diff --git a/.eslintignore b/.eslintignore
index 373bf7a871d..1430463fea6 100644
--- a/.eslintignore
+++ b/.eslintignore
@@ -1,21 +1,28 @@
-*_compressed*.js
-*_uncompressed*.js
-gulpfile.js
+# Build Artifacts
 /msg/*
+/build/*
 /dist/*
-/core/utils/global.js
+/typings/*
+/docs/*
+
+# Tests other than mocha unit tests
 /tests/blocks/*
 /tests/themes/*
 /tests/compile/*
 /tests/jsunit/*
 /tests/generators/*
-/tests/mocha/run_mocha_tests_in_browser.js
+/tests/mocha/webdriver.js
 /tests/screenshot/*
 /tests/test_runner.js
 /tests/workspace_svg/*
+
+# Demos, scripts, misc
+/node_modules/*
 /generators/*
 /demos/*
 /appengine/*
 /externs/*
 /closure/*
 /scripts/gulpfiles/*
+CHANGELOG.md
+PULL_REQUEST_TEMPLATE.md
\ No newline at end of file
diff --git a/.eslintrc.js b/.eslintrc.js
new file mode 100644
index 00000000000..14d27ca1af9
--- /dev/null
+++ b/.eslintrc.js
@@ -0,0 +1,187 @@
+const rules = {
+  'no-unused-vars': [
+    'error',
+    {
+      'args': 'after-used',
+      // Ignore vars starting with an underscore.
+      'varsIgnorePattern': '^_',
+      // Ignore arguments starting with an underscore.
+      'argsIgnorePattern': '^_',
+    },
+  ],
+  // Blockly uses for exporting symbols. no-self-assign added in eslint 5.
+  'no-self-assign': ['off'],
+  // Blockly uses single quotes except for JSON blobs, which must use double
+  // quotes.
+  'quotes': ['off'],
+  // Blockly uses 'use strict' in files.
+  'strict': ['off'],
+  // Closure style allows redeclarations.
+  'no-redeclare': ['off'],
+  'valid-jsdoc': ['error'],
+  'no-console': ['off'],
+  'spaced-comment': [
+    'error',
+    'always',
+    {
+      'block': {
+        'balanced': true,
+      },
+      'exceptions': ['*'],
+    },
+  ],
+  // Blockly uses prefixes for optional arguments and test-only functions.
+  'camelcase': [
+    'error',
+    {
+      'properties': 'never',
+      'allow': ['^opt_', '^_opt_', '^testOnly_'],
+    },
+  ],
+  // Blockly uses capital letters for some non-constructor namespaces.
+  // Keep them for legacy reasons.
+  'new-cap': ['off'],
+  // Blockly uses objects as maps, but uses Object.create(null) to
+  // instantiate them.
+  'guard-for-in': ['off'],
+  'prefer-spread': ['off'],
+};
+
+/**
+ * Build shared settings for TS linting and add in the config differences.
+ * @return {Object} The override TS linting for given files and a given
+ *     tsconfig.
+ */
+function buildTSOverride({files, tsconfig}) {
+  return {
+    'files': files,
+    'plugins': ['@typescript-eslint/eslint-plugin', 'jsdoc'],
+    'settings': {
+      'jsdoc': {
+        'mode': 'typescript',
+      },
+    },
+    'parser': '@typescript-eslint/parser',
+    'parserOptions': {
+      'project': tsconfig,
+      'tsconfigRootDir': '.',
+      'ecmaVersion': 2020,
+      'sourceType': 'module',
+    },
+    'extends': [
+      'plugin:@typescript-eslint/recommended',
+      'plugin:jsdoc/recommended',
+      'prettier', // Extend again so that these rules are applied last
+    ],
+    'rules': {
+      // TS rules
+      // Blockly uses namespaces to do declaration merging in some cases.
+      '@typescript-eslint/no-namespace': ['off'],
+      // Use the updated TypeScript-specific rule.
+      'no-invalid-this': ['off'],
+      '@typescript-eslint/no-invalid-this': ['error'],
+      // Needs decision. 601 problems.
+      '@typescript-eslint/no-non-null-assertion': ['off'],
+      // Use TS-specific rule.
+      'no-unused-vars': ['off'],
+      '@typescript-eslint/no-unused-vars': [
+        'error',
+        {
+          'argsIgnorePattern': '^_',
+          'varsIgnorePattern': '^_',
+        },
+      ],
+      // Temporarily disable. 23 problems.
+      '@typescript-eslint/no-explicit-any': ['off'],
+      // Temporarily disable. 128 problems.
+      'require-jsdoc': ['off'],
+      // Temporarily disable. 55 problems.
+      '@typescript-eslint/ban-types': ['off'],
+      // Temporarily disable. 33 problems.
+      '@typescript-eslint/no-empty-function': ['off'],
+      // Temporarily disable. 3 problems.
+      '@typescript-eslint/no-empty-interface': ['off'],
+
+      // TsDoc rules (using JsDoc plugin)
+      // Disable built-in jsdoc verifier.
+      'valid-jsdoc': ['off'],
+      // Don't require types in params and returns docs.
+      'jsdoc/require-param-type': ['off'],
+      'jsdoc/require-returns-type': ['off'],
+      // params and returns docs are optional.
+      'jsdoc/require-param-description': ['off'],
+      'jsdoc/require-returns': ['off'],
+      // Disable for now (breaks on `this` which is not really a param).
+      'jsdoc/require-param': ['off'],
+      // Don't auto-add missing jsdoc. Only required on exported items.
+      'jsdoc/require-jsdoc': [
+        'warn',
+        {
+          'enableFixer': false,
+          'publicOnly': true,
+        },
+      ],
+      'jsdoc/check-tag-names': [
+        'error',
+        {
+          'definedTags': [
+            'sealed',
+            'typeParam',
+            'remarks',
+            'define',
+            'nocollapse',
+            'suppress',
+          ],
+        },
+      ],
+      // Re-enable after Closure is removed. There shouldn't even be
+      // types in the TsDoc.
+      // These are "types" because of Closure's @suppress {warningName}
+      'jsdoc/no-undefined-types': ['off'],
+      'jsdoc/valid-types': ['off'],
+      // Disabled due to not handling `this`. If re-enabled,
+      // checkDestructured option
+      // should be left as false.
+      'jsdoc/check-param-names': ['off', {'checkDestructured': false}],
+      // Allow any text in the license tag. Other checks are not relevant.
+      'jsdoc/check-values': ['off'],
+      // Ensure there is a blank line between the body and any @tags,
+      // as required by the tsdoc spec (see #6353).
+      'jsdoc/tag-lines': ['error', 'any', {'startLines': 1}],
+    },
+  };
+}
+
+// NOTE: When this output is put directly in `module.exports`, the formatter
+// does not align with the linter.
+const eslintJSON = {
+  'rules': rules,
+  'env': {
+    'es2020': true,
+    'browser': true,
+  },
+  'globals': {
+    'goog': true,
+    'exports': true,
+  },
+  'extends': ['eslint:recommended', 'google', 'prettier'],
+  // TypeScript-specific config. Uses above rules plus these.
+  'overrides': [
+    buildTSOverride({
+      files: ['./**/*.ts', './**/*.tsx'],
+      tsconfig: './tsconfig.json',
+    }),
+    buildTSOverride({
+      files: ['./tests/typescript/**/*.ts', './tests/typescript/**/*.tsx'],
+      tsconfig: './tests/typescript/tsconfig.json',
+    }),
+    {
+      'files': ['./.eslintrc.js'],
+      'env': {
+        'node': true,
+      },
+    },
+  ],
+};
+
+module.exports = eslintJSON;
diff --git a/.eslintrc.json b/.eslintrc.json
deleted file mode 100644
index 2cfe544cd27..00000000000
--- a/.eslintrc.json
+++ /dev/null
@@ -1,89 +0,0 @@
-{
-    "rules": {
-        "curly": ["error"],
-        "eol-last": ["error"],
-        // Blockly/Google use 2-space indents.
-        // Blockly/Google uses +4 space indents for line continuations.
-        // Ignore default rules for ternary expressions.
-        "indent": [
-            "error", 2,
-            {
-                "SwitchCase": 1,
-                "MemberExpression": 2,
-                "ObjectExpression": 1,
-                "FunctionDeclaration": {
-                    "body": 1,
-                    "parameters": 2
-                },
-                "FunctionExpression": {
-                    "body": 1,
-                    "parameters": 2
-                },
-                "CallExpression": {
-                    "arguments": 2
-                },
-                "ignoredNodes": ["ConditionalExpression"]
-            }
-        ],
-        "keyword-spacing": ["error"],
-        "linebreak-style": ["error", "unix"],
-        "max-len": [
-            "error",
-            {
-                "code": 100,
-                "tabWidth": 4,
-                "ignoreStrings": true,
-                "ignoreRegExpLiterals": true,
-                "ignoreUrls": true
-            }
-        ],
-        "no-trailing-spaces": ["error", { "skipBlankLines": true }],
-        "no-unused-vars": [
-            "error",
-            {
-                "args": "after-used",
-                // Ignore vars starting with an underscore.
-                "varsIgnorePattern": "^_",
-                // Ignore arguments starting with an underscore.
-                "argsIgnorePattern": "^_"
-            }
-        ],
-        "no-use-before-define": ["error"],
-        // Blockly uses for exporting symbols. no-self-assign added in eslint 5.
-        "no-self-assign": ["off"],
-        // Blockly uses single quotes except for JSON blobs, which must use double quotes.
-        "quotes": ["off"],
-        "semi": ["error", "always"],
-        // Blockly doesn't have space before function paren when defining functions.
-        "space-before-function-paren": ["error", "never"],
-        // Blockly doesn't have space before function paren when calling functions.
-        "func-call-spacing": ["error", "never"],
-        "space-infix-ops": ["error"],
-        // Blockly uses 'use strict' in files.
-        "strict": ["off"],
-        // Closure style allows redeclarations.
-        "no-redeclare": ["off"],
-        "valid-jsdoc": ["error", {"requireReturn": false}],
-        "no-console": ["off"],
-        "no-multi-spaces": ["error", { "ignoreEOLComments": true }],
-        "operator-linebreak": ["error", "after"],
-        "spaced-comment": ["error", "always", {
-            "block": {
-                "balanced": true
-            },
-            "exceptions": ["*"]
-        }],
-        "es5/no-es6-methods": ["warn"]
-    },
-    "env": {
-        "browser": true
-    },
-    "globals": {
-        "Blockly": true,
-        "goog": true
-    },
-    "extends": [
-        "eslint:recommended",
-        "plugin:es5/no-es2015"
-    ]
-}
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 00000000000..176a458f94e
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+* text=auto
diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
new file mode 100644
index 00000000000..d52d27df155
--- /dev/null
+++ b/.github/CODEOWNERS
@@ -0,0 +1 @@
+* @google/blockly-eng
\ No newline at end of file
diff --git a/.github/CONTRIBUTING.md b/.github/CONTRIBUTING.md
index fcd866043f5..634b59bfad4 100644
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@@ -1,6 +1,7 @@
 # Contributing to Blockly
 
 Want to contribute? Great!
+
 - First, read this page (including the small print at the end).
 - Second, please make pull requests against develop, not master. If your patch
   needs to go into master immediately, include a note in your PR.
@@ -8,6 +9,7 @@ Want to contribute? Great!
 For more information on style guide and other details, head over to the [Blockly Developers site](https://developers.google.com/blockly/guides/modify/contributing).
 
 ### Before you contribute
+
 Before we can use your code, you must sign the
 [Google Individual Contributor License Agreement](https://cla.developers.google.com/about/google-individual)
 (CLA), which you can do online. The CLA is necessary mainly because you own the
@@ -19,22 +21,26 @@ the CLA until after you've submitted your code for review and a member has
 approved it, but you must do it before we can put your code into our codebase.
 
 ### Larger changes
+
 Before you start working on a larger contribution, you should get in touch with
 us first through the issue tracker with your idea so that we can help out and
 possibly guide you. Coordinating up front makes it much easier to avoid
 frustration later on.
 
 ### Code reviews
+
 All submissions, including submissions by project members, require review. We
 use Github pull requests for this purpose.
 
 ### Browser compatibility
-We care strongly about making Blockly work on all browsers.  As of 2017 we 
-support IE 10 and 11, Edge, Chrome, Safari, and Firefox.  We will not accept
-changes that only work on a subset of those browsers.  You can check [caniuse.com](https://caniuse.com/) 
+
+We care strongly about making Blockly work on all browsers. As of 2022 we
+support Edge, Chrome, Safari, and Firefox. We will not accept changes that only
+work on a subset of those browsers. You can check [caniuse.com](https://caniuse.com/)
 for compatibility information.
 
 ### The small print
+
 Contributions made by corporations are covered by a different agreement than
 the one above, the
 [Software Grant and Corporate Contributor License Agreement](https://cla.developers.google.com/about/google-corporate).
diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
deleted file mode 100644
index bf67c2781ba..00000000000
--- a/.github/ISSUE_TEMPLATE/bug_report.md
+++ /dev/null
@@ -1,65 +0,0 @@
----
-name: Bug Report
-about: Create a report to help us improve
-labels: 'type: bug, triage'
-assignees: ''
-
----
-
-<!--
-  - Thanks for opening an issue for us!  Before you open an issue,
-  - please check if a similar issue exists or has been closed before.
-  -
-  - If you're asking a question about how to use Blockly in your application,
-  - please ask questions on the mailing list, instead of filing issues:
-  -       https://groups.google.com/forum/#!forum/blockly
-  -->
-
-**Describe the bug**
-
-<!-- A clear and concise description of what the bug is. -->
-
-**To Reproduce**
-
-<!-- Explain what someone needs to do in order to see what's described above -->
-Steps to reproduce the behavior:
-1. Go to '...'
-2. Click on '....'
-3. Scroll down to '....'
-4. See error
-
-**Expected behavior**
-
-<!-- A clear and concise description of what you expected to happen. -->
-
-**Screenshots**
-
-<!-- If applicable, add screenshots to help explain your problem. -->
-
-**Desktop (please complete the following information):**
- - OS: [e.g. iOS]
- - Browser [e.g. chrome, safari]
- - Version [e.g. 22]
-
-**Smartphone (please complete the following information):**
- - Device: [e.g. iPhone6]
- - OS: [e.g. iOS8.1]
- - Browser [e.g. stock browser, safari]
- - Version [e.g. 22]
-
-**Stack Traces**
-
-<!-- Please open up the console.  If you see any Blockly-related errors,
-  -        paste them between the quotes below.
-  -
-  - Ignore any instances of...
-  - "Uncaught (in promise) DOMException: The play() request was interrupted by a call to pause()."
-  -->
-
-```
-Replace with error stack trace.
-```
-
-**Additional context**
-
-<!-- Add any other context about the problem here. -->
diff --git a/.github/ISSUE_TEMPLATE/bug_report.yaml b/.github/ISSUE_TEMPLATE/bug_report.yaml
new file mode 100644
index 00000000000..d346d87afe1
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/bug_report.yaml
@@ -0,0 +1,58 @@
+name: Report a bug 🐛
+description: Report bugs in Blockly, so we can fix them.
+labels: 'issue: bug, issue: triage'
+body:
+  - type: markdown
+    attributes:
+      value: >
+        Thank you for taking the time to fill out a bug report!
+        If you have a question about how to use Blockly in your application,
+        please ask on the [forum](https://groups.google.com/forum/#!forum/blockly) instead of filing an issue.
+  - type: checkboxes
+    id: duplicates
+    attributes:
+      label: Check for duplicates
+      options:
+        - label: I have searched for similar issues before opening a new one.
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: Please provide a clear and concise description of the bug.
+      placeholder: What happened? What did you expect to happen?
+    validations:
+      required: true
+  - type: textarea
+    id: repro
+    attributes:
+      label: Reproduction steps
+      description: What steps should we take to reproduce the issue?
+      value: |
+        1. 
+        2. 
+        3.
+  - type: textarea
+    id: stack-trace
+    attributes:
+      label: Stack trace
+      description: If you saw an error message or stack trace, please include it here.
+      placeholder: The text in this section will be formatted automatically; no need to include backticks.
+      render: shell
+  - type: textarea
+    id: screenshots
+    attributes:
+      label: Screenshots
+      description: Screenshots can help us see the behavior you're describing. Please add a screenshot or gif, especially if you are describing a rendering or visual bug.
+      placeholder: Paste or drag-and-drop an image to upload it.
+  - type: dropdown
+    id: browsers
+    attributes:
+      label: Browsers
+      description: Please select all browsers you've observed this behavior on. If the bug isn't browser-specific, you can leave this blank.
+      multiple: true
+      options:
+        - Chrome desktop
+        - Safari desktop
+        - Firefox desktop
+        - Android mobile
+        - iOS mobile
diff --git a/.github/ISSUE_TEMPLATE/config.yml b/.github/ISSUE_TEMPLATE/config.yml
index 17ed2a34d18..aa4bd749d99 100644
--- a/.github/ISSUE_TEMPLATE/config.yml
+++ b/.github/ISSUE_TEMPLATE/config.yml
@@ -1,7 +1,7 @@
 contact_links:
-  - name: Blockly Forum
+  - name: Ask a question ❓
     url: https://groups.google.com/forum/#!forum/blockly
-    about: The Blockly developer forum, where you can ask and answer questions.
-  - name: Plugins and examples
+    about: Go to the Blockly developer forum, where you can ask and answer questions.
+  - name: Report issues with plugins and examples 🧩
     url: https://github.com/google/blockly-samples/issues/new/choose
     about: File bugs or feature requests about plugins and samples in our blockly-samples repository.
diff --git a/.github/ISSUE_TEMPLATE/documentation.md b/.github/ISSUE_TEMPLATE/documentation.md
deleted file mode 100644
index 56ea9fb6488..00000000000
--- a/.github/ISSUE_TEMPLATE/documentation.md
+++ /dev/null
@@ -1,44 +0,0 @@
----
-name: Documentation
-about: Report an issue with our documentation
-labels: 'type: documentation, triage'
-assignees: ''
-
----
-
-<!--
-  - Thanks for helping us improve our developer site documentation!
-  - Use this template to describe issues with the content at
-  - developers.google.com/blockly/guides
-  -->
-
-**Where**
-
-<!-- A link to the page with the documentation you want us to update.
-  -  More specific is better.  If no page exists, describe what the page
-  -  should be, and where.
-  -->
-
-**What**
-
-<!-- What kind of content is it? 
-  -  Check a box with an 'x' between the brackets: [x] 
-  -->
-  
-- [ ] Text
-- [ ] Image or Gif
-- [ ] Other
-
-**Old content**
-
-<!-- What the documentation currently says -->
-
-**Suggested content**
-
-<!-- Your suggestion for improved documentation -->
-
-**Additional context**
-
-<!-- Add any other context about the problem here. 
-  -  If this is related to a specific pull request, link to it.
-  -->
diff --git a/.github/ISSUE_TEMPLATE/documentation.yaml b/.github/ISSUE_TEMPLATE/documentation.yaml
new file mode 100644
index 00000000000..e3a5b118821
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/documentation.yaml
@@ -0,0 +1,38 @@
+name: Report a documentation problem 📖
+description: Could our documentation be better? Tell us how.
+labels: 'issue: docs, issue: triage'
+body:
+  - type: markdown
+    attributes:
+      value: >
+        Thanks for helping us improve our developer site documentation!
+        Use this template to describe issues with the content on our
+        [developer site](https://developers.google.com/blockly/guides).
+  - type: input
+    id: link
+    attributes:
+      label: Location
+      description: >
+        A link to the page with the documentation you want us to be updated.
+        If no page exists, describe what the page should be, and where.
+  - type: checkboxes
+    id: type
+    attributes:
+      label: Type
+      description: What kind of content is it?
+      options:
+        - label: Text
+        - label: Image or Gif
+        - label: Other
+  - type: textarea
+    id: content
+    attributes:
+      label: Suggested content
+      description: Your suggestion for improved documentation. If it's helpful, also include the old content for comparison.
+    validations:
+      required: true
+  - type: textarea
+    id: context
+    attributes:
+      label: Additional context
+      description: Add any other context about the problem. If this is related to a specific pull request, link to it.
diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md
deleted file mode 100644
index 5b85b635c6e..00000000000
--- a/.github/ISSUE_TEMPLATE/feature_request.md
+++ /dev/null
@@ -1,23 +0,0 @@
----
-name: Feature request
-about: Suggest an idea for this project
-labels: 'type: feature request, triage'
-assignees: ''
-
----
-
-**Is your feature request related to a problem? Please describe.**
-
-<!-- A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] -->
-
-**Describe the solution you'd like**
-
-<!-- A clear and concise description of what you want to happen. -->
-
-**Describe alternatives you've considered**
-
-<!-- A clear and concise description of any alternative solutions or features you've considered. -->
-
-**Additional context**
-
-<!-- Add any other context or screenshots about the feature request here. -->
diff --git a/.github/ISSUE_TEMPLATE/feature_request.yaml b/.github/ISSUE_TEMPLATE/feature_request.yaml
new file mode 100644
index 00000000000..04c3fdef6e2
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/feature_request.yaml
@@ -0,0 +1,39 @@
+name: Make a feature request ✨
+description: Suggest an idea to make Blockly better.
+labels: 'issue: feature request, issue: triage'
+body:
+  - type: markdown
+    attributes:
+      value: >
+        Thank you for taking the time to fill out a feature request!
+        If you have a question about how to use Blockly in your application,
+        please ask on the [forum](https://groups.google.com/forum/#!forum/blockly) instead of filing an issue.
+  - type: checkboxes
+    id: duplicates
+    attributes:
+      label: Check for duplicates
+      options:
+        - label: I have searched for similar issues before opening a new one.
+  - type: textarea
+    id: problem
+    attributes:
+      label: Problem
+      description: Is your feature request related to a problem? Please describe.
+      placeholder: I'm always frustrated when...
+  - type: textarea
+    id: request
+    attributes:
+      label: Request
+      description: Describe your feature request and how it solves your problem.
+    validations:
+      required: true
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternatives considered
+      description: Describe any alternative solutions or features you've considered.
+  - type: textarea
+    id: context
+    attributes:
+      label: Additional context
+      description: Add any other context or screenshots about the feature request here.
diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 211fff419a3..6a62a4d9d92 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -7,14 +7,13 @@
 
 <!-- TODO: Verify the following, checking each box with an 'x' between the brackets: [x] -->
 
-- [ ] I branched from develop
-- [ ] My pull request is against develop
-- [ ] My code follows the [style guide](https://developers.google.com/blockly/guides/modify/web/style-guide)
+- [ ] I [validated my changes](https://developers.google.com/blockly/guides/contribute/core#making_and_verifying_a_change)
 
 ## The details
 ### Resolves
 
 <!-- TODO: What Github issue does this resolve? Please include a link. -->
+Fixes 
 
 ### Proposed Changes
 
@@ -26,27 +25,11 @@
 
 ### Test Coverage
 
-<!-- TODO: Please show how you have added tests to cover your changes,
-  -        or tell us how you tested it. For each systems you tested,
-  -        uncomment the systems in the list below.
-  -->
-
-Tested on:
-<!-- * Desktop Chrome -->
-<!-- * Desktop Firefox -->
-<!-- * Desktop Safari -->
-<!-- * Desktop Opera -->
-<!-- * Windows Internet Explorer 10 -->
-<!-- * Windows Internet Explorer 11 -->
-<!-- * Windows Edge -->
-
-<!--
-* Smartphone/Tablet/Chromebook (please complete the following information):
-  * Device: [e.g. iPhone6]
-  * OS: [e.g. iOS8.1]
-  * Browser [e.g. stock browser, safari]
-  * Version [e.g. 22]
--->
+<!-- TODO: Please create unit tests, and explain here how they cover
+           your changes, or tell us how you tested it manually. If
+           your changes include browser-specific behaviour, include
+           information about the browser and device that you used for
+           testing. -->
 
 ### Documentation
 
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 3ae6170df4e..42f0d297aea 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -5,8 +5,23 @@
 
 version: 2
 updates:
-  - package-ecosystem: "npm" # See documentation for possible values
-    directory: "/" # Location of package manifests
-    target-branch: "develop"
+  - package-ecosystem: 'npm' # See documentation for possible values
+    directory: '/' # Location of package manifests
+    target-branch: 'develop'
     schedule:
-      interval: "weekly"
+      interval: 'weekly'
+    commit-message:
+      prefix: 'chore(deps)'
+    labels:
+      - 'PR: chore'
+      - 'PR: dependencies'
+  - package-ecosystem: 'github-actions' # See documentation for possible values
+    directory: '/'
+    target-branch: 'develop'
+    schedule:
+      interval: 'weekly'
+    commit-message:
+      prefix: 'chore(deps)'
+    labels:
+      - 'PR: chore'
+      - 'PR: dependencies'
diff --git a/.github/release.yml b/.github/release.yml
new file mode 100644
index 00000000000..a6b8dc3ef36
--- /dev/null
+++ b/.github/release.yml
@@ -0,0 +1,32 @@
+# release.yml
+
+changelog:
+  exclude:
+    labels:
+      - ignore-for-release
+      - 'PR: chore'
+    authors:
+      - dependabot
+  categories:
+    - title: Breaking changes 🛠
+      labels:
+        - breaking change
+    - title: Deprecations 🧹 - APIs that may be removed in future releases
+      labels:
+        - deprecation
+    - title: New features ✨
+      labels:
+        - 'PR: feature'
+    - title: Bug fixes 🐛
+      labels:
+        - 'PR: fix'
+    - title: Cleanup ♻️
+      labels:
+        - 'PR: docs'
+        - 'PR: refactor'
+    - title: Reverted changes ⎌
+      labels:
+        - 'PR: revert'
+    - title: Other changes
+      labels:
+        - '*'
diff --git a/.github/workflows/appengine_deploy.yml b/.github/workflows/appengine_deploy.yml
new file mode 100644
index 00000000000..f7098d53a7e
--- /dev/null
+++ b/.github/workflows/appengine_deploy.yml
@@ -0,0 +1,54 @@
+# Workflow that prepares files and deploys to appengine
+
+name: Deploy to App Engine
+
+# Controls when the workflow will run
+on:
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  prepare:
+    name: Prepare
+    runs-on: ubuntu-latest
+
+    steps:
+      # Checks-out the repository under $GITHUB_WORKSPACE.
+      # When running manually this checks out the master branch.
+      - uses: actions/checkout@v4
+
+      - name: Prepare demo files
+        # Install all dependencies, then copy all the files needed for demos.
+        run: |
+          npm install
+          npm run prepareDemos
+
+      - name: Upload
+        uses: actions/upload-artifact@v4
+        with:
+          name: appengine_files
+          path: _deploy/
+
+  deploy:
+    name: Deploy
+    runs-on: ubuntu-latest
+    # The prepare step must succeed for this step to run.
+    needs: prepare
+    steps:
+      - name: Download prepared files
+        uses: actions/download-artifact@v4
+        with:
+          name: appengine_files
+          path: _deploy/
+
+      - name: Deploy to App Engine
+        uses: google-github-actions/deploy-appengine@v2.1.0
+        # For parameters see:
+        # https://github.com/google-github-actions/deploy-appengine#inputs
+        with:
+          working_directory: _deploy/
+          deliverables: app.yaml
+          project_id: ${{ secrets.GCP_PROJECT }}
+          credentials: ${{ secrets.GCP_SA_KEY }}
+          promote: false
+          version: vtest
diff --git a/.github/workflows/assign_reviewers.yml b/.github/workflows/assign_reviewers.yml
new file mode 100644
index 00000000000..33bd9e778a9
--- /dev/null
+++ b/.github/workflows/assign_reviewers.yml
@@ -0,0 +1,41 @@
+name: Assign requested reviewers
+
+# This workflow adds requested reviewers as assignees. If you remove a
+# requested reviewer, it will not remove them as an assignee.
+#
+# See https://github.com/google/blockly/issues/5643 for more
+# information on why this was added.
+#
+# N.B.: Runs with a read-write repo token.  Do not check out the
+# submitted branch!
+on:
+  pull_request_target:
+    types: [review_requested]
+
+jobs:
+  requested-reviewer:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Assign requested reviewer
+        uses: actions/github-script@v7
+        with:
+          script: |
+            try {
+              if (context.payload.pull_request === undefined) {
+              throw new Error("Can't get pull_request payload. " +
+                              'Check a request reviewer event was triggered.');
+              }
+              const reviewers = context.payload.pull_request.requested_reviewers;
+              // Assignees takes in a list of logins rather than the
+              // reviewer object.
+              const reviewerNames = reviewers.map(reviewer => reviewer.login);
+              const {number:issue_number} = context.payload.pull_request;
+              github.rest.issues.addAssignees({
+                owner: context.repo.owner,
+                repo: context.repo.repo,
+                issue_number: issue_number,
+                assignees: reviewerNames
+              });
+            } catch (error) {
+              core.setFailed(error.message);
+            }
diff --git a/.github/workflows/browser_test.yml b/.github/workflows/browser_test.yml
new file mode 100644
index 00000000000..3675af7b042
--- /dev/null
+++ b/.github/workflows/browser_test.yml
@@ -0,0 +1,55 @@
+# This workflow will do a clean install, start the selenium server, and run
+# all of our browser based tests
+
+name: Run browser manually
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    timeout-minutes: 10
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        # TODO (#2114): re-enable osx build.
+        # os: [ubuntu-latest, macos-latest]
+        os: [macos-latest]
+        node-version: [18.x, 20.x]
+        # See supported Node.js release schedule at
+        # https://nodejs.org/en/about/releases/
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Reconfigure git to use HTTP authentication
+        run: >
+          git config --global url."https://github.com/".insteadOf
+          ssh://git@github.com/
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Npm Install
+        run: npm install
+
+      - name: Linux Test Setup
+        if: runner.os == 'Linux'
+        run: source ./tests/scripts/setup_linux_env.sh
+
+      - name: Run Build
+        run: npm run build
+
+      - name: Run Test
+        run: npm run test:browser
+
+        env:
+          CI: true
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 00000000000..ad62722e1f7
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,85 @@
+# This workflow will do a clean install, start the selenium server, and run
+# all of our tests.
+
+name: Node.js CI
+
+on: [pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    timeout-minutes: 10
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        # TODO (#2114): re-enable osx build.
+        # os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest]
+        node-version: [18.x, 20.x]
+        # See supported Node.js release schedule at
+        # https://nodejs.org/en/about/releases/
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Reconfigure git to use HTTP authentication
+        run: >
+          git config --global url."https://github.com/".insteadOf
+          ssh://git@github.com/
+
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Npm Install
+        run: npm install
+
+      - name: Linux Test Setup
+        if: runner.os == 'Linux'
+        run: source ./tests/scripts/setup_linux_env.sh
+
+      - name: Run
+        run: npm run test
+
+        env:
+          CI: true
+
+  lint:
+    timeout-minutes: 5
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Use Node.js 20.x
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+
+      - name: Npm Install
+        run: npm install
+
+      - name: Lint
+        run: npm run lint
+
+  format:
+    timeout-minutes: 5
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Use Node.js 20.x
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+
+      - name: Npm Install
+        run: npm install
+
+      - name: Check Format
+        run: npm run format:check
diff --git a/.github/workflows/conventional-label.yml b/.github/workflows/conventional-label.yml
new file mode 100644
index 00000000000..64289d98723
--- /dev/null
+++ b/.github/workflows/conventional-label.yml
@@ -0,0 +1,17 @@
+on:
+  pull_request_target:
+    types:
+      - opened
+      - edited
+name: conventional-release-labels
+jobs:
+  label:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: bcoe/conventional-release-labels@v1
+        with:
+          type_labels:
+            '{"feat": "PR: feature", "fix": "PR: fix", "breaking": "breaking
+            change", "chore": "PR: chore", "docs": "PR: docs", "refactor": "PR:
+            refactor", "revert": "PR: revert", "deprecate": "deprecation"}'
+          ignored_types: '[]'
diff --git a/.github/workflows/develop_freeze.yml b/.github/workflows/develop_freeze.yml
new file mode 100644
index 00000000000..395a34434dd
--- /dev/null
+++ b/.github/workflows/develop_freeze.yml
@@ -0,0 +1,26 @@
+# This workflow will comment on pull requests that are submitted while develop
+# is frozen during the week of release. Skips any pull requests that have the
+# label 'ignore-freeze'.
+# This workflow should be enabled only while develop is frozen.
+
+name: Develop Freeze PR Comment
+
+on:
+  # Trigger the workflow on pull request on develop branch
+  pull_request:
+    types:
+      - opened
+      - reopened
+    branches:
+      - develop
+
+jobs:
+  freeze-comment:
+    if: ${{ !contains(github.event.pull_request.labels.*.name, 'ignore-freeze') }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: PR Comment
+        uses: github-actions-up-and-running/pr-comment@f1f8ab2bf00dce6880a369ce08758a60c61d6c0b
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          message: 'Thanks for the PR! The develop branch is currently frozen in preparation for the release so it may not be addressed until after release week.'
diff --git a/.github/workflows/tag_module_cleanup.yml b/.github/workflows/tag_module_cleanup.yml
new file mode 100644
index 00000000000..d83d0e9371a
--- /dev/null
+++ b/.github/workflows/tag_module_cleanup.yml
@@ -0,0 +1,37 @@
+# For new pull requests against the goog_module branch, adds the 'type: cleanup'
+# label and sets the milestone to q3 2021 release.
+
+name: Tag module cleanup
+
+# Trigger on pull requests against goog_module branch only
+# Uses pull_request_target to get write permissions so that it can write labels.
+on:
+  pull_request_target:
+    branches:
+      - goog_module
+
+jobs:
+  tag-module-cleanup:
+    # Add the type: cleanup label
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/github-script@v7
+        with:
+          script: |
+            // Note that pull requests are considered issues and "shared"
+            // actions for both features, like manipulating labels and
+            // milestones are provided within the issues API.
+            await github.issues.update({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.issue.number,
+              // 2021 q3 release milestone.
+              // https://github.com/google/blockly/milestone/18
+              milestone: 18
+            })
+            await github.issues.addLabels({
+              owner: context.repo.owner,
+              repo: context.repo.repo,
+              issue_number: context.issue.number,
+              labels: ['type: cleanup']
+            })
diff --git a/.github/workflows/welcome_new_contributors.yml b/.github/workflows/welcome_new_contributors.yml
new file mode 100644
index 00000000000..37ca9ef89df
--- /dev/null
+++ b/.github/workflows/welcome_new_contributors.yml
@@ -0,0 +1,36 @@
+on:
+  pull_request_target:
+    types:
+      - opened
+name: Welcome new contributors
+jobs:
+  welcome:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+    steps:
+      - uses: actions/first-interaction@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          pr-message: >
+            Welcome! It looks like this is your first pull request in Blockly,
+            so here are a couple of tips:
+
+            - You can find tips about contributing to Blockly and how to
+            validate your changes on our
+            [developer site](https://developers.google.com/blockly/guides/contribute/core#making_and_verifying_a_change).
+
+            - All contributors must sign the Google Contributor License
+            Agreement (CLA). If the google-cla bot leaves a comment on this
+            PR, make sure you follow the instructions.
+
+            - We use conventional commits to make versioning the package easier. Make sure your commit
+            message is in the [proper format](https://developers.google.com/blockly/guides/contribute/get-started/commits)
+            or [learn how to fix it](https://developers.google.com/blockly/guides/contribute/get-started/commits#fixing_non-conventional_commits).
+
+            - If any of the other checks on this PR fail, you can click on
+            them to learn why. It might be that your change caused a test
+            failure, or that you need to double-check the
+            [style guide](https://developers.google.com/blockly/guides/contribute/core/style_guide).
+
+            Thank you for opening this PR! A member of the Blockly team will review it soon.
diff --git a/.gitignore b/.gitignore
index 1e7a1e198b1..3c1938f17d9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@ build-debug.log
 *.pyc
 *.komodoproject
 /nbproject/private/
+tsdoc-metadata.json
 
 tests/compile/main_compressed.js
 tests/compile/main_compressed.js.map
@@ -16,5 +17,6 @@ tests/screenshot/outputs/*
 local_build/*compiler*.jar
 local_build/local_*_compressed.js
 chromedriver
-typings/tmp/*
+build/
 dist/
+temp/
diff --git a/.prettierignore b/.prettierignore
new file mode 100644
index 00000000000..9d52f19fe6a
--- /dev/null
+++ b/.prettierignore
@@ -0,0 +1,30 @@
+# Build Artifacts
+/msg/*
+/build/*
+/dist/*
+/typings/*
+/docs/*
+
+# Tests other than mocha unit tests
+/tests/blocks/*
+/tests/themes/*
+/tests/compile/*
+/tests/jsunit/*
+/tests/generators/*
+/tests/mocha/webdriver.js
+/tests/screenshot/*
+/tests/test_runner.js
+/tests/workspace_svg/*
+
+# Demos, scripts, misc
+/node_modules/*
+/demos/*
+/appengine/*
+/externs/*
+/closure/*
+/scripts/gulpfiles/*
+CHANGELOG.md
+PULL_REQUEST_TEMPLATE.md
+
+# Don't bother formatting JavaScript files we're about to migrate:
+/generators/**/*.js
diff --git a/.prettierrc.js b/.prettierrc.js
new file mode 100644
index 00000000000..bbfb466399d
--- /dev/null
+++ b/.prettierrc.js
@@ -0,0 +1,13 @@
+// This config attempts to match google-style code.
+
+module.exports = {
+  // Prefer single quotes, but minimize escaping.
+  singleQuote: true,
+  // Some properties must be quoted to preserve closure compiler behavior.
+  // Don't ever change whether properties are quoted.
+  quoteProps: 'preserve',
+  // Don't add spaces around braces for object literals.
+  bracketSpacing: false,
+  // Put HTML tag closing brackets on same line as last attribute.
+  bracketSameLine: true,
+};
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 8384ecd53b1..00000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-language: node_js
-os: linux
-dist: xenial
-node_js:
-  - 10
-  - 12
-  - 14
-addons:
-  chrome: stable
-  firefox: latest
-    # TODO (#2114): re-enable osx build.
-    # - os: osx
-    #   node_js: stable
-    #   osx_image: xcode8.3
-    #   addons:
-    #     firefox: latest
-env:
-  - TRAVIS_CI=true
-before_script:
-  - export DISPLAY=:99.0
-  - if [ "${TRAVIS_OS_NAME}" == "linux" ]; then ( tests/scripts/setup_linux_env.sh ) fi
-  - if [ "${TRAVIS_OS_NAME}" == "osx" ]; then ( tests/scripts/setup_osx_env.sh ) fi
-  - sleep 2
-script:
-  - npm run test:run
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 00000000000..cbe1c7ee290
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,77 @@
+# Changelog
+
+## [8.0.0](https://github.com/google/blockly/compare/blockly-v7.20211209.0...blockly-v8.0.0) (2022-03-31)
+
+
+### ⚠ BREAKING CHANGES
+
+* change paste to return the pasted thing to support keyboard nav (#5996)
+* **blocks:** ...and rename Blockly.blocks.all (blocks/all.js) to Blockly.libraryBlocks (blocks/blocks.js
+* * refactor(blocks): Make loopTypes a Set
+* allows previously internal constants to be configurable (#5897)
+* * refactor(blocks): Make loopTypes a Set
+* remove unused constants from internalConstants (#5889)
+
+### Features
+
+* add mocha failure messages to console output ([#5984](https://github.com/google/blockly/issues/5984)) ([7d250fa](https://github.com/google/blockly/commit/7d250fa9cfb30f95e7af523720b66c8b001df15c))
+* Allow developers to set a custom tooltip rendering function. ([#5956](https://github.com/google/blockly/issues/5956)) ([6841ccc](https://github.com/google/blockly/commit/6841ccc99fdbcc5f6d5a63bb36cb3b6ebd2be246))
+* **blocks:** Export block definitions ([#5908](https://github.com/google/blockly/issues/5908)) ([ffb8907](https://github.com/google/blockly/commit/ffb8907db8d0f11609c1fe14b2a450d3e639a871))
+* make mocha fail if it encounters 0 tests ([#5981](https://github.com/google/blockly/issues/5981)) ([0b2bf3a](https://github.com/google/blockly/commit/0b2bf3ae9d0c777f4d13d47692f5ae224dff1ec8))
+* **tests:** Add a test to validate `scripts/migration/renamings.js` ([#5980](https://github.com/google/blockly/issues/5980)) ([3c723f0](https://github.com/google/blockly/commit/3c723f0199b1f3b5eaac58f064b02d52b60d0ddb))
+* **tests:** Use official semver.org RegExp ([#5990](https://github.com/google/blockly/issues/5990)) ([afc4088](https://github.com/google/blockly/commit/afc4088ce278f97585f9ff5e65a921f7c4c65531))
+
+
+### Bug Fixes
+
+* Adds check for changedTouches ([#5869](https://github.com/google/blockly/issues/5869)) ([3f4f505](https://github.com/google/blockly/commit/3f4f5057919fdb4a329e9d2b15378c5c5831ae3b))
+* advanced playground and playground to work when hosted  ([#6021](https://github.com/google/blockly/issues/6021)) ([364bf14](https://github.com/google/blockly/commit/364bf14ce6932f426591e3f53c1d066771ddcb8e))
+* always rename caller to legal name ([#6014](https://github.com/google/blockly/issues/6014)) ([c430800](https://github.com/google/blockly/commit/c4308007bc4b58d51adf1fda7b51ffa9f1d3f093))
+* **blocks:** correct the callType_ of procedures_defreturn ([#5974](https://github.com/google/blockly/issues/5974)) ([b34db5b](https://github.com/google/blockly/commit/b34db5bd01f7b532ebabc80264ca9fc804a76c75))
+* **build:** Correctly handle deep export paths in UMD wrapper ([#5945](https://github.com/google/blockly/issues/5945)) ([71ab146](https://github.com/google/blockly/commit/71ab146bc21aef9bdd6b2385c1df5f51e3ff5b58))
+* bumping a block after duplicate breaking undo ([#5844](https://github.com/google/blockly/issues/5844)) ([5204569](https://github.com/google/blockly/commit/5204569cff58c1ead7c15165a1351fa6a2ba2ad3))
+* change getCandidate_ and showInsertionMarker_ to be more dynamic ([#5722](https://github.com/google/blockly/issues/5722)) ([68d8113](https://github.com/google/blockly/commit/68d81132b851d20884ee9da41719fa62cdfce0ee))
+* change paste to return the pasted thing to support keyboard nav ([#5996](https://github.com/google/blockly/issues/5996)) ([20f1475](https://github.com/google/blockly/commit/20f1475afc1abf4b5e600219c2981150fc621ba5))
+* Change the truthy tests of width and height in WorkspaceSvg.setCachedParentSvgSize to actual comparisons with null so that zero value can be saved into the cache ([#5997](https://github.com/google/blockly/issues/5997)) ([fec44d9](https://github.com/google/blockly/commit/fec44d917e4b8475beba28e4769a50982425e887))
+* comments not being restored when dragging ([#6011](https://github.com/google/blockly/issues/6011)) ([85ce3b8](https://github.com/google/blockly/commit/85ce3b82c6c32e8a2a1608c6d604262ea0e5c38d))
+* convert the common renderer to an ES6 class ([#5978](https://github.com/google/blockly/issues/5978)) ([c1004be](https://github.com/google/blockly/commit/c1004be1f24debe1df1566e6067cf2f6769d51aa))
+* convert the Workspace class to an ES6 class ([#5977](https://github.com/google/blockly/issues/5977)) ([e2eaebe](https://github.com/google/blockly/commit/e2eaebec47b08a83eb36d0d04cefa254d1c5d666))
+* custom block context menus ([#5976](https://github.com/google/blockly/issues/5976)) ([8058df2](https://github.com/google/blockly/commit/8058df2a71dcecdc1190ae1d6f5dcccfafc980e8))
+* Don't throw if drag surface is empty. ([#5695](https://github.com/google/blockly/issues/5695)) ([769a25f](https://github.com/google/blockly/commit/769a25f4badffd2409ce19535344c98f5d8b01c9))
+* export Blockly.Names.NameType and Blockly.Input.Align correctly ([#6030](https://github.com/google/blockly/issues/6030)) ([2c15d00](https://github.com/google/blockly/commit/2c15d002ababcba7f34c526c05f231735e3e0169))
+* Export loopTypes from Blockly.blocks.loops ([#5900](https://github.com/google/blockly/issues/5900)) ([4f74210](https://github.com/google/blockly/commit/4f74210e74ef0b06216ab0f288268192674d69c9))
+* Export loopTypes from Blockly.blocks.loops ([#5900](https://github.com/google/blockly/issues/5900)) ([74ef1cb](https://github.com/google/blockly/commit/74ef1cbf521f7c6447ea9672ddbfe861d2292e5f))
+* Fix bug where workspace comments could not be created. ([#6024](https://github.com/google/blockly/issues/6024)) ([2cf8eb8](https://github.com/google/blockly/commit/2cf8eb87dcb029ba152b63b01ee7e4df431d1bb6))
+* Fix downloading screenshots on the playground. ([#6025](https://github.com/google/blockly/issues/6025)) ([ca6e590](https://github.com/google/blockly/commit/ca6e590101d511a8d98a5c5438af32ff6749e020))
+* fix keycodes type ([#5805](https://github.com/google/blockly/issues/5805)) ([0a96543](https://github.com/google/blockly/commit/0a96543a1179636e4efeb3c654c075952aca0c9f))
+* Fixed the label closure on demo/blockfactory ([#5833](https://github.com/google/blockly/issues/5833)) ([e8ea2e9](https://github.com/google/blockly/commit/e8ea2e9902fb9f642459e7341c3d59e19f359fca))
+* **generators:** Fix an operator precedence issue in the math_number_property generators to remove extra parentheses ([#5685](https://github.com/google/blockly/issues/5685)) ([a31003f](https://github.com/google/blockly/commit/a31003fab964e529152389029ec3126a3802851b))
+* incorrect module for event data in renamings database ([#6012](https://github.com/google/blockly/issues/6012)) ([e502eaa](https://github.com/google/blockly/commit/e502eaa6e1c88b2bb34e9a87917a15098b81cfa3))
+* Move [@alias](https://github.com/alias) onto classes instead of constructors ([#6003](https://github.com/google/blockly/issues/6003)) ([1647a32](https://github.com/google/blockly/commit/1647a3299ac48b5924f987015d8f3c47593922af))
+* move test helpers from samples into core ([#5969](https://github.com/google/blockly/issues/5969)) ([2edd228](https://github.com/google/blockly/commit/2edd22811752f05e16c68d593e5d1b809e24ed25))
+* move the dropdown div to a namespace instead of a class with only static properties ([#5979](https://github.com/google/blockly/issues/5979)) ([543cb8e](https://github.com/google/blockly/commit/543cb8e1b1c1a7fca5a1629f42f71c9b18e1a255))
+* msg imports in type definitions ([#5858](https://github.com/google/blockly/issues/5858)) ([07a75de](https://github.com/google/blockly/commit/07a75dee8de13b6c5a02959325a0155d413d6712))
+* opening/closing the mutators ([#6000](https://github.com/google/blockly/issues/6000)) ([243fc52](https://github.com/google/blockly/commit/243fc52a96e1089aad89ff6b642c6605d8f71afd))
+* playground access to Blockly ([9e1cda8](https://github.com/google/blockly/commit/9e1cda8f45cea1707c5a228d5ce79b4cd81566f8))
+* playground test blocks, text area listeners, and show/hide buttons ([#6015](https://github.com/google/blockly/issues/6015)) ([7abf3de](https://github.com/google/blockly/commit/7abf3de910a35e1a6086a3243570627a41e73339))
+* procedure param edits breaking undo ([#5845](https://github.com/google/blockly/issues/5845)) ([8a71f87](https://github.com/google/blockly/commit/8a71f879504503f4aec1140fe653d93602c664df))
+* re-expose HSV_VALUE and HSV_SATURATION as settable properties on Blockly ([#5821](https://github.com/google/blockly/issues/5821)) ([0e5f3ce](https://github.com/google/blockly/commit/0e5f3ce6074fbbb2923e9a62bffefeae0a813be8))
+* re-expose HSV_VALUE and HSV_SATURATION as settable properties on Blockly ([#5821](https://github.com/google/blockly/issues/5821)) ([6fc3316](https://github.com/google/blockly/commit/6fc3316309534270106050f0e1fecb7a09b8e62c))
+* revert "Delete events should animate when played ([#5919](https://github.com/google/blockly/issues/5919))" ([#6031](https://github.com/google/blockly/issues/6031)) ([c4a25eb](https://github.com/google/blockly/commit/c4a25eb3c432b0e8a9a18aae42839d163a177c48))
+* revert converting test helpers to es modules ([#5982](https://github.com/google/blockly/issues/5982)) ([01d4597](https://github.com/google/blockly/commit/01d45972d4df8b5e4afa4a19d93defb8961fea57))
+* setting null for a font style on a theme ([#5831](https://github.com/google/blockly/issues/5831)) ([835fb02](https://github.com/google/blockly/commit/835fb02343df0a4b9dab7704a4b3d8be8e9a497c))
+* **tests:** Enable --debug for test:compile:advanced; fix some errors ([#5959](https://github.com/google/blockly/issues/5959)) ([88334be](https://github.com/google/blockly/commit/88334bea80aa26c08705f16aba5e79dd708158f9))
+* **tests:** Enable `--debug` for `test:compile:advanced`; fix some errors (and demote the rest to warnings) ([#5983](https://github.com/google/blockly/issues/5983)) ([e11b583](https://github.com/google/blockly/commit/e11b5834e5e4e8fe991be32afb08eafa7c8adffd))
+* TypeScript exporting of the serialization functions ([#5890](https://github.com/google/blockly/issues/5890)) ([5d7c890](https://github.com/google/blockly/commit/5d7c890243ba7d0501514ba48778715097ce5a3b))
+* undo/redo for auto disabling if-return blocks ([#6018](https://github.com/google/blockly/issues/6018)) ([c7a359a](https://github.com/google/blockly/commit/c7a359a8424287f139752573a27a8a6eb97cb7b3))
+* update the playground to load compressed when hosted ([#5835](https://github.com/google/blockly/issues/5835)) ([2adf326](https://github.com/google/blockly/commit/2adf326c230589800880faa9599eca2ecc94d283))
+* Update typings for q1 2022 release ([#6051](https://github.com/google/blockly/issues/6051)) ([69f3d4a](https://github.com/google/blockly/commit/69f3d4ae89ce16a558443dd0a772e35b62c096d3))
+* Use correct namespace for svgMath functions ([#5813](https://github.com/google/blockly/issues/5813)) ([b8cc983](https://github.com/google/blockly/commit/b8cc983324338b2cbd536425c93ff3e7d512751e))
+* Use correct namespace for svgMath functions ([#5813](https://github.com/google/blockly/issues/5813)) ([025bab6](https://github.com/google/blockly/commit/025bab656669f99ebdb8b95bea39ebae296f1495))
+
+
+### Code Refactoring
+
+* allows previously internal constants to be configurable ([#5897](https://github.com/google/blockly/issues/5897)) ([4b5733e](https://github.com/google/blockly/commit/4b5733e7c85f2e196719550a3cfdcbcbd61739df))
+* **blocks:** Rename Blockly.blocks.* modules to Blockly.libraryBlocks.* ([#5953](https://github.com/google/blockly/issues/5953)) ([5078dcb](https://github.com/google/blockly/commit/5078dcbc6d4d48422313732e87191b29569b5eed))
+* remove unused constants from internalConstants ([#5889](https://github.com/google/blockly/issues/5889)) ([f0b1077](https://github.com/google/blockly/commit/f0b10776eb0657a5446adcfc62ad13f419c14271))
diff --git a/README.md b/README.md
index 0551dda930a..5a0f3b8f27b 100644
--- a/README.md
+++ b/README.md
@@ -1,41 +1,58 @@
-# Blockly [![Build Status]( https://travis-ci.org/google/blockly.svg?branch=master)](https://travis-ci.org/google/blockly)
+# Blockly
 
+Google's Blockly is a library that adds a visual code editor to web and mobile apps. The Blockly editor uses interlocking, graphical blocks to represent code concepts like variables, logical expressions, loops, and more. It allows users to apply programming principles without having to worry about syntax or the intimidation of a blinking cursor on the command line. All code is free and open source.
 
-Google's Blockly is a web-based, visual programming editor.  Users can drag
-blocks together to build programs.  All code is free and open source.
+![](https://developers.google.com/blockly/images/sample.png)
 
-**The project page is https://developers.google.com/blockly/**
+## Getting Started with Blockly
 
-![](https://developers.google.com/blockly/images/sample.png)
+Blockly has many resources for learning how to use the library. Start at our [Google Developers Site](https://developers.google.com/blockly) to read the documentation on how to get started, configure Blockly, and integrate it into your application. The developers site also contains links to:
 
-Blockly has an active [developer forum](https://groups.google.com/forum/#!forum/blockly).  Please drop by and say hello. Show us your prototypes early; collectively we have a lot of experience and can offer hints which will save you time. We actively monitor the forums and typically respond to questions within 2 working days.
+- [Getting Started article](https://developers.google.com/blockly/guides/get-started/web)
+- [Getting Started codelab](https://blocklycodelabs.dev/codelabs/getting-started/index.html#0)
+- [More codelabs](https://blocklycodelabs.dev/)
+- [Demos and plugins](https://google.github.io/blockly-samples/)
 
 Help us focus our development efforts by telling us [what you are doing with
-Blockly](https://developers.google.com/blockly/registration).  The questionnaire only takes
+Blockly](https://developers.google.com/blockly/registration). The questionnaire only takes
 a few minutes and will help us better support the Blockly community.
 
-Cross-browser Testing Platform and Open Source <3 Provided by [Sauce Labs](https://saucelabs.com)
+### Installing Blockly
+
+Blockly is [available on npm](https://www.npmjs.com/package/blockly).
+
+```bash
+npm install blockly
+```
 
-We support IE11 and test it using [BrowserStack](https://browserstack.com)
+For more information on installing and using Blockly, see the [Getting Started article](https://developers.google.com/blockly/guides/get-started/web).
 
-Want to contribute? Great! First, read [our guidelines for contributors](https://developers.google.com/blockly/guides/modify/contributing).
+### Getting Help
+
+- [Report a bug](https://developers.google.com/blockly/guides/modify/contribute/write_a_good_issue) or file a feature request on GitHub
+- Ask a question, or search others' questions, on our [developer forum](https://groups.google.com/forum/#!forum/blockly). You can also drop by to say hello and show us your prototypes; collectively we have a lot of experience and can offer hints which will save you time. We actively monitor the forums and typically respond to questions within 2 working days.
+
+### blockly-samples
+
+We have a number of resources such as example code, demos, and plugins in another repository called [blockly-samples](https://github.com/google/blockly-samples/). A plugin is a self-contained piece of code that adds functionality to Blockly. Plugins can add fields, define themes, create renderers, and much more. For more information, see the [Plugins documentation](https://developers.google.com/blockly/guides/plugins/overview).
+
+## Contributing to Blockly
+
+Want to make Blockly better? We welcome contributions to Blockly in the form of pull requests, bug reports, documentation, answers on the forum, and more! Check out our [Contributing Guidelines](https://developers.google.com/blockly/guides/modify/contributing) for more information. You might also want to look for issues tagged "[Help Wanted](https://github.com/google/blockly/labels/help%20wanted)" which are issues we think would be great for external contributors to help with.
 
 ## Releases
 
-The next major release will be **September 25th, 2020**.
+We release by pushing the latest code to the master branch, followed by updating the npm package, our [docs](https://developers.google.com/blockly), and [demo pages](https://google.github.io/blockly-samples/). If there are breaking bugs, such as a crash when performing a standard action or a rendering issue that makes Blockly unusable, we will cherry-pick fixes to master between releases to fix them. The [releases page](https://github.com/google/blockly/releases) has a list of all releases.
+
+We use [semantic versioning](https://semver.org/). Releases that have breaking changes or are otherwise not backwards compatible will have a new major version. Patch versions are reserved for bug-fix patches between scheduled releases.
 
-We release by pushing the latest code to the master branch, followed by updating our [docs](https://developers.google.com/blockly) and [demo pages](https://blockly-demo.appspot.com). We typically release a new version of Blockly once a quarter (every 3 months). If there are breaking bugs, such as a crash when performing a standard action or a rendering issue that makes Blockly unusable, we will cherry-pick fixes to master between releases to fix them. The [releases page](https://github.com/google/blockly/releases) has a list of all releases.
+We now have a [beta release on npm](https://www.npmjs.com/package/blockly?activeTab=versions). If you'd like to test the upcoming release, or try out a not-yet-released new API, you can use the beta channel with:
 
-Releases are tagged by the release date (YYYYMMDD) with a leading '2.' and a trailing '.0' in case we ever need a major or minor version (such as [2.20190722.1](https://github.com/google/blockly/tree/2.20190722.1)). If you're using npm, you can install the ``blockly`` package on npm: 
 ```bash
-npm install blockly
+npm install blockly@beta
 ```
 
-### New APIs
-
-Once a new API is merged into master it is considered beta until the following release. We generally try to avoid changing an API after it has been merged to master, but sometimes we need to make changes after seeing how an API is used. If an API has been around for at least two releases we'll do our best to avoid breaking it.
-
-Unreleased APIs may change radically. Anything that is in `develop` but not `master` is subject to change without warning.
+As it is a beta channel, it may be less stable, and the APIs there are subject to change.
 
 ### Branches
 
@@ -47,14 +64,17 @@ There are two main branches for Blockly.
 
 **other branches:** - Larger changes may have their own branches until they are good enough for people to try out. These will be developed separately until we think they are almost ready for release. These branches typically get merged into develop immediately after a release to allow extra time for testing.
 
-## Issues and Milestones
+### New APIs
+
+Once a new API is merged into master it is considered beta until the following release. We generally try to avoid changing an API after it has been merged to master, but sometimes we need to make changes after seeing how an API is used. If an API has been around for at least two releases we'll do our best to avoid breaking it.
 
-We typically triage all bugs within 2 working days, which includes adding any appropriate labels and assigning it to a milestone. Please keep in mind, we are a small team so even feature requests that everyone agrees on may not be prioritized.
+Unreleased APIs may change radically. Anything that is in `develop` but not `master` is subject to change without warning.
 
-### Milestones
+## Issues and Milestones
 
-**Upcoming release** - The upcoming release milestone is for all bugs we plan on fixing before the next release. This typically has the form of `year_quarter_release` (such as `2019_q2_release`). Some bugs will be added to this release when they are triaged, others may be added closer to a release.
+We typically triage all bugs within 1 week, which includes adding any appropriate labels and assigning it to a milestone. Please keep in mind, we are a small team so even feature requests that everyone agrees on may not be prioritized.
 
-**Bug Bash Backlog** - These are bugs that we're still prioritizing. They haven't been added to a specific release yet, but we'll consider them for each release depending on relative priority and available time.
+## Good to Know
 
-**Icebox** - These are bugs that we do not intend to spend time on. They are either too much work or minor enough that we don't expect them to ever take priority. We are still happy to accept pull requests for these bugs.
+- Cross-browser Testing Platform and Open Source <3 Provided by [Sauce Labs](https://saucelabs.com)
+- We test browsers using [BrowserStack](https://browserstack.com)
diff --git a/_config.yml b/_config.yml
new file mode 100644
index 00000000000..bd053b36b40
--- /dev/null
+++ b/_config.yml
@@ -0,0 +1 @@
+exclude: []
diff --git a/api-extractor.json b/api-extractor.json
new file mode 100644
index 00000000000..6c599d255b4
--- /dev/null
+++ b/api-extractor.json
@@ -0,0 +1,385 @@
+/**
+ * Config file for API Extractor.  For more info, please visit: https://api-extractor.com
+ */
+{
+  "$schema": "https://developer.microsoft.com/json-schemas/api-extractor/v7/api-extractor.schema.json",
+
+  /**
+   * Optionally specifies another JSON config file that this file extends from.  This provides a way for
+   * standard settings to be shared across multiple projects.
+   *
+   * If the path starts with "./" or "../", the path is resolved relative to the folder of the file that contains
+   * the "extends" field.  Otherwise, the first path segment is interpreted as an NPM package name, and will be
+   * resolved using NodeJS require().
+   *
+   * SUPPORTED TOKENS: none
+   * DEFAULT VALUE: ""
+   */
+  // "extends": "./shared/api-extractor-base.json"
+  // "extends": "my-package/include/api-extractor-base.json"
+
+  /**
+   * Determines the "<projectFolder>" token that can be used with other config file settings.  The project folder
+   * typically contains the tsconfig.json and package.json config files, but the path is user-defined.
+   *
+   * The path is resolved relative to the folder of the config file that contains the setting.
+   *
+   * The default value for "projectFolder" is the token "<lookup>", which means the folder is determined by traversing
+   * parent folders, starting from the folder containing api-extractor.json, and stopping at the first folder
+   * that contains a tsconfig.json file.  If a tsconfig.json file cannot be found in this way, then an error
+   * will be reported.
+   *
+   * SUPPORTED TOKENS: <lookup>
+   * DEFAULT VALUE: "<lookup>"
+   */
+  // "projectFolder": "..",
+
+  /**
+   * (REQUIRED) Specifies the .d.ts file to be used as the starting point for analysis.  API Extractor
+   * analyzes the symbols exported by this module.
+   *
+   * The file extension must be ".d.ts" and not ".ts".
+   *
+   * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+   * prepend a folder token such as "<projectFolder>".
+   *
+   * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+   */
+  "mainEntryPointFilePath": "dist/index.d.ts",
+
+  /**
+   * A list of NPM package names whose exports should be treated as part of this package.
+   *
+   * For example, suppose that Webpack is used to generate a distributed bundle for the project "library1",
+   * and another NPM package "library2" is embedded in this bundle.  Some types from library2 may become part
+   * of the exported API for library1, but by default API Extractor would generate a .d.ts rollup that explicitly
+   * imports library2.  To avoid this, we can specify:
+   *
+   *   "bundledPackages": [ "library2" ],
+   *
+   * This would direct API Extractor to embed those types directly in the .d.ts rollup, as if they had been
+   * local files for library1.
+   */
+  "bundledPackages": [],
+
+  /**
+   * Determines how the TypeScript compiler engine will be invoked by API Extractor.
+   */
+  "compiler": {
+    /**
+     * Specifies the path to the tsconfig.json file to be used by API Extractor when analyzing the project.
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * Note: This setting will be ignored if "overrideTsconfig" is used.
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: "<projectFolder>/tsconfig.json"
+     */
+    // "tsconfigFilePath": "<projectFolder>/tsconfig.json",
+    /**
+     * Provides a compiler configuration that will be used instead of reading the tsconfig.json file from disk.
+     * The object must conform to the TypeScript tsconfig schema:
+     *
+     * http://json.schemastore.org/tsconfig
+     *
+     * If omitted, then the tsconfig.json file will be read from the "projectFolder".
+     *
+     * DEFAULT VALUE: no overrideTsconfig section
+     */
+    // "overrideTsconfig": {
+    //   . . .
+    // }
+    /**
+     * This option causes the compiler to be invoked with the --skipLibCheck option. This option is not recommended
+     * and may cause API Extractor to produce incomplete or incorrect declarations, but it may be required when
+     * dependencies contain declarations that are incompatible with the TypeScript engine that API Extractor uses
+     * for its analysis.  Where possible, the underlying issue should be fixed rather than relying on skipLibCheck.
+     *
+     * DEFAULT VALUE: false
+     */
+    // "skipLibCheck": true,
+  },
+
+  /**
+   * Configures how the API report file (*.api.md) will be generated.
+   */
+  "apiReport": {
+    /**
+     * (REQUIRED) Whether to generate an API report.
+     */
+    "enabled": false
+
+    /**
+     * The filename for the API report files.  It will be combined with "reportFolder" or "reportTempFolder" to produce
+     * a full file path.
+     *
+     * The file extension should be ".api.md", and the string should not contain a path separator such as "\" or "/".
+     *
+     * SUPPORTED TOKENS: <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: "<unscopedPackageName>.api.md"
+     */
+    // "reportFileName": "<unscopedPackageName>.api.md",
+
+    /**
+     * Specifies the folder where the API report file is written.  The file name portion is determined by
+     * the "reportFileName" setting.
+     *
+     * The API report file is normally tracked by Git.  Changes to it can be used to trigger a branch policy,
+     * e.g. for an API review.
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: "<projectFolder>/temp/"
+     */
+    // "reportFolder": "<projectFolder>/temp/",
+
+    /**
+     * Specifies the folder where the temporary report file is written.  The file name portion is determined by
+     * the "reportFileName" setting.
+     *
+     * After the temporary file is written to disk, it is compared with the file in the "reportFolder".
+     * If they are different, a production build will fail.
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: "<projectFolder>/temp/"
+     */
+    // "reportTempFolder": "<projectFolder>/temp/"
+  },
+
+  /**
+   * Configures how the doc model file (*.api.json) will be generated.
+   */
+  "docModel": {
+    /**
+     * (REQUIRED) Whether to generate a doc model file.
+     */
+    "enabled": true
+
+    /**
+     * The output path for the doc model file.  The file extension should be ".api.json".
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: "<projectFolder>/temp/<unscopedPackageName>.api.json"
+     */
+    // "apiJsonFilePath": "<projectFolder>/temp/<unscopedPackageName>.api.json"
+  },
+
+  /**
+   * Configures how the .d.ts rollup file will be generated.
+   */
+  "dtsRollup": {
+    /**
+     * (REQUIRED) Whether to generate the .d.ts rollup file.
+     */
+    "enabled": true,
+
+    /**
+     * Specifies the output path for a .d.ts rollup file to be generated without any trimming.
+     * This file will include all declarations that are exported by the main entry point.
+     *
+     * If the path is an empty string, then this file will not be written.
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: "<projectFolder>/dist/<unscopedPackageName>.d.ts"
+     */
+    "untrimmedFilePath": "<projectFolder>/dist/<unscopedPackageName>_rollup.d.ts"
+
+    /**
+     * Specifies the output path for a .d.ts rollup file to be generated with trimming for an "alpha" release.
+     * This file will include only declarations that are marked as "@public", "@beta", or "@alpha".
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: ""
+     */
+    // "alphaTrimmedFilePath": "<projectFolder>/dist/<unscopedPackageName>-alpha.d.ts",
+
+    /**
+     * Specifies the output path for a .d.ts rollup file to be generated with trimming for a "beta" release.
+     * This file will include only declarations that are marked as "@public" or "@beta".
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: ""
+     */
+    // "betaTrimmedFilePath": "<projectFolder>/dist/<unscopedPackageName>-beta.d.ts",
+
+    /**
+     * Specifies the output path for a .d.ts rollup file to be generated with trimming for a "public" release.
+     * This file will include only declarations that are marked as "@public".
+     *
+     * If the path is an empty string, then this file will not be written.
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: ""
+     */
+    // "publicTrimmedFilePath": "<projectFolder>/dist/<unscopedPackageName>-public.d.ts",
+
+    /**
+     * When a declaration is trimmed, by default it will be replaced by a code comment such as
+     * "Excluded from this release type: exampleMember".  Set "omitTrimmingComments" to true to remove the
+     * declaration completely.
+     *
+     * DEFAULT VALUE: false
+     */
+    // "omitTrimmingComments": true
+  },
+
+  /**
+   * Configures how the tsdoc-metadata.json file will be generated.
+   */
+  "tsdocMetadata": {
+    /**
+     * Whether to generate the tsdoc-metadata.json file.
+     *
+     * DEFAULT VALUE: true
+     */
+    // "enabled": true,
+    /**
+     * Specifies where the TSDoc metadata file should be written.
+     *
+     * The path is resolved relative to the folder of the config file that contains the setting; to change this,
+     * prepend a folder token such as "<projectFolder>".
+     *
+     * The default value is "<lookup>", which causes the path to be automatically inferred from the "tsdocMetadata",
+     * "typings" or "main" fields of the project's package.json.  If none of these fields are set, the lookup
+     * falls back to "tsdoc-metadata.json" in the package folder.
+     *
+     * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
+     * DEFAULT VALUE: "<lookup>"
+     */
+    // "tsdocMetadataFilePath": "<projectFolder>/dist/tsdoc-metadata.json"
+  },
+
+  /**
+   * Specifies what type of newlines API Extractor should use when writing output files.  By default, the output files
+   * will be written with Windows-style newlines.  To use POSIX-style newlines, specify "lf" instead.
+   * To use the OS's default newline kind, specify "os".
+   *
+   * DEFAULT VALUE: "crlf"
+   */
+  // "newlineKind": "crlf",
+
+  /**
+   * Configures how API Extractor reports error and warning messages produced during analysis.
+   *
+   * There are three sources of messages:  compiler messages, API Extractor messages, and TSDoc messages.
+   */
+  "messages": {
+    /**
+     * Configures handling of diagnostic messages reported by the TypeScript compiler engine while analyzing
+     * the input .d.ts files.
+     *
+     * TypeScript message identifiers start with "TS" followed by an integer.  For example: "TS2551"
+     *
+     * DEFAULT VALUE:  A single "default" entry with logLevel=warning.
+     */
+    "compilerMessageReporting": {
+      /**
+       * Configures the default routing for messages that don't match an explicit rule in this table.
+       */
+      "default": {
+        /**
+         * Specifies whether the message should be written to the the tool's output log.  Note that
+         * the "addToApiReportFile" property may supersede this option.
+         *
+         * Possible values: "error", "warning", "none"
+         *
+         * Errors cause the build to fail and return a nonzero exit code.  Warnings cause a production build fail
+         * and return a nonzero exit code.  For a non-production build (e.g. when "api-extractor run" includes
+         * the "--local" option), the warning is displayed but the build will not fail.
+         *
+         * DEFAULT VALUE: "warning"
+         */
+        "logLevel": "warning"
+
+        /**
+         * When addToApiReportFile is true:  If API Extractor is configured to write an API report file (.api.md),
+         * then the message will be written inside that file; otherwise, the message is instead logged according to
+         * the "logLevel" option.
+         *
+         * DEFAULT VALUE: false
+         */
+        // "addToApiReportFile": false
+      }
+
+      // "TS2551": {
+      //   "logLevel": "warning",
+      //   "addToApiReportFile": true
+      // },
+      //
+      // . . .
+    },
+
+    /**
+     * Configures handling of messages reported by API Extractor during its analysis.
+     *
+     * API Extractor message identifiers start with "ae-".  For example: "ae-extra-release-tag"
+     *
+     * DEFAULT VALUE: See api-extractor-defaults.json for the complete table of extractorMessageReporting mappings
+     */
+    "extractorMessageReporting": {
+      "default": {
+        "logLevel": "warning"
+        // "addToApiReportFile": false
+      },
+
+      // We don't use `@public`, that's just the default.
+      "ae-missing-release-tag": {
+        "logLevel": "none"
+      },
+
+      // Needs investigation.
+      "ae-forgotten-export": {
+        "logLevel": "none"
+      }
+    },
+
+    /**
+     * Configures handling of messages reported by the TSDoc parser when analyzing code comments.
+     *
+     * TSDoc message identifiers start with "tsdoc-".  For example: "tsdoc-link-tag-unescaped-text"
+     *
+     * DEFAULT VALUE:  A single "default" entry with logLevel=warning.
+     */
+    "tsdocMessageReporting": {
+      "default": {
+        "logLevel": "warning"
+        // "addToApiReportFile": false
+      },
+
+      "tsdoc-param-tag-missing-hyphen": {
+        "logLevel": "none"
+      },
+
+      // These two are due to "type-like" tags in JsDoc like
+      // `@suppress {warningName}`. The braces are unexpected in TsDoc.
+      "tsdoc-malformed-inline-tag": {
+        "logLevel": "none"
+      },
+      "tsdoc-escape-right-brace": {
+        "logLevel": "none"
+      }
+    }
+  }
+}
diff --git a/appengine/.gcloudignore b/appengine/.gcloudignore
index 8e8c010a308..00d3868b177 100644
--- a/appengine/.gcloudignore
+++ b/appengine/.gcloudignore
@@ -2,18 +2,15 @@
 .*
 *.soy
 *.komodoproject
-/deploy
+deploy
 /static/appengine/
-/static/closure/
 /static/demos/plane/soy/*.jar
 /static/demos/plane/xlf/
 /static/externs/
 /static/msg/json/
-/static/node_modules/
 /static/scripts/
 /static/typings/
 
-/static/build.py
 /static/eslintrc.json
 /static/gulpfile.js
 /static/jsconfig.json
diff --git a/appengine/add_timestamps.py b/appengine/add_timestamps.py
index 8cf90b522aa..05ff7b92814 100644
--- a/appengine/add_timestamps.py
+++ b/appengine/add_timestamps.py
@@ -33,7 +33,7 @@
 
 Start a venv: `python3 -m venv venv && source venv/bin/activate`
 Inside your vm run `pip install google-cloud-ndb`
-Run the script: `python add_timestamps.py`
+Run the script: `python3 add_timestamps.py`
 """
 
 __author__ = "fenichel@google.com (Rachel Fenichel)"
@@ -62,8 +62,8 @@ def run_query():
     while more:
       results, cursor, more = query.fetch_page(PAGE_SIZE, start_cursor=cursor)
       handle_results(results)
-      page_count = page_count + 1
-      result_count = result_count + len(results)
+      page_count += 1
+      result_count += len(results)
       print(f'{datetime.datetime.now().strftime("%I:%M:%S %p")} : page {page_count} : {result_count}')
 
 run_query()
diff --git a/appengine/app.yaml b/appengine/app.yaml
index 2fd93c49440..9c93fb6873d 100644
--- a/appengine/app.yaml
+++ b/appengine/app.yaml
@@ -1,4 +1,4 @@
-runtime: python37
+runtime: python312
 
 handlers:
 # Redirect obsolete URLs.
@@ -14,6 +14,58 @@ handlers:
 - url: /static/apps/.*
   static_files: redirect.html
   upload: redirect.html
+# Certain demos were moved on 25 Nov 2022.
+- url: /static/demos/fixed/.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/resizable/.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/toolbox/.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/maxBlocks/.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/generator/.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/headless/.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/interpreter/step-execution.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/interpreter/async-execution.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/graph/.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/rtl/.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/custom-dialogs/.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/custom-fields/turtle/.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/custom-fields/pitch/.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/mirror/.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/plane/.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/keyboard_nav/.*
+  static_files: redirect.html
+  upload: redirect.html
+- url: /static/demos/custom-fields/.*
+  static_files: redirect.html
+  upload: redirect.html
 
 # Blockly files.
 - url: /static
@@ -50,4 +102,3 @@ handlers:
 - url: /.*
   script: auto
   secure: always
-  
\ No newline at end of file
diff --git a/appengine/blockly_compressed.js b/appengine/blockly_compressed.js
new file mode 100644
index 00000000000..dc118dfbe20
--- /dev/null
+++ b/appengine/blockly_compressed.js
@@ -0,0 +1,11 @@
+// Added November 2022 after discovering that a number of orgs were hot-linking
+// their Blockly applications to https://blockly-demo.appspot.com/
+// Delete this file in early 2024.
+var msg = 'Compiled Blockly files should be loaded from https://unpkg.com/blockly/\n' +
+    'For help, contact https://groups.google.com/g/blockly';
+console.log(msg);
+try {
+  alert(msg);
+} catch (_e) {
+  // Can't alert?  Probably node.js.
+}
diff --git a/appengine/deploy b/appengine/deploy
deleted file mode 100755
index 7fb5e6c0c07..00000000000
--- a/appengine/deploy
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/bash
-
-# Script to deploy on GAE.
-
-APP=./app.yaml
-if ! [ -f $APP ] ; then
-   echo $APP not found 1>&2
-   exit 1
-fi
-
-PROJECT=blockly-demo
-VERSION=37
-
-echo 'Beginning deployment...'
-gcloud app deploy --project $PROJECT --version $VERSION --no-promote
-echo 'Deployment finished.'
diff --git a/appengine/expiration.py b/appengine/expiration.py
index 19142c30ab4..89d4a7a8d5d 100644
--- a/appengine/expiration.py
+++ b/appengine/expiration.py
@@ -39,13 +39,14 @@ def delete_expired():
     results = query.fetch(limit=QUERY_LIMIT, keys_only=True)
     for x in results:
       x.delete()
+  return len(results)
 
 
 def app(environ, start_response):
-  out = ""
   headers = [
     ("Content-Type", "text/plain")
   ]
   start_response("200 OK", headers)
-  delete_expired()
+  n = delete_expired()
+  out = "%d records deleted." % n
   return [out.encode("utf-8")]
diff --git a/appengine/redirect.html b/appengine/redirect.html
index 9c29bac59f9..cc7cf301848 100644
--- a/appengine/redirect.html
+++ b/appengine/redirect.html
@@ -47,20 +47,59 @@
   }
 }
 
-if (loc.match('/apps/puzzle/')) {
+if (loc.includes('/apps/puzzle/')) {
   // Puzzle moved to Blockly Games on 15 Oct 2014.
-  loc = 'https://blockly-games.appspot.com/puzzle';
-} else if (loc.match('/apps/maze/')) {
+  loc = 'https://blockly.games/puzzle';
+} else if (loc.includes('/apps/maze/')) {
   // Maze moved to Blockly Games on 10 Nov 2014.
-  loc = 'https://blockly-games.appspot.com/maze';
-} else if (loc.match('/apps/turtle/')) {
+  loc = 'https://blockly.games/maze';
+} else if (loc.includes('/apps/turtle/')) {
   // Turtle moved to Blockly Games on 10 Nov 2014.
-  loc = 'https://blockly-games.appspot.com/turtle';
-} else if (loc.match('/apps/')) {
+  loc = 'https://blockly.games/turtle';
+} else if (loc.includes('/apps/')) {
   // Remaining apps moved to demos on 20 Nov 2014.
   loc = loc.replace('/apps/', '/demos/');
 }
 
+// Demos without saved data were moved to Blockly Samples in 2021.
+if (loc.includes('/demos/fixed/')) {
+  loc = 'https://google.github.io/blockly-samples/examples/fixed-demo/';
+} else if (loc.includes('/demos/resizable/overlay')) {
+  loc = 'https://google.github.io/blockly-samples/examples/resizable-demo/overlay.html';
+} else if (loc.includes('/demos/resizable/')) {
+  loc = 'https://google.github.io/blockly-samples/examples/resizable-demo/';
+} else if (loc.includes('/demos/toolbox/')) {
+  loc = 'https://google.github.io/blockly-samples/examples/toolbox-demo/';
+} else if (loc.includes('/demos/maxBlocks/')) {
+  loc = 'https://google.github.io/blockly-samples/examples/max-blocks-demo/';
+} else if (loc.includes('/demos/generator/')) {
+  loc = 'https://google.github.io/blockly-samples/examples/generator-demo/';
+} else if (loc.includes('/demos/headless/')) {
+  loc = 'https://google.github.io/blockly-samples/examples/headless-demo/';
+} else if (loc.includes('/demos/interpreter/step-execution')) {
+  loc = 'https://google.github.io/blockly-samples/examples/interpreter-demo/step-execution.html';
+} else if (loc.includes('/demos/interpreter/async-execution')) {
+  loc = 'https://google.github.io/blockly-samples/examples/interpreter-demo/async-execution.html';
+} else if (loc.includes('/demos/graph/')) {
+  loc = 'https://google.github.io/blockly-samples/examples/graph-demo/';
+} else if (loc.includes('/demos/rtl/')) {
+  loc = 'https://google.github.io/blockly-samples/examples/rtl-demo/';
+} else if (loc.includes('/demos/custom-dialogs/')) {
+  loc = 'https://google.github.io/blockly-samples/examples/custom-dialogs-demo';
+} else if (loc.includes('/demos/custom-fields/turtle/')) {
+  loc = 'https://google.github.io/blockly-samples/examples/turtle-field-demo/';
+} else if (loc.includes('/demos/custom-fields/pitch/')) {
+  loc = 'https://google.github.io/blockly-samples/examples/pitch-field-demo/';
+} else if (loc.includes('/demos/mirror/')) {
+  loc = 'https://google.github.io/blockly-samples/examples/mirror-demo/';
+} else if (loc.includes('/demos/plane/')) {
+  loc = 'https://google.github.io/blockly-samples/examples/plane-demo/';
+} else if (loc.includes('/demos/keyboard_nav/')) {
+  loc = 'https://google.github.io/blockly-samples/plugins/keyboard-navigation/test/';
+} else if (loc.includes('/demos/custom-fields/')) {
+  loc = 'https://google.github.io/blockly-samples/examples/pitch-field-demo/';
+}
+
 location = loc;
 
     </script>
diff --git a/appengine/storage.js b/appengine/storage.js
index 82a74052acd..c1157177133 100644
--- a/appengine/storage.js
+++ b/appengine/storage.js
@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview Loading and saving blocks with localStorage and cloud storage.
- * @author q.neutron@gmail.com (Quynh Neutron)
  */
 'use strict';
 
@@ -45,7 +44,7 @@ BlocklyStorage.restoreBlocks = function(opt_workspace) {
   var url = window.location.href.split('#')[0];
   if ('localStorage' in window && window.localStorage[url]) {
     var workspace = opt_workspace || Blockly.getMainWorkspace();
-    var xml = Blockly.Xml.textToDom(window.localStorage[url]);
+    var xml = Blockly.utils.xml.textToDom(window.localStorage[url]);
     Blockly.Xml.domToWorkspace(xml, workspace);
   }
 };
@@ -59,7 +58,7 @@ BlocklyStorage.link = function(opt_workspace) {
   var xml = Blockly.Xml.workspaceToDom(workspace, true);
   // Remove x/y coordinates from XML if there's only one block stack.
   // There's no reason to store this, removing it helps with anonymity.
-  if (workspace.getTopBlocks(false).length == 1 && xml.querySelector) {
+  if (workspace.getTopBlocks(false).length === 1 && xml.querySelector) {
     var block = xml.querySelector('block');
     if (block) {
       block.removeAttribute('x');
@@ -116,21 +115,23 @@ BlocklyStorage.makeRequest_ = function(url, name, content, workspace) {
  * @private
  */
 BlocklyStorage.handleRequest_ = function() {
-  if (BlocklyStorage.httpRequest_.readyState == 4) {
-    if (BlocklyStorage.httpRequest_.status != 200) {
+  if (BlocklyStorage.httpRequest_.readyState === 4) {
+    if (BlocklyStorage.httpRequest_.status !== 200) {
       BlocklyStorage.alert(BlocklyStorage.HTTPREQUEST_ERROR + '\n' +
           'httpRequest_.status: ' + BlocklyStorage.httpRequest_.status);
     } else {
       var data = BlocklyStorage.httpRequest_.responseText.trim();
-      if (BlocklyStorage.httpRequest_.name == 'xml') {
+      if (BlocklyStorage.httpRequest_.name === 'xml') {
         window.location.hash = data;
         BlocklyStorage.alert(BlocklyStorage.LINK_ALERT.replace('%1',
             window.location.href));
-      } else if (BlocklyStorage.httpRequest_.name == 'key') {
+      } else if (BlocklyStorage.httpRequest_.name === 'key') {
         if (!data.length) {
           BlocklyStorage.alert(BlocklyStorage.HASH_ERROR.replace('%1',
               window.location.hash));
         } else {
+          // Remove poison line to prevent raw content from being served.
+          data = data.replace(/^\{\[\(\< UNTRUSTED CONTENT \>\)\]\}\n/, '');
           BlocklyStorage.loadXml_(data, BlocklyStorage.httpRequest_.workspace);
         }
       }
@@ -153,7 +154,7 @@ BlocklyStorage.monitorChanges_ = function(workspace) {
   function change() {
     var xmlDom = Blockly.Xml.workspaceToDom(workspace);
     var xmlText = Blockly.Xml.domToText(xmlDom);
-    if (startXmlText != xmlText) {
+    if (startXmlText !== xmlText) {
       window.location.hash = '';
       workspace.removeChangeListener(change);
     }
@@ -169,7 +170,7 @@ BlocklyStorage.monitorChanges_ = function(workspace) {
  */
 BlocklyStorage.loadXml_ = function(xml, workspace) {
   try {
-    xml = Blockly.Xml.textToDom(xml);
+    xml = Blockly.utils.xml.textToDom(xml);
   } catch (e) {
     BlocklyStorage.alert(BlocklyStorage.XML_ERROR + '\nXML: ' + xml);
     return;
diff --git a/appengine/storage.py b/appengine/storage.py
index e90375bf1e7..34db68b29ac 100644
--- a/appengine/storage.py
+++ b/appengine/storage.py
@@ -15,15 +15,15 @@
 limitations under the License.
 """
 
-"""Store and retrieve XML with App Engine.
+"""Store and retrieve Blockly XML/JSON with App Engine.
 """
 
 __author__ = "q.neutron@gmail.com (Quynh Neutron)"
 
-import cgi
 import hashlib
-from random import randint
 from google.cloud import ndb
+from random import randint
+from urllib.parse import unquote
 
 
 class Xml(ndb.Model):
@@ -32,6 +32,7 @@ class Xml(ndb.Model):
   xml_content = ndb.TextProperty()
   last_accessed = ndb.DateTimeProperty(auto_now=True)
 
+
 def keyGen():
   # Generate a random string of length KEY_LEN.
   KEY_LEN = 6
@@ -40,13 +41,28 @@ def keyGen():
   return "".join([CHARS[randint(0, max_index)] for x in range(KEY_LEN)])
 
 
+# Parse POST data (e.g. a=1&b=2) into a dictionary (e.g. {"a": 1, "b": 2}).
+# Very minimal parser.  Does not combine repeated names (a=1&a=2), ignores
+# valueless names (a&b), does not support isindex or multipart/form-data.
+def parse_post(environ):
+  fp = environ["wsgi.input"]
+  data = fp.read().decode()
+  parts = data.split("&")
+  dict = {}
+  for part in parts:
+    tuple = part.split("=", 1)
+    if len(tuple) == 2:
+      dict[tuple[0]] = unquote(tuple[1])
+  return dict
+
+
 def xmlToKey(xml_content):
-  # Store XML and return a generated key.
+  # Store XML/JSON and return a generated key.
   xml_hash = int(hashlib.sha1(xml_content.encode("utf-8")).hexdigest(), 16)
   xml_hash = int(xml_hash % (2 ** 64) - (2 ** 63))
-  lookup_query = Xml.query(Xml.xml_hash == xml_hash)
   client = ndb.Client()
   with client.context():
+    lookup_query = Xml.query(Xml.xml_hash == xml_hash)
     lookup_result = lookup_query.get()
     if lookup_result:
       xml_key = lookup_result.key.string_id()
@@ -65,7 +81,7 @@ def xmlToKey(xml_content):
 
 
 def keyToXml(key_provided):
-  # Retrieve stored XML based on the provided key.
+  # Retrieve stored XML/JSON based on the provided key.
   # Normalize the string.
   key_provided = key_provided.lower().strip()
   # Check datastore for a match.
@@ -80,20 +96,30 @@ def keyToXml(key_provided):
     with client.context():
       result.put()
     xml = result.xml_content
+    # Add a poison line to prevent raw content from being served.
+    xml = "{[(< UNTRUSTED CONTENT >)]}\n" + xml
   return xml
 
 
 def app(environ, start_response):
-  forms = cgi.FieldStorage(fp=environ['wsgi.input'], environ=environ)
+  headers = [
+    ("Content-Type", "text/plain")
+  ]
+  if environ["REQUEST_METHOD"] != "POST":
+    start_response("405 Method Not Allowed", headers)
+    return ["Storage only accepts POST".encode("utf-8")]
+  if ("CONTENT_TYPE" in environ and
+      environ["CONTENT_TYPE"] != "application/x-www-form-urlencoded"):
+    start_response("405 Method Not Allowed", headers)
+    return ["Storage only accepts application/x-www-form-urlencoded".encode("utf-8")]
+
+  forms = parse_post(environ)
   if "xml" in forms:
-    out = xmlToKey(forms["xml"].value)
+    out = xmlToKey(forms["xml"])
   elif "key" in forms:
-    out = keyToXml(forms["key"].value)
+    out = keyToXml(forms["key"])
   else:
     out = ""
 
-  headers = [
-    ("Content-Type", "text/plain")
-  ]
   start_response("200 OK", headers)
   return [out.encode("utf-8")]
diff --git a/blockly_compressed.js b/blockly_compressed.js
deleted file mode 100644
index 44cdda8d4b9..00000000000
--- a/blockly_compressed.js
+++ /dev/null
@@ -1,1455 +0,0 @@
-// Do not edit this file; automatically generated by gulp.
-
-/* eslint-disable */
-;(function(root, factory) {
-  if (typeof define === 'function' && define.amd) { // AMD
-    define([], factory);
-  } else if (typeof exports === 'object') { // Node.js
-    module.exports = factory();
-  } else { // Browser
-    root.Blockly = factory();
-  }
-}(this, function() {
-  'use strict';var Blockly={constants:{},LINE_MODE_MULTIPLIER:40,PAGE_MODE_MULTIPLIER:125,DRAG_RADIUS:5,FLYOUT_DRAG_RADIUS:10,SNAP_RADIUS:28};Blockly.CONNECTING_SNAP_RADIUS=Blockly.SNAP_RADIUS;Blockly.CURRENT_CONNECTION_PREFERENCE=8;Blockly.BUMP_DELAY=250;Blockly.BUMP_RANDOMNESS=10;Blockly.COLLAPSE_CHARS=30;Blockly.LONGPRESS=750;Blockly.SOUND_LIMIT=100;Blockly.DRAG_STACK=!0;Blockly.HSV_SATURATION=.45;Blockly.HSV_VALUE=.65;Blockly.SPRITE={width:96,height:124,url:"sprites.png"};Blockly.INPUT_VALUE=1;
-Blockly.OUTPUT_VALUE=2;Blockly.NEXT_STATEMENT=3;Blockly.PREVIOUS_STATEMENT=4;Blockly.DUMMY_INPUT=5;Blockly.ALIGN_LEFT=-1;Blockly.ALIGN_CENTRE=0;Blockly.ALIGN_RIGHT=1;Blockly.DRAG_NONE=0;Blockly.DRAG_STICKY=1;Blockly.DRAG_BEGIN=1;Blockly.DRAG_FREE=2;Blockly.OPPOSITE_TYPE=[];Blockly.OPPOSITE_TYPE[Blockly.INPUT_VALUE]=Blockly.OUTPUT_VALUE;Blockly.OPPOSITE_TYPE[Blockly.OUTPUT_VALUE]=Blockly.INPUT_VALUE;Blockly.OPPOSITE_TYPE[Blockly.NEXT_STATEMENT]=Blockly.PREVIOUS_STATEMENT;
-Blockly.OPPOSITE_TYPE[Blockly.PREVIOUS_STATEMENT]=Blockly.NEXT_STATEMENT;Blockly.TOOLBOX_AT_TOP=0;Blockly.TOOLBOX_AT_BOTTOM=1;Blockly.TOOLBOX_AT_LEFT=2;Blockly.TOOLBOX_AT_RIGHT=3;Blockly.DELETE_AREA_NONE=null;Blockly.DELETE_AREA_TRASH=1;Blockly.DELETE_AREA_TOOLBOX=2;Blockly.VARIABLE_CATEGORY_NAME="VARIABLE";Blockly.VARIABLE_DYNAMIC_CATEGORY_NAME="VARIABLE_DYNAMIC";Blockly.PROCEDURE_CATEGORY_NAME="PROCEDURE";Blockly.RENAME_VARIABLE_ID="RENAME_VARIABLE_ID";Blockly.DELETE_VARIABLE_ID="DELETE_VARIABLE_ID";Blockly.registry={};Blockly.registry.typeMap_={};Blockly.registry.DEFAULT="default";Blockly.registry.Type=function(a){this.name_=a};Blockly.registry.Type.prototype.toString=function(){return this.name_};Blockly.registry.Type.CONNECTION_CHECKER=new Blockly.registry.Type("connectionChecker");Blockly.registry.Type.EVENT=new Blockly.registry.Type("event");Blockly.registry.Type.FIELD=new Blockly.registry.Type("field");Blockly.registry.Type.RENDERER=new Blockly.registry.Type("renderer");
-Blockly.registry.Type.TOOLBOX=new Blockly.registry.Type("toolbox");Blockly.registry.Type.THEME=new Blockly.registry.Type("theme");Blockly.registry.Type.TOOLBOX_ITEM=new Blockly.registry.Type("toolboxItem");Blockly.registry.Type.FLYOUTS_VERTICAL_TOOLBOX=new Blockly.registry.Type("flyoutsVerticalToolbox");Blockly.registry.Type.FLYOUTS_HORIZONTAL_TOOLBOX=new Blockly.registry.Type("flyoutsHorizontalToolbox");
-Blockly.registry.register=function(a,b,c,d){if(!(a instanceof Blockly.registry.Type)&&"string"!=typeof a||""==String(a).trim())throw Error('Invalid type "'+a+'". The type must be a non-empty string or a Blockly.registry.Type.');a=String(a).toLowerCase();if("string"!=typeof b||""==b.trim())throw Error('Invalid name "'+b+'". The name must be a non-empty string.');b=b.toLowerCase();if(!c)throw Error("Can not register a null value");var e=Blockly.registry.typeMap_[a];e||(e=Blockly.registry.typeMap_[a]=
-{});Blockly.registry.validate_(a,c);if(!d&&e[b])throw Error('Name "'+b+'" with type "'+a+'" already registered.');e[b]=c};Blockly.registry.validate_=function(a,b){switch(a){case String(Blockly.registry.Type.FIELD):if("function"!=typeof b.fromJson)throw Error('Type "'+a+'" must have a fromJson function');}};
-Blockly.registry.unregister=function(a,b){a=String(a).toLowerCase();b=b.toLowerCase();var c=Blockly.registry.typeMap_[a];c?c[b]?delete Blockly.registry.typeMap_[a][b]:console.warn('No name "'+b+'" with type "'+a+'" found'):console.warn('No type "'+a+'" found')};
-Blockly.registry.getItem_=function(a,b){a=String(a).toLowerCase();b=b.toLowerCase();var c=Blockly.registry.typeMap_[a];return c?c[b]?c[b]:(console.warn('No name "'+b+'" with type "'+a+'" found'),null):(console.warn('No type "'+a+'" found'),null)};Blockly.registry.hasItem=function(a,b){a=String(a).toLowerCase();b=b.toLowerCase();return(a=Blockly.registry.typeMap_[a])?!!a[b]:!1};Blockly.registry.getClass=function(a,b){return Blockly.registry.getItem_(a,b)};
-Blockly.registry.getObject=function(a,b){return Blockly.registry.getItem_(a,b)};Blockly.registry.getClassFromOptions=function(a,b){b=b.plugins[a.toString()]||Blockly.registry.DEFAULT;return"function"==typeof b?b:Blockly.registry.getClass(a,b)};Blockly.utils={};Blockly.utils.global=function(){return"object"===typeof self?self:"object"===typeof window?window:"object"===typeof global?global:this}();Blockly.Msg={};Blockly.utils.global.Blockly||(Blockly.utils.global.Blockly={});Blockly.utils.global.Blockly.Msg||(Blockly.utils.global.Blockly.Msg=Blockly.Msg);Blockly.utils.colour={};
-Blockly.utils.colour.parse=function(a){a=String(a).toLowerCase().trim();var b=Blockly.utils.colour.names[a];if(b)return b;b="0x"==a.substring(0,2)?"#"+a.substring(2):a;b="#"==b[0]?b:"#"+b;if(/^#[0-9a-f]{6}$/.test(b))return b;if(/^#[0-9a-f]{3}$/.test(b))return["#",b[1],b[1],b[2],b[2],b[3],b[3]].join("");var c=a.match(/^(?:rgb)?\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/);return c&&(a=Number(c[1]),b=Number(c[2]),c=Number(c[3]),0<=a&&256>a&&0<=b&&256>b&&0<=c&&256>c)?Blockly.utils.colour.rgbToHex(a,b,
-c):null};Blockly.utils.colour.rgbToHex=function(a,b,c){b=a<<16|b<<8|c;return 16>a?"#"+(16777216|b).toString(16).substr(1):"#"+b.toString(16)};Blockly.utils.colour.hexToRgb=function(a){a=Blockly.utils.colour.parse(a);if(!a)return[0,0,0];a=parseInt(a.substr(1),16);return[a>>16,a>>8&255,a&255]};
-Blockly.utils.colour.hsvToHex=function(a,b,c){var d=0,e=0,f=0;if(0==b)f=e=d=c;else{var g=Math.floor(a/60),h=a/60-g;a=c*(1-b);var k=c*(1-b*h);b=c*(1-b*(1-h));switch(g){case 1:d=k;e=c;f=a;break;case 2:d=a;e=c;f=b;break;case 3:d=a;e=k;f=c;break;case 4:d=b;e=a;f=c;break;case 5:d=c;e=a;f=k;break;case 6:case 0:d=c,e=b,f=a}}return Blockly.utils.colour.rgbToHex(Math.floor(d),Math.floor(e),Math.floor(f))};
-Blockly.utils.colour.blend=function(a,b,c){a=Blockly.utils.colour.parse(a);if(!a)return null;b=Blockly.utils.colour.parse(b);if(!b)return null;a=Blockly.utils.colour.hexToRgb(a);b=Blockly.utils.colour.hexToRgb(b);return Blockly.utils.colour.rgbToHex(Math.round(b[0]+c*(a[0]-b[0])),Math.round(b[1]+c*(a[1]-b[1])),Math.round(b[2]+c*(a[2]-b[2])))};
-Blockly.utils.colour.names={aqua:"#00ffff",black:"#000000",blue:"#0000ff",fuchsia:"#ff00ff",gray:"#808080",green:"#008000",lime:"#00ff00",maroon:"#800000",navy:"#000080",olive:"#808000",purple:"#800080",red:"#ff0000",silver:"#c0c0c0",teal:"#008080",white:"#ffffff",yellow:"#ffff00"};Blockly.utils.Coordinate=function(a,b){this.x=a;this.y=b};Blockly.utils.Coordinate.equals=function(a,b){return a==b?!0:a&&b?a.x==b.x&&a.y==b.y:!1};Blockly.utils.Coordinate.distance=function(a,b){var c=a.x-b.x;a=a.y-b.y;return Math.sqrt(c*c+a*a)};Blockly.utils.Coordinate.magnitude=function(a){return Math.sqrt(a.x*a.x+a.y*a.y)};Blockly.utils.Coordinate.difference=function(a,b){return new Blockly.utils.Coordinate(a.x-b.x,a.y-b.y)};
-Blockly.utils.Coordinate.sum=function(a,b){return new Blockly.utils.Coordinate(a.x+b.x,a.y+b.y)};Blockly.utils.Coordinate.prototype.scale=function(a){this.x*=a;this.y*=a;return this};Blockly.utils.Coordinate.prototype.translate=function(a,b){this.x+=a;this.y+=b;return this};Blockly.utils.Rect=function(a,b,c,d){this.top=a;this.bottom=b;this.left=c;this.right=d};Blockly.utils.Rect.prototype.contains=function(a,b){return a>=this.left&&a<=this.right&&b>=this.top&&b<=this.bottom};Blockly.utils.string={};Blockly.utils.string.startsWith=function(a,b){return 0==a.lastIndexOf(b,0)};Blockly.utils.string.shortestStringLength=function(a){return a.length?a.reduce(function(b,c){return b.length<c.length?b:c}).length:0};
-Blockly.utils.string.commonWordPrefix=function(a,b){if(!a.length)return 0;if(1==a.length)return a[0].length;var c=0;b=b||Blockly.utils.string.shortestStringLength(a);for(var d=0;d<b;d++){for(var e=a[0][d],f=1;f<a.length;f++)if(e!=a[f][d])return c;" "==e&&(c=d+1)}for(f=1;f<a.length;f++)if((e=a[f][d])&&" "!=e)return c;return b};
-Blockly.utils.string.commonWordSuffix=function(a,b){if(!a.length)return 0;if(1==a.length)return a[0].length;var c=0;b=b||Blockly.utils.string.shortestStringLength(a);for(var d=0;d<b;d++){for(var e=a[0].substr(-d-1,1),f=1;f<a.length;f++)if(e!=a[f].substr(-d-1,1))return c;" "==e&&(c=d+1)}for(f=1;f<a.length;f++)if((e=a[f].charAt(a[f].length-d-1))&&" "!=e)return c;return b};Blockly.utils.string.wrap=function(a,b){a=a.split("\n");for(var c=0;c<a.length;c++)a[c]=Blockly.utils.string.wrapLine_(a[c],b);return a.join("\n")};
-Blockly.utils.string.wrapLine_=function(a,b){if(a.length<=b)return a;for(var c=a.trim().split(/\s+/),d=0;d<c.length;d++)c[d].length>b&&(b=c[d].length);d=-Infinity;var e=1;do{var f=d;var g=a;a=[];var h=c.length/e,k=1;for(d=0;d<c.length-1;d++)k<(d+1.5)/h?(k++,a[d]=!0):a[d]=!1;a=Blockly.utils.string.wrapMutate_(c,a,b);d=Blockly.utils.string.wrapScore_(c,a,b);a=Blockly.utils.string.wrapToText_(c,a);e++}while(d>f);return g};
-Blockly.utils.string.wrapScore_=function(a,b,c){for(var d=[0],e=[],f=0;f<a.length;f++)d[d.length-1]+=a[f].length,!0===b[f]?(d.push(0),e.push(a[f].charAt(a[f].length-1))):!1===b[f]&&d[d.length-1]++;a=Math.max.apply(Math,d);for(f=b=0;f<d.length;f++)b-=2*Math.pow(Math.abs(c-d[f]),1.5),b-=Math.pow(a-d[f],1.5),-1!=".?!".indexOf(e[f])?b+=c/3:-1!=",;)]}".indexOf(e[f])&&(b+=c/4);1<d.length&&d[d.length-1]<=d[d.length-2]&&(b+=.5);return b};
-Blockly.utils.string.wrapMutate_=function(a,b,c){for(var d=Blockly.utils.string.wrapScore_(a,b,c),e,f=0;f<b.length-1;f++)if(b[f]!=b[f+1]){var g=[].concat(b);g[f]=!g[f];g[f+1]=!g[f+1];var h=Blockly.utils.string.wrapScore_(a,g,c);h>d&&(d=h,e=g)}return e?Blockly.utils.string.wrapMutate_(a,e,c):b};Blockly.utils.string.wrapToText_=function(a,b){for(var c=[],d=0;d<a.length;d++)c.push(a[d]),void 0!==b[d]&&c.push(b[d]?"\n":" ");return c.join("")};Blockly.utils.Size=function(a,b){this.width=a;this.height=b};Blockly.utils.Size.equals=function(a,b){return a==b?!0:a&&b?a.width==b.width&&a.height==b.height:!1};Blockly.utils.style={};Blockly.utils.style.getSize=function(a){if("none"!=Blockly.utils.style.getStyle_(a,"display"))return Blockly.utils.style.getSizeWithDisplay_(a);var b=a.style,c=b.display,d=b.visibility,e=b.position;b.visibility="hidden";b.position="absolute";b.display="inline";var f=a.offsetWidth;a=a.offsetHeight;b.display=c;b.position=e;b.visibility=d;return new Blockly.utils.Size(f,a)};Blockly.utils.style.getSizeWithDisplay_=function(a){return new Blockly.utils.Size(a.offsetWidth,a.offsetHeight)};
-Blockly.utils.style.getStyle_=function(a,b){return Blockly.utils.style.getComputedStyle(a,b)||Blockly.utils.style.getCascadedStyle(a,b)||a.style&&a.style[b]};Blockly.utils.style.getComputedStyle=function(a,b){return document.defaultView&&document.defaultView.getComputedStyle&&(a=document.defaultView.getComputedStyle(a,null))?a[b]||a.getPropertyValue(b)||"":""};Blockly.utils.style.getCascadedStyle=function(a,b){return a.currentStyle?a.currentStyle[b]:null};
-Blockly.utils.style.getPageOffset=function(a){var b=new Blockly.utils.Coordinate(0,0);a=a.getBoundingClientRect();var c=document.documentElement;c=new Blockly.utils.Coordinate(window.pageXOffset||c.scrollLeft,window.pageYOffset||c.scrollTop);b.x=a.left+c.x;b.y=a.top+c.y;return b};Blockly.utils.style.getViewportPageOffset=function(){var a=document.body,b=document.documentElement;return new Blockly.utils.Coordinate(a.scrollLeft||b.scrollLeft,a.scrollTop||b.scrollTop)};
-Blockly.utils.style.setElementShown=function(a,b){a.style.display=b?"":"none"};Blockly.utils.style.isRightToLeft=function(a){return"rtl"==Blockly.utils.style.getStyle_(a,"direction")};
-Blockly.utils.style.getBorderBox=function(a){var b=Blockly.utils.style.getComputedStyle(a,"borderLeftWidth"),c=Blockly.utils.style.getComputedStyle(a,"borderRightWidth"),d=Blockly.utils.style.getComputedStyle(a,"borderTopWidth");a=Blockly.utils.style.getComputedStyle(a,"borderBottomWidth");return{top:parseFloat(d),right:parseFloat(c),bottom:parseFloat(a),left:parseFloat(b)}};
-Blockly.utils.style.scrollIntoContainerView=function(a,b,c){a=Blockly.utils.style.getContainerOffsetToScrollInto(a,b,c);b.scrollLeft=a.x;b.scrollTop=a.y};
-Blockly.utils.style.getContainerOffsetToScrollInto=function(a,b,c){var d=Blockly.utils.style.getPageOffset(a),e=Blockly.utils.style.getPageOffset(b),f=Blockly.utils.style.getBorderBox(b),g=d.x-e.x-f.left;d=d.y-e.y-f.top;e=Blockly.utils.style.getSizeWithDisplay_(a);a=b.clientWidth-e.width;e=b.clientHeight-e.height;f=b.scrollLeft;b=b.scrollTop;c?(f+=g-a/2,b+=d-e/2):(f+=Math.min(g,Math.max(g-a,0)),b+=Math.min(d,Math.max(d-e,0)));return new Blockly.utils.Coordinate(f,b)};Blockly.utils.userAgent={};
-(function(a){function b(d){return-1!=c.indexOf(d.toUpperCase())}Blockly.utils.userAgent.raw=a;var c=Blockly.utils.userAgent.raw.toUpperCase();Blockly.utils.userAgent.IE=b("Trident")||b("MSIE");Blockly.utils.userAgent.EDGE=b("Edge");Blockly.utils.userAgent.JAVA_FX=b("JavaFX");Blockly.utils.userAgent.CHROME=(b("Chrome")||b("CriOS"))&&!Blockly.utils.userAgent.EDGE;Blockly.utils.userAgent.WEBKIT=b("WebKit")&&!Blockly.utils.userAgent.EDGE;Blockly.utils.userAgent.GECKO=b("Gecko")&&!Blockly.utils.userAgent.WEBKIT&&
-!Blockly.utils.userAgent.IE&&!Blockly.utils.userAgent.EDGE;Blockly.utils.userAgent.ANDROID=b("Android");Blockly.utils.userAgent.IPAD=b("iPad");Blockly.utils.userAgent.IPOD=b("iPod");Blockly.utils.userAgent.IPHONE=b("iPhone")&&!Blockly.utils.userAgent.IPAD&&!Blockly.utils.userAgent.IPOD;Blockly.utils.userAgent.MAC=b("Macintosh");Blockly.utils.userAgent.TABLET=Blockly.utils.userAgent.IPAD||Blockly.utils.userAgent.ANDROID&&!b("Mobile")||b("Silk");Blockly.utils.userAgent.MOBILE=!Blockly.utils.userAgent.TABLET&&
-(Blockly.utils.userAgent.IPOD||Blockly.utils.userAgent.IPHONE||Blockly.utils.userAgent.ANDROID||b("IEMobile"))})(Blockly.utils.global.navigator&&Blockly.utils.global.navigator.userAgent||"");Blockly.utils.noEvent=function(a){a.preventDefault();a.stopPropagation()};Blockly.utils.isTargetInput=function(a){return"textarea"==a.target.type||"text"==a.target.type||"number"==a.target.type||"email"==a.target.type||"password"==a.target.type||"search"==a.target.type||"tel"==a.target.type||"url"==a.target.type||a.target.isContentEditable||a.target.dataset&&"true"==a.target.dataset.isTextInput};
-Blockly.utils.getRelativeXY=function(a){var b=new Blockly.utils.Coordinate(0,0),c=a.getAttribute("x");c&&(b.x=parseInt(c,10));if(c=a.getAttribute("y"))b.y=parseInt(c,10);if(c=(c=a.getAttribute("transform"))&&c.match(Blockly.utils.getRelativeXY.XY_REGEX_))b.x+=Number(c[1]),c[3]&&(b.y+=Number(c[3]));(a=a.getAttribute("style"))&&-1<a.indexOf("translate")&&(a=a.match(Blockly.utils.getRelativeXY.XY_STYLE_REGEX_))&&(b.x+=Number(a[1]),a[3]&&(b.y+=Number(a[3])));return b};
-Blockly.utils.getInjectionDivXY_=function(a){for(var b=0,c=0;a;){var d=Blockly.utils.getRelativeXY(a);b+=d.x;c+=d.y;if(-1!=(" "+(a.getAttribute("class")||"")+" ").indexOf(" injectionDiv "))break;a=a.parentNode}return new Blockly.utils.Coordinate(b,c)};Blockly.utils.getRelativeXY.XY_REGEX_=/translate\(\s*([-+\d.e]+)([ ,]\s*([-+\d.e]+)\s*)?/;Blockly.utils.getRelativeXY.XY_STYLE_REGEX_=/transform:\s*translate(?:3d)?\(\s*([-+\d.e]+)\s*px([ ,]\s*([-+\d.e]+)\s*px)?/;
-Blockly.utils.isRightButton=function(a){return a.ctrlKey&&Blockly.utils.userAgent.MAC?!0:2==a.button};Blockly.utils.mouseToSvg=function(a,b,c){var d=b.createSVGPoint();d.x=a.clientX;d.y=a.clientY;c||(c=b.getScreenCTM().inverse());return d.matrixTransform(c)};
-Blockly.utils.getScrollDeltaPixels=function(a){switch(a.deltaMode){default:return{x:a.deltaX,y:a.deltaY};case 1:return{x:a.deltaX*Blockly.LINE_MODE_MULTIPLIER,y:a.deltaY*Blockly.LINE_MODE_MULTIPLIER};case 2:return{x:a.deltaX*Blockly.PAGE_MODE_MULTIPLIER,y:a.deltaY*Blockly.PAGE_MODE_MULTIPLIER}}};Blockly.utils.tokenizeInterpolation=function(a){return Blockly.utils.tokenizeInterpolation_(a,!0)};
-Blockly.utils.replaceMessageReferences=function(a){if("string"!=typeof a)return a;a=Blockly.utils.tokenizeInterpolation_(a,!1);return a.length?String(a[0]):""};Blockly.utils.checkMessageReferences=function(a){for(var b=!0,c=Blockly.Msg,d=a.match(/%{BKY_[A-Z]\w*}/ig),e=0;e<d.length;e++){var f=d[e].toUpperCase();void 0==c[f.slice(6,-1)]&&(console.warn("No message string for "+d[e]+" in "+a),b=!1)}return b};
-Blockly.utils.tokenizeInterpolation_=function(a,b){var c=[],d=a.split("");d.push("");var e=0;a=[];for(var f=null,g=0;g<d.length;g++){var h=d[g];0==e?"%"==h?((h=a.join(""))&&c.push(h),a.length=0,e=1):a.push(h):1==e?"%"==h?(a.push(h),e=0):b&&"0"<=h&&"9">=h?(e=2,f=h,(h=a.join(""))&&c.push(h),a.length=0):"{"==h?e=3:(a.push("%",h),e=0):2==e?"0"<=h&&"9">=h?f+=h:(c.push(parseInt(f,10)),g--,e=0):3==e&&(""==h?(a.splice(0,0,"%{"),g--,e=0):"}"!=h?a.push(h):(e=a.join(""),/[A-Z]\w*/i.test(e)?(h=e.toUpperCase(),
-(h=Blockly.utils.string.startsWith(h,"BKY_")?h.substring(4):null)&&h in Blockly.Msg?(e=Blockly.Msg[h],"string"==typeof e?Array.prototype.push.apply(c,Blockly.utils.tokenizeInterpolation_(e,b)):b?c.push(String(e)):c.push(e)):c.push("%{"+e+"}")):c.push("%{"+e+"}"),e=a.length=0))}(h=a.join(""))&&c.push(h);b=[];for(g=a.length=0;g<c.length;++g)"string"==typeof c[g]?a.push(c[g]):((h=a.join(""))&&b.push(h),a.length=0,b.push(c[g]));(h=a.join(""))&&b.push(h);a.length=0;return b};
-Blockly.utils.genUid=function(){for(var a=Blockly.utils.genUid.soup_.length,b=[],c=0;20>c;c++)b[c]=Blockly.utils.genUid.soup_.charAt(Math.random()*a);return b.join("")};Blockly.utils.genUid.soup_="!#$%()*+,-./:;=?@[]^_`{|}~ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
-Blockly.utils.is3dSupported=function(){if(void 0!==Blockly.utils.is3dSupported.cached_)return Blockly.utils.is3dSupported.cached_;if(!Blockly.utils.global.getComputedStyle)return!1;var a=document.createElement("p"),b="none",c={webkitTransform:"-webkit-transform",OTransform:"-o-transform",msTransform:"-ms-transform",MozTransform:"-moz-transform",transform:"transform"};document.body.insertBefore(a,null);for(var d in c)if(void 0!==a.style[d]){a.style[d]="translate3d(1px,1px,1px)";b=Blockly.utils.global.getComputedStyle(a);
-if(!b)return document.body.removeChild(a),!1;b=b.getPropertyValue(c[d])}document.body.removeChild(a);Blockly.utils.is3dSupported.cached_="none"!==b;return Blockly.utils.is3dSupported.cached_};Blockly.utils.runAfterPageLoad=function(a){if("object"!=typeof document)throw Error("Blockly.utils.runAfterPageLoad() requires browser document.");if("complete"==document.readyState)a();else var b=setInterval(function(){"complete"==document.readyState&&(clearInterval(b),a())},10)};
-Blockly.utils.getViewportBBox=function(){var a=Blockly.utils.style.getViewportPageOffset();return new Blockly.utils.Rect(a.y,document.documentElement.clientHeight+a.y,a.x,document.documentElement.clientWidth+a.x)};Blockly.utils.arrayRemove=function(a,b){b=a.indexOf(b);if(-1==b)return!1;a.splice(b,1);return!0};
-Blockly.utils.getDocumentScroll=function(){var a=document.documentElement,b=window;return Blockly.utils.userAgent.IE&&b.pageYOffset!=a.scrollTop?new Blockly.utils.Coordinate(a.scrollLeft,a.scrollTop):new Blockly.utils.Coordinate(b.pageXOffset||a.scrollLeft,b.pageYOffset||a.scrollTop)};Blockly.utils.getBlockTypeCounts=function(a,b){var c=Object.create(null),d=a.getDescendants(!0);b&&(a=a.getNextBlock())&&(a=d.indexOf(a),d.splice(a,d.length-a));for(a=0;b=d[a];a++)c[b.type]?c[b.type]++:c[b.type]=1;return c};
-Blockly.utils.screenToWsCoordinates=function(a,b){var c=b.x;b=b.y;var d=a.getInjectionDiv().getBoundingClientRect();c=new Blockly.utils.Coordinate(c-d.left,b-d.top);b=a.getOriginOffsetInPixels();return Blockly.utils.Coordinate.difference(c,b).scale(1/a.scale)};
-Blockly.utils.parseBlockColour=function(a){var b="string"==typeof a?Blockly.utils.replaceMessageReferences(a):a,c=Number(b);if(!isNaN(c)&&0<=c&&360>=c)return{hue:c,hex:Blockly.utils.colour.hsvToHex(c,Blockly.HSV_SATURATION,255*Blockly.HSV_VALUE)};if(c=Blockly.utils.colour.parse(b))return{hue:null,hex:c};c='Invalid colour: "'+b+'"';a!=b&&(c+=' (from "'+a+'")');throw Error(c);};Blockly.Events={};Blockly.Events.group_="";Blockly.Events.recordUndo=!0;Blockly.Events.disabled_=0;Blockly.Events.CREATE="create";Blockly.Events.BLOCK_CREATE=Blockly.Events.CREATE;Blockly.Events.DELETE="delete";Blockly.Events.BLOCK_DELETE=Blockly.Events.DELETE;Blockly.Events.CHANGE="change";Blockly.Events.BLOCK_CHANGE=Blockly.Events.CHANGE;Blockly.Events.MOVE="move";Blockly.Events.BLOCK_MOVE=Blockly.Events.MOVE;Blockly.Events.VAR_CREATE="var_create";Blockly.Events.VAR_DELETE="var_delete";
-Blockly.Events.VAR_RENAME="var_rename";Blockly.Events.UI="ui";Blockly.Events.COMMENT_CREATE="comment_create";Blockly.Events.COMMENT_DELETE="comment_delete";Blockly.Events.COMMENT_CHANGE="comment_change";Blockly.Events.COMMENT_MOVE="comment_move";Blockly.Events.FINISHED_LOADING="finished_loading";Blockly.Events.BUMP_EVENTS=[Blockly.Events.BLOCK_CREATE,Blockly.Events.BLOCK_MOVE,Blockly.Events.COMMENT_CREATE,Blockly.Events.COMMENT_MOVE];Blockly.Events.FIRE_QUEUE_=[];
-Blockly.Events.fire=function(a){Blockly.Events.isEnabled()&&(Blockly.Events.FIRE_QUEUE_.length||setTimeout(Blockly.Events.fireNow_,0),Blockly.Events.FIRE_QUEUE_.push(a))};Blockly.Events.fireNow_=function(){for(var a=Blockly.Events.filter(Blockly.Events.FIRE_QUEUE_,!0),b=Blockly.Events.FIRE_QUEUE_.length=0,c;c=a[b];b++)if(c.workspaceId){var d=Blockly.Workspace.getById(c.workspaceId);d&&d.fireChangeListener(c)}};
-Blockly.Events.filter=function(a,b){a=a.slice();b||a.reverse();for(var c=[],d=Object.create(null),e=0,f;f=a[e];e++)if(!f.isNull()){var g=[f.type,f.blockId,f.workspaceId].join(" "),h=d[g],k=h?h.event:null;if(!h)d[g]={event:f,index:e},c.push(f);else if(f.type==Blockly.Events.MOVE&&h.index==e-1)k.newParentId=f.newParentId,k.newInputName=f.newInputName,k.newCoordinate=f.newCoordinate,h.index=e;else if(f.type==Blockly.Events.CHANGE&&f.element==k.element&&f.name==k.name)k.newValue=f.newValue;else if(f.type!=
-Blockly.Events.UI||"click"!=f.element||"commentOpen"!=k.element&&"mutatorOpen"!=k.element&&"warningOpen"!=k.element)d[g]={event:f,index:1},c.push(f)}a=c.filter(function(l){return!l.isNull()});b||a.reverse();for(e=1;f=a[e];e++)f.type==Blockly.Events.CHANGE&&"mutation"==f.element&&a.unshift(a.splice(e,1)[0]);return a};Blockly.Events.clearPendingUndo=function(){for(var a=0,b;b=Blockly.Events.FIRE_QUEUE_[a];a++)b.recordUndo=!1};Blockly.Events.disable=function(){Blockly.Events.disabled_++};
-Blockly.Events.enable=function(){Blockly.Events.disabled_--};Blockly.Events.isEnabled=function(){return 0==Blockly.Events.disabled_};Blockly.Events.getGroup=function(){return Blockly.Events.group_};Blockly.Events.setGroup=function(a){Blockly.Events.group_="boolean"==typeof a?a?Blockly.utils.genUid():"":a};Blockly.Events.getDescendantIds=function(a){var b=[];a=a.getDescendants(!1);for(var c=0,d;d=a[c];c++)b[c]=d.id;return b};
-Blockly.Events.fromJson=function(a,b){var c=Blockly.registry.getClass(Blockly.registry.Type.EVENT,a.type);if(!c)throw Error("Unknown event type.");c=new c;c.fromJson(a);c.workspaceId=b.id;return c};
-Blockly.Events.disableOrphans=function(a){if((a.type==Blockly.Events.MOVE||a.type==Blockly.Events.CREATE)&&a.workspaceId){var b=Blockly.Workspace.getById(a.workspaceId);if(a=b.getBlockById(a.blockId)){var c=a.getParent();if(c&&c.isEnabled())for(b=a.getDescendants(!1),a=0;c=b[a];a++)c.setEnabled(!0);else if((a.outputConnection||a.previousConnection)&&!b.isDragging()){do a.setEnabled(!1),a=a.getNextBlock();while(a)}}}};Blockly.Events.Abstract=function(){this.isBlank=null;this.workspaceId=void 0;this.group=Blockly.Events.getGroup();this.recordUndo=Blockly.Events.recordUndo};Blockly.Events.Abstract.prototype.toJson=function(){var a={type:this.type};this.group&&(a.group=this.group);return a};Blockly.Events.Abstract.prototype.fromJson=function(a){this.isBlank=!1;this.group=a.group};Blockly.Events.Abstract.prototype.isNull=function(){return!1};Blockly.Events.Abstract.prototype.run=function(a){};
-Blockly.Events.Abstract.prototype.getEventWorkspace_=function(){if(this.workspaceId)var a=Blockly.Workspace.getById(this.workspaceId);if(!a)throw Error("Workspace is null. Event must have been generated from real Blockly events.");return a};Blockly.utils.object={};Blockly.utils.object.inherits=function(a,b){a.superClass_=b.prototype;a.prototype=Object.create(b.prototype);a.prototype.constructor=a};Blockly.utils.object.mixin=function(a,b){for(var c in b)a[c]=b[c]};Blockly.utils.object.deepMerge=function(a,b){for(var c in b)a[c]=null!=b[c]&&"object"===typeof b[c]?Blockly.utils.object.deepMerge(a[c]||Object.create(null),b[c]):b[c];return a};Blockly.utils.object.values=function(a){return Object.values?Object.values(a):Object.keys(a).map(function(b){return a[b]})};Blockly.Events.Ui=function(a,b,c,d){Blockly.Events.Ui.superClass_.constructor.call(this);this.isBlank="undefined"==typeof a;this.blockId=a?a.id:null;this.workspaceId=a?a.workspace.id:void 0;this.element="undefined"==typeof b?"":b;this.oldValue="undefined"==typeof c?"":c;this.newValue="undefined"==typeof d?"":d;this.recordUndo=!1};Blockly.utils.object.inherits(Blockly.Events.Ui,Blockly.Events.Abstract);Blockly.Events.Ui.prototype.type=Blockly.Events.UI;
-Blockly.Events.Ui.prototype.toJson=function(){var a=Blockly.Events.Ui.superClass_.toJson.call(this);a.element=this.element;void 0!==this.newValue&&(a.newValue=this.newValue);this.blockId&&(a.blockId=this.blockId);return a};Blockly.Events.Ui.prototype.fromJson=function(a){Blockly.Events.Ui.superClass_.fromJson.call(this,a);this.element=a.element;this.newValue=a.newValue;this.blockId=a.blockId};Blockly.registry.register(Blockly.registry.Type.EVENT,Blockly.Events.UI,Blockly.Events.Ui);Blockly.utils.Svg=function(a){this.tagName_=a};Blockly.utils.Svg.prototype.toString=function(){return this.tagName_};Blockly.utils.Svg.ANIMATE=new Blockly.utils.Svg("animate");Blockly.utils.Svg.CIRCLE=new Blockly.utils.Svg("circle");Blockly.utils.Svg.CLIPPATH=new Blockly.utils.Svg("clipPath");Blockly.utils.Svg.DEFS=new Blockly.utils.Svg("defs");Blockly.utils.Svg.FECOMPOSITE=new Blockly.utils.Svg("feComposite");Blockly.utils.Svg.FECOMPONENTTRANSFER=new Blockly.utils.Svg("feComponentTransfer");
-Blockly.utils.Svg.FEFLOOD=new Blockly.utils.Svg("feFlood");Blockly.utils.Svg.FEFUNCA=new Blockly.utils.Svg("feFuncA");Blockly.utils.Svg.FEGAUSSIANBLUR=new Blockly.utils.Svg("feGaussianBlur");Blockly.utils.Svg.FEPOINTLIGHT=new Blockly.utils.Svg("fePointLight");Blockly.utils.Svg.FESPECULARLIGHTING=new Blockly.utils.Svg("feSpecularLighting");Blockly.utils.Svg.FILTER=new Blockly.utils.Svg("filter");Blockly.utils.Svg.FOREIGNOBJECT=new Blockly.utils.Svg("foreignObject");Blockly.utils.Svg.G=new Blockly.utils.Svg("g");
-Blockly.utils.Svg.IMAGE=new Blockly.utils.Svg("image");Blockly.utils.Svg.LINE=new Blockly.utils.Svg("line");Blockly.utils.Svg.PATH=new Blockly.utils.Svg("path");Blockly.utils.Svg.PATTERN=new Blockly.utils.Svg("pattern");Blockly.utils.Svg.POLYGON=new Blockly.utils.Svg("polygon");Blockly.utils.Svg.RECT=new Blockly.utils.Svg("rect");Blockly.utils.Svg.SVG=new Blockly.utils.Svg("svg");Blockly.utils.Svg.TEXT=new Blockly.utils.Svg("text");Blockly.utils.Svg.TSPAN=new Blockly.utils.Svg("tspan");Blockly.utils.dom={};Blockly.utils.dom.SVG_NS="http://www.w3.org/2000/svg";Blockly.utils.dom.HTML_NS="http://www.w3.org/1999/xhtml";Blockly.utils.dom.XLINK_NS="http://www.w3.org/1999/xlink";Blockly.utils.dom.NodeType={ELEMENT_NODE:1,TEXT_NODE:3,COMMENT_NODE:8,DOCUMENT_POSITION_CONTAINED_BY:16};Blockly.utils.dom.cacheWidths_=null;Blockly.utils.dom.cacheReference_=0;Blockly.utils.dom.canvasContext_=null;
-Blockly.utils.dom.createSvgElement=function(a,b,c){a=document.createElementNS(Blockly.utils.dom.SVG_NS,String(a));for(var d in b)a.setAttribute(d,b[d]);document.body.runtimeStyle&&(a.runtimeStyle=a.currentStyle=a.style);c&&c.appendChild(a);return a};Blockly.utils.dom.addClass=function(a,b){var c=a.getAttribute("class")||"";if(-1!=(" "+c+" ").indexOf(" "+b+" "))return!1;c&&(c+=" ");a.setAttribute("class",c+b);return!0};
-Blockly.utils.dom.removeClasses=function(a,b){b=b.split(" ");for(var c=0;c<b.length;c++)Blockly.utils.dom.removeClass(a,b[c])};Blockly.utils.dom.removeClass=function(a,b){var c=a.getAttribute("class");if(-1==(" "+c+" ").indexOf(" "+b+" "))return!1;c=c.split(/\s+/);for(var d=0;d<c.length;d++)c[d]&&c[d]!=b||(c.splice(d,1),d--);c.length?a.setAttribute("class",c.join(" ")):a.removeAttribute("class");return!0};
-Blockly.utils.dom.hasClass=function(a,b){return-1!=(" "+a.getAttribute("class")+" ").indexOf(" "+b+" ")};Blockly.utils.dom.removeNode=function(a){return a&&a.parentNode?a.parentNode.removeChild(a):null};Blockly.utils.dom.insertAfter=function(a,b){var c=b.nextSibling;b=b.parentNode;if(!b)throw Error("Reference node has no parent.");c?b.insertBefore(a,c):b.appendChild(a)};Blockly.utils.dom.containsNode=function(a,b){return!!(a.compareDocumentPosition(b)&Blockly.utils.dom.NodeType.DOCUMENT_POSITION_CONTAINED_BY)};
-Blockly.utils.dom.setCssTransform=function(a,b){a.style.transform=b;a.style["-webkit-transform"]=b};Blockly.utils.dom.startTextWidthCache=function(){Blockly.utils.dom.cacheReference_++;Blockly.utils.dom.cacheWidths_||(Blockly.utils.dom.cacheWidths_={})};Blockly.utils.dom.stopTextWidthCache=function(){Blockly.utils.dom.cacheReference_--;Blockly.utils.dom.cacheReference_||(Blockly.utils.dom.cacheWidths_=null)};
-Blockly.utils.dom.getTextWidth=function(a){var b=a.textContent+"\n"+a.className.baseVal,c;if(Blockly.utils.dom.cacheWidths_&&(c=Blockly.utils.dom.cacheWidths_[b]))return c;try{c=Blockly.utils.userAgent.IE||Blockly.utils.userAgent.EDGE?a.getBBox().width:a.getComputedTextLength()}catch(d){return 8*a.textContent.length}Blockly.utils.dom.cacheWidths_&&(Blockly.utils.dom.cacheWidths_[b]=c);return c};
-Blockly.utils.dom.getFastTextWidth=function(a,b,c,d){return Blockly.utils.dom.getFastTextWidthWithSizeString(a,b+"pt",c,d)};
-Blockly.utils.dom.getFastTextWidthWithSizeString=function(a,b,c,d){var e=a.textContent;a=e+"\n"+a.className.baseVal;var f;if(Blockly.utils.dom.cacheWidths_&&(f=Blockly.utils.dom.cacheWidths_[a]))return f;Blockly.utils.dom.canvasContext_||(f=document.createElement("canvas"),f.className="blocklyComputeCanvas",document.body.appendChild(f),Blockly.utils.dom.canvasContext_=f.getContext("2d"));Blockly.utils.dom.canvasContext_.font=c+" "+b+" "+d;f=Blockly.utils.dom.canvasContext_.measureText(e).width;Blockly.utils.dom.cacheWidths_&&
-(Blockly.utils.dom.cacheWidths_[a]=f);return f};
-Blockly.utils.dom.measureFontMetrics=function(a,b,c,d){var e=document.createElement("span");e.style.font=c+" "+b+" "+d;e.textContent=a;a=document.createElement("div");a.style.width="1px";a.style.height="0px";b=document.createElement("div");b.setAttribute("style","position: fixed; top: 0; left: 0; display: flex;");b.appendChild(e);b.appendChild(a);document.body.appendChild(b);try{c={},b.style.alignItems="baseline",c.baseline=a.offsetTop-e.offsetTop,b.style.alignItems="flex-end",c.height=a.offsetTop-
-e.offsetTop}finally{document.body.removeChild(b)}return c};Blockly.BlockDragSurfaceSvg=function(a){this.container_=a;this.createDom()};Blockly.BlockDragSurfaceSvg.prototype.SVG_=null;Blockly.BlockDragSurfaceSvg.prototype.dragGroup_=null;Blockly.BlockDragSurfaceSvg.prototype.container_=null;Blockly.BlockDragSurfaceSvg.prototype.scale_=1;Blockly.BlockDragSurfaceSvg.prototype.surfaceXY_=null;
-Blockly.BlockDragSurfaceSvg.prototype.createDom=function(){this.SVG_||(this.SVG_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.SVG,{xmlns:Blockly.utils.dom.SVG_NS,"xmlns:html":Blockly.utils.dom.HTML_NS,"xmlns:xlink":Blockly.utils.dom.XLINK_NS,version:"1.1","class":"blocklyBlockDragSurface"},this.container_),this.dragGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{},this.SVG_))};
-Blockly.BlockDragSurfaceSvg.prototype.setBlocksAndShow=function(a){if(this.dragGroup_.childNodes.length)throw Error("Already dragging a block.");this.dragGroup_.appendChild(a);this.SVG_.style.display="block";this.surfaceXY_=new Blockly.utils.Coordinate(0,0)};Blockly.BlockDragSurfaceSvg.prototype.translateAndScaleGroup=function(a,b,c){this.scale_=c;a=a.toFixed(0);b=b.toFixed(0);this.dragGroup_.setAttribute("transform","translate("+a+","+b+") scale("+c+")")};
-Blockly.BlockDragSurfaceSvg.prototype.translateSurfaceInternal_=function(){var a=this.surfaceXY_.x,b=this.surfaceXY_.y;a=a.toFixed(0);b=b.toFixed(0);this.SVG_.style.display="block";Blockly.utils.dom.setCssTransform(this.SVG_,"translate3d("+a+"px, "+b+"px, 0px)")};Blockly.BlockDragSurfaceSvg.prototype.translateSurface=function(a,b){this.surfaceXY_=new Blockly.utils.Coordinate(a*this.scale_,b*this.scale_);this.translateSurfaceInternal_()};
-Blockly.BlockDragSurfaceSvg.prototype.getSurfaceTranslation=function(){var a=Blockly.utils.getRelativeXY(this.SVG_);return new Blockly.utils.Coordinate(a.x/this.scale_,a.y/this.scale_)};Blockly.BlockDragSurfaceSvg.prototype.getGroup=function(){return this.dragGroup_};Blockly.BlockDragSurfaceSvg.prototype.getCurrentBlock=function(){return this.dragGroup_.firstChild};
-Blockly.BlockDragSurfaceSvg.prototype.clearAndHide=function(a){a?a.appendChild(this.getCurrentBlock()):this.dragGroup_.removeChild(this.getCurrentBlock());this.SVG_.style.display="none";if(this.dragGroup_.childNodes.length)throw Error("Drag group was not cleared.");this.surfaceXY_=null};Blockly.utils.IdGenerator={};Blockly.utils.IdGenerator.nextId_=0;Blockly.utils.IdGenerator.getNextUniqueId=function(){return"blockly-"+(Blockly.utils.IdGenerator.nextId_++).toString(36)};Blockly.Component=function(){this.rightToLeft_=Blockly.Component.defaultRightToLeft;this.id_=null;this.inDocument_=!1;this.parent_=this.element_=null;this.children_=[];this.childIndex_={};this.disposed_=!1};Blockly.Component.defaultRightToLeft=!1;Blockly.Component.Error={ALREADY_RENDERED:"Component already rendered",PARENT_UNABLE_TO_BE_SET:"Unable to set parent component",CHILD_INDEX_OUT_OF_BOUNDS:"Child component index out of bounds",ABSTRACT_METHOD:"Unimplemented abstract method"};
-Blockly.Component.prototype.getId=function(){return this.id_||(this.id_=Blockly.utils.IdGenerator.getNextUniqueId())};Blockly.Component.prototype.getElement=function(){return this.element_};Blockly.Component.prototype.setElementInternal=function(a){this.element_=a};
-Blockly.Component.prototype.setParent=function(a){if(this==a)throw Error(Blockly.Component.Error.PARENT_UNABLE_TO_BE_SET);if(a&&this.parent_&&this.id_&&this.parent_.getChild(this.id_)&&this.parent_!=a)throw Error(Blockly.Component.Error.PARENT_UNABLE_TO_BE_SET);this.parent_=a};Blockly.Component.prototype.getParent=function(){return this.parent_};Blockly.Component.prototype.isInDocument=function(){return this.inDocument_};
-Blockly.Component.prototype.createDom=function(){throw Error(Blockly.Component.Error.ABSTRACT_METHOD);};Blockly.Component.prototype.render=function(a){this.render_(a)};Blockly.Component.prototype.render_=function(a,b){if(this.inDocument_)throw Error(Blockly.Component.Error.ALREADY_RENDERED);this.element_||this.createDom();a?a.insertBefore(this.element_,b||null):document.body.appendChild(this.element_);this.parent_&&!this.parent_.isInDocument()||this.enterDocument()};
-Blockly.Component.prototype.enterDocument=function(){this.inDocument_=!0;this.forEachChild(function(a){!a.isInDocument()&&a.getElement()&&a.enterDocument()})};Blockly.Component.prototype.exitDocument=function(){this.forEachChild(function(a){a.isInDocument()&&a.exitDocument()});this.inDocument_=!1};Blockly.Component.prototype.dispose=function(){this.disposed_||(this.disposed_=!0,this.disposeInternal())};
-Blockly.Component.prototype.disposeInternal=function(){this.inDocument_&&this.exitDocument();this.forEachChild(function(a){a.dispose()});this.element_&&Blockly.utils.dom.removeNode(this.element_);this.parent_=this.element_=this.childIndex_=this.children_=null};Blockly.Component.prototype.addChild=function(a,b){this.addChildAt(a,this.getChildCount(),b)};
-Blockly.Component.prototype.addChildAt=function(a,b,c){if(a.inDocument_&&(c||!this.inDocument_))throw Error(Blockly.Component.Error.ALREADY_RENDERED);if(0>b||b>this.getChildCount())throw Error(Blockly.Component.Error.CHILD_INDEX_OUT_OF_BOUNDS);this.childIndex_[a.getId()]=a;if(a.getParent()==this){var d=this.children_.indexOf(a);-1<d&&this.children_.splice(d,1)}a.setParent(this);this.children_.splice(b,0,a);a.inDocument_&&this.inDocument_&&a.getParent()==this?(c=this.getContentElement(),b=c.childNodes[b]||
-null,b!=a.getElement()&&c.insertBefore(a.getElement(),b)):c?(this.element_||this.createDom(),b=this.getChildAt(b+1),a.render_(this.getContentElement(),b?b.element_:null)):this.inDocument_&&!a.inDocument_&&a.element_&&a.element_.parentNode&&a.element_.parentNode.nodeType==Blockly.utils.dom.NodeType.ELEMENT_NODE&&a.enterDocument()};Blockly.Component.prototype.getContentElement=function(){return this.element_};Blockly.Component.prototype.hasChildren=function(){return 0!=this.children_.length};
-Blockly.Component.prototype.getChildCount=function(){return this.children_.length};Blockly.Component.prototype.getChild=function(a){return a?this.childIndex_[a]||null:null};Blockly.Component.prototype.getChildAt=function(a){return this.children_[a]||null};Blockly.Component.prototype.forEachChild=function(a,b){for(var c=0;c<this.children_.length;c++)a.call(b,this.children_[c],c)};Blockly.Css={};Blockly.Css.injected_=!1;Blockly.Css.register=function(a){if(Blockly.Css.injected_)throw Error("CSS already injected");Array.prototype.push.apply(Blockly.Css.CONTENT,a);a.length=0};
-Blockly.Css.inject=function(a,b){if(!Blockly.Css.injected_){Blockly.Css.injected_=!0;var c=Blockly.Css.CONTENT.join("\n");Blockly.Css.CONTENT.length=0;a&&(a=b.replace(/[\\/]$/,""),c=c.replace(/<<<PATH>>>/g,a),a=document.createElement("style"),a.id="blockly-common-style",c=document.createTextNode(c),a.appendChild(c),document.head.insertBefore(a,document.head.firstChild))}};
-Blockly.Css.CONTENT=[".blocklySvg {","background-color: #fff;","outline: none;","overflow: hidden;","position: absolute;","display: block;","}",".blocklyWidgetDiv {","display: none;","position: absolute;","z-index: 99999;","}",".injectionDiv {","height: 100%;","position: relative;","overflow: hidden;","touch-action: none;","}",".blocklyNonSelectable {","user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","}",".blocklyWsDragSurface {","display: none;","position: absolute;","top: 0;",
-"left: 0;","}",".blocklyWsDragSurface.blocklyOverflowVisible {","overflow: visible;","}",".blocklyBlockDragSurface {","display: none;","position: absolute;","top: 0;","left: 0;","right: 0;","bottom: 0;","overflow: visible !important;","z-index: 50;","}",".blocklyBlockCanvas.blocklyCanvasTransitioning,",".blocklyBubbleCanvas.blocklyCanvasTransitioning {","transition: transform .5s;","}",".blocklyTooltipDiv {","background-color: #ffffc7;","border: 1px solid #ddc;","box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);",
-"color: #000;","display: none;","font: 9pt sans-serif;","opacity: .9;","padding: 2px;","position: absolute;","z-index: 100000;","}",".blocklyDropDownDiv {","position: absolute;","left: 0;","top: 0;","z-index: 1000;","display: none;","border: 1px solid;","border-color: #dadce0;","background-color: #fff;","border-radius: 2px;","padding: 4px;","box-shadow: 0 0 3px 1px rgba(0,0,0,.3);","}",".blocklyDropDownDiv.blocklyFocused {","box-shadow: 0 0 6px 1px rgba(0,0,0,.3);","}",".blocklyDropDownContent {",
-"max-height: 300px;","overflow: auto;","overflow-x: hidden;","position: relative;","}",".blocklyDropDownArrow {","position: absolute;","left: 0;","top: 0;","width: 16px;","height: 16px;","z-index: -1;","background-color: inherit;","border-color: inherit;","}",".blocklyDropDownButton {","display: inline-block;","float: left;","padding: 0;","margin: 4px;","border-radius: 4px;","outline: none;","border: 1px solid;","transition: box-shadow .1s;","cursor: pointer;","}",".blocklyArrowTop {","border-top: 1px solid;",
-"border-left: 1px solid;","border-top-left-radius: 4px;","border-color: inherit;","}",".blocklyArrowBottom {","border-bottom: 1px solid;","border-right: 1px solid;","border-bottom-right-radius: 4px;","border-color: inherit;","}",".blocklyResizeSE {","cursor: se-resize;","fill: #aaa;","}",".blocklyResizeSW {","cursor: sw-resize;","fill: #aaa;","}",".blocklyResizeLine {","stroke: #515A5A;","stroke-width: 1;","}",".blocklyHighlightedConnectionPath {","fill: none;","stroke: #fc3;","stroke-width: 4px;",
-"}",".blocklyPathLight {","fill: none;","stroke-linecap: round;","stroke-width: 1;","}",".blocklySelected>.blocklyPathLight {","display: none;","}",".blocklyDraggable {",'cursor: url("<<<PATH>>>/handopen.cur"), auto;',"cursor: grab;","cursor: -webkit-grab;","}",".blocklyDragging {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDraggable:active {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;",
-"}",".blocklyBlockDragSurface .blocklyDraggable {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyDragging.blocklyDraggingDelete {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyDragging>.blocklyPath,",".blocklyDragging>.blocklyPathLight {","fill-opacity: .8;","stroke-opacity: .8;","}",".blocklyDragging>.blocklyPathDark {","display: none;","}",".blocklyDisabled>.blocklyPath {","fill-opacity: .5;","stroke-opacity: .5;",
-"}",".blocklyDisabled>.blocklyPathLight,",".blocklyDisabled>.blocklyPathDark {","display: none;","}",".blocklyInsertionMarker>.blocklyPath,",".blocklyInsertionMarker>.blocklyPathLight,",".blocklyInsertionMarker>.blocklyPathDark {","fill-opacity: .2;","stroke: none;","}",".blocklyMultilineText {","font-family: monospace;","}",".blocklyNonEditableText>text {","pointer-events: none;","}",".blocklyFlyout {","position: absolute;","z-index: 20;","}",".blocklyText text {","cursor: default;","}",".blocklySvg text,",
-".blocklyBlockDragSurface text {","user-select: none;","-ms-user-select: none;","-webkit-user-select: none;","cursor: inherit;","}",".blocklyHidden {","display: none;","}",".blocklyFieldDropdown:not(.blocklyHidden) {","display: block;","}",".blocklyIconGroup {","cursor: default;","}",".blocklyIconGroup:not(:hover),",".blocklyIconGroupReadonly {","opacity: .6;","}",".blocklyIconShape {","fill: #00f;","stroke: #fff;","stroke-width: 1px;","}",".blocklyIconSymbol {","fill: #fff;","}",".blocklyMinimalBody {",
-"margin: 0;","padding: 0;","}",".blocklyHtmlInput {","border: none;","border-radius: 4px;","height: 100%;","margin: 0;","outline: none;","padding: 0;","width: 100%;","text-align: center;","display: block;","box-sizing: border-box;","}",".blocklyHtmlInput::-ms-clear {","display: none;","}",".blocklyMainBackground {","stroke-width: 1;","stroke: #c6c6c6;","}",".blocklyMutatorBackground {","fill: #fff;","stroke: #ddd;","stroke-width: 1;","}",".blocklyFlyoutBackground {","fill: #ddd;","fill-opacity: .8;",
-"}",".blocklyMainWorkspaceScrollbar {","z-index: 20;","}",".blocklyFlyoutScrollbar {","z-index: 30;","}",".blocklyScrollbarHorizontal,",".blocklyScrollbarVertical {","position: absolute;","outline: none;","}",".blocklyScrollbarBackground {","opacity: 0;","}",".blocklyScrollbarHandle {","fill: #ccc;","}",".blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,",".blocklyScrollbarHandle:hover {","fill: #bbb;","}",".blocklyFlyout .blocklyScrollbarHandle {","fill: #bbb;","}",".blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,",
-".blocklyFlyout .blocklyScrollbarHandle:hover {","fill: #aaa;","}",".blocklyInvalidInput {","background: #faa;","}",".blocklyVerticalMarker {","stroke-width: 3px;","fill: rgba(255,255,255,.5);","pointer-events: none;","}",".blocklyComputeCanvas {","position: absolute;","width: 0;","height: 0;","}",".blocklyNoPointerEvents {","pointer-events: none;","}",".blocklyContextMenu {","border-radius: 4px;","max-height: 100%;","}",".blocklyDropdownMenu {","border-radius: 2px;","padding: 0 !important;","}",
-".blocklyDropdownMenu .blocklyMenuItem {","padding-left: 28px;","}",".blocklyDropdownMenu .blocklyMenuItemRtl {","padding-left: 5px;","padding-right: 28px;","}",".blocklyWidgetDiv .blocklyMenu {","background: #fff;","border: 1px solid transparent;","box-shadow: 0 0 3px 1px rgba(0,0,0,.3);","font: normal 13px Arial, sans-serif;","margin: 0;","outline: none;","padding: 4px 0;","position: absolute;","overflow-y: auto;","overflow-x: hidden;","max-height: 100%;","z-index: 20000;","}",".blocklyWidgetDiv .blocklyMenu.blocklyFocused {",
-"box-shadow: 0 0 6px 1px rgba(0,0,0,.3);","}",".blocklyDropDownDiv .blocklyMenu {",'font: normal 13px "Helvetica Neue", Helvetica, sans-serif;',"outline: none;","z-index: 20000;","}",".blocklyMenuItem {","border: none;","color: #000;","cursor: pointer;","list-style: none;","margin: 0;","min-width: 7em;","padding: 6px 15px;","white-space: nowrap;","}",".blocklyMenuItemDisabled {","color: #ccc;","cursor: inherit;","}",".blocklyMenuItemHighlight {","background-color: rgba(0,0,0,.1);","}",".blocklyMenuItemCheckbox {",
-"height: 16px;","position: absolute;","width: 16px;","}",".blocklyMenuItemSelected .blocklyMenuItemCheckbox {","background: url(<<<PATH>>>/sprites.png) no-repeat -48px -16px;","float: left;","margin-left: -24px;","position: static;","}",".blocklyMenuItemRtl .blocklyMenuItemCheckbox {","float: right;","margin-right: -24px;","}"];Blockly.utils.math={};Blockly.utils.math.toRadians=function(a){return a*Math.PI/180};Blockly.utils.math.toDegrees=function(a){return 180*a/Math.PI};Blockly.utils.math.clamp=function(a,b,c){if(c<a){var d=c;c=a;a=d}return Math.max(a,Math.min(b,c))};Blockly.DropDownDiv=function(){};Blockly.DropDownDiv.boundsElement_=null;Blockly.DropDownDiv.owner_=null;Blockly.DropDownDiv.positionToField_=null;Blockly.DropDownDiv.ARROW_SIZE=16;Blockly.DropDownDiv.BORDER_SIZE=1;Blockly.DropDownDiv.ARROW_HORIZONTAL_PADDING=12;Blockly.DropDownDiv.PADDING_Y=16;Blockly.DropDownDiv.ANIMATION_TIME=.25;Blockly.DropDownDiv.animateOutTimer_=null;Blockly.DropDownDiv.onHide_=null;Blockly.DropDownDiv.rendererClassName_="";Blockly.DropDownDiv.themeClassName_="";
-Blockly.DropDownDiv.createDom=function(){if(!Blockly.DropDownDiv.DIV_){var a=document.createElement("div");a.className="blocklyDropDownDiv";(Blockly.parentContainer||document.body).appendChild(a);Blockly.DropDownDiv.DIV_=a;var b=document.createElement("div");b.className="blocklyDropDownContent";a.appendChild(b);Blockly.DropDownDiv.content_=b;b=document.createElement("div");b.className="blocklyDropDownArrow";a.appendChild(b);Blockly.DropDownDiv.arrow_=b;Blockly.DropDownDiv.DIV_.style.opacity=0;Blockly.DropDownDiv.DIV_.style.transition=
-"transform "+Blockly.DropDownDiv.ANIMATION_TIME+"s, opacity "+Blockly.DropDownDiv.ANIMATION_TIME+"s";a.addEventListener("focusin",function(){Blockly.utils.dom.addClass(a,"blocklyFocused")});a.addEventListener("focusout",function(){Blockly.utils.dom.removeClass(a,"blocklyFocused")})}};Blockly.DropDownDiv.setBoundsElement=function(a){Blockly.DropDownDiv.boundsElement_=a};Blockly.DropDownDiv.getContentDiv=function(){return Blockly.DropDownDiv.content_};
-Blockly.DropDownDiv.clearContent=function(){Blockly.DropDownDiv.content_.textContent="";Blockly.DropDownDiv.content_.style.width=""};Blockly.DropDownDiv.setColour=function(a,b){Blockly.DropDownDiv.DIV_.style.backgroundColor=a;Blockly.DropDownDiv.DIV_.style.borderColor=b};Blockly.DropDownDiv.showPositionedByBlock=function(a,b,c,d){return Blockly.DropDownDiv.showPositionedByRect_(Blockly.DropDownDiv.getScaledBboxOfBlock_(b),a,c,d)};
-Blockly.DropDownDiv.showPositionedByField=function(a,b,c){Blockly.DropDownDiv.positionToField_=!0;return Blockly.DropDownDiv.showPositionedByRect_(Blockly.DropDownDiv.getScaledBboxOfField_(a),a,b,c)};Blockly.DropDownDiv.getScaledBboxOfBlock_=function(a){var b=a.getSvgRoot(),c=b.getBBox(),d=a.workspace.scale;a=c.height*d;c=c.width*d;b=Blockly.utils.style.getPageOffset(b);return new Blockly.utils.Rect(b.y,b.y+a,b.x,b.x+c)};
-Blockly.DropDownDiv.getScaledBboxOfField_=function(a){a=a.getScaledBBox();return new Blockly.utils.Rect(a.top,a.bottom,a.left,a.right)};Blockly.DropDownDiv.showPositionedByRect_=function(a,b,c,d){var e=a.left+(a.right-a.left)/2,f=a.bottom;a=a.top;d&&(a+=d);d=b.getSourceBlock();for(var g=d.workspace;g.options.parentWorkspace;)g=g.options.parentWorkspace;Blockly.DropDownDiv.setBoundsElement(g.getParentSvg().parentNode);return Blockly.DropDownDiv.show(b,d.RTL,e,f,e,a,c)};
-Blockly.DropDownDiv.show=function(a,b,c,d,e,f,g){Blockly.DropDownDiv.owner_=a;Blockly.DropDownDiv.onHide_=g||null;a=Blockly.DropDownDiv.DIV_;a.style.direction=b?"rtl":"ltr";b=Blockly.getMainWorkspace();Blockly.DropDownDiv.rendererClassName_=b.getRenderer().getClassName();Blockly.DropDownDiv.themeClassName_=b.getTheme().getClassName();Blockly.utils.dom.addClass(a,Blockly.DropDownDiv.rendererClassName_);Blockly.utils.dom.addClass(a,Blockly.DropDownDiv.themeClassName_);return Blockly.DropDownDiv.positionInternal_(c,
-d,e,f)};Blockly.DropDownDiv.getBoundsInfo_=function(){var a=Blockly.utils.style.getPageOffset(Blockly.DropDownDiv.boundsElement_),b=Blockly.utils.style.getSize(Blockly.DropDownDiv.boundsElement_);return{left:a.x,right:a.x+b.width,top:a.y,bottom:a.y+b.height,width:b.width,height:b.height}};
-Blockly.DropDownDiv.getPositionMetrics_=function(a,b,c,d){var e=Blockly.DropDownDiv.getBoundsInfo_(),f=Blockly.utils.style.getSize(Blockly.DropDownDiv.DIV_);return b+f.height<e.bottom?Blockly.DropDownDiv.getPositionBelowMetrics_(a,b,e,f):d-f.height>e.top?Blockly.DropDownDiv.getPositionAboveMetrics_(c,d,e,f):b+f.height<document.documentElement.clientHeight?Blockly.DropDownDiv.getPositionBelowMetrics_(a,b,e,f):d-f.height>document.documentElement.clientTop?Blockly.DropDownDiv.getPositionAboveMetrics_(c,
-d,e,f):Blockly.DropDownDiv.getPositionTopOfPageMetrics_(a,e,f)};Blockly.DropDownDiv.getPositionBelowMetrics_=function(a,b,c,d){a=Blockly.DropDownDiv.getPositionX(a,c.left,c.right,d.width);return{initialX:a.divX,initialY:b,finalX:a.divX,finalY:b+Blockly.DropDownDiv.PADDING_Y,arrowX:a.arrowX,arrowY:-(Blockly.DropDownDiv.ARROW_SIZE/2+Blockly.DropDownDiv.BORDER_SIZE),arrowAtTop:!0,arrowVisible:!0}};
-Blockly.DropDownDiv.getPositionAboveMetrics_=function(a,b,c,d){a=Blockly.DropDownDiv.getPositionX(a,c.left,c.right,d.width);return{initialX:a.divX,initialY:b-d.height,finalX:a.divX,finalY:b-d.height-Blockly.DropDownDiv.PADDING_Y,arrowX:a.arrowX,arrowY:d.height-2*Blockly.DropDownDiv.BORDER_SIZE-Blockly.DropDownDiv.ARROW_SIZE/2,arrowAtTop:!1,arrowVisible:!0}};
-Blockly.DropDownDiv.getPositionTopOfPageMetrics_=function(a,b,c){a=Blockly.DropDownDiv.getPositionX(a,b.left,b.right,c.width);return{initialX:a.divX,initialY:0,finalX:a.divX,finalY:0,arrowAtTop:null,arrowX:null,arrowY:null,arrowVisible:!1}};
-Blockly.DropDownDiv.getPositionX=function(a,b,c,d){var e=a;a=Blockly.utils.math.clamp(b,a-d/2,c-d);e-=Blockly.DropDownDiv.ARROW_SIZE/2;b=Blockly.DropDownDiv.ARROW_HORIZONTAL_PADDING;d=Blockly.utils.math.clamp(b,e-a,d-b-Blockly.DropDownDiv.ARROW_SIZE);return{arrowX:d,divX:a}};Blockly.DropDownDiv.isVisible=function(){return!!Blockly.DropDownDiv.owner_};
-Blockly.DropDownDiv.hideIfOwner=function(a,b){return Blockly.DropDownDiv.owner_===a?(b?Blockly.DropDownDiv.hideWithoutAnimation():Blockly.DropDownDiv.hide(),!0):!1};
-Blockly.DropDownDiv.hide=function(){var a=Blockly.DropDownDiv.DIV_;a.style.transform="translate(0, 0)";a.style.opacity=0;Blockly.DropDownDiv.animateOutTimer_=setTimeout(function(){Blockly.DropDownDiv.hideWithoutAnimation()},1E3*Blockly.DropDownDiv.ANIMATION_TIME);Blockly.DropDownDiv.onHide_&&(Blockly.DropDownDiv.onHide_(),Blockly.DropDownDiv.onHide_=null)};
-Blockly.DropDownDiv.hideWithoutAnimation=function(){if(Blockly.DropDownDiv.isVisible()){Blockly.DropDownDiv.animateOutTimer_&&clearTimeout(Blockly.DropDownDiv.animateOutTimer_);var a=Blockly.DropDownDiv.DIV_;a.style.transform="";a.style.left="";a.style.top="";a.style.opacity=0;a.style.display="none";a.style.backgroundColor="";a.style.borderColor="";Blockly.DropDownDiv.onHide_&&(Blockly.DropDownDiv.onHide_(),Blockly.DropDownDiv.onHide_=null);Blockly.DropDownDiv.clearContent();Blockly.DropDownDiv.owner_=
-null;Blockly.DropDownDiv.rendererClassName_&&(Blockly.utils.dom.removeClass(a,Blockly.DropDownDiv.rendererClassName_),Blockly.DropDownDiv.rendererClassName_="");Blockly.DropDownDiv.themeClassName_&&(Blockly.utils.dom.removeClass(a,Blockly.DropDownDiv.themeClassName_),Blockly.DropDownDiv.themeClassName_="");Blockly.getMainWorkspace().markFocused()}};
-Blockly.DropDownDiv.positionInternal_=function(a,b,c,d){a=Blockly.DropDownDiv.getPositionMetrics_(a,b,c,d);a.arrowVisible?(Blockly.DropDownDiv.arrow_.style.display="",Blockly.DropDownDiv.arrow_.style.transform="translate("+a.arrowX+"px,"+a.arrowY+"px) rotate(45deg)",Blockly.DropDownDiv.arrow_.setAttribute("class",a.arrowAtTop?"blocklyDropDownArrow blocklyArrowTop":"blocklyDropDownArrow blocklyArrowBottom")):Blockly.DropDownDiv.arrow_.style.display="none";b=Math.floor(a.initialX);c=Math.floor(a.initialY);
-d=Math.floor(a.finalX);var e=Math.floor(a.finalY),f=Blockly.DropDownDiv.DIV_;f.style.left=b+"px";f.style.top=c+"px";f.style.display="block";f.style.opacity=1;f.style.transform="translate("+(d-b)+"px,"+(e-c)+"px)";return!!a.arrowAtTop};
-Blockly.DropDownDiv.repositionForWindowResize=function(){if(Blockly.DropDownDiv.owner_){var a=Blockly.DropDownDiv.owner_,b=a.getSourceBlock();a=Blockly.DropDownDiv.positionToField_?Blockly.DropDownDiv.getScaledBboxOfField_(a):Blockly.DropDownDiv.getScaledBboxOfBlock_(b);b=a.left+(a.right-a.left)/2;Blockly.DropDownDiv.positionInternal_(b,a.bottom,b,a.top)}else Blockly.DropDownDiv.hide()};Blockly.Grid=function(a,b){this.gridPattern_=a;this.spacing_=b.spacing;this.length_=b.length;this.line2_=(this.line1_=a.firstChild)&&this.line1_.nextSibling;this.snapToGrid_=b.snap};Blockly.Grid.prototype.scale_=1;Blockly.Grid.prototype.dispose=function(){this.gridPattern_=null};Blockly.Grid.prototype.shouldSnap=function(){return this.snapToGrid_};Blockly.Grid.prototype.getSpacing=function(){return this.spacing_};Blockly.Grid.prototype.getPatternId=function(){return this.gridPattern_.id};
-Blockly.Grid.prototype.update=function(a){this.scale_=a;var b=this.spacing_*a||100;this.gridPattern_.setAttribute("width",b);this.gridPattern_.setAttribute("height",b);b=Math.floor(this.spacing_/2)+.5;var c=b-this.length_/2,d=b+this.length_/2;b*=a;c*=a;d*=a;this.setLineAttributes_(this.line1_,a,c,d,b,b);this.setLineAttributes_(this.line2_,a,b,b,c,d)};
-Blockly.Grid.prototype.setLineAttributes_=function(a,b,c,d,e,f){a&&(a.setAttribute("stroke-width",b),a.setAttribute("x1",c),a.setAttribute("y1",e),a.setAttribute("x2",d),a.setAttribute("y2",f))};Blockly.Grid.prototype.moveTo=function(a,b){this.gridPattern_.setAttribute("x",a);this.gridPattern_.setAttribute("y",b);(Blockly.utils.userAgent.IE||Blockly.utils.userAgent.EDGE)&&this.update(this.scale_)};
-Blockly.Grid.createDom=function(a,b,c){a=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATTERN,{id:"blocklyGridPattern"+a,patternUnits:"userSpaceOnUse"},c);0<b.length&&0<b.spacing?(Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.LINE,{stroke:b.colour},a),1<b.length&&Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.LINE,{stroke:b.colour},a)):Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.LINE,{},a);return a};Blockly.Theme=function(a,b,c,d){this.name=a;this.blockStyles=b||Object.create(null);this.categoryStyles=c||Object.create(null);this.componentStyles=d||Object.create(null);this.fontStyle=Object.create(null);this.startHats=null;Blockly.registry.register(Blockly.registry.Type.THEME,a,this)};Blockly.Theme.prototype.getClassName=function(){return this.name+"-theme"};Blockly.Theme.prototype.setBlockStyle=function(a,b){this.blockStyles[a]=b};
-Blockly.Theme.prototype.setCategoryStyle=function(a,b){this.categoryStyles[a]=b};Blockly.Theme.prototype.getComponentStyle=function(a){return(a=this.componentStyles[a])&&"string"==typeof a&&this.getComponentStyle(a)?this.getComponentStyle(a):a?String(a):null};Blockly.Theme.prototype.setComponentStyle=function(a,b){this.componentStyles[a]=b};Blockly.Theme.prototype.setFontStyle=function(a){this.fontStyle=a};Blockly.Theme.prototype.setStartHats=function(a){this.startHats=a};
-Blockly.Theme.defineTheme=function(a,b){var c=new Blockly.Theme(a),d=b.base;d&&("string"==typeof d&&(d=Blockly.registry.getObject(Blockly.registry.Type.THEME,d)),d instanceof Blockly.Theme&&(Blockly.utils.object.deepMerge(c,d),c.name=a));Blockly.utils.object.deepMerge(c.blockStyles,b.blockStyles);Blockly.utils.object.deepMerge(c.categoryStyles,b.categoryStyles);Blockly.utils.object.deepMerge(c.componentStyles,b.componentStyles);Blockly.utils.object.deepMerge(c.fontStyle,b.fontStyle);null!=b.startHats&&
-(c.startHats=b.startHats);return c};Blockly.Themes={};Blockly.Themes.Classic={};Blockly.Themes.Classic.defaultBlockStyles={colour_blocks:{colourPrimary:"20"},list_blocks:{colourPrimary:"260"},logic_blocks:{colourPrimary:"210"},loop_blocks:{colourPrimary:"120"},math_blocks:{colourPrimary:"230"},procedure_blocks:{colourPrimary:"290"},text_blocks:{colourPrimary:"160"},variable_blocks:{colourPrimary:"330"},variable_dynamic_blocks:{colourPrimary:"310"},hat_blocks:{colourPrimary:"330",hat:"cap"}};
-Blockly.Themes.Classic.categoryStyles={colour_category:{colour:"20"},list_category:{colour:"260"},logic_category:{colour:"210"},loop_category:{colour:"120"},math_category:{colour:"230"},procedure_category:{colour:"290"},text_category:{colour:"160"},variable_category:{colour:"330"},variable_dynamic_category:{colour:"310"}};Blockly.Themes.Classic=new Blockly.Theme("classic",Blockly.Themes.Classic.defaultBlockStyles,Blockly.Themes.Classic.categoryStyles);Blockly.utils.KeyCodes={WIN_KEY_FF_LINUX:0,MAC_ENTER:3,BACKSPACE:8,TAB:9,NUM_CENTER:12,ENTER:13,SHIFT:16,CTRL:17,ALT:18,PAUSE:19,CAPS_LOCK:20,ESC:27,SPACE:32,PAGE_UP:33,PAGE_DOWN:34,END:35,HOME:36,LEFT:37,UP:38,RIGHT:39,DOWN:40,PLUS_SIGN:43,PRINT_SCREEN:44,INSERT:45,DELETE:46,ZERO:48,ONE:49,TWO:50,THREE:51,FOUR:52,FIVE:53,SIX:54,SEVEN:55,EIGHT:56,NINE:57,FF_SEMICOLON:59,FF_EQUALS:61,FF_DASH:173,FF_HASH:163,QUESTION_MARK:63,AT_SIGN:64,A:65,B:66,C:67,D:68,E:69,F:70,G:71,H:72,I:73,J:74,K:75,L:76,M:77,
-N:78,O:79,P:80,Q:81,R:82,S:83,T:84,U:85,V:86,W:87,X:88,Y:89,Z:90,META:91,WIN_KEY_RIGHT:92,CONTEXT_MENU:93,NUM_ZERO:96,NUM_ONE:97,NUM_TWO:98,NUM_THREE:99,NUM_FOUR:100,NUM_FIVE:101,NUM_SIX:102,NUM_SEVEN:103,NUM_EIGHT:104,NUM_NINE:105,NUM_MULTIPLY:106,NUM_PLUS:107,NUM_MINUS:109,NUM_PERIOD:110,NUM_DIVISION:111,F1:112,F2:113,F3:114,F4:115,F5:116,F6:117,F7:118,F8:119,F9:120,F10:121,F11:122,F12:123,NUMLOCK:144,SCROLL_LOCK:145,FIRST_MEDIA_KEY:166,LAST_MEDIA_KEY:183,SEMICOLON:186,DASH:189,EQUALS:187,COMMA:188,
-PERIOD:190,SLASH:191,APOSTROPHE:192,TILDE:192,SINGLE_QUOTE:222,OPEN_SQUARE_BRACKET:219,BACKSLASH:220,CLOSE_SQUARE_BRACKET:221,WIN_KEY:224,MAC_FF_META:224,MAC_WK_CMD_LEFT:91,MAC_WK_CMD_RIGHT:93,WIN_IME:229,VK_NONAME:252,PHANTOM:255};Blockly.user={};Blockly.user.keyMap={};Blockly.user.keyMap.map_={};Blockly.user.keyMap.modifierKeys={SHIFT:"Shift",CONTROL:"Control",ALT:"Alt",META:"Meta"};Blockly.user.keyMap.setActionForKey=function(a,b){var c=Blockly.user.keyMap.getKeyByAction(b);c&&delete Blockly.user.keyMap.map_[c];Blockly.user.keyMap.map_[a]=b};Blockly.user.keyMap.setKeyMap=function(a){Blockly.user.keyMap.map_=a};Blockly.user.keyMap.getKeyMap=function(){var a={};Blockly.utils.object.mixin(a,Blockly.user.keyMap.map_);return a};
-Blockly.user.keyMap.getActionByKeyCode=function(a){return Blockly.user.keyMap.map_[a]};Blockly.user.keyMap.getKeyByAction=function(a){for(var b=Object.keys(Blockly.user.keyMap.map_),c=0,d;d=b[c];c++)if(Blockly.user.keyMap.map_[d].name===a.name)return d;return null};Blockly.user.keyMap.serializeKeyEvent=function(a){for(var b=Blockly.utils.object.values(Blockly.user.keyMap.modifierKeys),c="",d=0,e;e=b[d];d++)a.getModifierState(e)&&(c+=e);return c+=a.keyCode};
-Blockly.user.keyMap.checkModifiers_=function(a,b){for(var c=0,d;d=a[c];c++)if(0>b.indexOf(d))throw Error(d+" is not a valid modifier key.");};Blockly.user.keyMap.createSerializedKey=function(a,b){var c="",d=Blockly.utils.object.values(Blockly.user.keyMap.modifierKeys);Blockly.user.keyMap.checkModifiers_(b,d);for(var e=0,f;f=d[e];e++)-1<b.indexOf(f)&&(c+=f);return c+a};
-Blockly.user.keyMap.createDefaultKeyMap=function(){var a={},b=Blockly.user.keyMap.createSerializedKey(Blockly.utils.KeyCodes.K,[Blockly.user.keyMap.modifierKeys.CONTROL,Blockly.user.keyMap.modifierKeys.SHIFT]),c=Blockly.user.keyMap.createSerializedKey(Blockly.utils.KeyCodes.W,[Blockly.user.keyMap.modifierKeys.SHIFT]),d=Blockly.user.keyMap.createSerializedKey(Blockly.utils.KeyCodes.A,[Blockly.user.keyMap.modifierKeys.SHIFT]),e=Blockly.user.keyMap.createSerializedKey(Blockly.utils.KeyCodes.S,[Blockly.user.keyMap.modifierKeys.SHIFT]),
-f=Blockly.user.keyMap.createSerializedKey(Blockly.utils.KeyCodes.D,[Blockly.user.keyMap.modifierKeys.SHIFT]);a[Blockly.utils.KeyCodes.W]=Blockly.navigation.ACTION_PREVIOUS;a[Blockly.utils.KeyCodes.A]=Blockly.navigation.ACTION_OUT;a[Blockly.utils.KeyCodes.S]=Blockly.navigation.ACTION_NEXT;a[Blockly.utils.KeyCodes.D]=Blockly.navigation.ACTION_IN;a[Blockly.utils.KeyCodes.I]=Blockly.navigation.ACTION_INSERT;a[Blockly.utils.KeyCodes.ENTER]=Blockly.navigation.ACTION_MARK;a[Blockly.utils.KeyCodes.X]=Blockly.navigation.ACTION_DISCONNECT;
-a[Blockly.utils.KeyCodes.T]=Blockly.navigation.ACTION_TOOLBOX;a[Blockly.utils.KeyCodes.E]=Blockly.navigation.ACTION_EXIT;a[Blockly.utils.KeyCodes.ESC]=Blockly.navigation.ACTION_EXIT;a[b]=Blockly.navigation.ACTION_TOGGLE_KEYBOARD_NAV;a[c]=Blockly.navigation.ACTION_MOVE_WS_CURSOR_UP;a[d]=Blockly.navigation.ACTION_MOVE_WS_CURSOR_LEFT;a[e]=Blockly.navigation.ACTION_MOVE_WS_CURSOR_DOWN;a[f]=Blockly.navigation.ACTION_MOVE_WS_CURSOR_RIGHT;return a};Blockly.utils.Metrics=function(){};Blockly.utils.toolbox={};Blockly.utils.toolbox.CATEGORY_TOOLBOX_KIND="categoryToolbox";Blockly.utils.toolbox.FLYOUT_TOOLBOX_KIND="flyoutToolbox";Blockly.utils.toolbox.Position={TOP:Blockly.TOOLBOX_AT_TOP,BOTTOM:Blockly.TOOLBOX_AT_BOTTOM,LEFT:Blockly.TOOLBOX_AT_LEFT,RIGHT:Blockly.TOOLBOX_AT_RIGHT};
-Blockly.utils.toolbox.convertToolboxDefToJson=function(a){if(!a)return null;if(a instanceof Element||"string"==typeof a)a=Blockly.utils.toolbox.parseToolboxTree(a),a=Blockly.utils.toolbox.convertToToolboxJson_(a);Blockly.utils.toolbox.validateToolbox_(a);return a};
-Blockly.utils.toolbox.validateToolbox_=function(a){var b=a.kind;a=a.contents;if(b&&b!=Blockly.utils.toolbox.FLYOUT_TOOLBOX_KIND&&b!=Blockly.utils.toolbox.CATEGORY_TOOLBOX_KIND)throw Error("Invalid toolbox kind "+b+". Please supply either "+Blockly.utils.toolbox.FLYOUT_TOOLBOX_KIND+" or "+Blockly.utils.toolbox.CATEGORY_TOOLBOX_KIND);if(!a)throw Error("Toolbox must have a contents attribute.");};
-Blockly.utils.toolbox.convertFlyoutDefToJsonArray=function(a){return a?a.contents?a.contents:Array.isArray(a)&&0<a.length&&!a[0].nodeType?a:Blockly.utils.toolbox.xmlToJsonArray_(a):[]};Blockly.utils.toolbox.hasCategories=function(a){if(!a)return!1;var b=a.kind;return b?b==Blockly.utils.toolbox.CATEGORY_TOOLBOX_KIND:!!a.contents.filter(function(c){return"CATEGORY"==c.kind.toUpperCase()}).length};
-Blockly.utils.toolbox.isCategoryCollapsible=function(a){return a&&a.contents?!!a.contents.filter(function(b){return"CATEGORY"==b.kind.toUpperCase()}).length:!1};Blockly.utils.toolbox.convertToToolboxJson_=function(a){var b={contents:Blockly.utils.toolbox.xmlToJsonArray_(a)};a instanceof Node&&Blockly.utils.toolbox.addAttributes_(a,b);return b};
-Blockly.utils.toolbox.xmlToJsonArray_=function(a){var b=[],c=a.childNodes;c||(c=a);a=0;for(var d;d=c[a];a++)if(d.tagName){var e={},f=d.tagName.toUpperCase();e.kind=f;"BLOCK"==f?e.blockxml=d:"CATEGORY"==f&&(e.contents=Blockly.utils.toolbox.xmlToJsonArray_(d));Blockly.utils.toolbox.addAttributes_(d,e);b.push(e)}return b};
-Blockly.utils.toolbox.addAttributes_=function(a,b){for(var c=0;c<a.attributes.length;c++){var d=a.attributes[c];-1<d.nodeName.indexOf("css-")?(b.cssconfig=b.cssconfig||{},b.cssconfig[d.nodeName.replace("css-","")]=d.value):b[d.nodeName]=d.value}};
-Blockly.utils.toolbox.parseToolboxTree=function(a){if(a){if("string"!=typeof a&&(Blockly.utils.userAgent.IE&&a.outerHTML?a=a.outerHTML:a instanceof Element||(a=null)),"string"==typeof a&&(a=Blockly.Xml.textToDom(a),"xml"!=a.nodeName.toLowerCase()))throw TypeError("Toolbox should be an <xml> document.");}else a=null;return a};Blockly.utils.xml={};Blockly.utils.xml.NAME_SPACE="https://developers.google.com/blockly/xml";Blockly.utils.xml.document=function(){return document};Blockly.utils.xml.createElement=function(a){return Blockly.utils.xml.document().createElementNS(Blockly.utils.xml.NAME_SPACE,a)};Blockly.utils.xml.createTextNode=function(a){return Blockly.utils.xml.document().createTextNode(a)};Blockly.utils.xml.textToDomDocument=function(a){return(new DOMParser).parseFromString(a,"text/xml")};
-Blockly.utils.xml.domToText=function(a){return(new XMLSerializer).serializeToString(a)};Blockly.Events.BlockBase=function(a){Blockly.Events.BlockBase.superClass_.constructor.call(this);this.blockId=(this.isBlank="undefined"==typeof a)?"":a.id;this.workspaceId=this.isBlank?"":a.workspace.id};Blockly.utils.object.inherits(Blockly.Events.BlockBase,Blockly.Events.Abstract);Blockly.Events.BlockBase.prototype.toJson=function(){var a=Blockly.Events.BlockBase.superClass_.toJson.call(this);a.blockId=this.blockId;return a};
-Blockly.Events.BlockBase.prototype.fromJson=function(a){Blockly.Events.BlockBase.superClass_.fromJson.call(this,a);this.blockId=a.blockId};Blockly.Events.Change=function(a,b,c,d,e){Blockly.Events.Change.superClass_.constructor.call(this,a);a&&(this.element="undefined"==typeof b?"":b,this.name="undefined"==typeof c?"":c,this.oldValue="undefined"==typeof d?"":d,this.newValue="undefined"==typeof e?"":e)};Blockly.utils.object.inherits(Blockly.Events.Change,Blockly.Events.BlockBase);
-Blockly.Events.BlockChange=Blockly.Events.Change;Blockly.Events.Change.prototype.type=Blockly.Events.CHANGE;Blockly.Events.Change.prototype.toJson=function(){var a=Blockly.Events.Change.superClass_.toJson.call(this);a.element=this.element;this.name&&(a.name=this.name);a.newValue=this.newValue;return a};Blockly.Events.Change.prototype.fromJson=function(a){Blockly.Events.Change.superClass_.fromJson.call(this,a);this.element=a.element;this.name=a.name;this.newValue=a.newValue};
-Blockly.Events.Change.prototype.isNull=function(){return this.oldValue==this.newValue};
-Blockly.Events.Change.prototype.run=function(a){var b=this.getEventWorkspace_().getBlockById(this.blockId);if(b)switch(b.mutator&&b.mutator.setVisible(!1),a=a?this.newValue:this.oldValue,this.element){case "field":(b=b.getField(this.name))?b.setValue(a):console.warn("Can't set non-existent field: "+this.name);break;case "comment":b.setCommentText(a||null);break;case "collapsed":b.setCollapsed(!!a);break;case "disabled":b.setEnabled(!a);break;case "inline":b.setInputsInline(!!a);break;case "mutation":var c=
-"";b.mutationToDom&&(c=(c=b.mutationToDom())&&Blockly.Xml.domToText(c));if(b.domToMutation){var d=Blockly.Xml.textToDom(a||"<mutation/>");b.domToMutation(d)}Blockly.Events.fire(new Blockly.Events.Change(b,"mutation",null,c,a));break;default:console.warn("Unknown change type: "+this.element)}else console.warn("Can't change non-existent block: "+this.blockId)};
-Blockly.Events.Create=function(a){Blockly.Events.Create.superClass_.constructor.call(this,a);a&&(a.isShadow()&&(this.recordUndo=!1),this.xml=a.workspace.rendered?Blockly.Xml.blockToDomWithXY(a):Blockly.Xml.blockToDom(a),this.ids=Blockly.Events.getDescendantIds(a))};Blockly.utils.object.inherits(Blockly.Events.Create,Blockly.Events.BlockBase);Blockly.Events.BlockCreate=Blockly.Events.Create;Blockly.Events.Create.prototype.type=Blockly.Events.CREATE;
-Blockly.Events.Create.prototype.toJson=function(){var a=Blockly.Events.Create.superClass_.toJson.call(this);a.xml=Blockly.Xml.domToText(this.xml);a.ids=this.ids;return a};Blockly.Events.Create.prototype.fromJson=function(a){Blockly.Events.Create.superClass_.fromJson.call(this,a);this.xml=Blockly.Xml.textToDom(a.xml);this.ids=a.ids};
-Blockly.Events.Create.prototype.run=function(a){var b=this.getEventWorkspace_();if(a)a=Blockly.utils.xml.createElement("xml"),a.appendChild(this.xml),Blockly.Xml.domToWorkspace(a,b);else{a=0;for(var c;c=this.ids[a];a++){var d=b.getBlockById(c);d?d.dispose(!1):c==this.blockId&&console.warn("Can't uncreate non-existent block: "+c)}}};
-Blockly.Events.Delete=function(a){Blockly.Events.Delete.superClass_.constructor.call(this,a);if(a){if(a.getParent())throw Error("Connected blocks cannot be deleted.");a.isShadow()&&(this.recordUndo=!1);this.oldXml=a.workspace.rendered?Blockly.Xml.blockToDomWithXY(a):Blockly.Xml.blockToDom(a);this.ids=Blockly.Events.getDescendantIds(a)}};Blockly.utils.object.inherits(Blockly.Events.Delete,Blockly.Events.BlockBase);Blockly.Events.BlockDelete=Blockly.Events.Delete;
-Blockly.Events.Delete.prototype.type=Blockly.Events.DELETE;Blockly.Events.Delete.prototype.toJson=function(){var a=Blockly.Events.Delete.superClass_.toJson.call(this);a.ids=this.ids;return a};Blockly.Events.Delete.prototype.fromJson=function(a){Blockly.Events.Delete.superClass_.fromJson.call(this,a);this.ids=a.ids};
-Blockly.Events.Delete.prototype.run=function(a){var b=this.getEventWorkspace_();if(a){a=0;for(var c;c=this.ids[a];a++){var d=b.getBlockById(c);d?d.dispose(!1):c==this.blockId&&console.warn("Can't delete non-existent block: "+c)}}else a=Blockly.utils.xml.createElement("xml"),a.appendChild(this.oldXml),Blockly.Xml.domToWorkspace(a,b)};
-Blockly.Events.Move=function(a){Blockly.Events.Move.superClass_.constructor.call(this,a);a&&(a.isShadow()&&(this.recordUndo=!1),a=this.currentLocation_(),this.oldParentId=a.parentId,this.oldInputName=a.inputName,this.oldCoordinate=a.coordinate)};Blockly.utils.object.inherits(Blockly.Events.Move,Blockly.Events.BlockBase);Blockly.Events.BlockMove=Blockly.Events.Move;Blockly.Events.Move.prototype.type=Blockly.Events.MOVE;
-Blockly.Events.Move.prototype.toJson=function(){var a=Blockly.Events.Move.superClass_.toJson.call(this);this.newParentId&&(a.newParentId=this.newParentId);this.newInputName&&(a.newInputName=this.newInputName);this.newCoordinate&&(a.newCoordinate=Math.round(this.newCoordinate.x)+","+Math.round(this.newCoordinate.y));return a};
-Blockly.Events.Move.prototype.fromJson=function(a){Blockly.Events.Move.superClass_.fromJson.call(this,a);this.newParentId=a.newParentId;this.newInputName=a.newInputName;a.newCoordinate&&(a=a.newCoordinate.split(","),this.newCoordinate=new Blockly.utils.Coordinate(Number(a[0]),Number(a[1])))};Blockly.Events.Move.prototype.recordNew=function(){var a=this.currentLocation_();this.newParentId=a.parentId;this.newInputName=a.inputName;this.newCoordinate=a.coordinate};
-Blockly.Events.Move.prototype.currentLocation_=function(){var a=this.getEventWorkspace_().getBlockById(this.blockId),b={},c=a.getParent();if(c){if(b.parentId=c.id,a=c.getInputWithBlock(a))b.inputName=a.name}else b.coordinate=a.getRelativeToSurfaceXY();return b};Blockly.Events.Move.prototype.isNull=function(){return this.oldParentId==this.newParentId&&this.oldInputName==this.newInputName&&Blockly.utils.Coordinate.equals(this.oldCoordinate,this.newCoordinate)};
-Blockly.Events.Move.prototype.run=function(a){var b=this.getEventWorkspace_(),c=b.getBlockById(this.blockId);if(c){var d=a?this.newParentId:this.oldParentId,e=a?this.newInputName:this.oldInputName;a=a?this.newCoordinate:this.oldCoordinate;var f=null;if(d&&(f=b.getBlockById(d),!f)){console.warn("Can't connect to non-existent block: "+d);return}c.getParent()&&c.unplug();if(a)e=c.getRelativeToSurfaceXY(),c.moveBy(a.x-e.x,a.y-e.y);else{c=c.outputConnection||c.previousConnection;if(e){if(b=f.getInput(e))var g=
-b.connection}else c.type==Blockly.PREVIOUS_STATEMENT&&(g=f.nextConnection);g?c.connect(g):console.warn("Can't connect to non-existent input: "+e)}}else console.warn("Can't move non-existent block: "+this.blockId)};Blockly.registry.register(Blockly.registry.Type.EVENT,Blockly.Events.CREATE,Blockly.Events.Create);Blockly.registry.register(Blockly.registry.Type.EVENT,Blockly.Events.DELETE,Blockly.Events.Delete);Blockly.registry.register(Blockly.registry.Type.EVENT,Blockly.Events.CHANGE,Blockly.Events.Change);
-Blockly.registry.register(Blockly.registry.Type.EVENT,Blockly.Events.MOVE,Blockly.Events.Move);Blockly.Events.FinishedLoading=function(a){this.isBlank="undefined"==typeof a;this.workspaceId=a?a.id:"";this.group=Blockly.Events.getGroup();this.recordUndo=!1};Blockly.utils.object.inherits(Blockly.Events.FinishedLoading,Blockly.Events.Ui);Blockly.Events.FinishedLoading.prototype.type=Blockly.Events.FINISHED_LOADING;Blockly.Events.FinishedLoading.prototype.toJson=function(){var a={type:this.type};this.group&&(a.group=this.group);this.workspaceId&&(a.workspaceId=this.workspaceId);return a};
-Blockly.Events.FinishedLoading.prototype.fromJson=function(a){this.isBlank=!1;this.workspaceId=a.workspaceId;this.group=a.group};Blockly.registry.register(Blockly.registry.Type.EVENT,Blockly.Events.FINISHED_LOADING,Blockly.Events.FinishedLoading);Blockly.Events.VarBase=function(a){Blockly.Events.VarBase.superClass_.constructor.call(this);this.varId=(this.isBlank="undefined"==typeof a)?"":a.getId();this.workspaceId=this.isBlank?"":a.workspace.id};Blockly.utils.object.inherits(Blockly.Events.VarBase,Blockly.Events.Abstract);Blockly.Events.VarBase.prototype.toJson=function(){var a=Blockly.Events.VarBase.superClass_.toJson.call(this);a.varId=this.varId;return a};
-Blockly.Events.VarBase.prototype.fromJson=function(a){Blockly.Events.VarBase.superClass_.toJson.call(this);this.varId=a.varId};Blockly.Events.VarCreate=function(a){Blockly.Events.VarCreate.superClass_.constructor.call(this,a);a&&(this.varType=a.type,this.varName=a.name)};Blockly.utils.object.inherits(Blockly.Events.VarCreate,Blockly.Events.VarBase);Blockly.Events.VarCreate.prototype.type=Blockly.Events.VAR_CREATE;
-Blockly.Events.VarCreate.prototype.toJson=function(){var a=Blockly.Events.VarCreate.superClass_.toJson.call(this);a.varType=this.varType;a.varName=this.varName;return a};Blockly.Events.VarCreate.prototype.fromJson=function(a){Blockly.Events.VarCreate.superClass_.fromJson.call(this,a);this.varType=a.varType;this.varName=a.varName};Blockly.Events.VarCreate.prototype.run=function(a){var b=this.getEventWorkspace_();a?b.createVariable(this.varName,this.varType,this.varId):b.deleteVariableById(this.varId)};
-Blockly.Events.VarDelete=function(a){Blockly.Events.VarDelete.superClass_.constructor.call(this,a);a&&(this.varType=a.type,this.varName=a.name)};Blockly.utils.object.inherits(Blockly.Events.VarDelete,Blockly.Events.VarBase);Blockly.Events.VarDelete.prototype.type=Blockly.Events.VAR_DELETE;Blockly.Events.VarDelete.prototype.toJson=function(){var a=Blockly.Events.VarDelete.superClass_.toJson.call(this);a.varType=this.varType;a.varName=this.varName;return a};
-Blockly.Events.VarDelete.prototype.fromJson=function(a){Blockly.Events.VarDelete.superClass_.fromJson.call(this,a);this.varType=a.varType;this.varName=a.varName};Blockly.Events.VarDelete.prototype.run=function(a){var b=this.getEventWorkspace_();a?b.deleteVariableById(this.varId):b.createVariable(this.varName,this.varType,this.varId)};Blockly.Events.VarRename=function(a,b){Blockly.Events.VarRename.superClass_.constructor.call(this,a);a&&(this.oldName=a.name,this.newName="undefined"==typeof b?"":b)};
-Blockly.utils.object.inherits(Blockly.Events.VarRename,Blockly.Events.VarBase);Blockly.Events.VarRename.prototype.type=Blockly.Events.VAR_RENAME;Blockly.Events.VarRename.prototype.toJson=function(){var a=Blockly.Events.VarRename.superClass_.toJson.call(this);a.oldName=this.oldName;a.newName=this.newName;return a};Blockly.Events.VarRename.prototype.fromJson=function(a){Blockly.Events.VarRename.superClass_.fromJson.call(this,a);this.oldName=a.oldName;this.newName=a.newName};
-Blockly.Events.VarRename.prototype.run=function(a){var b=this.getEventWorkspace_();a?b.renameVariableById(this.varId,this.newName):b.renameVariableById(this.varId,this.oldName)};Blockly.registry.register(Blockly.registry.Type.EVENT,Blockly.Events.VAR_CREATE,Blockly.Events.VarCreate);Blockly.registry.register(Blockly.registry.Type.EVENT,Blockly.Events.VAR_DELETE,Blockly.Events.VarDelete);Blockly.registry.register(Blockly.registry.Type.EVENT,Blockly.Events.VAR_RENAME,Blockly.Events.VarRename);Blockly.Xml={};Blockly.Xml.workspaceToDom=function(a,b){var c=Blockly.utils.xml.createElement("xml"),d=Blockly.Xml.variablesToDom(Blockly.Variables.allUsedVarModels(a));d.hasChildNodes()&&c.appendChild(d);var e=a.getTopComments(!0);d=0;for(var f;f=e[d];d++)c.appendChild(f.toXmlWithXY(b));a=a.getTopBlocks(!0);for(d=0;e=a[d];d++)c.appendChild(Blockly.Xml.blockToDomWithXY(e,b));return c};
-Blockly.Xml.variablesToDom=function(a){for(var b=Blockly.utils.xml.createElement("variables"),c=0,d;d=a[c];c++){var e=Blockly.utils.xml.createElement("variable");e.appendChild(Blockly.utils.xml.createTextNode(d.name));d.type&&e.setAttribute("type",d.type);e.id=d.getId();b.appendChild(e)}return b};
-Blockly.Xml.blockToDomWithXY=function(a,b){if(a.isInsertionMarker()&&(a=a.getChildren(!1)[0],!a))return new DocumentFragment;var c;a.workspace.RTL&&(c=a.workspace.getWidth());b=Blockly.Xml.blockToDom(a,b);var d=a.getRelativeToSurfaceXY();b.setAttribute("x",Math.round(a.workspace.RTL?c-d.x:d.x));b.setAttribute("y",Math.round(d.y));return b};Blockly.Xml.fieldToDom_=function(a){if(a.isSerializable()){var b=Blockly.utils.xml.createElement("field");b.setAttribute("name",a.name||"");return a.toXml(b)}return null};
-Blockly.Xml.allFieldsToDom_=function(a,b){for(var c=0,d;d=a.inputList[c];c++)for(var e=0,f;f=d.fieldRow[e];e++)(f=Blockly.Xml.fieldToDom_(f))&&b.appendChild(f)};
-Blockly.Xml.blockToDom=function(a,b){if(a.isInsertionMarker())return(a=a.getChildren(!1)[0])?Blockly.Xml.blockToDom(a):new DocumentFragment;var c=Blockly.utils.xml.createElement(a.isShadow()?"shadow":"block");c.setAttribute("type",a.type);b||c.setAttribute("id",a.id);if(a.mutationToDom){var d=a.mutationToDom();d&&(d.hasChildNodes()||d.hasAttributes())&&c.appendChild(d)}Blockly.Xml.allFieldsToDom_(a,c);if(d=a.getCommentText()){var e=a.commentModel.size,f=a.commentModel.pinned,g=Blockly.utils.xml.createElement("comment");
-g.appendChild(Blockly.utils.xml.createTextNode(d));g.setAttribute("pinned",f);g.setAttribute("h",e.height);g.setAttribute("w",e.width);c.appendChild(g)}a.data&&(d=Blockly.utils.xml.createElement("data"),d.appendChild(Blockly.utils.xml.createTextNode(a.data)),c.appendChild(d));for(d=0;e=a.inputList[d];d++){var h;f=!0;if(e.type!=Blockly.DUMMY_INPUT){var k=e.connection.targetBlock();e.type==Blockly.INPUT_VALUE?h=Blockly.utils.xml.createElement("value"):e.type==Blockly.NEXT_STATEMENT&&(h=Blockly.utils.xml.createElement("statement"));
-g=e.connection.getShadowDom();!g||k&&k.isShadow()||h.appendChild(Blockly.Xml.cloneShadow_(g,b));k&&(g=Blockly.Xml.blockToDom(k,b),g.nodeType==Blockly.utils.dom.NodeType.ELEMENT_NODE&&(h.appendChild(g),f=!1));h.setAttribute("name",e.name);f||c.appendChild(h)}}void 0!=a.inputsInline&&a.inputsInline!=a.inputsInlineDefault&&c.setAttribute("inline",a.inputsInline);a.isCollapsed()&&c.setAttribute("collapsed",!0);a.isEnabled()||c.setAttribute("disabled",!0);a.isDeletable()||a.isShadow()||c.setAttribute("deletable",
-!1);a.isMovable()||a.isShadow()||c.setAttribute("movable",!1);a.isEditable()||c.setAttribute("editable",!1);if(d=a.getNextBlock())g=Blockly.Xml.blockToDom(d,b),g.nodeType==Blockly.utils.dom.NodeType.ELEMENT_NODE&&(h=Blockly.utils.xml.createElement("next"),h.appendChild(g),c.appendChild(h));g=a.nextConnection&&a.nextConnection.getShadowDom();!g||d&&d.isShadow()||h.appendChild(Blockly.Xml.cloneShadow_(g,b));return c};
-Blockly.Xml.cloneShadow_=function(a,b){for(var c=a=a.cloneNode(!0),d;c;)if(b&&"shadow"==c.nodeName&&c.removeAttribute("id"),c.firstChild)c=c.firstChild;else{for(;c&&!c.nextSibling;)d=c,c=c.parentNode,d.nodeType==Blockly.utils.dom.NodeType.TEXT_NODE&&""==d.data.trim()&&c.firstChild!=d&&Blockly.utils.dom.removeNode(d);c&&(d=c,c=c.nextSibling,d.nodeType==Blockly.utils.dom.NodeType.TEXT_NODE&&""==d.data.trim()&&Blockly.utils.dom.removeNode(d))}return a};
-Blockly.Xml.domToText=function(a){return Blockly.utils.xml.domToText(a).replace(/<(\w+)([^<]*)\/>/g,"<$1$2></$1>")};Blockly.Xml.domToPrettyText=function(a){a=Blockly.Xml.domToText(a).split("<");for(var b="",c=1;c<a.length;c++){var d=a[c];"/"==d[0]&&(b=b.substring(2));a[c]=b+"<"+d;"/"!=d[0]&&"/>"!=d.slice(-2)&&(b+="  ")}a=a.join("\n");a=a.replace(/(<(\w+)\b[^>]*>[^\n]*)\n *<\/\2>/g,"$1</$2>");return a.replace(/^\n/,"")};
-Blockly.Xml.textToDom=function(a){var b=Blockly.utils.xml.textToDomDocument(a);if(!b||!b.documentElement||b.getElementsByTagName("parsererror").length)throw Error("textToDom was unable to parse: "+a);return b.documentElement};Blockly.Xml.clearWorkspaceAndLoadFromXml=function(a,b){b.setResizesEnabled(!1);b.clear();a=Blockly.Xml.domToWorkspace(a,b);b.setResizesEnabled(!0);return a};
-Blockly.Xml.domToWorkspace=function(a,b){if(a instanceof Blockly.Workspace){var c=a;a=b;b=c;console.warn("Deprecated call to Blockly.Xml.domToWorkspace, swap the arguments.")}var d;b.RTL&&(d=b.getWidth());c=[];Blockly.utils.dom.startTextWidthCache();var e=Blockly.Events.getGroup();e||Blockly.Events.setGroup(!0);b.setResizesEnabled&&b.setResizesEnabled(!1);var f=!0;try{for(var g=0,h;h=a.childNodes[g];g++){var k=h.nodeName.toLowerCase(),l=h;if("block"==k||"shadow"==k&&!Blockly.Events.recordUndo){var m=
-Blockly.Xml.domToBlock(l,b);c.push(m.id);var n=l.hasAttribute("x")?parseInt(l.getAttribute("x"),10):10,p=l.hasAttribute("y")?parseInt(l.getAttribute("y"),10):10;isNaN(n)||isNaN(p)||m.moveBy(b.RTL?d-n:n,p);f=!1}else{if("shadow"==k)throw TypeError("Shadow block cannot be a top-level block.");if("comment"==k)b.rendered?Blockly.WorkspaceCommentSvg?Blockly.WorkspaceCommentSvg.fromXml(l,b,d):console.warn("Missing require for Blockly.WorkspaceCommentSvg, ignoring workspace comment."):Blockly.WorkspaceComment?
-Blockly.WorkspaceComment.fromXml(l,b):console.warn("Missing require for Blockly.WorkspaceComment, ignoring workspace comment.");else if("variables"==k){if(f)Blockly.Xml.domToVariables(l,b);else throw Error("'variables' tag must exist once before block and shadow tag elements in the workspace XML, but it was found in another location.");f=!1}}}}finally{e||Blockly.Events.setGroup(!1),Blockly.utils.dom.stopTextWidthCache()}b.setResizesEnabled&&b.setResizesEnabled(!0);Blockly.Events.fire(new Blockly.Events.FinishedLoading(b));
-return c};Blockly.Xml.appendDomToWorkspace=function(a,b){var c;Object.prototype.hasOwnProperty.call(b,"scale")&&(c=b.getBlocksBoundingBox());a=Blockly.Xml.domToWorkspace(a,b);if(c&&c.top!=c.bottom){var d=c.bottom;var e=b.RTL?c.right:c.left;var f=Infinity,g=-Infinity,h=Infinity;for(c=0;c<a.length;c++){var k=b.getBlockById(a[c]).getRelativeToSurfaceXY();k.y<h&&(h=k.y);k.x<f&&(f=k.x);k.x>g&&(g=k.x)}d=d-h+10;e=b.RTL?e-g:e-f;for(c=0;c<a.length;c++)b.getBlockById(a[c]).moveBy(e,d)}return a};
-Blockly.Xml.domToBlock=function(a,b){if(a instanceof Blockly.Workspace){var c=a;a=b;b=c;console.warn("Deprecated call to Blockly.Xml.domToBlock, swap the arguments.")}Blockly.Events.disable();c=b.getAllVariables();try{var d=Blockly.Xml.domToBlockHeadless_(a,b),e=d.getDescendants(!1);if(b.rendered){d.setConnectionTracking(!1);for(var f=e.length-1;0<=f;f--)e[f].initSvg();for(f=e.length-1;0<=f;f--)e[f].render(!1);setTimeout(function(){d.disposed||d.setConnectionTracking(!0)},1);d.updateDisabled();b.resizeContents()}else for(f=
-e.length-1;0<=f;f--)e[f].initModel()}finally{Blockly.Events.enable()}if(Blockly.Events.isEnabled()){a=Blockly.Variables.getAddedVariables(b,c);for(f=0;f<a.length;f++)Blockly.Events.fire(new Blockly.Events.VarCreate(a[f]));Blockly.Events.fire(new Blockly.Events.BlockCreate(d))}return d};
-Blockly.Xml.domToVariables=function(a,b){for(var c=0,d;d=a.childNodes[c];c++)if(d.nodeType==Blockly.utils.dom.NodeType.ELEMENT_NODE){var e=d.getAttribute("type"),f=d.getAttribute("id");b.createVariable(d.textContent,e,f)}};
-Blockly.Xml.domToBlockHeadless_=function(a,b){var c=null,d=a.getAttribute("type");if(!d)throw TypeError("Block type unspecified: "+a.outerHTML);var e=a.getAttribute("id");c=b.newBlock(d,e);var f=null;e=0;for(var g;g=a.childNodes[e];e++)if(g.nodeType!=Blockly.utils.dom.NodeType.TEXT_NODE){for(var h,k=f=null,l=0;h=g.childNodes[l];l++)h.nodeType==Blockly.utils.dom.NodeType.ELEMENT_NODE&&("block"==h.nodeName.toLowerCase()?f=h:"shadow"==h.nodeName.toLowerCase()&&(k=h));l=!1;var m=g.getAttribute("name");
-h=g;switch(g.nodeName.toLowerCase()){case "mutation":c.domToMutation&&(c.domToMutation(h),c.initSvg&&(l=!0));break;case "comment":if(!Blockly.Comment){console.warn("Missing require for Blockly.Comment, ignoring block comment.");break}k=h.textContent;f="true"==h.getAttribute("pinned");g=parseInt(h.getAttribute("w"),10);h=parseInt(h.getAttribute("h"),10);c.setCommentText(k);c.commentModel.pinned=f;isNaN(g)||isNaN(h)||(c.commentModel.size=new Blockly.utils.Size(g,h));f&&c.getCommentIcon&&!c.isInFlyout&&
-setTimeout(function(){c.getCommentIcon().setVisible(!0)},1);break;case "data":c.data=g.textContent;break;case "title":case "field":Blockly.Xml.domToField_(c,m,h);break;case "value":case "statement":h=c.getInput(m);if(!h){console.warn("Ignoring non-existent input "+m+" in block "+d);break}if(f)if(f=Blockly.Xml.domToBlockHeadless_(f,b),f.outputConnection)h.connection.connect(f.outputConnection);else if(f.previousConnection)h.connection.connect(f.previousConnection);else throw TypeError("Child block does not have output or previous statement.");
-k&&h.connection.setShadowDom(k);break;case "next":if(f){if(!c.nextConnection)throw TypeError("Next statement does not exist.");if(c.nextConnection.isConnected())throw TypeError("Next statement is already connected.");f=Blockly.Xml.domToBlockHeadless_(f,b);if(!f.previousConnection)throw TypeError("Next block does not have previous statement.");c.nextConnection.connect(f.previousConnection)}k&&c.nextConnection&&c.nextConnection.setShadowDom(k);break;default:console.warn("Ignoring unknown tag: "+g.nodeName)}}l&&
-c.initSvg();(e=a.getAttribute("inline"))&&c.setInputsInline("true"==e);(e=a.getAttribute("disabled"))&&c.setEnabled("true"!=e&&"disabled"!=e);(e=a.getAttribute("deletable"))&&c.setDeletable("true"==e);(e=a.getAttribute("movable"))&&c.setMovable("true"==e);(e=a.getAttribute("editable"))&&c.setEditable("true"==e);(e=a.getAttribute("collapsed"))&&c.setCollapsed("true"==e);if("shadow"==a.nodeName.toLowerCase()){a=c.getChildren(!1);for(e=0;b=a[e];e++)if(!b.isShadow())throw TypeError("Shadow block not allowed non-shadow child.");
-if(c.getVarModels().length)throw TypeError("Shadow blocks cannot have variable references.");c.setShadow(!0)}return c};Blockly.Xml.domToField_=function(a,b,c){var d=a.getField(b);d?d.fromXml(c):console.warn("Ignoring non-existent field "+b+" in block "+a.type)};Blockly.Xml.deleteNext=function(a){for(var b=0,c;c=a.childNodes[b];b++)if("next"==c.nodeName.toLowerCase()){a.removeChild(c);break}};Blockly.Options=function(a){var b=!!a.readOnly;if(b)var c=null,d=!1,e=!1,f=!1,g=!1,h=!1,k=!1;else{c=Blockly.utils.toolbox.convertToolboxDefToJson(a.toolbox);d=Blockly.utils.toolbox.hasCategories(c);e=a.trashcan;void 0===e&&(e=d);var l=a.maxTrashcanContents;e?void 0===l&&(l=32):l=0;f=a.collapse;void 0===f&&(f=d);g=a.comments;void 0===g&&(g=d);h=a.disable;void 0===h&&(h=d);k=a.sounds;void 0===k&&(k=!0)}var m=!!a.rtl,n=a.horizontalLayout;void 0===n&&(n=!1);var p=a.toolboxPosition;p="end"!==p;p=n?p?Blockly.utils.toolbox.Position.TOP:
-Blockly.utils.toolbox.Position.BOTTOM:p==m?Blockly.utils.toolbox.Position.RIGHT:Blockly.utils.toolbox.Position.LEFT;var q=a.css;void 0===q&&(q=!0);var t="https://blockly-demo.appspot.com/static/media/";a.media?t=a.media:a.path&&(t=a.path+"media/");var r=void 0===a.oneBasedIndex?!0:!!a.oneBasedIndex,u=a.keyMap||Blockly.user.keyMap.createDefaultKeyMap(),v=a.renderer||"geras",w=a.plugins||{};this.RTL=m;this.oneBasedIndex=r;this.collapse=f;this.comments=g;this.disable=h;this.readOnly=b;this.maxBlocks=
-a.maxBlocks||Infinity;this.maxInstances=a.maxInstances;this.pathToMedia=t;this.hasCategories=d;this.moveOptions=Blockly.Options.parseMoveOptions_(a,d);this.hasScrollbars=this.moveOptions.scrollbars;this.hasTrashcan=e;this.maxTrashcanContents=l;this.hasSounds=k;this.hasCss=q;this.horizontalLayout=n;this.languageTree=c;this.gridOptions=Blockly.Options.parseGridOptions_(a);this.zoomOptions=Blockly.Options.parseZoomOptions_(a);this.toolboxPosition=p;this.theme=Blockly.Options.parseThemeOptions_(a);this.keyMap=
-u;this.renderer=v;this.rendererOverrides=a.rendererOverrides;this.gridPattern=null;this.parentWorkspace=a.parentWorkspace;this.plugins=w};Blockly.BlocklyOptions=function(){};Blockly.Options.parseMoveOptions_=function(a,b){var c=a.move||{},d={};d.scrollbars=void 0===c.scrollbars&&void 0===a.scrollbars?b:!!c.scrollbars||!!a.scrollbars;d.wheel=d.scrollbars&&void 0!==c.wheel?!!c.wheel:!1;d.drag=d.scrollbars?void 0===c.drag?!0:!!c.drag:!1;return d};
-Blockly.Options.parseZoomOptions_=function(a){a=a.zoom||{};var b={};b.controls=void 0===a.controls?!1:!!a.controls;b.wheel=void 0===a.wheel?!1:!!a.wheel;b.startScale=void 0===a.startScale?1:Number(a.startScale);b.maxScale=void 0===a.maxScale?3:Number(a.maxScale);b.minScale=void 0===a.minScale?.3:Number(a.minScale);b.scaleSpeed=void 0===a.scaleSpeed?1.2:Number(a.scaleSpeed);b.pinch=void 0===a.pinch?b.wheel||b.controls:!!a.pinch;return b};
-Blockly.Options.parseGridOptions_=function(a){a=a.grid||{};var b={};b.spacing=Number(a.spacing)||0;b.colour=a.colour||"#888";b.length=void 0===a.length?1:Number(a.length);b.snap=0<b.spacing&&!!a.snap;return b};Blockly.Options.parseThemeOptions_=function(a){a=a.theme||Blockly.Themes.Classic;return"string"==typeof a?Blockly.registry.getObject(Blockly.registry.Type.THEME,a):a instanceof Blockly.Theme?a:Blockly.Theme.defineTheme(a.name||"builtin"+Blockly.utils.IdGenerator.getNextUniqueId(),a)};Blockly.Touch={};Blockly.Touch.TOUCH_ENABLED="ontouchstart"in Blockly.utils.global||!!(Blockly.utils.global.document&&document.documentElement&&"ontouchstart"in document.documentElement)||!(!Blockly.utils.global.navigator||!Blockly.utils.global.navigator.maxTouchPoints&&!Blockly.utils.global.navigator.msMaxTouchPoints);Blockly.Touch.touchIdentifier_=null;Blockly.Touch.TOUCH_MAP={};
-Blockly.utils.global.PointerEvent?Blockly.Touch.TOUCH_MAP={mousedown:["pointerdown"],mouseenter:["pointerenter"],mouseleave:["pointerleave"],mousemove:["pointermove"],mouseout:["pointerout"],mouseover:["pointerover"],mouseup:["pointerup","pointercancel"],touchend:["pointerup"],touchcancel:["pointercancel"]}:Blockly.Touch.TOUCH_ENABLED&&(Blockly.Touch.TOUCH_MAP={mousedown:["touchstart"],mousemove:["touchmove"],mouseup:["touchend","touchcancel"]});Blockly.longPid_=0;
-Blockly.longStart=function(a,b){Blockly.longStop_();a.changedTouches&&1!=a.changedTouches.length||(Blockly.longPid_=setTimeout(function(){a.changedTouches&&(a.button=2,a.clientX=a.changedTouches[0].clientX,a.clientY=a.changedTouches[0].clientY);b&&b.handleRightClick(a)},Blockly.LONGPRESS))};Blockly.longStop_=function(){Blockly.longPid_&&(clearTimeout(Blockly.longPid_),Blockly.longPid_=0)};Blockly.Touch.clearTouchIdentifier=function(){Blockly.Touch.touchIdentifier_=null};
-Blockly.Touch.shouldHandleEvent=function(a){return!Blockly.Touch.isMouseOrTouchEvent(a)||Blockly.Touch.checkTouchIdentifier(a)};Blockly.Touch.getTouchIdentifierFromEvent=function(a){return void 0!=a.pointerId?a.pointerId:a.changedTouches&&a.changedTouches[0]&&void 0!==a.changedTouches[0].identifier&&null!==a.changedTouches[0].identifier?a.changedTouches[0].identifier:"mouse"};
-Blockly.Touch.checkTouchIdentifier=function(a){var b=Blockly.Touch.getTouchIdentifierFromEvent(a);return void 0!==Blockly.Touch.touchIdentifier_&&null!==Blockly.Touch.touchIdentifier_?Blockly.Touch.touchIdentifier_==b:"mousedown"==a.type||"touchstart"==a.type||"pointerdown"==a.type?(Blockly.Touch.touchIdentifier_=b,!0):!1};Blockly.Touch.setClientFromTouch=function(a){if(Blockly.utils.string.startsWith(a.type,"touch")){var b=a.changedTouches[0];a.clientX=b.clientX;a.clientY=b.clientY}};
-Blockly.Touch.isMouseOrTouchEvent=function(a){return Blockly.utils.string.startsWith(a.type,"touch")||Blockly.utils.string.startsWith(a.type,"mouse")||Blockly.utils.string.startsWith(a.type,"pointer")};Blockly.Touch.isTouchEvent=function(a){return Blockly.utils.string.startsWith(a.type,"touch")||Blockly.utils.string.startsWith(a.type,"pointer")};
-Blockly.Touch.splitEventByTouches=function(a){var b=[];if(a.changedTouches)for(var c=0;c<a.changedTouches.length;c++)b[c]={type:a.type,changedTouches:[a.changedTouches[c]],target:a.target,stopPropagation:function(){a.stopPropagation()},preventDefault:function(){a.preventDefault()}};else b.push(a);return b};Blockly.ScrollbarPair=function(a){this.workspace_=a;this.hScroll=new Blockly.Scrollbar(a,!0,!0,"blocklyMainWorkspaceScrollbar");this.vScroll=new Blockly.Scrollbar(a,!1,!0,"blocklyMainWorkspaceScrollbar");this.corner_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{height:Blockly.Scrollbar.scrollbarThickness,width:Blockly.Scrollbar.scrollbarThickness,"class":"blocklyScrollbarBackground"},null);Blockly.utils.dom.insertAfter(this.corner_,a.getBubbleCanvas());this.oldHostMetrics_=null};
-Blockly.ScrollbarPair.prototype.dispose=function(){Blockly.utils.dom.removeNode(this.corner_);this.oldHostMetrics_=this.workspace_=this.corner_=null;this.hScroll.dispose();this.hScroll=null;this.vScroll.dispose();this.vScroll=null};
-Blockly.ScrollbarPair.prototype.resize=function(){var a=this.workspace_.getMetrics();if(a){var b=!1,c=!1;this.oldHostMetrics_&&this.oldHostMetrics_.viewWidth==a.viewWidth&&this.oldHostMetrics_.viewHeight==a.viewHeight&&this.oldHostMetrics_.absoluteTop==a.absoluteTop&&this.oldHostMetrics_.absoluteLeft==a.absoluteLeft?(this.oldHostMetrics_&&this.oldHostMetrics_.contentWidth==a.contentWidth&&this.oldHostMetrics_.viewLeft==a.viewLeft&&this.oldHostMetrics_.contentLeft==a.contentLeft||(b=!0),this.oldHostMetrics_&&
-this.oldHostMetrics_.contentHeight==a.contentHeight&&this.oldHostMetrics_.viewTop==a.viewTop&&this.oldHostMetrics_.contentTop==a.contentTop||(c=!0)):c=b=!0;if(b||c){try{Blockly.Events.disable(),b&&this.hScroll.resize(a),c&&this.vScroll.resize(a)}finally{Blockly.Events.enable()}this.workspace_.maybeFireViewportChangeEvent()}this.oldHostMetrics_&&this.oldHostMetrics_.viewWidth==a.viewWidth&&this.oldHostMetrics_.absoluteLeft==a.absoluteLeft||this.corner_.setAttribute("x",this.vScroll.position.x);this.oldHostMetrics_&&
-this.oldHostMetrics_.viewHeight==a.viewHeight&&this.oldHostMetrics_.absoluteTop==a.absoluteTop||this.corner_.setAttribute("y",this.hScroll.position.y);this.oldHostMetrics_=a}};Blockly.ScrollbarPair.prototype.set=function(a,b){var c={};a*=this.hScroll.ratio;b*=this.vScroll.ratio;var d=this.vScroll.scrollViewSize_;c.x=this.getRatio_(a,this.hScroll.scrollViewSize_);c.y=this.getRatio_(b,d);this.workspace_.setMetrics(c);this.hScroll.setHandlePosition(a);this.vScroll.setHandlePosition(b)};
-Blockly.ScrollbarPair.prototype.getRatio_=function(a,b){a/=b;return isNaN(a)?0:a};
-Blockly.Scrollbar=function(a,b,c,d){this.workspace_=a;this.pair_=c||!1;this.horizontal_=b;this.ratio=this.oldHostMetrics_=null;this.createDom_(d);this.position=new Blockly.utils.Coordinate(0,0);a=Blockly.Scrollbar.scrollbarThickness;b?(this.svgBackground_.setAttribute("height",a),this.outerSvg_.setAttribute("height",a),this.svgHandle_.setAttribute("height",a-5),this.svgHandle_.setAttribute("y",2.5),this.lengthAttribute_="width",this.positionAttribute_="x"):(this.svgBackground_.setAttribute("width",
-a),this.outerSvg_.setAttribute("width",a),this.svgHandle_.setAttribute("width",a-5),this.svgHandle_.setAttribute("x",2.5),this.lengthAttribute_="height",this.positionAttribute_="y");this.onMouseDownBarWrapper_=Blockly.bindEventWithChecks_(this.svgBackground_,"mousedown",this,this.onMouseDownBar_);this.onMouseDownHandleWrapper_=Blockly.bindEventWithChecks_(this.svgHandle_,"mousedown",this,this.onMouseDownHandle_)};Blockly.Scrollbar.prototype.origin_=new Blockly.utils.Coordinate(0,0);
-Blockly.Scrollbar.prototype.startDragMouse_=0;Blockly.Scrollbar.prototype.scrollViewSize_=0;Blockly.Scrollbar.prototype.handleLength_=0;Blockly.Scrollbar.prototype.handlePosition_=0;Blockly.Scrollbar.prototype.isVisible_=!0;Blockly.Scrollbar.prototype.containerVisible_=!0;Blockly.Scrollbar.scrollbarThickness=15;Blockly.Touch.TOUCH_ENABLED&&(Blockly.Scrollbar.scrollbarThickness=25);
-Blockly.Scrollbar.metricsAreEquivalent_=function(a,b){return a&&b&&a.viewWidth==b.viewWidth&&a.viewHeight==b.viewHeight&&a.viewLeft==b.viewLeft&&a.viewTop==b.viewTop&&a.absoluteTop==b.absoluteTop&&a.absoluteLeft==b.absoluteLeft&&a.contentWidth==b.contentWidth&&a.contentHeight==b.contentHeight&&a.contentLeft==b.contentLeft&&a.contentTop==b.contentTop?!0:!1};
-Blockly.Scrollbar.prototype.dispose=function(){this.cleanUp_();Blockly.unbindEvent_(this.onMouseDownBarWrapper_);this.onMouseDownBarWrapper_=null;Blockly.unbindEvent_(this.onMouseDownHandleWrapper_);this.onMouseDownHandleWrapper_=null;Blockly.utils.dom.removeNode(this.outerSvg_);this.svgBackground_=this.svgGroup_=this.outerSvg_=null;this.svgHandle_&&(this.workspace_.getThemeManager().unsubscribe(this.svgHandle_),this.svgHandle_=null);this.workspace_=null};
-Blockly.Scrollbar.prototype.setHandleLength_=function(a){this.handleLength_=a;this.svgHandle_.setAttribute(this.lengthAttribute_,this.handleLength_)};Blockly.Scrollbar.prototype.setHandlePosition=function(a){this.handlePosition_=a;this.svgHandle_.setAttribute(this.positionAttribute_,this.handlePosition_)};
-Blockly.Scrollbar.prototype.setScrollViewSize_=function(a){this.scrollViewSize_=a;this.outerSvg_.setAttribute(this.lengthAttribute_,this.scrollViewSize_);this.svgBackground_.setAttribute(this.lengthAttribute_,this.scrollViewSize_)};Blockly.ScrollbarPair.prototype.setContainerVisible=function(a){this.hScroll.setContainerVisible(a);this.vScroll.setContainerVisible(a)};
-Blockly.Scrollbar.prototype.setPosition=function(a,b){this.position.x=a;this.position.y=b;Blockly.utils.dom.setCssTransform(this.outerSvg_,"translate("+(this.position.x+this.origin_.x)+"px,"+(this.position.y+this.origin_.y)+"px)")};Blockly.Scrollbar.prototype.resize=function(a){if(!a&&(a=this.workspace_.getMetrics(),!a))return;Blockly.Scrollbar.metricsAreEquivalent_(a,this.oldHostMetrics_)||(this.oldHostMetrics_=a,this.horizontal_?this.resizeHorizontal_(a):this.resizeVertical_(a),this.onScroll_())};
-Blockly.Scrollbar.prototype.resizeHorizontal_=function(a){this.resizeViewHorizontal(a)};Blockly.Scrollbar.prototype.resizeViewHorizontal=function(a){var b=a.viewWidth-1;this.pair_&&(b-=Blockly.Scrollbar.scrollbarThickness);this.setScrollViewSize_(Math.max(0,b));b=a.absoluteLeft+.5;this.pair_&&this.workspace_.RTL&&(b+=Blockly.Scrollbar.scrollbarThickness);this.setPosition(b,a.absoluteTop+a.viewHeight-Blockly.Scrollbar.scrollbarThickness-.5);this.resizeContentHorizontal(a)};
-Blockly.Scrollbar.prototype.resizeContentHorizontal=function(a){this.pair_||this.setVisible(this.scrollViewSize_<a.contentWidth);this.ratio=this.scrollViewSize_/a.contentWidth;if(-Infinity==this.ratio||Infinity==this.ratio||isNaN(this.ratio))this.ratio=0;this.setHandleLength_(Math.max(0,a.viewWidth*this.ratio));this.setHandlePosition(this.constrainHandle_((a.viewLeft-a.contentLeft)*this.ratio))};Blockly.Scrollbar.prototype.resizeVertical_=function(a){this.resizeViewVertical(a)};
-Blockly.Scrollbar.prototype.resizeViewVertical=function(a){var b=a.viewHeight-1;this.pair_&&(b-=Blockly.Scrollbar.scrollbarThickness);this.setScrollViewSize_(Math.max(0,b));b=a.absoluteLeft+.5;this.workspace_.RTL||(b+=a.viewWidth-Blockly.Scrollbar.scrollbarThickness-1);this.setPosition(b,a.absoluteTop+.5);this.resizeContentVertical(a)};
-Blockly.Scrollbar.prototype.resizeContentVertical=function(a){this.pair_||this.setVisible(this.scrollViewSize_<a.contentHeight);this.ratio=this.scrollViewSize_/a.contentHeight;if(-Infinity==this.ratio||Infinity==this.ratio||isNaN(this.ratio))this.ratio=0;this.setHandleLength_(Math.max(0,a.viewHeight*this.ratio));this.setHandlePosition(this.constrainHandle_((a.viewTop-a.contentTop)*this.ratio))};
-Blockly.Scrollbar.prototype.createDom_=function(a){var b="blocklyScrollbar"+(this.horizontal_?"Horizontal":"Vertical");a&&(b+=" "+a);this.outerSvg_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.SVG,{"class":b},null);this.svgGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{},this.outerSvg_);this.svgBackground_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{"class":"blocklyScrollbarBackground"},this.svgGroup_);a=Math.floor((Blockly.Scrollbar.scrollbarThickness-5)/2);
-this.svgHandle_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{"class":"blocklyScrollbarHandle",rx:a,ry:a},this.svgGroup_);this.workspace_.getThemeManager().subscribe(this.svgHandle_,"scrollbarColour","fill");this.workspace_.getThemeManager().subscribe(this.svgHandle_,"scrollbarOpacity","fill-opacity");Blockly.utils.dom.insertAfter(this.outerSvg_,this.workspace_.getParentSvg())};Blockly.Scrollbar.prototype.isVisible=function(){return this.isVisible_};
-Blockly.Scrollbar.prototype.setContainerVisible=function(a){var b=a!=this.containerVisible_;this.containerVisible_=a;b&&this.updateDisplay_()};Blockly.Scrollbar.prototype.setVisible=function(a){var b=a!=this.isVisible();if(this.pair_)throw Error("Unable to toggle visibility of paired scrollbars.");this.isVisible_=a;b&&this.updateDisplay_()};
-Blockly.Scrollbar.prototype.updateDisplay_=function(){this.containerVisible_&&this.isVisible()?this.outerSvg_.setAttribute("display","block"):this.outerSvg_.setAttribute("display","none")};
-Blockly.Scrollbar.prototype.onMouseDownBar_=function(a){this.workspace_.markFocused();Blockly.Touch.clearTouchIdentifier();this.cleanUp_();if(Blockly.utils.isRightButton(a))a.stopPropagation();else{var b=Blockly.utils.mouseToSvg(a,this.workspace_.getParentSvg(),this.workspace_.getInverseScreenCTM());b=this.horizontal_?b.x:b.y;var c=Blockly.utils.getInjectionDivXY_(this.svgHandle_);c=this.horizontal_?c.x:c.y;var d=this.handlePosition_,e=.95*this.handleLength_;b<=c?d-=e:b>=c+this.handleLength_&&(d+=
-e);this.setHandlePosition(this.constrainHandle_(d));this.onScroll_();a.stopPropagation();a.preventDefault()}};
-Blockly.Scrollbar.prototype.onMouseDownHandle_=function(a){this.workspace_.markFocused();this.cleanUp_();Blockly.utils.isRightButton(a)?a.stopPropagation():(this.startDragHandle=this.handlePosition_,this.workspace_.setupDragSurface(),this.startDragMouse_=this.horizontal_?a.clientX:a.clientY,Blockly.Scrollbar.onMouseUpWrapper_=Blockly.bindEventWithChecks_(document,"mouseup",this,this.onMouseUpHandle_),Blockly.Scrollbar.onMouseMoveWrapper_=Blockly.bindEventWithChecks_(document,"mousemove",this,this.onMouseMoveHandle_),
-a.stopPropagation(),a.preventDefault())};Blockly.Scrollbar.prototype.onMouseMoveHandle_=function(a){this.setHandlePosition(this.constrainHandle_(this.startDragHandle+((this.horizontal_?a.clientX:a.clientY)-this.startDragMouse_)));this.onScroll_()};Blockly.Scrollbar.prototype.onMouseUpHandle_=function(){this.workspace_.resetDragSurface();Blockly.Touch.clearTouchIdentifier();this.cleanUp_()};
-Blockly.Scrollbar.prototype.cleanUp_=function(){Blockly.hideChaff(!0);Blockly.Scrollbar.onMouseUpWrapper_&&(Blockly.unbindEvent_(Blockly.Scrollbar.onMouseUpWrapper_),Blockly.Scrollbar.onMouseUpWrapper_=null);Blockly.Scrollbar.onMouseMoveWrapper_&&(Blockly.unbindEvent_(Blockly.Scrollbar.onMouseMoveWrapper_),Blockly.Scrollbar.onMouseMoveWrapper_=null)};
-Blockly.Scrollbar.prototype.constrainHandle_=function(a){return a=0>=a||isNaN(a)||this.scrollViewSize_<this.handleLength_?0:Math.min(a,this.scrollViewSize_-this.handleLength_)};Blockly.Scrollbar.prototype.onScroll_=function(){var a=this.handlePosition_/this.scrollViewSize_;isNaN(a)&&(a=0);var b={};this.horizontal_?b.x=a:b.y=a;this.workspace_.setMetrics(b)};Blockly.Scrollbar.prototype.set=function(a){this.setHandlePosition(this.constrainHandle_(a*this.ratio));this.onScroll_()};
-Blockly.Scrollbar.prototype.setOrigin=function(a,b){this.origin_=new Blockly.utils.Coordinate(a,b)};Blockly.Tooltip={};Blockly.Tooltip.visible=!1;Blockly.Tooltip.blocked_=!1;Blockly.Tooltip.LIMIT=50;Blockly.Tooltip.mouseOutPid_=0;Blockly.Tooltip.showPid_=0;Blockly.Tooltip.lastX_=0;Blockly.Tooltip.lastY_=0;Blockly.Tooltip.element_=null;Blockly.Tooltip.poisonedElement_=null;Blockly.Tooltip.OFFSET_X=0;Blockly.Tooltip.OFFSET_Y=10;Blockly.Tooltip.RADIUS_OK=10;Blockly.Tooltip.HOVER_MS=750;Blockly.Tooltip.MARGINS=5;Blockly.Tooltip.DIV=null;
-Blockly.Tooltip.getTooltipOfObject=function(a){if(a=Blockly.Tooltip.getTargetObject_(a)){for(a=a.tooltip;"function"==typeof a;)a=a();if("string"!=typeof a)throw Error("Tooltip function must return a string.");return a}return""};Blockly.Tooltip.getTargetObject_=function(a){for(;a&&a.tooltip;){if("string"==typeof a.tooltip||"function"==typeof a.tooltip)return a;a=a.tooltip}return null};
-Blockly.Tooltip.createDom=function(){Blockly.Tooltip.DIV||(Blockly.Tooltip.DIV=document.createElement("div"),Blockly.Tooltip.DIV.className="blocklyTooltipDiv",(Blockly.parentContainer||document.body).appendChild(Blockly.Tooltip.DIV))};
-Blockly.Tooltip.bindMouseEvents=function(a){a.mouseOverWrapper_=Blockly.bindEvent_(a,"mouseover",null,Blockly.Tooltip.onMouseOver_);a.mouseOutWrapper_=Blockly.bindEvent_(a,"mouseout",null,Blockly.Tooltip.onMouseOut_);a.addEventListener("mousemove",Blockly.Tooltip.onMouseMove_,!1)};Blockly.Tooltip.unbindMouseEvents=function(a){a&&(Blockly.unbindEvent_(a.mouseOverWrapper_),Blockly.unbindEvent_(a.mouseOutWrapper_),a.removeEventListener("mousemove",Blockly.Tooltip.onMouseMove_))};
-Blockly.Tooltip.onMouseOver_=function(a){Blockly.Tooltip.blocked_||(a=Blockly.Tooltip.getTargetObject_(a.currentTarget),Blockly.Tooltip.element_!=a&&(Blockly.Tooltip.hide(),Blockly.Tooltip.poisonedElement_=null,Blockly.Tooltip.element_=a),clearTimeout(Blockly.Tooltip.mouseOutPid_))};Blockly.Tooltip.onMouseOut_=function(a){Blockly.Tooltip.blocked_||(Blockly.Tooltip.mouseOutPid_=setTimeout(function(){Blockly.Tooltip.element_=null;Blockly.Tooltip.poisonedElement_=null;Blockly.Tooltip.hide()},1),clearTimeout(Blockly.Tooltip.showPid_))};
-Blockly.Tooltip.onMouseMove_=function(a){if(Blockly.Tooltip.element_&&Blockly.Tooltip.element_.tooltip&&!Blockly.Tooltip.blocked_)if(Blockly.Tooltip.visible){var b=Blockly.Tooltip.lastX_-a.pageX;a=Blockly.Tooltip.lastY_-a.pageY;Math.sqrt(b*b+a*a)>Blockly.Tooltip.RADIUS_OK&&Blockly.Tooltip.hide()}else Blockly.Tooltip.poisonedElement_!=Blockly.Tooltip.element_&&(clearTimeout(Blockly.Tooltip.showPid_),Blockly.Tooltip.lastX_=a.pageX,Blockly.Tooltip.lastY_=a.pageY,Blockly.Tooltip.showPid_=setTimeout(Blockly.Tooltip.show_,
-Blockly.Tooltip.HOVER_MS))};Blockly.Tooltip.dispose=function(){Blockly.Tooltip.element_=null;Blockly.Tooltip.poisonedElement_=null;Blockly.Tooltip.hide()};Blockly.Tooltip.hide=function(){Blockly.Tooltip.visible&&(Blockly.Tooltip.visible=!1,Blockly.Tooltip.DIV&&(Blockly.Tooltip.DIV.style.display="none"));Blockly.Tooltip.showPid_&&clearTimeout(Blockly.Tooltip.showPid_)};Blockly.Tooltip.block=function(){Blockly.Tooltip.hide();Blockly.Tooltip.blocked_=!0};
-Blockly.Tooltip.unblock=function(){Blockly.Tooltip.blocked_=!1};
-Blockly.Tooltip.show_=function(){if(!Blockly.Tooltip.blocked_&&(Blockly.Tooltip.poisonedElement_=Blockly.Tooltip.element_,Blockly.Tooltip.DIV)){Blockly.Tooltip.DIV.textContent="";var a=Blockly.Tooltip.getTooltipOfObject(Blockly.Tooltip.element_);a=Blockly.utils.string.wrap(a,Blockly.Tooltip.LIMIT);a=a.split("\n");for(var b=0;b<a.length;b++){var c=document.createElement("div");c.appendChild(document.createTextNode(a[b]));Blockly.Tooltip.DIV.appendChild(c)}a=Blockly.Tooltip.element_.RTL;b=document.documentElement.clientWidth;
-c=document.documentElement.clientHeight;Blockly.Tooltip.DIV.style.direction=a?"rtl":"ltr";Blockly.Tooltip.DIV.style.display="block";Blockly.Tooltip.visible=!0;var d=Blockly.Tooltip.lastX_;d=a?d-(Blockly.Tooltip.OFFSET_X+Blockly.Tooltip.DIV.offsetWidth):d+Blockly.Tooltip.OFFSET_X;var e=Blockly.Tooltip.lastY_+Blockly.Tooltip.OFFSET_Y;e+Blockly.Tooltip.DIV.offsetHeight>c+window.scrollY&&(e-=Blockly.Tooltip.DIV.offsetHeight+2*Blockly.Tooltip.OFFSET_Y);a?d=Math.max(Blockly.Tooltip.MARGINS-window.scrollX,
-d):d+Blockly.Tooltip.DIV.offsetWidth>b+window.scrollX-2*Blockly.Tooltip.MARGINS&&(d=b-Blockly.Tooltip.DIV.offsetWidth-2*Blockly.Tooltip.MARGINS);Blockly.Tooltip.DIV.style.top=e+"px";Blockly.Tooltip.DIV.style.left=d+"px"}};Blockly.WorkspaceDragSurfaceSvg=function(a){this.container_=a;this.createDom()};Blockly.WorkspaceDragSurfaceSvg.prototype.SVG_=null;Blockly.WorkspaceDragSurfaceSvg.prototype.container_=null;
-Blockly.WorkspaceDragSurfaceSvg.prototype.createDom=function(){this.SVG_||(this.SVG_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.SVG,{xmlns:Blockly.utils.dom.SVG_NS,"xmlns:html":Blockly.utils.dom.HTML_NS,"xmlns:xlink":Blockly.utils.dom.XLINK_NS,version:"1.1","class":"blocklyWsDragSurface blocklyOverflowVisible"},null),this.container_.appendChild(this.SVG_))};
-Blockly.WorkspaceDragSurfaceSvg.prototype.translateSurface=function(a,b){a=a.toFixed(0);b=b.toFixed(0);this.SVG_.style.display="block";Blockly.utils.dom.setCssTransform(this.SVG_,"translate3d("+a+"px, "+b+"px, 0px)")};Blockly.WorkspaceDragSurfaceSvg.prototype.getSurfaceTranslation=function(){return Blockly.utils.getRelativeXY(this.SVG_)};
-Blockly.WorkspaceDragSurfaceSvg.prototype.clearAndHide=function(a){if(!a)throw Error("Couldn't clear and hide the drag surface: missing new surface.");var b=this.SVG_.childNodes[0],c=this.SVG_.childNodes[1];if(!(b&&c&&Blockly.utils.dom.hasClass(b,"blocklyBlockCanvas")&&Blockly.utils.dom.hasClass(c,"blocklyBubbleCanvas")))throw Error("Couldn't clear and hide the drag surface. A node was missing.");null!=this.previousSibling_?Blockly.utils.dom.insertAfter(b,this.previousSibling_):a.insertBefore(b,a.firstChild);
-Blockly.utils.dom.insertAfter(c,b);this.SVG_.style.display="none";if(this.SVG_.childNodes.length)throw Error("Drag surface was not cleared.");Blockly.utils.dom.setCssTransform(this.SVG_,"");this.previousSibling_=null};
-Blockly.WorkspaceDragSurfaceSvg.prototype.setContentsAndShow=function(a,b,c,d,e,f){if(this.SVG_.childNodes.length)throw Error("Already dragging a block.");this.previousSibling_=c;a.setAttribute("transform","translate(0, 0) scale("+f+")");b.setAttribute("transform","translate(0, 0) scale("+f+")");this.SVG_.setAttribute("width",d);this.SVG_.setAttribute("height",e);this.SVG_.appendChild(a);this.SVG_.appendChild(b);this.SVG_.style.display="block"};Blockly.ASTNode=function(a,b,c){if(!b)throw Error("Cannot create a node without a location.");this.type_=a;this.isConnection_=Blockly.ASTNode.isConnectionType_(a);this.location_=b;this.wsCoordinate_=null;this.processParams_(c||null)};Blockly.ASTNode.types={FIELD:"field",BLOCK:"block",INPUT:"input",OUTPUT:"output",NEXT:"next",PREVIOUS:"previous",STACK:"stack",WORKSPACE:"workspace"};Blockly.ASTNode.NAVIGATE_ALL_FIELDS=!1;Blockly.ASTNode.DEFAULT_OFFSET_Y=-20;Blockly.ASTNode.isConnectionType_=function(a){switch(a){case Blockly.ASTNode.types.PREVIOUS:case Blockly.ASTNode.types.NEXT:case Blockly.ASTNode.types.INPUT:case Blockly.ASTNode.types.OUTPUT:return!0}return!1};
-Blockly.ASTNode.createFieldNode=function(a){return a?new Blockly.ASTNode(Blockly.ASTNode.types.FIELD,a):null};
-Blockly.ASTNode.createConnectionNode=function(a){return a?a.type==Blockly.INPUT_VALUE||a.type==Blockly.NEXT_STATEMENT&&a.getParentInput()?Blockly.ASTNode.createInputNode(a.getParentInput()):a.type==Blockly.NEXT_STATEMENT?new Blockly.ASTNode(Blockly.ASTNode.types.NEXT,a):a.type==Blockly.OUTPUT_VALUE?new Blockly.ASTNode(Blockly.ASTNode.types.OUTPUT,a):a.type==Blockly.PREVIOUS_STATEMENT?new Blockly.ASTNode(Blockly.ASTNode.types.PREVIOUS,a):null:null};
-Blockly.ASTNode.createInputNode=function(a){return a&&a.connection?new Blockly.ASTNode(Blockly.ASTNode.types.INPUT,a.connection):null};Blockly.ASTNode.createBlockNode=function(a){return a?new Blockly.ASTNode(Blockly.ASTNode.types.BLOCK,a):null};Blockly.ASTNode.createStackNode=function(a){return a?new Blockly.ASTNode(Blockly.ASTNode.types.STACK,a):null};Blockly.ASTNode.createWorkspaceNode=function(a,b){return b&&a?new Blockly.ASTNode(Blockly.ASTNode.types.WORKSPACE,a,{wsCoordinate:b}):null};
-Blockly.ASTNode.createTopNode=function(a){var b=a.previousConnection||a.outputConnection;return b?Blockly.ASTNode.createConnectionNode(b):Blockly.ASTNode.createBlockNode(a)};Blockly.ASTNode.prototype.processParams_=function(a){a&&a.wsCoordinate&&(this.wsCoordinate_=a.wsCoordinate)};Blockly.ASTNode.prototype.getLocation=function(){return this.location_};Blockly.ASTNode.prototype.getType=function(){return this.type_};Blockly.ASTNode.prototype.getWsCoordinate=function(){return this.wsCoordinate_};
-Blockly.ASTNode.prototype.isConnection=function(){return this.isConnection_};Blockly.ASTNode.prototype.findNextForInput_=function(){var a=this.location_.getParentInput(),b=a.getSourceBlock();a=b.inputList.indexOf(a)+1;for(var c;c=b.inputList[a];a++){for(var d=c.fieldRow,e=0,f;f=d[e];e++)if(f.isClickable()||Blockly.ASTNode.NAVIGATE_ALL_FIELDS)return Blockly.ASTNode.createFieldNode(f);if(c.connection)return Blockly.ASTNode.createInputNode(c)}return null};
-Blockly.ASTNode.prototype.findNextForField_=function(){var a=this.location_,b=a.getParentInput(),c=a.getSourceBlock(),d=c.inputList.indexOf(b);for(a=b.fieldRow.indexOf(a)+1;b=c.inputList[d];d++){for(var e=b.fieldRow;a<e.length;){if(e[a].isClickable()||Blockly.ASTNode.NAVIGATE_ALL_FIELDS)return Blockly.ASTNode.createFieldNode(e[a]);a++}a=0;if(b.connection)return Blockly.ASTNode.createInputNode(b)}return null};
-Blockly.ASTNode.prototype.findPrevForInput_=function(){for(var a=this.location_.getParentInput(),b=a.getSourceBlock(),c=b.inputList.indexOf(a),d;d=b.inputList[c];c--){if(d.connection&&d!==a)return Blockly.ASTNode.createInputNode(d);d=d.fieldRow;for(var e=d.length-1,f;f=d[e];e--)if(f.isClickable()||Blockly.ASTNode.NAVIGATE_ALL_FIELDS)return Blockly.ASTNode.createFieldNode(f)}return null};
-Blockly.ASTNode.prototype.findPrevForField_=function(){var a=this.location_,b=a.getParentInput(),c=a.getSourceBlock(),d=c.inputList.indexOf(b);a=b.fieldRow.indexOf(a)-1;for(var e;e=c.inputList[d];d--){if(e.connection&&e!==b)return Blockly.ASTNode.createInputNode(e);for(e=e.fieldRow;-1<a;){if(e[a].isClickable()||Blockly.ASTNode.NAVIGATE_ALL_FIELDS)return Blockly.ASTNode.createFieldNode(e[a]);a--}0<=d-1&&(a=c.inputList[d-1].fieldRow.length-1)}return null};
-Blockly.ASTNode.prototype.navigateBetweenStacks_=function(a){var b=this.getLocation();b instanceof Blockly.Block||(b=b.getSourceBlock());if(!b||!b.workspace)return null;var c=b.getRootBlock();b=c.workspace.getTopBlocks(!0);for(var d=0,e;e=b[d];d++)if(c.id==e.id)return a=d+(a?1:-1),-1==a||a==b.length?null:Blockly.ASTNode.createStackNode(b[a]);throw Error("Couldn't find "+(a?"next":"previous")+" stack?!");};
-Blockly.ASTNode.prototype.findTopASTNodeForBlock_=function(a){var b=a.previousConnection||a.outputConnection;return b?Blockly.ASTNode.createConnectionNode(b):Blockly.ASTNode.createBlockNode(a)};Blockly.ASTNode.prototype.getOutAstNodeForBlock_=function(a){if(!a)return null;a=a.getTopStackBlock();var b=a.previousConnection||a.outputConnection;return b&&b.targetConnection&&b.targetConnection.getParentInput()?Blockly.ASTNode.createInputNode(b.targetConnection.getParentInput()):Blockly.ASTNode.createStackNode(a)};
-Blockly.ASTNode.prototype.findFirstFieldOrInput_=function(a){a=a.inputList;for(var b=0,c;c=a[b];b++){for(var d=c.fieldRow,e=0,f;f=d[e];e++)if(f.isClickable()||Blockly.ASTNode.NAVIGATE_ALL_FIELDS)return Blockly.ASTNode.createFieldNode(f);if(c.connection)return Blockly.ASTNode.createInputNode(c)}return null};
-Blockly.ASTNode.prototype.getSourceBlock=function(){return this.getType()===Blockly.ASTNode.types.BLOCK?this.getLocation():this.getType()===Blockly.ASTNode.types.STACK?this.getLocation():this.getType()===Blockly.ASTNode.types.WORKSPACE?null:this.getLocation().getSourceBlock()};
-Blockly.ASTNode.prototype.next=function(){switch(this.type_){case Blockly.ASTNode.types.STACK:return this.navigateBetweenStacks_(!0);case Blockly.ASTNode.types.OUTPUT:var a=this.location_;return Blockly.ASTNode.createBlockNode(a.getSourceBlock());case Blockly.ASTNode.types.FIELD:return this.findNextForField_();case Blockly.ASTNode.types.INPUT:return this.findNextForInput_();case Blockly.ASTNode.types.BLOCK:return Blockly.ASTNode.createConnectionNode(this.location_.nextConnection);case Blockly.ASTNode.types.PREVIOUS:return a=
-this.location_,Blockly.ASTNode.createBlockNode(a.getSourceBlock());case Blockly.ASTNode.types.NEXT:return a=this.location_,Blockly.ASTNode.createConnectionNode(a.targetConnection)}return null};
-Blockly.ASTNode.prototype.in=function(){switch(this.type_){case Blockly.ASTNode.types.WORKSPACE:var a=this.location_.getTopBlocks(!0);if(0<a.length)return Blockly.ASTNode.createStackNode(a[0]);break;case Blockly.ASTNode.types.STACK:return a=this.location_,this.findTopASTNodeForBlock_(a);case Blockly.ASTNode.types.BLOCK:return a=this.location_,this.findFirstFieldOrInput_(a);case Blockly.ASTNode.types.INPUT:return Blockly.ASTNode.createConnectionNode(this.location_.targetConnection)}return null};
-Blockly.ASTNode.prototype.prev=function(){switch(this.type_){case Blockly.ASTNode.types.STACK:return this.navigateBetweenStacks_(!1);case Blockly.ASTNode.types.FIELD:return this.findPrevForField_();case Blockly.ASTNode.types.INPUT:return this.findPrevForInput_();case Blockly.ASTNode.types.BLOCK:var a=this.location_;return Blockly.ASTNode.createConnectionNode(a.previousConnection||a.outputConnection);case Blockly.ASTNode.types.PREVIOUS:a=this.location_;if((a=a.targetConnection)&&!a.getParentInput())return Blockly.ASTNode.createConnectionNode(a);
-break;case Blockly.ASTNode.types.NEXT:return a=this.location_,Blockly.ASTNode.createBlockNode(a.getSourceBlock())}return null};
-Blockly.ASTNode.prototype.out=function(){switch(this.type_){case Blockly.ASTNode.types.STACK:var a=this.location_,b=a.getRelativeToSurfaceXY();b=new Blockly.utils.Coordinate(b.x,b.y+Blockly.ASTNode.DEFAULT_OFFSET_Y);return Blockly.ASTNode.createWorkspaceNode(a.workspace,b);case Blockly.ASTNode.types.OUTPUT:return a=this.location_,(b=a.targetConnection)?Blockly.ASTNode.createConnectionNode(b):Blockly.ASTNode.createStackNode(a.getSourceBlock());case Blockly.ASTNode.types.FIELD:return Blockly.ASTNode.createBlockNode(this.location_.getSourceBlock());
-case Blockly.ASTNode.types.INPUT:return a=this.location_,Blockly.ASTNode.createBlockNode(a.getSourceBlock());case Blockly.ASTNode.types.BLOCK:return a=this.location_,this.getOutAstNodeForBlock_(a);case Blockly.ASTNode.types.PREVIOUS:return a=this.location_,this.getOutAstNodeForBlock_(a.getSourceBlock());case Blockly.ASTNode.types.NEXT:return a=this.location_,this.getOutAstNodeForBlock_(a.getSourceBlock())}return null};Blockly.Blocks=Object.create(null);Blockly.utils.deprecation={};Blockly.utils.deprecation.warn=function(a,b,c,d){a=a+" was deprecated on "+b+" and will be deleted on "+c+".";d&&(a+="\nUse "+d+" instead.");console.warn(a)};Blockly.Connection=function(a,b){this.sourceBlock_=a;this.type=b};Blockly.Connection.CAN_CONNECT=0;Blockly.Connection.REASON_SELF_CONNECTION=1;Blockly.Connection.REASON_WRONG_TYPE=2;Blockly.Connection.REASON_TARGET_NULL=3;Blockly.Connection.REASON_CHECKS_FAILED=4;Blockly.Connection.REASON_DIFFERENT_WORKSPACES=5;Blockly.Connection.REASON_SHADOW_PARENT=6;Blockly.Connection.REASON_DRAG_CHECKS_FAILED=7;Blockly.Connection.prototype.targetConnection=null;Blockly.Connection.prototype.disposed=!1;
-Blockly.Connection.prototype.check_=null;Blockly.Connection.prototype.shadowDom_=null;Blockly.Connection.prototype.x=0;Blockly.Connection.prototype.y=0;
-Blockly.Connection.prototype.connect_=function(a){var b=this,c=b.getSourceBlock(),d=a.getSourceBlock();a.isConnected()&&a.disconnect();if(b.isConnected()){var e=b.targetBlock(),f=b.getShadowDom();b.shadowDom_=null;if(e.isShadow())f=Blockly.Xml.blockToDom(e),e.dispose(!1),e=null;else if(b.type==Blockly.INPUT_VALUE){if(!e.outputConnection)throw Error("Orphan block does not have an output connection.");var g=Blockly.Connection.lastConnectionInRow(d,e);g&&(e.outputConnection.connect(g),e=null)}else if(b.type==
-Blockly.NEXT_STATEMENT){if(!e.previousConnection)throw Error("Orphan block does not have a previous connection.");for(g=d;g.nextConnection;){var h=g.getNextBlock();if(h&&!h.isShadow())g=h;else{e.workspace.connectionChecker.canConnect(e.previousConnection,g.nextConnection,!1)&&(g.nextConnection.connect(e.previousConnection),e=null);break}}}if(e&&(b.disconnect(),Blockly.Events.recordUndo)){var k=Blockly.Events.getGroup();setTimeout(function(){if(e.workspace&&!e.getParent()){Blockly.Events.setGroup(k);
-if(e.outputConnection)e.outputConnection.onFailedConnect(b);else if(e.previousConnection)e.previousConnection.onFailedConnect(b);Blockly.Events.setGroup(!1)}},Blockly.BUMP_DELAY)}b.shadowDom_=f}var l;Blockly.Events.isEnabled()&&(l=new Blockly.Events.BlockMove(d));Blockly.Connection.connectReciprocally_(b,a);d.setParent(c);l&&(l.recordNew(),Blockly.Events.fire(l))};
-Blockly.Connection.prototype.dispose=function(){if(this.isConnected()){this.setShadowDom(null);var a=this.targetBlock();a&&a.unplug()}this.disposed=!0};Blockly.Connection.prototype.getSourceBlock=function(){return this.sourceBlock_};Blockly.Connection.prototype.isSuperior=function(){return this.type==Blockly.INPUT_VALUE||this.type==Blockly.NEXT_STATEMENT};Blockly.Connection.prototype.isConnected=function(){return!!this.targetConnection};
-Blockly.Connection.prototype.canConnectWithReason=function(a){Blockly.utils.deprecation.warn("Connection.prototype.canConnectWithReason","July 2020","July 2021","the workspace's connection checker");return this.getConnectionChecker().canConnectWithReason(this,a,!1)};
-Blockly.Connection.prototype.checkConnection=function(a){Blockly.utils.deprecation.warn("Connection.prototype.checkConnection","July 2020","July 2021","the workspace's connection checker");var b=this.getConnectionChecker(),c=b.canConnectWithReason(this,a,!1);if(c!=Blockly.Connection.CAN_CONNECT)throw Error(b.getErrorMessage(c,this,a));};Blockly.Connection.prototype.getConnectionChecker=function(){return this.sourceBlock_.workspace.connectionChecker};
-Blockly.Connection.prototype.isConnectionAllowed=function(a){Blockly.utils.deprecation.warn("Connection.prototype.isConnectionAllowed","July 2020","July 2021","the workspace's connection checker");return this.getConnectionChecker().canConnect(this,a,!0)};Blockly.Connection.prototype.onFailedConnect=function(a){};
-Blockly.Connection.prototype.connect=function(a){if(this.targetConnection!=a&&this.getConnectionChecker().canConnect(this,a,!1)){var b=Blockly.Events.getGroup();b||Blockly.Events.setGroup(!0);this.isSuperior()?this.connect_(a):a.connect_(this);b||Blockly.Events.setGroup(!1)}};Blockly.Connection.connectReciprocally_=function(a,b){if(!a||!b)throw Error("Cannot connect null connections.");a.targetConnection=b;b.targetConnection=a};
-Blockly.Connection.singleConnection_=function(a,b){var c=null;b=b.outputConnection;for(var d=0;d<a.inputList.length;d++){var e=a.inputList[d].connection,f=b.getConnectionChecker();if(e&&e.type==Blockly.INPUT_VALUE&&f.canConnect(b,e,!1)){if(c)return null;c=e}}return c};Blockly.Connection.lastConnectionInRow=function(a,b){for(var c;c=Blockly.Connection.singleConnection_(a,b);)if(a=c.targetBlock(),!a||a.isShadow())return c;return null};
-Blockly.Connection.prototype.disconnect=function(){var a=this.targetConnection;if(!a)throw Error("Source connection not connected.");if(a.targetConnection!=this)throw Error("Target connection not connected to source connection.");if(this.isSuperior()){var b=this.sourceBlock_;var c=a.getSourceBlock();a=this}else b=a.getSourceBlock(),c=this.sourceBlock_;var d=Blockly.Events.getGroup();d||Blockly.Events.setGroup(!0);this.disconnectInternal_(b,c);c.isShadow()||a.respawnShadow_();d||Blockly.Events.setGroup(!1)};
-Blockly.Connection.prototype.disconnectInternal_=function(a,b){var c;Blockly.Events.isEnabled()&&(c=new Blockly.Events.BlockMove(b));this.targetConnection=this.targetConnection.targetConnection=null;b.setParent(null);c&&(c.recordNew(),Blockly.Events.fire(c))};
-Blockly.Connection.prototype.respawnShadow_=function(){var a=this.getSourceBlock(),b=this.getShadowDom();if(a.workspace&&b)if(a=Blockly.Xml.domToBlock(b,a.workspace),a.outputConnection)this.connect(a.outputConnection);else if(a.previousConnection)this.connect(a.previousConnection);else throw Error("Child block does not have output or previous statement.");};Blockly.Connection.prototype.targetBlock=function(){return this.isConnected()?this.targetConnection.getSourceBlock():null};
-Blockly.Connection.prototype.checkType=function(a){Blockly.utils.deprecation.warn("Connection.prototype.checkType","October 2019","January 2021","the workspace's connection checker");return this.getConnectionChecker().canConnect(this,a,!1)};Blockly.Connection.prototype.checkType_=function(a){Blockly.utils.deprecation.warn("Connection.prototype.checkType_","October 2019","January 2021","the workspace's connection checker");return this.checkType(a)};
-Blockly.Connection.prototype.onCheckChanged_=function(){!this.isConnected()||this.targetConnection&&this.getConnectionChecker().canConnect(this,this.targetConnection,!1)||(this.isSuperior()?this.targetBlock():this.sourceBlock_).unplug()};Blockly.Connection.prototype.setCheck=function(a){a?(Array.isArray(a)||(a=[a]),this.check_=a,this.onCheckChanged_()):this.check_=null;return this};Blockly.Connection.prototype.getCheck=function(){return this.check_};
-Blockly.Connection.prototype.setShadowDom=function(a){this.shadowDom_=a;a=this.targetBlock();a?a.isShadow()&&(a.dispose(!1),this.respawnShadow_()):this.respawnShadow_()};Blockly.Connection.prototype.getShadowDom=function(){return this.shadowDom_};Blockly.Connection.prototype.neighbours=function(a){return[]};Blockly.Connection.prototype.getParentInput=function(){for(var a=null,b=this.sourceBlock_,c=b.inputList,d=0;d<b.inputList.length;d++)if(c[d].connection===this){a=c[d];break}return a};
-Blockly.Connection.prototype.toString=function(){var a=this.sourceBlock_;if(a)if(a.outputConnection==this)var b="Output Connection of ";else if(a.previousConnection==this)b="Previous Connection of ";else if(a.nextConnection==this)b="Next Connection of ";else{b=null;for(var c=0,d;d=a.inputList[c];c++)if(d.connection==this){b=d;break}if(b)b='Input "'+b.name+'" connection on ';else return console.warn("Connection not actually connected to sourceBlock_"),"Orphan Connection"}else return"Orphan Connection";
-return b+a.toDevString()};Blockly.Extensions={};Blockly.Extensions.ALL_={};Blockly.Extensions.register=function(a,b){if("string"!=typeof a||""==a.trim())throw Error('Error: Invalid extension name "'+a+'"');if(Blockly.Extensions.ALL_[a])throw Error('Error: Extension "'+a+'" is already registered.');if("function"!=typeof b)throw Error('Error: Extension "'+a+'" must be a function');Blockly.Extensions.ALL_[a]=b};
-Blockly.Extensions.registerMixin=function(a,b){if(!b||"object"!=typeof b)throw Error('Error: Mixin "'+a+'" must be a object');Blockly.Extensions.register(a,function(){this.mixin(b)})};
-Blockly.Extensions.registerMutator=function(a,b,c,d){var e='Error when registering mutator "'+a+'": ';Blockly.Extensions.checkHasFunction_(e,b.domToMutation,"domToMutation");Blockly.Extensions.checkHasFunction_(e,b.mutationToDom,"mutationToDom");var f=Blockly.Extensions.checkMutatorDialog_(b,e);if(c&&"function"!=typeof c)throw Error('Extension "'+a+'" is not a function');Blockly.Extensions.register(a,function(){if(f){if(!Blockly.Mutator)throw Error(e+"Missing require for Blockly.Mutator");this.setMutator(new Blockly.Mutator(d||
-[]))}this.mixin(b);c&&c.apply(this)})};Blockly.Extensions.unregister=function(a){Blockly.Extensions.ALL_[a]?delete Blockly.Extensions.ALL_[a]:console.warn('No extension mapping for name "'+a+'" found to unregister')};
-Blockly.Extensions.apply=function(a,b,c){var d=Blockly.Extensions.ALL_[a];if("function"!=typeof d)throw Error('Error: Extension "'+a+'" not found.');if(c)Blockly.Extensions.checkNoMutatorProperties_(a,b);else var e=Blockly.Extensions.getMutatorProperties_(b);d.apply(b);if(c)Blockly.Extensions.checkBlockHasMutatorProperties_('Error after applying mutator "'+a+'": ',b);else if(!Blockly.Extensions.mutatorPropertiesMatch_(e,b))throw Error('Error when applying extension "'+a+'": mutation properties changed when applying a non-mutator extension.');
-};Blockly.Extensions.checkHasFunction_=function(a,b,c){if(!b)throw Error(a+'missing required property "'+c+'"');if("function"!=typeof b)throw Error(a+'" required property "'+c+'" must be a function');};Blockly.Extensions.checkNoMutatorProperties_=function(a,b){if(Blockly.Extensions.getMutatorProperties_(b).length)throw Error('Error: tried to apply mutation "'+a+'" to a block that already has mutator functions.  Block id: '+b.id);};
-Blockly.Extensions.checkMutatorDialog_=function(a,b){var c=void 0!==a.compose,d=void 0!==a.decompose;if(c&&d){if("function"!=typeof a.compose)throw Error(b+"compose must be a function.");if("function"!=typeof a.decompose)throw Error(b+"decompose must be a function.");return!0}if(c||d)throw Error(b+'Must have both or neither of "compose" and "decompose"');return!1};
-Blockly.Extensions.checkBlockHasMutatorProperties_=function(a,b){if("function"!=typeof b.domToMutation)throw Error(a+'Applying a mutator didn\'t add "domToMutation"');if("function"!=typeof b.mutationToDom)throw Error(a+'Applying a mutator didn\'t add "mutationToDom"');Blockly.Extensions.checkMutatorDialog_(b,a)};
-Blockly.Extensions.getMutatorProperties_=function(a){var b=[];void 0!==a.domToMutation&&b.push(a.domToMutation);void 0!==a.mutationToDom&&b.push(a.mutationToDom);void 0!==a.compose&&b.push(a.compose);void 0!==a.decompose&&b.push(a.decompose);return b};Blockly.Extensions.mutatorPropertiesMatch_=function(a,b){b=Blockly.Extensions.getMutatorProperties_(b);if(b.length!=a.length)return!1;for(var c=0;c<b.length;c++)if(a[c]!=b[c])return!1;return!0};
-Blockly.Extensions.buildTooltipForDropdown=function(a,b){var c=[];"object"==typeof document&&Blockly.utils.runAfterPageLoad(function(){for(var d in b)Blockly.utils.checkMessageReferences(b[d])});return function(){this.type&&-1==c.indexOf(this.type)&&(Blockly.Extensions.checkDropdownOptionsInTable_(this,a,b),c.push(this.type));this.setTooltip(function(){var d=String(this.getFieldValue(a)),e=b[d];null==e?-1==c.indexOf(this.type)&&(d="No tooltip mapping for value "+d+" of field "+a,null!=this.type&&
-(d+=" of block type "+this.type),console.warn(d+".")):e=Blockly.utils.replaceMessageReferences(e);return e}.bind(this))}};Blockly.Extensions.checkDropdownOptionsInTable_=function(a,b,c){var d=a.getField(b);if(!d.isOptionListDynamic()){d=d.getOptions();for(var e=0;e<d.length;++e){var f=d[e][1];null==c[f]&&console.warn("No tooltip mapping for value "+f+" of field "+b+" of block type "+a.type)}}};
-Blockly.Extensions.buildTooltipWithFieldText=function(a,b){"object"==typeof document&&Blockly.utils.runAfterPageLoad(function(){Blockly.utils.checkMessageReferences(a)});return function(){this.setTooltip(function(){var c=this.getField(b);return Blockly.utils.replaceMessageReferences(a).replace("%1",c?c.getText():"")}.bind(this))}};
-Blockly.Extensions.extensionParentTooltip_=function(){this.tooltipWhenNotConnected_=this.tooltip;this.setTooltip(function(){var a=this.getParent();return a&&a.getInputsInline()&&a.tooltip||this.tooltipWhenNotConnected_}.bind(this))};Blockly.Extensions.register("parent_tooltip_when_inline",Blockly.Extensions.extensionParentTooltip_);Blockly.fieldRegistry={};Blockly.fieldRegistry.register=function(a,b){Blockly.registry.register(Blockly.registry.Type.FIELD,a,b)};Blockly.fieldRegistry.unregister=function(a){Blockly.registry.unregister(Blockly.registry.Type.FIELD,a)};
-Blockly.fieldRegistry.fromJson=function(a){var b=Blockly.registry.getObject(Blockly.registry.Type.FIELD,a.type);return b?b.fromJson(a):(console.warn("Blockly could not create a field of type "+a.type+". The field is probably not being registered. This could be because the file is not loaded, the field does not register itself (Issue #1584), or the registration is not being reached."),null)};Blockly.blockAnimations={};Blockly.blockAnimations.disconnectPid_=0;Blockly.blockAnimations.disconnectGroup_=null;Blockly.blockAnimations.disposeUiEffect=function(a){var b=a.workspace,c=a.getSvgRoot();b.getAudioManager().play("delete");a=b.getSvgXY(c);c=c.cloneNode(!0);c.translateX_=a.x;c.translateY_=a.y;c.setAttribute("transform","translate("+a.x+","+a.y+")");b.getParentSvg().appendChild(c);c.bBox_=c.getBBox();Blockly.blockAnimations.disposeUiStep_(c,b.RTL,new Date,b.scale)};
-Blockly.blockAnimations.disposeUiStep_=function(a,b,c,d){var e=(new Date-c)/150;1<e?Blockly.utils.dom.removeNode(a):(a.setAttribute("transform","translate("+(a.translateX_+(b?-1:1)*a.bBox_.width*d/2*e)+","+(a.translateY_+a.bBox_.height*d*e)+") scale("+(1-e)*d+")"),setTimeout(Blockly.blockAnimations.disposeUiStep_,10,a,b,c,d))};
-Blockly.blockAnimations.connectionUiEffect=function(a){var b=a.workspace,c=b.scale;b.getAudioManager().play("click");if(!(1>c)){var d=b.getSvgXY(a.getSvgRoot());a.outputConnection?(d.x+=(a.RTL?3:-3)*c,d.y+=13*c):a.previousConnection&&(d.x+=(a.RTL?-23:23)*c,d.y+=3*c);a=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.CIRCLE,{cx:d.x,cy:d.y,r:0,fill:"none",stroke:"#888","stroke-width":10},b.getParentSvg());Blockly.blockAnimations.connectionUiStep_(a,new Date,c)}};
-Blockly.blockAnimations.connectionUiStep_=function(a,b,c){var d=(new Date-b)/150;1<d?Blockly.utils.dom.removeNode(a):(a.setAttribute("r",25*d*c),a.style.opacity=1-d,Blockly.blockAnimations.disconnectPid_=setTimeout(Blockly.blockAnimations.connectionUiStep_,10,a,b,c))};
-Blockly.blockAnimations.disconnectUiEffect=function(a){a.workspace.getAudioManager().play("disconnect");if(!(1>a.workspace.scale)){var b=a.getHeightWidth().height;b=Math.atan(10/b)/Math.PI*180;a.RTL||(b*=-1);Blockly.blockAnimations.disconnectUiStep_(a.getSvgRoot(),b,new Date)}};
-Blockly.blockAnimations.disconnectUiStep_=function(a,b,c){var d=(new Date-c)/200;1<d?a.skew_="":(a.skew_="skewX("+Math.round(Math.sin(d*Math.PI*3)*(1-d)*b)+")",Blockly.blockAnimations.disconnectGroup_=a,Blockly.blockAnimations.disconnectPid_=setTimeout(Blockly.blockAnimations.disconnectUiStep_,10,a,b,c));a.setAttribute("transform",a.translate_+a.skew_)};
-Blockly.blockAnimations.disconnectUiStop=function(){if(Blockly.blockAnimations.disconnectGroup_){clearTimeout(Blockly.blockAnimations.disconnectPid_);var a=Blockly.blockAnimations.disconnectGroup_;a.skew_="";a.setAttribute("transform",a.translate_);Blockly.blockAnimations.disconnectGroup_=null}};Blockly.InsertionMarkerManager=function(a){this.topBlock_=Blockly.selected=a;this.workspace_=a.workspace;this.lastMarker_=this.lastOnStack_=null;this.firstMarker_=this.createMarkerBlock_(this.topBlock_);this.localConnection_=this.closestConnection_=null;this.wouldDeleteBlock_=!1;this.fadedBlock_=this.highlightedBlock_=this.markerConnection_=null;this.availableConnections_=this.initAvailableConnections_()};Blockly.InsertionMarkerManager.PREVIEW_TYPE={INSERTION_MARKER:0,INPUT_OUTLINE:1,REPLACEMENT_FADE:2};
-Blockly.InsertionMarkerManager.prototype.dispose=function(){this.availableConnections_.length=0;Blockly.Events.disable();try{this.firstMarker_&&this.firstMarker_.dispose(),this.lastMarker_&&this.lastMarker_.dispose()}finally{Blockly.Events.enable()}};Blockly.InsertionMarkerManager.prototype.updateAvailableConnections=function(){this.availableConnections_=this.initAvailableConnections_()};Blockly.InsertionMarkerManager.prototype.wouldDeleteBlock=function(){return this.wouldDeleteBlock_};
-Blockly.InsertionMarkerManager.prototype.wouldConnectBlock=function(){return!!this.closestConnection_};
-Blockly.InsertionMarkerManager.prototype.applyConnections=function(){if(this.closestConnection_&&(Blockly.Events.disable(),this.hidePreview_(),Blockly.Events.enable(),this.localConnection_.connect(this.closestConnection_),this.topBlock_.rendered)){var a=this.localConnection_.isSuperior()?this.closestConnection_:this.localConnection_;Blockly.blockAnimations.connectionUiEffect(a.getSourceBlock());this.topBlock_.getRootBlock().bringToFront()}};
-Blockly.InsertionMarkerManager.prototype.update=function(a,b){var c=this.getCandidate_(a);if((this.wouldDeleteBlock_=this.shouldDelete_(c,b))||this.shouldUpdatePreviews_(c,a))Blockly.Events.disable(),this.maybeHidePreview_(c),this.maybeShowPreview_(c),Blockly.Events.enable()};
-Blockly.InsertionMarkerManager.prototype.createMarkerBlock_=function(a){var b=a.type;Blockly.Events.disable();try{var c=this.workspace_.newBlock(b);c.setInsertionMarker(!0);if(a.mutationToDom){var d=a.mutationToDom();d&&c.domToMutation(d)}for(b=0;b<a.inputList.length;b++){var e=a.inputList[b];if(e.name!=Blockly.Block.COLLAPSED_INPUT_NAME){var f=c.inputList[b];for(d=0;d<e.fieldRow.length;d++)f.fieldRow[d].setValue(e.fieldRow[d].getValue())}}c.setCollapsed(a.isCollapsed());c.setInputsInline(a.getInputsInline());
-c.initSvg();c.getSvgRoot().setAttribute("visibility","hidden")}finally{Blockly.Events.enable()}return c};Blockly.InsertionMarkerManager.prototype.initAvailableConnections_=function(){var a=this.topBlock_.getConnections_(!1),b=this.topBlock_.lastConnectionInStack();if(b&&b!=this.topBlock_.nextConnection){a.push(b);this.lastOnStack_=b;if(this.lastMarker_){Blockly.Events.disable();try{this.lastMarker_.dispose()}finally{Blockly.Events.enable()}}this.lastMarker_=this.createMarkerBlock_(b.getSourceBlock())}return a};
-Blockly.InsertionMarkerManager.prototype.shouldUpdatePreviews_=function(a,b){var c=a.local,d=a.closest;a=a.radius;if(c&&d){if(this.localConnection_&&this.closestConnection_){if(this.closestConnection_==d&&this.localConnection_==c)return!1;c=this.localConnection_.x+b.x-this.closestConnection_.x;b=this.localConnection_.y+b.y-this.closestConnection_.y;b=Math.sqrt(c*c+b*b);return!(d&&a>b-Blockly.CURRENT_CONNECTION_PREFERENCE)}if(this.localConnection_||this.closestConnection_)console.error("Only one of localConnection_ and closestConnection_ was set.");
-else return!0}else return!(!this.localConnection_||!this.closestConnection_);console.error("Returning true from shouldUpdatePreviews, but it's not clear why.");return!0};Blockly.InsertionMarkerManager.prototype.getCandidate_=function(a){for(var b=this.getStartRadius_(),c=null,d=null,e=0;e<this.availableConnections_.length;e++){var f=this.availableConnections_[e],g=f.closest(b,a);g.connection&&(c=g.connection,d=f,b=g.radius)}return{closest:c,local:d,radius:b}};
-Blockly.InsertionMarkerManager.prototype.getStartRadius_=function(){return this.closestConnection_&&this.localConnection_?Blockly.CONNECTING_SNAP_RADIUS:Blockly.SNAP_RADIUS};Blockly.InsertionMarkerManager.prototype.shouldDelete_=function(a,b){a=a&&!!a.closest&&b!=Blockly.DELETE_AREA_TOOLBOX;return!!b&&!this.topBlock_.getParent()&&this.topBlock_.isDeletable()&&!a};
-Blockly.InsertionMarkerManager.prototype.maybeShowPreview_=function(a){if(!this.wouldDeleteBlock_){var b=a.closest;a=a.local;b&&(b==this.closestConnection_||b.getSourceBlock().isInsertionMarker()?console.log("Trying to connect to an insertion marker"):(this.closestConnection_=b,this.localConnection_=a,this.showPreview_()))}};
-Blockly.InsertionMarkerManager.prototype.showPreview_=function(){var a=this.closestConnection_,b=this.workspace_.getRenderer();switch(b.getConnectionPreviewMethod(a,this.localConnection_,this.topBlock_)){case Blockly.InsertionMarkerManager.PREVIEW_TYPE.INPUT_OUTLINE:this.showInsertionInputOutline_();break;case Blockly.InsertionMarkerManager.PREVIEW_TYPE.INSERTION_MARKER:this.showInsertionMarker_();break;case Blockly.InsertionMarkerManager.PREVIEW_TYPE.REPLACEMENT_FADE:this.showReplacementFade_()}a&&
-b.shouldHighlightConnection(a)&&a.highlight()};Blockly.InsertionMarkerManager.prototype.maybeHidePreview_=function(a){if(a.closest){var b=this.closestConnection_!=a.closest;a=this.localConnection_!=a.local;this.closestConnection_&&this.localConnection_&&(b||a||this.wouldDeleteBlock_)&&this.hidePreview_()}else this.hidePreview_();this.localConnection_=this.closestConnection_=this.markerConnection_=null};
-Blockly.InsertionMarkerManager.prototype.hidePreview_=function(){this.closestConnection_&&this.closestConnection_.targetBlock()&&this.workspace_.getRenderer().shouldHighlightConnection(this.closestConnection_)&&this.closestConnection_.unhighlight();this.fadedBlock_?this.hideReplacementFade_():this.highlightedBlock_?this.hideInsertionInputOutline_():this.markerConnection_&&this.hideInsertionMarker_()};
-Blockly.InsertionMarkerManager.prototype.showInsertionMarker_=function(){var a=this.localConnection_,b=this.closestConnection_,c=this.lastOnStack_&&a==this.lastOnStack_?this.lastMarker_:this.firstMarker_;a=c.getMatchingConnection(a.getSourceBlock(),a);if(a==this.markerConnection_)throw Error("Made it to showInsertionMarker_ even though the marker isn't changing");c.render();c.rendered=!0;c.getSvgRoot().setAttribute("visibility","visible");a&&b&&c.positionNearConnection(a,b);b&&a.connect(b);this.markerConnection_=
-a};
-Blockly.InsertionMarkerManager.prototype.hideInsertionMarker_=function(){if(this.markerConnection_){var a=this.markerConnection_,b=a.getSourceBlock(),c=b.nextConnection,d=b.previousConnection,e=b.outputConnection;e=a.type==Blockly.INPUT_VALUE&&!(e&&e.targetConnection);!(a!=c||d&&d.targetConnection)||e?a.targetBlock().unplug(!1):a.type==Blockly.NEXT_STATEMENT&&a!=c?(c=a.targetConnection,c.getSourceBlock().unplug(!1),d=d?d.targetConnection:null,b.unplug(!0),d&&d.connect(c)):b.unplug(!0);if(a.targetConnection)throw Error("markerConnection_ still connected at the end of disconnectInsertionMarker");this.markerConnection_=
-null;b.getSvgRoot().setAttribute("visibility","hidden")}else console.log("No insertion marker connection to disconnect")};Blockly.InsertionMarkerManager.prototype.showInsertionInputOutline_=function(){var a=this.closestConnection_;this.highlightedBlock_=a.getSourceBlock();this.highlightedBlock_.highlightShapeForInput(a,!0)};
-Blockly.InsertionMarkerManager.prototype.hideInsertionInputOutline_=function(){this.highlightedBlock_.highlightShapeForInput(this.closestConnection_,!1);this.highlightedBlock_=null};Blockly.InsertionMarkerManager.prototype.showReplacementFade_=function(){this.fadedBlock_=this.closestConnection_.targetBlock();this.fadedBlock_.fadeForReplacement(!0)};Blockly.InsertionMarkerManager.prototype.hideReplacementFade_=function(){this.fadedBlock_.fadeForReplacement(!1);this.fadedBlock_=null};
-Blockly.InsertionMarkerManager.prototype.getInsertionMarkers=function(){var a=[];this.firstMarker_&&a.push(this.firstMarker_);this.lastMarker_&&a.push(this.lastMarker_);return a};Blockly.BlockDragger=function(a,b){this.draggingBlock_=a;this.workspace_=b;this.draggedConnectionManager_=new Blockly.InsertionMarkerManager(this.draggingBlock_);this.deleteArea_=null;this.wouldDeleteBlock_=!1;this.startXY_=this.draggingBlock_.getRelativeToSurfaceXY();this.dragIconData_=Blockly.BlockDragger.initIconData_(a)};Blockly.BlockDragger.prototype.dispose=function(){this.dragIconData_.length=0;this.draggedConnectionManager_&&this.draggedConnectionManager_.dispose()};
-Blockly.BlockDragger.initIconData_=function(a){var b=[];a=a.getDescendants(!1);for(var c=0,d;d=a[c];c++){d=d.getIcons();for(var e=0;e<d.length;e++){var f={location:d[e].getIconLocation(),icon:d[e]};b.push(f)}}return b};
-Blockly.BlockDragger.prototype.startBlockDrag=function(a,b){Blockly.Events.getGroup()||Blockly.Events.setGroup(!0);this.fireDragStartEvent_();this.workspace_.isMutator&&this.draggingBlock_.bringToFront();Blockly.utils.dom.startTextWidthCache();this.workspace_.setResizesEnabled(!1);Blockly.blockAnimations.disconnectUiStop();if(this.draggingBlock_.getParent()||b&&this.draggingBlock_.nextConnection&&this.draggingBlock_.nextConnection.targetBlock())this.draggingBlock_.unplug(b),a=this.pixelsToWorkspaceUnits_(a),
-a=Blockly.utils.Coordinate.sum(this.startXY_,a),this.draggingBlock_.translate(a.x,a.y),Blockly.blockAnimations.disconnectUiEffect(this.draggingBlock_),this.draggedConnectionManager_.updateAvailableConnections();this.draggingBlock_.setDragging(!0);this.draggingBlock_.moveToDragSurface();(a=this.workspace_.getToolbox())&&"function"==typeof a.addStyle&&(b=this.draggingBlock_.isDeletable()?"blocklyToolboxDelete":"blocklyToolboxGrab",a.addStyle(b))};
-Blockly.BlockDragger.prototype.fireDragStartEvent_=function(){var a=new Blockly.Events.Ui(this.draggingBlock_,"dragStart",null,this.draggingBlock_.getDescendants(!1));Blockly.Events.fire(a)};Blockly.BlockDragger.prototype.dragBlock=function(a,b){b=this.pixelsToWorkspaceUnits_(b);var c=Blockly.utils.Coordinate.sum(this.startXY_,b);this.draggingBlock_.moveDuringDrag(c);this.dragIcons_(b);this.deleteArea_=this.workspace_.isDeleteArea(a);this.draggedConnectionManager_.update(b,this.deleteArea_);this.updateCursorDuringBlockDrag_()};
-Blockly.BlockDragger.prototype.endBlockDrag=function(a,b){this.dragBlock(a,b);this.dragIconData_=[];this.fireDragEndEvent_();Blockly.utils.dom.stopTextWidthCache();Blockly.blockAnimations.disconnectUiStop();a=this.pixelsToWorkspaceUnits_(b);b=Blockly.utils.Coordinate.sum(this.startXY_,a);this.draggingBlock_.moveOffDragSurface(b);this.maybeDeleteBlock_()||(this.draggingBlock_.moveConnections(a.x,a.y),this.draggingBlock_.setDragging(!1),this.fireMoveEvent_(),this.draggedConnectionManager_.wouldConnectBlock()?
-this.draggedConnectionManager_.applyConnections():this.draggingBlock_.render(),this.draggingBlock_.scheduleSnapAndBump());this.workspace_.setResizesEnabled(!0);(a=this.workspace_.getToolbox())&&"function"==typeof a.removeStyle&&(b=this.draggingBlock_.isDeletable()?"blocklyToolboxDelete":"blocklyToolboxGrab",a.removeStyle(b));Blockly.Events.setGroup(!1)};
-Blockly.BlockDragger.prototype.fireDragEndEvent_=function(){var a=new Blockly.Events.Ui(this.draggingBlock_,"dragStop",this.draggingBlock_.getDescendants(!1),null);Blockly.Events.fire(a)};Blockly.BlockDragger.prototype.fireMoveEvent_=function(){var a=new Blockly.Events.BlockMove(this.draggingBlock_);a.oldCoordinate=this.startXY_;a.recordNew();Blockly.Events.fire(a)};
-Blockly.BlockDragger.prototype.maybeDeleteBlock_=function(){var a=this.workspace_.trashcan;this.wouldDeleteBlock_?(a&&setTimeout(a.closeLid.bind(a),100),this.fireMoveEvent_(),this.draggingBlock_.dispose(!1,!0),Blockly.draggingConnections=[]):a&&a.closeLid();return this.wouldDeleteBlock_};
-Blockly.BlockDragger.prototype.updateCursorDuringBlockDrag_=function(){this.wouldDeleteBlock_=this.draggedConnectionManager_.wouldDeleteBlock();var a=this.workspace_.trashcan;this.wouldDeleteBlock_?(this.draggingBlock_.setDeleteStyle(!0),this.deleteArea_==Blockly.DELETE_AREA_TRASH&&a&&a.setLidOpen(!0)):(this.draggingBlock_.setDeleteStyle(!1),a&&a.setLidOpen(!1))};
-Blockly.BlockDragger.prototype.pixelsToWorkspaceUnits_=function(a){a=new Blockly.utils.Coordinate(a.x/this.workspace_.scale,a.y/this.workspace_.scale);this.workspace_.isMutator&&a.scale(1/this.workspace_.options.parentWorkspace.scale);return a};Blockly.BlockDragger.prototype.dragIcons_=function(a){for(var b=0;b<this.dragIconData_.length;b++){var c=this.dragIconData_[b];c.icon.setIconLocation(Blockly.utils.Coordinate.sum(c.location,a))}};
-Blockly.BlockDragger.prototype.getInsertionMarkers=function(){return this.draggedConnectionManager_&&this.draggedConnectionManager_.getInsertionMarkers?this.draggedConnectionManager_.getInsertionMarkers():[]};Blockly.ConnectionChecker=function(){};Blockly.ConnectionChecker.prototype.canConnect=function(a,b,c,d){return this.canConnectWithReason(a,b,c,d)==Blockly.Connection.CAN_CONNECT};Blockly.ConnectionChecker.prototype.canConnectWithReason=function(a,b,c,d){var e=this.doSafetyChecks(a,b);return e!=Blockly.Connection.CAN_CONNECT?e:this.doTypeChecks(a,b)?c&&!this.doDragChecks(a,b,d||0)?Blockly.Connection.REASON_DRAG_CHECKS_FAILED:Blockly.Connection.CAN_CONNECT:Blockly.Connection.REASON_CHECKS_FAILED};
-Blockly.ConnectionChecker.prototype.getErrorMessage=function(a,b,c){switch(a){case Blockly.Connection.REASON_SELF_CONNECTION:return"Attempted to connect a block to itself.";case Blockly.Connection.REASON_DIFFERENT_WORKSPACES:return"Blocks not on same workspace.";case Blockly.Connection.REASON_WRONG_TYPE:return"Attempt to connect incompatible types.";case Blockly.Connection.REASON_TARGET_NULL:return"Target connection is null.";case Blockly.Connection.REASON_CHECKS_FAILED:return"Connection checks failed. "+
-(b+" expected "+b.getCheck()+", found "+c.getCheck());case Blockly.Connection.REASON_SHADOW_PARENT:return"Connecting non-shadow to shadow block.";case Blockly.Connection.REASON_DRAG_CHECKS_FAILED:return"Drag checks failed.";default:return"Unknown connection failure: this should never happen!"}};
-Blockly.ConnectionChecker.prototype.doSafetyChecks=function(a,b){if(!a||!b)return Blockly.Connection.REASON_TARGET_NULL;if(a.isSuperior())var c=a.getSourceBlock(),d=b.getSourceBlock();else d=a.getSourceBlock(),c=b.getSourceBlock();return c==d?Blockly.Connection.REASON_SELF_CONNECTION:b.type!=Blockly.OPPOSITE_TYPE[a.type]?Blockly.Connection.REASON_WRONG_TYPE:c.workspace!==d.workspace?Blockly.Connection.REASON_DIFFERENT_WORKSPACES:c.isShadow()&&!d.isShadow()?Blockly.Connection.REASON_SHADOW_PARENT:
-Blockly.Connection.CAN_CONNECT};Blockly.ConnectionChecker.prototype.doTypeChecks=function(a,b){a=a.getCheck();b=b.getCheck();if(!a||!b)return!0;for(var c=0;c<a.length;c++)if(-1!=b.indexOf(a[c]))return!0;return!1};
-Blockly.ConnectionChecker.prototype.doDragChecks=function(a,b,c){if(a.distanceFrom(b)>c||b.getSourceBlock().isInsertionMarker())return!1;switch(b.type){case Blockly.PREVIOUS_STATEMENT:return this.canConnectToPrevious_(a,b);case Blockly.OUTPUT_VALUE:if(b.isConnected()&&!b.targetBlock().isInsertionMarker()||a.isConnected())return!1;break;case Blockly.INPUT_VALUE:if(b.isConnected()&&!b.targetBlock().isMovable()&&!b.targetBlock().isShadow())return!1;break;case Blockly.NEXT_STATEMENT:if(b.isConnected()&&
-!a.getSourceBlock().nextConnection&&!b.targetBlock().isShadow()&&b.targetBlock().nextConnection)return!1;break;default:return!1}return-1!=Blockly.draggingConnections.indexOf(b)?!1:!0};Blockly.ConnectionChecker.prototype.canConnectToPrevious_=function(a,b){if(a.targetConnection||-1!=Blockly.draggingConnections.indexOf(b))return!1;if(!b.targetConnection)return!0;a=b.targetBlock();return a.isInsertionMarker()?!a.getPreviousBlock():!1};
-Blockly.registry.register(Blockly.registry.Type.CONNECTION_CHECKER,Blockly.registry.DEFAULT,Blockly.ConnectionChecker);Blockly.VariableMap=function(a){this.variableMap_=Object.create(null);this.workspace=a};Blockly.VariableMap.prototype.clear=function(){this.variableMap_=Object.create(null)};Blockly.VariableMap.prototype.renameVariable=function(a,b){var c=this.getVariable(b,a.type),d=this.workspace.getAllBlocks(!1);Blockly.Events.setGroup(!0);try{c&&c.getId()!=a.getId()?this.renameVariableWithConflict_(a,b,c,d):this.renameVariableAndUses_(a,b,d)}finally{Blockly.Events.setGroup(!1)}};
-Blockly.VariableMap.prototype.renameVariableById=function(a,b){var c=this.getVariableById(a);if(!c)throw Error("Tried to rename a variable that didn't exist. ID: "+a);this.renameVariable(c,b)};Blockly.VariableMap.prototype.renameVariableAndUses_=function(a,b,c){Blockly.Events.fire(new Blockly.Events.VarRename(a,b));a.name=b;for(b=0;b<c.length;b++)c[b].updateVarName(a)};
-Blockly.VariableMap.prototype.renameVariableWithConflict_=function(a,b,c,d){var e=a.type;b!=c.name&&this.renameVariableAndUses_(c,b,d);for(b=0;b<d.length;b++)d[b].renameVarById(a.getId(),c.getId());Blockly.Events.fire(new Blockly.Events.VarDelete(a));a=this.getVariablesOfType(e).indexOf(a);this.variableMap_[e].splice(a,1)};
-Blockly.VariableMap.prototype.createVariable=function(a,b,c){var d=this.getVariable(a,b);if(d){if(c&&d.getId()!=c)throw Error('Variable "'+a+'" is already in use and its id is "'+d.getId()+'" which conflicts with the passed in id, "'+c+'".');return d}if(c&&this.getVariableById(c))throw Error('Variable id, "'+c+'", is already in use.');d=c||Blockly.utils.genUid();b=b||"";d=new Blockly.VariableModel(this.workspace,a,b,d);a=this.variableMap_[b]||[];a.push(d);delete this.variableMap_[b];this.variableMap_[b]=
-a;return d};Blockly.VariableMap.prototype.deleteVariable=function(a){for(var b=this.variableMap_[a.type],c=0,d;d=b[c];c++)if(d.getId()==a.getId()){b.splice(c,1);Blockly.Events.fire(new Blockly.Events.VarDelete(a));break}};
-Blockly.VariableMap.prototype.deleteVariableById=function(a){var b=this.getVariableById(a);if(b){var c=b.name,d=this.getVariableUsesById(a);a=0;for(var e;e=d[a];a++)if("procedures_defnoreturn"==e.type||"procedures_defreturn"==e.type){a=e.getFieldValue("NAME");c=Blockly.Msg.CANNOT_DELETE_VARIABLE_PROCEDURE.replace("%1",c).replace("%2",a);Blockly.alert(c);return}var f=this;1<d.length?(c=Blockly.Msg.DELETE_VARIABLE_CONFIRMATION.replace("%1",String(d.length)).replace("%2",c),Blockly.confirm(c,function(g){g&&
-b&&f.deleteVariableInternal(b,d)})):f.deleteVariableInternal(b,d)}else console.warn("Can't delete non-existent variable: "+a)};Blockly.VariableMap.prototype.deleteVariableInternal=function(a,b){var c=Blockly.Events.getGroup();c||Blockly.Events.setGroup(!0);try{for(var d=0;d<b.length;d++)b[d].dispose(!0);this.deleteVariable(a)}finally{c||Blockly.Events.setGroup(!1)}};
-Blockly.VariableMap.prototype.getVariable=function(a,b){if(b=this.variableMap_[b||""])for(var c=0,d;d=b[c];c++)if(Blockly.Names.equals(d.name,a))return d;return null};Blockly.VariableMap.prototype.getVariableById=function(a){for(var b=Object.keys(this.variableMap_),c=0;c<b.length;c++)for(var d=b[c],e=0,f;f=this.variableMap_[d][e];e++)if(f.getId()==a)return f;return null};Blockly.VariableMap.prototype.getVariablesOfType=function(a){return(a=this.variableMap_[a||""])?a.slice():[]};
-Blockly.VariableMap.prototype.getVariableTypes=function(a){var b={};Blockly.utils.object.mixin(b,this.variableMap_);a&&a.getPotentialVariableMap()&&Blockly.utils.object.mixin(b,a.getPotentialVariableMap().variableMap_);a=Object.keys(b);b=!1;for(var c=0;c<a.length;c++)""==a[c]&&(b=!0);b||a.push("");return a};Blockly.VariableMap.prototype.getAllVariables=function(){var a=[],b;for(b in this.variableMap_)a=a.concat(this.variableMap_[b]);return a};
-Blockly.VariableMap.prototype.getAllVariableNames=function(){var a=[],b;for(b in this.variableMap_)for(var c=this.variableMap_[b],d=0,e;e=c[d];d++)a.push(e.name);return a};Blockly.VariableMap.prototype.getVariableUsesById=function(a){for(var b=[],c=this.workspace.getAllBlocks(!1),d=0;d<c.length;d++){var e=c[d].getVarModels();if(e)for(var f=0;f<e.length;f++)e[f].getId()==a&&b.push(c[d])}return b};Blockly.Workspace=function(a){this.id=Blockly.utils.genUid();Blockly.Workspace.WorkspaceDB_[this.id]=this;this.options=a||new Blockly.Options({});this.RTL=!!this.options.RTL;this.horizontalLayout=!!this.options.horizontalLayout;this.toolboxPosition=this.options.toolboxPosition;this.connectionChecker=new (Blockly.registry.getClassFromOptions(Blockly.registry.Type.CONNECTION_CHECKER,this.options))(this);this.topBlocks_=[];this.topComments_=[];this.commentDB_=Object.create(null);this.listeners_=[];this.undoStack_=
-[];this.redoStack_=[];this.blockDB_=Object.create(null);this.typedBlocksDB_=Object.create(null);this.variableMap_=new Blockly.VariableMap(this);this.potentialVariableMap_=null};Blockly.Workspace.prototype.rendered=!1;Blockly.Workspace.prototype.isClearing=!1;Blockly.Workspace.prototype.MAX_UNDO=1024;Blockly.Workspace.prototype.connectionDBList=null;Blockly.Workspace.prototype.dispose=function(){this.listeners_.length=0;this.clear();delete Blockly.Workspace.WorkspaceDB_[this.id]};
-Blockly.Workspace.SCAN_ANGLE=3;Blockly.Workspace.prototype.sortObjects_=function(a,b){a=a.getRelativeToSurfaceXY();b=b.getRelativeToSurfaceXY();return a.y+Blockly.Workspace.prototype.sortObjects_.offset*a.x-(b.y+Blockly.Workspace.prototype.sortObjects_.offset*b.x)};Blockly.Workspace.prototype.addTopBlock=function(a){this.topBlocks_.push(a)};
-Blockly.Workspace.prototype.removeTopBlock=function(a){if(!Blockly.utils.arrayRemove(this.topBlocks_,a))throw Error("Block not present in workspace's list of top-most blocks.");};Blockly.Workspace.prototype.getTopBlocks=function(a){var b=[].concat(this.topBlocks_);a&&1<b.length&&(this.sortObjects_.offset=Math.sin(Blockly.utils.math.toRadians(Blockly.Workspace.SCAN_ANGLE)),this.RTL&&(this.sortObjects_.offset*=-1),b.sort(this.sortObjects_));return b};
-Blockly.Workspace.prototype.addTypedBlock=function(a){this.typedBlocksDB_[a.type]||(this.typedBlocksDB_[a.type]=[]);this.typedBlocksDB_[a.type].push(a)};Blockly.Workspace.prototype.removeTypedBlock=function(a){this.typedBlocksDB_[a.type].splice(this.typedBlocksDB_[a.type].indexOf(a),1);this.typedBlocksDB_[a.type].length||delete this.typedBlocksDB_[a.type]};
-Blockly.Workspace.prototype.getBlocksByType=function(a,b){if(!this.typedBlocksDB_[a])return[];a=this.typedBlocksDB_[a].slice(0);b&&1<a.length&&(this.sortObjects_.offset=Math.sin(Blockly.utils.math.toRadians(Blockly.Workspace.SCAN_ANGLE)),this.RTL&&(this.sortObjects_.offset*=-1),a.sort(this.sortObjects_));return a};
-Blockly.Workspace.prototype.addTopComment=function(a){this.topComments_.push(a);this.commentDB_[a.id]&&console.warn('Overriding an existing comment on this workspace, with id "'+a.id+'"');this.commentDB_[a.id]=a};Blockly.Workspace.prototype.removeTopComment=function(a){if(!Blockly.utils.arrayRemove(this.topComments_,a))throw Error("Comment not present in workspace's list of top-most comments.");delete this.commentDB_[a.id]};
-Blockly.Workspace.prototype.getTopComments=function(a){var b=[].concat(this.topComments_);a&&1<b.length&&(this.sortObjects_.offset=Math.sin(Blockly.utils.math.toRadians(Blockly.Workspace.SCAN_ANGLE)),this.RTL&&(this.sortObjects_.offset*=-1),b.sort(this.sortObjects_));return b};
-Blockly.Workspace.prototype.getAllBlocks=function(a){if(a){a=this.getTopBlocks(!0);for(var b=[],c=0;c<a.length;c++)b.push.apply(b,a[c].getDescendants(!0))}else for(b=this.getTopBlocks(!1),c=0;c<b.length;c++)b.push.apply(b,b[c].getChildren(!1));return b.filter(function(d){return!d.isInsertionMarker()})};
-Blockly.Workspace.prototype.clear=function(){this.isClearing=!0;try{var a=Blockly.Events.getGroup();for(a||Blockly.Events.setGroup(!0);this.topBlocks_.length;)this.topBlocks_[0].dispose(!1);for(;this.topComments_.length;)this.topComments_[this.topComments_.length-1].dispose(!1);a||Blockly.Events.setGroup(!1);this.variableMap_.clear();this.potentialVariableMap_&&this.potentialVariableMap_.clear()}finally{this.isClearing=!1}};
-Blockly.Workspace.prototype.renameVariableById=function(a,b){this.variableMap_.renameVariableById(a,b)};Blockly.Workspace.prototype.createVariable=function(a,b,c){return this.variableMap_.createVariable(a,b,c)};Blockly.Workspace.prototype.getVariableUsesById=function(a){return this.variableMap_.getVariableUsesById(a)};Blockly.Workspace.prototype.deleteVariableById=function(a){this.variableMap_.deleteVariableById(a)};
-Blockly.Workspace.prototype.getVariable=function(a,b){return this.variableMap_.getVariable(a,b)};Blockly.Workspace.prototype.getVariableById=function(a){return this.variableMap_.getVariableById(a)};Blockly.Workspace.prototype.getVariablesOfType=function(a){return this.variableMap_.getVariablesOfType(a)};Blockly.Workspace.prototype.getVariableTypes=function(){return this.variableMap_.getVariableTypes(this)};Blockly.Workspace.prototype.getAllVariables=function(){return this.variableMap_.getAllVariables()};
-Blockly.Workspace.prototype.getAllVariableNames=function(){return this.variableMap_.getAllVariableNames()};Blockly.Workspace.prototype.getWidth=function(){return 0};Blockly.Workspace.prototype.newBlock=function(a,b){return new Blockly.Block(this,a,b)};Blockly.Workspace.prototype.remainingCapacity=function(){return isNaN(this.options.maxBlocks)?Infinity:this.options.maxBlocks-this.getAllBlocks(!1).length};
-Blockly.Workspace.prototype.remainingCapacityOfType=function(a){return this.options.maxInstances?(void 0!==this.options.maxInstances[a]?this.options.maxInstances[a]:Infinity)-this.getBlocksByType(a,!1).length:Infinity};Blockly.Workspace.prototype.isCapacityAvailable=function(a){if(!this.hasBlockLimits())return!0;var b=0,c;for(c in a){if(a[c]>this.remainingCapacityOfType(c))return!1;b+=a[c]}return b>this.remainingCapacity()?!1:!0};
-Blockly.Workspace.prototype.hasBlockLimits=function(){return Infinity!=this.options.maxBlocks||!!this.options.maxInstances};Blockly.Workspace.prototype.getUndoStack=function(){return this.undoStack_};Blockly.Workspace.prototype.getRedoStack=function(){return this.redoStack_};
-Blockly.Workspace.prototype.undo=function(a){var b=a?this.redoStack_:this.undoStack_,c=a?this.undoStack_:this.redoStack_,d=b.pop();if(d){for(var e=[d];b.length&&d.group&&d.group==b[b.length-1].group;)e.push(b.pop());for(b=0;d=e[b];b++)c.push(d);e=Blockly.Events.filter(e,a);Blockly.Events.recordUndo=!1;try{for(b=0;d=e[b];b++)d.run(a)}finally{Blockly.Events.recordUndo=!0}}};Blockly.Workspace.prototype.clearUndo=function(){this.undoStack_.length=0;this.redoStack_.length=0;Blockly.Events.clearPendingUndo()};
-Blockly.Workspace.prototype.addChangeListener=function(a){this.listeners_.push(a);return a};Blockly.Workspace.prototype.removeChangeListener=function(a){Blockly.utils.arrayRemove(this.listeners_,a)};Blockly.Workspace.prototype.fireChangeListener=function(a){if(a.recordUndo)for(this.undoStack_.push(a),this.redoStack_.length=0;this.undoStack_.length>this.MAX_UNDO&&0<=this.MAX_UNDO;)this.undoStack_.shift();for(var b=0,c;c=this.listeners_[b];b++)c(a)};
-Blockly.Workspace.prototype.getBlockById=function(a){return this.blockDB_[a]||null};Blockly.Workspace.prototype.setBlockById=function(a,b){this.blockDB_[a]=b};Blockly.Workspace.prototype.removeBlockById=function(a){delete this.blockDB_[a]};Blockly.Workspace.prototype.getCommentById=function(a){return this.commentDB_[a]||null};Blockly.Workspace.prototype.allInputsFilled=function(a){for(var b=this.getTopBlocks(!1),c=0,d;d=b[c];c++)if(!d.allInputsFilled(a))return!1;return!0};
-Blockly.Workspace.prototype.getPotentialVariableMap=function(){return this.potentialVariableMap_};Blockly.Workspace.prototype.createPotentialVariableMap=function(){this.potentialVariableMap_=new Blockly.VariableMap(this)};Blockly.Workspace.prototype.getVariableMap=function(){return this.variableMap_};Blockly.Workspace.prototype.setVariableMap=function(a){this.variableMap_=a};Blockly.Workspace.WorkspaceDB_=Object.create(null);
-Blockly.Workspace.getById=function(a){return Blockly.Workspace.WorkspaceDB_[a]||null};Blockly.Workspace.getAll=function(){var a=[],b;for(b in Blockly.Workspace.WorkspaceDB_)a.push(Blockly.Workspace.WorkspaceDB_[b]);return a};Blockly.Bubble=function(a,b,c,d,e,f){this.workspace_=a;this.content_=b;this.shape_=c;this.onMouseDownResizeWrapper_=this.onMouseDownBubbleWrapper_=this.moveCallback_=this.resizeCallback_=null;this.disposed=!1;c=Blockly.Bubble.ARROW_ANGLE;this.workspace_.RTL&&(c=-c);this.arrow_radians_=Blockly.utils.math.toRadians(c);a.getBubbleCanvas().appendChild(this.createDom_(b,!(!e||!f)));this.setAnchorLocation(d);e&&f||(a=this.content_.getBBox(),e=a.width+2*Blockly.Bubble.BORDER_WIDTH,f=a.height+2*Blockly.Bubble.BORDER_WIDTH);
-this.setBubbleSize(e,f);this.positionBubble_();this.renderArrow_();this.rendered_=!0};Blockly.Bubble.BORDER_WIDTH=6;Blockly.Bubble.ARROW_THICKNESS=5;Blockly.Bubble.ARROW_ANGLE=20;Blockly.Bubble.ARROW_BEND=4;Blockly.Bubble.ANCHOR_RADIUS=8;Blockly.Bubble.onMouseUpWrapper_=null;Blockly.Bubble.onMouseMoveWrapper_=null;
-Blockly.Bubble.unbindDragEvents_=function(){Blockly.Bubble.onMouseUpWrapper_&&(Blockly.unbindEvent_(Blockly.Bubble.onMouseUpWrapper_),Blockly.Bubble.onMouseUpWrapper_=null);Blockly.Bubble.onMouseMoveWrapper_&&(Blockly.unbindEvent_(Blockly.Bubble.onMouseMoveWrapper_),Blockly.Bubble.onMouseMoveWrapper_=null)};Blockly.Bubble.bubbleMouseUp_=function(a){Blockly.Touch.clearTouchIdentifier();Blockly.Bubble.unbindDragEvents_()};Blockly.Bubble.prototype.rendered_=!1;Blockly.Bubble.prototype.anchorXY_=null;
-Blockly.Bubble.prototype.relativeLeft_=0;Blockly.Bubble.prototype.relativeTop_=0;Blockly.Bubble.prototype.width_=0;Blockly.Bubble.prototype.height_=0;Blockly.Bubble.prototype.autoLayout_=!0;
-Blockly.Bubble.prototype.createDom_=function(a,b){this.bubbleGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{},null);var c={filter:"url(#"+this.workspace_.getRenderer().getConstants().embossFilterId+")"};Blockly.utils.userAgent.JAVA_FX&&(c={});c=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,c,this.bubbleGroup_);this.bubbleArrow_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{},c);this.bubbleBack_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{"class":"blocklyDraggable",
-x:0,y:0,rx:Blockly.Bubble.BORDER_WIDTH,ry:Blockly.Bubble.BORDER_WIDTH},c);b?(this.resizeGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{"class":this.workspace_.RTL?"blocklyResizeSW":"blocklyResizeSE"},this.bubbleGroup_),b=2*Blockly.Bubble.BORDER_WIDTH,Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.POLYGON,{points:"0,x x,x x,0".replace(/x/g,b.toString())},this.resizeGroup_),Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.LINE,{"class":"blocklyResizeLine",x1:b/3,y1:b-1,x2:b-
-1,y2:b/3},this.resizeGroup_),Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.LINE,{"class":"blocklyResizeLine",x1:2*b/3,y1:b-1,x2:b-1,y2:2*b/3},this.resizeGroup_)):this.resizeGroup_=null;this.workspace_.options.readOnly||(this.onMouseDownBubbleWrapper_=Blockly.bindEventWithChecks_(this.bubbleBack_,"mousedown",this,this.bubbleMouseDown_),this.resizeGroup_&&(this.onMouseDownResizeWrapper_=Blockly.bindEventWithChecks_(this.resizeGroup_,"mousedown",this,this.resizeMouseDown_)));this.bubbleGroup_.appendChild(a);
-return this.bubbleGroup_};Blockly.Bubble.prototype.getSvgRoot=function(){return this.bubbleGroup_};Blockly.Bubble.prototype.setSvgId=function(a){this.bubbleGroup_.dataset&&(this.bubbleGroup_.dataset.blockId=a)};Blockly.Bubble.prototype.bubbleMouseDown_=function(a){var b=this.workspace_.getGesture(a);b&&b.handleBubbleStart(a,this)};Blockly.Bubble.prototype.showContextMenu=function(a){};Blockly.Bubble.prototype.isDeletable=function(){return!1};Blockly.Bubble.prototype.setDeleteStyle=function(a){};
-Blockly.Bubble.prototype.resizeMouseDown_=function(a){this.promote();Blockly.Bubble.unbindDragEvents_();Blockly.utils.isRightButton(a)||(this.workspace_.startDrag(a,new Blockly.utils.Coordinate(this.workspace_.RTL?-this.width_:this.width_,this.height_)),Blockly.Bubble.onMouseUpWrapper_=Blockly.bindEventWithChecks_(document,"mouseup",this,Blockly.Bubble.bubbleMouseUp_),Blockly.Bubble.onMouseMoveWrapper_=Blockly.bindEventWithChecks_(document,"mousemove",this,this.resizeMouseMove_),Blockly.hideChaff());
-a.stopPropagation()};Blockly.Bubble.prototype.resizeMouseMove_=function(a){this.autoLayout_=!1;a=this.workspace_.moveDrag(a);this.setBubbleSize(this.workspace_.RTL?-a.x:a.x,a.y);this.workspace_.RTL&&this.positionBubble_()};Blockly.Bubble.prototype.registerResizeEvent=function(a){this.resizeCallback_=a};Blockly.Bubble.prototype.registerMoveEvent=function(a){this.moveCallback_=a};
-Blockly.Bubble.prototype.promote=function(){var a=this.bubbleGroup_.parentNode;return a.lastChild!==this.bubbleGroup_?(a.appendChild(this.bubbleGroup_),!0):!1};Blockly.Bubble.prototype.setAnchorLocation=function(a){this.anchorXY_=a;this.rendered_&&this.positionBubble_()};
-Blockly.Bubble.prototype.layoutBubble_=function(){var a=this.workspace_.getMetrics();a.viewLeft/=this.workspace_.scale;a.viewWidth/=this.workspace_.scale;a.viewTop/=this.workspace_.scale;a.viewHeight/=this.workspace_.scale;var b=this.getOptimalRelativeLeft_(a),c=this.getOptimalRelativeTop_(a),d=this.shape_.getBBox(),e={x:b,y:-this.height_-this.workspace_.getRenderer().getConstants().MIN_BLOCK_HEIGHT},f={x:-this.width_-30,y:c};c={x:d.width,y:c};var g={x:b,y:d.height};b=d.width<d.height?c:g;d=d.width<
-d.height?g:c;c=this.getOverlap_(e,a);g=this.getOverlap_(f,a);var h=this.getOverlap_(b,a);a=this.getOverlap_(d,a);a=Math.max(c,g,h,a);c==a?(this.relativeLeft_=e.x,this.relativeTop_=e.y):g==a?(this.relativeLeft_=f.x,this.relativeTop_=f.y):h==a?(this.relativeLeft_=b.x,this.relativeTop_=b.y):(this.relativeLeft_=d.x,this.relativeTop_=d.y)};
-Blockly.Bubble.prototype.getOverlap_=function(a,b){var c=this.workspace_.RTL?this.anchorXY_.x-a.x-this.width_:a.x+this.anchorXY_.x;a=a.y+this.anchorXY_.y;return Math.max(0,Math.min(1,(Math.min(c+this.width_,b.viewLeft+b.viewWidth)-Math.max(c,b.viewLeft))*(Math.min(a+this.height_,b.viewTop+b.viewHeight)-Math.max(a,b.viewTop))/(this.width_*this.height_)))};
-Blockly.Bubble.prototype.getOptimalRelativeLeft_=function(a){var b=-this.width_/4;if(this.width_>a.viewWidth)return b;if(this.workspace_.RTL)var c=this.anchorXY_.x-b,d=c-this.width_,e=a.viewLeft+a.viewWidth,f=a.viewLeft+Blockly.Scrollbar.scrollbarThickness/this.workspace_.scale;else d=b+this.anchorXY_.x,c=d+this.width_,f=a.viewLeft,e=a.viewLeft+a.viewWidth-Blockly.Scrollbar.scrollbarThickness/this.workspace_.scale;this.workspace_.RTL?d<f?b=-(f-this.anchorXY_.x+this.width_):c>e&&(b=-(e-this.anchorXY_.x)):
-d<f?b=f-this.anchorXY_.x:c>e&&(b=e-this.anchorXY_.x-this.width_);return b};Blockly.Bubble.prototype.getOptimalRelativeTop_=function(a){var b=-this.height_/4;if(this.height_>a.viewHeight)return b;var c=this.anchorXY_.y+b,d=c+this.height_,e=a.viewTop;a=a.viewTop+a.viewHeight-Blockly.Scrollbar.scrollbarThickness/this.workspace_.scale;var f=this.anchorXY_.y;c<e?b=e-f:d>a&&(b=a-f-this.height_);return b};
-Blockly.Bubble.prototype.positionBubble_=function(){var a=this.anchorXY_.x;a=this.workspace_.RTL?a-(this.relativeLeft_+this.width_):a+this.relativeLeft_;this.moveTo(a,this.relativeTop_+this.anchorXY_.y)};Blockly.Bubble.prototype.moveTo=function(a,b){this.bubbleGroup_.setAttribute("transform","translate("+a+","+b+")")};Blockly.Bubble.prototype.setDragging=function(a){!a&&this.moveCallback_&&this.moveCallback_()};
-Blockly.Bubble.prototype.getBubbleSize=function(){return new Blockly.utils.Size(this.width_,this.height_)};
-Blockly.Bubble.prototype.setBubbleSize=function(a,b){var c=2*Blockly.Bubble.BORDER_WIDTH;a=Math.max(a,c+45);b=Math.max(b,c+20);this.width_=a;this.height_=b;this.bubbleBack_.setAttribute("width",a);this.bubbleBack_.setAttribute("height",b);this.resizeGroup_&&(this.workspace_.RTL?this.resizeGroup_.setAttribute("transform","translate("+2*Blockly.Bubble.BORDER_WIDTH+","+(b-c)+") scale(-1 1)"):this.resizeGroup_.setAttribute("transform","translate("+(a-c)+","+(b-c)+")"));this.autoLayout_&&this.layoutBubble_();
-this.positionBubble_();this.renderArrow_();this.resizeCallback_&&this.resizeCallback_()};
-Blockly.Bubble.prototype.renderArrow_=function(){var a=[],b=this.width_/2,c=this.height_/2,d=-this.relativeLeft_,e=-this.relativeTop_;if(b==d&&c==e)a.push("M "+b+","+c);else{e-=c;d-=b;this.workspace_.RTL&&(d*=-1);var f=Math.sqrt(e*e+d*d),g=Math.acos(d/f);0>e&&(g=2*Math.PI-g);var h=g+Math.PI/2;h>2*Math.PI&&(h-=2*Math.PI);var k=Math.sin(h),l=Math.cos(h),m=this.getBubbleSize();h=(m.width+m.height)/Blockly.Bubble.ARROW_THICKNESS;h=Math.min(h,m.width,m.height)/4;m=1-Blockly.Bubble.ANCHOR_RADIUS/f;d=b+
-m*d;e=c+m*e;m=b+h*l;var n=c+h*k;b-=h*l;c-=h*k;k=g+this.arrow_radians_;k>2*Math.PI&&(k-=2*Math.PI);g=Math.sin(k)*f/Blockly.Bubble.ARROW_BEND;f=Math.cos(k)*f/Blockly.Bubble.ARROW_BEND;a.push("M"+m+","+n);a.push("C"+(m+f)+","+(n+g)+" "+d+","+e+" "+d+","+e);a.push("C"+d+","+e+" "+(b+f)+","+(c+g)+" "+b+","+c)}a.push("z");this.bubbleArrow_.setAttribute("d",a.join(" "))};Blockly.Bubble.prototype.setColour=function(a){this.bubbleBack_.setAttribute("fill",a);this.bubbleArrow_.setAttribute("fill",a)};
-Blockly.Bubble.prototype.dispose=function(){this.onMouseDownBubbleWrapper_&&Blockly.unbindEvent_(this.onMouseDownBubbleWrapper_);this.onMouseDownResizeWrapper_&&Blockly.unbindEvent_(this.onMouseDownResizeWrapper_);Blockly.Bubble.unbindDragEvents_();Blockly.utils.dom.removeNode(this.bubbleGroup_);this.disposed=!0};
-Blockly.Bubble.prototype.moveDuringDrag=function(a,b){a?a.translateSurface(b.x,b.y):this.moveTo(b.x,b.y);this.relativeLeft_=this.workspace_.RTL?this.anchorXY_.x-b.x-this.width_:b.x-this.anchorXY_.x;this.relativeTop_=b.y-this.anchorXY_.y;this.renderArrow_()};Blockly.Bubble.prototype.getRelativeToSurfaceXY=function(){return new Blockly.utils.Coordinate(this.workspace_.RTL?-this.relativeLeft_+this.anchorXY_.x-this.width_:this.anchorXY_.x+this.relativeLeft_,this.anchorXY_.y+this.relativeTop_)};
-Blockly.Bubble.prototype.setAutoLayout=function(a){this.autoLayout_=a};Blockly.Events.CommentBase=function(a){this.commentId=(this.isBlank="undefined"==typeof a)?"":a.id;this.workspaceId=this.isBlank?"":a.workspace.id;this.group=Blockly.Events.getGroup();this.recordUndo=Blockly.Events.recordUndo};Blockly.utils.object.inherits(Blockly.Events.CommentBase,Blockly.Events.Abstract);Blockly.Events.CommentBase.prototype.toJson=function(){var a=Blockly.Events.CommentBase.superClass_.toJson.call(this);this.commentId&&(a.commentId=this.commentId);return a};
-Blockly.Events.CommentBase.prototype.fromJson=function(a){Blockly.Events.CommentBase.superClass_.fromJson.call(this,a);this.commentId=a.commentId};Blockly.Events.CommentChange=function(a,b,c){Blockly.Events.CommentChange.superClass_.constructor.call(this,a);a&&(this.oldContents_="undefined"==typeof b?"":b,this.newContents_="undefined"==typeof c?"":c)};Blockly.utils.object.inherits(Blockly.Events.CommentChange,Blockly.Events.CommentBase);Blockly.Events.CommentChange.prototype.type=Blockly.Events.COMMENT_CHANGE;
-Blockly.Events.CommentChange.prototype.toJson=function(){var a=Blockly.Events.CommentChange.superClass_.toJson.call(this);a.newContents=this.newContents_;return a};Blockly.Events.CommentChange.prototype.fromJson=function(a){Blockly.Events.CommentChange.superClass_.fromJson.call(this,a);this.newContents_=a.newValue};Blockly.Events.CommentChange.prototype.isNull=function(){return this.oldContents_==this.newContents_};
-Blockly.Events.CommentChange.prototype.run=function(a){var b=this.getEventWorkspace_().getCommentById(this.commentId);b?b.setContent(a?this.newContents_:this.oldContents_):console.warn("Can't change non-existent comment: "+this.commentId)};Blockly.Events.CommentCreate=function(a){Blockly.Events.CommentCreate.superClass_.constructor.call(this,a);a&&(this.xml=a.toXmlWithXY())};Blockly.utils.object.inherits(Blockly.Events.CommentCreate,Blockly.Events.CommentBase);
-Blockly.Events.CommentCreate.prototype.type=Blockly.Events.COMMENT_CREATE;Blockly.Events.CommentCreate.prototype.toJson=function(){var a=Blockly.Events.CommentCreate.superClass_.toJson.call(this);a.xml=Blockly.Xml.domToText(this.xml);return a};Blockly.Events.CommentCreate.prototype.fromJson=function(a){Blockly.Events.CommentCreate.superClass_.fromJson.call(this,a);this.xml=Blockly.Xml.textToDom(a.xml)};
-Blockly.Events.CommentCreate.prototype.run=function(a){Blockly.Events.CommentCreateDeleteHelper(this,a)};Blockly.Events.CommentCreateDeleteHelper=function(a,b){var c=a.getEventWorkspace_();b?(b=Blockly.utils.xml.createElement("xml"),b.appendChild(a.xml),Blockly.Xml.domToWorkspace(b,c)):(c=c.getCommentById(a.commentId))?c.dispose(!1,!1):console.warn("Can't uncreate non-existent comment: "+a.commentId)};
-Blockly.Events.CommentDelete=function(a){Blockly.Events.CommentDelete.superClass_.constructor.call(this,a);a&&(this.xml=a.toXmlWithXY())};Blockly.utils.object.inherits(Blockly.Events.CommentDelete,Blockly.Events.CommentBase);Blockly.Events.CommentDelete.prototype.type=Blockly.Events.COMMENT_DELETE;Blockly.Events.CommentDelete.prototype.toJson=function(){return Blockly.Events.CommentDelete.superClass_.toJson.call(this)};
-Blockly.Events.CommentDelete.prototype.fromJson=function(a){Blockly.Events.CommentDelete.superClass_.fromJson.call(this,a)};Blockly.Events.CommentDelete.prototype.run=function(a){Blockly.Events.CommentCreateDeleteHelper(this,!a)};Blockly.Events.CommentMove=function(a){Blockly.Events.CommentMove.superClass_.constructor.call(this,a);a&&(this.comment_=a,this.oldCoordinate_=a.getXY(),this.newCoordinate_=null)};Blockly.utils.object.inherits(Blockly.Events.CommentMove,Blockly.Events.CommentBase);
-Blockly.Events.CommentMove.prototype.recordNew=function(){if(!this.comment_)throw Error("Tried to record the new position of a comment on the same event twice.");this.newCoordinate_=this.comment_.getXY();this.comment_=null};Blockly.Events.CommentMove.prototype.type=Blockly.Events.COMMENT_MOVE;Blockly.Events.CommentMove.prototype.setOldCoordinate=function(a){this.oldCoordinate_=a};
-Blockly.Events.CommentMove.prototype.toJson=function(){var a=Blockly.Events.CommentMove.superClass_.toJson.call(this);this.newCoordinate_&&(a.newCoordinate=Math.round(this.newCoordinate_.x)+","+Math.round(this.newCoordinate_.y));return a};Blockly.Events.CommentMove.prototype.fromJson=function(a){Blockly.Events.CommentMove.superClass_.fromJson.call(this,a);a.newCoordinate&&(a=a.newCoordinate.split(","),this.newCoordinate_=new Blockly.utils.Coordinate(Number(a[0]),Number(a[1])))};
-Blockly.Events.CommentMove.prototype.isNull=function(){return Blockly.utils.Coordinate.equals(this.oldCoordinate_,this.newCoordinate_)};Blockly.Events.CommentMove.prototype.run=function(a){var b=this.getEventWorkspace_().getCommentById(this.commentId);if(b){a=a?this.newCoordinate_:this.oldCoordinate_;var c=b.getXY();b.moveBy(a.x-c.x,a.y-c.y)}else console.warn("Can't move non-existent comment: "+this.commentId)};Blockly.registry.register(Blockly.registry.Type.EVENT,Blockly.Events.COMMENT_CREATE,Blockly.Events.CommentCreate);
-Blockly.registry.register(Blockly.registry.Type.EVENT,Blockly.Events.COMMENT_CHANGE,Blockly.Events.CommentChange);Blockly.registry.register(Blockly.registry.Type.EVENT,Blockly.Events.COMMENT_MOVE,Blockly.Events.CommentMove);Blockly.registry.register(Blockly.registry.Type.EVENT,Blockly.Events.COMMENT_DELETE,Blockly.Events.CommentDelete);Blockly.BubbleDragger=function(a,b){this.draggingBubble_=a;this.workspace_=b;this.deleteArea_=null;this.wouldDeleteBubble_=!1;this.startXY_=this.draggingBubble_.getRelativeToSurfaceXY();this.dragSurface_=Blockly.utils.is3dSupported()&&b.getBlockDragSurface()?b.getBlockDragSurface():null};Blockly.BubbleDragger.prototype.dispose=function(){this.dragSurface_=this.workspace_=this.draggingBubble_=null};
-Blockly.BubbleDragger.prototype.startBubbleDrag=function(){Blockly.Events.getGroup()||Blockly.Events.setGroup(!0);this.workspace_.setResizesEnabled(!1);this.draggingBubble_.setAutoLayout(!1);this.dragSurface_&&this.moveToDragSurface_();this.draggingBubble_.setDragging&&this.draggingBubble_.setDragging(!0);var a=this.workspace_.getToolbox();if(a&&"function"==typeof a.addStyle){var b=this.draggingBubble_.isDeletable()?"blocklyToolboxDelete":"blocklyToolboxGrab";a.addStyle(b)}};
-Blockly.BubbleDragger.prototype.dragBubble=function(a,b){b=this.pixelsToWorkspaceUnits_(b);b=Blockly.utils.Coordinate.sum(this.startXY_,b);this.draggingBubble_.moveDuringDrag(this.dragSurface_,b);this.draggingBubble_.isDeletable()&&(this.deleteArea_=this.workspace_.isDeleteArea(a),this.updateCursorDuringBubbleDrag_())};
-Blockly.BubbleDragger.prototype.maybeDeleteBubble_=function(){var a=this.workspace_.trashcan;this.wouldDeleteBubble_?(a&&setTimeout(a.closeLid.bind(a),100),this.fireMoveEvent_(),this.draggingBubble_.dispose(!1,!0)):a&&a.closeLid();return this.wouldDeleteBubble_};
-Blockly.BubbleDragger.prototype.updateCursorDuringBubbleDrag_=function(){this.wouldDeleteBubble_=this.deleteArea_!=Blockly.DELETE_AREA_NONE;var a=this.workspace_.trashcan;this.wouldDeleteBubble_?(this.draggingBubble_.setDeleteStyle(!0),this.deleteArea_==Blockly.DELETE_AREA_TRASH&&a&&a.setLidOpen(!0)):(this.draggingBubble_.setDeleteStyle(!1),a&&a.setLidOpen(!1))};
-Blockly.BubbleDragger.prototype.endBubbleDrag=function(a,b){this.dragBubble(a,b);a=this.pixelsToWorkspaceUnits_(b);a=Blockly.utils.Coordinate.sum(this.startXY_,a);this.draggingBubble_.moveTo(a.x,a.y);this.maybeDeleteBubble_()||(this.dragSurface_&&this.dragSurface_.clearAndHide(this.workspace_.getBubbleCanvas()),this.draggingBubble_.setDragging&&this.draggingBubble_.setDragging(!1),this.fireMoveEvent_());this.workspace_.setResizesEnabled(!0);(a=this.workspace_.getToolbox())&&"function"==typeof a.removeStyle&&
-(b=this.draggingBubble_.isDeletable()?"blocklyToolboxDelete":"blocklyToolboxGrab",a.removeStyle(b));Blockly.Events.setGroup(!1)};Blockly.BubbleDragger.prototype.fireMoveEvent_=function(){if(this.draggingBubble_.isComment){var a=new Blockly.Events.CommentMove(this.draggingBubble_);a.setOldCoordinate(this.startXY_);a.recordNew();Blockly.Events.fire(a)}};
-Blockly.BubbleDragger.prototype.pixelsToWorkspaceUnits_=function(a){a=new Blockly.utils.Coordinate(a.x/this.workspace_.scale,a.y/this.workspace_.scale);this.workspace_.isMutator&&a.scale(1/this.workspace_.options.parentWorkspace.scale);return a};Blockly.BubbleDragger.prototype.moveToDragSurface_=function(){this.draggingBubble_.moveTo(0,0);this.dragSurface_.translateSurface(this.startXY_.x,this.startXY_.y);this.dragSurface_.setBlocksAndShow(this.draggingBubble_.getSvgRoot())};Blockly.WorkspaceDragger=function(a){this.workspace_=a;this.startScrollXY_=new Blockly.utils.Coordinate(a.scrollX,a.scrollY)};Blockly.WorkspaceDragger.prototype.dispose=function(){this.workspace_=null};Blockly.WorkspaceDragger.prototype.startDrag=function(){Blockly.selected&&Blockly.selected.unselect();this.workspace_.setupDragSurface()};Blockly.WorkspaceDragger.prototype.endDrag=function(a){this.drag(a);this.workspace_.resetDragSurface()};
-Blockly.WorkspaceDragger.prototype.drag=function(a){a=Blockly.utils.Coordinate.sum(this.startScrollXY_,a);this.workspace_.scroll(a.x,a.y)};Blockly.FlyoutDragger=function(a){Blockly.FlyoutDragger.superClass_.constructor.call(this,a.getWorkspace());this.scrollbar_=a.scrollbar;this.horizontalLayout_=a.horizontalLayout};Blockly.utils.object.inherits(Blockly.FlyoutDragger,Blockly.WorkspaceDragger);Blockly.FlyoutDragger.prototype.drag=function(a){a=Blockly.utils.Coordinate.sum(this.startScrollXY_,a);this.horizontalLayout_?this.scrollbar_.set(-a.x):this.scrollbar_.set(-a.y)};Blockly.Action=function(a,b){this.name=a;this.desc=b};Blockly.navigation={};Blockly.navigation.loggingCallback=null;Blockly.navigation.STATE_FLYOUT=1;Blockly.navigation.STATE_WS=2;Blockly.navigation.STATE_TOOLBOX=3;Blockly.navigation.WS_MOVE_DISTANCE=40;Blockly.navigation.currentState_=Blockly.navigation.STATE_WS;
-Blockly.navigation.actionNames={PREVIOUS:"previous",NEXT:"next",IN:"in",OUT:"out",INSERT:"insert",MARK:"mark",DISCONNECT:"disconnect",TOOLBOX:"toolbox",EXIT:"exit",TOGGLE_KEYBOARD_NAV:"toggle_keyboard_nav",MOVE_WS_CURSOR_UP:"move workspace cursor up",MOVE_WS_CURSOR_DOWN:"move workspace cursor down",MOVE_WS_CURSOR_LEFT:"move workspace cursor left",MOVE_WS_CURSOR_RIGHT:"move workspace cursor right"};Blockly.navigation.MARKER_NAME="local_marker_1";Blockly.navigation.getMarker=function(){return Blockly.navigation.getNavigationWorkspace().getMarker(Blockly.navigation.MARKER_NAME)};
-Blockly.navigation.getNavigationWorkspace=function(){return Blockly.getMainWorkspace()};Blockly.navigation.focusToolbox_=function(){var a=Blockly.navigation.getNavigationWorkspace().getToolbox();a&&(Blockly.navigation.currentState_=Blockly.navigation.STATE_TOOLBOX,Blockly.navigation.resetFlyout_(!1),Blockly.navigation.getMarker().getCurNode()||Blockly.navigation.markAtCursor_(),a.getSelectedItem()||a.selectItemByPosition(0))};
-Blockly.navigation.focusFlyout_=function(){Blockly.navigation.currentState_=Blockly.navigation.STATE_FLYOUT;var a=Blockly.navigation.getNavigationWorkspace();var b=a.getToolbox();a=b?b.getFlyout():a.getFlyout();Blockly.navigation.getMarker().getCurNode()||Blockly.navigation.markAtCursor_();a&&a.getWorkspace()&&(a=a.getWorkspace().getTopBlocks(!0),0<a.length&&(a=a[0],a=Blockly.ASTNode.createStackNode(a),Blockly.navigation.getFlyoutCursor_().setCurNode(a)))};
-Blockly.navigation.focusWorkspace_=function(){Blockly.hideChaff();var a=Blockly.navigation.getNavigationWorkspace(),b=a.getCursor(),c=!!a.getToolbox(),d=a.getTopBlocks(!0);Blockly.navigation.resetFlyout_(c);Blockly.navigation.currentState_=Blockly.navigation.STATE_WS;0<d.length?b.setCurNode(Blockly.ASTNode.createTopNode(d[0])):(c=new Blockly.utils.Coordinate(100,100),a=Blockly.ASTNode.createWorkspaceNode(a,c),b.setCurNode(a))};
-Blockly.navigation.getFlyoutCursor_=function(){var a=Blockly.navigation.getNavigationWorkspace(),b=null;a.rendered&&(b=(a=(b=a.getToolbox())?b.getFlyout():a.getFlyout())?a.getWorkspace().getCursor():null);return b};
-Blockly.navigation.insertFromFlyout=function(){var a=Blockly.navigation.getNavigationWorkspace(),b=a.getFlyout();if(b&&b.isVisible()){var c=Blockly.navigation.getFlyoutCursor_().getCurNode().getLocation();c.isEnabled()?(b=b.createBlock(c),b.render(),b.setConnectionTracking(!0),a.getCursor().setCurNode(Blockly.ASTNode.createBlockNode(b)),Blockly.navigation.modify_()||Blockly.navigation.warn_("Something went wrong while inserting a block from the flyout."),Blockly.navigation.focusWorkspace_(),a.getCursor().setCurNode(Blockly.ASTNode.createTopNode(b)),
-Blockly.navigation.removeMark_()):Blockly.navigation.warn_("Can't insert a disabled block.")}else Blockly.navigation.warn_("Trying to insert from the flyout when the flyout does not  exist or is not visible")};Blockly.navigation.resetFlyout_=function(a){Blockly.navigation.getFlyoutCursor_()&&(Blockly.navigation.getFlyoutCursor_().hide(),a&&Blockly.navigation.getNavigationWorkspace().getFlyout().hide())};
-Blockly.navigation.modifyWarn_=function(){var a=Blockly.navigation.getMarker().getCurNode(),b=Blockly.navigation.getNavigationWorkspace().getCursor().getCurNode();if(!a)return Blockly.navigation.warn_("Cannot insert with no marked node."),!1;if(!b)return Blockly.navigation.warn_("Cannot insert with no cursor node."),!1;a=a.getType();b=b.getType();return a==Blockly.ASTNode.types.FIELD?(Blockly.navigation.warn_("Should not have been able to mark a field."),!1):a==Blockly.ASTNode.types.BLOCK?(Blockly.navigation.warn_("Should not have been able to mark a block."),
-!1):a==Blockly.ASTNode.types.STACK?(Blockly.navigation.warn_("Should not have been able to mark a stack."),!1):b==Blockly.ASTNode.types.FIELD?(Blockly.navigation.warn_("Cannot attach a field to anything else."),!1):b==Blockly.ASTNode.types.WORKSPACE?(Blockly.navigation.warn_("Cannot attach a workspace to anything else."),!1):!0};
-Blockly.navigation.moveBlockToWorkspace_=function(a,b){if(!a)return!1;if(a.isShadow())return Blockly.navigation.warn_("Cannot move a shadow block to the workspace."),!1;a.getParent()&&a.unplug(!1);a.moveTo(b.getWsCoordinate());return!0};
-Blockly.navigation.modify_=function(){var a=Blockly.navigation.getMarker().getCurNode(),b=Blockly.navigation.getNavigationWorkspace().getCursor().getCurNode();if(!Blockly.navigation.modifyWarn_())return!1;var c=a.getType(),d=b.getType(),e=b.getLocation(),f=a.getLocation();if(a.isConnection()&&b.isConnection())return Blockly.navigation.connect_(e,f);if(a.isConnection()&&(d==Blockly.ASTNode.types.BLOCK||d==Blockly.ASTNode.types.STACK))return Blockly.navigation.insertBlock(e,f);if(c==Blockly.ASTNode.types.WORKSPACE)return b=
-b?b.getSourceBlock():null,Blockly.navigation.moveBlockToWorkspace_(b,a);Blockly.navigation.warn_("Unexpected state in Blockly.navigation.modify_.");return!1};Blockly.navigation.disconnectChild_=function(a,b){var c=a.getSourceBlock(),d=b.getSourceBlock();c.getRootBlock()==d.getRootBlock()&&(-1<c.getDescendants(!1).indexOf(d)?Blockly.navigation.getInferiorConnection_(b).disconnect():Blockly.navigation.getInferiorConnection_(a).disconnect())};
-Blockly.navigation.moveAndConnect_=function(a,b){if(!a||!b)return!1;var c=a.getSourceBlock();return a.getConnectionChecker().canConnect(a,b,!1)?(Blockly.navigation.disconnectChild_(a,b),b.isSuperior()||c.getRootBlock().positionNearConnection(a,b),b.connect(a),!0):!1};Blockly.navigation.getInferiorConnection_=function(a){var b=a.getSourceBlock();return a.isSuperior()?b.previousConnection?b.previousConnection:b.outputConnection?b.outputConnection:null:a};
-Blockly.navigation.getSuperiorConnection_=function(a){return a.isSuperior()?a:a.targetConnection?a.targetConnection:null};
-Blockly.navigation.connect_=function(a,b){if(!a||!b)return!1;var c=Blockly.navigation.getInferiorConnection_(a),d=Blockly.navigation.getSuperiorConnection_(b),e=Blockly.navigation.getSuperiorConnection_(a),f=Blockly.navigation.getInferiorConnection_(b);if(c&&d&&Blockly.navigation.moveAndConnect_(c,d)||e&&f&&Blockly.navigation.moveAndConnect_(e,f)||Blockly.navigation.moveAndConnect_(a,b))return!0;c=a.getConnectionChecker();d=c.canConnectWithReason(a,b,!1);Blockly.navigation.warn_("Connection failed with error: "+
-c.getErrorMessage(d,a,b));return!1};
-Blockly.navigation.insertBlock=function(a,b){switch(b.type){case Blockly.PREVIOUS_STATEMENT:if(Blockly.navigation.connect_(a.nextConnection,b))return!0;break;case Blockly.NEXT_STATEMENT:if(Blockly.navigation.connect_(a.previousConnection,b))return!0;break;case Blockly.INPUT_VALUE:if(Blockly.navigation.connect_(a.outputConnection,b))return!0;break;case Blockly.OUTPUT_VALUE:for(var c=0;c<a.inputList.length;c++){var d=a.inputList[c].connection;if(d&&d.type===Blockly.INPUT_VALUE&&Blockly.navigation.connect_(d,
-b))return!0}if(a.outputConnection&&Blockly.navigation.connect_(a.outputConnection,b))return!0}Blockly.navigation.warn_("This block can not be inserted at the marked location.");return!1};
-Blockly.navigation.disconnectBlocks_=function(){var a=Blockly.navigation.getNavigationWorkspace(),b=a.getCursor().getCurNode();if(b.isConnection()){var c=b.getLocation();c.isConnected()?(b=c.isSuperior()?c:c.targetConnection,c=c.isSuperior()?c.targetConnection:c,c.getSourceBlock().isShadow()?Blockly.navigation.log_("Cannot disconnect a shadow block"):(b.disconnect(),c.bumpAwayFrom(b),b.getSourceBlock().getRootBlock().bringToFront(),b=Blockly.ASTNode.createConnectionNode(b),a.getCursor().setCurNode(b))):
-Blockly.navigation.log_("Cannot disconnect unconnected connection")}else Blockly.navigation.log_("Cannot disconnect blocks when the cursor is not on a connection")};Blockly.navigation.markAtCursor_=function(){Blockly.navigation.getMarker().setCurNode(Blockly.navigation.getNavigationWorkspace().getCursor().getCurNode())};Blockly.navigation.removeMark_=function(){var a=Blockly.navigation.getMarker();a.setCurNode(null);a.hide()};
-Blockly.navigation.setState=function(a){Blockly.navigation.currentState_=a};
-Blockly.navigation.moveCursorOnBlockDelete=function(a){var b=Blockly.navigation.getNavigationWorkspace();if(b&&(b=b.getCursor())){var c=b.getCurNode();c=c?c.getSourceBlock():null;c===a?c.getParent()?(a=c.previousConnection||c.outputConnection)&&b.setCurNode(Blockly.ASTNode.createConnectionNode(a.targetConnection)):b.setCurNode(Blockly.ASTNode.createWorkspaceNode(c.workspace,c.getRelativeToSurfaceXY())):c&&-1<a.getChildren(!1).indexOf(c)&&b.setCurNode(Blockly.ASTNode.createWorkspaceNode(c.workspace,
-c.getRelativeToSurfaceXY()))}};Blockly.navigation.moveCursorOnBlockMutation=function(a){var b=Blockly.navigation.getNavigationWorkspace().getCursor();if(b){var c=b.getCurNode();c=c?c.getSourceBlock():null;c===a&&b.setCurNode(Blockly.ASTNode.createBlockNode(c))}};Blockly.navigation.enableKeyboardAccessibility=function(){var a=Blockly.navigation.getNavigationWorkspace();a.keyboardAccessibilityMode||(a.keyboardAccessibilityMode=!0,Blockly.navigation.focusWorkspace_())};
-Blockly.navigation.disableKeyboardAccessibility=function(){var a=Blockly.navigation.getNavigationWorkspace();a.keyboardAccessibilityMode&&(a.keyboardAccessibilityMode=!1,a.getCursor().hide(),Blockly.navigation.getMarker().hide(),Blockly.navigation.getFlyoutCursor_()&&Blockly.navigation.getFlyoutCursor_().hide())};Blockly.navigation.log_=function(a){Blockly.navigation.loggingCallback?Blockly.navigation.loggingCallback("log",a):console.log(a)};
-Blockly.navigation.warn_=function(a){Blockly.navigation.loggingCallback?Blockly.navigation.loggingCallback("warn",a):console.warn(a)};Blockly.navigation.error_=function(a){Blockly.navigation.loggingCallback?Blockly.navigation.loggingCallback("error",a):console.error(a)};Blockly.navigation.onKeyPress=function(a){a=Blockly.user.keyMap.serializeKeyEvent(a);return(a=Blockly.user.keyMap.getActionByKeyCode(a))?Blockly.navigation.onBlocklyAction(a):!1};
-Blockly.navigation.onBlocklyAction=function(a){var b=Blockly.navigation.getNavigationWorkspace(),c=b.options.readOnly,d=!1;b.keyboardAccessibilityMode?c?-1<Blockly.navigation.READONLY_ACTION_LIST.indexOf(a)&&(d=Blockly.navigation.handleActions_(a)):d=Blockly.navigation.handleActions_(a):a.name===Blockly.navigation.actionNames.TOGGLE_KEYBOARD_NAV&&(Blockly.navigation.enableKeyboardAccessibility(),d=!0);return d};
-Blockly.navigation.handleActions_=function(a){return a.name==Blockly.navigation.actionNames.TOOLBOX||Blockly.navigation.currentState_==Blockly.navigation.STATE_TOOLBOX?Blockly.navigation.toolboxOnAction_(a):a.name==Blockly.navigation.actionNames.TOGGLE_KEYBOARD_NAV?(Blockly.navigation.disableKeyboardAccessibility(),!0):Blockly.navigation.currentState_==Blockly.navigation.STATE_WS?Blockly.navigation.workspaceOnAction_(a):Blockly.navigation.currentState_==Blockly.navigation.STATE_FLYOUT?Blockly.navigation.flyoutOnAction_(a):
-!1};Blockly.navigation.flyoutOnAction_=function(a){var b=Blockly.navigation.getNavigationWorkspace(),c=b.getToolbox();if((b=c?c.getFlyout():b.getFlyout())&&b.onBlocklyAction(a))return!0;switch(a.name){case Blockly.navigation.actionNames.OUT:return Blockly.navigation.focusToolbox_(),!0;case Blockly.navigation.actionNames.MARK:return Blockly.navigation.insertFromFlyout(),!0;case Blockly.navigation.actionNames.EXIT:return Blockly.navigation.focusWorkspace_(),!0;default:return!1}};
-Blockly.navigation.toolboxOnAction_=function(a){var b=Blockly.navigation.getNavigationWorkspace(),c=b.getToolbox();return c&&"function"==typeof c.onBlocklyAction&&c.onBlocklyAction(a)?!0:a.name===Blockly.navigation.actionNames.TOOLBOX?(b.getToolbox()?Blockly.navigation.focusToolbox_():Blockly.navigation.focusFlyout_(),!0):a.name===Blockly.navigation.actionNames.IN?(Blockly.navigation.focusFlyout_(),!0):a.name===Blockly.navigation.actionNames.EXIT?(Blockly.navigation.focusWorkspace_(),!0):!1};
-Blockly.navigation.moveWSCursor_=function(a,b){var c=Blockly.navigation.getNavigationWorkspace(),d=c.getCursor(),e=c.getCursor().getCurNode();if(e.getType()!==Blockly.ASTNode.types.WORKSPACE)return!1;e=e.getWsCoordinate();d.setCurNode(Blockly.ASTNode.createWorkspaceNode(c,new Blockly.utils.Coordinate(a*Blockly.navigation.WS_MOVE_DISTANCE+e.x,b*Blockly.navigation.WS_MOVE_DISTANCE+e.y)));return!0};
-Blockly.navigation.workspaceOnAction_=function(a){if(Blockly.navigation.getNavigationWorkspace().getCursor().onBlocklyAction(a))return!0;switch(a.name){case Blockly.navigation.actionNames.INSERT:return Blockly.navigation.modify_(),!0;case Blockly.navigation.actionNames.MARK:return Blockly.navigation.handleEnterForWS_(),!0;case Blockly.navigation.actionNames.DISCONNECT:return Blockly.navigation.disconnectBlocks_(),!0;case Blockly.navigation.actionNames.MOVE_WS_CURSOR_UP:return Blockly.navigation.moveWSCursor_(0,
--1);case Blockly.navigation.actionNames.MOVE_WS_CURSOR_DOWN:return Blockly.navigation.moveWSCursor_(0,1);case Blockly.navigation.actionNames.MOVE_WS_CURSOR_LEFT:return Blockly.navigation.moveWSCursor_(-1,0);case Blockly.navigation.actionNames.MOVE_WS_CURSOR_RIGHT:return Blockly.navigation.moveWSCursor_(1,0);default:return!1}};
-Blockly.navigation.handleEnterForWS_=function(){var a=Blockly.navigation.getNavigationWorkspace().getCursor().getCurNode(),b=a.getType();b==Blockly.ASTNode.types.FIELD?a.getLocation().showEditor():a.isConnection()||b==Blockly.ASTNode.types.WORKSPACE?Blockly.navigation.markAtCursor_():b==Blockly.ASTNode.types.BLOCK?Blockly.navigation.warn_("Cannot mark a block."):b==Blockly.ASTNode.types.STACK&&Blockly.navigation.warn_("Cannot mark a stack.")};
-Blockly.navigation.ACTION_PREVIOUS=new Blockly.Action(Blockly.navigation.actionNames.PREVIOUS,"Go to the previous location.");Blockly.navigation.ACTION_OUT=new Blockly.Action(Blockly.navigation.actionNames.OUT,"Go to the parent of the current location.");Blockly.navigation.ACTION_NEXT=new Blockly.Action(Blockly.navigation.actionNames.NEXT,"Go to the next location.");Blockly.navigation.ACTION_IN=new Blockly.Action(Blockly.navigation.actionNames.IN,"Go to the first child of the current location.");
-Blockly.navigation.ACTION_INSERT=new Blockly.Action(Blockly.navigation.actionNames.INSERT,"Connect the current location to the marked location.");Blockly.navigation.ACTION_MARK=new Blockly.Action(Blockly.navigation.actionNames.MARK,"Mark the current location.");Blockly.navigation.ACTION_DISCONNECT=new Blockly.Action(Blockly.navigation.actionNames.DISCONNECT,"Disconnect the block at the current location from its parent.");
-Blockly.navigation.ACTION_TOOLBOX=new Blockly.Action(Blockly.navigation.actionNames.TOOLBOX,"Open the toolbox.");Blockly.navigation.ACTION_EXIT=new Blockly.Action(Blockly.navigation.actionNames.EXIT,"Close the current modal, such as a toolbox or field editor.");Blockly.navigation.ACTION_TOGGLE_KEYBOARD_NAV=new Blockly.Action(Blockly.navigation.actionNames.TOGGLE_KEYBOARD_NAV,"Turns on and off keyboard navigation.");
-Blockly.navigation.ACTION_MOVE_WS_CURSOR_LEFT=new Blockly.Action(Blockly.navigation.actionNames.MOVE_WS_CURSOR_LEFT,"Move the workspace cursor to the lefts.");Blockly.navigation.ACTION_MOVE_WS_CURSOR_RIGHT=new Blockly.Action(Blockly.navigation.actionNames.MOVE_WS_CURSOR_RIGHT,"Move the workspace cursor to the right.");Blockly.navigation.ACTION_MOVE_WS_CURSOR_UP=new Blockly.Action(Blockly.navigation.actionNames.MOVE_WS_CURSOR_UP,"Move the workspace cursor up.");
-Blockly.navigation.ACTION_MOVE_WS_CURSOR_DOWN=new Blockly.Action(Blockly.navigation.actionNames.MOVE_WS_CURSOR_DOWN,"Move the workspace cursor down.");Blockly.navigation.READONLY_ACTION_LIST=[Blockly.navigation.ACTION_PREVIOUS,Blockly.navigation.ACTION_OUT,Blockly.navigation.ACTION_IN,Blockly.navigation.ACTION_NEXT,Blockly.navigation.ACTION_TOGGLE_KEYBOARD_NAV];Blockly.Gesture=function(a,b){this.mouseDownXY_=null;this.currentDragDeltaXY_=new Blockly.utils.Coordinate(0,0);this.startWorkspace_=this.targetBlock_=this.startBlock_=this.startField_=this.startBubble_=null;this.creatorWorkspace_=b;this.isDraggingBubble_=this.isDraggingBlock_=this.isDraggingWorkspace_=this.hasExceededDragRadius_=!1;this.mostRecentEvent_=a;this.flyout_=this.workspaceDragger_=this.blockDragger_=this.bubbleDragger_=this.onUpWrapper_=this.onMoveWrapper_=null;this.isEnding_=this.hasStarted_=
-this.calledUpdateIsDragging_=!1;this.healStack_=!Blockly.DRAG_STACK};Blockly.Gesture.prototype.dispose=function(){Blockly.Touch.clearTouchIdentifier();Blockly.Tooltip.unblock();this.creatorWorkspace_.clearGesture();this.onMoveWrapper_&&Blockly.unbindEvent_(this.onMoveWrapper_);this.onUpWrapper_&&Blockly.unbindEvent_(this.onUpWrapper_);this.blockDragger_&&this.blockDragger_.dispose();this.workspaceDragger_&&this.workspaceDragger_.dispose();this.bubbleDragger_&&this.bubbleDragger_.dispose()};
-Blockly.Gesture.prototype.updateFromEvent_=function(a){var b=new Blockly.utils.Coordinate(a.clientX,a.clientY);this.updateDragDelta_(b)&&(this.updateIsDragging_(),Blockly.longStop_());this.mostRecentEvent_=a};
-Blockly.Gesture.prototype.updateDragDelta_=function(a){this.currentDragDeltaXY_=Blockly.utils.Coordinate.difference(a,this.mouseDownXY_);return this.hasExceededDragRadius_?!1:this.hasExceededDragRadius_=Blockly.utils.Coordinate.magnitude(this.currentDragDeltaXY_)>(this.flyout_?Blockly.FLYOUT_DRAG_RADIUS:Blockly.DRAG_RADIUS)};
-Blockly.Gesture.prototype.updateIsDraggingFromFlyout_=function(){return this.targetBlock_&&this.flyout_.isBlockCreatable_(this.targetBlock_)?!this.flyout_.isScrollable()||this.flyout_.isDragTowardWorkspace(this.currentDragDeltaXY_)?(this.startWorkspace_=this.flyout_.targetWorkspace,this.startWorkspace_.updateScreenCalculationsIfScrolled(),Blockly.Events.getGroup()||Blockly.Events.setGroup(!0),this.startBlock_=null,this.targetBlock_=this.flyout_.createBlock(this.targetBlock_),this.targetBlock_.select(),
-!0):!1:!1};Blockly.Gesture.prototype.updateIsDraggingBubble_=function(){if(!this.startBubble_)return!1;this.isDraggingBubble_=!0;this.startDraggingBubble_();return!0};Blockly.Gesture.prototype.updateIsDraggingBlock_=function(){if(!this.targetBlock_)return!1;this.flyout_?this.isDraggingBlock_=this.updateIsDraggingFromFlyout_():this.targetBlock_.isMovable()&&(this.isDraggingBlock_=!0);return this.isDraggingBlock_?(this.startDraggingBlock_(),!0):!1};
-Blockly.Gesture.prototype.updateIsDraggingWorkspace_=function(){if(this.flyout_?this.flyout_.isScrollable():this.startWorkspace_&&this.startWorkspace_.isDraggable())this.workspaceDragger_=this.flyout_?new Blockly.FlyoutDragger(this.flyout_):new Blockly.WorkspaceDragger(this.startWorkspace_),this.isDraggingWorkspace_=!0,this.workspaceDragger_.startDrag()};
-Blockly.Gesture.prototype.updateIsDragging_=function(){if(this.calledUpdateIsDragging_)throw Error("updateIsDragging_ should only be called once per gesture.");this.calledUpdateIsDragging_=!0;this.updateIsDraggingBubble_()||this.updateIsDraggingBlock_()||this.updateIsDraggingWorkspace_()};
-Blockly.Gesture.prototype.startDraggingBlock_=function(){this.blockDragger_=new Blockly.BlockDragger(this.targetBlock_,this.startWorkspace_);this.blockDragger_.startBlockDrag(this.currentDragDeltaXY_,this.healStack_);this.blockDragger_.dragBlock(this.mostRecentEvent_,this.currentDragDeltaXY_)};
-Blockly.Gesture.prototype.startDraggingBubble_=function(){this.bubbleDragger_=new Blockly.BubbleDragger(this.startBubble_,this.startWorkspace_);this.bubbleDragger_.startBubbleDrag();this.bubbleDragger_.dragBubble(this.mostRecentEvent_,this.currentDragDeltaXY_)};
-Blockly.Gesture.prototype.doStart=function(a){Blockly.utils.isTargetInput(a)?this.cancel():(this.hasStarted_=!0,Blockly.blockAnimations.disconnectUiStop(),this.startWorkspace_.updateScreenCalculationsIfScrolled(),this.startWorkspace_.isMutator&&this.startWorkspace_.resize(),Blockly.hideChaff(!!this.flyout_),this.startWorkspace_.markFocused(),this.mostRecentEvent_=a,Blockly.Tooltip.block(),this.targetBlock_&&(!this.targetBlock_.isInFlyout&&a.shiftKey&&this.targetBlock_.workspace.keyboardAccessibilityMode?
-this.creatorWorkspace_.getCursor().setCurNode(Blockly.ASTNode.createTopNode(this.targetBlock_)):this.targetBlock_.select()),Blockly.utils.isRightButton(a)?this.handleRightClick(a):("touchstart"!=a.type.toLowerCase()&&"pointerdown"!=a.type.toLowerCase()||"mouse"==a.pointerType||Blockly.longStart(a,this),this.mouseDownXY_=new Blockly.utils.Coordinate(a.clientX,a.clientY),this.healStack_=a.altKey||a.ctrlKey||a.metaKey,this.bindMouseEvents(a)))};
-Blockly.Gesture.prototype.bindMouseEvents=function(a){this.onMoveWrapper_=Blockly.bindEventWithChecks_(document,"mousemove",null,this.handleMove.bind(this));this.onUpWrapper_=Blockly.bindEventWithChecks_(document,"mouseup",null,this.handleUp.bind(this));a.preventDefault();a.stopPropagation()};
-Blockly.Gesture.prototype.handleMove=function(a){this.updateFromEvent_(a);this.isDraggingWorkspace_?this.workspaceDragger_.drag(this.currentDragDeltaXY_):this.isDraggingBlock_?this.blockDragger_.dragBlock(this.mostRecentEvent_,this.currentDragDeltaXY_):this.isDraggingBubble_&&this.bubbleDragger_.dragBubble(this.mostRecentEvent_,this.currentDragDeltaXY_);a.preventDefault();a.stopPropagation()};
-Blockly.Gesture.prototype.handleUp=function(a){this.updateFromEvent_(a);Blockly.longStop_();this.isEnding_?console.log("Trying to end a gesture recursively."):(this.isEnding_=!0,this.isDraggingBubble_?this.bubbleDragger_.endBubbleDrag(a,this.currentDragDeltaXY_):this.isDraggingBlock_?this.blockDragger_.endBlockDrag(a,this.currentDragDeltaXY_):this.isDraggingWorkspace_?this.workspaceDragger_.endDrag(this.currentDragDeltaXY_):this.isBubbleClick_()?this.doBubbleClick_():this.isFieldClick_()?this.doFieldClick_():
-this.isBlockClick_()?this.doBlockClick_():this.isWorkspaceClick_()&&this.doWorkspaceClick_(a),a.preventDefault(),a.stopPropagation(),this.dispose())};
-Blockly.Gesture.prototype.cancel=function(){this.isEnding_||(Blockly.longStop_(),this.isDraggingBubble_?this.bubbleDragger_.endBubbleDrag(this.mostRecentEvent_,this.currentDragDeltaXY_):this.isDraggingBlock_?this.blockDragger_.endBlockDrag(this.mostRecentEvent_,this.currentDragDeltaXY_):this.isDraggingWorkspace_&&this.workspaceDragger_.endDrag(this.currentDragDeltaXY_),this.dispose())};
-Blockly.Gesture.prototype.handleRightClick=function(a){this.targetBlock_?(this.bringBlockToFront_(),Blockly.hideChaff(!!this.flyout_),this.targetBlock_.showContextMenu(a)):this.startBubble_?this.startBubble_.showContextMenu(a):this.startWorkspace_&&!this.flyout_&&(Blockly.hideChaff(),this.startWorkspace_.showContextMenu(a));a.preventDefault();a.stopPropagation();this.dispose()};
-Blockly.Gesture.prototype.handleWsStart=function(a,b){if(this.hasStarted_)throw Error("Tried to call gesture.handleWsStart, but the gesture had already been started.");this.setStartWorkspace_(b);this.mostRecentEvent_=a;this.doStart(a);this.startWorkspace_.keyboardAccessibilityMode&&Blockly.navigation.setState(Blockly.navigation.STATE_WS)};Blockly.Gesture.prototype.fireWorkspaceClick_=function(a){var b=new Blockly.Events.Ui(null,"click",null,"workspace");b.workspaceId=a.id;Blockly.Events.fire(b)};
-Blockly.Gesture.prototype.handleFlyoutStart=function(a,b){if(this.hasStarted_)throw Error("Tried to call gesture.handleFlyoutStart, but the gesture had already been started.");this.setStartFlyout_(b);this.handleWsStart(a,b.getWorkspace())};Blockly.Gesture.prototype.handleBlockStart=function(a,b){if(this.hasStarted_)throw Error("Tried to call gesture.handleBlockStart, but the gesture had already been started.");this.setStartBlock(b);this.mostRecentEvent_=a};
-Blockly.Gesture.prototype.handleBubbleStart=function(a,b){if(this.hasStarted_)throw Error("Tried to call gesture.handleBubbleStart, but the gesture had already been started.");this.setStartBubble(b);this.mostRecentEvent_=a};Blockly.Gesture.prototype.doBubbleClick_=function(){this.startBubble_.setFocus&&this.startBubble_.setFocus();this.startBubble_.select&&this.startBubble_.select()};Blockly.Gesture.prototype.doFieldClick_=function(){this.startField_.showEditor(this.mostRecentEvent_);this.bringBlockToFront_()};
-Blockly.Gesture.prototype.doBlockClick_=function(){this.flyout_&&this.flyout_.autoClose?this.targetBlock_.isEnabled()&&(Blockly.Events.getGroup()||Blockly.Events.setGroup(!0),this.flyout_.createBlock(this.targetBlock_).scheduleSnapAndBump()):Blockly.Events.fire(new Blockly.Events.Ui(this.startBlock_,"click",void 0,"block"));this.bringBlockToFront_();Blockly.Events.setGroup(!1)};
-Blockly.Gesture.prototype.doWorkspaceClick_=function(a){var b=this.creatorWorkspace_;a.shiftKey&&b.keyboardAccessibilityMode?(a=new Blockly.utils.Coordinate(a.clientX,a.clientY),a=Blockly.utils.screenToWsCoordinates(b,a),a=Blockly.ASTNode.createWorkspaceNode(b,a),b.getCursor().setCurNode(a)):Blockly.selected&&Blockly.selected.unselect();this.fireWorkspaceClick_(this.startWorkspace_||b)};Blockly.Gesture.prototype.bringBlockToFront_=function(){this.targetBlock_&&!this.flyout_&&this.targetBlock_.bringToFront()};
-Blockly.Gesture.prototype.setStartField=function(a){if(this.hasStarted_)throw Error("Tried to call gesture.setStartField, but the gesture had already been started.");this.startField_||(this.startField_=a)};Blockly.Gesture.prototype.setStartBubble=function(a){this.startBubble_||(this.startBubble_=a)};Blockly.Gesture.prototype.setStartBlock=function(a){this.startBlock_||this.startBubble_||(this.startBlock_=a,a.isInFlyout&&a!=a.getRootBlock()?this.setTargetBlock_(a.getRootBlock()):this.setTargetBlock_(a))};
-Blockly.Gesture.prototype.setTargetBlock_=function(a){a.isShadow()?this.setTargetBlock_(a.getParent()):this.targetBlock_=a};Blockly.Gesture.prototype.setStartWorkspace_=function(a){this.startWorkspace_||(this.startWorkspace_=a)};Blockly.Gesture.prototype.setStartFlyout_=function(a){this.flyout_||(this.flyout_=a)};Blockly.Gesture.prototype.isBubbleClick_=function(){return!!this.startBubble_&&!this.hasExceededDragRadius_};
-Blockly.Gesture.prototype.isBlockClick_=function(){return!!this.startBlock_&&!this.hasExceededDragRadius_&&!this.isFieldClick_()};Blockly.Gesture.prototype.isFieldClick_=function(){return(this.startField_?this.startField_.isClickable():!1)&&!this.hasExceededDragRadius_&&(!this.flyout_||!this.flyout_.autoClose)};Blockly.Gesture.prototype.isWorkspaceClick_=function(){return!this.startBlock_&&!this.startBubble_&&!this.startField_&&!this.hasExceededDragRadius_};
-Blockly.Gesture.prototype.isDragging=function(){return this.isDraggingWorkspace_||this.isDraggingBlock_||this.isDraggingBubble_};Blockly.Gesture.prototype.hasStarted=function(){return this.hasStarted_};Blockly.Gesture.prototype.getInsertionMarkers=function(){return this.blockDragger_?this.blockDragger_.getInsertionMarkers():[]};Blockly.Gesture.inProgress=function(){for(var a=Blockly.Workspace.getAll(),b=0,c;c=a[b];b++)if(c.currentGesture_)return!0;return!1};Blockly.Field=function(a,b,c){this.value_=this.DEFAULT_VALUE;this.tooltip_=this.validator_=null;this.size_=new Blockly.utils.Size(0,0);this.constants_=this.mouseDownWrapper_=this.textContent_=this.textElement_=this.borderRect_=this.fieldGroup_=this.markerSvg_=this.cursorSvg_=null;c&&this.configure_(c);this.setValue(a);b&&this.setValidator(b)};Blockly.Field.prototype.DEFAULT_VALUE=null;Blockly.Field.prototype.name=void 0;Blockly.Field.prototype.disposed=!1;
-Blockly.Field.prototype.maxDisplayLength=50;Blockly.Field.prototype.sourceBlock_=null;Blockly.Field.prototype.isDirty_=!0;Blockly.Field.prototype.visible_=!0;Blockly.Field.prototype.clickTarget_=null;Blockly.Field.NBSP="\u00a0";Blockly.Field.prototype.EDITABLE=!0;Blockly.Field.prototype.SERIALIZABLE=!1;Blockly.Field.prototype.configure_=function(a){var b=a.tooltip;"string"==typeof b&&(b=Blockly.utils.replaceMessageReferences(a.tooltip));b&&this.setTooltip(b)};
-Blockly.Field.prototype.setSourceBlock=function(a){if(this.sourceBlock_)throw Error("Field already bound to a block.");this.sourceBlock_=a};Blockly.Field.prototype.getConstants=function(){!this.constants_&&this.sourceBlock_&&this.sourceBlock_.workspace&&this.sourceBlock_.workspace.rendered&&(this.constants_=this.sourceBlock_.workspace.getRenderer().getConstants());return this.constants_};Blockly.Field.prototype.getSourceBlock=function(){return this.sourceBlock_};
-Blockly.Field.prototype.init=function(){this.fieldGroup_||(this.fieldGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{},null),this.isVisible()||(this.fieldGroup_.style.display="none"),this.sourceBlock_.getSvgRoot().appendChild(this.fieldGroup_),this.initView(),this.updateEditable(),this.setTooltip(this.tooltip_),this.bindEvents_(),this.initModel())};Blockly.Field.prototype.initView=function(){this.createBorderRect_();this.createTextElement_()};Blockly.Field.prototype.initModel=function(){};
-Blockly.Field.prototype.createBorderRect_=function(){this.borderRect_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{rx:this.getConstants().FIELD_BORDER_RECT_RADIUS,ry:this.getConstants().FIELD_BORDER_RECT_RADIUS,x:0,y:0,height:this.size_.height,width:this.size_.width,"class":"blocklyFieldRect"},this.fieldGroup_)};
-Blockly.Field.prototype.createTextElement_=function(){this.textElement_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.TEXT,{"class":"blocklyText"},this.fieldGroup_);this.getConstants().FIELD_TEXT_BASELINE_CENTER&&this.textElement_.setAttribute("dominant-baseline","central");this.textContent_=document.createTextNode("");this.textElement_.appendChild(this.textContent_)};
-Blockly.Field.prototype.bindEvents_=function(){Blockly.Tooltip.bindMouseEvents(this.getClickTarget_());this.mouseDownWrapper_=Blockly.bindEventWithChecks_(this.getClickTarget_(),"mousedown",this,this.onMouseDown_)};Blockly.Field.prototype.fromXml=function(a){this.setValue(a.textContent)};Blockly.Field.prototype.toXml=function(a){a.textContent=this.getValue();return a};
-Blockly.Field.prototype.dispose=function(){Blockly.DropDownDiv.hideIfOwner(this);Blockly.WidgetDiv.hideIfOwner(this);Blockly.Tooltip.unbindMouseEvents(this.getClickTarget_());this.mouseDownWrapper_&&Blockly.unbindEvent_(this.mouseDownWrapper_);Blockly.utils.dom.removeNode(this.fieldGroup_);this.disposed=!0};
-Blockly.Field.prototype.updateEditable=function(){var a=this.fieldGroup_;this.EDITABLE&&a&&(this.sourceBlock_.isEditable()?(Blockly.utils.dom.addClass(a,"blocklyEditableText"),Blockly.utils.dom.removeClass(a,"blocklyNonEditableText"),a.style.cursor=this.CURSOR):(Blockly.utils.dom.addClass(a,"blocklyNonEditableText"),Blockly.utils.dom.removeClass(a,"blocklyEditableText"),a.style.cursor=""))};
-Blockly.Field.prototype.isClickable=function(){return!!this.sourceBlock_&&this.sourceBlock_.isEditable()&&!!this.showEditor_&&"function"===typeof this.showEditor_};Blockly.Field.prototype.isCurrentlyEditable=function(){return this.EDITABLE&&!!this.sourceBlock_&&this.sourceBlock_.isEditable()};
-Blockly.Field.prototype.isSerializable=function(){var a=!1;this.name&&(this.SERIALIZABLE?a=!0:this.EDITABLE&&(console.warn("Detected an editable field that was not serializable. Please define SERIALIZABLE property as true on all editable custom fields. Proceeding with serialization."),a=!0));return a};Blockly.Field.prototype.isVisible=function(){return this.visible_};
-Blockly.Field.prototype.setVisible=function(a){if(this.visible_!=a){this.visible_=a;var b=this.getSvgRoot();b&&(b.style.display=a?"block":"none")}};Blockly.Field.prototype.setValidator=function(a){this.validator_=a};Blockly.Field.prototype.getValidator=function(){return this.validator_};Blockly.Field.prototype.classValidator=function(a){Blockly.utils.deprecation.warn("Field.prototype.classValidator","May 2019","December 2020","Blockly.Field.prototype.doClassValidation_");return a};
-Blockly.Field.prototype.callValidator=function(a){Blockly.utils.deprecation.warn("Field.prototype.callValidator","May 2019","December 2020");var b=this.classValidator(a);if(null===b)return null;void 0!==b&&(a=b);if(b=this.getValidator()){b=b.call(this,a);if(null===b)return null;void 0!==b&&(a=b)}return a};Blockly.Field.prototype.getSvgRoot=function(){return this.fieldGroup_};Blockly.Field.prototype.applyColour=function(){};
-Blockly.Field.prototype.render_=function(){this.textContent_&&(this.textContent_.nodeValue=this.getDisplayText_());this.updateSize_()};Blockly.Field.prototype.showEditor=function(a){this.isClickable()&&this.showEditor_(a)};Blockly.Field.prototype.updateWidth=function(){Blockly.utils.deprecation.warn("Field.prototype.updateWidth","May 2019","December 2020","Blockly.Field.prototype.updateSize_ or Blockly.utils.dom.getTextWidth");this.updateSize_()};
-Blockly.Field.prototype.updateSize_=function(a){var b=this.getConstants();a=void 0!=a?a:this.borderRect_?this.getConstants().FIELD_BORDER_RECT_X_PADDING:0;var c=2*a,d=b.FIELD_TEXT_HEIGHT,e=0;this.textElement_&&(e=Blockly.utils.dom.getFastTextWidth(this.textElement_,b.FIELD_TEXT_FONTSIZE,b.FIELD_TEXT_FONTWEIGHT,b.FIELD_TEXT_FONTFAMILY),c+=e);this.borderRect_&&(d=Math.max(d,b.FIELD_BORDER_RECT_HEIGHT));this.size_.height=d;this.size_.width=c;this.positionTextElement_(a,e);this.positionBorderRect_()};
-Blockly.Field.prototype.positionTextElement_=function(a,b){if(this.textElement_){var c=this.getConstants(),d=this.size_.height/2;this.textElement_.setAttribute("x",this.sourceBlock_.RTL?this.size_.width-b-a:a);this.textElement_.setAttribute("y",c.FIELD_TEXT_BASELINE_CENTER?d:d-c.FIELD_TEXT_HEIGHT/2+c.FIELD_TEXT_BASELINE)}};
-Blockly.Field.prototype.positionBorderRect_=function(){this.borderRect_&&(this.borderRect_.setAttribute("width",this.size_.width),this.borderRect_.setAttribute("height",this.size_.height),this.borderRect_.setAttribute("rx",this.getConstants().FIELD_BORDER_RECT_RADIUS),this.borderRect_.setAttribute("ry",this.getConstants().FIELD_BORDER_RECT_RADIUS))};
-Blockly.Field.prototype.getSize=function(){if(!this.isVisible())return new Blockly.utils.Size(0,0);this.isDirty_?(this.render_(),this.isDirty_=!1):this.visible_&&0==this.size_.width&&(console.warn("Deprecated use of setting size_.width to 0 to rerender a field. Set field.isDirty_ to true instead."),this.render_());return this.size_};
-Blockly.Field.prototype.getScaledBBox=function(){if(this.borderRect_)a=this.borderRect_.getBoundingClientRect(),c=Blockly.utils.style.getPageOffset(this.borderRect_),d=a.width,a=a.height;else{var a=this.sourceBlock_.getHeightWidth(),b=this.sourceBlock_.workspace.scale,c=this.getAbsoluteXY_(),d=a.width*b;a=a.height*b;Blockly.utils.userAgent.GECKO?(c.x+=1.5*b,c.y+=1.5*b):Blockly.utils.userAgent.EDGE||Blockly.utils.userAgent.IE||(c.x-=.5*b,c.y-=.5*b);d+=1*b;a+=1*b}return new Blockly.utils.Rect(c.y,c.y+
-a,c.x,c.x+d)};Blockly.Field.prototype.getDisplayText_=function(){var a=this.getText();if(!a)return Blockly.Field.NBSP;a.length>this.maxDisplayLength&&(a=a.substring(0,this.maxDisplayLength-2)+"\u2026");a=a.replace(/\s/g,Blockly.Field.NBSP);this.sourceBlock_&&this.sourceBlock_.RTL&&(a+="\u200f");return a};Blockly.Field.prototype.getText=function(){if(this.getText_){var a=this.getText_.call(this);if(null!==a)return String(a)}return String(this.getValue())};
-Blockly.Field.prototype.setText=function(a){Blockly.utils.deprecation.warn("Field.prototype.setText","May 2019","December 2020","Blockly.Field.prototype.setValue");throw Error("setText method is deprecated");};Blockly.Field.prototype.markDirty=function(){this.isDirty_=!0;this.constants_=null};Blockly.Field.prototype.forceRerender=function(){this.isDirty_=!0;this.sourceBlock_&&this.sourceBlock_.rendered&&(this.sourceBlock_.render(),this.sourceBlock_.bumpNeighbours(),this.updateMarkers_())};
-Blockly.Field.prototype.setValue=function(a){if(null!==a){var b=this.doClassValidation_(a);a=this.processValidation_(a,b);if(!(a instanceof Error)){if(b=this.getValidator())if(b=b.call(this,a),a=this.processValidation_(a,b),a instanceof Error)return;b=this.sourceBlock_;if(!b||!b.disposed){var c=this.getValue();c!==a&&(b&&Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.BlockChange(b,"field",this.name||null,c,a)),this.doValueUpdate_(a),this.isDirty_&&this.forceRerender())}}}};
-Blockly.Field.prototype.processValidation_=function(a,b){if(null===b)return this.doValueInvalid_(a),this.isDirty_&&this.forceRerender(),Error();void 0!==b&&(a=b);return a};Blockly.Field.prototype.getValue=function(){return this.value_};Blockly.Field.prototype.doClassValidation_=function(a){return null===a||void 0===a?null:a=this.classValidator(a)};Blockly.Field.prototype.doValueUpdate_=function(a){this.value_=a;this.isDirty_=!0};Blockly.Field.prototype.doValueInvalid_=function(a){};
-Blockly.Field.prototype.onMouseDown_=function(a){this.sourceBlock_&&this.sourceBlock_.workspace&&(a=this.sourceBlock_.workspace.getGesture(a))&&a.setStartField(this)};Blockly.Field.prototype.setTooltip=function(a){a||""===a||(a=this.sourceBlock_);var b=this.getClickTarget_();b?b.tooltip=a:this.tooltip_=a};Blockly.Field.prototype.getTooltip=function(){var a=this.getClickTarget_();return a?Blockly.Tooltip.getTooltipOfObject(a):Blockly.Tooltip.getTooltipOfObject({tooltip:this.tooltip_})};
-Blockly.Field.prototype.getClickTarget_=function(){return this.clickTarget_||this.getSvgRoot()};Blockly.Field.prototype.getAbsoluteXY_=function(){return Blockly.utils.style.getPageOffset(this.getClickTarget_())};Blockly.Field.prototype.referencesVariables=function(){return!1};Blockly.Field.prototype.getParentInput=function(){for(var a=null,b=this.sourceBlock_,c=b.inputList,d=0;d<b.inputList.length;d++)for(var e=c[d],f=e.fieldRow,g=0;g<f.length;g++)if(f[g]===this){a=e;break}return a};
-Blockly.Field.prototype.getFlipRtl=function(){return!1};Blockly.Field.prototype.isTabNavigable=function(){return!1};Blockly.Field.prototype.onBlocklyAction=function(a){return!1};Blockly.Field.prototype.setCursorSvg=function(a){a?(this.fieldGroup_.appendChild(a),this.cursorSvg_=a):this.cursorSvg_=null};Blockly.Field.prototype.setMarkerSvg=function(a){a?(this.fieldGroup_.appendChild(a),this.markerSvg_=a):this.markerSvg_=null};
-Blockly.Field.prototype.updateMarkers_=function(){var a=this.sourceBlock_.workspace;a.keyboardAccessibilityMode&&this.cursorSvg_&&a.getCursor().draw();a.keyboardAccessibilityMode&&this.markerSvg_&&a.getMarker(Blockly.navigation.MARKER_NAME).draw()};Blockly.FieldLabel=function(a,b,c){this.class_=null;Blockly.FieldLabel.superClass_.constructor.call(this,a,null,c);c||(this.class_=b||null)};Blockly.utils.object.inherits(Blockly.FieldLabel,Blockly.Field);Blockly.FieldLabel.prototype.DEFAULT_VALUE="";Blockly.FieldLabel.fromJson=function(a){var b=Blockly.utils.replaceMessageReferences(a.text);return new Blockly.FieldLabel(b,void 0,a)};Blockly.FieldLabel.prototype.EDITABLE=!1;
-Blockly.FieldLabel.prototype.configure_=function(a){Blockly.FieldLabel.superClass_.configure_.call(this,a);this.class_=a["class"]};Blockly.FieldLabel.prototype.initView=function(){this.createTextElement_();this.class_&&Blockly.utils.dom.addClass(this.textElement_,this.class_)};Blockly.FieldLabel.prototype.doClassValidation_=function(a){return null===a||void 0===a?null:String(a)};
-Blockly.FieldLabel.prototype.setClass=function(a){this.textElement_&&(this.class_&&Blockly.utils.dom.removeClass(this.textElement_,this.class_),a&&Blockly.utils.dom.addClass(this.textElement_,a));this.class_=a};Blockly.fieldRegistry.register("field_label",Blockly.FieldLabel);Blockly.Input=function(a,b,c,d){if(a!=Blockly.DUMMY_INPUT&&!b)throw Error("Value inputs and statement inputs must have non-empty name.");this.type=a;this.name=b;this.sourceBlock_=c;this.connection=d;this.fieldRow=[]};Blockly.Input.prototype.align=Blockly.ALIGN_LEFT;Blockly.Input.prototype.visible_=!0;Blockly.Input.prototype.getSourceBlock=function(){return this.sourceBlock_};Blockly.Input.prototype.appendField=function(a,b){this.insertFieldAt(this.fieldRow.length,a,b);return this};
-Blockly.Input.prototype.insertFieldAt=function(a,b,c){if(0>a||a>this.fieldRow.length)throw Error("index "+a+" out of bounds.");if(!(b||""==b&&c))return a;"string"==typeof b&&(b=new Blockly.FieldLabel(b));b.setSourceBlock(this.sourceBlock_);this.sourceBlock_.rendered&&(b.init(),b.applyColour());b.name=c;b.setVisible(this.isVisible());c=b;c.prefixField&&(a=this.insertFieldAt(a,c.prefixField));this.fieldRow.splice(a,0,b);++a;c.suffixField&&(a=this.insertFieldAt(a,c.suffixField));this.sourceBlock_.rendered&&
-(this.sourceBlock_=this.sourceBlock_,this.sourceBlock_.render(),this.sourceBlock_.bumpNeighbours());return a};Blockly.Input.prototype.removeField=function(a,b){for(var c=0,d;d=this.fieldRow[c];c++)if(d.name===a)return d.dispose(),this.fieldRow.splice(c,1),this.sourceBlock_.rendered&&(this.sourceBlock_=this.sourceBlock_,this.sourceBlock_.render(),this.sourceBlock_.bumpNeighbours()),!0;if(b)return!1;throw Error('Field "'+a+'" not found.');};Blockly.Input.prototype.isVisible=function(){return this.visible_};
-Blockly.Input.prototype.setVisible=function(a){var b=[];if(this.visible_==a)return b;this.visible_=a;for(var c=0,d;d=this.fieldRow[c];c++)d.setVisible(a);this.connection&&(this.connection=this.connection,a?b=this.connection.startTrackingAll():this.connection.stopTrackingAll(),c=this.connection.targetBlock())&&(c.getSvgRoot().style.display=a?"block":"none");return b};Blockly.Input.prototype.markDirty=function(){for(var a=0,b;b=this.fieldRow[a];a++)b.markDirty()};
-Blockly.Input.prototype.setCheck=function(a){if(!this.connection)throw Error("This input does not have a connection.");this.connection.setCheck(a);return this};Blockly.Input.prototype.setAlign=function(a){this.align=a;this.sourceBlock_.rendered&&(this.sourceBlock_=this.sourceBlock_,this.sourceBlock_.render());return this};Blockly.Input.prototype.setShadowDom=function(a){if(!this.connection)throw Error("This input does not have a connection.");this.connection.setShadowDom(a);return this};
-Blockly.Input.prototype.getShadowDom=function(){if(!this.connection)throw Error("This input does not have a connection.");return this.connection.getShadowDom()};Blockly.Input.prototype.init=function(){if(this.sourceBlock_.workspace.rendered)for(var a=0;a<this.fieldRow.length;a++)this.fieldRow[a].init()};Blockly.Input.prototype.dispose=function(){for(var a=0,b;b=this.fieldRow[a];a++)b.dispose();this.connection&&this.connection.dispose();this.sourceBlock_=null};Blockly.Block=function(a,b,c){if(Blockly.Generator&&"undefined"!=typeof Blockly.Generator.prototype[b])throw Error('Block prototypeName "'+b+'" conflicts with Blockly.Generator members.');this.id=c&&!a.getBlockById(c)?c:Blockly.utils.genUid();a.setBlockById(this.id,this);this.previousConnection=this.nextConnection=this.outputConnection=null;this.inputList=[];this.inputsInline=void 0;this.disabled=!1;this.tooltip="";this.contextMenu=!0;this.parentBlock_=null;this.childBlocks_=[];this.editable_=this.movable_=
-this.deletable_=!0;this.collapsed_=this.isShadow_=!1;this.comment=this.outputShape_=null;this.commentModel={text:null,pinned:!1,size:new Blockly.utils.Size(160,80)};this.xy_=new Blockly.utils.Coordinate(0,0);this.workspace=a;this.isInFlyout=a.isFlyout;this.isInMutator=a.isMutator;this.RTL=a.RTL;this.isInsertionMarker_=!1;this.hat=void 0;this.rendered=null;this.statementInputCount=0;if(b){this.type=b;c=Blockly.Blocks[b];if(!c||"object"!=typeof c)throw TypeError("Unknown block type: "+b);Blockly.utils.object.mixin(this,
-c)}a.addTopBlock(this);a.addTypedBlock(this);(a=Blockly.Events.getGroup())||Blockly.Events.setGroup(!0);b=Blockly.Events.recordUndo;try{"function"==typeof this.init&&(Blockly.Events.recordUndo=!1,this.init(),Blockly.Events.recordUndo=b),Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.BlockCreate(this))}finally{a||Blockly.Events.setGroup(!1),Blockly.Events.recordUndo=b}this.inputsInlineDefault=this.inputsInline;"function"==typeof this.onchange&&this.setOnChange(this.onchange)};
-Blockly.Block.COLLAPSED_INPUT_NAME="_TEMP_COLLAPSED_INPUT";Blockly.Block.COLLAPSED_FIELD_NAME="_TEMP_COLLAPSED_FIELD";Blockly.Block.prototype.data=null;Blockly.Block.prototype.disposed=!1;Blockly.Block.prototype.hue_=null;Blockly.Block.prototype.colour_="#000000";Blockly.Block.prototype.styleName_=null;
-Blockly.Block.prototype.dispose=function(a){if(this.workspace){this.onchangeWrapper_&&this.workspace.removeChangeListener(this.onchangeWrapper_);this.unplug(a);Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.BlockDelete(this));Blockly.Events.disable();try{this.workspace&&(this.workspace.removeTopBlock(this),this.workspace.removeTypedBlock(this),this.workspace.removeBlockById(this.id),this.workspace=null);Blockly.selected==this&&(Blockly.selected=null);for(var b=this.childBlocks_.length-
-1;0<=b;b--)this.childBlocks_[b].dispose(!1);b=0;for(var c;c=this.inputList[b];b++)c.dispose();this.inputList.length=0;var d=this.getConnections_(!0);b=0;for(var e;e=d[b];b++)e.dispose()}finally{Blockly.Events.enable(),this.disposed=!0}}};Blockly.Block.prototype.initModel=function(){for(var a=0,b;b=this.inputList[a];a++)for(var c=0,d;d=b.fieldRow[c];c++)d.initModel&&d.initModel()};Blockly.Block.prototype.unplug=function(a){this.outputConnection?this.unplugFromRow_(a):this.previousConnection&&this.unplugFromStack_(a)};
-Blockly.Block.prototype.unplugFromRow_=function(a){var b=null;this.outputConnection.isConnected()&&(b=this.outputConnection.targetConnection,this.outputConnection.disconnect());if(b&&a&&(a=this.getOnlyValueConnection_())&&a.isConnected()&&!a.targetBlock().isShadow())if(a=a.targetConnection,a.disconnect(),this.workspace.connectionChecker.canConnect(a,b,!1))b.connect(a);else a.onFailedConnect(b)};
-Blockly.Block.prototype.getOnlyValueConnection_=function(){for(var a=null,b=0;b<this.inputList.length;b++){var c=this.inputList[b].connection;if(c&&c.type==Blockly.INPUT_VALUE&&c.targetConnection){if(a)return null;a=c}}return a};
-Blockly.Block.prototype.unplugFromStack_=function(a){var b=null;this.previousConnection.isConnected()&&(b=this.previousConnection.targetConnection,this.previousConnection.disconnect());var c=this.getNextBlock();a&&c&&!c.isShadow()&&(a=this.nextConnection.targetConnection,a.disconnect(),b&&this.workspace.connectionChecker.canConnect(b,a,!1)&&b.connect(a))};
-Blockly.Block.prototype.getConnections_=function(a){a=[];this.outputConnection&&a.push(this.outputConnection);this.previousConnection&&a.push(this.previousConnection);this.nextConnection&&a.push(this.nextConnection);for(var b=0,c;c=this.inputList[b];b++)c.connection&&a.push(c.connection);return a};Blockly.Block.prototype.lastConnectionInStack=function(){for(var a=this.nextConnection;a;){var b=a.targetBlock();if(!b)return a;a=b.nextConnection}return null};Blockly.Block.prototype.bumpNeighbours=function(){console.warn("Not expected to reach Block.bumpNeighbours function. BlockSvg.bumpNeighbours was expected to be called instead.")};
-Blockly.Block.prototype.getParent=function(){return this.parentBlock_};Blockly.Block.prototype.getInputWithBlock=function(a){for(var b=0,c;c=this.inputList[b];b++)if(c.connection&&c.connection.targetBlock()==a)return c;return null};Blockly.Block.prototype.getSurroundParent=function(){var a=this;do{var b=a;a=a.getParent();if(!a)return null}while(a.getNextBlock()==b);return a};Blockly.Block.prototype.getNextBlock=function(){return this.nextConnection&&this.nextConnection.targetBlock()};
-Blockly.Block.prototype.getPreviousBlock=function(){return this.previousConnection&&this.previousConnection.targetBlock()};Blockly.Block.prototype.getFirstStatementConnection=function(){for(var a=0,b;b=this.inputList[a];a++)if(b.connection&&b.connection.type==Blockly.NEXT_STATEMENT)return b.connection;return null};Blockly.Block.prototype.getRootBlock=function(){var a=this;do{var b=a;a=b.parentBlock_}while(a);return b};
-Blockly.Block.prototype.getTopStackBlock=function(){var a=this;do var b=a.getPreviousBlock();while(b&&b.getNextBlock()==a&&(a=b));return a};Blockly.Block.prototype.getChildren=function(a){if(!a)return this.childBlocks_;a=[];for(var b=0,c;c=this.inputList[b];b++)c.connection&&(c=c.connection.targetBlock())&&a.push(c);(b=this.getNextBlock())&&a.push(b);return a};
-Blockly.Block.prototype.setParent=function(a){if(a!=this.parentBlock_){if(this.parentBlock_){Blockly.utils.arrayRemove(this.parentBlock_.childBlocks_,this);if(this.previousConnection&&this.previousConnection.isConnected())throw Error("Still connected to previous block.");if(this.outputConnection&&this.outputConnection.isConnected())throw Error("Still connected to parent block.");this.parentBlock_=null}else this.workspace.removeTopBlock(this);(this.parentBlock_=a)?a.childBlocks_.push(this):this.workspace.addTopBlock(this)}};
-Blockly.Block.prototype.getDescendants=function(a){for(var b=[this],c=this.getChildren(a),d,e=0;d=c[e];e++)b.push.apply(b,d.getDescendants(a));return b};Blockly.Block.prototype.isDeletable=function(){return this.deletable_&&!this.isShadow_&&!(this.workspace&&this.workspace.options.readOnly)};Blockly.Block.prototype.setDeletable=function(a){this.deletable_=a};Blockly.Block.prototype.isMovable=function(){return this.movable_&&!this.isShadow_&&!(this.workspace&&this.workspace.options.readOnly)};
-Blockly.Block.prototype.setMovable=function(a){this.movable_=a};Blockly.Block.prototype.isDuplicatable=function(){return this.workspace.hasBlockLimits()?this.workspace.isCapacityAvailable(Blockly.utils.getBlockTypeCounts(this,!0)):!0};Blockly.Block.prototype.isShadow=function(){return this.isShadow_};Blockly.Block.prototype.setShadow=function(a){this.isShadow_=a};Blockly.Block.prototype.isInsertionMarker=function(){return this.isInsertionMarker_};
-Blockly.Block.prototype.setInsertionMarker=function(a){this.isInsertionMarker_=a};Blockly.Block.prototype.isEditable=function(){return this.editable_&&!(this.workspace&&this.workspace.options.readOnly)};Blockly.Block.prototype.setEditable=function(a){this.editable_=a;a=0;for(var b;b=this.inputList[a];a++)for(var c=0,d;d=b.fieldRow[c];c++)d.updateEditable()};Blockly.Block.prototype.isDisposed=function(){return this.disposed};
-Blockly.Block.prototype.getMatchingConnection=function(a,b){var c=this.getConnections_(!0);a=a.getConnections_(!0);if(c.length!=a.length)throw Error("Connection lists did not match in length.");for(var d=0;d<a.length;d++)if(a[d]==b)return c[d];return null};Blockly.Block.prototype.setHelpUrl=function(a){this.helpUrl=a};Blockly.Block.prototype.setTooltip=function(a){this.tooltip=a};Blockly.Block.prototype.getTooltip=function(){return Blockly.Tooltip.getTooltipOfObject(this)};
-Blockly.Block.prototype.getColour=function(){return this.colour_};Blockly.Block.prototype.getStyleName=function(){return this.styleName_};Blockly.Block.prototype.getHue=function(){return this.hue_};Blockly.Block.prototype.setColour=function(a){a=Blockly.utils.parseBlockColour(a);this.hue_=a.hue;this.colour_=a.hex};Blockly.Block.prototype.setStyle=function(a){this.styleName_=a};
-Blockly.Block.prototype.setOnChange=function(a){if(a&&"function"!=typeof a)throw Error("onchange must be a function.");this.onchangeWrapper_&&this.workspace.removeChangeListener(this.onchangeWrapper_);if(this.onchange=a)this.onchangeWrapper_=a.bind(this),this.workspace.addChangeListener(this.onchangeWrapper_)};Blockly.Block.prototype.getField=function(a){for(var b=0,c;c=this.inputList[b];b++)for(var d=0,e;e=c.fieldRow[d];d++)if(e.name==a)return e;return null};
-Blockly.Block.prototype.getVars=function(){for(var a=[],b=0,c;c=this.inputList[b];b++)for(var d=0,e;e=c.fieldRow[d];d++)e.referencesVariables()&&a.push(e.getValue());return a};Blockly.Block.prototype.getVarModels=function(){for(var a=[],b=0,c;c=this.inputList[b];b++)for(var d=0,e;e=c.fieldRow[d];d++)e.referencesVariables()&&(e=this.workspace.getVariableById(e.getValue()))&&a.push(e);return a};
-Blockly.Block.prototype.updateVarName=function(a){for(var b=0,c;c=this.inputList[b];b++)for(var d=0,e;e=c.fieldRow[d];d++)e.referencesVariables()&&a.getId()==e.getValue()&&e.refreshVariableName()};Blockly.Block.prototype.renameVarById=function(a,b){for(var c=0,d;d=this.inputList[c];c++)for(var e=0,f;f=d.fieldRow[e];e++)f.referencesVariables()&&a==f.getValue()&&f.setValue(b)};Blockly.Block.prototype.getFieldValue=function(a){return(a=this.getField(a))?a.getValue():null};
-Blockly.Block.prototype.setFieldValue=function(a,b){var c=this.getField(b);if(!c)throw Error('Field "'+b+'" not found.');c.setValue(a)};
-Blockly.Block.prototype.setPreviousStatement=function(a,b){if(a){void 0===b&&(b=null);if(!this.previousConnection){if(this.outputConnection)throw Error("Remove output connection prior to adding previous connection.");this.previousConnection=this.makeConnection_(Blockly.PREVIOUS_STATEMENT)}this.previousConnection.setCheck(b)}else if(this.previousConnection){if(this.previousConnection.isConnected())throw Error("Must disconnect previous statement before removing connection.");this.previousConnection.dispose();
-this.previousConnection=null}};Blockly.Block.prototype.setNextStatement=function(a,b){if(a)void 0===b&&(b=null),this.nextConnection||(this.nextConnection=this.makeConnection_(Blockly.NEXT_STATEMENT)),this.nextConnection.setCheck(b);else if(this.nextConnection){if(this.nextConnection.isConnected())throw Error("Must disconnect next statement before removing connection.");this.nextConnection.dispose();this.nextConnection=null}};
-Blockly.Block.prototype.setOutput=function(a,b){if(a){void 0===b&&(b=null);if(!this.outputConnection){if(this.previousConnection)throw Error("Remove previous connection prior to adding output connection.");this.outputConnection=this.makeConnection_(Blockly.OUTPUT_VALUE)}this.outputConnection.setCheck(b)}else if(this.outputConnection){if(this.outputConnection.isConnected())throw Error("Must disconnect output value before removing connection.");this.outputConnection.dispose();this.outputConnection=
-null}};Blockly.Block.prototype.setInputsInline=function(a){this.inputsInline!=a&&(Blockly.Events.fire(new Blockly.Events.BlockChange(this,"inline",null,this.inputsInline,a)),this.inputsInline=a)};
-Blockly.Block.prototype.getInputsInline=function(){if(void 0!=this.inputsInline)return this.inputsInline;for(var a=1;a<this.inputList.length;a++)if(this.inputList[a-1].type==Blockly.DUMMY_INPUT&&this.inputList[a].type==Blockly.DUMMY_INPUT)return!1;for(a=1;a<this.inputList.length;a++)if(this.inputList[a-1].type==Blockly.INPUT_VALUE&&this.inputList[a].type==Blockly.DUMMY_INPUT)return!0;return!1};Blockly.Block.prototype.setOutputShape=function(a){this.outputShape_=a};
-Blockly.Block.prototype.getOutputShape=function(){return this.outputShape_};Blockly.Block.prototype.setDisabled=function(a){Blockly.utils.deprecation.warn("Block.prototype.setDisabled","May 2019","May 2020","Block.prototype.setEnabled");this.setEnabled(!a)};Blockly.Block.prototype.isEnabled=function(){return!this.disabled};Blockly.Block.prototype.setEnabled=function(a){this.isEnabled()!=a&&(Blockly.Events.fire(new Blockly.Events.BlockChange(this,"disabled",null,this.disabled,!a)),this.disabled=!a)};
-Blockly.Block.prototype.getInheritedDisabled=function(){for(var a=this.getSurroundParent();a;){if(a.disabled)return!0;a=a.getSurroundParent()}return!1};Blockly.Block.prototype.isCollapsed=function(){return this.collapsed_};Blockly.Block.prototype.setCollapsed=function(a){this.collapsed_!=a&&(Blockly.Events.fire(new Blockly.Events.BlockChange(this,"collapsed",null,this.collapsed_,a)),this.collapsed_=a)};
-Blockly.Block.prototype.toString=function(a,b){function c(l){var m=l.getCheck();!m&&l.targetConnection&&(m=l.targetConnection.getCheck());return!!m&&(-1!=m.indexOf("Boolean")||-1!=m.indexOf("Number"))}function d(){g&&g.getType()==h.getType()&&g.getLocation()==h.getLocation()&&(g=null)}var e=[];b=b||"?";var f=Blockly.ASTNode.NAVIGATE_ALL_FIELDS;Blockly.ASTNode.NAVIGATE_ALL_FIELDS=!0;for(var g=Blockly.ASTNode.createBlockNode(this),h=g;g;){switch(g.getType()){case Blockly.ASTNode.types.INPUT:var k=g.getLocation();
-g.in()?c(k)&&e.push("("):e.push(b);break;case Blockly.ASTNode.types.FIELD:k=g.getLocation(),k.name!=Blockly.Block.COLLAPSED_FIELD_NAME&&e.push(k.getText())}k=g;g=k.in()||k.next();if(!g){g=k.out();for(d();g&&!g.next();)g=g.out(),d(),g&&g.getType()==Blockly.ASTNode.types.INPUT&&c(g.getLocation())&&e.push(")");g&&(g=g.next())}}Blockly.ASTNode.NAVIGATE_ALL_FIELDS=f;b=2;for(f=e.length;b<f;b++)"("==e[b-2]&&")"==e[b]&&(e[b-2]=e[b-1],e.splice(b-1,2),f-=2);e=e.join(" ").replace(/(\() | (\))/gmi,"$1$2").trim()||
-"???";a&&e.length>a&&(e=e.substring(0,a-3)+"...");return e};Blockly.Block.prototype.appendValueInput=function(a){return this.appendInput_(Blockly.INPUT_VALUE,a)};Blockly.Block.prototype.appendStatementInput=function(a){return this.appendInput_(Blockly.NEXT_STATEMENT,a)};Blockly.Block.prototype.appendDummyInput=function(a){return this.appendInput_(Blockly.DUMMY_INPUT,a||"")};
-Blockly.Block.prototype.jsonInit=function(a){var b=a.type?'Block "'+a.type+'": ':"";if(a.output&&a.previousStatement)throw Error(b+"Must not have both an output and a previousStatement.");a.style&&a.style.hat&&(this.hat=a.style.hat,a.style=null);if(a.style&&a.colour)throw Error(b+"Must not have both a colour and a style.");a.style?this.jsonInitStyle_(a,b):this.jsonInitColour_(a,b);for(var c=0;void 0!==a["message"+c];)this.interpolate_(a["message"+c],a["args"+c]||[],a["lastDummyAlign"+c],b),c++;void 0!==
-a.inputsInline&&this.setInputsInline(a.inputsInline);void 0!==a.output&&this.setOutput(!0,a.output);void 0!==a.outputShape&&this.setOutputShape(a.outputShape);void 0!==a.previousStatement&&this.setPreviousStatement(!0,a.previousStatement);void 0!==a.nextStatement&&this.setNextStatement(!0,a.nextStatement);void 0!==a.tooltip&&(c=a.tooltip,c=Blockly.utils.replaceMessageReferences(c),this.setTooltip(c));void 0!==a.enableContextMenu&&(c=a.enableContextMenu,this.contextMenu=!!c);void 0!==a.helpUrl&&(c=
-a.helpUrl,c=Blockly.utils.replaceMessageReferences(c),this.setHelpUrl(c));"string"==typeof a.extensions&&(console.warn(b+"JSON attribute 'extensions' should be an array of strings. Found raw string in JSON for '"+a.type+"' block."),a.extensions=[a.extensions]);void 0!==a.mutator&&Blockly.Extensions.apply(a.mutator,this,!0);if(Array.isArray(a.extensions))for(a=a.extensions,b=0;b<a.length;++b)Blockly.Extensions.apply(a[b],this,!1)};
-Blockly.Block.prototype.jsonInitColour_=function(a,b){if("colour"in a)if(void 0===a.colour)console.warn(b+"Undefined colour value.");else{a=a.colour;try{this.setColour(a)}catch(c){console.warn(b+"Illegal colour value: ",a)}}};Blockly.Block.prototype.jsonInitStyle_=function(a,b){a=a.style;try{this.setStyle(a)}catch(c){console.warn(b+"Style does not exist: ",a)}};
-Blockly.Block.prototype.mixin=function(a,b){if(void 0!==b&&"boolean"!=typeof b)throw Error("opt_disableCheck must be a boolean if provided");if(!b){b=[];for(var c in a)void 0!==this[c]&&b.push(c);if(b.length)throw Error("Mixin will overwrite block members: "+JSON.stringify(b));}Blockly.utils.object.mixin(this,a)};
-Blockly.Block.prototype.interpolate_=function(a,b,c,d){var e=Blockly.utils.tokenizeInterpolation(a),f=[],g=0;a=[];for(var h=0;h<e.length;h++){var k=e[h];if("number"==typeof k){if(0>=k||k>b.length)throw Error('Block "'+this.type+'": Message index %'+k+" out of range.");if(f[k])throw Error('Block "'+this.type+'": Message index %'+k+" duplicated.");f[k]=!0;g++;a.push(b[k-1])}else(k=k.trim())&&a.push(k)}if(g!=b.length)throw Error('Block "'+this.type+'": Message does not reference all '+b.length+" arg(s).");
-a.length&&("string"==typeof a[a.length-1]||Blockly.utils.string.startsWith(a[a.length-1].type,"field_"))&&(h={type:"input_dummy"},c&&(h.align=c),a.push(h));c={LEFT:Blockly.ALIGN_LEFT,RIGHT:Blockly.ALIGN_RIGHT,CENTRE:Blockly.ALIGN_CENTRE,CENTER:Blockly.ALIGN_CENTRE};b=[];for(h=0;h<a.length;h++)if(f=a[h],"string"==typeof f)b.push([f,void 0]);else{e=g=null;do if(k=!1,"string"==typeof f)g=new Blockly.FieldLabel(f);else switch(f.type){case "input_value":e=this.appendValueInput(f.name);break;case "input_statement":e=
-this.appendStatementInput(f.name);break;case "input_dummy":e=this.appendDummyInput(f.name);break;default:g=Blockly.fieldRegistry.fromJson(f),!g&&f.alt&&(f=f.alt,k=!0)}while(k);if(g)b.push([g,f.name]);else if(e){f.check&&e.setCheck(f.check);f.align&&(g=c[f.align.toUpperCase()],void 0===g?console.warn(d+"Illegal align value: ",f.align):e.setAlign(g));for(f=0;f<b.length;f++)e.appendField(b[f][0],b[f][1]);b.length=0}}};
-Blockly.Block.prototype.appendInput_=function(a,b){var c=null;if(a==Blockly.INPUT_VALUE||a==Blockly.NEXT_STATEMENT)c=this.makeConnection_(a);a==Blockly.NEXT_STATEMENT&&this.statementInputCount++;a=new Blockly.Input(a,b,this,c);this.inputList.push(a);return a};
-Blockly.Block.prototype.moveInputBefore=function(a,b){if(a!=b){for(var c=-1,d=b?-1:this.inputList.length,e=0,f;f=this.inputList[e];e++)if(f.name==a){if(c=e,-1!=d)break}else if(b&&f.name==b&&(d=e,-1!=c))break;if(-1==c)throw Error('Named input "'+a+'" not found.');if(-1==d)throw Error('Reference input "'+b+'" not found.');this.moveNumberedInputBefore(c,d)}};
-Blockly.Block.prototype.moveNumberedInputBefore=function(a,b){if(a==b)throw Error("Can't move input to itself.");if(a>=this.inputList.length)throw RangeError("Input index "+a+" out of bounds.");if(b>this.inputList.length)throw RangeError("Reference input "+b+" out of bounds.");var c=this.inputList[a];this.inputList.splice(a,1);a<b&&b--;this.inputList.splice(b,0,c)};
-Blockly.Block.prototype.removeInput=function(a,b){for(var c=0,d;d=this.inputList[c];c++)if(d.name==a)return d.type==Blockly.NEXT_STATEMENT&&this.statementInputCount--,d.dispose(),this.inputList.splice(c,1),!0;if(b)return!1;throw Error("Input not found: "+a);};Blockly.Block.prototype.getInput=function(a){for(var b=0,c;c=this.inputList[b];b++)if(c.name==a)return c;return null};Blockly.Block.prototype.getInputTargetBlock=function(a){return(a=this.getInput(a))&&a.connection&&a.connection.targetBlock()};
-Blockly.Block.prototype.getCommentText=function(){return this.commentModel.text};Blockly.Block.prototype.setCommentText=function(a){this.commentModel.text!=a&&(Blockly.Events.fire(new Blockly.Events.BlockChange(this,"comment",null,this.commentModel.text,a)),this.comment=this.commentModel.text=a)};Blockly.Block.prototype.setWarningText=function(a,b){};Blockly.Block.prototype.setMutator=function(a){};Blockly.Block.prototype.getRelativeToSurfaceXY=function(){return this.xy_};
-Blockly.Block.prototype.moveBy=function(a,b){if(this.parentBlock_)throw Error("Block has parent.");var c=new Blockly.Events.BlockMove(this);this.xy_.translate(a,b);c.recordNew();Blockly.Events.fire(c)};Blockly.Block.prototype.makeConnection_=function(a){return new Blockly.Connection(this,a)};
-Blockly.Block.prototype.allInputsFilled=function(a){void 0===a&&(a=!0);if(!a&&this.isShadow())return!1;for(var b=0,c;c=this.inputList[b];b++)if(c.connection&&(c=c.connection.targetBlock(),!c||!c.allInputsFilled(a)))return!1;return(b=this.getNextBlock())?b.allInputsFilled(a):!0};Blockly.Block.prototype.toDevString=function(){var a=this.type?'"'+this.type+'" block':"Block";this.id&&(a+=' (id="'+this.id+'")');return a};Blockly.blockRendering={};Blockly.blockRendering.IPathObject=function(a,b){};Blockly.utils.aria={};Blockly.utils.aria.ARIA_PREFIX_="aria-";Blockly.utils.aria.ROLE_ATTRIBUTE_="role";Blockly.utils.aria.Role={GRID:"grid",GRIDCELL:"gridcell",GROUP:"group",LISTBOX:"listbox",MENU:"menu",MENUITEM:"menuitem",MENUITEMCHECKBOX:"menuitemcheckbox",OPTION:"option",PRESENTATION:"presentation",ROW:"row",TREE:"tree",TREEITEM:"treeitem"};
-Blockly.utils.aria.State={ACTIVEDESCENDANT:"activedescendant",COLCOUNT:"colcount",DISABLED:"disabled",EXPANDED:"expanded",INVALID:"invalid",LABEL:"label",LABELLEDBY:"labelledby",LEVEL:"level",ORIENTATION:"orientation",POSINSET:"posinset",ROWCOUNT:"rowcount",SELECTED:"selected",SETSIZE:"setsize",VALUEMAX:"valuemax",VALUEMIN:"valuemin"};Blockly.utils.aria.setRole=function(a,b){a.setAttribute(Blockly.utils.aria.ROLE_ATTRIBUTE_,b)};
-Blockly.utils.aria.setState=function(a,b,c){Array.isArray(c)&&(c=c.join(" "));a.setAttribute(Blockly.utils.aria.ARIA_PREFIX_+b,c)};Blockly.Menu=function(){this.menuItems_=[];this.roleName_=this.element_=this.onKeyDownHandler_=this.mouseLeaveHandler_=this.mouseEnterHandler_=this.clickHandler_=this.mouseOverHandler_=this.highlightedItem_=this.openingCoords=null};Blockly.Menu.prototype.addChild=function(a){this.menuItems_.push(a)};
-Blockly.Menu.prototype.render=function(a){var b=document.createElement("div");b.className="blocklyMenu goog-menu blocklyNonSelectable";b.tabIndex=0;this.roleName_&&Blockly.utils.aria.setRole(b,this.roleName_);this.element_=b;for(var c=0,d;d=this.menuItems_[c];c++)b.appendChild(d.createDom());this.mouseOverHandler_=Blockly.bindEventWithChecks_(b,"mouseover",this,this.handleMouseOver_,!0);this.clickHandler_=Blockly.bindEventWithChecks_(b,"click",this,this.handleClick_,!0);this.mouseEnterHandler_=Blockly.bindEventWithChecks_(b,
-"mouseenter",this,this.handleMouseEnter_,!0);this.mouseLeaveHandler_=Blockly.bindEventWithChecks_(b,"mouseleave",this,this.handleMouseLeave_,!0);this.onKeyDownHandler_=Blockly.bindEventWithChecks_(b,"keydown",this,this.handleKeyEvent_);a.appendChild(b)};Blockly.Menu.prototype.getElement=function(){return this.element_};Blockly.Menu.prototype.focus=function(){var a=this.getElement();a&&(a.focus({preventScroll:!0}),Blockly.utils.dom.addClass(a,"blocklyFocused"))};
-Blockly.Menu.prototype.blur_=function(){var a=this.getElement();a&&(a.blur(),Blockly.utils.dom.removeClass(a,"blocklyFocused"))};Blockly.Menu.prototype.setRole=function(a){this.roleName_=a};
-Blockly.Menu.prototype.dispose=function(){this.mouseOverHandler_&&(Blockly.unbindEvent_(this.mouseOverHandler_),this.mouseOverHandler_=null);this.clickHandler_&&(Blockly.unbindEvent_(this.clickHandler_),this.clickHandler_=null);this.mouseEnterHandler_&&(Blockly.unbindEvent_(this.mouseEnterHandler_),this.mouseEnterHandler_=null);this.mouseLeaveHandler_&&(Blockly.unbindEvent_(this.mouseLeaveHandler_),this.mouseLeaveHandler_=null);this.onKeyDownHandler_&&(Blockly.unbindEvent_(this.onKeyDownHandler_),
-this.onKeyDownHandler_=null);for(var a=0,b;b=this.menuItems_[a];a++)b.dispose();this.element_=null};Blockly.Menu.prototype.getMenuItem_=function(a){for(var b=this.getElement();a&&a!=b;){if(Blockly.utils.dom.hasClass(a,"blocklyMenuItem"))for(var c=0,d;d=this.menuItems_[c];c++)if(d.getElement()==a)return d;a=a.parentElement}return null};
-Blockly.Menu.prototype.setHighlighted=function(a){var b=this.highlightedItem_;b&&(b.setHighlighted(!1),this.highlightedItem_=null);a&&(a.setHighlighted(!0),this.highlightedItem_=a,b=this.getElement(),Blockly.utils.style.scrollIntoContainerView(a.getElement(),b),Blockly.utils.aria.setState(b,Blockly.utils.aria.State.ACTIVEDESCENDANT,a.getId()))};Blockly.Menu.prototype.highlightNext=function(){var a=this.menuItems_.indexOf(this.highlightedItem_);this.highlightHelper_(a,1)};
-Blockly.Menu.prototype.highlightPrevious=function(){var a=this.menuItems_.indexOf(this.highlightedItem_);this.highlightHelper_(0>a?this.menuItems_.length:a,-1)};Blockly.Menu.prototype.highlightFirst_=function(){this.highlightHelper_(-1,1)};Blockly.Menu.prototype.highlightLast_=function(){this.highlightHelper_(this.menuItems_.length,-1)};Blockly.Menu.prototype.highlightHelper_=function(a,b){a+=b;for(var c;c=this.menuItems_[a];){if(c.isEnabled()){this.setHighlighted(c);break}a+=b}};
-Blockly.Menu.prototype.handleMouseOver_=function(a){(a=this.getMenuItem_(a.target))&&(a.isEnabled()?this.highlightedItem_!=a&&this.setHighlighted(a):this.setHighlighted(null))};Blockly.Menu.prototype.handleClick_=function(a){var b=this.openingCoords;this.openingCoords=null;if(b&&"number"==typeof a.clientX){var c=new Blockly.utils.Coordinate(a.clientX,a.clientY);if(1>Blockly.utils.Coordinate.distance(b,c))return}(a=this.getMenuItem_(a.target))&&a.performAction()};
-Blockly.Menu.prototype.handleMouseEnter_=function(a){this.focus()};Blockly.Menu.prototype.handleMouseLeave_=function(a){this.getElement()&&(this.blur_(),this.setHighlighted(null))};
-Blockly.Menu.prototype.handleKeyEvent_=function(a){if(this.menuItems_.length&&!(a.shiftKey||a.ctrlKey||a.metaKey||a.altKey)){var b=this.highlightedItem_;switch(a.keyCode){case Blockly.utils.KeyCodes.ENTER:case Blockly.utils.KeyCodes.SPACE:b&&b.performAction();break;case Blockly.utils.KeyCodes.UP:this.highlightPrevious();break;case Blockly.utils.KeyCodes.DOWN:this.highlightNext();break;case Blockly.utils.KeyCodes.PAGE_UP:case Blockly.utils.KeyCodes.HOME:this.highlightFirst_();break;case Blockly.utils.KeyCodes.PAGE_DOWN:case Blockly.utils.KeyCodes.END:this.highlightLast_();
-break;default:return}a.preventDefault();a.stopPropagation()}};Blockly.Menu.prototype.getSize=function(){var a=this.getElement(),b=Blockly.utils.style.getSize(a);b.height=a.scrollHeight;return b};Blockly.MenuItem=function(a,b){this.content_=a;this.value_=b;this.enabled_=!0;this.element_=null;this.rightToLeft_=!1;this.roleName_=null;this.highlight_=this.checked_=this.checkable_=!1;this.actionHandler_=null};
-Blockly.MenuItem.prototype.createDom=function(){var a=document.createElement("div");a.id=Blockly.utils.IdGenerator.getNextUniqueId();this.element_=a;a.className="blocklyMenuItem goog-menuitem "+(this.enabled_?"":"blocklyMenuItemDisabled goog-menuitem-disabled ")+(this.checked_?"blocklyMenuItemSelected goog-option-selected ":"")+(this.highlight_?"blocklyMenuItemHighlight goog-menuitem-highlight ":"")+(this.rightToLeft_?"blocklyMenuItemRtl goog-menuitem-rtl ":"");var b=document.createElement("div");
-b.className="blocklyMenuItemContent goog-menuitem-content";if(this.checkable_){var c=document.createElement("div");c.className="blocklyMenuItemCheckbox goog-menuitem-checkbox";b.appendChild(c)}c=this.content_;"string"==typeof this.content_&&(c=document.createTextNode(this.content_));b.appendChild(c);a.appendChild(b);this.roleName_&&Blockly.utils.aria.setRole(a,this.roleName_);Blockly.utils.aria.setState(a,Blockly.utils.aria.State.SELECTED,this.checkable_&&this.checked_||!1);Blockly.utils.aria.setState(a,
-Blockly.utils.aria.State.DISABLED,!this.enabled_);return a};Blockly.MenuItem.prototype.dispose=function(){this.element_=null};Blockly.MenuItem.prototype.getElement=function(){return this.element_};Blockly.MenuItem.prototype.getId=function(){return this.element_.id};Blockly.MenuItem.prototype.getValue=function(){return this.value_};Blockly.MenuItem.prototype.setRightToLeft=function(a){this.rightToLeft_=a};Blockly.MenuItem.prototype.setRole=function(a){this.roleName_=a};
-Blockly.MenuItem.prototype.setCheckable=function(a){this.checkable_=a};Blockly.MenuItem.prototype.setChecked=function(a){this.checked_=a};Blockly.MenuItem.prototype.setHighlighted=function(a){this.highlight_=a;var b=this.getElement();b&&this.isEnabled()&&(a?(Blockly.utils.dom.addClass(b,"blocklyMenuItemHighlight"),Blockly.utils.dom.addClass(b,"goog-menuitem-highlight")):(Blockly.utils.dom.removeClass(b,"blocklyMenuItemHighlight"),Blockly.utils.dom.removeClass(b,"goog-menuitem-highlight")))};
-Blockly.MenuItem.prototype.isEnabled=function(){return this.enabled_};Blockly.MenuItem.prototype.setEnabled=function(a){this.enabled_=a};Blockly.MenuItem.prototype.performAction=function(){this.isEnabled()&&this.actionHandler_&&this.actionHandler_(this)};Blockly.MenuItem.prototype.onAction=function(a,b){this.actionHandler_=a.bind(b)};Blockly.ContextMenu={};Blockly.ContextMenu.currentBlock=null;Blockly.ContextMenu.menu_=null;Blockly.ContextMenu.show=function(a,b,c){Blockly.WidgetDiv.show(Blockly.ContextMenu,c,Blockly.ContextMenu.dispose);if(b.length){var d=Blockly.ContextMenu.populate_(b,c);Blockly.ContextMenu.menu_=d;Blockly.ContextMenu.position_(d,a,c);setTimeout(function(){d.focus()},1);Blockly.ContextMenu.currentBlock=null}else Blockly.ContextMenu.hide()};
-Blockly.ContextMenu.populate_=function(a,b){var c=new Blockly.Menu;c.setRole(Blockly.utils.aria.Role.MENU);for(var d=0,e;e=a[d];d++){var f=new Blockly.MenuItem(e.text);f.setRightToLeft(b);f.setRole(Blockly.utils.aria.Role.MENUITEM);c.addChild(f);f.setEnabled(e.enabled);if(e.enabled)f.onAction(function(g){Blockly.ContextMenu.hide();this.callback(this.scope)},e)}return c};
-Blockly.ContextMenu.position_=function(a,b,c){var d=Blockly.utils.getViewportBBox();b=new Blockly.utils.Rect(b.clientY+d.top,b.clientY+d.top,b.clientX+d.left,b.clientX+d.left);Blockly.ContextMenu.createWidget_(a);var e=a.getSize();c&&(b.left+=e.width,b.right+=e.width,d.left+=e.width,d.right+=e.width);Blockly.WidgetDiv.positionWithAnchor(d,b,e,c);a.focus()};
-Blockly.ContextMenu.createWidget_=function(a){a.render(Blockly.WidgetDiv.DIV);var b=a.getElement();Blockly.utils.dom.addClass(b,"blocklyContextMenu");Blockly.bindEventWithChecks_(b,"contextmenu",null,Blockly.utils.noEvent);a.focus()};Blockly.ContextMenu.hide=function(){Blockly.WidgetDiv.hideIfOwner(Blockly.ContextMenu);Blockly.ContextMenu.currentBlock=null};Blockly.ContextMenu.dispose=function(){Blockly.ContextMenu.menu_&&(Blockly.ContextMenu.menu_.dispose(),Blockly.ContextMenu.menu_=null)};
-Blockly.ContextMenu.callbackFactory=function(a,b){return function(){Blockly.Events.disable();try{var c=Blockly.Xml.domToBlock(b,a.workspace),d=a.getRelativeToSurfaceXY();d.x=a.RTL?d.x-Blockly.SNAP_RADIUS:d.x+Blockly.SNAP_RADIUS;d.y+=2*Blockly.SNAP_RADIUS;c.moveBy(d.x,d.y)}finally{Blockly.Events.enable()}Blockly.Events.isEnabled()&&!c.isShadow()&&Blockly.Events.fire(new Blockly.Events.BlockCreate(c));c.select()}};
-Blockly.ContextMenu.commentDeleteOption=function(a){return{text:Blockly.Msg.REMOVE_COMMENT,enabled:!0,callback:function(){Blockly.Events.setGroup(!0);a.dispose(!0,!0);Blockly.Events.setGroup(!1)}}};Blockly.ContextMenu.commentDuplicateOption=function(a){return{text:Blockly.Msg.DUPLICATE_COMMENT,enabled:!0,callback:function(){Blockly.duplicate(a)}}};
-Blockly.ContextMenu.workspaceCommentOption=function(a,b){if(!Blockly.WorkspaceCommentSvg)throw Error("Missing require for Blockly.WorkspaceCommentSvg");var c={enabled:!Blockly.utils.userAgent.IE};c.text=Blockly.Msg.ADD_COMMENT;c.callback=function(){var d=new Blockly.WorkspaceCommentSvg(a,Blockly.Msg.WORKSPACE_COMMENT_DEFAULT_TEXT,Blockly.WorkspaceCommentSvg.DEFAULT_SIZE,Blockly.WorkspaceCommentSvg.DEFAULT_SIZE),e=a.getInjectionDiv().getBoundingClientRect();e=new Blockly.utils.Coordinate(b.clientX-
-e.left,b.clientY-e.top);var f=a.getOriginOffsetInPixels();e=Blockly.utils.Coordinate.difference(e,f);e.scale(1/a.scale);d.moveBy(e.x,e.y);a.rendered&&(d.initSvg(),d.render(),d.select())};return c};Blockly.ContextMenuItems={};Blockly.ContextMenuItems.registerUndo=function(){Blockly.ContextMenuRegistry.registry.register({displayText:function(){return Blockly.Msg.UNDO},preconditionFn:function(a){return 0<a.workspace.getUndoStack().length?"enabled":"disabled"},callback:function(a){a.workspace.undo(!1)},scopeType:Blockly.ContextMenuRegistry.ScopeType.WORKSPACE,id:"undoWorkspace",weight:0})};
-Blockly.ContextMenuItems.registerRedo=function(){Blockly.ContextMenuRegistry.registry.register({displayText:function(){return Blockly.Msg.REDO},preconditionFn:function(a){return 0<a.workspace.getRedoStack().length?"enabled":"disabled"},callback:function(a){a.workspace.undo(!0)},scopeType:Blockly.ContextMenuRegistry.ScopeType.WORKSPACE,id:"redoWorkspace",weight:0})};
-Blockly.ContextMenuItems.registerCleanup=function(){Blockly.ContextMenuRegistry.registry.register({displayText:function(){return Blockly.Msg.CLEAN_UP},preconditionFn:function(a){return a.workspace.isMovable()?1<a.workspace.getTopBlocks(!1).length?"enabled":"disabled":"hidden"},callback:function(a){a.workspace.cleanUp()},scopeType:Blockly.ContextMenuRegistry.ScopeType.WORKSPACE,id:"cleanWorkspace",weight:0})};
-Blockly.ContextMenuItems.toggleOption_=function(a,b){for(var c=0,d=0;d<b.length;d++)for(var e=b[d];e;)setTimeout(e.setCollapsed.bind(e,a),c),e=e.getNextBlock(),c+=10};
-Blockly.ContextMenuItems.registerCollapse=function(){Blockly.ContextMenuRegistry.registry.register({displayText:function(){return Blockly.Msg.COLLAPSE_ALL},preconditionFn:function(a){if(a.workspace.options.collapse){a=a.workspace.getTopBlocks(!1);for(var b=0;b<a.length;b++)for(var c=a[b];c;){if(!c.isCollapsed())return"enabled";c=c.getNextBlock()}return"disabled"}return"hidden"},callback:function(a){Blockly.ContextMenuItems.toggleOption_(!0,a.workspace.getTopBlocks(!0))},scopeType:Blockly.ContextMenuRegistry.ScopeType.WORKSPACE,
-id:"collapseWorkspace",weight:0})};
-Blockly.ContextMenuItems.registerExpand=function(){Blockly.ContextMenuRegistry.registry.register({displayText:function(){return Blockly.Msg.EXPAND_ALL},preconditionFn:function(a){if(a.workspace.options.collapse){a=a.workspace.getTopBlocks(!1);for(var b=0;b<a.length;b++)for(var c=a[b];c;){if(c.isCollapsed())return"enabled";c=c.getNextBlock()}return"disabled"}return"hidden"},callback:function(a){Blockly.ContextMenuItems.toggleOption_(!1,a.workspace.getTopBlocks(!0))},scopeType:Blockly.ContextMenuRegistry.ScopeType.WORKSPACE,
-id:"expandWorkspace",weight:0})};Blockly.ContextMenuItems.addDeletableBlocks_=function(a,b){if(a.isDeletable())Array.prototype.push.apply(b,a.getDescendants(!1));else{a=a.getChildren(!1);for(var c=0;c<a.length;c++)Blockly.ContextMenuItems.addDeletableBlocks_(a[c],b)}};Blockly.ContextMenuItems.getDeletableBlocks_=function(a){var b=[];a=a.getTopBlocks(!0);for(var c=0;c<a.length;c++)Blockly.ContextMenuItems.addDeletableBlocks_(a[c],b);return b};
-Blockly.ContextMenuItems.deleteNext_=function(a,b){Blockly.Events.setGroup(b);var c=a.shift();c&&(c.workspace?(c.dispose(!1,!0),setTimeout(Blockly.ContextMenuItems.deleteNext_,10,a,b)):Blockly.ContextMenuItems.deleteNext_(a,b));Blockly.Events.setGroup(!1)};
-Blockly.ContextMenuItems.registerDeleteAll=function(){Blockly.ContextMenuRegistry.registry.register({displayText:function(a){if(a.workspace)return a=Blockly.ContextMenuItems.getDeletableBlocks_(a.workspace).length,1==a?Blockly.Msg.DELETE_BLOCK:Blockly.Msg.DELETE_X_BLOCKS.replace("%1",String(a))},preconditionFn:function(a){if(a.workspace)return 0<Blockly.ContextMenuItems.getDeletableBlocks_(a.workspace).length?"enabled":"disabled"},callback:function(a){if(a.workspace){a.workspace.cancelCurrentGesture();
-var b=Blockly.ContextMenuItems.getDeletableBlocks_(a.workspace),c=Blockly.utils.genUid();2>b.length?Blockly.ContextMenuItems.deleteNext_(b,c):Blockly.confirm(Blockly.Msg.DELETE_ALL_BLOCKS.replace("%1",b.length),function(d){d&&Blockly.ContextMenuItems.deleteNext_(b,c)})}},scopeType:Blockly.ContextMenuRegistry.ScopeType.WORKSPACE,id:"workspaceDelete",weight:0})};
-Blockly.ContextMenuItems.registerWorkspaceOptions_=function(){Blockly.ContextMenuItems.registerUndo();Blockly.ContextMenuItems.registerRedo();Blockly.ContextMenuItems.registerCleanup();Blockly.ContextMenuItems.registerCollapse();Blockly.ContextMenuItems.registerExpand();Blockly.ContextMenuItems.registerDeleteAll()};
-Blockly.ContextMenuItems.registerDuplicate=function(){Blockly.ContextMenuRegistry.registry.register({displayText:function(){return Blockly.Msg.DUPLICATE_BLOCK},preconditionFn:function(a){a=a.block;return!a.isInFlyout&&a.isDeletable()&&a.isMovable()?a.isDuplicatable()?"enabled":"disabled":"hidden"},callback:function(a){a.block&&Blockly.duplicate(a.block)},scopeType:Blockly.ContextMenuRegistry.ScopeType.BLOCK,id:"blockDuplicate",weight:0})};
-Blockly.ContextMenuItems.registerComment=function(){Blockly.ContextMenuRegistry.registry.register({displayText:function(a){return a.block.getCommentIcon()?Blockly.Msg.REMOVE_COMMENT:Blockly.Msg.ADD_COMMENT},preconditionFn:function(a){a=a.block;return Blockly.utils.userAgent.IE||a.isInFlyout||!a.workspace.options.comments||a.isCollapsed()||!a.isEditable()?"hidden":"enabled"},callback:function(a){a=a.block;a.getCommentIcon()?a.setCommentText(null):a.setCommentText("")},scopeType:Blockly.ContextMenuRegistry.ScopeType.BLOCK,
-id:"blockComment",weight:0})};
-Blockly.ContextMenuItems.registerInline=function(){Blockly.ContextMenuRegistry.registry.register({displayText:function(a){return a.block.getInputsInline()?Blockly.Msg.EXTERNAL_INPUTS:Blockly.Msg.INLINE_INPUTS},preconditionFn:function(a){a=a.block;if(!a.isInFlyout&&a.isMovable()&&!a.isCollapsed())for(var b=1;b<a.inputList.length;b++)if(a.inputList[b-1].type!=Blockly.NEXT_STATEMENT&&a.inputList[b].type!=Blockly.NEXT_STATEMENT)return"enabled";return"hidden"},callback:function(a){a.block.setInputsInline(!a.block.getInputsInline())},scopeType:Blockly.ContextMenuRegistry.ScopeType.BLOCK,
-id:"blockInline",weight:0})};Blockly.ContextMenuItems.registerCollapseExpandBlock=function(){Blockly.ContextMenuRegistry.registry.register({displayText:function(a){return a.block.isCollapsed()?Blockly.Msg.EXPAND_BLOCK:Blockly.Msg.COLLAPSE_BLOCK},preconditionFn:function(a){a=a.block;return!a.isInFlyout&&a.isMovable()?"enabled":"hidden"},callback:function(a){a.block.setCollapsed(!a.block.isCollapsed())},scopeType:Blockly.ContextMenuRegistry.ScopeType.BLOCK,id:"blockCollapseExpand",weight:0})};
-Blockly.ContextMenuItems.registerDisable=function(){Blockly.ContextMenuRegistry.registry.register({displayText:function(a){return a.block.isEnabled()?Blockly.Msg.DISABLE_BLOCK:Blockly.Msg.ENABLE_BLOCK},preconditionFn:function(a){a=a.block;return!a.isInFlyout&&a.workspace.options.disable&&a.isEditable()?a.getInheritedDisabled()?"disabled":"enabled":"hidden"},callback:function(a){a=a.block;var b=Blockly.Events.getGroup();b||Blockly.Events.setGroup(!0);a.setEnabled(!a.isEnabled());b||Blockly.Events.setGroup(!1)},
-scopeType:Blockly.ContextMenuRegistry.ScopeType.BLOCK,id:"blockDisable",weight:0})};
-Blockly.ContextMenuItems.registerDelete=function(){Blockly.ContextMenuRegistry.registry.register({displayText:function(a){var b=a.block;a=b.getDescendants(!1).length;(b=b.getNextBlock())&&(a-=b.getDescendants(!1).length);return 1==a?Blockly.Msg.DELETE_BLOCK:Blockly.Msg.DELETE_X_BLOCKS.replace("%1",String(a))},preconditionFn:function(a){return!a.block.isInFlyout&&a.block.isDeletable()?"enabled":"hidden"},callback:function(a){Blockly.Events.setGroup(!0);a.block.dispose(!0,!0);Blockly.Events.setGroup(!1)},
-scopeType:Blockly.ContextMenuRegistry.ScopeType.BLOCK,id:"blockDelete",weight:0})};Blockly.ContextMenuItems.registerHelp=function(){Blockly.ContextMenuRegistry.registry.register({displayText:function(){return Blockly.Msg.HELP},preconditionFn:function(a){a=a.block;return("function"==typeof a.helpUrl?a.helpUrl():a.helpUrl)?"enabled":"hidden"},callback:function(a){a.block.showHelp()},scopeType:Blockly.ContextMenuRegistry.ScopeType.BLOCK,id:"blockHelp",weight:0})};
-Blockly.ContextMenuItems.registerBlockOptions_=function(){Blockly.ContextMenuItems.registerDuplicate();Blockly.ContextMenuItems.registerComment();Blockly.ContextMenuItems.registerInline();Blockly.ContextMenuItems.registerCollapseExpandBlock();Blockly.ContextMenuItems.registerDisable();Blockly.ContextMenuItems.registerDelete();Blockly.ContextMenuItems.registerHelp()};Blockly.ContextMenuItems.registerDefaultOptions=function(){Blockly.ContextMenuItems.registerWorkspaceOptions_();Blockly.ContextMenuItems.registerBlockOptions_()};Blockly.ContextMenuRegistry=function(){Blockly.ContextMenuRegistry.registry=this;this.registry_={};Blockly.ContextMenuItems.registerDefaultOptions()};Blockly.ContextMenuRegistry.ScopeType={BLOCK:"block",WORKSPACE:"workspace"};Blockly.ContextMenuRegistry.registry=null;Blockly.ContextMenuRegistry.prototype.register=function(a){if(this.registry_[a.id])throw Error('Menu item with id "'+a.id+'" is already registered.');this.registry_[a.id]=a};
-Blockly.ContextMenuRegistry.prototype.unregister=function(a){if(this.registry_[a])delete this.registry_[a];else throw Error('Menu item with id "'+a+'" not found.');};Blockly.ContextMenuRegistry.prototype.getItem=function(a){return this.registry_[a]?this.registry_[a]:null};
-Blockly.ContextMenuRegistry.prototype.getContextMenuOptions=function(a,b){var c=[],d=this.registry_;Object.keys(d).forEach(function(e){e=d[e];if(a==e.scopeType){var f=e.preconditionFn(b);"hidden"!=f&&(e={text:"function"==typeof e.displayText?e.displayText(b):e.displayText,enabled:"enabled"==f,callback:e.callback,scope:b,weight:e.weight},c.push(e))}});c.sort(function(e,f){return e.weight-f.weight});return c};new Blockly.ContextMenuRegistry;Blockly.RenderedConnection=function(a,b){Blockly.RenderedConnection.superClass_.constructor.call(this,a,b);this.db_=a.workspace.connectionDBList[b];this.dbOpposite_=a.workspace.connectionDBList[Blockly.OPPOSITE_TYPE[b]];this.offsetInBlock_=new Blockly.utils.Coordinate(0,0);this.trackedState_=Blockly.RenderedConnection.TrackedState.WILL_TRACK;this.targetConnection=null};Blockly.utils.object.inherits(Blockly.RenderedConnection,Blockly.Connection);
-Blockly.RenderedConnection.TrackedState={WILL_TRACK:-1,UNTRACKED:0,TRACKED:1};Blockly.RenderedConnection.prototype.dispose=function(){Blockly.RenderedConnection.superClass_.dispose.call(this);this.trackedState_==Blockly.RenderedConnection.TrackedState.TRACKED&&this.db_.removeConnection(this,this.y)};Blockly.RenderedConnection.prototype.getSourceBlock=function(){return Blockly.RenderedConnection.superClass_.getSourceBlock.call(this)};Blockly.RenderedConnection.prototype.targetBlock=function(){return Blockly.RenderedConnection.superClass_.targetBlock.call(this)};
-Blockly.RenderedConnection.prototype.distanceFrom=function(a){var b=this.x-a.x;a=this.y-a.y;return Math.sqrt(b*b+a*a)};
-Blockly.RenderedConnection.prototype.bumpAwayFrom=function(a){if(!this.sourceBlock_.workspace.isDragging()){var b=this.sourceBlock_.getRootBlock();if(!b.isInFlyout){var c=!1;if(!b.isMovable()){b=a.getSourceBlock().getRootBlock();if(!b.isMovable())return;a=this;c=!0}var d=Blockly.selected==b;d||b.addSelect();var e=a.x+Blockly.SNAP_RADIUS+Math.floor(Math.random()*Blockly.BUMP_RANDOMNESS)-this.x,f=a.y+Blockly.SNAP_RADIUS+Math.floor(Math.random()*Blockly.BUMP_RANDOMNESS)-this.y;c&&(f=-f);b.RTL&&(e=a.x-
-Blockly.SNAP_RADIUS-Math.floor(Math.random()*Blockly.BUMP_RANDOMNESS)-this.x);b.moveBy(e,f);d||b.removeSelect()}}};
-Blockly.RenderedConnection.prototype.moveTo=function(a,b){this.trackedState_==Blockly.RenderedConnection.TrackedState.WILL_TRACK?(this.db_.addConnection(this,b),this.trackedState_=Blockly.RenderedConnection.TrackedState.TRACKED):this.trackedState_==Blockly.RenderedConnection.TrackedState.TRACKED&&(this.db_.removeConnection(this,this.y),this.db_.addConnection(this,b));this.x=a;this.y=b};Blockly.RenderedConnection.prototype.moveBy=function(a,b){this.moveTo(this.x+a,this.y+b)};
-Blockly.RenderedConnection.prototype.moveToOffset=function(a){this.moveTo(a.x+this.offsetInBlock_.x,a.y+this.offsetInBlock_.y)};Blockly.RenderedConnection.prototype.setOffsetInBlock=function(a,b){this.offsetInBlock_.x=a;this.offsetInBlock_.y=b};Blockly.RenderedConnection.prototype.getOffsetInBlock=function(){return this.offsetInBlock_};
-Blockly.RenderedConnection.prototype.tighten=function(){var a=this.targetConnection.x-this.x,b=this.targetConnection.y-this.y;if(0!=a||0!=b){var c=this.targetBlock(),d=c.getSvgRoot();if(!d)throw Error("block is not rendered.");d=Blockly.utils.getRelativeXY(d);c.getSvgRoot().setAttribute("transform","translate("+(d.x-a)+","+(d.y-b)+")");c.moveConnections(-a,-b)}};Blockly.RenderedConnection.prototype.closest=function(a,b){return this.dbOpposite_.searchForClosest(this,a,b)};
-Blockly.RenderedConnection.prototype.highlight=function(){var a=this.sourceBlock_.workspace.getRenderer().getConstants();var b=a.shapeFor(this);this.type==Blockly.INPUT_VALUE||this.type==Blockly.OUTPUT_VALUE?(a=a.TAB_OFFSET_FROM_TOP,b=Blockly.utils.svgPaths.moveBy(0,-a)+Blockly.utils.svgPaths.lineOnAxis("v",a)+b.pathDown+Blockly.utils.svgPaths.lineOnAxis("v",a)):(a=a.NOTCH_OFFSET_LEFT-a.CORNER_RADIUS,b=Blockly.utils.svgPaths.moveBy(-a,0)+Blockly.utils.svgPaths.lineOnAxis("h",a)+b.pathLeft+Blockly.utils.svgPaths.lineOnAxis("h",
-a));a=this.sourceBlock_.getRelativeToSurfaceXY();Blockly.Connection.highlightedPath_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{"class":"blocklyHighlightedConnectionPath",d:b,transform:"translate("+(this.x-a.x)+","+(this.y-a.y)+")"+(this.sourceBlock_.RTL?" scale(-1 1)":"")},this.sourceBlock_.getSvgRoot())};Blockly.RenderedConnection.prototype.unhighlight=function(){Blockly.utils.dom.removeNode(Blockly.Connection.highlightedPath_);delete Blockly.Connection.highlightedPath_};
-Blockly.RenderedConnection.prototype.setTracking=function(a){a&&this.trackedState_==Blockly.RenderedConnection.TrackedState.TRACKED||!a&&this.trackedState_==Blockly.RenderedConnection.TrackedState.UNTRACKED||this.sourceBlock_.isInFlyout||(a?(this.db_.addConnection(this,this.y),this.trackedState_=Blockly.RenderedConnection.TrackedState.TRACKED):(this.trackedState_==Blockly.RenderedConnection.TrackedState.TRACKED&&this.db_.removeConnection(this,this.y),this.trackedState_=Blockly.RenderedConnection.TrackedState.UNTRACKED))};
-Blockly.RenderedConnection.prototype.stopTrackingAll=function(){this.setTracking(!1);if(this.targetConnection)for(var a=this.targetBlock().getDescendants(!1),b=0;b<a.length;b++){for(var c=a[b],d=c.getConnections_(!0),e=0;e<d.length;e++)d[e].setTracking(!1);c=c.getIcons();for(e=0;e<c.length;e++)c[e].setVisible(!1)}};
-Blockly.RenderedConnection.prototype.startTrackingAll=function(){this.setTracking(!0);var a=[];if(this.type!=Blockly.INPUT_VALUE&&this.type!=Blockly.NEXT_STATEMENT)return a;var b=this.targetBlock();if(b){if(b.isCollapsed()){var c=[];b.outputConnection&&c.push(b.outputConnection);b.nextConnection&&c.push(b.nextConnection);b.previousConnection&&c.push(b.previousConnection)}else c=b.getConnections_(!0);for(var d=0;d<c.length;d++)a.push.apply(a,c[d].startTrackingAll());a.length||(a[0]=b)}return a};
-Blockly.RenderedConnection.prototype.isConnectionAllowed=function(a,b){Blockly.utils.deprecation.warn("RenderedConnection.prototype.isConnectionAllowed","July 2020","July 2021","Blockly.Workspace.prototype.getConnectionChecker().canConnect");return this.distanceFrom(a)>b?!1:Blockly.RenderedConnection.superClass_.isConnectionAllowed.call(this,a)};Blockly.RenderedConnection.prototype.onFailedConnect=function(a){this.bumpAwayFrom(a)};
-Blockly.RenderedConnection.prototype.disconnectInternal_=function(a,b){Blockly.RenderedConnection.superClass_.disconnectInternal_.call(this,a,b);a.rendered&&a.render();b.rendered&&(b.updateDisabled(),b.render(),b.getSvgRoot().style.display="block")};Blockly.RenderedConnection.prototype.respawnShadow_=function(){Blockly.RenderedConnection.superClass_.respawnShadow_.call(this);var a=this.targetBlock();a&&(a.initSvg(),a.render(!1),a=this.getSourceBlock(),a.rendered&&a.render())};
-Blockly.RenderedConnection.prototype.neighbours=function(a){return this.dbOpposite_.getNeighbours(this,a)};
-Blockly.RenderedConnection.prototype.connect_=function(a){Blockly.RenderedConnection.superClass_.connect_.call(this,a);var b=this.getSourceBlock();a=a.getSourceBlock();var c=b.rendered,d=a.rendered;c&&b.updateDisabled();d&&a.updateDisabled();c&&d&&(this.type==Blockly.NEXT_STATEMENT||this.type==Blockly.PREVIOUS_STATEMENT?a.render():b.render());if(b=b.getInputWithBlock(a))b=b.isVisible(),a.getSvgRoot().style.display=b?"block":"none"};
-Blockly.RenderedConnection.prototype.onCheckChanged_=function(){!this.isConnected()||this.targetConnection&&this.getConnectionChecker().canConnect(this,this.targetConnection,!1)||((this.isSuperior()?this.targetBlock():this.sourceBlock_).unplug(),this.sourceBlock_.bumpNeighbours())};Blockly.Marker=function(){this.drawer_=this.curNode_=this.colour=null;this.type="marker"};Blockly.Marker.prototype.setDrawer=function(a){this.drawer_=a};Blockly.Marker.prototype.getDrawer=function(){return this.drawer_};Blockly.Marker.prototype.getCurNode=function(){return this.curNode_};Blockly.Marker.prototype.setCurNode=function(a){var b=this.curNode_;this.curNode_=a;this.drawer_&&this.drawer_.draw(b,this.curNode_)};
-Blockly.Marker.prototype.draw=function(){this.drawer_&&this.drawer_.draw(this.curNode_,this.curNode_)};Blockly.Marker.prototype.hide=function(){this.drawer_&&this.drawer_.hide()};Blockly.Marker.prototype.dispose=function(){this.getDrawer()&&this.getDrawer().dispose()};Blockly.Cursor=function(){Blockly.Cursor.superClass_.constructor.call(this);this.type="cursor"};Blockly.utils.object.inherits(Blockly.Cursor,Blockly.Marker);Blockly.Cursor.prototype.next=function(){var a=this.getCurNode();if(!a)return null;for(a=a.next();a&&a.next()&&(a.getType()==Blockly.ASTNode.types.NEXT||a.getType()==Blockly.ASTNode.types.BLOCK);)a=a.next();a&&this.setCurNode(a);return a};
-Blockly.Cursor.prototype.in=function(){var a=this.getCurNode();if(!a)return null;if(a.getType()==Blockly.ASTNode.types.PREVIOUS||a.getType()==Blockly.ASTNode.types.OUTPUT)a=a.next();(a=a.in())&&this.setCurNode(a);return a};Blockly.Cursor.prototype.prev=function(){var a=this.getCurNode();if(!a)return null;for(a=a.prev();a&&a.prev()&&(a.getType()==Blockly.ASTNode.types.NEXT||a.getType()==Blockly.ASTNode.types.BLOCK);)a=a.prev();a&&this.setCurNode(a);return a};
-Blockly.Cursor.prototype.out=function(){var a=this.getCurNode();if(!a)return null;(a=a.out())&&a.getType()==Blockly.ASTNode.types.BLOCK&&(a=a.prev()||a);a&&this.setCurNode(a);return a};
-Blockly.Cursor.prototype.onBlocklyAction=function(a){if(this.getCurNode()&&this.getCurNode().getType()===Blockly.ASTNode.types.FIELD&&this.getCurNode().getLocation().onBlocklyAction(a))return!0;switch(a.name){case Blockly.navigation.actionNames.PREVIOUS:return this.prev(),!0;case Blockly.navigation.actionNames.OUT:return this.out(),!0;case Blockly.navigation.actionNames.NEXT:return this.next(),!0;case Blockly.navigation.actionNames.IN:return this.in(),!0;default:return!1}};Blockly.BasicCursor=function(){Blockly.BasicCursor.superClass_.constructor.call(this)};Blockly.utils.object.inherits(Blockly.BasicCursor,Blockly.Cursor);Blockly.BasicCursor.prototype.next=function(){var a=this.getCurNode();if(!a)return null;(a=this.getNextNode_(a,this.validNode_))&&this.setCurNode(a);return a};Blockly.BasicCursor.prototype.in=function(){return this.next()};
-Blockly.BasicCursor.prototype.prev=function(){var a=this.getCurNode();if(!a)return null;(a=this.getPreviousNode_(a,this.validNode_))&&this.setCurNode(a);return a};Blockly.BasicCursor.prototype.out=function(){return this.prev()};Blockly.BasicCursor.prototype.getNextNode_=function(a,b){if(!a)return null;var c=a.in()||a.next();if(b(c))return c;if(c)return this.getNextNode_(c,b);a=this.findSiblingOrParent_(a.out());return b(a)?a:a?this.getNextNode_(a,b):null};
-Blockly.BasicCursor.prototype.getPreviousNode_=function(a,b){if(!a)return null;var c=a.prev();c=c?this.getRightMostChild_(c):a.out();return b(c)?c:c?this.getPreviousNode_(c,b):null};Blockly.BasicCursor.prototype.validNode_=function(a){var b=!1;a=a&&a.getType();if(a==Blockly.ASTNode.types.OUTPUT||a==Blockly.ASTNode.types.INPUT||a==Blockly.ASTNode.types.FIELD||a==Blockly.ASTNode.types.NEXT||a==Blockly.ASTNode.types.PREVIOUS||a==Blockly.ASTNode.types.WORKSPACE)b=!0;return b};
-Blockly.BasicCursor.prototype.findSiblingOrParent_=function(a){if(!a)return null;var b=a.next();return b?b:this.findSiblingOrParent_(a.out())};Blockly.BasicCursor.prototype.getRightMostChild_=function(a){if(!a.in())return a;for(a=a.in();a.next();)a=a.next();return this.getRightMostChild_(a)};Blockly.TabNavigateCursor=function(){Blockly.TabNavigateCursor.superClass_.constructor.call(this)};Blockly.utils.object.inherits(Blockly.TabNavigateCursor,Blockly.BasicCursor);Blockly.TabNavigateCursor.prototype.validNode_=function(a){var b=!1,c=a&&a.getType();a&&(a=a.getLocation(),c==Blockly.ASTNode.types.FIELD&&a&&a.isTabNavigable()&&a.isClickable()&&(b=!0));return b};Blockly.BlockSvg=function(a,b,c){this.svgGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{},null);this.svgGroup_.translate_="";this.style=a.getRenderer().getConstants().getBlockStyle(null);this.pathObject=a.getRenderer().makePathObject(this.svgGroup_,this.style);this.renderIsInProgress_=this.rendered=!1;this.workspace=a;this.previousConnection=this.nextConnection=this.outputConnection=null;this.useDragSurface_=Blockly.utils.is3dSupported()&&!!a.getBlockDragSurface();var d=this.pathObject.svgPath;
-d.tooltip=this;Blockly.Tooltip.bindMouseEvents(d);Blockly.BlockSvg.superClass_.constructor.call(this,a,b,c);this.svgGroup_.dataset&&(this.svgGroup_.dataset.id=this.id)};Blockly.utils.object.inherits(Blockly.BlockSvg,Blockly.Block);Blockly.BlockSvg.prototype.height=0;Blockly.BlockSvg.prototype.width=0;Blockly.BlockSvg.prototype.warningTextDb_=null;Blockly.BlockSvg.INLINE=-1;Blockly.BlockSvg.COLLAPSED_WARNING_ID="TEMP_COLLAPSED_WARNING_";
-Blockly.BlockSvg.prototype.initSvg=function(){if(!this.workspace.rendered)throw TypeError("Workspace is headless.");for(var a=0,b;b=this.inputList[a];a++)b.init();b=this.getIcons();for(a=0;a<b.length;a++)b[a].createIcon();this.applyColour();this.pathObject.updateMovable(this.isMovable());a=this.getSvgRoot();this.workspace.options.readOnly||this.eventsInit_||!a||Blockly.bindEventWithChecks_(a,"mousedown",this,this.onMouseDown_);this.eventsInit_=!0;a.parentNode||this.workspace.getCanvas().appendChild(a)};
-Blockly.BlockSvg.prototype.getColourSecondary=function(){return this.style.colourSecondary};Blockly.BlockSvg.prototype.getColourTertiary=function(){return this.style.colourTertiary};Blockly.BlockSvg.prototype.getColourShadow=function(){Blockly.utils.deprecation.warn("BlockSvg.prototype.getColourShadow","January 2020","January 2021","style.colourSecondary");return this.getColourSecondary()};
-Blockly.BlockSvg.prototype.getColourBorder=function(){Blockly.utils.deprecation.warn("BlockSvg.prototype.getColourBorder","January 2020","January 2021","style.colourTertiary");return{colourBorder:this.getColourTertiary(),colourLight:null,colourDark:null}};
-Blockly.BlockSvg.prototype.select=function(){if(this.isShadow()&&this.getParent())this.getParent().select();else if(Blockly.selected!=this){var a=null;if(Blockly.selected){a=Blockly.selected.id;Blockly.Events.disable();try{Blockly.selected.unselect()}finally{Blockly.Events.enable()}}a=new Blockly.Events.Ui(null,"selected",a,this.id);a.workspaceId=this.workspace.id;Blockly.Events.fire(a);Blockly.selected=this;this.addSelect()}};
-Blockly.BlockSvg.prototype.unselect=function(){if(Blockly.selected==this){var a=new Blockly.Events.Ui(null,"selected",this.id,null);a.workspaceId=this.workspace.id;Blockly.Events.fire(a);Blockly.selected=null;this.removeSelect()}};Blockly.BlockSvg.prototype.mutator=null;Blockly.BlockSvg.prototype.comment=null;Blockly.BlockSvg.prototype.commentIcon_=null;Blockly.BlockSvg.prototype.warning=null;
-Blockly.BlockSvg.prototype.getIcons=function(){var a=[];this.mutator&&a.push(this.mutator);this.commentIcon_&&a.push(this.commentIcon_);this.warning&&a.push(this.warning);return a};
-Blockly.BlockSvg.prototype.setParent=function(a){var b=this.parentBlock_;if(a!=b){Blockly.utils.dom.startTextWidthCache();Blockly.BlockSvg.superClass_.setParent.call(this,a);Blockly.utils.dom.stopTextWidthCache();var c=this.getSvgRoot();if(!this.workspace.isClearing&&c){var d=this.getRelativeToSurfaceXY();a?(a.getSvgRoot().appendChild(c),a=this.getRelativeToSurfaceXY(),this.moveConnections(a.x-d.x,a.y-d.y)):b&&(this.workspace.getCanvas().appendChild(c),this.translate(d.x,d.y));this.applyColour()}}};
-Blockly.BlockSvg.prototype.getRelativeToSurfaceXY=function(){var a=0,b=0,c=this.useDragSurface_?this.workspace.getBlockDragSurface().getGroup():null,d=this.getSvgRoot();if(d){do{var e=Blockly.utils.getRelativeXY(d);a+=e.x;b+=e.y;this.useDragSurface_&&this.workspace.getBlockDragSurface().getCurrentBlock()==d&&(e=this.workspace.getBlockDragSurface().getSurfaceTranslation(),a+=e.x,b+=e.y);d=d.parentNode}while(d&&d!=this.workspace.getCanvas()&&d!=c)}return new Blockly.utils.Coordinate(a,b)};
-Blockly.BlockSvg.prototype.moveBy=function(a,b){if(this.parentBlock_)throw Error("Block has parent.");var c=Blockly.Events.isEnabled();if(c)var d=new Blockly.Events.BlockMove(this);var e=this.getRelativeToSurfaceXY();this.translate(e.x+a,e.y+b);this.moveConnections(a,b);c&&(d.recordNew(),Blockly.Events.fire(d));this.workspace.resizeContents()};Blockly.BlockSvg.prototype.translate=function(a,b){this.getSvgRoot().setAttribute("transform","translate("+a+","+b+")")};
-Blockly.BlockSvg.prototype.moveToDragSurface=function(){if(this.useDragSurface_){var a=this.getRelativeToSurfaceXY();this.clearTransformAttributes_();this.workspace.getBlockDragSurface().translateSurface(a.x,a.y);(a=this.getSvgRoot())&&this.workspace.getBlockDragSurface().setBlocksAndShow(a)}};Blockly.BlockSvg.prototype.moveTo=function(a){var b=this.getRelativeToSurfaceXY();this.moveBy(a.x-b.x,a.y-b.y)};
-Blockly.BlockSvg.prototype.moveOffDragSurface=function(a){this.useDragSurface_&&(this.translate(a.x,a.y),this.workspace.getBlockDragSurface().clearAndHide(this.workspace.getCanvas()))};Blockly.BlockSvg.prototype.moveDuringDrag=function(a){this.useDragSurface_?this.workspace.getBlockDragSurface().translateSurface(a.x,a.y):(this.svgGroup_.translate_="translate("+a.x+","+a.y+")",this.svgGroup_.setAttribute("transform",this.svgGroup_.translate_+this.svgGroup_.skew_))};
-Blockly.BlockSvg.prototype.clearTransformAttributes_=function(){this.getSvgRoot().removeAttribute("transform")};Blockly.BlockSvg.prototype.snapToGrid=function(){if(this.workspace&&!this.workspace.isDragging()&&!this.getParent()&&!this.isInFlyout){var a=this.workspace.getGrid();if(a&&a.shouldSnap()){var b=a.getSpacing(),c=b/2,d=this.getRelativeToSurfaceXY();a=Math.round((d.x-c)/b)*b+c-d.x;b=Math.round((d.y-c)/b)*b+c-d.y;a=Math.round(a);b=Math.round(b);0==a&&0==b||this.moveBy(a,b)}}};
-Blockly.BlockSvg.prototype.getBoundingRectangle=function(){var a=this.getRelativeToSurfaceXY(),b=this.getHeightWidth();if(this.RTL){var c=a.x-b.width;var d=a.x}else c=a.x,d=a.x+b.width;return new Blockly.utils.Rect(a.y,a.y+b.height,c,d)};Blockly.BlockSvg.prototype.markDirty=function(){this.pathObject.constants=this.workspace.getRenderer().getConstants();for(var a=0,b;b=this.inputList[a];a++)b.markDirty()};
-Blockly.BlockSvg.prototype.setCollapsed=function(a){this.collapsed_!=a&&(Blockly.BlockSvg.superClass_.setCollapsed.call(this,a),a?this.rendered&&this.render():this.updateCollapsed_())};
-Blockly.BlockSvg.prototype.updateCollapsed_=function(){for(var a=this.isCollapsed(),b=Blockly.Block.COLLAPSED_INPUT_NAME,c=Blockly.Block.COLLAPSED_FIELD_NAME,d=0,e;e=this.inputList[d];d++)e.name!=b&&e.setVisible(!a);if(a){e=this.getIcons();for(d=0;a=e[d];d++)a.setVisible(!1);d=this.toString(Blockly.COLLAPSE_CHARS);(e=this.getField(c))?e.setValue(d):(e=this.getInput(b)||this.appendDummyInput(b),e.appendField(new Blockly.FieldLabel(d),c))}else this.removeInput(b)};
-Blockly.BlockSvg.prototype.tab=function(a,b){var c=new Blockly.TabNavigateCursor;c.setCurNode(Blockly.ASTNode.createFieldNode(a));a=c.getCurNode();c.onBlocklyAction(b?Blockly.navigation.ACTION_NEXT:Blockly.navigation.ACTION_PREVIOUS);(b=c.getCurNode())&&b!==a&&(b.getLocation().showEditor(),this.workspace.keyboardAccessibilityMode&&this.workspace.getCursor().setCurNode(b))};
-Blockly.BlockSvg.prototype.onMouseDown_=function(a){var b=this.workspace&&this.workspace.getGesture(a);b&&b.handleBlockStart(a,this)};Blockly.BlockSvg.prototype.showHelp=function(){var a="function"==typeof this.helpUrl?this.helpUrl():this.helpUrl;a&&window.open(a)};
-Blockly.BlockSvg.prototype.generateContextMenu=function(){if(this.workspace.options.readOnly||!this.contextMenu)return null;var a=Blockly.ContextMenuRegistry.registry.getContextMenuOptions(Blockly.ContextMenuRegistry.ScopeType.BLOCK,{block:this});this.customContextMenu&&this.customContextMenu(a);return a};Blockly.BlockSvg.prototype.showContextMenu=function(a){var b=this.generateContextMenu();b&&b.length&&(Blockly.ContextMenu.show(a,b,this.RTL),Blockly.ContextMenu.currentBlock=this)};
-Blockly.BlockSvg.prototype.moveConnections=function(a,b){if(this.rendered){for(var c=this.getConnections_(!1),d=0;d<c.length;d++)c[d].moveBy(a,b);c=this.getIcons();for(d=0;d<c.length;d++)c[d].computeIconLocation();for(d=0;d<this.childBlocks_.length;d++)this.childBlocks_[d].moveConnections(a,b)}};
-Blockly.BlockSvg.prototype.setDragging=function(a){if(a){var b=this.getSvgRoot();b.translate_="";b.skew_="";Blockly.draggingConnections=Blockly.draggingConnections.concat(this.getConnections_(!0));Blockly.utils.dom.addClass(this.svgGroup_,"blocklyDragging")}else Blockly.draggingConnections=[],Blockly.utils.dom.removeClass(this.svgGroup_,"blocklyDragging");for(b=0;b<this.childBlocks_.length;b++)this.childBlocks_[b].setDragging(a)};
-Blockly.BlockSvg.prototype.setMovable=function(a){Blockly.BlockSvg.superClass_.setMovable.call(this,a);this.pathObject.updateMovable(a)};Blockly.BlockSvg.prototype.setEditable=function(a){Blockly.BlockSvg.superClass_.setEditable.call(this,a);a=this.getIcons();for(var b=0;b<a.length;b++)a[b].updateEditable()};Blockly.BlockSvg.prototype.setShadow=function(a){Blockly.BlockSvg.superClass_.setShadow.call(this,a);this.applyColour()};
-Blockly.BlockSvg.prototype.setInsertionMarker=function(a){this.isInsertionMarker_!=a&&(this.isInsertionMarker_=a)&&(this.setColour(this.workspace.getRenderer().getConstants().INSERTION_MARKER_COLOUR),this.pathObject.updateInsertionMarker(!0))};Blockly.BlockSvg.prototype.getSvgRoot=function(){return this.svgGroup_};
-Blockly.BlockSvg.prototype.dispose=function(a,b){if(this.workspace){Blockly.Tooltip.dispose();Blockly.Tooltip.unbindMouseEvents(this.pathObject.svgPath);Blockly.utils.dom.startTextWidthCache();var c=this.workspace;Blockly.selected==this&&(this.unselect(),this.workspace.cancelCurrentGesture());Blockly.ContextMenu.currentBlock==this&&Blockly.ContextMenu.hide();this.workspace.keyboardAccessibilityMode&&Blockly.navigation.moveCursorOnBlockDelete(this);b&&this.rendered&&(this.unplug(a),Blockly.blockAnimations.disposeUiEffect(this));
-this.rendered=!1;if(this.warningTextDb_){for(var d in this.warningTextDb_)clearTimeout(this.warningTextDb_[d]);this.warningTextDb_=null}b=this.getIcons();for(d=0;d<b.length;d++)b[d].dispose();Blockly.BlockSvg.superClass_.dispose.call(this,!!a);Blockly.utils.dom.removeNode(this.svgGroup_);c.resizeContents();this.svgGroup_=null;Blockly.utils.dom.stopTextWidthCache()}};
-Blockly.BlockSvg.prototype.toCopyData=function(){if(this.isInsertionMarker_)return null;var a=Blockly.Xml.blockToDom(this,!0);Blockly.Xml.deleteNext(a);var b=this.getRelativeToSurfaceXY();a.setAttribute("x",this.RTL?-b.x:b.x);a.setAttribute("y",b.y);return{xml:a,source:this.workspace,typeCounts:Blockly.utils.getBlockTypeCounts(this,!0)}};
-Blockly.BlockSvg.prototype.applyColour=function(){this.pathObject.applyColour(this);for(var a=this.getIcons(),b=0;b<a.length;b++)a[b].applyColour();for(a=0;b=this.inputList[a];a++)for(var c=0,d;d=b.fieldRow[c];c++)d.applyColour()};Blockly.BlockSvg.prototype.updateDisabled=function(){var a=this.getChildren(!1);this.applyColour();if(!this.isCollapsed())for(var b=0,c;c=a[b];b++)c.rendered&&c.updateDisabled()};Blockly.BlockSvg.prototype.getCommentIcon=function(){return this.commentIcon_};
-Blockly.BlockSvg.prototype.setCommentText=function(a){if(!Blockly.Comment)throw Error("Missing require for Blockly.Comment");this.commentModel.text!=a&&(Blockly.BlockSvg.superClass_.setCommentText.call(this,a),a=null!=a,!!this.commentIcon_==a?this.commentIcon_.updateText():(a?this.comment=this.commentIcon_=new Blockly.Comment(this):(this.commentIcon_.dispose(),this.comment=this.commentIcon_=null),this.rendered&&(this.render(),this.bumpNeighbours())))};
-Blockly.BlockSvg.prototype.setWarningText=function(a,b){if(!Blockly.Warning)throw Error("Missing require for Blockly.Warning");this.warningTextDb_||(this.warningTextDb_=Object.create(null));var c=b||"";if(c)this.warningTextDb_[c]&&(clearTimeout(this.warningTextDb_[c]),delete this.warningTextDb_[c]);else for(var d in this.warningTextDb_)clearTimeout(this.warningTextDb_[d]),delete this.warningTextDb_[d];if(this.workspace.isDragging()){var e=this;this.warningTextDb_[c]=setTimeout(function(){e.workspace&&
-(delete e.warningTextDb_[c],e.setWarningText(a,c))},100)}else{this.isInFlyout&&(a=null);b=!1;if("string"==typeof a){d=this.getSurroundParent();for(var f=null;d;)d.isCollapsed()&&(f=d),d=d.getSurroundParent();f&&f.setWarningText(Blockly.Msg.COLLAPSED_WARNINGS_WARNING,Blockly.BlockSvg.COLLAPSED_WARNING_ID);this.warning||(this.warning=new Blockly.Warning(this),b=!0);this.warning.setText(a,c)}else this.warning&&!c?(this.warning.dispose(),b=!0):this.warning&&(b=this.warning.getText(),this.warning.setText("",
-c),(d=this.warning.getText())||this.warning.dispose(),b=b!=d);b&&this.rendered&&(this.render(),this.bumpNeighbours())}};Blockly.BlockSvg.prototype.setMutator=function(a){this.mutator&&this.mutator!==a&&this.mutator.dispose();a&&(a.setBlock(this),this.mutator=a,a.createIcon());this.rendered&&(this.render(),this.bumpNeighbours())};
-Blockly.BlockSvg.prototype.setDisabled=function(a){Blockly.utils.deprecation.warn("BlockSvg.prototype.setDisabled","May 2019","May 2020","BlockSvg.prototype.setEnabled");this.setEnabled(!a)};Blockly.BlockSvg.prototype.setEnabled=function(a){this.isEnabled()!=a&&(Blockly.BlockSvg.superClass_.setEnabled.call(this,a),this.rendered&&!this.getInheritedDisabled()&&this.updateDisabled())};Blockly.BlockSvg.prototype.setHighlighted=function(a){this.rendered&&this.pathObject.updateHighlighted(a)};
-Blockly.BlockSvg.prototype.addSelect=function(){this.pathObject.updateSelected(!0)};Blockly.BlockSvg.prototype.removeSelect=function(){this.pathObject.updateSelected(!1)};Blockly.BlockSvg.prototype.setDeleteStyle=function(a){this.pathObject.updateDraggingDelete(a)};Blockly.BlockSvg.prototype.getColour=function(){return this.style.colourPrimary};
-Blockly.BlockSvg.prototype.setColour=function(a){Blockly.BlockSvg.superClass_.setColour.call(this,a);a=this.workspace.getRenderer().getConstants().getBlockStyleForColour(this.colour_);this.pathObject.setStyle(a.style);this.style=a.style;this.styleName_=a.name;this.applyColour()};
-Blockly.BlockSvg.prototype.setStyle=function(a){var b=this.workspace.getRenderer().getConstants().getBlockStyle(a);this.styleName_=a;if(b)this.hat=b.hat,this.pathObject.setStyle(b),this.colour_=b.colourPrimary,this.style=b,this.applyColour();else throw Error("Invalid style name: "+a);};Blockly.BlockSvg.prototype.bringToFront=function(){var a=this;do{var b=a.getSvgRoot(),c=b.parentNode,d=c.childNodes;d[d.length-1]!==b&&c.appendChild(b);a=a.getParent()}while(a)};
-Blockly.BlockSvg.prototype.setPreviousStatement=function(a,b){Blockly.BlockSvg.superClass_.setPreviousStatement.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours())};Blockly.BlockSvg.prototype.setNextStatement=function(a,b){Blockly.BlockSvg.superClass_.setNextStatement.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours())};Blockly.BlockSvg.prototype.setOutput=function(a,b){Blockly.BlockSvg.superClass_.setOutput.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours())};
-Blockly.BlockSvg.prototype.setInputsInline=function(a){Blockly.BlockSvg.superClass_.setInputsInline.call(this,a);this.rendered&&(this.render(),this.bumpNeighbours())};Blockly.BlockSvg.prototype.removeInput=function(a,b){a=Blockly.BlockSvg.superClass_.removeInput.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours());return a};
-Blockly.BlockSvg.prototype.moveNumberedInputBefore=function(a,b){Blockly.BlockSvg.superClass_.moveNumberedInputBefore.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours())};Blockly.BlockSvg.prototype.appendInput_=function(a,b){a=Blockly.BlockSvg.superClass_.appendInput_.call(this,a,b);this.rendered&&(this.render(),this.bumpNeighbours());return a};
-Blockly.BlockSvg.prototype.setConnectionTracking=function(a){this.previousConnection&&this.previousConnection.setTracking(a);this.outputConnection&&this.outputConnection.setTracking(a);if(this.nextConnection){this.nextConnection.setTracking(a);var b=this.nextConnection.targetBlock();b&&b.setConnectionTracking(a)}if(!this.collapsed_)for(b=0;b<this.inputList.length;b++){var c=this.inputList[b].connection;c&&(c.setTracking(a),(c=c.targetBlock())&&c.setConnectionTracking(a))}};
-Blockly.BlockSvg.prototype.getConnections_=function(a){var b=[];if(a||this.rendered)if(this.outputConnection&&b.push(this.outputConnection),this.previousConnection&&b.push(this.previousConnection),this.nextConnection&&b.push(this.nextConnection),a||!this.collapsed_){a=0;for(var c;c=this.inputList[a];a++)c.connection&&b.push(c.connection)}return b};Blockly.BlockSvg.prototype.lastConnectionInStack=function(){return Blockly.BlockSvg.superClass_.lastConnectionInStack.call(this)};
-Blockly.BlockSvg.prototype.getMatchingConnection=function(a,b){return Blockly.BlockSvg.superClass_.getMatchingConnection.call(this,a,b)};Blockly.BlockSvg.prototype.makeConnection_=function(a){return new Blockly.RenderedConnection(this,a)};
-Blockly.BlockSvg.prototype.bumpNeighbours=function(){if(this.workspace&&!this.workspace.isDragging()){var a=this.getRootBlock();if(!a.isInFlyout)for(var b=this.getConnections_(!1),c=0,d;d=b[c];c++){d.isConnected()&&d.isSuperior()&&d.targetBlock().bumpNeighbours();for(var e=d.neighbours(Blockly.SNAP_RADIUS),f=0,g;g=e[f];f++)d.isConnected()&&g.isConnected()||g.getSourceBlock().getRootBlock()!=a&&(d.isSuperior()?g.bumpAwayFrom(d):d.bumpAwayFrom(g))}}};
-Blockly.BlockSvg.prototype.scheduleSnapAndBump=function(){var a=this,b=Blockly.Events.getGroup();setTimeout(function(){Blockly.Events.setGroup(b);a.snapToGrid();Blockly.Events.setGroup(!1)},Blockly.BUMP_DELAY/2);setTimeout(function(){Blockly.Events.setGroup(b);a.bumpNeighbours();Blockly.Events.setGroup(!1)},Blockly.BUMP_DELAY)};Blockly.BlockSvg.prototype.positionNearConnection=function(a,b){a.type!=Blockly.NEXT_STATEMENT&&a.type!=Blockly.INPUT_VALUE||this.moveBy(b.x-a.x,b.y-a.y)};
-Blockly.BlockSvg.prototype.getParent=function(){return Blockly.BlockSvg.superClass_.getParent.call(this)};Blockly.BlockSvg.prototype.getRootBlock=function(){return Blockly.BlockSvg.superClass_.getRootBlock.call(this)};
-Blockly.BlockSvg.prototype.render=function(a){if(!this.renderIsInProgress_){this.renderIsInProgress_=!0;try{this.rendered=!0;Blockly.utils.dom.startTextWidthCache();this.isCollapsed()&&this.updateCollapsed_();this.workspace.getRenderer().render(this);this.updateConnectionLocations_();if(!1!==a){var b=this.getParent();b?b.render(!0):this.workspace.resizeContents()}Blockly.utils.dom.stopTextWidthCache();this.updateMarkers_()}finally{this.renderIsInProgress_=!1}}};
-Blockly.BlockSvg.prototype.updateMarkers_=function(){this.workspace.keyboardAccessibilityMode&&this.pathObject.cursorSvg&&this.workspace.getCursor().draw();this.workspace.keyboardAccessibilityMode&&this.pathObject.markerSvg&&this.workspace.getMarker(Blockly.navigation.MARKER_NAME).draw()};
-Blockly.BlockSvg.prototype.updateConnectionLocations_=function(){var a=this.getRelativeToSurfaceXY();this.previousConnection&&this.previousConnection.moveToOffset(a);this.outputConnection&&this.outputConnection.moveToOffset(a);for(var b=0;b<this.inputList.length;b++){var c=this.inputList[b].connection;c&&(c.moveToOffset(a),c.isConnected()&&c.tighten())}this.nextConnection&&(this.nextConnection.moveToOffset(a),this.nextConnection.isConnected()&&this.nextConnection.tighten())};
-Blockly.BlockSvg.prototype.setCursorSvg=function(a){this.pathObject.setCursorSvg(a)};Blockly.BlockSvg.prototype.setMarkerSvg=function(a){this.pathObject.setMarkerSvg(a)};Blockly.BlockSvg.prototype.getHeightWidth=function(){var a=this.height,b=this.width,c=this.getNextBlock();if(c){c=c.getHeightWidth();var d=this.workspace.getRenderer().getConstants().NOTCH_HEIGHT;a+=c.height-d;b=Math.max(b,c.width)}return{height:a,width:b}};Blockly.BlockSvg.prototype.fadeForReplacement=function(a){this.pathObject.updateReplacementFade(a)};
-Blockly.BlockSvg.prototype.highlightShapeForInput=function(a,b){this.pathObject.updateShapeForInputHighlight(a,b)};Blockly.blockRendering.useDebugger=!1;Blockly.blockRendering.register=function(a,b){Blockly.registry.register(Blockly.registry.Type.RENDERER,a,b)};Blockly.blockRendering.unregister=function(a){Blockly.registry.unregister(Blockly.registry.Type.RENDERER,a)};Blockly.blockRendering.startDebugger=function(){Blockly.blockRendering.useDebugger=!0};Blockly.blockRendering.stopDebugger=function(){Blockly.blockRendering.useDebugger=!1};
-Blockly.blockRendering.init=function(a,b,c){a=new (Blockly.registry.getClass(Blockly.registry.Type.RENDERER,a))(a);a.init(b,c);return a};Blockly.ConnectionDB=function(a){this.connections_=[];this.connectionChecker_=a};Blockly.ConnectionDB.prototype.addConnection=function(a,b){b=this.calculateIndexForYPos_(b);this.connections_.splice(b,0,a)};
-Blockly.ConnectionDB.prototype.findIndexOfConnection_=function(a,b){if(!this.connections_.length)return-1;var c=this.calculateIndexForYPos_(b);if(c>=this.connections_.length)return-1;b=a.y;for(var d=c;0<=d&&this.connections_[d].y==b;){if(this.connections_[d]==a)return d;d--}for(;c<this.connections_.length&&this.connections_[c].y==b;){if(this.connections_[c]==a)return c;c++}return-1};
-Blockly.ConnectionDB.prototype.calculateIndexForYPos_=function(a){if(!this.connections_.length)return 0;for(var b=0,c=this.connections_.length;b<c;){var d=Math.floor((b+c)/2);if(this.connections_[d].y<a)b=d+1;else if(this.connections_[d].y>a)c=d;else{b=d;break}}return b};Blockly.ConnectionDB.prototype.removeConnection=function(a,b){a=this.findIndexOfConnection_(a,b);if(-1==a)throw Error("Unable to find connection in connectionDB.");this.connections_.splice(a,1)};
-Blockly.ConnectionDB.prototype.getNeighbours=function(a,b){function c(l){var m=e-d[l].x,n=f-d[l].y;Math.sqrt(m*m+n*n)<=b&&k.push(d[l]);return n<b}var d=this.connections_,e=a.x,f=a.y;a=0;for(var g=d.length-2,h=g;a<h;)d[h].y<f?a=h:g=h,h=Math.floor((a+g)/2);var k=[];g=a=h;if(d.length){for(;0<=a&&c(a);)a--;do g++;while(g<d.length&&c(g))}return k};Blockly.ConnectionDB.prototype.isInYRange_=function(a,b,c){return Math.abs(this.connections_[a].y-b)<=c};
-Blockly.ConnectionDB.prototype.searchForClosest=function(a,b,c){if(!this.connections_.length)return{connection:null,radius:b};var d=a.y,e=a.x;a.x=e+c.x;a.y=d+c.y;var f=this.calculateIndexForYPos_(a.y);c=null;for(var g=b,h,k=f-1;0<=k&&this.isInYRange_(k,a.y,b);)h=this.connections_[k],this.connectionChecker_.canConnect(a,h,!0,g)&&(c=h,g=h.distanceFrom(a)),k--;for(;f<this.connections_.length&&this.isInYRange_(f,a.y,b);)h=this.connections_[f],this.connectionChecker_.canConnect(a,h,!0,g)&&(c=h,g=h.distanceFrom(a)),
-f++;a.x=e;a.y=d;return{connection:c,radius:g}};Blockly.ConnectionDB.init=function(a){var b=[];b[Blockly.INPUT_VALUE]=new Blockly.ConnectionDB(a);b[Blockly.OUTPUT_VALUE]=new Blockly.ConnectionDB(a);b[Blockly.NEXT_STATEMENT]=new Blockly.ConnectionDB(a);b[Blockly.PREVIOUS_STATEMENT]=new Blockly.ConnectionDB(a);return b};Blockly.MarkerManager=function(a){this.cursorSvg_=this.cursor_=null;this.markers_={};this.workspace_=a};Blockly.MarkerManager.prototype.registerMarker=function(a,b){this.markers_[a]&&this.unregisterMarker(a);b.setDrawer(this.workspace_.getRenderer().makeMarkerDrawer(this.workspace_,b));this.setMarkerSvg(b.getDrawer().createDom());this.markers_[a]=b};
-Blockly.MarkerManager.prototype.unregisterMarker=function(a){var b=this.markers_[a];if(b)b.dispose(),delete this.markers_[a];else throw Error("Marker with id "+a+" does not exist. Can only unregistermarkers that exist.");};Blockly.MarkerManager.prototype.getCursor=function(){return this.cursor_};Blockly.MarkerManager.prototype.getMarker=function(a){return this.markers_[a]};
-Blockly.MarkerManager.prototype.setCursor=function(a){this.cursor_&&this.cursor_.getDrawer()&&this.cursor_.getDrawer().dispose();if(this.cursor_=a)a=this.workspace_.getRenderer().makeMarkerDrawer(this.workspace_,this.cursor_),this.cursor_.setDrawer(a),this.setCursorSvg(this.cursor_.getDrawer().createDom())};Blockly.MarkerManager.prototype.setCursorSvg=function(a){a?(this.workspace_.getBlockCanvas().appendChild(a),this.cursorSvg_=a):this.cursorSvg_=null};
-Blockly.MarkerManager.prototype.setMarkerSvg=function(a){a?this.workspace_.getBlockCanvas()&&(this.cursorSvg_?this.workspace_.getBlockCanvas().insertBefore(a,this.cursorSvg_):this.workspace_.getBlockCanvas().appendChild(a)):this.markerSvg_=null};Blockly.MarkerManager.prototype.updateMarkers=function(){this.workspace_.keyboardAccessibilityMode&&this.cursorSvg_&&this.workspace_.getCursor().draw()};
-Blockly.MarkerManager.prototype.dispose=function(){for(var a=Object.keys(this.markers_),b=0,c;c=a[b];b++)this.unregisterMarker(c);this.markers_=null;this.cursor_&&(this.cursor_.dispose(),this.cursor_=null)};Blockly.ThemeManager=function(a,b){this.workspace_=a;this.theme_=b;this.subscribedWorkspaces_=[];this.componentDB_=Object.create(null)};Blockly.ThemeManager.prototype.getTheme=function(){return this.theme_};
-Blockly.ThemeManager.prototype.setTheme=function(a){var b=this.theme_;this.theme_=a;if(a=this.workspace_.getInjectionDiv())b&&Blockly.utils.dom.removeClass(a,b.getClassName()),Blockly.utils.dom.addClass(a,this.theme_.getClassName());for(b=0;a=this.subscribedWorkspaces_[b];b++)a.refreshTheme();b=0;a=Object.keys(this.componentDB_);for(var c;c=a[b];b++)for(var d=0,e;e=this.componentDB_[c][d];d++){var f=e.element;e=e.propertyName;var g=this.theme_&&this.theme_.getComponentStyle(c);f.style[e]=g||""}Blockly.hideChaff()};
-Blockly.ThemeManager.prototype.subscribeWorkspace=function(a){this.subscribedWorkspaces_.push(a)};Blockly.ThemeManager.prototype.unsubscribeWorkspace=function(a){a=this.subscribedWorkspaces_.indexOf(a);if(0>a)throw Error("Cannot unsubscribe a workspace that hasn't been subscribed.");this.subscribedWorkspaces_.splice(a,1)};
-Blockly.ThemeManager.prototype.subscribe=function(a,b,c){this.componentDB_[b]||(this.componentDB_[b]=[]);this.componentDB_[b].push({element:a,propertyName:c});b=this.theme_&&this.theme_.getComponentStyle(b);a.style[c]=b||""};Blockly.ThemeManager.prototype.unsubscribe=function(a){if(a)for(var b=Object.keys(this.componentDB_),c=0,d;d=b[c];c++){for(var e=this.componentDB_[d],f=e.length-1;0<=f;f--)e[f].element===a&&e.splice(f,1);this.componentDB_[d].length||delete this.componentDB_[d]}};
-Blockly.ThemeManager.prototype.dispose=function(){this.componentDB_=this.subscribedWorkspaces_=this.theme_=this.owner_=null};Blockly.TouchGesture=function(a,b){Blockly.TouchGesture.superClass_.constructor.call(this,a,b);this.isMultiTouch_=!1;this.cachedPoints_=Object.create(null);this.startDistance_=this.previousScale_=0;this.isPinchZoomEnabled_=this.onStartWrapper_=null};Blockly.utils.object.inherits(Blockly.TouchGesture,Blockly.Gesture);Blockly.TouchGesture.ZOOM_IN_MULTIPLIER=5;Blockly.TouchGesture.ZOOM_OUT_MULTIPLIER=6;
-Blockly.TouchGesture.prototype.doStart=function(a){this.isPinchZoomEnabled_=this.startWorkspace_.options.zoomOptions&&this.startWorkspace_.options.zoomOptions.pinch;Blockly.TouchGesture.superClass_.doStart.call(this,a);!this.isEnding_&&Blockly.Touch.isTouchEvent(a)&&this.handleTouchStart(a)};
-Blockly.TouchGesture.prototype.bindMouseEvents=function(a){this.onStartWrapper_=Blockly.bindEventWithChecks_(document,"mousedown",null,this.handleStart.bind(this),!0);this.onMoveWrapper_=Blockly.bindEventWithChecks_(document,"mousemove",null,this.handleMove.bind(this),!0);this.onUpWrapper_=Blockly.bindEventWithChecks_(document,"mouseup",null,this.handleUp.bind(this),!0);a.preventDefault();a.stopPropagation()};
-Blockly.TouchGesture.prototype.handleStart=function(a){!this.isDragging()&&Blockly.Touch.isTouchEvent(a)&&(this.handleTouchStart(a),this.isMultiTouch()&&Blockly.longStop_())};Blockly.TouchGesture.prototype.handleMove=function(a){this.isDragging()?Blockly.Touch.shouldHandleEvent(a)&&Blockly.TouchGesture.superClass_.handleMove.call(this,a):this.isMultiTouch()?(Blockly.Touch.isTouchEvent(a)&&this.handleTouchMove(a),Blockly.longStop_()):Blockly.TouchGesture.superClass_.handleMove.call(this,a)};
-Blockly.TouchGesture.prototype.handleUp=function(a){Blockly.Touch.isTouchEvent(a)&&!this.isDragging()&&this.handleTouchEnd(a);!this.isMultiTouch()||this.isDragging()?Blockly.Touch.shouldHandleEvent(a)&&Blockly.TouchGesture.superClass_.handleUp.call(this,a):(a.preventDefault(),a.stopPropagation(),this.dispose())};Blockly.TouchGesture.prototype.isMultiTouch=function(){return this.isMultiTouch_};
-Blockly.TouchGesture.prototype.dispose=function(){Blockly.TouchGesture.superClass_.dispose.call(this);this.onStartWrapper_&&Blockly.unbindEvent_(this.onStartWrapper_)};Blockly.TouchGesture.prototype.handleTouchStart=function(a){var b=Blockly.Touch.getTouchIdentifierFromEvent(a);this.cachedPoints_[b]=this.getTouchPoint(a);b=Object.keys(this.cachedPoints_);2==b.length&&(this.startDistance_=Blockly.utils.Coordinate.distance(this.cachedPoints_[b[0]],this.cachedPoints_[b[1]]),this.isMultiTouch_=!0,a.preventDefault())};
-Blockly.TouchGesture.prototype.handleTouchMove=function(a){var b=Blockly.Touch.getTouchIdentifierFromEvent(a);this.cachedPoints_[b]=this.getTouchPoint(a);b=Object.keys(this.cachedPoints_);this.isPinchZoomEnabled_&&2===b.length?this.handlePinch_(a):Blockly.TouchGesture.superClass_.handleMove.call(this,a)};
-Blockly.TouchGesture.prototype.handlePinch_=function(a){var b=Object.keys(this.cachedPoints_);b=Blockly.utils.Coordinate.distance(this.cachedPoints_[b[0]],this.cachedPoints_[b[1]])/this.startDistance_;if(0<this.previousScale_&&Infinity>this.previousScale_){var c=b-this.previousScale_;c=0<c?c*Blockly.TouchGesture.ZOOM_IN_MULTIPLIER:c*Blockly.TouchGesture.ZOOM_OUT_MULTIPLIER;var d=this.startWorkspace_,e=Blockly.utils.mouseToSvg(a,d.getParentSvg(),d.getInverseScreenCTM());d.zoom(e.x,e.y,c)}this.previousScale_=
-b;a.preventDefault()};Blockly.TouchGesture.prototype.handleTouchEnd=function(a){a=Blockly.Touch.getTouchIdentifierFromEvent(a);this.cachedPoints_[a]&&delete this.cachedPoints_[a];2>Object.keys(this.cachedPoints_).length&&(this.cachedPoints_=Object.create(null),this.previousScale_=0)};Blockly.TouchGesture.prototype.getTouchPoint=function(a){return this.startWorkspace_?new Blockly.utils.Coordinate(a.pageX?a.pageX:a.changedTouches[0].pageX,a.pageY?a.pageY:a.changedTouches[0].pageY):null};Blockly.WorkspaceAudio=function(a){this.parentWorkspace_=a;this.SOUNDS_=Object.create(null)};Blockly.WorkspaceAudio.prototype.lastSound_=null;Blockly.WorkspaceAudio.prototype.dispose=function(){this.SOUNDS_=this.parentWorkspace_=null};
-Blockly.WorkspaceAudio.prototype.load=function(a,b){if(a.length){try{var c=new Blockly.utils.global.Audio}catch(h){return}for(var d,e=0;e<a.length;e++){var f=a[e],g=f.match(/\.(\w+)$/);if(g&&c.canPlayType("audio/"+g[1])){d=new Blockly.utils.global.Audio(f);break}}d&&d.play&&(this.SOUNDS_[b]=d)}};
-Blockly.WorkspaceAudio.prototype.preload=function(){for(var a in this.SOUNDS_){var b=this.SOUNDS_[a];b.volume=.01;var c=b.play();void 0!==c?c.then(b.pause).catch(function(){}):b.pause();if(Blockly.utils.userAgent.IPAD||Blockly.utils.userAgent.IPHONE)break}};
-Blockly.WorkspaceAudio.prototype.play=function(a,b){var c=this.SOUNDS_[a];c?(a=new Date,null!=this.lastSound_&&a-this.lastSound_<Blockly.SOUND_LIMIT||(this.lastSound_=a,c=Blockly.utils.userAgent.IPAD||Blockly.utils.userAgent.ANDROID?c:c.cloneNode(),c.volume=void 0===b?1:b,c.play())):this.parentWorkspace_&&this.parentWorkspace_.getAudioManager().play(a,b)};Blockly.WorkspaceSvg=function(a,b,c){Blockly.WorkspaceSvg.superClass_.constructor.call(this,a);this.getMetrics=a.getMetrics||Blockly.WorkspaceSvg.getTopLevelWorkspaceMetrics_;this.setMetrics=a.setMetrics||Blockly.WorkspaceSvg.setTopLevelWorkspaceMetrics_;this.connectionDBList=Blockly.ConnectionDB.init(this.connectionChecker);b&&(this.blockDragSurface_=b);c&&(this.workspaceDragSurface_=c);this.useWorkspaceDragSurface_=!!this.workspaceDragSurface_&&Blockly.utils.is3dSupported();this.highlightedBlocks_=
-[];this.audioManager_=new Blockly.WorkspaceAudio(a.parentWorkspace);this.grid_=this.options.gridPattern?new Blockly.Grid(this.options.gridPattern,a.gridOptions):null;this.markerManager_=new Blockly.MarkerManager(this);this.toolboxCategoryCallbacks_={};this.flyoutButtonCallbacks_={};Blockly.Variables&&Blockly.Variables.flyoutCategory&&this.registerToolboxCategoryCallback(Blockly.VARIABLE_CATEGORY_NAME,Blockly.Variables.flyoutCategory);Blockly.VariablesDynamic&&Blockly.VariablesDynamic.flyoutCategory&&
-this.registerToolboxCategoryCallback(Blockly.VARIABLE_DYNAMIC_CATEGORY_NAME,Blockly.VariablesDynamic.flyoutCategory);Blockly.Procedures&&Blockly.Procedures.flyoutCategory&&(this.registerToolboxCategoryCallback(Blockly.PROCEDURE_CATEGORY_NAME,Blockly.Procedures.flyoutCategory),this.addChangeListener(Blockly.Procedures.mutatorOpenListener));this.themeManager_=this.options.parentWorkspace?this.options.parentWorkspace.getThemeManager():new Blockly.ThemeManager(this,this.options.theme||Blockly.Themes.Classic);
-this.themeManager_.subscribeWorkspace(this);this.renderer_=Blockly.blockRendering.init(this.options.renderer||"geras",this.getTheme(),this.options.rendererOverrides);this.cachedParentSvg_=null;this.keyboardAccessibilityMode=!1;this.topBoundedElements_=[]};Blockly.utils.object.inherits(Blockly.WorkspaceSvg,Blockly.Workspace);Blockly.WorkspaceSvg.prototype.resizeHandlerWrapper_=null;Blockly.WorkspaceSvg.prototype.rendered=!0;Blockly.WorkspaceSvg.prototype.isVisible_=!0;
-Blockly.WorkspaceSvg.prototype.isFlyout=!1;Blockly.WorkspaceSvg.prototype.isMutator=!1;Blockly.WorkspaceSvg.prototype.resizesEnabled_=!0;Blockly.WorkspaceSvg.prototype.scrollX=0;Blockly.WorkspaceSvg.prototype.scrollY=0;Blockly.WorkspaceSvg.prototype.startScrollX=0;Blockly.WorkspaceSvg.prototype.startScrollY=0;Blockly.WorkspaceSvg.prototype.dragDeltaXY_=null;Blockly.WorkspaceSvg.prototype.scale=1;Blockly.WorkspaceSvg.prototype.trashcan=null;Blockly.WorkspaceSvg.prototype.scrollbar=null;
-Blockly.WorkspaceSvg.prototype.flyout_=null;Blockly.WorkspaceSvg.prototype.toolbox_=null;Blockly.WorkspaceSvg.prototype.currentGesture_=null;Blockly.WorkspaceSvg.prototype.blockDragSurface_=null;Blockly.WorkspaceSvg.prototype.workspaceDragSurface_=null;Blockly.WorkspaceSvg.prototype.useWorkspaceDragSurface_=!1;Blockly.WorkspaceSvg.prototype.isDragSurfaceActive_=!1;Blockly.WorkspaceSvg.prototype.injectionDiv_=null;Blockly.WorkspaceSvg.prototype.lastRecordedPageScroll_=null;
-Blockly.WorkspaceSvg.prototype.targetWorkspace=null;Blockly.WorkspaceSvg.prototype.inverseScreenCTM_=null;Blockly.WorkspaceSvg.prototype.inverseScreenCTMDirty_=!0;Blockly.WorkspaceSvg.prototype.getMarkerManager=function(){return this.markerManager_};Blockly.WorkspaceSvg.prototype.setCursorSvg=function(a){this.markerManager_.setCursorSvg(a)};Blockly.WorkspaceSvg.prototype.setMarkerSvg=function(a){this.markerManager_.setMarkerSvg(a)};
-Blockly.WorkspaceSvg.prototype.getMarker=function(a){return this.markerManager_?this.markerManager_.getMarker(a):null};Blockly.WorkspaceSvg.prototype.getCursor=function(){return this.markerManager_?this.markerManager_.getCursor():null};Blockly.WorkspaceSvg.prototype.getRenderer=function(){return this.renderer_};Blockly.WorkspaceSvg.prototype.getThemeManager=function(){return this.themeManager_};Blockly.WorkspaceSvg.prototype.getTheme=function(){return this.themeManager_.getTheme()};
-Blockly.WorkspaceSvg.prototype.setTheme=function(a){a||(a=Blockly.Themes.Classic);this.themeManager_.setTheme(a)};
-Blockly.WorkspaceSvg.prototype.refreshTheme=function(){this.svgGroup_&&this.renderer_.refreshDom(this.svgGroup_,this.getTheme());this.updateBlockStyles_(this.getAllBlocks(!1).filter(function(b){return void 0!==b.getStyleName()}));this.refreshToolboxSelection();this.toolbox_&&this.toolbox_.refreshTheme();this.isVisible()&&this.setVisible(!0);var a=new Blockly.Events.Ui(null,"theme",null,null);a.workspaceId=this.id;Blockly.Events.fire(a)};
-Blockly.WorkspaceSvg.prototype.updateBlockStyles_=function(a){for(var b=0,c;c=a[b];b++){var d=c.getStyleName();d&&(c.setStyle(d),c.mutator&&c.mutator.updateBlockStyle())}};Blockly.WorkspaceSvg.prototype.getInverseScreenCTM=function(){if(this.inverseScreenCTMDirty_){var a=this.getParentSvg().getScreenCTM();a&&(this.inverseScreenCTM_=a.inverse(),this.inverseScreenCTMDirty_=!1)}return this.inverseScreenCTM_};
-Blockly.WorkspaceSvg.prototype.updateInverseScreenCTM=function(){this.inverseScreenCTMDirty_=!0};Blockly.WorkspaceSvg.prototype.isVisible=function(){return this.isVisible_};
-Blockly.WorkspaceSvg.prototype.getSvgXY=function(a){var b=0,c=0,d=1;if(Blockly.utils.dom.containsNode(this.getCanvas(),a)||Blockly.utils.dom.containsNode(this.getBubbleCanvas(),a))d=this.scale;do{var e=Blockly.utils.getRelativeXY(a);if(a==this.getCanvas()||a==this.getBubbleCanvas())d=1;b+=e.x*d;c+=e.y*d;a=a.parentNode}while(a&&a!=this.getParentSvg());return new Blockly.utils.Coordinate(b,c)};Blockly.WorkspaceSvg.prototype.getOriginOffsetInPixels=function(){return Blockly.utils.getInjectionDivXY_(this.getCanvas())};
-Blockly.WorkspaceSvg.prototype.getInjectionDiv=function(){if(!this.injectionDiv_)for(var a=this.svgGroup_;a;){if(-1!=(" "+(a.getAttribute("class")||"")+" ").indexOf(" injectionDiv ")){this.injectionDiv_=a;break}a=a.parentNode}return this.injectionDiv_};Blockly.WorkspaceSvg.prototype.getBlockCanvas=function(){return this.svgBlockCanvas_};Blockly.WorkspaceSvg.prototype.setResizeHandlerWrapper=function(a){this.resizeHandlerWrapper_=a};
-Blockly.WorkspaceSvg.prototype.createDom=function(a){this.svgGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{"class":"blocklyWorkspace"},null);a&&(this.svgBackground_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{height:"100%",width:"100%","class":a},this.svgGroup_),"blocklyMainBackground"==a&&this.grid_?this.svgBackground_.style.fill="url(#"+this.grid_.getPatternId()+")":this.themeManager_.subscribe(this.svgBackground_,"workspaceBackgroundColour","fill"));this.svgBlockCanvas_=
-Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{"class":"blocklyBlockCanvas"},this.svgGroup_);this.svgBubbleCanvas_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{"class":"blocklyBubbleCanvas"},this.svgGroup_);this.isFlyout||(Blockly.bindEventWithChecks_(this.svgGroup_,"mousedown",this,this.onMouseDown_,!1,!0),Blockly.bindEventWithChecks_(this.svgGroup_,"wheel",this,this.onMouseWheel_));if(this.options.hasCategories){if(!Blockly.Toolbox)throw Error("Missing require for Blockly.Toolbox");
-this.toolbox_=new (Blockly.registry.getClassFromOptions(Blockly.registry.Type.TOOLBOX,this.options))(this)}this.grid_&&this.grid_.update(this.scale);this.recordDeleteAreas();this.markerManager_.setCursor(new Blockly.Cursor);this.markerManager_.registerMarker(Blockly.navigation.MARKER_NAME,new Blockly.Marker);this.renderer_.createDom(this.svgGroup_,this.getTheme());return this.svgGroup_};
-Blockly.WorkspaceSvg.prototype.dispose=function(){this.rendered=!1;this.currentGesture_&&this.currentGesture_.cancel();this.svgGroup_&&(Blockly.utils.dom.removeNode(this.svgGroup_),this.svgGroup_=null);this.svgBubbleCanvas_=this.svgBlockCanvas_=null;this.toolbox_&&(this.toolbox_.dispose(),this.toolbox_=null);this.flyout_&&(this.flyout_.dispose(),this.flyout_=null);this.trashcan&&(this.trashcan.dispose(),this.trashcan=null);this.scrollbar&&(this.scrollbar.dispose(),this.scrollbar=null);this.zoomControls_&&
-(this.zoomControls_.dispose(),this.zoomControls_=null);this.audioManager_&&(this.audioManager_.dispose(),this.audioManager_=null);this.grid_&&(this.grid_.dispose(),this.grid_=null);this.renderer_.dispose();this.markerManager_&&(this.markerManager_.dispose(),this.markerManager_=null);Blockly.WorkspaceSvg.superClass_.dispose.call(this);this.themeManager_&&(this.themeManager_.unsubscribeWorkspace(this),this.themeManager_.unsubscribe(this.svgBackground_),this.options.parentWorkspace||(this.themeManager_.dispose(),
-this.themeManager_=null));this.flyoutButtonCallbacks_=this.toolboxCategoryCallbacks_=this.connectionDBList=null;if(!this.options.parentWorkspace){var a=this.getParentSvg();a&&a.parentNode&&Blockly.utils.dom.removeNode(a.parentNode)}this.resizeHandlerWrapper_&&(Blockly.unbindEvent_(this.resizeHandlerWrapper_),this.resizeHandlerWrapper_=null)};Blockly.WorkspaceSvg.prototype.newBlock=function(a,b){return new Blockly.BlockSvg(this,a,b)};
-Blockly.WorkspaceSvg.prototype.addTrashcan=function(){if(!Blockly.Trashcan)throw Error("Missing require for Blockly.Trashcan");this.trashcan=new Blockly.Trashcan(this);var a=this.trashcan.createDom();this.svgGroup_.insertBefore(a,this.svgBlockCanvas_)};Blockly.WorkspaceSvg.prototype.addZoomControls=function(){if(!Blockly.ZoomControls)throw Error("Missing require for Blockly.ZoomControls");this.zoomControls_=new Blockly.ZoomControls(this);var a=this.zoomControls_.createDom();this.svgGroup_.appendChild(a)};
-Blockly.WorkspaceSvg.prototype.addFlyout=function(a){var b=new Blockly.Options({parentWorkspace:this,rtl:this.RTL,oneBasedIndex:this.options.oneBasedIndex,horizontalLayout:this.horizontalLayout,renderer:this.options.renderer,rendererOverrides:this.options.rendererOverrides});b.toolboxPosition=this.options.toolboxPosition;if(this.horizontalLayout){if(!Blockly.HorizontalFlyout)throw Error("Missing require for Blockly.HorizontalFlyout");this.flyout_=new Blockly.HorizontalFlyout(b)}else{if(!Blockly.VerticalFlyout)throw Error("Missing require for Blockly.VerticalFlyout");
-this.flyout_=new Blockly.VerticalFlyout(b)}this.flyout_.autoClose=!1;this.flyout_.getWorkspace().setVisible(!0);return this.flyout_.createDom(a)};Blockly.WorkspaceSvg.prototype.getFlyout=function(a){return this.flyout_||a?this.flyout_:this.toolbox_?this.toolbox_.getFlyout():null};Blockly.WorkspaceSvg.prototype.getToolbox=function(){return this.toolbox_};Blockly.WorkspaceSvg.prototype.updateScreenCalculations_=function(){this.updateInverseScreenCTM();this.recordDeleteAreas()};
-Blockly.WorkspaceSvg.prototype.resizeContents=function(){this.resizesEnabled_&&this.rendered&&(this.scrollbar&&this.scrollbar.resize(),this.updateInverseScreenCTM())};Blockly.WorkspaceSvg.prototype.resize=function(){this.toolbox_&&this.toolbox_.position();this.flyout_&&this.flyout_.position();this.trashcan&&this.trashcan.position();this.zoomControls_&&this.zoomControls_.position();this.scrollbar&&this.scrollbar.resize();this.updateScreenCalculations_()};
-Blockly.WorkspaceSvg.prototype.updateScreenCalculationsIfScrolled=function(){var a=Blockly.utils.getDocumentScroll();Blockly.utils.Coordinate.equals(this.lastRecordedPageScroll_,a)||(this.lastRecordedPageScroll_=a,this.updateScreenCalculations_())};Blockly.WorkspaceSvg.prototype.getCanvas=function(){return this.svgBlockCanvas_};Blockly.WorkspaceSvg.prototype.getBubbleCanvas=function(){return this.svgBubbleCanvas_};
-Blockly.WorkspaceSvg.prototype.getParentSvg=function(){if(!this.cachedParentSvg_)for(var a=this.svgGroup_;a;){if("svg"==a.tagName){this.cachedParentSvg_=a;break}a=a.parentNode}return this.cachedParentSvg_};Blockly.WorkspaceSvg.prototype.maybeFireViewportChangeEvent=function(){};
-Blockly.WorkspaceSvg.prototype.translate=function(a,b){if(this.useWorkspaceDragSurface_&&this.isDragSurfaceActive_)this.workspaceDragSurface_.translateSurface(a,b);else{var c="translate("+a+","+b+") scale("+this.scale+")";this.svgBlockCanvas_.setAttribute("transform",c);this.svgBubbleCanvas_.setAttribute("transform",c)}this.blockDragSurface_&&this.blockDragSurface_.translateAndScaleGroup(a,b,this.scale);this.grid_&&this.grid_.moveTo(a,b);this.maybeFireViewportChangeEvent()};
-Blockly.WorkspaceSvg.prototype.resetDragSurface=function(){if(this.useWorkspaceDragSurface_){this.isDragSurfaceActive_=!1;var a=this.workspaceDragSurface_.getSurfaceTranslation();this.workspaceDragSurface_.clearAndHide(this.svgGroup_);a="translate("+a.x+","+a.y+") scale("+this.scale+")";this.svgBlockCanvas_.setAttribute("transform",a);this.svgBubbleCanvas_.setAttribute("transform",a)}};
-Blockly.WorkspaceSvg.prototype.setupDragSurface=function(){if(this.useWorkspaceDragSurface_&&!this.isDragSurfaceActive_){this.isDragSurfaceActive_=!0;var a=this.svgBlockCanvas_.previousSibling,b=parseInt(this.getParentSvg().getAttribute("width"),10),c=parseInt(this.getParentSvg().getAttribute("height"),10),d=Blockly.utils.getRelativeXY(this.getCanvas());this.workspaceDragSurface_.setContentsAndShow(this.getCanvas(),this.getBubbleCanvas(),a,b,c,this.scale);this.workspaceDragSurface_.translateSurface(d.x,
-d.y)}};Blockly.WorkspaceSvg.prototype.getBlockDragSurface=function(){return this.blockDragSurface_};Blockly.WorkspaceSvg.prototype.getWidth=function(){var a=this.getMetrics();return a?a.viewWidth/this.scale:0};
-Blockly.WorkspaceSvg.prototype.setVisible=function(a){this.isVisible_=a;if(this.svgGroup_)if(this.scrollbar&&this.scrollbar.setContainerVisible(a),this.getFlyout()&&this.getFlyout().setContainerVisible(a),this.getParentSvg().style.display=a?"block":"none",this.toolbox_&&this.toolbox_.setVisible(a),a){a=this.getAllBlocks(!1);for(var b=a.length-1;0<=b;b--)a[b].markDirty();this.render();this.toolbox_&&this.toolbox_.position()}else Blockly.hideChaff(!0)};
-Blockly.WorkspaceSvg.prototype.render=function(){for(var a=this.getAllBlocks(!1),b=a.length-1;0<=b;b--)a[b].render(!1);if(this.currentGesture_)for(a=this.currentGesture_.getInsertionMarkers(),b=0;b<a.length;b++)a[b].render(!1);this.markerManager_.updateMarkers()};
-Blockly.WorkspaceSvg.prototype.highlightBlock=function(a,b){if(void 0===b){for(var c=0,d;d=this.highlightedBlocks_[c];c++)d.setHighlighted(!1);this.highlightedBlocks_.length=0}if(d=a?this.getBlockById(a):null)(a=void 0===b||b)?-1==this.highlightedBlocks_.indexOf(d)&&this.highlightedBlocks_.push(d):Blockly.utils.arrayRemove(this.highlightedBlocks_,d),d.setHighlighted(a)};
-Blockly.WorkspaceSvg.prototype.paste=function(a){!this.rendered||!a.tagName||a.getElementsByTagName("block").length>=this.remainingCapacity()||(this.currentGesture_&&this.currentGesture_.cancel(),"comment"==a.tagName.toLowerCase()?this.pasteWorkspaceComment_(a):this.pasteBlock_(a))};
-Blockly.WorkspaceSvg.prototype.pasteBlock_=function(a){Blockly.Events.disable();try{var b=Blockly.Xml.domToBlock(a,this),c=this.getMarker(Blockly.navigation.MARKER_NAME).getCurNode();if(this.keyboardAccessibilityMode&&c&&c.isConnection()){var d=c.getLocation();Blockly.navigation.insertBlock(b,d);return}var e=parseInt(a.getAttribute("x"),10),f=parseInt(a.getAttribute("y"),10);if(!isNaN(e)&&!isNaN(f)){this.RTL&&(e=-e);do{a=!1;var g=this.getAllBlocks(!1);c=0;for(var h;h=g[c];c++){var k=h.getRelativeToSurfaceXY();
-if(1>=Math.abs(e-k.x)&&1>=Math.abs(f-k.y)){a=!0;break}}if(!a){var l=b.getConnections_(!1);c=0;for(var m;m=l[c];c++)if(m.closest(Blockly.SNAP_RADIUS,new Blockly.utils.Coordinate(e,f)).connection){a=!0;break}}a&&(e=this.RTL?e-Blockly.SNAP_RADIUS:e+Blockly.SNAP_RADIUS,f+=2*Blockly.SNAP_RADIUS)}while(a);b.moveBy(e,f)}}finally{Blockly.Events.enable()}Blockly.Events.isEnabled()&&!b.isShadow()&&Blockly.Events.fire(new Blockly.Events.BlockCreate(b));b.select()};
-Blockly.WorkspaceSvg.prototype.pasteWorkspaceComment_=function(a){Blockly.Events.disable();try{var b=Blockly.WorkspaceCommentSvg.fromXml(a,this),c=parseInt(a.getAttribute("x"),10),d=parseInt(a.getAttribute("y"),10);isNaN(c)||isNaN(d)||(this.RTL&&(c=-c),b.moveBy(c+50,d+50))}finally{Blockly.Events.enable()}Blockly.Events.isEnabled();b.select()};
-Blockly.WorkspaceSvg.prototype.refreshToolboxSelection=function(){var a=this.isFlyout?this.targetWorkspace:this;a&&!a.currentGesture_&&a.toolbox_&&a.toolbox_.getFlyout()&&a.toolbox_.refreshSelection()};Blockly.WorkspaceSvg.prototype.renameVariableById=function(a,b){Blockly.WorkspaceSvg.superClass_.renameVariableById.call(this,a,b);this.refreshToolboxSelection()};Blockly.WorkspaceSvg.prototype.deleteVariableById=function(a){Blockly.WorkspaceSvg.superClass_.deleteVariableById.call(this,a);this.refreshToolboxSelection()};
-Blockly.WorkspaceSvg.prototype.createVariable=function(a,b,c){a=Blockly.WorkspaceSvg.superClass_.createVariable.call(this,a,b,c);this.refreshToolboxSelection();return a};Blockly.WorkspaceSvg.prototype.recordDeleteAreas=function(){this.deleteAreaTrash_=this.trashcan&&this.svgGroup_.parentNode?this.trashcan.getClientRect():null;this.deleteAreaToolbox_=this.flyout_?this.flyout_.getClientRect():this.toolbox_&&"function"==typeof this.toolbox_.getClientRect?this.toolbox_.getClientRect():null};
-Blockly.WorkspaceSvg.prototype.isDeleteArea=function(a){return this.deleteAreaTrash_&&this.deleteAreaTrash_.contains(a.clientX,a.clientY)?Blockly.DELETE_AREA_TRASH:this.deleteAreaToolbox_&&this.deleteAreaToolbox_.contains(a.clientX,a.clientY)?Blockly.DELETE_AREA_TOOLBOX:Blockly.DELETE_AREA_NONE};Blockly.WorkspaceSvg.prototype.onMouseDown_=function(a){var b=this.getGesture(a);b&&b.handleWsStart(a,this)};
-Blockly.WorkspaceSvg.prototype.startDrag=function(a,b){a=Blockly.utils.mouseToSvg(a,this.getParentSvg(),this.getInverseScreenCTM());a.x/=this.scale;a.y/=this.scale;this.dragDeltaXY_=Blockly.utils.Coordinate.difference(b,a)};Blockly.WorkspaceSvg.prototype.moveDrag=function(a){a=Blockly.utils.mouseToSvg(a,this.getParentSvg(),this.getInverseScreenCTM());a.x/=this.scale;a.y/=this.scale;return Blockly.utils.Coordinate.sum(this.dragDeltaXY_,a)};
-Blockly.WorkspaceSvg.prototype.isDragging=function(){return null!=this.currentGesture_&&this.currentGesture_.isDragging()};Blockly.WorkspaceSvg.prototype.isDraggable=function(){return this.options.moveOptions&&this.options.moveOptions.drag};
-Blockly.WorkspaceSvg.prototype.isContentBounded=function(){return this.options.moveOptions&&this.options.moveOptions.scrollbars||this.options.moveOptions&&this.options.moveOptions.wheel||this.options.moveOptions&&this.options.moveOptions.drag||this.options.zoomOptions&&this.options.zoomOptions.controls||this.options.zoomOptions&&this.options.zoomOptions.wheel||this.options.zoomOptions&&this.options.zoomOptions.pinch};
-Blockly.WorkspaceSvg.prototype.isMovable=function(){return this.options.moveOptions&&this.options.moveOptions.scrollbars||this.options.moveOptions&&this.options.moveOptions.wheel||this.options.moveOptions&&this.options.moveOptions.drag||this.options.zoomOptions&&this.options.zoomOptions.wheel||this.options.zoomOptions&&this.options.zoomOptions.pinch};
-Blockly.WorkspaceSvg.prototype.onMouseWheel_=function(a){if(Blockly.Gesture.inProgress())a.preventDefault(),a.stopPropagation();else{var b=this.options.zoomOptions&&this.options.zoomOptions.wheel,c=this.options.moveOptions&&this.options.moveOptions.wheel;if(b||c){var d=Blockly.utils.getScrollDeltaPixels(a);!b||!a.ctrlKey&&c?(b=this.scrollX-d.x,c=this.scrollY-d.y,a.shiftKey&&!d.x&&(b=this.scrollX-d.y,c=this.scrollY),this.scroll(b,c)):(d=-d.y/50,b=Blockly.utils.mouseToSvg(a,this.getParentSvg(),this.getInverseScreenCTM()),
-this.zoom(b.x,b.y,d));a.preventDefault()}}};Blockly.WorkspaceSvg.prototype.getBlocksBoundingBox=function(){var a=this.getTopBoundedElements();if(!a.length)return new Blockly.utils.Rect(0,0,0,0);for(var b=a[0].getBoundingRectangle(),c=1;c<a.length;c++){var d=a[c].getBoundingRectangle();d.top<b.top&&(b.top=d.top);d.bottom>b.bottom&&(b.bottom=d.bottom);d.left<b.left&&(b.left=d.left);d.right>b.right&&(b.right=d.right)}return b};
-Blockly.WorkspaceSvg.prototype.cleanUp=function(){this.setResizesEnabled(!1);Blockly.Events.setGroup(!0);for(var a=this.getTopBlocks(!0),b=0,c=0,d;d=a[c];c++)if(d.isMovable()){var e=d.getRelativeToSurfaceXY();d.moveBy(-e.x,b-e.y);d.snapToGrid();b=d.getRelativeToSurfaceXY().y+d.getHeightWidth().height+this.renderer_.getConstants().MIN_BLOCK_HEIGHT}Blockly.Events.setGroup(!1);this.setResizesEnabled(!0)};
-Blockly.WorkspaceSvg.prototype.showContextMenu=function(a){if(!this.options.readOnly&&!this.isFlyout){var b=Blockly.ContextMenuRegistry.registry.getContextMenuOptions(Blockly.ContextMenuRegistry.ScopeType.WORKSPACE,{workspace:this});this.configureContextMenu&&this.configureContextMenu(b,a);Blockly.ContextMenu.show(a,b,this.RTL)}};
-Blockly.WorkspaceSvg.prototype.updateToolbox=function(a){if(a=Blockly.utils.toolbox.convertToolboxDefToJson(a)){if(!this.options.languageTree)throw Error("Existing toolbox is null.  Can't create new toolbox.");if(Blockly.utils.toolbox.hasCategories(a)){if(!this.toolbox_)throw Error("Existing toolbox has no categories.  Can't change mode.");this.options.languageTree=a;this.toolbox_.render(a)}else{if(!this.flyout_)throw Error("Existing toolbox has categories.  Can't change mode.");this.options.languageTree=
-a;this.flyout_.show(a)}}else if(this.options.languageTree)throw Error("Can't nullify an existing toolbox.");};Blockly.WorkspaceSvg.prototype.markFocused=function(){this.options.parentWorkspace?this.options.parentWorkspace.markFocused():(Blockly.mainWorkspace=this,this.setBrowserFocus())};Blockly.WorkspaceSvg.prototype.setBrowserFocus=function(){document.activeElement&&document.activeElement.blur();try{this.getParentSvg().focus({preventScroll:!0})}catch(a){try{this.getParentSvg().parentNode.setActive()}catch(b){this.getParentSvg().parentNode.focus({preventScroll:!0})}}};
-Blockly.WorkspaceSvg.prototype.zoom=function(a,b,c){c=Math.pow(this.options.zoomOptions.scaleSpeed,c);var d=this.scale*c;if(this.scale!=d){d>this.options.zoomOptions.maxScale?c=this.options.zoomOptions.maxScale/this.scale:d<this.options.zoomOptions.minScale&&(c=this.options.zoomOptions.minScale/this.scale);var e=this.getCanvas().getCTM(),f=this.getParentSvg().createSVGPoint();f.x=a;f.y=b;f=f.matrixTransform(e.inverse());a=f.x;b=f.y;e=e.translate(a*(1-c),b*(1-c)).scale(c);this.scrollX=e.e;this.scrollY=
-e.f;this.setScale(d)}};Blockly.WorkspaceSvg.prototype.zoomCenter=function(a){var b=this.getMetrics();if(this.flyout_){var c=b.svgWidth?b.svgWidth/2:0;b=b.svgHeight?b.svgHeight/2:0}else c=b.viewWidth/2+b.absoluteLeft,b=b.viewHeight/2+b.absoluteTop;this.zoom(c,b,a)};
-Blockly.WorkspaceSvg.prototype.zoomToFit=function(){if(this.isMovable()){var a=this.getMetrics(),b=a.viewWidth;a=a.viewHeight;var c=this.getBlocksBoundingBox(),d=c.right-c.left;c=c.bottom-c.top;if(d){this.flyout_&&(this.horizontalLayout?(a+=this.flyout_.getHeight(),c+=this.flyout_.getHeight()/this.scale):(b+=this.flyout_.getWidth(),d+=this.flyout_.getWidth()/this.scale));b/=d;a/=c;Blockly.Events.disable();try{this.setScale(Math.min(b,a)),this.scrollCenter()}finally{Blockly.Events.enable()}this.maybeFireViewportChangeEvent()}}else console.warn("Tried to move a non-movable workspace. This could result in blocks becoming inaccessible.")};
-Blockly.WorkspaceSvg.prototype.beginCanvasTransition=function(){Blockly.utils.dom.addClass(this.svgBlockCanvas_,"blocklyCanvasTransitioning");Blockly.utils.dom.addClass(this.svgBubbleCanvas_,"blocklyCanvasTransitioning")};Blockly.WorkspaceSvg.prototype.endCanvasTransition=function(){Blockly.utils.dom.removeClass(this.svgBlockCanvas_,"blocklyCanvasTransitioning");Blockly.utils.dom.removeClass(this.svgBubbleCanvas_,"blocklyCanvasTransitioning")};
-Blockly.WorkspaceSvg.prototype.scrollCenter=function(){if(this.isMovable()){var a=this.getMetrics(),b=(a.contentWidth-a.viewWidth)/2,c=(a.contentHeight-a.viewHeight)/2;b=-b-a.contentLeft;c=-c-a.contentTop;this.scroll(b,c)}else console.warn("Tried to move a non-movable workspace. This could result in blocks becoming inaccessible.")};
-Blockly.WorkspaceSvg.prototype.centerOnBlock=function(a){if(this.isMovable()){if(a=a?this.getBlockById(a):null){var b=a.getRelativeToSurfaceXY(),c=a.getHeightWidth(),d=this.scale;a=(b.x+(this.RTL?-1:1)*c.width/2)*d;b=(b.y+c.height/2)*d;c=this.getMetrics();this.scroll(-(a-c.viewWidth/2),-(b-c.viewHeight/2))}}else console.warn("Tried to move a non-movable workspace. This could result in blocks becoming inaccessible.")};
-Blockly.WorkspaceSvg.prototype.setScale=function(a){this.options.zoomOptions.maxScale&&a>this.options.zoomOptions.maxScale?a=this.options.zoomOptions.maxScale:this.options.zoomOptions.minScale&&a<this.options.zoomOptions.minScale&&(a=this.options.zoomOptions.minScale);this.scale=a;Blockly.hideChaff(!1);this.flyout_&&(this.flyout_.reflow(),this.recordDeleteAreas());this.grid_&&this.grid_.update(this.scale);a=this.getMetrics();this.scrollX-=a.absoluteLeft;this.scrollY-=a.absoluteTop;a.viewLeft+=a.absoluteLeft;
-a.viewTop+=a.absoluteTop;this.scroll(this.scrollX,this.scrollY);this.scrollbar&&(this.flyout_?(this.scrollbar.hScroll.resizeViewHorizontal(a),this.scrollbar.vScroll.resizeViewVertical(a)):(this.scrollbar.hScroll.resizeContentHorizontal(a),this.scrollbar.vScroll.resizeContentVertical(a)))};Blockly.WorkspaceSvg.prototype.getScale=function(){return this.options.parentWorkspace?this.options.parentWorkspace.getScale():this.scale};
-Blockly.WorkspaceSvg.prototype.scroll=function(a,b){Blockly.hideChaff(!0);var c=this.getMetrics(),d=c.contentWidth+c.contentLeft-c.viewWidth,e=c.contentHeight+c.contentTop-c.viewHeight;a=Math.min(a,-c.contentLeft);b=Math.min(b,-c.contentTop);a=Math.max(a,-d);b=Math.max(b,-e);this.scrollX=a;this.scrollY=b;this.scrollbar&&(this.scrollbar.hScroll.setHandlePosition(-(a+c.contentLeft)*this.scrollbar.hScroll.ratio),this.scrollbar.vScroll.setHandlePosition(-(b+c.contentTop)*this.scrollbar.vScroll.ratio));
-a+=c.absoluteLeft;b+=c.absoluteTop;this.translate(a,b)};Blockly.WorkspaceSvg.getDimensionsPx_=function(a){var b=0,c=0;a&&(b=a.getWidth(),c=a.getHeight());return new Blockly.utils.Size(b,c)};Blockly.WorkspaceSvg.getContentDimensions_=function(a,b){return a.isContentBounded()?Blockly.WorkspaceSvg.getContentDimensionsBounded_(a,b):Blockly.WorkspaceSvg.getContentDimensionsExact_(a)};
-Blockly.WorkspaceSvg.getContentDimensionsExact_=function(a){var b=a.getBlocksBoundingBox(),c=a.scale;a=b.top*c;var d=b.bottom*c,e=b.left*c;b=b.right*c;return{top:a,bottom:d,left:e,right:b,width:b-e,height:d-a}};
-Blockly.WorkspaceSvg.getContentDimensionsBounded_=function(a,b){a=Blockly.WorkspaceSvg.getContentDimensionsExact_(a);var c=b.width;b=b.height;var d=c/2,e=b/2,f=Math.min(a.left-d,a.right-c),g=Math.min(a.top-e,a.bottom-b);return{left:f,top:g,height:Math.max(a.bottom+e,a.top+b)-g,width:Math.max(a.right+d,a.left+c)-f}};
-Blockly.WorkspaceSvg.getTopLevelWorkspaceMetrics_=function(){var a=Blockly.WorkspaceSvg.getDimensionsPx_(this.toolbox_),b=Blockly.WorkspaceSvg.getDimensionsPx_(this.flyout_),c=Blockly.svgSize(this.getParentSvg()),d={height:c.height,width:c.width};if(this.toolbox_)if(this.toolboxPosition==Blockly.TOOLBOX_AT_TOP||this.toolboxPosition==Blockly.TOOLBOX_AT_BOTTOM)d.height-=a.height;else{if(this.toolboxPosition==Blockly.TOOLBOX_AT_LEFT||this.toolboxPosition==Blockly.TOOLBOX_AT_RIGHT)d.width-=a.width}else if(this.flyout_)if(this.toolboxPosition==
-Blockly.TOOLBOX_AT_TOP||this.toolboxPosition==Blockly.TOOLBOX_AT_BOTTOM)d.height-=b.height;else if(this.toolboxPosition==Blockly.TOOLBOX_AT_LEFT||this.toolboxPosition==Blockly.TOOLBOX_AT_RIGHT)d.width-=b.width;var e=Blockly.WorkspaceSvg.getContentDimensions_(this,d),f=0;this.toolbox_&&this.toolboxPosition==Blockly.TOOLBOX_AT_LEFT?f=a.width:this.flyout_&&this.toolboxPosition==Blockly.TOOLBOX_AT_LEFT&&(f=b.width);var g=0;this.toolbox_&&this.toolboxPosition==Blockly.TOOLBOX_AT_TOP?g=a.height:this.flyout_&&
-this.toolboxPosition==Blockly.TOOLBOX_AT_TOP&&(g=b.height);return{contentHeight:e.height,contentWidth:e.width,contentTop:e.top,contentLeft:e.left,viewHeight:d.height,viewWidth:d.width,viewTop:-this.scrollY,viewLeft:-this.scrollX,absoluteTop:g,absoluteLeft:f,svgHeight:c.height,svgWidth:c.width,toolboxWidth:a.width,toolboxHeight:a.height,toolboxPosition:this.toolboxPosition,flyoutWidth:b.width,flyoutHeight:b.height}};
-Blockly.WorkspaceSvg.setTopLevelWorkspaceMetrics_=function(a){var b=this.getMetrics();"number"==typeof a.x&&(this.scrollX=-b.contentWidth*a.x-b.contentLeft);"number"==typeof a.y&&(this.scrollY=-b.contentHeight*a.y-b.contentTop);this.translate(this.scrollX+b.absoluteLeft,this.scrollY+b.absoluteTop)};Blockly.WorkspaceSvg.prototype.getBlockById=function(a){return Blockly.WorkspaceSvg.superClass_.getBlockById.call(this,a)};
-Blockly.WorkspaceSvg.prototype.getTopBlocks=function(a){return Blockly.WorkspaceSvg.superClass_.getTopBlocks.call(this,a)};Blockly.WorkspaceSvg.prototype.addTopBlock=function(a){this.addTopBoundedElement(a);Blockly.WorkspaceSvg.superClass_.addTopBlock.call(this,a)};Blockly.WorkspaceSvg.prototype.removeTopBlock=function(a){this.removeTopBoundedElement(a);Blockly.WorkspaceSvg.superClass_.removeTopBlock.call(this,a)};
-Blockly.WorkspaceSvg.prototype.addTopComment=function(a){this.addTopBoundedElement(a);Blockly.WorkspaceSvg.superClass_.addTopComment.call(this,a)};Blockly.WorkspaceSvg.prototype.removeTopComment=function(a){this.removeTopBoundedElement(a);Blockly.WorkspaceSvg.superClass_.removeTopComment.call(this,a)};Blockly.WorkspaceSvg.prototype.addTopBoundedElement=function(a){this.topBoundedElements_.push(a)};
-Blockly.WorkspaceSvg.prototype.removeTopBoundedElement=function(a){Blockly.utils.arrayRemove(this.topBoundedElements_,a)};Blockly.WorkspaceSvg.prototype.getTopBoundedElements=function(){return[].concat(this.topBoundedElements_)};Blockly.WorkspaceSvg.prototype.setResizesEnabled=function(a){var b=!this.resizesEnabled_&&a;this.resizesEnabled_=a;b&&this.resizeContents()};
-Blockly.WorkspaceSvg.prototype.clear=function(){this.setResizesEnabled(!1);Blockly.WorkspaceSvg.superClass_.clear.call(this);this.topBoundedElements_=[];this.setResizesEnabled(!0)};Blockly.WorkspaceSvg.prototype.registerButtonCallback=function(a,b){if("function"!=typeof b)throw TypeError("Button callbacks must be functions.");this.flyoutButtonCallbacks_[a]=b};Blockly.WorkspaceSvg.prototype.getButtonCallback=function(a){return(a=this.flyoutButtonCallbacks_[a])?a:null};
-Blockly.WorkspaceSvg.prototype.removeButtonCallback=function(a){this.flyoutButtonCallbacks_[a]=null};Blockly.WorkspaceSvg.prototype.registerToolboxCategoryCallback=function(a,b){if("function"!=typeof b)throw TypeError("Toolbox category callbacks must be functions.");this.toolboxCategoryCallbacks_[a]=b};Blockly.WorkspaceSvg.prototype.getToolboxCategoryCallback=function(a){return this.toolboxCategoryCallbacks_[a]||null};
-Blockly.WorkspaceSvg.prototype.removeToolboxCategoryCallback=function(a){this.toolboxCategoryCallbacks_[a]=null};Blockly.WorkspaceSvg.prototype.getGesture=function(a){var b="mousedown"==a.type||"touchstart"==a.type||"pointerdown"==a.type,c=this.currentGesture_;return c?b&&c.hasStarted()?(console.warn("Tried to start the same gesture twice."),c.cancel(),null):c:b?this.currentGesture_=new Blockly.TouchGesture(a,this):null};
-Blockly.WorkspaceSvg.prototype.clearGesture=function(){this.currentGesture_=null};Blockly.WorkspaceSvg.prototype.cancelCurrentGesture=function(){this.currentGesture_&&this.currentGesture_.cancel()};Blockly.WorkspaceSvg.prototype.getAudioManager=function(){return this.audioManager_};Blockly.WorkspaceSvg.prototype.getGrid=function(){return this.grid_};Blockly.inject=function(a,b){Blockly.checkBlockColourConstants();"string"==typeof a&&(a=document.getElementById(a)||document.querySelector(a));if(!a||!Blockly.utils.dom.containsNode(document,a))throw Error("Error: container is not in current document.");b=new Blockly.Options(b||{});var c=document.createElement("div");c.className="injectionDiv";c.tabIndex=0;Blockly.utils.aria.setState(c,Blockly.utils.aria.State.LABEL,Blockly.Msg.WORKSPACE_ARIA_LABEL);a.appendChild(c);a=Blockly.createDom_(c,b);var d=
-new Blockly.BlockDragSurfaceSvg(c),e=new Blockly.WorkspaceDragSurfaceSvg(c),f=Blockly.createMainWorkspace_(a,b,d,e);Blockly.user.keyMap.setKeyMap(b.keyMap);Blockly.init_(f);Blockly.mainWorkspace=f;Blockly.svgResize(f);c.addEventListener("focusin",function(){Blockly.mainWorkspace=f});return f};
-Blockly.createDom_=function(a,b){a.setAttribute("dir","LTR");Blockly.Component.defaultRightToLeft=b.RTL;Blockly.Css.inject(b.hasCss,b.pathToMedia);a=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.SVG,{xmlns:Blockly.utils.dom.SVG_NS,"xmlns:html":Blockly.utils.dom.HTML_NS,"xmlns:xlink":Blockly.utils.dom.XLINK_NS,version:"1.1","class":"blocklySvg",tabindex:"0"},a);var c=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.DEFS,{},a),d=String(Math.random()).substring(2);b.gridPattern=Blockly.Grid.createDom(d,
-b.gridOptions,c);return a};
-Blockly.createMainWorkspace_=function(a,b,c,d){b.parentWorkspace=null;var e=new Blockly.WorkspaceSvg(b,c,d);b=e.options;e.scale=b.zoomOptions.startScale;a.appendChild(e.createDom("blocklyMainBackground"));Blockly.utils.dom.addClass(e.getInjectionDiv(),e.getRenderer().getClassName());Blockly.utils.dom.addClass(e.getInjectionDiv(),e.getTheme().getClassName());!b.hasCategories&&b.languageTree&&(c=e.addFlyout(Blockly.utils.Svg.SVG),Blockly.utils.dom.insertAfter(c,a));b.hasTrashcan&&e.addTrashcan();b.zoomOptions&&
-b.zoomOptions.controls&&e.addZoomControls();e.getThemeManager().subscribe(a,"workspaceBackgroundColour","background-color");e.translate(0,0);b.readOnly||e.isMovable()||e.addChangeListener(function(f){if(!e.isDragging()&&!e.isMovable()&&-1!=Blockly.Events.BUMP_EVENTS.indexOf(f.type)){var g=Object.create(null),h=e.getMetrics(),k=e.scale;g.RTL=e.RTL;g.viewLeft=h.viewLeft/k;g.viewTop=h.viewTop/k;g.viewRight=(h.viewLeft+h.viewWidth)/k;g.viewBottom=(h.viewTop+h.viewHeight)/k;e.isContentBounded()?(h=e.getBlocksBoundingBox(),
-g.contentLeft=h.left,g.contentTop=h.top,g.contentRight=h.right,g.contentBottom=h.bottom):(g.contentLeft=h.contentLeft/k,g.contentTop=h.contentTop/k,g.contentRight=(h.contentLeft+h.contentWidth)/k,g.contentBottom=(h.contentTop+h.contentHeight)/k);if(g.contentTop<g.viewTop||g.contentBottom>g.viewBottom||g.contentLeft<g.viewLeft||g.contentRight>g.viewRight){h=null;f&&(h=Blockly.Events.getGroup(),Blockly.Events.setGroup(f.group));switch(f.type){case Blockly.Events.BLOCK_CREATE:case Blockly.Events.BLOCK_MOVE:var l=
-e.getBlockById(f.blockId);l&&(l=l.getRootBlock());break;case Blockly.Events.COMMENT_CREATE:case Blockly.Events.COMMENT_MOVE:l=e.getCommentById(f.commentId)}if(l){k=l.getBoundingRectangle();k.height=k.bottom-k.top;k.width=k.right-k.left;var m=g.viewTop,n=g.viewBottom-k.height;n=Math.max(m,n);m=Blockly.utils.math.clamp(m,k.top,n)-k.top;n=g.viewLeft;var p=g.viewRight-k.width;g.RTL?n=Math.min(p,n):p=Math.max(n,p);g=Blockly.utils.math.clamp(n,k.left,p)-k.left;l.moveBy(g,m)}f&&(!f.group&&l&&console.warn("Moved object in bounds but there was no event group. This may break undo."),
-null!==h&&Blockly.Events.setGroup(h))}}});Blockly.svgResize(e);Blockly.WidgetDiv.createDom();Blockly.DropDownDiv.createDom();Blockly.Tooltip.createDom();return e};
-Blockly.init_=function(a){var b=a.options,c=a.getParentSvg();Blockly.bindEventWithChecks_(c.parentNode,"contextmenu",null,function(e){Blockly.utils.isTargetInput(e)||e.preventDefault()});c=Blockly.bindEventWithChecks_(window,"resize",null,function(){Blockly.hideChaff(!0);Blockly.svgResize(a)});a.setResizeHandlerWrapper(c);Blockly.inject.bindDocumentEvents_();if(b.languageTree){c=a.getToolbox();var d=a.getFlyout(!0);c?c.init():d&&(d.init(a),d.show(b.languageTree),"function"==typeof d.scrollToStart&&
-d.scrollToStart())}c=Blockly.Scrollbar.scrollbarThickness;b.hasTrashcan&&(c=a.trashcan.init(c));b.zoomOptions&&b.zoomOptions.controls&&a.zoomControls_.init(c);b.moveOptions&&b.moveOptions.scrollbars?(a.scrollbar=new Blockly.ScrollbarPair(a),a.scrollbar.resize()):a.setMetrics({x:.5,y:.5});b.hasSounds&&Blockly.inject.loadSounds_(b.pathToMedia,a)};
-Blockly.inject.bindDocumentEvents_=function(){Blockly.documentEventsBound_||(Blockly.bindEventWithChecks_(document,"scroll",null,function(){for(var a=Blockly.Workspace.getAll(),b=0,c;c=a[b];b++)c.updateInverseScreenCTM&&c.updateInverseScreenCTM()}),Blockly.bindEventWithChecks_(document,"keydown",null,Blockly.onKeyDown),Blockly.bindEvent_(document,"touchend",null,Blockly.longStop_),Blockly.bindEvent_(document,"touchcancel",null,Blockly.longStop_),Blockly.utils.userAgent.IPAD&&Blockly.bindEventWithChecks_(window,
-"orientationchange",document,function(){Blockly.svgResize(Blockly.getMainWorkspace())}));Blockly.documentEventsBound_=!0};
-Blockly.inject.loadSounds_=function(a,b){var c=b.getAudioManager();c.load([a+"click.mp3",a+"click.wav",a+"click.ogg"],"click");c.load([a+"disconnect.wav",a+"disconnect.mp3",a+"disconnect.ogg"],"disconnect");c.load([a+"delete.mp3",a+"delete.ogg",a+"delete.wav"],"delete");var d=[];a=function(){for(;d.length;)Blockly.unbindEvent_(d.pop());c.preload()};d.push(Blockly.bindEventWithChecks_(document,"mousemove",null,a,!0));d.push(Blockly.bindEventWithChecks_(document,"touchstart",null,a,!0))};Blockly.Names=function(a,b){this.variablePrefix_=b||"";this.reservedDict_=Object.create(null);if(a)for(a=a.split(","),b=0;b<a.length;b++)this.reservedDict_[a[b]]=!0;this.reset()};Blockly.Names.DEVELOPER_VARIABLE_TYPE="DEVELOPER_VARIABLE";Blockly.Names.prototype.reset=function(){this.db_=Object.create(null);this.dbReverse_=Object.create(null);this.variableMap_=null};Blockly.Names.prototype.setVariableMap=function(a){this.variableMap_=a};
-Blockly.Names.prototype.getNameForUserVariable_=function(a){return this.variableMap_?(a=this.variableMap_.getVariableById(a))?a.name:null:(console.log("Deprecated call to Blockly.Names.prototype.getName without defining a variable map. To fix, add the following code in your generator's init() function:\nBlockly.YourGeneratorName.variableDB_.setVariableMap(workspace.getVariableMap());"),null)};
-Blockly.Names.prototype.getName=function(a,b){if(b==Blockly.VARIABLE_CATEGORY_NAME){var c=this.getNameForUserVariable_(a);c&&(a=c)}c=a.toLowerCase()+"_"+b;var d=b==Blockly.VARIABLE_CATEGORY_NAME||b==Blockly.Names.DEVELOPER_VARIABLE_TYPE?this.variablePrefix_:"";if(c in this.db_)return d+this.db_[c];a=this.getDistinctName(a,b);this.db_[c]=a.substr(d.length);return a};
-Blockly.Names.prototype.getDistinctName=function(a,b){a=this.safeName_(a);for(var c="";this.dbReverse_[a+c]||a+c in this.reservedDict_;)c=c?c+1:2;a+=c;this.dbReverse_[a]=!0;return(b==Blockly.VARIABLE_CATEGORY_NAME||b==Blockly.Names.DEVELOPER_VARIABLE_TYPE?this.variablePrefix_:"")+a};Blockly.Names.prototype.safeName_=function(a){a?(a=encodeURI(a.replace(/ /g,"_")).replace(/[^\w]/g,"_"),-1!="0123456789".indexOf(a[0])&&(a="my_"+a)):a=Blockly.Msg.UNNAMED_KEY||"unnamed";return a};
-Blockly.Names.equals=function(a,b){return a.toLowerCase()==b.toLowerCase()};Blockly.Procedures={};Blockly.Procedures.NAME_TYPE=Blockly.PROCEDURE_CATEGORY_NAME;Blockly.Procedures.DEFAULT_ARG="x";Blockly.Procedures.allProcedures=function(a){var b=a.getBlocksByType("procedures_defnoreturn",!1).map(function(c){return c.getProcedureDef()});a=a.getBlocksByType("procedures_defreturn",!1).map(function(c){return c.getProcedureDef()});b.sort(Blockly.Procedures.procTupleComparator_);a.sort(Blockly.Procedures.procTupleComparator_);return[b,a]};
-Blockly.Procedures.procTupleComparator_=function(a,b){return a[0].toLowerCase().localeCompare(b[0].toLowerCase())};Blockly.Procedures.findLegalName=function(a,b){if(b.isInFlyout)return a;for(a=a||Blockly.Msg.UNNAMED_KEY||"unnamed";!Blockly.Procedures.isLegalName_(a,b.workspace,b);){var c=a.match(/^(.*?)(\d+)$/);a=c?c[1]+(parseInt(c[2],10)+1):a+"2"}return a};Blockly.Procedures.isLegalName_=function(a,b,c){return!Blockly.Procedures.isNameUsed(a,b,c)};
-Blockly.Procedures.isNameUsed=function(a,b,c){b=b.getAllBlocks(!1);for(var d=0;d<b.length;d++)if(b[d]!=c&&b[d].getProcedureDef){var e=b[d].getProcedureDef();if(Blockly.Names.equals(e[0],a))return!0}return!1};Blockly.Procedures.rename=function(a){a=a.trim();var b=Blockly.Procedures.findLegalName(a,this.getSourceBlock()),c=this.getValue();if(c!=a&&c!=b){a=this.getSourceBlock().workspace.getAllBlocks(!1);for(var d=0;d<a.length;d++)a[d].renameProcedure&&a[d].renameProcedure(c,b)}return b};
-Blockly.Procedures.flyoutCategory=function(a){function b(f,g){for(var h=0;h<f.length;h++){var k=f[h][0],l=f[h][1],m=Blockly.utils.xml.createElement("block");m.setAttribute("type",g);m.setAttribute("gap",16);var n=Blockly.utils.xml.createElement("mutation");n.setAttribute("name",k);m.appendChild(n);for(k=0;k<l.length;k++){var p=Blockly.utils.xml.createElement("arg");p.setAttribute("name",l[k]);n.appendChild(p)}c.push(m)}}var c=[];if(Blockly.Blocks.procedures_defnoreturn){var d=Blockly.utils.xml.createElement("block");
-d.setAttribute("type","procedures_defnoreturn");d.setAttribute("gap",16);var e=Blockly.utils.xml.createElement("field");e.setAttribute("name","NAME");e.appendChild(Blockly.utils.xml.createTextNode(Blockly.Msg.PROCEDURES_DEFNORETURN_PROCEDURE));d.appendChild(e);c.push(d)}Blockly.Blocks.procedures_defreturn&&(d=Blockly.utils.xml.createElement("block"),d.setAttribute("type","procedures_defreturn"),d.setAttribute("gap",16),e=Blockly.utils.xml.createElement("field"),e.setAttribute("name","NAME"),e.appendChild(Blockly.utils.xml.createTextNode(Blockly.Msg.PROCEDURES_DEFRETURN_PROCEDURE)),
-d.appendChild(e),c.push(d));Blockly.Blocks.procedures_ifreturn&&(d=Blockly.utils.xml.createElement("block"),d.setAttribute("type","procedures_ifreturn"),d.setAttribute("gap",16),c.push(d));c.length&&c[c.length-1].setAttribute("gap",24);a=Blockly.Procedures.allProcedures(a);b(a[0],"procedures_callnoreturn");b(a[1],"procedures_callreturn");return c};
-Blockly.Procedures.updateMutatorFlyout_=function(a){for(var b=[],c=a.getBlocksByType("procedures_mutatorarg",!1),d=0,e;e=c[d];d++)b.push(e.getFieldValue("NAME"));c=Blockly.utils.xml.createElement("xml");d=Blockly.utils.xml.createElement("block");d.setAttribute("type","procedures_mutatorarg");e=Blockly.utils.xml.createElement("field");e.setAttribute("name","NAME");b=Blockly.Variables.generateUniqueNameFromOptions(Blockly.Procedures.DEFAULT_ARG,b);b=Blockly.utils.xml.createTextNode(b);e.appendChild(b);
-d.appendChild(e);c.appendChild(d);a.updateToolbox(c)};Blockly.Procedures.mutatorOpenListener=function(a){if(a.type==Blockly.Events.UI&&"mutatorOpen"==a.element&&a.newValue){a=Blockly.Workspace.getById(a.workspaceId).getBlockById(a.blockId);var b=a.type;if("procedures_defnoreturn"==b||"procedures_defreturn"==b)a=a.mutator.getWorkspace(),Blockly.Procedures.updateMutatorFlyout_(a),a.addChangeListener(Blockly.Procedures.mutatorChangeListener_)}};
-Blockly.Procedures.mutatorChangeListener_=function(a){if(a.type==Blockly.Events.BLOCK_CREATE||a.type==Blockly.Events.BLOCK_DELETE||a.type==Blockly.Events.BLOCK_CHANGE)a=Blockly.Workspace.getById(a.workspaceId),Blockly.Procedures.updateMutatorFlyout_(a)};Blockly.Procedures.getCallers=function(a,b){var c=[];b=b.getAllBlocks(!1);for(var d=0;d<b.length;d++)if(b[d].getProcedureCall){var e=b[d].getProcedureCall();e&&Blockly.Names.equals(e,a)&&c.push(b[d])}return c};
-Blockly.Procedures.mutateCallers=function(a){var b=Blockly.Events.recordUndo,c=a.getProcedureDef()[0],d=a.mutationToDom(!0);a=Blockly.Procedures.getCallers(c,a.workspace);c=0;for(var e;e=a[c];c++){var f=e.mutationToDom();f=f&&Blockly.Xml.domToText(f);e.domToMutation(d);var g=e.mutationToDom();g=g&&Blockly.Xml.domToText(g);f!=g&&(Blockly.Events.recordUndo=!1,Blockly.Events.fire(new Blockly.Events.BlockChange(e,"mutation",null,f,g)),Blockly.Events.recordUndo=b)}};
-Blockly.Procedures.getDefinition=function(a,b){b=b.getTopBlocks(!1);for(var c=0;c<b.length;c++)if(b[c].getProcedureDef){var d=b[c].getProcedureDef();if(d&&Blockly.Names.equals(d[0],a))return b[c]}return null};Blockly.VariableModel=function(a,b,c,d){this.workspace=a;this.name=b;this.type=c||"";this.id_=d||Blockly.utils.genUid();Blockly.Events.fire(new Blockly.Events.VarCreate(this))};Blockly.VariableModel.prototype.getId=function(){return this.id_};Blockly.VariableModel.compareByName=function(a,b){a=a.name.toLowerCase();b=b.name.toLowerCase();return a<b?-1:a==b?0:1};Blockly.Variables={};Blockly.Variables.NAME_TYPE=Blockly.VARIABLE_CATEGORY_NAME;Blockly.Variables.allUsedVarModels=function(a){var b=a.getAllBlocks(!1);a=Object.create(null);for(var c=0;c<b.length;c++){var d=b[c].getVarModels();if(d)for(var e=0;e<d.length;e++){var f=d[e],g=f.getId();g&&(a[g]=f)}}b=[];for(g in a)b.push(a[g]);return b};Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_={};
-Blockly.Variables.allDeveloperVariables=function(a){a=a.getAllBlocks(!1);for(var b=Object.create(null),c=0,d;d=a[c];c++){var e=d.getDeveloperVariables;!e&&d.getDeveloperVars&&(e=d.getDeveloperVars,Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_[d.type]||(console.warn("Function getDeveloperVars() deprecated. Use getDeveloperVariables() (block type '"+d.type+"')"),Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_[d.type]=!0));if(e)for(d=e(),e=0;e<d.length;e++)b[d[e]]=!0}return Object.keys(b)};
-Blockly.Variables.flyoutCategory=function(a){var b=[],c=document.createElement("button");c.setAttribute("text","%{BKY_NEW_VARIABLE}");c.setAttribute("callbackKey","CREATE_VARIABLE");a.registerButtonCallback("CREATE_VARIABLE",function(d){Blockly.Variables.createVariableButtonHandler(d.getTargetWorkspace())});b.push(c);a=Blockly.Variables.flyoutCategoryBlocks(a);return b=b.concat(a)};
-Blockly.Variables.flyoutCategoryBlocks=function(a){a=a.getVariablesOfType("");var b=[];if(0<a.length){var c=a[a.length-1];if(Blockly.Blocks.variables_set){var d=Blockly.utils.xml.createElement("block");d.setAttribute("type","variables_set");d.setAttribute("gap",Blockly.Blocks.math_change?8:24);d.appendChild(Blockly.Variables.generateVariableFieldDom(c));b.push(d)}Blockly.Blocks.math_change&&(d=Blockly.utils.xml.createElement("block"),d.setAttribute("type","math_change"),d.setAttribute("gap",Blockly.Blocks.variables_get?
-20:8),d.appendChild(Blockly.Variables.generateVariableFieldDom(c)),c=Blockly.Xml.textToDom('<value name="DELTA"><shadow type="math_number"><field name="NUM">1</field></shadow></value>'),d.appendChild(c),b.push(d));if(Blockly.Blocks.variables_get){a.sort(Blockly.VariableModel.compareByName);c=0;for(var e;e=a[c];c++)d=Blockly.utils.xml.createElement("block"),d.setAttribute("type","variables_get"),d.setAttribute("gap",8),d.appendChild(Blockly.Variables.generateVariableFieldDom(e)),b.push(d)}}return b};
-Blockly.Variables.VAR_LETTER_OPTIONS="ijkmnopqrstuvwxyzabcdefgh";Blockly.Variables.generateUniqueName=function(a){return Blockly.Variables.generateUniqueNameFromOptions(Blockly.Variables.VAR_LETTER_OPTIONS.charAt(0),a.getAllVariableNames())};
-Blockly.Variables.generateUniqueNameFromOptions=function(a,b){if(!b.length)return a;for(var c=Blockly.Variables.VAR_LETTER_OPTIONS,d="",e=c.indexOf(a);;){for(var f=!1,g=0;g<b.length;g++)if(b[g].toLowerCase()==a){f=!0;break}if(!f)return a;e++;e==c.length&&(e=0,d=Number(d)+1);a=c.charAt(e)+d}};
-Blockly.Variables.createVariableButtonHandler=function(a,b,c){var d=c||"",e=function(f){Blockly.Variables.promptName(Blockly.Msg.NEW_VARIABLE_TITLE,f,function(g){if(g){var h=Blockly.Variables.nameUsedWithAnyType(g,a);if(h){if(h.type==d)var k=Blockly.Msg.VARIABLE_ALREADY_EXISTS.replace("%1",h.name);else k=Blockly.Msg.VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE,k=k.replace("%1",h.name).replace("%2",h.type);Blockly.alert(k,function(){e(g)})}else a.createVariable(g,d),b&&b(g)}else b&&b(null)})};e("")};
-Blockly.Variables.createVariable=Blockly.Variables.createVariableButtonHandler;
-Blockly.Variables.renameVariable=function(a,b,c){var d=function(e){var f=Blockly.Msg.RENAME_VARIABLE_TITLE.replace("%1",b.name);Blockly.Variables.promptName(f,e,function(g){if(g){var h=Blockly.Variables.nameUsedWithOtherType_(g,b.type,a);h?(h=Blockly.Msg.VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE.replace("%1",h.name).replace("%2",h.type),Blockly.alert(h,function(){d(g)})):(a.renameVariableById(b.getId(),g),c&&c(g))}else c&&c(null)})};d("")};
-Blockly.Variables.promptName=function(a,b,c){Blockly.prompt(a,b,function(d){d&&(d=d.replace(/[\s\xa0]+/g," ").trim(),d==Blockly.Msg.RENAME_VARIABLE||d==Blockly.Msg.NEW_VARIABLE)&&(d=null);c(d)})};Blockly.Variables.nameUsedWithOtherType_=function(a,b,c){c=c.getVariableMap().getAllVariables();a=a.toLowerCase();for(var d=0,e;e=c[d];d++)if(e.name.toLowerCase()==a&&e.type!=b)return e;return null};
-Blockly.Variables.nameUsedWithAnyType=function(a,b){b=b.getVariableMap().getAllVariables();a=a.toLowerCase();for(var c=0,d;d=b[c];c++)if(d.name.toLowerCase()==a)return d;return null};Blockly.Variables.generateVariableFieldDom=function(a){var b=Blockly.utils.xml.createElement("field");b.setAttribute("name","VAR");b.setAttribute("id",a.getId());b.setAttribute("variabletype",a.type);a=Blockly.utils.xml.createTextNode(a.name);b.appendChild(a);return b};
-Blockly.Variables.getOrCreateVariablePackage=function(a,b,c,d){var e=Blockly.Variables.getVariable(a,b,c,d);e||(e=Blockly.Variables.createVariable_(a,b,c,d));return e};Blockly.Variables.getVariable=function(a,b,c,d){var e=a.getPotentialVariableMap(),f=null;if(b&&(f=a.getVariableById(b),!f&&e&&(f=e.getVariableById(b)),f))return f;if(c){if(void 0==d)throw Error("Tried to look up a variable by name without a type");f=a.getVariable(c,d);!f&&e&&(f=e.getVariable(c,d))}return f};
-Blockly.Variables.createVariable_=function(a,b,c,d){var e=a.getPotentialVariableMap();c||(c=Blockly.Variables.generateUniqueName(a.isFlyout?a.targetWorkspace:a));return e?e.createVariable(c,d,b):a.createVariable(c,d,b)};Blockly.Variables.getAddedVariables=function(a,b){a=a.getAllVariables();var c=[];if(b.length!=a.length)for(var d=0;d<a.length;d++){var e=a[d];-1==b.indexOf(e)&&c.push(e)}return c};Blockly.WidgetDiv={};Blockly.WidgetDiv.owner_=null;Blockly.WidgetDiv.dispose_=null;Blockly.WidgetDiv.rendererClassName_="";Blockly.WidgetDiv.themeClassName_="";Blockly.WidgetDiv.createDom=function(){Blockly.WidgetDiv.DIV||(Blockly.WidgetDiv.DIV=document.createElement("div"),Blockly.WidgetDiv.DIV.className="blocklyWidgetDiv",(Blockly.parentContainer||document.body).appendChild(Blockly.WidgetDiv.DIV))};
-Blockly.WidgetDiv.show=function(a,b,c){Blockly.WidgetDiv.hide();Blockly.WidgetDiv.owner_=a;Blockly.WidgetDiv.dispose_=c;a=Blockly.WidgetDiv.DIV;a.style.direction=b?"rtl":"ltr";a.style.display="block";b=Blockly.getMainWorkspace();Blockly.WidgetDiv.rendererClassName_=b.getRenderer().getClassName();Blockly.WidgetDiv.themeClassName_=b.getTheme().getClassName();Blockly.utils.dom.addClass(a,Blockly.WidgetDiv.rendererClassName_);Blockly.utils.dom.addClass(a,Blockly.WidgetDiv.themeClassName_)};
-Blockly.WidgetDiv.hide=function(){if(Blockly.WidgetDiv.isVisible()){Blockly.WidgetDiv.owner_=null;var a=Blockly.WidgetDiv.DIV;a.style.display="none";a.style.left="";a.style.top="";Blockly.WidgetDiv.dispose_&&Blockly.WidgetDiv.dispose_();Blockly.WidgetDiv.dispose_=null;a.textContent="";Blockly.WidgetDiv.rendererClassName_&&(Blockly.utils.dom.removeClass(a,Blockly.WidgetDiv.rendererClassName_),Blockly.WidgetDiv.rendererClassName_="");Blockly.WidgetDiv.themeClassName_&&(Blockly.utils.dom.removeClass(a,
-Blockly.WidgetDiv.themeClassName_),Blockly.WidgetDiv.themeClassName_="");Blockly.getMainWorkspace().markFocused()}};Blockly.WidgetDiv.isVisible=function(){return!!Blockly.WidgetDiv.owner_};Blockly.WidgetDiv.hideIfOwner=function(a){Blockly.WidgetDiv.owner_==a&&Blockly.WidgetDiv.hide()};Blockly.WidgetDiv.positionInternal_=function(a,b,c){Blockly.WidgetDiv.DIV.style.left=a+"px";Blockly.WidgetDiv.DIV.style.top=b+"px";Blockly.WidgetDiv.DIV.style.height=c+"px"};
-Blockly.WidgetDiv.positionWithAnchor=function(a,b,c,d){var e=Blockly.WidgetDiv.calculateY_(a,b,c);a=Blockly.WidgetDiv.calculateX_(a,b,c,d);0>e?Blockly.WidgetDiv.positionInternal_(a,0,c.height+e):Blockly.WidgetDiv.positionInternal_(a,e,c.height)};Blockly.WidgetDiv.calculateX_=function(a,b,c,d){if(d)return b=Math.max(b.right-c.width,a.left),Math.min(b,a.right-c.width);b=Math.min(b.left,a.right-c.width);return Math.max(b,a.left)};
-Blockly.WidgetDiv.calculateY_=function(a,b,c){return b.bottom+c.height>=a.bottom?b.top-c.height:b.bottom};Blockly.VERSION="3.20200924.0";Blockly.mainWorkspace=null;Blockly.selected=null;Blockly.draggingConnections=[];Blockly.clipboardXml_=null;Blockly.clipboardSource_=null;Blockly.clipboardTypeCounts_=null;Blockly.cache3dSupported_=null;Blockly.parentContainer=null;Blockly.svgSize=function(a){return new Blockly.utils.Size(a.cachedWidth_,a.cachedHeight_)};Blockly.resizeSvgContents=function(a){a.resizeContents()};
-Blockly.svgResize=function(a){for(;a.options.parentWorkspace;)a=a.options.parentWorkspace;var b=a.getParentSvg(),c=b.parentNode;if(c){var d=c.offsetWidth;c=c.offsetHeight;b.cachedWidth_!=d&&(b.setAttribute("width",d+"px"),b.cachedWidth_=d);b.cachedHeight_!=c&&(b.setAttribute("height",c+"px"),b.cachedHeight_=c);a.resize()}};
-Blockly.onKeyDown=function(a){var b=Blockly.mainWorkspace;if(b&&!(Blockly.utils.isTargetInput(a)||b.rendered&&!b.isVisible()))if(b.options.readOnly)Blockly.navigation.onKeyPress(a);else{var c=!1;if(a.keyCode==Blockly.utils.KeyCodes.ESC)Blockly.hideChaff(),Blockly.navigation.onBlocklyAction(Blockly.navigation.ACTION_EXIT);else{if(!Blockly.Gesture.inProgress()&&Blockly.navigation.onKeyPress(a))return;if(a.keyCode==Blockly.utils.KeyCodes.BACKSPACE||a.keyCode==Blockly.utils.KeyCodes.DELETE){a.preventDefault();
-if(Blockly.Gesture.inProgress())return;Blockly.selected&&Blockly.selected.isDeletable()&&(c=!0)}else if(a.altKey||a.ctrlKey||a.metaKey){if(Blockly.Gesture.inProgress())return;Blockly.selected&&Blockly.selected.isDeletable()&&Blockly.selected.isMovable()&&(a.keyCode==Blockly.utils.KeyCodes.C?(Blockly.hideChaff(),Blockly.copy_(Blockly.selected)):a.keyCode!=Blockly.utils.KeyCodes.X||Blockly.selected.workspace.isFlyout||(Blockly.copy_(Blockly.selected),c=!0));a.keyCode==Blockly.utils.KeyCodes.V?Blockly.clipboardXml_&&
-(a=Blockly.clipboardSource_,a.isFlyout&&(a=a.targetWorkspace),Blockly.clipboardTypeCounts_&&a.isCapacityAvailable(Blockly.clipboardTypeCounts_)&&(Blockly.Events.setGroup(!0),a.paste(Blockly.clipboardXml_),Blockly.Events.setGroup(!1))):a.keyCode==Blockly.utils.KeyCodes.Z?(Blockly.hideChaff(),b.undo(a.shiftKey)):a.ctrlKey&&a.keyCode==Blockly.utils.KeyCodes.Y&&(Blockly.hideChaff(),b.undo(!0))}}c&&!Blockly.selected.workspace.isFlyout&&(Blockly.Events.setGroup(!0),Blockly.hideChaff(),Blockly.selected.dispose(!0,
-!0),Blockly.Events.setGroup(!1))}};Blockly.copy_=function(a){if(a=a.toCopyData())Blockly.clipboardXml_=a.xml,Blockly.clipboardSource_=a.source,Blockly.clipboardTypeCounts_=a.typeCounts};Blockly.duplicate=function(a){var b=Blockly.clipboardXml_,c=Blockly.clipboardSource_;Blockly.copy_(a);a.workspace.paste(Blockly.clipboardXml_);Blockly.clipboardXml_=b;Blockly.clipboardSource_=c};Blockly.onContextMenu_=function(a){Blockly.utils.isTargetInput(a)||a.preventDefault()};
-Blockly.hideChaff=function(a){Blockly.Tooltip.hide();Blockly.WidgetDiv.hide();Blockly.DropDownDiv.hideWithoutAnimation();a||(a=Blockly.getMainWorkspace(),a.trashcan&&a.trashcan.flyout&&a.trashcan.closeFlyout(),(a=a.getToolbox())&&a.getFlyout()&&a.getFlyout().autoClose&&a.clearSelection())};Blockly.getMainWorkspace=function(){return Blockly.mainWorkspace};Blockly.alert=function(a,b){alert(a);b&&b()};Blockly.confirm=function(a,b){b(confirm(a))};Blockly.prompt=function(a,b,c){c(prompt(a,b))};
-Blockly.jsonInitFactory_=function(a){return function(){this.jsonInit(a)}};
-Blockly.defineBlocksWithJsonArray=function(a){for(var b=0;b<a.length;b++){var c=a[b];if(c){var d=c.type;null==d||""===d?console.warn("Block definition #"+b+" in JSON array is missing a type attribute. Skipping."):(Blockly.Blocks[d]&&console.warn("Block definition #"+b+' in JSON array overwrites prior definition of "'+d+'".'),Blockly.Blocks[d]={init:Blockly.jsonInitFactory_(c)})}else console.warn("Block definition #"+b+" in JSON array is "+c+". Skipping.")}};
-Blockly.bindEventWithChecks_=function(a,b,c,d,e,f){var g=!1,h=function(p){var q=!e;p=Blockly.Touch.splitEventByTouches(p);for(var t=0,r;r=p[t];t++)if(!q||Blockly.Touch.shouldHandleEvent(r))Blockly.Touch.setClientFromTouch(r),c?d.call(c,r):d(r),g=!0},k=[];if(Blockly.utils.global.PointerEvent&&b in Blockly.Touch.TOUCH_MAP)for(var l=0,m;m=Blockly.Touch.TOUCH_MAP[b][l];l++)a.addEventListener(m,h,!1),k.push([a,m,h]);else if(a.addEventListener(b,h,!1),k.push([a,b,h]),b in Blockly.Touch.TOUCH_MAP){var n=
-function(p){h(p);var q=!f;g&&q&&p.preventDefault()};for(l=0;m=Blockly.Touch.TOUCH_MAP[b][l];l++)a.addEventListener(m,n,!1),k.push([a,m,n])}return k};
-Blockly.bindEvent_=function(a,b,c,d){var e=function(l){c?d.call(c,l):d(l)},f=[];if(Blockly.utils.global.PointerEvent&&b in Blockly.Touch.TOUCH_MAP)for(var g=0,h;h=Blockly.Touch.TOUCH_MAP[b][g];g++)a.addEventListener(h,e,!1),f.push([a,h,e]);else if(a.addEventListener(b,e,!1),f.push([a,b,e]),b in Blockly.Touch.TOUCH_MAP){var k=function(l){if(l.changedTouches&&1==l.changedTouches.length){var m=l.changedTouches[0];l.clientX=m.clientX;l.clientY=m.clientY}e(l);l.preventDefault()};for(g=0;h=Blockly.Touch.TOUCH_MAP[b][g];g++)a.addEventListener(h,
-k,!1),f.push([a,h,k])}return f};Blockly.unbindEvent_=function(a){for(;a.length;){var b=a.pop(),c=b[2];b[0].removeEventListener(b[1],c,!1)}return c};Blockly.isNumber=function(a){return/^\s*-?\d+(\.\d+)?\s*$/.test(a)};Blockly.hueToHex=function(a){return Blockly.utils.colour.hsvToHex(a,Blockly.HSV_SATURATION,255*Blockly.HSV_VALUE)};
-Blockly.checkBlockColourConstants=function(){Blockly.checkBlockColourConstant_("LOGIC_HUE",["Blocks","logic","HUE"],void 0);Blockly.checkBlockColourConstant_("LOGIC_HUE",["Constants","Logic","HUE"],210);Blockly.checkBlockColourConstant_("LOOPS_HUE",["Blocks","loops","HUE"],void 0);Blockly.checkBlockColourConstant_("LOOPS_HUE",["Constants","Loops","HUE"],120);Blockly.checkBlockColourConstant_("MATH_HUE",["Blocks","math","HUE"],void 0);Blockly.checkBlockColourConstant_("MATH_HUE",["Constants","Math",
-"HUE"],230);Blockly.checkBlockColourConstant_("TEXTS_HUE",["Blocks","texts","HUE"],void 0);Blockly.checkBlockColourConstant_("TEXTS_HUE",["Constants","Text","HUE"],160);Blockly.checkBlockColourConstant_("LISTS_HUE",["Blocks","lists","HUE"],void 0);Blockly.checkBlockColourConstant_("LISTS_HUE",["Constants","Lists","HUE"],260);Blockly.checkBlockColourConstant_("COLOUR_HUE",["Blocks","colour","HUE"],void 0);Blockly.checkBlockColourConstant_("COLOUR_HUE",["Constants","Colour","HUE"],20);Blockly.checkBlockColourConstant_("VARIABLES_HUE",
-["Blocks","variables","HUE"],void 0);Blockly.checkBlockColourConstant_("VARIABLES_HUE",["Constants","Variables","HUE"],330);Blockly.checkBlockColourConstant_("VARIABLES_DYNAMIC_HUE",["Constants","VariablesDynamic","HUE"],310);Blockly.checkBlockColourConstant_("PROCEDURES_HUE",["Blocks","procedures","HUE"],void 0)};
-Blockly.checkBlockColourConstant_=function(a,b,c){for(var d="Blockly",e=Blockly,f=0;f<b.length;++f)d+="."+b[f],e&&(e=e[b[f]]);e&&e!==c&&(a=(void 0===c?'%1 has been removed. Use Blockly.Msg["%2"].':'%1 is deprecated and unused. Override Blockly.Msg["%2"].').replace("%1",d).replace("%2",a),console.warn(a))};Blockly.setParentContainer=function(a){Blockly.parentContainer=a};Blockly.Icon=function(a){this.block_=a;this.iconGroup_=null};Blockly.Icon.prototype.collapseHidden=!0;Blockly.Icon.prototype.SIZE=17;Blockly.Icon.prototype.bubble_=null;Blockly.Icon.prototype.iconXY_=null;
-Blockly.Icon.prototype.createIcon=function(){this.iconGroup_||(this.iconGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{"class":"blocklyIconGroup"},null),this.block_.isInFlyout&&Blockly.utils.dom.addClass(this.iconGroup_,"blocklyIconGroupReadonly"),this.drawIcon_(this.iconGroup_),this.block_.getSvgRoot().appendChild(this.iconGroup_),Blockly.bindEventWithChecks_(this.iconGroup_,"mouseup",this,this.iconClick_),this.updateEditable())};
-Blockly.Icon.prototype.dispose=function(){Blockly.utils.dom.removeNode(this.iconGroup_);this.iconGroup_=null;this.setVisible(!1);this.block_=null};Blockly.Icon.prototype.updateEditable=function(){};Blockly.Icon.prototype.isVisible=function(){return!!this.bubble_};Blockly.Icon.prototype.iconClick_=function(a){this.block_.workspace.isDragging()||this.block_.isInFlyout||Blockly.utils.isRightButton(a)||this.setVisible(!this.isVisible())};
-Blockly.Icon.prototype.applyColour=function(){this.isVisible()&&this.bubble_.setColour(this.block_.style.colourPrimary)};Blockly.Icon.prototype.setIconLocation=function(a){this.iconXY_=a;this.isVisible()&&this.bubble_.setAnchorLocation(a)};
-Blockly.Icon.prototype.computeIconLocation=function(){var a=this.block_.getRelativeToSurfaceXY(),b=Blockly.utils.getRelativeXY(this.iconGroup_);a=new Blockly.utils.Coordinate(a.x+b.x+this.SIZE/2,a.y+b.y+this.SIZE/2);Blockly.utils.Coordinate.equals(this.getIconLocation(),a)||this.setIconLocation(a)};Blockly.Icon.prototype.getIconLocation=function(){return this.iconXY_};
-Blockly.Icon.prototype.getCorrectedSize=function(){return new Blockly.utils.Size(Blockly.Icon.prototype.SIZE,Blockly.Icon.prototype.SIZE-2)};Blockly.Warning=function(a){Blockly.Warning.superClass_.constructor.call(this,a);this.createIcon();this.text_={}};Blockly.utils.object.inherits(Blockly.Warning,Blockly.Icon);Blockly.Warning.prototype.collapseHidden=!1;
-Blockly.Warning.prototype.drawIcon_=function(a){Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{"class":"blocklyIconShape",d:"M2,15Q-1,15 0.5,12L6.5,1.7Q8,-1 9.5,1.7L15.5,12Q17,15 14,15z"},a);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{"class":"blocklyIconSymbol",d:"m7,4.8v3.16l0.27,2.27h1.46l0.27,-2.27v-3.16z"},a);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{"class":"blocklyIconSymbol",x:"7",y:"11",height:"2",width:"2"},a)};
-Blockly.Warning.textToDom_=function(a){var b=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.TEXT,{"class":"blocklyText blocklyBubbleText blocklyNoPointerEvents",y:Blockly.Bubble.BORDER_WIDTH},null);a=a.split("\n");for(var c=0;c<a.length;c++){var d=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.TSPAN,{dy:"1em",x:Blockly.Bubble.BORDER_WIDTH},b),e=document.createTextNode(a[c]);d.appendChild(e)}return b};
-Blockly.Warning.prototype.setVisible=function(a){a!=this.isVisible()&&(Blockly.Events.fire(new Blockly.Events.Ui(this.block_,"warningOpen",!a,a)),a?this.createBubble():this.disposeBubble())};
-Blockly.Warning.prototype.createBubble=function(){this.paragraphElement_=Blockly.Warning.textToDom_(this.getText());this.bubble_=new Blockly.Bubble(this.block_.workspace,this.paragraphElement_,this.block_.pathObject.svgPath,this.iconXY_,null,null);this.bubble_.setSvgId(this.block_.id);if(this.block_.RTL)for(var a=this.paragraphElement_.getBBox().width,b=0,c;c=this.paragraphElement_.childNodes[b];b++)c.setAttribute("text-anchor","end"),c.setAttribute("x",a+Blockly.Bubble.BORDER_WIDTH);this.applyColour()};
-Blockly.Warning.prototype.disposeBubble=function(){this.bubble_.dispose();this.paragraphElement_=this.body_=this.bubble_=null};Blockly.Warning.prototype.setText=function(a,b){this.text_[b]!=a&&(a?this.text_[b]=a:delete this.text_[b],this.isVisible()&&(this.setVisible(!1),this.setVisible(!0)))};Blockly.Warning.prototype.getText=function(){var a=[],b;for(b in this.text_)a.push(this.text_[b]);return a.join("\n")};Blockly.Warning.prototype.dispose=function(){this.block_.warning=null;Blockly.Icon.prototype.dispose.call(this)};Blockly.Comment=function(a){Blockly.Comment.superClass_.constructor.call(this,a);this.model_=a.commentModel;this.model_.text=this.model_.text||"";this.cachedText_="";this.onInputWrapper_=this.onChangeWrapper_=this.onWheelWrapper_=this.onMouseUpWrapper_=null;this.createIcon()};Blockly.utils.object.inherits(Blockly.Comment,Blockly.Icon);
-Blockly.Comment.prototype.drawIcon_=function(a){Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.CIRCLE,{"class":"blocklyIconShape",r:"8",cx:"8",cy:"8"},a);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{"class":"blocklyIconSymbol",d:"m6.8,10h2c0.003,-0.617 0.271,-0.962 0.633,-1.266 2.875,-2.4050.607,-5.534 -3.765,-3.874v1.7c3.12,-1.657 3.698,0.118 2.336,1.25-1.201,0.998 -1.201,1.528 -1.204,2.19z"},a);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{"class":"blocklyIconSymbol",
-x:"6.8",y:"10.78",height:"2",width:"2"},a)};
-Blockly.Comment.prototype.createEditor_=function(){this.foreignObject_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FOREIGNOBJECT,{x:Blockly.Bubble.BORDER_WIDTH,y:Blockly.Bubble.BORDER_WIDTH},null);var a=document.createElementNS(Blockly.utils.dom.HTML_NS,"body");a.setAttribute("xmlns",Blockly.utils.dom.HTML_NS);a.className="blocklyMinimalBody";var b=this.textarea_=document.createElementNS(Blockly.utils.dom.HTML_NS,"textarea");b.className="blocklyCommentTextarea";b.setAttribute("dir",this.block_.RTL?
-"RTL":"LTR");b.value=this.model_.text;this.resizeTextarea_();a.appendChild(b);this.foreignObject_.appendChild(a);this.onMouseUpWrapper_=Blockly.bindEventWithChecks_(b,"mouseup",this,this.startEdit_,!0,!0);this.onWheelWrapper_=Blockly.bindEventWithChecks_(b,"wheel",this,function(c){c.stopPropagation()});this.onChangeWrapper_=Blockly.bindEventWithChecks_(b,"change",this,function(c){this.cachedText_!=this.model_.text&&Blockly.Events.fire(new Blockly.Events.BlockChange(this.block_,"comment",null,this.cachedText_,
-this.model_.text))});this.onInputWrapper_=Blockly.bindEventWithChecks_(b,"input",this,function(c){this.model_.text=b.value});setTimeout(b.focus.bind(b),0);return this.foreignObject_};Blockly.Comment.prototype.updateEditable=function(){Blockly.Comment.superClass_.updateEditable.call(this);this.isVisible()&&(this.disposeBubble_(),this.createBubble_())};Blockly.Comment.prototype.onBubbleResize_=function(){this.isVisible()&&(this.model_.size=this.bubble_.getBubbleSize(),this.resizeTextarea_())};
-Blockly.Comment.prototype.resizeTextarea_=function(){var a=this.model_.size,b=2*Blockly.Bubble.BORDER_WIDTH,c=a.width-b;a=a.height-b;this.foreignObject_.setAttribute("width",c);this.foreignObject_.setAttribute("height",a);this.textarea_.style.width=c-4+"px";this.textarea_.style.height=a-4+"px"};Blockly.Comment.prototype.setVisible=function(a){a!=this.isVisible()&&(Blockly.Events.fire(new Blockly.Events.Ui(this.block_,"commentOpen",!a,a)),(this.model_.pinned=a)?this.createBubble_():this.disposeBubble_())};
-Blockly.Comment.prototype.createBubble_=function(){!this.block_.isEditable()||Blockly.utils.userAgent.IE?this.createNonEditableBubble_():this.createEditableBubble_()};Blockly.Comment.prototype.createEditableBubble_=function(){this.bubble_=new Blockly.Bubble(this.block_.workspace,this.createEditor_(),this.block_.pathObject.svgPath,this.iconXY_,this.model_.size.width,this.model_.size.height);this.bubble_.setSvgId(this.block_.id);this.bubble_.registerResizeEvent(this.onBubbleResize_.bind(this));this.applyColour()};
-Blockly.Comment.prototype.createNonEditableBubble_=function(){Blockly.Warning.prototype.createBubble.call(this)};
-Blockly.Comment.prototype.disposeBubble_=function(){this.paragraphElement_?Blockly.Warning.prototype.disposeBubble.call(this):(this.onMouseUpWrapper_&&(Blockly.unbindEvent_(this.onMouseUpWrapper_),this.onMouseUpWrapper_=null),this.onWheelWrapper_&&(Blockly.unbindEvent_(this.onWheelWrapper_),this.onWheelWrapper_=null),this.onChangeWrapper_&&(Blockly.unbindEvent_(this.onChangeWrapper_),this.onChangeWrapper_=null),this.onInputWrapper_&&(Blockly.unbindEvent_(this.onInputWrapper_),this.onInputWrapper_=
-null),this.bubble_.dispose(),this.foreignObject_=this.textarea_=this.bubble_=null)};Blockly.Comment.prototype.startEdit_=function(a){this.bubble_.promote()&&this.textarea_.focus();this.cachedText_=this.model_.text};Blockly.Comment.prototype.getBubbleSize=function(){return this.model_.size};Blockly.Comment.prototype.setBubbleSize=function(a,b){this.bubble_?this.bubble_.setBubbleSize(a,b):(this.model_.size.width=a,this.model_.size.height=b)};
-Blockly.Comment.prototype.getText=function(){Blockly.utils.deprecation.warn("Comment.prototype.getText","August 2019","December 2020","block.getCommentText");return this.model_.text||""};Blockly.Comment.prototype.setText=function(a){Blockly.utils.deprecation.warn("Comment.prototype.setText","August 2019","December 2020","block.setCommentText");this.model_.text!=a&&(this.model_.text=a,this.updateText())};
-Blockly.Comment.prototype.updateText=function(){this.textarea_?this.textarea_.value=this.model_.text:this.paragraphElement_&&(this.paragraphElement_.firstChild.textContent=this.model_.text)};Blockly.Comment.prototype.dispose=function(){this.block_.comment=null;Blockly.Icon.prototype.dispose.call(this)};Blockly.Css.register(".blocklyCommentTextarea {,background-color: #fef49c;,border: 0;,outline: 0;,margin: 0;,padding: 3px;,resize: none;,display: block;,overflow: hidden;,}".split(","));Blockly.FlyoutCursor=function(){Blockly.FlyoutCursor.superClass_.constructor.call(this)};Blockly.utils.object.inherits(Blockly.FlyoutCursor,Blockly.Cursor);Blockly.FlyoutCursor.prototype.onBlocklyAction=function(a){switch(a.name){case Blockly.navigation.actionNames.PREVIOUS:return this.prev(),!0;case Blockly.navigation.actionNames.NEXT:return this.next(),!0;default:return!1}};
-Blockly.FlyoutCursor.prototype.next=function(){var a=this.getCurNode();if(!a)return null;(a=a.next())&&this.setCurNode(a);return a};Blockly.FlyoutCursor.prototype.in=function(){return null};Blockly.FlyoutCursor.prototype.prev=function(){var a=this.getCurNode();if(!a)return null;(a=a.prev())&&this.setCurNode(a);return a};Blockly.FlyoutCursor.prototype.out=function(){return null};Blockly.Flyout=function(a){a.getMetrics=this.getMetrics_.bind(this);a.setMetrics=this.setMetrics_.bind(this);this.workspace_=new Blockly.WorkspaceSvg(a);this.workspace_.isFlyout=!0;this.workspace_.setVisible(this.isVisible_);this.RTL=!!a.RTL;this.horizontalLayout=!1;this.toolboxPosition_=a.toolboxPosition;this.eventWrappers_=[];this.mats_=[];this.buttons_=[];this.listeners_=[];this.permanentlyDisabled_=[];this.tabWidth_=this.workspace_.getRenderer().getConstants().TAB_WIDTH;this.targetWorkspace=null};
-Blockly.Flyout.prototype.autoClose=!0;Blockly.Flyout.prototype.isVisible_=!1;Blockly.Flyout.prototype.containerVisible_=!0;Blockly.Flyout.prototype.CORNER_RADIUS=8;Blockly.Flyout.prototype.MARGIN=Blockly.Flyout.prototype.CORNER_RADIUS;Blockly.Flyout.prototype.GAP_X=3*Blockly.Flyout.prototype.MARGIN;Blockly.Flyout.prototype.GAP_Y=3*Blockly.Flyout.prototype.MARGIN;Blockly.Flyout.prototype.SCROLLBAR_PADDING=2;Blockly.Flyout.prototype.width_=0;Blockly.Flyout.prototype.height_=0;
-Blockly.Flyout.prototype.dragAngleRange_=70;
-Blockly.Flyout.prototype.createDom=function(a){this.svgGroup_=Blockly.utils.dom.createSvgElement(a,{"class":"blocklyFlyout",style:"display: none"},null);this.svgBackground_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{"class":"blocklyFlyoutBackground"},this.svgGroup_);this.svgGroup_.appendChild(this.workspace_.createDom());this.workspace_.getThemeManager().subscribe(this.svgBackground_,"flyoutBackgroundColour","fill");this.workspace_.getThemeManager().subscribe(this.svgBackground_,"flyoutOpacity",
-"fill-opacity");this.workspace_.getMarkerManager().setCursor(new Blockly.FlyoutCursor);return this.svgGroup_};
-Blockly.Flyout.prototype.init=function(a){this.targetWorkspace=a;this.workspace_.targetWorkspace=a;this.scrollbar=new Blockly.Scrollbar(this.workspace_,this.horizontalLayout,!1,"blocklyFlyoutScrollbar");this.hide();Array.prototype.push.apply(this.eventWrappers_,Blockly.bindEventWithChecks_(this.svgGroup_,"wheel",this,this.wheel_));this.autoClose||(this.filterWrapper_=this.filterForCapacity_.bind(this),this.targetWorkspace.addChangeListener(this.filterWrapper_));Array.prototype.push.apply(this.eventWrappers_,
-Blockly.bindEventWithChecks_(this.svgBackground_,"mousedown",this,this.onMouseDown_));this.workspace_.getGesture=this.targetWorkspace.getGesture.bind(this.targetWorkspace);this.workspace_.setVariableMap(this.targetWorkspace.getVariableMap());this.workspace_.createPotentialVariableMap()};
-Blockly.Flyout.prototype.dispose=function(){this.hide();Blockly.unbindEvent_(this.eventWrappers_);this.filterWrapper_&&(this.targetWorkspace.removeChangeListener(this.filterWrapper_),this.filterWrapper_=null);this.scrollbar&&(this.scrollbar.dispose(),this.scrollbar=null);this.workspace_&&(this.workspace_.getThemeManager().unsubscribe(this.svgBackground_),this.workspace_.targetWorkspace=null,this.workspace_.dispose(),this.workspace_=null);this.svgGroup_&&(Blockly.utils.dom.removeNode(this.svgGroup_),
-this.svgGroup_=null);this.targetWorkspace=this.svgBackground_=null};Blockly.Flyout.prototype.getWidth=function(){return this.width_};Blockly.Flyout.prototype.getHeight=function(){return this.height_};Blockly.Flyout.prototype.getWorkspace=function(){return this.workspace_};Blockly.Flyout.prototype.isVisible=function(){return this.isVisible_};Blockly.Flyout.prototype.setVisible=function(a){var b=a!=this.isVisible();this.isVisible_=a;b&&this.updateDisplay_()};
-Blockly.Flyout.prototype.setContainerVisible=function(a){var b=a!=this.containerVisible_;this.containerVisible_=a;b&&this.updateDisplay_()};Blockly.Flyout.prototype.updateDisplay_=function(){var a=this.containerVisible_?this.isVisible():!1;this.svgGroup_.style.display=a?"block":"none";this.scrollbar.setContainerVisible(a)};
-Blockly.Flyout.prototype.positionAt_=function(a,b,c,d){this.svgGroup_.setAttribute("width",a);this.svgGroup_.setAttribute("height",b);"svg"==this.svgGroup_.tagName?Blockly.utils.dom.setCssTransform(this.svgGroup_,"translate("+c+"px,"+d+"px)"):this.svgGroup_.setAttribute("transform","translate("+c+","+d+")");this.scrollbar&&(this.scrollbar.setOrigin(c,d),this.scrollbar.resize(),this.scrollbar.setPosition(this.scrollbar.position.x,this.scrollbar.position.y))};
-Blockly.Flyout.prototype.hide=function(){if(this.isVisible()){this.setVisible(!1);for(var a=0,b;b=this.listeners_[a];a++)Blockly.unbindEvent_(b);this.listeners_.length=0;this.reflowWrapper_&&(this.workspace_.removeChangeListener(this.reflowWrapper_),this.reflowWrapper_=null)}};
-Blockly.Flyout.prototype.show=function(a){this.workspace_.setResizesEnabled(!1);this.hide();this.clearOldBlocks_();"string"==typeof a&&(a=this.getDynamicCategoryContents_(a));this.setVisible(!0);a=Blockly.utils.toolbox.convertFlyoutDefToJsonArray(a);a=this.createFlyoutInfo_(a);this.layout_(a.contents,a.gaps);this.listeners_.push(Blockly.bindEventWithChecks_(this.svgBackground_,"mouseover",this,function(){for(var b=this.workspace_.getTopBlocks(!1),c=0,d;d=b[c];c++)d.removeSelect()}));this.horizontalLayout?
-this.height_=0:this.width_=0;this.workspace_.setResizesEnabled(!0);this.reflow();this.filterForCapacity_();this.position();this.reflowWrapper_=this.reflow.bind(this);this.workspace_.addChangeListener(this.reflowWrapper_)};
-Blockly.Flyout.prototype.createFlyoutInfo_=function(a){var b=[],c=[];this.permanentlyDisabled_.length=0;for(var d=this.horizontalLayout?this.GAP_X:this.GAP_Y,e=0,f;f=a[e];e++)switch(f.custom&&(f=this.getDynamicCategoryContents_(f.custom),f=Blockly.utils.toolbox.convertFlyoutDefToJsonArray(f),a.splice.apply(a,[e,1].concat(f)),f=a[e]),f.kind.toUpperCase()){case "BLOCK":var g=f,h=this.getBlockXml_(g);f=this.createBlock_(h);g=parseInt(g.gap||h.getAttribute("gap"),10);c.push(isNaN(g)?d:g);b.push({type:"block",
-block:f});break;case "SEP":this.addSeparatorGap_(f,c,d);break;case "LABEL":f=this.createButton_(f,!0);b.push({type:"button",button:f});c.push(d);break;case "BUTTON":f=this.createButton_(f,!1),b.push({type:"button",button:f}),c.push(d)}return{contents:b,gaps:c}};
-Blockly.Flyout.prototype.getDynamicCategoryContents_=function(a){a=this.workspace_.targetWorkspace.getToolboxCategoryCallback(a);if("function"!=typeof a)throw TypeError("Couldn't find a callback function when opening a toolbox category.");a=a(this.workspace_.targetWorkspace);if(!Array.isArray(a))throw new TypeError("Result of toolbox category callback must be an array.");return a};
-Blockly.Flyout.prototype.createButton_=function(a,b){if(!Blockly.FlyoutButton)throw Error("Missing require for Blockly.FlyoutButton");return new Blockly.FlyoutButton(this.workspace_,this.targetWorkspace,a,b)};Blockly.Flyout.prototype.createBlock_=function(a){a=Blockly.Xml.domToBlock(a,this.workspace_);a.isEnabled()||this.permanentlyDisabled_.push(a);return a};
-Blockly.Flyout.prototype.getBlockXml_=function(a){var b=null,c=a.blockxml;c&&"string"!=typeof c?b=c:c&&"string"==typeof c?(b=Blockly.Xml.textToDom(c),a.blockxml=b):a.type&&(b=Blockly.utils.xml.createElement("xml"),b.setAttribute("type",a.type),b.setAttribute("disabled",a.disabled),a.blockxml=b);if(!b)throw Error("Error: Invalid block definition. Block definition must have blockxml or type.");return b};
-Blockly.Flyout.prototype.addSeparatorGap_=function(a,b,c){a=parseInt(a.gap,10);!isNaN(a)&&0<b.length?b[b.length-1]=a:b.push(c)};Blockly.Flyout.prototype.clearOldBlocks_=function(){for(var a=this.workspace_.getTopBlocks(!1),b=0,c;c=a[b];b++)c.workspace==this.workspace_&&c.dispose(!1,!1);for(b=0;b<this.mats_.length;b++)if(a=this.mats_[b])Blockly.Tooltip.unbindMouseEvents(a),Blockly.utils.dom.removeNode(a);for(b=this.mats_.length=0;a=this.buttons_[b];b++)a.dispose();this.buttons_.length=0;this.workspace_.getPotentialVariableMap().clear()};
-Blockly.Flyout.prototype.addBlockListeners_=function(a,b,c){this.listeners_.push(Blockly.bindEventWithChecks_(a,"mousedown",null,this.blockMouseDown_(b)));this.listeners_.push(Blockly.bindEventWithChecks_(c,"mousedown",null,this.blockMouseDown_(b)));this.listeners_.push(Blockly.bindEvent_(a,"mouseenter",b,b.addSelect));this.listeners_.push(Blockly.bindEvent_(a,"mouseleave",b,b.removeSelect));this.listeners_.push(Blockly.bindEvent_(c,"mouseenter",b,b.addSelect));this.listeners_.push(Blockly.bindEvent_(c,
-"mouseleave",b,b.removeSelect))};Blockly.Flyout.prototype.blockMouseDown_=function(a){var b=this;return function(c){var d=b.targetWorkspace.getGesture(c);d&&(d.setStartBlock(a),d.handleFlyoutStart(c,b))}};Blockly.Flyout.prototype.onMouseDown_=function(a){var b=this.targetWorkspace.getGesture(a);b&&b.handleFlyoutStart(a,this)};Blockly.Flyout.prototype.isBlockCreatable_=function(a){return a.isEnabled()};
-Blockly.Flyout.prototype.createBlock=function(a){var b=null;Blockly.Events.disable();var c=this.targetWorkspace.getAllVariables();this.targetWorkspace.setResizesEnabled(!1);try{b=this.placeNewBlock_(a)}finally{Blockly.Events.enable()}Blockly.hideChaff();a=Blockly.Variables.getAddedVariables(this.targetWorkspace,c);if(Blockly.Events.isEnabled()){Blockly.Events.setGroup(!0);for(c=0;c<a.length;c++)Blockly.Events.fire(new Blockly.Events.VarCreate(a[c]));Blockly.Events.fire(new Blockly.Events.Create(b))}this.autoClose?
-this.hide():this.filterForCapacity_();return b};Blockly.Flyout.prototype.initFlyoutButton_=function(a,b,c){var d=a.createDom();a.moveTo(b,c);a.show();this.listeners_.push(Blockly.bindEventWithChecks_(d,"mousedown",this,this.onMouseDown_));this.buttons_.push(a)};
-Blockly.Flyout.prototype.createRect_=function(a,b,c,d,e){b=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{"fill-opacity":0,x:b,y:c,height:d.height,width:d.width},null);b.tooltip=a;Blockly.Tooltip.bindMouseEvents(b);this.workspace_.getCanvas().insertBefore(b,a.getSvgRoot());a.flyoutRect_=b;return this.mats_[e]=b};
-Blockly.Flyout.prototype.moveRectToBlock_=function(a,b){var c=b.getHeightWidth();a.setAttribute("width",c.width);a.setAttribute("height",c.height);b=b.getRelativeToSurfaceXY();a.setAttribute("y",b.y);a.setAttribute("x",this.RTL?b.x-c.width:b.x)};
-Blockly.Flyout.prototype.filterForCapacity_=function(){for(var a=this.workspace_.getTopBlocks(!1),b=0,c;c=a[b];b++)if(-1==this.permanentlyDisabled_.indexOf(c))for(var d=this.targetWorkspace.isCapacityAvailable(Blockly.utils.getBlockTypeCounts(c));c;)c.setEnabled(d),c=c.getNextBlock()};Blockly.Flyout.prototype.reflow=function(){this.reflowWrapper_&&this.workspace_.removeChangeListener(this.reflowWrapper_);this.reflowInternal_();this.reflowWrapper_&&this.workspace_.addChangeListener(this.reflowWrapper_)};
-Blockly.Flyout.prototype.isScrollable=function(){return this.scrollbar?this.scrollbar.isVisible():!1};
-Blockly.Flyout.prototype.placeNewBlock_=function(a){var b=this.targetWorkspace;if(!a.getSvgRoot())throw Error("oldBlock is not rendered.");var c=Blockly.Xml.blockToDom(a,!0);b.setResizesEnabled(!1);c=Blockly.Xml.domToBlock(c,b);if(!c.getSvgRoot())throw Error("block is not rendered.");var d=b.getOriginOffsetInPixels(),e=this.workspace_.getOriginOffsetInPixels();a=a.getRelativeToSurfaceXY();a.scale(this.workspace_.scale);a=Blockly.utils.Coordinate.sum(e,a);d=Blockly.utils.Coordinate.difference(a,d);
-d.scale(1/b.scale);c.moveBy(d.x,d.y);return c};Blockly.Flyout.prototype.onBlocklyAction=function(a){return this.workspace_.getCursor().onBlocklyAction(a)};Blockly.HorizontalFlyout=function(a){Blockly.HorizontalFlyout.superClass_.constructor.call(this,a);this.horizontalLayout=!0};Blockly.utils.object.inherits(Blockly.HorizontalFlyout,Blockly.Flyout);
-Blockly.HorizontalFlyout.prototype.getMetrics_=function(){if(!this.isVisible())return null;try{var a=this.workspace_.getCanvas().getBBox()}catch(e){a={height:0,y:0,width:0,x:0}}var b=this.SCROLLBAR_PADDING,c=this.SCROLLBAR_PADDING;this.toolboxPosition_==Blockly.TOOLBOX_AT_BOTTOM&&(b=0);var d=this.height_;this.toolboxPosition_==Blockly.TOOLBOX_AT_TOP&&(d-=this.SCROLLBAR_PADDING);return{contentHeight:(a.height+2*this.MARGIN)*this.workspace_.scale,contentWidth:(a.width+2*this.MARGIN)*this.workspace_.scale,
-contentTop:0,contentLeft:0,viewHeight:d,viewWidth:this.width_-2*this.SCROLLBAR_PADDING,viewTop:-this.workspace_.scrollY,viewLeft:-this.workspace_.scrollX,absoluteTop:b,absoluteLeft:c}};Blockly.HorizontalFlyout.prototype.setMetrics_=function(a){var b=this.getMetrics_();b&&("number"==typeof a.x&&(this.workspace_.scrollX=-b.contentWidth*a.x),this.workspace_.translate(this.workspace_.scrollX+b.absoluteLeft,this.workspace_.scrollY+b.absoluteTop))};
-Blockly.HorizontalFlyout.prototype.position=function(){if(this.isVisible()){var a=this.targetWorkspace.getMetrics();a&&(this.width_=a.viewWidth,this.setBackgroundPath_(a.viewWidth-2*this.CORNER_RADIUS,this.height_-this.CORNER_RADIUS),this.positionAt_(this.width_,this.height_,0,this.targetWorkspace.toolboxPosition==this.toolboxPosition_?a.toolboxHeight?this.toolboxPosition_==Blockly.TOOLBOX_AT_TOP?a.toolboxHeight:a.viewHeight-this.height_:this.toolboxPosition_==Blockly.TOOLBOX_AT_TOP?0:a.viewHeight:
-this.toolboxPosition_==Blockly.TOOLBOX_AT_TOP?0:a.viewHeight+a.absoluteTop-this.height_))}};
-Blockly.HorizontalFlyout.prototype.setBackgroundPath_=function(a,b){var c=this.toolboxPosition_==Blockly.TOOLBOX_AT_TOP,d=["M 0,"+(c?0:this.CORNER_RADIUS)];c?(d.push("h",a+2*this.CORNER_RADIUS),d.push("v",b),d.push("a",this.CORNER_RADIUS,this.CORNER_RADIUS,0,0,1,-this.CORNER_RADIUS,this.CORNER_RADIUS),d.push("h",-a),d.push("a",this.CORNER_RADIUS,this.CORNER_RADIUS,0,0,1,-this.CORNER_RADIUS,-this.CORNER_RADIUS)):(d.push("a",this.CORNER_RADIUS,this.CORNER_RADIUS,0,0,1,this.CORNER_RADIUS,-this.CORNER_RADIUS),
-d.push("h",a),d.push("a",this.CORNER_RADIUS,this.CORNER_RADIUS,0,0,1,this.CORNER_RADIUS,this.CORNER_RADIUS),d.push("v",b),d.push("h",-a-2*this.CORNER_RADIUS));d.push("z");this.svgBackground_.setAttribute("d",d.join(" "))};Blockly.HorizontalFlyout.prototype.scrollToStart=function(){this.scrollbar.set(this.RTL?Infinity:0)};
-Blockly.HorizontalFlyout.prototype.wheel_=function(a){var b=Blockly.utils.getScrollDeltaPixels(a),c=b.x||b.y;c&&(b=this.getMetrics_(),c=b.viewLeft+c,c=Math.min(c,b.contentWidth-b.viewWidth),c=Math.max(c,0),this.scrollbar.set(c),Blockly.WidgetDiv.hide(),Blockly.DropDownDiv.hideWithoutAnimation());a.preventDefault();a.stopPropagation()};
-Blockly.HorizontalFlyout.prototype.layout_=function(a,b){this.workspace_.scale=this.targetWorkspace.scale;var c=this.MARGIN,d=c+this.tabWidth_;this.RTL&&(a=a.reverse());for(var e=0,f;f=a[e];e++)if("block"==f.type){f=f.block;for(var g=f.getDescendants(!1),h=0,k;k=g[h];h++)k.isInFlyout=!0;f.render();g=f.getSvgRoot();h=f.getHeightWidth();k=f.outputConnection?this.tabWidth_:0;k=this.RTL?d+h.width:d-k;f.moveBy(k,c);k=this.createRect_(f,k,c,h,e);d+=h.width+b[e];this.addBlockListeners_(g,f,k)}else"button"==
-f.type&&(this.initFlyoutButton_(f.button,d,c),d+=f.button.width+b[e])};Blockly.HorizontalFlyout.prototype.isDragTowardWorkspace=function(a){a=Math.atan2(a.y,a.x)/Math.PI*180;var b=this.dragAngleRange_;return a<90+b&&a>90-b||a>-90-b&&a<-90+b?!0:!1};
-Blockly.HorizontalFlyout.prototype.getClientRect=function(){if(!this.svgGroup_)return null;var a=this.svgGroup_.getBoundingClientRect(),b=a.top;return this.toolboxPosition_==Blockly.TOOLBOX_AT_TOP?new Blockly.utils.Rect(-1E9,b+a.height,-1E9,1E9):new Blockly.utils.Rect(b,1E9,-1E9,1E9)};
-Blockly.HorizontalFlyout.prototype.reflowInternal_=function(){this.workspace_.scale=this.targetWorkspace.scale;for(var a=0,b=this.workspace_.getTopBlocks(!1),c=0,d;d=b[c];c++)a=Math.max(a,d.getHeightWidth().height);a+=1.5*this.MARGIN;a*=this.workspace_.scale;a+=Blockly.Scrollbar.scrollbarThickness;if(this.height_!=a){for(c=0;d=b[c];c++)d.flyoutRect_&&this.moveRectToBlock_(d.flyoutRect_,d);this.targetWorkspace.toolboxPosition!=this.toolboxPosition_||this.toolboxPosition_!=Blockly.TOOLBOX_AT_TOP||this.targetWorkspace.getToolbox()||
-this.targetWorkspace.translate(0,this.targetWorkspace.scrollY+a);this.height_=a;this.position()}};Blockly.registry.register(Blockly.registry.Type.FLYOUTS_HORIZONTAL_TOOLBOX,Blockly.registry.DEFAULT,Blockly.HorizontalFlyout);Blockly.VerticalFlyout=function(a){Blockly.VerticalFlyout.superClass_.constructor.call(this,a)};Blockly.utils.object.inherits(Blockly.VerticalFlyout,Blockly.Flyout);Blockly.VerticalFlyout.registryName="verticalFlyout";
-Blockly.VerticalFlyout.prototype.getMetrics_=function(){if(!this.isVisible())return null;try{var a=this.workspace_.getCanvas().getBBox()}catch(e){a={height:0,y:0,width:0,x:0}}var b=this.SCROLLBAR_PADDING,c=this.height_-2*this.SCROLLBAR_PADDING,d=this.width_;this.RTL||(d-=this.SCROLLBAR_PADDING);return{contentHeight:a.height*this.workspace_.scale+2*this.MARGIN,contentWidth:a.width*this.workspace_.scale+2*this.MARGIN,contentTop:a.y,contentLeft:a.x,viewHeight:c,viewWidth:d,viewTop:-this.workspace_.scrollY+
-a.y,viewLeft:-this.workspace_.scrollX,absoluteTop:b,absoluteLeft:0}};Blockly.VerticalFlyout.prototype.setMetrics_=function(a){var b=this.getMetrics_();b&&("number"==typeof a.y&&(this.workspace_.scrollY=-b.contentHeight*a.y),this.workspace_.translate(this.workspace_.scrollX+b.absoluteLeft,this.workspace_.scrollY+b.absoluteTop))};
-Blockly.VerticalFlyout.prototype.position=function(){if(this.isVisible()){var a=this.targetWorkspace.getMetrics();a&&(this.height_=a.viewHeight,this.setBackgroundPath_(this.width_-this.CORNER_RADIUS,a.viewHeight-2*this.CORNER_RADIUS),this.positionAt_(this.width_,this.height_,this.targetWorkspace.toolboxPosition==this.toolboxPosition_?a.toolboxWidth?this.toolboxPosition_==Blockly.TOOLBOX_AT_LEFT?a.toolboxWidth:a.viewWidth-this.width_:this.toolboxPosition_==Blockly.TOOLBOX_AT_LEFT?0:a.viewWidth:this.toolboxPosition_==
-Blockly.TOOLBOX_AT_LEFT?0:a.viewWidth+a.absoluteLeft-this.width_,0))}};
-Blockly.VerticalFlyout.prototype.setBackgroundPath_=function(a,b){var c=this.toolboxPosition_==Blockly.TOOLBOX_AT_RIGHT,d=a+this.CORNER_RADIUS;d=["M "+(c?d:0)+",0"];d.push("h",c?-a:a);d.push("a",this.CORNER_RADIUS,this.CORNER_RADIUS,0,0,c?0:1,c?-this.CORNER_RADIUS:this.CORNER_RADIUS,this.CORNER_RADIUS);d.push("v",Math.max(0,b));d.push("a",this.CORNER_RADIUS,this.CORNER_RADIUS,0,0,c?0:1,c?this.CORNER_RADIUS:-this.CORNER_RADIUS,this.CORNER_RADIUS);d.push("h",c?a:-a);d.push("z");this.svgBackground_.setAttribute("d",
-d.join(" "))};Blockly.VerticalFlyout.prototype.scrollToStart=function(){this.scrollbar.set(0)};Blockly.VerticalFlyout.prototype.wheel_=function(a){var b=Blockly.utils.getScrollDeltaPixels(a);if(b.y){var c=this.getMetrics_();b=c.viewTop-c.contentTop+b.y;b=Math.min(b,c.contentHeight-c.viewHeight);b=Math.max(b,0);this.scrollbar.set(b);Blockly.WidgetDiv.hide();Blockly.DropDownDiv.hideWithoutAnimation()}a.preventDefault();a.stopPropagation()};
-Blockly.VerticalFlyout.prototype.layout_=function(a,b){this.workspace_.scale=this.targetWorkspace.scale;for(var c=this.MARGIN,d=this.RTL?c:c+this.tabWidth_,e=0,f;f=a[e];e++)if("block"==f.type){f=f.block;for(var g=f.getDescendants(!1),h=0,k;k=g[h];h++)k.isInFlyout=!0;f.render();g=f.getSvgRoot();h=f.getHeightWidth();k=f.outputConnection?d-this.tabWidth_:d;f.moveBy(k,c);k=this.createRect_(f,this.RTL?k-h.width:k,c,h,e);this.addBlockListeners_(g,f,k);c+=h.height+b[e]}else"button"==f.type&&(this.initFlyoutButton_(f.button,
-d,c),c+=f.button.height+b[e])};Blockly.VerticalFlyout.prototype.isDragTowardWorkspace=function(a){a=Math.atan2(a.y,a.x)/Math.PI*180;var b=this.dragAngleRange_;return a<b&&a>-b||a<-180+b||a>180-b?!0:!1};Blockly.VerticalFlyout.prototype.getClientRect=function(){if(!this.svgGroup_)return null;var a=this.svgGroup_.getBoundingClientRect(),b=a.left;return this.toolboxPosition_==Blockly.TOOLBOX_AT_LEFT?new Blockly.utils.Rect(-1E9,1E9,-1E9,b+a.width):new Blockly.utils.Rect(-1E9,1E9,b,1E9)};
-Blockly.VerticalFlyout.prototype.reflowInternal_=function(){this.workspace_.scale=this.targetWorkspace.scale;for(var a=0,b=this.workspace_.getTopBlocks(!1),c=0,d;d=b[c];c++){var e=d.getHeightWidth().width;d.outputConnection&&(e-=this.tabWidth_);a=Math.max(a,e)}for(c=0;d=this.buttons_[c];c++)a=Math.max(a,d.width);a+=1.5*this.MARGIN+this.tabWidth_;a*=this.workspace_.scale;a+=Blockly.Scrollbar.scrollbarThickness;if(this.width_!=a){for(c=0;d=b[c];c++){if(this.RTL){e=d.getRelativeToSurfaceXY().x;var f=
-a/this.workspace_.scale-this.MARGIN;d.outputConnection||(f-=this.tabWidth_);d.moveBy(f-e,0)}d.flyoutRect_&&this.moveRectToBlock_(d.flyoutRect_,d)}if(this.RTL)for(c=0;d=this.buttons_[c];c++)b=d.getPosition().y,d.moveTo(a/this.workspace_.scale-d.width-this.MARGIN-this.tabWidth_,b);this.targetWorkspace.toolboxPosition!=this.toolboxPosition_||this.toolboxPosition_!=Blockly.TOOLBOX_AT_LEFT||this.targetWorkspace.getToolbox()||this.targetWorkspace.translate(this.targetWorkspace.scrollX+a,0);this.width_=
-a;this.position()}};Blockly.registry.register(Blockly.registry.Type.FLYOUTS_VERTICAL_TOOLBOX,Blockly.registry.DEFAULT,Blockly.VerticalFlyout);Blockly.FlyoutButton=function(a,b,c,d){this.workspace_=a;this.targetWorkspace_=b;this.text_=c.text;this.position_=new Blockly.utils.Coordinate(0,0);this.isLabel_=d;this.callbackKey_=c.callbackKey||c.callbackkey;this.cssClass_=c["web-class"]||null;this.onMouseUpWrapper_=null;this.info=c};Blockly.FlyoutButton.MARGIN_X=5;Blockly.FlyoutButton.MARGIN_Y=2;Blockly.FlyoutButton.prototype.width=0;Blockly.FlyoutButton.prototype.height=0;
-Blockly.FlyoutButton.prototype.createDom=function(){var a=this.isLabel_?"blocklyFlyoutLabel":"blocklyFlyoutButton";this.cssClass_&&(a+=" "+this.cssClass_);this.svgGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{"class":a},this.workspace_.getCanvas());if(!this.isLabel_)var b=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{"class":"blocklyFlyoutButtonShadow",rx:4,ry:4,x:1,y:1},this.svgGroup_);a=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{"class":this.isLabel_?
-"blocklyFlyoutLabelBackground":"blocklyFlyoutButtonBackground",rx:4,ry:4},this.svgGroup_);var c=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.TEXT,{"class":this.isLabel_?"blocklyFlyoutLabelText":"blocklyText",x:0,y:0,"text-anchor":"middle"},this.svgGroup_),d=Blockly.utils.replaceMessageReferences(this.text_);this.workspace_.RTL&&(d+="\u200f");c.textContent=d;this.isLabel_&&(this.svgText_=c,this.workspace_.getThemeManager().subscribe(this.svgText_,"flyoutForegroundColour","fill"));var e=Blockly.utils.style.getComputedStyle(c,
-"fontSize"),f=Blockly.utils.style.getComputedStyle(c,"fontWeight"),g=Blockly.utils.style.getComputedStyle(c,"fontFamily");this.width=Blockly.utils.dom.getFastTextWidthWithSizeString(c,e,f,g);d=Blockly.utils.dom.measureFontMetrics(d,e,f,g);this.height=d.height;this.isLabel_||(this.width+=2*Blockly.FlyoutButton.MARGIN_X,this.height+=2*Blockly.FlyoutButton.MARGIN_Y,b.setAttribute("width",this.width),b.setAttribute("height",this.height));a.setAttribute("width",this.width);a.setAttribute("height",this.height);
-c.setAttribute("x",this.width/2);c.setAttribute("y",this.height/2-d.height/2+d.baseline);this.updateTransform_();this.onMouseUpWrapper_=Blockly.bindEventWithChecks_(this.svgGroup_,"mouseup",this,this.onMouseUp_);return this.svgGroup_};Blockly.FlyoutButton.prototype.show=function(){this.updateTransform_();this.svgGroup_.setAttribute("display","block")};
-Blockly.FlyoutButton.prototype.updateTransform_=function(){this.svgGroup_.setAttribute("transform","translate("+this.position_.x+","+this.position_.y+")")};Blockly.FlyoutButton.prototype.moveTo=function(a,b){this.position_.x=a;this.position_.y=b;this.updateTransform_()};Blockly.FlyoutButton.prototype.isLabel=function(){return this.isLabel_};Blockly.FlyoutButton.prototype.getPosition=function(){return this.position_};Blockly.FlyoutButton.prototype.getButtonText=function(){return this.text_};
-Blockly.FlyoutButton.prototype.getTargetWorkspace=function(){return this.targetWorkspace_};Blockly.FlyoutButton.prototype.dispose=function(){this.onMouseUpWrapper_&&Blockly.unbindEvent_(this.onMouseUpWrapper_);this.svgGroup_&&Blockly.utils.dom.removeNode(this.svgGroup_);this.svgText_&&this.workspace_.getThemeManager().unsubscribe(this.svgText_)};
-Blockly.FlyoutButton.prototype.onMouseUp_=function(a){(a=this.targetWorkspace_.getGesture(a))&&a.cancel();this.isLabel_&&this.callbackKey_?console.warn("Labels should not have callbacks. Label text: "+this.text_):this.isLabel_||this.callbackKey_&&this.targetWorkspace_.getButtonCallback(this.callbackKey_)?this.isLabel_||this.targetWorkspace_.getButtonCallback(this.callbackKey_)(this):console.warn("Buttons should have callbacks. Button text: "+this.text_)};Blockly.Css.register(".blocklyFlyoutButton {,fill: #888;,cursor: default;,},.blocklyFlyoutButtonShadow {,fill: #666;,},.blocklyFlyoutButton:hover {,fill: #aaa;,},.blocklyFlyoutLabel {,cursor: default;,},.blocklyFlyoutLabelBackground {,opacity: 0;,}".split(","));Blockly.Generator=function(a){this.name_=a;this.FUNCTION_NAME_PLACEHOLDER_REGEXP_=new RegExp(this.FUNCTION_NAME_PLACEHOLDER_,"g")};Blockly.Generator.NAME_TYPE="generated_function";Blockly.Generator.prototype.INFINITE_LOOP_TRAP=null;Blockly.Generator.prototype.STATEMENT_PREFIX=null;Blockly.Generator.prototype.STATEMENT_SUFFIX=null;Blockly.Generator.prototype.INDENT="  ";Blockly.Generator.prototype.COMMENT_WRAP=60;Blockly.Generator.prototype.ORDER_OVERRIDES=[];
-Blockly.Generator.prototype.workspaceToCode=function(a){a||(console.warn("No workspace specified in workspaceToCode call.  Guessing."),a=Blockly.getMainWorkspace());var b=[];this.init(a);a=a.getTopBlocks(!0);for(var c=0,d;d=a[c];c++){var e=this.blockToCode(d);Array.isArray(e)&&(e=e[0]);e&&(d.outputConnection&&(e=this.scrubNakedValue(e),this.STATEMENT_PREFIX&&!d.suppressPrefixSuffix&&(e=this.injectId(this.STATEMENT_PREFIX,d)+e),this.STATEMENT_SUFFIX&&!d.suppressPrefixSuffix&&(e+=this.injectId(this.STATEMENT_SUFFIX,
-d))),b.push(e))}b=b.join("\n");b=this.finish(b);b=b.replace(/^\s+\n/,"");b=b.replace(/\n\s+$/,"\n");return b=b.replace(/[ \t]+\n/g,"\n")};Blockly.Generator.prototype.prefixLines=function(a,b){return b+a.replace(/(?!\n$)\n/g,"\n"+b)};Blockly.Generator.prototype.allNestedComments=function(a){var b=[];a=a.getDescendants(!0);for(var c=0;c<a.length;c++){var d=a[c].getCommentText();d&&b.push(d)}b.length&&b.push("");return b.join("\n")};
-Blockly.Generator.prototype.blockToCode=function(a,b){if(!a)return"";if(!a.isEnabled())return b?"":this.blockToCode(a.getNextBlock());if(a.isInsertionMarker())return b?"":this.blockToCode(a.getChildren(!1)[0]);var c=this[a.type];if("function"!=typeof c)throw Error('Language "'+this.name_+'" does not know how to generate  code for block type "'+a.type+'".');c=c.call(a,a);if(Array.isArray(c)){if(!a.outputConnection)throw TypeError("Expecting string from statement block: "+a.type);return[this.scrub_(a,
-c[0],b),c[1]]}if("string"==typeof c)return this.STATEMENT_PREFIX&&!a.suppressPrefixSuffix&&(c=this.injectId(this.STATEMENT_PREFIX,a)+c),this.STATEMENT_SUFFIX&&!a.suppressPrefixSuffix&&(c+=this.injectId(this.STATEMENT_SUFFIX,a)),this.scrub_(a,c,b);if(null===c)return"";throw SyntaxError("Invalid code generated: "+c);};
-Blockly.Generator.prototype.valueToCode=function(a,b,c){if(isNaN(c))throw TypeError("Expecting valid order from block: "+a.type);var d=a.getInputTargetBlock(b);if(!d)return"";b=this.blockToCode(d);if(""===b)return"";if(!Array.isArray(b))throw TypeError("Expecting tuple from value block: "+d.type);a=b[0];b=b[1];if(isNaN(b))throw TypeError("Expecting valid order from value block: "+d.type);if(!a)return"";d=!1;var e=Math.floor(c),f=Math.floor(b);if(e<=f&&(e!=f||0!=e&&99!=e))for(d=!0,e=0;e<this.ORDER_OVERRIDES.length;e++)if(this.ORDER_OVERRIDES[e][0]==
-c&&this.ORDER_OVERRIDES[e][1]==b){d=!1;break}d&&(a="("+a+")");return a};Blockly.Generator.prototype.statementToCode=function(a,b){a=a.getInputTargetBlock(b);b=this.blockToCode(a);if("string"!=typeof b)throw TypeError("Expecting code from statement block: "+(a&&a.type));b&&(b=this.prefixLines(b,this.INDENT));return b};
-Blockly.Generator.prototype.addLoopTrap=function(a,b){this.INFINITE_LOOP_TRAP&&(a=this.prefixLines(this.injectId(this.INFINITE_LOOP_TRAP,b),this.INDENT)+a);this.STATEMENT_SUFFIX&&!b.suppressPrefixSuffix&&(a=this.prefixLines(this.injectId(this.STATEMENT_SUFFIX,b),this.INDENT)+a);this.STATEMENT_PREFIX&&!b.suppressPrefixSuffix&&(a+=this.prefixLines(this.injectId(this.STATEMENT_PREFIX,b),this.INDENT));return a};
-Blockly.Generator.prototype.injectId=function(a,b){b=b.id.replace(/\$/g,"$$$$");return a.replace(/%1/g,"'"+b+"'")};Blockly.Generator.prototype.RESERVED_WORDS_="";Blockly.Generator.prototype.addReservedWords=function(a){this.RESERVED_WORDS_+=a+","};Blockly.Generator.prototype.FUNCTION_NAME_PLACEHOLDER_="{leCUI8hutHZI4480Dc}";
-Blockly.Generator.prototype.provideFunction_=function(a,b){if(!this.definitions_[a]){var c=this.variableDB_.getDistinctName(a,Blockly.PROCEDURE_CATEGORY_NAME);this.functionNames_[a]=c;b=b.join("\n").replace(this.FUNCTION_NAME_PLACEHOLDER_REGEXP_,c);for(var d;d!=b;)d=b,b=b.replace(/^(( {2})*) {2}/gm,"$1\x00");b=b.replace(/\0/g,this.INDENT);this.definitions_[a]=b}return this.functionNames_[a]};Blockly.Generator.prototype.init=function(a){};Blockly.Generator.prototype.scrub_=function(a,b,c){return b};
-Blockly.Generator.prototype.finish=function(a){return a};Blockly.Generator.prototype.scrubNakedValue=function(a){return a};Blockly.ToolboxItem=function(a,b,c){this.id_=a.id||Blockly.utils.IdGenerator.getNextUniqueId();this.level_=(this.parent_=c||null)?this.parent_.getLevel()+1:0;this.toolboxItemDef_=a;this.parentToolbox_=b;this.workspace_=this.parentToolbox_.getWorkspace()};Blockly.ToolboxItem.prototype.init=function(){};Blockly.ToolboxItem.prototype.getDiv=function(){return null};Blockly.ToolboxItem.prototype.getId=function(){return this.id_};Blockly.ToolboxItem.prototype.getParent=function(){return null};
-Blockly.ToolboxItem.prototype.getLevel=function(){return this.level_};Blockly.ToolboxItem.prototype.isSelectable=function(){return!1};Blockly.ToolboxItem.prototype.isCollapsible=function(){return!1};Blockly.ToolboxItem.prototype.dispose=function(){};Blockly.ToolboxCategory=function(a,b,c){Blockly.ToolboxCategory.superClass_.constructor.call(this,a,b,c);this.name_=Blockly.utils.replaceMessageReferences(a.name);this.colour_=this.getColour_(a);this.iconDom_=this.rowContents_=this.rowDiv_=this.htmlDiv_=null;this.cssConfig_=this.makeDefaultCssConfig_();Blockly.utils.object.mixin(this.cssConfig_,a.cssconfig||a.cssConfig);this.isDisabled_=this.isHidden_=!1;this.flyoutItems_=[];this.parseContents_(a)};
-Blockly.utils.object.inherits(Blockly.ToolboxCategory,Blockly.ToolboxItem);Blockly.ToolboxCategory.registrationName="category";Blockly.ToolboxCategory.nestedPadding=19;Blockly.ToolboxCategory.borderWidth=8;Blockly.ToolboxCategory.defaultBackgroundColour="#57e";
-Blockly.ToolboxCategory.prototype.makeDefaultCssConfig_=function(){return{container:"blocklyToolboxCategory",row:"blocklyTreeRow",rowContentContainer:"blocklyTreeRowContentContainer",icon:"blocklyTreeIcon",label:"blocklyTreeLabel",contents:"blocklyToolboxContents",selected:"blocklyTreeSelected",openIcon:"blocklyTreeIconOpen",closedIcon:"blocklyTreeIconClosed"}};
-Blockly.ToolboxCategory.prototype.parseContents_=function(a){var b=a.contents;if(a.custom)this.flyoutItems_=a.custom;else if(b){a=0;for(var c;c=b[a];a++)this.flyoutItems_.push(c)}};Blockly.ToolboxCategory.prototype.init=function(){this.createDom_();"true"==this.toolboxItemDef_.hidden&&this.hide()};
-Blockly.ToolboxCategory.prototype.createDom_=function(){this.htmlDiv_=this.createContainer_();Blockly.utils.aria.setRole(this.htmlDiv_,Blockly.utils.aria.Role.TREEITEM);Blockly.utils.aria.setState(this.htmlDiv_,Blockly.utils.aria.State.SELECTED,!1);Blockly.utils.aria.setState(this.htmlDiv_,Blockly.utils.aria.State.LEVEL,this.level_);this.rowDiv_=this.createRowContainer_();this.rowDiv_.setAttribute("id",this.id_);this.rowDiv_.style.pointerEvents="auto";this.htmlDiv_.appendChild(this.rowDiv_);this.rowContents_=
-this.createRowContentsContainer_();this.rowContents_.style.pointerEvents="none";this.rowDiv_.appendChild(this.rowContents_);this.iconDom_=this.createIconDom_();Blockly.utils.aria.setRole(this.iconDom_,Blockly.utils.aria.Role.PRESENTATION);this.rowContents_.appendChild(this.iconDom_);var a=this.createLabelDom_(this.name_);this.rowContents_.appendChild(a);Blockly.utils.aria.setState(this.htmlDiv_,Blockly.utils.aria.State.LABELLEDBY,a.getAttribute("id"));this.addColourBorder_(this.colour_);return this.htmlDiv_};
-Blockly.ToolboxCategory.prototype.createContainer_=function(){var a=document.createElement("div");Blockly.utils.dom.addClass(a,this.cssConfig_.container);return a};Blockly.ToolboxCategory.prototype.createRowContainer_=function(){var a=document.createElement("div");Blockly.utils.dom.addClass(a,this.cssConfig_.row);var b=Blockly.ToolboxCategory.nestedPadding*this.getLevel();b=b.toString()+"px";this.workspace_.RTL?a.style.paddingRight=b:a.style.paddingLeft=b;return a};
-Blockly.ToolboxCategory.prototype.createRowContentsContainer_=function(){var a=document.createElement("div");Blockly.utils.dom.addClass(a,this.cssConfig_.rowContentContainer);return a};Blockly.ToolboxCategory.prototype.createIconDom_=function(){var a=document.createElement("span");this.parentToolbox_.isHorizontal()||Blockly.utils.dom.addClass(a,this.cssConfig_.icon);a.style.display="inline-block";return a};
-Blockly.ToolboxCategory.prototype.createLabelDom_=function(a){var b=document.createElement("span");b.setAttribute("id",this.getId()+".label");b.textContent=a;Blockly.utils.dom.addClass(b,this.cssConfig_.label);return b};Blockly.ToolboxCategory.prototype.refreshTheme=function(){this.colour_=this.getColour_(this.toolboxItemDef_);this.addColourBorder_(this.colour_)};
-Blockly.ToolboxCategory.prototype.addColourBorder_=function(a){a&&(a=Blockly.ToolboxCategory.borderWidth+"px solid "+(a||"#ddd"),this.workspace_.RTL?this.rowDiv_.style.borderRight=a:this.rowDiv_.style.borderLeft=a)};Blockly.ToolboxCategory.prototype.getColour_=function(a){var b=a.categorystyle||a.categoryStyle;if((a=a.colour)&&b)console.warn('Toolbox category "'+this.name_+'" must not have both a style and a colour');else return b?this.getColourfromStyle_(b):this.parseColour_(a);return""};
-Blockly.ToolboxCategory.prototype.getColourfromStyle_=function(a){var b=this.workspace_.getTheme();if(a&&b){if((b=b.categoryStyles[a])&&b.colour)return this.parseColour_(b.colour);console.warn('Style "'+a+'" must exist and contain a colour value')}return""};
-Blockly.ToolboxCategory.prototype.parseColour_=function(a){a=Blockly.utils.replaceMessageReferences(a);if(null==a||""===a)return"";var b=Number(a);if(isNaN(b)){if(b=Blockly.utils.colour.parse(a))return b;console.warn('Toolbox category "'+this.name_+'" has unrecognized colour attribute: '+a);return""}return Blockly.hueToHex(b)};Blockly.ToolboxCategory.prototype.openIcon_=function(a){a&&(Blockly.utils.dom.removeClasses(a,this.cssConfig_.closedIcon),Blockly.utils.dom.addClass(a,this.cssConfig_.openIcon))};
-Blockly.ToolboxCategory.prototype.closeIcon_=function(a){a&&(Blockly.utils.dom.removeClasses(a,this.cssConfig_.openIcon),Blockly.utils.dom.addClass(a,this.cssConfig_.closedIcon))};Blockly.ToolboxCategory.prototype.setVisible_=function(a){this.htmlDiv_.style.display=a?"block":"none";this.isHidden_=!a;this.parentToolbox_.getSelectedItem()==this&&this.parentToolbox_.clearSelection()};Blockly.ToolboxCategory.prototype.hide=function(){this.setVisible_(!1)};Blockly.ToolboxCategory.prototype.show=function(){this.setVisible_(!0)};
-Blockly.ToolboxCategory.prototype.isVisible=function(){return!this.isHidden_&&this.allAncestorsExpanded_()};Blockly.ToolboxCategory.prototype.allAncestorsExpanded_=function(){for(var a=this;a.getParent();)if(a=a.getParent(),!a.isExpanded())return!1;return!0};Blockly.ToolboxCategory.prototype.isSelectable=function(){return this.isVisible()&&!this.isDisabled_};Blockly.ToolboxCategory.prototype.onClick=function(a){};
-Blockly.ToolboxCategory.prototype.setSelected=function(a){if(a){var b=this.parseColour_(Blockly.ToolboxCategory.defaultBackgroundColour);this.rowDiv_.style.backgroundColor=this.colour_||b;Blockly.utils.dom.addClass(this.rowDiv_,this.cssConfig_.selected)}else this.rowDiv_.style.backgroundColor="",Blockly.utils.dom.removeClass(this.rowDiv_,this.cssConfig_.selected);Blockly.utils.aria.setState(this.htmlDiv_,Blockly.utils.aria.State.SELECTED,a)};
-Blockly.ToolboxCategory.prototype.setDisabled=function(a){this.isDisabled_=a;this.getDiv().setAttribute("disabled",a);a?this.getDiv().setAttribute("disabled","true"):this.getDiv().removeAttribute("disabled")};Blockly.ToolboxCategory.prototype.getName=function(){return this.name_};Blockly.ToolboxCategory.prototype.getParent=function(){return this.parent_};Blockly.ToolboxCategory.prototype.getDiv=function(){return this.htmlDiv_};Blockly.ToolboxCategory.prototype.getContents=function(){return this.flyoutItems_};
-Blockly.ToolboxCategory.prototype.updateFlyoutContents=function(a){this.flyoutItems_=[];"string"==typeof a?this.toolboxItemDef_.custom=a:(delete this.toolboxItemDef_.custom,this.toolboxItemDef_.contents=Blockly.utils.toolbox.convertFlyoutDefToJsonArray(a));this.parseContents_(this.toolboxItemDef_)};Blockly.ToolboxCategory.prototype.dispose=function(){Blockly.utils.dom.removeNode(this.htmlDiv_)};
-Blockly.Css.register([".blocklyTreeRow:not(.blocklyTreeSelected):hover {","background-color: rgba(255, 255, 255, 0.2);","}",'.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {',"margin: 1px 5px 1px 0;","}",'.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {',"margin: 1px 0 1px 5px;","}",".blocklyTreeRow {","height: 22px;","line-height: 22px;","margin-bottom: 3px;","padding-right: 8px;","white-space: nowrap;","}",'.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {',"margin-left: 8px;",
-"padding-right: 0px","}",".blocklyTreeIcon {","background-image: url(<<<PATH>>>/sprites.png);","height: 16px;","vertical-align: middle;","visibility: hidden;","width: 16px;","}",".blocklyTreeIconClosed {","background-position: -32px -1px;","}",'.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {',"background-position: 0 -1px;","}",".blocklyTreeSelected>.blocklyTreeIconClosed {","background-position: -32px -17px;","}",'.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected>.blocklyTreeIconClosed {',
-"background-position: 0 -17px;","}",".blocklyTreeIconOpen {","background-position: -16px -1px;","}",".blocklyTreeSelected>.blocklyTreeIconOpen {","background-position: -16px -17px;","}",".blocklyTreeLabel {","cursor: default;","font: 16px sans-serif;","padding: 0 3px;","vertical-align: middle;","}",".blocklyToolboxDelete .blocklyTreeLabel {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyTreeSelected .blocklyTreeLabel {","color: #fff;","}"]);
-Blockly.registry.register(Blockly.registry.Type.TOOLBOX_ITEM,Blockly.ToolboxCategory.registrationName,Blockly.ToolboxCategory);Blockly.ToolboxSeparator=function(a,b){Blockly.ToolboxSeparator.superClass_.constructor.call(this,a,b);this.cssConfig_={container:"blocklyTreeSeparator"};Blockly.utils.object.mixin(this.cssConfig_,a.cssconfig||a.cssConfig)};Blockly.utils.object.inherits(Blockly.ToolboxSeparator,Blockly.ToolboxItem);Blockly.ToolboxSeparator.registrationName="sep";Blockly.ToolboxSeparator.prototype.init=function(){this.createDom_()};
-Blockly.ToolboxSeparator.prototype.createDom_=function(){var a=document.createElement("div");Blockly.utils.dom.addClass(a,this.cssConfig_.container);return this.htmlDiv_=a};Blockly.ToolboxSeparator.prototype.getDiv=function(){return this.htmlDiv_};Blockly.ToolboxSeparator.prototype.dispose=function(){Blockly.utils.dom.removeNode(this.htmlDiv_)};Blockly.Css.register('.blocklyTreeSeparator {,border-bottom: solid #e5e5e5 1px;,height: 0;,margin: 5px 0;,},.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {,border-right: solid #e5e5e5 1px;,border-bottom: none;,height: auto;,margin: 0 5px 0 5px;,padding: 5px 0;,width: 0;,}'.split(","));
-Blockly.registry.register(Blockly.registry.Type.TOOLBOX_ITEM,Blockly.ToolboxSeparator.registrationName,Blockly.ToolboxSeparator);Blockly.CollapsibleToolboxCategory=function(a,b,c){this.subcategoriesDiv_=null;this.expanded_=!1;this.toolboxItems_=[];Blockly.CollapsibleToolboxCategory.superClass_.constructor.call(this,a,b,c)};Blockly.utils.object.inherits(Blockly.CollapsibleToolboxCategory,Blockly.ToolboxCategory);Blockly.CollapsibleToolboxCategory.registrationName="collapsibleCategory";
-Blockly.CollapsibleToolboxCategory.prototype.makeDefaultCssConfig_=function(){var a=Blockly.CollapsibleToolboxCategory.superClass_.makeDefaultCssConfig_.call(this);a.contents="blocklyToolboxContents";return a};
-Blockly.CollapsibleToolboxCategory.prototype.parseContents_=function(a){var b=a.contents,c=!0;if(a.custom)this.flyoutItems_=a.custom;else if(b){a=0;for(var d;d=b[a];a++)!Blockly.registry.hasItem(Blockly.registry.Type.TOOLBOX_ITEM,d.kind)||d.kind.toLowerCase()==Blockly.ToolboxSeparator.registrationName&&c?(this.flyoutItems_.push(d),c=!0):(this.createToolboxItem_(d),c=!1)}};
-Blockly.CollapsibleToolboxCategory.prototype.createToolboxItem_=function(a){var b=a.kind;"CATEGORY"==b.toUpperCase()&&Blockly.utils.toolbox.isCategoryCollapsible(a)&&(b=Blockly.CollapsibleToolboxCategory.registrationName);a=new (Blockly.registry.getClass(Blockly.registry.Type.TOOLBOX_ITEM,b))(a,this.parentToolbox_,this);this.toolboxItems_.push(a)};
-Blockly.CollapsibleToolboxCategory.prototype.init=function(){Blockly.CollapsibleToolboxCategory.superClass_.init.call(this);this.setExpanded("true"==this.toolboxItemDef_.expanded||this.toolboxItemDef_.expanded)};
-Blockly.CollapsibleToolboxCategory.prototype.createDom_=function(){Blockly.CollapsibleToolboxCategory.superClass_.createDom_.call(this);var a=this.getChildToolboxItems();this.subcategoriesDiv_=this.createSubCategoriesDom_(a);Blockly.utils.aria.setRole(this.subcategoriesDiv_,Blockly.utils.aria.Role.GROUP);this.htmlDiv_.appendChild(this.subcategoriesDiv_);return this.htmlDiv_};
-Blockly.CollapsibleToolboxCategory.prototype.createIconDom_=function(){var a=document.createElement("span");this.parentToolbox_.isHorizontal()||(Blockly.utils.dom.addClass(a,this.cssConfig_.icon),a.style.visibility="visible");a.style.display="inline-block";return a};Blockly.CollapsibleToolboxCategory.prototype.createSubCategoriesDom_=function(a){var b=document.createElement("div");Blockly.utils.dom.addClass(b,this.cssConfig_.contents);for(var c=0;c<a.length;c++){var d=a[c];d.init();d=d.getDiv();b.appendChild(d)}return b};
-Blockly.CollapsibleToolboxCategory.prototype.setExpanded=function(a){this.expanded_!=a&&((this.expanded_=a)?(this.subcategoriesDiv_.style.display="block",this.openIcon_(this.iconDom_)):(this.subcategoriesDiv_.style.display="none",this.closeIcon_(this.iconDom_)),Blockly.utils.aria.setState(this.htmlDiv_,Blockly.utils.aria.State.EXPANDED,a),this.parentToolbox_.handleToolboxItemResize())};
-Blockly.CollapsibleToolboxCategory.prototype.setVisible_=function(a){this.htmlDiv_.style.display=a?"block":"none";for(var b=0,c;c=this.getChildToolboxItems()[b];b++)c.setVisible_(a);this.isHidden_=!a;this.parentToolbox_.getSelectedItem()==this&&this.parentToolbox_.clearSelection()};Blockly.CollapsibleToolboxCategory.prototype.isExpanded=function(){return this.expanded_};Blockly.CollapsibleToolboxCategory.prototype.isCollapsible=function(){return!0};
-Blockly.CollapsibleToolboxCategory.prototype.onClick=function(a){this.toggleExpanded()};Blockly.CollapsibleToolboxCategory.prototype.toggleExpanded=function(){this.setExpanded(!this.expanded_)};Blockly.CollapsibleToolboxCategory.prototype.getDiv=function(){return this.htmlDiv_};Blockly.CollapsibleToolboxCategory.prototype.getChildToolboxItems=function(){return this.toolboxItems_};Blockly.registry.register(Blockly.registry.Type.TOOLBOX_ITEM,Blockly.CollapsibleToolboxCategory.registrationName,Blockly.CollapsibleToolboxCategory);Blockly.Toolbox=function(a){this.workspace_=a;this.toolboxDef_=a.options.languageTree||{contents:[]};this.horizontalLayout_=a.options.horizontalLayout;this.contentsDiv_=this.HtmlDiv=null;this.contents_=[];this.height_=this.width_=0;this.RTL=a.options.RTL;this.flyout_=null;this.contentMap_={};this.toolboxPosition=a.options.toolboxPosition;this.previouslySelectedItem_=this.selectedItem_=null;this.boundEvents_=[]};
-Blockly.Toolbox.prototype.init=function(){var a=this.workspace_,b=a.getParentSvg();this.flyout_=this.createFlyout_();this.HtmlDiv=this.createDom_(this.workspace_);Blockly.utils.dom.insertAfter(this.flyout_.createDom("svg"),b);this.flyout_.init(a);this.render(this.toolboxDef_);a=a.getThemeManager();a.subscribe(this.HtmlDiv,"toolboxBackgroundColour","background-color");a.subscribe(this.HtmlDiv,"toolboxForegroundColour","color")};
-Blockly.Toolbox.prototype.createDom_=function(a){a=a.getParentSvg();var b=this.createContainer_();this.contentsDiv_=this.createContentsContainer_();this.contentsDiv_.tabIndex=0;Blockly.utils.aria.setRole(this.contentsDiv_,Blockly.utils.aria.Role.TREE);b.appendChild(this.contentsDiv_);a.parentNode.insertBefore(b,a);this.attachEvents_(b,this.contentsDiv_);return b};
-Blockly.Toolbox.prototype.createContainer_=function(){var a=document.createElement("div");a.setAttribute("layout",this.isHorizontal()?"h":"v");Blockly.utils.dom.addClass(a,"blocklyToolboxDiv");Blockly.utils.dom.addClass(a,"blocklyNonSelectable");a.setAttribute("dir",this.RTL?"RTL":"LTR");return a};
-Blockly.Toolbox.prototype.createContentsContainer_=function(){var a=document.createElement("div");Blockly.utils.dom.addClass(a,"blocklyToolboxContents");this.isHorizontal()&&(a.style.flexDirection="row");return a};Blockly.Toolbox.prototype.attachEvents_=function(a,b){a=Blockly.bindEventWithChecks_(a,"mousedown",this,this.onClick_,!1,!0);this.boundEvents_.push(a);b=Blockly.bindEventWithChecks_(b,"keydown",this,this.onKeyDown_,!1,!0);this.boundEvents_.push(b)};
-Blockly.Toolbox.prototype.onClick_=function(a){if(Blockly.utils.isRightButton(a)||a.target==this.HtmlDiv)Blockly.hideChaff(!1);else{var b=a.srcElement.getAttribute("id");b&&(b=this.getToolboxItemById(b),b.isSelectable()&&(this.setSelectedItem(b),b.onClick(a)));Blockly.hideChaff(!0)}Blockly.Touch.clearTouchIdentifier()};
-Blockly.Toolbox.prototype.onKeyDown_=function(a){var b=!1;switch(a.keyCode){case Blockly.utils.KeyCodes.DOWN:b=this.selectNext_();break;case Blockly.utils.KeyCodes.UP:b=this.selectPrevious_();break;case Blockly.utils.KeyCodes.LEFT:b=this.selectParent_();break;case Blockly.utils.KeyCodes.RIGHT:b=this.selectChild_();break;case Blockly.utils.KeyCodes.ENTER:case Blockly.utils.KeyCodes.SPACE:this.selectedItem_&&this.selectedItem_.isCollapsible()&&(this.selectedItem_.toggleExpanded(),b=!0);break;default:b=
-!1}b&&a.preventDefault()};
-Blockly.Toolbox.prototype.createFlyout_=function(){var a=this.workspace_,b=new Blockly.Options({parentWorkspace:a,rtl:a.RTL,oneBasedIndex:a.options.oneBasedIndex,horizontalLayout:a.horizontalLayout,renderer:a.options.renderer,rendererOverrides:a.options.rendererOverrides});b.toolboxPosition=a.options.toolboxPosition;a=a.horizontalLayout?Blockly.registry.getClassFromOptions(Blockly.registry.Type.FLYOUTS_HORIZONTAL_TOOLBOX,a.options):Blockly.registry.getClassFromOptions(Blockly.registry.Type.FLYOUTS_VERTICAL_TOOLBOX,a.options);
-if(!a)throw Error("Blockly.VerticalFlyout, Blockly.HorizontalFlyout or your own custom flyout must be required.");return new a(b)};Blockly.Toolbox.prototype.render=function(a){this.toolboxDef_=a;for(var b=0;b<this.contents_.length;b++){var c=this.contents_[b];c&&c.dispose()}this.contents_=[];this.contentMap_={};this.renderContents_(a.contents);this.position()};
-Blockly.Toolbox.prototype.renderContents_=function(a){for(var b=document.createDocumentFragment(),c=0,d;d=a[c];c++)this.createToolboxItem_(d,b);this.contentsDiv_.appendChild(b)};
-Blockly.Toolbox.prototype.createToolboxItem_=function(a,b){var c=a.kind;"CATEGORY"==c.toUpperCase()&&Blockly.utils.toolbox.isCategoryCollapsible(a)&&(c=Blockly.CollapsibleToolboxCategory.registrationName);if(c=Blockly.registry.getClass(Blockly.registry.Type.TOOLBOX_ITEM,c.toLowerCase()))a=new c(a,this),this.addToolboxItem_(a),a.init(),(a=a.getDiv())&&b.appendChild(a)};
-Blockly.Toolbox.prototype.addToolboxItem_=function(a){this.contents_.push(a);this.contentMap_[a.getId()]=a;if(a.isCollapsible())for(var b=0,c;c=a.getChildToolboxItems()[b];b++)this.addToolboxItem_(c)};Blockly.Toolbox.prototype.getToolboxItems=function(){return this.contents_};Blockly.Toolbox.prototype.addStyle=function(a){Blockly.utils.dom.addClass(this.HtmlDiv,a)};Blockly.Toolbox.prototype.removeStyle=function(a){Blockly.utils.dom.removeClass(this.HtmlDiv,a)};
-Blockly.Toolbox.prototype.getClientRect=function(){if(!this.HtmlDiv)return null;var a=this.HtmlDiv.getBoundingClientRect(),b=a.top,c=b+a.height,d=a.left;a=d+a.width;return this.toolboxPosition==Blockly.utils.toolbox.Position.TOP?new Blockly.utils.Rect(-1E7,c,-1E7,1E7):this.toolboxPosition==Blockly.utils.toolbox.Position.BOTTOM?new Blockly.utils.Rect(b,1E7,-1E7,1E7):this.toolboxPosition==Blockly.utils.toolbox.Position.LEFT?new Blockly.utils.Rect(-1E7,1E7,-1E7,a):new Blockly.utils.Rect(-1E7,1E7,d,1E7)};
-Blockly.Toolbox.prototype.getToolboxItemById=function(a){return this.contentMap_[a]};Blockly.Toolbox.prototype.getWidth=function(){return this.width_};Blockly.Toolbox.prototype.getHeight=function(){return this.height_};Blockly.Toolbox.prototype.getFlyout=function(){return this.flyout_};Blockly.Toolbox.prototype.getWorkspace=function(){return this.workspace_};Blockly.Toolbox.prototype.getSelectedItem=function(){return this.selectedItem_};Blockly.Toolbox.prototype.getPreviouslySelectedItem=function(){return this.previouslySelectedItem_};
-Blockly.Toolbox.prototype.isHorizontal=function(){return this.horizontalLayout_};Blockly.Toolbox.prototype.position=function(){var a=this.HtmlDiv;a&&(this.horizontalLayout_?(a.style.left="0",a.style.height="auto",a.style.width="100%",this.height_=a.offsetHeight,this.toolboxPosition==Blockly.TOOLBOX_AT_TOP?a.style.top="0":a.style.bottom="0"):(this.toolboxPosition==Blockly.TOOLBOX_AT_RIGHT?a.style.right="0":a.style.left="0",a.style.height="100%",this.width_=a.offsetWidth),this.flyout_.position())};
-Blockly.Toolbox.prototype.handleToolboxItemResize=function(){var a=this.workspace_,b=this.HtmlDiv.getBoundingClientRect();a.translate(this.toolboxPosition==Blockly.TOOLBOX_AT_LEFT?a.scrollX+b.width:0,this.toolboxPosition==Blockly.TOOLBOX_AT_TOP?a.scrollY+b.height:0);Blockly.svgResize(a)};Blockly.Toolbox.prototype.clearSelection=function(){this.setSelectedItem(null)};Blockly.Toolbox.prototype.refreshTheme=function(){for(var a=0;a<this.contents_.length;a++){var b=this.contents_[a];b.refreshTheme&&b.refreshTheme()}};
-Blockly.Toolbox.prototype.refreshSelection=function(){this.selectedItem_&&this.selectedItem_.isSelectable()&&this.selectedItem_.getContents().length&&this.flyout_.show(this.selectedItem_.getContents())};Blockly.Toolbox.prototype.setVisible=function(a){this.HtmlDiv.style.display=a?"block":"none"};
-Blockly.Toolbox.prototype.setSelectedItem=function(a){var b=this.selectedItem_;!a&&!b||a&&!a.isSelectable()||(this.shouldDeselectItem_(b,a)&&null!=b&&this.deselectItem_(b),this.shouldSelectItem_(b,a)&&null!=a&&this.selectItem_(b,a),this.updateFlyout_(b,a),this.fireSelectEvent_(b,a))};Blockly.Toolbox.prototype.shouldDeselectItem_=function(a,b){return null!=a&&(!a.isCollapsible()||a!=b)};Blockly.Toolbox.prototype.shouldSelectItem_=function(a,b){return null!=b&&b!=a};
-Blockly.Toolbox.prototype.deselectItem_=function(a){this.selectedItem_=null;this.previouslySelectedItem_=a;a.setSelected(!1);Blockly.utils.aria.setState(this.contentsDiv_,Blockly.utils.aria.State.ACTIVEDESCENDANT,"")};Blockly.Toolbox.prototype.selectItem_=function(a,b){this.selectedItem_=b;this.previouslySelectedItem_=a;b.setSelected(!0);Blockly.utils.aria.setState(this.contentsDiv_,Blockly.utils.aria.State.ACTIVEDESCENDANT,b.getId())};
-Blockly.Toolbox.prototype.selectItemByPosition=function(a){-1<a&&a<this.contents_.length&&(a=this.contents_[a],a.isSelectable()&&this.setSelectedItem(a))};Blockly.Toolbox.prototype.updateFlyout_=function(a,b){(a!=b||b.isCollapsible())&&b&&b.getContents().length?(this.flyout_.show(b.getContents()),this.flyout_.scrollToStart()):this.flyout_.hide()};
-Blockly.Toolbox.prototype.fireSelectEvent_=function(a,b){var c=a&&a.getName(),d=b&&b.getName();a==b&&(d=null);a=new Blockly.Events.Ui(null,"category",c,d);a.workspaceId=this.workspace_.id;Blockly.Events.fire(a)};
-Blockly.Toolbox.prototype.onBlocklyAction=function(a){if(!this.selectedItem_)return!1;switch(a.name){case Blockly.navigation.actionNames.PREVIOUS:return this.selectPrevious_();case Blockly.navigation.actionNames.OUT:return this.selectParent_();case Blockly.navigation.actionNames.NEXT:return this.selectNext_();case Blockly.navigation.actionNames.IN:return this.selectChild_();default:return!1}};
-Blockly.Toolbox.prototype.selectParent_=function(){return this.selectedItem_?this.selectedItem_.isCollapsible()&&this.selectedItem_.isExpanded()?(this.selectedItem_.setExpanded(!1),!0):this.selectedItem_.getParent()&&this.selectedItem_.getParent().isSelectable()?(this.setSelectedItem(this.selectedItem_.getParent()),!0):!1:!1};
-Blockly.Toolbox.prototype.selectChild_=function(){if(!this.selectedItem_||!this.selectedItem_.isCollapsible())return!1;var a=this.selectedItem_;a.isExpanded()?this.selectNext_():a.setExpanded(!0);return!0};Blockly.Toolbox.prototype.selectNext_=function(){if(!this.selectedItem_)return!1;var a=this.contents_.indexOf(this.selectedItem_)+1;if(-1<a&&a<this.contents_.length){for(var b=this.contents_[a];b&&!b.isSelectable();)b=this.contents_[++a];if(b&&b.isSelectable())return this.setSelectedItem(b),!0}return!1};
-Blockly.Toolbox.prototype.selectPrevious_=function(){if(!this.selectedItem_)return!1;var a=this.contents_.indexOf(this.selectedItem_)-1;if(-1<a&&a<this.contents_.length){for(var b=this.contents_[a];b&&!b.isSelectable();)b=this.contents_[--a];if(b&&b.isSelectable())return this.setSelectedItem(b),!0}return!1};
-Blockly.Toolbox.prototype.dispose=function(){this.flyout_.dispose();for(var a=0;a<this.contents_.length;a++)this.contents_[a].dispose();for(a=0;a<this.boundEvents_.length;a++)Blockly.unbindEvent_(this.boundEvents_[a]);this.boundEvents_=[];this.contents_=[];this.workspace_.getThemeManager().unsubscribe(this.HtmlDiv);Blockly.utils.dom.removeNode(this.HtmlDiv)};
-Blockly.Css.register([".blocklyToolboxDelete {",'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',"}",".blocklyToolboxGrab {",'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',"cursor: grabbing;","cursor: -webkit-grabbing;","}",".blocklyToolboxDiv {","background-color: #ddd;","overflow-x: visible;","overflow-y: auto;","padding: 4px 0 4px 0;","position: absolute;","z-index: 70;","-webkit-tap-highlight-color: transparent;","}",".blocklyToolboxContents {","display: flex;","flex-wrap: wrap;","flex-direction: column;",
-"}",".blocklyToolboxContents:focus {","outline: none;","}"]);Blockly.registry.register(Blockly.registry.Type.TOOLBOX,Blockly.registry.DEFAULT,Blockly.Toolbox);Blockly.Trashcan=function(a){this.workspace_=a;this.contents_=[];this.flyout=null;if(!(0>=this.workspace_.options.maxTrashcanContents)){a=new Blockly.Options({scrollbars:!0,parentWorkspace:this.workspace_,rtl:this.workspace_.RTL,oneBasedIndex:this.workspace_.options.oneBasedIndex,renderer:this.workspace_.options.renderer,rendererOverrides:this.workspace_.options.rendererOverrides});if(this.workspace_.horizontalLayout){a.toolboxPosition=this.workspace_.toolboxPosition==Blockly.utils.toolbox.Position.TOP?
-Blockly.utils.toolbox.Position.BOTTOM:Blockly.utils.toolbox.Position.TOP;if(!Blockly.HorizontalFlyout)throw Error("Missing require for Blockly.HorizontalFlyout");this.flyout=new Blockly.HorizontalFlyout(a)}else{a.toolboxPosition=this.workspace_.toolboxPosition==Blockly.utils.toolbox.Position.RIGHT?Blockly.utils.toolbox.Position.LEFT:Blockly.utils.toolbox.Position.RIGHT;if(!Blockly.VerticalFlyout)throw Error("Missing require for Blockly.VerticalFlyout");this.flyout=new Blockly.VerticalFlyout(a)}this.workspace_.addChangeListener(this.onDelete_.bind(this))}};
-Blockly.Trashcan.prototype.WIDTH_=47;Blockly.Trashcan.prototype.BODY_HEIGHT_=44;Blockly.Trashcan.prototype.LID_HEIGHT_=16;Blockly.Trashcan.prototype.MARGIN_BOTTOM_=20;Blockly.Trashcan.prototype.MARGIN_SIDE_=20;Blockly.Trashcan.prototype.MARGIN_HOTSPOT_=10;Blockly.Trashcan.prototype.SPRITE_LEFT_=0;Blockly.Trashcan.prototype.SPRITE_TOP_=32;Blockly.Trashcan.prototype.HAS_BLOCKS_LID_ANGLE_=.1;Blockly.Trashcan.ANIMATION_LENGTH_=80;Blockly.Trashcan.ANIMATION_FRAMES_=4;Blockly.Trashcan.OPACITY_MIN_=.4;
-Blockly.Trashcan.OPACITY_MAX_=.8;Blockly.Trashcan.MAX_LID_ANGLE_=45;Blockly.Trashcan.prototype.isLidOpen=!1;Blockly.Trashcan.prototype.minOpenness_=0;Blockly.Trashcan.prototype.svgGroup_=null;Blockly.Trashcan.prototype.svgLid_=null;Blockly.Trashcan.prototype.lidTask_=0;Blockly.Trashcan.prototype.lidOpen_=0;Blockly.Trashcan.prototype.left_=0;Blockly.Trashcan.prototype.top_=0;
-Blockly.Trashcan.prototype.createDom=function(){this.svgGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{"class":"blocklyTrash"},null);var a=String(Math.random()).substring(2);var b=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.CLIPPATH,{id:"blocklyTrashBodyClipPath"+a},this.svgGroup_);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{width:this.WIDTH_,height:this.BODY_HEIGHT_,y:this.LID_HEIGHT_},b);var c=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.IMAGE,{width:Blockly.SPRITE.width,
-x:-this.SPRITE_LEFT_,height:Blockly.SPRITE.height,y:-this.SPRITE_TOP_,"clip-path":"url(#blocklyTrashBodyClipPath"+a+")"},this.svgGroup_);c.setAttributeNS(Blockly.utils.dom.XLINK_NS,"xlink:href",this.workspace_.options.pathToMedia+Blockly.SPRITE.url);b=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.CLIPPATH,{id:"blocklyTrashLidClipPath"+a},this.svgGroup_);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{width:this.WIDTH_,height:this.LID_HEIGHT_},b);this.svgLid_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.IMAGE,
-{width:Blockly.SPRITE.width,x:-this.SPRITE_LEFT_,height:Blockly.SPRITE.height,y:-this.SPRITE_TOP_,"clip-path":"url(#blocklyTrashLidClipPath"+a+")"},this.svgGroup_);this.svgLid_.setAttributeNS(Blockly.utils.dom.XLINK_NS,"xlink:href",this.workspace_.options.pathToMedia+Blockly.SPRITE.url);Blockly.bindEventWithChecks_(this.svgGroup_,"mouseup",this,this.click);Blockly.bindEvent_(c,"mouseover",this,this.mouseOver_);Blockly.bindEvent_(c,"mouseout",this,this.mouseOut_);this.animateLid_();return this.svgGroup_};
-Blockly.Trashcan.prototype.init=function(a){0<this.workspace_.options.maxTrashcanContents&&(Blockly.utils.dom.insertAfter(this.flyout.createDom(Blockly.utils.Svg.SVG),this.workspace_.getParentSvg()),this.flyout.init(this.workspace_));this.verticalSpacing_=this.MARGIN_BOTTOM_+a;this.setLidOpen(!1);return this.verticalSpacing_+this.BODY_HEIGHT_+this.LID_HEIGHT_};
-Blockly.Trashcan.prototype.dispose=function(){this.svgGroup_&&(Blockly.utils.dom.removeNode(this.svgGroup_),this.svgGroup_=null);this.workspace_=this.svgLid_=null;clearTimeout(this.lidTask_)};Blockly.Trashcan.prototype.hasContents_=function(){return!!this.contents_.length};Blockly.Trashcan.prototype.contentsIsOpen=function(){return this.flyout.isVisible()};
-Blockly.Trashcan.prototype.openFlyout=function(){if(!this.contentsIsOpen()){for(var a=[],b=0,c;c=this.contents_[b];b++)a[b]=Blockly.Xml.textToDom(c);this.flyout.show(a);this.fireUiEvent_(!0)}};Blockly.Trashcan.prototype.closeFlyout=function(){this.contentsIsOpen()&&(this.flyout.hide(),this.fireUiEvent_(!1))};Blockly.Trashcan.prototype.emptyContents=function(){this.hasContents_()&&(this.contents_.length=0,this.setMinOpenness_(0),this.closeFlyout())};
-Blockly.Trashcan.prototype.position=function(){if(this.verticalSpacing_){var a=this.workspace_.getMetrics();a&&(this.left_=a.toolboxPosition==Blockly.TOOLBOX_AT_LEFT||this.workspace_.horizontalLayout&&!this.workspace_.RTL?a.viewWidth+a.absoluteLeft-this.WIDTH_-this.MARGIN_SIDE_-Blockly.Scrollbar.scrollbarThickness:this.MARGIN_SIDE_+Blockly.Scrollbar.scrollbarThickness,this.top_=a.toolboxPosition==Blockly.TOOLBOX_AT_BOTTOM?this.verticalSpacing_:a.viewHeight+a.absoluteTop-(this.BODY_HEIGHT_+this.LID_HEIGHT_)-
-this.verticalSpacing_,this.svgGroup_.setAttribute("transform","translate("+this.left_+","+this.top_+")"))}};Blockly.Trashcan.prototype.getClientRect=function(){if(!this.svgGroup_)return null;var a=this.svgGroup_.getBoundingClientRect(),b=a.top+this.SPRITE_TOP_-this.MARGIN_HOTSPOT_;a=a.left+this.SPRITE_LEFT_-this.MARGIN_HOTSPOT_;return new Blockly.utils.Rect(b,b+this.LID_HEIGHT_+this.BODY_HEIGHT_+2*this.MARGIN_HOTSPOT_,a,a+this.WIDTH_+2*this.MARGIN_HOTSPOT_)};
-Blockly.Trashcan.prototype.setLidOpen=function(a){this.isLidOpen!=a&&(clearTimeout(this.lidTask_),this.isLidOpen=a,this.animateLid_())};
-Blockly.Trashcan.prototype.animateLid_=function(){var a=Blockly.Trashcan.ANIMATION_FRAMES_,b=1/(a+1);this.lidOpen_+=this.isLidOpen?b:-b;this.lidOpen_=Math.min(Math.max(this.lidOpen_,this.minOpenness_),1);this.setLidAngle_(this.lidOpen_*Blockly.Trashcan.MAX_LID_ANGLE_);b=Blockly.Trashcan.OPACITY_MIN_;this.svgGroup_.style.opacity=b+this.lidOpen_*(Blockly.Trashcan.OPACITY_MAX_-b);this.lidOpen_>this.minOpenness_&&1>this.lidOpen_&&(this.lidTask_=setTimeout(this.animateLid_.bind(this),Blockly.Trashcan.ANIMATION_LENGTH_/
-a))};Blockly.Trashcan.prototype.setLidAngle_=function(a){var b=this.workspace_.toolboxPosition==Blockly.TOOLBOX_AT_RIGHT||this.workspace_.horizontalLayout&&this.workspace_.RTL;this.svgLid_.setAttribute("transform","rotate("+(b?-a:a)+","+(b?4:this.WIDTH_-4)+","+(this.LID_HEIGHT_-2)+")")};Blockly.Trashcan.prototype.setMinOpenness_=function(a){this.minOpenness_=a;this.isLidOpen||this.setLidAngle_(a*Blockly.Trashcan.MAX_LID_ANGLE_)};Blockly.Trashcan.prototype.closeLid=function(){this.setLidOpen(!1)};
-Blockly.Trashcan.prototype.click=function(){this.hasContents_()&&this.openFlyout()};Blockly.Trashcan.prototype.fireUiEvent_=function(a){a=new Blockly.Events.Ui(null,"trashcanOpen",null,a);a.workspaceId=this.workspace_.id;Blockly.Events.fire(a)};Blockly.Trashcan.prototype.mouseOver_=function(){this.hasContents_()&&this.setLidOpen(!0)};Blockly.Trashcan.prototype.mouseOut_=function(){this.setLidOpen(!1)};
-Blockly.Trashcan.prototype.onDelete_=function(a){if(!(0>=this.workspace_.options.maxTrashcanContents)&&a.type==Blockly.Events.BLOCK_DELETE&&a.oldXml.tagName&&"shadow"!=a.oldXml.tagName.toLowerCase()&&(a=this.cleanBlockXML_(a.oldXml),-1==this.contents_.indexOf(a))){for(this.contents_.unshift(a);this.contents_.length>this.workspace_.options.maxTrashcanContents;)this.contents_.pop();this.setMinOpenness_(this.HAS_BLOCKS_LID_ANGLE_)}};
-Blockly.Trashcan.prototype.cleanBlockXML_=function(a){for(var b=a=a.cloneNode(!0);b;){b.removeAttribute&&(b.removeAttribute("x"),b.removeAttribute("y"),b.removeAttribute("id"),b.removeAttribute("disabled"),"comment"==b.nodeName&&(b.removeAttribute("h"),b.removeAttribute("w"),b.removeAttribute("pinned")));var c=b.firstChild||b.nextSibling;if(!c)for(c=b.parentNode;c;){if(c.nextSibling){c=c.nextSibling;break}c=c.parentNode}b=c}return Blockly.Xml.domToText(a)};Blockly.VariablesDynamic={};Blockly.VariablesDynamic.onCreateVariableButtonClick_String=function(a){Blockly.Variables.createVariableButtonHandler(a.getTargetWorkspace(),void 0,"String")};Blockly.VariablesDynamic.onCreateVariableButtonClick_Number=function(a){Blockly.Variables.createVariableButtonHandler(a.getTargetWorkspace(),void 0,"Number")};Blockly.VariablesDynamic.onCreateVariableButtonClick_Colour=function(a){Blockly.Variables.createVariableButtonHandler(a.getTargetWorkspace(),void 0,"Colour")};
-Blockly.VariablesDynamic.flyoutCategory=function(a){var b=[],c=document.createElement("button");c.setAttribute("text",Blockly.Msg.NEW_STRING_VARIABLE);c.setAttribute("callbackKey","CREATE_VARIABLE_STRING");b.push(c);c=document.createElement("button");c.setAttribute("text",Blockly.Msg.NEW_NUMBER_VARIABLE);c.setAttribute("callbackKey","CREATE_VARIABLE_NUMBER");b.push(c);c=document.createElement("button");c.setAttribute("text",Blockly.Msg.NEW_COLOUR_VARIABLE);c.setAttribute("callbackKey","CREATE_VARIABLE_COLOUR");
-b.push(c);a.registerButtonCallback("CREATE_VARIABLE_STRING",Blockly.VariablesDynamic.onCreateVariableButtonClick_String);a.registerButtonCallback("CREATE_VARIABLE_NUMBER",Blockly.VariablesDynamic.onCreateVariableButtonClick_Number);a.registerButtonCallback("CREATE_VARIABLE_COLOUR",Blockly.VariablesDynamic.onCreateVariableButtonClick_Colour);a=Blockly.VariablesDynamic.flyoutCategoryBlocks(a);return b=b.concat(a)};
-Blockly.VariablesDynamic.flyoutCategoryBlocks=function(a){a=a.getAllVariables();var b=[];if(0<a.length){if(Blockly.Blocks.variables_set_dynamic){var c=a[a.length-1],d=Blockly.utils.xml.createElement("block");d.setAttribute("type","variables_set_dynamic");d.setAttribute("gap",24);d.appendChild(Blockly.Variables.generateVariableFieldDom(c));b.push(d)}if(Blockly.Blocks.variables_get_dynamic){a.sort(Blockly.VariableModel.compareByName);c=0;for(var e;e=a[c];c++)d=Blockly.utils.xml.createElement("block"),
-d.setAttribute("type","variables_get_dynamic"),d.setAttribute("gap",8),d.appendChild(Blockly.Variables.generateVariableFieldDom(e)),b.push(d)}}return b};Blockly.ZoomControls=function(a){this.workspace_=a;this.zoomResetGroup_=this.zoomOutGroup_=this.zoomInGroup_=this.verticalSpacing_=this.onZoomOutWrapper_=this.onZoomInWrapper_=this.onZoomResetWrapper_=null};Blockly.ZoomControls.prototype.WIDTH_=32;Blockly.ZoomControls.prototype.HEIGHT_=110;Blockly.ZoomControls.prototype.MARGIN_BOTTOM_=20;Blockly.ZoomControls.prototype.MARGIN_SIDE_=20;Blockly.ZoomControls.prototype.svgGroup_=null;Blockly.ZoomControls.prototype.left_=0;
-Blockly.ZoomControls.prototype.top_=0;Blockly.ZoomControls.prototype.createDom=function(){this.svgGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{},null);var a=String(Math.random()).substring(2);this.createZoomOutSvg_(a);this.createZoomInSvg_(a);this.workspace_.isMovable()&&this.createZoomResetSvg_(a);return this.svgGroup_};Blockly.ZoomControls.prototype.init=function(a){this.verticalSpacing_=this.MARGIN_BOTTOM_+a;return this.verticalSpacing_+this.HEIGHT_};
-Blockly.ZoomControls.prototype.dispose=function(){this.svgGroup_&&Blockly.utils.dom.removeNode(this.svgGroup_);this.onZoomResetWrapper_&&Blockly.unbindEvent_(this.onZoomResetWrapper_);this.onZoomInWrapper_&&Blockly.unbindEvent_(this.onZoomInWrapper_);this.onZoomOutWrapper_&&Blockly.unbindEvent_(this.onZoomOutWrapper_)};
-Blockly.ZoomControls.prototype.position=function(){if(this.verticalSpacing_){var a=this.workspace_.getMetrics();a&&(this.left_=a.toolboxPosition==Blockly.TOOLBOX_AT_LEFT||this.workspace_.horizontalLayout&&!this.workspace_.RTL?a.viewWidth+a.absoluteLeft-this.WIDTH_-this.MARGIN_SIDE_-Blockly.Scrollbar.scrollbarThickness:this.MARGIN_SIDE_+Blockly.Scrollbar.scrollbarThickness,a.toolboxPosition==Blockly.TOOLBOX_AT_BOTTOM?(this.top_=this.verticalSpacing_,this.zoomInGroup_.setAttribute("transform","translate(0, 34)"),
-this.zoomResetGroup_&&this.zoomResetGroup_.setAttribute("transform","translate(0, 77)")):(this.top_=a.viewHeight+a.absoluteTop-this.HEIGHT_-this.verticalSpacing_,this.zoomInGroup_.setAttribute("transform","translate(0, 43)"),this.zoomOutGroup_.setAttribute("transform","translate(0, 77)")),this.svgGroup_.setAttribute("transform","translate("+this.left_+","+this.top_+")"))}};
-Blockly.ZoomControls.prototype.createZoomOutSvg_=function(a){this.zoomOutGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{"class":"blocklyZoom"},this.svgGroup_);var b=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.CLIPPATH,{id:"blocklyZoomoutClipPath"+a},this.zoomOutGroup_);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{width:32,height:32},b);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.IMAGE,{width:Blockly.SPRITE.width,height:Blockly.SPRITE.height,x:-64,y:-92,
-"clip-path":"url(#blocklyZoomoutClipPath"+a+")"},this.zoomOutGroup_).setAttributeNS(Blockly.utils.dom.XLINK_NS,"xlink:href",this.workspace_.options.pathToMedia+Blockly.SPRITE.url);this.onZoomOutWrapper_=Blockly.bindEventWithChecks_(this.zoomOutGroup_,"mousedown",null,this.zoom_.bind(this,-1))};
-Blockly.ZoomControls.prototype.createZoomInSvg_=function(a){this.zoomInGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{"class":"blocklyZoom"},this.svgGroup_);var b=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.CLIPPATH,{id:"blocklyZoominClipPath"+a},this.zoomInGroup_);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{width:32,height:32},b);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.IMAGE,{width:Blockly.SPRITE.width,height:Blockly.SPRITE.height,x:-32,y:-92,
-"clip-path":"url(#blocklyZoominClipPath"+a+")"},this.zoomInGroup_).setAttributeNS(Blockly.utils.dom.XLINK_NS,"xlink:href",this.workspace_.options.pathToMedia+Blockly.SPRITE.url);this.onZoomInWrapper_=Blockly.bindEventWithChecks_(this.zoomInGroup_,"mousedown",null,this.zoom_.bind(this,1))};
-Blockly.ZoomControls.prototype.zoom_=function(a,b){this.workspace_.markFocused();var c=this.workspace_.scale;this.workspace_.zoomCenter(a);this.fireZoomEvent_(c);Blockly.Touch.clearTouchIdentifier();b.stopPropagation();b.preventDefault()};
-Blockly.ZoomControls.prototype.createZoomResetSvg_=function(a){this.zoomResetGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{"class":"blocklyZoom"},this.svgGroup_);var b=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.CLIPPATH,{id:"blocklyZoomresetClipPath"+a},this.zoomResetGroup_);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{width:32,height:32},b);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.IMAGE,{width:Blockly.SPRITE.width,height:Blockly.SPRITE.height,
-y:-92,"clip-path":"url(#blocklyZoomresetClipPath"+a+")"},this.zoomResetGroup_).setAttributeNS(Blockly.utils.dom.XLINK_NS,"xlink:href",this.workspace_.options.pathToMedia+Blockly.SPRITE.url);this.onZoomResetWrapper_=Blockly.bindEventWithChecks_(this.zoomResetGroup_,"mousedown",null,this.resetZoom_.bind(this))};
-Blockly.ZoomControls.prototype.resetZoom_=function(a){this.workspace_.markFocused();var b=this.workspace_.scale;this.workspace_.setScale(this.workspace_.options.zoomOptions.startScale);this.workspace_.beginCanvasTransition();this.workspace_.scrollCenter();setTimeout(this.workspace_.endCanvasTransition.bind(this.workspace_),500);this.fireZoomEvent_(b);Blockly.Touch.clearTouchIdentifier();a.stopPropagation();a.preventDefault()};
-Blockly.ZoomControls.prototype.fireZoomEvent_=function(a){a=new Blockly.Events.Ui(null,"zoom",a,this.workspace_.scale);a.workspaceId=this.workspace_.id;Blockly.Events.fire(a)};Blockly.Css.register([".blocklyZoom>image, .blocklyZoom>svg>image {","opacity: .4;","}",".blocklyZoom>image:hover, .blocklyZoom>svg>image:hover {","opacity: .6;","}",".blocklyZoom>image:active, .blocklyZoom>svg>image:active {","opacity: .8;","}"]);Blockly.Mutator=function(a){Blockly.Mutator.superClass_.constructor.call(this,null);this.quarkNames_=a};Blockly.utils.object.inherits(Blockly.Mutator,Blockly.Icon);Blockly.Mutator.prototype.workspaceWidth_=0;Blockly.Mutator.prototype.workspaceHeight_=0;Blockly.Mutator.prototype.setBlock=function(a){this.block_=a};Blockly.Mutator.prototype.getWorkspace=function(){return this.workspace_};
-Blockly.Mutator.prototype.drawIcon_=function(a){Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{"class":"blocklyIconShape",rx:"4",ry:"4",height:"16",width:"16"},a);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{"class":"blocklyIconSymbol",d:"m4.203,7.296 0,1.368 -0.92,0.677 -0.11,0.41 0.9,1.559 0.41,0.11 1.043,-0.457 1.187,0.683 0.127,1.134 0.3,0.3 1.8,0 0.3,-0.299 0.127,-1.138 1.185,-0.682 1.046,0.458 0.409,-0.11 0.9,-1.559 -0.11,-0.41 -0.92,-0.677 0,-1.366 0.92,-0.677 0.11,-0.41 -0.9,-1.559 -0.409,-0.109 -1.046,0.458 -1.185,-0.682 -0.127,-1.138 -0.3,-0.299 -1.8,0 -0.3,0.3 -0.126,1.135 -1.187,0.682 -1.043,-0.457 -0.41,0.11 -0.899,1.559 0.108,0.409z"},
-a);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.CIRCLE,{"class":"blocklyIconShape",r:"2.7",cx:"8",cy:"8"},a)};Blockly.Mutator.prototype.iconClick_=function(a){this.block_.isEditable()&&Blockly.Icon.prototype.iconClick_.call(this,a)};
-Blockly.Mutator.prototype.createEditor_=function(){this.svgDialog_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.SVG,{x:Blockly.Bubble.BORDER_WIDTH,y:Blockly.Bubble.BORDER_WIDTH},null);if(this.quarkNames_.length)for(var a=Blockly.utils.xml.createElement("xml"),b=0,c;c=this.quarkNames_[b];b++){var d=Blockly.utils.xml.createElement("block");d.setAttribute("type",c);a.appendChild(d)}else a=null;b=new Blockly.Options({disable:!1,parentWorkspace:this.block_.workspace,media:this.block_.workspace.options.pathToMedia,
-rtl:this.block_.RTL,horizontalLayout:!1,renderer:this.block_.workspace.options.renderer,rendererOverrides:this.block_.workspace.options.rendererOverrides});b.toolboxPosition=this.block_.RTL?Blockly.utils.toolbox.Position.RIGHT:Blockly.utils.toolbox.Position.LEFT;if(c=!!a)b.languageTree=Blockly.utils.toolbox.convertToolboxDefToJson(a),b.getMetrics=this.getFlyoutMetrics_.bind(this);this.workspace_=new Blockly.WorkspaceSvg(b);this.workspace_.isMutator=!0;this.workspace_.addChangeListener(Blockly.Events.disableOrphans);
-a=c?this.workspace_.addFlyout(Blockly.utils.Svg.G):null;b=this.workspace_.createDom("blocklyMutatorBackground");a&&b.insertBefore(a,this.workspace_.svgBlockCanvas_);this.svgDialog_.appendChild(b);return this.svgDialog_};
-Blockly.Mutator.prototype.updateEditable=function(){Blockly.Mutator.superClass_.updateEditable.call(this);this.block_.isInFlyout||(this.block_.isEditable()?this.iconGroup_&&Blockly.utils.dom.removeClass(this.iconGroup_,"blocklyIconGroupReadonly"):(this.setVisible(!1),this.iconGroup_&&Blockly.utils.dom.addClass(this.iconGroup_,"blocklyIconGroupReadonly")))};
-Blockly.Mutator.prototype.resizeBubble_=function(){var a=2*Blockly.Bubble.BORDER_WIDTH,b=this.workspace_.getCanvas().getBBox(),c=b.width+b.x,d=b.height+3*a,e=this.workspace_.getFlyout();if(e){var f=e.getMetrics_();d=Math.max(d,f.contentHeight+20);c+=e.getWidth()}this.block_.RTL&&(c=-b.x);c+=3*a;if(Math.abs(this.workspaceWidth_-c)>a||Math.abs(this.workspaceHeight_-d)>a)this.workspaceWidth_=c,this.workspaceHeight_=d,this.bubble_.setBubbleSize(c+a,d+a),this.svgDialog_.setAttribute("width",this.workspaceWidth_),
-this.svgDialog_.setAttribute("height",this.workspaceHeight_);this.block_.RTL&&(a="translate("+this.workspaceWidth_+",0)",this.workspace_.getCanvas().setAttribute("transform",a));this.workspace_.resize()};Blockly.Mutator.prototype.onBubbleMove_=function(){this.workspace_&&this.workspace_.recordDeleteAreas()};
-Blockly.Mutator.prototype.setVisible=function(a){if(a!=this.isVisible())if(Blockly.Events.fire(new Blockly.Events.Ui(this.block_,"mutatorOpen",!a,a)),a){this.bubble_=new Blockly.Bubble(this.block_.workspace,this.createEditor_(),this.block_.pathObject.svgPath,this.iconXY_,null,null);this.bubble_.setSvgId(this.block_.id);this.bubble_.registerMoveEvent(this.onBubbleMove_.bind(this));var b=this.workspace_.options.languageTree;a=this.workspace_.getFlyout();b&&(a.init(this.workspace_),a.show(b));this.rootBlock_=
-this.block_.decompose(this.workspace_);b=this.rootBlock_.getDescendants(!1);for(var c=0,d;d=b[c];c++)d.render();this.rootBlock_.setMovable(!1);this.rootBlock_.setDeletable(!1);a?(b=2*a.CORNER_RADIUS,a=this.rootBlock_.RTL?a.getWidth()+b:b):a=b=16;this.block_.RTL&&(a=-a);this.rootBlock_.moveBy(a,b);if(this.block_.saveConnections){var e=this,f=this.block_;f.saveConnections(this.rootBlock_);this.sourceListener_=function(){f.saveConnections(e.rootBlock_)};this.block_.workspace.addChangeListener(this.sourceListener_)}this.resizeBubble_();
-this.workspace_.addChangeListener(this.workspaceChanged_.bind(this));this.applyColour()}else this.svgDialog_=null,this.workspace_.dispose(),this.rootBlock_=this.workspace_=null,this.bubble_.dispose(),this.bubble_=null,this.workspaceHeight_=this.workspaceWidth_=0,this.sourceListener_&&(this.block_.workspace.removeChangeListener(this.sourceListener_),this.sourceListener_=null)};
-Blockly.Mutator.prototype.workspaceChanged_=function(a){if(a.type!=Blockly.Events.UI&&(a.type!=Blockly.Events.CHANGE||"disabled"!=a.element)){if(!this.workspace_.isDragging())for(var b=this.workspace_.getTopBlocks(!1),c=0;a=b[c];c++){var d=a.getRelativeToSurfaceXY();20>d.y&&a.moveBy(0,20-d.y);if(a.RTL){var e=-20,f=this.workspace_.getFlyout();f&&(e-=f.getWidth());d.x>e&&a.moveBy(e-d.x,0)}else 20>d.x&&a.moveBy(20-d.x,0)}this.rootBlock_.workspace==this.workspace_&&(Blockly.Events.setGroup(!0),a=this.block_,
-b=(b=a.mutationToDom())&&Blockly.Xml.domToText(b),c=a.rendered,a.rendered=!1,a.compose(this.rootBlock_),a.rendered=c,a.initSvg(),Blockly.getMainWorkspace().keyboardAccessibilityMode&&Blockly.navigation.moveCursorOnBlockMutation(a),a.rendered&&a.render(),c=(c=a.mutationToDom())&&Blockly.Xml.domToText(c),b!=c&&Blockly.Events.fire(new Blockly.Events.BlockChange(a,"mutation",null,b,c)),this.workspace_.isDragging()||this.resizeBubble_(),Blockly.Events.setGroup(!1))}};
-Blockly.Mutator.prototype.getFlyoutMetrics_=function(){var a=this.workspace_.getFlyout();a=a?a.getWidth():0;return{contentHeight:0,contentWidth:0,contentTop:0,contentLeft:0,viewHeight:this.workspaceHeight_,viewWidth:this.workspaceWidth_-a,viewTop:0,viewLeft:0,absoluteTop:0,absoluteLeft:this.workspace_.RTL?0:a}};Blockly.Mutator.prototype.dispose=function(){this.block_.mutator=null;Blockly.Icon.prototype.dispose.call(this)};
-Blockly.Mutator.prototype.updateBlockStyle=function(){var a=this.workspace_;if(a&&a.getAllBlocks(!1)){for(var b=a.getAllBlocks(!1),c=0;c<b.length;c++){var d=b[c];d.setStyle(d.getStyleName())}if(c=a.getFlyout())for(a=c.workspace_.getAllBlocks(!1),c=0;c<a.length;c++)d=a[c],d.setStyle(d.getStyleName())}};
-Blockly.Mutator.reconnect=function(a,b,c){if(!a||!a.getSourceBlock().workspace)return!1;c=b.getInput(c).connection;var d=a.targetBlock();return d&&d!=b||c.targetConnection==a?!1:(c.isConnected()&&c.disconnect(),c.connect(a),!0)};Blockly.Mutator.findParentWs=function(a){var b=null;if(a&&a.options){var c=a.options.parentWorkspace;a.isFlyout?c&&c.options&&(b=c.options.parentWorkspace):c&&(b=c)}return b};Blockly.FieldTextInput=function(a,b,c){this.spellcheck_=!0;Blockly.FieldTextInput.superClass_.constructor.call(this,a,b,c);this.onKeyInputWrapper_=this.onKeyDownWrapper_=this.htmlInput_=null;this.fullBlockClickTarget_=!1;this.workspace_=null};Blockly.utils.object.inherits(Blockly.FieldTextInput,Blockly.Field);Blockly.FieldTextInput.prototype.DEFAULT_VALUE="";
-Blockly.FieldTextInput.fromJson=function(a){var b=Blockly.utils.replaceMessageReferences(a.text);return new Blockly.FieldTextInput(b,void 0,a)};Blockly.FieldTextInput.prototype.SERIALIZABLE=!0;Blockly.FieldTextInput.BORDERRADIUS=4;Blockly.FieldTextInput.prototype.CURSOR="text";Blockly.FieldTextInput.prototype.configure_=function(a){Blockly.FieldTextInput.superClass_.configure_.call(this,a);"boolean"==typeof a.spellcheck&&(this.spellcheck_=a.spellcheck)};
-Blockly.FieldTextInput.prototype.initView=function(){if(this.getConstants().FULL_BLOCK_FIELDS){for(var a=0,b=0,c=0,d;d=this.sourceBlock_.inputList[c];c++){for(var e=0;d.fieldRow[e];e++)a++;d.connection&&b++}this.fullBlockClickTarget_=1>=a&&this.sourceBlock_.outputConnection&&!b}else this.fullBlockClickTarget_=!1;this.fullBlockClickTarget_?this.clickTarget_=this.sourceBlock_.getSvgRoot():this.createBorderRect_();this.createTextElement_()};
-Blockly.FieldTextInput.prototype.doClassValidation_=function(a){return null===a||void 0===a?null:String(a)};Blockly.FieldTextInput.prototype.doValueInvalid_=function(a){this.isBeingEdited_&&(this.isTextValid_=!1,a=this.value_,this.value_=this.htmlInput_.untypedDefaultValue_,this.sourceBlock_&&Blockly.Events.isEnabled()&&Blockly.Events.fire(new Blockly.Events.BlockChange(this.sourceBlock_,"field",this.name||null,a,this.value_)))};
-Blockly.FieldTextInput.prototype.doValueUpdate_=function(a){this.isTextValid_=!0;this.value_=a;this.isBeingEdited_||(this.isDirty_=!0)};Blockly.FieldTextInput.prototype.applyColour=function(){this.sourceBlock_&&this.getConstants().FULL_BLOCK_FIELDS&&(this.borderRect_?this.borderRect_.setAttribute("stroke",this.sourceBlock_.style.colourTertiary):this.sourceBlock_.pathObject.svgPath.setAttribute("fill",this.getConstants().FIELD_BORDER_RECT_COLOUR))};
-Blockly.FieldTextInput.prototype.render_=function(){Blockly.FieldTextInput.superClass_.render_.call(this);if(this.isBeingEdited_){this.resizeEditor_();var a=this.htmlInput_;this.isTextValid_?(Blockly.utils.dom.removeClass(a,"blocklyInvalidInput"),Blockly.utils.aria.setState(a,Blockly.utils.aria.State.INVALID,!1)):(Blockly.utils.dom.addClass(a,"blocklyInvalidInput"),Blockly.utils.aria.setState(a,Blockly.utils.aria.State.INVALID,!0))}};
-Blockly.FieldTextInput.prototype.setSpellcheck=function(a){a!=this.spellcheck_&&(this.spellcheck_=a,this.htmlInput_&&this.htmlInput_.setAttribute("spellcheck",this.spellcheck_))};Blockly.FieldTextInput.prototype.showEditor_=function(a,b){this.workspace_=this.sourceBlock_.workspace;a=b||!1;!a&&(Blockly.utils.userAgent.MOBILE||Blockly.utils.userAgent.ANDROID||Blockly.utils.userAgent.IPAD)?this.showPromptEditor_():this.showInlineEditor_(a)};
-Blockly.FieldTextInput.prototype.showPromptEditor_=function(){var a=this;Blockly.prompt(Blockly.Msg.CHANGE_VALUE_TITLE,this.getText(),function(b){a.setValue(b)})};Blockly.FieldTextInput.prototype.showInlineEditor_=function(a){Blockly.WidgetDiv.show(this,this.sourceBlock_.RTL,this.widgetDispose_.bind(this));this.htmlInput_=this.widgetCreate_();this.isBeingEdited_=!0;a||(this.htmlInput_.focus({preventScroll:!0}),this.htmlInput_.select())};
-Blockly.FieldTextInput.prototype.widgetCreate_=function(){var a=Blockly.WidgetDiv.DIV;Blockly.utils.dom.addClass(this.getClickTarget_(),"editing");var b=document.createElement("input");b.className="blocklyHtmlInput";b.setAttribute("spellcheck",this.spellcheck_);var c=this.workspace_.getScale(),d=this.getConstants().FIELD_TEXT_FONTSIZE*c+"pt";a.style.fontSize=d;b.style.fontSize=d;d=Blockly.FieldTextInput.BORDERRADIUS*c+"px";if(this.fullBlockClickTarget_){d=this.getScaledBBox();d=(d.bottom-d.top)/2+
-"px";var e=this.sourceBlock_.getParent()?this.sourceBlock_.getParent().style.colourTertiary:this.sourceBlock_.style.colourTertiary;b.style.border=1*c+"px solid "+e;a.style.borderRadius=d;a.style.transition="box-shadow 0.25s ease 0s";this.getConstants().FIELD_TEXTINPUT_BOX_SHADOW&&(a.style.boxShadow="rgba(255, 255, 255, 0.3) 0px 0px 0px "+4*c+"px")}b.style.borderRadius=d;a.appendChild(b);b.value=b.defaultValue=this.getEditorText_(this.value_);b.untypedDefaultValue_=this.value_;b.oldValue_=null;this.resizeEditor_();
-this.bindInputEvents_(b);return b};Blockly.FieldTextInput.prototype.widgetDispose_=function(){this.isBeingEdited_=!1;this.isTextValid_=!0;this.forceRerender();if(this.onFinishEditing_)this.onFinishEditing_(this.value_);this.unbindInputEvents_();var a=Blockly.WidgetDiv.DIV.style;a.width="auto";a.height="auto";a.fontSize="";a.transition="";a.boxShadow="";this.htmlInput_=null;Blockly.utils.dom.removeClass(this.getClickTarget_(),"editing")};
-Blockly.FieldTextInput.prototype.bindInputEvents_=function(a){this.onKeyDownWrapper_=Blockly.bindEventWithChecks_(a,"keydown",this,this.onHtmlInputKeyDown_);this.onKeyInputWrapper_=Blockly.bindEventWithChecks_(a,"input",this,this.onHtmlInputChange_)};
-Blockly.FieldTextInput.prototype.unbindInputEvents_=function(){this.onKeyDownWrapper_&&(Blockly.unbindEvent_(this.onKeyDownWrapper_),this.onKeyDownWrapper_=null);this.onKeyInputWrapper_&&(Blockly.unbindEvent_(this.onKeyInputWrapper_),this.onKeyInputWrapper_=null)};
-Blockly.FieldTextInput.prototype.onHtmlInputKeyDown_=function(a){a.keyCode==Blockly.utils.KeyCodes.ENTER?(Blockly.WidgetDiv.hide(),Blockly.DropDownDiv.hideWithoutAnimation()):a.keyCode==Blockly.utils.KeyCodes.ESC?(this.htmlInput_.value=this.htmlInput_.defaultValue,Blockly.WidgetDiv.hide(),Blockly.DropDownDiv.hideWithoutAnimation()):a.keyCode==Blockly.utils.KeyCodes.TAB&&(Blockly.WidgetDiv.hide(),Blockly.DropDownDiv.hideWithoutAnimation(),this.sourceBlock_.tab(this,!a.shiftKey),a.preventDefault())};
-Blockly.FieldTextInput.prototype.onHtmlInputChange_=function(a){a=this.htmlInput_.value;a!==this.htmlInput_.oldValue_&&(this.htmlInput_.oldValue_=a,Blockly.Events.setGroup(!0),a=this.getValueFromEditorText_(a),this.setValue(a),this.forceRerender(),this.resizeEditor_(),Blockly.Events.setGroup(!1))};Blockly.FieldTextInput.prototype.setEditorValue_=function(a){this.isDirty_=!0;this.isBeingEdited_&&(this.htmlInput_.value=this.getEditorText_(a));this.setValue(a)};
-Blockly.FieldTextInput.prototype.resizeEditor_=function(){var a=Blockly.WidgetDiv.DIV,b=this.getScaledBBox();a.style.width=b.right-b.left+"px";a.style.height=b.bottom-b.top+"px";b=new Blockly.utils.Coordinate(this.sourceBlock_.RTL?b.right-a.offsetWidth:b.left,b.top);a.style.left=b.x+"px";a.style.top=b.y+"px"};
-Blockly.FieldTextInput.numberValidator=function(a){console.warn("Blockly.FieldTextInput.numberValidator is deprecated. Use Blockly.FieldNumber instead.");if(null===a)return null;a=String(a);a=a.replace(/O/ig,"0");a=a.replace(/,/g,"");a=Number(a||0);return isNaN(a)?null:String(a)};Blockly.FieldTextInput.nonnegativeIntegerValidator=function(a){(a=Blockly.FieldTextInput.numberValidator(a))&&(a=String(Math.max(0,Math.floor(a))));return a};Blockly.FieldTextInput.prototype.isTabNavigable=function(){return!0};
-Blockly.FieldTextInput.prototype.getText_=function(){return this.isBeingEdited_&&this.htmlInput_?this.htmlInput_.value:null};Blockly.FieldTextInput.prototype.getEditorText_=function(a){return String(a)};Blockly.FieldTextInput.prototype.getValueFromEditorText_=function(a){return a};Blockly.fieldRegistry.register("field_input",Blockly.FieldTextInput);Blockly.FieldAngle=function(a,b,c){this.clockwise_=Blockly.FieldAngle.CLOCKWISE;this.offset_=Blockly.FieldAngle.OFFSET;this.wrap_=Blockly.FieldAngle.WRAP;this.round_=Blockly.FieldAngle.ROUND;Blockly.FieldAngle.superClass_.constructor.call(this,a,b,c);this.moveSurfaceWrapper_=this.clickSurfaceWrapper_=this.clickWrapper_=this.line_=this.gauge_=null};Blockly.utils.object.inherits(Blockly.FieldAngle,Blockly.FieldTextInput);Blockly.FieldAngle.prototype.DEFAULT_VALUE=0;
-Blockly.FieldAngle.fromJson=function(a){return new Blockly.FieldAngle(a.angle,void 0,a)};Blockly.FieldAngle.prototype.SERIALIZABLE=!0;Blockly.FieldAngle.ROUND=15;Blockly.FieldAngle.HALF=50;Blockly.FieldAngle.CLOCKWISE=!1;Blockly.FieldAngle.OFFSET=0;Blockly.FieldAngle.WRAP=360;Blockly.FieldAngle.RADIUS=Blockly.FieldAngle.HALF-1;
-Blockly.FieldAngle.prototype.configure_=function(a){Blockly.FieldAngle.superClass_.configure_.call(this,a);switch(a.mode){case "compass":this.clockwise_=!0;this.offset_=90;break;case "protractor":this.clockwise_=!1,this.offset_=0}var b=a.clockwise;"boolean"==typeof b&&(this.clockwise_=b);b=a.offset;null!=b&&(b=Number(b),isNaN(b)||(this.offset_=b));b=a.wrap;null!=b&&(b=Number(b),isNaN(b)||(this.wrap_=b));a=a.round;null!=a&&(a=Number(a),isNaN(a)||(this.round_=a))};
-Blockly.FieldAngle.prototype.initView=function(){Blockly.FieldAngle.superClass_.initView.call(this);this.symbol_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.TSPAN,{},null);this.symbol_.appendChild(document.createTextNode("\u00b0"));this.textElement_.appendChild(this.symbol_)};Blockly.FieldAngle.prototype.render_=function(){Blockly.FieldAngle.superClass_.render_.call(this);this.updateGraph_()};
-Blockly.FieldAngle.prototype.showEditor_=function(a){Blockly.FieldAngle.superClass_.showEditor_.call(this,a,Blockly.utils.userAgent.MOBILE||Blockly.utils.userAgent.ANDROID||Blockly.utils.userAgent.IPAD);a=this.dropdownCreate_();Blockly.DropDownDiv.getContentDiv().appendChild(a);Blockly.DropDownDiv.setColour(this.sourceBlock_.style.colourPrimary,this.sourceBlock_.style.colourTertiary);Blockly.DropDownDiv.showPositionedByField(this,this.dropdownDispose_.bind(this));this.updateGraph_()};
-Blockly.FieldAngle.prototype.dropdownCreate_=function(){var a=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.SVG,{xmlns:Blockly.utils.dom.SVG_NS,"xmlns:html":Blockly.utils.dom.HTML_NS,"xmlns:xlink":Blockly.utils.dom.XLINK_NS,version:"1.1",height:2*Blockly.FieldAngle.HALF+"px",width:2*Blockly.FieldAngle.HALF+"px",style:"touch-action: none"},null),b=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.CIRCLE,{cx:Blockly.FieldAngle.HALF,cy:Blockly.FieldAngle.HALF,r:Blockly.FieldAngle.RADIUS,"class":"blocklyAngleCircle"},
-a);this.gauge_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{"class":"blocklyAngleGauge"},a);this.line_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.LINE,{x1:Blockly.FieldAngle.HALF,y1:Blockly.FieldAngle.HALF,"class":"blocklyAngleLine"},a);for(var c=0;360>c;c+=15)Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.LINE,{x1:Blockly.FieldAngle.HALF+Blockly.FieldAngle.RADIUS,y1:Blockly.FieldAngle.HALF,x2:Blockly.FieldAngle.HALF+Blockly.FieldAngle.RADIUS-(0==c%45?10:5),y2:Blockly.FieldAngle.HALF,
-"class":"blocklyAngleMarks",transform:"rotate("+c+","+Blockly.FieldAngle.HALF+","+Blockly.FieldAngle.HALF+")"},a);this.clickWrapper_=Blockly.bindEventWithChecks_(a,"click",this,this.hide_);this.clickSurfaceWrapper_=Blockly.bindEventWithChecks_(b,"click",this,this.onMouseMove_,!0,!0);this.moveSurfaceWrapper_=Blockly.bindEventWithChecks_(b,"mousemove",this,this.onMouseMove_,!0,!0);return a};
-Blockly.FieldAngle.prototype.dropdownDispose_=function(){this.clickWrapper_&&(Blockly.unbindEvent_(this.clickWrapper_),this.clickWrapper_=null);this.clickSurfaceWrapper_&&(Blockly.unbindEvent_(this.clickSurfaceWrapper_),this.clickSurfaceWrapper_=null);this.moveSurfaceWrapper_&&(Blockly.unbindEvent_(this.moveSurfaceWrapper_),this.moveSurfaceWrapper_=null);this.line_=this.gauge_=null};Blockly.FieldAngle.prototype.hide_=function(){Blockly.DropDownDiv.hideIfOwner(this);Blockly.WidgetDiv.hide()};
-Blockly.FieldAngle.prototype.onMouseMove_=function(a){var b=this.gauge_.ownerSVGElement.getBoundingClientRect(),c=a.clientX-b.left-Blockly.FieldAngle.HALF;a=a.clientY-b.top-Blockly.FieldAngle.HALF;b=Math.atan(-a/c);isNaN(b)||(b=Blockly.utils.math.toDegrees(b),0>c?b+=180:0<a&&(b+=360),b=this.clockwise_?this.offset_+360-b:360-(this.offset_-b),this.displayMouseOrKeyboardValue_(b))};
-Blockly.FieldAngle.prototype.displayMouseOrKeyboardValue_=function(a){this.round_&&(a=Math.round(a/this.round_)*this.round_);a=this.wrapValue_(a);a!=this.value_&&this.setEditorValue_(a)};
-Blockly.FieldAngle.prototype.updateGraph_=function(){if(this.gauge_){var a=Number(this.getText())+this.offset_,b=Blockly.utils.math.toRadians(a%360);a=["M ",Blockly.FieldAngle.HALF,",",Blockly.FieldAngle.HALF];var c=Blockly.FieldAngle.HALF,d=Blockly.FieldAngle.HALF;if(!isNaN(b)){var e=Number(this.clockwise_),f=Blockly.utils.math.toRadians(this.offset_),g=Math.cos(f)*Blockly.FieldAngle.RADIUS,h=Math.sin(f)*-Blockly.FieldAngle.RADIUS;e&&(b=2*f-b);c+=Math.cos(b)*Blockly.FieldAngle.RADIUS;d-=Math.sin(b)*
-Blockly.FieldAngle.RADIUS;b=Math.abs(Math.floor((b-f)/Math.PI)%2);e&&(b=1-b);a.push(" l ",g,",",h," A ",Blockly.FieldAngle.RADIUS,",",Blockly.FieldAngle.RADIUS," 0 ",b," ",e," ",c,",",d," z")}this.gauge_.setAttribute("d",a.join(""));this.line_.setAttribute("x2",c);this.line_.setAttribute("y2",d)}};
-Blockly.FieldAngle.prototype.onHtmlInputKeyDown_=function(a){Blockly.FieldAngle.superClass_.onHtmlInputKeyDown_.call(this,a);var b;a.keyCode===Blockly.utils.KeyCodes.LEFT?b=this.sourceBlock_.RTL?1:-1:a.keyCode===Blockly.utils.KeyCodes.RIGHT?b=this.sourceBlock_.RTL?-1:1:a.keyCode===Blockly.utils.KeyCodes.DOWN?b=-1:a.keyCode===Blockly.utils.KeyCodes.UP&&(b=1);if(b){var c=this.getValue();this.displayMouseOrKeyboardValue_(c+b*this.round_);a.preventDefault();a.stopPropagation()}};
-Blockly.FieldAngle.prototype.doClassValidation_=function(a){a=Number(a);return isNaN(a)||!isFinite(a)?null:this.wrapValue_(a)};Blockly.FieldAngle.prototype.wrapValue_=function(a){a%=360;0>a&&(a+=360);a>this.wrap_&&(a-=360);return a};Blockly.Css.register(".blocklyAngleCircle {,stroke: #444;,stroke-width: 1;,fill: #ddd;,fill-opacity: .8;,},.blocklyAngleMarks {,stroke: #444;,stroke-width: 1;,},.blocklyAngleGauge {,fill: #f88;,fill-opacity: .8;,pointer-events: none;,},.blocklyAngleLine {,stroke: #f00;,stroke-width: 2;,stroke-linecap: round;,pointer-events: none;,}".split(","));
-Blockly.fieldRegistry.register("field_angle",Blockly.FieldAngle);Blockly.FieldCheckbox=function(a,b,c){this.checkChar_=null;Blockly.FieldCheckbox.superClass_.constructor.call(this,a,b,c)};Blockly.utils.object.inherits(Blockly.FieldCheckbox,Blockly.Field);Blockly.FieldCheckbox.prototype.DEFAULT_VALUE=!1;Blockly.FieldCheckbox.fromJson=function(a){return new Blockly.FieldCheckbox(a.checked,void 0,a)};Blockly.FieldCheckbox.CHECK_CHAR="\u2713";Blockly.FieldCheckbox.prototype.SERIALIZABLE=!0;Blockly.FieldCheckbox.prototype.CURSOR="default";
-Blockly.FieldCheckbox.prototype.configure_=function(a){Blockly.FieldCheckbox.superClass_.configure_.call(this,a);a.checkCharacter&&(this.checkChar_=a.checkCharacter)};Blockly.FieldCheckbox.prototype.initView=function(){Blockly.FieldCheckbox.superClass_.initView.call(this);Blockly.utils.dom.addClass(this.textElement_,"blocklyCheckbox");this.textElement_.style.display=this.value_?"block":"none"};
-Blockly.FieldCheckbox.prototype.render_=function(){this.textContent_&&(this.textContent_.nodeValue=this.getDisplayText_());this.updateSize_(this.getConstants().FIELD_CHECKBOX_X_OFFSET)};Blockly.FieldCheckbox.prototype.getDisplayText_=function(){return this.checkChar_||Blockly.FieldCheckbox.CHECK_CHAR};Blockly.FieldCheckbox.prototype.setCheckCharacter=function(a){this.checkChar_=a;this.forceRerender()};Blockly.FieldCheckbox.prototype.showEditor_=function(){this.setValue(!this.value_)};
-Blockly.FieldCheckbox.prototype.doClassValidation_=function(a){return!0===a||"TRUE"===a?"TRUE":!1===a||"FALSE"===a?"FALSE":null};Blockly.FieldCheckbox.prototype.doValueUpdate_=function(a){this.value_=this.convertValueToBool_(a);this.textElement_&&(this.textElement_.style.display=this.value_?"block":"none")};Blockly.FieldCheckbox.prototype.getValue=function(){return this.value_?"TRUE":"FALSE"};Blockly.FieldCheckbox.prototype.getValueBoolean=function(){return this.value_};
-Blockly.FieldCheckbox.prototype.getText=function(){return String(this.convertValueToBool_(this.value_))};Blockly.FieldCheckbox.prototype.convertValueToBool_=function(a){return"string"==typeof a?"TRUE"==a:!!a};Blockly.fieldRegistry.register("field_checkbox",Blockly.FieldCheckbox);Blockly.FieldColour=function(a,b,c){Blockly.FieldColour.superClass_.constructor.call(this,a,b,c);this.onKeyDownWrapper_=this.onMouseLeaveWrapper_=this.onMouseEnterWrapper_=this.onMouseMoveWrapper_=this.onClickWrapper_=this.highlightedIndex_=this.picker_=null};Blockly.utils.object.inherits(Blockly.FieldColour,Blockly.Field);Blockly.FieldColour.fromJson=function(a){return new Blockly.FieldColour(a.colour,void 0,a)};Blockly.FieldColour.prototype.SERIALIZABLE=!0;Blockly.FieldColour.prototype.CURSOR="default";
-Blockly.FieldColour.prototype.isDirty_=!1;Blockly.FieldColour.prototype.colours_=null;Blockly.FieldColour.prototype.titles_=null;Blockly.FieldColour.prototype.columns_=0;Blockly.FieldColour.prototype.configure_=function(a){Blockly.FieldColour.superClass_.configure_.call(this,a);a.colourOptions&&(this.colours_=a.colourOptions,this.titles_=a.colourTitles);a.columns&&(this.columns_=a.columns)};
-Blockly.FieldColour.prototype.initView=function(){this.size_=new Blockly.utils.Size(this.getConstants().FIELD_COLOUR_DEFAULT_WIDTH,this.getConstants().FIELD_COLOUR_DEFAULT_HEIGHT);this.getConstants().FIELD_COLOUR_FULL_BLOCK?this.clickTarget_=this.sourceBlock_.getSvgRoot():(this.createBorderRect_(),this.borderRect_.style.fillOpacity="1")};
-Blockly.FieldColour.prototype.applyColour=function(){this.getConstants().FIELD_COLOUR_FULL_BLOCK?(this.sourceBlock_.pathObject.svgPath.setAttribute("fill",this.getValue()),this.sourceBlock_.pathObject.svgPath.setAttribute("stroke","#fff")):this.borderRect_&&(this.borderRect_.style.fill=this.getValue())};Blockly.FieldColour.prototype.doClassValidation_=function(a){return"string"!=typeof a?null:Blockly.utils.colour.parse(a)};
-Blockly.FieldColour.prototype.doValueUpdate_=function(a){this.value_=a;this.borderRect_?this.borderRect_.style.fill=a:this.sourceBlock_&&this.sourceBlock_.rendered&&(this.sourceBlock_.pathObject.svgPath.setAttribute("fill",a),this.sourceBlock_.pathObject.svgPath.setAttribute("stroke","#fff"))};Blockly.FieldColour.prototype.getText=function(){var a=this.value_;/^#(.)\1(.)\2(.)\3$/.test(a)&&(a="#"+a[1]+a[3]+a[5]);return a};Blockly.FieldColour.COLOURS="#ffffff #cccccc #c0c0c0 #999999 #666666 #333333 #000000 #ffcccc #ff6666 #ff0000 #cc0000 #990000 #660000 #330000 #ffcc99 #ff9966 #ff9900 #ff6600 #cc6600 #993300 #663300 #ffff99 #ffff66 #ffcc66 #ffcc33 #cc9933 #996633 #663333 #ffffcc #ffff33 #ffff00 #ffcc00 #999900 #666600 #333300 #99ff99 #66ff99 #33ff33 #33cc00 #009900 #006600 #003300 #99ffff #33ffff #66cccc #00cccc #339999 #336666 #003333 #ccffff #66ffff #33ccff #3366ff #3333ff #000099 #000066 #ccccff #9999ff #6666cc #6633ff #6600cc #333399 #330099 #ffccff #ff99ff #cc66cc #cc33cc #993399 #663366 #330033".split(" ");
-Blockly.FieldColour.prototype.DEFAULT_VALUE=Blockly.FieldColour.COLOURS[0];Blockly.FieldColour.TITLES=[];Blockly.FieldColour.COLUMNS=7;Blockly.FieldColour.prototype.setColours=function(a,b){this.colours_=a;b&&(this.titles_=b);return this};Blockly.FieldColour.prototype.setColumns=function(a){this.columns_=a;return this};
-Blockly.FieldColour.prototype.showEditor_=function(){this.picker_=this.dropdownCreate_();Blockly.DropDownDiv.getContentDiv().appendChild(this.picker_);Blockly.DropDownDiv.showPositionedByField(this,this.dropdownDispose_.bind(this));this.picker_.focus({preventScroll:!0})};Blockly.FieldColour.prototype.onClick_=function(a){a=(a=a.target)&&a.label;null!==a&&(this.setValue(a),Blockly.DropDownDiv.hideIfOwner(this))};
-Blockly.FieldColour.prototype.onKeyDown_=function(a){var b=!1;if(a.keyCode===Blockly.utils.KeyCodes.UP)this.moveHighlightBy_(0,-1),b=!0;else if(a.keyCode===Blockly.utils.KeyCodes.DOWN)this.moveHighlightBy_(0,1),b=!0;else if(a.keyCode===Blockly.utils.KeyCodes.LEFT)this.moveHighlightBy_(-1,0),b=!0;else if(a.keyCode===Blockly.utils.KeyCodes.RIGHT)this.moveHighlightBy_(1,0),b=!0;else if(a.keyCode===Blockly.utils.KeyCodes.ENTER){if(b=this.getHighlighted_())b=b&&b.label,null!==b&&this.setValue(b);Blockly.DropDownDiv.hideWithoutAnimation();
-b=!0}b&&a.stopPropagation()};Blockly.FieldColour.prototype.onBlocklyAction=function(a){if(this.picker_){if(a===Blockly.navigation.ACTION_PREVIOUS)return this.moveHighlightBy_(0,-1),!0;if(a===Blockly.navigation.ACTION_NEXT)return this.moveHighlightBy_(0,1),!0;if(a===Blockly.navigation.ACTION_OUT)return this.moveHighlightBy_(-1,0),!0;if(a===Blockly.navigation.ACTION_IN)return this.moveHighlightBy_(1,0),!0}return Blockly.FieldColour.superClass_.onBlocklyAction.call(this,a)};
-Blockly.FieldColour.prototype.moveHighlightBy_=function(a,b){var c=this.colours_||Blockly.FieldColour.COLOURS,d=this.columns_||Blockly.FieldColour.COLUMNS,e=this.highlightedIndex_%d,f=Math.floor(this.highlightedIndex_/d);e+=a;f+=b;0>a?0>e&&0<f?(e=d-1,f--):0>e&&(e=0):0<a?e>d-1&&f<Math.floor(c.length/d)-1?(e=0,f++):e>d-1&&e--:0>b?0>f&&(f=0):0<b&&f>Math.floor(c.length/d)-1&&(f=Math.floor(c.length/d)-1);this.setHighlightedCell_(this.picker_.childNodes[f].childNodes[e],f*d+e)};
-Blockly.FieldColour.prototype.onMouseMove_=function(a){var b=(a=a.target)&&Number(a.getAttribute("data-index"));null!==b&&b!==this.highlightedIndex_&&this.setHighlightedCell_(a,b)};Blockly.FieldColour.prototype.onMouseEnter_=function(){this.picker_.focus({preventScroll:!0})};Blockly.FieldColour.prototype.onMouseLeave_=function(){this.picker_.blur();var a=this.getHighlighted_();a&&Blockly.utils.dom.removeClass(a,"blocklyColourHighlighted")};
-Blockly.FieldColour.prototype.getHighlighted_=function(){var a=this.columns_||Blockly.FieldColour.COLUMNS,b=this.picker_.childNodes[Math.floor(this.highlightedIndex_/a)];return b?b.childNodes[this.highlightedIndex_%a]:null};
-Blockly.FieldColour.prototype.setHighlightedCell_=function(a,b){var c=this.getHighlighted_();c&&Blockly.utils.dom.removeClass(c,"blocklyColourHighlighted");Blockly.utils.dom.addClass(a,"blocklyColourHighlighted");this.highlightedIndex_=b;Blockly.utils.aria.setState(this.picker_,Blockly.utils.aria.State.ACTIVEDESCENDANT,a.getAttribute("id"))};
-Blockly.FieldColour.prototype.dropdownCreate_=function(){var a=this.columns_||Blockly.FieldColour.COLUMNS,b=this.colours_||Blockly.FieldColour.COLOURS,c=this.titles_||Blockly.FieldColour.TITLES,d=this.getValue(),e=document.createElement("table");e.className="blocklyColourTable";e.tabIndex=0;e.dir="ltr";Blockly.utils.aria.setRole(e,Blockly.utils.aria.Role.GRID);Blockly.utils.aria.setState(e,Blockly.utils.aria.State.EXPANDED,!0);Blockly.utils.aria.setState(e,Blockly.utils.aria.State.ROWCOUNT,Math.floor(b.length/
-a));Blockly.utils.aria.setState(e,Blockly.utils.aria.State.COLCOUNT,a);for(var f,g=0;g<b.length;g++){0==g%a&&(f=document.createElement("tr"),Blockly.utils.aria.setRole(f,Blockly.utils.aria.Role.ROW),e.appendChild(f));var h=document.createElement("td");f.appendChild(h);h.label=b[g];h.title=c[g]||b[g];h.id=Blockly.utils.IdGenerator.getNextUniqueId();h.setAttribute("data-index",g);Blockly.utils.aria.setRole(h,Blockly.utils.aria.Role.GRIDCELL);Blockly.utils.aria.setState(h,Blockly.utils.aria.State.LABEL,
-b[g]);Blockly.utils.aria.setState(h,Blockly.utils.aria.State.SELECTED,b[g]==d);h.style.backgroundColor=b[g];b[g]==d&&(h.className="blocklyColourSelected",this.highlightedIndex_=g)}this.onClickWrapper_=Blockly.bindEventWithChecks_(e,"click",this,this.onClick_,!0);this.onMouseMoveWrapper_=Blockly.bindEventWithChecks_(e,"mousemove",this,this.onMouseMove_,!0);this.onMouseEnterWrapper_=Blockly.bindEventWithChecks_(e,"mouseenter",this,this.onMouseEnter_,!0);this.onMouseLeaveWrapper_=Blockly.bindEventWithChecks_(e,
-"mouseleave",this,this.onMouseLeave_,!0);this.onKeyDownWrapper_=Blockly.bindEventWithChecks_(e,"keydown",this,this.onKeyDown_);return e};
-Blockly.FieldColour.prototype.dropdownDispose_=function(){this.onClickWrapper_&&(Blockly.unbindEvent_(this.onClickWrapper_),this.onClickWrapper_=null);this.onMouseMoveWrapper_&&(Blockly.unbindEvent_(this.onMouseMoveWrapper_),this.onMouseMoveWrapper_=null);this.onMouseEnterWrapper_&&(Blockly.unbindEvent_(this.onMouseEnterWrapper_),this.onMouseEnterWrapper_=null);this.onMouseLeaveWrapper_&&(Blockly.unbindEvent_(this.onMouseLeaveWrapper_),this.onMouseLeaveWrapper_=null);this.onKeyDownWrapper_&&(Blockly.unbindEvent_(this.onKeyDownWrapper_),
-this.onKeyDownWrapper_=null);this.highlightedIndex_=this.picker_=null};
-Blockly.Css.register([".blocklyColourTable {","border-collapse: collapse;","display: block;","outline: none;","padding: 1px;","}",".blocklyColourTable>tr>td {","border: .5px solid #888;","box-sizing: border-box;","cursor: pointer;","display: inline-block;","height: 20px;","padding: 0;","width: 20px;","}",".blocklyColourTable>tr>td.blocklyColourHighlighted {","border-color: #eee;","box-shadow: 2px 2px 7px 2px rgba(0,0,0,.3);","position: relative;","}",".blocklyColourSelected, .blocklyColourSelected:hover {",
-"border-color: #eee !important;","outline: 1px solid #333;","position: relative;","}"]);Blockly.fieldRegistry.register("field_colour",Blockly.FieldColour);Blockly.FieldDropdown=function(a,b,c){"function"!=typeof a&&Blockly.FieldDropdown.validateOptions_(a);this.menuGenerator_=a;this.suffixField=this.prefixField=this.generatedOptions_=null;this.trimOptions_();this.selectedOption_=this.getOptions(!1)[0];Blockly.FieldDropdown.superClass_.constructor.call(this,this.selectedOption_[1],b,c);this.svgArrow_=this.arrow_=this.imageElement_=this.menu_=this.selectedMenuItem_=null};Blockly.utils.object.inherits(Blockly.FieldDropdown,Blockly.Field);
-Blockly.FieldDropdown.fromJson=function(a){return new Blockly.FieldDropdown(a.options,void 0,a)};Blockly.FieldDropdown.prototype.SERIALIZABLE=!0;Blockly.FieldDropdown.CHECKMARK_OVERHANG=25;Blockly.FieldDropdown.MAX_MENU_HEIGHT_VH=.45;Blockly.FieldDropdown.IMAGE_Y_OFFSET=5;Blockly.FieldDropdown.IMAGE_Y_PADDING=2*Blockly.FieldDropdown.IMAGE_Y_OFFSET;Blockly.FieldDropdown.ARROW_CHAR=Blockly.utils.userAgent.ANDROID?"\u25bc":"\u25be";Blockly.FieldDropdown.prototype.CURSOR="default";
-Blockly.FieldDropdown.prototype.initView=function(){this.shouldAddBorderRect_()?this.createBorderRect_():this.clickTarget_=this.sourceBlock_.getSvgRoot();this.createTextElement_();this.imageElement_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.IMAGE,{},this.fieldGroup_);this.getConstants().FIELD_DROPDOWN_SVG_ARROW?this.createSVGArrow_():this.createTextArrow_();this.borderRect_&&Blockly.utils.dom.addClass(this.borderRect_,"blocklyDropdownRect")};
-Blockly.FieldDropdown.prototype.shouldAddBorderRect_=function(){return!this.getConstants().FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW||this.getConstants().FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW&&!this.sourceBlock_.isShadow()};
-Blockly.FieldDropdown.prototype.createTextArrow_=function(){this.arrow_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.TSPAN,{},this.textElement_);this.arrow_.appendChild(document.createTextNode(this.sourceBlock_.RTL?Blockly.FieldDropdown.ARROW_CHAR+" ":" "+Blockly.FieldDropdown.ARROW_CHAR));this.sourceBlock_.RTL?this.textElement_.insertBefore(this.arrow_,this.textContent_):this.textElement_.appendChild(this.arrow_)};
-Blockly.FieldDropdown.prototype.createSVGArrow_=function(){this.svgArrow_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.IMAGE,{height:this.getConstants().FIELD_DROPDOWN_SVG_ARROW_SIZE+"px",width:this.getConstants().FIELD_DROPDOWN_SVG_ARROW_SIZE+"px"},this.fieldGroup_);this.svgArrow_.setAttributeNS(Blockly.utils.dom.XLINK_NS,"xlink:href",this.getConstants().FIELD_DROPDOWN_SVG_ARROW_DATAURI)};
-Blockly.FieldDropdown.prototype.showEditor_=function(a){this.menu_=this.dropdownCreate_();this.menu_.openingCoords=a&&"number"===typeof a.clientX?new Blockly.utils.Coordinate(a.clientX,a.clientY):null;this.menu_.render(Blockly.DropDownDiv.getContentDiv());a=this.menu_.getElement();Blockly.utils.dom.addClass(a,"blocklyDropdownMenu");if(this.getConstants().FIELD_DROPDOWN_COLOURED_DIV){a=this.sourceBlock_.isShadow()?this.sourceBlock_.getParent().getColour():this.sourceBlock_.getColour();var b=this.sourceBlock_.isShadow()?
-this.sourceBlock_.getParent().style.colourTertiary:this.sourceBlock_.style.colourTertiary;Blockly.DropDownDiv.setColour(a,b)}Blockly.DropDownDiv.showPositionedByField(this,this.dropdownDispose_.bind(this));this.menu_.focus();this.selectedMenuItem_&&this.menu_.setHighlighted(this.selectedMenuItem_);this.applyColour()};
-Blockly.FieldDropdown.prototype.dropdownCreate_=function(){var a=new Blockly.Menu;a.setRole(Blockly.utils.aria.Role.LISTBOX);var b=this.getOptions(!1);this.selectedMenuItem_=null;for(var c=0;c<b.length;c++){var d=b[c][0],e=b[c][1];if("object"==typeof d){var f=new Image(d.width,d.height);f.src=d.src;f.alt=d.alt||"";d=f}d=new Blockly.MenuItem(d,e);d.setRole(Blockly.utils.aria.Role.OPTION);d.setRightToLeft(this.sourceBlock_.RTL);d.setCheckable(!0);a.addChild(d);d.setChecked(e==this.value_);e==this.value_&&
-(this.selectedMenuItem_=d);d.onAction(this.handleMenuActionEvent_,this)}return a};Blockly.FieldDropdown.prototype.dropdownDispose_=function(){this.menu_&&this.menu_.dispose();this.selectedMenuItem_=this.menu_=null;this.applyColour()};Blockly.FieldDropdown.prototype.handleMenuActionEvent_=function(a){Blockly.DropDownDiv.hideIfOwner(this,!0);this.onItemSelected_(this.menu_,a)};Blockly.FieldDropdown.prototype.onItemSelected_=function(a,b){this.setValue(b.getValue())};
-Blockly.FieldDropdown.prototype.trimOptions_=function(){var a=this.menuGenerator_;if(Array.isArray(a)){for(var b=!1,c=0;c<a.length;c++){var d=a[c][0];"string"==typeof d?a[c][0]=Blockly.utils.replaceMessageReferences(d):(null!=d.alt&&(a[c][0].alt=Blockly.utils.replaceMessageReferences(d.alt)),b=!0)}if(!(b||2>a.length)){b=[];for(c=0;c<a.length;c++)b.push(a[c][0]);c=Blockly.utils.string.shortestStringLength(b);d=Blockly.utils.string.commonWordPrefix(b,c);var e=Blockly.utils.string.commonWordSuffix(b,
-c);!d&&!e||c<=d+e||(d&&(this.prefixField=b[0].substring(0,d-1)),e&&(this.suffixField=b[0].substr(1-e)),this.menuGenerator_=Blockly.FieldDropdown.applyTrim_(a,d,e))}}};Blockly.FieldDropdown.applyTrim_=function(a,b,c){for(var d=[],e=0;e<a.length;e++){var f=a[e][0],g=a[e][1];f=f.substring(b,f.length-c);d[e]=[f,g]}return d};Blockly.FieldDropdown.prototype.isOptionListDynamic=function(){return"function"==typeof this.menuGenerator_};
-Blockly.FieldDropdown.prototype.getOptions=function(a){return this.isOptionListDynamic()?(this.generatedOptions_&&a||(this.generatedOptions_=this.menuGenerator_.call(this),Blockly.FieldDropdown.validateOptions_(this.generatedOptions_)),this.generatedOptions_):this.menuGenerator_};
-Blockly.FieldDropdown.prototype.doClassValidation_=function(a){for(var b=!1,c=this.getOptions(!0),d=0,e;e=c[d];d++)if(e[1]==a){b=!0;break}return b?a:(this.sourceBlock_&&console.warn("Cannot set the dropdown's value to an unavailable option. Block type: "+this.sourceBlock_.type+", Field name: "+this.name+", Value: "+a),null)};
-Blockly.FieldDropdown.prototype.doValueUpdate_=function(a){Blockly.FieldDropdown.superClass_.doValueUpdate_.call(this,a);a=this.getOptions(!0);for(var b=0,c;c=a[b];b++)c[1]==this.value_&&(this.selectedOption_=c)};
-Blockly.FieldDropdown.prototype.applyColour=function(){this.borderRect_&&(this.borderRect_.setAttribute("stroke",this.sourceBlock_.style.colourTertiary),this.menu_?this.borderRect_.setAttribute("fill",this.sourceBlock_.style.colourTertiary):this.borderRect_.setAttribute("fill","transparent"));this.sourceBlock_&&this.arrow_&&(this.sourceBlock_.isShadow()?this.arrow_.style.fill=this.sourceBlock_.style.colourSecondary:this.arrow_.style.fill=this.sourceBlock_.style.colourPrimary)};
-Blockly.FieldDropdown.prototype.render_=function(){this.textContent_.nodeValue="";this.imageElement_.style.display="none";var a=this.selectedOption_&&this.selectedOption_[0];a&&"object"==typeof a?this.renderSelectedImage_(a):this.renderSelectedText_();this.positionBorderRect_()};
-Blockly.FieldDropdown.prototype.renderSelectedImage_=function(a){this.imageElement_.style.display="";this.imageElement_.setAttributeNS(Blockly.utils.dom.XLINK_NS,"xlink:href",a.src);this.imageElement_.setAttribute("height",a.height);this.imageElement_.setAttribute("width",a.width);var b=Number(a.height);a=Number(a.width);var c=!!this.borderRect_,d=Math.max(c?this.getConstants().FIELD_DROPDOWN_BORDER_RECT_HEIGHT:0,b+Blockly.FieldDropdown.IMAGE_Y_PADDING);c=c?this.getConstants().FIELD_BORDER_RECT_X_PADDING:
-0;var e=this.svgArrow_?this.positionSVGArrow_(a+c,d/2-this.getConstants().FIELD_DROPDOWN_SVG_ARROW_SIZE/2):Blockly.utils.dom.getFastTextWidth(this.arrow_,this.getConstants().FIELD_TEXT_FONTSIZE,this.getConstants().FIELD_TEXT_FONTWEIGHT,this.getConstants().FIELD_TEXT_FONTFAMILY);this.size_.width=a+e+2*c;this.size_.height=d;var f=0;this.sourceBlock_.RTL?this.imageElement_.setAttribute("x",c+e):(f=a+e,this.textElement_.setAttribute("text-anchor","end"),this.imageElement_.setAttribute("x",c));this.imageElement_.setAttribute("y",
-d/2-b/2);this.positionTextElement_(f+c,a+e)};
-Blockly.FieldDropdown.prototype.renderSelectedText_=function(){this.textContent_.nodeValue=this.getDisplayText_();Blockly.utils.dom.addClass(this.textElement_,"blocklyDropdownText");this.textElement_.setAttribute("text-anchor","start");var a=!!this.borderRect_,b=Math.max(a?this.getConstants().FIELD_DROPDOWN_BORDER_RECT_HEIGHT:0,this.getConstants().FIELD_TEXT_HEIGHT),c=Blockly.utils.dom.getFastTextWidth(this.textElement_,this.getConstants().FIELD_TEXT_FONTSIZE,this.getConstants().FIELD_TEXT_FONTWEIGHT,
-this.getConstants().FIELD_TEXT_FONTFAMILY);a=a?this.getConstants().FIELD_BORDER_RECT_X_PADDING:0;var d=0;this.svgArrow_&&(d=this.positionSVGArrow_(c+a,b/2-this.getConstants().FIELD_DROPDOWN_SVG_ARROW_SIZE/2));this.size_.width=c+d+2*a;this.size_.height=b;this.positionTextElement_(a,c)};
-Blockly.FieldDropdown.prototype.positionSVGArrow_=function(a,b){if(!this.svgArrow_)return 0;var c=this.borderRect_?this.getConstants().FIELD_BORDER_RECT_X_PADDING:0,d=this.getConstants().FIELD_DROPDOWN_SVG_ARROW_PADDING,e=this.getConstants().FIELD_DROPDOWN_SVG_ARROW_SIZE;this.svgArrow_.setAttribute("transform","translate("+(this.sourceBlock_.RTL?c:a+d)+","+b+")");return e+d};
-Blockly.FieldDropdown.prototype.getText_=function(){if(!this.selectedOption_)return null;var a=this.selectedOption_[0];return"object"==typeof a?a.alt:a};
-Blockly.FieldDropdown.validateOptions_=function(a){if(!Array.isArray(a))throw TypeError("FieldDropdown options must be an array.");if(!a.length)throw TypeError("FieldDropdown options must not be an empty array.");for(var b=!1,c=0;c<a.length;++c){var d=a[c];Array.isArray(d)?"string"!=typeof d[1]?(b=!0,console.error("Invalid option["+c+"]: Each FieldDropdown option id must be a string. Found "+d[1]+" in: ",d)):d[0]&&"string"!=typeof d[0]&&"string"!=typeof d[0].src&&(b=!0,console.error("Invalid option["+
-c+"]: Each FieldDropdown option must have a string label or image description. Found"+d[0]+" in: ",d)):(b=!0,console.error("Invalid option["+c+"]: Each FieldDropdown option must be an array. Found: ",d))}if(b)throw TypeError("Found invalid FieldDropdown options.");};
-Blockly.FieldDropdown.prototype.onBlocklyAction=function(a){if(this.menu_){if(a===Blockly.navigation.ACTION_PREVIOUS)return this.menu_.highlightPrevious(),!0;if(a===Blockly.navigation.ACTION_NEXT)return this.menu_.highlightNext(),!0}return Blockly.FieldDropdown.superClass_.onBlocklyAction.call(this,a)};Blockly.fieldRegistry.register("field_dropdown",Blockly.FieldDropdown);Blockly.FieldLabelSerializable=function(a,b,c){Blockly.FieldLabelSerializable.superClass_.constructor.call(this,a,b,c)};Blockly.utils.object.inherits(Blockly.FieldLabelSerializable,Blockly.FieldLabel);Blockly.FieldLabelSerializable.fromJson=function(a){var b=Blockly.utils.replaceMessageReferences(a.text);return new Blockly.FieldLabelSerializable(b,void 0,a)};Blockly.FieldLabelSerializable.prototype.EDITABLE=!1;Blockly.FieldLabelSerializable.prototype.SERIALIZABLE=!0;
-Blockly.fieldRegistry.register("field_label_serializable",Blockly.FieldLabelSerializable);Blockly.FieldImage=function(a,b,c,d,e,f,g){if(!a)throw Error("Src value of an image field is required");a=Blockly.utils.replaceMessageReferences(a);c=Number(Blockly.utils.replaceMessageReferences(c));b=Number(Blockly.utils.replaceMessageReferences(b));if(isNaN(c)||isNaN(b))throw Error("Height and width values of an image field must cast to numbers.");if(0>=c||0>=b)throw Error("Height and width values of an image field must be greater than 0.");this.flipRtl_=!1;this.altText_="";Blockly.FieldImage.superClass_.constructor.call(this,
-a,null,g);g||(this.flipRtl_=!!f,this.altText_=Blockly.utils.replaceMessageReferences(d)||"");this.size_=new Blockly.utils.Size(b,c+Blockly.FieldImage.Y_PADDING);this.imageHeight_=c;this.clickHandler_=null;"function"==typeof e&&(this.clickHandler_=e);this.imageElement_=null};Blockly.utils.object.inherits(Blockly.FieldImage,Blockly.Field);Blockly.FieldImage.prototype.DEFAULT_VALUE="";Blockly.FieldImage.fromJson=function(a){return new Blockly.FieldImage(a.src,a.width,a.height,void 0,void 0,void 0,a)};
-Blockly.FieldImage.Y_PADDING=1;Blockly.FieldImage.prototype.EDITABLE=!1;Blockly.FieldImage.prototype.isDirty_=!1;Blockly.FieldImage.prototype.configure_=function(a){Blockly.FieldImage.superClass_.configure_.call(this,a);this.flipRtl_=!!a.flipRtl;this.altText_=Blockly.utils.replaceMessageReferences(a.alt)||""};
-Blockly.FieldImage.prototype.initView=function(){this.imageElement_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.IMAGE,{height:this.imageHeight_+"px",width:this.size_.width+"px",alt:this.altText_},this.fieldGroup_);this.imageElement_.setAttributeNS(Blockly.utils.dom.XLINK_NS,"xlink:href",this.value_);this.clickHandler_&&(this.imageElement_.style.cursor="pointer")};Blockly.FieldImage.prototype.updateSize_=function(){};
-Blockly.FieldImage.prototype.doClassValidation_=function(a){return"string"!=typeof a?null:a};Blockly.FieldImage.prototype.doValueUpdate_=function(a){this.value_=a;this.imageElement_&&this.imageElement_.setAttributeNS(Blockly.utils.dom.XLINK_NS,"xlink:href",String(this.value_))};Blockly.FieldImage.prototype.getFlipRtl=function(){return this.flipRtl_};Blockly.FieldImage.prototype.setAlt=function(a){a!=this.altText_&&(this.altText_=a||"",this.imageElement_&&this.imageElement_.setAttribute("alt",this.altText_))};
-Blockly.FieldImage.prototype.showEditor_=function(){this.clickHandler_&&this.clickHandler_(this)};Blockly.FieldImage.prototype.setOnClickHandler=function(a){this.clickHandler_=a};Blockly.FieldImage.prototype.getText_=function(){return this.altText_};Blockly.fieldRegistry.register("field_image",Blockly.FieldImage);Blockly.FieldMultilineInput=function(a,b,c){Blockly.FieldMultilineInput.superClass_.constructor.call(this,a,b,c);this.textGroup_=null};Blockly.utils.object.inherits(Blockly.FieldMultilineInput,Blockly.FieldTextInput);Blockly.FieldMultilineInput.fromJson=function(a){var b=Blockly.utils.replaceMessageReferences(a.text);return new Blockly.FieldMultilineInput(b,void 0,a)};Blockly.FieldMultilineInput.prototype.toXml=function(a){a.textContent=this.getValue().replace(/\n/g,"&#10;");return a};
-Blockly.FieldMultilineInput.prototype.fromXml=function(a){this.setValue(a.textContent.replace(/&#10;/g,"\n"))};Blockly.FieldMultilineInput.prototype.initView=function(){this.createBorderRect_();this.textGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{"class":"blocklyEditableText"},this.fieldGroup_)};
-Blockly.FieldMultilineInput.prototype.getDisplayText_=function(){var a=this.value_;if(!a)return Blockly.Field.NBSP;var b=a.split("\n");a="";for(var c=0;c<b.length;c++){var d=b[c];d.length>this.maxDisplayLength&&(d=d.substring(0,this.maxDisplayLength-4)+"...");d=d.replace(/\s/g,Blockly.Field.NBSP);a+=d;c!==b.length-1&&(a+="\n")}this.sourceBlock_.RTL&&(a+="\u200f");return a};
-Blockly.FieldMultilineInput.prototype.render_=function(){for(var a;a=this.textGroup_.firstChild;)this.textGroup_.removeChild(a);a=this.getDisplayText_().split("\n");for(var b=0,c=0;c<a.length;c++){var d=this.getConstants().FIELD_TEXT_HEIGHT+this.getConstants().FIELD_BORDER_RECT_Y_PADDING;Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.TEXT,{"class":"blocklyText blocklyMultilineText",x:this.getConstants().FIELD_BORDER_RECT_X_PADDING,y:b+this.getConstants().FIELD_BORDER_RECT_Y_PADDING,dy:this.getConstants().FIELD_TEXT_BASELINE},
-this.textGroup_).appendChild(document.createTextNode(a[c]));b+=d}this.updateSize_();this.isBeingEdited_&&(this.sourceBlock_.RTL?setTimeout(this.resizeEditor_.bind(this),0):this.resizeEditor_(),a=this.htmlInput_,this.isTextValid_?(Blockly.utils.dom.removeClass(a,"blocklyInvalidInput"),Blockly.utils.aria.setState(a,Blockly.utils.aria.State.INVALID,!1)):(Blockly.utils.dom.addClass(a,"blocklyInvalidInput"),Blockly.utils.aria.setState(a,Blockly.utils.aria.State.INVALID,!0)))};
-Blockly.FieldMultilineInput.prototype.updateSize_=function(){for(var a=this.textGroup_.childNodes,b=0,c=0,d=0;d<a.length;d++){var e=Blockly.utils.dom.getTextWidth(a[d]);e>b&&(b=e);c+=this.getConstants().FIELD_TEXT_HEIGHT+(0<d?this.getConstants().FIELD_BORDER_RECT_Y_PADDING:0)}this.borderRect_&&(c+=2*this.getConstants().FIELD_BORDER_RECT_Y_PADDING,b+=2*this.getConstants().FIELD_BORDER_RECT_X_PADDING,this.borderRect_.setAttribute("width",b),this.borderRect_.setAttribute("height",c));this.size_.width=
-b;this.size_.height=c;this.positionBorderRect_()};
-Blockly.FieldMultilineInput.prototype.widgetCreate_=function(){var a=Blockly.WidgetDiv.DIV,b=this.workspace_.getScale(),c=document.createElement("textarea");c.className="blocklyHtmlInput blocklyHtmlTextAreaInput";c.setAttribute("spellcheck",this.spellcheck_);var d=this.getConstants().FIELD_TEXT_FONTSIZE*b+"pt";a.style.fontSize=d;c.style.fontSize=d;c.style.borderRadius=Blockly.FieldTextInput.BORDERRADIUS*b+"px";d=this.getConstants().FIELD_BORDER_RECT_X_PADDING*b;var e=this.getConstants().FIELD_BORDER_RECT_Y_PADDING*
-b/2;c.style.padding=e+"px "+d+"px "+e+"px "+d+"px";d=this.getConstants().FIELD_TEXT_HEIGHT+this.getConstants().FIELD_BORDER_RECT_Y_PADDING;c.style.lineHeight=d*b+"px";a.appendChild(c);c.value=c.defaultValue=this.getEditorText_(this.value_);c.untypedDefaultValue_=this.value_;c.oldValue_=null;Blockly.utils.userAgent.GECKO?setTimeout(this.resizeEditor_.bind(this),0):this.resizeEditor_();this.bindInputEvents_(c);return c};
-Blockly.FieldMultilineInput.prototype.onHtmlInputKeyDown_=function(a){a.keyCode!==Blockly.utils.KeyCodes.ENTER&&Blockly.FieldMultilineInput.superClass_.onHtmlInputKeyDown_.call(this,a)};Blockly.Css.register(".blocklyHtmlTextAreaInput {,font-family: monospace;,resize: none;,overflow: hidden;,height: 100%;,text-align: left;,}".split(","));Blockly.fieldRegistry.register("field_multilinetext",Blockly.FieldMultilineInput);Blockly.FieldNumber=function(a,b,c,d,e,f){this.min_=-Infinity;this.max_=Infinity;this.precision_=0;this.decimalPlaces_=null;Blockly.FieldNumber.superClass_.constructor.call(this,a,e,f);f||this.setConstraints(b,c,d)};Blockly.utils.object.inherits(Blockly.FieldNumber,Blockly.FieldTextInput);Blockly.FieldNumber.prototype.DEFAULT_VALUE=0;Blockly.FieldNumber.fromJson=function(a){return new Blockly.FieldNumber(a.value,void 0,void 0,void 0,void 0,a)};Blockly.FieldNumber.prototype.SERIALIZABLE=!0;
-Blockly.FieldNumber.prototype.configure_=function(a){Blockly.FieldNumber.superClass_.configure_.call(this,a);this.setMinInternal_(a.min);this.setMaxInternal_(a.max);this.setPrecisionInternal_(a.precision)};Blockly.FieldNumber.prototype.setConstraints=function(a,b,c){this.setMinInternal_(a);this.setMaxInternal_(b);this.setPrecisionInternal_(c);this.setValue(this.getValue())};Blockly.FieldNumber.prototype.setMin=function(a){this.setMinInternal_(a);this.setValue(this.getValue())};
-Blockly.FieldNumber.prototype.setMinInternal_=function(a){null==a?this.min_=-Infinity:(a=Number(a),isNaN(a)||(this.min_=a))};Blockly.FieldNumber.prototype.getMin=function(){return this.min_};Blockly.FieldNumber.prototype.setMax=function(a){this.setMaxInternal_(a);this.setValue(this.getValue())};Blockly.FieldNumber.prototype.setMaxInternal_=function(a){null==a?this.max_=Infinity:(a=Number(a),isNaN(a)||(this.max_=a))};Blockly.FieldNumber.prototype.getMax=function(){return this.max_};
-Blockly.FieldNumber.prototype.setPrecision=function(a){this.setPrecisionInternal_(a);this.setValue(this.getValue())};Blockly.FieldNumber.prototype.setPrecisionInternal_=function(a){null==a?this.precision_=0:(a=Number(a),isNaN(a)||(this.precision_=a));var b=this.precision_.toLocaleString("en-US",{maximumFractionDigits:20}),c=b.indexOf(".");this.decimalPlaces_=-1==c?a?0:null:b.length-c-1};Blockly.FieldNumber.prototype.getPrecision=function(){return this.precision_};
-Blockly.FieldNumber.prototype.doClassValidation_=function(a){if(null===a)return null;a=String(a);a=a.replace(/O/ig,"0");a=a.replace(/,/g,"");a=a.replace(/infinity/i,"Infinity");a=Number(a||0);if(isNaN(a))return null;a=Math.min(Math.max(a,this.min_),this.max_);this.precision_&&isFinite(a)&&(a=Math.round(a/this.precision_)*this.precision_);null!=this.decimalPlaces_&&(a=Number(a.toFixed(this.decimalPlaces_)));return a};
-Blockly.FieldNumber.prototype.widgetCreate_=function(){var a=Blockly.FieldNumber.superClass_.widgetCreate_.call(this);-Infinity<this.min_&&Blockly.utils.aria.setState(a,Blockly.utils.aria.State.VALUEMIN,this.min_);Infinity>this.max_&&Blockly.utils.aria.setState(a,Blockly.utils.aria.State.VALUEMAX,this.max_);return a};Blockly.fieldRegistry.register("field_number",Blockly.FieldNumber);Blockly.FieldVariable=function(a,b,c,d,e){this.menuGenerator_=Blockly.FieldVariable.dropdownCreate;this.defaultVariableName=a||"";this.size_=new Blockly.utils.Size(0,0);e&&this.configure_(e);b&&this.setValidator(b);e||this.setTypes_(c,d)};Blockly.utils.object.inherits(Blockly.FieldVariable,Blockly.FieldDropdown);Blockly.FieldVariable.fromJson=function(a){var b=Blockly.utils.replaceMessageReferences(a.variable);return new Blockly.FieldVariable(b,void 0,void 0,void 0,a)};
-Blockly.FieldVariable.prototype.SERIALIZABLE=!0;Blockly.FieldVariable.prototype.configure_=function(a){Blockly.FieldVariable.superClass_.configure_.call(this,a);this.setTypes_(a.variableTypes,a.defaultType)};Blockly.FieldVariable.prototype.initModel=function(){if(!this.variable_){var a=Blockly.Variables.getOrCreateVariablePackage(this.sourceBlock_.workspace,null,this.defaultVariableName,this.defaultType_);this.doValueUpdate_(a.getId())}};
-Blockly.FieldVariable.prototype.shouldAddBorderRect_=function(){return Blockly.FieldVariable.superClass_.shouldAddBorderRect_.call(this)&&(!this.getConstants().FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW||"variables_get"!=this.sourceBlock_.type)};
-Blockly.FieldVariable.prototype.fromXml=function(a){var b=a.getAttribute("id"),c=a.textContent,d=a.getAttribute("variabletype")||a.getAttribute("variableType")||"";b=Blockly.Variables.getOrCreateVariablePackage(this.sourceBlock_.workspace,b,c,d);if(null!=d&&d!==b.type)throw Error("Serialized variable type with id '"+b.getId()+"' had type "+b.type+", and does not match variable field that references it: "+Blockly.Xml.domToText(a)+".");this.setValue(b.getId())};
-Blockly.FieldVariable.prototype.toXml=function(a){this.initModel();a.id=this.variable_.getId();a.textContent=this.variable_.name;this.variable_.type&&a.setAttribute("variabletype",this.variable_.type);return a};Blockly.FieldVariable.prototype.setSourceBlock=function(a){if(a.isShadow())throw Error("Variable fields are not allowed to exist on shadow blocks.");Blockly.FieldVariable.superClass_.setSourceBlock.call(this,a)};
-Blockly.FieldVariable.prototype.getValue=function(){return this.variable_?this.variable_.getId():null};Blockly.FieldVariable.prototype.getText=function(){return this.variable_?this.variable_.name:""};Blockly.FieldVariable.prototype.getVariable=function(){return this.variable_};Blockly.FieldVariable.prototype.getValidator=function(){return this.variable_?this.validator_:null};
-Blockly.FieldVariable.prototype.doClassValidation_=function(a){if(null===a)return null;var b=Blockly.Variables.getVariable(this.sourceBlock_.workspace,a);if(!b)return console.warn("Variable id doesn't point to a real variable! ID was "+a),null;b=b.type;return this.typeIsAllowed_(b)?a:(console.warn("Variable type doesn't match this field!  Type was "+b),null)};
-Blockly.FieldVariable.prototype.doValueUpdate_=function(a){this.variable_=Blockly.Variables.getVariable(this.sourceBlock_.workspace,a);Blockly.FieldVariable.superClass_.doValueUpdate_.call(this,a)};Blockly.FieldVariable.prototype.typeIsAllowed_=function(a){var b=this.getVariableTypes_();if(!b)return!0;for(var c=0;c<b.length;c++)if(a==b[c])return!0;return!1};
-Blockly.FieldVariable.prototype.getVariableTypes_=function(){var a=this.variableTypes;if(null===a&&this.sourceBlock_&&this.sourceBlock_.workspace)return this.sourceBlock_.workspace.getVariableTypes();a=a||[""];if(0==a.length)throw a=this.getText(),Error("'variableTypes' of field variable "+a+" was an empty list");return a};
-Blockly.FieldVariable.prototype.setTypes_=function(a,b){b=b||"";if(null==a||void 0==a)a=null;else if(Array.isArray(a)){for(var c=!1,d=0;d<a.length;d++)a[d]==b&&(c=!0);if(!c)throw Error("Invalid default type '"+b+"' in the definition of a FieldVariable");}else throw Error("'variableTypes' was not an array in the definition of a FieldVariable");this.defaultType_=b;this.variableTypes=a};Blockly.FieldVariable.prototype.refreshVariableName=function(){this.forceRerender()};
-Blockly.FieldVariable.dropdownCreate=function(){if(!this.variable_)throw Error("Tried to call dropdownCreate on a variable field with no variable selected.");var a=this.getText(),b=[];if(this.sourceBlock_&&this.sourceBlock_.workspace)for(var c=this.getVariableTypes_(),d=0;d<c.length;d++){var e=this.sourceBlock_.workspace.getVariablesOfType(c[d]);b=b.concat(e)}b.sort(Blockly.VariableModel.compareByName);c=[];for(d=0;d<b.length;d++)c[d]=[b[d].name,b[d].getId()];c.push([Blockly.Msg.RENAME_VARIABLE,Blockly.RENAME_VARIABLE_ID]);
-Blockly.Msg.DELETE_VARIABLE&&c.push([Blockly.Msg.DELETE_VARIABLE.replace("%1",a),Blockly.DELETE_VARIABLE_ID]);return c};Blockly.FieldVariable.prototype.onItemSelected_=function(a,b){a=b.getValue();if(this.sourceBlock_&&this.sourceBlock_.workspace){if(a==Blockly.RENAME_VARIABLE_ID){Blockly.Variables.renameVariable(this.sourceBlock_.workspace,this.variable_);return}if(a==Blockly.DELETE_VARIABLE_ID){this.sourceBlock_.workspace.deleteVariableById(this.variable_.getId());return}}this.setValue(a)};
-Blockly.FieldVariable.prototype.referencesVariables=function(){return!0};Blockly.fieldRegistry.register("field_variable",Blockly.FieldVariable);Blockly.utils.svgPaths={};Blockly.utils.svgPaths.point=function(a,b){return" "+a+","+b+" "};Blockly.utils.svgPaths.curve=function(a,b){return" "+a+b.join("")};Blockly.utils.svgPaths.moveTo=function(a,b){return" M "+a+","+b+" "};Blockly.utils.svgPaths.moveBy=function(a,b){return" m "+a+","+b+" "};Blockly.utils.svgPaths.lineTo=function(a,b){return" l "+a+","+b+" "};Blockly.utils.svgPaths.line=function(a){return" l"+a.join("")};Blockly.utils.svgPaths.lineOnAxis=function(a,b){return" "+a+" "+b+" "};
-Blockly.utils.svgPaths.arc=function(a,b,c,d){return a+" "+c+" "+c+" "+b+d};Blockly.blockRendering.ConstantProvider=function(){this.NO_PADDING=0;this.SMALL_PADDING=3;this.MEDIUM_PADDING=5;this.MEDIUM_LARGE_PADDING=8;this.LARGE_PADDING=10;this.TALL_INPUT_FIELD_OFFSET_Y=this.MEDIUM_PADDING;this.TAB_HEIGHT=15;this.TAB_OFFSET_FROM_TOP=5;this.TAB_VERTICAL_OVERLAP=2.5;this.TAB_WIDTH=8;this.NOTCH_WIDTH=15;this.NOTCH_HEIGHT=4;this.MIN_BLOCK_WIDTH=12;this.EMPTY_BLOCK_SPACER_HEIGHT=16;this.DUMMY_INPUT_SHADOW_MIN_HEIGHT=this.DUMMY_INPUT_MIN_HEIGHT=this.TAB_HEIGHT;this.CORNER_RADIUS=
-8;this.STATEMENT_INPUT_NOTCH_OFFSET=this.NOTCH_OFFSET_LEFT=15;this.STATEMENT_BOTTOM_SPACER=0;this.STATEMENT_INPUT_PADDING_LEFT=20;this.BETWEEN_STATEMENT_PADDING_Y=4;this.TOP_ROW_MIN_HEIGHT=this.MEDIUM_PADDING;this.TOP_ROW_PRECEDES_STATEMENT_MIN_HEIGHT=this.LARGE_PADDING;this.BOTTOM_ROW_MIN_HEIGHT=this.MEDIUM_PADDING;this.BOTTOM_ROW_AFTER_STATEMENT_MIN_HEIGHT=this.LARGE_PADDING;this.ADD_START_HATS=!1;this.START_HAT_HEIGHT=15;this.START_HAT_WIDTH=100;this.SPACER_DEFAULT_HEIGHT=15;this.MIN_BLOCK_HEIGHT=
-24;this.EMPTY_INLINE_INPUT_PADDING=14.5;this.EMPTY_INLINE_INPUT_HEIGHT=this.TAB_HEIGHT+11;this.EXTERNAL_VALUE_INPUT_PADDING=2;this.EMPTY_STATEMENT_INPUT_HEIGHT=this.MIN_BLOCK_HEIGHT;this.START_POINT=Blockly.utils.svgPaths.moveBy(0,0);this.JAGGED_TEETH_HEIGHT=12;this.JAGGED_TEETH_WIDTH=6;this.FIELD_TEXT_FONTSIZE=11;this.FIELD_TEXT_FONTWEIGHT="normal";this.FIELD_TEXT_FONTFAMILY="sans-serif";this.FIELD_TEXT_BASELINE=this.FIELD_TEXT_HEIGHT=-1;this.FIELD_BORDER_RECT_RADIUS=4;this.FIELD_BORDER_RECT_HEIGHT=
-16;this.FIELD_BORDER_RECT_X_PADDING=5;this.FIELD_BORDER_RECT_Y_PADDING=3;this.FIELD_BORDER_RECT_COLOUR="#fff";this.FIELD_TEXT_BASELINE_CENTER=!Blockly.utils.userAgent.IE&&!Blockly.utils.userAgent.EDGE;this.FIELD_DROPDOWN_BORDER_RECT_HEIGHT=this.FIELD_BORDER_RECT_HEIGHT;this.FIELD_DROPDOWN_SVG_ARROW=this.FIELD_DROPDOWN_COLOURED_DIV=this.FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW=!1;this.FIELD_DROPDOWN_SVG_ARROW_PADDING=this.FIELD_BORDER_RECT_X_PADDING;this.FIELD_DROPDOWN_SVG_ARROW_SIZE=12;this.FIELD_DROPDOWN_SVG_ARROW_DATAURI=
-"data:image/svg+xml;base64,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";
-this.FIELD_COLOUR_FULL_BLOCK=this.FIELD_TEXTINPUT_BOX_SHADOW=!1;this.FIELD_COLOUR_DEFAULT_WIDTH=26;this.FIELD_COLOUR_DEFAULT_HEIGHT=this.FIELD_BORDER_RECT_HEIGHT;this.FIELD_CHECKBOX_X_OFFSET=this.FIELD_BORDER_RECT_X_PADDING-3;this.randomIdentifier=String(Math.random()).substring(2);this.embossFilterId="";this.embossFilter_=null;this.disabledPatternId="";this.disabledPattern_=null;this.debugFilterId="";this.cssNode_=this.debugFilter_=null;this.CURSOR_COLOUR="#cc0a0a";this.MARKER_COLOUR="#4286f4";this.CURSOR_WS_WIDTH=
-100;this.WS_CURSOR_HEIGHT=5;this.CURSOR_STACK_PADDING=10;this.CURSOR_BLOCK_PADDING=2;this.CURSOR_STROKE_WIDTH=4;this.FULL_BLOCK_FIELDS=!1;this.INSERTION_MARKER_COLOUR="#000000";this.INSERTION_MARKER_OPACITY=.2;this.SHAPES={PUZZLE:1,NOTCH:2}};
-Blockly.blockRendering.ConstantProvider.prototype.init=function(){this.JAGGED_TEETH=this.makeJaggedTeeth();this.NOTCH=this.makeNotch();this.START_HAT=this.makeStartHat();this.PUZZLE_TAB=this.makePuzzleTab();this.INSIDE_CORNERS=this.makeInsideCorners();this.OUTSIDE_CORNERS=this.makeOutsideCorners()};Blockly.blockRendering.ConstantProvider.prototype.setTheme=function(a){this.blockStyles={};var b=a.blockStyles,c;for(c in b)this.blockStyles[c]=this.validatedBlockStyle_(b[c]);this.setDynamicProperties_(a)};
-Blockly.blockRendering.ConstantProvider.prototype.setDynamicProperties_=function(a){this.setFontConstants_(a);this.setComponentConstants_(a);this.ADD_START_HATS=null!=a.startHats?a.startHats:this.ADD_START_HATS};
-Blockly.blockRendering.ConstantProvider.prototype.setFontConstants_=function(a){this.FIELD_TEXT_FONTFAMILY=a.fontStyle&&void 0!=a.fontStyle.family?a.fontStyle.family:this.FIELD_TEXT_FONTFAMILY;this.FIELD_TEXT_FONTWEIGHT=a.fontStyle&&void 0!=a.fontStyle.weight?a.fontStyle.weight:this.FIELD_TEXT_FONTWEIGHT;this.FIELD_TEXT_FONTSIZE=a.fontStyle&&void 0!=a.fontStyle.size?a.fontStyle.size:this.FIELD_TEXT_FONTSIZE;a=Blockly.utils.dom.measureFontMetrics("Hg",this.FIELD_TEXT_FONTSIZE+"pt",this.FIELD_TEXT_FONTWEIGHT,
-this.FIELD_TEXT_FONTFAMILY);this.FIELD_TEXT_HEIGHT=a.height;this.FIELD_TEXT_BASELINE=a.baseline};
-Blockly.blockRendering.ConstantProvider.prototype.setComponentConstants_=function(a){this.CURSOR_COLOUR=a.getComponentStyle("cursorColour")||this.CURSOR_COLOUR;this.MARKER_COLOUR=a.getComponentStyle("markerColour")||this.MARKER_COLOUR;this.INSERTION_MARKER_COLOUR=a.getComponentStyle("insertionMarkerColour")||this.INSERTION_MARKER_COLOUR;this.INSERTION_MARKER_OPACITY=Number(a.getComponentStyle("insertionMarkerOpacity"))||this.INSERTION_MARKER_OPACITY};
-Blockly.blockRendering.ConstantProvider.prototype.getBlockStyleForColour=function(a){var b="auto_"+a;this.blockStyles[b]||(this.blockStyles[b]=this.createBlockStyle_(a));return{style:this.blockStyles[b],name:b}};Blockly.blockRendering.ConstantProvider.prototype.getBlockStyle=function(a){return this.blockStyles[a||""]||(a&&0==a.indexOf("auto_")?this.getBlockStyleForColour(a.substring(5)).style:this.createBlockStyle_("#000000"))};Blockly.blockRendering.ConstantProvider.prototype.createBlockStyle_=function(a){return this.validatedBlockStyle_({colourPrimary:a})};
-Blockly.blockRendering.ConstantProvider.prototype.validatedBlockStyle_=function(a){var b={};a&&Blockly.utils.object.mixin(b,a);a=Blockly.utils.parseBlockColour(b.colourPrimary||"#000");b.colourPrimary=a.hex;b.colourSecondary=b.colourSecondary?Blockly.utils.parseBlockColour(b.colourSecondary).hex:this.generateSecondaryColour_(b.colourPrimary);b.colourTertiary=b.colourTertiary?Blockly.utils.parseBlockColour(b.colourTertiary).hex:this.generateTertiaryColour_(b.colourPrimary);b.hat=b.hat||"";return b};
-Blockly.blockRendering.ConstantProvider.prototype.generateSecondaryColour_=function(a){return Blockly.utils.colour.blend("#fff",a,.6)||a};Blockly.blockRendering.ConstantProvider.prototype.generateTertiaryColour_=function(a){return Blockly.utils.colour.blend("#fff",a,.3)||a};
-Blockly.blockRendering.ConstantProvider.prototype.dispose=function(){this.embossFilter_&&Blockly.utils.dom.removeNode(this.embossFilter_);this.disabledPattern_&&Blockly.utils.dom.removeNode(this.disabledPattern_);this.debugFilter_&&Blockly.utils.dom.removeNode(this.debugFilter_);this.cssNode_=null};
-Blockly.blockRendering.ConstantProvider.prototype.makeJaggedTeeth=function(){var a=this.JAGGED_TEETH_HEIGHT,b=this.JAGGED_TEETH_WIDTH,c=Blockly.utils.svgPaths.line([Blockly.utils.svgPaths.point(b,a/4),Blockly.utils.svgPaths.point(2*-b,a/2),Blockly.utils.svgPaths.point(b,a/4)]);return{height:a,width:b,path:c}};
-Blockly.blockRendering.ConstantProvider.prototype.makeStartHat=function(){var a=this.START_HAT_HEIGHT,b=this.START_HAT_WIDTH,c=Blockly.utils.svgPaths.curve("c",[Blockly.utils.svgPaths.point(30,-a),Blockly.utils.svgPaths.point(70,-a),Blockly.utils.svgPaths.point(b,0)]);return{height:a,width:b,path:c}};
-Blockly.blockRendering.ConstantProvider.prototype.makePuzzleTab=function(){function a(f){f=f?-1:1;var g=-f,h=c/2,k=h+2.5,l=h+.5,m=Blockly.utils.svgPaths.point(-b,f*h);h=Blockly.utils.svgPaths.point(b,f*h);return Blockly.utils.svgPaths.curve("c",[Blockly.utils.svgPaths.point(0,f*k),Blockly.utils.svgPaths.point(-b,g*l),m])+Blockly.utils.svgPaths.curve("s",[Blockly.utils.svgPaths.point(b,2.5*g),h])}var b=this.TAB_WIDTH,c=this.TAB_HEIGHT,d=a(!0),e=a(!1);return{type:this.SHAPES.PUZZLE,width:b,height:c,
-pathDown:e,pathUp:d}};Blockly.blockRendering.ConstantProvider.prototype.makeNotch=function(){function a(g){return Blockly.utils.svgPaths.line([Blockly.utils.svgPaths.point(g*d,c),Blockly.utils.svgPaths.point(3*g,0),Blockly.utils.svgPaths.point(g*d,-c)])}var b=this.NOTCH_WIDTH,c=this.NOTCH_HEIGHT,d=(b-3)/2,e=a(1),f=a(-1);return{type:this.SHAPES.NOTCH,width:b,height:c,pathLeft:e,pathRight:f}};
-Blockly.blockRendering.ConstantProvider.prototype.makeInsideCorners=function(){var a=this.CORNER_RADIUS,b=Blockly.utils.svgPaths.arc("a","0 0,0",a,Blockly.utils.svgPaths.point(-a,a)),c=Blockly.utils.svgPaths.arc("a","0 0,0",a,Blockly.utils.svgPaths.point(a,a));return{width:a,height:a,pathTop:b,pathBottom:c}};
-Blockly.blockRendering.ConstantProvider.prototype.makeOutsideCorners=function(){var a=this.CORNER_RADIUS,b=Blockly.utils.svgPaths.moveBy(0,a)+Blockly.utils.svgPaths.arc("a","0 0,1",a,Blockly.utils.svgPaths.point(a,-a)),c=Blockly.utils.svgPaths.arc("a","0 0,1",a,Blockly.utils.svgPaths.point(a,a)),d=Blockly.utils.svgPaths.arc("a","0 0,1",a,Blockly.utils.svgPaths.point(-a,-a)),e=Blockly.utils.svgPaths.arc("a","0 0,1",a,Blockly.utils.svgPaths.point(-a,a));return{topLeft:b,topRight:c,bottomRight:e,bottomLeft:d,
-rightHeight:a}};Blockly.blockRendering.ConstantProvider.prototype.shapeFor=function(a){switch(a.type){case Blockly.INPUT_VALUE:case Blockly.OUTPUT_VALUE:return this.PUZZLE_TAB;case Blockly.PREVIOUS_STATEMENT:case Blockly.NEXT_STATEMENT:return this.NOTCH;default:throw Error("Unknown connection type");}};
-Blockly.blockRendering.ConstantProvider.prototype.createDom=function(a,b,c){this.injectCSS_(b,c);a=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.DEFS,{},a);b=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FILTER,{id:"blocklyEmbossFilter"+this.randomIdentifier},a);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FEGAUSSIANBLUR,{"in":"SourceAlpha",stdDeviation:1,result:"blur"},b);c=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FESPECULARLIGHTING,{"in":"blur",surfaceScale:1,specularConstant:.5,
-specularExponent:10,"lighting-color":"white",result:"specOut"},b);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FEPOINTLIGHT,{x:-5E3,y:-1E4,z:2E4},c);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FECOMPOSITE,{"in":"specOut",in2:"SourceAlpha",operator:"in",result:"specOut"},b);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FECOMPOSITE,{"in":"SourceGraphic",in2:"specOut",operator:"arithmetic",k1:0,k2:1,k3:1,k4:0},b);this.embossFilterId=b.id;this.embossFilter_=b;b=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATTERN,
-{id:"blocklyDisabledPattern"+this.randomIdentifier,patternUnits:"userSpaceOnUse",width:10,height:10},a);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{width:10,height:10,fill:"#aaa"},b);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{d:"M 0 0 L 10 10 M 10 0 L 0 10",stroke:"#cc0"},b);this.disabledPatternId=b.id;this.disabledPattern_=b;Blockly.blockRendering.Debug&&(a=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FILTER,{id:"blocklyDebugFilter"+this.randomIdentifier,height:"160%",
-width:"180%",y:"-30%",x:"-40%"},a),b=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FECOMPONENTTRANSFER,{result:"outBlur"},a),Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FEFUNCA,{type:"table",tableValues:"0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1"},b),Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FEFLOOD,{"flood-color":"#ff0000","flood-opacity":.5,result:"outColor"},a),Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FECOMPOSITE,{"in":"outColor",in2:"outBlur",operator:"in",result:"outGlow"},
-a),this.debugFilterId=a.id,this.debugFilter_=a)};Blockly.blockRendering.ConstantProvider.prototype.injectCSS_=function(a,b){b=this.getCSS_(b);a="blockly-renderer-style-"+a;this.cssNode_=document.getElementById(a);var c=b.join("\n");this.cssNode_?this.cssNode_.firstChild.textContent=c:(b=document.createElement("style"),b.id=a,a=document.createTextNode(c),b.appendChild(a),document.head.insertBefore(b,document.head.firstChild),this.cssNode_=b)};
-Blockly.blockRendering.ConstantProvider.prototype.getCSS_=function(a){return[a+" .blocklyText, ",a+" .blocklyFlyoutLabelText {","font: "+this.FIELD_TEXT_FONTWEIGHT+" "+this.FIELD_TEXT_FONTSIZE+"pt "+this.FIELD_TEXT_FONTFAMILY+";","}",a+" .blocklyText {","fill: #fff;","}",a+" .blocklyNonEditableText>rect,",a+" .blocklyEditableText>rect {","fill: "+this.FIELD_BORDER_RECT_COLOUR+";","fill-opacity: .6;","stroke: none;","}",a+" .blocklyNonEditableText>text,",a+" .blocklyEditableText>text {","fill: #000;",
-"}",a+" .blocklyFlyoutLabelText {","fill: #000;","}",a+" .blocklyText.blocklyBubbleText {","fill: #000;","}",a+" .blocklyEditableText:not(.editing):hover>rect {","stroke: #fff;","stroke-width: 2;","}",a+" .blocklyHtmlInput {","font-family: "+this.FIELD_TEXT_FONTFAMILY+";","font-weight: "+this.FIELD_TEXT_FONTWEIGHT+";","}",a+" .blocklySelected>.blocklyPath {","stroke: #fc3;","stroke-width: 3px;","}",a+" .blocklyHighlightedConnectionPath {","stroke: #fc3;","}",a+" .blocklyReplaceable .blocklyPath {",
-"fill-opacity: .5;","}",a+" .blocklyReplaceable .blocklyPathLight,",a+" .blocklyReplaceable .blocklyPathDark {","display: none;","}",a+" .blocklyInsertionMarker>.blocklyPath {","fill-opacity: "+this.INSERTION_MARKER_OPACITY+";","stroke: none;","}"]};Blockly.blockRendering.MarkerSvg=function(a,b,c){this.workspace_=a;this.marker_=c;this.parent_=null;this.constants_=b;this.currentMarkerSvg=null;a=this.isCursor()?this.constants_.CURSOR_COLOUR:this.constants_.MARKER_COLOUR;this.colour_=c.colour||a};Blockly.blockRendering.MarkerSvg.CURSOR_CLASS="blocklyCursor";Blockly.blockRendering.MarkerSvg.MARKER_CLASS="blocklyMarker";Blockly.blockRendering.MarkerSvg.HEIGHT_MULTIPLIER=.75;Blockly.blockRendering.MarkerSvg.prototype.getSvgRoot=function(){return this.svgGroup_};
-Blockly.blockRendering.MarkerSvg.prototype.getMarker=function(){return this.marker_};Blockly.blockRendering.MarkerSvg.prototype.isCursor=function(){return"cursor"==this.marker_.type};Blockly.blockRendering.MarkerSvg.prototype.createDom=function(){var a=this.isCursor()?Blockly.blockRendering.MarkerSvg.CURSOR_CLASS:Blockly.blockRendering.MarkerSvg.MARKER_CLASS;this.svgGroup_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{"class":a},null);this.createDomInternal_();return this.svgGroup_};
-Blockly.blockRendering.MarkerSvg.prototype.setParent_=function(a){this.isCursor()?(this.parent_&&this.parent_.setCursorSvg(null),a.setCursorSvg(this.getSvgRoot())):(this.parent_&&this.parent_.setMarkerSvg(null),a.setMarkerSvg(this.getSvgRoot()));this.parent_=a};
-Blockly.blockRendering.MarkerSvg.prototype.draw=function(a,b){if(b){this.constants_=this.workspace_.getRenderer().getConstants();var c=this.isCursor()?this.constants_.CURSOR_COLOUR:this.constants_.MARKER_COLOUR;this.colour_=this.marker_.colour||c;this.applyColour_(b);this.showAtLocation_(b);this.fireMarkerEvent_(a,b);a=this.currentMarkerSvg.childNodes[0];void 0!==a&&a.beginElement&&a.beginElement()}else this.hide()};
-Blockly.blockRendering.MarkerSvg.prototype.showAtLocation_=function(a){var b=a.getLocation();a.getType()==Blockly.ASTNode.types.BLOCK?this.showWithBlock_(a):a.getType()==Blockly.ASTNode.types.OUTPUT?this.showWithOutput_(a):b.type==Blockly.INPUT_VALUE?this.showWithInput_(a):b.type==Blockly.NEXT_STATEMENT?this.showWithNext_(a):a.getType()==Blockly.ASTNode.types.PREVIOUS?this.showWithPrevious_(a):a.getType()==Blockly.ASTNode.types.FIELD?this.showWithField_(a):a.getType()==Blockly.ASTNode.types.WORKSPACE?
-this.showWithCoordinates_(a):a.getType()==Blockly.ASTNode.types.STACK&&this.showWithStack_(a)};
-Blockly.blockRendering.MarkerSvg.prototype.showWithBlockPrevOutput_=function(a){a=a.getSourceBlock();var b=a.width,c=a.height,d=c*Blockly.blockRendering.MarkerSvg.HEIGHT_MULTIPLIER,e=this.constants_.CURSOR_BLOCK_PADDING;if(a.previousConnection){var f=this.constants_.shapeFor(a.previousConnection);this.positionPrevious_(b,e,d,f)}else a.outputConnection?(f=this.constants_.shapeFor(a.outputConnection),this.positionOutput_(b,c,f)):this.positionBlock_(b,e,d);this.setParent_(a);this.showCurrent_()};
-Blockly.blockRendering.MarkerSvg.prototype.showWithBlock_=function(a){this.showWithBlockPrevOutput_(a)};Blockly.blockRendering.MarkerSvg.prototype.showWithPrevious_=function(a){this.showWithBlockPrevOutput_(a)};Blockly.blockRendering.MarkerSvg.prototype.showWithOutput_=function(a){this.showWithBlockPrevOutput_(a)};
-Blockly.blockRendering.MarkerSvg.prototype.showWithCoordinates_=function(a){var b=a.getWsCoordinate();a=b.x;b=b.y;this.workspace_.RTL&&(a-=this.constants_.CURSOR_WS_WIDTH);this.positionLine_(a,b,this.constants_.CURSOR_WS_WIDTH);this.setParent_(this.workspace_);this.showCurrent_()};Blockly.blockRendering.MarkerSvg.prototype.showWithField_=function(a){a=a.getLocation();var b=a.getSize().width,c=a.getSize().height;this.positionRect_(0,0,b,c);this.setParent_(a);this.showCurrent_()};
-Blockly.blockRendering.MarkerSvg.prototype.showWithInput_=function(a){a=a.getLocation();var b=a.getSourceBlock();this.positionInput_(a);this.setParent_(b);this.showCurrent_()};Blockly.blockRendering.MarkerSvg.prototype.showWithNext_=function(a){var b=a.getLocation();a=b.getSourceBlock();var c=0;b=b.getOffsetInBlock().y;var d=a.getHeightWidth().width;this.workspace_.RTL&&(c=-d);this.positionLine_(c,b,d);this.setParent_(a);this.showCurrent_()};
-Blockly.blockRendering.MarkerSvg.prototype.showWithStack_=function(a){a=a.getLocation();var b=a.getHeightWidth(),c=b.width+this.constants_.CURSOR_STACK_PADDING;b=b.height+this.constants_.CURSOR_STACK_PADDING;var d=-this.constants_.CURSOR_STACK_PADDING/2,e=-this.constants_.CURSOR_STACK_PADDING/2,f=d;this.workspace_.RTL&&(f=-(c+d));this.positionRect_(f,e,c,b);this.setParent_(a);this.showCurrent_()};
-Blockly.blockRendering.MarkerSvg.prototype.showCurrent_=function(){this.hide();this.currentMarkerSvg.style.display=""};Blockly.blockRendering.MarkerSvg.prototype.positionBlock_=function(a,b,c){a=Blockly.utils.svgPaths.moveBy(-b,c)+Blockly.utils.svgPaths.lineOnAxis("V",-b)+Blockly.utils.svgPaths.lineOnAxis("H",a+2*b)+Blockly.utils.svgPaths.lineOnAxis("V",c);this.markerBlock_.setAttribute("d",a);this.workspace_.RTL&&this.flipRtl_(this.markerBlock_);this.currentMarkerSvg=this.markerBlock_};
-Blockly.blockRendering.MarkerSvg.prototype.positionInput_=function(a){var b=a.getOffsetInBlock().x,c=a.getOffsetInBlock().y;a=Blockly.utils.svgPaths.moveTo(0,0)+this.constants_.shapeFor(a).pathDown;this.markerInput_.setAttribute("d",a);this.markerInput_.setAttribute("transform","translate("+b+","+c+")"+(this.workspace_.RTL?" scale(-1 1)":""));this.currentMarkerSvg=this.markerInput_};
-Blockly.blockRendering.MarkerSvg.prototype.positionLine_=function(a,b,c){this.markerSvgLine_.setAttribute("x",a);this.markerSvgLine_.setAttribute("y",b);this.markerSvgLine_.setAttribute("width",c);this.currentMarkerSvg=this.markerSvgLine_};
-Blockly.blockRendering.MarkerSvg.prototype.positionOutput_=function(a,b,c){a=Blockly.utils.svgPaths.moveBy(a,0)+Blockly.utils.svgPaths.lineOnAxis("h",-(a-c.width))+Blockly.utils.svgPaths.lineOnAxis("v",this.constants_.TAB_OFFSET_FROM_TOP)+c.pathDown+Blockly.utils.svgPaths.lineOnAxis("V",b)+Blockly.utils.svgPaths.lineOnAxis("H",a);this.markerBlock_.setAttribute("d",a);this.workspace_.RTL&&this.flipRtl_(this.markerBlock_);this.currentMarkerSvg=this.markerBlock_};
-Blockly.blockRendering.MarkerSvg.prototype.positionPrevious_=function(a,b,c,d){a=Blockly.utils.svgPaths.moveBy(-b,c)+Blockly.utils.svgPaths.lineOnAxis("V",-b)+Blockly.utils.svgPaths.lineOnAxis("H",this.constants_.NOTCH_OFFSET_LEFT)+d.pathLeft+Blockly.utils.svgPaths.lineOnAxis("H",a+2*b)+Blockly.utils.svgPaths.lineOnAxis("V",c);this.markerBlock_.setAttribute("d",a);this.workspace_.RTL&&this.flipRtl_(this.markerBlock_);this.currentMarkerSvg=this.markerBlock_};
-Blockly.blockRendering.MarkerSvg.prototype.positionRect_=function(a,b,c,d){this.markerSvgRect_.setAttribute("x",a);this.markerSvgRect_.setAttribute("y",b);this.markerSvgRect_.setAttribute("width",c);this.markerSvgRect_.setAttribute("height",d);this.currentMarkerSvg=this.markerSvgRect_};Blockly.blockRendering.MarkerSvg.prototype.flipRtl_=function(a){a.setAttribute("transform","scale(-1 1)")};
-Blockly.blockRendering.MarkerSvg.prototype.hide=function(){this.markerSvgLine_.style.display="none";this.markerSvgRect_.style.display="none";this.markerInput_.style.display="none";this.markerBlock_.style.display="none"};Blockly.blockRendering.MarkerSvg.prototype.fireMarkerEvent_=function(a,b){var c=b.getSourceBlock(),d=this.isCursor()?"cursorMove":"markerMove";a=new Blockly.Events.Ui(c,d,a,b);b.getType()==Blockly.ASTNode.types.WORKSPACE&&(a.workspaceId=b.getLocation().id);Blockly.Events.fire(a)};
-Blockly.blockRendering.MarkerSvg.prototype.getBlinkProperties_=function(){return{attributeType:"XML",attributeName:"fill",dur:"1s",values:this.colour_+";transparent;transparent;",repeatCount:"indefinite"}};
-Blockly.blockRendering.MarkerSvg.prototype.createDomInternal_=function(){this.markerSvg_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.G,{width:this.constants_.CURSOR_WS_WIDTH,height:this.constants_.WS_CURSOR_HEIGHT},this.svgGroup_);this.markerSvgLine_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,{width:this.constants_.CURSOR_WS_WIDTH,height:this.constants_.WS_CURSOR_HEIGHT,style:"display: none"},this.markerSvg_);this.markerSvgRect_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.RECT,
-{"class":"blocklyVerticalMarker",rx:10,ry:10,style:"display: none"},this.markerSvg_);this.markerInput_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{transform:"",style:"display: none"},this.markerSvg_);this.markerBlock_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{transform:"",style:"display: none",fill:"none","stroke-width":this.constants_.CURSOR_STROKE_WIDTH},this.markerSvg_);if(this.isCursor()){var a=this.getBlinkProperties_();Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.ANIMATE,
-a,this.markerSvgLine_);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.ANIMATE,a,this.markerInput_);a.attributeName="stroke";Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.ANIMATE,a,this.markerBlock_)}return this.markerSvg_};
-Blockly.blockRendering.MarkerSvg.prototype.applyColour_=function(a){this.markerSvgLine_.setAttribute("fill",this.colour_);this.markerSvgRect_.setAttribute("stroke",this.colour_);this.markerInput_.setAttribute("fill",this.colour_);this.markerBlock_.setAttribute("stroke",this.colour_);this.isCursor()&&(a=this.colour_+";transparent;transparent;",this.markerSvgLine_.firstChild.setAttribute("values",a),this.markerInput_.firstChild.setAttribute("values",a),this.markerBlock_.firstChild.setAttribute("values",
-a))};Blockly.blockRendering.MarkerSvg.prototype.dispose=function(){this.svgGroup_&&Blockly.utils.dom.removeNode(this.svgGroup_)};Blockly.blockRendering.Types={NONE:0,FIELD:1,HAT:2,ICON:4,SPACER:8,BETWEEN_ROW_SPACER:16,IN_ROW_SPACER:32,EXTERNAL_VALUE_INPUT:64,INPUT:128,INLINE_INPUT:256,STATEMENT_INPUT:512,CONNECTION:1024,PREVIOUS_CONNECTION:2048,NEXT_CONNECTION:4096,OUTPUT_CONNECTION:8192,CORNER:16384,LEFT_SQUARE_CORNER:32768,LEFT_ROUND_CORNER:65536,RIGHT_SQUARE_CORNER:131072,RIGHT_ROUND_CORNER:262144,JAGGED_EDGE:524288,ROW:1048576,TOP_ROW:2097152,BOTTOM_ROW:4194304,INPUT_ROW:8388608};
-Blockly.blockRendering.Types.LEFT_CORNER=Blockly.blockRendering.Types.LEFT_SQUARE_CORNER|Blockly.blockRendering.Types.LEFT_ROUND_CORNER;Blockly.blockRendering.Types.RIGHT_CORNER=Blockly.blockRendering.Types.RIGHT_SQUARE_CORNER|Blockly.blockRendering.Types.RIGHT_ROUND_CORNER;Blockly.blockRendering.Types.nextTypeValue_=16777216;
-Blockly.blockRendering.Types.getType=function(a){Object.prototype.hasOwnProperty.call(Blockly.blockRendering.Types,a)||(Blockly.blockRendering.Types[a]=Blockly.blockRendering.Types.nextTypeValue_,Blockly.blockRendering.Types.nextTypeValue_<<=1);return Blockly.blockRendering.Types[a]};Blockly.blockRendering.Types.isField=function(a){return a.type&Blockly.blockRendering.Types.FIELD};Blockly.blockRendering.Types.isHat=function(a){return a.type&Blockly.blockRendering.Types.HAT};
-Blockly.blockRendering.Types.isIcon=function(a){return a.type&Blockly.blockRendering.Types.ICON};Blockly.blockRendering.Types.isSpacer=function(a){return a.type&Blockly.blockRendering.Types.SPACER};Blockly.blockRendering.Types.isInRowSpacer=function(a){return a.type&Blockly.blockRendering.Types.IN_ROW_SPACER};Blockly.blockRendering.Types.isInput=function(a){return a.type&Blockly.blockRendering.Types.INPUT};Blockly.blockRendering.Types.isExternalInput=function(a){return a.type&Blockly.blockRendering.Types.EXTERNAL_VALUE_INPUT};
-Blockly.blockRendering.Types.isInlineInput=function(a){return a.type&Blockly.blockRendering.Types.INLINE_INPUT};Blockly.blockRendering.Types.isStatementInput=function(a){return a.type&Blockly.blockRendering.Types.STATEMENT_INPUT};Blockly.blockRendering.Types.isPreviousConnection=function(a){return a.type&Blockly.blockRendering.Types.PREVIOUS_CONNECTION};Blockly.blockRendering.Types.isNextConnection=function(a){return a.type&Blockly.blockRendering.Types.NEXT_CONNECTION};
-Blockly.blockRendering.Types.isPreviousOrNextConnection=function(a){return a.type&(Blockly.blockRendering.Types.PREVIOUS_CONNECTION|Blockly.blockRendering.Types.NEXT_CONNECTION)};Blockly.blockRendering.Types.isLeftRoundedCorner=function(a){return a.type&Blockly.blockRendering.Types.LEFT_ROUND_CORNER};Blockly.blockRendering.Types.isRightRoundedCorner=function(a){return a.type&Blockly.blockRendering.Types.RIGHT_ROUND_CORNER};
-Blockly.blockRendering.Types.isLeftSquareCorner=function(a){return a.type&Blockly.blockRendering.Types.LEFT_SQUARE_CORNER};Blockly.blockRendering.Types.isRightSquareCorner=function(a){return a.type&Blockly.blockRendering.Types.RIGHT_SQUARE_CORNER};Blockly.blockRendering.Types.isCorner=function(a){return a.type&Blockly.blockRendering.Types.CORNER};Blockly.blockRendering.Types.isJaggedEdge=function(a){return a.type&Blockly.blockRendering.Types.JAGGED_EDGE};
-Blockly.blockRendering.Types.isRow=function(a){return a.type&Blockly.blockRendering.Types.ROW};Blockly.blockRendering.Types.isBetweenRowSpacer=function(a){return a.type&Blockly.blockRendering.Types.BETWEEN_ROW_SPACER};Blockly.blockRendering.Types.isTopRow=function(a){return a.type&Blockly.blockRendering.Types.TOP_ROW};Blockly.blockRendering.Types.isBottomRow=function(a){return a.type&Blockly.blockRendering.Types.BOTTOM_ROW};
-Blockly.blockRendering.Types.isTopOrBottomRow=function(a){return a.type&(Blockly.blockRendering.Types.TOP_ROW|Blockly.blockRendering.Types.BOTTOM_ROW)};Blockly.blockRendering.Types.isInputRow=function(a){return a.type&Blockly.blockRendering.Types.INPUT_ROW};Blockly.blockRendering.Measurable=function(a){this.height=this.width=0;this.type=Blockly.blockRendering.Types.NONE;this.centerline=this.xPos=0;this.constants_=a;this.notchOffset=this.constants_.NOTCH_OFFSET_LEFT};Blockly.blockRendering.Connection=function(a,b){Blockly.blockRendering.Connection.superClass_.constructor.call(this,a);this.connectionModel=b;this.shape=this.constants_.shapeFor(b);this.isDynamicShape=!!this.shape.isDynamic;this.type|=Blockly.blockRendering.Types.CONNECTION};Blockly.utils.object.inherits(Blockly.blockRendering.Connection,Blockly.blockRendering.Measurable);
-Blockly.blockRendering.OutputConnection=function(a,b){Blockly.blockRendering.OutputConnection.superClass_.constructor.call(this,a,b);this.type|=Blockly.blockRendering.Types.OUTPUT_CONNECTION;this.height=this.isDynamicShape?0:this.shape.height;this.startX=this.width=this.isDynamicShape?0:this.shape.width;this.connectionOffsetY=this.constants_.TAB_OFFSET_FROM_TOP;this.connectionOffsetX=0};Blockly.utils.object.inherits(Blockly.blockRendering.OutputConnection,Blockly.blockRendering.Connection);
-Blockly.blockRendering.PreviousConnection=function(a,b){Blockly.blockRendering.PreviousConnection.superClass_.constructor.call(this,a,b);this.type|=Blockly.blockRendering.Types.PREVIOUS_CONNECTION;this.height=this.shape.height;this.width=this.shape.width};Blockly.utils.object.inherits(Blockly.blockRendering.PreviousConnection,Blockly.blockRendering.Connection);
-Blockly.blockRendering.NextConnection=function(a,b){Blockly.blockRendering.NextConnection.superClass_.constructor.call(this,a,b);this.type|=Blockly.blockRendering.Types.NEXT_CONNECTION;this.height=this.shape.height;this.width=this.shape.width};Blockly.utils.object.inherits(Blockly.blockRendering.NextConnection,Blockly.blockRendering.Connection);Blockly.blockRendering.InputConnection=function(a,b){Blockly.blockRendering.InputConnection.superClass_.constructor.call(this,a,b.connection);this.type|=Blockly.blockRendering.Types.INPUT;this.input=b;this.align=b.align;(this.connectedBlock=b.connection&&b.connection.targetBlock()?b.connection.targetBlock():null)?(a=this.connectedBlock.getHeightWidth(),this.connectedBlockWidth=a.width,this.connectedBlockHeight=a.height):this.connectedBlockHeight=this.connectedBlockWidth=0;this.connectionOffsetY=this.connectionOffsetX=
-0};Blockly.utils.object.inherits(Blockly.blockRendering.InputConnection,Blockly.blockRendering.Connection);
-Blockly.blockRendering.InlineInput=function(a,b){Blockly.blockRendering.InlineInput.superClass_.constructor.call(this,a,b);this.type|=Blockly.blockRendering.Types.INLINE_INPUT;this.connectedBlock?(this.width=this.connectedBlockWidth,this.height=this.connectedBlockHeight):(this.height=this.constants_.EMPTY_INLINE_INPUT_HEIGHT,this.width=this.constants_.EMPTY_INLINE_INPUT_PADDING);this.connectionHeight=this.isDynamicShape?this.shape.height(this.height):this.shape.height;this.connectionWidth=this.isDynamicShape?
-this.shape.width(this.height):this.shape.width;this.connectedBlock||(this.width+=this.connectionWidth*(this.isDynamicShape?2:1));this.connectionOffsetY=this.isDynamicShape?this.shape.connectionOffsetY(this.connectionHeight):this.constants_.TAB_OFFSET_FROM_TOP;this.connectionOffsetX=this.isDynamicShape?this.shape.connectionOffsetX(this.connectionWidth):0};Blockly.utils.object.inherits(Blockly.blockRendering.InlineInput,Blockly.blockRendering.InputConnection);
-Blockly.blockRendering.StatementInput=function(a,b){Blockly.blockRendering.StatementInput.superClass_.constructor.call(this,a,b);this.type|=Blockly.blockRendering.Types.STATEMENT_INPUT;this.height=this.connectedBlock?this.connectedBlockHeight+this.constants_.STATEMENT_BOTTOM_SPACER:this.constants_.EMPTY_STATEMENT_INPUT_HEIGHT;this.width=this.constants_.STATEMENT_INPUT_NOTCH_OFFSET+this.shape.width};Blockly.utils.object.inherits(Blockly.blockRendering.StatementInput,Blockly.blockRendering.InputConnection);
-Blockly.blockRendering.ExternalValueInput=function(a,b){Blockly.blockRendering.ExternalValueInput.superClass_.constructor.call(this,a,b);this.type|=Blockly.blockRendering.Types.EXTERNAL_VALUE_INPUT;this.height=this.connectedBlock?this.connectedBlockHeight-this.constants_.TAB_OFFSET_FROM_TOP-this.constants_.MEDIUM_PADDING:this.shape.height;this.width=this.shape.width+this.constants_.EXTERNAL_VALUE_INPUT_PADDING;this.connectionOffsetY=this.constants_.TAB_OFFSET_FROM_TOP;this.connectionHeight=this.shape.height;
-this.connectionWidth=this.shape.width};Blockly.utils.object.inherits(Blockly.blockRendering.ExternalValueInput,Blockly.blockRendering.InputConnection);Blockly.blockRendering.Icon=function(a,b){Blockly.blockRendering.Icon.superClass_.constructor.call(this,a);this.icon=b;this.isVisible=b.isVisible();this.type|=Blockly.blockRendering.Types.ICON;a=b.getCorrectedSize();this.height=a.height;this.width=a.width};Blockly.utils.object.inherits(Blockly.blockRendering.Icon,Blockly.blockRendering.Measurable);
-Blockly.blockRendering.JaggedEdge=function(a){Blockly.blockRendering.JaggedEdge.superClass_.constructor.call(this,a);this.type|=Blockly.blockRendering.Types.JAGGED_EDGE;this.height=this.constants_.JAGGED_TEETH.height;this.width=this.constants_.JAGGED_TEETH.width};Blockly.utils.object.inherits(Blockly.blockRendering.JaggedEdge,Blockly.blockRendering.Measurable);
-Blockly.blockRendering.Field=function(a,b,c){Blockly.blockRendering.Field.superClass_.constructor.call(this,a);this.field=b;this.isEditable=b.EDITABLE;this.flipRtl=b.getFlipRtl();this.type|=Blockly.blockRendering.Types.FIELD;a=this.field.getSize();this.height=a.height;this.width=a.width;this.parentInput=c};Blockly.utils.object.inherits(Blockly.blockRendering.Field,Blockly.blockRendering.Measurable);
-Blockly.blockRendering.Hat=function(a){Blockly.blockRendering.Hat.superClass_.constructor.call(this,a);this.type|=Blockly.blockRendering.Types.HAT;this.height=this.constants_.START_HAT.height;this.width=this.constants_.START_HAT.width;this.ascenderHeight=this.height};Blockly.utils.object.inherits(Blockly.blockRendering.Hat,Blockly.blockRendering.Measurable);
-Blockly.blockRendering.SquareCorner=function(a,b){Blockly.blockRendering.SquareCorner.superClass_.constructor.call(this,a);this.type=(b&&"left"!=b?Blockly.blockRendering.Types.RIGHT_SQUARE_CORNER:Blockly.blockRendering.Types.LEFT_SQUARE_CORNER)|Blockly.blockRendering.Types.CORNER;this.width=this.height=this.constants_.NO_PADDING};Blockly.utils.object.inherits(Blockly.blockRendering.SquareCorner,Blockly.blockRendering.Measurable);
-Blockly.blockRendering.RoundCorner=function(a,b){Blockly.blockRendering.RoundCorner.superClass_.constructor.call(this,a);this.type=(b&&"left"!=b?Blockly.blockRendering.Types.RIGHT_ROUND_CORNER:Blockly.blockRendering.Types.LEFT_ROUND_CORNER)|Blockly.blockRendering.Types.CORNER;this.width=this.constants_.CORNER_RADIUS;this.height=this.constants_.CORNER_RADIUS/2};Blockly.utils.object.inherits(Blockly.blockRendering.RoundCorner,Blockly.blockRendering.Measurable);
-Blockly.blockRendering.InRowSpacer=function(a,b){Blockly.blockRendering.InRowSpacer.superClass_.constructor.call(this,a);this.type=this.type|Blockly.blockRendering.Types.SPACER|Blockly.blockRendering.Types.IN_ROW_SPACER;this.width=b;this.height=this.constants_.SPACER_DEFAULT_HEIGHT};Blockly.utils.object.inherits(Blockly.blockRendering.InRowSpacer,Blockly.blockRendering.Measurable);Blockly.blockRendering.Row=function(a){this.type=Blockly.blockRendering.Types.ROW;this.elements=[];this.xPos=this.yPos=this.widthWithConnectedBlocks=this.minWidth=this.minHeight=this.width=this.height=0;this.hasJaggedEdge=this.hasDummyInput=this.hasInlineInput=this.hasStatement=this.hasExternalInput=!1;this.constants_=a;this.notchOffset=this.constants_.NOTCH_OFFSET_LEFT;this.align=null};
-Blockly.blockRendering.Row.prototype.measure=function(){throw Error("Unexpected attempt to measure a base Row.");};Blockly.blockRendering.Row.prototype.getLastInput=function(){for(var a=this.elements.length-1,b;b=this.elements[a];a--)if(Blockly.blockRendering.Types.isInput(b))return b;return null};Blockly.blockRendering.Row.prototype.startsWithElemSpacer=function(){return!0};Blockly.blockRendering.Row.prototype.endsWithElemSpacer=function(){return!0};
-Blockly.blockRendering.Row.prototype.getFirstSpacer=function(){for(var a=0,b;b=this.elements[a];a++)if(Blockly.blockRendering.Types.isSpacer(b))return b;return null};Blockly.blockRendering.Row.prototype.getLastSpacer=function(){for(var a=this.elements.length-1,b;b=this.elements[a];a--)if(Blockly.blockRendering.Types.isSpacer(b))return b;return null};
-Blockly.blockRendering.TopRow=function(a){Blockly.blockRendering.TopRow.superClass_.constructor.call(this,a);this.type|=Blockly.blockRendering.Types.TOP_ROW;this.ascenderHeight=this.capline=0;this.hasPreviousConnection=!1;this.connection=null};Blockly.utils.object.inherits(Blockly.blockRendering.TopRow,Blockly.blockRendering.Row);
-Blockly.blockRendering.TopRow.prototype.hasLeftSquareCorner=function(a){var b=(a.hat?"cap"===a.hat:this.constants_.ADD_START_HATS)&&!a.outputConnection&&!a.previousConnection,c=a.getPreviousBlock();return!!a.outputConnection||b||(c?c.getNextBlock()==a:!1)};Blockly.blockRendering.TopRow.prototype.hasRightSquareCorner=function(a){return!0};
-Blockly.blockRendering.TopRow.prototype.measure=function(){for(var a=0,b=0,c=0,d=0,e;e=this.elements[d];d++)b+=e.width,Blockly.blockRendering.Types.isSpacer(e)||(Blockly.blockRendering.Types.isHat(e)?c=Math.max(c,e.ascenderHeight):a=Math.max(a,e.height));this.width=Math.max(this.minWidth,b);this.height=Math.max(this.minHeight,a)+c;this.capline=this.ascenderHeight=c;this.widthWithConnectedBlocks=this.width};Blockly.blockRendering.TopRow.prototype.startsWithElemSpacer=function(){return!1};
-Blockly.blockRendering.TopRow.prototype.endsWithElemSpacer=function(){return!1};Blockly.blockRendering.BottomRow=function(a){Blockly.blockRendering.BottomRow.superClass_.constructor.call(this,a);this.type|=Blockly.blockRendering.Types.BOTTOM_ROW;this.hasNextConnection=!1;this.connection=null;this.baseline=this.descenderHeight=0};Blockly.utils.object.inherits(Blockly.blockRendering.BottomRow,Blockly.blockRendering.Row);
-Blockly.blockRendering.BottomRow.prototype.hasLeftSquareCorner=function(a){return!!a.outputConnection||!!a.getNextBlock()};Blockly.blockRendering.BottomRow.prototype.hasRightSquareCorner=function(a){return!0};
-Blockly.blockRendering.BottomRow.prototype.measure=function(){for(var a=0,b=0,c=0,d=0,e;e=this.elements[d];d++)b+=e.width,Blockly.blockRendering.Types.isSpacer(e)||(Blockly.blockRendering.Types.isNextConnection(e)?c=Math.max(c,e.height):a=Math.max(a,e.height));this.width=Math.max(this.minWidth,b);this.height=Math.max(this.minHeight,a)+c;this.descenderHeight=c;this.widthWithConnectedBlocks=this.width};Blockly.blockRendering.BottomRow.prototype.startsWithElemSpacer=function(){return!1};
-Blockly.blockRendering.BottomRow.prototype.endsWithElemSpacer=function(){return!1};Blockly.blockRendering.SpacerRow=function(a,b,c){Blockly.blockRendering.SpacerRow.superClass_.constructor.call(this,a);this.type=this.type|Blockly.blockRendering.Types.SPACER|Blockly.blockRendering.Types.BETWEEN_ROW_SPACER;this.width=c;this.height=b;this.followsStatement=!1;this.widthWithConnectedBlocks=0;this.elements=[new Blockly.blockRendering.InRowSpacer(this.constants_,c)]};
-Blockly.utils.object.inherits(Blockly.blockRendering.SpacerRow,Blockly.blockRendering.Row);Blockly.blockRendering.SpacerRow.prototype.measure=function(){};Blockly.blockRendering.InputRow=function(a){Blockly.blockRendering.InputRow.superClass_.constructor.call(this,a);this.type|=Blockly.blockRendering.Types.INPUT_ROW;this.connectedBlockWidths=0};Blockly.utils.object.inherits(Blockly.blockRendering.InputRow,Blockly.blockRendering.Row);
-Blockly.blockRendering.InputRow.prototype.measure=function(){this.width=this.minWidth;this.height=this.minHeight;for(var a=0,b=0,c;c=this.elements[b];b++)this.width+=c.width,Blockly.blockRendering.Types.isInput(c)&&(Blockly.blockRendering.Types.isStatementInput(c)?a+=c.connectedBlockWidth:Blockly.blockRendering.Types.isExternalInput(c)&&0!=c.connectedBlockWidth&&(a+=c.connectedBlockWidth-c.connectionWidth)),Blockly.blockRendering.Types.isSpacer(c)||(this.height=Math.max(this.height,c.height));this.connectedBlockWidths=
-a;this.widthWithConnectedBlocks=this.width+a};Blockly.blockRendering.InputRow.prototype.endsWithElemSpacer=function(){return!this.hasExternalInput&&!this.hasStatement};Blockly.blockRendering.RenderInfo=function(a,b){this.block_=b;this.renderer_=a;this.constants_=this.renderer_.getConstants();this.outputConnection=b.outputConnection?new Blockly.blockRendering.OutputConnection(this.constants_,b.outputConnection):null;this.isInline=b.getInputsInline()&&!b.isCollapsed();this.isCollapsed=b.isCollapsed();this.isInsertionMarker=b.isInsertionMarker();this.RTL=b.RTL;this.statementEdge=this.width=this.widthWithChildren=this.height=0;this.rows=[];this.inputRows=[];this.hiddenIcons=
-[];this.topRow=new Blockly.blockRendering.TopRow(this.constants_);this.bottomRow=new Blockly.blockRendering.BottomRow(this.constants_);this.startY=this.startX=0};Blockly.blockRendering.RenderInfo.prototype.getRenderer=function(){return this.renderer_};Blockly.blockRendering.RenderInfo.prototype.measure=function(){this.createRows_();this.addElemSpacing_();this.addRowSpacing_();this.computeBounds_();this.alignRowElements_();this.finalize_()};
-Blockly.blockRendering.RenderInfo.prototype.createRows_=function(){this.populateTopRow_();this.rows.push(this.topRow);var a=new Blockly.blockRendering.InputRow(this.constants_);this.inputRows.push(a);var b=this.block_.getIcons();if(b.length)for(var c=0,d;d=b[c];c++){var e=new Blockly.blockRendering.Icon(this.constants_,d);this.isCollapsed&&d.collapseHidden?this.hiddenIcons.push(e):a.elements.push(e)}d=null;for(c=0;b=this.block_.inputList[c];c++)if(b.isVisible()){this.shouldStartNewRow_(b,d)&&(this.rows.push(a),
-a=new Blockly.blockRendering.InputRow(this.constants_),this.inputRows.push(a));for(d=0;e=b.fieldRow[d];d++)a.elements.push(new Blockly.blockRendering.Field(this.constants_,e,b));this.addInput_(b,a);d=b}this.isCollapsed&&(a.hasJaggedEdge=!0,a.elements.push(new Blockly.blockRendering.JaggedEdge(this.constants_)));(a.elements.length||a.hasDummyInput)&&this.rows.push(a);this.populateBottomRow_();this.rows.push(this.bottomRow)};
-Blockly.blockRendering.RenderInfo.prototype.populateTopRow_=function(){var a=!!this.block_.previousConnection,b=(this.block_.hat?"cap"===this.block_.hat:this.constants_.ADD_START_HATS)&&!this.outputConnection&&!a;this.topRow.hasLeftSquareCorner(this.block_)?this.topRow.elements.push(new Blockly.blockRendering.SquareCorner(this.constants_)):this.topRow.elements.push(new Blockly.blockRendering.RoundCorner(this.constants_));b?(a=new Blockly.blockRendering.Hat(this.constants_),this.topRow.elements.push(a),
-this.topRow.capline=a.ascenderHeight):a&&(this.topRow.hasPreviousConnection=!0,this.topRow.connection=new Blockly.blockRendering.PreviousConnection(this.constants_,this.block_.previousConnection),this.topRow.elements.push(this.topRow.connection));this.block_.inputList.length&&this.block_.inputList[0].type==Blockly.NEXT_STATEMENT&&!this.block_.isCollapsed()?this.topRow.minHeight=this.constants_.TOP_ROW_PRECEDES_STATEMENT_MIN_HEIGHT:this.topRow.minHeight=this.constants_.TOP_ROW_MIN_HEIGHT;this.topRow.hasRightSquareCorner(this.block_)?
-this.topRow.elements.push(new Blockly.blockRendering.SquareCorner(this.constants_,"right")):this.topRow.elements.push(new Blockly.blockRendering.RoundCorner(this.constants_,"right"))};
-Blockly.blockRendering.RenderInfo.prototype.populateBottomRow_=function(){this.bottomRow.hasNextConnection=!!this.block_.nextConnection;this.bottomRow.minHeight=this.block_.inputList.length&&this.block_.inputList[this.block_.inputList.length-1].type==Blockly.NEXT_STATEMENT?this.constants_.BOTTOM_ROW_AFTER_STATEMENT_MIN_HEIGHT:this.constants_.BOTTOM_ROW_MIN_HEIGHT;this.bottomRow.hasLeftSquareCorner(this.block_)?this.bottomRow.elements.push(new Blockly.blockRendering.SquareCorner(this.constants_)):
-this.bottomRow.elements.push(new Blockly.blockRendering.RoundCorner(this.constants_));this.bottomRow.hasNextConnection&&(this.bottomRow.connection=new Blockly.blockRendering.NextConnection(this.constants_,this.block_.nextConnection),this.bottomRow.elements.push(this.bottomRow.connection));this.bottomRow.hasRightSquareCorner(this.block_)?this.bottomRow.elements.push(new Blockly.blockRendering.SquareCorner(this.constants_,"right")):this.bottomRow.elements.push(new Blockly.blockRendering.RoundCorner(this.constants_,
-"right"))};
-Blockly.blockRendering.RenderInfo.prototype.addInput_=function(a,b){this.isInline&&a.type==Blockly.INPUT_VALUE?(b.elements.push(new Blockly.blockRendering.InlineInput(this.constants_,a)),b.hasInlineInput=!0):a.type==Blockly.NEXT_STATEMENT?(b.elements.push(new Blockly.blockRendering.StatementInput(this.constants_,a)),b.hasStatement=!0):a.type==Blockly.INPUT_VALUE?(b.elements.push(new Blockly.blockRendering.ExternalValueInput(this.constants_,a)),b.hasExternalInput=!0):a.type==Blockly.DUMMY_INPUT&&(b.minHeight=
-Math.max(b.minHeight,a.getSourceBlock()&&a.getSourceBlock().isShadow()?this.constants_.DUMMY_INPUT_SHADOW_MIN_HEIGHT:this.constants_.DUMMY_INPUT_MIN_HEIGHT),b.hasDummyInput=!0);null==b.align&&(b.align=a.align)};Blockly.blockRendering.RenderInfo.prototype.shouldStartNewRow_=function(a,b){return b?a.type==Blockly.NEXT_STATEMENT||b.type==Blockly.NEXT_STATEMENT?!0:a.type==Blockly.INPUT_VALUE||a.type==Blockly.DUMMY_INPUT?!this.isInline:!1:!1};
-Blockly.blockRendering.RenderInfo.prototype.addElemSpacing_=function(){for(var a=0,b;b=this.rows[a];a++){var c=b.elements;b.elements=[];b.startsWithElemSpacer()&&b.elements.push(new Blockly.blockRendering.InRowSpacer(this.constants_,this.getInRowSpacing_(null,c[0])));if(c.length){for(var d=0;d<c.length-1;d++){b.elements.push(c[d]);var e=this.getInRowSpacing_(c[d],c[d+1]);b.elements.push(new Blockly.blockRendering.InRowSpacer(this.constants_,e))}b.elements.push(c[c.length-1]);b.endsWithElemSpacer()&&
-b.elements.push(new Blockly.blockRendering.InRowSpacer(this.constants_,this.getInRowSpacing_(c[c.length-1],null)))}}};
-Blockly.blockRendering.RenderInfo.prototype.getInRowSpacing_=function(a,b){if(!a&&b&&Blockly.blockRendering.Types.isStatementInput(b))return this.constants_.STATEMENT_INPUT_PADDING_LEFT;if(a&&Blockly.blockRendering.Types.isInput(a)&&!b){if(Blockly.blockRendering.Types.isExternalInput(a))return this.constants_.NO_PADDING;if(Blockly.blockRendering.Types.isInlineInput(a))return this.constants_.LARGE_PADDING;if(Blockly.blockRendering.Types.isStatementInput(a))return this.constants_.NO_PADDING}return a&&
-Blockly.blockRendering.Types.isLeftSquareCorner(a)&&b&&(Blockly.blockRendering.Types.isPreviousConnection(b)||Blockly.blockRendering.Types.isNextConnection(b))?b.notchOffset:a&&Blockly.blockRendering.Types.isLeftRoundedCorner(a)&&b&&(Blockly.blockRendering.Types.isPreviousConnection(b)||Blockly.blockRendering.Types.isNextConnection(b))?b.notchOffset-this.constants_.CORNER_RADIUS:this.constants_.MEDIUM_PADDING};
-Blockly.blockRendering.RenderInfo.prototype.computeBounds_=function(){for(var a=0,b=0,c=0,d=0,e;e=this.rows[d];d++){e.measure();b=Math.max(b,e.width);if(e.hasStatement){var f=e.getLastInput();a=Math.max(a,e.width-f.width)}c=Math.max(c,e.widthWithConnectedBlocks)}this.statementEdge=a;this.width=b;for(d=0;e=this.rows[d];d++)e.hasStatement&&(e.statementEdge=this.statementEdge);this.widthWithChildren=Math.max(b,c);this.outputConnection&&(this.startX=this.outputConnection.width,this.width+=this.outputConnection.width,
-this.widthWithChildren+=this.outputConnection.width)};Blockly.blockRendering.RenderInfo.prototype.alignRowElements_=function(){for(var a=0,b;b=this.rows[a];a++)if(b.hasStatement)this.alignStatementRow_(b);else{var c=b.width;c=this.getDesiredRowWidth_(b)-c;0<c&&this.addAlignmentPadding_(b,c);Blockly.blockRendering.Types.isTopOrBottomRow(b)&&(b.widthWithConnectedBlocks=b.width)}};Blockly.blockRendering.RenderInfo.prototype.getDesiredRowWidth_=function(a){return this.width-this.startX};
-Blockly.blockRendering.RenderInfo.prototype.addAlignmentPadding_=function(a,b){var c=a.getFirstSpacer(),d=a.getLastSpacer();if(a.hasExternalInput||a.hasStatement)a.widthWithConnectedBlocks+=b;a.align==Blockly.ALIGN_LEFT?d.width+=b:a.align==Blockly.ALIGN_CENTRE?(c.width+=b/2,d.width+=b/2):a.align==Blockly.ALIGN_RIGHT?c.width+=b:d.width+=b;a.width+=b};
-Blockly.blockRendering.RenderInfo.prototype.alignStatementRow_=function(a){var b=a.getLastInput(),c=a.width-b.width,d=this.statementEdge;c=d-c;0<c&&this.addAlignmentPadding_(a,c);c=a.width;d=this.getDesiredRowWidth_(a);b.width+=d-c;b.height=Math.max(b.height,a.height);a.width+=d-c;a.widthWithConnectedBlocks=Math.max(a.width,this.statementEdge+a.connectedBlockWidths)};
-Blockly.blockRendering.RenderInfo.prototype.addRowSpacing_=function(){var a=this.rows;this.rows=[];for(var b=0;b<a.length;b++)this.rows.push(a[b]),b!=a.length-1&&this.rows.push(this.makeSpacerRow_(a[b],a[b+1]))};Blockly.blockRendering.RenderInfo.prototype.makeSpacerRow_=function(a,b){var c=this.getSpacerRowHeight_(a,b),d=this.getSpacerRowWidth_(a,b);c=new Blockly.blockRendering.SpacerRow(this.constants_,c,d);a.hasStatement&&(c.followsStatement=!0);b.hasStatement&&(c.precedesStatement=!0);return c};
-Blockly.blockRendering.RenderInfo.prototype.getSpacerRowWidth_=function(a,b){return this.width-this.startX};Blockly.blockRendering.RenderInfo.prototype.getSpacerRowHeight_=function(a,b){return this.constants_.MEDIUM_PADDING};
-Blockly.blockRendering.RenderInfo.prototype.getElemCenterline_=function(a,b){return Blockly.blockRendering.Types.isSpacer(b)?a.yPos+b.height/2:Blockly.blockRendering.Types.isBottomRow(a)?(a=a.yPos+a.height-a.descenderHeight,Blockly.blockRendering.Types.isNextConnection(b)?a+b.height/2:a-b.height/2):Blockly.blockRendering.Types.isTopRow(a)?Blockly.blockRendering.Types.isHat(b)?a.capline-b.height/2:a.capline+b.height/2:a.yPos+a.height/2};
-Blockly.blockRendering.RenderInfo.prototype.recordElemPositions_=function(a){for(var b=a.xPos,c=0,d;d=a.elements[c];c++)Blockly.blockRendering.Types.isSpacer(d)&&(d.height=a.height),d.xPos=b,d.centerline=this.getElemCenterline_(a,d),b+=d.width};
-Blockly.blockRendering.RenderInfo.prototype.finalize_=function(){for(var a=0,b=0,c=0,d;d=this.rows[c];c++)d.yPos=b,d.xPos=this.startX,b+=d.height,a=Math.max(a,d.widthWithConnectedBlocks),this.recordElemPositions_(d);this.outputConnection&&this.block_.nextConnection&&this.block_.nextConnection.isConnected()&&(a=Math.max(a,this.block_.nextConnection.targetBlock().getHeightWidth().width));this.widthWithChildren=a+this.startX;this.height=b;this.startY=this.topRow.capline;this.bottomRow.baseline=b-this.bottomRow.descenderHeight};Blockly.blockRendering.Drawer=function(a,b){this.block_=a;this.info_=b;this.topLeft_=a.getRelativeToSurfaceXY();this.inlinePath_=this.outlinePath_="";this.constants_=b.getRenderer().getConstants()};
-Blockly.blockRendering.Drawer.prototype.draw=function(){this.hideHiddenIcons_();this.drawOutline_();this.drawInternals_();this.block_.pathObject.setPath(this.outlinePath_+"\n"+this.inlinePath_);this.info_.RTL&&this.block_.pathObject.flipRTL();Blockly.blockRendering.useDebugger&&this.block_.renderingDebugger.drawDebug(this.block_,this.info_);this.recordSizeOnBlock_()};Blockly.blockRendering.Drawer.prototype.recordSizeOnBlock_=function(){this.block_.height=this.info_.height;this.block_.width=this.info_.widthWithChildren};
-Blockly.blockRendering.Drawer.prototype.hideHiddenIcons_=function(){for(var a=0,b;b=this.info_.hiddenIcons[a];a++)b.icon.iconGroup_.setAttribute("display","none")};Blockly.blockRendering.Drawer.prototype.drawOutline_=function(){this.drawTop_();for(var a=1;a<this.info_.rows.length-1;a++){var b=this.info_.rows[a];b.hasJaggedEdge?this.drawJaggedEdge_(b):b.hasStatement?this.drawStatementInput_(b):b.hasExternalInput?this.drawValueInput_(b):this.drawRightSideRow_(b)}this.drawBottom_();this.drawLeft_()};
-Blockly.blockRendering.Drawer.prototype.drawTop_=function(){var a=this.info_.topRow,b=a.elements;this.positionPreviousConnection_();this.outlinePath_+=Blockly.utils.svgPaths.moveBy(a.xPos,this.info_.startY);for(var c=0,d;d=b[c];c++)Blockly.blockRendering.Types.isLeftRoundedCorner(d)?this.outlinePath_+=this.constants_.OUTSIDE_CORNERS.topLeft:Blockly.blockRendering.Types.isRightRoundedCorner(d)?this.outlinePath_+=this.constants_.OUTSIDE_CORNERS.topRight:Blockly.blockRendering.Types.isPreviousConnection(d)?
-this.outlinePath_+=d.shape.pathLeft:Blockly.blockRendering.Types.isHat(d)?this.outlinePath_+=this.constants_.START_HAT.path:Blockly.blockRendering.Types.isSpacer(d)&&(this.outlinePath_+=Blockly.utils.svgPaths.lineOnAxis("h",d.width));this.outlinePath_+=Blockly.utils.svgPaths.lineOnAxis("v",a.height)};Blockly.blockRendering.Drawer.prototype.drawJaggedEdge_=function(a){this.outlinePath_+=this.constants_.JAGGED_TEETH.path+Blockly.utils.svgPaths.lineOnAxis("v",a.height-this.constants_.JAGGED_TEETH.height)};
-Blockly.blockRendering.Drawer.prototype.drawValueInput_=function(a){var b=a.getLastInput();this.positionExternalValueConnection_(a);var c="function"==typeof b.shape.pathDown?b.shape.pathDown(b.height):b.shape.pathDown;this.outlinePath_+=Blockly.utils.svgPaths.lineOnAxis("H",b.xPos+b.width)+c+Blockly.utils.svgPaths.lineOnAxis("v",a.height-b.connectionHeight)};
-Blockly.blockRendering.Drawer.prototype.drawStatementInput_=function(a){var b=a.getLastInput(),c=b.xPos+b.notchOffset+b.shape.width;b=b.shape.pathRight+Blockly.utils.svgPaths.lineOnAxis("h",-(b.notchOffset-this.constants_.INSIDE_CORNERS.width))+this.constants_.INSIDE_CORNERS.pathTop;var d=a.height-2*this.constants_.INSIDE_CORNERS.height;this.outlinePath_+=Blockly.utils.svgPaths.lineOnAxis("H",c)+b+Blockly.utils.svgPaths.lineOnAxis("v",d)+this.constants_.INSIDE_CORNERS.pathBottom+Blockly.utils.svgPaths.lineOnAxis("H",
-a.xPos+a.width);this.positionStatementInputConnection_(a)};Blockly.blockRendering.Drawer.prototype.drawRightSideRow_=function(a){this.outlinePath_+=Blockly.utils.svgPaths.lineOnAxis("V",a.yPos+a.height)};
-Blockly.blockRendering.Drawer.prototype.drawBottom_=function(){var a=this.info_.bottomRow,b=a.elements;this.positionNextConnection_();for(var c=0,d="",e=b.length-1,f;f=b[e];e--)Blockly.blockRendering.Types.isNextConnection(f)?d+=f.shape.pathRight:Blockly.blockRendering.Types.isLeftSquareCorner(f)?d+=Blockly.utils.svgPaths.lineOnAxis("H",a.xPos):Blockly.blockRendering.Types.isLeftRoundedCorner(f)?d+=this.constants_.OUTSIDE_CORNERS.bottomLeft:Blockly.blockRendering.Types.isRightRoundedCorner(f)?(d+=
-this.constants_.OUTSIDE_CORNERS.bottomRight,c=this.constants_.OUTSIDE_CORNERS.rightHeight):Blockly.blockRendering.Types.isSpacer(f)&&(d+=Blockly.utils.svgPaths.lineOnAxis("h",-1*f.width));this.outlinePath_+=Blockly.utils.svgPaths.lineOnAxis("V",a.baseline-c);this.outlinePath_+=d};
-Blockly.blockRendering.Drawer.prototype.drawLeft_=function(){var a=this.info_.outputConnection;this.positionOutputConnection_();if(a){var b=a.connectionOffsetY+a.height;a="function"==typeof a.shape.pathUp?a.shape.pathUp(a.height):a.shape.pathUp;this.outlinePath_+=Blockly.utils.svgPaths.lineOnAxis("V",b)+a}this.outlinePath_+="z"};
-Blockly.blockRendering.Drawer.prototype.drawInternals_=function(){for(var a=0,b;b=this.info_.rows[a];a++)for(var c=0,d;d=b.elements[c];c++)Blockly.blockRendering.Types.isInlineInput(d)?this.drawInlineInput_(d):(Blockly.blockRendering.Types.isIcon(d)||Blockly.blockRendering.Types.isField(d))&&this.layoutField_(d)};
-Blockly.blockRendering.Drawer.prototype.layoutField_=function(a){if(Blockly.blockRendering.Types.isField(a))var b=a.field.getSvgRoot();else Blockly.blockRendering.Types.isIcon(a)&&(b=a.icon.iconGroup_);var c=a.centerline-a.height/2,d=a.xPos,e="";this.info_.RTL&&(d=-(d+a.width),a.flipRtl&&(d+=a.width,e="scale(-1 1)"));Blockly.blockRendering.Types.isIcon(a)?(b.setAttribute("display","block"),b.setAttribute("transform","translate("+d+","+c+")"),a.icon.computeIconLocation()):b.setAttribute("transform",
-"translate("+d+","+c+")"+e);this.info_.isInsertionMarker&&b.setAttribute("display","none")};
-Blockly.blockRendering.Drawer.prototype.drawInlineInput_=function(a){var b=a.width,c=a.height,d=a.connectionOffsetY,e=a.connectionHeight+d;this.inlinePath_+=Blockly.utils.svgPaths.moveTo(a.xPos+a.connectionWidth,a.centerline-c/2)+Blockly.utils.svgPaths.lineOnAxis("v",d)+a.shape.pathDown+Blockly.utils.svgPaths.lineOnAxis("v",c-e)+Blockly.utils.svgPaths.lineOnAxis("h",b-a.connectionWidth)+Blockly.utils.svgPaths.lineOnAxis("v",-c)+"z";this.positionInlineInputConnection_(a)};
-Blockly.blockRendering.Drawer.prototype.positionInlineInputConnection_=function(a){var b=a.centerline-a.height/2;if(a.connectionModel){var c=a.xPos+a.connectionWidth+a.connectionOffsetX;this.info_.RTL&&(c*=-1);a.connectionModel.setOffsetInBlock(c,b+a.connectionOffsetY)}};
-Blockly.blockRendering.Drawer.prototype.positionStatementInputConnection_=function(a){var b=a.getLastInput();if(b.connectionModel){var c=a.xPos+a.statementEdge+b.notchOffset;this.info_.RTL&&(c*=-1);b.connectionModel.setOffsetInBlock(c,a.yPos)}};Blockly.blockRendering.Drawer.prototype.positionExternalValueConnection_=function(a){var b=a.getLastInput();if(b.connectionModel){var c=a.xPos+a.width;this.info_.RTL&&(c*=-1);b.connectionModel.setOffsetInBlock(c,a.yPos)}};
-Blockly.blockRendering.Drawer.prototype.positionPreviousConnection_=function(){var a=this.info_.topRow;if(a.connection){var b=a.xPos+a.notchOffset;a.connection.connectionModel.setOffsetInBlock(this.info_.RTL?-b:b,0)}};Blockly.blockRendering.Drawer.prototype.positionNextConnection_=function(){var a=this.info_.bottomRow;if(a.connection){var b=a.connection,c=b.xPos;b.connectionModel.setOffsetInBlock(this.info_.RTL?-c:c,a.baseline)}};
-Blockly.blockRendering.Drawer.prototype.positionOutputConnection_=function(){if(this.info_.outputConnection){var a=this.info_.startX+this.info_.outputConnection.connectionOffsetX;this.block_.outputConnection.setOffsetInBlock(this.info_.RTL?-a:a,this.info_.outputConnection.connectionOffsetY)}};Blockly.blockRendering.PathObject=function(a,b,c){this.constants=c;this.svgRoot=a;this.svgPath=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{"class":"blocklyPath"},this.svgRoot);this.style=b;this.markerSvg=this.cursorSvg=null};Blockly.blockRendering.PathObject.prototype.setPath=function(a){this.svgPath.setAttribute("d",a)};Blockly.blockRendering.PathObject.prototype.flipRTL=function(){this.svgPath.setAttribute("transform","scale(-1 1)")};
-Blockly.blockRendering.PathObject.prototype.setCursorSvg=function(a){a?(this.svgRoot.appendChild(a),this.cursorSvg=a):this.cursorSvg=null};Blockly.blockRendering.PathObject.prototype.setMarkerSvg=function(a){a?(this.cursorSvg?this.svgRoot.insertBefore(a,this.cursorSvg):this.svgRoot.appendChild(a),this.markerSvg=a):this.markerSvg=null};
-Blockly.blockRendering.PathObject.prototype.applyColour=function(a){this.svgPath.setAttribute("stroke",this.style.colourTertiary);this.svgPath.setAttribute("fill",this.style.colourPrimary);this.updateShadow_(a.isShadow());this.updateDisabled_(!a.isEnabled()||a.getInheritedDisabled())};Blockly.blockRendering.PathObject.prototype.setStyle=function(a){this.style=a};
-Blockly.blockRendering.PathObject.prototype.setClass_=function(a,b){b?Blockly.utils.dom.addClass(this.svgRoot,a):Blockly.utils.dom.removeClass(this.svgRoot,a)};Blockly.blockRendering.PathObject.prototype.updateHighlighted=function(a){a?this.svgPath.setAttribute("filter","url(#"+this.constants.embossFilterId+")"):this.svgPath.setAttribute("filter","none")};
-Blockly.blockRendering.PathObject.prototype.updateShadow_=function(a){a&&(this.svgPath.setAttribute("stroke","none"),this.svgPath.setAttribute("fill",this.style.colourSecondary))};Blockly.blockRendering.PathObject.prototype.updateDisabled_=function(a){this.setClass_("blocklyDisabled",a);a&&this.svgPath.setAttribute("fill","url(#"+this.constants.disabledPatternId+")")};Blockly.blockRendering.PathObject.prototype.updateSelected=function(a){this.setClass_("blocklySelected",a)};
-Blockly.blockRendering.PathObject.prototype.updateDraggingDelete=function(a){this.setClass_("blocklyDraggingDelete",a)};Blockly.blockRendering.PathObject.prototype.updateInsertionMarker=function(a){this.setClass_("blocklyInsertionMarker",a)};Blockly.blockRendering.PathObject.prototype.updateMovable=function(a){this.setClass_("blocklyDraggable",a)};Blockly.blockRendering.PathObject.prototype.updateReplacementFade=function(a){this.setClass_("blocklyReplaceable",a)};
-Blockly.blockRendering.PathObject.prototype.updateShapeForInputHighlight=function(a,b){};Blockly.blockRendering.Renderer=function(a){this.name=a;this.overrides=this.constants_=null};Blockly.blockRendering.Renderer.prototype.getClassName=function(){return this.name+"-renderer"};Blockly.blockRendering.Renderer.prototype.init=function(a,b){this.constants_=this.makeConstants_();b&&(this.overrides=b,Blockly.utils.object.mixin(this.constants_,b));this.constants_.setTheme(a);this.constants_.init()};
-Blockly.blockRendering.Renderer.prototype.createDom=function(a,b){this.constants_.createDom(a,this.name+"-"+b.name,"."+this.getClassName()+"."+b.getClassName())};Blockly.blockRendering.Renderer.prototype.refreshDom=function(a,b){var c=this.getConstants();c.dispose();this.constants_=this.makeConstants_();this.overrides&&Blockly.utils.object.mixin(this.constants_,this.overrides);this.constants_.randomIdentifier=c.randomIdentifier;this.constants_.setTheme(b);this.constants_.init();this.createDom(a,b)};
-Blockly.blockRendering.Renderer.prototype.dispose=function(){this.constants_&&this.constants_.dispose()};Blockly.blockRendering.Renderer.prototype.makeConstants_=function(){return new Blockly.blockRendering.ConstantProvider};Blockly.blockRendering.Renderer.prototype.makeRenderInfo_=function(a){return new Blockly.blockRendering.RenderInfo(this,a)};Blockly.blockRendering.Renderer.prototype.makeDrawer_=function(a,b){return new Blockly.blockRendering.Drawer(a,b)};
-Blockly.blockRendering.Renderer.prototype.makeDebugger_=function(){if(!Blockly.blockRendering.Debug)throw Error("Missing require for Blockly.blockRendering.Debug");return new Blockly.blockRendering.Debug(this.getConstants())};Blockly.blockRendering.Renderer.prototype.makeMarkerDrawer=function(a,b){return new Blockly.blockRendering.MarkerSvg(a,this.getConstants(),b)};Blockly.blockRendering.Renderer.prototype.makePathObject=function(a,b){return new Blockly.blockRendering.PathObject(a,b,this.constants_)};
-Blockly.blockRendering.Renderer.prototype.getConstants=function(){return this.constants_};Blockly.blockRendering.Renderer.prototype.shouldHighlightConnection=function(a){return!0};Blockly.blockRendering.Renderer.prototype.orphanCanConnectAtEnd=function(a,b,c){c==Blockly.OUTPUT_VALUE?(c=b.outputConnection,a=Blockly.Connection.lastConnectionInRow(a,b)):(c=b.previousConnection,a=a.lastConnectionInStack());return a?c.getConnectionChecker().canConnect(a,c,!1):!1};
-Blockly.blockRendering.Renderer.prototype.getConnectionPreviewMethod=function(a,b,c){return b.type==Blockly.OUTPUT_VALUE||b.type==Blockly.PREVIOUS_STATEMENT?!a.isConnected()||this.orphanCanConnectAtEnd(c,a.targetBlock(),b.type)?Blockly.InsertionMarkerManager.PREVIEW_TYPE.INSERTION_MARKER:Blockly.InsertionMarkerManager.PREVIEW_TYPE.REPLACEMENT_FADE:Blockly.InsertionMarkerManager.PREVIEW_TYPE.INSERTION_MARKER};
-Blockly.blockRendering.Renderer.prototype.render=function(a){Blockly.blockRendering.useDebugger&&!a.renderingDebugger&&(a.renderingDebugger=this.makeDebugger_());var b=this.makeRenderInfo_(a);b.measure();this.makeDrawer_(a,b).draw()};Blockly.geras={};Blockly.geras.ConstantProvider=function(){Blockly.geras.ConstantProvider.superClass_.constructor.call(this);this.FIELD_TEXT_BASELINE_CENTER=!1;this.DARK_PATH_OFFSET=1;this.MAX_BOTTOM_WIDTH=30};Blockly.utils.object.inherits(Blockly.geras.ConstantProvider,Blockly.blockRendering.ConstantProvider);
-Blockly.geras.ConstantProvider.prototype.getCSS_=function(a){return Blockly.geras.ConstantProvider.superClass_.getCSS_.call(this,a).concat([a+" .blocklyInsertionMarker>.blocklyPathLight,",a+" .blocklyInsertionMarker>.blocklyPathDark {","fill-opacity: "+this.INSERTION_MARKER_OPACITY+";","stroke: none;","}"])};Blockly.geras.Highlighter=function(a){this.info_=a;this.inlineSteps_=this.steps_="";this.RTL_=this.info_.RTL;a=a.getRenderer();this.constants_=a.getConstants();this.highlightConstants_=a.getHighlightConstants();this.highlightOffset_=this.highlightConstants_.OFFSET;this.outsideCornerPaths_=this.highlightConstants_.OUTSIDE_CORNER;this.insideCornerPaths_=this.highlightConstants_.INSIDE_CORNER;this.puzzleTabPaths_=this.highlightConstants_.PUZZLE_TAB;this.notchPaths_=this.highlightConstants_.NOTCH;this.startPaths_=
-this.highlightConstants_.START_HAT;this.jaggedTeethPaths_=this.highlightConstants_.JAGGED_TEETH};Blockly.geras.Highlighter.prototype.getPath=function(){return this.steps_+"\n"+this.inlineSteps_};
-Blockly.geras.Highlighter.prototype.drawTopCorner=function(a){this.steps_+=Blockly.utils.svgPaths.moveBy(a.xPos,this.info_.startY);for(var b=0,c;c=a.elements[b];b++)Blockly.blockRendering.Types.isLeftSquareCorner(c)?this.steps_+=this.highlightConstants_.START_POINT:Blockly.blockRendering.Types.isLeftRoundedCorner(c)?this.steps_+=this.outsideCornerPaths_.topLeft(this.RTL_):Blockly.blockRendering.Types.isPreviousConnection(c)?this.steps_+=this.notchPaths_.pathLeft:Blockly.blockRendering.Types.isHat(c)?
-this.steps_+=this.startPaths_.path(this.RTL_):Blockly.blockRendering.Types.isSpacer(c)&&0!=c.width&&(this.steps_+=Blockly.utils.svgPaths.lineOnAxis("H",c.xPos+c.width-this.highlightOffset_));this.steps_+=Blockly.utils.svgPaths.lineOnAxis("H",a.xPos+a.width-this.highlightOffset_)};Blockly.geras.Highlighter.prototype.drawJaggedEdge_=function(a){this.info_.RTL&&(this.steps_+=this.jaggedTeethPaths_.pathLeft+Blockly.utils.svgPaths.lineOnAxis("v",a.height-this.jaggedTeethPaths_.height-this.highlightOffset_))};
-Blockly.geras.Highlighter.prototype.drawValueInput=function(a){var b=a.getLastInput();if(this.RTL_){var c=a.height-b.connectionHeight;this.steps_+=Blockly.utils.svgPaths.moveTo(b.xPos+b.width-this.highlightOffset_,a.yPos)+this.puzzleTabPaths_.pathDown(this.RTL_)+Blockly.utils.svgPaths.lineOnAxis("v",c)}else this.steps_+=Blockly.utils.svgPaths.moveTo(b.xPos+b.width,a.yPos)+this.puzzleTabPaths_.pathDown(this.RTL_)};
-Blockly.geras.Highlighter.prototype.drawStatementInput=function(a){var b=a.getLastInput();if(this.RTL_){var c=a.height-2*this.insideCornerPaths_.height;this.steps_+=Blockly.utils.svgPaths.moveTo(b.xPos,a.yPos)+this.insideCornerPaths_.pathTop(this.RTL_)+Blockly.utils.svgPaths.lineOnAxis("v",c)+this.insideCornerPaths_.pathBottom(this.RTL_)+Blockly.utils.svgPaths.lineTo(a.width-b.xPos-this.insideCornerPaths_.width,0)}else this.steps_+=Blockly.utils.svgPaths.moveTo(b.xPos,a.yPos+a.height)+this.insideCornerPaths_.pathBottom(this.RTL_)+
-Blockly.utils.svgPaths.lineTo(a.width-b.xPos-this.insideCornerPaths_.width,0)};Blockly.geras.Highlighter.prototype.drawRightSideRow=function(a){var b=a.xPos+a.width-this.highlightOffset_;a.followsStatement&&(this.steps_+=Blockly.utils.svgPaths.lineOnAxis("H",b));this.RTL_&&(this.steps_+=Blockly.utils.svgPaths.lineOnAxis("H",b),a.height>this.highlightOffset_&&(this.steps_+=Blockly.utils.svgPaths.lineOnAxis("V",a.yPos+a.height-this.highlightOffset_)))};
-Blockly.geras.Highlighter.prototype.drawBottomRow=function(a){if(this.RTL_)this.steps_+=Blockly.utils.svgPaths.lineOnAxis("V",a.baseline-this.highlightOffset_);else{var b=this.info_.bottomRow.elements[0];Blockly.blockRendering.Types.isLeftSquareCorner(b)?this.steps_+=Blockly.utils.svgPaths.moveTo(a.xPos+this.highlightOffset_,a.baseline-this.highlightOffset_):Blockly.blockRendering.Types.isLeftRoundedCorner(b)&&(this.steps_+=Blockly.utils.svgPaths.moveTo(a.xPos,a.baseline),this.steps_+=this.outsideCornerPaths_.bottomLeft())}};
-Blockly.geras.Highlighter.prototype.drawLeft=function(){var a=this.info_.outputConnection;a&&(a=a.connectionOffsetY+a.height,this.RTL_?this.steps_+=Blockly.utils.svgPaths.moveTo(this.info_.startX,a):(this.steps_+=Blockly.utils.svgPaths.moveTo(this.info_.startX+this.highlightOffset_,this.info_.bottomRow.baseline-this.highlightOffset_),this.steps_+=Blockly.utils.svgPaths.lineOnAxis("V",a)),this.steps_+=this.puzzleTabPaths_.pathUp(this.RTL_));this.RTL_||(a=this.info_.topRow,Blockly.blockRendering.Types.isLeftRoundedCorner(a.elements[0])?
-this.steps_+=Blockly.utils.svgPaths.lineOnAxis("V",this.outsideCornerPaths_.height):this.steps_+=Blockly.utils.svgPaths.lineOnAxis("V",a.capline+this.highlightOffset_))};
-Blockly.geras.Highlighter.prototype.drawInlineInput=function(a){var b=this.highlightOffset_,c=a.xPos+a.connectionWidth,d=a.centerline-a.height/2,e=a.width-a.connectionWidth,f=d+b;this.RTL_?(d=a.connectionOffsetY-b,a=a.height-(a.connectionOffsetY+a.connectionHeight)+b,this.inlineSteps_+=Blockly.utils.svgPaths.moveTo(c-b,f)+Blockly.utils.svgPaths.lineOnAxis("v",d)+this.puzzleTabPaths_.pathDown(this.RTL_)+Blockly.utils.svgPaths.lineOnAxis("v",a)+Blockly.utils.svgPaths.lineOnAxis("h",e)):this.inlineSteps_+=
-Blockly.utils.svgPaths.moveTo(a.xPos+a.width+b,f)+Blockly.utils.svgPaths.lineOnAxis("v",a.height)+Blockly.utils.svgPaths.lineOnAxis("h",-e)+Blockly.utils.svgPaths.moveTo(c,d+a.connectionOffsetY)+this.puzzleTabPaths_.pathDown(this.RTL_)};Blockly.geras.InlineInput=function(a,b){Blockly.geras.InlineInput.superClass_.constructor.call(this,a,b);this.connectedBlock&&(this.width+=this.constants_.DARK_PATH_OFFSET,this.height+=this.constants_.DARK_PATH_OFFSET)};Blockly.utils.object.inherits(Blockly.geras.InlineInput,Blockly.blockRendering.InlineInput);Blockly.geras.StatementInput=function(a,b){Blockly.geras.StatementInput.superClass_.constructor.call(this,a,b);this.connectedBlock&&(this.height+=this.constants_.DARK_PATH_OFFSET)};
-Blockly.utils.object.inherits(Blockly.geras.StatementInput,Blockly.blockRendering.StatementInput);Blockly.geras.RenderInfo=function(a,b){Blockly.geras.RenderInfo.superClass_.constructor.call(this,a,b)};Blockly.utils.object.inherits(Blockly.geras.RenderInfo,Blockly.blockRendering.RenderInfo);Blockly.geras.RenderInfo.prototype.getRenderer=function(){return this.renderer_};
-Blockly.geras.RenderInfo.prototype.populateBottomRow_=function(){Blockly.geras.RenderInfo.superClass_.populateBottomRow_.call(this);this.block_.inputList.length&&this.block_.inputList[this.block_.inputList.length-1].type==Blockly.NEXT_STATEMENT||(this.bottomRow.minHeight=this.constants_.MEDIUM_PADDING-this.constants_.DARK_PATH_OFFSET)};
-Blockly.geras.RenderInfo.prototype.addInput_=function(a,b){this.isInline&&a.type==Blockly.INPUT_VALUE?(b.elements.push(new Blockly.geras.InlineInput(this.constants_,a)),b.hasInlineInput=!0):a.type==Blockly.NEXT_STATEMENT?(b.elements.push(new Blockly.geras.StatementInput(this.constants_,a)),b.hasStatement=!0):a.type==Blockly.INPUT_VALUE?(b.elements.push(new Blockly.blockRendering.ExternalValueInput(this.constants_,a)),b.hasExternalInput=!0):a.type==Blockly.DUMMY_INPUT&&(b.minHeight=Math.max(b.minHeight,
-this.constants_.DUMMY_INPUT_MIN_HEIGHT),b.hasDummyInput=!0);this.isInline||null!=b.align||(b.align=a.align)};
-Blockly.geras.RenderInfo.prototype.addElemSpacing_=function(){for(var a=!1,b=0,c;c=this.rows[b];b++)c.hasExternalInput&&(a=!0);for(b=0;c=this.rows[b];b++){var d=c.elements;c.elements=[];c.startsWithElemSpacer()&&c.elements.push(new Blockly.blockRendering.InRowSpacer(this.constants_,this.getInRowSpacing_(null,d[0])));if(d.length){for(var e=0;e<d.length-1;e++){c.elements.push(d[e]);var f=this.getInRowSpacing_(d[e],d[e+1]);c.elements.push(new Blockly.blockRendering.InRowSpacer(this.constants_,f))}c.elements.push(d[d.length-
-1]);c.endsWithElemSpacer()&&(f=this.getInRowSpacing_(d[d.length-1],null),a&&c.hasDummyInput&&(f+=this.constants_.TAB_WIDTH),c.elements.push(new Blockly.blockRendering.InRowSpacer(this.constants_,f)))}}};
-Blockly.geras.RenderInfo.prototype.getInRowSpacing_=function(a,b){if(!a)return b&&Blockly.blockRendering.Types.isField(b)&&b.isEditable?this.constants_.MEDIUM_PADDING:b&&Blockly.blockRendering.Types.isInlineInput(b)?this.constants_.MEDIUM_LARGE_PADDING:b&&Blockly.blockRendering.Types.isStatementInput(b)?this.constants_.STATEMENT_INPUT_PADDING_LEFT:this.constants_.LARGE_PADDING;if(!Blockly.blockRendering.Types.isInput(a)&&(!b||Blockly.blockRendering.Types.isStatementInput(b)))return Blockly.blockRendering.Types.isField(a)&&
-a.isEditable?this.constants_.MEDIUM_PADDING:Blockly.blockRendering.Types.isIcon(a)?2*this.constants_.LARGE_PADDING+1:Blockly.blockRendering.Types.isHat(a)?this.constants_.NO_PADDING:Blockly.blockRendering.Types.isPreviousOrNextConnection(a)?this.constants_.LARGE_PADDING:Blockly.blockRendering.Types.isLeftRoundedCorner(a)?this.constants_.MIN_BLOCK_WIDTH:Blockly.blockRendering.Types.isJaggedEdge(a)?this.constants_.NO_PADDING:this.constants_.LARGE_PADDING;if(Blockly.blockRendering.Types.isInput(a)&&
-!b){if(Blockly.blockRendering.Types.isExternalInput(a))return this.constants_.NO_PADDING;if(Blockly.blockRendering.Types.isInlineInput(a))return this.constants_.LARGE_PADDING;if(Blockly.blockRendering.Types.isStatementInput(a))return this.constants_.NO_PADDING}if(!Blockly.blockRendering.Types.isInput(a)&&b&&Blockly.blockRendering.Types.isInput(b)){if(Blockly.blockRendering.Types.isField(a)&&a.isEditable){if(Blockly.blockRendering.Types.isInlineInput(b)||Blockly.blockRendering.Types.isExternalInput(b))return this.constants_.SMALL_PADDING}else{if(Blockly.blockRendering.Types.isInlineInput(b)||
-Blockly.blockRendering.Types.isExternalInput(b))return this.constants_.MEDIUM_LARGE_PADDING;if(Blockly.blockRendering.Types.isStatementInput(b))return this.constants_.LARGE_PADDING}return this.constants_.LARGE_PADDING-1}if(Blockly.blockRendering.Types.isIcon(a)&&b&&!Blockly.blockRendering.Types.isInput(b))return this.constants_.LARGE_PADDING;if(Blockly.blockRendering.Types.isInlineInput(a)&&b&&Blockly.blockRendering.Types.isField(b))return b.isEditable?this.constants_.MEDIUM_PADDING:this.constants_.LARGE_PADDING;
-if(Blockly.blockRendering.Types.isLeftSquareCorner(a)&&b){if(Blockly.blockRendering.Types.isHat(b))return this.constants_.NO_PADDING;if(Blockly.blockRendering.Types.isPreviousConnection(b))return b.notchOffset;if(Blockly.blockRendering.Types.isNextConnection(b))return a=(this.RTL?1:-1)*this.constants_.DARK_PATH_OFFSET/2,b.notchOffset+a}if(Blockly.blockRendering.Types.isLeftRoundedCorner(a)&&b){if(Blockly.blockRendering.Types.isPreviousConnection(b))return b.notchOffset-this.constants_.CORNER_RADIUS;
-if(Blockly.blockRendering.Types.isNextConnection(b))return a=(this.RTL?1:-1)*this.constants_.DARK_PATH_OFFSET/2,b.notchOffset-this.constants_.CORNER_RADIUS+a}return Blockly.blockRendering.Types.isField(a)&&b&&Blockly.blockRendering.Types.isField(b)&&a.isEditable==b.isEditable||b&&Blockly.blockRendering.Types.isJaggedEdge(b)?this.constants_.LARGE_PADDING:this.constants_.MEDIUM_PADDING};
-Blockly.geras.RenderInfo.prototype.getSpacerRowHeight_=function(a,b){return Blockly.blockRendering.Types.isTopRow(a)&&Blockly.blockRendering.Types.isBottomRow(b)?this.constants_.EMPTY_BLOCK_SPACER_HEIGHT:Blockly.blockRendering.Types.isTopRow(a)||Blockly.blockRendering.Types.isBottomRow(b)?this.constants_.NO_PADDING:a.hasExternalInput&&b.hasExternalInput?this.constants_.LARGE_PADDING:!a.hasStatement&&b.hasStatement?this.constants_.BETWEEN_STATEMENT_PADDING_Y:a.hasStatement&&b.hasStatement||!a.hasStatement&&
-b.hasDummyInput||a.hasDummyInput?this.constants_.LARGE_PADDING:this.constants_.MEDIUM_PADDING};
-Blockly.geras.RenderInfo.prototype.getElemCenterline_=function(a,b){if(Blockly.blockRendering.Types.isSpacer(b))return a.yPos+b.height/2;if(Blockly.blockRendering.Types.isBottomRow(a))return a=a.yPos+a.height-a.descenderHeight,Blockly.blockRendering.Types.isNextConnection(b)?a+b.height/2:a-b.height/2;if(Blockly.blockRendering.Types.isTopRow(a))return Blockly.blockRendering.Types.isHat(b)?a.capline-b.height/2:a.capline+b.height/2;var c=a.yPos;Blockly.blockRendering.Types.isField(b)||Blockly.blockRendering.Types.isIcon(b)?
-(c+=b.height/2,(a.hasInlineInput||a.hasStatement)&&b.height+this.constants_.TALL_INPUT_FIELD_OFFSET_Y<=a.height&&(c+=this.constants_.TALL_INPUT_FIELD_OFFSET_Y)):c=Blockly.blockRendering.Types.isInlineInput(b)?c+b.height/2:c+a.height/2;return c};
-Blockly.geras.RenderInfo.prototype.alignRowElements_=function(){if(this.isInline){for(var a=0,b=null,c=this.rows.length-1,d;d=this.rows[c];c--)d.nextRightEdge=a,Blockly.blockRendering.Types.isInputRow(d)&&(d.hasStatement&&this.alignStatementRow_(d),b&&b.hasStatement&&d.width<b.width?d.nextRightEdge=b.width:a=d.width,b=d);for(c=a=0;d=this.rows[c];c++)d.hasStatement?a=this.getDesiredRowWidth_(d):Blockly.blockRendering.Types.isSpacer(d)?d.width=Math.max(a,d.nextRightEdge):(a=Math.max(a,d.nextRightEdge)-
-d.width,0<a&&this.addAlignmentPadding_(d,a),a=d.width)}else Blockly.geras.RenderInfo.superClass_.alignRowElements_.call(this)};Blockly.geras.RenderInfo.prototype.getDesiredRowWidth_=function(a){return this.isInline&&a.hasStatement?this.statementEdge+this.constants_.MAX_BOTTOM_WIDTH+this.startX:Blockly.geras.RenderInfo.superClass_.getDesiredRowWidth_.call(this,a)};
-Blockly.geras.RenderInfo.prototype.finalize_=function(){for(var a=0,b=0,c=0,d;d=this.rows[c];c++){d.yPos=b;d.xPos=this.startX;b+=d.height;a=Math.max(a,d.widthWithConnectedBlocks);var e=b-this.topRow.ascenderHeight;d==this.bottomRow&&e<this.constants_.MIN_BLOCK_HEIGHT&&(e=this.constants_.MIN_BLOCK_HEIGHT-e,this.bottomRow.height+=e,b+=e);this.recordElemPositions_(d)}this.outputConnection&&this.block_.nextConnection&&this.block_.nextConnection.isConnected()&&(a=Math.max(a,this.block_.nextConnection.targetBlock().getHeightWidth().width-
-this.constants_.DARK_PATH_OFFSET));this.bottomRow.baseline=b-this.bottomRow.descenderHeight;this.widthWithChildren=a+this.startX+this.constants_.DARK_PATH_OFFSET;this.width+=this.constants_.DARK_PATH_OFFSET;this.height=b+this.constants_.DARK_PATH_OFFSET;this.startY=this.topRow.capline};Blockly.geras.Drawer=function(a,b){Blockly.geras.Drawer.superClass_.constructor.call(this,a,b);this.highlighter_=new Blockly.geras.Highlighter(b)};Blockly.utils.object.inherits(Blockly.geras.Drawer,Blockly.blockRendering.Drawer);
-Blockly.geras.Drawer.prototype.draw=function(){this.hideHiddenIcons_();this.drawOutline_();this.drawInternals_();var a=this.block_.pathObject;a.setPath(this.outlinePath_+"\n"+this.inlinePath_);a.setHighlightPath(this.highlighter_.getPath());this.info_.RTL&&a.flipRTL();Blockly.blockRendering.useDebugger&&this.block_.renderingDebugger.drawDebug(this.block_,this.info_);this.recordSizeOnBlock_()};
-Blockly.geras.Drawer.prototype.drawTop_=function(){this.highlighter_.drawTopCorner(this.info_.topRow);this.highlighter_.drawRightSideRow(this.info_.topRow);Blockly.geras.Drawer.superClass_.drawTop_.call(this)};Blockly.geras.Drawer.prototype.drawJaggedEdge_=function(a){this.highlighter_.drawJaggedEdge_(a);Blockly.geras.Drawer.superClass_.drawJaggedEdge_.call(this,a)};
-Blockly.geras.Drawer.prototype.drawValueInput_=function(a){this.highlighter_.drawValueInput(a);Blockly.geras.Drawer.superClass_.drawValueInput_.call(this,a)};Blockly.geras.Drawer.prototype.drawStatementInput_=function(a){this.highlighter_.drawStatementInput(a);Blockly.geras.Drawer.superClass_.drawStatementInput_.call(this,a)};
-Blockly.geras.Drawer.prototype.drawRightSideRow_=function(a){this.highlighter_.drawRightSideRow(a);this.outlinePath_+=Blockly.utils.svgPaths.lineOnAxis("H",a.xPos+a.width)+Blockly.utils.svgPaths.lineOnAxis("V",a.yPos+a.height)};Blockly.geras.Drawer.prototype.drawBottom_=function(){this.highlighter_.drawBottomRow(this.info_.bottomRow);Blockly.geras.Drawer.superClass_.drawBottom_.call(this)};Blockly.geras.Drawer.prototype.drawLeft_=function(){this.highlighter_.drawLeft();Blockly.geras.Drawer.superClass_.drawLeft_.call(this)};
-Blockly.geras.Drawer.prototype.drawInlineInput_=function(a){this.highlighter_.drawInlineInput(a);Blockly.geras.Drawer.superClass_.drawInlineInput_.call(this,a)};Blockly.geras.Drawer.prototype.positionInlineInputConnection_=function(a){var b=a.centerline-a.height/2;if(a.connectionModel){var c=a.xPos+a.connectionWidth+this.constants_.DARK_PATH_OFFSET;this.info_.RTL&&(c*=-1);a.connectionModel.setOffsetInBlock(c,b+a.connectionOffsetY+this.constants_.DARK_PATH_OFFSET)}};
-Blockly.geras.Drawer.prototype.positionStatementInputConnection_=function(a){var b=a.getLastInput();if(b.connectionModel){var c=a.xPos+a.statementEdge+b.notchOffset;c=this.info_.RTL?-1*c:c+this.constants_.DARK_PATH_OFFSET;b.connectionModel.setOffsetInBlock(c,a.yPos+this.constants_.DARK_PATH_OFFSET)}};
-Blockly.geras.Drawer.prototype.positionExternalValueConnection_=function(a){var b=a.getLastInput();if(b.connectionModel){var c=a.xPos+a.width+this.constants_.DARK_PATH_OFFSET;this.info_.RTL&&(c*=-1);b.connectionModel.setOffsetInBlock(c,a.yPos)}};Blockly.geras.Drawer.prototype.positionNextConnection_=function(){var a=this.info_.bottomRow;if(a.connection){var b=a.connection,c=b.xPos;b.connectionModel.setOffsetInBlock((this.info_.RTL?-c:c)+this.constants_.DARK_PATH_OFFSET/2,a.baseline+this.constants_.DARK_PATH_OFFSET)}};Blockly.geras.HighlightConstantProvider=function(a){this.constantProvider=a;this.OFFSET=.5;this.START_POINT=Blockly.utils.svgPaths.moveBy(this.OFFSET,this.OFFSET)};Blockly.geras.HighlightConstantProvider.prototype.init=function(){this.INSIDE_CORNER=this.makeInsideCorner();this.OUTSIDE_CORNER=this.makeOutsideCorner();this.PUZZLE_TAB=this.makePuzzleTab();this.NOTCH=this.makeNotch();this.JAGGED_TEETH=this.makeJaggedTeeth();this.START_HAT=this.makeStartHat()};
-Blockly.geras.HighlightConstantProvider.prototype.makeInsideCorner=function(){var a=this.constantProvider.CORNER_RADIUS,b=this.OFFSET,c=(1-Math.SQRT1_2)*(a+b)-b,d=Blockly.utils.svgPaths.moveBy(c,c)+Blockly.utils.svgPaths.arc("a","0 0,0",a,Blockly.utils.svgPaths.point(-c-b,a-c)),e=Blockly.utils.svgPaths.arc("a","0 0,0",a+b,Blockly.utils.svgPaths.point(a+b,a+b)),f=Blockly.utils.svgPaths.moveBy(c,-c)+Blockly.utils.svgPaths.arc("a","0 0,0",a+b,Blockly.utils.svgPaths.point(a-c,c+b));return{width:a+b,height:a,
-pathTop:function(g){return g?d:""},pathBottom:function(g){return g?e:f}}};
-Blockly.geras.HighlightConstantProvider.prototype.makeOutsideCorner=function(){var a=this.constantProvider.CORNER_RADIUS,b=this.OFFSET,c=(1-Math.SQRT1_2)*(a-b)+b,d=Blockly.utils.svgPaths.moveBy(c,c)+Blockly.utils.svgPaths.arc("a","0 0,1",a-b,Blockly.utils.svgPaths.point(a-c,-c+b)),e=Blockly.utils.svgPaths.moveBy(b,a)+Blockly.utils.svgPaths.arc("a","0 0,1",a-b,Blockly.utils.svgPaths.point(a,-a+b)),f=-c,g=Blockly.utils.svgPaths.moveBy(c,f)+Blockly.utils.svgPaths.arc("a","0 0,1",a-b,Blockly.utils.svgPaths.point(-c+
-b,-f-a));return{height:a,topLeft:function(h){return h?d:e},bottomLeft:function(){return g}}};
-Blockly.geras.HighlightConstantProvider.prototype.makePuzzleTab=function(){var a=this.constantProvider.TAB_WIDTH,b=this.constantProvider.TAB_HEIGHT,c=Blockly.utils.svgPaths.moveBy(-2,-b+3.4)+Blockly.utils.svgPaths.lineTo(-.45*a,-2.1),d=Blockly.utils.svgPaths.lineOnAxis("v",2.5)+Blockly.utils.svgPaths.moveBy(.97*-a,2.5)+Blockly.utils.svgPaths.curve("q",[Blockly.utils.svgPaths.point(.05*-a,10),Blockly.utils.svgPaths.point(.3*a,9.5)])+Blockly.utils.svgPaths.moveBy(.67*a,-1.9)+Blockly.utils.svgPaths.lineOnAxis("v",
-2.5),e=Blockly.utils.svgPaths.lineOnAxis("v",-1.5)+Blockly.utils.svgPaths.moveBy(-.92*a,-.5)+Blockly.utils.svgPaths.curve("q",[Blockly.utils.svgPaths.point(-.19*a,-5.5),Blockly.utils.svgPaths.point(0,-11)])+Blockly.utils.svgPaths.moveBy(.92*a,1),f=Blockly.utils.svgPaths.moveBy(-5,b-.7)+Blockly.utils.svgPaths.lineTo(.46*a,-2.1);return{width:a,height:b,pathUp:function(g){return g?c:e},pathDown:function(g){return g?d:f}}};
-Blockly.geras.HighlightConstantProvider.prototype.makeNotch=function(){return{pathLeft:Blockly.utils.svgPaths.lineOnAxis("h",this.OFFSET)+this.constantProvider.NOTCH.pathLeft}};Blockly.geras.HighlightConstantProvider.prototype.makeJaggedTeeth=function(){return{pathLeft:Blockly.utils.svgPaths.lineTo(5.1,2.6)+Blockly.utils.svgPaths.moveBy(-10.2,6.8)+Blockly.utils.svgPaths.lineTo(5.1,2.6),height:12,width:10.2}};
-Blockly.geras.HighlightConstantProvider.prototype.makeStartHat=function(){var a=this.constantProvider.START_HAT.height,b=Blockly.utils.svgPaths.moveBy(25,-8.7)+Blockly.utils.svgPaths.curve("c",[Blockly.utils.svgPaths.point(29.7,-6.2),Blockly.utils.svgPaths.point(57.2,-.5),Blockly.utils.svgPaths.point(75,8.7)]),c=Blockly.utils.svgPaths.curve("c",[Blockly.utils.svgPaths.point(17.8,-9.2),Blockly.utils.svgPaths.point(45.3,-14.9),Blockly.utils.svgPaths.point(75,-8.7)])+Blockly.utils.svgPaths.moveTo(100.5,
-a+.5);return{path:function(d){return d?b:c}}};Blockly.geras.PathObject=function(a,b,c){this.constants=c;this.svgRoot=a;this.svgPathDark=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{"class":"blocklyPathDark",transform:"translate(1,1)"},this.svgRoot);this.svgPath=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{"class":"blocklyPath"},this.svgRoot);this.svgPathLight=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{"class":"blocklyPathLight"},this.svgRoot);this.colourDark="#000000";this.style=b};
-Blockly.utils.object.inherits(Blockly.geras.PathObject,Blockly.blockRendering.PathObject);Blockly.geras.PathObject.prototype.setPath=function(a){this.svgPath.setAttribute("d",a);this.svgPathDark.setAttribute("d",a)};Blockly.geras.PathObject.prototype.setHighlightPath=function(a){this.svgPathLight.setAttribute("d",a)};
-Blockly.geras.PathObject.prototype.flipRTL=function(){this.svgPath.setAttribute("transform","scale(-1 1)");this.svgPathLight.setAttribute("transform","scale(-1 1)");this.svgPathDark.setAttribute("transform","translate(1,1) scale(-1 1)")};
-Blockly.geras.PathObject.prototype.applyColour=function(a){this.svgPathLight.style.display="";this.svgPathDark.style.display="";this.svgPathLight.setAttribute("stroke",this.style.colourTertiary);this.svgPathDark.setAttribute("fill",this.colourDark);Blockly.geras.PathObject.superClass_.applyColour.call(this,a);this.svgPath.setAttribute("stroke","none")};
-Blockly.geras.PathObject.prototype.setStyle=function(a){this.style=a;this.colourDark=Blockly.utils.colour.blend("#000",this.style.colourPrimary,.2)||this.colourDark};Blockly.geras.PathObject.prototype.updateHighlighted=function(a){a?(this.svgPath.setAttribute("filter","url(#"+this.constants.embossFilterId+")"),this.svgPathLight.style.display="none"):(this.svgPath.setAttribute("filter","none"),this.svgPathLight.style.display="inline")};
-Blockly.geras.PathObject.prototype.updateShadow_=function(a){a&&(this.svgPathLight.style.display="none",this.svgPathDark.setAttribute("fill",this.style.colourSecondary),this.svgPath.setAttribute("stroke","none"),this.svgPath.setAttribute("fill",this.style.colourSecondary))};Blockly.geras.PathObject.prototype.updateDisabled_=function(a){Blockly.geras.PathObject.superClass_.updateDisabled_.call(this,a);a&&this.svgPath.setAttribute("stroke","none")};Blockly.geras.Renderer=function(a){Blockly.geras.Renderer.superClass_.constructor.call(this,a);this.highlightConstants_=null};Blockly.utils.object.inherits(Blockly.geras.Renderer,Blockly.blockRendering.Renderer);Blockly.geras.Renderer.prototype.init=function(a,b){Blockly.geras.Renderer.superClass_.init.call(this,a,b);this.highlightConstants_=this.makeHighlightConstants_();this.highlightConstants_.init()};
-Blockly.geras.Renderer.prototype.refreshDom=function(a,b){Blockly.geras.Renderer.superClass_.refreshDom.call(this,a,b);this.getHighlightConstants().init()};Blockly.geras.Renderer.prototype.makeConstants_=function(){return new Blockly.geras.ConstantProvider};Blockly.geras.Renderer.prototype.makeRenderInfo_=function(a){return new Blockly.geras.RenderInfo(this,a)};Blockly.geras.Renderer.prototype.makeDrawer_=function(a,b){return new Blockly.geras.Drawer(a,b)};
-Blockly.geras.Renderer.prototype.makePathObject=function(a,b){return new Blockly.geras.PathObject(a,b,this.getConstants())};Blockly.geras.Renderer.prototype.makeHighlightConstants_=function(){return new Blockly.geras.HighlightConstantProvider(this.getConstants())};Blockly.geras.Renderer.prototype.getHighlightConstants=function(){return this.highlightConstants_};Blockly.blockRendering.register("geras",Blockly.geras.Renderer);Blockly.thrasos={};Blockly.thrasos.RenderInfo=function(a,b){Blockly.thrasos.RenderInfo.superClass_.constructor.call(this,a,b)};Blockly.utils.object.inherits(Blockly.thrasos.RenderInfo,Blockly.blockRendering.RenderInfo);Blockly.thrasos.RenderInfo.prototype.getRenderer=function(){return this.renderer_};
-Blockly.thrasos.RenderInfo.prototype.addElemSpacing_=function(){for(var a=!1,b=0,c;c=this.rows[b];b++)c.hasExternalInput&&(a=!0);for(b=0;c=this.rows[b];b++){var d=c.elements;c.elements=[];c.startsWithElemSpacer()&&c.elements.push(new Blockly.blockRendering.InRowSpacer(this.constants_,this.getInRowSpacing_(null,d[0])));for(var e=0;e<d.length-1;e++){c.elements.push(d[e]);var f=this.getInRowSpacing_(d[e],d[e+1]);c.elements.push(new Blockly.blockRendering.InRowSpacer(this.constants_,f))}c.elements.push(d[d.length-
-1]);c.endsWithElemSpacer()&&(f=this.getInRowSpacing_(d[d.length-1],null),a&&c.hasDummyInput&&(f+=this.constants_.TAB_WIDTH),c.elements.push(new Blockly.blockRendering.InRowSpacer(this.constants_,f)))}};
-Blockly.thrasos.RenderInfo.prototype.getInRowSpacing_=function(a,b){if(!a)return b&&Blockly.blockRendering.Types.isField(b)&&b.isEditable?this.constants_.MEDIUM_PADDING:b&&Blockly.blockRendering.Types.isInlineInput(b)?this.constants_.MEDIUM_LARGE_PADDING:b&&Blockly.blockRendering.Types.isStatementInput(b)?this.constants_.STATEMENT_INPUT_PADDING_LEFT:this.constants_.LARGE_PADDING;if(!Blockly.blockRendering.Types.isInput(a)&&!b)return Blockly.blockRendering.Types.isField(a)&&a.isEditable?this.constants_.MEDIUM_PADDING:
-Blockly.blockRendering.Types.isIcon(a)?2*this.constants_.LARGE_PADDING+1:Blockly.blockRendering.Types.isHat(a)?this.constants_.NO_PADDING:Blockly.blockRendering.Types.isPreviousOrNextConnection(a)?this.constants_.LARGE_PADDING:Blockly.blockRendering.Types.isLeftRoundedCorner(a)?this.constants_.MIN_BLOCK_WIDTH:Blockly.blockRendering.Types.isJaggedEdge(a)?this.constants_.NO_PADDING:this.constants_.LARGE_PADDING;if(Blockly.blockRendering.Types.isInput(a)&&!b){if(Blockly.blockRendering.Types.isExternalInput(a))return this.constants_.NO_PADDING;
-if(Blockly.blockRendering.Types.isInlineInput(a))return this.constants_.LARGE_PADDING;if(Blockly.blockRendering.Types.isStatementInput(a))return this.constants_.NO_PADDING}if(!Blockly.blockRendering.Types.isInput(a)&&b&&Blockly.blockRendering.Types.isInput(b)){if(Blockly.blockRendering.Types.isField(a)&&a.isEditable){if(Blockly.blockRendering.Types.isInlineInput(b)||Blockly.blockRendering.Types.isExternalInput(b))return this.constants_.SMALL_PADDING}else{if(Blockly.blockRendering.Types.isInlineInput(b)||
-Blockly.blockRendering.Types.isExternalInput(b))return this.constants_.MEDIUM_LARGE_PADDING;if(Blockly.blockRendering.Types.isStatementInput(b))return this.constants_.LARGE_PADDING}return this.constants_.LARGE_PADDING-1}if(Blockly.blockRendering.Types.isIcon(a)&&b&&!Blockly.blockRendering.Types.isInput(b))return this.constants_.LARGE_PADDING;if(Blockly.blockRendering.Types.isInlineInput(a)&&b&&Blockly.blockRendering.Types.isField(b))return b.isEditable?this.constants_.MEDIUM_PADDING:this.constants_.LARGE_PADDING;
-if(Blockly.blockRendering.Types.isLeftSquareCorner(a)&&b){if(Blockly.blockRendering.Types.isHat(b))return this.constants_.NO_PADDING;if(Blockly.blockRendering.Types.isPreviousConnection(b)||Blockly.blockRendering.Types.isNextConnection(b))return b.notchOffset}return Blockly.blockRendering.Types.isLeftRoundedCorner(a)&&b?b.notchOffset-this.constants_.CORNER_RADIUS:Blockly.blockRendering.Types.isField(a)&&b&&Blockly.blockRendering.Types.isField(b)&&a.isEditable==b.isEditable||b&&Blockly.blockRendering.Types.isJaggedEdge(b)?
-this.constants_.LARGE_PADDING:this.constants_.MEDIUM_PADDING};
-Blockly.thrasos.RenderInfo.prototype.getSpacerRowHeight_=function(a,b){return Blockly.blockRendering.Types.isTopRow(a)&&Blockly.blockRendering.Types.isBottomRow(b)?this.constants_.EMPTY_BLOCK_SPACER_HEIGHT:Blockly.blockRendering.Types.isTopRow(a)||Blockly.blockRendering.Types.isBottomRow(b)?this.constants_.NO_PADDING:a.hasExternalInput&&b.hasExternalInput?this.constants_.LARGE_PADDING:!a.hasStatement&&b.hasStatement?this.constants_.BETWEEN_STATEMENT_PADDING_Y:a.hasStatement&&b.hasStatement||a.hasDummyInput||
-b.hasDummyInput?this.constants_.LARGE_PADDING:this.constants_.MEDIUM_PADDING};
-Blockly.thrasos.RenderInfo.prototype.getElemCenterline_=function(a,b){if(Blockly.blockRendering.Types.isSpacer(b))return a.yPos+b.height/2;if(Blockly.blockRendering.Types.isBottomRow(a))return a=a.yPos+a.height-a.descenderHeight,Blockly.blockRendering.Types.isNextConnection(b)?a+b.height/2:a-b.height/2;if(Blockly.blockRendering.Types.isTopRow(a))return Blockly.blockRendering.Types.isHat(b)?a.capline-b.height/2:a.capline+b.height/2;var c=a.yPos;return c=Blockly.blockRendering.Types.isField(b)&&a.hasStatement?
-c+(this.constants_.TALL_INPUT_FIELD_OFFSET_Y+b.height/2):c+a.height/2};
-Blockly.thrasos.RenderInfo.prototype.finalize_=function(){for(var a=0,b=0,c=0,d;d=this.rows[c];c++){d.yPos=b;d.xPos=this.startX;b+=d.height;a=Math.max(a,d.widthWithConnectedBlocks);var e=b-this.topRow.ascenderHeight;d==this.bottomRow&&e<this.constants_.MIN_BLOCK_HEIGHT&&(e=this.constants_.MIN_BLOCK_HEIGHT-e,this.bottomRow.height+=e,b+=e);this.recordElemPositions_(d)}this.outputConnection&&this.block_.nextConnection&&this.block_.nextConnection.isConnected()&&(a=Math.max(a,this.block_.nextConnection.targetBlock().getHeightWidth().width));
-this.bottomRow.baseline=b-this.bottomRow.descenderHeight;this.widthWithChildren=a+this.startX;this.height=b;this.startY=this.topRow.capline};Blockly.thrasos.Renderer=function(a){Blockly.thrasos.Renderer.superClass_.constructor.call(this,a)};Blockly.utils.object.inherits(Blockly.thrasos.Renderer,Blockly.blockRendering.Renderer);Blockly.thrasos.Renderer.prototype.makeRenderInfo_=function(a){return new Blockly.thrasos.RenderInfo(this,a)};Blockly.blockRendering.register("thrasos",Blockly.thrasos.Renderer);Blockly.zelos={};
-Blockly.zelos.ConstantProvider=function(){Blockly.zelos.ConstantProvider.superClass_.constructor.call(this);this.SMALL_PADDING=this.GRID_UNIT=4;this.MEDIUM_PADDING=2*this.GRID_UNIT;this.MEDIUM_LARGE_PADDING=3*this.GRID_UNIT;this.LARGE_PADDING=4*this.GRID_UNIT;this.CORNER_RADIUS=1*this.GRID_UNIT;this.NOTCH_WIDTH=9*this.GRID_UNIT;this.NOTCH_HEIGHT=2*this.GRID_UNIT;this.STATEMENT_INPUT_NOTCH_OFFSET=this.NOTCH_OFFSET_LEFT=3*this.GRID_UNIT;this.MIN_BLOCK_WIDTH=2*this.GRID_UNIT;this.MIN_BLOCK_HEIGHT=12*
-this.GRID_UNIT;this.EMPTY_STATEMENT_INPUT_HEIGHT=6*this.GRID_UNIT;this.TAB_OFFSET_FROM_TOP=0;this.TOP_ROW_MIN_HEIGHT=this.CORNER_RADIUS;this.TOP_ROW_PRECEDES_STATEMENT_MIN_HEIGHT=this.LARGE_PADDING;this.BOTTOM_ROW_MIN_HEIGHT=this.CORNER_RADIUS;this.BOTTOM_ROW_AFTER_STATEMENT_MIN_HEIGHT=6*this.GRID_UNIT;this.STATEMENT_BOTTOM_SPACER=-this.NOTCH_HEIGHT;this.STATEMENT_INPUT_SPACER_MIN_WIDTH=40*this.GRID_UNIT;this.STATEMENT_INPUT_PADDING_LEFT=4*this.GRID_UNIT;this.EMPTY_INLINE_INPUT_PADDING=4*this.GRID_UNIT;
-this.EMPTY_INLINE_INPUT_HEIGHT=8*this.GRID_UNIT;this.DUMMY_INPUT_MIN_HEIGHT=8*this.GRID_UNIT;this.DUMMY_INPUT_SHADOW_MIN_HEIGHT=6*this.GRID_UNIT;this.CURSOR_WS_WIDTH=20*this.GRID_UNIT;this.CURSOR_COLOUR="#ffa200";this.CURSOR_RADIUS=5;this.JAGGED_TEETH_WIDTH=this.JAGGED_TEETH_HEIGHT=0;this.START_HAT_HEIGHT=22;this.START_HAT_WIDTH=96;this.SHAPES={HEXAGONAL:1,ROUND:2,SQUARE:3,PUZZLE:4,NOTCH:5};this.SHAPE_IN_SHAPE_PADDING={1:{0:5*this.GRID_UNIT,1:2*this.GRID_UNIT,2:5*this.GRID_UNIT,3:5*this.GRID_UNIT},
-2:{0:3*this.GRID_UNIT,1:3*this.GRID_UNIT,2:1*this.GRID_UNIT,3:2*this.GRID_UNIT},3:{0:2*this.GRID_UNIT,1:2*this.GRID_UNIT,2:2*this.GRID_UNIT,3:2*this.GRID_UNIT}};this.FULL_BLOCK_FIELDS=!0;this.FIELD_TEXT_FONTSIZE=3*this.GRID_UNIT;this.FIELD_TEXT_FONTWEIGHT="bold";this.FIELD_TEXT_FONTFAMILY='"Helvetica Neue", "Segoe UI", Helvetica, sans-serif';this.FIELD_BORDER_RECT_RADIUS=this.CORNER_RADIUS;this.FIELD_BORDER_RECT_X_PADDING=2*this.GRID_UNIT;this.FIELD_BORDER_RECT_Y_PADDING=1.625*this.GRID_UNIT;this.FIELD_BORDER_RECT_HEIGHT=
-8*this.GRID_UNIT;this.FIELD_DROPDOWN_BORDER_RECT_HEIGHT=8*this.GRID_UNIT;this.FIELD_DROPDOWN_SVG_ARROW=this.FIELD_DROPDOWN_COLOURED_DIV=this.FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW=!0;this.FIELD_DROPDOWN_SVG_ARROW_PADDING=this.FIELD_BORDER_RECT_X_PADDING;this.FIELD_COLOUR_FULL_BLOCK=this.FIELD_TEXTINPUT_BOX_SHADOW=!0;this.FIELD_COLOUR_DEFAULT_WIDTH=2*this.GRID_UNIT;this.FIELD_COLOUR_DEFAULT_HEIGHT=4*this.GRID_UNIT;this.FIELD_CHECKBOX_X_OFFSET=1*this.GRID_UNIT;this.MAX_DYNAMIC_CONNECTION_SHAPE_WIDTH=
-12*this.GRID_UNIT;this.SELECTED_GLOW_COLOUR="#fff200";this.SELECTED_GLOW_SIZE=.5;this.REPLACEMENT_GLOW_COLOUR="#fff200";this.REPLACEMENT_GLOW_SIZE=2;this.selectedGlowFilterId="";this.selectedGlowFilter_=null;this.replacementGlowFilterId="";this.replacementGlowFilter_=null};Blockly.utils.object.inherits(Blockly.zelos.ConstantProvider,Blockly.blockRendering.ConstantProvider);
-Blockly.zelos.ConstantProvider.prototype.setFontConstants_=function(a){Blockly.zelos.ConstantProvider.superClass_.setFontConstants_.call(this,a);this.FIELD_DROPDOWN_BORDER_RECT_HEIGHT=this.FIELD_BORDER_RECT_HEIGHT=this.FIELD_TEXT_HEIGHT+2*this.FIELD_BORDER_RECT_Y_PADDING};
-Blockly.zelos.ConstantProvider.prototype.init=function(){Blockly.zelos.ConstantProvider.superClass_.init.call(this);this.HEXAGONAL=this.makeHexagonal();this.ROUNDED=this.makeRounded();this.SQUARED=this.makeSquared();this.STATEMENT_INPUT_NOTCH_OFFSET=this.NOTCH_OFFSET_LEFT+this.INSIDE_CORNERS.rightWidth};
-Blockly.zelos.ConstantProvider.prototype.setDynamicProperties_=function(a){Blockly.zelos.ConstantProvider.superClass_.setDynamicProperties_.call(this,a);this.SELECTED_GLOW_COLOUR=a.getComponentStyle("selectedGlowColour")||this.SELECTED_GLOW_COLOUR;var b=Number(a.getComponentStyle("selectedGlowSize"));this.SELECTED_GLOW_SIZE=b&&!isNaN(b)?b:this.SELECTED_GLOW_SIZE;this.REPLACEMENT_GLOW_COLOUR=a.getComponentStyle("replacementGlowColour")||this.REPLACEMENT_GLOW_COLOUR;this.REPLACEMENT_GLOW_SIZE=(a=Number(a.getComponentStyle("replacementGlowSize")))&&
-!isNaN(a)?a:this.REPLACEMENT_GLOW_SIZE};Blockly.zelos.ConstantProvider.prototype.dispose=function(){Blockly.zelos.ConstantProvider.superClass_.dispose.call(this);this.selectedGlowFilter_&&Blockly.utils.dom.removeNode(this.selectedGlowFilter_);this.replacementGlowFilter_&&Blockly.utils.dom.removeNode(this.replacementGlowFilter_)};
-Blockly.zelos.ConstantProvider.prototype.makeStartHat=function(){var a=this.START_HAT_HEIGHT,b=this.START_HAT_WIDTH,c=Blockly.utils.svgPaths.curve("c",[Blockly.utils.svgPaths.point(25,-a),Blockly.utils.svgPaths.point(71,-a),Blockly.utils.svgPaths.point(b,0)]);return{height:a,width:b,path:c}};
-Blockly.zelos.ConstantProvider.prototype.makeHexagonal=function(){function a(c,d,e){var f=c/2;f=f>b?b:f;e=e?-1:1;c=(d?-1:1)*c/2;return Blockly.utils.svgPaths.lineTo(-e*f,c)+Blockly.utils.svgPaths.lineTo(e*f,c)}var b=this.MAX_DYNAMIC_CONNECTION_SHAPE_WIDTH;return{type:this.SHAPES.HEXAGONAL,isDynamic:!0,width:function(c){c/=2;return c>b?b:c},height:function(c){return c},connectionOffsetY:function(c){return c/2},connectionOffsetX:function(c){return-c},pathDown:function(c){return a(c,!1,!1)},pathUp:function(c){return a(c,
-!0,!1)},pathRightDown:function(c){return a(c,!1,!0)},pathRightUp:function(c){return a(c,!1,!0)}}};
-Blockly.zelos.ConstantProvider.prototype.makeRounded=function(){function a(d,e,f){var g=d>c?d-c:0;d=(d>c?c:d)/2;return Blockly.utils.svgPaths.arc("a","0 0,1",d,Blockly.utils.svgPaths.point((e?-1:1)*d,(e?-1:1)*d))+Blockly.utils.svgPaths.lineOnAxis("v",(f?1:-1)*g)+Blockly.utils.svgPaths.arc("a","0 0,1",d,Blockly.utils.svgPaths.point((e?1:-1)*d,(e?-1:1)*d))}var b=this.MAX_DYNAMIC_CONNECTION_SHAPE_WIDTH,c=2*b;return{type:this.SHAPES.ROUND,isDynamic:!0,width:function(d){d/=2;return d>b?b:d},height:function(d){return d},
-connectionOffsetY:function(d){return d/2},connectionOffsetX:function(d){return-d},pathDown:function(d){return a(d,!1,!1)},pathUp:function(d){return a(d,!0,!1)},pathRightDown:function(d){return a(d,!1,!0)},pathRightUp:function(d){return a(d,!1,!0)}}};
-Blockly.zelos.ConstantProvider.prototype.makeSquared=function(){function a(c,d,e){c-=2*b;return Blockly.utils.svgPaths.arc("a","0 0,1",b,Blockly.utils.svgPaths.point((d?-1:1)*b,(d?-1:1)*b))+Blockly.utils.svgPaths.lineOnAxis("v",(e?1:-1)*c)+Blockly.utils.svgPaths.arc("a","0 0,1",b,Blockly.utils.svgPaths.point((d?1:-1)*b,(d?-1:1)*b))}var b=this.CORNER_RADIUS;return{type:this.SHAPES.SQUARE,isDynamic:!0,width:function(c){return b},height:function(c){return c},connectionOffsetY:function(c){return c/2},
-connectionOffsetX:function(c){return-c},pathDown:function(c){return a(c,!1,!1)},pathUp:function(c){return a(c,!0,!1)},pathRightDown:function(c){return a(c,!1,!0)},pathRightUp:function(c){return a(c,!1,!0)}}};
-Blockly.zelos.ConstantProvider.prototype.shapeFor=function(a){var b=a.getCheck();!b&&a.targetConnection&&(b=a.targetConnection.getCheck());switch(a.type){case Blockly.INPUT_VALUE:case Blockly.OUTPUT_VALUE:a=a.getSourceBlock().getOutputShape();if(null!=a)switch(a){case this.SHAPES.HEXAGONAL:return this.HEXAGONAL;case this.SHAPES.ROUND:return this.ROUNDED;case this.SHAPES.SQUARE:return this.SQUARED}if(b&&-1!=b.indexOf("Boolean"))return this.HEXAGONAL;if(b&&-1!=b.indexOf("Number"))return this.ROUNDED;
-b&&b.indexOf("String");return this.ROUNDED;case Blockly.PREVIOUS_STATEMENT:case Blockly.NEXT_STATEMENT:return this.NOTCH;default:throw Error("Unknown type");}};
-Blockly.zelos.ConstantProvider.prototype.makeNotch=function(){function a(l){return Blockly.utils.svgPaths.curve("c",[Blockly.utils.svgPaths.point(l*e/2,0),Blockly.utils.svgPaths.point(l*e*3/4,g/2),Blockly.utils.svgPaths.point(l*e,g)])+Blockly.utils.svgPaths.line([Blockly.utils.svgPaths.point(l*e,f)])+Blockly.utils.svgPaths.curve("c",[Blockly.utils.svgPaths.point(l*e/4,g/2),Blockly.utils.svgPaths.point(l*e/2,g),Blockly.utils.svgPaths.point(l*e,g)])+Blockly.utils.svgPaths.lineOnAxis("h",l*d)+Blockly.utils.svgPaths.curve("c",
-[Blockly.utils.svgPaths.point(l*e/2,0),Blockly.utils.svgPaths.point(l*e*3/4,-(g/2)),Blockly.utils.svgPaths.point(l*e,-g)])+Blockly.utils.svgPaths.line([Blockly.utils.svgPaths.point(l*e,-f)])+Blockly.utils.svgPaths.curve("c",[Blockly.utils.svgPaths.point(l*e/4,-(g/2)),Blockly.utils.svgPaths.point(l*e/2,-g),Blockly.utils.svgPaths.point(l*e,-g)])}var b=this.NOTCH_WIDTH,c=this.NOTCH_HEIGHT,d=b/3,e=d/3,f=c/2,g=f/2,h=a(1),k=a(-1);return{type:this.SHAPES.NOTCH,width:b,height:c,pathLeft:h,pathRight:k}};
-Blockly.zelos.ConstantProvider.prototype.makeInsideCorners=function(){var a=this.CORNER_RADIUS,b=Blockly.utils.svgPaths.arc("a","0 0,0",a,Blockly.utils.svgPaths.point(-a,a)),c=Blockly.utils.svgPaths.arc("a","0 0,1",a,Blockly.utils.svgPaths.point(-a,a)),d=Blockly.utils.svgPaths.arc("a","0 0,0",a,Blockly.utils.svgPaths.point(a,a)),e=Blockly.utils.svgPaths.arc("a","0 0,1",a,Blockly.utils.svgPaths.point(a,a));return{width:a,height:a,pathTop:b,pathBottom:d,rightWidth:a,rightHeight:a,pathTopRight:c,pathBottomRight:e}};
-Blockly.zelos.ConstantProvider.prototype.generateSecondaryColour_=function(a){return Blockly.utils.colour.blend("#000",a,.15)||a};Blockly.zelos.ConstantProvider.prototype.generateTertiaryColour_=function(a){return Blockly.utils.colour.blend("#000",a,.25)||a};
-Blockly.zelos.ConstantProvider.prototype.createDom=function(a,b,c){Blockly.zelos.ConstantProvider.superClass_.createDom.call(this,a,b,c);a=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.DEFS,{},a);b=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FILTER,{id:"blocklySelectedGlowFilter"+this.randomIdentifier,height:"160%",width:"180%",y:"-30%",x:"-40%"},a);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FEGAUSSIANBLUR,{"in":"SourceGraphic",stdDeviation:this.SELECTED_GLOW_SIZE},b);c=
-Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FECOMPONENTTRANSFER,{result:"outBlur"},b);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FEFUNCA,{type:"table",tableValues:"0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1"},c);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FEFLOOD,{"flood-color":this.SELECTED_GLOW_COLOUR,"flood-opacity":1,result:"outColor"},b);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FECOMPOSITE,{"in":"outColor",in2:"outBlur",operator:"in",result:"outGlow"},b);this.selectedGlowFilterId=
-b.id;this.selectedGlowFilter_=b;a=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FILTER,{id:"blocklyReplacementGlowFilter"+this.randomIdentifier,height:"160%",width:"180%",y:"-30%",x:"-40%"},a);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FEGAUSSIANBLUR,{"in":"SourceGraphic",stdDeviation:this.REPLACEMENT_GLOW_SIZE},a);b=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FECOMPONENTTRANSFER,{result:"outBlur"},a);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FEFUNCA,{type:"table",
-tableValues:"0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1"},b);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FEFLOOD,{"flood-color":this.REPLACEMENT_GLOW_COLOUR,"flood-opacity":1,result:"outColor"},a);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FECOMPOSITE,{"in":"outColor",in2:"outBlur",operator:"in",result:"outGlow"},a);Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.FECOMPOSITE,{"in":"SourceGraphic",in2:"outGlow",operator:"over"},a);this.replacementGlowFilterId=a.id;this.replacementGlowFilter_=
-a};
-Blockly.zelos.ConstantProvider.prototype.getCSS_=function(a){return[a+" .blocklyText,",a+" .blocklyFlyoutLabelText {","font: "+this.FIELD_TEXT_FONTWEIGHT+" "+this.FIELD_TEXT_FONTSIZE+"pt "+this.FIELD_TEXT_FONTFAMILY+";","}",a+" .blocklyText {","fill: #fff;","}",a+" .blocklyNonEditableText>rect:not(.blocklyDropdownRect),",a+" .blocklyEditableText>rect:not(.blocklyDropdownRect) {","fill: "+this.FIELD_BORDER_RECT_COLOUR+";","}",a+" .blocklyNonEditableText>text,",a+" .blocklyEditableText>text,",a+" .blocklyNonEditableText>g>text,",
-a+" .blocklyEditableText>g>text {","fill: #575E75;","}",a+" .blocklyFlyoutLabelText {","fill: #575E75;","}",a+" .blocklyText.blocklyBubbleText {","fill: #575E75;","}",a+" .blocklyDraggable:not(.blocklyDisabled)"," .blocklyEditableText:not(.editing):hover>rect,",a+" .blocklyDraggable:not(.blocklyDisabled)"," .blocklyEditableText:not(.editing):hover>.blocklyPath {","stroke: #fff;","stroke-width: 2;","}",a+" .blocklyHtmlInput {","font-family: "+this.FIELD_TEXT_FONTFAMILY+";","font-weight: "+this.FIELD_TEXT_FONTWEIGHT+
-";","color: #575E75;","}",a+" .blocklyDropdownText {","fill: #fff !important;","}",a+".blocklyWidgetDiv .goog-menuitem,",a+".blocklyDropDownDiv .goog-menuitem {","font-family: "+this.FIELD_TEXT_FONTFAMILY+";","}",a+".blocklyDropDownDiv .goog-menuitem-content {","color: #fff;","}",a+" .blocklyHighlightedConnectionPath {","stroke: "+this.SELECTED_GLOW_COLOUR+";","}",a+" .blocklyDisabled > .blocklyOutlinePath {","fill: url(#blocklyDisabledPattern"+this.randomIdentifier+")","}",a+" .blocklyInsertionMarker>.blocklyPath {",
-"fill-opacity: "+this.INSERTION_MARKER_OPACITY+";","stroke: none;","}"]};Blockly.zelos.TopRow=function(a){Blockly.zelos.TopRow.superClass_.constructor.call(this,a)};Blockly.utils.object.inherits(Blockly.zelos.TopRow,Blockly.blockRendering.TopRow);Blockly.zelos.TopRow.prototype.endsWithElemSpacer=function(){return!1};Blockly.zelos.TopRow.prototype.hasLeftSquareCorner=function(a){var b=(a.hat?"cap"===a.hat:this.constants_.ADD_START_HATS)&&!a.outputConnection&&!a.previousConnection;return!!a.outputConnection||b};
-Blockly.zelos.TopRow.prototype.hasRightSquareCorner=function(a){return!!a.outputConnection&&!a.statementInputCount&&!a.nextConnection};Blockly.zelos.BottomRow=function(a){Blockly.zelos.BottomRow.superClass_.constructor.call(this,a)};Blockly.utils.object.inherits(Blockly.zelos.BottomRow,Blockly.blockRendering.BottomRow);Blockly.zelos.BottomRow.prototype.endsWithElemSpacer=function(){return!1};Blockly.zelos.BottomRow.prototype.hasLeftSquareCorner=function(a){return!!a.outputConnection};
-Blockly.zelos.BottomRow.prototype.hasRightSquareCorner=function(a){return!!a.outputConnection&&!a.statementInputCount&&!a.nextConnection};Blockly.zelos.RightConnectionShape=function(a){Blockly.zelos.RightConnectionShape.superClass_.constructor.call(this,a);this.type|=Blockly.blockRendering.Types.getType("RIGHT_CONNECTION");this.width=this.height=0};Blockly.utils.object.inherits(Blockly.zelos.RightConnectionShape,Blockly.blockRendering.Measurable);Blockly.zelos.StatementInput=function(a,b){Blockly.zelos.StatementInput.superClass_.constructor.call(this,a,b);if(this.connectedBlock){for(a=this.connectedBlock;a.getNextBlock();)a=a.getNextBlock();a.nextConnection||(this.height=this.connectedBlockHeight,this.connectedBottomNextConnection=!0)}};Blockly.utils.object.inherits(Blockly.zelos.StatementInput,Blockly.blockRendering.StatementInput);Blockly.zelos.RenderInfo=function(a,b){Blockly.zelos.RenderInfo.superClass_.constructor.call(this,a,b);this.topRow=new Blockly.zelos.TopRow(this.constants_);this.bottomRow=new Blockly.zelos.BottomRow(this.constants_);this.isInline=!0;this.isMultiRow=!b.getInputsInline()||b.isCollapsed();this.hasStatementInput=0<b.statementInputCount;this.rightSide=this.outputConnection?new Blockly.zelos.RightConnectionShape(this.constants_):null};Blockly.utils.object.inherits(Blockly.zelos.RenderInfo,Blockly.blockRendering.RenderInfo);
-Blockly.zelos.RenderInfo.prototype.getRenderer=function(){return this.renderer_};Blockly.zelos.RenderInfo.prototype.measure=function(){this.createRows_();this.addElemSpacing_();this.addRowSpacing_();this.adjustXPosition_();this.computeBounds_();this.alignRowElements_();this.finalize_()};
-Blockly.zelos.RenderInfo.prototype.shouldStartNewRow_=function(a,b){return b?a.type==Blockly.NEXT_STATEMENT||b.type==Blockly.NEXT_STATEMENT?!0:a.type==Blockly.INPUT_VALUE||a.type==Blockly.DUMMY_INPUT?!this.isInline||this.isMultiRow:!1:!1};Blockly.zelos.RenderInfo.prototype.getDesiredRowWidth_=function(a){return a.hasStatement?this.width-this.startX-(this.constants_.INSIDE_CORNERS.rightWidth||0):Blockly.zelos.RenderInfo.superClass_.getDesiredRowWidth_.call(this,a)};
-Blockly.zelos.RenderInfo.prototype.getInRowSpacing_=function(a,b){return a&&b||!this.outputConnection||!this.outputConnection.isDynamicShape||this.hasStatementInput||this.bottomRow.hasNextConnection?!a&&b&&Blockly.blockRendering.Types.isStatementInput(b)?this.constants_.STATEMENT_INPUT_PADDING_LEFT:a&&Blockly.blockRendering.Types.isLeftRoundedCorner(a)&&b&&(Blockly.blockRendering.Types.isPreviousConnection(b)||Blockly.blockRendering.Types.isNextConnection(b))?b.notchOffset-this.constants_.CORNER_RADIUS:
-a&&Blockly.blockRendering.Types.isLeftSquareCorner(a)&&b&&Blockly.blockRendering.Types.isHat(b)?this.constants_.NO_PADDING:this.constants_.MEDIUM_PADDING:this.constants_.NO_PADDING};
-Blockly.zelos.RenderInfo.prototype.getSpacerRowHeight_=function(a,b){if(Blockly.blockRendering.Types.isTopRow(a)&&Blockly.blockRendering.Types.isBottomRow(b))return this.constants_.EMPTY_BLOCK_SPACER_HEIGHT;var c=Blockly.blockRendering.Types.isInputRow(a)&&a.hasStatement,d=Blockly.blockRendering.Types.isInputRow(b)&&b.hasStatement;return d||c?(a=Math.max(this.constants_.NOTCH_HEIGHT,this.constants_.INSIDE_CORNERS.rightHeight||0),d&&c?Math.max(a,this.constants_.DUMMY_INPUT_MIN_HEIGHT):a):Blockly.blockRendering.Types.isTopRow(a)?
-a.hasPreviousConnection||this.outputConnection&&!this.hasStatementInput?this.constants_.NO_PADDING:Math.abs(this.constants_.NOTCH_HEIGHT-this.constants_.CORNER_RADIUS):Blockly.blockRendering.Types.isBottomRow(b)?this.outputConnection?!b.hasNextConnection&&this.hasStatementInput?Math.abs(this.constants_.NOTCH_HEIGHT-this.constants_.CORNER_RADIUS):this.constants_.NO_PADDING:Math.max(this.topRow.minHeight,Math.max(this.constants_.NOTCH_HEIGHT,this.constants_.CORNER_RADIUS))-this.constants_.CORNER_RADIUS:
-this.constants_.MEDIUM_PADDING};Blockly.zelos.RenderInfo.prototype.getSpacerRowWidth_=function(a,b){var c=this.width-this.startX;return Blockly.blockRendering.Types.isInputRow(a)&&a.hasStatement||Blockly.blockRendering.Types.isInputRow(b)&&b.hasStatement?Math.max(c,this.constants_.STATEMENT_INPUT_SPACER_MIN_WIDTH):c};
-Blockly.zelos.RenderInfo.prototype.getElemCenterline_=function(a,b){if(a.hasStatement&&!Blockly.blockRendering.Types.isSpacer(b)&&!Blockly.blockRendering.Types.isStatementInput(b))return a.yPos+this.constants_.EMPTY_STATEMENT_INPUT_HEIGHT/2;if(Blockly.blockRendering.Types.isInlineInput(b)){var c=b.connectedBlock;if(c&&c.outputConnection&&c.nextConnection)return a.yPos+c.height/2}return Blockly.zelos.RenderInfo.superClass_.getElemCenterline_.call(this,a,b)};
-Blockly.zelos.RenderInfo.prototype.addInput_=function(a,b){a.type==Blockly.DUMMY_INPUT&&b.hasDummyInput&&b.align==Blockly.ALIGN_LEFT&&a.align==Blockly.ALIGN_RIGHT&&(b.rightAlignedDummyInput=a);Blockly.zelos.RenderInfo.superClass_.addInput_.call(this,a,b)};
-Blockly.zelos.RenderInfo.prototype.addAlignmentPadding_=function(a,b){if(a.rightAlignedDummyInput){for(var c,d=0,e;(e=a.elements[d])&&(Blockly.blockRendering.Types.isSpacer(e)&&(c=e),!Blockly.blockRendering.Types.isField(e)||e.parentInput!=a.rightAlignedDummyInput);d++);if(c){c.width+=b;a.width+=b;return}}Blockly.zelos.RenderInfo.superClass_.addAlignmentPadding_.call(this,a,b)};
-Blockly.zelos.RenderInfo.prototype.adjustXPosition_=function(){for(var a=this.constants_.NOTCH_OFFSET_LEFT+this.constants_.NOTCH_WIDTH,b=a,c=2;c<this.rows.length-1;c+=2){var d=this.rows[c-1],e=this.rows[c],f=this.rows[c+1];d=2==c?!!this.topRow.hasPreviousConnection:!!d.followsStatement;f=c+2>=this.rows.length-1?!!this.bottomRow.hasNextConnection:!!f.precedesStatement;if(Blockly.blockRendering.Types.isInputRow(e)&&e.hasStatement)e.measure(),b=e.width-e.getLastInput().width+a;else if(d&&(2==c||f)&&
-Blockly.blockRendering.Types.isInputRow(e)&&!e.hasStatement){f=e.xPos;d=null;for(var g=0,h;h=e.elements[g];g++)Blockly.blockRendering.Types.isSpacer(h)&&(d=h),!(d&&(Blockly.blockRendering.Types.isField(h)||Blockly.blockRendering.Types.isInput(h))&&f<b)||Blockly.blockRendering.Types.isField(h)&&(h.field instanceof Blockly.FieldLabel||h.field instanceof Blockly.FieldImage)||(d.width+=b-f),f+=h.width}}};
-Blockly.zelos.RenderInfo.prototype.finalizeOutputConnection_=function(){if(this.outputConnection&&this.outputConnection.isDynamicShape){for(var a=0,b=0,c;c=this.rows[b];b++)c.yPos=a,a+=c.height;this.height=a;b=this.bottomRow.hasNextConnection?this.height-this.bottomRow.descenderHeight:this.height;a=this.outputConnection.shape.height(b);b=this.outputConnection.shape.width(b);this.outputConnection.height=a;this.outputConnection.width=b;this.outputConnection.startX=b;this.outputConnection.connectionOffsetY=
-this.outputConnection.shape.connectionOffsetY(a);this.outputConnection.connectionOffsetX=this.outputConnection.shape.connectionOffsetX(b);c=0;this.hasStatementInput||this.bottomRow.hasNextConnection||(c=b,this.rightSide.height=a,this.rightSide.width=c,this.rightSide.centerline=a/2,this.rightSide.xPos=this.width+c);this.startX=b;this.width+=b+c;this.widthWithChildren+=b+c}};
-Blockly.zelos.RenderInfo.prototype.finalizeHorizontalAlignment_=function(){if(this.outputConnection&&!this.hasStatementInput&&!this.bottomRow.hasNextConnection){for(var a=0,b=0,c;c=this.rows[b];b++)if(Blockly.blockRendering.Types.isInputRow(c)){a=c.elements[c.elements.length-2];var d=this.getNegativeSpacing_(c.elements[1]),e=this.getNegativeSpacing_(a);a=d+e;var f=this.constants_.MIN_BLOCK_WIDTH+2*this.outputConnection.width;this.width-a<f&&(a=this.width-f,d=a/2,e=a/2);c.elements.unshift(new Blockly.blockRendering.InRowSpacer(this.constants_,
--d));c.elements.push(new Blockly.blockRendering.InRowSpacer(this.constants_,-e))}if(a)for(this.width-=a,this.widthWithChildren-=a,this.rightSide.xPos-=a,b=0;c=this.rows[b];b++)Blockly.blockRendering.Types.isTopOrBottomRow(c)&&(c.elements[1].width-=a,c.elements[1].widthWithConnectedBlocks-=a),c.width-=a,c.widthWithConnectedBlocks-=a}};
-Blockly.zelos.RenderInfo.prototype.getNegativeSpacing_=function(a){if(!a)return 0;var b=this.outputConnection.width,c=this.outputConnection.shape.type,d=this.constants_;if(this.isMultiRow&&1<this.inputRows.length)switch(c){case d.SHAPES.ROUND:return c=this.constants_.MAX_DYNAMIC_CONNECTION_SHAPE_WIDTH,c=this.height/2>c?c:this.height/2,b-c*(1-Math.sin(Math.acos((c-this.constants_.SMALL_PADDING)/c)));default:return 0}if(Blockly.blockRendering.Types.isInlineInput(a)){var e=a.connectedBlock;a=e?e.pathObject.outputShapeType:
-a.shape.type;return e&&e.outputConnection&&(e.statementInputCount||e.nextConnection)||c==d.SHAPES.HEXAGONAL&&c!=a?0:b-this.constants_.SHAPE_IN_SHAPE_PADDING[c][a]}return Blockly.blockRendering.Types.isField(a)?c==d.SHAPES.ROUND&&a.field instanceof Blockly.FieldTextInput?b-2.75*d.GRID_UNIT:b-this.constants_.SHAPE_IN_SHAPE_PADDING[c][0]:Blockly.blockRendering.Types.isIcon(a)?this.constants_.SMALL_PADDING:0};
-Blockly.zelos.RenderInfo.prototype.finalizeVerticalAlignment_=function(){if(!this.outputConnection)for(var a=2;a<this.rows.length-1;a+=2){var b=this.rows[a-1],c=this.rows[a],d=this.rows[a+1],e=2==a,f=a+2>=this.rows.length-1?!!this.bottomRow.hasNextConnection:!!d.precedesStatement;if(e?this.topRow.hasPreviousConnection:b.followsStatement){var g=3==c.elements.length&&(c.elements[1].field instanceof Blockly.FieldLabel||c.elements[1].field instanceof Blockly.FieldImage);if(!e&&g)b.height-=this.constants_.SMALL_PADDING,
-d.height-=this.constants_.SMALL_PADDING,c.height-=this.constants_.MEDIUM_PADDING;else if(!e&&!f)b.height+=this.constants_.SMALL_PADDING;else if(f){e=!1;for(f=0;g=c.elements[f];f++)if(Blockly.blockRendering.Types.isInlineInput(g)&&g.connectedBlock&&!g.connectedBlock.isShadow()&&40<=g.connectedBlock.getHeightWidth().height){e=!0;break}e&&(b.height-=this.constants_.SMALL_PADDING,d.height-=this.constants_.SMALL_PADDING)}}}};
-Blockly.zelos.RenderInfo.prototype.finalize_=function(){this.finalizeOutputConnection_();this.finalizeHorizontalAlignment_();this.finalizeVerticalAlignment_();Blockly.zelos.RenderInfo.superClass_.finalize_.call(this);this.rightSide&&(this.widthWithChildren+=this.rightSide.width)};Blockly.zelos.Drawer=function(a,b){Blockly.zelos.Drawer.superClass_.constructor.call(this,a,b)};Blockly.utils.object.inherits(Blockly.zelos.Drawer,Blockly.blockRendering.Drawer);
-Blockly.zelos.Drawer.prototype.draw=function(){var a=this.block_.pathObject;a.beginDrawing();this.hideHiddenIcons_();this.drawOutline_();this.drawInternals_();a.setPath(this.outlinePath_+"\n"+this.inlinePath_);this.info_.RTL&&a.flipRTL();Blockly.blockRendering.useDebugger&&this.block_.renderingDebugger.drawDebug(this.block_,this.info_);this.recordSizeOnBlock_();this.info_.outputConnection&&(a.outputShapeType=this.info_.outputConnection.shape.type);a.endDrawing()};
-Blockly.zelos.Drawer.prototype.drawOutline_=function(){this.info_.outputConnection&&this.info_.outputConnection.isDynamicShape&&!this.info_.hasStatementInput&&!this.info_.bottomRow.hasNextConnection?(this.drawFlatTop_(),this.drawRightDynamicConnection_(),this.drawFlatBottom_(),this.drawLeftDynamicConnection_()):Blockly.zelos.Drawer.superClass_.drawOutline_.call(this)};
-Blockly.zelos.Drawer.prototype.drawLeft_=function(){this.info_.outputConnection&&this.info_.outputConnection.isDynamicShape?this.drawLeftDynamicConnection_():Blockly.zelos.Drawer.superClass_.drawLeft_.call(this)};
-Blockly.zelos.Drawer.prototype.drawRightSideRow_=function(a){if(!(0>=a.height))if(a.precedesStatement||a.followsStatement){var b=this.constants_.INSIDE_CORNERS.rightHeight;b=a.height-(a.precedesStatement?b:0);this.outlinePath_+=(a.followsStatement?this.constants_.INSIDE_CORNERS.pathBottomRight:"")+(0<b?Blockly.utils.svgPaths.lineOnAxis("V",a.yPos+b):"")+(a.precedesStatement?this.constants_.INSIDE_CORNERS.pathTopRight:"")}else this.outlinePath_+=Blockly.utils.svgPaths.lineOnAxis("V",a.yPos+a.height)};
-Blockly.zelos.Drawer.prototype.drawRightDynamicConnection_=function(){this.outlinePath_+=this.info_.outputConnection.shape.pathRightDown(this.info_.outputConnection.height)};Blockly.zelos.Drawer.prototype.drawLeftDynamicConnection_=function(){this.positionOutputConnection_();this.outlinePath_+=this.info_.outputConnection.shape.pathUp(this.info_.outputConnection.height);this.outlinePath_+="z"};
-Blockly.zelos.Drawer.prototype.drawFlatTop_=function(){var a=this.info_.topRow;this.positionPreviousConnection_();this.outlinePath_+=Blockly.utils.svgPaths.moveBy(a.xPos,this.info_.startY);this.outlinePath_+=Blockly.utils.svgPaths.lineOnAxis("h",a.width)};Blockly.zelos.Drawer.prototype.drawFlatBottom_=function(){var a=this.info_.bottomRow;this.positionNextConnection_();this.outlinePath_+=Blockly.utils.svgPaths.lineOnAxis("V",a.baseline);this.outlinePath_+=Blockly.utils.svgPaths.lineOnAxis("h",-a.width)};
-Blockly.zelos.Drawer.prototype.drawInlineInput_=function(a){this.positionInlineInputConnection_(a);var b=a.input.name;if(!a.connectedBlock&&!this.info_.isInsertionMarker){var c=a.width-2*a.connectionWidth;a=Blockly.utils.svgPaths.moveTo(a.xPos+a.connectionWidth,a.centerline-a.height/2)+Blockly.utils.svgPaths.lineOnAxis("h",c)+a.shape.pathRightDown(a.height)+Blockly.utils.svgPaths.lineOnAxis("h",-c)+a.shape.pathUp(a.height)+"z";this.block_.pathObject.setOutlinePath(b,a)}};
-Blockly.zelos.Drawer.prototype.drawStatementInput_=function(a){var b=a.getLastInput(),c=b.xPos+b.notchOffset+b.shape.width,d=b.shape.pathRight+Blockly.utils.svgPaths.lineOnAxis("h",-(b.notchOffset-this.constants_.INSIDE_CORNERS.width))+this.constants_.INSIDE_CORNERS.pathTop,e=a.height-2*this.constants_.INSIDE_CORNERS.height;b=this.constants_.INSIDE_CORNERS.pathBottom+Blockly.utils.svgPaths.lineOnAxis("h",b.notchOffset-this.constants_.INSIDE_CORNERS.width)+(b.connectedBottomNextConnection?"":b.shape.pathLeft);
-this.outlinePath_+=Blockly.utils.svgPaths.lineOnAxis("H",c)+d+Blockly.utils.svgPaths.lineOnAxis("v",e)+b+Blockly.utils.svgPaths.lineOnAxis("H",a.xPos+a.width);this.positionStatementInputConnection_(a)};Blockly.zelos.PathObject=function(a,b,c){Blockly.zelos.PathObject.superClass_.constructor.call(this,a,b,c);this.constants=c;this.svgPathSelected_=null;this.outlines_={};this.outputShapeType=this.remainingOutlines_=null};Blockly.utils.object.inherits(Blockly.zelos.PathObject,Blockly.blockRendering.PathObject);Blockly.zelos.PathObject.prototype.setPath=function(a){Blockly.zelos.PathObject.superClass_.setPath.call(this,a);this.svgPathSelected_&&this.svgPathSelected_.setAttribute("d",a)};
-Blockly.zelos.PathObject.prototype.applyColour=function(a){Blockly.zelos.PathObject.superClass_.applyColour.call(this,a);a.isShadow()&&a.getParent()&&this.svgPath.setAttribute("stroke",a.getParent().style.colourTertiary);a=0;for(var b=Object.keys(this.outlines_),c;c=b[a];a++)this.outlines_[c].setAttribute("fill",this.style.colourTertiary)};
-Blockly.zelos.PathObject.prototype.flipRTL=function(){Blockly.zelos.PathObject.superClass_.flipRTL.call(this);for(var a=0,b=Object.keys(this.outlines_),c;c=b[a];a++)this.outlines_[c].setAttribute("transform","scale(-1 1)")};
-Blockly.zelos.PathObject.prototype.updateSelected=function(a){this.setClass_("blocklySelected",a);a?this.svgPathSelected_||(this.svgPathSelected_=this.svgPath.cloneNode(!0),this.svgPathSelected_.setAttribute("fill","none"),this.svgPathSelected_.setAttribute("filter","url(#"+this.constants.selectedGlowFilterId+")"),this.svgRoot.appendChild(this.svgPathSelected_)):this.svgPathSelected_&&(this.svgRoot.removeChild(this.svgPathSelected_),this.svgPathSelected_=null)};
-Blockly.zelos.PathObject.prototype.updateReplacementFade=function(a){this.setClass_("blocklyReplaceable",a);a?this.svgPath.setAttribute("filter","url(#"+this.constants.replacementGlowFilterId+")"):this.svgPath.removeAttribute("filter")};Blockly.zelos.PathObject.prototype.updateShapeForInputHighlight=function(a,b){a=a.getParentInput().name;(a=this.getOutlinePath_(a))&&(b?a.setAttribute("filter","url(#"+this.constants.replacementGlowFilterId+")"):a.removeAttribute("filter"))};
-Blockly.zelos.PathObject.prototype.beginDrawing=function(){this.remainingOutlines_={};for(var a=0,b=Object.keys(this.outlines_),c;c=b[a];a++)this.remainingOutlines_[c]=1};Blockly.zelos.PathObject.prototype.endDrawing=function(){if(this.remainingOutlines_)for(var a=0,b=Object.keys(this.remainingOutlines_),c;c=b[a];a++)this.removeOutlinePath_(c);this.remainingOutlines_=null};
-Blockly.zelos.PathObject.prototype.setOutlinePath=function(a,b){a=this.getOutlinePath_(a);a.setAttribute("d",b);a.setAttribute("fill",this.style.colourTertiary)};Blockly.zelos.PathObject.prototype.getOutlinePath_=function(a){this.outlines_[a]||(this.outlines_[a]=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.PATH,{"class":"blocklyOutlinePath",d:""},this.svgRoot));this.remainingOutlines_&&delete this.remainingOutlines_[a];return this.outlines_[a]};
-Blockly.zelos.PathObject.prototype.removeOutlinePath_=function(a){this.outlines_[a].parentNode.removeChild(this.outlines_[a]);delete this.outlines_[a]};Blockly.zelos.MarkerSvg=function(a,b,c){Blockly.zelos.MarkerSvg.superClass_.constructor.call(this,a,b,c)};Blockly.utils.object.inherits(Blockly.zelos.MarkerSvg,Blockly.blockRendering.MarkerSvg);Blockly.zelos.MarkerSvg.prototype.showWithInputOutput_=function(a){var b=a.getSourceBlock();a=a.getLocation().getOffsetInBlock();this.positionCircle_(a.x,a.y);this.setParent_(b);this.showCurrent_()};Blockly.zelos.MarkerSvg.prototype.showWithOutput_=function(a){this.showWithInputOutput_(a)};
-Blockly.zelos.MarkerSvg.prototype.showWithInput_=function(a){this.showWithInputOutput_(a)};Blockly.zelos.MarkerSvg.prototype.showWithBlock_=function(a){a=a.getLocation();var b=a.getHeightWidth();this.positionRect_(0,0,b.width,b.height);this.setParent_(a);this.showCurrent_()};Blockly.zelos.MarkerSvg.prototype.positionCircle_=function(a,b){this.markerCircle_.setAttribute("cx",a);this.markerCircle_.setAttribute("cy",b);this.currentMarkerSvg=this.markerCircle_};
-Blockly.zelos.MarkerSvg.prototype.hide=function(){Blockly.zelos.MarkerSvg.superClass_.hide.call(this);this.markerCircle_.style.display="none"};
-Blockly.zelos.MarkerSvg.prototype.createDomInternal_=function(){Blockly.zelos.MarkerSvg.superClass_.createDomInternal_.call(this);this.markerCircle_=Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.CIRCLE,{r:this.constants_.CURSOR_RADIUS,style:"display: none","stroke-width":this.constants_.CURSOR_STROKE_WIDTH},this.markerSvg_);if(this.isCursor()){var a=this.getBlinkProperties_();Blockly.utils.dom.createSvgElement(Blockly.utils.Svg.ANIMATE,a,this.markerCircle_)}return this.markerSvg_};
-Blockly.zelos.MarkerSvg.prototype.applyColour_=function(a){Blockly.zelos.MarkerSvg.superClass_.applyColour_.call(this,a);this.markerCircle_.setAttribute("fill",this.colour_);this.markerCircle_.setAttribute("stroke",this.colour_);this.isCursor()&&this.markerCircle_.firstChild.setAttribute("values",this.colour_+";transparent;transparent;")};Blockly.zelos.Renderer=function(a){Blockly.zelos.Renderer.superClass_.constructor.call(this,a)};Blockly.utils.object.inherits(Blockly.zelos.Renderer,Blockly.blockRendering.Renderer);Blockly.zelos.Renderer.prototype.makeConstants_=function(){return new Blockly.zelos.ConstantProvider};Blockly.zelos.Renderer.prototype.makeRenderInfo_=function(a){return new Blockly.zelos.RenderInfo(this,a)};Blockly.zelos.Renderer.prototype.makeDrawer_=function(a,b){return new Blockly.zelos.Drawer(a,b)};
-Blockly.zelos.Renderer.prototype.makeMarkerDrawer=function(a,b){return new Blockly.zelos.MarkerSvg(a,this.getConstants(),b)};Blockly.zelos.Renderer.prototype.makePathObject=function(a,b){return new Blockly.zelos.PathObject(a,b,this.getConstants())};Blockly.zelos.Renderer.prototype.shouldHighlightConnection=function(a){return a.type!=Blockly.INPUT_VALUE&&a.type!==Blockly.OUTPUT_VALUE};
-Blockly.zelos.Renderer.prototype.getConnectionPreviewMethod=function(a,b,c){return b.type==Blockly.OUTPUT_VALUE?a.isConnected()?Blockly.InsertionMarkerManager.PREVIEW_TYPE.REPLACEMENT_FADE:Blockly.InsertionMarkerManager.PREVIEW_TYPE.INPUT_OUTLINE:Blockly.zelos.Renderer.superClass_.getConnectionPreviewMethod(a,b,c)};Blockly.blockRendering.register("zelos",Blockly.zelos.Renderer);Blockly.Themes.Dark=Blockly.Theme.defineTheme("dark",{base:Blockly.Themes.Classic,componentStyles:{workspaceBackgroundColour:"#1e1e1e",toolboxBackgroundColour:"blackBackground",toolboxForegroundColour:"#fff",flyoutBackgroundColour:"#252526",flyoutForegroundColour:"#ccc",flyoutOpacity:1,scrollbarColour:"#797979",insertionMarkerColour:"#fff",insertionMarkerOpacity:.3,scrollbarOpacity:.4,cursorColour:"#d0d0d0",blackBackground:"#333"}});Blockly.Themes.Deuteranopia={};
-Blockly.Themes.Deuteranopia.defaultBlockStyles={colour_blocks:{colourPrimary:"#f2a72c",colourSecondary:"#f1c172",colourTertiary:"#da921c"},list_blocks:{colourPrimary:"#7d65ab",colourSecondary:"#a88be0",colourTertiary:"#66518e"},logic_blocks:{colourPrimary:"#9fd2f1",colourSecondary:"#c0e0f4",colourTertiary:"#74bae5"},loop_blocks:{colourPrimary:"#795a07",colourSecondary:"#ac8726",colourTertiary:"#c4a03f"},math_blocks:{colourPrimary:"#e6da39",colourSecondary:"#f3ec8e",colourTertiary:"#f2eeb7"},procedure_blocks:{colourPrimary:"#590721",
-colourSecondary:"#8c475d",colourTertiary:"#885464"},text_blocks:{colourPrimary:"#058863",colourSecondary:"#5ecfaf",colourTertiary:"#04684c"},variable_blocks:{colourPrimary:"#47025a",colourSecondary:"#820fa1",colourTertiary:"#8e579d"},variable_dynamic_blocks:{colourPrimary:"#47025a",colourSecondary:"#820fa1",colourTertiary:"#8e579d"}};
-Blockly.Themes.Deuteranopia.categoryStyles={colour_category:{colour:"#f2a72c"},list_category:{colour:"#7d65ab"},logic_category:{colour:"#9fd2f1"},loop_category:{colour:"#795a07"},math_category:{colour:"#e6da39"},procedure_category:{colour:"#590721"},text_category:{colour:"#058863"},variable_category:{colour:"#47025a"},variable_dynamic_category:{colour:"#47025a"}};Blockly.Themes.Deuteranopia=new Blockly.Theme("deuteranopia",Blockly.Themes.Deuteranopia.defaultBlockStyles,Blockly.Themes.Deuteranopia.categoryStyles);Blockly.Themes.HighContrast={};
-Blockly.Themes.HighContrast.defaultBlockStyles={colour_blocks:{colourPrimary:"#a52714",colourSecondary:"#FB9B8C",colourTertiary:"#FBE1DD"},list_blocks:{colourPrimary:"#4a148c",colourSecondary:"#AD7BE9",colourTertiary:"#CDB6E9"},logic_blocks:{colourPrimary:"#01579b",colourSecondary:"#64C7FF",colourTertiary:"#C5EAFF"},loop_blocks:{colourPrimary:"#33691e",colourSecondary:"#9AFF78",colourTertiary:"#E1FFD7"},math_blocks:{colourPrimary:"#1a237e",colourSecondary:"#8A9EFF",colourTertiary:"#DCE2FF"},procedure_blocks:{colourPrimary:"#006064",
-colourSecondary:"#77E6EE",colourTertiary:"#CFECEE"},text_blocks:{colourPrimary:"#004d40",colourSecondary:"#5ae27c",colourTertiary:"#D2FFDD"},variable_blocks:{colourPrimary:"#880e4f",colourSecondary:"#FF73BE",colourTertiary:"#FFD4EB"},variable_dynamic_blocks:{colourPrimary:"#880e4f",colourSecondary:"#FF73BE",colourTertiary:"#FFD4EB"},hat_blocks:{colourPrimary:"#880e4f",colourSecondary:"#FF73BE",colourTertiary:"#FFD4EB",hat:"cap"}};
-Blockly.Themes.HighContrast.categoryStyles={colour_category:{colour:"#a52714"},list_category:{colour:"#4a148c"},logic_category:{colour:"#01579b"},loop_category:{colour:"#33691e"},math_category:{colour:"#1a237e"},procedure_category:{colour:"#006064"},text_category:{colour:"#004d40"},variable_category:{colour:"#880e4f"},variable_dynamic_category:{colour:"#880e4f"}};Blockly.Themes.HighContrast=new Blockly.Theme("highcontrast",Blockly.Themes.HighContrast.defaultBlockStyles,Blockly.Themes.HighContrast.categoryStyles);
-Blockly.Themes.HighContrast.setComponentStyle("selectedGlowColour","#000000");Blockly.Themes.HighContrast.setComponentStyle("selectedGlowSize",1);Blockly.Themes.HighContrast.setComponentStyle("replacementGlowColour","#000000");Blockly.Themes.HighContrast.setFontStyle({family:null,weight:null,size:16});Blockly.Themes.Tritanopia={};
-Blockly.Themes.Tritanopia.defaultBlockStyles={colour_blocks:{colourPrimary:"#05427f",colourSecondary:"#2974c0",colourTertiary:"#2d74bb"},list_blocks:{colourPrimary:"#b69ce8",colourSecondary:"#ccbaef",colourTertiary:"#9176c5"},logic_blocks:{colourPrimary:"#9fd2f1",colourSecondary:"#c0e0f4",colourTertiary:"#74bae5"},loop_blocks:{colourPrimary:"#aa1846",colourSecondary:"#d36185",colourTertiary:"#7c1636"},math_blocks:{colourPrimary:"#e6da39",colourSecondary:"#f3ec8e",colourTertiary:"#f2eeb7"},procedure_blocks:{colourPrimary:"#590721",
-colourSecondary:"#8c475d",colourTertiary:"#885464"},text_blocks:{colourPrimary:"#058863",colourSecondary:"#5ecfaf",colourTertiary:"#04684c"},variable_blocks:{colourPrimary:"#4b2d84",colourSecondary:"#816ea7",colourTertiary:"#83759e"},variable_dynamic_blocks:{colourPrimary:"#4b2d84",colourSecondary:"#816ea7",colourTertiary:"#83759e"}};
-Blockly.Themes.Tritanopia.categoryStyles={colour_category:{colour:"#05427f"},list_category:{colour:"#b69ce8"},logic_category:{colour:"#9fd2f1"},loop_category:{colour:"#aa1846"},math_category:{colour:"#e6da39"},procedure_category:{colour:"#590721"},text_category:{colour:"#058863"},variable_category:{colour:"#4b2d84"},variable_dynamic_category:{colour:"#4b2d84"}};Blockly.Themes.Tritanopia=new Blockly.Theme("tritanopia",Blockly.Themes.Tritanopia.defaultBlockStyles,Blockly.Themes.Tritanopia.categoryStyles);Blockly.requires={};
-return Blockly;
-}));
-
-
-//# sourceMappingURL=blockly_compressed.js.map
diff --git a/blockly_compressed.js.map b/blockly_compressed.js.map
deleted file mode 100644
index 3955b742c57..00000000000
--- a/blockly_compressed.js.map
+++ /dev/null
@@ -1 +0,0 @@
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\ No newline at end of file
diff --git a/blockly_uncompressed.js b/blockly_uncompressed.js
deleted file mode 100644
index cdb9c4057f9..00000000000
--- a/blockly_uncompressed.js
+++ /dev/null
@@ -1,224 +0,0 @@
-// Do not edit this file; automatically generated by gulp.
-'use strict';
-
-this.IS_NODE_JS = !!(typeof module !== 'undefined' && module.exports);
-
-this.BLOCKLY_DIR = (function(root) {
-  if (!root.IS_NODE_JS) {
-    // Find name of current directory.
-    var scripts = document.getElementsByTagName('script');
-    var re = new RegExp('(.+)[\/]blockly_(.*)uncompressed\.js$');
-    for (var i = 0, script; script = scripts[i]; i++) {
-      var match = re.exec(script.src);
-      if (match) {
-        return match[1];
-      }
-    }
-    alert('Could not detect Blockly\'s directory name.');
-  }
-  return '';
-})(this);
-
-this.BLOCKLY_BOOT = function(root) {
-  // Execute after Closure has loaded.
-goog.addDependency('../../core/block.js', ['Blockly.Block'], ['Blockly.ASTNode', 'Blockly.Blocks', 'Blockly.Connection', 'Blockly.Events', 'Blockly.Events.BlockChange', 'Blockly.Events.BlockCreate', 'Blockly.Events.BlockDelete', 'Blockly.Events.BlockMove', 'Blockly.Extensions', 'Blockly.Input', 'Blockly.Tooltip', 'Blockly.Workspace', 'Blockly.fieldRegistry', 'Blockly.navigation', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.deprecation', 'Blockly.utils.object', 'Blockly.utils.string'], {'lang': 'es5'});
-goog.addDependency('../../core/block_animations.js', ['Blockly.blockAnimations'], ['Blockly.utils.Svg', 'Blockly.utils.dom'], {});
-goog.addDependency('../../core/block_drag_surface.js', ['Blockly.BlockDragSurfaceSvg'], ['Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.Svg', 'Blockly.utils.dom'], {});
-goog.addDependency('../../core/block_dragger.js', ['Blockly.BlockDragger'], ['Blockly.Events', 'Blockly.Events.BlockMove', 'Blockly.Events.Ui', 'Blockly.InsertionMarkerManager', 'Blockly.blockAnimations', 'Blockly.utils.Coordinate', 'Blockly.utils.dom'], {});
-goog.addDependency('../../core/block_events.js', ['Blockly.Events.BlockBase', 'Blockly.Events.BlockChange', 'Blockly.Events.BlockCreate', 'Blockly.Events.BlockDelete', 'Blockly.Events.BlockMove', 'Blockly.Events.Change', 'Blockly.Events.Create', 'Blockly.Events.Delete', 'Blockly.Events.Move'], ['Blockly.Events', 'Blockly.Events.Abstract', 'Blockly.registry', 'Blockly.utils.Coordinate', 'Blockly.utils.object', 'Blockly.utils.xml'], {});
-goog.addDependency('../../core/block_svg.js', ['Blockly.BlockSvg'], ['Blockly.ASTNode', 'Blockly.Block', 'Blockly.ContextMenu', 'Blockly.ContextMenuRegistry', 'Blockly.Events', 'Blockly.Events.BlockMove', 'Blockly.Events.Ui', 'Blockly.Msg', 'Blockly.RenderedConnection', 'Blockly.TabNavigateCursor', 'Blockly.Tooltip', 'Blockly.Touch', 'Blockly.blockAnimations', 'Blockly.blockRendering.IPathObject', 'Blockly.navigation', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.Rect', 'Blockly.utils.deprecation', 'Blockly.utils.dom', 'Blockly.utils.object'], {});
-goog.addDependency('../../core/blockly.js', ['Blockly'], ['Blockly.Events', 'Blockly.Events.Ui', 'Blockly.Procedures', 'Blockly.Tooltip', 'Blockly.Touch', 'Blockly.Variables', 'Blockly.WidgetDiv', 'Blockly.WorkspaceSvg', 'Blockly.Xml', 'Blockly.constants', 'Blockly.inject', 'Blockly.navigation', 'Blockly.utils', 'Blockly.utils.Size', 'Blockly.utils.colour'], {});
-goog.addDependency('../../core/blocks.js', ['Blockly.Blocks'], [], {});
-goog.addDependency('../../core/bubble.js', ['Blockly.Bubble'], ['Blockly.Scrollbar', 'Blockly.Touch', 'Blockly.Workspace', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.Svg', 'Blockly.utils.dom', 'Blockly.utils.math', 'Blockly.utils.userAgent'], {});
-goog.addDependency('../../core/bubble_dragger.js', ['Blockly.BubbleDragger'], ['Blockly.Bubble', 'Blockly.Events', 'Blockly.Events.CommentMove', 'Blockly.utils', 'Blockly.utils.Coordinate'], {});
-goog.addDependency('../../core/comment.js', ['Blockly.Comment'], ['Blockly.Bubble', 'Blockly.Css', 'Blockly.Events', 'Blockly.Events.BlockChange', 'Blockly.Events.Ui', 'Blockly.Icon', 'Blockly.Warning', 'Blockly.utils.Svg', 'Blockly.utils.deprecation', 'Blockly.utils.dom', 'Blockly.utils.object', 'Blockly.utils.userAgent'], {});
-goog.addDependency('../../core/components/component.js', ['Blockly.Component', 'Blockly.Component.Error'], ['Blockly.utils.IdGenerator', 'Blockly.utils.dom', 'Blockly.utils.style'], {});
-goog.addDependency('../../core/connection.js', ['Blockly.Connection'], ['Blockly.Events', 'Blockly.Events.BlockMove', 'Blockly.Xml', 'Blockly.utils.deprecation'], {});
-goog.addDependency('../../core/connection_checker.js', ['Blockly.ConnectionChecker'], ['Blockly.registry'], {});
-goog.addDependency('../../core/connection_db.js', ['Blockly.ConnectionDB'], ['Blockly.RenderedConnection'], {});
-goog.addDependency('../../core/constants.js', ['Blockly.constants'], [], {});
-goog.addDependency('../../core/contextmenu.js', ['Blockly.ContextMenu'], ['Blockly.Events', 'Blockly.Events.BlockCreate', 'Blockly.Menu', 'Blockly.MenuItem', 'Blockly.Msg', 'Blockly.Xml', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.Rect', 'Blockly.utils.dom', 'Blockly.utils.userAgent'], {});
-goog.addDependency('../../core/contextmenu_items.js', ['Blockly.ContextMenuItems'], [], {'lang': 'es5'});
-goog.addDependency('../../core/contextmenu_registry.js', ['Blockly.ContextMenuRegistry'], ['Blockly.ContextMenuItems'], {'lang': 'es5'});
-goog.addDependency('../../core/css.js', ['Blockly.Css'], [], {'lang': 'es5'});
-goog.addDependency('../../core/dropdowndiv.js', ['Blockly.DropDownDiv'], ['Blockly.utils.dom', 'Blockly.utils.math', 'Blockly.utils.style'], {});
-goog.addDependency('../../core/events.js', ['Blockly.Events'], ['Blockly.registry', 'Blockly.utils'], {});
-goog.addDependency('../../core/events_abstract.js', ['Blockly.Events.Abstract'], ['Blockly.Events'], {});
-goog.addDependency('../../core/extensions.js', ['Blockly.Extensions'], ['Blockly.utils'], {});
-goog.addDependency('../../core/field.js', ['Blockly.Field'], ['Blockly.Events', 'Blockly.Events.BlockChange', 'Blockly.Gesture', 'Blockly.Tooltip', 'Blockly.utils', 'Blockly.utils.Rect', 'Blockly.utils.Size', 'Blockly.utils.Svg', 'Blockly.utils.deprecation', 'Blockly.utils.dom', 'Blockly.utils.style', 'Blockly.utils.userAgent'], {'lang': 'es5'});
-goog.addDependency('../../core/field_angle.js', ['Blockly.FieldAngle'], ['Blockly.Css', 'Blockly.DropDownDiv', 'Blockly.FieldTextInput', 'Blockly.fieldRegistry', 'Blockly.utils.Svg', 'Blockly.utils.dom', 'Blockly.utils.math', 'Blockly.utils.object', 'Blockly.utils.userAgent'], {});
-goog.addDependency('../../core/field_checkbox.js', ['Blockly.FieldCheckbox'], ['Blockly.Events', 'Blockly.Events.BlockChange', 'Blockly.Field', 'Blockly.fieldRegistry', 'Blockly.utils.Size', 'Blockly.utils.dom', 'Blockly.utils.object'], {});
-goog.addDependency('../../core/field_colour.js', ['Blockly.FieldColour'], ['Blockly.Css', 'Blockly.DropDownDiv', 'Blockly.Events', 'Blockly.Events.BlockChange', 'Blockly.Field', 'Blockly.fieldRegistry', 'Blockly.navigation', 'Blockly.utils.IdGenerator', 'Blockly.utils.KeyCodes', 'Blockly.utils.Size', 'Blockly.utils.aria', 'Blockly.utils.colour', 'Blockly.utils.dom', 'Blockly.utils.object'], {});
-goog.addDependency('../../core/field_dropdown.js', ['Blockly.FieldDropdown'], ['Blockly.Events', 'Blockly.Events.BlockChange', 'Blockly.Field', 'Blockly.Menu', 'Blockly.MenuItem', 'Blockly.fieldRegistry', 'Blockly.navigation', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.Size', 'Blockly.utils.Svg', 'Blockly.utils.aria', 'Blockly.utils.dom', 'Blockly.utils.object', 'Blockly.utils.string', 'Blockly.utils.userAgent'], {});
-goog.addDependency('../../core/field_image.js', ['Blockly.FieldImage'], ['Blockly.Field', 'Blockly.fieldRegistry', 'Blockly.utils', 'Blockly.utils.Size', 'Blockly.utils.Svg', 'Blockly.utils.dom', 'Blockly.utils.object'], {});
-goog.addDependency('../../core/field_label.js', ['Blockly.FieldLabel'], ['Blockly.Field', 'Blockly.fieldRegistry', 'Blockly.utils', 'Blockly.utils.Size', 'Blockly.utils.dom', 'Blockly.utils.object'], {});
-goog.addDependency('../../core/field_label_serializable.js', ['Blockly.FieldLabelSerializable'], ['Blockly.FieldLabel', 'Blockly.fieldRegistry', 'Blockly.utils', 'Blockly.utils.object'], {});
-goog.addDependency('../../core/field_multilineinput.js', ['Blockly.FieldMultilineInput'], ['Blockly.Css', 'Blockly.DropDownDiv', 'Blockly.FieldTextInput', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.KeyCodes', 'Blockly.utils.Svg', 'Blockly.utils.aria', 'Blockly.utils.dom', 'Blockly.utils.object', 'Blockly.utils.userAgent'], {'lang': 'es5'});
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-goog.addDependency('../../core/field_registry.js', ['Blockly.fieldRegistry'], ['Blockly.registry'], {});
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-goog.addDependency('../../core/trashcan.js', ['Blockly.Trashcan'], ['Blockly.Scrollbar', 'Blockly.Xml', 'Blockly.utils.Rect', 'Blockly.utils.Svg', 'Blockly.utils.dom', 'Blockly.utils.toolbox'], {});
-goog.addDependency('../../core/ui_events.js', ['Blockly.Events.Ui'], ['Blockly.Events', 'Blockly.Events.Abstract', 'Blockly.registry', 'Blockly.utils.object'], {});
-goog.addDependency('../../core/utils.js', ['Blockly.utils'], ['Blockly.Msg', 'Blockly.constants', 'Blockly.utils.Coordinate', 'Blockly.utils.Rect', 'Blockly.utils.colour', 'Blockly.utils.global', 'Blockly.utils.string', 'Blockly.utils.style', 'Blockly.utils.userAgent'], {});
-goog.addDependency('../../core/utils/aria.js', ['Blockly.utils.aria'], [], {});
-goog.addDependency('../../core/utils/colour.js', ['Blockly.utils.colour'], [], {});
-goog.addDependency('../../core/utils/coordinate.js', ['Blockly.utils.Coordinate'], [], {});
-goog.addDependency('../../core/utils/deprecation.js', ['Blockly.utils.deprecation'], [], {});
-goog.addDependency('../../core/utils/dom.js', ['Blockly.utils.dom'], ['Blockly.utils.Svg', 'Blockly.utils.userAgent'], {});
-goog.addDependency('../../core/utils/global.js', ['Blockly.utils.global'], [], {});
-goog.addDependency('../../core/utils/idgenerator.js', ['Blockly.utils.IdGenerator'], [], {});
-goog.addDependency('../../core/utils/keycodes.js', ['Blockly.utils.KeyCodes'], [], {});
-goog.addDependency('../../core/utils/math.js', ['Blockly.utils.math'], [], {});
-goog.addDependency('../../core/utils/metrics.js', ['Blockly.utils.Metrics'], [], {});
-goog.addDependency('../../core/utils/object.js', ['Blockly.utils.object'], [], {});
-goog.addDependency('../../core/utils/rect.js', ['Blockly.utils.Rect'], [], {});
-goog.addDependency('../../core/utils/size.js', ['Blockly.utils.Size'], [], {});
-goog.addDependency('../../core/utils/string.js', ['Blockly.utils.string'], [], {});
-goog.addDependency('../../core/utils/style.js', ['Blockly.utils.style'], ['Blockly.utils.Coordinate', 'Blockly.utils.Size'], {});
-goog.addDependency('../../core/utils/svg.js', ['Blockly.utils.Svg'], [], {});
-goog.addDependency('../../core/utils/svg_paths.js', ['Blockly.utils.svgPaths'], [], {});
-goog.addDependency('../../core/utils/toolbox.js', ['Blockly.utils.toolbox'], [], {});
-goog.addDependency('../../core/utils/useragent.js', ['Blockly.utils.userAgent'], ['Blockly.utils.global'], {});
-goog.addDependency('../../core/utils/xml.js', ['Blockly.utils.xml'], [], {});
-goog.addDependency('../../core/variable_events.js', ['Blockly.Events.VarBase', 'Blockly.Events.VarCreate', 'Blockly.Events.VarDelete', 'Blockly.Events.VarRename'], ['Blockly.Events', 'Blockly.Events.Abstract', 'Blockly.registry', 'Blockly.utils.object'], {});
-goog.addDependency('../../core/variable_map.js', ['Blockly.VariableMap'], ['Blockly.Events', 'Blockly.Events.VarDelete', 'Blockly.Events.VarRename', 'Blockly.Msg', 'Blockly.utils', 'Blockly.utils.object'], {});
-goog.addDependency('../../core/variable_model.js', ['Blockly.VariableModel'], ['Blockly.Events', 'Blockly.Events.VarCreate', 'Blockly.utils'], {});
-goog.addDependency('../../core/variables.js', ['Blockly.Variables'], ['Blockly.Blocks', 'Blockly.Msg', 'Blockly.VariableModel', 'Blockly.Xml', 'Blockly.utils', 'Blockly.utils.xml'], {});
-goog.addDependency('../../core/variables_dynamic.js', ['Blockly.VariablesDynamic'], ['Blockly.Blocks', 'Blockly.Msg', 'Blockly.VariableModel', 'Blockly.Variables', 'Blockly.utils.xml'], {});
-goog.addDependency('../../core/warning.js', ['Blockly.Warning'], ['Blockly.Bubble', 'Blockly.Events', 'Blockly.Events.Ui', 'Blockly.Icon', 'Blockly.utils.Svg', 'Blockly.utils.dom', 'Blockly.utils.object'], {});
-goog.addDependency('../../core/widgetdiv.js', ['Blockly.WidgetDiv'], ['Blockly.utils.style'], {});
-goog.addDependency('../../core/workspace.js', ['Blockly.Workspace'], ['Blockly.ConnectionChecker', 'Blockly.Events', 'Blockly.Options', 'Blockly.VariableMap', 'Blockly.utils', 'Blockly.utils.math'], {});
-goog.addDependency('../../core/workspace_audio.js', ['Blockly.WorkspaceAudio'], ['Blockly.utils', 'Blockly.utils.global', 'Blockly.utils.userAgent'], {'lang': 'es5'});
-goog.addDependency('../../core/workspace_comment.js', ['Blockly.WorkspaceComment'], ['Blockly.Events', 'Blockly.Events.CommentChange', 'Blockly.Events.CommentCreate', 'Blockly.Events.CommentDelete', 'Blockly.Events.CommentMove', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.xml'], {});
-goog.addDependency('../../core/workspace_comment_render_svg.js', ['Blockly.WorkspaceCommentSvg.render'], ['Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.Svg', 'Blockly.utils.dom'], {});
-goog.addDependency('../../core/workspace_comment_svg.js', ['Blockly.WorkspaceCommentSvg'], ['Blockly.Css', 'Blockly.Events', 'Blockly.Events.CommentCreate', 'Blockly.Events.CommentDelete', 'Blockly.Events.CommentMove', 'Blockly.Events.Ui', 'Blockly.WorkspaceComment', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.Rect', 'Blockly.utils.Svg', 'Blockly.utils.dom', 'Blockly.utils.object'], {});
-goog.addDependency('../../core/workspace_drag_surface_svg.js', ['Blockly.WorkspaceDragSurfaceSvg'], ['Blockly.utils', 'Blockly.utils.Svg', 'Blockly.utils.dom'], {});
-goog.addDependency('../../core/workspace_dragger.js', ['Blockly.WorkspaceDragger'], ['Blockly.utils.Coordinate'], {});
-goog.addDependency('../../core/workspace_events.js', ['Blockly.Events.FinishedLoading'], ['Blockly.Events', 'Blockly.Events.Ui', 'Blockly.registry', 'Blockly.utils.object'], {'lang': 'es5'});
-goog.addDependency('../../core/workspace_svg.js', ['Blockly.WorkspaceSvg'], ['Blockly.BlockSvg', 'Blockly.ConnectionDB', 'Blockly.ContextMenuRegistry', 'Blockly.Events', 'Blockly.Events.BlockCreate', 'Blockly.Gesture', 'Blockly.Grid', 'Blockly.MarkerManager', 'Blockly.Msg', 'Blockly.Options', 'Blockly.ThemeManager', 'Blockly.Themes.Classic', 'Blockly.TouchGesture', 'Blockly.Workspace', 'Blockly.WorkspaceAudio', 'Blockly.WorkspaceDragSurfaceSvg', 'Blockly.Xml', 'Blockly.blockRendering', 'Blockly.constants', 'Blockly.navigation', 'Blockly.registry', 'Blockly.utils', 'Blockly.utils.Coordinate', 'Blockly.utils.Metrics', 'Blockly.utils.Rect', 'Blockly.utils.Svg', 'Blockly.utils.dom', 'Blockly.utils.object', 'Blockly.utils.toolbox'], {});
-goog.addDependency('../../core/ws_comment_events.js', ['Blockly.Events.CommentBase', 'Blockly.Events.CommentChange', 'Blockly.Events.CommentCreate', 'Blockly.Events.CommentDelete', 'Blockly.Events.CommentMove'], ['Blockly.Events', 'Blockly.Events.Abstract', 'Blockly.registry', 'Blockly.utils.Coordinate', 'Blockly.utils.object', 'Blockly.utils.xml'], {});
-goog.addDependency('../../core/xml.js', ['Blockly.Xml'], ['Blockly.Events', 'Blockly.Events.BlockCreate', 'Blockly.Events.FinishedLoading', 'Blockly.Events.VarCreate', 'Blockly.utils', 'Blockly.utils.dom', 'Blockly.utils.global', 'Blockly.utils.xml'], {});
-goog.addDependency('../../core/zoom_controls.js', ['Blockly.ZoomControls'], ['Blockly.Css', 'Blockly.Scrollbar', 'Blockly.Touch', 'Blockly.utils.Svg', 'Blockly.utils.dom'], {'lang': 'es5'});
-goog.addDependency("base.js", [], []);
-
-// Load Blockly.
-goog.require('Blockly.requires')
-
-delete root.BLOCKLY_DIR;
-delete root.BLOCKLY_BOOT;
-delete root.IS_NODE_JS;
-};
-
-if (this.IS_NODE_JS) {
-  this.BLOCKLY_BOOT(this);
-  module.exports = Blockly;
-} else {
-  document.write('<script src="' + this.BLOCKLY_DIR +
-      '/closure/goog/base.js"></script>');
-  document.write('<script>this.BLOCKLY_BOOT(this);</script>');
-}
diff --git a/blocks/blocks.ts b/blocks/blocks.ts
new file mode 100644
index 00000000000..a9874e54df1
--- /dev/null
+++ b/blocks/blocks.ts
@@ -0,0 +1,44 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.libraryBlocks
+
+import * as lists from './lists.js';
+import * as logic from './logic.js';
+import * as loops from './loops.js';
+import * as math from './math.js';
+import * as procedures from './procedures.js';
+import * as texts from './text.js';
+import * as variables from './variables.js';
+import * as variablesDynamic from './variables_dynamic.js';
+import type {BlockDefinition} from '../core/blocks.js';
+
+export {
+  lists,
+  logic,
+  loops,
+  math,
+  procedures,
+  texts,
+  variables,
+  variablesDynamic,
+};
+
+/**
+ * A dictionary of the block definitions provided by all the
+ * Blockly.libraryBlocks.* modules.
+ */
+export const blocks: {[key: string]: BlockDefinition} = Object.assign(
+  {},
+  lists.blocks,
+  logic.blocks,
+  loops.blocks,
+  math.blocks,
+  procedures.blocks,
+  texts.blocks,
+  variables.blocks,
+  variablesDynamic.blocks,
+);
diff --git a/blocks/colour.js b/blocks/colour.js
deleted file mode 100644
index 9ab3acb9517..00000000000
--- a/blocks/colour.js
+++ /dev/null
@@ -1,122 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Colour blocks for Blockly.
- *
- * This file is scraped to extract a .json file of block definitions. The array
- * passed to defineBlocksWithJsonArray(..) must be strict JSON: double quotes
- * only, no outside references, no functions, no trailing commas, etc. The one
- * exception is end-of-line comments, which the scraper will remove.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Blocks.colour');  // Deprecated
-goog.provide('Blockly.Constants.Colour');
-
-goog.require('Blockly');
-goog.require('Blockly.Blocks');
-goog.require('Blockly.FieldColour');
-goog.require('Blockly.FieldLabel');
-
-
-/**
- * Unused constant for the common HSV hue for all blocks in this category.
- * @deprecated Use Blockly.Msg['COLOUR_HUE']. (2018 April 5)
- */
-Blockly.Constants.Colour.HUE = 20;
-
-Blockly.defineBlocksWithJsonArray([  // BEGIN JSON EXTRACT
-  // Block for colour picker.
-  {
-    "type": "colour_picker",
-    "message0": "%1",
-    "args0": [
-      {
-        "type": "field_colour",
-        "name": "COLOUR",
-        "colour": "#ff0000"
-      }
-    ],
-    "output": "Colour",
-    "helpUrl": "%{BKY_COLOUR_PICKER_HELPURL}",
-    "style": "colour_blocks",
-    "tooltip": "%{BKY_COLOUR_PICKER_TOOLTIP}",
-    "extensions": ["parent_tooltip_when_inline"]
-  },
-
-  // Block for random colour.
-  {
-    "type": "colour_random",
-    "message0": "%{BKY_COLOUR_RANDOM_TITLE}",
-    "output": "Colour",
-    "helpUrl": "%{BKY_COLOUR_RANDOM_HELPURL}",
-    "style": "colour_blocks",
-    "tooltip": "%{BKY_COLOUR_RANDOM_TOOLTIP}"
-  },
-
-  // Block for composing a colour from RGB components.
-  {
-    "type": "colour_rgb",
-    "message0": "%{BKY_COLOUR_RGB_TITLE} %{BKY_COLOUR_RGB_RED} %1 %{BKY_COLOUR_RGB_GREEN} %2 %{BKY_COLOUR_RGB_BLUE} %3",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "RED",
-        "check": "Number",
-        "align": "RIGHT"
-      },
-      {
-        "type": "input_value",
-        "name": "GREEN",
-        "check": "Number",
-        "align": "RIGHT"
-      },
-      {
-        "type": "input_value",
-        "name": "BLUE",
-        "check": "Number",
-        "align": "RIGHT"
-      }
-    ],
-    "output": "Colour",
-    "helpUrl": "%{BKY_COLOUR_RGB_HELPURL}",
-    "style": "colour_blocks",
-    "tooltip": "%{BKY_COLOUR_RGB_TOOLTIP}"
-  },
-
-  // Block for blending two colours together.
-  {
-    "type": "colour_blend",
-    "message0": "%{BKY_COLOUR_BLEND_TITLE} %{BKY_COLOUR_BLEND_COLOUR1} " +
-        "%1 %{BKY_COLOUR_BLEND_COLOUR2} %2 %{BKY_COLOUR_BLEND_RATIO} %3",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "COLOUR1",
-        "check": "Colour",
-        "align": "RIGHT"
-      },
-      {
-        "type": "input_value",
-        "name": "COLOUR2",
-        "check": "Colour",
-        "align": "RIGHT"
-      },
-      {
-        "type": "input_value",
-        "name": "RATIO",
-        "check": "Number",
-        "align": "RIGHT"
-      }
-    ],
-    "output": "Colour",
-    "helpUrl": "%{BKY_COLOUR_BLEND_HELPURL}",
-    "style": "colour_blocks",
-    "tooltip": "%{BKY_COLOUR_BLEND_TOOLTIP}"
-  }
-]);  // END JSON EXTRACT (Do not delete this comment.)
diff --git a/blocks/lists.js b/blocks/lists.js
deleted file mode 100644
index 44167685eae..00000000000
--- a/blocks/lists.js
+++ /dev/null
@@ -1,862 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview List blocks for Blockly.
- *
- * This file is scraped to extract a .json file of block definitions. The array
- * passed to defineBlocksWithJsonArray(..) must be strict JSON: double quotes
- * only, no outside references, no functions, no trailing commas, etc. The one
- * exception is end-of-line comments, which the scraper will remove.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Blocks.lists');  // Deprecated
-goog.provide('Blockly.Constants.Lists');
-
-goog.require('Blockly');
-goog.require('Blockly.Blocks');
-goog.require('Blockly.FieldDropdown');
-goog.require('Blockly.FieldLabel');
-goog.require('Blockly.Mutator');
-
-
-/**
- * Unused constant for the common HSV hue for all blocks in this category.
- * @deprecated Use Blockly.Msg['LISTS_HUE']. (2018 April 5)
- */
-Blockly.Constants.Lists.HUE = 260;
-
-Blockly.defineBlocksWithJsonArray([  // BEGIN JSON EXTRACT
-  // Block for creating an empty list
-  // The 'list_create_with' block is preferred as it is more flexible.
-  // <block type="lists_create_with">
-  //   <mutation items="0"></mutation>
-  // </block>
-  {
-    "type": "lists_create_empty",
-    "message0": "%{BKY_LISTS_CREATE_EMPTY_TITLE}",
-    "output": "Array",
-    "style": "list_blocks",
-    "tooltip": "%{BKY_LISTS_CREATE_EMPTY_TOOLTIP}",
-    "helpUrl": "%{BKY_LISTS_CREATE_EMPTY_HELPURL}"
-  },
-  // Block for creating a list with one element repeated.
-  {
-    "type": "lists_repeat",
-    "message0": "%{BKY_LISTS_REPEAT_TITLE}",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "ITEM"
-      },
-      {
-        "type": "input_value",
-        "name": "NUM",
-        "check": "Number"
-      }
-    ],
-    "output": "Array",
-    "style": "list_blocks",
-    "tooltip": "%{BKY_LISTS_REPEAT_TOOLTIP}",
-    "helpUrl": "%{BKY_LISTS_REPEAT_HELPURL}"
-  },
-  // Block for reversing a list.
-  {
-    "type": "lists_reverse",
-    "message0": "%{BKY_LISTS_REVERSE_MESSAGE0}",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "LIST",
-        "check": "Array"
-      }
-    ],
-    "output": "Array",
-    "inputsInline": true,
-    "style": "list_blocks",
-    "tooltip": "%{BKY_LISTS_REVERSE_TOOLTIP}",
-    "helpUrl": "%{BKY_LISTS_REVERSE_HELPURL}"
-  },
-  // Block for checking if a list is empty
-  {
-    "type": "lists_isEmpty",
-    "message0": "%{BKY_LISTS_ISEMPTY_TITLE}",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "VALUE",
-        "check": ["String", "Array"]
-      }
-    ],
-    "output": "Boolean",
-    "style": "list_blocks",
-    "tooltip": "%{BKY_LISTS_ISEMPTY_TOOLTIP}",
-    "helpUrl": "%{BKY_LISTS_ISEMPTY_HELPURL}"
-  },
-  // Block for getting the list length
-  {
-    "type": "lists_length",
-    "message0": "%{BKY_LISTS_LENGTH_TITLE}",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "VALUE",
-        "check": ["String", "Array"]
-      }
-    ],
-    "output": "Number",
-    "style": "list_blocks",
-    "tooltip": "%{BKY_LISTS_LENGTH_TOOLTIP}",
-    "helpUrl": "%{BKY_LISTS_LENGTH_HELPURL}"
-  }
-]);  // END JSON EXTRACT (Do not delete this comment.)
-
-Blockly.Blocks['lists_create_with'] = {
-  /**
-   * Block for creating a list with any number of elements of any type.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    this.setHelpUrl(Blockly.Msg['LISTS_CREATE_WITH_HELPURL']);
-    this.setStyle('list_blocks');
-    this.itemCount_ = 3;
-    this.updateShape_();
-    this.setOutput(true, 'Array');
-    this.setMutator(new Blockly.Mutator(['lists_create_with_item']));
-    this.setTooltip(Blockly.Msg['LISTS_CREATE_WITH_TOOLTIP']);
-  },
-  /**
-   * Create XML to represent list inputs.
-   * @return {!Element} XML storage element.
-   * @this {Blockly.Block}
-   */
-  mutationToDom: function() {
-    var container = Blockly.utils.xml.createElement('mutation');
-    container.setAttribute('items', this.itemCount_);
-    return container;
-  },
-  /**
-   * Parse XML to restore the list inputs.
-   * @param {!Element} xmlElement XML storage element.
-   * @this {Blockly.Block}
-   */
-  domToMutation: function(xmlElement) {
-    this.itemCount_ = parseInt(xmlElement.getAttribute('items'), 10);
-    this.updateShape_();
-  },
-  /**
-   * Populate the mutator's dialog with this block's components.
-   * @param {!Blockly.Workspace} workspace Mutator's workspace.
-   * @return {!Blockly.Block} Root block in mutator.
-   * @this {Blockly.Block}
-   */
-  decompose: function(workspace) {
-    var containerBlock = workspace.newBlock('lists_create_with_container');
-    containerBlock.initSvg();
-    var connection = containerBlock.getInput('STACK').connection;
-    for (var i = 0; i < this.itemCount_; i++) {
-      var itemBlock = workspace.newBlock('lists_create_with_item');
-      itemBlock.initSvg();
-      connection.connect(itemBlock.previousConnection);
-      connection = itemBlock.nextConnection;
-    }
-    return containerBlock;
-  },
-  /**
-   * Reconfigure this block based on the mutator dialog's components.
-   * @param {!Blockly.Block} containerBlock Root block in mutator.
-   * @this {Blockly.Block}
-   */
-  compose: function(containerBlock) {
-    var itemBlock = containerBlock.getInputTargetBlock('STACK');
-    // Count number of inputs.
-    var connections = [];
-    while (itemBlock) {
-      connections.push(itemBlock.valueConnection_);
-      itemBlock = itemBlock.nextConnection &&
-          itemBlock.nextConnection.targetBlock();
-    }
-    // Disconnect any children that don't belong.
-    for (var i = 0; i < this.itemCount_; i++) {
-      var connection = this.getInput('ADD' + i).connection.targetConnection;
-      if (connection && connections.indexOf(connection) == -1) {
-        connection.disconnect();
-      }
-    }
-    this.itemCount_ = connections.length;
-    this.updateShape_();
-    // Reconnect any child blocks.
-    for (var i = 0; i < this.itemCount_; i++) {
-      Blockly.Mutator.reconnect(connections[i], this, 'ADD' + i);
-    }
-  },
-  /**
-   * Store pointers to any connected child blocks.
-   * @param {!Blockly.Block} containerBlock Root block in mutator.
-   * @this {Blockly.Block}
-   */
-  saveConnections: function(containerBlock) {
-    var itemBlock = containerBlock.getInputTargetBlock('STACK');
-    var i = 0;
-    while (itemBlock) {
-      var input = this.getInput('ADD' + i);
-      itemBlock.valueConnection_ = input && input.connection.targetConnection;
-      i++;
-      itemBlock = itemBlock.nextConnection &&
-          itemBlock.nextConnection.targetBlock();
-    }
-  },
-  /**
-   * Modify this block to have the correct number of inputs.
-   * @private
-   * @this {Blockly.Block}
-   */
-  updateShape_: function() {
-    if (this.itemCount_ && this.getInput('EMPTY')) {
-      this.removeInput('EMPTY');
-    } else if (!this.itemCount_ && !this.getInput('EMPTY')) {
-      this.appendDummyInput('EMPTY')
-          .appendField(Blockly.Msg['LISTS_CREATE_EMPTY_TITLE']);
-    }
-    // Add new inputs.
-    for (var i = 0; i < this.itemCount_; i++) {
-      if (!this.getInput('ADD' + i)) {
-        var input = this.appendValueInput('ADD' + i)
-            .setAlign(Blockly.ALIGN_RIGHT);
-        if (i == 0) {
-          input.appendField(Blockly.Msg['LISTS_CREATE_WITH_INPUT_WITH']);
-        }
-      }
-    }
-    // Remove deleted inputs.
-    while (this.getInput('ADD' + i)) {
-      this.removeInput('ADD' + i);
-      i++;
-    }
-  }
-};
-
-Blockly.Blocks['lists_create_with_container'] = {
-  /**
-   * Mutator block for list container.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    this.setStyle('list_blocks');
-    this.appendDummyInput()
-        .appendField(Blockly.Msg['LISTS_CREATE_WITH_CONTAINER_TITLE_ADD']);
-    this.appendStatementInput('STACK');
-    this.setTooltip(Blockly.Msg['LISTS_CREATE_WITH_CONTAINER_TOOLTIP']);
-    this.contextMenu = false;
-  }
-};
-
-Blockly.Blocks['lists_create_with_item'] = {
-  /**
-   * Mutator block for adding items.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    this.setStyle('list_blocks');
-    this.appendDummyInput()
-        .appendField(Blockly.Msg['LISTS_CREATE_WITH_ITEM_TITLE']);
-    this.setPreviousStatement(true);
-    this.setNextStatement(true);
-    this.setTooltip(Blockly.Msg['LISTS_CREATE_WITH_ITEM_TOOLTIP']);
-    this.contextMenu = false;
-  }
-};
-
-Blockly.Blocks['lists_indexOf'] = {
-  /**
-   * Block for finding an item in the list.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    var OPERATORS =
-        [
-          [Blockly.Msg['LISTS_INDEX_OF_FIRST'], 'FIRST'],
-          [Blockly.Msg['LISTS_INDEX_OF_LAST'], 'LAST']
-        ];
-    this.setHelpUrl(Blockly.Msg['LISTS_INDEX_OF_HELPURL']);
-    this.setStyle('list_blocks');
-    this.setOutput(true, 'Number');
-    this.appendValueInput('VALUE')
-        .setCheck('Array')
-        .appendField(Blockly.Msg['LISTS_INDEX_OF_INPUT_IN_LIST']);
-    this.appendValueInput('FIND')
-        .appendField(new Blockly.FieldDropdown(OPERATORS), 'END');
-    this.setInputsInline(true);
-    // Assign 'this' to a variable for use in the tooltip closure below.
-    var thisBlock = this;
-    this.setTooltip(function() {
-      return Blockly.Msg['LISTS_INDEX_OF_TOOLTIP'].replace('%1',
-          thisBlock.workspace.options.oneBasedIndex ? '0' : '-1');
-    });
-  }
-};
-
-Blockly.Blocks['lists_getIndex'] = {
-  /**
-   * Block for getting element at index.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    var MODE =
-        [
-          [Blockly.Msg['LISTS_GET_INDEX_GET'], 'GET'],
-          [Blockly.Msg['LISTS_GET_INDEX_GET_REMOVE'], 'GET_REMOVE'],
-          [Blockly.Msg['LISTS_GET_INDEX_REMOVE'], 'REMOVE']
-        ];
-    this.WHERE_OPTIONS =
-        [
-          [Blockly.Msg['LISTS_GET_INDEX_FROM_START'], 'FROM_START'],
-          [Blockly.Msg['LISTS_GET_INDEX_FROM_END'], 'FROM_END'],
-          [Blockly.Msg['LISTS_GET_INDEX_FIRST'], 'FIRST'],
-          [Blockly.Msg['LISTS_GET_INDEX_LAST'], 'LAST'],
-          [Blockly.Msg['LISTS_GET_INDEX_RANDOM'], 'RANDOM']
-        ];
-    this.setHelpUrl(Blockly.Msg['LISTS_GET_INDEX_HELPURL']);
-    this.setStyle('list_blocks');
-    var modeMenu = new Blockly.FieldDropdown(MODE, function(value) {
-      var isStatement = (value == 'REMOVE');
-      this.getSourceBlock().updateStatement_(isStatement);
-    });
-    this.appendValueInput('VALUE')
-        .setCheck('Array')
-        .appendField(Blockly.Msg['LISTS_GET_INDEX_INPUT_IN_LIST']);
-    this.appendDummyInput()
-        .appendField(modeMenu, 'MODE')
-        .appendField('', 'SPACE');
-    this.appendDummyInput('AT');
-    if (Blockly.Msg['LISTS_GET_INDEX_TAIL']) {
-      this.appendDummyInput('TAIL')
-          .appendField(Blockly.Msg['LISTS_GET_INDEX_TAIL']);
-    }
-    this.setInputsInline(true);
-    this.setOutput(true);
-    this.updateAt_(true);
-    // Assign 'this' to a variable for use in the tooltip closure below.
-    var thisBlock = this;
-    this.setTooltip(function() {
-      var mode = thisBlock.getFieldValue('MODE');
-      var where = thisBlock.getFieldValue('WHERE');
-      var tooltip = '';
-      switch (mode + ' ' + where) {
-        case 'GET FROM_START':
-        case 'GET FROM_END':
-          tooltip = Blockly.Msg['LISTS_GET_INDEX_TOOLTIP_GET_FROM'];
-          break;
-        case 'GET FIRST':
-          tooltip = Blockly.Msg['LISTS_GET_INDEX_TOOLTIP_GET_FIRST'];
-          break;
-        case 'GET LAST':
-          tooltip = Blockly.Msg['LISTS_GET_INDEX_TOOLTIP_GET_LAST'];
-          break;
-        case 'GET RANDOM':
-          tooltip = Blockly.Msg['LISTS_GET_INDEX_TOOLTIP_GET_RANDOM'];
-          break;
-        case 'GET_REMOVE FROM_START':
-        case 'GET_REMOVE FROM_END':
-          tooltip = Blockly.Msg['LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM'];
-          break;
-        case 'GET_REMOVE FIRST':
-          tooltip = Blockly.Msg['LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST'];
-          break;
-        case 'GET_REMOVE LAST':
-          tooltip = Blockly.Msg['LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST'];
-          break;
-        case 'GET_REMOVE RANDOM':
-          tooltip = Blockly.Msg['LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM'];
-          break;
-        case 'REMOVE FROM_START':
-        case 'REMOVE FROM_END':
-          tooltip = Blockly.Msg['LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM'];
-          break;
-        case 'REMOVE FIRST':
-          tooltip = Blockly.Msg['LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST'];
-          break;
-        case 'REMOVE LAST':
-          tooltip = Blockly.Msg['LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST'];
-          break;
-        case 'REMOVE RANDOM':
-          tooltip = Blockly.Msg['LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM'];
-          break;
-      }
-      if (where == 'FROM_START' || where == 'FROM_END') {
-        var msg = (where == 'FROM_START') ?
-            Blockly.Msg['LISTS_INDEX_FROM_START_TOOLTIP'] :
-            Blockly.Msg['LISTS_INDEX_FROM_END_TOOLTIP'];
-        tooltip += '  ' + msg.replace('%1',
-                thisBlock.workspace.options.oneBasedIndex ? '#1' : '#0');
-      }
-      return tooltip;
-    });
-  },
-  /**
-   * Create XML to represent whether the block is a statement or a value.
-   * Also represent whether there is an 'AT' input.
-   * @return {!Element} XML storage element.
-   * @this {Blockly.Block}
-   */
-  mutationToDom: function() {
-    var container = Blockly.utils.xml.createElement('mutation');
-    var isStatement = !this.outputConnection;
-    container.setAttribute('statement', isStatement);
-    var isAt = this.getInput('AT').type == Blockly.INPUT_VALUE;
-    container.setAttribute('at', isAt);
-    return container;
-  },
-  /**
-   * Parse XML to restore the 'AT' input.
-   * @param {!Element} xmlElement XML storage element.
-   * @this {Blockly.Block}
-   */
-  domToMutation: function(xmlElement) {
-    // Note: Until January 2013 this block did not have mutations,
-    // so 'statement' defaults to false and 'at' defaults to true.
-    var isStatement = (xmlElement.getAttribute('statement') == 'true');
-    this.updateStatement_(isStatement);
-    var isAt = (xmlElement.getAttribute('at') != 'false');
-    this.updateAt_(isAt);
-  },
-  /**
-   * Switch between a value block and a statement block.
-   * @param {boolean} newStatement True if the block should be a statement.
-   *     False if the block should be a value.
-   * @private
-   * @this {Blockly.Block}
-   */
-  updateStatement_: function(newStatement) {
-    var oldStatement = !this.outputConnection;
-    if (newStatement != oldStatement) {
-      this.unplug(true, true);
-      if (newStatement) {
-        this.setOutput(false);
-        this.setPreviousStatement(true);
-        this.setNextStatement(true);
-      } else {
-        this.setPreviousStatement(false);
-        this.setNextStatement(false);
-        this.setOutput(true);
-      }
-    }
-  },
-  /**
-   * Create or delete an input for the numeric index.
-   * @param {boolean} isAt True if the input should exist.
-   * @private
-   * @this {Blockly.Block}
-   */
-  updateAt_: function(isAt) {
-    // Destroy old 'AT' and 'ORDINAL' inputs.
-    this.removeInput('AT');
-    this.removeInput('ORDINAL', true);
-    // Create either a value 'AT' input or a dummy input.
-    if (isAt) {
-      this.appendValueInput('AT').setCheck('Number');
-      if (Blockly.Msg['ORDINAL_NUMBER_SUFFIX']) {
-        this.appendDummyInput('ORDINAL')
-            .appendField(Blockly.Msg['ORDINAL_NUMBER_SUFFIX']);
-      }
-    } else {
-      this.appendDummyInput('AT');
-    }
-    var menu = new Blockly.FieldDropdown(this.WHERE_OPTIONS, function(value) {
-      var newAt = (value == 'FROM_START') || (value == 'FROM_END');
-      // The 'isAt' variable is available due to this function being a closure.
-      if (newAt != isAt) {
-        var block = this.getSourceBlock();
-        block.updateAt_(newAt);
-        // This menu has been destroyed and replaced.  Update the replacement.
-        block.setFieldValue(value, 'WHERE');
-        return null;
-      }
-      return undefined;
-    });
-    this.getInput('AT').appendField(menu, 'WHERE');
-    if (Blockly.Msg['LISTS_GET_INDEX_TAIL']) {
-      this.moveInputBefore('TAIL', null);
-    }
-  }
-};
-
-Blockly.Blocks['lists_setIndex'] = {
-  /**
-   * Block for setting the element at index.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    var MODE =
-        [
-          [Blockly.Msg['LISTS_SET_INDEX_SET'], 'SET'],
-          [Blockly.Msg['LISTS_SET_INDEX_INSERT'], 'INSERT']
-        ];
-    this.WHERE_OPTIONS =
-        [
-          [Blockly.Msg['LISTS_GET_INDEX_FROM_START'], 'FROM_START'],
-          [Blockly.Msg['LISTS_GET_INDEX_FROM_END'], 'FROM_END'],
-          [Blockly.Msg['LISTS_GET_INDEX_FIRST'], 'FIRST'],
-          [Blockly.Msg['LISTS_GET_INDEX_LAST'], 'LAST'],
-          [Blockly.Msg['LISTS_GET_INDEX_RANDOM'], 'RANDOM']
-        ];
-    this.setHelpUrl(Blockly.Msg['LISTS_SET_INDEX_HELPURL']);
-    this.setStyle('list_blocks');
-    this.appendValueInput('LIST')
-        .setCheck('Array')
-        .appendField(Blockly.Msg['LISTS_SET_INDEX_INPUT_IN_LIST']);
-    this.appendDummyInput()
-        .appendField(new Blockly.FieldDropdown(MODE), 'MODE')
-        .appendField('', 'SPACE');
-    this.appendDummyInput('AT');
-    this.appendValueInput('TO')
-        .appendField(Blockly.Msg['LISTS_SET_INDEX_INPUT_TO']);
-    this.setInputsInline(true);
-    this.setPreviousStatement(true);
-    this.setNextStatement(true);
-    this.setTooltip(Blockly.Msg['LISTS_SET_INDEX_TOOLTIP']);
-    this.updateAt_(true);
-    // Assign 'this' to a variable for use in the tooltip closure below.
-    var thisBlock = this;
-    this.setTooltip(function() {
-      var mode = thisBlock.getFieldValue('MODE');
-      var where = thisBlock.getFieldValue('WHERE');
-      var tooltip = '';
-      switch (mode + ' ' + where) {
-        case 'SET FROM_START':
-        case 'SET FROM_END':
-          tooltip = Blockly.Msg['LISTS_SET_INDEX_TOOLTIP_SET_FROM'];
-          break;
-        case 'SET FIRST':
-          tooltip = Blockly.Msg['LISTS_SET_INDEX_TOOLTIP_SET_FIRST'];
-          break;
-        case 'SET LAST':
-          tooltip = Blockly.Msg['LISTS_SET_INDEX_TOOLTIP_SET_LAST'];
-          break;
-        case 'SET RANDOM':
-          tooltip = Blockly.Msg['LISTS_SET_INDEX_TOOLTIP_SET_RANDOM'];
-          break;
-        case 'INSERT FROM_START':
-        case 'INSERT FROM_END':
-          tooltip = Blockly.Msg['LISTS_SET_INDEX_TOOLTIP_INSERT_FROM'];
-          break;
-        case 'INSERT FIRST':
-          tooltip = Blockly.Msg['LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST'];
-          break;
-        case 'INSERT LAST':
-          tooltip = Blockly.Msg['LISTS_SET_INDEX_TOOLTIP_INSERT_LAST'];
-          break;
-        case 'INSERT RANDOM':
-          tooltip = Blockly.Msg['LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM'];
-          break;
-      }
-      if (where == 'FROM_START' || where == 'FROM_END') {
-        tooltip += '  ' + Blockly.Msg['LISTS_INDEX_FROM_START_TOOLTIP']
-            .replace('%1',
-                thisBlock.workspace.options.oneBasedIndex ? '#1' : '#0');
-      }
-      return tooltip;
-    });
-  },
-  /**
-   * Create XML to represent whether there is an 'AT' input.
-   * @return {!Element} XML storage element.
-   * @this {Blockly.Block}
-   */
-  mutationToDom: function() {
-    var container = Blockly.utils.xml.createElement('mutation');
-    var isAt = this.getInput('AT').type == Blockly.INPUT_VALUE;
-    container.setAttribute('at', isAt);
-    return container;
-  },
-  /**
-   * Parse XML to restore the 'AT' input.
-   * @param {!Element} xmlElement XML storage element.
-   * @this {Blockly.Block}
-   */
-  domToMutation: function(xmlElement) {
-    // Note: Until January 2013 this block did not have mutations,
-    // so 'at' defaults to true.
-    var isAt = (xmlElement.getAttribute('at') != 'false');
-    this.updateAt_(isAt);
-  },
-  /**
-   * Create or delete an input for the numeric index.
-   * @param {boolean} isAt True if the input should exist.
-   * @private
-   * @this {Blockly.Block}
-   */
-  updateAt_: function(isAt) {
-    // Destroy old 'AT' and 'ORDINAL' input.
-    this.removeInput('AT');
-    this.removeInput('ORDINAL', true);
-    // Create either a value 'AT' input or a dummy input.
-    if (isAt) {
-      this.appendValueInput('AT').setCheck('Number');
-      if (Blockly.Msg['ORDINAL_NUMBER_SUFFIX']) {
-        this.appendDummyInput('ORDINAL')
-            .appendField(Blockly.Msg['ORDINAL_NUMBER_SUFFIX']);
-      }
-    } else {
-      this.appendDummyInput('AT');
-    }
-    var menu = new Blockly.FieldDropdown(this.WHERE_OPTIONS, function(value) {
-      var newAt = (value == 'FROM_START') || (value == 'FROM_END');
-      // The 'isAt' variable is available due to this function being a closure.
-      if (newAt != isAt) {
-        var block = this.getSourceBlock();
-        block.updateAt_(newAt);
-        // This menu has been destroyed and replaced.  Update the replacement.
-        block.setFieldValue(value, 'WHERE');
-        return null;
-      }
-      return undefined;
-    });
-    this.moveInputBefore('AT', 'TO');
-    if (this.getInput('ORDINAL')) {
-      this.moveInputBefore('ORDINAL', 'TO');
-    }
-
-    this.getInput('AT').appendField(menu, 'WHERE');
-  }
-};
-
-Blockly.Blocks['lists_getSublist'] = {
-  /**
-   * Block for getting sublist.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    this['WHERE_OPTIONS_1'] =
-        [
-          [Blockly.Msg['LISTS_GET_SUBLIST_START_FROM_START'], 'FROM_START'],
-          [Blockly.Msg['LISTS_GET_SUBLIST_START_FROM_END'], 'FROM_END'],
-          [Blockly.Msg['LISTS_GET_SUBLIST_START_FIRST'], 'FIRST']
-        ];
-    this['WHERE_OPTIONS_2'] =
-        [
-          [Blockly.Msg['LISTS_GET_SUBLIST_END_FROM_START'], 'FROM_START'],
-          [Blockly.Msg['LISTS_GET_SUBLIST_END_FROM_END'], 'FROM_END'],
-          [Blockly.Msg['LISTS_GET_SUBLIST_END_LAST'], 'LAST']
-        ];
-    this.setHelpUrl(Blockly.Msg['LISTS_GET_SUBLIST_HELPURL']);
-    this.setStyle('list_blocks');
-    this.appendValueInput('LIST')
-        .setCheck('Array')
-        .appendField(Blockly.Msg['LISTS_GET_SUBLIST_INPUT_IN_LIST']);
-    this.appendDummyInput('AT1');
-    this.appendDummyInput('AT2');
-    if (Blockly.Msg['LISTS_GET_SUBLIST_TAIL']) {
-      this.appendDummyInput('TAIL')
-          .appendField(Blockly.Msg['LISTS_GET_SUBLIST_TAIL']);
-    }
-    this.setInputsInline(true);
-    this.setOutput(true, 'Array');
-    this.updateAt_(1, true);
-    this.updateAt_(2, true);
-    this.setTooltip(Blockly.Msg['LISTS_GET_SUBLIST_TOOLTIP']);
-  },
-  /**
-   * Create XML to represent whether there are 'AT' inputs.
-   * @return {!Element} XML storage element.
-   * @this {Blockly.Block}
-   */
-  mutationToDom: function() {
-    var container = Blockly.utils.xml.createElement('mutation');
-    var isAt1 = this.getInput('AT1').type == Blockly.INPUT_VALUE;
-    container.setAttribute('at1', isAt1);
-    var isAt2 = this.getInput('AT2').type == Blockly.INPUT_VALUE;
-    container.setAttribute('at2', isAt2);
-    return container;
-  },
-  /**
-   * Parse XML to restore the 'AT' inputs.
-   * @param {!Element} xmlElement XML storage element.
-   * @this {Blockly.Block}
-   */
-  domToMutation: function(xmlElement) {
-    var isAt1 = (xmlElement.getAttribute('at1') == 'true');
-    var isAt2 = (xmlElement.getAttribute('at2') == 'true');
-    this.updateAt_(1, isAt1);
-    this.updateAt_(2, isAt2);
-  },
-  /**
-   * Create or delete an input for a numeric index.
-   * This block has two such inputs, independent of each other.
-   * @param {number} n Specify first or second input (1 or 2).
-   * @param {boolean} isAt True if the input should exist.
-   * @private
-   * @this {Blockly.Block}
-   */
-  updateAt_: function(n, isAt) {
-    // Create or delete an input for the numeric index.
-    // Destroy old 'AT' and 'ORDINAL' inputs.
-    this.removeInput('AT' + n);
-    this.removeInput('ORDINAL' + n, true);
-    // Create either a value 'AT' input or a dummy input.
-    if (isAt) {
-      this.appendValueInput('AT' + n).setCheck('Number');
-      if (Blockly.Msg['ORDINAL_NUMBER_SUFFIX']) {
-        this.appendDummyInput('ORDINAL' + n)
-            .appendField(Blockly.Msg['ORDINAL_NUMBER_SUFFIX']);
-      }
-    } else {
-      this.appendDummyInput('AT' + n);
-    }
-    var menu = new Blockly.FieldDropdown(this['WHERE_OPTIONS_' + n],
-        function(value) {
-          var newAt = (value == 'FROM_START') || (value == 'FROM_END');
-          // The 'isAt' variable is available due to this function being a
-          // closure.
-          if (newAt != isAt) {
-            var block = this.getSourceBlock();
-            block.updateAt_(n, newAt);
-            // This menu has been destroyed and replaced.
-            // Update the replacement.
-            block.setFieldValue(value, 'WHERE' + n);
-            return null;
-          }
-        });
-    this.getInput('AT' + n)
-        .appendField(menu, 'WHERE' + n);
-    if (n == 1) {
-      this.moveInputBefore('AT1', 'AT2');
-      if (this.getInput('ORDINAL1')) {
-        this.moveInputBefore('ORDINAL1', 'AT2');
-      }
-    }
-    if (Blockly.Msg['LISTS_GET_SUBLIST_TAIL']) {
-      this.moveInputBefore('TAIL', null);
-    }
-  }
-};
-
-Blockly.Blocks['lists_sort'] = {
-  /**
-   * Block for sorting a list.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    this.jsonInit({
-      "message0": Blockly.Msg['LISTS_SORT_TITLE'],
-      "args0": [
-        {
-          "type": "field_dropdown",
-          "name": "TYPE",
-          "options": [
-            [Blockly.Msg['LISTS_SORT_TYPE_NUMERIC'], "NUMERIC"],
-            [Blockly.Msg['LISTS_SORT_TYPE_TEXT'], "TEXT"],
-            [Blockly.Msg['LISTS_SORT_TYPE_IGNORECASE'], "IGNORE_CASE"]
-          ]
-        },
-        {
-          "type": "field_dropdown",
-          "name": "DIRECTION",
-          "options": [
-            [Blockly.Msg['LISTS_SORT_ORDER_ASCENDING'], "1"],
-            [Blockly.Msg['LISTS_SORT_ORDER_DESCENDING'], "-1"]
-          ]
-        },
-        {
-          "type": "input_value",
-          "name": "LIST",
-          "check": "Array"
-        }
-      ],
-      "output": "Array",
-      "style": "list_blocks",
-      "tooltip": Blockly.Msg['LISTS_SORT_TOOLTIP'],
-      "helpUrl": Blockly.Msg['LISTS_SORT_HELPURL']
-    });
-  }
-};
-
-Blockly.Blocks['lists_split'] = {
-  /**
-   * Block for splitting text into a list, or joining a list into text.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    // Assign 'this' to a variable for use in the closures below.
-    var thisBlock = this;
-    var dropdown = new Blockly.FieldDropdown(
-        [
-          [Blockly.Msg['LISTS_SPLIT_LIST_FROM_TEXT'], 'SPLIT'],
-          [Blockly.Msg['LISTS_SPLIT_TEXT_FROM_LIST'], 'JOIN']
-        ],
-        function(newMode) {
-          thisBlock.updateType_(newMode);
-        });
-    this.setHelpUrl(Blockly.Msg['LISTS_SPLIT_HELPURL']);
-    this.setStyle('list_blocks');
-    this.appendValueInput('INPUT')
-        .setCheck('String')
-        .appendField(dropdown, 'MODE');
-    this.appendValueInput('DELIM')
-        .setCheck('String')
-        .appendField(Blockly.Msg['LISTS_SPLIT_WITH_DELIMITER']);
-    this.setInputsInline(true);
-    this.setOutput(true, 'Array');
-    this.setTooltip(function() {
-      var mode = thisBlock.getFieldValue('MODE');
-      if (mode == 'SPLIT') {
-        return Blockly.Msg['LISTS_SPLIT_TOOLTIP_SPLIT'];
-      } else if (mode == 'JOIN') {
-        return Blockly.Msg['LISTS_SPLIT_TOOLTIP_JOIN'];
-      }
-      throw Error('Unknown mode: ' + mode);
-    });
-  },
-  /**
-   * Modify this block to have the correct input and output types.
-   * @param {string} newMode Either 'SPLIT' or 'JOIN'.
-   * @private
-   * @this {Blockly.Block}
-   */
-  updateType_: function(newMode) {
-    var mode = this.getFieldValue('MODE');
-    if (mode != newMode) {
-      var inputConnection = this.getInput('INPUT').connection;
-      inputConnection.setShadowDom(null);
-      var inputBlock = inputConnection.targetBlock();
-      if (inputBlock) {
-        inputConnection.disconnect();
-        if (inputBlock.isShadow()) {
-          inputBlock.dispose();
-        } else {
-          this.bumpNeighbours();
-        }
-      }
-    }
-    if (newMode == 'SPLIT') {
-      this.outputConnection.setCheck('Array');
-      this.getInput('INPUT').setCheck('String');
-    } else {
-      this.outputConnection.setCheck('String');
-      this.getInput('INPUT').setCheck('Array');
-    }
-  },
-  /**
-   * Create XML to represent the input and output types.
-   * @return {!Element} XML storage element.
-   * @this {Blockly.Block}
-   */
-  mutationToDom: function() {
-    var container = Blockly.utils.xml.createElement('mutation');
-    container.setAttribute('mode', this.getFieldValue('MODE'));
-    return container;
-  },
-  /**
-   * Parse XML to restore the input and output types.
-   * @param {!Element} xmlElement XML storage element.
-   * @this {Blockly.Block}
-   */
-  domToMutation: function(xmlElement) {
-    this.updateType_(xmlElement.getAttribute('mode'));
-  }
-};
diff --git a/blocks/lists.ts b/blocks/lists.ts
new file mode 100644
index 00000000000..3b468dc9d21
--- /dev/null
+++ b/blocks/lists.ts
@@ -0,0 +1,1085 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.libraryBlocks.lists
+
+import * as fieldRegistry from '../core/field_registry.js';
+import * as xmlUtils from '../core/utils/xml.js';
+import {Align} from '../core/inputs/align.js';
+import type {Block} from '../core/block.js';
+import type {Connection} from '../core/connection.js';
+import type {BlockSvg} from '../core/block_svg.js';
+import type {FieldDropdown} from '../core/field_dropdown.js';
+import {Msg} from '../core/msg.js';
+import {MutatorIcon} from '../core/icons/mutator_icon.js';
+import type {Workspace} from '../core/workspace.js';
+import {
+  createBlockDefinitionsFromJsonArray,
+  defineBlocks,
+} from '../core/common.js';
+import '../core/field_dropdown.js';
+import {ValueInput} from '../core/inputs/value_input.js';
+
+/**
+ * A dictionary of the block definitions provided by this module.
+ */
+export const blocks = createBlockDefinitionsFromJsonArray([
+  // Block for creating an empty list
+  // The 'list_create_with' block is preferred as it is more flexible.
+  // <block type="lists_create_with">
+  //   <mutation items="0"></mutation>
+  // </block>
+  {
+    'type': 'lists_create_empty',
+    'message0': '%{BKY_LISTS_CREATE_EMPTY_TITLE}',
+    'output': 'Array',
+    'style': 'list_blocks',
+    'tooltip': '%{BKY_LISTS_CREATE_EMPTY_TOOLTIP}',
+    'helpUrl': '%{BKY_LISTS_CREATE_EMPTY_HELPURL}',
+  },
+  // Block for creating a list with one element repeated.
+  {
+    'type': 'lists_repeat',
+    'message0': '%{BKY_LISTS_REPEAT_TITLE}',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'ITEM',
+      },
+      {
+        'type': 'input_value',
+        'name': 'NUM',
+        'check': 'Number',
+      },
+    ],
+    'output': 'Array',
+    'style': 'list_blocks',
+    'tooltip': '%{BKY_LISTS_REPEAT_TOOLTIP}',
+    'helpUrl': '%{BKY_LISTS_REPEAT_HELPURL}',
+  },
+  // Block for reversing a list.
+  {
+    'type': 'lists_reverse',
+    'message0': '%{BKY_LISTS_REVERSE_MESSAGE0}',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'LIST',
+        'check': 'Array',
+      },
+    ],
+    'output': 'Array',
+    'inputsInline': true,
+    'style': 'list_blocks',
+    'tooltip': '%{BKY_LISTS_REVERSE_TOOLTIP}',
+    'helpUrl': '%{BKY_LISTS_REVERSE_HELPURL}',
+  },
+  // Block for checking if a list is empty
+  {
+    'type': 'lists_isEmpty',
+    'message0': '%{BKY_LISTS_ISEMPTY_TITLE}',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'VALUE',
+        'check': ['String', 'Array'],
+      },
+    ],
+    'output': 'Boolean',
+    'style': 'list_blocks',
+    'tooltip': '%{BKY_LISTS_ISEMPTY_TOOLTIP}',
+    'helpUrl': '%{BKY_LISTS_ISEMPTY_HELPURL}',
+  },
+  // Block for getting the list length
+  {
+    'type': 'lists_length',
+    'message0': '%{BKY_LISTS_LENGTH_TITLE}',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'VALUE',
+        'check': ['String', 'Array'],
+      },
+    ],
+    'output': 'Number',
+    'style': 'list_blocks',
+    'tooltip': '%{BKY_LISTS_LENGTH_TOOLTIP}',
+    'helpUrl': '%{BKY_LISTS_LENGTH_HELPURL}',
+  },
+]);
+
+/**
+ * Type of a 'lists_create_with' block.
+ *
+ * @internal
+ */
+export type CreateWithBlock = Block & ListCreateWithMixin;
+interface ListCreateWithMixin extends ListCreateWithMixinType {
+  itemCount_: number;
+}
+type ListCreateWithMixinType = typeof LISTS_CREATE_WITH;
+
+const LISTS_CREATE_WITH = {
+  /**
+   * Block for creating a list with any number of elements of any type.
+   */
+  init: function (this: CreateWithBlock) {
+    this.setHelpUrl(Msg['LISTS_CREATE_WITH_HELPURL']);
+    this.setStyle('list_blocks');
+    this.itemCount_ = 3;
+    this.updateShape_();
+    this.setOutput(true, 'Array');
+    this.setMutator(
+      new MutatorIcon(['lists_create_with_item'], this as unknown as BlockSvg),
+    ); // BUG(#6905)
+    this.setTooltip(Msg['LISTS_CREATE_WITH_TOOLTIP']);
+  },
+  /**
+   * Create XML to represent list inputs.
+   * Backwards compatible serialization implementation.
+   */
+  mutationToDom: function (this: CreateWithBlock): Element {
+    const container = xmlUtils.createElement('mutation');
+    container.setAttribute('items', String(this.itemCount_));
+    return container;
+  },
+  /**
+   * Parse XML to restore the list inputs.
+   * Backwards compatible serialization implementation.
+   *
+   * @param xmlElement XML storage element.
+   */
+  domToMutation: function (this: CreateWithBlock, xmlElement: Element) {
+    const items = xmlElement.getAttribute('items');
+    if (!items) throw new TypeError('element did not have items');
+    this.itemCount_ = parseInt(items, 10);
+    this.updateShape_();
+  },
+  /**
+   * Returns the state of this block as a JSON serializable object.
+   *
+   * @returns The state of this block, ie the item count.
+   */
+  saveExtraState: function (this: CreateWithBlock): {itemCount: number} {
+    return {
+      'itemCount': this.itemCount_,
+    };
+  },
+  /**
+   * Applies the given state to this block.
+   *
+   * @param state The state to apply to this block, ie the item count.
+   */
+  loadExtraState: function (this: CreateWithBlock, state: AnyDuringMigration) {
+    this.itemCount_ = state['itemCount'];
+    this.updateShape_();
+  },
+  /**
+   * Populate the mutator's dialog with this block's components.
+   *
+   * @param workspace Mutator's workspace.
+   * @returns Root block in mutator.
+   */
+  decompose: function (
+    this: CreateWithBlock,
+    workspace: Workspace,
+  ): ContainerBlock {
+    const containerBlock = workspace.newBlock(
+      'lists_create_with_container',
+    ) as ContainerBlock;
+    (containerBlock as BlockSvg).initSvg();
+    let connection = containerBlock.getInput('STACK')!.connection;
+    for (let i = 0; i < this.itemCount_; i++) {
+      const itemBlock = workspace.newBlock(
+        'lists_create_with_item',
+      ) as ItemBlock;
+      (itemBlock as BlockSvg).initSvg();
+      if (!itemBlock.previousConnection) {
+        throw new Error('itemBlock has no previousConnection');
+      }
+      connection!.connect(itemBlock.previousConnection);
+      connection = itemBlock.nextConnection;
+    }
+    return containerBlock;
+  },
+  /**
+   * Reconfigure this block based on the mutator dialog's components.
+   *
+   * @param containerBlock Root block in mutator.
+   */
+  compose: function (this: CreateWithBlock, containerBlock: Block) {
+    let itemBlock: ItemBlock | null = containerBlock.getInputTargetBlock(
+      'STACK',
+    ) as ItemBlock;
+    // Count number of inputs.
+    const connections: Connection[] = [];
+    while (itemBlock) {
+      if (itemBlock.isInsertionMarker()) {
+        itemBlock = itemBlock.getNextBlock() as ItemBlock | null;
+        continue;
+      }
+      connections.push(itemBlock.valueConnection_ as Connection);
+      itemBlock = itemBlock.getNextBlock() as ItemBlock | null;
+    }
+    // Disconnect any children that don't belong.
+    for (let i = 0; i < this.itemCount_; i++) {
+      const connection = this.getInput('ADD' + i)!.connection!.targetConnection;
+      if (connection && !connections.includes(connection)) {
+        connection.disconnect();
+      }
+    }
+    this.itemCount_ = connections.length;
+    this.updateShape_();
+    // Reconnect any child blocks.
+    for (let i = 0; i < this.itemCount_; i++) {
+      connections[i]?.reconnect(this, 'ADD' + i);
+    }
+  },
+  /**
+   * Store pointers to any connected child blocks.
+   *
+   * @param containerBlock Root block in mutator.
+   */
+  saveConnections: function (this: CreateWithBlock, containerBlock: Block) {
+    let itemBlock: ItemBlock | null = containerBlock.getInputTargetBlock(
+      'STACK',
+    ) as ItemBlock;
+    let i = 0;
+    while (itemBlock) {
+      if (itemBlock.isInsertionMarker()) {
+        itemBlock = itemBlock.getNextBlock() as ItemBlock | null;
+        continue;
+      }
+      const input = this.getInput('ADD' + i);
+      itemBlock.valueConnection_ = input?.connection!
+        .targetConnection as Connection;
+      itemBlock = itemBlock.getNextBlock() as ItemBlock | null;
+      i++;
+    }
+  },
+  /**
+   * Modify this block to have the correct number of inputs.
+   */
+  updateShape_: function (this: CreateWithBlock) {
+    if (this.itemCount_ && this.getInput('EMPTY')) {
+      this.removeInput('EMPTY');
+    } else if (!this.itemCount_ && !this.getInput('EMPTY')) {
+      this.appendDummyInput('EMPTY').appendField(
+        Msg['LISTS_CREATE_EMPTY_TITLE'],
+      );
+    }
+    // Add new inputs.
+    for (let i = 0; i < this.itemCount_; i++) {
+      if (!this.getInput('ADD' + i)) {
+        const input = this.appendValueInput('ADD' + i).setAlign(Align.RIGHT);
+        if (i === 0) {
+          input.appendField(Msg['LISTS_CREATE_WITH_INPUT_WITH']);
+        }
+      }
+    }
+    // Remove deleted inputs.
+    for (let i = this.itemCount_; this.getInput('ADD' + i); i++) {
+      this.removeInput('ADD' + i);
+    }
+  },
+};
+blocks['lists_create_with'] = LISTS_CREATE_WITH;
+
+/** Type for a 'lists_create_with_container' block. */
+type ContainerBlock = Block & ContainerMutator;
+interface ContainerMutator extends ContainerMutatorType {}
+type ContainerMutatorType = typeof LISTS_CREATE_WITH_CONTAINER;
+
+const LISTS_CREATE_WITH_CONTAINER = {
+  /**
+   * Mutator block for list container.
+   */
+  init: function (this: ContainerBlock) {
+    this.setStyle('list_blocks');
+    this.appendDummyInput().appendField(
+      Msg['LISTS_CREATE_WITH_CONTAINER_TITLE_ADD'],
+    );
+    this.appendStatementInput('STACK');
+    this.setTooltip(Msg['LISTS_CREATE_WITH_CONTAINER_TOOLTIP']);
+    this.contextMenu = false;
+  },
+};
+blocks['lists_create_with_container'] = LISTS_CREATE_WITH_CONTAINER;
+
+/** Type for a 'lists_create_with_item' block. */
+type ItemBlock = Block & ItemMutator;
+interface ItemMutator extends ItemMutatorType {
+  valueConnection_?: Connection;
+}
+type ItemMutatorType = typeof LISTS_CREATE_WITH_ITEM;
+
+const LISTS_CREATE_WITH_ITEM = {
+  /**
+   * Mutator block for adding items.
+   */
+  init: function (this: ItemBlock) {
+    this.setStyle('list_blocks');
+    this.appendDummyInput().appendField(Msg['LISTS_CREATE_WITH_ITEM_TITLE']);
+    this.setPreviousStatement(true);
+    this.setNextStatement(true);
+    this.setTooltip(Msg['LISTS_CREATE_WITH_ITEM_TOOLTIP']);
+    this.contextMenu = false;
+  },
+};
+blocks['lists_create_with_item'] = LISTS_CREATE_WITH_ITEM;
+
+/** Type for a 'lists_indexOf' block. */
+type IndexOfBlock = Block & IndexOfMutator;
+interface IndexOfMutator extends IndexOfMutatorType {}
+type IndexOfMutatorType = typeof LISTS_INDEXOF;
+
+const LISTS_INDEXOF = {
+  /**
+   * Block for finding an item in the list.
+   */
+  init: function (this: IndexOfBlock) {
+    const OPERATORS = [
+      [Msg['LISTS_INDEX_OF_FIRST'], 'FIRST'],
+      [Msg['LISTS_INDEX_OF_LAST'], 'LAST'],
+    ];
+    this.setHelpUrl(Msg['LISTS_INDEX_OF_HELPURL']);
+    this.setStyle('list_blocks');
+    this.setOutput(true, 'Number');
+    this.appendValueInput('VALUE')
+      .setCheck('Array')
+      .appendField(Msg['LISTS_INDEX_OF_INPUT_IN_LIST']);
+    const operatorsDropdown = fieldRegistry.fromJson({
+      type: 'field_dropdown',
+      options: OPERATORS,
+    });
+    if (!operatorsDropdown) throw new Error('field_dropdown not found');
+    this.appendValueInput('FIND').appendField(operatorsDropdown, 'END');
+    this.setInputsInline(true);
+    this.setTooltip(() => {
+      return Msg['LISTS_INDEX_OF_TOOLTIP'].replace(
+        '%1',
+        this.workspace.options.oneBasedIndex ? '0' : '-1',
+      );
+    });
+  },
+};
+blocks['lists_indexOf'] = LISTS_INDEXOF;
+
+/** Type for a 'lists_getIndex' block. */
+type GetIndexBlock = Block & GetIndexMutator;
+interface GetIndexMutator extends GetIndexMutatorType {
+  WHERE_OPTIONS: Array<[string, string]>;
+}
+type GetIndexMutatorType = typeof LISTS_GETINDEX;
+
+const LISTS_GETINDEX = {
+  /**
+   * Block for getting element at index.
+   */
+  init: function (this: GetIndexBlock) {
+    const MODE = [
+      [Msg['LISTS_GET_INDEX_GET'], 'GET'],
+      [Msg['LISTS_GET_INDEX_GET_REMOVE'], 'GET_REMOVE'],
+      [Msg['LISTS_GET_INDEX_REMOVE'], 'REMOVE'],
+    ];
+    this.WHERE_OPTIONS = [
+      [Msg['LISTS_GET_INDEX_FROM_START'], 'FROM_START'],
+      [Msg['LISTS_GET_INDEX_FROM_END'], 'FROM_END'],
+      [Msg['LISTS_GET_INDEX_FIRST'], 'FIRST'],
+      [Msg['LISTS_GET_INDEX_LAST'], 'LAST'],
+      [Msg['LISTS_GET_INDEX_RANDOM'], 'RANDOM'],
+    ];
+    this.setHelpUrl(Msg['LISTS_GET_INDEX_HELPURL']);
+    this.setStyle('list_blocks');
+    const modeMenu = fieldRegistry.fromJson({
+      type: 'field_dropdown',
+      options: MODE,
+    }) as FieldDropdown;
+    modeMenu.setValidator(
+      /** @param value The input value. */
+      function (this: FieldDropdown, value: string) {
+        const isStatement = value === 'REMOVE';
+        (this.getSourceBlock() as GetIndexBlock).updateStatement_(isStatement);
+        return undefined;
+      },
+    );
+    this.appendValueInput('VALUE')
+      .setCheck('Array')
+      .appendField(Msg['LISTS_GET_INDEX_INPUT_IN_LIST']);
+    this.appendDummyInput()
+      .appendField(modeMenu, 'MODE')
+      .appendField('', 'SPACE');
+    this.appendDummyInput('AT');
+    if (Msg['LISTS_GET_INDEX_TAIL']) {
+      this.appendDummyInput('TAIL').appendField(Msg['LISTS_GET_INDEX_TAIL']);
+    }
+    this.setInputsInline(true);
+    this.setOutput(true);
+    this.updateAt_(true);
+    this.setTooltip(() => {
+      const mode = this.getFieldValue('MODE');
+      const where = this.getFieldValue('WHERE');
+      let tooltip = '';
+      switch (mode + ' ' + where) {
+        case 'GET FROM_START':
+        case 'GET FROM_END':
+          tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_FROM'];
+          break;
+        case 'GET FIRST':
+          tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_FIRST'];
+          break;
+        case 'GET LAST':
+          tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_LAST'];
+          break;
+        case 'GET RANDOM':
+          tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_RANDOM'];
+          break;
+        case 'GET_REMOVE FROM_START':
+        case 'GET_REMOVE FROM_END':
+          tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM'];
+          break;
+        case 'GET_REMOVE FIRST':
+          tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST'];
+          break;
+        case 'GET_REMOVE LAST':
+          tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST'];
+          break;
+        case 'GET_REMOVE RANDOM':
+          tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM'];
+          break;
+        case 'REMOVE FROM_START':
+        case 'REMOVE FROM_END':
+          tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM'];
+          break;
+        case 'REMOVE FIRST':
+          tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST'];
+          break;
+        case 'REMOVE LAST':
+          tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST'];
+          break;
+        case 'REMOVE RANDOM':
+          tooltip = Msg['LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM'];
+          break;
+      }
+      if (where === 'FROM_START' || where === 'FROM_END') {
+        const msg =
+          where === 'FROM_START'
+            ? Msg['LISTS_INDEX_FROM_START_TOOLTIP']
+            : Msg['LISTS_INDEX_FROM_END_TOOLTIP'];
+        tooltip +=
+          '  ' +
+          msg.replace('%1', this.workspace.options.oneBasedIndex ? '#1' : '#0');
+      }
+      return tooltip;
+    });
+  },
+  /**
+   * Create XML to represent whether the block is a statement or a value.
+   * Also represent whether there is an 'AT' input.
+   *
+   * @returns XML storage element.
+   */
+  mutationToDom: function (this: GetIndexBlock): Element {
+    const container = xmlUtils.createElement('mutation');
+    const isStatement = !this.outputConnection;
+    container.setAttribute('statement', String(isStatement));
+    const isAt = this.getInput('AT') instanceof ValueInput;
+    container.setAttribute('at', String(isAt));
+    return container;
+  },
+  /**
+   * Parse XML to restore the 'AT' input.
+   *
+   * @param xmlElement XML storage element.
+   */
+  domToMutation: function (this: GetIndexBlock, xmlElement: Element) {
+    // Note: Until January 2013 this block did not have mutations,
+    // so 'statement' defaults to false and 'at' defaults to true.
+    const isStatement = xmlElement.getAttribute('statement') === 'true';
+    this.updateStatement_(isStatement);
+    const isAt = xmlElement.getAttribute('at') !== 'false';
+    this.updateAt_(isAt);
+  },
+  /**
+   * Returns the state of this block as a JSON serializable object.
+   * Returns null for efficiency if no state is needed (not a statement)
+   *
+   * @returns The state of this block, ie whether it's a statement.
+   */
+  saveExtraState: function (this: GetIndexBlock): {
+    isStatement: boolean;
+  } | null {
+    if (!this.outputConnection) {
+      return {
+        isStatement: true,
+      };
+    }
+    return null;
+  },
+
+  /**
+   * Applies the given state to this block.
+   *
+   * @param state The state to apply to this block, ie whether it's a
+   *     statement.
+   */
+  loadExtraState: function (this: GetIndexBlock, state: AnyDuringMigration) {
+    if (state['isStatement']) {
+      this.updateStatement_(true);
+    } else if (typeof state === 'string') {
+      // backward compatible for json serialised mutations
+      this.domToMutation(xmlUtils.textToDom(state));
+    }
+  },
+
+  /**
+   * Switch between a value block and a statement block.
+   *
+   * @param newStatement True if the block should be a statement.
+   *     False if the block should be a value.
+   */
+  updateStatement_: function (this: GetIndexBlock, newStatement: boolean) {
+    const oldStatement = !this.outputConnection;
+    if (newStatement !== oldStatement) {
+      // TODO(#6920): The .unplug only has one parameter.
+      (this.unplug as (arg0?: boolean, arg1?: boolean) => void)(true, true);
+      if (newStatement) {
+        this.setOutput(false);
+        this.setPreviousStatement(true);
+        this.setNextStatement(true);
+      } else {
+        this.setPreviousStatement(false);
+        this.setNextStatement(false);
+        this.setOutput(true);
+      }
+    }
+  },
+  /**
+   * Create or delete an input for the numeric index.
+   *
+   * @param isAt True if the input should exist.
+   */
+  updateAt_: function (this: GetIndexBlock, isAt: boolean) {
+    // Destroy old 'AT' and 'ORDINAL' inputs.
+    this.removeInput('AT');
+    this.removeInput('ORDINAL', true);
+    // Create either a value 'AT' input or a dummy input.
+    if (isAt) {
+      this.appendValueInput('AT').setCheck('Number');
+      if (Msg['ORDINAL_NUMBER_SUFFIX']) {
+        this.appendDummyInput('ORDINAL').appendField(
+          Msg['ORDINAL_NUMBER_SUFFIX'],
+        );
+      }
+    } else {
+      this.appendDummyInput('AT');
+    }
+    const menu = fieldRegistry.fromJson({
+      type: 'field_dropdown',
+      options: this.WHERE_OPTIONS,
+    }) as FieldDropdown;
+    menu.setValidator(
+      /**
+       * @param value The input value.
+       * @returns Null if the field has been replaced; otherwise undefined.
+       */
+      function (this: FieldDropdown, value: string) {
+        const newAt = value === 'FROM_START' || value === 'FROM_END';
+        // The 'isAt' variable is available due to this function being a
+        // closure.
+        if (newAt !== isAt) {
+          const block = this.getSourceBlock() as GetIndexBlock;
+          block.updateAt_(newAt);
+          // This menu has been destroyed and replaced.  Update the
+          // replacement.
+          block.setFieldValue(value, 'WHERE');
+          return null;
+        }
+        return undefined;
+      },
+    );
+    this.getInput('AT')!.appendField(menu, 'WHERE');
+    if (Msg['LISTS_GET_INDEX_TAIL']) {
+      this.moveInputBefore('TAIL', null);
+    }
+  },
+};
+blocks['lists_getIndex'] = LISTS_GETINDEX;
+
+/** Type for a 'lists_setIndex' block. */
+type SetIndexBlock = Block & SetIndexMutator;
+interface SetIndexMutator extends SetIndexMutatorType {
+  WHERE_OPTIONS: Array<[string, string]>;
+}
+type SetIndexMutatorType = typeof LISTS_SETINDEX;
+
+const LISTS_SETINDEX = {
+  /**
+   * Block for setting the element at index.
+   */
+  init: function (this: SetIndexBlock) {
+    const MODE = [
+      [Msg['LISTS_SET_INDEX_SET'], 'SET'],
+      [Msg['LISTS_SET_INDEX_INSERT'], 'INSERT'],
+    ];
+    this.WHERE_OPTIONS = [
+      [Msg['LISTS_GET_INDEX_FROM_START'], 'FROM_START'],
+      [Msg['LISTS_GET_INDEX_FROM_END'], 'FROM_END'],
+      [Msg['LISTS_GET_INDEX_FIRST'], 'FIRST'],
+      [Msg['LISTS_GET_INDEX_LAST'], 'LAST'],
+      [Msg['LISTS_GET_INDEX_RANDOM'], 'RANDOM'],
+    ];
+    this.setHelpUrl(Msg['LISTS_SET_INDEX_HELPURL']);
+    this.setStyle('list_blocks');
+    this.appendValueInput('LIST')
+      .setCheck('Array')
+      .appendField(Msg['LISTS_SET_INDEX_INPUT_IN_LIST']);
+    const operationDropdown = fieldRegistry.fromJson({
+      type: 'field_dropdown',
+      options: MODE,
+    }) as FieldDropdown;
+    this.appendDummyInput()
+      .appendField(operationDropdown, 'MODE')
+      .appendField('', 'SPACE');
+    this.appendDummyInput('AT');
+    this.appendValueInput('TO').appendField(Msg['LISTS_SET_INDEX_INPUT_TO']);
+    this.setInputsInline(true);
+    this.setPreviousStatement(true);
+    this.setNextStatement(true);
+    this.setTooltip(Msg['LISTS_SET_INDEX_TOOLTIP']);
+    this.updateAt_(true);
+    this.setTooltip(() => {
+      const mode = this.getFieldValue('MODE');
+      const where = this.getFieldValue('WHERE');
+      let tooltip = '';
+      switch (mode + ' ' + where) {
+        case 'SET FROM_START':
+        case 'SET FROM_END':
+          tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_SET_FROM'];
+          break;
+        case 'SET FIRST':
+          tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_SET_FIRST'];
+          break;
+        case 'SET LAST':
+          tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_SET_LAST'];
+          break;
+        case 'SET RANDOM':
+          tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_SET_RANDOM'];
+          break;
+        case 'INSERT FROM_START':
+        case 'INSERT FROM_END':
+          tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_INSERT_FROM'];
+          break;
+        case 'INSERT FIRST':
+          tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST'];
+          break;
+        case 'INSERT LAST':
+          tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_INSERT_LAST'];
+          break;
+        case 'INSERT RANDOM':
+          tooltip = Msg['LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM'];
+          break;
+      }
+      if (where === 'FROM_START' || where === 'FROM_END') {
+        tooltip +=
+          '  ' +
+          Msg['LISTS_INDEX_FROM_START_TOOLTIP'].replace(
+            '%1',
+            this.workspace.options.oneBasedIndex ? '#1' : '#0',
+          );
+      }
+      return tooltip;
+    });
+  },
+  /**
+   * Create XML to represent whether there is an 'AT' input.
+   *
+   * @returns XML storage element.
+   */
+  mutationToDom: function (this: SetIndexBlock): Element {
+    const container = xmlUtils.createElement('mutation');
+    const isAt = this.getInput('AT') instanceof ValueInput;
+    container.setAttribute('at', String(isAt));
+    return container;
+  },
+  /**
+   * Parse XML to restore the 'AT' input.
+   *
+   * @param xmlElement XML storage element.
+   */
+  domToMutation: function (this: SetIndexBlock, xmlElement: Element) {
+    // Note: Until January 2013 this block did not have mutations,
+    // so 'at' defaults to true.
+    const isAt = xmlElement.getAttribute('at') !== 'false';
+    this.updateAt_(isAt);
+  },
+
+  /**
+   * Returns the state of this block as a JSON serializable object.
+   * This block does not need to serialize any specific state as it is already
+   * encoded in the dropdown values, but must have an implementation to avoid
+   * the backward compatible XML mutations being serialized.
+   *
+   * @returns The state of this block.
+   */
+  saveExtraState: function (this: SetIndexBlock): null {
+    return null;
+  },
+
+  /**
+   * Applies the given state to this block.
+   * No extra state is needed or expected as it is already encoded in the
+   * dropdown values.
+   */
+  loadExtraState: function (this: SetIndexBlock) {},
+
+  /**
+   * Create or delete an input for the numeric index.
+   *
+   * @param isAt True if the input should exist.
+   */
+  updateAt_: function (this: SetIndexBlock, isAt: boolean) {
+    // Destroy old 'AT' and 'ORDINAL' input.
+    this.removeInput('AT');
+    this.removeInput('ORDINAL', true);
+    // Create either a value 'AT' input or a dummy input.
+    if (isAt) {
+      this.appendValueInput('AT').setCheck('Number');
+      if (Msg['ORDINAL_NUMBER_SUFFIX']) {
+        this.appendDummyInput('ORDINAL').appendField(
+          Msg['ORDINAL_NUMBER_SUFFIX'],
+        );
+      }
+    } else {
+      this.appendDummyInput('AT');
+    }
+    const menu = fieldRegistry.fromJson({
+      type: 'field_dropdown',
+      options: this.WHERE_OPTIONS,
+    }) as FieldDropdown;
+    menu.setValidator(
+      /**
+       * @param value The input value.
+       * @returns Null if the field has been replaced; otherwise undefined.
+       */
+      function (this: FieldDropdown, value: string) {
+        const newAt = value === 'FROM_START' || value === 'FROM_END';
+        // The 'isAt' variable is available due to this function being a
+        // closure.
+        if (newAt !== isAt) {
+          const block = this.getSourceBlock() as SetIndexBlock;
+          block.updateAt_(newAt);
+          // This menu has been destroyed and replaced.  Update the
+          // replacement.
+          block.setFieldValue(value, 'WHERE');
+          return null;
+        }
+        return undefined;
+      },
+    );
+    this.moveInputBefore('AT', 'TO');
+    if (this.getInput('ORDINAL')) {
+      this.moveInputBefore('ORDINAL', 'TO');
+    }
+
+    this.getInput('AT')!.appendField(menu, 'WHERE');
+  },
+};
+blocks['lists_setIndex'] = LISTS_SETINDEX;
+
+/** Type for a 'lists_getSublist' block. */
+type GetSublistBlock = Block & GetSublistMutator;
+interface GetSublistMutator extends GetSublistMutatorType {
+  WHERE_OPTIONS_1: Array<[string, string]>;
+  WHERE_OPTIONS_2: Array<[string, string]>;
+}
+type GetSublistMutatorType = typeof LISTS_GETSUBLIST;
+
+const LISTS_GETSUBLIST = {
+  /**
+   * Block for getting sublist.
+   */
+  init: function (this: GetSublistBlock) {
+    this['WHERE_OPTIONS_1'] = [
+      [Msg['LISTS_GET_SUBLIST_START_FROM_START'], 'FROM_START'],
+      [Msg['LISTS_GET_SUBLIST_START_FROM_END'], 'FROM_END'],
+      [Msg['LISTS_GET_SUBLIST_START_FIRST'], 'FIRST'],
+    ];
+    this['WHERE_OPTIONS_2'] = [
+      [Msg['LISTS_GET_SUBLIST_END_FROM_START'], 'FROM_START'],
+      [Msg['LISTS_GET_SUBLIST_END_FROM_END'], 'FROM_END'],
+      [Msg['LISTS_GET_SUBLIST_END_LAST'], 'LAST'],
+    ];
+    this.setHelpUrl(Msg['LISTS_GET_SUBLIST_HELPURL']);
+    this.setStyle('list_blocks');
+    this.appendValueInput('LIST')
+      .setCheck('Array')
+      .appendField(Msg['LISTS_GET_SUBLIST_INPUT_IN_LIST']);
+    this.appendDummyInput('AT1');
+    this.appendDummyInput('AT2');
+    if (Msg['LISTS_GET_SUBLIST_TAIL']) {
+      this.appendDummyInput('TAIL').appendField(Msg['LISTS_GET_SUBLIST_TAIL']);
+    }
+    this.setInputsInline(true);
+    this.setOutput(true, 'Array');
+    this.updateAt_(1, true);
+    this.updateAt_(2, true);
+    this.setTooltip(Msg['LISTS_GET_SUBLIST_TOOLTIP']);
+  },
+  /**
+   * Create XML to represent whether there are 'AT' inputs.
+   *
+   * @returns XML storage element.
+   */
+  mutationToDom: function (this: GetSublistBlock): Element {
+    const container = xmlUtils.createElement('mutation');
+    const isAt1 = this.getInput('AT1') instanceof ValueInput;
+    container.setAttribute('at1', String(isAt1));
+    const isAt2 = this.getInput('AT2') instanceof ValueInput;
+    container.setAttribute('at2', String(isAt2));
+    return container;
+  },
+  /**
+   * Parse XML to restore the 'AT' inputs.
+   *
+   * @param xmlElement XML storage element.
+   */
+  domToMutation: function (this: GetSublistBlock, xmlElement: Element) {
+    const isAt1 = xmlElement.getAttribute('at1') === 'true';
+    const isAt2 = xmlElement.getAttribute('at2') === 'true';
+    this.updateAt_(1, isAt1);
+    this.updateAt_(2, isAt2);
+  },
+
+  /**
+   * Returns the state of this block as a JSON serializable object.
+   * This block does not need to serialize any specific state as it is already
+   * encoded in the dropdown values, but must have an implementation to avoid
+   * the backward compatible XML mutations being serialized.
+   *
+   * @returns The state of this block.
+   */
+  saveExtraState: function (this: GetSublistBlock): null {
+    return null;
+  },
+
+  /**
+   * Applies the given state to this block.
+   * No extra state is needed or expected as it is already encoded in the
+   * dropdown values.
+   */
+  loadExtraState: function (this: GetSublistBlock) {},
+
+  /**
+   * Create or delete an input for a numeric index.
+   * This block has two such inputs, independent of each other.
+   *
+   * @param n Specify first or second input (1 or 2).
+   * @param isAt True if the input should exist.
+   */
+  updateAt_: function (this: GetSublistBlock, n: 1 | 2, isAt: boolean) {
+    // Create or delete an input for the numeric index.
+    // Destroy old 'AT' and 'ORDINAL' inputs.
+    this.removeInput('AT' + n);
+    this.removeInput('ORDINAL' + n, true);
+    // Create either a value 'AT' input or a dummy input.
+    if (isAt) {
+      this.appendValueInput('AT' + n).setCheck('Number');
+      if (Msg['ORDINAL_NUMBER_SUFFIX']) {
+        this.appendDummyInput('ORDINAL' + n).appendField(
+          Msg['ORDINAL_NUMBER_SUFFIX'],
+        );
+      }
+    } else {
+      this.appendDummyInput('AT' + n);
+    }
+    const menu = fieldRegistry.fromJson({
+      type: 'field_dropdown',
+      options:
+        this[('WHERE_OPTIONS_' + n) as 'WHERE_OPTIONS_1' | 'WHERE_OPTIONS_2'],
+    }) as FieldDropdown;
+    menu.setValidator(
+      /**
+       * @param value The input value.
+       * @returns Null if the field has been replaced; otherwise undefined.
+       */
+      function (this: FieldDropdown, value: string) {
+        const newAt = value === 'FROM_START' || value === 'FROM_END';
+        // The 'isAt' variable is available due to this function being a
+        // closure.
+        if (newAt !== isAt) {
+          const block = this.getSourceBlock() as GetSublistBlock;
+          block.updateAt_(n, newAt);
+          // This menu has been destroyed and replaced.
+          // Update the replacement.
+          block.setFieldValue(value, 'WHERE' + n);
+          return null;
+        }
+      },
+    );
+    this.getInput('AT' + n)!.appendField(menu, 'WHERE' + n);
+    if (n === 1) {
+      this.moveInputBefore('AT1', 'AT2');
+      if (this.getInput('ORDINAL1')) {
+        this.moveInputBefore('ORDINAL1', 'AT2');
+      }
+    }
+    if (Msg['LISTS_GET_SUBLIST_TAIL']) {
+      this.moveInputBefore('TAIL', null);
+    }
+  },
+};
+blocks['lists_getSublist'] = LISTS_GETSUBLIST;
+
+type SortBlock = Block | (typeof blocks)['lists_sort'];
+
+blocks['lists_sort'] = {
+  /**
+   * Block for sorting a list.
+   */
+  init: function (this: SortBlock) {
+    this.jsonInit({
+      'message0': '%{BKY_LISTS_SORT_TITLE}',
+      'args0': [
+        {
+          'type': 'field_dropdown',
+          'name': 'TYPE',
+          'options': [
+            ['%{BKY_LISTS_SORT_TYPE_NUMERIC}', 'NUMERIC'],
+            ['%{BKY_LISTS_SORT_TYPE_TEXT}', 'TEXT'],
+            ['%{BKY_LISTS_SORT_TYPE_IGNORECASE}', 'IGNORE_CASE'],
+          ],
+        },
+        {
+          'type': 'field_dropdown',
+          'name': 'DIRECTION',
+          'options': [
+            ['%{BKY_LISTS_SORT_ORDER_ASCENDING}', '1'],
+            ['%{BKY_LISTS_SORT_ORDER_DESCENDING}', '-1'],
+          ],
+        },
+        {
+          'type': 'input_value',
+          'name': 'LIST',
+          'check': 'Array',
+        },
+      ],
+      'output': 'Array',
+      'style': 'list_blocks',
+      'tooltip': '%{BKY_LISTS_SORT_TOOLTIP}',
+      'helpUrl': '%{BKY_LISTS_SORT_HELPURL}',
+    });
+  },
+};
+
+type SplitBlock = Block | (typeof blocks)['lists_split'];
+
+blocks['lists_split'] = {
+  /**
+   * Block for splitting text into a list, or joining a list into text.
+   */
+  init: function (this: SplitBlock) {
+    const dropdown = fieldRegistry.fromJson({
+      type: 'field_dropdown',
+      options: [
+        [Msg['LISTS_SPLIT_LIST_FROM_TEXT'], 'SPLIT'],
+        [Msg['LISTS_SPLIT_TEXT_FROM_LIST'], 'JOIN'],
+      ],
+    });
+    if (!dropdown) throw new Error('field_dropdown not found');
+    dropdown.setValidator((newMode) => {
+      this.updateType_(newMode);
+    });
+    this.setHelpUrl(Msg['LISTS_SPLIT_HELPURL']);
+    this.setStyle('list_blocks');
+    this.appendValueInput('INPUT')
+      .setCheck('String')
+      .appendField(dropdown, 'MODE');
+    this.appendValueInput('DELIM')
+      .setCheck('String')
+      .appendField(Msg['LISTS_SPLIT_WITH_DELIMITER']);
+    this.setInputsInline(true);
+    this.setOutput(true, 'Array');
+    this.setTooltip(() => {
+      const mode = this.getFieldValue('MODE');
+      if (mode === 'SPLIT') {
+        return Msg['LISTS_SPLIT_TOOLTIP_SPLIT'];
+      } else if (mode === 'JOIN') {
+        return Msg['LISTS_SPLIT_TOOLTIP_JOIN'];
+      }
+      throw Error('Unknown mode: ' + mode);
+    });
+  },
+  /**
+   * Modify this block to have the correct input and output types.
+   *
+   * @param newMode Either 'SPLIT' or 'JOIN'.
+   */
+  updateType_: function (this: SplitBlock, newMode: string) {
+    const mode = this.getFieldValue('MODE');
+    if (mode !== newMode) {
+      const inputConnection = this.getInput('INPUT')!.connection;
+      inputConnection!.setShadowDom(null);
+      const inputBlock = inputConnection!.targetBlock();
+      // TODO(#6920): This is probably not needed; see details in bug.
+      if (inputBlock) {
+        inputConnection!.disconnect();
+        if (inputBlock.isShadow()) {
+          inputBlock.dispose(false);
+        } else {
+          this.bumpNeighbours();
+        }
+      }
+    }
+    if (newMode === 'SPLIT') {
+      this.outputConnection!.setCheck('Array');
+      this.getInput('INPUT')!.setCheck('String');
+    } else {
+      this.outputConnection!.setCheck('String');
+      this.getInput('INPUT')!.setCheck('Array');
+    }
+  },
+  /**
+   * Create XML to represent the input and output types.
+   *
+   * @returns XML storage element.
+   */
+  mutationToDom: function (this: SplitBlock): Element {
+    const container = xmlUtils.createElement('mutation');
+    container.setAttribute('mode', this.getFieldValue('MODE'));
+    return container;
+  },
+  /**
+   * Parse XML to restore the input and output types.
+   *
+   * @param xmlElement XML storage element.
+   */
+  domToMutation: function (this: SplitBlock, xmlElement: Element) {
+    this.updateType_(xmlElement.getAttribute('mode'));
+  },
+
+  /**
+   * Returns the state of this block as a JSON serializable object.
+   * This block does not need to serialize any specific state as it is already
+   * encoded in the dropdown values, but must have an implementation to avoid
+   * the backward compatible XML mutations being serialized.
+   *
+   * @returns The state of this block.
+   */
+  saveExtraState: function (this: SplitBlock): null {
+    return null;
+  },
+
+  /**
+   * Applies the given state to this block.
+   * No extra state is needed or expected as it is already encoded in the
+   * dropdown values.
+   */
+  loadExtraState: function (this: SplitBlock) {},
+};
+
+// Register provided blocks.
+defineBlocks(blocks);
diff --git a/blocks/logic.js b/blocks/logic.js
deleted file mode 100644
index afec94d3fa6..00000000000
--- a/blocks/logic.js
+++ /dev/null
@@ -1,635 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Logic blocks for Blockly.
- *
- * This file is scraped to extract a .json file of block definitions. The array
- * passed to defineBlocksWithJsonArray(..) must be strict JSON: double quotes
- * only, no outside references, no functions, no trailing commas, etc. The one
- * exception is end-of-line comments, which the scraper will remove.
- * @author q.neutron@gmail.com (Quynh Neutron)
- */
-'use strict';
-
-goog.provide('Blockly.Blocks.logic');  // Deprecated
-goog.provide('Blockly.Constants.Logic');
-
-goog.require('Blockly');
-goog.require('Blockly.Blocks');
-goog.require('Blockly.FieldDropdown');
-goog.require('Blockly.FieldLabel');
-goog.require('Blockly.Mutator');
-
-
-/**
- * Unused constant for the common HSV hue for all blocks in this category.
- * @deprecated Use Blockly.Msg['LOGIC_HUE']. (2018 April 5)
- */
-Blockly.Constants.Logic.HUE = 210;
-
-Blockly.defineBlocksWithJsonArray([  // BEGIN JSON EXTRACT
-  // Block for boolean data type: true and false.
-  {
-    "type": "logic_boolean",
-    "message0": "%1",
-    "args0": [
-      {
-        "type": "field_dropdown",
-        "name": "BOOL",
-        "options": [
-          ["%{BKY_LOGIC_BOOLEAN_TRUE}", "TRUE"],
-          ["%{BKY_LOGIC_BOOLEAN_FALSE}", "FALSE"]
-        ]
-      }
-    ],
-    "output": "Boolean",
-    "style": "logic_blocks",
-    "tooltip": "%{BKY_LOGIC_BOOLEAN_TOOLTIP}",
-    "helpUrl": "%{BKY_LOGIC_BOOLEAN_HELPURL}"
-  },
-  // Block for if/elseif/else condition.
-  {
-    "type": "controls_if",
-    "message0": "%{BKY_CONTROLS_IF_MSG_IF} %1",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "IF0",
-        "check": "Boolean"
-      }
-    ],
-    "message1": "%{BKY_CONTROLS_IF_MSG_THEN} %1",
-    "args1": [
-      {
-        "type": "input_statement",
-        "name": "DO0"
-      }
-    ],
-    "previousStatement": null,
-    "nextStatement": null,
-    "style": "logic_blocks",
-    "helpUrl": "%{BKY_CONTROLS_IF_HELPURL}",
-    "mutator": "controls_if_mutator",
-    "extensions": ["controls_if_tooltip"]
-  },
-  // If/else block that does not use a mutator.
-  {
-    "type": "controls_ifelse",
-    "message0": "%{BKY_CONTROLS_IF_MSG_IF} %1",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "IF0",
-        "check": "Boolean"
-      }
-    ],
-    "message1": "%{BKY_CONTROLS_IF_MSG_THEN} %1",
-    "args1": [
-      {
-        "type": "input_statement",
-        "name": "DO0"
-      }
-    ],
-    "message2": "%{BKY_CONTROLS_IF_MSG_ELSE} %1",
-    "args2": [
-      {
-        "type": "input_statement",
-        "name": "ELSE"
-      }
-    ],
-    "previousStatement": null,
-    "nextStatement": null,
-    "style": "logic_blocks",
-    "tooltip": "%{BKYCONTROLS_IF_TOOLTIP_2}",
-    "helpUrl": "%{BKY_CONTROLS_IF_HELPURL}",
-    "extensions": ["controls_if_tooltip"]
-  },
-  // Block for comparison operator.
-  {
-    "type": "logic_compare",
-    "message0": "%1 %2 %3",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "A"
-      },
-      {
-        "type": "field_dropdown",
-        "name": "OP",
-        "options": [
-          ["=", "EQ"],
-          ["\u2260", "NEQ"],
-          ["\u200F<", "LT"],
-          ["\u200F\u2264", "LTE"],
-          ["\u200F>", "GT"],
-          ["\u200F\u2265", "GTE"]
-        ]
-      },
-      {
-        "type": "input_value",
-        "name": "B"
-      }
-    ],
-    "inputsInline": true,
-    "output": "Boolean",
-    "style": "logic_blocks",
-    "helpUrl": "%{BKY_LOGIC_COMPARE_HELPURL}",
-    "extensions": ["logic_compare", "logic_op_tooltip"]
-  },
-  // Block for logical operations: 'and', 'or'.
-  {
-    "type": "logic_operation",
-    "message0": "%1 %2 %3",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "A",
-        "check": "Boolean"
-      },
-      {
-        "type": "field_dropdown",
-        "name": "OP",
-        "options": [
-          ["%{BKY_LOGIC_OPERATION_AND}", "AND"],
-          ["%{BKY_LOGIC_OPERATION_OR}", "OR"]
-        ]
-      },
-      {
-        "type": "input_value",
-        "name": "B",
-        "check": "Boolean"
-      }
-    ],
-    "inputsInline": true,
-    "output": "Boolean",
-    "style": "logic_blocks",
-    "helpUrl": "%{BKY_LOGIC_OPERATION_HELPURL}",
-    "extensions": ["logic_op_tooltip"]
-  },
-  // Block for negation.
-  {
-    "type": "logic_negate",
-    "message0": "%{BKY_LOGIC_NEGATE_TITLE}",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "BOOL",
-        "check": "Boolean"
-      }
-    ],
-    "output": "Boolean",
-    "style": "logic_blocks",
-    "tooltip": "%{BKY_LOGIC_NEGATE_TOOLTIP}",
-    "helpUrl": "%{BKY_LOGIC_NEGATE_HELPURL}"
-  },
-  // Block for null data type.
-  {
-    "type": "logic_null",
-    "message0": "%{BKY_LOGIC_NULL}",
-    "output": null,
-    "style": "logic_blocks",
-    "tooltip": "%{BKY_LOGIC_NULL_TOOLTIP}",
-    "helpUrl": "%{BKY_LOGIC_NULL_HELPURL}"
-  },
-  // Block for ternary operator.
-  {
-    "type": "logic_ternary",
-    "message0": "%{BKY_LOGIC_TERNARY_CONDITION} %1",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "IF",
-        "check": "Boolean"
-      }
-    ],
-    "message1": "%{BKY_LOGIC_TERNARY_IF_TRUE} %1",
-    "args1": [
-      {
-        "type": "input_value",
-        "name": "THEN"
-      }
-    ],
-    "message2": "%{BKY_LOGIC_TERNARY_IF_FALSE} %1",
-    "args2": [
-      {
-        "type": "input_value",
-        "name": "ELSE"
-      }
-    ],
-    "output": null,
-    "style": "logic_blocks",
-    "tooltip": "%{BKY_LOGIC_TERNARY_TOOLTIP}",
-    "helpUrl": "%{BKY_LOGIC_TERNARY_HELPURL}",
-    "extensions": ["logic_ternary"]
-  }
-]);  // END JSON EXTRACT (Do not delete this comment.)
-
-Blockly.defineBlocksWithJsonArray([ // Mutator blocks. Do not extract.
-  // Block representing the if statement in the controls_if mutator.
-  {
-    "type": "controls_if_if",
-    "message0": "%{BKY_CONTROLS_IF_IF_TITLE_IF}",
-    "nextStatement": null,
-    "enableContextMenu": false,
-    "style": "logic_blocks",
-    "tooltip": "%{BKY_CONTROLS_IF_IF_TOOLTIP}"
-  },
-  // Block representing the else-if statement in the controls_if mutator.
-  {
-    "type": "controls_if_elseif",
-    "message0": "%{BKY_CONTROLS_IF_ELSEIF_TITLE_ELSEIF}",
-    "previousStatement": null,
-    "nextStatement": null,
-    "enableContextMenu": false,
-    "style": "logic_blocks",
-    "tooltip": "%{BKY_CONTROLS_IF_ELSEIF_TOOLTIP}"
-  },
-  // Block representing the else statement in the controls_if mutator.
-  {
-    "type": "controls_if_else",
-    "message0": "%{BKY_CONTROLS_IF_ELSE_TITLE_ELSE}",
-    "previousStatement": null,
-    "enableContextMenu": false,
-    "style": "logic_blocks",
-    "tooltip": "%{BKY_CONTROLS_IF_ELSE_TOOLTIP}"
-  }
-]);
-
-/**
- * Tooltip text, keyed by block OP value. Used by logic_compare and
- * logic_operation blocks.
- * @see {Blockly.Extensions#buildTooltipForDropdown}
- * @package
- * @readonly
- */
-Blockly.Constants.Logic.TOOLTIPS_BY_OP = {
-  // logic_compare
-  'EQ': '%{BKY_LOGIC_COMPARE_TOOLTIP_EQ}',
-  'NEQ': '%{BKY_LOGIC_COMPARE_TOOLTIP_NEQ}',
-  'LT': '%{BKY_LOGIC_COMPARE_TOOLTIP_LT}',
-  'LTE': '%{BKY_LOGIC_COMPARE_TOOLTIP_LTE}',
-  'GT': '%{BKY_LOGIC_COMPARE_TOOLTIP_GT}',
-  'GTE': '%{BKY_LOGIC_COMPARE_TOOLTIP_GTE}',
-
-  // logic_operation
-  'AND': '%{BKY_LOGIC_OPERATION_TOOLTIP_AND}',
-  'OR': '%{BKY_LOGIC_OPERATION_TOOLTIP_OR}'
-};
-
-Blockly.Extensions.register('logic_op_tooltip',
-    Blockly.Extensions.buildTooltipForDropdown(
-        'OP', Blockly.Constants.Logic.TOOLTIPS_BY_OP));
-
-/**
- * Mutator methods added to controls_if blocks.
- * @mixin
- * @augments Blockly.Block
- * @package
- * @readonly
- */
-Blockly.Constants.Logic.CONTROLS_IF_MUTATOR_MIXIN = {
-  elseifCount_: 0,
-  elseCount_: 0,
-
-  /**
-   * Don't automatically add STATEMENT_PREFIX and STATEMENT_SUFFIX to generated
-   * code.  These will be handled manually in this block's generators.
-   */
-  suppressPrefixSuffix: true,
-
-  /**
-   * Create XML to represent the number of else-if and else inputs.
-   * @return {Element} XML storage element.
-   * @this {Blockly.Block}
-   */
-  mutationToDom: function() {
-    if (!this.elseifCount_ && !this.elseCount_) {
-      return null;
-    }
-    var container = Blockly.utils.xml.createElement('mutation');
-    if (this.elseifCount_) {
-      container.setAttribute('elseif', this.elseifCount_);
-    }
-    if (this.elseCount_) {
-      container.setAttribute('else', 1);
-    }
-    return container;
-  },
-  /**
-   * Parse XML to restore the else-if and else inputs.
-   * @param {!Element} xmlElement XML storage element.
-   * @this {Blockly.Block}
-   */
-  domToMutation: function(xmlElement) {
-    this.elseifCount_ = parseInt(xmlElement.getAttribute('elseif'), 10) || 0;
-    this.elseCount_ = parseInt(xmlElement.getAttribute('else'), 10) || 0;
-    this.rebuildShape_();
-  },
-  /**
-   * Populate the mutator's dialog with this block's components.
-   * @param {!Blockly.Workspace} workspace Mutator's workspace.
-   * @return {!Blockly.Block} Root block in mutator.
-   * @this {Blockly.Block}
-   */
-  decompose: function(workspace) {
-    var containerBlock = workspace.newBlock('controls_if_if');
-    containerBlock.initSvg();
-    var connection = containerBlock.nextConnection;
-    for (var i = 1; i <= this.elseifCount_; i++) {
-      var elseifBlock = workspace.newBlock('controls_if_elseif');
-      elseifBlock.initSvg();
-      connection.connect(elseifBlock.previousConnection);
-      connection = elseifBlock.nextConnection;
-    }
-    if (this.elseCount_) {
-      var elseBlock = workspace.newBlock('controls_if_else');
-      elseBlock.initSvg();
-      connection.connect(elseBlock.previousConnection);
-    }
-    return containerBlock;
-  },
-  /**
-   * Reconfigure this block based on the mutator dialog's components.
-   * @param {!Blockly.Block} containerBlock Root block in mutator.
-   * @this {Blockly.Block}
-   */
-  compose: function(containerBlock) {
-    var clauseBlock = containerBlock.nextConnection.targetBlock();
-    // Count number of inputs.
-    this.elseifCount_ = 0;
-    this.elseCount_ = 0;
-    var valueConnections = [null];
-    var statementConnections = [null];
-    var elseStatementConnection = null;
-    while (clauseBlock) {
-      switch (clauseBlock.type) {
-        case 'controls_if_elseif':
-          this.elseifCount_++;
-          valueConnections.push(clauseBlock.valueConnection_);
-          statementConnections.push(clauseBlock.statementConnection_);
-          break;
-        case 'controls_if_else':
-          this.elseCount_++;
-          elseStatementConnection = clauseBlock.statementConnection_;
-          break;
-        default:
-          throw TypeError('Unknown block type: ' + clauseBlock.type);
-      }
-      clauseBlock = clauseBlock.nextConnection &&
-          clauseBlock.nextConnection.targetBlock();
-    }
-    this.updateShape_();
-    // Reconnect any child blocks.
-    this.reconnectChildBlocks_(valueConnections, statementConnections,
-        elseStatementConnection);
-  },
-  /**
-   * Store pointers to any connected child blocks.
-   * @param {!Blockly.Block} containerBlock Root block in mutator.
-   * @this {Blockly.Block}
-   */
-  saveConnections: function(containerBlock) {
-    var clauseBlock = containerBlock.nextConnection.targetBlock();
-    var i = 1;
-    while (clauseBlock) {
-      switch (clauseBlock.type) {
-        case 'controls_if_elseif':
-          var inputIf = this.getInput('IF' + i);
-          var inputDo = this.getInput('DO' + i);
-          clauseBlock.valueConnection_ =
-              inputIf && inputIf.connection.targetConnection;
-          clauseBlock.statementConnection_ =
-              inputDo && inputDo.connection.targetConnection;
-          i++;
-          break;
-        case 'controls_if_else':
-          var inputDo = this.getInput('ELSE');
-          clauseBlock.statementConnection_ =
-              inputDo && inputDo.connection.targetConnection;
-          break;
-        default:
-          throw TypeError('Unknown block type: ' + clauseBlock.type);
-      }
-      clauseBlock = clauseBlock.nextConnection &&
-          clauseBlock.nextConnection.targetBlock();
-    }
-  },
-  /**
-   * Reconstructs the block with all child blocks attached.
-   * @this {Blockly.Block}
-   */
-  rebuildShape_: function() {
-    var valueConnections = [null];
-    var statementConnections = [null];
-    var elseStatementConnection = null;
-
-    if (this.getInput('ELSE')) {
-      elseStatementConnection = this.getInput('ELSE').connection.targetConnection;
-    }
-    var i = 1;
-    while (this.getInput('IF' + i)) {
-      var inputIf = this.getInput('IF' + i);
-      var inputDo = this.getInput('DO' + i);
-      valueConnections.push(inputIf.connection.targetConnection);
-      statementConnections.push(inputDo.connection.targetConnection);
-      i++;
-    }
-    this.updateShape_();
-    this.reconnectChildBlocks_(valueConnections, statementConnections,
-        elseStatementConnection);
-  },
-  /**
-   * Modify this block to have the correct number of inputs.
-   * @this {Blockly.Block}
-   * @private
-   */
-  updateShape_: function() {
-    // Delete everything.
-    if (this.getInput('ELSE')) {
-      this.removeInput('ELSE');
-    }
-    var i = 1;
-    while (this.getInput('IF' + i)) {
-      this.removeInput('IF' + i);
-      this.removeInput('DO' + i);
-      i++;
-    }
-    // Rebuild block.
-    for (i = 1; i <= this.elseifCount_; i++) {
-      this.appendValueInput('IF' + i)
-          .setCheck('Boolean')
-          .appendField(Blockly.Msg['CONTROLS_IF_MSG_ELSEIF']);
-      this.appendStatementInput('DO' + i)
-          .appendField(Blockly.Msg['CONTROLS_IF_MSG_THEN']);
-    }
-    if (this.elseCount_) {
-      this.appendStatementInput('ELSE')
-          .appendField(Blockly.Msg['CONTROLS_IF_MSG_ELSE']);
-    }
-  },
-  /**
-   * Reconnects child blocks.
-   * @param {!Array.<?Blockly.RenderedConnection>} valueConnections List of
-   * value connections for 'if' input.
-   * @param {!Array.<?Blockly.RenderedConnection>} statementConnections List of
-   * statement connections for 'do' input.
-   * @param {?Blockly.RenderedConnection} elseStatementConnection Statement
-   * connection for else input.
-   * @this {Blockly.Block}
-   */
-  reconnectChildBlocks_: function(valueConnections, statementConnections,
-      elseStatementConnection) {
-    for (var i = 1; i <= this.elseifCount_; i++) {
-      Blockly.Mutator.reconnect(valueConnections[i], this, 'IF' + i);
-      Blockly.Mutator.reconnect(statementConnections[i], this, 'DO' + i);
-    }
-    Blockly.Mutator.reconnect(elseStatementConnection, this, 'ELSE');
-  }
-};
-
-Blockly.Extensions.registerMutator('controls_if_mutator',
-    Blockly.Constants.Logic.CONTROLS_IF_MUTATOR_MIXIN, null,
-    ['controls_if_elseif', 'controls_if_else']);
-/**
- * "controls_if" extension function. Adds mutator, shape updating methods, and
- * dynamic tooltip to "controls_if" blocks.
- * @this {Blockly.Block}
- * @package
- */
-Blockly.Constants.Logic.CONTROLS_IF_TOOLTIP_EXTENSION = function() {
-
-  this.setTooltip(function() {
-    if (!this.elseifCount_ && !this.elseCount_) {
-      return Blockly.Msg['CONTROLS_IF_TOOLTIP_1'];
-    } else if (!this.elseifCount_ && this.elseCount_) {
-      return Blockly.Msg['CONTROLS_IF_TOOLTIP_2'];
-    } else if (this.elseifCount_ && !this.elseCount_) {
-      return Blockly.Msg['CONTROLS_IF_TOOLTIP_3'];
-    } else if (this.elseifCount_ && this.elseCount_) {
-      return Blockly.Msg['CONTROLS_IF_TOOLTIP_4'];
-    }
-    return '';
-  }.bind(this));
-};
-
-Blockly.Extensions.register('controls_if_tooltip',
-    Blockly.Constants.Logic.CONTROLS_IF_TOOLTIP_EXTENSION);
-
-/**
- * Adds dynamic type validation for the left and right sides of a logic_compare
- * block.
- * @mixin
- * @augments Blockly.Block
- * @package
- * @readonly
- */
-Blockly.Constants.Logic.LOGIC_COMPARE_ONCHANGE_MIXIN = {
-  /**
-   * Called whenever anything on the workspace changes.
-   * Prevent mismatched types from being compared.
-   * @param {!Blockly.Events.Abstract} e Change event.
-   * @this {Blockly.Block}
-   */
-  onchange: function(e) {
-    if (!this.prevBlocks_) {
-      this.prevBlocks_ = [null, null];
-    }
-
-    var blockA = this.getInputTargetBlock('A');
-    var blockB = this.getInputTargetBlock('B');
-    // Disconnect blocks that existed prior to this change if they don't match.
-    if (blockA && blockB &&
-      !this.workspace.connectionChecker.doTypeChecks(
-          blockA.outputConnection, blockB.outputConnection)) {
-      // Mismatch between two inputs.  Revert the block connections,
-      // bumping away the newly connected block(s).
-      Blockly.Events.setGroup(e.group);
-      var prevA = this.prevBlocks_[0];
-      if (prevA !== blockA) {
-        blockA.unplug();
-        if (prevA && !prevA.isDisposed() && !prevA.isShadow()) {
-          // The shadow block is automatically replaced during unplug().
-          this.getInput('A').connection.connect(prevA.outputConnection);
-        }
-      }
-      var prevB = this.prevBlocks_[1];
-      if (prevB !== blockB) {
-        blockB.unplug();
-        if (prevB && !prevB.isDisposed() && !prevB.isShadow()) {
-          // The shadow block is automatically replaced during unplug().
-          this.getInput('B').connection.connect(prevB.outputConnection);
-        }
-      }
-      this.bumpNeighbours();
-      Blockly.Events.setGroup(false);
-    }
-    this.prevBlocks_[0] = this.getInputTargetBlock('A');
-    this.prevBlocks_[1] = this.getInputTargetBlock('B');
-  }
-};
-
-/**
- * "logic_compare" extension function. Adds type left and right side type
- * checking to "logic_compare" blocks.
- * @this {Blockly.Block}
- * @package
- * @readonly
- */
-Blockly.Constants.Logic.LOGIC_COMPARE_EXTENSION = function() {
-  // Add onchange handler to ensure types are compatible.
-  this.mixin(Blockly.Constants.Logic.LOGIC_COMPARE_ONCHANGE_MIXIN);
-};
-
-Blockly.Extensions.register('logic_compare',
-    Blockly.Constants.Logic.LOGIC_COMPARE_EXTENSION);
-
-/**
- * Adds type coordination between inputs and output.
- * @mixin
- * @augments Blockly.Block
- * @package
- * @readonly
- */
-Blockly.Constants.Logic.LOGIC_TERNARY_ONCHANGE_MIXIN = {
-  prevParentConnection_: null,
-
-  /**
-   * Called whenever anything on the workspace changes.
-   * Prevent mismatched types.
-   * @param {!Blockly.Events.Abstract} e Change event.
-   * @this {Blockly.Block}
-   */
-  onchange: function(e) {
-    var blockA = this.getInputTargetBlock('THEN');
-    var blockB = this.getInputTargetBlock('ELSE');
-    var parentConnection = this.outputConnection.targetConnection;
-    // Disconnect blocks that existed prior to this change if they don't match.
-    if ((blockA || blockB) && parentConnection) {
-      for (var i = 0; i < 2; i++) {
-        var block = (i == 1) ? blockA : blockB;
-        if (block &&
-            !block.workspace.connectionChecker.doTypeChecks(
-                block.outputConnection, parentConnection)) {
-          // Ensure that any disconnections are grouped with the causing event.
-          Blockly.Events.setGroup(e.group);
-          if (parentConnection === this.prevParentConnection_) {
-            this.unplug();
-            parentConnection.getSourceBlock().bumpNeighbours();
-          } else {
-            block.unplug();
-            block.bumpNeighbours();
-          }
-          Blockly.Events.setGroup(false);
-        }
-      }
-    }
-    this.prevParentConnection_ = parentConnection;
-  }
-};
-
-Blockly.Extensions.registerMixin('logic_ternary',
-    Blockly.Constants.Logic.LOGIC_TERNARY_ONCHANGE_MIXIN);
diff --git a/blocks/logic.ts b/blocks/logic.ts
new file mode 100644
index 00000000000..3e5b807ebcf
--- /dev/null
+++ b/blocks/logic.ts
@@ -0,0 +1,712 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.libraryBlocks.logic
+
+import * as Events from '../core/events/events.js';
+import * as Extensions from '../core/extensions.js';
+import * as xmlUtils from '../core/utils/xml.js';
+import type {Abstract as AbstractEvent} from '../core/events/events_abstract.js';
+import type {Block} from '../core/block.js';
+import type {BlockSvg} from '../core/block_svg.js';
+import type {Connection} from '../core/connection.js';
+import {Msg} from '../core/msg.js';
+import type {Workspace} from '../core/workspace.js';
+import {
+  createBlockDefinitionsFromJsonArray,
+  defineBlocks,
+} from '../core/common.js';
+import '../core/field_dropdown.js';
+import '../core/field_label.js';
+import '../core/icons/mutator_icon.js';
+
+/**
+ * A dictionary of the block definitions provided by this module.
+ */
+export const blocks = createBlockDefinitionsFromJsonArray([
+  // Block for boolean data type: true and false.
+  {
+    'type': 'logic_boolean',
+    'message0': '%1',
+    'args0': [
+      {
+        'type': 'field_dropdown',
+        'name': 'BOOL',
+        'options': [
+          ['%{BKY_LOGIC_BOOLEAN_TRUE}', 'TRUE'],
+          ['%{BKY_LOGIC_BOOLEAN_FALSE}', 'FALSE'],
+        ],
+      },
+    ],
+    'output': 'Boolean',
+    'style': 'logic_blocks',
+    'tooltip': '%{BKY_LOGIC_BOOLEAN_TOOLTIP}',
+    'helpUrl': '%{BKY_LOGIC_BOOLEAN_HELPURL}',
+  },
+  // Block for if/elseif/else condition.
+  {
+    'type': 'controls_if',
+    'message0': '%{BKY_CONTROLS_IF_MSG_IF} %1',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'IF0',
+        'check': 'Boolean',
+      },
+    ],
+    'message1': '%{BKY_CONTROLS_IF_MSG_THEN} %1',
+    'args1': [
+      {
+        'type': 'input_statement',
+        'name': 'DO0',
+      },
+    ],
+    'previousStatement': null,
+    'nextStatement': null,
+    'style': 'logic_blocks',
+    'helpUrl': '%{BKY_CONTROLS_IF_HELPURL}',
+    'suppressPrefixSuffix': true,
+    'mutator': 'controls_if_mutator',
+    'extensions': ['controls_if_tooltip'],
+  },
+  // If/else block that does not use a mutator.
+  {
+    'type': 'controls_ifelse',
+    'message0': '%{BKY_CONTROLS_IF_MSG_IF} %1',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'IF0',
+        'check': 'Boolean',
+      },
+    ],
+    'message1': '%{BKY_CONTROLS_IF_MSG_THEN} %1',
+    'args1': [
+      {
+        'type': 'input_statement',
+        'name': 'DO0',
+      },
+    ],
+    'message2': '%{BKY_CONTROLS_IF_MSG_ELSE} %1',
+    'args2': [
+      {
+        'type': 'input_statement',
+        'name': 'ELSE',
+      },
+    ],
+    'previousStatement': null,
+    'nextStatement': null,
+    'style': 'logic_blocks',
+    'tooltip': '%{BKYCONTROLS_IF_TOOLTIP_2}',
+    'helpUrl': '%{BKY_CONTROLS_IF_HELPURL}',
+    'suppressPrefixSuffix': true,
+    'extensions': ['controls_if_tooltip'],
+  },
+  // Block for comparison operator.
+  {
+    'type': 'logic_compare',
+    'message0': '%1 %2 %3',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'A',
+      },
+      {
+        'type': 'field_dropdown',
+        'name': 'OP',
+        'options': [
+          ['=', 'EQ'],
+          ['\u2260', 'NEQ'],
+          ['\u200F<', 'LT'],
+          ['\u200F\u2264', 'LTE'],
+          ['\u200F>', 'GT'],
+          ['\u200F\u2265', 'GTE'],
+        ],
+      },
+      {
+        'type': 'input_value',
+        'name': 'B',
+      },
+    ],
+    'inputsInline': true,
+    'output': 'Boolean',
+    'style': 'logic_blocks',
+    'helpUrl': '%{BKY_LOGIC_COMPARE_HELPURL}',
+    'extensions': ['logic_compare', 'logic_op_tooltip'],
+  },
+  // Block for logical operations: 'and', 'or'.
+  {
+    'type': 'logic_operation',
+    'message0': '%1 %2 %3',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'A',
+        'check': 'Boolean',
+      },
+      {
+        'type': 'field_dropdown',
+        'name': 'OP',
+        'options': [
+          ['%{BKY_LOGIC_OPERATION_AND}', 'AND'],
+          ['%{BKY_LOGIC_OPERATION_OR}', 'OR'],
+        ],
+      },
+      {
+        'type': 'input_value',
+        'name': 'B',
+        'check': 'Boolean',
+      },
+    ],
+    'inputsInline': true,
+    'output': 'Boolean',
+    'style': 'logic_blocks',
+    'helpUrl': '%{BKY_LOGIC_OPERATION_HELPURL}',
+    'extensions': ['logic_op_tooltip'],
+  },
+  // Block for negation.
+  {
+    'type': 'logic_negate',
+    'message0': '%{BKY_LOGIC_NEGATE_TITLE}',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'BOOL',
+        'check': 'Boolean',
+      },
+    ],
+    'output': 'Boolean',
+    'style': 'logic_blocks',
+    'tooltip': '%{BKY_LOGIC_NEGATE_TOOLTIP}',
+    'helpUrl': '%{BKY_LOGIC_NEGATE_HELPURL}',
+  },
+  // Block for null data type.
+  {
+    'type': 'logic_null',
+    'message0': '%{BKY_LOGIC_NULL}',
+    'output': null,
+    'style': 'logic_blocks',
+    'tooltip': '%{BKY_LOGIC_NULL_TOOLTIP}',
+    'helpUrl': '%{BKY_LOGIC_NULL_HELPURL}',
+  },
+  // Block for ternary operator.
+  {
+    'type': 'logic_ternary',
+    'message0': '%{BKY_LOGIC_TERNARY_CONDITION} %1',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'IF',
+        'check': 'Boolean',
+      },
+    ],
+    'message1': '%{BKY_LOGIC_TERNARY_IF_TRUE} %1',
+    'args1': [
+      {
+        'type': 'input_value',
+        'name': 'THEN',
+      },
+    ],
+    'message2': '%{BKY_LOGIC_TERNARY_IF_FALSE} %1',
+    'args2': [
+      {
+        'type': 'input_value',
+        'name': 'ELSE',
+      },
+    ],
+    'output': null,
+    'style': 'logic_blocks',
+    'tooltip': '%{BKY_LOGIC_TERNARY_TOOLTIP}',
+    'helpUrl': '%{BKY_LOGIC_TERNARY_HELPURL}',
+    'extensions': ['logic_ternary'],
+  },
+  // Block representing the if statement in the controls_if mutator.
+  {
+    'type': 'controls_if_if',
+    'message0': '%{BKY_CONTROLS_IF_IF_TITLE_IF}',
+    'nextStatement': null,
+    'enableContextMenu': false,
+    'style': 'logic_blocks',
+    'tooltip': '%{BKY_CONTROLS_IF_IF_TOOLTIP}',
+  },
+  // Block representing the else-if statement in the controls_if mutator.
+  {
+    'type': 'controls_if_elseif',
+    'message0': '%{BKY_CONTROLS_IF_ELSEIF_TITLE_ELSEIF}',
+    'previousStatement': null,
+    'nextStatement': null,
+    'enableContextMenu': false,
+    'style': 'logic_blocks',
+    'tooltip': '%{BKY_CONTROLS_IF_ELSEIF_TOOLTIP}',
+  },
+  // Block representing the else statement in the controls_if mutator.
+  {
+    'type': 'controls_if_else',
+    'message0': '%{BKY_CONTROLS_IF_ELSE_TITLE_ELSE}',
+    'previousStatement': null,
+    'enableContextMenu': false,
+    'style': 'logic_blocks',
+    'tooltip': '%{BKY_CONTROLS_IF_ELSE_TOOLTIP}',
+  },
+]);
+
+/**
+ * Tooltip text, keyed by block OP value. Used by logic_compare and
+ * logic_operation blocks.
+ *
+ * @see {Extensions#buildTooltipForDropdown}
+ */
+const TOOLTIPS_BY_OP = {
+  // logic_compare
+  'EQ': '%{BKY_LOGIC_COMPARE_TOOLTIP_EQ}',
+  'NEQ': '%{BKY_LOGIC_COMPARE_TOOLTIP_NEQ}',
+  'LT': '%{BKY_LOGIC_COMPARE_TOOLTIP_LT}',
+  'LTE': '%{BKY_LOGIC_COMPARE_TOOLTIP_LTE}',
+  'GT': '%{BKY_LOGIC_COMPARE_TOOLTIP_GT}',
+  'GTE': '%{BKY_LOGIC_COMPARE_TOOLTIP_GTE}',
+
+  // logic_operation
+  'AND': '%{BKY_LOGIC_OPERATION_TOOLTIP_AND}',
+  'OR': '%{BKY_LOGIC_OPERATION_TOOLTIP_OR}',
+};
+
+Extensions.register(
+  'logic_op_tooltip',
+  Extensions.buildTooltipForDropdown('OP', TOOLTIPS_BY_OP),
+);
+
+/** Type of a block that has CONTROLS_IF_MUTATOR_MIXIN */
+type IfBlock = Block & IfMixin;
+interface IfMixin extends IfMixinType {}
+type IfMixinType = typeof CONTROLS_IF_MUTATOR_MIXIN;
+
+// Types for quarks defined in JSON.
+/** Type of a controls_if_if (if mutator container) block. */
+interface ContainerBlock extends Block {}
+
+/** Type of a controls_if_elseif or controls_if_else block. */
+interface ClauseBlock extends Block {
+  valueConnection_?: Connection | null;
+  statementConnection_?: Connection | null;
+}
+
+/** Extra state for serialising controls_if blocks. */
+type IfExtraState = {
+  elseIfCount?: number;
+  hasElse?: boolean;
+};
+
+/**
+ * Mutator methods added to controls_if blocks.
+ */
+const CONTROLS_IF_MUTATOR_MIXIN = {
+  elseifCount_: 0,
+  elseCount_: 0,
+
+  /**
+   * Create XML to represent the number of else-if and else inputs.
+   * Backwards compatible serialization implementation.
+   *
+   * @returns XML storage element.
+   */
+  mutationToDom: function (this: IfBlock): Element | null {
+    if (!this.elseifCount_ && !this.elseCount_) {
+      return null;
+    }
+    const container = xmlUtils.createElement('mutation');
+    if (this.elseifCount_) {
+      container.setAttribute('elseif', String(this.elseifCount_));
+    }
+    if (this.elseCount_) {
+      container.setAttribute('else', '1');
+    }
+    return container;
+  },
+  /**
+   * Parse XML to restore the else-if and else inputs.
+   * Backwards compatible serialization implementation.
+   *
+   * @param xmlElement XML storage element.
+   */
+  domToMutation: function (this: IfBlock, xmlElement: Element) {
+    this.elseifCount_ = parseInt(xmlElement.getAttribute('elseif')!, 10) || 0;
+    this.elseCount_ = parseInt(xmlElement.getAttribute('else')!, 10) || 0;
+    this.rebuildShape_();
+  },
+  /**
+   * Returns the state of this block as a JSON serializable object.
+   *
+   * @returns The state of this block, ie the else if count and else state.
+   */
+  saveExtraState: function (this: IfBlock): IfExtraState | null {
+    if (!this.elseifCount_ && !this.elseCount_) {
+      return null;
+    }
+    const state = Object.create(null);
+    if (this.elseifCount_) {
+      state['elseIfCount'] = this.elseifCount_;
+    }
+    if (this.elseCount_) {
+      state['hasElse'] = true;
+    }
+    return state;
+  },
+  /**
+   * Applies the given state to this block.
+   *
+   * @param state The state to apply to this block, ie the else if count
+   and
+   *     else state.
+   */
+  loadExtraState: function (this: IfBlock, state: IfExtraState) {
+    this.elseifCount_ = state['elseIfCount'] || 0;
+    this.elseCount_ = state['hasElse'] ? 1 : 0;
+    this.updateShape_();
+  },
+  /**
+   * Populate the mutator's dialog with this block's components.
+   *
+   * @param workspace MutatorIcon's workspace.
+   * @returns Root block in mutator.
+   */
+  decompose: function (this: IfBlock, workspace: Workspace): ContainerBlock {
+    const containerBlock = workspace.newBlock('controls_if_if');
+    (containerBlock as BlockSvg).initSvg();
+    let connection = containerBlock.nextConnection!;
+    for (let i = 1; i <= this.elseifCount_; i++) {
+      const elseifBlock = workspace.newBlock('controls_if_elseif');
+      (elseifBlock as BlockSvg).initSvg();
+      connection.connect(elseifBlock.previousConnection!);
+      connection = elseifBlock.nextConnection!;
+    }
+    if (this.elseCount_) {
+      const elseBlock = workspace.newBlock('controls_if_else');
+      (elseBlock as BlockSvg).initSvg();
+      connection.connect(elseBlock.previousConnection!);
+    }
+    return containerBlock;
+  },
+  /**
+   * Reconfigure this block based on the mutator dialog's components.
+   *
+   * @param containerBlock Root block in mutator.
+   */
+  compose: function (this: IfBlock, containerBlock: ContainerBlock) {
+    let clauseBlock =
+      containerBlock.nextConnection!.targetBlock() as ClauseBlock | null;
+    // Count number of inputs.
+    this.elseifCount_ = 0;
+    this.elseCount_ = 0;
+    // Connections arrays are passed to .reconnectChildBlocks_() which
+    // takes 1-based arrays, so are initialised with a dummy value at
+    // index 0 for convenience.
+    const valueConnections: Array<Connection | null> = [null];
+    const statementConnections: Array<Connection | null> = [null];
+    let elseStatementConnection: Connection | null = null;
+    while (clauseBlock) {
+      if (clauseBlock.isInsertionMarker()) {
+        clauseBlock = clauseBlock.getNextBlock() as ClauseBlock | null;
+        continue;
+      }
+      switch (clauseBlock.type) {
+        case 'controls_if_elseif':
+          this.elseifCount_++;
+          // TODO(#6920): null valid, undefined not.
+          valueConnections.push(
+            clauseBlock.valueConnection_ as Connection | null,
+          );
+          statementConnections.push(
+            clauseBlock.statementConnection_ as Connection | null,
+          );
+          break;
+        case 'controls_if_else':
+          this.elseCount_++;
+          elseStatementConnection =
+            clauseBlock.statementConnection_ as Connection | null;
+          break;
+        default:
+          throw TypeError('Unknown block type: ' + clauseBlock.type);
+      }
+      clauseBlock = clauseBlock.getNextBlock() as ClauseBlock | null;
+    }
+    this.updateShape_();
+    // Reconnect any child blocks.
+    this.reconnectChildBlocks_(
+      valueConnections,
+      statementConnections,
+      elseStatementConnection,
+    );
+  },
+  /**
+   * Store pointers to any connected child blocks.
+   *
+   * @param containerBlock Root block in mutator.
+   */
+  saveConnections: function (this: IfBlock, containerBlock: ContainerBlock) {
+    let clauseBlock =
+      containerBlock!.nextConnection!.targetBlock() as ClauseBlock | null;
+    let i = 1;
+    while (clauseBlock) {
+      if (clauseBlock.isInsertionMarker()) {
+        clauseBlock = clauseBlock.getNextBlock() as ClauseBlock | null;
+        continue;
+      }
+      switch (clauseBlock.type) {
+        case 'controls_if_elseif': {
+          const inputIf = this.getInput('IF' + i);
+          const inputDo = this.getInput('DO' + i);
+          clauseBlock.valueConnection_ =
+            inputIf && inputIf.connection!.targetConnection;
+          clauseBlock.statementConnection_ =
+            inputDo && inputDo.connection!.targetConnection;
+          i++;
+          break;
+        }
+        case 'controls_if_else': {
+          const inputDo = this.getInput('ELSE');
+          clauseBlock.statementConnection_ =
+            inputDo && inputDo.connection!.targetConnection;
+          break;
+        }
+        default:
+          throw TypeError('Unknown block type: ' + clauseBlock.type);
+      }
+      clauseBlock = clauseBlock.getNextBlock() as ClauseBlock | null;
+    }
+  },
+  /**
+   * Reconstructs the block with all child blocks attached.
+   */
+  rebuildShape_: function (this: IfBlock) {
+    const valueConnections: Array<Connection | null> = [null];
+    const statementConnections: Array<Connection | null> = [null];
+    let elseStatementConnection: Connection | null = null;
+
+    if (this.getInput('ELSE')) {
+      elseStatementConnection =
+        this.getInput('ELSE')!.connection!.targetConnection;
+    }
+    for (let i = 1; this.getInput('IF' + i); i++) {
+      const inputIf = this.getInput('IF' + i);
+      const inputDo = this.getInput('DO' + i);
+      valueConnections.push(inputIf!.connection!.targetConnection);
+      statementConnections.push(inputDo!.connection!.targetConnection);
+    }
+    this.updateShape_();
+    this.reconnectChildBlocks_(
+      valueConnections,
+      statementConnections,
+      elseStatementConnection,
+    );
+  },
+  /**
+   * Modify this block to have the correct number of inputs.
+   *
+   * @internal
+   */
+  updateShape_: function (this: IfBlock) {
+    // Delete everything.
+    if (this.getInput('ELSE')) {
+      this.removeInput('ELSE');
+    }
+    for (let i = 1; this.getInput('IF' + i); i++) {
+      this.removeInput('IF' + i);
+      this.removeInput('DO' + i);
+    }
+    // Rebuild block.
+    for (let i = 1; i <= this.elseifCount_; i++) {
+      this.appendValueInput('IF' + i)
+        .setCheck('Boolean')
+        .appendField(Msg['CONTROLS_IF_MSG_ELSEIF']);
+      this.appendStatementInput('DO' + i).appendField(
+        Msg['CONTROLS_IF_MSG_THEN'],
+      );
+    }
+    if (this.elseCount_) {
+      this.appendStatementInput('ELSE').appendField(
+        Msg['CONTROLS_IF_MSG_ELSE'],
+      );
+    }
+  },
+  /**
+   * Reconnects child blocks.
+   *
+   * @param valueConnections 1-based array of value connections for
+   *     'if' input.  Value at index [0] ignored.
+   * @param statementConnections 1-based array of statement
+   *     connections for 'do' input.  Value at index [0] ignored.
+   * @param elseStatementConnection Statement connection for else input.
+   */
+  reconnectChildBlocks_: function (
+    this: IfBlock,
+    valueConnections: Array<Connection | null>,
+    statementConnections: Array<Connection | null>,
+    elseStatementConnection: Connection | null,
+  ) {
+    for (let i = 1; i <= this.elseifCount_; i++) {
+      valueConnections[i]?.reconnect(this, 'IF' + i);
+      statementConnections[i]?.reconnect(this, 'DO' + i);
+    }
+    elseStatementConnection?.reconnect(this, 'ELSE');
+  },
+};
+
+Extensions.registerMutator(
+  'controls_if_mutator',
+  CONTROLS_IF_MUTATOR_MIXIN,
+  null as unknown as undefined, // TODO(#6920)
+  ['controls_if_elseif', 'controls_if_else'],
+);
+
+/**
+ * "controls_if" extension function. Adds mutator, shape updating methods,
+ * and dynamic tooltip to "controls_if" blocks.
+ */
+const CONTROLS_IF_TOOLTIP_EXTENSION = function (this: IfBlock) {
+  this.setTooltip(
+    function (this: IfBlock) {
+      if (!this.elseifCount_ && !this.elseCount_) {
+        return Msg['CONTROLS_IF_TOOLTIP_1'];
+      } else if (!this.elseifCount_ && this.elseCount_) {
+        return Msg['CONTROLS_IF_TOOLTIP_2'];
+      } else if (this.elseifCount_ && !this.elseCount_) {
+        return Msg['CONTROLS_IF_TOOLTIP_3'];
+      } else if (this.elseifCount_ && this.elseCount_) {
+        return Msg['CONTROLS_IF_TOOLTIP_4'];
+      }
+      return '';
+    }.bind(this),
+  );
+};
+
+Extensions.register('controls_if_tooltip', CONTROLS_IF_TOOLTIP_EXTENSION);
+
+/** Type of a block that has LOGIC_COMPARE_ONCHANGE_MIXIN */
+type CompareBlock = Block & CompareMixin;
+interface CompareMixin extends CompareMixinType {
+  prevBlocks_?: Array<Block | null>;
+}
+type CompareMixinType = typeof LOGIC_COMPARE_ONCHANGE_MIXIN;
+
+/**
+ * Adds dynamic type validation for the left and right sides of a
+ * logic_compare block.
+ */
+const LOGIC_COMPARE_ONCHANGE_MIXIN = {
+  /**
+   * Called whenever anything on the workspace changes.
+   * Prevent mismatched types from being compared.
+   *
+   * @param e Change event.
+   */
+  onchange: function (this: CompareBlock, e: AbstractEvent) {
+    if (!this.prevBlocks_) {
+      this.prevBlocks_ = [null, null];
+    }
+
+    const blockA = this.getInputTargetBlock('A');
+    const blockB = this.getInputTargetBlock('B');
+    // Disconnect blocks that existed prior to this change if they don't
+    // match.
+    if (
+      blockA &&
+      blockB &&
+      !this.workspace.connectionChecker.doTypeChecks(
+        blockA.outputConnection!,
+        blockB.outputConnection!,
+      )
+    ) {
+      // Mismatch between two inputs.  Revert the block connections,
+      // bumping away the newly connected block(s).
+      Events.setGroup(e.group);
+      const prevA = this.prevBlocks_[0];
+      if (prevA !== blockA) {
+        blockA.unplug();
+        if (prevA && !prevA.isDisposed() && !prevA.isShadow()) {
+          // The shadow block is automatically replaced during unplug().
+          this.getInput('A')!.connection!.connect(prevA.outputConnection!);
+        }
+      }
+      const prevB = this.prevBlocks_[1];
+      if (prevB !== blockB) {
+        blockB.unplug();
+        if (prevB && !prevB.isDisposed() && !prevB.isShadow()) {
+          // The shadow block is automatically replaced during unplug().
+          this.getInput('B')!.connection!.connect(prevB.outputConnection!);
+        }
+      }
+      this.bumpNeighbours();
+      Events.setGroup(false);
+    }
+    this.prevBlocks_[0] = this.getInputTargetBlock('A');
+    this.prevBlocks_[1] = this.getInputTargetBlock('B');
+  },
+};
+
+/**
+ * "logic_compare" extension function. Adds type left and right side type
+ * checking to "logic_compare" blocks.
+ */
+const LOGIC_COMPARE_EXTENSION = function (this: CompareBlock) {
+  // Add onchange handler to ensure types are compatible.
+  this.mixin(LOGIC_COMPARE_ONCHANGE_MIXIN);
+};
+
+Extensions.register('logic_compare', LOGIC_COMPARE_EXTENSION);
+
+/** Type of a block that has LOGIC_TERNARY_ONCHANGE_MIXIN */
+type TernaryBlock = Block & TernaryMixin;
+interface TernaryMixin extends TernaryMixinType {}
+type TernaryMixinType = typeof LOGIC_TERNARY_ONCHANGE_MIXIN;
+
+/**
+ * Adds type coordination between inputs and output.
+ */
+const LOGIC_TERNARY_ONCHANGE_MIXIN = {
+  prevParentConnection_: null as Connection | null,
+
+  /**
+   * Called whenever anything on the workspace changes.
+   * Prevent mismatched types.
+   */
+  onchange: function (this: TernaryBlock, e: AbstractEvent) {
+    const blockA = this.getInputTargetBlock('THEN');
+    const blockB = this.getInputTargetBlock('ELSE');
+    const parentConnection = this.outputConnection!.targetConnection;
+    // Disconnect blocks that existed prior to this change if they don't
+    // match.
+    if ((blockA || blockB) && parentConnection) {
+      for (let i = 0; i < 2; i++) {
+        const block = i === 1 ? blockA : blockB;
+        if (
+          block &&
+          !block.workspace.connectionChecker.doTypeChecks(
+            block.outputConnection!,
+            parentConnection,
+          )
+        ) {
+          // Ensure that any disconnections are grouped with the causing
+          // event.
+          Events.setGroup(e.group);
+          if (parentConnection === this.prevParentConnection_) {
+            this.unplug();
+            parentConnection.getSourceBlock().bumpNeighbours();
+          } else {
+            block.unplug();
+            block.bumpNeighbours();
+          }
+          Events.setGroup(false);
+        }
+      }
+    }
+    this.prevParentConnection_ = parentConnection;
+  },
+};
+
+Extensions.registerMixin('logic_ternary', LOGIC_TERNARY_ONCHANGE_MIXIN);
+
+// Register provided blocks.
+defineBlocks(blocks);
diff --git a/blocks/loops.js b/blocks/loops.js
deleted file mode 100644
index d6fb2f2f679..00000000000
--- a/blocks/loops.js
+++ /dev/null
@@ -1,357 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Loop blocks for Blockly.
- *
- * This file is scraped to extract a .json file of block definitions. The array
- * passed to defineBlocksWithJsonArray(..) must be strict JSON: double quotes
- * only, no outside references, no functions, no trailing commas, etc. The one
- * exception is end-of-line comments, which the scraper will remove.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Blocks.loops');  // Deprecated
-goog.provide('Blockly.Constants.Loops');
-
-goog.require('Blockly');
-goog.require('Blockly.Blocks');
-goog.require('Blockly.FieldDropdown');
-goog.require('Blockly.FieldLabel');
-goog.require('Blockly.FieldNumber');
-goog.require('Blockly.FieldVariable');
-goog.require('Blockly.Warning');
-
-
-/**
- * Unused constant for the common HSV hue for all blocks in this category.
- * @deprecated Use Blockly.Msg['LOOPS_HUE']. (2018 April 5)
- */
-Blockly.Constants.Loops.HUE = 120;
-
-Blockly.defineBlocksWithJsonArray([  // BEGIN JSON EXTRACT
-  // Block for repeat n times (external number).
-  {
-    "type": "controls_repeat_ext",
-    "message0": "%{BKY_CONTROLS_REPEAT_TITLE}",
-    "args0": [{
-      "type": "input_value",
-      "name": "TIMES",
-      "check": "Number"
-    }],
-    "message1": "%{BKY_CONTROLS_REPEAT_INPUT_DO} %1",
-    "args1": [{
-      "type": "input_statement",
-      "name": "DO"
-    }],
-    "previousStatement": null,
-    "nextStatement": null,
-    "style": "loop_blocks",
-    "tooltip": "%{BKY_CONTROLS_REPEAT_TOOLTIP}",
-    "helpUrl": "%{BKY_CONTROLS_REPEAT_HELPURL}"
-  },
-  // Block for repeat n times (internal number).
-  // The 'controls_repeat_ext' block is preferred as it is more flexible.
-  {
-    "type": "controls_repeat",
-    "message0": "%{BKY_CONTROLS_REPEAT_TITLE}",
-    "args0": [{
-      "type": "field_number",
-      "name": "TIMES",
-      "value": 10,
-      "min": 0,
-      "precision": 1
-    }],
-    "message1": "%{BKY_CONTROLS_REPEAT_INPUT_DO} %1",
-    "args1": [{
-      "type": "input_statement",
-      "name": "DO"
-    }],
-    "previousStatement": null,
-    "nextStatement": null,
-    "style": "loop_blocks",
-    "tooltip": "%{BKY_CONTROLS_REPEAT_TOOLTIP}",
-    "helpUrl": "%{BKY_CONTROLS_REPEAT_HELPURL}"
-  },
-  // Block for 'do while/until' loop.
-  {
-    "type": "controls_whileUntil",
-    "message0": "%1 %2",
-    "args0": [
-      {
-        "type": "field_dropdown",
-        "name": "MODE",
-        "options": [
-          ["%{BKY_CONTROLS_WHILEUNTIL_OPERATOR_WHILE}", "WHILE"],
-          ["%{BKY_CONTROLS_WHILEUNTIL_OPERATOR_UNTIL}", "UNTIL"]
-        ]
-      },
-      {
-        "type": "input_value",
-        "name": "BOOL",
-        "check": "Boolean"
-      }
-    ],
-    "message1": "%{BKY_CONTROLS_REPEAT_INPUT_DO} %1",
-    "args1": [{
-      "type": "input_statement",
-      "name": "DO"
-    }],
-    "previousStatement": null,
-    "nextStatement": null,
-    "style": "loop_blocks",
-    "helpUrl": "%{BKY_CONTROLS_WHILEUNTIL_HELPURL}",
-    "extensions": ["controls_whileUntil_tooltip"]
-  },
-  // Block for 'for' loop.
-  {
-    "type": "controls_for",
-    "message0": "%{BKY_CONTROLS_FOR_TITLE}",
-    "args0": [
-      {
-        "type": "field_variable",
-        "name": "VAR",
-        "variable": null
-      },
-      {
-        "type": "input_value",
-        "name": "FROM",
-        "check": "Number",
-        "align": "RIGHT"
-      },
-      {
-        "type": "input_value",
-        "name": "TO",
-        "check": "Number",
-        "align": "RIGHT"
-      },
-      {
-        "type": "input_value",
-        "name": "BY",
-        "check": "Number",
-        "align": "RIGHT"
-      }
-    ],
-    "message1": "%{BKY_CONTROLS_REPEAT_INPUT_DO} %1",
-    "args1": [{
-      "type": "input_statement",
-      "name": "DO"
-    }],
-    "inputsInline": true,
-    "previousStatement": null,
-    "nextStatement": null,
-    "style": "loop_blocks",
-    "helpUrl": "%{BKY_CONTROLS_FOR_HELPURL}",
-    "extensions": [
-      "contextMenu_newGetVariableBlock",
-      "controls_for_tooltip"
-    ]
-  },
-  // Block for 'for each' loop.
-  {
-    "type": "controls_forEach",
-    "message0": "%{BKY_CONTROLS_FOREACH_TITLE}",
-    "args0": [
-      {
-        "type": "field_variable",
-        "name": "VAR",
-        "variable": null
-      },
-      {
-        "type": "input_value",
-        "name": "LIST",
-        "check": "Array"
-      }
-    ],
-    "message1": "%{BKY_CONTROLS_REPEAT_INPUT_DO} %1",
-    "args1": [{
-      "type": "input_statement",
-      "name": "DO"
-    }],
-    "previousStatement": null,
-    "nextStatement": null,
-    "style": "loop_blocks",
-    "helpUrl": "%{BKY_CONTROLS_FOREACH_HELPURL}",
-    "extensions": [
-      "contextMenu_newGetVariableBlock",
-      "controls_forEach_tooltip"
-    ]
-  },
-  // Block for flow statements: continue, break.
-  {
-    "type": "controls_flow_statements",
-    "message0": "%1",
-    "args0": [{
-      "type": "field_dropdown",
-      "name": "FLOW",
-      "options": [
-        ["%{BKY_CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK}", "BREAK"],
-        ["%{BKY_CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE}", "CONTINUE"]
-      ]
-    }],
-    "previousStatement": null,
-    "style": "loop_blocks",
-    "helpUrl": "%{BKY_CONTROLS_FLOW_STATEMENTS_HELPURL}",
-    "extensions": [
-      "controls_flow_tooltip",
-      "controls_flow_in_loop_check"
-    ]
-  }
-]);  // END JSON EXTRACT (Do not delete this comment.)
-
-/**
- * Tooltips for the 'controls_whileUntil' block, keyed by MODE value.
- * @see {Blockly.Extensions#buildTooltipForDropdown}
- * @package
- * @readonly
- */
-Blockly.Constants.Loops.WHILE_UNTIL_TOOLTIPS = {
-  'WHILE': '%{BKY_CONTROLS_WHILEUNTIL_TOOLTIP_WHILE}',
-  'UNTIL': '%{BKY_CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL}'
-};
-
-Blockly.Extensions.register('controls_whileUntil_tooltip',
-    Blockly.Extensions.buildTooltipForDropdown(
-        'MODE', Blockly.Constants.Loops.WHILE_UNTIL_TOOLTIPS));
-
-/**
- * Tooltips for the 'controls_flow_statements' block, keyed by FLOW value.
- * @see {Blockly.Extensions#buildTooltipForDropdown}
- * @package
- * @readonly
- */
-Blockly.Constants.Loops.BREAK_CONTINUE_TOOLTIPS = {
-  'BREAK': '%{BKY_CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK}',
-  'CONTINUE': '%{BKY_CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE}'
-};
-
-Blockly.Extensions.register('controls_flow_tooltip',
-    Blockly.Extensions.buildTooltipForDropdown(
-        'FLOW', Blockly.Constants.Loops.BREAK_CONTINUE_TOOLTIPS));
-
-/**
- * Mixin to add a context menu item to create a 'variables_get' block.
- * Used by blocks 'controls_for' and 'controls_forEach'.
- * @mixin
- * @augments Blockly.Block
- * @package
- * @readonly
- */
-Blockly.Constants.Loops.CUSTOM_CONTEXT_MENU_CREATE_VARIABLES_GET_MIXIN = {
-  /**
-   * Add context menu option to create getter block for the loop's variable.
-   * (customContextMenu support limited to web BlockSvg.)
-   * @param {!Array} options List of menu options to add to.
-   * @this {Blockly.Block}
-   */
-  customContextMenu: function(options) {
-    if (this.isInFlyout) {
-      return;
-    }
-    var variable = this.getField('VAR').getVariable();
-    var varName = variable.name;
-    if (!this.isCollapsed() && varName != null) {
-      var option = {enabled: true};
-      option.text =
-          Blockly.Msg['VARIABLES_SET_CREATE_GET'].replace('%1', varName);
-      var xmlField = Blockly.Variables.generateVariableFieldDom(variable);
-      var xmlBlock = Blockly.utils.xml.createElement('block');
-      xmlBlock.setAttribute('type', 'variables_get');
-      xmlBlock.appendChild(xmlField);
-      option.callback = Blockly.ContextMenu.callbackFactory(this, xmlBlock);
-      options.push(option);
-    }
-  }
-};
-
-Blockly.Extensions.registerMixin('contextMenu_newGetVariableBlock',
-    Blockly.Constants.Loops.CUSTOM_CONTEXT_MENU_CREATE_VARIABLES_GET_MIXIN);
-
-Blockly.Extensions.register('controls_for_tooltip',
-    Blockly.Extensions.buildTooltipWithFieldText(
-        '%{BKY_CONTROLS_FOR_TOOLTIP}', 'VAR'));
-
-Blockly.Extensions.register('controls_forEach_tooltip',
-    Blockly.Extensions.buildTooltipWithFieldText(
-        '%{BKY_CONTROLS_FOREACH_TOOLTIP}', 'VAR'));
-
-/**
- * This mixin adds a check to make sure the 'controls_flow_statements' block
- * is contained in a loop. Otherwise a warning is added to the block.
- * @mixin
- * @augments Blockly.Block
- * @package
- * @readonly
- */
-Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN = {
-  /**
-   * List of block types that are loops and thus do not need warnings.
-   * To add a new loop type add this to your code:
-   * Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN.LOOP_TYPES.push('custom_loop');
-   */
-  LOOP_TYPES: [
-    'controls_repeat',
-    'controls_repeat_ext',
-    'controls_forEach',
-    'controls_for',
-    'controls_whileUntil'
-  ],
-
-  /**
-   * Don't automatically add STATEMENT_PREFIX and STATEMENT_SUFFIX to generated
-   * code.  These will be handled manually in this block's generators.
-   */
-  suppressPrefixSuffix: true,
-
-  /**
-   * Is the given block enclosed (at any level) by a loop?
-   * @param {!Blockly.Block} block Current block.
-   * @return {Blockly.Block} The nearest surrounding loop, or null if none.
-   */
-  getSurroundLoop: function(block) {
-    // Is the block nested in a loop?
-    do {
-      if (Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN.LOOP_TYPES
-          .indexOf(block.type) != -1) {
-        return block;
-      }
-      block = block.getSurroundParent();
-    } while (block);
-    return null;
-  },
-
-  /**
-   * Called whenever anything on the workspace changes.
-   * Add warning if this flow block is not nested inside a loop.
-   * @param {!Blockly.Events.Abstract} e Change event.
-   * @this {Blockly.Block}
-   */
-  onchange: function(e) {
-    // Don't change state if:
-    //   * It's at the start of a drag.
-    //   * It's not a move event.
-    //   * Or the moving block is not this block.
-    if (!this.workspace.isDragging || this.workspace.isDragging() ||
-        e.type != Blockly.Events.BLOCK_MOVE || e.blockId != this.id) {
-      return;
-    }
-    var enabled = Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN
-        .getSurroundLoop(this);
-    this.setWarningText(enabled ? null :
-        Blockly.Msg['CONTROLS_FLOW_STATEMENTS_WARNING']);
-    if (!this.isInFlyout) {
-      var group = Blockly.Events.getGroup();
-      // Makes it so the move and the disable event get undone together.
-      Blockly.Events.setGroup(e.group);
-      this.setEnabled(enabled);
-      Blockly.Events.setGroup(group);
-    }
-  }
-};
-
-Blockly.Extensions.registerMixin('controls_flow_in_loop_check',
-    Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN);
diff --git a/blocks/loops.ts b/blocks/loops.ts
new file mode 100644
index 00000000000..c7cb710d770
--- /dev/null
+++ b/blocks/loops.ts
@@ -0,0 +1,408 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.libraryBlocks.loops
+
+import type {Abstract as AbstractEvent} from '../core/events/events_abstract.js';
+import type {Block} from '../core/block.js';
+import * as ContextMenu from '../core/contextmenu.js';
+import type {
+  ContextMenuOption,
+  LegacyContextMenuOption,
+} from '../core/contextmenu_registry.js';
+import * as Events from '../core/events/events.js';
+import * as Extensions from '../core/extensions.js';
+import {Msg} from '../core/msg.js';
+import {
+  createBlockDefinitionsFromJsonArray,
+  defineBlocks,
+} from '../core/common.js';
+import * as eventUtils from '../core/events/utils.js';
+import '../core/field_dropdown.js';
+import '../core/field_label.js';
+import '../core/field_number.js';
+import '../core/field_variable.js';
+import '../core/icons/warning_icon.js';
+import {FieldVariable} from '../core/field_variable.js';
+import {WorkspaceSvg} from '../core/workspace_svg.js';
+
+/**
+ * A dictionary of the block definitions provided by this module.
+ */
+export const blocks = createBlockDefinitionsFromJsonArray([
+  // Block for repeat n times (external number).
+  {
+    'type': 'controls_repeat_ext',
+    'message0': '%{BKY_CONTROLS_REPEAT_TITLE}',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'TIMES',
+        'check': 'Number',
+      },
+    ],
+    'message1': '%{BKY_CONTROLS_REPEAT_INPUT_DO} %1',
+    'args1': [
+      {
+        'type': 'input_statement',
+        'name': 'DO',
+      },
+    ],
+    'previousStatement': null,
+    'nextStatement': null,
+    'style': 'loop_blocks',
+    'tooltip': '%{BKY_CONTROLS_REPEAT_TOOLTIP}',
+    'helpUrl': '%{BKY_CONTROLS_REPEAT_HELPURL}',
+  },
+  // Block for repeat n times (internal number).
+  // The 'controls_repeat_ext' block is preferred as it is more flexible.
+  {
+    'type': 'controls_repeat',
+    'message0': '%{BKY_CONTROLS_REPEAT_TITLE}',
+    'args0': [
+      {
+        'type': 'field_number',
+        'name': 'TIMES',
+        'value': 10,
+        'min': 0,
+        'precision': 1,
+      },
+    ],
+    'message1': '%{BKY_CONTROLS_REPEAT_INPUT_DO} %1',
+    'args1': [
+      {
+        'type': 'input_statement',
+        'name': 'DO',
+      },
+    ],
+    'previousStatement': null,
+    'nextStatement': null,
+    'style': 'loop_blocks',
+    'tooltip': '%{BKY_CONTROLS_REPEAT_TOOLTIP}',
+    'helpUrl': '%{BKY_CONTROLS_REPEAT_HELPURL}',
+  },
+  // Block for 'do while/until' loop.
+  {
+    'type': 'controls_whileUntil',
+    'message0': '%1 %2',
+    'args0': [
+      {
+        'type': 'field_dropdown',
+        'name': 'MODE',
+        'options': [
+          ['%{BKY_CONTROLS_WHILEUNTIL_OPERATOR_WHILE}', 'WHILE'],
+          ['%{BKY_CONTROLS_WHILEUNTIL_OPERATOR_UNTIL}', 'UNTIL'],
+        ],
+      },
+      {
+        'type': 'input_value',
+        'name': 'BOOL',
+        'check': 'Boolean',
+      },
+    ],
+    'message1': '%{BKY_CONTROLS_REPEAT_INPUT_DO} %1',
+    'args1': [
+      {
+        'type': 'input_statement',
+        'name': 'DO',
+      },
+    ],
+    'previousStatement': null,
+    'nextStatement': null,
+    'style': 'loop_blocks',
+    'helpUrl': '%{BKY_CONTROLS_WHILEUNTIL_HELPURL}',
+    'extensions': ['controls_whileUntil_tooltip'],
+  },
+  // Block for 'for' loop.
+  {
+    'type': 'controls_for',
+    'message0': '%{BKY_CONTROLS_FOR_TITLE}',
+    'args0': [
+      {
+        'type': 'field_variable',
+        'name': 'VAR',
+        'variable': null,
+      },
+      {
+        'type': 'input_value',
+        'name': 'FROM',
+        'check': 'Number',
+        'align': 'RIGHT',
+      },
+      {
+        'type': 'input_value',
+        'name': 'TO',
+        'check': 'Number',
+        'align': 'RIGHT',
+      },
+      {
+        'type': 'input_value',
+        'name': 'BY',
+        'check': 'Number',
+        'align': 'RIGHT',
+      },
+    ],
+    'message1': '%{BKY_CONTROLS_REPEAT_INPUT_DO} %1',
+    'args1': [
+      {
+        'type': 'input_statement',
+        'name': 'DO',
+      },
+    ],
+    'inputsInline': true,
+    'previousStatement': null,
+    'nextStatement': null,
+    'style': 'loop_blocks',
+    'helpUrl': '%{BKY_CONTROLS_FOR_HELPURL}',
+    'extensions': ['contextMenu_newGetVariableBlock', 'controls_for_tooltip'],
+  },
+  // Block for 'for each' loop.
+  {
+    'type': 'controls_forEach',
+    'message0': '%{BKY_CONTROLS_FOREACH_TITLE}',
+    'args0': [
+      {
+        'type': 'field_variable',
+        'name': 'VAR',
+        'variable': null,
+      },
+      {
+        'type': 'input_value',
+        'name': 'LIST',
+        'check': 'Array',
+      },
+    ],
+    'message1': '%{BKY_CONTROLS_REPEAT_INPUT_DO} %1',
+    'args1': [
+      {
+        'type': 'input_statement',
+        'name': 'DO',
+      },
+    ],
+    'previousStatement': null,
+    'nextStatement': null,
+    'style': 'loop_blocks',
+    'helpUrl': '%{BKY_CONTROLS_FOREACH_HELPURL}',
+    'extensions': [
+      'contextMenu_newGetVariableBlock',
+      'controls_forEach_tooltip',
+    ],
+  },
+  // Block for flow statements: continue, break.
+  {
+    'type': 'controls_flow_statements',
+    'message0': '%1',
+    'args0': [
+      {
+        'type': 'field_dropdown',
+        'name': 'FLOW',
+        'options': [
+          ['%{BKY_CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK}', 'BREAK'],
+          ['%{BKY_CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE}', 'CONTINUE'],
+        ],
+      },
+    ],
+    'previousStatement': null,
+    'style': 'loop_blocks',
+    'helpUrl': '%{BKY_CONTROLS_FLOW_STATEMENTS_HELPURL}',
+    'suppressPrefixSuffix': true,
+    'extensions': ['controls_flow_tooltip', 'controls_flow_in_loop_check'],
+  },
+]);
+
+/**
+ * Tooltips for the 'controls_whileUntil' block, keyed by MODE value.
+ *
+ * @see {Extensions#buildTooltipForDropdown}
+ */
+const WHILE_UNTIL_TOOLTIPS = {
+  'WHILE': '%{BKY_CONTROLS_WHILEUNTIL_TOOLTIP_WHILE}',
+  'UNTIL': '%{BKY_CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL}',
+};
+
+Extensions.register(
+  'controls_whileUntil_tooltip',
+  Extensions.buildTooltipForDropdown('MODE', WHILE_UNTIL_TOOLTIPS),
+);
+
+/**
+ * Tooltips for the 'controls_flow_statements' block, keyed by FLOW value.
+ *
+ * @see {Extensions#buildTooltipForDropdown}
+ */
+const BREAK_CONTINUE_TOOLTIPS = {
+  'BREAK': '%{BKY_CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK}',
+  'CONTINUE': '%{BKY_CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE}',
+};
+
+Extensions.register(
+  'controls_flow_tooltip',
+  Extensions.buildTooltipForDropdown('FLOW', BREAK_CONTINUE_TOOLTIPS),
+);
+
+/** Type of a block that has CUSTOM_CONTEXT_MENU_CREATE_VARIABLES_GET_MIXIN */
+type CustomContextMenuBlock = Block & CustomContextMenuMixin;
+interface CustomContextMenuMixin extends CustomContextMenuMixinType {}
+type CustomContextMenuMixinType =
+  typeof CUSTOM_CONTEXT_MENU_CREATE_VARIABLES_GET_MIXIN;
+
+/**
+ * Mixin to add a context menu item to create a 'variables_get' block.
+ * Used by blocks 'controls_for' and 'controls_forEach'.
+ */
+const CUSTOM_CONTEXT_MENU_CREATE_VARIABLES_GET_MIXIN = {
+  /**
+   * Add context menu option to create getter block for the loop's variable.
+   * (customContextMenu support limited to web BlockSvg.)
+   *
+   * @param options List of menu options to add to.
+   */
+  customContextMenu: function (
+    this: CustomContextMenuBlock,
+    options: Array<ContextMenuOption | LegacyContextMenuOption>,
+  ) {
+    if (this.isInFlyout) {
+      return;
+    }
+    const varField = this.getField('VAR') as FieldVariable;
+    const variable = varField.getVariable()!;
+    const varName = variable.name;
+    if (!this.isCollapsed() && varName !== null) {
+      const getVarBlockState = {
+        type: 'variables_get',
+        fields: {VAR: varField.saveState(true)},
+      };
+
+      options.push({
+        enabled: true,
+        text: Msg['VARIABLES_SET_CREATE_GET'].replace('%1', varName),
+        callback: ContextMenu.callbackFactory(this, getVarBlockState),
+      });
+    }
+  },
+};
+
+Extensions.registerMixin(
+  'contextMenu_newGetVariableBlock',
+  CUSTOM_CONTEXT_MENU_CREATE_VARIABLES_GET_MIXIN,
+);
+
+Extensions.register(
+  'controls_for_tooltip',
+  Extensions.buildTooltipWithFieldText('%{BKY_CONTROLS_FOR_TOOLTIP}', 'VAR'),
+);
+
+Extensions.register(
+  'controls_forEach_tooltip',
+  Extensions.buildTooltipWithFieldText(
+    '%{BKY_CONTROLS_FOREACH_TOOLTIP}',
+    'VAR',
+  ),
+);
+
+/**
+ * List of block types that are loops and thus do not need warnings.
+ * To add a new loop type add this to your code:
+ *
+ * // If using the Blockly npm package and es6 import syntax:
+ * import {loops} from 'blockly/blocks';
+ * loops.loopTypes.add('custom_loop');
+ *
+ * // Else if using Closure Compiler and goog.modules:
+ * const {loopTypes} = goog.require('Blockly.libraryBlocks.loops');
+ * loopTypes.add('custom_loop');
+ *
+ * // Else if using blockly_compressed + blockss_compressed.js in browser:
+ * Blockly.libraryBlocks.loopTypes.add('custom_loop');
+ */
+export const loopTypes: Set<string> = new Set([
+  'controls_repeat',
+  'controls_repeat_ext',
+  'controls_forEach',
+  'controls_for',
+  'controls_whileUntil',
+]);
+
+/**
+ * Type of a block that has CONTROL_FLOW_IN_LOOP_CHECK_MIXIN
+ *
+ * @internal
+ */
+export type ControlFlowInLoopBlock = Block & ControlFlowInLoopMixin;
+interface ControlFlowInLoopMixin extends ControlFlowInLoopMixinType {}
+type ControlFlowInLoopMixinType = typeof CONTROL_FLOW_IN_LOOP_CHECK_MIXIN;
+
+/**
+ * The language-neutral ID for when the reason why a block is disabled is
+ * because the block is only valid inside of a loop.
+ */
+const CONTROL_FLOW_NOT_IN_LOOP_DISABLED_REASON = 'CONTROL_FLOW_NOT_IN_LOOP';
+/**
+ * This mixin adds a check to make sure the 'controls_flow_statements' block
+ * is contained in a loop. Otherwise a warning is added to the block.
+ */
+const CONTROL_FLOW_IN_LOOP_CHECK_MIXIN = {
+  /**
+   * Is this block enclosed (at any level) by a loop?
+   *
+   * @returns The nearest surrounding loop, or null if none.
+   */
+  getSurroundLoop: function (this: ControlFlowInLoopBlock): Block | null {
+    // eslint-disable-next-line @typescript-eslint/no-this-alias
+    let block: Block | null = this;
+    do {
+      if (loopTypes.has(block.type)) {
+        return block;
+      }
+      block = block.getSurroundParent();
+    } while (block);
+    return null;
+  },
+
+  /**
+   * Called whenever anything on the workspace changes.
+   * Add warning if this flow block is not nested inside a loop.
+   */
+  onchange: function (this: ControlFlowInLoopBlock, e: AbstractEvent) {
+    const ws = this.workspace as WorkspaceSvg;
+    // Don't change state if:
+    //   * It's at the start of a drag.
+    //   * It's not a move event.
+    if (
+      !ws.isDragging ||
+      ws.isDragging() ||
+      (e.type !== Events.BLOCK_MOVE && e.type !== Events.BLOCK_CREATE)
+    ) {
+      return;
+    }
+    const enabled = !!this.getSurroundLoop();
+    this.setWarningText(
+      enabled ? null : Msg['CONTROLS_FLOW_STATEMENTS_WARNING'],
+    );
+
+    if (!this.isInFlyout) {
+      try {
+        // There is no need to record the enable/disable change on the undo/redo
+        // list since the change will be automatically recreated when replayed.
+        eventUtils.setRecordUndo(false);
+        this.setDisabledReason(
+          !enabled,
+          CONTROL_FLOW_NOT_IN_LOOP_DISABLED_REASON,
+        );
+      } finally {
+        eventUtils.setRecordUndo(true);
+      }
+    }
+  },
+};
+
+Extensions.registerMixin(
+  'controls_flow_in_loop_check',
+  CONTROL_FLOW_IN_LOOP_CHECK_MIXIN,
+);
+
+// Register provided blocks.
+defineBlocks(blocks);
diff --git a/blocks/math.js b/blocks/math.js
deleted file mode 100644
index b6827c5b121..00000000000
--- a/blocks/math.js
+++ /dev/null
@@ -1,566 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Math blocks for Blockly.
- *
- * This file is scraped to extract a .json file of block definitions. The array
- * passed to defineBlocksWithJsonArray(..) must be strict JSON: double quotes
- * only, no outside references, no functions, no trailing commas, etc. The one
- * exception is end-of-line comments, which the scraper will remove.
- * @author q.neutron@gmail.com (Quynh Neutron)
- */
-'use strict';
-
-goog.provide('Blockly.Blocks.math');  // Deprecated
-goog.provide('Blockly.Constants.Math');
-
-goog.require('Blockly');
-goog.require('Blockly.Blocks');
-goog.require('Blockly.FieldDropdown');
-goog.require('Blockly.FieldLabel');
-goog.require('Blockly.FieldNumber');
-goog.require('Blockly.FieldVariable');
-
-
-/**
- * Unused constant for the common HSV hue for all blocks in this category.
- * @deprecated Use Blockly.Msg['MATH_HUE']. (2018 April 5)
- */
-Blockly.Constants.Math.HUE = 230;
-
-Blockly.defineBlocksWithJsonArray([  // BEGIN JSON EXTRACT
-  // Block for numeric value.
-  {
-    "type": "math_number",
-    "message0": "%1",
-    "args0": [{
-      "type": "field_number",
-      "name": "NUM",
-      "value": 0
-    }],
-    "output": "Number",
-    "helpUrl": "%{BKY_MATH_NUMBER_HELPURL}",
-    "style": "math_blocks",
-    "tooltip": "%{BKY_MATH_NUMBER_TOOLTIP}",
-    "extensions": ["parent_tooltip_when_inline"]
-  },
-
-  // Block for basic arithmetic operator.
-  {
-    "type": "math_arithmetic",
-    "message0": "%1 %2 %3",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "A",
-        "check": "Number"
-      },
-      {
-        "type": "field_dropdown",
-        "name": "OP",
-        "options": [
-          ["%{BKY_MATH_ADDITION_SYMBOL}", "ADD"],
-          ["%{BKY_MATH_SUBTRACTION_SYMBOL}", "MINUS"],
-          ["%{BKY_MATH_MULTIPLICATION_SYMBOL}", "MULTIPLY"],
-          ["%{BKY_MATH_DIVISION_SYMBOL}", "DIVIDE"],
-          ["%{BKY_MATH_POWER_SYMBOL}", "POWER"]
-        ]
-      },
-      {
-        "type": "input_value",
-        "name": "B",
-        "check": "Number"
-      }
-    ],
-    "inputsInline": true,
-    "output": "Number",
-    "style": "math_blocks",
-    "helpUrl": "%{BKY_MATH_ARITHMETIC_HELPURL}",
-    "extensions": ["math_op_tooltip"]
-  },
-
-  // Block for advanced math operators with single operand.
-  {
-    "type": "math_single",
-    "message0": "%1 %2",
-    "args0": [
-      {
-        "type": "field_dropdown",
-        "name": "OP",
-        "options": [
-          ["%{BKY_MATH_SINGLE_OP_ROOT}", 'ROOT'],
-          ["%{BKY_MATH_SINGLE_OP_ABSOLUTE}", 'ABS'],
-          ['-', 'NEG'],
-          ['ln', 'LN'],
-          ['log10', 'LOG10'],
-          ['e^', 'EXP'],
-          ['10^', 'POW10']
-        ]
-      },
-      {
-        "type": "input_value",
-        "name": "NUM",
-        "check": "Number"
-      }
-    ],
-    "output": "Number",
-    "style": "math_blocks",
-    "helpUrl": "%{BKY_MATH_SINGLE_HELPURL}",
-    "extensions": ["math_op_tooltip"]
-  },
-
-  // Block for trigonometry operators.
-  {
-    "type": "math_trig",
-    "message0": "%1 %2",
-    "args0": [
-      {
-        "type": "field_dropdown",
-        "name": "OP",
-        "options": [
-          ["%{BKY_MATH_TRIG_SIN}", "SIN"],
-          ["%{BKY_MATH_TRIG_COS}", "COS"],
-          ["%{BKY_MATH_TRIG_TAN}", "TAN"],
-          ["%{BKY_MATH_TRIG_ASIN}", "ASIN"],
-          ["%{BKY_MATH_TRIG_ACOS}", "ACOS"],
-          ["%{BKY_MATH_TRIG_ATAN}", "ATAN"]
-        ]
-      },
-      {
-        "type": "input_value",
-        "name": "NUM",
-        "check": "Number"
-      }
-    ],
-    "output": "Number",
-    "style": "math_blocks",
-    "helpUrl": "%{BKY_MATH_TRIG_HELPURL}",
-    "extensions": ["math_op_tooltip"]
-  },
-
-  // Block for constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
-  {
-    "type": "math_constant",
-    "message0": "%1",
-    "args0": [
-      {
-        "type": "field_dropdown",
-        "name": "CONSTANT",
-        "options": [
-          ["\u03c0", "PI"],
-          ["e", "E"],
-          ["\u03c6", "GOLDEN_RATIO"],
-          ["sqrt(2)", "SQRT2"],
-          ["sqrt(\u00bd)", "SQRT1_2"],
-          ["\u221e", "INFINITY"]
-        ]
-      }
-    ],
-    "output": "Number",
-    "style": "math_blocks",
-    "tooltip": "%{BKY_MATH_CONSTANT_TOOLTIP}",
-    "helpUrl": "%{BKY_MATH_CONSTANT_HELPURL}"
-  },
-
-  // Block for checking if a number is even, odd, prime, whole, positive,
-  // negative or if it is divisible by certain number.
-  {
-    "type": "math_number_property",
-    "message0": "%1 %2",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "NUMBER_TO_CHECK",
-        "check": "Number"
-      },
-      {
-        "type": "field_dropdown",
-        "name": "PROPERTY",
-        "options": [
-          ["%{BKY_MATH_IS_EVEN}", "EVEN"],
-          ["%{BKY_MATH_IS_ODD}", "ODD"],
-          ["%{BKY_MATH_IS_PRIME}", "PRIME"],
-          ["%{BKY_MATH_IS_WHOLE}", "WHOLE"],
-          ["%{BKY_MATH_IS_POSITIVE}", "POSITIVE"],
-          ["%{BKY_MATH_IS_NEGATIVE}", "NEGATIVE"],
-          ["%{BKY_MATH_IS_DIVISIBLE_BY}", "DIVISIBLE_BY"]
-        ]
-      }
-    ],
-    "inputsInline": true,
-    "output": "Boolean",
-    "style": "math_blocks",
-    "tooltip": "%{BKY_MATH_IS_TOOLTIP}",
-    "mutator": "math_is_divisibleby_mutator"
-  },
-
-  // Block for adding to a variable in place.
-  {
-    "type": "math_change",
-    "message0": "%{BKY_MATH_CHANGE_TITLE}",
-    "args0": [
-      {
-        "type": "field_variable",
-        "name": "VAR",
-        "variable": "%{BKY_MATH_CHANGE_TITLE_ITEM}"
-      },
-      {
-        "type": "input_value",
-        "name": "DELTA",
-        "check": "Number"
-      }
-    ],
-    "previousStatement": null,
-    "nextStatement": null,
-    "style": "variable_blocks",
-    "helpUrl": "%{BKY_MATH_CHANGE_HELPURL}",
-    "extensions": ["math_change_tooltip"]
-  },
-
-  // Block for rounding functions.
-  {
-    "type": "math_round",
-    "message0": "%1 %2",
-    "args0": [
-      {
-        "type": "field_dropdown",
-        "name": "OP",
-        "options": [
-          ["%{BKY_MATH_ROUND_OPERATOR_ROUND}", "ROUND"],
-          ["%{BKY_MATH_ROUND_OPERATOR_ROUNDUP}", "ROUNDUP"],
-          ["%{BKY_MATH_ROUND_OPERATOR_ROUNDDOWN}", "ROUNDDOWN"]
-        ]
-      },
-      {
-        "type": "input_value",
-        "name": "NUM",
-        "check": "Number"
-      }
-    ],
-    "output": "Number",
-    "style": "math_blocks",
-    "helpUrl": "%{BKY_MATH_ROUND_HELPURL}",
-    "tooltip": "%{BKY_MATH_ROUND_TOOLTIP}"
-  },
-
-  // Block for evaluating a list of numbers to return sum, average, min, max,
-  // etc.  Some functions also work on text (min, max, mode, median).
-  {
-    "type": "math_on_list",
-    "message0": "%1 %2",
-    "args0": [
-      {
-        "type": "field_dropdown",
-        "name": "OP",
-        "options": [
-          ["%{BKY_MATH_ONLIST_OPERATOR_SUM}", "SUM"],
-          ["%{BKY_MATH_ONLIST_OPERATOR_MIN}", "MIN"],
-          ["%{BKY_MATH_ONLIST_OPERATOR_MAX}", "MAX"],
-          ["%{BKY_MATH_ONLIST_OPERATOR_AVERAGE}", "AVERAGE"],
-          ["%{BKY_MATH_ONLIST_OPERATOR_MEDIAN}", "MEDIAN"],
-          ["%{BKY_MATH_ONLIST_OPERATOR_MODE}", "MODE"],
-          ["%{BKY_MATH_ONLIST_OPERATOR_STD_DEV}", "STD_DEV"],
-          ["%{BKY_MATH_ONLIST_OPERATOR_RANDOM}", "RANDOM"]
-        ]
-      },
-      {
-        "type": "input_value",
-        "name": "LIST",
-        "check": "Array"
-      }
-    ],
-    "output": "Number",
-    "style": "math_blocks",
-    "helpUrl": "%{BKY_MATH_ONLIST_HELPURL}",
-    "mutator": "math_modes_of_list_mutator",
-    "extensions": ["math_op_tooltip"]
-  },
-
-  // Block for remainder of a division.
-  {
-    "type": "math_modulo",
-    "message0": "%{BKY_MATH_MODULO_TITLE}",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "DIVIDEND",
-        "check": "Number"
-      },
-      {
-        "type": "input_value",
-        "name": "DIVISOR",
-        "check": "Number"
-      }
-    ],
-    "inputsInline": true,
-    "output": "Number",
-    "style": "math_blocks",
-    "tooltip": "%{BKY_MATH_MODULO_TOOLTIP}",
-    "helpUrl": "%{BKY_MATH_MODULO_HELPURL}"
-  },
-
-  // Block for constraining a number between two limits.
-  {
-    "type": "math_constrain",
-    "message0": "%{BKY_MATH_CONSTRAIN_TITLE}",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "VALUE",
-        "check": "Number"
-      },
-      {
-        "type": "input_value",
-        "name": "LOW",
-        "check": "Number"
-      },
-      {
-        "type": "input_value",
-        "name": "HIGH",
-        "check": "Number"
-      }
-    ],
-    "inputsInline": true,
-    "output": "Number",
-    "style": "math_blocks",
-    "tooltip": "%{BKY_MATH_CONSTRAIN_TOOLTIP}",
-    "helpUrl": "%{BKY_MATH_CONSTRAIN_HELPURL}"
-  },
-
-  // Block for random integer between [X] and [Y].
-  {
-    "type": "math_random_int",
-    "message0": "%{BKY_MATH_RANDOM_INT_TITLE}",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "FROM",
-        "check": "Number"
-      },
-      {
-        "type": "input_value",
-        "name": "TO",
-        "check": "Number"
-      }
-    ],
-    "inputsInline": true,
-    "output": "Number",
-    "style": "math_blocks",
-    "tooltip": "%{BKY_MATH_RANDOM_INT_TOOLTIP}",
-    "helpUrl": "%{BKY_MATH_RANDOM_INT_HELPURL}"
-  },
-
-  // Block for random integer between [X] and [Y].
-  {
-    "type": "math_random_float",
-    "message0": "%{BKY_MATH_RANDOM_FLOAT_TITLE_RANDOM}",
-    "output": "Number",
-    "style": "math_blocks",
-    "tooltip": "%{BKY_MATH_RANDOM_FLOAT_TOOLTIP}",
-    "helpUrl": "%{BKY_MATH_RANDOM_FLOAT_HELPURL}"
-  },
-
-  // Block for calculating atan2 of [X] and [Y].
-  {
-    "type": "math_atan2",
-    "message0": "%{BKY_MATH_ATAN2_TITLE}",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "X",
-        "check": "Number"
-      },
-      {
-        "type": "input_value",
-        "name": "Y",
-        "check": "Number"
-      }
-    ],
-    "inputsInline": true,
-    "output": "Number",
-    "style": "math_blocks",
-    "tooltip": "%{BKY_MATH_ATAN2_TOOLTIP}",
-    "helpUrl": "%{BKY_MATH_ATAN2_HELPURL}"
-  }
-]);  // END JSON EXTRACT (Do not delete this comment.)
-
-/**
- * Mapping of math block OP value to tooltip message for blocks
- * math_arithmetic, math_simple, math_trig, and math_on_lists.
- * @see {Blockly.Extensions#buildTooltipForDropdown}
- * @package
- * @readonly
- */
-Blockly.Constants.Math.TOOLTIPS_BY_OP = {
-  // math_arithmetic
-  'ADD': '%{BKY_MATH_ARITHMETIC_TOOLTIP_ADD}',
-  'MINUS': '%{BKY_MATH_ARITHMETIC_TOOLTIP_MINUS}',
-  'MULTIPLY': '%{BKY_MATH_ARITHMETIC_TOOLTIP_MULTIPLY}',
-  'DIVIDE': '%{BKY_MATH_ARITHMETIC_TOOLTIP_DIVIDE}',
-  'POWER': '%{BKY_MATH_ARITHMETIC_TOOLTIP_POWER}',
-
-  // math_simple
-  'ROOT': '%{BKY_MATH_SINGLE_TOOLTIP_ROOT}',
-  'ABS': '%{BKY_MATH_SINGLE_TOOLTIP_ABS}',
-  'NEG': '%{BKY_MATH_SINGLE_TOOLTIP_NEG}',
-  'LN': '%{BKY_MATH_SINGLE_TOOLTIP_LN}',
-  'LOG10': '%{BKY_MATH_SINGLE_TOOLTIP_LOG10}',
-  'EXP': '%{BKY_MATH_SINGLE_TOOLTIP_EXP}',
-  'POW10': '%{BKY_MATH_SINGLE_TOOLTIP_POW10}',
-
-  // math_trig
-  'SIN': '%{BKY_MATH_TRIG_TOOLTIP_SIN}',
-  'COS': '%{BKY_MATH_TRIG_TOOLTIP_COS}',
-  'TAN': '%{BKY_MATH_TRIG_TOOLTIP_TAN}',
-  'ASIN': '%{BKY_MATH_TRIG_TOOLTIP_ASIN}',
-  'ACOS': '%{BKY_MATH_TRIG_TOOLTIP_ACOS}',
-  'ATAN': '%{BKY_MATH_TRIG_TOOLTIP_ATAN}',
-
-  // math_on_lists
-  'SUM': '%{BKY_MATH_ONLIST_TOOLTIP_SUM}',
-  'MIN': '%{BKY_MATH_ONLIST_TOOLTIP_MIN}',
-  'MAX': '%{BKY_MATH_ONLIST_TOOLTIP_MAX}',
-  'AVERAGE': '%{BKY_MATH_ONLIST_TOOLTIP_AVERAGE}',
-  'MEDIAN': '%{BKY_MATH_ONLIST_TOOLTIP_MEDIAN}',
-  'MODE': '%{BKY_MATH_ONLIST_TOOLTIP_MODE}',
-  'STD_DEV': '%{BKY_MATH_ONLIST_TOOLTIP_STD_DEV}',
-  'RANDOM': '%{BKY_MATH_ONLIST_TOOLTIP_RANDOM}'
-};
-
-Blockly.Extensions.register('math_op_tooltip',
-    Blockly.Extensions.buildTooltipForDropdown(
-        'OP', Blockly.Constants.Math.TOOLTIPS_BY_OP));
-
-
-/**
- * Mixin for mutator functions in the 'math_is_divisibleby_mutator'
- * extension.
- * @mixin
- * @augments Blockly.Block
- * @package
- */
-Blockly.Constants.Math.IS_DIVISIBLEBY_MUTATOR_MIXIN = {
-  /**
-   * Create XML to represent whether the 'divisorInput' should be present.
-   * @return {!Element} XML storage element.
-   * @this {Blockly.Block}
-   */
-  mutationToDom: function() {
-    var container = Blockly.utils.xml.createElement('mutation');
-    var divisorInput = (this.getFieldValue('PROPERTY') == 'DIVISIBLE_BY');
-    container.setAttribute('divisor_input', divisorInput);
-    return container;
-  },
-  /**
-   * Parse XML to restore the 'divisorInput'.
-   * @param {!Element} xmlElement XML storage element.
-   * @this {Blockly.Block}
-   */
-  domToMutation: function(xmlElement) {
-    var divisorInput = (xmlElement.getAttribute('divisor_input') == 'true');
-    this.updateShape_(divisorInput);
-  },
-  /**
-   * Modify this block to have (or not have) an input for 'is divisible by'.
-   * @param {boolean} divisorInput True if this block has a divisor input.
-   * @private
-   * @this {Blockly.Block}
-   */
-  updateShape_: function(divisorInput) {
-    // Add or remove a Value Input.
-    var inputExists = this.getInput('DIVISOR');
-    if (divisorInput) {
-      if (!inputExists) {
-        this.appendValueInput('DIVISOR')
-            .setCheck('Number');
-      }
-    } else if (inputExists) {
-      this.removeInput('DIVISOR');
-    }
-  }
-};
-
-/**
- * 'math_is_divisibleby_mutator' extension to the 'math_property' block that
- * can update the block shape (add/remove divisor input) based on whether
- * property is "divisible by".
- * @this {Blockly.Block}
- * @package
- */
-Blockly.Constants.Math.IS_DIVISIBLE_MUTATOR_EXTENSION = function() {
-  this.getField('PROPERTY').setValidator(function(option) {
-    var divisorInput = (option == 'DIVISIBLE_BY');
-    this.getSourceBlock().updateShape_(divisorInput);
-  });
-};
-
-Blockly.Extensions.registerMutator('math_is_divisibleby_mutator',
-    Blockly.Constants.Math.IS_DIVISIBLEBY_MUTATOR_MIXIN,
-    Blockly.Constants.Math.IS_DIVISIBLE_MUTATOR_EXTENSION);
-
-// Update the tooltip of 'math_change' block to reference the variable.
-Blockly.Extensions.register('math_change_tooltip',
-    Blockly.Extensions.buildTooltipWithFieldText(
-        '%{BKY_MATH_CHANGE_TOOLTIP}', 'VAR'));
-
-/**
- * Mixin with mutator methods to support alternate output based if the
- * 'math_on_list' block uses the 'MODE' operation.
- * @mixin
- * @augments Blockly.Block
- * @package
- * @readonly
- */
-Blockly.Constants.Math.LIST_MODES_MUTATOR_MIXIN = {
-  /**
-   * Modify this block to have the correct output type.
-   * @param {string} newOp Either 'MODE' or some op than returns a number.
-   * @private
-   * @this {Blockly.Block}
-   */
-  updateType_: function(newOp) {
-    if (newOp == 'MODE') {
-      this.outputConnection.setCheck('Array');
-    } else {
-      this.outputConnection.setCheck('Number');
-    }
-  },
-  /**
-   * Create XML to represent the output type.
-   * @return {!Element} XML storage element.
-   * @this {Blockly.Block}
-   */
-  mutationToDom: function() {
-    var container = Blockly.utils.xml.createElement('mutation');
-    container.setAttribute('op', this.getFieldValue('OP'));
-    return container;
-  },
-  /**
-   * Parse XML to restore the output type.
-   * @param {!Element} xmlElement XML storage element.
-   * @this {Blockly.Block}
-   */
-  domToMutation: function(xmlElement) {
-    this.updateType_(xmlElement.getAttribute('op'));
-  }
-};
-
-/**
- * Extension to 'math_on_list' blocks that allows support of
- * modes operation (outputs a list of numbers).
- * @this {Blockly.Block}
- * @package
- */
-Blockly.Constants.Math.LIST_MODES_MUTATOR_EXTENSION = function() {
-  this.getField('OP').setValidator(function(newOp) {
-    this.updateType_(newOp);
-  }.bind(this));
-};
-
-Blockly.Extensions.registerMutator('math_modes_of_list_mutator',
-    Blockly.Constants.Math.LIST_MODES_MUTATOR_MIXIN,
-    Blockly.Constants.Math.LIST_MODES_MUTATOR_EXTENSION);
diff --git a/blocks/math.ts b/blocks/math.ts
new file mode 100644
index 00000000000..c96aef3c23b
--- /dev/null
+++ b/blocks/math.ts
@@ -0,0 +1,591 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.libraryBlocks.math
+
+import * as Extensions from '../core/extensions.js';
+import type {FieldDropdown} from '../core/field_dropdown.js';
+import * as xmlUtils from '../core/utils/xml.js';
+import type {Block} from '../core/block.js';
+import {
+  createBlockDefinitionsFromJsonArray,
+  defineBlocks,
+} from '../core/common.js';
+import '../core/field_dropdown.js';
+import '../core/field_label.js';
+import '../core/field_number.js';
+import '../core/field_variable.js';
+
+/**
+ * A dictionary of the block definitions provided by this module.
+ */
+export const blocks = createBlockDefinitionsFromJsonArray([
+  // Block for numeric value.
+  {
+    'type': 'math_number',
+    'message0': '%1',
+    'args0': [
+      {
+        'type': 'field_number',
+        'name': 'NUM',
+        'value': 0,
+      },
+    ],
+    'output': 'Number',
+    'helpUrl': '%{BKY_MATH_NUMBER_HELPURL}',
+    'style': 'math_blocks',
+    'tooltip': '%{BKY_MATH_NUMBER_TOOLTIP}',
+    'extensions': ['parent_tooltip_when_inline'],
+  },
+
+  // Block for basic arithmetic operator.
+  {
+    'type': 'math_arithmetic',
+    'message0': '%1 %2 %3',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'A',
+        'check': 'Number',
+      },
+      {
+        'type': 'field_dropdown',
+        'name': 'OP',
+        'options': [
+          ['%{BKY_MATH_ADDITION_SYMBOL}', 'ADD'],
+          ['%{BKY_MATH_SUBTRACTION_SYMBOL}', 'MINUS'],
+          ['%{BKY_MATH_MULTIPLICATION_SYMBOL}', 'MULTIPLY'],
+          ['%{BKY_MATH_DIVISION_SYMBOL}', 'DIVIDE'],
+          ['%{BKY_MATH_POWER_SYMBOL}', 'POWER'],
+        ],
+      },
+      {
+        'type': 'input_value',
+        'name': 'B',
+        'check': 'Number',
+      },
+    ],
+    'inputsInline': true,
+    'output': 'Number',
+    'style': 'math_blocks',
+    'helpUrl': '%{BKY_MATH_ARITHMETIC_HELPURL}',
+    'extensions': ['math_op_tooltip'],
+  },
+
+  // Block for advanced math operators with single operand.
+  {
+    'type': 'math_single',
+    'message0': '%1 %2',
+    'args0': [
+      {
+        'type': 'field_dropdown',
+        'name': 'OP',
+        'options': [
+          ['%{BKY_MATH_SINGLE_OP_ROOT}', 'ROOT'],
+          ['%{BKY_MATH_SINGLE_OP_ABSOLUTE}', 'ABS'],
+          ['-', 'NEG'],
+          ['ln', 'LN'],
+          ['log10', 'LOG10'],
+          ['e^', 'EXP'],
+          ['10^', 'POW10'],
+        ],
+      },
+      {
+        'type': 'input_value',
+        'name': 'NUM',
+        'check': 'Number',
+      },
+    ],
+    'output': 'Number',
+    'style': 'math_blocks',
+    'helpUrl': '%{BKY_MATH_SINGLE_HELPURL}',
+    'extensions': ['math_op_tooltip'],
+  },
+
+  // Block for trigonometry operators.
+  {
+    'type': 'math_trig',
+    'message0': '%1 %2',
+    'args0': [
+      {
+        'type': 'field_dropdown',
+        'name': 'OP',
+        'options': [
+          ['%{BKY_MATH_TRIG_SIN}', 'SIN'],
+          ['%{BKY_MATH_TRIG_COS}', 'COS'],
+          ['%{BKY_MATH_TRIG_TAN}', 'TAN'],
+          ['%{BKY_MATH_TRIG_ASIN}', 'ASIN'],
+          ['%{BKY_MATH_TRIG_ACOS}', 'ACOS'],
+          ['%{BKY_MATH_TRIG_ATAN}', 'ATAN'],
+        ],
+      },
+      {
+        'type': 'input_value',
+        'name': 'NUM',
+        'check': 'Number',
+      },
+    ],
+    'output': 'Number',
+    'style': 'math_blocks',
+    'helpUrl': '%{BKY_MATH_TRIG_HELPURL}',
+    'extensions': ['math_op_tooltip'],
+  },
+
+  // Block for constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
+  {
+    'type': 'math_constant',
+    'message0': '%1',
+    'args0': [
+      {
+        'type': 'field_dropdown',
+        'name': 'CONSTANT',
+        'options': [
+          ['\u03c0', 'PI'],
+          ['e', 'E'],
+          ['\u03c6', 'GOLDEN_RATIO'],
+          ['sqrt(2)', 'SQRT2'],
+          ['sqrt(\u00bd)', 'SQRT1_2'],
+          ['\u221e', 'INFINITY'],
+        ],
+      },
+    ],
+    'output': 'Number',
+    'style': 'math_blocks',
+    'tooltip': '%{BKY_MATH_CONSTANT_TOOLTIP}',
+    'helpUrl': '%{BKY_MATH_CONSTANT_HELPURL}',
+  },
+
+  // Block for checking if a number is even, odd, prime, whole, positive,
+  // negative or if it is divisible by certain number.
+  {
+    'type': 'math_number_property',
+    'message0': '%1 %2',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'NUMBER_TO_CHECK',
+        'check': 'Number',
+      },
+      {
+        'type': 'field_dropdown',
+        'name': 'PROPERTY',
+        'options': [
+          ['%{BKY_MATH_IS_EVEN}', 'EVEN'],
+          ['%{BKY_MATH_IS_ODD}', 'ODD'],
+          ['%{BKY_MATH_IS_PRIME}', 'PRIME'],
+          ['%{BKY_MATH_IS_WHOLE}', 'WHOLE'],
+          ['%{BKY_MATH_IS_POSITIVE}', 'POSITIVE'],
+          ['%{BKY_MATH_IS_NEGATIVE}', 'NEGATIVE'],
+          ['%{BKY_MATH_IS_DIVISIBLE_BY}', 'DIVISIBLE_BY'],
+        ],
+      },
+    ],
+    'inputsInline': true,
+    'output': 'Boolean',
+    'style': 'math_blocks',
+    'tooltip': '%{BKY_MATH_IS_TOOLTIP}',
+    'mutator': 'math_is_divisibleby_mutator',
+  },
+
+  // Block for adding to a variable in place.
+  {
+    'type': 'math_change',
+    'message0': '%{BKY_MATH_CHANGE_TITLE}',
+    'args0': [
+      {
+        'type': 'field_variable',
+        'name': 'VAR',
+        'variable': '%{BKY_MATH_CHANGE_TITLE_ITEM}',
+      },
+      {
+        'type': 'input_value',
+        'name': 'DELTA',
+        'check': 'Number',
+      },
+    ],
+    'previousStatement': null,
+    'nextStatement': null,
+    'style': 'variable_blocks',
+    'helpUrl': '%{BKY_MATH_CHANGE_HELPURL}',
+    'extensions': ['math_change_tooltip'],
+  },
+
+  // Block for rounding functions.
+  {
+    'type': 'math_round',
+    'message0': '%1 %2',
+    'args0': [
+      {
+        'type': 'field_dropdown',
+        'name': 'OP',
+        'options': [
+          ['%{BKY_MATH_ROUND_OPERATOR_ROUND}', 'ROUND'],
+          ['%{BKY_MATH_ROUND_OPERATOR_ROUNDUP}', 'ROUNDUP'],
+          ['%{BKY_MATH_ROUND_OPERATOR_ROUNDDOWN}', 'ROUNDDOWN'],
+        ],
+      },
+      {
+        'type': 'input_value',
+        'name': 'NUM',
+        'check': 'Number',
+      },
+    ],
+    'output': 'Number',
+    'style': 'math_blocks',
+    'helpUrl': '%{BKY_MATH_ROUND_HELPURL}',
+    'tooltip': '%{BKY_MATH_ROUND_TOOLTIP}',
+  },
+
+  // Block for evaluating a list of numbers to return sum, average, min, max,
+  // etc.  Some functions also work on text (min, max, mode, median).
+  {
+    'type': 'math_on_list',
+    'message0': '%1 %2',
+    'args0': [
+      {
+        'type': 'field_dropdown',
+        'name': 'OP',
+        'options': [
+          ['%{BKY_MATH_ONLIST_OPERATOR_SUM}', 'SUM'],
+          ['%{BKY_MATH_ONLIST_OPERATOR_MIN}', 'MIN'],
+          ['%{BKY_MATH_ONLIST_OPERATOR_MAX}', 'MAX'],
+          ['%{BKY_MATH_ONLIST_OPERATOR_AVERAGE}', 'AVERAGE'],
+          ['%{BKY_MATH_ONLIST_OPERATOR_MEDIAN}', 'MEDIAN'],
+          ['%{BKY_MATH_ONLIST_OPERATOR_MODE}', 'MODE'],
+          ['%{BKY_MATH_ONLIST_OPERATOR_STD_DEV}', 'STD_DEV'],
+          ['%{BKY_MATH_ONLIST_OPERATOR_RANDOM}', 'RANDOM'],
+        ],
+      },
+      {
+        'type': 'input_value',
+        'name': 'LIST',
+        'check': 'Array',
+      },
+    ],
+    'output': 'Number',
+    'style': 'math_blocks',
+    'helpUrl': '%{BKY_MATH_ONLIST_HELPURL}',
+    'mutator': 'math_modes_of_list_mutator',
+    'extensions': ['math_op_tooltip'],
+  },
+
+  // Block for remainder of a division.
+  {
+    'type': 'math_modulo',
+    'message0': '%{BKY_MATH_MODULO_TITLE}',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'DIVIDEND',
+        'check': 'Number',
+      },
+      {
+        'type': 'input_value',
+        'name': 'DIVISOR',
+        'check': 'Number',
+      },
+    ],
+    'inputsInline': true,
+    'output': 'Number',
+    'style': 'math_blocks',
+    'tooltip': '%{BKY_MATH_MODULO_TOOLTIP}',
+    'helpUrl': '%{BKY_MATH_MODULO_HELPURL}',
+  },
+
+  // Block for constraining a number between two limits.
+  {
+    'type': 'math_constrain',
+    'message0': '%{BKY_MATH_CONSTRAIN_TITLE}',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'VALUE',
+        'check': 'Number',
+      },
+      {
+        'type': 'input_value',
+        'name': 'LOW',
+        'check': 'Number',
+      },
+      {
+        'type': 'input_value',
+        'name': 'HIGH',
+        'check': 'Number',
+      },
+    ],
+    'inputsInline': true,
+    'output': 'Number',
+    'style': 'math_blocks',
+    'tooltip': '%{BKY_MATH_CONSTRAIN_TOOLTIP}',
+    'helpUrl': '%{BKY_MATH_CONSTRAIN_HELPURL}',
+  },
+
+  // Block for random integer between [X] and [Y].
+  {
+    'type': 'math_random_int',
+    'message0': '%{BKY_MATH_RANDOM_INT_TITLE}',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'FROM',
+        'check': 'Number',
+      },
+      {
+        'type': 'input_value',
+        'name': 'TO',
+        'check': 'Number',
+      },
+    ],
+    'inputsInline': true,
+    'output': 'Number',
+    'style': 'math_blocks',
+    'tooltip': '%{BKY_MATH_RANDOM_INT_TOOLTIP}',
+    'helpUrl': '%{BKY_MATH_RANDOM_INT_HELPURL}',
+  },
+
+  // Block for random integer between [X] and [Y].
+  {
+    'type': 'math_random_float',
+    'message0': '%{BKY_MATH_RANDOM_FLOAT_TITLE_RANDOM}',
+    'output': 'Number',
+    'style': 'math_blocks',
+    'tooltip': '%{BKY_MATH_RANDOM_FLOAT_TOOLTIP}',
+    'helpUrl': '%{BKY_MATH_RANDOM_FLOAT_HELPURL}',
+  },
+
+  // Block for calculating atan2 of [X] and [Y].
+  {
+    'type': 'math_atan2',
+    'message0': '%{BKY_MATH_ATAN2_TITLE}',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'X',
+        'check': 'Number',
+      },
+      {
+        'type': 'input_value',
+        'name': 'Y',
+        'check': 'Number',
+      },
+    ],
+    'inputsInline': true,
+    'output': 'Number',
+    'style': 'math_blocks',
+    'tooltip': '%{BKY_MATH_ATAN2_TOOLTIP}',
+    'helpUrl': '%{BKY_MATH_ATAN2_HELPURL}',
+  },
+]);
+
+/**
+ * Mapping of math block OP value to tooltip message for blocks
+ * math_arithmetic, math_simple, math_trig, and math_on_lists.
+ *
+ * @see {Extensions#buildTooltipForDropdown}
+ * @package
+ * @readonly
+ */
+const TOOLTIPS_BY_OP = {
+  // math_arithmetic
+  'ADD': '%{BKY_MATH_ARITHMETIC_TOOLTIP_ADD}',
+  'MINUS': '%{BKY_MATH_ARITHMETIC_TOOLTIP_MINUS}',
+  'MULTIPLY': '%{BKY_MATH_ARITHMETIC_TOOLTIP_MULTIPLY}',
+  'DIVIDE': '%{BKY_MATH_ARITHMETIC_TOOLTIP_DIVIDE}',
+  'POWER': '%{BKY_MATH_ARITHMETIC_TOOLTIP_POWER}',
+
+  // math_simple
+  'ROOT': '%{BKY_MATH_SINGLE_TOOLTIP_ROOT}',
+  'ABS': '%{BKY_MATH_SINGLE_TOOLTIP_ABS}',
+  'NEG': '%{BKY_MATH_SINGLE_TOOLTIP_NEG}',
+  'LN': '%{BKY_MATH_SINGLE_TOOLTIP_LN}',
+  'LOG10': '%{BKY_MATH_SINGLE_TOOLTIP_LOG10}',
+  'EXP': '%{BKY_MATH_SINGLE_TOOLTIP_EXP}',
+  'POW10': '%{BKY_MATH_SINGLE_TOOLTIP_POW10}',
+
+  // math_trig
+  'SIN': '%{BKY_MATH_TRIG_TOOLTIP_SIN}',
+  'COS': '%{BKY_MATH_TRIG_TOOLTIP_COS}',
+  'TAN': '%{BKY_MATH_TRIG_TOOLTIP_TAN}',
+  'ASIN': '%{BKY_MATH_TRIG_TOOLTIP_ASIN}',
+  'ACOS': '%{BKY_MATH_TRIG_TOOLTIP_ACOS}',
+  'ATAN': '%{BKY_MATH_TRIG_TOOLTIP_ATAN}',
+
+  // math_on_lists
+  'SUM': '%{BKY_MATH_ONLIST_TOOLTIP_SUM}',
+  'MIN': '%{BKY_MATH_ONLIST_TOOLTIP_MIN}',
+  'MAX': '%{BKY_MATH_ONLIST_TOOLTIP_MAX}',
+  'AVERAGE': '%{BKY_MATH_ONLIST_TOOLTIP_AVERAGE}',
+  'MEDIAN': '%{BKY_MATH_ONLIST_TOOLTIP_MEDIAN}',
+  'MODE': '%{BKY_MATH_ONLIST_TOOLTIP_MODE}',
+  'STD_DEV': '%{BKY_MATH_ONLIST_TOOLTIP_STD_DEV}',
+  'RANDOM': '%{BKY_MATH_ONLIST_TOOLTIP_RANDOM}',
+};
+
+Extensions.register(
+  'math_op_tooltip',
+  Extensions.buildTooltipForDropdown('OP', TOOLTIPS_BY_OP),
+);
+
+/** Type of a block that has IS_DIVISBLEBY_MUTATOR_MIXIN */
+type DivisiblebyBlock = Block & DivisiblebyMixin;
+interface DivisiblebyMixin extends DivisiblebyMixinType {}
+type DivisiblebyMixinType = typeof IS_DIVISIBLEBY_MUTATOR_MIXIN;
+
+/**
+ * Mixin for mutator functions in the 'math_is_divisibleby_mutator'
+ * extension.
+ *
+ * @mixin
+ * @augments Block
+ * @package
+ */
+const IS_DIVISIBLEBY_MUTATOR_MIXIN = {
+  /**
+   * Create XML to represent whether the 'divisorInput' should be present.
+   * Backwards compatible serialization implementation.
+   *
+   * @returns XML storage element.
+   */
+  mutationToDom: function (this: DivisiblebyBlock): Element {
+    const container = xmlUtils.createElement('mutation');
+    const divisorInput = this.getFieldValue('PROPERTY') === 'DIVISIBLE_BY';
+    container.setAttribute('divisor_input', String(divisorInput));
+    return container;
+  },
+  /**
+   * Parse XML to restore the 'divisorInput'.
+   * Backwards compatible serialization implementation.
+   *
+   * @param xmlElement XML storage element.
+   */
+  domToMutation: function (this: DivisiblebyBlock, xmlElement: Element) {
+    const divisorInput = xmlElement.getAttribute('divisor_input') === 'true';
+    this.updateShape_(divisorInput);
+  },
+
+  // This block does not need JSO serialization hooks (saveExtraState and
+  // loadExtraState) because the state of this object is already encoded in the
+  // dropdown values.
+  // XML hooks are kept for backwards compatibility.
+
+  /**
+   * Modify this block to have (or not have) an input for 'is divisible by'.
+   *
+   * @param divisorInput True if this block has a divisor input.
+   */
+  updateShape_: function (this: DivisiblebyBlock, divisorInput: boolean) {
+    // Add or remove a Value Input.
+    const inputExists = this.getInput('DIVISOR');
+    if (divisorInput) {
+      if (!inputExists) {
+        this.appendValueInput('DIVISOR').setCheck('Number');
+      }
+    } else if (inputExists) {
+      this.removeInput('DIVISOR');
+    }
+  },
+};
+
+/**
+ * 'math_is_divisibleby_mutator' extension to the 'math_property' block that
+ * can update the block shape (add/remove divisor input) based on whether
+ * property is "divisible by".
+ */
+const IS_DIVISIBLE_MUTATOR_EXTENSION = function (this: DivisiblebyBlock) {
+  this.getField('PROPERTY')!.setValidator(
+    /** @param option The selected dropdown option. */
+    function (this: FieldDropdown, option: string) {
+      const divisorInput = option === 'DIVISIBLE_BY';
+      (this.getSourceBlock() as DivisiblebyBlock).updateShape_(divisorInput);
+      return undefined; // FieldValidators can't be void.  Use option as-is.
+    },
+  );
+};
+
+Extensions.registerMutator(
+  'math_is_divisibleby_mutator',
+  IS_DIVISIBLEBY_MUTATOR_MIXIN,
+  IS_DIVISIBLE_MUTATOR_EXTENSION,
+);
+
+// Update the tooltip of 'math_change' block to reference the variable.
+Extensions.register(
+  'math_change_tooltip',
+  Extensions.buildTooltipWithFieldText('%{BKY_MATH_CHANGE_TOOLTIP}', 'VAR'),
+);
+
+/** Type of a block that has LIST_MODES_MUTATOR_MIXIN */
+type ListModesBlock = Block & ListModesMixin;
+interface ListModesMixin extends ListModesMixinType {}
+type ListModesMixinType = typeof LIST_MODES_MUTATOR_MIXIN;
+
+/**
+ * Mixin with mutator methods to support alternate output based if the
+ * 'math_on_list' block uses the 'MODE' operation.
+ */
+const LIST_MODES_MUTATOR_MIXIN = {
+  /**
+   * Modify this block to have the correct output type.
+   *
+   * @param newOp Either 'MODE' or some op than returns a number.
+   */
+  updateType_: function (this: ListModesBlock, newOp: string) {
+    if (newOp === 'MODE') {
+      this.outputConnection!.setCheck('Array');
+    } else {
+      this.outputConnection!.setCheck('Number');
+    }
+  },
+  /**
+   * Create XML to represent the output type.
+   * Backwards compatible serialization implementation.
+   *
+   * @returns XML storage element.
+   */
+  mutationToDom: function (this: ListModesBlock): Element {
+    const container = xmlUtils.createElement('mutation');
+    container.setAttribute('op', this.getFieldValue('OP'));
+    return container;
+  },
+  /**
+   * Parse XML to restore the output type.
+   * Backwards compatible serialization implementation.
+   *
+   * @param xmlElement XML storage element.
+   */
+  domToMutation: function (this: ListModesBlock, xmlElement: Element) {
+    const op = xmlElement.getAttribute('op');
+    if (op === null) throw new TypeError('xmlElement had no op attribute');
+    this.updateType_(op);
+  },
+
+  // This block does not need JSO serialization hooks (saveExtraState and
+  // loadExtraState) because the state of this object is already encoded in the
+  // dropdown values.
+  // XML hooks are kept for backwards compatibility.
+};
+
+/**
+ * Extension to 'math_on_list' blocks that allows support of
+ * modes operation (outputs a list of numbers).
+ */
+const LIST_MODES_MUTATOR_EXTENSION = function (this: ListModesBlock) {
+  this.getField('OP')!.setValidator(
+    function (this: ListModesBlock, newOp: string) {
+      this.updateType_(newOp);
+      return undefined;
+    }.bind(this),
+  );
+};
+
+Extensions.registerMutator(
+  'math_modes_of_list_mutator',
+  LIST_MODES_MUTATOR_MIXIN,
+  LIST_MODES_MUTATOR_EXTENSION,
+);
+
+// Register provided blocks.
+defineBlocks(blocks);
diff --git a/blocks/procedures.js b/blocks/procedures.js
deleted file mode 100644
index d918d92d67e..00000000000
--- a/blocks/procedures.js
+++ /dev/null
@@ -1,1072 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Procedure blocks for Blockly.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Blocks.procedures');
-
-goog.require('Blockly');
-goog.require('Blockly.Blocks');
-goog.require('Blockly.Comment');
-goog.require('Blockly.FieldCheckbox');
-goog.require('Blockly.FieldLabel');
-goog.require('Blockly.FieldTextInput');
-goog.require('Blockly.Mutator');
-goog.require('Blockly.Warning');
-
-
-Blockly.Blocks['procedures_defnoreturn'] = {
-  /**
-   * Block for defining a procedure with no return value.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    var nameField = new Blockly.FieldTextInput('',
-        Blockly.Procedures.rename);
-    nameField.setSpellcheck(false);
-    this.appendDummyInput()
-        .appendField(Blockly.Msg['PROCEDURES_DEFNORETURN_TITLE'])
-        .appendField(nameField, 'NAME')
-        .appendField('', 'PARAMS');
-    this.setMutator(new Blockly.Mutator(['procedures_mutatorarg']));
-    if ((this.workspace.options.comments ||
-         (this.workspace.options.parentWorkspace &&
-          this.workspace.options.parentWorkspace.options.comments)) &&
-        Blockly.Msg['PROCEDURES_DEFNORETURN_COMMENT']) {
-      this.setCommentText(Blockly.Msg['PROCEDURES_DEFNORETURN_COMMENT']);
-    }
-    this.setStyle('procedure_blocks');
-    this.setTooltip(Blockly.Msg['PROCEDURES_DEFNORETURN_TOOLTIP']);
-    this.setHelpUrl(Blockly.Msg['PROCEDURES_DEFNORETURN_HELPURL']);
-    this.arguments_ = [];
-    this.argumentVarModels_ = [];
-    this.setStatements_(true);
-    this.statementConnection_ = null;
-  },
-  /**
-   * Add or remove the statement block from this function definition.
-   * @param {boolean} hasStatements True if a statement block is needed.
-   * @this {Blockly.Block}
-   */
-  setStatements_: function(hasStatements) {
-    if (this.hasStatements_ === hasStatements) {
-      return;
-    }
-    if (hasStatements) {
-      this.appendStatementInput('STACK')
-          .appendField(Blockly.Msg['PROCEDURES_DEFNORETURN_DO']);
-      if (this.getInput('RETURN')) {
-        this.moveInputBefore('STACK', 'RETURN');
-      }
-    } else {
-      this.removeInput('STACK', true);
-    }
-    this.hasStatements_ = hasStatements;
-  },
-  /**
-   * Update the display of parameters for this procedure definition block.
-   * @private
-   * @this {Blockly.Block}
-   */
-  updateParams_: function() {
-
-    // Merge the arguments into a human-readable list.
-    var paramString = '';
-    if (this.arguments_.length) {
-      paramString = Blockly.Msg['PROCEDURES_BEFORE_PARAMS'] +
-          ' ' + this.arguments_.join(', ');
-    }
-    // The params field is deterministic based on the mutation,
-    // no need to fire a change event.
-    Blockly.Events.disable();
-    try {
-      this.setFieldValue(paramString, 'PARAMS');
-    } finally {
-      Blockly.Events.enable();
-    }
-  },
-  /**
-   * Create XML to represent the argument inputs.
-   * @param {boolean=} opt_paramIds If true include the IDs of the parameter
-   *     quarks.  Used by Blockly.Procedures.mutateCallers for reconnection.
-   * @return {!Element} XML storage element.
-   * @this {Blockly.Block}
-   */
-  mutationToDom: function(opt_paramIds) {
-    var container = Blockly.utils.xml.createElement('mutation');
-    if (opt_paramIds) {
-      container.setAttribute('name', this.getFieldValue('NAME'));
-    }
-    for (var i = 0; i < this.argumentVarModels_.length; i++) {
-      var parameter = Blockly.utils.xml.createElement('arg');
-      var argModel = this.argumentVarModels_[i];
-      parameter.setAttribute('name', argModel.name);
-      parameter.setAttribute('varid', argModel.getId());
-      if (opt_paramIds && this.paramIds_) {
-        parameter.setAttribute('paramId', this.paramIds_[i]);
-      }
-      container.appendChild(parameter);
-    }
-
-    // Save whether the statement input is visible.
-    if (!this.hasStatements_) {
-      container.setAttribute('statements', 'false');
-    }
-    return container;
-  },
-  /**
-   * Parse XML to restore the argument inputs.
-   * @param {!Element} xmlElement XML storage element.
-   * @this {Blockly.Block}
-   */
-  domToMutation: function(xmlElement) {
-    this.arguments_ = [];
-    this.argumentVarModels_ = [];
-    for (var i = 0, childNode; (childNode = xmlElement.childNodes[i]); i++) {
-      if (childNode.nodeName.toLowerCase() == 'arg') {
-        var varName = childNode.getAttribute('name');
-        var varId = childNode.getAttribute('varid') || childNode.getAttribute('varId');
-        this.arguments_.push(varName);
-        var variable = Blockly.Variables.getOrCreateVariablePackage(
-            this.workspace, varId, varName, '');
-        if (variable != null) {
-          this.argumentVarModels_.push(variable);
-        } else {
-          console.log('Failed to create a variable with name ' + varName + ', ignoring.');
-        }
-      }
-    }
-    this.updateParams_();
-    Blockly.Procedures.mutateCallers(this);
-
-    // Show or hide the statement input.
-    this.setStatements_(xmlElement.getAttribute('statements') !== 'false');
-  },
-  /**
-   * Populate the mutator's dialog with this block's components.
-   * @param {!Blockly.Workspace} workspace Mutator's workspace.
-   * @return {!Blockly.Block} Root block in mutator.
-   * @this {Blockly.Block}
-   */
-  decompose: function(workspace) {
-    /*
-     * Creates the following XML:
-     * <block type="procedures_mutatorcontainer">
-     *   <statement name="STACK">
-     *     <block type="procedures_mutatorarg">
-     *       <field name="NAME">arg1_name</field>
-     *       <next>etc...</next>
-     *     </block>
-     *   </statement>
-     * </block>
-     */
-
-    var containerBlockNode = Blockly.utils.xml.createElement('block');
-    containerBlockNode.setAttribute('type', 'procedures_mutatorcontainer');
-    var statementNode = Blockly.utils.xml.createElement('statement');
-    statementNode.setAttribute('name', 'STACK');
-    containerBlockNode.appendChild(statementNode);
-
-    var node = statementNode;
-    for (var i = 0; i < this.arguments_.length; i++) {
-      var argBlockNode = Blockly.utils.xml.createElement('block');
-      argBlockNode.setAttribute('type', 'procedures_mutatorarg');
-      var fieldNode = Blockly.utils.xml.createElement('field');
-      fieldNode.setAttribute('name', 'NAME');
-      var argumentName = Blockly.utils.xml.createTextNode(this.arguments_[i]);
-      fieldNode.appendChild(argumentName);
-      argBlockNode.appendChild(fieldNode);
-      var nextNode = Blockly.utils.xml.createElement('next');
-      argBlockNode.appendChild(nextNode);
-
-      node.appendChild(argBlockNode);
-      node = nextNode;
-    }
-
-    var containerBlock = Blockly.Xml.domToBlock(containerBlockNode, workspace);
-
-    if (this.type == 'procedures_defreturn') {
-      containerBlock.setFieldValue(this.hasStatements_, 'STATEMENTS');
-    } else {
-      containerBlock.removeInput('STATEMENT_INPUT');
-    }
-
-    // Initialize procedure's callers with blank IDs.
-    Blockly.Procedures.mutateCallers(this);
-    return containerBlock;
-  },
-  /**
-   * Reconfigure this block based on the mutator dialog's components.
-   * @param {!Blockly.Block} containerBlock Root block in mutator.
-   * @this {Blockly.Block}
-   */
-  compose: function(containerBlock) {
-    // Parameter list.
-    this.arguments_ = [];
-    this.paramIds_ = [];
-    this.argumentVarModels_ = [];
-    var paramBlock = containerBlock.getInputTargetBlock('STACK');
-    while (paramBlock) {
-      var varName = paramBlock.getFieldValue('NAME');
-      this.arguments_.push(varName);
-      var variable = this.workspace.getVariable(varName, '');
-      this.argumentVarModels_.push(variable);
-
-      this.paramIds_.push(paramBlock.id);
-      paramBlock = paramBlock.nextConnection &&
-          paramBlock.nextConnection.targetBlock();
-    }
-    this.updateParams_();
-    Blockly.Procedures.mutateCallers(this);
-
-    // Show/hide the statement input.
-    var hasStatements = containerBlock.getFieldValue('STATEMENTS');
-    if (hasStatements !== null) {
-      hasStatements = hasStatements == 'TRUE';
-      if (this.hasStatements_ != hasStatements) {
-        if (hasStatements) {
-          this.setStatements_(true);
-          // Restore the stack, if one was saved.
-          Blockly.Mutator.reconnect(this.statementConnection_, this, 'STACK');
-          this.statementConnection_ = null;
-        } else {
-          // Save the stack, then disconnect it.
-          var stackConnection = this.getInput('STACK').connection;
-          this.statementConnection_ = stackConnection.targetConnection;
-          if (this.statementConnection_) {
-            var stackBlock = stackConnection.targetBlock();
-            stackBlock.unplug();
-            stackBlock.bumpNeighbours();
-          }
-          this.setStatements_(false);
-        }
-      }
-    }
-  },
-  /**
-   * Return the signature of this procedure definition.
-   * @return {!Array} Tuple containing three elements:
-   *     - the name of the defined procedure,
-   *     - a list of all its arguments,
-   *     - that it DOES NOT have a return value.
-   * @this {Blockly.Block}
-   */
-  getProcedureDef: function() {
-    return [this.getFieldValue('NAME'), this.arguments_, false];
-  },
-  /**
-   * Return all variables referenced by this block.
-   * @return {!Array.<string>} List of variable names.
-   * @this {Blockly.Block}
-   */
-  getVars: function() {
-    return this.arguments_;
-  },
-  /**
-   * Return all variables referenced by this block.
-   * @return {!Array.<!Blockly.VariableModel>} List of variable models.
-   * @this {Blockly.Block}
-   */
-  getVarModels: function() {
-    return this.argumentVarModels_;
-  },
-  /**
-   * Notification that a variable is renaming.
-   * If the ID matches one of this block's variables, rename it.
-   * @param {string} oldId ID of variable to rename.
-   * @param {string} newId ID of new variable.  May be the same as oldId, but
-   *     with an updated name.  Guaranteed to be the same type as the old
-   *     variable.
-   * @override
-   * @this {Blockly.Block}
-   */
-  renameVarById: function(oldId, newId) {
-    var oldVariable = this.workspace.getVariableById(oldId);
-    if (oldVariable.type != '') {
-      // Procedure arguments always have the empty type.
-      return;
-    }
-    var oldName = oldVariable.name;
-    var newVar = this.workspace.getVariableById(newId);
-
-    var change = false;
-    for (var i = 0; i < this.argumentVarModels_.length; i++) {
-      if (this.argumentVarModels_[i].getId() == oldId) {
-        this.arguments_[i] = newVar.name;
-        this.argumentVarModels_[i] = newVar;
-        change = true;
-      }
-    }
-    if (change) {
-      this.displayRenamedVar_(oldName, newVar.name);
-      Blockly.Procedures.mutateCallers(this);
-    }
-  },
-  /**
-   * Notification that a variable is renaming but keeping the same ID.  If the
-   * variable is in use on this block, rerender to show the new name.
-   * @param {!Blockly.VariableModel} variable The variable being renamed.
-   * @package
-   * @override
-   * @this {Blockly.Block}
-   */
-  updateVarName: function(variable) {
-    var newName = variable.name;
-    var change = false;
-    for (var i = 0; i < this.argumentVarModels_.length; i++) {
-      if (this.argumentVarModels_[i].getId() == variable.getId()) {
-        var oldName = this.arguments_[i];
-        this.arguments_[i] = newName;
-        change = true;
-      }
-    }
-    if (change) {
-      this.displayRenamedVar_(oldName, newName);
-      Blockly.Procedures.mutateCallers(this);
-    }
-  },
-  /**
-   * Update the display to reflect a newly renamed argument.
-   * @param {string} oldName The old display name of the argument.
-   * @param {string} newName The new display name of the argument.
-   * @private
-   * @this {Blockly.Block}
-   */
-  displayRenamedVar_: function(oldName, newName) {
-    this.updateParams_();
-    // Update the mutator's variables if the mutator is open.
-    if (this.mutator && this.mutator.isVisible()) {
-      var blocks = this.mutator.workspace_.getAllBlocks(false);
-      for (var i = 0, block; (block = blocks[i]); i++) {
-        if (block.type == 'procedures_mutatorarg' &&
-            Blockly.Names.equals(oldName, block.getFieldValue('NAME'))) {
-          block.setFieldValue(newName, 'NAME');
-        }
-      }
-    }
-  },
-  /**
-   * Add custom menu options to this block's context menu.
-   * @param {!Array} options List of menu options to add to.
-   * @this {Blockly.Block}
-   */
-  customContextMenu: function(options) {
-    if (this.isInFlyout) {
-      return;
-    }
-    // Add option to create caller.
-    var option = {enabled: true};
-    var name = this.getFieldValue('NAME');
-    option.text = Blockly.Msg['PROCEDURES_CREATE_DO'].replace('%1', name);
-    var xmlMutation = Blockly.utils.xml.createElement('mutation');
-    xmlMutation.setAttribute('name', name);
-    for (var i = 0; i < this.arguments_.length; i++) {
-      var xmlArg = Blockly.utils.xml.createElement('arg');
-      xmlArg.setAttribute('name', this.arguments_[i]);
-      xmlMutation.appendChild(xmlArg);
-    }
-    var xmlBlock = Blockly.utils.xml.createElement('block');
-    xmlBlock.setAttribute('type', this.callType_);
-    xmlBlock.appendChild(xmlMutation);
-    option.callback = Blockly.ContextMenu.callbackFactory(this, xmlBlock);
-    options.push(option);
-
-    // Add options to create getters for each parameter.
-    if (!this.isCollapsed()) {
-      for (var i = 0; i < this.argumentVarModels_.length; i++) {
-        var argOption = {enabled: true};
-        var argVar = this.argumentVarModels_[i];
-        argOption.text = Blockly.Msg['VARIABLES_SET_CREATE_GET']
-            .replace('%1', argVar.name);
-
-        var argXmlField = Blockly.Variables.generateVariableFieldDom(argVar);
-        var argXmlBlock = Blockly.utils.xml.createElement('block');
-        argXmlBlock.setAttribute('type', 'variables_get');
-        argXmlBlock.appendChild(argXmlField);
-        argOption.callback =
-            Blockly.ContextMenu.callbackFactory(this, argXmlBlock);
-        options.push(argOption);
-      }
-    }
-  },
-  callType_: 'procedures_callnoreturn'
-};
-
-Blockly.Blocks['procedures_defreturn'] = {
-  /**
-   * Block for defining a procedure with a return value.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    var nameField = new Blockly.FieldTextInput('',
-        Blockly.Procedures.rename);
-    nameField.setSpellcheck(false);
-    this.appendDummyInput()
-        .appendField(Blockly.Msg['PROCEDURES_DEFRETURN_TITLE'])
-        .appendField(nameField, 'NAME')
-        .appendField('', 'PARAMS');
-    this.appendValueInput('RETURN')
-        .setAlign(Blockly.ALIGN_RIGHT)
-        .appendField(Blockly.Msg['PROCEDURES_DEFRETURN_RETURN']);
-    this.setMutator(new Blockly.Mutator(['procedures_mutatorarg']));
-    if ((this.workspace.options.comments ||
-         (this.workspace.options.parentWorkspace &&
-          this.workspace.options.parentWorkspace.options.comments)) &&
-        Blockly.Msg['PROCEDURES_DEFRETURN_COMMENT']) {
-      this.setCommentText(Blockly.Msg['PROCEDURES_DEFRETURN_COMMENT']);
-    }
-    this.setStyle('procedure_blocks');
-    this.setTooltip(Blockly.Msg['PROCEDURES_DEFRETURN_TOOLTIP']);
-    this.setHelpUrl(Blockly.Msg['PROCEDURES_DEFRETURN_HELPURL']);
-    this.arguments_ = [];
-    this.argumentVarModels_ = [];
-    this.setStatements_(true);
-    this.statementConnection_ = null;
-  },
-  setStatements_: Blockly.Blocks['procedures_defnoreturn'].setStatements_,
-  updateParams_: Blockly.Blocks['procedures_defnoreturn'].updateParams_,
-  mutationToDom: Blockly.Blocks['procedures_defnoreturn'].mutationToDom,
-  domToMutation: Blockly.Blocks['procedures_defnoreturn'].domToMutation,
-  decompose: Blockly.Blocks['procedures_defnoreturn'].decompose,
-  compose: Blockly.Blocks['procedures_defnoreturn'].compose,
-  /**
-   * Return the signature of this procedure definition.
-   * @return {!Array} Tuple containing three elements:
-   *     - the name of the defined procedure,
-   *     - a list of all its arguments,
-   *     - that it DOES have a return value.
-   * @this {Blockly.Block}
-   */
-  getProcedureDef: function() {
-    return [this.getFieldValue('NAME'), this.arguments_, true];
-  },
-  getVars: Blockly.Blocks['procedures_defnoreturn'].getVars,
-  getVarModels: Blockly.Blocks['procedures_defnoreturn'].getVarModels,
-  renameVarById: Blockly.Blocks['procedures_defnoreturn'].renameVarById,
-  updateVarName: Blockly.Blocks['procedures_defnoreturn'].updateVarName,
-  displayRenamedVar_: Blockly.Blocks['procedures_defnoreturn'].displayRenamedVar_,
-  customContextMenu: Blockly.Blocks['procedures_defnoreturn'].customContextMenu,
-  callType_: 'procedures_callreturn'
-};
-
-Blockly.Blocks['procedures_mutatorcontainer'] = {
-  /**
-   * Mutator block for procedure container.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    this.appendDummyInput()
-        .appendField(Blockly.Msg['PROCEDURES_MUTATORCONTAINER_TITLE']);
-    this.appendStatementInput('STACK');
-    this.appendDummyInput('STATEMENT_INPUT')
-        .appendField(Blockly.Msg['PROCEDURES_ALLOW_STATEMENTS'])
-        .appendField(new Blockly.FieldCheckbox('TRUE'), 'STATEMENTS');
-    this.setStyle('procedure_blocks');
-    this.setTooltip(Blockly.Msg['PROCEDURES_MUTATORCONTAINER_TOOLTIP']);
-    this.contextMenu = false;
-  },
-};
-
-Blockly.Blocks['procedures_mutatorarg'] = {
-  /**
-   * Mutator block for procedure argument.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    var field = new Blockly.FieldTextInput(
-        Blockly.Procedures.DEFAULT_ARG, this.validator_);
-    // Hack: override showEditor to do just a little bit more work.
-    // We don't have a good place to hook into the start of a text edit.
-    field.oldShowEditorFn_ = field.showEditor_;
-    var newShowEditorFn = function() {
-      this.createdVariables_ = [];
-      this.oldShowEditorFn_();
-    };
-    field.showEditor_ = newShowEditorFn;
-
-    this.appendDummyInput()
-        .appendField(Blockly.Msg['PROCEDURES_MUTATORARG_TITLE'])
-        .appendField(field, 'NAME');
-    this.setPreviousStatement(true);
-    this.setNextStatement(true);
-    this.setStyle('procedure_blocks');
-    this.setTooltip(Blockly.Msg['PROCEDURES_MUTATORARG_TOOLTIP']);
-    this.contextMenu = false;
-
-    // Create the default variable when we drag the block in from the flyout.
-    // Have to do this after installing the field on the block.
-    field.onFinishEditing_ = this.deleteIntermediateVars_;
-    // Create an empty list so onFinishEditing_ has something to look at, even
-    // though the editor was never opened.
-    field.createdVariables_ = [];
-    field.onFinishEditing_('x');
-  },
-
-  /**
-   * Obtain a valid name for the procedure argument. Create a variable if
-   * necessary.
-   * Merge runs of whitespace.  Strip leading and trailing whitespace.
-   * Beyond this, all names are legal.
-   * @param {string} varName User-supplied name.
-   * @return {?string} Valid name, or null if a name was not specified.
-   * @private
-   * @this Blockly.FieldTextInput
-   */
-  validator_: function(varName) {
-    var sourceBlock = this.getSourceBlock();
-    var outerWs = Blockly.Mutator.findParentWs(sourceBlock.workspace);
-    varName = varName.replace(/[\s\xa0]+/g, ' ').replace(/^ | $/g, '');
-    if (!varName) {
-      return null;
-    }
-
-    // Prevents duplicate parameter names in functions
-    var workspace = sourceBlock.workspace.targetWorkspace ||
-        sourceBlock.workspace;
-    var blocks = workspace.getAllBlocks(false);
-    var caselessName = varName.toLowerCase();
-    for (var i = 0; i < blocks.length; i++) {
-      if (blocks[i].id == this.getSourceBlock().id) {
-        continue;
-      }
-      // Other blocks values may not be set yet when this is loaded.
-      var otherVar = blocks[i].getFieldValue('NAME');
-      if (otherVar && otherVar.toLowerCase() == caselessName) {
-        return null;
-      }
-    }
-
-    // Don't create variables for arg blocks that
-    // only exist in the mutator's flyout.
-    if (sourceBlock.isInFlyout) {
-      return varName;
-    }
-
-    var model = outerWs.getVariable(varName, '');
-    if (model && model.name != varName) {
-      // Rename the variable (case change)
-      outerWs.renameVariableById(model.getId(), varName);
-    }
-    if (!model) {
-      model = outerWs.createVariable(varName, '');
-      if (model && this.createdVariables_) {
-        this.createdVariables_.push(model);
-      }
-    }
-    return varName;
-  },
-
-  /**
-   * Called when focusing away from the text field.
-   * Deletes all variables that were created as the user typed their intended
-   * variable name.
-   * @param {string} newText The new variable name.
-   * @private
-   * @this Blockly.FieldTextInput
-   */
-  deleteIntermediateVars_: function(newText) {
-    var outerWs = Blockly.Mutator.findParentWs(this.getSourceBlock().workspace);
-    if (!outerWs) {
-      return;
-    }
-    for (var i = 0; i < this.createdVariables_.length; i++) {
-      var model = this.createdVariables_[i];
-      if (model.name != newText) {
-        outerWs.deleteVariableById(model.getId());
-      }
-    }
-  }
-};
-
-Blockly.Blocks['procedures_callnoreturn'] = {
-  /**
-   * Block for calling a procedure with no return value.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    this.appendDummyInput('TOPROW')
-        .appendField(this.id, 'NAME');
-    this.setPreviousStatement(true);
-    this.setNextStatement(true);
-    this.setStyle('procedure_blocks');
-    // Tooltip is set in renameProcedure.
-    this.setHelpUrl(Blockly.Msg['PROCEDURES_CALLNORETURN_HELPURL']);
-    this.arguments_ = [];
-    this.argumentVarModels_ = [];
-    this.quarkConnections_ = {};
-    this.quarkIds_ = null;
-    this.previousEnabledState_ = true;
-  },
-
-  /**
-   * Returns the name of the procedure this block calls.
-   * @return {string} Procedure name.
-   * @this {Blockly.Block}
-   */
-  getProcedureCall: function() {
-    // The NAME field is guaranteed to exist, null will never be returned.
-    return /** @type {string} */ (this.getFieldValue('NAME'));
-  },
-  /**
-   * Notification that a procedure is renaming.
-   * If the name matches this block's procedure, rename it.
-   * @param {string} oldName Previous name of procedure.
-   * @param {string} newName Renamed procedure.
-   * @this {Blockly.Block}
-   */
-  renameProcedure: function(oldName, newName) {
-    if (Blockly.Names.equals(oldName, this.getProcedureCall())) {
-      this.setFieldValue(newName, 'NAME');
-      var baseMsg = this.outputConnection ?
-          Blockly.Msg['PROCEDURES_CALLRETURN_TOOLTIP'] :
-          Blockly.Msg['PROCEDURES_CALLNORETURN_TOOLTIP'];
-      this.setTooltip(baseMsg.replace('%1', newName));
-    }
-  },
-  /**
-   * Notification that the procedure's parameters have changed.
-   * @param {!Array.<string>} paramNames New param names, e.g. ['x', 'y', 'z'].
-   * @param {!Array.<string>} paramIds IDs of params (consistent for each
-   *     parameter through the life of a mutator, regardless of param renaming),
-   *     e.g. ['piua', 'f8b_', 'oi.o'].
-   * @private
-   * @this {Blockly.Block}
-   */
-  setProcedureParameters_: function(paramNames, paramIds) {
-    // Data structures:
-    // this.arguments = ['x', 'y']
-    //     Existing param names.
-    // this.quarkConnections_ {piua: null, f8b_: Blockly.Connection}
-    //     Look-up of paramIds to connections plugged into the call block.
-    // this.quarkIds_ = ['piua', 'f8b_']
-    //     Existing param IDs.
-    // Note that quarkConnections_ may include IDs that no longer exist, but
-    // which might reappear if a param is reattached in the mutator.
-    var defBlock = Blockly.Procedures.getDefinition(this.getProcedureCall(),
-        this.workspace);
-    var mutatorOpen = defBlock && defBlock.mutator &&
-        defBlock.mutator.isVisible();
-    if (!mutatorOpen) {
-      this.quarkConnections_ = {};
-      this.quarkIds_ = null;
-    }
-    if (!paramIds) {
-      // Reset the quarks (a mutator is about to open).
-      return;
-    }
-    // Test arguments (arrays of strings) for changes. '\n' is not a valid
-    // argument name character, so it is a valid delimiter here.
-    if (paramNames.join('\n') == this.arguments_.join('\n')) {
-      // No change.
-      this.quarkIds_ = paramIds;
-      return;
-    }
-    if (paramIds.length != paramNames.length) {
-      throw RangeError('paramNames and paramIds must be the same length.');
-    }
-    this.setCollapsed(false);
-    if (!this.quarkIds_) {
-      // Initialize tracking for this block.
-      this.quarkConnections_ = {};
-      this.quarkIds_ = [];
-    }
-    // Switch off rendering while the block is rebuilt.
-    var savedRendered = this.rendered;
-    this.rendered = false;
-    // Update the quarkConnections_ with existing connections.
-    for (var i = 0; i < this.arguments_.length; i++) {
-      var input = this.getInput('ARG' + i);
-      if (input) {
-        var connection = input.connection.targetConnection;
-        this.quarkConnections_[this.quarkIds_[i]] = connection;
-        if (mutatorOpen && connection &&
-            paramIds.indexOf(this.quarkIds_[i]) == -1) {
-          // This connection should no longer be attached to this block.
-          connection.disconnect();
-          connection.getSourceBlock().bumpNeighbours();
-        }
-      }
-    }
-    // Rebuild the block's arguments.
-    this.arguments_ = [].concat(paramNames);
-    // And rebuild the argument model list.
-    this.argumentVarModels_ = [];
-    for (var i = 0; i < this.arguments_.length; i++) {
-      var variable = Blockly.Variables.getOrCreateVariablePackage(
-          this.workspace, null, this.arguments_[i], '');
-      this.argumentVarModels_.push(variable);
-    }
-
-    this.updateShape_();
-    this.quarkIds_ = paramIds;
-    // Reconnect any child blocks.
-    if (this.quarkIds_) {
-      for (var i = 0; i < this.arguments_.length; i++) {
-        var quarkId = this.quarkIds_[i];
-        if (quarkId in this.quarkConnections_) {
-          var connection = this.quarkConnections_[quarkId];
-          if (!Blockly.Mutator.reconnect(connection, this, 'ARG' + i)) {
-            // Block no longer exists or has been attached elsewhere.
-            delete this.quarkConnections_[quarkId];
-          }
-        }
-      }
-    }
-    // Restore rendering and show the changes.
-    this.rendered = savedRendered;
-    if (this.rendered) {
-      this.render();
-    }
-  },
-  /**
-   * Modify this block to have the correct number of arguments.
-   * @private
-   * @this {Blockly.Block}
-   */
-  updateShape_: function() {
-    for (var i = 0; i < this.arguments_.length; i++) {
-      var field = this.getField('ARGNAME' + i);
-      if (field) {
-        // Ensure argument name is up to date.
-        // The argument name field is deterministic based on the mutation,
-        // no need to fire a change event.
-        Blockly.Events.disable();
-        try {
-          field.setValue(this.arguments_[i]);
-        } finally {
-          Blockly.Events.enable();
-        }
-      } else {
-        // Add new input.
-        field = new Blockly.FieldLabel(this.arguments_[i]);
-        var input = this.appendValueInput('ARG' + i)
-            .setAlign(Blockly.ALIGN_RIGHT)
-            .appendField(field, 'ARGNAME' + i);
-        input.init();
-      }
-    }
-    // Remove deleted inputs.
-    while (this.getInput('ARG' + i)) {
-      this.removeInput('ARG' + i);
-      i++;
-    }
-    // Add 'with:' if there are parameters, remove otherwise.
-    var topRow = this.getInput('TOPROW');
-    if (topRow) {
-      if (this.arguments_.length) {
-        if (!this.getField('WITH')) {
-          topRow.appendField(Blockly.Msg['PROCEDURES_CALL_BEFORE_PARAMS'], 'WITH');
-          topRow.init();
-        }
-      } else {
-        if (this.getField('WITH')) {
-          topRow.removeField('WITH');
-        }
-      }
-    }
-  },
-  /**
-   * Create XML to represent the (non-editable) name and arguments.
-   * @return {!Element} XML storage element.
-   * @this {Blockly.Block}
-   */
-  mutationToDom: function() {
-    var container = Blockly.utils.xml.createElement('mutation');
-    container.setAttribute('name', this.getProcedureCall());
-    for (var i = 0; i < this.arguments_.length; i++) {
-      var parameter = Blockly.utils.xml.createElement('arg');
-      parameter.setAttribute('name', this.arguments_[i]);
-      container.appendChild(parameter);
-    }
-    return container;
-  },
-  /**
-   * Parse XML to restore the (non-editable) name and parameters.
-   * @param {!Element} xmlElement XML storage element.
-   * @this {Blockly.Block}
-   */
-  domToMutation: function(xmlElement) {
-    var name = xmlElement.getAttribute('name');
-    this.renameProcedure(this.getProcedureCall(), name);
-    var args = [];
-    var paramIds = [];
-    for (var i = 0, childNode; (childNode = xmlElement.childNodes[i]); i++) {
-      if (childNode.nodeName.toLowerCase() == 'arg') {
-        args.push(childNode.getAttribute('name'));
-        paramIds.push(childNode.getAttribute('paramId'));
-      }
-    }
-    this.setProcedureParameters_(args, paramIds);
-  },
-  /**
-   * Return all variables referenced by this block.
-   * @return {!Array.<string>} List of variable names.
-   * @this {Blockly.Block}
-   */
-  getVars: function() {
-    return this.arguments_;
-  },
-  /**
-   * Return all variables referenced by this block.
-   * @return {!Array.<!Blockly.VariableModel>} List of variable models.
-   * @this {Blockly.Block}
-   */
-  getVarModels: function() {
-    return this.argumentVarModels_;
-  },
-  /**
-   * Procedure calls cannot exist without the corresponding procedure
-   * definition.  Enforce this link whenever an event is fired.
-   * @param {!Blockly.Events.Abstract} event Change event.
-   * @this {Blockly.Block}
-   */
-  onchange: function(event) {
-    if (!this.workspace || this.workspace.isFlyout) {
-      // Block is deleted or is in a flyout.
-      return;
-    }
-    if (!event.recordUndo) {
-      // Events not generated by user. Skip handling.
-      return;
-    }
-    if (event.type == Blockly.Events.BLOCK_CREATE &&
-        event.ids.indexOf(this.id) != -1) {
-      // Look for the case where a procedure call was created (usually through
-      // paste) and there is no matching definition.  In this case, create
-      // an empty definition block with the correct signature.
-      var name = this.getProcedureCall();
-      var def = Blockly.Procedures.getDefinition(name, this.workspace);
-      if (def && (def.type != this.defType_ ||
-          JSON.stringify(def.getVars()) != JSON.stringify(this.arguments_))) {
-        // The signatures don't match.
-        def = null;
-      }
-      if (!def) {
-        Blockly.Events.setGroup(event.group);
-        /**
-         * Create matching definition block.
-         * <xml xmlns="https://developers.google.com/blockly/xml">
-         *   <block type="procedures_defreturn" x="10" y="20">
-         *     <mutation name="test">
-         *       <arg name="x"></arg>
-         *     </mutation>
-         *     <field name="NAME">test</field>
-         *   </block>
-         * </xml>
-         */
-        var xml = Blockly.utils.xml.createElement('xml');
-        var block = Blockly.utils.xml.createElement('block');
-        block.setAttribute('type', this.defType_);
-        var xy = this.getRelativeToSurfaceXY();
-        var x = xy.x + Blockly.SNAP_RADIUS * (this.RTL ? -1 : 1);
-        var y = xy.y + Blockly.SNAP_RADIUS * 2;
-        block.setAttribute('x', x);
-        block.setAttribute('y', y);
-        var mutation = this.mutationToDom();
-        block.appendChild(mutation);
-        var field = Blockly.utils.xml.createElement('field');
-        field.setAttribute('name', 'NAME');
-        field.appendChild(Blockly.utils.xml.createTextNode(
-            this.getProcedureCall()));
-        block.appendChild(field);
-        xml.appendChild(block);
-        Blockly.Xml.domToWorkspace(xml, this.workspace);
-        Blockly.Events.setGroup(false);
-      }
-    } else if (event.type == Blockly.Events.BLOCK_DELETE) {
-      // Look for the case where a procedure definition has been deleted,
-      // leaving this block (a procedure call) orphaned.  In this case, delete
-      // the orphan.
-      var name = this.getProcedureCall();
-      var def = Blockly.Procedures.getDefinition(name, this.workspace);
-      if (!def) {
-        Blockly.Events.setGroup(event.group);
-        this.dispose(true);
-        Blockly.Events.setGroup(false);
-      }
-    } else if (event.type == Blockly.Events.CHANGE && event.element == 'disabled') {
-      var name = this.getProcedureCall();
-      var def = Blockly.Procedures.getDefinition(name, this.workspace);
-      if (def && def.id == event.blockId) {
-        // in most cases the old group should be ''
-        var oldGroup = Blockly.Events.getGroup();
-        if (oldGroup) {
-          // This should only be possible programmatically and may indicate a problem
-          // with event grouping. If you see this message please investigate. If the
-          // use ends up being valid we may need to reorder events in the undo stack.
-          console.log('Saw an existing group while responding to a definition change');
-        }
-        Blockly.Events.setGroup(event.group);
-        if (event.newValue) {
-          this.previousEnabledState_ = this.isEnabled();
-          this.setEnabled(false);
-        } else {
-          this.setEnabled(this.previousEnabledState_);
-        }
-        Blockly.Events.setGroup(oldGroup);
-      }
-    }
-  },
-  /**
-   * Add menu option to find the definition block for this call.
-   * @param {!Array} options List of menu options to add to.
-   * @this {Blockly.Block}
-   */
-  customContextMenu: function(options) {
-    if (!this.workspace.isMovable()) {
-      // If we center on the block and the workspace isn't movable we could
-      // loose blocks at the edges of the workspace.
-      return;
-    }
-
-    var option = {enabled: true};
-    option.text = Blockly.Msg['PROCEDURES_HIGHLIGHT_DEF'];
-    var name = this.getProcedureCall();
-    var workspace = this.workspace;
-    option.callback = function() {
-      var def = Blockly.Procedures.getDefinition(name, workspace);
-      if (def) {
-        workspace.centerOnBlock(def.id);
-        def.select();
-      }
-    };
-    options.push(option);
-  },
-  defType_: 'procedures_defnoreturn'
-};
-
-Blockly.Blocks['procedures_callreturn'] = {
-  /**
-   * Block for calling a procedure with a return value.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    this.appendDummyInput('TOPROW')
-        .appendField('', 'NAME');
-    this.setOutput(true);
-    this.setStyle('procedure_blocks');
-    // Tooltip is set in domToMutation.
-    this.setHelpUrl(Blockly.Msg['PROCEDURES_CALLRETURN_HELPURL']);
-    this.arguments_ = [];
-    this.quarkConnections_ = {};
-    this.quarkIds_ = null;
-    this.previousEnabledState_ = true;
-  },
-
-  getProcedureCall: Blockly.Blocks['procedures_callnoreturn'].getProcedureCall,
-  renameProcedure: Blockly.Blocks['procedures_callnoreturn'].renameProcedure,
-  setProcedureParameters_:
-      Blockly.Blocks['procedures_callnoreturn'].setProcedureParameters_,
-  updateShape_: Blockly.Blocks['procedures_callnoreturn'].updateShape_,
-  mutationToDom: Blockly.Blocks['procedures_callnoreturn'].mutationToDom,
-  domToMutation: Blockly.Blocks['procedures_callnoreturn'].domToMutation,
-  getVars: Blockly.Blocks['procedures_callnoreturn'].getVars,
-  getVarModels: Blockly.Blocks['procedures_callnoreturn'].getVarModels,
-  onchange: Blockly.Blocks['procedures_callnoreturn'].onchange,
-  customContextMenu:
-      Blockly.Blocks['procedures_callnoreturn'].customContextMenu,
-  defType_: 'procedures_defreturn'
-};
-
-Blockly.Blocks['procedures_ifreturn'] = {
-  /**
-   * Block for conditionally returning a value from a procedure.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    this.appendValueInput('CONDITION')
-        .setCheck('Boolean')
-        .appendField(Blockly.Msg['CONTROLS_IF_MSG_IF']);
-    this.appendValueInput('VALUE')
-        .appendField(Blockly.Msg['PROCEDURES_DEFRETURN_RETURN']);
-    this.setInputsInline(true);
-    this.setPreviousStatement(true);
-    this.setNextStatement(true);
-    this.setStyle('procedure_blocks');
-    this.setTooltip(Blockly.Msg['PROCEDURES_IFRETURN_TOOLTIP']);
-    this.setHelpUrl(Blockly.Msg['PROCEDURES_IFRETURN_HELPURL']);
-    this.hasReturnValue_ = true;
-  },
-  /**
-   * Create XML to represent whether this block has a return value.
-   * @return {!Element} XML storage element.
-   * @this {Blockly.Block}
-   */
-  mutationToDom: function() {
-    var container = Blockly.utils.xml.createElement('mutation');
-    container.setAttribute('value', Number(this.hasReturnValue_));
-    return container;
-  },
-  /**
-   * Parse XML to restore whether this block has a return value.
-   * @param {!Element} xmlElement XML storage element.
-   * @this {Blockly.Block}
-   */
-  domToMutation: function(xmlElement) {
-    var value = xmlElement.getAttribute('value');
-    this.hasReturnValue_ = (value == 1);
-    if (!this.hasReturnValue_) {
-      this.removeInput('VALUE');
-      this.appendDummyInput('VALUE')
-          .appendField(Blockly.Msg['PROCEDURES_DEFRETURN_RETURN']);
-    }
-  },
-  /**
-   * Called whenever anything on the workspace changes.
-   * Add warning if this flow block is not nested inside a loop.
-   * @param {!Blockly.Events.Abstract} _e Change event.
-   * @this {Blockly.Block}
-   */
-  onchange: function(_e) {
-    if (!this.workspace.isDragging || this.workspace.isDragging()) {
-      return;  // Don't change state at the start of a drag.
-    }
-    var legal = false;
-    // Is the block nested in a procedure?
-    var block = this;
-    do {
-      if (this.FUNCTION_TYPES.indexOf(block.type) != -1) {
-        legal = true;
-        break;
-      }
-      block = block.getSurroundParent();
-    } while (block);
-    if (legal) {
-      // If needed, toggle whether this block has a return value.
-      if (block.type == 'procedures_defnoreturn' && this.hasReturnValue_) {
-        this.removeInput('VALUE');
-        this.appendDummyInput('VALUE')
-            .appendField(Blockly.Msg['PROCEDURES_DEFRETURN_RETURN']);
-        this.hasReturnValue_ = false;
-      } else if (block.type == 'procedures_defreturn' &&
-                 !this.hasReturnValue_) {
-        this.removeInput('VALUE');
-        this.appendValueInput('VALUE')
-            .appendField(Blockly.Msg['PROCEDURES_DEFRETURN_RETURN']);
-        this.hasReturnValue_ = true;
-      }
-      this.setWarningText(null);
-      if (!this.isInFlyout) {
-        this.setEnabled(true);
-      }
-    } else {
-      this.setWarningText(Blockly.Msg['PROCEDURES_IFRETURN_WARNING']);
-      if (!this.isInFlyout && !this.getInheritedDisabled()) {
-        this.setEnabled(false);
-      }
-    }
-  },
-  /**
-   * List of block types that are functions and thus do not need warnings.
-   * To add a new function type add this to your code:
-   * Blockly.Blocks['procedures_ifreturn'].FUNCTION_TYPES.push('custom_func');
-   */
-  FUNCTION_TYPES: ['procedures_defnoreturn', 'procedures_defreturn']
-};
diff --git a/blocks/procedures.ts b/blocks/procedures.ts
new file mode 100644
index 00000000000..1214eb55eda
--- /dev/null
+++ b/blocks/procedures.ts
@@ -0,0 +1,1355 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.libraryBlocks.procedures
+
+import * as ContextMenu from '../core/contextmenu.js';
+import * as Events from '../core/events/events.js';
+import * as Procedures from '../core/procedures.js';
+import * as Variables from '../core/variables.js';
+import * as Xml from '../core/xml.js';
+import * as fieldRegistry from '../core/field_registry.js';
+import * as xmlUtils from '../core/utils/xml.js';
+import type {Abstract as AbstractEvent} from '../core/events/events_abstract.js';
+import {Align} from '../core/inputs/align.js';
+import type {Block} from '../core/block.js';
+import type {BlockSvg} from '../core/block_svg.js';
+import type {BlockCreate} from '../core/events/events_block_create.js';
+import type {BlockChange} from '../core/events/events_block_change.js';
+import type {BlockDefinition} from '../core/blocks.js';
+import type {Connection} from '../core/connection.js';
+import type {
+  ContextMenuOption,
+  LegacyContextMenuOption,
+} from '../core/contextmenu_registry.js';
+import * as eventUtils from '../core/events/utils.js';
+import {FieldCheckbox} from '../core/field_checkbox.js';
+import {FieldLabel} from '../core/field_label.js';
+import {FieldTextInput} from '../core/field_textinput.js';
+import {Msg} from '../core/msg.js';
+import {MutatorIcon as Mutator} from '../core/icons/mutator_icon.js';
+import {Names} from '../core/names.js';
+import type {VariableModel} from '../core/variable_model.js';
+import type {Workspace} from '../core/workspace.js';
+import type {WorkspaceSvg} from '../core/workspace_svg.js';
+import {config} from '../core/config.js';
+import {defineBlocks} from '../core/common.js';
+import '../core/icons/comment_icon.js';
+import '../core/icons/warning_icon.js';
+import * as common from '../core/common.js';
+
+/** A dictionary of the block definitions provided by this module. */
+export const blocks: {[key: string]: BlockDefinition} = {};
+
+/** Type of a block using the PROCEDURE_DEF_COMMON mixin. */
+type ProcedureBlock = Block & ProcedureMixin;
+interface ProcedureMixin extends ProcedureMixinType {
+  arguments_: string[];
+  argumentVarModels_: VariableModel[];
+  callType_: string;
+  paramIds_: string[];
+  hasStatements_: boolean;
+  statementConnection_: Connection | null;
+}
+type ProcedureMixinType = typeof PROCEDURE_DEF_COMMON;
+
+/** Extra state for serialising procedure blocks. */
+type ProcedureExtraState = {
+  params?: Array<{name: string; id: string}>;
+  hasStatements: boolean;
+};
+
+/**
+ * Common properties for the procedure_defnoreturn and
+ * procedure_defreturn blocks.
+ */
+const PROCEDURE_DEF_COMMON = {
+  /**
+   * Add or remove the statement block from this function definition.
+   *
+   * @param hasStatements True if a statement block is needed.
+   */
+  setStatements_: function (this: ProcedureBlock, hasStatements: boolean) {
+    if (this.hasStatements_ === hasStatements) {
+      return;
+    }
+    if (hasStatements) {
+      this.appendStatementInput('STACK').appendField(
+        Msg['PROCEDURES_DEFNORETURN_DO'],
+      );
+      if (this.getInput('RETURN')) {
+        this.moveInputBefore('STACK', 'RETURN');
+      }
+    } else {
+      this.removeInput('STACK', true);
+    }
+    this.hasStatements_ = hasStatements;
+  },
+  /**
+   * Update the display of parameters for this procedure definition block.
+   *
+   * @internal
+   */
+  updateParams_: function (this: ProcedureBlock) {
+    // Merge the arguments into a human-readable list.
+    let paramString = '';
+    if (this.arguments_.length) {
+      paramString =
+        Msg['PROCEDURES_BEFORE_PARAMS'] + ' ' + this.arguments_.join(', ');
+    }
+    // The params field is deterministic based on the mutation,
+    // no need to fire a change event.
+    Events.disable();
+    try {
+      this.setFieldValue(paramString, 'PARAMS');
+    } finally {
+      Events.enable();
+    }
+  },
+  /**
+   * Create XML to represent the argument inputs.
+   * Backwards compatible serialization implementation.
+   *
+   * @param opt_paramIds If true include the IDs of the parameter
+   *     quarks.  Used by Procedures.mutateCallers for reconnection.
+   * @returns  XML storage element.
+   */
+  mutationToDom: function (
+    this: ProcedureBlock,
+    opt_paramIds: boolean,
+  ): Element {
+    const container = xmlUtils.createElement('mutation');
+    if (opt_paramIds) {
+      container.setAttribute('name', this.getFieldValue('NAME'));
+    }
+    for (let i = 0; i < this.argumentVarModels_.length; i++) {
+      const parameter = xmlUtils.createElement('arg');
+      const argModel = this.argumentVarModels_[i];
+      parameter.setAttribute('name', argModel.name);
+      parameter.setAttribute('varid', argModel.getId());
+      if (opt_paramIds && this.paramIds_) {
+        parameter.setAttribute('paramId', this.paramIds_[i]);
+      }
+      container.appendChild(parameter);
+    }
+
+    // Save whether the statement input is visible.
+    if (!this.hasStatements_) {
+      container.setAttribute('statements', 'false');
+    }
+    return container;
+  },
+  /**
+   * Parse XML to restore the argument inputs.
+   * Backwards compatible serialization implementation.
+   *
+   * @param xmlElement XML storage element.
+   */
+  domToMutation: function (this: ProcedureBlock, xmlElement: Element) {
+    this.arguments_ = [];
+    this.argumentVarModels_ = [];
+    for (let i = 0, childNode; (childNode = xmlElement.childNodes[i]); i++) {
+      if (childNode.nodeName.toLowerCase() === 'arg') {
+        const childElement = childNode as Element;
+        const varName = childElement.getAttribute('name')!;
+        const varId =
+          childElement.getAttribute('varid') ||
+          childElement.getAttribute('varId');
+        this.arguments_.push(varName);
+        const variable = Variables.getOrCreateVariablePackage(
+          this.workspace,
+          varId,
+          varName,
+          '',
+        );
+        if (variable !== null) {
+          this.argumentVarModels_.push(variable);
+        } else {
+          console.log(
+            `Failed to create a variable named "${varName}", ignoring.`,
+          );
+        }
+      }
+    }
+    this.updateParams_();
+    Procedures.mutateCallers(this);
+
+    // Show or hide the statement input.
+    this.setStatements_(xmlElement.getAttribute('statements') !== 'false');
+  },
+  /**
+   * Returns the state of this block as a JSON serializable object.
+   *
+   * @returns The state of this block, eg the parameters and statements.
+   */
+  saveExtraState: function (this: ProcedureBlock): ProcedureExtraState | null {
+    if (!this.argumentVarModels_.length && this.hasStatements_) {
+      return null;
+    }
+    const state = Object.create(null);
+    if (this.argumentVarModels_.length) {
+      state['params'] = [];
+      for (let i = 0; i < this.argumentVarModels_.length; i++) {
+        state['params'].push({
+          // We don't need to serialize the name, but just in case we decide
+          // to separate params from variables.
+          'name': this.argumentVarModels_[i].name,
+          'id': this.argumentVarModels_[i].getId(),
+        });
+      }
+    }
+    if (!this.hasStatements_) {
+      state['hasStatements'] = false;
+    }
+    return state;
+  },
+  /**
+   * Applies the given state to this block.
+   *
+   * @param state The state to apply to this block, eg the parameters
+   *     and statements.
+   */
+  loadExtraState: function (this: ProcedureBlock, state: ProcedureExtraState) {
+    this.arguments_ = [];
+    this.argumentVarModels_ = [];
+    if (state['params']) {
+      for (let i = 0; i < state['params'].length; i++) {
+        const param = state['params'][i];
+        const variable = Variables.getOrCreateVariablePackage(
+          this.workspace,
+          param['id'],
+          param['name'],
+          '',
+        );
+        this.arguments_.push(variable.name);
+        this.argumentVarModels_.push(variable);
+      }
+    }
+    this.updateParams_();
+    Procedures.mutateCallers(this);
+    this.setStatements_(state['hasStatements'] === false ? false : true);
+  },
+  /**
+   * Populate the mutator's dialog with this block's components.
+   *
+   * @param  workspace Mutator's workspace.
+   * @returns Root block in mutator.
+   */
+  decompose: function (
+    this: ProcedureBlock,
+    workspace: Workspace,
+  ): ContainerBlock {
+    /*
+     * Creates the following XML:
+     * <block type="procedures_mutatorcontainer">
+     *   <statement name="STACK">
+     *     <block type="procedures_mutatorarg">
+     *       <field name="NAME">arg1_name</field>
+     *       <next>etc...</next>
+     *     </block>
+     *   </statement>
+     * </block>
+     */
+
+    const containerBlockNode = xmlUtils.createElement('block');
+    containerBlockNode.setAttribute('type', 'procedures_mutatorcontainer');
+    const statementNode = xmlUtils.createElement('statement');
+    statementNode.setAttribute('name', 'STACK');
+    containerBlockNode.appendChild(statementNode);
+
+    let node = statementNode;
+    for (let i = 0; i < this.arguments_.length; i++) {
+      const argBlockNode = xmlUtils.createElement('block');
+      argBlockNode.setAttribute('type', 'procedures_mutatorarg');
+      const fieldNode = xmlUtils.createElement('field');
+      fieldNode.setAttribute('name', 'NAME');
+      const argumentName = xmlUtils.createTextNode(this.arguments_[i]);
+      fieldNode.appendChild(argumentName);
+      argBlockNode.appendChild(fieldNode);
+      const nextNode = xmlUtils.createElement('next');
+      argBlockNode.appendChild(nextNode);
+
+      node.appendChild(argBlockNode);
+      node = nextNode;
+    }
+
+    const containerBlock = Xml.domToBlock(
+      containerBlockNode,
+      workspace,
+    ) as ContainerBlock;
+
+    if (this.type === 'procedures_defreturn') {
+      containerBlock.setFieldValue(this.hasStatements_, 'STATEMENTS');
+    } else {
+      containerBlock.removeInput('STATEMENT_INPUT');
+    }
+
+    // Initialize procedure's callers with blank IDs.
+    Procedures.mutateCallers(this);
+    return containerBlock;
+  },
+  /**
+   * Reconfigure this block based on the mutator dialog's components.
+   *
+   * @param containerBlock Root block in mutator.
+   */
+  compose: function (this: ProcedureBlock, containerBlock: ContainerBlock) {
+    // Parameter list.
+    this.arguments_ = [];
+    this.paramIds_ = [];
+    this.argumentVarModels_ = [];
+    let paramBlock = containerBlock.getInputTargetBlock('STACK');
+    while (paramBlock && !paramBlock.isInsertionMarker()) {
+      const varName = paramBlock.getFieldValue('NAME');
+      this.arguments_.push(varName);
+      const variable = this.workspace.getVariable(varName, '')!;
+      this.argumentVarModels_.push(variable);
+
+      this.paramIds_.push(paramBlock.id);
+      paramBlock =
+        paramBlock.nextConnection && paramBlock.nextConnection.targetBlock();
+    }
+    this.updateParams_();
+    Procedures.mutateCallers(this);
+
+    // Show/hide the statement input.
+    let hasStatements = containerBlock.getFieldValue('STATEMENTS');
+    if (hasStatements !== null) {
+      hasStatements = hasStatements === 'TRUE';
+      if (this.hasStatements_ !== hasStatements) {
+        if (hasStatements) {
+          this.setStatements_(true);
+          // Restore the stack, if one was saved.
+          this.statementConnection_?.reconnect(this, 'STACK');
+          this.statementConnection_ = null;
+        } else {
+          // Save the stack, then disconnect it.
+          const stackConnection = this.getInput('STACK')!.connection;
+          this.statementConnection_ = stackConnection!.targetConnection;
+          if (this.statementConnection_) {
+            const stackBlock = stackConnection!.targetBlock()!;
+            stackBlock.unplug();
+            stackBlock.bumpNeighbours();
+          }
+          this.setStatements_(false);
+        }
+      }
+    }
+  },
+  /**
+   * Return all variables referenced by this block.
+   *
+   * @returns List of variable names.
+   */
+  getVars: function (this: ProcedureBlock): string[] {
+    return this.arguments_;
+  },
+  /**
+   * Return all variables referenced by this block.
+   *
+   * @returns List of variable models.
+   */
+  getVarModels: function (this: ProcedureBlock): VariableModel[] {
+    return this.argumentVarModels_;
+  },
+  /**
+   * Notification that a variable is renaming.
+   * If the ID matches one of this block's variables, rename it.
+   *
+   * @param oldId ID of variable to rename.
+   * @param newId ID of new variable.  May be the same as oldId, but
+   *     with an updated name.  Guaranteed to be the same type as the
+   *     old variable.
+   */
+  renameVarById: function (
+    this: ProcedureBlock & BlockSvg,
+    oldId: string,
+    newId: string,
+  ) {
+    const oldVariable = this.workspace.getVariableById(oldId)!;
+    if (oldVariable.type !== '') {
+      // Procedure arguments always have the empty type.
+      return;
+    }
+    const oldName = oldVariable.name;
+    const newVar = this.workspace.getVariableById(newId)!;
+
+    let change = false;
+    for (let i = 0; i < this.argumentVarModels_.length; i++) {
+      if (this.argumentVarModels_[i].getId() === oldId) {
+        this.arguments_[i] = newVar.name;
+        this.argumentVarModels_[i] = newVar;
+        change = true;
+      }
+    }
+    if (change) {
+      this.displayRenamedVar_(oldName, newVar.name);
+      Procedures.mutateCallers(this);
+    }
+  },
+  /**
+   * Notification that a variable is renaming but keeping the same ID.  If the
+   * variable is in use on this block, rerender to show the new name.
+   *
+   * @param variable The variable being renamed.
+   */
+  updateVarName: function (
+    this: ProcedureBlock & BlockSvg,
+    variable: VariableModel,
+  ) {
+    const newName = variable.name;
+    let change = false;
+    let oldName;
+    for (let i = 0; i < this.argumentVarModels_.length; i++) {
+      if (this.argumentVarModels_[i].getId() === variable.getId()) {
+        oldName = this.arguments_[i];
+        this.arguments_[i] = newName;
+        change = true;
+      }
+    }
+    if (change) {
+      this.displayRenamedVar_(oldName as string, newName);
+      Procedures.mutateCallers(this);
+    }
+  },
+  /**
+   * Update the display to reflect a newly renamed argument.
+   *
+   * @internal
+   * @param oldName The old display name of the argument.
+   * @param newName The new display name of the argument.
+   */
+  displayRenamedVar_: function (
+    this: ProcedureBlock & BlockSvg,
+    oldName: string,
+    newName: string,
+  ) {
+    this.updateParams_();
+    // Update the mutator's variables if the mutator is open.
+    const mutator = this.getIcon(Mutator.TYPE);
+    if (mutator && mutator.bubbleIsVisible()) {
+      const blocks = mutator.getWorkspace()!.getAllBlocks(false);
+      for (let i = 0, block; (block = blocks[i]); i++) {
+        if (
+          block.type === 'procedures_mutatorarg' &&
+          Names.equals(oldName, block.getFieldValue('NAME'))
+        ) {
+          block.setFieldValue(newName, 'NAME');
+        }
+      }
+    }
+  },
+  /**
+   * Add custom menu options to this block's context menu.
+   *
+   * @param options List of menu options to add to.
+   */
+  customContextMenu: function (
+    this: ProcedureBlock,
+    options: Array<ContextMenuOption | LegacyContextMenuOption>,
+  ) {
+    if (this.isInFlyout) {
+      return;
+    }
+    // Add option to create caller.
+    const name = this.getFieldValue('NAME');
+    const callProcedureBlockState = {
+      type: (this as AnyDuringMigration).callType_,
+      extraState: {name: name, params: this.arguments_},
+    };
+    options.push({
+      enabled: true,
+      text: Msg['PROCEDURES_CREATE_DO'].replace('%1', name),
+      callback: ContextMenu.callbackFactory(this, callProcedureBlockState),
+    });
+
+    // Add options to create getters for each parameter.
+    if (!this.isCollapsed()) {
+      for (let i = 0; i < this.argumentVarModels_.length; i++) {
+        const argVar = this.argumentVarModels_[i];
+        const getVarBlockState = {
+          type: 'variables_get',
+          fields: {
+            VAR: {name: argVar.name, id: argVar.getId(), type: argVar.type},
+          },
+        };
+        options.push({
+          enabled: true,
+          text: Msg['VARIABLES_SET_CREATE_GET'].replace('%1', argVar.name),
+          callback: ContextMenu.callbackFactory(this, getVarBlockState),
+        });
+      }
+    }
+  },
+};
+
+blocks['procedures_defnoreturn'] = {
+  ...PROCEDURE_DEF_COMMON,
+  /**
+   * Block for defining a procedure with no return value.
+   */
+  init: function (this: ProcedureBlock & BlockSvg) {
+    const initName = Procedures.findLegalName('', this);
+    const nameField = fieldRegistry.fromJson({
+      type: 'field_input',
+      text: initName,
+    }) as FieldTextInput;
+    nameField!.setValidator(Procedures.rename);
+    nameField.setSpellcheck(false);
+    this.appendDummyInput()
+      .appendField(Msg['PROCEDURES_DEFNORETURN_TITLE'])
+      .appendField(nameField, 'NAME')
+      .appendField('', 'PARAMS');
+    this.setMutator(new Mutator(['procedures_mutatorarg'], this));
+    if (
+      (this.workspace.options.comments ||
+        (this.workspace.options.parentWorkspace &&
+          this.workspace.options.parentWorkspace.options.comments)) &&
+      Msg['PROCEDURES_DEFNORETURN_COMMENT']
+    ) {
+      this.setCommentText(Msg['PROCEDURES_DEFNORETURN_COMMENT']);
+    }
+    this.setStyle('procedure_blocks');
+    this.setTooltip(Msg['PROCEDURES_DEFNORETURN_TOOLTIP']);
+    this.setHelpUrl(Msg['PROCEDURES_DEFNORETURN_HELPURL']);
+    this.arguments_ = [];
+    this.argumentVarModels_ = [];
+    this.setStatements_(true);
+    this.statementConnection_ = null;
+  },
+  /**
+   * Return the signature of this procedure definition.
+   *
+   * @returns Tuple containing three elements:
+   *     - the name of the defined procedure,
+   *     - a list of all its arguments,
+   *     - that it DOES NOT have a return value.
+   */
+  getProcedureDef: function (this: ProcedureBlock): [string, string[], false] {
+    return [this.getFieldValue('NAME'), this.arguments_, false];
+  },
+  callType_: 'procedures_callnoreturn',
+};
+
+blocks['procedures_defreturn'] = {
+  ...PROCEDURE_DEF_COMMON,
+  /**
+   * Block for defining a procedure with a return value.
+   */
+  init: function (this: ProcedureBlock & BlockSvg) {
+    const initName = Procedures.findLegalName('', this);
+    const nameField = fieldRegistry.fromJson({
+      type: 'field_input',
+      text: initName,
+    }) as FieldTextInput;
+    nameField.setValidator(Procedures.rename);
+    nameField.setSpellcheck(false);
+    this.appendDummyInput()
+      .appendField(Msg['PROCEDURES_DEFRETURN_TITLE'])
+      .appendField(nameField, 'NAME')
+      .appendField('', 'PARAMS');
+    this.appendValueInput('RETURN')
+      .setAlign(Align.RIGHT)
+      .appendField(Msg['PROCEDURES_DEFRETURN_RETURN']);
+    this.setMutator(new Mutator(['procedures_mutatorarg'], this));
+    if (
+      (this.workspace.options.comments ||
+        (this.workspace.options.parentWorkspace &&
+          this.workspace.options.parentWorkspace.options.comments)) &&
+      Msg['PROCEDURES_DEFRETURN_COMMENT']
+    ) {
+      this.setCommentText(Msg['PROCEDURES_DEFRETURN_COMMENT']);
+    }
+    this.setStyle('procedure_blocks');
+    this.setTooltip(Msg['PROCEDURES_DEFRETURN_TOOLTIP']);
+    this.setHelpUrl(Msg['PROCEDURES_DEFRETURN_HELPURL']);
+    this.arguments_ = [];
+    this.argumentVarModels_ = [];
+    this.setStatements_(true);
+    this.statementConnection_ = null;
+  },
+  /**
+   * Return the signature of this procedure definition.
+   *
+   * @returns Tuple containing three elements:
+   *     - the name of the defined procedure,
+   *     - a list of all its arguments,
+   *     - that it DOES have a return value.
+   */
+  getProcedureDef: function (this: ProcedureBlock): [string, string[], true] {
+    return [this.getFieldValue('NAME'), this.arguments_, true];
+  },
+  callType_: 'procedures_callreturn',
+};
+
+/** Type of a procedures_mutatorcontainer block. */
+type ContainerBlock = Block & ContainerMixin;
+interface ContainerMixin extends ContainerMixinType {}
+type ContainerMixinType = typeof PROCEDURES_MUTATORCONTAINER;
+
+const PROCEDURES_MUTATORCONTAINER = {
+  /**
+   * Mutator block for procedure container.
+   */
+  init: function (this: ContainerBlock) {
+    this.appendDummyInput().appendField(
+      Msg['PROCEDURES_MUTATORCONTAINER_TITLE'],
+    );
+    this.appendStatementInput('STACK');
+    this.appendDummyInput('STATEMENT_INPUT')
+      .appendField(Msg['PROCEDURES_ALLOW_STATEMENTS'])
+      .appendField(
+        fieldRegistry.fromJson({
+          type: 'field_checkbox',
+          checked: true,
+        }) as FieldCheckbox,
+        'STATEMENTS',
+      );
+    this.setStyle('procedure_blocks');
+    this.setTooltip(Msg['PROCEDURES_MUTATORCONTAINER_TOOLTIP']);
+    this.contextMenu = false;
+  },
+};
+blocks['procedures_mutatorcontainer'] = PROCEDURES_MUTATORCONTAINER;
+
+/** Type of a procedures_mutatorarg block. */
+type ArgumentBlock = Block & ArgumentMixin;
+interface ArgumentMixin extends ArgumentMixinType {}
+type ArgumentMixinType = typeof PROCEDURES_MUTATORARGUMENT;
+
+// TODO(#6920): This is kludgy.
+type FieldTextInputForArgument = FieldTextInput & {
+  oldShowEditorFn_(_e?: Event, quietInput?: boolean): void;
+  createdVariables_: VariableModel[];
+};
+
+const PROCEDURES_MUTATORARGUMENT = {
+  /**
+   * Mutator block for procedure argument.
+   */
+  init: function (this: ArgumentBlock) {
+    const field = fieldRegistry.fromJson({
+      type: 'field_input',
+      text: Procedures.DEFAULT_ARG,
+    }) as FieldTextInputForArgument;
+    field.setValidator(this.validator_);
+    // Hack: override showEditor to do just a little bit more work.
+    // We don't have a good place to hook into the start of a text edit.
+    field.oldShowEditorFn_ = (field as AnyDuringMigration).showEditor_;
+    const newShowEditorFn = function (this: typeof field) {
+      this.createdVariables_ = [];
+      this.oldShowEditorFn_();
+    };
+    (field as AnyDuringMigration).showEditor_ = newShowEditorFn;
+
+    this.appendDummyInput()
+      .appendField(Msg['PROCEDURES_MUTATORARG_TITLE'])
+      .appendField(field, 'NAME');
+    this.setPreviousStatement(true);
+    this.setNextStatement(true);
+    this.setStyle('procedure_blocks');
+    this.setTooltip(Msg['PROCEDURES_MUTATORARG_TOOLTIP']);
+    this.contextMenu = false;
+
+    // Create the default variable when we drag the block in from the flyout.
+    // Have to do this after installing the field on the block.
+    field.onFinishEditing_ = this.deleteIntermediateVars_;
+    // Create an empty list so onFinishEditing_ has something to look at, even
+    // though the editor was never opened.
+    field.createdVariables_ = [];
+    field.onFinishEditing_('x');
+  },
+
+  /**
+   * Obtain a valid name for the procedure argument. Create a variable if
+   * necessary.
+   * Merge runs of whitespace.  Strip leading and trailing whitespace.
+   * Beyond this, all names are legal.
+   *
+   * @internal
+   * @param varName User-supplied name.
+   * @returns Valid name, or null if a name was not specified.
+   */
+  validator_: function (
+    this: FieldTextInputForArgument,
+    varName: string,
+  ): string | null {
+    const sourceBlock = this.getSourceBlock()!;
+    const outerWs = sourceBlock!.workspace.getRootWorkspace()!;
+    varName = varName.replace(/[\s\xa0]+/g, ' ').replace(/^ | $/g, '');
+    if (!varName) {
+      return null;
+    }
+
+    // Prevents duplicate parameter names in functions
+    const workspace =
+      (sourceBlock.workspace as WorkspaceSvg).targetWorkspace ||
+      sourceBlock.workspace;
+    const blocks = workspace.getAllBlocks(false);
+    const caselessName = varName.toLowerCase();
+    for (let i = 0; i < blocks.length; i++) {
+      if (blocks[i].id === this.getSourceBlock()!.id) {
+        continue;
+      }
+      // Other blocks values may not be set yet when this is loaded.
+      const otherVar = blocks[i].getFieldValue('NAME');
+      if (otherVar && otherVar.toLowerCase() === caselessName) {
+        return null;
+      }
+    }
+
+    // Don't create variables for arg blocks that
+    // only exist in the mutator's flyout.
+    if (sourceBlock.isInFlyout) {
+      return varName;
+    }
+
+    let model = outerWs.getVariable(varName, '');
+    if (model && model.name !== varName) {
+      // Rename the variable (case change)
+      outerWs.renameVariableById(model.getId(), varName);
+    }
+    if (!model) {
+      model = outerWs.createVariable(varName, '');
+      if (model && this.createdVariables_) {
+        this.createdVariables_.push(model);
+      }
+    }
+    return varName;
+  },
+
+  /**
+   * Called when focusing away from the text field.
+   * Deletes all variables that were created as the user typed their intended
+   * variable name.
+   *
+   * @internal
+   * @param  newText The new variable name.
+   */
+  deleteIntermediateVars_: function (
+    this: FieldTextInputForArgument,
+    newText: string,
+  ) {
+    const outerWs = this.getSourceBlock()!.workspace.getRootWorkspace();
+    if (!outerWs) {
+      return;
+    }
+    for (let i = 0; i < this.createdVariables_.length; i++) {
+      const model = this.createdVariables_[i];
+      if (model.name !== newText) {
+        outerWs.deleteVariableById(model.getId());
+      }
+    }
+  },
+};
+blocks['procedures_mutatorarg'] = PROCEDURES_MUTATORARGUMENT;
+
+/** Type of a block using the PROCEDURE_CALL_COMMON mixin. */
+type CallBlock = Block & CallMixin;
+interface CallMixin extends CallMixinType {
+  argumentVarModels_: VariableModel[];
+  arguments_: string[];
+  defType_: string;
+  quarkIds_: string[] | null;
+  quarkConnections_: {[id: string]: Connection};
+}
+type CallMixinType = typeof PROCEDURE_CALL_COMMON;
+
+/** Extra state for serialising call blocks. */
+type CallExtraState = {
+  name: string;
+  params?: string[];
+};
+
+/**
+ * The language-neutral ID for when the reason why a block is disabled is
+ * because the block's corresponding procedure definition is disabled.
+ */
+const DISABLED_PROCEDURE_DEFINITION_DISABLED_REASON =
+  'DISABLED_PROCEDURE_DEFINITION';
+
+/**
+ * Common properties for the procedure_callnoreturn and
+ * procedure_callreturn blocks.
+ */
+const PROCEDURE_CALL_COMMON = {
+  /**
+   * Returns the name of the procedure this block calls.
+   *
+   * @returns Procedure name.
+   */
+  getProcedureCall: function (this: CallBlock): string {
+    // The NAME field is guaranteed to exist, null will never be returned.
+    return this.getFieldValue('NAME');
+  },
+  /**
+   * Notification that a procedure is renaming.
+   * If the name matches this block's procedure, rename it.
+   *
+   * @param oldName Previous name of procedure.
+   * @param newName Renamed procedure.
+   */
+  renameProcedure: function (
+    this: CallBlock,
+    oldName: string,
+    newName: string,
+  ) {
+    if (Names.equals(oldName, this.getProcedureCall())) {
+      this.setFieldValue(newName, 'NAME');
+      const baseMsg = this.outputConnection
+        ? Msg['PROCEDURES_CALLRETURN_TOOLTIP']
+        : Msg['PROCEDURES_CALLNORETURN_TOOLTIP'];
+      this.setTooltip(baseMsg.replace('%1', newName));
+    }
+  },
+  /**
+   * Notification that the procedure's parameters have changed.
+   *
+   * @internal
+   * @param paramNames New param names, e.g. ['x', 'y', 'z'].
+   * @param paramIds IDs of params (consistent for each parameter
+   *     through the life of a mutator, regardless of param renaming),
+   *     e.g. ['piua', 'f8b_', 'oi.o'].
+   */
+  setProcedureParameters_: function (
+    this: CallBlock,
+    paramNames: string[],
+    paramIds: string[],
+  ) {
+    // Data structures:
+    // this.arguments = ['x', 'y']
+    //     Existing param names.
+    // this.quarkConnections_ {piua: null, f8b_: Connection}
+    //     Look-up of paramIds to connections plugged into the call block.
+    // this.quarkIds_ = ['piua', 'f8b_']
+    //     Existing param IDs.
+    // Note that quarkConnections_ may include IDs that no longer exist, but
+    // which might reappear if a param is reattached in the mutator.
+    const defBlock = Procedures.getDefinition(
+      this.getProcedureCall(),
+      this.workspace,
+    );
+    const mutatorIcon = defBlock && defBlock.getIcon(Mutator.TYPE);
+    const mutatorOpen = mutatorIcon && mutatorIcon.bubbleIsVisible();
+    if (!mutatorOpen) {
+      this.quarkConnections_ = {};
+      this.quarkIds_ = null;
+    } else {
+      // fix #6091 - this call could cause an error when outside if-else
+      // expanding block while mutating prevents another error (ancient fix)
+      this.setCollapsed(false);
+    }
+    // Test arguments (arrays of strings) for changes. '\n' is not a valid
+    // argument name character, so it is a valid delimiter here.
+    if (paramNames.join('\n') === this.arguments_.join('\n')) {
+      // No change.
+      this.quarkIds_ = paramIds;
+      return;
+    }
+    if (paramIds.length !== paramNames.length) {
+      throw RangeError('paramNames and paramIds must be the same length.');
+    }
+    if (!this.quarkIds_) {
+      // Initialize tracking for this block.
+      this.quarkConnections_ = {};
+      this.quarkIds_ = [];
+    }
+    // Update the quarkConnections_ with existing connections.
+    for (let i = 0; i < this.arguments_.length; i++) {
+      const input = this.getInput('ARG' + i);
+      if (input) {
+        const connection = input.connection!.targetConnection!;
+        this.quarkConnections_[this.quarkIds_[i]] = connection;
+        if (
+          mutatorOpen &&
+          connection &&
+          !paramIds.includes(this.quarkIds_[i])
+        ) {
+          // This connection should no longer be attached to this block.
+          connection.disconnect();
+          connection.getSourceBlock().bumpNeighbours();
+        }
+      }
+    }
+    // Rebuild the block's arguments.
+    this.arguments_ = ([] as string[]).concat(paramNames);
+    // And rebuild the argument model list.
+    this.argumentVarModels_ = [];
+    for (let i = 0; i < this.arguments_.length; i++) {
+      const variable = Variables.getOrCreateVariablePackage(
+        this.workspace,
+        null,
+        this.arguments_[i],
+        '',
+      );
+      this.argumentVarModels_.push(variable);
+    }
+
+    this.updateShape_();
+    this.quarkIds_ = paramIds;
+    // Reconnect any child blocks.
+    if (this.quarkIds_) {
+      for (let i = 0; i < this.arguments_.length; i++) {
+        const quarkId: string = this.quarkIds_[i]; // TODO(#6920)
+        if (quarkId in this.quarkConnections_) {
+          // TODO(#6920): investigate claimed circular initialisers.
+          const connection: Connection = this.quarkConnections_[quarkId];
+          if (!connection?.reconnect(this, 'ARG' + i)) {
+            // Block no longer exists or has been attached elsewhere.
+            delete this.quarkConnections_[quarkId];
+          }
+        }
+      }
+    }
+  },
+  /**
+   * Modify this block to have the correct number of arguments.
+   *
+   * @internal
+   */
+  updateShape_: function (this: CallBlock) {
+    for (let i = 0; i < this.arguments_.length; i++) {
+      const argField = this.getField('ARGNAME' + i);
+      if (argField) {
+        // Ensure argument name is up to date.
+        // The argument name field is deterministic based on the mutation,
+        // no need to fire a change event.
+        Events.disable();
+        try {
+          argField.setValue(this.arguments_[i]);
+        } finally {
+          Events.enable();
+        }
+      } else {
+        // Add new input.
+        const newField = fieldRegistry.fromJson({
+          type: 'field_label',
+          text: this.arguments_[i],
+        }) as FieldLabel;
+        this.appendValueInput('ARG' + i)
+          .setAlign(Align.RIGHT)
+          .appendField(newField, 'ARGNAME' + i);
+      }
+    }
+    // Remove deleted inputs.
+    for (let i = this.arguments_.length; this.getInput('ARG' + i); i++) {
+      this.removeInput('ARG' + i);
+    }
+    // Add 'with:' if there are parameters, remove otherwise.
+    const topRow = this.getInput('TOPROW');
+    if (topRow) {
+      if (this.arguments_.length) {
+        if (!this.getField('WITH')) {
+          topRow.appendField(Msg['PROCEDURES_CALL_BEFORE_PARAMS'], 'WITH');
+        }
+      } else {
+        if (this.getField('WITH')) {
+          topRow.removeField('WITH');
+        }
+      }
+    }
+  },
+  /**
+   * Create XML to represent the (non-editable) name and arguments.
+   * Backwards compatible serialization implementation.
+   *
+   * @returns XML storage element.
+   */
+  mutationToDom: function (this: CallBlock): Element {
+    const container = xmlUtils.createElement('mutation');
+    container.setAttribute('name', this.getProcedureCall());
+    for (let i = 0; i < this.arguments_.length; i++) {
+      const parameter = xmlUtils.createElement('arg');
+      parameter.setAttribute('name', this.arguments_[i]);
+      container.appendChild(parameter);
+    }
+    return container;
+  },
+  /**
+   * Parse XML to restore the (non-editable) name and parameters.
+   * Backwards compatible serialization implementation.
+   *
+   * @param xmlElement XML storage element.
+   */
+  domToMutation: function (this: CallBlock, xmlElement: Element) {
+    const name = xmlElement.getAttribute('name')!;
+    this.renameProcedure(this.getProcedureCall(), name);
+    const args: string[] = [];
+    const paramIds = [];
+    for (let i = 0, childNode; (childNode = xmlElement.childNodes[i]); i++) {
+      if (childNode.nodeName.toLowerCase() === 'arg') {
+        args.push((childNode as Element).getAttribute('name')!);
+        paramIds.push((childNode as Element).getAttribute('paramId')!);
+      }
+    }
+    this.setProcedureParameters_(args, paramIds);
+  },
+  /**
+   * Returns the state of this block as a JSON serializable object.
+   *
+   * @returns The state of this block, ie the params and procedure name.
+   */
+  saveExtraState: function (this: CallBlock): CallExtraState {
+    const state = Object.create(null);
+    state['name'] = this.getProcedureCall();
+    if (this.arguments_.length) {
+      state['params'] = this.arguments_;
+    }
+    return state;
+  },
+  /**
+   * Applies the given state to this block.
+   *
+   * @param state The state to apply to this block, ie the params and
+   *     procedure name.
+   */
+  loadExtraState: function (this: CallBlock, state: CallExtraState) {
+    this.renameProcedure(this.getProcedureCall(), state['name']);
+    const params = state['params'];
+    if (params) {
+      const ids: string[] = [];
+      ids.length = params.length;
+      ids.fill(null as unknown as string); // TODO(#6920)
+      this.setProcedureParameters_(params, ids);
+    }
+  },
+  /**
+   * Return all variables referenced by this block.
+   *
+   * @returns List of variable names.
+   */
+  getVars: function (this: CallBlock): string[] {
+    return this.arguments_;
+  },
+  /**
+   * Return all variables referenced by this block.
+   *
+   * @returns List of variable models.
+   */
+  getVarModels: function (this: CallBlock): VariableModel[] {
+    return this.argumentVarModels_;
+  },
+  /**
+   * Procedure calls cannot exist without the corresponding procedure
+   * definition.  Enforce this link whenever an event is fired.
+   *
+   * @param event Change event.
+   */
+  onchange: function (this: CallBlock, event: AbstractEvent) {
+    if (!this.workspace || this.workspace.isFlyout) {
+      // Block is deleted or is in a flyout.
+      return;
+    }
+    if (!event.recordUndo) {
+      // Events not generated by user. Skip handling.
+      return;
+    }
+    if (
+      event.type === Events.BLOCK_CREATE &&
+      (event as BlockCreate).ids!.includes(this.id)
+    ) {
+      // Look for the case where a procedure call was created (usually through
+      // paste) and there is no matching definition.  In this case, create
+      // an empty definition block with the correct signature.
+      const name = this.getProcedureCall();
+      let def = Procedures.getDefinition(name, this.workspace);
+      if (
+        def &&
+        (def.type !== this.defType_ ||
+          JSON.stringify(def.getVars()) !== JSON.stringify(this.arguments_))
+      ) {
+        // The signatures don't match.
+        def = null;
+      }
+      if (!def) {
+        Events.setGroup(event.group);
+        /**
+         * Create matching definition block.
+         * <xml xmlns="https://developers.google.com/blockly/xml">
+         *   <block type="procedures_defreturn" x="10" y="20">
+         *     <mutation name="test">
+         *       <arg name="x"></arg>
+         *     </mutation>
+         *     <field name="NAME">test</field>
+         *   </block>
+         * </xml>
+         */
+        const xml = xmlUtils.createElement('xml');
+        const block = xmlUtils.createElement('block');
+        block.setAttribute('type', this.defType_);
+        const xy = this.getRelativeToSurfaceXY();
+        const x = xy.x + config.snapRadius * (this.RTL ? -1 : 1);
+        const y = xy.y + config.snapRadius * 2;
+        block.setAttribute('x', `${x}`);
+        block.setAttribute('y', `${y}`);
+        const mutation = this.mutationToDom();
+        block.appendChild(mutation);
+        const field = xmlUtils.createElement('field');
+        field.setAttribute('name', 'NAME');
+        const callName = this.getProcedureCall();
+        const newName = Procedures.findLegalName(callName, this);
+        if (callName !== newName) {
+          this.renameProcedure(callName, newName);
+        }
+        field.appendChild(xmlUtils.createTextNode(callName));
+        block.appendChild(field);
+        xml.appendChild(block);
+        Xml.domToWorkspace(xml, this.workspace);
+        Events.setGroup(false);
+      }
+    } else if (event.type === Events.BLOCK_DELETE) {
+      // Look for the case where a procedure definition has been deleted,
+      // leaving this block (a procedure call) orphaned.  In this case, delete
+      // the orphan.
+      const name = this.getProcedureCall();
+      const def = Procedures.getDefinition(name, this.workspace);
+      if (!def) {
+        Events.setGroup(event.group);
+        this.dispose(true);
+        Events.setGroup(false);
+      }
+    } else if (
+      event.type === Events.BLOCK_CHANGE &&
+      (event as BlockChange).element === 'disabled'
+    ) {
+      const blockChangeEvent = event as BlockChange;
+      const name = this.getProcedureCall();
+      const def = Procedures.getDefinition(name, this.workspace);
+      if (def && def.id === blockChangeEvent.blockId) {
+        // in most cases the old group should be ''
+        const oldGroup = Events.getGroup();
+        if (oldGroup) {
+          // This should only be possible programmatically and may indicate a
+          // problem with event grouping. If you see this message please
+          // investigate. If the use ends up being valid we may need to reorder
+          // events in the undo stack.
+          console.log(
+            'Saw an existing group while responding to a definition change',
+          );
+        }
+        Events.setGroup(event.group);
+        const valid = def.isEnabled();
+        this.setDisabledReason(
+          !valid,
+          DISABLED_PROCEDURE_DEFINITION_DISABLED_REASON,
+        );
+        this.setWarningText(
+          valid
+            ? null
+            : Msg['PROCEDURES_CALL_DISABLED_DEF_WARNING'].replace('%1', name),
+        );
+        Events.setGroup(oldGroup);
+      }
+    }
+  },
+  /**
+   * Add menu option to find the definition block for this call.
+   *
+   * @param options List of menu options to add to.
+   */
+  customContextMenu: function (
+    this: CallBlock,
+    options: Array<ContextMenuOption | LegacyContextMenuOption>,
+  ) {
+    if (!(this.workspace as WorkspaceSvg).isMovable()) {
+      // If we center on the block and the workspace isn't movable we could
+      // loose blocks at the edges of the workspace.
+      return;
+    }
+
+    const name = this.getProcedureCall();
+    const workspace = this.workspace;
+    options.push({
+      enabled: true,
+      text: Msg['PROCEDURES_HIGHLIGHT_DEF'],
+      callback: function () {
+        const def = Procedures.getDefinition(name, workspace);
+        if (def) {
+          (workspace as WorkspaceSvg).centerOnBlock(def.id);
+          common.setSelected(def as BlockSvg);
+        }
+      },
+    });
+  },
+};
+
+blocks['procedures_callnoreturn'] = {
+  ...PROCEDURE_CALL_COMMON,
+  /**
+   * Block for calling a procedure with no return value.
+   */
+  init: function (this: CallBlock) {
+    this.appendDummyInput('TOPROW').appendField('', 'NAME');
+    this.setPreviousStatement(true);
+    this.setNextStatement(true);
+    this.setStyle('procedure_blocks');
+    // Tooltip is set in renameProcedure.
+    this.setHelpUrl(Msg['PROCEDURES_CALLNORETURN_HELPURL']);
+    this.arguments_ = [];
+    this.argumentVarModels_ = [];
+    this.quarkConnections_ = {};
+    this.quarkIds_ = null;
+  },
+
+  defType_: 'procedures_defnoreturn',
+};
+
+blocks['procedures_callreturn'] = {
+  ...PROCEDURE_CALL_COMMON,
+  /**
+   * Block for calling a procedure with a return value.
+   */
+  init: function (this: CallBlock) {
+    this.appendDummyInput('TOPROW').appendField('', 'NAME');
+    this.setOutput(true);
+    this.setStyle('procedure_blocks');
+    // Tooltip is set in domToMutation.
+    this.setHelpUrl(Msg['PROCEDURES_CALLRETURN_HELPURL']);
+    this.arguments_ = [];
+    this.argumentVarModels_ = [];
+    this.quarkConnections_ = {};
+    this.quarkIds_ = null;
+  },
+
+  defType_: 'procedures_defreturn',
+};
+
+/**
+ * Type of a procedures_ifreturn block.
+ *
+ * @internal
+ */
+export type IfReturnBlock = Block & IfReturnMixin;
+interface IfReturnMixin extends IfReturnMixinType {
+  hasReturnValue_: boolean;
+}
+type IfReturnMixinType = typeof PROCEDURES_IFRETURN;
+
+/**
+ * The language-neutral ID for when the reason why a block is disabled is
+ * because the block is only valid inside of a procedure body.
+ */
+const UNPARENTED_IFRETURN_DISABLED_REASON = 'UNPARENTED_IFRETURN';
+
+const PROCEDURES_IFRETURN = {
+  /**
+   * Block for conditionally returning a value from a procedure.
+   */
+  init: function (this: IfReturnBlock) {
+    this.appendValueInput('CONDITION')
+      .setCheck('Boolean')
+      .appendField(Msg['CONTROLS_IF_MSG_IF']);
+    this.appendValueInput('VALUE').appendField(
+      Msg['PROCEDURES_DEFRETURN_RETURN'],
+    );
+    this.setInputsInline(true);
+    this.setPreviousStatement(true);
+    this.setNextStatement(true);
+    this.setStyle('procedure_blocks');
+    this.setTooltip(Msg['PROCEDURES_IFRETURN_TOOLTIP']);
+    this.setHelpUrl(Msg['PROCEDURES_IFRETURN_HELPURL']);
+    this.hasReturnValue_ = true;
+  },
+  /**
+   * Create XML to represent whether this block has a return value.
+   *
+   * @returns XML storage element.
+   */
+  mutationToDom: function (this: IfReturnBlock): Element {
+    const container = xmlUtils.createElement('mutation');
+    container.setAttribute('value', String(Number(this.hasReturnValue_)));
+    return container;
+  },
+  /**
+   * Parse XML to restore whether this block has a return value.
+   *
+   * @param xmlElement XML storage element.
+   */
+  domToMutation: function (this: IfReturnBlock, xmlElement: Element) {
+    const value = xmlElement.getAttribute('value');
+    this.hasReturnValue_ = value === '1';
+    if (!this.hasReturnValue_) {
+      this.removeInput('VALUE');
+      this.appendDummyInput('VALUE').appendField(
+        Msg['PROCEDURES_DEFRETURN_RETURN'],
+      );
+    }
+  },
+
+  // This block does not need JSO serialization hooks (saveExtraState and
+  // loadExtraState) because the state of this block is already encoded in the
+  // block's position in the workspace.
+  // XML hooks are kept for backwards compatibility.
+
+  /**
+   * Called whenever anything on the workspace changes.
+   * Add warning if this flow block is not nested inside a loop.
+   *
+   * @param e Move event.
+   */
+  onchange: function (this: IfReturnBlock, e: AbstractEvent) {
+    if (
+      ((this.workspace as WorkspaceSvg).isDragging &&
+        (this.workspace as WorkspaceSvg).isDragging()) ||
+      (e.type !== Events.BLOCK_MOVE && e.type !== Events.BLOCK_CREATE)
+    ) {
+      return; // Don't change state at the start of a drag.
+    }
+    let legal = false;
+    // Is the block nested in a procedure?
+    let block = this; // eslint-disable-line @typescript-eslint/no-this-alias
+    do {
+      if (this.FUNCTION_TYPES.includes(block.type)) {
+        legal = true;
+        break;
+      }
+      block = block.getSurroundParent()!;
+    } while (block);
+    if (legal) {
+      // If needed, toggle whether this block has a return value.
+      if (block.type === 'procedures_defnoreturn' && this.hasReturnValue_) {
+        this.removeInput('VALUE');
+        this.appendDummyInput('VALUE').appendField(
+          Msg['PROCEDURES_DEFRETURN_RETURN'],
+        );
+        this.hasReturnValue_ = false;
+      } else if (
+        block.type === 'procedures_defreturn' &&
+        !this.hasReturnValue_
+      ) {
+        this.removeInput('VALUE');
+        this.appendValueInput('VALUE').appendField(
+          Msg['PROCEDURES_DEFRETURN_RETURN'],
+        );
+        this.hasReturnValue_ = true;
+      }
+      this.setWarningText(null);
+    } else {
+      this.setWarningText(Msg['PROCEDURES_IFRETURN_WARNING']);
+    }
+
+    if (!this.isInFlyout) {
+      try {
+        // There is no need to record the enable/disable change on the undo/redo
+        // list since the change will be automatically recreated when replayed.
+        eventUtils.setRecordUndo(false);
+        this.setDisabledReason(!legal, UNPARENTED_IFRETURN_DISABLED_REASON);
+      } finally {
+        eventUtils.setRecordUndo(true);
+      }
+    }
+  },
+  /**
+   * List of block types that are functions and thus do not need warnings.
+   * To add a new function type add this to your code:
+   * Blocks['procedures_ifreturn'].FUNCTION_TYPES.push('custom_func');
+   */
+  FUNCTION_TYPES: ['procedures_defnoreturn', 'procedures_defreturn'],
+};
+blocks['procedures_ifreturn'] = PROCEDURES_IFRETURN;
+
+// Register provided blocks.
+defineBlocks(blocks);
diff --git a/blocks/text.js b/blocks/text.js
deleted file mode 100644
index 65710f1aa88..00000000000
--- a/blocks/text.js
+++ /dev/null
@@ -1,923 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Text blocks for Blockly.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Blocks.texts');  // Deprecated
-goog.provide('Blockly.Constants.Text');
-
-goog.require('Blockly');
-goog.require('Blockly.Blocks');
-goog.require('Blockly.FieldDropdown');
-goog.require('Blockly.FieldImage');
-goog.require('Blockly.FieldMultilineInput');
-goog.require('Blockly.FieldTextInput');
-goog.require('Blockly.FieldVariable');
-goog.require('Blockly.Mutator');
-
-
-/**
- * Unused constant for the common HSV hue for all blocks in this category.
- * @deprecated Use Blockly.Msg['TEXTS_HUE']. (2018 April 5)
- */
-Blockly.Constants.Text.HUE = 160;
-
-Blockly.defineBlocksWithJsonArray([  // BEGIN JSON EXTRACT
-  // Block for text value
-  {
-    "type": "text",
-    "message0": "%1",
-    "args0": [{
-      "type": "field_input",
-      "name": "TEXT",
-      "text": ""
-    }],
-    "output": "String",
-    "style": "text_blocks",
-    "helpUrl": "%{BKY_TEXT_TEXT_HELPURL}",
-    "tooltip": "%{BKY_TEXT_TEXT_TOOLTIP}",
-    "extensions": [
-      "text_quotes",
-      "parent_tooltip_when_inline"
-    ]
-  },
-  {
-    "type": "text_multiline",
-    "message0": "%1 %2",
-    "args0": [{
-      "type": "field_image",
-      "src": 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAARCAYAAADpP' +
-             'U2iAAAABGdBTUEAALGPC/xhBQAAAAlwSFlzAAAdhgAAHYYBXaITgQAAABh0RVh0' +
-             'U29mdHdhcmUAcGFpbnQubmV0IDQuMS42/U4J6AAAAP1JREFUOE+Vks0KQUEYhjm' +
-             'RIja4ABtZ2dm5A3t3Ia6AUm7CylYuQRaUhZSlLZJiQbFAyRnPN33y01HOW08z88' +
-             '73zpwzM4F3GWOCruvGIE4/rLaV+Nq1hVGMBqzhqlxgCys4wJA65xnogMHsQ5luj' +
-             'nYHTejBBCK2mE4abjCgMGhNxHgDFWjDSG07kdfVa2pZMf4ZyMAdWmpZMfYOsLiD' +
-             'MYMjlMB+K613QISRhTnITnsYg5yUd0DETmEoMlkFOeIT/A58iyK5E18BuTBfgYX' +
-             'fwNJv4P9/oEBerLylOnRhygmGdPpTTBZAPkde61lbQe4moWUvYUZYLfUNftIY4z' +
-             'wA5X2Z9AYnQrEAAAAASUVORK5CYII=',
-      "width": 12,
-      "height": 17,
-      "alt": '\u00B6'
-    },{
-      "type": "field_multilinetext",
-      "name": "TEXT",
-      "text": ""
-    }],
-    "output": "String",
-    "style": "text_blocks",
-    "helpUrl": "%{BKY_TEXT_TEXT_HELPURL}",
-    "tooltip": "%{BKY_TEXT_TEXT_TOOLTIP}",
-    "extensions": [
-      "parent_tooltip_when_inline"
-    ]
-  },
-  {
-    "type": "text_join",
-    "message0": "",
-    "output": "String",
-    "style": "text_blocks",
-    "helpUrl": "%{BKY_TEXT_JOIN_HELPURL}",
-    "tooltip": "%{BKY_TEXT_JOIN_TOOLTIP}",
-    "mutator": "text_join_mutator"
-
-  },
-  {
-    "type": "text_create_join_container",
-    "message0": "%{BKY_TEXT_CREATE_JOIN_TITLE_JOIN} %1 %2",
-    "args0": [{
-      "type": "input_dummy"
-    },
-    {
-      "type": "input_statement",
-      "name": "STACK"
-    }],
-    "style": "text_blocks",
-    "tooltip": "%{BKY_TEXT_CREATE_JOIN_TOOLTIP}",
-    "enableContextMenu": false
-  },
-  {
-    "type": "text_create_join_item",
-    "message0": "%{BKY_TEXT_CREATE_JOIN_ITEM_TITLE_ITEM}",
-    "previousStatement": null,
-    "nextStatement": null,
-    "style": "text_blocks",
-    "tooltip": "%{BKY_TEXT_CREATE_JOIN_ITEM_TOOLTIP}",
-    "enableContextMenu": false
-  },
-  {
-    "type": "text_append",
-    "message0": "%{BKY_TEXT_APPEND_TITLE}",
-    "args0": [{
-      "type": "field_variable",
-      "name": "VAR",
-      "variable": "%{BKY_TEXT_APPEND_VARIABLE}"
-    },
-    {
-      "type": "input_value",
-      "name": "TEXT"
-    }],
-    "previousStatement": null,
-    "nextStatement": null,
-    "style": "text_blocks",
-    "extensions": [
-      "text_append_tooltip"
-    ]
-  },
-  {
-    "type": "text_length",
-    "message0": "%{BKY_TEXT_LENGTH_TITLE}",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "VALUE",
-        "check": ['String', 'Array']
-      }
-    ],
-    "output": 'Number',
-    "style": "text_blocks",
-    "tooltip": "%{BKY_TEXT_LENGTH_TOOLTIP}",
-    "helpUrl": "%{BKY_TEXT_LENGTH_HELPURL}"
-  },
-  {
-    "type": "text_isEmpty",
-    "message0": "%{BKY_TEXT_ISEMPTY_TITLE}",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "VALUE",
-        "check": ['String', 'Array']
-      }
-    ],
-    "output": 'Boolean',
-    "style": "text_blocks",
-    "tooltip": "%{BKY_TEXT_ISEMPTY_TOOLTIP}",
-    "helpUrl": "%{BKY_TEXT_ISEMPTY_HELPURL}"
-  },
-  {
-    "type": "text_indexOf",
-    "message0": "%{BKY_TEXT_INDEXOF_TITLE}",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "VALUE",
-        "check": "String"
-      },
-      {
-        "type": "field_dropdown",
-        "name": "END",
-        "options": [
-          [
-            "%{BKY_TEXT_INDEXOF_OPERATOR_FIRST}",
-            "FIRST"
-          ],
-          [
-            "%{BKY_TEXT_INDEXOF_OPERATOR_LAST}",
-            "LAST"
-          ]
-        ]
-      },
-      {
-        "type": "input_value",
-        "name": "FIND",
-        "check": "String"
-      }
-    ],
-    "output": "Number",
-    "style": "text_blocks",
-    "helpUrl": "%{BKY_TEXT_INDEXOF_HELPURL}",
-    "inputsInline": true,
-    "extensions": [
-      "text_indexOf_tooltip"
-    ]
-  },
-  {
-    "type": "text_charAt",
-    "message0": "%{BKY_TEXT_CHARAT_TITLE}", // "in text %1 %2"
-    "args0": [
-      {
-        "type":"input_value",
-        "name": "VALUE",
-        "check": "String"
-      },
-      {
-        "type": "field_dropdown",
-        "name": "WHERE",
-        "options": [
-          ["%{BKY_TEXT_CHARAT_FROM_START}", "FROM_START"],
-          ["%{BKY_TEXT_CHARAT_FROM_END}", "FROM_END"],
-          ["%{BKY_TEXT_CHARAT_FIRST}", "FIRST"],
-          ["%{BKY_TEXT_CHARAT_LAST}", "LAST"],
-          ["%{BKY_TEXT_CHARAT_RANDOM}", "RANDOM"]
-        ]
-      }
-    ],
-    "output": "String",
-    "style": "text_blocks",
-    "helpUrl": "%{BKY_TEXT_CHARAT_HELPURL}",
-    "inputsInline": true,
-    "mutator": "text_charAt_mutator"
-  }
-]);  // END JSON EXTRACT (Do not delete this comment.)
-
-Blockly.Blocks['text_getSubstring'] = {
-  /**
-   * Block for getting substring.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    this['WHERE_OPTIONS_1'] = [
-      [Blockly.Msg['TEXT_GET_SUBSTRING_START_FROM_START'], 'FROM_START'],
-      [Blockly.Msg['TEXT_GET_SUBSTRING_START_FROM_END'], 'FROM_END'],
-      [Blockly.Msg['TEXT_GET_SUBSTRING_START_FIRST'], 'FIRST']
-    ];
-    this['WHERE_OPTIONS_2'] = [
-      [Blockly.Msg['TEXT_GET_SUBSTRING_END_FROM_START'], 'FROM_START'],
-      [Blockly.Msg['TEXT_GET_SUBSTRING_END_FROM_END'], 'FROM_END'],
-      [Blockly.Msg['TEXT_GET_SUBSTRING_END_LAST'], 'LAST']
-    ];
-    this.setHelpUrl(Blockly.Msg['TEXT_GET_SUBSTRING_HELPURL']);
-    this.setStyle('text_blocks');
-    this.appendValueInput('STRING')
-        .setCheck('String')
-        .appendField(Blockly.Msg['TEXT_GET_SUBSTRING_INPUT_IN_TEXT']);
-    this.appendDummyInput('AT1');
-    this.appendDummyInput('AT2');
-    if (Blockly.Msg['TEXT_GET_SUBSTRING_TAIL']) {
-      this.appendDummyInput('TAIL')
-          .appendField(Blockly.Msg['TEXT_GET_SUBSTRING_TAIL']);
-    }
-    this.setInputsInline(true);
-    this.setOutput(true, 'String');
-    this.updateAt_(1, true);
-    this.updateAt_(2, true);
-    this.setTooltip(Blockly.Msg['TEXT_GET_SUBSTRING_TOOLTIP']);
-  },
-  /**
-   * Create XML to represent whether there are 'AT' inputs.
-   * @return {!Element} XML storage element.
-   * @this {Blockly.Block}
-   */
-  mutationToDom: function() {
-    var container = Blockly.utils.xml.createElement('mutation');
-    var isAt1 = this.getInput('AT1').type == Blockly.INPUT_VALUE;
-    container.setAttribute('at1', isAt1);
-    var isAt2 = this.getInput('AT2').type == Blockly.INPUT_VALUE;
-    container.setAttribute('at2', isAt2);
-    return container;
-  },
-  /**
-   * Parse XML to restore the 'AT' inputs.
-   * @param {!Element} xmlElement XML storage element.
-   * @this {Blockly.Block}
-   */
-  domToMutation: function(xmlElement) {
-    var isAt1 = (xmlElement.getAttribute('at1') == 'true');
-    var isAt2 = (xmlElement.getAttribute('at2') == 'true');
-    this.updateAt_(1, isAt1);
-    this.updateAt_(2, isAt2);
-  },
-  /**
-   * Create or delete an input for a numeric index.
-   * This block has two such inputs, independent of each other.
-   * @param {number} n Specify first or second input (1 or 2).
-   * @param {boolean} isAt True if the input should exist.
-   * @private
-   * @this {Blockly.Block}
-   */
-  updateAt_: function(n, isAt) {
-    // Create or delete an input for the numeric index.
-    // Destroy old 'AT' and 'ORDINAL' inputs.
-    this.removeInput('AT' + n);
-    this.removeInput('ORDINAL' + n, true);
-    // Create either a value 'AT' input or a dummy input.
-    if (isAt) {
-      this.appendValueInput('AT' + n).setCheck('Number');
-      if (Blockly.Msg['ORDINAL_NUMBER_SUFFIX']) {
-        this.appendDummyInput('ORDINAL' + n)
-            .appendField(Blockly.Msg['ORDINAL_NUMBER_SUFFIX']);
-      }
-    } else {
-      this.appendDummyInput('AT' + n);
-    }
-    // Move tail, if present, to end of block.
-    if (n == 2 && Blockly.Msg['TEXT_GET_SUBSTRING_TAIL']) {
-      this.removeInput('TAIL', true);
-      this.appendDummyInput('TAIL')
-          .appendField(Blockly.Msg['TEXT_GET_SUBSTRING_TAIL']);
-    }
-    var menu = new Blockly.FieldDropdown(this['WHERE_OPTIONS_' + n],
-        function(value) {
-          var newAt = (value == 'FROM_START') || (value == 'FROM_END');
-          // The 'isAt' variable is available due to this function being a
-          // closure.
-          if (newAt != isAt) {
-            var block = this.getSourceBlock();
-            block.updateAt_(n, newAt);
-            // This menu has been destroyed and replaced.
-            // Update the replacement.
-            block.setFieldValue(value, 'WHERE' + n);
-            return null;
-          }
-          return undefined;
-        });
-
-    this.getInput('AT' + n)
-        .appendField(menu, 'WHERE' + n);
-    if (n == 1) {
-      this.moveInputBefore('AT1', 'AT2');
-      if (this.getInput('ORDINAL1')) {
-        this.moveInputBefore('ORDINAL1', 'AT2');
-      }
-    }
-  }
-};
-
-Blockly.Blocks['text_changeCase'] = {
-  /**
-   * Block for changing capitalization.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    var OPERATORS = [
-      [Blockly.Msg['TEXT_CHANGECASE_OPERATOR_UPPERCASE'], 'UPPERCASE'],
-      [Blockly.Msg['TEXT_CHANGECASE_OPERATOR_LOWERCASE'], 'LOWERCASE'],
-      [Blockly.Msg['TEXT_CHANGECASE_OPERATOR_TITLECASE'], 'TITLECASE']
-    ];
-    this.setHelpUrl(Blockly.Msg['TEXT_CHANGECASE_HELPURL']);
-    this.setStyle('text_blocks');
-    this.appendValueInput('TEXT')
-        .setCheck('String')
-        .appendField(new Blockly.FieldDropdown(OPERATORS), 'CASE');
-    this.setOutput(true, 'String');
-    this.setTooltip(Blockly.Msg['TEXT_CHANGECASE_TOOLTIP']);
-  }
-};
-
-Blockly.Blocks['text_trim'] = {
-  /**
-   * Block for trimming spaces.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    var OPERATORS = [
-      [Blockly.Msg['TEXT_TRIM_OPERATOR_BOTH'], 'BOTH'],
-      [Blockly.Msg['TEXT_TRIM_OPERATOR_LEFT'], 'LEFT'],
-      [Blockly.Msg['TEXT_TRIM_OPERATOR_RIGHT'], 'RIGHT']
-    ];
-    this.setHelpUrl(Blockly.Msg['TEXT_TRIM_HELPURL']);
-    this.setStyle('text_blocks');
-    this.appendValueInput('TEXT')
-        .setCheck('String')
-        .appendField(new Blockly.FieldDropdown(OPERATORS), 'MODE');
-    this.setOutput(true, 'String');
-    this.setTooltip(Blockly.Msg['TEXT_TRIM_TOOLTIP']);
-  }
-};
-
-Blockly.Blocks['text_print'] = {
-  /**
-   * Block for print statement.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    this.jsonInit({
-      "message0": Blockly.Msg['TEXT_PRINT_TITLE'],
-      "args0": [
-        {
-          "type": "input_value",
-          "name": "TEXT"
-        }
-      ],
-      "previousStatement": null,
-      "nextStatement": null,
-      "style": "text_blocks",
-      "tooltip": Blockly.Msg['TEXT_PRINT_TOOLTIP'],
-      "helpUrl": Blockly.Msg['TEXT_PRINT_HELPURL']
-    });
-  }
-};
-
-Blockly.Blocks['text_prompt_ext'] = {
-  /**
-   * Block for prompt function (external message).
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    var TYPES = [
-      [Blockly.Msg['TEXT_PROMPT_TYPE_TEXT'], 'TEXT'],
-      [Blockly.Msg['TEXT_PROMPT_TYPE_NUMBER'], 'NUMBER']
-    ];
-    this.setHelpUrl(Blockly.Msg['TEXT_PROMPT_HELPURL']);
-    this.setStyle('text_blocks');
-    // Assign 'this' to a variable for use in the closures below.
-    var thisBlock = this;
-    var dropdown = new Blockly.FieldDropdown(TYPES, function(newOp) {
-      thisBlock.updateType_(newOp);
-    });
-    this.appendValueInput('TEXT')
-        .appendField(dropdown, 'TYPE');
-    this.setOutput(true, 'String');
-    this.setTooltip(function() {
-      return (thisBlock.getFieldValue('TYPE') == 'TEXT') ?
-          Blockly.Msg['TEXT_PROMPT_TOOLTIP_TEXT'] :
-          Blockly.Msg['TEXT_PROMPT_TOOLTIP_NUMBER'];
-    });
-  },
-  /**
-   * Modify this block to have the correct output type.
-   * @param {string} newOp Either 'TEXT' or 'NUMBER'.
-   * @private
-   * @this {Blockly.Block}
-   */
-  updateType_: function(newOp) {
-    this.outputConnection.setCheck(newOp == 'NUMBER' ? 'Number' : 'String');
-  },
-  /**
-   * Create XML to represent the output type.
-   * @return {!Element} XML storage element.
-   * @this {Blockly.Block}
-   */
-  mutationToDom: function() {
-    var container = Blockly.utils.xml.createElement('mutation');
-    container.setAttribute('type', this.getFieldValue('TYPE'));
-    return container;
-  },
-  /**
-   * Parse XML to restore the output type.
-   * @param {!Element} xmlElement XML storage element.
-   * @this {Blockly.Block}
-   */
-  domToMutation: function(xmlElement) {
-    this.updateType_(xmlElement.getAttribute('type'));
-  }
-};
-
-Blockly.Blocks['text_prompt'] = {
-  /**
-   * Block for prompt function (internal message).
-   * The 'text_prompt_ext' block is preferred as it is more flexible.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    this.mixin(Blockly.Constants.Text.QUOTE_IMAGE_MIXIN);
-    var TYPES = [
-      [Blockly.Msg['TEXT_PROMPT_TYPE_TEXT'], 'TEXT'],
-      [Blockly.Msg['TEXT_PROMPT_TYPE_NUMBER'], 'NUMBER']
-    ];
-
-    // Assign 'this' to a variable for use in the closures below.
-    var thisBlock = this;
-    this.setHelpUrl(Blockly.Msg['TEXT_PROMPT_HELPURL']);
-    this.setStyle('text_blocks');
-    var dropdown = new Blockly.FieldDropdown(TYPES, function(newOp) {
-      thisBlock.updateType_(newOp);
-    });
-    this.appendDummyInput()
-        .appendField(dropdown, 'TYPE')
-        .appendField(this.newQuote_(true))
-        .appendField(new Blockly.FieldTextInput(''), 'TEXT')
-        .appendField(this.newQuote_(false));
-    this.setOutput(true, 'String');
-    this.setTooltip(function() {
-      return (thisBlock.getFieldValue('TYPE') == 'TEXT') ?
-          Blockly.Msg['TEXT_PROMPT_TOOLTIP_TEXT'] :
-          Blockly.Msg['TEXT_PROMPT_TOOLTIP_NUMBER'];
-    });
-  },
-  updateType_: Blockly.Blocks['text_prompt_ext'].updateType_,
-  mutationToDom: Blockly.Blocks['text_prompt_ext'].mutationToDom,
-  domToMutation: Blockly.Blocks['text_prompt_ext'].domToMutation
-};
-
-Blockly.Blocks['text_count'] = {
-  /**
-   * Block for counting how many times one string appears within another string.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    this.jsonInit({
-      "message0": Blockly.Msg['TEXT_COUNT_MESSAGE0'],
-      "args0": [
-        {
-          "type": "input_value",
-          "name": "SUB",
-          "check": "String"
-        },
-        {
-          "type": "input_value",
-          "name": "TEXT",
-          "check": "String"
-        }
-      ],
-      "output": "Number",
-      "inputsInline": true,
-      "style": "text_blocks",
-      "tooltip": Blockly.Msg['TEXT_COUNT_TOOLTIP'],
-      "helpUrl": Blockly.Msg['TEXT_COUNT_HELPURL']
-    });
-  }
-};
-
-Blockly.Blocks['text_replace'] = {
-  /**
-   * Block for replacing one string with another in the text.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    this.jsonInit({
-      "message0": Blockly.Msg['TEXT_REPLACE_MESSAGE0'],
-      "args0": [
-        {
-          "type": "input_value",
-          "name": "FROM",
-          "check": "String"
-        },
-        {
-          "type": "input_value",
-          "name": "TO",
-          "check": "String"
-        },
-        {
-          "type": "input_value",
-          "name": "TEXT",
-          "check": "String"
-        }
-      ],
-      "output": "String",
-      "inputsInline": true,
-      "style": "text_blocks",
-      "tooltip": Blockly.Msg['TEXT_REPLACE_TOOLTIP'],
-      "helpUrl": Blockly.Msg['TEXT_REPLACE_HELPURL']
-    });
-  }
-};
-
-Blockly.Blocks['text_reverse'] = {
-  /**
-   * Block for reversing a string.
-   * @this {Blockly.Block}
-   */
-  init: function() {
-    this.jsonInit({
-      "message0": Blockly.Msg['TEXT_REVERSE_MESSAGE0'],
-      "args0": [
-        {
-          "type": "input_value",
-          "name": "TEXT",
-          "check": "String"
-        }
-      ],
-      "output": "String",
-      "inputsInline": true,
-      "style": "text_blocks",
-      "tooltip": Blockly.Msg['TEXT_REVERSE_TOOLTIP'],
-      "helpUrl": Blockly.Msg['TEXT_REVERSE_HELPURL']
-    });
-  }
-};
-
-/**
- *
- * @mixin
- * @package
- * @readonly
- */
-Blockly.Constants.Text.QUOTE_IMAGE_MIXIN = {
-  /**
-   * Image data URI of an LTR opening double quote (same as RTL closing double quote).
-   * @readonly
-   */
-  QUOTE_IMAGE_LEFT_DATAURI:
-    'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAKCAQAAAAqJXdxAAAA' +
-    'n0lEQVQI1z3OMa5BURSF4f/cQhAKjUQhuQmFNwGJEUi0RKN5rU7FHKhpjEH3TEMtkdBSCY' +
-    '1EIv8r7nFX9e29V7EBAOvu7RPjwmWGH/VuF8CyN9/OAdvqIXYLvtRaNjx9mMTDyo+NjAN1' +
-    'HNcl9ZQ5oQMM3dgDUqDo1l8DzvwmtZN7mnD+PkmLa+4mhrxVA9fRowBWmVBhFy5gYEjKMf' +
-    'z9AylsaRRgGzvZAAAAAElFTkSuQmCC',
-  /**
-   * Image data URI of an LTR closing double quote (same as RTL opening double quote).
-   * @readonly
-   */
-  QUOTE_IMAGE_RIGHT_DATAURI:
-    'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAKCAQAAAAqJXdxAAAA' +
-    'qUlEQVQI1z3KvUpCcRiA8ef9E4JNHhI0aFEacm1o0BsI0Slx8wa8gLauoDnoBhq7DcfWhg' +
-    'gONDmJJgqCPA7neJ7p934EOOKOnM8Q7PDElo/4x4lFb2DmuUjcUzS3URnGib9qaPNbuXvB' +
-    'O3sGPHJDRG6fGVdMSeWDP2q99FQdFrz26Gu5Tq7dFMzUvbXy8KXeAj57cOklgA+u1B5Aos' +
-    'lLtGIHQMaCVnwDnADZIFIrXsoXrgAAAABJRU5ErkJggg==',
-  /**
-   * Pixel width of QUOTE_IMAGE_LEFT_DATAURI and QUOTE_IMAGE_RIGHT_DATAURI.
-   * @readonly
-   */
-  QUOTE_IMAGE_WIDTH: 12,
-  /**
-   * Pixel height of QUOTE_IMAGE_LEFT_DATAURI and QUOTE_IMAGE_RIGHT_DATAURI.
-   * @readonly
-   */
-  QUOTE_IMAGE_HEIGHT: 12,
-
-  /**
-   * Inserts appropriate quote images before and after the named field.
-   * @param {string} fieldName The name of the field to wrap with quotes.
-   * @this {Blockly.Block}
-   */
-  quoteField_: function(fieldName) {
-    for (var i = 0, input; (input = this.inputList[i]); i++) {
-      for (var j = 0, field; (field = input.fieldRow[j]); j++) {
-        if (fieldName == field.name) {
-          input.insertFieldAt(j, this.newQuote_(true));
-          input.insertFieldAt(j + 2, this.newQuote_(false));
-          return;
-        }
-      }
-    }
-    console.warn('field named "' + fieldName + '" not found in ' + this.toDevString());
-  },
-
-  /**
-   * A helper function that generates a FieldImage of an opening or
-   * closing double quote. The selected quote will be adapted for RTL blocks.
-   * @param {boolean} open If the image should be open quote (“ in LTR).
-   *                       Otherwise, a closing quote is used (” in LTR).
-   * @return {!Blockly.FieldImage} The new field.
-   * @this {Blockly.Block}
-   */
-  newQuote_: function(open) {
-    var isLeft = this.RTL ? !open : open;
-    var dataUri = isLeft ?
-      this.QUOTE_IMAGE_LEFT_DATAURI :
-      this.QUOTE_IMAGE_RIGHT_DATAURI;
-    return new Blockly.FieldImage(
-        dataUri,
-        this.QUOTE_IMAGE_WIDTH,
-        this.QUOTE_IMAGE_HEIGHT,
-        isLeft ? '\u201C' : '\u201D');
-  }
-};
-
-/**
- * Wraps TEXT field with images of double quote characters.
- * @this {Blockly.Block}
- */
-Blockly.Constants.Text.TEXT_QUOTES_EXTENSION = function() {
-  this.mixin(Blockly.Constants.Text.QUOTE_IMAGE_MIXIN);
-  this.quoteField_('TEXT');
-};
-
-/**
- * Mixin for mutator functions in the 'text_join_mutator' extension.
- * @mixin
- * @augments Blockly.Block
- * @package
- */
-Blockly.Constants.Text.TEXT_JOIN_MUTATOR_MIXIN = {
-  /**
-   * Create XML to represent number of text inputs.
-   * @return {!Element} XML storage element.
-   * @this {Blockly.Block}
-   */
-  mutationToDom: function() {
-    var container = Blockly.utils.xml.createElement('mutation');
-    container.setAttribute('items', this.itemCount_);
-    return container;
-  },
-  /**
-   * Parse XML to restore the text inputs.
-   * @param {!Element} xmlElement XML storage element.
-   * @this {Blockly.Block}
-   */
-  domToMutation: function(xmlElement) {
-    this.itemCount_ = parseInt(xmlElement.getAttribute('items'), 10);
-    this.updateShape_();
-  },
-  /**
-   * Populate the mutator's dialog with this block's components.
-   * @param {!Blockly.Workspace} workspace Mutator's workspace.
-   * @return {!Blockly.Block} Root block in mutator.
-   * @this {Blockly.Block}
-   */
-  decompose: function(workspace) {
-    var containerBlock = workspace.newBlock('text_create_join_container');
-    containerBlock.initSvg();
-    var connection = containerBlock.getInput('STACK').connection;
-    for (var i = 0; i < this.itemCount_; i++) {
-      var itemBlock = workspace.newBlock('text_create_join_item');
-      itemBlock.initSvg();
-      connection.connect(itemBlock.previousConnection);
-      connection = itemBlock.nextConnection;
-    }
-    return containerBlock;
-  },
-  /**
-   * Reconfigure this block based on the mutator dialog's components.
-   * @param {!Blockly.Block} containerBlock Root block in mutator.
-   * @this {Blockly.Block}
-   */
-  compose: function(containerBlock) {
-    var itemBlock = containerBlock.getInputTargetBlock('STACK');
-    // Count number of inputs.
-    var connections = [];
-    while (itemBlock) {
-      connections.push(itemBlock.valueConnection_);
-      itemBlock = itemBlock.nextConnection &&
-          itemBlock.nextConnection.targetBlock();
-    }
-    // Disconnect any children that don't belong.
-    for (var i = 0; i < this.itemCount_; i++) {
-      var connection = this.getInput('ADD' + i).connection.targetConnection;
-      if (connection && connections.indexOf(connection) == -1) {
-        connection.disconnect();
-      }
-    }
-    this.itemCount_ = connections.length;
-    this.updateShape_();
-    // Reconnect any child blocks.
-    for (var i = 0; i < this.itemCount_; i++) {
-      Blockly.Mutator.reconnect(connections[i], this, 'ADD' + i);
-    }
-  },
-  /**
-   * Store pointers to any connected child blocks.
-   * @param {!Blockly.Block} containerBlock Root block in mutator.
-   * @this {Blockly.Block}
-   */
-  saveConnections: function(containerBlock) {
-    var itemBlock = containerBlock.getInputTargetBlock('STACK');
-    var i = 0;
-    while (itemBlock) {
-      var input = this.getInput('ADD' + i);
-      itemBlock.valueConnection_ = input && input.connection.targetConnection;
-      i++;
-      itemBlock = itemBlock.nextConnection &&
-          itemBlock.nextConnection.targetBlock();
-    }
-  },
-  /**
-   * Modify this block to have the correct number of inputs.
-   * @private
-   * @this {Blockly.Block}
-   */
-  updateShape_: function() {
-    if (this.itemCount_ && this.getInput('EMPTY')) {
-      this.removeInput('EMPTY');
-    } else if (!this.itemCount_ && !this.getInput('EMPTY')) {
-      this.appendDummyInput('EMPTY')
-          .appendField(this.newQuote_(true))
-          .appendField(this.newQuote_(false));
-    }
-    // Add new inputs.
-    for (var i = 0; i < this.itemCount_; i++) {
-      if (!this.getInput('ADD' + i)) {
-        var input = this.appendValueInput('ADD' + i)
-            .setAlign(Blockly.ALIGN_RIGHT);
-        if (i == 0) {
-          input.appendField(Blockly.Msg['TEXT_JOIN_TITLE_CREATEWITH']);
-        }
-      }
-    }
-    // Remove deleted inputs.
-    while (this.getInput('ADD' + i)) {
-      this.removeInput('ADD' + i);
-      i++;
-    }
-  }
-};
-
-/**
- * Performs final setup of a text_join block.
- * @this {Blockly.Block}
- */
-Blockly.Constants.Text.TEXT_JOIN_EXTENSION = function() {
-  // Add the quote mixin for the itemCount_ = 0 case.
-  this.mixin(Blockly.Constants.Text.QUOTE_IMAGE_MIXIN);
-  // Initialize the mutator values.
-  this.itemCount_ = 2;
-  this.updateShape_();
-  // Configure the mutator UI.
-  this.setMutator(new Blockly.Mutator(['text_create_join_item']));
-};
-
-// Update the tooltip of 'text_append' block to reference the variable.
-Blockly.Extensions.register('text_append_tooltip',
-    Blockly.Extensions.buildTooltipWithFieldText(
-        '%{BKY_TEXT_APPEND_TOOLTIP}', 'VAR'));
-
-/**
- * Update the tooltip of 'text_append' block to reference the variable.
- * @this {Blockly.Block}
- */
-Blockly.Constants.Text.TEXT_INDEXOF_TOOLTIP_EXTENSION = function() {
-  // Assign 'this' to a variable for use in the tooltip closure below.
-  var thisBlock = this;
-  this.setTooltip(function() {
-    return Blockly.Msg['TEXT_INDEXOF_TOOLTIP'].replace('%1',
-        thisBlock.workspace.options.oneBasedIndex ? '0' : '-1');
-  });
-};
-
-/**
- * Mixin for mutator functions in the 'text_charAt_mutator' extension.
- * @mixin
- * @augments Blockly.Block
- * @package
- */
-Blockly.Constants.Text.TEXT_CHARAT_MUTATOR_MIXIN = {
-  /**
-   * Create XML to represent whether there is an 'AT' input.
-   * @return {!Element} XML storage element.
-   * @this {Blockly.Block}
-   */
-  mutationToDom: function() {
-    var container = Blockly.utils.xml.createElement('mutation');
-    container.setAttribute('at', !!this.isAt_);
-    return container;
-  },
-  /**
-   * Parse XML to restore the 'AT' input.
-   * @param {!Element} xmlElement XML storage element.
-   * @this {Blockly.Block}
-   */
-  domToMutation: function(xmlElement) {
-    // Note: Until January 2013 this block did not have mutations,
-    // so 'at' defaults to true.
-    var isAt = (xmlElement.getAttribute('at') != 'false');
-    this.updateAt_(isAt);
-  },
-  /**
-   * Create or delete an input for the numeric index.
-   * @param {boolean} isAt True if the input should exist.
-   * @private
-   * @this {Blockly.Block}
-   */
-  updateAt_: function(isAt) {
-    // Destroy old 'AT' and 'ORDINAL' inputs.
-    this.removeInput('AT', true);
-    this.removeInput('ORDINAL', true);
-    // Create either a value 'AT' input or a dummy input.
-    if (isAt) {
-      this.appendValueInput('AT').setCheck('Number');
-      if (Blockly.Msg['ORDINAL_NUMBER_SUFFIX']) {
-        this.appendDummyInput('ORDINAL')
-            .appendField(Blockly.Msg['ORDINAL_NUMBER_SUFFIX']);
-      }
-    }
-    if (Blockly.Msg['TEXT_CHARAT_TAIL']) {
-      this.removeInput('TAIL', true);
-      this.appendDummyInput('TAIL')
-          .appendField(Blockly.Msg['TEXT_CHARAT_TAIL']);
-    }
-
-    this.isAt_ = isAt;
-  }
-};
-
-/**
- * Does the initial mutator update of text_charAt and adds the tooltip
- * @this {Blockly.Block}
- */
-Blockly.Constants.Text.TEXT_CHARAT_EXTENSION = function() {
-  var dropdown = this.getField('WHERE');
-  dropdown.setValidator(function(value) {
-    var newAt = (value == 'FROM_START') || (value == 'FROM_END');
-    if (newAt != this.isAt_) {
-      var block = this.getSourceBlock();
-      block.updateAt_(newAt);
-    }
-  });
-  this.updateAt_(true);
-  // Assign 'this' to a variable for use in the tooltip closure below.
-  var thisBlock = this;
-  this.setTooltip(function() {
-    var where = thisBlock.getFieldValue('WHERE');
-    var tooltip = Blockly.Msg['TEXT_CHARAT_TOOLTIP'];
-    if (where == 'FROM_START' || where == 'FROM_END') {
-      var msg = (where == 'FROM_START') ?
-          Blockly.Msg['LISTS_INDEX_FROM_START_TOOLTIP'] :
-          Blockly.Msg['LISTS_INDEX_FROM_END_TOOLTIP'];
-      if (msg) {
-        tooltip += '  ' + msg.replace('%1',
-            thisBlock.workspace.options.oneBasedIndex ? '#1' : '#0');
-      }
-    }
-    return tooltip;
-  });
-};
-
-Blockly.Extensions.register('text_indexOf_tooltip',
-    Blockly.Constants.Text.TEXT_INDEXOF_TOOLTIP_EXTENSION);
-
-Blockly.Extensions.register('text_quotes',
-    Blockly.Constants.Text.TEXT_QUOTES_EXTENSION);
-
-Blockly.Extensions.registerMutator('text_join_mutator',
-    Blockly.Constants.Text.TEXT_JOIN_MUTATOR_MIXIN,
-    Blockly.Constants.Text.TEXT_JOIN_EXTENSION);
-
-Blockly.Extensions.registerMutator('text_charAt_mutator',
-    Blockly.Constants.Text.TEXT_CHARAT_MUTATOR_MIXIN,
-    Blockly.Constants.Text.TEXT_CHARAT_EXTENSION);
diff --git a/blocks/text.ts b/blocks/text.ts
new file mode 100644
index 00000000000..91a27005a92
--- /dev/null
+++ b/blocks/text.ts
@@ -0,0 +1,1007 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.libraryBlocks.texts
+
+import * as Extensions from '../core/extensions.js';
+import * as fieldRegistry from '../core/field_registry.js';
+import * as xmlUtils from '../core/utils/xml.js';
+import {Align} from '../core/inputs/align.js';
+import type {Block} from '../core/block.js';
+import type {BlockSvg} from '../core/block_svg.js';
+import {Connection} from '../core/connection.js';
+import {FieldImage} from '../core/field_image.js';
+import {FieldDropdown} from '../core/field_dropdown.js';
+import {FieldTextInput} from '../core/field_textinput.js';
+import {Msg} from '../core/msg.js';
+import {MutatorIcon} from '../core/icons/mutator_icon.js';
+import type {Workspace} from '../core/workspace.js';
+import {
+  createBlockDefinitionsFromJsonArray,
+  defineBlocks,
+} from '../core/common.js';
+import '../core/field_variable.js';
+import {ValueInput} from '../core/inputs/value_input.js';
+
+/**
+ * A dictionary of the block definitions provided by this module.
+ */
+export const blocks = createBlockDefinitionsFromJsonArray([
+  // Block for text value
+  {
+    'type': 'text',
+    'message0': '%1',
+    'args0': [
+      {
+        'type': 'field_input',
+        'name': 'TEXT',
+        'text': '',
+      },
+    ],
+    'output': 'String',
+    'style': 'text_blocks',
+    'helpUrl': '%{BKY_TEXT_TEXT_HELPURL}',
+    'tooltip': '%{BKY_TEXT_TEXT_TOOLTIP}',
+    'extensions': ['text_quotes', 'parent_tooltip_when_inline'],
+  },
+  {
+    'type': 'text_join',
+    'message0': '',
+    'output': 'String',
+    'style': 'text_blocks',
+    'helpUrl': '%{BKY_TEXT_JOIN_HELPURL}',
+    'tooltip': '%{BKY_TEXT_JOIN_TOOLTIP}',
+    'mutator': 'text_join_mutator',
+  },
+  {
+    'type': 'text_create_join_container',
+    'message0': '%{BKY_TEXT_CREATE_JOIN_TITLE_JOIN} %1 %2',
+    'args0': [
+      {
+        'type': 'input_dummy',
+      },
+      {
+        'type': 'input_statement',
+        'name': 'STACK',
+      },
+    ],
+    'style': 'text_blocks',
+    'tooltip': '%{BKY_TEXT_CREATE_JOIN_TOOLTIP}',
+    'enableContextMenu': false,
+  },
+  {
+    'type': 'text_create_join_item',
+    'message0': '%{BKY_TEXT_CREATE_JOIN_ITEM_TITLE_ITEM}',
+    'previousStatement': null,
+    'nextStatement': null,
+    'style': 'text_blocks',
+    'tooltip': '%{BKY_TEXT_CREATE_JOIN_ITEM_TOOLTIP}',
+    'enableContextMenu': false,
+  },
+  {
+    'type': 'text_append',
+    'message0': '%{BKY_TEXT_APPEND_TITLE}',
+    'args0': [
+      {
+        'type': 'field_variable',
+        'name': 'VAR',
+        'variable': '%{BKY_TEXT_APPEND_VARIABLE}',
+      },
+      {
+        'type': 'input_value',
+        'name': 'TEXT',
+      },
+    ],
+    'previousStatement': null,
+    'nextStatement': null,
+    'style': 'text_blocks',
+    'extensions': ['text_append_tooltip'],
+  },
+  {
+    'type': 'text_length',
+    'message0': '%{BKY_TEXT_LENGTH_TITLE}',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'VALUE',
+        'check': ['String', 'Array'],
+      },
+    ],
+    'output': 'Number',
+    'style': 'text_blocks',
+    'tooltip': '%{BKY_TEXT_LENGTH_TOOLTIP}',
+    'helpUrl': '%{BKY_TEXT_LENGTH_HELPURL}',
+  },
+  {
+    'type': 'text_isEmpty',
+    'message0': '%{BKY_TEXT_ISEMPTY_TITLE}',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'VALUE',
+        'check': ['String', 'Array'],
+      },
+    ],
+    'output': 'Boolean',
+    'style': 'text_blocks',
+    'tooltip': '%{BKY_TEXT_ISEMPTY_TOOLTIP}',
+    'helpUrl': '%{BKY_TEXT_ISEMPTY_HELPURL}',
+  },
+  {
+    'type': 'text_indexOf',
+    'message0': '%{BKY_TEXT_INDEXOF_TITLE}',
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'VALUE',
+        'check': 'String',
+      },
+      {
+        'type': 'field_dropdown',
+        'name': 'END',
+        'options': [
+          ['%{BKY_TEXT_INDEXOF_OPERATOR_FIRST}', 'FIRST'],
+          ['%{BKY_TEXT_INDEXOF_OPERATOR_LAST}', 'LAST'],
+        ],
+      },
+      {
+        'type': 'input_value',
+        'name': 'FIND',
+        'check': 'String',
+      },
+    ],
+    'output': 'Number',
+    'style': 'text_blocks',
+    'helpUrl': '%{BKY_TEXT_INDEXOF_HELPURL}',
+    'inputsInline': true,
+    'extensions': ['text_indexOf_tooltip'],
+  },
+  {
+    'type': 'text_charAt',
+    'message0': '%{BKY_TEXT_CHARAT_TITLE}', // "in text %1 %2"
+    'args0': [
+      {
+        'type': 'input_value',
+        'name': 'VALUE',
+        'check': 'String',
+      },
+      {
+        'type': 'field_dropdown',
+        'name': 'WHERE',
+        'options': [
+          ['%{BKY_TEXT_CHARAT_FROM_START}', 'FROM_START'],
+          ['%{BKY_TEXT_CHARAT_FROM_END}', 'FROM_END'],
+          ['%{BKY_TEXT_CHARAT_FIRST}', 'FIRST'],
+          ['%{BKY_TEXT_CHARAT_LAST}', 'LAST'],
+          ['%{BKY_TEXT_CHARAT_RANDOM}', 'RANDOM'],
+        ],
+      },
+    ],
+    'output': 'String',
+    'style': 'text_blocks',
+    'helpUrl': '%{BKY_TEXT_CHARAT_HELPURL}',
+    'inputsInline': true,
+    'mutator': 'text_charAt_mutator',
+  },
+]);
+
+/** Type of a 'text_get_substring' block. */
+type GetSubstringBlock = Block & GetSubstringMixin;
+interface GetSubstringMixin extends GetSubstringType {
+  WHERE_OPTIONS_1: Array<[string, string]>;
+  WHERE_OPTIONS_2: Array<[string, string]>;
+}
+type GetSubstringType = typeof GET_SUBSTRING_BLOCK;
+
+const GET_SUBSTRING_BLOCK = {
+  /**
+   * Block for getting substring.
+   */
+  init: function (this: GetSubstringBlock) {
+    this['WHERE_OPTIONS_1'] = [
+      [Msg['TEXT_GET_SUBSTRING_START_FROM_START'], 'FROM_START'],
+      [Msg['TEXT_GET_SUBSTRING_START_FROM_END'], 'FROM_END'],
+      [Msg['TEXT_GET_SUBSTRING_START_FIRST'], 'FIRST'],
+    ];
+    this['WHERE_OPTIONS_2'] = [
+      [Msg['TEXT_GET_SUBSTRING_END_FROM_START'], 'FROM_START'],
+      [Msg['TEXT_GET_SUBSTRING_END_FROM_END'], 'FROM_END'],
+      [Msg['TEXT_GET_SUBSTRING_END_LAST'], 'LAST'],
+    ];
+    this.setHelpUrl(Msg['TEXT_GET_SUBSTRING_HELPURL']);
+    this.setStyle('text_blocks');
+    this.appendValueInput('STRING')
+      .setCheck('String')
+      .appendField(Msg['TEXT_GET_SUBSTRING_INPUT_IN_TEXT']);
+    this.appendDummyInput('AT1');
+    this.appendDummyInput('AT2');
+    if (Msg['TEXT_GET_SUBSTRING_TAIL']) {
+      this.appendDummyInput('TAIL').appendField(Msg['TEXT_GET_SUBSTRING_TAIL']);
+    }
+    this.setInputsInline(true);
+    this.setOutput(true, 'String');
+    this.updateAt_(1, true);
+    this.updateAt_(2, true);
+    this.setTooltip(Msg['TEXT_GET_SUBSTRING_TOOLTIP']);
+  },
+  /**
+   * Create XML to represent whether there are 'AT' inputs.
+   * Backwards compatible serialization implementation.
+   *
+   * @returns XML storage element.
+   */
+  mutationToDom: function (this: GetSubstringBlock): Element {
+    const container = xmlUtils.createElement('mutation');
+    const isAt1 = this.getInput('AT1') instanceof ValueInput;
+    container.setAttribute('at1', `${isAt1}`);
+    const isAt2 = this.getInput('AT2') instanceof ValueInput;
+    container.setAttribute('at2', `${isAt2}`);
+    return container;
+  },
+  /**
+   * Parse XML to restore the 'AT' inputs.
+   * Backwards compatible serialization implementation.
+   *
+   * @param xmlElement XML storage element.
+   */
+  domToMutation: function (this: GetSubstringBlock, xmlElement: Element) {
+    const isAt1 = xmlElement.getAttribute('at1') === 'true';
+    const isAt2 = xmlElement.getAttribute('at2') === 'true';
+    this.updateAt_(1, isAt1);
+    this.updateAt_(2, isAt2);
+  },
+
+  // This block does not need JSO serialization hooks (saveExtraState and
+  // loadExtraState) because the state of this object is already encoded in the
+  // dropdown values.
+  // XML hooks are kept for backwards compatibility.
+
+  /**
+   * Create or delete an input for a numeric index.
+   * This block has two such inputs, independent of each other.
+   *
+   * @internal
+   * @param n Which input to modify (either 1 or 2).
+   * @param isAt True if the input includes a value connection, false otherwise.
+   */
+  updateAt_: function (this: GetSubstringBlock, n: 1 | 2, isAt: boolean) {
+    // Create or delete an input for the numeric index.
+    // Destroy old 'AT' and 'ORDINAL' inputs.
+    this.removeInput('AT' + n);
+    this.removeInput('ORDINAL' + n, true);
+    // Create either a value 'AT' input or a dummy input.
+    if (isAt) {
+      this.appendValueInput('AT' + n).setCheck('Number');
+      if (Msg['ORDINAL_NUMBER_SUFFIX']) {
+        this.appendDummyInput('ORDINAL' + n).appendField(
+          Msg['ORDINAL_NUMBER_SUFFIX'],
+        );
+      }
+    } else {
+      this.appendDummyInput('AT' + n);
+    }
+    // Move tail, if present, to end of block.
+    if (n === 2 && Msg['TEXT_GET_SUBSTRING_TAIL']) {
+      this.removeInput('TAIL', true);
+      this.appendDummyInput('TAIL').appendField(Msg['TEXT_GET_SUBSTRING_TAIL']);
+    }
+    const menu = fieldRegistry.fromJson({
+      type: 'field_dropdown',
+      options:
+        this[('WHERE_OPTIONS_' + n) as 'WHERE_OPTIONS_1' | 'WHERE_OPTIONS_2'],
+    }) as FieldDropdown;
+    menu.setValidator(
+      /**
+       * @param value The input value.
+       * @returns Null if the field has been replaced; otherwise undefined.
+       */
+      function (this: FieldDropdown, value: any): null | undefined {
+        const newAt = value === 'FROM_START' || value === 'FROM_END';
+        // The 'isAt' variable is available due to this function being a
+        // closure.
+        if (newAt !== isAt) {
+          const block = this.getSourceBlock() as GetSubstringBlock;
+          block.updateAt_(n, newAt);
+          // This menu has been destroyed and replaced.
+          // Update the replacement.
+          block.setFieldValue(value, 'WHERE' + n);
+          return null;
+        }
+        return undefined;
+      },
+    );
+
+    this.getInput('AT' + n)!.appendField(menu, 'WHERE' + n);
+    if (n === 1) {
+      this.moveInputBefore('AT1', 'AT2');
+      if (this.getInput('ORDINAL1')) {
+        this.moveInputBefore('ORDINAL1', 'AT2');
+      }
+    }
+  },
+};
+
+blocks['text_getSubstring'] = GET_SUBSTRING_BLOCK;
+
+blocks['text_changeCase'] = {
+  /**
+   * Block for changing capitalization.
+   */
+  init: function (this: Block) {
+    const OPERATORS = [
+      [Msg['TEXT_CHANGECASE_OPERATOR_UPPERCASE'], 'UPPERCASE'],
+      [Msg['TEXT_CHANGECASE_OPERATOR_LOWERCASE'], 'LOWERCASE'],
+      [Msg['TEXT_CHANGECASE_OPERATOR_TITLECASE'], 'TITLECASE'],
+    ];
+    this.setHelpUrl(Msg['TEXT_CHANGECASE_HELPURL']);
+    this.setStyle('text_blocks');
+    this.appendValueInput('TEXT')
+      .setCheck('String')
+      .appendField(
+        fieldRegistry.fromJson({
+          type: 'field_dropdown',
+          options: OPERATORS,
+        }) as FieldDropdown,
+        'CASE',
+      );
+    this.setOutput(true, 'String');
+    this.setTooltip(Msg['TEXT_CHANGECASE_TOOLTIP']);
+  },
+};
+
+blocks['text_trim'] = {
+  /**
+   * Block for trimming spaces.
+   */
+  init: function (this: Block) {
+    const OPERATORS = [
+      [Msg['TEXT_TRIM_OPERATOR_BOTH'], 'BOTH'],
+      [Msg['TEXT_TRIM_OPERATOR_LEFT'], 'LEFT'],
+      [Msg['TEXT_TRIM_OPERATOR_RIGHT'], 'RIGHT'],
+    ];
+    this.setHelpUrl(Msg['TEXT_TRIM_HELPURL']);
+    this.setStyle('text_blocks');
+    this.appendValueInput('TEXT')
+      .setCheck('String')
+      .appendField(
+        fieldRegistry.fromJson({
+          type: 'field_dropdown',
+          options: OPERATORS,
+        }) as FieldDropdown,
+        'MODE',
+      );
+    this.setOutput(true, 'String');
+    this.setTooltip(Msg['TEXT_TRIM_TOOLTIP']);
+  },
+};
+
+blocks['text_print'] = {
+  /**
+   * Block for print statement.
+   */
+  init: function (this: Block) {
+    this.jsonInit({
+      'message0': Msg['TEXT_PRINT_TITLE'],
+      'args0': [
+        {
+          'type': 'input_value',
+          'name': 'TEXT',
+        },
+      ],
+      'previousStatement': null,
+      'nextStatement': null,
+      'style': 'text_blocks',
+      'tooltip': Msg['TEXT_PRINT_TOOLTIP'],
+      'helpUrl': Msg['TEXT_PRINT_HELPURL'],
+    });
+  },
+};
+
+type PromptCommonBlock = Block & PromptCommonMixin;
+interface PromptCommonMixin extends PromptCommonType {}
+type PromptCommonType = typeof PROMPT_COMMON;
+
+/**
+ * Common properties for the text_prompt_ext and text_prompt blocks
+ * definitions.
+ */
+const PROMPT_COMMON = {
+  /**
+   * Modify this block to have the correct output type.
+   *
+   * @internal
+   * @param newOp The new output type. Should be either 'TEXT' or 'NUMBER'.
+   */
+  updateType_: function (this: PromptCommonBlock, newOp: string) {
+    this.outputConnection!.setCheck(newOp === 'NUMBER' ? 'Number' : 'String');
+  },
+  /**
+   * Create XML to represent the output type.
+   * Backwards compatible serialization implementation.
+   *
+   * @returns XML storage element.
+   */
+  mutationToDom: function (this: PromptCommonBlock): Element {
+    const container = xmlUtils.createElement('mutation');
+    container.setAttribute('type', this.getFieldValue('TYPE'));
+    return container;
+  },
+  /**
+   * Parse XML to restore the output type.
+   * Backwards compatible serialization implementation.
+   *
+   * @param xmlElement XML storage element.
+   */
+  domToMutation: function (this: PromptCommonBlock, xmlElement: Element) {
+    this.updateType_(xmlElement.getAttribute('type')!);
+  },
+};
+
+blocks['text_prompt_ext'] = {
+  ...PROMPT_COMMON,
+  /**
+   * Block for prompt function (external message).
+   */
+  init: function (this: PromptCommonBlock) {
+    const TYPES = [
+      [Msg['TEXT_PROMPT_TYPE_TEXT'], 'TEXT'],
+      [Msg['TEXT_PROMPT_TYPE_NUMBER'], 'NUMBER'],
+    ];
+    this.setHelpUrl(Msg['TEXT_PROMPT_HELPURL']);
+    this.setStyle('text_blocks');
+    const dropdown = fieldRegistry.fromJson({
+      type: 'field_dropdown',
+      options: TYPES,
+    }) as FieldDropdown;
+    dropdown.setValidator((newOp: string) => {
+      this.updateType_(newOp);
+      return undefined; // FieldValidators can't be void.  Use option as-is.
+    });
+    this.appendValueInput('TEXT').appendField(dropdown, 'TYPE');
+    this.setOutput(true, 'String');
+    this.setTooltip(() => {
+      return this.getFieldValue('TYPE') === 'TEXT'
+        ? Msg['TEXT_PROMPT_TOOLTIP_TEXT']
+        : Msg['TEXT_PROMPT_TOOLTIP_NUMBER'];
+    });
+  },
+
+  // This block does not need JSO serialization hooks (saveExtraState and
+  // loadExtraState) because the state of this object is already encoded in the
+  // dropdown values.
+  // XML hooks are kept for backwards compatibility.
+};
+
+type PromptBlock = Block & PromptCommonMixin & QuoteImageMixin;
+
+const TEXT_PROMPT_BLOCK = {
+  ...PROMPT_COMMON,
+  /**
+   * Block for prompt function (internal message).
+   * The 'text_prompt_ext' block is preferred as it is more flexible.
+   */
+  init: function (this: PromptBlock) {
+    this.mixin(QUOTE_IMAGE_MIXIN);
+    const TYPES = [
+      [Msg['TEXT_PROMPT_TYPE_TEXT'], 'TEXT'],
+      [Msg['TEXT_PROMPT_TYPE_NUMBER'], 'NUMBER'],
+    ];
+
+    this.setHelpUrl(Msg['TEXT_PROMPT_HELPURL']);
+    this.setStyle('text_blocks');
+    const dropdown = fieldRegistry.fromJson({
+      type: 'field_dropdown',
+      options: TYPES,
+    }) as FieldDropdown;
+    dropdown.setValidator((newOp: string) => {
+      this.updateType_(newOp);
+      return undefined; // FieldValidators can't be void.  Use option as-is.
+    });
+    this.appendDummyInput()
+      .appendField(dropdown, 'TYPE')
+      .appendField(this.newQuote_(true))
+      .appendField(
+        fieldRegistry.fromJson({
+          type: 'field_input',
+          text: '',
+        }) as FieldTextInput,
+        'TEXT',
+      )
+      .appendField(this.newQuote_(false));
+    this.setOutput(true, 'String');
+    this.setTooltip(() => {
+      return this.getFieldValue('TYPE') === 'TEXT'
+        ? Msg['TEXT_PROMPT_TOOLTIP_TEXT']
+        : Msg['TEXT_PROMPT_TOOLTIP_NUMBER'];
+    });
+  },
+};
+
+blocks['text_prompt'] = TEXT_PROMPT_BLOCK;
+
+blocks['text_count'] = {
+  /**
+   * Block for counting how many times one string appears within another string.
+   */
+  init: function (this: Block) {
+    this.jsonInit({
+      'message0': Msg['TEXT_COUNT_MESSAGE0'],
+      'args0': [
+        {
+          'type': 'input_value',
+          'name': 'SUB',
+          'check': 'String',
+        },
+        {
+          'type': 'input_value',
+          'name': 'TEXT',
+          'check': 'String',
+        },
+      ],
+      'output': 'Number',
+      'inputsInline': true,
+      'style': 'text_blocks',
+      'tooltip': Msg['TEXT_COUNT_TOOLTIP'],
+      'helpUrl': Msg['TEXT_COUNT_HELPURL'],
+    });
+  },
+};
+
+blocks['text_replace'] = {
+  /**
+   * Block for replacing one string with another in the text.
+   */
+  init: function (this: Block) {
+    this.jsonInit({
+      'message0': Msg['TEXT_REPLACE_MESSAGE0'],
+      'args0': [
+        {
+          'type': 'input_value',
+          'name': 'FROM',
+          'check': 'String',
+        },
+        {
+          'type': 'input_value',
+          'name': 'TO',
+          'check': 'String',
+        },
+        {
+          'type': 'input_value',
+          'name': 'TEXT',
+          'check': 'String',
+        },
+      ],
+      'output': 'String',
+      'inputsInline': true,
+      'style': 'text_blocks',
+      'tooltip': Msg['TEXT_REPLACE_TOOLTIP'],
+      'helpUrl': Msg['TEXT_REPLACE_HELPURL'],
+    });
+  },
+};
+
+blocks['text_reverse'] = {
+  /**
+   * Block for reversing a string.
+   */
+  init: function (this: Block) {
+    this.jsonInit({
+      'message0': Msg['TEXT_REVERSE_MESSAGE0'],
+      'args0': [
+        {
+          'type': 'input_value',
+          'name': 'TEXT',
+          'check': 'String',
+        },
+      ],
+      'output': 'String',
+      'inputsInline': true,
+      'style': 'text_blocks',
+      'tooltip': Msg['TEXT_REVERSE_TOOLTIP'],
+      'helpUrl': Msg['TEXT_REVERSE_HELPURL'],
+    });
+  },
+};
+
+/** Type of a block that has QUOTE_IMAGE_MIXIN */
+type QuoteImageBlock = Block & QuoteImageMixin;
+interface QuoteImageMixin extends QuoteImageMixinType {}
+type QuoteImageMixinType = typeof QUOTE_IMAGE_MIXIN;
+
+const QUOTE_IMAGE_MIXIN = {
+  /**
+   * Image data URI of an LTR opening double quote (same as RTL closing double
+   * quote).
+   */
+  QUOTE_IMAGE_LEFT_DATAURI:
+    'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAKCAQAAAAqJXdxAAAA' +
+    'n0lEQVQI1z3OMa5BURSF4f/cQhAKjUQhuQmFNwGJEUi0RKN5rU7FHKhpjEH3TEMtkdBSCY' +
+    '1EIv8r7nFX9e29V7EBAOvu7RPjwmWGH/VuF8CyN9/OAdvqIXYLvtRaNjx9mMTDyo+NjAN1' +
+    'HNcl9ZQ5oQMM3dgDUqDo1l8DzvwmtZN7mnD+PkmLa+4mhrxVA9fRowBWmVBhFy5gYEjKMf' +
+    'z9AylsaRRgGzvZAAAAAElFTkSuQmCC',
+  /**
+   * Image data URI of an LTR closing double quote (same as RTL opening double
+   * quote).
+   */
+  QUOTE_IMAGE_RIGHT_DATAURI:
+    'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAKCAQAAAAqJXdxAAAA' +
+    'qUlEQVQI1z3KvUpCcRiA8ef9E4JNHhI0aFEacm1o0BsI0Slx8wa8gLauoDnoBhq7DcfWhg' +
+    'gONDmJJgqCPA7neJ7p934EOOKOnM8Q7PDElo/4x4lFb2DmuUjcUzS3URnGib9qaPNbuXvB' +
+    'O3sGPHJDRG6fGVdMSeWDP2q99FQdFrz26Gu5Tq7dFMzUvbXy8KXeAj57cOklgA+u1B5Aos' +
+    'lLtGIHQMaCVnwDnADZIFIrXsoXrgAAAABJRU5ErkJggg==',
+  /**
+   * Pixel width of QUOTE_IMAGE_LEFT_DATAURI and QUOTE_IMAGE_RIGHT_DATAURI.
+   */
+  QUOTE_IMAGE_WIDTH: 12,
+  /**
+   * Pixel height of QUOTE_IMAGE_LEFT_DATAURI and QUOTE_IMAGE_RIGHT_DATAURI.
+   */
+  QUOTE_IMAGE_HEIGHT: 12,
+
+  /**
+   * Inserts appropriate quote images before and after the named field.
+   *
+   * @param fieldName The name of the field to wrap with quotes.
+   */
+  quoteField_: function (this: QuoteImageBlock, fieldName: string) {
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      for (let j = 0, field; (field = input.fieldRow[j]); j++) {
+        if (fieldName === field.name) {
+          input.insertFieldAt(j, this.newQuote_(true));
+          input.insertFieldAt(j + 2, this.newQuote_(false));
+          return;
+        }
+      }
+    }
+    console.warn(
+      'field named "' + fieldName + '" not found in ' + this.toDevString(),
+    );
+  },
+
+  /**
+   * A helper function that generates a FieldImage of an opening or
+   * closing double quote. The selected quote will be adapted for RTL blocks.
+   *
+   * @param open If the image should be open quote (“ in LTR).
+   *                       Otherwise, a closing quote is used (” in LTR).
+   * @returns The new field.
+   */
+  newQuote_: function (this: QuoteImageBlock, open: boolean): FieldImage {
+    const isLeft = this.RTL ? !open : open;
+    const dataUri = isLeft
+      ? this.QUOTE_IMAGE_LEFT_DATAURI
+      : this.QUOTE_IMAGE_RIGHT_DATAURI;
+    return fieldRegistry.fromJson({
+      type: 'field_image',
+      src: dataUri,
+      width: this.QUOTE_IMAGE_WIDTH,
+      height: this.QUOTE_IMAGE_HEIGHT,
+      alt: isLeft ? '\u201C' : '\u201D',
+    }) as FieldImage;
+  },
+};
+
+/**
+ * Wraps TEXT field with images of double quote characters.
+ */
+const QUOTES_EXTENSION = function (this: QuoteImageBlock) {
+  this.mixin(QUOTE_IMAGE_MIXIN);
+  this.quoteField_('TEXT');
+};
+
+/**
+ * Type of a block that has TEXT_JOIN_MUTATOR_MIXIN
+ *
+ * @internal
+ */
+export type JoinMutatorBlock = BlockSvg & JoinMutatorMixin & QuoteImageMixin;
+interface JoinMutatorMixin extends JoinMutatorMixinType {}
+type JoinMutatorMixinType = typeof JOIN_MUTATOR_MIXIN;
+
+/** Type of a item block in the text_join_mutator bubble. */
+type JoinItemBlock = BlockSvg & JoinItemMixin;
+interface JoinItemMixin {
+  valueConnection_: Connection | null;
+}
+
+/**
+ * Mixin for mutator functions in the 'text_join_mutator' extension.
+ */
+const JOIN_MUTATOR_MIXIN = {
+  itemCount_: 0,
+  /**
+   * Create XML to represent number of text inputs.
+   * Backwards compatible serialization implementation.
+   *
+   * @returns XML storage element.
+   */
+  mutationToDom: function (this: JoinMutatorBlock): Element {
+    const container = xmlUtils.createElement('mutation');
+    container.setAttribute('items', `${this.itemCount_}`);
+    return container;
+  },
+  /**
+   * Parse XML to restore the text inputs.
+   * Backwards compatible serialization implementation.
+   *
+   * @param xmlElement XML storage element.
+   */
+  domToMutation: function (this: JoinMutatorBlock, xmlElement: Element) {
+    this.itemCount_ = parseInt(xmlElement.getAttribute('items')!, 10);
+    this.updateShape_();
+  },
+  /**
+   * Returns the state of this block as a JSON serializable object.
+   *
+   * @returns The state of this block, ie the item count.
+   */
+  saveExtraState: function (this: JoinMutatorBlock): {itemCount: number} {
+    return {
+      'itemCount': this.itemCount_,
+    };
+  },
+  /**
+   * Applies the given state to this block.
+   *
+   * @param state The state to apply to this block, ie the item count.
+   */
+  loadExtraState: function (this: JoinMutatorBlock, state: {[x: string]: any}) {
+    this.itemCount_ = state['itemCount'];
+    this.updateShape_();
+  },
+  /**
+   * Populate the mutator's dialog with this block's components.
+   *
+   * @param workspace Mutator's workspace.
+   * @returns Root block in mutator.
+   */
+  decompose: function (this: JoinMutatorBlock, workspace: Workspace): Block {
+    const containerBlock = workspace.newBlock(
+      'text_create_join_container',
+    ) as BlockSvg;
+    containerBlock.initSvg();
+    let connection = containerBlock.getInput('STACK')!.connection!;
+    for (let i = 0; i < this.itemCount_; i++) {
+      const itemBlock = workspace.newBlock(
+        'text_create_join_item',
+      ) as JoinItemBlock;
+      itemBlock.initSvg();
+      connection.connect(itemBlock.previousConnection);
+      connection = itemBlock.nextConnection;
+    }
+    return containerBlock;
+  },
+  /**
+   * Reconfigure this block based on the mutator dialog's components.
+   *
+   * @param containerBlock Root block in mutator.
+   */
+  compose: function (this: JoinMutatorBlock, containerBlock: Block) {
+    let itemBlock = containerBlock.getInputTargetBlock(
+      'STACK',
+    ) as JoinItemBlock;
+    // Count number of inputs.
+    const connections = [];
+    while (itemBlock) {
+      if (itemBlock.isInsertionMarker()) {
+        itemBlock = itemBlock.getNextBlock() as JoinItemBlock;
+        continue;
+      }
+      connections.push(itemBlock.valueConnection_);
+      itemBlock = itemBlock.getNextBlock() as JoinItemBlock;
+    }
+    // Disconnect any children that don't belong.
+    for (let i = 0; i < this.itemCount_; i++) {
+      const connection = this.getInput('ADD' + i)!.connection!.targetConnection;
+      if (connection && !connections.includes(connection)) {
+        connection.disconnect();
+      }
+    }
+    this.itemCount_ = connections.length;
+    this.updateShape_();
+    // Reconnect any child blocks.
+    for (let i = 0; i < this.itemCount_; i++) {
+      connections[i]?.reconnect(this, 'ADD' + i);
+    }
+  },
+  /**
+   * Store pointers to any connected child blocks.
+   *
+   * @param containerBlock Root block in mutator.
+   */
+  saveConnections: function (this: JoinMutatorBlock, containerBlock: Block) {
+    let itemBlock = containerBlock.getInputTargetBlock('STACK');
+    let i = 0;
+    while (itemBlock) {
+      if (itemBlock.isInsertionMarker()) {
+        itemBlock = itemBlock.getNextBlock();
+        continue;
+      }
+      const input = this.getInput('ADD' + i);
+      (itemBlock as JoinItemBlock).valueConnection_ =
+        input && input.connection!.targetConnection;
+      itemBlock = itemBlock.getNextBlock();
+      i++;
+    }
+  },
+  /**
+   * Modify this block to have the correct number of inputs.
+   *
+   */
+  updateShape_: function (this: JoinMutatorBlock) {
+    if (this.itemCount_ && this.getInput('EMPTY')) {
+      this.removeInput('EMPTY');
+    } else if (!this.itemCount_ && !this.getInput('EMPTY')) {
+      this.appendDummyInput('EMPTY')
+        .appendField(this.newQuote_(true))
+        .appendField(this.newQuote_(false));
+    }
+    // Add new inputs.
+    for (let i = 0; i < this.itemCount_; i++) {
+      if (!this.getInput('ADD' + i)) {
+        const input = this.appendValueInput('ADD' + i).setAlign(Align.RIGHT);
+        if (i === 0) {
+          input.appendField(Msg['TEXT_JOIN_TITLE_CREATEWITH']);
+        }
+      }
+    }
+    // Remove deleted inputs.
+    for (let i = this.itemCount_; this.getInput('ADD' + i); i++) {
+      this.removeInput('ADD' + i);
+    }
+  },
+};
+
+/**
+ * Performs final setup of a text_join block.
+ */
+const JOIN_EXTENSION = function (this: JoinMutatorBlock) {
+  // Add the quote mixin for the itemCount_ = 0 case.
+  this.mixin(QUOTE_IMAGE_MIXIN);
+  // Initialize the mutator values.
+  this.itemCount_ = 2;
+  this.updateShape_();
+  // Configure the mutator UI.
+  this.setMutator(new MutatorIcon(['text_create_join_item'], this));
+};
+
+// Update the tooltip of 'text_append' block to reference the variable.
+Extensions.register(
+  'text_append_tooltip',
+  Extensions.buildTooltipWithFieldText('%{BKY_TEXT_APPEND_TOOLTIP}', 'VAR'),
+);
+
+/**
+ * Update the tooltip of 'text_append' block to reference the variable.
+ */
+const INDEXOF_TOOLTIP_EXTENSION = function (this: Block) {
+  this.setTooltip(() => {
+    return Msg['TEXT_INDEXOF_TOOLTIP'].replace(
+      '%1',
+      this.workspace.options.oneBasedIndex ? '0' : '-1',
+    );
+  });
+};
+
+/** Type of a block that has TEXT_CHARAT_MUTATOR_MIXIN */
+type CharAtBlock = Block & CharAtMixin;
+interface CharAtMixin extends CharAtMixinType {}
+type CharAtMixinType = typeof CHARAT_MUTATOR_MIXIN;
+
+/**
+ * Mixin for mutator functions in the 'text_charAt_mutator' extension.
+ */
+const CHARAT_MUTATOR_MIXIN = {
+  isAt_: false,
+  /**
+   * Create XML to represent whether there is an 'AT' input.
+   * Backwards compatible serialization implementation.
+   *
+   * @returns XML storage element.
+   */
+  mutationToDom: function (this: CharAtBlock): Element {
+    const container = xmlUtils.createElement('mutation');
+    container.setAttribute('at', `${this.isAt_}`);
+    return container;
+  },
+  /**
+   * Parse XML to restore the 'AT' input.
+   * Backwards compatible serialization implementation.
+   *
+   * @param xmlElement XML storage element.
+   */
+  domToMutation: function (this: CharAtBlock, xmlElement: Element) {
+    // Note: Until January 2013 this block did not have mutations,
+    // so 'at' defaults to true.
+    const isAt = xmlElement.getAttribute('at') !== 'false';
+    this.updateAt_(isAt);
+  },
+
+  // This block does not need JSO serialization hooks (saveExtraState and
+  // loadExtraState) because the state of this object is already encoded in the
+  // dropdown values.
+  // XML hooks are kept for backwards compatibility.
+
+  /**
+   * Create or delete an input for the numeric index.
+   *
+   * @internal
+   * @param isAt True if the input should exist.
+   */
+  updateAt_: function (this: CharAtBlock, isAt: boolean) {
+    // Destroy old 'AT' and 'ORDINAL' inputs.
+    this.removeInput('AT', true);
+    this.removeInput('ORDINAL', true);
+    // Create either a value 'AT' input or a dummy input.
+    if (isAt) {
+      this.appendValueInput('AT').setCheck('Number');
+      if (Msg['ORDINAL_NUMBER_SUFFIX']) {
+        this.appendDummyInput('ORDINAL').appendField(
+          Msg['ORDINAL_NUMBER_SUFFIX'],
+        );
+      }
+    }
+    if (Msg['TEXT_CHARAT_TAIL']) {
+      this.removeInput('TAIL', true);
+      this.appendDummyInput('TAIL').appendField(Msg['TEXT_CHARAT_TAIL']);
+    }
+
+    this.isAt_ = isAt;
+  },
+};
+
+/**
+ * Does the initial mutator update of text_charAt and adds the tooltip
+ */
+const CHARAT_EXTENSION = function (this: CharAtBlock) {
+  const dropdown = this.getField('WHERE') as FieldDropdown;
+  dropdown.setValidator(function (this: FieldDropdown, value: any) {
+    const newAt = value === 'FROM_START' || value === 'FROM_END';
+    const block = this.getSourceBlock() as CharAtBlock;
+    if (newAt !== block.isAt_) {
+      block.updateAt_(newAt);
+    }
+    return undefined; // FieldValidators can't be void.  Use option as-is.
+  });
+  this.updateAt_(true);
+  this.setTooltip(() => {
+    const where = this.getFieldValue('WHERE');
+    let tooltip = Msg['TEXT_CHARAT_TOOLTIP'];
+    if (where === 'FROM_START' || where === 'FROM_END') {
+      const msg =
+        where === 'FROM_START'
+          ? Msg['LISTS_INDEX_FROM_START_TOOLTIP']
+          : Msg['LISTS_INDEX_FROM_END_TOOLTIP'];
+      if (msg) {
+        tooltip +=
+          '  ' +
+          msg.replace('%1', this.workspace.options.oneBasedIndex ? '#1' : '#0');
+      }
+    }
+    return tooltip;
+  });
+};
+
+Extensions.register('text_indexOf_tooltip', INDEXOF_TOOLTIP_EXTENSION);
+
+Extensions.register('text_quotes', QUOTES_EXTENSION);
+
+Extensions.registerMixin('quote_image_mixin', QUOTE_IMAGE_MIXIN);
+
+Extensions.registerMutator(
+  'text_join_mutator',
+  JOIN_MUTATOR_MIXIN,
+  JOIN_EXTENSION,
+);
+
+Extensions.registerMutator(
+  'text_charAt_mutator',
+  CHARAT_MUTATOR_MIXIN,
+  CHARAT_EXTENSION,
+);
+
+// Register provided blocks.
+defineBlocks(blocks);
diff --git a/blocks/variables.js b/blocks/variables.js
deleted file mode 100644
index 65967f921b1..00000000000
--- a/blocks/variables.js
+++ /dev/null
@@ -1,163 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Variable blocks for Blockly.
-
- * This file is scraped to extract a .json file of block definitions. The array
- * passed to defineBlocksWithJsonArray(..) must be strict JSON: double quotes
- * only, no outside references, no functions, no trailing commas, etc. The one
- * exception is end-of-line comments, which the scraper will remove.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Blocks.variables');  // Deprecated.
-goog.provide('Blockly.Constants.Variables');
-
-goog.require('Blockly');
-goog.require('Blockly.Blocks');
-goog.require('Blockly.FieldLabel');
-goog.require('Blockly.FieldVariable');
-
-
-/**
- * Unused constant for the common HSV hue for all blocks in this category.
- * @deprecated Use Blockly.Msg['VARIABLES_HUE']. (2018 April 5)
- */
-Blockly.Constants.Variables.HUE = 330;
-
-Blockly.defineBlocksWithJsonArray([  // BEGIN JSON EXTRACT
-  // Block for variable getter.
-  {
-    "type": "variables_get",
-    "message0": "%1",
-    "args0": [
-      {
-        "type": "field_variable",
-        "name": "VAR",
-        "variable": "%{BKY_VARIABLES_DEFAULT_NAME}"
-      }
-    ],
-    "output": null,
-    "style": "variable_blocks",
-    "helpUrl": "%{BKY_VARIABLES_GET_HELPURL}",
-    "tooltip": "%{BKY_VARIABLES_GET_TOOLTIP}",
-    "extensions": ["contextMenu_variableSetterGetter"]
-  },
-  // Block for variable setter.
-  {
-    "type": "variables_set",
-    "message0": "%{BKY_VARIABLES_SET}",
-    "args0": [
-      {
-        "type": "field_variable",
-        "name": "VAR",
-        "variable": "%{BKY_VARIABLES_DEFAULT_NAME}"
-      },
-      {
-        "type": "input_value",
-        "name": "VALUE"
-      }
-    ],
-    "previousStatement": null,
-    "nextStatement": null,
-    "style": "variable_blocks",
-    "tooltip": "%{BKY_VARIABLES_SET_TOOLTIP}",
-    "helpUrl": "%{BKY_VARIABLES_SET_HELPURL}",
-    "extensions": ["contextMenu_variableSetterGetter"]
-  }
-]);  // END JSON EXTRACT (Do not delete this comment.)
-
-/**
- * Mixin to add context menu items to create getter/setter blocks for this
- * setter/getter.
- * Used by blocks 'variables_set' and 'variables_get'.
- * @mixin
- * @augments Blockly.Block
- * @package
- * @readonly
- */
-Blockly.Constants.Variables.CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN = {
-  /**
-   * Add menu option to create getter/setter block for this setter/getter.
-   * @param {!Array} options List of menu options to add to.
-   * @this {Blockly.Block}
-   */
-  customContextMenu: function(options) {
-    if (!this.isInFlyout) {
-      // Getter blocks have the option to create a setter block, and vice versa.
-      if (this.type == 'variables_get') {
-        var opposite_type = 'variables_set';
-        var contextMenuMsg = Blockly.Msg['VARIABLES_GET_CREATE_SET'];
-      } else {
-        var opposite_type = 'variables_get';
-        var contextMenuMsg = Blockly.Msg['VARIABLES_SET_CREATE_GET'];
-      }
-
-      var option = {enabled: this.workspace.remainingCapacity() > 0};
-      var name = this.getField('VAR').getText();
-      option.text = contextMenuMsg.replace('%1', name);
-      var xmlField = Blockly.utils.xml.createElement('field');
-      xmlField.setAttribute('name', 'VAR');
-      xmlField.appendChild(Blockly.utils.xml.createTextNode(name));
-      var xmlBlock = Blockly.utils.xml.createElement('block');
-      xmlBlock.setAttribute('type', opposite_type);
-      xmlBlock.appendChild(xmlField);
-      option.callback = Blockly.ContextMenu.callbackFactory(this, xmlBlock);
-      options.push(option);
-      // Getter blocks have the option to rename or delete that variable.
-    } else {
-      if (this.type == 'variables_get' || this.type == 'variables_get_reporter') {
-        var renameOption = {
-          text: Blockly.Msg.RENAME_VARIABLE,
-          enabled: true,
-          callback: Blockly.Constants.Variables.RENAME_OPTION_CALLBACK_FACTORY(this)
-        };
-        var name = this.getField('VAR').getText();
-        var deleteOption = {
-          text: Blockly.Msg.DELETE_VARIABLE.replace('%1', name),
-          enabled: true,
-          callback: Blockly.Constants.Variables.DELETE_OPTION_CALLBACK_FACTORY(this)
-        };
-        options.unshift(renameOption);
-        options.unshift(deleteOption);
-      }
-    }
-  }
-};
-
-/**
-  * Callback for rename variable dropdown menu option associated with a
-  * variable getter block.
-  * @param {!Blockly.Block} block The block with the variable to rename.
-  * @return {!function()} A function that renames the variable.
-  */
-Blockly.Constants.Variables.RENAME_OPTION_CALLBACK_FACTORY = function(block) {
-  return function() {
-    var workspace = block.workspace;
-    var variable = block.getField('VAR').getVariable();
-    Blockly.Variables.renameVariable(workspace, variable);
-  };
-};
-
-/**
- * Callback for delete variable dropdown menu option associated with a
- * variable getter block.
- * @param {!Blockly.Block} block The block with the variable to delete.
- * @return {!function()} A function that deletes the variable.
- */
-Blockly.Constants.Variables.DELETE_OPTION_CALLBACK_FACTORY = function(block) {
-  return function() {
-    var workspace = block.workspace;
-    var variable = block.getField('VAR').getVariable();
-    workspace.deleteVariableById(variable.getId());
-    workspace.refreshToolboxSelection();
-  };
-};
-
-Blockly.Extensions.registerMixin('contextMenu_variableSetterGetter',
-    Blockly.Constants.Variables.CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN);
diff --git a/blocks/variables.ts b/blocks/variables.ts
new file mode 100644
index 00000000000..8ac038fb2ce
--- /dev/null
+++ b/blocks/variables.ts
@@ -0,0 +1,182 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.libraryBlocks.variables
+
+import * as ContextMenu from '../core/contextmenu.js';
+import * as Extensions from '../core/extensions.js';
+import * as Variables from '../core/variables.js';
+import type {Block} from '../core/block.js';
+import type {
+  ContextMenuOption,
+  LegacyContextMenuOption,
+} from '../core/contextmenu_registry.js';
+import {FieldVariable} from '../core/field_variable.js';
+import {Msg} from '../core/msg.js';
+import type {WorkspaceSvg} from '../core/workspace_svg.js';
+import {
+  createBlockDefinitionsFromJsonArray,
+  defineBlocks,
+} from '../core/common.js';
+import '../core/field_label.js';
+
+/**
+ * A dictionary of the block definitions provided by this module.
+ */
+export const blocks = createBlockDefinitionsFromJsonArray([
+  // Block for variable getter.
+  {
+    'type': 'variables_get',
+    'message0': '%1',
+    'args0': [
+      {
+        'type': 'field_variable',
+        'name': 'VAR',
+        'variable': '%{BKY_VARIABLES_DEFAULT_NAME}',
+      },
+    ],
+    'output': null,
+    'style': 'variable_blocks',
+    'helpUrl': '%{BKY_VARIABLES_GET_HELPURL}',
+    'tooltip': '%{BKY_VARIABLES_GET_TOOLTIP}',
+    'extensions': ['contextMenu_variableSetterGetter'],
+  },
+  // Block for variable setter.
+  {
+    'type': 'variables_set',
+    'message0': '%{BKY_VARIABLES_SET}',
+    'args0': [
+      {
+        'type': 'field_variable',
+        'name': 'VAR',
+        'variable': '%{BKY_VARIABLES_DEFAULT_NAME}',
+      },
+      {
+        'type': 'input_value',
+        'name': 'VALUE',
+      },
+    ],
+    'previousStatement': null,
+    'nextStatement': null,
+    'style': 'variable_blocks',
+    'tooltip': '%{BKY_VARIABLES_SET_TOOLTIP}',
+    'helpUrl': '%{BKY_VARIABLES_SET_HELPURL}',
+    'extensions': ['contextMenu_variableSetterGetter'],
+  },
+]);
+
+/** Type of a block that has CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN */
+type VariableBlock = Block & VariableMixin;
+interface VariableMixin extends VariableMixinType {}
+type VariableMixinType =
+  typeof CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN;
+
+/**
+ * Mixin to add context menu items to create getter/setter blocks for this
+ * setter/getter.
+ * Used by blocks 'variables_set' and 'variables_get'.
+ */
+const CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN = {
+  /**
+   * Add menu option to create getter/setter block for this setter/getter.
+   *
+   * @param options List of menu options to add to.
+   */
+  customContextMenu: function (
+    this: VariableBlock,
+    options: Array<ContextMenuOption | LegacyContextMenuOption>,
+  ) {
+    if (!this.isInFlyout) {
+      let oppositeType;
+      let contextMenuMsg;
+      // Getter blocks have the option to create a setter block, and vice versa.
+      if (this.type === 'variables_get') {
+        oppositeType = 'variables_set';
+        contextMenuMsg = Msg['VARIABLES_GET_CREATE_SET'];
+      } else {
+        oppositeType = 'variables_get';
+        contextMenuMsg = Msg['VARIABLES_SET_CREATE_GET'];
+      }
+
+      const varField = this.getField('VAR')!;
+      const newVarBlockState = {
+        type: oppositeType,
+        fields: {VAR: varField.saveState(true)},
+      };
+
+      options.push({
+        enabled: this.workspace.remainingCapacity() > 0,
+        text: contextMenuMsg.replace('%1', varField.getText()),
+        callback: ContextMenu.callbackFactory(this, newVarBlockState),
+      });
+      // Getter blocks have the option to rename or delete that variable.
+    } else {
+      if (
+        this.type === 'variables_get' ||
+        this.type === 'variables_get_reporter'
+      ) {
+        const renameOption = {
+          text: Msg['RENAME_VARIABLE'],
+          enabled: true,
+          callback: renameOptionCallbackFactory(this),
+        };
+        const name = this.getField('VAR')!.getText();
+        const deleteOption = {
+          text: Msg['DELETE_VARIABLE'].replace('%1', name),
+          enabled: true,
+          callback: deleteOptionCallbackFactory(this),
+        };
+        options.unshift(renameOption);
+        options.unshift(deleteOption);
+      }
+    }
+  },
+};
+
+/**
+ * Factory for callbacks for rename variable dropdown menu option
+ * associated with a variable getter block.
+ *
+ * @param block The block with the variable to rename.
+ * @returns A function that renames the variable.
+ */
+const renameOptionCallbackFactory = function (
+  block: VariableBlock,
+): () => void {
+  return function () {
+    const workspace = block.workspace;
+    const variableField = block.getField('VAR') as FieldVariable;
+    const variable = variableField.getVariable()!;
+    Variables.renameVariable(workspace, variable);
+  };
+};
+
+/**
+ * Factory for callbacks for delete variable dropdown menu option
+ * associated with a variable getter block.
+ *
+ * @param block The block with the variable to delete.
+ * @returns A function that deletes the variable.
+ */
+const deleteOptionCallbackFactory = function (
+  block: VariableBlock,
+): () => void {
+  return function () {
+    const workspace = block.workspace;
+    const variableField = block.getField('VAR') as FieldVariable;
+    const variable = variableField.getVariable()!;
+    workspace.deleteVariableById(variable.getId());
+    (workspace as WorkspaceSvg).refreshToolboxSelection();
+  };
+};
+
+Extensions.registerMixin(
+  'contextMenu_variableSetterGetter',
+  CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN,
+);
+
+// Register provided blocks.
+defineBlocks(blocks);
diff --git a/blocks/variables_dynamic.js b/blocks/variables_dynamic.js
deleted file mode 100644
index de9a364fdd3..00000000000
--- a/blocks/variables_dynamic.js
+++ /dev/null
@@ -1,180 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Variable blocks for Blockly.
-
- * This file is scraped to extract a .json file of block definitions. The array
- * passed to defineBlocksWithJsonArray(..) must be strict JSON: double quotes
- * only, no outside references, no functions, no trailing commas, etc. The one
- * exception is end-of-line comments, which the scraper will remove.
- * @author duzc2dtw@gmail.com (Du Tian Wei)
- */
-'use strict';
-
-goog.provide('Blockly.Constants.VariablesDynamic');
-
-goog.require('Blockly');
-goog.require('Blockly.Blocks');
-goog.require('Blockly.FieldLabel');
-goog.require('Blockly.FieldVariable');
-
-
-/**
- * Unused constant for the common HSV hue for all blocks in this category.
- * @deprecated Use Blockly.Msg['VARIABLES_DYNAMIC_HUE']. (2018 April 5)
- */
-Blockly.Constants.VariablesDynamic.HUE = 310;
-
-Blockly.defineBlocksWithJsonArray([ // BEGIN JSON EXTRACT
-  // Block for variable getter.
-  {
-    "type": "variables_get_dynamic",
-    "message0": "%1",
-    "args0": [{
-      "type": "field_variable",
-      "name": "VAR",
-      "variable": "%{BKY_VARIABLES_DEFAULT_NAME}"
-    }],
-    "output": null,
-    "style": "variable_dynamic_blocks",
-    "helpUrl": "%{BKY_VARIABLES_GET_HELPURL}",
-    "tooltip": "%{BKY_VARIABLES_GET_TOOLTIP}",
-    "extensions": ["contextMenu_variableDynamicSetterGetter"]
-  },
-  // Block for variable setter.
-  {
-    "type": "variables_set_dynamic",
-    "message0": "%{BKY_VARIABLES_SET}",
-    "args0": [{
-      "type": "field_variable",
-      "name": "VAR",
-      "variable": "%{BKY_VARIABLES_DEFAULT_NAME}"
-    },
-    {
-      "type": "input_value",
-      "name": "VALUE"
-    }
-    ],
-    "previousStatement": null,
-    "nextStatement": null,
-    "style": "variable_dynamic_blocks",
-    "tooltip": "%{BKY_VARIABLES_SET_TOOLTIP}",
-    "helpUrl": "%{BKY_VARIABLES_SET_HELPURL}",
-    "extensions": ["contextMenu_variableDynamicSetterGetter"]
-  }
-]); // END JSON EXTRACT (Do not delete this comment.)
-
-/**
- * Mixin to add context menu items to create getter/setter blocks for this
- * setter/getter.
- * Used by blocks 'variables_set_dynamic' and 'variables_get_dynamic'.
- * @mixin
- * @augments Blockly.Block
- * @package
- * @readonly
- */
-Blockly.Constants.VariablesDynamic.CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN = {
-  /**
-   * Add menu option to create getter/setter block for this setter/getter.
-   * @param {!Array} options List of menu options to add to.
-   * @this {Blockly.Block}
-   */
-  customContextMenu: function(options) {
-    // Getter blocks have the option to create a setter block, and vice versa.
-    if (!this.isInFlyout) {
-      var opposite_type;
-      var contextMenuMsg;
-      var id = this.getFieldValue('VAR');
-      var variableModel = this.workspace.getVariableById(id);
-      var varType = variableModel.type;
-      if (this.type == 'variables_get_dynamic') {
-        opposite_type = 'variables_set_dynamic';
-        contextMenuMsg = Blockly.Msg['VARIABLES_GET_CREATE_SET'];
-      } else {
-        opposite_type = 'variables_get_dynamic';
-        contextMenuMsg = Blockly.Msg['VARIABLES_SET_CREATE_GET'];
-      }
-
-      var option = {enabled: this.workspace.remainingCapacity() > 0};
-      var name = this.getField('VAR').getText();
-      option.text = contextMenuMsg.replace('%1', name);
-      var xmlField = Blockly.utils.xml.createElement('field');
-      xmlField.setAttribute('name', 'VAR');
-      xmlField.setAttribute('variabletype', varType);
-      xmlField.appendChild(Blockly.utils.xml.createTextNode(name));
-      var xmlBlock = Blockly.utils.xml.createElement('block');
-      xmlBlock.setAttribute('type', opposite_type);
-      xmlBlock.appendChild(xmlField);
-      option.callback = Blockly.ContextMenu.callbackFactory(this, xmlBlock);
-      options.push(option);
-    } else {
-      if (this.type == 'variables_get_dynamic' ||
-       this.type == 'variables_get_reporter_dynamic') {
-        var renameOption = {
-          text: Blockly.Msg.RENAME_VARIABLE,
-          enabled: true,
-          callback: Blockly.Constants.Variables.RENAME_OPTION_CALLBACK_FACTORY(this)
-        };
-        var name = this.getField('VAR').getText();
-        var deleteOption = {
-          text: Blockly.Msg.DELETE_VARIABLE.replace('%1', name),
-          enabled: true,
-          callback: Blockly.Constants.Variables.DELETE_OPTION_CALLBACK_FACTORY(this)
-        };
-        options.unshift(renameOption);
-        options.unshift(deleteOption);
-      }
-    }
-  },
-  /**
-   * Called whenever anything on the workspace changes.
-   * Set the connection type for this block.
-   * @param {!Blockly.Events.Abstract} _e Change event.
-   * @this {Blockly.Block}
-   */
-  onchange: function(_e) {
-    var id = this.getFieldValue('VAR');
-    var variableModel = Blockly.Variables.getVariable(this.workspace, id);
-    if (this.type == 'variables_get_dynamic') {
-      this.outputConnection.setCheck(variableModel.type);
-    } else {
-      this.getInput('VALUE').connection.setCheck(variableModel.type);
-    }
-  }
-};
-
-/**
-  * Callback for rename variable dropdown menu option associated with a
-  * variable getter block.
-  * @param {!Blockly.Block} block The block with the variable to rename.
-  * @return {!function()} A function that renames the variable.
-  */
-Blockly.Constants.VariablesDynamic.RENAME_OPTION_CALLBACK_FACTORY = function(block) {
-  return function() {
-    var workspace = block.workspace;
-    var variable = block.getField('VAR').getVariable();
-    Blockly.Variables.renameVariable(workspace, variable);
-  };
-};
-
-/**
- * Callback for delete variable dropdown menu option associated with a
- * variable getter block.
- * @param {!Blockly.Block} block The block with the variable to delete.
- * @return {!function()} A function that deletes the variable.
- */
-Blockly.Constants.VariablesDynamic.DELETE_OPTION_CALLBACK_FACTORY = function(block) {
-  return function() {
-    var workspace = block.workspace;
-    var variable = block.getField('VAR').getVariable();
-    workspace.deleteVariableById(variable.getId());
-    workspace.refreshToolboxSelection();
-  };
-};
-
-Blockly.Extensions.registerMixin('contextMenu_variableDynamicSetterGetter',
-    Blockly.Constants.VariablesDynamic.CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN);
diff --git a/blocks/variables_dynamic.ts b/blocks/variables_dynamic.ts
new file mode 100644
index 00000000000..e74cae423ab
--- /dev/null
+++ b/blocks/variables_dynamic.ts
@@ -0,0 +1,193 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.libraryBlocks.variablesDynamic
+
+import * as ContextMenu from '../core/contextmenu.js';
+import * as Extensions from '../core/extensions.js';
+import * as Variables from '../core/variables.js';
+import {Abstract as AbstractEvent} from '../core/events/events_abstract.js';
+import type {Block} from '../core/block.js';
+import type {
+  ContextMenuOption,
+  LegacyContextMenuOption,
+} from '../core/contextmenu_registry.js';
+import {FieldVariable} from '../core/field_variable.js';
+import {Msg} from '../core/msg.js';
+import type {WorkspaceSvg} from '../core/workspace_svg.js';
+import {
+  createBlockDefinitionsFromJsonArray,
+  defineBlocks,
+} from '../core/common.js';
+import '../core/field_label.js';
+
+/**
+ * A dictionary of the block definitions provided by this module.
+ */
+export const blocks = createBlockDefinitionsFromJsonArray([
+  // Block for variable getter.
+  {
+    'type': 'variables_get_dynamic',
+    'message0': '%1',
+    'args0': [
+      {
+        'type': 'field_variable',
+        'name': 'VAR',
+        'variable': '%{BKY_VARIABLES_DEFAULT_NAME}',
+      },
+    ],
+    'output': null,
+    'style': 'variable_dynamic_blocks',
+    'helpUrl': '%{BKY_VARIABLES_GET_HELPURL}',
+    'tooltip': '%{BKY_VARIABLES_GET_TOOLTIP}',
+    'extensions': ['contextMenu_variableDynamicSetterGetter'],
+  },
+  // Block for variable setter.
+  {
+    'type': 'variables_set_dynamic',
+    'message0': '%{BKY_VARIABLES_SET}',
+    'args0': [
+      {
+        'type': 'field_variable',
+        'name': 'VAR',
+        'variable': '%{BKY_VARIABLES_DEFAULT_NAME}',
+      },
+      {
+        'type': 'input_value',
+        'name': 'VALUE',
+      },
+    ],
+    'previousStatement': null,
+    'nextStatement': null,
+    'style': 'variable_dynamic_blocks',
+    'tooltip': '%{BKY_VARIABLES_SET_TOOLTIP}',
+    'helpUrl': '%{BKY_VARIABLES_SET_HELPURL}',
+    'extensions': ['contextMenu_variableDynamicSetterGetter'],
+  },
+]);
+
+/** Type of a block that has CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN */
+type VariableBlock = Block & VariableMixin;
+interface VariableMixin extends VariableMixinType {}
+type VariableMixinType =
+  typeof CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN;
+
+/**
+ * Mixin to add context menu items to create getter/setter blocks for this
+ * setter/getter.
+ * Used by blocks 'variables_set_dynamic' and 'variables_get_dynamic'.
+ */
+const CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN = {
+  /**
+   * Add menu option to create getter/setter block for this setter/getter.
+   *
+   * @param options List of menu options to add to.
+   */
+  customContextMenu: function (
+    this: VariableBlock,
+    options: Array<ContextMenuOption | LegacyContextMenuOption>,
+  ) {
+    // Getter blocks have the option to create a setter block, and vice versa.
+    if (!this.isInFlyout) {
+      let oppositeType;
+      let contextMenuMsg;
+      if (this.type === 'variables_get_dynamic') {
+        oppositeType = 'variables_set_dynamic';
+        contextMenuMsg = Msg['VARIABLES_GET_CREATE_SET'];
+      } else {
+        oppositeType = 'variables_get_dynamic';
+        contextMenuMsg = Msg['VARIABLES_SET_CREATE_GET'];
+      }
+
+      const varField = this.getField('VAR')!;
+      const newVarBlockState = {
+        type: oppositeType,
+        fields: {VAR: varField.saveState(true)},
+      };
+
+      options.push({
+        enabled: this.workspace.remainingCapacity() > 0,
+        text: contextMenuMsg.replace('%1', varField.getText()),
+        callback: ContextMenu.callbackFactory(this, newVarBlockState),
+      });
+    } else {
+      if (
+        this.type === 'variables_get_dynamic' ||
+        this.type === 'variables_get_reporter_dynamic'
+      ) {
+        const renameOption = {
+          text: Msg['RENAME_VARIABLE'],
+          enabled: true,
+          callback: renameOptionCallbackFactory(this),
+        };
+        const name = this.getField('VAR')!.getText();
+        const deleteOption = {
+          text: Msg['DELETE_VARIABLE'].replace('%1', name),
+          enabled: true,
+          callback: deleteOptionCallbackFactory(this),
+        };
+        options.unshift(renameOption);
+        options.unshift(deleteOption);
+      }
+    }
+  },
+  /**
+   * Called whenever anything on the workspace changes.
+   * Set the connection type for this block.
+   *
+   * @param _e Change event.
+   */
+  onchange: function (this: VariableBlock, _e: AbstractEvent) {
+    const id = this.getFieldValue('VAR');
+    const variableModel = Variables.getVariable(this.workspace, id)!;
+    if (this.type === 'variables_get_dynamic') {
+      this.outputConnection!.setCheck(variableModel.type);
+    } else {
+      this.getInput('VALUE')!.connection!.setCheck(variableModel.type);
+    }
+  },
+};
+
+/**
+ * Factory for callbacks for rename variable dropdown menu option
+ * associated with a variable getter block.
+ *
+ * @param block The block with the variable to rename.
+ * @returns A function that renames the variable.
+ */
+const renameOptionCallbackFactory = function (block: VariableBlock) {
+  return function () {
+    const workspace = block.workspace;
+    const variableField = block.getField('VAR') as FieldVariable;
+    const variable = variableField.getVariable()!;
+    Variables.renameVariable(workspace, variable);
+  };
+};
+
+/**
+ * Factory for callbacks for delete variable dropdown menu option
+ * associated with a variable getter block.
+ *
+ * @param block The block with the variable to delete.
+ * @returns A function that deletes the variable.
+ */
+const deleteOptionCallbackFactory = function (block: VariableBlock) {
+  return function () {
+    const workspace = block.workspace;
+    const variableField = block.getField('VAR') as FieldVariable;
+    const variable = variableField.getVariable()!;
+    workspace.deleteVariableById(variable.getId());
+    (workspace as WorkspaceSvg).refreshToolboxSelection();
+  };
+};
+
+Extensions.registerMixin(
+  'contextMenu_variableDynamicSetterGetter',
+  CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN,
+);
+
+// Register provided blocks.
+defineBlocks(blocks);
diff --git a/blocks_compressed.js b/blocks_compressed.js
deleted file mode 100644
index f8a8457ee11..00000000000
--- a/blocks_compressed.js
+++ /dev/null
@@ -1,182 +0,0 @@
-// Do not edit this file; automatically generated by gulp.
-
-/* eslint-disable */
-;(function(root, factory) {
-  if (typeof define === 'function' && define.amd) { // AMD
-    define(['./blockly_compressed.js'], factory);
-  } else if (typeof exports === 'object') { // Node.js
-    module.exports = factory(require('./blockly_compressed.js'));
-  } else { // Browser
-    root.Blockly.Blocks = factory(root.Blockly);
-  }
-}(this, function(Blockly) {
-  'use strict';Blockly.Blocks.colour={};Blockly.Constants={};Blockly.Constants.Colour={};Blockly.Constants.Colour.HUE=20;
-Blockly.defineBlocksWithJsonArray([{type:"colour_picker",message0:"%1",args0:[{type:"field_colour",name:"COLOUR",colour:"#ff0000"}],output:"Colour",helpUrl:"%{BKY_COLOUR_PICKER_HELPURL}",style:"colour_blocks",tooltip:"%{BKY_COLOUR_PICKER_TOOLTIP}",extensions:["parent_tooltip_when_inline"]},{type:"colour_random",message0:"%{BKY_COLOUR_RANDOM_TITLE}",output:"Colour",helpUrl:"%{BKY_COLOUR_RANDOM_HELPURL}",style:"colour_blocks",tooltip:"%{BKY_COLOUR_RANDOM_TOOLTIP}"},{type:"colour_rgb",message0:"%{BKY_COLOUR_RGB_TITLE} %{BKY_COLOUR_RGB_RED} %1 %{BKY_COLOUR_RGB_GREEN} %2 %{BKY_COLOUR_RGB_BLUE} %3",
-args0:[{type:"input_value",name:"RED",check:"Number",align:"RIGHT"},{type:"input_value",name:"GREEN",check:"Number",align:"RIGHT"},{type:"input_value",name:"BLUE",check:"Number",align:"RIGHT"}],output:"Colour",helpUrl:"%{BKY_COLOUR_RGB_HELPURL}",style:"colour_blocks",tooltip:"%{BKY_COLOUR_RGB_TOOLTIP}"},{type:"colour_blend",message0:"%{BKY_COLOUR_BLEND_TITLE} %{BKY_COLOUR_BLEND_COLOUR1} %1 %{BKY_COLOUR_BLEND_COLOUR2} %2 %{BKY_COLOUR_BLEND_RATIO} %3",args0:[{type:"input_value",name:"COLOUR1",check:"Colour",
-align:"RIGHT"},{type:"input_value",name:"COLOUR2",check:"Colour",align:"RIGHT"},{type:"input_value",name:"RATIO",check:"Number",align:"RIGHT"}],output:"Colour",helpUrl:"%{BKY_COLOUR_BLEND_HELPURL}",style:"colour_blocks",tooltip:"%{BKY_COLOUR_BLEND_TOOLTIP}"}]);Blockly.Blocks.lists={};Blockly.Constants.Lists={};Blockly.Constants.Lists.HUE=260;
-Blockly.defineBlocksWithJsonArray([{type:"lists_create_empty",message0:"%{BKY_LISTS_CREATE_EMPTY_TITLE}",output:"Array",style:"list_blocks",tooltip:"%{BKY_LISTS_CREATE_EMPTY_TOOLTIP}",helpUrl:"%{BKY_LISTS_CREATE_EMPTY_HELPURL}"},{type:"lists_repeat",message0:"%{BKY_LISTS_REPEAT_TITLE}",args0:[{type:"input_value",name:"ITEM"},{type:"input_value",name:"NUM",check:"Number"}],output:"Array",style:"list_blocks",tooltip:"%{BKY_LISTS_REPEAT_TOOLTIP}",helpUrl:"%{BKY_LISTS_REPEAT_HELPURL}"},{type:"lists_reverse",
-message0:"%{BKY_LISTS_REVERSE_MESSAGE0}",args0:[{type:"input_value",name:"LIST",check:"Array"}],output:"Array",inputsInline:!0,style:"list_blocks",tooltip:"%{BKY_LISTS_REVERSE_TOOLTIP}",helpUrl:"%{BKY_LISTS_REVERSE_HELPURL}"},{type:"lists_isEmpty",message0:"%{BKY_LISTS_ISEMPTY_TITLE}",args0:[{type:"input_value",name:"VALUE",check:["String","Array"]}],output:"Boolean",style:"list_blocks",tooltip:"%{BKY_LISTS_ISEMPTY_TOOLTIP}",helpUrl:"%{BKY_LISTS_ISEMPTY_HELPURL}"},{type:"lists_length",message0:"%{BKY_LISTS_LENGTH_TITLE}",
-args0:[{type:"input_value",name:"VALUE",check:["String","Array"]}],output:"Number",style:"list_blocks",tooltip:"%{BKY_LISTS_LENGTH_TOOLTIP}",helpUrl:"%{BKY_LISTS_LENGTH_HELPURL}"}]);
-Blockly.Blocks.lists_create_with={init:function(){this.setHelpUrl(Blockly.Msg.LISTS_CREATE_WITH_HELPURL);this.setStyle("list_blocks");this.itemCount_=3;this.updateShape_();this.setOutput(!0,"Array");this.setMutator(new Blockly.Mutator(["lists_create_with_item"]));this.setTooltip(Blockly.Msg.LISTS_CREATE_WITH_TOOLTIP)},mutationToDom:function(){var a=Blockly.utils.xml.createElement("mutation");a.setAttribute("items",this.itemCount_);return a},domToMutation:function(a){this.itemCount_=parseInt(a.getAttribute("items"),
-10);this.updateShape_()},decompose:function(a){var b=a.newBlock("lists_create_with_container");b.initSvg();for(var c=b.getInput("STACK").connection,d=0;d<this.itemCount_;d++){var e=a.newBlock("lists_create_with_item");e.initSvg();c.connect(e.previousConnection);c=e.nextConnection}return b},compose:function(a){var b=a.getInputTargetBlock("STACK");for(a=[];b;)a.push(b.valueConnection_),b=b.nextConnection&&b.nextConnection.targetBlock();for(b=0;b<this.itemCount_;b++){var c=this.getInput("ADD"+b).connection.targetConnection;
-c&&-1==a.indexOf(c)&&c.disconnect()}this.itemCount_=a.length;this.updateShape_();for(b=0;b<this.itemCount_;b++)Blockly.Mutator.reconnect(a[b],this,"ADD"+b)},saveConnections:function(a){a=a.getInputTargetBlock("STACK");for(var b=0;a;){var c=this.getInput("ADD"+b);a.valueConnection_=c&&c.connection.targetConnection;b++;a=a.nextConnection&&a.nextConnection.targetBlock()}},updateShape_:function(){this.itemCount_&&this.getInput("EMPTY")?this.removeInput("EMPTY"):this.itemCount_||this.getInput("EMPTY")||
-this.appendDummyInput("EMPTY").appendField(Blockly.Msg.LISTS_CREATE_EMPTY_TITLE);for(var a=0;a<this.itemCount_;a++)if(!this.getInput("ADD"+a)){var b=this.appendValueInput("ADD"+a).setAlign(Blockly.ALIGN_RIGHT);0==a&&b.appendField(Blockly.Msg.LISTS_CREATE_WITH_INPUT_WITH)}for(;this.getInput("ADD"+a);)this.removeInput("ADD"+a),a++}};
-Blockly.Blocks.lists_create_with_container={init:function(){this.setStyle("list_blocks");this.appendDummyInput().appendField(Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TITLE_ADD);this.appendStatementInput("STACK");this.setTooltip(Blockly.Msg.LISTS_CREATE_WITH_CONTAINER_TOOLTIP);this.contextMenu=!1}};
-Blockly.Blocks.lists_create_with_item={init:function(){this.setStyle("list_blocks");this.appendDummyInput().appendField(Blockly.Msg.LISTS_CREATE_WITH_ITEM_TITLE);this.setPreviousStatement(!0);this.setNextStatement(!0);this.setTooltip(Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP);this.contextMenu=!1}};
-Blockly.Blocks.lists_indexOf={init:function(){var a=[[Blockly.Msg.LISTS_INDEX_OF_FIRST,"FIRST"],[Blockly.Msg.LISTS_INDEX_OF_LAST,"LAST"]];this.setHelpUrl(Blockly.Msg.LISTS_INDEX_OF_HELPURL);this.setStyle("list_blocks");this.setOutput(!0,"Number");this.appendValueInput("VALUE").setCheck("Array").appendField(Blockly.Msg.LISTS_INDEX_OF_INPUT_IN_LIST);this.appendValueInput("FIND").appendField(new Blockly.FieldDropdown(a),"END");this.setInputsInline(!0);var b=this;this.setTooltip(function(){return Blockly.Msg.LISTS_INDEX_OF_TOOLTIP.replace("%1",
-b.workspace.options.oneBasedIndex?"0":"-1")})}};
-Blockly.Blocks.lists_getIndex={init:function(){var a=[[Blockly.Msg.LISTS_GET_INDEX_GET,"GET"],[Blockly.Msg.LISTS_GET_INDEX_GET_REMOVE,"GET_REMOVE"],[Blockly.Msg.LISTS_GET_INDEX_REMOVE,"REMOVE"]];this.WHERE_OPTIONS=[[Blockly.Msg.LISTS_GET_INDEX_FROM_START,"FROM_START"],[Blockly.Msg.LISTS_GET_INDEX_FROM_END,"FROM_END"],[Blockly.Msg.LISTS_GET_INDEX_FIRST,"FIRST"],[Blockly.Msg.LISTS_GET_INDEX_LAST,"LAST"],[Blockly.Msg.LISTS_GET_INDEX_RANDOM,"RANDOM"]];this.setHelpUrl(Blockly.Msg.LISTS_GET_INDEX_HELPURL);this.setStyle("list_blocks");
-a=new Blockly.FieldDropdown(a,function(c){c="REMOVE"==c;this.getSourceBlock().updateStatement_(c)});this.appendValueInput("VALUE").setCheck("Array").appendField(Blockly.Msg.LISTS_GET_INDEX_INPUT_IN_LIST);this.appendDummyInput().appendField(a,"MODE").appendField("","SPACE");this.appendDummyInput("AT");Blockly.Msg.LISTS_GET_INDEX_TAIL&&this.appendDummyInput("TAIL").appendField(Blockly.Msg.LISTS_GET_INDEX_TAIL);this.setInputsInline(!0);this.setOutput(!0);this.updateAt_(!0);var b=this;this.setTooltip(function(){var c=
-b.getFieldValue("MODE"),d=b.getFieldValue("WHERE"),e="";switch(c+" "+d){case "GET FROM_START":case "GET FROM_END":e=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_FROM;break;case "GET FIRST":e=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_FIRST;break;case "GET LAST":e=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_LAST;break;case "GET RANDOM":e=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_RANDOM;break;case "GET_REMOVE FROM_START":case "GET_REMOVE FROM_END":e=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM;break;case "GET_REMOVE FIRST":e=
-Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST;break;case "GET_REMOVE LAST":e=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST;break;case "GET_REMOVE RANDOM":e=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM;break;case "REMOVE FROM_START":case "REMOVE FROM_END":e=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM;break;case "REMOVE FIRST":e=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST;break;case "REMOVE LAST":e=Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST;break;case "REMOVE RANDOM":e=
-Blockly.Msg.LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM}if("FROM_START"==d||"FROM_END"==d)e+="  "+("FROM_START"==d?Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP:Blockly.Msg.LISTS_INDEX_FROM_END_TOOLTIP).replace("%1",b.workspace.options.oneBasedIndex?"#1":"#0");return e})},mutationToDom:function(){var a=Blockly.utils.xml.createElement("mutation");a.setAttribute("statement",!this.outputConnection);var b=this.getInput("AT").type==Blockly.INPUT_VALUE;a.setAttribute("at",b);return a},domToMutation:function(a){var b=
-"true"==a.getAttribute("statement");this.updateStatement_(b);a="false"!=a.getAttribute("at");this.updateAt_(a)},updateStatement_:function(a){a!=!this.outputConnection&&(this.unplug(!0,!0),a?(this.setOutput(!1),this.setPreviousStatement(!0),this.setNextStatement(!0)):(this.setPreviousStatement(!1),this.setNextStatement(!1),this.setOutput(!0)))},updateAt_:function(a){this.removeInput("AT");this.removeInput("ORDINAL",!0);a?(this.appendValueInput("AT").setCheck("Number"),Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&
-this.appendDummyInput("ORDINAL").appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX)):this.appendDummyInput("AT");var b=new Blockly.FieldDropdown(this.WHERE_OPTIONS,function(c){var d="FROM_START"==c||"FROM_END"==c;if(d!=a){var e=this.getSourceBlock();e.updateAt_(d);e.setFieldValue(c,"WHERE");return null}});this.getInput("AT").appendField(b,"WHERE");Blockly.Msg.LISTS_GET_INDEX_TAIL&&this.moveInputBefore("TAIL",null)}};
-Blockly.Blocks.lists_setIndex={init:function(){var a=[[Blockly.Msg.LISTS_SET_INDEX_SET,"SET"],[Blockly.Msg.LISTS_SET_INDEX_INSERT,"INSERT"]];this.WHERE_OPTIONS=[[Blockly.Msg.LISTS_GET_INDEX_FROM_START,"FROM_START"],[Blockly.Msg.LISTS_GET_INDEX_FROM_END,"FROM_END"],[Blockly.Msg.LISTS_GET_INDEX_FIRST,"FIRST"],[Blockly.Msg.LISTS_GET_INDEX_LAST,"LAST"],[Blockly.Msg.LISTS_GET_INDEX_RANDOM,"RANDOM"]];this.setHelpUrl(Blockly.Msg.LISTS_SET_INDEX_HELPURL);this.setStyle("list_blocks");this.appendValueInput("LIST").setCheck("Array").appendField(Blockly.Msg.LISTS_SET_INDEX_INPUT_IN_LIST);
-this.appendDummyInput().appendField(new Blockly.FieldDropdown(a),"MODE").appendField("","SPACE");this.appendDummyInput("AT");this.appendValueInput("TO").appendField(Blockly.Msg.LISTS_SET_INDEX_INPUT_TO);this.setInputsInline(!0);this.setPreviousStatement(!0);this.setNextStatement(!0);this.setTooltip(Blockly.Msg.LISTS_SET_INDEX_TOOLTIP);this.updateAt_(!0);var b=this;this.setTooltip(function(){var c=b.getFieldValue("MODE"),d=b.getFieldValue("WHERE"),e="";switch(c+" "+d){case "SET FROM_START":case "SET FROM_END":e=
-Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FROM;break;case "SET FIRST":e=Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_FIRST;break;case "SET LAST":e=Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_LAST;break;case "SET RANDOM":e=Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_SET_RANDOM;break;case "INSERT FROM_START":case "INSERT FROM_END":e=Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_FROM;break;case "INSERT FIRST":e=Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST;break;case "INSERT LAST":e=Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_LAST;
-break;case "INSERT RANDOM":e=Blockly.Msg.LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM}if("FROM_START"==d||"FROM_END"==d)e+="  "+Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP.replace("%1",b.workspace.options.oneBasedIndex?"#1":"#0");return e})},mutationToDom:function(){var a=Blockly.utils.xml.createElement("mutation"),b=this.getInput("AT").type==Blockly.INPUT_VALUE;a.setAttribute("at",b);return a},domToMutation:function(a){a="false"!=a.getAttribute("at");this.updateAt_(a)},updateAt_:function(a){this.removeInput("AT");
-this.removeInput("ORDINAL",!0);a?(this.appendValueInput("AT").setCheck("Number"),Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&this.appendDummyInput("ORDINAL").appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX)):this.appendDummyInput("AT");var b=new Blockly.FieldDropdown(this.WHERE_OPTIONS,function(c){var d="FROM_START"==c||"FROM_END"==c;if(d!=a){var e=this.getSourceBlock();e.updateAt_(d);e.setFieldValue(c,"WHERE");return null}});this.moveInputBefore("AT","TO");this.getInput("ORDINAL")&&this.moveInputBefore("ORDINAL",
-"TO");this.getInput("AT").appendField(b,"WHERE")}};
-Blockly.Blocks.lists_getSublist={init:function(){this.WHERE_OPTIONS_1=[[Blockly.Msg.LISTS_GET_SUBLIST_START_FROM_START,"FROM_START"],[Blockly.Msg.LISTS_GET_SUBLIST_START_FROM_END,"FROM_END"],[Blockly.Msg.LISTS_GET_SUBLIST_START_FIRST,"FIRST"]];this.WHERE_OPTIONS_2=[[Blockly.Msg.LISTS_GET_SUBLIST_END_FROM_START,"FROM_START"],[Blockly.Msg.LISTS_GET_SUBLIST_END_FROM_END,"FROM_END"],[Blockly.Msg.LISTS_GET_SUBLIST_END_LAST,"LAST"]];this.setHelpUrl(Blockly.Msg.LISTS_GET_SUBLIST_HELPURL);this.setStyle("list_blocks");
-this.appendValueInput("LIST").setCheck("Array").appendField(Blockly.Msg.LISTS_GET_SUBLIST_INPUT_IN_LIST);this.appendDummyInput("AT1");this.appendDummyInput("AT2");Blockly.Msg.LISTS_GET_SUBLIST_TAIL&&this.appendDummyInput("TAIL").appendField(Blockly.Msg.LISTS_GET_SUBLIST_TAIL);this.setInputsInline(!0);this.setOutput(!0,"Array");this.updateAt_(1,!0);this.updateAt_(2,!0);this.setTooltip(Blockly.Msg.LISTS_GET_SUBLIST_TOOLTIP)},mutationToDom:function(){var a=Blockly.utils.xml.createElement("mutation"),
-b=this.getInput("AT1").type==Blockly.INPUT_VALUE;a.setAttribute("at1",b);b=this.getInput("AT2").type==Blockly.INPUT_VALUE;a.setAttribute("at2",b);return a},domToMutation:function(a){var b="true"==a.getAttribute("at1");a="true"==a.getAttribute("at2");this.updateAt_(1,b);this.updateAt_(2,a)},updateAt_:function(a,b){this.removeInput("AT"+a);this.removeInput("ORDINAL"+a,!0);b?(this.appendValueInput("AT"+a).setCheck("Number"),Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&this.appendDummyInput("ORDINAL"+a).appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX)):
-this.appendDummyInput("AT"+a);var c=new Blockly.FieldDropdown(this["WHERE_OPTIONS_"+a],function(d){var e="FROM_START"==d||"FROM_END"==d;if(e!=b){var f=this.getSourceBlock();f.updateAt_(a,e);f.setFieldValue(d,"WHERE"+a);return null}});this.getInput("AT"+a).appendField(c,"WHERE"+a);1==a&&(this.moveInputBefore("AT1","AT2"),this.getInput("ORDINAL1")&&this.moveInputBefore("ORDINAL1","AT2"));Blockly.Msg.LISTS_GET_SUBLIST_TAIL&&this.moveInputBefore("TAIL",null)}};
-Blockly.Blocks.lists_sort={init:function(){this.jsonInit({message0:Blockly.Msg.LISTS_SORT_TITLE,args0:[{type:"field_dropdown",name:"TYPE",options:[[Blockly.Msg.LISTS_SORT_TYPE_NUMERIC,"NUMERIC"],[Blockly.Msg.LISTS_SORT_TYPE_TEXT,"TEXT"],[Blockly.Msg.LISTS_SORT_TYPE_IGNORECASE,"IGNORE_CASE"]]},{type:"field_dropdown",name:"DIRECTION",options:[[Blockly.Msg.LISTS_SORT_ORDER_ASCENDING,"1"],[Blockly.Msg.LISTS_SORT_ORDER_DESCENDING,"-1"]]},{type:"input_value",name:"LIST",check:"Array"}],output:"Array",style:"list_blocks",
-tooltip:Blockly.Msg.LISTS_SORT_TOOLTIP,helpUrl:Blockly.Msg.LISTS_SORT_HELPURL})}};
-Blockly.Blocks.lists_split={init:function(){var a=this,b=new Blockly.FieldDropdown([[Blockly.Msg.LISTS_SPLIT_LIST_FROM_TEXT,"SPLIT"],[Blockly.Msg.LISTS_SPLIT_TEXT_FROM_LIST,"JOIN"]],function(c){a.updateType_(c)});this.setHelpUrl(Blockly.Msg.LISTS_SPLIT_HELPURL);this.setStyle("list_blocks");this.appendValueInput("INPUT").setCheck("String").appendField(b,"MODE");this.appendValueInput("DELIM").setCheck("String").appendField(Blockly.Msg.LISTS_SPLIT_WITH_DELIMITER);this.setInputsInline(!0);this.setOutput(!0,
-"Array");this.setTooltip(function(){var c=a.getFieldValue("MODE");if("SPLIT"==c)return Blockly.Msg.LISTS_SPLIT_TOOLTIP_SPLIT;if("JOIN"==c)return Blockly.Msg.LISTS_SPLIT_TOOLTIP_JOIN;throw Error("Unknown mode: "+c);})},updateType_:function(a){if(this.getFieldValue("MODE")!=a){var b=this.getInput("INPUT").connection;b.setShadowDom(null);var c=b.targetBlock();c&&(b.disconnect(),c.isShadow()?c.dispose():this.bumpNeighbours())}"SPLIT"==a?(this.outputConnection.setCheck("Array"),this.getInput("INPUT").setCheck("String")):
-(this.outputConnection.setCheck("String"),this.getInput("INPUT").setCheck("Array"))},mutationToDom:function(){var a=Blockly.utils.xml.createElement("mutation");a.setAttribute("mode",this.getFieldValue("MODE"));return a},domToMutation:function(a){this.updateType_(a.getAttribute("mode"))}};Blockly.Blocks.logic={};Blockly.Constants.Logic={};Blockly.Constants.Logic.HUE=210;
-Blockly.defineBlocksWithJsonArray([{type:"logic_boolean",message0:"%1",args0:[{type:"field_dropdown",name:"BOOL",options:[["%{BKY_LOGIC_BOOLEAN_TRUE}","TRUE"],["%{BKY_LOGIC_BOOLEAN_FALSE}","FALSE"]]}],output:"Boolean",style:"logic_blocks",tooltip:"%{BKY_LOGIC_BOOLEAN_TOOLTIP}",helpUrl:"%{BKY_LOGIC_BOOLEAN_HELPURL}"},{type:"controls_if",message0:"%{BKY_CONTROLS_IF_MSG_IF} %1",args0:[{type:"input_value",name:"IF0",check:"Boolean"}],message1:"%{BKY_CONTROLS_IF_MSG_THEN} %1",args1:[{type:"input_statement",
-name:"DO0"}],previousStatement:null,nextStatement:null,style:"logic_blocks",helpUrl:"%{BKY_CONTROLS_IF_HELPURL}",mutator:"controls_if_mutator",extensions:["controls_if_tooltip"]},{type:"controls_ifelse",message0:"%{BKY_CONTROLS_IF_MSG_IF} %1",args0:[{type:"input_value",name:"IF0",check:"Boolean"}],message1:"%{BKY_CONTROLS_IF_MSG_THEN} %1",args1:[{type:"input_statement",name:"DO0"}],message2:"%{BKY_CONTROLS_IF_MSG_ELSE} %1",args2:[{type:"input_statement",name:"ELSE"}],previousStatement:null,nextStatement:null,
-style:"logic_blocks",tooltip:"%{BKYCONTROLS_IF_TOOLTIP_2}",helpUrl:"%{BKY_CONTROLS_IF_HELPURL}",extensions:["controls_if_tooltip"]},{type:"logic_compare",message0:"%1 %2 %3",args0:[{type:"input_value",name:"A"},{type:"field_dropdown",name:"OP",options:[["=","EQ"],["\u2260","NEQ"],["\u200f<","LT"],["\u200f\u2264","LTE"],["\u200f>","GT"],["\u200f\u2265","GTE"]]},{type:"input_value",name:"B"}],inputsInline:!0,output:"Boolean",style:"logic_blocks",helpUrl:"%{BKY_LOGIC_COMPARE_HELPURL}",extensions:["logic_compare",
-"logic_op_tooltip"]},{type:"logic_operation",message0:"%1 %2 %3",args0:[{type:"input_value",name:"A",check:"Boolean"},{type:"field_dropdown",name:"OP",options:[["%{BKY_LOGIC_OPERATION_AND}","AND"],["%{BKY_LOGIC_OPERATION_OR}","OR"]]},{type:"input_value",name:"B",check:"Boolean"}],inputsInline:!0,output:"Boolean",style:"logic_blocks",helpUrl:"%{BKY_LOGIC_OPERATION_HELPURL}",extensions:["logic_op_tooltip"]},{type:"logic_negate",message0:"%{BKY_LOGIC_NEGATE_TITLE}",args0:[{type:"input_value",name:"BOOL",
-check:"Boolean"}],output:"Boolean",style:"logic_blocks",tooltip:"%{BKY_LOGIC_NEGATE_TOOLTIP}",helpUrl:"%{BKY_LOGIC_NEGATE_HELPURL}"},{type:"logic_null",message0:"%{BKY_LOGIC_NULL}",output:null,style:"logic_blocks",tooltip:"%{BKY_LOGIC_NULL_TOOLTIP}",helpUrl:"%{BKY_LOGIC_NULL_HELPURL}"},{type:"logic_ternary",message0:"%{BKY_LOGIC_TERNARY_CONDITION} %1",args0:[{type:"input_value",name:"IF",check:"Boolean"}],message1:"%{BKY_LOGIC_TERNARY_IF_TRUE} %1",args1:[{type:"input_value",name:"THEN"}],message2:"%{BKY_LOGIC_TERNARY_IF_FALSE} %1",
-args2:[{type:"input_value",name:"ELSE"}],output:null,style:"logic_blocks",tooltip:"%{BKY_LOGIC_TERNARY_TOOLTIP}",helpUrl:"%{BKY_LOGIC_TERNARY_HELPURL}",extensions:["logic_ternary"]}]);
-Blockly.defineBlocksWithJsonArray([{type:"controls_if_if",message0:"%{BKY_CONTROLS_IF_IF_TITLE_IF}",nextStatement:null,enableContextMenu:!1,style:"logic_blocks",tooltip:"%{BKY_CONTROLS_IF_IF_TOOLTIP}"},{type:"controls_if_elseif",message0:"%{BKY_CONTROLS_IF_ELSEIF_TITLE_ELSEIF}",previousStatement:null,nextStatement:null,enableContextMenu:!1,style:"logic_blocks",tooltip:"%{BKY_CONTROLS_IF_ELSEIF_TOOLTIP}"},{type:"controls_if_else",message0:"%{BKY_CONTROLS_IF_ELSE_TITLE_ELSE}",previousStatement:null,
-enableContextMenu:!1,style:"logic_blocks",tooltip:"%{BKY_CONTROLS_IF_ELSE_TOOLTIP}"}]);Blockly.Constants.Logic.TOOLTIPS_BY_OP={EQ:"%{BKY_LOGIC_COMPARE_TOOLTIP_EQ}",NEQ:"%{BKY_LOGIC_COMPARE_TOOLTIP_NEQ}",LT:"%{BKY_LOGIC_COMPARE_TOOLTIP_LT}",LTE:"%{BKY_LOGIC_COMPARE_TOOLTIP_LTE}",GT:"%{BKY_LOGIC_COMPARE_TOOLTIP_GT}",GTE:"%{BKY_LOGIC_COMPARE_TOOLTIP_GTE}",AND:"%{BKY_LOGIC_OPERATION_TOOLTIP_AND}",OR:"%{BKY_LOGIC_OPERATION_TOOLTIP_OR}"};
-Blockly.Extensions.register("logic_op_tooltip",Blockly.Extensions.buildTooltipForDropdown("OP",Blockly.Constants.Logic.TOOLTIPS_BY_OP));
-Blockly.Constants.Logic.CONTROLS_IF_MUTATOR_MIXIN={elseifCount_:0,elseCount_:0,suppressPrefixSuffix:!0,mutationToDom:function(){if(!this.elseifCount_&&!this.elseCount_)return null;var a=Blockly.utils.xml.createElement("mutation");this.elseifCount_&&a.setAttribute("elseif",this.elseifCount_);this.elseCount_&&a.setAttribute("else",1);return a},domToMutation:function(a){this.elseifCount_=parseInt(a.getAttribute("elseif"),10)||0;this.elseCount_=parseInt(a.getAttribute("else"),10)||0;this.rebuildShape_()},
-decompose:function(a){var b=a.newBlock("controls_if_if");b.initSvg();for(var c=b.nextConnection,d=1;d<=this.elseifCount_;d++){var e=a.newBlock("controls_if_elseif");e.initSvg();c.connect(e.previousConnection);c=e.nextConnection}this.elseCount_&&(a=a.newBlock("controls_if_else"),a.initSvg(),c.connect(a.previousConnection));return b},compose:function(a){a=a.nextConnection.targetBlock();this.elseCount_=this.elseifCount_=0;for(var b=[null],c=[null],d=null;a;){switch(a.type){case "controls_if_elseif":this.elseifCount_++;
-b.push(a.valueConnection_);c.push(a.statementConnection_);break;case "controls_if_else":this.elseCount_++;d=a.statementConnection_;break;default:throw TypeError("Unknown block type: "+a.type);}a=a.nextConnection&&a.nextConnection.targetBlock()}this.updateShape_();this.reconnectChildBlocks_(b,c,d)},saveConnections:function(a){a=a.nextConnection.targetBlock();for(var b=1;a;){switch(a.type){case "controls_if_elseif":var c=this.getInput("IF"+b),d=this.getInput("DO"+b);a.valueConnection_=c&&c.connection.targetConnection;
-a.statementConnection_=d&&d.connection.targetConnection;b++;break;case "controls_if_else":d=this.getInput("ELSE");a.statementConnection_=d&&d.connection.targetConnection;break;default:throw TypeError("Unknown block type: "+a.type);}a=a.nextConnection&&a.nextConnection.targetBlock()}},rebuildShape_:function(){var a=[null],b=[null],c=null;this.getInput("ELSE")&&(c=this.getInput("ELSE").connection.targetConnection);for(var d=1;this.getInput("IF"+d);){var e=this.getInput("IF"+d),f=this.getInput("DO"+
-d);a.push(e.connection.targetConnection);b.push(f.connection.targetConnection);d++}this.updateShape_();this.reconnectChildBlocks_(a,b,c)},updateShape_:function(){this.getInput("ELSE")&&this.removeInput("ELSE");for(var a=1;this.getInput("IF"+a);)this.removeInput("IF"+a),this.removeInput("DO"+a),a++;for(a=1;a<=this.elseifCount_;a++)this.appendValueInput("IF"+a).setCheck("Boolean").appendField(Blockly.Msg.CONTROLS_IF_MSG_ELSEIF),this.appendStatementInput("DO"+a).appendField(Blockly.Msg.CONTROLS_IF_MSG_THEN);
-this.elseCount_&&this.appendStatementInput("ELSE").appendField(Blockly.Msg.CONTROLS_IF_MSG_ELSE)},reconnectChildBlocks_:function(a,b,c){for(var d=1;d<=this.elseifCount_;d++)Blockly.Mutator.reconnect(a[d],this,"IF"+d),Blockly.Mutator.reconnect(b[d],this,"DO"+d);Blockly.Mutator.reconnect(c,this,"ELSE")}};Blockly.Extensions.registerMutator("controls_if_mutator",Blockly.Constants.Logic.CONTROLS_IF_MUTATOR_MIXIN,null,["controls_if_elseif","controls_if_else"]);
-Blockly.Constants.Logic.CONTROLS_IF_TOOLTIP_EXTENSION=function(){this.setTooltip(function(){if(this.elseifCount_||this.elseCount_){if(!this.elseifCount_&&this.elseCount_)return Blockly.Msg.CONTROLS_IF_TOOLTIP_2;if(this.elseifCount_&&!this.elseCount_)return Blockly.Msg.CONTROLS_IF_TOOLTIP_3;if(this.elseifCount_&&this.elseCount_)return Blockly.Msg.CONTROLS_IF_TOOLTIP_4}else return Blockly.Msg.CONTROLS_IF_TOOLTIP_1;return""}.bind(this))};Blockly.Extensions.register("controls_if_tooltip",Blockly.Constants.Logic.CONTROLS_IF_TOOLTIP_EXTENSION);
-Blockly.Constants.Logic.LOGIC_COMPARE_ONCHANGE_MIXIN={onchange:function(a){this.prevBlocks_||(this.prevBlocks_=[null,null]);var b=this.getInputTargetBlock("A"),c=this.getInputTargetBlock("B");b&&c&&!this.workspace.connectionChecker.doTypeChecks(b.outputConnection,c.outputConnection)&&(Blockly.Events.setGroup(a.group),a=this.prevBlocks_[0],a!==b&&(b.unplug(),!a||a.isDisposed()||a.isShadow()||this.getInput("A").connection.connect(a.outputConnection)),b=this.prevBlocks_[1],b!==c&&(c.unplug(),!b||b.isDisposed()||
-b.isShadow()||this.getInput("B").connection.connect(b.outputConnection)),this.bumpNeighbours(),Blockly.Events.setGroup(!1));this.prevBlocks_[0]=this.getInputTargetBlock("A");this.prevBlocks_[1]=this.getInputTargetBlock("B")}};Blockly.Constants.Logic.LOGIC_COMPARE_EXTENSION=function(){this.mixin(Blockly.Constants.Logic.LOGIC_COMPARE_ONCHANGE_MIXIN)};Blockly.Extensions.register("logic_compare",Blockly.Constants.Logic.LOGIC_COMPARE_EXTENSION);
-Blockly.Constants.Logic.LOGIC_TERNARY_ONCHANGE_MIXIN={prevParentConnection_:null,onchange:function(a){var b=this.getInputTargetBlock("THEN"),c=this.getInputTargetBlock("ELSE"),d=this.outputConnection.targetConnection;if((b||c)&&d)for(var e=0;2>e;e++){var f=1==e?b:c;f&&!f.workspace.connectionChecker.doTypeChecks(f.outputConnection,d)&&(Blockly.Events.setGroup(a.group),d===this.prevParentConnection_?(this.unplug(),d.getSourceBlock().bumpNeighbours()):(f.unplug(),f.bumpNeighbours()),Blockly.Events.setGroup(!1))}this.prevParentConnection_=
-d}};Blockly.Extensions.registerMixin("logic_ternary",Blockly.Constants.Logic.LOGIC_TERNARY_ONCHANGE_MIXIN);Blockly.Blocks.loops={};Blockly.Constants.Loops={};Blockly.Constants.Loops.HUE=120;
-Blockly.defineBlocksWithJsonArray([{type:"controls_repeat_ext",message0:"%{BKY_CONTROLS_REPEAT_TITLE}",args0:[{type:"input_value",name:"TIMES",check:"Number"}],message1:"%{BKY_CONTROLS_REPEAT_INPUT_DO} %1",args1:[{type:"input_statement",name:"DO"}],previousStatement:null,nextStatement:null,style:"loop_blocks",tooltip:"%{BKY_CONTROLS_REPEAT_TOOLTIP}",helpUrl:"%{BKY_CONTROLS_REPEAT_HELPURL}"},{type:"controls_repeat",message0:"%{BKY_CONTROLS_REPEAT_TITLE}",args0:[{type:"field_number",name:"TIMES",value:10,
-min:0,precision:1}],message1:"%{BKY_CONTROLS_REPEAT_INPUT_DO} %1",args1:[{type:"input_statement",name:"DO"}],previousStatement:null,nextStatement:null,style:"loop_blocks",tooltip:"%{BKY_CONTROLS_REPEAT_TOOLTIP}",helpUrl:"%{BKY_CONTROLS_REPEAT_HELPURL}"},{type:"controls_whileUntil",message0:"%1 %2",args0:[{type:"field_dropdown",name:"MODE",options:[["%{BKY_CONTROLS_WHILEUNTIL_OPERATOR_WHILE}","WHILE"],["%{BKY_CONTROLS_WHILEUNTIL_OPERATOR_UNTIL}","UNTIL"]]},{type:"input_value",name:"BOOL",check:"Boolean"}],
-message1:"%{BKY_CONTROLS_REPEAT_INPUT_DO} %1",args1:[{type:"input_statement",name:"DO"}],previousStatement:null,nextStatement:null,style:"loop_blocks",helpUrl:"%{BKY_CONTROLS_WHILEUNTIL_HELPURL}",extensions:["controls_whileUntil_tooltip"]},{type:"controls_for",message0:"%{BKY_CONTROLS_FOR_TITLE}",args0:[{type:"field_variable",name:"VAR",variable:null},{type:"input_value",name:"FROM",check:"Number",align:"RIGHT"},{type:"input_value",name:"TO",check:"Number",align:"RIGHT"},{type:"input_value",name:"BY",
-check:"Number",align:"RIGHT"}],message1:"%{BKY_CONTROLS_REPEAT_INPUT_DO} %1",args1:[{type:"input_statement",name:"DO"}],inputsInline:!0,previousStatement:null,nextStatement:null,style:"loop_blocks",helpUrl:"%{BKY_CONTROLS_FOR_HELPURL}",extensions:["contextMenu_newGetVariableBlock","controls_for_tooltip"]},{type:"controls_forEach",message0:"%{BKY_CONTROLS_FOREACH_TITLE}",args0:[{type:"field_variable",name:"VAR",variable:null},{type:"input_value",name:"LIST",check:"Array"}],message1:"%{BKY_CONTROLS_REPEAT_INPUT_DO} %1",
-args1:[{type:"input_statement",name:"DO"}],previousStatement:null,nextStatement:null,style:"loop_blocks",helpUrl:"%{BKY_CONTROLS_FOREACH_HELPURL}",extensions:["contextMenu_newGetVariableBlock","controls_forEach_tooltip"]},{type:"controls_flow_statements",message0:"%1",args0:[{type:"field_dropdown",name:"FLOW",options:[["%{BKY_CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK}","BREAK"],["%{BKY_CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE}","CONTINUE"]]}],previousStatement:null,style:"loop_blocks",helpUrl:"%{BKY_CONTROLS_FLOW_STATEMENTS_HELPURL}",
-extensions:["controls_flow_tooltip","controls_flow_in_loop_check"]}]);Blockly.Constants.Loops.WHILE_UNTIL_TOOLTIPS={WHILE:"%{BKY_CONTROLS_WHILEUNTIL_TOOLTIP_WHILE}",UNTIL:"%{BKY_CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL}"};Blockly.Extensions.register("controls_whileUntil_tooltip",Blockly.Extensions.buildTooltipForDropdown("MODE",Blockly.Constants.Loops.WHILE_UNTIL_TOOLTIPS));Blockly.Constants.Loops.BREAK_CONTINUE_TOOLTIPS={BREAK:"%{BKY_CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK}",CONTINUE:"%{BKY_CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE}"};
-Blockly.Extensions.register("controls_flow_tooltip",Blockly.Extensions.buildTooltipForDropdown("FLOW",Blockly.Constants.Loops.BREAK_CONTINUE_TOOLTIPS));
-Blockly.Constants.Loops.CUSTOM_CONTEXT_MENU_CREATE_VARIABLES_GET_MIXIN={customContextMenu:function(a){if(!this.isInFlyout){var b=this.getField("VAR").getVariable(),c=b.name;if(!this.isCollapsed()&&null!=c){var d={enabled:!0};d.text=Blockly.Msg.VARIABLES_SET_CREATE_GET.replace("%1",c);b=Blockly.Variables.generateVariableFieldDom(b);c=Blockly.utils.xml.createElement("block");c.setAttribute("type","variables_get");c.appendChild(b);d.callback=Blockly.ContextMenu.callbackFactory(this,c);a.push(d)}}}};
-Blockly.Extensions.registerMixin("contextMenu_newGetVariableBlock",Blockly.Constants.Loops.CUSTOM_CONTEXT_MENU_CREATE_VARIABLES_GET_MIXIN);Blockly.Extensions.register("controls_for_tooltip",Blockly.Extensions.buildTooltipWithFieldText("%{BKY_CONTROLS_FOR_TOOLTIP}","VAR"));Blockly.Extensions.register("controls_forEach_tooltip",Blockly.Extensions.buildTooltipWithFieldText("%{BKY_CONTROLS_FOREACH_TOOLTIP}","VAR"));
-Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN={LOOP_TYPES:["controls_repeat","controls_repeat_ext","controls_forEach","controls_for","controls_whileUntil"],suppressPrefixSuffix:!0,getSurroundLoop:function(a){do{if(-1!=Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN.LOOP_TYPES.indexOf(a.type))return a;a=a.getSurroundParent()}while(a);return null},onchange:function(a){if(this.workspace.isDragging&&!this.workspace.isDragging()&&a.type==Blockly.Events.BLOCK_MOVE&&a.blockId==this.id){var b=
-Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN.getSurroundLoop(this);this.setWarningText(b?null:Blockly.Msg.CONTROLS_FLOW_STATEMENTS_WARNING);if(!this.isInFlyout){var c=Blockly.Events.getGroup();Blockly.Events.setGroup(a.group);this.setEnabled(b);Blockly.Events.setGroup(c)}}}};Blockly.Extensions.registerMixin("controls_flow_in_loop_check",Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN);Blockly.Blocks.math={};Blockly.Constants.Math={};Blockly.Constants.Math.HUE=230;
-Blockly.defineBlocksWithJsonArray([{type:"math_number",message0:"%1",args0:[{type:"field_number",name:"NUM",value:0}],output:"Number",helpUrl:"%{BKY_MATH_NUMBER_HELPURL}",style:"math_blocks",tooltip:"%{BKY_MATH_NUMBER_TOOLTIP}",extensions:["parent_tooltip_when_inline"]},{type:"math_arithmetic",message0:"%1 %2 %3",args0:[{type:"input_value",name:"A",check:"Number"},{type:"field_dropdown",name:"OP",options:[["%{BKY_MATH_ADDITION_SYMBOL}","ADD"],["%{BKY_MATH_SUBTRACTION_SYMBOL}","MINUS"],["%{BKY_MATH_MULTIPLICATION_SYMBOL}",
-"MULTIPLY"],["%{BKY_MATH_DIVISION_SYMBOL}","DIVIDE"],["%{BKY_MATH_POWER_SYMBOL}","POWER"]]},{type:"input_value",name:"B",check:"Number"}],inputsInline:!0,output:"Number",style:"math_blocks",helpUrl:"%{BKY_MATH_ARITHMETIC_HELPURL}",extensions:["math_op_tooltip"]},{type:"math_single",message0:"%1 %2",args0:[{type:"field_dropdown",name:"OP",options:[["%{BKY_MATH_SINGLE_OP_ROOT}","ROOT"],["%{BKY_MATH_SINGLE_OP_ABSOLUTE}","ABS"],["-","NEG"],["ln","LN"],["log10","LOG10"],["e^","EXP"],["10^","POW10"]]},
-{type:"input_value",name:"NUM",check:"Number"}],output:"Number",style:"math_blocks",helpUrl:"%{BKY_MATH_SINGLE_HELPURL}",extensions:["math_op_tooltip"]},{type:"math_trig",message0:"%1 %2",args0:[{type:"field_dropdown",name:"OP",options:[["%{BKY_MATH_TRIG_SIN}","SIN"],["%{BKY_MATH_TRIG_COS}","COS"],["%{BKY_MATH_TRIG_TAN}","TAN"],["%{BKY_MATH_TRIG_ASIN}","ASIN"],["%{BKY_MATH_TRIG_ACOS}","ACOS"],["%{BKY_MATH_TRIG_ATAN}","ATAN"]]},{type:"input_value",name:"NUM",check:"Number"}],output:"Number",style:"math_blocks",
-helpUrl:"%{BKY_MATH_TRIG_HELPURL}",extensions:["math_op_tooltip"]},{type:"math_constant",message0:"%1",args0:[{type:"field_dropdown",name:"CONSTANT",options:[["\u03c0","PI"],["e","E"],["\u03c6","GOLDEN_RATIO"],["sqrt(2)","SQRT2"],["sqrt(\u00bd)","SQRT1_2"],["\u221e","INFINITY"]]}],output:"Number",style:"math_blocks",tooltip:"%{BKY_MATH_CONSTANT_TOOLTIP}",helpUrl:"%{BKY_MATH_CONSTANT_HELPURL}"},{type:"math_number_property",message0:"%1 %2",args0:[{type:"input_value",name:"NUMBER_TO_CHECK",check:"Number"},
-{type:"field_dropdown",name:"PROPERTY",options:[["%{BKY_MATH_IS_EVEN}","EVEN"],["%{BKY_MATH_IS_ODD}","ODD"],["%{BKY_MATH_IS_PRIME}","PRIME"],["%{BKY_MATH_IS_WHOLE}","WHOLE"],["%{BKY_MATH_IS_POSITIVE}","POSITIVE"],["%{BKY_MATH_IS_NEGATIVE}","NEGATIVE"],["%{BKY_MATH_IS_DIVISIBLE_BY}","DIVISIBLE_BY"]]}],inputsInline:!0,output:"Boolean",style:"math_blocks",tooltip:"%{BKY_MATH_IS_TOOLTIP}",mutator:"math_is_divisibleby_mutator"},{type:"math_change",message0:"%{BKY_MATH_CHANGE_TITLE}",args0:[{type:"field_variable",
-name:"VAR",variable:"%{BKY_MATH_CHANGE_TITLE_ITEM}"},{type:"input_value",name:"DELTA",check:"Number"}],previousStatement:null,nextStatement:null,style:"variable_blocks",helpUrl:"%{BKY_MATH_CHANGE_HELPURL}",extensions:["math_change_tooltip"]},{type:"math_round",message0:"%1 %2",args0:[{type:"field_dropdown",name:"OP",options:[["%{BKY_MATH_ROUND_OPERATOR_ROUND}","ROUND"],["%{BKY_MATH_ROUND_OPERATOR_ROUNDUP}","ROUNDUP"],["%{BKY_MATH_ROUND_OPERATOR_ROUNDDOWN}","ROUNDDOWN"]]},{type:"input_value",name:"NUM",
-check:"Number"}],output:"Number",style:"math_blocks",helpUrl:"%{BKY_MATH_ROUND_HELPURL}",tooltip:"%{BKY_MATH_ROUND_TOOLTIP}"},{type:"math_on_list",message0:"%1 %2",args0:[{type:"field_dropdown",name:"OP",options:[["%{BKY_MATH_ONLIST_OPERATOR_SUM}","SUM"],["%{BKY_MATH_ONLIST_OPERATOR_MIN}","MIN"],["%{BKY_MATH_ONLIST_OPERATOR_MAX}","MAX"],["%{BKY_MATH_ONLIST_OPERATOR_AVERAGE}","AVERAGE"],["%{BKY_MATH_ONLIST_OPERATOR_MEDIAN}","MEDIAN"],["%{BKY_MATH_ONLIST_OPERATOR_MODE}","MODE"],["%{BKY_MATH_ONLIST_OPERATOR_STD_DEV}",
-"STD_DEV"],["%{BKY_MATH_ONLIST_OPERATOR_RANDOM}","RANDOM"]]},{type:"input_value",name:"LIST",check:"Array"}],output:"Number",style:"math_blocks",helpUrl:"%{BKY_MATH_ONLIST_HELPURL}",mutator:"math_modes_of_list_mutator",extensions:["math_op_tooltip"]},{type:"math_modulo",message0:"%{BKY_MATH_MODULO_TITLE}",args0:[{type:"input_value",name:"DIVIDEND",check:"Number"},{type:"input_value",name:"DIVISOR",check:"Number"}],inputsInline:!0,output:"Number",style:"math_blocks",tooltip:"%{BKY_MATH_MODULO_TOOLTIP}",
-helpUrl:"%{BKY_MATH_MODULO_HELPURL}"},{type:"math_constrain",message0:"%{BKY_MATH_CONSTRAIN_TITLE}",args0:[{type:"input_value",name:"VALUE",check:"Number"},{type:"input_value",name:"LOW",check:"Number"},{type:"input_value",name:"HIGH",check:"Number"}],inputsInline:!0,output:"Number",style:"math_blocks",tooltip:"%{BKY_MATH_CONSTRAIN_TOOLTIP}",helpUrl:"%{BKY_MATH_CONSTRAIN_HELPURL}"},{type:"math_random_int",message0:"%{BKY_MATH_RANDOM_INT_TITLE}",args0:[{type:"input_value",name:"FROM",check:"Number"},
-{type:"input_value",name:"TO",check:"Number"}],inputsInline:!0,output:"Number",style:"math_blocks",tooltip:"%{BKY_MATH_RANDOM_INT_TOOLTIP}",helpUrl:"%{BKY_MATH_RANDOM_INT_HELPURL}"},{type:"math_random_float",message0:"%{BKY_MATH_RANDOM_FLOAT_TITLE_RANDOM}",output:"Number",style:"math_blocks",tooltip:"%{BKY_MATH_RANDOM_FLOAT_TOOLTIP}",helpUrl:"%{BKY_MATH_RANDOM_FLOAT_HELPURL}"},{type:"math_atan2",message0:"%{BKY_MATH_ATAN2_TITLE}",args0:[{type:"input_value",name:"X",check:"Number"},{type:"input_value",
-name:"Y",check:"Number"}],inputsInline:!0,output:"Number",style:"math_blocks",tooltip:"%{BKY_MATH_ATAN2_TOOLTIP}",helpUrl:"%{BKY_MATH_ATAN2_HELPURL}"}]);
-Blockly.Constants.Math.TOOLTIPS_BY_OP={ADD:"%{BKY_MATH_ARITHMETIC_TOOLTIP_ADD}",MINUS:"%{BKY_MATH_ARITHMETIC_TOOLTIP_MINUS}",MULTIPLY:"%{BKY_MATH_ARITHMETIC_TOOLTIP_MULTIPLY}",DIVIDE:"%{BKY_MATH_ARITHMETIC_TOOLTIP_DIVIDE}",POWER:"%{BKY_MATH_ARITHMETIC_TOOLTIP_POWER}",ROOT:"%{BKY_MATH_SINGLE_TOOLTIP_ROOT}",ABS:"%{BKY_MATH_SINGLE_TOOLTIP_ABS}",NEG:"%{BKY_MATH_SINGLE_TOOLTIP_NEG}",LN:"%{BKY_MATH_SINGLE_TOOLTIP_LN}",LOG10:"%{BKY_MATH_SINGLE_TOOLTIP_LOG10}",EXP:"%{BKY_MATH_SINGLE_TOOLTIP_EXP}",POW10:"%{BKY_MATH_SINGLE_TOOLTIP_POW10}",
-SIN:"%{BKY_MATH_TRIG_TOOLTIP_SIN}",COS:"%{BKY_MATH_TRIG_TOOLTIP_COS}",TAN:"%{BKY_MATH_TRIG_TOOLTIP_TAN}",ASIN:"%{BKY_MATH_TRIG_TOOLTIP_ASIN}",ACOS:"%{BKY_MATH_TRIG_TOOLTIP_ACOS}",ATAN:"%{BKY_MATH_TRIG_TOOLTIP_ATAN}",SUM:"%{BKY_MATH_ONLIST_TOOLTIP_SUM}",MIN:"%{BKY_MATH_ONLIST_TOOLTIP_MIN}",MAX:"%{BKY_MATH_ONLIST_TOOLTIP_MAX}",AVERAGE:"%{BKY_MATH_ONLIST_TOOLTIP_AVERAGE}",MEDIAN:"%{BKY_MATH_ONLIST_TOOLTIP_MEDIAN}",MODE:"%{BKY_MATH_ONLIST_TOOLTIP_MODE}",STD_DEV:"%{BKY_MATH_ONLIST_TOOLTIP_STD_DEV}",RANDOM:"%{BKY_MATH_ONLIST_TOOLTIP_RANDOM}"};
-Blockly.Extensions.register("math_op_tooltip",Blockly.Extensions.buildTooltipForDropdown("OP",Blockly.Constants.Math.TOOLTIPS_BY_OP));
-Blockly.Constants.Math.IS_DIVISIBLEBY_MUTATOR_MIXIN={mutationToDom:function(){var a=Blockly.utils.xml.createElement("mutation"),b="DIVISIBLE_BY"==this.getFieldValue("PROPERTY");a.setAttribute("divisor_input",b);return a},domToMutation:function(a){a="true"==a.getAttribute("divisor_input");this.updateShape_(a)},updateShape_:function(a){var b=this.getInput("DIVISOR");a?b||this.appendValueInput("DIVISOR").setCheck("Number"):b&&this.removeInput("DIVISOR")}};
-Blockly.Constants.Math.IS_DIVISIBLE_MUTATOR_EXTENSION=function(){this.getField("PROPERTY").setValidator(function(a){a="DIVISIBLE_BY"==a;this.getSourceBlock().updateShape_(a)})};Blockly.Extensions.registerMutator("math_is_divisibleby_mutator",Blockly.Constants.Math.IS_DIVISIBLEBY_MUTATOR_MIXIN,Blockly.Constants.Math.IS_DIVISIBLE_MUTATOR_EXTENSION);Blockly.Extensions.register("math_change_tooltip",Blockly.Extensions.buildTooltipWithFieldText("%{BKY_MATH_CHANGE_TOOLTIP}","VAR"));
-Blockly.Constants.Math.LIST_MODES_MUTATOR_MIXIN={updateType_:function(a){"MODE"==a?this.outputConnection.setCheck("Array"):this.outputConnection.setCheck("Number")},mutationToDom:function(){var a=Blockly.utils.xml.createElement("mutation");a.setAttribute("op",this.getFieldValue("OP"));return a},domToMutation:function(a){this.updateType_(a.getAttribute("op"))}};Blockly.Constants.Math.LIST_MODES_MUTATOR_EXTENSION=function(){this.getField("OP").setValidator(function(a){this.updateType_(a)}.bind(this))};
-Blockly.Extensions.registerMutator("math_modes_of_list_mutator",Blockly.Constants.Math.LIST_MODES_MUTATOR_MIXIN,Blockly.Constants.Math.LIST_MODES_MUTATOR_EXTENSION);Blockly.Blocks.procedures={};
-Blockly.Blocks.procedures_defnoreturn={init:function(){var a=new Blockly.FieldTextInput("",Blockly.Procedures.rename);a.setSpellcheck(!1);this.appendDummyInput().appendField(Blockly.Msg.PROCEDURES_DEFNORETURN_TITLE).appendField(a,"NAME").appendField("","PARAMS");this.setMutator(new Blockly.Mutator(["procedures_mutatorarg"]));(this.workspace.options.comments||this.workspace.options.parentWorkspace&&this.workspace.options.parentWorkspace.options.comments)&&Blockly.Msg.PROCEDURES_DEFNORETURN_COMMENT&&this.setCommentText(Blockly.Msg.PROCEDURES_DEFNORETURN_COMMENT);
-this.setStyle("procedure_blocks");this.setTooltip(Blockly.Msg.PROCEDURES_DEFNORETURN_TOOLTIP);this.setHelpUrl(Blockly.Msg.PROCEDURES_DEFNORETURN_HELPURL);this.arguments_=[];this.argumentVarModels_=[];this.setStatements_(!0);this.statementConnection_=null},setStatements_:function(a){this.hasStatements_!==a&&(a?(this.appendStatementInput("STACK").appendField(Blockly.Msg.PROCEDURES_DEFNORETURN_DO),this.getInput("RETURN")&&this.moveInputBefore("STACK","RETURN")):this.removeInput("STACK",!0),this.hasStatements_=
-a)},updateParams_:function(){var a="";this.arguments_.length&&(a=Blockly.Msg.PROCEDURES_BEFORE_PARAMS+" "+this.arguments_.join(", "));Blockly.Events.disable();try{this.setFieldValue(a,"PARAMS")}finally{Blockly.Events.enable()}},mutationToDom:function(a){var b=Blockly.utils.xml.createElement("mutation");a&&b.setAttribute("name",this.getFieldValue("NAME"));for(var c=0;c<this.argumentVarModels_.length;c++){var d=Blockly.utils.xml.createElement("arg"),e=this.argumentVarModels_[c];d.setAttribute("name",
-e.name);d.setAttribute("varid",e.getId());a&&this.paramIds_&&d.setAttribute("paramId",this.paramIds_[c]);b.appendChild(d)}this.hasStatements_||b.setAttribute("statements","false");return b},domToMutation:function(a){this.arguments_=[];this.argumentVarModels_=[];for(var b=0,c;c=a.childNodes[b];b++)if("arg"==c.nodeName.toLowerCase()){var d=c.getAttribute("name");c=c.getAttribute("varid")||c.getAttribute("varId");this.arguments_.push(d);c=Blockly.Variables.getOrCreateVariablePackage(this.workspace,c,
-d,"");null!=c?this.argumentVarModels_.push(c):console.log("Failed to create a variable with name "+d+", ignoring.")}this.updateParams_();Blockly.Procedures.mutateCallers(this);this.setStatements_("false"!==a.getAttribute("statements"))},decompose:function(a){var b=Blockly.utils.xml.createElement("block");b.setAttribute("type","procedures_mutatorcontainer");var c=Blockly.utils.xml.createElement("statement");c.setAttribute("name","STACK");b.appendChild(c);for(var d=0;d<this.arguments_.length;d++){var e=
-Blockly.utils.xml.createElement("block");e.setAttribute("type","procedures_mutatorarg");var f=Blockly.utils.xml.createElement("field");f.setAttribute("name","NAME");var g=Blockly.utils.xml.createTextNode(this.arguments_[d]);f.appendChild(g);e.appendChild(f);f=Blockly.utils.xml.createElement("next");e.appendChild(f);c.appendChild(e);c=f}a=Blockly.Xml.domToBlock(b,a);"procedures_defreturn"==this.type?a.setFieldValue(this.hasStatements_,"STATEMENTS"):a.removeInput("STATEMENT_INPUT");Blockly.Procedures.mutateCallers(this);
-return a},compose:function(a){this.arguments_=[];this.paramIds_=[];this.argumentVarModels_=[];for(var b=a.getInputTargetBlock("STACK");b;){var c=b.getFieldValue("NAME");this.arguments_.push(c);c=this.workspace.getVariable(c,"");this.argumentVarModels_.push(c);this.paramIds_.push(b.id);b=b.nextConnection&&b.nextConnection.targetBlock()}this.updateParams_();Blockly.Procedures.mutateCallers(this);a=a.getFieldValue("STATEMENTS");if(null!==a&&(a="TRUE"==a,this.hasStatements_!=a))if(a)this.setStatements_(!0),
-Blockly.Mutator.reconnect(this.statementConnection_,this,"STACK"),this.statementConnection_=null;else{a=this.getInput("STACK").connection;if(this.statementConnection_=a.targetConnection)a=a.targetBlock(),a.unplug(),a.bumpNeighbours();this.setStatements_(!1)}},getProcedureDef:function(){return[this.getFieldValue("NAME"),this.arguments_,!1]},getVars:function(){return this.arguments_},getVarModels:function(){return this.argumentVarModels_},renameVarById:function(a,b){var c=this.workspace.getVariableById(a);
-if(""==c.type){c=c.name;b=this.workspace.getVariableById(b);for(var d=!1,e=0;e<this.argumentVarModels_.length;e++)this.argumentVarModels_[e].getId()==a&&(this.arguments_[e]=b.name,this.argumentVarModels_[e]=b,d=!0);d&&(this.displayRenamedVar_(c,b.name),Blockly.Procedures.mutateCallers(this))}},updateVarName:function(a){for(var b=a.name,c=!1,d=0;d<this.argumentVarModels_.length;d++)if(this.argumentVarModels_[d].getId()==a.getId()){var e=this.arguments_[d];this.arguments_[d]=b;c=!0}c&&(this.displayRenamedVar_(e,
-b),Blockly.Procedures.mutateCallers(this))},displayRenamedVar_:function(a,b){this.updateParams_();if(this.mutator&&this.mutator.isVisible())for(var c=this.mutator.workspace_.getAllBlocks(!1),d=0,e;e=c[d];d++)"procedures_mutatorarg"==e.type&&Blockly.Names.equals(a,e.getFieldValue("NAME"))&&e.setFieldValue(b,"NAME")},customContextMenu:function(a){if(!this.isInFlyout){var b={enabled:!0},c=this.getFieldValue("NAME");b.text=Blockly.Msg.PROCEDURES_CREATE_DO.replace("%1",c);var d=Blockly.utils.xml.createElement("mutation");
-d.setAttribute("name",c);for(c=0;c<this.arguments_.length;c++){var e=Blockly.utils.xml.createElement("arg");e.setAttribute("name",this.arguments_[c]);d.appendChild(e)}c=Blockly.utils.xml.createElement("block");c.setAttribute("type",this.callType_);c.appendChild(d);b.callback=Blockly.ContextMenu.callbackFactory(this,c);a.push(b);if(!this.isCollapsed())for(c=0;c<this.argumentVarModels_.length;c++)b={enabled:!0},d=this.argumentVarModels_[c],b.text=Blockly.Msg.VARIABLES_SET_CREATE_GET.replace("%1",d.name),
-d=Blockly.Variables.generateVariableFieldDom(d),e=Blockly.utils.xml.createElement("block"),e.setAttribute("type","variables_get"),e.appendChild(d),b.callback=Blockly.ContextMenu.callbackFactory(this,e),a.push(b)}},callType_:"procedures_callnoreturn"};
-Blockly.Blocks.procedures_defreturn={init:function(){var a=new Blockly.FieldTextInput("",Blockly.Procedures.rename);a.setSpellcheck(!1);this.appendDummyInput().appendField(Blockly.Msg.PROCEDURES_DEFRETURN_TITLE).appendField(a,"NAME").appendField("","PARAMS");this.appendValueInput("RETURN").setAlign(Blockly.ALIGN_RIGHT).appendField(Blockly.Msg.PROCEDURES_DEFRETURN_RETURN);this.setMutator(new Blockly.Mutator(["procedures_mutatorarg"]));(this.workspace.options.comments||this.workspace.options.parentWorkspace&&
-this.workspace.options.parentWorkspace.options.comments)&&Blockly.Msg.PROCEDURES_DEFRETURN_COMMENT&&this.setCommentText(Blockly.Msg.PROCEDURES_DEFRETURN_COMMENT);this.setStyle("procedure_blocks");this.setTooltip(Blockly.Msg.PROCEDURES_DEFRETURN_TOOLTIP);this.setHelpUrl(Blockly.Msg.PROCEDURES_DEFRETURN_HELPURL);this.arguments_=[];this.argumentVarModels_=[];this.setStatements_(!0);this.statementConnection_=null},setStatements_:Blockly.Blocks.procedures_defnoreturn.setStatements_,updateParams_:Blockly.Blocks.procedures_defnoreturn.updateParams_,
-mutationToDom:Blockly.Blocks.procedures_defnoreturn.mutationToDom,domToMutation:Blockly.Blocks.procedures_defnoreturn.domToMutation,decompose:Blockly.Blocks.procedures_defnoreturn.decompose,compose:Blockly.Blocks.procedures_defnoreturn.compose,getProcedureDef:function(){return[this.getFieldValue("NAME"),this.arguments_,!0]},getVars:Blockly.Blocks.procedures_defnoreturn.getVars,getVarModels:Blockly.Blocks.procedures_defnoreturn.getVarModels,renameVarById:Blockly.Blocks.procedures_defnoreturn.renameVarById,
-updateVarName:Blockly.Blocks.procedures_defnoreturn.updateVarName,displayRenamedVar_:Blockly.Blocks.procedures_defnoreturn.displayRenamedVar_,customContextMenu:Blockly.Blocks.procedures_defnoreturn.customContextMenu,callType_:"procedures_callreturn"};
-Blockly.Blocks.procedures_mutatorcontainer={init:function(){this.appendDummyInput().appendField(Blockly.Msg.PROCEDURES_MUTATORCONTAINER_TITLE);this.appendStatementInput("STACK");this.appendDummyInput("STATEMENT_INPUT").appendField(Blockly.Msg.PROCEDURES_ALLOW_STATEMENTS).appendField(new Blockly.FieldCheckbox("TRUE"),"STATEMENTS");this.setStyle("procedure_blocks");this.setTooltip(Blockly.Msg.PROCEDURES_MUTATORCONTAINER_TOOLTIP);this.contextMenu=!1}};
-Blockly.Blocks.procedures_mutatorarg={init:function(){var a=new Blockly.FieldTextInput(Blockly.Procedures.DEFAULT_ARG,this.validator_);a.oldShowEditorFn_=a.showEditor_;a.showEditor_=function(){this.createdVariables_=[];this.oldShowEditorFn_()};this.appendDummyInput().appendField(Blockly.Msg.PROCEDURES_MUTATORARG_TITLE).appendField(a,"NAME");this.setPreviousStatement(!0);this.setNextStatement(!0);this.setStyle("procedure_blocks");this.setTooltip(Blockly.Msg.PROCEDURES_MUTATORARG_TOOLTIP);this.contextMenu=
-!1;a.onFinishEditing_=this.deleteIntermediateVars_;a.createdVariables_=[];a.onFinishEditing_("x")},validator_:function(a){var b=this.getSourceBlock(),c=Blockly.Mutator.findParentWs(b.workspace);a=a.replace(/[\s\xa0]+/g," ").replace(/^ | $/g,"");if(!a)return null;for(var d=(b.workspace.targetWorkspace||b.workspace).getAllBlocks(!1),e=a.toLowerCase(),f=0;f<d.length;f++)if(d[f].id!=this.getSourceBlock().id){var g=d[f].getFieldValue("NAME");if(g&&g.toLowerCase()==e)return null}if(b.isInFlyout)return a;
-(b=c.getVariable(a,""))&&b.name!=a&&c.renameVariableById(b.getId(),a);b||(b=c.createVariable(a,""))&&this.createdVariables_&&this.createdVariables_.push(b);return a},deleteIntermediateVars_:function(a){var b=Blockly.Mutator.findParentWs(this.getSourceBlock().workspace);if(b)for(var c=0;c<this.createdVariables_.length;c++){var d=this.createdVariables_[c];d.name!=a&&b.deleteVariableById(d.getId())}}};
-Blockly.Blocks.procedures_callnoreturn={init:function(){this.appendDummyInput("TOPROW").appendField(this.id,"NAME");this.setPreviousStatement(!0);this.setNextStatement(!0);this.setStyle("procedure_blocks");this.setHelpUrl(Blockly.Msg.PROCEDURES_CALLNORETURN_HELPURL);this.arguments_=[];this.argumentVarModels_=[];this.quarkConnections_={};this.quarkIds_=null;this.previousEnabledState_=!0},getProcedureCall:function(){return this.getFieldValue("NAME")},renameProcedure:function(a,b){Blockly.Names.equals(a,
-this.getProcedureCall())&&(this.setFieldValue(b,"NAME"),this.setTooltip((this.outputConnection?Blockly.Msg.PROCEDURES_CALLRETURN_TOOLTIP:Blockly.Msg.PROCEDURES_CALLNORETURN_TOOLTIP).replace("%1",b)))},setProcedureParameters_:function(a,b){var c=Blockly.Procedures.getDefinition(this.getProcedureCall(),this.workspace),d=c&&c.mutator&&c.mutator.isVisible();d||(this.quarkConnections_={},this.quarkIds_=null);if(b)if(a.join("\n")==this.arguments_.join("\n"))this.quarkIds_=b;else{if(b.length!=a.length)throw RangeError("paramNames and paramIds must be the same length.");
-this.setCollapsed(!1);this.quarkIds_||(this.quarkConnections_={},this.quarkIds_=[]);c=this.rendered;this.rendered=!1;for(var e=0;e<this.arguments_.length;e++){var f=this.getInput("ARG"+e);f&&(f=f.connection.targetConnection,this.quarkConnections_[this.quarkIds_[e]]=f,d&&f&&-1==b.indexOf(this.quarkIds_[e])&&(f.disconnect(),f.getSourceBlock().bumpNeighbours()))}this.arguments_=[].concat(a);this.argumentVarModels_=[];for(e=0;e<this.arguments_.length;e++)a=Blockly.Variables.getOrCreateVariablePackage(this.workspace,
-null,this.arguments_[e],""),this.argumentVarModels_.push(a);this.updateShape_();if(this.quarkIds_=b)for(e=0;e<this.arguments_.length;e++)b=this.quarkIds_[e],b in this.quarkConnections_&&(f=this.quarkConnections_[b],Blockly.Mutator.reconnect(f,this,"ARG"+e)||delete this.quarkConnections_[b]);(this.rendered=c)&&this.render()}},updateShape_:function(){for(var a=0;a<this.arguments_.length;a++){var b=this.getField("ARGNAME"+a);if(b){Blockly.Events.disable();try{b.setValue(this.arguments_[a])}finally{Blockly.Events.enable()}}else b=
-new Blockly.FieldLabel(this.arguments_[a]),this.appendValueInput("ARG"+a).setAlign(Blockly.ALIGN_RIGHT).appendField(b,"ARGNAME"+a).init()}for(;this.getInput("ARG"+a);)this.removeInput("ARG"+a),a++;if(a=this.getInput("TOPROW"))this.arguments_.length?this.getField("WITH")||(a.appendField(Blockly.Msg.PROCEDURES_CALL_BEFORE_PARAMS,"WITH"),a.init()):this.getField("WITH")&&a.removeField("WITH")},mutationToDom:function(){var a=Blockly.utils.xml.createElement("mutation");a.setAttribute("name",this.getProcedureCall());
-for(var b=0;b<this.arguments_.length;b++){var c=Blockly.utils.xml.createElement("arg");c.setAttribute("name",this.arguments_[b]);a.appendChild(c)}return a},domToMutation:function(a){var b=a.getAttribute("name");this.renameProcedure(this.getProcedureCall(),b);b=[];for(var c=[],d=0,e;e=a.childNodes[d];d++)"arg"==e.nodeName.toLowerCase()&&(b.push(e.getAttribute("name")),c.push(e.getAttribute("paramId")));this.setProcedureParameters_(b,c)},getVars:function(){return this.arguments_},getVarModels:function(){return this.argumentVarModels_},
-onchange:function(a){if(this.workspace&&!this.workspace.isFlyout&&a.recordUndo)if(a.type==Blockly.Events.BLOCK_CREATE&&-1!=a.ids.indexOf(this.id)){var b=this.getProcedureCall();b=Blockly.Procedures.getDefinition(b,this.workspace);!b||b.type==this.defType_&&JSON.stringify(b.getVars())==JSON.stringify(this.arguments_)||(b=null);if(!b){Blockly.Events.setGroup(a.group);a=Blockly.utils.xml.createElement("xml");b=Blockly.utils.xml.createElement("block");b.setAttribute("type",this.defType_);var c=this.getRelativeToSurfaceXY(),
-d=c.y+2*Blockly.SNAP_RADIUS;b.setAttribute("x",c.x+Blockly.SNAP_RADIUS*(this.RTL?-1:1));b.setAttribute("y",d);c=this.mutationToDom();b.appendChild(c);c=Blockly.utils.xml.createElement("field");c.setAttribute("name","NAME");c.appendChild(Blockly.utils.xml.createTextNode(this.getProcedureCall()));b.appendChild(c);a.appendChild(b);Blockly.Xml.domToWorkspace(a,this.workspace);Blockly.Events.setGroup(!1)}}else a.type==Blockly.Events.BLOCK_DELETE?(b=this.getProcedureCall(),b=Blockly.Procedures.getDefinition(b,
-this.workspace),b||(Blockly.Events.setGroup(a.group),this.dispose(!0),Blockly.Events.setGroup(!1))):a.type==Blockly.Events.CHANGE&&"disabled"==a.element&&(b=this.getProcedureCall(),(b=Blockly.Procedures.getDefinition(b,this.workspace))&&b.id==a.blockId&&((b=Blockly.Events.getGroup())&&console.log("Saw an existing group while responding to a definition change"),Blockly.Events.setGroup(a.group),a.newValue?(this.previousEnabledState_=this.isEnabled(),this.setEnabled(!1)):this.setEnabled(this.previousEnabledState_),
-Blockly.Events.setGroup(b)))},customContextMenu:function(a){if(this.workspace.isMovable()){var b={enabled:!0};b.text=Blockly.Msg.PROCEDURES_HIGHLIGHT_DEF;var c=this.getProcedureCall(),d=this.workspace;b.callback=function(){var e=Blockly.Procedures.getDefinition(c,d);e&&(d.centerOnBlock(e.id),e.select())};a.push(b)}},defType_:"procedures_defnoreturn"};
-Blockly.Blocks.procedures_callreturn={init:function(){this.appendDummyInput("TOPROW").appendField("","NAME");this.setOutput(!0);this.setStyle("procedure_blocks");this.setHelpUrl(Blockly.Msg.PROCEDURES_CALLRETURN_HELPURL);this.arguments_=[];this.quarkConnections_={};this.quarkIds_=null;this.previousEnabledState_=!0},getProcedureCall:Blockly.Blocks.procedures_callnoreturn.getProcedureCall,renameProcedure:Blockly.Blocks.procedures_callnoreturn.renameProcedure,setProcedureParameters_:Blockly.Blocks.procedures_callnoreturn.setProcedureParameters_,
-updateShape_:Blockly.Blocks.procedures_callnoreturn.updateShape_,mutationToDom:Blockly.Blocks.procedures_callnoreturn.mutationToDom,domToMutation:Blockly.Blocks.procedures_callnoreturn.domToMutation,getVars:Blockly.Blocks.procedures_callnoreturn.getVars,getVarModels:Blockly.Blocks.procedures_callnoreturn.getVarModels,onchange:Blockly.Blocks.procedures_callnoreturn.onchange,customContextMenu:Blockly.Blocks.procedures_callnoreturn.customContextMenu,defType_:"procedures_defreturn"};
-Blockly.Blocks.procedures_ifreturn={init:function(){this.appendValueInput("CONDITION").setCheck("Boolean").appendField(Blockly.Msg.CONTROLS_IF_MSG_IF);this.appendValueInput("VALUE").appendField(Blockly.Msg.PROCEDURES_DEFRETURN_RETURN);this.setInputsInline(!0);this.setPreviousStatement(!0);this.setNextStatement(!0);this.setStyle("procedure_blocks");this.setTooltip(Blockly.Msg.PROCEDURES_IFRETURN_TOOLTIP);this.setHelpUrl(Blockly.Msg.PROCEDURES_IFRETURN_HELPURL);this.hasReturnValue_=!0},mutationToDom:function(){var a=
-Blockly.utils.xml.createElement("mutation");a.setAttribute("value",Number(this.hasReturnValue_));return a},domToMutation:function(a){this.hasReturnValue_=1==a.getAttribute("value");this.hasReturnValue_||(this.removeInput("VALUE"),this.appendDummyInput("VALUE").appendField(Blockly.Msg.PROCEDURES_DEFRETURN_RETURN))},onchange:function(a){if(this.workspace.isDragging&&!this.workspace.isDragging()){a=!1;var b=this;do{if(-1!=this.FUNCTION_TYPES.indexOf(b.type)){a=!0;break}b=b.getSurroundParent()}while(b);
-a?("procedures_defnoreturn"==b.type&&this.hasReturnValue_?(this.removeInput("VALUE"),this.appendDummyInput("VALUE").appendField(Blockly.Msg.PROCEDURES_DEFRETURN_RETURN),this.hasReturnValue_=!1):"procedures_defreturn"!=b.type||this.hasReturnValue_||(this.removeInput("VALUE"),this.appendValueInput("VALUE").appendField(Blockly.Msg.PROCEDURES_DEFRETURN_RETURN),this.hasReturnValue_=!0),this.setWarningText(null),this.isInFlyout||this.setEnabled(!0)):(this.setWarningText(Blockly.Msg.PROCEDURES_IFRETURN_WARNING),
-this.isInFlyout||this.getInheritedDisabled()||this.setEnabled(!1))}},FUNCTION_TYPES:["procedures_defnoreturn","procedures_defreturn"]};Blockly.Blocks.texts={};Blockly.Constants.Text={};Blockly.Constants.Text.HUE=160;
-Blockly.defineBlocksWithJsonArray([{type:"text",message0:"%1",args0:[{type:"field_input",name:"TEXT",text:""}],output:"String",style:"text_blocks",helpUrl:"%{BKY_TEXT_TEXT_HELPURL}",tooltip:"%{BKY_TEXT_TEXT_TOOLTIP}",extensions:["text_quotes","parent_tooltip_when_inline"]},{type:"text_multiline",message0:"%1 %2",args0:[{type:"field_image",src:"data:image/png;base64,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",width:12,
-height:17,alt:"\u00b6"},{type:"field_multilinetext",name:"TEXT",text:""}],output:"String",style:"text_blocks",helpUrl:"%{BKY_TEXT_TEXT_HELPURL}",tooltip:"%{BKY_TEXT_TEXT_TOOLTIP}",extensions:["parent_tooltip_when_inline"]},{type:"text_join",message0:"",output:"String",style:"text_blocks",helpUrl:"%{BKY_TEXT_JOIN_HELPURL}",tooltip:"%{BKY_TEXT_JOIN_TOOLTIP}",mutator:"text_join_mutator"},{type:"text_create_join_container",message0:"%{BKY_TEXT_CREATE_JOIN_TITLE_JOIN} %1 %2",args0:[{type:"input_dummy"},
-{type:"input_statement",name:"STACK"}],style:"text_blocks",tooltip:"%{BKY_TEXT_CREATE_JOIN_TOOLTIP}",enableContextMenu:!1},{type:"text_create_join_item",message0:"%{BKY_TEXT_CREATE_JOIN_ITEM_TITLE_ITEM}",previousStatement:null,nextStatement:null,style:"text_blocks",tooltip:"%{BKY_TEXT_CREATE_JOIN_ITEM_TOOLTIP}",enableContextMenu:!1},{type:"text_append",message0:"%{BKY_TEXT_APPEND_TITLE}",args0:[{type:"field_variable",name:"VAR",variable:"%{BKY_TEXT_APPEND_VARIABLE}"},{type:"input_value",name:"TEXT"}],
-previousStatement:null,nextStatement:null,style:"text_blocks",extensions:["text_append_tooltip"]},{type:"text_length",message0:"%{BKY_TEXT_LENGTH_TITLE}",args0:[{type:"input_value",name:"VALUE",check:["String","Array"]}],output:"Number",style:"text_blocks",tooltip:"%{BKY_TEXT_LENGTH_TOOLTIP}",helpUrl:"%{BKY_TEXT_LENGTH_HELPURL}"},{type:"text_isEmpty",message0:"%{BKY_TEXT_ISEMPTY_TITLE}",args0:[{type:"input_value",name:"VALUE",check:["String","Array"]}],output:"Boolean",style:"text_blocks",tooltip:"%{BKY_TEXT_ISEMPTY_TOOLTIP}",
-helpUrl:"%{BKY_TEXT_ISEMPTY_HELPURL}"},{type:"text_indexOf",message0:"%{BKY_TEXT_INDEXOF_TITLE}",args0:[{type:"input_value",name:"VALUE",check:"String"},{type:"field_dropdown",name:"END",options:[["%{BKY_TEXT_INDEXOF_OPERATOR_FIRST}","FIRST"],["%{BKY_TEXT_INDEXOF_OPERATOR_LAST}","LAST"]]},{type:"input_value",name:"FIND",check:"String"}],output:"Number",style:"text_blocks",helpUrl:"%{BKY_TEXT_INDEXOF_HELPURL}",inputsInline:!0,extensions:["text_indexOf_tooltip"]},{type:"text_charAt",message0:"%{BKY_TEXT_CHARAT_TITLE}",
-args0:[{type:"input_value",name:"VALUE",check:"String"},{type:"field_dropdown",name:"WHERE",options:[["%{BKY_TEXT_CHARAT_FROM_START}","FROM_START"],["%{BKY_TEXT_CHARAT_FROM_END}","FROM_END"],["%{BKY_TEXT_CHARAT_FIRST}","FIRST"],["%{BKY_TEXT_CHARAT_LAST}","LAST"],["%{BKY_TEXT_CHARAT_RANDOM}","RANDOM"]]}],output:"String",style:"text_blocks",helpUrl:"%{BKY_TEXT_CHARAT_HELPURL}",inputsInline:!0,mutator:"text_charAt_mutator"}]);
-Blockly.Blocks.text_getSubstring={init:function(){this.WHERE_OPTIONS_1=[[Blockly.Msg.TEXT_GET_SUBSTRING_START_FROM_START,"FROM_START"],[Blockly.Msg.TEXT_GET_SUBSTRING_START_FROM_END,"FROM_END"],[Blockly.Msg.TEXT_GET_SUBSTRING_START_FIRST,"FIRST"]];this.WHERE_OPTIONS_2=[[Blockly.Msg.TEXT_GET_SUBSTRING_END_FROM_START,"FROM_START"],[Blockly.Msg.TEXT_GET_SUBSTRING_END_FROM_END,"FROM_END"],[Blockly.Msg.TEXT_GET_SUBSTRING_END_LAST,"LAST"]];this.setHelpUrl(Blockly.Msg.TEXT_GET_SUBSTRING_HELPURL);this.setStyle("text_blocks");
-this.appendValueInput("STRING").setCheck("String").appendField(Blockly.Msg.TEXT_GET_SUBSTRING_INPUT_IN_TEXT);this.appendDummyInput("AT1");this.appendDummyInput("AT2");Blockly.Msg.TEXT_GET_SUBSTRING_TAIL&&this.appendDummyInput("TAIL").appendField(Blockly.Msg.TEXT_GET_SUBSTRING_TAIL);this.setInputsInline(!0);this.setOutput(!0,"String");this.updateAt_(1,!0);this.updateAt_(2,!0);this.setTooltip(Blockly.Msg.TEXT_GET_SUBSTRING_TOOLTIP)},mutationToDom:function(){var a=Blockly.utils.xml.createElement("mutation"),
-b=this.getInput("AT1").type==Blockly.INPUT_VALUE;a.setAttribute("at1",b);b=this.getInput("AT2").type==Blockly.INPUT_VALUE;a.setAttribute("at2",b);return a},domToMutation:function(a){var b="true"==a.getAttribute("at1");a="true"==a.getAttribute("at2");this.updateAt_(1,b);this.updateAt_(2,a)},updateAt_:function(a,b){this.removeInput("AT"+a);this.removeInput("ORDINAL"+a,!0);b?(this.appendValueInput("AT"+a).setCheck("Number"),Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&this.appendDummyInput("ORDINAL"+a).appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX)):
-this.appendDummyInput("AT"+a);2==a&&Blockly.Msg.TEXT_GET_SUBSTRING_TAIL&&(this.removeInput("TAIL",!0),this.appendDummyInput("TAIL").appendField(Blockly.Msg.TEXT_GET_SUBSTRING_TAIL));var c=new Blockly.FieldDropdown(this["WHERE_OPTIONS_"+a],function(d){var e="FROM_START"==d||"FROM_END"==d;if(e!=b){var f=this.getSourceBlock();f.updateAt_(a,e);f.setFieldValue(d,"WHERE"+a);return null}});this.getInput("AT"+a).appendField(c,"WHERE"+a);1==a&&(this.moveInputBefore("AT1","AT2"),this.getInput("ORDINAL1")&&
-this.moveInputBefore("ORDINAL1","AT2"))}};Blockly.Blocks.text_changeCase={init:function(){var a=[[Blockly.Msg.TEXT_CHANGECASE_OPERATOR_UPPERCASE,"UPPERCASE"],[Blockly.Msg.TEXT_CHANGECASE_OPERATOR_LOWERCASE,"LOWERCASE"],[Blockly.Msg.TEXT_CHANGECASE_OPERATOR_TITLECASE,"TITLECASE"]];this.setHelpUrl(Blockly.Msg.TEXT_CHANGECASE_HELPURL);this.setStyle("text_blocks");this.appendValueInput("TEXT").setCheck("String").appendField(new Blockly.FieldDropdown(a),"CASE");this.setOutput(!0,"String");this.setTooltip(Blockly.Msg.TEXT_CHANGECASE_TOOLTIP)}};
-Blockly.Blocks.text_trim={init:function(){var a=[[Blockly.Msg.TEXT_TRIM_OPERATOR_BOTH,"BOTH"],[Blockly.Msg.TEXT_TRIM_OPERATOR_LEFT,"LEFT"],[Blockly.Msg.TEXT_TRIM_OPERATOR_RIGHT,"RIGHT"]];this.setHelpUrl(Blockly.Msg.TEXT_TRIM_HELPURL);this.setStyle("text_blocks");this.appendValueInput("TEXT").setCheck("String").appendField(new Blockly.FieldDropdown(a),"MODE");this.setOutput(!0,"String");this.setTooltip(Blockly.Msg.TEXT_TRIM_TOOLTIP)}};
-Blockly.Blocks.text_print={init:function(){this.jsonInit({message0:Blockly.Msg.TEXT_PRINT_TITLE,args0:[{type:"input_value",name:"TEXT"}],previousStatement:null,nextStatement:null,style:"text_blocks",tooltip:Blockly.Msg.TEXT_PRINT_TOOLTIP,helpUrl:Blockly.Msg.TEXT_PRINT_HELPURL})}};
-Blockly.Blocks.text_prompt_ext={init:function(){var a=[[Blockly.Msg.TEXT_PROMPT_TYPE_TEXT,"TEXT"],[Blockly.Msg.TEXT_PROMPT_TYPE_NUMBER,"NUMBER"]];this.setHelpUrl(Blockly.Msg.TEXT_PROMPT_HELPURL);this.setStyle("text_blocks");var b=this;a=new Blockly.FieldDropdown(a,function(c){b.updateType_(c)});this.appendValueInput("TEXT").appendField(a,"TYPE");this.setOutput(!0,"String");this.setTooltip(function(){return"TEXT"==b.getFieldValue("TYPE")?Blockly.Msg.TEXT_PROMPT_TOOLTIP_TEXT:Blockly.Msg.TEXT_PROMPT_TOOLTIP_NUMBER})},
-updateType_:function(a){this.outputConnection.setCheck("NUMBER"==a?"Number":"String")},mutationToDom:function(){var a=Blockly.utils.xml.createElement("mutation");a.setAttribute("type",this.getFieldValue("TYPE"));return a},domToMutation:function(a){this.updateType_(a.getAttribute("type"))}};
-Blockly.Blocks.text_prompt={init:function(){this.mixin(Blockly.Constants.Text.QUOTE_IMAGE_MIXIN);var a=[[Blockly.Msg.TEXT_PROMPT_TYPE_TEXT,"TEXT"],[Blockly.Msg.TEXT_PROMPT_TYPE_NUMBER,"NUMBER"]],b=this;this.setHelpUrl(Blockly.Msg.TEXT_PROMPT_HELPURL);this.setStyle("text_blocks");a=new Blockly.FieldDropdown(a,function(c){b.updateType_(c)});this.appendDummyInput().appendField(a,"TYPE").appendField(this.newQuote_(!0)).appendField(new Blockly.FieldTextInput(""),"TEXT").appendField(this.newQuote_(!1));
-this.setOutput(!0,"String");this.setTooltip(function(){return"TEXT"==b.getFieldValue("TYPE")?Blockly.Msg.TEXT_PROMPT_TOOLTIP_TEXT:Blockly.Msg.TEXT_PROMPT_TOOLTIP_NUMBER})},updateType_:Blockly.Blocks.text_prompt_ext.updateType_,mutationToDom:Blockly.Blocks.text_prompt_ext.mutationToDom,domToMutation:Blockly.Blocks.text_prompt_ext.domToMutation};
-Blockly.Blocks.text_count={init:function(){this.jsonInit({message0:Blockly.Msg.TEXT_COUNT_MESSAGE0,args0:[{type:"input_value",name:"SUB",check:"String"},{type:"input_value",name:"TEXT",check:"String"}],output:"Number",inputsInline:!0,style:"text_blocks",tooltip:Blockly.Msg.TEXT_COUNT_TOOLTIP,helpUrl:Blockly.Msg.TEXT_COUNT_HELPURL})}};
-Blockly.Blocks.text_replace={init:function(){this.jsonInit({message0:Blockly.Msg.TEXT_REPLACE_MESSAGE0,args0:[{type:"input_value",name:"FROM",check:"String"},{type:"input_value",name:"TO",check:"String"},{type:"input_value",name:"TEXT",check:"String"}],output:"String",inputsInline:!0,style:"text_blocks",tooltip:Blockly.Msg.TEXT_REPLACE_TOOLTIP,helpUrl:Blockly.Msg.TEXT_REPLACE_HELPURL})}};
-Blockly.Blocks.text_reverse={init:function(){this.jsonInit({message0:Blockly.Msg.TEXT_REVERSE_MESSAGE0,args0:[{type:"input_value",name:"TEXT",check:"String"}],output:"String",inputsInline:!0,style:"text_blocks",tooltip:Blockly.Msg.TEXT_REVERSE_TOOLTIP,helpUrl:Blockly.Msg.TEXT_REVERSE_HELPURL})}};
-Blockly.Constants.Text.QUOTE_IMAGE_MIXIN={QUOTE_IMAGE_LEFT_DATAURI:"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAKCAQAAAAqJXdxAAAAn0lEQVQI1z3OMa5BURSF4f/cQhAKjUQhuQmFNwGJEUi0RKN5rU7FHKhpjEH3TEMtkdBSCY1EIv8r7nFX9e29V7EBAOvu7RPjwmWGH/VuF8CyN9/OAdvqIXYLvtRaNjx9mMTDyo+NjAN1HNcl9ZQ5oQMM3dgDUqDo1l8DzvwmtZN7mnD+PkmLa+4mhrxVA9fRowBWmVBhFy5gYEjKMfz9AylsaRRgGzvZAAAAAElFTkSuQmCC",QUOTE_IMAGE_RIGHT_DATAURI:"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAKCAQAAAAqJXdxAAAAqUlEQVQI1z3KvUpCcRiA8ef9E4JNHhI0aFEacm1o0BsI0Slx8wa8gLauoDnoBhq7DcfWhggONDmJJgqCPA7neJ7p934EOOKOnM8Q7PDElo/4x4lFb2DmuUjcUzS3URnGib9qaPNbuXvBO3sGPHJDRG6fGVdMSeWDP2q99FQdFrz26Gu5Tq7dFMzUvbXy8KXeAj57cOklgA+u1B5AoslLtGIHQMaCVnwDnADZIFIrXsoXrgAAAABJRU5ErkJggg==",
-QUOTE_IMAGE_WIDTH:12,QUOTE_IMAGE_HEIGHT:12,quoteField_:function(a){for(var b=0,c;c=this.inputList[b];b++)for(var d=0,e;e=c.fieldRow[d];d++)if(a==e.name){c.insertFieldAt(d,this.newQuote_(!0));c.insertFieldAt(d+2,this.newQuote_(!1));return}console.warn('field named "'+a+'" not found in '+this.toDevString())},newQuote_:function(a){a=this.RTL?!a:a;return new Blockly.FieldImage(a?this.QUOTE_IMAGE_LEFT_DATAURI:this.QUOTE_IMAGE_RIGHT_DATAURI,this.QUOTE_IMAGE_WIDTH,this.QUOTE_IMAGE_HEIGHT,a?"\u201c":"\u201d")}};
-Blockly.Constants.Text.TEXT_QUOTES_EXTENSION=function(){this.mixin(Blockly.Constants.Text.QUOTE_IMAGE_MIXIN);this.quoteField_("TEXT")};
-Blockly.Constants.Text.TEXT_JOIN_MUTATOR_MIXIN={mutationToDom:function(){var a=Blockly.utils.xml.createElement("mutation");a.setAttribute("items",this.itemCount_);return a},domToMutation:function(a){this.itemCount_=parseInt(a.getAttribute("items"),10);this.updateShape_()},decompose:function(a){var b=a.newBlock("text_create_join_container");b.initSvg();for(var c=b.getInput("STACK").connection,d=0;d<this.itemCount_;d++){var e=a.newBlock("text_create_join_item");e.initSvg();c.connect(e.previousConnection);
-c=e.nextConnection}return b},compose:function(a){var b=a.getInputTargetBlock("STACK");for(a=[];b;)a.push(b.valueConnection_),b=b.nextConnection&&b.nextConnection.targetBlock();for(b=0;b<this.itemCount_;b++){var c=this.getInput("ADD"+b).connection.targetConnection;c&&-1==a.indexOf(c)&&c.disconnect()}this.itemCount_=a.length;this.updateShape_();for(b=0;b<this.itemCount_;b++)Blockly.Mutator.reconnect(a[b],this,"ADD"+b)},saveConnections:function(a){a=a.getInputTargetBlock("STACK");for(var b=0;a;){var c=
-this.getInput("ADD"+b);a.valueConnection_=c&&c.connection.targetConnection;b++;a=a.nextConnection&&a.nextConnection.targetBlock()}},updateShape_:function(){this.itemCount_&&this.getInput("EMPTY")?this.removeInput("EMPTY"):this.itemCount_||this.getInput("EMPTY")||this.appendDummyInput("EMPTY").appendField(this.newQuote_(!0)).appendField(this.newQuote_(!1));for(var a=0;a<this.itemCount_;a++)if(!this.getInput("ADD"+a)){var b=this.appendValueInput("ADD"+a).setAlign(Blockly.ALIGN_RIGHT);0==a&&b.appendField(Blockly.Msg.TEXT_JOIN_TITLE_CREATEWITH)}for(;this.getInput("ADD"+
-a);)this.removeInput("ADD"+a),a++}};Blockly.Constants.Text.TEXT_JOIN_EXTENSION=function(){this.mixin(Blockly.Constants.Text.QUOTE_IMAGE_MIXIN);this.itemCount_=2;this.updateShape_();this.setMutator(new Blockly.Mutator(["text_create_join_item"]))};Blockly.Extensions.register("text_append_tooltip",Blockly.Extensions.buildTooltipWithFieldText("%{BKY_TEXT_APPEND_TOOLTIP}","VAR"));
-Blockly.Constants.Text.TEXT_INDEXOF_TOOLTIP_EXTENSION=function(){var a=this;this.setTooltip(function(){return Blockly.Msg.TEXT_INDEXOF_TOOLTIP.replace("%1",a.workspace.options.oneBasedIndex?"0":"-1")})};
-Blockly.Constants.Text.TEXT_CHARAT_MUTATOR_MIXIN={mutationToDom:function(){var a=Blockly.utils.xml.createElement("mutation");a.setAttribute("at",!!this.isAt_);return a},domToMutation:function(a){a="false"!=a.getAttribute("at");this.updateAt_(a)},updateAt_:function(a){this.removeInput("AT",!0);this.removeInput("ORDINAL",!0);a&&(this.appendValueInput("AT").setCheck("Number"),Blockly.Msg.ORDINAL_NUMBER_SUFFIX&&this.appendDummyInput("ORDINAL").appendField(Blockly.Msg.ORDINAL_NUMBER_SUFFIX));Blockly.Msg.TEXT_CHARAT_TAIL&&
-(this.removeInput("TAIL",!0),this.appendDummyInput("TAIL").appendField(Blockly.Msg.TEXT_CHARAT_TAIL));this.isAt_=a}};
-Blockly.Constants.Text.TEXT_CHARAT_EXTENSION=function(){this.getField("WHERE").setValidator(function(b){b="FROM_START"==b||"FROM_END"==b;b!=this.isAt_&&this.getSourceBlock().updateAt_(b)});this.updateAt_(!0);var a=this;this.setTooltip(function(){var b=a.getFieldValue("WHERE"),c=Blockly.Msg.TEXT_CHARAT_TOOLTIP;("FROM_START"==b||"FROM_END"==b)&&(b="FROM_START"==b?Blockly.Msg.LISTS_INDEX_FROM_START_TOOLTIP:Blockly.Msg.LISTS_INDEX_FROM_END_TOOLTIP)&&(c+="  "+b.replace("%1",a.workspace.options.oneBasedIndex?
-"#1":"#0"));return c})};Blockly.Extensions.register("text_indexOf_tooltip",Blockly.Constants.Text.TEXT_INDEXOF_TOOLTIP_EXTENSION);Blockly.Extensions.register("text_quotes",Blockly.Constants.Text.TEXT_QUOTES_EXTENSION);Blockly.Extensions.registerMutator("text_join_mutator",Blockly.Constants.Text.TEXT_JOIN_MUTATOR_MIXIN,Blockly.Constants.Text.TEXT_JOIN_EXTENSION);Blockly.Extensions.registerMutator("text_charAt_mutator",Blockly.Constants.Text.TEXT_CHARAT_MUTATOR_MIXIN,Blockly.Constants.Text.TEXT_CHARAT_EXTENSION);Blockly.Blocks.variables={};Blockly.Constants.Variables={};Blockly.Constants.Variables.HUE=330;
-Blockly.defineBlocksWithJsonArray([{type:"variables_get",message0:"%1",args0:[{type:"field_variable",name:"VAR",variable:"%{BKY_VARIABLES_DEFAULT_NAME}"}],output:null,style:"variable_blocks",helpUrl:"%{BKY_VARIABLES_GET_HELPURL}",tooltip:"%{BKY_VARIABLES_GET_TOOLTIP}",extensions:["contextMenu_variableSetterGetter"]},{type:"variables_set",message0:"%{BKY_VARIABLES_SET}",args0:[{type:"field_variable",name:"VAR",variable:"%{BKY_VARIABLES_DEFAULT_NAME}"},{type:"input_value",name:"VALUE"}],previousStatement:null,
-nextStatement:null,style:"variable_blocks",tooltip:"%{BKY_VARIABLES_SET_TOOLTIP}",helpUrl:"%{BKY_VARIABLES_SET_HELPURL}",extensions:["contextMenu_variableSetterGetter"]}]);
-Blockly.Constants.Variables.CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN={customContextMenu:function(a){if(!this.isInFlyout){if("variables_get"==this.type)var b="variables_set",c=Blockly.Msg.VARIABLES_GET_CREATE_SET;else b="variables_get",c=Blockly.Msg.VARIABLES_SET_CREATE_GET;var d={enabled:0<this.workspace.remainingCapacity()},e=this.getField("VAR").getText();d.text=c.replace("%1",e);c=Blockly.utils.xml.createElement("field");c.setAttribute("name","VAR");c.appendChild(Blockly.utils.xml.createTextNode(e));
-e=Blockly.utils.xml.createElement("block");e.setAttribute("type",b);e.appendChild(c);d.callback=Blockly.ContextMenu.callbackFactory(this,e);a.push(d)}else if("variables_get"==this.type||"variables_get_reporter"==this.type)b={text:Blockly.Msg.RENAME_VARIABLE,enabled:!0,callback:Blockly.Constants.Variables.RENAME_OPTION_CALLBACK_FACTORY(this)},e=this.getField("VAR").getText(),d={text:Blockly.Msg.DELETE_VARIABLE.replace("%1",e),enabled:!0,callback:Blockly.Constants.Variables.DELETE_OPTION_CALLBACK_FACTORY(this)},
-a.unshift(b),a.unshift(d)}};Blockly.Constants.Variables.RENAME_OPTION_CALLBACK_FACTORY=function(a){return function(){var b=a.workspace,c=a.getField("VAR").getVariable();Blockly.Variables.renameVariable(b,c)}};Blockly.Constants.Variables.DELETE_OPTION_CALLBACK_FACTORY=function(a){return function(){var b=a.workspace,c=a.getField("VAR").getVariable();b.deleteVariableById(c.getId());b.refreshToolboxSelection()}};Blockly.Extensions.registerMixin("contextMenu_variableSetterGetter",Blockly.Constants.Variables.CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN);Blockly.Constants.VariablesDynamic={};Blockly.Constants.VariablesDynamic.HUE=310;
-Blockly.defineBlocksWithJsonArray([{type:"variables_get_dynamic",message0:"%1",args0:[{type:"field_variable",name:"VAR",variable:"%{BKY_VARIABLES_DEFAULT_NAME}"}],output:null,style:"variable_dynamic_blocks",helpUrl:"%{BKY_VARIABLES_GET_HELPURL}",tooltip:"%{BKY_VARIABLES_GET_TOOLTIP}",extensions:["contextMenu_variableDynamicSetterGetter"]},{type:"variables_set_dynamic",message0:"%{BKY_VARIABLES_SET}",args0:[{type:"field_variable",name:"VAR",variable:"%{BKY_VARIABLES_DEFAULT_NAME}"},{type:"input_value",
-name:"VALUE"}],previousStatement:null,nextStatement:null,style:"variable_dynamic_blocks",tooltip:"%{BKY_VARIABLES_SET_TOOLTIP}",helpUrl:"%{BKY_VARIABLES_SET_HELPURL}",extensions:["contextMenu_variableDynamicSetterGetter"]}]);
-Blockly.Constants.VariablesDynamic.CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN={customContextMenu:function(a){if(!this.isInFlyout){var b=this.getFieldValue("VAR");var c=this.workspace.getVariableById(b).type;if("variables_get_dynamic"==this.type){b="variables_set_dynamic";var d=Blockly.Msg.VARIABLES_GET_CREATE_SET}else b="variables_get_dynamic",d=Blockly.Msg.VARIABLES_SET_CREATE_GET;var e={enabled:0<this.workspace.remainingCapacity()},f=this.getField("VAR").getText();e.text=d.replace("%1",f);
-d=Blockly.utils.xml.createElement("field");d.setAttribute("name","VAR");d.setAttribute("variabletype",c);d.appendChild(Blockly.utils.xml.createTextNode(f));f=Blockly.utils.xml.createElement("block");f.setAttribute("type",b);f.appendChild(d);e.callback=Blockly.ContextMenu.callbackFactory(this,f);a.push(e)}else if("variables_get_dynamic"==this.type||"variables_get_reporter_dynamic"==this.type)b={text:Blockly.Msg.RENAME_VARIABLE,enabled:!0,callback:Blockly.Constants.Variables.RENAME_OPTION_CALLBACK_FACTORY(this)},
-f=this.getField("VAR").getText(),e={text:Blockly.Msg.DELETE_VARIABLE.replace("%1",f),enabled:!0,callback:Blockly.Constants.Variables.DELETE_OPTION_CALLBACK_FACTORY(this)},a.unshift(b),a.unshift(e)},onchange:function(a){a=this.getFieldValue("VAR");a=Blockly.Variables.getVariable(this.workspace,a);"variables_get_dynamic"==this.type?this.outputConnection.setCheck(a.type):this.getInput("VALUE").connection.setCheck(a.type)}};
-Blockly.Constants.VariablesDynamic.RENAME_OPTION_CALLBACK_FACTORY=function(a){return function(){var b=a.workspace,c=a.getField("VAR").getVariable();Blockly.Variables.renameVariable(b,c)}};Blockly.Constants.VariablesDynamic.DELETE_OPTION_CALLBACK_FACTORY=function(a){return function(){var b=a.workspace,c=a.getField("VAR").getVariable();b.deleteVariableById(c.getId());b.refreshToolboxSelection()}};Blockly.Extensions.registerMixin("contextMenu_variableDynamicSetterGetter",Blockly.Constants.VariablesDynamic.CUSTOM_CONTEXT_MENU_VARIABLE_GETTER_SETTER_MIXIN);
-return Blockly.Blocks;
-}));
-
-
-//# sourceMappingURL=blocks_compressed.js.map
diff --git a/blocks_compressed.js.map b/blocks_compressed.js.map
deleted file mode 100644
index 52a02794dd4..00000000000
--- a/blocks_compressed.js.map
+++ /dev/null
@@ -1 +0,0 @@
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\ No newline at end of file
diff --git a/build.py b/build.py
deleted file mode 100755
index 48d1502c026..00000000000
--- a/build.py
+++ /dev/null
@@ -1,507 +0,0 @@
-#!/usr/bin/python2.7
-#
-# Deprecation warning: (July 2020)
-# This build script has been deprecated, please use 'npm run build' instead.
-# The script will be removed from Blockly core in Q4 of 2020.
-#
-# Compresses the core Blockly files into a single JavaScript file.
-#
-# Copyright 2012 Google LLC
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# Usage: build.py <0 or more of core, generators, langfiles>
-# build.py with no parameters builds all files.
-# core builds blockly_compressed, blockly_uncompressed, and blocks_compressed.
-# generators builds every <language>_compressed.js.
-# langfiles builds every msg/js/<LANG>.js file.
-
-# This script generates two versions of Blockly's core files:
-#   blockly_compressed.js
-#   blockly_uncompressed.js
-# The compressed file is a concatenation of all of Blockly's core files which
-# have been run through Google's Closure Compiler.  This is done using the
-# online API (which takes a few seconds and requires an Internet connection).
-# The uncompressed file is a script that loads in each of Blockly's core files
-# one by one.  This takes much longer for a browser to load, but is useful
-# when debugging code since line numbers are meaningful and variables haven't
-# been renamed.  The uncompressed file also allows for a faster development
-# cycle since there is no need to rebuild or recompile, just reload.
-#
-# This script also generates:
-#   blocks_compressed.js: The compressed Blockly language blocks.
-#   javascript_compressed.js: The compressed JavaScript generator.
-#   python_compressed.js: The compressed Python generator.
-#   php_compressed.js: The compressed PHP generator.
-#   lua_compressed.js: The compressed Lua generator.
-#   dart_compressed.js: The compressed Dart generator.
-#   msg/js/<LANG>.js for every language <LANG> defined in msg/js/<LANG>.json.
-
-import argparse
-import codecs
-import glob
-import json
-import os
-import re
-import subprocess
-import sys
-import threading
-
-if sys.version_info[0] == 2:
-  import httplib
-  from urllib import urlencode
-else:
-  import http.client as httplib
-  from urllib.parse import urlencode
-  from importlib import reload
-
-# Read package.json and extract the current Blockly version.
-blocklyVersion = json.loads(open('package.json', 'r').read())['version']
-
-def import_path(fullpath):
-  """Import a file with full path specification.
-  Allows one to import from any directory, something __import__ does not do.
-
-  Args:
-      fullpath:  Path and filename of import.
-
-  Returns:
-      An imported module.
-  """
-  path, filename = os.path.split(fullpath)
-  filename, ext = os.path.splitext(filename)
-  sys.path.append(path)
-  module = __import__(filename)
-  reload(module)  # Might be out of date.
-  del sys.path[-1]
-  return module
-
-
-HEADER = ("// Do not edit this file; automatically generated by build.py.\n"
-          "'use strict';\n")
-
-
-class Gen_uncompressed(threading.Thread):
-  """Generate a JavaScript file that loads Blockly's raw files.
-  Runs in a separate thread.
-  """
-  def __init__(self, search_paths, target_filename):
-    threading.Thread.__init__(self)
-    self.search_paths = search_paths
-    self.target_filename = target_filename
-
-  def run(self):
-    f = open(self.target_filename, 'w')
-    f.write(HEADER)
-    f.write("""
-this.IS_NODE_JS = !!(typeof module !== 'undefined' && module.exports);
-
-this.BLOCKLY_DIR = (function(root) {
-  if (!root.IS_NODE_JS) {
-    // Find name of current directory.
-    var scripts = document.getElementsByTagName('script');
-    var re = new RegExp('(.+)[\/]blockly_(.*)uncompressed\.js$');
-    for (var i = 0, script; script = scripts[i]; i++) {
-      var match = re.exec(script.src);
-      if (match) {
-        return match[1];
-      }
-    }
-    alert('Could not detect Blockly\\'s directory name.');
-  }
-  return '';
-})(this);
-
-this.BLOCKLY_BOOT = function(root) {
-  // Execute after Closure has loaded.
-""")
-    add_dependency = []
-    base_path = calcdeps.FindClosureBasePath(self.search_paths)
-    for dep in calcdeps.BuildDependenciesFromFiles(self.search_paths):
-      add_dependency.append(calcdeps.GetDepsLine(dep, base_path))
-    add_dependency.sort()  # Deterministic build.
-    add_dependency = '\n'.join(add_dependency)
-    f.write(add_dependency + '\n')
-
-    f.write('\n')
-    f.write('// Load Blockly.\n')
-    f.write('goog.require(\'Blockly.requires\')\n')
-
-    f.write("""
-delete root.BLOCKLY_DIR;
-delete root.BLOCKLY_BOOT;
-delete root.IS_NODE_JS;
-};
-
-if (this.IS_NODE_JS) {
-  this.BLOCKLY_BOOT(this);
-  module.exports = Blockly;
-} else {
-  document.write('<script src="' + this.BLOCKLY_DIR +
-      '/closure/goog/base.js"></script>');
-  document.write('<script>this.BLOCKLY_BOOT(this);</script>');
-}
-""")
-    f.close()
-    print("SUCCESS: " + self.target_filename)
-
-
-class Gen_compressed(threading.Thread):
-  """Generate a JavaScript file that contains all of Blockly's core and all
-  required parts of Closure, compiled together.
-  Uses the Closure Compiler's online API.
-  Runs in a separate thread.
-  """
-  def __init__(self, search_paths, bundles):
-    threading.Thread.__init__(self)
-    self.search_paths = search_paths
-    self.bundles = bundles
-
-  def run(self):
-    if (self.bundles.core):
-      self.gen_core()
-      self.gen_blocks()
-
-    if (self.bundles.generators):
-      self.gen_generator("javascript")
-      self.gen_generator("python")
-      self.gen_generator("php")
-      self.gen_generator("lua")
-      self.gen_generator("dart")
-
-  def gen_core(self):
-    target_filename = "blockly_compressed.js"
-    # Define the parameters for the POST request.
-    params = [
-        ("compilation_level", "SIMPLE_OPTIMIZATIONS"),
-        ("use_closure_library", "false"),
-        ("output_format", "json"),
-        ("output_info", "compiled_code"),
-        ("output_info", "warnings"),
-        ("output_info", "errors"),
-        ("output_info", "statistics"),
-        ("warning_level", "DEFAULT"),
-      ]
-
-    # Read in all the source files.
-    filenames = calcdeps.CalculateDependencies(self.search_paths,
-        [os.path.join("core", "requires.js")])
-    filenames.sort()  # Deterministic build.
-    for filename in filenames:
-      # Filter out the Closure files (the compiler will add them).
-      if filename.startswith("closure"):
-        continue
-      f = codecs.open(filename, encoding="utf-8")
-      code = "".join(f.readlines())
-      # Inject the Blockly version.
-      if filename == "core/blockly.js":
-        code = code.replace("Blockly.VERSION = 'uncompiled';",
-                            "Blockly.VERSION = '%s';" % blocklyVersion)
-      # Strip out all requireType calls.
-      code = re.sub(r"goog.requireType(.*)", "", code)
-      params.append(("js_code", code.encode("utf-8")))
-      f.close()
-
-    self.do_compile(params, target_filename, filenames, "")
-
-  def gen_blocks(self):
-    target_filename = "blocks_compressed.js"
-    # Define the parameters for the POST request.
-    params = [
-        ("compilation_level", "SIMPLE_OPTIMIZATIONS"),
-        ("output_format", "json"),
-        ("output_info", "compiled_code"),
-        ("output_info", "warnings"),
-        ("output_info", "errors"),
-        ("output_info", "statistics"),
-        ("warning_level", "DEFAULT"),
-      ]
-
-    # Add Blockly, Blockly.Blocks, and all fields to be compatible with the compiler.
-    params.append(("js_code", """
-goog.provide('Blockly');
-goog.provide('Blockly.Blocks');
-goog.provide('Blockly.Comment');
-goog.provide('Blockly.FieldCheckbox');
-goog.provide('Blockly.FieldColour');
-goog.provide('Blockly.FieldDropdown');
-goog.provide('Blockly.FieldImage');
-goog.provide('Blockly.FieldLabel');
-goog.provide('Blockly.FieldMultilineInput');
-goog.provide('Blockly.FieldNumber');
-goog.provide('Blockly.FieldTextInput');
-goog.provide('Blockly.FieldVariable');
-goog.provide('Blockly.Mutator');
-goog.provide('Blockly.Warning');
-"""))
-    # Read in all the source files.
-    filenames = glob.glob(os.path.join("blocks", "*.js"))
-    filenames.sort()  # Deterministic build.
-    for filename in filenames:
-      f = codecs.open(filename, encoding="utf-8")
-      params.append(("js_code", "".join(f.readlines()).encode("utf-8")))
-      f.close()
-
-    # Remove Blockly, Blockly.Blocks and all fields to be compatible with Blockly.
-    remove = r"var Blockly=\{[^;]*\};\n?"
-    self.do_compile(params, target_filename, filenames, remove)
-
-  def gen_generator(self, language):
-    target_filename = language + "_compressed.js"
-    # Define the parameters for the POST request.
-    params = [
-        ("compilation_level", "SIMPLE_OPTIMIZATIONS"),
-        ("output_format", "json"),
-        ("output_info", "compiled_code"),
-        ("output_info", "warnings"),
-        ("output_info", "errors"),
-        ("output_info", "statistics"),
-        ("warning_level", "DEFAULT"),
-      ]
-
-    # Read in all the source files.
-    # Add Blockly.Generator and Blockly.utils.string to be compatible
-    # with the compiler.
-    params.append(("js_code", """
-goog.provide('Blockly.Generator');
-goog.provide('Blockly.utils.global');
-goog.provide('Blockly.utils.string');
-"""))
-    filenames = glob.glob(
-        os.path.join("generators", language, "*.js"))
-    filenames.sort()  # Deterministic build.
-    filenames.insert(0, os.path.join("generators", language + ".js"))
-    for filename in filenames:
-      f = codecs.open(filename, encoding="utf-8")
-      params.append(("js_code", "".join(f.readlines()).encode("utf-8")))
-      f.close()
-    filenames.insert(0, "[goog.provide]")
-
-    # Remove Blockly.Generator and Blockly.utils.string to be compatible
-    # with Blockly.
-    remove = r"var Blockly=\{[^;]*\};\s*Blockly.utils.global={};\s*Blockly.utils.string={};\n?"
-    self.do_compile(params, target_filename, filenames, remove)
-
-  def do_compile(self, params, target_filename, filenames, remove):
-    # Send the request to Google.
-    headers = {"Content-type": "application/x-www-form-urlencoded"}
-    conn = httplib.HTTPSConnection("closure-compiler.appspot.com")
-    conn.request("POST", "/compile", urlencode(params), headers)
-    response = conn.getresponse()
-
-    # Decode is necessary for Python 3.4 compatibility
-    json_str = response.read().decode("utf-8")
-    conn.close()
-
-    # Parse the JSON response.
-    try:
-      json_data = json.loads(json_str)
-    except ValueError:
-      print("ERROR: Could not parse JSON for %s.  Raw data:" % target_filename)
-      print(json_str)
-      return
-
-    def file_lookup(name):
-      if not name.startswith("Input_"):
-        return "???"
-      n = int(name[6:])
-      return filenames[n]
-
-    if "serverErrors" in json_data:
-      errors = json_data["serverErrors"]
-      for error in errors:
-        print("SERVER ERROR: %s" % target_filename)
-        print(error["error"])
-    elif "errors" in json_data:
-      errors = json_data["errors"]
-      for error in errors:
-        print("FATAL ERROR")
-        print(error["error"])
-        if error["file"]:
-          print("%s at line %d:" % (
-              file_lookup(error["file"]), error["lineno"]))
-          print(error["line"])
-          print((" " * error["charno"]) + "^")
-        sys.exit(1)
-    else:
-      if "warnings" in json_data:
-        warnings = json_data["warnings"]
-        for warning in warnings:
-          print("WARNING")
-          print(warning["warning"])
-          if warning["file"]:
-            print("%s at line %d:" % (
-                file_lookup(warning["file"]), warning["lineno"]))
-            print(warning["line"])
-            print((" " * warning["charno"]) + "^")
-        print()
-
-      if not "compiledCode" in json_data:
-        print("FATAL ERROR: Compiler did not return compiledCode.")
-        sys.exit(1)
-
-      code = HEADER + "\n" + json_data["compiledCode"]
-      # Remove Blockly definitions to be compatible with Blockly.
-      code = re.sub(remove, "", code)
-      code = self.trim_licence(code)
-
-      stats = json_data["statistics"]
-      original_b = stats["originalSize"]
-      compressed_b = stats["compressedSize"]
-      if original_b > 0 and compressed_b > 0:
-        f = open(target_filename, "w")
-        f.write(code)
-        f.close()
-
-        original_kb = int(original_b / 1024 + 0.5)
-        compressed_kb = int(compressed_b / 1024 + 0.5)
-        ratio = int(float(compressed_b) / float(original_b) * 100 + 0.5)
-        print("SUCCESS: " + target_filename)
-        print("Size changed from %d KB to %d KB (%d%%)." % (
-            original_kb, compressed_kb, ratio))
-      else:
-        print("UNKNOWN ERROR")
-
-  def trim_licence(self, code):
-    """Strip out Google's and MIT's Apache licences.
-
-    JS Compiler preserves dozens of Apache licences in the Blockly code.
-    Remove these if they belong to Google or MIT.
-    MIT's permission to do this is logged in Blockly issue 2412.
-
-    Args:
-      code: Large blob of compiled source code.
-
-    Returns:
-      Code with Google's and MIT's Apache licences trimmed.
-    """
-    apache2 = re.compile("""/\\*
-
- (Copyright \\d+ (Google LLC|Massachusetts Institute of Technology))
-( All rights reserved.
-)? SPDX-License-Identifier: Apache-2.0
-\\*/""")
-    return re.sub(apache2, "", code)
-
-
-class Gen_langfiles(threading.Thread):
-  """Generate JavaScript file for each natural language supported.
-
-  Runs in a separate thread.
-  """
-
-  def __init__(self):
-    threading.Thread.__init__(self)
-
-  def run(self):
-    # The files msg/json/{en,qqq,synonyms}.json depend on msg/messages.js.
-    try:
-      subprocess.check_call([
-          "python",
-          os.path.join("scripts", "i18n", "js_to_json.py"),
-          "--input_file", "msg/messages.js",
-          "--output_dir", "msg/json/",
-          "--quiet"])
-    except (subprocess.CalledProcessError, OSError) as e:
-      # Documentation for subprocess.check_call says that CalledProcessError
-      # will be raised on failure, but I found that OSError is also possible.
-      print("Error running scripts/i18n/js_to_json.py: ", e)
-      sys.exit(1)
-
-    # Checking whether it is necessary to rebuild the js files would be a lot of
-    # work since we would have to compare each <lang>.json file with each
-    # <lang>.js file.  Rebuilding is easy and cheap, so just go ahead and do it.
-    try:
-      # Use create_messages.py to create .js files from .json files.
-      cmd = [
-          "python",
-          os.path.join("scripts", "i18n", "create_messages.py"),
-          "--source_lang_file", os.path.join("msg", "json", "en.json"),
-          "--source_synonym_file", os.path.join("msg", "json", "synonyms.json"),
-          "--source_constants_file", os.path.join("msg", "json", "constants.json"),
-          "--key_file", os.path.join("msg", "json", "keys.json"),
-          "--output_dir", os.path.join("msg", "js"),
-          "--quiet"]
-      json_files = glob.glob(os.path.join("msg", "json", "*.json"))
-      json_files = [file for file in json_files if not
-                    (file.endswith(("keys.json", "synonyms.json", "qqq.json", "constants.json")))]
-      cmd.extend(json_files)
-      subprocess.check_call(cmd)
-    except (subprocess.CalledProcessError, OSError) as e:
-      print("Error running scripts/i18n/create_messages.py: ", e)
-      sys.exit(1)
-
-    # Output list of .js files created.
-    for f in json_files:
-      # This assumes the path to the current directory does not contain "json".
-      f = f.replace("json", "js")
-      if os.path.isfile(f):
-        print("SUCCESS: " + f)
-      else:
-        print("FAILED to create " + f)
-
-# Class to hold arguments if user passes in old argument style.
-class Arguments:
-  def __init__(self):
-    self.core = False
-    self.generators = False
-    self.langfiles = False
-
-# Gets the command line arguments.
-def get_args():
-  parser = argparse.ArgumentParser(description="Decide which files to build.")
-  parser.add_argument('-core', action="store_true", default=False, help="Build core")
-  parser.add_argument('-generators', action="store_true", default=False, help="Build the generators")
-  parser.add_argument('-langfiles', action="store_true", default=False, help="Build all the language files")
-
-  # New argument style: ./build.py -core
-  # Old argument style: ./build.py core
-  # Changed as of July 2019.
-  try:
-    args = parser.parse_args()
-    if (not args.core) and (not args.generators) and (not args.langfiles):
-      # No arguments, use these defaults:
-      args.core = True
-      args.generators = True
-      args.langfiles = True
-  except SystemExit:
-    # Fall back to old argument style.
-    args = Arguments()
-    args.core = 'core' in sys.argv
-    args.generators = 'generators' in sys.argv
-    args.langfiles = 'langfiles' in sys.argv
-    if 'accessible' in sys.argv:
-      print("The Blockly accessibility demo has moved to https://github.com/google/blockly-experimental")
-  return args
-
-if __name__ == "__main__":
-  args = get_args()
-  calcdeps = import_path(os.path.join("closure", "bin", "calcdeps.py"))
-  full_search_paths = calcdeps.ExpandDirectories(["core", "closure"])
-  full_search_paths = sorted(full_search_paths)  # Deterministic build.
-
-  print("Deprecation Warning: (July 2020)\n This build script has been " +
-    "deprecated, please use 'npm run build' instead. \n The script will be " +
-    "removed from Blockly core in Q4 of 2020.\n")
-
-  # Uncompressed and compressed are run in parallel threads.
-  # Uncompressed is limited by processor speed.
-  if (args.core):
-    Gen_uncompressed(full_search_paths, 'blockly_uncompressed.js').start()
-
-  # Compressed is limited by network and server speed.
-  Gen_compressed(full_search_paths, args).start()
-
-  # This is run locally in a separate thread
-  if (args.langfiles):
-    Gen_langfiles().start()
diff --git a/closure/bin/calcdeps.py b/closure/bin/calcdeps.py
deleted file mode 100644
index 67e5e8d1574..00000000000
--- a/closure/bin/calcdeps.py
+++ /dev/null
@@ -1,325 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright 2006 The Closure Library Authors. All Rights Reserved.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS-IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-
-"""Calculates JavaScript dependencies without requiring Google's build system.
-
-It iterates over a number of search paths and builds a dependency tree.  With
-the inputs provided, it walks the dependency tree and outputs all the files
-required for compilation.
-"""
-
-
-import logging
-import os
-import re
-import sys
-
-
-_BASE_REGEX_STRING = '^\s*goog\.%s\(\s*[\'"](.+)[\'"]\s*\)'
-req_regex = re.compile(_BASE_REGEX_STRING % 'require')
-prov_regex = re.compile(_BASE_REGEX_STRING % 'provide')
-ns_regex = re.compile('^ns:((\w+\.)*(\w+))$')
-
-
-def IsValidFile(ref):
-  """Returns true if the provided reference is a file and exists."""
-  return os.path.isfile(ref)
-
-
-def IsJsFile(ref):
-  """Returns true if the provided reference is a JavaScript file."""
-  return ref.endswith('.js')
-
-
-def IsNamespace(ref):
-  """Returns true if the provided reference is a namespace."""
-  return re.match(ns_regex, ref) is not None
-
-
-def IsDirectory(ref):
-  """Returns true if the provided reference is a directory."""
-  return os.path.isdir(ref)
-
-
-def ExpandDirectories(refs):
-  """Expands any directory references into inputs.
-
-  Description:
-    Looks for any directories in the provided references.  Found directories
-    are recursively searched for .js files, which are then added to the result
-    list.
-
-  Args:
-    refs: a list of references such as files, directories, and namespaces
-
-  Returns:
-    A list of references with directories removed and replaced by any
-    .js files that are found in them. Also, the paths will be normalized.
-  """
-  result = []
-  for ref in refs:
-    if IsDirectory(ref):
-      # Disable 'Unused variable' for subdirs
-      # pylint: disable=unused-variable
-      for (directory, subdirs, filenames) in os.walk(ref):
-        for filename in filenames:
-          if IsJsFile(filename):
-            result.append(os.path.join(directory, filename))
-    else:
-      result.append(ref)
-  return map(os.path.normpath, result)
-
-
-class DependencyInfo(object):
-  """Represents a dependency that is used to build and walk a tree."""
-
-  def __init__(self, filename):
-    self.filename = filename
-    self.provides = []
-    self.requires = []
-
-  def __str__(self):
-    return '%s Provides: %s Requires: %s' % (self.filename,
-                                             repr(self.provides),
-                                             repr(self.requires))
-
-
-def BuildDependenciesFromFiles(files):
-  """Build a list of dependencies from a list of files.
-
-  Description:
-    Takes a list of files, extracts their provides and requires, and builds
-    out a list of dependency objects.
-
-  Args:
-    files: a list of files to be parsed for goog.provides and goog.requires.
-
-  Returns:
-    A list of dependency objects, one for each file in the files argument.
-  """
-  result = []
-  filenames = set()
-  for filename in files:
-    if filename in filenames:
-      continue
-
-    # Python 3 requires the file encoding to be specified
-    if (sys.version_info[0] < 3):
-      file_handle = open(filename, 'r')
-    else:
-      file_handle = open(filename, 'r', encoding='utf8')
-
-    try:
-      dep = CreateDependencyInfo(filename, file_handle)
-      result.append(dep)
-    finally:
-      file_handle.close()
-
-    filenames.add(filename)
-
-  return result
-
-
-def CreateDependencyInfo(filename, source):
-  """Create dependency info.
-
-  Args:
-    filename: Filename for source.
-    source: File-like object containing source.
-
-  Returns:
-    A DependencyInfo object with provides and requires filled.
-  """
-  dep = DependencyInfo(filename)
-  for line in source:
-    if re.match(req_regex, line):
-      dep.requires.append(re.search(req_regex, line).group(1))
-    if re.match(prov_regex, line):
-      dep.provides.append(re.search(prov_regex, line).group(1))
-  return dep
-
-
-def BuildDependencyHashFromDependencies(deps):
-  """Builds a hash for searching dependencies by the namespaces they provide.
-
-  Description:
-    Dependency objects can provide multiple namespaces.  This method enumerates
-    the provides of each dependency and adds them to a hash that can be used
-    to easily resolve a given dependency by a namespace it provides.
-
-  Args:
-    deps: a list of dependency objects used to build the hash.
-
-  Raises:
-    Exception: If a multiple files try to provide the same namepace.
-
-  Returns:
-    A hash table { namespace: dependency } that can be used to resolve a
-    dependency by a namespace it provides.
-  """
-  dep_hash = {}
-  for dep in deps:
-    for provide in dep.provides:
-      if provide in dep_hash:
-        raise Exception('Duplicate provide (%s) in (%s, %s)' % (
-            provide,
-            dep_hash[provide].filename,
-            dep.filename))
-      dep_hash[provide] = dep
-  return dep_hash
-
-
-def CalculateDependencies(paths, inputs):
-  """Calculates the dependencies for given inputs.
-
-  Description:
-    This method takes a list of paths (files, directories) and builds a
-    searchable data structure based on the namespaces that each .js file
-    provides.  It then parses through each input, resolving dependencies
-    against this data structure.  The final output is a list of files,
-    including the inputs, that represent all of the code that is needed to
-    compile the given inputs.
-
-  Args:
-    paths: the references (files, directories) that are used to build the
-      dependency hash.
-    inputs: the inputs (files, directories, namespaces) that have dependencies
-      that need to be calculated.
-
-  Raises:
-    Exception: if a provided input is invalid.
-
-  Returns:
-    A list of all files, including inputs, that are needed to compile the given
-    inputs.
-  """
-  deps = BuildDependenciesFromFiles(paths + inputs)
-  search_hash = BuildDependencyHashFromDependencies(deps)
-  result_list = []
-  seen_list = []
-  for input_file in inputs:
-    if IsNamespace(input_file):
-      namespace = re.search(ns_regex, input_file).group(1)
-      if namespace not in search_hash:
-        raise Exception('Invalid namespace (%s)' % namespace)
-      input_file = search_hash[namespace].filename
-    if not IsValidFile(input_file) or not IsJsFile(input_file):
-      raise Exception('Invalid file (%s)' % input_file)
-    seen_list.append(input_file)
-    file_handle = open(input_file, 'r')
-    try:
-      for line in file_handle:
-        if re.match(req_regex, line):
-          require = re.search(req_regex, line).group(1)
-          ResolveDependencies(require, search_hash, result_list, seen_list)
-    finally:
-      file_handle.close()
-    result_list.append(input_file)
-
-  return result_list
-
-
-def FindClosureBasePath(paths):
-  """Given a list of file paths, return Closure base.js path, if any.
-
-  Args:
-    paths: A list of paths.
-
-  Returns:
-    The path to Closure's base.js file including filename, if found.
-  """
-
-  for path in paths:
-    pathname, filename = os.path.split(path)
-
-    if filename == 'base.js':
-      f = open(path)
-
-      is_base = False
-
-      # Sanity check that this is the Closure base file.  Check that this
-      # is where goog is defined.  This is determined by the @provideGoog
-      # flag.
-      for line in f:
-        if '@provideGoog' in line:
-          is_base = True
-          break
-
-      f.close()
-
-      if is_base:
-        return path
-
-def ResolveDependencies(require, search_hash, result_list, seen_list):
-  """Takes a given requirement and resolves all of the dependencies for it.
-
-  Description:
-    A given requirement may require other dependencies.  This method
-    recursively resolves all dependencies for the given requirement.
-
-  Raises:
-    Exception: when require does not exist in the search_hash.
-
-  Args:
-    require: the namespace to resolve dependencies for.
-    search_hash: the data structure used for resolving dependencies.
-    result_list: a list of filenames that have been calculated as dependencies.
-      This variable is the output for this function.
-    seen_list: a list of filenames that have been 'seen'.  This is required
-      for the dependency->dependent ordering.
-  """
-  if require not in search_hash:
-    raise Exception('Missing provider for (%s)' % require)
-
-  dep = search_hash[require]
-  if not dep.filename in seen_list:
-    seen_list.append(dep.filename)
-    for sub_require in dep.requires:
-      ResolveDependencies(sub_require, search_hash, result_list, seen_list)
-    result_list.append(dep.filename)
-
-
-def GetDepsLine(dep, base_path):
-  """Returns a JS string for a dependency statement in the deps.js file.
-
-  Args:
-    dep: The dependency that we're printing.
-    base_path: The path to Closure's base.js including filename.
-  """
-  return 'goog.addDependency("%s", %s, %s);' % (
-      GetRelpath(dep.filename, base_path), dep.provides, dep.requires)
-
-
-def GetRelpath(path, start):
-  """Return a relative path to |path| from |start|."""
-  # NOTE: Python 2.6 provides os.path.relpath, which has almost the same
-  # functionality as this function. Since we want to support 2.4, we have
-  # to implement it manually. :(
-  path_list = os.path.abspath(os.path.normpath(path)).split(os.sep)
-  start_list = os.path.abspath(
-      os.path.normpath(os.path.dirname(start))).split(os.sep)
-
-  common_prefix_count = 0
-  for i in range(0, min(len(path_list), len(start_list))):
-    if path_list[i] != start_list[i]:
-      break
-    common_prefix_count += 1
-
-  # Always use forward slashes, because this will get expanded to a url,
-  # not a file path.
-  return '/'.join(['..'] * (len(start_list) - common_prefix_count) +
-                  path_list[common_prefix_count:])
diff --git a/closure/goog/base.js b/closure/goog/base.js
deleted file mode 100644
index 52a15dbcbdc..00000000000
--- a/closure/goog/base.js
+++ /dev/null
@@ -1,531 +0,0 @@
-// Copyright 2006 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS-IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-/**
- * @fileoverview Bootstrap for the Google JS Library (Closure).
- *
- * In uncompiled mode base.js will attempt to load Closure's deps file, unless
- * the global <code>CLOSURE_NO_DEPS</code> is set to true.  This allows projects
- * to include their own deps file(s) from different locations.
- *
- * Avoid including base.js more than once. This is strictly discouraged and not
- * supported. goog.require(...) won't work properly in that case.
- *
- * @provideGoog
- */
-
-
-/**
- * Base namespace for the Closure library.  Checks to see goog is already
- * defined in the current scope before assigning to prevent clobbering if
- * base.js is loaded more than once.
- *
- * @const
- */
-var goog = goog || {};
-
-/**
- * Reference to the global object.
- * https://www.ecma-international.org/ecma-262/9.0/index.html#sec-global-object
- *
- * More info on this implementation here:
- * https://docs.google.com/document/d/1NAeW4Wk7I7FV0Y2tcUFvQdGMc89k2vdgSXInw8_nvCI/edit
- *
- * @const
- * @suppress {undefinedVars} self won't be referenced unless `this` is falsy.
- * @type {!Global}
- */
-goog.global =
-    // Check `this` first for backwards compatibility.
-    // Valid unless running as an ES module or in a function wrapper called
-    //   without setting `this` properly.
-    // Note that base.js can't usefully be imported as an ES module, but it may
-    // be compiled into bundles that are loadable as ES modules.
-    this ||
-    // https://developer.mozilla.org/en-US/docs/Web/API/Window/self
-    // For in-page browser environments and workers.
-    self;
-
-/**
- * Builds an object structure for the provided namespace path, ensuring that
- * names that already exist are not overwritten. For example:
- * "a.b.c" -> a = {};a.b={};a.b.c={};
- * Used by goog.provide and goog.exportSymbol.
- * @param {string} name name of the object that this file defines.
- * @private
- */
-goog.exportPath_ = function(name) {
-  var parts = name.split('.');
-  var cur = goog.global;
-
-  // Internet Explorer exhibits strange behavior when throwing errors from
-  // methods externed in this manner.  See the testExportSymbolExceptions in
-  // base_test.html for an example.
-  if (!(parts[0] in cur) && typeof cur.execScript != 'undefined') {
-    cur.execScript('var ' + parts[0]);
-  }
-
-  for (var part; parts.length && (part = parts.shift());) {
-    if (cur[part] && cur[part] !== Object.prototype[part]) {
-      cur = cur[part];
-    } else {
-      cur = cur[part] = {};
-    }
-  }
-};
-
-/**
- * Defines a namespace in Closure.
- *
- * A namespace may only be defined once in a codebase. It may be defined using
- * goog.provide() or goog.module().
- *
- * The presence of one or more goog.provide() calls in a file indicates
- * that the file defines the given objects/namespaces.
- * Provided symbols must not be null or undefined.
- *
- * In addition, goog.provide() creates the object stubs for a namespace
- * (for example, goog.provide("goog.foo.bar") will create the object
- * goog.foo.bar if it does not already exist).
- *
- * Build tools also scan for provide/require/module statements
- * to discern dependencies, build dependency files (see deps.js), etc.
- *
- * @see goog.require
- * @see goog.module
- * @param {string} name Namespace provided by this file in the form
- *     "goog.package.part".
- */
-goog.provide = function(name) {
-  // Ensure that the same namespace isn't provided twice.
-  // A goog.module/goog.provide maps a goog.require to a specific file
-  if (goog.isProvided_(name)) {
-    throw Error('Namespace "' + name + '" already declared.');
-  }
-
-  delete goog.implicitNamespaces_[name];
-
-  var namespace = name;
-  while ((namespace = namespace.substring(0, namespace.lastIndexOf('.')))) {
-    if (goog.getObjectByName(namespace)) {
-      break;
-    }
-    goog.implicitNamespaces_[namespace] = true;
-  }
-
-  goog.exportPath_(name);
-};
-
-/**
- * @private {?{
- *   moduleName: (string|undefined),
- *   declareLegacyNamespace:boolean,
- *   type: ?goog.ModuleType
- * }}
- */
-goog.moduleLoaderState_ = null;
-
-/**
- * Check if the given name has been goog.provided. This will return false for
- * names that are available only as implicit namespaces.
- * @param {string} name name of the object to look for.
- * @return {boolean} Whether the name has been provided.
- * @private
- */
-goog.isProvided_ = function(name) {
-  return (!goog.implicitNamespaces_[name] &&
-       goog.isDefAndNotNull(goog.getObjectByName(name)));
-};
-
-/**
- * Namespaces implicitly defined by goog.provide. For example,
- * goog.provide('goog.events.Event') implicitly declares that 'goog' and
- * 'goog.events' must be namespaces.
- *
- * @type {!Object<string, (boolean|undefined)>}
- * @private
- */
-goog.implicitNamespaces_ = {};
-
-// NOTE: We add goog.module as an implicit namespace as goog.module is defined
-// here and because the existing module package has not been moved yet out of
-// the goog.module namespace. This satisfies both the debug loader and
-// ahead-of-time dependency management.
-
-
-/**
- * Returns an object based on its fully qualified external name.  The object
- * is not found if null or undefined.  If you are using a compilation pass that
- * renames property names beware that using this function will not find renamed
- * properties.
- *
- * @param {string} name The fully qualified name.
- * @param {Object=} opt_obj The object within which to look; default is
- *     |goog.global|.
- * @return {?} The value (object or primitive) or, if not found, null.
- */
-goog.getObjectByName = function(name, opt_obj) {
-  var parts = name.split('.');
-  var cur = opt_obj || goog.global;
-  for (var i = 0; i < parts.length; i++) {
-    cur = cur[parts[i]];
-    if (!goog.isDefAndNotNull(cur)) {
-      return null;
-    }
-  }
-  return cur;
-};
-
-
-/**
- * Adds a dependency from a file to the files it requires.
- * @param {string} relPath The path to the js file.
- * @param {!Array<string>} provides An array of strings with
- *     the names of the objects this file provides.
- * @param {!Array<string>} requires An array of strings with
- *     the names of the objects this file requires.
- */
-goog.addDependency = function(relPath, provides, requires) {
-  goog.debugLoader_.addDependency(relPath, provides, requires);
-};
-
-
-
-
-// NOTE(nnaze): The debug DOM loader was included in base.js as an original way
-// to do "debug-mode" development.  The dependency system can sometimes be
-// confusing, as can the debug DOM loader's asynchronous nature.
-//
-// With the DOM loader, a call to goog.require() is not blocking -- the script
-// will not load until some point after the current script.  If a namespace is
-// needed at runtime, it needs to be defined in a previous script, or loaded via
-// require() with its registered dependencies.
-//
-// User-defined namespaces may need their own deps file. For a reference on
-// creating a deps file, see:
-// Externally: https://developers.google.com/closure/library/docs/depswriter
-//
-// Because of legacy clients, the DOM loader can't be easily removed from
-// base.js.  Work was done to make it disableable or replaceable for
-// different environments (DOM-less JavaScript interpreters like Rhino or V8,
-// for example). See bootstrap/ for more information.
-
-
-/**
- * Implements a system for the dynamic resolution of dependencies that works in
- * parallel with the BUILD system.
- *
- * Note that all calls to goog.require will be stripped by the compiler.
- *
- * @see goog.provide
- * @param {string} namespace Namespace (as was given in goog.provide,
- *     goog.module, or goog.declareModuleId) in the form
- *     "goog.package.part".
- * @return {?} If called within a goog.module or ES6 module file, the associated
- *     namespace or module otherwise null.
- */
-goog.require = function(namespace) {
-  // If the object already exists we do not need to do anything.
-  if (!goog.isProvided_(namespace)) {
-    var moduleLoaderState = goog.moduleLoaderState_;
-    goog.moduleLoaderState_ = null;
-    try {
-      goog.debugLoader_.load_(namespace);
-    } finally {
-      goog.moduleLoaderState_ = moduleLoaderState;
-    }
-  }
-
-  return null;
-};
-
-/**
- * Requires a symbol for its type information. This is an indication to the
- * compiler that the symbol may appear in type annotations, yet it is not
- * referenced at runtime.
- *
- * When called within a goog.module or ES6 module file, the return value may be
- * assigned to or destructured into a variable, but it may not be otherwise used
- * in code outside of a type annotation.
- *
- * Note that all calls to goog.requireType will be stripped by the compiler.
- *
- * @param {string} namespace Namespace (as was given in goog.provide,
- *     goog.module, or goog.declareModuleId) in the form
- *     "goog.package.part".
- * @return {?}
- */
-goog.requireType = function(namespace) {
-  // Return an empty object so that single-level destructuring of the return
-  // value doesn't crash at runtime when using the debug loader. Multi-level
-  // destructuring isn't supported.
-  return {};
-};
-
-/**
- * Path for included scripts.
- * @type {string}
- */
-goog.basePath = '';
-
-/**
- * Normalize a file path by removing redundant ".." and extraneous "." file
- * path components.
- * @param {string} path
- * @return {string}
- * @private
- */
-goog.normalizePath_ = function(path) {
-  var components = path.split('/');
-  var i = 0;
-  while (i < components.length) {
-    if (components[i] == '.') {
-      components.splice(i, 1);
-    } else if (
-        i && components[i] == '..' && components[i - 1] &&
-        components[i - 1] != '..') {
-      components.splice(--i, 2);
-    } else {
-      i++;
-    }
-  }
-  return components.join('/');
-};
-
-
-//==============================================================================
-// Language Enhancements
-//==============================================================================
-
-
-/**
- * Returns true if the specified value is defined and not null.
- * @param {?} val Variable to test.
- * @return {boolean} Whether variable is defined and not null.
- */
-goog.isDefAndNotNull = function(val) {
-  // Note that undefined == null.
-  return val != null;
-};
-
-//==============================================================================
-// goog.defineClass implementation
-//==============================================================================
-
-
-// There's a bug in the compiler where without collapse properties the
-// Closure namespace defines do not guard code correctly. To help reduce code
-// size also check for !COMPILED even though it redundant until this is fixed.
-
-/**
- * Tries to detect the base path of base.js script that bootstraps Closure.
- * @private
- */
-goog.findBasePath_ = function() {
-  /** @type {!Document} */
-  var doc = goog.global.document;
-  // If we have a currentScript available, use it exclusively.
-  var currentScript = doc.currentScript;
-  if (currentScript) {
-    var scripts = [currentScript];
-  } else {
-    var scripts = doc.getElementsByTagName('SCRIPT');
-  }
-  // Search backwards since the current script is in almost all cases the one
-  // that has base.js.
-  for (var i = scripts.length - 1; i >= 0; --i) {
-    var script = /** @type {!HTMLScriptElement} */ (scripts[i]);
-    var src = script.src;
-    var qmark = src.lastIndexOf('?');
-    var l = qmark == -1 ? src.length : qmark;
-    if (src.substr(l - 7, 7) == 'base.js') {
-      goog.basePath = src.substr(0, l - 7);
-      return;
-    }
-  }
-};
-
-goog.findBasePath_();
-
-/**
- * A debug loader is responsible for downloading and executing javascript
- * files in an unbundled, uncompiled environment.
- *
- * @struct @constructor @final @private
- */
-goog.DebugLoader_ = function() {
-  /** @private @const {!Object<string, !goog.Dependency>} */
-  this.dependencies_ = {};
-  /** @private @const {!Object<string, string>} */
-  this.idToPath_ = {};
-  /** @private @const {!Object<string, boolean>} */
-  this.written_ = {};
-  /** @private {!Array<!goog.Dependency>} */
-  this.depsToLoad_ = [];
-};
-
-
-/**
- * Travserses the dependency graph and queues the given dependency, and all of
- * its transitive dependencies, for loading and then starts loading if not
- * paused.
- *
- * @param {string} namespace
- * @private
- */
-goog.DebugLoader_.prototype.load_ = function(namespace) {
-  if (!this.getPathFromDeps_(namespace)) {
-    throw Error('goog.require could not find: ' + namespace);
-  } else {
-    var loader = this;
-
-    var deps = [];
-
-    /** @param {string} namespace */
-    var visit = function(namespace) {
-      var path = loader.getPathFromDeps_(namespace);
-
-      if (!path) {
-        throw Error('Bad dependency path or symbol: ' + namespace);
-      }
-
-      if (loader.written_[path]) {
-        return;
-      }
-
-      loader.written_[path] = true;
-
-      var dep = loader.dependencies_[path];
-      for (var i = 0; i < dep.requires.length; i++) {
-        if (!goog.isProvided_(dep.requires[i])) {
-          visit(dep.requires[i]);
-        }
-      }
-
-      deps.push(dep);
-    };
-
-    visit(namespace);
-
-    var wasLoading = !!this.depsToLoad_.length;
-    this.depsToLoad_ = this.depsToLoad_.concat(deps);
-
-    if (!wasLoading) {
-      this.loadDeps_();
-    }
-  }
-};
-
-
-/**
- * Loads any queued dependencies until they are all loaded or paused.
- *
- * @private
- */
-goog.DebugLoader_.prototype.loadDeps_ = function() {
-  var loader = this;
-
-  while (this.depsToLoad_.length) {
-    (function() {
-      var loadCallDone = false;
-      var dep = loader.depsToLoad_.shift();
-
-      try {
-        dep.load();
-      } finally {
-        loadCallDone = true;
-      }
-    })();
-  }
-};
-
-
-/**
- * @param {string} absPathOrId
- * @return {?string}
- * @private
- */
-goog.DebugLoader_.prototype.getPathFromDeps_ = function(absPathOrId) {
-  return this.idToPath_[absPathOrId];
-};
-
-
-/**
- * Basic super class for all dependencies Closure Library can load.
- *
- * This default implementation is designed to load untranspiled, non-module
- * scripts in a web broswer.
- *
- * For transpiled non-goog.module files {@see goog.TranspiledDependency}.
- * For goog.modules see {@see goog.GoogModuleDependency}.
- * For untranspiled ES6 modules {@see goog.Es6ModuleDependency}.
- *
- * @param {string} path Absolute path of this script.
- * @param {!Array<string>} requires goog symbols or relative paths to Closure
- *     this depends on.
- * @struct @constructor
- */
-goog.Dependency = function(path, requires) {
-  /** @const */
-  this.path = path;
-  /** @const */
-  this.requires = requires;
-};
-
-/**
- * Map of script ready / state change callbacks. Old IE cannot handle putting
- * these properties on goog.global.
- *
- * @private @const {!Object<string, function(?):undefined>}
- */
-goog.Dependency.callbackMap_ = {};
-
-
-/**
- * Starts loading this dependency. This dependency can pause loading if it
- * needs to and resume it later via the controller interface.
- *
- * When this is loaded it should call controller.loaded(). Note that this will
- * end up calling the loaded method of this dependency; there is no need to
- * call it explicitly.
- */
-goog.Dependency.prototype.load = function() {
-  /** @type {!HTMLDocument} */
-  var doc = goog.global.document;
-  doc.write('<script src="' + this.path + '" type="text/javascript"><' +
-      '/script>');
-};
-
-
-/**
- * @param {string} relPath
- * @param {!Array<string>|undefined} provides
- * @param {!Array<string>} requires
- * @see goog.addDependency
- */
-goog.DebugLoader_.prototype.addDependency = function(
-    relPath, provides, requires) {
-  relPath = relPath.replace(/\\/g, '/');
-  var path = goog.normalizePath_(goog.basePath + relPath);
-  var dep = new goog.Dependency(path, requires);
-  this.dependencies_[path] = dep;
-  for (var i = 0; i < provides.length; i++) {
-    this.idToPath_[provides[i]] = path;
-  }
-  this.idToPath_[relPath] = path;
-};
-
-
-/** @private @const */
-goog.debugLoader_ = new goog.DebugLoader_();
diff --git a/core/any_aliases.ts b/core/any_aliases.ts
new file mode 100644
index 00000000000..b04621726db
--- /dev/null
+++ b/core/any_aliases.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// eslint-disable-next-line
+type AnyDuringMigration = any;
diff --git a/core/block.js b/core/block.js
deleted file mode 100644
index 6f51bc33f83..00000000000
--- a/core/block.js
+++ /dev/null
@@ -1,2010 +0,0 @@
-/**
- * @license
- * Copyright 2011 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The class representing one block.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Block');
-
-goog.require('Blockly.ASTNode');
-goog.require('Blockly.Blocks');
-goog.require('Blockly.Connection');
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockChange');
-goog.require('Blockly.Events.BlockCreate');
-goog.require('Blockly.Events.BlockDelete');
-goog.require('Blockly.Events.BlockMove');
-goog.require('Blockly.Extensions');
-goog.require('Blockly.fieldRegistry');
-goog.require('Blockly.Input');
-goog.require('Blockly.navigation');
-goog.require('Blockly.Tooltip');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.deprecation');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.string');
-goog.require('Blockly.Workspace');
-
-goog.requireType('Blockly.IASTNodeLocation');
-
-
-/**
- * Class for one block.
- * Not normally called directly, workspace.newBlock() is preferred.
- * @param {!Blockly.Workspace} workspace The block's workspace.
- * @param {!string} prototypeName Name of the language object containing
- *     type-specific functions for this block.
- * @param {string=} opt_id Optional ID.  Use this ID if provided, otherwise
- *     create a new ID.
- * @constructor
- * @implements {Blockly.IASTNodeLocation}
- * @throws When the prototypeName is not valid or not allowed.
- */
-Blockly.Block = function(workspace, prototypeName, opt_id) {
-  if (Blockly.Generator &&
-      typeof Blockly.Generator.prototype[prototypeName] != 'undefined') {
-    // Occluding Generator class members is not allowed.
-    throw Error('Block prototypeName "' + prototypeName +
-        '" conflicts with Blockly.Generator members.');
-  }
-
-  /** @type {string} */
-  this.id = (opt_id && !workspace.getBlockById(opt_id)) ?
-      opt_id : Blockly.utils.genUid();
-  workspace.setBlockById(this.id, this);
-  /** @type {Blockly.Connection} */
-  this.outputConnection = null;
-  /** @type {Blockly.Connection} */
-  this.nextConnection = null;
-  /** @type {Blockly.Connection} */
-  this.previousConnection = null;
-  /** @type {!Array.<!Blockly.Input>} */
-  this.inputList = [];
-  /** @type {boolean|undefined} */
-  this.inputsInline = undefined;
-  /**
-   * @type {boolean}
-   * @private
-   */
-  this.disabled = false;
-  /** @type {!Blockly.Tooltip.TipInfo} */
-  this.tooltip = '';
-  /** @type {boolean} */
-  this.contextMenu = true;
-
-  /**
-   * @type {Blockly.Block}
-   * @protected
-   */
-  this.parentBlock_ = null;
-
-  /**
-   * @type {!Array.<!Blockly.Block>}
-   * @protected
-   */
-  this.childBlocks_ = [];
-
-  /**
-   * @type {boolean}
-   * @private
-   */
-  this.deletable_ = true;
-
-  /**
-   * @type {boolean}
-   * @private
-   */
-  this.movable_ = true;
-
-  /**
-   * @type {boolean}
-   * @private
-   */
-  this.editable_ = true;
-
-  /**
-   * @type {boolean}
-   * @private
-   */
-  this.isShadow_ = false;
-
-  /**
-   * @type {boolean}
-   * @protected
-   */
-  this.collapsed_ = false;
-
-  /**
-   * @type {?number}
-   * @protected
-   */
-  this.outputShape_ = null;
-
-  /**
-   * A string representing the comment attached to this block.
-   * @type {string|Blockly.Comment}
-   * @deprecated August 2019. Use getCommentText instead.
-   */
-  this.comment = null;
-
-  /**
-   * A model of the comment attached to this block.
-   * @type {!Blockly.Block.CommentModel}
-   * @package
-   */
-  this.commentModel = {
-    text: null,
-    pinned: false,
-    size: new Blockly.utils.Size(160, 80)
-  };
-
-  /**
-   * The block's position in workspace units.  (0, 0) is at the workspace's
-   * origin; scale does not change this value.
-   * @type {!Blockly.utils.Coordinate}
-   * @private
-   */
-  this.xy_ = new Blockly.utils.Coordinate(0, 0);
-
-  /** @type {!Blockly.Workspace} */
-  this.workspace = workspace;
-  /** @type {boolean} */
-  this.isInFlyout = workspace.isFlyout;
-  /** @type {boolean} */
-  this.isInMutator = workspace.isMutator;
-
-  /** @type {boolean} */
-  this.RTL = workspace.RTL;
-
-  /**
-   * True if this block is an insertion marker.
-   * @type {boolean}
-   * @protected
-   */
-  this.isInsertionMarker_ = false;
-
-  /**
-   * Name of the type of hat.
-   * @type {string|undefined}
-   */
-  this.hat = undefined;
-
-  /** @type {?boolean} */
-  this.rendered = null;
-
-  /**
-   * A count of statement inputs on the block.
-   * @type {number}
-   * @package
-   */
-  this.statementInputCount = 0;
-
-  // Copy the type-specific functions and data from the prototype.
-  if (prototypeName) {
-    /** @type {string} */
-    this.type = prototypeName;
-    var prototype = Blockly.Blocks[prototypeName];
-    if (!prototype || typeof prototype != 'object') {
-      throw TypeError('Unknown block type: ' + prototypeName);
-    }
-    Blockly.utils.object.mixin(this, prototype);
-  }
-
-  workspace.addTopBlock(this);
-  workspace.addTypedBlock(this);
-
-  // All events fired should be part of the same group.
-  // Any events fired during init should not be undoable,
-  // so that block creation is atomic.
-  var existingGroup = Blockly.Events.getGroup();
-  if (!existingGroup) {
-    Blockly.Events.setGroup(true);
-  }
-  var initialUndoFlag = Blockly.Events.recordUndo;
-
-  try {
-    // Call an initialization function, if it exists.
-    if (typeof this.init == 'function') {
-      Blockly.Events.recordUndo = false;
-      this.init();
-      Blockly.Events.recordUndo = initialUndoFlag;
-    }
-
-    // Fire a create event.
-    if (Blockly.Events.isEnabled()) {
-      Blockly.Events.fire(new Blockly.Events.BlockCreate(this));
-    }
-
-  } finally {
-    if (!existingGroup) {
-      Blockly.Events.setGroup(false);
-    }
-    // In case init threw, recordUndo flag should still be reset.
-    Blockly.Events.recordUndo = initialUndoFlag;
-  }
-  
-  // Record initial inline state.
-  /** @type {boolean|undefined} */
-  this.inputsInlineDefault = this.inputsInline;
-
-  // Bind an onchange function, if it exists.
-  if (typeof this.onchange == 'function') {
-    this.setOnChange(this.onchange);
-  }
-};
-
-/**
- * @typedef {{
- *            text:?string,
- *            pinned:boolean,
- *            size:Blockly.utils.Size
- *          }}
- */
-Blockly.Block.CommentModel;
-
-/**
- * The language-neutral id given to the collapsed input.
- * @const {string}
- */
-Blockly.Block.COLLAPSED_INPUT_NAME = '_TEMP_COLLAPSED_INPUT';
-/**
- * The language-neutral id given to the collapsed field.
- * @const {string}
- */
-Blockly.Block.COLLAPSED_FIELD_NAME = '_TEMP_COLLAPSED_FIELD';
-
-/**
- * Optional text data that round-trips between blocks and XML.
- * Has no effect. May be used by 3rd parties for meta information.
- * @type {?string}
- */
-Blockly.Block.prototype.data = null;
-
-/**
- * Has this block been disposed of?
- * @type {boolean}
- * @package
- */
-Blockly.Block.prototype.disposed = false;
-
-/**
- * Colour of the block as HSV hue value (0-360)
- * This may be null if the block colour was not set via a hue number.
- * @type {?number}
- * @private
- */
-Blockly.Block.prototype.hue_ = null;
-
-/**
- * Colour of the block in '#RRGGBB' format.
- * @type {string}
- * @protected
- */
-Blockly.Block.prototype.colour_ = '#000000';
-
-/**
- * Name of the block style.
- * @type {?string}
- * @protected
- */
-Blockly.Block.prototype.styleName_ = null;
-
-/**
- * An optional method called during initialization.
- * @type {?function()}
- */
-Blockly.Block.prototype.init;
-
-/**
- * An optional callback method to use whenever the block's parent workspace
- * changes. This is usually only called from the constructor, the block type
- * initializer function, or an extension initializer function.
- * @type {?function(Blockly.Events.Abstract)}
- */
-Blockly.Block.prototype.onchange;
-
-/**
- * An optional serialization method for defining how to serialize the
- * mutation state. This must be coupled with defining `domToMutation`.
- * @type {?function(...):!Element}
- */
-Blockly.Block.prototype.mutationToDom;
-
-/**
- * An optional deserialization method for defining how to deserialize the
- * mutation state. This must be coupled with defining `mutationToDom`.
- * @type {?function(!Element)}
- */
-Blockly.Block.prototype.domToMutation;
-
-/**
- * An optional property for suppressing adding STATEMENT_PREFIX and
- * STATEMENT_SUFFIX to generated code.
- * @type {?boolean}
- */
-Blockly.Block.prototype.suppressPrefixSuffix;
-
-/**
- * An optional property for declaring developer variables.  Return a list of
- * variable names for use by generators.  Developer variables are never shown to
- * the user, but are declared as global variables in the generated code.
- * @type {?function():!Array.<string>}
- */
-Blockly.Block.prototype.getDeveloperVariables;
-
-/**
- * Dispose of this block.
- * @param {boolean} healStack If true, then try to heal any gap by connecting
- *     the next statement with the previous statement.  Otherwise, dispose of
- *     all children of this block.
- * @suppress {checkTypes}
- */
-Blockly.Block.prototype.dispose = function(healStack) {
-  if (!this.workspace) {
-    // Already deleted.
-    return;
-  }
-  // Terminate onchange event calls.
-  if (this.onchangeWrapper_) {
-    this.workspace.removeChangeListener(this.onchangeWrapper_);
-  }
-
-  this.unplug(healStack);
-  if (Blockly.Events.isEnabled()) {
-    Blockly.Events.fire(new Blockly.Events.BlockDelete(this));
-  }
-  Blockly.Events.disable();
-
-  try {
-    // This block is now at the top of the workspace.
-    // Remove this block from the workspace's list of top-most blocks.
-    if (this.workspace) {
-      this.workspace.removeTopBlock(this);
-      this.workspace.removeTypedBlock(this);
-      // Remove from block database.
-      this.workspace.removeBlockById(this.id);
-      this.workspace = null;
-    }
-
-    // Just deleting this block from the DOM would result in a memory leak as
-    // well as corruption of the connection database.  Therefore we must
-    // methodically step through the blocks and carefully disassemble them.
-
-    if (Blockly.selected == this) {
-      Blockly.selected = null;
-    }
-
-    // First, dispose of all my children.
-    for (var i = this.childBlocks_.length - 1; i >= 0; i--) {
-      this.childBlocks_[i].dispose(false);
-    }
-    // Then dispose of myself.
-    // Dispose of all inputs and their fields.
-    for (var i = 0, input; (input = this.inputList[i]); i++) {
-      input.dispose();
-    }
-    this.inputList.length = 0;
-    // Dispose of any remaining connections (next/previous/output).
-    var connections = this.getConnections_(true);
-    for (var i = 0, connection; (connection = connections[i]); i++) {
-      connection.dispose();
-    }
-  } finally {
-    Blockly.Events.enable();
-    this.disposed = true;
-  }
-};
-
-/**
- * Call initModel on all fields on the block.
- * May be called more than once.
- * Either initModel or initSvg must be called after creating a block and before
- * the first interaction with it.  Interactions include UI actions
- * (e.g. clicking and dragging) and firing events (e.g. create, delete, and
- * change).
- * @public
- */
-Blockly.Block.prototype.initModel = function() {
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    for (var j = 0, field; (field = input.fieldRow[j]); j++) {
-      if (field.initModel) {
-        field.initModel();
-      }
-    }
-  }
-};
-
-/**
- * Unplug this block from its superior block.  If this block is a statement,
- * optionally reconnect the block underneath with the block on top.
- * @param {boolean=} opt_healStack Disconnect child statement and reconnect
- *   stack.  Defaults to false.
- */
-Blockly.Block.prototype.unplug = function(opt_healStack) {
-  if (this.outputConnection) {
-    this.unplugFromRow_(opt_healStack);
-  } else if (this.previousConnection) {
-    this.unplugFromStack_(opt_healStack);
-  }
-};
-
-/**
- * Unplug this block's output from an input on another block.  Optionally
- * reconnect the block's parent to the only child block, if possible.
- * @param {boolean=} opt_healStack Disconnect right-side block and connect to
- *     left-side block.  Defaults to false.
- * @private
- */
-Blockly.Block.prototype.unplugFromRow_ = function(opt_healStack) {
-  var parentConnection = null;
-  if (this.outputConnection.isConnected()) {
-    parentConnection = this.outputConnection.targetConnection;
-    // Disconnect from any superior block.
-    this.outputConnection.disconnect();
-  }
-
-  // Return early in obvious cases.
-  if (!parentConnection || !opt_healStack) {
-    return;
-  }
-
-  var thisConnection = this.getOnlyValueConnection_();
-  if (!thisConnection ||
-      !thisConnection.isConnected() ||
-      thisConnection.targetBlock().isShadow()) {
-    // Too many or too few possible connections on this block, or there's
-    // nothing on the other side of this connection.
-    return;
-  }
-
-  var childConnection = thisConnection.targetConnection;
-  // Disconnect the child block.
-  childConnection.disconnect();
-  // Connect child to the parent if possible, otherwise bump away.
-  if (this.workspace.connectionChecker.canConnect(
-      childConnection, parentConnection, false)) {
-    parentConnection.connect(childConnection);
-  } else {
-    childConnection.onFailedConnect(parentConnection);
-  }
-};
-
-/**
- * Returns the connection on the value input that is connected to another block.
- * When an insertion marker is connected to a connection with a block already
- * attached, the connected block is attached to the insertion marker.
- * Since only one block can be displaced and attached to the insertion marker
- * this should only ever return one connection.
- *
- * @return {Blockly.Connection} The connection on the value input, or null.
- * @private
- */
-Blockly.Block.prototype.getOnlyValueConnection_ = function() {
-  var connection = null;
-  for (var i = 0; i < this.inputList.length; i++) {
-    var thisConnection = this.inputList[i].connection;
-    if (thisConnection && thisConnection.type == Blockly.INPUT_VALUE &&
-        thisConnection.targetConnection) {
-      if (connection) {
-        return null; // More than one value input found.
-      }
-      connection = thisConnection;
-    }
-  }
-  return connection;
-};
-
-/**
- * Unplug this statement block from its superior block.  Optionally reconnect
- * the block underneath with the block on top.
- * @param {boolean=} opt_healStack Disconnect child statement and reconnect
- *   stack.  Defaults to false.
- * @private
- */
-Blockly.Block.prototype.unplugFromStack_ = function(opt_healStack) {
-  var previousTarget = null;
-  if (this.previousConnection.isConnected()) {
-    // Remember the connection that any next statements need to connect to.
-    previousTarget = this.previousConnection.targetConnection;
-    // Detach this block from the parent's tree.
-    this.previousConnection.disconnect();
-  }
-  var nextBlock = this.getNextBlock();
-  if (opt_healStack && nextBlock && !nextBlock.isShadow()) {
-    // Disconnect the next statement.
-    var nextTarget = this.nextConnection.targetConnection;
-    nextTarget.disconnect();
-    if (previousTarget &&
-        this.workspace.connectionChecker.canConnect(
-            previousTarget, nextTarget, false)) {
-      // Attach the next statement to the previous statement.
-      previousTarget.connect(nextTarget);
-    }
-  }
-};
-
-/**
- * Returns all connections originating from this block.
- * @param {boolean} _all If true, return all connections even hidden ones.
- * @return {!Array.<!Blockly.Connection>} Array of connections.
- * @package
- */
-Blockly.Block.prototype.getConnections_ = function(_all) {
-  var myConnections = [];
-  if (this.outputConnection) {
-    myConnections.push(this.outputConnection);
-  }
-  if (this.previousConnection) {
-    myConnections.push(this.previousConnection);
-  }
-  if (this.nextConnection) {
-    myConnections.push(this.nextConnection);
-  }
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    if (input.connection) {
-      myConnections.push(input.connection);
-    }
-  }
-  return myConnections;
-};
-
-/**
- * Walks down a stack of blocks and finds the last next connection on the stack.
- * @return {Blockly.Connection} The last next connection on the stack, or null.
- * @package
- */
-Blockly.Block.prototype.lastConnectionInStack = function() {
-  var nextConnection = this.nextConnection;
-  while (nextConnection) {
-    var nextBlock = nextConnection.targetBlock();
-    if (!nextBlock) {
-      // Found a next connection with nothing on the other side.
-      return nextConnection;
-    }
-    nextConnection = nextBlock.nextConnection;
-  }
-  // Ran out of next connections.
-  return null;
-};
-
-/**
- * Bump unconnected blocks out of alignment.  Two blocks which aren't actually
- * connected should not coincidentally line up on screen.
- */
-Blockly.Block.prototype.bumpNeighbours = function() {
-  console.warn('Not expected to reach Block.bumpNeighbours function. ' +
-      'BlockSvg.bumpNeighbours was expected to be called instead.');
-};
-
-/**
- * Return the parent block or null if this block is at the top level. The parent
- * block is either the block connected to the previous connection (for a statement
- * block) or the block connected to the output connection (for a value block).
- * @return {Blockly.Block} The block that holds the current block.
- */
-Blockly.Block.prototype.getParent = function() {
-  // Look at the DOM to see if we are nested in another block.
-  return this.parentBlock_;
-};
-
-/**
- * Return the input that connects to the specified block.
- * @param {!Blockly.Block} block A block connected to an input on this block.
- * @return {Blockly.Input} The input that connects to the specified block.
- */
-Blockly.Block.prototype.getInputWithBlock = function(block) {
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    if (input.connection && input.connection.targetBlock() == block) {
-      return input;
-    }
-  }
-  return null;
-};
-
-/**
- * Return the parent block that surrounds the current block, or null if this
- * block has no surrounding block.  A parent block might just be the previous
- * statement, whereas the surrounding block is an if statement, while loop, etc.
- * @return {Blockly.Block} The block that surrounds the current block.
- */
-Blockly.Block.prototype.getSurroundParent = function() {
-  var block = this;
-  do {
-    var prevBlock = block;
-    block = block.getParent();
-    if (!block) {
-      // Ran off the top.
-      return null;
-    }
-  } while (block.getNextBlock() == prevBlock);
-  // This block is an enclosing parent, not just a statement in a stack.
-  return block;
-};
-
-/**
- * Return the next statement block directly connected to this block.
- * @return {Blockly.Block} The next statement block or null.
- */
-Blockly.Block.prototype.getNextBlock = function() {
-  return this.nextConnection && this.nextConnection.targetBlock();
-};
-
-/**
- * Returns the block connected to the previous connection.
- * @return {Blockly.Block} The previous statement block or null.
- */
-Blockly.Block.prototype.getPreviousBlock = function() {
-  return this.previousConnection && this.previousConnection.targetBlock();
-};
-
-/**
- * Return the connection on the first statement input on this block, or null if
- * there are none.
- * @return {Blockly.Connection} The first statement connection or null.
- * @package
- */
-Blockly.Block.prototype.getFirstStatementConnection = function() {
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    if (input.connection && input.connection.type == Blockly.NEXT_STATEMENT) {
-      return input.connection;
-    }
-  }
-  return null;
-};
-
-/**
- * Return the top-most block in this block's tree.
- * This will return itself if this block is at the top level.
- * @return {!Blockly.Block} The root block.
- */
-Blockly.Block.prototype.getRootBlock = function() {
-  var rootBlock;
-  var block = this;
-  do {
-    rootBlock = block;
-    block = rootBlock.parentBlock_;
-  } while (block);
-  return rootBlock;
-};
-
-/**
- * Walk up from the given block up through the stack of blocks to find
- * the top block of the sub stack. If we are nested in a statement input only
- * find the top-most nested block. Do not go all the way to the root block.
- * @return {!Blockly.Block} The top block in a stack.
- * @package
- */
-Blockly.Block.prototype.getTopStackBlock = function() {
-  var block = this;
-  do {
-    var previous = block.getPreviousBlock();
-  } while (previous && previous.getNextBlock() == block && (block = previous));
-  return block;
-};
-
-/**
- * Find all the blocks that are directly nested inside this one.
- * Includes value and statement inputs, as well as any following statement.
- * Excludes any connection on an output tab or any preceding statement.
- * Blocks are optionally sorted by position; top to bottom.
- * @param {boolean} ordered Sort the list if true.
- * @return {!Array.<!Blockly.Block>} Array of blocks.
- */
-Blockly.Block.prototype.getChildren = function(ordered) {
-  if (!ordered) {
-    return this.childBlocks_;
-  }
-  var blocks = [];
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    if (input.connection) {
-      var child = input.connection.targetBlock();
-      if (child) {
-        blocks.push(child);
-      }
-    }
-  }
-  var next = this.getNextBlock();
-  if (next) {
-    blocks.push(next);
-  }
-  return blocks;
-};
-
-/**
- * Set parent of this block to be a new block or null.
- * @param {Blockly.Block} newParent New parent block.
- */
-Blockly.Block.prototype.setParent = function(newParent) {
-  if (newParent == this.parentBlock_) {
-    return;
-  }
-  if (this.parentBlock_) {
-    // Remove this block from the old parent's child list.
-    Blockly.utils.arrayRemove(this.parentBlock_.childBlocks_, this);
-
-    // Disconnect from superior blocks.
-    if (this.previousConnection && this.previousConnection.isConnected()) {
-      throw Error('Still connected to previous block.');
-    }
-    if (this.outputConnection && this.outputConnection.isConnected()) {
-      throw Error('Still connected to parent block.');
-    }
-    this.parentBlock_ = null;
-    // This block hasn't actually moved on-screen, so there's no need to update
-    // its connection locations.
-  } else {
-    // Remove this block from the workspace's list of top-most blocks.
-    this.workspace.removeTopBlock(this);
-  }
-
-  this.parentBlock_ = newParent;
-  if (newParent) {
-    // Add this block to the new parent's child list.
-    newParent.childBlocks_.push(this);
-  } else {
-    this.workspace.addTopBlock(this);
-  }
-};
-
-/**
- * Find all the blocks that are directly or indirectly nested inside this one.
- * Includes this block in the list.
- * Includes value and statement inputs, as well as any following statements.
- * Excludes any connection on an output tab or any preceding statements.
- * Blocks are optionally sorted by position; top to bottom.
- * @param {boolean} ordered Sort the list if true.
- * @return {!Array.<!Blockly.Block>} Flattened array of blocks.
- */
-Blockly.Block.prototype.getDescendants = function(ordered) {
-  var blocks = [this];
-  var childBlocks = this.getChildren(ordered);
-  for (var child, i = 0; (child = childBlocks[i]); i++) {
-    blocks.push.apply(blocks, child.getDescendants(ordered));
-  }
-  return blocks;
-};
-
-/**
- * Get whether this block is deletable or not.
- * @return {boolean} True if deletable.
- */
-Blockly.Block.prototype.isDeletable = function() {
-  return this.deletable_ && !this.isShadow_ &&
-      !(this.workspace && this.workspace.options.readOnly);
-};
-
-/**
- * Set whether this block is deletable or not.
- * @param {boolean} deletable True if deletable.
- */
-Blockly.Block.prototype.setDeletable = function(deletable) {
-  this.deletable_ = deletable;
-};
-
-/**
- * Get whether this block is movable or not.
- * @return {boolean} True if movable.
- */
-Blockly.Block.prototype.isMovable = function() {
-  return this.movable_ && !this.isShadow_ &&
-      !(this.workspace && this.workspace.options.readOnly);
-};
-
-/**
- * Set whether this block is movable or not.
- * @param {boolean} movable True if movable.
- */
-Blockly.Block.prototype.setMovable = function(movable) {
-  this.movable_ = movable;
-};
-
-/**
- * Get whether is block is duplicatable or not. If duplicating this block and
- * descendants will put this block over the workspace's capacity this block is
- * not duplicatable. If duplicating this block and descendants will put any
- * type over their maxInstances this block is not duplicatable.
- * @return {boolean} True if duplicatable.
- */
-Blockly.Block.prototype.isDuplicatable = function() {
-  if (!this.workspace.hasBlockLimits()) {
-    return true;
-  }
-  return this.workspace.isCapacityAvailable(
-      Blockly.utils.getBlockTypeCounts(this, true));
-};
-
-/**
- * Get whether this block is a shadow block or not.
- * @return {boolean} True if a shadow.
- */
-Blockly.Block.prototype.isShadow = function() {
-  return this.isShadow_;
-};
-
-/**
- * Set whether this block is a shadow block or not.
- * @param {boolean} shadow True if a shadow.
- */
-Blockly.Block.prototype.setShadow = function(shadow) {
-  this.isShadow_ = shadow;
-};
-
-/**
- * Get whether this block is an insertion marker block or not.
- * @return {boolean} True if an insertion marker.
- * @package
- */
-Blockly.Block.prototype.isInsertionMarker = function() {
-  return this.isInsertionMarker_;
-};
-
-/**
- * Set whether this block is an insertion marker block or not.
- * Once set this cannot be unset.
- * @param {boolean} insertionMarker True if an insertion marker.
- * @package
- */
-Blockly.Block.prototype.setInsertionMarker = function(insertionMarker) {
-  this.isInsertionMarker_ = insertionMarker;
-};
-
-/**
- * Get whether this block is editable or not.
- * @return {boolean} True if editable.
- */
-Blockly.Block.prototype.isEditable = function() {
-  return this.editable_ && !(this.workspace && this.workspace.options.readOnly);
-};
-
-/**
- * Set whether this block is editable or not.
- * @param {boolean} editable True if editable.
- */
-Blockly.Block.prototype.setEditable = function(editable) {
-  this.editable_ = editable;
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    for (var j = 0, field; (field = input.fieldRow[j]); j++) {
-      field.updateEditable();
-    }
-  }
-};
-
-/**
- * Returns if this block has been disposed of / deleted.
- * @return {boolean} True if this block has been disposed of / deleted.
- */
-Blockly.Block.prototype.isDisposed = function() {
-  return this.disposed;
-};
-
-/**
- * Find the connection on this block that corresponds to the given connection
- * on the other block.
- * Used to match connections between a block and its insertion marker.
- * @param {!Blockly.Block} otherBlock The other block to match against.
- * @param {!Blockly.Connection} conn The other connection to match.
- * @return {Blockly.Connection} The matching connection on this block, or null.
- * @package
- */
-Blockly.Block.prototype.getMatchingConnection = function(otherBlock, conn) {
-  var connections = this.getConnections_(true);
-  var otherConnections = otherBlock.getConnections_(true);
-  if (connections.length != otherConnections.length) {
-    throw Error("Connection lists did not match in length.");
-  }
-  for (var i = 0; i < otherConnections.length; i++) {
-    if (otherConnections[i] == conn) {
-      return connections[i];
-    }
-  }
-  return null;
-};
-
-/**
- * Set the URL of this block's help page.
- * @param {string|Function} url URL string for block help, or function that
- *     returns a URL.  Null for no help.
- */
-Blockly.Block.prototype.setHelpUrl = function(url) {
-  this.helpUrl = url;
-};
-
-/**
- * Sets the tooltip for this block.
- * @param {!Blockly.Tooltip.TipInfo} newTip The text for the tooltip, a function
- *     that returns the text for the tooltip, or a parent object whose tooltip
- *     will be used. To not display a tooltip pass the empty string.
- */
-Blockly.Block.prototype.setTooltip = function(newTip) {
-  this.tooltip = newTip;
-};
-
-/**
- * Returns the tooltip text for this block.
- * @returns {!string} The tooltip text for this block.
- */
-Blockly.Block.prototype.getTooltip = function() {
-  return Blockly.Tooltip.getTooltipOfObject(this);
-};
-
-/**
- * Get the colour of a block.
- * @return {string} #RRGGBB string.
- */
-Blockly.Block.prototype.getColour = function() {
-  return this.colour_;
-};
-
-/**
- * Get the name of the block style.
- * @return {?string} Name of the block style.
- */
-Blockly.Block.prototype.getStyleName = function() {
-  return this.styleName_;
-};
-
-/**
- * Get the HSV hue value of a block.  Null if hue not set.
- * @return {?number} Hue value (0-360).
- */
-Blockly.Block.prototype.getHue = function() {
-  return this.hue_;
-};
-
-/**
- * Change the colour of a block.
- * @param {number|string} colour HSV hue value (0 to 360), #RRGGBB string,
- *     or a message reference string pointing to one of those two values.
- */
-Blockly.Block.prototype.setColour = function(colour) {
-  var parsed = Blockly.utils.parseBlockColour(colour);
-  this.hue_ = parsed.hue;
-  this.colour_ = parsed.hex;
-};
-
-/**
- * Set the style and colour values of a block.
- * @param {string} blockStyleName Name of the block style
- */
-Blockly.Block.prototype.setStyle = function(blockStyleName) {
-  this.styleName_ = blockStyleName;
-};
-
-/**
- * Sets a callback function to use whenever the block's parent workspace
- * changes, replacing any prior onchange handler. This is usually only called
- * from the constructor, the block type initializer function, or an extension
- * initializer function.
- * @param {function(Blockly.Events.Abstract)} onchangeFn The callback to call
- *     when the block's workspace changes.
- * @throws {Error} if onchangeFn is not falsey and not a function.
- */
-Blockly.Block.prototype.setOnChange = function(onchangeFn) {
-  if (onchangeFn && typeof onchangeFn != 'function') {
-    throw Error('onchange must be a function.');
-  }
-  if (this.onchangeWrapper_) {
-    this.workspace.removeChangeListener(this.onchangeWrapper_);
-  }
-  this.onchange = onchangeFn;
-  if (this.onchange) {
-    this.onchangeWrapper_ = onchangeFn.bind(this);
-    this.workspace.addChangeListener(this.onchangeWrapper_);
-  }
-};
-
-/**
- * Returns the named field from a block.
- * @param {string} name The name of the field.
- * @return {Blockly.Field} Named field, or null if field does not exist.
- */
-Blockly.Block.prototype.getField = function(name) {
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    for (var j = 0, field; (field = input.fieldRow[j]); j++) {
-      if (field.name == name) {
-        return field;
-      }
-    }
-  }
-  return null;
-};
-
-/**
- * Return all variables referenced by this block.
- * @return {!Array.<string>} List of variable names.
- */
-Blockly.Block.prototype.getVars = function() {
-  var vars = [];
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    for (var j = 0, field; (field = input.fieldRow[j]); j++) {
-      if (field.referencesVariables()) {
-        vars.push(field.getValue());
-      }
-    }
-  }
-  return vars;
-};
-
-/**
- * Return all variables referenced by this block.
- * @return {!Array.<!Blockly.VariableModel>} List of variable models.
- * @package
- */
-Blockly.Block.prototype.getVarModels = function() {
-  var vars = [];
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    for (var j = 0, field; (field = input.fieldRow[j]); j++) {
-      if (field.referencesVariables()) {
-        var model = this.workspace.getVariableById(
-            /** @type {string} */ (field.getValue()));
-        // Check if the variable actually exists (and isn't just a potential
-        // variable).
-        if (model) {
-          vars.push(model);
-        }
-      }
-    }
-  }
-  return vars;
-};
-
-/**
- * Notification that a variable is renaming but keeping the same ID.  If the
- * variable is in use on this block, rerender to show the new name.
- * @param {!Blockly.VariableModel} variable The variable being renamed.
- * @package
- */
-Blockly.Block.prototype.updateVarName = function(variable) {
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    for (var j = 0, field; (field = input.fieldRow[j]); j++) {
-      if (field.referencesVariables() &&
-          variable.getId() == field.getValue()) {
-        field.refreshVariableName();
-      }
-    }
-  }
-};
-
-/**
- * Notification that a variable is renaming.
- * If the ID matches one of this block's variables, rename it.
- * @param {string} oldId ID of variable to rename.
- * @param {string} newId ID of new variable.  May be the same as oldId, but with
- *     an updated name.
- */
-Blockly.Block.prototype.renameVarById = function(oldId, newId) {
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    for (var j = 0, field; (field = input.fieldRow[j]); j++) {
-      if (field.referencesVariables() &&
-          oldId == field.getValue()) {
-        field.setValue(newId);
-      }
-    }
-  }
-};
-
-/**
- * Returns the language-neutral value of the given field.
- * @param {string} name The name of the field.
- * @return {*} Value of the field or null if field does not exist.
- */
-Blockly.Block.prototype.getFieldValue = function(name) {
-  var field = this.getField(name);
-  if (field) {
-    return field.getValue();
-  }
-  return null;
-};
-
-/**
- * Sets the value of the given field for this block.
- * @param {*} newValue The value to set.
- * @param {!string} name The name of the field to set the value of.
- */
-Blockly.Block.prototype.setFieldValue = function(newValue, name) {
-  var field = this.getField(name);
-  if (!field) {
-    throw Error('Field "' + name + '" not found.');
-  }
-  field.setValue(newValue);
-};
-
-/**
- * Set whether this block can chain onto the bottom of another block.
- * @param {boolean} newBoolean True if there can be a previous statement.
- * @param {(string|Array.<string>|null)=} opt_check Statement type or
- *     list of statement types.  Null/undefined if any type could be connected.
- */
-Blockly.Block.prototype.setPreviousStatement = function(newBoolean, opt_check) {
-  if (newBoolean) {
-    if (opt_check === undefined) {
-      opt_check = null;
-    }
-    if (!this.previousConnection) {
-      if (this.outputConnection) {
-        throw Error('Remove output connection prior to adding previous ' +
-            'connection.');
-      }
-      this.previousConnection =
-          this.makeConnection_(Blockly.PREVIOUS_STATEMENT);
-    }
-    this.previousConnection.setCheck(opt_check);
-  } else {
-    if (this.previousConnection) {
-      if (this.previousConnection.isConnected()) {
-        throw Error('Must disconnect previous statement before removing ' +
-            'connection.');
-      }
-      this.previousConnection.dispose();
-      this.previousConnection = null;
-    }
-  }
-};
-
-/**
- * Set whether another block can chain onto the bottom of this block.
- * @param {boolean} newBoolean True if there can be a next statement.
- * @param {(string|Array.<string>|null)=} opt_check Statement type or
- *     list of statement types.  Null/undefined if any type could be connected.
- */
-Blockly.Block.prototype.setNextStatement = function(newBoolean, opt_check) {
-  if (newBoolean) {
-    if (opt_check === undefined) {
-      opt_check = null;
-    }
-    if (!this.nextConnection) {
-      this.nextConnection = this.makeConnection_(Blockly.NEXT_STATEMENT);
-    }
-    this.nextConnection.setCheck(opt_check);
-  } else {
-    if (this.nextConnection) {
-      if (this.nextConnection.isConnected()) {
-        throw Error('Must disconnect next statement before removing ' +
-            'connection.');
-      }
-      this.nextConnection.dispose();
-      this.nextConnection = null;
-    }
-  }
-};
-
-/**
- * Set whether this block returns a value.
- * @param {boolean} newBoolean True if there is an output.
- * @param {(string|Array.<string>|null)=} opt_check Returned type or list
- *     of returned types.  Null or undefined if any type could be returned
- *     (e.g. variable get).
- */
-Blockly.Block.prototype.setOutput = function(newBoolean, opt_check) {
-  if (newBoolean) {
-    if (opt_check === undefined) {
-      opt_check = null;
-    }
-    if (!this.outputConnection) {
-      if (this.previousConnection) {
-        throw Error('Remove previous connection prior to adding output ' +
-            'connection.');
-      }
-      this.outputConnection = this.makeConnection_(Blockly.OUTPUT_VALUE);
-    }
-    this.outputConnection.setCheck(opt_check);
-  } else {
-    if (this.outputConnection) {
-      if (this.outputConnection.isConnected()) {
-        throw Error('Must disconnect output value before removing connection.');
-      }
-      this.outputConnection.dispose();
-      this.outputConnection = null;
-    }
-  }
-};
-
-/**
- * Set whether value inputs are arranged horizontally or vertically.
- * @param {boolean} newBoolean True if inputs are horizontal.
- */
-Blockly.Block.prototype.setInputsInline = function(newBoolean) {
-  if (this.inputsInline != newBoolean) {
-    Blockly.Events.fire(new Blockly.Events.BlockChange(
-        this, 'inline', null, this.inputsInline, newBoolean));
-    this.inputsInline = newBoolean;
-  }
-};
-
-/**
- * Get whether value inputs are arranged horizontally or vertically.
- * @return {boolean} True if inputs are horizontal.
- */
-Blockly.Block.prototype.getInputsInline = function() {
-  if (this.inputsInline != undefined) {
-    // Set explicitly.
-    return this.inputsInline;
-  }
-  // Not defined explicitly.  Figure out what would look best.
-  for (var i = 1; i < this.inputList.length; i++) {
-    if (this.inputList[i - 1].type == Blockly.DUMMY_INPUT &&
-        this.inputList[i].type == Blockly.DUMMY_INPUT) {
-      // Two dummy inputs in a row.  Don't inline them.
-      return false;
-    }
-  }
-  for (var i = 1; i < this.inputList.length; i++) {
-    if (this.inputList[i - 1].type == Blockly.INPUT_VALUE &&
-        this.inputList[i].type == Blockly.DUMMY_INPUT) {
-      // Dummy input after a value input.  Inline them.
-      return true;
-    }
-  }
-  return false;
-};
-
-/**
- * Set the block's output shape.
- * @param {?number} outputShape Value representing an output shape.
- */
-Blockly.Block.prototype.setOutputShape = function(outputShape) {
-  this.outputShape_ = outputShape;
-};
-
-/**
- * Get the block's output shape.
- * @return {?number} Value representing output shape if one exists.
- */
-Blockly.Block.prototype.getOutputShape = function() {
-  return this.outputShape_;
-};
-
-/**
- * Set whether the block is disabled or not.
- * @param {boolean} disabled True if disabled.
- * @deprecated May 2019
- */
-Blockly.Block.prototype.setDisabled = function(disabled) {
-  Blockly.utils.deprecation.warn(
-      'Block.prototype.setDisabled',
-      'May 2019',
-      'May 2020',
-      'Block.prototype.setEnabled');
-  this.setEnabled(!disabled);
-};
-
-/**
- * Get whether this block is enabled or not.
- * @return {boolean} True if enabled.
- */
-Blockly.Block.prototype.isEnabled = function() {
-  return !this.disabled;
-};
-
-/**
- * Set whether the block is enabled or not.
- * @param {boolean} enabled True if enabled.
- */
-Blockly.Block.prototype.setEnabled = function(enabled) {
-  if (this.isEnabled() != enabled) {
-    Blockly.Events.fire(new Blockly.Events.BlockChange(
-        this, 'disabled', null, this.disabled, !enabled));
-    this.disabled = !enabled;
-  }
-};
-
-/**
- * Get whether the block is disabled or not due to parents.
- * The block's own disabled property is not considered.
- * @return {boolean} True if disabled.
- */
-Blockly.Block.prototype.getInheritedDisabled = function() {
-  var ancestor = this.getSurroundParent();
-  while (ancestor) {
-    if (ancestor.disabled) {
-      return true;
-    }
-    ancestor = ancestor.getSurroundParent();
-  }
-  // Ran off the top.
-  return false;
-};
-
-/**
- * Get whether the block is collapsed or not.
- * @return {boolean} True if collapsed.
- */
-Blockly.Block.prototype.isCollapsed = function() {
-  return this.collapsed_;
-};
-
-/**
- * Set whether the block is collapsed or not.
- * @param {boolean} collapsed True if collapsed.
- */
-Blockly.Block.prototype.setCollapsed = function(collapsed) {
-  if (this.collapsed_ != collapsed) {
-    Blockly.Events.fire(new Blockly.Events.BlockChange(
-        this, 'collapsed', null, this.collapsed_, collapsed));
-    this.collapsed_ = collapsed;
-  }
-};
-
-/**
- * Create a human-readable text representation of this block and any children.
- * @param {number=} opt_maxLength Truncate the string to this length.
- * @param {string=} opt_emptyToken The placeholder string used to denote an
- *     empty field. If not specified, '?' is used.
- * @return {string} Text of block.
- */
-Blockly.Block.prototype.toString = function(opt_maxLength, opt_emptyToken) {
-  var text = [];
-  var emptyFieldPlaceholder = opt_emptyToken || '?';
-
-  // Temporarily set flag to navigate to all fields.
-  var prevNavigateFields = Blockly.ASTNode.NAVIGATE_ALL_FIELDS;
-  Blockly.ASTNode.NAVIGATE_ALL_FIELDS = true;
-
-  var node = Blockly.ASTNode.createBlockNode(this);
-  var rootNode = node;
-
-  /**
-   * Whether or not to add parentheses around an input.
-   * @param {!Blockly.Connection} connection The connection.
-   * @return {boolean} True if we should add parentheses around the input.
-   */
-  function shouldAddParentheses(connection) {
-    var checks = connection.getCheck();
-    if (!checks && connection.targetConnection) {
-      checks = connection.targetConnection.getCheck();
-    }
-    return !!checks && (checks.indexOf('Boolean') != -1 ||
-        checks.indexOf('Number') != -1);
-  }
-
-  /**
-   * Check that we haven't circled back to the original root node.
-   */
-  function checkRoot() {
-    if (node && node.getType() == rootNode.getType() &&
-        node.getLocation() == rootNode.getLocation()) {
-      node = null;
-    }
-  }
-
-  // Traverse the AST building up our text string.
-  while (node) {
-    switch (node.getType()) {
-      case Blockly.ASTNode.types.INPUT:
-        var connection = /** @type {!Blockly.Connection} */ (node.getLocation());
-        if (!node.in()) {
-          text.push(emptyFieldPlaceholder);
-        } else if (shouldAddParentheses(connection)) {
-          text.push('(');
-        }
-        break;
-      case Blockly.ASTNode.types.FIELD:
-        var field = /** @type {Blockly.Field} */ (node.getLocation());
-        if (field.name != Blockly.Block.COLLAPSED_FIELD_NAME) {
-          text.push(field.getText());
-        }
-        break;
-    }
-
-    var current = node;
-    node = current.in() || current.next();
-    if (!node) {
-      // Can't go in or next, keep going out until we can go next.
-      node = current.out();
-      checkRoot();
-      while (node && !node.next()) {
-        node = node.out();
-        checkRoot();
-        // If we hit an input on the way up, possibly close out parentheses.
-        if (node && node.getType() == Blockly.ASTNode.types.INPUT &&
-            shouldAddParentheses(
-                /** @type {!Blockly.Connection} */ (node.getLocation()))) {
-          text.push(')');
-        }
-      }
-      if (node) {
-        node = node.next();
-      }
-    }
-  }
-
-  // Restore state of NAVIGATE_ALL_FIELDS.
-  Blockly.ASTNode.NAVIGATE_ALL_FIELDS = prevNavigateFields;
-
-  // Run through our text array and simplify expression to remove parentheses
-  // around single field blocks.
-  for (var i = 2, l = text.length; i < l; i++) {
-    if (text[i - 2] == '(' && text[i] == ')') {
-      text[i - 2] = text[i - 1];
-      text.splice(i - 1, 2);
-      l -= 2;
-    }
-  }
-
-  // Join the text array, removing spaces around added paranthesis.
-  text = text.join(' ').replace(/(\() | (\))/gmi, '$1$2').trim() || '???';
-  if (opt_maxLength) {
-    // TODO: Improve truncation so that text from this block is given priority.
-    // E.g. "1+2+3+4+5+6+7+8+9=0" should be "...6+7+8+9=0", not "1+2+3+4+5...".
-    // E.g. "1+2+3+4+5=6+7+8+9+0" should be "...4+5=6+7...".
-    if (text.length > opt_maxLength) {
-      text = text.substring(0, opt_maxLength - 3) + '...';
-    }
-  }
-  return text;
-};
-
-/**
- * Shortcut for appending a value input row.
- * @param {string} name Language-neutral identifier which may used to find this
- *     input again.  Should be unique to this block.
- * @return {!Blockly.Input} The input object created.
- */
-Blockly.Block.prototype.appendValueInput = function(name) {
-  return this.appendInput_(Blockly.INPUT_VALUE, name);
-};
-
-/**
- * Shortcut for appending a statement input row.
- * @param {string} name Language-neutral identifier which may used to find this
- *     input again.  Should be unique to this block.
- * @return {!Blockly.Input} The input object created.
- */
-Blockly.Block.prototype.appendStatementInput = function(name) {
-  return this.appendInput_(Blockly.NEXT_STATEMENT, name);
-};
-
-/**
- * Shortcut for appending a dummy input row.
- * @param {string=} opt_name Language-neutral identifier which may used to find
- *     this input again.  Should be unique to this block.
- * @return {!Blockly.Input} The input object created.
- */
-Blockly.Block.prototype.appendDummyInput = function(opt_name) {
-  return this.appendInput_(Blockly.DUMMY_INPUT, opt_name || '');
-};
-
-/**
- * Initialize this block using a cross-platform, internationalization-friendly
- * JSON description.
- * @param {!Object} json Structured data describing the block.
- */
-Blockly.Block.prototype.jsonInit = function(json) {
-  var warningPrefix = json['type'] ? 'Block "' + json['type'] + '": ' : '';
-
-  // Validate inputs.
-  if (json['output'] && json['previousStatement']) {
-    throw Error(warningPrefix +
-        'Must not have both an output and a previousStatement.');
-  }
-
-  // Set basic properties of block.
-  // Makes styles backward compatible with old way of defining hat style.
-  if (json['style'] && json['style'].hat) {
-    this.hat = json['style'].hat;
-    // Must set to null so it doesn't error when checking for style and colour.
-    json['style'] = null;
-  }
-
-  if (json['style'] && json['colour']) {
-    throw Error(warningPrefix + 'Must not have both a colour and a style.');
-  } else if (json['style']) {
-    this.jsonInitStyle_(json, warningPrefix);
-  } else {
-    this.jsonInitColour_(json, warningPrefix);
-  }
-
-  // Interpolate the message blocks.
-  var i = 0;
-  while (json['message' + i] !== undefined) {
-    this.interpolate_(json['message' + i], json['args' + i] || [],
-        json['lastDummyAlign' + i], warningPrefix);
-    i++;
-  }
-
-  if (json['inputsInline'] !== undefined) {
-    this.setInputsInline(json['inputsInline']);
-  }
-  // Set output and previous/next connections.
-  if (json['output'] !== undefined) {
-    this.setOutput(true, json['output']);
-  }
-  if (json['outputShape'] !== undefined) {
-    this.setOutputShape(json['outputShape']);
-  }
-  if (json['previousStatement'] !== undefined) {
-    this.setPreviousStatement(true, json['previousStatement']);
-  }
-  if (json['nextStatement'] !== undefined) {
-    this.setNextStatement(true, json['nextStatement']);
-  }
-  if (json['tooltip'] !== undefined) {
-    var rawValue = json['tooltip'];
-    var localizedText = Blockly.utils.replaceMessageReferences(rawValue);
-    this.setTooltip(localizedText);
-  }
-  if (json['enableContextMenu'] !== undefined) {
-    var rawValue = json['enableContextMenu'];
-    this.contextMenu = !!rawValue;
-  }
-  if (json['helpUrl'] !== undefined) {
-    var rawValue = json['helpUrl'];
-    var localizedValue = Blockly.utils.replaceMessageReferences(rawValue);
-    this.setHelpUrl(localizedValue);
-  }
-  if (typeof json['extensions'] == 'string') {
-    console.warn(
-        warningPrefix + 'JSON attribute \'extensions\' should be an array of' +
-        ' strings. Found raw string in JSON for \'' + json['type'] +
-        '\' block.');
-    json['extensions'] = [json['extensions']];  // Correct and continue.
-  }
-
-  // Add the mutator to the block
-  if (json['mutator'] !== undefined) {
-    Blockly.Extensions.apply(json['mutator'], this, true);
-  }
-
-  if (Array.isArray(json['extensions'])) {
-    var extensionNames = json['extensions'];
-    for (var j = 0; j < extensionNames.length; ++j) {
-      var extensionName = extensionNames[j];
-      Blockly.Extensions.apply(extensionName, this, false);
-    }
-  }
-};
-
-/**
- * Initialize the colour of this block from the JSON description.
- * @param {!Object} json Structured data describing the block.
- * @param {string} warningPrefix Warning prefix string identifying block.
- * @private
- */
-Blockly.Block.prototype.jsonInitColour_ = function(json, warningPrefix) {
-  if ('colour' in json) {
-    if (json['colour'] === undefined) {
-      console.warn(warningPrefix + 'Undefined colour value.');
-    } else {
-      var rawValue = json['colour'];
-      try {
-        this.setColour(rawValue);
-      } catch (e) {
-        console.warn(warningPrefix + 'Illegal colour value: ', rawValue);
-      }
-    }
-  }
-};
-
-/**
- * Initialize the style of this block from the JSON description.
- * @param {!Object} json Structured data describing the block.
- * @param {string} warningPrefix Warning prefix string identifying block.
- * @private
- */
-Blockly.Block.prototype.jsonInitStyle_ = function(json, warningPrefix) {
-  var blockStyleName = json['style'];
-  try {
-    this.setStyle(blockStyleName);
-  } catch (styleError) {
-    console.warn(warningPrefix + 'Style does not exist: ', blockStyleName);
-  }
-};
-
-/**
- * Add key/values from mixinObj to this block object. By default, this method
- * will check that the keys in mixinObj will not overwrite existing values in
- * the block, including prototype values. This provides some insurance against
- * mixin / extension incompatibilities with future block features. This check
- * can be disabled by passing true as the second argument.
- * @param {!Object} mixinObj The key/values pairs to add to this block object.
- * @param {boolean=} opt_disableCheck Option flag to disable overwrite checks.
- */
-Blockly.Block.prototype.mixin = function(mixinObj, opt_disableCheck) {
-  if (opt_disableCheck !== undefined && typeof opt_disableCheck != 'boolean') {
-    throw Error('opt_disableCheck must be a boolean if provided');
-  }
-  if (!opt_disableCheck) {
-    var overwrites = [];
-    for (var key in mixinObj) {
-      if (this[key] !== undefined) {
-        overwrites.push(key);
-      }
-    }
-    if (overwrites.length) {
-      throw Error('Mixin will overwrite block members: ' +
-          JSON.stringify(overwrites));
-    }
-  }
-  Blockly.utils.object.mixin(this, mixinObj);
-};
-
-/**
- * Interpolate a message description onto the block.
- * @param {string} message Text contains interpolation tokens (%1, %2, ...)
- *     that match with fields or inputs defined in the args array.
- * @param {!Array} args Array of arguments to be interpolated.
- * @param {string|undefined} lastDummyAlign If a dummy input is added at the
- *     end, how should it be aligned?
- * @param {string} warningPrefix Warning prefix string identifying block.
- * @private
- */
-Blockly.Block.prototype.interpolate_ = function(message, args, lastDummyAlign,
-    warningPrefix) {
-  var tokens = Blockly.utils.tokenizeInterpolation(message);
-  // Interpolate the arguments.  Build a list of elements.
-  var indexDup = [];
-  var indexCount = 0;
-  var elements = [];
-  for (var i = 0; i < tokens.length; i++) {
-    var token = tokens[i];
-    if (typeof token == 'number') {
-      if (token <= 0 || token > args.length) {
-        throw Error('Block "' + this.type + '": ' +
-            'Message index %' + token + ' out of range.');
-      }
-      if (indexDup[token]) {
-        throw Error('Block "' + this.type + '": ' +
-            'Message index %' + token + ' duplicated.');
-      }
-      indexDup[token] = true;
-      indexCount++;
-      elements.push(args[token - 1]);
-    } else {
-      token = token.trim();
-      if (token) {
-        elements.push(token);
-      }
-    }
-  }
-  if (indexCount != args.length) {
-    throw Error('Block "' + this.type + '": ' +
-        'Message does not reference all ' + args.length + ' arg(s).');
-  }
-  // Add last dummy input if needed.
-  if (elements.length && (typeof elements[elements.length - 1] == 'string' ||
-      Blockly.utils.string.startsWith(
-          elements[elements.length - 1]['type'], 'field_'))) {
-    var dummyInput = {type: 'input_dummy'};
-    if (lastDummyAlign) {
-      dummyInput['align'] = lastDummyAlign;
-    }
-    elements.push(dummyInput);
-  }
-  // Lookup of alignment constants.
-  var alignmentLookup = {
-    'LEFT': Blockly.ALIGN_LEFT,
-    'RIGHT': Blockly.ALIGN_RIGHT,
-    'CENTRE': Blockly.ALIGN_CENTRE,
-    'CENTER': Blockly.ALIGN_CENTRE
-  };
-  // Populate block with inputs and fields.
-  var fieldStack = [];
-  for (var i = 0; i < elements.length; i++) {
-    var element = elements[i];
-    if (typeof element == 'string') {
-      fieldStack.push([element, undefined]);
-    } else {
-      var field = null;
-      var input = null;
-      do {
-        var altRepeat = false;
-        if (typeof element == 'string') {
-          field = new Blockly.FieldLabel(element);
-        } else {
-          switch (element['type']) {
-            case 'input_value':
-              input = this.appendValueInput(element['name']);
-              break;
-            case 'input_statement':
-              input = this.appendStatementInput(element['name']);
-              break;
-            case 'input_dummy':
-              input = this.appendDummyInput(element['name']);
-              break;
-            default:
-              // This should handle all field JSON parsing, including
-              // options that can be applied to any field type.
-              field = Blockly.fieldRegistry.fromJson(element);
-
-              // Unknown field.
-              if (!field && element['alt']) {
-                element = element['alt'];
-                altRepeat = true;
-              }
-          }
-        }
-      } while (altRepeat);
-      if (field) {
-        fieldStack.push([field, element['name']]);
-      } else if (input) {
-        if (element['check']) {
-          input.setCheck(element['check']);
-        }
-        if (element['align']) {
-          var alignment = alignmentLookup[element['align'].toUpperCase()];
-          if (alignment === undefined) {
-            console.warn(warningPrefix + 'Illegal align value: ',
-                element['align']);
-          } else {
-            input.setAlign(alignment);
-          }
-        }
-        for (var j = 0; j < fieldStack.length; j++) {
-          input.appendField(fieldStack[j][0], fieldStack[j][1]);
-        }
-        fieldStack.length = 0;
-      }
-    }
-  }
-};
-
-/**
- * Add a value input, statement input or local variable to this block.
- * @param {number} type Either Blockly.INPUT_VALUE or Blockly.NEXT_STATEMENT or
- *     Blockly.DUMMY_INPUT.
- * @param {string} name Language-neutral identifier which may used to find this
- *     input again.  Should be unique to this block.
- * @return {!Blockly.Input} The input object created.
- * @protected
- */
-Blockly.Block.prototype.appendInput_ = function(type, name) {
-  var connection = null;
-  if (type == Blockly.INPUT_VALUE || type == Blockly.NEXT_STATEMENT) {
-    connection = this.makeConnection_(type);
-  }
-  if (type == Blockly.NEXT_STATEMENT) {
-    this.statementInputCount++;
-  }
-  var input = new Blockly.Input(type, name, this, connection);
-  // Append input to list.
-  this.inputList.push(input);
-  return input;
-};
-
-/**
- * Move a named input to a different location on this block.
- * @param {string} name The name of the input to move.
- * @param {?string} refName Name of input that should be after the moved input,
- *   or null to be the input at the end.
- */
-Blockly.Block.prototype.moveInputBefore = function(name, refName) {
-  if (name == refName) {
-    return;
-  }
-  // Find both inputs.
-  var inputIndex = -1;
-  var refIndex = refName ? -1 : this.inputList.length;
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    if (input.name == name) {
-      inputIndex = i;
-      if (refIndex != -1) {
-        break;
-      }
-    } else if (refName && input.name == refName) {
-      refIndex = i;
-      if (inputIndex != -1) {
-        break;
-      }
-    }
-  }
-  if (inputIndex == -1) {
-    throw Error('Named input "' + name + '" not found.');
-  }
-  if (refIndex == -1) {
-    throw Error('Reference input "' + refName + '" not found.');
-  }
-  this.moveNumberedInputBefore(inputIndex, refIndex);
-};
-
-/**
- * Move a numbered input to a different location on this block.
- * @param {number} inputIndex Index of the input to move.
- * @param {number} refIndex Index of input that should be after the moved input.
- */
-Blockly.Block.prototype.moveNumberedInputBefore = function(
-    inputIndex, refIndex) {
-  // Validate arguments.
-  if (inputIndex == refIndex) {
-    throw Error('Can\'t move input to itself.');
-  }
-  if (inputIndex >= this.inputList.length) {
-    throw RangeError('Input index ' + inputIndex + ' out of bounds.');
-  }
-  if (refIndex > this.inputList.length) {
-    throw RangeError('Reference input ' + refIndex + ' out of bounds.');
-  }
-  // Remove input.
-  var input = this.inputList[inputIndex];
-  this.inputList.splice(inputIndex, 1);
-  if (inputIndex < refIndex) {
-    refIndex--;
-  }
-  // Reinsert input.
-  this.inputList.splice(refIndex, 0, input);
-};
-
-/**
- * Remove an input from this block.
- * @param {string} name The name of the input.
- * @param {boolean=} opt_quiet True to prevent an error if input is not present.
- * @return {boolean} True if operation succeeds, false if input is not present and opt_quiet is true
- * @throws {Error} if the input is not present and opt_quiet is not true.
- */
-Blockly.Block.prototype.removeInput = function(name, opt_quiet) {
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    if (input.name == name) {
-      if (input.type == Blockly.NEXT_STATEMENT) {
-        this.statementInputCount--;
-      }
-      input.dispose();
-      this.inputList.splice(i, 1);
-      return true;
-    }
-  }
-  if (opt_quiet) {
-    return false;
-  } else {
-    throw Error('Input not found: ' + name);
-  }
-};
-
-/**
- * Fetches the named input object.
- * @param {string} name The name of the input.
- * @return {Blockly.Input} The input object, or null if input does not exist.
- */
-Blockly.Block.prototype.getInput = function(name) {
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    if (input.name == name) {
-      return input;
-    }
-  }
-  // This input does not exist.
-  return null;
-};
-
-/**
- * Fetches the block attached to the named input.
- * @param {string} name The name of the input.
- * @return {Blockly.Block} The attached value block, or null if the input is
- *     either disconnected or if the input does not exist.
- */
-Blockly.Block.prototype.getInputTargetBlock = function(name) {
-  var input = this.getInput(name);
-  return input && input.connection && input.connection.targetBlock();
-};
-
-/**
- * Returns the comment on this block (or null if there is no comment).
- * @return {?string} Block's comment.
- */
-Blockly.Block.prototype.getCommentText = function() {
-  return this.commentModel.text;
-};
-
-/**
- * Set this block's comment text.
- * @param {?string} text The text, or null to delete.
- */
-Blockly.Block.prototype.setCommentText = function(text) {
-  if (this.commentModel.text == text) {
-    return;
-  }
-  Blockly.Events.fire(new Blockly.Events.BlockChange(
-      this, 'comment', null, this.commentModel.text, text));
-  this.commentModel.text = text;
-  this.comment = text;  // For backwards compatibility.
-};
-
-/**
- * Set this block's warning text.
- * @param {?string} _text The text, or null to delete.
- * @param {string=} _opt_id An optional ID for the warning text to be able to
- *     maintain multiple warnings.
- */
-Blockly.Block.prototype.setWarningText = function(_text, _opt_id) {
-  // NOP.
-};
-
-/**
- * Give this block a mutator dialog.
- * @param {Blockly.Mutator} _mutator A mutator dialog instance or null to
- *     remove.
- */
-Blockly.Block.prototype.setMutator = function(_mutator) {
-  // NOP.
-};
-
-/**
- * Return the coordinates of the top-left corner of this block relative to the
- * drawing surface's origin (0,0), in workspace units.
- * @return {!Blockly.utils.Coordinate} Object with .x and .y properties.
- */
-Blockly.Block.prototype.getRelativeToSurfaceXY = function() {
-  return this.xy_;
-};
-
-/**
- * Move a block by a relative offset.
- * @param {number} dx Horizontal offset, in workspace units.
- * @param {number} dy Vertical offset, in workspace units.
- */
-Blockly.Block.prototype.moveBy = function(dx, dy) {
-  if (this.parentBlock_) {
-    throw Error('Block has parent.');
-  }
-  var event = new Blockly.Events.BlockMove(this);
-  this.xy_.translate(dx, dy);
-  event.recordNew();
-  Blockly.Events.fire(event);
-};
-
-/**
- * Create a connection of the specified type.
- * @param {number} type The type of the connection to create.
- * @return {!Blockly.Connection} A new connection of the specified type.
- * @protected
- */
-Blockly.Block.prototype.makeConnection_ = function(type) {
-  return new Blockly.Connection(this, type);
-};
-
-/**
- * Recursively checks whether all statement and value inputs are filled with
- * blocks. Also checks all following statement blocks in this stack.
- * @param {boolean=} opt_shadowBlocksAreFilled An optional argument controlling
- *     whether shadow blocks are counted as filled. Defaults to true.
- * @return {boolean} True if all inputs are filled, false otherwise.
- */
-Blockly.Block.prototype.allInputsFilled = function(opt_shadowBlocksAreFilled) {
-  // Account for the shadow block filledness toggle.
-  if (opt_shadowBlocksAreFilled === undefined) {
-    opt_shadowBlocksAreFilled = true;
-  }
-  if (!opt_shadowBlocksAreFilled && this.isShadow()) {
-    return false;
-  }
-
-  // Recursively check each input block of the current block.
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    if (!input.connection) {
-      continue;
-    }
-    var target = input.connection.targetBlock();
-    if (!target || !target.allInputsFilled(opt_shadowBlocksAreFilled)) {
-      return false;
-    }
-  }
-
-  // Recursively check the next block after the current block.
-  var next = this.getNextBlock();
-  if (next) {
-    return next.allInputsFilled(opt_shadowBlocksAreFilled);
-  }
-
-  return true;
-};
-
-/**
- * This method returns a string describing this Block in developer terms (type
- * name and ID; English only).
- *
- * Intended to on be used in console logs and errors. If you need a string that
- * uses the user's native language (including block text, field values, and
- * child blocks), use [toString()]{@link Blockly.Block#toString}.
- * @return {string} The description.
- */
-Blockly.Block.prototype.toDevString = function() {
-  var msg = this.type ? '"' + this.type + '" block' : 'Block';
-  if (this.id) {
-    msg += ' (id="' + this.id + '")';
-  }
-  return msg;
-};
diff --git a/core/block.ts b/core/block.ts
new file mode 100644
index 00000000000..52191d63c3c
--- /dev/null
+++ b/core/block.ts
@@ -0,0 +1,2520 @@
+/**
+ * @license
+ * Copyright 2011 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * The class representing one block.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Block
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_block_change.js';
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_block_create.js';
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_block_delete.js';
+
+import {Blocks} from './blocks.js';
+import * as common from './common.js';
+import {Connection} from './connection.js';
+import {ConnectionType} from './connection_type.js';
+import * as constants from './constants.js';
+import {DuplicateIconType} from './icons/exceptions.js';
+import type {Abstract} from './events/events_abstract.js';
+import type {BlockChange} from './events/events_block_change.js';
+import type {BlockMove} from './events/events_block_move.js';
+import * as deprecation from './utils/deprecation.js';
+import * as eventUtils from './events/utils.js';
+import * as Extensions from './extensions.js';
+import type {Field} from './field.js';
+import * as fieldRegistry from './field_registry.js';
+import {Input} from './inputs/input.js';
+import {Align} from './inputs/align.js';
+import type {IASTNodeLocation} from './interfaces/i_ast_node_location.js';
+import {type IIcon} from './interfaces/i_icon.js';
+import {isCommentIcon} from './interfaces/i_comment_icon.js';
+import type {MutatorIcon} from './icons/mutator_icon.js';
+import * as Tooltip from './tooltip.js';
+import * as arrayUtils from './utils/array.js';
+import {Coordinate} from './utils/coordinate.js';
+import * as idGenerator from './utils/idgenerator.js';
+import * as parsing from './utils/parsing.js';
+import * as registry from './registry.js';
+import {Size} from './utils/size.js';
+import type {VariableModel} from './variable_model.js';
+import type {Workspace} from './workspace.js';
+import {DummyInput} from './inputs/dummy_input.js';
+import {EndRowInput} from './inputs/end_row_input.js';
+import {ValueInput} from './inputs/value_input.js';
+import {StatementInput} from './inputs/statement_input.js';
+import {IconType} from './icons/icon_types.js';
+
+/**
+ * Class for one block.
+ * Not normally called directly, workspace.newBlock() is preferred.
+ */
+export class Block implements IASTNodeLocation {
+  /**
+   * An optional callback method to use whenever the block's parent workspace
+   * changes. This is usually only called from the constructor, the block type
+   * initializer function, or an extension initializer function.
+   */
+  onchange?: ((p1: Abstract) => void) | null;
+
+  /** The language-neutral ID given to the collapsed input. */
+  static readonly COLLAPSED_INPUT_NAME: string = constants.COLLAPSED_INPUT_NAME;
+
+  /** The language-neutral ID given to the collapsed field. */
+  static readonly COLLAPSED_FIELD_NAME: string = constants.COLLAPSED_FIELD_NAME;
+
+  /**
+   * Optional text data that round-trips between blocks and XML.
+   * Has no effect. May be used by 3rd parties for meta information.
+   */
+  data: string | null = null;
+
+  /**
+   * Has this block been disposed of?
+   *
+   * @internal
+   */
+  disposed = false;
+
+  /**
+   * Colour of the block as HSV hue value (0-360)
+   * This may be null if the block colour was not set via a hue number.
+   */
+  private hue_: number | null = null;
+
+  /** Colour of the block in '#RRGGBB' format. */
+  protected colour_ = '#000000';
+
+  /** Name of the block style. */
+  protected styleName_ = '';
+
+  /** An optional method called during initialization. */
+  init?: () => void;
+
+  /** An optional method called during disposal. */
+  destroy?: () => void;
+
+  /**
+   * An optional serialization method for defining how to serialize the
+   * mutation state to XML. This must be coupled with defining
+   * `domToMutation`.
+   */
+  mutationToDom?: (...p1: AnyDuringMigration[]) => Element;
+
+  /**
+   * An optional deserialization method for defining how to deserialize the
+   * mutation state from XML. This must be coupled with defining
+   * `mutationToDom`.
+   */
+  domToMutation?: (p1: Element) => void;
+
+  /**
+   * An optional serialization method for defining how to serialize the
+   * block's extra state (eg mutation state) to something JSON compatible.
+   * This must be coupled with defining `loadExtraState`.
+   *
+   * @param doFullSerialization Whether or not to serialize the full state of
+   *     the extra state (rather than possibly saving a reference to some
+   *     state). This is used during copy-paste. See the
+   *     {@link https://developers.devsite.google.com/blockly/guides/create-custom-blocks/extensions#full_serialization_and_backing_data | block serialization docs}
+   *     for more information.
+   */
+  saveExtraState?: (doFullSerialization?: boolean) => AnyDuringMigration;
+
+  /**
+   * An optional serialization method for defining how to deserialize the
+   * block's extra state (eg mutation state) from something JSON compatible.
+   * This must be coupled with defining `saveExtraState`.
+   */
+  loadExtraState?: (p1: AnyDuringMigration) => void;
+
+  /**
+   * An optional property for suppressing adding STATEMENT_PREFIX and
+   * STATEMENT_SUFFIX to generated code.
+   */
+  suppressPrefixSuffix: boolean | null = false;
+
+  /**
+   * An optional property for declaring developer variables.  Return a list of
+   * variable names for use by generators.  Developer variables are never
+   * shown to the user, but are declared as global variables in the generated
+   * code.
+   */
+  getDeveloperVariables?: () => string[];
+
+  /**
+   * An optional function that reconfigures the block based on the contents of
+   * the mutator dialog.
+   */
+  compose?: (p1: Block) => void;
+
+  /**
+   * An optional function that populates the mutator's dialog with
+   * this block's components.
+   */
+  decompose?: (p1: Workspace) => Block;
+  id: string;
+  outputConnection: Connection | null = null;
+  nextConnection: Connection | null = null;
+  previousConnection: Connection | null = null;
+  inputList: Input[] = [];
+  inputsInline?: boolean;
+  icons: IIcon[] = [];
+  private disabledReasons = new Set<string>();
+  tooltip: Tooltip.TipInfo = '';
+  contextMenu = true;
+
+  protected parentBlock_: this | null = null;
+
+  protected childBlocks_: this[] = [];
+
+  private deletable_ = true;
+
+  private movable_ = true;
+
+  private editable_ = true;
+
+  private isShadow_ = false;
+
+  protected collapsed_ = false;
+  protected outputShape_: number | null = null;
+
+  /**
+   * Is the current block currently in the process of being disposed?
+   */
+  protected disposing = false;
+
+  /**
+   * Has this block been fully initialized? E.g. all fields initailized.
+   *
+   * @internal
+   */
+  initialized = false;
+
+  private readonly xy_: Coordinate;
+  isInFlyout: boolean;
+  isInMutator: boolean;
+  RTL: boolean;
+
+  /** True if this block is an insertion marker. */
+  protected isInsertionMarker_ = false;
+
+  /** Name of the type of hat. */
+  hat?: string;
+
+  /** Is this block a BlockSVG? */
+  readonly rendered: boolean = false;
+
+  /**
+   * String for block help, or function that returns a URL. Null for no help.
+   */
+  helpUrl: string | Function | null = null;
+
+  /** A bound callback function to use when the parent workspace changes. */
+  private onchangeWrapper_: ((p1: Abstract) => void) | null = null;
+
+  /**
+   * A count of statement inputs on the block.
+   *
+   * @internal
+   */
+  statementInputCount = 0;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  type!: string;
+  // Record initial inline state.
+  inputsInlineDefault?: boolean;
+  workspace: Workspace;
+
+  /**
+   * @param workspace The block's workspace.
+   * @param prototypeName Name of the language object containing type-specific
+   *     functions for this block.
+   * @param opt_id Optional ID.  Use this ID if provided, otherwise create a new
+   *     ID.
+   * @throws When the prototypeName is not valid or not allowed.
+   */
+  constructor(workspace: Workspace, prototypeName: string, opt_id?: string) {
+    this.workspace = workspace;
+
+    this.id =
+      opt_id && !workspace.getBlockById(opt_id) ? opt_id : idGenerator.genUid();
+    workspace.setBlockById(this.id, this);
+
+    /**
+     * The block's position in workspace units.  (0, 0) is at the workspace's
+     * origin; scale does not change this value.
+     */
+    this.xy_ = new Coordinate(0, 0);
+    this.isInFlyout = workspace.isFlyout;
+    this.isInMutator = workspace.isMutator;
+
+    this.RTL = workspace.RTL;
+
+    // Copy the type-specific functions and data from the prototype.
+    if (prototypeName) {
+      this.type = prototypeName;
+      const prototype = Blocks[prototypeName];
+      if (!prototype || typeof prototype !== 'object') {
+        throw TypeError('Invalid block definition for type: ' + prototypeName);
+      }
+      Object.assign(this, prototype);
+    }
+
+    workspace.addTopBlock(this);
+    workspace.addTypedBlock(this);
+
+    if (new.target === Block) {
+      this.doInit_();
+    }
+  }
+
+  /** Calls the init() function and handles associated event firing, etc. */
+  protected doInit_() {
+    // All events fired should be part of the same group.
+    // Any events fired during init should not be undoable,
+    // so that block creation is atomic.
+    const existingGroup = eventUtils.getGroup();
+    if (!existingGroup) {
+      eventUtils.setGroup(true);
+    }
+    const initialUndoFlag = eventUtils.getRecordUndo();
+
+    try {
+      // Call an initialization function, if it exists.
+      if (typeof this.init === 'function') {
+        eventUtils.setRecordUndo(false);
+        this.init();
+        eventUtils.setRecordUndo(initialUndoFlag);
+      }
+
+      // Fire a create event.
+      if (eventUtils.isEnabled()) {
+        eventUtils.fire(new (eventUtils.get(eventUtils.BLOCK_CREATE))(this));
+      }
+    } finally {
+      eventUtils.setGroup(existingGroup);
+      // In case init threw, recordUndo flag should still be reset.
+      eventUtils.setRecordUndo(initialUndoFlag);
+    }
+    this.inputsInlineDefault = this.inputsInline;
+
+    // Bind an onchange function, if it exists.
+    if (typeof this.onchange === 'function') {
+      this.setOnChange(this.onchange);
+    }
+  }
+
+  /**
+   * Dispose of this block.
+   *
+   * @param healStack If true, then try to heal any gap by connecting the next
+   *     statement with the previous statement.  Otherwise, dispose of all
+   *     children of this block.
+   */
+  dispose(healStack = false) {
+    this.disposing = true;
+
+    // Dispose of this change listener before unplugging.
+    // Technically not necessary due to the event firing delay.
+    // But future-proofing.
+    if (this.onchangeWrapper_) {
+      this.workspace.removeChangeListener(this.onchangeWrapper_);
+    }
+
+    this.unplug(healStack);
+    if (eventUtils.isEnabled()) {
+      // Constructing the delete event is costly. Only perform if necessary.
+      eventUtils.fire(new (eventUtils.get(eventUtils.BLOCK_DELETE))(this));
+    }
+    this.workspace.removeTopBlock(this);
+    this.disposeInternal();
+  }
+
+  /**
+   * Disposes of this block without doing things required by the top block.
+   * E.g. does not fire events, unplug the block, etc.
+   */
+  protected disposeInternal() {
+    this.disposing = true;
+    if (this.onchangeWrapper_) {
+      this.workspace.removeChangeListener(this.onchangeWrapper_);
+    }
+
+    this.workspace.removeTypedBlock(this);
+    this.workspace.removeBlockById(this.id);
+
+    if (typeof this.destroy === 'function') this.destroy();
+
+    this.childBlocks_.forEach((c) => c.disposeInternal());
+    this.inputList.forEach((i) => i.dispose());
+    this.inputList.length = 0;
+    this.getConnections_(true).forEach((c) => c.dispose());
+    this.disposed = true;
+  }
+
+  /**
+   * Returns true if the block is either in the process of being disposed, or
+   * is disposed.
+   *
+   * @internal
+   */
+  isDeadOrDying(): boolean {
+    return this.disposing || this.disposed;
+  }
+
+  /**
+   * Call initModel on all fields on the block.
+   * May be called more than once.
+   * Either initModel or initSvg must be called after creating a block and
+   * before the first interaction with it.  Interactions include UI actions
+   * (e.g. clicking and dragging) and firing events (e.g. create, delete, and
+   * change).
+   */
+  initModel() {
+    if (this.initialized) return;
+    for (const input of this.inputList) {
+      input.initModel();
+    }
+    this.initialized = true;
+  }
+
+  /**
+   * Unplug this block from its superior block.  If this block is a statement,
+   * optionally reconnect the block underneath with the block on top.
+   *
+   * @param opt_healStack Disconnect child statement and reconnect stack.
+   *     Defaults to false.
+   */
+  unplug(opt_healStack?: boolean) {
+    if (this.outputConnection) {
+      this.unplugFromRow_(opt_healStack);
+    }
+    if (this.previousConnection) {
+      this.unplugFromStack_(opt_healStack);
+    }
+  }
+
+  /**
+   * Unplug this block's output from an input on another block.  Optionally
+   * reconnect the block's parent to the only child block, if possible.
+   *
+   * @param opt_healStack Disconnect right-side block and connect to left-side
+   *     block.  Defaults to false.
+   */
+  private unplugFromRow_(opt_healStack?: boolean) {
+    let parentConnection = null;
+    if (this.outputConnection?.isConnected()) {
+      parentConnection = this.outputConnection.targetConnection;
+      // Disconnect from any superior block.
+      this.outputConnection.disconnect();
+    }
+
+    // Return early in obvious cases.
+    if (!parentConnection || !opt_healStack) {
+      return;
+    }
+
+    const thisConnection = this.getOnlyValueConnection_();
+    if (
+      !thisConnection ||
+      !thisConnection.isConnected() ||
+      thisConnection.targetBlock()!.isShadow()
+    ) {
+      // Too many or too few possible connections on this block, or there's
+      // nothing on the other side of this connection.
+      return;
+    }
+
+    const childConnection = thisConnection.targetConnection;
+    // Disconnect the child block.
+    childConnection?.disconnect();
+    // Connect child to the parent if possible, otherwise bump away.
+    if (
+      this.workspace.connectionChecker.canConnect(
+        childConnection,
+        parentConnection,
+        false,
+      )
+    ) {
+      parentConnection.connect(childConnection!);
+    } else {
+      childConnection?.onFailedConnect(parentConnection);
+    }
+  }
+
+  /**
+   * Returns the connection on the value input that is connected to another
+   * block. When an insertion marker is connected to a connection with a block
+   * already attached, the connected block is attached to the insertion marker.
+   * Since only one block can be displaced and attached to the insertion marker
+   * this should only ever return one connection.
+   *
+   * @returns The connection on the value input, or null.
+   */
+  private getOnlyValueConnection_(): Connection | null {
+    let connection = null;
+    for (let i = 0; i < this.inputList.length; i++) {
+      const thisConnection = this.inputList[i].connection;
+      if (
+        thisConnection &&
+        thisConnection.type === ConnectionType.INPUT_VALUE &&
+        thisConnection.targetConnection
+      ) {
+        if (connection) {
+          return null; // More than one value input found.
+        }
+        connection = thisConnection;
+      }
+    }
+    return connection;
+  }
+
+  /**
+   * Unplug this statement block from its superior block.  Optionally reconnect
+   * the block underneath with the block on top.
+   *
+   * @param opt_healStack Disconnect child statement and reconnect stack.
+   *     Defaults to false.
+   */
+  private unplugFromStack_(opt_healStack?: boolean) {
+    let previousTarget = null;
+    if (this.previousConnection?.isConnected()) {
+      // Remember the connection that any next statements need to connect to.
+      previousTarget = this.previousConnection.targetConnection;
+      // Detach this block from the parent's tree.
+      this.previousConnection.disconnect();
+    }
+    const nextBlock = this.getNextBlock();
+    if (opt_healStack && nextBlock && !nextBlock.isShadow()) {
+      // Disconnect the next statement.
+      const nextTarget = this.nextConnection?.targetConnection ?? null;
+      nextTarget?.disconnect();
+      if (
+        previousTarget &&
+        this.workspace.connectionChecker.canConnect(
+          previousTarget,
+          nextTarget,
+          false,
+        )
+      ) {
+        // Attach the next statement to the previous statement.
+        previousTarget.connect(nextTarget!);
+      }
+    }
+  }
+
+  /**
+   * Returns all connections originating from this block.
+   *
+   * @param _all If true, return all connections even hidden ones.
+   * @returns Array of connections.
+   * @internal
+   */
+  getConnections_(_all: boolean): Connection[] {
+    const myConnections = [];
+    if (this.outputConnection) {
+      myConnections.push(this.outputConnection);
+    }
+    if (this.previousConnection) {
+      myConnections.push(this.previousConnection);
+    }
+    if (this.nextConnection) {
+      myConnections.push(this.nextConnection);
+    }
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      if (input.connection) {
+        myConnections.push(input.connection);
+      }
+    }
+    return myConnections;
+  }
+
+  /**
+   * Walks down a stack of blocks and finds the last next connection on the
+   * stack.
+   *
+   * @param ignoreShadows If true,the last connection on a non-shadow block will
+   *     be returned. If false, this will follow shadows to find the last
+   *     connection.
+   * @returns The last next connection on the stack, or null.
+   * @internal
+   */
+  lastConnectionInStack(ignoreShadows: boolean): Connection | null {
+    let nextConnection = this.nextConnection;
+    while (nextConnection) {
+      const nextBlock = nextConnection.targetBlock();
+      if (!nextBlock || (ignoreShadows && nextBlock.isShadow())) {
+        return nextConnection;
+      }
+      nextConnection = nextBlock.nextConnection;
+    }
+    return null;
+  }
+
+  /**
+   * Bump unconnected blocks out of alignment.  Two blocks which aren't actually
+   * connected should not coincidentally line up on screen.
+   */
+  bumpNeighbours() {}
+
+  /**
+   * Return the parent block or null if this block is at the top level. The
+   * parent block is either the block connected to the previous connection (for
+   * a statement block) or the block connected to the output connection (for a
+   * value block).
+   *
+   * @returns The block (if any) that holds the current block.
+   */
+  getParent(): this | null {
+    return this.parentBlock_;
+  }
+
+  /**
+   * Return the input that connects to the specified block.
+   *
+   * @param block A block connected to an input on this block.
+   * @returns The input (if any) that connects to the specified block.
+   */
+  getInputWithBlock(block: Block): Input | null {
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      if (input.connection && input.connection.targetBlock() === block) {
+        return input;
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Return the parent block that surrounds the current block, or null if this
+   * block has no surrounding block.  A parent block might just be the previous
+   * statement, whereas the surrounding block is an if statement, while loop,
+   * etc.
+   *
+   * @returns The block (if any) that surrounds the current block.
+   */
+  getSurroundParent(): this | null {
+    /* eslint-disable-next-line @typescript-eslint/no-this-alias */
+    let block: this | null = this;
+    let prevBlock;
+    do {
+      prevBlock = block;
+      block = block.getParent();
+      if (!block) {
+        // Ran off the top.
+        return null;
+      }
+    } while (block.getNextBlock() === prevBlock);
+    // This block is an enclosing parent, not just a statement in a stack.
+    return block;
+  }
+
+  /**
+   * Return the next statement block directly connected to this block.
+   *
+   * @returns The next statement block or null.
+   */
+  getNextBlock(): Block | null {
+    return this.nextConnection && this.nextConnection.targetBlock();
+  }
+
+  /**
+   * Returns the block connected to the previous connection.
+   *
+   * @returns The previous statement block or null.
+   */
+  getPreviousBlock(): Block | null {
+    return this.previousConnection && this.previousConnection.targetBlock();
+  }
+
+  /**
+   * Return the top-most block in this block's tree.
+   * This will return itself if this block is at the top level.
+   *
+   * @returns The root block.
+   */
+  getRootBlock(): this {
+    let rootBlock: this;
+    /* eslint-disable-next-line @typescript-eslint/no-this-alias */
+    let block: this | null = this;
+    do {
+      rootBlock = block;
+      block = rootBlock.parentBlock_;
+    } while (block);
+    return rootBlock;
+  }
+
+  /**
+   * Walk up from the given block up through the stack of blocks to find
+   * the top block of the sub stack. If we are nested in a statement input only
+   * find the top-most nested block. Do not go all the way to the root block.
+   *
+   * @returns The top block in a stack.
+   * @internal
+   */
+  getTopStackBlock(): this {
+    /* eslint-disable-next-line @typescript-eslint/no-this-alias */
+    let block = this;
+    let previous;
+    do {
+      previous = block.getPreviousBlock();
+      // AnyDuringMigration because:  Type 'Block' is not assignable to type
+      // 'this'.
+    } while (
+      previous &&
+      previous.getNextBlock() === block &&
+      (block = previous as AnyDuringMigration)
+    );
+    return block;
+  }
+
+  /**
+   * Find all the blocks that are directly nested inside this one.
+   * Includes value and statement inputs, as well as any following statement.
+   * Excludes any connection on an output tab or any preceding statement.
+   * Blocks are optionally sorted by position; top to bottom.
+   *
+   * @param ordered Sort the list if true.
+   * @returns Array of blocks.
+   */
+  getChildren(ordered: boolean): Block[] {
+    if (!ordered) {
+      return this.childBlocks_;
+    }
+    const blocks = [];
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      if (input.connection) {
+        const child = input.connection.targetBlock();
+        if (child) {
+          blocks.push(child);
+        }
+      }
+    }
+    const next = this.getNextBlock();
+    if (next) {
+      blocks.push(next);
+    }
+    return blocks;
+  }
+
+  /**
+   * Set parent of this block to be a new block or null.
+   *
+   * @param newParent New parent block.
+   * @internal
+   */
+  setParent(newParent: this | null) {
+    if (newParent === this.parentBlock_) {
+      return;
+    }
+
+    // Check that block is connected to new parent if new parent is not null and
+    //    that block is not connected to superior one if new parent is null.
+    const targetBlock =
+      (this.previousConnection && this.previousConnection.targetBlock()) ||
+      (this.outputConnection && this.outputConnection.targetBlock());
+    const isConnected = !!targetBlock;
+
+    if (isConnected && newParent && targetBlock !== newParent) {
+      throw Error('Block connected to superior one that is not new parent.');
+    } else if (!isConnected && newParent) {
+      throw Error('Block not connected to new parent.');
+    } else if (isConnected && !newParent) {
+      throw Error(
+        'Cannot set parent to null while block is still connected to' +
+          ' superior block.',
+      );
+    }
+
+    // This block hasn't actually moved on-screen, so there's no need to
+    // update
+    //     its connection locations.
+    if (this.parentBlock_) {
+      // Remove this block from the old parent's child list.
+      arrayUtils.removeElem(this.parentBlock_.childBlocks_, this);
+    } else {
+      // New parent must be non-null so remove this block from the workspace's
+      //     list of top-most blocks.
+      this.workspace.removeTopBlock(this);
+    }
+
+    this.parentBlock_ = newParent;
+    if (newParent) {
+      // Add this block to the new parent's child list.
+      newParent.childBlocks_.push(this);
+    } else {
+      this.workspace.addTopBlock(this);
+    }
+  }
+
+  /**
+   * Find all the blocks that are directly or indirectly nested inside this one.
+   * Includes this block in the list.
+   * Includes value and statement inputs, as well as any following statements.
+   * Excludes any connection on an output tab or any preceding statements.
+   * Blocks are optionally sorted by position; top to bottom.
+   *
+   * @param ordered Sort the list if true.
+   * @returns Flattened array of blocks.
+   */
+  getDescendants(ordered: boolean): this[] {
+    const blocks = [this];
+    const childBlocks = this.getChildren(ordered);
+    for (let child, i = 0; (child = childBlocks[i]); i++) {
+      // AnyDuringMigration because:  Argument of type 'Block[]' is not
+      // assignable to parameter of type 'this[]'.
+      blocks.push(...(child.getDescendants(ordered) as AnyDuringMigration));
+    }
+    return blocks;
+  }
+
+  /**
+   * Get whether this block is deletable or not.
+   *
+   * @returns True if deletable.
+   */
+  isDeletable(): boolean {
+    return (
+      this.deletable_ &&
+      !this.isShadow_ &&
+      !this.isDeadOrDying() &&
+      !this.workspace.options.readOnly
+    );
+  }
+
+  /**
+   * Return whether this block's own deletable property is true or false.
+   *
+   * @returns True if the block's deletable property is true, false otherwise.
+   */
+  isOwnDeletable(): boolean {
+    return this.deletable_;
+  }
+
+  /**
+   * Set whether this block is deletable or not.
+   *
+   * @param deletable True if deletable.
+   */
+  setDeletable(deletable: boolean) {
+    this.deletable_ = deletable;
+  }
+
+  /**
+   * Get whether this block is movable or not.
+   *
+   * @returns True if movable.
+   * @internal
+   */
+  isMovable(): boolean {
+    return (
+      this.movable_ &&
+      !this.isShadow_ &&
+      !this.isDeadOrDying() &&
+      !this.workspace.options.readOnly
+    );
+  }
+
+  /**
+   * Return whether this block's own movable property is true or false.
+   *
+   * @returns True if the block's movable property is true, false otherwise.
+   * @internal
+   */
+  isOwnMovable(): boolean {
+    return this.movable_;
+  }
+
+  /**
+   * Set whether this block is movable or not.
+   *
+   * @param movable True if movable.
+   */
+  setMovable(movable: boolean) {
+    this.movable_ = movable;
+  }
+
+  /**
+   * Get whether is block is duplicatable or not. If duplicating this block and
+   * descendants will put this block over the workspace's capacity this block is
+   * not duplicatable. If duplicating this block and descendants will put any
+   * type over their maxInstances this block is not duplicatable.
+   *
+   * @returns True if duplicatable.
+   */
+  isDuplicatable(): boolean {
+    if (!this.workspace.hasBlockLimits()) {
+      return true;
+    }
+    return this.workspace.isCapacityAvailable(
+      common.getBlockTypeCounts(this, true),
+    );
+  }
+
+  /**
+   * Get whether this block is a shadow block or not.
+   *
+   * @returns True if a shadow.
+   */
+  isShadow(): boolean {
+    return this.isShadow_;
+  }
+
+  /**
+   * Set whether this block is a shadow block or not.
+   * This method is internal and should not be called by users of Blockly. To
+   * create shadow blocks programmatically call connection.setShadowState
+   *
+   * @param shadow True if a shadow.
+   * @internal
+   */
+  setShadow(shadow: boolean) {
+    this.isShadow_ = shadow;
+  }
+
+  /**
+   * Get whether this block is an insertion marker block or not.
+   *
+   * @returns True if an insertion marker.
+   */
+  isInsertionMarker(): boolean {
+    return this.isInsertionMarker_;
+  }
+
+  /**
+   * Set whether this block is an insertion marker block or not.
+   * Once set this cannot be unset.
+   *
+   * @param insertionMarker True if an insertion marker.
+   * @internal
+   */
+  setInsertionMarker(insertionMarker: boolean) {
+    this.isInsertionMarker_ = insertionMarker;
+  }
+
+  /**
+   * Get whether this block is editable or not.
+   *
+   * @returns True if editable.
+   * @internal
+   */
+  isEditable(): boolean {
+    return (
+      this.editable_ &&
+      !this.isDeadOrDying() &&
+      !this.workspace.options.readOnly
+    );
+  }
+
+  /**
+   * Return whether this block's own editable property is true or false.
+   *
+   * @returns True if the block's editable property is true, false otherwise.
+   */
+  isOwnEditable(): boolean {
+    return this.editable_;
+  }
+
+  /**
+   * Set whether this block is editable or not.
+   *
+   * @param editable True if editable.
+   */
+  setEditable(editable: boolean) {
+    this.editable_ = editable;
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      for (let j = 0, field; (field = input.fieldRow[j]); j++) {
+        field.updateEditable();
+      }
+    }
+  }
+
+  /**
+   * Returns if this block has been disposed of / deleted.
+   *
+   * @returns True if this block has been disposed of / deleted.
+   */
+  isDisposed(): boolean {
+    return this.disposed;
+  }
+
+  /**
+   * @returns True if this block is a value block with a single editable field.
+   * @internal
+   */
+  isSimpleReporter(): boolean {
+    if (!this.outputConnection) return false;
+
+    for (const input of this.inputList) {
+      if (input.connection || input.fieldRow.length > 1) return false;
+    }
+    return true;
+  }
+
+  /**
+   * Find the connection on this block that corresponds to the given connection
+   * on the other block.
+   * Used to match connections between a block and its insertion marker.
+   *
+   * @param otherBlock The other block to match against.
+   * @param conn The other connection to match.
+   * @returns The matching connection on this block, or null.
+   * @internal
+   */
+  getMatchingConnection(
+    otherBlock: Block,
+    conn: Connection,
+  ): Connection | null {
+    const connections = this.getConnections_(true);
+    const otherConnections = otherBlock.getConnections_(true);
+    if (connections.length !== otherConnections.length) {
+      throw Error('Connection lists did not match in length.');
+    }
+    for (let i = 0; i < otherConnections.length; i++) {
+      if (otherConnections[i] === conn) {
+        return connections[i];
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Set the URL of this block's help page.
+   *
+   * @param url URL string for block help, or function that returns a URL.  Null
+   *     for no help.
+   */
+  setHelpUrl(url: string | Function) {
+    this.helpUrl = url;
+  }
+
+  /**
+   * Sets the tooltip for this block.
+   *
+   * @param newTip The text for the tooltip, a function that returns the text
+   *     for the tooltip, or a parent object whose tooltip will be used. To not
+   *     display a tooltip pass the empty string.
+   */
+  setTooltip(newTip: Tooltip.TipInfo) {
+    this.tooltip = newTip;
+  }
+
+  /**
+   * Returns the tooltip text for this block.
+   *
+   * @returns The tooltip text for this block.
+   */
+  getTooltip(): string {
+    return Tooltip.getTooltipOfObject(this);
+  }
+
+  /**
+   * Get the colour of a block.
+   *
+   * @returns #RRGGBB string.
+   */
+  getColour(): string {
+    return this.colour_;
+  }
+
+  /**
+   * Get the name of the block style.
+   *
+   * @returns Name of the block style.
+   */
+  getStyleName(): string {
+    return this.styleName_;
+  }
+
+  /**
+   * Get the HSV hue value of a block.  Null if hue not set.
+   *
+   * @returns Hue value (0-360).
+   */
+  getHue(): number | null {
+    return this.hue_;
+  }
+
+  /**
+   * Change the colour of a block.
+   *
+   * @param colour HSV hue value (0 to 360), #RRGGBB string, or a message
+   *     reference string pointing to one of those two values.
+   */
+  setColour(colour: number | string) {
+    const parsed = parsing.parseBlockColour(colour);
+    this.hue_ = parsed.hue;
+    this.colour_ = parsed.hex;
+  }
+
+  /**
+   * Set the style and colour values of a block.
+   *
+   * @param blockStyleName Name of the block style.
+   */
+  setStyle(blockStyleName: string) {
+    this.styleName_ = blockStyleName;
+  }
+
+  /**
+   * Sets a callback function to use whenever the block's parent workspace
+   * changes, replacing any prior onchange handler. This is usually only called
+   * from the constructor, the block type initializer function, or an extension
+   * initializer function.
+   *
+   * @param onchangeFn The callback to call when the block's workspace changes.
+   * @throws {Error} if onchangeFn is not falsey and not a function.
+   */
+  setOnChange(onchangeFn: (p1: Abstract) => void) {
+    if (onchangeFn && typeof onchangeFn !== 'function') {
+      throw Error('onchange must be a function.');
+    }
+    if (this.onchangeWrapper_) {
+      this.workspace.removeChangeListener(this.onchangeWrapper_);
+    }
+    this.onchange = onchangeFn;
+    this.onchangeWrapper_ = onchangeFn.bind(this);
+    this.workspace.addChangeListener(this.onchangeWrapper_);
+  }
+
+  /**
+   * Returns the named field from a block.
+   *
+   * @param name The name of the field.
+   * @returns Named field, or null if field does not exist.
+   */
+  getField(name: string): Field | null {
+    if (typeof name !== 'string') {
+      throw TypeError(
+        'Block.prototype.getField expects a string ' +
+          'with the field name but received ' +
+          (name === undefined ? 'nothing' : name + ' of type ' + typeof name) +
+          ' instead',
+      );
+    }
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      for (let j = 0, field; (field = input.fieldRow[j]); j++) {
+        if (field.name === name) {
+          return field;
+        }
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Return all variables referenced by this block.
+   *
+   * @returns List of variable ids.
+   */
+  getVars(): string[] {
+    const vars: string[] = [];
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      for (let j = 0, field; (field = input.fieldRow[j]); j++) {
+        if (field.referencesVariables()) {
+          // NOTE: This only applies to `FieldVariable`, a `Field<string>`
+          vars.push(field.getValue() as string);
+        }
+      }
+    }
+    return vars;
+  }
+
+  /**
+   * Return all variables referenced by this block.
+   *
+   * @returns List of variable models.
+   * @internal
+   */
+  getVarModels(): VariableModel[] {
+    const vars = [];
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      for (let j = 0, field; (field = input.fieldRow[j]); j++) {
+        if (field.referencesVariables()) {
+          const model = this.workspace.getVariableById(
+            field.getValue() as string,
+          );
+          // Check if the variable actually exists (and isn't just a potential
+          // variable).
+          if (model) {
+            vars.push(model);
+          }
+        }
+      }
+    }
+    return vars;
+  }
+
+  /**
+   * Notification that a variable is renaming but keeping the same ID.  If the
+   * variable is in use on this block, rerender to show the new name.
+   *
+   * @param variable The variable being renamed.
+   * @internal
+   */
+  updateVarName(variable: VariableModel) {
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      for (let j = 0, field; (field = input.fieldRow[j]); j++) {
+        if (
+          field.referencesVariables() &&
+          variable.getId() === field.getValue()
+        ) {
+          field.refreshVariableName();
+        }
+      }
+    }
+  }
+
+  /**
+   * Notification that a variable is renaming.
+   * If the ID matches one of this block's variables, rename it.
+   *
+   * @param oldId ID of variable to rename.
+   * @param newId ID of new variable.  May be the same as oldId, but with an
+   *     updated name.
+   */
+  renameVarById(oldId: string, newId: string) {
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      for (let j = 0, field; (field = input.fieldRow[j]); j++) {
+        if (field.referencesVariables() && oldId === field.getValue()) {
+          field.setValue(newId);
+        }
+      }
+    }
+  }
+
+  /**
+   * Returns the language-neutral value of the given field.
+   *
+   * @param name The name of the field.
+   * @returns Value of the field or null if field does not exist.
+   */
+  getFieldValue(name: string): AnyDuringMigration {
+    const field = this.getField(name);
+    if (field) {
+      return field.getValue();
+    }
+    return null;
+  }
+
+  /**
+   * Sets the value of the given field for this block.
+   *
+   * @param newValue The value to set.
+   * @param name The name of the field to set the value of.
+   */
+  setFieldValue(newValue: AnyDuringMigration, name: string) {
+    const field = this.getField(name);
+    if (!field) {
+      throw Error('Field "' + name + '" not found.');
+    }
+    field.setValue(newValue);
+  }
+
+  /**
+   * Set whether this block can chain onto the bottom of another block.
+   *
+   * @param newBoolean True if there can be a previous statement.
+   * @param opt_check Statement type or list of statement types.  Null/undefined
+   *     if any type could be connected.
+   */
+  setPreviousStatement(
+    newBoolean: boolean,
+    opt_check?: string | string[] | null,
+  ) {
+    if (newBoolean) {
+      if (opt_check === undefined) {
+        opt_check = null;
+      }
+      if (!this.previousConnection) {
+        this.previousConnection = this.makeConnection_(
+          ConnectionType.PREVIOUS_STATEMENT,
+        );
+      }
+      this.previousConnection.setCheck(opt_check);
+    } else {
+      if (this.previousConnection) {
+        if (this.previousConnection.isConnected()) {
+          throw Error(
+            'Must disconnect previous statement before removing ' +
+              'connection.',
+          );
+        }
+        this.previousConnection.dispose();
+        this.previousConnection = null;
+      }
+    }
+  }
+
+  /**
+   * Set whether another block can chain onto the bottom of this block.
+   *
+   * @param newBoolean True if there can be a next statement.
+   * @param opt_check Statement type or list of statement types.  Null/undefined
+   *     if any type could be connected.
+   */
+  setNextStatement(newBoolean: boolean, opt_check?: string | string[] | null) {
+    if (newBoolean) {
+      if (opt_check === undefined) {
+        opt_check = null;
+      }
+      if (!this.nextConnection) {
+        this.nextConnection = this.makeConnection_(
+          ConnectionType.NEXT_STATEMENT,
+        );
+      }
+      this.nextConnection.setCheck(opt_check);
+    } else {
+      if (this.nextConnection) {
+        if (this.nextConnection.isConnected()) {
+          throw Error(
+            'Must disconnect next statement before removing ' + 'connection.',
+          );
+        }
+        this.nextConnection.dispose();
+        this.nextConnection = null;
+      }
+    }
+  }
+
+  /**
+   * Set whether this block returns a value.
+   *
+   * @param newBoolean True if there is an output.
+   * @param opt_check Returned type or list of returned types.  Null or
+   *     undefined if any type could be returned (e.g. variable get).
+   */
+  setOutput(newBoolean: boolean, opt_check?: string | string[] | null) {
+    if (newBoolean) {
+      if (opt_check === undefined) {
+        opt_check = null;
+      }
+      if (!this.outputConnection) {
+        this.outputConnection = this.makeConnection_(
+          ConnectionType.OUTPUT_VALUE,
+        );
+      }
+      this.outputConnection.setCheck(opt_check);
+    } else {
+      if (this.outputConnection) {
+        if (this.outputConnection.isConnected()) {
+          throw Error(
+            'Must disconnect output value before removing connection.',
+          );
+        }
+        this.outputConnection.dispose();
+        this.outputConnection = null;
+      }
+    }
+  }
+
+  /**
+   * Set whether value inputs are arranged horizontally or vertically.
+   *
+   * @param newBoolean True if inputs are horizontal.
+   */
+  setInputsInline(newBoolean: boolean) {
+    if (this.inputsInline !== newBoolean) {
+      eventUtils.fire(
+        new (eventUtils.get(eventUtils.BLOCK_CHANGE))(
+          this,
+          'inline',
+          null,
+          this.inputsInline,
+          newBoolean,
+        ),
+      );
+      this.inputsInline = newBoolean;
+    }
+  }
+
+  /**
+   * Get whether value inputs are arranged horizontally or vertically.
+   *
+   * @returns True if inputs are horizontal.
+   */
+  getInputsInline(): boolean {
+    if (this.inputsInline !== undefined) {
+      // Set explicitly.
+      return this.inputsInline;
+    }
+    // Not defined explicitly.  Figure out what would look best.
+    for (let i = 1; i < this.inputList.length; i++) {
+      if (
+        this.inputList[i - 1] instanceof DummyInput &&
+        this.inputList[i] instanceof DummyInput
+      ) {
+        // Two dummy inputs in a row.  Don't inline them.
+        return false;
+      }
+    }
+    for (let i = 1; i < this.inputList.length; i++) {
+      if (
+        this.inputList[i - 1] instanceof ValueInput &&
+        this.inputList[i] instanceof DummyInput
+      ) {
+        // Dummy input after a value input.  Inline them.
+        return true;
+      }
+    }
+    for (let i = 0; i < this.inputList.length; i++) {
+      if (this.inputList[i] instanceof EndRowInput) {
+        // A row-end input is present. Inline value inputs.
+        return true;
+      }
+    }
+    return false;
+  }
+
+  /**
+   * Set the block's output shape.
+   *
+   * @param outputShape Value representing an output shape.
+   */
+  setOutputShape(outputShape: number | null) {
+    this.outputShape_ = outputShape;
+  }
+
+  /**
+   * Get the block's output shape.
+   *
+   * @returns Value representing output shape if one exists.
+   */
+  getOutputShape(): number | null {
+    return this.outputShape_;
+  }
+
+  /**
+   * Get whether this block is enabled or not. A block is considered enabled
+   * if there aren't any reasons why it would be disabled. A block may still
+   * be disabled for other reasons even if the user attempts to manually
+   * enable it, such as when the block is in an invalid location.
+   *
+   * @returns True if enabled.
+   */
+  isEnabled(): boolean {
+    return this.disabledReasons.size === 0;
+  }
+
+  /** @deprecated v11 - Get whether the block is manually disabled. */
+  private get disabled(): boolean {
+    deprecation.warn(
+      'disabled',
+      'v11',
+      'v12',
+      'the isEnabled or hasDisabledReason methods of Block',
+    );
+    return this.hasDisabledReason(constants.MANUALLY_DISABLED);
+  }
+
+  /** @deprecated v11 - Set whether the block is manually disabled. */
+  private set disabled(value: boolean) {
+    deprecation.warn(
+      'disabled',
+      'v11',
+      'v12',
+      'the setDisabledReason method of Block',
+    );
+    this.setDisabledReason(value, constants.MANUALLY_DISABLED);
+  }
+
+  /**
+   * @deprecated v11 - Set whether the block is manually enabled or disabled.
+   * The user can toggle whether a block is disabled from a context menu
+   * option. A block may still be disabled for other reasons even if the user
+   * attempts to manually enable it, such as when the block is in an invalid
+   * location. This method is deprecated and setDisabledReason should be used
+   * instead.
+   *
+   * @param enabled True if enabled.
+   */
+  setEnabled(enabled: boolean) {
+    deprecation.warn(
+      'setEnabled',
+      'v11',
+      'v12',
+      'the setDisabledReason method of Block',
+    );
+    this.setDisabledReason(!enabled, constants.MANUALLY_DISABLED);
+  }
+
+  /**
+   * Add or remove a reason why the block might be disabled. If a block has
+   * any reasons to be disabled, then the block itself will be considered
+   * disabled. A block could be disabled for multiple independent reasons
+   * simultaneously, such as when the user manually disables it, or the block
+   * is invalid.
+   *
+   * @param disabled If true, then the block should be considered disabled for
+   *     at least the provided reason, otherwise the block is no longer disabled
+   *     for that reason.
+   * @param reason A language-neutral identifier for a reason why the block
+   *     could be disabled. Call this method again with the same identifier to
+   *     update whether the block is currently disabled for this reason.
+   */
+  setDisabledReason(disabled: boolean, reason: string): void {
+    if (this.disabledReasons.has(reason) !== disabled) {
+      if (disabled) {
+        this.disabledReasons.add(reason);
+      } else {
+        this.disabledReasons.delete(reason);
+      }
+      const blockChangeEvent = new (eventUtils.get(eventUtils.BLOCK_CHANGE))(
+        this,
+        'disabled',
+        /* name= */ null,
+        /* oldValue= */ !disabled,
+        /* newValue= */ disabled,
+      ) as BlockChange;
+      blockChangeEvent.setDisabledReason(reason);
+      eventUtils.fire(blockChangeEvent);
+    }
+  }
+
+  /**
+   * Get whether the block is disabled or not due to parents.
+   * The block's own disabled property is not considered.
+   *
+   * @returns True if disabled.
+   */
+  getInheritedDisabled(): boolean {
+    let ancestor = this.getSurroundParent();
+    while (ancestor) {
+      if (!ancestor.isEnabled()) {
+        return true;
+      }
+      ancestor = ancestor.getSurroundParent();
+    }
+    // Ran off the top.
+    return false;
+  }
+
+  /**
+   * Get whether the block is currently disabled for the provided reason.
+   *
+   * @param reason A language-neutral identifier for a reason why the block
+   *     could be disabled.
+   * @returns Whether the block is disabled for the provided reason.
+   */
+  hasDisabledReason(reason: string): boolean {
+    return this.disabledReasons.has(reason);
+  }
+
+  /**
+   * Get a set of reasons why the block is currently disabled, if any. If the
+   * block is enabled, this set will be empty.
+   *
+   * @returns The set of reasons why the block is disabled, if any.
+   */
+  getDisabledReasons(): ReadonlySet<string> {
+    return this.disabledReasons;
+  }
+
+  /**
+   * Get whether the block is collapsed or not.
+   *
+   * @returns True if collapsed.
+   */
+  isCollapsed(): boolean {
+    return this.collapsed_;
+  }
+
+  /**
+   * Set whether the block is collapsed or not.
+   *
+   * @param collapsed True if collapsed.
+   */
+  setCollapsed(collapsed: boolean) {
+    if (this.collapsed_ !== collapsed) {
+      eventUtils.fire(
+        new (eventUtils.get(eventUtils.BLOCK_CHANGE))(
+          this,
+          'collapsed',
+          null,
+          this.collapsed_,
+          collapsed,
+        ),
+      );
+      this.collapsed_ = collapsed;
+    }
+  }
+
+  /**
+   * Create a human-readable text representation of this block and any children.
+   *
+   * @param opt_maxLength Truncate the string to this length.
+   * @param opt_emptyToken The placeholder string used to denote an empty input.
+   *     If not specified, '?' is used.
+   * @returns Text of block.
+   */
+  toString(opt_maxLength?: number, opt_emptyToken?: string): string {
+    const tokens = this.toTokens(opt_emptyToken);
+
+    // Run through our tokens array and simplify expression to remove
+    // parentheses around single field blocks.
+    // E.g. ['repeat', '(', '10', ')', 'times', 'do', '?']
+    for (let i = 2; i < tokens.length; i++) {
+      if (tokens[i - 2] === '(' && tokens[i] === ')') {
+        tokens[i - 2] = tokens[i - 1];
+        tokens.splice(i - 1, 2);
+      }
+    }
+
+    // Join the text array, removing the spaces around added parentheses.
+    let prev = '';
+    let text: string = tokens.reduce((acc, curr) => {
+      const val = acc + (prev === '(' || curr === ')' ? '' : ' ') + curr;
+      prev = curr[curr.length - 1];
+      return val;
+    }, '');
+
+    text = text.trim() || '???';
+    if (opt_maxLength) {
+      // TODO: Improve truncation so that text from this block is given
+      // priority. E.g. "1+2+3+4+5+6+7+8+9=0" should be "...6+7+8+9=0", not
+      // "1+2+3+4+5...". E.g. "1+2+3+4+5=6+7+8+9+0" should be "...4+5=6+7...".
+      if (text.length > opt_maxLength) {
+        text = text.substring(0, opt_maxLength - 3) + '...';
+      }
+    }
+    return text;
+  }
+
+  /**
+   * Converts this block into string tokens.
+   *
+   * @param emptyToken The token to use in place of an empty input.
+   *     Defaults to '?'.
+   * @returns The array of string tokens representing this block.
+   */
+  private toTokens(emptyToken = '?'): string[] {
+    const tokens = [];
+    /**
+     * Whether or not to add parentheses around an input.
+     *
+     * @param connection The connection.
+     * @returns True if we should add parentheses around the input.
+     */
+    function shouldAddParentheses(connection: Connection): boolean {
+      let checks = connection.getCheck();
+      if (!checks && connection.targetConnection) {
+        checks = connection.targetConnection.getCheck();
+      }
+      return (
+        !!checks && (checks.includes('Boolean') || checks.includes('Number'))
+      );
+    }
+
+    for (const input of this.inputList) {
+      if (input.name == constants.COLLAPSED_INPUT_NAME) {
+        continue;
+      }
+      for (const field of input.fieldRow) {
+        tokens.push(field.getText());
+      }
+      if (input.connection) {
+        const child = input.connection.targetBlock();
+        if (child) {
+          const shouldAddParens = shouldAddParentheses(input.connection);
+          if (shouldAddParens) tokens.push('(');
+          tokens.push(...child.toTokens(emptyToken));
+          if (shouldAddParens) tokens.push(')');
+        } else {
+          tokens.push(emptyToken);
+        }
+      }
+    }
+    return tokens;
+  }
+
+  /**
+   * Appends a value input row.
+   *
+   * @param name Language-neutral identifier which may used to find this input
+   *     again.  Should be unique to this block.
+   * @returns The input object created.
+   */
+  appendValueInput(name: string): Input {
+    return this.appendInput(new ValueInput(name, this));
+  }
+
+  /**
+   * Appends a statement input row.
+   *
+   * @param name Language-neutral identifier which may used to find this input
+   *     again.  Should be unique to this block.
+   * @returns The input object created.
+   */
+  appendStatementInput(name: string): Input {
+    this.statementInputCount++;
+    return this.appendInput(new StatementInput(name, this));
+  }
+
+  /**
+   * Appends a dummy input row.
+   *
+   * @param name Optional language-neutral identifier which may used to find
+   *     this input again.  Should be unique to this block.
+   * @returns The input object created.
+   */
+  appendDummyInput(name = ''): Input {
+    return this.appendInput(new DummyInput(name, this));
+  }
+
+  /**
+   * Appends an input that ends the row.
+   *
+   * @param name Optional language-neutral identifier which may used to find
+   *     this input again.  Should be unique to this block.
+   * @returns The input object created.
+   */
+  appendEndRowInput(name = ''): Input {
+    return this.appendInput(new EndRowInput(name, this));
+  }
+
+  /**
+   * Appends the given input row.
+   *
+   * Allows for custom inputs to be appended to the block.
+   */
+  appendInput(input: Input): Input {
+    this.inputList.push(input);
+    return input;
+  }
+
+  /**
+   * Appends an input with the given input type and name to the block after
+   * constructing it from the registry.
+   *
+   * @param type The name the input is registered under in the registry.
+   * @param name The name the input will have within the block.
+   * @returns The constucted input, or null if there was no constructor
+   *     associated with the type.
+   */
+  private appendInputFromRegistry(type: string, name: string): Input | null {
+    const inputConstructor = registry.getClass(
+      registry.Type.INPUT,
+      type,
+      false,
+    );
+    if (!inputConstructor) return null;
+    return this.appendInput(new inputConstructor(name, this));
+  }
+
+  /**
+   * Initialize this block using a cross-platform, internationalization-friendly
+   * JSON description.
+   *
+   * @param json Structured data describing the block.
+   */
+  jsonInit(json: AnyDuringMigration) {
+    const warningPrefix = json['type'] ? 'Block "' + json['type'] + '": ' : '';
+
+    // Validate inputs.
+    if (json['output'] && json['previousStatement']) {
+      throw Error(
+        warningPrefix + 'Must not have both an output and a previousStatement.',
+      );
+    }
+
+    // Validate that each arg has a corresponding message
+    let n = 0;
+    while (json['args' + n]) {
+      if (json['message' + n] === undefined) {
+        throw Error(
+          warningPrefix +
+            `args${n} must have a corresponding message (message${n}).`,
+        );
+      }
+      n++;
+    }
+
+    // Set basic properties of block.
+    // Makes styles backward compatible with old way of defining hat style.
+    if (json['style'] && json['style'].hat) {
+      this.hat = json['style'].hat;
+      // Must set to null so it doesn't error when checking for style and
+      // colour.
+      json['style'] = null;
+    }
+
+    if (json['style'] && json['colour']) {
+      throw Error(warningPrefix + 'Must not have both a colour and a style.');
+    } else if (json['style']) {
+      this.jsonInitStyle_(json, warningPrefix);
+    } else {
+      this.jsonInitColour_(json, warningPrefix);
+    }
+
+    // Interpolate the message blocks.
+    let i = 0;
+    while (json['message' + i] !== undefined) {
+      this.interpolate_(
+        json['message' + i],
+        json['args' + i] || [],
+        // Backwards compatibility: lastDummyAlign aliases implicitAlign.
+        json['implicitAlign' + i] || json['lastDummyAlign' + i],
+        warningPrefix,
+      );
+      i++;
+    }
+
+    if (json['inputsInline'] !== undefined) {
+      eventUtils.disable();
+      this.setInputsInline(json['inputsInline']);
+      eventUtils.enable();
+    }
+
+    // Set output and previous/next connections.
+    if (json['output'] !== undefined) {
+      this.setOutput(true, json['output']);
+    }
+    if (json['outputShape'] !== undefined) {
+      this.setOutputShape(json['outputShape']);
+    }
+    if (json['previousStatement'] !== undefined) {
+      this.setPreviousStatement(true, json['previousStatement']);
+    }
+    if (json['nextStatement'] !== undefined) {
+      this.setNextStatement(true, json['nextStatement']);
+    }
+    if (json['tooltip'] !== undefined) {
+      const rawValue = json['tooltip'];
+      const localizedText = parsing.replaceMessageReferences(rawValue);
+      this.setTooltip(localizedText);
+    }
+    if (json['enableContextMenu'] !== undefined) {
+      this.contextMenu = !!json['enableContextMenu'];
+    }
+    if (json['suppressPrefixSuffix'] !== undefined) {
+      this.suppressPrefixSuffix = !!json['suppressPrefixSuffix'];
+    }
+    if (json['helpUrl'] !== undefined) {
+      const rawValue = json['helpUrl'];
+      const localizedValue = parsing.replaceMessageReferences(rawValue);
+      this.setHelpUrl(localizedValue);
+    }
+    if (typeof json['extensions'] === 'string') {
+      console.warn(
+        warningPrefix +
+          "JSON attribute 'extensions' should be an array of" +
+          " strings. Found raw string in JSON for '" +
+          json['type'] +
+          "' block.",
+      );
+      json['extensions'] = [json['extensions']]; // Correct and continue.
+    }
+
+    // Add the mutator to the block.
+    if (json['mutator'] !== undefined) {
+      Extensions.apply(json['mutator'], this, true);
+    }
+
+    const extensionNames = json['extensions'];
+    if (Array.isArray(extensionNames)) {
+      for (let j = 0; j < extensionNames.length; j++) {
+        Extensions.apply(extensionNames[j], this, false);
+      }
+    }
+  }
+
+  /**
+   * Initialize the colour of this block from the JSON description.
+   *
+   * @param json Structured data describing the block.
+   * @param warningPrefix Warning prefix string identifying block.
+   */
+  private jsonInitColour_(json: AnyDuringMigration, warningPrefix: string) {
+    if ('colour' in json) {
+      if (json['colour'] === undefined) {
+        console.warn(warningPrefix + 'Undefined colour value.');
+      } else {
+        const rawValue = json['colour'];
+        try {
+          this.setColour(rawValue);
+        } catch (e) {
+          console.warn(warningPrefix + 'Illegal colour value: ', rawValue);
+        }
+      }
+    }
+  }
+
+  /**
+   * Initialize the style of this block from the JSON description.
+   *
+   * @param json Structured data describing the block.
+   * @param warningPrefix Warning prefix string identifying block.
+   */
+  private jsonInitStyle_(json: AnyDuringMigration, warningPrefix: string) {
+    const blockStyleName = json['style'];
+    try {
+      this.setStyle(blockStyleName);
+    } catch (styleError) {
+      console.warn(warningPrefix + 'Style does not exist: ', blockStyleName);
+    }
+  }
+
+  /**
+   * Add key/values from mixinObj to this block object. By default, this method
+   * will check that the keys in mixinObj will not overwrite existing values in
+   * the block, including prototype values. This provides some insurance against
+   * mixin / extension incompatibilities with future block features. This check
+   * can be disabled by passing true as the second argument.
+   *
+   * @param mixinObj The key/values pairs to add to this block object.
+   * @param opt_disableCheck Option flag to disable overwrite checks.
+   */
+  mixin(mixinObj: AnyDuringMigration, opt_disableCheck?: boolean) {
+    if (
+      opt_disableCheck !== undefined &&
+      typeof opt_disableCheck !== 'boolean'
+    ) {
+      throw Error('opt_disableCheck must be a boolean if provided');
+    }
+    if (!opt_disableCheck) {
+      const overwrites = [];
+      for (const key in mixinObj) {
+        if ((this as AnyDuringMigration)[key] !== undefined) {
+          overwrites.push(key);
+        }
+      }
+      if (overwrites.length) {
+        throw Error(
+          'Mixin will overwrite block members: ' + JSON.stringify(overwrites),
+        );
+      }
+    }
+    Object.assign(this, mixinObj);
+  }
+
+  /**
+   * Interpolate a message description onto the block.
+   *
+   * @param message Text contains interpolation tokens (%1, %2, ...) that match
+   *     with fields or inputs defined in the args array.
+   * @param args Array of arguments to be interpolated.
+   * @param implicitAlign If an implicit input is added at the end or in place
+   *     of newline tokens, how should it be aligned?
+   * @param warningPrefix Warning prefix string identifying block.
+   */
+  private interpolate_(
+    message: string,
+    args: AnyDuringMigration[],
+    implicitAlign: string | undefined,
+    warningPrefix: string,
+  ) {
+    const tokens = parsing.tokenizeInterpolation(message);
+    this.validateTokens_(tokens, args.length);
+    const elements = this.interpolateArguments_(tokens, args, implicitAlign);
+
+    // An array of [field, fieldName] tuples.
+    const fieldStack = [];
+    for (let i = 0, element; (element = elements[i]); i++) {
+      if (this.isInputKeyword_(element['type'])) {
+        const input = this.inputFromJson_(element, warningPrefix);
+        // Should never be null, but just in case.
+        if (input) {
+          for (let j = 0, tuple; (tuple = fieldStack[j]); j++) {
+            input.appendField(tuple[0], tuple[1]);
+          }
+          fieldStack.length = 0;
+        }
+      } else {
+        // All other types, including ones starting with 'input_' get routed
+        // here.
+        const field = this.fieldFromJson_(element);
+        if (field) {
+          fieldStack.push([field, element['name']]);
+        }
+      }
+    }
+  }
+
+  /**
+   * Validates that the tokens are within the correct bounds, with no
+   * duplicates, and that all of the arguments are referred to. Throws errors if
+   * any of these things are not true.
+   *
+   * @param tokens An array of tokens to validate
+   * @param argsCount The number of args that need to be referred to.
+   */
+  private validateTokens_(tokens: Array<string | number>, argsCount: number) {
+    const visitedArgsHash = [];
+    let visitedArgsCount = 0;
+    for (let i = 0; i < tokens.length; i++) {
+      const token = tokens[i];
+      if (typeof token !== 'number') {
+        continue;
+      }
+      if (token < 1 || token > argsCount) {
+        throw Error(
+          'Block "' +
+            this.type +
+            '": ' +
+            'Message index %' +
+            token +
+            ' out of range.',
+        );
+      }
+      if (visitedArgsHash[token]) {
+        throw Error(
+          'Block "' +
+            this.type +
+            '": ' +
+            'Message index %' +
+            token +
+            ' duplicated.',
+        );
+      }
+      visitedArgsHash[token] = true;
+      visitedArgsCount++;
+    }
+    if (visitedArgsCount !== argsCount) {
+      throw Error(
+        'Block "' +
+          this.type +
+          '": ' +
+          'Message does not reference all ' +
+          argsCount +
+          ' arg(s).',
+      );
+    }
+  }
+
+  /**
+   * Inserts args in place of numerical tokens. String args are converted to
+   * JSON that defines a label field. Newline characters are converted to
+   * end-row inputs, and if necessary an extra dummy input is added to the end
+   * of the elements.
+   *
+   * @param tokens The tokens to interpolate
+   * @param args The arguments to insert.
+   * @param implicitAlign The alignment to use for any implicitly added end-row
+   *     or dummy inputs, if necessary.
+   * @returns The JSON definitions of field and inputs to add to the block.
+   */
+  private interpolateArguments_(
+    tokens: Array<string | number>,
+    args: Array<AnyDuringMigration | string>,
+    implicitAlign: string | undefined,
+  ): AnyDuringMigration[] {
+    const elements = [];
+    for (let i = 0; i < tokens.length; i++) {
+      let element = tokens[i];
+      if (typeof element === 'number') {
+        element = args[element - 1];
+      }
+      // Args can be strings, which is why this isn't elseif.
+      if (typeof element === 'string') {
+        if (element === '\n') {
+          // Convert newline tokens to end-row inputs.
+          const newlineInput = {'type': 'input_end_row'};
+          if (implicitAlign) {
+            (newlineInput as AnyDuringMigration)['align'] = implicitAlign;
+          }
+          element = newlineInput as AnyDuringMigration;
+        } else {
+          // AnyDuringMigration because:  Type '{ text: string; type: string; }
+          // | null' is not assignable to type 'string | number'.
+          element = this.stringToFieldJson_(element) as AnyDuringMigration;
+          if (!element) {
+            continue;
+          }
+        }
+      }
+      elements.push(element);
+    }
+
+    const length = elements.length;
+    if (
+      length &&
+      !this.isInputKeyword_(
+        (elements as AnyDuringMigration)[length - 1]['type'],
+      )
+    ) {
+      const dummyInput = {'type': 'input_dummy'};
+      if (implicitAlign) {
+        (dummyInput as AnyDuringMigration)['align'] = implicitAlign;
+      }
+      elements.push(dummyInput);
+    }
+
+    return elements;
+  }
+
+  /**
+   * Creates a field from the JSON definition of a field. If a field with the
+   * given type cannot be found, this attempts to create a different field using
+   * the 'alt' property of the JSON definition (if it exists).
+   *
+   * @param element The element to try to turn into a field.
+   * @returns The field defined by the JSON, or null if one couldn't be created.
+   */
+  private fieldFromJson_(element: {
+    alt?: string;
+    type: string;
+    text?: string;
+  }): Field | null {
+    const field = fieldRegistry.fromJson(element);
+    if (!field && element['alt']) {
+      if (typeof element['alt'] === 'string') {
+        const json = this.stringToFieldJson_(element['alt']);
+        return json ? this.fieldFromJson_(json) : null;
+      }
+      return this.fieldFromJson_(element['alt']);
+    }
+    return field;
+  }
+
+  /**
+   * Creates an input from the JSON definition of an input. Sets the input's
+   * check and alignment if they are provided.
+   *
+   * @param element The JSON to turn into an input.
+   * @param warningPrefix The prefix to add to warnings to help the developer
+   *     debug.
+   * @returns The input that has been created, or null if one could not be
+   *     created for some reason (should never happen).
+   */
+  private inputFromJson_(
+    element: AnyDuringMigration,
+    warningPrefix: string,
+  ): Input | null {
+    const alignmentLookup = {
+      'LEFT': Align.LEFT,
+      'RIGHT': Align.RIGHT,
+      'CENTRE': Align.CENTRE,
+      'CENTER': Align.CENTRE,
+    };
+
+    let input = null;
+    switch (element['type']) {
+      case 'input_value':
+        input = this.appendValueInput(element['name']);
+        break;
+      case 'input_statement':
+        input = this.appendStatementInput(element['name']);
+        break;
+      case 'input_dummy':
+        input = this.appendDummyInput(element['name']);
+        break;
+      case 'input_end_row':
+        input = this.appendEndRowInput(element['name']);
+        break;
+      default: {
+        input = this.appendInputFromRegistry(element['type'], element['name']);
+        break;
+      }
+    }
+    // Should never be hit because of interpolate_'s checks, but just in case.
+    if (!input) {
+      return null;
+    }
+
+    if (element['check']) {
+      input.setCheck(element['check']);
+    }
+    if (element['align']) {
+      const alignment = (alignmentLookup as AnyDuringMigration)[
+        element['align'].toUpperCase()
+      ];
+      if (alignment === undefined) {
+        console.warn(warningPrefix + 'Illegal align value: ', element['align']);
+      } else {
+        input.setAlign(alignment);
+      }
+    }
+    return input;
+  }
+
+  /**
+   * Returns true if the given string matches one of the input keywords.
+   *
+   * @param str The string to check.
+   * @returns True if the given string matches one of the input keywords, false
+   *     otherwise.
+   */
+  private isInputKeyword_(str: string): boolean {
+    return (
+      str === 'input_value' ||
+      str === 'input_statement' ||
+      str === 'input_dummy' ||
+      str === 'input_end_row' ||
+      registry.hasItem(registry.Type.INPUT, str)
+    );
+  }
+
+  /**
+   * Turns a string into the JSON definition of a label field. If the string
+   * becomes an empty string when trimmed, this returns null.
+   *
+   * @param str String to turn into the JSON definition of a label field.
+   * @returns The JSON definition or null.
+   */
+  private stringToFieldJson_(str: string): {text: string; type: string} | null {
+    str = str.trim();
+    if (str) {
+      return {
+        'type': 'field_label',
+        'text': str,
+      };
+    }
+    return null;
+  }
+
+  /**
+   * Move a named input to a different location on this block.
+   *
+   * @param name The name of the input to move.
+   * @param refName Name of input that should be after the moved input, or null
+   *     to be the input at the end.
+   */
+  moveInputBefore(name: string, refName: string | null) {
+    if (name === refName) {
+      return;
+    }
+    // Find both inputs.
+    let inputIndex = -1;
+    let refIndex = refName ? -1 : this.inputList.length;
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      if (input.name === name) {
+        inputIndex = i;
+        if (refIndex !== -1) {
+          break;
+        }
+      } else if (refName && input.name === refName) {
+        refIndex = i;
+        if (inputIndex !== -1) {
+          break;
+        }
+      }
+    }
+    if (inputIndex === -1) {
+      throw Error('Named input "' + name + '" not found.');
+    }
+    if (refIndex === -1) {
+      throw Error('Reference input "' + refName + '" not found.');
+    }
+    this.moveNumberedInputBefore(inputIndex, refIndex);
+  }
+
+  /**
+   * Move a numbered input to a different location on this block.
+   *
+   * @param inputIndex Index of the input to move.
+   * @param refIndex Index of input that should be after the moved input.
+   */
+  moveNumberedInputBefore(inputIndex: number, refIndex: number) {
+    // Validate arguments.
+    if (inputIndex === refIndex) {
+      throw Error("Can't move input to itself.");
+    }
+    if (inputIndex >= this.inputList.length) {
+      throw RangeError('Input index ' + inputIndex + ' out of bounds.');
+    }
+    if (refIndex > this.inputList.length) {
+      throw RangeError('Reference input ' + refIndex + ' out of bounds.');
+    }
+    // Remove input.
+    const input = this.inputList[inputIndex];
+    this.inputList.splice(inputIndex, 1);
+    if (inputIndex < refIndex) {
+      refIndex--;
+    }
+    // Reinsert input.
+    this.inputList.splice(refIndex, 0, input);
+  }
+
+  /**
+   * Remove an input from this block.
+   *
+   * @param name The name of the input.
+   * @param opt_quiet True to prevent an error if input is not present.
+   * @returns True if operation succeeds, false if input is not present and
+   *     opt_quiet is true.
+   * @throws {Error} if the input is not present and opt_quiet is not true.
+   */
+  removeInput(name: string, opt_quiet?: boolean): boolean {
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      if (input.name === name) {
+        if (input instanceof StatementInput) this.statementInputCount--;
+        input.dispose();
+        this.inputList.splice(i, 1);
+        return true;
+      }
+    }
+    if (opt_quiet) {
+      return false;
+    }
+    throw Error('Input not found: ' + name);
+  }
+
+  /**
+   * Fetches the named input object.
+   *
+   * @param name The name of the input.
+   * @returns The input object, or null if input does not exist.
+   */
+  getInput(name: string): Input | null {
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      if (input.name === name) {
+        return input;
+      }
+    }
+    // This input does not exist.
+    return null;
+  }
+
+  /**
+   * Fetches the block attached to the named input.
+   *
+   * @param name The name of the input.
+   * @returns The attached value block, or null if the input is either
+   *     disconnected or if the input does not exist.
+   */
+  getInputTargetBlock(name: string): Block | null {
+    const input = this.getInput(name);
+    return input && input.connection && input.connection.targetBlock();
+  }
+
+  /**
+   * Returns the comment on this block (or null if there is no comment).
+   *
+   * @returns Block's comment.
+   */
+  getCommentText(): string | null {
+    const comment = this.getIcon(IconType.COMMENT);
+    return comment?.getText() ?? null;
+  }
+
+  /**
+   * Set this block's comment text.
+   *
+   * @param text The text, or null to delete.
+   */
+  setCommentText(text: string | null) {
+    const comment = this.getIcon(IconType.COMMENT);
+    const oldText = comment?.getText() ?? null;
+    if (oldText === text) return;
+    if (text !== null) {
+      let comment = this.getIcon(IconType.COMMENT);
+      if (!comment) {
+        const commentConstructor = registry.getClass(
+          registry.Type.ICON,
+          IconType.COMMENT.toString(),
+          false,
+        );
+        if (!commentConstructor) {
+          throw new Error(
+            'No comment icon class is registered, so a comment cannot be set',
+          );
+        }
+        const icon = new commentConstructor(this);
+        if (!isCommentIcon(icon)) {
+          throw new Error(
+            'The class registered as a comment icon does not conform to the ' +
+              'ICommentIcon interface',
+          );
+        }
+        comment = this.addIcon(icon);
+      }
+      eventUtils.disable();
+      comment.setText(text);
+      eventUtils.enable();
+    } else {
+      this.removeIcon(IconType.COMMENT);
+    }
+
+    eventUtils.fire(
+      new (eventUtils.get(eventUtils.BLOCK_CHANGE))(
+        this,
+        'comment',
+        null,
+        oldText,
+        text,
+      ),
+    );
+  }
+
+  /**
+   * Set this block's warning text.
+   *
+   * @param _text The text, or null to delete.
+   * @param _opt_id An optional ID for the warning text to be able to maintain
+   *     multiple warnings.
+   */
+  setWarningText(_text: string | null, _opt_id?: string) {
+    // NOOP.
+  }
+
+  /**
+   * Give this block a mutator dialog.
+   *
+   * @param _mutator A mutator dialog instance or null to remove.
+   */
+  setMutator(_mutator: MutatorIcon) {
+    // NOOP.
+  }
+
+  /** Adds the given icon to the block. */
+  addIcon<T extends IIcon>(icon: T): T {
+    if (this.hasIcon(icon.getType())) throw new DuplicateIconType(icon);
+    this.icons.push(icon);
+    this.icons.sort((a, b) => a.getWeight() - b.getWeight());
+    return icon;
+  }
+
+  /**
+   * Removes the icon whose getType matches the given type iconType from the
+   * block.
+   *
+   * @param type The type of the icon to remove from the block.
+   * @returns True if an icon with the given type was found, false otherwise.
+   */
+  removeIcon(type: IconType<IIcon>): boolean {
+    if (!this.hasIcon(type)) return false;
+    this.getIcon(type)?.dispose();
+    this.icons = this.icons.filter((icon) => !icon.getType().equals(type));
+    return true;
+  }
+
+  /**
+   * @returns True if an icon with the given type exists on the block,
+   *     false otherwise.
+   */
+  hasIcon(type: IconType<IIcon>): boolean {
+    return this.icons.some((icon) => icon.getType().equals(type));
+  }
+
+  /**
+   * @param type The type of the icon to retrieve. Prefer passing an `IconType`
+   *     for proper type checking when using typescript.
+   * @returns The icon with the given type if it exists on the block, undefined
+   *     otherwise.
+   */
+  getIcon<T extends IIcon>(type: IconType<T> | string): T | undefined {
+    if (type instanceof IconType) {
+      return this.icons.find((icon) => icon.getType().equals(type)) as T;
+    } else {
+      return this.icons.find((icon) => icon.getType().toString() === type) as T;
+    }
+  }
+
+  /** @returns An array of the icons attached to this block. */
+  getIcons(): IIcon[] {
+    return [...this.icons];
+  }
+
+  /**
+   * Return the coordinates of the top-left corner of this block relative to the
+   * drawing surface's origin (0,0), in workspace units.
+   *
+   * @returns Object with .x and .y properties.
+   */
+  getRelativeToSurfaceXY(): Coordinate {
+    return this.xy_;
+  }
+
+  /**
+   * Move a block by a relative offset.
+   *
+   * @param dx Horizontal offset, in workspace units.
+   * @param dy Vertical offset, in workspace units.
+   * @param reason Why is this move happening?  'drag', 'bump', 'snap', ...
+   */
+  moveBy(dx: number, dy: number, reason?: string[]) {
+    if (this.parentBlock_) {
+      throw Error('Block has parent');
+    }
+    const event = new (eventUtils.get(eventUtils.BLOCK_MOVE))(
+      this,
+    ) as BlockMove;
+    reason && event.setReason(reason);
+    this.xy_.translate(dx, dy);
+    event.recordNew();
+    eventUtils.fire(event);
+  }
+
+  /**
+   * Create a connection of the specified type.
+   *
+   * @param type The type of the connection to create.
+   * @returns A new connection of the specified type.
+   * @internal
+   */
+  makeConnection_(type: ConnectionType): Connection {
+    return new Connection(this, type);
+  }
+
+  /**
+   * Recursively checks whether all statement and value inputs are filled with
+   * blocks. Also checks all following statement blocks in this stack.
+   *
+   * @param opt_shadowBlocksAreFilled An optional argument controlling whether
+   *     shadow blocks are counted as filled. Defaults to true.
+   * @returns True if all inputs are filled, false otherwise.
+   */
+  allInputsFilled(opt_shadowBlocksAreFilled?: boolean): boolean {
+    // Account for the shadow block filledness toggle.
+    if (opt_shadowBlocksAreFilled === undefined) {
+      opt_shadowBlocksAreFilled = true;
+    }
+    if (!opt_shadowBlocksAreFilled && this.isShadow()) {
+      return false;
+    }
+
+    // Recursively check each input block of the current block.
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      if (!input.connection) {
+        continue;
+      }
+      const target = input.connection.targetBlock();
+      if (!target || !target.allInputsFilled(opt_shadowBlocksAreFilled)) {
+        return false;
+      }
+    }
+
+    // Recursively check the next block after the current block.
+    const next = this.getNextBlock();
+    if (next) {
+      return next.allInputsFilled(opt_shadowBlocksAreFilled);
+    }
+
+    return true;
+  }
+
+  /**
+   * This method returns a string describing this Block in developer terms (type
+   * name and ID; English only).
+   *
+   * Intended to on be used in console logs and errors. If you need a string
+   * that uses the user's native language (including block text, field values,
+   * and child blocks), use [toString()]{@link Block#toString}.
+   *
+   * @returns The description.
+   */
+  toDevString(): string {
+    let msg = this.type ? '"' + this.type + '" block' : 'Block';
+    if (this.id) {
+      msg += ' (id="' + this.id + '")';
+    }
+    return msg;
+  }
+}
+
+export namespace Block {
+  export interface CommentModel {
+    text: string | null;
+    pinned: boolean;
+    size: Size;
+  }
+}
+
+export type CommentModel = Block.CommentModel;
diff --git a/core/block_animations.js b/core/block_animations.js
deleted file mode 100644
index edf599d2e97..00000000000
--- a/core/block_animations.js
+++ /dev/null
@@ -1,203 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Methods animating a block on connection and disconnection.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.blockAnimations');
-
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * PID of disconnect UI animation.  There can only be one at a time.
- * @type {number}
- * @private
- */
-Blockly.blockAnimations.disconnectPid_ = 0;
-
-/**
- * SVG group of wobbling block.  There can only be one at a time.
- * @type {Element}
- * @private
- */
-Blockly.blockAnimations.disconnectGroup_ = null;
-
-/**
- * Play some UI effects (sound, animation) when disposing of a block.
- * @param {!Blockly.BlockSvg} block The block being disposed of.
- * @package
- */
-Blockly.blockAnimations.disposeUiEffect = function(block) {
-  var workspace = block.workspace;
-  var svgGroup = block.getSvgRoot();
-  workspace.getAudioManager().play('delete');
-
-  var xy = workspace.getSvgXY(svgGroup);
-  // Deeply clone the current block.
-  var clone = svgGroup.cloneNode(true);
-  clone.translateX_ = xy.x;
-  clone.translateY_ = xy.y;
-  clone.setAttribute('transform', 'translate(' + xy.x + ',' + xy.y + ')');
-  workspace.getParentSvg().appendChild(clone);
-  clone.bBox_ = clone.getBBox();
-  // Start the animation.
-  Blockly.blockAnimations.disposeUiStep_(clone, workspace.RTL, new Date,
-      workspace.scale);
-};
-
-/**
- * Animate a cloned block and eventually dispose of it.
- * This is a class method, not an instance method since the original block has
- * been destroyed and is no longer accessible.
- * @param {!Element} clone SVG element to animate and dispose of.
- * @param {boolean} rtl True if RTL, false if LTR.
- * @param {!Date} start Date of animation's start.
- * @param {number} workspaceScale Scale of workspace.
- * @private
- */
-Blockly.blockAnimations.disposeUiStep_ = function(clone, rtl, start,
-    workspaceScale) {
-  var ms = new Date - start;
-  var percent = ms / 150;
-  if (percent > 1) {
-    Blockly.utils.dom.removeNode(clone);
-  } else {
-    var x = clone.translateX_ +
-        (rtl ? -1 : 1) * clone.bBox_.width * workspaceScale / 2 * percent;
-    var y = clone.translateY_ + clone.bBox_.height * workspaceScale * percent;
-    var scale = (1 - percent) * workspaceScale;
-    clone.setAttribute('transform', 'translate(' + x + ',' + y + ')' +
-        ' scale(' + scale + ')');
-    setTimeout(Blockly.blockAnimations.disposeUiStep_, 10, clone, rtl, start,
-        workspaceScale);
-  }
-};
-
-/**
- * Play some UI effects (sound, ripple) after a connection has been established.
- * @param {!Blockly.BlockSvg} block The block being connected.
- * @package
- */
-Blockly.blockAnimations.connectionUiEffect = function(block) {
-  var workspace = block.workspace;
-  var scale = workspace.scale;
-  workspace.getAudioManager().play('click');
-  if (scale < 1) {
-    return;  // Too small to care about visual effects.
-  }
-  // Determine the absolute coordinates of the inferior block.
-  var xy = workspace.getSvgXY(block.getSvgRoot());
-  // Offset the coordinates based on the two connection types, fix scale.
-  if (block.outputConnection) {
-    xy.x += (block.RTL ? 3 : -3) * scale;
-    xy.y += 13 * scale;
-  } else if (block.previousConnection) {
-    xy.x += (block.RTL ? -23 : 23) * scale;
-    xy.y += 3 * scale;
-  }
-  var ripple = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.CIRCLE,
-      {
-        'cx': xy.x,
-        'cy': xy.y,
-        'r': 0,
-        'fill': 'none',
-        'stroke': '#888',
-        'stroke-width': 10
-      },
-      workspace.getParentSvg());
-  // Start the animation.
-  Blockly.blockAnimations.connectionUiStep_(ripple, new Date, scale);
-};
-
-/**
- * Expand a ripple around a connection.
- * @param {!SVGElement} ripple Element to animate.
- * @param {!Date} start Date of animation's start.
- * @param {number} scale Scale of workspace.
- * @private
- */
-Blockly.blockAnimations.connectionUiStep_ = function(ripple, start, scale) {
-  var ms = new Date - start;
-  var percent = ms / 150;
-  if (percent > 1) {
-    Blockly.utils.dom.removeNode(ripple);
-  } else {
-    ripple.setAttribute('r', percent * 25 * scale);
-    ripple.style.opacity = 1 - percent;
-    Blockly.blockAnimations.disconnectPid_ = setTimeout(
-        Blockly.blockAnimations.connectionUiStep_, 10, ripple, start, scale);
-  }
-};
-
-/**
- * Play some UI effects (sound, animation) when disconnecting a block.
- * @param {!Blockly.BlockSvg} block The block being disconnected.
- * @package
- */
-Blockly.blockAnimations.disconnectUiEffect = function(block) {
-  block.workspace.getAudioManager().play('disconnect');
-  if (block.workspace.scale < 1) {
-    return;  // Too small to care about visual effects.
-  }
-  // Horizontal distance for bottom of block to wiggle.
-  var DISPLACEMENT = 10;
-  // Scale magnitude of skew to height of block.
-  var height = block.getHeightWidth().height;
-  var magnitude = Math.atan(DISPLACEMENT / height) / Math.PI * 180;
-  if (!block.RTL) {
-    magnitude *= -1;
-  }
-  // Start the animation.
-  Blockly.blockAnimations.disconnectUiStep_(
-      block.getSvgRoot(), magnitude, new Date);
-};
-/**
- * Animate a brief wiggle of a disconnected block.
- * @param {!SVGElement} group SVG element to animate.
- * @param {number} magnitude Maximum degrees skew (reversed for RTL).
- * @param {!Date} start Date of animation's start.
- * @private
- */
-Blockly.blockAnimations.disconnectUiStep_ = function(group, magnitude, start) {
-  var DURATION = 200;  // Milliseconds.
-  var WIGGLES = 3;  // Half oscillations.
-
-  var ms = new Date - start;
-  var percent = ms / DURATION;
-
-  if (percent > 1) {
-    group.skew_ = '';
-  } else {
-    var skew = Math.round(
-        Math.sin(percent * Math.PI * WIGGLES) * (1 - percent) * magnitude);
-    group.skew_ = 'skewX(' + skew + ')';
-    Blockly.blockAnimations.disconnectGroup_ = group;
-    Blockly.blockAnimations.disconnectPid_ =
-        setTimeout(Blockly.blockAnimations.disconnectUiStep_, 10, group,
-            magnitude, start);
-  }
-  group.setAttribute('transform', group.translate_ + group.skew_);
-};
-
-/**
- * Stop the disconnect UI animation immediately.
- * @package
- */
-Blockly.blockAnimations.disconnectUiStop = function() {
-  if (Blockly.blockAnimations.disconnectGroup_) {
-    clearTimeout(Blockly.blockAnimations.disconnectPid_);
-    var group = Blockly.blockAnimations.disconnectGroup_;
-    group.skew_ = '';
-    group.setAttribute('transform', group.translate_);
-    Blockly.blockAnimations.disconnectGroup_ = null;
-  }
-};
diff --git a/core/block_animations.ts b/core/block_animations.ts
new file mode 100644
index 00000000000..f3fc3d454f0
--- /dev/null
+++ b/core/block_animations.ts
@@ -0,0 +1,225 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockAnimations
+
+import type {BlockSvg} from './block_svg.js';
+import * as dom from './utils/dom.js';
+import {Svg} from './utils/svg.js';
+
+/** A bounding box for a cloned block. */
+interface CloneRect {
+  x: number;
+  y: number;
+  width: number;
+  height: number;
+}
+
+/** PID of disconnect UI animation.  There can only be one at a time. */
+let disconnectPid: ReturnType<typeof setTimeout> | null = null;
+
+/** The wobbling block.  There can only be one at a time. */
+let wobblingBlock: BlockSvg | null = null;
+
+/**
+ * Play some UI effects (sound, animation) when disposing of a block.
+ *
+ * @param block The block being disposed of.
+ * @internal
+ */
+export function disposeUiEffect(block: BlockSvg) {
+  // Disposing is going to take so long the animation won't play anyway.
+  if (block.getDescendants(false).length > 100) return;
+
+  const workspace = block.workspace;
+  const svgGroup = block.getSvgRoot();
+  workspace.getAudioManager().play('delete');
+
+  const xy = block.getRelativeToSurfaceXY();
+  // Deeply clone the current block.
+  const clone: SVGGElement = svgGroup.cloneNode(true) as SVGGElement;
+  clone.setAttribute('transform', 'translate(' + xy.x + ',' + xy.y + ')');
+  workspace.getLayerManager()?.appendToAnimationLayer({
+    getSvgRoot: () => {
+      return clone;
+    },
+  });
+  const cloneRect = {
+    'x': xy.x,
+    'y': xy.y,
+    'width': block.width,
+    'height': block.height,
+  };
+  disposeUiStep(clone, cloneRect, workspace.RTL, new Date());
+}
+/**
+ * Animate a cloned block and eventually dispose of it.
+ * This is a class method, not an instance method since the original block has
+ * been destroyed and is no longer accessible.
+ *
+ * @param clone SVG element to animate and dispose of.
+ * @param rect Starting rect of the clone.
+ * @param rtl True if RTL, false if LTR.
+ * @param start Date of animation's start.
+ */
+function disposeUiStep(
+  clone: Element,
+  rect: CloneRect,
+  rtl: boolean,
+  start: Date,
+) {
+  const ms = new Date().getTime() - start.getTime();
+  const percent = ms / 150;
+  if (percent > 1) {
+    dom.removeNode(clone);
+  } else {
+    const x = rect.x + (((rtl ? -1 : 1) * rect.width) / 2) * percent;
+    const y = rect.y + (rect.height / 2) * percent;
+    const scale = 1 - percent;
+    clone.setAttribute(
+      'transform',
+      'translate(' + x + ',' + y + ')' + ' scale(' + scale + ')',
+    );
+    setTimeout(disposeUiStep, 10, clone, rect, rtl, start);
+  }
+}
+
+/**
+ * Play some UI effects (sound, ripple) after a connection has been established.
+ *
+ * @param block The block being connected.
+ * @internal
+ */
+export function connectionUiEffect(block: BlockSvg) {
+  const workspace = block.workspace;
+  const scale = workspace.scale;
+  workspace.getAudioManager().play('click');
+  if (scale < 1) {
+    return; // Too small to care about visual effects.
+  }
+  // Determine the absolute coordinates of the inferior block.
+  const xy = workspace.getSvgXY(block.getSvgRoot());
+  // Offset the coordinates based on the two connection types, fix scale.
+  if (block.outputConnection) {
+    xy.x += (block.RTL ? 3 : -3) * scale;
+    xy.y += 13 * scale;
+  } else if (block.previousConnection) {
+    xy.x += (block.RTL ? -23 : 23) * scale;
+    xy.y += 3 * scale;
+  }
+  const ripple = dom.createSvgElement(
+    Svg.CIRCLE,
+    {
+      'cx': xy.x,
+      'cy': xy.y,
+      'r': 0,
+      'fill': 'none',
+      'stroke': '#888',
+      'stroke-width': 10,
+    },
+    workspace.getParentSvg(),
+  );
+
+  const scaleAnimation = dom.createSvgElement(
+    Svg.ANIMATE,
+    {
+      'id': 'animationCircle',
+      'begin': 'indefinite',
+      'attributeName': 'r',
+      'dur': '150ms',
+      'from': 0,
+      'to': 25 * scale,
+    },
+    ripple,
+  );
+  const opacityAnimation = dom.createSvgElement(
+    Svg.ANIMATE,
+    {
+      'id': 'animationOpacity',
+      'begin': 'indefinite',
+      'attributeName': 'opacity',
+      'dur': '150ms',
+      'from': 1,
+      'to': 0,
+    },
+    ripple,
+  );
+
+  scaleAnimation.beginElement();
+  opacityAnimation.beginElement();
+
+  setTimeout(() => void dom.removeNode(ripple), 150);
+}
+
+/**
+ * Play some UI effects (sound, animation) when disconnecting a block.
+ *
+ * @param block The block being disconnected.
+ * @internal
+ */
+export function disconnectUiEffect(block: BlockSvg) {
+  disconnectUiStop();
+  block.workspace.getAudioManager().play('disconnect');
+  if (block.workspace.scale < 1) {
+    return; // Too small to care about visual effects.
+  }
+  // Horizontal distance for bottom of block to wiggle.
+  const DISPLACEMENT = 10;
+  // Scale magnitude of skew to height of block.
+  const height = block.getHeightWidth().height;
+  let magnitude = (Math.atan(DISPLACEMENT / height) / Math.PI) * 180;
+  if (!block.RTL) {
+    magnitude *= -1;
+  }
+  // Start the animation.
+  wobblingBlock = block;
+  disconnectUiStep(block, magnitude, new Date());
+}
+
+/**
+ * Animate a brief wiggle of a disconnected block.
+ *
+ * @param block Block to animate.
+ * @param magnitude Maximum degrees skew (reversed for RTL).
+ * @param start Date of animation's start.
+ */
+function disconnectUiStep(block: BlockSvg, magnitude: number, start: Date) {
+  const DURATION = 200; // Milliseconds.
+  const WIGGLES = 3; // Half oscillations.
+
+  const ms = new Date().getTime() - start.getTime();
+  const percent = ms / DURATION;
+
+  let skew = '';
+  if (percent <= 1) {
+    const val = Math.round(
+      Math.sin(percent * Math.PI * WIGGLES) * (1 - percent) * magnitude,
+    );
+    skew = `skewX(${val})`;
+    disconnectPid = setTimeout(disconnectUiStep, 10, block, magnitude, start);
+  }
+
+  block
+    .getSvgRoot()
+    .setAttribute('transform', `${block.getTranslation()} ${skew}`);
+}
+
+/**
+ * Stop the disconnect UI animation immediately.
+ *
+ * @internal
+ */
+export function disconnectUiStop() {
+  if (!wobblingBlock) return;
+  if (disconnectPid) {
+    clearTimeout(disconnectPid);
+    disconnectPid = null;
+  }
+  wobblingBlock
+    .getSvgRoot()
+    .setAttribute('transform', wobblingBlock.getTranslation());
+  wobblingBlock = null;
+}
diff --git a/core/block_drag_surface.js b/core/block_drag_surface.js
deleted file mode 100644
index f8c47a6b258..00000000000
--- a/core/block_drag_surface.js
+++ /dev/null
@@ -1,212 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview A class that manages a surface for dragging blocks.  When a
- * block drag is started, we move the block (and children) to a separate DOM
- * element that we move around using translate3d. At the end of the drag, the
- * blocks are put back in into the SVG they came from. This helps performance by
- * avoiding repainting the entire SVG on every mouse move while dragging blocks.
- * @author picklesrus
- */
-
-'use strict';
-
-goog.provide('Blockly.BlockDragSurfaceSvg');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * Class for a drag surface for the currently dragged block. This is a separate
- * SVG that contains only the currently moving block, or nothing.
- * @param {!Element} container Containing element.
- * @constructor
- */
-Blockly.BlockDragSurfaceSvg = function(container) {
-  /**
-   * @type {!Element}
-   * @private
-   */
-  this.container_ = container;
-  this.createDom();
-};
-
-/**
- * The SVG drag surface. Set once by Blockly.BlockDragSurfaceSvg.createDom.
- * @type {SVGElement}
- * @private
- */
-Blockly.BlockDragSurfaceSvg.prototype.SVG_ = null;
-
-/**
- * This is where blocks live while they are being dragged if the drag surface
- * is enabled.
- * @type {SVGElement}
- * @private
- */
-Blockly.BlockDragSurfaceSvg.prototype.dragGroup_ = null;
-
-/**
- * Containing HTML element; parent of the workspace and the drag surface.
- * @type {Element}
- * @private
- */
-Blockly.BlockDragSurfaceSvg.prototype.container_ = null;
-
-/**
- * Cached value for the scale of the drag surface.
- * Used to set/get the correct translation during and after a drag.
- * @type {number}
- * @private
- */
-Blockly.BlockDragSurfaceSvg.prototype.scale_ = 1;
-
-/**
- * Cached value for the translation of the drag surface.
- * This translation is in pixel units, because the scale is applied to the
- * drag group rather than the top-level SVG.
- * @type {Blockly.utils.Coordinate}
- * @private
- */
-Blockly.BlockDragSurfaceSvg.prototype.surfaceXY_ = null;
-
-/**
- * Create the drag surface and inject it into the container.
- */
-Blockly.BlockDragSurfaceSvg.prototype.createDom = function() {
-  if (this.SVG_) {
-    return;  // Already created.
-  }
-  this.SVG_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.SVG, {
-        'xmlns': Blockly.utils.dom.SVG_NS,
-        'xmlns:html': Blockly.utils.dom.HTML_NS,
-        'xmlns:xlink': Blockly.utils.dom.XLINK_NS,
-        'version': '1.1',
-        'class': 'blocklyBlockDragSurface'
-      }, this.container_);
-  this.dragGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G, {}, this.SVG_);
-};
-
-/**
- * Set the SVG blocks on the drag surface's group and show the surface.
- * Only one block group should be on the drag surface at a time.
- * @param {!SVGElement} blocks Block or group of blocks to place on the drag
- * surface.
- */
-Blockly.BlockDragSurfaceSvg.prototype.setBlocksAndShow = function(blocks) {
-  if (this.dragGroup_.childNodes.length) {
-    throw Error('Already dragging a block.');
-  }
-  // appendChild removes the blocks from the previous parent
-  this.dragGroup_.appendChild(blocks);
-  this.SVG_.style.display = 'block';
-  this.surfaceXY_ = new Blockly.utils.Coordinate(0, 0);
-};
-
-/**
- * Translate and scale the entire drag surface group to the given position, to
- * keep in sync with the workspace.
- * @param {number} x X translation in workspace coordinates.
- * @param {number} y Y translation in workspace coordinates.
- * @param {number} scale Scale of the group.
- */
-Blockly.BlockDragSurfaceSvg.prototype.translateAndScaleGroup = function(x, y,
-    scale) {
-  this.scale_ = scale;
-  // This is a work-around to prevent a the blocks from rendering
-  // fuzzy while they are being dragged on the drag surface.
-  var fixedX = x.toFixed(0);
-  var fixedY = y.toFixed(0);
-  this.dragGroup_.setAttribute('transform',
-      'translate(' + fixedX + ',' + fixedY + ') scale(' + scale + ')');
-};
-
-/**
- * Translate the drag surface's SVG based on its internal state.
- * @private
- */
-Blockly.BlockDragSurfaceSvg.prototype.translateSurfaceInternal_ = function() {
-  var x = this.surfaceXY_.x;
-  var y = this.surfaceXY_.y;
-  // This is a work-around to prevent a the blocks from rendering
-  // fuzzy while they are being dragged on the drag surface.
-  x = x.toFixed(0);
-  y = y.toFixed(0);
-  this.SVG_.style.display = 'block';
-
-  Blockly.utils.dom.setCssTransform(this.SVG_,
-      'translate3d(' + x + 'px, ' + y + 'px, 0px)');
-};
-
-/**
- * Translate the entire drag surface during a drag.
- * We translate the drag surface instead of the blocks inside the surface
- * so that the browser avoids repainting the SVG.
- * Because of this, the drag coordinates must be adjusted by scale.
- * @param {number} x X translation for the entire surface.
- * @param {number} y Y translation for the entire surface.
- */
-Blockly.BlockDragSurfaceSvg.prototype.translateSurface = function(x, y) {
-  this.surfaceXY_ = new Blockly.utils.Coordinate(x * this.scale_, y * this.scale_);
-  this.translateSurfaceInternal_();
-};
-
-/**
- * Reports the surface translation in scaled workspace coordinates.
- * Use this when finishing a drag to return blocks to the correct position.
- * @return {!Blockly.utils.Coordinate} Current translation of the surface.
- */
-Blockly.BlockDragSurfaceSvg.prototype.getSurfaceTranslation = function() {
-  var xy = Blockly.utils.getRelativeXY(/** @type {!SVGElement} */ (this.SVG_));
-  return new Blockly.utils.Coordinate(xy.x / this.scale_, xy.y / this.scale_);
-};
-
-/**
- * Provide a reference to the drag group (primarily for
- * BlockSvg.getRelativeToSurfaceXY).
- * @return {SVGElement} Drag surface group element.
- */
-Blockly.BlockDragSurfaceSvg.prototype.getGroup = function() {
-  return this.dragGroup_;
-};
-
-/**
- * Get the current blocks on the drag surface, if any (primarily
- * for BlockSvg.getRelativeToSurfaceXY).
- * @return {Element} Drag surface block DOM element, or undefined if no blocks
- * exist.
- */
-Blockly.BlockDragSurfaceSvg.prototype.getCurrentBlock = function() {
-  return /** @type {Element} */ (this.dragGroup_.firstChild);
-};
-
-/**
- * Clear the group and hide the surface; move the blocks off onto the provided
- * element.
- * If the block is being deleted it doesn't need to go back to the original
- * surface, since it would be removed immediately during dispose.
- * @param {Element=} opt_newSurface Surface the dragging blocks should be moved
- *     to, or null if the blocks should be removed from this surface without
- *     being moved to a different surface.
- */
-Blockly.BlockDragSurfaceSvg.prototype.clearAndHide = function(opt_newSurface) {
-  if (opt_newSurface) {
-    // appendChild removes the node from this.dragGroup_
-    opt_newSurface.appendChild(this.getCurrentBlock());
-  } else {
-    this.dragGroup_.removeChild(this.getCurrentBlock());
-  }
-  this.SVG_.style.display = 'none';
-  if (this.dragGroup_.childNodes.length) {
-    throw Error('Drag group was not cleared.');
-  }
-  this.surfaceXY_ = null;
-};
diff --git a/core/block_dragger.js b/core/block_dragger.js
deleted file mode 100644
index 45d76ac8745..00000000000
--- a/core/block_dragger.js
+++ /dev/null
@@ -1,378 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Methods for dragging a block visually.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.BlockDragger');
-
-goog.require('Blockly.blockAnimations');
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockMove');
-goog.require('Blockly.Events.Ui');
-goog.require('Blockly.InsertionMarkerManager');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-
-
-/**
- * Class for a block dragger.  It moves blocks around the workspace when they
- * are being dragged by a mouse or touch.
- * @param {!Blockly.BlockSvg} block The block to drag.
- * @param {!Blockly.WorkspaceSvg} workspace The workspace to drag on.
- * @constructor
- */
-Blockly.BlockDragger = function(block, workspace) {
-  /**
-   * The top block in the stack that is being dragged.
-   * @type {!Blockly.BlockSvg}
-   * @private
-   */
-  this.draggingBlock_ = block;
-
-  /**
-   * The workspace on which the block is being dragged.
-   * @type {!Blockly.WorkspaceSvg}
-   * @private
-   */
-  this.workspace_ = workspace;
-
-  /**
-   * Object that keeps track of connections on dragged blocks.
-   * @type {!Blockly.InsertionMarkerManager}
-   * @private
-   */
-  this.draggedConnectionManager_ = new Blockly.InsertionMarkerManager(
-      this.draggingBlock_);
-
-  /**
-   * Which delete area the mouse pointer is over, if any.
-   * One of {@link Blockly.DELETE_AREA_TRASH},
-   * {@link Blockly.DELETE_AREA_TOOLBOX}, or {@link Blockly.DELETE_AREA_NONE}.
-   * @type {?number}
-   * @private
-   */
-  this.deleteArea_ = null;
-
-  /**
-   * Whether the block would be deleted if dropped immediately.
-   * @type {boolean}
-   * @private
-   */
-  this.wouldDeleteBlock_ = false;
-
-  /**
-   * The location of the top left corner of the dragging block at the beginning
-   * of the drag in workspace coordinates.
-   * @type {!Blockly.utils.Coordinate}
-   * @private
-   */
-  this.startXY_ = this.draggingBlock_.getRelativeToSurfaceXY();
-
-  /**
-   * A list of all of the icons (comment, warning, and mutator) that are
-   * on this block and its descendants.  Moving an icon moves the bubble that
-   * extends from it if that bubble is open.
-   * @type {Array.<!Object>}
-   * @private
-   */
-  this.dragIconData_ = Blockly.BlockDragger.initIconData_(block);
-};
-
-/**
- * Sever all links from this object.
- * @package
- */
-Blockly.BlockDragger.prototype.dispose = function() {
-  this.dragIconData_.length = 0;
-
-  if (this.draggedConnectionManager_) {
-    this.draggedConnectionManager_.dispose();
-  }
-};
-
-/**
- * Make a list of all of the icons (comment, warning, and mutator) that are
- * on this block and its descendants.  Moving an icon moves the bubble that
- * extends from it if that bubble is open.
- * @param {!Blockly.BlockSvg} block The root block that is being dragged.
- * @return {!Array.<!Object>} The list of all icons and their locations.
- * @private
- */
-Blockly.BlockDragger.initIconData_ = function(block) {
-  // Build a list of icons that need to be moved and where they started.
-  var dragIconData = [];
-  var descendants = block.getDescendants(false);
-  for (var i = 0, descendant; (descendant = descendants[i]); i++) {
-    var icons = descendant.getIcons();
-    for (var j = 0; j < icons.length; j++) {
-      var data = {
-        // Blockly.utils.Coordinate with x and y properties (workspace coordinates).
-        location: icons[j].getIconLocation(),
-        // Blockly.Icon
-        icon: icons[j]
-      };
-      dragIconData.push(data);
-    }
-  }
-  return dragIconData;
-};
-
-/**
- * Start dragging a block.  This includes moving it to the drag surface.
- * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
- *     moved from the position at mouse down, in pixel units.
- * @param {boolean} healStack Whether or not to heal the stack after
- *     disconnecting.
- * @package
- */
-Blockly.BlockDragger.prototype.startBlockDrag = function(currentDragDeltaXY,
-    healStack) {
-  if (!Blockly.Events.getGroup()) {
-    Blockly.Events.setGroup(true);
-  }
-  this.fireDragStartEvent_();
-
-  // Mutators don't have the same type of z-ordering as the normal workspace
-  // during a drag.  They have to rely on the order of the blocks in the SVG.
-  // For performance reasons that usually happens at the end of a drag,
-  // but do it at the beginning for mutators.
-  if (this.workspace_.isMutator) {
-    this.draggingBlock_.bringToFront();
-  }
-
-  // During a drag there may be a lot of rerenders, but not field changes.
-  // Turn the cache on so we don't do spurious remeasures during the drag.
-  Blockly.utils.dom.startTextWidthCache();
-  this.workspace_.setResizesEnabled(false);
-  Blockly.blockAnimations.disconnectUiStop();
-
-  if (this.draggingBlock_.getParent() ||
-      (healStack && this.draggingBlock_.nextConnection &&
-      this.draggingBlock_.nextConnection.targetBlock())) {
-    this.draggingBlock_.unplug(healStack);
-    var delta = this.pixelsToWorkspaceUnits_(currentDragDeltaXY);
-    var newLoc = Blockly.utils.Coordinate.sum(this.startXY_, delta);
-
-    this.draggingBlock_.translate(newLoc.x, newLoc.y);
-    Blockly.blockAnimations.disconnectUiEffect(this.draggingBlock_);
-    this.draggedConnectionManager_.updateAvailableConnections();
-  }
-  this.draggingBlock_.setDragging(true);
-  // For future consideration: we may be able to put moveToDragSurface inside
-  // the block dragger, which would also let the block not track the block drag
-  // surface.
-  this.draggingBlock_.moveToDragSurface();
-
-  var toolbox = this.workspace_.getToolbox();
-  if (toolbox && typeof toolbox.addStyle == 'function') {
-    var style = this.draggingBlock_.isDeletable() ? 'blocklyToolboxDelete' :
-        'blocklyToolboxGrab';
-    toolbox.addStyle(style);
-  }
-};
-
-/**
- * Fire a UI event at the start of a block drag.
- * @private
- */
-Blockly.BlockDragger.prototype.fireDragStartEvent_ = function() {
-  var event = new Blockly.Events.Ui(this.draggingBlock_, 'dragStart',
-      null, this.draggingBlock_.getDescendants(false));
-  Blockly.Events.fire(event);
-};
-
-/**
- * Execute a step of block dragging, based on the given event.  Update the
- * display accordingly.
- * @param {!Event} e The most recent move event.
- * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
- *     moved from the position at the start of the drag, in pixel units.
- * @package
- */
-Blockly.BlockDragger.prototype.dragBlock = function(e, currentDragDeltaXY) {
-  var delta = this.pixelsToWorkspaceUnits_(currentDragDeltaXY);
-  var newLoc = Blockly.utils.Coordinate.sum(this.startXY_, delta);
-
-  this.draggingBlock_.moveDuringDrag(newLoc);
-  this.dragIcons_(delta);
-
-  this.deleteArea_ = this.workspace_.isDeleteArea(e);
-  this.draggedConnectionManager_.update(delta, this.deleteArea_);
-
-  this.updateCursorDuringBlockDrag_();
-};
-
-/**
- * Finish a block drag and put the block back on the workspace.
- * @param {!Event} e The mouseup/touchend event.
- * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
- *     moved from the position at the start of the drag, in pixel units.
- * @package
- */
-Blockly.BlockDragger.prototype.endBlockDrag = function(e, currentDragDeltaXY) {
-  // Make sure internal state is fresh.
-  this.dragBlock(e, currentDragDeltaXY);
-  this.dragIconData_ = [];
-  this.fireDragEndEvent_();
-
-  Blockly.utils.dom.stopTextWidthCache();
-
-  Blockly.blockAnimations.disconnectUiStop();
-
-  var delta = this.pixelsToWorkspaceUnits_(currentDragDeltaXY);
-  var newLoc = Blockly.utils.Coordinate.sum(this.startXY_, delta);
-  this.draggingBlock_.moveOffDragSurface(newLoc);
-
-  var deleted = this.maybeDeleteBlock_();
-  if (!deleted) {
-    // These are expensive and don't need to be done if we're deleting.
-    this.draggingBlock_.moveConnections(delta.x, delta.y);
-    this.draggingBlock_.setDragging(false);
-    this.fireMoveEvent_();
-    if (this.draggedConnectionManager_.wouldConnectBlock()) {
-      // Applying connections also rerenders the relevant blocks.
-      this.draggedConnectionManager_.applyConnections();
-    } else {
-      this.draggingBlock_.render();
-    }
-    this.draggingBlock_.scheduleSnapAndBump();
-  }
-  this.workspace_.setResizesEnabled(true);
-
-  var toolbox = this.workspace_.getToolbox();
-  if (toolbox && typeof toolbox.removeStyle == 'function') {
-    var style = this.draggingBlock_.isDeletable() ? 'blocklyToolboxDelete' :
-        'blocklyToolboxGrab';
-    toolbox.removeStyle(style);
-  }
-  Blockly.Events.setGroup(false);
-};
-
-/**
- * Fire a UI event at the end of a block drag.
- * @private
- */
-Blockly.BlockDragger.prototype.fireDragEndEvent_ = function() {
-  var event = new Blockly.Events.Ui(this.draggingBlock_, 'dragStop',
-      this.draggingBlock_.getDescendants(false), null);
-  Blockly.Events.fire(event);
-};
-
-/**
- * Fire a move event at the end of a block drag.
- * @private
- */
-Blockly.BlockDragger.prototype.fireMoveEvent_ = function() {
-  var event = new Blockly.Events.BlockMove(this.draggingBlock_);
-  event.oldCoordinate = this.startXY_;
-  event.recordNew();
-  Blockly.Events.fire(event);
-};
-
-/**
- * Shut the trash can and, if necessary, delete the dragging block.
- * Should be called at the end of a block drag.
- * @return {boolean} Whether the block was deleted.
- * @private
- */
-Blockly.BlockDragger.prototype.maybeDeleteBlock_ = function() {
-  var trashcan = this.workspace_.trashcan;
-
-  if (this.wouldDeleteBlock_) {
-    if (trashcan) {
-      setTimeout(trashcan.closeLid.bind(trashcan), 100);
-    }
-    // Fire a move event, so we know where to go back to for an undo.
-    this.fireMoveEvent_();
-    this.draggingBlock_.dispose(false, true);
-    Blockly.draggingConnections = [];
-  } else if (trashcan) {
-    // Make sure the trash can lid is closed.
-    trashcan.closeLid();
-  }
-  return this.wouldDeleteBlock_;
-};
-
-/**
- * Update the cursor (and possibly the trash can lid) to reflect whether the
- * dragging block would be deleted if released immediately.
- * @private
- */
-Blockly.BlockDragger.prototype.updateCursorDuringBlockDrag_ = function() {
-  this.wouldDeleteBlock_ = this.draggedConnectionManager_.wouldDeleteBlock();
-  var trashcan = this.workspace_.trashcan;
-  if (this.wouldDeleteBlock_) {
-    this.draggingBlock_.setDeleteStyle(true);
-    if (this.deleteArea_ == Blockly.DELETE_AREA_TRASH && trashcan) {
-      trashcan.setLidOpen(true);
-    }
-  } else {
-    this.draggingBlock_.setDeleteStyle(false);
-    if (trashcan) {
-      trashcan.setLidOpen(false);
-    }
-  }
-};
-
-/**
- * Convert a coordinate object from pixels to workspace units, including a
- * correction for mutator workspaces.
- * This function does not consider differing origins.  It simply scales the
- * input's x and y values.
- * @param {!Blockly.utils.Coordinate} pixelCoord A coordinate with x and y values
- *     in CSS pixel units.
- * @return {!Blockly.utils.Coordinate} The input coordinate divided by the workspace
- *     scale.
- * @private
- */
-Blockly.BlockDragger.prototype.pixelsToWorkspaceUnits_ = function(pixelCoord) {
-  var result = new Blockly.utils.Coordinate(
-      pixelCoord.x / this.workspace_.scale,
-      pixelCoord.y / this.workspace_.scale);
-  if (this.workspace_.isMutator) {
-    // If we're in a mutator, its scale is always 1, purely because of some
-    // oddities in our rendering optimizations.  The actual scale is the same as
-    // the scale on the parent workspace.
-    // Fix that for dragging.
-    var mainScale = this.workspace_.options.parentWorkspace.scale;
-    result.scale(1 / mainScale);
-  }
-  return result;
-};
-
-/**
- * Move all of the icons connected to this drag.
- * @param {!Blockly.utils.Coordinate} dxy How far to move the icons from their
- *     original positions, in workspace units.
- * @private
- */
-Blockly.BlockDragger.prototype.dragIcons_ = function(dxy) {
-  // Moving icons moves their associated bubbles.
-  for (var i = 0; i < this.dragIconData_.length; i++) {
-    var data = this.dragIconData_[i];
-    data.icon.setIconLocation(Blockly.utils.Coordinate.sum(data.location, dxy));
-  }
-};
-
-/**
- * Get a list of the insertion markers that currently exist.  Drags have 0, 1,
- * or 2 insertion markers.
- * @return {!Array.<!Blockly.BlockSvg>} A possibly empty list of insertion
- *     marker blocks.
- * @package
- */
-Blockly.BlockDragger.prototype.getInsertionMarkers = function() {
-  // No insertion markers with the old style of dragged connection managers.
-  if (this.draggedConnectionManager_ &&
-      this.draggedConnectionManager_.getInsertionMarkers) {
-    return this.draggedConnectionManager_.getInsertionMarkers();
-  }
-  return [];
-};
diff --git a/core/block_events.js b/core/block_events.js
deleted file mode 100644
index 03e80b26bf1..00000000000
--- a/core/block_events.js
+++ /dev/null
@@ -1,548 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Classes for all types of block events.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.Events.BlockBase');
-goog.provide('Blockly.Events.BlockChange');
-goog.provide('Blockly.Events.BlockCreate');
-goog.provide('Blockly.Events.BlockDelete');
-goog.provide('Blockly.Events.BlockMove');
-goog.provide('Blockly.Events.Change');  // Deprecated.
-goog.provide('Blockly.Events.Create');  // Deprecated.
-goog.provide('Blockly.Events.Delete');  // Deprecated.
-goog.provide('Blockly.Events.Move');  // Deprecated.
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.Abstract');
-goog.require('Blockly.registry');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.xml');
-// TODO: Fix recursive dependency.
-// goog.require('Blockly.Xml');
-
-
-/**
- * Abstract class for a block event.
- * @param {!Blockly.Block=} opt_block The block this event corresponds to.
- *     Undefined for a blank event.
- * @extends {Blockly.Events.Abstract}
- * @constructor
- */
-Blockly.Events.BlockBase = function(opt_block) {
-  Blockly.Events.BlockBase.superClass_.constructor.call(this);
-  this.isBlank = typeof opt_block == 'undefined';
-
-  /**
-   * The block id for the block this event pertains to
-   * @type {string}
-   */
-  this.blockId = this.isBlank ? '' : opt_block.id;
-
-  /**
-   * The workspace identifier for this event.
-   * @type {string}
-   */
-  this.workspaceId = this.isBlank ? '' : opt_block.workspace.id;
-};
-Blockly.utils.object.inherits(Blockly.Events.BlockBase,
-    Blockly.Events.Abstract);
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-Blockly.Events.BlockBase.prototype.toJson = function() {
-  var json = Blockly.Events.BlockBase.superClass_.toJson.call(this);
-  json['blockId'] = this.blockId;
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.BlockBase.prototype.fromJson = function(json) {
-  Blockly.Events.BlockBase.superClass_.fromJson.call(this, json);
-  this.blockId = json['blockId'];
-};
-
-/**
- * Class for a block change event.
- * @param {!Blockly.Block=} opt_block The changed block.  Undefined for a blank
- *     event.
- * @param {string=} opt_element One of 'field', 'comment', 'disabled', etc.
- * @param {?string=} opt_name Name of input or field affected, or null.
- * @param {*=} opt_oldValue Previous value of element.
- * @param {*=} opt_newValue New value of element.
- * @extends {Blockly.Events.BlockBase}
- * @constructor
- */
-Blockly.Events.Change = function(opt_block, opt_element, opt_name, opt_oldValue,
-    opt_newValue) {
-  Blockly.Events.Change.superClass_.constructor.call(this, opt_block);
-  if (!opt_block) {
-    return;  // Blank event to be populated by fromJson.
-  }
-  this.element = typeof opt_element == 'undefined' ? '' : opt_element;
-  this.name = typeof opt_name == 'undefined' ? '' : opt_name;
-  this.oldValue = typeof opt_oldValue == 'undefined' ? '' : opt_oldValue;
-  this.newValue = typeof opt_newValue == 'undefined' ? '' : opt_newValue;
-};
-Blockly.utils.object.inherits(Blockly.Events.Change, Blockly.Events.BlockBase);
-
-/**
- * Class for a block change event.
- * @param {!Blockly.Block=} opt_block The changed block.  Undefined for a blank
- *     event.
- * @param {string=} opt_element One of 'field', 'comment', 'disabled', etc.
- * @param {?string=} opt_name Name of input or field affected, or null.
- * @param {*=} opt_oldValue Previous value of element.
- * @param {*=} opt_newValue New value of element.
- * @extends {Blockly.Events.BlockBase}
- * @constructor
- */
-Blockly.Events.BlockChange = Blockly.Events.Change;
-
-/**
- * Type of this event.
- * @type {string}
- */
-Blockly.Events.Change.prototype.type = Blockly.Events.CHANGE;
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-Blockly.Events.Change.prototype.toJson = function() {
-  var json = Blockly.Events.Change.superClass_.toJson.call(this);
-  json['element'] = this.element;
-  if (this.name) {
-    json['name'] = this.name;
-  }
-  json['newValue'] = this.newValue;
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.Change.prototype.fromJson = function(json) {
-  Blockly.Events.Change.superClass_.fromJson.call(this, json);
-  this.element = json['element'];
-  this.name = json['name'];
-  this.newValue = json['newValue'];
-};
-
-/**
- * Does this event record any change of state?
- * @return {boolean} False if something changed.
- */
-Blockly.Events.Change.prototype.isNull = function() {
-  return this.oldValue == this.newValue;
-};
-
-/**
- * Run a change event.
- * @param {boolean} forward True if run forward, false if run backward (undo).
- */
-Blockly.Events.Change.prototype.run = function(forward) {
-  var workspace = this.getEventWorkspace_();
-  var block = workspace.getBlockById(this.blockId);
-  if (!block) {
-    console.warn("Can't change non-existent block: " + this.blockId);
-    return;
-  }
-  if (block.mutator) {
-    // Close the mutator (if open) since we don't want to update it.
-    block.mutator.setVisible(false);
-  }
-  var value = forward ? this.newValue : this.oldValue;
-  switch (this.element) {
-    case 'field':
-      var field = block.getField(this.name);
-      if (field) {
-        field.setValue(value);
-      } else {
-        console.warn("Can't set non-existent field: " + this.name);
-      }
-      break;
-    case 'comment':
-      block.setCommentText(/** @type {string} */ (value) || null);
-      break;
-    case 'collapsed':
-      block.setCollapsed(!!value);
-      break;
-    case 'disabled':
-      block.setEnabled(!value);
-      break;
-    case 'inline':
-      block.setInputsInline(!!value);
-      break;
-    case 'mutation':
-      var oldMutation = '';
-      if (block.mutationToDom) {
-        var oldMutationDom = block.mutationToDom();
-        oldMutation = oldMutationDom && Blockly.Xml.domToText(oldMutationDom);
-      }
-      if (block.domToMutation) {
-        var dom = Blockly.Xml.textToDom(/** @type {string} */ (value) || '<mutation/>');
-        block.domToMutation(dom);
-      }
-      Blockly.Events.fire(new Blockly.Events.Change(
-          block, 'mutation', null, oldMutation, value));
-      break;
-    default:
-      console.warn('Unknown change type: ' + this.element);
-  }
-};
-
-/**
- * Class for a block creation event.
- * @param {!Blockly.Block=} opt_block The created block.  Undefined for a blank
- *     event.
- * @extends {Blockly.Events.BlockBase}
- * @constructor
- */
-Blockly.Events.Create = function(opt_block) {
-  Blockly.Events.Create.superClass_.constructor.call(this, opt_block);
-  if (!opt_block) {
-    return;  // Blank event to be populated by fromJson.
-  }
-  if (opt_block.isShadow()) {
-    // Moving shadow blocks is handled via disconnection.
-    this.recordUndo = false;
-  }
-
-  if (opt_block.workspace.rendered) {
-    this.xml = Blockly.Xml.blockToDomWithXY(opt_block);
-  } else {
-    this.xml = Blockly.Xml.blockToDom(opt_block);
-  }
-  this.ids = Blockly.Events.getDescendantIds(opt_block);
-};
-Blockly.utils.object.inherits(Blockly.Events.Create, Blockly.Events.BlockBase);
-
-/**
- * Class for a block creation event.
- * @param {!Blockly.Block=} block The created block. Undefined for a blank
- *     event.
- * @extends {Blockly.Events.BlockBase}
- * @constructor
- */
-Blockly.Events.BlockCreate = Blockly.Events.Create;
-
-/**
- * Type of this event.
- * @type {string}
- */
-Blockly.Events.Create.prototype.type = Blockly.Events.CREATE;
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-Blockly.Events.Create.prototype.toJson = function() {
-  var json = Blockly.Events.Create.superClass_.toJson.call(this);
-  json['xml'] = Blockly.Xml.domToText(this.xml);
-  json['ids'] = this.ids;
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.Create.prototype.fromJson = function(json) {
-  Blockly.Events.Create.superClass_.fromJson.call(this, json);
-  this.xml = Blockly.Xml.textToDom(json['xml']);
-  this.ids = json['ids'];
-};
-
-/**
- * Run a creation event.
- * @param {boolean} forward True if run forward, false if run backward (undo).
- */
-Blockly.Events.Create.prototype.run = function(forward) {
-  var workspace = this.getEventWorkspace_();
-  if (forward) {
-    var xml = Blockly.utils.xml.createElement('xml');
-    xml.appendChild(this.xml);
-    Blockly.Xml.domToWorkspace(xml, workspace);
-  } else {
-    for (var i = 0, id; (id = this.ids[i]); i++) {
-      var block = workspace.getBlockById(id);
-      if (block) {
-        block.dispose(false);
-      } else if (id == this.blockId) {
-        // Only complain about root-level block.
-        console.warn("Can't uncreate non-existent block: " + id);
-      }
-    }
-  }
-};
-
-/**
- * Class for a block deletion event.
- * @param {!Blockly.Block=} opt_block The deleted block.  Undefined for a blank
- *     event.
- * @extends {Blockly.Events.BlockBase}
- * @constructor
- */
-Blockly.Events.Delete = function(opt_block) {
-  Blockly.Events.Delete.superClass_.constructor.call(this, opt_block);
-  if (!opt_block) {
-    return;  // Blank event to be populated by fromJson.
-  }
-  if (opt_block.getParent()) {
-    throw Error('Connected blocks cannot be deleted.');
-  }
-  if (opt_block.isShadow()) {
-    // Respawning shadow blocks is handled via disconnection.
-    this.recordUndo = false;
-  }
-
-  if (opt_block.workspace.rendered) {
-    this.oldXml = Blockly.Xml.blockToDomWithXY(opt_block);
-  } else {
-    this.oldXml = Blockly.Xml.blockToDom(opt_block);
-  }
-  this.ids = Blockly.Events.getDescendantIds(opt_block);
-};
-Blockly.utils.object.inherits(Blockly.Events.Delete, Blockly.Events.BlockBase);
-
-/**
- * Class for a block deletion event.
- * @param {Blockly.Block} block The deleted block.  Null for a blank event.
- * @extends {Blockly.Events.BlockBase}
- * @constructor
- */
-Blockly.Events.BlockDelete = Blockly.Events.Delete;
-
-/**
- * Type of this event.
- * @type {string}
- */
-Blockly.Events.Delete.prototype.type = Blockly.Events.DELETE;
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-Blockly.Events.Delete.prototype.toJson = function() {
-  var json = Blockly.Events.Delete.superClass_.toJson.call(this);
-  json['ids'] = this.ids;
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.Delete.prototype.fromJson = function(json) {
-  Blockly.Events.Delete.superClass_.fromJson.call(this, json);
-  this.ids = json['ids'];
-};
-
-/**
- * Run a deletion event.
- * @param {boolean} forward True if run forward, false if run backward (undo).
- */
-Blockly.Events.Delete.prototype.run = function(forward) {
-  var workspace = this.getEventWorkspace_();
-  if (forward) {
-    for (var i = 0, id; (id = this.ids[i]); i++) {
-      var block = workspace.getBlockById(id);
-      if (block) {
-        block.dispose(false);
-      } else if (id == this.blockId) {
-        // Only complain about root-level block.
-        console.warn("Can't delete non-existent block: " + id);
-      }
-    }
-  } else {
-    var xml = Blockly.utils.xml.createElement('xml');
-    xml.appendChild(this.oldXml);
-    Blockly.Xml.domToWorkspace(xml, workspace);
-  }
-};
-
-/**
- * Class for a block move event.  Created before the move.
- * @param {!Blockly.Block=} opt_block The moved block.  Undefined for a blank
- *     event.
- * @extends {Blockly.Events.BlockBase}
- * @constructor
- */
-Blockly.Events.Move = function(opt_block) {
-  Blockly.Events.Move.superClass_.constructor.call(this, opt_block);
-  if (!opt_block) {
-    return;  // Blank event to be populated by fromJson.
-  }
-  if (opt_block.isShadow()) {
-    // Moving shadow blocks is handled via disconnection.
-    this.recordUndo = false;
-  }
-
-  var location = this.currentLocation_();
-  this.oldParentId = location.parentId;
-  this.oldInputName = location.inputName;
-  this.oldCoordinate = location.coordinate;
-};
-Blockly.utils.object.inherits(Blockly.Events.Move, Blockly.Events.BlockBase);
-
-/**
- * Class for a block move event.  Created before the move.
- * @param {Blockly.Block} block The moved block.  Null for a blank event.
- * @extends {Blockly.Events.BlockBase}
- * @constructor
- */
-Blockly.Events.BlockMove = Blockly.Events.Move;
-
-/**
- * Type of this event.
- * @type {string}
- */
-Blockly.Events.Move.prototype.type = Blockly.Events.MOVE;
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-Blockly.Events.Move.prototype.toJson = function() {
-  var json = Blockly.Events.Move.superClass_.toJson.call(this);
-  if (this.newParentId) {
-    json['newParentId'] = this.newParentId;
-  }
-  if (this.newInputName) {
-    json['newInputName'] = this.newInputName;
-  }
-  if (this.newCoordinate) {
-    json['newCoordinate'] = Math.round(this.newCoordinate.x) + ',' +
-        Math.round(this.newCoordinate.y);
-  }
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.Move.prototype.fromJson = function(json) {
-  Blockly.Events.Move.superClass_.fromJson.call(this, json);
-  this.newParentId = json['newParentId'];
-  this.newInputName = json['newInputName'];
-  if (json['newCoordinate']) {
-    var xy = json['newCoordinate'].split(',');
-    this.newCoordinate =
-        new Blockly.utils.Coordinate(Number(xy[0]), Number(xy[1]));
-  }
-};
-
-/**
- * Record the block's new location.  Called after the move.
- */
-Blockly.Events.Move.prototype.recordNew = function() {
-  var location = this.currentLocation_();
-  this.newParentId = location.parentId;
-  this.newInputName = location.inputName;
-  this.newCoordinate = location.coordinate;
-};
-
-/**
- * Returns the parentId and input if the block is connected,
- *   or the XY location if disconnected.
- * @return {!Object} Collection of location info.
- * @private
- */
-Blockly.Events.Move.prototype.currentLocation_ = function() {
-  var workspace = this.getEventWorkspace_();
-  var block = workspace.getBlockById(this.blockId);
-  var location = {};
-  var parent = block.getParent();
-  if (parent) {
-    location.parentId = parent.id;
-    var input = parent.getInputWithBlock(block);
-    if (input) {
-      location.inputName = input.name;
-    }
-  } else {
-    location.coordinate = block.getRelativeToSurfaceXY();
-  }
-  return location;
-};
-
-/**
- * Does this event record any change of state?
- * @return {boolean} False if something changed.
- */
-Blockly.Events.Move.prototype.isNull = function() {
-  return this.oldParentId == this.newParentId &&
-      this.oldInputName == this.newInputName &&
-      Blockly.utils.Coordinate.equals(this.oldCoordinate, this.newCoordinate);
-};
-
-/**
- * Run a move event.
- * @param {boolean} forward True if run forward, false if run backward (undo).
- */
-Blockly.Events.Move.prototype.run = function(forward) {
-  var workspace = this.getEventWorkspace_();
-  var block = workspace.getBlockById(this.blockId);
-  if (!block) {
-    console.warn("Can't move non-existent block: " + this.blockId);
-    return;
-  }
-  var parentId = forward ? this.newParentId : this.oldParentId;
-  var inputName = forward ? this.newInputName : this.oldInputName;
-  var coordinate = forward ? this.newCoordinate : this.oldCoordinate;
-  var parentBlock = null;
-  if (parentId) {
-    parentBlock = workspace.getBlockById(parentId);
-    if (!parentBlock) {
-      console.warn("Can't connect to non-existent block: " + parentId);
-      return;
-    }
-  }
-  if (block.getParent()) {
-    block.unplug();
-  }
-  if (coordinate) {
-    var xy = block.getRelativeToSurfaceXY();
-    block.moveBy(coordinate.x - xy.x, coordinate.y - xy.y);
-  } else {
-    var blockConnection = block.outputConnection || block.previousConnection;
-    var parentConnection;
-    if (inputName) {
-      var input = parentBlock.getInput(inputName);
-      if (input) {
-        parentConnection = input.connection;
-      }
-    } else if (blockConnection.type == Blockly.PREVIOUS_STATEMENT) {
-      parentConnection = parentBlock.nextConnection;
-    }
-    if (parentConnection) {
-      blockConnection.connect(parentConnection);
-    } else {
-      console.warn("Can't connect to non-existent input: " + inputName);
-    }
-  }
-};
-
-Blockly.registry.register(Blockly.registry.Type.EVENT, Blockly.Events.CREATE,
-    Blockly.Events.Create);
-Blockly.registry.register(Blockly.registry.Type.EVENT, Blockly.Events.DELETE,
-    Blockly.Events.Delete);
-Blockly.registry.register(Blockly.registry.Type.EVENT, Blockly.Events.CHANGE,
-    Blockly.Events.Change);
-Blockly.registry.register(Blockly.registry.Type.EVENT, Blockly.Events.MOVE,
-    Blockly.Events.Move);
diff --git a/core/block_svg.js b/core/block_svg.js
deleted file mode 100644
index bf13267f441..00000000000
--- a/core/block_svg.js
+++ /dev/null
@@ -1,1763 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Methods for graphically rendering a block as SVG.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.BlockSvg');
-
-goog.require('Blockly.ASTNode');
-goog.require('Blockly.Block');
-goog.require('Blockly.blockAnimations');
-goog.require('Blockly.blockRendering.IPathObject');
-goog.require('Blockly.ContextMenu');
-goog.require('Blockly.ContextMenuRegistry');
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.Ui');
-goog.require('Blockly.Events.BlockMove');
-goog.require('Blockly.Msg');
-goog.require('Blockly.navigation');
-goog.require('Blockly.RenderedConnection');
-goog.require('Blockly.TabNavigateCursor');
-goog.require('Blockly.Tooltip');
-goog.require('Blockly.Touch');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.deprecation');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Rect');
-
-goog.requireType('Blockly.IASTNodeLocationSvg');
-goog.requireType('Blockly.IBoundedElement');
-goog.requireType('Blockly.ICopyable');
-
-
-/**
- * Class for a block's SVG representation.
- * Not normally called directly, workspace.newBlock() is preferred.
- * @param {!Blockly.WorkspaceSvg} workspace The block's workspace.
- * @param {?string} prototypeName Name of the language object containing
- *     type-specific functions for this block.
- * @param {string=} opt_id Optional ID.  Use this ID if provided, otherwise
- *     create a new ID.
- * @extends {Blockly.Block}
- * @implements {Blockly.IASTNodeLocationSvg}
- * @implements {Blockly.IBoundedElement}
- * @implements {Blockly.ICopyable}
- * @constructor
- */
-Blockly.BlockSvg = function(workspace, prototypeName, opt_id) {
-  // Create core elements for the block.
-  /**
-   * @type {!SVGGElement}
-   * @private
-   */
-  this.svgGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G, {}, null);
-  this.svgGroup_.translate_ = '';
-
-  /**
-   * A block style object.
-   * @type {!Blockly.Theme.BlockStyle}
-   */
-  this.style = workspace.getRenderer().getConstants().getBlockStyle(null);
-
-  /**
-   * The renderer's path object.
-   * @type {Blockly.blockRendering.IPathObject}
-   * @package
-   */
-  this.pathObject = workspace.getRenderer().makePathObject(
-      this.svgGroup_, this.style);
-
-  /** @type {boolean} */
-  this.rendered = false;
-  /**
-   * Is this block currently rendering? Used to stop recursive render calls
-   * from actually triggering a re-render.
-   * @type {boolean}
-   * @private
-   */
-  this.renderIsInProgress_ = false;
-
-
-  /** @type {!Blockly.WorkspaceSvg} */
-  this.workspace = workspace;
-
-  /** @type {Blockly.RenderedConnection} */
-  this.outputConnection = null;
-  /** @type {Blockly.RenderedConnection} */
-  this.nextConnection = null;
-  /** @type {Blockly.RenderedConnection} */
-  this.previousConnection = null;
-
-  /**
-   * Whether to move the block to the drag surface when it is dragged.
-   * True if it should move, false if it should be translated directly.
-   * @type {boolean}
-   * @private
-   */
-  this.useDragSurface_ =
-      Blockly.utils.is3dSupported() && !!workspace.getBlockDragSurface();
-
-  var svgPath = this.pathObject.svgPath;
-  svgPath.tooltip = this;
-  Blockly.Tooltip.bindMouseEvents(svgPath);
-  Blockly.BlockSvg.superClass_.constructor.call(this,
-      workspace, prototypeName, opt_id);
-
-  // Expose this block's ID on its top-level SVG group.
-  if (this.svgGroup_.dataset) {
-    this.svgGroup_.dataset['id'] = this.id;
-  }
-};
-Blockly.utils.object.inherits(Blockly.BlockSvg, Blockly.Block);
-
-/**
- * Height of this block, not including any statement blocks above or below.
- * Height is in workspace units.
- */
-Blockly.BlockSvg.prototype.height = 0;
-
-/**
- * Width of this block, including any connected value blocks.
- * Width is in workspace units.
- */
-Blockly.BlockSvg.prototype.width = 0;
-
-/**
- * Map from IDs for warnings text to PIDs of functions to apply them.
- * Used to be able to maintain multiple warnings.
- * @type {Object.<string, number>}
- * @private
- */
-Blockly.BlockSvg.prototype.warningTextDb_ = null;
-
-/**
- * Constant for identifying rows that are to be rendered inline.
- * Don't collide with Blockly.INPUT_VALUE and friends.
- * @const
- */
-Blockly.BlockSvg.INLINE = -1;
-
-/**
- * ID to give the "collapsed warnings" warning. Allows us to remove the
- * "collapsed warnings" warning without removing any warnings that belong to
- * the block.
- * @type {string}
- * @const
- */
-Blockly.BlockSvg.COLLAPSED_WARNING_ID = 'TEMP_COLLAPSED_WARNING_';
-
-/**
- * An optional method called when a mutator dialog is first opened.
- * This function must create and initialize a top-level block for the mutator
- * dialog, and return it. This function should also populate this top-level
- * block with any sub-blocks which are appropriate. This method must also be
- * coupled with defining a `compose` method for the default mutation dialog
- * button and UI to appear.
- * @type {?function(Blockly.WorkspaceSvg):!Blockly.BlockSvg}
- */
-Blockly.BlockSvg.prototype.decompose;
-
-/**
- * An optional method called when a mutator dialog saves its content.
- * This function is called to modify the original block according to new
- * settings. This method must also be coupled with defining a `decompose`
- * method for the default mutation dialog button and UI to appear.
- * @type {?function(!Blockly.BlockSvg)}
- */
-Blockly.BlockSvg.prototype.compose;
-
-/**
- * An optional method for defining custom block context menu items.
- * @type {?function(!Array.<!Object>)}
- */
-Blockly.BlockSvg.prototype.customContextMenu;
-
-/**
- * An property used internally to reference the block's rendering debugger.
- * @type {?Blockly.blockRendering.Debug}
- * @package
- */
-Blockly.BlockSvg.prototype.renderingDebugger;
-
-/**
- * Create and initialize the SVG representation of the block.
- * May be called more than once.
- */
-Blockly.BlockSvg.prototype.initSvg = function() {
-  if (!this.workspace.rendered) {
-    throw TypeError('Workspace is headless.');
-  }
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    input.init();
-  }
-  var icons = this.getIcons();
-  for (var i = 0; i < icons.length; i++) {
-    icons[i].createIcon();
-  }
-  this.applyColour();
-  this.pathObject.updateMovable(this.isMovable());
-  var svg = this.getSvgRoot();
-  if (!this.workspace.options.readOnly && !this.eventsInit_ && svg) {
-    Blockly.bindEventWithChecks_(
-        svg, 'mousedown', this, this.onMouseDown_);
-  }
-  this.eventsInit_ = true;
-
-  if (!svg.parentNode) {
-    this.workspace.getCanvas().appendChild(svg);
-  }
-};
-
-/**
- * Get the secondary colour of a block.
- * @return {?string} #RRGGBB string.
- */
-Blockly.BlockSvg.prototype.getColourSecondary = function() {
-  return this.style.colourSecondary;
-};
-
-/**
- * Get the tertiary colour of a block.
- * @return {?string} #RRGGBB string.
- */
-Blockly.BlockSvg.prototype.getColourTertiary = function() {
-  return this.style.colourTertiary;
-};
-
-/**
- * Get the shadow colour of a block.
- * @return {?string} #RRGGBB string.
- * @deprecated Use style.colourSecondary. (2020 January 21)
- */
-Blockly.BlockSvg.prototype.getColourShadow = function() {
-  Blockly.utils.deprecation.warn(
-      'BlockSvg.prototype.getColourShadow',
-      'January 2020',
-      'January 2021',
-      'style.colourSecondary');
-  return this.getColourSecondary();
-};
-
-/**
- * Get the border colour(s) of a block.
- * @return {{colourDark, colourLight, colourBorder}} An object containing
- *     colour values for the border(s) of the block. If the block is using a
- *     style the colourBorder will be defined and equal to the tertiary colour
- *     of the style (#RRGGBB string). Otherwise the colourDark and colourLight
- *     attributes will be defined (#RRGGBB strings).
- * @deprecated Use style.colourTertiary. (2020 January 21)
- */
-Blockly.BlockSvg.prototype.getColourBorder = function() {
-  Blockly.utils.deprecation.warn(
-      'BlockSvg.prototype.getColourBorder',
-      'January 2020',
-      'January 2021',
-      'style.colourTertiary');
-  var colourTertiary = this.getColourTertiary();
-  return {
-    colourBorder: colourTertiary,
-    colourLight: null,
-    colourDark: null
-  };
-};
-
-/**
- * Select this block.  Highlight it visually.
- */
-Blockly.BlockSvg.prototype.select = function() {
-  if (this.isShadow() && this.getParent()) {
-    // Shadow blocks should not be selected.
-    this.getParent().select();
-    return;
-  }
-  if (Blockly.selected == this) {
-    return;
-  }
-  var oldId = null;
-  if (Blockly.selected) {
-    oldId = Blockly.selected.id;
-    // Unselect any previously selected block.
-    Blockly.Events.disable();
-    try {
-      Blockly.selected.unselect();
-    } finally {
-      Blockly.Events.enable();
-    }
-  }
-  var event = new Blockly.Events.Ui(null, 'selected', oldId, this.id);
-  event.workspaceId = this.workspace.id;
-  Blockly.Events.fire(event);
-  Blockly.selected = this;
-  this.addSelect();
-};
-
-/**
- * Unselect this block.  Remove its highlighting.
- */
-Blockly.BlockSvg.prototype.unselect = function() {
-  if (Blockly.selected != this) {
-    return;
-  }
-  var event = new Blockly.Events.Ui(null, 'selected', this.id, null);
-  event.workspaceId = this.workspace.id;
-  Blockly.Events.fire(event);
-  Blockly.selected = null;
-  this.removeSelect();
-};
-
-/**
- * Block's mutator icon (if any).
- * @type {Blockly.Mutator}
- */
-Blockly.BlockSvg.prototype.mutator = null;
-
-/**
- * Block's comment icon (if any).
- * @type {Blockly.Comment}
- * @deprecated August 2019. Use getCommentIcon instead.
- */
-Blockly.BlockSvg.prototype.comment = null;
-
-/**
- * Block's comment icon (if any).
- * @type {Blockly.Comment}
- * @private
- */
-Blockly.BlockSvg.prototype.commentIcon_ = null;
-
-/**
- * Block's warning icon (if any).
- * @type {Blockly.Warning}
- */
-Blockly.BlockSvg.prototype.warning = null;
-
-/**
- * Returns a list of mutator, comment, and warning icons.
- * @return {!Array} List of icons.
- */
-Blockly.BlockSvg.prototype.getIcons = function() {
-  var icons = [];
-  if (this.mutator) {
-    icons.push(this.mutator);
-  }
-  if (this.commentIcon_) {
-    icons.push(this.commentIcon_);
-  }
-  if (this.warning) {
-    icons.push(this.warning);
-  }
-  return icons;
-};
-
-/**
- * Set parent of this block to be a new block or null.
- * @param {Blockly.Block} newParent New parent block.
- * @override
- */
-Blockly.BlockSvg.prototype.setParent = function(newParent) {
-  var oldParent = this.parentBlock_;
-  if (newParent == oldParent) {
-    return;
-  }
-
-  Blockly.utils.dom.startTextWidthCache();
-  Blockly.BlockSvg.superClass_.setParent.call(this, newParent);
-  Blockly.utils.dom.stopTextWidthCache();
-
-  var svgRoot = this.getSvgRoot();
-
-  // Bail early if workspace is clearing, or we aren't rendered.
-  // We won't need to reattach ourselves anywhere.
-  if (this.workspace.isClearing || !svgRoot) {
-    return;
-  }
-
-  var oldXY = this.getRelativeToSurfaceXY();
-  if (newParent) {
-    newParent.getSvgRoot().appendChild(svgRoot);
-    var newXY = this.getRelativeToSurfaceXY();
-    // Move the connections to match the child's new position.
-    this.moveConnections(newXY.x - oldXY.x, newXY.y - oldXY.y);
-  }
-  // If we are losing a parent, we want to move our DOM element to the
-  // root of the workspace.
-  else if (oldParent) {
-    this.workspace.getCanvas().appendChild(svgRoot);
-    this.translate(oldXY.x, oldXY.y);
-  }
-
-  this.applyColour();
-};
-
-/**
- * Return the coordinates of the top-left corner of this block relative to the
- * drawing surface's origin (0,0), in workspace units.
- * If the block is on the workspace, (0, 0) is the origin of the workspace
- * coordinate system.
- * This does not change with workspace scale.
- * @return {!Blockly.utils.Coordinate} Object with .x and .y properties in
- *     workspace coordinates.
- */
-Blockly.BlockSvg.prototype.getRelativeToSurfaceXY = function() {
-  var x = 0;
-  var y = 0;
-
-  var dragSurfaceGroup = this.useDragSurface_ ?
-      this.workspace.getBlockDragSurface().getGroup() : null;
-
-  var element = this.getSvgRoot();
-  if (element) {
-    do {
-      // Loop through this block and every parent.
-      var xy = Blockly.utils.getRelativeXY(element);
-      x += xy.x;
-      y += xy.y;
-      // If this element is the current element on the drag surface, include
-      // the translation of the drag surface itself.
-      if (this.useDragSurface_ &&
-          this.workspace.getBlockDragSurface().getCurrentBlock() == element) {
-        var surfaceTranslation =
-            this.workspace.getBlockDragSurface().getSurfaceTranslation();
-        x += surfaceTranslation.x;
-        y += surfaceTranslation.y;
-      }
-      element = /** @type {!SVGElement} */ (element.parentNode);
-    } while (element && element != this.workspace.getCanvas() &&
-        element != dragSurfaceGroup);
-  }
-  return new Blockly.utils.Coordinate(x, y);
-};
-
-/**
- * Move a block by a relative offset.
- * @param {number} dx Horizontal offset in workspace units.
- * @param {number} dy Vertical offset in workspace units.
- */
-Blockly.BlockSvg.prototype.moveBy = function(dx, dy) {
-  if (this.parentBlock_) {
-    throw Error('Block has parent.');
-  }
-  var eventsEnabled = Blockly.Events.isEnabled();
-  if (eventsEnabled) {
-    var event = new Blockly.Events.BlockMove(this);
-  }
-  var xy = this.getRelativeToSurfaceXY();
-  this.translate(xy.x + dx, xy.y + dy);
-  this.moveConnections(dx, dy);
-  if (eventsEnabled) {
-    event.recordNew();
-    Blockly.Events.fire(event);
-  }
-  this.workspace.resizeContents();
-};
-
-/**
- * Transforms a block by setting the translation on the transform attribute
- * of the block's SVG.
- * @param {number} x The x coordinate of the translation in workspace units.
- * @param {number} y The y coordinate of the translation in workspace units.
- */
-Blockly.BlockSvg.prototype.translate = function(x, y) {
-  this.getSvgRoot().setAttribute('transform',
-      'translate(' + x + ',' + y + ')');
-};
-
-/**
- * Move this block to its workspace's drag surface, accounting for positioning.
- * Generally should be called at the same time as setDragging_(true).
- * Does nothing if useDragSurface_ is false.
- * @package
- */
-Blockly.BlockSvg.prototype.moveToDragSurface = function() {
-  if (!this.useDragSurface_) {
-    return;
-  }
-  // The translation for drag surface blocks,
-  // is equal to the current relative-to-surface position,
-  // to keep the position in sync as it move on/off the surface.
-  // This is in workspace coordinates.
-  var xy = this.getRelativeToSurfaceXY();
-  this.clearTransformAttributes_();
-  this.workspace.getBlockDragSurface().translateSurface(xy.x, xy.y);
-  // Execute the move on the top-level SVG component
-  var svg = this.getSvgRoot();
-  if (svg) {
-    this.workspace.getBlockDragSurface().setBlocksAndShow(svg);
-  }
-};
-
-/**
- * Move a block to a position.
- * @param {Blockly.utils.Coordinate} xy The position to move to in workspace units.
- */
-Blockly.BlockSvg.prototype.moveTo = function(xy) {
-  var curXY = this.getRelativeToSurfaceXY();
-  this.moveBy(xy.x - curXY.x, xy.y - curXY.y);
-};
-
-/**
- * Move this block back to the workspace block canvas.
- * Generally should be called at the same time as setDragging_(false).
- * Does nothing if useDragSurface_ is false.
- * @param {!Blockly.utils.Coordinate} newXY The position the block should take on
- *     on the workspace canvas, in workspace coordinates.
- * @package
- */
-Blockly.BlockSvg.prototype.moveOffDragSurface = function(newXY) {
-  if (!this.useDragSurface_) {
-    return;
-  }
-  // Translate to current position, turning off 3d.
-  this.translate(newXY.x, newXY.y);
-  this.workspace.getBlockDragSurface().clearAndHide(this.workspace.getCanvas());
-};
-
-/**
- * Move this block during a drag, taking into account whether we are using a
- * drag surface to translate blocks.
- * This block must be a top-level block.
- * @param {!Blockly.utils.Coordinate} newLoc The location to translate to, in
- *     workspace coordinates.
- * @package
- */
-Blockly.BlockSvg.prototype.moveDuringDrag = function(newLoc) {
-  if (this.useDragSurface_) {
-    this.workspace.getBlockDragSurface().translateSurface(newLoc.x, newLoc.y);
-  } else {
-    this.svgGroup_.translate_ = 'translate(' + newLoc.x + ',' + newLoc.y + ')';
-    this.svgGroup_.setAttribute('transform',
-        this.svgGroup_.translate_ + this.svgGroup_.skew_);
-  }
-};
-
-/**
- * Clear the block of transform="..." attributes.
- * Used when the block is switching from 3d to 2d transform or vice versa.
- * @private
- */
-Blockly.BlockSvg.prototype.clearTransformAttributes_ = function() {
-  this.getSvgRoot().removeAttribute('transform');
-};
-
-/**
- * Snap this block to the nearest grid point.
- */
-Blockly.BlockSvg.prototype.snapToGrid = function() {
-  if (!this.workspace) {
-    return;  // Deleted block.
-  }
-  if (this.workspace.isDragging()) {
-    return;  // Don't bump blocks during a drag.
-  }
-  if (this.getParent()) {
-    return;  // Only snap top-level blocks.
-  }
-  if (this.isInFlyout) {
-    return;  // Don't move blocks around in a flyout.
-  }
-  var grid = this.workspace.getGrid();
-  if (!grid || !grid.shouldSnap()) {
-    return;  // Config says no snapping.
-  }
-  var spacing = grid.getSpacing();
-  var half = spacing / 2;
-  var xy = this.getRelativeToSurfaceXY();
-  var dx = Math.round((xy.x - half) / spacing) * spacing + half - xy.x;
-  var dy = Math.round((xy.y - half) / spacing) * spacing + half - xy.y;
-  dx = Math.round(dx);
-  dy = Math.round(dy);
-  if (dx != 0 || dy != 0) {
-    this.moveBy(dx, dy);
-  }
-};
-
-/**
- * Returns the coordinates of a bounding box describing the dimensions of this
- * block and any blocks stacked below it.
- * Coordinate system: workspace coordinates.
- * @return {!Blockly.utils.Rect} Object with coordinates of the bounding box.
- */
-Blockly.BlockSvg.prototype.getBoundingRectangle = function() {
-  var blockXY = this.getRelativeToSurfaceXY();
-  var blockBounds = this.getHeightWidth();
-  var left, right;
-  if (this.RTL) {
-    left = blockXY.x - blockBounds.width;
-    right = blockXY.x;
-  } else {
-    left = blockXY.x;
-    right = blockXY.x + blockBounds.width;
-  }
-  return new Blockly.utils.Rect(
-      blockXY.y, blockXY.y + blockBounds.height, left, right);
-};
-
-/**
- * Notify every input on this block to mark its fields as dirty.
- * A dirty field is a field that needs to be re-rendered.
- */
-Blockly.BlockSvg.prototype.markDirty = function() {
-  this.pathObject.constants =
-    (/** @type {!Blockly.WorkspaceSvg} */ (this.workspace))
-        .getRenderer().getConstants();
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    input.markDirty();
-  }
-};
-
-/**
- * Set whether the block is collapsed or not.
- * @param {boolean} collapsed True if collapsed.
- */
-Blockly.BlockSvg.prototype.setCollapsed = function(collapsed) {
-  if (this.collapsed_ == collapsed) {
-    return;
-  }
-  Blockly.BlockSvg.superClass_.setCollapsed.call(this, collapsed);
-  if (!collapsed) {
-    this.updateCollapsed_();
-  } else if (this.rendered) {
-    this.render();
-    // Don't bump neighbours. Users like to store collapsed functions together
-    // and bumping makes them go out of alignment.
-  }
-};
-
-/**
- * Makes sure that when the block is collapsed, it is rendered correctly
- * for that state.
- * @private
- */
-Blockly.BlockSvg.prototype.updateCollapsed_ = function() {
-  var collapsed = this.isCollapsed();
-  var collapsedInputName = Blockly.Block.COLLAPSED_INPUT_NAME;
-  var collapsedFieldName = Blockly.Block.COLLAPSED_FIELD_NAME;
-
-  for (var i = 0, input; (input = this.inputList[i]); i++) {
-    if (input.name != collapsedInputName) {
-      input.setVisible(!collapsed);
-    }
-  }
-
-  if (!collapsed) {
-    this.removeInput(collapsedInputName);
-    return;
-  }
-
-  var icons = this.getIcons();
-  for (var i = 0, icon; (icon = icons[i]); i++) {
-    icon.setVisible(false);
-  }
-
-  var text = this.toString(Blockly.COLLAPSE_CHARS);
-  var field = this.getField(collapsedFieldName);
-  if (field) {
-    field.setValue(text);
-    return;
-  }
-  var input = this.getInput(collapsedInputName) ||
-      this.appendDummyInput(collapsedInputName);
-  input.appendField(new Blockly.FieldLabel(text), collapsedFieldName);
-};
-
-/**
- * Open the next (or previous) FieldTextInput.
- * @param {!Blockly.Field} start Current field.
- * @param {boolean} forward If true go forward, otherwise backward.
- */
-Blockly.BlockSvg.prototype.tab = function(start, forward) {
-  var tabCursor = new Blockly.TabNavigateCursor();
-  tabCursor.setCurNode(Blockly.ASTNode.createFieldNode(start));
-  var currentNode = tabCursor.getCurNode();
-  var action = forward ?
-      Blockly.navigation.ACTION_NEXT : Blockly.navigation.ACTION_PREVIOUS;
-
-  tabCursor.onBlocklyAction(action);
-
-  var nextNode = tabCursor.getCurNode();
-  if (nextNode && nextNode !== currentNode) {
-    var nextField = /** @type {!Blockly.Field} */ (nextNode.getLocation());
-    nextField.showEditor();
-
-    // Also move the cursor if we're in keyboard nav mode.
-    if (this.workspace.keyboardAccessibilityMode) {
-      this.workspace.getCursor().setCurNode(nextNode);
-    }
-  }
-};
-
-/**
- * Handle a mouse-down on an SVG block.
- * @param {!Event} e Mouse down event or touch start event.
- * @private
- */
-Blockly.BlockSvg.prototype.onMouseDown_ = function(e) {
-  var gesture = this.workspace && this.workspace.getGesture(e);
-  if (gesture) {
-    gesture.handleBlockStart(e, this);
-  }
-};
-
-/**
- * Load the block's help page in a new window.
- * @package
- */
-Blockly.BlockSvg.prototype.showHelp = function() {
-  var url = (typeof this.helpUrl == 'function') ? this.helpUrl() : this.helpUrl;
-  if (url) {
-    window.open(url);
-  }
-};
-
-/**
- * Generate the context menu for this block.
- * @protected
- * @return {Array.<!Object>} Context menu options
- */
-Blockly.BlockSvg.prototype.generateContextMenu = function() {
-  if (this.workspace.options.readOnly || !this.contextMenu) {
-    return null;
-  }
-  var menuOptions = Blockly.ContextMenuRegistry.registry.getContextMenuOptions(
-      Blockly.ContextMenuRegistry.ScopeType.BLOCK, {block: this});
-
-  // Allow the block to add or modify menuOptions.
-  if (this.customContextMenu) {
-    this.customContextMenu(menuOptions);
-  }
-
-  return menuOptions;
-};
-
-/**
- * Show the context menu for this block.
- * @param {!Event} e Mouse event.
- * @package
- */
-Blockly.BlockSvg.prototype.showContextMenu = function(e) {
-  var menuOptions = this.generateContextMenu();
-
-  if (menuOptions && menuOptions.length) {
-    Blockly.ContextMenu.show(e, menuOptions, this.RTL);
-    Blockly.ContextMenu.currentBlock = this;
-  }
-};
-
-/**
- * Move the connections for this block and all blocks attached under it.
- * Also update any attached bubbles.
- * @param {number} dx Horizontal offset from current location, in workspace
- *     units.
- * @param {number} dy Vertical offset from current location, in workspace
- *     units.
- * @package
- */
-Blockly.BlockSvg.prototype.moveConnections = function(dx, dy) {
-  if (!this.rendered) {
-    // Rendering is required to lay out the blocks.
-    // This is probably an invisible block attached to a collapsed block.
-    return;
-  }
-  var myConnections = this.getConnections_(false);
-  for (var i = 0; i < myConnections.length; i++) {
-    myConnections[i].moveBy(dx, dy);
-  }
-  var icons = this.getIcons();
-  for (var i = 0; i < icons.length; i++) {
-    icons[i].computeIconLocation();
-  }
-
-  // Recurse through all blocks attached under this one.
-  for (var i = 0; i < this.childBlocks_.length; i++) {
-    this.childBlocks_[i].moveConnections(dx, dy);
-  }
-};
-
-/**
- * Recursively adds or removes the dragging class to this node and its children.
- * @param {boolean} adding True if adding, false if removing.
- * @package
- */
-Blockly.BlockSvg.prototype.setDragging = function(adding) {
-  if (adding) {
-    var group = this.getSvgRoot();
-    group.translate_ = '';
-    group.skew_ = '';
-    Blockly.draggingConnections =
-        Blockly.draggingConnections.concat(this.getConnections_(true));
-    Blockly.utils.dom.addClass(
-        /** @type {!Element} */ (this.svgGroup_), 'blocklyDragging');
-  } else {
-    Blockly.draggingConnections = [];
-    Blockly.utils.dom.removeClass(
-        /** @type {!Element} */ (this.svgGroup_), 'blocklyDragging');
-  }
-  // Recurse through all blocks attached under this one.
-  for (var i = 0; i < this.childBlocks_.length; i++) {
-    this.childBlocks_[i].setDragging(adding);
-  }
-};
-
-/**
- * Set whether this block is movable or not.
- * @param {boolean} movable True if movable.
- */
-Blockly.BlockSvg.prototype.setMovable = function(movable) {
-  Blockly.BlockSvg.superClass_.setMovable.call(this, movable);
-  this.pathObject.updateMovable(movable);
-};
-
-/**
- * Set whether this block is editable or not.
- * @param {boolean} editable True if editable.
- */
-Blockly.BlockSvg.prototype.setEditable = function(editable) {
-  Blockly.BlockSvg.superClass_.setEditable.call(this, editable);
-  var icons = this.getIcons();
-  for (var i = 0; i < icons.length; i++) {
-    icons[i].updateEditable();
-  }
-};
-
-/**
- * Set whether this block is a shadow block or not.
- * @param {boolean} shadow True if a shadow.
- */
-Blockly.BlockSvg.prototype.setShadow = function(shadow) {
-  Blockly.BlockSvg.superClass_.setShadow.call(this, shadow);
-  this.applyColour();
-};
-
-/**
- * Set whether this block is an insertion marker block or not.
- * Once set this cannot be unset.
- * @param {boolean} insertionMarker True if an insertion marker.
- * @package
- */
-Blockly.BlockSvg.prototype.setInsertionMarker = function(insertionMarker) {
-  if (this.isInsertionMarker_ == insertionMarker) {
-    return;  // No change.
-  }
-  this.isInsertionMarker_ = insertionMarker;
-  if (this.isInsertionMarker_) {
-    this.setColour(this.workspace.getRenderer().getConstants().
-        INSERTION_MARKER_COLOUR);
-    this.pathObject.updateInsertionMarker(true);
-  }
-};
-
-/**
- * Return the root node of the SVG or null if none exists.
- * @return {!SVGGElement} The root SVG node (probably a group).
- */
-Blockly.BlockSvg.prototype.getSvgRoot = function() {
-  return this.svgGroup_;
-};
-
-/**
- * Dispose of this block.
- * @param {boolean=} healStack If true, then try to heal any gap by connecting
- *     the next statement with the previous statement.  Otherwise, dispose of
- *     all children of this block.
- * @param {boolean=} animate If true, show a disposal animation and sound.
- * @suppress {checkTypes}
- */
-Blockly.BlockSvg.prototype.dispose = function(healStack, animate) {
-  if (!this.workspace) {
-    // The block has already been deleted.
-    return;
-  }
-  Blockly.Tooltip.dispose();
-  Blockly.Tooltip.unbindMouseEvents(this.pathObject.svgPath);
-  Blockly.utils.dom.startTextWidthCache();
-  // Save the block's workspace temporarily so we can resize the
-  // contents once the block is disposed.
-  var blockWorkspace = this.workspace;
-  // If this block is being dragged, unlink the mouse events.
-  if (Blockly.selected == this) {
-    this.unselect();
-    this.workspace.cancelCurrentGesture();
-  }
-  // If this block has a context menu open, close it.
-  if (Blockly.ContextMenu.currentBlock == this) {
-    Blockly.ContextMenu.hide();
-  }
-
-  if (this.workspace.keyboardAccessibilityMode) {
-    Blockly.navigation.moveCursorOnBlockDelete(this);
-  }
-
-  if (animate && this.rendered) {
-    this.unplug(healStack);
-    Blockly.blockAnimations.disposeUiEffect(this);
-  }
-  // Stop rerendering.
-  this.rendered = false;
-
-  // Clear pending warnings.
-  if (this.warningTextDb_) {
-    for (var n in this.warningTextDb_) {
-      clearTimeout(this.warningTextDb_[n]);
-    }
-    this.warningTextDb_ = null;
-  }
-
-  var icons = this.getIcons();
-  for (var i = 0; i < icons.length; i++) {
-    icons[i].dispose();
-  }
-  Blockly.BlockSvg.superClass_.dispose.call(this, !!healStack);
-
-  Blockly.utils.dom.removeNode(this.svgGroup_);
-  blockWorkspace.resizeContents();
-  // Sever JavaScript to DOM connections.
-  this.svgGroup_ = null;
-  Blockly.utils.dom.stopTextWidthCache();
-};
-
-/**
- * Encode a block for copying.
- * @return {?Blockly.ICopyable.CopyData} Copy metadata, or null if the block is
- *     an insertion marker.
- * @package
- */
-Blockly.BlockSvg.prototype.toCopyData = function() {
-  if (this.isInsertionMarker_) {
-    return null;
-  }
-  var xml = /** @type {!Element} */ (Blockly.Xml.blockToDom(this, true));
-  // Copy only the selected block and internal blocks.
-  Blockly.Xml.deleteNext(xml);
-  // Encode start position in XML.
-  var xy = this.getRelativeToSurfaceXY();
-  xml.setAttribute('x', this.RTL ? -xy.x : xy.x);
-  xml.setAttribute('y', xy.y);
-  return {
-    xml: xml,
-    source: this.workspace,
-    typeCounts: Blockly.utils.getBlockTypeCounts(this, true)
-  };
-};
-
-/**
- * Change the colour of a block.
- * @package
- */
-Blockly.BlockSvg.prototype.applyColour = function() {
-  this.pathObject.applyColour(this);
-
-  var icons = this.getIcons();
-  for (var i = 0; i < icons.length; i++) {
-    icons[i].applyColour();
-  }
-
-  for (var x = 0, input; (input = this.inputList[x]); x++) {
-    for (var y = 0, field; (field = input.fieldRow[y]); y++) {
-      field.applyColour();
-    }
-  }
-};
-
-/**
- * Enable or disable a block.
- */
-Blockly.BlockSvg.prototype.updateDisabled = function() {
-  var children = this.getChildren(false);
-  this.applyColour();
-  if (this.isCollapsed()) {
-    return;
-  }
-  for (var i = 0, child; (child = children[i]); i++) {
-    if (child.rendered) {
-      child.updateDisabled();
-    }
-  }
-};
-
-/**
- * Get the comment icon attached to this block, or null if the block has no
- * comment.
- * @return {Blockly.Comment} The comment icon attached to this block, or null.
- */
-Blockly.BlockSvg.prototype.getCommentIcon = function() {
-  return this.commentIcon_;
-};
-
-/**
- * Set this block's comment text.
- * @param {?string} text The text, or null to delete.
- */
-Blockly.BlockSvg.prototype.setCommentText = function(text) {
-  if (!Blockly.Comment) {
-    throw Error('Missing require for Blockly.Comment');
-  }
-  if (this.commentModel.text == text) {
-    return;
-  }
-  Blockly.BlockSvg.superClass_.setCommentText.call(this, text);
-
-  var shouldHaveComment = text != null;
-  if (!!this.commentIcon_ == shouldHaveComment) {
-    // If the comment's state of existence is correct, but the text is new
-    // that means we're just updating a comment.
-    this.commentIcon_.updateText();
-    return;
-  }
-  if (shouldHaveComment) {
-    this.commentIcon_ = new Blockly.Comment(this);
-    this.comment = this.commentIcon_;  // For backwards compatibility.
-  } else {
-    this.commentIcon_.dispose();
-    this.commentIcon_ = null;
-    this.comment = null;  // For backwards compatibility.
-  }
-  if (this.rendered) {
-    this.render();
-    // Adding or removing a comment icon will cause the block to change shape.
-    this.bumpNeighbours();
-  }
-};
-
-/**
- * Set this block's warning text.
- * @param {?string} text The text, or null to delete.
- * @param {string=} opt_id An optional ID for the warning text to be able to
- *     maintain multiple warnings.
- */
-Blockly.BlockSvg.prototype.setWarningText = function(text, opt_id) {
-  if (!Blockly.Warning) {
-    throw Error('Missing require for Blockly.Warning');
-  }
-  if (!this.warningTextDb_) {
-    // Create a database of warning PIDs.
-    // Only runs once per block (and only those with warnings).
-    this.warningTextDb_ = Object.create(null);
-  }
-  var id = opt_id || '';
-  if (!id) {
-    // Kill all previous pending processes, this edit supersedes them all.
-    for (var n in this.warningTextDb_) {
-      clearTimeout(this.warningTextDb_[n]);
-      delete this.warningTextDb_[n];
-    }
-  } else if (this.warningTextDb_[id]) {
-    // Only queue up the latest change.  Kill any earlier pending process.
-    clearTimeout(this.warningTextDb_[id]);
-    delete this.warningTextDb_[id];
-  }
-  if (this.workspace.isDragging()) {
-    // Don't change the warning text during a drag.
-    // Wait until the drag finishes.
-    var thisBlock = this;
-    this.warningTextDb_[id] = setTimeout(function() {
-      if (thisBlock.workspace) {  // Check block wasn't deleted.
-        delete thisBlock.warningTextDb_[id];
-        thisBlock.setWarningText(text, id);
-      }
-    }, 100);
-    return;
-  }
-  if (this.isInFlyout) {
-    text = null;
-  }
-
-  var changedState = false;
-  if (typeof text == 'string') {
-    // Bubble up to add a warning on top-most collapsed block.
-    var parent = this.getSurroundParent();
-    var collapsedParent = null;
-    while (parent) {
-      if (parent.isCollapsed()) {
-        collapsedParent = parent;
-      }
-      parent = parent.getSurroundParent();
-    }
-    if (collapsedParent) {
-      collapsedParent.setWarningText(Blockly.Msg['COLLAPSED_WARNINGS_WARNING'],
-          Blockly.BlockSvg.COLLAPSED_WARNING_ID);
-    }
-
-    if (!this.warning) {
-      this.warning = new Blockly.Warning(this);
-      changedState = true;
-    }
-    this.warning.setText(/** @type {string} */ (text), id);
-  } else {
-    // Dispose all warnings if no ID is given.
-    if (this.warning && !id) {
-      this.warning.dispose();
-      changedState = true;
-    } else if (this.warning) {
-      var oldText = this.warning.getText();
-      this.warning.setText('', id);
-      var newText = this.warning.getText();
-      if (!newText) {
-        this.warning.dispose();
-      }
-      changedState = oldText != newText;
-    }
-  }
-  if (changedState && this.rendered) {
-    this.render();
-    // Adding or removing a warning icon will cause the block to change shape.
-    this.bumpNeighbours();
-  }
-};
-
-/**
- * Give this block a mutator dialog.
- * @param {Blockly.Mutator} mutator A mutator dialog instance or null to remove.
- */
-Blockly.BlockSvg.prototype.setMutator = function(mutator) {
-  if (this.mutator && this.mutator !== mutator) {
-    this.mutator.dispose();
-  }
-  if (mutator) {
-    mutator.setBlock(this);
-    this.mutator = mutator;
-    mutator.createIcon();
-  }
-  if (this.rendered) {
-    this.render();
-    // Adding or removing a mutator icon will cause the block to change shape.
-    this.bumpNeighbours();
-  }
-};
-
-/**
- * Set whether the block is disabled or not.
- * @param {boolean} disabled True if disabled.
- * @deprecated May 2019
- */
-Blockly.BlockSvg.prototype.setDisabled = function(disabled) {
-  Blockly.utils.deprecation.warn(
-      'BlockSvg.prototype.setDisabled',
-      'May 2019',
-      'May 2020',
-      'BlockSvg.prototype.setEnabled');
-  this.setEnabled(!disabled);
-};
-
-/**
- * Set whether the block is enabled or not.
- * @param {boolean} enabled True if enabled.
- */
-Blockly.BlockSvg.prototype.setEnabled = function(enabled) {
-  if (this.isEnabled() != enabled) {
-    Blockly.BlockSvg.superClass_.setEnabled.call(this, enabled);
-    if (this.rendered && !this.getInheritedDisabled()) {
-      this.updateDisabled();
-    }
-  }
-};
-
-/**
- * Set whether the block is highlighted or not.  Block highlighting is
- * often used to visually mark blocks currently being executed.
- * @param {boolean} highlighted True if highlighted.
- */
-Blockly.BlockSvg.prototype.setHighlighted = function(highlighted) {
-  if (!this.rendered) {
-    return;
-  }
-  this.pathObject.updateHighlighted(highlighted);
-};
-
-/**
- * Select this block.  Highlight it visually.
- */
-Blockly.BlockSvg.prototype.addSelect = function() {
-  this.pathObject.updateSelected(true);
-};
-
-/**
- * Unselect this block.  Remove its highlighting.
- */
-Blockly.BlockSvg.prototype.removeSelect = function() {
-  this.pathObject.updateSelected(false);
-};
-
-/**
- * Update the cursor over this block by adding or removing a class.
- * @param {boolean} enable True if the delete cursor should be shown, false
- *     otherwise.
- * @package
- */
-Blockly.BlockSvg.prototype.setDeleteStyle = function(enable) {
-  this.pathObject.updateDraggingDelete(enable);
-};
-
-
-// Overrides of functions on Blockly.Block that take into account whether the
-// block has been rendered.
-/**
- * Get the colour of a block.
- * @return {string} #RRGGBB string.
- */
-Blockly.BlockSvg.prototype.getColour = function() {
-  return this.style.colourPrimary;
-};
-
-/**
- * Change the colour of a block.
- * @param {number|string} colour HSV hue value, or #RRGGBB string.
- */
-Blockly.BlockSvg.prototype.setColour = function(colour) {
-  Blockly.BlockSvg.superClass_.setColour.call(this, colour);
-  var styleObj = this.workspace.getRenderer().getConstants()
-      .getBlockStyleForColour(this.colour_);
-
-  this.pathObject.setStyle(styleObj.style);
-  this.style = styleObj.style;
-  this.styleName_ = styleObj.name;
-
-  this.applyColour();
-};
-
-/**
- * Set the style and colour values of a block.
- * @param {string} blockStyleName Name of the block style
- * @throws {Error} if the block style does not exist.
- */
-Blockly.BlockSvg.prototype.setStyle = function(blockStyleName) {
-  var blockStyle = this.workspace.getRenderer()
-      .getConstants().getBlockStyle(blockStyleName);
-  this.styleName_ = blockStyleName;
-
-  if (blockStyle) {
-    this.hat = blockStyle.hat;
-    this.pathObject.setStyle(blockStyle);
-    // Set colour to match Block.
-    this.colour_ = blockStyle.colourPrimary;
-    this.style = blockStyle;
-
-    this.applyColour();
-  } else {
-    throw Error('Invalid style name: ' + blockStyleName);
-  }
-};
-
-/**
- * Move this block to the front of the visible workspace.
- * <g> tags do not respect z-index so SVG renders them in the
- * order that they are in the DOM.  By placing this block first within the
- * block group's <g>, it will render on top of any other blocks.
- * @package
- */
-Blockly.BlockSvg.prototype.bringToFront = function() {
-  var block = this;
-  do {
-    var root = block.getSvgRoot();
-    var parent = root.parentNode;
-    var childNodes = parent.childNodes;
-    // Avoid moving the block if it's already at the bottom.
-    if (childNodes[childNodes.length - 1] !== root) {
-      parent.appendChild(root);
-    }
-    block = block.getParent();
-  } while (block);
-};
-
-/**
- * Set whether this block can chain onto the bottom of another block.
- * @param {boolean} newBoolean True if there can be a previous statement.
- * @param {(string|Array.<string>|null)=} opt_check Statement type or
- *     list of statement types.  Null/undefined if any type could be connected.
- */
-Blockly.BlockSvg.prototype.setPreviousStatement = function(newBoolean,
-    opt_check) {
-  Blockly.BlockSvg.superClass_.setPreviousStatement.call(this, newBoolean,
-      opt_check);
-
-  if (this.rendered) {
-    this.render();
-    this.bumpNeighbours();
-  }
-};
-
-/**
- * Set whether another block can chain onto the bottom of this block.
- * @param {boolean} newBoolean True if there can be a next statement.
- * @param {(string|Array.<string>|null)=} opt_check Statement type or
- *     list of statement types.  Null/undefined if any type could be connected.
- */
-Blockly.BlockSvg.prototype.setNextStatement = function(newBoolean, opt_check) {
-  Blockly.BlockSvg.superClass_.setNextStatement.call(this, newBoolean,
-      opt_check);
-
-  if (this.rendered) {
-    this.render();
-    this.bumpNeighbours();
-  }
-};
-
-/**
- * Set whether this block returns a value.
- * @param {boolean} newBoolean True if there is an output.
- * @param {(string|Array.<string>|null)=} opt_check Returned type or list
- *     of returned types.  Null or undefined if any type could be returned
- *     (e.g. variable get).
- */
-Blockly.BlockSvg.prototype.setOutput = function(newBoolean, opt_check) {
-  Blockly.BlockSvg.superClass_.setOutput.call(this, newBoolean, opt_check);
-
-  if (this.rendered) {
-    this.render();
-    this.bumpNeighbours();
-  }
-};
-
-/**
- * Set whether value inputs are arranged horizontally or vertically.
- * @param {boolean} newBoolean True if inputs are horizontal.
- */
-Blockly.BlockSvg.prototype.setInputsInline = function(newBoolean) {
-  Blockly.BlockSvg.superClass_.setInputsInline.call(this, newBoolean);
-
-  if (this.rendered) {
-    this.render();
-    this.bumpNeighbours();
-  }
-};
-
-/**
- * Remove an input from this block.
- * @param {string} name The name of the input.
- * @param {boolean=} opt_quiet True to prevent error if input is not present.
- * @return {boolean} True if operation succeeds, false if input is not present and opt_quiet is true
- * @throws {Error} if the input is not present and
- *     opt_quiet is not true.
- */
-Blockly.BlockSvg.prototype.removeInput = function(name, opt_quiet) {
-  var removed = Blockly.BlockSvg.superClass_.removeInput.call(this, name, opt_quiet);
-
-  if (this.rendered) {
-    this.render();
-    // Removing an input will cause the block to change shape.
-    this.bumpNeighbours();
-  }
-
-  return removed;
-};
-
-/**
- * Move a numbered input to a different location on this block.
- * @param {number} inputIndex Index of the input to move.
- * @param {number} refIndex Index of input that should be after the moved input.
- */
-Blockly.BlockSvg.prototype.moveNumberedInputBefore = function(
-    inputIndex, refIndex) {
-  Blockly.BlockSvg.superClass_.moveNumberedInputBefore.call(this, inputIndex,
-      refIndex);
-
-  if (this.rendered) {
-    this.render();
-    // Moving an input will cause the block to change shape.
-    this.bumpNeighbours();
-  }
-};
-
-/**
- * Add a value input, statement input or local variable to this block.
- * @param {number} type Either Blockly.INPUT_VALUE or Blockly.NEXT_STATEMENT or
- *     Blockly.DUMMY_INPUT.
- * @param {string} name Language-neutral identifier which may used to find this
- *     input again.  Should be unique to this block.
- * @return {!Blockly.Input} The input object created.
- * @private
- */
-Blockly.BlockSvg.prototype.appendInput_ = function(type, name) {
-  var input = Blockly.BlockSvg.superClass_.appendInput_.call(this, type, name);
-
-  if (this.rendered) {
-    this.render();
-    // Adding an input will cause the block to change shape.
-    this.bumpNeighbours();
-  }
-  return input;
-};
-
-/**
- * Sets whether this block's connections are tracked in the database or not.
- *
- * Used by the deserializer to be more efficient. Setting a connection's
- * tracked_ value to false keeps it from adding itself to the db when it
- * gets its first moveTo call, saving expensive ops for later.
- * @param {boolean} track If true, start tracking. If false, stop tracking.
- * @package
- */
-Blockly.BlockSvg.prototype.setConnectionTracking = function(track) {
-  if (this.previousConnection) {
-    this.previousConnection.setTracking(track);
-  }
-  if (this.outputConnection) {
-    this.outputConnection.setTracking(track);
-  }
-  if (this.nextConnection) {
-    this.nextConnection.setTracking(track);
-    var child = this.nextConnection.targetBlock();
-    if (child) {
-      child.setConnectionTracking(track);
-    }
-  }
-
-  if (this.collapsed_) {
-    // When track is true, we don't want to start tracking collapsed
-    // connections. When track is false, we're already not tracking
-    // collapsed connections, so no need to update.
-    return;
-  }
-
-  for (var i = 0; i < this.inputList.length; i++) {
-    var conn = this.inputList[i].connection;
-    if (conn) {
-      conn.setTracking(track);
-
-      // Pass tracking on down the chain.
-      var block = conn.targetBlock();
-      if (block) {
-        block.setConnectionTracking(track);
-      }
-    }
-  }
-};
-
-/**
- * Returns connections originating from this block.
- * @param {boolean} all If true, return all connections even hidden ones.
- *     Otherwise, for a non-rendered block return an empty list, and for a
- *     collapsed block don't return inputs connections.
- * @return {!Array.<!Blockly.RenderedConnection>} Array of connections.
- * @package
- */
-Blockly.BlockSvg.prototype.getConnections_ = function(all) {
-  var myConnections = [];
-  if (all || this.rendered) {
-    if (this.outputConnection) {
-      myConnections.push(this.outputConnection);
-    }
-    if (this.previousConnection) {
-      myConnections.push(this.previousConnection);
-    }
-    if (this.nextConnection) {
-      myConnections.push(this.nextConnection);
-    }
-    if (all || !this.collapsed_) {
-      for (var i = 0, input; (input = this.inputList[i]); i++) {
-        if (input.connection) {
-          myConnections.push(input.connection);
-        }
-      }
-    }
-  }
-  return myConnections;
-};
-
-/**
- * Walks down a stack of blocks and finds the last next connection on the stack.
- * @return {Blockly.RenderedConnection} The last next connection on the stack,
- *     or null.
- * @package
- * @override
- */
-Blockly.BlockSvg.prototype.lastConnectionInStack = function() {
-  return /** @type {Blockly.RenderedConnection} */ (
-    Blockly.BlockSvg.superClass_.lastConnectionInStack.call(this));
-};
-
-/**
- * Find the connection on this block that corresponds to the given connection
- * on the other block.
- * Used to match connections between a block and its insertion marker.
- * @param {!Blockly.Block} otherBlock The other block to match against.
- * @param {!Blockly.Connection} conn The other connection to match.
- * @return {Blockly.RenderedConnection} The matching connection on this block,
- *     or null.
- * @package
- * @override
- */
-Blockly.BlockSvg.prototype.getMatchingConnection = function(otherBlock, conn) {
-  return /** @type {Blockly.RenderedConnection} */ (
-    Blockly.BlockSvg.superClass_.getMatchingConnection.call(this,
-        otherBlock, conn));
-};
-
-/**
- * Create a connection of the specified type.
- * @param {number} type The type of the connection to create.
- * @return {!Blockly.RenderedConnection} A new connection of the specified type.
- * @protected
- */
-Blockly.BlockSvg.prototype.makeConnection_ = function(type) {
-  return new Blockly.RenderedConnection(this, type);
-};
-
-/**
- * Bump unconnected blocks out of alignment.  Two blocks which aren't actually
- * connected should not coincidentally line up on screen.
- */
-Blockly.BlockSvg.prototype.bumpNeighbours = function() {
-  if (!this.workspace) {
-    return;  // Deleted block.
-  }
-  if (this.workspace.isDragging()) {
-    return;  // Don't bump blocks during a drag.
-  }
-  var rootBlock = this.getRootBlock();
-  if (rootBlock.isInFlyout) {
-    return;  // Don't move blocks around in a flyout.
-  }
-  // Loop through every connection on this block.
-  var myConnections = this.getConnections_(false);
-  for (var i = 0, connection; (connection = myConnections[i]); i++) {
-
-    // Spider down from this block bumping all sub-blocks.
-    if (connection.isConnected() && connection.isSuperior()) {
-      connection.targetBlock().bumpNeighbours();
-    }
-
-    var neighbours = connection.neighbours(Blockly.SNAP_RADIUS);
-    for (var j = 0, otherConnection; (otherConnection = neighbours[j]); j++) {
-
-      // If both connections are connected, that's probably fine.  But if
-      // either one of them is unconnected, then there could be confusion.
-      if (!connection.isConnected() || !otherConnection.isConnected()) {
-        // Only bump blocks if they are from different tree structures.
-        if (otherConnection.getSourceBlock().getRootBlock() != rootBlock) {
-
-          // Always bump the inferior block.
-          if (connection.isSuperior()) {
-            otherConnection.bumpAwayFrom(connection);
-          } else {
-            connection.bumpAwayFrom(otherConnection);
-          }
-        }
-      }
-    }
-  }
-};
-
-/**
- * Schedule snapping to grid and bumping neighbours to occur after a brief
- * delay.
- * @package
- */
-Blockly.BlockSvg.prototype.scheduleSnapAndBump = function() {
-  var block = this;
-  // Ensure that any snap and bump are part of this move's event group.
-  var group = Blockly.Events.getGroup();
-
-  setTimeout(function() {
-    Blockly.Events.setGroup(group);
-    block.snapToGrid();
-    Blockly.Events.setGroup(false);
-  }, Blockly.BUMP_DELAY / 2);
-
-  setTimeout(function() {
-    Blockly.Events.setGroup(group);
-    block.bumpNeighbours();
-    Blockly.Events.setGroup(false);
-  }, Blockly.BUMP_DELAY);
-};
-
-/**
- * Position a block so that it doesn't move the target block when connected.
- * The block to position is usually either the first block in a dragged stack or
- * an insertion marker.
- * @param {!Blockly.RenderedConnection} sourceConnection The connection on the
- *     moving block's stack.
- * @param {!Blockly.RenderedConnection} targetConnection The connection that
- *     should stay stationary as this block is positioned.
- * @package
- */
-Blockly.BlockSvg.prototype.positionNearConnection = function(sourceConnection,
-    targetConnection) {
-  // We only need to position the new block if it's before the existing one,
-  // otherwise its position is set by the previous block.
-  if (sourceConnection.type == Blockly.NEXT_STATEMENT ||
-      sourceConnection.type == Blockly.INPUT_VALUE) {
-    var dx = targetConnection.x - sourceConnection.x;
-    var dy = targetConnection.y - sourceConnection.y;
-
-    this.moveBy(dx, dy);
-  }
-};
-
-/**
- * Return the parent block or null if this block is at the top level.
- * @return {Blockly.BlockSvg} The block that holds the current block.
- * @override
- */
-Blockly.BlockSvg.prototype.getParent = function() {
-  return /** @type {!Blockly.BlockSvg} */ (
-    Blockly.BlockSvg.superClass_.getParent.call(this));
-};
-
-/**
- * Return the top-most block in this block's tree.
- * This will return itself if this block is at the top level.
- * @return {!Blockly.BlockSvg} The root block.
- * @override
- */
-Blockly.BlockSvg.prototype.getRootBlock = function() {
-  return /** @type {!Blockly.BlockSvg} */ (
-    Blockly.BlockSvg.superClass_.getRootBlock.call(this));
-};
-
-/**
- * Lays out and reflows a block based on its contents and settings.
- * @param {boolean=} opt_bubble If false, just render this block.
- *   If true, also render block's parent, grandparent, etc.  Defaults to true.
- */
-Blockly.BlockSvg.prototype.render = function(opt_bubble) {
-  if (this.renderIsInProgress_) {
-    return;  // Don't allow recursive renders.
-  }
-  this.renderIsInProgress_ = true;
-  try {
-    this.rendered = true;
-    Blockly.utils.dom.startTextWidthCache();
-
-    if (this.isCollapsed()) {
-      this.updateCollapsed_();
-    }
-    this.workspace.getRenderer().render(this);
-    this.updateConnectionLocations_();
-
-    if (opt_bubble !== false) {
-      var parentBlock = this.getParent();
-      if (parentBlock) {
-        parentBlock.render(true);
-      } else {
-        // Top-most block. Fire an event to allow scrollbars to resize.
-        this.workspace.resizeContents();
-      }
-    }
-
-    Blockly.utils.dom.stopTextWidthCache();
-    this.updateMarkers_();
-  } finally {
-    this.renderIsInProgress_ = false;
-  }
-};
-
-/**
- * Redraw any attached marker or cursor svgs if needed.
- * @protected
- */
-Blockly.BlockSvg.prototype.updateMarkers_ = function() {
-  if (this.workspace.keyboardAccessibilityMode && this.pathObject.cursorSvg) {
-    this.workspace.getCursor().draw();
-  }
-  if (this.workspace.keyboardAccessibilityMode && this.pathObject.markerSvg) {
-    this.workspace.getMarker(Blockly.navigation.MARKER_NAME).draw();
-  }
-};
-
-/**
- * Update all of the connections on this block with the new locations calculated
- * during rendering.  Also move all of the connected blocks based on the new
- * connection locations.
- * @private
- */
-Blockly.BlockSvg.prototype.updateConnectionLocations_ = function() {
-  var blockTL = this.getRelativeToSurfaceXY();
-  // Don't tighten previous or output connections because they are inferior
-  // connections.
-  if (this.previousConnection) {
-    this.previousConnection.moveToOffset(blockTL);
-  }
-  if (this.outputConnection) {
-    this.outputConnection.moveToOffset(blockTL);
-  }
-
-  for (var i = 0; i < this.inputList.length; i++) {
-    var conn = this.inputList[i].connection;
-    if (conn) {
-      conn.moveToOffset(blockTL);
-      if (conn.isConnected()) {
-        conn.tighten();
-      }
-    }
-  }
-
-  if (this.nextConnection) {
-    this.nextConnection.moveToOffset(blockTL);
-    if (this.nextConnection.isConnected()) {
-      this.nextConnection.tighten();
-    }
-  }
-};
-
-/**
- * Add the cursor svg to this block's svg group.
- * @param {SVGElement} cursorSvg The svg root of the cursor to be added to the
- *     block svg group.
- * @package
- */
-Blockly.BlockSvg.prototype.setCursorSvg = function(cursorSvg) {
-  this.pathObject.setCursorSvg(cursorSvg);
-};
-
-/**
- * Add the marker svg to this block's svg group.
- * @param {SVGElement} markerSvg The svg root of the marker to be added to the
- *     block svg group.
- * @package
- */
-Blockly.BlockSvg.prototype.setMarkerSvg = function(markerSvg) {
-  this.pathObject.setMarkerSvg(markerSvg);
-};
-
-/**
- * Returns a bounding box describing the dimensions of this block
- * and any blocks stacked below it.
- * @return {!{height: number, width: number}} Object with height and width
- *    properties in workspace units.
- * @package
- */
-Blockly.BlockSvg.prototype.getHeightWidth = function() {
-  var height = this.height;
-  var width = this.width;
-  // Recursively add size of subsequent blocks.
-  var nextBlock = this.getNextBlock();
-  if (nextBlock) {
-    var nextHeightWidth = nextBlock.getHeightWidth();
-    var workspace = /** @type {!Blockly.WorkspaceSvg} */ (this.workspace);
-    var tabHeight = workspace.getRenderer().getConstants().NOTCH_HEIGHT;
-    height += nextHeightWidth.height - tabHeight;
-    width = Math.max(width, nextHeightWidth.width);
-  }
-  return {height: height, width: width};
-};
-
-/**
- * Visual effect to show that if the dragging block is dropped, this block will
- * be replaced.  If a shadow block, it will disappear.  Otherwise it will bump.
- * @param {boolean} add True if highlighting should be added.
- * @package
- */
-Blockly.BlockSvg.prototype.fadeForReplacement = function(add) {
-  this.pathObject.updateReplacementFade(add);
-};
-
-/**
- * Visual effect to show that if the dragging block is dropped it will connect
- * to this input.
- * @param {Blockly.Connection} conn The connection on the input to highlight.
- * @param {boolean} add True if highlighting should be added.
- * @package
- */
-Blockly.BlockSvg.prototype.highlightShapeForInput = function(conn, add) {
-  this.pathObject.updateShapeForInputHighlight(conn, add);
-};
diff --git a/core/block_svg.ts b/core/block_svg.ts
new file mode 100644
index 00000000000..54a5bfaaab7
--- /dev/null
+++ b/core/block_svg.ts
@@ -0,0 +1,1677 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Methods for graphically rendering a block as SVG.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.BlockSvg
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_selected.js';
+
+import {Block} from './block.js';
+import * as blockAnimations from './block_animations.js';
+import * as browserEvents from './browser_events.js';
+import * as common from './common.js';
+import {config} from './config.js';
+import type {Connection} from './connection.js';
+import {ConnectionType} from './connection_type.js';
+import * as constants from './constants.js';
+import * as ContextMenu from './contextmenu.js';
+import {
+  ContextMenuOption,
+  ContextMenuRegistry,
+  LegacyContextMenuOption,
+} from './contextmenu_registry.js';
+import type {BlockMove} from './events/events_block_move.js';
+import * as deprecation from './utils/deprecation.js';
+import * as eventUtils from './events/utils.js';
+import type {Field} from './field.js';
+import {FieldLabel} from './field_label.js';
+import type {Input} from './inputs/input.js';
+import type {IASTNodeLocationSvg} from './interfaces/i_ast_node_location_svg.js';
+import type {IBoundedElement} from './interfaces/i_bounded_element.js';
+import type {ICopyable} from './interfaces/i_copyable.js';
+import type {IDragStrategy, IDraggable} from './interfaces/i_draggable.js';
+import {IIcon} from './interfaces/i_icon.js';
+import * as internalConstants from './internal_constants.js';
+import {ASTNode} from './keyboard_nav/ast_node.js';
+import {TabNavigateCursor} from './keyboard_nav/tab_navigate_cursor.js';
+import {MarkerManager} from './marker_manager.js';
+import {Msg} from './msg.js';
+import {MutatorIcon} from './icons/mutator_icon.js';
+import {RenderedConnection} from './rendered_connection.js';
+import type {IPathObject} from './renderers/common/i_path_object.js';
+import * as blocks from './serialization/blocks.js';
+import type {BlockStyle} from './theme.js';
+import * as Tooltip from './tooltip.js';
+import {Coordinate} from './utils/coordinate.js';
+import * as dom from './utils/dom.js';
+import {Rect} from './utils/rect.js';
+import {Svg} from './utils/svg.js';
+import * as svgMath from './utils/svg_math.js';
+import {WarningIcon} from './icons/warning_icon.js';
+import type {Workspace} from './workspace.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+import * as renderManagement from './render_management.js';
+import {IconType} from './icons/icon_types.js';
+import {BlockCopyData, BlockPaster} from './clipboard/block_paster.js';
+import {BlockDragStrategy} from './dragging/block_drag_strategy.js';
+import {IDeletable} from './blockly.js';
+import {FlyoutItemInfo} from './utils/toolbox.js';
+
+/**
+ * Class for a block's SVG representation.
+ * Not normally called directly, workspace.newBlock() is preferred.
+ */
+export class BlockSvg
+  extends Block
+  implements
+    IASTNodeLocationSvg,
+    IBoundedElement,
+    ICopyable<BlockCopyData>,
+    IDraggable,
+    IDeletable
+{
+  /**
+   * Constant for identifying rows that are to be rendered inline.
+   * Don't collide with Blockly.inputTypes.
+   */
+  static readonly INLINE = -1;
+
+  /**
+   * ID to give the "collapsed warnings" warning. Allows us to remove the
+   * "collapsed warnings" warning without removing any warnings that belong to
+   * the block.
+   */
+  static readonly COLLAPSED_WARNING_ID = 'TEMP_COLLAPSED_WARNING_';
+  override decompose?: (p1: Workspace) => BlockSvg;
+  // override compose?: ((p1: BlockSvg) => void)|null;
+  saveConnections?: (p1: BlockSvg) => void;
+  customContextMenu?: (
+    p1: Array<ContextMenuOption | LegacyContextMenuOption>,
+  ) => void;
+
+  /**
+   * Height of this block, not including any statement blocks above or below.
+   * Height is in workspace units.
+   */
+  height = 0;
+
+  /**
+   * Width of this block, including any connected value blocks.
+   * Width is in workspace units.
+   */
+  width = 0;
+
+  /**
+   * Map from IDs for warnings text to PIDs of functions to apply them.
+   * Used to be able to maintain multiple warnings.
+   */
+  private warningTextDb = new Map<string, ReturnType<typeof setTimeout>>();
+
+  /** Block's mutator icon (if any). */
+  mutator: MutatorIcon | null = null;
+
+  private svgGroup_: SVGGElement;
+  style: BlockStyle;
+  /** @internal */
+  pathObject: IPathObject;
+
+  /** Is this block a BlockSVG? */
+  override readonly rendered = true;
+
+  private visuallyDisabled = false;
+
+  /**
+   * Is this block currently rendering? Used to stop recursive render calls
+   * from actually triggering a re-render.
+   */
+  private renderIsInProgress_ = false;
+
+  /** Whether mousedown events have been bound yet. */
+  private eventsInit_ = false;
+
+  override workspace: WorkspaceSvg;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  override outputConnection!: RenderedConnection;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  override nextConnection!: RenderedConnection;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  override previousConnection!: RenderedConnection;
+
+  private translation = '';
+
+  /** Whether this block is currently being dragged. */
+  private dragging = false;
+
+  /**
+   * The location of the top left of this block (in workspace coordinates)
+   * relative to either its parent block, or the workspace origin if it has no
+   * parent.
+   *
+   * @internal
+   */
+  relativeCoords = new Coordinate(0, 0);
+
+  private dragStrategy: IDragStrategy = new BlockDragStrategy(this);
+
+  /**
+   * @param workspace The block's workspace.
+   * @param prototypeName Name of the language object containing type-specific
+   *     functions for this block.
+   * @param opt_id Optional ID.  Use this ID if provided, otherwise create a new
+   *     ID.
+   */
+  constructor(workspace: WorkspaceSvg, prototypeName: string, opt_id?: string) {
+    super(workspace, prototypeName, opt_id);
+    if (!workspace.rendered) {
+      throw TypeError('Cannot create a rendered block in a headless workspace');
+    }
+    this.workspace = workspace;
+    this.svgGroup_ = dom.createSvgElement(Svg.G, {});
+
+    /** A block style object. */
+    this.style = workspace.getRenderer().getConstants().getBlockStyle(null);
+
+    /** The renderer's path object. */
+    this.pathObject = workspace
+      .getRenderer()
+      .makePathObject(this.svgGroup_, this.style);
+
+    const svgPath = this.pathObject.svgPath;
+    (svgPath as any).tooltip = this;
+    Tooltip.bindMouseEvents(svgPath);
+
+    // Expose this block's ID on its top-level SVG group.
+    this.svgGroup_.setAttribute('data-id', this.id);
+
+    this.doInit_();
+  }
+
+  /**
+   * Create and initialize the SVG representation of the block.
+   * May be called more than once.
+   */
+  initSvg() {
+    if (this.initialized) return;
+    for (const input of this.inputList) {
+      input.init();
+    }
+    for (const icon of this.getIcons()) {
+      icon.initView(this.createIconPointerDownListener(icon));
+      icon.updateEditable();
+    }
+    this.applyColour();
+    this.pathObject.updateMovable(this.isMovable() || this.isInFlyout);
+    const svg = this.getSvgRoot();
+    if (!this.workspace.options.readOnly && svg) {
+      browserEvents.conditionalBind(
+        svg,
+        'pointerdown',
+        this,
+        this.onMouseDown_,
+      );
+    }
+
+    if (!svg.parentNode) {
+      this.workspace.getCanvas().appendChild(svg);
+    }
+    this.initialized = true;
+  }
+
+  /**
+   * Get the secondary colour of a block.
+   *
+   * @returns #RRGGBB string.
+   */
+  getColourSecondary(): string | undefined {
+    return this.style.colourSecondary;
+  }
+
+  /**
+   * Get the tertiary colour of a block.
+   *
+   * @returns #RRGGBB string.
+   */
+  getColourTertiary(): string | undefined {
+    return this.style.colourTertiary;
+  }
+
+  /** Selects this block. Highlights the block visually. */
+  select() {
+    if (this.isShadow()) {
+      this.getParent()?.select();
+      return;
+    }
+    this.addSelect();
+  }
+
+  /** Unselects this block. Unhighlights the blockv visually.   */
+  unselect() {
+    if (this.isShadow()) {
+      this.getParent()?.unselect();
+      return;
+    }
+    this.removeSelect();
+  }
+
+  /**
+   * Sets the parent of this block to be a new block or null.
+   *
+   * @param newParent New parent block.
+   * @internal
+   */
+  override setParent(newParent: this | null) {
+    const oldParent = this.parentBlock_;
+    if (newParent === oldParent) {
+      return;
+    }
+
+    dom.startTextWidthCache();
+    super.setParent(newParent);
+    dom.stopTextWidthCache();
+
+    const svgRoot = this.getSvgRoot();
+
+    // Bail early if workspace is clearing, or we aren't rendered.
+    // We won't need to reattach ourselves anywhere.
+    if (this.workspace.isClearing || !svgRoot) {
+      return;
+    }
+
+    const oldXY = this.getRelativeToSurfaceXY();
+    if (newParent) {
+      (newParent as BlockSvg).getSvgRoot().appendChild(svgRoot);
+    } else if (oldParent) {
+      // If we are losing a parent, we want to move our DOM element to the
+      // root of the workspace.
+      const draggingBlock = this.workspace
+        .getCanvas()
+        .querySelector('.blocklyDragging');
+      if (draggingBlock) {
+        this.workspace.getCanvas().insertBefore(svgRoot, draggingBlock);
+      } else {
+        this.workspace.getCanvas().appendChild(svgRoot);
+      }
+      this.translate(oldXY.x, oldXY.y);
+    }
+
+    this.applyColour();
+  }
+
+  /**
+   * Return the coordinates of the top-left corner of this block relative to the
+   * drawing surface's origin (0,0), in workspace units.
+   * If the block is on the workspace, (0, 0) is the origin of the workspace
+   * coordinate system.
+   * This does not change with workspace scale.
+   *
+   * @returns Object with .x and .y properties in workspace coordinates.
+   */
+  override getRelativeToSurfaceXY(): Coordinate {
+    const layerManger = this.workspace.getLayerManager();
+    if (!layerManger) {
+      throw new Error(
+        'Cannot calculate position because the workspace has not been appended',
+      );
+    }
+    let x = 0;
+    let y = 0;
+
+    let element: SVGElement = this.getSvgRoot();
+    if (element) {
+      do {
+        // Loop through this block and every parent.
+        const xy = svgMath.getRelativeXY(element);
+        x += xy.x;
+        y += xy.y;
+        element = element.parentNode as SVGElement;
+      } while (element && !layerManger.hasLayer(element));
+    }
+    return new Coordinate(x, y);
+  }
+
+  /**
+   * Move a block by a relative offset.
+   *
+   * @param dx Horizontal offset in workspace units.
+   * @param dy Vertical offset in workspace units.
+   * @param reason Why is this move happening?  'drag', 'bump', 'snap', ...
+   */
+  override moveBy(dx: number, dy: number, reason?: string[]) {
+    if (this.parentBlock_) {
+      throw Error('Block has parent');
+    }
+    const eventsEnabled = eventUtils.isEnabled();
+    let event: BlockMove | null = null;
+    if (eventsEnabled) {
+      event = new (eventUtils.get(eventUtils.BLOCK_MOVE)!)(this) as BlockMove;
+      reason && event.setReason(reason);
+    }
+
+    const delta = new Coordinate(dx, dy);
+    const currLoc = this.getRelativeToSurfaceXY();
+    const newLoc = Coordinate.sum(currLoc, delta);
+    this.translate(newLoc.x, newLoc.y);
+    this.updateComponentLocations(newLoc);
+
+    if (eventsEnabled && event) {
+      event!.recordNew();
+      eventUtils.fire(event);
+    }
+    this.workspace.resizeContents();
+  }
+
+  /**
+   * Transforms a block by setting the translation on the transform attribute
+   * of the block's SVG.
+   *
+   * @param x The x coordinate of the translation in workspace units.
+   * @param y The y coordinate of the translation in workspace units.
+   */
+  translate(x: number, y: number) {
+    this.translation = `translate(${x}, ${y})`;
+    this.relativeCoords = new Coordinate(x, y);
+    this.getSvgRoot().setAttribute('transform', this.getTranslation());
+  }
+
+  /**
+   * Returns the SVG translation of this block.
+   *
+   * @internal
+   */
+  getTranslation(): string {
+    return this.translation;
+  }
+
+  /**
+   * Move a block to a position.
+   *
+   * @param xy The position to move to in workspace units.
+   * @param reason Why is this move happening?  'drag', 'bump', 'snap', ...
+   */
+  moveTo(xy: Coordinate, reason?: string[]) {
+    const curXY = this.getRelativeToSurfaceXY();
+    this.moveBy(xy.x - curXY.x, xy.y - curXY.y, reason);
+  }
+
+  /**
+   * Move this block during a drag.
+   * This block must be a top-level block.
+   *
+   * @param newLoc The location to translate to, in workspace coordinates.
+   * @internal
+   */
+  moveDuringDrag(newLoc: Coordinate) {
+    this.translate(newLoc.x, newLoc.y);
+    this.getSvgRoot().setAttribute('transform', this.getTranslation());
+    this.updateComponentLocations(newLoc);
+  }
+
+  /** Snap this block to the nearest grid point. */
+  snapToGrid() {
+    if (this.isDeadOrDying()) return;
+    if (this.getParent()) return;
+    if (this.isInFlyout) return;
+    const grid = this.workspace.getGrid();
+    if (!grid?.shouldSnap()) return;
+    const currentXY = this.getRelativeToSurfaceXY();
+    const alignedXY = grid.alignXY(currentXY);
+    if (alignedXY !== currentXY) {
+      this.moveTo(alignedXY, ['snap']);
+    }
+  }
+
+  /**
+   * Returns the coordinates of a bounding box describing the dimensions of this
+   * block and any blocks stacked below it.
+   * Coordinate system: workspace coordinates.
+   *
+   * @returns Object with coordinates of the bounding box.
+   */
+  getBoundingRectangle(): Rect {
+    const blockXY = this.getRelativeToSurfaceXY();
+    const blockBounds = this.getHeightWidth();
+    let left;
+    let right;
+    if (this.RTL) {
+      left = blockXY.x - blockBounds.width;
+      right = blockXY.x;
+    } else {
+      left = blockXY.x;
+      right = blockXY.x + blockBounds.width;
+    }
+    return new Rect(blockXY.y, blockXY.y + blockBounds.height, left, right);
+  }
+
+  /**
+   * Notify every input on this block to mark its fields as dirty.
+   * A dirty field is a field that needs to be re-rendered.
+   */
+  markDirty() {
+    this.pathObject.constants = this.workspace.getRenderer().getConstants();
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      input.markDirty();
+    }
+  }
+
+  /**
+   * Set whether the block is collapsed or not.
+   *
+   * @param collapsed True if collapsed.
+   */
+  override setCollapsed(collapsed: boolean) {
+    if (this.collapsed_ === collapsed) {
+      return;
+    }
+    super.setCollapsed(collapsed);
+    this.updateCollapsed_();
+  }
+
+  /**
+   * Makes sure that when the block is collapsed, it is rendered correctly
+   * for that state.
+   */
+  private updateCollapsed_() {
+    const collapsed = this.isCollapsed();
+    const collapsedInputName = constants.COLLAPSED_INPUT_NAME;
+    const collapsedFieldName = constants.COLLAPSED_FIELD_NAME;
+
+    for (let i = 0, input; (input = this.inputList[i]); i++) {
+      if (input.name !== collapsedInputName) {
+        input.setVisible(!collapsed);
+      }
+    }
+
+    for (const icon of this.getIcons()) {
+      icon.updateCollapsed();
+    }
+
+    if (!collapsed) {
+      this.updateDisabled();
+      this.removeInput(collapsedInputName);
+      return;
+    }
+
+    const text = this.toString(internalConstants.COLLAPSE_CHARS);
+    const field = this.getField(collapsedFieldName);
+    if (field) {
+      field.setValue(text);
+      return;
+    }
+    const input =
+      this.getInput(collapsedInputName) ||
+      this.appendDummyInput(collapsedInputName);
+    input.appendField(new FieldLabel(text), collapsedFieldName);
+  }
+
+  /**
+   * Open the next (or previous) FieldTextInput.
+   *
+   * @param start Current field.
+   * @param forward If true go forward, otherwise backward.
+   */
+  tab(start: Field, forward: boolean) {
+    const tabCursor = new TabNavigateCursor();
+    tabCursor.setCurNode(ASTNode.createFieldNode(start)!);
+    const currentNode = tabCursor.getCurNode();
+
+    if (forward) {
+      tabCursor.next();
+    } else {
+      tabCursor.prev();
+    }
+
+    const nextNode = tabCursor.getCurNode();
+    if (nextNode && nextNode !== currentNode) {
+      const nextField = nextNode.getLocation() as Field;
+      nextField.showEditor();
+
+      // Also move the cursor if we're in keyboard nav mode.
+      if (this.workspace.keyboardAccessibilityMode) {
+        this.workspace.getCursor()!.setCurNode(nextNode);
+      }
+    }
+  }
+
+  /**
+   * Handle a pointerdown on an SVG block.
+   *
+   * @param e Pointer down event.
+   */
+  private onMouseDown_(e: PointerEvent) {
+    const gesture = this.workspace.getGesture(e);
+    if (gesture) {
+      gesture.handleBlockStart(e, this);
+    }
+  }
+
+  /**
+   * Load the block's help page in a new window.
+   *
+   * @internal
+   */
+  showHelp() {
+    const url =
+      typeof this.helpUrl === 'function' ? this.helpUrl() : this.helpUrl;
+    if (url) {
+      window.open(url);
+    }
+  }
+
+  /**
+   * Generate the context menu for this block.
+   *
+   * @returns Context menu options or null if no menu.
+   */
+  protected generateContextMenu(): Array<
+    ContextMenuOption | LegacyContextMenuOption
+  > | null {
+    if (this.workspace.options.readOnly || !this.contextMenu) {
+      return null;
+    }
+    const menuOptions = ContextMenuRegistry.registry.getContextMenuOptions(
+      ContextMenuRegistry.ScopeType.BLOCK,
+      {block: this},
+    );
+
+    // Allow the block to add or modify menuOptions.
+    if (this.customContextMenu) {
+      this.customContextMenu(menuOptions);
+    }
+
+    return menuOptions;
+  }
+
+  /**
+   * Show the context menu for this block.
+   *
+   * @param e Mouse event.
+   * @internal
+   */
+  showContextMenu(e: PointerEvent) {
+    const menuOptions = this.generateContextMenu();
+
+    if (menuOptions && menuOptions.length) {
+      ContextMenu.show(e, menuOptions, this.RTL, this.workspace);
+      ContextMenu.setCurrentBlock(this);
+    }
+  }
+
+  /**
+   * Updates the locations of any parts of the block that need to know where
+   * they are (e.g. connections, icons).
+   *
+   * @param blockOrigin The top-left of this block in workspace coordinates.
+   * @internal
+   */
+  updateComponentLocations(blockOrigin: Coordinate) {
+    if (!this.dragging) this.updateConnectionLocations(blockOrigin);
+    this.updateIconLocations(blockOrigin);
+    this.updateFieldLocations(blockOrigin);
+
+    for (const child of this.getChildren(false)) {
+      child.updateComponentLocations(
+        Coordinate.sum(blockOrigin, child.relativeCoords),
+      );
+    }
+  }
+
+  private updateConnectionLocations(blockOrigin: Coordinate) {
+    for (const conn of this.getConnections_(false)) {
+      conn.moveToOffset(blockOrigin);
+    }
+  }
+
+  private updateIconLocations(blockOrigin: Coordinate) {
+    for (const icon of this.getIcons()) {
+      icon.onLocationChange(blockOrigin);
+    }
+  }
+
+  private updateFieldLocations(blockOrigin: Coordinate) {
+    for (const input of this.inputList) {
+      for (const field of input.fieldRow) {
+        field.onLocationChange(blockOrigin);
+      }
+    }
+  }
+
+  /**
+   * Recursively adds or removes the dragging class to this node and its
+   * children.
+   *
+   * @param adding True if adding, false if removing.
+   * @internal
+   */
+  setDragging(adding: boolean) {
+    this.dragging = adding;
+    if (adding) {
+      this.translation = '';
+      common.draggingConnections.push(...this.getConnections_(true));
+      dom.addClass(this.svgGroup_, 'blocklyDragging');
+    } else {
+      common.draggingConnections.length = 0;
+      dom.removeClass(this.svgGroup_, 'blocklyDragging');
+    }
+    // Recurse through all blocks attached under this one.
+    for (let i = 0; i < this.childBlocks_.length; i++) {
+      (this.childBlocks_[i] as BlockSvg).setDragging(adding);
+    }
+  }
+
+  /**
+   * Set whether this block is movable or not.
+   *
+   * @param movable True if movable.
+   */
+  override setMovable(movable: boolean) {
+    super.setMovable(movable);
+    this.pathObject.updateMovable(movable);
+  }
+
+  /**
+   * Set whether this block is editable or not.
+   *
+   * @param editable True if editable.
+   */
+  override setEditable(editable: boolean) {
+    super.setEditable(editable);
+    const icons = this.getIcons();
+    for (let i = 0; i < icons.length; i++) {
+      icons[i].updateEditable();
+    }
+  }
+
+  /**
+   * Sets whether this block is a shadow block or not.
+   * This method is internal and should not be called by users of Blockly. To
+   * create shadow blocks programmatically call connection.setShadowState
+   *
+   * @param shadow True if a shadow.
+   * @internal
+   */
+  override setShadow(shadow: boolean) {
+    super.setShadow(shadow);
+    this.applyColour();
+  }
+
+  /**
+   * Set whether this block is an insertion marker block or not.
+   * Once set this cannot be unset.
+   *
+   * @param insertionMarker True if an insertion marker.
+   * @internal
+   */
+  override setInsertionMarker(insertionMarker: boolean) {
+    if (this.isInsertionMarker_ === insertionMarker) {
+      return; // No change.
+    }
+    this.isInsertionMarker_ = insertionMarker;
+    if (this.isInsertionMarker_) {
+      this.setColour(
+        this.workspace.getRenderer().getConstants().INSERTION_MARKER_COLOUR,
+      );
+      this.pathObject.updateInsertionMarker(true);
+    }
+  }
+
+  /**
+   * Return the root node of the SVG or null if none exists.
+   *
+   * @returns The root SVG node (probably a group).
+   */
+  getSvgRoot(): SVGGElement {
+    return this.svgGroup_;
+  }
+
+  /**
+   * Dispose of this block.
+   *
+   * @param healStack If true, then try to heal any gap by connecting the next
+   *     statement with the previous statement.  Otherwise, dispose of all
+   *     children of this block.
+   * @param animate If true, show a disposal animation and sound.
+   */
+  override dispose(healStack?: boolean, animate?: boolean) {
+    this.disposing = true;
+
+    Tooltip.dispose();
+    ContextMenu.hide();
+
+    if (animate) {
+      this.unplug(healStack);
+      blockAnimations.disposeUiEffect(this);
+    }
+
+    super.dispose(!!healStack);
+    dom.removeNode(this.svgGroup_);
+  }
+
+  /**
+   * Disposes of this block without doing things required by the top block.
+   * E.g. does trigger UI effects, remove nodes, etc.
+   */
+  override disposeInternal() {
+    this.disposing = true;
+    super.disposeInternal();
+
+    if (common.getSelected() === this) {
+      this.unselect();
+      this.workspace.cancelCurrentGesture();
+    }
+
+    [...this.warningTextDb.values()].forEach((n) => clearTimeout(n));
+    this.warningTextDb.clear();
+
+    this.getIcons().forEach((i) => i.dispose());
+  }
+
+  /**
+   * Delete a block and hide chaff when doing so. The block will not be deleted
+   * if it's in a flyout. This is called from the context menu and keyboard
+   * shortcuts as the full delete action. If you are disposing of a block from
+   * the workspace and don't need to perform flyout checks, handle event
+   * grouping, or hide chaff, then use `block.dispose()` directly.
+   */
+  checkAndDelete() {
+    if (this.workspace.isFlyout) {
+      return;
+    }
+    eventUtils.setGroup(true);
+    this.workspace.hideChaff();
+    if (this.outputConnection) {
+      // Do not attempt to heal rows
+      // (https://github.com/google/blockly/issues/4832)
+      this.dispose(false, true);
+    } else {
+      this.dispose(/* heal */ true, true);
+    }
+    eventUtils.setGroup(false);
+  }
+
+  /**
+   * Encode a block for copying.
+   *
+   * @returns Copy metadata, or null if the block is an insertion marker.
+   */
+  toCopyData(): BlockCopyData | null {
+    if (this.isInsertionMarker_) {
+      return null;
+    }
+    return {
+      paster: BlockPaster.TYPE,
+      blockState: blocks.save(this, {
+        addCoordinates: true,
+        addNextBlocks: false,
+      }) as blocks.State,
+      typeCounts: common.getBlockTypeCounts(this, true),
+    };
+  }
+
+  /**
+   * Updates the colour of the block to match the block's state.
+   *
+   * @internal
+   */
+  applyColour() {
+    this.pathObject.applyColour(this);
+
+    const icons = this.getIcons();
+    for (let i = 0; i < icons.length; i++) {
+      icons[i].applyColour();
+    }
+
+    for (let x = 0, input; (input = this.inputList[x]); x++) {
+      for (let y = 0, field; (field = input.fieldRow[y]); y++) {
+        field.applyColour();
+      }
+    }
+  }
+
+  /**
+   * Updates the colour of the block (and children) to match the current
+   * disabled state.
+   *
+   * @internal
+   */
+  updateDisabled() {
+    const disabled = !this.isEnabled() || this.getInheritedDisabled();
+
+    if (this.visuallyDisabled === disabled) {
+      this.getNextBlock()?.updateDisabled();
+      return;
+    }
+
+    this.applyColour();
+    this.visuallyDisabled = disabled;
+    for (const child of this.getChildren(false)) {
+      child.updateDisabled();
+    }
+  }
+
+  /**
+   * Set this block's warning text.
+   *
+   * @param text The text, or null to delete.
+   * @param id An optional ID for the warning text to be able to maintain
+   *     multiple warnings.
+   */
+  override setWarningText(text: string | null, id: string = '') {
+    if (!id) {
+      // Kill all previous pending processes, this edit supersedes them all.
+      for (const timeout of this.warningTextDb.values()) {
+        clearTimeout(timeout);
+      }
+      this.warningTextDb.clear();
+    } else if (this.warningTextDb.has(id)) {
+      // Only queue up the latest change.  Kill any earlier pending process.
+      clearTimeout(this.warningTextDb.get(id)!);
+      this.warningTextDb.delete(id);
+    }
+    if (this.workspace.isDragging()) {
+      // Don't change the warning text during a drag.
+      // Wait until the drag finishes.
+      this.warningTextDb.set(
+        id,
+        setTimeout(() => {
+          if (!this.isDeadOrDying()) {
+            this.warningTextDb.delete(id);
+            this.setWarningText(text, id);
+          }
+        }, 100),
+      );
+      return;
+    }
+    if (this.isInFlyout) {
+      text = null;
+    }
+
+    const icon = this.getIcon(WarningIcon.TYPE) as WarningIcon | undefined;
+    if (text) {
+      // Bubble up to add a warning on top-most collapsed block.
+      // TODO(#6020): This warning is never removed.
+      let parent = this.getSurroundParent();
+      let collapsedParent = null;
+      while (parent) {
+        if (parent.isCollapsed()) {
+          collapsedParent = parent;
+        }
+        parent = parent.getSurroundParent();
+      }
+      if (collapsedParent) {
+        collapsedParent.setWarningText(
+          Msg['COLLAPSED_WARNINGS_WARNING'],
+          BlockSvg.COLLAPSED_WARNING_ID,
+        );
+      }
+
+      if (icon) {
+        (icon as WarningIcon).addMessage(text, id);
+      } else {
+        this.addIcon(new WarningIcon(this).addMessage(text, id));
+      }
+    } else if (icon) {
+      // Dispose all warnings if no ID is given.
+      if (!id) {
+        this.removeIcon(WarningIcon.TYPE);
+      } else {
+        // Remove just this warning id's message.
+        icon.addMessage('', id);
+        // Then remove the entire icon if there is no longer any text.
+        if (!icon.getText()) this.removeIcon(WarningIcon.TYPE);
+      }
+    }
+  }
+
+  /**
+   * Give this block a mutator dialog.
+   *
+   * @param mutator A mutator dialog instance or null to remove.
+   */
+  override setMutator(mutator: MutatorIcon | null) {
+    this.removeIcon(MutatorIcon.TYPE);
+    if (mutator) this.addIcon(mutator);
+  }
+
+  override addIcon<T extends IIcon>(icon: T): T {
+    super.addIcon(icon);
+
+    if (icon instanceof MutatorIcon) this.mutator = icon;
+
+    icon.initView(this.createIconPointerDownListener(icon));
+    icon.applyColour();
+    icon.updateEditable();
+    this.queueRender();
+
+    return icon;
+  }
+
+  /**
+   * Creates a pointer down event listener for the icon to append to its
+   * root svg.
+   */
+  private createIconPointerDownListener(icon: IIcon) {
+    return (e: PointerEvent) => {
+      if (this.isDeadOrDying()) return;
+      const gesture = this.workspace.getGesture(e);
+      if (gesture) {
+        gesture.setStartIcon(icon);
+      }
+    };
+  }
+
+  override removeIcon(type: IconType<IIcon>): boolean {
+    const removed = super.removeIcon(type);
+
+    if (type.equals(MutatorIcon.TYPE)) this.mutator = null;
+
+    this.queueRender();
+
+    return removed;
+  }
+
+  /**
+   * @deprecated v11 - Set whether the block is manually enabled or disabled.
+   * The user can toggle whether a block is disabled from a context menu
+   * option. A block may still be disabled for other reasons even if the user
+   * attempts to manually enable it, such as when the block is in an invalid
+   * location. This method is deprecated and setDisabledReason should be used
+   * instead.
+   *
+   * @param enabled True if enabled.
+   */
+  override setEnabled(enabled: boolean) {
+    deprecation.warn(
+      'setEnabled',
+      'v11',
+      'v12',
+      'the setDisabledReason method of BlockSvg',
+    );
+    const wasEnabled = this.isEnabled();
+    super.setEnabled(enabled);
+    if (this.isEnabled() !== wasEnabled && !this.getInheritedDisabled()) {
+      this.updateDisabled();
+    }
+  }
+
+  /**
+   * Add or remove a reason why the block might be disabled. If a block has
+   * any reasons to be disabled, then the block itself will be considered
+   * disabled. A block could be disabled for multiple independent reasons
+   * simultaneously, such as when the user manually disables it, or the block
+   * is invalid.
+   *
+   * @param disabled If true, then the block should be considered disabled for
+   *     at least the provided reason, otherwise the block is no longer disabled
+   *     for that reason.
+   * @param reason A language-neutral identifier for a reason why the block
+   *     could be disabled. Call this method again with the same identifier to
+   *     update whether the block is currently disabled for this reason.
+   */
+  override setDisabledReason(disabled: boolean, reason: string): void {
+    const wasEnabled = this.isEnabled();
+    super.setDisabledReason(disabled, reason);
+    if (this.isEnabled() !== wasEnabled && !this.getInheritedDisabled()) {
+      this.updateDisabled();
+    }
+  }
+
+  /**
+   * Set whether the block is highlighted or not.  Block highlighting is
+   * often used to visually mark blocks currently being executed.
+   *
+   * @param highlighted True if highlighted.
+   */
+  setHighlighted(highlighted: boolean) {
+    this.pathObject.updateHighlighted(highlighted);
+  }
+
+  /**
+   * Adds the visual "select" effect to the block, but does not actually select
+   * it or fire an event.
+   *
+   * @see BlockSvg#select
+   */
+  addSelect() {
+    this.pathObject.updateSelected(true);
+  }
+
+  /**
+   * Removes the visual "select" effect from the block, but does not actually
+   * unselect it or fire an event.
+   *
+   * @see BlockSvg#unselect
+   */
+  removeSelect() {
+    this.pathObject.updateSelected(false);
+  }
+
+  /**
+   * Update the cursor over this block by adding or removing a class.
+   *
+   * @param enable True if the delete cursor should be shown, false otherwise.
+   * @internal
+   */
+  setDeleteStyle(enable: boolean) {
+    this.pathObject.updateDraggingDelete(enable);
+  }
+
+  // Overrides of functions on Blockly.Block that take into account whether the
+  // block has been rendered.
+
+  /**
+   * Get the colour of a block.
+   *
+   * @returns #RRGGBB string.
+   */
+  override getColour(): string {
+    return this.style.colourPrimary;
+  }
+
+  /**
+   * Change the colour of a block.
+   *
+   * @param colour HSV hue value, or #RRGGBB string.
+   */
+  override setColour(colour: number | string) {
+    super.setColour(colour);
+    const styleObj = this.workspace
+      .getRenderer()
+      .getConstants()
+      .getBlockStyleForColour(this.colour_);
+
+    this.pathObject.setStyle(styleObj.style);
+    this.style = styleObj.style;
+    this.styleName_ = styleObj.name;
+
+    this.applyColour();
+  }
+
+  /**
+   * Set the style and colour values of a block.
+   *
+   * @param blockStyleName Name of the block style.
+   * @throws {Error} if the block style does not exist.
+   */
+  override setStyle(blockStyleName: string) {
+    const blockStyle = this.workspace
+      .getRenderer()
+      .getConstants()
+      .getBlockStyle(blockStyleName);
+    this.styleName_ = blockStyleName;
+
+    if (blockStyle) {
+      this.hat = blockStyle.hat;
+      this.pathObject.setStyle(blockStyle);
+      // Set colour to match Block.
+      this.colour_ = blockStyle.colourPrimary;
+      this.style = blockStyle;
+
+      this.applyColour();
+    } else {
+      throw Error('Invalid style name: ' + blockStyleName);
+    }
+  }
+
+  /**
+   * Move this block to the front of the visible workspace.
+   * <g> tags do not respect z-index so SVG renders them in the
+   * order that they are in the DOM.  By placing this block first within the
+   * block group's <g>, it will render on top of any other blocks.
+   *
+   * @param blockOnly: True to only move this block to the front without
+   *     adjusting its parents.
+   * @internal
+   */
+  bringToFront(blockOnly = false) {
+    /* eslint-disable-next-line @typescript-eslint/no-this-alias */
+    let block: this | null = this;
+    if (block.isDeadOrDying()) {
+      return;
+    }
+    do {
+      const root = block.getSvgRoot();
+      const parent = root.parentNode;
+      const childNodes = parent!.childNodes;
+      // Avoid moving the block if it's already at the bottom.
+      if (childNodes[childNodes.length - 1] !== root) {
+        parent!.appendChild(root);
+      }
+      if (blockOnly) break;
+      block = block.getParent();
+    } while (block);
+  }
+
+  /**
+   * Set whether this block can chain onto the bottom of another block.
+   *
+   * @param newBoolean True if there can be a previous statement.
+   * @param opt_check Statement type or list of statement types.  Null/undefined
+   *     if any type could be connected.
+   */
+  override setPreviousStatement(
+    newBoolean: boolean,
+    opt_check?: string | string[] | null,
+  ) {
+    super.setPreviousStatement(newBoolean, opt_check);
+    this.queueRender();
+  }
+
+  /**
+   * Set whether another block can chain onto the bottom of this block.
+   *
+   * @param newBoolean True if there can be a next statement.
+   * @param opt_check Statement type or list of statement types.  Null/undefined
+   *     if any type could be connected.
+   */
+  override setNextStatement(
+    newBoolean: boolean,
+    opt_check?: string | string[] | null,
+  ) {
+    super.setNextStatement(newBoolean, opt_check);
+    this.queueRender();
+  }
+
+  /**
+   * Set whether this block returns a value.
+   *
+   * @param newBoolean True if there is an output.
+   * @param opt_check Returned type or list of returned types.  Null or
+   *     undefined if any type could be returned (e.g. variable get).
+   */
+  override setOutput(
+    newBoolean: boolean,
+    opt_check?: string | string[] | null,
+  ) {
+    super.setOutput(newBoolean, opt_check);
+    this.queueRender();
+  }
+
+  /**
+   * Set whether value inputs are arranged horizontally or vertically.
+   *
+   * @param newBoolean True if inputs are horizontal.
+   */
+  override setInputsInline(newBoolean: boolean) {
+    super.setInputsInline(newBoolean);
+    this.queueRender();
+  }
+
+  /**
+   * Remove an input from this block.
+   *
+   * @param name The name of the input.
+   * @param opt_quiet True to prevent error if input is not present.
+   * @returns True if operation succeeds, false if input is not present and
+   *     opt_quiet is true
+   * @throws {Error} if the input is not present and opt_quiet is not true.
+   */
+  override removeInput(name: string, opt_quiet?: boolean): boolean {
+    const removed = super.removeInput(name, opt_quiet);
+    this.queueRender();
+    return removed;
+  }
+
+  /**
+   * Move a numbered input to a different location on this block.
+   *
+   * @param inputIndex Index of the input to move.
+   * @param refIndex Index of input that should be after the moved input.
+   */
+  override moveNumberedInputBefore(inputIndex: number, refIndex: number) {
+    super.moveNumberedInputBefore(inputIndex, refIndex);
+    this.queueRender();
+  }
+
+  /** @override */
+  override appendInput(input: Input): Input {
+    super.appendInput(input);
+    this.queueRender();
+    return input;
+  }
+
+  /**
+   * Sets whether this block's connections are tracked in the database or not.
+   *
+   * Used by the deserializer to be more efficient. Setting a connection's
+   * tracked_ value to false keeps it from adding itself to the db when it
+   * gets its first moveTo call, saving expensive ops for later.
+   *
+   * @param track If true, start tracking. If false, stop tracking.
+   * @internal
+   */
+  setConnectionTracking(track: boolean) {
+    if (this.previousConnection) {
+      this.previousConnection.setTracking(track);
+    }
+    if (this.outputConnection) {
+      this.outputConnection.setTracking(track);
+    }
+    if (this.nextConnection) {
+      this.nextConnection.setTracking(track);
+      const child = this.nextConnection.targetBlock();
+      if (child) {
+        child.setConnectionTracking(track);
+      }
+    }
+
+    if (this.collapsed_) {
+      // When track is true, we don't want to start tracking collapsed
+      // connections. When track is false, we're already not tracking
+      // collapsed connections, so no need to update.
+      return;
+    }
+
+    for (let i = 0; i < this.inputList.length; i++) {
+      const conn = this.inputList[i].connection as RenderedConnection;
+      if (conn) {
+        conn.setTracking(track);
+
+        // Pass tracking on down the chain.
+        const block = conn.targetBlock();
+        if (block) {
+          block.setConnectionTracking(track);
+        }
+      }
+    }
+  }
+
+  /**
+   * Returns connections originating from this block.
+   *
+   * @param all If true, return all connections even hidden ones.
+   *     Otherwise, for a collapsed block don't return inputs connections.
+   * @returns Array of connections.
+   * @internal
+   */
+  override getConnections_(all: boolean): RenderedConnection[] {
+    const myConnections = [];
+    if (this.outputConnection) {
+      myConnections.push(this.outputConnection);
+    }
+    if (this.previousConnection) {
+      myConnections.push(this.previousConnection);
+    }
+    if (this.nextConnection) {
+      myConnections.push(this.nextConnection);
+    }
+    if (all || !this.collapsed_) {
+      for (let i = 0, input; (input = this.inputList[i]); i++) {
+        if (input.connection) {
+          myConnections.push(input.connection as RenderedConnection);
+        }
+      }
+    }
+    return myConnections;
+  }
+
+  /**
+   * Walks down a stack of blocks and finds the last next connection on the
+   * stack.
+   *
+   * @param ignoreShadows If true,the last connection on a non-shadow block will
+   *     be returned. If false, this will follow shadows to find the last
+   *     connection.
+   * @returns The last next connection on the stack, or null.
+   * @internal
+   */
+  override lastConnectionInStack(
+    ignoreShadows: boolean,
+  ): RenderedConnection | null {
+    return super.lastConnectionInStack(ignoreShadows) as RenderedConnection;
+  }
+
+  /**
+   * Find the connection on this block that corresponds to the given connection
+   * on the other block.
+   * Used to match connections between a block and its insertion marker.
+   *
+   * @param otherBlock The other block to match against.
+   * @param conn The other connection to match.
+   * @returns The matching connection on this block, or null.
+   * @internal
+   */
+  override getMatchingConnection(
+    otherBlock: Block,
+    conn: Connection,
+  ): RenderedConnection | null {
+    return super.getMatchingConnection(otherBlock, conn) as RenderedConnection;
+  }
+
+  /**
+   * Create a connection of the specified type.
+   *
+   * @param type The type of the connection to create.
+   * @returns A new connection of the specified type.
+   * @internal
+   */
+  override makeConnection_(type: ConnectionType): RenderedConnection {
+    return new RenderedConnection(this, type);
+  }
+
+  /**
+   * Return the next statement block directly connected to this block.
+   *
+   * @returns The next statement block or null.
+   */
+  override getNextBlock(): BlockSvg | null {
+    return super.getNextBlock() as BlockSvg;
+  }
+
+  /**
+   * Returns the block connected to the previous connection.
+   *
+   * @returns The previous statement block or null.
+   */
+  override getPreviousBlock(): BlockSvg | null {
+    return super.getPreviousBlock() as BlockSvg;
+  }
+
+  /**
+   * Bumps unconnected blocks out of alignment.
+   *
+   * Two blocks which aren't actually connected should not coincidentally line
+   * up on screen, because that creates confusion for end-users.
+   */
+  override bumpNeighbours() {
+    const root = this.getRootBlock();
+    if (
+      this.isDeadOrDying() ||
+      this.workspace.isDragging() ||
+      root.isInFlyout
+    ) {
+      return;
+    }
+
+    function neighbourIsInStack(neighbour: RenderedConnection) {
+      return neighbour.getSourceBlock().getRootBlock() === root;
+    }
+
+    for (const conn of this.getConnections_(false)) {
+      if (conn.isSuperior()) {
+        // Recurse down the block stack.
+        conn.targetBlock()?.bumpNeighbours();
+      }
+
+      for (const neighbour of conn.neighbours(config.snapRadius)) {
+        if (neighbourIsInStack(neighbour)) continue;
+        if (conn.isConnected() && neighbour.isConnected()) continue;
+
+        if (conn.isSuperior()) {
+          neighbour.bumpAwayFrom(conn);
+        } else {
+          conn.bumpAwayFrom(neighbour);
+        }
+      }
+    }
+  }
+
+  /**
+   * Snap to grid, and then bump neighbouring blocks away at the end of the next
+   * render.
+   */
+  scheduleSnapAndBump() {
+    this.snapToGrid();
+    this.bumpNeighbours();
+  }
+
+  /**
+   * Position a block so that it doesn't move the target block when connected.
+   * The block to position is usually either the first block in a dragged stack
+   * or an insertion marker.
+   *
+   * @param sourceConnection The connection on the moving block's stack.
+   * @param originalOffsetToTarget The connection original offset to the target connection
+   * @param originalOffsetInBlock The connection original offset in its block
+   * @internal
+   */
+  positionNearConnection(
+    sourceConnection: RenderedConnection,
+    originalOffsetToTarget: {x: number; y: number},
+    originalOffsetInBlock: Coordinate,
+  ) {
+    // We only need to position the new block if it's before the existing one,
+    // otherwise its position is set by the previous block.
+    if (
+      sourceConnection.type === ConnectionType.NEXT_STATEMENT ||
+      sourceConnection.type === ConnectionType.INPUT_VALUE
+    ) {
+      // First move the block to match the orginal target connection position
+      let dx = originalOffsetToTarget.x;
+      let dy = originalOffsetToTarget.y;
+      // Then adjust its position according to the connection resize
+      dx += originalOffsetInBlock.x - sourceConnection.getOffsetInBlock().x;
+      dy += originalOffsetInBlock.y - sourceConnection.getOffsetInBlock().y;
+
+      this.moveBy(dx, dy);
+    }
+  }
+
+  /**
+   * Find all the blocks that are directly nested inside this one.
+   * Includes value and statement inputs, as well as any following statement.
+   * Excludes any connection on an output tab or any preceding statement.
+   * Blocks are optionally sorted by position; top to bottom.
+   *
+   * @param ordered Sort the list if true.
+   * @returns Array of blocks.
+   */
+  override getChildren(ordered: boolean): BlockSvg[] {
+    return super.getChildren(ordered) as BlockSvg[];
+  }
+
+  /**
+   * Triggers a rerender after a delay to allow for batching.
+   *
+   * @returns A promise that resolves after the currently queued renders have
+   *     been completed. Used for triggering other behavior that relies on
+   *     updated size/position location for the block.
+   * @internal
+   */
+  queueRender(): Promise<void> {
+    return renderManagement.queueRender(this);
+  }
+
+  /**
+   * Immediately lays out and reflows a block based on its contents and
+   * settings.
+   */
+  render() {
+    this.queueRender();
+    renderManagement.triggerQueuedRenders();
+  }
+
+  /**
+   * Renders this block in a way that's compatible with the more efficient
+   * render management system.
+   *
+   * @internal
+   */
+  renderEfficiently() {
+    dom.startTextWidthCache();
+
+    if (this.isCollapsed()) {
+      this.updateCollapsed_();
+    }
+
+    if (!this.isEnabled()) {
+      this.updateDisabled();
+    }
+
+    this.workspace.getRenderer().render(this);
+    this.tightenChildrenEfficiently();
+
+    dom.stopTextWidthCache();
+    this.updateMarkers_();
+  }
+
+  /**
+   * Tightens all children of this block so they are snuggly rendered against
+   * their parent connections.
+   *
+   * Does not update connection locations, so that they can be updated more
+   * efficiently by the render management system.
+   *
+   * @internal
+   */
+  tightenChildrenEfficiently() {
+    for (const input of this.inputList) {
+      const conn = input.connection as RenderedConnection;
+      if (conn) conn.tightenEfficiently();
+    }
+    if (this.nextConnection) this.nextConnection.tightenEfficiently();
+  }
+
+  /** Redraw any attached marker or cursor svgs if needed. */
+  protected updateMarkers_() {
+    if (this.workspace.keyboardAccessibilityMode && this.pathObject.cursorSvg) {
+      this.workspace.getCursor()!.draw();
+    }
+    if (this.workspace.keyboardAccessibilityMode && this.pathObject.markerSvg) {
+      // TODO(#4592): Update all markers on the block.
+      this.workspace.getMarker(MarkerManager.LOCAL_MARKER)!.draw();
+    }
+    for (const input of this.inputList) {
+      for (const field of input.fieldRow) {
+        field.updateMarkers_();
+      }
+    }
+  }
+
+  /**
+   * Add the cursor SVG to this block's SVG group.
+   *
+   * @param cursorSvg The SVG root of the cursor to be added to the block SVG
+   *     group.
+   * @internal
+   */
+  setCursorSvg(cursorSvg: SVGElement) {
+    this.pathObject.setCursorSvg(cursorSvg);
+  }
+
+  /**
+   * Add the marker SVG to this block's SVG group.
+   *
+   * @param markerSvg The SVG root of the marker to be added to the block SVG
+   *     group.
+   * @internal
+   */
+  setMarkerSvg(markerSvg: SVGElement) {
+    this.pathObject.setMarkerSvg(markerSvg);
+  }
+
+  /**
+   * Returns a bounding box describing the dimensions of this block
+   * and any blocks stacked below it.
+   *
+   * @returns Object with height and width properties in workspace units.
+   * @internal
+   */
+  getHeightWidth(): {height: number; width: number} {
+    let height = this.height;
+    let width = this.width;
+    // Recursively add size of subsequent blocks.
+    const nextBlock = this.getNextBlock();
+    if (nextBlock) {
+      const nextHeightWidth = nextBlock.getHeightWidth();
+      const tabHeight = this.workspace
+        .getRenderer()
+        .getConstants().NOTCH_HEIGHT;
+      height += nextHeightWidth.height - tabHeight;
+      width = Math.max(width, nextHeightWidth.width);
+    }
+    return {height, width};
+  }
+
+  /**
+   * Visual effect to show that if the dragging block is dropped, this block
+   * will be replaced.  If a shadow block, it will disappear.  Otherwise it will
+   * bump.
+   *
+   * @param add True if highlighting should be added.
+   * @internal
+   */
+  fadeForReplacement(add: boolean) {
+    // TODO (7204): Remove these internal methods.
+    (this.pathObject as AnyDuringMigration).updateReplacementFade(add);
+  }
+
+  /**
+   * Visual effect to show that if the dragging block is dropped it will connect
+   * to this input.
+   *
+   * @param conn The connection on the input to highlight.
+   * @param add True if highlighting should be added.
+   * @internal
+   */
+  highlightShapeForInput(conn: RenderedConnection, add: boolean) {
+    // TODO (7204): Remove these internal methods.
+    (this.pathObject as AnyDuringMigration).updateShapeForInputHighlight(
+      conn,
+      add,
+    );
+  }
+
+  /** Sets the drag strategy for this block. */
+  setDragStrategy(dragStrategy: IDragStrategy) {
+    this.dragStrategy = dragStrategy;
+  }
+
+  /** Returns whether this block is movable or not. */
+  override isMovable(): boolean {
+    return this.dragStrategy.isMovable();
+  }
+
+  /** Starts a drag on the block. */
+  startDrag(e?: PointerEvent): void {
+    this.dragStrategy.startDrag(e);
+  }
+
+  /** Drags the block to the given location. */
+  drag(newLoc: Coordinate, e?: PointerEvent): void {
+    this.dragStrategy.drag(newLoc, e);
+  }
+
+  /** Ends the drag on the block. */
+  endDrag(e?: PointerEvent): void {
+    this.dragStrategy.endDrag(e);
+  }
+
+  /** Moves the block back to where it was at the start of a drag. */
+  revertDrag(): void {
+    this.dragStrategy.revertDrag();
+  }
+
+  /**
+   * Returns a representation of this block that can be displayed in a flyout.
+   */
+  toFlyoutInfo(): FlyoutItemInfo[] {
+    const json: FlyoutItemInfo = {
+      kind: 'BLOCK',
+      ...blocks.save(this),
+    };
+
+    const toRemove = new Set(['id', 'height', 'width', 'pinned', 'enabled']);
+
+    // Traverse the JSON recursively.
+    const traverseJson = function (json: {[key: string]: unknown}) {
+      for (const key in json) {
+        if (toRemove.has(key)) {
+          delete json[key];
+        } else if (typeof json[key] === 'object') {
+          traverseJson(json[key] as {[key: string]: unknown});
+        }
+      }
+    };
+
+    traverseJson(json as unknown as {[key: string]: unknown});
+    return [json];
+  }
+}
diff --git a/core/blockly.js b/core/blockly.js
deleted file mode 100644
index 1c7025c307b..00000000000
--- a/core/blockly.js
+++ /dev/null
@@ -1,674 +0,0 @@
-/**
- * @license
- * Copyright 2011 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Core JavaScript library for Blockly.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * The top level namespace used to access the Blockly library.
- * @namespace Blockly
- */
-goog.provide('Blockly');
-
-goog.require('Blockly.constants');
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.Ui');
-goog.require('Blockly.inject');
-goog.require('Blockly.navigation');
-goog.require('Blockly.Procedures');
-goog.require('Blockly.Tooltip');
-goog.require('Blockly.Touch');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.colour');
-goog.require('Blockly.utils.Size');
-goog.require('Blockly.Variables');
-goog.require('Blockly.WidgetDiv');
-goog.require('Blockly.WorkspaceSvg');
-goog.require('Blockly.Xml');
-
-
-/**
- * Blockly core version.
- * This constant is overridden by the build script (build.py) to the value of the version
- * in package.json. This is done during the gen_core build step.
- * For local builds, you can pass --define='Blockly.VERSION=X.Y.Z' to the compiler
- * to override this constant.
- * @define {string}
- */
-Blockly.VERSION = 'uncompiled';
-
-/**
- * The main workspace most recently used.
- * Set by Blockly.WorkspaceSvg.prototype.markFocused
- * @type {Blockly.Workspace}
- */
-Blockly.mainWorkspace = null;
-
-/**
- * Currently selected block.
- * @type {?Blockly.ICopyable}
- */
-Blockly.selected = null;
-
-/**
- * All of the connections on blocks that are currently being dragged.
- * @type {!Array.<!Blockly.Connection>}
- * @package
- */
-Blockly.draggingConnections = [];
-
-/**
- * Contents of the local clipboard.
- * @type {Element}
- * @private
- */
-Blockly.clipboardXml_ = null;
-
-/**
- * Source of the local clipboard.
- * @type {Blockly.WorkspaceSvg}
- * @private
- */
-Blockly.clipboardSource_ = null;
-
-/**
- * Map of types to type counts for the clipboard object and descendants.
- * @type {Object}
- * @private
- */
-Blockly.clipboardTypeCounts_ = null;
-
-/**
- * Cached value for whether 3D is supported.
- * @type {?boolean}
- * @private
- */
-Blockly.cache3dSupported_ = null;
-
-/**
- * Container element to render the WidgetDiv, DropDownDiv and Tooltip.
- * @type {?Element}
- * @package
- */
-Blockly.parentContainer = null;
-
-/**
- * Blockly opaque event data used to unbind events when using
- * `Blockly.bindEvent_` and `Blockly.bindEventWithChecks_`.
- * @typedef {!Array.<!Array>}
- */
-Blockly.EventData;
-
-/**
- * Returns the dimensions of the specified SVG image.
- * @param {!SVGElement} svg SVG image.
- * @return {!Blockly.utils.Size} Contains width and height properties.
- */
-Blockly.svgSize = function(svg) {
-  svg = /** @type {?} */ (svg);
-  return new Blockly.utils.Size(svg.cachedWidth_, svg.cachedHeight_);
-};
-
-/**
- * Size the workspace when the contents change.  This also updates
- * scrollbars accordingly.
- * @param {!Blockly.WorkspaceSvg} workspace The workspace to resize.
- */
-Blockly.resizeSvgContents = function(workspace) {
-  workspace.resizeContents();
-};
-
-/**
- * Size the SVG image to completely fill its container. Call this when the view
- * actually changes sizes (e.g. on a window resize/device orientation change).
- * See Blockly.resizeSvgContents to resize the workspace when the contents
- * change (e.g. when a block is added or removed).
- * Record the height/width of the SVG image.
- * @param {!Blockly.WorkspaceSvg} workspace Any workspace in the SVG.
- */
-Blockly.svgResize = function(workspace) {
-  var mainWorkspace = workspace;
-  while (mainWorkspace.options.parentWorkspace) {
-    mainWorkspace = mainWorkspace.options.parentWorkspace;
-  }
-  var svg = mainWorkspace.getParentSvg();
-  var div = svg.parentNode;
-  if (!div) {
-    // Workspace deleted, or something.
-    return;
-  }
-  var width = div.offsetWidth;
-  var height = div.offsetHeight;
-  if (svg.cachedWidth_ != width) {
-    svg.setAttribute('width', width + 'px');
-    svg.cachedWidth_ = width;
-  }
-  if (svg.cachedHeight_ != height) {
-    svg.setAttribute('height', height + 'px');
-    svg.cachedHeight_ = height;
-  }
-  mainWorkspace.resize();
-};
-
-/**
- * Handle a key-down on SVG drawing surface. Does nothing if the main workspace
- * is not visible.
- * @param {!KeyboardEvent} e Key down event.
- * @package
- */
-// TODO (https://github.com/google/blockly/issues/1998) handle cases where there
-// are multiple workspaces and non-main workspaces are able to accept input.
-Blockly.onKeyDown = function(e) {
-  var mainWorkspace = Blockly.mainWorkspace;
-  if (!mainWorkspace) {
-    return;
-  }
-
-  if (Blockly.utils.isTargetInput(e) ||
-      (mainWorkspace.rendered && !mainWorkspace.isVisible())) {
-    // When focused on an HTML text input widget, don't trap any keys.
-    // Ignore keypresses on rendered workspaces that have been explicitly
-    // hidden.
-    return;
-  }
-
-  if (mainWorkspace.options.readOnly) {
-    // When in read only mode handle key actions for keyboard navigation.
-    Blockly.navigation.onKeyPress(e);
-    return;
-  }
-
-  var deleteBlock = false;
-  if (e.keyCode == Blockly.utils.KeyCodes.ESC) {
-    // Pressing esc closes the context menu.
-    Blockly.hideChaff();
-    Blockly.navigation.onBlocklyAction(Blockly.navigation.ACTION_EXIT);
-  } else if (!Blockly.Gesture.inProgress() && Blockly.navigation.onKeyPress(e)) {
-    // If the keyboard or field handled the key press return.
-    return;
-  } else if (e.keyCode == Blockly.utils.KeyCodes.BACKSPACE ||
-      e.keyCode == Blockly.utils.KeyCodes.DELETE) {
-    // Delete or backspace.
-    // Stop the browser from going back to the previous page.
-    // Do this first to prevent an error in the delete code from resulting in
-    // data loss.
-    e.preventDefault();
-    // Don't delete while dragging.  Jeez.
-    if (Blockly.Gesture.inProgress()) {
-      return;
-    }
-    if (Blockly.selected && Blockly.selected.isDeletable()) {
-      deleteBlock = true;
-    }
-  } else if (e.altKey || e.ctrlKey || e.metaKey) {
-    // Don't use meta keys during drags.
-    if (Blockly.Gesture.inProgress()) {
-      return;
-    }
-    if (Blockly.selected &&
-        Blockly.selected.isDeletable() && Blockly.selected.isMovable()) {
-      // Don't allow copying immovable or undeletable blocks. The next step
-      // would be to paste, which would create additional undeletable/immovable
-      // blocks on the workspace.
-      if (e.keyCode == Blockly.utils.KeyCodes.C) {
-        // 'c' for copy.
-        Blockly.hideChaff();
-        Blockly.copy_(Blockly.selected);
-      } else if (e.keyCode == Blockly.utils.KeyCodes.X &&
-          !Blockly.selected.workspace.isFlyout) {
-        // 'x' for cut, but not in a flyout.
-        // Don't even copy the selected item in the flyout.
-        Blockly.copy_(Blockly.selected);
-        deleteBlock = true;
-      }
-    }
-    if (e.keyCode == Blockly.utils.KeyCodes.V) {
-      // 'v' for paste.
-      if (Blockly.clipboardXml_) {
-        // Pasting always pastes to the main workspace, even if the copy
-        // started in a flyout workspace.
-        var workspace = Blockly.clipboardSource_;
-        if (workspace.isFlyout) {
-          workspace = workspace.targetWorkspace;
-        }
-        if (Blockly.clipboardTypeCounts_ &&
-            workspace.isCapacityAvailable(Blockly.clipboardTypeCounts_)) {
-          Blockly.Events.setGroup(true);
-          workspace.paste(Blockly.clipboardXml_);
-          Blockly.Events.setGroup(false);
-        }
-      }
-    } else if (e.keyCode == Blockly.utils.KeyCodes.Z) {
-      // 'z' for undo 'Z' is for redo.
-      Blockly.hideChaff();
-      mainWorkspace.undo(e.shiftKey);
-    } else if (e.ctrlKey && e.keyCode == Blockly.utils.KeyCodes.Y) {
-      // Ctrl-y is redo in Windows.  Command-y is never valid on Macs.
-      Blockly.hideChaff();
-      mainWorkspace.undo(true);
-    }
-  }
-  // Common code for delete and cut.
-  // Don't delete in the flyout.
-  if (deleteBlock && !Blockly.selected.workspace.isFlyout) {
-    Blockly.Events.setGroup(true);
-    Blockly.hideChaff();
-    var selected = /** @type {!Blockly.BlockSvg} */ (Blockly.selected);
-    selected.dispose(/* heal */ true, true);
-    Blockly.Events.setGroup(false);
-  }
-};
-
-/**
- * Copy a block or workspace comment onto the local clipboard.
- * @param {!Blockly.ICopyable} toCopy Block or Workspace Comment to be copied.
- * @private
- */
-Blockly.copy_ = function(toCopy) {
-  var data = toCopy.toCopyData();
-  if (data) {
-    Blockly.clipboardXml_ = data.xml;
-    Blockly.clipboardSource_ = data.source;
-    Blockly.clipboardTypeCounts_ = data.typeCounts;
-  }
-};
-
-/**
- * Duplicate this block and its children, or a workspace comment.
- * @param {!Blockly.ICopyable} toDuplicate Block or Workspace Comment to be
- *     copied.
- * @package
- */
-Blockly.duplicate = function(toDuplicate) {
-  // Save the clipboard.
-  var clipboardXml = Blockly.clipboardXml_;
-  var clipboardSource = Blockly.clipboardSource_;
-
-  // Create a duplicate via a copy/paste operation.
-  Blockly.copy_(toDuplicate);
-  toDuplicate.workspace.paste(Blockly.clipboardXml_);
-
-  // Restore the clipboard.
-  Blockly.clipboardXml_ = clipboardXml;
-  Blockly.clipboardSource_ = clipboardSource;
-};
-
-/**
- * Cancel the native context menu, unless the focus is on an HTML input widget.
- * @param {!Event} e Mouse down event.
- * @private
- */
-Blockly.onContextMenu_ = function(e) {
-  if (!Blockly.utils.isTargetInput(e)) {
-    // When focused on an HTML text input widget, don't cancel the context menu.
-    e.preventDefault();
-  }
-};
-
-/**
- * Close tooltips, context menus, dropdown selections, etc.
- * @param {boolean=} opt_allowToolbox If true, don't close the toolbox.
- */
-Blockly.hideChaff = function(opt_allowToolbox) {
-  Blockly.Tooltip.hide();
-  Blockly.WidgetDiv.hide();
-  Blockly.DropDownDiv.hideWithoutAnimation();
-  if (!opt_allowToolbox) {
-    var workspace = Blockly.getMainWorkspace();
-    // For now the trashcan flyout always autocloses because it overlays the
-    // trashcan UI (no trashcan to click to close it).
-    if (workspace.trashcan &&
-      workspace.trashcan.flyout) {
-      workspace.trashcan.closeFlyout();
-    }
-    var toolbox = workspace.getToolbox();
-    if (toolbox &&
-        toolbox.getFlyout() &&
-        toolbox.getFlyout().autoClose) {
-      toolbox.clearSelection();
-    }
-  }
-};
-
-/**
- * Returns the main workspace.  Returns the last used main workspace (based on
- * focus).  Try not to use this function, particularly if there are multiple
- * Blockly instances on a page.
- * @return {!Blockly.Workspace} The main workspace.
- */
-Blockly.getMainWorkspace = function() {
-  return /** @type {!Blockly.Workspace} */ (Blockly.mainWorkspace);
-};
-
-/**
- * Wrapper to window.alert() that app developers may override to
- * provide alternatives to the modal browser window.
- * @param {string} message The message to display to the user.
- * @param {function()=} opt_callback The callback when the alert is dismissed.
- */
-Blockly.alert = function(message, opt_callback) {
-  alert(message);
-  if (opt_callback) {
-    opt_callback();
-  }
-};
-
-/**
- * Wrapper to window.confirm() that app developers may override to
- * provide alternatives to the modal browser window.
- * @param {string} message The message to display to the user.
- * @param {!function(boolean)} callback The callback for handling user response.
- */
-Blockly.confirm = function(message, callback) {
-  callback(confirm(message));
-};
-
-/**
- * Wrapper to window.prompt() that app developers may override to provide
- * alternatives to the modal browser window. Built-in browser prompts are
- * often used for better text input experience on mobile device. We strongly
- * recommend testing mobile when overriding this.
- * @param {string} message The message to display to the user.
- * @param {string} defaultValue The value to initialize the prompt with.
- * @param {!function(?string)} callback The callback for handling user response.
- */
-Blockly.prompt = function(message, defaultValue, callback) {
-  callback(prompt(message, defaultValue));
-};
-
-/**
- * Helper function for defining a block from JSON.  The resulting function has
- * the correct value of jsonDef at the point in code where jsonInit is called.
- * @param {!Object} jsonDef The JSON definition of a block.
- * @return {function()} A function that calls jsonInit with the correct value
- *     of jsonDef.
- * @private
- */
-Blockly.jsonInitFactory_ = function(jsonDef) {
-  return function() {
-    this.jsonInit(jsonDef);
-  };
-};
-
-/**
- * Define blocks from an array of JSON block definitions, as might be generated
- * by the Blockly Developer Tools.
- * @param {!Array.<!Object>} jsonArray An array of JSON block definitions.
- */
-Blockly.defineBlocksWithJsonArray = function(jsonArray) {
-  for (var i = 0; i < jsonArray.length; i++) {
-    var elem = jsonArray[i];
-    if (!elem) {
-      console.warn(
-          'Block definition #' + i + ' in JSON array is ' + elem + '. ' +
-          'Skipping.');
-    } else {
-      var typename = elem.type;
-      if (typename == null || typename === '') {
-        console.warn(
-            'Block definition #' + i +
-            ' in JSON array is missing a type attribute. Skipping.');
-      } else {
-        if (Blockly.Blocks[typename]) {
-          console.warn(
-              'Block definition #' + i + ' in JSON array' +
-              ' overwrites prior definition of "' + typename + '".');
-        }
-        Blockly.Blocks[typename] = {
-          init: Blockly.jsonInitFactory_(elem)
-        };
-      }
-    }
-  }
-};
-
-/**
- * Bind an event to a function call.  When calling the function, verifies that
- * it belongs to the touch stream that is currently being processed, and splits
- * multitouch events into multiple events as needed.
- * @param {!EventTarget} node Node upon which to listen.
- * @param {string} name Event name to listen to (e.g. 'mousedown').
- * @param {Object} thisObject The value of 'this' in the function.
- * @param {!Function} func Function to call when event is triggered.
- * @param {boolean=} opt_noCaptureIdentifier True if triggering on this event
- *     should not block execution of other event handlers on this touch or
- *     other simultaneous touches.  False by default.
- * @param {boolean=} opt_noPreventDefault True if triggering on this event
- *     should prevent the default handler.  False by default.  If
- *     opt_noPreventDefault is provided, opt_noCaptureIdentifier must also be
- *     provided.
- * @return {!Blockly.EventData} Opaque data that can be passed to unbindEvent_.
- */
-Blockly.bindEventWithChecks_ = function(node, name, thisObject, func,
-    opt_noCaptureIdentifier, opt_noPreventDefault) {
-  var handled = false;
-  var wrapFunc = function(e) {
-    var captureIdentifier = !opt_noCaptureIdentifier;
-    // Handle each touch point separately.  If the event was a mouse event, this
-    // will hand back an array with one element, which we're fine handling.
-    var events = Blockly.Touch.splitEventByTouches(e);
-    for (var i = 0, event; (event = events[i]); i++) {
-      if (captureIdentifier && !Blockly.Touch.shouldHandleEvent(event)) {
-        continue;
-      }
-      Blockly.Touch.setClientFromTouch(event);
-      if (thisObject) {
-        func.call(thisObject, event);
-      } else {
-        func(event);
-      }
-      handled = true;
-    }
-  };
-
-  var bindData = [];
-  if (Blockly.utils.global['PointerEvent'] &&
-      (name in Blockly.Touch.TOUCH_MAP)) {
-    for (var i = 0, type; (type = Blockly.Touch.TOUCH_MAP[name][i]); i++) {
-      node.addEventListener(type, wrapFunc, false);
-      bindData.push([node, type, wrapFunc]);
-    }
-  } else {
-    node.addEventListener(name, wrapFunc, false);
-    bindData.push([node, name, wrapFunc]);
-
-    // Add equivalent touch event.
-    if (name in Blockly.Touch.TOUCH_MAP) {
-      var touchWrapFunc = function(e) {
-        wrapFunc(e);
-        // Calling preventDefault stops the browser from scrolling/zooming the
-        // page.
-        var preventDef = !opt_noPreventDefault;
-        if (handled && preventDef) {
-          e.preventDefault();
-        }
-      };
-      for (var i = 0, type; (type = Blockly.Touch.TOUCH_MAP[name][i]); i++) {
-        node.addEventListener(type, touchWrapFunc, false);
-        bindData.push([node, type, touchWrapFunc]);
-      }
-    }
-  }
-  return bindData;
-};
-
-
-/**
- * Bind an event to a function call.  Handles multitouch events by using the
- * coordinates of the first changed touch, and doesn't do any safety checks for
- * simultaneous event processing.  In most cases prefer is to use
- * `Blockly.bindEventWithChecks_`.
- * @param {!EventTarget} node Node upon which to listen.
- * @param {string} name Event name to listen to (e.g. 'mousedown').
- * @param {Object} thisObject The value of 'this' in the function.
- * @param {!Function} func Function to call when event is triggered.
- * @return {!Blockly.EventData} Opaque data that can be passed to unbindEvent_.
- */
-Blockly.bindEvent_ = function(node, name, thisObject, func) {
-  var wrapFunc = function(e) {
-    if (thisObject) {
-      func.call(thisObject, e);
-    } else {
-      func(e);
-    }
-  };
-
-  var bindData = [];
-  if (Blockly.utils.global['PointerEvent'] &&
-      (name in Blockly.Touch.TOUCH_MAP)) {
-    for (var i = 0, type; (type = Blockly.Touch.TOUCH_MAP[name][i]); i++) {
-      node.addEventListener(type, wrapFunc, false);
-      bindData.push([node, type, wrapFunc]);
-    }
-  } else {
-    node.addEventListener(name, wrapFunc, false);
-    bindData.push([node, name, wrapFunc]);
-
-    // Add equivalent touch event.
-    if (name in Blockly.Touch.TOUCH_MAP) {
-      var touchWrapFunc = function(e) {
-        // Punt on multitouch events.
-        if (e.changedTouches && e.changedTouches.length == 1) {
-          // Map the touch event's properties to the event.
-          var touchPoint = e.changedTouches[0];
-          e.clientX = touchPoint.clientX;
-          e.clientY = touchPoint.clientY;
-        }
-        wrapFunc(e);
-
-        // Stop the browser from scrolling/zooming the page.
-        e.preventDefault();
-      };
-      for (var i = 0, type; (type = Blockly.Touch.TOUCH_MAP[name][i]); i++) {
-        node.addEventListener(type, touchWrapFunc, false);
-        bindData.push([node, type, touchWrapFunc]);
-      }
-    }
-  }
-  return bindData;
-};
-
-/**
- * Unbind one or more events event from a function call.
- * @param {!Array.<!Array>} bindData Opaque data from bindEvent_.
- *     This list is emptied during the course of calling this function.
- * @return {!Function} The function call.
- */
-Blockly.unbindEvent_ = function(bindData) {
-  while (bindData.length) {
-    var bindDatum = bindData.pop();
-    var node = bindDatum[0];
-    var name = bindDatum[1];
-    var func = bindDatum[2];
-    node.removeEventListener(name, func, false);
-  }
-  return func;
-};
-
-/**
- * Is the given string a number (includes negative and decimals).
- * @param {string} str Input string.
- * @return {boolean} True if number, false otherwise.
- */
-Blockly.isNumber = function(str) {
-  return /^\s*-?\d+(\.\d+)?\s*$/.test(str);
-};
-
-/**
- * Convert a hue (HSV model) into an RGB hex triplet.
- * @param {number} hue Hue on a colour wheel (0-360).
- * @return {string} RGB code, e.g. '#5ba65b'.
- */
-Blockly.hueToHex = function(hue) {
-  return Blockly.utils.colour.hsvToHex(hue, Blockly.HSV_SATURATION,
-      Blockly.HSV_VALUE * 255);
-};
-
-/**
- * Checks old colour constants are not overwritten by the host application.
- * If a constant is overwritten, it prints a console warning directing the
- * developer to use the equivalent Msg constant.
- * @package
- */
-Blockly.checkBlockColourConstants = function() {
-  Blockly.checkBlockColourConstant_(
-      'LOGIC_HUE', ['Blocks', 'logic', 'HUE'], undefined);
-  Blockly.checkBlockColourConstant_(
-      'LOGIC_HUE', ['Constants', 'Logic', 'HUE'], 210);
-  Blockly.checkBlockColourConstant_(
-      'LOOPS_HUE', ['Blocks', 'loops', 'HUE'], undefined);
-  Blockly.checkBlockColourConstant_(
-      'LOOPS_HUE', ['Constants', 'Loops', 'HUE'], 120);
-  Blockly.checkBlockColourConstant_(
-      'MATH_HUE', ['Blocks', 'math', 'HUE'], undefined);
-  Blockly.checkBlockColourConstant_(
-      'MATH_HUE', ['Constants', 'Math', 'HUE'], 230);
-  Blockly.checkBlockColourConstant_(
-      'TEXTS_HUE', ['Blocks', 'texts', 'HUE'], undefined);
-  Blockly.checkBlockColourConstant_(
-      'TEXTS_HUE', ['Constants', 'Text', 'HUE'], 160);
-  Blockly.checkBlockColourConstant_(
-      'LISTS_HUE', ['Blocks', 'lists', 'HUE'], undefined);
-  Blockly.checkBlockColourConstant_(
-      'LISTS_HUE', ['Constants', 'Lists', 'HUE'], 260);
-  Blockly.checkBlockColourConstant_(
-      'COLOUR_HUE', ['Blocks', 'colour', 'HUE'], undefined);
-  Blockly.checkBlockColourConstant_(
-      'COLOUR_HUE', ['Constants', 'Colour', 'HUE'], 20);
-  Blockly.checkBlockColourConstant_(
-      'VARIABLES_HUE', ['Blocks', 'variables', 'HUE'], undefined);
-  Blockly.checkBlockColourConstant_(
-      'VARIABLES_HUE', ['Constants', 'Variables', 'HUE'], 330);
-  // Blockly.Blocks.variables_dynamic.HUE never existed.
-  Blockly.checkBlockColourConstant_(
-      'VARIABLES_DYNAMIC_HUE', ['Constants', 'VariablesDynamic', 'HUE'], 310);
-  Blockly.checkBlockColourConstant_(
-      'PROCEDURES_HUE', ['Blocks', 'procedures', 'HUE'], undefined);
-  // Blockly.Constants.Procedures.HUE never existed.
-};
-
-/**
- * Checks for a constant in the Blockly namespace, verifying it is undefined or
- * has the old/original value. Prints a warning if this is not true.
- * @param {string} msgName The Msg constant identifier.
- * @param {Array.<string>} blocklyNamePath The name parts of the tested
- *     constant.
- * @param {number|undefined} expectedValue The expected value of the constant.
- * @private
- */
-Blockly.checkBlockColourConstant_ = function(
-    msgName, blocklyNamePath, expectedValue) {
-  var namePath = 'Blockly';
-  var value = Blockly;
-  for (var i = 0; i < blocklyNamePath.length; ++i) {
-    namePath += '.' + blocklyNamePath[i];
-    if (value) {
-      value = value[blocklyNamePath[i]];
-    }
-  }
-
-  if (value && value !== expectedValue) {
-    var warningPattern = (expectedValue === undefined) ?
-        '%1 has been removed. Use Blockly.Msg["%2"].' :
-        '%1 is deprecated and unused. Override Blockly.Msg["%2"].';
-    var warning = warningPattern.replace('%1', namePath).replace('%2', msgName);
-    console.warn(warning);
-  }
-};
-
-/**
- * Set the parent container.  This is the container element that the WidgetDiv,
- * DropDownDiv, and Tooltip are rendered into the first time `Blockly.inject`
- * is called.
- * This method is a NOP if called after the first ``Blockly.inject``.
- * @param {!Element} container The container element.
- */
-Blockly.setParentContainer = function(container) {
-  Blockly.parentContainer = container;
-};
diff --git a/core/blockly.ts b/core/blockly.ts
new file mode 100644
index 00000000000..cee509480c2
--- /dev/null
+++ b/core/blockly.ts
@@ -0,0 +1,587 @@
+/**
+ * @license
+ * Copyright 2011 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_block_create.js';
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/workspace_events.js';
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_ui_base.js';
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_var_create.js';
+
+import {Block} from './block.js';
+import * as blockAnimations from './block_animations.js';
+import {BlockSvg} from './block_svg.js';
+import {BlocklyOptions} from './blockly_options.js';
+import {Blocks} from './blocks.js';
+import * as browserEvents from './browser_events.js';
+import * as bubbles from './bubbles.js';
+import * as bumpObjects from './bump_objects.js';
+import * as clipboard from './clipboard.js';
+import * as common from './common.js';
+import {ComponentManager} from './component_manager.js';
+import {config} from './config.js';
+import {Connection} from './connection.js';
+import {ConnectionChecker} from './connection_checker.js';
+import {ConnectionDB} from './connection_db.js';
+import {ConnectionType} from './connection_type.js';
+import * as ContextMenu from './contextmenu.js';
+import * as ContextMenuItems from './contextmenu_items.js';
+import {ContextMenuRegistry} from './contextmenu_registry.js';
+import * as comments from './comments.js';
+import * as Css from './css.js';
+import {DeleteArea} from './delete_area.js';
+import * as dialog from './dialog.js';
+import * as dragging from './dragging.js';
+import {DragTarget} from './drag_target.js';
+import * as dropDownDiv from './dropdowndiv.js';
+import * as Events from './events/events.js';
+import * as Extensions from './extensions.js';
+import {
+  Field,
+  FieldConfig,
+  FieldValidator,
+  UnattachedFieldError,
+} from './field.js';
+import {
+  FieldCheckbox,
+  FieldCheckboxConfig,
+  FieldCheckboxFromJsonConfig,
+  FieldCheckboxValidator,
+} from './field_checkbox.js';
+import {
+  FieldDropdown,
+  FieldDropdownConfig,
+  FieldDropdownFromJsonConfig,
+  FieldDropdownValidator,
+  MenuGenerator,
+  MenuGeneratorFunction,
+  MenuOption,
+} from './field_dropdown.js';
+import {
+  FieldImage,
+  FieldImageConfig,
+  FieldImageFromJsonConfig,
+} from './field_image.js';
+import {
+  FieldLabel,
+  FieldLabelConfig,
+  FieldLabelFromJsonConfig,
+} from './field_label.js';
+import {FieldLabelSerializable} from './field_label_serializable.js';
+import {
+  FieldNumber,
+  FieldNumberConfig,
+  FieldNumberFromJsonConfig,
+  FieldNumberValidator,
+} from './field_number.js';
+import * as fieldRegistry from './field_registry.js';
+import {
+  FieldTextInput,
+  FieldTextInputConfig,
+  FieldTextInputFromJsonConfig,
+  FieldTextInputValidator,
+} from './field_textinput.js';
+import {
+  FieldVariable,
+  FieldVariableConfig,
+  FieldVariableFromJsonConfig,
+  FieldVariableValidator,
+} from './field_variable.js';
+import {Flyout} from './flyout_base.js';
+import {FlyoutButton} from './flyout_button.js';
+import {HorizontalFlyout} from './flyout_horizontal.js';
+import {FlyoutMetricsManager} from './flyout_metrics_manager.js';
+import {VerticalFlyout} from './flyout_vertical.js';
+import {CodeGenerator} from './generator.js';
+import {Gesture} from './gesture.js';
+import {Grid} from './grid.js';
+import * as icons from './icons.js';
+import {inject} from './inject.js';
+import {Input} from './inputs/input.js';
+import * as inputs from './inputs.js';
+import {InsertionMarkerManager} from './insertion_marker_manager.js';
+import {InsertionMarkerPreviewer} from './insertion_marker_previewer.js';
+import {IASTNodeLocation} from './interfaces/i_ast_node_location.js';
+import {IASTNodeLocationSvg} from './interfaces/i_ast_node_location_svg.js';
+import {IASTNodeLocationWithBlock} from './interfaces/i_ast_node_location_with_block.js';
+import {IAutoHideable} from './interfaces/i_autohideable.js';
+import {IBoundedElement} from './interfaces/i_bounded_element.js';
+import {IBubble} from './interfaces/i_bubble.js';
+import {ICollapsibleToolboxItem} from './interfaces/i_collapsible_toolbox_item.js';
+import {IComponent} from './interfaces/i_component.js';
+import {IConnectionChecker} from './interfaces/i_connection_checker.js';
+import {IConnectionPreviewer} from './interfaces/i_connection_previewer.js';
+import {IContextMenu} from './interfaces/i_contextmenu.js';
+import {ICopyable, isCopyable, ICopyData} from './interfaces/i_copyable.js';
+import {IDeletable, isDeletable} from './interfaces/i_deletable.js';
+import {IDeleteArea} from './interfaces/i_delete_area.js';
+import {IDragTarget} from './interfaces/i_drag_target.js';
+import {IDragger} from './interfaces/i_dragger.js';
+import {
+  IDraggable,
+  isDraggable,
+  IDragStrategy,
+} from './interfaces/i_draggable.js';
+import {IFlyout} from './interfaces/i_flyout.js';
+import {IHasBubble, hasBubble} from './interfaces/i_has_bubble.js';
+import {IIcon, isIcon} from './interfaces/i_icon.js';
+import {IKeyboardAccessible} from './interfaces/i_keyboard_accessible.js';
+import {IMetricsManager} from './interfaces/i_metrics_manager.js';
+import {IMovable} from './interfaces/i_movable.js';
+import {IObservable, isObservable} from './interfaces/i_observable.js';
+import {IPaster, isPaster} from './interfaces/i_paster.js';
+import {IPositionable} from './interfaces/i_positionable.js';
+import {IRegistrable} from './interfaces/i_registrable.js';
+import {
+  IRenderedElement,
+  isRenderedElement,
+} from './interfaces/i_rendered_element.js';
+import {ISelectable, isSelectable} from './interfaces/i_selectable.js';
+import {ISelectableToolboxItem} from './interfaces/i_selectable_toolbox_item.js';
+import {ISerializable, isSerializable} from './interfaces/i_serializable.js';
+import {IStyleable} from './interfaces/i_styleable.js';
+import {IToolbox} from './interfaces/i_toolbox.js';
+import {IToolboxItem} from './interfaces/i_toolbox_item.js';
+import {
+  IVariableBackedParameterModel,
+  isVariableBackedParameterModel,
+} from './interfaces/i_variable_backed_parameter_model.js';
+import * as internalConstants from './internal_constants.js';
+import {ASTNode} from './keyboard_nav/ast_node.js';
+import {BasicCursor} from './keyboard_nav/basic_cursor.js';
+import {Cursor} from './keyboard_nav/cursor.js';
+import {Marker} from './keyboard_nav/marker.js';
+import {TabNavigateCursor} from './keyboard_nav/tab_navigate_cursor.js';
+import {MarkerManager} from './marker_manager.js';
+import type {LayerManager} from './layer_manager.js';
+import {Menu} from './menu.js';
+import {MenuItem} from './menuitem.js';
+import {MetricsManager} from './metrics_manager.js';
+import {Msg, setLocale} from './msg.js';
+import {MiniWorkspaceBubble} from './bubbles/mini_workspace_bubble.js';
+import {Names} from './names.js';
+import {Options} from './options.js';
+import * as uiPosition from './positionable_helpers.js';
+import * as Procedures from './procedures.js';
+import * as registry from './registry.js';
+import {RenderedConnection} from './rendered_connection.js';
+import * as renderManagement from './render_management.js';
+import * as blockRendering from './renderers/common/block_rendering.js';
+import * as constants from './constants.js';
+import * as geras from './renderers/geras/geras.js';
+import * as thrasos from './renderers/thrasos/thrasos.js';
+import * as zelos from './renderers/zelos/zelos.js';
+import {Scrollbar} from './scrollbar.js';
+import {ScrollbarPair} from './scrollbar_pair.js';
+import * as serialization from './serialization.js';
+import * as ShortcutItems from './shortcut_items.js';
+import {ShortcutRegistry} from './shortcut_registry.js';
+import {Theme} from './theme.js';
+import * as Themes from './theme/themes.js';
+import {ThemeManager} from './theme_manager.js';
+import {ToolboxCategory} from './toolbox/category.js';
+import {CollapsibleToolboxCategory} from './toolbox/collapsible_category.js';
+import {ToolboxSeparator} from './toolbox/separator.js';
+import {Toolbox} from './toolbox/toolbox.js';
+import {ToolboxItem} from './toolbox/toolbox_item.js';
+import * as Tooltip from './tooltip.js';
+import * as Touch from './touch.js';
+import {Trashcan} from './trashcan.js';
+import * as utils from './utils.js';
+import * as toolbox from './utils/toolbox.js';
+import {VariableMap} from './variable_map.js';
+import {VariableModel} from './variable_model.js';
+import * as Variables from './variables.js';
+import * as VariablesDynamic from './variables_dynamic.js';
+import * as WidgetDiv from './widgetdiv.js';
+import {Workspace} from './workspace.js';
+import {WorkspaceAudio} from './workspace_audio.js';
+import {WorkspaceDragger} from './workspace_dragger.js';
+import {WorkspaceSvg} from './workspace_svg.js';
+import * as Xml from './xml.js';
+import {ZoomControls} from './zoom_controls.js';
+
+/**
+ * Blockly core version.
+ * This constant is overridden by the build script (npm run build) to the value
+ * of the version in package.json. This is done by the Closure Compiler in the
+ * buildCompressed gulp task.
+ * For local builds, you can pass --define='Blockly.VERSION=X.Y.Z' to the
+ * compiler to override this constant.
+ *
+ * @define {string}
+ */
+export const VERSION = 'uncompiled';
+
+/*
+ * Top-level functions and properties on the Blockly namespace.
+ * These are used only in external code. Do not reference these
+ * from internal code as importing from this file can cause circular
+ * dependencies. Do not add new functions here. There is probably a better
+ * namespace to put new functions on.
+ */
+
+/*
+ * Aliases for constants used for connection and input types.
+ */
+
+/**
+ * @see ConnectionType.INPUT_VALUE
+ */
+export const INPUT_VALUE = ConnectionType.INPUT_VALUE;
+
+/**
+ * @see ConnectionType.OUTPUT_VALUE
+ */
+export const OUTPUT_VALUE = ConnectionType.OUTPUT_VALUE;
+
+/**
+ * @see ConnectionType.NEXT_STATEMENT
+ */
+export const NEXT_STATEMENT = ConnectionType.NEXT_STATEMENT;
+
+/**
+ * @see ConnectionType.PREVIOUS_STATEMENT
+ */
+export const PREVIOUS_STATEMENT = ConnectionType.PREVIOUS_STATEMENT;
+
+/** Aliases for toolbox positions. */
+
+/**
+ * @see toolbox.Position.TOP
+ */
+export const TOOLBOX_AT_TOP = toolbox.Position.TOP;
+
+/**
+ * @see toolbox.Position.BOTTOM
+ */
+export const TOOLBOX_AT_BOTTOM = toolbox.Position.BOTTOM;
+
+/**
+ * @see toolbox.Position.LEFT
+ */
+export const TOOLBOX_AT_LEFT = toolbox.Position.LEFT;
+
+/**
+ * @see toolbox.Position.RIGHT
+ */
+export const TOOLBOX_AT_RIGHT = toolbox.Position.RIGHT;
+
+/*
+ * Other aliased functions.
+ */
+
+/**
+ * Size the SVG image to completely fill its container. Call this when the view
+ * actually changes sizes (e.g. on a window resize/device orientation change).
+ * See workspace.resizeContents to resize the workspace when the contents
+ * change (e.g. when a block is added or removed).
+ * Record the height/width of the SVG image.
+ *
+ * @param workspace Any workspace in the SVG.
+ * @see Blockly.common.svgResize
+ */
+export const svgResize = common.svgResize;
+
+/**
+ * Close tooltips, context menus, dropdown selections, etc.
+ *
+ * @param opt_onlyClosePopups Whether only popups should be closed.
+ * @see Blockly.WorkspaceSvg.hideChaff
+ */
+export function hideChaff(opt_onlyClosePopups?: boolean) {
+  (common.getMainWorkspace() as WorkspaceSvg).hideChaff(opt_onlyClosePopups);
+}
+
+/**
+ * Returns the main workspace.  Returns the last used main workspace (based on
+ * focus).  Try not to use this function, particularly if there are multiple
+ * Blockly instances on a page.
+ *
+ * @see Blockly.common.getMainWorkspace
+ */
+export const getMainWorkspace = common.getMainWorkspace;
+
+/**
+ * Returns the currently selected copyable object.
+ */
+export const getSelected = common.getSelected;
+
+/**
+ * Define blocks from an array of JSON block definitions, as might be generated
+ * by the Blockly Developer Tools.
+ *
+ * @param jsonArray An array of JSON block definitions.
+ * @see Blockly.common.defineBlocksWithJsonArray
+ */
+export const defineBlocksWithJsonArray = common.defineBlocksWithJsonArray;
+
+/**
+ * Set the parent container.  This is the container element that the WidgetDiv,
+ * dropDownDiv, and Tooltip are rendered into the first time `Blockly.inject`
+ * is called.
+ * This method is a NOP if called after the first `Blockly.inject`.
+ *
+ * @param container The container element.
+ * @see Blockly.common.setParentContainer
+ */
+export const setParentContainer = common.setParentContainer;
+
+// Aliases to allow external code to access these values for legacy reasons.
+export const COLLAPSE_CHARS = internalConstants.COLLAPSE_CHARS;
+export const OPPOSITE_TYPE = internalConstants.OPPOSITE_TYPE;
+export const RENAME_VARIABLE_ID = internalConstants.RENAME_VARIABLE_ID;
+export const DELETE_VARIABLE_ID = internalConstants.DELETE_VARIABLE_ID;
+export const COLLAPSED_INPUT_NAME = constants.COLLAPSED_INPUT_NAME;
+export const COLLAPSED_FIELD_NAME = constants.COLLAPSED_FIELD_NAME;
+
+/**
+ * String for use in the "custom" attribute of a category in toolbox XML.
+ * This string indicates that the category should be dynamically populated with
+ * variable blocks.
+ */
+export const VARIABLE_CATEGORY_NAME: string = Variables.CATEGORY_NAME;
+
+/**
+ * String for use in the "custom" attribute of a category in toolbox XML.
+ * This string indicates that the category should be dynamically populated with
+ * variable blocks.
+ */
+export const VARIABLE_DYNAMIC_CATEGORY_NAME: string =
+  VariablesDynamic.CATEGORY_NAME;
+/**
+ * String for use in the "custom" attribute of a category in toolbox XML.
+ * This string indicates that the category should be dynamically populated with
+ * procedure blocks.
+ */
+export const PROCEDURE_CATEGORY_NAME: string = Procedures.CATEGORY_NAME;
+
+// Context for why we need to monkey-patch in these functions (internal):
+//   https://docs.google.com/document/d/1MbO0LEA-pAyx1ErGLJnyUqTLrcYTo-5zga9qplnxeXo/edit?usp=sharing&resourcekey=0-5h_32-i-dHwHjf_9KYEVKg
+
+// clang-format off
+Workspace.prototype.newBlock = function (
+  prototypeName: string,
+  opt_id?: string,
+): Block {
+  return new Block(this, prototypeName, opt_id);
+};
+
+WorkspaceSvg.prototype.newBlock = function (
+  prototypeName: string,
+  opt_id?: string,
+): BlockSvg {
+  return new BlockSvg(this, prototypeName, opt_id);
+};
+
+Workspace.prototype.newComment = function (
+  id?: string,
+): comments.WorkspaceComment {
+  return new comments.WorkspaceComment(this, id);
+};
+
+WorkspaceSvg.prototype.newComment = function (
+  id?: string,
+): comments.RenderedWorkspaceComment {
+  return new comments.RenderedWorkspaceComment(this, id);
+};
+
+WorkspaceSvg.newTrashcan = function (workspace: WorkspaceSvg): Trashcan {
+  return new Trashcan(workspace);
+};
+
+MiniWorkspaceBubble.prototype.newWorkspaceSvg = function (
+  options: Options,
+): WorkspaceSvg {
+  return new WorkspaceSvg(options);
+};
+
+Names.prototype.populateProcedures = function (
+  this: Names,
+  workspace: Workspace,
+) {
+  const procedures = Procedures.allProcedures(workspace);
+  // Flatten the return vs no-return procedure lists.
+  const flattenedProcedures = procedures[0].concat(procedures[1]);
+  for (let i = 0; i < flattenedProcedures.length; i++) {
+    this.getName(flattenedProcedures[i][0], Names.NameType.PROCEDURE);
+  }
+};
+// clang-format on
+
+// Re-export submodules that no longer declareLegacyNamespace.
+export {browserEvents};
+export {ContextMenu};
+export {ContextMenuItems};
+export {Css};
+export {Events};
+export {Extensions};
+export {Procedures};
+export {Procedures as procedures};
+export {ShortcutItems};
+export {Themes};
+export {Tooltip};
+export {Touch};
+export {Variables};
+export {VariablesDynamic};
+export {WidgetDiv};
+export {Xml};
+export {blockAnimations};
+export {blockRendering};
+export {bumpObjects};
+export {clipboard};
+export {common};
+export {constants};
+export {dialog};
+export {fieldRegistry};
+export {geras};
+export {registry};
+export {thrasos};
+export {uiPosition};
+export {utils};
+export {zelos};
+export {ASTNode};
+export {BasicCursor};
+export {Block};
+export {BlocklyOptions};
+export {BlockSvg};
+export {Blocks};
+export {bubbles};
+export {CollapsibleToolboxCategory};
+export {ComponentManager};
+export {Connection};
+export {ConnectionType};
+export {ConnectionChecker};
+export {ConnectionDB};
+export {ContextMenuRegistry};
+export {comments};
+export {Cursor};
+export {DeleteArea};
+export {dragging};
+export {DragTarget};
+export const DropDownDiv = dropDownDiv;
+export {Field, FieldConfig, FieldValidator, UnattachedFieldError};
+export {
+  FieldCheckbox,
+  FieldCheckboxConfig,
+  FieldCheckboxFromJsonConfig,
+  FieldCheckboxValidator,
+};
+export {
+  FieldDropdown,
+  FieldDropdownConfig,
+  FieldDropdownFromJsonConfig,
+  FieldDropdownValidator,
+  MenuGenerator,
+  MenuGeneratorFunction,
+  MenuOption,
+};
+export {FieldImage, FieldImageConfig, FieldImageFromJsonConfig};
+export {FieldLabel, FieldLabelConfig, FieldLabelFromJsonConfig};
+export {FieldLabelSerializable};
+export {
+  FieldNumber,
+  FieldNumberConfig,
+  FieldNumberFromJsonConfig,
+  FieldNumberValidator,
+};
+export {
+  FieldTextInput,
+  FieldTextInputConfig,
+  FieldTextInputFromJsonConfig,
+  FieldTextInputValidator,
+};
+export {
+  FieldVariable,
+  FieldVariableConfig,
+  FieldVariableFromJsonConfig,
+  FieldVariableValidator,
+};
+export {Flyout};
+export {FlyoutButton};
+export {FlyoutMetricsManager};
+export {CodeGenerator};
+export {CodeGenerator as Generator}; // Deprecated name, October 2022.
+export {Gesture};
+export {Grid};
+export {HorizontalFlyout};
+export {IASTNodeLocation};
+export {IASTNodeLocationSvg};
+export {IASTNodeLocationWithBlock};
+export {IAutoHideable};
+export {IBoundedElement};
+export {IBubble};
+export {ICollapsibleToolboxItem};
+export {IComponent};
+export {IConnectionChecker};
+export {IConnectionPreviewer};
+export {IContextMenu};
+export {icons};
+export {ICopyable, isCopyable, ICopyData};
+export {IDeletable, isDeletable};
+export {IDeleteArea};
+export {IDragTarget};
+export {IDragger};
+export {IDraggable, isDraggable, IDragStrategy};
+export {IFlyout};
+export {IHasBubble, hasBubble};
+export {IIcon, isIcon};
+export {IKeyboardAccessible};
+export {IMetricsManager};
+export {IMovable};
+export {Input};
+export {inputs};
+export {InsertionMarkerManager};
+export {InsertionMarkerPreviewer};
+export {IObservable, isObservable};
+export {IPaster, isPaster};
+export {IPositionable};
+export {IRegistrable};
+export {IRenderedElement, isRenderedElement};
+export {ISelectable, isSelectable};
+export {ISelectableToolboxItem};
+export {ISerializable, isSerializable};
+export {IStyleable};
+export {IToolbox};
+export {IToolboxItem};
+export {IVariableBackedParameterModel, isVariableBackedParameterModel};
+export {Marker};
+export {MarkerManager};
+export {LayerManager};
+export {Menu};
+export {MenuItem};
+export {MetricsManager};
+export {Msg, setLocale};
+export {Names};
+export {Options};
+export {RenderedConnection};
+export {renderManagement};
+export {Scrollbar};
+export {ScrollbarPair};
+export {ShortcutRegistry};
+export {TabNavigateCursor};
+export {Theme};
+export {ThemeManager};
+export {Toolbox};
+export {ToolboxCategory};
+export {ToolboxItem};
+export {ToolboxSeparator};
+export {Trashcan};
+export {VariableMap};
+export {VariableModel};
+export {VerticalFlyout};
+export {Workspace};
+export {WorkspaceAudio};
+export {WorkspaceDragger};
+export {WorkspaceSvg};
+export {ZoomControls};
+export {config};
+export {inject};
+export {serialization};
diff --git a/core/blockly_options.ts b/core/blockly_options.ts
new file mode 100644
index 00000000000..e3ed0b91296
--- /dev/null
+++ b/core/blockly_options.ts
@@ -0,0 +1,71 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.BlocklyOptions
+
+import type {Theme, ITheme} from './theme.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+import type {ToolboxDefinition} from './utils/toolbox.js';
+
+/**
+ * Blockly options.
+ */
+export interface BlocklyOptions {
+  collapse?: boolean;
+  comments?: boolean;
+  css?: boolean;
+  disable?: boolean;
+  grid?: GridOptions;
+  horizontalLayout?: boolean;
+  maxBlocks?: number;
+  maxInstances?: {[blockType: string]: number};
+  media?: string;
+  modalInputs?: boolean;
+  move?: MoveOptions;
+  oneBasedIndex?: boolean;
+  readOnly?: boolean;
+  renderer?: string;
+  rendererOverrides?: {[rendererConstant: string]: any};
+  rtl?: boolean;
+  scrollbars?: ScrollbarOptions | boolean;
+  sounds?: boolean;
+  theme?: Theme | string | ITheme;
+  toolbox?: string | ToolboxDefinition | Element;
+  toolboxPosition?: string;
+  trashcan?: boolean;
+  maxTrashcanContents?: number;
+  plugins?: {[key: string]: (new (...p1: any[]) => any) | string};
+  zoom?: ZoomOptions;
+  parentWorkspace?: WorkspaceSvg;
+}
+
+export interface GridOptions {
+  colour?: string;
+  length?: number;
+  snap?: boolean;
+  spacing?: number;
+}
+
+export interface MoveOptions {
+  drag?: boolean;
+  scrollbars?: boolean | ScrollbarOptions;
+  wheel?: boolean;
+}
+
+export interface ScrollbarOptions {
+  horizontal?: boolean;
+  vertical?: boolean;
+}
+
+export interface ZoomOptions {
+  controls?: boolean;
+  maxScale?: number;
+  minScale?: number;
+  pinch?: boolean;
+  scaleSpeed?: number;
+  startScale?: number;
+  wheel?: boolean;
+}
diff --git a/core/blocks.js b/core/blocks.js
deleted file mode 100644
index c39f81c0cc7..00000000000
--- a/core/blocks.js
+++ /dev/null
@@ -1,23 +0,0 @@
-/**
- * @license
- * Copyright 2013 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview A mapping of block type names to block prototype objects.
- * @author spertus@google.com (Ellen Spertus)
- */
-'use strict';
-
-/**
- * A mapping of block type names to block prototype objects.
- * @name Blockly.Blocks
- */
-goog.provide('Blockly.Blocks');
-
-/**
- * A mapping of block type names to block prototype objects.
- * @type {!Object.<string,Object>}
- */
-Blockly.Blocks = Object.create(null);
diff --git a/core/blocks.ts b/core/blocks.ts
new file mode 100644
index 00000000000..33bac110b04
--- /dev/null
+++ b/core/blocks.ts
@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright 2013 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blocks
+
+/**
+ * A block definition.  For now this very loose, but it can potentially
+ * be refined e.g. by replacing this typedef with a class definition.
+ */
+export type BlockDefinition = AnyDuringMigration;
+
+/**
+ * A mapping of block type names to block prototype objects.
+ */
+export const Blocks: {[key: string]: BlockDefinition} = Object.create(null);
diff --git a/core/browser_events.ts b/core/browser_events.ts
new file mode 100644
index 00000000000..54fec307ec4
--- /dev/null
+++ b/core/browser_events.ts
@@ -0,0 +1,244 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.browserEvents
+
+import * as Touch from './touch.js';
+import * as userAgent from './utils/useragent.js';
+
+/**
+ * Blockly opaque event data used to unbind events when using
+ * `bind` and `conditionalBind`.
+ */
+export type Data = [EventTarget, string, (e: Event) => void][];
+
+/**
+ * The multiplier for scroll wheel deltas using the line delta mode.
+ * See https://developer.mozilla.org/en-US/docs/Web/API/WheelEvent/deltaMode
+ * for more information on deltaMode.
+ */
+const LINE_MODE_MULTIPLIER = 40;
+
+/**
+ * The multiplier for scroll wheel deltas using the page delta mode.
+ * See https://developer.mozilla.org/en-US/docs/Web/API/WheelEvent/deltaMode
+ * for more information on deltaMode.
+ */
+const PAGE_MODE_MULTIPLIER = 125;
+
+/**
+ * Bind an event handler that can be ignored if it is not part of the active
+ * touch stream.
+ * Use this for events that either start or continue a multi-part gesture (e.g.
+ * mousedown or mousemove, which may be part of a drag or click).
+ *
+ * @param node Node upon which to listen.
+ * @param name Event name to listen to (e.g. 'mousedown').
+ * @param thisObject The value of 'this' in the function.
+ * @param func Function to call when event is triggered.
+ * @param opt_noCaptureIdentifier True if triggering on this event should not
+ *     block execution of other event handlers on this touch or other
+ *     simultaneous touches.  False by default.
+ * @returns Opaque data that can be passed to unbindEvent_.
+ */
+export function conditionalBind(
+  node: EventTarget,
+  name: string,
+  thisObject: Object | null,
+  func: Function,
+  opt_noCaptureIdentifier?: boolean,
+): Data {
+  /**
+   *
+   * @param e
+   */
+  function wrapFunc(e: Event) {
+    const captureIdentifier = !opt_noCaptureIdentifier;
+
+    if (!(captureIdentifier && !Touch.shouldHandleEvent(e))) {
+      if (thisObject) {
+        func.call(thisObject, e);
+      } else {
+        func(e);
+      }
+    }
+  }
+
+  const bindData: Data = [];
+  if (name in Touch.TOUCH_MAP) {
+    for (let i = 0; i < Touch.TOUCH_MAP[name].length; i++) {
+      const type = Touch.TOUCH_MAP[name][i];
+      node.addEventListener(type, wrapFunc, false);
+      bindData.push([node, type, wrapFunc]);
+    }
+  } else {
+    node.addEventListener(name, wrapFunc, false);
+    bindData.push([node, name, wrapFunc]);
+  }
+  return bindData;
+}
+
+/**
+ * Bind an event handler that should be called regardless of whether it is part
+ * of the active touch stream.
+ * Use this for events that are not part of a multi-part gesture (e.g.
+ * mouseover for tooltips).
+ *
+ * @param node Node upon which to listen.
+ * @param name Event name to listen to (e.g. 'mousedown').
+ * @param thisObject The value of 'this' in the function.
+ * @param func Function to call when event is triggered.
+ * @returns Opaque data that can be passed to unbindEvent_.
+ */
+export function bind(
+  node: EventTarget,
+  name: string,
+  thisObject: Object | null,
+  func: Function,
+): Data {
+  /**
+   *
+   * @param e
+   */
+  function wrapFunc(e: Event) {
+    if (thisObject) {
+      func.call(thisObject, e);
+    } else {
+      func(e);
+    }
+  }
+
+  const bindData: Data = [];
+  if (name in Touch.TOUCH_MAP) {
+    for (let i = 0; i < Touch.TOUCH_MAP[name].length; i++) {
+      const type = Touch.TOUCH_MAP[name][i];
+      node.addEventListener(type, wrapFunc, false);
+      bindData.push([node, type, wrapFunc]);
+    }
+  } else {
+    node.addEventListener(name, wrapFunc, false);
+    bindData.push([node, name, wrapFunc]);
+  }
+  return bindData;
+}
+
+/**
+ * Unbind one or more events event from a function call.
+ *
+ * @param bindData Opaque data from bindEvent_.
+ *     This list is emptied during the course of calling this function.
+ * @returns The function call.
+ */
+export function unbind(bindData: Data): (e: Event) => void {
+  // Accessing an element of the last property of the array is unsafe if the
+  // bindData is an empty array. But that should never happen because developers
+  // should only pass Data from bind or conditionalBind.
+  const callback = bindData[bindData.length - 1][2];
+  while (bindData.length) {
+    const [node, name, func] = bindData.pop()!;
+    node.removeEventListener(name, func, false);
+  }
+  return callback;
+}
+
+/**
+ * Returns true if this event is targeting a text input widget?
+ *
+ * @param e An event.
+ * @returns True if text input.
+ */
+export function isTargetInput(e: Event): boolean {
+  if (e.target instanceof HTMLElement) {
+    if (
+      e.target.isContentEditable ||
+      e.target.getAttribute('data-is-text-input') === 'true'
+    ) {
+      return true;
+    }
+
+    if (e.target instanceof HTMLInputElement) {
+      const target = e.target;
+      return (
+        target.type === 'text' ||
+        target.type === 'number' ||
+        target.type === 'email' ||
+        target.type === 'password' ||
+        target.type === 'search' ||
+        target.type === 'tel' ||
+        target.type === 'url'
+      );
+    }
+
+    if (e.target instanceof HTMLTextAreaElement) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+/**
+ * Returns true this event is a right-click.
+ *
+ * @param e Mouse event.
+ * @returns True if right-click.
+ */
+export function isRightButton(e: MouseEvent): boolean {
+  if (e.ctrlKey && userAgent.MAC) {
+    // Control-clicking on Mac OS X is treated as a right-click.
+    // WebKit on Mac OS X fails to change button to 2 (but Gecko does).
+    return true;
+  }
+  return e.button === 2;
+}
+
+/**
+ * Returns the converted coordinates of the given mouse event.
+ * The origin (0,0) is the top-left corner of the Blockly SVG.
+ *
+ * @param e Mouse event.
+ * @param svg SVG element.
+ * @param matrix Inverted screen CTM to use.
+ * @returns Object with .x and .y properties.
+ */
+export function mouseToSvg(
+  e: MouseEvent,
+  svg: SVGSVGElement,
+  matrix: SVGMatrix | null,
+): SVGPoint {
+  const svgPoint = svg.createSVGPoint();
+  svgPoint.x = e.clientX;
+  svgPoint.y = e.clientY;
+
+  if (!matrix) {
+    matrix = svg.getScreenCTM()!.inverse();
+  }
+  return svgPoint.matrixTransform(matrix);
+}
+
+/**
+ * Returns the scroll delta of a mouse event in pixel units.
+ *
+ * @param e Mouse event.
+ * @returns Scroll delta object with .x and .y properties.
+ */
+export function getScrollDeltaPixels(e: WheelEvent): {x: number; y: number} {
+  switch (e.deltaMode) {
+    case 0x00: // Pixel mode.
+    default:
+      return {x: e.deltaX, y: e.deltaY};
+    case 0x01: // Line mode.
+      return {
+        x: e.deltaX * LINE_MODE_MULTIPLIER,
+        y: e.deltaY * LINE_MODE_MULTIPLIER,
+      };
+    case 0x02: // Page mode.
+      return {
+        x: e.deltaX * PAGE_MODE_MULTIPLIER,
+        y: e.deltaY * PAGE_MODE_MULTIPLIER,
+      };
+  }
+}
diff --git a/core/bubble.js b/core/bubble.js
deleted file mode 100644
index 4fcda64e76e..00000000000
--- a/core/bubble.js
+++ /dev/null
@@ -1,880 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object representing a UI bubble.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Bubble');
-
-goog.require('Blockly.Scrollbar');
-goog.require('Blockly.Touch');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.math');
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.utils.userAgent');
-goog.require('Blockly.Workspace');
-
-goog.requireType('Blockly.IBubble');
-goog.requireType('Blockly.utils.Metrics');
-
-
-/**
- * Class for UI bubble.
- * @param {!Blockly.WorkspaceSvg} workspace The workspace on which to draw the
- *     bubble.
- * @param {!Element} content SVG content for the bubble.
- * @param {Element} shape SVG element to avoid eclipsing.
- * @param {!Blockly.utils.Coordinate} anchorXY Absolute position of bubble's
- *     anchor point.
- * @param {?number} bubbleWidth Width of bubble, or null if not resizable.
- * @param {?number} bubbleHeight Height of bubble, or null if not resizable.
- * @implements {Blockly.IBubble}
- * @constructor
- */
-Blockly.Bubble = function(
-    workspace, content, shape, anchorXY, bubbleWidth, bubbleHeight) {
-  this.workspace_ = workspace;
-  this.content_ = content;
-  this.shape_ = shape;
-
-  /**
-   * Method to call on resize of bubble.
-   * @type {?function()}
-   * @private
-   */
-  this.resizeCallback_ = null;
-
-  /**
-   * Method to call on move of bubble.
-   * @type {?function()}
-   * @private
-   */
-  this.moveCallback_ = null;
-
-  /**
-   * Mouse down on bubbleBack_ event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onMouseDownBubbleWrapper_ = null;
-
-  /**
-   * Mouse down on resizeGroup_ event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onMouseDownResizeWrapper_ = null;
-
-  /**
-   * Describes whether this bubble has been disposed of (nodes and event
-   * listeners removed from the page) or not.
-   * @type {boolean}
-   * @package
-   */
-  this.disposed = false;
-
-  var angle = Blockly.Bubble.ARROW_ANGLE;
-  if (this.workspace_.RTL) {
-    angle = -angle;
-  }
-  this.arrow_radians_ = Blockly.utils.math.toRadians(angle);
-
-  var canvas = workspace.getBubbleCanvas();
-  canvas.appendChild(this.createDom_(content, !!(bubbleWidth && bubbleHeight)));
-
-  this.setAnchorLocation(anchorXY);
-  if (!bubbleWidth || !bubbleHeight) {
-    var bBox = /** @type {SVGLocatable} */ (this.content_).getBBox();
-    bubbleWidth = bBox.width + 2 * Blockly.Bubble.BORDER_WIDTH;
-    bubbleHeight = bBox.height + 2 * Blockly.Bubble.BORDER_WIDTH;
-  }
-  this.setBubbleSize(bubbleWidth, bubbleHeight);
-
-  // Render the bubble.
-  this.positionBubble_();
-  this.renderArrow_();
-  this.rendered_ = true;
-};
-
-/**
- * Width of the border around the bubble.
- */
-Blockly.Bubble.BORDER_WIDTH = 6;
-
-/**
- * Determines the thickness of the base of the arrow in relation to the size
- * of the bubble.  Higher numbers result in thinner arrows.
- */
-Blockly.Bubble.ARROW_THICKNESS = 5;
-
-/**
- * The number of degrees that the arrow bends counter-clockwise.
- */
-Blockly.Bubble.ARROW_ANGLE = 20;
-
-/**
- * The sharpness of the arrow's bend.  Higher numbers result in smoother arrows.
- */
-Blockly.Bubble.ARROW_BEND = 4;
-
-/**
- * Distance between arrow point and anchor point.
- */
-Blockly.Bubble.ANCHOR_RADIUS = 8;
-
-/**
- * Mouse up event data.
- * @type {?Blockly.EventData}
- * @private
- */
-Blockly.Bubble.onMouseUpWrapper_ = null;
-
-/**
- * Mouse move event data.
- * @type {?Blockly.EventData}
- * @private
- */
-Blockly.Bubble.onMouseMoveWrapper_ = null;
-
-/**
- * Stop binding to the global mouseup and mousemove events.
- * @private
- */
-Blockly.Bubble.unbindDragEvents_ = function() {
-  if (Blockly.Bubble.onMouseUpWrapper_) {
-    Blockly.unbindEvent_(Blockly.Bubble.onMouseUpWrapper_);
-    Blockly.Bubble.onMouseUpWrapper_ = null;
-  }
-  if (Blockly.Bubble.onMouseMoveWrapper_) {
-    Blockly.unbindEvent_(Blockly.Bubble.onMouseMoveWrapper_);
-    Blockly.Bubble.onMouseMoveWrapper_ = null;
-  }
-};
-
-/**
- * Handle a mouse-up event while dragging a bubble's border or resize handle.
- * @param {!Event} _e Mouse up event.
- * @private
- */
-Blockly.Bubble.bubbleMouseUp_ = function(_e) {
-  Blockly.Touch.clearTouchIdentifier();
-  Blockly.Bubble.unbindDragEvents_();
-};
-
-/**
- * Flag to stop incremental rendering during construction.
- * @private
- */
-Blockly.Bubble.prototype.rendered_ = false;
-
-/**
- * Absolute coordinate of anchor point, in workspace coordinates.
- * @type {Blockly.utils.Coordinate}
- * @private
- */
-Blockly.Bubble.prototype.anchorXY_ = null;
-
-/**
- * Relative X coordinate of bubble with respect to the anchor's centre,
- * in workspace units.
- * In RTL mode the initial value is negated.
- * @private
- */
-Blockly.Bubble.prototype.relativeLeft_ = 0;
-
-/**
- * Relative Y coordinate of bubble with respect to the anchor's centre, in
- * workspace units.
- * @private
- */
-Blockly.Bubble.prototype.relativeTop_ = 0;
-
-/**
- * Width of bubble, in workspace units.
- * @private
- */
-Blockly.Bubble.prototype.width_ = 0;
-
-/**
- * Height of bubble, in workspace units.
- * @private
- */
-Blockly.Bubble.prototype.height_ = 0;
-
-/**
- * Automatically position and reposition the bubble.
- * @private
- */
-Blockly.Bubble.prototype.autoLayout_ = true;
-
-/**
- * Create the bubble's DOM.
- * @param {!Element} content SVG content for the bubble.
- * @param {boolean} hasResize Add diagonal resize gripper if true.
- * @return {!SVGElement} The bubble's SVG group.
- * @private
- */
-Blockly.Bubble.prototype.createDom_ = function(content, hasResize) {
-  /* Create the bubble.  Here's the markup that will be generated:
-  <g>
-    <g filter="url(#blocklyEmbossFilter837493)">
-      <path d="... Z" />
-      <rect class="blocklyDraggable" rx="8" ry="8" width="180" height="180"/>
-    </g>
-    <g transform="translate(165, 165)" class="blocklyResizeSE">
-      <polygon points="0,15 15,15 15,0"/>
-      <line class="blocklyResizeLine" x1="5" y1="14" x2="14" y2="5"/>
-      <line class="blocklyResizeLine" x1="10" y1="14" x2="14" y2="10"/>
-    </g>
-    [...content goes here...]
-  </g>
-  */
-  this.bubbleGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G, {}, null);
-  var filter = {
-    'filter': 'url(#' +
-        this.workspace_.getRenderer().getConstants().embossFilterId + ')'
-  };
-  if (Blockly.utils.userAgent.JAVA_FX) {
-    // Multiple reports that JavaFX can't handle filters.
-    // https://github.com/google/blockly/issues/99
-    filter = {};
-  }
-  var bubbleEmboss = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G, filter, this.bubbleGroup_);
-  this.bubbleArrow_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH, {}, bubbleEmboss);
-  this.bubbleBack_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT, {
-        'class': 'blocklyDraggable',
-        'x': 0,
-        'y': 0,
-        'rx': Blockly.Bubble.BORDER_WIDTH,
-        'ry': Blockly.Bubble.BORDER_WIDTH
-      },
-      bubbleEmboss);
-  if (hasResize) {
-    this.resizeGroup_ = Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.G,
-        {'class': this.workspace_.RTL ? 'blocklyResizeSW' : 'blocklyResizeSE'},
-        this.bubbleGroup_);
-    var resizeSize = 2 * Blockly.Bubble.BORDER_WIDTH;
-    Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.POLYGON,
-        {'points': '0,x x,x x,0'.replace(/x/g, resizeSize.toString())},
-        this.resizeGroup_);
-    Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.LINE, {
-          'class': 'blocklyResizeLine',
-          'x1': resizeSize / 3,
-          'y1': resizeSize - 1,
-          'x2': resizeSize - 1,
-          'y2': resizeSize / 3
-        },
-        this.resizeGroup_);
-    Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.LINE, {
-          'class': 'blocklyResizeLine',
-          'x1': resizeSize * 2 / 3,
-          'y1': resizeSize - 1,
-          'x2': resizeSize - 1,
-          'y2': resizeSize * 2 / 3
-        },
-        this.resizeGroup_);
-  } else {
-    this.resizeGroup_ = null;
-  }
-
-  if (!this.workspace_.options.readOnly) {
-    this.onMouseDownBubbleWrapper_ = Blockly.bindEventWithChecks_(
-        this.bubbleBack_, 'mousedown', this, this.bubbleMouseDown_);
-    if (this.resizeGroup_) {
-      this.onMouseDownResizeWrapper_ = Blockly.bindEventWithChecks_(
-          this.resizeGroup_, 'mousedown', this, this.resizeMouseDown_);
-    }
-  }
-  this.bubbleGroup_.appendChild(content);
-  return this.bubbleGroup_;
-};
-
-/**
- * Return the root node of the bubble's SVG group.
- * @return {!SVGElement} The root SVG node of the bubble's group.
- */
-Blockly.Bubble.prototype.getSvgRoot = function() {
-  return this.bubbleGroup_;
-};
-
-/**
- * Expose the block's ID on the bubble's top-level SVG group.
- * @param {string} id ID of block.
- */
-Blockly.Bubble.prototype.setSvgId = function(id) {
-  if (this.bubbleGroup_.dataset) {
-    this.bubbleGroup_.dataset['blockId'] = id;
-  }
-};
-
-/**
- * Handle a mouse-down on bubble's border.
- * @param {!Event} e Mouse down event.
- * @private
- */
-Blockly.Bubble.prototype.bubbleMouseDown_ = function(e) {
-  var gesture = this.workspace_.getGesture(e);
-  if (gesture) {
-    gesture.handleBubbleStart(e, this);
-  }
-};
-
-/**
- * Show the context menu for this bubble.
- * @param {!Event} _e Mouse event.
- * @package
- */
-Blockly.Bubble.prototype.showContextMenu = function(_e) {
-  // NOP on bubbles, but used by the bubble dragger to pass events to
-  // workspace comments.
-};
-
-/**
- * Get whether this bubble is deletable or not.
- * @return {boolean} True if deletable.
- * @package
- */
-Blockly.Bubble.prototype.isDeletable = function() {
-  return false;
-};
-
-/**
- * Update the style of this bubble when it is dragged over a delete area.
- * @param {boolean} _enable True if the bubble is about to be deleted, false
- *     otherwise.
- */
-Blockly.Bubble.prototype.setDeleteStyle = function(_enable) {
-  // NOP if bubble is not deletable.
-};
-
-/**
- * Handle a mouse-down on bubble's resize corner.
- * @param {!Event} e Mouse down event.
- * @private
- */
-Blockly.Bubble.prototype.resizeMouseDown_ = function(e) {
-  this.promote();
-  Blockly.Bubble.unbindDragEvents_();
-  if (Blockly.utils.isRightButton(e)) {
-    // No right-click.
-    e.stopPropagation();
-    return;
-  }
-  // Left-click (or middle click)
-  this.workspace_.startDrag(
-      e,
-      new Blockly.utils.Coordinate(
-          this.workspace_.RTL ? -this.width_ : this.width_, this.height_));
-
-  Blockly.Bubble.onMouseUpWrapper_ = Blockly.bindEventWithChecks_(
-      document, 'mouseup', this, Blockly.Bubble.bubbleMouseUp_);
-  Blockly.Bubble.onMouseMoveWrapper_ = Blockly.bindEventWithChecks_(
-      document, 'mousemove', this, this.resizeMouseMove_);
-  Blockly.hideChaff();
-  // This event has been handled.  No need to bubble up to the document.
-  e.stopPropagation();
-};
-
-/**
- * Resize this bubble to follow the mouse.
- * @param {!Event} e Mouse move event.
- * @private
- */
-Blockly.Bubble.prototype.resizeMouseMove_ = function(e) {
-  this.autoLayout_ = false;
-  var newXY = this.workspace_.moveDrag(e);
-  this.setBubbleSize(this.workspace_.RTL ? -newXY.x : newXY.x, newXY.y);
-  if (this.workspace_.RTL) {
-    // RTL requires the bubble to move its left edge.
-    this.positionBubble_();
-  }
-};
-
-/**
- * Register a function as a callback event for when the bubble is resized.
- * @param {!Function} callback The function to call on resize.
- */
-Blockly.Bubble.prototype.registerResizeEvent = function(callback) {
-  this.resizeCallback_ = callback;
-};
-
-/**
- * Register a function as a callback event for when the bubble is moved.
- * @param {!Function} callback The function to call on move.
- */
-Blockly.Bubble.prototype.registerMoveEvent = function(callback) {
-  this.moveCallback_ = callback;
-};
-
-/**
- * Move this bubble to the top of the stack.
- * @return {boolean} Whether or not the bubble has been moved.
- * @package
- */
-Blockly.Bubble.prototype.promote = function() {
-  var svgGroup = this.bubbleGroup_.parentNode;
-  if (svgGroup.lastChild !== this.bubbleGroup_) {
-    svgGroup.appendChild(this.bubbleGroup_);
-    return true;
-  }
-  return false;
-};
-
-/**
- * Notification that the anchor has moved.
- * Update the arrow and bubble accordingly.
- * @param {!Blockly.utils.Coordinate} xy Absolute location.
- */
-Blockly.Bubble.prototype.setAnchorLocation = function(xy) {
-  this.anchorXY_ = xy;
-  if (this.rendered_) {
-    this.positionBubble_();
-  }
-};
-
-/**
- * Position the bubble so that it does not fall off-screen.
- * @private
- */
-Blockly.Bubble.prototype.layoutBubble_ = function() {
-  // Get the metrics in workspace units.
-  var metrics = this.workspace_.getMetrics();
-  metrics.viewLeft /= this.workspace_.scale;
-  metrics.viewWidth /= this.workspace_.scale;
-  metrics.viewTop /= this.workspace_.scale;
-  metrics.viewHeight /= this.workspace_.scale;
-
-  var optimalLeft = this.getOptimalRelativeLeft_(metrics);
-  var optimalTop = this.getOptimalRelativeTop_(metrics);
-  var bbox = this.shape_.getBBox();
-
-  var topPosition = {
-    x: optimalLeft,
-    y: -this.height_ -
-        this.workspace_.getRenderer().getConstants().MIN_BLOCK_HEIGHT
-  };
-  var startPosition = {x: -this.width_ - 30, y: optimalTop};
-  var endPosition = {x: bbox.width, y: optimalTop};
-  var bottomPosition = {x: optimalLeft, y: bbox.height};
-
-  var closerPosition = bbox.width < bbox.height ? endPosition : bottomPosition;
-  var fartherPosition = bbox.width < bbox.height ? bottomPosition : endPosition;
-
-  var topPositionOverlap = this.getOverlap_(topPosition, metrics);
-  var startPositionOverlap = this.getOverlap_(startPosition, metrics);
-  var closerPositionOverlap = this.getOverlap_(closerPosition, metrics);
-  var fartherPositionOverlap = this.getOverlap_(fartherPosition, metrics);
-
-  // Set the position to whichever position shows the most of the bubble,
-  // with tiebreaks going in the order: top > start > close > far.
-  var mostOverlap = Math.max(
-      topPositionOverlap, startPositionOverlap, closerPositionOverlap,
-      fartherPositionOverlap);
-  if (topPositionOverlap == mostOverlap) {
-    this.relativeLeft_ = topPosition.x;
-    this.relativeTop_ = topPosition.y;
-    return;
-  }
-  if (startPositionOverlap == mostOverlap) {
-    this.relativeLeft_ = startPosition.x;
-    this.relativeTop_ = startPosition.y;
-    return;
-  }
-  if (closerPositionOverlap == mostOverlap) {
-    this.relativeLeft_ = closerPosition.x;
-    this.relativeTop_ = closerPosition.y;
-    return;
-  }
-  // TODO: I believe relativeLeft_ should actually be called relativeStart_
-  //  and then the math should be fixed to reflect this. (hopefully it'll
-  //  make it look simpler)
-  this.relativeLeft_ = fartherPosition.x;
-  this.relativeTop_ = fartherPosition.y;
-};
-
-/**
- * Calculate the what percentage of the bubble overlaps with the visible
- * workspace (what percentage of the bubble is visible).
- * @param {!{x: number, y: number}} relativeMin The position of the top-left
- *     corner of the bubble relative to the anchor point.
- * @param {!Blockly.utils.Metrics} metrics The metrics of the workspace the
- *     bubble will appear in.
- * @return {number} The percentage of the bubble that is visible.
- * @private
- */
-Blockly.Bubble.prototype.getOverlap_ = function(relativeMin, metrics) {
-  // The position of the top-left corner of the bubble in workspace units.
-  var bubbleMin = {
-    x: this.workspace_.RTL ? (this.anchorXY_.x - relativeMin.x - this.width_) :
-                             (relativeMin.x + this.anchorXY_.x),
-    y: relativeMin.y + this.anchorXY_.y
-  };
-  // The position of the bottom-right corner of the bubble in workspace units.
-  var bubbleMax = {x: bubbleMin.x + this.width_, y: bubbleMin.y + this.height_};
-
-  // We could adjust these values to account for the scrollbars, but the
-  // bubbles should have been adjusted to not collide with them anyway, so
-  // giving the workspace a slightly larger "bounding box" shouldn't affect the
-  // calculation.
-
-  // The position of the top-left corner of the workspace.
-  var workspaceMin = {x: metrics.viewLeft, y: metrics.viewTop};
-  // The position of the bottom-right corner of the workspace.
-  var workspaceMax = {
-    x: metrics.viewLeft + metrics.viewWidth,
-    y: metrics.viewTop + metrics.viewHeight
-  };
-
-  var overlapWidth = Math.min(bubbleMax.x, workspaceMax.x) -
-      Math.max(bubbleMin.x, workspaceMin.x);
-  var overlapHeight = Math.min(bubbleMax.y, workspaceMax.y) -
-      Math.max(bubbleMin.y, workspaceMin.y);
-  return Math.max(
-      0,
-      Math.min(
-          1, (overlapWidth * overlapHeight) / (this.width_ * this.height_)));
-};
-
-/**
- * Calculate what the optimal horizontal position of the top-left corner of the
- * bubble is (relative to the anchor point) so that the most area of the
- * bubble is shown.
- * @param {!Blockly.utils.Metrics} metrics The metrics of the workspace the
- *     bubble will appear in.
- * @return {number} The optimal horizontal position of the top-left corner
- *     of the bubble.
- * @private
- */
-Blockly.Bubble.prototype.getOptimalRelativeLeft_ = function(metrics) {
-  var relativeLeft = -this.width_ / 4;
-
-  // No amount of sliding left or right will give us a better overlap.
-  if (this.width_ > metrics.viewWidth) {
-    return relativeLeft;
-  }
-
-  if (this.workspace_.RTL) {
-    // Bubble coordinates are flipped in RTL.
-    var bubbleRight = this.anchorXY_.x - relativeLeft;
-    var bubbleLeft = bubbleRight - this.width_;
-
-    var workspaceRight = metrics.viewLeft + metrics.viewWidth;
-    var workspaceLeft = metrics.viewLeft +
-        // Thickness in workspace units.
-        (Blockly.Scrollbar.scrollbarThickness / this.workspace_.scale);
-  } else {
-    var bubbleLeft = relativeLeft + this.anchorXY_.x;
-    var bubbleRight = bubbleLeft + this.width_;
-
-    var workspaceLeft = metrics.viewLeft;
-    var workspaceRight = metrics.viewLeft + metrics.viewWidth -
-        // Thickness in workspace units.
-        (Blockly.Scrollbar.scrollbarThickness / this.workspace_.scale);
-  }
-
-  if (this.workspace_.RTL) {
-    if (bubbleLeft < workspaceLeft) {
-      // Slide the bubble right until it is onscreen.
-      relativeLeft = -(workspaceLeft - this.anchorXY_.x + this.width_);
-    } else if (bubbleRight > workspaceRight) {
-      // Slide the bubble left until it is onscreen.
-      relativeLeft = -(workspaceRight - this.anchorXY_.x);
-    }
-  } else {
-    if (bubbleLeft < workspaceLeft) {
-      // Slide the bubble right until it is onscreen.
-      relativeLeft = workspaceLeft - this.anchorXY_.x;
-    } else if (bubbleRight > workspaceRight) {
-      // Slide the bubble left until it is onscreen.
-      relativeLeft = workspaceRight - this.anchorXY_.x - this.width_;
-    }
-  }
-
-  return relativeLeft;
-};
-
-/**
- * Calculate what the optimal vertical position of the top-left corner of
- * the bubble is (relative to the anchor point) so that the most area of the
- * bubble is shown.
- * @param {!Blockly.utils.Metrics} metrics The metrics of the workspace the
- *     bubble will appear in.
- * @return {number} The optimal vertical position of the top-left corner
- *     of the bubble.
- * @private
- */
-Blockly.Bubble.prototype.getOptimalRelativeTop_ = function(metrics) {
-  var relativeTop = -this.height_ / 4;
-
-  // No amount of sliding up or down will give us a better overlap.
-  if (this.height_ > metrics.viewHeight) {
-    return relativeTop;
-  }
-
-  var bubbleTop = this.anchorXY_.y + relativeTop;
-  var bubbleBottom = bubbleTop + this.height_;
-  var workspaceTop = metrics.viewTop;
-  var workspaceBottom = metrics.viewTop + metrics.viewHeight -
-      // Thickness in workspace units.
-      (Blockly.Scrollbar.scrollbarThickness / this.workspace_.scale);
-
-  var anchorY = this.anchorXY_.y;
-  if (bubbleTop < workspaceTop) {
-    // Slide the bubble down until it is onscreen.
-    relativeTop = workspaceTop - anchorY;
-  } else if (bubbleBottom > workspaceBottom) {
-    // Slide the bubble up until it is onscreen.
-    relativeTop = workspaceBottom - anchorY - this.height_;
-  }
-
-  return relativeTop;
-};
-
-/**
- * Move the bubble to a location relative to the anchor's centre.
- * @private
- */
-Blockly.Bubble.prototype.positionBubble_ = function() {
-  var left = this.anchorXY_.x;
-  if (this.workspace_.RTL) {
-    left -= this.relativeLeft_ + this.width_;
-  } else {
-    left += this.relativeLeft_;
-  }
-  var top = this.relativeTop_ + this.anchorXY_.y;
-  this.moveTo(left, top);
-};
-
-/**
- * Move the bubble group to the specified location in workspace coordinates.
- * @param {number} x The x position to move to.
- * @param {number} y The y position to move to.
- * @package
- */
-Blockly.Bubble.prototype.moveTo = function(x, y) {
-  this.bubbleGroup_.setAttribute('transform', 'translate(' + x + ',' + y + ')');
-};
-
-/**
- * Triggers a move callback if one exists at the end of a drag.
- * @param {boolean} adding True if adding, false if removing.
- * @package
- */
-Blockly.Bubble.prototype.setDragging = function(adding) {
-  if (!adding && this.moveCallback_) {
-    this.moveCallback_();
-  }
-};
-
-/**
- * Get the dimensions of this bubble.
- * @return {!Blockly.utils.Size} The height and width of the bubble.
- */
-Blockly.Bubble.prototype.getBubbleSize = function() {
-  return new Blockly.utils.Size(this.width_, this.height_);
-};
-
-/**
- * Size this bubble.
- * @param {number} width Width of the bubble.
- * @param {number} height Height of the bubble.
- */
-Blockly.Bubble.prototype.setBubbleSize = function(width, height) {
-  var doubleBorderWidth = 2 * Blockly.Bubble.BORDER_WIDTH;
-  // Minimum size of a bubble.
-  width = Math.max(width, doubleBorderWidth + 45);
-  height = Math.max(height, doubleBorderWidth + 20);
-  this.width_ = width;
-  this.height_ = height;
-  this.bubbleBack_.setAttribute('width', width);
-  this.bubbleBack_.setAttribute('height', height);
-  if (this.resizeGroup_) {
-    if (this.workspace_.RTL) {
-      // Mirror the resize group.
-      var resizeSize = 2 * Blockly.Bubble.BORDER_WIDTH;
-      this.resizeGroup_.setAttribute(
-          'transform',
-          'translate(' + resizeSize + ',' + (height - doubleBorderWidth) +
-              ') scale(-1 1)');
-    } else {
-      this.resizeGroup_.setAttribute(
-          'transform',
-          'translate(' + (width - doubleBorderWidth) + ',' +
-              (height - doubleBorderWidth) + ')');
-    }
-  }
-  if (this.autoLayout_) {
-    this.layoutBubble_();
-  }
-  this.positionBubble_();
-  this.renderArrow_();
-
-  // Allow the contents to resize.
-  if (this.resizeCallback_) {
-    this.resizeCallback_();
-  }
-};
-
-/**
- * Draw the arrow between the bubble and the origin.
- * @private
- */
-Blockly.Bubble.prototype.renderArrow_ = function() {
-  var steps = [];
-  // Find the relative coordinates of the center of the bubble.
-  var relBubbleX = this.width_ / 2;
-  var relBubbleY = this.height_ / 2;
-  // Find the relative coordinates of the center of the anchor.
-  var relAnchorX = -this.relativeLeft_;
-  var relAnchorY = -this.relativeTop_;
-  if (relBubbleX == relAnchorX && relBubbleY == relAnchorY) {
-    // Null case.  Bubble is directly on top of the anchor.
-    // Short circuit this rather than wade through divide by zeros.
-    steps.push('M ' + relBubbleX + ',' + relBubbleY);
-  } else {
-    // Compute the angle of the arrow's line.
-    var rise = relAnchorY - relBubbleY;
-    var run = relAnchorX - relBubbleX;
-    if (this.workspace_.RTL) {
-      run *= -1;
-    }
-    var hypotenuse = Math.sqrt(rise * rise + run * run);
-    var angle = Math.acos(run / hypotenuse);
-    if (rise < 0) {
-      angle = 2 * Math.PI - angle;
-    }
-    // Compute a line perpendicular to the arrow.
-    var rightAngle = angle + Math.PI / 2;
-    if (rightAngle > Math.PI * 2) {
-      rightAngle -= Math.PI * 2;
-    }
-    var rightRise = Math.sin(rightAngle);
-    var rightRun = Math.cos(rightAngle);
-
-    // Calculate the thickness of the base of the arrow.
-    var bubbleSize = this.getBubbleSize();
-    var thickness =
-        (bubbleSize.width + bubbleSize.height) / Blockly.Bubble.ARROW_THICKNESS;
-    thickness = Math.min(thickness, bubbleSize.width, bubbleSize.height) / 4;
-
-    // Back the tip of the arrow off of the anchor.
-    var backoffRatio = 1 - Blockly.Bubble.ANCHOR_RADIUS / hypotenuse;
-    relAnchorX = relBubbleX + backoffRatio * run;
-    relAnchorY = relBubbleY + backoffRatio * rise;
-
-    // Coordinates for the base of the arrow.
-    var baseX1 = relBubbleX + thickness * rightRun;
-    var baseY1 = relBubbleY + thickness * rightRise;
-    var baseX2 = relBubbleX - thickness * rightRun;
-    var baseY2 = relBubbleY - thickness * rightRise;
-
-    // Distortion to curve the arrow.
-    var swirlAngle = angle + this.arrow_radians_;
-    if (swirlAngle > Math.PI * 2) {
-      swirlAngle -= Math.PI * 2;
-    }
-    var swirlRise =
-        Math.sin(swirlAngle) * hypotenuse / Blockly.Bubble.ARROW_BEND;
-    var swirlRun =
-        Math.cos(swirlAngle) * hypotenuse / Blockly.Bubble.ARROW_BEND;
-
-    steps.push('M' + baseX1 + ',' + baseY1);
-    steps.push(
-        'C' + (baseX1 + swirlRun) + ',' + (baseY1 + swirlRise) + ' ' +
-        relAnchorX + ',' + relAnchorY + ' ' + relAnchorX + ',' + relAnchorY);
-    steps.push(
-        'C' + relAnchorX + ',' + relAnchorY + ' ' + (baseX2 + swirlRun) + ',' +
-        (baseY2 + swirlRise) + ' ' + baseX2 + ',' + baseY2);
-  }
-  steps.push('z');
-  this.bubbleArrow_.setAttribute('d', steps.join(' '));
-};
-
-/**
- * Change the colour of a bubble.
- * @param {string} hexColour Hex code of colour.
- */
-Blockly.Bubble.prototype.setColour = function(hexColour) {
-  this.bubbleBack_.setAttribute('fill', hexColour);
-  this.bubbleArrow_.setAttribute('fill', hexColour);
-};
-
-/**
- * Dispose of this bubble.
- */
-Blockly.Bubble.prototype.dispose = function() {
-  if (this.onMouseDownBubbleWrapper_) {
-    Blockly.unbindEvent_(this.onMouseDownBubbleWrapper_);
-  }
-  if (this.onMouseDownResizeWrapper_) {
-    Blockly.unbindEvent_(this.onMouseDownResizeWrapper_);
-  }
-  Blockly.Bubble.unbindDragEvents_();
-  Blockly.utils.dom.removeNode(this.bubbleGroup_);
-  this.disposed = true;
-};
-
-/**
- * Move this bubble during a drag, taking into account whether or not there is
- * a drag surface.
- * @param {Blockly.BlockDragSurfaceSvg} dragSurface The surface that carries
- *     rendered items during a drag, or null if no drag surface is in use.
- * @param {!Blockly.utils.Coordinate} newLoc The location to translate to, in
- *     workspace coordinates.
- * @package
- */
-Blockly.Bubble.prototype.moveDuringDrag = function(dragSurface, newLoc) {
-  if (dragSurface) {
-    dragSurface.translateSurface(newLoc.x, newLoc.y);
-  } else {
-    this.moveTo(newLoc.x, newLoc.y);
-  }
-  if (this.workspace_.RTL) {
-    this.relativeLeft_ = this.anchorXY_.x - newLoc.x - this.width_;
-  } else {
-    this.relativeLeft_ = newLoc.x - this.anchorXY_.x;
-  }
-  this.relativeTop_ = newLoc.y - this.anchorXY_.y;
-  this.renderArrow_();
-};
-
-/**
- * Return the coordinates of the top-left corner of this bubble's body relative
- * to the drawing surface's origin (0,0), in workspace units.
- * @return {!Blockly.utils.Coordinate} Object with .x and .y properties.
- */
-Blockly.Bubble.prototype.getRelativeToSurfaceXY = function() {
-  return new Blockly.utils.Coordinate(
-      this.workspace_.RTL ?
-          -this.relativeLeft_ + this.anchorXY_.x - this.width_ :
-          this.anchorXY_.x + this.relativeLeft_,
-      this.anchorXY_.y + this.relativeTop_);
-};
-
-/**
- * Set whether auto-layout of this bubble is enabled.  The first time a bubble
- * is shown it positions itself to not cover any blocks.  Once a user has
- * dragged it to reposition, it renders where the user put it.
- * @param {boolean} enable True if auto-layout should be enabled, false
- *     otherwise.
- * @package
- */
-Blockly.Bubble.prototype.setAutoLayout = function(enable) {
-  this.autoLayout_ = enable;
-};
diff --git a/core/bubble_dragger.js b/core/bubble_dragger.js
deleted file mode 100644
index ee4bd9942be..00000000000
--- a/core/bubble_dragger.js
+++ /dev/null
@@ -1,274 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Methods for dragging a bubble visually.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.BubbleDragger');
-
-goog.require('Blockly.Bubble');
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.CommentMove');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.Coordinate');
-
-goog.requireType('Blockly.IBubble');
-
-
-/**
- * Class for a bubble dragger.  It moves things on the bubble canvas around the
- * workspace when they are being dragged by a mouse or touch.  These can be
- * block comments, mutators, warnings, or workspace comments.
- * @param {!Blockly.IBubble} bubble The item on the bubble canvas to drag.
- * @param {!Blockly.WorkspaceSvg} workspace The workspace to drag on.
- * @constructor
- */
-Blockly.BubbleDragger = function(bubble, workspace) {
-  /**
-   * The item on the bubble canvas that is being dragged.
-   * @type {!Blockly.IBubble}
-   * @private
-   */
-  this.draggingBubble_ = bubble;
-
-  /**
-   * The workspace on which the bubble is being dragged.
-   * @type {!Blockly.WorkspaceSvg}
-   * @private
-   */
-  this.workspace_ = workspace;
-
-  /**
-   * Which delete area the mouse pointer is over, if any.
-   * One of {@link Blockly.DELETE_AREA_TRASH},
-   * {@link Blockly.DELETE_AREA_TOOLBOX}, or {@link Blockly.DELETE_AREA_NONE}.
-   * @type {?number}
-   * @private
-   */
-  this.deleteArea_ = null;
-
-  /**
-   * Whether the bubble would be deleted if dropped immediately.
-   * @type {boolean}
-   * @private
-   */
-  this.wouldDeleteBubble_ = false;
-
-  /**
-   * The location of the top left corner of the dragging bubble's body at the
-   * beginning of the drag, in workspace coordinates.
-   * @type {!Blockly.utils.Coordinate}
-   * @private
-   */
-  this.startXY_ = this.draggingBubble_.getRelativeToSurfaceXY();
-
-  /**
-   * The drag surface to move bubbles to during a drag, or null if none should
-   * be used.  Block dragging and bubble dragging use the same surface.
-   * @type {Blockly.BlockDragSurfaceSvg}
-   * @private
-   */
-  this.dragSurface_ =
-      Blockly.utils.is3dSupported() && !!workspace.getBlockDragSurface() ?
-      workspace.getBlockDragSurface() :
-      null;
-};
-
-/**
- * Sever all links from this object.
- * @package
- * @suppress {checkTypes}
- */
-Blockly.BubbleDragger.prototype.dispose = function() {
-  this.draggingBubble_ = null;
-  this.workspace_ = null;
-  this.dragSurface_ = null;
-};
-
-/**
- * Start dragging a bubble.  This includes moving it to the drag surface.
- * @package
- */
-Blockly.BubbleDragger.prototype.startBubbleDrag = function() {
-  if (!Blockly.Events.getGroup()) {
-    Blockly.Events.setGroup(true);
-  }
-
-  this.workspace_.setResizesEnabled(false);
-  this.draggingBubble_.setAutoLayout(false);
-  if (this.dragSurface_) {
-    this.moveToDragSurface_();
-  }
-
-  this.draggingBubble_.setDragging && this.draggingBubble_.setDragging(true);
-
-  var toolbox = this.workspace_.getToolbox();
-  if (toolbox && typeof toolbox.addStyle == 'function') {
-    var style = this.draggingBubble_.isDeletable() ? 'blocklyToolboxDelete' :
-                                                     'blocklyToolboxGrab';
-    toolbox.addStyle(style);
-  }
-};
-
-/**
- * Execute a step of bubble dragging, based on the given event.  Update the
- * display accordingly.
- * @param {!Event} e The most recent move event.
- * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
- *     moved from the position at the start of the drag, in pixel units.
- * @package
- */
-Blockly.BubbleDragger.prototype.dragBubble = function(e, currentDragDeltaXY) {
-  var delta = this.pixelsToWorkspaceUnits_(currentDragDeltaXY);
-  var newLoc = Blockly.utils.Coordinate.sum(this.startXY_, delta);
-
-  this.draggingBubble_.moveDuringDrag(this.dragSurface_, newLoc);
-
-  if (this.draggingBubble_.isDeletable()) {
-    this.deleteArea_ = this.workspace_.isDeleteArea(e);
-    this.updateCursorDuringBubbleDrag_();
-  }
-};
-
-/**
- * Shut the trash can and, if necessary, delete the dragging bubble.
- * Should be called at the end of a bubble drag.
- * @return {boolean} Whether the bubble was deleted.
- * @private
- */
-Blockly.BubbleDragger.prototype.maybeDeleteBubble_ = function() {
-  var trashcan = this.workspace_.trashcan;
-
-  if (this.wouldDeleteBubble_) {
-    if (trashcan) {
-      setTimeout(trashcan.closeLid.bind(trashcan), 100);
-    }
-    // Fire a move event, so we know where to go back to for an undo.
-    this.fireMoveEvent_();
-    this.draggingBubble_.dispose(false, true);
-  } else if (trashcan) {
-    // Make sure the trash can lid is closed.
-    trashcan.closeLid();
-  }
-  return this.wouldDeleteBubble_;
-};
-
-/**
- * Update the cursor (and possibly the trash can lid) to reflect whether the
- * dragging bubble would be deleted if released immediately.
- * @private
- */
-Blockly.BubbleDragger.prototype.updateCursorDuringBubbleDrag_ = function() {
-  this.wouldDeleteBubble_ = this.deleteArea_ != Blockly.DELETE_AREA_NONE;
-  var trashcan = this.workspace_.trashcan;
-  if (this.wouldDeleteBubble_) {
-    this.draggingBubble_.setDeleteStyle(true);
-    if (this.deleteArea_ == Blockly.DELETE_AREA_TRASH && trashcan) {
-      trashcan.setLidOpen(true);
-    }
-  } else {
-    this.draggingBubble_.setDeleteStyle(false);
-    if (trashcan) {
-      trashcan.setLidOpen(false);
-    }
-  }
-};
-
-/**
- * Finish a bubble drag and put the bubble back on the workspace.
- * @param {!Event} e The mouseup/touchend event.
- * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
- *     moved from the position at the start of the drag, in pixel units.
- * @package
- */
-Blockly.BubbleDragger.prototype.endBubbleDrag = function(
-    e, currentDragDeltaXY) {
-  // Make sure internal state is fresh.
-  this.dragBubble(e, currentDragDeltaXY);
-
-  var delta = this.pixelsToWorkspaceUnits_(currentDragDeltaXY);
-  var newLoc = Blockly.utils.Coordinate.sum(this.startXY_, delta);
-
-  // Move the bubble to its final location.
-  this.draggingBubble_.moveTo(newLoc.x, newLoc.y);
-  var deleted = this.maybeDeleteBubble_();
-
-  if (!deleted) {
-    // Put everything back onto the bubble canvas.
-    if (this.dragSurface_) {
-      this.dragSurface_.clearAndHide(this.workspace_.getBubbleCanvas());
-    }
-
-    this.draggingBubble_.setDragging && this.draggingBubble_.setDragging(false);
-    this.fireMoveEvent_();
-  }
-  this.workspace_.setResizesEnabled(true);
-
-  var toolbox = this.workspace_.getToolbox();
-  if (toolbox && typeof toolbox.removeStyle == 'function') {
-    var style = this.draggingBubble_.isDeletable() ? 'blocklyToolboxDelete' :
-                                                     'blocklyToolboxGrab';
-    toolbox.removeStyle(style);
-  }
-  Blockly.Events.setGroup(false);
-};
-
-/**
- * Fire a move event at the end of a bubble drag.
- * @private
- */
-Blockly.BubbleDragger.prototype.fireMoveEvent_ = function() {
-  if (this.draggingBubble_.isComment) {
-    var event = new Blockly.Events.CommentMove(
-        /** @type {!Blockly.WorkspaceCommentSvg} */ (this.draggingBubble_));
-    event.setOldCoordinate(this.startXY_);
-    event.recordNew();
-    Blockly.Events.fire(event);
-  }
-  // TODO (fenichel): move events for comments.
-  return;
-};
-
-/**
- * Convert a coordinate object from pixels to workspace units, including a
- * correction for mutator workspaces.
- * This function does not consider differing origins.  It simply scales the
- * input's x and y values.
- * @param {!Blockly.utils.Coordinate} pixelCoord A coordinate with x and y
- *     values in CSS pixel units.
- * @return {!Blockly.utils.Coordinate} The input coordinate divided by the
- *     workspace scale.
- * @private
- */
-Blockly.BubbleDragger.prototype.pixelsToWorkspaceUnits_ = function(pixelCoord) {
-  var result = new Blockly.utils.Coordinate(
-      pixelCoord.x / this.workspace_.scale,
-      pixelCoord.y / this.workspace_.scale);
-  if (this.workspace_.isMutator) {
-    // If we're in a mutator, its scale is always 1, purely because of some
-    // oddities in our rendering optimizations.  The actual scale is the same as
-    // the scale on the parent workspace.
-    // Fix that for dragging.
-    var mainScale = this.workspace_.options.parentWorkspace.scale;
-    result.scale(1 / mainScale);
-  }
-  return result;
-};
-
-/**
- * Move the bubble onto the drag surface at the beginning of a drag.  Move the
- * drag surface to preserve the apparent location of the bubble.
- * @private
- */
-Blockly.BubbleDragger.prototype.moveToDragSurface_ = function() {
-  this.draggingBubble_.moveTo(0, 0);
-  this.dragSurface_.translateSurface(this.startXY_.x, this.startXY_.y);
-  // Execute the move on the top-level SVG component.
-  this.dragSurface_.setBlocksAndShow(this.draggingBubble_.getSvgRoot());
-};
diff --git a/core/bubbles.ts b/core/bubbles.ts
new file mode 100644
index 00000000000..0c61741f92d
--- /dev/null
+++ b/core/bubbles.ts
@@ -0,0 +1,12 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {Bubble} from './bubbles/bubble.js';
+import {TextBubble} from './bubbles/text_bubble.js';
+import {TextInputBubble} from './bubbles/textinput_bubble.js';
+import {MiniWorkspaceBubble} from './bubbles/mini_workspace_bubble.js';
+
+export {Bubble, TextBubble, TextInputBubble, MiniWorkspaceBubble};
diff --git a/core/bubbles/bubble.ts b/core/bubbles/bubble.ts
new file mode 100644
index 00000000000..35b9e7dde0a
--- /dev/null
+++ b/core/bubbles/bubble.ts
@@ -0,0 +1,658 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as browserEvents from '../browser_events.js';
+import {BubbleDragStrategy} from '../dragging/bubble_drag_strategy.js';
+import {IBubble} from '../interfaces/i_bubble.js';
+import {ContainerRegion} from '../metrics_manager.js';
+import {Scrollbar} from '../scrollbar.js';
+import {Coordinate} from '../utils/coordinate.js';
+import * as dom from '../utils/dom.js';
+import * as math from '../utils/math.js';
+import {Rect} from '../utils/rect.js';
+import {Size} from '../utils/size.js';
+import {Svg} from '../utils/svg.js';
+import {WorkspaceSvg} from '../workspace_svg.js';
+import * as common from '../common.js';
+import {ISelectable} from '../blockly.js';
+import * as idGenerator from '../utils/idgenerator.js';
+
+/**
+ * The abstract pop-up bubble class. This creates a UI that looks like a speech
+ * bubble, where it has a "tail" that points to the block, and a "head" that
+ * displays arbitrary svg elements.
+ */
+export abstract class Bubble implements IBubble, ISelectable {
+  /** The width of the border around the bubble. */
+  static readonly BORDER_WIDTH = 6;
+
+  /** Double the width of the border around the bubble. */
+  static readonly DOUBLE_BORDER = this.BORDER_WIDTH * 2;
+
+  /** The minimum size the bubble can have. */
+  static readonly MIN_SIZE = this.DOUBLE_BORDER;
+
+  /**
+   * The thickness of the base of the tail in relation to the size of the
+   * bubble. Higher numbers result in thinner tails.
+   */
+  static readonly TAIL_THICKNESS = 1;
+
+  /** The number of degrees that the tail bends counter-clockwise. */
+  static readonly TAIL_ANGLE = 20;
+
+  /**
+   * The sharpness of the tail's bend. Higher numbers result in smoother
+   * tails.
+   */
+  static readonly TAIL_BEND = 4;
+
+  /** Distance between arrow point and anchor point. */
+  static readonly ANCHOR_RADIUS = 8;
+
+  public id: string;
+
+  /** The SVG group containing all parts of the bubble. */
+  protected svgRoot: SVGGElement;
+
+  /** The SVG path for the arrow from the anchor to the bubble. */
+  private tail: SVGPathElement;
+
+  /** The SVG background rect for the main body of the bubble. */
+  private background: SVGRectElement;
+
+  /** The SVG group containing the contents of the bubble. */
+  protected contentContainer: SVGGElement;
+
+  /**
+   * The size of the bubble (including background and contents but not tail).
+   */
+  private size = new Size(0, 0);
+
+  /** The colour of the background of the bubble. */
+  private colour = '#ffffff';
+
+  /** True if the bubble has been disposed, false otherwise. */
+  public disposed = false;
+
+  /** The position of the top of the bubble relative to its anchor. */
+  private relativeTop = 0;
+
+  /** The position of the left of the bubble realtive to its anchor. */
+  private relativeLeft = 0;
+
+  private dragStrategy = new BubbleDragStrategy(this, this.workspace);
+
+  /**
+   * @param workspace The workspace this bubble belongs to.
+   * @param anchor The anchor location of the thing this bubble is attached to.
+   *     The tail of the bubble will point to this location.
+   * @param ownerRect An optional rect we don't want the bubble to overlap with
+   *     when automatically positioning.
+   */
+  constructor(
+    public readonly workspace: WorkspaceSvg,
+    protected anchor: Coordinate,
+    protected ownerRect?: Rect,
+  ) {
+    this.id = idGenerator.getNextUniqueId();
+    this.svgRoot = dom.createSvgElement(
+      Svg.G,
+      {'class': 'blocklyBubble'},
+      workspace.getBubbleCanvas(),
+    );
+    const embossGroup = dom.createSvgElement(
+      Svg.G,
+      {
+        'filter': `url(#${
+          this.workspace.getRenderer().getConstants().embossFilterId
+        })`,
+      },
+      this.svgRoot,
+    );
+    this.tail = dom.createSvgElement(
+      Svg.PATH,
+      {'class': 'blocklyBubbleTail'},
+      embossGroup,
+    );
+    this.background = dom.createSvgElement(
+      Svg.RECT,
+      {
+        'class': 'blocklyDraggable',
+        'x': 0,
+        'y': 0,
+        'rx': Bubble.BORDER_WIDTH,
+        'ry': Bubble.BORDER_WIDTH,
+      },
+      embossGroup,
+    );
+    this.contentContainer = dom.createSvgElement(Svg.G, {}, this.svgRoot);
+
+    browserEvents.conditionalBind(
+      this.background,
+      'pointerdown',
+      this,
+      this.onMouseDown,
+    );
+  }
+
+  /** Dispose of this bubble. */
+  dispose() {
+    dom.removeNode(this.svgRoot);
+    this.disposed = true;
+  }
+
+  /**
+   * Set the location the tail of this bubble points to.
+   *
+   * @param anchor The location the tail of this bubble points to.
+   * @param relayout If true, reposition the bubble from scratch so that it is
+   *     optimally visible. If false, reposition it so it maintains the same
+   *     position relative to the anchor.
+   */
+  setAnchorLocation(anchor: Coordinate, relayout = false) {
+    this.anchor = anchor;
+    if (relayout) {
+      this.positionByRect(this.ownerRect);
+    } else {
+      this.positionRelativeToAnchor();
+    }
+    this.renderTail();
+  }
+
+  /** Sets the position of this bubble relative to its anchor. */
+  setPositionRelativeToAnchor(left: number, top: number) {
+    this.relativeLeft = left;
+    this.relativeTop = top;
+    this.positionRelativeToAnchor();
+    this.renderTail();
+  }
+
+  /** @returns the size of this bubble. */
+  protected getSize() {
+    return this.size;
+  }
+
+  /**
+   * Sets the size of this bubble, including the border.
+   *
+   * @param size Sets the size of this bubble, including the border.
+   * @param relayout If true, reposition the bubble from scratch so that it is
+   *     optimally visible. If false, reposition it so it maintains the same
+   *     position relative to the anchor.
+   */
+  protected setSize(size: Size, relayout = false) {
+    size.width = Math.max(size.width, Bubble.MIN_SIZE);
+    size.height = Math.max(size.height, Bubble.MIN_SIZE);
+    this.size = size;
+
+    this.background.setAttribute('width', `${size.width}`);
+    this.background.setAttribute('height', `${size.height}`);
+
+    if (relayout) {
+      this.positionByRect(this.ownerRect);
+    } else {
+      this.positionRelativeToAnchor();
+    }
+    this.renderTail();
+  }
+
+  /** Returns the colour of the background and tail of this bubble. */
+  protected getColour(): string {
+    return this.colour;
+  }
+
+  /** Sets the colour of the background and tail of this bubble. */
+  public setColour(colour: string) {
+    this.colour = colour;
+    this.tail.setAttribute('fill', colour);
+    this.background.setAttribute('fill', colour);
+  }
+
+  /** Passes the pointer event off to the gesture system. */
+  private onMouseDown(e: PointerEvent) {
+    this.workspace.getGesture(e)?.handleBubbleStart(e, this);
+    common.setSelected(this);
+  }
+
+  /** Positions the bubble relative to its anchor. Does not render its tail. */
+  protected positionRelativeToAnchor() {
+    let left = this.anchor.x;
+    if (this.workspace.RTL) {
+      left -= this.relativeLeft + this.size.width;
+    } else {
+      left += this.relativeLeft;
+    }
+    const top = this.relativeTop + this.anchor.y;
+    this.moveTo(left, top);
+  }
+
+  /**
+   * Moves the bubble to the given coordinates.
+   *
+   * @internal
+   */
+  moveTo(x: number, y: number) {
+    this.svgRoot.setAttribute('transform', `translate(${x}, ${y})`);
+  }
+
+  /**
+   * Positions the bubble "optimally" so that the most of it is visible and
+   * it does not overlap the rect (if provided).
+   */
+  protected positionByRect(rect = new Rect(0, 0, 0, 0)) {
+    const viewMetrics = this.workspace.getMetricsManager().getViewMetrics(true);
+
+    const optimalLeft = this.getOptimalRelativeLeft(viewMetrics);
+    const optimalTop = this.getOptimalRelativeTop(viewMetrics);
+
+    const topPosition = {
+      x: optimalLeft,
+      y: (-this.size.height -
+        this.workspace.getRenderer().getConstants().MIN_BLOCK_HEIGHT) as number,
+    };
+    const startPosition = {x: -this.size.width - 30, y: optimalTop};
+    const endPosition = {x: rect.getWidth(), y: optimalTop};
+    const bottomPosition = {x: optimalLeft, y: rect.getHeight()};
+
+    const closerPosition =
+      rect.getWidth() < rect.getHeight() ? endPosition : bottomPosition;
+    const fartherPosition =
+      rect.getWidth() < rect.getHeight() ? bottomPosition : endPosition;
+
+    const topPositionOverlap = this.getOverlap(topPosition, viewMetrics);
+    const startPositionOverlap = this.getOverlap(startPosition, viewMetrics);
+    const closerPositionOverlap = this.getOverlap(closerPosition, viewMetrics);
+    const fartherPositionOverlap = this.getOverlap(
+      fartherPosition,
+      viewMetrics,
+    );
+
+    // Set the position to whichever position shows the most of the bubble,
+    // with tiebreaks going in the order: top > start > close > far.
+    const mostOverlap = Math.max(
+      topPositionOverlap,
+      startPositionOverlap,
+      closerPositionOverlap,
+      fartherPositionOverlap,
+    );
+    if (topPositionOverlap === mostOverlap) {
+      this.relativeLeft = topPosition.x;
+      this.relativeTop = topPosition.y;
+      this.positionRelativeToAnchor();
+      return;
+    }
+    if (startPositionOverlap === mostOverlap) {
+      this.relativeLeft = startPosition.x;
+      this.relativeTop = startPosition.y;
+      this.positionRelativeToAnchor();
+      return;
+    }
+    if (closerPositionOverlap === mostOverlap) {
+      this.relativeLeft = closerPosition.x;
+      this.relativeTop = closerPosition.y;
+      this.positionRelativeToAnchor();
+      return;
+    }
+    // TODO: I believe relativeLeft_ should actually be called relativeStart_
+    //  and then the math should be fixed to reflect this. (hopefully it'll
+    //  make it look simpler)
+    this.relativeLeft = fartherPosition.x;
+    this.relativeTop = fartherPosition.y;
+    this.positionRelativeToAnchor();
+  }
+
+  /**
+   * Calculate the what percentage of the bubble overlaps with the visible
+   * workspace (what percentage of the bubble is visible).
+   *
+   * @param relativeMin The position of the top-left corner of the bubble
+   *     relative to the anchor point.
+   * @param viewMetrics The view metrics of the workspace the bubble will appear
+   *     in.
+   * @returns The percentage of the bubble that is visible.
+   */
+  private getOverlap(
+    relativeMin: {x: number; y: number},
+    viewMetrics: ContainerRegion,
+  ): number {
+    // The position of the top-left corner of the bubble in workspace units.
+    const bubbleMin = {
+      x: this.workspace.RTL
+        ? this.anchor.x - relativeMin.x - this.size.width
+        : relativeMin.x + this.anchor.x,
+      y: relativeMin.y + this.anchor.y,
+    };
+    // The position of the bottom-right corner of the bubble in workspace units.
+    const bubbleMax = {
+      x: bubbleMin.x + this.size.width,
+      y: bubbleMin.y + this.size.height,
+    };
+
+    // We could adjust these values to account for the scrollbars, but the
+    // bubbles should have been adjusted to not collide with them anyway, so
+    // giving the workspace a slightly larger "bounding box" shouldn't affect
+    // the calculation.
+
+    // The position of the top-left corner of the workspace.
+    const workspaceMin = {x: viewMetrics.left, y: viewMetrics.top};
+    // The position of the bottom-right corner of the workspace.
+    const workspaceMax = {
+      x: viewMetrics.left + viewMetrics.width,
+      y: viewMetrics.top + viewMetrics.height,
+    };
+
+    const overlapWidth =
+      Math.min(bubbleMax.x, workspaceMax.x) -
+      Math.max(bubbleMin.x, workspaceMin.x);
+    const overlapHeight =
+      Math.min(bubbleMax.y, workspaceMax.y) -
+      Math.max(bubbleMin.y, workspaceMin.y);
+    return Math.max(
+      0,
+      Math.min(
+        1,
+        (overlapWidth * overlapHeight) / (this.size.width * this.size.height),
+      ),
+    );
+  }
+
+  /**
+   * Calculate what the optimal horizontal position of the top-left corner of
+   * the bubble is (relative to the anchor point) so that the most area of the
+   * bubble is shown.
+   *
+   * @param viewMetrics The view metrics of the workspace the bubble will appear
+   *     in.
+   * @returns The optimal horizontal position of the top-left corner of the
+   *     bubble.
+   */
+  private getOptimalRelativeLeft(viewMetrics: ContainerRegion): number {
+    // By default, show the bubble just a bit to the left of the anchor.
+    let relativeLeft = -this.size.width / 4;
+
+    // No amount of sliding left or right will give us better overlap.
+    if (this.size.width > viewMetrics.width) return relativeLeft;
+
+    const workspaceRect = this.getWorkspaceViewRect(viewMetrics);
+
+    if (this.workspace.RTL) {
+      // Bubble coordinates are flipped in RTL.
+      const bubbleRight = this.anchor.x - relativeLeft;
+      const bubbleLeft = bubbleRight - this.size.width;
+
+      if (bubbleLeft < workspaceRect.left) {
+        // Slide the bubble right until it is onscreen.
+        relativeLeft = -(workspaceRect.left - this.anchor.x + this.size.width);
+      } else if (bubbleRight > workspaceRect.right) {
+        // Slide the bubble left until it is onscreen.
+        relativeLeft = -(workspaceRect.right - this.anchor.x);
+      }
+    } else {
+      const bubbleLeft = relativeLeft + this.anchor.x;
+      const bubbleRight = bubbleLeft + this.size.width;
+
+      if (bubbleLeft < workspaceRect.left) {
+        // Slide the bubble right until it is onscreen.
+        relativeLeft = workspaceRect.left - this.anchor.x;
+      } else if (bubbleRight > workspaceRect.right) {
+        // Slide the bubble left until it is onscreen.
+        relativeLeft = workspaceRect.right - this.anchor.x - this.size.width;
+      }
+    }
+
+    return relativeLeft;
+  }
+
+  /**
+   * Calculate what the optimal vertical position of the top-left corner of
+   * the bubble is (relative to the anchor point) so that the most area of the
+   * bubble is shown.
+   *
+   * @param viewMetrics The view metrics of the workspace the bubble will appear
+   *     in.
+   * @returns The optimal vertical position of the top-left corner of the
+   *     bubble.
+   */
+  private getOptimalRelativeTop(viewMetrics: ContainerRegion): number {
+    // By default, show the bubble just a bit higher than the anchor.
+    let relativeTop = -this.size.height / 4;
+
+    // No amount of sliding up or down will give us better overlap.
+    if (this.size.height > viewMetrics.height) return relativeTop;
+
+    const top = this.anchor.y + relativeTop;
+    const bottom = top + this.size.height;
+    const workspaceRect = this.getWorkspaceViewRect(viewMetrics);
+
+    if (top < workspaceRect.top) {
+      // Slide the bubble down until it is onscreen.
+      relativeTop = workspaceRect.top - this.anchor.y;
+    } else if (bottom > workspaceRect.bottom) {
+      // Slide the bubble up until it is onscreen.
+      relativeTop = workspaceRect.bottom - this.anchor.y - this.size.height;
+    }
+
+    return relativeTop;
+  }
+
+  /**
+   * @returns a rect defining the bounds of the workspace's view in workspace
+   * coordinates.
+   */
+  private getWorkspaceViewRect(viewMetrics: ContainerRegion): Rect {
+    const top = viewMetrics.top;
+    let bottom = viewMetrics.top + viewMetrics.height;
+    let left = viewMetrics.left;
+    let right = viewMetrics.left + viewMetrics.width;
+
+    bottom -= this.getScrollbarThickness();
+    if (this.workspace.RTL) {
+      left -= this.getScrollbarThickness();
+    } else {
+      right -= this.getScrollbarThickness();
+    }
+
+    return new Rect(top, bottom, left, right);
+  }
+
+  /** @returns the scrollbar thickness in workspace units. */
+  private getScrollbarThickness() {
+    return Scrollbar.scrollbarThickness / this.workspace.scale;
+  }
+
+  /** Draws the tail of the bubble. */
+  private renderTail() {
+    const steps = [];
+    // Find the relative coordinates of the center of the bubble.
+    const relBubbleX = this.size.width / 2;
+    const relBubbleY = this.size.height / 2;
+    // Find the relative coordinates of the center of the anchor.
+    let relAnchorX = -this.relativeLeft;
+    let relAnchorY = -this.relativeTop;
+    if (relBubbleX === relAnchorX && relBubbleY === relAnchorY) {
+      // Null case.  Bubble is directly on top of the anchor.
+      // Short circuit this rather than wade through divide by zeros.
+      steps.push('M ' + relBubbleX + ',' + relBubbleY);
+    } else {
+      // Compute the angle of the tail's line.
+      const rise = relAnchorY - relBubbleY;
+      let run = relAnchorX - relBubbleX;
+      if (this.workspace.RTL) {
+        run *= -1;
+      }
+      const hypotenuse = Math.sqrt(rise * rise + run * run);
+      let angle = Math.acos(run / hypotenuse);
+      if (rise < 0) {
+        angle = 2 * Math.PI - angle;
+      }
+      // Compute a line perpendicular to the tail.
+      let rightAngle = angle + Math.PI / 2;
+      if (rightAngle > Math.PI * 2) {
+        rightAngle -= Math.PI * 2;
+      }
+      const rightRise = Math.sin(rightAngle);
+      const rightRun = Math.cos(rightAngle);
+
+      // Calculate the thickness of the base of the tail.
+      let thickness =
+        (this.size.width + this.size.height) / Bubble.TAIL_THICKNESS;
+      thickness = Math.min(thickness, this.size.width, this.size.height) / 4;
+
+      // Back the tip of the tail off of the anchor.
+      const backoffRatio = 1 - Bubble.ANCHOR_RADIUS / hypotenuse;
+      relAnchorX = relBubbleX + backoffRatio * run;
+      relAnchorY = relBubbleY + backoffRatio * rise;
+
+      // Coordinates for the base of the tail.
+      const baseX1 = relBubbleX + thickness * rightRun;
+      const baseY1 = relBubbleY + thickness * rightRise;
+      const baseX2 = relBubbleX - thickness * rightRun;
+      const baseY2 = relBubbleY - thickness * rightRise;
+
+      // Distortion to curve the tail.
+      const radians = math.toRadians(
+        this.workspace.RTL ? -Bubble.TAIL_ANGLE : Bubble.TAIL_ANGLE,
+      );
+      let swirlAngle = angle + radians;
+      if (swirlAngle > Math.PI * 2) {
+        swirlAngle -= Math.PI * 2;
+      }
+      const swirlRise = (Math.sin(swirlAngle) * hypotenuse) / Bubble.TAIL_BEND;
+      const swirlRun = (Math.cos(swirlAngle) * hypotenuse) / Bubble.TAIL_BEND;
+
+      steps.push('M' + baseX1 + ',' + baseY1);
+      steps.push(
+        'C' +
+          (baseX1 + swirlRun) +
+          ',' +
+          (baseY1 + swirlRise) +
+          ' ' +
+          relAnchorX +
+          ',' +
+          relAnchorY +
+          ' ' +
+          relAnchorX +
+          ',' +
+          relAnchorY,
+      );
+      steps.push(
+        'C' +
+          relAnchorX +
+          ',' +
+          relAnchorY +
+          ' ' +
+          (baseX2 + swirlRun) +
+          ',' +
+          (baseY2 + swirlRise) +
+          ' ' +
+          baseX2 +
+          ',' +
+          baseY2,
+      );
+    }
+    steps.push('z');
+    this.tail?.setAttribute('d', steps.join(' '));
+  }
+  /**
+   * Move this bubble to the front of the visible workspace.
+   *
+   * @returns Whether or not the bubble has been moved.
+   * @internal
+   */
+  bringToFront(): boolean {
+    const svgGroup = this.svgRoot?.parentNode;
+    if (this.svgRoot && svgGroup?.lastChild !== this.svgRoot) {
+      svgGroup?.appendChild(this.svgRoot);
+      return true;
+    }
+    return false;
+  }
+
+  /** @internal */
+  getRelativeToSurfaceXY(): Coordinate {
+    return new Coordinate(
+      this.workspace.RTL
+        ? -this.relativeLeft + this.anchor.x - this.size.width
+        : this.anchor.x + this.relativeLeft,
+      this.anchor.y + this.relativeTop,
+    );
+  }
+
+  /** @internal */
+  getSvgRoot(): SVGElement {
+    return this.svgRoot;
+  }
+
+  /**
+   * Move this bubble during a drag.
+   *
+   * @param newLoc The location to translate to, in workspace coordinates.
+   * @internal
+   */
+  moveDuringDrag(newLoc: Coordinate) {
+    this.moveTo(newLoc.x, newLoc.y);
+    if (this.workspace.RTL) {
+      this.relativeLeft = this.anchor.x - newLoc.x - this.size.width;
+    } else {
+      this.relativeLeft = newLoc.x - this.anchor.x;
+    }
+    this.relativeTop = newLoc.y - this.anchor.y;
+    this.renderTail();
+  }
+
+  setDragging(_start: boolean) {
+    // NOOP in base class.
+  }
+
+  /** @internal */
+  setDeleteStyle(_enable: boolean) {
+    // NOOP in base class.
+  }
+
+  /** @internal */
+  isDeletable(): boolean {
+    return false;
+  }
+
+  /** @internal */
+  showContextMenu(_e: Event) {
+    // NOOP in base class.
+  }
+
+  /** Returns whether this bubble is movable or not. */
+  isMovable(): boolean {
+    return true;
+  }
+
+  /** Starts a drag on the bubble. */
+  startDrag(): void {
+    this.dragStrategy.startDrag();
+  }
+
+  /** Drags the bubble to the given location. */
+  drag(newLoc: Coordinate): void {
+    this.dragStrategy.drag(newLoc);
+  }
+
+  /** Ends the drag on the bubble. */
+  endDrag(): void {
+    this.dragStrategy.endDrag();
+  }
+
+  /** Moves the bubble back to where it was at the start of a drag. */
+  revertDrag(): void {
+    this.dragStrategy.revertDrag();
+  }
+
+  select(): void {
+    // Bubbles don't have any visual for being selected.
+  }
+
+  unselect(): void {
+    // Bubbles don't have any visual for being selected.
+  }
+}
diff --git a/core/bubbles/mini_workspace_bubble.ts b/core/bubbles/mini_workspace_bubble.ts
new file mode 100644
index 00000000000..74317d57bc1
--- /dev/null
+++ b/core/bubbles/mini_workspace_bubble.ts
@@ -0,0 +1,279 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {Abstract as AbstractEvent} from '../events/events_abstract.js';
+import type {BlocklyOptions} from '../blockly_options.js';
+import {Bubble} from './bubble.js';
+import {Coordinate} from '../utils/coordinate.js';
+import * as dom from '../utils/dom.js';
+import {Options} from '../options.js';
+import {Svg} from '../utils/svg.js';
+import type {Rect} from '../utils/rect.js';
+import {Size} from '../utils/size.js';
+import type {WorkspaceSvg} from '../workspace_svg.js';
+
+/**
+ * A bubble that contains a mini-workspace which can hold arbitrary blocks.
+ * Used by the mutator icon.
+ */
+export class MiniWorkspaceBubble extends Bubble {
+  /**
+   * The minimum amount of change to the mini workspace view to trigger
+   * resizing the bubble.
+   */
+  private static readonly MINIMUM_VIEW_CHANGE = 10;
+
+  /**
+   * An arbitrary margin of whitespace to put around the blocks in the
+   * workspace.
+   */
+  private static readonly MARGIN = Bubble.DOUBLE_BORDER * 3;
+
+  /** The root svg element containing the workspace. */
+  private svgDialog: SVGElement;
+
+  /** The workspace that gets shown within this bubble. */
+  private miniWorkspace: WorkspaceSvg;
+
+  /**
+   * Should this bubble automatically reposition itself when it resizes?
+   * Becomes false after this bubble is first dragged.
+   */
+  private autoLayout = true;
+
+  /** @internal */
+  constructor(
+    workspaceOptions: BlocklyOptions,
+    public readonly workspace: WorkspaceSvg,
+    protected anchor: Coordinate,
+    protected ownerRect?: Rect,
+  ) {
+    super(workspace, anchor, ownerRect);
+    const options = new Options(workspaceOptions);
+    this.validateWorkspaceOptions(options);
+
+    this.svgDialog = dom.createSvgElement(
+      Svg.SVG,
+      {
+        'x': Bubble.BORDER_WIDTH,
+        'y': Bubble.BORDER_WIDTH,
+      },
+      this.contentContainer,
+    );
+    workspaceOptions.parentWorkspace = this.workspace;
+    this.miniWorkspace = this.newWorkspaceSvg(new Options(workspaceOptions));
+    // TODO (#7422): Change this to `internalIsMiniWorkspace` or something. Not
+    //   all mini workspaces are necessarily mutators.
+    this.miniWorkspace.internalIsMutator = true;
+    const background = this.miniWorkspace.createDom('blocklyMutatorBackground');
+    this.svgDialog.appendChild(background);
+    if (options.languageTree) {
+      background.insertBefore(
+        this.miniWorkspace.addFlyout(Svg.G),
+        this.miniWorkspace.getCanvas(),
+      );
+      const flyout = this.miniWorkspace.getFlyout();
+      flyout?.init(this.miniWorkspace);
+      flyout?.show(options.languageTree);
+    }
+
+    this.miniWorkspace.addChangeListener(this.onWorkspaceChange.bind(this));
+    this.miniWorkspace
+      .getFlyout()
+      ?.getWorkspace()
+      ?.addChangeListener(this.onWorkspaceChange.bind(this));
+    this.updateBubbleSize();
+  }
+
+  dispose() {
+    this.miniWorkspace.dispose();
+    super.dispose();
+  }
+
+  /** @internal */
+  getWorkspace(): WorkspaceSvg {
+    return this.miniWorkspace;
+  }
+
+  /** Adds a change listener to the mini workspace. */
+  addWorkspaceChangeListener(listener: (e: AbstractEvent) => void) {
+    this.miniWorkspace.addChangeListener(listener);
+  }
+
+  /**
+   * Validates the workspace options to make sure folks aren't trying to
+   * enable things the miniworkspace doesn't support.
+   */
+  private validateWorkspaceOptions(options: Options) {
+    if (options.hasCategories) {
+      throw new Error(
+        'The miniworkspace bubble does not support toolboxes with categories',
+      );
+    }
+    if (options.hasTrashcan) {
+      throw new Error('The miniworkspace bubble does not support trashcans');
+    }
+    if (
+      options.zoomOptions.controls ||
+      options.zoomOptions.wheel ||
+      options.zoomOptions.pinch
+    ) {
+      throw new Error('The miniworkspace bubble does not support zooming');
+    }
+    if (
+      options.moveOptions.scrollbars ||
+      options.moveOptions.wheel ||
+      options.moveOptions.drag
+    ) {
+      throw new Error(
+        'The miniworkspace bubble does not scrolling/moving the workspace',
+      );
+    }
+    if (options.horizontalLayout) {
+      throw new Error(
+        'The miniworkspace bubble does not support horizontal layouts',
+      );
+    }
+  }
+
+  private onWorkspaceChange() {
+    this.bumpBlocksIntoBounds();
+    this.updateBubbleSize();
+  }
+
+  /**
+   * Bumps blocks that are above the top or outside the start-side of the
+   * workspace back within the workspace.
+   *
+   * Blocks that are below the bottom or outside the end-side of the workspace
+   * are dealt with by resizing the workspace to show them.
+   */
+  private bumpBlocksIntoBounds() {
+    if (this.miniWorkspace.isDragging()) return;
+
+    const MARGIN = 20;
+
+    for (const block of this.miniWorkspace.getTopBlocks(false)) {
+      const blockXY = block.getRelativeToSurfaceXY();
+
+      // Bump any block that's above the top back inside.
+      if (blockXY.y < MARGIN) {
+        block.moveBy(0, MARGIN - blockXY.y);
+      }
+      // Bump any block overlapping the flyout back inside.
+      if (block.RTL) {
+        let right = -MARGIN;
+        const flyout = this.miniWorkspace.getFlyout();
+        if (flyout) {
+          right -= flyout.getWidth();
+        }
+        if (blockXY.x > right) {
+          block.moveBy(right - blockXY.x, 0);
+        }
+      } else if (blockXY.x < MARGIN) {
+        block.moveBy(MARGIN - blockXY.x, 0);
+      }
+    }
+  }
+
+  /**
+   * Updates the size of this bubble to account for the size of the
+   * mini workspace.
+   */
+  private updateBubbleSize() {
+    if (this.miniWorkspace.isDragging()) return;
+
+    const currSize = this.getSize();
+    const newSize = this.calculateWorkspaceSize();
+    if (
+      Math.abs(currSize.width - newSize.width) <
+        MiniWorkspaceBubble.MINIMUM_VIEW_CHANGE &&
+      Math.abs(currSize.height - newSize.height) <
+        MiniWorkspaceBubble.MINIMUM_VIEW_CHANGE
+    ) {
+      // Only resize if the size has noticeably changed.
+      return;
+    }
+    this.svgDialog.setAttribute('width', `${newSize.width}px`);
+    this.svgDialog.setAttribute('height', `${newSize.height}px`);
+    this.miniWorkspace.setCachedParentSvgSize(newSize.width, newSize.height);
+    if (this.miniWorkspace.RTL) {
+      // Scroll the workspace to always left-align.
+      this.miniWorkspace
+        .getCanvas()
+        .setAttribute('transform', `translate(${newSize.width}, 0)`);
+    }
+    this.setSize(
+      new Size(
+        newSize.width + Bubble.DOUBLE_BORDER,
+        newSize.height + Bubble.DOUBLE_BORDER,
+      ),
+      this.autoLayout,
+    );
+    this.miniWorkspace.resize();
+    this.miniWorkspace.recordDragTargets();
+  }
+
+  /**
+   * Calculates the size of the mini workspace for use in resizing the bubble.
+   */
+  private calculateWorkspaceSize(): Size {
+    const workspaceSize = this.miniWorkspace.getCanvas().getBBox();
+    let width = workspaceSize.width + MiniWorkspaceBubble.MARGIN;
+    let height = workspaceSize.height + MiniWorkspaceBubble.MARGIN;
+
+    const flyout = this.miniWorkspace.getFlyout();
+    if (flyout) {
+      const flyoutScrollMetrics = flyout
+        .getWorkspace()
+        .getMetricsManager()
+        .getScrollMetrics();
+      height = Math.max(height, flyoutScrollMetrics.height + 20);
+      width += flyout.getWidth();
+    }
+    return new Size(width, height);
+  }
+
+  /** Reapplies styles to all of the blocks in the mini workspace. */
+  updateBlockStyles() {
+    for (const block of this.miniWorkspace.getAllBlocks(false)) {
+      block.setStyle(block.getStyleName());
+    }
+
+    const flyoutWs = this.miniWorkspace.getFlyout()?.getWorkspace();
+    if (flyoutWs) {
+      for (const block of flyoutWs.getAllBlocks(false)) {
+        block.setStyle(block.getStyleName());
+      }
+    }
+  }
+
+  /**
+   * Move this bubble during a drag.
+   *
+   * @param newLoc The location to translate to, in workspace coordinates.
+   * @internal
+   */
+  moveDuringDrag(newLoc: Coordinate): void {
+    super.moveDuringDrag(newLoc);
+    this.autoLayout = false;
+  }
+
+  /** @internal */
+  moveTo(x: number, y: number): void {
+    super.moveTo(x, y);
+    this.miniWorkspace.recordDragTargets();
+  }
+
+  /** @internal */
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  newWorkspaceSvg(options: Options): WorkspaceSvg {
+    throw new Error(
+      'The implementation of newWorkspaceSvg should be ' +
+        'monkey-patched in by blockly.ts',
+    );
+  }
+}
diff --git a/core/bubbles/text_bubble.ts b/core/bubbles/text_bubble.ts
new file mode 100644
index 00000000000..020ab4f2ec1
--- /dev/null
+++ b/core/bubbles/text_bubble.ts
@@ -0,0 +1,102 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {Bubble} from './bubble.js';
+import {Coordinate} from '../utils/coordinate.js';
+import * as dom from '../utils/dom.js';
+import {Rect} from '../utils/rect.js';
+import {Size} from '../utils/size.js';
+import {Svg} from '../utils/svg.js';
+import {WorkspaceSvg} from '../workspace_svg.js';
+
+/**
+ * A bubble that displays non-editable text. Used by the warning icon.
+ */
+export class TextBubble extends Bubble {
+  private paragraph: SVGTextElement;
+
+  constructor(
+    private text: string,
+    public readonly workspace: WorkspaceSvg,
+    protected anchor: Coordinate,
+    protected ownerRect?: Rect,
+  ) {
+    super(workspace, anchor, ownerRect);
+    this.paragraph = this.stringToSvg(text, this.contentContainer);
+    this.updateBubbleSize();
+  }
+
+  /** @returns the current text of this text bubble. */
+  getText(): string {
+    return this.text;
+  }
+
+  /** Sets the current text of this text bubble, and updates the display. */
+  setText(text: string) {
+    this.text = text;
+    dom.removeNode(this.paragraph);
+    this.paragraph = this.stringToSvg(text, this.contentContainer);
+    this.updateBubbleSize();
+  }
+
+  /**
+   * Converts the given string into an svg containing that string,
+   * broken up by newlines.
+   */
+  private stringToSvg(text: string, container: SVGGElement) {
+    const paragraph = this.createParagraph(container);
+    const spans = this.createSpans(paragraph, text);
+    if (this.workspace.RTL)
+      this.rightAlignSpans(paragraph.getBBox().width, spans);
+    return paragraph;
+  }
+
+  /** Creates the paragraph container for this bubble's view's spans. */
+  private createParagraph(container: SVGGElement): SVGTextElement {
+    return dom.createSvgElement(
+      Svg.TEXT,
+      {
+        'class': 'blocklyText blocklyBubbleText blocklyNoPointerEvents',
+        'y': Bubble.BORDER_WIDTH,
+      },
+      container,
+    );
+  }
+
+  /** Creates the spans visualizing the text of this bubble. */
+  private createSpans(parent: SVGTextElement, text: string): SVGTSpanElement[] {
+    return text.split('\n').map((line) => {
+      const tspan = dom.createSvgElement(
+        Svg.TSPAN,
+        {'dy': '1em', 'x': Bubble.BORDER_WIDTH},
+        parent,
+      );
+      const textNode = document.createTextNode(line);
+      tspan.appendChild(textNode);
+      return tspan;
+    });
+  }
+
+  /** Right aligns the given spans. */
+  private rightAlignSpans(maxWidth: number, spans: SVGTSpanElement[]) {
+    for (const span of spans) {
+      span.setAttribute('text-anchor', 'end');
+      span.setAttribute('x', `${maxWidth + Bubble.BORDER_WIDTH}`);
+    }
+  }
+
+  /** Updates the size of this bubble to account for the size of the text. */
+  private updateBubbleSize() {
+    const bbox = this.paragraph.getBBox();
+    this.setSize(
+      new Size(
+        bbox.width + Bubble.BORDER_WIDTH * 2,
+        bbox.height + Bubble.BORDER_WIDTH * 2,
+      ),
+      true,
+    );
+  }
+}
diff --git a/core/bubbles/textinput_bubble.ts b/core/bubbles/textinput_bubble.ts
new file mode 100644
index 00000000000..d7d1f5ae7db
--- /dev/null
+++ b/core/bubbles/textinput_bubble.ts
@@ -0,0 +1,314 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {Bubble} from './bubble.js';
+import {Coordinate} from '../utils/coordinate.js';
+import * as Css from '../css.js';
+import * as dom from '../utils/dom.js';
+import {Rect} from '../utils/rect.js';
+import {Size} from '../utils/size.js';
+import {Svg} from '../utils/svg.js';
+import * as touch from '../touch.js';
+import {WorkspaceSvg} from '../workspace_svg.js';
+import {browserEvents} from '../utils.js';
+
+/**
+ * A bubble that displays editable text. It can also be resized by the user.
+ * Used by the comment icon.
+ */
+export class TextInputBubble extends Bubble {
+  /** The root of the elements specific to the text element. */
+  private inputRoot: SVGForeignObjectElement;
+
+  /** The text input area element. */
+  private textArea: HTMLTextAreaElement;
+
+  /** The group containing the lines indicating the bubble is resizable. */
+  private resizeGroup: SVGGElement;
+
+  /**
+   * Event data associated with the listener for pointer up events on the
+   * resize group.
+   */
+  private resizePointerUpListener: browserEvents.Data | null = null;
+
+  /**
+   * Event data associated with the listener for pointer move events on the
+   * resize group.
+   */
+  private resizePointerMoveListener: browserEvents.Data | null = null;
+
+  /** Functions listening for changes to the text of this bubble. */
+  private textChangeListeners: (() => void)[] = [];
+
+  /** Functions listening for changes to the size of this bubble. */
+  private sizeChangeListeners: (() => void)[] = [];
+
+  /** The text of this bubble. */
+  private text = '';
+
+  /** The default size of this bubble, including borders. */
+  private readonly DEFAULT_SIZE = new Size(
+    160 + Bubble.DOUBLE_BORDER,
+    80 + Bubble.DOUBLE_BORDER,
+  );
+
+  /** The minimum size of this bubble, including borders. */
+  private readonly MIN_SIZE = new Size(
+    45 + Bubble.DOUBLE_BORDER,
+    20 + Bubble.DOUBLE_BORDER,
+  );
+
+  /**
+   * @param workspace The workspace this bubble belongs to.
+   * @param anchor The anchor location of the thing this bubble is attached to.
+   *     The tail of the bubble will point to this location.
+   * @param ownerRect An optional rect we don't want the bubble to overlap with
+   *     when automatically positioning.
+   */
+  constructor(
+    public readonly workspace: WorkspaceSvg,
+    protected anchor: Coordinate,
+    protected ownerRect?: Rect,
+  ) {
+    super(workspace, anchor, ownerRect);
+    dom.addClass(this.svgRoot, 'blocklyTextInputBubble');
+    ({inputRoot: this.inputRoot, textArea: this.textArea} = this.createEditor(
+      this.contentContainer,
+    ));
+    this.resizeGroup = this.createResizeHandle(this.svgRoot, workspace);
+    this.setSize(this.DEFAULT_SIZE, true);
+  }
+
+  /** @returns the text of this bubble. */
+  getText(): string {
+    return this.text;
+  }
+
+  /** Sets the text of this bubble. Calls change listeners. */
+  setText(text: string) {
+    this.text = text;
+    this.textArea.value = text;
+    this.onTextChange();
+  }
+
+  /** Adds a change listener to be notified when this bubble's text changes. */
+  addTextChangeListener(listener: () => void) {
+    this.textChangeListeners.push(listener);
+  }
+
+  /** Adds a change listener to be notified when this bubble's size changes. */
+  addSizeChangeListener(listener: () => void) {
+    this.sizeChangeListeners.push(listener);
+  }
+
+  /** Creates the editor UI for this bubble. */
+  private createEditor(container: SVGGElement): {
+    inputRoot: SVGForeignObjectElement;
+    textArea: HTMLTextAreaElement;
+  } {
+    const inputRoot = dom.createSvgElement(
+      Svg.FOREIGNOBJECT,
+      {
+        'x': Bubble.BORDER_WIDTH,
+        'y': Bubble.BORDER_WIDTH,
+      },
+      container,
+    );
+
+    const body = document.createElementNS(dom.HTML_NS, 'body');
+    body.setAttribute('xmlns', dom.HTML_NS);
+    body.className = 'blocklyMinimalBody';
+
+    const textArea = document.createElementNS(
+      dom.HTML_NS,
+      'textarea',
+    ) as HTMLTextAreaElement;
+    textArea.className = 'blocklyTextarea blocklyText';
+    textArea.setAttribute('dir', this.workspace.RTL ? 'RTL' : 'LTR');
+
+    body.appendChild(textArea);
+    inputRoot.appendChild(body);
+
+    this.bindTextAreaEvents(textArea);
+    setTimeout(() => {
+      textArea.focus();
+    }, 0);
+
+    return {inputRoot, textArea};
+  }
+
+  /** Binds events to the text area element. */
+  private bindTextAreaEvents(textArea: HTMLTextAreaElement) {
+    // Don't zoom with mousewheel; let it scroll instead.
+    browserEvents.conditionalBind(textArea, 'wheel', this, (e: Event) => {
+      e.stopPropagation();
+    });
+
+    browserEvents.conditionalBind(
+      textArea,
+      'focus',
+      this,
+      this.onStartEdit,
+      true,
+    );
+    browserEvents.conditionalBind(textArea, 'change', this, this.onTextChange);
+  }
+
+  /** Creates the resize handler elements and binds events to them. */
+  private createResizeHandle(
+    container: SVGGElement,
+    workspace: WorkspaceSvg,
+  ): SVGGElement {
+    const resizeHandle = dom.createSvgElement(
+      Svg.IMAGE,
+      {
+        'class': 'blocklyResizeHandle',
+        'href': `${workspace.options.pathToMedia}resize-handle.svg`,
+      },
+      container,
+    );
+
+    browserEvents.conditionalBind(
+      resizeHandle,
+      'pointerdown',
+      this,
+      this.onResizePointerDown,
+    );
+
+    return resizeHandle;
+  }
+
+  /**
+   * Sets the size of this bubble, including the border.
+   *
+   * @param size Sets the size of this bubble, including the border.
+   * @param relayout If true, reposition the bubble from scratch so that it is
+   *     optimally visible. If false, reposition it so it maintains the same
+   *     position relative to the anchor.
+   */
+  setSize(size: Size, relayout = false) {
+    size.width = Math.max(size.width, this.MIN_SIZE.width);
+    size.height = Math.max(size.height, this.MIN_SIZE.height);
+
+    const widthMinusBorder = size.width - Bubble.DOUBLE_BORDER;
+    const heightMinusBorder = size.height - Bubble.DOUBLE_BORDER;
+    this.inputRoot.setAttribute('width', `${widthMinusBorder}`);
+    this.inputRoot.setAttribute('height', `${heightMinusBorder}`);
+
+    this.resizeGroup.setAttribute('y', `${heightMinusBorder}`);
+    if (this.workspace.RTL) {
+      this.resizeGroup.setAttribute('x', `${-Bubble.DOUBLE_BORDER}`);
+    } else {
+      this.resizeGroup.setAttribute('x', `${widthMinusBorder}`);
+    }
+
+    super.setSize(size, relayout);
+    this.onSizeChange();
+  }
+
+  /** @returns the size of this bubble. */
+  getSize(): Size {
+    // Overriden to be public.
+    return super.getSize();
+  }
+
+  /** Handles mouse down events on the resize target. */
+  private onResizePointerDown(e: PointerEvent) {
+    this.bringToFront();
+    if (browserEvents.isRightButton(e)) {
+      e.stopPropagation();
+      return;
+    }
+
+    this.workspace.startDrag(
+      e,
+      new Coordinate(
+        this.workspace.RTL ? -this.getSize().width : this.getSize().width,
+        this.getSize().height,
+      ),
+    );
+
+    this.resizePointerUpListener = browserEvents.conditionalBind(
+      document,
+      'pointerup',
+      this,
+      this.onResizePointerUp,
+    );
+    this.resizePointerMoveListener = browserEvents.conditionalBind(
+      document,
+      'pointermove',
+      this,
+      this.onResizePointerMove,
+    );
+    this.workspace.hideChaff();
+    // This event has been handled.  No need to bubble up to the document.
+    e.stopPropagation();
+  }
+
+  /** Handles pointer up events on the resize target. */
+  private onResizePointerUp(_e: PointerEvent) {
+    touch.clearTouchIdentifier();
+    if (this.resizePointerUpListener) {
+      browserEvents.unbind(this.resizePointerUpListener);
+      this.resizePointerUpListener = null;
+    }
+    if (this.resizePointerMoveListener) {
+      browserEvents.unbind(this.resizePointerMoveListener);
+      this.resizePointerMoveListener = null;
+    }
+  }
+
+  /** Handles pointer move events on the resize target. */
+  private onResizePointerMove(e: PointerEvent) {
+    const delta = this.workspace.moveDrag(e);
+    this.setSize(
+      new Size(this.workspace.RTL ? -delta.x : delta.x, delta.y),
+      false,
+    );
+    this.onSizeChange();
+  }
+
+  /**
+   * Handles starting an edit of the text area. Brings the bubble to the front.
+   */
+  private onStartEdit() {
+    if (this.bringToFront()) {
+      // Since the act of moving this node within the DOM causes a loss of
+      // focus, we need to reapply the focus.
+      this.textArea.focus();
+    }
+  }
+
+  /** Handles a text change event for the text area. Calls event listeners. */
+  private onTextChange() {
+    this.text = this.textArea.value;
+    for (const listener of this.textChangeListeners) {
+      listener();
+    }
+  }
+
+  /** Handles a size change event for the text area. Calls event listeners. */
+  private onSizeChange() {
+    for (const listener of this.sizeChangeListeners) {
+      listener();
+    }
+  }
+}
+
+Css.register(`
+.blocklyTextInputBubble .blocklyTextarea {
+  background-color: var(--commentFillColour);
+  border: 0;
+  box-sizing: border-box;
+  display: block;
+  outline: 0;
+  padding: 5px;
+  resize: none;
+  width: 100%;
+  height: 100%;
+}
+`);
diff --git a/core/bump_objects.ts b/core/bump_objects.ts
new file mode 100644
index 00000000000..3ceae2dbcfd
--- /dev/null
+++ b/core/bump_objects.ts
@@ -0,0 +1,190 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.bumpObjects
+
+import {RenderedWorkspaceComment} from './comments/rendered_workspace_comment.js';
+import type {Abstract} from './events/events_abstract.js';
+import type {BlockCreate} from './events/events_block_create.js';
+import type {BlockMove} from './events/events_block_move.js';
+import type {CommentCreate} from './events/events_comment_create.js';
+import type {CommentMove} from './events/events_comment_move.js';
+import type {ViewportChange} from './events/events_viewport.js';
+import * as eventUtils from './events/utils.js';
+import type {IBoundedElement} from './interfaces/i_bounded_element.js';
+import type {ContainerRegion} from './metrics_manager.js';
+import * as mathUtils from './utils/math.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * Bumps the given object that has passed out of bounds.
+ *
+ * @param workspace The workspace containing the object.
+ * @param bounds The region to bump an object into. For example, pass
+ *     ScrollMetrics to bump a block into the scrollable region of the
+ *     workspace, or pass ViewMetrics to bump a block into the visible region of
+ *     the workspace. This should be specified in workspace coordinates.
+ * @param object The object to bump.
+ * @returns True if object was bumped.
+ */
+function bumpObjectIntoBounds(
+  workspace: WorkspaceSvg,
+  bounds: ContainerRegion,
+  object: IBoundedElement,
+): boolean {
+  // Compute new top/left position for object.
+  const objectMetrics = object.getBoundingRectangle();
+  const height = objectMetrics.bottom - objectMetrics.top;
+  const width = objectMetrics.right - objectMetrics.left;
+
+  const topClamp = bounds.top;
+  const boundsBottom = bounds.top + bounds.height;
+  const bottomClamp = boundsBottom - height;
+  // If the object is taller than the workspace we want to
+  // top-align the block
+  const newYPosition = mathUtils.clamp(
+    topClamp,
+    objectMetrics.top,
+    bottomClamp,
+  );
+  const deltaY = newYPosition - objectMetrics.top;
+
+  // Note: Even in RTL mode the "anchor" of the object is the
+  // top-left corner of the object.
+  let leftClamp = bounds.left;
+  const boundsRight = bounds.left + bounds.width;
+  let rightClamp = boundsRight - width;
+  if (workspace.RTL) {
+    // If the object is wider than the workspace and we're in RTL
+    // mode we want to right-align the block, which means setting
+    // the left clamp to match.
+    leftClamp = Math.min(rightClamp, leftClamp);
+  } else {
+    // If the object is wider than the workspace and we're in LTR
+    // mode we want to left-align the block, which means setting
+    // the right clamp to match.
+    rightClamp = Math.max(leftClamp, rightClamp);
+  }
+  const newXPosition = mathUtils.clamp(
+    leftClamp,
+    objectMetrics.left,
+    rightClamp,
+  );
+  const deltaX = newXPosition - objectMetrics.left;
+
+  if (deltaX || deltaY) {
+    object.moveBy(deltaX, deltaY, ['inbounds']);
+    return true;
+  }
+  return false;
+}
+export const bumpIntoBounds = bumpObjectIntoBounds;
+
+/**
+ * Creates a handler for bumping objects when they cross fixed bounds.
+ *
+ * @param workspace The workspace to handle.
+ * @returns The event handler.
+ */
+export function bumpIntoBoundsHandler(
+  workspace: WorkspaceSvg,
+): (p1: Abstract) => void {
+  return (e) => {
+    const metricsManager = workspace.getMetricsManager();
+    if (!metricsManager.hasFixedEdges() || workspace.isDragging()) {
+      return;
+    }
+
+    if (eventUtils.BUMP_EVENTS.includes(e.type ?? '')) {
+      const scrollMetricsInWsCoords = metricsManager.getScrollMetrics(true);
+
+      // Triggered by move/create event
+      const object = extractObjectFromEvent(
+        workspace,
+        e as eventUtils.BumpEvent,
+      );
+      if (!object) {
+        return;
+      }
+      // Handle undo.
+      const existingGroup = eventUtils.getGroup() || false;
+      eventUtils.setGroup(e.group);
+
+      const wasBumped = bumpObjectIntoBounds(
+        workspace,
+        scrollMetricsInWsCoords,
+        object as IBoundedElement,
+      );
+
+      if (wasBumped && !e.group) {
+        console.warn(
+          'Moved object in bounds but there was no' +
+            ' event group. This may break undo.',
+        );
+      }
+      eventUtils.setGroup(existingGroup);
+    } else if (e.type === eventUtils.VIEWPORT_CHANGE) {
+      const viewportEvent = e as ViewportChange;
+      if (
+        viewportEvent.scale &&
+        viewportEvent.oldScale &&
+        viewportEvent.scale > viewportEvent.oldScale
+      ) {
+        bumpTopObjectsIntoBounds(workspace);
+      }
+    }
+  };
+}
+
+/**
+ * Extracts the object from the given event.
+ *
+ * @param workspace The workspace the event originated
+ *    from.
+ * @param e An event containing an object.
+ * @returns The extracted
+ *    object.
+ */
+function extractObjectFromEvent(
+  workspace: WorkspaceSvg,
+  e: eventUtils.BumpEvent,
+): IBoundedElement | null {
+  let object = null;
+  switch (e.type) {
+    case eventUtils.BLOCK_CREATE:
+    case eventUtils.BLOCK_MOVE:
+      object = workspace.getBlockById((e as BlockCreate | BlockMove).blockId!);
+      if (object) {
+        object = object.getRootBlock();
+      }
+      break;
+    case eventUtils.COMMENT_CREATE:
+    case eventUtils.COMMENT_MOVE:
+      object = workspace.getCommentById(
+        (e as CommentCreate | CommentMove).commentId!,
+      ) as RenderedWorkspaceComment;
+      break;
+  }
+  return object;
+}
+
+/**
+ * Bumps the top objects in the given workspace into bounds.
+ *
+ * @param workspace The workspace.
+ */
+export function bumpTopObjectsIntoBounds(workspace: WorkspaceSvg) {
+  const metricsManager = workspace.getMetricsManager();
+  if (!metricsManager.hasFixedEdges() || workspace.isDragging()) {
+    return;
+  }
+
+  const scrollMetricsInWsCoords = metricsManager.getScrollMetrics(true);
+  const topBlocks = workspace.getTopBoundedElements();
+  for (let i = 0, block; (block = topBlocks[i]); i++) {
+    bumpObjectIntoBounds(workspace, scrollMetricsInWsCoords, block);
+  }
+}
diff --git a/core/clipboard.ts b/core/clipboard.ts
new file mode 100644
index 00000000000..ed574d11287
--- /dev/null
+++ b/core/clipboard.ts
@@ -0,0 +1,113 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.clipboard
+
+import type {ICopyData, ICopyable} from './interfaces/i_copyable.js';
+import {BlockPaster} from './clipboard/block_paster.js';
+import * as globalRegistry from './registry.js';
+import {WorkspaceSvg} from './workspace_svg.js';
+import * as registry from './clipboard/registry.js';
+import {Coordinate} from './utils/coordinate.js';
+
+/** Metadata about the object that is currently on the clipboard. */
+let stashedCopyData: ICopyData | null = null;
+
+let stashedWorkspace: WorkspaceSvg | null = null;
+
+/**
+ * Private version of copy for stubbing in tests.
+ */
+function copyInternal<T extends ICopyData>(toCopy: ICopyable<T>): T | null {
+  const data = toCopy.toCopyData();
+  stashedCopyData = data;
+  stashedWorkspace = (toCopy as any).workspace ?? null;
+  return data;
+}
+
+/**
+ * Paste a pasteable element into the workspace.
+ *
+ * @param copyData The data to paste into the workspace.
+ * @param workspace The workspace to paste the data into.
+ * @param coordinate The location to paste the thing at.
+ * @returns The pasted thing if the paste was successful, null otherwise.
+ */
+export function paste<T extends ICopyData>(
+  copyData: T,
+  workspace: WorkspaceSvg,
+  coordinate?: Coordinate,
+): ICopyable<T> | null;
+
+/**
+ * Pastes the last copied ICopyable into the workspace.
+ *
+ * @returns the pasted thing if the paste was successful, null otherwise.
+ */
+export function paste(): ICopyable<ICopyData> | null;
+
+/**
+ * Pastes the given data into the workspace, or the last copied ICopyable if
+ * no data is passed.
+ *
+ * @param copyData The data to paste into the workspace.
+ * @param workspace The workspace to paste the data into.
+ * @param coordinate The location to paste the thing at.
+ * @returns The pasted thing if the paste was successful, null otherwise.
+ */
+export function paste<T extends ICopyData>(
+  copyData?: T,
+  workspace?: WorkspaceSvg,
+  coordinate?: Coordinate,
+): ICopyable<ICopyData> | null {
+  if (!copyData || !workspace) {
+    if (!stashedCopyData || !stashedWorkspace) return null;
+    return pasteFromData(stashedCopyData, stashedWorkspace);
+  }
+  return pasteFromData(copyData, workspace, coordinate);
+}
+
+/**
+ * Paste a pasteable element into the workspace.
+ *
+ * @param copyData The data to paste into the workspace.
+ * @param workspace The workspace to paste the data into.
+ * @param coordinate The location to paste the thing at.
+ * @returns The pasted thing if the paste was successful, null otherwise.
+ */
+function pasteFromData<T extends ICopyData>(
+  copyData: T,
+  workspace: WorkspaceSvg,
+  coordinate?: Coordinate,
+): ICopyable<T> | null {
+  workspace = workspace.getRootWorkspace() ?? workspace;
+  return (globalRegistry
+    .getObject(globalRegistry.Type.PASTER, copyData.paster, false)
+    ?.paste(copyData, workspace, coordinate) ?? null) as ICopyable<T> | null;
+}
+
+/**
+ * Private version of duplicate for stubbing in tests.
+ */
+function duplicateInternal<
+  U extends ICopyData,
+  T extends ICopyable<U> & IHasWorkspace,
+>(toDuplicate: T): T | null {
+  const data = toDuplicate.toCopyData();
+  if (!data) return null;
+  return paste(data, toDuplicate.workspace) as T;
+}
+
+interface IHasWorkspace {
+  workspace: WorkspaceSvg;
+}
+
+export const TEST_ONLY = {
+  duplicateInternal,
+  copyInternal,
+};
+
+export {BlockPaster, registry};
diff --git a/core/clipboard/block_paster.ts b/core/clipboard/block_paster.ts
new file mode 100644
index 00000000000..f82adf2b385
--- /dev/null
+++ b/core/clipboard/block_paster.ts
@@ -0,0 +1,142 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {BlockSvg} from '../block_svg.js';
+import * as registry from './registry.js';
+import {ICopyData} from '../interfaces/i_copyable.js';
+import {IPaster} from '../interfaces/i_paster.js';
+import {State, append} from '../serialization/blocks.js';
+import {Coordinate} from '../utils/coordinate.js';
+import {WorkspaceSvg} from '../workspace_svg.js';
+import * as eventUtils from '../events/utils.js';
+import {config} from '../config.js';
+import * as common from '../common.js';
+
+export class BlockPaster implements IPaster<BlockCopyData, BlockSvg> {
+  static TYPE = 'block';
+
+  paste(
+    copyData: BlockCopyData,
+    workspace: WorkspaceSvg,
+    coordinate?: Coordinate,
+  ): BlockSvg | null {
+    if (!workspace.isCapacityAvailable(copyData.typeCounts!)) return null;
+
+    if (coordinate) {
+      copyData.blockState['x'] = coordinate.x;
+      copyData.blockState['y'] = coordinate.y;
+    }
+
+    // After appending the block to the workspace, it will be bumped from its neighbors
+    // However, the algorithm for deciding where to paste a block depends on
+    // the starting position of the copied block, so we'll pass those coordinates along
+    const initialCoordinates =
+      coordinate ||
+      new Coordinate(
+        copyData.blockState['x'] || 0,
+        copyData.blockState['y'] || 0,
+      );
+
+    eventUtils.disable();
+    let block;
+    try {
+      block = append(copyData.blockState, workspace) as BlockSvg;
+      moveBlockToNotConflict(block, initialCoordinates);
+    } finally {
+      eventUtils.enable();
+    }
+
+    if (!block) return block;
+
+    if (eventUtils.isEnabled() && !block.isShadow()) {
+      eventUtils.fire(new (eventUtils.get(eventUtils.BLOCK_CREATE))(block));
+    }
+    common.setSelected(block);
+    return block;
+  }
+}
+
+/**
+ * Moves the given block to a location where it does not: (1) overlap exactly
+ * with any other blocks, or (2) look like it is connected to any other blocks.
+ *
+ * Exported for testing.
+ *
+ * @param block The block to move to an unambiguous location.
+ * @param originalPosition The initial coordinate to start searching from,
+ *    likely the position of the copied block.
+ * @internal
+ */
+export function moveBlockToNotConflict(
+  block: BlockSvg,
+  originalPosition: Coordinate,
+) {
+  const workspace = block.workspace;
+  const snapRadius = config.snapRadius;
+  const bumpOffset = Coordinate.difference(
+    originalPosition,
+    block.getRelativeToSurfaceXY(),
+  );
+  const offset = new Coordinate(0, 0);
+  // getRelativeToSurfaceXY is really expensive, so we want to cache this.
+  const otherCoords = workspace
+    .getAllBlocks(false)
+    .filter((otherBlock) => otherBlock.id != block.id)
+    .map((b) => b.getRelativeToSurfaceXY());
+
+  while (
+    blockOverlapsOtherExactly(
+      Coordinate.sum(originalPosition, offset),
+      otherCoords,
+    ) ||
+    blockIsInSnapRadius(block, Coordinate.sum(bumpOffset, offset), snapRadius)
+  ) {
+    if (workspace.RTL) {
+      offset.translate(-snapRadius, snapRadius * 2);
+    } else {
+      offset.translate(snapRadius, snapRadius * 2);
+    }
+  }
+
+  block!.moveTo(Coordinate.sum(originalPosition, offset));
+}
+
+/**
+ * @returns true if the given block coordinates are less than a delta of 1 from
+ *     any of the other coordinates.
+ */
+function blockOverlapsOtherExactly(
+  coord: Coordinate,
+  otherCoords: Coordinate[],
+): boolean {
+  return otherCoords.some(
+    (otherCoord) =>
+      Math.abs(otherCoord.x - coord.x) <= 1 &&
+      Math.abs(otherCoord.y - coord.y) <= 1,
+  );
+}
+
+/**
+ * @returns true if the given block (when offset by the given amount) is close
+ *     enough to any other connections (within the snap radius) that it looks
+ *     like they could connect.
+ */
+function blockIsInSnapRadius(
+  block: BlockSvg,
+  offset: Coordinate,
+  snapRadius: number,
+): boolean {
+  return block
+    .getConnections_(false)
+    .some((connection) => !!connection.closest(snapRadius, offset).connection);
+}
+
+export interface BlockCopyData extends ICopyData {
+  blockState: State;
+  typeCounts: {[key: string]: number};
+}
+
+registry.register(BlockPaster.TYPE, new BlockPaster());
diff --git a/core/clipboard/registry.ts b/core/clipboard/registry.ts
new file mode 100644
index 00000000000..1257f5bdbb5
--- /dev/null
+++ b/core/clipboard/registry.ts
@@ -0,0 +1,31 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {ICopyable, ICopyData} from '../interfaces/i_copyable.js';
+import type {IPaster} from '../interfaces/i_paster.js';
+import * as registry from '../registry.js';
+
+/**
+ * Registers the given paster so that it cna be used for pasting.
+ *
+ * @param type The type of the paster to register, e.g. 'block', 'comment', etc.
+ * @param paster The paster to register.
+ */
+export function register<U extends ICopyData, T extends ICopyable<U>>(
+  type: string,
+  paster: IPaster<U, T>,
+) {
+  registry.register(registry.Type.PASTER, type, paster);
+}
+
+/**
+ * Unregisters the paster associated with the given type.
+ *
+ * @param type The type of the paster to unregister.
+ */
+export function unregister(type: string) {
+  registry.unregister(registry.Type.PASTER, type);
+}
diff --git a/core/clipboard/workspace_comment_paster.ts b/core/clipboard/workspace_comment_paster.ts
new file mode 100644
index 00000000000..c7e5eed68b0
--- /dev/null
+++ b/core/clipboard/workspace_comment_paster.ts
@@ -0,0 +1,94 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {IPaster} from '../interfaces/i_paster.js';
+import {ICopyData} from '../interfaces/i_copyable.js';
+import {Coordinate} from '../utils/coordinate.js';
+import {WorkspaceSvg} from '../workspace_svg.js';
+import * as registry from './registry.js';
+import * as commentSerialiation from '../serialization/workspace_comments.js';
+import * as eventUtils from '../events/utils.js';
+import * as common from '../common.js';
+import {RenderedWorkspaceComment} from '../comments/rendered_workspace_comment.js';
+
+export class WorkspaceCommentPaster
+  implements IPaster<WorkspaceCommentCopyData, RenderedWorkspaceComment>
+{
+  static TYPE = 'workspace-comment';
+
+  paste(
+    copyData: WorkspaceCommentCopyData,
+    workspace: WorkspaceSvg,
+    coordinate?: Coordinate,
+  ): RenderedWorkspaceComment | null {
+    const state = copyData.commentState;
+
+    if (coordinate) {
+      state['x'] = coordinate.x;
+      state['y'] = coordinate.y;
+    }
+
+    eventUtils.disable();
+    let comment;
+    try {
+      comment = commentSerialiation.append(
+        state,
+        workspace,
+      ) as RenderedWorkspaceComment;
+      moveCommentToNotConflict(comment);
+    } finally {
+      eventUtils.enable();
+    }
+
+    if (!comment) return null;
+
+    if (eventUtils.isEnabled()) {
+      eventUtils.fire(new (eventUtils.get(eventUtils.COMMENT_CREATE))(comment));
+    }
+    common.setSelected(comment);
+    return comment;
+  }
+}
+
+function moveCommentToNotConflict(comment: RenderedWorkspaceComment) {
+  const workspace = comment.workspace;
+  const translateDistance = 30;
+  const coord = comment.getRelativeToSurfaceXY();
+  const offset = new Coordinate(0, 0);
+  // getRelativeToSurfaceXY is really expensive, so we want to cache this.
+  const otherCoords = workspace
+    .getTopComments(false)
+    .filter((otherComment) => otherComment.id !== comment.id)
+    .map((c) => c.getRelativeToSurfaceXY());
+
+  while (
+    commentOverlapsOtherExactly(Coordinate.sum(coord, offset), otherCoords)
+  ) {
+    offset.translate(
+      workspace.RTL ? -translateDistance : translateDistance,
+      translateDistance,
+    );
+  }
+
+  comment.moveTo(Coordinate.sum(coord, offset));
+}
+
+function commentOverlapsOtherExactly(
+  coord: Coordinate,
+  otherCoords: Coordinate[],
+): boolean {
+  return otherCoords.some(
+    (otherCoord) =>
+      Math.abs(otherCoord.x - coord.x) <= 1 &&
+      Math.abs(otherCoord.y - coord.y) <= 1,
+  );
+}
+
+export interface WorkspaceCommentCopyData extends ICopyData {
+  commentState: commentSerialiation.State;
+}
+
+registry.register(WorkspaceCommentPaster.TYPE, new WorkspaceCommentPaster());
diff --git a/core/comment.js b/core/comment.js
deleted file mode 100644
index cc8b5a6812a..00000000000
--- a/core/comment.js
+++ /dev/null
@@ -1,439 +0,0 @@
-/**
- * @license
- * Copyright 2011 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object representing a code comment.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Comment');
-
-goog.require('Blockly.Bubble');
-goog.require('Blockly.Css');
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockChange');
-goog.require('Blockly.Events.Ui');
-goog.require('Blockly.Icon');
-goog.require('Blockly.utils.deprecation');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.utils.userAgent');
-goog.require('Blockly.Warning');
-
-
-/**
- * Class for a comment.
- * @param {!Blockly.Block} block The block associated with this comment.
- * @extends {Blockly.Icon}
- * @constructor
- */
-Blockly.Comment = function(block) {
-  Blockly.Comment.superClass_.constructor.call(this, block);
-
-  /**
-   * The model for this comment.
-   * @type {!Blockly.Block.CommentModel}
-   * @private
-   */
-  this.model_ = block.commentModel;
-  // If someone creates the comment directly instead of calling
-  // block.setCommentText we want to make sure the text is non-null;
-  this.model_.text = this.model_.text || '';
-
-  /**
-   * The model's text value at the start of an edit.
-   * Used to tell if an event should be fired at the end of an edit.
-   * @type {?string}
-   * @private
-   */
-  this.cachedText_ = '';
-
-  /**
-   * Mouse up event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onMouseUpWrapper_ = null;
-
-  /**
-   * Wheel event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onWheelWrapper_ = null;
-
-  /**
-   * Change event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onChangeWrapper_ = null;
-
-  /**
-   * Input event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onInputWrapper_ = null;
-
-  this.createIcon();
-};
-Blockly.utils.object.inherits(Blockly.Comment, Blockly.Icon);
-
-/**
- * Draw the comment icon.
- * @param {!Element} group The icon group.
- * @protected
- */
-Blockly.Comment.prototype.drawIcon_ = function(group) {
-  // Circle.
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.CIRCLE,
-      {'class': 'blocklyIconShape', 'r': '8', 'cx': '8', 'cy': '8'},
-      group);
-  // Can't use a real '?' text character since different browsers and operating
-  // systems render it differently.
-  // Body of question mark.
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH,
-      {
-        'class': 'blocklyIconSymbol',
-        'd': 'm6.8,10h2c0.003,-0.617 0.271,-0.962 0.633,-1.266 2.875,-2.405' +
-          '0.607,-5.534 -3.765,-3.874v1.7c3.12,-1.657 3.698,0.118 2.336,1.25' +
-          '-1.201,0.998 -1.201,1.528 -1.204,2.19z'},
-      group);
-  // Dot of question mark.
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'class': 'blocklyIconSymbol',
-        'x': '6.8',
-        'y': '10.78',
-        'height': '2',
-        'width': '2'
-      },
-      group);
-};
-
-/**
- * Create the editor for the comment's bubble.
- * @return {!SVGElement} The top-level node of the editor.
- * @private
- */
-Blockly.Comment.prototype.createEditor_ = function() {
-  /* Create the editor.  Here's the markup that will be generated in
-   * editable mode:
-    <foreignObject x="8" y="8" width="164" height="164">
-      <body xmlns="http://www.w3.org/1999/xhtml" class="blocklyMinimalBody">
-        <textarea xmlns="http://www.w3.org/1999/xhtml"
-            class="blocklyCommentTextarea"
-            style="height: 164px; width: 164px;"></textarea>
-      </body>
-    </foreignObject>
-   * For non-editable mode see Warning.textToDom_.
-   */
-
-  this.foreignObject_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FOREIGNOBJECT,
-      {'x': Blockly.Bubble.BORDER_WIDTH, 'y': Blockly.Bubble.BORDER_WIDTH},
-      null);
-
-  var body = document.createElementNS(Blockly.utils.dom.HTML_NS, 'body');
-  body.setAttribute('xmlns', Blockly.utils.dom.HTML_NS);
-  body.className = 'blocklyMinimalBody';
-
-  this.textarea_ = document.createElementNS(
-      Blockly.utils.dom.HTML_NS, 'textarea');
-  var textarea = this.textarea_;
-  textarea.className = 'blocklyCommentTextarea';
-  textarea.setAttribute('dir', this.block_.RTL ? 'RTL' : 'LTR');
-  textarea.value = this.model_.text;
-  this.resizeTextarea_();
-
-  body.appendChild(textarea);
-  this.foreignObject_.appendChild(body);
-
-  // Ideally this would be hooked to the focus event for the comment.
-  // However doing so in Firefox swallows the cursor for unknown reasons.
-  // So this is hooked to mouseup instead.  No big deal.
-  this.onMouseUpWrapper_ = Blockly.bindEventWithChecks_(
-      textarea, 'mouseup', this, this.startEdit_, true, true);
-  // Don't zoom with mousewheel.
-  this.onWheelWrapper_ = Blockly.bindEventWithChecks_(
-      textarea, 'wheel', this, function(e) {
-        e.stopPropagation();
-      });
-  this.onChangeWrapper_ = Blockly.bindEventWithChecks_(
-      textarea, 'change', this, function(_e) {
-        if (this.cachedText_ != this.model_.text) {
-          Blockly.Events.fire(new Blockly.Events.BlockChange(
-              this.block_, 'comment', null, this.cachedText_, this.model_.text));
-        }
-      });
-  this.onInputWrapper_ = Blockly.bindEventWithChecks_(
-      textarea, 'input', this, function(_e) {
-        this.model_.text = textarea.value;
-      });
-
-  setTimeout(textarea.focus.bind(textarea), 0);
-
-  return this.foreignObject_;
-};
-
-/**
- * Add or remove editability of the comment.
- * @override
- */
-Blockly.Comment.prototype.updateEditable = function() {
-  Blockly.Comment.superClass_.updateEditable.call(this);
-  if (this.isVisible()) {
-    // Recreate the bubble with the correct UI.
-    this.disposeBubble_();
-    this.createBubble_();
-  }
-};
-
-/**
- * Callback function triggered when the bubble has resized.
- * Resize the text area accordingly.
- * @private
- */
-Blockly.Comment.prototype.onBubbleResize_ = function() {
-  if (!this.isVisible()) {
-    return;
-  }
-  this.model_.size = this.bubble_.getBubbleSize();
-  this.resizeTextarea_();
-};
-
-/**
- * Resizes the text area to match the size defined on the model (which is
- * the size of the bubble).
- * @private
- */
-Blockly.Comment.prototype.resizeTextarea_ = function() {
-  var size = this.model_.size;
-  var doubleBorderWidth = 2 * Blockly.Bubble.BORDER_WIDTH;
-  var widthMinusBorder = size.width - doubleBorderWidth;
-  var heightMinusBorder = size.height - doubleBorderWidth;
-  this.foreignObject_.setAttribute('width', widthMinusBorder);
-  this.foreignObject_.setAttribute('height', heightMinusBorder);
-  this.textarea_.style.width = (widthMinusBorder - 4) + 'px';
-  this.textarea_.style.height = (heightMinusBorder - 4) + 'px';
-};
-
-/**
- * Show or hide the comment bubble.
- * @param {boolean} visible True if the bubble should be visible.
- */
-Blockly.Comment.prototype.setVisible = function(visible) {
-  if (visible == this.isVisible()) {
-    return;
-  }
-  Blockly.Events.fire(
-      new Blockly.Events.Ui(this.block_, 'commentOpen', !visible, visible));
-  this.model_.pinned = visible;
-  if (visible) {
-    this.createBubble_();
-  } else {
-    this.disposeBubble_();
-  }
-};
-
-/**
- * Show the bubble. Handles deciding if it should be editable or not.
- * @private
- */
-Blockly.Comment.prototype.createBubble_ = function() {
-  if (!this.block_.isEditable() || Blockly.utils.userAgent.IE) {
-    // Steal the code from warnings to make an uneditable text bubble.
-    // MSIE does not support foreignobject; textareas are impossible.
-    // https://docs.microsoft.com/en-us/openspecs/ie_standards/ms-svg/56e6e04c-7c8c-44dd-8100-bd745ee42034
-    // Always treat comments in IE as uneditable.
-    this.createNonEditableBubble_();
-  } else {
-    this.createEditableBubble_();
-  }
-};
-
-/**
- * Show an editable bubble.
- * @private
- */
-Blockly.Comment.prototype.createEditableBubble_ = function() {
-  this.bubble_ = new Blockly.Bubble(
-      /** @type {!Blockly.WorkspaceSvg} */ (this.block_.workspace),
-      this.createEditor_(), this.block_.pathObject.svgPath,
-      /** @type {!Blockly.utils.Coordinate} */ (this.iconXY_),
-      this.model_.size.width, this.model_.size.height);
-  // Expose this comment's block's ID on its top-level SVG group.
-  this.bubble_.setSvgId(this.block_.id);
-  this.bubble_.registerResizeEvent(this.onBubbleResize_.bind(this));
-  this.applyColour();
-};
-
-/**
- * Show a non-editable bubble.
- * @private
- * @suppress {checkTypes} Suppress `this` type mismatch.
- */
-Blockly.Comment.prototype.createNonEditableBubble_ = function() {
-  // TODO (#2917): It would be great if the comment could support line breaks.
-  Blockly.Warning.prototype.createBubble.call(this);
-};
-
-/**
- * Dispose of the bubble.
- * @private
- * @suppress {checkTypes} Suppress `this` type mismatch.
- */
-Blockly.Comment.prototype.disposeBubble_ = function() {
-  if (this.paragraphElement_) {
-    // We're using the warning UI so we have to let it dispose.
-    Blockly.Warning.prototype.disposeBubble.call(this);
-    return;
-  }
-  if (this.onMouseUpWrapper_) {
-    Blockly.unbindEvent_(this.onMouseUpWrapper_);
-    this.onMouseUpWrapper_ = null;
-  }
-  if (this.onWheelWrapper_) {
-    Blockly.unbindEvent_(this.onWheelWrapper_);
-    this.onWheelWrapper_ = null;
-  }
-  if (this.onChangeWrapper_) {
-    Blockly.unbindEvent_(this.onChangeWrapper_);
-    this.onChangeWrapper_ = null;
-  }
-  if (this.onInputWrapper_) {
-    Blockly.unbindEvent_(this.onInputWrapper_);
-    this.onInputWrapper_ = null;
-  }
-  this.bubble_.dispose();
-  this.bubble_ = null;
-  this.textarea_ = null;
-  this.foreignObject_ = null;
-};
-
-/**
- * Callback fired when an edit starts.
- *
- * Bring the comment to the top of the stack when clicked on. Also cache the
- * current text so it can be used to fire a change event.
- * @param {!Event} _e Mouse up event.
- * @private
- */
-Blockly.Comment.prototype.startEdit_ = function(_e) {
-  if (this.bubble_.promote()) {
-    // Since the act of moving this node within the DOM causes a loss of focus,
-    // we need to reapply the focus.
-    this.textarea_.focus();
-  }
-
-  this.cachedText_ = this.model_.text;
-};
-
-/**
- * Get the dimensions of this comment's bubble.
- * @return {Blockly.utils.Size} Object with width and height properties.
- */
-Blockly.Comment.prototype.getBubbleSize = function() {
-  return this.model_.size;
-};
-
-/**
- * Size this comment's bubble.
- * @param {number} width Width of the bubble.
- * @param {number} height Height of the bubble.
- */
-Blockly.Comment.prototype.setBubbleSize = function(width, height) {
-  if (this.bubble_) {
-    this.bubble_.setBubbleSize(width, height);
-  } else {
-    this.model_.size.width = width;
-    this.model_.size.height = height;
-  }
-};
-
-/**
- * Returns this comment's text.
- * @return {string} Comment text.
- * @deprecated August 2019 Use block.getCommentText() instead.
- */
-Blockly.Comment.prototype.getText = function() {
-  Blockly.utils.deprecation.warn(
-      'Comment.prototype.getText',
-      'August 2019',
-      'December 2020',
-      'block.getCommentText');
-  return this.model_.text || '';
-};
-
-/**
- * Set this comment's text.
- *
- * If you want to receive a comment change event, then this should not be called
- * directly. Instead call block.setCommentText();
- * @param {string} text Comment text.
- * @deprecated August 2019 Use block.setCommentText() instead.
- */
-Blockly.Comment.prototype.setText = function(text) {
-  Blockly.utils.deprecation.warn(
-      'Comment.prototype.setText',
-      'August 2019',
-      'December 2020',
-      'block.setCommentText');
-  if (this.model_.text == text) {
-    return;
-  }
-  this.model_.text = text;
-  this.updateText();
-};
-
-/**
- * Update the comment's view to match the model.
- * @package
- */
-Blockly.Comment.prototype.updateText = function() {
-  if (this.textarea_) {
-    this.textarea_.value = this.model_.text;
-  } else if (this.paragraphElement_) {
-    // Non-Editable mode.
-    // TODO (#2917): If 2917 gets added this will probably need to be updated.
-    this.paragraphElement_.firstChild.textContent = this.model_.text;
-  }
-};
-
-/**
- * Dispose of this comment.
- *
- * If you want to receive a comment "delete" event (newValue: null), then this
- * should not be called directly. Instead call block.setCommentText(null);
- */
-Blockly.Comment.prototype.dispose = function() {
-  this.block_.comment = null;
-  Blockly.Icon.prototype.dispose.call(this);
-};
-
-/**
- * CSS for block comment.  See css.js for use.
- */
-Blockly.Css.register([
-  /* eslint-disable indent */
-  '.blocklyCommentTextarea {',
-    'background-color: #fef49c;',
-    'border: 0;',
-    'outline: 0;',
-    'margin: 0;',
-    'padding: 3px;',
-    'resize: none;',
-    'display: block;',
-    'overflow: hidden;',
-  '}'
-  /* eslint-enable indent */
-]);
diff --git a/core/comments.ts b/core/comments.ts
new file mode 100644
index 00000000000..368db0e7783
--- /dev/null
+++ b/core/comments.ts
@@ -0,0 +1,9 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export {CommentView} from './comments/comment_view.js';
+export {WorkspaceComment} from './comments/workspace_comment.js';
+export {RenderedWorkspaceComment} from './comments/rendered_workspace_comment.js';
diff --git a/core/comments/comment_view.ts b/core/comments/comment_view.ts
new file mode 100644
index 00000000000..52f92b56776
--- /dev/null
+++ b/core/comments/comment_view.ts
@@ -0,0 +1,873 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {IRenderedElement} from '../interfaces/i_rendered_element.js';
+import {WorkspaceSvg} from '../workspace_svg.js';
+import * as dom from '../utils/dom.js';
+import {Svg} from '../utils/svg.js';
+import * as layers from '../layers.js';
+import * as css from '../css.js';
+import {Coordinate} from '../utils/coordinate.js';
+import {Size} from '../utils/size.js';
+import * as browserEvents from '../browser_events.js';
+import * as touch from '../touch.js';
+
+export class CommentView implements IRenderedElement {
+  /** The root group element of the comment view. */
+  private svgRoot: SVGGElement;
+
+  /**
+   * The svg rect element that we use to create a hightlight around the comment.
+   */
+  private highlightRect: SVGRectElement;
+
+  /** The group containing all of the top bar elements. */
+  private topBarGroup: SVGGElement;
+
+  /** The rect background for the top bar. */
+  private topBarBackground: SVGRectElement;
+
+  /** The delete icon that goes in the top bar. */
+  private deleteIcon: SVGImageElement;
+
+  /** The foldout icon that goes in the top bar. */
+  private foldoutIcon: SVGImageElement;
+
+  /** The text element that goes in the top bar. */
+  private textPreview: SVGTextElement;
+
+  /** The actual text node in the text preview. */
+  private textPreviewNode: Text;
+
+  /** The resize handle element. */
+  private resizeHandle: SVGImageElement;
+
+  /** The foreignObject containing the HTML text area. */
+  private foreignObject: SVGForeignObjectElement;
+
+  /** The text area where the user can type. */
+  private textArea: HTMLTextAreaElement;
+
+  /** The current size of the comment in workspace units. */
+  private size: Size = new Size(120, 100);
+
+  /** Whether the comment is collapsed or not. */
+  private collapsed: boolean = false;
+
+  /** Whether the comment is editable or not. */
+  private editable: boolean = true;
+
+  /** The current location of the comment in workspace coordinates. */
+  private location: Coordinate = new Coordinate(0, 0);
+
+  /** The current text of the comment. Updates on  text area change. */
+  private text: string = '';
+
+  /** Listeners for changes to text. */
+  private textChangeListeners: Array<
+    (oldText: string, newText: string) => void
+  > = [];
+
+  /** Listeners for changes to size. */
+  private sizeChangeListeners: Array<(oldSize: Size, newSize: Size) => void> =
+    [];
+
+  /** Listeners for disposal. */
+  private disposeListeners: Array<() => void> = [];
+
+  /** Listeners for collapsing. */
+  private collapseChangeListeners: Array<(newCollapse: boolean) => void> = [];
+
+  /**
+   * Event data for the pointer up event on the resize handle. Used to
+   * unregister the listener.
+   */
+  private resizePointerUpListener: browserEvents.Data | null = null;
+
+  /**
+   * Event data for the pointer move event on the resize handle. Used to
+   * unregister the listener.
+   */
+  private resizePointerMoveListener: browserEvents.Data | null = null;
+
+  /** Whether this comment view is currently being disposed or not. */
+  private disposing = false;
+
+  /** Whether this comment view has been disposed or not. */
+  private disposed = false;
+
+  constructor(private readonly workspace: WorkspaceSvg) {
+    this.svgRoot = dom.createSvgElement(Svg.G, {
+      'class': 'blocklyComment blocklyEditable',
+    });
+
+    this.highlightRect = this.createHighlightRect(this.svgRoot);
+
+    ({
+      topBarGroup: this.topBarGroup,
+      topBarBackground: this.topBarBackground,
+      deleteIcon: this.deleteIcon,
+      foldoutIcon: this.foldoutIcon,
+      textPreview: this.textPreview,
+      textPreviewNode: this.textPreviewNode,
+    } = this.createTopBar(this.svgRoot, workspace));
+
+    ({foreignObject: this.foreignObject, textArea: this.textArea} =
+      this.createTextArea(this.svgRoot));
+
+    this.resizeHandle = this.createResizeHandle(this.svgRoot, workspace);
+
+    // TODO: Remove this comment before merging.
+    // I think we want comments to exist on the same layer as blocks.
+    workspace.getLayerManager()?.append(this, layers.BLOCK);
+
+    // Set size to the default size.
+    this.setSize(this.size);
+
+    // Set default transform (including inverted scale for RTL).
+    this.moveTo(new Coordinate(0, 0));
+  }
+
+  /**
+   * Creates the rect we use for highlighting the comment when it's selected.
+   */
+  private createHighlightRect(svgRoot: SVGGElement): SVGRectElement {
+    return dom.createSvgElement(
+      Svg.RECT,
+      {'class': 'blocklyCommentHighlight'},
+      svgRoot,
+    );
+  }
+
+  /**
+   * Creates the top bar and the elements visually within it.
+   * Registers event listeners.
+   */
+  private createTopBar(
+    svgRoot: SVGGElement,
+    workspace: WorkspaceSvg,
+  ): {
+    topBarGroup: SVGGElement;
+    topBarBackground: SVGRectElement;
+    deleteIcon: SVGImageElement;
+    foldoutIcon: SVGImageElement;
+    textPreview: SVGTextElement;
+    textPreviewNode: Text;
+  } {
+    const topBarGroup = dom.createSvgElement(
+      Svg.G,
+      {
+        'class': 'blocklyCommentTopbar',
+      },
+      svgRoot,
+    );
+    const topBarBackground = dom.createSvgElement(
+      Svg.RECT,
+      {
+        'class': 'blocklyCommentTopbarBackground',
+      },
+      topBarGroup,
+    );
+    // TODO: Before merging, does this mean to override an individual image,
+    // folks need to replace the whole media folder?
+    const deleteIcon = dom.createSvgElement(
+      Svg.IMAGE,
+      {
+        'class': 'blocklyDeleteIcon',
+        'href': `${workspace.options.pathToMedia}delete-icon.svg`,
+      },
+      topBarGroup,
+    );
+    const foldoutIcon = dom.createSvgElement(
+      Svg.IMAGE,
+      {
+        'class': 'blocklyFoldoutIcon',
+        'href': `${workspace.options.pathToMedia}foldout-icon.svg`,
+      },
+      topBarGroup,
+    );
+    const textPreview = dom.createSvgElement(
+      Svg.TEXT,
+      {
+        'class': 'blocklyCommentPreview blocklyCommentText blocklyText',
+      },
+      topBarGroup,
+    );
+    const textPreviewNode = document.createTextNode('');
+    textPreview.appendChild(textPreviewNode);
+
+    // TODO(toychest): Triggering this on pointerdown means that we can't start
+    //   drags on the foldout icon. We need to open up the gesture system
+    //   to fix this.
+    browserEvents.conditionalBind(
+      foldoutIcon,
+      'pointerdown',
+      this,
+      this.onFoldoutDown,
+    );
+    browserEvents.conditionalBind(
+      deleteIcon,
+      'pointerdown',
+      this,
+      this.onDeleteDown,
+    );
+
+    return {
+      topBarGroup,
+      topBarBackground,
+      deleteIcon,
+      foldoutIcon,
+      textPreview,
+      textPreviewNode,
+    };
+  }
+
+  /**
+   * Creates the text area where users can type. Registers event listeners.
+   */
+  private createTextArea(svgRoot: SVGGElement): {
+    foreignObject: SVGForeignObjectElement;
+    textArea: HTMLTextAreaElement;
+  } {
+    const foreignObject = dom.createSvgElement(
+      Svg.FOREIGNOBJECT,
+      {
+        'class': 'blocklyCommentForeignObject',
+      },
+      svgRoot,
+    );
+    const body = document.createElementNS(dom.HTML_NS, 'body');
+    body.setAttribute('xmlns', dom.HTML_NS);
+    body.className = 'blocklyMinimalBody';
+    const textArea = document.createElementNS(
+      dom.HTML_NS,
+      'textarea',
+    ) as HTMLTextAreaElement;
+    dom.addClass(textArea, 'blocklyCommentText');
+    dom.addClass(textArea, 'blocklyTextarea');
+    dom.addClass(textArea, 'blocklyText');
+    body.appendChild(textArea);
+    foreignObject.appendChild(body);
+
+    browserEvents.conditionalBind(textArea, 'change', this, this.onTextChange);
+
+    return {foreignObject, textArea};
+  }
+
+  /** Creates the DOM elements for the comment resize handle. */
+  private createResizeHandle(
+    svgRoot: SVGGElement,
+    workspace: WorkspaceSvg,
+  ): SVGImageElement {
+    const resizeHandle = dom.createSvgElement(
+      Svg.IMAGE,
+      {
+        'class': 'blocklyResizeHandle',
+        'href': `${workspace.options.pathToMedia}resize-handle.svg`,
+      },
+      svgRoot,
+    );
+
+    browserEvents.conditionalBind(
+      resizeHandle,
+      'pointerdown',
+      this,
+      this.onResizePointerDown,
+    );
+
+    return resizeHandle;
+  }
+
+  /** Returns the root SVG group element of the comment view. */
+  getSvgRoot(): SVGGElement {
+    return this.svgRoot;
+  }
+
+  /**
+   * Returns the current size of the comment in workspace units.
+   * Respects collapsing.
+   */
+  getSize(): Size {
+    return this.collapsed ? this.topBarBackground.getBBox() : this.size;
+  }
+
+  /**
+   * Sets the size of the comment in workspace units, and updates the view
+   * elements to reflect the new size.
+   */
+  setSize(size: Size) {
+    const topBarSize = this.topBarBackground.getBBox();
+    const deleteSize = this.deleteIcon.getBBox();
+    const foldoutSize = this.foldoutIcon.getBBox();
+    const textPreviewSize = this.textPreview.getBBox();
+    const resizeSize = this.resizeHandle.getBBox();
+
+    size = Size.max(
+      size,
+      this.calcMinSize(topBarSize, foldoutSize, deleteSize),
+    );
+    const oldSize = this.size;
+    this.size = size;
+
+    this.svgRoot.setAttribute('height', `${size.height}`);
+    this.svgRoot.setAttribute('width', `${size.width}`);
+
+    this.updateHighlightRect(size);
+    this.updateTopBarSize(size);
+    this.updateTextAreaSize(size, topBarSize);
+    this.updateDeleteIconPosition(size, topBarSize, deleteSize);
+    this.updateFoldoutIconPosition(topBarSize, foldoutSize);
+    this.updateTextPreviewSize(
+      size,
+      topBarSize,
+      textPreviewSize,
+      deleteSize,
+      resizeSize,
+    );
+    this.updateResizeHandlePosition(size, resizeSize);
+
+    this.onSizeChange(oldSize, this.size);
+  }
+
+  /**
+   * Calculates the minimum size for the uncollapsed comment based on text
+   * size and visible icons.
+   *
+   * The minimum width is based on the width of the truncated preview text.
+   *
+   * The minimum height is based on the height of the top bar.
+   */
+  private calcMinSize(
+    topBarSize: Size,
+    foldoutSize: Size,
+    deleteSize: Size,
+  ): Size {
+    this.updateTextPreview(this.textArea.value ?? '');
+    const textPreviewWidth = dom.getTextWidth(this.textPreview);
+
+    const foldoutMargin = this.calcFoldoutMargin(topBarSize, foldoutSize);
+    const deleteMargin = this.calcDeleteMargin(topBarSize, deleteSize);
+
+    let width = textPreviewWidth;
+    if (this.foldoutIcon.checkVisibility()) {
+      width += foldoutSize.width + foldoutMargin * 2;
+    } else if (textPreviewWidth) {
+      width += 4; // Arbitrary margin before text.
+    }
+    if (this.deleteIcon.checkVisibility()) {
+      width += deleteSize.width + deleteMargin * 2;
+    } else if (textPreviewWidth) {
+      width += 4; // Arbitrary margin after text.
+    }
+
+    // Arbitrary additional height.
+    const height = topBarSize.height + 20;
+
+    return new Size(width, height);
+  }
+
+  /** Calculates the margin that should exist around the delete icon. */
+  private calcDeleteMargin(topBarSize: Size, deleteSize: Size) {
+    return (topBarSize.height - deleteSize.height) / 2;
+  }
+
+  /** Calculates the margin that should exist around the foldout icon. */
+  private calcFoldoutMargin(topBarSize: Size, foldoutSize: Size) {
+    return (topBarSize.height - foldoutSize.height) / 2;
+  }
+
+  /** Updates the size of the highlight rect to reflect the new size. */
+  private updateHighlightRect(size: Size) {
+    this.highlightRect.setAttribute('height', `${size.height}`);
+    this.highlightRect.setAttribute('width', `${size.width}`);
+    if (this.workspace.RTL) {
+      this.highlightRect.setAttribute('x', `${-size.width}`);
+    }
+  }
+
+  /** Updates the size of the top bar to reflect the new size. */
+  private updateTopBarSize(size: Size) {
+    this.topBarBackground.setAttribute('width', `${size.width}`);
+  }
+
+  /** Updates the size of the text area elements to reflect the new size. */
+  private updateTextAreaSize(size: Size, topBarSize: Size) {
+    this.foreignObject.setAttribute(
+      'height',
+      `${size.height - topBarSize.height}`,
+    );
+    this.foreignObject.setAttribute('width', `${size.width}`);
+    this.foreignObject.setAttribute('y', `${topBarSize.height}`);
+    if (this.workspace.RTL) {
+      this.foreignObject.setAttribute('x', `${-size.width}`);
+    }
+  }
+
+  /**
+   * Updates the position of the delete icon elements to reflect the new size.
+   */
+  private updateDeleteIconPosition(
+    size: Size,
+    topBarSize: Size,
+    deleteSize: Size,
+  ) {
+    const deleteMargin = this.calcDeleteMargin(topBarSize, deleteSize);
+    this.deleteIcon.setAttribute('y', `${deleteMargin}`);
+    this.deleteIcon.setAttribute(
+      'x',
+      `${size.width - deleteSize.width - deleteMargin}`,
+    );
+  }
+
+  /**
+   * Updates the position of the foldout icon elements to reflect the new size.
+   */
+  private updateFoldoutIconPosition(topBarSize: Size, foldoutSize: Size) {
+    const foldoutMargin = this.calcFoldoutMargin(topBarSize, foldoutSize);
+    this.foldoutIcon.setAttribute('y', `${foldoutMargin}`);
+    this.foldoutIcon.setAttribute('x', `${foldoutMargin}`);
+  }
+
+  /**
+   * Updates the size and position of the text preview elements to reflect the new size.
+   */
+  private updateTextPreviewSize(
+    size: Size,
+    topBarSize: Size,
+    textPreviewSize: Size,
+    deleteSize: Size,
+    foldoutSize: Size,
+  ) {
+    const textPreviewMargin = (topBarSize.height - textPreviewSize.height) / 2;
+    const deleteMargin = this.calcDeleteMargin(topBarSize, deleteSize);
+    const foldoutMargin = this.calcFoldoutMargin(topBarSize, foldoutSize);
+
+    const textPreviewWidth =
+      size.width -
+      foldoutSize.width -
+      foldoutMargin * 2 -
+      deleteSize.width -
+      deleteMargin * 2;
+    this.textPreview.setAttribute(
+      'x',
+      `${
+        foldoutSize.width + foldoutMargin * 2 * (this.workspace.RTL ? -1 : 1)
+      }`,
+    );
+    this.textPreview.setAttribute(
+      'y',
+      `${textPreviewMargin + textPreviewSize.height / 2}`,
+    );
+    this.textPreview.setAttribute('width', `${textPreviewWidth}`);
+  }
+
+  /** Updates the position of the resize handle to reflect the new size. */
+  private updateResizeHandlePosition(size: Size, resizeSize: Size) {
+    this.resizeHandle.setAttribute('y', `${size.height - resizeSize.height}`);
+    this.resizeHandle.setAttribute('x', `${size.width - resizeSize.width}`);
+  }
+
+  /**
+   * Triggers listeners when the size of the comment changes, either
+   * progrmatically or manually by the user.
+   */
+  private onSizeChange(oldSize: Size, newSize: Size) {
+    // Loop through listeners backwards in case they remove themselves.
+    for (let i = this.sizeChangeListeners.length - 1; i >= 0; i--) {
+      this.sizeChangeListeners[i](oldSize, newSize);
+    }
+  }
+
+  /**
+   * Registers a callback that listens for size changes.
+   *
+   * @param listener Receives callbacks when the size of the comment changes.
+   *     The new and old size are in workspace units.
+   */
+  addSizeChangeListener(listener: (oldSize: Size, newSize: Size) => void) {
+    this.sizeChangeListeners.push(listener);
+  }
+
+  /** Removes the given listener from the list of size change listeners. */
+  removeSizeChangeListener(listener: () => void) {
+    this.sizeChangeListeners.splice(
+      this.sizeChangeListeners.indexOf(listener),
+      1,
+    );
+  }
+
+  /**
+   * Handles starting an interaction with the resize handle to resize the
+   * comment.
+   */
+  private onResizePointerDown(e: PointerEvent) {
+    if (!this.isEditable()) return;
+
+    this.bringToFront();
+    if (browserEvents.isRightButton(e)) {
+      e.stopPropagation();
+      return;
+    }
+
+    // TODO(#7926): Move this into a utils file.
+    this.workspace.startDrag(
+      e,
+      new Coordinate(
+        this.workspace.RTL ? -this.getSize().width : this.getSize().width,
+        this.getSize().height,
+      ),
+    );
+
+    this.resizePointerUpListener = browserEvents.conditionalBind(
+      document,
+      'pointerup',
+      this,
+      this.onResizePointerUp,
+    );
+    this.resizePointerMoveListener = browserEvents.conditionalBind(
+      document,
+      'pointermove',
+      this,
+      this.onResizePointerMove,
+    );
+
+    this.workspace.hideChaff();
+
+    e.stopPropagation();
+  }
+
+  /** Ends an interaction with the resize handle. */
+  private onResizePointerUp(_e: PointerEvent) {
+    touch.clearTouchIdentifier();
+    if (this.resizePointerUpListener) {
+      browserEvents.unbind(this.resizePointerUpListener);
+      this.resizePointerUpListener = null;
+    }
+    if (this.resizePointerMoveListener) {
+      browserEvents.unbind(this.resizePointerMoveListener);
+      this.resizePointerMoveListener = null;
+    }
+  }
+
+  /** Resizes the comment in response to a drag on the resize handle. */
+  private onResizePointerMove(e: PointerEvent) {
+    // TODO(#7926): Move this into a utils file.
+    const delta = this.workspace.moveDrag(e);
+    this.setSize(new Size(this.workspace.RTL ? -delta.x : delta.x, delta.y));
+  }
+
+  /** Returns true if the comment is currently collapsed. */
+  isCollapsed(): boolean {
+    return this.collapsed;
+  }
+
+  /** Sets whether the comment is currently collapsed or not. */
+  setCollapsed(collapsed: boolean) {
+    this.collapsed = collapsed;
+    if (collapsed) {
+      dom.addClass(this.svgRoot, 'blocklyCollapsed');
+    } else {
+      dom.removeClass(this.svgRoot, 'blocklyCollapsed');
+    }
+    // Repositions resize handle and such.
+    this.setSize(this.size);
+    this.onCollapse();
+  }
+
+  /**
+   * Triggers listeners when the collapsed-ness of the comment changes, either
+   * progrmatically or manually by the user.
+   */
+  private onCollapse() {
+    // Loop through listeners backwards in case they remove themselves.
+    for (let i = this.collapseChangeListeners.length - 1; i >= 0; i--) {
+      this.collapseChangeListeners[i](this.collapsed);
+    }
+  }
+
+  /** Registers a callback that listens for collapsed-ness changes. */
+  addOnCollapseListener(listener: (newCollapse: boolean) => void) {
+    this.collapseChangeListeners.push(listener);
+  }
+
+  /** Removes the given listener from the list of on collapse listeners. */
+  removeOnCollapseListener(listener: () => void) {
+    this.collapseChangeListeners.splice(
+      this.collapseChangeListeners.indexOf(listener),
+      1,
+    );
+  }
+
+  /**
+   * Toggles the collapsedness of the block when we receive a pointer down
+   * event on the foldout icon.
+   */
+  private onFoldoutDown(e: PointerEvent) {
+    this.bringToFront();
+    if (browserEvents.isRightButton(e)) {
+      e.stopPropagation();
+      return;
+    }
+
+    this.setCollapsed(!this.collapsed);
+
+    this.workspace.hideChaff();
+
+    e.stopPropagation();
+  }
+
+  /** Returns true if the comment is currently editable. */
+  isEditable(): boolean {
+    return this.editable;
+  }
+
+  /** Sets the editability of the comment. */
+  setEditable(editable: boolean) {
+    this.editable = editable;
+    if (this.editable) {
+      dom.addClass(this.svgRoot, 'blocklyEditable');
+      dom.removeClass(this.svgRoot, 'blocklyReadonly');
+      this.textArea.removeAttribute('readonly');
+    } else {
+      dom.removeClass(this.svgRoot, 'blocklyEditable');
+      dom.addClass(this.svgRoot, 'blocklyReadonly');
+      this.textArea.setAttribute('readonly', 'true');
+    }
+  }
+
+  /** Returns the current location of the comment in workspace coordinates. */
+  getRelativeToSurfaceXY(): Coordinate {
+    return this.location;
+  }
+
+  /**
+   * Moves the comment view to the given location.
+   *
+   * @param location The location to move to in workspace coordinates.
+   */
+  moveTo(location: Coordinate) {
+    this.location = location;
+    this.svgRoot.setAttribute(
+      'transform',
+      `translate(${location.x}, ${location.y})`,
+    );
+  }
+
+  /** Retursn the current text of the comment. */
+  getText() {
+    return this.text;
+  }
+
+  /** Sets the current text of the comment. */
+  setText(text: string) {
+    this.textArea.value = text;
+    this.onTextChange();
+  }
+
+  /** Registers a callback that listens for text changes. */
+  addTextChangeListener(listener: (oldText: string, newText: string) => void) {
+    this.textChangeListeners.push(listener);
+  }
+
+  /** Removes the given listener from the list of text change listeners. */
+  removeTextChangeListener(listener: () => void) {
+    this.textChangeListeners.splice(
+      this.textChangeListeners.indexOf(listener),
+      1,
+    );
+  }
+
+  /**
+   * Triggers listeners when the text of the comment changes, either
+   * progrmatically or manually by the user.
+   */
+  private onTextChange() {
+    const oldText = this.text;
+    this.text = this.textArea.value;
+    this.updateTextPreview(this.text);
+    // Update size in case our minimum size increased.
+    this.setSize(this.size);
+    // Loop through listeners backwards in case they remove themselves.
+    for (let i = this.textChangeListeners.length - 1; i >= 0; i--) {
+      this.textChangeListeners[i](oldText, this.text);
+    }
+  }
+
+  /** Updates the preview text element to reflect the given text. */
+  private updateTextPreview(text: string) {
+    this.textPreviewNode.textContent = this.truncateText(text);
+  }
+
+  /** Truncates the text to fit within the top view. */
+  private truncateText(text: string): string {
+    return text.length >= 12 ? `${text.substring(0, 9)}...` : text;
+  }
+
+  /** Brings the workspace comment to the front of its layer. */
+  private bringToFront() {
+    const parent = this.svgRoot.parentNode;
+    const childNodes = parent!.childNodes;
+    // Avoid moving the comment if it's already at the bottom.
+    if (childNodes[childNodes.length - 1] !== this.svgRoot) {
+      parent!.appendChild(this.svgRoot);
+    }
+  }
+
+  /**
+   * Handles disposing of the comment when we get a pointer down event on the
+   * delete icon.
+   */
+  private onDeleteDown(e: PointerEvent) {
+    if (browserEvents.isRightButton(e)) {
+      e.stopPropagation();
+      return;
+    }
+
+    this.dispose();
+    e.stopPropagation();
+  }
+
+  /** Disposes of this comment view. */
+  dispose() {
+    this.disposing = true;
+    dom.removeNode(this.svgRoot);
+    // Loop through listeners backwards in case they remove themselves.
+    for (let i = this.disposeListeners.length - 1; i >= 0; i--) {
+      this.disposeListeners[i]();
+    }
+    this.disposed = true;
+  }
+
+  /** Returns whether this comment view has been disposed or not. */
+  isDisposed(): boolean {
+    return this.disposed;
+  }
+
+  /**
+   * Returns true if this comment view is currently being disposed or has
+   * already been disposed.
+   */
+  isDeadOrDying(): boolean {
+    return this.disposing || this.disposed;
+  }
+
+  /** Registers a callback that listens for disposal of this view. */
+  addDisposeListener(listener: () => void) {
+    this.disposeListeners.push(listener);
+  }
+
+  /** Removes the given listener from the list of disposal listeners. */
+  removeDisposeListener(listener: () => void) {
+    this.disposeListeners.splice(this.disposeListeners.indexOf(listener), 1);
+  }
+}
+
+css.register(`
+.injectionDiv {
+  --commentFillColour: #FFFCC7;
+  --commentBorderColour: #F2E49B;
+}
+
+.blocklyComment .blocklyTextarea {
+  background-color: var(--commentFillColour);
+  border: 1px solid var(--commentBorderColour);
+  box-sizing: border-box;
+  display: block;
+  outline: 0;
+  padding: 5px;
+  resize: none;
+  width: 100%;
+  height: 100%;
+}
+
+.blocklyReadonly.blocklyComment .blocklyTextarea {
+  cursor: inherit;
+}
+
+.blocklyDeleteIcon {
+  width: 20px;
+  height: 20px;
+  display: none;
+  cursor: pointer;
+}
+
+.blocklyFoldoutIcon {
+  width: 20px;
+  height: 20px;
+  transform-origin: 12px 12px;
+  cursor: pointer;
+}
+.blocklyResizeHandle {
+  width: 12px;
+  height: 12px;
+  cursor: se-resize;
+}
+.blocklyReadonly.blocklyComment .blocklyResizeHandle {
+  cursor: inherit;
+}
+
+.blocklyCommentTopbarBackground {
+  cursor: grab;
+  fill: var(--commentBorderColour);
+  height: 24px;
+}
+
+.blocklyComment .blocklyCommentPreview.blocklyText {
+  fill: #000;
+  dominant-baseline: middle;
+  visibility: hidden;
+}
+
+.blocklyCollapsed.blocklyComment .blocklyCommentPreview {
+  visibility: visible;
+}
+
+.blocklyCollapsed.blocklyComment .blocklyCommentForeignObject,
+.blocklyCollapsed.blocklyComment .blocklyResizeHandle {
+  display: none;
+}
+
+.blocklyCollapsed.blocklyComment .blocklyFoldoutIcon {
+  transform: rotate(-90deg);
+}
+
+.blocklyRTL .blocklyCommentTopbar {
+  transform: scale(-1, 1);
+}
+
+.blocklyRTL .blocklyCommentForeignObject {
+  direction: rtl;
+}
+
+.blocklyRTL .blocklyCommentPreview {
+  /* Revert the scale and control RTL using direction instead. */
+  transform: scale(-1, 1);
+  direction: rtl;
+}
+
+.blocklyRTL .blocklyResizeHandle {
+  transform: scale(-1, 1);
+  cursor: sw-resize;
+}
+
+.blocklyCommentHighlight {
+  fill: none;
+}
+
+.blocklySelected .blocklyCommentHighlight {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+
+.blocklyCollapsed.blocklySelected .blocklyCommentHighlight {
+  stroke: none;
+}
+
+.blocklyCollapsed.blocklySelected .blocklyCommentTopbarBackground {
+  stroke: #fc3;
+  stroke-width: 3px;
+}
+`);
diff --git a/core/comments/rendered_workspace_comment.ts b/core/comments/rendered_workspace_comment.ts
new file mode 100644
index 00000000000..1234d6ef8e9
--- /dev/null
+++ b/core/comments/rendered_workspace_comment.ts
@@ -0,0 +1,291 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {WorkspaceComment} from './workspace_comment.js';
+import {WorkspaceSvg} from '../workspace_svg.js';
+import {CommentView} from './comment_view.js';
+import {Coordinate} from '../utils/coordinate.js';
+import {Rect} from '../utils/rect.js';
+import {Size} from '../utils/size.js';
+import {IBoundedElement} from '../interfaces/i_bounded_element.js';
+import {IRenderedElement} from '../interfaces/i_rendered_element.js';
+import * as dom from '../utils/dom.js';
+import {IDraggable} from '../interfaces/i_draggable.js';
+import {CommentDragStrategy} from '../dragging/comment_drag_strategy.js';
+import * as browserEvents from '../browser_events.js';
+import * as common from '../common.js';
+import {ISelectable} from '../interfaces/i_selectable.js';
+import {IDeletable} from '../interfaces/i_deletable.js';
+import {ICopyable} from '../interfaces/i_copyable.js';
+import * as commentSerialization from '../serialization/workspace_comments.js';
+import {
+  WorkspaceCommentPaster,
+  WorkspaceCommentCopyData,
+} from '../clipboard/workspace_comment_paster.js';
+import {IContextMenu} from '../interfaces/i_contextmenu.js';
+import * as contextMenu from '../contextmenu.js';
+import {ContextMenuRegistry} from '../contextmenu_registry.js';
+
+export class RenderedWorkspaceComment
+  extends WorkspaceComment
+  implements
+    IBoundedElement,
+    IRenderedElement,
+    IDraggable,
+    ISelectable,
+    IDeletable,
+    ICopyable<WorkspaceCommentCopyData>,
+    IContextMenu
+{
+  /** The class encompassing the svg elements making up the workspace comment. */
+  private view: CommentView;
+
+  public readonly workspace: WorkspaceSvg;
+
+  private dragStrategy = new CommentDragStrategy(this);
+
+  /** Constructs the workspace comment, including the view. */
+  constructor(workspace: WorkspaceSvg, id?: string) {
+    super(workspace, id);
+
+    this.workspace = workspace;
+
+    this.view = new CommentView(workspace);
+    // Set the size to the default size as defined in the superclass.
+    this.view.setSize(this.getSize());
+    this.view.setEditable(this.isEditable());
+
+    this.addModelUpdateBindings();
+
+    browserEvents.conditionalBind(
+      this.view.getSvgRoot(),
+      'pointerdown',
+      this,
+      this.startGesture,
+    );
+    // Don't zoom with mousewheel; let it scroll instead.
+    browserEvents.conditionalBind(
+      this.view.getSvgRoot(),
+      'wheel',
+      this,
+      (e: Event) => {
+        e.stopPropagation();
+      },
+    );
+  }
+
+  /**
+   * Adds listeners to the view that updates the model (i.e. the superclass)
+   * when changes are made to the view.
+   */
+  private addModelUpdateBindings() {
+    this.view.addTextChangeListener(
+      (_, newText: string) => void super.setText(newText),
+    );
+    this.view.addSizeChangeListener(
+      (_, newSize: Size) => void super.setSize(newSize),
+    );
+    this.view.addOnCollapseListener(
+      () => void super.setCollapsed(this.view.isCollapsed()),
+    );
+    this.view.addDisposeListener(() => {
+      if (!this.isDeadOrDying()) this.dispose();
+    });
+  }
+
+  /** Sets the text of the comment. */
+  override setText(text: string): void {
+    // setText will trigger the change listener that updates
+    // the model aka superclass.
+    this.view.setText(text);
+  }
+
+  /** Sets the size of the comment. */
+  override setSize(size: Size) {
+    // setSize will trigger the change listener that updates
+    // the model aka superclass.
+    this.view.setSize(size);
+  }
+
+  /** Sets whether the comment is collapsed or not. */
+  override setCollapsed(collapsed: boolean) {
+    // setCollapsed will trigger the change listener that updates
+    // the model aka superclass.
+    this.view.setCollapsed(collapsed);
+  }
+
+  /** Sets whether the comment is editable or not. */
+  override setEditable(editable: boolean): void {
+    super.setEditable(editable);
+    // Use isEditable rather than isOwnEditable to account for workspace state.
+    this.view.setEditable(this.isEditable());
+  }
+
+  /** Returns the root SVG element of this comment. */
+  getSvgRoot(): SVGElement {
+    return this.view.getSvgRoot();
+  }
+
+  /**
+   * Returns the comment's size in workspace units.
+   * Does not respect collapsing.
+   */
+  getSize(): Size {
+    return super.getSize();
+  }
+
+  /**
+   * Returns the bounding rectangle of this comment in workspace coordinates.
+   * Respects collapsing.
+   */
+  getBoundingRectangle(): Rect {
+    const loc = this.getRelativeToSurfaceXY();
+    const size = this.view?.getSize() ?? this.getSize();
+    let left;
+    let right;
+    if (this.workspace.RTL) {
+      left = loc.x - size.width;
+      right = loc.x;
+    } else {
+      left = loc.x;
+      right = loc.x + size.width;
+    }
+    return new Rect(loc.y, loc.y + size.height, left, right);
+  }
+
+  /** Move the comment by the given amounts in workspace coordinates. */
+  moveBy(dx: number, dy: number, reason?: string[] | undefined): void {
+    const loc = this.getRelativeToSurfaceXY();
+    const newLoc = new Coordinate(loc.x + dx, loc.y + dy);
+    this.moveTo(newLoc, reason);
+  }
+
+  /** Moves the comment to the given location in workspace coordinates. */
+  override moveTo(location: Coordinate, reason?: string[] | undefined): void {
+    super.moveTo(location, reason);
+    this.view.moveTo(location);
+  }
+
+  /**
+   * Moves the comment during a drag. Doesn't fire move events.
+   *
+   * @internal
+   */
+  moveDuringDrag(location: Coordinate): void {
+    this.location = location;
+    this.view.moveTo(location);
+  }
+
+  /**
+   * Adds the dragging CSS class to this comment.
+   *
+   * @internal
+   */
+  setDragging(dragging: boolean): void {
+    if (dragging) {
+      dom.addClass(this.getSvgRoot(), 'blocklyDragging');
+    } else {
+      dom.removeClass(this.getSvgRoot(), 'blocklyDragging');
+    }
+  }
+
+  /** Disposes of the view. */
+  override dispose() {
+    this.disposing = true;
+    if (!this.view.isDeadOrDying()) this.view.dispose();
+    super.dispose();
+  }
+
+  /**
+   * Starts a gesture because we detected a pointer down on the comment
+   * (that wasn't otherwise gobbled up, e.g. by resizing).
+   */
+  private startGesture(e: PointerEvent) {
+    const gesture = this.workspace.getGesture(e);
+    if (gesture) {
+      gesture.handleCommentStart(e, this);
+      common.setSelected(this);
+    }
+  }
+
+  /** Visually indicates that this comment would be deleted if dropped. */
+  setDeleteStyle(wouldDelete: boolean): void {
+    if (wouldDelete) {
+      dom.addClass(this.getSvgRoot(), 'blocklyDraggingDelete');
+    } else {
+      dom.removeClass(this.getSvgRoot(), 'blocklyDraggingDelete');
+    }
+  }
+
+  /** Returns whether this comment is movable or not. */
+  isMovable(): boolean {
+    return this.dragStrategy.isMovable();
+  }
+
+  /** Starts a drag on the comment. */
+  startDrag(): void {
+    this.dragStrategy.startDrag();
+  }
+
+  /** Drags the comment to the given location. */
+  drag(newLoc: Coordinate): void {
+    this.dragStrategy.drag(newLoc);
+  }
+
+  /** Ends the drag on the comment. */
+  endDrag(): void {
+    this.dragStrategy.endDrag();
+  }
+
+  /** Moves the comment back to where it was at the start of a drag. */
+  revertDrag(): void {
+    this.dragStrategy.revertDrag();
+  }
+
+  /** Visually highlights the comment. */
+  select(): void {
+    dom.addClass(this.getSvgRoot(), 'blocklySelected');
+  }
+
+  /** Visually unhighlights the comment. */
+  unselect(): void {
+    dom.removeClass(this.getSvgRoot(), 'blocklySelected');
+  }
+
+  /**
+   * Returns a JSON serializable representation of this comment's state that
+   * can be used for pasting.
+   */
+  toCopyData(): WorkspaceCommentCopyData | null {
+    return {
+      paster: WorkspaceCommentPaster.TYPE,
+      commentState: commentSerialization.save(this, {
+        addCoordinates: true,
+      }),
+    };
+  }
+
+  /** Show a context menu for this comment. */
+  showContextMenu(e: PointerEvent): void {
+    const menuOptions = ContextMenuRegistry.registry.getContextMenuOptions(
+      ContextMenuRegistry.ScopeType.COMMENT,
+      {comment: this},
+    );
+    contextMenu.show(e, menuOptions, this.workspace.RTL, this.workspace);
+  }
+
+  /** Snap this comment to the nearest grid point. */
+  snapToGrid(): void {
+    if (this.isDeadOrDying()) return;
+    const grid = this.workspace.getGrid();
+    if (!grid?.shouldSnap()) return;
+    const currentXY = this.getRelativeToSurfaceXY();
+    const alignedXY = grid.alignXY(currentXY);
+    if (alignedXY !== currentXY) {
+      this.moveTo(alignedXY, ['snap']);
+    }
+  }
+}
diff --git a/core/comments/workspace_comment.ts b/core/comments/workspace_comment.ts
new file mode 100644
index 00000000000..3c23aba86a2
--- /dev/null
+++ b/core/comments/workspace_comment.ts
@@ -0,0 +1,227 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {Workspace} from '../workspace.js';
+import {Size} from '../utils/size.js';
+import {Coordinate} from '../utils/coordinate.js';
+import * as idGenerator from '../utils/idgenerator.js';
+import * as eventUtils from '../events/utils.js';
+import {CommentMove} from '../events/events_comment_move.js';
+
+export class WorkspaceComment {
+  /** The unique identifier for this comment. */
+  public readonly id: string;
+
+  /** The text of the comment. */
+  private text = '';
+
+  /** The size of the comment in workspace units. */
+  private size = new Size(120, 100);
+
+  /** Whether the comment is collapsed or not. */
+  private collapsed = false;
+
+  /** Whether the comment is editable or not. */
+  private editable = true;
+
+  /** Whether the comment is movable or not. */
+  private movable = true;
+
+  /** Whether the comment is deletable or not. */
+  private deletable = true;
+
+  /** The location of the comment in workspace coordinates. */
+  protected location = new Coordinate(0, 0);
+
+  /** Whether this comment has been disposed or not. */
+  protected disposed = false;
+
+  /** Whether this comment is being disposed or not. */
+  protected disposing = false;
+
+  /**
+   * Constructs the comment.
+   *
+   * @param workspace The workspace to construct the comment in.
+   * @param id An optional ID to give to the comment. If not provided, one will
+   *     be generated.
+   */
+  constructor(
+    public readonly workspace: Workspace,
+    id?: string,
+  ) {
+    this.id = id && !workspace.getCommentById(id) ? id : idGenerator.genUid();
+
+    workspace.addTopComment(this);
+
+    this.fireCreateEvent();
+  }
+
+  private fireCreateEvent() {
+    if (eventUtils.isEnabled()) {
+      eventUtils.fire(new (eventUtils.get(eventUtils.COMMENT_CREATE))(this));
+    }
+  }
+
+  private fireDeleteEvent() {
+    if (eventUtils.isEnabled()) {
+      eventUtils.fire(new (eventUtils.get(eventUtils.COMMENT_DELETE))(this));
+    }
+  }
+
+  /** Fires a comment change event. */
+  private fireChangeEvent(oldText: string, newText: string) {
+    if (eventUtils.isEnabled()) {
+      eventUtils.fire(
+        new (eventUtils.get(eventUtils.COMMENT_CHANGE))(this, oldText, newText),
+      );
+    }
+  }
+
+  /** Fires a comment collapse event. */
+  private fireCollapseEvent(newCollapsed: boolean) {
+    if (eventUtils.isEnabled()) {
+      eventUtils.fire(
+        new (eventUtils.get(eventUtils.COMMENT_COLLAPSE))(this, newCollapsed),
+      );
+    }
+  }
+
+  /** Sets the text of the comment. */
+  setText(text: string) {
+    const oldText = this.text;
+    this.text = text;
+    this.fireChangeEvent(oldText, text);
+  }
+
+  /** Returns the text of the comment. */
+  getText(): string {
+    return this.text;
+  }
+
+  /** Sets the comment's size in workspace units. */
+  setSize(size: Size) {
+    this.size = size;
+  }
+
+  /** Returns the comment's size in workspace units. */
+  getSize(): Size {
+    return this.size;
+  }
+
+  /** Sets whether the comment is collapsed or not. */
+  setCollapsed(collapsed: boolean) {
+    this.collapsed = collapsed;
+    this.fireCollapseEvent(collapsed);
+  }
+
+  /** Returns whether the comment is collapsed or not. */
+  isCollapsed(): boolean {
+    return this.collapsed;
+  }
+
+  /** Sets whether the comment is editable or not. */
+  setEditable(editable: boolean) {
+    this.editable = editable;
+  }
+
+  /**
+   * Returns whether the comment is editable or not, respecting whether the
+   * workspace is read-only.
+   */
+  isEditable(): boolean {
+    return this.isOwnEditable() && !this.workspace.options.readOnly;
+  }
+
+  /**
+   * Returns whether the comment is editable or not, only examining its own
+   * state and ignoring the state of the workspace.
+   */
+  isOwnEditable(): boolean {
+    return this.editable;
+  }
+
+  /** Sets whether the comment is movable or not. */
+  setMovable(movable: boolean) {
+    this.movable = movable;
+  }
+
+  /**
+   * Returns whether the comment is movable or not, respecting whether the
+   * workspace is read-only.
+   */
+  isMovable() {
+    return this.isOwnMovable() && !this.workspace.options.readOnly;
+  }
+
+  /**
+   * Returns whether the comment is movable or not, only examining its own
+   * state and ignoring the state of the workspace.
+   */
+  isOwnMovable() {
+    return this.movable;
+  }
+
+  /** Sets whether the comment is deletable or not. */
+  setDeletable(deletable: boolean) {
+    this.deletable = deletable;
+  }
+
+  /**
+   * Returns whether the comment is deletable or not, respecting whether the
+   * workspace is read-only.
+   */
+  isDeletable(): boolean {
+    return this.isOwnDeletable() && !this.workspace.options.readOnly;
+  }
+
+  /**
+   * Returns whether the comment is deletable or not, only examining its own
+   * state and ignoring the state of the workspace.
+   */
+  isOwnDeletable(): boolean {
+    return this.deletable;
+  }
+
+  /** Moves the comment to the given location in workspace coordinates. */
+  moveTo(location: Coordinate, reason?: string[] | undefined) {
+    const event = new (eventUtils.get(eventUtils.COMMENT_MOVE))(
+      this,
+    ) as CommentMove;
+    if (reason) event.setReason(reason);
+
+    this.location = location;
+
+    event.recordNew();
+    if (eventUtils.isEnabled()) eventUtils.fire(event);
+  }
+
+  /** Returns the position of the comment in workspace coordinates. */
+  getRelativeToSurfaceXY(): Coordinate {
+    return this.location;
+  }
+
+  /** Disposes of this comment. */
+  dispose() {
+    this.disposing = true;
+    this.fireDeleteEvent();
+    this.workspace.removeTopComment(this);
+    this.disposed = true;
+  }
+
+  /** Returns whether the comment has been disposed or not. */
+  isDisposed() {
+    return this.disposed;
+  }
+
+  /**
+   * Returns true if this comment view is currently being disposed or has
+   * already been disposed.
+   */
+  isDeadOrDying(): boolean {
+    return this.disposing || this.disposed;
+  }
+}
diff --git a/core/common.ts b/core/common.ts
new file mode 100644
index 00000000000..fba960a5b5a
--- /dev/null
+++ b/core/common.ts
@@ -0,0 +1,305 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.common
+
+/* eslint-disable-next-line no-unused-vars */
+import type {Block} from './block.js';
+import {ISelectable} from './blockly.js';
+import {BlockDefinition, Blocks} from './blocks.js';
+import type {Connection} from './connection.js';
+import type {Workspace} from './workspace.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+import * as eventUtils from './events/utils.js';
+
+/** Database of all workspaces. */
+const WorkspaceDB_ = Object.create(null);
+
+/**
+ * Find the workspace with the specified ID.
+ *
+ * @param id ID of workspace to find.
+ * @returns The sought after workspace or null if not found.
+ */
+export function getWorkspaceById(id: string): Workspace | null {
+  return WorkspaceDB_[id] || null;
+}
+
+/**
+ * Find all workspaces.
+ *
+ * @returns Array of workspaces.
+ */
+export function getAllWorkspaces(): Workspace[] {
+  const workspaces = [];
+  for (const workspaceId in WorkspaceDB_) {
+    workspaces.push(WorkspaceDB_[workspaceId]);
+  }
+  return workspaces;
+}
+
+/**
+ * Register a workspace in the workspace db.
+ *
+ * @param workspace
+ */
+export function registerWorkspace(workspace: Workspace) {
+  WorkspaceDB_[workspace.id] = workspace;
+}
+
+/**
+ * Unregister a workspace from the workspace db.
+ *
+ * @param workspace
+ */
+export function unregisterWorkpace(workspace: Workspace) {
+  delete WorkspaceDB_[workspace.id];
+}
+
+/**
+ * The main workspace most recently used.
+ * Set by Blockly.WorkspaceSvg.prototype.markFocused
+ */
+let mainWorkspace: Workspace;
+
+/**
+ * Returns the last used top level workspace (based on focus).  Try not to use
+ * this function, particularly if there are multiple Blockly instances on a
+ * page.
+ *
+ * @returns The main workspace.
+ */
+export function getMainWorkspace(): Workspace {
+  return mainWorkspace;
+}
+
+/**
+ * Sets last used main workspace.
+ *
+ * @param workspace The most recently used top level workspace.
+ */
+export function setMainWorkspace(workspace: Workspace) {
+  mainWorkspace = workspace;
+}
+
+/**
+ * Currently selected copyable object.
+ */
+let selected: ISelectable | null = null;
+
+/**
+ * Returns the currently selected copyable object.
+ */
+export function getSelected(): ISelectable | null {
+  return selected;
+}
+
+/**
+ * Sets the currently selected block. This function does not visually mark the
+ * block as selected or fire the required events. If you wish to
+ * programmatically select a block, use `BlockSvg#select`.
+ *
+ * @param newSelection The newly selected block.
+ * @internal
+ */
+export function setSelected(newSelection: ISelectable | null) {
+  if (selected === newSelection) return;
+
+  const event = new (eventUtils.get(eventUtils.SELECTED))(
+    selected?.id ?? null,
+    newSelection?.id ?? null,
+    newSelection?.workspace.id ?? selected?.workspace.id ?? '',
+  );
+  eventUtils.fire(event);
+
+  selected?.unselect();
+  selected = newSelection;
+  selected?.select();
+}
+
+/**
+ * Container element in which to render the WidgetDiv, DropDownDiv and Tooltip.
+ */
+let parentContainer: Element | null;
+
+/**
+ * Get the container element in which to render the WidgetDiv, DropDownDiv and
+ * Tooltip.
+ *
+ * @returns The parent container.
+ */
+export function getParentContainer(): Element | null {
+  return parentContainer;
+}
+
+/**
+ * Set the parent container.  This is the container element that the WidgetDiv,
+ * DropDownDiv, and Tooltip are rendered into the first time `Blockly.inject`
+ * is called.
+ * This method is a NOP if called after the first `Blockly.inject`.
+ *
+ * @param newParent The container element.
+ */
+export function setParentContainer(newParent: Element) {
+  parentContainer = newParent;
+}
+
+/**
+ * Size the SVG image to completely fill its container. Call this when the view
+ * actually changes sizes (e.g. on a window resize/device orientation change).
+ * See workspace.resizeContents to resize the workspace when the contents
+ * change (e.g. when a block is added or removed).
+ * Record the height/width of the SVG image.
+ *
+ * @param workspace Any workspace in the SVG.
+ */
+export function svgResize(workspace: WorkspaceSvg) {
+  let mainWorkspace = workspace;
+  while (mainWorkspace.options.parentWorkspace) {
+    mainWorkspace = mainWorkspace.options.parentWorkspace;
+  }
+  const svg = mainWorkspace.getParentSvg();
+  const cachedSize = mainWorkspace.getCachedParentSvgSize();
+  const div = svg.parentElement;
+  if (!(div instanceof HTMLElement)) {
+    // Workspace deleted, or something.
+    return;
+  }
+
+  const width = div.offsetWidth;
+  const height = div.offsetHeight;
+  if (cachedSize.width !== width) {
+    svg.setAttribute('width', width + 'px');
+    mainWorkspace.setCachedParentSvgSize(width, null);
+  }
+  if (cachedSize.height !== height) {
+    svg.setAttribute('height', height + 'px');
+    mainWorkspace.setCachedParentSvgSize(null, height);
+  }
+  mainWorkspace.resize();
+}
+
+/**
+ * All of the connections on blocks that are currently being dragged.
+ */
+export const draggingConnections: Connection[] = [];
+
+/**
+ * Get a map of all the block's descendants mapping their type to the number of
+ *    children with that type.
+ *
+ * @param block The block to map.
+ * @param opt_stripFollowing Optionally ignore all following
+ *    statements (blocks that are not inside a value or statement input
+ *    of the block).
+ * @returns Map of types to type counts for descendants of the bock.
+ */
+export function getBlockTypeCounts(
+  block: Block,
+  opt_stripFollowing?: boolean,
+): {[key: string]: number} {
+  const typeCountsMap = Object.create(null);
+  const descendants = block.getDescendants(true);
+  if (opt_stripFollowing) {
+    const nextBlock = block.getNextBlock();
+    if (nextBlock) {
+      const index = descendants.indexOf(nextBlock);
+      descendants.splice(index, descendants.length - index);
+    }
+  }
+  for (let i = 0, checkBlock; (checkBlock = descendants[i]); i++) {
+    if (typeCountsMap[checkBlock.type]) {
+      typeCountsMap[checkBlock.type]++;
+    } else {
+      typeCountsMap[checkBlock.type] = 1;
+    }
+  }
+  return typeCountsMap;
+}
+
+/**
+ * Helper function for defining a block from JSON.  The resulting function has
+ * the correct value of jsonDef at the point in code where jsonInit is called.
+ *
+ * @param jsonDef The JSON definition of a block.
+ * @returns A function that calls jsonInit with the correct value
+ *     of jsonDef.
+ */
+function jsonInitFactory(jsonDef: AnyDuringMigration): () => void {
+  return function (this: Block) {
+    this.jsonInit(jsonDef);
+  };
+}
+
+/**
+ * Define blocks from an array of JSON block definitions, as might be generated
+ * by the Blockly Developer Tools.
+ *
+ * @param jsonArray An array of JSON block definitions.
+ */
+export function defineBlocksWithJsonArray(jsonArray: AnyDuringMigration[]) {
+  TEST_ONLY.defineBlocksWithJsonArrayInternal(jsonArray);
+}
+
+/**
+ * Private version of defineBlocksWithJsonArray for stubbing in tests.
+ */
+function defineBlocksWithJsonArrayInternal(jsonArray: AnyDuringMigration[]) {
+  defineBlocks(createBlockDefinitionsFromJsonArray(jsonArray));
+}
+
+/**
+ * Define blocks from an array of JSON block definitions, as might be generated
+ * by the Blockly Developer Tools.
+ *
+ * @param jsonArray An array of JSON block definitions.
+ * @returns A map of the block
+ *     definitions created.
+ */
+export function createBlockDefinitionsFromJsonArray(
+  jsonArray: AnyDuringMigration[],
+): {[key: string]: BlockDefinition} {
+  const blocks: {[key: string]: BlockDefinition} = {};
+  for (let i = 0; i < jsonArray.length; i++) {
+    const elem = jsonArray[i];
+    if (!elem) {
+      console.warn(`Block definition #${i} in JSON array is ${elem}. Skipping`);
+      continue;
+    }
+    const type = elem['type'];
+    if (!type) {
+      console.warn(
+        `Block definition #${i} in JSON array is missing a type attribute. ` +
+          'Skipping.',
+      );
+      continue;
+    }
+    blocks[type] = {init: jsonInitFactory(elem)};
+  }
+  return blocks;
+}
+
+/**
+ * Add the specified block definitions to the block definitions
+ * dictionary (Blockly.Blocks).
+ *
+ * @param blocks A map of block
+ *     type names to block definitions.
+ */
+export function defineBlocks(blocks: {[key: string]: BlockDefinition}) {
+  // Iterate over own enumerable properties.
+  for (const type of Object.keys(blocks)) {
+    const definition = blocks[type];
+    if (type in Blocks) {
+      console.warn(
+        `Block definition "${type}" overwrites previous definition.`,
+      );
+    }
+    Blocks[type] = definition;
+  }
+}
+
+export const TEST_ONLY = {defineBlocksWithJsonArrayInternal};
diff --git a/core/component_manager.ts b/core/component_manager.ts
new file mode 100644
index 00000000000..b9654c94ec5
--- /dev/null
+++ b/core/component_manager.ts
@@ -0,0 +1,235 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Manager for all items registered with the workspace.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.ComponentManager
+
+import type {IAutoHideable} from './interfaces/i_autohideable.js';
+import type {IComponent} from './interfaces/i_component.js';
+import type {IDeleteArea} from './interfaces/i_delete_area.js';
+import type {IDragTarget} from './interfaces/i_drag_target.js';
+import type {IPositionable} from './interfaces/i_positionable.js';
+import * as arrayUtils from './utils/array.js';
+
+class Capability<_T> {
+  static POSITIONABLE = new Capability<IPositionable>('positionable');
+  static DRAG_TARGET = new Capability<IDragTarget>('drag_target');
+  static DELETE_AREA = new Capability<IDeleteArea>('delete_area');
+  static AUTOHIDEABLE = new Capability<IAutoHideable>('autohideable');
+  private readonly name_: string;
+  /** @param name The name of the component capability. */
+  constructor(name: string) {
+    this.name_ = name;
+  }
+
+  /**
+   * Returns the name of the capability.
+   *
+   * @returns The name.
+   */
+  toString(): string {
+    return this.name_;
+  }
+}
+
+/**
+ * Manager for all items registered with the workspace.
+ */
+export class ComponentManager {
+  static Capability = Capability;
+
+  /**
+   * A map of the components registered with the workspace, mapped to id.
+   */
+  private readonly componentData = new Map<string, ComponentDatum>();
+
+  /** A map of capabilities to component IDs. */
+  private readonly capabilityToComponentIds = new Map<string, string[]>();
+
+  /**
+   * Adds a component.
+   *
+   * @param componentInfo The data for the component to register.
+   * @param opt_allowOverrides True to prevent an error when overriding an
+   *     already registered item.
+   */
+  addComponent(componentInfo: ComponentDatum, opt_allowOverrides?: boolean) {
+    // Don't throw an error if opt_allowOverrides is true.
+    const id = componentInfo.component.id;
+    if (!opt_allowOverrides && this.componentData.has(id)) {
+      throw Error(
+        'Plugin "' +
+          id +
+          '" with capabilities "' +
+          this.componentData.get(id)?.capabilities +
+          '" already added.',
+      );
+    }
+    this.componentData.set(id, componentInfo);
+    const stringCapabilities = [];
+    for (let i = 0; i < componentInfo.capabilities.length; i++) {
+      const capability = String(componentInfo.capabilities[i]).toLowerCase();
+      stringCapabilities.push(capability);
+      if (!this.capabilityToComponentIds.has(capability)) {
+        this.capabilityToComponentIds.set(capability, [id]);
+      } else {
+        this.capabilityToComponentIds.get(capability)?.push(id);
+      }
+    }
+    this.componentData.get(id)!.capabilities = stringCapabilities;
+  }
+
+  /**
+   * Removes a component.
+   *
+   * @param id The ID of the component to remove.
+   */
+  removeComponent(id: string) {
+    const componentInfo = this.componentData.get(id);
+    if (!componentInfo) {
+      return;
+    }
+    for (let i = 0; i < componentInfo.capabilities.length; i++) {
+      const capability = String(componentInfo.capabilities[i]).toLowerCase();
+      arrayUtils.removeElem(this.capabilityToComponentIds.get(capability)!, id);
+    }
+    this.componentData.delete(id);
+  }
+
+  /**
+   * Adds a capability to a existing registered component.
+   *
+   * @param id The ID of the component to add the capability to.
+   * @param capability The capability to add.
+   */
+  addCapability<T>(id: string, capability: string | Capability<T>) {
+    if (!this.getComponent(id)) {
+      throw Error(
+        'Cannot add capability, "' +
+          capability +
+          '". Plugin "' +
+          id +
+          '" has not been added to the ComponentManager',
+      );
+    }
+    if (this.hasCapability(id, capability)) {
+      console.warn(
+        'Plugin "' + id + 'already has capability "' + capability + '"',
+      );
+      return;
+    }
+    capability = `${capability}`.toLowerCase();
+    this.componentData.get(id)?.capabilities.push(capability);
+    this.capabilityToComponentIds.get(capability)?.push(id);
+  }
+
+  /**
+   * Removes a capability from an existing registered component.
+   *
+   * @param id The ID of the component to remove the capability from.
+   * @param capability The capability to remove.
+   */
+  removeCapability<T>(id: string, capability: string | Capability<T>) {
+    if (!this.getComponent(id)) {
+      throw Error(
+        'Cannot remove capability, "' +
+          capability +
+          '". Plugin "' +
+          id +
+          '" has not been added to the ComponentManager',
+      );
+    }
+    if (!this.hasCapability(id, capability)) {
+      console.warn(
+        'Plugin "' +
+          id +
+          'doesn\'t have capability "' +
+          capability +
+          '" to remove',
+      );
+      return;
+    }
+    capability = `${capability}`.toLowerCase();
+    arrayUtils.removeElem(this.componentData.get(id)!.capabilities, capability);
+    arrayUtils.removeElem(this.capabilityToComponentIds.get(capability)!, id);
+  }
+
+  /**
+   * Returns whether the component with this id has the specified capability.
+   *
+   * @param id The ID of the component to check.
+   * @param capability The capability to check for.
+   * @returns Whether the component has the capability.
+   */
+  hasCapability<T>(id: string, capability: string | Capability<T>): boolean {
+    capability = `${capability}`.toLowerCase();
+    return (
+      this.componentData.has(id) &&
+      this.componentData.get(id)!.capabilities.includes(capability)
+    );
+  }
+
+  /**
+   * Gets the component with the given ID.
+   *
+   * @param id The ID of the component to get.
+   * @returns The component with the given name or undefined if not found.
+   */
+  getComponent(id: string): IComponent | undefined {
+    return this.componentData.get(id)?.component;
+  }
+
+  /**
+   * Gets all the components with the specified capability.
+   *
+   * @param capability The capability of the component.
+   * @param sorted Whether to return list ordered by weights.
+   * @returns The components that match the specified capability.
+   */
+  getComponents<T extends IComponent>(
+    capability: string | Capability<T>,
+    sorted: boolean,
+  ): T[] {
+    capability = `${capability}`.toLowerCase();
+    const componentIds = this.capabilityToComponentIds.get(capability);
+    if (!componentIds) {
+      return [];
+    }
+    const components: T[] = [];
+    if (sorted) {
+      const componentDataList: ComponentDatum[] = [];
+      componentIds.forEach((id) => {
+        componentDataList.push(this.componentData.get(id)!);
+      });
+      componentDataList.sort(function (a, b) {
+        return a.weight - b.weight;
+      });
+      componentDataList.forEach(function (componentDatum) {
+        components.push(componentDatum.component as T);
+      });
+    } else {
+      componentIds.forEach((id) => {
+        components.push(this.componentData.get(id)!.component as T);
+      });
+    }
+    return components;
+  }
+}
+
+export namespace ComponentManager {
+  /** An object storing component information. */
+  export interface ComponentDatum {
+    component: IComponent;
+    capabilities: Array<string | Capability<IComponent>>;
+    weight: number;
+  }
+}
+
+export type ComponentDatum = ComponentManager.ComponentDatum;
diff --git a/core/components/component.js b/core/components/component.js
deleted file mode 100644
index cca8285d50c..00000000000
--- a/core/components/component.js
+++ /dev/null
@@ -1,554 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Definition of the Blockly.Component class.
- * This class is similar to Closure's goog.ui.Component class.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.Component');
-
-goog.provide('Blockly.Component.Error');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.IdGenerator');
-goog.require('Blockly.utils.style');
-
-
-/**
- * Default implementation of a UI component.
- * Similar to Closure's goog.ui.Component.
- *
- * @constructor
- */
-Blockly.Component = function() {
-
-  /**
-   * Whether the component is rendered right-to-left.
-   * @type {boolean}
-   * @protected
-   */
-  this.rightToLeft_ = Blockly.Component.defaultRightToLeft;
-
-  /**
-   * Unique ID of the component, lazily initialized in {@link
-   * Blockly.Component#getId} if needed.  This property is strictly private and
-   * must not be accessed directly outside of this class!
-   * @type {?string}
-   * @private
-   */
-  this.id_ = null;
-
-  /**
-   * Whether the component is in the document.
-   * @type {boolean}
-   * @private
-   */
-  this.inDocument_ = false;
-
-  /**
-   * The DOM element for the component.
-   * @type {?Element}
-   * @private
-   */
-  this.element_ = null;
-
-  /**
-   * Parent component to which events will be propagated.  This property is
-   * strictly private and must not be accessed directly outside of this class!
-   * @type {?Blockly.Component}
-   * @private
-   */
-  this.parent_ = null;
-
-  /**
-   * Array of child components.
-   * Must be kept in sync with `childIndex_`.  This property is strictly
-   * private and must not be accessed directly outside of this class!
-   * @type {?Array.<?Blockly.Component>}
-   * @private
-   */
-  this.children_ = [];
-
-  /**
-   * Map of child component IDs to child components.  Used for constant-time
-   * random access to child components by ID.
-   * Must be kept in sync with `children_`.  This property is strictly
-   * private and must not be accessed directly outside of this class!
-   *
-   * @type {?Object}
-   * @private
-   */
-  this.childIndex_ = {};
-
-  /**
-   * Whether or not the component has been disposed.
-   * @type {boolean}
-   * @private
-   */
-  this.disposed_ = false;
-};
-
-
-/**
- * The default right to left value.
- * @type {boolean}
- * @package
- */
-Blockly.Component.defaultRightToLeft = false;
-
-/**
- * Errors thrown by the component.
- * @enum {string}
- */
-Blockly.Component.Error = {
-  /**
-   * Error when the component is already rendered and another render attempt is
-   * made.
-   */
-  ALREADY_RENDERED: 'Component already rendered',
-
-  /**
-   * Error when an attempt is made to set the parent of a component in a way
-   * that would result in an inconsistent object graph.
-   */
-  PARENT_UNABLE_TO_BE_SET: 'Unable to set parent component',
-
-  /**
-   * Error when an attempt is made to add a child component at an out-of-bounds
-   * index.  We don't support sparse child arrays.
-   */
-  CHILD_INDEX_OUT_OF_BOUNDS: 'Child component index out of bounds',
-
-  /**
-   * Error when calling an abstract method that should be overriden.
-   */
-  ABSTRACT_METHOD: 'Unimplemented abstract method'
-};
-
-/**
- * Gets the unique ID for the instance of this component.  If the instance
- * doesn't already have an ID, generates one on the fly.
- * @return {string} Unique component ID.
- * @package
- */
-Blockly.Component.prototype.getId = function() {
-  return this.id_ || (this.id_ = Blockly.utils.IdGenerator.getNextUniqueId());
-};
-
-/**
- * Gets the component's element.
- * @return {Element} The element for the component.
- * @package
- */
-Blockly.Component.prototype.getElement = function() {
-  return this.element_;
-};
-
-/**
- * Sets the component's root element to the given element.  Considered
- * protected and final.
- *
- * This should generally only be called during createDom. Setting the element
- * does not actually change which element is rendered, only the element that is
- * associated with this UI component.
- *
- * This should only be used by subclasses and its associated renderers.
- *
- * @param {Element} element Root element for the component.
- * @protected
- */
-Blockly.Component.prototype.setElementInternal = function(element) {
-  this.element_ = element;
-};
-
-/**
- * Sets the parent of this component to use for event bubbling.  Throws an error
- * if the component already has a parent or if an attempt is made to add a
- * component to itself as a child.
- * @param {Blockly.Component} parent The parent component.
- * @protected
- */
-Blockly.Component.prototype.setParent = function(parent) {
-  if (this == parent) {
-    // Attempting to add a child to itself is an error.
-    throw Error(Blockly.Component.Error.PARENT_UNABLE_TO_BE_SET);
-  }
-
-  if (parent && this.parent_ && this.id_ && this.parent_.getChild(this.id_) &&
-      this.parent_ != parent) {
-    // This component is already the child of some parent.
-    throw Error(Blockly.Component.Error.PARENT_UNABLE_TO_BE_SET);
-  }
-
-  this.parent_ = parent;
-};
-
-/**
- * Returns the component's parent, if any.
- * @return {?Blockly.Component} The parent component.
- * @protected
- */
-Blockly.Component.prototype.getParent = function() {
-  return this.parent_;
-};
-
-/**
- * Determines whether the component has been added to the document.
- * @return {boolean} TRUE if rendered. Otherwise, FALSE.
- * @protected
- */
-Blockly.Component.prototype.isInDocument = function() {
-  return this.inDocument_;
-};
-
-/**
- * Creates the initial DOM representation for the component.
- * @protected
- */
-Blockly.Component.prototype.createDom = function() {
-  throw Error(Blockly.Component.Error.ABSTRACT_METHOD);
-};
-
-/**
- * Renders the component.  If a parent element is supplied, the component's
- * element will be appended to it.  If there is no optional parent element and
- * the element doesn't have a parentNode then it will be appended to the
- * document body.
- *
- * If this component has a parent component, and the parent component is
- * not in the document already, then this will not call `enterDocument`
- * on this component.
- *
- * Throws an Error if the component is already rendered.
- *
- * @param {Element=} opt_parentElement Optional parent element to render the
- *    component into.
- * @package
- */
-Blockly.Component.prototype.render = function(opt_parentElement) {
-  this.render_(opt_parentElement);
-};
-
-/**
- * Renders the component.  If a parent element is supplied, the component's
- * element will be appended to it.  If there is no optional parent element and
- * the element doesn't have a parentNode then it will be appended to the
- * document body.
- *
- * If this component has a parent component, and the parent component is
- * not in the document already, then this will not call `enterDocument`
- * on this component.
- *
- * Throws an Error if the component is already rendered.
- *
- * @param {Element=} opt_parentElement Optional parent element to render the
- *    component into.
- * @param {Node=} opt_beforeNode Node before which the component is to
- *    be rendered.  If left out the node is appended to the parent element.
- * @private
- */
-Blockly.Component.prototype.render_ = function(
-    opt_parentElement, opt_beforeNode) {
-  if (this.inDocument_) {
-    throw Error(Blockly.Component.Error.ALREADY_RENDERED);
-  }
-
-  if (!this.element_) {
-    this.createDom();
-  }
-
-  if (opt_parentElement) {
-    opt_parentElement.insertBefore(this.element_, opt_beforeNode || null);
-  } else {
-    document.body.appendChild(this.element_);
-  }
-
-  // If this component has a parent component that isn't in the document yet,
-  // we don't call enterDocument() here.  Instead, when the parent component
-  // enters the document, the enterDocument() call will propagate to its
-  // children, including this one.  If the component doesn't have a parent
-  // or if the parent is already in the document, we call enterDocument().
-  if (!this.parent_ || this.parent_.isInDocument()) {
-    this.enterDocument();
-  }
-};
-
-/**
- * Called when the component's element is known to be in the document. Anything
- * using document.getElementById etc. should be done at this stage.
- *
- * If the component contains child components, this call is propagated to its
- * children.
- * @protected
- */
-Blockly.Component.prototype.enterDocument = function() {
-  this.inDocument_ = true;
-
-  // Propagate enterDocument to child components that have a DOM, if any.
-  // If a child was decorated before entering the document (permitted when
-  // Blockly.Component.ALLOW_DETACHED_DECORATION is true), its enterDocument
-  // will be called here.
-  this.forEachChild(function(child) {
-    if (!child.isInDocument() && child.getElement()) {
-      child.enterDocument();
-    }
-  });
-};
-
-/**
- * Called by dispose to clean up the elements and listeners created by a
- * component, or by a parent component/application who has removed the
- * component from the document but wants to reuse it later.
- *
- * If the component contains child components, this call is propagated to its
- * children.
- *
- * It should be possible for the component to be rendered again once this method
- * has been called.
- * @protected
- */
-Blockly.Component.prototype.exitDocument = function() {
-  // Propagate exitDocument to child components that have been rendered, if any.
-  this.forEachChild(function(child) {
-    if (child.isInDocument()) {
-      child.exitDocument();
-    }
-  });
-
-  this.inDocument_ = false;
-};
-
-/**
- * Disposes of the object. If the object hasn't already been disposed of, calls
- * {@link #disposeInternal}.
- * @package
- */
-Blockly.Component.prototype.dispose = function() {
-  if (!this.disposed_) {
-    // Set disposed_ to true first, in case during the chain of disposal this
-    // gets disposed recursively.
-    this.disposed_ = true;
-    this.disposeInternal();
-  }
-};
-
-/**
- * Disposes of the component.  Calls `exitDocument`, which is expected to
- * remove event handlers and clean up the component.  Propagates the call to
- * the component's children, if any. Removes the component's DOM from the
- * document.
- * @protected
- */
-Blockly.Component.prototype.disposeInternal = function() {
-  if (this.inDocument_) {
-    this.exitDocument();
-  }
-
-  // Disposes of the component's children, if any.
-  this.forEachChild(function(child) { child.dispose(); });
-
-  // Detach the component's element from the DOM.
-  if (this.element_) {
-    Blockly.utils.dom.removeNode(this.element_);
-  }
-
-  this.children_ = null;
-  this.childIndex_ = null;
-  this.element_ = null;
-  this.parent_ = null;
-};
-
-/**
- * Adds the specified component as the last child of this component.  See
- * {@link Blockly.Component#addChildAt} for detailed semantics.
- *
- * @see Blockly.Component#addChildAt
- * @param {Blockly.Component} child The new child component.
- * @param {boolean=} opt_render If true, the child component will be rendered
- *    into the parent.
- * @package
- */
-Blockly.Component.prototype.addChild = function(child, opt_render) {
-  this.addChildAt(child, this.getChildCount(), opt_render);
-};
-
-/**
- * Adds the specified component as a child of this component at the given
- * 0-based index.
- *
- * Both `addChild` and `addChildAt` assume the following contract
- * between parent and child components:
- *  <ul>
- *    <li>the child component's element must be a descendant of the parent
- *        component's element, and
- *    <li>the DOM state of the child component must be consistent with the DOM
- *        state of the parent component (see `isInDocument`) in the
- *        steady state -- the exception is to addChildAt(child, i, false) and
- *        then immediately decorate/render the child.
- *  </ul>
- *
- * In particular, `parent.addChild(child)` will throw an error if the
- * child component is already in the document, but the parent isn't.
- *
- * Clients of this API may call `addChild` and `addChildAt` with
- * `opt_render` set to true.  If `opt_render` is true, calling these
- * methods will automatically render the child component's element into the
- * parent component's element. If the parent does not yet have an element, then
- * `createDom` will automatically be invoked on the parent before
- * rendering the child.
- *
- * Invoking {@code parent.addChild(child, true)} will throw an error if the
- * child component is already in the document, regardless of the parent's DOM
- * state.
- *
- * If `opt_render` is true and the parent component is not already
- * in the document, `enterDocument` will not be called on this component
- * at this point.
- *
- * Finally, this method also throws an error if the new child already has a
- * different parent, or the given index is out of bounds.
- *
- * @see Blockly.Component#addChild
- * @param {Blockly.Component} child The new child component.
- * @param {number} index 0-based index at which the new child component is to be
- *    added; must be between 0 and the current child count (inclusive).
- * @param {boolean=} opt_render If true, the child component will be rendered
- *    into the parent.
- * @protected
- */
-Blockly.Component.prototype.addChildAt = function(child, index, opt_render) {
-  if (child.inDocument_ && (opt_render || !this.inDocument_)) {
-    // Adding a child that's already in the document is an error, except if the
-    // parent is also in the document and opt_render is false (e.g. decorate()).
-    throw Error(Blockly.Component.Error.ALREADY_RENDERED);
-  }
-
-  if (index < 0 || index > this.getChildCount()) {
-    // Allowing sparse child arrays would lead to strange behavior, so we don't.
-    throw Error(Blockly.Component.Error.CHILD_INDEX_OUT_OF_BOUNDS);
-  }
-
-  // Moving child within component, remove old reference.
-  this.childIndex_[child.getId()] = child;
-  if (child.getParent() == this) {
-    // Remove from this.children_
-    var i = this.children_.indexOf(child);
-    if (i > -1) {
-      this.children_.splice(i, 1);
-    }
-  }
-
-  // Set the parent of the child to this component.  This throws an error if
-  // the child is already contained by another component.
-  child.setParent(this);
-  this.children_.splice(index, 0, child);
-
-  if (child.inDocument_ && this.inDocument_ && child.getParent() == this) {
-    // Changing the position of an existing child, move the DOM node (if
-    // necessary).
-    var contentElement = this.getContentElement();
-    var insertBeforeElement = contentElement.childNodes[index] || null;
-    if (insertBeforeElement != child.getElement()) {
-      contentElement.insertBefore(child.getElement(), insertBeforeElement);
-    }
-  } else if (opt_render) {
-    // If this (parent) component doesn't have a DOM yet, call createDom now
-    // to make sure we render the child component's element into the correct
-    // parent element (otherwise render_ with a null first argument would
-    // render the child into the document body, which is almost certainly not
-    // what we want).
-    if (!this.element_) {
-      this.createDom();
-    }
-    // Render the child into the parent at the appropriate location.  Note that
-    // getChildAt(index + 1) returns undefined if inserting at the end.
-    var sibling = this.getChildAt(index + 1);
-    // render_() calls enterDocument() if the parent is already in the document.
-    child.render_(this.getContentElement(), sibling ? sibling.element_ : null);
-  } else if (this.inDocument_ && !child.inDocument_ && child.element_ &&
-      child.element_.parentNode &&
-      // Under some circumstances, IE8 implicitly creates a Document Fragment
-      // for detached nodes, so ensure the parent is an Element as it should be.
-      child.element_.parentNode.nodeType ==
-          Blockly.utils.dom.NodeType.ELEMENT_NODE) {
-    // We don't touch the DOM, but if the parent is in the document, and the
-    // child element is in the document but not marked as such, then we call
-    // enterDocument on the child.
-    child.enterDocument();
-  }
-};
-
-/**
- * Returns the DOM element into which child components are to be rendered,
- * or null if the component itself hasn't been rendered yet.  This default
- * implementation returns the component's root element.  Subclasses with
- * complex DOM structures must override this method.
- * @return {Element} Element to contain child elements (null if none).
- * @protected
- */
-Blockly.Component.prototype.getContentElement = function() {
-  return this.element_;
-};
-
-/**
- * Returns true if the component has children.
- * @return {boolean} True if the component has children.
- * @protected
- */
-Blockly.Component.prototype.hasChildren = function() {
-  return this.children_.length != 0;
-};
-
-/**
- * Returns the number of children of this component.
- * @return {number} The number of children.
- * @protected
- */
-Blockly.Component.prototype.getChildCount = function() {
-  return this.children_.length;
-};
-
-/**
- * Returns the child with the given ID, or null if no such child exists.
- * @param {string} id Child component ID.
- * @return {?Blockly.Component} The child with the given ID; null if none.
- * @protected
- */
-Blockly.Component.prototype.getChild = function(id) {
-  // Use childIndex_ for O(1) access by ID.
-  return id ?
-      /** @type {Blockly.Component} */ (this.childIndex_[id]) || null : null;
-};
-
-/**
- * Returns the child at the given index, or null if the index is out of bounds.
- * @param {number} index 0-based index.
- * @return {?Blockly.Component} The child at the given index; null if none.
- * @protected
- */
-Blockly.Component.prototype.getChildAt = function(index) {
-  // Use children_ for access by index.
-  return this.children_[index] || null;
-};
-
-/**
- * Calls the given function on each of this component's children in order.  If
- * `opt_obj` is provided, it will be used as the 'this' object in the
- * function when called.  The function should take two arguments:  the child
- * component and its 0-based index.  The return value is ignored.
- * @param {function(this:T,?,number):?} f The function to call for every
- * child component; should take 2 arguments (the child and its index).
- * @param {T=} opt_obj Used as the 'this' object in f when called.
- * @template T
- * @protected
- */
-Blockly.Component.prototype.forEachChild = function(f, opt_obj) {
-  for (var i = 0; i < this.children_.length; i++) {
-    f.call(/** @type {?} */ (opt_obj), this.children_[i], i);
-  }
-};
diff --git a/core/config.ts b/core/config.ts
new file mode 100644
index 00000000000..9def1dca4e9
--- /dev/null
+++ b/core/config.ts
@@ -0,0 +1,65 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.config
+
+/**
+ * All the values that we expect developers to be able to change
+ * before injecting Blockly.
+ */
+interface Config {
+  dragRadius: number;
+  flyoutDragRadius: number;
+  snapRadius: number;
+  currentConnectionPreference: number;
+  bumpDelay: number;
+  connectingSnapRadius: number;
+}
+
+/** Default snap radius. */
+const DEFAULT_SNAP_RADIUS = 28;
+
+/**
+ * Object holding all the values on Blockly that we expect developers to be
+ * able to change.
+ */
+export const config: Config = {
+  /**
+   * Number of pixels the mouse must move before a drag starts.
+   *
+   */
+  dragRadius: 5,
+  /**
+   * Number of pixels the mouse must move before a drag/scroll starts from the
+   * flyout.  Because the drag-intention is determined when this is reached, it
+   * is larger than dragRadius so that the drag-direction is clearer.
+   *
+   */
+  flyoutDragRadius: 10,
+  /**
+   * Maximum misalignment between connections for them to snap together.
+   *
+   */
+  snapRadius: DEFAULT_SNAP_RADIUS,
+  /**
+   * Maximum misalignment between connections for them to snap together.
+   * This should be the same as the snap radius.
+   */
+  connectingSnapRadius: DEFAULT_SNAP_RADIUS,
+  /**
+   * How much to prefer staying connected to the current connection over moving
+   * to a new connection.  The current previewed connection is considered to be
+   * this much closer to the matching connection on the block than it actually
+   * is.
+   *
+   */
+  currentConnectionPreference: 8,
+  /**
+   * Delay in ms between trigger and bumping unconnected block out of alignment.
+   *
+   */
+  bumpDelay: 250,
+};
diff --git a/core/connection.js b/core/connection.js
deleted file mode 100644
index 6077d0cb2a2..00000000000
--- a/core/connection.js
+++ /dev/null
@@ -1,682 +0,0 @@
-/**
- * @license
- * Copyright 2011 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Components for creating connections between blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Connection');
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockMove');
-goog.require('Blockly.utils.deprecation');
-goog.require('Blockly.Xml');
-
-goog.requireType('Blockly.IASTNodeLocationWithBlock');
-goog.requireType('Blockly.IConnectionChecker');
-
-
-/**
- * Class for a connection between blocks.
- * @param {!Blockly.Block} source The block establishing this connection.
- * @param {number} type The type of the connection.
- * @constructor
- * @implements {Blockly.IASTNodeLocationWithBlock}
- */
-Blockly.Connection = function(source, type) {
-  /**
-   * @type {!Blockly.Block}
-   * @protected
-   */
-  this.sourceBlock_ = source;
-  /** @type {number} */
-  this.type = type;
-};
-
-/**
- * Constants for checking whether two connections are compatible.
- */
-Blockly.Connection.CAN_CONNECT = 0;
-Blockly.Connection.REASON_SELF_CONNECTION = 1;
-Blockly.Connection.REASON_WRONG_TYPE = 2;
-Blockly.Connection.REASON_TARGET_NULL = 3;
-Blockly.Connection.REASON_CHECKS_FAILED = 4;
-Blockly.Connection.REASON_DIFFERENT_WORKSPACES = 5;
-Blockly.Connection.REASON_SHADOW_PARENT = 6;
-Blockly.Connection.REASON_DRAG_CHECKS_FAILED = 7;
-
-/**
- * Connection this connection connects to.  Null if not connected.
- * @type {Blockly.Connection}
- */
-Blockly.Connection.prototype.targetConnection = null;
-
-/**
- * Has this connection been disposed of?
- * @type {boolean}
- * @package
- */
-Blockly.Connection.prototype.disposed = false;
-
-/**
- * List of compatible value types.  Null if all types are compatible.
- * @type {Array}
- * @private
- */
-Blockly.Connection.prototype.check_ = null;
-
-/**
- * DOM representation of a shadow block, or null if none.
- * @type {Element}
- * @private
- */
-Blockly.Connection.prototype.shadowDom_ = null;
-
-/**
- * Horizontal location of this connection.
- * @type {number}
- * @package
- */
-Blockly.Connection.prototype.x = 0;
-
-/**
- * Vertical location of this connection.
- * @type {number}
- * @package
- */
-Blockly.Connection.prototype.y = 0;
-
-/**
- * Connect two connections together.  This is the connection on the superior
- * block.
- * @param {!Blockly.Connection} childConnection Connection on inferior block.
- * @protected
- */
-Blockly.Connection.prototype.connect_ = function(childConnection) {
-  var parentConnection = this;
-  var parentBlock = parentConnection.getSourceBlock();
-  var childBlock = childConnection.getSourceBlock();
-  // Disconnect any existing parent on the child connection.
-  if (childConnection.isConnected()) {
-    childConnection.disconnect();
-  }
-  if (parentConnection.isConnected()) {
-    // Other connection is already connected to something.
-    // Disconnect it and reattach it or bump it as needed.
-    var orphanBlock = parentConnection.targetBlock();
-    var shadowDom = parentConnection.getShadowDom();
-    // Temporarily set the shadow DOM to null so it does not respawn.
-    parentConnection.shadowDom_ = null;
-    // Displaced shadow blocks dissolve rather than reattaching or bumping.
-    if (orphanBlock.isShadow()) {
-      // Save the shadow block so that field values are preserved.
-      // This cast assumes that a block can not be both a shadow block and an insertion marker.
-      shadowDom = /** @type {!Element} */ (Blockly.Xml.blockToDom(orphanBlock));
-      orphanBlock.dispose(false);
-      orphanBlock = null;
-    } else if (parentConnection.type == Blockly.INPUT_VALUE) {
-      // Value connections.
-      // If female block is already connected, disconnect and bump the male.
-      if (!orphanBlock.outputConnection) {
-        throw Error('Orphan block does not have an output connection.');
-      }
-      // Attempt to reattach the orphan at the end of the newly inserted
-      // block.  Since this block may be a row, walk down to the end
-      // or to the first (and only) shadow block.
-      var connection = Blockly.Connection.lastConnectionInRow(
-          childBlock, orphanBlock);
-      if (connection) {
-        orphanBlock.outputConnection.connect(connection);
-        orphanBlock = null;
-      }
-    } else if (parentConnection.type == Blockly.NEXT_STATEMENT) {
-      // Statement connections.
-      // Statement blocks may be inserted into the middle of a stack.
-      // Split the stack.
-      if (!orphanBlock.previousConnection) {
-        throw Error('Orphan block does not have a previous connection.');
-      }
-      // Attempt to reattach the orphan at the bottom of the newly inserted
-      // block.  Since this block may be a stack, walk down to the end.
-      var newBlock = childBlock;
-      while (newBlock.nextConnection) {
-        var nextBlock = newBlock.getNextBlock();
-        if (nextBlock && !nextBlock.isShadow()) {
-          newBlock = nextBlock;
-        } else {
-          var checker = orphanBlock.workspace.connectionChecker;
-          if (checker.canConnect(
-              orphanBlock.previousConnection, newBlock.nextConnection, false)) {
-            newBlock.nextConnection.connect(orphanBlock.previousConnection);
-            orphanBlock = null;
-          }
-          break;
-        }
-      }
-    }
-    if (orphanBlock) {
-      // Unable to reattach orphan.
-      parentConnection.disconnect();
-      if (Blockly.Events.recordUndo) {
-        // Bump it off to the side after a moment.
-        var group = Blockly.Events.getGroup();
-        setTimeout(function() {
-          // Verify orphan hasn't been deleted or reconnected.
-          if (orphanBlock.workspace && !orphanBlock.getParent()) {
-            Blockly.Events.setGroup(group);
-            if (orphanBlock.outputConnection) {
-              orphanBlock.outputConnection.onFailedConnect(parentConnection);
-            } else if (orphanBlock.previousConnection) {
-              orphanBlock.previousConnection.onFailedConnect(parentConnection);
-            }
-            Blockly.Events.setGroup(false);
-          }
-        }, Blockly.BUMP_DELAY);
-      }
-    }
-    // Restore the shadow DOM.
-    parentConnection.shadowDom_ = shadowDom;
-  }
-
-  var event;
-  if (Blockly.Events.isEnabled()) {
-    event = new Blockly.Events.BlockMove(childBlock);
-  }
-  // Establish the connections.
-  Blockly.Connection.connectReciprocally_(parentConnection, childConnection);
-  // Demote the inferior block so that one is a child of the superior one.
-  childBlock.setParent(parentBlock);
-  if (event) {
-    event.recordNew();
-    Blockly.Events.fire(event);
-  }
-};
-
-/**
- * Dispose of this connection and deal with connected blocks.
- * @package
- */
-Blockly.Connection.prototype.dispose = function() {
-
-  // isConnected returns true for shadows and non-shadows.
-  if (this.isConnected()) {
-    // Destroy the attached shadow block & its children (if it exists).
-    this.setShadowDom(null);
-
-    var targetBlock = this.targetBlock();
-    if (targetBlock) {
-      // Disconnect the attached normal block.
-      targetBlock.unplug();
-    }
-  }
-
-  this.disposed = true;
-};
-
-/**
- * Get the source block for this connection.
- * @return {!Blockly.Block} The source block.
- */
-Blockly.Connection.prototype.getSourceBlock = function() {
-  return this.sourceBlock_;
-};
-
-/**
- * Does the connection belong to a superior block (higher in the source stack)?
- * @return {boolean} True if connection faces down or right.
- */
-Blockly.Connection.prototype.isSuperior = function() {
-  return this.type == Blockly.INPUT_VALUE ||
-      this.type == Blockly.NEXT_STATEMENT;
-};
-
-/**
- * Is the connection connected?
- * @return {boolean} True if connection is connected to another connection.
- */
-Blockly.Connection.prototype.isConnected = function() {
-  return !!this.targetConnection;
-};
-
-/**
- * Checks whether the current connection can connect with the target
- * connection.
- * @param {Blockly.Connection} target Connection to check compatibility with.
- * @return {number} Blockly.Connection.CAN_CONNECT if the connection is legal,
- *    an error code otherwise.
- * @deprecated July 2020. Will be deleted July 2021. Use the workspace's
- *     connectionChecker instead.
- */
-Blockly.Connection.prototype.canConnectWithReason = function(target) {
-  Blockly.utils.deprecation.warn(
-      'Connection.prototype.canConnectWithReason',
-      'July 2020',
-      'July 2021',
-      'the workspace\'s connection checker');
-  return this.getConnectionChecker().canConnectWithReason(
-      this, target, false);
-};
-
-/**
- * Checks whether the current connection and target connection are compatible
- * and throws an exception if they are not.
- * @param {Blockly.Connection} target The connection to check compatibility
- *    with.
- * @package
- * @deprecated July 2020. Will be deleted July 2021. Use the workspace's
- *     connectionChecker instead.
- */
-Blockly.Connection.prototype.checkConnection = function(target) {
-  Blockly.utils.deprecation.warn(
-      'Connection.prototype.checkConnection',
-      'July 2020',
-      'July 2021',
-      'the workspace\'s connection checker');
-  var checker = this.getConnectionChecker();
-  var reason = checker.canConnectWithReason(this, target, false);
-  if (reason != Blockly.Connection.CAN_CONNECT) {
-    throw new Error(checker.getErrorMessage(reason, this, target));
-  }
-};
-
-/**
- * Get the workspace's connection type checker object.
- * @return {!Blockly.IConnectionChecker} The connection type checker for the
- *     source block's workspace.
- * @package
- */
-Blockly.Connection.prototype.getConnectionChecker = function() {
-  return this.sourceBlock_.workspace.connectionChecker;
-};
-
-/**
- * Check if the two connections can be dragged to connect to each other.
- * @param {!Blockly.Connection} candidate A nearby connection to check.
- * @return {boolean} True if the connection is allowed, false otherwise.
- * @deprecated July 2020. Will be deleted July 2021. Use the workspace's
- *     connectionChecker instead.
- */
-Blockly.Connection.prototype.isConnectionAllowed = function(candidate) {
-  Blockly.utils.deprecation.warn(
-      'Connection.prototype.isConnectionAllowed',
-      'July 2020',
-      'July 2021',
-      'the workspace\'s connection checker');
-  return this.getConnectionChecker().canConnect(this, candidate, true);
-};
-
-/**
- * Behavior after a connection attempt fails.
- * @param {!Blockly.Connection} _otherConnection Connection that this connection
- *     failed to connect to.
- * @package
- */
-Blockly.Connection.prototype.onFailedConnect = function(_otherConnection) {
-  // NOP
-};
-
-/**
- * Connect this connection to another connection.
- * @param {!Blockly.Connection} otherConnection Connection to connect to.
- */
-Blockly.Connection.prototype.connect = function(otherConnection) {
-  if (this.targetConnection == otherConnection) {
-    // Already connected together.  NOP.
-    return;
-  }
-
-  var checker = this.getConnectionChecker();
-  if (checker.canConnect(this, otherConnection, false)) {
-    var eventGroup = Blockly.Events.getGroup();
-    if (!eventGroup) {
-      Blockly.Events.setGroup(true);
-    }
-    // Determine which block is superior (higher in the source stack).
-    if (this.isSuperior()) {
-      // Superior block.
-      this.connect_(otherConnection);
-    } else {
-      // Inferior block.
-      otherConnection.connect_(this);
-    }
-    if (!eventGroup) {
-      Blockly.Events.setGroup(false);
-    }
-  }
-};
-
-/**
- * Update two connections to target each other.
- * @param {Blockly.Connection} first The first connection to update.
- * @param {Blockly.Connection} second The second connection to update.
- * @private
- */
-Blockly.Connection.connectReciprocally_ = function(first, second) {
-  if (!first || !second) {
-    throw Error('Cannot connect null connections.');
-  }
-  first.targetConnection = second;
-  second.targetConnection = first;
-};
-
-/**
- * Does the given block have one and only one connection point that will accept
- * an orphaned block?
- * @param {!Blockly.Block} block The superior block.
- * @param {!Blockly.Block} orphanBlock The inferior block.
- * @return {Blockly.Connection} The suitable connection point on 'block',
- *     or null.
- * @private
- */
-Blockly.Connection.singleConnection_ = function(block, orphanBlock) {
-  var connection = null;
-  var output = orphanBlock.outputConnection;
-  for (var i = 0; i < block.inputList.length; i++) {
-    var thisConnection = block.inputList[i].connection;
-    var typeChecker = output.getConnectionChecker();
-    if (thisConnection && thisConnection.type == Blockly.INPUT_VALUE &&
-        typeChecker.canConnect(output, thisConnection, false)) {
-      if (connection) {
-        return null;  // More than one connection.
-      }
-      connection = thisConnection;
-    }
-  }
-  return connection;
-};
-
-/**
- * Walks down a row a blocks, at each stage checking if there are any
- * connections that will accept the orphaned block.  If at any point there
- * are zero or multiple eligible connections, returns null.  Otherwise
- * returns the only input on the last block in the chain.
- * Terminates early for shadow blocks.
- * @param {!Blockly.Block} startBlock The block on which to start the search.
- * @param {!Blockly.Block} orphanBlock The block that is looking for a home.
- * @return {Blockly.Connection} The suitable connection point on the chain
- *     of blocks, or null.
- * @package
- */
-Blockly.Connection.lastConnectionInRow = function(startBlock, orphanBlock) {
-  var newBlock = startBlock;
-  var connection;
-  while ((connection = Blockly.Connection.singleConnection_(
-      /** @type {!Blockly.Block} */ (newBlock), orphanBlock))) {
-    newBlock = connection.targetBlock();
-    if (!newBlock || newBlock.isShadow()) {
-      return connection;
-    }
-  }
-  return null;
-};
-
-/**
- * Disconnect this connection.
- */
-Blockly.Connection.prototype.disconnect = function() {
-  var otherConnection = this.targetConnection;
-  if (!otherConnection) {
-    throw Error('Source connection not connected.');
-  }
-  if (otherConnection.targetConnection != this) {
-    throw Error('Target connection not connected to source connection.');
-  }
-  var parentBlock, childBlock, parentConnection;
-  if (this.isSuperior()) {
-    // Superior block.
-    parentBlock = this.sourceBlock_;
-    childBlock = otherConnection.getSourceBlock();
-    parentConnection = this;
-  } else {
-    // Inferior block.
-    parentBlock = otherConnection.getSourceBlock();
-    childBlock = this.sourceBlock_;
-    parentConnection = otherConnection;
-  }
-
-  var eventGroup = Blockly.Events.getGroup();
-  if (!eventGroup) {
-    Blockly.Events.setGroup(true);
-  }
-  this.disconnectInternal_(parentBlock, childBlock);
-  if (!childBlock.isShadow()) {
-    // If we were disconnecting a shadow, no need to spawn a new one.
-    parentConnection.respawnShadow_();
-  }
-  if (!eventGroup) {
-    Blockly.Events.setGroup(false);
-  }
-};
-
-/**
- * Disconnect two blocks that are connected by this connection.
- * @param {!Blockly.Block} parentBlock The superior block.
- * @param {!Blockly.Block} childBlock The inferior block.
- * @protected
- */
-Blockly.Connection.prototype.disconnectInternal_ = function(parentBlock,
-    childBlock) {
-  var event;
-  if (Blockly.Events.isEnabled()) {
-    event = new Blockly.Events.BlockMove(childBlock);
-  }
-  var otherConnection = this.targetConnection;
-  otherConnection.targetConnection = null;
-  this.targetConnection = null;
-  childBlock.setParent(null);
-  if (event) {
-    event.recordNew();
-    Blockly.Events.fire(event);
-  }
-};
-
-/**
- * Respawn the shadow block if there was one connected to the this connection.
- * @protected
- */
-Blockly.Connection.prototype.respawnShadow_ = function() {
-  var parentBlock = this.getSourceBlock();
-  var shadow = this.getShadowDom();
-  if (parentBlock.workspace && shadow) {
-    var blockShadow =
-        Blockly.Xml.domToBlock(shadow, parentBlock.workspace);
-    if (blockShadow.outputConnection) {
-      this.connect(blockShadow.outputConnection);
-    } else if (blockShadow.previousConnection) {
-      this.connect(blockShadow.previousConnection);
-    } else {
-      throw Error('Child block does not have output or previous statement.');
-    }
-  }
-};
-
-/**
- * Returns the block that this connection connects to.
- * @return {Blockly.Block} The connected block or null if none is connected.
- */
-Blockly.Connection.prototype.targetBlock = function() {
-  if (this.isConnected()) {
-    return this.targetConnection.getSourceBlock();
-  }
-  return null;
-};
-
-/**
- * Is this connection compatible with another connection with respect to the
- * value type system.  E.g. square_root("Hello") is not compatible.
- * @param {!Blockly.Connection} otherConnection Connection to compare against.
- * @return {boolean} True if the connections share a type.
- * @deprecated July 2020. Will be deleted July 2021. Use the workspace's
- *     connectionChecker instead.
- */
-Blockly.Connection.prototype.checkType = function(otherConnection) {
-  Blockly.utils.deprecation.warn(
-      'Connection.prototype.checkType',
-      'October 2019',
-      'January 2021',
-      'the workspace\'s connection checker');
-  return this.getConnectionChecker().canConnect(this, otherConnection,
-      false);
-};
-
-/**
- * Is this connection compatible with another connection with respect to the
- * value type system.  E.g. square_root("Hello") is not compatible.
- * @param {!Blockly.Connection} otherConnection Connection to compare against.
- * @return {boolean} True if the connections share a type.
- * @private
- * @deprecated October 2019. Will be deleted January 2021. Use the workspace's
- *     connectionChecker instead.
- * @suppress {unusedPrivateMembers}
- */
-Blockly.Connection.prototype.checkType_ = function(otherConnection) {
-  Blockly.utils.deprecation.warn(
-      'Connection.prototype.checkType_',
-      'October 2019',
-      'January 2021',
-      'the workspace\'s connection checker');
-  return this.checkType(otherConnection);
-};
-
-/**
- * Function to be called when this connection's compatible types have changed.
- * @protected
- */
-Blockly.Connection.prototype.onCheckChanged_ = function() {
-  // The new value type may not be compatible with the existing connection.
-  if (this.isConnected() && (!this.targetConnection ||
-      !this.getConnectionChecker().canConnect(
-          this, this.targetConnection, false))) {
-    var child = this.isSuperior() ? this.targetBlock() : this.sourceBlock_;
-    child.unplug();
-  }
-};
-
-/**
- * Change a connection's compatibility.
- * @param {?(string|!Array.<string>)} check Compatible value type or list of
- *     value types. Null if all types are compatible.
- * @return {!Blockly.Connection} The connection being modified
- *     (to allow chaining).
- */
-Blockly.Connection.prototype.setCheck = function(check) {
-  if (check) {
-    // Ensure that check is in an array.
-    if (!Array.isArray(check)) {
-      check = [check];
-    }
-    this.check_ = check;
-    this.onCheckChanged_();
-  } else {
-    this.check_ = null;
-  }
-  return this;
-};
-
-/**
- * Get a connection's compatibility.
- * @return {Array} List of compatible value types.
- *     Null if all types are compatible.
- * @public
- */
-Blockly.Connection.prototype.getCheck = function() {
-  return this.check_;
-};
-
-/**
- * Changes the connection's shadow block.
- * @param {Element} shadow DOM representation of a block or null.
- */
-Blockly.Connection.prototype.setShadowDom = function(shadow) {
-  this.shadowDom_ = shadow;
-  var target = this.targetBlock();
-  if (!target) {
-    this.respawnShadow_();
-  } else if (target.isShadow()) {
-    // The disconnect from dispose will automatically generate the new shadow.
-    target.dispose(false);
-    this.respawnShadow_();
-  }
-};
-
-/**
- * Returns the xml representation of the connection's shadow block.
- * @return {Element} Shadow DOM representation of a block or null.
- */
-Blockly.Connection.prototype.getShadowDom = function() {
-  return this.shadowDom_;
-};
-
-/**
- * Find all nearby compatible connections to this connection.
- * Type checking does not apply, since this function is used for bumping.
- *
- * Headless configurations (the default) do not have neighboring connection,
- * and always return an empty list (the default).
- * {@link Blockly.RenderedConnection} overrides this behavior with a list
- * computed from the rendered positioning.
- * @param {number} _maxLimit The maximum radius to another connection.
- * @return {!Array.<!Blockly.Connection>} List of connections.
- * @package
- */
-Blockly.Connection.prototype.neighbours = function(_maxLimit) {
-  return [];
-};
-
-/**
- * Get the parent input of a connection.
- * @return {Blockly.Input} The input that the connection belongs to or null if
- *     no parent exists.
- * @package
- */
-Blockly.Connection.prototype.getParentInput = function() {
-  var parentInput = null;
-  var block = this.sourceBlock_;
-  var inputs = block.inputList;
-  for (var idx = 0; idx < block.inputList.length; idx++) {
-    if (inputs[idx].connection === this) {
-      parentInput = inputs[idx];
-      break;
-    }
-  }
-  return parentInput;
-};
-
-/**
- * This method returns a string describing this Connection in developer terms
- * (English only). Intended to on be used in console logs and errors.
- * @return {string} The description.
- */
-Blockly.Connection.prototype.toString = function() {
-  var msg;
-  var block = this.sourceBlock_;
-  if (!block) {
-    return 'Orphan Connection';
-  } else if (block.outputConnection == this) {
-    msg = 'Output Connection of ';
-  } else if (block.previousConnection == this) {
-    msg = 'Previous Connection of ';
-  } else if (block.nextConnection == this) {
-    msg = 'Next Connection of ';
-  } else {
-    var parentInput = null;
-    for (var i = 0, input; (input = block.inputList[i]); i++) {
-      if (input.connection == this) {
-        parentInput = input;
-        break;
-      }
-    }
-    if (parentInput) {
-      msg = 'Input "' + parentInput.name + '" connection on ';
-    } else {
-      console.warn('Connection not actually connected to sourceBlock_');
-      return 'Orphan Connection';
-    }
-  }
-  return msg + block.toDevString();
-};
diff --git a/core/connection.ts b/core/connection.ts
new file mode 100644
index 00000000000..1dd8dc1ea55
--- /dev/null
+++ b/core/connection.ts
@@ -0,0 +1,793 @@
+/**
+ * @license
+ * Copyright 2011 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Components for creating connections between blocks.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Connection
+
+import type {Block} from './block.js';
+import {ConnectionType} from './connection_type.js';
+import type {BlockMove} from './events/events_block_move.js';
+import * as eventUtils from './events/utils.js';
+import type {Input} from './inputs/input.js';
+import type {IASTNodeLocationWithBlock} from './interfaces/i_ast_node_location_with_block.js';
+import type {IConnectionChecker} from './interfaces/i_connection_checker.js';
+import * as blocks from './serialization/blocks.js';
+import * as Xml from './xml.js';
+
+/**
+ * Class for a connection between blocks.
+ */
+export class Connection implements IASTNodeLocationWithBlock {
+  /** Constants for checking whether two connections are compatible. */
+  static CAN_CONNECT = 0;
+  static REASON_SELF_CONNECTION = 1;
+  static REASON_WRONG_TYPE = 2;
+  static REASON_TARGET_NULL = 3;
+  static REASON_CHECKS_FAILED = 4;
+  static REASON_DIFFERENT_WORKSPACES = 5;
+  static REASON_SHADOW_PARENT = 6;
+  static REASON_DRAG_CHECKS_FAILED = 7;
+  static REASON_PREVIOUS_AND_OUTPUT = 8;
+
+  protected sourceBlock_: Block;
+
+  /** Connection this connection connects to.  Null if not connected. */
+  targetConnection: Connection | null = null;
+
+  /**
+   * Has this connection been disposed of?
+   *
+   * @internal
+   */
+  disposed = false;
+
+  /** List of compatible value types.  Null if all types are compatible. */
+  private check: string[] | null = null;
+
+  /** DOM representation of a shadow block, or null if none. */
+  private shadowDom: Element | null = null;
+
+  /**
+   * Horizontal location of this connection.
+   *
+   * @internal
+   */
+  x = 0;
+
+  /**
+   * Vertical location of this connection.
+   *
+   * @internal
+   */
+  y = 0;
+
+  private shadowState: blocks.State | null = null;
+
+  /**
+   * @param source The block establishing this connection.
+   * @param type The type of the connection.
+   */
+  constructor(
+    source: Block,
+    public type: number,
+  ) {
+    this.sourceBlock_ = source;
+  }
+
+  /**
+   * Connect two connections together.  This is the connection on the superior
+   * block.
+   *
+   * @param childConnection Connection on inferior block.
+   */
+  protected connect_(childConnection: Connection) {
+    const INPUT = ConnectionType.INPUT_VALUE;
+    const parentBlock = this.getSourceBlock();
+    const childBlock = childConnection.getSourceBlock();
+
+    // Make sure the childConnection is available.
+    if (childConnection.isConnected()) {
+      childConnection.disconnectInternal(false);
+    }
+
+    // Make sure the parentConnection is available.
+    let orphan;
+    if (this.isConnected()) {
+      const shadowState = this.stashShadowState();
+      const target = this.targetBlock();
+      if (target!.isShadow()) {
+        target!.dispose(false);
+      } else {
+        this.disconnectInternal();
+        orphan = target;
+      }
+      this.applyShadowState(shadowState);
+    }
+
+    // Connect the new connection to the parent.
+    let event;
+    if (eventUtils.isEnabled()) {
+      event = new (eventUtils.get(eventUtils.BLOCK_MOVE))(
+        childBlock,
+      ) as BlockMove;
+      event.setReason(['connect']);
+    }
+    connectReciprocally(this, childConnection);
+    childBlock.setParent(parentBlock);
+    if (event) {
+      event.recordNew();
+      eventUtils.fire(event);
+    }
+
+    // Deal with the orphan if it exists.
+    if (orphan) {
+      const orphanConnection =
+        this.type === INPUT
+          ? orphan.outputConnection
+          : orphan.previousConnection;
+      if (!orphanConnection) return;
+      const connection = Connection.getConnectionForOrphanedConnection(
+        childBlock,
+        orphanConnection,
+      );
+      if (connection) {
+        orphanConnection.connect(connection);
+      } else {
+        orphanConnection.onFailedConnect(this);
+      }
+    }
+  }
+
+  /**
+   * Dispose of this connection and deal with connected blocks.
+   *
+   * @internal
+   */
+  dispose() {
+    // isConnected returns true for shadows and non-shadows.
+    if (this.isConnected()) {
+      if (this.isSuperior()) {
+        // Destroy the attached shadow block & its children (if it exists).
+        this.setShadowStateInternal();
+      }
+
+      const targetBlock = this.targetBlock();
+      if (targetBlock && !targetBlock.isDeadOrDying()) {
+        // Disconnect the attached normal block.
+        targetBlock.unplug();
+      }
+    }
+
+    this.disposed = true;
+  }
+
+  /**
+   * Get the source block for this connection.
+   *
+   * @returns The source block.
+   */
+  getSourceBlock(): Block {
+    return this.sourceBlock_;
+  }
+
+  /**
+   * Does the connection belong to a superior block (higher in the source
+   * stack)?
+   *
+   * @returns True if connection faces down or right.
+   */
+  isSuperior(): boolean {
+    return (
+      this.type === ConnectionType.INPUT_VALUE ||
+      this.type === ConnectionType.NEXT_STATEMENT
+    );
+  }
+
+  /**
+   * Is the connection connected?
+   *
+   * @returns True if connection is connected to another connection.
+   */
+  isConnected(): boolean {
+    return !!this.targetConnection;
+  }
+
+  /**
+   * Get the workspace's connection type checker object.
+   *
+   * @returns The connection type checker for the source block's workspace.
+   * @internal
+   */
+  getConnectionChecker(): IConnectionChecker {
+    return this.sourceBlock_.workspace.connectionChecker;
+  }
+
+  /**
+   * Called when an attempted connection fails. NOP by default (i.e. for
+   * headless workspaces).
+   *
+   * @param _otherConnection Connection that this connection failed to connect
+   *     to.
+   * @internal
+   */
+  onFailedConnect(_otherConnection: Connection) {}
+  // NOP
+
+  /**
+   * Connect this connection to another connection.
+   *
+   * @param otherConnection Connection to connect to.
+   * @returns Whether the blocks are now connected or not.
+   */
+  connect(otherConnection: Connection): boolean {
+    if (this.targetConnection === otherConnection) {
+      // Already connected together.  NOP.
+      return true;
+    }
+
+    const checker = this.getConnectionChecker();
+    if (checker.canConnect(this, otherConnection, false)) {
+      const existingGroup = eventUtils.getGroup();
+      if (!existingGroup) {
+        eventUtils.setGroup(true);
+      }
+      // Determine which block is superior (higher in the source stack).
+      if (this.isSuperior()) {
+        // Superior block.
+        this.connect_(otherConnection);
+      } else {
+        // Inferior block.
+        otherConnection.connect_(this);
+      }
+      eventUtils.setGroup(existingGroup);
+    }
+
+    return this.isConnected();
+  }
+
+  /**
+   * Disconnect this connection.
+   */
+  disconnect() {
+    this.disconnectInternal();
+  }
+
+  /**
+   * Disconnect two blocks that are connected by this connection.
+   *
+   * @param setParent Whether to set the parent of the disconnected block or
+   *     not, defaults to true.
+   *     If you do not set the parent, ensure that a subsequent action does,
+   *     otherwise the view and model will be out of sync.
+   */
+  protected disconnectInternal(setParent = true) {
+    const {parentConnection, childConnection} =
+      this.getParentAndChildConnections();
+    if (!parentConnection || !childConnection) {
+      throw Error('Source connection not connected.');
+    }
+
+    const existingGroup = eventUtils.getGroup();
+    if (!existingGroup) {
+      eventUtils.setGroup(true);
+    }
+
+    let event;
+    if (eventUtils.isEnabled()) {
+      event = new (eventUtils.get(eventUtils.BLOCK_MOVE))(
+        childConnection.getSourceBlock(),
+      ) as BlockMove;
+      event.setReason(['disconnect']);
+    }
+    const otherConnection = this.targetConnection;
+    if (otherConnection) {
+      otherConnection.targetConnection = null;
+    }
+    this.targetConnection = null;
+    if (setParent) childConnection.getSourceBlock().setParent(null);
+    if (event) {
+      event.recordNew();
+      eventUtils.fire(event);
+    }
+
+    if (!childConnection.getSourceBlock().isShadow()) {
+      // If we were disconnecting a shadow, no need to spawn a new one.
+      parentConnection.respawnShadow_();
+    }
+
+    eventUtils.setGroup(existingGroup);
+  }
+
+  /**
+   * Returns the parent connection (superior) and child connection (inferior)
+   * given this connection and the connection it is connected to.
+   *
+   * @returns The parent connection and child connection, given this connection
+   *     and the connection it is connected to.
+   */
+  protected getParentAndChildConnections(): {
+    parentConnection?: Connection;
+    childConnection?: Connection;
+  } {
+    if (!this.targetConnection) return {};
+    if (this.isSuperior()) {
+      return {
+        parentConnection: this,
+        childConnection: this.targetConnection,
+      };
+    }
+    return {
+      parentConnection: this.targetConnection,
+      childConnection: this,
+    };
+  }
+
+  /**
+   * Respawn the shadow block if there was one connected to the this connection.
+   */
+  protected respawnShadow_() {
+    // Have to keep respawnShadow_ for backwards compatibility.
+    this.createShadowBlock(true);
+  }
+
+  /**
+   * Reconnects this connection to the input with the given name on the given
+   * block. If there is already a connection connected to that input, that
+   * connection is disconnected.
+   *
+   * @param block The block to connect this connection to.
+   * @param inputName The name of the input to connect this connection to.
+   * @returns True if this connection was able to connect, false otherwise.
+   */
+  reconnect(block: Block, inputName: string): boolean {
+    // No need to reconnect if this connection's block is deleted.
+    if (this.getSourceBlock().isDeadOrDying()) return false;
+
+    const connectionParent = block.getInput(inputName)?.connection;
+    const currentParent = this.targetBlock();
+    if (
+      (!currentParent || currentParent === block) &&
+      connectionParent &&
+      connectionParent.targetConnection !== this
+    ) {
+      if (connectionParent.isConnected()) {
+        // There's already something connected here.  Get rid of it.
+        connectionParent.disconnect();
+      }
+      connectionParent.connect(this);
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * Returns the block that this connection connects to.
+   *
+   * @returns The connected block or null if none is connected.
+   */
+  targetBlock(): Block | null {
+    if (this.isConnected()) {
+      return this.targetConnection?.getSourceBlock() ?? null;
+    }
+    return null;
+  }
+
+  /**
+   * Function to be called when this connection's compatible types have changed.
+   */
+  protected onCheckChanged_() {
+    // The new value type may not be compatible with the existing connection.
+    if (
+      this.isConnected() &&
+      (!this.targetConnection ||
+        !this.getConnectionChecker().canConnect(
+          this,
+          this.targetConnection,
+          false,
+        ))
+    ) {
+      const child = this.isSuperior() ? this.targetBlock() : this.sourceBlock_;
+      child!.unplug();
+    }
+  }
+
+  /**
+   * Change a connection's compatibility.
+   *
+   * @param check Compatible value type or list of value types. Null if all
+   *     types are compatible.
+   * @returns The connection being modified (to allow chaining).
+   */
+  setCheck(check: string | string[] | null): Connection {
+    if (check) {
+      if (!Array.isArray(check)) {
+        check = [check];
+      }
+      this.check = check;
+      this.onCheckChanged_();
+    } else {
+      this.check = null;
+    }
+    return this;
+  }
+
+  /**
+   * Get a connection's compatibility.
+   *
+   * @returns List of compatible value types.
+   *     Null if all types are compatible.
+   */
+  getCheck(): string[] | null {
+    return this.check;
+  }
+
+  /**
+   * Changes the connection's shadow block.
+   *
+   * @param shadowDom DOM representation of a block or null.
+   */
+  setShadowDom(shadowDom: Element | null) {
+    this.setShadowStateInternal({shadowDom});
+  }
+
+  /**
+   * Returns the xml representation of the connection's shadow block.
+   *
+   * @param returnCurrent If true, and the shadow block is currently attached to
+   *     this connection, this serializes the state of that block and returns it
+   *     (so that field values are correct). Otherwise the saved shadowDom is
+   *     just returned.
+   * @returns Shadow DOM representation of a block or null.
+   */
+  getShadowDom(returnCurrent?: boolean): Element | null {
+    return returnCurrent && this.targetBlock()!.isShadow()
+      ? (Xml.blockToDom(this.targetBlock() as Block) as Element)
+      : this.shadowDom;
+  }
+
+  /**
+   * Changes the connection's shadow block.
+   *
+   * @param shadowState An state represetation of the block or null.
+   */
+  setShadowState(shadowState: blocks.State | null) {
+    this.setShadowStateInternal({shadowState});
+  }
+
+  /**
+   * Returns the serialized object representation of the connection's shadow
+   * block.
+   *
+   * @param returnCurrent If true, and the shadow block is currently attached to
+   *     this connection, this serializes the state of that block and returns it
+   *     (so that field values are correct). Otherwise the saved state is just
+   *     returned.
+   * @returns Serialized object representation of the block, or null.
+   */
+  getShadowState(returnCurrent?: boolean): blocks.State | null {
+    if (returnCurrent && this.targetBlock() && this.targetBlock()!.isShadow()) {
+      return blocks.save(this.targetBlock() as Block);
+    }
+    return this.shadowState;
+  }
+
+  /**
+   * Find all nearby compatible connections to this connection.
+   * Type checking does not apply, since this function is used for bumping.
+   *
+   * Headless configurations (the default) do not have neighboring connection,
+   * and always return an empty list (the default).
+   * {@link RenderedConnection#neighbours} overrides this behavior with a list
+   * computed from the rendered positioning.
+   *
+   * @param _maxLimit The maximum radius to another connection.
+   * @returns List of connections.
+   * @internal
+   */
+  neighbours(_maxLimit: number): Connection[] {
+    return [];
+  }
+
+  /**
+   * Get the parent input of a connection.
+   *
+   * @returns The input that the connection belongs to or null if no parent
+   *     exists.
+   * @internal
+   */
+  getParentInput(): Input | null {
+    let parentInput = null;
+    const inputs = this.sourceBlock_.inputList;
+    for (let i = 0; i < inputs.length; i++) {
+      if (inputs[i].connection === this) {
+        parentInput = inputs[i];
+        break;
+      }
+    }
+    return parentInput;
+  }
+
+  /**
+   * This method returns a string describing this Connection in developer terms
+   * (English only). Intended to on be used in console logs and errors.
+   *
+   * @returns The description.
+   */
+  toString(): string {
+    const block = this.sourceBlock_;
+    if (!block) {
+      return 'Orphan Connection';
+    }
+    let msg;
+    if (block.outputConnection === this) {
+      msg = 'Output Connection of ';
+    } else if (block.previousConnection === this) {
+      msg = 'Previous Connection of ';
+    } else if (block.nextConnection === this) {
+      msg = 'Next Connection of ';
+    } else {
+      let parentInput = null;
+      for (let i = 0, input; (input = block.inputList[i]); i++) {
+        if (input.connection === this) {
+          parentInput = input;
+          break;
+        }
+      }
+      if (parentInput) {
+        msg = 'Input "' + parentInput.name + '" connection on ';
+      } else {
+        console.warn('Connection not actually connected to sourceBlock_');
+        return 'Orphan Connection';
+      }
+    }
+    return msg + block.toDevString();
+  }
+
+  /**
+   * Returns the state of the shadowDom_ and shadowState_ properties, then
+   * temporarily sets those properties to null so no shadow respawns.
+   *
+   * @returns The state of both the shadowDom_ and shadowState_ properties.
+   */
+  private stashShadowState(): {
+    shadowDom: Element | null;
+    shadowState: blocks.State | null;
+  } {
+    const shadowDom = this.getShadowDom(true);
+    const shadowState = this.getShadowState(true);
+    // Set to null so it doesn't respawn.
+    this.shadowDom = null;
+    this.shadowState = null;
+    return {shadowDom, shadowState};
+  }
+
+  /**
+   * Reapplies the stashed state of the shadowDom_ and shadowState_ properties.
+   *
+   * @param param0 The state to reapply to the shadowDom_ and shadowState_
+   *     properties.
+   */
+  private applyShadowState({
+    shadowDom,
+    shadowState,
+  }: {
+    shadowDom: Element | null;
+    shadowState: blocks.State | null;
+  }) {
+    this.shadowDom = shadowDom;
+    this.shadowState = shadowState;
+  }
+
+  /**
+   * Sets the state of the shadow of this connection.
+   *
+   * @param param0 The state to set the shadow of this connection to.
+   */
+  private setShadowStateInternal({
+    shadowDom = null,
+    shadowState = null,
+  }: {
+    shadowDom?: Element | null;
+    shadowState?: blocks.State | null;
+  } = {}) {
+    // One or both of these should always be null.
+    // If neither is null, the shadowState will get priority.
+    this.shadowDom = shadowDom;
+    this.shadowState = shadowState;
+
+    if (this.getSourceBlock().isDeadOrDying()) return;
+
+    const target = this.targetBlock();
+    if (!target) {
+      this.respawnShadow_();
+      if (this.targetBlock() && this.targetBlock()!.isShadow()) {
+        this.serializeShadow(this.targetBlock());
+      }
+    } else if (target.isShadow()) {
+      target.dispose(false);
+      this.respawnShadow_();
+      if (this.targetBlock() && this.targetBlock()!.isShadow()) {
+        this.serializeShadow(this.targetBlock());
+      }
+    } else {
+      const shadow = this.createShadowBlock(false);
+      this.serializeShadow(shadow);
+      if (shadow) {
+        shadow.dispose(false);
+      }
+    }
+  }
+
+  /**
+   * Creates a shadow block based on the current shadowState_ or shadowDom_.
+   * shadowState_ gets priority.
+   *
+   * @param attemptToConnect Whether to try to connect the shadow block to this
+   *     connection or not.
+   * @returns The shadow block that was created, or null if both the
+   *     shadowState_ and shadowDom_ are null.
+   */
+  private createShadowBlock(attemptToConnect: boolean): Block | null {
+    const parentBlock = this.getSourceBlock();
+    const shadowState = this.getShadowState();
+    const shadowDom = this.getShadowDom();
+    if (parentBlock.isDeadOrDying() || (!shadowState && !shadowDom)) {
+      return null;
+    }
+
+    let blockShadow;
+    if (shadowState) {
+      blockShadow = blocks.appendInternal(shadowState, parentBlock.workspace, {
+        parentConnection: attemptToConnect ? this : undefined,
+        isShadow: true,
+        recordUndo: false,
+      });
+      return blockShadow;
+    }
+
+    if (shadowDom) {
+      blockShadow = Xml.domToBlockInternal(shadowDom, parentBlock.workspace);
+      if (attemptToConnect) {
+        if (this.type === ConnectionType.INPUT_VALUE) {
+          if (!blockShadow.outputConnection) {
+            throw new Error('Shadow block is missing an output connection');
+          }
+          if (!this.connect(blockShadow.outputConnection)) {
+            throw new Error('Could not connect shadow block to connection');
+          }
+        } else if (this.type === ConnectionType.NEXT_STATEMENT) {
+          if (!blockShadow.previousConnection) {
+            throw new Error('Shadow block is missing previous connection');
+          }
+          if (!this.connect(blockShadow.previousConnection)) {
+            throw new Error('Could not connect shadow block to connection');
+          }
+        } else {
+          throw new Error(
+            'Cannot connect a shadow block to a previous/output connection',
+          );
+        }
+      }
+      return blockShadow;
+    }
+    return null;
+  }
+
+  /**
+   * Saves the given shadow block to both the shadowDom_ and shadowState_
+   * properties, in their respective serialized forms.
+   *
+   * @param shadow The shadow to serialize, or null.
+   */
+  private serializeShadow(shadow: Block | null) {
+    if (!shadow) {
+      return;
+    }
+    this.shadowDom = Xml.blockToDom(shadow) as Element;
+    this.shadowState = blocks.save(shadow);
+  }
+
+  /**
+   * Returns the connection (starting at the startBlock) which will accept
+   * the given connection. This includes compatible connection types and
+   * connection checks.
+   *
+   * @param startBlock The block on which to start the search.
+   * @param orphanConnection The connection that is looking for a home.
+   * @returns The suitable connection point on the chain of blocks, or null.
+   */
+  static getConnectionForOrphanedConnection(
+    startBlock: Block,
+    orphanConnection: Connection,
+  ): Connection | null {
+    if (orphanConnection.type === ConnectionType.OUTPUT_VALUE) {
+      return getConnectionForOrphanedOutput(
+        startBlock,
+        orphanConnection.getSourceBlock(),
+      );
+    }
+    // Otherwise we're dealing with a stack.
+    const connection = startBlock.lastConnectionInStack(true);
+    const checker = orphanConnection.getConnectionChecker();
+    if (connection && checker.canConnect(orphanConnection, connection, false)) {
+      return connection;
+    }
+    return null;
+  }
+}
+
+/**
+ * Update two connections to target each other.
+ *
+ * @param first The first connection to update.
+ * @param second The second connection to update.
+ */
+function connectReciprocally(first: Connection, second: Connection) {
+  if (!first || !second) {
+    throw Error('Cannot connect null connections.');
+  }
+  first.targetConnection = second;
+  second.targetConnection = first;
+}
+/**
+ * Returns the single connection on the block that will accept the orphaned
+ * block, if one can be found. If the block has multiple compatible connections
+ * (even if they are filled) this returns null. If the block has no compatible
+ * connections, this returns null.
+ *
+ * @param block The superior block.
+ * @param orphanBlock The inferior block.
+ * @returns The suitable connection point on 'block', or null.
+ */
+function getSingleConnection(
+  block: Block,
+  orphanBlock: Block,
+): Connection | null {
+  let foundConnection = null;
+  const output = orphanBlock.outputConnection;
+  const typeChecker = output?.getConnectionChecker();
+
+  for (let i = 0, input; (input = block.inputList[i]); i++) {
+    const connection = input.connection;
+    if (connection && typeChecker?.canConnect(output, connection, false)) {
+      if (foundConnection) {
+        return null; // More than one connection.
+      }
+      foundConnection = connection;
+    }
+  }
+  return foundConnection;
+}
+
+/**
+ * Walks down a row a blocks, at each stage checking if there are any
+ * connections that will accept the orphaned block.  If at any point there
+ * are zero or multiple eligible connections, returns null.  Otherwise
+ * returns the only input on the last block in the chain.
+ * Terminates early for shadow blocks.
+ *
+ * @param startBlock The block on which to start the search.
+ * @param orphanBlock The block that is looking for a home.
+ * @returns The suitable connection point on the chain of blocks, or null.
+ */
+function getConnectionForOrphanedOutput(
+  startBlock: Block,
+  orphanBlock: Block,
+): Connection | null {
+  let newBlock: Block | null = startBlock;
+  let connection;
+  while ((connection = getSingleConnection(newBlock, orphanBlock))) {
+    newBlock = connection.targetBlock();
+    if (!newBlock || newBlock.isShadow()) {
+      return connection;
+    }
+  }
+  return null;
+}
diff --git a/core/connection_checker.js b/core/connection_checker.js
deleted file mode 100644
index d4056064c86..00000000000
--- a/core/connection_checker.js
+++ /dev/null
@@ -1,285 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview An object that encapsulates logic for checking whether a potential
- * connection is safe and valid.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.ConnectionChecker');
-
-goog.require('Blockly.registry');
-
-goog.requireType('Blockly.Connection');
-goog.requireType('Blockly.IConnectionChecker');
-
-
-/**
- * Class for connection type checking logic.
- * @implements {Blockly.IConnectionChecker}
- * @constructor
- */
-Blockly.ConnectionChecker = function() {
-};
-
-/**
- * Check whether the current connection can connect with the target
- * connection.
- * @param {Blockly.Connection} a Connection to check compatibility with.
- * @param {Blockly.Connection} b Connection to check compatibility with.
- * @param {boolean} isDragging True if the connection is being made by dragging
- *     a block.
- * @param {number=} opt_distance The max allowable distance between the
- *     connections for drag checks.
- * @return {boolean} Whether the connection is legal.
- * @public
- */
-Blockly.ConnectionChecker.prototype.canConnect = function(a, b,
-    isDragging, opt_distance) {
-  return this.canConnectWithReason(a, b, isDragging, opt_distance) ==
-      Blockly.Connection.CAN_CONNECT;
-};
-
-/**
- * Checks whether the current connection can connect with the target
- * connection, and return an error code if there are problems.
- * @param {Blockly.Connection} a Connection to check compatibility with.
- * @param {Blockly.Connection} b Connection to check compatibility with.
- * @param {boolean} isDragging True if the connection is being made by dragging
- *     a block.
- * @param {number=} opt_distance The max allowable distance between the
- *     connections for drag checks.
- * @return {number} Blockly.Connection.CAN_CONNECT if the connection is legal,
- *    an error code otherwise.
- * @public
- */
-Blockly.ConnectionChecker.prototype.canConnectWithReason = function(
-    a, b, isDragging, opt_distance) {
-  var safety = this.doSafetyChecks(a, b);
-  if (safety != Blockly.Connection.CAN_CONNECT) {
-    return safety;
-  }
-
-  // If the safety checks passed, both connections are non-null.
-  var connOne = /** @type {!Blockly.Connection} **/ (a);
-  var connTwo = /** @type {!Blockly.Connection} **/ (b);
-  if (!this.doTypeChecks(connOne, connTwo)) {
-    return Blockly.Connection.REASON_CHECKS_FAILED;
-  }
-
-  if (isDragging &&
-      !this.doDragChecks(
-          /** @type {!Blockly.RenderedConnection} **/ (a),
-          /** @type {!Blockly.RenderedConnection} **/ (b),
-          opt_distance || 0)) {
-    return Blockly.Connection.REASON_DRAG_CHECKS_FAILED;
-  }
-
-  return Blockly.Connection.CAN_CONNECT;
-};
-
-/**
- * Helper method that translates a connection error code into a string.
- * @param {number} errorCode The error code.
- * @param {Blockly.Connection} a One of the two connections being checked.
- * @param {Blockly.Connection} b The second of the two connections being
- *     checked.
- * @return {string} A developer-readable error string.
- * @public
- */
-Blockly.ConnectionChecker.prototype.getErrorMessage = function(errorCode,
-    a, b) {
-  switch (errorCode) {
-    case Blockly.Connection.REASON_SELF_CONNECTION:
-      return 'Attempted to connect a block to itself.';
-    case Blockly.Connection.REASON_DIFFERENT_WORKSPACES:
-      // Usually this means one block has been deleted.
-      return 'Blocks not on same workspace.';
-    case Blockly.Connection.REASON_WRONG_TYPE:
-      return 'Attempt to connect incompatible types.';
-    case Blockly.Connection.REASON_TARGET_NULL:
-      return 'Target connection is null.';
-    case Blockly.Connection.REASON_CHECKS_FAILED:
-      var connOne = /** @type {!Blockly.Connection} **/ (a);
-      var connTwo = /** @type {!Blockly.Connection} **/ (b);
-      var msg = 'Connection checks failed. ';
-      msg += connOne + ' expected ' + connOne.getCheck() + ', found ' + connTwo.getCheck();
-      return msg;
-    case Blockly.Connection.REASON_SHADOW_PARENT:
-      return 'Connecting non-shadow to shadow block.';
-    case Blockly.Connection.REASON_DRAG_CHECKS_FAILED:
-      return 'Drag checks failed.';
-    default:
-      return 'Unknown connection failure: this should never happen!';
-  }
-};
-
-/**
- * Check that connecting the given connections is safe, meaning that it would
- * not break any of Blockly's basic assumptions (e.g. no self connections).
- * @param {Blockly.Connection} a The first of the connections to check.
- * @param {Blockly.Connection} b The second of the connections to check.
- * @return {number} An enum with the reason this connection is safe or unsafe.
- * @public
- */
-Blockly.ConnectionChecker.prototype.doSafetyChecks = function(a, b) {
-  if (!a || !b) {
-    return Blockly.Connection.REASON_TARGET_NULL;
-  }
-  if (a.isSuperior()) {
-    var blockA = a.getSourceBlock();
-    var blockB = b.getSourceBlock();
-  } else {
-    var blockB = a.getSourceBlock();
-    var blockA = b.getSourceBlock();
-  }
-  if (blockA == blockB) {
-    return Blockly.Connection.REASON_SELF_CONNECTION;
-  } else if (b.type != Blockly.OPPOSITE_TYPE[a.type]) {
-    return Blockly.Connection.REASON_WRONG_TYPE;
-  } else if (blockA.workspace !== blockB.workspace) {
-    return Blockly.Connection.REASON_DIFFERENT_WORKSPACES;
-  } else if (blockA.isShadow() && !blockB.isShadow()) {
-    return Blockly.Connection.REASON_SHADOW_PARENT;
-  }
-  return Blockly.Connection.CAN_CONNECT;
-};
-
-/**
- * Check whether this connection is compatible with another connection with
- * respect to the value type system.  E.g. square_root("Hello") is not
- * compatible.
- * @param {!Blockly.Connection} a Connection to compare.
- * @param {!Blockly.Connection} b Connection to compare against.
- * @return {boolean} True if the connections share a type.
- * @public
- */
-Blockly.ConnectionChecker.prototype.doTypeChecks = function(a, b) {
-  var checkArrayOne = a.getCheck();
-  var checkArrayTwo = b.getCheck();
-
-  if (!checkArrayOne || !checkArrayTwo) {
-    // One or both sides are promiscuous enough that anything will fit.
-    return true;
-  }
-  // Find any intersection in the check lists.
-  for (var i = 0; i < checkArrayOne.length; i++) {
-    if (checkArrayTwo.indexOf(checkArrayOne[i]) != -1) {
-      return true;
-    }
-  }
-  // No intersection.
-  return false;
-};
-
-/**
- * Check whether this connection can be made by dragging.
- * @param {!Blockly.RenderedConnection} a Connection to compare.
- * @param {!Blockly.RenderedConnection} b Connection to compare against.
- * @param {number} distance The maximum allowable distance between connections.
- * @return {boolean} True if the connection is allowed during a drag.
- * @public
- */
-Blockly.ConnectionChecker.prototype.doDragChecks = function(a, b, distance) {
-  if (a.distanceFrom(b) > distance) {
-    return false;
-  }
-
-  // Don't consider insertion markers.
-  if (b.getSourceBlock().isInsertionMarker()) {
-    return false;
-  }
-
-  switch (b.type) {
-    case Blockly.PREVIOUS_STATEMENT:
-      return this.canConnectToPrevious_(a, b);
-    case Blockly.OUTPUT_VALUE: {
-      // Don't offer to connect an already connected left (male) value plug to
-      // an available right (female) value plug.
-      if ((b.isConnected() &&
-          !b.targetBlock().isInsertionMarker()) ||
-          a.isConnected()) {
-        return false;
-      }
-      break;
-    }
-    case Blockly.INPUT_VALUE: {
-      // Offering to connect the left (male) of a value block to an already
-      // connected value pair is ok, we'll splice it in.
-      // However, don't offer to splice into an immovable block.
-      if (b.isConnected() &&
-          !b.targetBlock().isMovable() &&
-          !b.targetBlock().isShadow()) {
-        return false;
-      }
-      break;
-    }
-    case Blockly.NEXT_STATEMENT: {
-      // Don't let a block with no next connection bump other blocks out of the
-      // stack.  But covering up a shadow block or stack of shadow blocks is
-      // fine.  Similarly, replacing a terminal statement with another terminal
-      // statement is allowed.
-      if (b.isConnected() &&
-          !a.getSourceBlock().nextConnection &&
-          !b.targetBlock().isShadow() &&
-          b.targetBlock().nextConnection) {
-        return false;
-      }
-      break;
-    }
-    default:
-      // Unexpected connection type.
-      return false;
-  }
-
-  // Don't let blocks try to connect to themselves or ones they nest.
-  if (Blockly.draggingConnections.indexOf(b) != -1) {
-    return false;
-  }
-
-  return true;
-};
-
-/**
- * Helper function for drag checking.
- * @param {!Blockly.Connection} a The connection to check, which must be a
- *     statement input or next connection.
- * @param {!Blockly.Connection} b A nearby connection to check, which
- *     must be a previous connection.
- * @return {boolean} True if the connection is allowed, false otherwise.
- * @protected
- */
-Blockly.ConnectionChecker.prototype.canConnectToPrevious_ = function(a, b) {
-  if (a.targetConnection) {
-    // This connection is already occupied.
-    // A next connection will never disconnect itself mid-drag.
-    return false;
-  }
-
-  // Don't let blocks try to connect to themselves or ones they nest.
-  if (Blockly.draggingConnections.indexOf(b) != -1) {
-    return false;
-  }
-
-  if (!b.targetConnection) {
-    return true;
-  }
-
-  var targetBlock = b.targetBlock();
-  // If it is connected to a real block, game over.
-  if (!targetBlock.isInsertionMarker()) {
-    return false;
-  }
-  // If it's connected to an insertion marker but that insertion marker
-  // is the first block in a stack, it's still fine.  If that insertion
-  // marker is in the middle of a stack, it won't work.
-  return !targetBlock.getPreviousBlock();
-};
-
-Blockly.registry.register(Blockly.registry.Type.CONNECTION_CHECKER,
-    Blockly.registry.DEFAULT, Blockly.ConnectionChecker);
diff --git a/core/connection_checker.ts b/core/connection_checker.ts
new file mode 100644
index 00000000000..6f5ecd5d5c1
--- /dev/null
+++ b/core/connection_checker.ts
@@ -0,0 +1,348 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * An object that encapsulates logic for checking whether a
+ * potential connection is safe and valid.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.ConnectionChecker
+
+import * as common from './common.js';
+import {Connection} from './connection.js';
+import {ConnectionType} from './connection_type.js';
+import type {IConnectionChecker} from './interfaces/i_connection_checker.js';
+import * as internalConstants from './internal_constants.js';
+import * as registry from './registry.js';
+import type {RenderedConnection} from './rendered_connection.js';
+
+/**
+ * Class for connection type checking logic.
+ */
+export class ConnectionChecker implements IConnectionChecker {
+  /**
+   * Check whether the current connection can connect with the target
+   * connection.
+   *
+   * @param a Connection to check compatibility with.
+   * @param b Connection to check compatibility with.
+   * @param isDragging True if the connection is being made by dragging a block.
+   * @param opt_distance The max allowable distance between the connections for
+   *     drag checks.
+   * @returns Whether the connection is legal.
+   */
+  canConnect(
+    a: Connection | null,
+    b: Connection | null,
+    isDragging: boolean,
+    opt_distance?: number,
+  ): boolean {
+    return (
+      this.canConnectWithReason(a, b, isDragging, opt_distance) ===
+      Connection.CAN_CONNECT
+    );
+  }
+
+  /**
+   * Checks whether the current connection can connect with the target
+   * connection, and return an error code if there are problems.
+   *
+   * @param a Connection to check compatibility with.
+   * @param b Connection to check compatibility with.
+   * @param isDragging True if the connection is being made by dragging a block.
+   * @param opt_distance The max allowable distance between the connections for
+   *     drag checks.
+   * @returns Connection.CAN_CONNECT if the connection is legal, an error code
+   *     otherwise.
+   */
+  canConnectWithReason(
+    a: Connection | null,
+    b: Connection | null,
+    isDragging: boolean,
+    opt_distance?: number,
+  ): number {
+    const safety = this.doSafetyChecks(a, b);
+    if (safety !== Connection.CAN_CONNECT) {
+      return safety;
+    }
+
+    // If the safety checks passed, both connections are non-null.
+    const connOne = a!;
+    const connTwo = b!;
+    if (!this.doTypeChecks(connOne, connTwo)) {
+      return Connection.REASON_CHECKS_FAILED;
+    }
+
+    if (
+      isDragging &&
+      !this.doDragChecks(
+        a as RenderedConnection,
+        b as RenderedConnection,
+        opt_distance || 0,
+      )
+    ) {
+      return Connection.REASON_DRAG_CHECKS_FAILED;
+    }
+
+    return Connection.CAN_CONNECT;
+  }
+
+  /**
+   * Helper method that translates a connection error code into a string.
+   *
+   * @param errorCode The error code.
+   * @param a One of the two connections being checked.
+   * @param b The second of the two connections being checked.
+   * @returns A developer-readable error string.
+   */
+  getErrorMessage(
+    errorCode: number,
+    a: Connection | null,
+    b: Connection | null,
+  ): string {
+    switch (errorCode) {
+      case Connection.REASON_SELF_CONNECTION:
+        return 'Attempted to connect a block to itself.';
+      case Connection.REASON_DIFFERENT_WORKSPACES:
+        // Usually this means one block has been deleted.
+        return 'Blocks not on same workspace.';
+      case Connection.REASON_WRONG_TYPE:
+        return 'Attempt to connect incompatible types.';
+      case Connection.REASON_TARGET_NULL:
+        return 'Target connection is null.';
+      case Connection.REASON_CHECKS_FAILED: {
+        const connOne = a!;
+        const connTwo = b!;
+        let msg = 'Connection checks failed. ';
+        msg +=
+          connOne +
+          ' expected ' +
+          connOne.getCheck() +
+          ', found ' +
+          connTwo.getCheck();
+        return msg;
+      }
+      case Connection.REASON_SHADOW_PARENT:
+        return 'Connecting non-shadow to shadow block.';
+      case Connection.REASON_DRAG_CHECKS_FAILED:
+        return 'Drag checks failed.';
+      case Connection.REASON_PREVIOUS_AND_OUTPUT:
+        return 'Block would have an output and a previous connection.';
+      default:
+        return 'Unknown connection failure: this should never happen!';
+    }
+  }
+
+  /**
+   * Check that connecting the given connections is safe, meaning that it would
+   * not break any of Blockly's basic assumptions (e.g. no self connections).
+   *
+   * @param a The first of the connections to check.
+   * @param b The second of the connections to check.
+   * @returns An enum with the reason this connection is safe or unsafe.
+   */
+  doSafetyChecks(a: Connection | null, b: Connection | null): number {
+    if (!a || !b) {
+      return Connection.REASON_TARGET_NULL;
+    }
+    let superiorBlock;
+    let inferiorBlock;
+    let superiorConnection;
+    let inferiorConnection;
+    if (a.isSuperior()) {
+      superiorBlock = a.getSourceBlock();
+      inferiorBlock = b.getSourceBlock();
+      superiorConnection = a;
+      inferiorConnection = b;
+    } else {
+      inferiorBlock = a.getSourceBlock();
+      superiorBlock = b.getSourceBlock();
+      inferiorConnection = a;
+      superiorConnection = b;
+    }
+    if (superiorBlock === inferiorBlock) {
+      return Connection.REASON_SELF_CONNECTION;
+    } else if (
+      inferiorConnection.type !==
+      internalConstants.OPPOSITE_TYPE[superiorConnection.type]
+    ) {
+      return Connection.REASON_WRONG_TYPE;
+    } else if (superiorBlock.workspace !== inferiorBlock.workspace) {
+      return Connection.REASON_DIFFERENT_WORKSPACES;
+    } else if (superiorBlock.isShadow() && !inferiorBlock.isShadow()) {
+      return Connection.REASON_SHADOW_PARENT;
+    } else if (
+      inferiorConnection.type === ConnectionType.OUTPUT_VALUE &&
+      inferiorBlock.previousConnection &&
+      inferiorBlock.previousConnection.isConnected()
+    ) {
+      return Connection.REASON_PREVIOUS_AND_OUTPUT;
+    } else if (
+      inferiorConnection.type === ConnectionType.PREVIOUS_STATEMENT &&
+      inferiorBlock.outputConnection &&
+      inferiorBlock.outputConnection.isConnected()
+    ) {
+      return Connection.REASON_PREVIOUS_AND_OUTPUT;
+    }
+    return Connection.CAN_CONNECT;
+  }
+
+  /**
+   * Check whether this connection is compatible with another connection with
+   * respect to the value type system.  E.g. square_root("Hello") is not
+   * compatible.
+   *
+   * @param a Connection to compare.
+   * @param b Connection to compare against.
+   * @returns True if the connections share a type.
+   */
+  doTypeChecks(a: Connection, b: Connection): boolean {
+    const checkArrayOne = a.getCheck();
+    const checkArrayTwo = b.getCheck();
+
+    if (!checkArrayOne || !checkArrayTwo) {
+      // One or both sides are promiscuous enough that anything will fit.
+      return true;
+    }
+    // Find any intersection in the check lists.
+    for (let i = 0; i < checkArrayOne.length; i++) {
+      if (checkArrayTwo.includes(checkArrayOne[i])) {
+        return true;
+      }
+    }
+    // No intersection.
+    return false;
+  }
+
+  /**
+   * Check whether this connection can be made by dragging.
+   *
+   * @param a Connection to compare (on the block that's being dragged).
+   * @param b Connection to compare against.
+   * @param distance The maximum allowable distance between connections.
+   * @returns True if the connection is allowed during a drag.
+   */
+  doDragChecks(
+    a: RenderedConnection,
+    b: RenderedConnection,
+    distance: number,
+  ): boolean {
+    if (a.distanceFrom(b) > distance) {
+      return false;
+    }
+
+    // Don't consider insertion markers.
+    if (b.getSourceBlock().isInsertionMarker()) {
+      return false;
+    }
+
+    switch (b.type) {
+      case ConnectionType.PREVIOUS_STATEMENT:
+        return this.canConnectToPrevious_(a, b);
+      case ConnectionType.OUTPUT_VALUE: {
+        // Don't offer to connect an already connected left (male) value plug to
+        // an available right (female) value plug.
+        if (
+          (b.isConnected() && !b.targetBlock()!.isInsertionMarker()) ||
+          a.isConnected()
+        ) {
+          return false;
+        }
+        break;
+      }
+      case ConnectionType.INPUT_VALUE: {
+        // Offering to connect the left (male) of a value block to an already
+        // connected value pair is ok, we'll splice it in.
+        // However, don't offer to splice into an immovable block.
+        if (
+          b.isConnected() &&
+          !b.targetBlock()!.isMovable() &&
+          !b.targetBlock()!.isShadow()
+        ) {
+          return false;
+        }
+        break;
+      }
+      case ConnectionType.NEXT_STATEMENT: {
+        // Don't let a block with no next connection bump other blocks out of
+        // the stack.  But covering up a shadow block or stack of shadow blocks
+        // is fine.  Similarly, replacing a terminal statement with another
+        // terminal statement is allowed.
+        if (
+          b.isConnected() &&
+          !a.getSourceBlock().nextConnection &&
+          !b.targetBlock()!.isShadow() &&
+          b.targetBlock()!.nextConnection
+        ) {
+          return false;
+        }
+
+        // Don't offer to splice into a stack where the connected block is
+        // immovable, unless the block is a shadow block.
+        if (
+          b.targetBlock() &&
+          !b.targetBlock()!.isMovable() &&
+          !b.targetBlock()!.isShadow()
+        ) {
+          return false;
+        }
+        break;
+      }
+      default:
+        // Unexpected connection type.
+        return false;
+    }
+
+    // Don't let blocks try to connect to themselves or ones they nest.
+    if (common.draggingConnections.includes(b)) {
+      return false;
+    }
+
+    return true;
+  }
+
+  /**
+   * Helper function for drag checking.
+   *
+   * @param a The connection to check, which must be a statement input or next
+   *     connection.
+   * @param b A nearby connection to check, which must be a previous connection.
+   * @returns True if the connection is allowed, false otherwise.
+   */
+  protected canConnectToPrevious_(a: Connection, b: Connection): boolean {
+    if (a.targetConnection) {
+      // This connection is already occupied.
+      // A next connection will never disconnect itself mid-drag.
+      return false;
+    }
+
+    // Don't let blocks try to connect to themselves or ones they nest.
+    if (common.draggingConnections.includes(b)) {
+      return false;
+    }
+
+    if (!b.targetConnection) {
+      return true;
+    }
+
+    const targetBlock = b.targetBlock();
+    // If it is connected to a real block, game over.
+    if (!targetBlock!.isInsertionMarker()) {
+      return false;
+    }
+    // If it's connected to an insertion marker but that insertion marker
+    // is the first block in a stack, it's still fine.  If that insertion
+    // marker is in the middle of a stack, it won't work.
+    return !targetBlock!.getPreviousBlock();
+  }
+}
+
+registry.register(
+  registry.Type.CONNECTION_CHECKER,
+  registry.DEFAULT,
+  ConnectionChecker,
+);
diff --git a/core/connection_db.js b/core/connection_db.js
deleted file mode 100644
index d347ddbe0f8..00000000000
--- a/core/connection_db.js
+++ /dev/null
@@ -1,295 +0,0 @@
-/**
- * @license
- * Copyright 2011 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview A database of all the rendered connections that could
- *    possibly be connected to (i.e. not collapsed, etc).
- *    Sorted by y coordinate.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.ConnectionDB');
-
-goog.require('Blockly.RenderedConnection');
-
-goog.requireType('Blockly.IConnectionChecker');
-
-
-/**
- * Database of connections.
- * Connections are stored in order of their vertical component.  This way
- * connections in an area may be looked up quickly using a binary search.
- * @param {!Blockly.IConnectionChecker} checker The workspace's
- *     connection type checker, used to decide if connections are valid during a
- *     drag.
- * @constructor
- */
-Blockly.ConnectionDB = function(checker) {
-  /**
-   * Array of connections sorted by y position in workspace units.
-   * @type {!Array.<!Blockly.RenderedConnection>}
-   * @private
-   */
-  this.connections_ = [];
-  /**
-   * The workspace's connection type checker, used to decide if connections are
-   * valid during a drag.
-   * @type {!Blockly.IConnectionChecker}
-   * @private
-   */
-  this.connectionChecker_ = checker;
-};
-
-/**
- * Add a connection to the database. Should not already exist in the database.
- * @param {!Blockly.RenderedConnection} connection The connection to be added.
- * @param {number} yPos The y position used to decide where to insert the
- *    connection.
- * @package
- */
-Blockly.ConnectionDB.prototype.addConnection = function(connection, yPos) {
-  var index = this.calculateIndexForYPos_(yPos);
-  this.connections_.splice(index, 0, connection);
-};
-
-/**
- * Finds the index of the given connection.
- *
- * Starts by doing a binary search to find the approximate location, then
- * linearly searches nearby for the exact connection.
- * @param {!Blockly.RenderedConnection} conn The connection to find.
- * @param {number} yPos The y position used to find the index of the connection.
- * @return {number} The index of the connection, or -1 if the connection was
- *     not found.
- * @private
- */
-Blockly.ConnectionDB.prototype.findIndexOfConnection_ = function(conn, yPos) {
-  if (!this.connections_.length) {
-    return -1;
-  }
-
-  var bestGuess = this.calculateIndexForYPos_(yPos);
-  if (bestGuess >= this.connections_.length) {
-    // Not in list
-    return -1;
-  }
-
-  yPos = conn.y;
-  // Walk forward and back on the y axis looking for the connection.
-  var pointerMin = bestGuess;
-  var pointerMax = bestGuess;
-  while (pointerMin >= 0 && this.connections_[pointerMin].y == yPos) {
-    if (this.connections_[pointerMin] == conn) {
-      return pointerMin;
-    }
-    pointerMin--;
-  }
-
-  while (pointerMax < this.connections_.length &&
-         this.connections_[pointerMax].y == yPos) {
-    if (this.connections_[pointerMax] == conn) {
-      return pointerMax;
-    }
-    pointerMax++;
-  }
-  return -1;
-};
-
-/**
- * Finds the correct index for the given y position.
- * @param {number} yPos The y position used to decide where to
- *    insert the connection.
- * @return {number} The candidate index.
- * @private
- */
-Blockly.ConnectionDB.prototype.calculateIndexForYPos_ = function(yPos) {
-  if (!this.connections_.length) {
-    return 0;
-  }
-  var pointerMin = 0;
-  var pointerMax = this.connections_.length;
-  while (pointerMin < pointerMax) {
-    var pointerMid = Math.floor((pointerMin + pointerMax) / 2);
-    if (this.connections_[pointerMid].y < yPos) {
-      pointerMin = pointerMid + 1;
-    } else if (this.connections_[pointerMid].y > yPos) {
-      pointerMax = pointerMid;
-    } else {
-      pointerMin = pointerMid;
-      break;
-    }
-  }
-  return pointerMin;
-};
-
-/**
- * Remove a connection from the database.  Must already exist in DB.
- * @param {!Blockly.RenderedConnection} connection The connection to be removed.
- * @param {number} yPos The y position used to find the index of the connection.
- * @throws {Error} If the connection cannot be found in the database.
- */
-Blockly.ConnectionDB.prototype.removeConnection = function(connection, yPos) {
-  var index = this.findIndexOfConnection_(connection, yPos);
-  if (index == -1) {
-    throw Error('Unable to find connection in connectionDB.');
-  }
-  this.connections_.splice(index, 1);
-};
-
-/**
- * Find all nearby connections to the given connection.
- * Type checking does not apply, since this function is used for bumping.
- * @param {!Blockly.RenderedConnection} connection The connection whose
- *     neighbours should be returned.
- * @param {number} maxRadius The maximum radius to another connection.
- * @return {!Array.<!Blockly.RenderedConnection>} List of connections.
- */
-Blockly.ConnectionDB.prototype.getNeighbours = function(connection, maxRadius) {
-  var db = this.connections_;
-  var currentX = connection.x;
-  var currentY = connection.y;
-
-  // Binary search to find the closest y location.
-  var pointerMin = 0;
-  var pointerMax = db.length - 2;
-  var pointerMid = pointerMax;
-  while (pointerMin < pointerMid) {
-    if (db[pointerMid].y < currentY) {
-      pointerMin = pointerMid;
-    } else {
-      pointerMax = pointerMid;
-    }
-    pointerMid = Math.floor((pointerMin + pointerMax) / 2);
-  }
-
-  var neighbours = [];
-  /**
-   * Computes if the current connection is within the allowed radius of another
-   * connection.
-   * This function is a closure and has access to outside variables.
-   * @param {number} yIndex The other connection's index in the database.
-   * @return {boolean} True if the current connection's vertical distance from
-   *     the other connection is less than the allowed radius.
-   */
-  function checkConnection_(yIndex) {
-    var dx = currentX - db[yIndex].x;
-    var dy = currentY - db[yIndex].y;
-    var r = Math.sqrt(dx * dx + dy * dy);
-    if (r <= maxRadius) {
-      neighbours.push(db[yIndex]);
-    }
-    return dy < maxRadius;
-  }
-
-  // Walk forward and back on the y axis looking for the closest x,y point.
-  pointerMin = pointerMid;
-  pointerMax = pointerMid;
-  if (db.length) {
-    while (pointerMin >= 0 && checkConnection_(pointerMin)) {
-      pointerMin--;
-    }
-    do {
-      pointerMax++;
-    } while (pointerMax < db.length && checkConnection_(pointerMax));
-  }
-
-  return neighbours;
-};
-
-/**
- * Is the candidate connection close to the reference connection.
- * Extremely fast; only looks at Y distance.
- * @param {number} index Index in database of candidate connection.
- * @param {number} baseY Reference connection's Y value.
- * @param {number} maxRadius The maximum radius to another connection.
- * @return {boolean} True if connection is in range.
- * @private
- */
-Blockly.ConnectionDB.prototype.isInYRange_ = function(index, baseY, maxRadius) {
-  return (Math.abs(this.connections_[index].y - baseY) <= maxRadius);
-};
-
-/**
- * Find the closest compatible connection to this connection.
- * @param {!Blockly.RenderedConnection} conn The connection searching for a compatible
- *     mate.
- * @param {number} maxRadius The maximum radius to another connection.
- * @param {!Blockly.utils.Coordinate} dxy Offset between this connection's
- *     location in the database and the current location (as a result of
- *     dragging).
- * @return {!{connection: Blockly.RenderedConnection, radius: number}}
- *     Contains two properties: 'connection' which is either another
- *     connection or null, and 'radius' which is the distance.
- */
-Blockly.ConnectionDB.prototype.searchForClosest = function(conn, maxRadius,
-    dxy) {
-  if (!this.connections_.length) {
-    // Don't bother.
-    return {connection: null, radius: maxRadius};
-  }
-
-  // Stash the values of x and y from before the drag.
-  var baseY = conn.y;
-  var baseX = conn.x;
-
-  conn.x = baseX + dxy.x;
-  conn.y = baseY + dxy.y;
-
-  // calculateIndexForYPos_ finds an index for insertion, which is always
-  // after any block with the same y index.  We want to search both forward
-  // and back, so search on both sides of the index.
-  var closestIndex = this.calculateIndexForYPos_(conn.y);
-
-  var bestConnection = null;
-  var bestRadius = maxRadius;
-  var temp;
-
-  // Walk forward and back on the y axis looking for the closest x,y point.
-  var pointerMin = closestIndex - 1;
-  while (pointerMin >= 0 && this.isInYRange_(pointerMin, conn.y, maxRadius)) {
-    temp = this.connections_[pointerMin];
-    if (this.connectionChecker_.canConnect(conn, temp, true, bestRadius)) {
-      bestConnection = temp;
-      bestRadius = temp.distanceFrom(conn);
-    }
-    pointerMin--;
-  }
-
-  var pointerMax = closestIndex;
-  while (pointerMax < this.connections_.length &&
-      this.isInYRange_(pointerMax, conn.y, maxRadius)) {
-    temp = this.connections_[pointerMax];
-    if (this.connectionChecker_.canConnect(conn, temp, true, bestRadius)) {
-      bestConnection = temp;
-      bestRadius = temp.distanceFrom(conn);
-    }
-    pointerMax++;
-  }
-
-  // Reset the values of x and y.
-  conn.x = baseX;
-  conn.y = baseY;
-
-  // If there were no valid connections, bestConnection will be null.
-  return {connection: bestConnection, radius: bestRadius};
-};
-
-/**
- * Initialize a set of connection DBs for a workspace.
- * @param {!Blockly.IConnectionChecker} checker The workspace's
- *     connection checker, used to decide if connections are valid during a drag.
- * @return {!Array.<!Blockly.ConnectionDB>} Array of databases.
- */
-Blockly.ConnectionDB.init = function(checker) {
-  // Create four databases, one for each connection type.
-  var dbList = [];
-  dbList[Blockly.INPUT_VALUE] = new Blockly.ConnectionDB(checker);
-  dbList[Blockly.OUTPUT_VALUE] = new Blockly.ConnectionDB(checker);
-  dbList[Blockly.NEXT_STATEMENT] = new Blockly.ConnectionDB(checker);
-  dbList[Blockly.PREVIOUS_STATEMENT] = new Blockly.ConnectionDB(checker);
-  return dbList;
-};
diff --git a/core/connection_db.ts b/core/connection_db.ts
new file mode 100644
index 00000000000..8a83d154814
--- /dev/null
+++ b/core/connection_db.ts
@@ -0,0 +1,297 @@
+/**
+ * @license
+ * Copyright 2011 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * A database of all the rendered connections that could
+ *    possibly be connected to (i.e. not collapsed, etc).
+ *    Sorted by y coordinate.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.ConnectionDB
+
+import {ConnectionType} from './connection_type.js';
+import type {IConnectionChecker} from './interfaces/i_connection_checker.js';
+import type {RenderedConnection} from './rendered_connection.js';
+import type {Coordinate} from './utils/coordinate.js';
+
+/**
+ * Database of connections.
+ * Connections are stored in order of their vertical component.  This way
+ * connections in an area may be looked up quickly using a binary search.
+ */
+export class ConnectionDB {
+  /** Array of connections sorted by y position in workspace units. */
+  private readonly connections: RenderedConnection[] = [];
+
+  /**
+   * @param connectionChecker The workspace's connection type checker, used to
+   *     decide if connections are valid during a drag.
+   */
+  constructor(private readonly connectionChecker: IConnectionChecker) {}
+
+  /**
+   * Add a connection to the database. Should not already exist in the database.
+   *
+   * @param connection The connection to be added.
+   * @param yPos The y position used to decide where to insert the connection.
+   * @internal
+   */
+  addConnection(connection: RenderedConnection, yPos: number) {
+    const index = this.calculateIndexForYPos(yPos);
+    this.connections.splice(index, 0, connection);
+  }
+
+  /**
+   * Finds the index of the given connection.
+   *
+   * Starts by doing a binary search to find the approximate location, then
+   * linearly searches nearby for the exact connection.
+   *
+   * @param conn The connection to find.
+   * @param yPos The y position used to find the index of the connection.
+   * @returns The index of the connection, or -1 if the connection was not
+   *     found.
+   */
+  private findIndexOfConnection(
+    conn: RenderedConnection,
+    yPos: number,
+  ): number {
+    if (!this.connections.length) {
+      return -1;
+    }
+
+    const bestGuess = this.calculateIndexForYPos(yPos);
+    if (bestGuess >= this.connections.length) {
+      // Not in list
+      return -1;
+    }
+
+    yPos = conn.y;
+    // Walk forward and back on the y axis looking for the connection.
+    let pointer = bestGuess;
+    while (pointer >= 0 && this.connections[pointer].y === yPos) {
+      if (this.connections[pointer] === conn) {
+        return pointer;
+      }
+      pointer--;
+    }
+
+    pointer = bestGuess;
+    while (
+      pointer < this.connections.length &&
+      this.connections[pointer].y === yPos
+    ) {
+      if (this.connections[pointer] === conn) {
+        return pointer;
+      }
+      pointer++;
+    }
+    return -1;
+  }
+
+  /**
+   * Finds the correct index for the given y position.
+   *
+   * @param yPos The y position used to decide where to insert the connection.
+   * @returns The candidate index.
+   */
+  private calculateIndexForYPos(yPos: number): number {
+    if (!this.connections.length) {
+      return 0;
+    }
+    let pointerMin = 0;
+    let pointerMax = this.connections.length;
+    while (pointerMin < pointerMax) {
+      const pointerMid = Math.floor((pointerMin + pointerMax) / 2);
+      if (this.connections[pointerMid].y < yPos) {
+        pointerMin = pointerMid + 1;
+      } else if (this.connections[pointerMid].y > yPos) {
+        pointerMax = pointerMid;
+      } else {
+        pointerMin = pointerMid;
+        break;
+      }
+    }
+    return pointerMin;
+  }
+
+  /**
+   * Remove a connection from the database.  Must already exist in DB.
+   *
+   * @param connection The connection to be removed.
+   * @param yPos The y position used to find the index of the connection.
+   * @throws {Error} If the connection cannot be found in the database.
+   */
+  removeConnection(connection: RenderedConnection, yPos: number) {
+    const index = this.findIndexOfConnection(connection, yPos);
+    if (index === -1) {
+      throw Error('Unable to find connection in connectionDB.');
+    }
+    this.connections.splice(index, 1);
+  }
+
+  /**
+   * Find all nearby connections to the given connection.
+   * Type checking does not apply, since this function is used for bumping.
+   *
+   * @param connection The connection whose neighbours should be returned.
+   * @param maxRadius The maximum radius to another connection.
+   * @returns List of connections.
+   */
+  getNeighbours(
+    connection: RenderedConnection,
+    maxRadius: number,
+  ): RenderedConnection[] {
+    const db = this.connections;
+    const currentX = connection.x;
+    const currentY = connection.y;
+
+    // Binary search to find the closest y location.
+    let pointerMin = 0;
+    let pointerMax = db.length - 2;
+    let pointerMid = pointerMax;
+    while (pointerMin < pointerMid) {
+      if (db[pointerMid].y < currentY) {
+        pointerMin = pointerMid;
+      } else {
+        pointerMax = pointerMid;
+      }
+      pointerMid = Math.floor((pointerMin + pointerMax) / 2);
+    }
+
+    const neighbours: RenderedConnection[] = [];
+    /**
+     * Computes if the current connection is within the allowed radius of
+     * another connection. This function is a closure and has access to outside
+     * variables.
+     *
+     * @param yIndex The other connection's index in the database.
+     * @returns True if the current connection's vertical distance from the
+     *     other connection is less than the allowed radius.
+     */
+    function checkConnection(yIndex: number): boolean {
+      const dx = currentX - db[yIndex].x;
+      const dy = currentY - db[yIndex].y;
+      const r = Math.sqrt(dx * dx + dy * dy);
+      if (r <= maxRadius) {
+        neighbours.push(db[yIndex]);
+      }
+      return dy < maxRadius;
+    }
+
+    // Walk forward and back on the y axis looking for the closest x,y point.
+    pointerMin = pointerMid;
+    pointerMax = pointerMid;
+    if (db.length) {
+      while (pointerMin >= 0 && checkConnection(pointerMin)) {
+        pointerMin--;
+      }
+      do {
+        pointerMax++;
+      } while (pointerMax < db.length && checkConnection(pointerMax));
+    }
+
+    return neighbours;
+  }
+
+  /**
+   * Is the candidate connection close to the reference connection.
+   * Extremely fast; only looks at Y distance.
+   *
+   * @param index Index in database of candidate connection.
+   * @param baseY Reference connection's Y value.
+   * @param maxRadius The maximum radius to another connection.
+   * @returns True if connection is in range.
+   */
+  private isInYRange(index: number, baseY: number, maxRadius: number): boolean {
+    return Math.abs(this.connections[index].y - baseY) <= maxRadius;
+  }
+
+  /**
+   * Find the closest compatible connection to this connection.
+   *
+   * @param conn The connection searching for a compatible mate.
+   * @param maxRadius The maximum radius to another connection.
+   * @param dxy Offset between this connection's location in the database and
+   *     the current location (as a result of dragging).
+   * @returns Contains two properties: 'connection' which is either another
+   *     connection or null, and 'radius' which is the distance.
+   */
+  searchForClosest(
+    conn: RenderedConnection,
+    maxRadius: number,
+    dxy: Coordinate,
+  ): {connection: RenderedConnection | null; radius: number} {
+    if (!this.connections.length) {
+      // Don't bother.
+      return {connection: null, radius: maxRadius};
+    }
+
+    // Stash the values of x and y from before the drag.
+    const baseY = conn.y;
+    const baseX = conn.x;
+
+    conn.x = baseX + dxy.x;
+    conn.y = baseY + dxy.y;
+
+    // calculateIndexForYPos_ finds an index for insertion, which is always
+    // after any block with the same y index.  We want to search both forward
+    // and back, so search on both sides of the index.
+    const closestIndex = this.calculateIndexForYPos(conn.y);
+
+    let bestConnection = null;
+    let bestRadius = maxRadius;
+    let temp;
+
+    // Walk forward and back on the y axis looking for the closest x,y point.
+    let pointerMin = closestIndex - 1;
+    while (pointerMin >= 0 && this.isInYRange(pointerMin, conn.y, maxRadius)) {
+      temp = this.connections[pointerMin];
+      if (this.connectionChecker.canConnect(conn, temp, true, bestRadius)) {
+        bestConnection = temp;
+        bestRadius = temp.distanceFrom(conn);
+      }
+      pointerMin--;
+    }
+
+    let pointerMax = closestIndex;
+    while (
+      pointerMax < this.connections.length &&
+      this.isInYRange(pointerMax, conn.y, maxRadius)
+    ) {
+      temp = this.connections[pointerMax];
+      if (this.connectionChecker.canConnect(conn, temp, true, bestRadius)) {
+        bestConnection = temp;
+        bestRadius = temp.distanceFrom(conn);
+      }
+      pointerMax++;
+    }
+
+    // Reset the values of x and y.
+    conn.x = baseX;
+    conn.y = baseY;
+    // If there were no valid connections, bestConnection will be null.
+    return {connection: bestConnection, radius: bestRadius};
+  }
+
+  /**
+   * Initialize a set of connection DBs for a workspace.
+   *
+   * @param checker The workspace's connection checker, used to decide if
+   *     connections are valid during a drag.
+   * @returns Array of databases.
+   */
+  static init(checker: IConnectionChecker): ConnectionDB[] {
+    // Create four databases, one for each connection type.
+    const dbList = [];
+    dbList[ConnectionType.INPUT_VALUE] = new ConnectionDB(checker);
+    dbList[ConnectionType.OUTPUT_VALUE] = new ConnectionDB(checker);
+    dbList[ConnectionType.NEXT_STATEMENT] = new ConnectionDB(checker);
+    dbList[ConnectionType.PREVIOUS_STATEMENT] = new ConnectionDB(checker);
+    return dbList;
+  }
+}
diff --git a/core/connection_type.ts b/core/connection_type.ts
new file mode 100644
index 00000000000..ca18d00cbd2
--- /dev/null
+++ b/core/connection_type.ts
@@ -0,0 +1,21 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.ConnectionType
+
+/**
+ * Enum for the type of a connection or input.
+ */
+export enum ConnectionType {
+  // A right-facing value input.  E.g. 'set item to' or 'return'.
+  INPUT_VALUE = 1,
+  // A left-facing value output.  E.g. 'random fraction'.
+  OUTPUT_VALUE,
+  // A down-facing block stack.  E.g. 'if-do' or 'else'.
+  NEXT_STATEMENT,
+  // An up-facing block stack.  E.g. 'break out of loop'.
+  PREVIOUS_STATEMENT,
+}
diff --git a/core/constants.js b/core/constants.js
deleted file mode 100644
index 8914bd1403c..00000000000
--- a/core/constants.js
+++ /dev/null
@@ -1,277 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Blockly constants.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.constants');
-
-/**
- * The multiplier for scroll wheel deltas using the line delta mode.
- * @type {number}
- */
-Blockly.LINE_MODE_MULTIPLIER = 40;
-
-/**
- * The multiplier for scroll wheel deltas using the page delta mode.
- * @type {number}
- */
-Blockly.PAGE_MODE_MULTIPLIER = 125;
-
-/**
- * Number of pixels the mouse must move before a drag starts.
- */
-Blockly.DRAG_RADIUS = 5;
-
-/**
- * Number of pixels the mouse must move before a drag/scroll starts from the
- * flyout.  Because the drag-intention is determined when this is reached, it is
- * larger than Blockly.DRAG_RADIUS so that the drag-direction is clearer.
- */
-Blockly.FLYOUT_DRAG_RADIUS = 10;
-
-/**
- * Maximum misalignment between connections for them to snap together.
- */
-Blockly.SNAP_RADIUS = 28;
-
-/**
- * Maximum misalignment between connections for them to snap together,
- * when a connection is already highlighted.
- */
-Blockly.CONNECTING_SNAP_RADIUS = Blockly.SNAP_RADIUS;
-
-/**
- * How much to prefer staying connected to the current connection over moving to
- * a new connection.  The current previewed connection is considered to be this
- * much closer to the matching connection on the block than it actually is.
- */
-Blockly.CURRENT_CONNECTION_PREFERENCE = 8;
-
-/**
- * Delay in ms between trigger and bumping unconnected block out of alignment.
- */
-Blockly.BUMP_DELAY = 250;
-
-/**
- * Maximum randomness in workspace units for bumping a block.
- */
-Blockly.BUMP_RANDOMNESS = 10;
-
-/**
- * Number of characters to truncate a collapsed block to.
- */
-Blockly.COLLAPSE_CHARS = 30;
-
-/**
- * Length in ms for a touch to become a long press.
- */
-Blockly.LONGPRESS = 750;
-
-/**
- * Prevent a sound from playing if another sound preceded it within this many
- * milliseconds.
- */
-Blockly.SOUND_LIMIT = 100;
-
-/**
- * When dragging a block out of a stack, split the stack in two (true), or drag
- * out the block healing the stack (false).
- */
-Blockly.DRAG_STACK = true;
-
-/**
- * The richness of block colours, regardless of the hue.
- * Must be in the range of 0 (inclusive) to 1 (exclusive).
- */
-Blockly.HSV_SATURATION = 0.45;
-
-/**
- * The intensity of block colours, regardless of the hue.
- * Must be in the range of 0 (inclusive) to 1 (exclusive).
- */
-Blockly.HSV_VALUE = 0.65;
-
-/**
- * Sprited icons and images.
- */
-Blockly.SPRITE = {
-  width: 96,
-  height: 124,
-  url: 'sprites.png'
-};
-
-// Constants below this point are not intended to be changed.
-
-/**
- * ENUM for a right-facing value input.  E.g. 'set item to' or 'return'.
- * @const
- */
-Blockly.INPUT_VALUE = 1;
-
-/**
- * ENUM for a left-facing value output.  E.g. 'random fraction'.
- * @const
- */
-Blockly.OUTPUT_VALUE = 2;
-
-/**
- * ENUM for a down-facing block stack.  E.g. 'if-do' or 'else'.
- * @const
- */
-Blockly.NEXT_STATEMENT = 3;
-
-/**
- * ENUM for an up-facing block stack.  E.g. 'break out of loop'.
- * @const
- */
-Blockly.PREVIOUS_STATEMENT = 4;
-
-/**
- * ENUM for an dummy input.  Used to add field(s) with no input.
- * @const
- */
-Blockly.DUMMY_INPUT = 5;
-
-/**
- * ENUM for left alignment.
- * @const
- */
-Blockly.ALIGN_LEFT = -1;
-
-/**
- * ENUM for centre alignment.
- * @const
- */
-Blockly.ALIGN_CENTRE = 0;
-
-/**
- * ENUM for right alignment.
- * @const
- */
-Blockly.ALIGN_RIGHT = 1;
-
-/**
- * ENUM for no drag operation.
- * @const
- */
-Blockly.DRAG_NONE = 0;
-
-/**
- * ENUM for inside the sticky DRAG_RADIUS.
- * @const
- */
-Blockly.DRAG_STICKY = 1;
-
-/**
- * ENUM for inside the non-sticky DRAG_RADIUS, for differentiating between
- * clicks and drags.
- * @const
- */
-Blockly.DRAG_BEGIN = 1;
-
-/**
- * ENUM for freely draggable (outside the DRAG_RADIUS, if one applies).
- * @const
- */
-Blockly.DRAG_FREE = 2;
-
-/**
- * Lookup table for determining the opposite type of a connection.
- * @const
- */
-Blockly.OPPOSITE_TYPE = [];
-Blockly.OPPOSITE_TYPE[Blockly.INPUT_VALUE] = Blockly.OUTPUT_VALUE;
-Blockly.OPPOSITE_TYPE[Blockly.OUTPUT_VALUE] = Blockly.INPUT_VALUE;
-Blockly.OPPOSITE_TYPE[Blockly.NEXT_STATEMENT] = Blockly.PREVIOUS_STATEMENT;
-Blockly.OPPOSITE_TYPE[Blockly.PREVIOUS_STATEMENT] = Blockly.NEXT_STATEMENT;
-
-
-/**
- * ENUM for toolbox and flyout at top of screen.
- * @const
- */
-Blockly.TOOLBOX_AT_TOP = 0;
-
-/**
- * ENUM for toolbox and flyout at bottom of screen.
- * @const
- */
-Blockly.TOOLBOX_AT_BOTTOM = 1;
-
-/**
- * ENUM for toolbox and flyout at left of screen.
- * @const
- */
-Blockly.TOOLBOX_AT_LEFT = 2;
-
-/**
- * ENUM for toolbox and flyout at right of screen.
- * @const
- */
-Blockly.TOOLBOX_AT_RIGHT = 3;
-
-/**
- * ENUM representing that an event is not in any delete areas.
- * Null for backwards compatibility reasons.
- * @const
- */
-Blockly.DELETE_AREA_NONE = null;
-
-/**
- * ENUM representing that an event is in the delete area of the trash can.
- * @const
- */
-Blockly.DELETE_AREA_TRASH = 1;
-
-/**
- * ENUM representing that an event is in the delete area of the toolbox or
- * flyout.
- * @const
- */
-Blockly.DELETE_AREA_TOOLBOX = 2;
-
-/**
- * String for use in the "custom" attribute of a category in toolbox XML.
- * This string indicates that the category should be dynamically populated with
- * variable blocks.
- * @const {string}
- */
-Blockly.VARIABLE_CATEGORY_NAME = 'VARIABLE';
-/**
- * String for use in the "custom" attribute of a category in toolbox XML.
- * This string indicates that the category should be dynamically populated with
- * variable blocks.
- * @const {string}
- */
-Blockly.VARIABLE_DYNAMIC_CATEGORY_NAME = 'VARIABLE_DYNAMIC';
-
-/**
- * String for use in the "custom" attribute of a category in toolbox XML.
- * This string indicates that the category should be dynamically populated with
- * procedure blocks.
- * @const {string}
- */
-Blockly.PROCEDURE_CATEGORY_NAME = 'PROCEDURE';
-
-/**
- * String for use in the dropdown created in field_variable.
- * This string indicates that this option in the dropdown is 'Rename
- * variable...' and if selected, should trigger the prompt to rename a variable.
- * @const {string}
- */
-Blockly.RENAME_VARIABLE_ID = 'RENAME_VARIABLE_ID';
-
-/**
- * String for use in the dropdown created in field_variable.
- * This string indicates that this option in the dropdown is 'Delete the "%1"
- * variable' and if selected, should trigger the prompt to delete a variable.
- * @const {string}
- */
-Blockly.DELETE_VARIABLE_ID = 'DELETE_VARIABLE_ID';
diff --git a/core/constants.ts b/core/constants.ts
new file mode 100644
index 00000000000..538bd378300
--- /dev/null
+++ b/core/constants.ts
@@ -0,0 +1,23 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.constants
+
+/**
+ * The language-neutral ID given to the collapsed input.
+ */
+export const COLLAPSED_INPUT_NAME = '_TEMP_COLLAPSED_INPUT';
+
+/**
+ * The language-neutral ID given to the collapsed field.
+ */
+export const COLLAPSED_FIELD_NAME = '_TEMP_COLLAPSED_FIELD';
+
+/**
+ * The language-neutral ID for when the reason why a block is disabled is
+ * because the user manually disabled it, such as via the context menu.
+ */
+export const MANUALLY_DISABLED = 'MANUALLY_DISABLED';
diff --git a/core/contextmenu.js b/core/contextmenu.js
deleted file mode 100644
index 8cd4541008a..00000000000
--- a/core/contextmenu.js
+++ /dev/null
@@ -1,307 +0,0 @@
-/**
- * @license
- * Copyright 2011 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Functionality for the right-click context menus.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.ContextMenu
- * @namespace
- */
-goog.provide('Blockly.ContextMenu');
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockCreate');
-goog.require('Blockly.Menu');
-goog.require('Blockly.MenuItem');
-goog.require('Blockly.Msg');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Rect');
-goog.require('Blockly.utils.userAgent');
-goog.require('Blockly.Xml');
-
-
-/**
- * Which block is the context menu attached to?
- * @type {Blockly.Block}
- */
-Blockly.ContextMenu.currentBlock = null;
-
-/**
- * Menu object.
- * @type {Blockly.Menu}
- * @private
- */
-Blockly.ContextMenu.menu_ = null;
-
-/**
- * Construct the menu based on the list of options and show the menu.
- * @param {!Event} e Mouse event.
- * @param {!Array.<!Object>} options Array of menu options.
- * @param {boolean} rtl True if RTL, false if LTR.
- */
-Blockly.ContextMenu.show = function(e, options, rtl) {
-  Blockly.WidgetDiv.show(Blockly.ContextMenu, rtl, Blockly.ContextMenu.dispose);
-  if (!options.length) {
-    Blockly.ContextMenu.hide();
-    return;
-  }
-  var menu = Blockly.ContextMenu.populate_(options, rtl);
-  Blockly.ContextMenu.menu_ = menu;
-
-  Blockly.ContextMenu.position_(menu, e, rtl);
-  // 1ms delay is required for focusing on context menus because some other
-  // mouse event is still waiting in the queue and clears focus.
-  setTimeout(function() {menu.focus();}, 1);
-  Blockly.ContextMenu.currentBlock = null;  // May be set by Blockly.Block.
-};
-
-/**
- * Create the context menu object and populate it with the given options.
- * @param {!Array.<!Object>} options Array of menu options.
- * @param {boolean} rtl True if RTL, false if LTR.
- * @return {!Blockly.Menu} The menu that will be shown on right click.
- * @private
- */
-Blockly.ContextMenu.populate_ = function(options, rtl) {
-  /* Here's what one option object looks like:
-    {text: 'Make It So',
-     enabled: true,
-     callback: Blockly.MakeItSo}
-  */
-  var menu = new Blockly.Menu();
-  menu.setRole(Blockly.utils.aria.Role.MENU);
-  for (var i = 0, option; (option = options[i]); i++) {
-    var menuItem = new Blockly.MenuItem(option.text);
-    menuItem.setRightToLeft(rtl);
-    menuItem.setRole(Blockly.utils.aria.Role.MENUITEM);
-    menu.addChild(menuItem);
-    menuItem.setEnabled(option.enabled);
-    if (option.enabled) {
-      var actionHandler = function(_menuItem) {
-        var option = this;
-        Blockly.ContextMenu.hide();
-        option.callback(option.scope);
-      };
-      menuItem.onAction(actionHandler, option);
-    }
-  }
-  return menu;
-};
-
-/**
- * Add the menu to the page and position it correctly.
- * @param {!Blockly.Menu} menu The menu to add and position.
- * @param {!Event} e Mouse event for the right click that is making the context
- *     menu appear.
- * @param {boolean} rtl True if RTL, false if LTR.
- * @private
- */
-Blockly.ContextMenu.position_ = function(menu, e, rtl) {
-  // Record windowSize and scrollOffset before adding menu.
-  var viewportBBox = Blockly.utils.getViewportBBox();
-  // This one is just a point, but we'll pretend that it's a rect so we can use
-  // some helper functions.
-  var anchorBBox = new Blockly.utils.Rect(
-      e.clientY + viewportBBox.top,
-      e.clientY + viewportBBox.top,
-      e.clientX + viewportBBox.left,
-      e.clientX + viewportBBox.left
-  );
-
-  Blockly.ContextMenu.createWidget_(menu);
-  var menuSize = menu.getSize();
-
-  if (rtl) {
-    anchorBBox.left += menuSize.width;
-    anchorBBox.right += menuSize.width;
-    viewportBBox.left += menuSize.width;
-    viewportBBox.right += menuSize.width;
-  }
-
-  Blockly.WidgetDiv.positionWithAnchor(viewportBBox, anchorBBox, menuSize, rtl);
-  // Calling menuDom.focus() has to wait until after the menu has been placed
-  // correctly.  Otherwise it will cause a page scroll to get the misplaced menu
-  // in view.  See issue #1329.
-  menu.focus();
-};
-
-/**
- * Create and render the menu widget inside Blockly's widget div.
- * @param {!Blockly.Menu} menu The menu to add to the widget div.
- * @private
- */
-Blockly.ContextMenu.createWidget_ = function(menu) {
-  var div = Blockly.WidgetDiv.DIV;
-  menu.render(div);
-  var menuDom = menu.getElement();
-  Blockly.utils.dom.addClass(
-      /** @type {!Element} */ (menuDom), 'blocklyContextMenu');
-  // Prevent system context menu when right-clicking a Blockly context menu.
-  Blockly.bindEventWithChecks_(/** @type {!EventTarget} */ (menuDom),
-      'contextmenu', null, Blockly.utils.noEvent);
-  // Focus only after the initial render to avoid issue #1329.
-  menu.focus();
-};
-
-/**
- * Hide the context menu.
- */
-Blockly.ContextMenu.hide = function() {
-  Blockly.WidgetDiv.hideIfOwner(Blockly.ContextMenu);
-  Blockly.ContextMenu.currentBlock = null;
-};
-
-/**
- * Dispose of the menu.
- */
-Blockly.ContextMenu.dispose = function() {
-  if (Blockly.ContextMenu.menu_) {
-    Blockly.ContextMenu.menu_.dispose();
-    Blockly.ContextMenu.menu_ = null;
-  }
-};
-
-/**
- * Create a callback function that creates and configures a block,
- *   then places the new block next to the original.
- * @param {!Blockly.Block} block Original block.
- * @param {!Element} xml XML representation of new block.
- * @return {!Function} Function that creates a block.
- */
-Blockly.ContextMenu.callbackFactory = function(block, xml) {
-  return function() {
-    Blockly.Events.disable();
-    try {
-      var newBlock = Blockly.Xml.domToBlock(xml, block.workspace);
-      // Move the new block next to the old block.
-      var xy = block.getRelativeToSurfaceXY();
-      if (block.RTL) {
-        xy.x -= Blockly.SNAP_RADIUS;
-      } else {
-        xy.x += Blockly.SNAP_RADIUS;
-      }
-      xy.y += Blockly.SNAP_RADIUS * 2;
-      newBlock.moveBy(xy.x, xy.y);
-    } finally {
-      Blockly.Events.enable();
-    }
-    if (Blockly.Events.isEnabled() && !newBlock.isShadow()) {
-      Blockly.Events.fire(new Blockly.Events.BlockCreate(newBlock));
-    }
-    newBlock.select();
-  };
-};
-
-// Helper functions for creating context menu options.
-
-/**
- * Make a context menu option for deleting the current workspace comment.
- * @param {!Blockly.WorkspaceCommentSvg} comment The workspace comment where the
- *     right-click originated.
- * @return {!Object} A menu option, containing text, enabled, and a callback.
- * @package
- */
-Blockly.ContextMenu.commentDeleteOption = function(comment) {
-  var deleteOption = {
-    text: Blockly.Msg['REMOVE_COMMENT'],
-    enabled: true,
-    callback: function() {
-      Blockly.Events.setGroup(true);
-      comment.dispose(true, true);
-      Blockly.Events.setGroup(false);
-    }
-  };
-  return deleteOption;
-};
-
-/**
- * Make a context menu option for duplicating the current workspace comment.
- * @param {!Blockly.WorkspaceCommentSvg} comment The workspace comment where the
- *     right-click originated.
- * @return {!Object} A menu option, containing text, enabled, and a callback.
- * @package
- */
-Blockly.ContextMenu.commentDuplicateOption = function(comment) {
-  var duplicateOption = {
-    text: Blockly.Msg['DUPLICATE_COMMENT'],
-    enabled: true,
-    callback: function() {
-      Blockly.duplicate(comment);
-    }
-  };
-  return duplicateOption;
-};
-
-/**
- * Make a context menu option for adding a comment on the workspace.
- * @param {!Blockly.WorkspaceSvg} ws The workspace where the right-click
- *     originated.
- * @param {!Event} e The right-click mouse event.
- * @return {!Object} A menu option, containing text, enabled, and a callback.
- * @package
- * @suppress {strictModuleDepCheck,checkTypes} Suppress checks while workspace
- *     comments are not bundled in.
- */
-Blockly.ContextMenu.workspaceCommentOption = function(ws, e) {
-  if (!Blockly.WorkspaceCommentSvg) {
-    throw Error('Missing require for Blockly.WorkspaceCommentSvg');
-  }
-  // Helper function to create and position a comment correctly based on the
-  // location of the mouse event.
-  var addWsComment = function() {
-    var comment = new Blockly.WorkspaceCommentSvg(
-        ws, Blockly.Msg['WORKSPACE_COMMENT_DEFAULT_TEXT'],
-        Blockly.WorkspaceCommentSvg.DEFAULT_SIZE,
-        Blockly.WorkspaceCommentSvg.DEFAULT_SIZE);
-
-    var injectionDiv = ws.getInjectionDiv();
-    // Bounding rect coordinates are in client coordinates, meaning that they
-    // are in pixels relative to the upper left corner of the visible browser
-    // window.  These coordinates change when you scroll the browser window.
-    var boundingRect = injectionDiv.getBoundingClientRect();
-
-    // The client coordinates offset by the injection div's upper left corner.
-    var clientOffsetPixels = new Blockly.utils.Coordinate(
-        e.clientX - boundingRect.left, e.clientY - boundingRect.top);
-
-    // The offset in pixels between the main workspace's origin and the upper
-    // left corner of the injection div.
-    var mainOffsetPixels = ws.getOriginOffsetInPixels();
-
-    // The position of the new comment in pixels relative to the origin of the
-    // main workspace.
-    var finalOffset = Blockly.utils.Coordinate.difference(clientOffsetPixels,
-        mainOffsetPixels);
-    // The position of the new comment in main workspace coordinates.
-    finalOffset.scale(1 / ws.scale);
-
-    var commentX = finalOffset.x;
-    var commentY = finalOffset.y;
-    comment.moveBy(commentX, commentY);
-    if (ws.rendered) {
-      comment.initSvg();
-      comment.render();
-      comment.select();
-    }
-  };
-
-  var wsCommentOption = {
-    // Foreign objects don't work in IE.  Don't let the user create comments
-    // that they won't be able to edit.
-    enabled: !Blockly.utils.userAgent.IE
-  };
-  wsCommentOption.text = Blockly.Msg['ADD_COMMENT'];
-  wsCommentOption.callback = function() {
-    addWsComment();
-  };
-  return wsCommentOption;
-};
diff --git a/core/contextmenu.ts b/core/contextmenu.ts
new file mode 100644
index 00000000000..e469c4335a1
--- /dev/null
+++ b/core/contextmenu.ts
@@ -0,0 +1,268 @@
+/**
+ * @license
+ * Copyright 2011 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.ContextMenu
+
+import type {Block} from './block.js';
+import type {BlockSvg} from './block_svg.js';
+import * as browserEvents from './browser_events.js';
+import {config} from './config.js';
+import * as dom from './utils/dom.js';
+import type {
+  ContextMenuOption,
+  LegacyContextMenuOption,
+} from './contextmenu_registry.js';
+import * as eventUtils from './events/utils.js';
+import {Menu} from './menu.js';
+import {MenuItem} from './menuitem.js';
+import * as aria from './utils/aria.js';
+import {Rect} from './utils/rect.js';
+import * as serializationBlocks from './serialization/blocks.js';
+import * as svgMath from './utils/svg_math.js';
+import * as WidgetDiv from './widgetdiv.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+import * as Xml from './xml.js';
+import * as common from './common.js';
+
+/**
+ * Which block is the context menu attached to?
+ */
+let currentBlock: Block | null = null;
+
+const dummyOwner = {};
+
+/**
+ * Gets the block the context menu is currently attached to.
+ *
+ * @returns The block the context menu is attached to.
+ */
+export function getCurrentBlock(): Block | null {
+  return currentBlock;
+}
+
+/**
+ * Sets the block the context menu is currently attached to.
+ *
+ * @param block The block the context menu is attached to.
+ */
+export function setCurrentBlock(block: Block | null) {
+  currentBlock = block;
+}
+
+/**
+ * Menu object.
+ */
+let menu_: Menu | null = null;
+
+/**
+ * Construct the menu based on the list of options and show the menu.
+ *
+ * @param e Mouse event.
+ * @param options Array of menu options.
+ * @param rtl True if RTL, false if LTR.
+ * @param workspace The workspace associated with the context menu, if any.
+ */
+export function show(
+  e: PointerEvent,
+  options: (ContextMenuOption | LegacyContextMenuOption)[],
+  rtl: boolean,
+  workspace?: WorkspaceSvg,
+) {
+  WidgetDiv.show(dummyOwner, rtl, dispose, workspace);
+  if (!options.length) {
+    hide();
+    return;
+  }
+  const menu = populate_(options, rtl, e);
+  menu_ = menu;
+
+  position_(menu, e, rtl);
+  // 1ms delay is required for focusing on context menus because some other
+  // mouse event is still waiting in the queue and clears focus.
+  setTimeout(function () {
+    menu.focus();
+  }, 1);
+  currentBlock = null; // May be set by Blockly.Block.
+}
+
+/**
+ * Create the context menu object and populate it with the given options.
+ *
+ * @param options Array of menu options.
+ * @param rtl True if RTL, false if LTR.
+ * @param e The event that triggered the context menu to open.
+ * @returns The menu that will be shown on right click.
+ */
+function populate_(
+  options: (ContextMenuOption | LegacyContextMenuOption)[],
+  rtl: boolean,
+  e: PointerEvent,
+): Menu {
+  /* Here's what one option object looks like:
+      {text: 'Make It So',
+       enabled: true,
+       callback: Blockly.MakeItSo}
+    */
+  const menu = new Menu();
+  menu.setRole(aria.Role.MENU);
+  for (let i = 0; i < options.length; i++) {
+    const option = options[i];
+    const menuItem = new MenuItem(option.text);
+    menuItem.setRightToLeft(rtl);
+    menuItem.setRole(aria.Role.MENUITEM);
+    menu.addChild(menuItem);
+    menuItem.setEnabled(option.enabled);
+    if (option.enabled) {
+      const actionHandler = function () {
+        hide();
+        requestAnimationFrame(() => {
+          setTimeout(() => {
+            // If .scope does not exist on the option, then the callback
+            // will not be expecting a scope parameter, so there should be
+            // no problems. Just assume it is a ContextMenuOption and we'll
+            // pass undefined if it's not.
+            option.callback((option as ContextMenuOption).scope, e);
+          }, 0);
+        });
+      };
+      menuItem.onAction(actionHandler, {});
+    }
+  }
+  return menu;
+}
+
+/**
+ * Add the menu to the page and position it correctly.
+ *
+ * @param menu The menu to add and position.
+ * @param e Mouse event for the right click that is making the context
+ *     menu appear.
+ * @param rtl True if RTL, false if LTR.
+ */
+function position_(menu: Menu, e: Event, rtl: boolean) {
+  // Record windowSize and scrollOffset before adding menu.
+  const viewportBBox = svgMath.getViewportBBox();
+  const mouseEvent = e as MouseEvent;
+  // This one is just a point, but we'll pretend that it's a rect so we can use
+  // some helper functions.
+  const anchorBBox = new Rect(
+    mouseEvent.clientY + viewportBBox.top,
+    mouseEvent.clientY + viewportBBox.top,
+    mouseEvent.clientX + viewportBBox.left,
+    mouseEvent.clientX + viewportBBox.left,
+  );
+
+  createWidget_(menu);
+  const menuSize = menu.getSize();
+
+  if (rtl) {
+    anchorBBox.left += menuSize.width;
+    anchorBBox.right += menuSize.width;
+    viewportBBox.left += menuSize.width;
+    viewportBBox.right += menuSize.width;
+  }
+
+  WidgetDiv.positionWithAnchor(viewportBBox, anchorBBox, menuSize, rtl);
+  // Calling menuDom.focus() has to wait until after the menu has been placed
+  // correctly.  Otherwise it will cause a page scroll to get the misplaced menu
+  // in view.  See issue #1329.
+  menu.focus();
+}
+
+/**
+ * Create and render the menu widget inside Blockly's widget div.
+ *
+ * @param menu The menu to add to the widget div.
+ */
+function createWidget_(menu: Menu) {
+  const div = WidgetDiv.getDiv();
+  if (!div) {
+    throw Error('Attempting to create a context menu when widget div is null');
+  }
+  const menuDom = menu.render(div);
+  dom.addClass(menuDom, 'blocklyContextMenu');
+  // Prevent system context menu when right-clicking a Blockly context menu.
+  browserEvents.conditionalBind(
+    menuDom as EventTarget,
+    'contextmenu',
+    null,
+    haltPropagation,
+  );
+  // Focus only after the initial render to avoid issue #1329.
+  menu.focus();
+}
+/**
+ * Halts the propagation of the event without doing anything else.
+ *
+ * @param e An event.
+ */
+function haltPropagation(e: Event) {
+  // This event has been handled.  No need to bubble up to the document.
+  e.preventDefault();
+  e.stopPropagation();
+}
+
+/**
+ * Hide the context menu.
+ */
+export function hide() {
+  WidgetDiv.hideIfOwner(dummyOwner);
+  currentBlock = null;
+}
+
+/**
+ * Dispose of the menu.
+ */
+export function dispose() {
+  if (menu_) {
+    menu_.dispose();
+    menu_ = null;
+  }
+}
+
+/**
+ * Create a callback function that creates and configures a block,
+ *   then places the new block next to the original and returns it.
+ *
+ * @param block Original block.
+ * @param state XML or JSON object representation of the new block.
+ * @returns Function that creates a block.
+ */
+export function callbackFactory(
+  block: Block,
+  state: Element | serializationBlocks.State,
+): () => BlockSvg {
+  return () => {
+    eventUtils.disable();
+    let newBlock: BlockSvg;
+    try {
+      if (state instanceof Element) {
+        newBlock = Xml.domToBlockInternal(state, block.workspace!) as BlockSvg;
+      } else {
+        newBlock = serializationBlocks.appendInternal(
+          state,
+          block.workspace,
+        ) as BlockSvg;
+      }
+      // Move the new block next to the old block.
+      const xy = block.getRelativeToSurfaceXY();
+      if (block.RTL) {
+        xy.x -= config.snapRadius;
+      } else {
+        xy.x += config.snapRadius;
+      }
+      xy.y += config.snapRadius * 2;
+      newBlock.moveBy(xy.x, xy.y);
+    } finally {
+      eventUtils.enable();
+    }
+    if (eventUtils.isEnabled() && !newBlock.isShadow()) {
+      eventUtils.fire(new (eventUtils.get(eventUtils.BLOCK_CREATE))(newBlock));
+    }
+    common.setSelected(newBlock);
+    return newBlock;
+  };
+}
diff --git a/core/contextmenu_items.js b/core/contextmenu_items.js
deleted file mode 100644
index 560c6405e1d..00000000000
--- a/core/contextmenu_items.js
+++ /dev/null
@@ -1,534 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Registers default context menu items.
- * @author maribethb@google.com (Maribeth Bottorff)
- */
-'use strict';
-
-/**
- * @name Blockly.ContextMenuItems
- * @namespace
- */
-goog.provide('Blockly.ContextMenuItems');
-
-goog.requireType('Blockly.BlockSvg');
-
-/** Option to undo previous action. */
-Blockly.ContextMenuItems.registerUndo = function() {
-  /** @type {!Blockly.ContextMenuRegistry.RegistryItem} */
-  var undoOption = {
-    displayText: function() {
-      return Blockly.Msg['UNDO'];
-    },
-    preconditionFn: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      if (scope.workspace.getUndoStack().length > 0) {
-        return 'enabled';
-      }
-      return 'disabled';
-    },
-    callback: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      scope.workspace.undo(false);
-    },
-    scopeType: Blockly.ContextMenuRegistry.ScopeType.WORKSPACE,
-    id: 'undoWorkspace',
-    weight: 0,
-  };
-  Blockly.ContextMenuRegistry.registry.register(undoOption);
-};
-
-/** Option to redo previous action. */
-Blockly.ContextMenuItems.registerRedo = function() {
-  /** @type {!Blockly.ContextMenuRegistry.RegistryItem} */
-  var redoOption = {
-    displayText: function() { return Blockly.Msg['REDO']; },
-    preconditionFn: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      if (scope.workspace.getRedoStack().length > 0) {
-        return 'enabled';
-      }
-      return 'disabled';
-    },
-    callback: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      scope.workspace.undo(true);
-    },
-    scopeType: Blockly.ContextMenuRegistry.ScopeType.WORKSPACE,
-    id: 'redoWorkspace',
-    weight: 0,
-  };
-  Blockly.ContextMenuRegistry.registry.register(redoOption);
-};
-    
-/** Option to clean up blocks. */
-Blockly.ContextMenuItems.registerCleanup = function() {
-  /** @type {!Blockly.ContextMenuRegistry.RegistryItem} */
-  var cleanOption = {
-    displayText: function() {
-      return Blockly.Msg['CLEAN_UP'];
-    },
-    preconditionFn: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      if (scope.workspace.isMovable()) {
-        if (scope.workspace.getTopBlocks(false).length > 1) {
-          return 'enabled';
-        }
-        return 'disabled';
-      }
-      return 'hidden';
-    },
-    callback: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      scope.workspace.cleanUp();
-    },
-    scopeType: Blockly.ContextMenuRegistry.ScopeType.WORKSPACE,
-    id: 'cleanWorkspace',
-    weight: 0,
-  };
-  Blockly.ContextMenuRegistry.registry.register(cleanOption);
-};
-  
-/**
- * Creates a callback to collapse or expand top blocks.
- * @param {boolean} shouldCollapse Whether a block should collapse.
- * @param {!Array<Blockly.BlockSvg>} topBlocks Top blocks in the workspace.
- * @private
- */
-Blockly.ContextMenuItems.toggleOption_ = function(shouldCollapse, topBlocks) {
-  var DELAY = 10;
-  var ms = 0;
-  for (var i = 0; i < topBlocks.length; i++) {
-    var block = topBlocks[i];
-    while (block) {
-      setTimeout(block.setCollapsed.bind(block, shouldCollapse), ms);
-      block = block.getNextBlock();
-      ms += DELAY;
-    }
-  }
-};
-
-/** Option to collapse all blocks. */
-Blockly.ContextMenuItems.registerCollapse = function() {
-  /** @type {!Blockly.ContextMenuRegistry.RegistryItem} */
-  var collapseOption = {
-    displayText:  function() {
-      return Blockly.Msg['COLLAPSE_ALL'];
-    },
-    preconditionFn:  function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      if (scope.workspace.options.collapse) {
-        var topBlocks = scope.workspace.getTopBlocks(false);
-        for (var i = 0; i < topBlocks.length; i++) {
-          var block = topBlocks[i];
-          while (block) {
-            if (!block.isCollapsed()) {
-              return 'enabled';
-            }
-            block = block.getNextBlock();
-          }
-        }
-        return 'disabled';
-      }
-      return 'hidden';
-    },
-    callback:  function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      Blockly.ContextMenuItems.toggleOption_(true, scope.workspace.getTopBlocks(true));
-    },
-    scopeType:  Blockly.ContextMenuRegistry.ScopeType.WORKSPACE,
-    id:  'collapseWorkspace',
-    weight:  0,
-  };
-  Blockly.ContextMenuRegistry.registry.register(collapseOption);
-};
-  
-/** Option to expand all blocks. */
-Blockly.ContextMenuItems.registerExpand = function() {
-  /** @type {!Blockly.ContextMenuRegistry.RegistryItem} */
-  var expandOption = {
-    displayText: function() {
-      return Blockly.Msg['EXPAND_ALL'];
-    },
-    preconditionFn: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      if (scope.workspace.options.collapse) {
-        var topBlocks = scope.workspace.getTopBlocks(false);
-        for (var i = 0; i < topBlocks.length; i++) {
-          var block = topBlocks[i];
-          while (block) {
-            if (block.isCollapsed()) {
-              return 'enabled';
-            }
-            block = block.getNextBlock();
-          }
-        }
-        return 'disabled';
-      }
-      return 'hidden';
-    },
-    callback: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      Blockly.ContextMenuItems.toggleOption_(false, scope.workspace.getTopBlocks(true));
-    },
-    scopeType: Blockly.ContextMenuRegistry.ScopeType.WORKSPACE,
-    id: 'expandWorkspace',
-    weight: 0,
-  };
-  Blockly.ContextMenuRegistry.registry.register(expandOption);
-};
-  
-/**
- * Adds a block and its children to a list of deletable blocks.
- * @param {!Blockly.BlockSvg} block to delete.
- * @param {!Array.<!Blockly.BlockSvg>} deleteList list of blocks that can be deleted. This will be
- *    modifed in place with the given block and its descendants.
- * @private
- */
-Blockly.ContextMenuItems.addDeletableBlocks_ = function(block, deleteList) {
-  if (block.isDeletable()) {
-    Array.prototype.push.apply(deleteList, block.getDescendants(false));
-  } else {
-    var children = /** @type !Array.<!Blockly.BlockSvg> */ (block.getChildren(false));
-    for (var i = 0; i < children.length; i++) {
-      Blockly.ContextMenuItems.addDeletableBlocks_(children[i], deleteList);
-    }
-  }
-};
-  
-/**
- * Constructs a list of blocks that can be deleted in the given workspace.
- * @param {!Blockly.WorkspaceSvg} workspace to delete all blocks from.
- * @return {!Array.<!Blockly.BlockSvg>} list of blocks to delete.
- * @private
- */
-Blockly.ContextMenuItems.getDeletableBlocks_ = function(workspace) {
-  var deleteList = [];
-  var topBlocks = workspace.getTopBlocks(true);
-  for (var i = 0; i < topBlocks.length; i++) {
-    Blockly.ContextMenuItems.addDeletableBlocks_(topBlocks[i], deleteList);
-  }
-  return deleteList;
-};
-    
-/** Deletes the given blocks. Used to delete all blocks in the workspace.
- * @param {!Array.<!Blockly.BlockSvg>} deleteList list of blocks to delete.
- * @param {string} eventGroup event group id with which all delete events should be associated.
- * @private
- */
-Blockly.ContextMenuItems.deleteNext_ = function(deleteList, eventGroup) {
-  var DELAY = 10;
-  Blockly.Events.setGroup(eventGroup);
-  var block = deleteList.shift();
-  if (block) {
-    if (block.workspace) {
-      block.dispose(false, true);
-      setTimeout(Blockly.ContextMenuItems.deleteNext_, DELAY, deleteList, eventGroup);
-    } else {
-      Blockly.ContextMenuItems.deleteNext_(deleteList, eventGroup);
-    }
-  }
-  Blockly.Events.setGroup(false);
-};
-  
-/** Option to delete all blocks. */
-Blockly.ContextMenuItems.registerDeleteAll = function() {
-  /** @type {!Blockly.ContextMenuRegistry.RegistryItem} */
-  var deleteOption = {
-    displayText: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      if (!scope.workspace) {
-        return;
-      }
-      var deletableBlocksLength =
-          Blockly.ContextMenuItems.getDeletableBlocks_(scope.workspace).length;
-      if (deletableBlocksLength == 1) {
-        return Blockly.Msg['DELETE_BLOCK'];
-      } else {
-        return Blockly.Msg['DELETE_X_BLOCKS'].replace('%1', String(deletableBlocksLength));
-      }
-    },
-    preconditionFn: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      if (!scope.workspace) {
-        return;
-      }
-      var deletableBlocksLength =
-         Blockly.ContextMenuItems.getDeletableBlocks_(scope.workspace).length;
-      return deletableBlocksLength > 0 ? 'enabled' : 'disabled';
-    },
-    callback: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      if (!scope.workspace) {
-        return;
-      }
-      scope.workspace.cancelCurrentGesture();
-      var deletableBlocks = Blockly.ContextMenuItems.getDeletableBlocks_(scope.workspace);
-      var eventGroup = Blockly.utils.genUid();
-      if (deletableBlocks.length < 2) {
-        Blockly.ContextMenuItems.deleteNext_(deletableBlocks, eventGroup);
-      } else {
-        Blockly.confirm(
-            Blockly.Msg['DELETE_ALL_BLOCKS'].replace('%1', deletableBlocks.length),
-            function(ok) {
-              if (ok) {
-                Blockly.ContextMenuItems.deleteNext_(deletableBlocks, eventGroup);
-              }
-            });
-      }
-    },
-    scopeType: Blockly.ContextMenuRegistry.ScopeType.WORKSPACE,
-    id: 'workspaceDelete',
-    weight: 0,
-  };
-  Blockly.ContextMenuRegistry.registry.register(deleteOption);
-};
-
-/**
- * Registers all workspace-scoped context menu items.
- * @private
- */
-Blockly.ContextMenuItems.registerWorkspaceOptions_ = function() {
-  Blockly.ContextMenuItems.registerUndo();
-  Blockly.ContextMenuItems.registerRedo();
-  Blockly.ContextMenuItems.registerCleanup();
-  Blockly.ContextMenuItems.registerCollapse();
-  Blockly.ContextMenuItems.registerExpand();
-  Blockly.ContextMenuItems.registerDeleteAll();
-};
-
-/** Option to duplicate a block. */
-Blockly.ContextMenuItems.registerDuplicate = function() {
-  /** @type {!Blockly.ContextMenuRegistry.RegistryItem} */
-  var duplicateOption = {
-    displayText: function() {
-      return Blockly.Msg['DUPLICATE_BLOCK'];
-    },
-    preconditionFn: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      var block = scope.block;
-      if (!block.isInFlyout && block.isDeletable() && block.isMovable()) {
-        if (block.isDuplicatable()) {
-          return 'enabled';
-        }
-        return 'disabled';
-      }
-      return 'hidden';
-    },
-    callback: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      if (scope.block) {
-        Blockly.duplicate(scope.block);
-      }
-    },
-    scopeType: Blockly.ContextMenuRegistry.ScopeType.BLOCK,
-    id: 'blockDuplicate',
-    weight: 0,
-  };
-  Blockly.ContextMenuRegistry.registry.register(duplicateOption);
-};
-
-/** Option to add or remove block-level comment. */
-Blockly.ContextMenuItems.registerComment = function() {
-  /** @type {!Blockly.ContextMenuRegistry.RegistryItem} */
-  var commentOption = {
-    displayText: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      if (scope.block.getCommentIcon()) {
-        // If there's already a comment,  option is to remove.
-        return Blockly.Msg['REMOVE_COMMENT'];
-      }
-      // If there's no comment yet, option is to add.
-      return Blockly.Msg['ADD_COMMENT'];
-    },
-    preconditionFn: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      var block = scope.block;
-      // IE doesn't support necessary features for comment editing.
-      if (!Blockly.utils.userAgent.IE && !block.isInFlyout && block.workspace.options.comments &&
-        !block.isCollapsed() && block.isEditable()) {
-        return 'enabled';
-      }
-      return 'hidden';
-    },
-    callback: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      var block = scope.block;
-      if (block.getCommentIcon()) {
-        block.setCommentText(null);
-      } else {
-        block.setCommentText('');
-      }
-    },
-    scopeType: Blockly.ContextMenuRegistry.ScopeType.BLOCK,
-    id: 'blockComment',
-    weight: 0,
-  };
-  Blockly.ContextMenuRegistry.registry.register(commentOption);
-};
-
-/** Option to inline variables. */
-Blockly.ContextMenuItems.registerInline = function() {
-  /** @type {!Blockly.ContextMenuRegistry.RegistryItem} */
-  var inlineOption = {
-    displayText: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      return (scope.block.getInputsInline()) ?
-          Blockly.Msg['EXTERNAL_INPUTS'] : Blockly.Msg['INLINE_INPUTS'];
-    },
-    preconditionFn: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      var block = scope.block;
-      if (!block.isInFlyout && block.isMovable() && !block.isCollapsed()) {
-        for (var i = 1; i < block.inputList.length; i++) {
-          // Only display this option if there are two value or dummy inputs next to each other.
-          if (block.inputList[i - 1].type != Blockly.NEXT_STATEMENT &&
-              block.inputList[i].type != Blockly.NEXT_STATEMENT) {
-            return 'enabled';
-          }
-        }
-      }
-      return 'hidden';
-    },
-    callback: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      scope.block.setInputsInline(!scope.block.getInputsInline());
-    },
-    scopeType: Blockly.ContextMenuRegistry.ScopeType.BLOCK,
-    id: 'blockInline',
-    weight: 0,
-  };
-  Blockly.ContextMenuRegistry.registry.register(inlineOption);
-};
-
-/** Option to collapse or expand a block. */
-Blockly.ContextMenuItems.registerCollapseExpandBlock = function() {
-  /** @type {!Blockly.ContextMenuRegistry.RegistryItem} */
-  var collapseExpandOption = {
-    displayText: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      if (scope.block.isCollapsed()) {
-        return Blockly.Msg['EXPAND_BLOCK'];
-      }
-      return Blockly.Msg['COLLAPSE_BLOCK'];
-    },
-    preconditionFn: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      var block = scope.block;
-      if (!block.isInFlyout && block.isMovable()) {
-        return 'enabled';
-      }
-      return 'hidden';
-    },
-    callback: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      scope.block.setCollapsed(!scope.block.isCollapsed());
-    },
-    scopeType: Blockly.ContextMenuRegistry.ScopeType.BLOCK,
-    id: 'blockCollapseExpand',
-    weight: 0,
-  };
-  Blockly.ContextMenuRegistry.registry.register(collapseExpandOption);
-};
-
-/** Option to disable or enable a block. */
-Blockly.ContextMenuItems.registerDisable = function() {
-  /** @type {!Blockly.ContextMenuRegistry.RegistryItem} */
-  var disableOption = {
-    displayText: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      return (scope.block.isEnabled()) ?
-          Blockly.Msg['DISABLE_BLOCK'] : Blockly.Msg['ENABLE_BLOCK'];
-    },
-    preconditionFn: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      var block = scope.block;
-      if (!block.isInFlyout && block.workspace.options.disable && block.isEditable()) {
-        if (block.getInheritedDisabled()) {
-          return 'disabled';
-        }
-        return 'enabled';
-      }
-      return 'hidden';
-    },
-    callback: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      var block = scope.block;
-      var group = Blockly.Events.getGroup();
-      if (!group) {
-        Blockly.Events.setGroup(true);
-      }
-      block.setEnabled(!block.isEnabled());
-      if (!group) {
-        Blockly.Events.setGroup(false);
-      }
-    },
-    scopeType: Blockly.ContextMenuRegistry.ScopeType.BLOCK,
-    id: 'blockDisable',
-    weight: 0,
-  };
-  Blockly.ContextMenuRegistry.registry.register(disableOption);
-};
-
-/** Option to delete a block. */
-Blockly.ContextMenuItems.registerDelete = function() {
-  /** @type {!Blockly.ContextMenuRegistry.RegistryItem} */
-  var deleteOption = {
-    displayText: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      var block = scope.block;
-      // Count the number of blocks that are nested in this block.
-      var descendantCount = block.getDescendants(false).length;
-      var nextBlock = block.getNextBlock();
-      if (nextBlock) {
-        // Blocks in the current stack would survive this block's deletion.
-        descendantCount -= nextBlock.getDescendants(false).length;
-      }
-      return (descendantCount == 1) ? Blockly.Msg['DELETE_BLOCK'] :
-          Blockly.Msg['DELETE_X_BLOCKS'].replace('%1', String(descendantCount));
-    },
-    preconditionFn: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      if (!scope.block.isInFlyout && scope.block.isDeletable()) {
-        return 'enabled';
-      }
-      return 'hidden';
-    },
-    callback: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      Blockly.Events.setGroup(true);
-      scope.block.dispose(true, true);
-      Blockly.Events.setGroup(false);
-    },
-    scopeType: Blockly.ContextMenuRegistry.ScopeType.BLOCK,
-    id: 'blockDelete',
-    weight: 0,
-  };
-  Blockly.ContextMenuRegistry.registry.register(deleteOption);
-};
-
-/** Option to open help for a block. */
-Blockly.ContextMenuItems.registerHelp = function() {
-  /** @type {!Blockly.ContextMenuRegistry.RegistryItem} */
-  var helpOption = {
-    displayText: function() {
-      return Blockly.Msg['HELP'];
-    },
-    preconditionFn: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      var block = scope.block;
-      var url = (typeof block.helpUrl == 'function') ?
-          block.helpUrl() : block.helpUrl;
-      if (url) {
-        return 'enabled';
-      }
-      return 'hidden';
-    },
-    callback: function(/** @type {!Blockly.ContextMenuRegistry.Scope} */ scope) {
-      scope.block.showHelp();
-    },
-    scopeType: Blockly.ContextMenuRegistry.ScopeType.BLOCK,
-    id: 'blockHelp',
-    weight: 0,
-  };
-  Blockly.ContextMenuRegistry.registry.register(helpOption);
-};
-
-/**
- * Registers all block-scoped context menu items.
- * @private
- */
-Blockly.ContextMenuItems.registerBlockOptions_ = function() {
-  Blockly.ContextMenuItems.registerDuplicate();
-  Blockly.ContextMenuItems.registerComment();
-  Blockly.ContextMenuItems.registerInline();
-  Blockly.ContextMenuItems.registerCollapseExpandBlock();
-  Blockly.ContextMenuItems.registerDisable();
-  Blockly.ContextMenuItems.registerDelete();
-  Blockly.ContextMenuItems.registerHelp();
-};
-
-/**
- * Registers all default context menu items. This should be called once per instance of
- * ContextMenuRegistry.
- * @package
- */
-Blockly.ContextMenuItems.registerDefaultOptions = function() {
-  Blockly.ContextMenuItems.registerWorkspaceOptions_();
-  Blockly.ContextMenuItems.registerBlockOptions_();
-};
-  
diff --git a/core/contextmenu_items.ts b/core/contextmenu_items.ts
new file mode 100644
index 00000000000..254906ce7ff
--- /dev/null
+++ b/core/contextmenu_items.ts
@@ -0,0 +1,700 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.ContextMenuItems
+
+import type {BlockSvg} from './block_svg.js';
+import * as clipboard from './clipboard.js';
+import {RenderedWorkspaceComment} from './comments/rendered_workspace_comment.js';
+import {
+  ContextMenuRegistry,
+  RegistryItem,
+  Scope,
+} from './contextmenu_registry.js';
+import {MANUALLY_DISABLED} from './constants.js';
+import * as dialog from './dialog.js';
+import * as Events from './events/events.js';
+import * as eventUtils from './events/utils.js';
+import {CommentIcon} from './icons/comment_icon.js';
+import {Msg} from './msg.js';
+import {StatementInput} from './renderers/zelos/zelos.js';
+import {Coordinate} from './utils/coordinate.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+import * as common from './common.js';
+
+/**
+ * Option to undo previous action.
+ */
+export function registerUndo() {
+  const undoOption: RegistryItem = {
+    displayText() {
+      return Msg['UNDO'];
+    },
+    preconditionFn(scope: Scope) {
+      if (scope.workspace!.getUndoStack().length > 0) {
+        return 'enabled';
+      }
+      return 'disabled';
+    },
+    callback(scope: Scope) {
+      scope.workspace!.undo(false);
+    },
+    scopeType: ContextMenuRegistry.ScopeType.WORKSPACE,
+    id: 'undoWorkspace',
+    weight: 1,
+  };
+  ContextMenuRegistry.registry.register(undoOption);
+}
+
+/**
+ * Option to redo previous action.
+ */
+export function registerRedo() {
+  const redoOption: RegistryItem = {
+    displayText() {
+      return Msg['REDO'];
+    },
+    preconditionFn(scope: Scope) {
+      if (scope.workspace!.getRedoStack().length > 0) {
+        return 'enabled';
+      }
+      return 'disabled';
+    },
+    callback(scope: Scope) {
+      scope.workspace!.undo(true);
+    },
+    scopeType: ContextMenuRegistry.ScopeType.WORKSPACE,
+    id: 'redoWorkspace',
+    weight: 2,
+  };
+  ContextMenuRegistry.registry.register(redoOption);
+}
+
+/**
+ * Option to clean up blocks.
+ */
+export function registerCleanup() {
+  const cleanOption: RegistryItem = {
+    displayText() {
+      return Msg['CLEAN_UP'];
+    },
+    preconditionFn(scope: Scope) {
+      if (scope.workspace!.isMovable()) {
+        if (scope.workspace!.getTopBlocks(false).length > 1) {
+          return 'enabled';
+        }
+        return 'disabled';
+      }
+      return 'hidden';
+    },
+    callback(scope: Scope) {
+      scope.workspace!.cleanUp();
+    },
+    scopeType: ContextMenuRegistry.ScopeType.WORKSPACE,
+    id: 'cleanWorkspace',
+    weight: 3,
+  };
+  ContextMenuRegistry.registry.register(cleanOption);
+}
+/**
+ * Creates a callback to collapse or expand top blocks.
+ *
+ * @param shouldCollapse Whether a block should collapse.
+ * @param topBlocks Top blocks in the workspace.
+ */
+function toggleOption_(shouldCollapse: boolean, topBlocks: BlockSvg[]) {
+  const DELAY = 10;
+  let ms = 0;
+  let timeoutCounter = 0;
+  function timeoutFn(block: BlockSvg) {
+    timeoutCounter--;
+    block.setCollapsed(shouldCollapse);
+    if (timeoutCounter === 0) {
+      Events.setGroup(false);
+    }
+  }
+  Events.setGroup(true);
+  for (let i = 0; i < topBlocks.length; i++) {
+    let block: BlockSvg | null = topBlocks[i];
+    while (block) {
+      timeoutCounter++;
+      setTimeout(timeoutFn.bind(null, block), ms);
+      block = block.getNextBlock();
+      ms += DELAY;
+    }
+  }
+}
+
+/**
+ * Option to collapse all blocks.
+ */
+export function registerCollapse() {
+  const collapseOption: RegistryItem = {
+    displayText() {
+      return Msg['COLLAPSE_ALL'];
+    },
+    preconditionFn(scope: Scope) {
+      if (scope.workspace!.options.collapse) {
+        const topBlocks = scope.workspace!.getTopBlocks(false);
+        for (let i = 0; i < topBlocks.length; i++) {
+          let block: BlockSvg | null = topBlocks[i];
+          while (block) {
+            if (!block.isCollapsed()) {
+              return 'enabled';
+            }
+            block = block.getNextBlock();
+          }
+        }
+        return 'disabled';
+      }
+      return 'hidden';
+    },
+    callback(scope: Scope) {
+      toggleOption_(true, scope.workspace!.getTopBlocks(true));
+    },
+    scopeType: ContextMenuRegistry.ScopeType.WORKSPACE,
+    id: 'collapseWorkspace',
+    weight: 4,
+  };
+  ContextMenuRegistry.registry.register(collapseOption);
+}
+
+/**
+ * Option to expand all blocks.
+ */
+export function registerExpand() {
+  const expandOption: RegistryItem = {
+    displayText() {
+      return Msg['EXPAND_ALL'];
+    },
+    preconditionFn(scope: Scope) {
+      if (scope.workspace!.options.collapse) {
+        const topBlocks = scope.workspace!.getTopBlocks(false);
+        for (let i = 0; i < topBlocks.length; i++) {
+          let block: BlockSvg | null = topBlocks[i];
+          while (block) {
+            if (block.isCollapsed()) {
+              return 'enabled';
+            }
+            block = block.getNextBlock();
+          }
+        }
+        return 'disabled';
+      }
+      return 'hidden';
+    },
+    callback(scope: Scope) {
+      toggleOption_(false, scope.workspace!.getTopBlocks(true));
+    },
+    scopeType: ContextMenuRegistry.ScopeType.WORKSPACE,
+    id: 'expandWorkspace',
+    weight: 5,
+  };
+  ContextMenuRegistry.registry.register(expandOption);
+}
+/**
+ * Adds a block and its children to a list of deletable blocks.
+ *
+ * @param block to delete.
+ * @param deleteList list of blocks that can be deleted.
+ *     This will be modified in place with the given block and its descendants.
+ */
+function addDeletableBlocks_(block: BlockSvg, deleteList: BlockSvg[]) {
+  if (block.isDeletable()) {
+    Array.prototype.push.apply(deleteList, block.getDescendants(false));
+  } else {
+    const children = block.getChildren(false);
+    for (let i = 0; i < children.length; i++) {
+      addDeletableBlocks_(children[i], deleteList);
+    }
+  }
+}
+
+/**
+ * Constructs a list of blocks that can be deleted in the given workspace.
+ *
+ * @param workspace to delete all blocks from.
+ * @returns list of blocks to delete.
+ */
+function getDeletableBlocks_(workspace: WorkspaceSvg): BlockSvg[] {
+  const deleteList: BlockSvg[] = [];
+  const topBlocks = workspace.getTopBlocks(true);
+  for (let i = 0; i < topBlocks.length; i++) {
+    addDeletableBlocks_(topBlocks[i], deleteList);
+  }
+  return deleteList;
+}
+
+/**
+ * Deletes the given blocks. Used to delete all blocks in the workspace.
+ *
+ * @param deleteList List of blocks to delete.
+ * @param eventGroup Event group ID with which all delete events should be
+ *     associated.  If not specified, create a new group.
+ */
+function deleteNext_(deleteList: BlockSvg[], eventGroup?: string) {
+  const DELAY = 10;
+  if (eventGroup) {
+    eventUtils.setGroup(eventGroup);
+  } else {
+    eventUtils.setGroup(true);
+    eventGroup = eventUtils.getGroup();
+  }
+  const block = deleteList.shift();
+  if (block) {
+    if (!block.isDeadOrDying()) {
+      block.dispose(false, true);
+      setTimeout(deleteNext_, DELAY, deleteList, eventGroup);
+    } else {
+      deleteNext_(deleteList, eventGroup);
+    }
+  }
+  eventUtils.setGroup(false);
+}
+
+/**
+ * Option to delete all blocks.
+ */
+export function registerDeleteAll() {
+  const deleteOption: RegistryItem = {
+    displayText(scope: Scope) {
+      if (!scope.workspace) {
+        return '';
+      }
+      const deletableBlocksLength = getDeletableBlocks_(scope.workspace).length;
+      if (deletableBlocksLength === 1) {
+        return Msg['DELETE_BLOCK'];
+      }
+      return Msg['DELETE_X_BLOCKS'].replace('%1', `${deletableBlocksLength}`);
+    },
+    preconditionFn(scope: Scope) {
+      if (!scope.workspace) {
+        return 'disabled';
+      }
+      const deletableBlocksLength = getDeletableBlocks_(scope.workspace).length;
+      return deletableBlocksLength > 0 ? 'enabled' : 'disabled';
+    },
+    callback(scope: Scope) {
+      if (!scope.workspace) {
+        return;
+      }
+      scope.workspace.cancelCurrentGesture();
+      const deletableBlocks = getDeletableBlocks_(scope.workspace);
+      if (deletableBlocks.length < 2) {
+        deleteNext_(deletableBlocks);
+      } else {
+        dialog.confirm(
+          Msg['DELETE_ALL_BLOCKS'].replace(
+            '%1',
+            String(deletableBlocks.length),
+          ),
+          function (ok) {
+            if (ok) {
+              deleteNext_(deletableBlocks);
+            }
+          },
+        );
+      }
+    },
+    scopeType: ContextMenuRegistry.ScopeType.WORKSPACE,
+    id: 'workspaceDelete',
+    weight: 6,
+  };
+  ContextMenuRegistry.registry.register(deleteOption);
+}
+/** Registers all workspace-scoped context menu items. */
+function registerWorkspaceOptions_() {
+  registerUndo();
+  registerRedo();
+  registerCleanup();
+  registerCollapse();
+  registerExpand();
+  registerDeleteAll();
+}
+
+/**
+ * Option to duplicate a block.
+ */
+export function registerDuplicate() {
+  const duplicateOption: RegistryItem = {
+    displayText() {
+      return Msg['DUPLICATE_BLOCK'];
+    },
+    preconditionFn(scope: Scope) {
+      const block = scope.block;
+      if (!block!.isInFlyout && block!.isDeletable() && block!.isMovable()) {
+        if (block!.isDuplicatable()) {
+          return 'enabled';
+        }
+        return 'disabled';
+      }
+      return 'hidden';
+    },
+    callback(scope: Scope) {
+      if (!scope.block) return;
+      const data = scope.block.toCopyData();
+      if (!data) return;
+      clipboard.paste(data, scope.block.workspace);
+    },
+    scopeType: ContextMenuRegistry.ScopeType.BLOCK,
+    id: 'blockDuplicate',
+    weight: 1,
+  };
+  ContextMenuRegistry.registry.register(duplicateOption);
+}
+
+/**
+ * Option to add or remove block-level comment.
+ */
+export function registerComment() {
+  const commentOption: RegistryItem = {
+    displayText(scope: Scope) {
+      if (scope.block!.hasIcon(CommentIcon.TYPE)) {
+        // If there's already a comment,  option is to remove.
+        return Msg['REMOVE_COMMENT'];
+      }
+      // If there's no comment yet, option is to add.
+      return Msg['ADD_COMMENT'];
+    },
+    preconditionFn(scope: Scope) {
+      const block = scope.block;
+      if (
+        !block!.isInFlyout &&
+        block!.workspace.options.comments &&
+        !block!.isCollapsed() &&
+        block!.isEditable()
+      ) {
+        return 'enabled';
+      }
+      return 'hidden';
+    },
+    callback(scope: Scope) {
+      const block = scope.block;
+      if (block!.hasIcon(CommentIcon.TYPE)) {
+        block!.setCommentText(null);
+      } else {
+        block!.setCommentText('');
+      }
+    },
+    scopeType: ContextMenuRegistry.ScopeType.BLOCK,
+    id: 'blockComment',
+    weight: 2,
+  };
+  ContextMenuRegistry.registry.register(commentOption);
+}
+
+/**
+ * Option to inline variables.
+ */
+export function registerInline() {
+  const inlineOption: RegistryItem = {
+    displayText(scope: Scope) {
+      return scope.block!.getInputsInline()
+        ? Msg['EXTERNAL_INPUTS']
+        : Msg['INLINE_INPUTS'];
+    },
+    preconditionFn(scope: Scope) {
+      const block = scope.block;
+      if (!block!.isInFlyout && block!.isMovable() && !block!.isCollapsed()) {
+        for (let i = 1; i < block!.inputList.length; i++) {
+          // Only display this option if there are two value or dummy inputs
+          // next to each other.
+          if (
+            !(block!.inputList[i - 1] instanceof StatementInput) &&
+            !(block!.inputList[i] instanceof StatementInput)
+          ) {
+            return 'enabled';
+          }
+        }
+      }
+      return 'hidden';
+    },
+    callback(scope: Scope) {
+      scope.block!.setInputsInline(!scope.block!.getInputsInline());
+    },
+    scopeType: ContextMenuRegistry.ScopeType.BLOCK,
+    id: 'blockInline',
+    weight: 3,
+  };
+  ContextMenuRegistry.registry.register(inlineOption);
+}
+
+/**
+ * Option to collapse or expand a block.
+ */
+export function registerCollapseExpandBlock() {
+  const collapseExpandOption: RegistryItem = {
+    displayText(scope: Scope) {
+      return scope.block!.isCollapsed()
+        ? Msg['EXPAND_BLOCK']
+        : Msg['COLLAPSE_BLOCK'];
+    },
+    preconditionFn(scope: Scope) {
+      const block = scope.block;
+      if (
+        !block!.isInFlyout &&
+        block!.isMovable() &&
+        block!.workspace.options.collapse
+      ) {
+        return 'enabled';
+      }
+      return 'hidden';
+    },
+    callback(scope: Scope) {
+      scope.block!.setCollapsed(!scope.block!.isCollapsed());
+    },
+    scopeType: ContextMenuRegistry.ScopeType.BLOCK,
+    id: 'blockCollapseExpand',
+    weight: 4,
+  };
+  ContextMenuRegistry.registry.register(collapseExpandOption);
+}
+
+/**
+ * Option to disable or enable a block.
+ */
+export function registerDisable() {
+  const disableOption: RegistryItem = {
+    displayText(scope: Scope) {
+      return scope.block!.hasDisabledReason(MANUALLY_DISABLED)
+        ? Msg['ENABLE_BLOCK']
+        : Msg['DISABLE_BLOCK'];
+    },
+    preconditionFn(scope: Scope) {
+      const block = scope.block;
+      if (
+        !block!.isInFlyout &&
+        block!.workspace.options.disable &&
+        block!.isEditable()
+      ) {
+        // Determine whether this block is currently disabled for any reason
+        // other than the manual reason that this context menu item controls.
+        const disabledReasons = block!.getDisabledReasons();
+        const isDisabledForOtherReason =
+          disabledReasons.size >
+          (disabledReasons.has(MANUALLY_DISABLED) ? 1 : 0);
+
+        if (block!.getInheritedDisabled() || isDisabledForOtherReason) {
+          return 'disabled';
+        }
+        return 'enabled';
+      }
+      return 'hidden';
+    },
+    callback(scope: Scope) {
+      const block = scope.block;
+      const existingGroup = eventUtils.getGroup();
+      if (!existingGroup) {
+        eventUtils.setGroup(true);
+      }
+      block!.setDisabledReason(
+        !block!.hasDisabledReason(MANUALLY_DISABLED),
+        MANUALLY_DISABLED,
+      );
+      eventUtils.setGroup(existingGroup);
+    },
+    scopeType: ContextMenuRegistry.ScopeType.BLOCK,
+    id: 'blockDisable',
+    weight: 5,
+  };
+  ContextMenuRegistry.registry.register(disableOption);
+}
+
+/**
+ * Option to delete a block.
+ */
+export function registerDelete() {
+  const deleteOption: RegistryItem = {
+    displayText(scope: Scope) {
+      const block = scope.block;
+      // Count the number of blocks that are nested in this block.
+      let descendantCount = block!.getDescendants(false).length;
+      const nextBlock = block!.getNextBlock();
+      if (nextBlock) {
+        // Blocks in the current stack would survive this block's deletion.
+        descendantCount -= nextBlock.getDescendants(false).length;
+      }
+      return descendantCount === 1
+        ? Msg['DELETE_BLOCK']
+        : Msg['DELETE_X_BLOCKS'].replace('%1', `${descendantCount}`);
+    },
+    preconditionFn(scope: Scope) {
+      if (!scope.block!.isInFlyout && scope.block!.isDeletable()) {
+        return 'enabled';
+      }
+      return 'hidden';
+    },
+    callback(scope: Scope) {
+      if (scope.block) {
+        scope.block.checkAndDelete();
+      }
+    },
+    scopeType: ContextMenuRegistry.ScopeType.BLOCK,
+    id: 'blockDelete',
+    weight: 6,
+  };
+  ContextMenuRegistry.registry.register(deleteOption);
+}
+
+/**
+ * Option to open help for a block.
+ */
+export function registerHelp() {
+  const helpOption: RegistryItem = {
+    displayText() {
+      return Msg['HELP'];
+    },
+    preconditionFn(scope: Scope) {
+      const block = scope.block;
+      const url =
+        typeof block!.helpUrl === 'function'
+          ? block!.helpUrl()
+          : block!.helpUrl;
+      if (url) {
+        return 'enabled';
+      }
+      return 'hidden';
+    },
+    callback(scope: Scope) {
+      scope.block!.showHelp();
+    },
+    scopeType: ContextMenuRegistry.ScopeType.BLOCK,
+    id: 'blockHelp',
+    weight: 7,
+  };
+  ContextMenuRegistry.registry.register(helpOption);
+}
+
+/** Registers an option for deleting a workspace comment. */
+export function registerCommentDelete() {
+  const deleteOption: RegistryItem = {
+    displayText: () => Msg['REMOVE_COMMENT'],
+    preconditionFn(scope: Scope) {
+      return scope.comment?.isDeletable() ? 'enabled' : 'hidden';
+    },
+    callback(scope: Scope) {
+      eventUtils.setGroup(true);
+      scope.comment?.dispose();
+      eventUtils.setGroup(false);
+    },
+    scopeType: ContextMenuRegistry.ScopeType.COMMENT,
+    id: 'commentDelete',
+    weight: 6,
+  };
+  ContextMenuRegistry.registry.register(deleteOption);
+}
+
+/** Registers an option for duplicating a workspace comment. */
+export function registerCommentDuplicate() {
+  const duplicateOption: RegistryItem = {
+    displayText: () => Msg['DUPLICATE_COMMENT'],
+    preconditionFn(scope: Scope) {
+      return scope.comment?.isMovable() ? 'enabled' : 'hidden';
+    },
+    callback(scope: Scope) {
+      if (!scope.comment) return;
+      const data = scope.comment.toCopyData();
+      if (!data) return;
+      clipboard.paste(data, scope.comment.workspace);
+    },
+    scopeType: ContextMenuRegistry.ScopeType.COMMENT,
+    id: 'commentDuplicate',
+    weight: 1,
+  };
+  ContextMenuRegistry.registry.register(duplicateOption);
+}
+
+/** Registers an option for adding a workspace comment to the workspace. */
+export function registerCommentCreate() {
+  const createOption: RegistryItem = {
+    displayText: () => Msg['ADD_COMMENT'],
+    preconditionFn: () => 'enabled',
+    callback: (scope: Scope, e: PointerEvent) => {
+      const workspace = scope.workspace;
+      if (!workspace) return;
+      eventUtils.setGroup(true);
+      const comment = new RenderedWorkspaceComment(workspace);
+      comment.setText(Msg['WORKSPACE_COMMENT_DEFAULT_TEXT']);
+      comment.moveTo(
+        pixelsToWorkspaceCoords(
+          new Coordinate(e.clientX, e.clientY),
+          workspace,
+        ),
+      );
+      common.setSelected(comment);
+      eventUtils.setGroup(false);
+    },
+    scopeType: ContextMenuRegistry.ScopeType.WORKSPACE,
+    id: 'commentCreate',
+    weight: 8,
+  };
+  ContextMenuRegistry.registry.register(createOption);
+}
+
+/**
+ * Converts pixel coordinates (relative to the window) to workspace coordinates.
+ */
+function pixelsToWorkspaceCoords(
+  pixelCoord: Coordinate,
+  workspace: WorkspaceSvg,
+): Coordinate {
+  const injectionDiv = workspace.getInjectionDiv();
+  // Bounding rect coordinates are in client coordinates, meaning that they
+  // are in pixels relative to the upper left corner of the visible browser
+  // window.  These coordinates change when you scroll the browser window.
+  const boundingRect = injectionDiv.getBoundingClientRect();
+
+  // The client coordinates offset by the injection div's upper left corner.
+  const clientOffsetPixels = new Coordinate(
+    pixelCoord.x - boundingRect.left,
+    pixelCoord.y - boundingRect.top,
+  );
+
+  // The offset in pixels between the main workspace's origin and the upper
+  // left corner of the injection div.
+  const mainOffsetPixels = workspace.getOriginOffsetInPixels();
+
+  // The position of the new comment in pixels relative to the origin of the
+  // main workspace.
+  const finalOffset = Coordinate.difference(
+    clientOffsetPixels,
+    mainOffsetPixels,
+  );
+  // The position of the new comment in main workspace coordinates.
+  finalOffset.scale(1 / workspace.scale);
+  return finalOffset;
+}
+
+/** Registers all block-scoped context menu items. */
+function registerBlockOptions_() {
+  registerDuplicate();
+  registerComment();
+  registerInline();
+  registerCollapseExpandBlock();
+  registerDisable();
+  registerDelete();
+  registerHelp();
+}
+
+/** Registers all workspace comment related menu items. */
+export function registerCommentOptions() {
+  registerCommentDuplicate();
+  registerCommentDelete();
+  registerCommentCreate();
+}
+
+/**
+ * Registers all default context menu items. This should be called once per
+ * instance of ContextMenuRegistry.
+ *
+ * @internal
+ */
+export function registerDefaultOptions() {
+  registerWorkspaceOptions_();
+  registerBlockOptions_();
+}
+
+registerDefaultOptions();
diff --git a/core/contextmenu_registry.js b/core/contextmenu_registry.js
deleted file mode 100644
index 13a3164051f..00000000000
--- a/core/contextmenu_registry.js
+++ /dev/null
@@ -1,165 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Registry for context menu option items.
- * @author maribethb@google.com (Maribeth Bottorff)
- */
-'use strict';
-
-/**
- * @name Blockly.ContextMenuRegistry
- * @namespace
- */
-goog.provide('Blockly.ContextMenuRegistry');
-
-goog.require('Blockly.ContextMenuItems');
-
-/**
- * Class for the registry of context menu items. This is intended to be a singleton. You should
- * not create a new instance, and only access this class from Blockly.ContextMenuRegistry.registry.
- * @constructor
- */
-Blockly.ContextMenuRegistry = function() {
-
-  // Singleton instance should be registered once.
-  Blockly.ContextMenuRegistry.registry = this;
-
-  /**
-   * Registry of all registered RegistryItems, keyed by id.
-   * @type {!Object<string, Blockly.ContextMenuRegistry.RegistryItem>}
-   * @private
-   */
-  this.registry_ = {};
-  Blockly.ContextMenuItems.registerDefaultOptions();
-};
-
-/**
- * Where this menu item should be rendered. If the menu item should be rendered in multiple
- * scopes, e.g. on both a block and a workspace, it should be registered for each scope.
- * @enum {string}
- */
-Blockly.ContextMenuRegistry.ScopeType = {
-  BLOCK: 'block',
-  WORKSPACE: 'workspace',
-};
-
-/**
- * The actual workspace/block where the menu is being rendered. This is passed to callback and
- * displayText functions that depend on this information.
- * @typedef {{
- *    block: (Blockly.BlockSvg|undefined),
- *    workspace: (Blockly.WorkspaceSvg|undefined)
- * }}
- */
-Blockly.ContextMenuRegistry.Scope;
-
-/**
- * A menu item as entered in the registry.
- * @typedef {{
- *    callback: function(!Blockly.ContextMenuRegistry.Scope),
- *    scopeType: !Blockly.ContextMenuRegistry.ScopeType,
- *    displayText: ((function(!Blockly.ContextMenuRegistry.Scope):string)|string),
- *    preconditionFn: function(!Blockly.ContextMenuRegistry.Scope):string,
- *    weight: number,
- *    id: string
- * }}
-*/
-Blockly.ContextMenuRegistry.RegistryItem;
-
-/**
- * A menu item as presented to contextmenu.js.
- * @typedef {{
- *    text: string,
- *    enabled: boolean,
- *    callback: function(!Blockly.ContextMenuRegistry.Scope),
- *    scope: !Blockly.ContextMenuRegistry.Scope,
- *    weight: number
- * }}
- */
-Blockly.ContextMenuRegistry.ContextMenuOption;
-
-/**
- * Singleton instance of this class. All interactions with this class should be done on this object.
- * @type {?Blockly.ContextMenuRegistry}
- */
-Blockly.ContextMenuRegistry.registry = null;
-
-/**
- * Registers a RegistryItem.
- * @param {!Blockly.ContextMenuRegistry.RegistryItem} item Context menu item to register.
- * @throws {Error} if an item with the given id already exists.
- */
-Blockly.ContextMenuRegistry.prototype.register = function(item) {
-  if (this.registry_[item.id]) {
-    throw Error('Menu item with id "' + item.id + '" is already registered.');
-  }
-  this.registry_[item.id] = item;
-};
-
-/**
- * Unregisters a RegistryItem with the given id.
- * @param {string} id The id of the RegistryItem to remove.
- * @throws {Error} if an item with the given id does not exist.
- */
-Blockly.ContextMenuRegistry.prototype.unregister = function(id) {
-  if (this.registry_[id]) {
-    delete this.registry_[id];
-  } else {
-    throw new Error('Menu item with id "' + id + '" not found.');
-  }
-};
-
-/**
- * @param {string} id The id of the RegistryItem to get.
- * @returns {?Blockly.ContextMenuRegistry.RegistryItem} RegistryItem or null if not found
- */
-Blockly.ContextMenuRegistry.prototype.getItem = function(id) {
-  if (this.registry_[id]) {
-    return this.registry_[id];
-  }
-  return null;
-};
-
-/**
- * Gets the valid context menu options for the given scope type (e.g. block or workspace) and scope.
- * Blocks are only shown if the preconditionFn shows they should not be hidden.
- * @param {!Blockly.ContextMenuRegistry.ScopeType} scopeType Type of scope where menu should be
- *     shown (e.g. on a block or on a workspace)
- * @param {!Blockly.ContextMenuRegistry.Scope} scope Current scope of context menu
- *     (i.e., the exact workspace or block being clicked on)
- * @returns {!Array.<!Blockly.ContextMenuRegistry.ContextMenuOption>} the list of ContextMenuOptions
- */
-Blockly.ContextMenuRegistry.prototype.getContextMenuOptions = function(scopeType, scope) {
-  var menuOptions = [];
-  var registry = this.registry_;
-  Object.keys(registry).forEach(function(id) {
-    var item = registry[id];
-    if (scopeType == item.scopeType) {
-      var precondition = item.preconditionFn(scope);
-      if (precondition != 'hidden') {
-        var displayText = typeof item.displayText == 'function' ?
-                            item.displayText(scope) : item.displayText;
-        /** @type {!Blockly.ContextMenuRegistry.ContextMenuOption} */
-        var menuOption = {
-          text: displayText,
-          enabled: (precondition == 'enabled'),
-          callback: item.callback,
-          scope: scope,
-          weight: item.weight,
-        };
-        menuOptions.push(menuOption);
-      }
-    }
-  });
-  menuOptions.sort(function(a, b) {
-    return a.weight - b.weight;
-  });
-  return menuOptions;
-};
-
-// Creates and assigns the singleton instance.
-new Blockly.ContextMenuRegistry();
diff --git a/core/contextmenu_registry.ts b/core/contextmenu_registry.ts
new file mode 100644
index 00000000000..abbd0f9756d
--- /dev/null
+++ b/core/contextmenu_registry.ts
@@ -0,0 +1,194 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Registry for context menu option items.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.ContextMenuRegistry
+
+import type {BlockSvg} from './block_svg.js';
+import {RenderedWorkspaceComment} from './comments/rendered_workspace_comment.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * Class for the registry of context menu items. This is intended to be a
+ * singleton. You should not create a new instance, and only access this class
+ * from ContextMenuRegistry.registry.
+ */
+export class ContextMenuRegistry {
+  static registry: ContextMenuRegistry;
+  /** Registry of all registered RegistryItems, keyed by ID. */
+  private registry_ = new Map<string, RegistryItem>();
+
+  /** Resets the existing singleton instance of ContextMenuRegistry. */
+  constructor() {
+    this.reset();
+  }
+
+  /** Clear and recreate the registry. */
+  reset() {
+    this.registry_.clear();
+  }
+
+  /**
+   * Registers a RegistryItem.
+   *
+   * @param item Context menu item to register.
+   * @throws {Error} if an item with the given ID already exists.
+   */
+  register(item: RegistryItem) {
+    if (this.registry_.has(item.id)) {
+      throw Error('Menu item with ID "' + item.id + '" is already registered.');
+    }
+    this.registry_.set(item.id, item);
+  }
+
+  /**
+   * Unregisters a RegistryItem with the given ID.
+   *
+   * @param id The ID of the RegistryItem to remove.
+   * @throws {Error} if an item with the given ID does not exist.
+   */
+  unregister(id: string) {
+    if (!this.registry_.has(id)) {
+      throw new Error('Menu item with ID "' + id + '" not found.');
+    }
+    this.registry_.delete(id);
+  }
+
+  /**
+   * @param id The ID of the RegistryItem to get.
+   * @returns RegistryItem or null if not found
+   */
+  getItem(id: string): RegistryItem | null {
+    return this.registry_.get(id) ?? null;
+  }
+
+  /**
+   * Gets the valid context menu options for the given scope type (e.g. block or
+   * workspace) and scope. Blocks are only shown if the preconditionFn shows
+   * they should not be hidden.
+   *
+   * @param scopeType Type of scope where menu should be shown (e.g. on a block
+   *     or on a workspace)
+   * @param scope Current scope of context menu (i.e., the exact workspace or
+   *     block being clicked on)
+   * @returns the list of ContextMenuOptions
+   */
+  getContextMenuOptions(
+    scopeType: ScopeType,
+    scope: Scope,
+  ): ContextMenuOption[] {
+    const menuOptions: ContextMenuOption[] = [];
+    for (const item of this.registry_.values()) {
+      if (scopeType === item.scopeType) {
+        const precondition = item.preconditionFn(scope);
+        if (precondition !== 'hidden') {
+          const displayText =
+            typeof item.displayText === 'function'
+              ? item.displayText(scope)
+              : item.displayText;
+          const menuOption: ContextMenuOption = {
+            text: displayText,
+            enabled: precondition === 'enabled',
+            callback: item.callback,
+            scope,
+            weight: item.weight,
+          };
+          menuOptions.push(menuOption);
+        }
+      }
+    }
+    menuOptions.sort(function (a, b) {
+      return a.weight - b.weight;
+    });
+    return menuOptions;
+  }
+}
+
+export namespace ContextMenuRegistry {
+  /**
+   * Where this menu item should be rendered. If the menu item should be
+   * rendered in multiple scopes, e.g. on both a block and a workspace, it
+   * should be registered for each scope.
+   */
+  export enum ScopeType {
+    BLOCK = 'block',
+    WORKSPACE = 'workspace',
+    COMMENT = 'comment',
+  }
+
+  /**
+   * The actual workspace/block where the menu is being rendered. This is passed
+   * to callback and displayText functions that depend on this information.
+   */
+  export interface Scope {
+    block?: BlockSvg;
+    workspace?: WorkspaceSvg;
+    comment?: RenderedWorkspaceComment;
+  }
+
+  /**
+   * A menu item as entered in the registry.
+   */
+  export interface RegistryItem {
+    /**
+     * @param scope Object that provides a reference to the thing that had its
+     *     context menu opened.
+     * @param e The original event that triggered the context menu to open. Not
+     *     the event that triggered the click on the option.
+     */
+    callback: (scope: Scope, e: PointerEvent) => void;
+    scopeType: ScopeType;
+    displayText: ((p1: Scope) => string | HTMLElement) | string | HTMLElement;
+    preconditionFn: (p1: Scope) => string;
+    weight: number;
+    id: string;
+  }
+
+  /**
+   * A menu item as presented to contextmenu.js.
+   */
+  export interface ContextMenuOption {
+    text: string | HTMLElement;
+    enabled: boolean;
+    /**
+     * @param scope Object that provides a reference to the thing that had its
+     *     context menu opened.
+     * @param e The original event that triggered the context menu to open. Not
+     *     the event that triggered the click on the option.
+     */
+    callback: (scope: Scope, e: PointerEvent) => void;
+    scope: Scope;
+    weight: number;
+  }
+
+  /**
+   * A subset of ContextMenuOption corresponding to what was publicly
+   * documented.  ContextMenuOption should be preferred for new code.
+   */
+  export interface LegacyContextMenuOption {
+    text: string;
+    enabled: boolean;
+    callback: (p1: Scope) => void;
+  }
+
+  /**
+   * Singleton instance of this class. All interactions with this class should
+   * be done on this object.
+   */
+  ContextMenuRegistry.registry = new ContextMenuRegistry();
+}
+
+export type ScopeType = ContextMenuRegistry.ScopeType;
+export const ScopeType = ContextMenuRegistry.ScopeType;
+export type Scope = ContextMenuRegistry.Scope;
+export type RegistryItem = ContextMenuRegistry.RegistryItem;
+export type ContextMenuOption = ContextMenuRegistry.ContextMenuOption;
+export type LegacyContextMenuOption =
+  ContextMenuRegistry.LegacyContextMenuOption;
diff --git a/core/css.js b/core/css.js
deleted file mode 100644
index fb2124684bd..00000000000
--- a/core/css.js
+++ /dev/null
@@ -1,549 +0,0 @@
-/**
- * @license
- * Copyright 2013 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Inject Blockly's CSS synchronously.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.Css
- * @namespace
- */
-goog.provide('Blockly.Css');
-
-
-/**
- * Has CSS already been injected?
- * @type {boolean}
- * @private
- */
-Blockly.Css.injected_ = false;
-
-/**
- * Add some CSS to the blob that will be injected later.  Allows optional
- * components such as fields and the toolbox to store separate CSS.
- * The provided array of CSS will be destroyed by this function.
- * @param {!Array.<string>} cssArray Array of CSS strings.
- */
-Blockly.Css.register = function(cssArray) {
-  if (Blockly.Css.injected_) {
-    throw Error('CSS already injected');
-  }
-  // Concatenate cssArray onto Blockly.Css.CONTENT.
-  Array.prototype.push.apply(Blockly.Css.CONTENT, cssArray);
-  cssArray.length = 0;  // Garbage collect provided CSS content.
-};
-
-/**
- * Inject the CSS into the DOM.  This is preferable over using a regular CSS
- * file since:
- * a) It loads synchronously and doesn't force a redraw later.
- * b) It speeds up loading by not blocking on a separate HTTP transfer.
- * c) The CSS content may be made dynamic depending on init options.
- * @param {boolean} hasCss If false, don't inject CSS
- *     (providing CSS becomes the document's responsibility).
- * @param {string} pathToMedia Path from page to the Blockly media directory.
- */
-Blockly.Css.inject = function(hasCss, pathToMedia) {
-  // Only inject the CSS once.
-  if (Blockly.Css.injected_) {
-    return;
-  }
-  Blockly.Css.injected_ = true;
-  var text = Blockly.Css.CONTENT.join('\n');
-  Blockly.Css.CONTENT.length = 0;  // Garbage collect CSS content.
-  if (!hasCss) {
-    return;
-  }
-  // Strip off any trailing slash (either Unix or Windows).
-  var mediaPath = pathToMedia.replace(/[\\/]$/, '');
-  text = text.replace(/<<<PATH>>>/g, mediaPath);
-
-  // Inject CSS tag at start of head.
-  var cssNode = document.createElement('style');
-  cssNode.id = 'blockly-common-style';
-  var cssTextNode = document.createTextNode(text);
-  cssNode.appendChild(cssTextNode);
-  document.head.insertBefore(cssNode, document.head.firstChild);
-};
-
-/**
- * Array making up the CSS content for Blockly.
- */
-Blockly.Css.CONTENT = [
-  /* eslint-disable indent */
-  '.blocklySvg {',
-    'background-color: #fff;',
-    'outline: none;',
-    'overflow: hidden;',  /* IE overflows by default. */
-    'position: absolute;',
-    'display: block;',
-  '}',
-
-  '.blocklyWidgetDiv {',
-    'display: none;',
-    'position: absolute;',
-    'z-index: 99999;', /* big value for bootstrap3 compatibility */
-  '}',
-
-  '.injectionDiv {',
-    'height: 100%;',
-    'position: relative;',
-    'overflow: hidden;', /* So blocks in drag surface disappear at edges */
-    'touch-action: none;',
-  '}',
-
-  '.blocklyNonSelectable {',
-    'user-select: none;',
-    '-ms-user-select: none;',
-    '-webkit-user-select: none;',
-  '}',
-
-  '.blocklyWsDragSurface {',
-    'display: none;',
-    'position: absolute;',
-    'top: 0;',
-    'left: 0;',
-  '}',
-  /* Added as a separate rule with multiple classes to make it more specific
-     than a bootstrap rule that selects svg:root. See issue #1275 for context.
-  */
-  '.blocklyWsDragSurface.blocklyOverflowVisible {',
-    'overflow: visible;',
-  '}',
-
-  '.blocklyBlockDragSurface {',
-    'display: none;',
-    'position: absolute;',
-    'top: 0;',
-    'left: 0;',
-    'right: 0;',
-    'bottom: 0;',
-    'overflow: visible !important;',
-    'z-index: 50;', /* Display below toolbox, but above everything else. */
-  '}',
-
-  '.blocklyBlockCanvas.blocklyCanvasTransitioning,',
-  '.blocklyBubbleCanvas.blocklyCanvasTransitioning {',
-    'transition: transform .5s;',
-  '}',
-
-  '.blocklyTooltipDiv {',
-    'background-color: #ffffc7;',
-    'border: 1px solid #ddc;',
-    'box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);',
-    'color: #000;',
-    'display: none;',
-    'font: 9pt sans-serif;',
-    'opacity: .9;',
-    'padding: 2px;',
-    'position: absolute;',
-    'z-index: 100000;', /* big value for bootstrap3 compatibility */
-  '}',
-
-  '.blocklyDropDownDiv {',
-    'position: absolute;',
-    'left: 0;',
-    'top: 0;',
-    'z-index: 1000;',
-    'display: none;',
-    'border: 1px solid;',
-    'border-color: #dadce0;',
-    'background-color: #fff;',
-    'border-radius: 2px;',
-    'padding: 4px;',
-    'box-shadow: 0 0 3px 1px rgba(0,0,0,.3);',
-  '}',
-
-  '.blocklyDropDownDiv.blocklyFocused {',
-    'box-shadow: 0 0 6px 1px rgba(0,0,0,.3);',
-  '}',
-
-  '.blocklyDropDownContent {',
-    'max-height: 300px;', // @todo: spec for maximum height.
-    'overflow: auto;',
-    'overflow-x: hidden;',
-    'position: relative;',
-  '}',
-
-  '.blocklyDropDownArrow {',
-    'position: absolute;',
-    'left: 0;',
-    'top: 0;',
-    'width: 16px;',
-    'height: 16px;',
-    'z-index: -1;',
-    'background-color: inherit;',
-    'border-color: inherit;',
-  '}',
-
-  '.blocklyDropDownButton {',
-    'display: inline-block;',
-    'float: left;',
-    'padding: 0;',
-    'margin: 4px;',
-    'border-radius: 4px;',
-    'outline: none;',
-    'border: 1px solid;',
-    'transition: box-shadow .1s;',
-    'cursor: pointer;',
-  '}',
-
-  '.blocklyArrowTop {',
-    'border-top: 1px solid;',
-    'border-left: 1px solid;',
-    'border-top-left-radius: 4px;',
-    'border-color: inherit;',
-  '}',
-
-  '.blocklyArrowBottom {',
-    'border-bottom: 1px solid;',
-    'border-right: 1px solid;',
-    'border-bottom-right-radius: 4px;',
-    'border-color: inherit;',
-  '}',
-
-  '.blocklyResizeSE {',
-    'cursor: se-resize;',
-    'fill: #aaa;',
-  '}',
-
-  '.blocklyResizeSW {',
-    'cursor: sw-resize;',
-    'fill: #aaa;',
-  '}',
-
-  '.blocklyResizeLine {',
-    'stroke: #515A5A;',
-    'stroke-width: 1;',
-  '}',
-
-  '.blocklyHighlightedConnectionPath {',
-    'fill: none;',
-    'stroke: #fc3;',
-    'stroke-width: 4px;',
-  '}',
-
-  '.blocklyPathLight {',
-    'fill: none;',
-    'stroke-linecap: round;',
-    'stroke-width: 1;',
-  '}',
-
-  '.blocklySelected>.blocklyPathLight {',
-    'display: none;',
-  '}',
-
-  '.blocklyDraggable {',
-    /* backup for browsers (e.g. IE11) that don't support grab */
-    'cursor: url("<<<PATH>>>/handopen.cur"), auto;',
-    'cursor: grab;',
-    'cursor: -webkit-grab;',
-  '}',
-
-  '.blocklyDragging {',
-    /* backup for browsers (e.g. IE11) that don't support grabbing */
-    'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',
-    'cursor: grabbing;',
-    'cursor: -webkit-grabbing;',
-  '}',
-  /* Changes cursor on mouse down. Not effective in Firefox because of
-    https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
-  '.blocklyDraggable:active {',
-    /* backup for browsers (e.g. IE11) that don't support grabbing */
-    'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',
-    'cursor: grabbing;',
-    'cursor: -webkit-grabbing;',
-  '}',
-  /* Change the cursor on the whole drag surface in case the mouse gets
-     ahead of block during a drag. This way the cursor is still a closed hand.
-   */
-  '.blocklyBlockDragSurface .blocklyDraggable {',
-    /* backup for browsers (e.g. IE11) that don't support grabbing */
-    'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',
-    'cursor: grabbing;',
-    'cursor: -webkit-grabbing;',
-  '}',
-
-  '.blocklyDragging.blocklyDraggingDelete {',
-    'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',
-  '}',
-
-  '.blocklyDragging>.blocklyPath,',
-  '.blocklyDragging>.blocklyPathLight {',
-    'fill-opacity: .8;',
-    'stroke-opacity: .8;',
-  '}',
-
-  '.blocklyDragging>.blocklyPathDark {',
-    'display: none;',
-  '}',
-
-  '.blocklyDisabled>.blocklyPath {',
-    'fill-opacity: .5;',
-    'stroke-opacity: .5;',
-  '}',
-
-  '.blocklyDisabled>.blocklyPathLight,',
-  '.blocklyDisabled>.blocklyPathDark {',
-    'display: none;',
-  '}',
-
-  '.blocklyInsertionMarker>.blocklyPath,',
-  '.blocklyInsertionMarker>.blocklyPathLight,',
-  '.blocklyInsertionMarker>.blocklyPathDark {',
-    'fill-opacity: .2;',
-    'stroke: none;',
-  '}',
-
-  '.blocklyMultilineText {',
-    'font-family: monospace;',
-  '}',
-
-  '.blocklyNonEditableText>text {',
-    'pointer-events: none;',
-  '}',
-
-  '.blocklyFlyout {',
-    'position: absolute;',
-    'z-index: 20;',
-  '}',
-
-  '.blocklyText text {',
-    'cursor: default;',
-  '}',
-
-  /*
-    Don't allow users to select text.  It gets annoying when trying to
-    drag a block and selected text moves instead.
-  */
-  '.blocklySvg text,',
-  '.blocklyBlockDragSurface text {',
-    'user-select: none;',
-    '-ms-user-select: none;',
-    '-webkit-user-select: none;',
-    'cursor: inherit;',
-  '}',
-
-  '.blocklyHidden {',
-    'display: none;',
-  '}',
-
-  '.blocklyFieldDropdown:not(.blocklyHidden) {',
-    'display: block;',
-  '}',
-
-  '.blocklyIconGroup {',
-    'cursor: default;',
-  '}',
-
-  '.blocklyIconGroup:not(:hover),',
-  '.blocklyIconGroupReadonly {',
-    'opacity: .6;',
-  '}',
-
-  '.blocklyIconShape {',
-    'fill: #00f;',
-    'stroke: #fff;',
-    'stroke-width: 1px;',
-  '}',
-
-  '.blocklyIconSymbol {',
-    'fill: #fff;',
-  '}',
-
-  '.blocklyMinimalBody {',
-    'margin: 0;',
-    'padding: 0;',
-  '}',
-
-  '.blocklyHtmlInput {',
-    'border: none;',
-    'border-radius: 4px;',
-    'height: 100%;',
-    'margin: 0;',
-    'outline: none;',
-    'padding: 0;',
-    'width: 100%;',
-    'text-align: center;',
-    'display: block;',
-    'box-sizing: border-box;',
-  '}',
-
-  /* Edge and IE introduce a close icon when the input value is longer than a
-     certain length. This affects our sizing calculations of the text input.
-     Hiding the close icon to avoid that. */
-  '.blocklyHtmlInput::-ms-clear {',
-    'display: none;',
-  '}',
-
-  '.blocklyMainBackground {',
-    'stroke-width: 1;',
-    'stroke: #c6c6c6;',  /* Equates to #ddd due to border being off-pixel. */
-  '}',
-
-  '.blocklyMutatorBackground {',
-    'fill: #fff;',
-    'stroke: #ddd;',
-    'stroke-width: 1;',
-  '}',
-
-  '.blocklyFlyoutBackground {',
-    'fill: #ddd;',
-    'fill-opacity: .8;',
-  '}',
-
-  '.blocklyMainWorkspaceScrollbar {',
-    'z-index: 20;',
-  '}',
-
-  '.blocklyFlyoutScrollbar {',
-    'z-index: 30;',
-  '}',
-
-  '.blocklyScrollbarHorizontal,',
-  '.blocklyScrollbarVertical {',
-    'position: absolute;',
-    'outline: none;',
-  '}',
-
-  '.blocklyScrollbarBackground {',
-    'opacity: 0;',
-  '}',
-
-  '.blocklyScrollbarHandle {',
-    'fill: #ccc;',
-  '}',
-
-  '.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,',
-  '.blocklyScrollbarHandle:hover {',
-    'fill: #bbb;',
-  '}',
-
-  /* Darken flyout scrollbars due to being on a grey background. */
-  /* By contrast, workspace scrollbars are on a white background. */
-  '.blocklyFlyout .blocklyScrollbarHandle {',
-    'fill: #bbb;',
-  '}',
-
-  '.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,',
-  '.blocklyFlyout .blocklyScrollbarHandle:hover {',
-    'fill: #aaa;',
-  '}',
-
-  '.blocklyInvalidInput {',
-    'background: #faa;',
-  '}',
-
-  '.blocklyVerticalMarker {',
-    'stroke-width: 3px;',
-    'fill: rgba(255,255,255,.5);',
-    'pointer-events: none;',
-  '}',
-
-  '.blocklyComputeCanvas {',
-    'position: absolute;',
-    'width: 0;',
-    'height: 0;',
-  '}',
-
-  '.blocklyNoPointerEvents {',
-    'pointer-events: none;',
-  '}',
-
-  '.blocklyContextMenu {',
-    'border-radius: 4px;',
-    'max-height: 100%;',
-  '}',
-
-  '.blocklyDropdownMenu {',
-    'border-radius: 2px;',
-    'padding: 0 !important;',
-  '}',
-
-  '.blocklyDropdownMenu .blocklyMenuItem {',
-    /* 28px on the left for icon or checkbox. */
-    'padding-left: 28px;',
-  '}',
-
-  /* BiDi override for the resting state. */
-  '.blocklyDropdownMenu .blocklyMenuItemRtl {',
-     /* Flip left/right padding for BiDi. */
-    'padding-left: 5px;',
-    'padding-right: 28px;',
-  '}',
-
-  '.blocklyWidgetDiv .blocklyMenu {',
-    'background: #fff;',
-    'border: 1px solid transparent;',
-    'box-shadow: 0 0 3px 1px rgba(0,0,0,.3);',
-    'font: normal 13px Arial, sans-serif;',
-    'margin: 0;',
-    'outline: none;',
-    'padding: 4px 0;',
-    'position: absolute;',
-    'overflow-y: auto;',
-    'overflow-x: hidden;',
-    'max-height: 100%;',
-    'z-index: 20000;',  /* Arbitrary, but some apps depend on it... */
-  '}',
-
-  '.blocklyWidgetDiv .blocklyMenu.blocklyFocused {',
-    'box-shadow: 0 0 6px 1px rgba(0,0,0,.3);',
-  '}',
-
-  '.blocklyDropDownDiv .blocklyMenu {',
-    'font: normal 13px "Helvetica Neue", Helvetica, sans-serif;',
-    'outline: none;',
-    'z-index: 20000;',  /* Arbitrary, but some apps depend on it... */
-  '}',
-
-  /* State: resting. */
-  '.blocklyMenuItem {',
-    'border: none;',
-    'color: #000;',
-    'cursor: pointer;',
-    'list-style: none;',
-    'margin: 0;',
-     /* 7em on the right for shortcut. */
-    'min-width: 7em;',
-    'padding: 6px 15px;',
-    'white-space: nowrap;',
-  '}',
-
-  /* State: disabled. */
-  '.blocklyMenuItemDisabled {',
-    'color: #ccc;',
-    'cursor: inherit;',
-  '}',
-
-  /* State: hover. */
-  '.blocklyMenuItemHighlight {',
-    'background-color: rgba(0,0,0,.1);',
-  '}',
-
-  /* State: selected/checked. */
-  '.blocklyMenuItemCheckbox {',
-    'height: 16px;',
-    'position: absolute;',
-    'width: 16px;',
-  '}',
-
-  '.blocklyMenuItemSelected .blocklyMenuItemCheckbox {',
-    'background: url(<<<PATH>>>/sprites.png) no-repeat -48px -16px;',
-    'float: left;',
-    'margin-left: -24px;',
-    'position: static;', /* Scroll with the menu. */
-  '}',
-
-  '.blocklyMenuItemRtl .blocklyMenuItemCheckbox {',
-    'float: right;',
-    'margin-right: -24px;',
-  '}',
-  /* eslint-enable indent */
-];
diff --git a/core/css.ts b/core/css.ts
new file mode 100644
index 00000000000..20c5730935e
--- /dev/null
+++ b/core/css.ts
@@ -0,0 +1,514 @@
+/**
+ * @license
+ * Copyright 2013 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Css
+
+/** Has CSS already been injected? */
+let injected = false;
+
+/**
+ * Add some CSS to the blob that will be injected later.  Allows optional
+ * components such as fields and the toolbox to store separate CSS.
+ *
+ * @param cssContent Multiline CSS string or an array of single lines of CSS.
+ */
+export function register(cssContent: string) {
+  if (injected) {
+    throw Error('CSS already injected');
+  }
+  content += '\n' + cssContent;
+}
+
+/**
+ * Inject the CSS into the DOM.  This is preferable over using a regular CSS
+ * file since:
+ * a) It loads synchronously and doesn't force a redraw later.
+ * b) It speeds up loading by not blocking on a separate HTTP transfer.
+ * c) The CSS content may be made dynamic depending on init options.
+ *
+ * @param hasCss If false, don't inject CSS (providing CSS becomes the
+ *     document's responsibility).
+ * @param pathToMedia Path from page to the Blockly media directory.
+ */
+export function inject(hasCss: boolean, pathToMedia: string) {
+  // Only inject the CSS once.
+  if (injected) {
+    return;
+  }
+  injected = true;
+  if (!hasCss) {
+    return;
+  }
+  // Strip off any trailing slash (either Unix or Windows).
+  const mediaPath = pathToMedia.replace(/[\\/]$/, '');
+  const cssContent = content.replace(/<<<PATH>>>/g, mediaPath);
+  // Cleanup the collected css content after injecting it to the DOM.
+  content = '';
+
+  // Inject CSS tag at start of head.
+  const cssNode = document.createElement('style');
+  cssNode.id = 'blockly-common-style';
+  const cssTextNode = document.createTextNode(cssContent);
+  cssNode.appendChild(cssTextNode);
+  document.head.insertBefore(cssNode, document.head.firstChild);
+}
+
+/**
+ * The CSS content for Blockly.
+ */
+let content = `
+.blocklySvg {
+  background-color: #fff;
+  outline: none;
+  overflow: hidden;  /* IE overflows by default. */
+  position: absolute;
+  display: block;
+}
+
+.blocklyWidgetDiv {
+  display: none;
+  position: absolute;
+  z-index: 99999;  /* big value for bootstrap3 compatibility */
+}
+
+.injectionDiv {
+  height: 100%;
+  position: relative;
+  overflow: hidden;  /* So blocks in drag surface disappear at edges */
+  touch-action: none;
+}
+
+.blocklyNonSelectable {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+}
+
+.blocklyBlockCanvas.blocklyCanvasTransitioning,
+.blocklyBubbleCanvas.blocklyCanvasTransitioning {
+  transition: transform .5s;
+}
+
+.blocklyTooltipDiv {
+  background-color: #ffffc7;
+  border: 1px solid #ddc;
+  box-shadow: 4px 4px 20px 1px rgba(0,0,0,.15);
+  color: #000;
+  display: none;
+  font: 9pt sans-serif;
+  opacity: .9;
+  padding: 2px;
+  position: absolute;
+  z-index: 100000;  /* big value for bootstrap3 compatibility */
+}
+
+.blocklyDropDownDiv {
+  position: absolute;
+  left: 0;
+  top: 0;
+  z-index: 1000;
+  display: none;
+  border: 1px solid;
+  border-color: #dadce0;
+  background-color: #fff;
+  border-radius: 2px;
+  padding: 4px;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownContent {
+  max-height: 300px;  /* @todo: spec for maximum height. */
+  overflow: auto;
+  overflow-x: hidden;
+  position: relative;
+}
+
+.blocklyDropDownArrow {
+  position: absolute;
+  left: 0;
+  top: 0;
+  width: 16px;
+  height: 16px;
+  z-index: -1;
+  background-color: inherit;
+  border-color: inherit;
+}
+
+.blocklyDropDownButton {
+  display: inline-block;
+  float: left;
+  padding: 0;
+  margin: 4px;
+  border-radius: 4px;
+  outline: none;
+  border: 1px solid;
+  transition: box-shadow .1s;
+  cursor: pointer;
+}
+
+.blocklyArrowTop {
+  border-top: 1px solid;
+  border-left: 1px solid;
+  border-top-left-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyArrowBottom {
+  border-bottom: 1px solid;
+  border-right: 1px solid;
+  border-bottom-right-radius: 4px;
+  border-color: inherit;
+}
+
+.blocklyResizeSE {
+  cursor: se-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeSW {
+  cursor: sw-resize;
+  fill: #aaa;
+}
+
+.blocklyResizeLine {
+  stroke: #515A5A;
+  stroke-width: 1;
+}
+
+.blocklyHighlightedConnectionPath {
+  fill: none;
+  stroke: #fc3;
+  stroke-width: 4px;
+}
+
+.blocklyPathLight {
+  fill: none;
+  stroke-linecap: round;
+  stroke-width: 1;
+}
+
+.blocklySelected>.blocklyPathLight {
+  display: none;
+}
+
+.blocklyDraggable {
+  cursor: grab;
+  cursor: -webkit-grab;
+}
+
+.blocklyDragging {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+  /* Drag surface disables events to not block the toolbox, so we have to
+   * reenable them here for the cursor values to work. */
+  pointer-events: auto;
+}
+
+  /* Changes cursor on mouse down. Not effective in Firefox because of
+     https://bugzilla.mozilla.org/show_bug.cgi?id=771241 */
+.blocklyDraggable:active {
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+.blocklyDragging.blocklyDraggingDelete {
+  cursor: url("<<<PATH>>>/handdelete.cur"), auto;
+}
+
+.blocklyDragging>.blocklyPath,
+.blocklyDragging>.blocklyPathLight {
+  fill-opacity: .8;
+  stroke-opacity: .8;
+}
+
+.blocklyDragging>.blocklyPathDark {
+  display: none;
+}
+
+.blocklyDisabled>.blocklyPath {
+  fill-opacity: .5;
+  stroke-opacity: .5;
+}
+
+.blocklyDisabled>.blocklyPathLight,
+.blocklyDisabled>.blocklyPathDark {
+  display: none;
+}
+
+.blocklyInsertionMarker>.blocklyPath,
+.blocklyInsertionMarker>.blocklyPathLight,
+.blocklyInsertionMarker>.blocklyPathDark {
+  fill-opacity: .2;
+  stroke: none;
+}
+
+.blocklyMultilineText {
+  font-family: monospace;
+}
+
+.blocklyNonEditableText>text {
+  pointer-events: none;
+}
+
+.blocklyFlyout {
+  position: absolute;
+  z-index: 20;
+}
+
+.blocklyText text {
+  cursor: default;
+}
+
+/*
+  Don't allow users to select text.  It gets annoying when trying to
+  drag a block and selected text moves instead.
+*/
+.blocklySvg text {
+  user-select: none;
+  -ms-user-select: none;
+  -webkit-user-select: none;
+  cursor: inherit;
+}
+
+.blocklyHidden {
+  display: none;
+}
+
+.blocklyFieldDropdown:not(.blocklyHidden) {
+  display: block;
+}
+
+.blocklyIconGroup {
+  cursor: default;
+}
+
+.blocklyIconGroup:not(:hover),
+.blocklyIconGroupReadonly {
+  opacity: .6;
+}
+
+.blocklyIconShape {
+  fill: #00f;
+  stroke: #fff;
+  stroke-width: 1px;
+}
+
+.blocklyIconSymbol {
+  fill: #fff;
+}
+
+.blocklyMinimalBody {
+  margin: 0;
+  padding: 0;
+  height: 100%;
+}
+
+.blocklyHtmlInput {
+  border: none;
+  border-radius: 4px;
+  height: 100%;
+  margin: 0;
+  outline: none;
+  padding: 0;
+  width: 100%;
+  text-align: center;
+  display: block;
+  box-sizing: border-box;
+}
+
+/* Remove the increase and decrease arrows on the field number editor */
+input.blocklyHtmlInput[type=number]::-webkit-inner-spin-button,
+input.blocklyHtmlInput[type=number]::-webkit-outer-spin-button {
+  -webkit-appearance: none;
+  margin: 0;
+}
+
+input[type=number] {
+  -moz-appearance: textfield;
+}
+
+.blocklyMainBackground {
+  stroke-width: 1;
+  stroke: #c6c6c6;  /* Equates to #ddd due to border being off-pixel. */
+}
+
+.blocklyMutatorBackground {
+  fill: #fff;
+  stroke: #ddd;
+  stroke-width: 1;
+}
+
+.blocklyFlyoutBackground {
+  fill: #ddd;
+  fill-opacity: .8;
+}
+
+.blocklyMainWorkspaceScrollbar {
+  z-index: 20;
+}
+
+.blocklyFlyoutScrollbar {
+  z-index: 30;
+}
+
+.blocklyScrollbarHorizontal,
+.blocklyScrollbarVertical {
+  position: absolute;
+  outline: none;
+}
+
+.blocklyScrollbarBackground {
+  opacity: 0;
+}
+
+.blocklyScrollbarHandle {
+  fill: #ccc;
+}
+
+.blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyScrollbarHandle:hover {
+  fill: #bbb;
+}
+
+/* Darken flyout scrollbars due to being on a grey background. */
+/* By contrast, workspace scrollbars are on a white background. */
+.blocklyFlyout .blocklyScrollbarHandle {
+  fill: #bbb;
+}
+
+.blocklyFlyout .blocklyScrollbarBackground:hover+.blocklyScrollbarHandle,
+.blocklyFlyout .blocklyScrollbarHandle:hover {
+  fill: #aaa;
+}
+
+.blocklyInvalidInput {
+  background: #faa;
+}
+
+.blocklyVerticalMarker {
+  stroke-width: 3px;
+  fill: rgba(255,255,255,.5);
+  pointer-events: none;
+}
+
+.blocklyComputeCanvas {
+  position: absolute;
+  width: 0;
+  height: 0;
+}
+
+.blocklyNoPointerEvents {
+  pointer-events: none;
+}
+
+.blocklyContextMenu {
+  border-radius: 4px;
+  max-height: 100%;
+}
+
+.blocklyDropdownMenu {
+  border-radius: 2px;
+  padding: 0 !important;
+}
+
+.blocklyDropdownMenu .blocklyMenuItem {
+  /* 28px on the left for icon or checkbox. */
+  padding-left: 28px;
+}
+
+/* BiDi override for the resting state. */
+.blocklyDropdownMenu .blocklyMenuItemRtl {
+  /* Flip left/right padding for BiDi. */
+  padding-left: 5px;
+  padding-right: 28px;
+}
+
+.blocklyWidgetDiv .blocklyMenu {
+  background: #fff;
+  border: 1px solid transparent;
+  box-shadow: 0 0 3px 1px rgba(0,0,0,.3);
+  font: normal 13px Arial, sans-serif;
+  margin: 0;
+  outline: none;
+  padding: 4px 0;
+  position: absolute;
+  overflow-y: auto;
+  overflow-x: hidden;
+  max-height: 100%;
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+.blocklyWidgetDiv .blocklyMenu.blocklyFocused {
+  box-shadow: 0 0 6px 1px rgba(0,0,0,.3);
+}
+
+.blocklyDropDownDiv .blocklyMenu {
+  background: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  border: inherit;  /* Compatibility with gapi, reset from goog-menu */
+  font: normal 13px "Helvetica Neue", Helvetica, sans-serif;
+  outline: none;
+  position: relative;  /* Compatibility with gapi, reset from goog-menu */
+  z-index: 20000;  /* Arbitrary, but some apps depend on it... */
+}
+
+/* State: resting. */
+.blocklyMenuItem {
+  border: none;
+  color: #000;
+  cursor: pointer;
+  list-style: none;
+  margin: 0;
+  /* 7em on the right for shortcut. */
+  min-width: 7em;
+  padding: 6px 15px;
+  white-space: nowrap;
+}
+
+/* State: disabled. */
+.blocklyMenuItemDisabled {
+  color: #ccc;
+  cursor: inherit;
+}
+
+/* State: hover. */
+.blocklyMenuItemHighlight {
+  background-color: rgba(0,0,0,.1);
+}
+
+/* State: selected/checked. */
+.blocklyMenuItemCheckbox {
+  height: 16px;
+  position: absolute;
+  width: 16px;
+}
+
+.blocklyMenuItemSelected .blocklyMenuItemCheckbox {
+  background: url(<<<PATH>>>/sprites.png) no-repeat -48px -16px;
+  float: left;
+  margin-left: -24px;
+  position: static;  /* Scroll with the menu. */
+}
+
+.blocklyMenuItemRtl .blocklyMenuItemCheckbox {
+  float: right;
+  margin-right: -24px;
+}
+
+.blocklyBlockDragSurface, .blocklyAnimationLayer {
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  overflow: visible !important;
+  z-index: 80;
+  pointer-events: none;
+}
+`;
diff --git a/core/delete_area.ts b/core/delete_area.ts
new file mode 100644
index 00000000000..4967927c42c
--- /dev/null
+++ b/core/delete_area.ts
@@ -0,0 +1,77 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * The abstract class for a component that can delete a block or
+ * bubble that is dropped on top of it.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.DeleteArea
+
+import {BlockSvg} from './block_svg.js';
+import {DragTarget} from './drag_target.js';
+import type {IDeleteArea} from './interfaces/i_delete_area.js';
+import type {IDraggable} from './interfaces/i_draggable.js';
+import {isDeletable} from './interfaces/i_deletable.js';
+
+/**
+ * Abstract class for a component that can delete a block or bubble that is
+ * dropped on top of it.
+ */
+export class DeleteArea extends DragTarget implements IDeleteArea {
+  /**
+   * Whether the last block or bubble dragged over this delete area would be
+   * deleted if dropped on this component.
+   * This property is not updated after the block or bubble is deleted.
+   */
+  protected wouldDelete_ = false;
+
+  /**
+   * The unique id for this component that is used to register with the
+   * ComponentManager.
+   */
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  override id!: string;
+
+  /**
+   * Constructor for DeleteArea. Should not be called directly, only by a
+   * subclass.
+   */
+  constructor() {
+    super();
+  }
+
+  /**
+   * Returns whether the provided block or bubble would be deleted if dropped on
+   * this area.
+   * This method should check if the element is deletable and is always called
+   * before onDragEnter/onDragOver/onDragExit.
+   *
+   * @param element The block or bubble currently being dragged.
+   * @returns Whether the element provided would be deleted if dropped on this
+   *     area.
+   */
+  wouldDelete(element: IDraggable): boolean {
+    if (element instanceof BlockSvg) {
+      const block = element;
+      const couldDeleteBlock = !block.getParent() && block.isDeletable();
+      this.updateWouldDelete_(couldDeleteBlock);
+    } else {
+      this.updateWouldDelete_(isDeletable(element) && element.isDeletable());
+    }
+    return this.wouldDelete_;
+  }
+
+  /**
+   * Updates the internal wouldDelete_ state.
+   *
+   * @param wouldDelete The new value for the wouldDelete state.
+   */
+  protected updateWouldDelete_(wouldDelete: boolean) {
+    this.wouldDelete_ = wouldDelete;
+  }
+}
diff --git a/core/dialog.ts b/core/dialog.ts
new file mode 100644
index 00000000000..7e21129855c
--- /dev/null
+++ b/core/dialog.ts
@@ -0,0 +1,121 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.dialog
+
+let alertImplementation = function (
+  message: string,
+  opt_callback?: () => void,
+) {
+  window.alert(message);
+  if (opt_callback) {
+    opt_callback();
+  }
+};
+
+let confirmImplementation = function (
+  message: string,
+  callback: (result: boolean) => void,
+) {
+  callback(window.confirm(message));
+};
+
+let promptImplementation = function (
+  message: string,
+  defaultValue: string,
+  callback: (result: string | null) => void,
+) {
+  callback(window.prompt(message, defaultValue));
+};
+
+/**
+ * Wrapper to window.alert() that app developers may override via setAlert to
+ * provide alternatives to the modal browser window.
+ *
+ * @param message The message to display to the user.
+ * @param opt_callback The callback when the alert is dismissed.
+ */
+export function alert(message: string, opt_callback?: () => void) {
+  alertImplementation(message, opt_callback);
+}
+
+/**
+ * Sets the function to be run when Blockly.dialog.alert() is called.
+ *
+ * @param alertFunction The function to be run.
+ * @see Blockly.dialog.alert
+ */
+export function setAlert(alertFunction: (p1: string, p2?: () => void) => void) {
+  alertImplementation = alertFunction;
+}
+
+/**
+ * Wrapper to window.confirm() that app developers may override via setConfirm
+ * to provide alternatives to the modal browser window.
+ *
+ * @param message The message to display to the user.
+ * @param callback The callback for handling user response.
+ */
+export function confirm(message: string, callback: (p1: boolean) => void) {
+  TEST_ONLY.confirmInternal(message, callback);
+}
+
+/**
+ * Private version of confirm for stubbing in tests.
+ */
+function confirmInternal(message: string, callback: (p1: boolean) => void) {
+  confirmImplementation(message, callback);
+}
+
+/**
+ * Sets the function to be run when Blockly.dialog.confirm() is called.
+ *
+ * @param confirmFunction The function to be run.
+ * @see Blockly.dialog.confirm
+ */
+export function setConfirm(
+  confirmFunction: (p1: string, p2: (p1: boolean) => void) => void,
+) {
+  confirmImplementation = confirmFunction;
+}
+
+/**
+ * Wrapper to window.prompt() that app developers may override via setPrompt to
+ * provide alternatives to the modal browser window. Built-in browser prompts
+ * are often used for better text input experience on mobile device. We strongly
+ * recommend testing mobile when overriding this.
+ *
+ * @param message The message to display to the user.
+ * @param defaultValue The value to initialize the prompt with.
+ * @param callback The callback for handling user response.
+ */
+export function prompt(
+  message: string,
+  defaultValue: string,
+  callback: (p1: string | null) => void,
+) {
+  promptImplementation(message, defaultValue, callback);
+}
+
+/**
+ * Sets the function to be run when Blockly.dialog.prompt() is called.
+ *
+ * @param promptFunction The function to be run.
+ * @see Blockly.dialog.prompt
+ */
+export function setPrompt(
+  promptFunction: (
+    p1: string,
+    p2: string,
+    p3: (p1: string | null) => void,
+  ) => void,
+) {
+  promptImplementation = promptFunction;
+}
+
+export const TEST_ONLY = {
+  confirmInternal,
+};
diff --git a/core/drag_target.ts b/core/drag_target.ts
new file mode 100644
index 00000000000..e973f2dd1c3
--- /dev/null
+++ b/core/drag_target.ts
@@ -0,0 +1,97 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * The abstract class for a component with custom behaviour when a
+ * block or bubble is dragged over or dropped on top of it.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.DragTarget
+
+import type {IDragTarget} from './interfaces/i_drag_target.js';
+import type {IDraggable} from './interfaces/i_draggable.js';
+import type {Rect} from './utils/rect.js';
+
+/**
+ * Abstract class for a component with custom behaviour when a block or bubble
+ * is dragged over or dropped on top of it.
+ */
+export class DragTarget implements IDragTarget {
+  /**
+   * The unique id for this component that is used to register with the
+   * ComponentManager.
+   */
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  id!: string;
+
+  /**
+   * Constructor for DragTarget. It exists to add the id property and should not
+   * be called directly, only by a subclass.
+   */
+  constructor() {}
+
+  /**
+   * Handles when a cursor with a block or bubble enters this drag target.
+   *
+   * @param _dragElement The block or bubble currently being dragged.
+   */
+  onDragEnter(_dragElement: IDraggable) {
+    // no-op
+  }
+
+  /**
+   * Handles when a cursor with a block or bubble is dragged over this drag
+   * target.
+   *
+   * @param _dragElement The block or bubble currently being dragged.
+   */
+  onDragOver(_dragElement: IDraggable) {
+    // no-op
+  }
+
+  /**
+   * Handles when a cursor with a block or bubble exits this drag target.
+   *
+   * @param _dragElement The block or bubble currently being dragged.
+   */
+  onDragExit(_dragElement: IDraggable) {
+    // no-op
+  }
+  /**
+   * Handles when a block or bubble is dropped on this component.
+   * Should not handle delete here.
+   *
+   * @param _dragElement The block or bubble currently being dragged.
+   */
+  onDrop(_dragElement: IDraggable) {
+    // no-op
+  }
+
+  /**
+   * Returns the bounding rectangle of the drag target area in pixel units
+   * relative to the Blockly injection div.
+   *
+   * @returns The component's bounding box. Null if drag target area should be
+   *     ignored.
+   */
+  getClientRect(): Rect | null {
+    return null;
+  }
+
+  /**
+   * Returns whether the provided block or bubble should not be moved after
+   * being dropped on this component. If true, the element will return to where
+   * it was when the drag started.
+   *
+   * @param _dragElement The block or bubble currently being dragged.
+   * @returns Whether the block or bubble provided should be returned to drag
+   *     start.
+   */
+  shouldPreventMove(_dragElement: IDraggable): boolean {
+    return false;
+  }
+}
diff --git a/core/dragging.ts b/core/dragging.ts
new file mode 100644
index 00000000000..a7e46fc27da
--- /dev/null
+++ b/core/dragging.ts
@@ -0,0 +1,12 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {Dragger} from './dragging/dragger.js';
+import {BlockDragStrategy} from './dragging/block_drag_strategy.js';
+import {BubbleDragStrategy} from './dragging/bubble_drag_strategy.js';
+import {CommentDragStrategy} from './dragging/comment_drag_strategy.js';
+
+export {Dragger, BlockDragStrategy, BubbleDragStrategy, CommentDragStrategy};
diff --git a/core/dragging/block_drag_strategy.ts b/core/dragging/block_drag_strategy.ts
new file mode 100644
index 00000000000..dc136d814c9
--- /dev/null
+++ b/core/dragging/block_drag_strategy.ts
@@ -0,0 +1,454 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {WorkspaceSvg} from '../workspace_svg.js';
+import {IDragStrategy} from '../interfaces/i_draggable.js';
+import {Coordinate} from '../utils.js';
+import * as eventUtils from '../events/utils.js';
+import {BlockSvg} from '../block_svg.js';
+import {RenderedConnection} from '../rendered_connection.js';
+import * as dom from '../utils/dom.js';
+import * as blockAnimation from '../block_animations.js';
+import {ConnectionType} from '../connection_type.js';
+import * as bumpObjects from '../bump_objects.js';
+import * as registry from '../registry.js';
+import {IConnectionPreviewer} from '../interfaces/i_connection_previewer.js';
+import {Connection} from '../connection.js';
+import type {Block} from '../block.js';
+import {config} from '../config.js';
+import type {BlockMove} from '../events/events_block_move.js';
+import {finishQueuedRenders} from '../render_management.js';
+import * as layers from '../layers.js';
+
+/** Represents a nearby valid connection. */
+interface ConnectionCandidate {
+  /** A connection on the dragging stack that is compatible with neighbour. */
+  local: RenderedConnection;
+
+  /** A nearby connection that is compatible with local. */
+  neighbour: RenderedConnection;
+
+  /** The distance between the local connection and the neighbour connection. */
+  distance: number;
+}
+
+export class BlockDragStrategy implements IDragStrategy {
+  private workspace: WorkspaceSvg;
+
+  /** The parent block at the start of the drag. */
+  private startParentConn: RenderedConnection | null = null;
+
+  /**
+   * The child block at the start of the drag. Only gets set if
+   * `healStack` is true.
+   */
+  private startChildConn: RenderedConnection | null = null;
+
+  private startLoc: Coordinate | null = null;
+
+  private connectionCandidate: ConnectionCandidate | null = null;
+
+  private connectionPreviewer: IConnectionPreviewer | null = null;
+
+  private dragging = false;
+
+  /**
+   * If this is a shadow block, the offset between this block and the parent
+   * block, to add to the drag location. In workspace units.
+   */
+  private dragOffset = new Coordinate(0, 0);
+
+  constructor(private block: BlockSvg) {
+    this.workspace = block.workspace;
+  }
+
+  /** Returns true if the block is currently movable. False otherwise. */
+  isMovable(): boolean {
+    if (this.block.isShadow()) {
+      return this.block.getParent()?.isMovable() ?? false;
+    }
+
+    return (
+      this.block.isOwnMovable() &&
+      !this.block.isDeadOrDying() &&
+      !this.workspace.options.readOnly &&
+      // We never drag blocks in the flyout, only create new blocks that are
+      // dragged.
+      !this.block.isInFlyout
+    );
+  }
+
+  /**
+   * Handles any setup for starting the drag, including disconnecting the block
+   * from any parent blocks.
+   */
+  startDrag(e?: PointerEvent): void {
+    if (this.block.isShadow()) {
+      this.startDraggingShadow(e);
+      return;
+    }
+
+    this.dragging = true;
+    if (!eventUtils.getGroup()) {
+      eventUtils.setGroup(true);
+    }
+    this.fireDragStartEvent();
+
+    this.startLoc = this.block.getRelativeToSurfaceXY();
+
+    this.connectionCandidate = null;
+    const previewerConstructor = registry.getClassFromOptions(
+      registry.Type.CONNECTION_PREVIEWER,
+      this.workspace.options,
+    );
+    this.connectionPreviewer = new previewerConstructor!(this.block);
+
+    // During a drag there may be a lot of rerenders, but not field changes.
+    // Turn the cache on so we don't do spurious remeasures during the drag.
+    dom.startTextWidthCache();
+    this.workspace.setResizesEnabled(false);
+    blockAnimation.disconnectUiStop();
+
+    const healStack = !!e && (e.altKey || e.ctrlKey || e.metaKey);
+
+    if (this.shouldDisconnect(healStack)) {
+      this.disconnectBlock(healStack);
+    }
+    this.block.setDragging(true);
+    this.workspace.getLayerManager()?.moveToDragLayer(this.block);
+  }
+
+  /** Starts a drag on a shadow, recording the drag offset. */
+  private startDraggingShadow(e?: PointerEvent) {
+    const parent = this.block.getParent();
+    if (!parent) {
+      throw new Error(
+        'Tried to drag a shadow block with no parent. ' +
+          'Shadow blocks should always have parents.',
+      );
+    }
+    this.dragOffset = Coordinate.difference(
+      parent.getRelativeToSurfaceXY(),
+      this.block.getRelativeToSurfaceXY(),
+    );
+    parent.startDrag(e);
+  }
+
+  /**
+   * Whether or not we should disconnect the block when a drag is started.
+   *
+   * @param healStack Whether or not to heal the stack after disconnecting.
+   * @returns True to disconnect the block, false otherwise.
+   */
+  private shouldDisconnect(healStack: boolean): boolean {
+    return !!(
+      this.block.getParent() ||
+      (healStack &&
+        this.block.nextConnection &&
+        this.block.nextConnection.targetBlock())
+    );
+  }
+
+  /**
+   * Disconnects the block from any parents. If `healStack` is true and this is
+   * a stack block, we also disconnect from any next blocks and attempt to
+   * attach them to any parent.
+   *
+   * @param healStack Whether or not to heal the stack after disconnecting.
+   */
+  private disconnectBlock(healStack: boolean) {
+    this.startParentConn =
+      this.block.outputConnection?.targetConnection ??
+      this.block.previousConnection?.targetConnection;
+    if (healStack) {
+      this.startChildConn = this.block.nextConnection?.targetConnection;
+    }
+
+    this.block.unplug(healStack);
+    blockAnimation.disconnectUiEffect(this.block);
+  }
+
+  /** Fire a UI event at the start of a block drag. */
+  private fireDragStartEvent() {
+    const event = new (eventUtils.get(eventUtils.BLOCK_DRAG))(
+      this.block,
+      true,
+      this.block.getDescendants(false),
+    );
+    eventUtils.fire(event);
+  }
+
+  /** Fire a UI event at the end of a block drag. */
+  private fireDragEndEvent() {
+    const event = new (eventUtils.get(eventUtils.BLOCK_DRAG))(
+      this.block,
+      false,
+      this.block.getDescendants(false),
+    );
+    eventUtils.fire(event);
+  }
+
+  /** Fire a move event at the end of a block drag. */
+  private fireMoveEvent() {
+    if (this.block.isDeadOrDying()) return;
+    const event = new (eventUtils.get(eventUtils.BLOCK_MOVE))(
+      this.block,
+    ) as BlockMove;
+    event.setReason(['drag']);
+    event.oldCoordinate = this.startLoc!;
+    event.recordNew();
+    eventUtils.fire(event);
+  }
+
+  /** Moves the block and updates any connection previews. */
+  drag(newLoc: Coordinate): void {
+    if (this.block.isShadow()) {
+      this.block.getParent()?.drag(Coordinate.sum(newLoc, this.dragOffset));
+      return;
+    }
+
+    this.block.moveDuringDrag(newLoc);
+    this.updateConnectionPreview(
+      this.block,
+      Coordinate.difference(newLoc, this.startLoc!),
+    );
+  }
+
+  /**
+   * @param draggingBlock The block being dragged.
+   * @param delta How far the pointer has moved from the position
+   *     at the start of the drag, in workspace units.
+   */
+  private updateConnectionPreview(draggingBlock: BlockSvg, delta: Coordinate) {
+    const currCandidate = this.connectionCandidate;
+    const newCandidate = this.getConnectionCandidate(draggingBlock, delta);
+    if (!newCandidate) {
+      this.connectionPreviewer!.hidePreview();
+      this.connectionCandidate = null;
+      return;
+    }
+    const candidate =
+      currCandidate &&
+      this.currCandidateIsBetter(currCandidate, delta, newCandidate)
+        ? currCandidate
+        : newCandidate;
+    this.connectionCandidate = candidate;
+
+    const {local, neighbour} = candidate;
+    const localIsOutputOrPrevious =
+      local.type === ConnectionType.OUTPUT_VALUE ||
+      local.type === ConnectionType.PREVIOUS_STATEMENT;
+    const neighbourIsConnectedToRealBlock =
+      neighbour.isConnected() && !neighbour.targetBlock()!.isInsertionMarker();
+    if (
+      localIsOutputOrPrevious &&
+      neighbourIsConnectedToRealBlock &&
+      !this.orphanCanConnectAtEnd(
+        draggingBlock,
+        neighbour.targetBlock()!,
+        local.type,
+      )
+    ) {
+      this.connectionPreviewer!.previewReplacement(
+        local,
+        neighbour,
+        neighbour.targetBlock()!,
+      );
+      return;
+    }
+    this.connectionPreviewer!.previewConnection(local, neighbour);
+  }
+
+  /**
+   * Returns true if the given orphan block can connect at the end of the
+   * top block's stack or row, false otherwise.
+   */
+  private orphanCanConnectAtEnd(
+    topBlock: BlockSvg,
+    orphanBlock: BlockSvg,
+    localType: number,
+  ): boolean {
+    const orphanConnection =
+      localType === ConnectionType.OUTPUT_VALUE
+        ? orphanBlock.outputConnection
+        : orphanBlock.previousConnection;
+    return !!Connection.getConnectionForOrphanedConnection(
+      topBlock as Block,
+      orphanConnection as Connection,
+    );
+  }
+
+  /**
+   * Returns true if the current candidate is better than the new candidate.
+   *
+   * We slightly prefer the current candidate even if it is farther away.
+   */
+  private currCandidateIsBetter(
+    currCandiate: ConnectionCandidate,
+    delta: Coordinate,
+    newCandidate: ConnectionCandidate,
+  ): boolean {
+    const {local: currLocal, neighbour: currNeighbour} = currCandiate;
+    const localPos = new Coordinate(currLocal.x, currLocal.y);
+    const neighbourPos = new Coordinate(currNeighbour.x, currNeighbour.y);
+    const currDistance = Coordinate.distance(
+      Coordinate.sum(localPos, delta),
+      neighbourPos,
+    );
+    return (
+      newCandidate.distance > currDistance - config.currentConnectionPreference
+    );
+  }
+
+  /**
+   * Returns the closest valid candidate connection, if one can be found.
+   *
+   * Valid neighbour connections are within the configured start radius, with a
+   * compatible type (input, output, etc) and connection check.
+   */
+  private getConnectionCandidate(
+    draggingBlock: BlockSvg,
+    delta: Coordinate,
+  ): ConnectionCandidate | null {
+    const localConns = this.getLocalConnections(draggingBlock);
+    let radius = this.connectionCandidate
+      ? config.connectingSnapRadius
+      : config.snapRadius;
+    let candidate = null;
+
+    for (const conn of localConns) {
+      const {connection: neighbour, radius: rad} = conn.closest(radius, delta);
+      if (neighbour) {
+        candidate = {
+          local: conn,
+          neighbour: neighbour,
+          distance: rad,
+        };
+        radius = rad;
+      }
+    }
+
+    return candidate;
+  }
+
+  /**
+   * Returns all of the connections we might connect to blocks on the workspace.
+   *
+   * Includes any connections on the dragging block, and any last next
+   * connection on the stack (if one exists).
+   */
+  private getLocalConnections(draggingBlock: BlockSvg): RenderedConnection[] {
+    const available = draggingBlock.getConnections_(false);
+    const lastOnStack = draggingBlock.lastConnectionInStack(true);
+    if (lastOnStack && lastOnStack !== draggingBlock.nextConnection) {
+      available.push(lastOnStack);
+    }
+    return available;
+  }
+
+  /**
+   * Cleans up any state at the end of the drag. Applies any pending
+   * connections.
+   */
+  endDrag(e?: PointerEvent): void {
+    if (this.block.isShadow()) {
+      this.block.getParent()?.endDrag(e);
+      return;
+    }
+
+    this.fireDragEndEvent();
+    this.fireMoveEvent();
+
+    dom.stopTextWidthCache();
+
+    blockAnimation.disconnectUiStop();
+    this.connectionPreviewer!.hidePreview();
+
+    if (!this.block.isDeadOrDying() && this.dragging) {
+      // These are expensive and don't need to be done if we're deleting, or
+      // if we've already stopped dragging because we moved back to the start.
+      this.workspace
+        .getLayerManager()
+        ?.moveOffDragLayer(this.block, layers.BLOCK);
+      this.block.setDragging(false);
+    }
+
+    if (this.connectionCandidate) {
+      // Applying connections also rerenders the relevant blocks.
+      this.applyConnections(this.connectionCandidate);
+    } else {
+      this.block.queueRender();
+    }
+    this.block.snapToGrid();
+
+    // Must dispose after connections are applied to not break the dynamic
+    // connections plugin. See #7859
+    this.connectionPreviewer!.dispose();
+    this.workspace.setResizesEnabled(true);
+
+    eventUtils.setGroup(false);
+  }
+
+  /** Connects the given candidate connections. */
+  private applyConnections(candidate: ConnectionCandidate) {
+    const {local, neighbour} = candidate;
+    local.connect(neighbour);
+
+    const inferiorConnection = local.isSuperior() ? neighbour : local;
+    const rootBlock = this.block.getRootBlock();
+
+    finishQueuedRenders().then(() => {
+      blockAnimation.connectionUiEffect(inferiorConnection.getSourceBlock());
+      // bringToFront is incredibly expensive. Delay until the next frame.
+      setTimeout(() => {
+        rootBlock.bringToFront();
+      }, 0);
+    });
+  }
+
+  /**
+   * Moves the block back to where it was at the beginning of the drag,
+   * including reconnecting connections.
+   */
+  revertDrag(): void {
+    if (this.block.isShadow()) {
+      this.block.getParent()?.revertDrag();
+      return;
+    }
+
+    this.startChildConn?.connect(this.block.nextConnection);
+    if (this.startParentConn) {
+      switch (this.startParentConn.type) {
+        case ConnectionType.INPUT_VALUE:
+          this.startParentConn.connect(this.block.outputConnection);
+          break;
+        case ConnectionType.NEXT_STATEMENT:
+          this.startParentConn.connect(this.block.previousConnection);
+      }
+    } else {
+      this.block.moveTo(this.startLoc!, ['drag']);
+      this.workspace
+        .getLayerManager()
+        ?.moveOffDragLayer(this.block, layers.BLOCK);
+      // Blocks dragged directly from a flyout may need to be bumped into
+      // bounds.
+      bumpObjects.bumpIntoBounds(
+        this.workspace,
+        this.workspace.getMetricsManager().getScrollMetrics(true),
+        this.block,
+      );
+    }
+
+    this.startChildConn = null;
+    this.startParentConn = null;
+
+    this.connectionPreviewer!.hidePreview();
+    this.connectionCandidate = null;
+
+    this.block.setDragging(false);
+    this.dragging = false;
+  }
+}
diff --git a/core/dragging/bubble_drag_strategy.ts b/core/dragging/bubble_drag_strategy.ts
new file mode 100644
index 00000000000..7ffccddc1e5
--- /dev/null
+++ b/core/dragging/bubble_drag_strategy.ts
@@ -0,0 +1,52 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {IDragStrategy} from '../interfaces/i_draggable.js';
+import {Coordinate} from '../utils.js';
+import * as eventUtils from '../events/utils.js';
+import {IBubble, WorkspaceSvg} from '../blockly.js';
+import * as layers from '../layers.js';
+
+export class BubbleDragStrategy implements IDragStrategy {
+  private startLoc: Coordinate | null = null;
+
+  constructor(
+    private bubble: IBubble,
+    private workspace: WorkspaceSvg,
+  ) {}
+
+  isMovable(): boolean {
+    return true;
+  }
+
+  startDrag(): void {
+    if (!eventUtils.getGroup()) {
+      eventUtils.setGroup(true);
+    }
+    this.startLoc = this.bubble.getRelativeToSurfaceXY();
+    this.workspace.setResizesEnabled(false);
+    this.workspace.getLayerManager()?.moveToDragLayer(this.bubble);
+    this.bubble.setDragging && this.bubble.setDragging(true);
+  }
+
+  drag(newLoc: Coordinate): void {
+    this.bubble.moveDuringDrag(newLoc);
+  }
+
+  endDrag(): void {
+    this.workspace.setResizesEnabled(true);
+    eventUtils.setGroup(false);
+
+    this.workspace
+      .getLayerManager()
+      ?.moveOffDragLayer(this.bubble, layers.BUBBLE);
+    this.bubble.setDragging(false);
+  }
+
+  revertDrag(): void {
+    if (this.startLoc) this.bubble.moveDuringDrag(this.startLoc);
+  }
+}
diff --git a/core/dragging/comment_drag_strategy.ts b/core/dragging/comment_drag_strategy.ts
new file mode 100644
index 00000000000..804ad2e9c9e
--- /dev/null
+++ b/core/dragging/comment_drag_strategy.ts
@@ -0,0 +1,70 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {IDragStrategy} from '../interfaces/i_draggable.js';
+import {Coordinate} from '../utils.js';
+import * as eventUtils from '../events/utils.js';
+import * as layers from '../layers.js';
+import {RenderedWorkspaceComment} from '../comments.js';
+import {WorkspaceSvg} from '../workspace_svg.js';
+import {CommentMove} from '../events/events_comment_move.js';
+
+export class CommentDragStrategy implements IDragStrategy {
+  private startLoc: Coordinate | null = null;
+
+  private workspace: WorkspaceSvg;
+
+  constructor(private comment: RenderedWorkspaceComment) {
+    this.workspace = comment.workspace;
+  }
+
+  isMovable(): boolean {
+    return this.comment.isOwnMovable() && !this.workspace.options.readOnly;
+  }
+
+  startDrag(): void {
+    if (!eventUtils.getGroup()) {
+      eventUtils.setGroup(true);
+    }
+    this.startLoc = this.comment.getRelativeToSurfaceXY();
+    this.workspace.setResizesEnabled(false);
+    this.workspace.getLayerManager()?.moveToDragLayer(this.comment);
+    this.comment.setDragging(true);
+  }
+
+  drag(newLoc: Coordinate): void {
+    this.comment.moveDuringDrag(newLoc);
+  }
+
+  endDrag(): void {
+    this.fireMoveEvent();
+
+    this.workspace
+      .getLayerManager()
+      ?.moveOffDragLayer(this.comment, layers.BLOCK);
+    this.comment.setDragging(false);
+
+    this.comment.snapToGrid();
+
+    this.workspace.setResizesEnabled(true);
+    eventUtils.setGroup(false);
+  }
+
+  private fireMoveEvent() {
+    if (this.comment.isDeadOrDying()) return;
+    const event = new (eventUtils.get(eventUtils.COMMENT_MOVE))(
+      this.comment,
+    ) as CommentMove;
+    event.setReason(['drag']);
+    event.oldCoordinate_ = this.startLoc!;
+    event.recordNew();
+    eventUtils.fire(event);
+  }
+
+  revertDrag(): void {
+    if (this.startLoc) this.comment.moveDuringDrag(this.startLoc);
+  }
+}
diff --git a/core/dragging/dragger.ts b/core/dragging/dragger.ts
new file mode 100644
index 00000000000..66d447a6fca
--- /dev/null
+++ b/core/dragging/dragger.ts
@@ -0,0 +1,163 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {IDragTarget} from '../interfaces/i_drag_target.js';
+import {IDeletable, isDeletable} from '../interfaces/i_deletable.js';
+import {IDragger} from '../interfaces/i_dragger.js';
+import {IDraggable} from '../interfaces/i_draggable.js';
+import {Coordinate} from '../utils/coordinate.js';
+import {WorkspaceSvg} from '../workspace_svg.js';
+import {ComponentManager} from '../component_manager.js';
+import {IDeleteArea} from '../interfaces/i_delete_area.js';
+import * as registry from '../registry.js';
+import * as eventUtils from '../events/utils.js';
+import * as blockAnimations from '../block_animations.js';
+import {BlockSvg} from '../block_svg.js';
+
+export class Dragger implements IDragger {
+  protected startLoc: Coordinate;
+
+  protected dragTarget: IDragTarget | null = null;
+
+  constructor(
+    protected draggable: IDraggable,
+    protected workspace: WorkspaceSvg,
+  ) {
+    this.startLoc = draggable.getRelativeToSurfaceXY();
+  }
+
+  /** Handles any drag startup. */
+  onDragStart(e: PointerEvent) {
+    this.draggable.startDrag(e);
+  }
+
+  /**
+   * Handles calculating where the element should actually be moved to.
+   *
+   * @param totalDelta The total amount in pixel coordinates the mouse has moved
+   *     since the start of the drag.
+   */
+  onDrag(e: PointerEvent, totalDelta: Coordinate) {
+    this.moveDraggable(e, totalDelta);
+    const root = this.getRoot(this.draggable);
+
+    // Must check `wouldDelete` before calling other hooks on drag targets
+    // since we have documented that we would do so.
+    if (isDeletable(root)) {
+      root.setDeleteStyle(this.wouldDeleteDraggable(e, root));
+    }
+    this.updateDragTarget(e);
+  }
+
+  /** Updates the drag target under the pointer (if there is one). */
+  protected updateDragTarget(e: PointerEvent) {
+    const newDragTarget = this.workspace.getDragTarget(e);
+    const root = this.getRoot(this.draggable);
+    if (this.dragTarget !== newDragTarget) {
+      this.dragTarget?.onDragExit(root);
+      newDragTarget?.onDragEnter(root);
+    }
+    newDragTarget?.onDragOver(root);
+    this.dragTarget = newDragTarget;
+  }
+
+  /**
+   * Calculates the correct workspace coordinate for the movable and tells
+   * the draggable to go to that location.
+   */
+  private moveDraggable(e: PointerEvent, totalDelta: Coordinate) {
+    const delta = this.pixelsToWorkspaceUnits(totalDelta);
+    const newLoc = Coordinate.sum(this.startLoc, delta);
+    this.draggable.drag(newLoc, e);
+  }
+
+  /**
+   * Returns true if we would delete the draggable if it was dropped
+   * at the current location.
+   */
+  protected wouldDeleteDraggable(
+    e: PointerEvent,
+    rootDraggable: IDraggable & IDeletable,
+  ) {
+    const dragTarget = this.workspace.getDragTarget(e);
+    if (!dragTarget) return false;
+
+    const componentManager = this.workspace.getComponentManager();
+    const isDeleteArea = componentManager.hasCapability(
+      dragTarget.id,
+      ComponentManager.Capability.DELETE_AREA,
+    );
+    if (!isDeleteArea) return false;
+
+    return (dragTarget as IDeleteArea).wouldDelete(rootDraggable);
+  }
+
+  /** Handles any drag cleanup. */
+  onDragEnd(e: PointerEvent) {
+    const origGroup = eventUtils.getGroup();
+    const dragTarget = this.workspace.getDragTarget(e);
+    const root = this.getRoot(this.draggable);
+
+    if (dragTarget) {
+      this.dragTarget?.onDrop(root);
+    }
+
+    if (this.shouldReturnToStart(e, root)) {
+      this.draggable.revertDrag();
+    }
+
+    const wouldDelete = isDeletable(root) && this.wouldDeleteDraggable(e, root);
+
+    // TODO(#8148): use a generalized API instead of an instanceof check.
+    if (wouldDelete && this.draggable instanceof BlockSvg) {
+      blockAnimations.disposeUiEffect(this.draggable.getRootBlock());
+    }
+
+    this.draggable.endDrag(e);
+
+    if (wouldDelete && isDeletable(root)) {
+      // We want to make sure the delete gets grouped with any possible
+      // move event.
+      const newGroup = eventUtils.getGroup();
+      eventUtils.setGroup(origGroup);
+      root.dispose();
+      eventUtils.setGroup(newGroup);
+    }
+  }
+
+  // We need to special case blocks for now so that we look at the root block
+  // instead of the one actually being dragged in most cases.
+  private getRoot(draggable: IDraggable): IDraggable {
+    return draggable instanceof BlockSvg ? draggable.getRootBlock() : draggable;
+  }
+
+  /**
+   * Returns true if we should return the draggable to its original location
+   * at the end of the drag.
+   */
+  protected shouldReturnToStart(e: PointerEvent, rootDraggable: IDraggable) {
+    const dragTarget = this.workspace.getDragTarget(e);
+    if (!dragTarget) return false;
+    return dragTarget.shouldPreventMove(rootDraggable);
+  }
+
+  protected pixelsToWorkspaceUnits(pixelCoord: Coordinate): Coordinate {
+    const result = new Coordinate(
+      pixelCoord.x / this.workspace.scale,
+      pixelCoord.y / this.workspace.scale,
+    );
+    if (this.workspace.isMutator) {
+      // If we're in a mutator, its scale is always 1, purely because of some
+      // oddities in our rendering optimizations.  The actual scale is the same
+      // as the scale on the parent workspace. Fix that for dragging.
+      const mainScale = this.workspace.options.parentWorkspace!.scale;
+      result.scale(1 / mainScale);
+    }
+    return result;
+  }
+}
+
+registry.register(registry.Type.BLOCK_DRAGGER, registry.DEFAULT, Dragger);
diff --git a/core/dropdowndiv.js b/core/dropdowndiv.js
deleted file mode 100644
index 770af679fa1..00000000000
--- a/core/dropdowndiv.js
+++ /dev/null
@@ -1,776 +0,0 @@
-/**
- * @license
- * Copyright 2016 Massachusetts Institute of Technology
- * All rights reserved.
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview A div that floats on top of the workspace, for drop-down menus.
- * The drop-down can be kept inside the workspace, animate in/out, etc.
- * @author tmickel@mit.edu (Tim Mickel)
- */
-
-'use strict';
-
-goog.provide('Blockly.DropDownDiv');
-
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.math');
-goog.require('Blockly.utils.style');
-
-goog.requireType('Blockly.utils.Rect');
-goog.requireType('Blockly.utils.Size');
-
-
-/**
- * Class for drop-down div.
- * @constructor
- * @package
- */
-Blockly.DropDownDiv = function() {
-};
-
-/**
- * Drop-downs will appear within the bounds of this element if possible.
- * Set in Blockly.DropDownDiv.setBoundsElement.
- * @type {Element}
- * @private
- */
-Blockly.DropDownDiv.boundsElement_ = null;
-
-/**
- * The object currently using the drop-down.
- * @type {Object}
- * @private
- */
-Blockly.DropDownDiv.owner_ = null;
-
-/**
- * Whether the dropdown was positioned to a field or the source block.
- * @type {?boolean}
- * @private
- */
-Blockly.DropDownDiv.positionToField_ = null;
-
-/**
- * Arrow size in px. Should match the value in CSS
- * (need to position pre-render).
- * @type {number}
- * @const
- */
-Blockly.DropDownDiv.ARROW_SIZE = 16;
-
-/**
- * Drop-down border size in px. Should match the value in CSS (need to position
- * the arrow).
- * @type {number}
- * @const
- */
-Blockly.DropDownDiv.BORDER_SIZE = 1;
-
-/**
- * Amount the arrow must be kept away from the edges of the main drop-down div,
- * in px.
- * @type {number}
- * @const
- */
-Blockly.DropDownDiv.ARROW_HORIZONTAL_PADDING = 12;
-
-/**
- * Amount drop-downs should be padded away from the source, in px.
- * @type {number}
- * @const
- */
-Blockly.DropDownDiv.PADDING_Y = 16;
-
-/**
- * Length of animations in seconds.
- * @type {number}
- * @const
- */
-Blockly.DropDownDiv.ANIMATION_TIME = 0.25;
-
-/**
- * Timer for animation out, to be cleared if we need to immediately hide
- * without disrupting new shows.
- * @type {?number}
- * @private
- */
-Blockly.DropDownDiv.animateOutTimer_ = null;
-
-/**
- * Callback for when the drop-down is hidden.
- * @type {?Function}
- * @private
- */
-Blockly.DropDownDiv.onHide_ = null;
-
-/**
- * A class name representing the current owner's workspace renderer.
- * @type {string}
- * @private
- */
-Blockly.DropDownDiv.rendererClassName_ = '';
-
-/**
- * A class name representing the current owner's workspace theme.
- * @type {string}
- * @private
- */
-Blockly.DropDownDiv.themeClassName_ = '';
-
-/**
- * Dropdown bounds info object used to encapsulate sizing information about a
- * bounding element (bounding box and width/height).
- * @typedef {{
- *        top:number,
- *        left:number,
- *        bottom:number,
- *        right:number,
- *        width:number,
- *        height:number
- * }}
- */
-Blockly.DropDownDiv.BoundsInfo;
-
-/**
- * Dropdown position metrics.
- * @typedef {{
- *        initialX:number,
- *        initialY:number,
- *        finalX:number,
- *        finalY:number,
- *        arrowX:?number,
- *        arrowY:?number,
- *        arrowAtTop:?boolean,
- *        arrowVisible:boolean
- * }}
- */
-Blockly.DropDownDiv.PositionMetrics;
- 
-/**
- * Create and insert the DOM element for this div.
- * @package
- */
-Blockly.DropDownDiv.createDom = function() {
-  if (Blockly.DropDownDiv.DIV_) {
-    return;  // Already created.
-  }
-  var div = document.createElement('div');
-  div.className = 'blocklyDropDownDiv';
-  var container = Blockly.parentContainer || document.body;
-  container.appendChild(div);
-  /**
-   * The div element.
-   * @type {!Element}
-   * @private
-   */
-  Blockly.DropDownDiv.DIV_ = div;
-
-  var content = document.createElement('div');
-  content.className = 'blocklyDropDownContent';
-  div.appendChild(content);
-  /**
-   * The content element.
-   * @type {!Element}
-   * @private
-   */
-  Blockly.DropDownDiv.content_ = content;
-
-  var arrow = document.createElement('div');
-  arrow.className = 'blocklyDropDownArrow';
-  div.appendChild(arrow);
-  /**
-   * The arrow element.
-   * @type {!Element}
-   * @private
-   */
-  Blockly.DropDownDiv.arrow_ = arrow;
-
-  Blockly.DropDownDiv.DIV_.style.opacity = 0;
-
-  // Transition animation for transform: translate() and opacity.
-  Blockly.DropDownDiv.DIV_.style.transition = 'transform ' +
-    Blockly.DropDownDiv.ANIMATION_TIME + 's, ' +
-    'opacity ' + Blockly.DropDownDiv.ANIMATION_TIME + 's';
-
-  // Handle focusin/out events to add a visual indicator when
-  // a child is focused or blurred.
-  div.addEventListener('focusin', function() {
-    Blockly.utils.dom.addClass(div, 'blocklyFocused');
-  });
-  div.addEventListener('focusout', function() {
-    Blockly.utils.dom.removeClass(div, 'blocklyFocused');
-  });
-};
-
-/**
- * Set an element to maintain bounds within. Drop-downs will appear
- * within the box of this element if possible.
- * @param {Element} boundsElement Element to bind drop-down to.
- */
-Blockly.DropDownDiv.setBoundsElement = function(boundsElement) {
-  Blockly.DropDownDiv.boundsElement_ = boundsElement;
-};
-
-/**
- * Provide the div for inserting content into the drop-down.
- * @return {!Element} Div to populate with content.
- */
-Blockly.DropDownDiv.getContentDiv = function() {
-  return Blockly.DropDownDiv.content_;
-};
-
-/**
- * Clear the content of the drop-down.
- */
-Blockly.DropDownDiv.clearContent = function() {
-  Blockly.DropDownDiv.content_.textContent = '';
-  Blockly.DropDownDiv.content_.style.width = '';
-};
-
-/**
- * Set the colour for the drop-down.
- * @param {string} backgroundColour Any CSS colour for the background.
- * @param {string} borderColour Any CSS colour for the border.
- */
-Blockly.DropDownDiv.setColour = function(backgroundColour, borderColour) {
-  Blockly.DropDownDiv.DIV_.style.backgroundColor = backgroundColour;
-  Blockly.DropDownDiv.DIV_.style.borderColor = borderColour;
-};
-
-/**
- * Shortcut to show and place the drop-down with positioning determined
- * by a particular block. The primary position will be below the block,
- * and the secondary position above the block. Drop-down will be
- * constrained to the block's workspace.
- * @param {!Blockly.Field} field The field showing the drop-down.
- * @param {!Blockly.BlockSvg} block Block to position the drop-down around.
- * @param {Function=} opt_onHide Optional callback for when the drop-down is
- *   hidden.
- * @param {number=} opt_secondaryYOffset Optional Y offset for above-block
- *   positioning.
- * @return {boolean} True if the menu rendered below block; false if above.
- */
-Blockly.DropDownDiv.showPositionedByBlock = function(field, block,
-    opt_onHide, opt_secondaryYOffset) {
-  return Blockly.DropDownDiv.showPositionedByRect_(
-      Blockly.DropDownDiv.getScaledBboxOfBlock_(block),
-      field, opt_onHide, opt_secondaryYOffset);
-};
-
-/**
- * Shortcut to show and place the drop-down with positioning determined
- * by a particular field. The primary position will be below the field,
- * and the secondary position above the field. Drop-down will be
- * constrained to the block's workspace.
- * @param {!Blockly.Field} field The field to position the dropdown against.
- * @param {Function=} opt_onHide Optional callback for when the drop-down is
- *   hidden.
- * @param {number=} opt_secondaryYOffset Optional Y offset for above-block
- *   positioning.
- * @return {boolean} True if the menu rendered below block; false if above.
- */
-Blockly.DropDownDiv.showPositionedByField = function(field,
-    opt_onHide, opt_secondaryYOffset) {
-  Blockly.DropDownDiv.positionToField_ = true;
-  return Blockly.DropDownDiv.showPositionedByRect_(
-      Blockly.DropDownDiv.getScaledBboxOfField_(field),
-      field, opt_onHide, opt_secondaryYOffset);
-};
-
-/**
- * Get the scaled bounding box of a block.
- * @param {!Blockly.BlockSvg} block The block.
- * @return {!Blockly.utils.Rect} The scaled bounding box of the block.
- * @private
- */
-Blockly.DropDownDiv.getScaledBboxOfBlock_ = function(block) {
-  var blockSvg = block.getSvgRoot();
-  var bBox = blockSvg.getBBox();
-  var scale = block.workspace.scale;
-  var scaledHeight = bBox.height * scale;
-  var scaledWidth = bBox.width * scale;
-  var xy = Blockly.utils.style.getPageOffset(blockSvg);
-  return new Blockly.utils.Rect(
-      xy.y, xy.y + scaledHeight, xy.x, xy.x + scaledWidth);
-};
-
-/**
- * Get the scaled bounding box of a field.
- * @param {!Blockly.Field} field The field.
- * @return {!Blockly.utils.Rect} The scaled bounding box of the field.
- * @private
- */
-Blockly.DropDownDiv.getScaledBboxOfField_ = function(field) {
-  var bBox = field.getScaledBBox();
-  return new Blockly.utils.Rect(
-      bBox.top, bBox.bottom, bBox.left, bBox.right);
-};
-
-/**
- * Helper method to show and place the drop-down with positioning determined
- * by a scaled bounding box.  The primary position will be below the rect,
- * and the secondary position above the rect. Drop-down will be constrained to
- * the block's workspace.
- * @param {!Blockly.utils.Rect} bBox The scaled bounding box.
- * @param {!Blockly.Field} field The field to position the dropdown against.
- * @param {Function=} opt_onHide Optional callback for when the drop-down is
- *   hidden.
- * @param {number=} opt_secondaryYOffset Optional Y offset for above-block
- *   positioning.
- * @return {boolean} True if the menu rendered below block; false if above.
- * @private
- */
-Blockly.DropDownDiv.showPositionedByRect_ = function(bBox, field,
-    opt_onHide, opt_secondaryYOffset) {
-  // If we can fit it, render below the block.
-  var primaryX = bBox.left + (bBox.right - bBox.left) / 2;
-  var primaryY = bBox.bottom;
-  // If we can't fit it, render above the entire parent block.
-  var secondaryX = primaryX;
-  var secondaryY = bBox.top;
-  if (opt_secondaryYOffset) {
-    secondaryY += opt_secondaryYOffset;
-  }
-  var sourceBlock = /** @type {!Blockly.BlockSvg} */ (field.getSourceBlock());
-  // Set bounds to main workspace; show the drop-down.
-  var workspace = sourceBlock.workspace;
-  while (workspace.options.parentWorkspace) {
-    workspace = /** @type {!Blockly.WorkspaceSvg} */ (
-      workspace.options.parentWorkspace);
-  }
-  Blockly.DropDownDiv.setBoundsElement(
-      /** @type {Element} */ (workspace.getParentSvg().parentNode));
-  return Blockly.DropDownDiv.show(
-      field, sourceBlock.RTL,
-      primaryX, primaryY, secondaryX, secondaryY, opt_onHide);
-};
-
-/**
- * Show and place the drop-down.
- * The drop-down is placed with an absolute "origin point" (x, y) - i.e.,
- * the arrow will point at this origin and box will positioned below or above
- * it.  If we can maintain the container bounds at the primary point, the arrow
- * will point there, and the container will be positioned below it.
- * If we can't maintain the container bounds at the primary point, fall-back to
- * the secondary point and position above.
- * @param {Object} owner The object showing the drop-down
- * @param {boolean} rtl Right-to-left (true) or left-to-right (false).
- * @param {number} primaryX Desired origin point x, in absolute px.
- * @param {number} primaryY Desired origin point y, in absolute px.
- * @param {number} secondaryX Secondary/alternative origin point x, in absolute
- *     px.
- * @param {number} secondaryY Secondary/alternative origin point y, in absolute
- *     px.
- * @param {Function=} opt_onHide Optional callback for when the drop-down is
- *     hidden.
- * @return {boolean} True if the menu rendered at the primary origin point.
- * @package
- */
-Blockly.DropDownDiv.show = function(owner, rtl, primaryX, primaryY,
-    secondaryX, secondaryY, opt_onHide) {
-  Blockly.DropDownDiv.owner_ = owner;
-  Blockly.DropDownDiv.onHide_ = opt_onHide || null;
-  // Set direction.
-  var div = Blockly.DropDownDiv.DIV_;
-  div.style.direction = rtl ? 'rtl' : 'ltr';
-
-  var mainWorkspace =
-    /** @type {!Blockly.WorkspaceSvg} */ (Blockly.getMainWorkspace());
-  Blockly.DropDownDiv.rendererClassName_ =
-      mainWorkspace.getRenderer().getClassName();
-  Blockly.DropDownDiv.themeClassName_ = mainWorkspace.getTheme().getClassName();
-  Blockly.utils.dom.addClass(div, Blockly.DropDownDiv.rendererClassName_);
-  Blockly.utils.dom.addClass(div, Blockly.DropDownDiv.themeClassName_);
-
-  // When we change `translate` multiple times in close succession,
-  // Chrome may choose to wait and apply them all at once.
-  // Since we want the translation to initial X, Y to be immediate,
-  // and the translation to final X, Y to be animated,
-  // we saw problems where both would be applied after animation was turned on,
-  // making the dropdown appear to fly in from (0, 0).
-  // Using both `left`, `top` for the initial translation and then `translate`
-  // for the animated transition to final X, Y is a workaround.
-
-  return Blockly.DropDownDiv.positionInternal_(
-      primaryX, primaryY, secondaryX, secondaryY);
-};
-
-/**
- * Get sizing info about the bounding element.
- * @return {!Blockly.DropDownDiv.BoundsInfo} An object containing size
- *     information about the bounding element (bounding box and width/height).
- * @private
- */
-Blockly.DropDownDiv.getBoundsInfo_ = function() {
-  var boundPosition = Blockly.utils.style.getPageOffset(
-      /** @type {!Element} */ (Blockly.DropDownDiv.boundsElement_));
-  var boundSize = Blockly.utils.style.getSize(
-      /** @type {!Element} */ (Blockly.DropDownDiv.boundsElement_));
-
-  return {
-    left: boundPosition.x,
-    right: boundPosition.x + boundSize.width,
-    top: boundPosition.y,
-    bottom: boundPosition.y + boundSize.height,
-    width: boundSize.width,
-    height: boundSize.height
-  };
-};
-
-/**
- * Helper to position the drop-down and the arrow, maintaining bounds.
- * See explanation of origin points in Blockly.DropDownDiv.show.
- * @param {number} primaryX Desired origin point x, in absolute px.
- * @param {number} primaryY Desired origin point y, in absolute px.
- * @param {number} secondaryX Secondary/alternative origin point x,
- *     in absolute px.
- * @param {number} secondaryY Secondary/alternative origin point y,
- *     in absolute px.
- * @return {!Blockly.DropDownDiv.PositionMetrics} Various final metrics,
- *     including rendered positions for drop-down and arrow.
- * @private
- */
-Blockly.DropDownDiv.getPositionMetrics_ = function(primaryX, primaryY,
-    secondaryX, secondaryY) {
-  var boundsInfo = Blockly.DropDownDiv.getBoundsInfo_();
-  var divSize = Blockly.utils.style.getSize(
-      /** @type {!Element} */ (Blockly.DropDownDiv.DIV_));
-
-  // Can we fit in-bounds below the target?
-  if (primaryY + divSize.height < boundsInfo.bottom) {
-    return Blockly.DropDownDiv.getPositionBelowMetrics_(
-        primaryX, primaryY, boundsInfo, divSize);
-  }
-  // Can we fit in-bounds above the target?
-  if (secondaryY - divSize.height > boundsInfo.top) {
-    return Blockly.DropDownDiv.getPositionAboveMetrics_(
-        secondaryX, secondaryY, boundsInfo, divSize);
-  }
-  // Can we fit outside the workspace bounds (but inside the window) below?
-  if (primaryY + divSize.height < document.documentElement.clientHeight) {
-    return Blockly.DropDownDiv.getPositionBelowMetrics_(
-        primaryX, primaryY, boundsInfo, divSize);
-  }
-  // Can we fit outside the workspace bounds (but inside the window) above?
-  if (secondaryY - divSize.height > document.documentElement.clientTop) {
-    return Blockly.DropDownDiv.getPositionAboveMetrics_(
-        secondaryX, secondaryY, boundsInfo, divSize);
-  }
-
-  // Last resort, render at top of page.
-  return Blockly.DropDownDiv.getPositionTopOfPageMetrics_(
-      primaryX, boundsInfo, divSize);
-};
-
-/**
- * Get the metrics for positioning the div below the source.
- * @param {number} primaryX Desired origin point x, in absolute px.
- * @param {number} primaryY Desired origin point y, in absolute px.
- * @param {!Blockly.DropDownDiv.BoundsInfo} boundsInfo An object containing size
- *     information about the bounding element (bounding box and width/height).
- * @param {!Blockly.utils.Size} divSize An object containing information about
- *     the size of the DropDownDiv (width & height).
- * @return {!Blockly.DropDownDiv.PositionMetrics} Various final metrics,
- *     including rendered positions for drop-down and arrow.
- * @private
- */
-Blockly.DropDownDiv.getPositionBelowMetrics_ = function(
-    primaryX, primaryY, boundsInfo, divSize) {
-
-  var xCoords = Blockly.DropDownDiv.getPositionX(
-      primaryX, boundsInfo.left, boundsInfo.right, divSize.width);
-
-  var arrowY = -(Blockly.DropDownDiv.ARROW_SIZE / 2 +
-      Blockly.DropDownDiv.BORDER_SIZE);
-  var finalY = primaryY + Blockly.DropDownDiv.PADDING_Y;
-
-  return {
-    initialX: xCoords.divX,
-    initialY : primaryY,
-    finalX: xCoords.divX, // X position remains constant during animation.
-    finalY: finalY,
-    arrowX: xCoords.arrowX,
-    arrowY: arrowY,
-    arrowAtTop: true,
-    arrowVisible: true
-  };
-};
-
-/**
- * Get the metrics for positioning the div above the source.
- * @param {number} secondaryX Secondary/alternative origin point x,
- *     in absolute px.
- * @param {number} secondaryY Secondary/alternative origin point y,
- *     in absolute px.
- * @param {!Blockly.DropDownDiv.BoundsInfo} boundsInfo An object containing size
- *     information about the bounding element (bounding box and width/height).
- * @param {!Blockly.utils.Size} divSize An object containing information about
- *     the size of the DropDownDiv (width & height).
- * @return {!Blockly.DropDownDiv.PositionMetrics} Various final metrics,
- *     including rendered positions for drop-down and arrow.
- * @private
- */
-Blockly.DropDownDiv.getPositionAboveMetrics_ = function(
-    secondaryX, secondaryY, boundsInfo, divSize) {
-
-  var xCoords = Blockly.DropDownDiv.getPositionX(
-      secondaryX, boundsInfo.left, boundsInfo.right, divSize.width);
-
-  var arrowY = divSize.height - (Blockly.DropDownDiv.BORDER_SIZE * 2) -
-      (Blockly.DropDownDiv.ARROW_SIZE / 2);
-  var finalY = secondaryY - divSize.height - Blockly.DropDownDiv.PADDING_Y;
-  var initialY = secondaryY - divSize.height; // No padding on Y
-
-  return {
-    initialX: xCoords.divX,
-    initialY : initialY,
-    finalX: xCoords.divX, // X position remains constant during animation.
-    finalY: finalY,
-    arrowX: xCoords.arrowX,
-    arrowY: arrowY,
-    arrowAtTop: false,
-    arrowVisible: true
-  };
-};
-
-/**
- * Get the metrics for positioning the div at the top of the page.
- * @param {number} sourceX Desired origin point x, in absolute px.
- * @param {!Blockly.DropDownDiv.BoundsInfo} boundsInfo An object containing size
- *     information about the bounding element (bounding box and width/height).
- * @param {!Blockly.utils.Size} divSize An object containing information about
- *     the size of the DropDownDiv (width & height).
- * @return {!Blockly.DropDownDiv.PositionMetrics} Various final metrics,
- *     including rendered positions for drop-down and arrow.
- * @private
- */
-Blockly.DropDownDiv.getPositionTopOfPageMetrics_ = function(
-    sourceX, boundsInfo, divSize) {
-
-  var xCoords = Blockly.DropDownDiv.getPositionX(
-      sourceX, boundsInfo.left, boundsInfo.right, divSize.width);
-
-  // No need to provide arrow-specific information because it won't be visible.
-  return {
-    initialX: xCoords.divX,
-    initialY : 0,
-    finalX: xCoords.divX, // X position remains constant during animation.
-    finalY: 0,            // Y position remains constant during animation.
-    arrowAtTop: null,
-    arrowX: null,
-    arrowY: null,
-    arrowVisible: false
-  };
-};
-
-/**
- * Get the x positions for the left side of the DropDownDiv and the arrow,
- * accounting for the bounds of the workspace.
- * @param {number} sourceX Desired origin point x, in absolute px.
- * @param {number} boundsLeft The left edge of the bounding element, in
- *    absolute px.
- * @param {number} boundsRight The right edge of the bounding element, in
- *    absolute px.
- * @param {number} divWidth The width of the div in px.
- * @return {{divX: number, arrowX: number}} An object containing metrics for
- *    the x positions of the left side of the DropDownDiv and the arrow.
- * @package
- */
-Blockly.DropDownDiv.getPositionX = function(
-    sourceX, boundsLeft, boundsRight, divWidth) {
-  var arrowX, divX;
-  arrowX = divX = sourceX;
-
-  // Offset the topLeft coord so that the dropdowndiv is centered.
-  divX -= divWidth / 2;
-  // Fit the dropdowndiv within the bounds of the workspace.
-  divX = Blockly.utils.math.clamp(boundsLeft, divX, boundsRight - divWidth);
-
-  // Offset the arrow coord so that the arrow is centered.
-  arrowX -= Blockly.DropDownDiv.ARROW_SIZE / 2;
-  // Convert the arrow position to be relative to the top left of the div.
-  var relativeArrowX = arrowX - divX;
-  var horizPadding = Blockly.DropDownDiv.ARROW_HORIZONTAL_PADDING;
-  // Clamp the arrow position so that it stays attached to the dropdowndiv.
-  relativeArrowX = Blockly.utils.math.clamp(
-      horizPadding,
-      relativeArrowX,
-      divWidth - horizPadding - Blockly.DropDownDiv.ARROW_SIZE);
-
-  return {
-    arrowX: relativeArrowX,
-    divX: divX
-  };
-};
-
-/**
- * Is the container visible?
- * @return {boolean} True if visible.
- */
-Blockly.DropDownDiv.isVisible = function() {
-  return !!Blockly.DropDownDiv.owner_;
-};
-
-/**
- * Hide the menu only if it is owned by the provided object.
- * @param {Object} owner Object which must be owning the drop-down to hide.
- * @param {boolean=} opt_withoutAnimation True if we should hide the dropdown
- *     without animating.
- * @return {boolean} True if hidden.
- */
-Blockly.DropDownDiv.hideIfOwner = function(owner, opt_withoutAnimation) {
-  if (Blockly.DropDownDiv.owner_ === owner) {
-    if (opt_withoutAnimation) {
-      Blockly.DropDownDiv.hideWithoutAnimation();
-    } else {
-      Blockly.DropDownDiv.hide();
-    }
-    return true;
-  }
-  return false;
-};
-
-/**
- * Hide the menu, triggering animation.
- */
-Blockly.DropDownDiv.hide = function() {
-  // Start the animation by setting the translation and fading out.
-  var div = Blockly.DropDownDiv.DIV_;
-  // Reset to (initialX, initialY) - i.e., no translation.
-  div.style.transform = 'translate(0, 0)';
-  div.style.opacity = 0;
-  // Finish animation - reset all values to default.
-  Blockly.DropDownDiv.animateOutTimer_ =
-      setTimeout(function() {
-        Blockly.DropDownDiv.hideWithoutAnimation();
-      }, Blockly.DropDownDiv.ANIMATION_TIME * 1000);
-  if (Blockly.DropDownDiv.onHide_) {
-    Blockly.DropDownDiv.onHide_();
-    Blockly.DropDownDiv.onHide_ = null;
-  }
-};
-
-/**
- * Hide the menu, without animation.
- */
-Blockly.DropDownDiv.hideWithoutAnimation = function() {
-  if (!Blockly.DropDownDiv.isVisible()) {
-    return;
-  }
-  if (Blockly.DropDownDiv.animateOutTimer_) {
-    clearTimeout(Blockly.DropDownDiv.animateOutTimer_);
-  }
-
-  // Reset style properties in case this gets called directly
-  // instead of hide() - see discussion on #2551.
-  var div = Blockly.DropDownDiv.DIV_;
-  div.style.transform = '';
-  div.style.left = '';
-  div.style.top = '';
-  div.style.opacity = 0;
-  div.style.display = 'none';
-  div.style.backgroundColor = '';
-  div.style.borderColor = '';
-
-  if (Blockly.DropDownDiv.onHide_) {
-    Blockly.DropDownDiv.onHide_();
-    Blockly.DropDownDiv.onHide_ = null;
-  }
-  Blockly.DropDownDiv.clearContent();
-  Blockly.DropDownDiv.owner_ = null;
-
-  if (Blockly.DropDownDiv.rendererClassName_) {
-    Blockly.utils.dom.removeClass(div, Blockly.DropDownDiv.rendererClassName_);
-    Blockly.DropDownDiv.rendererClassName_ = '';
-  }
-  if (Blockly.DropDownDiv.themeClassName_) {
-    Blockly.utils.dom.removeClass(div, Blockly.DropDownDiv.themeClassName_);
-    Blockly.DropDownDiv.themeClassName_ = '';
-  }
-  (/** @type {!Blockly.WorkspaceSvg} */ (
-    Blockly.getMainWorkspace())).markFocused();
-};
-
-/**
- * Set the dropdown div's position.
- * @param {number} primaryX Desired origin point x, in absolute px.
- * @param {number} primaryY Desired origin point y, in absolute px.
- * @param {number} secondaryX Secondary/alternative origin point x,
- *    in absolute px.
- * @param {number} secondaryY Secondary/alternative origin point y,
- *    in absolute px.
- * @return {boolean} True if the menu rendered at the primary origin point.
- * @private
- */
-Blockly.DropDownDiv.positionInternal_ = function(
-    primaryX, primaryY, secondaryX, secondaryY) {
-  var metrics = Blockly.DropDownDiv.getPositionMetrics_(primaryX, primaryY,
-      secondaryX, secondaryY);
-
-  // Update arrow CSS.
-  if (metrics.arrowVisible) {
-    Blockly.DropDownDiv.arrow_.style.display = '';
-    Blockly.DropDownDiv.arrow_.style.transform = 'translate(' +
-        metrics.arrowX + 'px,' + metrics.arrowY + 'px) rotate(45deg)';
-    Blockly.DropDownDiv.arrow_.setAttribute('class', metrics.arrowAtTop ?
-        'blocklyDropDownArrow blocklyArrowTop' :
-        'blocklyDropDownArrow blocklyArrowBottom');
-  } else {
-    Blockly.DropDownDiv.arrow_.style.display = 'none';
-  }
-
-  var initialX = Math.floor(metrics.initialX);
-  var initialY = Math.floor(metrics.initialY);
-  var finalX = Math.floor(metrics.finalX);
-  var finalY = Math.floor(metrics.finalY);
-
-  var div = Blockly.DropDownDiv.DIV_;
-  // First apply initial translation.
-  div.style.left = initialX + 'px';
-  div.style.top = initialY + 'px';
-
-  // Show the div.
-  div.style.display = 'block';
-  div.style.opacity = 1;
-  // Add final translate, animated through `transition`.
-  // Coordinates are relative to (initialX, initialY),
-  // where the drop-down is absolutely positioned.
-  var dx = finalX - initialX;
-  var dy = finalY - initialY;
-  div.style.transform = 'translate(' + dx + 'px,' + dy + 'px)';
-
-  return !!metrics.arrowAtTop;
-};
-
-/**
- * Repositions the dropdownDiv on window resize. If it doesn't know how to
- * calculate the new position, it will just hide it instead.
- * @package
- */
-Blockly.DropDownDiv.repositionForWindowResize = function() {
-  // This condition mainly catches the dropdown div when it is being used as a
-  // dropdown.  It is important not to close it in this case because on Android,
-  // when a field is focused, the soft keyboard opens triggering a window resize
-  // event and we want the dropdown div to stick around so users can type into
-  // it.
-  if (Blockly.DropDownDiv.owner_) {
-    var field = /** @type {!Blockly.Field} */ (Blockly.DropDownDiv.owner_);
-    var block = /** @type {!Blockly.BlockSvg} */ (field.getSourceBlock());
-    var bBox = Blockly.DropDownDiv.positionToField_ ?
-        Blockly.DropDownDiv.getScaledBboxOfField_(field) :
-        Blockly.DropDownDiv.getScaledBboxOfBlock_(block);
-    // If we can fit it, render below the block.
-    var primaryX = bBox.left + (bBox.right - bBox.left) / 2;
-    var primaryY = bBox.bottom;
-    // If we can't fit it, render above the entire parent block.
-    var secondaryX = primaryX;
-    var secondaryY = bBox.top;
-    Blockly.DropDownDiv.positionInternal_(
-        primaryX, primaryY, secondaryX, secondaryY);
-  } else {
-    Blockly.DropDownDiv.hide();
-  }
-};
diff --git a/core/dropdowndiv.ts b/core/dropdowndiv.ts
new file mode 100644
index 00000000000..c90661c4ea7
--- /dev/null
+++ b/core/dropdowndiv.ts
@@ -0,0 +1,774 @@
+/**
+ * @license
+ * Copyright 2016 Massachusetts Institute of Technology
+ * All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * A div that floats on top of the workspace, for drop-down menus.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.dropDownDiv
+
+import type {BlockSvg} from './block_svg.js';
+import * as common from './common.js';
+import * as dom from './utils/dom.js';
+import type {Field} from './field.js';
+import * as math from './utils/math.js';
+import {Rect} from './utils/rect.js';
+import type {Size} from './utils/size.js';
+import * as style from './utils/style.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * Arrow size in px. Should match the value in CSS
+ * (need to position pre-render).
+ */
+export const ARROW_SIZE = 16;
+
+/**
+ * Drop-down border size in px. Should match the value in CSS (need to position
+ * the arrow).
+ */
+export const BORDER_SIZE = 1;
+
+/**
+ * Amount the arrow must be kept away from the edges of the main drop-down div,
+ * in px.
+ */
+export const ARROW_HORIZONTAL_PADDING = 12;
+
+/** Amount drop-downs should be padded away from the source, in px. */
+export const PADDING_Y = 16;
+
+/** Length of animations in seconds. */
+export const ANIMATION_TIME = 0.25;
+
+/**
+ * Timer for animation out, to be cleared if we need to immediately hide
+ * without disrupting new shows.
+ */
+let animateOutTimer: ReturnType<typeof setTimeout> | null = null;
+
+/** Callback for when the drop-down is hidden. */
+let onHide: Function | null = null;
+
+/** A class name representing the current owner's workspace renderer. */
+let renderedClassName = '';
+
+/** A class name representing the current owner's workspace theme. */
+let themeClassName = '';
+
+/** The content element. */
+let div: HTMLDivElement;
+
+/** The content element. */
+let content: HTMLDivElement;
+
+/** The arrow element. */
+let arrow: HTMLDivElement;
+
+/**
+ * Drop-downs will appear within the bounds of this element if possible.
+ * Set in setBoundsElement.
+ */
+let boundsElement: Element | null = null;
+
+/** The object currently using the drop-down. */
+let owner: Field | null = null;
+
+/** Whether the dropdown was positioned to a field or the source block. */
+let positionToField: boolean | null = null;
+
+/**
+ * Dropdown bounds info object used to encapsulate sizing information about a
+ * bounding element (bounding box and width/height).
+ */
+export interface BoundsInfo {
+  top: number;
+  left: number;
+  bottom: number;
+  right: number;
+  width: number;
+  height: number;
+}
+
+/** Dropdown position metrics. */
+export interface PositionMetrics {
+  initialX: number;
+  initialY: number;
+  finalX: number;
+  finalY: number;
+  arrowX: number | null;
+  arrowY: number | null;
+  arrowAtTop: boolean | null;
+  arrowVisible: boolean;
+}
+
+/**
+ * Create and insert the DOM element for this div.
+ *
+ * @internal
+ */
+export function createDom() {
+  if (document.querySelector('.blocklyDropDownDiv')) {
+    return; // Already created.
+  }
+  div = document.createElement('div');
+  div.className = 'blocklyDropDownDiv';
+  const parentDiv = common.getParentContainer() || document.body;
+  parentDiv.appendChild(div);
+
+  content = document.createElement('div');
+  content.className = 'blocklyDropDownContent';
+  div.appendChild(content);
+
+  arrow = document.createElement('div');
+  arrow.className = 'blocklyDropDownArrow';
+  div.appendChild(arrow);
+
+  div.style.opacity = '0';
+  // Transition animation for transform: translate() and opacity.
+  div.style.transition =
+    'transform ' + ANIMATION_TIME + 's, ' + 'opacity ' + ANIMATION_TIME + 's';
+
+  // Handle focusin/out events to add a visual indicator when
+  // a child is focused or blurred.
+  div.addEventListener('focusin', function () {
+    dom.addClass(div, 'blocklyFocused');
+  });
+  div.addEventListener('focusout', function () {
+    dom.removeClass(div, 'blocklyFocused');
+  });
+}
+
+/**
+ * Set an element to maintain bounds within. Drop-downs will appear
+ * within the box of this element if possible.
+ *
+ * @param boundsElem Element to bind drop-down to.
+ */
+export function setBoundsElement(boundsElem: Element | null) {
+  boundsElement = boundsElem;
+}
+
+/**
+ * @returns The field that currently owns this, or null.
+ */
+export function getOwner(): Field | null {
+  return owner;
+}
+
+/**
+ * Provide the div for inserting content into the drop-down.
+ *
+ * @returns Div to populate with content.
+ */
+export function getContentDiv(): Element {
+  return content;
+}
+
+/** Clear the content of the drop-down. */
+export function clearContent() {
+  content.textContent = '';
+  content.style.width = '';
+}
+
+/**
+ * Set the colour for the drop-down.
+ *
+ * @param backgroundColour Any CSS colour for the background.
+ * @param borderColour Any CSS colour for the border.
+ */
+export function setColour(backgroundColour: string, borderColour: string) {
+  div.style.backgroundColor = backgroundColour;
+  div.style.borderColor = borderColour;
+}
+
+/**
+ * Shortcut to show and place the drop-down with positioning determined
+ * by a particular block. The primary position will be below the block,
+ * and the secondary position above the block. Drop-down will be
+ * constrained to the block's workspace.
+ *
+ * @param field The field showing the drop-down.
+ * @param block Block to position the drop-down around.
+ * @param opt_onHide Optional callback for when the drop-down is hidden.
+ * @param opt_secondaryYOffset Optional Y offset for above-block positioning.
+ * @returns True if the menu rendered below block; false if above.
+ */
+export function showPositionedByBlock<T>(
+  field: Field<T>,
+  block: BlockSvg,
+  opt_onHide?: Function,
+  opt_secondaryYOffset?: number,
+): boolean {
+  return showPositionedByRect(
+    getScaledBboxOfBlock(block),
+    field as Field,
+    opt_onHide,
+    opt_secondaryYOffset,
+  );
+}
+
+/**
+ * Shortcut to show and place the drop-down with positioning determined
+ * by a particular field. The primary position will be below the field,
+ * and the secondary position above the field. Drop-down will be
+ * constrained to the block's workspace.
+ *
+ * @param field The field to position the dropdown against.
+ * @param opt_onHide Optional callback for when the drop-down is hidden.
+ * @param opt_secondaryYOffset Optional Y offset for above-block positioning.
+ * @returns True if the menu rendered below block; false if above.
+ */
+export function showPositionedByField<T>(
+  field: Field<T>,
+  opt_onHide?: Function,
+  opt_secondaryYOffset?: number,
+): boolean {
+  positionToField = true;
+  return showPositionedByRect(
+    getScaledBboxOfField(field as Field),
+    field as Field,
+    opt_onHide,
+    opt_secondaryYOffset,
+  );
+}
+/**
+ * Get the scaled bounding box of a block.
+ *
+ * @param block The block.
+ * @returns The scaled bounding box of the block.
+ */
+function getScaledBboxOfBlock(block: BlockSvg): Rect {
+  const blockSvg = block.getSvgRoot();
+  const scale = block.workspace.scale;
+  const scaledHeight = block.height * scale;
+  const scaledWidth = block.width * scale;
+  const xy = style.getPageOffset(blockSvg);
+  return new Rect(xy.y, xy.y + scaledHeight, xy.x, xy.x + scaledWidth);
+}
+
+/**
+ * Get the scaled bounding box of a field.
+ *
+ * @param field The field.
+ * @returns The scaled bounding box of the field.
+ */
+function getScaledBboxOfField(field: Field): Rect {
+  const bBox = field.getScaledBBox();
+  return new Rect(bBox.top, bBox.bottom, bBox.left, bBox.right);
+}
+
+/**
+ * Helper method to show and place the drop-down with positioning determined
+ * by a scaled bounding box.  The primary position will be below the rect,
+ * and the secondary position above the rect. Drop-down will be constrained to
+ * the block's workspace.
+ *
+ * @param bBox The scaled bounding box.
+ * @param field The field to position the dropdown against.
+ * @param opt_onHide Optional callback for when the drop-down is hidden.
+ * @param opt_secondaryYOffset Optional Y offset for above-block positioning.
+ * @returns True if the menu rendered below block; false if above.
+ */
+function showPositionedByRect(
+  bBox: Rect,
+  field: Field,
+  opt_onHide?: Function,
+  opt_secondaryYOffset?: number,
+): boolean {
+  // If we can fit it, render below the block.
+  const primaryX = bBox.left + (bBox.right - bBox.left) / 2;
+  const primaryY = bBox.bottom;
+  // If we can't fit it, render above the entire parent block.
+  const secondaryX = primaryX;
+  let secondaryY = bBox.top;
+  if (opt_secondaryYOffset) {
+    secondaryY += opt_secondaryYOffset;
+  }
+  const sourceBlock = field.getSourceBlock() as BlockSvg;
+  // Set bounds to main workspace; show the drop-down.
+  let workspace = sourceBlock.workspace;
+  while (workspace.options.parentWorkspace) {
+    workspace = workspace.options.parentWorkspace;
+  }
+  setBoundsElement(workspace.getParentSvg().parentNode as Element | null);
+  return show(
+    field,
+    sourceBlock.RTL,
+    primaryX,
+    primaryY,
+    secondaryX,
+    secondaryY,
+    opt_onHide,
+  );
+}
+
+/**
+ * Show and place the drop-down.
+ * The drop-down is placed with an absolute "origin point" (x, y) - i.e.,
+ * the arrow will point at this origin and box will positioned below or above
+ * it.  If we can maintain the container bounds at the primary point, the arrow
+ * will point there, and the container will be positioned below it.
+ * If we can't maintain the container bounds at the primary point, fall-back to
+ * the secondary point and position above.
+ *
+ * @param newOwner The object showing the drop-down
+ * @param rtl Right-to-left (true) or left-to-right (false).
+ * @param primaryX Desired origin point x, in absolute px.
+ * @param primaryY Desired origin point y, in absolute px.
+ * @param secondaryX Secondary/alternative origin point x, in absolute px.
+ * @param secondaryY Secondary/alternative origin point y, in absolute px.
+ * @param opt_onHide Optional callback for when the drop-down is hidden.
+ * @returns True if the menu rendered at the primary origin point.
+ * @internal
+ */
+export function show<T>(
+  newOwner: Field<T>,
+  rtl: boolean,
+  primaryX: number,
+  primaryY: number,
+  secondaryX: number,
+  secondaryY: number,
+  opt_onHide?: Function,
+): boolean {
+  owner = newOwner as Field;
+  onHide = opt_onHide || null;
+  // Set direction.
+  div.style.direction = rtl ? 'rtl' : 'ltr';
+
+  const mainWorkspace = common.getMainWorkspace() as WorkspaceSvg;
+  renderedClassName = mainWorkspace.getRenderer().getClassName();
+  themeClassName = mainWorkspace.getTheme().getClassName();
+  if (renderedClassName) {
+    dom.addClass(div, renderedClassName);
+  }
+  if (themeClassName) {
+    dom.addClass(div, themeClassName);
+  }
+
+  // When we change `translate` multiple times in close succession,
+  // Chrome may choose to wait and apply them all at once.
+  // Since we want the translation to initial X, Y to be immediate,
+  // and the translation to final X, Y to be animated,
+  // we saw problems where both would be applied after animation was turned on,
+  // making the dropdown appear to fly in from (0, 0).
+  // Using both `left`, `top` for the initial translation and then `translate`
+  // for the animated transition to final X, Y is a workaround.
+  return positionInternal(primaryX, primaryY, secondaryX, secondaryY);
+}
+
+const internal = {
+  /**
+   * Get sizing info about the bounding element.
+   *
+   * @returns An object containing size information about the bounding element
+   *     (bounding box and width/height).
+   */
+  getBoundsInfo: function (): BoundsInfo {
+    const boundPosition = style.getPageOffset(boundsElement as Element);
+    const boundSize = style.getSize(boundsElement as Element);
+
+    return {
+      left: boundPosition.x,
+      right: boundPosition.x + boundSize.width,
+      top: boundPosition.y,
+      bottom: boundPosition.y + boundSize.height,
+      width: boundSize.width,
+      height: boundSize.height,
+    };
+  },
+
+  /**
+   * Helper to position the drop-down and the arrow, maintaining bounds.
+   * See explanation of origin points in show.
+   *
+   * @param primaryX Desired origin point x, in absolute px.
+   * @param primaryY Desired origin point y, in absolute px.
+   * @param secondaryX Secondary/alternative origin point x, in absolute px.
+   * @param secondaryY Secondary/alternative origin point y, in absolute px.
+   * @returns Various final metrics, including rendered positions for drop-down
+   *     and arrow.
+   */
+  getPositionMetrics: function (
+    primaryX: number,
+    primaryY: number,
+    secondaryX: number,
+    secondaryY: number,
+  ): PositionMetrics {
+    const boundsInfo = internal.getBoundsInfo();
+    const divSize = style.getSize(div as Element);
+
+    // Can we fit in-bounds below the target?
+    if (primaryY + divSize.height < boundsInfo.bottom) {
+      return getPositionBelowMetrics(primaryX, primaryY, boundsInfo, divSize);
+    }
+    // Can we fit in-bounds above the target?
+    if (secondaryY - divSize.height > boundsInfo.top) {
+      return getPositionAboveMetrics(
+        secondaryX,
+        secondaryY,
+        boundsInfo,
+        divSize,
+      );
+    }
+    // Can we fit outside the workspace bounds (but inside the window)
+    // below?
+    if (primaryY + divSize.height < document.documentElement.clientHeight) {
+      return getPositionBelowMetrics(primaryX, primaryY, boundsInfo, divSize);
+    }
+    // Can we fit outside the workspace bounds (but inside the window)
+    // above?
+    if (secondaryY - divSize.height > document.documentElement.clientTop) {
+      return getPositionAboveMetrics(
+        secondaryX,
+        secondaryY,
+        boundsInfo,
+        divSize,
+      );
+    }
+
+    // Last resort, render at top of page.
+    return getPositionTopOfPageMetrics(primaryX, boundsInfo, divSize);
+  },
+};
+
+/**
+ * Get the metrics for positioning the div below the source.
+ *
+ * @param primaryX Desired origin point x, in absolute px.
+ * @param primaryY Desired origin point y, in absolute px.
+ * @param boundsInfo An object containing size information about the bounding
+ *     element (bounding box and width/height).
+ * @param divSize An object containing information about the size of the
+ *     DropDownDiv (width & height).
+ * @returns Various final metrics, including rendered positions for drop-down
+ *     and arrow.
+ */
+function getPositionBelowMetrics(
+  primaryX: number,
+  primaryY: number,
+  boundsInfo: BoundsInfo,
+  divSize: Size,
+): PositionMetrics {
+  const xCoords = getPositionX(
+    primaryX,
+    boundsInfo.left,
+    boundsInfo.right,
+    divSize.width,
+  );
+
+  const arrowY = -(ARROW_SIZE / 2 + BORDER_SIZE);
+  const finalY = primaryY + PADDING_Y;
+
+  return {
+    initialX: xCoords.divX,
+    initialY: primaryY,
+    finalX: xCoords.divX, // X position remains constant during animation.
+    finalY,
+    arrowX: xCoords.arrowX,
+    arrowY,
+    arrowAtTop: true,
+    arrowVisible: true,
+  };
+}
+
+/**
+ * Get the metrics for positioning the div above the source.
+ *
+ * @param secondaryX Secondary/alternative origin point x, in absolute px.
+ * @param secondaryY Secondary/alternative origin point y, in absolute px.
+ * @param boundsInfo An object containing size information about the bounding
+ *     element (bounding box and width/height).
+ * @param divSize An object containing information about the size of the
+ *     DropDownDiv (width & height).
+ * @returns Various final metrics, including rendered positions for drop-down
+ *     and arrow.
+ */
+function getPositionAboveMetrics(
+  secondaryX: number,
+  secondaryY: number,
+  boundsInfo: BoundsInfo,
+  divSize: Size,
+): PositionMetrics {
+  const xCoords = getPositionX(
+    secondaryX,
+    boundsInfo.left,
+    boundsInfo.right,
+    divSize.width,
+  );
+
+  const arrowY = divSize.height - BORDER_SIZE * 2 - ARROW_SIZE / 2;
+  const finalY = secondaryY - divSize.height - PADDING_Y;
+  const initialY = secondaryY - divSize.height; // No padding on Y.
+
+  return {
+    initialX: xCoords.divX,
+    initialY,
+    finalX: xCoords.divX, // X position remains constant during animation.
+    finalY,
+    arrowX: xCoords.arrowX,
+    arrowY,
+    arrowAtTop: false,
+    arrowVisible: true,
+  };
+}
+
+/**
+ * Get the metrics for positioning the div at the top of the page.
+ *
+ * @param sourceX Desired origin point x, in absolute px.
+ * @param boundsInfo An object containing size information about the bounding
+ *     element (bounding box and width/height).
+ * @param divSize An object containing information about the size of the
+ *     DropDownDiv (width & height).
+ * @returns Various final metrics, including rendered positions for drop-down
+ *     and arrow.
+ */
+function getPositionTopOfPageMetrics(
+  sourceX: number,
+  boundsInfo: BoundsInfo,
+  divSize: Size,
+): PositionMetrics {
+  const xCoords = getPositionX(
+    sourceX,
+    boundsInfo.left,
+    boundsInfo.right,
+    divSize.width,
+  );
+
+  // No need to provide arrow-specific information because it won't be visible.
+  return {
+    initialX: xCoords.divX,
+    initialY: 0,
+    finalX: xCoords.divX, // X position remains constant during animation.
+    finalY: 0, // Y position remains constant during animation.
+    arrowAtTop: null,
+    arrowX: null,
+    arrowY: null,
+    arrowVisible: false,
+  };
+}
+
+/**
+ * Get the x positions for the left side of the DropDownDiv and the arrow,
+ * accounting for the bounds of the workspace.
+ *
+ * @param sourceX Desired origin point x, in absolute px.
+ * @param boundsLeft The left edge of the bounding element, in absolute px.
+ * @param boundsRight The right edge of the bounding element, in absolute px.
+ * @param divWidth The width of the div in px.
+ * @returns An object containing metrics for the x positions of the left side of
+ *     the DropDownDiv and the arrow.
+ * @internal
+ */
+export function getPositionX(
+  sourceX: number,
+  boundsLeft: number,
+  boundsRight: number,
+  divWidth: number,
+): {divX: number; arrowX: number} {
+  let divX = sourceX;
+  // Offset the topLeft coord so that the dropdowndiv is centered.
+  divX -= divWidth / 2;
+  // Fit the dropdowndiv within the bounds of the workspace.
+  divX = math.clamp(boundsLeft, divX, boundsRight - divWidth);
+
+  let arrowX = sourceX;
+  // Offset the arrow coord so that the arrow is centered.
+  arrowX -= ARROW_SIZE / 2;
+  // Convert the arrow position to be relative to the top left of the div.
+  let relativeArrowX = arrowX - divX;
+  const horizPadding = ARROW_HORIZONTAL_PADDING;
+  // Clamp the arrow position so that it stays attached to the dropdowndiv.
+  relativeArrowX = math.clamp(
+    horizPadding,
+    relativeArrowX,
+    divWidth - horizPadding - ARROW_SIZE,
+  );
+
+  return {arrowX: relativeArrowX, divX};
+}
+
+/**
+ * Is the container visible?
+ *
+ * @returns True if visible.
+ */
+export function isVisible(): boolean {
+  return !!owner;
+}
+
+/**
+ * Hide the menu only if it is owned by the provided object.
+ *
+ * @param divOwner Object which must be owning the drop-down to hide.
+ * @param opt_withoutAnimation True if we should hide the dropdown without
+ *     animating.
+ * @returns True if hidden.
+ */
+export function hideIfOwner<T>(
+  divOwner: Field<T>,
+  opt_withoutAnimation?: boolean,
+): boolean {
+  if (owner === divOwner) {
+    if (opt_withoutAnimation) {
+      hideWithoutAnimation();
+    } else {
+      hide();
+    }
+    return true;
+  }
+  return false;
+}
+
+/** Hide the menu, triggering animation. */
+export function hide() {
+  // Start the animation by setting the translation and fading out.
+  // Reset to (initialX, initialY) - i.e., no translation.
+  div.style.transform = 'translate(0, 0)';
+  div.style.opacity = '0';
+  // Finish animation - reset all values to default.
+  animateOutTimer = setTimeout(function () {
+    hideWithoutAnimation();
+  }, ANIMATION_TIME * 1000);
+  if (onHide) {
+    onHide();
+    onHide = null;
+  }
+}
+
+/** Hide the menu, without animation. */
+export function hideWithoutAnimation() {
+  if (!isVisible()) {
+    return;
+  }
+  if (animateOutTimer) {
+    clearTimeout(animateOutTimer);
+  }
+
+  // Reset style properties in case this gets called directly
+  // instead of hide() - see discussion on #2551.
+  div.style.transform = '';
+  div.style.left = '';
+  div.style.top = '';
+  div.style.opacity = '0';
+  div.style.display = 'none';
+  div.style.backgroundColor = '';
+  div.style.borderColor = '';
+
+  if (onHide) {
+    onHide();
+    onHide = null;
+  }
+  clearContent();
+  owner = null;
+
+  if (renderedClassName) {
+    dom.removeClass(div, renderedClassName);
+    renderedClassName = '';
+  }
+  if (themeClassName) {
+    dom.removeClass(div, themeClassName);
+    themeClassName = '';
+  }
+  (common.getMainWorkspace() as WorkspaceSvg).markFocused();
+}
+
+/**
+ * Set the dropdown div's position.
+ *
+ * @param primaryX Desired origin point x, in absolute px.
+ * @param primaryY Desired origin point y, in absolute px.
+ * @param secondaryX Secondary/alternative origin point x, in absolute px.
+ * @param secondaryY Secondary/alternative origin point y, in absolute px.
+ * @returns True if the menu rendered at the primary origin point.
+ */
+function positionInternal(
+  primaryX: number,
+  primaryY: number,
+  secondaryX: number,
+  secondaryY: number,
+): boolean {
+  const metrics = internal.getPositionMetrics(
+    primaryX,
+    primaryY,
+    secondaryX,
+    secondaryY,
+  );
+
+  // Update arrow CSS.
+  if (metrics.arrowVisible) {
+    arrow.style.display = '';
+    arrow.style.transform =
+      'translate(' +
+      metrics.arrowX +
+      'px,' +
+      metrics.arrowY +
+      'px) rotate(45deg)';
+    arrow.setAttribute(
+      'class',
+      metrics.arrowAtTop
+        ? 'blocklyDropDownArrow blocklyArrowTop'
+        : 'blocklyDropDownArrow blocklyArrowBottom',
+    );
+  } else {
+    arrow.style.display = 'none';
+  }
+
+  const initialX = Math.floor(metrics.initialX);
+  const initialY = Math.floor(metrics.initialY);
+  const finalX = Math.floor(metrics.finalX);
+  const finalY = Math.floor(metrics.finalY);
+
+  // First apply initial translation.
+  div.style.left = initialX + 'px';
+  div.style.top = initialY + 'px';
+
+  // Show the div.
+  div.style.display = 'block';
+  div.style.opacity = '1';
+  // Add final translate, animated through `transition`.
+  // Coordinates are relative to (initialX, initialY),
+  // where the drop-down is absolutely positioned.
+  const dx = finalX - initialX;
+  const dy = finalY - initialY;
+  div.style.transform = 'translate(' + dx + 'px,' + dy + 'px)';
+
+  return !!metrics.arrowAtTop;
+}
+
+/**
+ * Repositions the dropdownDiv on window resize. If it doesn't know how to
+ * calculate the new position, it will just hide it instead.
+ *
+ * @internal
+ */
+export function repositionForWindowResize() {
+  // This condition mainly catches the dropdown div when it is being used as a
+  // dropdown.  It is important not to close it in this case because on Android,
+  // when a field is focused, the soft keyboard opens triggering a window resize
+  // event and we want the dropdown div to stick around so users can type into
+  // it.
+  if (owner) {
+    const block = owner.getSourceBlock() as BlockSvg;
+    const bBox = positionToField
+      ? getScaledBboxOfField(owner)
+      : getScaledBboxOfBlock(block);
+    // If we can fit it, render below the block.
+    const primaryX = bBox.left + (bBox.right - bBox.left) / 2;
+    const primaryY = bBox.bottom;
+    // If we can't fit it, render above the entire parent block.
+    const secondaryX = primaryX;
+    const secondaryY = bBox.top;
+    positionInternal(primaryX, primaryY, secondaryX, secondaryY);
+  } else {
+    hide();
+  }
+}
+
+export const TEST_ONLY = internal;
diff --git a/core/events.js b/core/events.js
deleted file mode 100644
index e803af0ab35..00000000000
--- a/core/events.js
+++ /dev/null
@@ -1,387 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Events fired as a result of actions in Blockly's editor.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * Events fired as a result of actions in Blockly's editor.
- * @namespace Blockly.Events
- */
-goog.provide('Blockly.Events');
-
-goog.require('Blockly.registry');
-goog.require('Blockly.utils');
-
-
-/**
- * Group ID for new events.  Grouped events are indivisible.
- * @type {string}
- * @private
- */
-Blockly.Events.group_ = '';
-
-/**
- * Sets whether the next event should be added to the undo stack.
- * @type {boolean}
- */
-Blockly.Events.recordUndo = true;
-
-/**
- * Allow change events to be created and fired.
- * @type {number}
- * @private
- */
-Blockly.Events.disabled_ = 0;
-
-/**
- * Name of event that creates a block. Will be deprecated for BLOCK_CREATE.
- * @const
- */
-Blockly.Events.CREATE = 'create';
-
-/**
- * Name of event that creates a block.
- * @const
- */
-Blockly.Events.BLOCK_CREATE = Blockly.Events.CREATE;
-
-/**
- * Name of event that deletes a block. Will be deprecated for BLOCK_DELETE.
- * @const
- */
-Blockly.Events.DELETE = 'delete';
-
-/**
- * Name of event that deletes a block.
- * @const
- */
-Blockly.Events.BLOCK_DELETE = Blockly.Events.DELETE;
-
-/**
- * Name of event that changes a block. Will be deprecated for BLOCK_CHANGE.
- * @const
- */
-Blockly.Events.CHANGE = 'change';
-
-/**
- * Name of event that changes a block.
- * @const
- */
-Blockly.Events.BLOCK_CHANGE = Blockly.Events.CHANGE;
-
-/**
- * Name of event that moves a block. Will be deprecated for BLOCK_MOVE.
- * @const
- */
-Blockly.Events.MOVE = 'move';
-
-/**
- * Name of event that moves a block.
- * @const
- */
-Blockly.Events.BLOCK_MOVE = Blockly.Events.MOVE;
-
-/**
- * Name of event that creates a variable.
- * @const
- */
-Blockly.Events.VAR_CREATE = 'var_create';
-
-/**
- * Name of event that deletes a variable.
- * @const
- */
-Blockly.Events.VAR_DELETE = 'var_delete';
-
-/**
- * Name of event that renames a variable.
- * @const
- */
-Blockly.Events.VAR_RENAME = 'var_rename';
-
-/**
- * Name of event that records a UI change.
- * @const
- */
-Blockly.Events.UI = 'ui';
-
-/**
- * Name of event that creates a comment.
- * @const
- */
-Blockly.Events.COMMENT_CREATE = 'comment_create';
-
-/**
- * Name of event that deletes a comment.
- * @const
- */
-Blockly.Events.COMMENT_DELETE = 'comment_delete';
-
-/**
- * Name of event that changes a comment.
- * @const
- */
-Blockly.Events.COMMENT_CHANGE = 'comment_change';
-
-/**
- * Name of event that moves a comment.
- * @const
- */
-Blockly.Events.COMMENT_MOVE = 'comment_move';
-
-/**
- * Name of event that records a workspace load.
- */
-Blockly.Events.FINISHED_LOADING = 'finished_loading';
-
-/**
- * List of events that cause objects to be bumped back into the visible
- * portion of the workspace (only used for non-movable workspaces).
- *
- * Not to be confused with bumping so that disconnected connections to do
- * not appear connected.
- * @const
- */
-Blockly.Events.BUMP_EVENTS = [
-  Blockly.Events.BLOCK_CREATE,
-  Blockly.Events.BLOCK_MOVE,
-  Blockly.Events.COMMENT_CREATE,
-  Blockly.Events.COMMENT_MOVE
-];
-
-/**
- * List of events queued for firing.
- * @private
- */
-Blockly.Events.FIRE_QUEUE_ = [];
-
-/**
- * Create a custom event and fire it.
- * @param {!Blockly.Events.Abstract} event Custom data for event.
- */
-Blockly.Events.fire = function(event) {
-  if (!Blockly.Events.isEnabled()) {
-    return;
-  }
-  if (!Blockly.Events.FIRE_QUEUE_.length) {
-    // First event added; schedule a firing of the event queue.
-    setTimeout(Blockly.Events.fireNow_, 0);
-  }
-  Blockly.Events.FIRE_QUEUE_.push(event);
-};
-
-/**
- * Fire all queued events.
- * @private
- */
-Blockly.Events.fireNow_ = function() {
-  var queue = Blockly.Events.filter(Blockly.Events.FIRE_QUEUE_, true);
-  Blockly.Events.FIRE_QUEUE_.length = 0;
-  for (var i = 0, event; (event = queue[i]); i++) {
-    if (!event.workspaceId) {
-      continue;
-    }
-    var workspace = Blockly.Workspace.getById(event.workspaceId);
-    if (workspace) {
-      workspace.fireChangeListener(event);
-    }
-  }
-};
-
-/**
- * Filter the queued events and merge duplicates.
- * @param {!Array.<!Blockly.Events.Abstract>} queueIn Array of events.
- * @param {boolean} forward True if forward (redo), false if backward (undo).
- * @return {!Array.<!Blockly.Events.Abstract>} Array of filtered events.
- */
-Blockly.Events.filter = function(queueIn, forward) {
-  var queue = queueIn.slice();  // Shallow copy of queue.
-  if (!forward) {
-    // Undo is merged in reverse order.
-    queue.reverse();
-  }
-  var mergedQueue = [];
-  var hash = Object.create(null);
-  // Merge duplicates.
-  for (var i = 0, event; (event = queue[i]); i++) {
-    if (!event.isNull()) {
-      var key = [event.type, event.blockId, event.workspaceId].join(' ');
-
-      var lastEntry = hash[key];
-      var lastEvent = lastEntry ? lastEntry.event : null;
-      if (!lastEntry) {
-        // Each item in the hash table has the event and the index of that event
-        // in the input array.  This lets us make sure we only merge adjacent
-        // move events.
-        hash[key] = { event: event, index: i};
-        mergedQueue.push(event);
-      } else if (event.type == Blockly.Events.MOVE &&
-          lastEntry.index == i - 1) {
-        // Merge move events.
-        lastEvent.newParentId = event.newParentId;
-        lastEvent.newInputName = event.newInputName;
-        lastEvent.newCoordinate = event.newCoordinate;
-        lastEntry.index = i;
-      } else if (event.type == Blockly.Events.CHANGE &&
-          event.element == lastEvent.element &&
-          event.name == lastEvent.name) {
-        // Merge change events.
-        lastEvent.newValue = event.newValue;
-      } else if (event.type == Blockly.Events.UI &&
-          event.element == 'click' &&
-          (lastEvent.element == 'commentOpen' ||
-           lastEvent.element == 'mutatorOpen' ||
-           lastEvent.element == 'warningOpen')) {
-        // Drop click events caused by opening/closing bubbles.
-      } else {
-        // Collision: newer events should merge into this event to maintain
-        // order.
-        hash[key] = {event: event, index: 1};
-        mergedQueue.push(event);
-      }
-    }
-  }
-  // Filter out any events that have become null due to merging.
-  queue = mergedQueue.filter(function(e) { return !e.isNull(); });
-  if (!forward) {
-    // Restore undo order.
-    queue.reverse();
-  }
-  // Move mutation events to the top of the queue.
-  // Intentionally skip first event.
-  for (var i = 1, event; (event = queue[i]); i++) {
-    if (event.type == Blockly.Events.CHANGE &&
-        event.element == 'mutation') {
-      queue.unshift(queue.splice(i, 1)[0]);
-    }
-  }
-  return queue;
-};
-
-/**
- * Modify pending undo events so that when they are fired they don't land
- * in the undo stack.  Called by Blockly.Workspace.clearUndo.
- */
-Blockly.Events.clearPendingUndo = function() {
-  for (var i = 0, event; (event = Blockly.Events.FIRE_QUEUE_[i]); i++) {
-    event.recordUndo = false;
-  }
-};
-
-/**
- * Stop sending events.  Every call to this function MUST also call enable.
- */
-Blockly.Events.disable = function() {
-  Blockly.Events.disabled_++;
-};
-
-/**
- * Start sending events.  Unless events were already disabled when the
- * corresponding call to disable was made.
- */
-Blockly.Events.enable = function() {
-  Blockly.Events.disabled_--;
-};
-
-/**
- * Returns whether events may be fired or not.
- * @return {boolean} True if enabled.
- */
-Blockly.Events.isEnabled = function() {
-  return Blockly.Events.disabled_ == 0;
-};
-
-/**
- * Current group.
- * @return {string} ID string.
- */
-Blockly.Events.getGroup = function() {
-  return Blockly.Events.group_;
-};
-
-/**
- * Start or stop a group.
- * @param {boolean|string} state True to start new group, false to end group.
- *   String to set group explicitly.
- */
-Blockly.Events.setGroup = function(state) {
-  if (typeof state == 'boolean') {
-    Blockly.Events.group_ = state ? Blockly.utils.genUid() : '';
-  } else {
-    Blockly.Events.group_ = state;
-  }
-};
-
-/**
- * Compute a list of the IDs of the specified block and all its descendants.
- * @param {!Blockly.Block} block The root block.
- * @return {!Array.<string>} List of block IDs.
- * @package
- */
-Blockly.Events.getDescendantIds = function(block) {
-  var ids = [];
-  var descendants = block.getDescendants(false);
-  for (var i = 0, descendant; (descendant = descendants[i]); i++) {
-    ids[i] = descendant.id;
-  }
-  return ids;
-};
-
-/**
- * Decode the JSON into an event.
- * @param {!Object} json JSON representation.
- * @param {!Blockly.Workspace} workspace Target workspace for event.
- * @return {!Blockly.Events.Abstract} The event represented by the JSON.
- * @throws {Error} if an event type is not found in the registry.
- */
-Blockly.Events.fromJson = function(json, workspace) {
-  var eventClass = Blockly.registry.getClass(Blockly.registry.Type.EVENT,
-      json.type);
-  if (!eventClass) {
-    throw Error('Unknown event type.');
-  }
-  var event = new eventClass();
-  event.fromJson(json);
-  event.workspaceId = workspace.id;
-  return event;
-};
-
-/**
- * Enable/disable a block depending on whether it is properly connected.
- * Use this on applications where all blocks should be connected to a top block.
- * Recommend setting the 'disable' option to 'false' in the config so that
- * users don't try to re-enable disabled orphan blocks.
- * @param {!Blockly.Events.Abstract} event Custom data for event.
- */
-Blockly.Events.disableOrphans = function(event) {
-  if (event.type == Blockly.Events.MOVE ||
-      event.type == Blockly.Events.CREATE) {
-    if (!event.workspaceId) {
-      return;
-    }
-    var workspace = Blockly.Workspace.getById(event.workspaceId);
-    var block = workspace.getBlockById(event.blockId);
-    if (block) {
-      var parent = block.getParent();
-      if (parent && parent.isEnabled()) {
-        var children = block.getDescendants(false);
-        for (var i = 0, child; (child = children[i]); i++) {
-          child.setEnabled(true);
-        }
-      } else if ((block.outputConnection || block.previousConnection) &&
-                 !workspace.isDragging()) {
-        do {
-          block.setEnabled(false);
-          block = block.getNextBlock();
-        } while (block);
-      }
-    }
-  }
-};
diff --git a/core/events/events.ts b/core/events/events.ts
new file mode 100644
index 00000000000..bb8011755fc
--- /dev/null
+++ b/core/events/events.ts
@@ -0,0 +1,151 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Events
+
+import {Abstract, AbstractEventJson} from './events_abstract.js';
+import {BlockBase, BlockBaseJson} from './events_block_base.js';
+import {BlockChange, BlockChangeJson} from './events_block_change.js';
+import {BlockCreate, BlockCreateJson} from './events_block_create.js';
+import {BlockDelete, BlockDeleteJson} from './events_block_delete.js';
+import {BlockDrag, BlockDragJson} from './events_block_drag.js';
+import {
+  BlockFieldIntermediateChange,
+  BlockFieldIntermediateChangeJson,
+} from './events_block_field_intermediate_change.js';
+import {BlockMove, BlockMoveJson} from './events_block_move.js';
+import {BubbleOpen, BubbleOpenJson, BubbleType} from './events_bubble_open.js';
+import {Click, ClickJson, ClickTarget} from './events_click.js';
+import {CommentBase, CommentBaseJson} from './events_comment_base.js';
+import {CommentChange, CommentChangeJson} from './events_comment_change.js';
+import {CommentCreate, CommentCreateJson} from './events_comment_create.js';
+import {CommentDelete} from './events_comment_delete.js';
+import {CommentMove, CommentMoveJson} from './events_comment_move.js';
+import {
+  CommentCollapse,
+  CommentCollapseJson,
+} from './events_comment_collapse.js';
+import {MarkerMove, MarkerMoveJson} from './events_marker_move.js';
+import {Selected, SelectedJson} from './events_selected.js';
+import {ThemeChange, ThemeChangeJson} from './events_theme_change.js';
+import {
+  ToolboxItemSelect,
+  ToolboxItemSelectJson,
+} from './events_toolbox_item_select.js';
+import {TrashcanOpen, TrashcanOpenJson} from './events_trashcan_open.js';
+import {UiBase} from './events_ui_base.js';
+import {VarBase, VarBaseJson} from './events_var_base.js';
+import {VarCreate, VarCreateJson} from './events_var_create.js';
+import {VarDelete, VarDeleteJson} from './events_var_delete.js';
+import {VarRename, VarRenameJson} from './events_var_rename.js';
+import {ViewportChange, ViewportChangeJson} from './events_viewport.js';
+import * as eventUtils from './utils.js';
+import {FinishedLoading} from './workspace_events.js';
+
+// Events.
+export {Abstract};
+export {AbstractEventJson};
+export {BubbleOpen};
+export {BubbleOpenJson};
+export {BubbleType};
+export {BlockBase};
+export {BlockBaseJson};
+export {BlockChange};
+export {BlockChangeJson};
+export {BlockCreate};
+export {BlockCreateJson};
+export {BlockDelete};
+export {BlockDeleteJson};
+export {BlockDrag};
+export {BlockDragJson};
+export {BlockFieldIntermediateChange};
+export {BlockFieldIntermediateChangeJson};
+export {BlockMove};
+export {BlockMoveJson};
+export {Click};
+export {ClickJson};
+export {ClickTarget};
+export {CommentBase};
+export {CommentBaseJson};
+export {CommentChange};
+export {CommentChangeJson};
+export {CommentCreate};
+export {CommentCreateJson};
+export {CommentDelete};
+export {CommentMove};
+export {CommentMoveJson};
+export {CommentCollapse};
+export {CommentCollapseJson};
+export {FinishedLoading};
+export {MarkerMove};
+export {MarkerMoveJson};
+export {Selected};
+export {SelectedJson};
+export {ThemeChange};
+export {ThemeChangeJson};
+export {ToolboxItemSelect};
+export {ToolboxItemSelectJson};
+export {TrashcanOpen};
+export {TrashcanOpenJson};
+export {UiBase};
+export {VarBase};
+export {VarBaseJson};
+export {VarCreate};
+export {VarCreateJson};
+export {VarDelete};
+export {VarDeleteJson};
+export {VarRename};
+export {VarRenameJson};
+export {ViewportChange};
+export {ViewportChangeJson};
+
+// Event types.
+export const BLOCK_CHANGE = eventUtils.BLOCK_CHANGE;
+export const BLOCK_CREATE = eventUtils.BLOCK_CREATE;
+export const BLOCK_DELETE = eventUtils.BLOCK_DELETE;
+export const BLOCK_DRAG = eventUtils.BLOCK_DRAG;
+export const BLOCK_MOVE = eventUtils.BLOCK_MOVE;
+export const BLOCK_FIELD_INTERMEDIATE_CHANGE =
+  eventUtils.BLOCK_FIELD_INTERMEDIATE_CHANGE;
+export const BUBBLE_OPEN = eventUtils.BUBBLE_OPEN;
+export type BumpEvent = eventUtils.BumpEvent;
+export const BUMP_EVENTS = eventUtils.BUMP_EVENTS;
+export const CHANGE = eventUtils.CHANGE;
+export const CLICK = eventUtils.CLICK;
+export const COMMENT_CHANGE = eventUtils.COMMENT_CHANGE;
+export const COMMENT_CREATE = eventUtils.COMMENT_CREATE;
+export const COMMENT_DELETE = eventUtils.COMMENT_DELETE;
+export const COMMENT_MOVE = eventUtils.COMMENT_MOVE;
+export const CREATE = eventUtils.CREATE;
+export const DELETE = eventUtils.DELETE;
+export const FINISHED_LOADING = eventUtils.FINISHED_LOADING;
+export const MARKER_MOVE = eventUtils.MARKER_MOVE;
+export const MOVE = eventUtils.MOVE;
+export const SELECTED = eventUtils.SELECTED;
+export const THEME_CHANGE = eventUtils.THEME_CHANGE;
+export const TOOLBOX_ITEM_SELECT = eventUtils.TOOLBOX_ITEM_SELECT;
+export const TRASHCAN_OPEN = eventUtils.TRASHCAN_OPEN;
+export const UI = eventUtils.UI;
+export const VAR_CREATE = eventUtils.VAR_CREATE;
+export const VAR_DELETE = eventUtils.VAR_DELETE;
+export const VAR_RENAME = eventUtils.VAR_RENAME;
+export const VIEWPORT_CHANGE = eventUtils.VIEWPORT_CHANGE;
+
+// Event utils.
+export const clearPendingUndo = eventUtils.clearPendingUndo;
+export const disable = eventUtils.disable;
+export const enable = eventUtils.enable;
+export const filter = eventUtils.filter;
+export const fire = eventUtils.fire;
+export const fromJson = eventUtils.fromJson;
+export const getDescendantIds = eventUtils.getDescendantIds;
+export const get = eventUtils.get;
+export const getGroup = eventUtils.getGroup;
+export const getRecordUndo = eventUtils.getRecordUndo;
+export const isEnabled = eventUtils.isEnabled;
+export const setGroup = eventUtils.setGroup;
+export const setRecordUndo = eventUtils.setRecordUndo;
+export const disableOrphans = eventUtils.disableOrphans;
diff --git a/core/events/events_abstract.ts b/core/events/events_abstract.ts
new file mode 100644
index 00000000000..31ff0a924dd
--- /dev/null
+++ b/core/events/events_abstract.ts
@@ -0,0 +1,131 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Abstract class for events fired as a result of actions in
+ * Blockly's editor.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.Abstract
+
+import * as common from '../common.js';
+import type {Workspace} from '../workspace.js';
+
+import * as eventUtils from './utils.js';
+
+/**
+ * Abstract class for an event.
+ */
+export abstract class Abstract {
+  /**
+   * Whether or not the event was constructed without necessary parameters
+   * (to be populated by fromJson).
+   */
+  abstract isBlank: boolean;
+
+  /** The workspace identifier for this event. */
+  workspaceId?: string = undefined;
+
+  /**
+   * An ID for the group of events this block is associated with.
+   *
+   * Groups define events that should be treated as an single action from the
+   * user's perspective, and should be undone together.
+   */
+  group: string;
+
+  /** Whether this event is undoable or not. */
+  recordUndo: boolean;
+
+  /** Whether or not the event is a UI event. */
+  isUiEvent = false;
+
+  /** Type of this event. */
+  type = '';
+
+  constructor() {
+    this.group = eventUtils.getGroup();
+    this.recordUndo = eventUtils.getRecordUndo();
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  toJson(): AbstractEventJson {
+    return {
+      'type': this.type,
+      'group': this.group,
+    };
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of Abstract (like all events), but we can't specify that due to the
+   *     fact that parameters to static methods in subclasses must be
+   *     supertypes of parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: AbstractEventJson,
+    workspace: Workspace,
+    event: any,
+  ): Abstract {
+    event.isBlank = false;
+    event.group = json['group'] || '';
+    event.workspaceId = workspace.id;
+    return event;
+  }
+
+  /**
+   * Does this event record any change of state?
+   *
+   * @returns True if null, false if something changed.
+   */
+  isNull(): boolean {
+    return false;
+  }
+
+  /**
+   * Run an event.
+   *
+   * @param _forward True if run forward, false if run backward (undo).
+   */
+  run(_forward: boolean) {
+    // Defined by subclasses. Cannot be abstract b/c UI events do /not/ define
+    // this.
+  }
+
+  /**
+   * Get workspace the event belongs to.
+   *
+   * @returns The workspace the event belongs to.
+   * @throws {Error} if workspace is null.
+   * @internal
+   */
+  getEventWorkspace_(): Workspace {
+    let workspace;
+    if (this.workspaceId) {
+      workspace = common.getWorkspaceById(this.workspaceId);
+    }
+    if (!workspace) {
+      throw Error(
+        'Workspace is null. Event must have been generated from real' +
+          ' Blockly events.',
+      );
+    }
+    return workspace;
+  }
+}
+
+export interface AbstractEventJson {
+  type: string;
+  group: string;
+}
diff --git a/core/events/events_block_base.ts b/core/events/events_block_base.ts
new file mode 100644
index 00000000000..350985428a3
--- /dev/null
+++ b/core/events/events_block_base.ts
@@ -0,0 +1,88 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Base class for all types of block events.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.BlockBase
+
+import type {Block} from '../block.js';
+import type {Workspace} from '../workspace.js';
+
+import {
+  Abstract as AbstractEvent,
+  AbstractEventJson,
+} from './events_abstract.js';
+
+/**
+ * Abstract class for any event related to blocks.
+ */
+export class BlockBase extends AbstractEvent {
+  override isBlank = true;
+
+  /** The ID of the block associated with this event. */
+  blockId?: string;
+
+  /**
+   * @param opt_block The block this event corresponds to.
+   *     Undefined for a blank event.
+   */
+  constructor(opt_block?: Block) {
+    super();
+    this.isBlank = !opt_block;
+
+    if (!opt_block) return;
+
+    this.blockId = opt_block.id;
+    this.workspaceId = opt_block.workspace.id;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): BlockBaseJson {
+    const json = super.toJson() as BlockBaseJson;
+    if (!this.blockId) {
+      throw new Error(
+        'The block ID is undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    json['blockId'] = this.blockId;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of BlockBase, but we can't specify that due to the fact that parameters
+   *     to static methods in subclasses must be supertypes of parameters to
+   *     static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: BlockBaseJson,
+    workspace: Workspace,
+    event?: any,
+  ): BlockBase {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new BlockBase(),
+    ) as BlockBase;
+    newEvent.blockId = json['blockId'];
+    return newEvent;
+  }
+}
+
+export interface BlockBaseJson extends AbstractEventJson {
+  blockId: string;
+}
diff --git a/core/events/events_block_change.ts b/core/events/events_block_change.ts
new file mode 100644
index 00000000000..570b7f58e2c
--- /dev/null
+++ b/core/events/events_block_change.ts
@@ -0,0 +1,259 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Class for a block change event.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.BlockChange
+
+import type {Block} from '../block.js';
+import type {BlockSvg} from '../block_svg.js';
+import {IconType} from '../icons/icon_types.js';
+import {hasBubble} from '../interfaces/i_has_bubble.js';
+import {MANUALLY_DISABLED} from '../constants.js';
+import * as registry from '../registry.js';
+import * as utilsXml from '../utils/xml.js';
+import {Workspace} from '../workspace.js';
+import * as Xml from '../xml.js';
+
+import {BlockBase, BlockBaseJson} from './events_block_base.js';
+import * as eventUtils from './utils.js';
+
+/**
+ * Notifies listeners when some element of a block has changed (e.g.
+ * field values, comments, etc).
+ */
+export class BlockChange extends BlockBase {
+  override type = eventUtils.BLOCK_CHANGE;
+  /**
+   * The element that changed; one of 'field', 'comment', 'collapsed',
+   * 'disabled', 'inline', or 'mutation'
+   */
+  element?: string;
+
+  /** The name of the field that changed, if this is a change to a field. */
+  name?: string;
+
+  /** The original value of the element. */
+  oldValue: unknown;
+
+  /** The new value of the element. */
+  newValue: unknown;
+
+  /**
+   * If element is 'disabled', this is the language-neutral identifier of the
+   * reason why the block was or was not disabled.
+   */
+  private disabledReason?: string;
+
+  /**
+   * @param opt_block The changed block.  Undefined for a blank event.
+   * @param opt_element One of 'field', 'comment', 'disabled', etc.
+   * @param opt_name Name of input or field affected, or null.
+   * @param opt_oldValue Previous value of element.
+   * @param opt_newValue New value of element.
+   */
+  constructor(
+    opt_block?: Block,
+    opt_element?: string,
+    opt_name?: string | null,
+    opt_oldValue?: unknown,
+    opt_newValue?: unknown,
+  ) {
+    super(opt_block);
+
+    if (!opt_block) {
+      return; // Blank event to be populated by fromJson.
+    }
+    this.element = opt_element;
+    this.name = opt_name || undefined;
+    this.oldValue = opt_oldValue;
+    this.newValue = opt_newValue;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): BlockChangeJson {
+    const json = super.toJson() as BlockChangeJson;
+    if (!this.element) {
+      throw new Error(
+        'The changed element is undefined. Either pass an ' +
+          'element to the constructor, or call fromJson',
+      );
+    }
+    json['element'] = this.element;
+    json['name'] = this.name;
+    json['oldValue'] = this.oldValue;
+    json['newValue'] = this.newValue;
+    if (this.disabledReason) {
+      json['disabledReason'] = this.disabledReason;
+    }
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of BlockChange, but we can't specify that due to the fact that
+   *     parameters to static methods in subclasses must be supertypes of
+   *     parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: BlockChangeJson,
+    workspace: Workspace,
+    event?: any,
+  ): BlockChange {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new BlockChange(),
+    ) as BlockChange;
+    newEvent.element = json['element'];
+    newEvent.name = json['name'];
+    newEvent.oldValue = json['oldValue'];
+    newEvent.newValue = json['newValue'];
+    if (json['disabledReason'] !== undefined) {
+      newEvent.disabledReason = json['disabledReason'];
+    }
+    return newEvent;
+  }
+
+  /**
+   * Set the language-neutral identifier for the reason why the block was or was
+   * not disabled. This is only valid for events where element is 'disabled'.
+   * Defaults to 'MANUALLY_DISABLED'.
+   *
+   * @param disabledReason The identifier of the reason why the block was or was
+   *     not disabled.
+   */
+  setDisabledReason(disabledReason: string) {
+    if (this.element !== 'disabled') {
+      throw new Error(
+        'Cannot set the disabled reason for a BlockChange event if the ' +
+          'element is not "disabled".',
+      );
+    }
+    this.disabledReason = disabledReason;
+  }
+
+  /**
+   * Does this event record any change of state?
+   *
+   * @returns False if something changed.
+   */
+  override isNull(): boolean {
+    return this.oldValue === this.newValue;
+  }
+
+  /**
+   * Run a change event.
+   *
+   * @param forward True if run forward, false if run backward (undo).
+   */
+  override run(forward: boolean) {
+    const workspace = this.getEventWorkspace_();
+    if (!this.blockId) {
+      throw new Error(
+        'The block ID is undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    const block = workspace.getBlockById(this.blockId);
+    if (!block) {
+      throw new Error(
+        'The associated block is undefined. Either pass a ' +
+          'block to the constructor, or call fromJson',
+      );
+    }
+    // Assume the block is rendered so that then we can check.
+    const icon = block.getIcon(IconType.MUTATOR);
+    if (icon && hasBubble(icon) && icon.bubbleIsVisible()) {
+      // Close the mutator (if open) since we don't want to update it.
+      icon.setBubbleVisible(false);
+    }
+    const value = forward ? this.newValue : this.oldValue;
+    switch (this.element) {
+      case 'field': {
+        const field = block.getField(this.name!);
+        if (field) {
+          field.setValue(value);
+        } else {
+          console.warn("Can't set non-existent field: " + this.name);
+        }
+        break;
+      }
+      case 'comment':
+        block.setCommentText((value as string) || null);
+        break;
+      case 'collapsed':
+        block.setCollapsed(!!value);
+        break;
+      case 'disabled':
+        block.setDisabledReason(
+          !!value,
+          this.disabledReason ?? MANUALLY_DISABLED,
+        );
+        break;
+      case 'inline':
+        block.setInputsInline(!!value);
+        break;
+      case 'mutation': {
+        const oldState = BlockChange.getExtraBlockState_(block as BlockSvg);
+        if (block.loadExtraState) {
+          block.loadExtraState(JSON.parse((value as string) || '{}'));
+        } else if (block.domToMutation) {
+          block.domToMutation(
+            utilsXml.textToDom((value as string) || '<mutation/>'),
+          );
+        }
+        eventUtils.fire(
+          new BlockChange(block, 'mutation', null, oldState, value),
+        );
+        break;
+      }
+      default:
+        console.warn('Unknown change type: ' + this.element);
+    }
+  }
+
+  // TODO (#5397): Encapsulate this in the BlocklyMutationChange event when
+  //    refactoring change events.
+  /**
+   * Returns the extra state of the given block (either as XML or a JSO,
+   * depending on the block's definition).
+   *
+   * @param block The block to get the extra state of.
+   * @returns A stringified version of the extra state of the given block.
+   * @internal
+   */
+  static getExtraBlockState_(block: BlockSvg): string {
+    if (block.saveExtraState) {
+      const state = block.saveExtraState(true);
+      return state ? JSON.stringify(state) : '';
+    } else if (block.mutationToDom) {
+      const state = block.mutationToDom();
+      return state ? Xml.domToText(state) : '';
+    }
+    return '';
+  }
+}
+
+export interface BlockChangeJson extends BlockBaseJson {
+  element: string;
+  name?: string;
+  newValue: unknown;
+  oldValue: unknown;
+  disabledReason?: string;
+}
+
+registry.register(registry.Type.EVENT, eventUtils.CHANGE, BlockChange);
diff --git a/core/events/events_block_create.ts b/core/events/events_block_create.ts
new file mode 100644
index 00000000000..cbabc9332de
--- /dev/null
+++ b/core/events/events_block_create.ts
@@ -0,0 +1,185 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Class for a block creation event.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.BlockCreate
+
+import type {Block} from '../block.js';
+import * as registry from '../registry.js';
+import * as blocks from '../serialization/blocks.js';
+import * as utilsXml from '../utils/xml.js';
+import * as Xml from '../xml.js';
+
+import {BlockBase, BlockBaseJson} from './events_block_base.js';
+import * as eventUtils from './utils.js';
+import {Workspace} from '../workspace.js';
+
+/**
+ * Notifies listeners when a block (or connected stack of blocks) is
+ * created.
+ */
+export class BlockCreate extends BlockBase {
+  override type = eventUtils.BLOCK_CREATE;
+
+  /** The XML representation of the created block(s). */
+  xml?: Element | DocumentFragment;
+
+  /** The JSON respresentation of the created block(s). */
+  json?: blocks.State;
+
+  /** All of the IDs of created blocks. */
+  ids?: string[];
+
+  /** @param opt_block The created block.  Undefined for a blank event. */
+  constructor(opt_block?: Block) {
+    super(opt_block);
+
+    if (!opt_block) {
+      return; // Blank event to be populated by fromJson.
+    }
+
+    if (opt_block.isShadow()) {
+      // Moving shadow blocks is handled via disconnection.
+      this.recordUndo = false;
+    }
+
+    this.xml = Xml.blockToDomWithXY(opt_block);
+    this.ids = eventUtils.getDescendantIds(opt_block);
+
+    this.json = blocks.save(opt_block, {addCoordinates: true}) as blocks.State;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): BlockCreateJson {
+    const json = super.toJson() as BlockCreateJson;
+    if (!this.xml) {
+      throw new Error(
+        'The block XML is undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (!this.ids) {
+      throw new Error(
+        'The block IDs are undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (!this.json) {
+      throw new Error(
+        'The block JSON is undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    json['xml'] = Xml.domToText(this.xml);
+    json['ids'] = this.ids;
+    json['json'] = this.json;
+    if (!this.recordUndo) {
+      json['recordUndo'] = this.recordUndo;
+    }
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of BlockCreate, but we can't specify that due to the fact that
+   *     parameters to static methods in subclasses must be supertypes of
+   *     parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: BlockCreateJson,
+    workspace: Workspace,
+    event?: any,
+  ): BlockCreate {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new BlockCreate(),
+    ) as BlockCreate;
+    newEvent.xml = utilsXml.textToDom(json['xml']);
+    newEvent.ids = json['ids'];
+    newEvent.json = json['json'] as blocks.State;
+    if (json['recordUndo'] !== undefined) {
+      newEvent.recordUndo = json['recordUndo'];
+    }
+    return newEvent;
+  }
+
+  /**
+   * Run a creation event.
+   *
+   * @param forward True if run forward, false if run backward (undo).
+   */
+  override run(forward: boolean) {
+    const workspace = this.getEventWorkspace_();
+    if (!this.json) {
+      throw new Error(
+        'The block JSON is undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (!this.ids) {
+      throw new Error(
+        'The block IDs are undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (allShadowBlocks(workspace, this.ids)) return;
+    if (forward) {
+      blocks.append(this.json, workspace);
+    } else {
+      for (let i = 0; i < this.ids.length; i++) {
+        const id = this.ids[i];
+        const block = workspace.getBlockById(id);
+        if (block) {
+          block.dispose(false);
+        } else if (id === this.blockId) {
+          // Only complain about root-level block.
+          console.warn("Can't uncreate non-existent block: " + id);
+        }
+      }
+    }
+  }
+}
+/**
+ * Returns true if all blocks in the list are shadow blocks. If so, that means
+ * the top-level block being created is a shadow block. This only happens when a
+ * block that was covering up a shadow block is removed. We don't need to create
+ * an additional block in that case because the original block still has its
+ * shadow block.
+ *
+ * @param workspace Workspace to check for blocks
+ * @param ids A list of block ids that were created in this event
+ * @returns True if all block ids in the list are shadow blocks
+ */
+const allShadowBlocks = function (
+  workspace: Workspace,
+  ids: string[],
+): boolean {
+  const shadows = ids
+    .map((id) => workspace.getBlockById(id))
+    .filter((block) => block && block.isShadow());
+  return shadows.length === ids.length;
+};
+
+export interface BlockCreateJson extends BlockBaseJson {
+  xml: string;
+  ids: string[];
+  json: object;
+  recordUndo?: boolean;
+}
+
+registry.register(registry.Type.EVENT, eventUtils.CREATE, BlockCreate);
diff --git a/core/events/events_block_delete.ts b/core/events/events_block_delete.ts
new file mode 100644
index 00000000000..3375a78dda3
--- /dev/null
+++ b/core/events/events_block_delete.ts
@@ -0,0 +1,182 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Class for a block delete event.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.BlockDelete
+
+import type {Block} from '../block.js';
+import * as registry from '../registry.js';
+import * as blocks from '../serialization/blocks.js';
+import * as utilsXml from '../utils/xml.js';
+import * as Xml from '../xml.js';
+
+import {BlockBase, BlockBaseJson} from './events_block_base.js';
+import * as eventUtils from './utils.js';
+import {Workspace} from '../workspace.js';
+
+/**
+ * Notifies listeners when a block (or connected stack of blocks) is
+ * deleted.
+ */
+export class BlockDelete extends BlockBase {
+  /** The XML representation of the deleted block(s). */
+  oldXml?: Element | DocumentFragment;
+
+  /** The JSON respresentation of the deleted block(s). */
+  oldJson?: blocks.State;
+
+  /** All of the IDs of deleted blocks. */
+  ids?: string[];
+
+  /** True if the deleted block was a shadow block, false otherwise. */
+  wasShadow?: boolean;
+
+  override type = eventUtils.BLOCK_DELETE;
+
+  /** @param opt_block The deleted block.  Undefined for a blank event. */
+  constructor(opt_block?: Block) {
+    super(opt_block);
+
+    if (!opt_block) {
+      return; // Blank event to be populated by fromJson.
+    }
+
+    if (opt_block.getParent()) {
+      throw Error('Connected blocks cannot be deleted.');
+    }
+    if (opt_block.isShadow()) {
+      // Respawning shadow blocks is handled via disconnection.
+      this.recordUndo = false;
+    }
+
+    this.oldXml = Xml.blockToDomWithXY(opt_block);
+    this.ids = eventUtils.getDescendantIds(opt_block);
+    this.wasShadow = opt_block.isShadow();
+    this.oldJson = blocks.save(opt_block, {
+      addCoordinates: true,
+    }) as blocks.State;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): BlockDeleteJson {
+    const json = super.toJson() as BlockDeleteJson;
+    if (!this.oldXml) {
+      throw new Error(
+        'The old block XML is undefined. Either pass a block ' +
+          'to the constructor, or call fromJson',
+      );
+    }
+    if (!this.ids) {
+      throw new Error(
+        'The block IDs are undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (this.wasShadow === undefined) {
+      throw new Error(
+        'Whether the block was a shadow is undefined. Either ' +
+          'pass a block to the constructor, or call fromJson',
+      );
+    }
+    if (!this.oldJson) {
+      throw new Error(
+        'The old block JSON is undefined. Either pass a block ' +
+          'to the constructor, or call fromJson',
+      );
+    }
+    json['oldXml'] = Xml.domToText(this.oldXml);
+    json['ids'] = this.ids;
+    json['wasShadow'] = this.wasShadow;
+    json['oldJson'] = this.oldJson;
+    if (!this.recordUndo) {
+      json['recordUndo'] = this.recordUndo;
+    }
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of BlockDelete, but we can't specify that due to the fact that
+   *     parameters to static methods in subclasses must be supertypes of
+   *     parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: BlockDeleteJson,
+    workspace: Workspace,
+    event?: any,
+  ): BlockDelete {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new BlockDelete(),
+    ) as BlockDelete;
+    newEvent.oldXml = utilsXml.textToDom(json['oldXml']);
+    newEvent.ids = json['ids'];
+    newEvent.wasShadow =
+      json['wasShadow'] || newEvent.oldXml.tagName.toLowerCase() === 'shadow';
+    newEvent.oldJson = json['oldJson'];
+    if (json['recordUndo'] !== undefined) {
+      newEvent.recordUndo = json['recordUndo'];
+    }
+    return newEvent;
+  }
+
+  /**
+   * Run a deletion event.
+   *
+   * @param forward True if run forward, false if run backward (undo).
+   */
+  override run(forward: boolean) {
+    const workspace = this.getEventWorkspace_();
+    if (!this.ids) {
+      throw new Error(
+        'The block IDs are undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (!this.oldJson) {
+      throw new Error(
+        'The old block JSON is undefined. Either pass a block ' +
+          'to the constructor, or call fromJson',
+      );
+    }
+    if (forward) {
+      for (let i = 0; i < this.ids.length; i++) {
+        const id = this.ids[i];
+        const block = workspace.getBlockById(id);
+        if (block) {
+          block.dispose(false);
+        } else if (id === this.blockId) {
+          // Only complain about root-level block.
+          console.warn("Can't delete non-existent block: " + id);
+        }
+      }
+    } else {
+      blocks.append(this.oldJson, workspace);
+    }
+  }
+}
+
+export interface BlockDeleteJson extends BlockBaseJson {
+  oldXml: string;
+  ids: string[];
+  wasShadow: boolean;
+  oldJson: blocks.State;
+  recordUndo?: boolean;
+}
+
+registry.register(registry.Type.EVENT, eventUtils.DELETE, BlockDelete);
diff --git a/core/events/events_block_drag.ts b/core/events/events_block_drag.ts
new file mode 100644
index 00000000000..3729ab77756
--- /dev/null
+++ b/core/events/events_block_drag.ts
@@ -0,0 +1,116 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Events fired as a block drag.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.BlockDrag
+
+import type {Block} from '../block.js';
+import * as registry from '../registry.js';
+import {AbstractEventJson} from './events_abstract.js';
+import {UiBase} from './events_ui_base.js';
+import * as eventUtils from './utils.js';
+import {Workspace} from '../workspace.js';
+
+/**
+ * Notifies listeners when a block is being manually dragged/dropped.
+ */
+export class BlockDrag extends UiBase {
+  /** The ID of the top-level block being dragged. */
+  blockId?: string;
+
+  /** True if this is the start of a drag, false if this is the end of one. */
+  isStart?: boolean;
+
+  /**
+   * A list of all of the blocks (i.e. all descendants of the block associated
+   * with the block ID) being dragged.
+   */
+  blocks?: Block[];
+
+  override type = eventUtils.BLOCK_DRAG;
+
+  /**
+   * @param opt_block The top block in the stack that is being dragged.
+   *     Undefined for a blank event.
+   * @param opt_isStart Whether this is the start of a block drag.
+   *    Undefined for a blank event.
+   * @param opt_blocks The blocks affected by this drag. Undefined for a blank
+   *     event.
+   */
+  constructor(opt_block?: Block, opt_isStart?: boolean, opt_blocks?: Block[]) {
+    const workspaceId = opt_block ? opt_block.workspace.id : undefined;
+    super(workspaceId);
+    if (!opt_block) return;
+
+    this.blockId = opt_block.id;
+    this.isStart = opt_isStart;
+    this.blocks = opt_blocks;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): BlockDragJson {
+    const json = super.toJson() as BlockDragJson;
+    if (this.isStart === undefined) {
+      throw new Error(
+        'Whether this event is the start of a drag is undefined. ' +
+          'Either pass the value to the constructor, or call fromJson',
+      );
+    }
+    if (this.blockId === undefined) {
+      throw new Error(
+        'The block ID is undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    json['isStart'] = this.isStart;
+    json['blockId'] = this.blockId;
+    // TODO: I don't think we should actually apply the blocks array to the JSON
+    //   object b/c they have functions and aren't actually serializable.
+    json['blocks'] = this.blocks;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of BlockDrag, but we can't specify that due to the fact that parameters
+   *     to static methods in subclasses must be supertypes of parameters to
+   *     static methods in superclasses..
+   * @internal
+   */
+  static fromJson(
+    json: BlockDragJson,
+    workspace: Workspace,
+    event?: any,
+  ): BlockDrag {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new BlockDrag(),
+    ) as BlockDrag;
+    newEvent.isStart = json['isStart'];
+    newEvent.blockId = json['blockId'];
+    newEvent.blocks = json['blocks'];
+    return newEvent;
+  }
+}
+
+export interface BlockDragJson extends AbstractEventJson {
+  isStart: boolean;
+  blockId: string;
+  blocks?: Block[];
+}
+
+registry.register(registry.Type.EVENT, eventUtils.BLOCK_DRAG, BlockDrag);
diff --git a/core/events/events_block_field_intermediate_change.ts b/core/events/events_block_field_intermediate_change.ts
new file mode 100644
index 00000000000..264f910a8a2
--- /dev/null
+++ b/core/events/events_block_field_intermediate_change.ts
@@ -0,0 +1,167 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Class for an event representing an intermediate change to a block's field's
+ * value.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.BlockFieldIntermediateChange
+
+import type {Block} from '../block.js';
+import * as registry from '../registry.js';
+import {Workspace} from '../workspace.js';
+
+import {BlockBase, BlockBaseJson} from './events_block_base.js';
+import * as eventUtils from './utils.js';
+
+/**
+ * Notifies listeners when the value of a block's field has changed but the
+ * change is not yet complete, and is expected to be followed by a block change
+ * event.
+ */
+export class BlockFieldIntermediateChange extends BlockBase {
+  override type = eventUtils.BLOCK_FIELD_INTERMEDIATE_CHANGE;
+
+  // Intermediate events do not undo or redo. They may be fired frequently while
+  // the field editor widget is open. A separate BLOCK_CHANGE event is fired
+  // when the editor is closed, which combines all of the field value changes
+  // into a single change that is recorded in the undo history instead. The
+  // intermediate changes are important for reacting to immediate changes, but
+  // some event handlers would prefer to handle the less frequent final events,
+  // like when triggering workspace serialization. Technically, this method of
+  // grouping changes can result in undo perfoming actions out of order if some
+  // other event occurs between opening and closing the field editor, but such
+  // events are unlikely to cause a broken state.
+  override recordUndo = false;
+
+  /** The name of the field that changed. */
+  name?: string;
+
+  /** The original value of the element. */
+  oldValue: unknown;
+
+  /** The new value of the element. */
+  newValue: unknown;
+
+  /**
+   * @param opt_block The changed block. Undefined for a blank event.
+   * @param opt_name Name of the field affected.
+   * @param opt_oldValue Previous value of element.
+   * @param opt_newValue New value of element.
+   */
+  constructor(
+    opt_block?: Block,
+    opt_name?: string,
+    opt_oldValue?: unknown,
+    opt_newValue?: unknown,
+  ) {
+    super(opt_block);
+    if (!opt_block) {
+      return; // Blank event to be populated by fromJson.
+    }
+
+    this.name = opt_name;
+    this.oldValue = opt_oldValue;
+    this.newValue = opt_newValue;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): BlockFieldIntermediateChangeJson {
+    const json = super.toJson() as BlockFieldIntermediateChangeJson;
+    if (!this.name) {
+      throw new Error(
+        'The changed field name is undefined. Either pass a ' +
+          'name to the constructor, or call fromJson.',
+      );
+    }
+    json['name'] = this.name;
+    json['oldValue'] = this.oldValue;
+    json['newValue'] = this.newValue;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of BlockFieldIntermediateChange, but we can't specify that due to the
+   *     fact that parameters to static methods in subclasses must be supertypes
+   *     of parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: BlockFieldIntermediateChangeJson,
+    workspace: Workspace,
+    event?: any,
+  ): BlockFieldIntermediateChange {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new BlockFieldIntermediateChange(),
+    ) as BlockFieldIntermediateChange;
+    newEvent.name = json['name'];
+    newEvent.oldValue = json['oldValue'];
+    newEvent.newValue = json['newValue'];
+    return newEvent;
+  }
+
+  /**
+   * Does this event record any change of state?
+   *
+   * @returns False if something changed.
+   */
+  override isNull(): boolean {
+    return this.oldValue === this.newValue;
+  }
+
+  /**
+   * Run a change event.
+   *
+   * @param forward True if run forward, false if run backward (undo).
+   */
+  override run(forward: boolean) {
+    const workspace = this.getEventWorkspace_();
+    if (!this.blockId) {
+      throw new Error(
+        'The block ID is undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    const block = workspace.getBlockById(this.blockId);
+    if (!block) {
+      throw new Error(
+        'The associated block is undefined. Either pass a ' +
+          'block to the constructor, or call fromJson',
+      );
+    }
+
+    const value = forward ? this.newValue : this.oldValue;
+    const field = block.getField(this.name!);
+    if (field) {
+      field.setValue(value);
+    } else {
+      console.warn("Can't set non-existent field: " + this.name);
+    }
+  }
+}
+
+export interface BlockFieldIntermediateChangeJson extends BlockBaseJson {
+  name: string;
+  newValue: unknown;
+  oldValue: unknown;
+}
+
+registry.register(
+  registry.Type.EVENT,
+  eventUtils.BLOCK_FIELD_INTERMEDIATE_CHANGE,
+  BlockFieldIntermediateChange,
+);
diff --git a/core/events/events_block_move.ts b/core/events/events_block_move.ts
new file mode 100644
index 00000000000..6c05ab2af28
--- /dev/null
+++ b/core/events/events_block_move.ts
@@ -0,0 +1,307 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Class for a block move event.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.BlockMove
+
+import type {Block} from '../block.js';
+import {ConnectionType} from '../connection_type.js';
+import * as registry from '../registry.js';
+import {Coordinate} from '../utils/coordinate.js';
+
+import {BlockBase, BlockBaseJson} from './events_block_base.js';
+import * as eventUtils from './utils.js';
+import type {Workspace} from '../workspace.js';
+
+interface BlockLocation {
+  parentId?: string;
+  inputName?: string;
+  coordinate?: Coordinate;
+}
+
+/**
+ * Notifies listeners when a block is moved. This could be from one
+ * connection to another, or from one location on the workspace to another.
+ */
+export class BlockMove extends BlockBase {
+  override type = eventUtils.BLOCK_MOVE;
+
+  /** The ID of the old parent block. Undefined if it was a top-level block. */
+  oldParentId?: string;
+
+  /**
+   * The name of the old input. Undefined if it was a top-level block or the
+   * parent's next block.
+   */
+  oldInputName?: string;
+
+  /**
+   * The old X and Y workspace coordinates of the block if it was a top level
+   * block. Undefined if it was not a top level block.
+   */
+  oldCoordinate?: Coordinate;
+
+  /** The ID of the new parent block. Undefined if it is a top-level block. */
+  newParentId?: string;
+
+  /**
+   * The name of the new input. Undefined if it is a top-level block or the
+   * parent's next block.
+   */
+  newInputName?: string;
+
+  /**
+   * The new X and Y workspace coordinates of the block if it is a top-level
+   * block. Undefined if it is not a top level block.
+   */
+  newCoordinate?: Coordinate;
+
+  /**
+   * An explanation of what this move is for.  Known values include:
+   *  'drag' -- A drag operation completed.
+   *  'bump' -- Block got bumped away from an invalid connection.
+   *  'snap' -- Block got shifted to line up with the grid.
+   *  'inbounds' -- Block got pushed back into a non-scrolling workspace.
+   *  'connect' -- Block got connected to another block.
+   *  'disconnect' -- Block got disconnected from another block.
+   *  'create' -- Block created via XML.
+   *  'cleanup' -- Workspace aligned top-level blocks.
+   * Event merging may create multiple reasons: ['drag', 'bump', 'snap'].
+   */
+  reason?: string[];
+
+  /** @param opt_block The moved block.  Undefined for a blank event. */
+  constructor(opt_block?: Block) {
+    super(opt_block);
+
+    if (!opt_block) {
+      return;
+    }
+    // Blank event to be populated by fromJson.
+    if (opt_block.isShadow()) {
+      // Moving shadow blocks is handled via disconnection.
+      this.recordUndo = false;
+    }
+
+    const location = this.currentLocation_();
+    this.oldParentId = location.parentId;
+    this.oldInputName = location.inputName;
+    this.oldCoordinate = location.coordinate;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): BlockMoveJson {
+    const json = super.toJson() as BlockMoveJson;
+    json['oldParentId'] = this.oldParentId;
+    json['oldInputName'] = this.oldInputName;
+    if (this.oldCoordinate) {
+      json['oldCoordinate'] =
+        `${Math.round(this.oldCoordinate.x)}, ` +
+        `${Math.round(this.oldCoordinate.y)}`;
+    }
+    json['newParentId'] = this.newParentId;
+    json['newInputName'] = this.newInputName;
+    if (this.newCoordinate) {
+      json['newCoordinate'] =
+        `${Math.round(this.newCoordinate.x)}, ` +
+        `${Math.round(this.newCoordinate.y)}`;
+    }
+    if (this.reason) {
+      json['reason'] = this.reason;
+    }
+    if (!this.recordUndo) {
+      json['recordUndo'] = this.recordUndo;
+    }
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of BlockMove, but we can't specify that due to the fact that parameters
+   *     to static methods in subclasses must be supertypes of parameters to
+   *     static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: BlockMoveJson,
+    workspace: Workspace,
+    event?: any,
+  ): BlockMove {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new BlockMove(),
+    ) as BlockMove;
+    newEvent.oldParentId = json['oldParentId'];
+    newEvent.oldInputName = json['oldInputName'];
+    if (json['oldCoordinate']) {
+      const xy = json['oldCoordinate'].split(',');
+      newEvent.oldCoordinate = new Coordinate(Number(xy[0]), Number(xy[1]));
+    }
+    newEvent.newParentId = json['newParentId'];
+    newEvent.newInputName = json['newInputName'];
+    if (json['newCoordinate']) {
+      const xy = json['newCoordinate'].split(',');
+      newEvent.newCoordinate = new Coordinate(Number(xy[0]), Number(xy[1]));
+    }
+    if (json['reason'] !== undefined) {
+      newEvent.reason = json['reason'];
+    }
+    if (json['recordUndo'] !== undefined) {
+      newEvent.recordUndo = json['recordUndo'];
+    }
+    return newEvent;
+  }
+
+  /** Record the block's new location.  Called after the move. */
+  recordNew() {
+    const location = this.currentLocation_();
+    this.newParentId = location.parentId;
+    this.newInputName = location.inputName;
+    this.newCoordinate = location.coordinate;
+  }
+
+  /**
+   * Set the reason for a move event.
+   *
+   * @param reason Why is this move happening?  'drag', 'bump', 'snap', ...
+   */
+  setReason(reason: string[]) {
+    this.reason = reason;
+  }
+
+  /**
+   * Returns the parentId and input if the block is connected,
+   *   or the XY location if disconnected.
+   *
+   * @returns Collection of location info.
+   */
+  private currentLocation_(): BlockLocation {
+    const workspace = this.getEventWorkspace_();
+    if (!this.blockId) {
+      throw new Error(
+        'The block ID is undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    const block = workspace.getBlockById(this.blockId);
+    if (!block) {
+      throw new Error(
+        'The block associated with the block move event ' +
+          'could not be found',
+      );
+    }
+    const location = {} as BlockLocation;
+    const parent = block.getParent();
+    if (parent) {
+      location.parentId = parent.id;
+      const input = parent.getInputWithBlock(block);
+      if (input) {
+        location.inputName = input.name;
+      }
+    } else {
+      location.coordinate = block.getRelativeToSurfaceXY();
+    }
+    return location;
+  }
+
+  /**
+   * Does this event record any change of state?
+   *
+   * @returns False if something changed.
+   */
+  override isNull(): boolean {
+    return (
+      this.oldParentId === this.newParentId &&
+      this.oldInputName === this.newInputName &&
+      Coordinate.equals(this.oldCoordinate, this.newCoordinate)
+    );
+  }
+
+  /**
+   * Run a move event.
+   *
+   * @param forward True if run forward, false if run backward (undo).
+   */
+  override run(forward: boolean) {
+    const workspace = this.getEventWorkspace_();
+    if (!this.blockId) {
+      throw new Error(
+        'The block ID is undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    const block = workspace.getBlockById(this.blockId);
+    if (!block) {
+      console.warn("Can't move non-existent block: " + this.blockId);
+      return;
+    }
+    const parentId = forward ? this.newParentId : this.oldParentId;
+    const inputName = forward ? this.newInputName : this.oldInputName;
+    const coordinate = forward ? this.newCoordinate : this.oldCoordinate;
+    let parentBlock: Block | null;
+    if (parentId) {
+      parentBlock = workspace.getBlockById(parentId);
+      if (!parentBlock) {
+        console.warn("Can't connect to non-existent block: " + parentId);
+        return;
+      }
+    }
+    if (block.getParent()) {
+      block.unplug();
+    }
+    if (coordinate) {
+      const xy = block.getRelativeToSurfaceXY();
+      block.moveBy(coordinate.x - xy.x, coordinate.y - xy.y, this.reason);
+    } else {
+      let blockConnection = block.outputConnection;
+      if (
+        !blockConnection ||
+        (block.previousConnection && block.previousConnection.isConnected())
+      ) {
+        blockConnection = block.previousConnection;
+      }
+      let parentConnection;
+      const connectionType = blockConnection?.type;
+      if (inputName) {
+        const input = parentBlock!.getInput(inputName);
+        if (input) {
+          parentConnection = input.connection;
+        }
+      } else if (connectionType === ConnectionType.PREVIOUS_STATEMENT) {
+        parentConnection = parentBlock!.nextConnection;
+      }
+      if (parentConnection && blockConnection) {
+        blockConnection.connect(parentConnection);
+      } else {
+        console.warn("Can't connect to non-existent input: " + inputName);
+      }
+    }
+  }
+}
+
+export interface BlockMoveJson extends BlockBaseJson {
+  oldParentId?: string;
+  oldInputName?: string;
+  oldCoordinate?: string;
+  newParentId?: string;
+  newInputName?: string;
+  newCoordinate?: string;
+  reason?: string[];
+  recordUndo?: boolean;
+}
+
+registry.register(registry.Type.EVENT, eventUtils.MOVE, BlockMove);
diff --git a/core/events/events_bubble_open.ts b/core/events/events_bubble_open.ts
new file mode 100644
index 00000000000..023e16a17e7
--- /dev/null
+++ b/core/events/events_bubble_open.ts
@@ -0,0 +1,120 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Events fired as a result of bubble open.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.BubbleOpen
+
+import type {AbstractEventJson} from './events_abstract.js';
+import type {BlockSvg} from '../block_svg.js';
+import * as registry from '../registry.js';
+import {UiBase} from './events_ui_base.js';
+import * as eventUtils from './utils.js';
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Class for a bubble open event.
+ */
+export class BubbleOpen extends UiBase {
+  /** The ID of the block the bubble is attached to. */
+  blockId?: string;
+
+  /** True if the bubble is opening, false if closing. */
+  isOpen?: boolean;
+
+  /** The type of bubble; one of 'mutator', 'comment', or 'warning'. */
+  bubbleType?: BubbleType;
+
+  override type = eventUtils.BUBBLE_OPEN;
+
+  /**
+   * @param opt_block The associated block. Undefined for a blank event.
+   * @param opt_isOpen Whether the bubble is opening (false if closing).
+   *     Undefined for a blank event.
+   * @param opt_bubbleType The type of bubble. One of 'mutator', 'comment' or
+   *     'warning'. Undefined for a blank event.
+   */
+  constructor(
+    opt_block?: BlockSvg,
+    opt_isOpen?: boolean,
+    opt_bubbleType?: BubbleType,
+  ) {
+    const workspaceId = opt_block ? opt_block.workspace.id : undefined;
+    super(workspaceId);
+    if (!opt_block) return;
+
+    this.blockId = opt_block.id;
+    this.isOpen = opt_isOpen;
+    this.bubbleType = opt_bubbleType;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): BubbleOpenJson {
+    const json = super.toJson() as BubbleOpenJson;
+    if (this.isOpen === undefined) {
+      throw new Error(
+        'Whether this event is for opening the bubble is undefined. ' +
+          'Either pass the value to the constructor, or call fromJson',
+      );
+    }
+    if (!this.bubbleType) {
+      throw new Error(
+        'The type of bubble is undefined. Either pass the ' +
+          'value to the constructor, or call fromJson',
+      );
+    }
+    json['isOpen'] = this.isOpen;
+    json['bubbleType'] = this.bubbleType;
+    json['blockId'] = this.blockId || '';
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of BubbleOpen, but we can't specify that due to the fact that
+   *     parameters to static methods in subclasses must be supertypes of
+   *     parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: BubbleOpenJson,
+    workspace: Workspace,
+    event?: any,
+  ): BubbleOpen {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new BubbleOpen(),
+    ) as BubbleOpen;
+    newEvent.isOpen = json['isOpen'];
+    newEvent.bubbleType = json['bubbleType'];
+    newEvent.blockId = json['blockId'];
+    return newEvent;
+  }
+}
+
+export enum BubbleType {
+  MUTATOR = 'mutator',
+  COMMENT = 'comment',
+  WARNING = 'warning',
+}
+
+export interface BubbleOpenJson extends AbstractEventJson {
+  isOpen: boolean;
+  bubbleType: BubbleType;
+  blockId: string;
+}
+
+registry.register(registry.Type.EVENT, eventUtils.BUBBLE_OPEN, BubbleOpen);
diff --git a/core/events/events_click.ts b/core/events/events_click.ts
new file mode 100644
index 00000000000..1b15560695d
--- /dev/null
+++ b/core/events/events_click.ts
@@ -0,0 +1,110 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Events fired as a result of UI click in Blockly's editor.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.Click
+
+import type {Block} from '../block.js';
+import * as registry from '../registry.js';
+import {AbstractEventJson} from './events_abstract.js';
+
+import {UiBase} from './events_ui_base.js';
+import * as eventUtils from './utils.js';
+import {Workspace} from '../workspace.js';
+
+/**
+ * Notifies listeners that some blockly element was clicked.
+ */
+export class Click extends UiBase {
+  /** The ID of the block that was clicked, if a block was clicked. */
+  blockId?: string;
+
+  /**
+   * The type of element that was clicked; one of 'block', 'workspace',
+   * or 'zoom_controls'.
+   */
+  targetType?: ClickTarget;
+  override type = eventUtils.CLICK;
+
+  /**
+   * @param opt_block The affected block. Null for click events that do not have
+   *     an associated block (i.e. workspace click). Undefined for a blank
+   *     event.
+   * @param opt_workspaceId The workspace identifier for this event.
+   *    Not used if block is passed. Undefined for a blank event.
+   * @param opt_targetType The type of element targeted by this click event.
+   *     Undefined for a blank event.
+   */
+  constructor(
+    opt_block?: Block | null,
+    opt_workspaceId?: string | null,
+    opt_targetType?: ClickTarget,
+  ) {
+    let workspaceId = opt_block ? opt_block.workspace.id : opt_workspaceId;
+    if (workspaceId === null) {
+      workspaceId = undefined;
+    }
+    super(workspaceId);
+
+    this.blockId = opt_block ? opt_block.id : undefined;
+    this.targetType = opt_targetType;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): ClickJson {
+    const json = super.toJson() as ClickJson;
+    if (!this.targetType) {
+      throw new Error(
+        'The click target type is undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    json['targetType'] = this.targetType;
+    json['blockId'] = this.blockId;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of Click, but we can't specify that due to the fact that parameters to
+   *     static methods in subclasses must be supertypes of parameters to
+   *     static methods in superclasses.
+   * @internal
+   */
+  static fromJson(json: ClickJson, workspace: Workspace, event?: any): Click {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new Click(),
+    ) as Click;
+    newEvent.targetType = json['targetType'];
+    newEvent.blockId = json['blockId'];
+    return newEvent;
+  }
+}
+
+export enum ClickTarget {
+  BLOCK = 'block',
+  WORKSPACE = 'workspace',
+  ZOOM_CONTROLS = 'zoom_controls',
+}
+
+export interface ClickJson extends AbstractEventJson {
+  targetType: ClickTarget;
+  blockId?: string;
+}
+
+registry.register(registry.Type.EVENT, eventUtils.CLICK, Click);
diff --git a/core/events/events_comment_base.ts b/core/events/events_comment_base.ts
new file mode 100644
index 00000000000..6fbc95c4d60
--- /dev/null
+++ b/core/events/events_comment_base.ts
@@ -0,0 +1,126 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Base class for comment events.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.CommentBase
+
+import type {WorkspaceComment} from '../comments/workspace_comment.js';
+import * as comments from '../serialization/workspace_comments.js';
+import {
+  Abstract as AbstractEvent,
+  AbstractEventJson,
+} from './events_abstract.js';
+import type {CommentCreate} from './events_comment_create.js';
+import type {CommentDelete} from './events_comment_delete.js';
+import * as eventUtils from './utils.js';
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Abstract class for a comment event.
+ */
+export class CommentBase extends AbstractEvent {
+  override isBlank = true;
+
+  /** The ID of the comment that this event references. */
+  commentId?: string;
+
+  /**
+   * @param opt_comment The comment this event corresponds to.  Undefined for a
+   *     blank event.
+   */
+  constructor(opt_comment?: WorkspaceComment) {
+    super();
+    /** Whether or not an event is blank. */
+    this.isBlank = !opt_comment;
+
+    if (!opt_comment) return;
+
+    this.commentId = opt_comment.id;
+    this.workspaceId = opt_comment.workspace.id;
+    this.group = eventUtils.getGroup();
+    this.recordUndo = eventUtils.getRecordUndo();
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): CommentBaseJson {
+    const json = super.toJson() as CommentBaseJson;
+    if (!this.commentId) {
+      throw new Error(
+        'The comment ID is undefined. Either pass a comment to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    json['commentId'] = this.commentId;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of CommentBase, but we can't specify that due to the fact that
+   *     parameters to static methods in subclasses must be supertypes of
+   *     parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: CommentBaseJson,
+    workspace: Workspace,
+    event?: any,
+  ): CommentBase {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new CommentBase(),
+    ) as CommentBase;
+    newEvent.commentId = json['commentId'];
+    return newEvent;
+  }
+
+  /**
+   * Helper function for Comment[Create|Delete]
+   *
+   * @param event The event to run.
+   * @param create if True then Create, if False then Delete
+   */
+  static CommentCreateDeleteHelper(
+    event: CommentCreate | CommentDelete,
+    create: boolean,
+  ) {
+    const workspace = event.getEventWorkspace_();
+    if (create) {
+      if (!event.json) {
+        throw new Error('Encountered a comment event without proper json');
+      }
+      comments.append(event.json, workspace);
+    } else {
+      if (!event.commentId) {
+        throw new Error(
+          'The comment ID is undefined. Either pass a comment to ' +
+            'the constructor, or call fromJson',
+        );
+      }
+      const comment = workspace.getCommentById(event.commentId);
+      if (comment) {
+        comment.dispose();
+      } else {
+        console.warn("Can't delete non-existent comment: " + event.commentId);
+      }
+    }
+  }
+}
+
+export interface CommentBaseJson extends AbstractEventJson {
+  commentId: string;
+}
diff --git a/core/events/events_comment_change.ts b/core/events/events_comment_change.ts
new file mode 100644
index 00000000000..eb39d929de9
--- /dev/null
+++ b/core/events/events_comment_change.ts
@@ -0,0 +1,161 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Class for comment change event.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.CommentChange
+
+import * as registry from '../registry.js';
+import type {WorkspaceComment} from '../comments/workspace_comment.js';
+
+import {CommentBase, CommentBaseJson} from './events_comment_base.js';
+import * as eventUtils from './utils.js';
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Notifies listeners that the contents of a workspace comment has changed.
+ */
+export class CommentChange extends CommentBase {
+  override type = eventUtils.COMMENT_CHANGE;
+
+  // TODO(#6774): We should remove underscores.
+  /** The previous contents of the comment. */
+  oldContents_?: string;
+
+  /** The new contents of the comment. */
+  newContents_?: string;
+
+  /**
+   * @param opt_comment The comment that is being changed.  Undefined for a
+   *     blank event.
+   * @param opt_oldContents Previous contents of the comment.
+   * @param opt_newContents New contents of the comment.
+   */
+  constructor(
+    opt_comment?: WorkspaceComment,
+    opt_oldContents?: string,
+    opt_newContents?: string,
+  ) {
+    super(opt_comment);
+
+    if (!opt_comment) {
+      return; // Blank event to be populated by fromJson.
+    }
+
+    this.oldContents_ =
+      typeof opt_oldContents === 'undefined' ? '' : opt_oldContents;
+    this.newContents_ =
+      typeof opt_newContents === 'undefined' ? '' : opt_newContents;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): CommentChangeJson {
+    const json = super.toJson() as CommentChangeJson;
+    if (!this.oldContents_) {
+      throw new Error(
+        'The old contents is undefined. Either pass a value to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (!this.newContents_) {
+      throw new Error(
+        'The new contents is undefined. Either pass a value to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    json['oldContents'] = this.oldContents_;
+    json['newContents'] = this.newContents_;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of CommentChange, but we can't specify that due to the fact that
+   *     parameters to static methods in subclasses must be supertypes of
+   *     parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: CommentChangeJson,
+    workspace: Workspace,
+    event?: any,
+  ): CommentChange {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new CommentChange(),
+    ) as CommentChange;
+    newEvent.oldContents_ = json['oldContents'];
+    newEvent.newContents_ = json['newContents'];
+    return newEvent;
+  }
+
+  /**
+   * Does this event record any change of state?
+   *
+   * @returns False if something changed.
+   */
+  override isNull(): boolean {
+    return this.oldContents_ === this.newContents_;
+  }
+
+  /**
+   * Run a change event.
+   *
+   * @param forward True if run forward, false if run backward (undo).
+   */
+  override run(forward: boolean) {
+    const workspace = this.getEventWorkspace_();
+    if (!this.commentId) {
+      throw new Error(
+        'The comment ID is undefined. Either pass a comment to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    // TODO: Remove the cast when we fix the type of getCommentById.
+    const comment = workspace.getCommentById(
+      this.commentId,
+    ) as unknown as WorkspaceComment;
+    if (!comment) {
+      console.warn("Can't change non-existent comment: " + this.commentId);
+      return;
+    }
+    const contents = forward ? this.newContents_ : this.oldContents_;
+    if (contents === undefined) {
+      if (forward) {
+        throw new Error(
+          'The new contents is undefined. Either pass a value to ' +
+            'the constructor, or call fromJson',
+        );
+      }
+      throw new Error(
+        'The old contents is undefined. Either pass a value to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    comment.setText(contents);
+  }
+}
+
+export interface CommentChangeJson extends CommentBaseJson {
+  oldContents: string;
+  newContents: string;
+}
+
+registry.register(
+  registry.Type.EVENT,
+  eventUtils.COMMENT_CHANGE,
+  CommentChange,
+);
diff --git a/core/events/events_comment_collapse.ts b/core/events/events_comment_collapse.ts
new file mode 100644
index 00000000000..6646b1df296
--- /dev/null
+++ b/core/events/events_comment_collapse.ts
@@ -0,0 +1,103 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as registry from '../registry.js';
+import {WorkspaceComment} from '../comments/workspace_comment.js';
+import {CommentBase, CommentBaseJson} from './events_comment_base.js';
+import * as eventUtils from './utils.js';
+import type {Workspace} from '../workspace.js';
+
+export class CommentCollapse extends CommentBase {
+  override type = eventUtils.COMMENT_COLLAPSE;
+
+  constructor(
+    comment?: WorkspaceComment,
+    public newCollapsed?: boolean,
+  ) {
+    super(comment);
+
+    if (!comment) {
+      return; // Blank event to be populated by fromJson.
+    }
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): CommentCollapseJson {
+    const json = super.toJson() as CommentCollapseJson;
+    if (this.newCollapsed === undefined) {
+      throw new Error(
+        'The new collapse value undefined. Either call recordNew, or ' +
+          'call fromJson',
+      );
+    }
+    json['newCollapsed'] = this.newCollapsed;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of CommentCollapse, but we can't specify that due to the fact that
+   *     parameters to static methods in subclasses must be supertypes of
+   *     parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: CommentCollapseJson,
+    workspace: Workspace,
+    event?: any,
+  ): CommentCollapse {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new CommentCollapse(),
+    ) as CommentCollapse;
+    newEvent.newCollapsed = json.newCollapsed;
+    return newEvent;
+  }
+
+  /**
+   * Run a collapse event.
+   *
+   * @param forward True if run forward, false if run backward (undo).
+   */
+  override run(forward: boolean) {
+    const workspace = this.getEventWorkspace_();
+    if (!this.commentId) {
+      throw new Error(
+        'The comment ID is undefined. Either pass a comment to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    // TODO: Remove cast when we update getCommentById.
+    const comment = workspace.getCommentById(
+      this.commentId,
+    ) as unknown as WorkspaceComment;
+    if (!comment) {
+      console.warn(
+        "Can't collapse or uncollapse non-existent comment: " + this.commentId,
+      );
+      return;
+    }
+
+    comment.setCollapsed(forward ? !!this.newCollapsed : !this.newCollapsed);
+  }
+}
+
+export interface CommentCollapseJson extends CommentBaseJson {
+  newCollapsed: boolean;
+}
+
+registry.register(
+  registry.Type.EVENT,
+  eventUtils.COMMENT_COLLAPSE,
+  CommentCollapse,
+);
diff --git a/core/events/events_comment_create.ts b/core/events/events_comment_create.ts
new file mode 100644
index 00000000000..692397df683
--- /dev/null
+++ b/core/events/events_comment_create.ts
@@ -0,0 +1,118 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Class for comment creation event.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.CommentCreate
+
+import * as registry from '../registry.js';
+import type {WorkspaceComment} from '../comments/workspace_comment.js';
+import * as comments from '../serialization/workspace_comments.js';
+import * as utilsXml from '../utils/xml.js';
+import * as Xml from '../xml.js';
+import {CommentBase, CommentBaseJson} from './events_comment_base.js';
+import * as eventUtils from './utils.js';
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Notifies listeners that a workspace comment was created.
+ */
+export class CommentCreate extends CommentBase {
+  override type = eventUtils.COMMENT_CREATE;
+
+  /** The XML representation of the created workspace comment. */
+  xml?: Element | DocumentFragment;
+
+  /** The JSON representation of the created workspace comment. */
+  json?: comments.State;
+
+  /**
+   * @param opt_comment The created comment.
+   *     Undefined for a blank event.
+   */
+  constructor(opt_comment?: WorkspaceComment) {
+    super(opt_comment);
+
+    if (!opt_comment) {
+      return; // Blank event to be populated by fromJson.
+    }
+
+    this.xml = Xml.saveWorkspaceComment(opt_comment);
+    this.json = comments.save(opt_comment, {addCoordinates: true});
+  }
+
+  // TODO (#1266): "Full" and "minimal" serialization.
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): CommentCreateJson {
+    const json = super.toJson() as CommentCreateJson;
+    if (!this.xml) {
+      throw new Error(
+        'The comment XML is undefined. Either pass a comment to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (!this.json) {
+      throw new Error(
+        'The comment JSON is undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    json['xml'] = Xml.domToText(this.xml);
+    json['json'] = this.json;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of CommentCreate, but we can't specify that due to the fact that
+   *     parameters to static methods in subclasses must be supertypes of
+   *     parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: CommentCreateJson,
+    workspace: Workspace,
+    event?: any,
+  ): CommentCreate {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new CommentCreate(),
+    ) as CommentCreate;
+    newEvent.xml = utilsXml.textToDom(json['xml']);
+    newEvent.json = json['json'];
+    return newEvent;
+  }
+
+  /**
+   * Run a creation event.
+   *
+   * @param forward True if run forward, false if run backward (undo).
+   */
+  override run(forward: boolean) {
+    CommentBase.CommentCreateDeleteHelper(this, forward);
+  }
+}
+
+export interface CommentCreateJson extends CommentBaseJson {
+  xml: string;
+  json: object;
+}
+
+registry.register(
+  registry.Type.EVENT,
+  eventUtils.COMMENT_CREATE,
+  CommentCreate,
+);
diff --git a/core/events/events_comment_delete.ts b/core/events/events_comment_delete.ts
new file mode 100644
index 00000000000..62f8916fb3b
--- /dev/null
+++ b/core/events/events_comment_delete.ts
@@ -0,0 +1,117 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Class for comment deletion event.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.CommentDelete
+
+import * as registry from '../registry.js';
+import type {WorkspaceComment} from '../comments/workspace_comment.js';
+import * as comments from '../serialization/workspace_comments.js';
+import {CommentBase, CommentBaseJson} from './events_comment_base.js';
+import * as eventUtils from './utils.js';
+import * as utilsXml from '../utils/xml.js';
+import * as Xml from '../xml.js';
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Notifies listeners that a workspace comment has been deleted.
+ */
+export class CommentDelete extends CommentBase {
+  override type = eventUtils.COMMENT_DELETE;
+
+  /** The XML representation of the deleted workspace comment. */
+  xml?: Element;
+
+  /** The JSON representation of the created workspace comment. */
+  json?: comments.State;
+
+  /**
+   * @param opt_comment The deleted comment.
+   *     Undefined for a blank event.
+   */
+  constructor(opt_comment?: WorkspaceComment) {
+    super(opt_comment);
+
+    if (!opt_comment) {
+      return; // Blank event to be populated by fromJson.
+    }
+
+    this.xml = Xml.saveWorkspaceComment(opt_comment);
+    this.json = comments.save(opt_comment, {addCoordinates: true});
+  }
+
+  /**
+   * Run a creation event.
+   *
+   * @param forward True if run forward, false if run backward (undo).
+   */
+  override run(forward: boolean) {
+    CommentBase.CommentCreateDeleteHelper(this, !forward);
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): CommentDeleteJson {
+    const json = super.toJson() as CommentDeleteJson;
+    if (!this.xml) {
+      throw new Error(
+        'The comment XML is undefined. Either pass a comment to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (!this.json) {
+      throw new Error(
+        'The comment JSON is undefined. Either pass a block to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    json['xml'] = Xml.domToText(this.xml);
+    json['json'] = this.json;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of CommentDelete, but we can't specify that due to the fact that
+   *     parameters to static methods in subclasses must be supertypes of
+   *     parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: CommentDeleteJson,
+    workspace: Workspace,
+    event?: any,
+  ): CommentDelete {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new CommentDelete(),
+    ) as CommentDelete;
+    newEvent.xml = utilsXml.textToDom(json['xml']);
+    newEvent.json = json['json'];
+    return newEvent;
+  }
+}
+
+export interface CommentDeleteJson extends CommentBaseJson {
+  xml: string;
+  json: object;
+}
+
+registry.register(
+  registry.Type.EVENT,
+  eventUtils.COMMENT_DELETE,
+  CommentDelete,
+);
diff --git a/core/events/events_comment_move.ts b/core/events/events_comment_move.ts
new file mode 100644
index 00000000000..502ca032f4c
--- /dev/null
+++ b/core/events/events_comment_move.ts
@@ -0,0 +1,207 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Class for comment move event.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.CommentMove
+
+import * as registry from '../registry.js';
+import {Coordinate} from '../utils/coordinate.js';
+import type {WorkspaceComment} from '../comments/workspace_comment.js';
+
+import {CommentBase, CommentBaseJson} from './events_comment_base.js';
+import * as eventUtils from './utils.js';
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Notifies listeners that a workspace comment has moved.
+ */
+export class CommentMove extends CommentBase {
+  override type = eventUtils.COMMENT_MOVE;
+
+  /** The comment that is being moved. */
+  comment_?: WorkspaceComment;
+
+  // TODO(#6774): We should remove underscores.
+  /** The location of the comment before the move, in workspace coordinates. */
+  oldCoordinate_?: Coordinate;
+
+  /** The location of the comment after the move, in workspace coordinates. */
+  newCoordinate_?: Coordinate;
+
+  /**
+   * An explanation of what this move is for.  Known values include:
+   *  'drag' -- A drag operation completed.
+   *  'snap' -- Comment got shifted to line up with the grid.
+   *  'inbounds' -- Block got pushed back into a non-scrolling workspace.
+   *  'create' -- Block created via deserialization.
+   *  'cleanup' -- Workspace aligned top-level blocks.
+   * Event merging may create multiple reasons: ['drag', 'inbounds', 'snap'].
+   */
+  reason?: string[];
+
+  /**
+   * @param opt_comment The comment that is being moved.  Undefined for a blank
+   *     event.
+   */
+  constructor(opt_comment?: WorkspaceComment) {
+    super(opt_comment);
+
+    if (!opt_comment) {
+      return; // Blank event to be populated by fromJson.
+    }
+
+    this.comment_ = opt_comment;
+    this.oldCoordinate_ = opt_comment.getRelativeToSurfaceXY();
+  }
+
+  /**
+   * Record the comment's new location.  Called after the move.  Can only be
+   * called once.
+   */
+  recordNew() {
+    if (this.newCoordinate_) {
+      throw Error(
+        'Tried to record the new position of a comment on the ' +
+          'same event twice.',
+      );
+    }
+    if (!this.comment_) {
+      throw new Error(
+        'The comment is undefined. Pass a comment to ' +
+          'the constructor if you want to use the record functionality',
+      );
+    }
+    this.newCoordinate_ = this.comment_.getRelativeToSurfaceXY();
+  }
+
+  /**
+   * Sets the reason for a move event.
+   *
+   * @param reason Why is this move happening?  'drag', 'bump', 'snap', ...
+   */
+  setReason(reason: string[]) {
+    this.reason = reason;
+  }
+
+  /**
+   * Override the location before the move.  Use this if you don't create the
+   * event until the end of the move, but you know the original location.
+   *
+   * @param xy The location before the move, in workspace coordinates.
+   */
+  setOldCoordinate(xy: Coordinate) {
+    this.oldCoordinate_ = xy;
+  }
+
+  // TODO (#1266): "Full" and "minimal" serialization.
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): CommentMoveJson {
+    const json = super.toJson() as CommentMoveJson;
+    if (!this.oldCoordinate_) {
+      throw new Error(
+        'The old comment position is undefined. Either pass a comment to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (!this.newCoordinate_) {
+      throw new Error(
+        'The new comment position is undefined. Either call recordNew, or ' +
+          'call fromJson',
+      );
+    }
+    json['oldCoordinate'] =
+      `${Math.round(this.oldCoordinate_.x)}, ` +
+      `${Math.round(this.oldCoordinate_.y)}`;
+    json['newCoordinate'] =
+      Math.round(this.newCoordinate_.x) +
+      ',' +
+      Math.round(this.newCoordinate_.y);
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of CommentMove, but we can't specify that due to the fact that
+   *     parameters to static methods in subclasses must be supertypes of
+   *     parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: CommentMoveJson,
+    workspace: Workspace,
+    event?: any,
+  ): CommentMove {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new CommentMove(),
+    ) as CommentMove;
+    let xy = json['oldCoordinate'].split(',');
+    newEvent.oldCoordinate_ = new Coordinate(Number(xy[0]), Number(xy[1]));
+    xy = json['newCoordinate'].split(',');
+    newEvent.newCoordinate_ = new Coordinate(Number(xy[0]), Number(xy[1]));
+    return newEvent;
+  }
+
+  /**
+   * Does this event record any change of state?
+   *
+   * @returns False if something changed.
+   */
+  override isNull(): boolean {
+    return Coordinate.equals(this.oldCoordinate_, this.newCoordinate_);
+  }
+
+  /**
+   * Run a move event.
+   *
+   * @param forward True if run forward, false if run backward (undo).
+   */
+  override run(forward: boolean) {
+    const workspace = this.getEventWorkspace_();
+    if (!this.commentId) {
+      throw new Error(
+        'The comment ID is undefined. Either pass a comment to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    // TODO: Remove cast when we update getCommentById.
+    const comment = workspace.getCommentById(
+      this.commentId,
+    ) as unknown as WorkspaceComment;
+    if (!comment) {
+      console.warn("Can't move non-existent comment: " + this.commentId);
+      return;
+    }
+
+    const target = forward ? this.newCoordinate_ : this.oldCoordinate_;
+    if (!target) {
+      throw new Error(
+        'Either oldCoordinate_ or newCoordinate_ is undefined. ' +
+          'Either pass a comment to the constructor and call recordNew, ' +
+          'or call fromJson',
+      );
+    }
+    comment.moveTo(target);
+  }
+}
+
+export interface CommentMoveJson extends CommentBaseJson {
+  oldCoordinate: string;
+  newCoordinate: string;
+}
+
+registry.register(registry.Type.EVENT, eventUtils.COMMENT_MOVE, CommentMove);
diff --git a/core/events/events_marker_move.ts b/core/events/events_marker_move.ts
new file mode 100644
index 00000000000..f162eeca9a8
--- /dev/null
+++ b/core/events/events_marker_move.ts
@@ -0,0 +1,134 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Events fired as a result of a marker move.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.MarkerMove
+
+import type {Block} from '../block.js';
+import {ASTNode} from '../keyboard_nav/ast_node.js';
+import * as registry from '../registry.js';
+import type {Workspace} from '../workspace.js';
+import {AbstractEventJson} from './events_abstract.js';
+
+import {UiBase} from './events_ui_base.js';
+import * as eventUtils from './utils.js';
+
+/**
+ * Notifies listeners that a marker (used for keyboard navigation) has
+ * moved.
+ */
+export class MarkerMove extends UiBase {
+  /** The ID of the block the marker is now on, if any. */
+  blockId?: string;
+
+  /** The old node the marker used to be on, if any. */
+  oldNode?: ASTNode;
+
+  /** The new node the marker is now on. */
+  newNode?: ASTNode;
+
+  /**
+   * True if this is a cursor event, false otherwise.
+   * For information about cursors vs markers see {@link
+   * https://blocklycodelabs.dev/codelabs/keyboard-navigation/index.html?index=..%2F..index#1}.
+   */
+  isCursor?: boolean;
+
+  override type = eventUtils.MARKER_MOVE;
+
+  /**
+   * @param opt_block The affected block. Null if current node is of type
+   *     workspace. Undefined for a blank event.
+   * @param isCursor Whether this is a cursor event. Undefined for a blank
+   *     event.
+   * @param opt_oldNode The old node the marker used to be on.
+   *    Undefined for a blank event.
+   * @param opt_newNode The new node the marker is now on.
+   *    Undefined for a blank event.
+   */
+  constructor(
+    opt_block?: Block | null,
+    isCursor?: boolean,
+    opt_oldNode?: ASTNode | null,
+    opt_newNode?: ASTNode,
+  ) {
+    let workspaceId = opt_block ? opt_block.workspace.id : undefined;
+    if (opt_newNode && opt_newNode.getType() === ASTNode.types.WORKSPACE) {
+      workspaceId = (opt_newNode.getLocation() as Workspace).id;
+    }
+    super(workspaceId);
+
+    this.blockId = opt_block?.id;
+    this.oldNode = opt_oldNode || undefined;
+    this.newNode = opt_newNode;
+    this.isCursor = isCursor;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): MarkerMoveJson {
+    const json = super.toJson() as MarkerMoveJson;
+    if (this.isCursor === undefined) {
+      throw new Error(
+        'Whether this is a cursor event or not is undefined. Either pass ' +
+          'a value to the constructor, or call fromJson',
+      );
+    }
+    if (!this.newNode) {
+      throw new Error(
+        'The new node is undefined. Either pass a node to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    json['isCursor'] = this.isCursor;
+    json['blockId'] = this.blockId;
+    json['oldNode'] = this.oldNode;
+    json['newNode'] = this.newNode;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of MarkerMove, but we can't specify that due to the fact that
+   *     parameters to static methods in subclasses must be supertypes of
+   *     parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: MarkerMoveJson,
+    workspace: Workspace,
+    event?: any,
+  ): MarkerMove {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new MarkerMove(),
+    ) as MarkerMove;
+    newEvent.isCursor = json['isCursor'];
+    newEvent.blockId = json['blockId'];
+    newEvent.oldNode = json['oldNode'];
+    newEvent.newNode = json['newNode'];
+    return newEvent;
+  }
+}
+
+export interface MarkerMoveJson extends AbstractEventJson {
+  isCursor: boolean;
+  blockId?: string;
+  oldNode?: ASTNode;
+  newNode: ASTNode;
+}
+
+registry.register(registry.Type.EVENT, eventUtils.MARKER_MOVE, MarkerMove);
diff --git a/core/events/events_selected.ts b/core/events/events_selected.ts
new file mode 100644
index 00000000000..c320c67462b
--- /dev/null
+++ b/core/events/events_selected.ts
@@ -0,0 +1,98 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Events fired as a result of element select action.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.Selected
+
+import * as registry from '../registry.js';
+import {AbstractEventJson} from './events_abstract.js';
+
+import {UiBase} from './events_ui_base.js';
+import * as eventUtils from './utils.js';
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Class for a selected event.
+ * Notifies listeners that a new element has been selected.
+ */
+export class Selected extends UiBase {
+  /** The id of the last selected selectable element. */
+  oldElementId?: string;
+
+  /**
+   * The id of the newly selected selectable element,
+   * or undefined if unselected.
+   */
+  newElementId?: string;
+
+  override type = eventUtils.SELECTED;
+
+  /**
+   * @param opt_oldElementId The ID of the previously selected element. Null if
+   *     no element last selected. Undefined for a blank event.
+   * @param opt_newElementId The ID of the selected element. Null if no element
+   *     currently selected (deselect). Undefined for a blank event.
+   * @param opt_workspaceId The workspace identifier for this event.
+   *    Null if no element previously selected. Undefined for a blank event.
+   */
+  constructor(
+    opt_oldElementId?: string | null,
+    opt_newElementId?: string | null,
+    opt_workspaceId?: string,
+  ) {
+    super(opt_workspaceId);
+
+    this.oldElementId = opt_oldElementId ?? undefined;
+    this.newElementId = opt_newElementId ?? undefined;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): SelectedJson {
+    const json = super.toJson() as SelectedJson;
+    json['oldElementId'] = this.oldElementId;
+    json['newElementId'] = this.newElementId;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of Selected, but we can't specify that due to the fact that parameters
+   *     to static methods in subclasses must be supertypes of parameters to
+   *     static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: SelectedJson,
+    workspace: Workspace,
+    event?: any,
+  ): Selected {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new Selected(),
+    ) as Selected;
+    newEvent.oldElementId = json['oldElementId'];
+    newEvent.newElementId = json['newElementId'];
+    return newEvent;
+  }
+}
+
+export interface SelectedJson extends AbstractEventJson {
+  oldElementId?: string;
+  newElementId?: string;
+}
+
+registry.register(registry.Type.EVENT, eventUtils.SELECTED, Selected);
diff --git a/core/events/events_theme_change.ts b/core/events/events_theme_change.ts
new file mode 100644
index 00000000000..c0267ac6caa
--- /dev/null
+++ b/core/events/events_theme_change.ts
@@ -0,0 +1,84 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Events fired as a result of a theme update.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.ThemeChange
+
+import * as registry from '../registry.js';
+import {AbstractEventJson} from './events_abstract.js';
+import {UiBase} from './events_ui_base.js';
+import * as eventUtils from './utils.js';
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Notifies listeners that the workspace theme has changed.
+ */
+export class ThemeChange extends UiBase {
+  /** The name of the new theme that has been set. */
+  themeName?: string;
+
+  override type = eventUtils.THEME_CHANGE;
+
+  /**
+   * @param opt_themeName The theme name. Undefined for a blank event.
+   * @param opt_workspaceId The workspace identifier for this event.
+   *    event. Undefined for a blank event.
+   */
+  constructor(opt_themeName?: string, opt_workspaceId?: string) {
+    super(opt_workspaceId);
+    this.themeName = opt_themeName;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): ThemeChangeJson {
+    const json = super.toJson() as ThemeChangeJson;
+    if (!this.themeName) {
+      throw new Error(
+        'The theme name is undefined. Either pass a theme name to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    json['themeName'] = this.themeName;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of ThemeChange, but we can't specify that due to the fact that
+   *     parameters to static methods in subclasses must be supertypes of
+   *     parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: ThemeChangeJson,
+    workspace: Workspace,
+    event?: any,
+  ): ThemeChange {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new ThemeChange(),
+    ) as ThemeChange;
+    newEvent.themeName = json['themeName'];
+    return newEvent;
+  }
+}
+
+export interface ThemeChangeJson extends AbstractEventJson {
+  themeName: string;
+}
+
+registry.register(registry.Type.EVENT, eventUtils.THEME_CHANGE, ThemeChange);
diff --git a/core/events/events_toolbox_item_select.ts b/core/events/events_toolbox_item_select.ts
new file mode 100644
index 00000000000..f1810deadc2
--- /dev/null
+++ b/core/events/events_toolbox_item_select.ts
@@ -0,0 +1,96 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Events fired as a result of selecting an item on the toolbox.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.ToolboxItemSelect
+
+import * as registry from '../registry.js';
+import {AbstractEventJson} from './events_abstract.js';
+import {UiBase} from './events_ui_base.js';
+import * as eventUtils from './utils.js';
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Notifies listeners that a toolbox item has been selected.
+ */
+export class ToolboxItemSelect extends UiBase {
+  /** The previously selected toolbox item. */
+  oldItem?: string;
+
+  /** The newly selected toolbox item. */
+  newItem?: string;
+
+  override type = eventUtils.TOOLBOX_ITEM_SELECT;
+
+  /**
+   * @param opt_oldItem The previously selected toolbox item.
+   *     Undefined for a blank event.
+   * @param opt_newItem The newly selected toolbox item. Undefined for a blank
+   *     event.
+   * @param opt_workspaceId The workspace identifier for this event.
+   *    Undefined for a blank event.
+   */
+  constructor(
+    opt_oldItem?: string | null,
+    opt_newItem?: string | null,
+    opt_workspaceId?: string,
+  ) {
+    super(opt_workspaceId);
+    this.oldItem = opt_oldItem ?? undefined;
+    this.newItem = opt_newItem ?? undefined;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): ToolboxItemSelectJson {
+    const json = super.toJson() as ToolboxItemSelectJson;
+    json['oldItem'] = this.oldItem;
+    json['newItem'] = this.newItem;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of ToolboxItemSelect, but we can't specify that due to the fact that
+   *     parameters to static methods in subclasses must be supertypes of
+   *     parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: ToolboxItemSelectJson,
+    workspace: Workspace,
+    event?: any,
+  ): ToolboxItemSelect {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new ToolboxItemSelect(),
+    ) as ToolboxItemSelect;
+    newEvent.oldItem = json['oldItem'];
+    newEvent.newItem = json['newItem'];
+    return newEvent;
+  }
+}
+
+export interface ToolboxItemSelectJson extends AbstractEventJson {
+  oldItem?: string;
+  newItem?: string;
+}
+
+registry.register(
+  registry.Type.EVENT,
+  eventUtils.TOOLBOX_ITEM_SELECT,
+  ToolboxItemSelect,
+);
diff --git a/core/events/events_trashcan_open.ts b/core/events/events_trashcan_open.ts
new file mode 100644
index 00000000000..745e7459cf8
--- /dev/null
+++ b/core/events/events_trashcan_open.ts
@@ -0,0 +1,88 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Events fired as a result of trashcan flyout open and close.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.TrashcanOpen
+
+import * as registry from '../registry.js';
+import {AbstractEventJson} from './events_abstract.js';
+
+import {UiBase} from './events_ui_base.js';
+import * as eventUtils from './utils.js';
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Notifies listeners when the trashcan is opening or closing.
+ */
+export class TrashcanOpen extends UiBase {
+  /**
+   * True if the trashcan is currently opening (previously closed).
+   * False if it is currently closing (previously open).
+   */
+  isOpen?: boolean;
+  override type = eventUtils.TRASHCAN_OPEN;
+
+  /**
+   * @param opt_isOpen Whether the trashcan flyout is opening (false if
+   *     opening). Undefined for a blank event.
+   * @param opt_workspaceId The workspace identifier for this event.
+   *    Undefined for a blank event.
+   */
+  constructor(opt_isOpen?: boolean, opt_workspaceId?: string) {
+    super(opt_workspaceId);
+    this.isOpen = opt_isOpen;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): TrashcanOpenJson {
+    const json = super.toJson() as TrashcanOpenJson;
+    if (this.isOpen === undefined) {
+      throw new Error(
+        'Whether this is already open or not is undefined. Either pass ' +
+          'a value to the constructor, or call fromJson',
+      );
+    }
+    json['isOpen'] = this.isOpen;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of TrashcanOpen, but we can't specify that due to the fact that
+   *     parameters to static methods in subclasses must be supertypes of
+   *     parameters to static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: TrashcanOpenJson,
+    workspace: Workspace,
+    event?: any,
+  ): TrashcanOpen {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new TrashcanOpen(),
+    ) as TrashcanOpen;
+    newEvent.isOpen = json['isOpen'];
+    return newEvent;
+  }
+}
+
+export interface TrashcanOpenJson extends AbstractEventJson {
+  isOpen: boolean;
+}
+
+registry.register(registry.Type.EVENT, eventUtils.TRASHCAN_OPEN, TrashcanOpen);
diff --git a/core/events/events_ui_base.ts b/core/events/events_ui_base.ts
new file mode 100644
index 00000000000..23fe3b4e273
--- /dev/null
+++ b/core/events/events_ui_base.ts
@@ -0,0 +1,47 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Base class for events fired as a result of UI actions in
+ * Blockly's editor.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.UiBase
+
+import {Abstract as AbstractEvent} from './events_abstract.js';
+
+/**
+ * Base class for a UI event.
+ * UI events are events that don't need to be sent over the wire for multi-user
+ * editing to work (e.g. scrolling the workspace, zooming, opening toolbox
+ * categories).
+ * UI events do not undo or redo.
+ */
+export class UiBase extends AbstractEvent {
+  override isBlank = true;
+  override workspaceId: string;
+
+  // UI events do not undo or redo.
+  override recordUndo = false;
+
+  /** Whether or not the event is a UI event. */
+  override isUiEvent = true;
+
+  /**
+   * @param opt_workspaceId The workspace identifier for this event.
+   *    Undefined for a blank event.
+   */
+  constructor(opt_workspaceId?: string) {
+    super();
+
+    /** Whether or not the event is blank (to be populated by fromJson). */
+    this.isBlank = typeof opt_workspaceId === 'undefined';
+
+    /** The workspace identifier for this event. */
+    this.workspaceId = opt_workspaceId ? opt_workspaceId : '';
+  }
+}
diff --git a/core/events/events_var_base.ts b/core/events/events_var_base.ts
new file mode 100644
index 00000000000..74537f144ff
--- /dev/null
+++ b/core/events/events_var_base.ts
@@ -0,0 +1,86 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Abstract class for a variable event.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.VarBase
+
+import type {VariableModel} from '../variable_model.js';
+
+import {
+  Abstract as AbstractEvent,
+  AbstractEventJson,
+} from './events_abstract.js';
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Abstract class for a variable event.
+ */
+export class VarBase extends AbstractEvent {
+  override isBlank = true;
+  /** The ID of the variable this event references. */
+  varId?: string;
+
+  /**
+   * @param opt_variable The variable this event corresponds to.  Undefined for
+   *     a blank event.
+   */
+  constructor(opt_variable?: VariableModel) {
+    super();
+    this.isBlank = typeof opt_variable === 'undefined';
+    if (!opt_variable) return;
+
+    this.varId = opt_variable.getId();
+    this.workspaceId = opt_variable.workspace.id;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): VarBaseJson {
+    const json = super.toJson() as VarBaseJson;
+    if (!this.varId) {
+      throw new Error(
+        'The var ID is undefined. Either pass a variable to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    json['varId'] = this.varId;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of VarBase, but we can't specify that due to the fact that parameters
+   *     to static methods in subclasses must be supertypes of parameters to
+   *     static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: VarBaseJson,
+    workspace: Workspace,
+    event?: any,
+  ): VarBase {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new VarBase(),
+    ) as VarBase;
+    newEvent.varId = json['varId'];
+    return newEvent;
+  }
+}
+
+export interface VarBaseJson extends AbstractEventJson {
+  varId: string;
+}
diff --git a/core/events/events_var_create.ts b/core/events/events_var_create.ts
new file mode 100644
index 00000000000..a719cad985a
--- /dev/null
+++ b/core/events/events_var_create.ts
@@ -0,0 +1,126 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Class for a variable creation event.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.VarCreate
+
+import * as registry from '../registry.js';
+import type {VariableModel} from '../variable_model.js';
+
+import {VarBase, VarBaseJson} from './events_var_base.js';
+import * as eventUtils from './utils.js';
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Notifies listeners that a variable model has been created.
+ */
+export class VarCreate extends VarBase {
+  override type = eventUtils.VAR_CREATE;
+
+  /** The type of the variable that was created. */
+  varType?: string;
+
+  /** The name of the variable that was created. */
+  varName?: string;
+
+  /**
+   * @param opt_variable The created variable. Undefined for a blank event.
+   */
+  constructor(opt_variable?: VariableModel) {
+    super(opt_variable);
+
+    if (!opt_variable) {
+      return; // Blank event to be populated by fromJson.
+    }
+    this.varType = opt_variable.type;
+    this.varName = opt_variable.name;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): VarCreateJson {
+    const json = super.toJson() as VarCreateJson;
+    if (this.varType === undefined) {
+      throw new Error(
+        'The var type is undefined. Either pass a variable to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (!this.varName) {
+      throw new Error(
+        'The var name is undefined. Either pass a variable to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    json['varType'] = this.varType;
+    json['varName'] = this.varName;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of VarCreate, but we can't specify that due to the fact that parameters
+   *     to static methods in subclasses must be supertypes of parameters to
+   *     static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: VarCreateJson,
+    workspace: Workspace,
+    event?: any,
+  ): VarCreate {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new VarCreate(),
+    ) as VarCreate;
+    newEvent.varType = json['varType'];
+    newEvent.varName = json['varName'];
+    return newEvent;
+  }
+
+  /**
+   * Run a variable creation event.
+   *
+   * @param forward True if run forward, false if run backward (undo).
+   */
+  override run(forward: boolean) {
+    const workspace = this.getEventWorkspace_();
+    if (!this.varId) {
+      throw new Error(
+        'The var ID is undefined. Either pass a variable to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (!this.varName) {
+      throw new Error(
+        'The var name is undefined. Either pass a variable to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (forward) {
+      workspace.createVariable(this.varName, this.varType, this.varId);
+    } else {
+      workspace.deleteVariableById(this.varId);
+    }
+  }
+}
+
+export interface VarCreateJson extends VarBaseJson {
+  varType: string;
+  varName: string;
+}
+
+registry.register(registry.Type.EVENT, eventUtils.VAR_CREATE, VarCreate);
diff --git a/core/events/events_var_delete.ts b/core/events/events_var_delete.ts
new file mode 100644
index 00000000000..fc19461d4cd
--- /dev/null
+++ b/core/events/events_var_delete.ts
@@ -0,0 +1,121 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Events.VarDelete
+
+import * as registry from '../registry.js';
+import type {VariableModel} from '../variable_model.js';
+
+import {VarBase, VarBaseJson} from './events_var_base.js';
+import * as eventUtils from './utils.js';
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Notifies listeners that a variable model has been deleted.
+ *
+ * @class
+ */
+export class VarDelete extends VarBase {
+  override type = eventUtils.VAR_DELETE;
+  /** The type of the variable that was deleted. */
+  varType?: string;
+  /** The name of the variable that was deleted. */
+  varName?: string;
+
+  /**
+   * @param opt_variable The deleted variable. Undefined for a blank event.
+   */
+  constructor(opt_variable?: VariableModel) {
+    super(opt_variable);
+
+    if (!opt_variable) {
+      return; // Blank event to be populated by fromJson.
+    }
+    this.varType = opt_variable.type;
+    this.varName = opt_variable.name;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): VarDeleteJson {
+    const json = super.toJson() as VarDeleteJson;
+    if (this.varType === undefined) {
+      throw new Error(
+        'The var type is undefined. Either pass a variable to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (!this.varName) {
+      throw new Error(
+        'The var name is undefined. Either pass a variable to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    json['varType'] = this.varType;
+    json['varName'] = this.varName;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of VarDelete, but we can't specify that due to the fact that parameters
+   *     to static methods in subclasses must be supertypes of parameters to
+   *     static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: VarDeleteJson,
+    workspace: Workspace,
+    event?: any,
+  ): VarDelete {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new VarDelete(),
+    ) as VarDelete;
+    newEvent.varType = json['varType'];
+    newEvent.varName = json['varName'];
+    return newEvent;
+  }
+
+  /**
+   * Run a variable deletion event.
+   *
+   * @param forward True if run forward, false if run backward (undo).
+   */
+  override run(forward: boolean) {
+    const workspace = this.getEventWorkspace_();
+    if (!this.varId) {
+      throw new Error(
+        'The var ID is undefined. Either pass a variable to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (!this.varName) {
+      throw new Error(
+        'The var name is undefined. Either pass a variable to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (forward) {
+      workspace.deleteVariableById(this.varId);
+    } else {
+      workspace.createVariable(this.varName, this.varType, this.varId);
+    }
+  }
+}
+
+export interface VarDeleteJson extends VarBaseJson {
+  varType: string;
+  varName: string;
+}
+
+registry.register(registry.Type.EVENT, eventUtils.VAR_DELETE, VarDelete);
diff --git a/core/events/events_var_rename.ts b/core/events/events_var_rename.ts
new file mode 100644
index 00000000000..3bb1e90eb56
--- /dev/null
+++ b/core/events/events_var_rename.ts
@@ -0,0 +1,130 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Events.VarRename
+
+import * as registry from '../registry.js';
+import type {VariableModel} from '../variable_model.js';
+
+import {VarBase, VarBaseJson} from './events_var_base.js';
+import * as eventUtils from './utils.js';
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Notifies listeners that a variable model was renamed.
+ *
+ * @class
+ */
+export class VarRename extends VarBase {
+  override type = eventUtils.VAR_RENAME;
+
+  /** The previous name of the variable. */
+  oldName?: string;
+
+  /** The new name of the variable. */
+  newName?: string;
+
+  /**
+   * @param opt_variable The renamed variable. Undefined for a blank event.
+   * @param newName The new name the variable will be changed to.
+   */
+  constructor(opt_variable?: VariableModel, newName?: string) {
+    super(opt_variable);
+
+    if (!opt_variable) {
+      return; // Blank event to be populated by fromJson.
+    }
+    this.oldName = opt_variable.name;
+    this.newName = typeof newName === 'undefined' ? '' : newName;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): VarRenameJson {
+    const json = super.toJson() as VarRenameJson;
+    if (!this.oldName) {
+      throw new Error(
+        'The old var name is undefined. Either pass a variable to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (!this.newName) {
+      throw new Error(
+        'The new var name is undefined. Either pass a value to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    json['oldName'] = this.oldName;
+    json['newName'] = this.newName;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of VarRename, but we can't specify that due to the fact that parameters
+   *     to static methods in subclasses must be supertypes of parameters to
+   *     static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: VarRenameJson,
+    workspace: Workspace,
+    event?: any,
+  ): VarRename {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new VarRename(),
+    ) as VarRename;
+    newEvent.oldName = json['oldName'];
+    newEvent.newName = json['newName'];
+    return newEvent;
+  }
+
+  /**
+   * Run a variable rename event.
+   *
+   * @param forward True if run forward, false if run backward (undo).
+   */
+  override run(forward: boolean) {
+    const workspace = this.getEventWorkspace_();
+    if (!this.varId) {
+      throw new Error(
+        'The var ID is undefined. Either pass a variable to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (!this.oldName) {
+      throw new Error(
+        'The old var name is undefined. Either pass a variable to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (!this.newName) {
+      throw new Error(
+        'The new var name is undefined. Either pass a value to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (forward) {
+      workspace.renameVariableById(this.varId, this.newName);
+    } else {
+      workspace.renameVariableById(this.varId, this.oldName);
+    }
+  }
+}
+
+export interface VarRenameJson extends VarBaseJson {
+  oldName: string;
+  newName: string;
+}
+
+registry.register(registry.Type.EVENT, eventUtils.VAR_RENAME, VarRename);
diff --git a/core/events/events_viewport.ts b/core/events/events_viewport.ts
new file mode 100644
index 00000000000..aff236e48a2
--- /dev/null
+++ b/core/events/events_viewport.ts
@@ -0,0 +1,149 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Events fired as a result of a viewport change.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.ViewportChange
+
+import * as registry from '../registry.js';
+import {AbstractEventJson} from './events_abstract.js';
+import {UiBase} from './events_ui_base.js';
+import * as eventUtils from './utils.js';
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Notifies listeners that the workspace surface's position or scale has
+ * changed.
+ *
+ * Does not notify when the workspace itself resizes.
+ */
+export class ViewportChange extends UiBase {
+  /**
+   * Top edge of the visible portion of the workspace, relative to the
+   * workspace origin.
+   */
+  viewTop?: number;
+
+  /**
+   * The left edge of the visible portion of the workspace, relative to
+   * the workspace origin.
+   */
+  viewLeft?: number;
+
+  /** The scale of the workpace. */
+  scale?: number;
+
+  /** The previous scale of the workspace. */
+  oldScale?: number;
+
+  override type = eventUtils.VIEWPORT_CHANGE;
+
+  /**
+   * @param opt_top Top-edge of the visible portion of the workspace, relative
+   *     to the workspace origin. Undefined for a blank event.
+   * @param opt_left Left-edge of the visible portion of the workspace relative
+   *     to the workspace origin. Undefined for a blank event.
+   * @param opt_scale The scale of the workspace. Undefined for a blank event.
+   * @param opt_workspaceId The workspace identifier for this event.
+   *    Undefined for a blank event.
+   * @param opt_oldScale The old scale of the workspace. Undefined for a blank
+   *     event.
+   */
+  constructor(
+    opt_top?: number,
+    opt_left?: number,
+    opt_scale?: number,
+    opt_workspaceId?: string,
+    opt_oldScale?: number,
+  ) {
+    super(opt_workspaceId);
+
+    this.viewTop = opt_top;
+    this.viewLeft = opt_left;
+    this.scale = opt_scale;
+    this.oldScale = opt_oldScale;
+  }
+
+  /**
+   * Encode the event as JSON.
+   *
+   * @returns JSON representation.
+   */
+  override toJson(): ViewportChangeJson {
+    const json = super.toJson() as ViewportChangeJson;
+    if (this.viewTop === undefined) {
+      throw new Error(
+        'The view top is undefined. Either pass a value to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (this.viewLeft === undefined) {
+      throw new Error(
+        'The view left is undefined. Either pass a value to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (this.scale === undefined) {
+      throw new Error(
+        'The scale is undefined. Either pass a value to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    if (this.oldScale === undefined) {
+      throw new Error(
+        'The old scale is undefined. Either pass a value to ' +
+          'the constructor, or call fromJson',
+      );
+    }
+    json['viewTop'] = this.viewTop;
+    json['viewLeft'] = this.viewLeft;
+    json['scale'] = this.scale;
+    json['oldScale'] = this.oldScale;
+    return json;
+  }
+
+  /**
+   * Deserializes the JSON event.
+   *
+   * @param event The event to append new properties to. Should be a subclass
+   *     of Viewport, but we can't specify that due to the fact that parameters
+   *     to static methods in subclasses must be supertypes of parameters to
+   *     static methods in superclasses.
+   * @internal
+   */
+  static fromJson(
+    json: ViewportChangeJson,
+    workspace: Workspace,
+    event?: any,
+  ): ViewportChange {
+    const newEvent = super.fromJson(
+      json,
+      workspace,
+      event ?? new ViewportChange(),
+    ) as ViewportChange;
+    newEvent.viewTop = json['viewTop'];
+    newEvent.viewLeft = json['viewLeft'];
+    newEvent.scale = json['scale'];
+    newEvent.oldScale = json['oldScale'];
+    return newEvent;
+  }
+}
+
+export interface ViewportChangeJson extends AbstractEventJson {
+  viewTop: number;
+  viewLeft: number;
+  scale: number;
+  oldScale: number;
+}
+
+registry.register(
+  registry.Type.EVENT,
+  eventUtils.VIEWPORT_CHANGE,
+  ViewportChange,
+);
diff --git a/core/events/utils.ts b/core/events/utils.ts
new file mode 100644
index 00000000000..eacf0490673
--- /dev/null
+++ b/core/events/utils.ts
@@ -0,0 +1,578 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Events.utils
+
+import type {Block} from '../block.js';
+import * as common from '../common.js';
+import * as registry from '../registry.js';
+import * as idGenerator from '../utils/idgenerator.js';
+import type {Workspace} from '../workspace.js';
+import type {WorkspaceSvg} from '../workspace_svg.js';
+
+import type {Abstract} from './events_abstract.js';
+import type {BlockChange} from './events_block_change.js';
+import type {BlockCreate} from './events_block_create.js';
+import type {BlockMove} from './events_block_move.js';
+import type {CommentCreate} from './events_comment_create.js';
+import type {CommentMove} from './events_comment_move.js';
+import type {ViewportChange} from './events_viewport.js';
+
+/** Group ID for new events.  Grouped events are indivisible. */
+let group = '';
+
+/** Sets whether the next event should be added to the undo stack. */
+let recordUndo = true;
+
+/**
+ * Sets whether events should be added to the undo stack.
+ *
+ * @param newValue True if events should be added to the undo stack.
+ */
+export function setRecordUndo(newValue: boolean) {
+  recordUndo = newValue;
+}
+
+/**
+ * Returns whether or not events will be added to the undo stack.
+ *
+ * @returns True if events will be added to the undo stack.
+ */
+export function getRecordUndo(): boolean {
+  return recordUndo;
+}
+
+/** Allow change events to be created and fired. */
+let disabled = 0;
+
+/**
+ * Name of event that creates a block. Will be deprecated for BLOCK_CREATE.
+ */
+export const CREATE = 'create';
+
+/**
+ * Name of event that creates a block.
+ */
+export const BLOCK_CREATE = CREATE;
+
+/**
+ * Name of event that deletes a block. Will be deprecated for BLOCK_DELETE.
+ */
+export const DELETE = 'delete';
+
+/**
+ * Name of event that deletes a block.
+ */
+export const BLOCK_DELETE = DELETE;
+
+/**
+ * Name of event that changes a block. Will be deprecated for BLOCK_CHANGE.
+ */
+export const CHANGE = 'change';
+
+/**
+ * Name of event that changes a block.
+ */
+export const BLOCK_CHANGE = CHANGE;
+
+/**
+ * Name of event representing an in-progress change to a field of a block, which
+ * is expected to be followed by a block change event.
+ */
+export const BLOCK_FIELD_INTERMEDIATE_CHANGE =
+  'block_field_intermediate_change';
+
+/**
+ * Name of event that moves a block. Will be deprecated for BLOCK_MOVE.
+ */
+export const MOVE = 'move';
+
+/**
+ * Name of event that moves a block.
+ */
+export const BLOCK_MOVE = MOVE;
+
+/**
+ * Name of event that creates a variable.
+ */
+export const VAR_CREATE = 'var_create';
+
+/**
+ * Name of event that deletes a variable.
+ */
+export const VAR_DELETE = 'var_delete';
+
+/**
+ * Name of event that renames a variable.
+ */
+export const VAR_RENAME = 'var_rename';
+
+/**
+ * Name of generic event that records a UI change.
+ */
+export const UI = 'ui';
+
+/**
+ * Name of event that record a block drags a block.
+ */
+export const BLOCK_DRAG = 'drag';
+
+/**
+ * Name of event that records a change in selected element.
+ */
+export const SELECTED = 'selected';
+
+/**
+ * Name of event that records a click.
+ */
+export const CLICK = 'click';
+
+/**
+ * Name of event that records a marker move.
+ */
+export const MARKER_MOVE = 'marker_move';
+
+/**
+ * Name of event that records a bubble open.
+ */
+export const BUBBLE_OPEN = 'bubble_open';
+
+/**
+ * Name of event that records a trashcan open.
+ */
+export const TRASHCAN_OPEN = 'trashcan_open';
+
+/**
+ * Name of event that records a toolbox item select.
+ */
+export const TOOLBOX_ITEM_SELECT = 'toolbox_item_select';
+
+/**
+ * Name of event that records a theme change.
+ */
+export const THEME_CHANGE = 'theme_change';
+
+/**
+ * Name of event that records a viewport change.
+ */
+export const VIEWPORT_CHANGE = 'viewport_change';
+
+/**
+ * Name of event that creates a comment.
+ */
+export const COMMENT_CREATE = 'comment_create';
+
+/**
+ * Name of event that deletes a comment.
+ */
+export const COMMENT_DELETE = 'comment_delete';
+
+/**
+ * Name of event that changes a comment.
+ */
+export const COMMENT_CHANGE = 'comment_change';
+
+/**
+ * Name of event that moves a comment.
+ */
+export const COMMENT_MOVE = 'comment_move';
+
+/** Type of event that moves a comment. */
+export const COMMENT_COLLAPSE = 'comment_collapse';
+
+/**
+ * Name of event that records a workspace load.
+ */
+export const FINISHED_LOADING = 'finished_loading';
+
+/**
+ * The language-neutral ID for when the reason why a block is disabled is
+ * because the block is not descended from a root block.
+ */
+const ORPHANED_BLOCK_DISABLED_REASON = 'ORPHANED_BLOCK';
+
+/**
+ * Type of events that cause objects to be bumped back into the visible
+ * portion of the workspace.
+ *
+ * Not to be confused with bumping so that disconnected connections do not
+ * appear connected.
+ */
+export type BumpEvent = BlockCreate | BlockMove | CommentCreate | CommentMove;
+
+/**
+ * List of events that cause objects to be bumped back into the visible
+ * portion of the workspace.
+ *
+ * Not to be confused with bumping so that disconnected connections do not
+ * appear connected.
+ */
+export const BUMP_EVENTS: string[] = [
+  BLOCK_CREATE,
+  BLOCK_MOVE,
+  COMMENT_CREATE,
+  COMMENT_MOVE,
+];
+
+/** List of events queued for firing. */
+const FIRE_QUEUE: Abstract[] = [];
+
+/**
+ * Create a custom event and fire it.
+ *
+ * @param event Custom data for event.
+ */
+export function fire(event: Abstract) {
+  TEST_ONLY.fireInternal(event);
+}
+
+/**
+ * Private version of fireInternal for stubbing in tests.
+ */
+function fireInternal(event: Abstract) {
+  if (!isEnabled()) {
+    return;
+  }
+  if (!FIRE_QUEUE.length) {
+    // First event added; schedule a firing of the event queue.
+    try {
+      // If we are in a browser context, we want to make sure that the event
+      // fires after blocks have been rerendered this frame.
+      requestAnimationFrame(() => {
+        setTimeout(fireNow, 0);
+      });
+    } catch (e) {
+      // Otherwise we just want to delay so events can be coallesced.
+      // requestAnimationFrame will error triggering this.
+      setTimeout(fireNow, 0);
+    }
+  }
+  FIRE_QUEUE.push(event);
+}
+
+/** Fire all queued events. */
+function fireNow() {
+  const queue = filter(FIRE_QUEUE, true);
+  FIRE_QUEUE.length = 0;
+  for (let i = 0, event; (event = queue[i]); i++) {
+    if (!event.workspaceId) {
+      continue;
+    }
+    const eventWorkspace = common.getWorkspaceById(event.workspaceId);
+    if (eventWorkspace) {
+      eventWorkspace.fireChangeListener(event);
+    }
+  }
+
+  // Post-filter the undo stack to squash and remove any events that result in
+  // a null event
+
+  // 1. Determine which workspaces will need to have their undo stacks validated
+  const workspaceIds = new Set(queue.map((e) => e.workspaceId));
+  for (const workspaceId of workspaceIds) {
+    // Only process valid workspaces
+    if (!workspaceId) {
+      continue;
+    }
+    const eventWorkspace = common.getWorkspaceById(workspaceId);
+    if (!eventWorkspace) {
+      continue;
+    }
+
+    // Find the last contiguous group of events on the stack
+    const undoStack = eventWorkspace.getUndoStack();
+    let i;
+    let group: string | undefined = undefined;
+    for (i = undoStack.length; i > 0; i--) {
+      const event = undoStack[i - 1];
+      if (event.group === '') {
+        break;
+      } else if (group === undefined) {
+        group = event.group;
+      } else if (event.group !== group) {
+        break;
+      }
+    }
+    if (!group || i == undoStack.length - 1) {
+      // Need a group of two or more events on the stack. Nothing to do here.
+      continue;
+    }
+
+    // Extract the event group, filter, and add back to the undo stack
+    let events = undoStack.splice(i, undoStack.length - i);
+    events = filter(events, true);
+    undoStack.push(...events);
+  }
+}
+
+/**
+ * Filter the queued events and merge duplicates.
+ *
+ * @param queueIn Array of events.
+ * @param forward True if forward (redo), false if backward (undo).
+ * @returns Array of filtered events.
+ */
+export function filter(queueIn: Abstract[], forward: boolean): Abstract[] {
+  let queue = queueIn.slice();
+  // Shallow copy of queue.
+  if (!forward) {
+    // Undo is merged in reverse order.
+    queue.reverse();
+  }
+  const mergedQueue = [];
+  const hash = Object.create(null);
+  // Merge duplicates.
+  for (let i = 0, event; (event = queue[i]); i++) {
+    if (!event.isNull()) {
+      // Treat all UI events as the same type in hash table.
+      const eventType = event.isUiEvent ? UI : event.type;
+      // TODO(#5927): Check whether `blockId` exists before accessing it.
+      const blockId = (event as AnyDuringMigration).blockId;
+      const key = [eventType, blockId, event.workspaceId].join(' ');
+
+      const lastEntry = hash[key];
+      const lastEvent = lastEntry ? lastEntry.event : null;
+      if (!lastEntry) {
+        // Each item in the hash table has the event and the index of that event
+        // in the input array.  This lets us make sure we only merge adjacent
+        // move events.
+        hash[key] = {event, index: i};
+        mergedQueue.push(event);
+      } else if (event.type === MOVE && lastEntry.index === i - 1) {
+        const moveEvent = event as BlockMove;
+        // Merge move events.
+        lastEvent.newParentId = moveEvent.newParentId;
+        lastEvent.newInputName = moveEvent.newInputName;
+        lastEvent.newCoordinate = moveEvent.newCoordinate;
+        if (moveEvent.reason) {
+          if (lastEvent.reason) {
+            // Concatenate reasons without duplicates.
+            const reasonSet = new Set(
+              moveEvent.reason.concat(lastEvent.reason),
+            );
+            lastEvent.reason = Array.from(reasonSet);
+          } else {
+            lastEvent.reason = moveEvent.reason;
+          }
+        }
+        lastEntry.index = i;
+      } else if (
+        event.type === CHANGE &&
+        (event as BlockChange).element === lastEvent.element &&
+        (event as BlockChange).name === lastEvent.name
+      ) {
+        const changeEvent = event as BlockChange;
+        // Merge change events.
+        lastEvent.newValue = changeEvent.newValue;
+      } else if (event.type === VIEWPORT_CHANGE) {
+        const viewportEvent = event as ViewportChange;
+        // Merge viewport change events.
+        lastEvent.viewTop = viewportEvent.viewTop;
+        lastEvent.viewLeft = viewportEvent.viewLeft;
+        lastEvent.scale = viewportEvent.scale;
+        lastEvent.oldScale = viewportEvent.oldScale;
+      } else if (event.type === CLICK && lastEvent.type === BUBBLE_OPEN) {
+        // Drop click events caused by opening/closing bubbles.
+      } else {
+        // Collision: newer events should merge into this event to maintain
+        // order.
+        hash[key] = {event, index: i};
+        mergedQueue.push(event);
+      }
+    }
+  }
+  // Filter out any events that have become null due to merging.
+  queue = mergedQueue.filter(function (e) {
+    return !e.isNull();
+  });
+  if (!forward) {
+    // Restore undo order.
+    queue.reverse();
+  }
+  // Move mutation events to the top of the queue.
+  // Intentionally skip first event.
+  for (let i = 1, event; (event = queue[i]); i++) {
+    // AnyDuringMigration because:  Property 'element' does not exist on type
+    // 'Abstract'.
+    if (
+      event.type === CHANGE &&
+      (event as AnyDuringMigration).element === 'mutation'
+    ) {
+      queue.unshift(queue.splice(i, 1)[0]);
+    }
+  }
+  return queue;
+}
+
+/**
+ * Modify pending undo events so that when they are fired they don't land
+ * in the undo stack.  Called by Workspace.clearUndo.
+ */
+export function clearPendingUndo() {
+  for (let i = 0, event; (event = FIRE_QUEUE[i]); i++) {
+    event.recordUndo = false;
+  }
+}
+
+/**
+ * Stop sending events.  Every call to this function MUST also call enable.
+ */
+export function disable() {
+  disabled++;
+}
+
+/**
+ * Start sending events.  Unless events were already disabled when the
+ * corresponding call to disable was made.
+ */
+export function enable() {
+  disabled--;
+}
+
+/**
+ * Returns whether events may be fired or not.
+ *
+ * @returns True if enabled.
+ */
+export function isEnabled(): boolean {
+  return disabled === 0;
+}
+
+/**
+ * Current group.
+ *
+ * @returns ID string.
+ */
+export function getGroup(): string {
+  return group;
+}
+
+/**
+ * Start or stop a group.
+ *
+ * @param state True to start new group, false to end group.
+ *   String to set group explicitly.
+ */
+export function setGroup(state: boolean | string) {
+  TEST_ONLY.setGroupInternal(state);
+}
+
+/**
+ * Private version of setGroup for stubbing in tests.
+ */
+function setGroupInternal(state: boolean | string) {
+  if (typeof state === 'boolean') {
+    group = state ? idGenerator.genUid() : '';
+  } else {
+    group = state;
+  }
+}
+
+/**
+ * Compute a list of the IDs of the specified block and all its descendants.
+ *
+ * @param block The root block.
+ * @returns List of block IDs.
+ * @internal
+ */
+export function getDescendantIds(block: Block): string[] {
+  const ids = [];
+  const descendants = block.getDescendants(false);
+  for (let i = 0, descendant; (descendant = descendants[i]); i++) {
+    ids[i] = descendant.id;
+  }
+  return ids;
+}
+
+/**
+ * Decode the JSON into an event.
+ *
+ * @param json JSON representation.
+ * @param workspace Target workspace for event.
+ * @returns The event represented by the JSON.
+ * @throws {Error} if an event type is not found in the registry.
+ */
+export function fromJson(
+  json: AnyDuringMigration,
+  workspace: Workspace,
+): Abstract {
+  const eventClass = get(json['type']);
+  if (!eventClass) throw Error('Unknown event type.');
+
+  return (eventClass as any).fromJson(json, workspace);
+}
+
+/**
+ * Gets the class for a specific event type from the registry.
+ *
+ * @param eventType The type of the event to get.
+ * @returns The event class with the given type.
+ */
+export function get(
+  eventType: string,
+): new (...p1: AnyDuringMigration[]) => Abstract {
+  const event = registry.getClass(registry.Type.EVENT, eventType);
+  if (!event) {
+    throw new Error(`Event type ${eventType} not found in registry.`);
+  }
+  return event;
+}
+
+/**
+ * Set if a block is disabled depending on whether it is properly connected.
+ * Use this on applications where all blocks should be connected to a top block.
+ *
+ * @param event Custom data for event.
+ */
+export function disableOrphans(event: Abstract) {
+  if (event.type === MOVE || event.type === CREATE) {
+    const blockEvent = event as BlockMove | BlockCreate;
+    if (!blockEvent.workspaceId) {
+      return;
+    }
+    const eventWorkspace = common.getWorkspaceById(
+      blockEvent.workspaceId,
+    ) as WorkspaceSvg;
+    if (!blockEvent.blockId) {
+      throw new Error('Encountered a blockEvent without a proper blockId');
+    }
+    let block = eventWorkspace.getBlockById(blockEvent.blockId);
+    if (block) {
+      // Changing blocks as part of this event shouldn't be undoable.
+      const initialUndoFlag = recordUndo;
+      try {
+        recordUndo = false;
+        const parent = block.getParent();
+        if (
+          parent &&
+          !parent.hasDisabledReason(ORPHANED_BLOCK_DISABLED_REASON)
+        ) {
+          const children = block.getDescendants(false);
+          for (let i = 0, child; (child = children[i]); i++) {
+            child.setDisabledReason(false, ORPHANED_BLOCK_DISABLED_REASON);
+          }
+        } else if (
+          (block.outputConnection || block.previousConnection) &&
+          !eventWorkspace.isDragging()
+        ) {
+          do {
+            block.setDisabledReason(true, ORPHANED_BLOCK_DISABLED_REASON);
+            block = block.getNextBlock();
+          } while (block);
+        }
+      } finally {
+        recordUndo = initialUndoFlag;
+      }
+    }
+  }
+}
+
+export const TEST_ONLY = {
+  FIRE_QUEUE,
+  fireNow,
+  fireInternal,
+  setGroupInternal,
+};
diff --git a/core/events/workspace_events.ts b/core/events/workspace_events.ts
new file mode 100644
index 00000000000..225e342b4e8
--- /dev/null
+++ b/core/events/workspace_events.ts
@@ -0,0 +1,46 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Class for a finished loading workspace event.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Events.FinishedLoading
+
+import * as registry from '../registry.js';
+import type {Workspace} from '../workspace.js';
+import {Abstract as AbstractEvent} from './events_abstract.js';
+import * as eventUtils from './utils.js';
+
+/**
+ * Notifies listeners when the workspace has finished deserializing from
+ * JSON/XML.
+ */
+export class FinishedLoading extends AbstractEvent {
+  override isBlank = true;
+  override recordUndo = false;
+  override type = eventUtils.FINISHED_LOADING;
+
+  /**
+   * @param opt_workspace The workspace that has finished loading.  Undefined
+   *     for a blank event.
+   */
+  constructor(opt_workspace?: Workspace) {
+    super();
+    this.isBlank = !!opt_workspace;
+
+    if (!opt_workspace) return;
+
+    this.workspaceId = opt_workspace.id;
+  }
+}
+
+registry.register(
+  registry.Type.EVENT,
+  eventUtils.FINISHED_LOADING,
+  FinishedLoading,
+);
diff --git a/core/events_abstract.js b/core/events_abstract.js
deleted file mode 100644
index 948649f9a31..00000000000
--- a/core/events_abstract.js
+++ /dev/null
@@ -1,106 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Abstract class for events fired as a result of actions in
- *     Blockly's editor.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Events.Abstract');
-
-goog.require('Blockly.Events');
-
-
-/**
- * Abstract class for an event.
- * @constructor
- */
-Blockly.Events.Abstract = function() {
-
-  /**
-   * Whether or not the event is blank (to be populated by fromJson).
-   * @type {?boolean}
-   */
-  this.isBlank = null;
-
-  /**
-   * The workspace identifier for this event.
-   * @type {string|undefined}
-   */
-  this.workspaceId = undefined;
-
-  /**
-   * The event group id for the group this event belongs to. Groups define
-   * events that should be treated as an single action from the user's
-   * perspective, and should be undone together.
-   * @type {string}
-   */
-  this.group = Blockly.Events.getGroup();
-
-  /**
-   * Sets whether the event should be added to the undo stack.
-   * @type {boolean}
-   */
-  this.recordUndo = Blockly.Events.recordUndo;
-};
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-Blockly.Events.Abstract.prototype.toJson = function() {
-  var json = {
-    'type': this.type
-  };
-  if (this.group) {
-    json['group'] = this.group;
-  }
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.Abstract.prototype.fromJson = function(json) {
-  this.isBlank = false;
-  this.group = json['group'];
-};
-
-/**
- * Does this event record any change of state?
- * @return {boolean} True if null, false if something changed.
- */
-Blockly.Events.Abstract.prototype.isNull = function() {
-  return false;
-};
-
-/**
- * Run an event.
- * @param {boolean} _forward True if run forward, false if run backward (undo).
- */
-Blockly.Events.Abstract.prototype.run = function(_forward) {
-  // Defined by subclasses.
-};
-
-/**
- * Get workspace the event belongs to.
- * @return {!Blockly.Workspace} The workspace the event belongs to.
- * @throws {Error} if workspace is null.
- * @protected
- */
-Blockly.Events.Abstract.prototype.getEventWorkspace_ = function() {
-  if (this.workspaceId) {
-    var workspace = Blockly.Workspace.getById(this.workspaceId);
-  }
-  if (!workspace) {
-    throw Error('Workspace is null. Event must have been generated from real' +
-        ' Blockly events.');
-  }
-  return workspace;
-};
diff --git a/core/extensions.js b/core/extensions.js
deleted file mode 100644
index df76c6f910b..00000000000
--- a/core/extensions.js
+++ /dev/null
@@ -1,450 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Extensions are functions that help initialize blocks, usually
- *      adding dynamic behavior such as onchange handlers and mutators. These
- *      are applied using Block.applyExtension(), or the JSON "extensions"
- *      array attribute.
- * @author Anm@anm.me (Andrew n marshall)
- */
-'use strict';
-
-/**
- * @name Blockly.Extensions
- * @namespace
- */
-goog.provide('Blockly.Extensions');
-
-goog.require('Blockly.utils');
-
-
-/**
- * The set of all registered extensions, keyed by extension name/id.
- * @private
- */
-Blockly.Extensions.ALL_ = {};
-
-/**
- * Registers a new extension function. Extensions are functions that help
- * initialize blocks, usually adding dynamic behavior such as onchange
- * handlers and mutators. These are applied using Block.applyExtension(), or
- * the JSON "extensions" array attribute.
- * @param {string} name The name of this extension.
- * @param {Function} initFn The function to initialize an extended block.
- * @throws {Error} if the extension name is empty, the extension is already
- *     registered, or extensionFn is not a function.
- */
-Blockly.Extensions.register = function(name, initFn) {
-  if ((typeof name != 'string') || (name.trim() == '')) {
-    throw Error('Error: Invalid extension name "' + name + '"');
-  }
-  if (Blockly.Extensions.ALL_[name]) {
-    throw Error('Error: Extension "' + name + '" is already registered.');
-  }
-  if (typeof initFn != 'function') {
-    throw Error('Error: Extension "' + name + '" must be a function');
-  }
-  Blockly.Extensions.ALL_[name] = initFn;
-};
-
-/**
- * Registers a new extension function that adds all key/value of mixinObj.
- * @param {string} name The name of this extension.
- * @param {!Object} mixinObj The values to mix in.
- * @throws {Error} if the extension name is empty or the extension is already
- *     registered.
- */
-Blockly.Extensions.registerMixin = function(name, mixinObj) {
-  if (!mixinObj || typeof mixinObj != 'object') {
-    throw Error('Error: Mixin "' + name + '" must be a object');
-  }
-  Blockly.Extensions.register(name, function() {
-    this.mixin(mixinObj);
-  });
-};
-
-/**
- * Registers a new extension function that adds a mutator to the block.
- * At register time this performs some basic sanity checks on the mutator.
- * The wrapper may also add a mutator dialog to the block, if both compose and
- * decompose are defined on the mixin.
- * @param {string} name The name of this mutator extension.
- * @param {!Object} mixinObj The values to mix in.
- * @param {(function())=} opt_helperFn An optional function to apply after
- *     mixing in the object.
- * @param {!Array.<string>=} opt_blockList A list of blocks to appear in the
- *     flyout of the mutator dialog.
- * @throws {Error} if the mutation is invalid or can't be applied to the block.
- */
-Blockly.Extensions.registerMutator = function(name, mixinObj, opt_helperFn,
-    opt_blockList) {
-  var errorPrefix = 'Error when registering mutator "' + name + '": ';
-
-  // Sanity check the mixin object before registering it.
-  Blockly.Extensions.checkHasFunction_(
-      errorPrefix, mixinObj.domToMutation, 'domToMutation');
-  Blockly.Extensions.checkHasFunction_(
-      errorPrefix, mixinObj.mutationToDom, 'mutationToDom');
-
-  var hasMutatorDialog =
-      Blockly.Extensions.checkMutatorDialog_(mixinObj, errorPrefix);
-
-  if (opt_helperFn && (typeof opt_helperFn != 'function')) {
-    throw Error('Extension "' + name + '" is not a function');
-  }
-
-  // Sanity checks passed.
-  Blockly.Extensions.register(name, function() {
-    if (hasMutatorDialog) {
-      if (!Blockly.Mutator) {
-        throw Error(errorPrefix + 'Missing require for Blockly.Mutator');
-      }
-      this.setMutator(new Blockly.Mutator(opt_blockList || []));
-    }
-    // Mixin the object.
-    this.mixin(mixinObj);
-
-    if (opt_helperFn) {
-      opt_helperFn.apply(this);
-    }
-  });
-};
-
-/**
- * Unregisters the extension registered with the given name.
- * @param {string} name The name of the extension to unregister.
- */
-Blockly.Extensions.unregister = function(name) {
-  if (Blockly.Extensions.ALL_[name]) {
-    delete Blockly.Extensions.ALL_[name];
-  } else {
-    console.warn('No extension mapping for name "' + name +
-        '" found to unregister');
-  }
-};
-
-/**
- * Applies an extension method to a block. This should only be called during
- * block construction.
- * @param {string} name The name of the extension.
- * @param {!Blockly.Block} block The block to apply the named extension to.
- * @param {boolean} isMutator True if this extension defines a mutator.
- * @throws {Error} if the extension is not found.
- */
-Blockly.Extensions.apply = function(name, block, isMutator) {
-  var extensionFn = Blockly.Extensions.ALL_[name];
-  if (typeof extensionFn != 'function') {
-    throw Error('Error: Extension "' + name + '" not found.');
-  }
-  if (isMutator) {
-    // Fail early if the block already has mutation properties.
-    Blockly.Extensions.checkNoMutatorProperties_(name, block);
-  } else {
-    // Record the old properties so we can make sure they don't change after
-    // applying the extension.
-    var mutatorProperties = Blockly.Extensions.getMutatorProperties_(block);
-  }
-  extensionFn.apply(block);
-
-  if (isMutator) {
-    var errorPrefix = 'Error after applying mutator "' + name + '": ';
-    Blockly.Extensions.checkBlockHasMutatorProperties_(errorPrefix, block);
-  } else {
-    if (!Blockly.Extensions.mutatorPropertiesMatch_(
-        /** @type {!Array.<Object>} */ (mutatorProperties), block)) {
-      throw Error('Error when applying extension "' + name + '": ' +
-          'mutation properties changed when applying a non-mutator extension.');
-    }
-  }
-};
-
-/**
- * Check that the given value is a function.
- * @param {string} errorPrefix The string to prepend to any error message.
- * @param {*} func Function to check.
- * @param {string} propertyName Which property to check.
- * @throws {Error} if the property does not exist or is not a function.
- * @private
- */
-Blockly.Extensions.checkHasFunction_ = function(errorPrefix, func,
-    propertyName) {
-  if (!func) {
-    throw Error(errorPrefix +
-        'missing required property "' + propertyName + '"');
-  } else if (typeof func != 'function') {
-    throw Error(errorPrefix +
-        '" required property "' + propertyName + '" must be a function');
-  }
-};
-
-/**
- * Check that the given block does not have any of the four mutator properties
- * defined on it.  This function should be called before applying a mutator
- * extension to a block, to make sure we are not overwriting properties.
- * @param {string} mutationName The name of the mutation to reference in error
- *     messages.
- * @param {!Blockly.Block} block The block to check.
- * @throws {Error} if any of the properties already exist on the block.
- * @private
- */
-Blockly.Extensions.checkNoMutatorProperties_ = function(mutationName, block) {
-  var properties = Blockly.Extensions.getMutatorProperties_(block);
-  if (properties.length) {
-    throw Error('Error: tried to apply mutation "' + mutationName +
-        '" to a block that already has mutator functions.' +
-        '  Block id: ' + block.id);
-  }
-};
-
-/**
- * Check that the given object has both or neither of the functions required
- * to have a mutator dialog.
- * These functions are 'compose' and 'decompose'.  If a block has one, it must
- * have both.
- * @param {!Object} object The object to check.
- * @param {string} errorPrefix The string to prepend to any error message.
- * @return {boolean} True if the object has both functions.  False if it has
- *     neither function.
- * @throws {Error} if the object has only one of the functions.
- * @private
- */
-Blockly.Extensions.checkMutatorDialog_ = function(object, errorPrefix) {
-  var hasCompose = object.compose !== undefined;
-  var hasDecompose = object.decompose !== undefined;
-
-  if (hasCompose && hasDecompose) {
-    if (typeof object.compose != 'function') {
-      throw Error(errorPrefix + 'compose must be a function.');
-    } else if (typeof object.decompose != 'function') {
-      throw Error(errorPrefix + 'decompose must be a function.');
-    }
-    return true;
-  } else if (!hasCompose && !hasDecompose) {
-    return false;
-  } else {
-    throw Error(errorPrefix +
-        'Must have both or neither of "compose" and "decompose"');
-  }
-};
-
-/**
- * Check that a block has required mutator properties.  This should be called
- * after applying a mutation extension.
- * @param {string} errorPrefix The string to prepend to any error message.
- * @param {!Blockly.Block} block The block to inspect.
- * @private
- */
-Blockly.Extensions.checkBlockHasMutatorProperties_ = function(errorPrefix,
-    block) {
-  if (typeof block.domToMutation != 'function') {
-    throw Error(errorPrefix + 'Applying a mutator didn\'t add "domToMutation"');
-  }
-  if (typeof block.mutationToDom != 'function') {
-    throw Error(errorPrefix + 'Applying a mutator didn\'t add "mutationToDom"');
-  }
-
-  // A block with a mutator isn't required to have a mutation dialog, but
-  // it should still have both or neither of compose and decompose.
-  Blockly.Extensions.checkMutatorDialog_(block, errorPrefix);
-};
-
-/**
- * Get a list of values of mutator properties on the given block.
- * @param {!Blockly.Block} block The block to inspect.
- * @return {!Array.<Object>} A list with all of the defined properties, which
- *     should be functions, but may be anything other than undefined.
- * @private
- */
-Blockly.Extensions.getMutatorProperties_ = function(block) {
-  var result = [];
-  // List each function explicitly by reference to allow for renaming
-  // during compilation.
-  if (block.domToMutation !== undefined) {
-    result.push(block.domToMutation);
-  }
-  if (block.mutationToDom !== undefined) {
-    result.push(block.mutationToDom);
-  }
-  if (block.compose !== undefined) {
-    result.push(block.compose);
-  }
-  if (block.decompose !== undefined) {
-    result.push(block.decompose);
-  }
-  return result;
-};
-
-/**
- * Check that the current mutator properties match a list of old mutator
- * properties.  This should be called after applying a non-mutator extension,
- * to verify that the extension didn't change properties it shouldn't.
- * @param {!Array.<Object>} oldProperties The old values to compare to.
- * @param {!Blockly.Block} block The block to inspect for new values.
- * @return {boolean} True if the property lists match.
- * @private
- */
-Blockly.Extensions.mutatorPropertiesMatch_ = function(oldProperties, block) {
-  var newProperties = Blockly.Extensions.getMutatorProperties_(block);
-  if (newProperties.length != oldProperties.length) {
-    return false;
-  }
-  for (var i = 0; i < newProperties.length; i++) {
-    if (oldProperties[i] != newProperties[i]) {
-      return false;
-    }
-  }
-  return true;
-};
-
-/**
- * Builds an extension function that will map a dropdown value to a tooltip
- * string.
- *
- * This method includes multiple checks to ensure tooltips, dropdown options,
- * and message references are aligned. This aims to catch errors as early as
- * possible, without requiring developers to manually test tooltips under each
- * option. After the page is loaded, each tooltip text string will be checked
- * for matching message keys in the internationalized string table. Deferring
- * this until the page is loaded decouples loading dependencies. Later, upon
- * loading the first block of any given type, the extension will validate every
- * dropdown option has a matching tooltip in the lookupTable.  Errors are
- * reported as warnings in the console, and are never fatal.
- * @param {string} dropdownName The name of the field whose value is the key
- *     to the lookup table.
- * @param {!Object.<string, string>} lookupTable The table of field values to
- *     tooltip text.
- * @return {!Function} The extension function.
- */
-Blockly.Extensions.buildTooltipForDropdown = function(dropdownName,
-    lookupTable) {
-  // List of block types already validated, to minimize duplicate warnings.
-  var blockTypesChecked = [];
-
-  // Check the tooltip string messages for invalid references.
-  // Wait for load, in case Blockly.Msg is not yet populated.
-  // runAfterPageLoad() does not run in a Node.js environment due to lack of
-  // document object, in which case skip the validation.
-  if (typeof document == 'object') {  // Relies on document.readyState
-    Blockly.utils.runAfterPageLoad(function() {
-      for (var key in lookupTable) {
-        // Will print warnings if reference is missing.
-        Blockly.utils.checkMessageReferences(lookupTable[key]);
-      }
-    });
-  }
-
-  /**
-   * The actual extension.
-   * @this {Blockly.Block}
-   */
-  var extensionFn = function() {
-    if (this.type && blockTypesChecked.indexOf(this.type) == -1) {
-      Blockly.Extensions.checkDropdownOptionsInTable_(
-          this, dropdownName, lookupTable);
-      blockTypesChecked.push(this.type);
-    }
-
-    this.setTooltip(function() {
-      var value = String(this.getFieldValue(dropdownName));
-      var tooltip = lookupTable[value];
-      if (tooltip == null) {
-        if (blockTypesChecked.indexOf(this.type) == -1) {
-          // Warn for missing values on generated tooltips.
-          var warning = 'No tooltip mapping for value ' + value +
-              ' of field ' + dropdownName;
-          if (this.type != null) {
-            warning += (' of block type ' + this.type);
-          }
-          console.warn(warning + '.');
-        }
-      } else {
-        tooltip = Blockly.utils.replaceMessageReferences(tooltip);
-      }
-      return tooltip;
-    }.bind(this));
-  };
-  return extensionFn;
-};
-
-/**
- * Checks all options keys are present in the provided string lookup table.
- * Emits console warnings when they are not.
- * @param {!Blockly.Block} block The block containing the dropdown
- * @param {string} dropdownName The name of the dropdown
- * @param {!Object.<string, string>} lookupTable The string lookup table
- * @private
- */
-Blockly.Extensions.checkDropdownOptionsInTable_ = function(block, dropdownName,
-    lookupTable) {
-  // Validate all dropdown options have values.
-  var dropdown = block.getField(dropdownName);
-  if (!dropdown.isOptionListDynamic()) {
-    var options = dropdown.getOptions();
-    for (var i = 0; i < options.length; ++i) {
-      var optionKey = options[i][1];  // label, then value
-      if (lookupTable[optionKey] == null) {
-        console.warn('No tooltip mapping for value ' + optionKey +
-           ' of field ' + dropdownName + ' of block type ' + block.type);
-      }
-    }
-  }
-};
-
-/**
- * Builds an extension function that will install a dynamic tooltip. The
- * tooltip message should include the string '%1' and that string will be
- * replaced with the text of the named field.
- * @param {string} msgTemplate The template form to of the message text, with
- *     %1 placeholder.
- * @param {string} fieldName The field with the replacement text.
- * @return {!Function} The extension function.
- */
-Blockly.Extensions.buildTooltipWithFieldText = function(msgTemplate,
-    fieldName) {
-  // Check the tooltip string messages for invalid references.
-  // Wait for load, in case Blockly.Msg is not yet populated.
-  // runAfterPageLoad() does not run in a Node.js environment due to lack of
-  // document object, in which case skip the validation.
-  if (typeof document == 'object') {  // Relies on document.readyState
-    Blockly.utils.runAfterPageLoad(function() {
-      // Will print warnings if reference is missing.
-      Blockly.utils.checkMessageReferences(msgTemplate);
-    });
-  }
-
-  /**
-   * The actual extension.
-   * @this {Blockly.Block}
-   */
-  var extensionFn = function() {
-    this.setTooltip(function() {
-      var field = this.getField(fieldName);
-      return Blockly.utils.replaceMessageReferences(msgTemplate)
-          .replace('%1', field ? field.getText() : '');
-    }.bind(this));
-  };
-  return extensionFn;
-};
-
-/**
- * Configures the tooltip to mimic the parent block when connected. Otherwise,
- * uses the tooltip text at the time this extension is initialized. This takes
- * advantage of the fact that all other values from JSON are initialized before
- * extensions.
- * @this {Blockly.Block}
- * @private
- */
-Blockly.Extensions.extensionParentTooltip_ = function() {
-  this.tooltipWhenNotConnected_ = this.tooltip;
-  this.setTooltip(function() {
-    var parent = this.getParent();
-    return (parent && parent.getInputsInline() && parent.tooltip) ||
-        this.tooltipWhenNotConnected_;
-  }.bind(this));
-};
-Blockly.Extensions.register('parent_tooltip_when_inline',
-    Blockly.Extensions.extensionParentTooltip_);
diff --git a/core/extensions.ts b/core/extensions.ts
new file mode 100644
index 00000000000..aa9a6a1860d
--- /dev/null
+++ b/core/extensions.ts
@@ -0,0 +1,491 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Extensions
+
+import type {Block} from './block.js';
+import type {BlockSvg} from './block_svg.js';
+import {FieldDropdown} from './field_dropdown.js';
+import {MutatorIcon} from './icons/mutator_icon.js';
+import * as parsing from './utils/parsing.js';
+
+/** The set of all registered extensions, keyed by extension name/id. */
+const allExtensions = Object.create(null);
+export const TEST_ONLY = {allExtensions};
+
+/**
+ * Registers a new extension function. Extensions are functions that help
+ * initialize blocks, usually adding dynamic behavior such as onchange
+ * handlers and mutators. These are applied using Block.applyExtension(), or
+ * the JSON "extensions" array attribute.
+ *
+ * @param name The name of this extension.
+ * @param initFn The function to initialize an extended block.
+ * @throws {Error} if the extension name is empty, the extension is already
+ *     registered, or extensionFn is not a function.
+ */
+export function register(name: string, initFn: Function) {
+  if (typeof name !== 'string' || name.trim() === '') {
+    throw Error('Error: Invalid extension name "' + name + '"');
+  }
+  if (allExtensions[name]) {
+    throw Error('Error: Extension "' + name + '" is already registered.');
+  }
+  if (typeof initFn !== 'function') {
+    throw Error('Error: Extension "' + name + '" must be a function');
+  }
+  allExtensions[name] = initFn;
+}
+
+/**
+ * Registers a new extension function that adds all key/value of mixinObj.
+ *
+ * @param name The name of this extension.
+ * @param mixinObj The values to mix in.
+ * @throws {Error} if the extension name is empty or the extension is already
+ *     registered.
+ */
+export function registerMixin(name: string, mixinObj: AnyDuringMigration) {
+  if (!mixinObj || typeof mixinObj !== 'object') {
+    throw Error('Error: Mixin "' + name + '" must be a object');
+  }
+  register(name, function (this: Block) {
+    this.mixin(mixinObj);
+  });
+}
+
+/**
+ * Registers a new extension function that adds a mutator to the block.
+ * At register time this performs some basic sanity checks on the mutator.
+ * The wrapper may also add a mutator dialog to the block, if both compose and
+ * decompose are defined on the mixin.
+ *
+ * @param name The name of this mutator extension.
+ * @param mixinObj The values to mix in.
+ * @param opt_helperFn An optional function to apply after mixing in the object.
+ * @param opt_blockList A list of blocks to appear in the flyout of the mutator
+ *     dialog.
+ * @throws {Error} if the mutation is invalid or can't be applied to the block.
+ */
+export function registerMutator(
+  name: string,
+  mixinObj: AnyDuringMigration,
+  opt_helperFn?: () => AnyDuringMigration,
+  opt_blockList?: string[],
+) {
+  const errorPrefix = 'Error when registering mutator "' + name + '": ';
+
+  checkHasMutatorProperties(errorPrefix, mixinObj);
+  const hasMutatorDialog = checkMutatorDialog(mixinObj, errorPrefix);
+
+  if (opt_helperFn && typeof opt_helperFn !== 'function') {
+    throw Error(errorPrefix + 'Extension "' + name + '" is not a function');
+  }
+
+  // Sanity checks passed.
+  register(name, function (this: Block) {
+    if (hasMutatorDialog) {
+      this.setMutator(new MutatorIcon(opt_blockList || [], this as BlockSvg));
+    }
+    // Mixin the object.
+    this.mixin(mixinObj);
+
+    if (opt_helperFn) {
+      opt_helperFn.apply(this);
+    }
+  });
+}
+
+/**
+ * Unregisters the extension registered with the given name.
+ *
+ * @param name The name of the extension to unregister.
+ */
+export function unregister(name: string) {
+  if (isRegistered(name)) {
+    delete allExtensions[name];
+  } else {
+    console.warn(
+      'No extension mapping for name "' + name + '" found to unregister',
+    );
+  }
+}
+
+/**
+ * Returns whether an extension is registered with the given name.
+ *
+ * @param name The name of the extension to check for.
+ * @returns True if the extension is registered.  False if it is not registered.
+ */
+export function isRegistered(name: string): boolean {
+  return !!allExtensions[name];
+}
+
+/**
+ * Applies an extension method to a block. This should only be called during
+ * block construction.
+ *
+ * @param name The name of the extension.
+ * @param block The block to apply the named extension to.
+ * @param isMutator True if this extension defines a mutator.
+ * @throws {Error} if the extension is not found.
+ */
+export function apply(name: string, block: Block, isMutator: boolean) {
+  const extensionFn = allExtensions[name];
+  if (typeof extensionFn !== 'function') {
+    throw Error('Error: Extension "' + name + '" not found.');
+  }
+  let mutatorProperties;
+  if (isMutator) {
+    // Fail early if the block already has mutation properties.
+    checkNoMutatorProperties(name, block);
+  } else {
+    // Record the old properties so we can make sure they don't change after
+    // applying the extension.
+    mutatorProperties = getMutatorProperties(block);
+  }
+  extensionFn.apply(block);
+
+  if (isMutator) {
+    const errorPrefix = 'Error after applying mutator "' + name + '": ';
+    checkHasMutatorProperties(errorPrefix, block);
+  } else {
+    if (
+      !mutatorPropertiesMatch(mutatorProperties as AnyDuringMigration[], block)
+    ) {
+      throw Error(
+        'Error when applying extension "' +
+          name +
+          '": ' +
+          'mutation properties changed when applying a non-mutator extension.',
+      );
+    }
+  }
+}
+
+/**
+ * Check that the given block does not have any of the four mutator properties
+ * defined on it.  This function should be called before applying a mutator
+ * extension to a block, to make sure we are not overwriting properties.
+ *
+ * @param mutationName The name of the mutation to reference in error messages.
+ * @param block The block to check.
+ * @throws {Error} if any of the properties already exist on the block.
+ */
+function checkNoMutatorProperties(mutationName: string, block: Block) {
+  const properties = getMutatorProperties(block);
+  if (properties.length) {
+    throw Error(
+      'Error: tried to apply mutation "' +
+        mutationName +
+        '" to a block that already has mutator functions.' +
+        '  Block id: ' +
+        block.id,
+    );
+  }
+}
+
+/**
+ * Checks if the given object has both the 'mutationToDom' and 'domToMutation'
+ * functions.
+ *
+ * @param object The object to check.
+ * @param errorPrefix The string to prepend to any error message.
+ * @returns True if the object has both functions.  False if it has neither
+ *     function.
+ * @throws {Error} if the object has only one of the functions, or either is not
+ *     actually a function.
+ */
+function checkXmlHooks(
+  object: AnyDuringMigration,
+  errorPrefix: string,
+): boolean {
+  return checkHasFunctionPair(
+    object.mutationToDom,
+    object.domToMutation,
+    errorPrefix + ' mutationToDom/domToMutation',
+  );
+}
+/**
+ * Checks if the given object has both the 'saveExtraState' and 'loadExtraState'
+ * functions.
+ *
+ * @param object The object to check.
+ * @param errorPrefix The string to prepend to any error message.
+ * @returns True if the object has both functions.  False if it has neither
+ *     function.
+ * @throws {Error} if the object has only one of the functions, or either is not
+ *     actually a function.
+ */
+function checkJsonHooks(
+  object: AnyDuringMigration,
+  errorPrefix: string,
+): boolean {
+  return checkHasFunctionPair(
+    object.saveExtraState,
+    object.loadExtraState,
+    errorPrefix + ' saveExtraState/loadExtraState',
+  );
+}
+
+/**
+ * Checks if the given object has both the 'compose' and 'decompose' functions.
+ *
+ * @param object The object to check.
+ * @param errorPrefix The string to prepend to any error message.
+ * @returns True if the object has both functions.  False if it has neither
+ *     function.
+ * @throws {Error} if the object has only one of the functions, or either is not
+ *     actually a function.
+ */
+function checkMutatorDialog(
+  object: AnyDuringMigration,
+  errorPrefix: string,
+): boolean {
+  return checkHasFunctionPair(
+    object.compose,
+    object.decompose,
+    errorPrefix + ' compose/decompose',
+  );
+}
+
+/**
+ * Checks that both or neither of the given functions exist and that they are
+ * indeed functions.
+ *
+ * @param func1 The first function in the pair.
+ * @param func2 The second function in the pair.
+ * @param errorPrefix The string to prepend to any error message.
+ * @returns True if the object has both functions.  False if it has neither
+ *     function.
+ * @throws {Error} If the object has only one of the functions, or either is not
+ *     actually a function.
+ */
+function checkHasFunctionPair(
+  func1: AnyDuringMigration,
+  func2: AnyDuringMigration,
+  errorPrefix: string,
+): boolean {
+  if (func1 && func2) {
+    if (typeof func1 !== 'function' || typeof func2 !== 'function') {
+      throw Error(errorPrefix + ' must be a function');
+    }
+    return true;
+  } else if (!func1 && !func2) {
+    return false;
+  }
+  throw Error(errorPrefix + 'Must have both or neither functions');
+}
+
+/**
+ * Checks that the given object required mutator properties.
+ *
+ * @param errorPrefix The string to prepend to any error message.
+ * @param object The object to inspect.
+ */
+function checkHasMutatorProperties(
+  errorPrefix: string,
+  object: AnyDuringMigration,
+) {
+  const hasXmlHooks = checkXmlHooks(object, errorPrefix);
+  const hasJsonHooks = checkJsonHooks(object, errorPrefix);
+  if (!hasXmlHooks && !hasJsonHooks) {
+    throw Error(
+      errorPrefix +
+        'Mutations must contain either XML hooks, or JSON hooks, or both',
+    );
+  }
+  // A block with a mutator isn't required to have a mutation dialog, but
+  // it should still have both or neither of compose and decompose.
+  checkMutatorDialog(object, errorPrefix);
+}
+
+/**
+ * Get a list of values of mutator properties on the given block.
+ *
+ * @param block The block to inspect.
+ * @returns A list with all of the defined properties, which should be
+ *     functions, but may be anything other than undefined.
+ */
+function getMutatorProperties(block: Block): AnyDuringMigration[] {
+  const result = [];
+  // List each function explicitly by reference to allow for renaming
+  // during compilation.
+  if (block.domToMutation !== undefined) {
+    result.push(block.domToMutation);
+  }
+  if (block.mutationToDom !== undefined) {
+    result.push(block.mutationToDom);
+  }
+  if (block.saveExtraState !== undefined) {
+    result.push(block.saveExtraState);
+  }
+  if (block.loadExtraState !== undefined) {
+    result.push(block.loadExtraState);
+  }
+  if (block.compose !== undefined) {
+    result.push(block.compose);
+  }
+  if (block.decompose !== undefined) {
+    result.push(block.decompose);
+  }
+  return result;
+}
+
+/**
+ * Check that the current mutator properties match a list of old mutator
+ * properties.  This should be called after applying a non-mutator extension,
+ * to verify that the extension didn't change properties it shouldn't.
+ *
+ * @param oldProperties The old values to compare to.
+ * @param block The block to inspect for new values.
+ * @returns True if the property lists match.
+ */
+function mutatorPropertiesMatch(
+  oldProperties: AnyDuringMigration[],
+  block: Block,
+): boolean {
+  const newProperties = getMutatorProperties(block);
+  if (newProperties.length !== oldProperties.length) {
+    return false;
+  }
+  for (let i = 0; i < newProperties.length; i++) {
+    if (oldProperties[i] !== newProperties[i]) {
+      return false;
+    }
+  }
+  return true;
+}
+
+/**
+ * Calls a function after the page has loaded, possibly immediately.
+ *
+ * @param fn Function to run.
+ * @throws Error Will throw if no global document can be found (e.g., Node.js).
+ * @internal
+ */
+export function runAfterPageLoad(fn: () => void) {
+  if (typeof document !== 'object') {
+    throw Error('runAfterPageLoad() requires browser document.');
+  }
+  if (document.readyState === 'complete') {
+    fn(); // Page has already loaded. Call immediately.
+  } else {
+    // Poll readyState.
+    const readyStateCheckInterval = setInterval(function () {
+      if (document.readyState === 'complete') {
+        clearInterval(readyStateCheckInterval);
+        fn();
+      }
+    }, 10);
+  }
+}
+
+/**
+ * Builds an extension function that will map a dropdown value to a tooltip
+ * string.
+ *
+ * @param dropdownName The name of the field whose value is the key to the
+ *     lookup table.
+ * @param lookupTable The table of field values to tooltip text.
+ * @returns The extension function.
+ */
+export function buildTooltipForDropdown(
+  dropdownName: string,
+  lookupTable: {[key: string]: string},
+): (this: Block) => void {
+  // List of block types already validated, to minimize duplicate warnings.
+  const blockTypesChecked: string[] = [];
+
+  return function (this: Block) {
+    if (!blockTypesChecked.includes(this.type)) {
+      checkDropdownOptionsInTable(this, dropdownName, lookupTable);
+      blockTypesChecked.push(this.type);
+    }
+
+    this.setTooltip(
+      function (this: Block) {
+        const value = String(this.getFieldValue(dropdownName));
+        return parsing.replaceMessageReferences(lookupTable[value]);
+      }.bind(this),
+    );
+  };
+}
+
+/**
+ * Checks all options keys are present in the provided string lookup table.
+ * Emits console warnings when they are not.
+ *
+ * @param block The block containing the dropdown
+ * @param dropdownName The name of the dropdown
+ * @param lookupTable The string lookup table
+ */
+function checkDropdownOptionsInTable(
+  block: Block,
+  dropdownName: string,
+  lookupTable: {[key: string]: string},
+) {
+  const dropdown = block.getField(dropdownName);
+  if (!(dropdown instanceof FieldDropdown) || dropdown.isOptionListDynamic()) {
+    return;
+  }
+
+  const options = dropdown.getOptions();
+  for (const [, key] of options) {
+    if (lookupTable[key] === undefined) {
+      console.warn(
+        `No tooltip mapping for value ${key} of field ` +
+          `${dropdownName} of block type ${block.type}.`,
+      );
+    }
+  }
+}
+
+/**
+ * Builds an extension function that will install a dynamic tooltip. The
+ * tooltip message should include the string '%1' and that string will be
+ * replaced with the text of the named field.
+ *
+ * @param msgTemplate The template form to of the message text, with %1
+ *     placeholder.
+ * @param fieldName The field with the replacement text.
+ * @returns The extension function.
+ */
+export function buildTooltipWithFieldText(
+  msgTemplate: string,
+  fieldName: string,
+): (this: Block) => void {
+  return function (this: Block) {
+    this.setTooltip(
+      function (this: Block) {
+        const field = this.getField(fieldName);
+        return parsing
+          .replaceMessageReferences(msgTemplate)
+          .replace('%1', field ? field.getText() : '');
+      }.bind(this),
+    );
+  };
+}
+
+/**
+ * Configures the tooltip to mimic the parent block when connected. Otherwise,
+ * uses the tooltip text at the time this extension is initialized. This takes
+ * advantage of the fact that all other values from JSON are initialized before
+ * extensions.
+ */
+function extensionParentTooltip(this: Block) {
+  const tooltipWhenNotConnected = this.tooltip;
+  this.setTooltip(
+    function (this: Block) {
+      const parent = this.getParent();
+      return (
+        (parent && parent.getInputsInline() && parent.tooltip) ||
+        tooltipWhenNotConnected
+      );
+    }.bind(this),
+  );
+}
+register('parent_tooltip_when_inline', extensionParentTooltip);
diff --git a/core/field.js b/core/field.js
deleted file mode 100644
index 897cd47183a..00000000000
--- a/core/field.js
+++ /dev/null
@@ -1,1162 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Field.  Used for editable titles, variables, etc.
- * This is an abstract class that defines the UI on the block.  Actual
- * instances would be Blockly.FieldTextInput, Blockly.FieldDropdown, etc.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Field');
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockChange');
-goog.require('Blockly.Gesture');
-goog.require('Blockly.Tooltip');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.deprecation');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Rect');
-goog.require('Blockly.utils.Size');
-goog.require('Blockly.utils.style');
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.utils.userAgent');
-
-goog.requireType('Blockly.blockRendering.ConstantProvider');
-goog.requireType('Blockly.IASTNodeLocationSvg');
-goog.requireType('Blockly.IASTNodeLocationWithBlock');
-goog.requireType('Blockly.IBlocklyActionable');
-goog.requireType('Blockly.IRegistrable');
-
-
-/**
- * Abstract class for an editable field.
- * @param {*} value The initial value of the field.
- * @param {?Function=} opt_validator  A function that is called to validate
- *    changes to the field's value. Takes in a value & returns a validated
- *    value, or null to abort the change.
- * @param {Object=} opt_config A map of options used to configure the field. See
- *    the individual field's documentation for a list of properties this
- *    parameter supports.
- * @constructor
- * @implements {Blockly.IASTNodeLocationSvg}
- * @implements {Blockly.IASTNodeLocationWithBlock}
- * @implements {Blockly.IBlocklyActionable}
- * @implements {Blockly.IRegistrable}
- */
-Blockly.Field = function(value, opt_validator, opt_config) {
-  /**
-   * A generic value possessed by the field.
-   * Should generally be non-null, only null when the field is created.
-   * @type {*}
-   * @protected
-   */
-  this.value_ = this.DEFAULT_VALUE;
-
-  /**
-   * Validation function called when user edits an editable field.
-   * @type {Function}
-   * @protected
-   */
-  this.validator_ = null;
-
-  /**
-   * Used to cache the field's tooltip value if setTooltip is called when the
-   * field is not yet initialized. Is *not* guaranteed to be accurate.
-   * @type {?Blockly.Tooltip.TipInfo}
-   * @private
-   */
-  this.tooltip_ = null;
-
-  /**
-   * The size of the area rendered by the field.
-   * @type {!Blockly.utils.Size}
-   * @protected
-   */
-  this.size_ = new Blockly.utils.Size(0, 0);
-
-  /**
-   * Holds the cursors svg element when the cursor is attached to the field.
-   * This is null if there is no cursor on the field.
-   * @type {SVGElement}
-   * @private
-   */
-  this.cursorSvg_ = null;
-
-  /**
-   * Holds the markers svg element when the marker is attached to the field.
-   * This is null if there is no marker on the field.
-   * @type {SVGElement}
-   * @private
-   */
-  this.markerSvg_ = null;
-
-  /**
-   * The rendered field's SVG group element.
-   * @type {SVGGElement}
-   * @protected
-   */
-  this.fieldGroup_ = null;
-
-  /**
-   * The rendered field's SVG border element.
-   * @type {SVGRectElement}
-   * @protected
-   */
-  this.borderRect_ = null;
-
-  /**
-   * The rendered field's SVG text element.
-   * @type {SVGTextElement}
-   * @protected
-   */
-  this.textElement_ = null;
-
-  /**
-   * The rendered field's text content element.
-   * @type {Text}
-   * @protected
-   */
-  this.textContent_ = null;
-
-  /**
-   * Mouse down event listener data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.mouseDownWrapper_ = null;
-
-  /**
-   * Constants associated with the source block's renderer.
-   * @type {Blockly.blockRendering.ConstantProvider}
-   * @protected
-   */
-  this.constants_ = null;
-
-  opt_config && this.configure_(opt_config);
-  this.setValue(value);
-  opt_validator && this.setValidator(opt_validator);
-};
-
-/**
- * The default value for this field.
- * @type {*}
- * @protected
- */
-Blockly.Field.prototype.DEFAULT_VALUE = null;
-
-/**
- * Name of field.  Unique within each block.
- * Static labels are usually unnamed.
- * @type {string|undefined}
- */
-Blockly.Field.prototype.name = undefined;
-
-/**
- * Has this field been disposed of?
- * @type {boolean}
- * @package
- */
-Blockly.Field.prototype.disposed = false;
-
-/**
- * Maximum characters of text to display before adding an ellipsis.
- * @type {number}
- */
-Blockly.Field.prototype.maxDisplayLength = 50;
-
-/**
- * Block this field is attached to.  Starts as null, then set in init.
- * @type {Blockly.Block}
- * @protected
- */
-Blockly.Field.prototype.sourceBlock_ = null;
-
-/**
- * Does this block need to be re-rendered?
- * @type {boolean}
- * @protected
- */
-Blockly.Field.prototype.isDirty_ = true;
-
-/**
- * Is the field visible, or hidden due to the block being collapsed?
- * @type {boolean}
- * @protected
- */
-Blockly.Field.prototype.visible_ = true;
-
-/**
- * The element the click handler is bound to.
- * @type {Element}
- * @protected
- */
-Blockly.Field.prototype.clickTarget_ = null;
-
-/**
- * A developer hook to override the returned text of this field.
- * Override if the text representation of the value of this field
- * is not just a string cast of its value.
- * Return null to resort to a string cast.
- * @return {?string} Current text. Return null to resort to a string cast.
- * @protected
- */
-Blockly.Field.prototype.getText_;
-
-/**
- * An optional method that can be defined to show an editor when the field is
- *     clicked. Blockly will automatically set the field as clickable if this
- *     method is defined.
- * @param {Event=} opt_e Optional mouse event that triggered the field to open,
- *     or undefined if triggered programmatically.
- * @return {void}
- * @protected
- */
-Blockly.Field.prototype.showEditor_;
-
-/**
- * Non-breaking space.
- * @const
- */
-Blockly.Field.NBSP = '\u00A0';
-
-/**
- * Editable fields usually show some sort of UI indicating they are editable.
- * They will also be saved by the XML renderer.
- * @type {boolean}
- */
-Blockly.Field.prototype.EDITABLE = true;
-
-/**
- * Serializable fields are saved by the XML renderer, non-serializable fields
- * are not. Editable fields should also be serializable. This is not the
- * case by default so that SERIALIZABLE is backwards compatible.
- * @type {boolean}
- */
-Blockly.Field.prototype.SERIALIZABLE = false;
-
-/**
- * Process the configuration map passed to the field.
- * @param {!Object} config A map of options used to configure the field. See
- *    the individual field's documentation for a list of properties this
- *    parameter supports.
- * @protected
- */
-Blockly.Field.prototype.configure_ = function(config) {
-  var tooltip = config['tooltip'];
-  if (typeof tooltip == 'string') {
-    tooltip = Blockly.utils.replaceMessageReferences(
-        config['tooltip']);
-  }
-  tooltip && this.setTooltip(tooltip);
-
-  // TODO (#2884): Possibly add CSS class config option.
-  // TODO (#2885): Possibly add cursor config option.
-};
-
-/**
- * Attach this field to a block.
- * @param {!Blockly.Block} block The block containing this field.
- */
-Blockly.Field.prototype.setSourceBlock = function(block) {
-  if (this.sourceBlock_) {
-    throw Error('Field already bound to a block.');
-  }
-  this.sourceBlock_ = block;
-};
-
-/**
- * Get the renderer constant provider.
- * @return {?Blockly.blockRendering.ConstantProvider} The renderer constant
- *     provider.
- */
-Blockly.Field.prototype.getConstants = function() {
-  if (!this.constants_ && this.sourceBlock_ && this.sourceBlock_.workspace &&
-      this.sourceBlock_.workspace.rendered) {
-    this.constants_ = this.sourceBlock_.workspace.getRenderer().getConstants();
-  }
-  return this.constants_;
-};
-
-/**
- * Get the block this field is attached to.
- * @return {Blockly.Block} The block containing this field.
- */
-Blockly.Field.prototype.getSourceBlock = function() {
-  return this.sourceBlock_;
-};
-
-/**
- * Initialize everything to render this field. Override
- * methods initModel and initView rather than this method.
- * @package
- */
-Blockly.Field.prototype.init = function() {
-  if (this.fieldGroup_) {
-    // Field has already been initialized once.
-    return;
-  }
-  this.fieldGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G, {}, null);
-  if (!this.isVisible()) {
-    this.fieldGroup_.style.display = 'none';
-  }
-  var sourceBlockSvg = /** @type {!Blockly.BlockSvg} **/ (this.sourceBlock_);
-  sourceBlockSvg.getSvgRoot().appendChild(this.fieldGroup_);
-  this.initView();
-  this.updateEditable();
-  this.setTooltip(this.tooltip_);
-  this.bindEvents_();
-  this.initModel();
-};
-
-/**
- * Create the block UI for this field.
- * @package
- */
-Blockly.Field.prototype.initView = function() {
-  this.createBorderRect_();
-  this.createTextElement_();
-};
-
-/**
- * Initializes the model of the field after it has been installed on a block.
- * No-op by default.
- * @package
- */
-Blockly.Field.prototype.initModel = function() {
-};
-
-/**
- * Create a field border rect element. Not to be overridden by subclasses.
- * Instead modify the result of the function inside initView, or create a
- * separate function to call.
- * @protected
- */
-Blockly.Field.prototype.createBorderRect_ = function() {
-  this.borderRect_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT, {
-        'rx': this.getConstants().FIELD_BORDER_RECT_RADIUS,
-        'ry': this.getConstants().FIELD_BORDER_RECT_RADIUS,
-        'x': 0,
-        'y': 0,
-        'height': this.size_.height,
-        'width': this.size_.width,
-        'class': 'blocklyFieldRect'
-      }, this.fieldGroup_);
-};
-
-/**
- * Create a field text element. Not to be overridden by subclasses. Instead
- * modify the result of the function inside initView, or create a separate
- * function to call.
- * @protected
- */
-Blockly.Field.prototype.createTextElement_ = function() {
-  this.textElement_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.TEXT, {
-        'class': 'blocklyText',
-      }, this.fieldGroup_);
-  if (this.getConstants().FIELD_TEXT_BASELINE_CENTER) {
-    this.textElement_.setAttribute('dominant-baseline', 'central');
-  }
-  this.textContent_ = document.createTextNode('');
-  this.textElement_.appendChild(this.textContent_);
-};
-
-/**
- * Bind events to the field. Can be overridden by subclasses if they need to do
- * custom input handling.
- * @protected
- */
-Blockly.Field.prototype.bindEvents_ = function() {
-  Blockly.Tooltip.bindMouseEvents(this.getClickTarget_());
-  this.mouseDownWrapper_ =
-      Blockly.bindEventWithChecks_(
-          this.getClickTarget_(), 'mousedown', this, this.onMouseDown_);
-};
-
-/**
- * Sets the field's value based on the given XML element. Should only be
- * called by Blockly.Xml.
- * @param {!Element} fieldElement The element containing info about the
- *    field's state.
- * @package
- */
-Blockly.Field.prototype.fromXml = function(fieldElement) {
-  this.setValue(fieldElement.textContent);
-};
-
-/**
- * Serializes this field's value to XML. Should only be called by Blockly.Xml.
- * @param {!Element} fieldElement The element to populate with info about the
- *    field's state.
- * @return {!Element} The element containing info about the field's state.
- * @package
- */
-Blockly.Field.prototype.toXml = function(fieldElement) {
-  fieldElement.textContent = this.getValue();
-  return fieldElement;
-};
-
-/**
- * Dispose of all DOM objects and events belonging to this editable field.
- * @package
- */
-Blockly.Field.prototype.dispose = function() {
-  Blockly.DropDownDiv.hideIfOwner(this);
-  Blockly.WidgetDiv.hideIfOwner(this);
-  Blockly.Tooltip.unbindMouseEvents(this.getClickTarget_());
-
-  if (this.mouseDownWrapper_) {
-    Blockly.unbindEvent_(this.mouseDownWrapper_);
-  }
-
-  Blockly.utils.dom.removeNode(this.fieldGroup_);
-
-  this.disposed = true;
-};
-
-/**
- * Add or remove the UI indicating if this field is editable or not.
- */
-Blockly.Field.prototype.updateEditable = function() {
-  var group = this.fieldGroup_;
-  if (!this.EDITABLE || !group) {
-    return;
-  }
-  if (this.sourceBlock_.isEditable()) {
-    Blockly.utils.dom.addClass(group, 'blocklyEditableText');
-    Blockly.utils.dom.removeClass(group, 'blocklyNonEditableText');
-    group.style.cursor = this.CURSOR;
-  } else {
-    Blockly.utils.dom.addClass(group, 'blocklyNonEditableText');
-    Blockly.utils.dom.removeClass(group, 'blocklyEditableText');
-    group.style.cursor = '';
-  }
-};
-
-/**
- * Check whether this field defines the showEditor_ function.
- * @return {boolean} Whether this field is clickable.
- */
-Blockly.Field.prototype.isClickable = function() {
-  return !!this.sourceBlock_ && this.sourceBlock_.isEditable() &&
-      !!this.showEditor_ && (typeof this.showEditor_ === 'function');
-};
-
-/**
- * Check whether this field is currently editable.  Some fields are never
- * EDITABLE (e.g. text labels). Other fields may be EDITABLE but may exist on
- * non-editable blocks.
- * @return {boolean} Whether this field is editable and on an editable block
- */
-Blockly.Field.prototype.isCurrentlyEditable = function() {
-  return this.EDITABLE && !!this.sourceBlock_ && this.sourceBlock_.isEditable();
-};
-
-/**
- * Check whether this field should be serialized by the XML renderer.
- * Handles the logic for backwards compatibility and incongruous states.
- * @return {boolean} Whether this field should be serialized or not.
- */
-Blockly.Field.prototype.isSerializable = function() {
-  var isSerializable = false;
-  if (this.name) {
-    if (this.SERIALIZABLE) {
-      isSerializable = true;
-    } else if (this.EDITABLE) {
-      console.warn('Detected an editable field that was not serializable.' +
-        ' Please define SERIALIZABLE property as true on all editable custom' +
-        ' fields. Proceeding with serialization.');
-      isSerializable = true;
-    }
-  }
-  return isSerializable;
-};
-
-/**
- * Gets whether this editable field is visible or not.
- * @return {boolean} True if visible.
- */
-Blockly.Field.prototype.isVisible = function() {
-  return this.visible_;
-};
-
-/**
- * Sets whether this editable field is visible or not. Should only be called
- * by input.setVisible.
- * @param {boolean} visible True if visible.
- * @package
- */
-Blockly.Field.prototype.setVisible = function(visible) {
-  if (this.visible_ == visible) {
-    return;
-  }
-  this.visible_ = visible;
-  var root = this.getSvgRoot();
-  if (root) {
-    root.style.display = visible ? 'block' : 'none';
-  }
-};
-
-/**
- * Sets a new validation function for editable fields, or clears a previously
- * set validator.
- *
- * The validator function takes in the new field value, and returns
- * validated value. The validated value could be the input value, a modified
- * version of the input value, or null to abort the change.
- *
- * If the function does not return anything (or returns undefined) the new
- * value is accepted as valid. This is to allow for fields using the
- * validated function as a field-level change event notification.
- *
- * @param {Function} handler The validator function
- *     or null to clear a previous validator.
- */
-Blockly.Field.prototype.setValidator = function(handler) {
-  this.validator_ = handler;
-};
-
-/**
- * Gets the validation function for editable fields, or null if not set.
- * @return {Function} Validation function, or null.
- */
-Blockly.Field.prototype.getValidator = function() {
-  return this.validator_;
-};
-
-/**
- * Validates a change.  Does nothing.  Subclasses may override this.
- * @param {string} text The user's text.
- * @return {string} No change needed.
- * @deprecated May 2019. Override doClassValidation and other relevant 'do'
- *  functions instead.
- */
-Blockly.Field.prototype.classValidator = function(text) {
-  Blockly.utils.deprecation.warn(
-      'Field.prototype.classValidator',
-      'May 2019',
-      'December 2020',
-      'Blockly.Field.prototype.doClassValidation_');
-  return text;
-};
-
-/**
- * Calls the validation function for this field, as well as all the validation
- * function for the field's class and its parents.
- * @param {string} text Proposed text.
- * @return {?string} Revised text, or null if invalid.
- * @deprecated May 2019. setValue now contains all relevant logic.
- */
-Blockly.Field.prototype.callValidator = function(text) {
-  Blockly.utils.deprecation.warn(
-      'Field.prototype.callValidator',
-      'May 2019',
-      'December 2020');
-  var classResult = this.classValidator(text);
-  if (classResult === null) {
-    // Class validator rejects value.  Game over.
-    return null;
-  } else if (classResult !== undefined) {
-    text = classResult;
-  }
-  var userValidator = this.getValidator();
-  if (userValidator) {
-    var userResult = userValidator.call(this, text);
-    if (userResult === null) {
-      // User validator rejects value.  Game over.
-      return null;
-    } else if (userResult !== undefined) {
-      text = userResult;
-    }
-  }
-  return text;
-};
-
-/**
- * Gets the group element for this editable field.
- * Used for measuring the size and for positioning.
- * @return {!SVGGElement} The group element.
- */
-Blockly.Field.prototype.getSvgRoot = function() {
-  return /** @type {!SVGGElement} */ (this.fieldGroup_);
-};
-
-/**
- * Updates the field to match the colour/style of the block. Should only be
- * called by BlockSvg.applyColour().
- * @package
- */
-Blockly.Field.prototype.applyColour = function() {
-  // Non-abstract sub-classes may wish to implement this. See FieldDropdown.
-};
-
-/**
- * Used by getSize() to move/resize any DOM elements, and get the new size.
- *
- * All rendering that has an effect on the size/shape of the block should be
- * done here, and should be triggered by getSize().
- * @protected
- */
-Blockly.Field.prototype.render_ = function() {
-  if (this.textContent_) {
-    this.textContent_.nodeValue = this.getDisplayText_();
-  }
-  this.updateSize_();
-};
-
-/**
- * Show an editor when the field is clicked only if the field is clickable.
- * @param {Event=} opt_e Optional mouse event that triggered the field to open,
- *     or undefined if triggered programmatically.
- * @package
- */
-Blockly.Field.prototype.showEditor = function(opt_e) {
-  if (this.isClickable()) {
-    this.showEditor_(opt_e);
-  }
-};
-
-/**
- * Updates the width of the field. Redirects to updateSize_().
- * @deprecated May 2019  Use Blockly.Field.updateSize_() to force an update
- * to the size of the field, or Blockly.utils.dom.getTextWidth() to
- * check the size of the field.
- */
-Blockly.Field.prototype.updateWidth = function() {
-
-  Blockly.utils.deprecation.warn(
-      'Field.prototype.updateWidth',
-      'May 2019',
-      'December 2020',
-      'Blockly.Field.prototype.updateSize_ or Blockly.utils.dom.getTextWidth');
-  this.updateSize_();
-};
-
-/**
- * Updates the size of the field based on the text.
- * @param {number=} opt_margin margin to use when positioning the text element.
- * @protected
- */
-Blockly.Field.prototype.updateSize_ = function(opt_margin) {
-  var constants = this.getConstants();
-  var xOffset = opt_margin != undefined ? opt_margin :
-      (this.borderRect_ ? this.getConstants().FIELD_BORDER_RECT_X_PADDING : 0);
-  var totalWidth = xOffset * 2;
-  var totalHeight = constants.FIELD_TEXT_HEIGHT;
-
-  var contentWidth = 0;
-  if (this.textElement_) {
-    contentWidth = Blockly.utils.dom.getFastTextWidth(this.textElement_,
-        constants.FIELD_TEXT_FONTSIZE,
-        constants.FIELD_TEXT_FONTWEIGHT,
-        constants.FIELD_TEXT_FONTFAMILY);
-    totalWidth += contentWidth;
-  }
-  if (this.borderRect_) {
-    totalHeight = Math.max(totalHeight, constants.FIELD_BORDER_RECT_HEIGHT);
-  }
-
-  this.size_.height = totalHeight;
-  this.size_.width = totalWidth;
-
-  this.positionTextElement_(xOffset, contentWidth);
-  this.positionBorderRect_();
-};
-
-/**
- * Position a field's text element after a size change.  This handles both LTR
- * and RTL positioning.
- * @param {number} xOffset x offset to use when positioning the text element.
- * @param {number} contentWidth The content width.
- * @protected
- */
-Blockly.Field.prototype.positionTextElement_ = function(xOffset, contentWidth) {
-  if (!this.textElement_) {
-    return;
-  }
-  var constants = this.getConstants();
-  var halfHeight = this.size_.height / 2;
-
-  this.textElement_.setAttribute('x', this.sourceBlock_.RTL ?
-      this.size_.width - contentWidth - xOffset : xOffset);
-  this.textElement_.setAttribute('y', constants.FIELD_TEXT_BASELINE_CENTER ?
-      halfHeight : halfHeight - constants.FIELD_TEXT_HEIGHT / 2 +
-      constants.FIELD_TEXT_BASELINE);
-};
-
-/**
- * Position a field's border rect after a size change.
- * @protected
- */
-Blockly.Field.prototype.positionBorderRect_ = function() {
-  if (!this.borderRect_) {
-    return;
-  }
-  this.borderRect_.setAttribute('width', this.size_.width);
-  this.borderRect_.setAttribute('height', this.size_.height);
-  this.borderRect_.setAttribute('rx',
-      this.getConstants().FIELD_BORDER_RECT_RADIUS);
-  this.borderRect_.setAttribute('ry',
-      this.getConstants().FIELD_BORDER_RECT_RADIUS);
-};
-
-
-/**
- * Returns the height and width of the field.
- *
- * This should *in general* be the only place render_ gets called from.
- * @return {!Blockly.utils.Size} Height and width.
- */
-Blockly.Field.prototype.getSize = function() {
-  if (!this.isVisible()) {
-    return new Blockly.utils.Size(0, 0);
-  }
-
-  if (this.isDirty_) {
-    this.render_();
-    this.isDirty_ = false;
-  } else if (this.visible_ && this.size_.width == 0) {
-    // If the field is not visible the width will be 0 as well, one of the
-    // problems with the old system.
-    console.warn('Deprecated use of setting size_.width to 0 to rerender a' +
-      ' field. Set field.isDirty_ to true instead.');
-    this.render_();
-  }
-  return this.size_;
-};
-
-/**
- * Returns the bounding box of the rendered field, accounting for workspace
- * scaling.
- * @return {!Blockly.utils.Rect} An object with top, bottom, left, and right in
- *     pixels relative to the top left corner of the page (window coordinates).
- * @package
- */
-Blockly.Field.prototype.getScaledBBox = function() {
-  if (!this.borderRect_) {
-    // Browsers are inconsistent in what they return for a bounding box.
-    // - Webkit / Blink: fill-box / object bounding box
-    // - Gecko / Triden / EdgeHTML: stroke-box
-    var bBox = this.sourceBlock_.getHeightWidth();
-    var scale = this.sourceBlock_.workspace.scale;
-    var xy = this.getAbsoluteXY_();
-    var scaledWidth = bBox.width * scale;
-    var scaledHeight = bBox.height * scale;
-
-    if (Blockly.utils.userAgent.GECKO) {
-      xy.x += 1.5 * scale;
-      xy.y += 1.5 * scale;
-      scaledWidth += 1 * scale;
-      scaledHeight += 1 * scale;
-    } else {
-      if (!Blockly.utils.userAgent.EDGE && !Blockly.utils.userAgent.IE) {
-        xy.x -= 0.5 * scale;
-        xy.y -= 0.5 * scale;
-      }
-      scaledWidth += 1 * scale;
-      scaledHeight += 1 * scale;
-    }
-  } else {
-    var bBox = this.borderRect_.getBoundingClientRect();
-    var xy = Blockly.utils.style.getPageOffset(this.borderRect_);
-    var scaledWidth = bBox.width;
-    var scaledHeight = bBox.height;
-  }
-  return new Blockly.utils.Rect(
-      xy.y,
-      xy.y + scaledHeight,
-      xy.x,
-      xy.x + scaledWidth
-  );
-};
-
-/**
- * Get the text from this field to display on the block. May differ from
- * ``getText`` due to ellipsis, and other formatting.
- * @return {string} Text to display.
- * @protected
- */
-Blockly.Field.prototype.getDisplayText_ = function() {
-  var text = this.getText();
-  if (!text) {
-    // Prevent the field from disappearing if empty.
-    return Blockly.Field.NBSP;
-  }
-  if (text.length > this.maxDisplayLength) {
-    // Truncate displayed string and add an ellipsis ('...').
-    text = text.substring(0, this.maxDisplayLength - 2) + '\u2026';
-  }
-  // Replace whitespace with non-breaking spaces so the text doesn't collapse.
-  text = text.replace(/\s/g, Blockly.Field.NBSP);
-  if (this.sourceBlock_ && this.sourceBlock_.RTL) {
-    // The SVG is LTR, force text to be RTL.
-    text += '\u200F';
-  }
-  return text;
-};
-
-/**
- * Get the text from this field.
- * @return {string} Current text.
- */
-Blockly.Field.prototype.getText = function() {
-  if (this.getText_) {
-    var text = this.getText_.call(this);
-    if (text !== null) {
-      return String(text);
-    }
-  }
-  return String(this.getValue());
-};
-
-/**
- * Set the text in this field.  Trigger a rerender of the source block.
- * @param {*} _newText New text.
- * @deprecated 2019 setText should not be used directly. Use setValue instead.
- */
-Blockly.Field.prototype.setText = function(_newText) {
-  Blockly.utils.deprecation.warn(
-      'Field.prototype.setText',
-      'May 2019',
-      'December 2020',
-      'Blockly.Field.prototype.setValue');
-  throw Error('setText method is deprecated');
-};
-
-/**
- * Force a rerender of the block that this field is installed on, which will
- * rerender this field and adjust for any sizing changes.
- * Other fields on the same block will not rerender, because their sizes have
- * already been recorded.
- * @package
- */
-Blockly.Field.prototype.markDirty = function() {
-  this.isDirty_ = true;
-  this.constants_ = null;
-};
-
-/**
- * Force a rerender of the block that this field is installed on, which will
- * rerender this field and adjust for any sizing changes.
- * Other fields on the same block will not rerender, because their sizes have
- * already been recorded.
- * @package
- */
-Blockly.Field.prototype.forceRerender = function() {
-  this.isDirty_ = true;
-  if (this.sourceBlock_ && this.sourceBlock_.rendered) {
-    this.sourceBlock_.render();
-    this.sourceBlock_.bumpNeighbours();
-    this.updateMarkers_();
-  }
-};
-
-/**
- * Used to change the value of the field. Handles validation and events.
- * Subclasses should override doClassValidation_ and doValueUpdate_ rather
- * than this method.
- * @param {*} newValue New value.
- */
-Blockly.Field.prototype.setValue = function(newValue) {
-  var doLogging = false;
-  if (newValue === null) {
-    doLogging && console.log('null, return');
-    // Not a valid value to check.
-    return;
-  }
-
-  var validatedValue = this.doClassValidation_(newValue);
-  // Class validators might accidentally forget to return, we'll ignore that.
-  newValue = this.processValidation_(newValue, validatedValue);
-  if (newValue instanceof Error) {
-    doLogging && console.log('invalid class validation, return');
-    return;
-  }
-
-  var localValidator = this.getValidator();
-  if (localValidator) {
-    validatedValue = localValidator.call(this, newValue);
-    // Local validators might accidentally forget to return, we'll ignore that.
-    newValue = this.processValidation_(newValue, validatedValue);
-    if (newValue instanceof Error) {
-      doLogging && console.log('invalid local validation, return');
-      return;
-    }
-  }
-  var source = this.sourceBlock_;
-  if (source && source.disposed) {
-    doLogging && console.log('source disposed, return');
-    return;
-  }
-  var oldValue = this.getValue();
-  if (oldValue === newValue) {
-    doLogging && console.log('same, return');
-    return;
-  }
-
-  if (source && Blockly.Events.isEnabled()) {
-    Blockly.Events.fire(new Blockly.Events.BlockChange(
-        source, 'field', this.name || null, oldValue, newValue));
-  }
-  this.doValueUpdate_(newValue);
-  if (this.isDirty_) {
-    this.forceRerender();
-  }
-  doLogging && console.log(this.value_);
-};
-
-/**
- * Process the result of validation.
- * @param {*} newValue New value.
- * @param {*} validatedValue Validated value.
- * @return {*} New value, or an Error object.
- * @private
- */
-Blockly.Field.prototype.processValidation_ = function(newValue,
-    validatedValue) {
-  if (validatedValue === null) {
-    this.doValueInvalid_(newValue);
-    if (this.isDirty_) {
-      this.forceRerender();
-    }
-    return Error();
-  }
-  if (validatedValue !== undefined) {
-    newValue = validatedValue;
-  }
-  return newValue;
-};
-
-/**
- * Get the current value of the field.
- * @return {*} Current value.
- */
-Blockly.Field.prototype.getValue = function() {
-  return this.value_;
-};
-
-/**
- * Used to validate a value. Returns input by default. Can be overridden by
- * subclasses, see FieldDropdown.
- * @param {*=} opt_newValue The value to be validated.
- * @return {*} The validated value, same as input by default.
- * @protected
- * @suppress {deprecated} Suppress deprecated this.classValidator call.
- */
-Blockly.Field.prototype.doClassValidation_ = function(opt_newValue) {
-  if (opt_newValue === null || opt_newValue === undefined) {
-    return null;
-  }
-  // For backwards compatibility.
-  opt_newValue = this.classValidator(/** @type {string} */ (opt_newValue));
-  return opt_newValue;
-};
-
-/**
- * Used to update the value of a field. Can be overridden by subclasses to do
- * custom storage of values/updating of external things.
- * @param {*} newValue The value to be saved.
- * @protected
- */
-Blockly.Field.prototype.doValueUpdate_ = function(newValue) {
-  this.value_ = newValue;
-  this.isDirty_ = true;
-};
-
-/**
- * Used to notify the field an invalid value was input. Can be overridden by
- * subclasses, see FieldTextInput.
- * No-op by default.
- * @param {*} _invalidValue The input value that was determined to be invalid.
- * @protected
- */
-Blockly.Field.prototype.doValueInvalid_ = function(_invalidValue) {
-  // NOP
-};
-
-/**
- * Handle a mouse down event on a field.
- * @param {!Event} e Mouse down event.
- * @protected
- */
-Blockly.Field.prototype.onMouseDown_ = function(e) {
-  if (!this.sourceBlock_ || !this.sourceBlock_.workspace) {
-    return;
-  }
-  var gesture = this.sourceBlock_.workspace.getGesture(e);
-  if (gesture) {
-    gesture.setStartField(this);
-  }
-};
-
-/**
- * Sets the tooltip for this field.
- * @param {?Blockly.Tooltip.TipInfo} newTip The
- *     text for the tooltip, a function that returns the text for the tooltip, a
- *     parent object whose tooltip will be used, or null to display the tooltip
- *     of the parent block. To not display a tooltip pass the empty string.
- */
-Blockly.Field.prototype.setTooltip = function(newTip) {
-  if (!newTip && newTip !== '') {  // If null or undefined.
-    newTip = this.sourceBlock_;
-  }
-  var clickTarget = this.getClickTarget_();
-  if (clickTarget) {
-    clickTarget.tooltip = newTip;
-  } else {
-    // Field has not been initialized yet.
-    this.tooltip_ = newTip;
-  }
-};
-
-/**
- * Returns the tooltip text for this field.
- * @returns {string} The tooltip text for this field.
- */
-Blockly.Field.prototype.getTooltip = function() {
-  var clickTarget = this.getClickTarget_();
-  if (clickTarget) {
-    return Blockly.Tooltip.getTooltipOfObject(clickTarget);
-  }
-  // Field has not been initialized yet. Return stashed this.tooltip_ value.
-  return Blockly.Tooltip.getTooltipOfObject({tooltip: this.tooltip_});
-};
-
-/**
- * The element to bind the click handler to. If not set explicitly, defaults
- * to the SVG root of the field. When this element is
- * clicked on an editable field, the editor will open.
- * @return {!Element} Element to bind click handler to.
- * @protected
- */
-Blockly.Field.prototype.getClickTarget_ = function() {
-  return this.clickTarget_ || this.getSvgRoot();
-};
-
-/**
- * Return the absolute coordinates of the top-left corner of this field.
- * The origin (0,0) is the top-left corner of the page body.
- * @return {!Blockly.utils.Coordinate} Object with .x and .y properties.
- * @protected
- */
-Blockly.Field.prototype.getAbsoluteXY_ = function() {
-  return Blockly.utils.style.getPageOffset(
-      /** @type {!SVGRectElement} */ (this.getClickTarget_()));
-};
-
-/**
- * Whether this field references any Blockly variables.  If true it may need to
- * be handled differently during serialization and deserialization.  Subclasses
- * may override this.
- * @return {boolean} True if this field has any variable references.
- * @package
- */
-Blockly.Field.prototype.referencesVariables = function() {
-  return false;
-};
-
-/**
- * Search through the list of inputs and their fields in order to find the
- * parent input of a field.
- * @return {Blockly.Input} The input that the field belongs to.
- * @package
- */
-Blockly.Field.prototype.getParentInput = function() {
-  var parentInput = null;
-  var block = this.sourceBlock_;
-  var inputs = block.inputList;
-
-  for (var idx = 0; idx < block.inputList.length; idx++) {
-    var input = inputs[idx];
-    var fieldRows = input.fieldRow;
-    for (var j = 0; j < fieldRows.length; j++) {
-      if (fieldRows[j] === this) {
-        parentInput = input;
-        break;
-      }
-    }
-  }
-  return parentInput;
-};
-
-/**
- * Returns whether or not we should flip the field in RTL.
- * @return {boolean} True if we should flip in RTL.
- */
-Blockly.Field.prototype.getFlipRtl = function() {
-  return false;
-};
-
-/**
- * Returns whether or not the field is tab navigable.
- * @return {boolean} True if the field is tab navigable.
- */
-Blockly.Field.prototype.isTabNavigable = function() {
-  return false;
-};
-
-/**
- * Handles the given action.
- * This is only triggered when keyboard accessibility mode is enabled.
- * @param {!Blockly.Action} _action The action to be handled.
- * @return {boolean} True if the field handled the action, false otherwise.
- * @package
- */
-Blockly.Field.prototype.onBlocklyAction = function(_action) {
-  return false;
-};
-
-/**
- * Add the cursor svg to this fields svg group.
- * @param {SVGElement} cursorSvg The svg root of the cursor to be added to the
- *     field group.
- * @package
- */
-Blockly.Field.prototype.setCursorSvg = function(cursorSvg) {
-  if (!cursorSvg) {
-    this.cursorSvg_ = null;
-    return;
-  }
-
-  this.fieldGroup_.appendChild(cursorSvg);
-  this.cursorSvg_ = cursorSvg;
-};
-
-/**
- * Add the marker svg to this fields svg group.
- * @param {SVGElement} markerSvg The svg root of the marker to be added to the
- *     field group.
- * @package
- */
-Blockly.Field.prototype.setMarkerSvg = function(markerSvg) {
-  if (!markerSvg) {
-    this.markerSvg_ = null;
-    return;
-  }
-
-  this.fieldGroup_.appendChild(markerSvg);
-  this.markerSvg_ = markerSvg;
-};
-
-/**
- * Redraw any attached marker or cursor svgs if needed.
- * @protected
- */
-Blockly.Field.prototype.updateMarkers_ = function() {
-  var workspace =
-    /** @type {!Blockly.WorkspaceSvg} */ (this.sourceBlock_.workspace);
-  if (workspace.keyboardAccessibilityMode && this.cursorSvg_) {
-    workspace.getCursor().draw();
-  }
-  if (workspace.keyboardAccessibilityMode && this.markerSvg_) {
-    workspace.getMarker(Blockly.navigation.MARKER_NAME).draw();
-  }
-};
diff --git a/core/field.ts b/core/field.ts
new file mode 100644
index 00000000000..51e006823d7
--- /dev/null
+++ b/core/field.ts
@@ -0,0 +1,1484 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Field.  Used for editable titles, variables, etc.
+ * This is an abstract class that defines the UI on the block.  Actual
+ * instances would be FieldTextInput, FieldDropdown, etc.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Field
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_block_change.js';
+
+import type {Block} from './block.js';
+import type {BlockSvg} from './block_svg.js';
+import * as browserEvents from './browser_events.js';
+import * as dropDownDiv from './dropdowndiv.js';
+import * as eventUtils from './events/utils.js';
+import type {Input} from './inputs/input.js';
+import type {IASTNodeLocationSvg} from './interfaces/i_ast_node_location_svg.js';
+import type {IASTNodeLocationWithBlock} from './interfaces/i_ast_node_location_with_block.js';
+import type {IKeyboardAccessible} from './interfaces/i_keyboard_accessible.js';
+import type {IRegistrable} from './interfaces/i_registrable.js';
+import {MarkerManager} from './marker_manager.js';
+import type {ConstantProvider} from './renderers/common/constants.js';
+import type {KeyboardShortcut} from './shortcut_registry.js';
+import * as Tooltip from './tooltip.js';
+import type {Coordinate} from './utils/coordinate.js';
+import * as dom from './utils/dom.js';
+import * as parsing from './utils/parsing.js';
+import {Rect} from './utils/rect.js';
+import {Size} from './utils/size.js';
+import * as style from './utils/style.js';
+import {Svg} from './utils/svg.js';
+import * as userAgent from './utils/useragent.js';
+import * as utilsXml from './utils/xml.js';
+import * as WidgetDiv from './widgetdiv.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+import {ISerializable} from './interfaces/i_serializable.js';
+
+/**
+ * A function that is called to validate changes to the field's value before
+ * they are set.
+ *
+ * @see {@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/validators#return_values}
+ * @param newValue The value to be validated.
+ * @returns One of three instructions for setting the new value: `T`, `null`,
+ * or `undefined`.
+ *
+ * - `T` to set this function's returned value instead of `newValue`.
+ *
+ * - `null` to invoke `doValueInvalid_` and not set a value.
+ *
+ * - `undefined` to set `newValue` as is.
+ */
+export type FieldValidator<T = any> = (newValue: T) => T | null | undefined;
+
+/**
+ * Abstract class for an editable field.
+ *
+ * @typeParam T - The value stored on the field.
+ */
+export abstract class Field<T = any>
+  implements
+    IASTNodeLocationSvg,
+    IASTNodeLocationWithBlock,
+    IKeyboardAccessible,
+    IRegistrable,
+    ISerializable
+{
+  /**
+   * To overwrite the default value which is set in **Field**, directly update
+   * the prototype.
+   *
+   * Example:
+   * `FieldImage.prototype.DEFAULT_VALUE = null;`
+   */
+  DEFAULT_VALUE: T | null = null;
+
+  /** Non-breaking space. */
+  static readonly NBSP = '\u00A0';
+
+  /**
+   * A value used to signal when a field's constructor should *not* set the
+   * field's value or run configure_, and should allow a subclass to do that
+   * instead.
+   */
+  static readonly SKIP_SETUP = Symbol('SKIP_SETUP');
+
+  /**
+   * Name of field.  Unique within each block.
+   * Static labels are usually unnamed.
+   */
+  name?: string = undefined;
+  protected value_: T | null;
+
+  /** Validation function called when user edits an editable field. */
+  protected validator_: FieldValidator<T> | null = null;
+
+  /**
+   * Used to cache the field's tooltip value if setTooltip is called when the
+   * field is not yet initialized. Is *not* guaranteed to be accurate.
+   */
+  private tooltip_: Tooltip.TipInfo | null = null;
+  protected size_: Size;
+
+  /**
+   * Holds the cursors svg element when the cursor is attached to the field.
+   * This is null if there is no cursor on the field.
+   */
+  private cursorSvg_: SVGElement | null = null;
+
+  /**
+   * Holds the markers svg element when the marker is attached to the field.
+   * This is null if there is no marker on the field.
+   */
+  private markerSvg_: SVGElement | null = null;
+
+  /** The rendered field's SVG group element. */
+  protected fieldGroup_: SVGGElement | null = null;
+
+  /** The rendered field's SVG border element. */
+  protected borderRect_: SVGRectElement | null = null;
+
+  /** The rendered field's SVG text element. */
+  protected textElement_: SVGTextElement | null = null;
+
+  /** The rendered field's text content element. */
+  protected textContent_: Text | null = null;
+
+  /** Mouse down event listener data. */
+  private mouseDownWrapper_: browserEvents.Data | null = null;
+
+  /** Constants associated with the source block's renderer. */
+  protected constants_: ConstantProvider | null = null;
+
+  /**
+   * Has this field been disposed of?
+   *
+   * @internal
+   */
+  disposed = false;
+
+  /** Maximum characters of text to display before adding an ellipsis. */
+  maxDisplayLength = 50;
+
+  /** Block this field is attached to.  Starts as null, then set in init. */
+  protected sourceBlock_: Block | null = null;
+
+  /** Does this block need to be re-rendered? */
+  protected isDirty_ = true;
+
+  /** Is the field visible, or hidden due to the block being collapsed? */
+  protected visible_ = true;
+
+  /**
+   * Can the field value be changed using the editor on an editable block?
+   */
+  protected enabled_ = true;
+
+  /** The element the click handler is bound to. */
+  protected clickTarget_: Element | null = null;
+
+  /**
+   * The prefix field.
+   *
+   * @internal
+   */
+  prefixField: string | null = null;
+
+  /**
+   * The suffix field.
+   *
+   * @internal
+   */
+  suffixField: string | null = null;
+
+  /**
+   * Editable fields usually show some sort of UI indicating they are
+   * editable. They will also be saved by the serializer.
+   */
+  EDITABLE = true;
+
+  /**
+   * Serializable fields are saved by the serializer, non-serializable fields
+   * are not. Editable fields should also be serializable. This is not the
+   * case by default so that SERIALIZABLE is backwards compatible.
+   */
+  SERIALIZABLE = false;
+
+  /** Mouse cursor style when over the hotspot that initiates the editor. */
+  CURSOR = '';
+
+  /**
+   * @param value The initial value of the field.
+   *     Also accepts Field.SKIP_SETUP if you wish to skip setup (only used by
+   * subclasses that want to handle configuration and setting the field value
+   * after their own constructors have run).
+   * @param validator  A function that is called to validate changes to the
+   *     field's value. Takes in a value & returns a validated value, or null to
+   *     abort the change.
+   * @param config A map of options used to configure the field.
+   *    Refer to the individual field's documentation for a list of properties
+   * this parameter supports.
+   */
+  constructor(
+    value: T | typeof Field.SKIP_SETUP,
+    validator?: FieldValidator<T> | null,
+    config?: FieldConfig,
+  ) {
+    /**
+     * A generic value possessed by the field.
+     * Should generally be non-null, only null when the field is created.
+     */
+    this.value_ =
+      'DEFAULT_VALUE' in new.target.prototype
+        ? new.target.prototype.DEFAULT_VALUE
+        : this.DEFAULT_VALUE;
+
+    /** The size of the area rendered by the field. */
+    this.size_ = new Size(0, 0);
+
+    if (value === Field.SKIP_SETUP) return;
+    if (config) {
+      this.configure_(config);
+    }
+    this.setValue(value);
+    if (validator) {
+      this.setValidator(validator);
+    }
+  }
+
+  /**
+   * Process the configuration map passed to the field.
+   *
+   * @param config A map of options used to configure the field. See the
+   *     individual field's documentation for a list of properties this
+   *     parameter supports.
+   */
+  protected configure_(config: FieldConfig) {
+    // TODO (#2884): Possibly add CSS class config option.
+    // TODO (#2885): Possibly add cursor config option.
+    if (config.tooltip) {
+      this.setTooltip(parsing.replaceMessageReferences(config.tooltip));
+    }
+  }
+
+  /**
+   * Attach this field to a block.
+   *
+   * @param block The block containing this field.
+   */
+  setSourceBlock(block: Block) {
+    if (this.sourceBlock_) {
+      throw Error('Field already bound to a block');
+    }
+    this.sourceBlock_ = block;
+  }
+
+  /**
+   * Get the renderer constant provider.
+   *
+   * @returns The renderer constant provider.
+   */
+  getConstants(): ConstantProvider | null {
+    if (
+      !this.constants_ &&
+      this.sourceBlock_ &&
+      !this.sourceBlock_.isDeadOrDying() &&
+      this.sourceBlock_.workspace.rendered
+    ) {
+      this.constants_ = (this.sourceBlock_.workspace as WorkspaceSvg)
+        .getRenderer()
+        .getConstants();
+    }
+    return this.constants_;
+  }
+
+  /**
+   * Get the block this field is attached to.
+   *
+   * @returns The block containing this field.
+   * @throws An error if the source block is not defined.
+   */
+  getSourceBlock(): Block | null {
+    return this.sourceBlock_;
+  }
+
+  /**
+   * Initialize everything to render this field. Override
+   * methods initModel and initView rather than this method.
+   *
+   * @sealed
+   * @internal
+   */
+  init() {
+    if (this.fieldGroup_) {
+      // Field has already been initialized once.
+      return;
+    }
+    this.fieldGroup_ = dom.createSvgElement(Svg.G, {});
+    if (!this.isVisible()) {
+      this.fieldGroup_.style.display = 'none';
+    }
+    const sourceBlockSvg = this.sourceBlock_ as BlockSvg;
+    sourceBlockSvg.getSvgRoot().appendChild(this.fieldGroup_);
+    this.initView();
+    this.updateEditable();
+    this.setTooltip(this.tooltip_);
+    this.bindEvents_();
+    this.initModel();
+    this.applyColour();
+  }
+
+  /**
+   * Create the block UI for this field.
+   */
+  protected initView() {
+    this.createBorderRect_();
+    this.createTextElement_();
+  }
+
+  /**
+   * Initializes the model of the field after it has been installed on a block.
+   * No-op by default.
+   */
+  initModel() {}
+
+  /**
+   * Defines whether this field should take up the full block or not.
+   *
+   * Be cautious when overriding this function. It may not work as you expect /
+   * intend because the behavior was kind of hacked in. If you are thinking
+   * about overriding this function, post on the forum with your intended
+   * behavior to see if there's another approach.
+   */
+  protected isFullBlockField(): boolean {
+    return !this.borderRect_;
+  }
+
+  /**
+   * Create a field border rect element. Not to be overridden by subclasses.
+   * Instead modify the result of the function inside initView, or create a
+   * separate function to call.
+   */
+  protected createBorderRect_() {
+    this.borderRect_ = dom.createSvgElement(
+      Svg.RECT,
+      {
+        'rx': this.getConstants()!.FIELD_BORDER_RECT_RADIUS,
+        'ry': this.getConstants()!.FIELD_BORDER_RECT_RADIUS,
+        'x': 0,
+        'y': 0,
+        'height': this.size_.height,
+        'width': this.size_.width,
+        'class': 'blocklyFieldRect',
+      },
+      this.fieldGroup_,
+    );
+  }
+
+  /**
+   * Create a field text element. Not to be overridden by subclasses. Instead
+   * modify the result of the function inside initView, or create a separate
+   * function to call.
+   */
+  protected createTextElement_() {
+    this.textElement_ = dom.createSvgElement(
+      Svg.TEXT,
+      {
+        'class': 'blocklyText',
+      },
+      this.fieldGroup_,
+    );
+    if (this.getConstants()!.FIELD_TEXT_BASELINE_CENTER) {
+      this.textElement_.setAttribute('dominant-baseline', 'central');
+    }
+    this.textContent_ = document.createTextNode('');
+    this.textElement_.appendChild(this.textContent_);
+  }
+
+  /**
+   * Bind events to the field. Can be overridden by subclasses if they need to
+   * do custom input handling.
+   */
+  protected bindEvents_() {
+    const clickTarget = this.getClickTarget_();
+    if (!clickTarget) throw new Error('A click target has not been set.');
+    Tooltip.bindMouseEvents(clickTarget);
+    this.mouseDownWrapper_ = browserEvents.conditionalBind(
+      clickTarget,
+      'pointerdown',
+      this,
+      this.onMouseDown_,
+    );
+  }
+
+  /**
+   * Sets the field's value based on the given XML element. Should only be
+   * called by Blockly.Xml.
+   *
+   * @param fieldElement The element containing info about the field's state.
+   * @internal
+   */
+  fromXml(fieldElement: Element) {
+    // Any because gremlins live here. No touchie!
+    this.setValue(fieldElement.textContent as any);
+  }
+
+  /**
+   * Serializes this field's value to XML. Should only be called by Blockly.Xml.
+   *
+   * @param fieldElement The element to populate with info about the field's
+   *     state.
+   * @returns The element containing info about the field's state.
+   * @internal
+   */
+  toXml(fieldElement: Element): Element {
+    // Any because gremlins live here. No touchie!
+    fieldElement.textContent = this.getValue() as any;
+    return fieldElement;
+  }
+
+  /**
+   * Saves this fields value as something which can be serialized to JSON.
+   * Should only be called by the serialization system.
+   *
+   * @param _doFullSerialization If true, this signals to the field that if it
+   *     normally just saves a reference to some state (eg variable fields) it
+   *     should instead serialize the full state of the thing being referenced.
+   *     See the
+   *     {@link https://developers.devsite.google.com/blockly/guides/create-custom-blocks/fields/customizing-fields/creating#full_serialization_and_backing_data | field serialization docs}
+   *     for more information.
+   * @returns JSON serializable state.
+   * @internal
+   */
+  saveState(_doFullSerialization?: boolean): AnyDuringMigration {
+    const legacyState = this.saveLegacyState(Field);
+    if (legacyState !== null) {
+      return legacyState;
+    }
+    return this.getValue();
+  }
+
+  /**
+   * Sets the field's state based on the given state value. Should only be
+   * called by the serialization system.
+   *
+   * @param state The state we want to apply to the field.
+   * @internal
+   */
+  loadState(state: AnyDuringMigration) {
+    if (this.loadLegacyState(Field, state)) {
+      return;
+    }
+    this.setValue(state);
+  }
+
+  /**
+   * Returns a stringified version of the XML state, if it should be used.
+   * Otherwise this returns null, to signal the field should use its own
+   * serialization.
+   *
+   * @param callingClass The class calling this method.
+   *     Used to see if `this` has overridden any relevant hooks.
+   * @returns The stringified version of the XML state, or null.
+   */
+  protected saveLegacyState(callingClass: FieldProto): string | null {
+    if (
+      callingClass.prototype.saveState === this.saveState &&
+      callingClass.prototype.toXml !== this.toXml
+    ) {
+      const elem = utilsXml.createElement('field');
+      elem.setAttribute('name', this.name || '');
+      const text = utilsXml.domToText(this.toXml(elem));
+      return text.replace(
+        ' xmlns="https://developers.google.com/blockly/xml"',
+        '',
+      );
+    }
+    // Either they called this on purpose from their saveState, or they have
+    // no implementations of either hook. Just do our thing.
+    return null;
+  }
+
+  /**
+   * Loads the given state using either the old XML hooks, if they should be
+   * used. Returns true to indicate loading has been handled, false otherwise.
+   *
+   * @param callingClass The class calling this method.
+   *     Used to see if `this` has overridden any relevant hooks.
+   * @param state The state to apply to the field.
+   * @returns Whether the state was applied or not.
+   */
+  loadLegacyState(
+    callingClass: FieldProto,
+    state: AnyDuringMigration,
+  ): boolean {
+    if (
+      callingClass.prototype.loadState === this.loadState &&
+      callingClass.prototype.fromXml !== this.fromXml
+    ) {
+      this.fromXml(utilsXml.textToDom(state as string));
+      return true;
+    }
+    // Either they called this on purpose from their loadState, or they have
+    // no implementations of either hook. Just do our thing.
+    return false;
+  }
+
+  /**
+   * Dispose of all DOM objects and events belonging to this editable field.
+   *
+   * @internal
+   */
+  dispose() {
+    dropDownDiv.hideIfOwner(this);
+    WidgetDiv.hideIfOwner(this);
+
+    if (!this.getSourceBlock()?.isDeadOrDying()) {
+      dom.removeNode(this.fieldGroup_);
+    }
+
+    this.disposed = true;
+  }
+
+  /** Add or remove the UI indicating if this field is editable or not. */
+  updateEditable() {
+    const group = this.fieldGroup_;
+    const block = this.getSourceBlock();
+    if (!this.EDITABLE || !group || !block) {
+      return;
+    }
+    if (this.enabled_ && block.isEditable()) {
+      dom.addClass(group, 'blocklyEditableText');
+      dom.removeClass(group, 'blocklyNonEditableText');
+      group.style.cursor = this.CURSOR;
+    } else {
+      dom.addClass(group, 'blocklyNonEditableText');
+      dom.removeClass(group, 'blocklyEditableText');
+      group.style.cursor = '';
+    }
+  }
+
+  /**
+   * Set whether this field's value can be changed using the editor when the
+   *     source block is editable.
+   *
+   * @param enabled True if enabled.
+   */
+  setEnabled(enabled: boolean) {
+    this.enabled_ = enabled;
+    this.updateEditable();
+  }
+
+  /**
+   * Check whether this field's value can be changed using the editor when the
+   *     source block is editable.
+   *
+   * @returns Whether this field is enabled.
+   */
+  isEnabled(): boolean {
+    return this.enabled_;
+  }
+
+  /**
+   * Check whether this field defines the showEditor_ function.
+   *
+   * @returns Whether this field is clickable.
+   */
+  isClickable(): boolean {
+    return (
+      this.enabled_ &&
+      !!this.sourceBlock_ &&
+      this.sourceBlock_.isEditable() &&
+      this.showEditor_ !== Field.prototype.showEditor_
+    );
+  }
+
+  /**
+   * Check whether the field should be clickable while the block is in a flyout.
+   * The default is that fields are clickable in always-open flyouts such as the
+   * simple toolbox, but not in autoclosing flyouts such as the category toolbox.
+   * Subclasses may override this function to change this behavior. Note that
+   * `isClickable` must also return true for this to have any effect.
+   *
+   * @param autoClosingFlyout true if the containing flyout is an auto-closing one.
+   * @returns Whether the field should be clickable while the block is in a flyout.
+   */
+  isClickableInFlyout(autoClosingFlyout: boolean): boolean {
+    return !autoClosingFlyout;
+  }
+
+  /**
+   * Check whether this field is currently editable.  Some fields are never
+   * EDITABLE (e.g. text labels). Other fields may be EDITABLE but may exist on
+   * non-editable blocks or be currently disabled.
+   *
+   * @returns Whether this field is currently enabled, editable and on an
+   *     editable block.
+   */
+  isCurrentlyEditable(): boolean {
+    return (
+      this.enabled_ &&
+      this.EDITABLE &&
+      !!this.sourceBlock_ &&
+      this.sourceBlock_.isEditable()
+    );
+  }
+
+  /**
+   * Check whether this field should be serialized by the XML renderer.
+   * Handles the logic for backwards compatibility and incongruous states.
+   *
+   * @returns Whether this field should be serialized or not.
+   */
+  isSerializable(): boolean {
+    let isSerializable = false;
+    if (this.name) {
+      if (this.SERIALIZABLE) {
+        isSerializable = true;
+      } else if (this.EDITABLE) {
+        console.warn(
+          'Detected an editable field that was not serializable.' +
+            ' Please define SERIALIZABLE property as true on all editable custom' +
+            ' fields. Proceeding with serialization.',
+        );
+        isSerializable = true;
+      }
+    }
+    return isSerializable;
+  }
+
+  /**
+   * Gets whether this editable field is visible or not.
+   *
+   * @returns True if visible.
+   */
+  isVisible(): boolean {
+    return this.visible_;
+  }
+
+  /**
+   * Sets whether this editable field is visible or not. Should only be called
+   * by input.setVisible.
+   *
+   * @param visible True if visible.
+   * @internal
+   */
+  setVisible(visible: boolean) {
+    if (this.visible_ === visible) {
+      return;
+    }
+    this.visible_ = visible;
+    const root = this.fieldGroup_;
+    if (root) {
+      root.style.display = visible ? 'block' : 'none';
+    }
+  }
+
+  /**
+   * Sets a new validation function for editable fields, or clears a previously
+   * set validator.
+   *
+   * The validator function takes in the new field value, and returns
+   * validated value. The validated value could be the input value, a modified
+   * version of the input value, or null to abort the change.
+   *
+   * If the function does not return anything (or returns undefined) the new
+   * value is accepted as valid. This is to allow for fields using the
+   * validated function as a field-level change event notification.
+   *
+   * @param handler The validator function or null to clear a previous
+   *     validator.
+   */
+  setValidator(handler: FieldValidator<T>) {
+    this.validator_ = handler;
+  }
+
+  /**
+   * Gets the validation function for editable fields, or null if not set.
+   *
+   * @returns Validation function, or null.
+   */
+  getValidator(): FieldValidator<T> | null {
+    return this.validator_;
+  }
+
+  /**
+   * Gets the group element for this editable field.
+   * Used for measuring the size and for positioning.
+   *
+   * @returns The group element.
+   */
+  getSvgRoot(): SVGGElement | null {
+    return this.fieldGroup_;
+  }
+
+  /**
+   * Gets the border rectangle element.
+   *
+   * @returns The border rectangle element.
+   * @throws An error if the border rectangle element is not defined.
+   */
+  protected getBorderRect(): SVGRectElement {
+    if (!this.borderRect_) {
+      throw new Error(`The border rectangle is ${this.borderRect_}.`);
+    }
+    return this.borderRect_;
+  }
+
+  /**
+   * Gets the text element.
+   *
+   * @returns The text element.
+   * @throws An error if the text element is not defined.
+   */
+  protected getTextElement(): SVGTextElement {
+    if (!this.textElement_) {
+      throw new Error(`The text element is ${this.textElement_}.`);
+    }
+    return this.textElement_;
+  }
+
+  /**
+   * Gets the text content.
+   *
+   * @returns The text content.
+   * @throws An error if the text content is not defined.
+   */
+  protected getTextContent(): Text {
+    if (!this.textContent_) {
+      throw new Error(`The text content is ${this.textContent_}.`);
+    }
+    return this.textContent_;
+  }
+
+  /**
+   * Updates the field to match the colour/style of the block.
+   *
+   * Non-abstract sub-classes may wish to implement this if the colour of the
+   * field depends on the colour of the block. It will automatically be called
+   * at relevant times, such as when the parent block or renderer changes.
+   *
+   * See {@link
+   * https://developers.google.com/blockly/guides/create-custom-blocks/fields/customizing-fields/creating#matching_block_colours
+   * | the field documentation} for more information, or FieldDropdown for an
+   * example.
+   */
+  applyColour() {}
+
+  /**
+   * Used by getSize() to move/resize any DOM elements, and get the new size.
+   *
+   * All rendering that has an effect on the size/shape of the block should be
+   * done here, and should be triggered by getSize().
+   */
+  protected render_() {
+    if (this.textContent_) {
+      this.textContent_.nodeValue = this.getDisplayText_();
+    }
+    this.updateSize_();
+  }
+
+  /**
+   * Calls showEditor_ when the field is clicked if the field is clickable.
+   * Do not override.
+   *
+   * @param e Optional mouse event that triggered the field to open, or
+   *     undefined if triggered programmatically.
+   * @sealed
+   * @internal
+   */
+  showEditor(e?: Event) {
+    if (this.isClickable()) {
+      this.showEditor_(e);
+    }
+  }
+
+  /**
+   * A developer hook to create an editor for the field. This is no-op by
+   * default, and must be overriden to create an editor.
+   *
+   * @param _e Optional mouse event that triggered the field to open, or
+   *     undefined if triggered programmatically.
+   */
+  protected showEditor_(_e?: Event): void {}
+  // NOP
+
+  /**
+   * A developer hook to reposition the WidgetDiv during a window resize. You
+   * need to define this hook if your field has a WidgetDiv that needs to
+   * reposition itself when the window is resized. For example, text input
+   * fields define this hook so that the input WidgetDiv can reposition itself
+   * on a window resize event. This is especially important when modal inputs
+   * have been disabled, as Android devices will fire a window resize event when
+   * the soft keyboard opens.
+   *
+   * If you want the WidgetDiv to hide itself instead of repositioning, return
+   * false. This is the default behavior.
+   *
+   * DropdownDivs already handle their own positioning logic, so you do not need
+   * to override this function if your field only has a DropdownDiv.
+   *
+   * @returns True if the field should be repositioned,
+   *    false if the WidgetDiv should hide itself instead.
+   */
+  repositionForWindowResize(): boolean {
+    return false;
+  }
+
+  /**
+   * Updates the size of the field based on the text.
+   *
+   * @param margin margin to use when positioning the text element.
+   */
+  protected updateSize_(margin?: number) {
+    const constants = this.getConstants();
+    const xOffset =
+      margin !== undefined
+        ? margin
+        : !this.isFullBlockField()
+          ? this.getConstants()!.FIELD_BORDER_RECT_X_PADDING
+          : 0;
+    let totalWidth = xOffset * 2;
+    let totalHeight = constants!.FIELD_TEXT_HEIGHT;
+
+    let contentWidth = 0;
+    if (this.textElement_) {
+      contentWidth = dom.getFastTextWidth(
+        this.textElement_,
+        constants!.FIELD_TEXT_FONTSIZE,
+        constants!.FIELD_TEXT_FONTWEIGHT,
+        constants!.FIELD_TEXT_FONTFAMILY,
+      );
+      totalWidth += contentWidth;
+    }
+    if (!this.isFullBlockField()) {
+      totalHeight = Math.max(totalHeight, constants!.FIELD_BORDER_RECT_HEIGHT);
+    }
+
+    this.size_.height = totalHeight;
+    this.size_.width = totalWidth;
+
+    this.positionTextElement_(xOffset, contentWidth);
+    this.positionBorderRect_();
+  }
+
+  /**
+   * Position a field's text element after a size change.  This handles both LTR
+   * and RTL positioning.
+   *
+   * @param xOffset x offset to use when positioning the text element.
+   * @param contentWidth The content width.
+   */
+  protected positionTextElement_(xOffset: number, contentWidth: number) {
+    if (!this.textElement_) {
+      return;
+    }
+    const constants = this.getConstants();
+    const halfHeight = this.size_.height / 2;
+
+    this.textElement_.setAttribute(
+      'x',
+      String(
+        this.getSourceBlock()?.RTL
+          ? this.size_.width - contentWidth - xOffset
+          : xOffset,
+      ),
+    );
+    this.textElement_.setAttribute(
+      'y',
+      String(
+        constants!.FIELD_TEXT_BASELINE_CENTER
+          ? halfHeight
+          : halfHeight -
+              constants!.FIELD_TEXT_HEIGHT / 2 +
+              constants!.FIELD_TEXT_BASELINE,
+      ),
+    );
+  }
+
+  /** Position a field's border rect after a size change. */
+  protected positionBorderRect_() {
+    if (!this.borderRect_) {
+      return;
+    }
+    this.borderRect_.setAttribute('width', String(this.size_.width));
+    this.borderRect_.setAttribute('height', String(this.size_.height));
+    this.borderRect_.setAttribute(
+      'rx',
+      String(this.getConstants()!.FIELD_BORDER_RECT_RADIUS),
+    );
+    this.borderRect_.setAttribute(
+      'ry',
+      String(this.getConstants()!.FIELD_BORDER_RECT_RADIUS),
+    );
+  }
+
+  /**
+   * Returns the height and width of the field.
+   *
+   * This should *in general* be the only place render_ gets called from.
+   *
+   * @returns Height and width.
+   */
+  getSize(): Size {
+    if (!this.isVisible()) {
+      return new Size(0, 0);
+    }
+
+    if (this.isDirty_) {
+      this.render_();
+      this.isDirty_ = false;
+    } else if (this.visible_ && this.size_.width === 0) {
+      // If the field is not visible the width will be 0 as well, one of the
+      // problems with the old system.
+      this.render_();
+      // Don't issue a warning if the field is actually zero width.
+      if (this.size_.width !== 0) {
+        console.warn(
+          'Deprecated use of setting size_.width to 0 to rerender a' +
+            ' field. Set field.isDirty_ to true instead.',
+        );
+      }
+    }
+    return this.size_;
+  }
+
+  /**
+   * Returns the bounding box of the rendered field, accounting for workspace
+   * scaling.
+   *
+   * @returns An object with top, bottom, left, and right in pixels relative to
+   *     the top left corner of the page (window coordinates).
+   * @internal
+   */
+  getScaledBBox(): Rect {
+    let scaledWidth;
+    let scaledHeight;
+    let xy;
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+
+    if (this.isFullBlockField()) {
+      // Browsers are inconsistent in what they return for a bounding box.
+      // - Webkit / Blink: fill-box / object bounding box
+      // - Gecko: stroke-box
+      const bBox = (this.sourceBlock_ as BlockSvg).getHeightWidth();
+      const scale = (block.workspace as WorkspaceSvg).scale;
+      xy = this.getAbsoluteXY_();
+      scaledWidth = (bBox.width + 1) * scale;
+      scaledHeight = (bBox.height + 1) * scale;
+
+      if (userAgent.GECKO) {
+        xy.x += 1.5 * scale;
+        xy.y += 1.5 * scale;
+      } else {
+        xy.x -= 0.5 * scale;
+        xy.y -= 0.5 * scale;
+      }
+    } else {
+      const bBox = this.borderRect_!.getBoundingClientRect();
+      xy = style.getPageOffset(this.borderRect_!);
+      scaledWidth = bBox.width;
+      scaledHeight = bBox.height;
+    }
+    return new Rect(xy.y, xy.y + scaledHeight, xy.x, xy.x + scaledWidth);
+  }
+
+  /**
+   * Notifies the field that it has changed locations.
+   *
+   * @param _ The location of this field's block's top-start corner
+   *     in workspace coordinates.
+   */
+  onLocationChange(_: Coordinate) {}
+
+  /**
+   * Get the text from this field to display on the block. May differ from
+   * `getText` due to ellipsis, and other formatting.
+   *
+   * @returns Text to display.
+   */
+  protected getDisplayText_(): string {
+    let text = this.getText();
+    if (!text) {
+      // Prevent the field from disappearing if empty.
+      return Field.NBSP;
+    }
+    if (text.length > this.maxDisplayLength) {
+      // Truncate displayed string and add an ellipsis ('...').
+      text = text.substring(0, this.maxDisplayLength - 2) + '…';
+    }
+    // Replace whitespace with non-breaking spaces so the text doesn't collapse.
+    text = text.replace(/\s/g, Field.NBSP);
+    if (this.sourceBlock_ && this.sourceBlock_.RTL) {
+      // The SVG is LTR, force text to be RTL by adding an RLM.
+      text += '\u200F';
+    }
+    return text;
+  }
+
+  /**
+   * Get the text from this field.
+   * Override getText_ to provide a different behavior than simply casting the
+   * value to a string.
+   *
+   * @returns Current text.
+   * @sealed
+   */
+  getText(): string {
+    // this.getText_ was intended so that devs don't have to remember to call
+    // super when overriding how the text of the field is generated. (#2910)
+    const text = this.getText_();
+    if (text !== null) {
+      return String(text);
+    }
+    return String(this.getValue());
+  }
+
+  /**
+   * A developer hook to override the returned text of this field.
+   * Override if the text representation of the value of this field
+   * is not just a string cast of its value.
+   * Return null to resort to a string cast.
+   *
+   * @returns Current text or null.
+   */
+  protected getText_(): string | null {
+    return null;
+  }
+
+  /**
+   * Force a rerender of the block that this field is installed on, which will
+   * rerender this field and adjust for any sizing changes.
+   * Other fields on the same block will not rerender, because their sizes have
+   * already been recorded.
+   *
+   * @internal
+   */
+  markDirty() {
+    this.isDirty_ = true;
+    this.constants_ = null;
+  }
+
+  /**
+   * Force a rerender of the block that this field is installed on, which will
+   * rerender this field and adjust for any sizing changes.
+   * Other fields on the same block will not rerender, because their sizes have
+   * already been recorded.
+   *
+   * @internal
+   */
+  forceRerender() {
+    this.isDirty_ = true;
+    if (this.sourceBlock_ && this.sourceBlock_.rendered) {
+      (this.sourceBlock_ as BlockSvg).queueRender();
+    }
+  }
+
+  /**
+   * Used to change the value of the field. Handles validation and events.
+   * Subclasses should override doClassValidation_ and doValueUpdate_ rather
+   * than this method.
+   *
+   * @param newValue New value.
+   * @param fireChangeEvent Whether to fire a change event. Defaults to true.
+   *     Should usually be true unless the change will be reported some other
+   *     way, e.g. an intermediate field change event.
+   * @sealed
+   */
+  setValue(newValue: AnyDuringMigration, fireChangeEvent = true) {
+    const doLogging = false;
+    if (newValue === null) {
+      doLogging && console.log('null, return');
+      // Not a valid value to check.
+      return;
+    }
+
+    const classValidation = this.doClassValidation_(newValue);
+    const classValue = this.processValidation_(
+      newValue,
+      classValidation,
+      fireChangeEvent,
+    );
+    if (classValue instanceof Error) {
+      doLogging && console.log('invalid class validation, return');
+      return;
+    }
+
+    const localValidation = this.getValidator()?.call(this, classValue);
+    const localValue = this.processValidation_(
+      classValue,
+      localValidation,
+      fireChangeEvent,
+    );
+    if (localValue instanceof Error) {
+      doLogging && console.log('invalid local validation, return');
+      return;
+    }
+
+    const source = this.sourceBlock_;
+    if (source && source.disposed) {
+      doLogging && console.log('source disposed, return');
+      return;
+    }
+
+    const oldValue = this.getValue();
+    if (oldValue === localValue) {
+      doLogging && console.log('same, doValueUpdate_, return');
+      this.doValueUpdate_(localValue);
+      return;
+    }
+
+    this.doValueUpdate_(localValue);
+    if (fireChangeEvent && source && eventUtils.isEnabled()) {
+      eventUtils.fire(
+        new (eventUtils.get(eventUtils.BLOCK_CHANGE))(
+          source,
+          'field',
+          this.name || null,
+          oldValue,
+          localValue,
+        ),
+      );
+    }
+    if (this.isDirty_) {
+      this.forceRerender();
+    }
+    doLogging && console.log(this.value_);
+  }
+
+  /**
+   * Process the result of validation.
+   *
+   * @param newValue New value.
+   * @param validatedValue Validated value.
+   * @param fireChangeEvent Whether to fire a change event if the value changes.
+   * @returns New value, or an Error object.
+   */
+  private processValidation_(
+    newValue: AnyDuringMigration,
+    validatedValue: T | null | undefined,
+    fireChangeEvent: boolean,
+  ): T | Error {
+    if (validatedValue === null) {
+      this.doValueInvalid_(newValue, fireChangeEvent);
+      if (this.isDirty_) {
+        this.forceRerender();
+      }
+      return Error();
+    }
+    return validatedValue === undefined ? (newValue as T) : validatedValue;
+  }
+
+  /**
+   * Get the current value of the field.
+   *
+   * @returns Current value.
+   */
+  getValue(): T | null {
+    return this.value_;
+  }
+
+  /**
+   * Validate the changes to a field's value before they are set. See
+   * **FieldDropdown** for an example of subclass implementation.
+   *
+   * **NOTE:** Validation returns one option between `T`, `null`, and
+   * `undefined`. **Field**'s implementation will never return `undefined`, but
+   * it is valid for a subclass to return `undefined` if the new value is
+   * compatible with `T`.
+   *
+   * @see {@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/validators#return_values}
+   * @param newValue - The value to be validated.
+   * @returns One of three instructions for setting the new value: `T`, `null`,
+   * or `undefined`.
+   *
+   * - `T` to set this function's returned value instead of `newValue`.
+   *
+   * - `null` to invoke `doValueInvalid_` and not set a value.
+   *
+   * - `undefined` to set `newValue` as is.
+   */
+  protected doClassValidation_(newValue: T): T | null | undefined;
+  protected doClassValidation_(newValue?: AnyDuringMigration): T | null;
+  protected doClassValidation_(
+    newValue?: T | AnyDuringMigration,
+  ): T | null | undefined {
+    if (newValue === null || newValue === undefined) {
+      return null;
+    }
+
+    return newValue as T;
+  }
+
+  /**
+   * Used to update the value of a field. Can be overridden by subclasses to do
+   * custom storage of values/updating of external things.
+   *
+   * @param newValue The value to be saved.
+   */
+  protected doValueUpdate_(newValue: T) {
+    this.value_ = newValue;
+    this.isDirty_ = true;
+  }
+
+  /**
+   * Used to notify the field an invalid value was input. Can be overridden by
+   * subclasses, see FieldTextInput.
+   * No-op by default.
+   *
+   * @param _invalidValue The input value that was determined to be invalid.
+   * @param _fireChangeEvent Whether to fire a change event if the value changes.
+   */
+  protected doValueInvalid_(
+    _invalidValue: AnyDuringMigration,
+    _fireChangeEvent: boolean = true,
+  ) {}
+  // NOP
+
+  /**
+   * Handle a pointerdown event on a field.
+   *
+   * @param e Pointer down event.
+   */
+  protected onMouseDown_(e: PointerEvent) {
+    if (!this.sourceBlock_ || this.sourceBlock_.isDeadOrDying()) {
+      return;
+    }
+    const gesture = (this.sourceBlock_.workspace as WorkspaceSvg).getGesture(e);
+    if (gesture) {
+      gesture.setStartField(this);
+    }
+  }
+
+  /**
+   * Sets the tooltip for this field.
+   *
+   * @param newTip The text for the tooltip, a function that returns the text
+   *     for the tooltip, a parent object whose tooltip will be used, or null to
+   *     display the tooltip of the parent block. To not display a tooltip pass
+   *     the empty string.
+   */
+  setTooltip(newTip: Tooltip.TipInfo | null) {
+    if (!newTip && newTip !== '') {
+      // If null or undefined.
+      newTip = this.sourceBlock_;
+    }
+    const clickTarget = this.getClickTarget_();
+    if (clickTarget) {
+      (clickTarget as AnyDuringMigration).tooltip = newTip;
+    } else {
+      // Field has not been initialized yet.
+      this.tooltip_ = newTip;
+    }
+  }
+
+  /**
+   * Returns the tooltip text for this field.
+   *
+   * @returns The tooltip text for this field.
+   */
+  getTooltip(): string {
+    const clickTarget = this.getClickTarget_();
+    if (clickTarget) {
+      return Tooltip.getTooltipOfObject(clickTarget);
+    }
+    // Field has not been initialized yet. Return stashed this.tooltip_ value.
+    return Tooltip.getTooltipOfObject({tooltip: this.tooltip_});
+  }
+
+  /**
+   * The element to bind the click handler to. If not set explicitly, defaults
+   * to the SVG root of the field. When this element is
+   * clicked on an editable field, the editor will open.
+   *
+   * @returns Element to bind click handler to.
+   */
+  protected getClickTarget_(): Element | null {
+    return this.clickTarget_ || this.getSvgRoot();
+  }
+
+  /**
+   * Return the absolute coordinates of the top-left corner of this field.
+   * The origin (0,0) is the top-left corner of the page body.
+   *
+   * @returns Object with .x and .y properties.
+   */
+  protected getAbsoluteXY_(): Coordinate {
+    return style.getPageOffset(this.getClickTarget_() as SVGRectElement);
+  }
+
+  /**
+   * Whether this field references any Blockly variables.  If true it may need
+   * to be handled differently during serialization and deserialization.
+   * Subclasses may override this.
+   *
+   * @returns True if this field has any variable references.
+   * @internal
+   */
+  referencesVariables(): boolean {
+    return false;
+  }
+
+  /**
+   * Refresh the variable name referenced by this field if this field references
+   * variables.
+   *
+   * @internal
+   */
+  refreshVariableName() {}
+  // NOP
+
+  /**
+   * Search through the list of inputs and their fields in order to find the
+   * parent input of a field.
+   *
+   * @returns The input that the field belongs to.
+   * @internal
+   */
+  getParentInput(): Input {
+    let parentInput = null;
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+    const inputs = block.inputList;
+
+    for (let idx = 0; idx < block.inputList.length; idx++) {
+      const input = inputs[idx];
+      const fieldRows = input.fieldRow;
+      for (let j = 0; j < fieldRows.length; j++) {
+        if (fieldRows[j] === this) {
+          parentInput = input;
+          break;
+        }
+      }
+    }
+    return parentInput!;
+  }
+
+  /**
+   * Returns whether or not we should flip the field in RTL.
+   *
+   * @returns True if we should flip in RTL.
+   */
+  getFlipRtl(): boolean {
+    return false;
+  }
+
+  /**
+   * Returns whether or not the field is tab navigable.
+   *
+   * @returns True if the field is tab navigable.
+   */
+  isTabNavigable(): boolean {
+    return false;
+  }
+
+  /**
+   * Handles the given keyboard shortcut.
+   *
+   * @param _shortcut The shortcut to be handled.
+   * @returns True if the shortcut has been handled, false otherwise.
+   */
+  onShortcut(_shortcut: KeyboardShortcut): boolean {
+    return false;
+  }
+
+  /**
+   * Add the cursor SVG to this fields SVG group.
+   *
+   * @param cursorSvg The SVG root of the cursor to be added to the field group.
+   * @internal
+   */
+  setCursorSvg(cursorSvg: SVGElement) {
+    if (!cursorSvg) {
+      this.cursorSvg_ = null;
+      return;
+    }
+
+    if (!this.fieldGroup_) {
+      throw new Error(`The field group is ${this.fieldGroup_}.`);
+    }
+    this.fieldGroup_.appendChild(cursorSvg);
+    this.cursorSvg_ = cursorSvg;
+  }
+
+  /**
+   * Add the marker SVG to this fields SVG group.
+   *
+   * @param markerSvg The SVG root of the marker to be added to the field group.
+   * @internal
+   */
+  setMarkerSvg(markerSvg: SVGElement) {
+    if (!markerSvg) {
+      this.markerSvg_ = null;
+      return;
+    }
+
+    if (!this.fieldGroup_) {
+      throw new Error(`The field group is ${this.fieldGroup_}.`);
+    }
+    this.fieldGroup_.appendChild(markerSvg);
+    this.markerSvg_ = markerSvg;
+  }
+
+  /**
+   * Redraw any attached marker or cursor svgs if needed.
+   *
+   * @internal
+   */
+  updateMarkers_() {
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+    const workspace = block.workspace as WorkspaceSvg;
+    if (workspace.keyboardAccessibilityMode && this.cursorSvg_) {
+      workspace.getCursor()!.draw();
+    }
+    if (workspace.keyboardAccessibilityMode && this.markerSvg_) {
+      // TODO(#4592): Update all markers on the field.
+      workspace.getMarker(MarkerManager.LOCAL_MARKER)!.draw();
+    }
+  }
+
+  /**
+   * Subclasses should reimplement this method to construct their Field
+   * subclass from a JSON arg object.
+   *
+   * It is an error to attempt to register a field subclass in the
+   * FieldRegistry if that subclass has not overridden this method.
+   *
+   * @param _options JSON configuration object with properties needed
+   *    to configure a specific field.
+   */
+  static fromJson(_options: FieldConfig): Field {
+    throw new Error(
+      `Attempted to instantiate a field from the registry that hasn't defined a 'fromJson' method.`,
+    );
+  }
+}
+
+/**
+ * Extra configuration options for the base field.
+ */
+export interface FieldConfig {
+  tooltip?: string;
+}
+
+/**
+ * Represents an object that has all the prototype properties of the `Field`
+ * class. This is necessary because constructors can change
+ * in descendants, though they should contain all of Field's prototype methods.
+ *
+ * This type should only be used in places where we directly access the prototype
+ * of a Field class or subclass.
+ */
+type FieldProto = Pick<typeof Field, 'prototype'>;
+
+/**
+ * Represents an error where the field is trying to access its block or
+ * information about its block before it has actually been attached to said
+ * block.
+ */
+export class UnattachedFieldError extends Error {
+  /** @internal */
+  constructor() {
+    super(
+      'The field has not yet been attached to its input. ' +
+        'Call appendField to attach it.',
+    );
+  }
+}
diff --git a/core/field_angle.js b/core/field_angle.js
deleted file mode 100644
index cbafe10c64c..00000000000
--- a/core/field_angle.js
+++ /dev/null
@@ -1,562 +0,0 @@
-/**
- * @license
- * Copyright 2013 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Angle input field.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.FieldAngle');
-
-goog.require('Blockly.Css');
-goog.require('Blockly.DropDownDiv');
-goog.require('Blockly.fieldRegistry');
-goog.require('Blockly.FieldTextInput');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.math');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.utils.userAgent');
-
-
-/**
- * Class for an editable angle field.
- * @param {string|number=} opt_value The initial value of the field. Should cast
- *    to a number. Defaults to 0.
- * @param {Function=} opt_validator A function that is called to validate
- *    changes to the field's value. Takes in a number & returns a
- *    validated number, or null to abort the change.
- * @param {Object=} opt_config A map of options used to configure the field.
- *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/angle#creation}
- *    for a list of properties this parameter supports.
- * @extends {Blockly.FieldTextInput}
- * @constructor
- */
-Blockly.FieldAngle = function(opt_value, opt_validator, opt_config) {
-
-  /**
-   * Should the angle increase as the angle picker is moved clockwise (true)
-   * or counterclockwise (false)
-   * @see Blockly.FieldAngle.CLOCKWISE
-   * @type {boolean}
-   * @private
-   */
-  this.clockwise_ = Blockly.FieldAngle.CLOCKWISE;
-
-  /**
-   * The offset of zero degrees (and all other angles).
-   * @see Blockly.FieldAngle.OFFSET
-   * @type {number}
-   * @private
-   */
-  this.offset_ = Blockly.FieldAngle.OFFSET;
-
-  /**
-   * The maximum angle to allow before wrapping.
-   * @see Blockly.FieldAngle.WRAP
-   * @type {number}
-   * @private
-   */
-  this.wrap_ = Blockly.FieldAngle.WRAP;
-
-  /**
-   * The amount to round angles to when using a mouse or keyboard nav input.
-   * @see Blockly.FieldAngle.ROUND
-   * @type {number}
-   * @private
-   */
-  this.round_ = Blockly.FieldAngle.ROUND;
-
-  Blockly.FieldAngle.superClass_.constructor.call(
-      this, opt_value, opt_validator, opt_config);
-
-  /**
-   * The angle picker's gauge path depending on the value.
-   * @type {SVGElement}
-   */
-  this.gauge_ = null;
-
-  /**
-   * The angle picker's line drawn representing the value's angle.
-   * @type {SVGElement}
-   */
-  this.line_ = null;
-
-  /**
-   * Wrapper click event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.clickWrapper_ = null;
-
-  /**
-   * Surface click event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.clickSurfaceWrapper_ = null;
-
-  /**
-   * Surface mouse move event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.moveSurfaceWrapper_ = null;
-};
-Blockly.utils.object.inherits(Blockly.FieldAngle, Blockly.FieldTextInput);
-
-
-/**
- * The default value for this field.
- * @type {*}
- * @protected
- */
-Blockly.FieldAngle.prototype.DEFAULT_VALUE = 0;
-
-/**
- * Construct a FieldAngle from a JSON arg object.
- * @param {!Object} options A JSON object with options (angle).
- * @return {!Blockly.FieldAngle} The new field instance.
- * @package
- * @nocollapse
- */
-Blockly.FieldAngle.fromJson = function(options) {
-  return new Blockly.FieldAngle(options['angle'], undefined, options);
-};
-
-/**
- * Serializable fields are saved by the XML renderer, non-serializable fields
- * are not. Editable fields should also be serializable.
- * @type {boolean}
- */
-Blockly.FieldAngle.prototype.SERIALIZABLE = true;
-
-/**
- * The default amount to round angles to when using a mouse or keyboard nav
- * input. Must be a positive integer to support keyboard navigation.
- * @const {number}
- */
-Blockly.FieldAngle.ROUND = 15;
-
-/**
- * Half the width of protractor image.
- * @const {number}
- */
-Blockly.FieldAngle.HALF = 100 / 2;
-
-/**
- * Default property describing which direction makes an angle field's value
- * increase. Angle increases clockwise (true) or counterclockwise (false).
- * @const {boolean}
- */
-Blockly.FieldAngle.CLOCKWISE = false;
-
-/**
- * The default offset of 0 degrees (and all angles). Always offsets in the
- * counterclockwise direction, regardless of the field's clockwise property.
- * Usually either 0 (0 = right) or 90 (0 = up).
- * @const {number}
- */
-Blockly.FieldAngle.OFFSET = 0;
-
-/**
- * The default maximum angle to allow before wrapping.
- * Usually either 360 (for 0 to 359.9) or 180 (for -179.9 to 180).
- * @const {number}
- */
-Blockly.FieldAngle.WRAP = 360;
-
-/**
- * Radius of protractor circle.  Slightly smaller than protractor size since
- * otherwise SVG crops off half the border at the edges.
- * @const {number}
- */
-Blockly.FieldAngle.RADIUS = Blockly.FieldAngle.HALF - 1;
-
-/**
- * Configure the field based on the given map of options.
- * @param {!Object} config A map of options to configure the field based on.
- * @private
- */
-Blockly.FieldAngle.prototype.configure_ = function(config) {
-  Blockly.FieldAngle.superClass_.configure_.call(this, config);
-
-  switch (config['mode']) {
-    case 'compass':
-      this.clockwise_ = true;
-      this.offset_ = 90;
-      break;
-    case 'protractor':
-      // This is the default mode, so we could do nothing. But just to
-      // future-proof, we'll set it anyway.
-      this.clockwise_ = false;
-      this.offset_ = 0;
-      break;
-  }
-
-  // Allow individual settings to override the mode setting.
-  var clockwise = config['clockwise'];
-  if (typeof clockwise == 'boolean') {
-    this.clockwise_ = clockwise;
-  }
-
-  // If these are passed as null then we should leave them on the default.
-  var offset = config['offset'];
-  if (offset != null) {
-    offset = Number(offset);
-    if (!isNaN(offset)) {
-      this.offset_ = offset;
-    }
-  }
-  var wrap = config['wrap'];
-  if (wrap != null) {
-    wrap = Number(wrap);
-    if (!isNaN(wrap)) {
-      this.wrap_ = wrap;
-    }
-  }
-  var round = config['round'];
-  if (round != null) {
-    round = Number(round);
-    if (!isNaN(round)) {
-      this.round_ = round;
-    }
-  }
-};
-
-
-
-/**
- * Create the block UI for this field.
- * @package
- */
-Blockly.FieldAngle.prototype.initView = function() {
-  Blockly.FieldAngle.superClass_.initView.call(this);
-  // Add the degree symbol to the left of the number, even in RTL (issue #2380)
-  this.symbol_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.TSPAN, {}, null);
-  this.symbol_.appendChild(document.createTextNode('\u00B0'));
-  this.textElement_.appendChild(this.symbol_);
-};
-
-/**
- * Updates the graph when the field rerenders.
- * @private
- * @override
- */
-Blockly.FieldAngle.prototype.render_ = function() {
-  Blockly.FieldAngle.superClass_.render_.call(this);
-  this.updateGraph_();
-};
-
-/**
- * Create and show the angle field's editor.
- * @param {Event=} opt_e Optional mouse event that triggered the field to open,
- *     or undefined if triggered programmatically.
- * @protected
- */
-Blockly.FieldAngle.prototype.showEditor_ = function(opt_e) {
-  // Mobile browsers have issues with in-line textareas (focus & keyboards).
-  var noFocus =
-      Blockly.utils.userAgent.MOBILE ||
-      Blockly.utils.userAgent.ANDROID ||
-      Blockly.utils.userAgent.IPAD;
-  Blockly.FieldAngle.superClass_.showEditor_.call(this, opt_e, noFocus);
-
-  var editor = this.dropdownCreate_();
-  Blockly.DropDownDiv.getContentDiv().appendChild(editor);
-
-  Blockly.DropDownDiv.setColour(this.sourceBlock_.style.colourPrimary,
-      this.sourceBlock_.style.colourTertiary);
-
-  Blockly.DropDownDiv.showPositionedByField(
-      this, this.dropdownDispose_.bind(this));
-
-  this.updateGraph_();
-};
-
-/**
- * Create the angle dropdown editor.
- * @return {!SVGElement} The newly created angle picker.
- * @private
- */
-Blockly.FieldAngle.prototype.dropdownCreate_ = function() {
-  var svg = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.SVG, {
-        'xmlns': Blockly.utils.dom.SVG_NS,
-        'xmlns:html': Blockly.utils.dom.HTML_NS,
-        'xmlns:xlink': Blockly.utils.dom.XLINK_NS,
-        'version': '1.1',
-        'height': (Blockly.FieldAngle.HALF * 2) + 'px',
-        'width': (Blockly.FieldAngle.HALF * 2) + 'px',
-        'style': 'touch-action: none'
-      }, null);
-  var circle = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.CIRCLE, {
-        'cx': Blockly.FieldAngle.HALF,
-        'cy': Blockly.FieldAngle.HALF,
-        'r': Blockly.FieldAngle.RADIUS,
-        'class': 'blocklyAngleCircle'
-      }, svg);
-  this.gauge_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH, {
-        'class': 'blocklyAngleGauge'
-      }, svg);
-  this.line_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.LINE, {
-        'x1': Blockly.FieldAngle.HALF,
-        'y1': Blockly.FieldAngle.HALF,
-        'class': 'blocklyAngleLine'
-      }, svg);
-  // Draw markers around the edge.
-  for (var angle = 0; angle < 360; angle += 15) {
-    Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.LINE, {
-          'x1': Blockly.FieldAngle.HALF + Blockly.FieldAngle.RADIUS,
-          'y1': Blockly.FieldAngle.HALF,
-          'x2': Blockly.FieldAngle.HALF + Blockly.FieldAngle.RADIUS -
-              (angle % 45 == 0 ? 10 : 5),
-          'y2': Blockly.FieldAngle.HALF,
-          'class': 'blocklyAngleMarks',
-          'transform': 'rotate(' + angle + ',' +
-              Blockly.FieldAngle.HALF + ',' + Blockly.FieldAngle.HALF + ')'
-        }, svg);
-  }
-
-  // The angle picker is different from other fields in that it updates on
-  // mousemove even if it's not in the middle of a drag.  In future we may
-  // change this behaviour.
-  this.clickWrapper_ =
-      Blockly.bindEventWithChecks_(svg, 'click', this, this.hide_);
-  // On touch devices, the picker's value is only updated with a drag. Add
-  // a click handler on the drag surface to update the value if the surface
-  // is clicked.
-  this.clickSurfaceWrapper_ =
-      Blockly.bindEventWithChecks_(circle, 'click', this, this.onMouseMove_,
-          true, true);
-  this.moveSurfaceWrapper_ =
-      Blockly.bindEventWithChecks_(circle, 'mousemove', this, this.onMouseMove_,
-          true, true);
-  return svg;
-};
-
-/**
- * Disposes of events and dom-references belonging to the angle editor.
- * @private
- */
-Blockly.FieldAngle.prototype.dropdownDispose_ = function() {
-  if (this.clickWrapper_) {
-    Blockly.unbindEvent_(this.clickWrapper_);
-    this.clickWrapper_ = null;
-  }
-  if (this.clickSurfaceWrapper_) {
-    Blockly.unbindEvent_(this.clickSurfaceWrapper_);
-    this.clickSurfaceWrapper_ = null;
-  }
-  if (this.moveSurfaceWrapper_) {
-    Blockly.unbindEvent_(this.moveSurfaceWrapper_);
-    this.moveSurfaceWrapper_ = null;
-  }
-  this.gauge_ = null;
-  this.line_ = null;
-};
-
-/**
- * Hide the editor.
- * @private
- */
-Blockly.FieldAngle.prototype.hide_ = function() {
-  Blockly.DropDownDiv.hideIfOwner(this);
-  Blockly.WidgetDiv.hide();
-};
-
-/**
- * Set the angle to match the mouse's position.
- * @param {!Event} e Mouse move event.
- * @protected
- */
-Blockly.FieldAngle.prototype.onMouseMove_ = function(e) {
-  // Calculate angle.
-  var bBox = this.gauge_.ownerSVGElement.getBoundingClientRect();
-  var dx = e.clientX - bBox.left - Blockly.FieldAngle.HALF;
-  var dy = e.clientY - bBox.top - Blockly.FieldAngle.HALF;
-  var angle = Math.atan(-dy / dx);
-  if (isNaN(angle)) {
-    // This shouldn't happen, but let's not let this error propagate further.
-    return;
-  }
-  angle = Blockly.utils.math.toDegrees(angle);
-  // 0: East, 90: North, 180: West, 270: South.
-  if (dx < 0) {
-    angle += 180;
-  } else if (dy > 0) {
-    angle += 360;
-  }
-
-  // Do offsetting.
-  if (this.clockwise_) {
-    angle = this.offset_ + 360 - angle;
-  } else {
-    angle = 360 - (this.offset_ - angle);
-  }
-
-  this.displayMouseOrKeyboardValue_(angle);
-};
-
-/**
- * Handles and displays values that are input via mouse or arrow key input.
- * These values need to be rounded and wrapped before being displayed so
- * that the text input's value is appropriate.
- * @param {number} angle New angle.
- * @private
- */
-Blockly.FieldAngle.prototype.displayMouseOrKeyboardValue_ = function(angle) {
-  if (this.round_) {
-    angle = Math.round(angle / this.round_) * this.round_;
-  }
-  angle = this.wrapValue_(angle);
-  if (angle != this.value_) {
-    this.setEditorValue_(angle);
-  }
-};
-
-/**
- * Redraw the graph with the current angle.
- * @private
- */
-Blockly.FieldAngle.prototype.updateGraph_ = function() {
-  if (!this.gauge_) {
-    return;
-  }
-  // Always display the input (i.e. getText) even if it is invalid.
-  var angleDegrees = Number(this.getText()) + this.offset_;
-  angleDegrees %= 360;
-  var angleRadians = Blockly.utils.math.toRadians(angleDegrees);
-  var path = ['M ', Blockly.FieldAngle.HALF, ',', Blockly.FieldAngle.HALF];
-  var x2 = Blockly.FieldAngle.HALF;
-  var y2 = Blockly.FieldAngle.HALF;
-  if (!isNaN(angleRadians)) {
-    var clockwiseFlag = Number(this.clockwise_);
-    var angle1 = Blockly.utils.math.toRadians(this.offset_);
-    var x1 = Math.cos(angle1) * Blockly.FieldAngle.RADIUS;
-    var y1 = Math.sin(angle1) * -Blockly.FieldAngle.RADIUS;
-    if (clockwiseFlag) {
-      angleRadians = 2 * angle1 - angleRadians;
-    }
-    x2 += Math.cos(angleRadians) * Blockly.FieldAngle.RADIUS;
-    y2 -= Math.sin(angleRadians) * Blockly.FieldAngle.RADIUS;
-    // Don't ask how the flag calculations work.  They just do.
-    var largeFlag = Math.abs(Math.floor((angleRadians - angle1) / Math.PI) % 2);
-    if (clockwiseFlag) {
-      largeFlag = 1 - largeFlag;
-    }
-    path.push(' l ', x1, ',', y1,
-        ' A ', Blockly.FieldAngle.RADIUS, ',', Blockly.FieldAngle.RADIUS,
-        ' 0 ', largeFlag, ' ', clockwiseFlag, ' ', x2, ',', y2, ' z');
-  }
-  this.gauge_.setAttribute('d', path.join(''));
-  this.line_.setAttribute('x2', x2);
-  this.line_.setAttribute('y2', y2);
-};
-
-/**
- * Handle key down to the editor.
- * @param {!Event} e Keyboard event.
- * @protected
- * @override
- */
-Blockly.FieldAngle.prototype.onHtmlInputKeyDown_ = function(e) {
-  Blockly.FieldAngle.superClass_.onHtmlInputKeyDown_.call(this, e);
-
-  var multiplier;
-  if (e.keyCode === Blockly.utils.KeyCodes.LEFT) {
-    // decrement (increment in RTL)
-    multiplier = this.sourceBlock_.RTL ? 1 : -1;
-  } else if (e.keyCode === Blockly.utils.KeyCodes.RIGHT) {
-    // increment (decrement in RTL)
-    multiplier = this.sourceBlock_.RTL ? -1 : 1;
-  } else if (e.keyCode === Blockly.utils.KeyCodes.DOWN) {
-    // decrement
-    multiplier = -1;
-  } else if (e.keyCode === Blockly.utils.KeyCodes.UP) {
-    // increment
-    multiplier = 1;
-  }
-  if (multiplier) {
-    var value = /** @type {number} */ (this.getValue());
-    this.displayMouseOrKeyboardValue_(
-        value + (multiplier * this.round_));
-    e.preventDefault();
-    e.stopPropagation();
-  }
-};
-
-/**
- * Ensure that the input value is a valid angle.
- * @param {*=} opt_newValue The input value.
- * @return {?number} A valid angle, or null if invalid.
- * @protected
- * @override
- */
-Blockly.FieldAngle.prototype.doClassValidation_ = function(opt_newValue) {
-  var value = Number(opt_newValue);
-  if (isNaN(value) || !isFinite(value)) {
-    return null;
-  }
-  return this.wrapValue_(value);
-};
-
-/**
- * Wraps the value so that it is in the range (-360 + wrap, wrap).
- * @param {number} value The value to wrap.
- * @return {number} The wrapped value.
- * @private
- */
-Blockly.FieldAngle.prototype.wrapValue_ = function(value) {
-  value %= 360;
-  if (value < 0) {
-    value += 360;
-  }
-  if (value > this.wrap_) {
-    value -= 360;
-  }
-  return value;
-};
-
-/**
- * CSS for angle field.  See css.js for use.
- */
-Blockly.Css.register([
-  /* eslint-disable indent */
-  '.blocklyAngleCircle {',
-    'stroke: #444;',
-    'stroke-width: 1;',
-    'fill: #ddd;',
-    'fill-opacity: .8;',
-  '}',
-
-  '.blocklyAngleMarks {',
-    'stroke: #444;',
-    'stroke-width: 1;',
-  '}',
-
-  '.blocklyAngleGauge {',
-    'fill: #f88;',
-    'fill-opacity: .8;',
-    'pointer-events: none;',
-  '}',
-
-  '.blocklyAngleLine {',
-    'stroke: #f00;',
-    'stroke-width: 2;',
-    'stroke-linecap: round;',
-    'pointer-events: none;',
-  '}'
-  /* eslint-enable indent */
-]);
-
-Blockly.fieldRegistry.register('field_angle', Blockly.FieldAngle);
diff --git a/core/field_checkbox.js b/core/field_checkbox.js
deleted file mode 100644
index acca4f203e6..00000000000
--- a/core/field_checkbox.js
+++ /dev/null
@@ -1,220 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Checkbox field.  Checked or not checked.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.FieldCheckbox');
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockChange');
-goog.require('Blockly.Field');
-goog.require('Blockly.fieldRegistry');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Size');
-
-
-/**
- * Class for a checkbox field.
- * @param {string|boolean=} opt_value The initial value of the field. Should
- *    either be 'TRUE', 'FALSE' or a boolean. Defaults to 'FALSE'.
- * @param {Function=} opt_validator  A function that is called to validate
- *    changes to the field's value. Takes in a value ('TRUE' or 'FALSE') &
- *    returns a validated value ('TRUE' or 'FALSE'), or null to abort the
- *    change.
- * @param {Object=} opt_config A map of options used to configure the field.
- *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/checkbox#creation}
- *    for a list of properties this parameter supports.
- * @extends {Blockly.Field}
- * @constructor
- */
-Blockly.FieldCheckbox = function(opt_value, opt_validator, opt_config) {
-  /**
-   * Character for the check mark. Used to apply a different check mark
-   * character to individual fields.
-   * @type {?string}
-   * @private
-   */
-  this.checkChar_ = null;
-
-  Blockly.FieldCheckbox.superClass_.constructor.call(
-      this, opt_value, opt_validator, opt_config);
-};
-Blockly.utils.object.inherits(Blockly.FieldCheckbox, Blockly.Field);
-
-/**
- * The default value for this field.
- * @type {*}
- * @protected
- */
-Blockly.FieldCheckbox.prototype.DEFAULT_VALUE = false;
-
-/**
- * Construct a FieldCheckbox from a JSON arg object.
- * @param {!Object} options A JSON object with options (checked).
- * @return {!Blockly.FieldCheckbox} The new field instance.
- * @package
- * @nocollapse
- */
-Blockly.FieldCheckbox.fromJson = function(options) {
-  return new Blockly.FieldCheckbox(options['checked'], undefined, options);
-};
-
-/**
- * Default character for the checkmark.
- * @type {string}
- * @const
- */
-Blockly.FieldCheckbox.CHECK_CHAR = '\u2713';
-
-/**
- * Serializable fields are saved by the XML renderer, non-serializable fields
- * are not. Editable fields should also be serializable.
- * @type {boolean}
- */
-Blockly.FieldCheckbox.prototype.SERIALIZABLE = true;
-
-/**
- * Mouse cursor style when over the hotspot that initiates editability.
- */
-Blockly.FieldCheckbox.prototype.CURSOR = 'default';
-
-/**
- * Configure the field based on the given map of options.
- * @param {!Object} config A map of options to configure the field based on.
- * @private
- */
-Blockly.FieldCheckbox.prototype.configure_ = function(config) {
-  Blockly.FieldCheckbox.superClass_.configure_.call(this, config);
-  if (config['checkCharacter']) {
-    this.checkChar_ = config['checkCharacter'];
-  }
-};
-
-/**
- * Create the block UI for this checkbox.
- * @package
- */
-Blockly.FieldCheckbox.prototype.initView = function() {
-  Blockly.FieldCheckbox.superClass_.initView.call(this);
-
-  Blockly.utils.dom.addClass(
-      /** @type {!SVGTextElement} **/ (this.textElement_), 'blocklyCheckbox');
-  this.textElement_.style.display = this.value_ ? 'block' : 'none';
-};
-
-/**
- * @override
- */
-Blockly.FieldCheckbox.prototype.render_ = function() {
-  if (this.textContent_) {
-    this.textContent_.nodeValue = this.getDisplayText_();
-  }
-  this.updateSize_(this.getConstants().FIELD_CHECKBOX_X_OFFSET);
-};
-
-/**
- * @override
- */
-Blockly.FieldCheckbox.prototype.getDisplayText_ = function() {
-  return this.checkChar_ || Blockly.FieldCheckbox.CHECK_CHAR;
-};
-
-/**
- * Set the character used for the check mark.
- * @param {?string} character The character to use for the check mark, or
- *    null to use the default.
- */
-Blockly.FieldCheckbox.prototype.setCheckCharacter = function(character) {
-  this.checkChar_ = character;
-  this.forceRerender();
-};
-
-/**
- * Toggle the state of the checkbox on click.
- * @protected
- */
-Blockly.FieldCheckbox.prototype.showEditor_ = function() {
-  this.setValue(!this.value_);
-};
-
-/**
- * Ensure that the input value is valid ('TRUE' or 'FALSE').
- * @param {*=} opt_newValue The input value.
- * @return {?string} A valid value ('TRUE' or 'FALSE), or null if invalid.
- * @protected
- */
-Blockly.FieldCheckbox.prototype.doClassValidation_ = function(opt_newValue) {
-  if (opt_newValue === true || opt_newValue === 'TRUE') {
-    return 'TRUE';
-  }
-  if (opt_newValue === false || opt_newValue === 'FALSE') {
-    return 'FALSE';
-  }
-  return null;
-};
-
-/**
- * Update the value of the field, and update the checkElement.
- * @param {*} newValue The value to be saved. The default validator guarantees
- * that this is a either 'TRUE' or 'FALSE'.
- * @protected
- */
-Blockly.FieldCheckbox.prototype.doValueUpdate_ = function(newValue) {
-  this.value_ = this.convertValueToBool_(newValue);
-  // Update visual.
-  if (this.textElement_) {
-    this.textElement_.style.display = this.value_ ? 'block' : 'none';
-  }
-};
-
-/**
- * Get the value of this field, either 'TRUE' or 'FALSE'.
- * @return {string} The value of this field.
- */
-Blockly.FieldCheckbox.prototype.getValue = function() {
-  return this.value_ ? 'TRUE' : 'FALSE';
-};
-
-/**
- * Get the boolean value of this field.
- * @return {boolean} The boolean value of this field.
- */
-Blockly.FieldCheckbox.prototype.getValueBoolean = function() {
-  return /** @type {boolean} */ (this.value_);
-};
-
-/**
- * Get the text of this field. Used when the block is collapsed.
- * @return {string} Text representing the value of this field
- *    ('true' or 'false').
- */
-Blockly.FieldCheckbox.prototype.getText = function() {
-  return String(this.convertValueToBool_(this.value_));
-};
-
-/**
- * Convert a value into a pure boolean.
- *
- * Converts 'TRUE' to true and 'FALSE' to false correctly, everything else
- * is cast to a boolean.
- * @param {*} value The value to convert.
- * @return {boolean} The converted value.
- * @private
- */
-Blockly.FieldCheckbox.prototype.convertValueToBool_ = function(value) {
-  if (typeof value == 'string') {
-    return value == 'TRUE';
-  } else {
-    return !!value;
-  }
-};
-
-Blockly.fieldRegistry.register('field_checkbox', Blockly.FieldCheckbox);
diff --git a/core/field_checkbox.ts b/core/field_checkbox.ts
new file mode 100644
index 00000000000..83f460bb9d2
--- /dev/null
+++ b/core/field_checkbox.ts
@@ -0,0 +1,271 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Checkbox field.  Checked or not checked.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.FieldCheckbox
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_block_change.js';
+
+import * as dom from './utils/dom.js';
+import {Field, FieldConfig, FieldValidator} from './field.js';
+import * as fieldRegistry from './field_registry.js';
+
+type BoolString = 'TRUE' | 'FALSE';
+type CheckboxBool = BoolString | boolean;
+
+/**
+ * Class for a checkbox field.
+ */
+export class FieldCheckbox extends Field<CheckboxBool> {
+  /** Default character for the checkmark. */
+  static readonly CHECK_CHAR = '✓';
+  private checkChar: string;
+
+  /**
+   * Serializable fields are saved by the serializer, non-serializable fields
+   * are not. Editable fields should also be serializable.
+   */
+  override SERIALIZABLE = true;
+
+  /**
+   * Mouse cursor style when over the hotspot that initiates editability.
+   */
+  override CURSOR = 'default';
+
+  /**
+   * NOTE: The default value is set in `Field`, so maintain that value instead
+   * of overwriting it here or in the constructor.
+   */
+  override value_: boolean | null = this.value_;
+
+  /**
+   * @param value The initial value of the field. Should either be 'TRUE',
+   *     'FALSE' or a boolean. Defaults to 'FALSE'. Also accepts
+   *     Field.SKIP_SETUP if you wish to skip setup (only used by subclasses
+   *     that want to handle configuration and setting the field value after
+   *     their own constructors have run).
+   * @param validator  A function that is called to validate changes to the
+   *     field's value. Takes in a value ('TRUE' or 'FALSE') & returns a
+   *     validated value ('TRUE' or 'FALSE'), or null to abort the change.
+   * @param config A map of options used to configure the field.
+   *     See the [field creation documentation]{@link
+   * https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/checkbox#creation}
+   * for a list of properties this parameter supports.
+   */
+  constructor(
+    value?: CheckboxBool | typeof Field.SKIP_SETUP,
+    validator?: FieldCheckboxValidator,
+    config?: FieldCheckboxConfig,
+  ) {
+    super(Field.SKIP_SETUP);
+
+    /**
+     * Character for the check mark. Used to apply a different check mark
+     * character to individual fields.
+     */
+    this.checkChar = FieldCheckbox.CHECK_CHAR;
+
+    if (value === Field.SKIP_SETUP) return;
+    if (config) {
+      this.configure_(config);
+    }
+    this.setValue(value);
+    if (validator) {
+      this.setValidator(validator);
+    }
+  }
+
+  /**
+   * Configure the field based on the given map of options.
+   *
+   * @param config A map of options to configure the field based on.
+   */
+  protected override configure_(config: FieldCheckboxConfig) {
+    super.configure_(config);
+    if (config.checkCharacter) this.checkChar = config.checkCharacter;
+  }
+
+  /**
+   * Saves this field's value.
+   *
+   * @returns The boolean value held by this field.
+   * @internal
+   */
+  override saveState(): AnyDuringMigration {
+    const legacyState = this.saveLegacyState(FieldCheckbox);
+    if (legacyState !== null) {
+      return legacyState;
+    }
+    return this.getValueBoolean();
+  }
+
+  /**
+   * Create the block UI for this checkbox.
+   */
+  override initView() {
+    super.initView();
+
+    const textElement = this.getTextElement();
+    dom.addClass(textElement, 'blocklyCheckbox');
+    textElement.style.display = this.value_ ? 'block' : 'none';
+  }
+
+  override render_() {
+    if (this.textContent_) {
+      this.textContent_.nodeValue = this.getDisplayText_();
+    }
+    this.updateSize_(this.getConstants()!.FIELD_CHECKBOX_X_OFFSET);
+  }
+
+  override getDisplayText_() {
+    return this.checkChar;
+  }
+
+  /**
+   * Set the character used for the check mark.
+   *
+   * @param character The character to use for the check mark, or null to use
+   *     the default.
+   */
+  setCheckCharacter(character: string | null) {
+    this.checkChar = character || FieldCheckbox.CHECK_CHAR;
+    this.forceRerender();
+  }
+
+  /** Toggle the state of the checkbox on click. */
+  protected override showEditor_() {
+    this.setValue(!this.value_);
+  }
+
+  /**
+   * Ensure that the input value is valid ('TRUE' or 'FALSE').
+   *
+   * @param newValue The input value.
+   * @returns A valid value ('TRUE' or 'FALSE), or null if invalid.
+   */
+  protected override doClassValidation_(
+    newValue?: AnyDuringMigration,
+  ): BoolString | null {
+    if (newValue === true || newValue === 'TRUE') {
+      return 'TRUE';
+    }
+    if (newValue === false || newValue === 'FALSE') {
+      return 'FALSE';
+    }
+    return null;
+  }
+
+  /**
+   * Update the value of the field, and update the checkElement.
+   *
+   * @param newValue The value to be saved. The default validator guarantees
+   *     that this is a either 'TRUE' or 'FALSE'.
+   */
+  protected override doValueUpdate_(newValue: BoolString) {
+    this.value_ = this.convertValueToBool_(newValue);
+    // Update visual.
+    if (this.textElement_) {
+      this.textElement_.style.display = this.value_ ? 'block' : 'none';
+    }
+  }
+
+  /**
+   * Get the value of this field, either 'TRUE' or 'FALSE'.
+   *
+   * @returns The value of this field.
+   */
+  override getValue(): BoolString {
+    return this.value_ ? 'TRUE' : 'FALSE';
+  }
+
+  /**
+   * Get the boolean value of this field.
+   *
+   * @returns The boolean value of this field.
+   */
+  getValueBoolean(): boolean | null {
+    return this.value_;
+  }
+
+  /**
+   * Get the text of this field. Used when the block is collapsed.
+   *
+   * @returns Text representing the value of this field ('true' or 'false').
+   */
+  override getText(): string {
+    return String(this.convertValueToBool_(this.value_));
+  }
+
+  /**
+   * Convert a value into a pure boolean.
+   *
+   * Converts 'TRUE' to true and 'FALSE' to false correctly, everything else
+   * is cast to a boolean.
+   *
+   * @param value The value to convert.
+   * @returns The converted value.
+   */
+  private convertValueToBool_(value: CheckboxBool | null): boolean {
+    if (typeof value === 'string') return value === 'TRUE';
+    return !!value;
+  }
+
+  /**
+   * Construct a FieldCheckbox from a JSON arg object.
+   *
+   * @param options A JSON object with options (checked).
+   * @returns The new field instance.
+   * @nocollapse
+   * @internal
+   */
+  static override fromJson(
+    options: FieldCheckboxFromJsonConfig,
+  ): FieldCheckbox {
+    // `this` might be a subclass of FieldCheckbox if that class doesn't
+    // 'override' the static fromJson method.
+    return new this(options.checked, undefined, options);
+  }
+}
+
+fieldRegistry.register('field_checkbox', FieldCheckbox);
+
+FieldCheckbox.prototype.DEFAULT_VALUE = false;
+
+/**
+ * Config options for the checkbox field.
+ */
+export interface FieldCheckboxConfig extends FieldConfig {
+  checkCharacter?: string;
+}
+
+/**
+ * fromJson config options for the checkbox field.
+ */
+export interface FieldCheckboxFromJsonConfig extends FieldCheckboxConfig {
+  checked?: boolean;
+}
+
+/**
+ * A function that is called to validate changes to the field's value before
+ * they are set.
+ *
+ * @see {@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/validators#return_values}
+ * @param newValue The value to be validated.
+ * @returns One of three instructions for setting the new value: `T`, `null`,
+ * or `undefined`.
+ *
+ * - `T` to set this function's returned value instead of `newValue`.
+ *
+ * - `null` to invoke `doValueInvalid_` and not set a value.
+ *
+ * - `undefined` to set `newValue` as is.
+ */
+export type FieldCheckboxValidator = FieldValidator<CheckboxBool>;
diff --git a/core/field_colour.js b/core/field_colour.js
deleted file mode 100644
index fbef4938460..00000000000
--- a/core/field_colour.js
+++ /dev/null
@@ -1,664 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Colour input field.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.FieldColour');
-
-goog.require('Blockly.Css');
-goog.require('Blockly.DropDownDiv');
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockChange');
-goog.require('Blockly.Field');
-goog.require('Blockly.fieldRegistry');
-goog.require('Blockly.navigation');
-goog.require('Blockly.utils.aria');
-goog.require('Blockly.utils.colour');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.IdGenerator');
-goog.require('Blockly.utils.KeyCodes');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Size');
-
-
-/**
- * Class for a colour input field.
- * @param {string=} opt_value The initial value of the field. Should be in
- *    '#rrggbb' format. Defaults to the first value in the default colour array.
- * @param {Function=} opt_validator A function that is called to validate
- *    changes to the field's value. Takes in a colour string & returns a
- *    validated colour string ('#rrggbb' format), or null to abort the change.
- * @param {Object=} opt_config A map of options used to configure the field.
- *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/colour}
- *    for a list of properties this parameter supports.
- * @extends {Blockly.Field}
- * @constructor
- */
-Blockly.FieldColour = function(opt_value, opt_validator, opt_config) {
-  Blockly.FieldColour.superClass_.constructor.call(
-      this, opt_value, opt_validator, opt_config);
-
-  /**
-   * The field's colour picker element.
-   * @type {Element}
-   * @private
-   */
-  this.picker_ = null;
-
-  /**
-   * Index of the currently highlighted element.
-   * @type {?number}
-   * @private
-   */
-  this.highlightedIndex_ = null;
-
-  /**
-   * Mouse click event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onClickWrapper_ = null;
-
-  /**
-   * Mouse move event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onMouseMoveWrapper_ = null;
-
-  /**
-   * Mouse enter event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onMouseEnterWrapper_ = null;
-
-  /**
-   * Mouse leave event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onMouseLeaveWrapper_ = null;
-
-  /**
-   * Key down event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onKeyDownWrapper_ = null;
-};
-Blockly.utils.object.inherits(Blockly.FieldColour, Blockly.Field);
-
-/**
- * Construct a FieldColour from a JSON arg object.
- * @param {!Object} options A JSON object with options (colour).
- * @return {!Blockly.FieldColour} The new field instance.
- * @package
- * @nocollapse
- */
-Blockly.FieldColour.fromJson = function(options) {
-  return new Blockly.FieldColour(options['colour'], undefined, options);
-};
-
-/**
- * Serializable fields are saved by the XML renderer, non-serializable fields
- * are not. Editable fields should also be serializable.
- * @type {boolean}
- */
-Blockly.FieldColour.prototype.SERIALIZABLE = true;
-
-/**
- * Mouse cursor style when over the hotspot that initiates the editor.
- */
-Blockly.FieldColour.prototype.CURSOR = 'default';
-
-/**
- * Used to tell if the field needs to be rendered the next time the block is
- * rendered. Colour fields are statically sized, and only need to be
- * rendered at initialization.
- * @type {boolean}
- * @protected
- */
-Blockly.FieldColour.prototype.isDirty_ = false;
-
-/**
- * Array of colours used by this field.  If null, use the global list.
- * @type {Array.<string>}
- * @private
- */
-Blockly.FieldColour.prototype.colours_ = null;
-
-/**
- * Array of colour tooltips used by this field.  If null, use the global list.
- * @type {Array.<string>}
- * @private
- */
-Blockly.FieldColour.prototype.titles_ = null;
-
-/**
- * Number of colour columns used by this field.  If 0, use the global setting.
- * By default use the global constants for columns.
- * @type {number}
- * @private
- */
-Blockly.FieldColour.prototype.columns_ = 0;
-
-/**
- * Configure the field based on the given map of options.
- * @param {!Object} config A map of options to configure the field based on.
- * @private
- */
-Blockly.FieldColour.prototype.configure_ = function(config) {
-  Blockly.FieldColour.superClass_.configure_.call(this, config);
-  if (config['colourOptions']) {
-    this.colours_ = config['colourOptions'];
-    this.titles_ = config['colourTitles'];
-  }
-  if (config['columns']) {
-    this.columns_ = config['columns'];
-  }
-};
-
-/**
- * Create the block UI for this colour field.
- * @package
- */
-Blockly.FieldColour.prototype.initView = function() {
-  this.size_ = new Blockly.utils.Size(
-      this.getConstants().FIELD_COLOUR_DEFAULT_WIDTH,
-      this.getConstants().FIELD_COLOUR_DEFAULT_HEIGHT);
-  if (!this.getConstants().FIELD_COLOUR_FULL_BLOCK) {
-    this.createBorderRect_();
-    this.borderRect_.style['fillOpacity'] = '1';
-  } else {
-    this.clickTarget_ = this.sourceBlock_.getSvgRoot();
-  }
-};
-
-/**
- * @override
- */
-Blockly.FieldColour.prototype.applyColour = function() {
-  if (!this.getConstants().FIELD_COLOUR_FULL_BLOCK) {
-    if (this.borderRect_) {
-      this.borderRect_.style.fill = this.getValue();
-    }
-  } else {
-    this.sourceBlock_.pathObject.svgPath.setAttribute('fill', this.getValue());
-    this.sourceBlock_.pathObject.svgPath.setAttribute('stroke', '#fff');
-  }
-};
-
-/**
- * Ensure that the input value is a valid colour.
- * @param {*=} opt_newValue The input value.
- * @return {?string} A valid colour, or null if invalid.
- * @protected
- */
-Blockly.FieldColour.prototype.doClassValidation_ = function(opt_newValue) {
-  if (typeof opt_newValue != 'string') {
-    return null;
-  }
-  return Blockly.utils.colour.parse(opt_newValue);
-};
-
-/**
- * Update the value of this colour field, and update the displayed colour.
- * @param {*} newValue The value to be saved. The default validator guarantees
- * that this is a colour in '#rrggbb' format.
- * @protected
- */
-Blockly.FieldColour.prototype.doValueUpdate_ = function(newValue) {
-  this.value_ = newValue;
-  if (this.borderRect_) {
-    this.borderRect_.style.fill = newValue;
-  } else if (this.sourceBlock_ && this.sourceBlock_.rendered) {
-    this.sourceBlock_.pathObject.svgPath.setAttribute('fill', newValue);
-    this.sourceBlock_.pathObject.svgPath.setAttribute('stroke', '#fff');
-  }
-};
-
-/**
- * Get the text for this field.  Used when the block is collapsed.
- * @return {string} Text representing the value of this field.
- */
-Blockly.FieldColour.prototype.getText = function() {
-  var colour = /** @type {string} */ (this.value_);
-  // Try to use #rgb format if possible, rather than #rrggbb.
-  if (/^#(.)\1(.)\2(.)\3$/.test(colour)) {
-    colour = '#' + colour[1] + colour[3] + colour[5];
-  }
-  return colour;
-};
-
-/**
- * An array of colour strings for the palette.
- * Copied from goog.ui.ColorPicker.SIMPLE_GRID_COLORS
- * All colour pickers use this unless overridden with setColours.
- * @type {!Array.<string>}
- */
-Blockly.FieldColour.COLOURS = [
-  // grays
-  '#ffffff', '#cccccc', '#c0c0c0', '#999999', '#666666', '#333333', '#000000',
-  // reds
-  '#ffcccc', '#ff6666', '#ff0000', '#cc0000', '#990000', '#660000', '#330000',
-  // oranges
-  '#ffcc99', '#ff9966', '#ff9900', '#ff6600', '#cc6600', '#993300', '#663300',
-  // yellows
-  '#ffff99', '#ffff66', '#ffcc66', '#ffcc33', '#cc9933', '#996633', '#663333',
-  // olives
-  '#ffffcc', '#ffff33', '#ffff00', '#ffcc00', '#999900', '#666600', '#333300',
-  // greens
-  '#99ff99', '#66ff99', '#33ff33', '#33cc00', '#009900', '#006600', '#003300',
-  // turquoises
-  '#99ffff', '#33ffff', '#66cccc', '#00cccc', '#339999', '#336666', '#003333',
-  // blues
-  '#ccffff', '#66ffff', '#33ccff', '#3366ff', '#3333ff', '#000099', '#000066',
-  // purples
-  '#ccccff', '#9999ff', '#6666cc', '#6633ff', '#6600cc', '#333399', '#330099',
-  // violets
-  '#ffccff', '#ff99ff', '#cc66cc', '#cc33cc', '#993399', '#663366', '#330033'
-];
-
-/**
- * The default value for this field.
- * @type {*}
- * @protected
- */
-Blockly.FieldColour.prototype.DEFAULT_VALUE = Blockly.FieldColour.COLOURS[0];
-
-/**
- * An array of tooltip strings for the palette.  If not the same length as
- * COLOURS, the colour's hex code will be used for any missing titles.
- * All colour pickers use this unless overridden with setColours.
- * @type {!Array.<string>}
- */
-Blockly.FieldColour.TITLES = [];
-
-/**
- * Number of columns in the palette.
- * All colour pickers use this unless overridden with setColumns.
- */
-Blockly.FieldColour.COLUMNS = 7;
-
-/**
- * Set a custom colour grid for this field.
- * @param {Array.<string>} colours Array of colours for this block,
- *     or null to use default (Blockly.FieldColour.COLOURS).
- * @param {Array.<string>=} opt_titles Optional array of colour tooltips,
- *     or null to use default (Blockly.FieldColour.TITLES).
- * @return {!Blockly.FieldColour} Returns itself (for method chaining).
- */
-Blockly.FieldColour.prototype.setColours = function(colours, opt_titles) {
-  this.colours_ = colours;
-  if (opt_titles) {
-    this.titles_ = opt_titles;
-  }
-  return this;
-};
-
-/**
- * Set a custom grid size for this field.
- * @param {number} columns Number of columns for this block,
- *     or 0 to use default (Blockly.FieldColour.COLUMNS).
- * @return {!Blockly.FieldColour} Returns itself (for method chaining).
- */
-Blockly.FieldColour.prototype.setColumns = function(columns) {
-  this.columns_ = columns;
-  return this;
-};
-
-/**
- * Create and show the colour field's editor.
- * @protected
- */
-Blockly.FieldColour.prototype.showEditor_ = function() {
-  this.picker_ = this.dropdownCreate_();
-  Blockly.DropDownDiv.getContentDiv().appendChild(this.picker_);
-
-  Blockly.DropDownDiv.showPositionedByField(
-      this, this.dropdownDispose_.bind(this));
-
-  // Focus so we can start receiving keyboard events.
-  this.picker_.focus({preventScroll:true});
-};
-
-/**
- * Handle a click on a colour cell.
- * @param {!MouseEvent} e Mouse event.
- * @private
- */
-Blockly.FieldColour.prototype.onClick_ = function(e) {
-  var cell = /** @type {!Element} */ (e.target);
-  var colour = cell && cell.label;
-  if (colour !== null) {
-    this.setValue(colour);
-    Blockly.DropDownDiv.hideIfOwner(this);
-  }
-};
-
-/**
- * Handle a key down event. Navigate around the grid with the
- * arrow keys. Enter selects the highlighted colour.
- * @param {!KeyboardEvent} e Keyboard event.
- * @private
- */
-Blockly.FieldColour.prototype.onKeyDown_ = function(e) {
-  var handled = false;
-  if (e.keyCode === Blockly.utils.KeyCodes.UP) {
-    this.moveHighlightBy_(0, -1);
-    handled = true;
-  } else if (e.keyCode === Blockly.utils.KeyCodes.DOWN) {
-    this.moveHighlightBy_(0, 1);
-    handled = true;
-  } else if (e.keyCode === Blockly.utils.KeyCodes.LEFT) {
-    this.moveHighlightBy_(-1, 0);
-    handled = true;
-  } else if (e.keyCode === Blockly.utils.KeyCodes.RIGHT) {
-    this.moveHighlightBy_(1, 0);
-    handled = true;
-  } else if (e.keyCode === Blockly.utils.KeyCodes.ENTER) {
-    // Select the highlighted colour.
-    var highlighted = this.getHighlighted_();
-    if (highlighted) {
-      var colour = highlighted && highlighted.label;
-      if (colour !== null) {
-        this.setValue(colour);
-      }
-    }
-    Blockly.DropDownDiv.hideWithoutAnimation();
-    handled = true;
-  }
-  if (handled) {
-    e.stopPropagation();
-  }
-};
-
-/**
- * Handles the given action.
- * This is only triggered when keyboard accessibility mode is enabled.
- * @param {!Blockly.Action} action The action to be handled.
- * @return {boolean} True if the field handled the action, false otherwise.
- * @package
- */
-Blockly.FieldColour.prototype.onBlocklyAction = function(action) {
-  if (this.picker_) {
-    if (action === Blockly.navigation.ACTION_PREVIOUS) {
-      this.moveHighlightBy_(0, -1);
-      return true;
-    } else if (action === Blockly.navigation.ACTION_NEXT) {
-      this.moveHighlightBy_(0, 1);
-      return true;
-    } else if (action === Blockly.navigation.ACTION_OUT) {
-      this.moveHighlightBy_(-1, 0);
-      return true;
-    } else if (action === Blockly.navigation.ACTION_IN) {
-      this.moveHighlightBy_(1, 0);
-      return true;
-    }
-  }
-  return Blockly.FieldColour.superClass_.onBlocklyAction.call(this, action);
-};
-
-/**
- * Move the currently highlighted position by dx and dy.
- * @param {number} dx Change of x
- * @param {number} dy Change of y
- * @private
- */
-Blockly.FieldColour.prototype.moveHighlightBy_ = function(dx, dy) {
-  var colours = this.colours_ || Blockly.FieldColour.COLOURS;
-  var columns = this.columns_ || Blockly.FieldColour.COLUMNS;
-
-  // Get the current x and y coordinates
-  var x = this.highlightedIndex_ % columns;
-  var y = Math.floor(this.highlightedIndex_ / columns);
-
-  // Add the offset
-  x += dx;
-  y += dy;
-
-  if (dx < 0) {
-    // Move left one grid cell, even in RTL.
-    // Loop back to the end of the previous row if we have room.
-    if (x < 0 && y > 0) {
-      x = columns - 1;
-      y--;
-    } else if (x < 0) {
-      x = 0;
-    }
-  } else if (dx > 0) {
-    // Move right one grid cell, even in RTL.
-    // Loop to the start of the next row, if there's room.
-    if (x > columns - 1 &&
-      y < Math.floor(colours.length / columns) - 1) {
-      x = 0;
-      y++;
-    } else if (x > columns - 1) {
-      x--;
-    }
-  } else if (dy < 0) {
-    // Move up one grid cell, stop at the top.
-    if (y < 0) {
-      y = 0;
-    }
-  } else if (dy > 0) {
-    // Move down one grid cell, stop at the bottom.
-    if (y > Math.floor(colours.length / columns) - 1) {
-      y = Math.floor(colours.length / columns) - 1;
-    }
-  }
-
-  // Move the highlight to the new coordinates.
-  var cell = /** @type {!Element} */ (this.picker_.childNodes[y].childNodes[x]);
-  var index = (y * columns) + x;
-  this.setHighlightedCell_(cell, index);
-};
-
-/**
- * Handle a mouse move event. Highlight the hovered colour.
- * @param {!MouseEvent} e Mouse event.
- * @private
- */
-Blockly.FieldColour.prototype.onMouseMove_ = function(e) {
-  var cell = /** @type {!Element} */ (e.target);
-  var index = cell && Number(cell.getAttribute('data-index'));
-  if (index !== null && index !== this.highlightedIndex_) {
-    this.setHighlightedCell_(cell, index);
-  }
-};
-
-/**
- * Handle a mouse enter event. Focus the picker.
- * @private
- */
-Blockly.FieldColour.prototype.onMouseEnter_ = function() {
-  this.picker_.focus({preventScroll:true});
-};
-
-/**
- * Handle a mouse leave event. Blur the picker and unhighlight
- * the currently highlighted colour.
- * @private
- */
-Blockly.FieldColour.prototype.onMouseLeave_ = function() {
-  this.picker_.blur();
-  var highlighted = this.getHighlighted_();
-  if (highlighted) {
-    Blockly.utils.dom.removeClass(highlighted, 'blocklyColourHighlighted');
-  }
-};
-
-/**
- * Returns the currently highlighted item (if any).
- * @return {HTMLElement} Highlighted item (null if none).
- * @private
- */
-Blockly.FieldColour.prototype.getHighlighted_ = function() {
-  var columns = this.columns_ || Blockly.FieldColour.COLUMNS;
-  var x = this.highlightedIndex_ % columns;
-  var y = Math.floor(this.highlightedIndex_ / columns);
-  var row = this.picker_.childNodes[y];
-  if (!row) {
-    return null;
-  }
-  var col = /** @type {HTMLElement} */ (row.childNodes[x]);
-  return col;
-};
-
-/**
- * Update the currently highlighted cell.
- * @param {!Element} cell the new cell to highlight
- * @param {number} index the index of the new cell
- * @private
- */
-Blockly.FieldColour.prototype.setHighlightedCell_ = function(cell, index) {
-  // Unhighlight the current item.
-  var highlighted = this.getHighlighted_();
-  if (highlighted) {
-    Blockly.utils.dom.removeClass(highlighted, 'blocklyColourHighlighted');
-  }
-  // Highlight new item.
-  Blockly.utils.dom.addClass(cell, 'blocklyColourHighlighted');
-  // Set new highlighted index.
-  this.highlightedIndex_ = index;
-
-  // Update accessibility roles.
-  Blockly.utils.aria.setState(/** @type {!Element} */ (this.picker_),
-      Blockly.utils.aria.State.ACTIVEDESCENDANT, cell.getAttribute('id'));
-};
-
-/**
- * Create a colour picker dropdown editor.
- * @return {!Element} The newly created colour picker.
- * @private
- */
-Blockly.FieldColour.prototype.dropdownCreate_ = function() {
-  var columns = this.columns_ || Blockly.FieldColour.COLUMNS;
-  var colours = this.colours_ || Blockly.FieldColour.COLOURS;
-  var titles = this.titles_ || Blockly.FieldColour.TITLES;
-  var selectedColour = this.getValue();
-  // Create the palette.
-  var table = document.createElement('table');
-  table.className = 'blocklyColourTable';
-  table.tabIndex = 0;
-  table.dir = 'ltr';
-  Blockly.utils.aria.setRole(table, Blockly.utils.aria.Role.GRID);
-  Blockly.utils.aria.setState(table, Blockly.utils.aria.State.EXPANDED, true);
-  Blockly.utils.aria.setState(table, Blockly.utils.aria.State.ROWCOUNT,
-      Math.floor(colours.length / columns));
-  Blockly.utils.aria.setState(table, Blockly.utils.aria.State.COLCOUNT,
-      columns);
-  var row;
-  for (var i = 0; i < colours.length; i++) {
-    if (i % columns == 0) {
-      row = document.createElement('tr');
-      Blockly.utils.aria.setRole(row, Blockly.utils.aria.Role.ROW);
-      table.appendChild(row);
-    }
-    var cell = document.createElement('td');
-    row.appendChild(cell);
-    cell.label = colours[i];  // This becomes the value, if clicked.
-    cell.title = titles[i] || colours[i];
-    cell.id = Blockly.utils.IdGenerator.getNextUniqueId();
-    cell.setAttribute('data-index', i);
-    Blockly.utils.aria.setRole(cell, Blockly.utils.aria.Role.GRIDCELL);
-    Blockly.utils.aria.setState(cell,
-        Blockly.utils.aria.State.LABEL, colours[i]);
-    Blockly.utils.aria.setState(cell,
-        Blockly.utils.aria.State.SELECTED, colours[i] == selectedColour);
-    cell.style.backgroundColor = colours[i];
-    if (colours[i] == selectedColour) {
-      cell.className = 'blocklyColourSelected';
-      this.highlightedIndex_ = i;
-    }
-  }
-
-  // Configure event handler on the table to listen for any event in a cell.
-  this.onClickWrapper_ = Blockly.bindEventWithChecks_(table,
-      'click', this, this.onClick_, true);
-  this.onMouseMoveWrapper_ = Blockly.bindEventWithChecks_(table,
-      'mousemove', this, this.onMouseMove_, true);
-  this.onMouseEnterWrapper_ = Blockly.bindEventWithChecks_(table,
-      'mouseenter', this, this.onMouseEnter_, true);
-  this.onMouseLeaveWrapper_ = Blockly.bindEventWithChecks_(table,
-      'mouseleave', this, this.onMouseLeave_, true);
-  this.onKeyDownWrapper_ = Blockly.bindEventWithChecks_(table,
-      'keydown', this, this.onKeyDown_);
-
-  return table;
-};
-
-/**
- * Disposes of events and dom-references belonging to the colour editor.
- * @private
- */
-Blockly.FieldColour.prototype.dropdownDispose_ = function() {
-  if (this.onClickWrapper_) {
-    Blockly.unbindEvent_(this.onClickWrapper_);
-    this.onClickWrapper_ = null;
-  }
-  if (this.onMouseMoveWrapper_) {
-    Blockly.unbindEvent_(this.onMouseMoveWrapper_);
-    this.onMouseMoveWrapper_ = null;
-  }
-  if (this.onMouseEnterWrapper_) {
-    Blockly.unbindEvent_(this.onMouseEnterWrapper_);
-    this.onMouseEnterWrapper_ = null;
-  }
-  if (this.onMouseLeaveWrapper_) {
-    Blockly.unbindEvent_(this.onMouseLeaveWrapper_);
-    this.onMouseLeaveWrapper_ = null;
-  }
-  if (this.onKeyDownWrapper_) {
-    Blockly.unbindEvent_(this.onKeyDownWrapper_);
-    this.onKeyDownWrapper_ = null;
-  }
-  this.picker_ = null;
-  this.highlightedIndex_ = null;
-};
-
-/**
- * CSS for colour picker.  See css.js for use.
- */
-Blockly.Css.register([
-  /* eslint-disable indent */
-  '.blocklyColourTable {',
-    'border-collapse: collapse;',
-    'display: block;',
-    'outline: none;',
-    'padding: 1px;',
-  '}',
-
-  '.blocklyColourTable>tr>td {',
-    'border: .5px solid #888;',
-    'box-sizing: border-box;',
-    'cursor: pointer;',
-    'display: inline-block;',
-    'height: 20px;',
-    'padding: 0;',
-    'width: 20px;',
-  '}',
-
-  '.blocklyColourTable>tr>td.blocklyColourHighlighted {',
-    'border-color: #eee;',
-    'box-shadow: 2px 2px 7px 2px rgba(0,0,0,.3);',
-    'position: relative;',
-  '}',
-
-  '.blocklyColourSelected, .blocklyColourSelected:hover {',
-    'border-color: #eee !important;',
-    'outline: 1px solid #333;',
-    'position: relative;',
-  '}'
-  /* eslint-enable indent */
-]);
-
-Blockly.fieldRegistry.register('field_colour', Blockly.FieldColour);
diff --git a/core/field_dropdown.js b/core/field_dropdown.js
deleted file mode 100644
index 474b152814f..00000000000
--- a/core/field_dropdown.js
+++ /dev/null
@@ -1,760 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Dropdown input field.  Used for editable titles and variables.
- * In the interests of a consistent UI, the toolbox shares some functions and
- * properties with the context menu.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.FieldDropdown');
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockChange');
-goog.require('Blockly.Field');
-goog.require('Blockly.fieldRegistry');
-goog.require('Blockly.Menu');
-goog.require('Blockly.MenuItem');
-goog.require('Blockly.navigation');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.aria');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Size');
-goog.require('Blockly.utils.string');
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.utils.userAgent');
-
-
-/**
- * Class for an editable dropdown field.
- * @param {(!Array.<!Array>|!Function)} menuGenerator A non-empty array of
- *     options for a dropdown list, or a function which generates these options.
- * @param {Function=} opt_validator A function that is called to validate
- *    changes to the field's value. Takes in a language-neutral dropdown
- *    option & returns a validated language-neutral dropdown option, or null to
- *    abort the change.
- * @param {Object=} opt_config A map of options used to configure the field.
- *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/dropdown#creation}
- *    for a list of properties this parameter supports.
- * @extends {Blockly.Field}
- * @constructor
- * @throws {TypeError} If `menuGenerator` options are incorrectly structured.
- */
-Blockly.FieldDropdown = function(menuGenerator, opt_validator, opt_config) {
-  if (typeof menuGenerator != 'function') {
-    Blockly.FieldDropdown.validateOptions_(menuGenerator);
-  }
-
-  /**
-   * An array of options for a dropdown list,
-   * or a function which generates these options.
-   * @type {(!Array.<!Array>|
-   *    !function(this:Blockly.FieldDropdown): !Array.<!Array>)}
-   * @protected
-   */
-  this.menuGenerator_ = menuGenerator;
-
-  /**
-   * A cache of the most recently generated options.
-   * @type {Array.<!Array.<string>>}
-   * @private
-   */
-  this.generatedOptions_ = null;
-
-  /**
-   * The prefix field label, of common words set after options are trimmed.
-   * @type {?string}
-   * @package
-   */
-  this.prefixField = null;
-
-  /**
-   * The suffix field label, of common words set after options are trimmed.
-   * @type {?string}
-   * @package
-   */
-  this.suffixField = null;
-
-  this.trimOptions_();
-
-  /**
-   * The currently selected option. The field is initialized with the
-   * first option selected.
-   * @type {!Object}
-   * @private
-   */
-  this.selectedOption_ = this.getOptions(false)[0];
-
-  // Call parent's constructor.
-  Blockly.FieldDropdown.superClass_.constructor.call(
-      this, this.selectedOption_[1], opt_validator, opt_config);
-
-  /**
-   * A reference to the currently selected menu item.
-   * @type {Blockly.MenuItem}
-   * @private
-   */
-  this.selectedMenuItem_ = null;
-
-  /**
-   * The dropdown menu.
-   * @type {Blockly.Menu}
-   * @private
-   */
-  this.menu_ = null;
-
-  /**
-   * SVG image element if currently selected option is an image, or null.
-   * @type {SVGImageElement}
-   * @private
-   */
-  this.imageElement_ = null;
-
-  /**
-   * Tspan based arrow element.
-   * @type {SVGTSpanElement}
-   * @private
-   */
-  this.arrow_ = null;
-
-  /**
-   * SVG based arrow element.
-   * @type {SVGElement}
-   * @private
-   */
-  this.svgArrow_ = null;
-};
-Blockly.utils.object.inherits(Blockly.FieldDropdown, Blockly.Field);
-
-/**
- * Dropdown image properties.
- * @typedef {{
-  *            src:string,
-  *            alt:string,
-  *            width:number,
-  *            height:number
-  *          }}
-  */
-Blockly.FieldDropdown.ImageProperties;
-
-/**
- * Construct a FieldDropdown from a JSON arg object.
- * @param {!Object} options A JSON object with options (options).
- * @return {!Blockly.FieldDropdown} The new field instance.
- * @package
- * @nocollapse
- */
-Blockly.FieldDropdown.fromJson = function(options) {
-  return new Blockly.FieldDropdown(options['options'], undefined, options);
-};
-
-/**
- * Serializable fields are saved by the XML renderer, non-serializable fields
- * are not. Editable fields should also be serializable.
- * @type {boolean}
- */
-Blockly.FieldDropdown.prototype.SERIALIZABLE = true;
-
-/**
- * Horizontal distance that a checkmark overhangs the dropdown.
- */
-Blockly.FieldDropdown.CHECKMARK_OVERHANG = 25;
-
-/**
- * Maximum height of the dropdown menu, as a percentage of the viewport height.
- */
-Blockly.FieldDropdown.MAX_MENU_HEIGHT_VH = 0.45;
-
-/**
- * The y offset from the top of the field to the top of the image, if an image
- * is selected.
- * @type {number}
- * @const
- * @private
- */
-Blockly.FieldDropdown.IMAGE_Y_OFFSET = 5;
-
-/**
- * The total vertical padding above and below an image.
- * @type {number}
- * @const
- * @private
- */
-Blockly.FieldDropdown.IMAGE_Y_PADDING =
-    Blockly.FieldDropdown.IMAGE_Y_OFFSET * 2;
-
-/**
- * Android can't (in 2014) display "▾", so use "▼" instead.
- */
-Blockly.FieldDropdown.ARROW_CHAR =
-    Blockly.utils.userAgent.ANDROID ? '\u25BC' : '\u25BE';
-
-/**
- * Mouse cursor style when over the hotspot that initiates the editor.
- */
-Blockly.FieldDropdown.prototype.CURSOR = 'default';
-
-/**
- * Create the block UI for this dropdown.
- * @package
- */
-Blockly.FieldDropdown.prototype.initView = function() {
-  if (this.shouldAddBorderRect_()) {
-    this.createBorderRect_();
-  } else {
-    this.clickTarget_ = this.sourceBlock_.getSvgRoot();
-  }
-  this.createTextElement_();
-
-  this.imageElement_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.IMAGE, {}, this.fieldGroup_);
-
-  if (this.getConstants().FIELD_DROPDOWN_SVG_ARROW) {
-    this.createSVGArrow_();
-  } else {
-    this.createTextArrow_();
-  }
-
-  if (this.borderRect_) {
-    Blockly.utils.dom.addClass(this.borderRect_, 'blocklyDropdownRect');
-  }
-};
-
-/**
- * Whether or not the dropdown should add a border rect.
- * @return {boolean} True if the dropdown field should add a border rect.
- * @protected
- */
-Blockly.FieldDropdown.prototype.shouldAddBorderRect_ = function() {
-  return !this.getConstants().FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW ||
-      (this.getConstants().FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW &&
-          !this.sourceBlock_.isShadow());
-};
-
-/**
- * Create a tspan based arrow.
- * @protected
- */
-Blockly.FieldDropdown.prototype.createTextArrow_ = function() {
-  this.arrow_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.TSPAN, {}, this.textElement_);
-  this.arrow_.appendChild(document.createTextNode(
-      this.sourceBlock_.RTL ?
-      Blockly.FieldDropdown.ARROW_CHAR + ' ' :
-      ' ' + Blockly.FieldDropdown.ARROW_CHAR));
-  if (this.sourceBlock_.RTL) {
-    this.textElement_.insertBefore(this.arrow_, this.textContent_);
-  } else {
-    this.textElement_.appendChild(this.arrow_);
-  }
-};
-
-/**
- * Create an SVG based arrow.
- * @protected
- */
-Blockly.FieldDropdown.prototype.createSVGArrow_ = function() {
-  this.svgArrow_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.IMAGE, {
-        'height': this.getConstants().FIELD_DROPDOWN_SVG_ARROW_SIZE + 'px',
-        'width': this.getConstants().FIELD_DROPDOWN_SVG_ARROW_SIZE + 'px'
-      }, this.fieldGroup_);
-  this.svgArrow_.setAttributeNS(Blockly.utils.dom.XLINK_NS, 'xlink:href',
-      this.getConstants().FIELD_DROPDOWN_SVG_ARROW_DATAURI);
-};
-
-/**
- * Create a dropdown menu under the text.
- * @param {Event=} opt_e Optional mouse event that triggered the field to open,
- *     or undefined if triggered programmatically.
- * @protected
- */
-Blockly.FieldDropdown.prototype.showEditor_ = function(opt_e) {
-  this.menu_ = this.dropdownCreate_();
-  if (opt_e && typeof opt_e.clientX === 'number') {
-    this.menu_.openingCoords =
-        new Blockly.utils.Coordinate(opt_e.clientX, opt_e.clientY);
-  } else {
-    this.menu_.openingCoords = null;
-  }
-  // Element gets created in render.
-  this.menu_.render(Blockly.DropDownDiv.getContentDiv());
-  var menuElement = /** @type {!Element} */ (this.menu_.getElement());
-  Blockly.utils.dom.addClass(menuElement, 'blocklyDropdownMenu');
-
-  if (this.getConstants().FIELD_DROPDOWN_COLOURED_DIV) {
-    var primaryColour = (this.sourceBlock_.isShadow()) ?
-        this.sourceBlock_.getParent().getColour() :
-        this.sourceBlock_.getColour();
-    var borderColour = (this.sourceBlock_.isShadow()) ?
-        this.sourceBlock_.getParent().style.colourTertiary :
-        this.sourceBlock_.style.colourTertiary;
-    Blockly.DropDownDiv.setColour(primaryColour, borderColour);
-  }
-
-  Blockly.DropDownDiv.showPositionedByField(
-      this, this.dropdownDispose_.bind(this));
-
-  // Focusing needs to be handled after the menu is rendered and positioned.
-  // Otherwise it will cause a page scroll to get the misplaced menu in
-  // view. See issue #1329.
-  this.menu_.focus();
-
-  if (this.selectedMenuItem_) {
-    this.menu_.setHighlighted(this.selectedMenuItem_);
-  }
-
-  this.applyColour();
-};
-
-/**
- * Create the dropdown editor.
- * @return {!Blockly.Menu} The newly created dropdown menu.
- * @private
- */
-Blockly.FieldDropdown.prototype.dropdownCreate_ = function() {
-  var menu = new Blockly.Menu();
-  menu.setRole(Blockly.utils.aria.Role.LISTBOX);
-
-  var options = this.getOptions(false);
-  this.selectedMenuItem_ = null;
-  for (var i = 0; i < options.length; i++) {
-    var content = options[i][0]; // Human-readable text or image.
-    var value = options[i][1];   // Language-neutral value.
-    if (typeof content == 'object') {
-      // An image, not text.
-      var image = new Image(content['width'], content['height']);
-      image.src = content['src'];
-      image.alt = content['alt'] || '';
-      content = image;
-    }
-    var menuItem = new Blockly.MenuItem(content, value);
-    menuItem.setRole(Blockly.utils.aria.Role.OPTION);
-    menuItem.setRightToLeft(this.sourceBlock_.RTL);
-    menuItem.setCheckable(true);
-    menu.addChild(menuItem);
-    menuItem.setChecked(value == this.value_);
-    if (value == this.value_) {
-      this.selectedMenuItem_ = menuItem;
-    }
-    menuItem.onAction(this.handleMenuActionEvent_, this);
-  }
-
-  return menu;
-};
-
-/**
- * Disposes of events and dom-references belonging to the dropdown editor.
- * @private
- */
-Blockly.FieldDropdown.prototype.dropdownDispose_ = function() {
-  if (this.menu_) {
-    this.menu_.dispose();
-  }
-  this.menu_ = null;
-  this.selectedMenuItem_ = null;
-  this.applyColour();
-};
-
-/**
- * Handle an action in the dropdown menu.
- * @param {!Blockly.MenuItem} menuItem The MenuItem selected within menu.
- * @private
- */
-Blockly.FieldDropdown.prototype.handleMenuActionEvent_ = function(menuItem) {
-  Blockly.DropDownDiv.hideIfOwner(this, true);
-  this.onItemSelected_(/** @type {!Blockly.Menu} */ (this.menu_), menuItem);
-};
-
-/**
- * Handle the selection of an item in the dropdown menu.
- * @param {!Blockly.Menu} menu The Menu component clicked.
- * @param {!Blockly.MenuItem} menuItem The MenuItem selected within menu.
- * @protected
- */
-Blockly.FieldDropdown.prototype.onItemSelected_ = function(menu, menuItem) {
-  this.setValue(menuItem.getValue());
-};
-
-/**
- * Factor out common words in statically defined options.
- * Create prefix and/or suffix labels.
- * @private
- */
-Blockly.FieldDropdown.prototype.trimOptions_ = function() {
-  var options = this.menuGenerator_;
-  if (!Array.isArray(options)) {
-    return;
-  }
-  var hasImages = false;
-
-  // Localize label text and image alt text.
-  for (var i = 0; i < options.length; i++) {
-    var label = options[i][0];
-    if (typeof label == 'string') {
-      options[i][0] = Blockly.utils.replaceMessageReferences(label);
-    } else {
-      if (label.alt != null) {
-        options[i][0].alt = Blockly.utils.replaceMessageReferences(label.alt);
-      }
-      hasImages = true;
-    }
-  }
-  if (hasImages || options.length < 2) {
-    return;  // Do nothing if too few items or at least one label is an image.
-  }
-  var strings = [];
-  for (var i = 0; i < options.length; i++) {
-    strings.push(options[i][0]);
-  }
-  var shortest = Blockly.utils.string.shortestStringLength(strings);
-  var prefixLength = Blockly.utils.string.commonWordPrefix(strings, shortest);
-  var suffixLength = Blockly.utils.string.commonWordSuffix(strings, shortest);
-  if (!prefixLength && !suffixLength) {
-    return;
-  }
-  if (shortest <= prefixLength + suffixLength) {
-    // One or more strings will entirely vanish if we proceed.  Abort.
-    return;
-  }
-  if (prefixLength) {
-    this.prefixField = strings[0].substring(0, prefixLength - 1);
-  }
-  if (suffixLength) {
-    this.suffixField = strings[0].substr(1 - suffixLength);
-  }
-
-  this.menuGenerator_ = Blockly.FieldDropdown.applyTrim_(options, prefixLength,
-      suffixLength);
-};
-
-/**
- * Use the calculated prefix and suffix lengths to trim all of the options in
- * the given array.
- * @param {!Array.<!Array>} options Array of option tuples:
- *     (human-readable text or image, language-neutral name).
- * @param {number} prefixLength The length of the common prefix.
- * @param {number} suffixLength The length of the common suffix
- * @return {!Array.<!Array>} A new array with all of the option text trimmed.
- */
-Blockly.FieldDropdown.applyTrim_ = function(options,
-    prefixLength, suffixLength) {
-  var newOptions = [];
-  // Remove the prefix and suffix from the options.
-  for (var i = 0; i < options.length; i++) {
-    var text = options[i][0];
-    var value = options[i][1];
-    text = text.substring(prefixLength, text.length - suffixLength);
-    newOptions[i] = [text, value];
-  }
-  return newOptions;
-};
-
-/**
- * @return {boolean} True if the option list is generated by a function.
- *     Otherwise false.
- */
-Blockly.FieldDropdown.prototype.isOptionListDynamic = function() {
-  return typeof this.menuGenerator_ == 'function';
-};
-
-/**
- * Return a list of the options for this dropdown.
- * @param {boolean=} opt_useCache For dynamic options, whether or not to use the
- *     cached options or to re-generate them.
- * @return {!Array.<!Array>} A non-empty array of option tuples:
- *     (human-readable text or image, language-neutral name).
- * @throws {TypeError} If generated options are incorrectly structured.
- */
-Blockly.FieldDropdown.prototype.getOptions = function(opt_useCache) {
-  if (this.isOptionListDynamic()) {
-    if (!this.generatedOptions_ || !opt_useCache) {
-      this.generatedOptions_ = this.menuGenerator_.call(this);
-      Blockly.FieldDropdown.validateOptions_(this.generatedOptions_);
-    }
-    return this.generatedOptions_;
-  }
-  return /** @type {!Array.<!Array.<string>>} */ (this.menuGenerator_);
-};
-
-/**
- * Ensure that the input value is a valid language-neutral option.
- * @param {*=} opt_newValue The input value.
- * @return {?string} A valid language-neutral option, or null if invalid.
- * @protected
- */
-Blockly.FieldDropdown.prototype.doClassValidation_ = function(opt_newValue) {
-  var isValueValid = false;
-  var options = this.getOptions(true);
-  for (var i = 0, option; (option = options[i]); i++) {
-    // Options are tuples of human-readable text and language-neutral values.
-    if (option[1] == opt_newValue) {
-      isValueValid = true;
-      break;
-    }
-  }
-  if (!isValueValid) {
-    if (this.sourceBlock_) {
-      console.warn('Cannot set the dropdown\'s value to an unavailable option.' +
-        ' Block type: ' + this.sourceBlock_.type + ', Field name: ' + this.name +
-        ', Value: ' + opt_newValue);
-    }
-    return null;
-  }
-  return /** @type {string} */ (opt_newValue);
-};
-
-/**
- * Update the value of this dropdown field.
- * @param {*} newValue The value to be saved. The default validator guarantees
- * that this is one of the valid dropdown options.
- * @protected
- */
-Blockly.FieldDropdown.prototype.doValueUpdate_ = function(newValue) {
-  Blockly.FieldDropdown.superClass_.doValueUpdate_.call(this, newValue);
-  var options = this.getOptions(true);
-  for (var i = 0, option; (option = options[i]); i++) {
-    if (option[1] == this.value_) {
-      this.selectedOption_ = option;
-    }
-  }
-};
-
-/**
- * Updates the dropdown arrow to match the colour/style of the block.
- * @package
- */
-Blockly.FieldDropdown.prototype.applyColour = function() {
-  if (this.borderRect_) {
-    this.borderRect_.setAttribute('stroke',
-        this.sourceBlock_.style.colourTertiary);
-    if (this.menu_) {
-      this.borderRect_.setAttribute('fill',
-          this.sourceBlock_.style.colourTertiary);
-    } else {
-      this.borderRect_.setAttribute('fill', 'transparent');
-    }
-  }
-  // Update arrow's colour.
-  if (this.sourceBlock_ && this.arrow_) {
-    if (this.sourceBlock_.isShadow()) {
-      this.arrow_.style.fill = this.sourceBlock_.style.colourSecondary;
-    } else {
-      this.arrow_.style.fill = this.sourceBlock_.style.colourPrimary;
-    }
-  }
-};
-
-/**
- * Draws the border with the correct width.
- * @protected
- */
-Blockly.FieldDropdown.prototype.render_ = function() {
-  // Hide both elements.
-  this.textContent_.nodeValue = '';
-  this.imageElement_.style.display = 'none';
-
-  // Show correct element.
-  var option = this.selectedOption_ && this.selectedOption_[0];
-  if (option && typeof option == 'object') {
-    this.renderSelectedImage_(
-        /** @type {!Blockly.FieldDropdown.ImageProperties} */ (option));
-  } else {
-    this.renderSelectedText_();
-  }
-
-  this.positionBorderRect_();
-};
-
-/**
- * Renders the selected option, which must be an image.
- * @param {!Blockly.FieldDropdown.ImageProperties} imageJson Selected
- *   option that must be an image.
- * @private
- */
-Blockly.FieldDropdown.prototype.renderSelectedImage_ = function(imageJson) {
-  this.imageElement_.style.display = '';
-  this.imageElement_.setAttributeNS(
-      Blockly.utils.dom.XLINK_NS, 'xlink:href', imageJson.src);
-  this.imageElement_.setAttribute('height', imageJson.height);
-  this.imageElement_.setAttribute('width', imageJson.width);
-
-  var imageHeight = Number(imageJson.height);
-  var imageWidth = Number(imageJson.width);
-
-  // Height and width include the border rect.
-  var hasBorder = !!this.borderRect_;
-  var height = Math.max(
-      hasBorder ? this.getConstants().FIELD_DROPDOWN_BORDER_RECT_HEIGHT : 0,
-      imageHeight + Blockly.FieldDropdown.IMAGE_Y_PADDING);
-  var xPadding = hasBorder ? this.getConstants().FIELD_BORDER_RECT_X_PADDING : 0;
-  var arrowWidth = 0;
-  if (this.svgArrow_) {
-    arrowWidth = this.positionSVGArrow_(imageWidth + xPadding, height / 2 -
-      this.getConstants().FIELD_DROPDOWN_SVG_ARROW_SIZE / 2);
-  } else {
-    arrowWidth = Blockly.utils.dom.getFastTextWidth(
-        /** @type {!SVGTSpanElement} */ (this.arrow_),
-        this.getConstants().FIELD_TEXT_FONTSIZE,
-        this.getConstants().FIELD_TEXT_FONTWEIGHT,
-        this.getConstants().FIELD_TEXT_FONTFAMILY);
-  }
-  this.size_.width = imageWidth + arrowWidth + xPadding * 2;
-  this.size_.height = height;
-
-  var arrowX = 0;
-  if (this.sourceBlock_.RTL) {
-    var imageX = xPadding + arrowWidth;
-    this.imageElement_.setAttribute('x', imageX);
-  } else {
-    arrowX = imageWidth + arrowWidth;
-    this.textElement_.setAttribute('text-anchor', 'end');
-    this.imageElement_.setAttribute('x', xPadding);
-  }
-  this.imageElement_.setAttribute('y', height / 2 - imageHeight / 2);
-
-  this.positionTextElement_(arrowX + xPadding, imageWidth + arrowWidth);
-};
-
-/**
- * Renders the selected option, which must be text.
- * @private
- */
-Blockly.FieldDropdown.prototype.renderSelectedText_ = function() {
-  // Retrieves the selected option to display through getText_.
-  this.textContent_.nodeValue = this.getDisplayText_();
-  Blockly.utils.dom.addClass(/** @type {!Element} */ (this.textElement_),
-      'blocklyDropdownText');
-  this.textElement_.setAttribute('text-anchor', 'start');
-
-  // Height and width include the border rect.
-  var hasBorder = !!this.borderRect_;
-  var height = Math.max(
-      hasBorder ? this.getConstants().FIELD_DROPDOWN_BORDER_RECT_HEIGHT : 0,
-      this.getConstants().FIELD_TEXT_HEIGHT);
-  var textWidth = Blockly.utils.dom.getFastTextWidth(this.textElement_,
-      this.getConstants().FIELD_TEXT_FONTSIZE,
-      this.getConstants().FIELD_TEXT_FONTWEIGHT,
-      this.getConstants().FIELD_TEXT_FONTFAMILY);
-  var xPadding = hasBorder ? this.getConstants().FIELD_BORDER_RECT_X_PADDING : 0;
-  var arrowWidth = 0;
-  if (this.svgArrow_) {
-    arrowWidth = this.positionSVGArrow_(textWidth + xPadding, height / 2 -
-        this.getConstants().FIELD_DROPDOWN_SVG_ARROW_SIZE / 2);
-  }
-  this.size_.width = textWidth + arrowWidth + xPadding * 2;
-  this.size_.height = height;
-
-  this.positionTextElement_(xPadding, textWidth);
-};
-
-/**
- * Position a drop-down arrow at the appropriate location at render-time.
- * @param {number} x X position the arrow is being rendered at, in px.
- * @param {number} y Y position the arrow is being rendered at, in px.
- * @return {number} Amount of space the arrow is taking up, in px.
- * @private
- */
-Blockly.FieldDropdown.prototype.positionSVGArrow_ = function(x, y) {
-  if (!this.svgArrow_) {
-    return 0;
-  }
-  var hasBorder = !!this.borderRect_;
-  var xPadding = hasBorder ? this.getConstants().FIELD_BORDER_RECT_X_PADDING : 0;
-  var textPadding = this.getConstants().FIELD_DROPDOWN_SVG_ARROW_PADDING;
-  var svgArrowSize = this.getConstants().FIELD_DROPDOWN_SVG_ARROW_SIZE;
-  var arrowX = this.sourceBlock_.RTL ? xPadding : x + textPadding;
-  this.svgArrow_.setAttribute('transform',
-      'translate(' + arrowX + ',' + y + ')');
-  return svgArrowSize + textPadding;
-};
-
-/**
- * Use the `getText_` developer hook to override the field's text
- * representation.  Get the selected option text. If the selected option is an
- * image we return the image alt text.
- * @return {?string} Selected option text.
- * @protected
- * @override
- */
-Blockly.FieldDropdown.prototype.getText_ = function() {
-  if (!this.selectedOption_) {
-    return null;
-  }
-  var option = this.selectedOption_[0];
-  if (typeof option == 'object') {
-    return option['alt'];
-  }
-  return option;
-};
-
-/**
- * Validates the data structure to be processed as an options list.
- * @param {?} options The proposed dropdown options.
- * @throws {TypeError} If proposed options are incorrectly structured.
- * @private
- */
-Blockly.FieldDropdown.validateOptions_ = function(options) {
-  if (!Array.isArray(options)) {
-    throw TypeError('FieldDropdown options must be an array.');
-  }
-  if (!options.length) {
-    throw TypeError('FieldDropdown options must not be an empty array.');
-  }
-  var foundError = false;
-  for (var i = 0; i < options.length; ++i) {
-    var tuple = options[i];
-    if (!Array.isArray(tuple)) {
-      foundError = true;
-      console.error(
-          'Invalid option[' + i + ']: Each FieldDropdown option must be an ' +
-          'array. Found: ', tuple);
-    } else if (typeof tuple[1] != 'string') {
-      foundError = true;
-      console.error(
-          'Invalid option[' + i + ']: Each FieldDropdown option id must be ' +
-          'a string. Found ' + tuple[1] + ' in: ', tuple);
-    } else if (tuple[0] &&
-              (typeof tuple[0] != 'string') &&
-              (typeof tuple[0].src != 'string')) {
-      foundError = true;
-      console.error(
-          'Invalid option[' + i + ']: Each FieldDropdown option must have a ' +
-          'string label or image description. Found' + tuple[0] + ' in: ',
-          tuple);
-    }
-  }
-  if (foundError) {
-    throw TypeError('Found invalid FieldDropdown options.');
-  }
-};
-
-/**
- * Handles the given action.
- * This is only triggered when keyboard accessibility mode is enabled.
- * @param {!Blockly.Action} action The action to be handled.
- * @return {boolean} True if the field handled the action, false otherwise.
- * @package
- */
-Blockly.FieldDropdown.prototype.onBlocklyAction = function(action) {
-  if (this.menu_) {
-    if (action === Blockly.navigation.ACTION_PREVIOUS) {
-      this.menu_.highlightPrevious();
-      return true;
-    } else if (action === Blockly.navigation.ACTION_NEXT) {
-      this.menu_.highlightNext();
-      return true;
-    }
-  }
-  return Blockly.FieldDropdown.superClass_.onBlocklyAction.call(this, action);
-};
-
-
-Blockly.fieldRegistry.register('field_dropdown', Blockly.FieldDropdown);
diff --git a/core/field_dropdown.ts b/core/field_dropdown.ts
new file mode 100644
index 00000000000..58a4b073218
--- /dev/null
+++ b/core/field_dropdown.ts
@@ -0,0 +1,867 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Dropdown input field.  Used for editable titles and variables.
+ * In the interests of a consistent UI, the toolbox shares some functions and
+ * properties with the context menu.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.FieldDropdown
+
+import type {BlockSvg} from './block_svg.js';
+import * as dropDownDiv from './dropdowndiv.js';
+import {
+  Field,
+  FieldConfig,
+  FieldValidator,
+  UnattachedFieldError,
+} from './field.js';
+import * as fieldRegistry from './field_registry.js';
+import {Menu} from './menu.js';
+import {MenuItem} from './menuitem.js';
+import * as style from './utils/style.js';
+import * as aria from './utils/aria.js';
+import {Coordinate} from './utils/coordinate.js';
+import * as dom from './utils/dom.js';
+import * as parsing from './utils/parsing.js';
+import * as utilsString from './utils/string.js';
+import {Svg} from './utils/svg.js';
+
+/**
+ * Class for an editable dropdown field.
+ */
+export class FieldDropdown extends Field<string> {
+  /** Horizontal distance that a checkmark overhangs the dropdown. */
+  static CHECKMARK_OVERHANG = 25;
+
+  /**
+   * Maximum height of the dropdown menu, as a percentage of the viewport
+   * height.
+   */
+  static MAX_MENU_HEIGHT_VH = 0.45;
+
+  static ARROW_CHAR = '▾';
+
+  /** A reference to the currently selected menu item. */
+  private selectedMenuItem: MenuItem | null = null;
+
+  /** The dropdown menu. */
+  protected menu_: Menu | null = null;
+
+  /**
+   * SVG image element if currently selected option is an image, or null.
+   */
+  private imageElement: SVGImageElement | null = null;
+
+  /** Tspan based arrow element. */
+  private arrow: SVGTSpanElement | null = null;
+
+  /** SVG based arrow element. */
+  private svgArrow: SVGElement | null = null;
+
+  /**
+   * Serializable fields are saved by the serializer, non-serializable fields
+   * are not. Editable fields should also be serializable.
+   */
+  override SERIALIZABLE = true;
+
+  /** Mouse cursor style when over the hotspot that initiates the editor. */
+  override CURSOR = 'default';
+
+  protected menuGenerator_?: MenuGenerator;
+
+  /** A cache of the most recently generated options. */
+  private generatedOptions: MenuOption[] | null = null;
+
+  /**
+   * The prefix field label, of common words set after options are trimmed.
+   *
+   * @internal
+   */
+  override prefixField: string | null = null;
+
+  /**
+   * The suffix field label, of common words set after options are trimmed.
+   *
+   * @internal
+   */
+  override suffixField: string | null = null;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  private selectedOption!: MenuOption;
+  override clickTarget_: SVGElement | null = null;
+
+  /**
+   * @param menuGenerator A non-empty array of options for a dropdown list, or a
+   *     function which generates these options. Also accepts Field.SKIP_SETUP
+   *     if you wish to skip setup (only used by subclasses that want to handle
+   *     configuration and setting the field value after their own constructors
+   *     have run).
+   * @param validator A function that is called to validate changes to the
+   *     field's value. Takes in a language-neutral dropdown option & returns a
+   *     validated language-neutral dropdown option, or null to abort the
+   *     change.
+   * @param config A map of options used to configure the field.
+   *     See the [field creation documentation]{@link
+   * https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/dropdown#creation}
+   * for a list of properties this parameter supports.
+   * @throws {TypeError} If `menuGenerator` options are incorrectly structured.
+   */
+  constructor(
+    menuGenerator: MenuGenerator,
+    validator?: FieldDropdownValidator,
+    config?: FieldDropdownConfig,
+  );
+  constructor(menuGenerator: typeof Field.SKIP_SETUP);
+  constructor(
+    menuGenerator: MenuGenerator | typeof Field.SKIP_SETUP,
+    validator?: FieldDropdownValidator,
+    config?: FieldDropdownConfig,
+  ) {
+    super(Field.SKIP_SETUP);
+
+    // If we pass SKIP_SETUP, don't do *anything* with the menu generator.
+    if (menuGenerator === Field.SKIP_SETUP) return;
+
+    if (Array.isArray(menuGenerator)) {
+      validateOptions(menuGenerator);
+      const trimmed = trimOptions(menuGenerator);
+      this.menuGenerator_ = trimmed.options;
+      this.prefixField = trimmed.prefix || null;
+      this.suffixField = trimmed.suffix || null;
+    } else {
+      this.menuGenerator_ = menuGenerator;
+    }
+
+    /**
+     * The currently selected option. The field is initialized with the
+     * first option selected.
+     */
+    this.selectedOption = this.getOptions(false)[0];
+
+    if (config) {
+      this.configure_(config);
+    }
+    this.setValue(this.selectedOption[1]);
+    if (validator) {
+      this.setValidator(validator);
+    }
+  }
+
+  /**
+   * Sets the field's value based on the given XML element. Should only be
+   * called by Blockly.Xml.
+   *
+   * @param fieldElement The element containing info about the field's state.
+   * @internal
+   */
+  override fromXml(fieldElement: Element) {
+    if (this.isOptionListDynamic()) {
+      this.getOptions(false);
+    }
+    this.setValue(fieldElement.textContent);
+  }
+
+  /**
+   * Sets the field's value based on the given state.
+   *
+   * @param state The state to apply to the dropdown field.
+   * @internal
+   */
+  override loadState(state: AnyDuringMigration) {
+    if (this.loadLegacyState(FieldDropdown, state)) {
+      return;
+    }
+    if (this.isOptionListDynamic()) {
+      this.getOptions(false);
+    }
+    this.setValue(state);
+  }
+
+  /**
+   * Create the block UI for this dropdown.
+   */
+  override initView() {
+    if (this.shouldAddBorderRect_()) {
+      this.createBorderRect_();
+    } else {
+      this.clickTarget_ = (this.sourceBlock_ as BlockSvg).getSvgRoot();
+    }
+    this.createTextElement_();
+
+    this.imageElement = dom.createSvgElement(Svg.IMAGE, {}, this.fieldGroup_);
+
+    if (this.getConstants()!.FIELD_DROPDOWN_SVG_ARROW) {
+      this.createSVGArrow_();
+    } else {
+      this.createTextArrow_();
+    }
+
+    if (this.borderRect_) {
+      dom.addClass(this.borderRect_, 'blocklyDropdownRect');
+    }
+  }
+
+  /**
+   * Whether or not the dropdown should add a border rect.
+   *
+   * @returns True if the dropdown field should add a border rect.
+   */
+  protected shouldAddBorderRect_(): boolean {
+    return (
+      !this.getConstants()!.FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW ||
+      (this.getConstants()!.FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW &&
+        !this.getSourceBlock()?.isShadow())
+    );
+  }
+
+  /** Create a tspan based arrow. */
+  protected createTextArrow_() {
+    this.arrow = dom.createSvgElement(Svg.TSPAN, {}, this.textElement_);
+    this.arrow!.appendChild(
+      document.createTextNode(
+        this.getSourceBlock()?.RTL
+          ? FieldDropdown.ARROW_CHAR + ' '
+          : ' ' + FieldDropdown.ARROW_CHAR,
+      ),
+    );
+    if (this.getConstants()!.FIELD_TEXT_BASELINE_CENTER) {
+      this.arrow.setAttribute('dominant-baseline', 'central');
+    }
+    if (this.getSourceBlock()?.RTL) {
+      this.getTextElement().insertBefore(this.arrow, this.textContent_);
+    } else {
+      this.getTextElement().appendChild(this.arrow);
+    }
+  }
+
+  /** Create an SVG based arrow. */
+  protected createSVGArrow_() {
+    this.svgArrow = dom.createSvgElement(
+      Svg.IMAGE,
+      {
+        'height': this.getConstants()!.FIELD_DROPDOWN_SVG_ARROW_SIZE + 'px',
+        'width': this.getConstants()!.FIELD_DROPDOWN_SVG_ARROW_SIZE + 'px',
+      },
+      this.fieldGroup_,
+    );
+    this.svgArrow!.setAttributeNS(
+      dom.XLINK_NS,
+      'xlink:href',
+      this.getConstants()!.FIELD_DROPDOWN_SVG_ARROW_DATAURI,
+    );
+  }
+
+  /**
+   * Create a dropdown menu under the text.
+   *
+   * @param e Optional mouse event that triggered the field to open, or
+   *     undefined if triggered programmatically.
+   */
+  protected override showEditor_(e?: MouseEvent) {
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+    this.dropdownCreate();
+    if (e && typeof e.clientX === 'number') {
+      this.menu_!.openingCoords = new Coordinate(e.clientX, e.clientY);
+    } else {
+      this.menu_!.openingCoords = null;
+    }
+
+    // Remove any pre-existing elements in the dropdown.
+    dropDownDiv.clearContent();
+    // Element gets created in render.
+    const menuElement = this.menu_!.render(dropDownDiv.getContentDiv());
+    dom.addClass(menuElement, 'blocklyDropdownMenu');
+
+    if (this.getConstants()!.FIELD_DROPDOWN_COLOURED_DIV) {
+      const primaryColour = block.getColour();
+      const borderColour = (this.sourceBlock_ as BlockSvg).style.colourTertiary;
+      dropDownDiv.setColour(primaryColour, borderColour);
+    }
+
+    dropDownDiv.showPositionedByField(this, this.dropdownDispose_.bind(this));
+
+    // Focusing needs to be handled after the menu is rendered and positioned.
+    // Otherwise it will cause a page scroll to get the misplaced menu in
+    // view. See issue #1329.
+    this.menu_!.focus();
+
+    if (this.selectedMenuItem) {
+      this.menu_!.setHighlighted(this.selectedMenuItem);
+      style.scrollIntoContainerView(
+        this.selectedMenuItem.getElement()!,
+        dropDownDiv.getContentDiv(),
+        true,
+      );
+    }
+
+    this.applyColour();
+  }
+
+  /** Create the dropdown editor. */
+  private dropdownCreate() {
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+    const menu = new Menu();
+    menu.setRole(aria.Role.LISTBOX);
+    this.menu_ = menu;
+
+    const options = this.getOptions(false);
+    this.selectedMenuItem = null;
+    for (let i = 0; i < options.length; i++) {
+      const [label, value] = options[i];
+      const content = (() => {
+        if (typeof label === 'object') {
+          // Convert ImageProperties to an HTMLImageElement.
+          const image = new Image(label['width'], label['height']);
+          image.src = label['src'];
+          image.alt = label['alt'] || '';
+          return image;
+        }
+        return label;
+      })();
+      const menuItem = new MenuItem(content, value);
+      menuItem.setRole(aria.Role.OPTION);
+      menuItem.setRightToLeft(block.RTL);
+      menuItem.setCheckable(true);
+      menu.addChild(menuItem);
+      menuItem.setChecked(value === this.value_);
+      if (value === this.value_) {
+        this.selectedMenuItem = menuItem;
+      }
+      menuItem.onAction(this.handleMenuActionEvent, this);
+    }
+  }
+
+  /**
+   * Disposes of events and DOM-references belonging to the dropdown editor.
+   */
+  protected dropdownDispose_() {
+    if (this.menu_) {
+      this.menu_.dispose();
+    }
+    this.menu_ = null;
+    this.selectedMenuItem = null;
+    this.applyColour();
+  }
+
+  /**
+   * Handle an action in the dropdown menu.
+   *
+   * @param menuItem The MenuItem selected within menu.
+   */
+  private handleMenuActionEvent(menuItem: MenuItem) {
+    dropDownDiv.hideIfOwner(this, true);
+    this.onItemSelected_(this.menu_ as Menu, menuItem);
+  }
+
+  /**
+   * Handle the selection of an item in the dropdown menu.
+   *
+   * @param menu The Menu component clicked.
+   * @param menuItem The MenuItem selected within menu.
+   */
+  protected onItemSelected_(menu: Menu, menuItem: MenuItem) {
+    this.setValue(menuItem.getValue());
+  }
+
+  /**
+   * @returns True if the option list is generated by a function.
+   *     Otherwise false.
+   */
+  isOptionListDynamic(): boolean {
+    return typeof this.menuGenerator_ === 'function';
+  }
+
+  /**
+   * Return a list of the options for this dropdown.
+   *
+   * @param useCache For dynamic options, whether or not to use the cached
+   *     options or to re-generate them.
+   * @returns A non-empty array of option tuples:
+   *     (human-readable text or image, language-neutral name).
+   * @throws {TypeError} If generated options are incorrectly structured.
+   */
+  getOptions(useCache?: boolean): MenuOption[] {
+    if (!this.menuGenerator_) {
+      // A subclass improperly skipped setup without defining the menu
+      // generator.
+      throw TypeError('A menu generator was never defined.');
+    }
+    if (Array.isArray(this.menuGenerator_)) return this.menuGenerator_;
+    if (useCache && this.generatedOptions) return this.generatedOptions;
+
+    this.generatedOptions = this.menuGenerator_();
+    validateOptions(this.generatedOptions);
+    return this.generatedOptions;
+  }
+
+  /**
+   * Ensure that the input value is a valid language-neutral option.
+   *
+   * @param newValue The input value.
+   * @returns A valid language-neutral option, or null if invalid.
+   */
+  protected override doClassValidation_(
+    newValue: string,
+  ): string | null | undefined;
+  protected override doClassValidation_(newValue?: string): string | null;
+  protected override doClassValidation_(
+    newValue?: string,
+  ): string | null | undefined {
+    const options = this.getOptions(true);
+    const isValueValid = options.some((option) => option[1] === newValue);
+
+    if (!isValueValid) {
+      if (this.sourceBlock_) {
+        console.warn(
+          "Cannot set the dropdown's value to an unavailable option." +
+            ' Block type: ' +
+            this.sourceBlock_.type +
+            ', Field name: ' +
+            this.name +
+            ', Value: ' +
+            newValue,
+        );
+      }
+      return null;
+    }
+    return newValue;
+  }
+
+  /**
+   * Update the value of this dropdown field.
+   *
+   * @param newValue The value to be saved. The default validator guarantees
+   *     that this is one of the valid dropdown options.
+   */
+  protected override doValueUpdate_(newValue: string) {
+    super.doValueUpdate_(newValue);
+    const options = this.getOptions(true);
+    for (let i = 0, option; (option = options[i]); i++) {
+      if (option[1] === this.value_) {
+        this.selectedOption = option;
+      }
+    }
+  }
+
+  /**
+   * Updates the dropdown arrow to match the colour/style of the block.
+   */
+  override applyColour() {
+    const style = (this.sourceBlock_ as BlockSvg).style;
+    if (this.borderRect_) {
+      this.borderRect_.setAttribute('stroke', style.colourTertiary);
+      if (this.menu_) {
+        this.borderRect_.setAttribute('fill', style.colourTertiary);
+      } else {
+        this.borderRect_.setAttribute('fill', 'transparent');
+      }
+    }
+    // Update arrow's colour.
+    if (this.sourceBlock_ && this.arrow) {
+      if (this.sourceBlock_.isShadow()) {
+        this.arrow.style.fill = style.colourSecondary;
+      } else {
+        this.arrow.style.fill = style.colourPrimary;
+      }
+    }
+  }
+
+  /** Draws the border with the correct width. */
+  protected override render_() {
+    // Hide both elements.
+    this.getTextContent().nodeValue = '';
+    this.imageElement!.style.display = 'none';
+
+    // Show correct element.
+    const option = this.selectedOption && this.selectedOption[0];
+    if (option && typeof option === 'object') {
+      this.renderSelectedImage(option);
+    } else {
+      this.renderSelectedText();
+    }
+
+    this.positionBorderRect_();
+  }
+
+  /**
+   * Renders the selected option, which must be an image.
+   *
+   * @param imageJson Selected option that must be an image.
+   */
+  private renderSelectedImage(imageJson: ImageProperties) {
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+    this.imageElement!.style.display = '';
+    this.imageElement!.setAttributeNS(
+      dom.XLINK_NS,
+      'xlink:href',
+      imageJson.src,
+    );
+    this.imageElement!.setAttribute('height', String(imageJson.height));
+    this.imageElement!.setAttribute('width', String(imageJson.width));
+
+    const imageHeight = Number(imageJson.height);
+    const imageWidth = Number(imageJson.width);
+
+    // Height and width include the border rect.
+    const hasBorder = !!this.borderRect_;
+    const height = Math.max(
+      hasBorder ? this.getConstants()!.FIELD_DROPDOWN_BORDER_RECT_HEIGHT : 0,
+      imageHeight + IMAGE_Y_PADDING,
+    );
+    const xPadding = hasBorder
+      ? this.getConstants()!.FIELD_BORDER_RECT_X_PADDING
+      : 0;
+    let arrowWidth = 0;
+    if (this.svgArrow) {
+      arrowWidth = this.positionSVGArrow(
+        imageWidth + xPadding,
+        height / 2 - this.getConstants()!.FIELD_DROPDOWN_SVG_ARROW_SIZE / 2,
+      );
+    } else {
+      arrowWidth = dom.getFastTextWidth(
+        this.arrow as SVGTSpanElement,
+        this.getConstants()!.FIELD_TEXT_FONTSIZE,
+        this.getConstants()!.FIELD_TEXT_FONTWEIGHT,
+        this.getConstants()!.FIELD_TEXT_FONTFAMILY,
+      );
+    }
+    this.size_.width = imageWidth + arrowWidth + xPadding * 2;
+    this.size_.height = height;
+
+    let arrowX = 0;
+    if (block.RTL) {
+      const imageX = xPadding + arrowWidth;
+      this.imageElement!.setAttribute('x', `${imageX}`);
+    } else {
+      arrowX = imageWidth + arrowWidth;
+      this.getTextElement().setAttribute('text-anchor', 'end');
+      this.imageElement!.setAttribute('x', `${xPadding}`);
+    }
+    this.imageElement!.setAttribute('y', String(height / 2 - imageHeight / 2));
+
+    this.positionTextElement_(arrowX + xPadding, imageWidth + arrowWidth);
+  }
+
+  /** Renders the selected option, which must be text. */
+  private renderSelectedText() {
+    // Retrieves the selected option to display through getText_.
+    this.getTextContent().nodeValue = this.getDisplayText_();
+    const textElement = this.getTextElement();
+    dom.addClass(textElement, 'blocklyDropdownText');
+    textElement.setAttribute('text-anchor', 'start');
+
+    // Height and width include the border rect.
+    const hasBorder = !!this.borderRect_;
+    const height = Math.max(
+      hasBorder ? this.getConstants()!.FIELD_DROPDOWN_BORDER_RECT_HEIGHT : 0,
+      this.getConstants()!.FIELD_TEXT_HEIGHT,
+    );
+    const textWidth = dom.getFastTextWidth(
+      this.getTextElement(),
+      this.getConstants()!.FIELD_TEXT_FONTSIZE,
+      this.getConstants()!.FIELD_TEXT_FONTWEIGHT,
+      this.getConstants()!.FIELD_TEXT_FONTFAMILY,
+    );
+    const xPadding = hasBorder
+      ? this.getConstants()!.FIELD_BORDER_RECT_X_PADDING
+      : 0;
+    let arrowWidth = 0;
+    if (this.svgArrow) {
+      arrowWidth = this.positionSVGArrow(
+        textWidth + xPadding,
+        height / 2 - this.getConstants()!.FIELD_DROPDOWN_SVG_ARROW_SIZE / 2,
+      );
+    }
+    this.size_.width = textWidth + arrowWidth + xPadding * 2;
+    this.size_.height = height;
+
+    this.positionTextElement_(xPadding, textWidth);
+  }
+
+  /**
+   * Position a drop-down arrow at the appropriate location at render-time.
+   *
+   * @param x X position the arrow is being rendered at, in px.
+   * @param y Y position the arrow is being rendered at, in px.
+   * @returns Amount of space the arrow is taking up, in px.
+   */
+  private positionSVGArrow(x: number, y: number): number {
+    if (!this.svgArrow) {
+      return 0;
+    }
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+    const hasBorder = !!this.borderRect_;
+    const xPadding = hasBorder
+      ? this.getConstants()!.FIELD_BORDER_RECT_X_PADDING
+      : 0;
+    const textPadding = this.getConstants()!.FIELD_DROPDOWN_SVG_ARROW_PADDING;
+    const svgArrowSize = this.getConstants()!.FIELD_DROPDOWN_SVG_ARROW_SIZE;
+    const arrowX = block.RTL ? xPadding : x + textPadding;
+    this.svgArrow.setAttribute(
+      'transform',
+      'translate(' + arrowX + ',' + y + ')',
+    );
+    return svgArrowSize + textPadding;
+  }
+
+  /**
+   * Use the `getText_` developer hook to override the field's text
+   * representation.  Get the selected option text.  If the selected option is
+   * an image we return the image alt text.
+   *
+   * @returns Selected option text.
+   */
+  protected override getText_(): string | null {
+    if (!this.selectedOption) {
+      return null;
+    }
+    const option = this.selectedOption[0];
+    if (typeof option === 'object') {
+      return option['alt'];
+    }
+    return option;
+  }
+
+  /**
+   * Construct a FieldDropdown from a JSON arg object.
+   *
+   * @param options A JSON object with options (options).
+   * @returns The new field instance.
+   * @nocollapse
+   * @internal
+   */
+  static override fromJson(
+    options: FieldDropdownFromJsonConfig,
+  ): FieldDropdown {
+    if (!options.options) {
+      throw new Error(
+        'options are required for the dropdown field. The ' +
+          'options property must be assigned an array of ' +
+          '[humanReadableValue, languageNeutralValue] tuples.',
+      );
+    }
+    // `this` might be a subclass of FieldDropdown if that class doesn't
+    // override the static fromJson method.
+    return new this(options.options, undefined, options);
+  }
+}
+
+/**
+ * Definition of a human-readable image dropdown option.
+ */
+export interface ImageProperties {
+  src: string;
+  alt: string;
+  width: number;
+  height: number;
+}
+
+/**
+ * An individual option in the dropdown menu. The first element is the human-
+ * readable value (text or image), and the second element is the language-
+ * neutral value.
+ */
+export type MenuOption = [string | ImageProperties, string];
+
+/**
+ * A function that generates an array of menu options for FieldDropdown
+ * or its descendants.
+ */
+export type MenuGeneratorFunction = (this: FieldDropdown) => MenuOption[];
+
+/**
+ * Either an array of menu options or a function that generates an array of
+ * menu options for FieldDropdown or its descendants.
+ */
+export type MenuGenerator = MenuOption[] | MenuGeneratorFunction;
+
+/**
+ * Config options for the dropdown field.
+ */
+export type FieldDropdownConfig = FieldConfig;
+
+/**
+ * fromJson config for the dropdown field.
+ */
+export interface FieldDropdownFromJsonConfig extends FieldDropdownConfig {
+  options?: MenuOption[];
+}
+
+/**
+ * A function that is called to validate changes to the field's value before
+ * they are set.
+ *
+ * @see {@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/validators#return_values}
+ * @param newValue The value to be validated.
+ * @returns One of three instructions for setting the new value: `T`, `null`,
+ * or `undefined`.
+ *
+ * - `T` to set this function's returned value instead of `newValue`.
+ *
+ * - `null` to invoke `doValueInvalid_` and not set a value.
+ *
+ * - `undefined` to set `newValue` as is.
+ */
+export type FieldDropdownValidator = FieldValidator<string>;
+
+/**
+ * The y offset from the top of the field to the top of the image, if an image
+ * is selected.
+ */
+const IMAGE_Y_OFFSET = 5;
+
+/** The total vertical padding above and below an image. */
+const IMAGE_Y_PADDING: number = IMAGE_Y_OFFSET * 2;
+
+/**
+ * Factor out common words in statically defined options.
+ * Create prefix and/or suffix labels.
+ */
+function trimOptions(options: MenuOption[]): {
+  options: MenuOption[];
+  prefix?: string;
+  suffix?: string;
+} {
+  let hasImages = false;
+  const trimmedOptions = options.map(([label, value]): MenuOption => {
+    if (typeof label === 'string') {
+      return [parsing.replaceMessageReferences(label), value];
+    }
+
+    hasImages = true;
+    // Copy the image properties so they're not influenced by the original.
+    // NOTE: No need to deep copy since image properties are only 1 level deep.
+    const imageLabel =
+      label.alt !== null
+        ? {...label, alt: parsing.replaceMessageReferences(label.alt)}
+        : {...label};
+    return [imageLabel, value];
+  });
+
+  if (hasImages || options.length < 2) return {options: trimmedOptions};
+
+  const stringOptions = trimmedOptions as [string, string][];
+  const stringLabels = stringOptions.map(([label]) => label);
+
+  const shortest = utilsString.shortestStringLength(stringLabels);
+  const prefixLength = utilsString.commonWordPrefix(stringLabels, shortest);
+  const suffixLength = utilsString.commonWordSuffix(stringLabels, shortest);
+
+  if (
+    (!prefixLength && !suffixLength) ||
+    shortest <= prefixLength + suffixLength
+  ) {
+    // One or more strings will entirely vanish if we proceed.  Abort.
+    return {options: stringOptions};
+  }
+
+  const prefix = prefixLength
+    ? stringLabels[0].substring(0, prefixLength - 1)
+    : undefined;
+  const suffix = suffixLength
+    ? stringLabels[0].substr(1 - suffixLength)
+    : undefined;
+  return {
+    options: applyTrim(stringOptions, prefixLength, suffixLength),
+    prefix,
+    suffix,
+  };
+}
+
+/**
+ * Use the calculated prefix and suffix lengths to trim all of the options in
+ * the given array.
+ *
+ * @param options Array of option tuples:
+ *     (human-readable text or image, language-neutral name).
+ * @param prefixLength The length of the common prefix.
+ * @param suffixLength The length of the common suffix
+ * @returns A new array with all of the option text trimmed.
+ */
+function applyTrim(
+  options: [string, string][],
+  prefixLength: number,
+  suffixLength: number,
+): MenuOption[] {
+  return options.map(([text, value]) => [
+    text.substring(prefixLength, text.length - suffixLength),
+    value,
+  ]);
+}
+
+/**
+ * Validates the data structure to be processed as an options list.
+ *
+ * @param options The proposed dropdown options.
+ * @throws {TypeError} If proposed options are incorrectly structured.
+ */
+function validateOptions(options: MenuOption[]) {
+  if (!Array.isArray(options)) {
+    throw TypeError('FieldDropdown options must be an array.');
+  }
+  if (!options.length) {
+    throw TypeError('FieldDropdown options must not be an empty array.');
+  }
+  let foundError = false;
+  for (let i = 0; i < options.length; i++) {
+    const tuple = options[i];
+    if (!Array.isArray(tuple)) {
+      foundError = true;
+      console.error(
+        'Invalid option[' +
+          i +
+          ']: Each FieldDropdown option must be an ' +
+          'array. Found: ',
+        tuple,
+      );
+    } else if (typeof tuple[1] !== 'string') {
+      foundError = true;
+      console.error(
+        'Invalid option[' +
+          i +
+          ']: Each FieldDropdown option id must be ' +
+          'a string. Found ' +
+          tuple[1] +
+          ' in: ',
+        tuple,
+      );
+    } else if (
+      tuple[0] &&
+      typeof tuple[0] !== 'string' &&
+      typeof tuple[0].src !== 'string'
+    ) {
+      foundError = true;
+      console.error(
+        'Invalid option[' +
+          i +
+          ']: Each FieldDropdown option must have a ' +
+          'string label or image description. Found' +
+          tuple[0] +
+          ' in: ',
+        tuple,
+      );
+    }
+  }
+  if (foundError) {
+    throw TypeError('Found invalid FieldDropdown options.');
+  }
+}
+
+fieldRegistry.register('field_dropdown', FieldDropdown);
diff --git a/core/field_image.js b/core/field_image.js
deleted file mode 100644
index 60400de98db..00000000000
--- a/core/field_image.js
+++ /dev/null
@@ -1,286 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Image field.  Used for pictures, icons, etc.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.FieldImage');
-
-goog.require('Blockly.Field');
-goog.require('Blockly.fieldRegistry');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Size');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * Class for an image on a block.
- * @param {string} src The URL of the image.
- * @param {!(string|number)} width Width of the image.
- * @param {!(string|number)} height Height of the image.
- * @param {string=} opt_alt Optional alt text for when block is collapsed.
- * @param {function(!Blockly.FieldImage)=} opt_onClick Optional function to be
- *     called when the image is clicked. If opt_onClick is defined, opt_alt must
- *     also be defined.
- * @param {boolean=} opt_flipRtl Whether to flip the icon in RTL.
- * @param {Object=} opt_config A map of options used to configure the field.
- *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/image#creation}
- *    for a list of properties this parameter supports.
- * @extends {Blockly.Field}
- * @constructor
- */
-Blockly.FieldImage = function(src, width, height,
-    opt_alt, opt_onClick, opt_flipRtl, opt_config) {
-  // Return early.
-  if (!src) {
-    throw Error('Src value of an image field is required');
-  }
-  src = Blockly.utils.replaceMessageReferences(src);
-  var imageHeight = Number(Blockly.utils.replaceMessageReferences(height));
-  var imageWidth = Number(Blockly.utils.replaceMessageReferences(width));
-  if (isNaN(imageHeight) || isNaN(imageWidth)) {
-    throw Error('Height and width values of an image field must cast to' +
-      ' numbers.');
-  }
-  if (imageHeight <= 0 || imageWidth <= 0) {
-    throw Error('Height and width values of an image field must be greater' +
-      ' than 0.');
-  }
-
-  // Initialize configurable properties.
-  /**
-   * Whether to flip this image in RTL.
-   * @type {boolean}
-   * @private
-   */
-  this.flipRtl_ = false;
-
-  /**
-   * Alt text of this image.
-   * @type {string}
-   * @private
-   */
-  this.altText_ = '';
-
-  Blockly.FieldImage.superClass_.constructor.call(
-      this, src, null, opt_config);
-
-  if (!opt_config) {  // If the config wasn't passed, do old configuration.
-    this.flipRtl_ = !!opt_flipRtl;
-    this.altText_ = Blockly.utils.replaceMessageReferences(opt_alt) || '';
-  }
-
-  // Initialize other properties.
-  /**
-   * The size of the area rendered by the field.
-   * @type {Blockly.utils.Size}
-   * @protected
-   * @override
-   */
-  this.size_ = new Blockly.utils.Size(imageWidth,
-      imageHeight + Blockly.FieldImage.Y_PADDING);
-
-  /**
-   * Store the image height, since it is different from the field height.
-   * @type {number}
-   * @private
-   */
-  this.imageHeight_ = imageHeight;
-
-  /**
-   * The function to be called when this field is clicked.
-   * @type {?function(!Blockly.FieldImage)}
-   * @private
-   */
-  this.clickHandler_ = null;
-
-  if (typeof opt_onClick == 'function') {
-    this.clickHandler_ = opt_onClick;
-  }
-
-  /**
-   * The rendered field's image element.
-   * @type {SVGImageElement}
-   * @private
-   */
-  this.imageElement_ = null;
-};
-Blockly.utils.object.inherits(Blockly.FieldImage, Blockly.Field);
-
-/**
- * The default value for this field.
- * @type {*}
- * @protected
- */
-Blockly.FieldImage.prototype.DEFAULT_VALUE = '';
-
-/**
- * Construct a FieldImage from a JSON arg object,
- * dereferencing any string table references.
- * @param {!Object} options A JSON object with options (src, width, height,
- *    alt, and flipRtl).
- * @return {!Blockly.FieldImage} The new field instance.
- * @package
- * @nocollapse
- */
-Blockly.FieldImage.fromJson = function(options) {
-  return new Blockly.FieldImage(
-      options['src'], options['width'], options['height'],
-      undefined, undefined, undefined, options);
-};
-
-/**
- * Vertical padding below the image, which is included in the reported height of
- * the field.
- * @type {number}
- * @private
- */
-Blockly.FieldImage.Y_PADDING = 1;
-
-/**
- * Editable fields usually show some sort of UI indicating they are
- * editable. This field should not.
- * @type {boolean}
- */
-Blockly.FieldImage.prototype.EDITABLE = false;
-
-/**
- * Used to tell if the field needs to be rendered the next time the block is
- * rendered. Image fields are statically sized, and only need to be
- * rendered at initialization.
- * @type {boolean}
- * @protected
- */
-Blockly.FieldImage.prototype.isDirty_ = false;
-
-/**
- * Configure the field based on the given map of options.
- * @param {!Object} config A map of options to configure the field based on.
- * @private
- */
-Blockly.FieldImage.prototype.configure_ = function(config) {
-  Blockly.FieldImage.superClass_.configure_.call(this, config);
-  this.flipRtl_ = !!config['flipRtl'];
-  this.altText_ = Blockly.utils.replaceMessageReferences(config['alt']) || '';
-};
-
-/**
- * Create the block UI for this image.
- * @package
- */
-Blockly.FieldImage.prototype.initView = function() {
-  this.imageElement_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.IMAGE,
-      {
-        'height': this.imageHeight_ + 'px',
-        'width': this.size_.width + 'px',
-        'alt': this.altText_
-      },
-      this.fieldGroup_);
-  this.imageElement_.setAttributeNS(Blockly.utils.dom.XLINK_NS,
-      'xlink:href', /** @type {string} */ (this.value_));
-
-  if (this.clickHandler_) {
-    this.imageElement_.style.cursor = 'pointer';
-  }
-};
-
-/**
- * @override
- */
-Blockly.FieldImage.prototype.updateSize_ = function() {
-  // NOP
-};
-
-/**
- * Ensure that the input value (the source URL) is a string.
- * @param {*=} opt_newValue The input value.
- * @return {?string} A string, or null if invalid.
- * @protected
- */
-Blockly.FieldImage.prototype.doClassValidation_ = function(opt_newValue) {
-  if (typeof opt_newValue != 'string') {
-    return null;
-  }
-  return opt_newValue;
-};
-
-/**
- * Update the value of this image field, and update the displayed image.
- * @param {*} newValue The value to be saved. The default validator guarantees
- * that this is a string.
- * @protected
- */
-Blockly.FieldImage.prototype.doValueUpdate_ = function(newValue) {
-  this.value_ = newValue;
-  if (this.imageElement_) {
-    this.imageElement_.setAttributeNS(Blockly.utils.dom.XLINK_NS,
-        'xlink:href', String(this.value_));
-  }
-};
-
-/**
- * Get whether to flip this image in RTL
- * @return {boolean} True if we should flip in RTL.
- * @override
- */
-Blockly.FieldImage.prototype.getFlipRtl = function() {
-  return this.flipRtl_;
-};
-
-/**
- * Set the alt text of this image.
- * @param {?string} alt New alt text.
- * @public
- */
-Blockly.FieldImage.prototype.setAlt = function(alt) {
-  if (alt == this.altText_) {
-    return;
-  }
-  this.altText_ = alt || '';
-  if (this.imageElement_) {
-    this.imageElement_.setAttribute('alt', this.altText_);
-  }
-};
-
-/**
- * If field click is called, and click handler defined,
- * call the handler.
- * @protected
- */
-Blockly.FieldImage.prototype.showEditor_ = function() {
-  if (this.clickHandler_) {
-    this.clickHandler_(this);
-  }
-};
-
-/**
- * Set the function that is called when this image  is clicked.
- * @param {?function(!Blockly.FieldImage)} func The function that is called
- *    when the image is clicked, or null to remove.
- */
-Blockly.FieldImage.prototype.setOnClickHandler = function(func) {
-  this.clickHandler_ = func;
-};
-
-/**
- * Use the `getText_` developer hook to override the field's text
- * representation.
- * Return the image alt text instead.
- * @return {?string} The image alt text.
- * @protected
- * @override
- */
-Blockly.FieldImage.prototype.getText_ = function() {
-  return this.altText_;
-};
-
-Blockly.fieldRegistry.register('field_image', Blockly.FieldImage);
diff --git a/core/field_image.ts b/core/field_image.ts
new file mode 100644
index 00000000000..6e83e3405c6
--- /dev/null
+++ b/core/field_image.ts
@@ -0,0 +1,293 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Image field.  Used for pictures, icons, etc.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.FieldImage
+
+import {Field, FieldConfig} from './field.js';
+import * as fieldRegistry from './field_registry.js';
+import * as dom from './utils/dom.js';
+import * as parsing from './utils/parsing.js';
+import {Size} from './utils/size.js';
+import {Svg} from './utils/svg.js';
+
+/**
+ * Class for an image on a block.
+ */
+export class FieldImage extends Field<string> {
+  /**
+   * Vertical padding below the image, which is included in the reported height
+   * of the field.
+   */
+  private static readonly Y_PADDING = 1;
+  protected override size_: Size;
+  protected readonly imageHeight: number;
+
+  /** The function to be called when this field is clicked. */
+  private clickHandler: ((p1: FieldImage) => void) | null = null;
+
+  /** The rendered field's image element. */
+  protected imageElement: SVGImageElement | null = null;
+
+  /**
+   * Editable fields usually show some sort of UI indicating they are
+   * editable. This field should not.
+   */
+  override readonly EDITABLE = false;
+
+  /**
+   * Used to tell if the field needs to be rendered the next time the block is
+   * rendered. Image fields are statically sized, and only need to be
+   * rendered at initialization.
+   */
+  protected override isDirty_ = false;
+
+  /** Whether to flip this image in RTL. */
+  private flipRtl = false;
+
+  /** Alt text of this image. */
+  private altText = '';
+
+  /**
+   * @param src The URL of the image.
+   *     Also accepts Field.SKIP_SETUP if you wish to skip setup (only used by
+   * subclasses that want to handle configuration and setting the field value
+   * after their own constructors have run).
+   * @param width Width of the image.
+   * @param height Height of the image.
+   * @param alt Optional alt text for when block is collapsed.
+   * @param onClick Optional function to be called when the image is
+   *     clicked. If onClick is defined, alt must also be defined.
+   * @param flipRtl Whether to flip the icon in RTL.
+   * @param config A map of options used to configure the field.
+   *     See the [field creation documentation]{@link
+   * https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/image#creation}
+   * for a list of properties this parameter supports.
+   */
+  constructor(
+    src: string | typeof Field.SKIP_SETUP,
+    width: string | number,
+    height: string | number,
+    alt?: string,
+    onClick?: (p1: FieldImage) => void,
+    flipRtl?: boolean,
+    config?: FieldImageConfig,
+  ) {
+    super(Field.SKIP_SETUP);
+
+    const imageHeight = Number(parsing.replaceMessageReferences(height));
+    const imageWidth = Number(parsing.replaceMessageReferences(width));
+    if (isNaN(imageHeight) || isNaN(imageWidth)) {
+      throw Error(
+        'Height and width values of an image field must cast to' + ' numbers.',
+      );
+    }
+    if (imageHeight <= 0 || imageWidth <= 0) {
+      throw Error(
+        'Height and width values of an image field must be greater' +
+          ' than 0.',
+      );
+    }
+
+    /** The size of the area rendered by the field. */
+    this.size_ = new Size(imageWidth, imageHeight + FieldImage.Y_PADDING);
+
+    /**
+     * Store the image height, since it is different from the field height.
+     */
+    this.imageHeight = imageHeight;
+
+    if (typeof onClick === 'function') {
+      this.clickHandler = onClick;
+    }
+
+    if (src === Field.SKIP_SETUP) return;
+
+    if (config) {
+      this.configure_(config);
+    } else {
+      this.flipRtl = !!flipRtl;
+      this.altText = parsing.replaceMessageReferences(alt) || '';
+    }
+    this.setValue(parsing.replaceMessageReferences(src));
+  }
+
+  /**
+   * Configure the field based on the given map of options.
+   *
+   * @param config A map of options to configure the field based on.
+   */
+  protected override configure_(config: FieldImageConfig) {
+    super.configure_(config);
+    if (config.flipRtl) this.flipRtl = config.flipRtl;
+    if (config.alt) {
+      this.altText = parsing.replaceMessageReferences(config.alt);
+    }
+  }
+
+  /**
+   * Create the block UI for this image.
+   */
+  override initView() {
+    this.imageElement = dom.createSvgElement(
+      Svg.IMAGE,
+      {
+        'height': this.imageHeight + 'px',
+        'width': this.size_.width + 'px',
+        'alt': this.altText,
+      },
+      this.fieldGroup_,
+    );
+    this.imageElement.setAttributeNS(
+      dom.XLINK_NS,
+      'xlink:href',
+      this.value_ as string,
+    );
+
+    if (this.clickHandler) {
+      this.imageElement.style.cursor = 'pointer';
+    }
+  }
+
+  override updateSize_() {}
+  // NOP
+
+  /**
+   * Ensure that the input value (the source URL) is a string.
+   *
+   * @param newValue The input value.
+   * @returns A string, or null if invalid.
+   */
+  protected override doClassValidation_(newValue?: any): string | null {
+    if (typeof newValue !== 'string') {
+      return null;
+    }
+    return newValue;
+  }
+
+  /**
+   * Update the value of this image field, and update the displayed image.
+   *
+   * @param newValue The value to be saved. The default validator guarantees
+   *     that this is a string.
+   */
+  protected override doValueUpdate_(newValue: string) {
+    this.value_ = newValue;
+    if (this.imageElement) {
+      this.imageElement.setAttributeNS(dom.XLINK_NS, 'xlink:href', this.value_);
+    }
+  }
+
+  /**
+   * Get whether to flip this image in RTL
+   *
+   * @returns True if we should flip in RTL.
+   */
+  override getFlipRtl(): boolean {
+    return this.flipRtl;
+  }
+
+  /**
+   * Set the alt text of this image.
+   *
+   * @param alt New alt text.
+   */
+  setAlt(alt: string | null) {
+    if (alt === this.altText) {
+      return;
+    }
+    this.altText = alt || '';
+    if (this.imageElement) {
+      this.imageElement.setAttribute('alt', this.altText);
+    }
+  }
+
+  /**
+   * If field click is called, and click handler defined,
+   * call the handler.
+   */
+  protected override showEditor_() {
+    if (this.clickHandler) {
+      this.clickHandler(this);
+    }
+  }
+
+  /**
+   * Set the function that is called when this image  is clicked.
+   *
+   * @param func The function that is called when the image is clicked, or null
+   *     to remove.
+   */
+  setOnClickHandler(func: ((p1: FieldImage) => void) | null) {
+    this.clickHandler = func;
+  }
+
+  /**
+   * Use the `getText_` developer hook to override the field's text
+   * representation.
+   * Return the image alt text instead.
+   *
+   * @returns The image alt text.
+   */
+  protected override getText_(): string | null {
+    return this.altText;
+  }
+
+  /**
+   * Construct a FieldImage from a JSON arg object,
+   * dereferencing any string table references.
+   *
+   * @param options A JSON object with options (src, width, height, alt, and
+   *     flipRtl).
+   * @returns The new field instance.
+   * @nocollapse
+   * @internal
+   */
+  static override fromJson(options: FieldImageFromJsonConfig): FieldImage {
+    if (!options.src || !options.width || !options.height) {
+      throw new Error(
+        'src, width, and height values for an image field are' +
+          'required. The width and height must be non-zero.',
+      );
+    }
+    // `this` might be a subclass of FieldImage if that class doesn't override
+    // the static fromJson method.
+    return new this(
+      options.src,
+      options.width,
+      options.height,
+      undefined,
+      undefined,
+      undefined,
+      options,
+    );
+  }
+}
+
+fieldRegistry.register('field_image', FieldImage);
+
+FieldImage.prototype.DEFAULT_VALUE = '';
+
+/**
+ * Config options for the image field.
+ */
+export interface FieldImageConfig extends FieldConfig {
+  flipRtl?: boolean;
+  alt?: string;
+}
+
+/**
+ * fromJson config options for the image field.
+ */
+export interface FieldImageFromJsonConfig extends FieldImageConfig {
+  src?: string;
+  width?: number;
+  height?: number;
+}
diff --git a/core/field_input.ts b/core/field_input.ts
new file mode 100644
index 00000000000..85431cc5b33
--- /dev/null
+++ b/core/field_input.ts
@@ -0,0 +1,755 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Text input field.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.FieldInput
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_block_change.js';
+
+import {BlockSvg} from './block_svg.js';
+import * as bumpObjects from './bump_objects.js';
+import * as browserEvents from './browser_events.js';
+import * as dialog from './dialog.js';
+import * as dom from './utils/dom.js';
+import * as dropDownDiv from './dropdowndiv.js';
+import * as eventUtils from './events/utils.js';
+import {
+  Field,
+  FieldConfig,
+  FieldValidator,
+  UnattachedFieldError,
+} from './field.js';
+import {Msg} from './msg.js';
+import * as aria from './utils/aria.js';
+import {Coordinate} from './utils/coordinate.js';
+import * as userAgent from './utils/useragent.js';
+import * as WidgetDiv from './widgetdiv.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+import {Size} from './utils/size.js';
+
+/**
+ * Supported types for FieldInput subclasses.
+ *
+ * @internal
+ */
+type InputTypes = string | number;
+
+/**
+ * Abstract class for an editable input field.
+ *
+ * @typeParam T - The value stored on the field.
+ * @internal
+ */
+export abstract class FieldInput<T extends InputTypes> extends Field<
+  string | T
+> {
+  /**
+   * Pixel size of input border radius.
+   * Should match blocklyText's border-radius in CSS.
+   */
+  static BORDERRADIUS = 4;
+
+  /** Allow browser to spellcheck this field. */
+  protected spellcheck_ = true;
+
+  /** The HTML input element. */
+  protected htmlInput_: HTMLInputElement | null = null;
+
+  /** True if the field's value is currently being edited via the UI. */
+  protected isBeingEdited_ = false;
+
+  /**
+   * True if the value currently displayed in the field's editory UI is valid.
+   */
+  protected isTextValid_ = false;
+
+  /**
+   * The intial value of the field when the user opened an editor to change its
+   * value. When the editor is disposed, an event will be fired that uses this
+   * as the event's oldValue.
+   */
+  protected valueWhenEditorWasOpened_: string | T | null = null;
+
+  /** Key down event data. */
+  private onKeyDownWrapper_: browserEvents.Data | null = null;
+
+  /** Key input event data. */
+  private onKeyInputWrapper_: browserEvents.Data | null = null;
+
+  /**
+   * Whether the field should consider the whole parent block to be its click
+   * target.
+   */
+  fullBlockClickTarget_: boolean = false;
+
+  /** The workspace that this field belongs to. */
+  protected workspace_: WorkspaceSvg | null = null;
+
+  /**
+   * Serializable fields are saved by the serializer, non-serializable fields
+   * are not. Editable fields should also be serializable.
+   */
+  override SERIALIZABLE = true;
+
+  /** Mouse cursor style when over the hotspot that initiates the editor. */
+  override CURSOR = 'text';
+
+  /**
+   * @param value The initial value of the field. Should cast to a string.
+   *     Defaults to an empty string if null or undefined. Also accepts
+   *     Field.SKIP_SETUP if you wish to skip setup (only used by subclasses
+   *     that want to handle configuration and setting the field value after
+   *     their own constructors have run).
+   * @param validator A function that is called to validate changes to the
+   *     field's value. Takes in a string & returns a validated string, or null
+   *     to abort the change.
+   * @param config A map of options used to configure the field.
+   *     See the [field creation documentation]{@link
+   * https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/text-input#creation}
+   * for a list of properties this parameter supports.
+   */
+  constructor(
+    value?: string | typeof Field.SKIP_SETUP,
+    validator?: FieldInputValidator<T> | null,
+    config?: FieldInputConfig,
+  ) {
+    super(Field.SKIP_SETUP);
+
+    if (value === Field.SKIP_SETUP) return;
+    if (config) {
+      this.configure_(config);
+    }
+    this.setValue(value);
+    if (validator) {
+      this.setValidator(validator);
+    }
+  }
+
+  protected override configure_(config: FieldInputConfig) {
+    super.configure_(config);
+    if (config.spellcheck !== undefined) {
+      this.spellcheck_ = config.spellcheck;
+    }
+  }
+
+  override initView() {
+    const block = this.getSourceBlock();
+    if (!block) throw new UnattachedFieldError();
+    super.initView();
+
+    if (this.isFullBlockField()) {
+      this.clickTarget_ = (this.sourceBlock_ as BlockSvg).getSvgRoot();
+    }
+  }
+
+  protected override isFullBlockField(): boolean {
+    const block = this.getSourceBlock();
+    if (!block) throw new UnattachedFieldError();
+
+    // Side effect for backwards compatibility.
+    this.fullBlockClickTarget_ =
+      !!this.getConstants()?.FULL_BLOCK_FIELDS && block.isSimpleReporter();
+    return this.fullBlockClickTarget_;
+  }
+
+  /**
+   * Called by setValue if the text input is not valid. If the field is
+   * currently being edited it reverts value of the field to the previous
+   * value while allowing the display text to be handled by the htmlInput_.
+   *
+   * @param _invalidValue The input value that was determined to be invalid.
+   *     This is not used by the text input because its display value is stored
+   *     on the htmlInput_.
+   * @param fireChangeEvent Whether to fire a change event if the value changes.
+   */
+  protected override doValueInvalid_(
+    _invalidValue: AnyDuringMigration,
+    fireChangeEvent: boolean = true,
+  ) {
+    if (this.isBeingEdited_) {
+      this.isDirty_ = true;
+      this.isTextValid_ = false;
+      const oldValue = this.value_;
+      // Revert value when the text becomes invalid.
+      this.value_ = this.valueWhenEditorWasOpened_;
+      if (
+        this.sourceBlock_ &&
+        eventUtils.isEnabled() &&
+        this.value_ !== oldValue &&
+        fireChangeEvent
+      ) {
+        eventUtils.fire(
+          new (eventUtils.get(eventUtils.BLOCK_CHANGE))(
+            this.sourceBlock_,
+            'field',
+            this.name || null,
+            oldValue,
+            this.value_,
+          ),
+        );
+      }
+    }
+  }
+
+  /**
+   * Called by setValue if the text input is valid. Updates the value of the
+   * field, and updates the text of the field if it is not currently being
+   * edited (i.e. handled by the htmlInput_).
+   *
+   * @param newValue The value to be saved. The default validator guarantees
+   *     that this is a string.
+   */
+  protected override doValueUpdate_(newValue: string | T) {
+    this.isDirty_ = true;
+    this.isTextValid_ = true;
+    this.value_ = newValue;
+  }
+
+  /**
+   * Updates text field to match the colour/style of the block.
+   */
+  override applyColour() {
+    const block = this.getSourceBlock() as BlockSvg | null;
+    if (!block) throw new UnattachedFieldError();
+
+    if (!this.getConstants()!.FULL_BLOCK_FIELDS) return;
+    if (!this.fieldGroup_) return;
+
+    if (!this.isFullBlockField() && this.borderRect_) {
+      this.borderRect_!.style.display = 'block';
+      this.borderRect_.setAttribute('stroke', block.style.colourTertiary);
+    } else {
+      this.borderRect_!.style.display = 'none';
+      // In general, do *not* let fields control the color of blocks. Having the
+      // field control the color is unexpected, and could have performance
+      // impacts.
+      block.pathObject.svgPath.setAttribute(
+        'fill',
+        this.getConstants()!.FIELD_BORDER_RECT_COLOUR,
+      );
+    }
+  }
+
+  /**
+   * Returns the height and width of the field.
+   *
+   * This should *in general* be the only place render_ gets called from.
+   *
+   * @returns Height and width.
+   */
+  override getSize(): Size {
+    if (this.getConstants()?.FULL_BLOCK_FIELDS) {
+      // In general, do *not* let fields control the color of blocks. Having the
+      // field control the color is unexpected, and could have performance
+      // impacts.
+      // Full block fields have more control of the block than they should
+      // (i.e. updating fill colour). Whenever we get the size, the field may
+      // no longer be a full-block field, so we need to rerender.
+      this.render_();
+      this.isDirty_ = false;
+    }
+    return super.getSize();
+  }
+
+  /**
+   * Notifies the field that it has changed locations. Moves the widget div to
+   * be in the correct place if it is open.
+   */
+  onLocationChange(): void {
+    if (this.isBeingEdited_) this.resizeEditor_();
+  }
+
+  /**
+   * Updates the colour of the htmlInput given the current validity of the
+   * field's value.
+   *
+   * Also updates the colour of the block to reflect whether this is a full
+   * block field or not.
+   */
+  protected override render_() {
+    super.render_();
+    // This logic is done in render_ rather than doValueInvalid_ or
+    // doValueUpdate_ so that the code is more centralized.
+    if (this.isBeingEdited_) {
+      const htmlInput = this.htmlInput_ as HTMLElement;
+      if (!this.isTextValid_) {
+        dom.addClass(htmlInput, 'blocklyInvalidInput');
+        aria.setState(htmlInput, aria.State.INVALID, true);
+      } else {
+        dom.removeClass(htmlInput, 'blocklyInvalidInput');
+        aria.setState(htmlInput, aria.State.INVALID, false);
+      }
+    }
+
+    const block = this.getSourceBlock() as BlockSvg | null;
+    if (!block) throw new UnattachedFieldError();
+    // In general, do *not* let fields control the color of blocks. Having the
+    // field control the color is unexpected, and could have performance
+    // impacts.
+    // Whenever we render, the field may no longer be a full-block-field so
+    // we need to update the colour.
+    if (this.getConstants()!.FULL_BLOCK_FIELDS) block.applyColour();
+  }
+
+  /**
+   * Set whether this field is spellchecked by the browser.
+   *
+   * @param check True if checked.
+   */
+  setSpellcheck(check: boolean) {
+    if (check === this.spellcheck_) {
+      return;
+    }
+    this.spellcheck_ = check;
+    if (this.htmlInput_) {
+      // AnyDuringMigration because:  Argument of type 'boolean' is not
+      // assignable to parameter of type 'string'.
+      this.htmlInput_.setAttribute(
+        'spellcheck',
+        this.spellcheck_ as AnyDuringMigration,
+      );
+    }
+  }
+
+  /**
+   * Show an editor for the field.
+   * Shows the inline free-text editor on top of the text by default.
+   * Shows a prompt editor for mobile browsers if the modalInputs option is
+   * enabled.
+   *
+   * @param _e Optional mouse event that triggered the field to open, or
+   *     undefined if triggered programmatically.
+   * @param quietInput True if editor should be created without focus.
+   *     Defaults to false.
+   */
+  protected override showEditor_(_e?: Event, quietInput = false) {
+    this.workspace_ = (this.sourceBlock_ as BlockSvg).workspace;
+    if (
+      !quietInput &&
+      this.workspace_.options.modalInputs &&
+      (userAgent.MOBILE || userAgent.ANDROID || userAgent.IPAD)
+    ) {
+      this.showPromptEditor_();
+    } else {
+      this.showInlineEditor_(quietInput);
+    }
+  }
+
+  /**
+   * Create and show a text input editor that is a prompt (usually a popup).
+   * Mobile browsers may have issues with in-line textareas (focus and
+   * keyboards).
+   */
+  private showPromptEditor_() {
+    dialog.prompt(
+      Msg['CHANGE_VALUE_TITLE'],
+      this.getText(),
+      (text: string | null) => {
+        // Text is null if user pressed cancel button.
+        if (text !== null) {
+          this.setValue(this.getValueFromEditorText_(text));
+        }
+        this.onFinishEditing_(this.value_);
+      },
+    );
+  }
+
+  /**
+   * Create and show a text input editor that sits directly over the text input.
+   *
+   * @param quietInput True if editor should be created without focus.
+   */
+  private showInlineEditor_(quietInput: boolean) {
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+    WidgetDiv.show(
+      this,
+      block.RTL,
+      this.widgetDispose_.bind(this),
+      this.workspace_,
+    );
+    this.htmlInput_ = this.widgetCreate_() as HTMLInputElement;
+    this.isBeingEdited_ = true;
+    this.valueWhenEditorWasOpened_ = this.value_;
+
+    if (!quietInput) {
+      (this.htmlInput_ as HTMLElement).focus({
+        preventScroll: true,
+      });
+      this.htmlInput_.select();
+    }
+  }
+
+  /**
+   * Create the text input editor widget.
+   *
+   * @returns The newly created text input editor.
+   */
+  protected widgetCreate_(): HTMLInputElement | HTMLTextAreaElement {
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+    eventUtils.setGroup(true);
+    const div = WidgetDiv.getDiv();
+
+    const clickTarget = this.getClickTarget_();
+    if (!clickTarget) throw new Error('A click target has not been set.');
+    dom.addClass(clickTarget, 'editing');
+
+    const htmlInput = document.createElement('input');
+    htmlInput.className = 'blocklyHtmlInput';
+    // AnyDuringMigration because:  Argument of type 'boolean' is not assignable
+    // to parameter of type 'string'.
+    htmlInput.setAttribute(
+      'spellcheck',
+      this.spellcheck_ as AnyDuringMigration,
+    );
+    const scale = this.workspace_!.getScale();
+    const fontSize = this.getConstants()!.FIELD_TEXT_FONTSIZE * scale + 'pt';
+    div!.style.fontSize = fontSize;
+    htmlInput.style.fontSize = fontSize;
+    let borderRadius = FieldInput.BORDERRADIUS * scale + 'px';
+
+    if (this.isFullBlockField()) {
+      const bBox = this.getScaledBBox();
+
+      // Override border radius.
+      borderRadius = (bBox.bottom - bBox.top) / 2 + 'px';
+      // Pull stroke colour from the existing shadow block
+      const strokeColour = block.getParent()
+        ? (block.getParent() as BlockSvg).style.colourTertiary
+        : (this.sourceBlock_ as BlockSvg).style.colourTertiary;
+      htmlInput.style.border = 1 * scale + 'px solid ' + strokeColour;
+      div!.style.borderRadius = borderRadius;
+      div!.style.transition = 'box-shadow 0.25s ease 0s';
+      if (this.getConstants()!.FIELD_TEXTINPUT_BOX_SHADOW) {
+        div!.style.boxShadow =
+          'rgba(255, 255, 255, 0.3) 0 0 0 ' + 4 * scale + 'px';
+      }
+    }
+    htmlInput.style.borderRadius = borderRadius;
+
+    div!.appendChild(htmlInput);
+
+    htmlInput.value = htmlInput.defaultValue = this.getEditorText_(this.value_);
+    htmlInput.setAttribute('data-untyped-default-value', String(this.value_));
+
+    this.resizeEditor_();
+
+    this.bindInputEvents_(htmlInput);
+
+    return htmlInput;
+  }
+
+  /**
+   * Closes the editor, saves the results, and disposes of any events or
+   * DOM-references belonging to the editor.
+   */
+  protected widgetDispose_() {
+    // Non-disposal related things that we do when the editor closes.
+    this.isBeingEdited_ = false;
+    this.isTextValid_ = true;
+    // Make sure the field's node matches the field's internal value.
+    this.forceRerender();
+    this.onFinishEditing_(this.value_);
+
+    if (
+      this.sourceBlock_ &&
+      eventUtils.isEnabled() &&
+      this.valueWhenEditorWasOpened_ !== null &&
+      this.valueWhenEditorWasOpened_ !== this.value_
+    ) {
+      // When closing a field input widget, fire an event indicating that the
+      // user has completed a sequence of changes. The value may have changed
+      // multiple times while the editor was open, but this will fire an event
+      // containing the value when the editor was opened as well as the new one.
+      eventUtils.fire(
+        new (eventUtils.get(eventUtils.BLOCK_CHANGE))(
+          this.sourceBlock_,
+          'field',
+          this.name || null,
+          this.valueWhenEditorWasOpened_,
+          this.value_,
+        ),
+      );
+      this.valueWhenEditorWasOpened_ = null;
+    }
+
+    eventUtils.setGroup(false);
+
+    // Actual disposal.
+    this.unbindInputEvents_();
+    const style = WidgetDiv.getDiv()!.style;
+    style.width = 'auto';
+    style.height = 'auto';
+    style.fontSize = '';
+    style.transition = '';
+    style.boxShadow = '';
+    this.htmlInput_ = null;
+
+    const clickTarget = this.getClickTarget_();
+    if (!clickTarget) throw new Error('A click target has not been set.');
+    dom.removeClass(clickTarget, 'editing');
+  }
+
+  /**
+   * A callback triggered when the user is done editing the field via the UI.
+   *
+   * @param _value The new value of the field.
+   */
+  onFinishEditing_(_value: AnyDuringMigration) {}
+
+  /**
+   * Bind handlers for user input on the text input field's editor.
+   *
+   * @param htmlInput The htmlInput to which event handlers will be bound.
+   */
+  protected bindInputEvents_(htmlInput: HTMLElement) {
+    // Trap Enter without IME and Esc to hide.
+    this.onKeyDownWrapper_ = browserEvents.conditionalBind(
+      htmlInput,
+      'keydown',
+      this,
+      this.onHtmlInputKeyDown_,
+    );
+    // Resize after every input change.
+    this.onKeyInputWrapper_ = browserEvents.conditionalBind(
+      htmlInput,
+      'input',
+      this,
+      this.onHtmlInputChange_,
+    );
+  }
+
+  /** Unbind handlers for user input and workspace size changes. */
+  protected unbindInputEvents_() {
+    if (this.onKeyDownWrapper_) {
+      browserEvents.unbind(this.onKeyDownWrapper_);
+      this.onKeyDownWrapper_ = null;
+    }
+    if (this.onKeyInputWrapper_) {
+      browserEvents.unbind(this.onKeyInputWrapper_);
+      this.onKeyInputWrapper_ = null;
+    }
+  }
+
+  /**
+   * Handle key down to the editor.
+   *
+   * @param e Keyboard event.
+   */
+  protected onHtmlInputKeyDown_(e: KeyboardEvent) {
+    if (e.key === 'Enter') {
+      WidgetDiv.hideIfOwner(this);
+      dropDownDiv.hideWithoutAnimation();
+    } else if (e.key === 'Escape') {
+      this.setValue(
+        this.htmlInput_!.getAttribute('data-untyped-default-value'),
+        false,
+      );
+      WidgetDiv.hideIfOwner(this);
+      dropDownDiv.hideWithoutAnimation();
+    } else if (e.key === 'Tab') {
+      WidgetDiv.hideIfOwner(this);
+      dropDownDiv.hideWithoutAnimation();
+      (this.sourceBlock_ as BlockSvg).tab(this, !e.shiftKey);
+      e.preventDefault();
+    }
+  }
+
+  /**
+   * Handle a change to the editor.
+   *
+   * @param _e Keyboard event.
+   */
+  private onHtmlInputChange_(_e: Event) {
+    // Intermediate value changes from user input are not confirmed until the
+    // user closes the editor, and may be numerous. Inhibit reporting these as
+    // normal block change events, and instead report them as special
+    // intermediate changes that do not get recorded in undo history.
+    const oldValue = this.value_;
+    // Change the field's value without firing the normal change event.
+    this.setValue(
+      this.getValueFromEditorText_(this.htmlInput_!.value),
+      /* fireChangeEvent= */ false,
+    );
+    if (
+      this.sourceBlock_ &&
+      eventUtils.isEnabled() &&
+      this.value_ !== oldValue
+    ) {
+      // Fire a special event indicating that the value changed but the change
+      // isn't complete yet and normal field change listeners can wait.
+      eventUtils.fire(
+        new (eventUtils.get(eventUtils.BLOCK_FIELD_INTERMEDIATE_CHANGE))(
+          this.sourceBlock_,
+          this.name || null,
+          oldValue,
+          this.value_,
+        ),
+      );
+    }
+  }
+
+  /**
+   * Set the HTML input value and the field's internal value. The difference
+   * between this and `setValue` is that this also updates the HTML input
+   * value whilst editing.
+   *
+   * @param newValue New value.
+   * @param fireChangeEvent Whether to fire a change event. Defaults to true.
+   *     Should usually be true unless the change will be reported some other
+   *     way, e.g. an intermediate field change event.
+   */
+  protected setEditorValue_(
+    newValue: AnyDuringMigration,
+    fireChangeEvent = true,
+  ) {
+    this.isDirty_ = true;
+    if (this.isBeingEdited_) {
+      // In the case this method is passed an invalid value, we still
+      // pass it through the transformation method `getEditorText` to deal
+      // with. Otherwise, the internal field's state will be inconsistent
+      // with what's shown to the user.
+      this.htmlInput_!.value = this.getEditorText_(newValue);
+    }
+    this.setValue(newValue, fireChangeEvent);
+  }
+
+  /** Resize the editor to fit the text. */
+  protected resizeEditor_() {
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+    const div = WidgetDiv.getDiv();
+    const bBox = this.getScaledBBox();
+    div!.style.width = bBox.right - bBox.left + 'px';
+    div!.style.height = bBox.bottom - bBox.top + 'px';
+
+    // In RTL mode block fields and LTR input fields the left edge moves,
+    // whereas the right edge is fixed.  Reposition the editor.
+    const x = block.RTL ? bBox.right - div!.offsetWidth : bBox.left;
+    const xy = new Coordinate(x, bBox.top);
+
+    div!.style.left = xy.x + 'px';
+    div!.style.top = xy.y + 'px';
+  }
+
+  /**
+   * Handles repositioning the WidgetDiv used for input fields when the
+   * workspace is resized. Will bump the block into the viewport and update the
+   * position of the text input if necessary.
+   *
+   * @returns True for rendered workspaces, as we never want to hide the widget
+   *     div.
+   */
+  override repositionForWindowResize(): boolean {
+    const block = this.getSourceBlock();
+    // This shouldn't be possible. We should never have a WidgetDiv if not using
+    // rendered blocks.
+    if (!(block instanceof BlockSvg)) return false;
+
+    const bumped = bumpObjects.bumpIntoBounds(
+      this.workspace_!,
+      this.workspace_!.getMetricsManager().getViewMetrics(true),
+      block,
+    );
+
+    if (!bumped) this.resizeEditor_();
+
+    return true;
+  }
+
+  /**
+   * Returns whether or not the field is tab navigable.
+   *
+   * @returns True if the field is tab navigable.
+   */
+  override isTabNavigable(): boolean {
+    return true;
+  }
+
+  /**
+   * Use the `getText_` developer hook to override the field's text
+   * representation. When we're currently editing, return the current HTML value
+   * instead. Otherwise, return null which tells the field to use the default
+   * behaviour (which is a string cast of the field's value).
+   *
+   * @returns The HTML value if we're editing, otherwise null.
+   */
+  protected override getText_(): string | null {
+    if (this.isBeingEdited_ && this.htmlInput_) {
+      // We are currently editing, return the HTML input value instead.
+      return this.htmlInput_.value;
+    }
+    return null;
+  }
+
+  /**
+   * Transform the provided value into a text to show in the HTML input.
+   * Override this method if the field's HTML input representation is different
+   * than the field's value. This should be coupled with an override of
+   * `getValueFromEditorText_`.
+   *
+   * @param value The value stored in this field.
+   * @returns The text to show on the HTML input.
+   */
+  protected getEditorText_(value: AnyDuringMigration): string {
+    return `${value}`;
+  }
+
+  /**
+   * Transform the text received from the HTML input into a value to store
+   * in this field.
+   * Override this method if the field's HTML input representation is different
+   * than the field's value. This should be coupled with an override of
+   * `getEditorText_`.
+   *
+   * @param text Text received from the HTML input.
+   * @returns The value to store.
+   */
+  protected getValueFromEditorText_(text: string): AnyDuringMigration {
+    return text;
+  }
+}
+
+/**
+ * Config options for the input field.
+ *
+ * @internal
+ */
+export interface FieldInputConfig extends FieldConfig {
+  spellcheck?: boolean;
+}
+
+/**
+ * A function that is called to validate changes to the field's value before
+ * they are set.
+ *
+ * @see {@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/validators#return_values}
+ * @param newValue The value to be validated.
+ * @returns One of three instructions for setting the new value: `T`, `null`,
+ * or `undefined`.
+ *
+ * - `T` to set this function's returned value instead of `newValue`.
+ *
+ * - `null` to invoke `doValueInvalid_` and not set a value.
+ *
+ * - `undefined` to set `newValue` as is.
+ * @internal
+ */
+export type FieldInputValidator<T extends InputTypes> = FieldValidator<
+  string | T
+>;
diff --git a/core/field_label.js b/core/field_label.js
deleted file mode 100644
index 87942a34b3d..00000000000
--- a/core/field_label.js
+++ /dev/null
@@ -1,130 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Non-editable, non-serializable text field.  Used for titles,
- *    labels, etc.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.FieldLabel');
-
-goog.require('Blockly.Field');
-goog.require('Blockly.fieldRegistry');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Size');
-
-
-/**
- * Class for a non-editable, non-serializable text field.
- * @param {string=} opt_value The initial value of the field. Should cast to a
- *    string. Defaults to an empty string if null or undefined.
- * @param {string=} opt_class Optional CSS class for the field's text.
- * @param {Object=} opt_config A map of options used to configure the field.
- *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/label#creation}
- *    for a list of properties this parameter supports.
- * @extends {Blockly.Field}
- * @constructor
- */
-Blockly.FieldLabel = function(opt_value, opt_class, opt_config) {
-  /**
-   * The html class name to use for this field.
-   * @type {?string}
-   * @private
-   */
-  this.class_ = null;
-
-  Blockly.FieldLabel.superClass_.constructor.call(
-      this, opt_value, null, opt_config);
-
-  if (!opt_config) {  // If the config was not passed use old configuration.
-    this.class_ = opt_class || null;
-  }
-};
-Blockly.utils.object.inherits(Blockly.FieldLabel, Blockly.Field);
-
-/**
- * The default value for this field.
- * @type {*}
- * @protected
- */
-Blockly.FieldLabel.prototype.DEFAULT_VALUE = '';
-
-/**
- * Construct a FieldLabel from a JSON arg object,
- * dereferencing any string table references.
- * @param {!Object} options A JSON object with options (text, and class).
- * @return {!Blockly.FieldLabel} The new field instance.
- * @package
- * @nocollapse
- */
-Blockly.FieldLabel.fromJson = function(options) {
-  var text = Blockly.utils.replaceMessageReferences(options['text']);
-  return new Blockly.FieldLabel(text, undefined, options);
-};
-
-/**
- * Editable fields usually show some sort of UI indicating they are
- * editable. This field should not.
- * @type {boolean}
- */
-Blockly.FieldLabel.prototype.EDITABLE = false;
-
-/**
- * @override
- */
-Blockly.FieldLabel.prototype.configure_ = function(config) {
-  Blockly.FieldLabel.superClass_.configure_.call(this, config);
-  this.class_ = config['class'];
-};
-
-/**
- * Create block UI for this label.
- * @package
- */
-Blockly.FieldLabel.prototype.initView = function() {
-  this.createTextElement_();
-  if (this.class_) {
-    Blockly.utils.dom.addClass(
-        /** @type {!SVGTextElement} */ (this.textElement_), this.class_);
-  }
-};
-
-/**
- * Ensure that the input value casts to a valid string.
- * @param {*=} opt_newValue The input value.
- * @return {?string} A valid string, or null if invalid.
- * @protected
- */
-Blockly.FieldLabel.prototype.doClassValidation_ = function(opt_newValue) {
-  if (opt_newValue === null || opt_newValue === undefined) {
-    return null;
-  }
-  return String(opt_newValue);
-};
-
-/**
- * Set the css class applied to the field's textElement_.
- * @param {?string} cssClass The new css class name, or null to remove.
- */
-Blockly.FieldLabel.prototype.setClass = function(cssClass) {
-  if (this.textElement_) {
-    // This check isn't necessary, but it's faster than letting removeClass
-    // figure it out.
-    if (this.class_) {
-      Blockly.utils.dom.removeClass(this.textElement_, this.class_);
-    }
-    if (cssClass) {
-      Blockly.utils.dom.addClass(this.textElement_, cssClass);
-    }
-  }
-  this.class_ = cssClass;
-};
-
-Blockly.fieldRegistry.register('field_label', Blockly.FieldLabel);
diff --git a/core/field_label.ts b/core/field_label.ts
new file mode 100644
index 00000000000..2b77b0d25ff
--- /dev/null
+++ b/core/field_label.ts
@@ -0,0 +1,147 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Non-editable, non-serializable text field.  Used for titles,
+ *    labels, etc.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.FieldLabel
+
+import * as dom from './utils/dom.js';
+import {Field, FieldConfig} from './field.js';
+import * as fieldRegistry from './field_registry.js';
+import * as parsing from './utils/parsing.js';
+
+/**
+ * Class for a non-editable, non-serializable text field.
+ */
+export class FieldLabel extends Field<string> {
+  /** The HTML class name to use for this field. */
+  private class: string | null = null;
+
+  /**
+   * Editable fields usually show some sort of UI indicating they are
+   * editable. This field should not.
+   */
+  override EDITABLE = false;
+
+  /** Text labels should not truncate. */
+  override maxDisplayLength = Infinity;
+
+  /**
+   * @param value The initial value of the field. Should cast to a string.
+   *     Defaults to an empty string if null or undefined. Also accepts
+   *     Field.SKIP_SETUP if you wish to skip setup (only used by subclasses
+   *     that want to handle configuration and setting the field value after
+   *     their own constructors have run).
+   * @param textClass Optional CSS class for the field's text.
+   * @param config A map of options used to configure the field.
+   *    See the [field creation documentation]{@link
+   * https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/label#creation}
+   * for a list of properties this parameter supports.
+   */
+  constructor(
+    value?: string | typeof Field.SKIP_SETUP,
+    textClass?: string,
+    config?: FieldLabelConfig,
+  ) {
+    super(Field.SKIP_SETUP);
+
+    if (value === Field.SKIP_SETUP) return;
+    if (config) {
+      this.configure_(config);
+    } else {
+      this.class = textClass || null;
+    }
+    this.setValue(value);
+  }
+
+  protected override configure_(config: FieldLabelConfig) {
+    super.configure_(config);
+    if (config.class) this.class = config.class;
+  }
+
+  /**
+   * Create block UI for this label.
+   */
+  override initView() {
+    this.createTextElement_();
+    if (this.class) {
+      dom.addClass(this.getTextElement(), this.class);
+    }
+  }
+
+  /**
+   * Ensure that the input value casts to a valid string.
+   *
+   * @param newValue The input value.
+   * @returns A valid string, or null if invalid.
+   */
+  protected override doClassValidation_(
+    newValue?: AnyDuringMigration,
+  ): string | null {
+    if (newValue === null || newValue === undefined) {
+      return null;
+    }
+    return `${newValue}`;
+  }
+
+  /**
+   * Set the CSS class applied to the field's textElement_.
+   *
+   * @param cssClass The new CSS class name, or null to remove.
+   */
+  setClass(cssClass: string | null) {
+    if (this.textElement_) {
+      if (this.class) {
+        dom.removeClass(this.textElement_, this.class);
+      }
+      if (cssClass) {
+        dom.addClass(this.textElement_, cssClass);
+      }
+    }
+    this.class = cssClass;
+  }
+
+  /**
+   * Construct a FieldLabel from a JSON arg object,
+   * dereferencing any string table references.
+   *
+   * @param options A JSON object with options (text, and class).
+   * @returns The new field instance.
+   * @nocollapse
+   * @internal
+   */
+  static override fromJson(options: FieldLabelFromJsonConfig): FieldLabel {
+    const text = parsing.replaceMessageReferences(options.text);
+    // `this` might be a subclass of FieldLabel if that class doesn't override
+    // the static fromJson method.
+    return new this(text, undefined, options);
+  }
+}
+
+fieldRegistry.register('field_label', FieldLabel);
+
+FieldLabel.prototype.DEFAULT_VALUE = '';
+
+// clang-format off
+// Clang does not like the 'class' keyword being used as a property.
+/**
+ * Config options for the label field.
+ */
+export interface FieldLabelConfig extends FieldConfig {
+  class?: string;
+}
+// clang-format on
+
+/**
+ * fromJson config options for the label field.
+ */
+export interface FieldLabelFromJsonConfig extends FieldLabelConfig {
+  text?: string;
+}
diff --git a/core/field_label_serializable.js b/core/field_label_serializable.js
deleted file mode 100644
index eeaac9ffa89..00000000000
--- a/core/field_label_serializable.js
+++ /dev/null
@@ -1,69 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Non-editable, serializable text field. Behaves like a
- *    normal label but is serialized to XML. It may only be
- *    edited programmatically.
- */
-'use strict';
-
-goog.provide('Blockly.FieldLabelSerializable');
-
-goog.require('Blockly.FieldLabel');
-goog.require('Blockly.fieldRegistry');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.object');
-
-
-/**
- * Class for a non-editable, serializable text field.
- * @param {*} opt_value The initial value of the field. Should cast to a
- *    string. Defaults to an empty string if null or undefined.
- * @param {string=} opt_class Optional CSS class for the field's text.
- * @param {Object=} opt_config A map of options used to configure the field.
- *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/label-serializable#creation}
- *    for a list of properties this parameter supports.
- * @extends {Blockly.FieldLabel}
- * @constructor
- *
- */
-Blockly.FieldLabelSerializable = function(opt_value, opt_class, opt_config) {
-  Blockly.FieldLabelSerializable.superClass_.constructor.call(
-      this, opt_value, opt_class, opt_config);
-};
-Blockly.utils.object.inherits(Blockly.FieldLabelSerializable,
-    Blockly.FieldLabel);
-
-/**
- * Construct a FieldLabelSerializable from a JSON arg object,
- * dereferencing any string table references.
- * @param {!Object} options A JSON object with options (text, and class).
- * @return {!Blockly.FieldLabelSerializable} The new field instance.
- * @package
- * @nocollapse
- */
-Blockly.FieldLabelSerializable.fromJson = function(options) {
-  var text = Blockly.utils.replaceMessageReferences(options['text']);
-  return new Blockly.FieldLabelSerializable(text, undefined, options);
-};
-
-/**
- * Editable fields usually show some sort of UI indicating they are
- * editable. This field should not.
- * @type {boolean}
- */
-Blockly.FieldLabelSerializable.prototype.EDITABLE = false;
-
-/**
- * Serializable fields are saved by the XML renderer, non-serializable fields
- * are not.  This field should be serialized, but only edited programmatically.
- * @type {boolean}
- */
-Blockly.FieldLabelSerializable.prototype.SERIALIZABLE = true;
-
-Blockly.fieldRegistry.register(
-    'field_label_serializable', Blockly.FieldLabelSerializable);
diff --git a/core/field_label_serializable.ts b/core/field_label_serializable.ts
new file mode 100644
index 00000000000..b2783583a72
--- /dev/null
+++ b/core/field_label_serializable.ts
@@ -0,0 +1,73 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Non-editable, serializable text field. Behaves like a
+ *    normal label but is serialized to XML. It may only be
+ *    edited programmatically.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.FieldLabelSerializable
+
+import {
+  FieldLabel,
+  FieldLabelConfig,
+  FieldLabelFromJsonConfig,
+} from './field_label.js';
+import * as fieldRegistry from './field_registry.js';
+import * as parsing from './utils/parsing.js';
+
+/**
+ * Class for a non-editable, serializable text field.
+ */
+export class FieldLabelSerializable extends FieldLabel {
+  /**
+   * Editable fields usually show some sort of UI indicating they are
+   * editable. This field should not.
+   */
+  override EDITABLE = false;
+
+  /**
+   * Serializable fields are saved by the XML renderer, non-serializable
+   * fields are not.  This field should be serialized, but only edited
+   * programmatically.
+   */
+  override SERIALIZABLE = true;
+
+  /**
+   * @param value The initial value of the field. Should cast to a string.
+   *     Defaults to an empty string if null or undefined.
+   * @param textClass Optional CSS class for the field's text.
+   * @param config A map of options used to configure the field.
+   *    See the [field creation documentation]{@link
+   * https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/label-serializable#creation}
+   * for a list of properties this parameter supports.
+   */
+  constructor(value?: string, textClass?: string, config?: FieldLabelConfig) {
+    super(String(value ?? ''), textClass, config);
+  }
+
+  /**
+   * Construct a FieldLabelSerializable from a JSON arg object,
+   * dereferencing any string table references.
+   *
+   * @param options A JSON object with options (text, and class).
+   * @returns The new field instance.
+   * @nocollapse
+   * @internal
+   */
+  static override fromJson(
+    options: FieldLabelFromJsonConfig,
+  ): FieldLabelSerializable {
+    const text = parsing.replaceMessageReferences(options.text);
+    // `this` might be a subclass of FieldLabelSerializable if that class
+    // doesn't override the static fromJson method.
+    return new this(text, undefined, options);
+  }
+}
+
+fieldRegistry.register('field_label_serializable', FieldLabelSerializable);
diff --git a/core/field_multilineinput.js b/core/field_multilineinput.js
deleted file mode 100644
index 2205cb03fba..00000000000
--- a/core/field_multilineinput.js
+++ /dev/null
@@ -1,299 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Text Area field.
- * @author fraser@google.com (Neil Fraser)
- * @author Andrew Mee
- * @author acbart@udel.edu (Austin Cory Bart)
- */
-'use strict';
-
-goog.provide('Blockly.FieldMultilineInput');
-
-goog.require('Blockly.Css');
-goog.require('Blockly.DropDownDiv');
-goog.require('Blockly.FieldTextInput');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.aria');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.KeyCodes');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.utils.userAgent');
-
-
-/**
- * Class for an editable text area field.
- * @param {string=} opt_value The initial content of the field. Should cast to a
- *    string. Defaults to an empty string if null or undefined.
- * @param {Function=} opt_validator An optional function that is called
- *     to validate any constraints on what the user entered.  Takes the new
- *     text as an argument and returns either the accepted text, a replacement
- *     text, or null to abort the change.
- * @param {Object=} opt_config A map of options used to configure the field.
- *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/text-input#creation}
- *    for a list of properties this parameter supports.
- * @extends {Blockly.FieldTextInput}
- * @constructor
- */
-Blockly.FieldMultilineInput = function(opt_value, opt_validator, opt_config) {
-  // TODO: Once this field is documented the opt_config link should point to its
-  //  creation documentation, rather than the text input field's.
-  Blockly.FieldMultilineInput.superClass_.constructor.call(this,
-      opt_value, opt_validator, opt_config);
-
-  /**
-   * The SVG group element that will contain a text element for each text row
-   *     when initialized.
-   * @type {SVGGElement}
-   */
-  this.textGroup_ = null;
-};
-Blockly.utils.object.inherits(Blockly.FieldMultilineInput,
-    Blockly.FieldTextInput);
-
-/**
- * Construct a FieldMultilineInput from a JSON arg object,
- * dereferencing any string table references.
- * @param {!Object} options A JSON object with options (text, and spellcheck).
- * @return {!Blockly.FieldMultilineInput} The new field instance.
- * @package
- * @nocollapse
- */
-Blockly.FieldMultilineInput.fromJson = function(options) {
-  var text = Blockly.utils.replaceMessageReferences(options['text']);
-  return new Blockly.FieldMultilineInput(text, undefined, options);
-};
-
-/**
- * Serializes this field's value to XML. Should only be called by Blockly.Xml.
- * @param {!Element} fieldElement The element to populate with info about the
- *    field's state.
- * @return {!Element} The element containing info about the field's state.
- * @package
- */
-Blockly.FieldMultilineInput.prototype.toXml = function(fieldElement) {
-  // Replace '\n' characters with html-escaped equivalent '&#10'. This is
-  // needed so the plain-text representation of the xml produced by
-  // `Blockly.Xml.domToText` will appear on a single line (this is a limitation
-  // of the plain-text format).
-  fieldElement.textContent = this.getValue().replace(/\n/g, '&#10;');
-  return fieldElement;
-};
-
-/**
- * Sets the field's value based on the given XML element. Should only be
- * called by Blockly.Xml.
- * @param {!Element} fieldElement The element containing info about the
- *    field's state.
- * @package
- */
-Blockly.FieldMultilineInput.prototype.fromXml = function(fieldElement) {
-  this.setValue(fieldElement.textContent.replace(/&#10;/g, '\n'));
-};
-
-/**
- * Create the block UI for this field.
- * @package
- */
-Blockly.FieldMultilineInput.prototype.initView = function() {
-  this.createBorderRect_();
-  this.textGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G, {
-        'class': 'blocklyEditableText',
-      }, this.fieldGroup_);
-};
-
-/**
- * Get the text from this field as displayed on screen.  May differ from getText
- * due to ellipsis, and other formatting.
- * @return {string} Currently displayed text.
- * @private
- */
-Blockly.FieldMultilineInput.prototype.getDisplayText_ = function() {
-  var value = this.value_;
-  if (!value) {
-    // Prevent the field from disappearing if empty.
-    return Blockly.Field.NBSP;
-  }
-  var lines = value.split('\n');
-  value = '';
-  for (var i = 0; i < lines.length; i++) {
-    var text = lines[i];
-    if (text.length > this.maxDisplayLength) {
-      // Truncate displayed string and add an ellipsis ('...').
-      text = text.substring(0, this.maxDisplayLength - 4) + '...';
-    }
-    // Replace whitespace with non-breaking spaces so the text doesn't collapse.
-    text = text.replace(/\s/g, Blockly.Field.NBSP);
-
-    value += text;
-    if (i !== lines.length - 1) {
-      value += '\n';
-    }
-  }
-  if (this.sourceBlock_.RTL) {
-    // The SVG is LTR, force value to be RTL.
-    value += '\u200F';
-  }
-  return value;
-};
-
-/**
- * Updates the text of the textElement.
- * @protected
- */
-Blockly.FieldMultilineInput.prototype.render_ = function() {
-  // Remove all text group children.
-  var currentChild;
-  while ((currentChild = this.textGroup_.firstChild)) {
-    this.textGroup_.removeChild(currentChild);
-  }
-
-  // Add in text elements into the group.
-  var lines = this.getDisplayText_().split('\n');
-  var y = 0;
-  for (var i = 0; i < lines.length; i++) {
-    var lineHeight = this.getConstants().FIELD_TEXT_HEIGHT +
-        this.getConstants().FIELD_BORDER_RECT_Y_PADDING;
-    var span = Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.TEXT, {
-          'class': 'blocklyText blocklyMultilineText',
-          x: this.getConstants().FIELD_BORDER_RECT_X_PADDING,
-          y: y + this.getConstants().FIELD_BORDER_RECT_Y_PADDING,
-          dy: this.getConstants().FIELD_TEXT_BASELINE
-        }, this.textGroup_);
-    span.appendChild(document.createTextNode(lines[i]));
-    y += lineHeight;
-  }
-
-  this.updateSize_();
-
-  if (this.isBeingEdited_) {
-    if (this.sourceBlock_.RTL) {
-      // in RTL, we need to let the browser reflow before resizing
-      // in order to get the correct bounding box of the borderRect
-      // avoiding issue #2777.
-      setTimeout(this.resizeEditor_.bind(this), 0);
-    } else {
-      this.resizeEditor_();
-    }
-    var htmlInput = /** @type {!HTMLElement} */(this.htmlInput_);
-    if (!this.isTextValid_) {
-      Blockly.utils.dom.addClass(htmlInput, 'blocklyInvalidInput');
-      Blockly.utils.aria.setState(htmlInput,
-          Blockly.utils.aria.State.INVALID, true);
-    } else {
-      Blockly.utils.dom.removeClass(htmlInput, 'blocklyInvalidInput');
-      Blockly.utils.aria.setState(htmlInput,
-          Blockly.utils.aria.State.INVALID, false);
-    }
-  }
-};
-
-/**
- * Updates the size of the field based on the text.
- * @protected
- */
-Blockly.FieldMultilineInput.prototype.updateSize_ = function() {
-  var nodes = this.textGroup_.childNodes;
-  var totalWidth = 0;
-  var totalHeight = 0;
-  for (var i = 0; i < nodes.length; i++) {
-    var tspan = /** @type {!Element} */ (nodes[i]);
-    var textWidth = Blockly.utils.dom.getTextWidth(tspan);
-    if (textWidth > totalWidth) {
-      totalWidth = textWidth;
-    }
-    totalHeight += this.getConstants().FIELD_TEXT_HEIGHT +
-        (i > 0 ? this.getConstants().FIELD_BORDER_RECT_Y_PADDING : 0);
-  }
-  if (this.borderRect_) {
-    totalHeight += this.getConstants().FIELD_BORDER_RECT_Y_PADDING * 2;
-    totalWidth += this.getConstants().FIELD_BORDER_RECT_X_PADDING * 2;
-    this.borderRect_.setAttribute('width', totalWidth);
-    this.borderRect_.setAttribute('height', totalHeight);
-  }
-  this.size_.width = totalWidth;
-  this.size_.height = totalHeight;
-
-  this.positionBorderRect_();
-};
-
-/**
- * Create the text input editor widget.
- * @return {!HTMLTextAreaElement} The newly created text input editor.
- * @protected
- */
-Blockly.FieldMultilineInput.prototype.widgetCreate_ = function() {
-  var div = Blockly.WidgetDiv.DIV;
-  var scale = this.workspace_.getScale();
-
-  var htmlInput =
-    /** @type {HTMLTextAreaElement} */ (document.createElement('textarea'));
-  htmlInput.className = 'blocklyHtmlInput blocklyHtmlTextAreaInput';
-  htmlInput.setAttribute('spellcheck', this.spellcheck_);
-  var fontSize = (this.getConstants().FIELD_TEXT_FONTSIZE * scale) + 'pt';
-  div.style.fontSize = fontSize;
-  htmlInput.style.fontSize = fontSize;
-  var borderRadius = (Blockly.FieldTextInput.BORDERRADIUS * scale) + 'px';
-  htmlInput.style.borderRadius = borderRadius;
-  var paddingX = this.getConstants().FIELD_BORDER_RECT_X_PADDING * scale;
-  var paddingY = this.getConstants().FIELD_BORDER_RECT_Y_PADDING * scale / 2;
-  htmlInput.style.padding = paddingY + 'px ' + paddingX + 'px ' + paddingY +
-      'px ' + paddingX + 'px';
-  var lineHeight = this.getConstants().FIELD_TEXT_HEIGHT +
-      this.getConstants().FIELD_BORDER_RECT_Y_PADDING;
-  htmlInput.style.lineHeight = (lineHeight * scale) + 'px';
-
-  div.appendChild(htmlInput);
-
-  htmlInput.value = htmlInput.defaultValue = this.getEditorText_(this.value_);
-  htmlInput.untypedDefaultValue_ = this.value_;
-  htmlInput.oldValue_ = null;
-  if (Blockly.utils.userAgent.GECKO) {
-    // In FF, ensure the browser reflows before resizing to avoid issue #2777.
-    setTimeout(this.resizeEditor_.bind(this), 0);
-  } else {
-    this.resizeEditor_();
-  }
-
-  this.bindInputEvents_(htmlInput);
-
-  return htmlInput;
-};
-
-/**
- * Handle key down to the editor. Override the text input definition of this
- * so as to not close the editor when enter is typed in.
- * @param {!Event} e Keyboard event.
- * @protected
- */
-Blockly.FieldMultilineInput.prototype.onHtmlInputKeyDown_ = function(e) {
-  if (e.keyCode !== Blockly.utils.KeyCodes.ENTER) {
-    Blockly.FieldMultilineInput.superClass_.onHtmlInputKeyDown_.call(this, e);
-  }
-};
-
-/**
- * CSS for multiline field.  See css.js for use.
- */
-Blockly.Css.register([
-  /* eslint-disable indent */
-  '.blocklyHtmlTextAreaInput {',
-    'font-family: monospace;',
-    'resize: none;',
-    'overflow: hidden;',
-    'height: 100%;',
-    'text-align: left;',
-  '}'
-  /* eslint-enable indent */
-]);
-
-
-Blockly.fieldRegistry.register('field_multilinetext', Blockly.FieldMultilineInput);
diff --git a/core/field_number.js b/core/field_number.js
deleted file mode 100644
index e052ff36f49..00000000000
--- a/core/field_number.js
+++ /dev/null
@@ -1,317 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Number input field
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.FieldNumber');
-
-goog.require('Blockly.fieldRegistry');
-goog.require('Blockly.FieldTextInput');
-goog.require('Blockly.utils.aria');
-goog.require('Blockly.utils.object');
-
-
-/**
- * Class for an editable number field.
- * @param {string|number=} opt_value The initial value of the field. Should cast
- *    to a number. Defaults to 0.
- * @param {?(string|number)=} opt_min Minimum value.
- * @param {?(string|number)=} opt_max Maximum value.
- * @param {?(string|number)=} opt_precision Precision for value.
- * @param {?Function=} opt_validator A function that is called to validate
- *    changes to the field's value. Takes in a number & returns a validated
- *    number, or null to abort the change.
- * @param {Object=} opt_config A map of options used to configure the field.
- *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/number#creation}
- *    for a list of properties this parameter supports.
- * @extends {Blockly.FieldTextInput}
- * @constructor
- */
-Blockly.FieldNumber = function(opt_value, opt_min, opt_max, opt_precision,
-    opt_validator, opt_config) {
-
-  /**
-   * The minimum value this number field can contain.
-   * @type {number}
-   * @protected
-   */
-  this.min_ = -Infinity;
-
-  /**
-   * The maximum value this number field can contain.
-   * @type {number}
-   * @protected
-   */
-  this.max_ = Infinity;
-
-  /**
-   * The multiple to which this fields value is rounded.
-   * @type {number}
-   * @protected
-   */
-  this.precision_ = 0;
-
-  /**
-   * The number of decimal places to allow, or null to allow any number of
-   * decimal digits.
-   * @type {?number}
-   * @private
-   */
-  this.decimalPlaces_ = null;
-
-  Blockly.FieldNumber.superClass_.constructor.call(
-      this, opt_value, opt_validator, opt_config);
-
-  if (!opt_config) {  // Only do one kind of configuration or the other.
-    this.setConstraints(opt_min, opt_max, opt_precision);
-  }
-};
-Blockly.utils.object.inherits(Blockly.FieldNumber, Blockly.FieldTextInput);
-
-/**
- * The default value for this field.
- * @type {*}
- * @protected
- */
-Blockly.FieldNumber.prototype.DEFAULT_VALUE = 0;
-
-/**
- * Construct a FieldNumber from a JSON arg object.
- * @param {!Object} options A JSON object with options (value, min, max, and
- *                          precision).
- * @return {!Blockly.FieldNumber} The new field instance.
- * @package
- * @nocollapse
- */
-Blockly.FieldNumber.fromJson = function(options) {
-  return new Blockly.FieldNumber(options['value'],
-      undefined, undefined, undefined, undefined, options);
-};
-
-/**
- * Serializable fields are saved by the XML renderer, non-serializable fields
- * are not. Editable fields should also be serializable.
- * @type {boolean}
- */
-Blockly.FieldNumber.prototype.SERIALIZABLE = true;
-
-/**
- * Configure the field based on the given map of options.
- * @param {!Object} config A map of options to configure the field based on.
- * @private
- */
-Blockly.FieldNumber.prototype.configure_ = function(config) {
-  Blockly.FieldNumber.superClass_.configure_.call(this, config);
-  this.setMinInternal_(config['min']);
-  this.setMaxInternal_(config['max']);
-  this.setPrecisionInternal_(config['precision']);
-};
-
-/**
- * Set the maximum, minimum and precision constraints on this field.
- * Any of these properties may be undefined or NaN to be disabled.
- * Setting precision (usually a power of 10) enforces a minimum step between
- * values. That is, the user's value will rounded to the closest multiple of
- * precision. The least significant digit place is inferred from the precision.
- * Integers values can be enforces by choosing an integer precision.
- * @param {?(number|string|undefined)} min Minimum value.
- * @param {?(number|string|undefined)} max Maximum value.
- * @param {?(number|string|undefined)} precision Precision for value.
- */
-Blockly.FieldNumber.prototype.setConstraints = function(min, max, precision) {
-  this.setMinInternal_(min);
-  this.setMaxInternal_(max);
-  this.setPrecisionInternal_(precision);
-  this.setValue(this.getValue());
-};
-
-/**
- * Sets the minimum value this field can contain. Updates the value to reflect.
- * @param {?(number|string|undefined)} min Minimum value.
- */
-Blockly.FieldNumber.prototype.setMin = function(min) {
-  this.setMinInternal_(min);
-  this.setValue(this.getValue());
-};
-
-/**
- * Sets the minimum value this field can contain. Called internally to avoid
- * value updates.
- * @param {?(number|string|undefined)} min Minimum value.
- * @private
- */
-Blockly.FieldNumber.prototype.setMinInternal_ = function(min) {
-  if (min == null) {
-    this.min_ = -Infinity;
-  } else {
-    min = Number(min);
-    if (!isNaN(min)) {
-      this.min_ = min;
-    }
-  }
-};
-
-/**
- * Returns the current minimum value this field can contain. Default is
- * -Infinity.
- * @return {number} The current minimum value this field can contain.
- */
-Blockly.FieldNumber.prototype.getMin = function() {
-  return this.min_;
-};
-
-/**
- * Sets the maximum value this field can contain. Updates the value to reflect.
- * @param {?(number|string|undefined)} max Maximum value.
- */
-Blockly.FieldNumber.prototype.setMax = function(max) {
-  this.setMaxInternal_(max);
-  this.setValue(this.getValue());
-};
-
-/**
- * Sets the maximum value this field can contain. Called internally to avoid
- * value updates.
- * @param {?(number|string|undefined)} max Maximum value.
- * @private
- */
-Blockly.FieldNumber.prototype.setMaxInternal_ = function(max) {
-  if (max == null) {
-    this.max_ = Infinity;
-  } else {
-    max = Number(max);
-    if (!isNaN(max)) {
-      this.max_ = max;
-    }
-  }
-};
-
-/**
- * Returns the current maximum value this field can contain. Default is
- * Infinity.
- * @return {number} The current maximum value this field can contain.
- */
-Blockly.FieldNumber.prototype.getMax = function() {
-  return this.max_;
-};
-
-/**
- * Sets the precision of this field's value, i.e. the number to which the
- * value is rounded. Updates the field to reflect.
- * @param {?(number|string|undefined)} precision The number to which the
- *    field's value is rounded.
- */
-Blockly.FieldNumber.prototype.setPrecision = function(precision) {
-  this.setPrecisionInternal_(precision);
-  this.setValue(this.getValue());
-};
-
-/**
- * Sets the precision of this field's value. Called internally to avoid
- * value updates.
- * @param {?(number|string|undefined)} precision The number to which the
- *    field's value is rounded.
- * @private
- */
-Blockly.FieldNumber.prototype.setPrecisionInternal_ = function(precision) {
-  if (precision == null) {
-    // Number(precision) would also be 0, but set explicitly to be clear.
-    this.precision_ = 0;
-  } else {
-    precision = Number(precision);
-    if (!isNaN(precision)) {
-      this.precision_ = precision;
-    }
-  }
-
-  var precisionString = this.precision_.toLocaleString("en-US", {maximumFractionDigits: 20});
-  var decimalIndex = precisionString.indexOf('.');
-  if (decimalIndex == -1) {
-    // If the precision is 0 (float) allow any number of decimals,
-    // otherwise allow none.
-    this.decimalPlaces_ = precision ? 0 : null;
-  } else {
-    this.decimalPlaces_ = precisionString.length - decimalIndex - 1;
-  }
-};
-
-/**
- * Returns the current precision of this field. The precision being the
- * number to which the field's value is rounded. A precision of 0 means that
- * the value is not rounded.
- * @return {number} The number to which this field's value is rounded.
- */
-Blockly.FieldNumber.prototype.getPrecision = function() {
-  return this.precision_;
-};
-
-/**
- * Ensure that the input value is a valid number (must fulfill the
- * constraints placed on the field).
- * @param {*=} opt_newValue The input value.
- * @return {?number} A valid number, or null if invalid.
- * @protected
- * @override
- */
-Blockly.FieldNumber.prototype.doClassValidation_ = function(opt_newValue) {
-  if (opt_newValue === null) {
-    return null;
-  }
-  // Clean up text.
-  var newValue = String(opt_newValue);
-  // TODO: Handle cases like 'ten', '1.203,14', etc.
-  // 'O' is sometimes mistaken for '0' by inexperienced users.
-  newValue = newValue.replace(/O/ig, '0');
-  // Strip out thousands separators.
-  newValue = newValue.replace(/,/g, '');
-  // Ignore case of 'Infinity'.
-  newValue = newValue.replace(/infinity/i, 'Infinity');
-
-  // Clean up number.
-  var n = Number(newValue || 0);
-  if (isNaN(n)) {
-    // Invalid number.
-    return null;
-  }
-  // Get the value in range.
-  n = Math.min(Math.max(n, this.min_), this.max_);
-  // Round to nearest multiple of precision.
-  if (this.precision_ && isFinite(n)) {
-    n = Math.round(n / this.precision_) * this.precision_;
-  }
-  // Clean up floating point errors.
-  if (this.decimalPlaces_ != null) {
-    n = Number(n.toFixed(this.decimalPlaces_));
-  }
-  return n;
-};
-
-/**
- * Create the number input editor widget.
- * @return {!HTMLElement} The newly created number input editor.
- * @protected
- * @override
- */
-Blockly.FieldNumber.prototype.widgetCreate_ = function() {
-  var htmlInput = Blockly.FieldNumber.superClass_.widgetCreate_.call(this);
-
-  // Set the accessibility state
-  if (this.min_ > -Infinity) {
-    Blockly.utils.aria.setState(htmlInput,
-        Blockly.utils.aria.State.VALUEMIN, this.min_);
-  }
-  if (this.max_ < Infinity) {
-    Blockly.utils.aria.setState(htmlInput,
-        Blockly.utils.aria.State.VALUEMAX, this.max_);
-  }
-  return htmlInput;
-};
-
-Blockly.fieldRegistry.register('field_number', Blockly.FieldNumber);
diff --git a/core/field_number.ts b/core/field_number.ts
new file mode 100644
index 00000000000..e8e51d06007
--- /dev/null
+++ b/core/field_number.ts
@@ -0,0 +1,367 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Number input field
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.FieldNumber
+
+import {Field} from './field.js';
+import * as fieldRegistry from './field_registry.js';
+import {
+  FieldInput,
+  FieldInputConfig,
+  FieldInputValidator,
+} from './field_input.js';
+import * as aria from './utils/aria.js';
+
+/**
+ * Class for an editable number field.
+ */
+export class FieldNumber extends FieldInput<number> {
+  /** The minimum value this number field can contain. */
+  protected min_ = -Infinity;
+
+  /** The maximum value this number field can contain. */
+  protected max_ = Infinity;
+
+  /** The multiple to which this fields value is rounded. */
+  protected precision_ = 0;
+
+  /**
+   * The number of decimal places to allow, or null to allow any number of
+   * decimal digits.
+   */
+  private decimalPlaces: number | null = null;
+
+  /** Don't spellcheck numbers.  Our validator does a better job. */
+  protected override spellcheck_ = false;
+
+  /**
+   * @param value The initial value of the field. Should cast to a number.
+   *     Defaults to 0. Also accepts Field.SKIP_SETUP if you wish to skip setup
+   *     (only used by subclasses that want to handle configuration and setting
+   *     the field value after their own constructors have run).
+   * @param min Minimum value. Will only be used if config is not
+   *     provided.
+   * @param max Maximum value. Will only be used if config is not
+   *     provided.
+   * @param precision Precision for value. Will only be used if config
+   *     is not provided.
+   * @param validator A function that is called to validate changes to the
+   *     field's value. Takes in a number & returns a validated number, or null
+   *     to abort the change.
+   * @param config A map of options used to configure the field.
+   *     See the [field creation documentation]{@link
+   * https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/number#creation}
+   * for a list of properties this parameter supports.
+   */
+  constructor(
+    value?: string | number | typeof Field.SKIP_SETUP,
+    min?: string | number | null,
+    max?: string | number | null,
+    precision?: string | number | null,
+    validator?: FieldNumberValidator | null,
+    config?: FieldNumberConfig,
+  ) {
+    // Pass SENTINEL so that we can define properties before value validation.
+    super(Field.SKIP_SETUP);
+
+    if (value === Field.SKIP_SETUP) return;
+    if (config) {
+      this.configure_(config);
+    } else {
+      this.setConstraints(min, max, precision);
+    }
+    this.setValue(value);
+    if (validator) {
+      this.setValidator(validator);
+    }
+  }
+
+  /**
+   * Configure the field based on the given map of options.
+   *
+   * @param config A map of options to configure the field based on.
+   */
+  protected override configure_(config: FieldNumberConfig) {
+    super.configure_(config);
+    this.setMinInternal(config.min);
+    this.setMaxInternal(config.max);
+    this.setPrecisionInternal(config.precision);
+  }
+
+  /**
+   * Set the maximum, minimum and precision constraints on this field.
+   * Any of these properties may be undefined or NaN to be disabled.
+   * Setting precision (usually a power of 10) enforces a minimum step between
+   * values. That is, the user's value will rounded to the closest multiple of
+   * precision. The least significant digit place is inferred from the
+   * precision. Integers values can be enforces by choosing an integer
+   * precision.
+   *
+   * @param min Minimum value.
+   * @param max Maximum value.
+   * @param precision Precision for value.
+   */
+  setConstraints(
+    min: number | string | undefined | null,
+    max: number | string | undefined | null,
+    precision: number | string | undefined | null,
+  ) {
+    this.setMinInternal(min);
+    this.setMaxInternal(max);
+    this.setPrecisionInternal(precision);
+    this.setValue(this.getValue());
+  }
+
+  /**
+   * Sets the minimum value this field can contain. Updates the value to
+   * reflect.
+   *
+   * @param min Minimum value.
+   */
+  setMin(min: number | string | undefined | null) {
+    this.setMinInternal(min);
+    this.setValue(this.getValue());
+  }
+
+  /**
+   * Sets the minimum value this field can contain. Called internally to avoid
+   * value updates.
+   *
+   * @param min Minimum value.
+   */
+  private setMinInternal(min: number | string | undefined | null) {
+    if (min == null) {
+      this.min_ = -Infinity;
+    } else {
+      min = Number(min);
+      if (!isNaN(min)) {
+        this.min_ = min;
+      }
+    }
+  }
+
+  /**
+   * Returns the current minimum value this field can contain. Default is
+   * -Infinity.
+   *
+   * @returns The current minimum value this field can contain.
+   */
+  getMin(): number {
+    return this.min_;
+  }
+
+  /**
+   * Sets the maximum value this field can contain. Updates the value to
+   * reflect.
+   *
+   * @param max Maximum value.
+   */
+  setMax(max: number | string | undefined | null) {
+    this.setMaxInternal(max);
+    this.setValue(this.getValue());
+  }
+
+  /**
+   * Sets the maximum value this field can contain. Called internally to avoid
+   * value updates.
+   *
+   * @param max Maximum value.
+   */
+  private setMaxInternal(max: number | string | undefined | null) {
+    if (max == null) {
+      this.max_ = Infinity;
+    } else {
+      max = Number(max);
+      if (!isNaN(max)) {
+        this.max_ = max;
+      }
+    }
+  }
+
+  /**
+   * Returns the current maximum value this field can contain. Default is
+   * Infinity.
+   *
+   * @returns The current maximum value this field can contain.
+   */
+  getMax(): number {
+    return this.max_;
+  }
+
+  /**
+   * Sets the precision of this field's value, i.e. the number to which the
+   * value is rounded. Updates the field to reflect.
+   *
+   * @param precision The number to which the field's value is rounded.
+   */
+  setPrecision(precision: number | string | undefined | null) {
+    this.setPrecisionInternal(precision);
+    this.setValue(this.getValue());
+  }
+
+  /**
+   * Sets the precision of this field's value. Called internally to avoid
+   * value updates.
+   *
+   * @param precision The number to which the field's value is rounded.
+   */
+  private setPrecisionInternal(precision: number | string | undefined | null) {
+    this.precision_ = Number(precision) || 0;
+    let precisionString = String(this.precision_);
+    if (precisionString.includes('e')) {
+      // String() is fast.  But it turns .0000001 into '1e-7'.
+      // Use the much slower toLocaleString to access all the digits.
+      precisionString = this.precision_.toLocaleString('en-US', {
+        maximumFractionDigits: 20,
+      });
+    }
+    const decimalIndex = precisionString.indexOf('.');
+    if (decimalIndex === -1) {
+      // If the precision is 0 (float) allow any number of decimals,
+      // otherwise allow none.
+      this.decimalPlaces = precision ? 0 : null;
+    } else {
+      this.decimalPlaces = precisionString.length - decimalIndex - 1;
+    }
+  }
+
+  /**
+   * Returns the current precision of this field. The precision being the
+   * number to which the field's value is rounded. A precision of 0 means that
+   * the value is not rounded.
+   *
+   * @returns The number to which this field's value is rounded.
+   */
+  getPrecision(): number {
+    return this.precision_;
+  }
+
+  /**
+   * Ensure that the input value is a valid number (must fulfill the
+   * constraints placed on the field).
+   *
+   * @param newValue The input value.
+   * @returns A valid number, or null if invalid.
+   */
+  protected override doClassValidation_(
+    newValue?: AnyDuringMigration,
+  ): number | null {
+    if (newValue === null) {
+      return null;
+    }
+
+    // Clean up text.
+    newValue = `${newValue}`;
+    // TODO: Handle cases like 'ten', '1.203,14', etc.
+    // 'O' is sometimes mistaken for '0' by inexperienced users.
+    newValue = newValue.replace(/O/gi, '0');
+    // Strip out thousands separators.
+    newValue = newValue.replace(/,/g, '');
+    // Ignore case of 'Infinity'.
+    newValue = newValue.replace(/infinity/i, 'Infinity');
+
+    // Clean up number.
+    let n = Number(newValue || 0);
+    if (isNaN(n)) {
+      // Invalid number.
+      return null;
+    }
+    // Get the value in range.
+    n = Math.min(Math.max(n, this.min_), this.max_);
+    // Round to nearest multiple of precision.
+    if (this.precision_ && isFinite(n)) {
+      n = Math.round(n / this.precision_) * this.precision_;
+    }
+    // Clean up floating point errors.
+    if (this.decimalPlaces !== null) {
+      n = Number(n.toFixed(this.decimalPlaces));
+    }
+    return n;
+  }
+
+  /**
+   * Create the number input editor widget.
+   *
+   * @returns The newly created number input editor.
+   */
+  protected override widgetCreate_(): HTMLInputElement {
+    const htmlInput = super.widgetCreate_() as HTMLInputElement;
+
+    // Set the accessibility state
+    if (this.min_ > -Infinity) {
+      htmlInput.min = `${this.min_}`;
+      aria.setState(htmlInput, aria.State.VALUEMIN, this.min_);
+    }
+    if (this.max_ < Infinity) {
+      htmlInput.max = `${this.max_}`;
+      aria.setState(htmlInput, aria.State.VALUEMAX, this.max_);
+    }
+    return htmlInput;
+  }
+
+  /**
+   * Construct a FieldNumber from a JSON arg object.
+   *
+   * @param options A JSON object with options (value, min, max, and precision).
+   * @returns The new field instance.
+   * @nocollapse
+   * @internal
+   */
+  static override fromJson(options: FieldNumberFromJsonConfig): FieldNumber {
+    // `this` might be a subclass of FieldNumber if that class doesn't override
+    // the static fromJson method.
+    return new this(
+      options.value,
+      undefined,
+      undefined,
+      undefined,
+      undefined,
+      options,
+    );
+  }
+}
+
+fieldRegistry.register('field_number', FieldNumber);
+
+FieldNumber.prototype.DEFAULT_VALUE = 0;
+
+/**
+ * Config options for the number field.
+ */
+export interface FieldNumberConfig extends FieldInputConfig {
+  min?: number;
+  max?: number;
+  precision?: number;
+}
+
+/**
+ * fromJson config options for the number field.
+ */
+export interface FieldNumberFromJsonConfig extends FieldNumberConfig {
+  value?: number;
+}
+
+/**
+ * A function that is called to validate changes to the field's value before
+ * they are set.
+ *
+ * @see {@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/validators#return_values}
+ * @param newValue The value to be validated.
+ * @returns One of three instructions for setting the new value: `T`, `null`,
+ * or `undefined`.
+ *
+ * - `T` to set this function's returned value instead of `newValue`.
+ *
+ * - `null` to invoke `doValueInvalid_` and not set a value.
+ *
+ * - `undefined` to set `newValue` as is.
+ */
+export type FieldNumberValidator = FieldInputValidator<number>;
diff --git a/core/field_registry.js b/core/field_registry.js
deleted file mode 100644
index 1a032731d42..00000000000
--- a/core/field_registry.js
+++ /dev/null
@@ -1,66 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Fields can be created based on a JSON definition. This file
- *    contains methods for registering those JSON definitions, and building the
- *    fields based on JSON.
- * @author bekawestberg@gmail.com (Beka Westberg)
- */
-'use strict';
-
-goog.provide('Blockly.fieldRegistry');
-
-goog.require('Blockly.registry');
-
-goog.requireType('Blockly.IRegistrableField');
-
-
-/**
- * Registers a field type.
- * Blockly.fieldRegistry.fromJson uses this registry to
- * find the appropriate field type.
- * @param {string} type The field type name as used in the JSON definition.
- * @param {!Blockly.IRegistrableField} fieldClass The field class containing a
- *     fromJson function that can construct an instance of the field.
- * @throws {Error} if the type name is empty, the field is already
- *     registered, or the fieldClass is not an object containing a fromJson
- *     function.
- */
-Blockly.fieldRegistry.register = function(type, fieldClass) {
-  Blockly.registry.register(Blockly.registry.Type.FIELD, type, fieldClass);
-};
-
-/**
- * Unregisters the field registered with the given type.
- * @param {string} type The field type name as used in the JSON definition.
- */
-Blockly.fieldRegistry.unregister = function(type) {
-  Blockly.registry.unregister(Blockly.registry.Type.FIELD, type);
-};
-
-/**
- * Construct a Field from a JSON arg object.
- * Finds the appropriate registered field by the type name as registered using
- * Blockly.fieldRegistry.register.
- * @param {!Object} options A JSON object with a type and options specific
- *     to the field type.
- * @return {Blockly.Field} The new field instance or null if a field wasn't
- *     found with the given type name
- * @package
- */
-Blockly.fieldRegistry.fromJson = function(options) {
-  var fieldObject = /** @type {?Blockly.IRegistrableField} */ (
-    Blockly.registry.getObject(Blockly.registry.Type.FIELD, options['type']));
-  if (!fieldObject) {
-    console.warn('Blockly could not create a field of type ' + options['type'] +
-      '. The field is probably not being registered. This could be because' +
-      ' the file is not loaded, the field does not register itself (Issue' +
-      ' #1584), or the registration is not being reached.');
-    return null;
-  }
-  return fieldObject.fromJson(options);
-};
diff --git a/core/field_registry.ts b/core/field_registry.ts
new file mode 100644
index 00000000000..06bb9acd045
--- /dev/null
+++ b/core/field_registry.ts
@@ -0,0 +1,115 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.fieldRegistry
+
+import type {Field, FieldConfig} from './field.js';
+import * as registry from './registry.js';
+
+/**
+ * When constructing a field from JSON using the registry, the
+ * `fromJson` method in this file is called with an options parameter
+ * object consisting of the "type" which is the name of the field, and
+ * other options that are part of the field's config object.
+ *
+ * These options are then passed to the field's static `fromJson`
+ * method. That method accepts an options parameter with a type that usually
+ * extends from FieldConfig, and may or may not have a "type" attribute (in
+ * fact, it shouldn't, because we'd overwrite it as described above!)
+ *
+ * Unfortunately the registry has no way of knowing the actual Field subclass
+ * that will be returned from passing in the name of the field. Therefore it
+ * also has no way of knowing that the options object not only implements
+ * `FieldConfig`, but it also should satisfy the Config that belongs to that
+ * specific class's `fromJson` method.
+ *
+ * Because of this uncertainty, we just give up on type checking the properties
+ * passed to the `fromJson` method, and allow arbitrary string keys with
+ * unknown types.
+ */
+type RegistryOptions = FieldConfig & {
+  // The name of the field, e.g. field_dropdown
+  type: string;
+  [key: string]: unknown;
+};
+
+/**
+ * Represents the static methods that must be defined on any
+ * field that is registered, i.e. the constructor and fromJson methods.
+ *
+ * Because we don't know which Field subclass will be registered, we
+ * are unable to typecheck the parameters of the constructor.
+ */
+export interface RegistrableField {
+  new (...args: any[]): Field;
+  fromJson(options: FieldConfig): Field;
+}
+
+/**
+ * Registers a field type.
+ * fieldRegistry.fromJson uses this registry to
+ * find the appropriate field type.
+ *
+ * @param type The field type name as used in the JSON definition.
+ * @param fieldClass The field class containing a fromJson function that can
+ *     construct an instance of the field.
+ * @throws {Error} if the type name is empty, the field is already registered,
+ *     or the fieldClass is not an object containing a fromJson function.
+ */
+export function register(type: string, fieldClass: RegistrableField) {
+  registry.register(registry.Type.FIELD, type, fieldClass);
+}
+
+/**
+ * Unregisters the field registered with the given type.
+ *
+ * @param type The field type name as used in the JSON definition.
+ */
+export function unregister(type: string) {
+  registry.unregister(registry.Type.FIELD, type);
+}
+
+/**
+ * Construct a Field from a JSON arg object.
+ * Finds the appropriate registered field by the type name as registered using
+ * fieldRegistry.register.
+ *
+ * @param options A JSON object with a type and options specific to the field
+ *     type.
+ * @returns The new field instance or null if a field wasn't found with the
+ *     given type name
+ * @internal
+ */
+export function fromJson<T>(options: RegistryOptions): Field<T> | null {
+  return TEST_ONLY.fromJsonInternal(options);
+}
+
+/**
+ * Private version of fromJson for stubbing in tests.
+ *
+ * @param options
+ */
+function fromJsonInternal<T>(options: RegistryOptions): Field<T> | null {
+  const fieldObject = registry.getObject(
+    registry.Type.FIELD,
+    options.type,
+  ) as unknown as RegistrableField;
+  if (!fieldObject) {
+    console.warn(
+      'Blockly could not create a field of type ' +
+        options['type'] +
+        '. The field is probably not being registered. This could be because' +
+        ' the file is not loaded, the field does not register itself (Issue' +
+        ' #1584), or the registration is not being reached.',
+    );
+    return null;
+  }
+  return fieldObject.fromJson(options);
+}
+
+export const TEST_ONLY = {
+  fromJsonInternal,
+};
diff --git a/core/field_textinput.js b/core/field_textinput.js
deleted file mode 100644
index 4bd367f37ba..00000000000
--- a/core/field_textinput.js
+++ /dev/null
@@ -1,616 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Text input field.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.FieldTextInput');
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockChange');
-goog.require('Blockly.Field');
-goog.require('Blockly.fieldRegistry');
-goog.require('Blockly.Msg');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.aria');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.KeyCodes');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Size');
-goog.require('Blockly.utils.userAgent');
-
-
-/**
- * Class for an editable text field.
- * @param {string=} opt_value The initial value of the field. Should cast to a
- *    string. Defaults to an empty string if null or undefined.
- * @param {?Function=} opt_validator A function that is called to validate
- *    changes to the field's value. Takes in a string & returns a validated
- *    string, or null to abort the change.
- * @param {Object=} opt_config A map of options used to configure the field.
- *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/text-input#creation}
- *    for a list of properties this parameter supports.
- * @extends {Blockly.Field}
- * @constructor
- */
-Blockly.FieldTextInput = function(opt_value, opt_validator, opt_config) {
-  /**
-   * Allow browser to spellcheck this field.
-   * @type {boolean}
-   * @protected
-   */
-  this.spellcheck_ = true;
-
-  Blockly.FieldTextInput.superClass_.constructor.call(this,
-      opt_value, opt_validator, opt_config);
-
-  /**
-   * The HTML input element.
-   * @type {HTMLElement}
-   */
-  this.htmlInput_ = null;
-
-  /**
-   * Key down event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onKeyDownWrapper_ = null;
-
-  /**
-   * Key input event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onKeyInputWrapper_ = null;
-
-  /**
-   * Whether the field should consider the whole parent block to be its click
-   * target.
-   * @type {?boolean}
-   */
-  this.fullBlockClickTarget_ = false;
-
-  /**
-   * The workspace that this field belongs to.
-   * @type {?Blockly.WorkspaceSvg}
-   * @protected
-   */
-  this.workspace_ = null;
-};
-Blockly.utils.object.inherits(Blockly.FieldTextInput, Blockly.Field);
-
-/**
- * The default value for this field.
- * @type {*}
- * @protected
- */
-Blockly.FieldTextInput.prototype.DEFAULT_VALUE = '';
-
-/**
- * Construct a FieldTextInput from a JSON arg object,
- * dereferencing any string table references.
- * @param {!Object} options A JSON object with options (text, and spellcheck).
- * @return {!Blockly.FieldTextInput} The new field instance.
- * @package
- * @nocollapse
- */
-Blockly.FieldTextInput.fromJson = function(options) {
-  var text = Blockly.utils.replaceMessageReferences(options['text']);
-  return new Blockly.FieldTextInput(text, undefined, options);
-};
-
-/**
- * Serializable fields are saved by the XML renderer, non-serializable fields
- * are not. Editable fields should also be serializable.
- * @type {boolean}
- */
-Blockly.FieldTextInput.prototype.SERIALIZABLE = true;
-
-/**
- * Pixel size of input border radius.
- * Should match blocklyText's border-radius in CSS.
- */
-Blockly.FieldTextInput.BORDERRADIUS = 4;
-
-/**
- * Mouse cursor style when over the hotspot that initiates the editor.
- */
-Blockly.FieldTextInput.prototype.CURSOR = 'text';
-
-/**
- * @override
- */
-Blockly.FieldTextInput.prototype.configure_ = function(config) {
-  Blockly.FieldTextInput.superClass_.configure_.call(this, config);
-  if (typeof config['spellcheck'] == 'boolean') {
-    this.spellcheck_ = config['spellcheck'];
-  }
-};
-
-/**
- * @override
- */
-Blockly.FieldTextInput.prototype.initView = function() {
-  if (this.getConstants().FULL_BLOCK_FIELDS) {
-    // Step one: figure out if this is the only field on this block.
-    // Rendering is quite different in that case.
-    var nFields = 0;
-    var nConnections = 0;
-
-    // Count the number of fields, excluding text fields
-    for (var i = 0, input; (input = this.sourceBlock_.inputList[i]); i++) {
-      for (var j = 0; (input.fieldRow[j]); j++) {
-        nFields ++;
-      }
-      if (input.connection) {
-        nConnections++;
-      }
-    }
-    // The special case is when this is the only non-label field on the block
-    // and it has an output but no inputs.
-    this.fullBlockClickTarget_ =
-        nFields <= 1 && this.sourceBlock_.outputConnection && !nConnections;
-  } else {
-    this.fullBlockClickTarget_ = false;
-  }
-
-  if (this.fullBlockClickTarget_) {
-    this.clickTarget_ = this.sourceBlock_.getSvgRoot();
-  } else {
-    this.createBorderRect_();
-  }
-  this.createTextElement_();
-};
-
-/**
- * Ensure that the input value casts to a valid string.
- * @param {*=} opt_newValue The input value.
- * @return {*} A valid string, or null if invalid.
- * @protected
- */
-Blockly.FieldTextInput.prototype.doClassValidation_ = function(opt_newValue) {
-  if (opt_newValue === null || opt_newValue === undefined) {
-    return null;
-  }
-  return String(opt_newValue);
-};
-
-/**
- * Called by setValue if the text input is not valid. If the field is
- * currently being edited it reverts value of the field to the previous
- * value while allowing the display text to be handled by the htmlInput_.
- * @param {*} _invalidValue The input value that was determined to be invalid.
- *    This is not used by the text input because its display value is stored on
- *    the htmlInput_.
- * @protected
- */
-Blockly.FieldTextInput.prototype.doValueInvalid_ = function(_invalidValue) {
-  if (this.isBeingEdited_) {
-    this.isTextValid_ = false;
-    var oldValue = this.value_;
-    // Revert value when the text becomes invalid.
-    this.value_ = this.htmlInput_.untypedDefaultValue_;
-    if (this.sourceBlock_ && Blockly.Events.isEnabled()) {
-      Blockly.Events.fire(new Blockly.Events.BlockChange(
-          this.sourceBlock_, 'field', this.name || null, oldValue, this.value_));
-    }
-  }
-};
-
-/**
- * Called by setValue if the text input is valid. Updates the value of the
- * field, and updates the text of the field if it is not currently being
- * edited (i.e. handled by the htmlInput_).
- * @param {*} newValue The value to be saved. The default validator guarantees
- * that this is a string.
- * @protected
- */
-Blockly.FieldTextInput.prototype.doValueUpdate_ = function(newValue) {
-  this.isTextValid_ = true;
-  this.value_ = newValue;
-  if (!this.isBeingEdited_) {
-    // This should only occur if setValue is triggered programmatically.
-    this.isDirty_ = true;
-  }
-};
-
-/**
- * Updates text field to match the colour/style of the block.
- * @package
- */
-Blockly.FieldTextInput.prototype.applyColour = function() {
-  if (this.sourceBlock_ && this.getConstants().FULL_BLOCK_FIELDS) {
-    if (this.borderRect_) {
-      this.borderRect_.setAttribute('stroke',
-          this.sourceBlock_.style.colourTertiary);
-    } else {
-      this.sourceBlock_.pathObject.svgPath.setAttribute('fill',
-          this.getConstants().FIELD_BORDER_RECT_COLOUR);
-    }
-  }
-};
-
-/**
- * Updates the colour of the htmlInput given the current validity of the
- * field's value.
- * @protected
- */
-Blockly.FieldTextInput.prototype.render_ = function() {
-  Blockly.FieldTextInput.superClass_.render_.call(this);
-  // This logic is done in render_ rather than doValueInvalid_ or
-  // doValueUpdate_ so that the code is more centralized.
-  if (this.isBeingEdited_) {
-    this.resizeEditor_();
-    var htmlInput = /** @type {!HTMLElement} */(this.htmlInput_);
-    if (!this.isTextValid_) {
-      Blockly.utils.dom.addClass(htmlInput, 'blocklyInvalidInput');
-      Blockly.utils.aria.setState(htmlInput,
-          Blockly.utils.aria.State.INVALID, true);
-    } else {
-      Blockly.utils.dom.removeClass(htmlInput, 'blocklyInvalidInput');
-      Blockly.utils.aria.setState(htmlInput,
-          Blockly.utils.aria.State.INVALID, false);
-    }
-  }
-};
-
-/**
- * Set whether this field is spellchecked by the browser.
- * @param {boolean} check True if checked.
- */
-Blockly.FieldTextInput.prototype.setSpellcheck = function(check) {
-  if (check == this.spellcheck_) {
-    return;
-  }
-  this.spellcheck_ = check;
-  if (this.htmlInput_) {
-    this.htmlInput_.setAttribute('spellcheck', this.spellcheck_);
-  }
-};
-
-/**
- * Show the inline free-text editor on top of the text.
- * @param {Event=} _opt_e Optional mouse event that triggered the field to open,
- *     or undefined if triggered programmatically.
- * @param {boolean=} opt_quietInput True if editor should be created without
- *     focus.  Defaults to false.
- * @protected
- */
-Blockly.FieldTextInput.prototype.showEditor_ = function(_opt_e,
-    opt_quietInput) {
-  this.workspace_ =
-    (/** @type {!Blockly.BlockSvg} */ (this.sourceBlock_)).workspace;
-  var quietInput = opt_quietInput || false;
-  if (!quietInput && (Blockly.utils.userAgent.MOBILE ||
-                      Blockly.utils.userAgent.ANDROID ||
-                      Blockly.utils.userAgent.IPAD)) {
-    this.showPromptEditor_();
-  } else {
-    this.showInlineEditor_(quietInput);
-  }
-};
-
-/**
- * Create and show a text input editor that is a prompt (usually a popup).
- * Mobile browsers have issues with in-line textareas (focus and keyboards).
- * @private
- */
-Blockly.FieldTextInput.prototype.showPromptEditor_ = function() {
-  var fieldText = this;
-  Blockly.prompt(Blockly.Msg['CHANGE_VALUE_TITLE'], this.getText(),
-      function(newValue) {
-        fieldText.setValue(newValue);
-      });
-};
-
-/**
- * Create and show a text input editor that sits directly over the text input.
- * @param {boolean} quietInput True if editor should be created without
- *     focus.
- * @private
- */
-Blockly.FieldTextInput.prototype.showInlineEditor_ = function(quietInput) {
-  Blockly.WidgetDiv.show(
-      this, this.sourceBlock_.RTL, this.widgetDispose_.bind(this));
-  this.htmlInput_ = this.widgetCreate_();
-  this.isBeingEdited_ = true;
-
-  if (!quietInput) {
-    this.htmlInput_.focus({preventScroll:true});
-    this.htmlInput_.select();
-  }
-};
-
-/**
- * Create the text input editor widget.
- * @return {!HTMLElement} The newly created text input editor.
- * @protected
- */
-Blockly.FieldTextInput.prototype.widgetCreate_ = function() {
-  var div = Blockly.WidgetDiv.DIV;
-
-  Blockly.utils.dom.addClass(this.getClickTarget_(), 'editing');
-
-  var htmlInput = /** @type {HTMLInputElement} */ (document.createElement('input'));
-  htmlInput.className = 'blocklyHtmlInput';
-  htmlInput.setAttribute('spellcheck', this.spellcheck_);
-  var scale = this.workspace_.getScale();
-  var fontSize =
-      (this.getConstants().FIELD_TEXT_FONTSIZE * scale) + 'pt';
-  div.style.fontSize = fontSize;
-  htmlInput.style.fontSize = fontSize;
-  var borderRadius =
-      (Blockly.FieldTextInput.BORDERRADIUS * scale) + 'px';
-
-  if (this.fullBlockClickTarget_) {
-    var bBox = this.getScaledBBox();
-
-    // Override border radius.
-    borderRadius = (bBox.bottom - bBox.top) / 2 + 'px';
-    // Pull stroke colour from the existing shadow block
-    var strokeColour = this.sourceBlock_.getParent() ?
-      this.sourceBlock_.getParent().style.colourTertiary :
-      this.sourceBlock_.style.colourTertiary;
-    htmlInput.style.border = (1 * scale) + 'px solid ' + strokeColour;
-    div.style.borderRadius = borderRadius;
-    div.style.transition = 'box-shadow 0.25s ease 0s';
-    if (this.getConstants().FIELD_TEXTINPUT_BOX_SHADOW) {
-      div.style.boxShadow = 'rgba(255, 255, 255, 0.3) 0px 0px 0px ' +
-          4 * scale + 'px';
-    }
-  }
-  htmlInput.style.borderRadius = borderRadius;
-
-  div.appendChild(htmlInput);
-
-  htmlInput.value = htmlInput.defaultValue = this.getEditorText_(this.value_);
-  htmlInput.untypedDefaultValue_ = this.value_;
-  htmlInput.oldValue_ = null;
-
-  this.resizeEditor_();
-
-  this.bindInputEvents_(htmlInput);
-
-  return htmlInput;
-};
-
-/**
- * Closes the editor, saves the results, and disposes of any events or
- * dom-references belonging to the editor.
- * @private
- */
-Blockly.FieldTextInput.prototype.widgetDispose_ = function() {
-  // Non-disposal related things that we do when the editor closes.
-  this.isBeingEdited_ = false;
-  this.isTextValid_ = true;
-  // Make sure the field's node matches the field's internal value.
-  this.forceRerender();
-  // TODO(#2496): Make this less of a hack.
-  if (this.onFinishEditing_) {
-    this.onFinishEditing_(this.value_);
-  }
-
-  // Actual disposal.
-  this.unbindInputEvents_();
-  var style = Blockly.WidgetDiv.DIV.style;
-  style.width = 'auto';
-  style.height = 'auto';
-  style.fontSize = '';
-  style.transition = '';
-  style.boxShadow = '';
-  this.htmlInput_ = null;
-
-  Blockly.utils.dom.removeClass(this.getClickTarget_(), 'editing');
-};
-
-/**
- * Bind handlers for user input on the text input field's editor.
- * @param {!HTMLElement} htmlInput The htmlInput to which event
- *    handlers will be bound.
- * @protected
- */
-Blockly.FieldTextInput.prototype.bindInputEvents_ = function(htmlInput) {
-  // Trap Enter without IME and Esc to hide.
-  this.onKeyDownWrapper_ =
-      Blockly.bindEventWithChecks_(
-          htmlInput, 'keydown', this, this.onHtmlInputKeyDown_);
-  // Resize after every input change.
-  this.onKeyInputWrapper_ =
-      Blockly.bindEventWithChecks_(
-          htmlInput, 'input', this, this.onHtmlInputChange_);
-};
-
-/**
- * Unbind handlers for user input and workspace size changes.
- * @private
- */
-Blockly.FieldTextInput.prototype.unbindInputEvents_ = function() {
-  if (this.onKeyDownWrapper_) {
-    Blockly.unbindEvent_(this.onKeyDownWrapper_);
-    this.onKeyDownWrapper_ = null;
-  }
-  if (this.onKeyInputWrapper_) {
-    Blockly.unbindEvent_(this.onKeyInputWrapper_);
-    this.onKeyInputWrapper_ = null;
-  }
-};
-
-/**
- * Handle key down to the editor.
- * @param {!Event} e Keyboard event.
- * @protected
- */
-Blockly.FieldTextInput.prototype.onHtmlInputKeyDown_ = function(e) {
-  if (e.keyCode == Blockly.utils.KeyCodes.ENTER) {
-    Blockly.WidgetDiv.hide();
-    Blockly.DropDownDiv.hideWithoutAnimation();
-  } else if (e.keyCode == Blockly.utils.KeyCodes.ESC) {
-    this.htmlInput_.value = this.htmlInput_.defaultValue;
-    Blockly.WidgetDiv.hide();
-    Blockly.DropDownDiv.hideWithoutAnimation();
-  } else if (e.keyCode == Blockly.utils.KeyCodes.TAB) {
-    Blockly.WidgetDiv.hide();
-    Blockly.DropDownDiv.hideWithoutAnimation();
-    this.sourceBlock_.tab(this, !e.shiftKey);
-    e.preventDefault();
-  }
-};
-
-/**
- * Handle a change to the editor.
- * @param {!Event} _e Keyboard event.
- * @private
- */
-Blockly.FieldTextInput.prototype.onHtmlInputChange_ = function(_e) {
-  var text = this.htmlInput_.value;
-  if (text !== this.htmlInput_.oldValue_) {
-    this.htmlInput_.oldValue_ = text;
-
-    // TODO(#2169): Once issue is fixed the setGroup functionality could be
-    //              moved up to the Field setValue method. This would create a
-    //              broader fix for all field types.
-    Blockly.Events.setGroup(true);
-    var value = this.getValueFromEditorText_(text);
-    this.setValue(value);
-    this.forceRerender();
-    this.resizeEditor_();
-    Blockly.Events.setGroup(false);
-  }
-};
-
-/**
- * Set the html input value and the field's internal value. The difference
- * between this and ``setValue`` is that this also updates the html input
- * value whilst editing.
- * @param {*} newValue New value.
- * @protected
- */
-Blockly.FieldTextInput.prototype.setEditorValue_ = function(newValue) {
-  this.isDirty_ = true;
-  if (this.isBeingEdited_) {
-    // In the case this method is passed an invalid value, we still
-    // pass it through the transformation method `getEditorText` to deal
-    // with. Otherwise, the internal field's state will be inconsistent
-    // with what's shown to the user.
-    this.htmlInput_.value = this.getEditorText_(newValue);
-  }
-  this.setValue(newValue);
-};
-
-/**
- * Resize the editor to fit the text.
- * @protected
- */
-Blockly.FieldTextInput.prototype.resizeEditor_ = function() {
-  var div = Blockly.WidgetDiv.DIV;
-  var bBox = this.getScaledBBox();
-  div.style.width = bBox.right - bBox.left + 'px';
-  div.style.height = bBox.bottom - bBox.top + 'px';
-
-  // In RTL mode block fields and LTR input fields the left edge moves,
-  // whereas the right edge is fixed.  Reposition the editor.
-  var x = this.sourceBlock_.RTL ? bBox.right - div.offsetWidth : bBox.left;
-  var xy = new Blockly.utils.Coordinate(x, bBox.top);
-
-  div.style.left = xy.x + 'px';
-  div.style.top = xy.y + 'px';
-};
-
-/**
- * Ensure that only a number may be entered.
- * @param {string} text The user's text.
- * @return {?string} A string representing a valid number, or null if invalid.
- * @deprecated
- */
-Blockly.FieldTextInput.numberValidator = function(text) {
-  console.warn('Blockly.FieldTextInput.numberValidator is deprecated. ' +
-               'Use Blockly.FieldNumber instead.');
-  if (text === null) {
-    return null;
-  }
-  text = String(text);
-  // TODO: Handle cases like 'ten', '1.203,14', etc.
-  // 'O' is sometimes mistaken for '0' by inexperienced users.
-  text = text.replace(/O/ig, '0');
-  // Strip out thousands separators.
-  text = text.replace(/,/g, '');
-  var n = Number(text || 0);
-  return isNaN(n) ? null : String(n);
-};
-
-/**
- * Ensure that only a non-negative integer may be entered.
- * @param {string} text The user's text.
- * @return {?string} A string representing a valid int, or null if invalid.
- * @deprecated
- */
-Blockly.FieldTextInput.nonnegativeIntegerValidator = function(text) {
-  var n = Blockly.FieldTextInput.numberValidator(text);
-  if (n) {
-    n = String(Math.max(0, Math.floor(n)));
-  }
-  return n;
-};
-
-/**
- * Returns whether or not the field is tab navigable.
- * @return {boolean} True if the field is tab navigable.
- * @override
- */
-Blockly.FieldTextInput.prototype.isTabNavigable = function() {
-  return true;
-};
-
-/**
- * Use the `getText_` developer hook to override the field's text representation.
- * When we're currently editing, return the current html value instead.
- * Otherwise, return null which tells the field to use the default behaviour
- * (which is a string cast of the field's value).
- * @return {?string} The html value if we're editing, otherwise null.
- * @protected
- * @override
- */
-Blockly.FieldTextInput.prototype.getText_ = function() {
-  if (this.isBeingEdited_ && this.htmlInput_) {
-    // We are currently editing, return the html input value instead.
-    return this.htmlInput_.value;
-  }
-  return null;
-};
-
-/**
- * Transform the provided value into a text to show in the html input.
- * Override this method if the field's html input representation is different
- * than the field's value. This should be coupled with an override of
- * `getValueFromEditorText_`.
- * @param {*} value The value stored in this field.
- * @return {string} The text to show on the html input.
- * @protected
- */
-Blockly.FieldTextInput.prototype.getEditorText_ = function(value) {
-  return String(value);
-};
-
-/**
- * Transform the text received from the html input into a value to store
- * in this field.
- * Override this method if the field's html input representation is different
- * than the field's value. This should be coupled with an override of
- * `getEditorText_`.
- * @param {string} text Text received from the html input.
- * @return {*} The value to store.
- * @protected
- */
-Blockly.FieldTextInput.prototype.getValueFromEditorText_ = function(text) {
-  return text;
-};
-
-Blockly.fieldRegistry.register('field_input', Blockly.FieldTextInput);
diff --git a/core/field_textinput.ts b/core/field_textinput.ts
new file mode 100644
index 00000000000..39bdca97056
--- /dev/null
+++ b/core/field_textinput.ts
@@ -0,0 +1,117 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Text input field.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.FieldTextInput
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_block_change.js';
+
+import {Field} from './field.js';
+import {
+  FieldInput,
+  FieldInputConfig,
+  FieldInputValidator,
+} from './field_input.js';
+import * as fieldRegistry from './field_registry.js';
+import * as parsing from './utils/parsing.js';
+
+/**
+ * Class for an editable text field.
+ */
+export class FieldTextInput extends FieldInput<string> {
+  /**
+   * @param value The initial value of the field. Should cast to a string.
+   *     Defaults to an empty string if null or undefined. Also accepts
+   *     Field.SKIP_SETUP if you wish to skip setup (only used by subclasses
+   *     that want to handle configuration and setting the field value after
+   *     their own constructors have run).
+   * @param validator A function that is called to validate changes to the
+   *     field's value. Takes in a string & returns a validated string, or null
+   *     to abort the change.
+   * @param config A map of options used to configure the field.
+   *     See the [field creation documentation]{@link
+   * https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/text-input#creation}
+   * for a list of properties this parameter supports.
+   */
+  constructor(
+    value?: string | typeof Field.SKIP_SETUP,
+    validator?: FieldTextInputValidator | null,
+    config?: FieldTextInputConfig,
+  ) {
+    super(value, validator, config);
+  }
+
+  /**
+   * Ensure that the input value casts to a valid string.
+   *
+   * @param newValue The input value.
+   * @returns A valid string, or null if invalid.
+   */
+  protected override doClassValidation_(
+    newValue?: AnyDuringMigration,
+  ): string | null {
+    if (newValue === undefined) {
+      return null;
+    }
+    return `${newValue}`;
+  }
+
+  /**
+   * Construct a FieldTextInput from a JSON arg object,
+   * dereferencing any string table references.
+   *
+   * @param options A JSON object with options (text, and spellcheck).
+   * @returns The new field instance.
+   * @nocollapse
+   * @internal
+   */
+  static override fromJson(
+    options: FieldTextInputFromJsonConfig,
+  ): FieldTextInput {
+    const text = parsing.replaceMessageReferences(options.text);
+    // `this` might be a subclass of FieldTextInput if that class doesn't
+    // override the static fromJson method.
+    return new this(text, undefined, options);
+  }
+}
+
+fieldRegistry.register('field_input', FieldTextInput);
+
+FieldTextInput.prototype.DEFAULT_VALUE = '';
+
+/**
+ *  Config options for the text input field.
+ */
+export type FieldTextInputConfig = FieldInputConfig;
+
+/**
+ * fromJson config options for the text input field.
+ */
+export interface FieldTextInputFromJsonConfig extends FieldTextInputConfig {
+  text?: string;
+}
+
+/**
+ * A function that is called to validate changes to the field's value before
+ * they are set.
+ *
+ * @see {@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/validators#return_values}
+ * @param newValue The value to be validated.
+ * @returns One of three instructions for setting the new value: `T`, `null`,
+ * or `undefined`.
+ *
+ * - `T` to set this function's returned value instead of `newValue`.
+ *
+ * - `null` to invoke `doValueInvalid_` and not set a value.
+ *
+ * - `undefined` to set `newValue` as is.
+ */
+export type FieldTextInputValidator = FieldInputValidator<string>;
diff --git a/core/field_variable.js b/core/field_variable.js
deleted file mode 100644
index df4cd526abd..00000000000
--- a/core/field_variable.js
+++ /dev/null
@@ -1,463 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Variable input field.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.FieldVariable');
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockChange');
-goog.require('Blockly.FieldDropdown');
-goog.require('Blockly.fieldRegistry');
-goog.require('Blockly.Msg');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Size');
-goog.require('Blockly.VariableModel');
-goog.require('Blockly.Variables');
-goog.require('Blockly.Xml');
-
-
-
-/**
- * Class for a variable's dropdown field.
- * @param {?string} varName The default name for the variable.  If null,
- *     a unique variable name will be generated.
- * @param {Function=} opt_validator A function that is called to validate
- *    changes to the field's value. Takes in a variable ID  & returns a
- *    validated variable ID, or null to abort the change.
- * @param {Array.<string>=} opt_variableTypes A list of the types of variables
- *     to include in the dropdown.
- * @param {string=} opt_defaultType The type of variable to create if this
- *     field's value is not explicitly set.  Defaults to ''.
- * @param {Object=} opt_config A map of options used to configure the field.
- *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/variable#creation}
- *    for a list of properties this parameter supports.
- * @extends {Blockly.FieldDropdown}
- * @constructor
- */
-Blockly.FieldVariable = function(varName, opt_validator, opt_variableTypes,
-    opt_defaultType, opt_config) {
-  // The FieldDropdown constructor expects the field's initial value to be
-  // the first entry in the menu generator, which it may or may not be.
-  // Just do the relevant parts of the constructor.
-
-  /**
-   * An array of options for a dropdown list,
-   * or a function which generates these options.
-   * @type {(!Array.<!Array>|
-   *    !function(this:Blockly.FieldDropdown): !Array.<!Array>)}
-   * @protected
-   */
-  this.menuGenerator_ = Blockly.FieldVariable.dropdownCreate;
-
-  /**
-   * The initial variable name passed to this field's constructor, or an
-   * empty string if a name wasn't provided. Used to create the initial
-   * variable.
-   * @type {string}
-   */
-  this.defaultVariableName = varName || '';
-
-  /**
-   * The size of the area rendered by the field.
-   * @type {Blockly.utils.Size}
-   * @protected
-   * @override
-   */
-  this.size_ = new Blockly.utils.Size(0, 0);
-
-  opt_config && this.configure_(opt_config);
-  opt_validator && this.setValidator(opt_validator);
-
-  if (!opt_config) {  // Only do one kind of configuration or the other.
-    this.setTypes_(opt_variableTypes, opt_defaultType);
-  }
-};
-Blockly.utils.object.inherits(Blockly.FieldVariable, Blockly.FieldDropdown);
-
-/**
- * Construct a FieldVariable from a JSON arg object,
- * dereferencing any string table references.
- * @param {!Object} options A JSON object with options (variable,
- *                          variableTypes, and defaultType).
- * @return {!Blockly.FieldVariable} The new field instance.
- * @package
- * @nocollapse
- */
-Blockly.FieldVariable.fromJson = function(options) {
-  var varName = Blockly.utils.replaceMessageReferences(options['variable']);
-  return new Blockly.FieldVariable(
-      varName, undefined, undefined, undefined, options);
-};
-
-/**
- * Serializable fields are saved by the XML renderer, non-serializable fields
- * are not. Editable fields should also be serializable.
- * @type {boolean}
- */
-Blockly.FieldVariable.prototype.SERIALIZABLE = true;
-
-/**
- * Configure the field based on the given map of options.
- * @param {!Object} config A map of options to configure the field based on.
- * @protected
- */
-Blockly.FieldVariable.prototype.configure_ = function(config) {
-  Blockly.FieldVariable.superClass_.configure_.call(this, config);
-  this.setTypes_(config['variableTypes'], config['defaultType']);
-};
-
-/**
- * Initialize the model for this field if it has not already been initialized.
- * If the value has not been set to a variable by the first render, we make up a
- * variable rather than let the value be invalid.
- * @package
- */
-Blockly.FieldVariable.prototype.initModel = function() {
-  if (this.variable_) {
-    return; // Initialization already happened.
-  }
-  var variable = Blockly.Variables.getOrCreateVariablePackage(
-      this.sourceBlock_.workspace, null,
-      this.defaultVariableName, this.defaultType_);
-
-  // Don't call setValue because we don't want to cause a rerender.
-  this.doValueUpdate_(variable.getId());
-};
-
-/**
- * @override
- */
-Blockly.FieldVariable.prototype.shouldAddBorderRect_ = function() {
-  return Blockly.FieldVariable.superClass_.shouldAddBorderRect_.call(this) &&
-    (!this.getConstants().FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW ||
-        this.sourceBlock_.type != 'variables_get');
-};
-
-/**
- * Initialize this field based on the given XML.
- * @param {!Element} fieldElement The element containing information about the
- *    variable field's state.
- */
-Blockly.FieldVariable.prototype.fromXml = function(fieldElement) {
-  var id = fieldElement.getAttribute('id');
-  var variableName = fieldElement.textContent;
-  // 'variabletype' should be lowercase, but until July 2019 it was sometimes
-  // recorded as 'variableType'.  Thus we need to check for both.
-  var variableType = fieldElement.getAttribute('variabletype') ||
-      fieldElement.getAttribute('variableType') || '';
-
-  var variable = Blockly.Variables.getOrCreateVariablePackage(
-      this.sourceBlock_.workspace, id, variableName, variableType);
-
-  // This should never happen :)
-  if (variableType != null && variableType !== variable.type) {
-    throw Error('Serialized variable type with id \'' +
-      variable.getId() + '\' had type ' + variable.type + ', and ' +
-      'does not match variable field that references it: ' +
-      Blockly.Xml.domToText(fieldElement) + '.');
-  }
-
-  this.setValue(variable.getId());
-};
-
-/**
- * Serialize this field to XML.
- * @param {!Element} fieldElement The element to populate with info about the
- *    field's state.
- * @return {!Element} The element containing info about the field's state.
- */
-Blockly.FieldVariable.prototype.toXml = function(fieldElement) {
-  // Make sure the variable is initialized.
-  this.initModel();
-
-  fieldElement.id = this.variable_.getId();
-  fieldElement.textContent = this.variable_.name;
-  if (this.variable_.type) {
-    fieldElement.setAttribute('variabletype', this.variable_.type);
-  }
-  return fieldElement;
-};
-
-/**
- * Attach this field to a block.
- * @param {!Blockly.Block} block The block containing this field.
- */
-Blockly.FieldVariable.prototype.setSourceBlock = function(block) {
-  if (block.isShadow()) {
-    throw Error('Variable fields are not allowed to exist on shadow blocks.');
-  }
-  Blockly.FieldVariable.superClass_.setSourceBlock.call(this, block);
-};
-
-/**
- * Get the variable's ID.
- * @return {string} Current variable's ID.
- */
-Blockly.FieldVariable.prototype.getValue = function() {
-  return this.variable_ ? this.variable_.getId() : null;
-};
-
-/**
- * Get the text from this field, which is the selected variable's name.
- * @return {string} The selected variable's name, or the empty string if no
- *     variable is selected.
- */
-Blockly.FieldVariable.prototype.getText = function() {
-  return this.variable_ ? this.variable_.name : '';
-};
-
-/**
- * Get the variable model for the selected variable.
- * Not guaranteed to be in the variable map on the workspace (e.g. if accessed
- * after the variable has been deleted).
- * @return {Blockly.VariableModel} The selected variable, or null if none was
- *     selected.
- * @package
- */
-Blockly.FieldVariable.prototype.getVariable = function() {
-  return this.variable_;
-};
-
-/**
- * Gets the validation function for this field, or null if not set.
- * Returns null if the variable is not set, because validators should not
- * run on the initial setValue call, because the field won't be attached to
- * a block and workspace at that point.
- * @return {Function} Validation function, or null.
- */
-Blockly.FieldVariable.prototype.getValidator = function() {
-  // Validators shouldn't operate on the initial setValue call.
-  // Normally this is achieved by calling setValidator after setValue, but
-  // this is not a possibility with variable fields.
-  if (this.variable_) {
-    return this.validator_;
-  }
-  return null;
-};
-
-/**
- * Ensure that the id belongs to a valid variable of an allowed type.
- * @param {*=} opt_newValue The id of the new variable to set.
- * @return {?string} The validated id, or null if invalid.
- * @protected
- */
-Blockly.FieldVariable.prototype.doClassValidation_ = function(opt_newValue) {
-  if (opt_newValue === null) {
-    return null;
-  }
-  var newId = /** @type {string} */ (opt_newValue);
-  var variable = Blockly.Variables.getVariable(
-      this.sourceBlock_.workspace, newId);
-  if (!variable) {
-    console.warn('Variable id doesn\'t point to a real variable! ' +
-        'ID was ' + newId);
-    return null;
-  }
-  // Type Checks.
-  var type = variable.type;
-  if (!this.typeIsAllowed_(type)) {
-    console.warn('Variable type doesn\'t match this field!  Type was ' + type);
-    return null;
-  }
-  return newId;
-};
-
-/**
- * Update the value of this variable field, as well as its variable and text.
- *
- * The variable ID should be valid at this point, but if a variable field
- * validator returns a bad ID, this could break.
- * @param {*} newId The value to be saved.
- * @protected
- */
-Blockly.FieldVariable.prototype.doValueUpdate_ = function(newId) {
-  this.variable_ = Blockly.Variables.getVariable(
-      this.sourceBlock_.workspace, /** @type {string} */ (newId));
-  Blockly.FieldVariable.superClass_.doValueUpdate_.call(this, newId);
-};
-
-/**
- * Check whether the given variable type is allowed on this field.
- * @param {string} type The type to check.
- * @return {boolean} True if the type is in the list of allowed types.
- * @private
- */
-Blockly.FieldVariable.prototype.typeIsAllowed_ = function(type) {
-  var typeList = this.getVariableTypes_();
-  if (!typeList) {
-    return true; // If it's null, all types are valid.
-  }
-  for (var i = 0; i < typeList.length; i++) {
-    if (type == typeList[i]) {
-      return true;
-    }
-  }
-  return false;
-};
-
-/**
- * Return a list of variable types to include in the dropdown.
- * @return {!Array.<string>} Array of variable types.
- * @throws {Error} if variableTypes is an empty array.
- * @private
- */
-Blockly.FieldVariable.prototype.getVariableTypes_ = function() {
-  // TODO (#1513): Try to avoid calling this every time the field is edited.
-  var variableTypes = this.variableTypes;
-  if (variableTypes === null) {
-    // If variableTypes is null, return all variable types.
-    if (this.sourceBlock_ && this.sourceBlock_.workspace) {
-      return this.sourceBlock_.workspace.getVariableTypes();
-    }
-  }
-  variableTypes = variableTypes || [''];
-  if (variableTypes.length == 0) {
-    // Throw an error if variableTypes is an empty list.
-    var name = this.getText();
-    throw Error('\'variableTypes\' of field variable ' +
-      name + ' was an empty list');
-  }
-  return variableTypes;
-};
-
-/**
- * Parse the optional arguments representing the allowed variable types and the
- * default variable type.
- * @param {Array.<string>=} opt_variableTypes A list of the types of variables
- *     to include in the dropdown.  If null or undefined, variables of all types
- *     will be displayed in the dropdown.
- * @param {string=} opt_defaultType The type of the variable to create if this
- *     field's value is not explicitly set.  Defaults to ''.
- * @private
- */
-Blockly.FieldVariable.prototype.setTypes_ = function(opt_variableTypes,
-    opt_defaultType) {
-  // If you expected that the default type would be the same as the only entry
-  // in the variable types array, tell the Blockly team by commenting on #1499.
-  var defaultType = opt_defaultType || '';
-  // Set the allowable variable types.  Null means all types on the workspace.
-  if (opt_variableTypes == null || opt_variableTypes == undefined) {
-    var variableTypes = null;
-  } else if (Array.isArray(opt_variableTypes)) {
-    var variableTypes = opt_variableTypes;
-    // Make sure the default type is valid.
-    var isInArray = false;
-    for (var i = 0; i < variableTypes.length; i++) {
-      if (variableTypes[i] == defaultType) {
-        isInArray = true;
-      }
-    }
-    if (!isInArray) {
-      throw Error('Invalid default type \'' + defaultType + '\' in ' +
-          'the definition of a FieldVariable');
-    }
-  } else {
-    throw Error('\'variableTypes\' was not an array in the definition of ' +
-        'a FieldVariable');
-  }
-  // Only update the field once all checks pass.
-  this.defaultType_ = defaultType;
-  this.variableTypes = variableTypes;
-};
-
-/**
- * Refreshes the name of the variable by grabbing the name of the model.
- * Used when a variable gets renamed, but the ID stays the same. Should only
- * be called by the block.
- * @package
- */
-Blockly.FieldVariable.prototype.refreshVariableName = function() {
-  this.forceRerender();
-};
-
-/**
- * Return a sorted list of variable names for variable dropdown menus.
- * Include a special option at the end for creating a new variable name.
- * @return {!Array.<!Array>} Array of variable names/id tuples.
- * @this {Blockly.FieldVariable}
- */
-Blockly.FieldVariable.dropdownCreate = function() {
-  if (!this.variable_) {
-    throw Error('Tried to call dropdownCreate on a variable field with no' +
-        ' variable selected.');
-  }
-  var name = this.getText();
-  var variableModelList = [];
-  if (this.sourceBlock_ && this.sourceBlock_.workspace) {
-    var variableTypes = this.getVariableTypes_();
-    // Get a copy of the list, so that adding rename and new variable options
-    // doesn't modify the workspace's list.
-    for (var i = 0; i < variableTypes.length; i++) {
-      var variableType = variableTypes[i];
-      var variables =
-        this.sourceBlock_.workspace.getVariablesOfType(variableType);
-      variableModelList = variableModelList.concat(variables);
-    }
-  }
-  variableModelList.sort(Blockly.VariableModel.compareByName);
-
-  var options = [];
-  for (var i = 0; i < variableModelList.length; i++) {
-    // Set the UUID as the internal representation of the variable.
-    options[i] = [variableModelList[i].name, variableModelList[i].getId()];
-  }
-  options.push([Blockly.Msg['RENAME_VARIABLE'], Blockly.RENAME_VARIABLE_ID]);
-  if (Blockly.Msg['DELETE_VARIABLE']) {
-    options.push(
-        [
-          Blockly.Msg['DELETE_VARIABLE'].replace('%1', name),
-          Blockly.DELETE_VARIABLE_ID
-        ]
-    );
-  }
-
-  return options;
-};
-
-/**
- * Handle the selection of an item in the variable dropdown menu.
- * Special case the 'Rename variable...' and 'Delete variable...' options.
- * In the rename case, prompt the user for a new name.
- * @param {!Blockly.Menu} menu The Menu component clicked.
- * @param {!Blockly.MenuItem} menuItem The MenuItem selected within menu.
- * @protected
- */
-Blockly.FieldVariable.prototype.onItemSelected_ = function(menu, menuItem) {
-  var id = menuItem.getValue();
-  // Handle special cases.
-  if (this.sourceBlock_ && this.sourceBlock_.workspace) {
-    if (id == Blockly.RENAME_VARIABLE_ID) {
-      // Rename variable.
-      Blockly.Variables.renameVariable(
-          this.sourceBlock_.workspace, this.variable_);
-      return;
-    } else if (id == Blockly.DELETE_VARIABLE_ID) {
-      // Delete variable.
-      this.sourceBlock_.workspace.deleteVariableById(this.variable_.getId());
-      return;
-    }
-  }
-  // Handle unspecial case.
-  this.setValue(id);
-};
-
-/**
- * Overrides referencesVariables(), indicating this field refers to a variable.
- * @return {boolean} True.
- * @package
- * @override
- */
-Blockly.FieldVariable.prototype.referencesVariables = function() {
-  return true;
-};
-
-Blockly.fieldRegistry.register('field_variable', Blockly.FieldVariable);
diff --git a/core/field_variable.ts b/core/field_variable.ts
new file mode 100644
index 00000000000..539557256b6
--- /dev/null
+++ b/core/field_variable.ts
@@ -0,0 +1,623 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Variable input field.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.FieldVariable
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_block_change.js';
+
+import type {Block} from './block.js';
+import {Field, FieldConfig, UnattachedFieldError} from './field.js';
+import {
+  FieldDropdown,
+  FieldDropdownValidator,
+  MenuGenerator,
+  MenuOption,
+} from './field_dropdown.js';
+import * as fieldRegistry from './field_registry.js';
+import * as internalConstants from './internal_constants.js';
+import type {Menu} from './menu.js';
+import type {MenuItem} from './menuitem.js';
+import {Msg} from './msg.js';
+import * as parsing from './utils/parsing.js';
+import {Size} from './utils/size.js';
+import {VariableModel} from './variable_model.js';
+import * as Variables from './variables.js';
+import * as Xml from './xml.js';
+
+/**
+ * Class for a variable's dropdown field.
+ */
+export class FieldVariable extends FieldDropdown {
+  protected override menuGenerator_: MenuGenerator | undefined;
+  defaultVariableName: string;
+
+  /** The type of the default variable for this field. */
+  private defaultType = '';
+
+  /**
+   * All of the types of variables that will be available in this field's
+   * dropdown.
+   */
+  variableTypes: string[] | null = [];
+  protected override size_: Size;
+
+  /** The variable model associated with this field. */
+  private variable: VariableModel | null = null;
+
+  /**
+   * Serializable fields are saved by the serializer, non-serializable fields
+   * are not. Editable fields should also be serializable.
+   */
+  override SERIALIZABLE = true;
+
+  /**
+   * @param varName The default name for the variable.
+   *     If null, a unique variable name will be generated.
+   *     Also accepts Field.SKIP_SETUP if you wish to skip setup (only used by
+   * subclasses that want to handle configuration and setting the field value
+   * after their own constructors have run).
+   * @param validator A function that is called to validate changes to the
+   *     field's value. Takes in a variable ID  & returns a validated variable
+   *     ID, or null to abort the change.
+   * @param variableTypes A list of the types of variables to include in the
+   *     dropdown. Will only be used if config is not provided.
+   * @param defaultType The type of variable to create if this field's value
+   *     is not explicitly set.  Defaults to ''. Will only be used if config
+   *     is not provided.
+   * @param config A map of options used to configure the field.
+   *    See the [field creation documentation]{@link
+   * https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/variable#creation}
+   * for a list of properties this parameter supports.
+   */
+  constructor(
+    varName: string | null | typeof Field.SKIP_SETUP,
+    validator?: FieldVariableValidator,
+    variableTypes?: string[],
+    defaultType?: string,
+    config?: FieldVariableConfig,
+  ) {
+    super(Field.SKIP_SETUP);
+
+    /**
+     * An array of options for a dropdown list,
+     * or a function which generates these options.
+     */
+    this.menuGenerator_ = FieldVariable.dropdownCreate as MenuGenerator;
+
+    /**
+     * The initial variable name passed to this field's constructor, or an
+     * empty string if a name wasn't provided. Used to create the initial
+     * variable.
+     */
+    this.defaultVariableName = typeof varName === 'string' ? varName : '';
+
+    /** The size of the area rendered by the field. */
+    this.size_ = new Size(0, 0);
+
+    if (varName === Field.SKIP_SETUP) return;
+
+    if (config) {
+      this.configure_(config);
+    } else {
+      this.setTypes(variableTypes, defaultType);
+    }
+    if (validator) {
+      this.setValidator(validator);
+    }
+  }
+
+  /**
+   * Configure the field based on the given map of options.
+   *
+   * @param config A map of options to configure the field based on.
+   */
+  protected override configure_(config: FieldVariableConfig) {
+    super.configure_(config);
+    this.setTypes(config.variableTypes, config.defaultType);
+  }
+
+  /**
+   * Initialize the model for this field if it has not already been initialized.
+   * If the value has not been set to a variable by the first render, we make up
+   * a variable rather than let the value be invalid.
+   */
+  override initModel() {
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+    if (this.variable) {
+      return; // Initialization already happened.
+    }
+    const variable = Variables.getOrCreateVariablePackage(
+      block.workspace,
+      null,
+      this.defaultVariableName,
+      this.defaultType,
+    );
+    // Don't call setValue because we don't want to cause a rerender.
+    this.doValueUpdate_(variable.getId());
+  }
+
+  override shouldAddBorderRect_() {
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+    return (
+      super.shouldAddBorderRect_() &&
+      (!this.getConstants()!.FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW ||
+        block.type !== 'variables_get')
+    );
+  }
+
+  /**
+   * Initialize this field based on the given XML.
+   *
+   * @param fieldElement The element containing information about the variable
+   *     field's state.
+   */
+  override fromXml(fieldElement: Element) {
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+    const id = fieldElement.getAttribute('id');
+    const variableName = fieldElement.textContent;
+    // 'variabletype' should be lowercase, but until July 2019 it was sometimes
+    // recorded as 'variableType'.  Thus we need to check for both.
+    const variableType =
+      fieldElement.getAttribute('variabletype') ||
+      fieldElement.getAttribute('variableType') ||
+      '';
+
+    // AnyDuringMigration because:  Argument of type 'string | null' is not
+    // assignable to parameter of type 'string | undefined'.
+    const variable = Variables.getOrCreateVariablePackage(
+      block.workspace,
+      id,
+      variableName as AnyDuringMigration,
+      variableType,
+    );
+
+    // This should never happen :)
+    if (variableType !== null && variableType !== variable.type) {
+      throw Error(
+        "Serialized variable type with id '" +
+          variable.getId() +
+          "' had type " +
+          variable.type +
+          ', and ' +
+          'does not match variable field that references it: ' +
+          Xml.domToText(fieldElement) +
+          '.',
+      );
+    }
+
+    this.setValue(variable.getId());
+  }
+
+  /**
+   * Serialize this field to XML.
+   *
+   * @param fieldElement The element to populate with info about the field's
+   *     state.
+   * @returns The element containing info about the field's state.
+   */
+  override toXml(fieldElement: Element): Element {
+    // Make sure the variable is initialized.
+    this.initModel();
+
+    fieldElement.id = this.variable!.getId();
+    fieldElement.textContent = this.variable!.name;
+    if (this.variable!.type) {
+      fieldElement.setAttribute('variabletype', this.variable!.type);
+    }
+    return fieldElement;
+  }
+
+  /**
+   * Saves this field's value.
+   *
+   * @param doFullSerialization If true, the variable field will serialize the
+   *     full state of the field being referenced (ie ID, name, and type) rather
+   *     than just a reference to it (ie ID).
+   * @returns The state of the variable field.
+   * @internal
+   */
+  override saveState(doFullSerialization?: boolean): AnyDuringMigration {
+    const legacyState = this.saveLegacyState(FieldVariable);
+    if (legacyState !== null) {
+      return legacyState;
+    }
+    // Make sure the variable is initialized.
+    this.initModel();
+    const state = {'id': this.variable!.getId()};
+    if (doFullSerialization) {
+      (state as AnyDuringMigration)['name'] = this.variable!.name;
+      (state as AnyDuringMigration)['type'] = this.variable!.type;
+    }
+    return state;
+  }
+
+  /**
+   * Sets the field's value based on the given state.
+   *
+   * @param state The state of the variable to assign to this variable field.
+   * @internal
+   */
+  override loadState(state: AnyDuringMigration) {
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+    if (this.loadLegacyState(FieldVariable, state)) {
+      return;
+    }
+    // This is necessary so that blocks in the flyout can have custom var names.
+    const variable = Variables.getOrCreateVariablePackage(
+      block.workspace,
+      state['id'] || null,
+      state['name'],
+      state['type'] || '',
+    );
+    this.setValue(variable.getId());
+  }
+
+  /**
+   * Attach this field to a block.
+   *
+   * @param block The block containing this field.
+   */
+  override setSourceBlock(block: Block) {
+    if (block.isShadow()) {
+      throw Error('Variable fields are not allowed to exist on shadow blocks.');
+    }
+    super.setSourceBlock(block);
+  }
+
+  /**
+   * Get the variable's ID.
+   *
+   * @returns Current variable's ID.
+   */
+  override getValue(): string | null {
+    return this.variable ? this.variable.getId() : null;
+  }
+
+  /**
+   * Get the text from this field, which is the selected variable's name.
+   *
+   * @returns The selected variable's name, or the empty string if no variable
+   *     is selected.
+   */
+  override getText(): string {
+    return this.variable ? this.variable.name : '';
+  }
+
+  /**
+   * Get the variable model for the selected variable.
+   * Not guaranteed to be in the variable map on the workspace (e.g. if accessed
+   * after the variable has been deleted).
+   *
+   * @returns The selected variable, or null if none was selected.
+   * @internal
+   */
+  getVariable(): VariableModel | null {
+    return this.variable;
+  }
+
+  /**
+   * Gets the validation function for this field, or null if not set.
+   * Returns null if the variable is not set, because validators should not
+   * run on the initial setValue call, because the field won't be attached to
+   * a block and workspace at that point.
+   *
+   * @returns Validation function, or null.
+   */
+  override getValidator(): FieldVariableValidator | null {
+    // Validators shouldn't operate on the initial setValue call.
+    // Normally this is achieved by calling setValidator after setValue, but
+    // this is not a possibility with variable fields.
+    if (this.variable) {
+      return this.validator_;
+    }
+    return null;
+  }
+
+  /**
+   * Ensure that the ID belongs to a valid variable of an allowed type.
+   *
+   * @param newValue The ID of the new variable to set.
+   * @returns The validated ID, or null if invalid.
+   */
+  protected override doClassValidation_(
+    newValue?: AnyDuringMigration,
+  ): string | null {
+    if (newValue === null) {
+      return null;
+    }
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+    const newId = newValue as string;
+    const variable = Variables.getVariable(block.workspace, newId);
+    if (!variable) {
+      console.warn(
+        "Variable id doesn't point to a real variable! " + 'ID was ' + newId,
+      );
+      return null;
+    }
+    // Type Checks.
+    const type = variable.type;
+    if (!this.typeIsAllowed(type)) {
+      console.warn("Variable type doesn't match this field!  Type was " + type);
+      return null;
+    }
+    return newId;
+  }
+
+  /**
+   * Update the value of this variable field, as well as its variable and text.
+   *
+   * The variable ID should be valid at this point, but if a variable field
+   * validator returns a bad ID, this could break.
+   *
+   * @param newId The value to be saved.
+   */
+  protected override doValueUpdate_(newId: string) {
+    const block = this.getSourceBlock();
+    if (!block) {
+      throw new UnattachedFieldError();
+    }
+    this.variable = Variables.getVariable(block.workspace, newId as string);
+    super.doValueUpdate_(newId);
+  }
+
+  /**
+   * Check whether the given variable type is allowed on this field.
+   *
+   * @param type The type to check.
+   * @returns True if the type is in the list of allowed types.
+   */
+  private typeIsAllowed(type: string): boolean {
+    const typeList = this.getVariableTypes();
+    if (!typeList) {
+      return true; // If it's null, all types are valid.
+    }
+    for (let i = 0; i < typeList.length; i++) {
+      if (type === typeList[i]) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  /**
+   * Return a list of variable types to include in the dropdown.
+   *
+   * @returns Array of variable types.
+   * @throws {Error} if variableTypes is an empty array.
+   */
+  private getVariableTypes(): string[] {
+    let variableTypes = this.variableTypes;
+    if (variableTypes === null) {
+      // If variableTypes is null, return all variable types.
+      if (this.sourceBlock_ && !this.sourceBlock_.isDeadOrDying()) {
+        return this.sourceBlock_.workspace.getVariableTypes();
+      }
+    }
+    variableTypes = variableTypes || [''];
+    if (variableTypes.length === 0) {
+      // Throw an error if variableTypes is an empty list.
+      const name = this.getText();
+      throw Error(
+        "'variableTypes' of field variable " + name + ' was an empty list',
+      );
+    }
+    return variableTypes;
+  }
+
+  /**
+   * Parse the optional arguments representing the allowed variable types and
+   * the default variable type.
+   *
+   * @param variableTypes A list of the types of variables to include in the
+   *     dropdown.  If null or undefined, variables of all types will be
+   *     displayed in the dropdown.
+   * @param defaultType The type of the variable to create if this field's
+   *     value is not explicitly set.  Defaults to ''.
+   */
+  private setTypes(variableTypes: string[] | null = null, defaultType = '') {
+    // If you expected that the default type would be the same as the only entry
+    // in the variable types array, tell the Blockly team by commenting on
+    // #1499.
+    // Set the allowable variable types.  Null means all types on the workspace.
+    if (Array.isArray(variableTypes)) {
+      // Make sure the default type is valid.
+      let isInArray = false;
+      for (let i = 0; i < variableTypes.length; i++) {
+        if (variableTypes[i] === defaultType) {
+          isInArray = true;
+        }
+      }
+      if (!isInArray) {
+        throw Error(
+          "Invalid default type '" +
+            defaultType +
+            "' in " +
+            'the definition of a FieldVariable',
+        );
+      }
+    } else if (variableTypes !== null) {
+      throw Error(
+        "'variableTypes' was not an array in the definition of " +
+          'a FieldVariable',
+      );
+    }
+    // Only update the field once all checks pass.
+    this.defaultType = defaultType;
+    this.variableTypes = variableTypes;
+  }
+
+  /**
+   * Refreshes the name of the variable by grabbing the name of the model.
+   * Used when a variable gets renamed, but the ID stays the same. Should only
+   * be called by the block.
+   *
+   * @internal
+   */
+  override refreshVariableName() {
+    this.forceRerender();
+  }
+
+  /**
+   * Handle the selection of an item in the variable dropdown menu.
+   * Special case the 'Rename variable...' and 'Delete variable...' options.
+   * In the rename case, prompt the user for a new name.
+   *
+   * @param menu The Menu component clicked.
+   * @param menuItem The MenuItem selected within menu.
+   */
+  protected override onItemSelected_(menu: Menu, menuItem: MenuItem) {
+    const id = menuItem.getValue();
+    // Handle special cases.
+    if (this.sourceBlock_ && !this.sourceBlock_.isDeadOrDying()) {
+      if (id === internalConstants.RENAME_VARIABLE_ID) {
+        // Rename variable.
+        Variables.renameVariable(
+          this.sourceBlock_.workspace,
+          this.variable as VariableModel,
+        );
+        return;
+      } else if (id === internalConstants.DELETE_VARIABLE_ID) {
+        // Delete variable.
+        this.sourceBlock_.workspace.deleteVariableById(this.variable!.getId());
+        return;
+      }
+    }
+    // Handle unspecial case.
+    this.setValue(id);
+  }
+
+  /**
+   * Overrides referencesVariables(), indicating this field refers to a
+   * variable.
+   *
+   * @returns True.
+   * @internal
+   */
+  override referencesVariables(): boolean {
+    return true;
+  }
+
+  /**
+   * Construct a FieldVariable from a JSON arg object,
+   * dereferencing any string table references.
+   *
+   * @param options A JSON object with options (variable, variableTypes, and
+   *     defaultType).
+   * @returns The new field instance.
+   * @nocollapse
+   * @internal
+   */
+  static override fromJson(
+    options: FieldVariableFromJsonConfig,
+  ): FieldVariable {
+    const varName = parsing.replaceMessageReferences(options.variable);
+    // `this` might be a subclass of FieldVariable if that class doesn't
+    // override the static fromJson method.
+    return new this(varName, undefined, undefined, undefined, options);
+  }
+
+  /**
+   * Return a sorted list of variable names for variable dropdown menus.
+   * Include a special option at the end for creating a new variable name.
+   *
+   * @returns Array of variable names/id tuples.
+   */
+  static dropdownCreate(this: FieldVariable): MenuOption[] {
+    if (!this.variable) {
+      throw Error(
+        'Tried to call dropdownCreate on a variable field with no' +
+          ' variable selected.',
+      );
+    }
+    const name = this.getText();
+    let variableModelList: VariableModel[] = [];
+    if (this.sourceBlock_ && !this.sourceBlock_.isDeadOrDying()) {
+      const variableTypes = this.getVariableTypes();
+      // Get a copy of the list, so that adding rename and new variable options
+      // doesn't modify the workspace's list.
+      for (let i = 0; i < variableTypes.length; i++) {
+        const variableType = variableTypes[i];
+        const variables =
+          this.sourceBlock_.workspace.getVariablesOfType(variableType);
+        variableModelList = variableModelList.concat(variables);
+      }
+    }
+    variableModelList.sort(VariableModel.compareByName);
+
+    const options: [string, string][] = [];
+    for (let i = 0; i < variableModelList.length; i++) {
+      // Set the UUID as the internal representation of the variable.
+      options[i] = [variableModelList[i].name, variableModelList[i].getId()];
+    }
+    options.push([
+      Msg['RENAME_VARIABLE'],
+      internalConstants.RENAME_VARIABLE_ID,
+    ]);
+    if (Msg['DELETE_VARIABLE']) {
+      options.push([
+        Msg['DELETE_VARIABLE'].replace('%1', name),
+        internalConstants.DELETE_VARIABLE_ID,
+      ]);
+    }
+
+    return options;
+  }
+}
+
+fieldRegistry.register('field_variable', FieldVariable);
+
+/**
+ * Config options for the variable field.
+ */
+export interface FieldVariableConfig extends FieldConfig {
+  variableTypes?: string[];
+  defaultType?: string;
+}
+
+/**
+ * fromJson config options for the variable field.
+ */
+export interface FieldVariableFromJsonConfig extends FieldVariableConfig {
+  variable?: string;
+}
+
+/**
+ * A function that is called to validate changes to the field's value before
+ * they are set.
+ *
+ * @see {@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/validators#return_values}
+ * @param newValue The value to be validated.
+ * @returns One of three instructions for setting the new value: `T`, `null`,
+ * or `undefined`.
+ *
+ * - `T` to set this function's returned value instead of `newValue`.
+ *
+ * - `null` to invoke `doValueInvalid_` and not set a value.
+ *
+ * - `undefined` to set `newValue` as is.
+ */
+export type FieldVariableValidator = FieldDropdownValidator;
diff --git a/core/flyout_base.js b/core/flyout_base.js
deleted file mode 100644
index e1361460d5f..00000000000
--- a/core/flyout_base.js
+++ /dev/null
@@ -1,1071 +0,0 @@
-/**
- * @license
- * Copyright 2011 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Flyout tray containing blocks which may be created.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Flyout');
-
-goog.require('Blockly.Block');
-goog.require('Blockly.blockRendering');
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockCreate');
-goog.require('Blockly.Events.VarCreate');
-goog.require('Blockly.FlyoutCursor');
-goog.require('Blockly.Gesture');
-goog.require('Blockly.Marker');
-goog.require('Blockly.Scrollbar');
-goog.require('Blockly.Tooltip');
-goog.require('Blockly.Touch');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.utils.toolbox');
-goog.require('Blockly.WorkspaceSvg');
-goog.require('Blockly.Xml');
-
-goog.requireType('Blockly.IBlocklyActionable');
-goog.requireType('Blockly.IDeleteArea');
-goog.requireType('Blockly.IFlyout');
-goog.requireType('Blockly.utils.Metrics');
-
-
-/**
- * Class for a flyout.
- * @param {!Blockly.Options} workspaceOptions Dictionary of options for the
- *     workspace.
- * @constructor
- * @abstract
- * @implements {Blockly.IBlocklyActionable}
- * @implements {Blockly.IDeleteArea}
- * @implements {Blockly.IFlyout}
- */
-Blockly.Flyout = function(workspaceOptions) {
-  workspaceOptions.getMetrics =
-    /** @type {function():!Blockly.utils.Metrics} */ (
-      this.getMetrics_.bind(this));
-  workspaceOptions.setMetrics = this.setMetrics_.bind(this);
-
-  /**
-   * @type {!Blockly.WorkspaceSvg}
-   * @protected
-   */
-  this.workspace_ = new Blockly.WorkspaceSvg(workspaceOptions);
-  this.workspace_.isFlyout = true;
-  // Keep the workspace visibility consistent with the flyout's visibility.
-  this.workspace_.setVisible(this.isVisible_);
-
-  /**
-   * Is RTL vs LTR.
-   * @type {boolean}
-   */
-  this.RTL = !!workspaceOptions.RTL;
-
-  /**
-   * Whether the flyout should be laid out horizontally or not.
-   * @type {boolean}
-   * @package
-   */
-  this.horizontalLayout = false;
-
-  /**
-   * Position of the toolbox and flyout relative to the workspace.
-   * @type {number}
-   * @protected
-   */
-  this.toolboxPosition_ = workspaceOptions.toolboxPosition;
-
-  /**
-   * Opaque data that can be passed to Blockly.unbindEvent_.
-   * @type {!Array.<!Array>}
-   * @private
-   */
-  this.eventWrappers_ = [];
-
-  /**
-   * List of background mats that lurk behind each block to catch clicks
-   * landing in the blocks' lakes and bays.
-   * @type {!Array.<!SVGElement>}
-   * @private
-   */
-  this.mats_ = [];
-
-  /**
-   * List of visible buttons.
-   * @type {!Array.<!Blockly.FlyoutButton>}
-   * @protected
-   */
-  this.buttons_ = [];
-
-  /**
-   * List of event listeners.
-   * @type {!Array.<!Array>}
-   * @private
-   */
-  this.listeners_ = [];
-
-  /**
-   * List of blocks that should always be disabled.
-   * @type {!Array.<!Blockly.Block>}
-   * @private
-   */
-  this.permanentlyDisabled_ = [];
-
-  /**
-   * Width of output tab.
-   * @type {number}
-   * @protected
-   * @const
-   */
-  this.tabWidth_ = this.workspace_.getRenderer().getConstants().TAB_WIDTH;
-
-  /**
-   * The target workspace
-   * @type {?Blockly.WorkspaceSvg}
-   * @package
-   */
-  this.targetWorkspace = null;
-};
-
-/**
- * Does the flyout automatically close when a block is created?
- * @type {boolean}
- */
-Blockly.Flyout.prototype.autoClose = true;
-
-/**
- * Whether the flyout is visible.
- * @type {boolean}
- * @private
- */
-Blockly.Flyout.prototype.isVisible_ = false;
-
-/**
- * Whether the workspace containing this flyout is visible.
- * @type {boolean}
- * @private
- */
-Blockly.Flyout.prototype.containerVisible_ = true;
-
-/**
- * Corner radius of the flyout background.
- * @type {number}
- * @const
- */
-Blockly.Flyout.prototype.CORNER_RADIUS = 8;
-
-/**
- * Margin around the edges of the blocks in the flyout.
- * @type {number}
- * @const
- */
-Blockly.Flyout.prototype.MARGIN = Blockly.Flyout.prototype.CORNER_RADIUS;
-
-// TODO: Move GAP_X and GAP_Y to their appropriate files.
-
-/**
- * Gap between items in horizontal flyouts. Can be overridden with the "sep"
- * element.
- * @const {number}
- */
-Blockly.Flyout.prototype.GAP_X = Blockly.Flyout.prototype.MARGIN * 3;
-
-/**
- * Gap between items in vertical flyouts. Can be overridden with the "sep"
- * element.
- * @const {number}
- */
-Blockly.Flyout.prototype.GAP_Y = Blockly.Flyout.prototype.MARGIN * 3;
-
-/**
- * Top/bottom padding between scrollbar and edge of flyout background.
- * @type {number}
- * @const
- */
-Blockly.Flyout.prototype.SCROLLBAR_PADDING = 2;
-
-/**
- * Width of flyout.
- * @type {number}
- * @protected
- */
-Blockly.Flyout.prototype.width_ = 0;
-
-/**
- * Height of flyout.
- * @type {number}
- * @protected
- */
-Blockly.Flyout.prototype.height_ = 0;
-
-/**
- * Range of a drag angle from a flyout considered "dragging toward workspace".
- * Drags that are within the bounds of this many degrees from the orthogonal
- * line to the flyout edge are considered to be "drags toward the workspace".
- * Example:
- * Flyout                                                  Edge   Workspace
- * [block] /  <-within this angle, drags "toward workspace" |
- * [block] ---- orthogonal to flyout boundary ----          |
- * [block] \                                                |
- * The angle is given in degrees from the orthogonal.
- *
- * This is used to know when to create a new block and when to scroll the
- * flyout. Setting it to 360 means that all drags create a new block.
- * @type {number}
- * @protected
-*/
-Blockly.Flyout.prototype.dragAngleRange_ = 70;
-
-/**
- * Creates the flyout's DOM.  Only needs to be called once.  The flyout can
- * either exist as its own svg element or be a g element nested inside a
- * separate svg element.
- * @param {string|
- * !Blockly.utils.Svg<!SVGSVGElement>|
- * !Blockly.utils.Svg<!SVGGElement>} tagName The type of tag to
- *     put the flyout in. This should be <svg> or <g>.
- * @return {!SVGElement} The flyout's SVG group.
- */
-Blockly.Flyout.prototype.createDom = function(tagName) {
-  /*
-  <svg | g>
-    <path class="blocklyFlyoutBackground"/>
-    <g class="blocklyFlyout"></g>
-  </ svg | g>
-  */
-  // Setting style to display:none to start. The toolbox and flyout
-  // hide/show code will set up proper visibility and size later.
-  this.svgGroup_ = Blockly.utils.dom.createSvgElement(tagName,
-      {'class': 'blocklyFlyout', 'style': 'display: none'}, null);
-  this.svgBackground_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH,
-      {'class': 'blocklyFlyoutBackground'}, this.svgGroup_);
-  this.svgGroup_.appendChild(this.workspace_.createDom());
-  this.workspace_.getThemeManager().subscribe(
-      this.svgBackground_, 'flyoutBackgroundColour', 'fill');
-  this.workspace_.getThemeManager().subscribe(
-      this.svgBackground_, 'flyoutOpacity', 'fill-opacity');
-  this.workspace_.getMarkerManager().setCursor(new Blockly.FlyoutCursor());
-  return this.svgGroup_;
-};
-
-/**
- * Initializes the flyout.
- * @param {!Blockly.WorkspaceSvg} targetWorkspace The workspace in which to
- *     create new blocks.
- */
-Blockly.Flyout.prototype.init = function(targetWorkspace) {
-  this.targetWorkspace = targetWorkspace;
-  this.workspace_.targetWorkspace = targetWorkspace;
-
-  /**
-   * @type {!Blockly.Scrollbar}
-   * @package
-   */
-  this.scrollbar = new Blockly.Scrollbar(this.workspace_,
-      this.horizontalLayout, false, 'blocklyFlyoutScrollbar');
-
-  this.hide();
-
-  Array.prototype.push.apply(this.eventWrappers_,
-      Blockly.bindEventWithChecks_(this.svgGroup_, 'wheel', this, this.wheel_));
-  if (!this.autoClose) {
-    this.filterWrapper_ = this.filterForCapacity_.bind(this);
-    this.targetWorkspace.addChangeListener(this.filterWrapper_);
-  }
-
-  // Dragging the flyout up and down.
-  Array.prototype.push.apply(this.eventWrappers_,
-      Blockly.bindEventWithChecks_(
-          this.svgBackground_, 'mousedown', this, this.onMouseDown_));
-
-  // A flyout connected to a workspace doesn't have its own current gesture.
-  this.workspace_.getGesture =
-      this.targetWorkspace.getGesture.bind(this.targetWorkspace);
-
-  // Get variables from the main workspace rather than the target workspace.
-  this.workspace_.setVariableMap(this.targetWorkspace.getVariableMap());
-
-  this.workspace_.createPotentialVariableMap();
-};
-
-/**
- * Dispose of this flyout.
- * Unlink from all DOM elements to prevent memory leaks.
- * @suppress {checkTypes}
- */
-Blockly.Flyout.prototype.dispose = function() {
-  this.hide();
-  Blockly.unbindEvent_(this.eventWrappers_);
-  if (this.filterWrapper_) {
-    this.targetWorkspace.removeChangeListener(this.filterWrapper_);
-    this.filterWrapper_ = null;
-  }
-  if (this.scrollbar) {
-    this.scrollbar.dispose();
-    this.scrollbar = null;
-  }
-  if (this.workspace_) {
-    this.workspace_.getThemeManager().unsubscribe(this.svgBackground_);
-    this.workspace_.targetWorkspace = null;
-    this.workspace_.dispose();
-    this.workspace_ = null;
-  }
-  if (this.svgGroup_) {
-    Blockly.utils.dom.removeNode(this.svgGroup_);
-    this.svgGroup_ = null;
-  }
-  this.svgBackground_ = null;
-  this.targetWorkspace = null;
-};
-
-/**
- * Get the width of the flyout.
- * @return {number} The width of the flyout.
- */
-Blockly.Flyout.prototype.getWidth = function() {
-  return this.width_;
-};
-
-/**
- * Get the height of the flyout.
- * @return {number} The width of the flyout.
- */
-Blockly.Flyout.prototype.getHeight = function() {
-  return this.height_;
-};
-
-/**
- * Get the workspace inside the flyout.
- * @return {!Blockly.WorkspaceSvg} The workspace inside the flyout.
- * @package
- */
-Blockly.Flyout.prototype.getWorkspace = function() {
-  return this.workspace_;
-};
-
-/**
- * Is the flyout visible?
- * @return {boolean} True if visible.
- */
-Blockly.Flyout.prototype.isVisible = function() {
-  return this.isVisible_;
-};
-
-/**
- * Set whether the flyout is visible. A value of true does not necessarily mean
- * that the flyout is shown. It could be hidden because its container is hidden.
- * @param {boolean} visible True if visible.
- */
-Blockly.Flyout.prototype.setVisible = function(visible) {
-  var visibilityChanged = (visible != this.isVisible());
-
-  this.isVisible_ = visible;
-  if (visibilityChanged) {
-    this.updateDisplay_();
-  }
-};
-
-/**
- * Set whether this flyout's container is visible.
- * @param {boolean} visible Whether the container is visible.
- */
-Blockly.Flyout.prototype.setContainerVisible = function(visible) {
-  var visibilityChanged = (visible != this.containerVisible_);
-  this.containerVisible_ = visible;
-  if (visibilityChanged) {
-    this.updateDisplay_();
-  }
-};
-
-/**
- * Update the display property of the flyout based whether it thinks it should
- * be visible and whether its containing workspace is visible.
- * @private
- */
-Blockly.Flyout.prototype.updateDisplay_ = function() {
-  var show = true;
-  if (!this.containerVisible_) {
-    show = false;
-  } else {
-    show = this.isVisible();
-  }
-  this.svgGroup_.style.display = show ? 'block' : 'none';
-  // Update the scrollbar's visibility too since it should mimic the
-  // flyout's visibility.
-  this.scrollbar.setContainerVisible(show);
-};
-
-/**
- * Update the view based on coordinates calculated in position().
- * @param {number} width The computed width of the flyout's SVG group
- * @param {number} height The computed height of the flyout's SVG group.
- * @param {number} x The computed x origin of the flyout's SVG group.
- * @param {number} y The computed y origin of the flyout's SVG group.
- * @protected
- */
-Blockly.Flyout.prototype.positionAt_ = function(width, height, x, y) {
-  this.svgGroup_.setAttribute("width", width);
-  this.svgGroup_.setAttribute("height", height);
-  if (this.svgGroup_.tagName == 'svg') {
-    var transform = 'translate(' + x + 'px,' + y + 'px)';
-    Blockly.utils.dom.setCssTransform(this.svgGroup_, transform);
-  } else {
-    // IE and Edge don't support CSS transforms on SVG elements so
-    // it's important to set the transform on the SVG element itself
-    var transform = 'translate(' + x + ',' + y + ')';
-    this.svgGroup_.setAttribute("transform", transform);
-  }
-
-  // Update the scrollbar (if one exists).
-  if (this.scrollbar) {
-    // Set the scrollbars origin to be the top left of the flyout.
-    this.scrollbar.setOrigin(x, y);
-    this.scrollbar.resize();
-    // Set the position again so that if the metrics were the same (and the
-    // resize failed) our position is still updated.
-    this.scrollbar.setPosition(
-        this.scrollbar.position.x, this.scrollbar.position.y);
-  }
-};
-
-/**
- * Hide and empty the flyout.
- */
-Blockly.Flyout.prototype.hide = function() {
-  if (!this.isVisible()) {
-    return;
-  }
-  this.setVisible(false);
-  // Delete all the event listeners.
-  for (var i = 0, listen; (listen = this.listeners_[i]); i++) {
-    Blockly.unbindEvent_(listen);
-  }
-  this.listeners_.length = 0;
-  if (this.reflowWrapper_) {
-    this.workspace_.removeChangeListener(this.reflowWrapper_);
-    this.reflowWrapper_ = null;
-  }
-  // Do NOT delete the blocks here.  Wait until Flyout.show.
-  // https://neil.fraser.name/news/2014/08/09/
-};
-
-/**
- * Show and populate the flyout.
- * @param {!Blockly.utils.toolbox.FlyoutDefinition|string} flyoutDef Contents to display
- *     in the flyout. This is either an array of Nodes, a NodeList, a
- *     toolbox definition, or a string with the name of the dynamic category.
- */
-Blockly.Flyout.prototype.show = function(flyoutDef) {
-  this.workspace_.setResizesEnabled(false);
-  this.hide();
-  this.clearOldBlocks_();
-
-  // Handle dynamic categories, represented by a name instead of a list.
-  if (typeof flyoutDef == 'string') {
-    flyoutDef = this.getDynamicCategoryContents_(flyoutDef);
-  }
-  this.setVisible(true);
-
-  // Parse the Array, Node or NodeList into a a list of flyout items.
-  var parsedContent = Blockly.utils.toolbox.convertFlyoutDefToJsonArray(flyoutDef);
-  var flyoutInfo =
-    /** @type {{contents:!Array.<!Object>, gaps:!Array.<number>}} */ (
-      this.createFlyoutInfo_(parsedContent));
-
-  this.layout_(flyoutInfo.contents, flyoutInfo.gaps);
-
-  // IE 11 is an incompetent browser that fails to fire mouseout events.
-  // When the mouse is over the background, deselect all blocks.
-  var deselectAll = function() {
-    var topBlocks = this.workspace_.getTopBlocks(false);
-    for (var i = 0, block; (block = topBlocks[i]); i++) {
-      block.removeSelect();
-    }
-  };
-
-  this.listeners_.push(Blockly.bindEventWithChecks_(this.svgBackground_,
-      'mouseover', this, deselectAll));
-
-  if (this.horizontalLayout) {
-    this.height_ = 0;
-  } else {
-    this.width_ = 0;
-  }
-  this.workspace_.setResizesEnabled(true);
-  this.reflow();
-
-  this.filterForCapacity_();
-
-  // Correctly position the flyout's scrollbar when it opens.
-  this.position();
-
-  this.reflowWrapper_ = this.reflow.bind(this);
-  this.workspace_.addChangeListener(this.reflowWrapper_);
-};
-
-/**
- * Create the contents array and gaps array necessary to create the layout for
- * the flyout.
- * @param {!Blockly.utils.toolbox.FlyoutItemInfoArray} parsedContent The array
- *     of objects to show in the flyout.
- * @return {{contents:Array.<Object>, gaps:Array.<number>}} The list of contents
- *     and gaps needed to lay out the flyout.
- * @private
- */
-Blockly.Flyout.prototype.createFlyoutInfo_ = function(parsedContent) {
-  var contents = [];
-  var gaps = [];
-  this.permanentlyDisabled_.length = 0;
-  var defaultGap = this.horizontalLayout ? this.GAP_X : this.GAP_Y;
-  for (var i = 0, contentInfo; (contentInfo = parsedContent[i]); i++) {
-
-    if (contentInfo['custom']) {
-      var customInfo = /** @type {!Blockly.utils.toolbox.DynamicCategoryInfo} */ (contentInfo);
-      var categoryName = customInfo['custom'];
-      var flyoutDef = this.getDynamicCategoryContents_(categoryName);
-      var parsedDynamicContent = /** @type {!Blockly.utils.toolbox.FlyoutItemInfoArray} */
-        (Blockly.utils.toolbox.convertFlyoutDefToJsonArray(flyoutDef));
-      parsedContent.splice.apply(parsedContent, [i, 1].concat(parsedDynamicContent));
-      contentInfo = parsedContent[i];
-    }
-
-    switch (contentInfo['kind'].toUpperCase()) {
-      case 'BLOCK':
-        var blockInfo = /** @type {!Blockly.utils.toolbox.BlockInfo} */ (contentInfo);
-        var blockXml = this.getBlockXml_(blockInfo);
-        var block = this.createBlock_(blockXml);
-        // This is a deprecated method for adding gap to a block.
-        // <block type="math_arithmetic" gap="8"></block>
-        var gap = parseInt(blockInfo['gap'] || blockXml.getAttribute('gap'), 10);
-        gaps.push(isNaN(gap) ? defaultGap : gap);
-        contents.push({type: 'block', block: block});
-        break;
-      case 'SEP':
-        var sepInfo = /** @type {!Blockly.utils.toolbox.SeparatorInfo} */ (contentInfo);
-        this.addSeparatorGap_(sepInfo, gaps, defaultGap);
-        break;
-      case 'LABEL':
-        var labelInfo = /** @type {!Blockly.utils.toolbox.LabelInfo} */ (contentInfo);
-        // A label is a button with different styling.
-        var label = this.createButton_(labelInfo, /** isLabel */ true);
-        contents.push({type: 'button', button: label});
-        gaps.push(defaultGap);
-        break;
-      case 'BUTTON':
-        var buttonInfo = /** @type {!Blockly.utils.toolbox.ButtonInfo} */ (contentInfo);
-        var button = this.createButton_(buttonInfo, /** isLabel */ false);
-        contents.push({type: 'button', button: button});
-        gaps.push(defaultGap);
-        break;
-    }
-  }
-  return {contents: contents, gaps: gaps};
-};
-
-/**
- * Gets the flyout definition for the dynamic category.
- * @param {string} categoryName The name of the dynamic category.
- * @return {!Array.<!Element>} The array of flyout items.
- * @private
- */
-Blockly.Flyout.prototype.getDynamicCategoryContents_ = function(categoryName) {
-  // Look up the correct category generation function and call that to get a
-  // valid XML list.
-  var fnToApply = this.workspace_.targetWorkspace.getToolboxCategoryCallback(
-      categoryName);
-  if (typeof fnToApply != 'function') {
-    throw TypeError('Couldn\'t find a callback function when opening' +
-        ' a toolbox category.');
-  }
-  var flyoutDef = fnToApply(this.workspace_.targetWorkspace);
-  if (!Array.isArray(flyoutDef)) {
-    throw new TypeError('Result of toolbox category callback must be an array.');
-  }
-  return flyoutDef;
-};
-
-/**
- * Creates a flyout button or a flyout label.
- * @param {!Blockly.utils.toolbox.ButtonOrLabelInfo} btnInfo
- *    The object holding information about a button or a label.
- * @param {boolean} isLabel True if the button is a label, false otherwise.
- * @return {!Blockly.FlyoutButton} The object used to display the button in the
- *    flyout.
- * @private
- */
-Blockly.Flyout.prototype.createButton_ = function(btnInfo, isLabel) {
-  if (!Blockly.FlyoutButton) {
-    throw Error('Missing require for Blockly.FlyoutButton');
-  }
-  var curButton = new Blockly.FlyoutButton(this.workspace_,
-      /** @type {!Blockly.WorkspaceSvg} */ (this.targetWorkspace), btnInfo,
-      isLabel);
-  return curButton;
-};
-
-/**
- * Create a block from the xml and permanently disable any blocks that were
- * defined as disabled.
- * @param {!Element} blockXml The xml of the block.
- * @return {!Blockly.BlockSvg} The block created from the blockXml.
- * @private
- */
-Blockly.Flyout.prototype.createBlock_ = function(blockXml) {
-  var curBlock = /** @type {!Blockly.BlockSvg} */ (
-    Blockly.Xml.domToBlock(blockXml, this.workspace_));
-  if (!curBlock.isEnabled()) {
-    // Record blocks that were initially disabled.
-    // Do not enable these blocks as a result of capacity filtering.
-    this.permanentlyDisabled_.push(curBlock);
-  }
-  return curBlock;
-};
-
-/**
- * Get the xml from the block info object.
- * @param {!Blockly.utils.toolbox.BlockInfo}  blockInfo The object holding
- *    information about a block.
- * @return {!Element} The xml for the block.
- * @throws {Error} if the xml is not a valid block definition.
- * @private
- */
-Blockly.Flyout.prototype.getBlockXml_ = function(blockInfo) {
-  var blockElement = null;
-  var blockXml = blockInfo['blockxml'];
-
-  if (blockXml && typeof blockXml != 'string') {
-    blockElement = blockXml;
-  } else if (blockXml && typeof blockXml == 'string') {
-    blockElement = Blockly.Xml.textToDom(blockXml);
-    blockInfo['blockxml'] = blockElement;
-  } else if (blockInfo['type']) {
-    blockElement = Blockly.utils.xml.createElement('xml');
-    blockElement.setAttribute('type', blockInfo['type']);
-    blockElement.setAttribute('disabled', blockInfo['disabled']);
-    blockInfo['blockxml'] = blockElement;
-  }
-
-  if (!blockElement) {
-    throw Error('Error: Invalid block definition. Block definition must have blockxml or type.');
-  }
-  return blockElement;
-};
-
-/**
- * Add the necessary gap in the flyout for a separator.
- * @param {!Blockly.utils.toolbox.SeparatorInfo} sepInfo The object holding
- *    information about a separator.
- * @param {!Array.<number>} gaps The list gaps between items in the flyout.
- * @param {number} defaultGap The default gap between the button and next element.
- * @private
- */
-Blockly.Flyout.prototype.addSeparatorGap_ = function(sepInfo, gaps, defaultGap) {
-  // Change the gap between two toolbox elements.
-  // <sep gap="36"></sep>
-  // The default gap is 24, can be set larger or smaller.
-  // This overwrites the gap attribute on the previous element.
-  var newGap = parseInt(sepInfo['gap'], 10);
-  // Ignore gaps before the first block.
-  if (!isNaN(newGap) && gaps.length > 0) {
-    gaps[gaps.length - 1] = newGap;
-  } else {
-    gaps.push(defaultGap);
-  }
-};
-
-/**
- * Delete blocks, mats and buttons from a previous showing of the flyout.
- * @private
- */
-Blockly.Flyout.prototype.clearOldBlocks_ = function() {
-  // Delete any blocks from a previous showing.
-  var oldBlocks = this.workspace_.getTopBlocks(false);
-  for (var i = 0, block; (block = oldBlocks[i]); i++) {
-    if (block.workspace == this.workspace_) {
-      block.dispose(false, false);
-    }
-  }
-  // Delete any mats from a previous showing.
-  for (var j = 0; j < this.mats_.length; j++) {
-    var rect = this.mats_[j];
-    if (rect) {
-      Blockly.Tooltip.unbindMouseEvents(rect);
-      Blockly.utils.dom.removeNode(rect);
-    }
-  }
-  this.mats_.length = 0;
-  // Delete any buttons from a previous showing.
-  for (var i = 0, button; (button = this.buttons_[i]); i++) {
-    button.dispose();
-  }
-  this.buttons_.length = 0;
-
-  // Clear potential variables from the previous showing.
-  this.workspace_.getPotentialVariableMap().clear();
-};
-
-/**
- * Add listeners to a block that has been added to the flyout.
- * @param {!SVGElement} root The root node of the SVG group the block is in.
- * @param {!Blockly.BlockSvg} block The block to add listeners for.
- * @param {!SVGElement} rect The invisible rectangle under the block that acts
- *     as a mat for that block.
- * @protected
- */
-Blockly.Flyout.prototype.addBlockListeners_ = function(root, block, rect) {
-  this.listeners_.push(Blockly.bindEventWithChecks_(root, 'mousedown', null,
-      this.blockMouseDown_(block)));
-  this.listeners_.push(Blockly.bindEventWithChecks_(rect, 'mousedown', null,
-      this.blockMouseDown_(block)));
-  this.listeners_.push(Blockly.bindEvent_(root, 'mouseenter', block,
-      block.addSelect));
-  this.listeners_.push(Blockly.bindEvent_(root, 'mouseleave', block,
-      block.removeSelect));
-  this.listeners_.push(Blockly.bindEvent_(rect, 'mouseenter', block,
-      block.addSelect));
-  this.listeners_.push(Blockly.bindEvent_(rect, 'mouseleave', block,
-      block.removeSelect));
-};
-
-/**
- * Handle a mouse-down on an SVG block in a non-closing flyout.
- * @param {!Blockly.BlockSvg} block The flyout block to copy.
- * @return {!Function} Function to call when block is clicked.
- * @private
- */
-Blockly.Flyout.prototype.blockMouseDown_ = function(block) {
-  var flyout = this;
-  return function(e) {
-    var gesture = flyout.targetWorkspace.getGesture(e);
-    if (gesture) {
-      gesture.setStartBlock(block);
-      gesture.handleFlyoutStart(e, flyout);
-    }
-  };
-};
-
-/**
- * Mouse down on the flyout background.  Start a vertical scroll drag.
- * @param {!Event} e Mouse down event.
- * @private
- */
-Blockly.Flyout.prototype.onMouseDown_ = function(e) {
-  var gesture = this.targetWorkspace.getGesture(e);
-  if (gesture) {
-    gesture.handleFlyoutStart(e, this);
-  }
-};
-
-/**
- * Does this flyout allow you to create a new instance of the given block?
- * Used for deciding if a block can be "dragged out of" the flyout.
- * @param {!Blockly.BlockSvg} block The block to copy from the flyout.
- * @return {boolean} True if you can create a new instance of the block, false
- *    otherwise.
- * @package
- */
-Blockly.Flyout.prototype.isBlockCreatable_ = function(block) {
-  return block.isEnabled();
-};
-
-/**
- * Create a copy of this block on the workspace.
- * @param {!Blockly.BlockSvg} originalBlock The block to copy from the flyout.
- * @return {!Blockly.BlockSvg} The newly created block.
- * @throws {Error} if something went wrong with deserialization.
- * @package
- */
-Blockly.Flyout.prototype.createBlock = function(originalBlock) {
-  var newBlock = null;
-  Blockly.Events.disable();
-  var variablesBeforeCreation = this.targetWorkspace.getAllVariables();
-  this.targetWorkspace.setResizesEnabled(false);
-  try {
-    newBlock = this.placeNewBlock_(originalBlock);
-  } finally {
-    Blockly.Events.enable();
-  }
-
-  // Close the flyout.
-  Blockly.hideChaff();
-
-  var newVariables = Blockly.Variables.getAddedVariables(this.targetWorkspace,
-      variablesBeforeCreation);
-
-  if (Blockly.Events.isEnabled()) {
-    Blockly.Events.setGroup(true);
-    // Fire a VarCreate event for each (if any) new variable created.
-    for (var i = 0; i < newVariables.length; i++) {
-      var thisVariable = newVariables[i];
-      Blockly.Events.fire(new Blockly.Events.VarCreate(thisVariable));
-    }
-
-    // Block events come after var events, in case they refer to newly created
-    // variables.
-    Blockly.Events.fire(new Blockly.Events.Create(newBlock));
-  }
-  if (this.autoClose) {
-    this.hide();
-  } else {
-    this.filterForCapacity_();
-  }
-  return newBlock;
-};
-
-/**
- * Initialize the given button: move it to the correct location,
- * add listeners, etc.
- * @param {!Blockly.FlyoutButton} button The button to initialize and place.
- * @param {number} x The x position of the cursor during this layout pass.
- * @param {number} y The y position of the cursor during this layout pass.
- * @protected
- */
-Blockly.Flyout.prototype.initFlyoutButton_ = function(button, x, y) {
-  var buttonSvg = button.createDom();
-  button.moveTo(x, y);
-  button.show();
-  // Clicking on a flyout button or label is a lot like clicking on the
-  // flyout background.
-  this.listeners_.push(
-      Blockly.bindEventWithChecks_(
-          buttonSvg, 'mousedown', this, this.onMouseDown_));
-
-  this.buttons_.push(button);
-};
-
-/**
- * Create and place a rectangle corresponding to the given block.
- * @param {!Blockly.BlockSvg} block The block to associate the rect to.
- * @param {number} x The x position of the cursor during this layout pass.
- * @param {number} y The y position of the cursor during this layout pass.
- * @param {!{height: number, width: number}} blockHW The height and width of the
- *     block.
- * @param {number} index The index into the mats list where this rect should be
- *     placed.
- * @return {!SVGElement} Newly created SVG element for the rectangle behind the
- *     block.
- * @protected
- */
-Blockly.Flyout.prototype.createRect_ = function(block, x, y, blockHW, index) {
-  // Create an invisible rectangle under the block to act as a button.  Just
-  // using the block as a button is poor, since blocks have holes in them.
-  var rect = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'fill-opacity': 0,
-        'x': x,
-        'y': y,
-        'height': blockHW.height,
-        'width': blockHW.width
-      }, null);
-  rect.tooltip = block;
-  Blockly.Tooltip.bindMouseEvents(rect);
-  // Add the rectangles under the blocks, so that the blocks' tooltips work.
-  this.workspace_.getCanvas().insertBefore(rect, block.getSvgRoot());
-
-  block.flyoutRect_ = rect;
-  this.mats_[index] = rect;
-  return rect;
-};
-
-/**
- * Move a rectangle to sit exactly behind a block, taking into account tabs,
- * hats, and any other protrusions we invent.
- * @param {!SVGElement} rect The rectangle to move directly behind the block.
- * @param {!Blockly.BlockSvg} block The block the rectangle should be behind.
- * @protected
- */
-Blockly.Flyout.prototype.moveRectToBlock_ = function(rect, block) {
-  var blockHW = block.getHeightWidth();
-  rect.setAttribute('width', blockHW.width);
-  rect.setAttribute('height', blockHW.height);
-
-  var blockXY = block.getRelativeToSurfaceXY();
-  rect.setAttribute('y', blockXY.y);
-  rect.setAttribute('x', this.RTL ? blockXY.x - blockHW.width : blockXY.x);
-};
-
-/**
- * Filter the blocks on the flyout to disable the ones that are above the
- * capacity limit.  For instance, if the user may only place two more blocks on
- * the workspace, an "a + b" block that has two shadow blocks would be disabled.
- * @private
- */
-Blockly.Flyout.prototype.filterForCapacity_ = function() {
-  var blocks = this.workspace_.getTopBlocks(false);
-  for (var i = 0, block; (block = blocks[i]); i++) {
-    if (this.permanentlyDisabled_.indexOf(block) == -1) {
-      var enable = this.targetWorkspace
-          .isCapacityAvailable(Blockly.utils.getBlockTypeCounts(block));
-      while (block) {
-        block.setEnabled(enable);
-        block = block.getNextBlock();
-      }
-    }
-  }
-};
-
-/**
- * Reflow blocks and their mats.
- */
-Blockly.Flyout.prototype.reflow = function() {
-  if (this.reflowWrapper_) {
-    this.workspace_.removeChangeListener(this.reflowWrapper_);
-  }
-  this.reflowInternal_();
-  if (this.reflowWrapper_) {
-    this.workspace_.addChangeListener(this.reflowWrapper_);
-  }
-};
-
-/**
- * @return {boolean} True if this flyout may be scrolled with a scrollbar or by
- *     dragging.
- * @package
- */
-Blockly.Flyout.prototype.isScrollable = function() {
-  return this.scrollbar ? this.scrollbar.isVisible() : false;
-};
-
-/**
- * Copy a block from the flyout to the workspace and position it correctly.
- * @param {!Blockly.BlockSvg} oldBlock The flyout block to copy.
- * @return {!Blockly.BlockSvg} The new block in the main workspace.
- * @private
- */
-Blockly.Flyout.prototype.placeNewBlock_ = function(oldBlock) {
-  var targetWorkspace = this.targetWorkspace;
-  var svgRootOld = oldBlock.getSvgRoot();
-  if (!svgRootOld) {
-    throw Error('oldBlock is not rendered.');
-  }
-
-  // Create the new block by cloning the block in the flyout (via XML).
-  // This cast assumes that the oldBlock can not be an insertion marker.
-  var xml = /** @type {!Element} */ (Blockly.Xml.blockToDom(oldBlock, true));
-  // The target workspace would normally resize during domToBlock, which will
-  // lead to weird jumps.  Save it for terminateDrag.
-  targetWorkspace.setResizesEnabled(false);
-
-  // Using domToBlock instead of domToWorkspace means that the new block will be
-  // placed at position (0, 0) in main workspace units.
-  var block = /** @type {!Blockly.BlockSvg} */
-      (Blockly.Xml.domToBlock(xml, targetWorkspace));
-  var svgRootNew = block.getSvgRoot();
-  if (!svgRootNew) {
-    throw Error('block is not rendered.');
-  }
-
-  // The offset in pixels between the main workspace's origin and the upper left
-  // corner of the injection div.
-  var mainOffsetPixels = targetWorkspace.getOriginOffsetInPixels();
-
-  // The offset in pixels between the flyout workspace's origin and the upper
-  // left corner of the injection div.
-  var flyoutOffsetPixels = this.workspace_.getOriginOffsetInPixels();
-
-  // The position of the old block in flyout workspace coordinates.
-  var oldBlockPos = oldBlock.getRelativeToSurfaceXY();
-  // The position of the old block in pixels relative to the flyout
-  // workspace's origin.
-  oldBlockPos.scale(this.workspace_.scale);
-
-  // The position of the old block in pixels relative to the upper left corner
-  // of the injection div.
-  var oldBlockOffsetPixels = Blockly.utils.Coordinate.sum(flyoutOffsetPixels,
-      oldBlockPos);
-
-  // The position of the old block in pixels relative to the origin of the
-  // main workspace.
-  var finalOffset = Blockly.utils.Coordinate.difference(oldBlockOffsetPixels,
-      mainOffsetPixels);
-  // The position of the old block in main workspace coordinates.
-  finalOffset.scale(1 / targetWorkspace.scale);
-
-  block.moveBy(finalOffset.x, finalOffset.y);
-  return block;
-};
-
-/**
- * Handles the given action.
- * This is only triggered when keyboard accessibility mode is enabled.
- * @param {!Blockly.Action} action The action to be handled.
- * @return {boolean} True if the flyout handled the action, false otherwise.
- * @package
- */
-Blockly.Flyout.prototype.onBlocklyAction = function(action) {
-  var cursor = this.workspace_.getCursor();
-  return cursor.onBlocklyAction(action);
-};
-
-/**
- * Return the deletion rectangle for this flyout in viewport coordinates.
- * @return {Blockly.utils.Rect} Rectangle in which to delete.
- */
-Blockly.Flyout.prototype.getClientRect;
-
-/**
- * Position the flyout.
- * @return {void}
- */
-Blockly.Flyout.prototype.position;
-
-/**
- * Determine if a drag delta is toward the workspace, based on the position
- * and orientation of the flyout. This is used in determineDragIntention_ to
- * determine if a new block should be created or if the flyout should scroll.
- * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
- *     moved from the position at mouse down, in pixel units.
- * @return {boolean} True if the drag is toward the workspace.
- * @package
- */
-Blockly.Flyout.prototype.isDragTowardWorkspace;
-
-/**
- * Return an object with all the metrics required to size scrollbars for the
- * flyout.
- * @return {Blockly.utils.Metrics} Contains size and position metrics of the
- *     flyout.
- * @protected
- */
-Blockly.Flyout.prototype.getMetrics_;
-
-/**
- * Sets the translation of the flyout to match the scrollbars.
- * @param {!{x:number,y:number}} xyRatio Contains a y property which is a float
- *     between 0 and 1 specifying the degree of scrolling and a
- *     similar x property.
- * @protected
- */
-Blockly.Flyout.prototype.setMetrics_;
-
-/**
- * Lay out the blocks in the flyout.
- * @param {!Array.<!Object>} contents The blocks and buttons to lay out.
- * @param {!Array.<number>} gaps The visible gaps between blocks.
- * @protected
- */
-Blockly.Flyout.prototype.layout_;
-
-/**
- * Scroll the flyout.
- * @param {!Event} e Mouse wheel scroll event.
- * @protected
- */
-Blockly.Flyout.prototype.wheel_;
-
-/**
- * Compute height of flyout.  Position mat under each block.
- * For RTL: Lay out the blocks right-aligned.
- * @return {void}
- * @protected
- */
-Blockly.Flyout.prototype.reflowInternal_;
diff --git a/core/flyout_base.ts b/core/flyout_base.ts
new file mode 100644
index 00000000000..18f84480c5d
--- /dev/null
+++ b/core/flyout_base.ts
@@ -0,0 +1,1375 @@
+/**
+ * @license
+ * Copyright 2011 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Flyout tray containing blocks which may be created.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Flyout
+
+import type {Abstract as AbstractEvent} from './events/events_abstract.js';
+import type {Block} from './block.js';
+import {BlockSvg} from './block_svg.js';
+import * as browserEvents from './browser_events.js';
+import * as common from './common.js';
+import {ComponentManager} from './component_manager.js';
+import {DeleteArea} from './delete_area.js';
+import * as eventUtils from './events/utils.js';
+import {FlyoutButton} from './flyout_button.js';
+import {FlyoutMetricsManager} from './flyout_metrics_manager.js';
+import type {IFlyout} from './interfaces/i_flyout.js';
+import {MANUALLY_DISABLED} from './constants.js';
+import type {Options} from './options.js';
+import {ScrollbarPair} from './scrollbar_pair.js';
+import * as blocks from './serialization/blocks.js';
+import * as Tooltip from './tooltip.js';
+import {Coordinate} from './utils/coordinate.js';
+import * as dom from './utils/dom.js';
+import * as idGenerator from './utils/idgenerator.js';
+import {Svg} from './utils/svg.js';
+import * as toolbox from './utils/toolbox.js';
+import * as Variables from './variables.js';
+import {WorkspaceSvg} from './workspace_svg.js';
+import * as utilsXml from './utils/xml.js';
+import * as Xml from './xml.js';
+import * as renderManagement from './render_management.js';
+import {IAutoHideable} from './interfaces/i_autohideable.js';
+
+enum FlyoutItemType {
+  BLOCK = 'block',
+  BUTTON = 'button',
+}
+
+/**
+ * The language-neutral ID for when the reason why a block is disabled is
+ * because the workspace is at block capacity.
+ */
+const WORKSPACE_AT_BLOCK_CAPACITY_DISABLED_REASON =
+  'WORKSPACE_AT_BLOCK_CAPACITY';
+
+/**
+ * Class for a flyout.
+ */
+export abstract class Flyout
+  extends DeleteArea
+  implements IAutoHideable, IFlyout
+{
+  /**
+   * Position the flyout.
+   */
+  abstract position(): void;
+
+  /**
+   * Determine if a drag delta is toward the workspace, based on the position
+   * and orientation of the flyout. This is used in determineDragIntention_ to
+   * determine if a new block should be created or if the flyout should scroll.
+   *
+   * @param currentDragDeltaXY How far the pointer has
+   *     moved from the position at mouse down, in pixel units.
+   * @returns True if the drag is toward the workspace.
+   */
+  abstract isDragTowardWorkspace(currentDragDeltaXY: Coordinate): boolean;
+
+  /**
+   * Sets the translation of the flyout to match the scrollbars.
+   *
+   * @param xyRatio Contains a y property which is a float
+   *     between 0 and 1 specifying the degree of scrolling and a
+   *     similar x property.
+   */
+  protected abstract setMetrics_(xyRatio: {x?: number; y?: number}): void;
+
+  /**
+   * Lay out the blocks in the flyout.
+   *
+   * @param contents The blocks and buttons to lay out.
+   * @param gaps The visible gaps between blocks.
+   */
+  protected abstract layout_(contents: FlyoutItem[], gaps: number[]): void;
+
+  /**
+   * Scroll the flyout.
+   *
+   * @param e Mouse wheel scroll event.
+   */
+  protected abstract wheel_(e: WheelEvent): void;
+
+  /**
+   * Compute height of flyout.  Position mat under each block.
+   * For RTL: Lay out the blocks right-aligned.
+   */
+  protected abstract reflowInternal_(): void;
+
+  /**
+   * Calculates the x coordinate for the flyout position.
+   *
+   * @returns X coordinate.
+   */
+  abstract getX(): number;
+
+  /**
+   * Calculates the y coordinate for the flyout position.
+   *
+   * @returns Y coordinate.
+   */
+  abstract getY(): number;
+
+  /**
+   * Scroll the flyout to the beginning of its contents.
+   */
+  abstract scrollToStart(): void;
+
+  /**
+   * The type of a flyout content item.
+   */
+  static FlyoutItemType = FlyoutItemType;
+
+  protected workspace_: WorkspaceSvg;
+  RTL: boolean;
+  /**
+   * Whether the flyout should be laid out horizontally or not.
+   *
+   * @internal
+   */
+  horizontalLayout = false;
+  protected toolboxPosition_: number;
+
+  /**
+   * Array holding info needed to unbind events.
+   * Used for disposing.
+   * Ex: [[node, name, func], [node, name, func]].
+   */
+  private boundEvents: browserEvents.Data[] = [];
+
+  /**
+   * Function that will be registered as a change listener on the workspace
+   * to reflow when blocks in the flyout workspace change.
+   */
+  private reflowWrapper: ((e: AbstractEvent) => void) | null = null;
+
+  /**
+   * Function that disables blocks in the flyout based on max block counts
+   * allowed in the target workspace. Registered as a change listener on the
+   * target workspace.
+   */
+  private filterWrapper: ((e: AbstractEvent) => void) | null = null;
+
+  /**
+   * List of background mats that lurk behind each block to catch clicks
+   * landing in the blocks' lakes and bays.
+   */
+  private mats: SVGElement[] = [];
+
+  /**
+   * List of visible buttons.
+   */
+  protected buttons_: FlyoutButton[] = [];
+
+  /**
+   * List of visible buttons and blocks.
+   */
+  protected contents: FlyoutItem[] = [];
+
+  /**
+   * List of event listeners.
+   */
+  private listeners: browserEvents.Data[] = [];
+
+  /**
+   * List of blocks that should always be disabled.
+   */
+  private permanentlyDisabled: Block[] = [];
+
+  protected readonly tabWidth_: number;
+
+  /**
+   * The target workspace.
+   *
+   * @internal
+   */
+  targetWorkspace!: WorkspaceSvg;
+
+  /**
+   * A list of blocks that can be reused.
+   */
+  private recycledBlocks: BlockSvg[] = [];
+
+  /**
+   * Does the flyout automatically close when a block is created?
+   */
+  autoClose = true;
+
+  /**
+   * Whether the flyout is visible.
+   */
+  private isVisible_ = false;
+
+  /**
+   * Whether the workspace containing this flyout is visible.
+   */
+  private containerVisible = true;
+  protected rectMap_: WeakMap<BlockSvg, SVGElement>;
+
+  /**
+   * Corner radius of the flyout background.
+   */
+  readonly CORNER_RADIUS: number = 8;
+  readonly MARGIN: number;
+  readonly GAP_X: number;
+  readonly GAP_Y: number;
+
+  /**
+   * Top/bottom padding between scrollbar and edge of flyout background.
+   */
+  readonly SCROLLBAR_MARGIN: number = 2.5;
+
+  /**
+   * Width of flyout.
+   */
+  protected width_ = 0;
+
+  /**
+   * Height of flyout.
+   */
+  protected height_ = 0;
+  // clang-format off
+  /**
+   * Range of a drag angle from a flyout considered "dragging toward
+   * workspace". Drags that are within the bounds of this many degrees from
+   * the orthogonal line to the flyout edge are considered to be "drags toward
+   * the workspace".
+   *
+   * @example
+   *
+   * ```
+   * Flyout                                                 Edge   Workspace
+   * [block] /  <-within this angle, drags "toward workspace" |
+   * [block] ---- orthogonal to flyout boundary ----          |
+   * [block] \                                                |
+   * ```
+   *
+   * The angle is given in degrees from the orthogonal.
+   *
+   * This is used to know when to create a new block and when to scroll the
+   * flyout. Setting it to 360 means that all drags create a new block.
+   */
+  // clang-format on
+  protected dragAngleRange_ = 70;
+
+  /**
+   * The path around the background of the flyout, which will be filled with a
+   * background colour.
+   */
+  protected svgBackground_: SVGPathElement | null = null;
+
+  /**
+   * The root SVG group for the button or label.
+   */
+  protected svgGroup_: SVGGElement | null = null;
+  /**
+   * @param workspaceOptions Dictionary of options for the
+   *     workspace.
+   */
+  constructor(workspaceOptions: Options) {
+    super();
+    workspaceOptions.setMetrics = this.setMetrics_.bind(this);
+
+    this.workspace_ = new WorkspaceSvg(workspaceOptions);
+    this.workspace_.setMetricsManager(
+      new FlyoutMetricsManager(this.workspace_, this),
+    );
+
+    this.workspace_.internalIsFlyout = true;
+    // Keep the workspace visibility consistent with the flyout's visibility.
+    this.workspace_.setVisible(this.isVisible_);
+
+    /**
+     * The unique id for this component that is used to register with the
+     * ComponentManager.
+     */
+    this.id = idGenerator.genUid();
+
+    /**
+     * Is RTL vs LTR.
+     */
+    this.RTL = !!workspaceOptions.RTL;
+
+    /**
+     * Position of the toolbox and flyout relative to the workspace.
+     */
+    this.toolboxPosition_ = workspaceOptions.toolboxPosition;
+
+    /**
+     * Width of output tab.
+     */
+    this.tabWidth_ = this.workspace_.getRenderer().getConstants().TAB_WIDTH;
+
+    /**
+     * A map from blocks to the rects which are beneath them to act as input
+     * targets.
+     *
+     * @internal
+     */
+    this.rectMap_ = new WeakMap();
+
+    /**
+     * Margin around the edges of the blocks in the flyout.
+     */
+    this.MARGIN = this.CORNER_RADIUS;
+
+    // TODO: Move GAP_X and GAP_Y to their appropriate files.
+    /**
+     * Gap between items in horizontal flyouts. Can be overridden with the "sep"
+     * element.
+     */
+    this.GAP_X = this.MARGIN * 3;
+
+    /**
+     * Gap between items in vertical flyouts. Can be overridden with the "sep"
+     * element.
+     */
+    this.GAP_Y = this.MARGIN * 3;
+  }
+
+  /**
+   * Creates the flyout's DOM.  Only needs to be called once.  The flyout can
+   * either exist as its own SVG element or be a g element nested inside a
+   * separate SVG element.
+   *
+   * @param tagName The type of tag to
+   *     put the flyout in. This should be <svg> or <g>.
+   * @returns The flyout's SVG group.
+   */
+  createDom(
+    tagName: string | Svg<SVGSVGElement> | Svg<SVGGElement>,
+  ): SVGElement {
+    /*
+        <svg | g>
+          <path class="blocklyFlyoutBackground"/>
+          <g class="blocklyFlyout"></g>
+        </ svg | g>
+        */
+    // Setting style to display:none to start. The toolbox and flyout
+    // hide/show code will set up proper visibility and size later.
+    this.svgGroup_ = dom.createSvgElement(tagName, {
+      'class': 'blocklyFlyout',
+    });
+    this.svgGroup_.style.display = 'none';
+    this.svgBackground_ = dom.createSvgElement(
+      Svg.PATH,
+      {'class': 'blocklyFlyoutBackground'},
+      this.svgGroup_,
+    );
+    this.svgGroup_.appendChild(this.workspace_.createDom());
+    this.workspace_
+      .getThemeManager()
+      .subscribe(this.svgBackground_, 'flyoutBackgroundColour', 'fill');
+    this.workspace_
+      .getThemeManager()
+      .subscribe(this.svgBackground_, 'flyoutOpacity', 'fill-opacity');
+    return this.svgGroup_;
+  }
+
+  /**
+   * Initializes the flyout.
+   *
+   * @param targetWorkspace The workspace in which to
+   *     create new blocks.
+   */
+  init(targetWorkspace: WorkspaceSvg) {
+    this.targetWorkspace = targetWorkspace;
+    this.workspace_.targetWorkspace = targetWorkspace;
+
+    this.workspace_.scrollbar = new ScrollbarPair(
+      this.workspace_,
+      this.horizontalLayout,
+      !this.horizontalLayout,
+      'blocklyFlyoutScrollbar',
+      this.SCROLLBAR_MARGIN,
+    );
+
+    this.hide();
+
+    this.boundEvents.push(
+      browserEvents.conditionalBind(
+        this.svgGroup_ as SVGGElement,
+        'wheel',
+        this,
+        this.wheel_,
+      ),
+    );
+    this.filterWrapper = this.filterForCapacity.bind(this);
+    this.targetWorkspace.addChangeListener(this.filterWrapper);
+
+    // Dragging the flyout up and down.
+    this.boundEvents.push(
+      browserEvents.conditionalBind(
+        this.svgBackground_ as SVGPathElement,
+        'pointerdown',
+        this,
+        this.onMouseDown,
+      ),
+    );
+
+    // A flyout connected to a workspace doesn't have its own current gesture.
+    this.workspace_.getGesture = this.targetWorkspace.getGesture.bind(
+      this.targetWorkspace,
+    );
+
+    // Get variables from the main workspace rather than the target workspace.
+    this.workspace_.setVariableMap(this.targetWorkspace.getVariableMap());
+
+    this.workspace_.createPotentialVariableMap();
+
+    targetWorkspace.getComponentManager().addComponent({
+      component: this,
+      weight: 1,
+      capabilities: [
+        ComponentManager.Capability.AUTOHIDEABLE,
+        ComponentManager.Capability.DELETE_AREA,
+        ComponentManager.Capability.DRAG_TARGET,
+      ],
+    });
+  }
+
+  /**
+   * Dispose of this flyout.
+   * Unlink from all DOM elements to prevent memory leaks.
+   */
+  dispose() {
+    this.hide();
+    this.targetWorkspace.getComponentManager().removeComponent(this.id);
+    for (const event of this.boundEvents) {
+      browserEvents.unbind(event);
+    }
+    this.boundEvents.length = 0;
+    if (this.filterWrapper) {
+      this.targetWorkspace.removeChangeListener(this.filterWrapper);
+    }
+    if (this.workspace_) {
+      this.workspace_.getThemeManager().unsubscribe(this.svgBackground_!);
+      this.workspace_.dispose();
+    }
+    if (this.svgGroup_) {
+      dom.removeNode(this.svgGroup_);
+    }
+  }
+
+  /**
+   * Get the width of the flyout.
+   *
+   * @returns The width of the flyout.
+   */
+  getWidth(): number {
+    return this.width_;
+  }
+
+  /**
+   * Get the height of the flyout.
+   *
+   * @returns The width of the flyout.
+   */
+  getHeight(): number {
+    return this.height_;
+  }
+
+  /**
+   * Get the scale (zoom level) of the flyout. By default,
+   * this matches the target workspace scale, but this can be overridden.
+   *
+   * @returns Flyout workspace scale.
+   */
+  getFlyoutScale(): number {
+    return this.targetWorkspace.scale;
+  }
+
+  /**
+   * Get the workspace inside the flyout.
+   *
+   * @returns The workspace inside the flyout.
+   */
+  getWorkspace(): WorkspaceSvg {
+    return this.workspace_;
+  }
+
+  /**
+   * Sets whether this flyout automatically closes when blocks are dragged out,
+   * the workspace is clicked, etc, or not.
+   */
+  setAutoClose(autoClose: boolean) {
+    this.autoClose = autoClose;
+    this.targetWorkspace.recordDragTargets();
+    this.targetWorkspace.resizeContents();
+  }
+
+  /** Automatically hides the flyout if it is an autoclosing flyout. */
+  autoHide(onlyClosePopups: boolean): void {
+    if (
+      !onlyClosePopups &&
+      this.targetWorkspace.getFlyout(true) === this &&
+      this.autoClose
+    )
+      this.hide();
+  }
+
+  /**
+   * Get the target workspace inside the flyout.
+   *
+   * @returns The target workspace inside the flyout.
+   */
+  getTargetWorkspace(): WorkspaceSvg {
+    return this.targetWorkspace;
+  }
+
+  /**
+   * Is the flyout visible?
+   *
+   * @returns True if visible.
+   */
+  isVisible(): boolean {
+    return this.isVisible_;
+  }
+
+  /**
+   * Set whether the flyout is visible. A value of true does not necessarily
+   * mean that the flyout is shown. It could be hidden because its container is
+   * hidden.
+   *
+   * @param visible True if visible.
+   */
+  setVisible(visible: boolean) {
+    const visibilityChanged = visible !== this.isVisible();
+
+    this.isVisible_ = visible;
+    if (visibilityChanged) {
+      if (!this.autoClose) {
+        // Auto-close flyouts are ignored as drag targets, so only non
+        // auto-close flyouts need to have their drag target updated.
+        this.targetWorkspace.recordDragTargets();
+      }
+      this.updateDisplay();
+    }
+  }
+
+  /**
+   * Set whether this flyout's container is visible.
+   *
+   * @param visible Whether the container is visible.
+   */
+  setContainerVisible(visible: boolean) {
+    const visibilityChanged = visible !== this.containerVisible;
+    this.containerVisible = visible;
+    if (visibilityChanged) {
+      this.updateDisplay();
+    }
+  }
+
+  /**
+   * Get the list of buttons and blocks of the current flyout.
+   *
+   * @returns The array of flyout buttons and blocks.
+   */
+  getContents(): FlyoutItem[] {
+    return this.contents;
+  }
+
+  /**
+   * Store the list of buttons and blocks on the flyout.
+   *
+   * @param contents - The array of items for the flyout.
+   */
+  setContents(contents: FlyoutItem[]): void {
+    this.contents = contents;
+  }
+  /**
+   * Update the display property of the flyout based whether it thinks it should
+   * be visible and whether its containing workspace is visible.
+   */
+  private updateDisplay() {
+    let show = true;
+    if (!this.containerVisible) {
+      show = false;
+    } else {
+      show = this.isVisible();
+    }
+    if (this.svgGroup_) {
+      this.svgGroup_.style.display = show ? 'block' : 'none';
+    }
+    // Update the scrollbar's visibility too since it should mimic the
+    // flyout's visibility.
+    this.workspace_.scrollbar?.setContainerVisible(show);
+  }
+
+  /**
+   * Update the view based on coordinates calculated in position().
+   *
+   * @param width The computed width of the flyout's SVG group
+   * @param height The computed height of the flyout's SVG group.
+   * @param x The computed x origin of the flyout's SVG group.
+   * @param y The computed y origin of the flyout's SVG group.
+   */
+  protected positionAt_(width: number, height: number, x: number, y: number) {
+    this.svgGroup_?.setAttribute('width', `${width}`);
+    this.svgGroup_?.setAttribute('height', `${height}`);
+    this.workspace_.setCachedParentSvgSize(width, height);
+
+    if (this.svgGroup_) {
+      const transform = 'translate(' + x + 'px,' + y + 'px)';
+      dom.setCssTransform(this.svgGroup_, transform);
+    }
+
+    // Update the scrollbar (if one exists).
+    const scrollbar = this.workspace_.scrollbar;
+    if (scrollbar) {
+      // Set the scrollbars origin to be the top left of the flyout.
+      scrollbar.setOrigin(x, y);
+      scrollbar.resize();
+      // If origin changed and metrics haven't changed enough to trigger
+      // reposition in resize, we need to call setPosition. See issue #4692.
+      if (scrollbar.hScroll) {
+        scrollbar.hScroll.setPosition(
+          scrollbar.hScroll.position.x,
+          scrollbar.hScroll.position.y,
+        );
+      }
+      if (scrollbar.vScroll) {
+        scrollbar.vScroll.setPosition(
+          scrollbar.vScroll.position.x,
+          scrollbar.vScroll.position.y,
+        );
+      }
+    }
+  }
+
+  /**
+   * Hide and empty the flyout.
+   */
+  hide() {
+    if (!this.isVisible()) {
+      return;
+    }
+    this.setVisible(false);
+    // Delete all the event listeners.
+    for (const listen of this.listeners) {
+      browserEvents.unbind(listen);
+    }
+    this.listeners.length = 0;
+    if (this.reflowWrapper) {
+      this.workspace_.removeChangeListener(this.reflowWrapper);
+      this.reflowWrapper = null;
+    }
+    // Do NOT delete the blocks here.  Wait until Flyout.show.
+    // https://neil.fraser.name/news/2014/08/09/
+  }
+
+  /**
+   * Show and populate the flyout.
+   *
+   * @param flyoutDef Contents to display
+   *     in the flyout. This is either an array of Nodes, a NodeList, a
+   *     toolbox definition, or a string with the name of the dynamic category.
+   */
+  show(flyoutDef: toolbox.FlyoutDefinition | string) {
+    this.workspace_.setResizesEnabled(false);
+    this.hide();
+    this.clearOldBlocks();
+
+    // Handle dynamic categories, represented by a name instead of a list.
+    if (typeof flyoutDef === 'string') {
+      flyoutDef = this.getDynamicCategoryContents(flyoutDef);
+    }
+    this.setVisible(true);
+
+    // Parse the Array, Node or NodeList into a a list of flyout items.
+    const parsedContent = toolbox.convertFlyoutDefToJsonArray(flyoutDef);
+    const flyoutInfo = this.createFlyoutInfo(parsedContent);
+
+    renderManagement.triggerQueuedRenders(this.workspace_);
+
+    this.setContents(flyoutInfo.contents);
+
+    this.layout_(flyoutInfo.contents, flyoutInfo.gaps);
+
+    if (this.horizontalLayout) {
+      this.height_ = 0;
+    } else {
+      this.width_ = 0;
+    }
+    this.workspace_.setResizesEnabled(true);
+    this.reflow();
+
+    this.filterForCapacity();
+
+    // Correctly position the flyout's scrollbar when it opens.
+    this.position();
+
+    this.reflowWrapper = this.reflow.bind(this);
+    this.workspace_.addChangeListener(this.reflowWrapper);
+    this.emptyRecycledBlocks();
+  }
+
+  /**
+   * Create the contents array and gaps array necessary to create the layout for
+   * the flyout.
+   *
+   * @param parsedContent The array
+   *     of objects to show in the flyout.
+   * @returns The list of contents and gaps needed to lay out the flyout.
+   */
+  private createFlyoutInfo(parsedContent: toolbox.FlyoutItemInfoArray): {
+    contents: FlyoutItem[];
+    gaps: number[];
+  } {
+    const contents: FlyoutItem[] = [];
+    const gaps: number[] = [];
+    this.permanentlyDisabled.length = 0;
+    const defaultGap = this.horizontalLayout ? this.GAP_X : this.GAP_Y;
+    for (const info of parsedContent) {
+      if ('custom' in info) {
+        const customInfo = info as toolbox.DynamicCategoryInfo;
+        const categoryName = customInfo['custom'];
+        const flyoutDef = this.getDynamicCategoryContents(categoryName);
+        const parsedDynamicContent =
+          toolbox.convertFlyoutDefToJsonArray(flyoutDef);
+        const {contents: dynamicContents, gaps: dynamicGaps} =
+          this.createFlyoutInfo(parsedDynamicContent);
+        contents.push(...dynamicContents);
+        gaps.push(...dynamicGaps);
+      }
+
+      switch (info['kind'].toUpperCase()) {
+        case 'BLOCK': {
+          const blockInfo = info as toolbox.BlockInfo;
+          const block = this.createFlyoutBlock(blockInfo);
+          contents.push({type: FlyoutItemType.BLOCK, block: block});
+          this.addBlockGap(blockInfo, gaps, defaultGap);
+          break;
+        }
+        case 'SEP': {
+          const sepInfo = info as toolbox.SeparatorInfo;
+          this.addSeparatorGap(sepInfo, gaps, defaultGap);
+          break;
+        }
+        case 'LABEL': {
+          const labelInfo = info as toolbox.LabelInfo;
+          // A label is a button with different styling.
+          const label = this.createButton(labelInfo, /** isLabel */ true);
+          contents.push({type: FlyoutItemType.BUTTON, button: label});
+          gaps.push(defaultGap);
+          break;
+        }
+        case 'BUTTON': {
+          const buttonInfo = info as toolbox.ButtonInfo;
+          const button = this.createButton(buttonInfo, /** isLabel */ false);
+          contents.push({type: FlyoutItemType.BUTTON, button: button});
+          gaps.push(defaultGap);
+          break;
+        }
+      }
+    }
+
+    return {contents: contents, gaps: gaps};
+  }
+
+  /**
+   * Gets the flyout definition for the dynamic category.
+   *
+   * @param categoryName The name of the dynamic category.
+   * @returns The definition of the
+   *     flyout in one of its many forms.
+   */
+  private getDynamicCategoryContents(
+    categoryName: string,
+  ): toolbox.FlyoutDefinition {
+    // Look up the correct category generation function and call that to get a
+    // valid XML list.
+    const fnToApply =
+      this.workspace_.targetWorkspace!.getToolboxCategoryCallback(categoryName);
+    if (typeof fnToApply !== 'function') {
+      throw TypeError(
+        "Couldn't find a callback function when opening" +
+          ' a toolbox category.',
+      );
+    }
+    return fnToApply(this.workspace_.targetWorkspace!);
+  }
+
+  /**
+   * Creates a flyout button or a flyout label.
+   *
+   * @param btnInfo The object holding information about a button or a label.
+   * @param isLabel True if the button is a label, false otherwise.
+   * @returns The object used to display the button in the
+   *    flyout.
+   */
+  private createButton(
+    btnInfo: toolbox.ButtonOrLabelInfo,
+    isLabel: boolean,
+  ): FlyoutButton {
+    const curButton = new FlyoutButton(
+      this.workspace_,
+      this.targetWorkspace as WorkspaceSvg,
+      btnInfo,
+      isLabel,
+    );
+    return curButton;
+  }
+
+  /**
+   * Create a block from the xml and permanently disable any blocks that were
+   * defined as disabled.
+   *
+   * @param blockInfo The info of the block.
+   * @returns The block created from the blockInfo.
+   */
+  private createFlyoutBlock(blockInfo: toolbox.BlockInfo): BlockSvg {
+    let block;
+    if (blockInfo['blockxml']) {
+      const xml = (
+        typeof blockInfo['blockxml'] === 'string'
+          ? utilsXml.textToDom(blockInfo['blockxml'])
+          : blockInfo['blockxml']
+      ) as Element;
+      block = this.getRecycledBlock(xml.getAttribute('type')!);
+      if (!block) {
+        block = Xml.domToBlockInternal(xml, this.workspace_);
+      }
+    } else {
+      block = this.getRecycledBlock(blockInfo['type']!);
+      if (!block) {
+        if (blockInfo['enabled'] === undefined) {
+          blockInfo['enabled'] =
+            blockInfo['disabled'] !== 'true' && blockInfo['disabled'] !== true;
+        }
+        if (
+          blockInfo['disabledReasons'] === undefined &&
+          blockInfo['enabled'] === false
+        ) {
+          blockInfo['disabledReasons'] = [MANUALLY_DISABLED];
+        }
+        block = blocks.appendInternal(
+          blockInfo as blocks.State,
+          this.workspace_,
+        );
+      }
+    }
+
+    if (!block.isEnabled()) {
+      // Record blocks that were initially disabled.
+      // Do not enable these blocks as a result of capacity filtering.
+      this.permanentlyDisabled.push(block);
+    }
+    return block as BlockSvg;
+  }
+
+  /**
+   * Returns a block from the array of recycled blocks with the given type, or
+   * undefined if one cannot be found.
+   *
+   * @param blockType The type of the block to try to recycle.
+   * @returns The recycled block, or undefined if
+   *     one could not be recycled.
+   */
+  private getRecycledBlock(blockType: string): BlockSvg | undefined {
+    let index = -1;
+    for (let i = 0; i < this.recycledBlocks.length; i++) {
+      if (this.recycledBlocks[i].type === blockType) {
+        index = i;
+        break;
+      }
+    }
+    return index === -1 ? undefined : this.recycledBlocks.splice(index, 1)[0];
+  }
+
+  /**
+   * Adds a gap in the flyout based on block info.
+   *
+   * @param blockInfo Information about a block.
+   * @param gaps The list of gaps between items in the flyout.
+   * @param defaultGap The default gap between one element and the
+   *     next.
+   */
+  private addBlockGap(
+    blockInfo: toolbox.BlockInfo,
+    gaps: number[],
+    defaultGap: number,
+  ) {
+    let gap;
+    if (blockInfo['gap']) {
+      gap = parseInt(String(blockInfo['gap']));
+    } else if (blockInfo['blockxml']) {
+      const xml = (
+        typeof blockInfo['blockxml'] === 'string'
+          ? utilsXml.textToDom(blockInfo['blockxml'])
+          : blockInfo['blockxml']
+      ) as Element;
+      gap = parseInt(xml.getAttribute('gap')!);
+    }
+    gaps.push(!gap || isNaN(gap) ? defaultGap : gap);
+  }
+
+  /**
+   * Add the necessary gap in the flyout for a separator.
+   *
+   * @param sepInfo The object holding
+   *    information about a separator.
+   * @param gaps The list gaps between items in the flyout.
+   * @param defaultGap The default gap between the button and next
+   *     element.
+   */
+  private addSeparatorGap(
+    sepInfo: toolbox.SeparatorInfo,
+    gaps: number[],
+    defaultGap: number,
+  ) {
+    // Change the gap between two toolbox elements.
+    // <sep gap="36"></sep>
+    // The default gap is 24, can be set larger or smaller.
+    // This overwrites the gap attribute on the previous element.
+    const newGap = parseInt(String(sepInfo['gap']));
+    // Ignore gaps before the first block.
+    if (!isNaN(newGap) && gaps.length > 0) {
+      gaps[gaps.length - 1] = newGap;
+    } else {
+      gaps.push(defaultGap);
+    }
+  }
+
+  /**
+   * Delete blocks, mats and buttons from a previous showing of the flyout.
+   */
+  private clearOldBlocks() {
+    // Delete any blocks from a previous showing.
+    const oldBlocks = this.workspace_.getTopBlocks(false);
+    for (let i = 0, block; (block = oldBlocks[i]); i++) {
+      if (this.blockIsRecyclable_(block)) {
+        this.recycleBlock(block);
+      } else {
+        block.dispose(false, false);
+      }
+    }
+    // Delete any mats from a previous showing.
+    for (let j = 0; j < this.mats.length; j++) {
+      const rect = this.mats[j];
+      if (rect) {
+        Tooltip.unbindMouseEvents(rect);
+        dom.removeNode(rect);
+      }
+    }
+    this.mats.length = 0;
+    // Delete any buttons from a previous showing.
+    for (let i = 0, button; (button = this.buttons_[i]); i++) {
+      button.dispose();
+    }
+    this.buttons_.length = 0;
+
+    // Clear potential variables from the previous showing.
+    this.workspace_.getPotentialVariableMap()?.clear();
+  }
+
+  /**
+   * Empties all of the recycled blocks, properly disposing of them.
+   */
+  private emptyRecycledBlocks() {
+    for (let i = 0; i < this.recycledBlocks.length; i++) {
+      this.recycledBlocks[i].dispose();
+    }
+    this.recycledBlocks = [];
+  }
+
+  /**
+   * Returns whether the given block can be recycled or not.
+   *
+   * @param _block The block to check for recyclability.
+   * @returns True if the block can be recycled. False otherwise.
+   */
+  protected blockIsRecyclable_(_block: BlockSvg): boolean {
+    // By default, recycling is disabled.
+    return false;
+  }
+
+  /**
+   * Puts a previously created block into the recycle bin and moves it to the
+   * top of the workspace. Used during large workspace swaps to limit the number
+   * of new DOM elements we need to create.
+   *
+   * @param block The block to recycle.
+   */
+  private recycleBlock(block: BlockSvg) {
+    const xy = block.getRelativeToSurfaceXY();
+    block.moveBy(-xy.x, -xy.y);
+    this.recycledBlocks.push(block);
+  }
+
+  /**
+   * Add listeners to a block that has been added to the flyout.
+   *
+   * @param root The root node of the SVG group the block is in.
+   * @param block The block to add listeners for.
+   * @param rect The invisible rectangle under the block that acts
+   *     as a mat for that block.
+   */
+  protected addBlockListeners_(
+    root: SVGElement,
+    block: BlockSvg,
+    rect: SVGElement,
+  ) {
+    this.listeners.push(
+      browserEvents.conditionalBind(
+        root,
+        'pointerdown',
+        null,
+        this.blockMouseDown(block),
+      ),
+    );
+    this.listeners.push(
+      browserEvents.conditionalBind(
+        rect,
+        'pointerdown',
+        null,
+        this.blockMouseDown(block),
+      ),
+    );
+    this.listeners.push(
+      browserEvents.bind(root, 'pointerenter', block, () => {
+        if (!this.targetWorkspace.isDragging()) {
+          block.addSelect();
+        }
+      }),
+    );
+    this.listeners.push(
+      browserEvents.bind(root, 'pointerleave', block, () => {
+        if (!this.targetWorkspace.isDragging()) {
+          block.removeSelect();
+        }
+      }),
+    );
+    this.listeners.push(
+      browserEvents.bind(rect, 'pointerenter', block, () => {
+        if (!this.targetWorkspace.isDragging()) {
+          block.addSelect();
+        }
+      }),
+    );
+    this.listeners.push(
+      browserEvents.bind(rect, 'pointerleave', block, () => {
+        if (!this.targetWorkspace.isDragging()) {
+          block.removeSelect();
+        }
+      }),
+    );
+  }
+
+  /**
+   * Handle a pointerdown on an SVG block in a non-closing flyout.
+   *
+   * @param block The flyout block to copy.
+   * @returns Function to call when block is clicked.
+   */
+  private blockMouseDown(block: BlockSvg): Function {
+    return (e: PointerEvent) => {
+      const gesture = this.targetWorkspace.getGesture(e);
+      if (gesture) {
+        gesture.setStartBlock(block);
+        gesture.handleFlyoutStart(e, this);
+      }
+    };
+  }
+
+  /**
+   * Pointer down on the flyout background.  Start a vertical scroll drag.
+   *
+   * @param e Pointer down event.
+   */
+  private onMouseDown(e: PointerEvent) {
+    const gesture = this.targetWorkspace.getGesture(e);
+    if (gesture) {
+      gesture.handleFlyoutStart(e, this);
+    }
+  }
+
+  /**
+   * Does this flyout allow you to create a new instance of the given block?
+   * Used for deciding if a block can be "dragged out of" the flyout.
+   *
+   * @param block The block to copy from the flyout.
+   * @returns True if you can create a new instance of the block, false
+   *    otherwise.
+   * @internal
+   */
+  isBlockCreatable(block: BlockSvg): boolean {
+    return block.isEnabled();
+  }
+
+  /**
+   * Create a copy of this block on the workspace.
+   *
+   * @param originalBlock The block to copy from the flyout.
+   * @returns The newly created block.
+   * @throws {Error} if something went wrong with deserialization.
+   * @internal
+   */
+  createBlock(originalBlock: BlockSvg): BlockSvg {
+    let newBlock = null;
+    eventUtils.disable();
+    const variablesBeforeCreation = this.targetWorkspace.getAllVariables();
+    this.targetWorkspace.setResizesEnabled(false);
+    try {
+      newBlock = this.placeNewBlock(originalBlock);
+    } finally {
+      eventUtils.enable();
+    }
+
+    // Close the flyout.
+    this.targetWorkspace.hideChaff();
+
+    const newVariables = Variables.getAddedVariables(
+      this.targetWorkspace,
+      variablesBeforeCreation,
+    );
+
+    if (eventUtils.isEnabled()) {
+      eventUtils.setGroup(true);
+      // Fire a VarCreate event for each (if any) new variable created.
+      for (let i = 0; i < newVariables.length; i++) {
+        const thisVariable = newVariables[i];
+        eventUtils.fire(
+          new (eventUtils.get(eventUtils.VAR_CREATE))(thisVariable),
+        );
+      }
+
+      // Block events come after var events, in case they refer to newly created
+      // variables.
+      eventUtils.fire(new (eventUtils.get(eventUtils.BLOCK_CREATE))(newBlock));
+    }
+    if (this.autoClose) {
+      this.hide();
+    } else {
+      this.filterForCapacity();
+    }
+    return newBlock;
+  }
+
+  /**
+   * Initialize the given button: move it to the correct location,
+   * add listeners, etc.
+   *
+   * @param button The button to initialize and place.
+   * @param x The x position of the cursor during this layout pass.
+   * @param y The y position of the cursor during this layout pass.
+   */
+  protected initFlyoutButton_(button: FlyoutButton, x: number, y: number) {
+    const buttonSvg = button.createDom();
+    button.moveTo(x, y);
+    button.show();
+    // Clicking on a flyout button or label is a lot like clicking on the
+    // flyout background.
+    this.listeners.push(
+      browserEvents.conditionalBind(
+        buttonSvg,
+        'pointerdown',
+        this,
+        this.onMouseDown,
+      ),
+    );
+
+    this.buttons_.push(button);
+  }
+
+  /**
+   * Create and place a rectangle corresponding to the given block.
+   *
+   * @param block The block to associate the rect to.
+   * @param x The x position of the cursor during this layout pass.
+   * @param y The y position of the cursor during this layout pass.
+   * @param blockHW The height and width of
+   *     the block.
+   * @param index The index into the mats list where this rect should
+   *     be placed.
+   * @returns Newly created SVG element for the rectangle behind
+   *     the block.
+   */
+  protected createRect_(
+    block: BlockSvg,
+    x: number,
+    y: number,
+    blockHW: {height: number; width: number},
+    index: number,
+  ): SVGElement {
+    // Create an invisible rectangle under the block to act as a button.  Just
+    // using the block as a button is poor, since blocks have holes in them.
+    const rect = dom.createSvgElement(Svg.RECT, {
+      'fill-opacity': 0,
+      'x': x,
+      'y': y,
+      'height': blockHW.height,
+      'width': blockHW.width,
+    });
+    (rect as AnyDuringMigration).tooltip = block;
+    Tooltip.bindMouseEvents(rect);
+    // Add the rectangles under the blocks, so that the blocks' tooltips work.
+    this.workspace_.getCanvas().insertBefore(rect, block.getSvgRoot());
+
+    this.rectMap_.set(block, rect);
+    this.mats[index] = rect;
+    return rect;
+  }
+
+  /**
+   * Move a rectangle to sit exactly behind a block, taking into account tabs,
+   * hats, and any other protrusions we invent.
+   *
+   * @param rect The rectangle to move directly behind the block.
+   * @param block The block the rectangle should be behind.
+   */
+  protected moveRectToBlock_(rect: SVGElement, block: BlockSvg) {
+    const blockHW = block.getHeightWidth();
+    rect.setAttribute('width', String(blockHW.width));
+    rect.setAttribute('height', String(blockHW.height));
+
+    const blockXY = block.getRelativeToSurfaceXY();
+    rect.setAttribute('y', String(blockXY.y));
+    rect.setAttribute(
+      'x',
+      String(this.RTL ? blockXY.x - blockHW.width : blockXY.x),
+    );
+  }
+
+  /**
+   * Filter the blocks on the flyout to disable the ones that are above the
+   * capacity limit.  For instance, if the user may only place two more blocks
+   * on the workspace, an "a + b" block that has two shadow blocks would be
+   * disabled.
+   */
+  private filterForCapacity() {
+    const blocks = this.workspace_.getTopBlocks(false);
+    for (let i = 0, block; (block = blocks[i]); i++) {
+      if (!this.permanentlyDisabled.includes(block)) {
+        const enable = this.targetWorkspace.isCapacityAvailable(
+          common.getBlockTypeCounts(block),
+        );
+        while (block) {
+          block.setDisabledReason(
+            !enable,
+            WORKSPACE_AT_BLOCK_CAPACITY_DISABLED_REASON,
+          );
+          block = block.getNextBlock();
+        }
+      }
+    }
+  }
+
+  /**
+   * Reflow blocks and their mats.
+   */
+  reflow() {
+    if (this.reflowWrapper) {
+      this.workspace_.removeChangeListener(this.reflowWrapper);
+    }
+    this.reflowInternal_();
+    if (this.reflowWrapper) {
+      this.workspace_.addChangeListener(this.reflowWrapper);
+    }
+  }
+
+  /**
+   * @returns True if this flyout may be scrolled with a scrollbar or
+   *     by dragging.
+   * @internal
+   */
+  isScrollable(): boolean {
+    return this.workspace_.scrollbar
+      ? this.workspace_.scrollbar.isVisible()
+      : false;
+  }
+
+  /**
+   * Copy a block from the flyout to the workspace and position it correctly.
+   *
+   * @param oldBlock The flyout block to copy.
+   * @returns The new block in the main workspace.
+   */
+  private placeNewBlock(oldBlock: BlockSvg): BlockSvg {
+    const targetWorkspace = this.targetWorkspace;
+    const svgRootOld = oldBlock.getSvgRoot();
+    if (!svgRootOld) {
+      throw Error('oldBlock is not rendered');
+    }
+
+    // Clone the block.
+    const json = this.serializeBlock(oldBlock);
+    // Normally this resizes leading to weird jumps. Save it for terminateDrag.
+    targetWorkspace.setResizesEnabled(false);
+    const block = blocks.append(json, targetWorkspace) as BlockSvg;
+
+    this.positionNewBlock(oldBlock, block);
+
+    return block;
+  }
+
+  /**
+   * Serialize a block to JSON.
+   *
+   * @param block The block to serialize.
+   * @returns A serialized representation of the block.
+   */
+  protected serializeBlock(block: BlockSvg): blocks.State {
+    return blocks.save(block) as blocks.State;
+  }
+
+  /**
+   * Positions a block on the target workspace.
+   *
+   * @param oldBlock The flyout block being copied.
+   * @param block The block to posiiton.
+   */
+  private positionNewBlock(oldBlock: BlockSvg, block: BlockSvg) {
+    const targetWorkspace = this.targetWorkspace;
+
+    // The offset in pixels between the main workspace's origin and the upper
+    // left corner of the injection div.
+    const mainOffsetPixels = targetWorkspace.getOriginOffsetInPixels();
+
+    // The offset in pixels between the flyout workspace's origin and the upper
+    // left corner of the injection div.
+    const flyoutOffsetPixels = this.workspace_.getOriginOffsetInPixels();
+
+    // The position of the old block in flyout workspace coordinates.
+    const oldBlockPos = oldBlock.getRelativeToSurfaceXY();
+    // The position of the old block in pixels relative to the flyout
+    // workspace's origin.
+    oldBlockPos.scale(this.workspace_.scale);
+
+    // The position of the old block in pixels relative to the upper left corner
+    // of the injection div.
+    const oldBlockOffsetPixels = Coordinate.sum(
+      flyoutOffsetPixels,
+      oldBlockPos,
+    );
+
+    // The position of the old block in pixels relative to the origin of the
+    // main workspace.
+    const finalOffset = Coordinate.difference(
+      oldBlockOffsetPixels,
+      mainOffsetPixels,
+    );
+    // The position of the old block in main workspace coordinates.
+    finalOffset.scale(1 / targetWorkspace.scale);
+
+    // No 'reason' provided since events are disabled.
+    block.moveTo(new Coordinate(finalOffset.x, finalOffset.y));
+  }
+}
+
+/**
+ * A flyout content item.
+ */
+export interface FlyoutItem {
+  type: FlyoutItemType;
+  button?: FlyoutButton | undefined;
+  block?: BlockSvg | undefined;
+}
diff --git a/core/flyout_button.js b/core/flyout_button.js
deleted file mode 100644
index f0a1542913a..00000000000
--- a/core/flyout_button.js
+++ /dev/null
@@ -1,325 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Class for a button in the flyout.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.FlyoutButton');
-
-goog.require('Blockly.Css');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * Class for a button in the flyout.
- * @param {!Blockly.WorkspaceSvg} workspace The workspace in which to place this
- *     button.
- * @param {!Blockly.WorkspaceSvg} targetWorkspace The flyout's target workspace.
- * @param {!Blockly.utils.toolbox.ButtonOrLabelInfo} json
- *    The JSON specifying the label/button.
- * @param {boolean} isLabel Whether this button should be styled as a label.
- * @constructor
- * @package
- */
-Blockly.FlyoutButton = function(workspace, targetWorkspace, json, isLabel) {
-  // Labels behave the same as buttons, but are styled differently.
-
-  /**
-   * @type {!Blockly.WorkspaceSvg}
-   * @private
-   */
-  this.workspace_ = workspace;
-
-  /**
-   * @type {!Blockly.WorkspaceSvg}
-   * @private
-   */
-  this.targetWorkspace_ = targetWorkspace;
-
-  /**
-   * @type {string}
-   * @private
-   */
-  this.text_ = json['text'];
-
-  /**
-   * @type {!Blockly.utils.Coordinate}
-   * @private
-   */
-  this.position_ = new Blockly.utils.Coordinate(0, 0);
-
-  /**
-   * Whether this button should be styled as a label.
-   * @type {boolean}
-   * @private
-   */
-  this.isLabel_ = isLabel;
-
-  /**
-   * The key to the function called when this button is clicked.
-   * @type {string}
-   * @private
-   */
-  this.callbackKey_ = json['callbackKey'] ||
-  /* Check the lower case version too to satisfy IE */
-                      json['callbackkey'];
-
-  /**
-   * If specified, a CSS class to add to this button.
-   * @type {?string}
-   * @private
-   */
-  this.cssClass_ = json['web-class'] || null;
-
-  /**
-   * Mouse up event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onMouseUpWrapper_ = null;
-
-  /**
-   * The JSON specifying the label / button.
-   * @type {!Blockly.utils.toolbox.ButtonOrLabelInfo}
-   */
-  this.info = json;
-};
-
-/**
- * The horizontal margin around the text in the button.
- */
-Blockly.FlyoutButton.MARGIN_X = 5;
-
-/**
- * The vertical margin around the text in the button.
- */
-Blockly.FlyoutButton.MARGIN_Y = 2;
-
-/**
- * The width of the button's rect.
- * @type {number}
- */
-Blockly.FlyoutButton.prototype.width = 0;
-
-/**
- * The height of the button's rect.
- * @type {number}
- */
-Blockly.FlyoutButton.prototype.height = 0;
-
-/**
- * Create the button elements.
- * @return {!SVGElement} The button's SVG group.
- */
-Blockly.FlyoutButton.prototype.createDom = function() {
-  var cssClass = this.isLabel_ ? 'blocklyFlyoutLabel' : 'blocklyFlyoutButton';
-  if (this.cssClass_) {
-    cssClass += ' ' + this.cssClass_;
-  }
-
-  this.svgGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G, {'class': cssClass},
-      this.workspace_.getCanvas());
-
-  if (!this.isLabel_) {
-    // Shadow rectangle (light source does not mirror in RTL).
-    var shadow = Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.RECT,
-        {
-          'class': 'blocklyFlyoutButtonShadow',
-          'rx': 4, 'ry': 4, 'x': 1, 'y': 1
-        },
-        this.svgGroup_);
-  }
-  // Background rectangle.
-  var rect = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'class': this.isLabel_ ?
-            'blocklyFlyoutLabelBackground' : 'blocklyFlyoutButtonBackground',
-        'rx': 4, 'ry': 4
-      },
-      this.svgGroup_);
-
-  var svgText = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.TEXT,
-      {
-        'class': this.isLabel_ ? 'blocklyFlyoutLabelText' : 'blocklyText',
-        'x': 0,
-        'y': 0,
-        'text-anchor': 'middle'
-      },
-      this.svgGroup_);
-  var text = Blockly.utils.replaceMessageReferences(this.text_);
-  if (this.workspace_.RTL) {
-    // Force text to be RTL by adding an RLM.
-    text += '\u200F';
-  }
-  svgText.textContent = text;
-  if (this.isLabel_) {
-    this.svgText_ = svgText;
-    this.workspace_.getThemeManager().subscribe(this.svgText_,
-        'flyoutForegroundColour', 'fill');
-  }
-
-  var fontSize = Blockly.utils.style.getComputedStyle(svgText, 'fontSize');
-  var fontWeight = Blockly.utils.style.getComputedStyle(svgText, 'fontWeight');
-  var fontFamily = Blockly.utils.style.getComputedStyle(svgText, 'fontFamily');
-  this.width = Blockly.utils.dom.getFastTextWidthWithSizeString(svgText,
-      fontSize, fontWeight, fontFamily);
-  var fontMetrics = Blockly.utils.dom.measureFontMetrics(text, fontSize,
-      fontWeight, fontFamily);
-  this.height = fontMetrics.height;
-
-  if (!this.isLabel_) {
-    this.width += 2 * Blockly.FlyoutButton.MARGIN_X;
-    this.height += 2 * Blockly.FlyoutButton.MARGIN_Y;
-    shadow.setAttribute('width', this.width);
-    shadow.setAttribute('height', this.height);
-  }
-  rect.setAttribute('width', this.width);
-  rect.setAttribute('height', this.height);
-
-  svgText.setAttribute('x', this.width / 2);
-  svgText.setAttribute('y', this.height / 2 - fontMetrics.height / 2 +
-      fontMetrics.baseline);
-
-  this.updateTransform_();
-
-  this.onMouseUpWrapper_ = Blockly.bindEventWithChecks_(
-      this.svgGroup_, 'mouseup', this, this.onMouseUp_);
-  return this.svgGroup_;
-};
-
-/**
- * Correctly position the flyout button and make it visible.
- */
-Blockly.FlyoutButton.prototype.show = function() {
-  this.updateTransform_();
-  this.svgGroup_.setAttribute('display', 'block');
-};
-
-/**
- * Update SVG attributes to match internal state.
- * @private
- */
-Blockly.FlyoutButton.prototype.updateTransform_ = function() {
-  this.svgGroup_.setAttribute('transform',
-      'translate(' + this.position_.x + ',' + this.position_.y + ')');
-};
-
-/**
- * Move the button to the given x, y coordinates.
- * @param {number} x The new x coordinate.
- * @param {number} y The new y coordinate.
- */
-Blockly.FlyoutButton.prototype.moveTo = function(x, y) {
-  this.position_.x = x;
-  this.position_.y = y;
-  this.updateTransform_();
-};
-
-/**
- * @return {boolean} Whether or not the button is a label.
- */
-Blockly.FlyoutButton.prototype.isLabel = function() {
-  return this.isLabel_;
-};
-
-/**
- * Location of the button.
- * @return {!Blockly.utils.Coordinate} x, y coordinates.
- * @package
- */
-Blockly.FlyoutButton.prototype.getPosition = function() {
-  return this.position_;
-};
-
-/**
- * @return {string} Text of the button.
- */
-Blockly.FlyoutButton.prototype.getButtonText = function() {
-  return this.text_;
-};
-
-/**
- * Get the button's target workspace.
- * @return {!Blockly.WorkspaceSvg} The target workspace of the flyout where this
- *     button resides.
- */
-Blockly.FlyoutButton.prototype.getTargetWorkspace = function() {
-  return this.targetWorkspace_;
-};
-
-/**
- * Dispose of this button.
- */
-Blockly.FlyoutButton.prototype.dispose = function() {
-  if (this.onMouseUpWrapper_) {
-    Blockly.unbindEvent_(this.onMouseUpWrapper_);
-  }
-  if (this.svgGroup_) {
-    Blockly.utils.dom.removeNode(this.svgGroup_);
-  }
-  if (this.svgText_) {
-    this.workspace_.getThemeManager().unsubscribe(this.svgText_);
-  }
-};
-
-/**
- * Do something when the button is clicked.
- * @param {!Event} e Mouse up event.
- * @private
- */
-Blockly.FlyoutButton.prototype.onMouseUp_ = function(e) {
-  var gesture = this.targetWorkspace_.getGesture(e);
-  if (gesture) {
-    gesture.cancel();
-  }
-
-  if (this.isLabel_ && this.callbackKey_) {
-    console.warn('Labels should not have callbacks. Label text: ' + this.text_);
-  } else if (!this.isLabel_ && !(this.callbackKey_ &&
-      this.targetWorkspace_.getButtonCallback(this.callbackKey_))) {
-    console.warn('Buttons should have callbacks. Button text: ' + this.text_);
-  } else if (!this.isLabel_) {
-    this.targetWorkspace_.getButtonCallback(this.callbackKey_)(this);
-  }
-};
-
-/**
- * CSS for buttons and labels.  See css.js for use.
- */
-Blockly.Css.register([
-  /* eslint-disable indent */
-  '.blocklyFlyoutButton {',
-    'fill: #888;',
-    'cursor: default;',
-  '}',
-
-  '.blocklyFlyoutButtonShadow {',
-    'fill: #666;',
-  '}',
-
-  '.blocklyFlyoutButton:hover {',
-    'fill: #aaa;',
-  '}',
-
-  '.blocklyFlyoutLabel {',
-    'cursor: default;',
-  '}',
-
-  '.blocklyFlyoutLabelBackground {',
-    'opacity: 0;',
-  '}',
-  /* eslint-enable indent */
-]);
diff --git a/core/flyout_button.ts b/core/flyout_button.ts
new file mode 100644
index 00000000000..e73403d77a0
--- /dev/null
+++ b/core/flyout_button.ts
@@ -0,0 +1,369 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Class for a button in the flyout.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.FlyoutButton
+
+import * as browserEvents from './browser_events.js';
+import * as Css from './css.js';
+import {Coordinate} from './utils/coordinate.js';
+import * as dom from './utils/dom.js';
+import * as parsing from './utils/parsing.js';
+import * as style from './utils/style.js';
+import {Svg} from './utils/svg.js';
+import type * as toolbox from './utils/toolbox.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+import type {IASTNodeLocationSvg} from './blockly.js';
+
+/**
+ * Class for a button or label in the flyout.
+ */
+export class FlyoutButton implements IASTNodeLocationSvg {
+  /** The horizontal margin around the text in the button. */
+  static TEXT_MARGIN_X = 5;
+
+  /** The vertical margin around the text in the button. */
+  static TEXT_MARGIN_Y = 2;
+
+  /** The radius of the flyout button's borders. */
+  static BORDER_RADIUS = 4;
+
+  private readonly text: string;
+  private readonly position: Coordinate;
+  private readonly callbackKey: string;
+  private readonly cssClass: string | null;
+
+  /** Mouse up event data. */
+  private onMouseUpWrapper: browserEvents.Data | null = null;
+  info: toolbox.ButtonOrLabelInfo;
+
+  /** The width of the button's rect. */
+  width = 0;
+
+  /** The height of the button's rect. */
+  height = 0;
+
+  /** The root SVG group for the button or label. */
+  private svgGroup: SVGGElement | null = null;
+
+  /** The SVG element with the text of the label or button. */
+  private svgText: SVGTextElement | null = null;
+
+  /**
+   * Holds the cursors svg element when the cursor is attached to the button.
+   * This is null if there is no cursor on the button.
+   */
+  cursorSvg: SVGElement | null = null;
+
+  /**
+   * @param workspace The workspace in which to place this button.
+   * @param targetWorkspace The flyout's target workspace.
+   * @param json The JSON specifying the label/button.
+   * @param isFlyoutLabel Whether this button should be styled as a label.
+   * @internal
+   */
+  constructor(
+    private readonly workspace: WorkspaceSvg,
+    private readonly targetWorkspace: WorkspaceSvg,
+    json: toolbox.ButtonOrLabelInfo,
+    private readonly isFlyoutLabel: boolean,
+  ) {
+    this.text = json['text'];
+
+    this.position = new Coordinate(0, 0);
+
+    /** The key to the function called when this button is clicked. */
+    this.callbackKey =
+      (json as AnyDuringMigration)[
+        'callbackKey'
+      ] /* Check the lower case version
+                                                   too to satisfy IE */ ||
+      (json as AnyDuringMigration)['callbackkey'];
+
+    /** If specified, a CSS class to add to this button. */
+    this.cssClass = (json as AnyDuringMigration)['web-class'] || null;
+
+    /** The JSON specifying the label / button. */
+    this.info = json;
+  }
+
+  /**
+   * Create the button elements.
+   *
+   * @returns The button's SVG group.
+   */
+  createDom(): SVGElement {
+    let cssClass = this.isFlyoutLabel
+      ? 'blocklyFlyoutLabel'
+      : 'blocklyFlyoutButton';
+    if (this.cssClass) {
+      cssClass += ' ' + this.cssClass;
+    }
+
+    this.svgGroup = dom.createSvgElement(
+      Svg.G,
+      {'class': cssClass},
+      this.workspace.getCanvas(),
+    );
+
+    let shadow;
+    if (!this.isFlyoutLabel) {
+      // Shadow rectangle (light source does not mirror in RTL).
+      shadow = dom.createSvgElement(
+        Svg.RECT,
+        {
+          'class': 'blocklyFlyoutButtonShadow',
+          'rx': FlyoutButton.BORDER_RADIUS,
+          'ry': FlyoutButton.BORDER_RADIUS,
+          'x': 1,
+          'y': 1,
+        },
+        this.svgGroup!,
+      );
+    }
+    // Background rectangle.
+    const rect = dom.createSvgElement(
+      Svg.RECT,
+      {
+        'class': this.isFlyoutLabel
+          ? 'blocklyFlyoutLabelBackground'
+          : 'blocklyFlyoutButtonBackground',
+        'rx': FlyoutButton.BORDER_RADIUS,
+        'ry': FlyoutButton.BORDER_RADIUS,
+      },
+      this.svgGroup!,
+    );
+
+    const svgText = dom.createSvgElement(
+      Svg.TEXT,
+      {
+        'class': this.isFlyoutLabel ? 'blocklyFlyoutLabelText' : 'blocklyText',
+        'x': 0,
+        'y': 0,
+        'text-anchor': 'middle',
+      },
+      this.svgGroup!,
+    );
+    let text = parsing.replaceMessageReferences(this.text);
+    if (this.workspace.RTL) {
+      // Force text to be RTL by adding an RLM.
+      text += '\u200F';
+    }
+    svgText.textContent = text;
+    if (this.isFlyoutLabel) {
+      this.svgText = svgText;
+      this.workspace
+        .getThemeManager()
+        .subscribe(this.svgText, 'flyoutForegroundColour', 'fill');
+    }
+
+    const fontSize = style.getComputedStyle(svgText, 'fontSize');
+    const fontWeight = style.getComputedStyle(svgText, 'fontWeight');
+    const fontFamily = style.getComputedStyle(svgText, 'fontFamily');
+    this.width = dom.getFastTextWidthWithSizeString(
+      svgText,
+      fontSize,
+      fontWeight,
+      fontFamily,
+    );
+    const fontMetrics = dom.measureFontMetrics(
+      text,
+      fontSize,
+      fontWeight,
+      fontFamily,
+    );
+    this.height = fontMetrics.height;
+
+    if (!this.isFlyoutLabel) {
+      this.width += 2 * FlyoutButton.TEXT_MARGIN_X;
+      this.height += 2 * FlyoutButton.TEXT_MARGIN_Y;
+      shadow?.setAttribute('width', String(this.width));
+      shadow?.setAttribute('height', String(this.height));
+    }
+    rect.setAttribute('width', String(this.width));
+    rect.setAttribute('height', String(this.height));
+
+    svgText.setAttribute('x', String(this.width / 2));
+    svgText.setAttribute(
+      'y',
+      String(this.height / 2 - fontMetrics.height / 2 + fontMetrics.baseline),
+    );
+
+    this.updateTransform();
+
+    // AnyDuringMigration because:  Argument of type 'SVGGElement | null' is not
+    // assignable to parameter of type 'EventTarget'.
+    this.onMouseUpWrapper = browserEvents.conditionalBind(
+      this.svgGroup as AnyDuringMigration,
+      'pointerup',
+      this,
+      this.onMouseUp,
+    );
+    return this.svgGroup!;
+  }
+
+  /** Correctly position the flyout button and make it visible. */
+  show() {
+    this.updateTransform();
+    this.svgGroup!.setAttribute('display', 'block');
+  }
+
+  /** Update SVG attributes to match internal state. */
+  private updateTransform() {
+    this.svgGroup!.setAttribute(
+      'transform',
+      'translate(' + this.position.x + ',' + this.position.y + ')',
+    );
+  }
+
+  /**
+   * Move the button to the given x, y coordinates.
+   *
+   * @param x The new x coordinate.
+   * @param y The new y coordinate.
+   */
+  moveTo(x: number, y: number) {
+    this.position.x = x;
+    this.position.y = y;
+    this.updateTransform();
+  }
+
+  /** @returns Whether or not the button is a label. */
+  isLabel(): boolean {
+    return this.isFlyoutLabel;
+  }
+
+  /**
+   * Location of the button.
+   *
+   * @returns x, y coordinates.
+   * @internal
+   */
+  getPosition(): Coordinate {
+    return this.position;
+  }
+
+  /** @returns Text of the button. */
+  getButtonText(): string {
+    return this.text;
+  }
+
+  /**
+   * Get the button's target workspace.
+   *
+   * @returns The target workspace of the flyout where this button resides.
+   */
+  getTargetWorkspace(): WorkspaceSvg {
+    return this.targetWorkspace;
+  }
+
+  /**
+   * Get the button's workspace.
+   *
+   * @returns The workspace in which to place this button.
+   */
+  getWorkspace(): WorkspaceSvg {
+    return this.workspace;
+  }
+
+  /** Dispose of this button. */
+  dispose() {
+    if (this.onMouseUpWrapper) {
+      browserEvents.unbind(this.onMouseUpWrapper);
+    }
+    if (this.svgGroup) {
+      dom.removeNode(this.svgGroup);
+    }
+    if (this.svgText) {
+      this.workspace.getThemeManager().unsubscribe(this.svgText);
+    }
+  }
+
+  /**
+   * Add the cursor SVG to this buttons's SVG group.
+   *
+   * @param cursorSvg The SVG root of the cursor to be added to the button SVG
+   *     group.
+   */
+  setCursorSvg(cursorSvg: SVGElement) {
+    if (!cursorSvg) {
+      this.cursorSvg = null;
+      return;
+    }
+    if (this.svgGroup) {
+      this.svgGroup.appendChild(cursorSvg);
+      this.cursorSvg = cursorSvg;
+    }
+  }
+
+  /**
+   * Required by IASTNodeLocationSvg, but not used. A marker cannot be set on a
+   * button. If the 'mark' shortcut is used on a button, its associated callback
+   * function is triggered.
+   */
+  setMarkerSvg() {
+    throw new Error('Attempted to set a marker on a button.');
+  }
+
+  /**
+   * Do something when the button is clicked.
+   *
+   * @param e Pointer up event.
+   */
+  private onMouseUp(e: PointerEvent) {
+    const gesture = this.targetWorkspace.getGesture(e);
+    if (gesture) {
+      gesture.cancel();
+    }
+
+    if (this.isFlyoutLabel && this.callbackKey) {
+      console.warn(
+        'Labels should not have callbacks. Label text: ' + this.text,
+      );
+    } else if (
+      !this.isFlyoutLabel &&
+      !(
+        this.callbackKey &&
+        this.targetWorkspace.getButtonCallback(this.callbackKey)
+      )
+    ) {
+      console.warn('Buttons should have callbacks. Button text: ' + this.text);
+    } else if (!this.isFlyoutLabel) {
+      const callback = this.targetWorkspace.getButtonCallback(this.callbackKey);
+      if (callback) {
+        callback(this);
+      }
+    }
+  }
+}
+
+/** CSS for buttons and labels. See css.js for use. */
+Css.register(`
+.blocklyFlyoutButton {
+  fill: #888;
+  cursor: default;
+}
+
+.blocklyFlyoutButtonShadow {
+  fill: #666;
+}
+
+.blocklyFlyoutButton:hover {
+  fill: #aaa;
+}
+
+.blocklyFlyoutLabel {
+  cursor: default;
+}
+
+.blocklyFlyoutLabelBackground {
+  opacity: 0;
+}
+`);
diff --git a/core/flyout_dragger.js b/core/flyout_dragger.js
deleted file mode 100644
index 0a9bafe6736..00000000000
--- a/core/flyout_dragger.js
+++ /dev/null
@@ -1,76 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Methods for dragging a flyout visually.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.FlyoutDragger');
-
-goog.require('Blockly.utils.object');
-goog.require('Blockly.WorkspaceDragger');
-
-goog.requireType('Blockly.IFlyout');
-
-
-/**
- * Class for a flyout dragger.  It moves a flyout workspace around when it is
- * being dragged by a mouse or touch.
- * Note that the workspace itself manages whether or not it has a drag surface
- * and how to do translations based on that.  This simply passes the right
- * commands based on events.
- * @param {!Blockly.IFlyout} flyout The flyout to drag.
- * @extends {Blockly.WorkspaceDragger}
- * @constructor
- */
-Blockly.FlyoutDragger = function(flyout) {
-  Blockly.FlyoutDragger.superClass_.constructor.call(this,
-      flyout.getWorkspace());
-
-  /**
-   * The scrollbar to update to move the flyout.
-   * Unlike the main workspace, the flyout has only one scrollbar, in either the
-   * horizontal or the vertical direction.
-   * @type {!Blockly.Scrollbar}
-   * @private
-   */
-  this.scrollbar_ = flyout.scrollbar;
-
-  /**
-   * Whether the flyout scrolls horizontally.  If false, the flyout scrolls
-   * vertically.
-   * @type {boolean}
-   * @private
-   */
-  this.horizontalLayout_ = flyout.horizontalLayout;
-};
-Blockly.utils.object.inherits(Blockly.FlyoutDragger, Blockly.WorkspaceDragger);
-
-/**
- * Move the flyout based on the most recent mouse movements.
- * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
- *     moved from the position at the start of the drag, in pixel coordinates.
- * @package
- */
-Blockly.FlyoutDragger.prototype.drag = function(currentDragDeltaXY) {
-  // startScrollXY_ is assigned by the superclass.
-  var newXY = Blockly.utils.Coordinate.sum(this.startScrollXY_,
-      currentDragDeltaXY);
-
-  // We can't call workspace.scroll because the flyout's workspace doesn't own
-  // it's own scrollbars. This is because (as of 2.20190722.1) the
-  // workspace's scrollbar property must be a scrollbar pair, rather than a
-  // single scrollbar.
-  // Instead we'll just expect setting the scrollbar to update the scroll of
-  // the workspace as well.
-  if (this.horizontalLayout_) {
-    this.scrollbar_.set(-newXY.x);
-  } else {
-    this.scrollbar_.set(-newXY.y);
-  }
-};
diff --git a/core/flyout_horizontal.js b/core/flyout_horizontal.js
deleted file mode 100644
index bcd0c905e41..00000000000
--- a/core/flyout_horizontal.js
+++ /dev/null
@@ -1,388 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Horizontal flyout tray containing blocks which may be created.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.HorizontalFlyout');
-
-goog.require('Blockly.Block');
-goog.require('Blockly.Flyout');
-goog.require('Blockly.registry');
-goog.require('Blockly.Scrollbar');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Rect');
-goog.require('Blockly.WidgetDiv');
-
-goog.requireType('Blockly.utils.Metrics');
-
-
-/**
- * Class for a flyout.
- * @param {!Blockly.Options} workspaceOptions Dictionary of options for the
- *     workspace.
- * @extends {Blockly.Flyout}
- * @constructor
- */
-Blockly.HorizontalFlyout = function(workspaceOptions) {
-  Blockly.HorizontalFlyout.superClass_.constructor.call(this, workspaceOptions);
-  this.horizontalLayout = true;
-};
-Blockly.utils.object.inherits(Blockly.HorizontalFlyout, Blockly.Flyout);
-
-/**
- * Return an object with all the metrics required to size scrollbars for the
- * flyout.  The following properties are computed:
- * .viewHeight: Height of the visible rectangle,
- * .viewWidth: Width of the visible rectangle,
- * .contentHeight: Height of the contents,
- * .contentWidth: Width of the contents,
- * .viewTop: Offset of top edge of visible rectangle from parent,
- * .contentTop: Offset of the top-most content from the y=0 coordinate,
- * .absoluteTop: Top-edge of view.
- * .viewLeft: Offset of the left edge of visible rectangle from parent,
- * .contentLeft: Offset of the left-most content from the x=0 coordinate,
- * .absoluteLeft: Left-edge of view.
- * @return {Blockly.utils.Metrics} Contains size and position metrics of the
- *     flyout.
- * @protected
- */
-Blockly.HorizontalFlyout.prototype.getMetrics_ = function() {
-  if (!this.isVisible()) {
-    // Flyout is hidden.
-    return null;
-  }
-
-  try {
-    var optionBox = this.workspace_.getCanvas().getBBox();
-  } catch (e) {
-    // Firefox has trouble with hidden elements (Bug 528969).
-    var optionBox = {height: 0, y: 0, width: 0, x: 0};
-  }
-
-  var absoluteTop = this.SCROLLBAR_PADDING;
-  var absoluteLeft = this.SCROLLBAR_PADDING;
-  if (this.toolboxPosition_ == Blockly.TOOLBOX_AT_BOTTOM) {
-    absoluteTop = 0;
-  }
-  var viewHeight = this.height_;
-  if (this.toolboxPosition_ == Blockly.TOOLBOX_AT_TOP) {
-    viewHeight -= this.SCROLLBAR_PADDING;
-  }
-  var viewWidth = this.width_ - 2 * this.SCROLLBAR_PADDING;
-
-  var metrics = {
-    contentHeight: (optionBox.height + 2 * this.MARGIN) * this.workspace_.scale,
-    contentWidth: (optionBox.width + 2 * this.MARGIN) * this.workspace_.scale,
-    contentTop: 0,
-    contentLeft: 0,
-
-    viewHeight: viewHeight,
-    viewWidth: viewWidth,
-    viewTop: -this.workspace_.scrollY,
-    viewLeft: -this.workspace_.scrollX,
-
-    absoluteTop: absoluteTop,
-    absoluteLeft: absoluteLeft
-  };
-  return metrics;
-};
-
-/**
- * Sets the translation of the flyout to match the scrollbars.
- * @param {!{x:number,y:number}} xyRatio Contains a y property which is a float
- *     between 0 and 1 specifying the degree of scrolling and a
- *     similar x property.
- * @protected
- */
-Blockly.HorizontalFlyout.prototype.setMetrics_ = function(xyRatio) {
-  var metrics = this.getMetrics_();
-  // This is a fix to an apparent race condition.
-  if (!metrics) {
-    return;
-  }
-
-  if (typeof xyRatio.x == 'number') {
-    this.workspace_.scrollX = -metrics.contentWidth * xyRatio.x;
-  }
-
-  this.workspace_.translate(this.workspace_.scrollX + metrics.absoluteLeft,
-      this.workspace_.scrollY + metrics.absoluteTop);
-};
-
-/**
- * Move the flyout to the edge of the workspace.
- */
-Blockly.HorizontalFlyout.prototype.position = function() {
-  if (!this.isVisible()) {
-    return;
-  }
-  var targetWorkspaceMetrics = this.targetWorkspace.getMetrics();
-  if (!targetWorkspaceMetrics) {
-    // Hidden components will return null.
-    return;
-  }
-  // Record the width for Blockly.Flyout.getMetrics_.
-  this.width_ = targetWorkspaceMetrics.viewWidth;
-
-  var edgeWidth = targetWorkspaceMetrics.viewWidth - 2 * this.CORNER_RADIUS;
-  var edgeHeight = this.height_ - this.CORNER_RADIUS;
-  this.setBackgroundPath_(edgeWidth, edgeHeight);
-
-  // X is always 0 since this is a horizontal flyout.
-  var x = 0;
-  // If this flyout is the toolbox flyout.
-  if (this.targetWorkspace.toolboxPosition == this.toolboxPosition_) {
-    // If there is a toolbox.
-    if (targetWorkspaceMetrics.toolboxHeight) {
-      if (this.toolboxPosition_ == Blockly.TOOLBOX_AT_TOP) {
-        var y = targetWorkspaceMetrics.toolboxHeight;
-      } else {
-        var y = targetWorkspaceMetrics.viewHeight - this.height_;
-      }
-    } else {
-      if (this.toolboxPosition_ == Blockly.TOOLBOX_AT_TOP) {
-        var y = 0;
-      } else {
-        var y = targetWorkspaceMetrics.viewHeight;
-      }
-    }
-  } else {
-    if (this.toolboxPosition_ == Blockly.TOOLBOX_AT_TOP) {
-      var y = 0;
-    } else {
-      // Because the anchor point of the flyout is on the top, but we want
-      // to align the bottom edge of the flyout with the bottom edge of the
-      // blocklyDiv, we calculate the full height of the div minus the height
-      // of the flyout.
-      var y = targetWorkspaceMetrics.viewHeight +
-          targetWorkspaceMetrics.absoluteTop - this.height_;
-    }
-  }
-  this.positionAt_(this.width_, this.height_, x, y);
-};
-
-/**
- * Create and set the path for the visible boundaries of the flyout.
- * @param {number} width The width of the flyout, not including the
- *     rounded corners.
- * @param {number} height The height of the flyout, not including
- *     rounded corners.
- * @private
- */
-Blockly.HorizontalFlyout.prototype.setBackgroundPath_ = function(width,
-    height) {
-  var atTop = this.toolboxPosition_ == Blockly.TOOLBOX_AT_TOP;
-  // Start at top left.
-  var path = ['M 0,' + (atTop ? 0 : this.CORNER_RADIUS)];
-
-  if (atTop) {
-    // Top.
-    path.push('h', width + 2 * this.CORNER_RADIUS);
-    // Right.
-    path.push('v', height);
-    // Bottom.
-    path.push('a', this.CORNER_RADIUS, this.CORNER_RADIUS, 0, 0, 1,
-        -this.CORNER_RADIUS, this.CORNER_RADIUS);
-    path.push('h', -width);
-    // Left.
-    path.push('a', this.CORNER_RADIUS, this.CORNER_RADIUS, 0, 0, 1,
-        -this.CORNER_RADIUS, -this.CORNER_RADIUS);
-    path.push('z');
-  } else {
-    // Top.
-    path.push('a', this.CORNER_RADIUS, this.CORNER_RADIUS, 0, 0, 1,
-        this.CORNER_RADIUS, -this.CORNER_RADIUS);
-    path.push('h', width);
-    // Right.
-    path.push('a', this.CORNER_RADIUS, this.CORNER_RADIUS, 0, 0, 1,
-        this.CORNER_RADIUS, this.CORNER_RADIUS);
-    path.push('v', height);
-    // Bottom.
-    path.push('h', -width - 2 * this.CORNER_RADIUS);
-    // Left.
-    path.push('z');
-  }
-  this.svgBackground_.setAttribute('d', path.join(' '));
-};
-
-/**
- * Scroll the flyout to the top.
- */
-Blockly.HorizontalFlyout.prototype.scrollToStart = function() {
-  this.scrollbar.set(this.RTL ? Infinity : 0);
-};
-
-/**
- * Scroll the flyout.
- * @param {!Event} e Mouse wheel scroll event.
- * @protected
- */
-Blockly.HorizontalFlyout.prototype.wheel_ = function(e) {
-  var scrollDelta = Blockly.utils.getScrollDeltaPixels(e);
-  var delta = scrollDelta.x || scrollDelta.y;
-
-  if (delta) {
-    var metrics = this.getMetrics_();
-    var pos = metrics.viewLeft + delta;
-    var limit = metrics.contentWidth - metrics.viewWidth;
-    pos = Math.min(pos, limit);
-    pos = Math.max(pos, 0);
-    this.scrollbar.set(pos);
-    // When the flyout moves from a wheel event, hide WidgetDiv and DropDownDiv.
-    Blockly.WidgetDiv.hide();
-    Blockly.DropDownDiv.hideWithoutAnimation();
-  }
-
-  // Don't scroll the page.
-  e.preventDefault();
-  // Don't propagate mousewheel event (zooming).
-  e.stopPropagation();
-};
-
-/**
- * Lay out the blocks in the flyout.
- * @param {!Array.<!Object>} contents The blocks and buttons to lay out.
- * @param {!Array.<number>} gaps The visible gaps between blocks.
- * @protected
- */
-Blockly.HorizontalFlyout.prototype.layout_ = function(contents, gaps) {
-  this.workspace_.scale = this.targetWorkspace.scale;
-  var margin = this.MARGIN;
-  var cursorX = margin + this.tabWidth_;
-  var cursorY = margin;
-  if (this.RTL) {
-    contents = contents.reverse();
-  }
-
-  for (var i = 0, item; (item = contents[i]); i++) {
-    if (item.type == 'block') {
-      var block = item.block;
-      var allBlocks = block.getDescendants(false);
-      for (var j = 0, child; (child = allBlocks[j]); j++) {
-        // Mark blocks as being inside a flyout.  This is used to detect and
-        // prevent the closure of the flyout if the user right-clicks on such a
-        // block.
-        child.isInFlyout = true;
-      }
-      block.render();
-      var root = block.getSvgRoot();
-      var blockHW = block.getHeightWidth();
-
-      // Figure out where to place the block.
-      var tab = block.outputConnection ? this.tabWidth_ : 0;
-      if (this.RTL) {
-        var moveX = cursorX + blockHW.width;
-      } else {
-        var moveX = cursorX - tab;
-      }
-      block.moveBy(moveX, cursorY);
-
-      var rect = this.createRect_(block, moveX, cursorY, blockHW, i);
-      cursorX += (blockHW.width + gaps[i]);
-
-      this.addBlockListeners_(root, block, rect);
-    } else if (item.type == 'button') {
-      this.initFlyoutButton_(item.button, cursorX, cursorY);
-      cursorX += (item.button.width + gaps[i]);
-    }
-  }
-};
-
-/**
- * Determine if a drag delta is toward the workspace, based on the position
- * and orientation of the flyout. This is used in determineDragIntention_ to
- * determine if a new block should be created or if the flyout should scroll.
- * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
- *     moved from the position at mouse down, in pixel units.
- * @return {boolean} True if the drag is toward the workspace.
- * @package
- */
-Blockly.HorizontalFlyout.prototype.isDragTowardWorkspace = function(
-    currentDragDeltaXY) {
-  var dx = currentDragDeltaXY.x;
-  var dy = currentDragDeltaXY.y;
-  // Direction goes from -180 to 180, with 0 toward the right and 90 on top.
-  var dragDirection = Math.atan2(dy, dx) / Math.PI * 180;
-
-  var range = this.dragAngleRange_;
-  // Check for up or down dragging.
-  if ((dragDirection < 90 + range && dragDirection > 90 - range) ||
-      (dragDirection > -90 - range && dragDirection < -90 + range)) {
-    return true;
-  }
-  return false;
-};
-
-/**
- * Return the deletion rectangle for this flyout in viewport coordinates.
- * @return {Blockly.utils.Rect} Rectangle in which to delete.
- */
-Blockly.HorizontalFlyout.prototype.getClientRect = function() {
-  if (!this.svgGroup_) {
-    return null;
-  }
-
-  var flyoutRect = this.svgGroup_.getBoundingClientRect();
-  // BIG_NUM is offscreen padding so that blocks dragged beyond the shown flyout
-  // area are still deleted.  Must be larger than the largest screen size,
-  // but be smaller than half Number.MAX_SAFE_INTEGER (not available on IE).
-  var BIG_NUM = 1000000000;
-  var top = flyoutRect.top;
-
-  if (this.toolboxPosition_ == Blockly.TOOLBOX_AT_TOP) {
-    var height = flyoutRect.height;
-    return new Blockly.utils.Rect(-BIG_NUM, top + height, -BIG_NUM, BIG_NUM);
-  } else {  // Bottom.
-    return new Blockly.utils.Rect(top, BIG_NUM, -BIG_NUM, BIG_NUM);
-  }
-};
-
-/**
- * Compute height of flyout.  Position mat under each block.
- * For RTL: Lay out the blocks right-aligned.
- * @protected
- */
-Blockly.HorizontalFlyout.prototype.reflowInternal_ = function() {
-  this.workspace_.scale = this.targetWorkspace.scale;
-  var flyoutHeight = 0;
-  var blocks = this.workspace_.getTopBlocks(false);
-  for (var i = 0, block; (block = blocks[i]); i++) {
-    flyoutHeight = Math.max(flyoutHeight, block.getHeightWidth().height);
-  }
-  flyoutHeight += this.MARGIN * 1.5;
-  flyoutHeight *= this.workspace_.scale;
-  flyoutHeight += Blockly.Scrollbar.scrollbarThickness;
-
-  if (this.height_ != flyoutHeight) {
-    for (var i = 0, block; (block = blocks[i]); i++) {
-      if (block.flyoutRect_) {
-        this.moveRectToBlock_(block.flyoutRect_, block);
-      }
-    }
-
-    if (this.targetWorkspace.toolboxPosition == this.toolboxPosition_ &&
-        this.toolboxPosition_ == Blockly.TOOLBOX_AT_TOP &&
-        !this.targetWorkspace.getToolbox()) {
-      // This flyout is a simple toolbox. Reposition the workspace so that (0,0)
-      // is in the correct position relative to the new absolute edge (ie
-      // toolbox edge).
-      this.targetWorkspace.translate(
-          0, this.targetWorkspace.scrollY + flyoutHeight);
-    }
-
-    // Record the height for .getMetrics_ and .position.
-    this.height_ = flyoutHeight;
-    this.position();
-  }
-};
-
-Blockly.registry.register(Blockly.registry.Type.FLYOUTS_HORIZONTAL_TOOLBOX,
-    Blockly.registry.DEFAULT, Blockly.HorizontalFlyout);
diff --git a/core/flyout_horizontal.ts b/core/flyout_horizontal.ts
new file mode 100644
index 00000000000..6e77636e86b
--- /dev/null
+++ b/core/flyout_horizontal.ts
@@ -0,0 +1,417 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Horizontal flyout tray containing blocks which may be created.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.HorizontalFlyout
+
+import * as browserEvents from './browser_events.js';
+import * as dropDownDiv from './dropdowndiv.js';
+import {Flyout, FlyoutItem} from './flyout_base.js';
+import type {FlyoutButton} from './flyout_button.js';
+import type {Options} from './options.js';
+import * as registry from './registry.js';
+import {Scrollbar} from './scrollbar.js';
+import type {Coordinate} from './utils/coordinate.js';
+import {Rect} from './utils/rect.js';
+import * as toolbox from './utils/toolbox.js';
+import * as WidgetDiv from './widgetdiv.js';
+
+/**
+ * Class for a flyout.
+ */
+export class HorizontalFlyout extends Flyout {
+  override horizontalLayout = true;
+
+  /** @param workspaceOptions Dictionary of options for the workspace. */
+  constructor(workspaceOptions: Options) {
+    super(workspaceOptions);
+  }
+
+  /**
+   * Sets the translation of the flyout to match the scrollbars.
+   *
+   * @param xyRatio Contains a y property which is a float between 0 and 1
+   *     specifying the degree of scrolling and a similar x property.
+   */
+  protected override setMetrics_(xyRatio: {x: number; y: number}) {
+    if (!this.isVisible()) {
+      return;
+    }
+
+    const metricsManager = this.workspace_.getMetricsManager();
+    const scrollMetrics = metricsManager.getScrollMetrics();
+    const viewMetrics = metricsManager.getViewMetrics();
+    const absoluteMetrics = metricsManager.getAbsoluteMetrics();
+
+    if (typeof xyRatio.x === 'number') {
+      this.workspace_.scrollX = -(
+        scrollMetrics.left +
+        (scrollMetrics.width - viewMetrics.width) * xyRatio.x
+      );
+    }
+
+    this.workspace_.translate(
+      this.workspace_.scrollX + absoluteMetrics.left,
+      this.workspace_.scrollY + absoluteMetrics.top,
+    );
+  }
+
+  /**
+   * Calculates the x coordinate for the flyout position.
+   *
+   * @returns X coordinate.
+   */
+  override getX(): number {
+    // X is always 0 since this is a horizontal flyout.
+    return 0;
+  }
+
+  /**
+   * Calculates the y coordinate for the flyout position.
+   *
+   * @returns Y coordinate.
+   */
+  override getY(): number {
+    if (!this.isVisible()) {
+      return 0;
+    }
+    const metricsManager = this.targetWorkspace!.getMetricsManager();
+    const absoluteMetrics = metricsManager.getAbsoluteMetrics();
+    const viewMetrics = metricsManager.getViewMetrics();
+    const toolboxMetrics = metricsManager.getToolboxMetrics();
+
+    let y = 0;
+    const atTop = this.toolboxPosition_ === toolbox.Position.TOP;
+    // If this flyout is not the trashcan flyout (e.g. toolbox or mutator).
+    // Trashcan flyout is opposite the main flyout.
+    if (this.targetWorkspace!.toolboxPosition === this.toolboxPosition_) {
+      // If there is a category toolbox.
+      // Simple (flyout-only) toolbox.
+      if (this.targetWorkspace!.getToolbox()) {
+        if (atTop) {
+          y = toolboxMetrics.height;
+        } else {
+          y = viewMetrics.height - this.height_;
+        }
+      } else {
+        if (atTop) {
+          y = 0;
+        } else {
+          // The simple flyout does not cover the workspace.
+          y = viewMetrics.height;
+        }
+      }
+    } else {
+      if (atTop) {
+        y = 0;
+      } else {
+        // Because the anchor point of the flyout is on the top, but we want
+        // to align the bottom edge of the flyout with the bottom edge of the
+        // blocklyDiv, we calculate the full height of the div minus the height
+        // of the flyout.
+        y = viewMetrics.height + absoluteMetrics.top - this.height_;
+      }
+    }
+
+    return y;
+  }
+
+  /** Move the flyout to the edge of the workspace. */
+  override position() {
+    if (!this.isVisible() || !this.targetWorkspace!.isVisible()) {
+      return;
+    }
+    const metricsManager = this.targetWorkspace!.getMetricsManager();
+    const targetWorkspaceViewMetrics = metricsManager.getViewMetrics();
+    this.width_ = targetWorkspaceViewMetrics.width;
+
+    const edgeWidth = targetWorkspaceViewMetrics.width - 2 * this.CORNER_RADIUS;
+    const edgeHeight = this.height_ - this.CORNER_RADIUS;
+    this.setBackgroundPath(edgeWidth, edgeHeight);
+
+    const x = this.getX();
+    const y = this.getY();
+
+    this.positionAt_(this.width_, this.height_, x, y);
+  }
+
+  /**
+   * Create and set the path for the visible boundaries of the flyout.
+   *
+   * @param width The width of the flyout, not including the rounded corners.
+   * @param height The height of the flyout, not including rounded corners.
+   */
+  private setBackgroundPath(width: number, height: number) {
+    const atTop = this.toolboxPosition_ === toolbox.Position.TOP;
+    // Start at top left.
+    const path: (string | number)[] = [
+      'M 0,' + (atTop ? 0 : this.CORNER_RADIUS),
+    ];
+
+    if (atTop) {
+      // Top.
+      path.push('h', width + 2 * this.CORNER_RADIUS);
+      // Right.
+      path.push('v', height);
+      // Bottom.
+      path.push(
+        'a',
+        this.CORNER_RADIUS,
+        this.CORNER_RADIUS,
+        0,
+        0,
+        1,
+        -this.CORNER_RADIUS,
+        this.CORNER_RADIUS,
+      );
+      path.push('h', -width);
+      // Left.
+      path.push(
+        'a',
+        this.CORNER_RADIUS,
+        this.CORNER_RADIUS,
+        0,
+        0,
+        1,
+        -this.CORNER_RADIUS,
+        -this.CORNER_RADIUS,
+      );
+      path.push('z');
+    } else {
+      // Top.
+      path.push(
+        'a',
+        this.CORNER_RADIUS,
+        this.CORNER_RADIUS,
+        0,
+        0,
+        1,
+        this.CORNER_RADIUS,
+        -this.CORNER_RADIUS,
+      );
+      path.push('h', width);
+      // Right.
+      path.push(
+        'a',
+        this.CORNER_RADIUS,
+        this.CORNER_RADIUS,
+        0,
+        0,
+        1,
+        this.CORNER_RADIUS,
+        this.CORNER_RADIUS,
+      );
+      path.push('v', height);
+      // Bottom.
+      path.push('h', -width - 2 * this.CORNER_RADIUS);
+      // Left.
+      path.push('z');
+    }
+    this.svgBackground_!.setAttribute('d', path.join(' '));
+  }
+
+  /** Scroll the flyout to the top. */
+  override scrollToStart() {
+    this.workspace_.scrollbar?.setX(this.RTL ? Infinity : 0);
+  }
+
+  /**
+   * Scroll the flyout.
+   *
+   * @param e Mouse wheel scroll event.
+   */
+  protected override wheel_(e: WheelEvent) {
+    const scrollDelta = browserEvents.getScrollDeltaPixels(e);
+    const delta = scrollDelta.x || scrollDelta.y;
+
+    if (delta) {
+      const metricsManager = this.workspace_.getMetricsManager();
+      const scrollMetrics = metricsManager.getScrollMetrics();
+      const viewMetrics = metricsManager.getViewMetrics();
+
+      const pos = viewMetrics.left - scrollMetrics.left + delta;
+      this.workspace_.scrollbar?.setX(pos);
+      // When the flyout moves from a wheel event, hide WidgetDiv and
+      // dropDownDiv.
+      WidgetDiv.hideIfOwnerIsInWorkspace(this.workspace_);
+      dropDownDiv.hideWithoutAnimation();
+    }
+    // Don't scroll the page.
+    e.preventDefault();
+    // Don't propagate mousewheel event (zooming).
+    e.stopPropagation();
+  }
+
+  /**
+   * Lay out the blocks in the flyout.
+   *
+   * @param contents The blocks and buttons to lay out.
+   * @param gaps The visible gaps between blocks.
+   */
+  protected override layout_(contents: FlyoutItem[], gaps: number[]) {
+    this.workspace_.scale = this.targetWorkspace!.scale;
+    const margin = this.MARGIN;
+    let cursorX = margin + this.tabWidth_;
+    const cursorY = margin;
+    if (this.RTL) {
+      contents = contents.reverse();
+    }
+
+    for (let i = 0, item; (item = contents[i]); i++) {
+      if (item.type === 'block') {
+        const block = item.block;
+
+        if (block === undefined || block === null) {
+          continue;
+        }
+
+        const allBlocks = block.getDescendants(false);
+
+        for (let j = 0, child; (child = allBlocks[j]); j++) {
+          // Mark blocks as being inside a flyout.  This is used to detect and
+          // prevent the closure of the flyout if the user right-clicks on such
+          // a block.
+          child.isInFlyout = true;
+        }
+        const root = block.getSvgRoot();
+        const blockHW = block.getHeightWidth();
+        // Figure out where to place the block.
+        const tab = block.outputConnection ? this.tabWidth_ : 0;
+        let moveX;
+        if (this.RTL) {
+          moveX = cursorX + blockHW.width;
+        } else {
+          moveX = cursorX - tab;
+        }
+        block.moveBy(moveX, cursorY);
+
+        const rect = this.createRect_(block, moveX, cursorY, blockHW, i);
+        cursorX += blockHW.width + gaps[i];
+
+        this.addBlockListeners_(root, block, rect);
+      } else if (item.type === 'button') {
+        const button = item.button as FlyoutButton;
+        this.initFlyoutButton_(button, cursorX, cursorY);
+        cursorX += button.width + gaps[i];
+      }
+    }
+  }
+
+  /**
+   * Determine if a drag delta is toward the workspace, based on the position
+   * and orientation of the flyout. This is used in determineDragIntention_ to
+   * determine if a new block should be created or if the flyout should scroll.
+   *
+   * @param currentDragDeltaXY How far the pointer has moved from the position
+   *     at mouse down, in pixel units.
+   * @returns True if the drag is toward the workspace.
+   */
+  override isDragTowardWorkspace(currentDragDeltaXY: Coordinate): boolean {
+    const dx = currentDragDeltaXY.x;
+    const dy = currentDragDeltaXY.y;
+    // Direction goes from -180 to 180, with 0 toward the right and 90 on top.
+    const dragDirection = (Math.atan2(dy, dx) / Math.PI) * 180;
+
+    const range = this.dragAngleRange_;
+    // Check for up or down dragging.
+    if (
+      (dragDirection < 90 + range && dragDirection > 90 - range) ||
+      (dragDirection > -90 - range && dragDirection < -90 + range)
+    ) {
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * Returns the bounding rectangle of the drag target area in pixel units
+   * relative to viewport.
+   *
+   * @returns The component's bounding box. Null if drag target area should be
+   *     ignored.
+   */
+  override getClientRect(): Rect | null {
+    if (!this.svgGroup_ || this.autoClose || !this.isVisible()) {
+      // The bounding rectangle won't compute correctly if the flyout is closed
+      // and auto-close flyouts aren't valid drag targets (or delete areas).
+      return null;
+    }
+
+    const flyoutRect = this.svgGroup_.getBoundingClientRect();
+    // BIG_NUM is offscreen padding so that blocks dragged beyond the shown
+    // flyout area are still deleted.  Must be larger than the largest screen
+    // size, but be smaller than half Number.MAX_SAFE_INTEGER (not available on
+    // IE).
+    const BIG_NUM = 1000000000;
+    const top = flyoutRect.top;
+
+    if (this.toolboxPosition_ === toolbox.Position.TOP) {
+      const height = flyoutRect.height;
+      return new Rect(-BIG_NUM, top + height, -BIG_NUM, BIG_NUM);
+    } else {
+      // Bottom.
+      return new Rect(top, BIG_NUM, -BIG_NUM, BIG_NUM);
+    }
+  }
+
+  /**
+   * Compute height of flyout.  toolbox.Position mat under each block.
+   * For RTL: Lay out the blocks right-aligned.
+   */
+  protected override reflowInternal_() {
+    this.workspace_.scale = this.getFlyoutScale();
+    let flyoutHeight = 0;
+    const blocks = this.workspace_.getTopBlocks(false);
+    for (let i = 0, block; (block = blocks[i]); i++) {
+      flyoutHeight = Math.max(flyoutHeight, block.getHeightWidth().height);
+    }
+    const buttons = this.buttons_;
+    for (let i = 0, button; (button = buttons[i]); i++) {
+      flyoutHeight = Math.max(flyoutHeight, button.height);
+    }
+    flyoutHeight += this.MARGIN * 1.5;
+    flyoutHeight *= this.workspace_.scale;
+    flyoutHeight += Scrollbar.scrollbarThickness;
+
+    if (this.height_ !== flyoutHeight) {
+      for (let i = 0, block; (block = blocks[i]); i++) {
+        if (this.rectMap_.has(block)) {
+          this.moveRectToBlock_(this.rectMap_.get(block)!, block);
+        }
+      }
+
+      // TODO(#7689): Remove this.
+      // Workspace with no scrollbars where this is permanently open on the top.
+      // If scrollbars exist they properly update the metrics.
+      if (
+        !this.targetWorkspace.scrollbar &&
+        !this.autoClose &&
+        this.targetWorkspace.getFlyout() === this &&
+        this.toolboxPosition_ === toolbox.Position.TOP
+      ) {
+        this.targetWorkspace.translate(
+          this.targetWorkspace.scrollX,
+          this.targetWorkspace.scrollY + flyoutHeight,
+        );
+      }
+
+      this.height_ = flyoutHeight;
+      this.position();
+      this.targetWorkspace.resizeContents();
+      this.targetWorkspace.recordDragTargets();
+    }
+  }
+}
+
+registry.register(
+  registry.Type.FLYOUTS_HORIZONTAL_TOOLBOX,
+  registry.DEFAULT,
+  HorizontalFlyout,
+);
diff --git a/core/flyout_metrics_manager.ts b/core/flyout_metrics_manager.ts
new file mode 100644
index 00000000000..fadc5deb505
--- /dev/null
+++ b/core/flyout_metrics_manager.ts
@@ -0,0 +1,90 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Calculates and reports flyout workspace metrics.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.FlyoutMetricsManager
+
+import type {IFlyout} from './interfaces/i_flyout.js';
+import {ContainerRegion, MetricsManager} from './metrics_manager.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * Calculates metrics for a flyout's workspace.
+ * The metrics are mainly used to size scrollbars for the flyout.
+ */
+export class FlyoutMetricsManager extends MetricsManager {
+  /** The flyout that owns the workspace to calculate metrics for. */
+  protected flyout_: IFlyout;
+
+  /**
+   * @param workspace The flyout's workspace.
+   * @param flyout The flyout.
+   */
+  constructor(workspace: WorkspaceSvg, flyout: IFlyout) {
+    super(workspace);
+    this.flyout_ = flyout;
+  }
+
+  /**
+   * Gets the bounding box of the blocks on the flyout's workspace.
+   * This is in workspace coordinates.
+   *
+   * @returns The bounding box of the blocks on the workspace.
+   */
+  private getBoundingBox_():
+    | SVGRect
+    | {height: number; y: number; width: number; x: number} {
+    let blockBoundingBox;
+    try {
+      blockBoundingBox = this.workspace_.getCanvas().getBBox();
+    } catch (e) {
+      // Firefox has trouble with hidden elements (Bug 528969).
+      // 2021 Update: It looks like this was fixed around Firefox 77 released in
+      // 2020.
+      blockBoundingBox = {height: 0, y: 0, width: 0, x: 0};
+    }
+    return blockBoundingBox;
+  }
+
+  override getContentMetrics(opt_getWorkspaceCoordinates?: boolean) {
+    // The bounding box is in workspace coordinates.
+    const blockBoundingBox = this.getBoundingBox_();
+    const scale = opt_getWorkspaceCoordinates ? 1 : this.workspace_.scale;
+
+    return {
+      height: blockBoundingBox.height * scale,
+      width: blockBoundingBox.width * scale,
+      top: blockBoundingBox.y * scale,
+      left: blockBoundingBox.x * scale,
+    };
+  }
+
+  override getScrollMetrics(
+    opt_getWorkspaceCoordinates?: boolean,
+    opt_viewMetrics?: ContainerRegion,
+    opt_contentMetrics?: ContainerRegion,
+  ) {
+    const contentMetrics = opt_contentMetrics || this.getContentMetrics();
+    const margin = this.flyout_.MARGIN * this.workspace_.scale;
+    const scale = opt_getWorkspaceCoordinates ? this.workspace_.scale : 1;
+
+    // The left padding isn't just the margin. Some blocks are also offset by
+    // tabWidth so that value and statement blocks line up.
+    // The contentMetrics.left value is equivalent to the variable left padding.
+    const leftPadding = contentMetrics.left;
+
+    return {
+      height: (contentMetrics.height + 2 * margin) / scale,
+      width: (contentMetrics.width + leftPadding + margin) / scale,
+      top: 0,
+      left: 0,
+    };
+  }
+}
diff --git a/core/flyout_vertical.js b/core/flyout_vertical.js
deleted file mode 100644
index 83ab45fcd89..00000000000
--- a/core/flyout_vertical.js
+++ /dev/null
@@ -1,397 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Layout code for a vertical variant of the flyout.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.VerticalFlyout');
-
-goog.require('Blockly.Block');
-goog.require('Blockly.Flyout');
-goog.require('Blockly.registry');
-goog.require('Blockly.Scrollbar');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Rect');
-goog.require('Blockly.utils.userAgent');
-goog.require('Blockly.WidgetDiv');
-
-goog.requireType('Blockly.utils.Metrics');
-
-
-/**
- * Class for a flyout.
- * @param {!Blockly.Options} workspaceOptions Dictionary of options for the
- *     workspace.
- * @extends {Blockly.Flyout}
- * @constructor
- */
-Blockly.VerticalFlyout = function(workspaceOptions) {
-  Blockly.VerticalFlyout.superClass_.constructor.call(this, workspaceOptions);
-};
-Blockly.utils.object.inherits(Blockly.VerticalFlyout, Blockly.Flyout);
-
-/**
- * The name of the vertical flyout in the registry.
- * @type {string}
- */
-Blockly.VerticalFlyout.registryName = 'verticalFlyout';
-
-/**
- * Return an object with all the metrics required to size scrollbars for the
- * flyout.  The following properties are computed:
- * .viewHeight: Height of the visible rectangle,
- * .viewWidth: Width of the visible rectangle,
- * .contentHeight: Height of the contents,
- * .contentWidth: Width of the contents,
- * .viewTop: Offset of top edge of visible rectangle from parent,
- * .contentTop: Offset of the top-most content from the y=0 coordinate,
- * .absoluteTop: Top-edge of view.
- * .viewLeft: Offset of the left edge of visible rectangle from parent,
- * .contentLeft: Offset of the left-most content from the x=0 coordinate,
- * .absoluteLeft: Left-edge of view.
- * @return {Blockly.utils.Metrics} Contains size and position metrics of the
- *     flyout.
- * @protected
- */
-Blockly.VerticalFlyout.prototype.getMetrics_ = function() {
-  if (!this.isVisible()) {
-    // Flyout is hidden.
-    return null;
-  }
-
-  try {
-    var optionBox = this.workspace_.getCanvas().getBBox();
-  } catch (e) {
-    // Firefox has trouble with hidden elements (Bug 528969).
-    var optionBox = {height: 0, y: 0, width: 0, x: 0};
-  }
-
-  // Padding for the end of the scrollbar.
-  var absoluteTop = this.SCROLLBAR_PADDING;
-  var absoluteLeft = 0;
-
-  var viewHeight = this.height_ - 2 * this.SCROLLBAR_PADDING;
-  var viewWidth = this.width_;
-  if (!this.RTL) {
-    viewWidth -= this.SCROLLBAR_PADDING;
-  }
-
-  var metrics = {
-    contentHeight: optionBox.height * this.workspace_.scale + 2 * this.MARGIN,
-    contentWidth: optionBox.width * this.workspace_.scale + 2 * this.MARGIN,
-    contentTop: optionBox.y,
-    contentLeft: optionBox.x,
-
-    viewHeight: viewHeight,
-    viewWidth: viewWidth,
-    viewTop: -this.workspace_.scrollY + optionBox.y,
-    viewLeft: -this.workspace_.scrollX,
-
-    absoluteTop: absoluteTop,
-    absoluteLeft: absoluteLeft
-  };
-  return metrics;
-};
-
-/**
- * Sets the translation of the flyout to match the scrollbars.
- * @param {!{x:number,y:number}} xyRatio Contains a y property which is a float
- *     between 0 and 1 specifying the degree of scrolling and a
- *     similar x property.
- * @protected
- */
-Blockly.VerticalFlyout.prototype.setMetrics_ = function(xyRatio) {
-  var metrics = this.getMetrics_();
-  // This is a fix to an apparent race condition.
-  if (!metrics) {
-    return;
-  }
-  if (typeof xyRatio.y == 'number') {
-    this.workspace_.scrollY = -metrics.contentHeight * xyRatio.y;
-  }
-  this.workspace_.translate(this.workspace_.scrollX + metrics.absoluteLeft,
-      this.workspace_.scrollY + metrics.absoluteTop);
-};
-
-/**
- * Move the flyout to the edge of the workspace.
- */
-Blockly.VerticalFlyout.prototype.position = function() {
-  if (!this.isVisible()) {
-    return;
-  }
-  var targetWorkspaceMetrics = this.targetWorkspace.getMetrics();
-  if (!targetWorkspaceMetrics) {
-    // Hidden components will return null.
-    return;
-  }
-  // Record the height for Blockly.Flyout.getMetrics_
-  this.height_ = targetWorkspaceMetrics.viewHeight;
-
-  var edgeWidth = this.width_ - this.CORNER_RADIUS;
-  var edgeHeight = targetWorkspaceMetrics.viewHeight - 2 * this.CORNER_RADIUS;
-  this.setBackgroundPath_(edgeWidth, edgeHeight);
-
-  // Y is always 0 since this is a vertical flyout.
-  var y = 0;
-  // If this flyout is the toolbox flyout.
-  if (this.targetWorkspace.toolboxPosition == this.toolboxPosition_) {
-    // If there is a category toolbox.
-    if (targetWorkspaceMetrics.toolboxWidth) {
-      if (this.toolboxPosition_ == Blockly.TOOLBOX_AT_LEFT) {
-        var x = targetWorkspaceMetrics.toolboxWidth;
-      } else {
-        var x = targetWorkspaceMetrics.viewWidth - this.width_;
-      }
-    } else {
-      if (this.toolboxPosition_ == Blockly.TOOLBOX_AT_LEFT) {
-        var x = 0;
-      } else {
-        var x = targetWorkspaceMetrics.viewWidth;
-      }
-    }
-  } else {
-    if (this.toolboxPosition_ == Blockly.TOOLBOX_AT_LEFT) {
-      var x = 0;
-    } else {
-      // Because the anchor point of the flyout is on the left, but we want
-      // to align the right edge of the flyout with the right edge of the
-      // blocklyDiv, we calculate the full width of the div minus the width
-      // of the flyout.
-      var x = targetWorkspaceMetrics.viewWidth +
-          targetWorkspaceMetrics.absoluteLeft - this.width_;
-    }
-  }
-  this.positionAt_(this.width_, this.height_, x, y);
-};
-
-/**
- * Create and set the path for the visible boundaries of the flyout.
- * @param {number} width The width of the flyout, not including the
- *     rounded corners.
- * @param {number} height The height of the flyout, not including
- *     rounded corners.
- * @private
- */
-Blockly.VerticalFlyout.prototype.setBackgroundPath_ = function(width, height) {
-  var atRight = this.toolboxPosition_ == Blockly.TOOLBOX_AT_RIGHT;
-  var totalWidth = width + this.CORNER_RADIUS;
-
-  // Decide whether to start on the left or right.
-  var path = ['M ' + (atRight ? totalWidth : 0) + ',0'];
-  // Top.
-  path.push('h', atRight ? -width : width);
-  // Rounded corner.
-  path.push('a', this.CORNER_RADIUS, this.CORNER_RADIUS, 0, 0,
-      atRight ? 0 : 1,
-      atRight ? -this.CORNER_RADIUS : this.CORNER_RADIUS,
-      this.CORNER_RADIUS);
-  // Side closest to workspace.
-  path.push('v', Math.max(0, height));
-  // Rounded corner.
-  path.push('a', this.CORNER_RADIUS, this.CORNER_RADIUS, 0, 0,
-      atRight ? 0 : 1,
-      atRight ? this.CORNER_RADIUS : -this.CORNER_RADIUS,
-      this.CORNER_RADIUS);
-  // Bottom.
-  path.push('h', atRight ? width : -width);
-  path.push('z');
-  this.svgBackground_.setAttribute('d', path.join(' '));
-};
-
-/**
- * Scroll the flyout to the top.
- */
-Blockly.VerticalFlyout.prototype.scrollToStart = function() {
-  this.scrollbar.set(0);
-};
-
-/**
- * Scroll the flyout.
- * @param {!Event} e Mouse wheel scroll event.
- * @protected
- */
-Blockly.VerticalFlyout.prototype.wheel_ = function(e) {
-  var scrollDelta = Blockly.utils.getScrollDeltaPixels(e);
-
-  if (scrollDelta.y) {
-    var metrics = this.getMetrics_();
-    var pos = (metrics.viewTop - metrics.contentTop) + scrollDelta.y;
-    var limit = metrics.contentHeight - metrics.viewHeight;
-    pos = Math.min(pos, limit);
-    pos = Math.max(pos, 0);
-    this.scrollbar.set(pos);
-    // When the flyout moves from a wheel event, hide WidgetDiv and DropDownDiv.
-    Blockly.WidgetDiv.hide();
-    Blockly.DropDownDiv.hideWithoutAnimation();
-  }
-
-  // Don't scroll the page.
-  e.preventDefault();
-  // Don't propagate mousewheel event (zooming).
-  e.stopPropagation();
-};
-
-/**
- * Lay out the blocks in the flyout.
- * @param {!Array.<!Object>} contents The blocks and buttons to lay out.
- * @param {!Array.<number>} gaps The visible gaps between blocks.
- * @protected
- */
-Blockly.VerticalFlyout.prototype.layout_ = function(contents, gaps) {
-  this.workspace_.scale = this.targetWorkspace.scale;
-  var margin = this.MARGIN;
-  var cursorX = this.RTL ? margin : margin + this.tabWidth_;
-  var cursorY = margin;
-
-  for (var i = 0, item; (item = contents[i]); i++) {
-    if (item.type == 'block') {
-      var block = item.block;
-      var allBlocks = block.getDescendants(false);
-      for (var j = 0, child; (child = allBlocks[j]); j++) {
-        // Mark blocks as being inside a flyout.  This is used to detect and
-        // prevent the closure of the flyout if the user right-clicks on such a
-        // block.
-        child.isInFlyout = true;
-      }
-      block.render();
-      var root = block.getSvgRoot();
-      var blockHW = block.getHeightWidth();
-      var moveX = block.outputConnection ? cursorX - this.tabWidth_ : cursorX;
-      block.moveBy(moveX, cursorY);
-
-      var rect = this.createRect_(block,
-          this.RTL ? moveX - blockHW.width : moveX, cursorY, blockHW, i);
-
-      this.addBlockListeners_(root, block, rect);
-
-      cursorY += blockHW.height + gaps[i];
-    } else if (item.type == 'button') {
-      this.initFlyoutButton_(item.button, cursorX, cursorY);
-      cursorY += item.button.height + gaps[i];
-    }
-  }
-};
-
-/**
- * Determine if a drag delta is toward the workspace, based on the position
- * and orientation of the flyout. This is used in determineDragIntention_ to
- * determine if a new block should be created or if the flyout should scroll.
- * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
- *     moved from the position at mouse down, in pixel units.
- * @return {boolean} True if the drag is toward the workspace.
- * @package
- */
-Blockly.VerticalFlyout.prototype.isDragTowardWorkspace = function(
-    currentDragDeltaXY) {
-  var dx = currentDragDeltaXY.x;
-  var dy = currentDragDeltaXY.y;
-  // Direction goes from -180 to 180, with 0 toward the right and 90 on top.
-  var dragDirection = Math.atan2(dy, dx) / Math.PI * 180;
-
-  var range = this.dragAngleRange_;
-  // Check for left or right dragging.
-  if ((dragDirection < range && dragDirection > -range) ||
-      (dragDirection < -180 + range || dragDirection > 180 - range)) {
-    return true;
-  }
-  return false;
-};
-
-/**
- * Return the deletion rectangle for this flyout in viewport coordinates.
- * @return {Blockly.utils.Rect} Rectangle in which to delete.
- */
-Blockly.VerticalFlyout.prototype.getClientRect = function() {
-  if (!this.svgGroup_) {
-    return null;
-  }
-
-  var flyoutRect = this.svgGroup_.getBoundingClientRect();
-  // BIG_NUM is offscreen padding so that blocks dragged beyond the shown flyout
-  // area are still deleted.  Must be larger than the largest screen size,
-  // but be smaller than half Number.MAX_SAFE_INTEGER (not available on IE).
-  var BIG_NUM = 1000000000;
-  var left = flyoutRect.left;
-
-  if (this.toolboxPosition_ == Blockly.TOOLBOX_AT_LEFT) {
-    var width = flyoutRect.width;
-    return new Blockly.utils.Rect(-BIG_NUM, BIG_NUM, -BIG_NUM, left + width);
-  } else {  // Right
-    return new Blockly.utils.Rect(-BIG_NUM, BIG_NUM, left, BIG_NUM);
-  }
-};
-
-/**
- * Compute width of flyout.  Position mat under each block.
- * For RTL: Lay out the blocks and buttons to be right-aligned.
- * @protected
- */
-Blockly.VerticalFlyout.prototype.reflowInternal_ = function() {
-  this.workspace_.scale = this.targetWorkspace.scale;
-  var flyoutWidth = 0;
-  var blocks = this.workspace_.getTopBlocks(false);
-  for (var i = 0, block; (block = blocks[i]); i++) {
-    var width = block.getHeightWidth().width;
-    if (block.outputConnection) {
-      width -= this.tabWidth_;
-    }
-    flyoutWidth = Math.max(flyoutWidth, width);
-  }
-  for (var i = 0, button; (button = this.buttons_[i]); i++) {
-    flyoutWidth = Math.max(flyoutWidth, button.width);
-  }
-  flyoutWidth += this.MARGIN * 1.5 + this.tabWidth_;
-  flyoutWidth *= this.workspace_.scale;
-  flyoutWidth += Blockly.Scrollbar.scrollbarThickness;
-
-  if (this.width_ != flyoutWidth) {
-    for (var i = 0, block; (block = blocks[i]); i++) {
-      if (this.RTL) {
-        // With the flyoutWidth known, right-align the blocks.
-        var oldX = block.getRelativeToSurfaceXY().x;
-        var newX = flyoutWidth / this.workspace_.scale - this.MARGIN;
-        if (!block.outputConnection) {
-          newX -= this.tabWidth_;
-        }
-        block.moveBy(newX - oldX, 0);
-      }
-      if (block.flyoutRect_) {
-        this.moveRectToBlock_(block.flyoutRect_, block);
-      }
-    }
-    if (this.RTL) {
-      // With the flyoutWidth known, right-align the buttons.
-      for (var i = 0, button; (button = this.buttons_[i]); i++) {
-        var y = button.getPosition().y;
-        var x = flyoutWidth / this.workspace_.scale - button.width -
-            this.MARGIN - this.tabWidth_;
-        button.moveTo(x, y);
-      }
-    }
-
-    if (this.targetWorkspace.toolboxPosition == this.toolboxPosition_ &&
-        this.toolboxPosition_ == Blockly.TOOLBOX_AT_LEFT &&
-        !this.targetWorkspace.getToolbox()) {
-      // This flyout is a simple toolbox. Reposition the workspace so that (0,0)
-      // is in the correct position relative to the new absolute edge (ie
-      // toolbox edge).
-      this.targetWorkspace.translate(
-          this.targetWorkspace.scrollX + flyoutWidth, 0);
-    }
-
-    // Record the width for .getMetrics_ and .position.
-    this.width_ = flyoutWidth;
-    this.position();
-  }
-};
-
-Blockly.registry.register(Blockly.registry.Type.FLYOUTS_VERTICAL_TOOLBOX,
-    Blockly.registry.DEFAULT, Blockly.VerticalFlyout);
diff --git a/core/flyout_vertical.ts b/core/flyout_vertical.ts
new file mode 100644
index 00000000000..59682a390d2
--- /dev/null
+++ b/core/flyout_vertical.ts
@@ -0,0 +1,408 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Layout code for a vertical variant of the flyout.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.VerticalFlyout
+
+import * as browserEvents from './browser_events.js';
+import * as dropDownDiv from './dropdowndiv.js';
+import {Flyout, FlyoutItem} from './flyout_base.js';
+import type {FlyoutButton} from './flyout_button.js';
+import type {Options} from './options.js';
+import * as registry from './registry.js';
+import {Scrollbar} from './scrollbar.js';
+import type {Coordinate} from './utils/coordinate.js';
+import {Rect} from './utils/rect.js';
+import * as toolbox from './utils/toolbox.js';
+import * as WidgetDiv from './widgetdiv.js';
+
+/**
+ * Class for a flyout.
+ */
+export class VerticalFlyout extends Flyout {
+  /** The name of the vertical flyout in the registry. */
+  static registryName = 'verticalFlyout';
+
+  /** @param workspaceOptions Dictionary of options for the workspace. */
+  constructor(workspaceOptions: Options) {
+    super(workspaceOptions);
+  }
+
+  /**
+   * Sets the translation of the flyout to match the scrollbars.
+   *
+   * @param xyRatio Contains a y property which is a float between 0 and 1
+   *     specifying the degree of scrolling and a similar x property.
+   */
+  protected override setMetrics_(xyRatio: {x: number; y: number}) {
+    if (!this.isVisible()) {
+      return;
+    }
+    const metricsManager = this.workspace_.getMetricsManager();
+    const scrollMetrics = metricsManager.getScrollMetrics();
+    const viewMetrics = metricsManager.getViewMetrics();
+    const absoluteMetrics = metricsManager.getAbsoluteMetrics();
+
+    if (typeof xyRatio.y === 'number') {
+      this.workspace_.scrollY = -(
+        scrollMetrics.top +
+        (scrollMetrics.height - viewMetrics.height) * xyRatio.y
+      );
+    }
+    this.workspace_.translate(
+      this.workspace_.scrollX + absoluteMetrics.left,
+      this.workspace_.scrollY + absoluteMetrics.top,
+    );
+  }
+
+  /**
+   * Calculates the x coordinate for the flyout position.
+   *
+   * @returns X coordinate.
+   */
+  override getX(): number {
+    if (!this.isVisible()) {
+      return 0;
+    }
+    const metricsManager = this.targetWorkspace!.getMetricsManager();
+    const absoluteMetrics = metricsManager.getAbsoluteMetrics();
+    const viewMetrics = metricsManager.getViewMetrics();
+    const toolboxMetrics = metricsManager.getToolboxMetrics();
+    let x = 0;
+
+    // If this flyout is not the trashcan flyout (e.g. toolbox or mutator).
+    // Trashcan flyout is opposite the main flyout.
+    if (this.targetWorkspace!.toolboxPosition === this.toolboxPosition_) {
+      // If there is a category toolbox.
+      // Simple (flyout-only) toolbox.
+      if (this.targetWorkspace!.getToolbox()) {
+        if (this.toolboxPosition_ === toolbox.Position.LEFT) {
+          x = toolboxMetrics.width;
+        } else {
+          x = viewMetrics.width - this.width_;
+        }
+      } else {
+        if (this.toolboxPosition_ === toolbox.Position.LEFT) {
+          x = 0;
+        } else {
+          // The simple flyout does not cover the workspace.
+          x = viewMetrics.width;
+        }
+      }
+    } else {
+      if (this.toolboxPosition_ === toolbox.Position.LEFT) {
+        x = 0;
+      } else {
+        // Because the anchor point of the flyout is on the left, but we want
+        // to align the right edge of the flyout with the right edge of the
+        // blocklyDiv, we calculate the full width of the div minus the width
+        // of the flyout.
+        x = viewMetrics.width + absoluteMetrics.left - this.width_;
+      }
+    }
+
+    return x;
+  }
+
+  /**
+   * Calculates the y coordinate for the flyout position.
+   *
+   * @returns Y coordinate.
+   */
+  override getY(): number {
+    // Y is always 0 since this is a vertical flyout.
+    return 0;
+  }
+
+  /** Move the flyout to the edge of the workspace. */
+  override position() {
+    if (!this.isVisible() || !this.targetWorkspace!.isVisible()) {
+      return;
+    }
+    const metricsManager = this.targetWorkspace!.getMetricsManager();
+    const targetWorkspaceViewMetrics = metricsManager.getViewMetrics();
+    this.height_ = targetWorkspaceViewMetrics.height;
+
+    const edgeWidth = this.width_ - this.CORNER_RADIUS;
+    const edgeHeight =
+      targetWorkspaceViewMetrics.height - 2 * this.CORNER_RADIUS;
+    this.setBackgroundPath(edgeWidth, edgeHeight);
+
+    const x = this.getX();
+    const y = this.getY();
+
+    this.positionAt_(this.width_, this.height_, x, y);
+  }
+
+  /**
+   * Create and set the path for the visible boundaries of the flyout.
+   *
+   * @param width The width of the flyout, not including the rounded corners.
+   * @param height The height of the flyout, not including rounded corners.
+   */
+  private setBackgroundPath(width: number, height: number) {
+    const atRight = this.toolboxPosition_ === toolbox.Position.RIGHT;
+    const totalWidth = width + this.CORNER_RADIUS;
+
+    // Decide whether to start on the left or right.
+    const path: Array<string | number> = [
+      'M ' + (atRight ? totalWidth : 0) + ',0',
+    ];
+    // Top.
+    path.push('h', atRight ? -width : width);
+    // Rounded corner.
+    path.push(
+      'a',
+      this.CORNER_RADIUS,
+      this.CORNER_RADIUS,
+      0,
+      0,
+      atRight ? 0 : 1,
+      atRight ? -this.CORNER_RADIUS : this.CORNER_RADIUS,
+      this.CORNER_RADIUS,
+    );
+    // Side closest to workspace.
+    path.push('v', Math.max(0, height));
+    // Rounded corner.
+    path.push(
+      'a',
+      this.CORNER_RADIUS,
+      this.CORNER_RADIUS,
+      0,
+      0,
+      atRight ? 0 : 1,
+      atRight ? this.CORNER_RADIUS : -this.CORNER_RADIUS,
+      this.CORNER_RADIUS,
+    );
+    // Bottom.
+    path.push('h', atRight ? width : -width);
+    path.push('z');
+    this.svgBackground_!.setAttribute('d', path.join(' '));
+  }
+
+  /** Scroll the flyout to the top. */
+  override scrollToStart() {
+    this.workspace_.scrollbar?.setY(0);
+  }
+
+  /**
+   * Scroll the flyout.
+   *
+   * @param e Mouse wheel scroll event.
+   */
+  protected override wheel_(e: WheelEvent) {
+    const scrollDelta = browserEvents.getScrollDeltaPixels(e);
+
+    if (scrollDelta.y) {
+      const metricsManager = this.workspace_.getMetricsManager();
+      const scrollMetrics = metricsManager.getScrollMetrics();
+      const viewMetrics = metricsManager.getViewMetrics();
+      const pos = viewMetrics.top - scrollMetrics.top + scrollDelta.y;
+
+      this.workspace_.scrollbar?.setY(pos);
+      // When the flyout moves from a wheel event, hide WidgetDiv and
+      // dropDownDiv.
+      WidgetDiv.hideIfOwnerIsInWorkspace(this.workspace_);
+      dropDownDiv.hideWithoutAnimation();
+    }
+    // Don't scroll the page.
+    e.preventDefault();
+    // Don't propagate mousewheel event (zooming).
+    e.stopPropagation();
+  }
+
+  /**
+   * Lay out the blocks in the flyout.
+   *
+   * @param contents The blocks and buttons to lay out.
+   * @param gaps The visible gaps between blocks.
+   */
+  protected override layout_(contents: FlyoutItem[], gaps: number[]) {
+    this.workspace_.scale = this.targetWorkspace!.scale;
+    const margin = this.MARGIN;
+    const cursorX = this.RTL ? margin : margin + this.tabWidth_;
+    let cursorY = margin;
+
+    for (let i = 0, item; (item = contents[i]); i++) {
+      if (item.type === 'block') {
+        const block = item.block;
+        if (!block) {
+          continue;
+        }
+        const allBlocks = block.getDescendants(false);
+        for (let j = 0, child; (child = allBlocks[j]); j++) {
+          // Mark blocks as being inside a flyout.  This is used to detect and
+          // prevent the closure of the flyout if the user right-clicks on such
+          // a block.
+          child.isInFlyout = true;
+        }
+        const root = block.getSvgRoot();
+        const blockHW = block.getHeightWidth();
+        const moveX = block.outputConnection
+          ? cursorX - this.tabWidth_
+          : cursorX;
+        block.moveBy(moveX, cursorY);
+
+        const rect = this.createRect_(
+          block,
+          this.RTL ? moveX - blockHW.width : moveX,
+          cursorY,
+          blockHW,
+          i,
+        );
+
+        this.addBlockListeners_(root, block, rect);
+
+        cursorY += blockHW.height + gaps[i];
+      } else if (item.type === 'button') {
+        const button = item.button as FlyoutButton;
+        this.initFlyoutButton_(button, cursorX, cursorY);
+        cursorY += button.height + gaps[i];
+      }
+    }
+  }
+
+  /**
+   * Determine if a drag delta is toward the workspace, based on the position
+   * and orientation of the flyout. This is used in determineDragIntention_ to
+   * determine if a new block should be created or if the flyout should scroll.
+   *
+   * @param currentDragDeltaXY How far the pointer has moved from the position
+   *     at mouse down, in pixel units.
+   * @returns True if the drag is toward the workspace.
+   */
+  override isDragTowardWorkspace(currentDragDeltaXY: Coordinate): boolean {
+    const dx = currentDragDeltaXY.x;
+    const dy = currentDragDeltaXY.y;
+    // Direction goes from -180 to 180, with 0 toward the right and 90 on top.
+    const dragDirection = (Math.atan2(dy, dx) / Math.PI) * 180;
+
+    const range = this.dragAngleRange_;
+    // Check for left or right dragging.
+    if (
+      (dragDirection < range && dragDirection > -range) ||
+      dragDirection < -180 + range ||
+      dragDirection > 180 - range
+    ) {
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * Returns the bounding rectangle of the drag target area in pixel units
+   * relative to viewport.
+   *
+   * @returns The component's bounding box. Null if drag target area should be
+   *     ignored.
+   */
+  override getClientRect(): Rect | null {
+    if (!this.svgGroup_ || this.autoClose || !this.isVisible()) {
+      // The bounding rectangle won't compute correctly if the flyout is closed
+      // and auto-close flyouts aren't valid drag targets (or delete areas).
+      return null;
+    }
+
+    const flyoutRect = this.svgGroup_.getBoundingClientRect();
+    // BIG_NUM is offscreen padding so that blocks dragged beyond the shown
+    // flyout area are still deleted.  Must be larger than the largest screen
+    // size, but be smaller than half Number.MAX_SAFE_INTEGER (not available on
+    // IE).
+    const BIG_NUM = 1000000000;
+    const left = flyoutRect.left;
+
+    if (this.toolboxPosition_ === toolbox.Position.LEFT) {
+      const width = flyoutRect.width;
+      return new Rect(-BIG_NUM, BIG_NUM, -BIG_NUM, left + width);
+    } else {
+      // Right
+      return new Rect(-BIG_NUM, BIG_NUM, left, BIG_NUM);
+    }
+  }
+
+  /**
+   * Compute width of flyout.  toolbox.Position mat under each block.
+   * For RTL: Lay out the blocks and buttons to be right-aligned.
+   */
+  protected override reflowInternal_() {
+    this.workspace_.scale = this.getFlyoutScale();
+    let flyoutWidth = 0;
+    const blocks = this.workspace_.getTopBlocks(false);
+    for (let i = 0, block; (block = blocks[i]); i++) {
+      let width = block.getHeightWidth().width;
+      if (block.outputConnection) {
+        width -= this.tabWidth_;
+      }
+      flyoutWidth = Math.max(flyoutWidth, width);
+    }
+    for (let i = 0, button; (button = this.buttons_[i]); i++) {
+      flyoutWidth = Math.max(flyoutWidth, button.width);
+    }
+    flyoutWidth += this.MARGIN * 1.5 + this.tabWidth_;
+    flyoutWidth *= this.workspace_.scale;
+    flyoutWidth += Scrollbar.scrollbarThickness;
+
+    if (this.width_ !== flyoutWidth) {
+      for (let i = 0, block; (block = blocks[i]); i++) {
+        if (this.RTL) {
+          // With the flyoutWidth known, right-align the blocks.
+          const oldX = block.getRelativeToSurfaceXY().x;
+          let newX = flyoutWidth / this.workspace_.scale - this.MARGIN;
+          if (!block.outputConnection) {
+            newX -= this.tabWidth_;
+          }
+          block.moveBy(newX - oldX, 0);
+        }
+        if (this.rectMap_.has(block)) {
+          this.moveRectToBlock_(this.rectMap_.get(block)!, block);
+        }
+      }
+      if (this.RTL) {
+        // With the flyoutWidth known, right-align the buttons.
+        for (let i = 0, button; (button = this.buttons_[i]); i++) {
+          const y = button.getPosition().y;
+          const x =
+            flyoutWidth / this.workspace_.scale -
+            button.width -
+            this.MARGIN -
+            this.tabWidth_;
+          button.moveTo(x, y);
+        }
+      }
+
+      // TODO(#7689): Remove this.
+      // Workspace with no scrollbars where this is permanently
+      // open on the left.
+      // If scrollbars exist they properly update the metrics.
+      if (
+        !this.targetWorkspace.scrollbar &&
+        !this.autoClose &&
+        this.targetWorkspace.getFlyout() === this &&
+        this.toolboxPosition_ === toolbox.Position.LEFT
+      ) {
+        this.targetWorkspace.translate(
+          this.targetWorkspace.scrollX + flyoutWidth,
+          this.targetWorkspace.scrollY,
+        );
+      }
+
+      this.width_ = flyoutWidth;
+      this.position();
+      this.targetWorkspace.resizeContents();
+      this.targetWorkspace.recordDragTargets();
+    }
+  }
+}
+
+registry.register(
+  registry.Type.FLYOUTS_VERTICAL_TOOLBOX,
+  registry.DEFAULT,
+  VerticalFlyout,
+);
diff --git a/core/generator.js b/core/generator.js
deleted file mode 100644
index f556f6894b2..00000000000
--- a/core/generator.js
+++ /dev/null
@@ -1,482 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utility functions for generating executable code from
- * Blockly code.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Generator');
-
-goog.require('Blockly.Block');
-
-
-/**
- * Class for a code generator that translates the blocks into a language.
- * @param {string} name Language name of this generator.
- * @constructor
- */
-Blockly.Generator = function(name) {
-  this.name_ = name;
-  this.FUNCTION_NAME_PLACEHOLDER_REGEXP_ =
-      new RegExp(this.FUNCTION_NAME_PLACEHOLDER_, 'g');
-};
-
-/**
- * Category to separate generated function names from variables and procedures.
- */
-Blockly.Generator.NAME_TYPE = 'generated_function';
-
-/**
- * Arbitrary code to inject into locations that risk causing infinite loops.
- * Any instances of '%1' will be replaced by the block ID that failed.
- * E.g. '  checkTimeout(%1);\n'
- * @type {?string}
- */
-Blockly.Generator.prototype.INFINITE_LOOP_TRAP = null;
-
-/**
- * Arbitrary code to inject before every statement.
- * Any instances of '%1' will be replaced by the block ID of the statement.
- * E.g. 'highlight(%1);\n'
- * @type {?string}
- */
-Blockly.Generator.prototype.STATEMENT_PREFIX = null;
-
-/**
- * Arbitrary code to inject after every statement.
- * Any instances of '%1' will be replaced by the block ID of the statement.
- * E.g. 'highlight(%1);\n'
- * @type {?string}
- */
-Blockly.Generator.prototype.STATEMENT_SUFFIX = null;
-
-/**
- * The method of indenting.  Defaults to two spaces, but language generators
- * may override this to increase indent or change to tabs.
- * @type {string}
- */
-Blockly.Generator.prototype.INDENT = '  ';
-
-/**
- * Maximum length for a comment before wrapping.  Does not account for
- * indenting level.
- * @type {number}
- */
-Blockly.Generator.prototype.COMMENT_WRAP = 60;
-
-/**
- * List of outer-inner pairings that do NOT require parentheses.
- * @type {!Array.<!Array.<number>>}
- */
-Blockly.Generator.prototype.ORDER_OVERRIDES = [];
-
-/**
- * Generate code for all blocks in the workspace to the specified language.
- * @param {Blockly.Workspace} workspace Workspace to generate code from.
- * @return {string} Generated code.
- */
-Blockly.Generator.prototype.workspaceToCode = function(workspace) {
-  if (!workspace) {
-    // Backwards compatibility from before there could be multiple workspaces.
-    console.warn('No workspace specified in workspaceToCode call.  Guessing.');
-    workspace = Blockly.getMainWorkspace();
-  }
-  var code = [];
-  this.init(workspace);
-  var blocks = workspace.getTopBlocks(true);
-  for (var i = 0, block; (block = blocks[i]); i++) {
-    var line = this.blockToCode(block);
-    if (Array.isArray(line)) {
-      // Value blocks return tuples of code and operator order.
-      // Top-level blocks don't care about operator order.
-      line = line[0];
-    }
-    if (line) {
-      if (block.outputConnection) {
-        // This block is a naked value.  Ask the language's code generator if
-        // it wants to append a semicolon, or something.
-        line = this.scrubNakedValue(line);
-        if (this.STATEMENT_PREFIX && !block.suppressPrefixSuffix) {
-          line = this.injectId(this.STATEMENT_PREFIX, block) + line;
-        }
-        if (this.STATEMENT_SUFFIX && !block.suppressPrefixSuffix) {
-          line = line + this.injectId(this.STATEMENT_SUFFIX, block);
-        }
-      }
-      code.push(line);
-    }
-  }
-  code = code.join('\n');  // Blank line between each section.
-  code = this.finish(code);
-  // Final scrubbing of whitespace.
-  code = code.replace(/^\s+\n/, '');
-  code = code.replace(/\n\s+$/, '\n');
-  code = code.replace(/[ \t]+\n/g, '\n');
-  return code;
-};
-
-// The following are some helpful functions which can be used by multiple
-// languages.
-
-/**
- * Prepend a common prefix onto each line of code.
- * Intended for indenting code or adding comment markers.
- * @param {string} text The lines of code.
- * @param {string} prefix The common prefix.
- * @return {string} The prefixed lines of code.
- */
-Blockly.Generator.prototype.prefixLines = function(text, prefix) {
-  return prefix + text.replace(/(?!\n$)\n/g, '\n' + prefix);
-};
-
-/**
- * Recursively spider a tree of blocks, returning all their comments.
- * @param {!Blockly.Block} block The block from which to start spidering.
- * @return {string} Concatenated list of comments.
- */
-Blockly.Generator.prototype.allNestedComments = function(block) {
-  var comments = [];
-  var blocks = block.getDescendants(true);
-  for (var i = 0; i < blocks.length; i++) {
-    var comment = blocks[i].getCommentText();
-    if (comment) {
-      comments.push(comment);
-    }
-  }
-  // Append an empty string to create a trailing line break when joined.
-  if (comments.length) {
-    comments.push('');
-  }
-  return comments.join('\n');
-};
-
-/**
- * Generate code for the specified block (and attached blocks).
- * @param {Blockly.Block} block The block to generate code for.
- * @param {boolean=} opt_thisOnly True to generate code for only this statement.
- * @return {string|!Array} For statement blocks, the generated code.
- *     For value blocks, an array containing the generated code and an
- *     operator order value.  Returns '' if block is null.
- */
-Blockly.Generator.prototype.blockToCode = function(block, opt_thisOnly) {
-  if (!block) {
-    return '';
-  }
-  if (!block.isEnabled()) {
-    // Skip past this block if it is disabled.
-    return opt_thisOnly ? '' : this.blockToCode(block.getNextBlock());
-  }
-  if (block.isInsertionMarker()) {
-    // Skip past insertion markers.
-    return opt_thisOnly ? '' : this.blockToCode(block.getChildren(false)[0]);
-  }
-
-  var func = this[block.type];
-  if (typeof func != 'function') {
-    throw Error('Language "' + this.name_ + '" does not know how to generate ' +
-        ' code for block type "' + block.type + '".');
-  }
-  // First argument to func.call is the value of 'this' in the generator.
-  // Prior to 24 September 2013 'this' was the only way to access the block.
-  // The current preferred method of accessing the block is through the second
-  // argument to func.call, which becomes the first parameter to the generator.
-  var code = func.call(block, block);
-  if (Array.isArray(code)) {
-    // Value blocks return tuples of code and operator order.
-    if (!block.outputConnection) {
-      throw TypeError('Expecting string from statement block: ' + block.type);
-    }
-    return [this.scrub_(block, code[0], opt_thisOnly), code[1]];
-  } else if (typeof code == 'string') {
-    if (this.STATEMENT_PREFIX && !block.suppressPrefixSuffix) {
-      code = this.injectId(this.STATEMENT_PREFIX, block) + code;
-    }
-    if (this.STATEMENT_SUFFIX && !block.suppressPrefixSuffix) {
-      code = code + this.injectId(this.STATEMENT_SUFFIX, block);
-    }
-    return this.scrub_(block, code, opt_thisOnly);
-  } else if (code === null) {
-    // Block has handled code generation itself.
-    return '';
-  } else {
-    throw SyntaxError('Invalid code generated: ' + code);
-  }
-};
-
-/**
- * Generate code representing the specified value input.
- * @param {!Blockly.Block} block The block containing the input.
- * @param {string} name The name of the input.
- * @param {number} outerOrder The maximum binding strength (minimum order value)
- *     of any operators adjacent to "block".
- * @return {string} Generated code or '' if no blocks are connected or the
- *     specified input does not exist.
- */
-Blockly.Generator.prototype.valueToCode = function(block, name, outerOrder) {
-  if (isNaN(outerOrder)) {
-    throw TypeError('Expecting valid order from block: ' + block.type);
-  }
-  var targetBlock = block.getInputTargetBlock(name);
-  if (!targetBlock) {
-    return '';
-  }
-  var tuple = this.blockToCode(targetBlock);
-  if (tuple === '') {
-    // Disabled block.
-    return '';
-  }
-  // Value blocks must return code and order of operations info.
-  // Statement blocks must only return code.
-  if (!Array.isArray(tuple)) {
-    throw TypeError('Expecting tuple from value block: ' + targetBlock.type);
-  }
-  var code = tuple[0];
-  var innerOrder = tuple[1];
-  if (isNaN(innerOrder)) {
-    throw TypeError('Expecting valid order from value block: ' +
-        targetBlock.type);
-  }
-  if (!code) {
-    return '';
-  }
-
-  // Add parentheses if needed.
-  var parensNeeded = false;
-  var outerOrderClass = Math.floor(outerOrder);
-  var innerOrderClass = Math.floor(innerOrder);
-  if (outerOrderClass <= innerOrderClass) {
-    if (outerOrderClass == innerOrderClass &&
-        (outerOrderClass == 0 || outerOrderClass == 99)) {
-      // Don't generate parens around NONE-NONE and ATOMIC-ATOMIC pairs.
-      // 0 is the atomic order, 99 is the none order.  No parentheses needed.
-      // In all known languages multiple such code blocks are not order
-      // sensitive.  In fact in Python ('a' 'b') 'c' would fail.
-    } else {
-      // The operators outside this code are stronger than the operators
-      // inside this code.  To prevent the code from being pulled apart,
-      // wrap the code in parentheses.
-      parensNeeded = true;
-      // Check for special exceptions.
-      for (var i = 0; i < this.ORDER_OVERRIDES.length; i++) {
-        if (this.ORDER_OVERRIDES[i][0] == outerOrder &&
-            this.ORDER_OVERRIDES[i][1] == innerOrder) {
-          parensNeeded = false;
-          break;
-        }
-      }
-    }
-  }
-  if (parensNeeded) {
-    // Technically, this should be handled on a language-by-language basis.
-    // However all known (sane) languages use parentheses for grouping.
-    code = '(' + code + ')';
-  }
-  return code;
-};
-
-/**
- * Generate a code string representing the blocks attached to the named
- * statement input. Indent the code.
- * This is mainly used in generators. When trying to generate code to evaluate
- * look at using workspaceToCode or blockToCode.
- * @param {!Blockly.Block} block The block containing the input.
- * @param {string} name The name of the input.
- * @return {string} Generated code or '' if no blocks are connected.
- */
-Blockly.Generator.prototype.statementToCode = function(block, name) {
-  var targetBlock = block.getInputTargetBlock(name);
-  var code = this.blockToCode(targetBlock);
-  // Value blocks must return code and order of operations info.
-  // Statement blocks must only return code.
-  if (typeof code != 'string') {
-    throw TypeError('Expecting code from statement block: ' +
-        (targetBlock && targetBlock.type));
-  }
-  if (code) {
-    code = this.prefixLines(/** @type {string} */ (code), this.INDENT);
-  }
-  return code;
-};
-
-/**
- * Add an infinite loop trap to the contents of a loop.
- * Add statement suffix at the start of the loop block (right after the loop
- * statement executes), and a statement prefix to the end of the loop block
- * (right before the loop statement executes).
- * @param {string} branch Code for loop contents.
- * @param {!Blockly.Block} block Enclosing block.
- * @return {string} Loop contents, with infinite loop trap added.
- */
-Blockly.Generator.prototype.addLoopTrap = function(branch, block) {
-  if (this.INFINITE_LOOP_TRAP) {
-    branch = this.prefixLines(this.injectId(this.INFINITE_LOOP_TRAP, block),
-        this.INDENT) + branch;
-  }
-  if (this.STATEMENT_SUFFIX && !block.suppressPrefixSuffix) {
-    branch = this.prefixLines(this.injectId(this.STATEMENT_SUFFIX, block),
-        this.INDENT) + branch;
-  }
-  if (this.STATEMENT_PREFIX && !block.suppressPrefixSuffix) {
-    branch = branch + this.prefixLines(this.injectId(this.STATEMENT_PREFIX,
-        block), this.INDENT);
-  }
-  return branch;
-};
-
-/**
- * Inject a block ID into a message to replace '%1'.
- * Used for STATEMENT_PREFIX, STATEMENT_SUFFIX, and INFINITE_LOOP_TRAP.
- * @param {string} msg Code snippet with '%1'.
- * @param {!Blockly.Block} block Block which has an ID.
- * @return {string} Code snippet with ID.
- */
-Blockly.Generator.prototype.injectId = function(msg, block) {
-  var id = block.id.replace(/\$/g, '$$$$');  // Issue 251.
-  return msg.replace(/%1/g, '\'' + id + '\'');
-};
-
-/**
- * Comma-separated list of reserved words.
- * @type {string}
- * @protected
- */
-Blockly.Generator.prototype.RESERVED_WORDS_ = '';
-
-/**
- * Add one or more words to the list of reserved words for this language.
- * @param {string} words Comma-separated list of words to add to the list.
- *     No spaces.  Duplicates are ok.
- */
-Blockly.Generator.prototype.addReservedWords = function(words) {
-  this.RESERVED_WORDS_ += words + ',';
-};
-
-/**
- * This is used as a placeholder in functions defined using
- * Blockly.Generator.provideFunction_.  It must not be legal code that could
- * legitimately appear in a function definition (or comment), and it must
- * not confuse the regular expression parser.
- * @type {string}
- * @protected
- */
-Blockly.Generator.prototype.FUNCTION_NAME_PLACEHOLDER_ = '{leCUI8hutHZI4480Dc}';
-
-/**
- * A dictionary of definitions to be printed before the code.
- * @type {Object}
- * @protected
- */
-Blockly.Generator.prototype.definitions_;
-
-/**
- * A dictionary mapping desired function names in definitions_ to actual
- * function names (to avoid collisions with user functions).
- * @type {Object}
- * @protected
- */
-Blockly.Generator.prototype.functionNames_;
-
-/**
- * A database of variable names.
- * @type {Blockly.Names}
- * @protected
- */
-Blockly.Generator.prototype.variableDB_;
-
-/**
- * Define a function to be included in the generated code.
- * The first time this is called with a given desiredName, the code is
- * saved and an actual name is generated.  Subsequent calls with the
- * same desiredName have no effect but have the same return value.
- *
- * It is up to the caller to make sure the same desiredName is not
- * used for different code values.
- *
- * The code gets output when Blockly.Generator.finish() is called.
- *
- * @param {string} desiredName The desired name of the function (e.g., isPrime).
- * @param {!Array.<string>} code A list of statements.  Use '  ' for indents.
- * @return {string} The actual name of the new function.  This may differ
- *     from desiredName if the former has already been taken by the user.
- * @protected
- */
-Blockly.Generator.prototype.provideFunction_ = function(desiredName, code) {
-  if (!this.definitions_[desiredName]) {
-    var functionName = this.variableDB_.getDistinctName(desiredName,
-        Blockly.PROCEDURE_CATEGORY_NAME);
-    this.functionNames_[desiredName] = functionName;
-    var codeText = code.join('\n').replace(
-        this.FUNCTION_NAME_PLACEHOLDER_REGEXP_, functionName);
-    // Change all '  ' indents into the desired indent.
-    // To avoid an infinite loop of replacements, change all indents to '\0'
-    // character first, then replace them all with the indent.
-    // We are assuming that no provided functions contain a literal null char.
-    var oldCodeText;
-    while (oldCodeText != codeText) {
-      oldCodeText = codeText;
-      codeText = codeText.replace(/^(( {2})*) {2}/gm, '$1\0');
-    }
-    codeText = codeText.replace(/\0/g, this.INDENT);
-    this.definitions_[desiredName] = codeText;
-  }
-  return this.functionNames_[desiredName];
-};
-
-/**
- * Hook for code to run before code generation starts.
- * Subclasses may override this, e.g. to initialise the database of variable
- * names.
- * @param {!Blockly.Workspace} _workspace Workspace to generate code from.
- */
-Blockly.Generator.prototype.init = function(_workspace) {
-  // Optionally override
-};
-
-/**
- * Common tasks for generating code from blocks.  This is called from
- * blockToCode and is called on every block, not just top level blocks.
- * Subclasses may override this, e.g. to generate code for statements following
- * the block, or to handle comments for the specified block and any connected
- * value blocks.
- * @param {!Blockly.Block} _block The current block.
- * @param {string} code The code created for this block.
- * @param {boolean=} _opt_thisOnly True to generate code for only this
- *     statement.
- * @return {string} Code with comments and subsequent blocks added.
- * @protected
- */
-Blockly.Generator.prototype.scrub_ = function(_block, code, _opt_thisOnly) {
-  // Optionally override
-  return code;
-};
-
-/**
- * Hook for code to run at end of code generation.
- * Subclasses may override this, e.g. to prepend the generated code with the
- * variable definitions.
- * @param {string} code Generated code.
- * @return {string} Completed code.
- */
-Blockly.Generator.prototype.finish = function(code) {
-  // Optionally override
-  return code;
-};
-
-/**
- * Naked values are top-level blocks with outputs that aren't plugged into
- * anything.
- * Subclasses may override this, e.g. if their language does not allow
- * naked values.
- * @param {string} line Line of generated code.
- * @return {string} Legal line of code.
- */
-Blockly.Generator.prototype.scrubNakedValue = function(line) {
-  // Optionally override
-  return line;
-};
diff --git a/core/generator.ts b/core/generator.ts
new file mode 100644
index 00000000000..7bb509f8ba3
--- /dev/null
+++ b/core/generator.ts
@@ -0,0 +1,611 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Utility functions for generating executable code from
+ * Blockly code.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.CodeGenerator
+
+import type {Block} from './block.js';
+import * as common from './common.js';
+import {Names, NameType} from './names.js';
+import type {Workspace} from './workspace.js';
+
+/**
+ * Deprecated, no-longer used type declaration for per-block-type generator
+ * functions.
+ *
+ * @deprecated
+ * @see {@link https://developers.google.com/blockly/guides/create-custom-blocks/generating-code}
+ * @param block The Block instance to generate code for.
+ * @param genearator The CodeGenerator calling the function.
+ * @returns A string containing the generated code (for statement blocks),
+ *     or a [code, precedence] tuple (for value/expression blocks), or
+ *     null if no code should be emitted for block.
+ */
+export type BlockGenerator = (
+  block: Block,
+  generator: CodeGenerator,
+) => [string, number] | string | null;
+
+/**
+ * Class for a code generator that translates the blocks into a language.
+ */
+export class CodeGenerator {
+  name_: string;
+
+  /**
+   * A dictionary of block generator functions, keyed by block type.
+   * Each block generator function takes two parameters:
+   *
+   * - the Block to generate code for, and
+   * - the calling CodeGenerator (or subclass) instance, so the
+   *   function can call methods defined below (e.g. blockToCode) or
+   *   on the relevant subclass (e.g. JavascripGenerator),
+   *
+   * and returns:
+   *
+   * - a [code, precedence] tuple (for value/expression blocks), or
+   * - a string containing the generated code (for statement blocks), or
+   * - null if no code should be emitted for block.
+   */
+  forBlock: Record<
+    string,
+    (block: Block, generator: this) => [string, number] | string | null
+  > = Object.create(null);
+
+  /**
+   * This is used as a placeholder in functions defined using
+   * CodeGenerator.provideFunction_.  It must not be legal code that could
+   * legitimately appear in a function definition (or comment), and it must
+   * not confuse the regular expression parser.
+   */
+  FUNCTION_NAME_PLACEHOLDER_ = '{leCUI8hutHZI4480Dc}';
+  FUNCTION_NAME_PLACEHOLDER_REGEXP_: RegExp;
+
+  /**
+   * Arbitrary code to inject into locations that risk causing infinite loops.
+   * Any instances of '%1' will be replaced by the block ID that failed.
+   * E.g. `  checkTimeout(%1);\n`
+   */
+  INFINITE_LOOP_TRAP: string | null = null;
+
+  /**
+   * Arbitrary code to inject before every statement.
+   * Any instances of '%1' will be replaced by the block ID of the statement.
+   * E.g. `highlight(%1);\n`
+   */
+  STATEMENT_PREFIX: string | null = null;
+
+  /**
+   * Arbitrary code to inject after every statement.
+   * Any instances of '%1' will be replaced by the block ID of the statement.
+   * E.g. `highlight(%1);\n`
+   */
+  STATEMENT_SUFFIX: string | null = null;
+
+  /**
+   * The method of indenting.  Defaults to two spaces, but language generators
+   * may override this to increase indent or change to tabs.
+   */
+  INDENT = '  ';
+
+  /**
+   * Maximum length for a comment before wrapping.  Does not account for
+   * indenting level.
+   */
+  COMMENT_WRAP = 60;
+
+  /** List of outer-inner pairings that do NOT require parentheses. */
+  ORDER_OVERRIDES: number[][] = [];
+
+  /**
+   * Whether the init method has been called.
+   * Generators that set this flag to false after creation and true in init
+   * will cause blockToCode to emit a warning if the generator has not been
+   * initialized. If this flag is untouched, it will have no effect.
+   */
+  isInitialized: boolean | null = null;
+
+  /** Comma-separated list of reserved words. */
+  protected RESERVED_WORDS_ = '';
+
+  /** A dictionary of definitions to be printed before the code. */
+  protected definitions_: {[key: string]: string} = Object.create(null);
+
+  /**
+   * A dictionary mapping desired function names in definitions_ to actual
+   * function names (to avoid collisions with user functions).
+   */
+  protected functionNames_: {[key: string]: string} = Object.create(null);
+
+  /** A database of variable and procedure names. */
+  nameDB_?: Names = undefined;
+
+  /** @param name Language name of this generator. */
+  constructor(name: string) {
+    this.name_ = name;
+
+    this.FUNCTION_NAME_PLACEHOLDER_REGEXP_ = new RegExp(
+      this.FUNCTION_NAME_PLACEHOLDER_,
+      'g',
+    );
+  }
+
+  /**
+   * Generate code for all blocks in the workspace to the specified language.
+   *
+   * @param workspace Workspace to generate code from.
+   * @returns Generated code.
+   */
+  workspaceToCode(workspace?: Workspace): string {
+    if (!workspace) {
+      // Backwards compatibility from before there could be multiple workspaces.
+      console.warn(
+        'No workspace specified in workspaceToCode call.  Guessing.',
+      );
+      workspace = common.getMainWorkspace();
+    }
+    const code = [];
+    this.init(workspace);
+    const blocks = workspace.getTopBlocks(true);
+    for (let i = 0, block; (block = blocks[i]); i++) {
+      let line = this.blockToCode(block);
+      if (Array.isArray(line)) {
+        // Value blocks return tuples of code and operator order.
+        // Top-level blocks don't care about operator order.
+        line = line[0];
+      }
+      if (line) {
+        if (block.outputConnection) {
+          // This block is a naked value.  Ask the language's code generator if
+          // it wants to append a semicolon, or something.
+          line = this.scrubNakedValue(line);
+          if (this.STATEMENT_PREFIX && !block.suppressPrefixSuffix) {
+            line = this.injectId(this.STATEMENT_PREFIX, block) + line;
+          }
+          if (this.STATEMENT_SUFFIX && !block.suppressPrefixSuffix) {
+            line = line + this.injectId(this.STATEMENT_SUFFIX, block);
+          }
+        }
+        code.push(line);
+      }
+    }
+    // Blank line between each section.
+    let codeString = code.join('\n');
+    codeString = this.finish(codeString);
+    // Final scrubbing of whitespace.
+    codeString = codeString.replace(/^\s+\n/, '');
+    codeString = codeString.replace(/\n\s+$/, '\n');
+    codeString = codeString.replace(/[ \t]+\n/g, '\n');
+    return codeString;
+  }
+
+  /**
+   * Prepend a common prefix onto each line of code.
+   * Intended for indenting code or adding comment markers.
+   *
+   * @param text The lines of code.
+   * @param prefix The common prefix.
+   * @returns The prefixed lines of code.
+   */
+  prefixLines(text: string, prefix: string): string {
+    return prefix + text.replace(/(?!\n$)\n/g, '\n' + prefix);
+  }
+
+  /**
+   * Recursively spider a tree of blocks, returning all their comments.
+   *
+   * @param block The block from which to start spidering.
+   * @returns Concatenated list of comments.
+   */
+  allNestedComments(block: Block): string {
+    const comments = [];
+    const blocks = block.getDescendants(true);
+    for (let i = 0; i < blocks.length; i++) {
+      const comment = blocks[i].getCommentText();
+      if (comment) {
+        comments.push(comment);
+      }
+    }
+    // Append an empty string to create a trailing line break when joined.
+    if (comments.length) {
+      comments.push('');
+    }
+    return comments.join('\n');
+  }
+
+  /**
+   * Generate code for the specified block (and attached blocks).
+   * The generator must be initialized before calling this function.
+   *
+   * @param block The block to generate code for.
+   * @param opt_thisOnly True to generate code for only this statement.
+   * @returns For statement blocks, the generated code.
+   *     For value blocks, an array containing the generated code and an
+   * operator order value.  Returns '' if block is null.
+   */
+  blockToCode(
+    block: Block | null,
+    opt_thisOnly?: boolean,
+  ): string | [string, number] {
+    if (this.isInitialized === false) {
+      console.warn(
+        'CodeGenerator init was not called before blockToCode was called.',
+      );
+    }
+    if (!block) {
+      return '';
+    }
+    if (!block.isEnabled()) {
+      // Skip past this block if it is disabled.
+      return opt_thisOnly ? '' : this.blockToCode(block.getNextBlock());
+    }
+    if (block.isInsertionMarker()) {
+      // Skip past insertion markers.
+      return opt_thisOnly ? '' : this.blockToCode(block.getChildren(false)[0]);
+    }
+
+    // Look up block generator function in dictionary - but fall back
+    // to looking up on this if not found, for backwards compatibility.
+    const func = this.forBlock[block.type];
+    if (typeof func !== 'function') {
+      throw Error(
+        `${this.name_} generator does not know how to generate code ` +
+          `for block type "${block.type}".`,
+      );
+    }
+    // First argument to func.call is the value of 'this' in the generator.
+    // Prior to 24 September 2013 'this' was the only way to access the block.
+    // The current preferred method of accessing the block is through the second
+    // argument to func.call, which becomes the first parameter to the
+    // generator.
+    let code = func.call(block, block, this);
+    if (Array.isArray(code)) {
+      // Value blocks return tuples of code and operator order.
+      if (!block.outputConnection) {
+        throw TypeError('Expecting string from statement block: ' + block.type);
+      }
+      return [this.scrub_(block, code[0], opt_thisOnly), code[1]];
+    } else if (typeof code === 'string') {
+      if (this.STATEMENT_PREFIX && !block.suppressPrefixSuffix) {
+        code = this.injectId(this.STATEMENT_PREFIX, block) + code;
+      }
+      if (this.STATEMENT_SUFFIX && !block.suppressPrefixSuffix) {
+        code = code + this.injectId(this.STATEMENT_SUFFIX, block);
+      }
+      return this.scrub_(block, code, opt_thisOnly);
+    } else if (code === null) {
+      // Block has handled code generation itself.
+      return '';
+    }
+    throw SyntaxError('Invalid code generated: ' + code);
+  }
+
+  /**
+   * Generate code representing the specified value input.
+   *
+   * @param block The block containing the input.
+   * @param name The name of the input.
+   * @param outerOrder The maximum binding strength (minimum order value) of any
+   *     operators adjacent to "block".
+   * @returns Generated code or '' if no blocks are connected or the specified
+   *     input does not exist.
+   */
+  valueToCode(block: Block, name: string, outerOrder: number): string {
+    if (isNaN(outerOrder)) {
+      throw TypeError('Expecting valid order from block: ' + block.type);
+    }
+    const targetBlock = block.getInputTargetBlock(name);
+    if (!targetBlock && !block.getInput(name)) {
+      throw ReferenceError(`Input "${name}" doesn't exist on "${block.type}"`);
+    }
+    if (!targetBlock) {
+      return '';
+    }
+    const tuple = this.blockToCode(targetBlock);
+    if (tuple === '') {
+      // Disabled block.
+      return '';
+    }
+    // Value blocks must return code and order of operations info.
+    // Statement blocks must only return code.
+    if (!Array.isArray(tuple)) {
+      throw TypeError(
+        `Expecting tuple from value block: ${targetBlock.type} See ` +
+          `developers.google.com/blockly/guides/create-custom-blocks/generating-code ` +
+          `for more information`,
+      );
+    }
+    let code = tuple[0];
+    const innerOrder = tuple[1];
+    if (isNaN(innerOrder)) {
+      throw TypeError(
+        'Expecting valid order from value block: ' + targetBlock.type,
+      );
+    }
+    if (!code) {
+      return '';
+    }
+
+    // Add parentheses if needed.
+    let parensNeeded = false;
+    const outerOrderClass = Math.floor(outerOrder);
+    const innerOrderClass = Math.floor(innerOrder);
+    if (outerOrderClass <= innerOrderClass) {
+      if (
+        outerOrderClass === innerOrderClass &&
+        (outerOrderClass === 0 || outerOrderClass === 99)
+      ) {
+        // Don't generate parens around NONE-NONE and ATOMIC-ATOMIC pairs.
+        // 0 is the atomic order, 99 is the none order.  No parentheses needed.
+        // In all known languages multiple such code blocks are not order
+        // sensitive.  In fact in Python ('a' 'b') 'c' would fail.
+      } else {
+        // The operators outside this code are stronger than the operators
+        // inside this code.  To prevent the code from being pulled apart,
+        // wrap the code in parentheses.
+        parensNeeded = true;
+        // Check for special exceptions.
+        for (let i = 0; i < this.ORDER_OVERRIDES.length; i++) {
+          if (
+            this.ORDER_OVERRIDES[i][0] === outerOrder &&
+            this.ORDER_OVERRIDES[i][1] === innerOrder
+          ) {
+            parensNeeded = false;
+            break;
+          }
+        }
+      }
+    }
+    if (parensNeeded) {
+      // Technically, this should be handled on a language-by-language basis.
+      // However all known (sane) languages use parentheses for grouping.
+      code = '(' + code + ')';
+    }
+    return code;
+  }
+
+  /**
+   * Generate a code string representing the blocks attached to the named
+   * statement input. Indent the code.
+   * This is mainly used in generators. When trying to generate code to evaluate
+   * look at using workspaceToCode or blockToCode.
+   *
+   * @param block The block containing the input.
+   * @param name The name of the input.
+   * @returns Generated code or '' if no blocks are connected.
+   */
+  statementToCode(block: Block, name: string): string {
+    const targetBlock = block.getInputTargetBlock(name);
+    if (!targetBlock && !block.getInput(name)) {
+      throw ReferenceError(`Input "${name}" doesn't exist on "${block.type}"`);
+    }
+    let code = this.blockToCode(targetBlock);
+    // Value blocks must return code and order of operations info.
+    // Statement blocks must only return code.
+    if (typeof code !== 'string') {
+      throw TypeError(
+        'Expecting code from statement block: ' +
+          (targetBlock && targetBlock.type),
+      );
+    }
+    if (code) {
+      code = this.prefixLines(code, this.INDENT);
+    }
+    return code;
+  }
+
+  /**
+   * Add an infinite loop trap to the contents of a loop.
+   * Add statement suffix at the start of the loop block (right after the loop
+   * statement executes), and a statement prefix to the end of the loop block
+   * (right before the loop statement executes).
+   *
+   * @param branch Code for loop contents.
+   * @param block Enclosing block.
+   * @returns Loop contents, with infinite loop trap added.
+   */
+  addLoopTrap(branch: string, block: Block): string {
+    if (this.INFINITE_LOOP_TRAP) {
+      branch =
+        this.prefixLines(
+          this.injectId(this.INFINITE_LOOP_TRAP, block),
+          this.INDENT,
+        ) + branch;
+    }
+    if (this.STATEMENT_SUFFIX && !block.suppressPrefixSuffix) {
+      branch =
+        this.prefixLines(
+          this.injectId(this.STATEMENT_SUFFIX, block),
+          this.INDENT,
+        ) + branch;
+    }
+    if (this.STATEMENT_PREFIX && !block.suppressPrefixSuffix) {
+      branch =
+        branch +
+        this.prefixLines(
+          this.injectId(this.STATEMENT_PREFIX, block),
+          this.INDENT,
+        );
+    }
+    return branch;
+  }
+
+  /**
+   * Inject a block ID into a message to replace '%1'.
+   * Used for STATEMENT_PREFIX, STATEMENT_SUFFIX, and INFINITE_LOOP_TRAP.
+   *
+   * @param msg Code snippet with '%1'.
+   * @param block Block which has an ID.
+   * @returns Code snippet with ID.
+   */
+  injectId(msg: string, block: Block): string {
+    const id = block.id.replace(/\$/g, '$$$$'); // Issue 251.
+    return msg.replace(/%1/g, "'" + id + "'");
+  }
+
+  /**
+   * Add one or more words to the list of reserved words for this language.
+   *
+   * @param words Comma-separated list of words to add to the list.
+   *     No spaces.  Duplicates are ok.
+   */
+  addReservedWords(words: string) {
+    this.RESERVED_WORDS_ += words + ',';
+  }
+
+  /**
+   * Define a developer-defined function (not a user-defined procedure) to be
+   * included in the generated code.  Used for creating private helper
+   * functions. The first time this is called with a given desiredName, the code
+   * is saved and an actual name is generated.  Subsequent calls with the same
+   * desiredName have no effect but have the same return value.
+   *
+   * It is up to the caller to make sure the same desiredName is not
+   * used for different helper functions (e.g. use "colourRandom" and
+   * "listRandom", not "random").  There is no danger of colliding with reserved
+   * words, or user-defined variable or procedure names.
+   *
+   * The code gets output when CodeGenerator.finish() is called.
+   *
+   * @param desiredName The desired name of the function (e.g. mathIsPrime).
+   * @param code A list of statements or one multi-line code string.  Use '  '
+   *     for indents (they will be replaced).
+   * @returns The actual name of the new function.  This may differ from
+   *     desiredName if the former has already been taken by the user.
+   */
+  provideFunction_(desiredName: string, code: string[] | string): string {
+    if (!this.definitions_[desiredName]) {
+      const functionName = this.nameDB_!.getDistinctName(
+        desiredName,
+        NameType.PROCEDURE,
+      );
+      this.functionNames_[desiredName] = functionName;
+      if (Array.isArray(code)) {
+        code = code.join('\n');
+      }
+      let codeText = code
+        .trim()
+        .replace(this.FUNCTION_NAME_PLACEHOLDER_REGEXP_, functionName);
+      // Change all '  ' indents into the desired indent.
+      // To avoid an infinite loop of replacements, change all indents to '\0'
+      // character first, then replace them all with the indent.
+      // We are assuming that no provided functions contain a literal null char.
+      let oldCodeText;
+      while (oldCodeText !== codeText) {
+        oldCodeText = codeText;
+        codeText = codeText.replace(/^(( {2})*) {2}/gm, '$1\0');
+      }
+      codeText = codeText.replace(/\0/g, this.INDENT);
+      this.definitions_[desiredName] = codeText;
+    }
+    return this.functionNames_[desiredName];
+  }
+
+  /**
+   * Gets a unique, legal name for a user-defined variable.
+   * Before calling this method, the `nameDB_` property of the class
+   * must have been initialized already. This is typically done in
+   * the `init` function of the code generator class.
+   *
+   * @param nameOrId The ID of the variable to get a name for,
+   *    or the proposed name for a variable not associated with an id.
+   * @returns A unique, legal name for the variable.
+   */
+  getVariableName(nameOrId: string): string {
+    return this.getName(nameOrId, NameType.VARIABLE);
+  }
+
+  /**
+   * Gets a unique, legal name for a user-defined procedure.
+   * Before calling this method, the `nameDB_` property of the class
+   * must have been initialized already. This is typically done in
+   * the `init` function of the code generator class.
+   *
+   * @param name The proposed name for a procedure.
+   * @returns A unique, legal name for the procedure.
+   */
+  getProcedureName(name: string): string {
+    return this.getName(name, NameType.PROCEDURE);
+  }
+
+  private getName(nameOrId: string, type: NameType): string {
+    if (!this.nameDB_) {
+      throw new Error(
+        'Name database is not defined. You must initialize `nameDB_` in your generator class and call `init` first.',
+      );
+    }
+    return this.nameDB_.getName(nameOrId, type);
+  }
+
+  /**
+   * Hook for code to run before code generation starts.
+   * Subclasses may override this, e.g. to initialise the database of variable
+   * names.
+   *
+   * @param _workspace Workspace to generate code from.
+   */
+  init(_workspace: Workspace) {
+    // Optionally override
+    // Create a dictionary of definitions to be printed before the code.
+    this.definitions_ = Object.create(null);
+    // Create a dictionary mapping desired developer-defined function names in
+    // definitions_ to actual function names (to avoid collisions with
+    // user-defined procedures).
+    this.functionNames_ = Object.create(null);
+  }
+
+  /**
+   * Common tasks for generating code from blocks.  This is called from
+   * blockToCode and is called on every block, not just top level blocks.
+   * Subclasses may override this, e.g. to generate code for statements
+   * following the block, or to handle comments for the specified block and any
+   * connected value blocks.
+   *
+   * @param _block The current block.
+   * @param code The code created for this block.
+   * @param _opt_thisOnly True to generate code for only this statement.
+   * @returns Code with comments and subsequent blocks added.
+   */
+  scrub_(_block: Block, code: string, _opt_thisOnly?: boolean): string {
+    // Optionally override
+    return code;
+  }
+
+  /**
+   * Hook for code to run at end of code generation.
+   * Subclasses may override this, e.g. to prepend the generated code with
+   * import statements or variable definitions.
+   *
+   * @param code Generated code.
+   * @returns Completed code.
+   */
+  finish(code: string): string {
+    // Optionally override
+    // Clean up temporary data.
+    this.definitions_ = Object.create(null);
+    this.functionNames_ = Object.create(null);
+    return code;
+  }
+
+  /**
+   * Naked values are top-level blocks with outputs that aren't plugged into
+   * anything.
+   * Subclasses may override this, e.g. if their language does not allow
+   * naked values.
+   *
+   * @param line Line of generated code.
+   * @returns Legal line of code.
+   */
+  scrubNakedValue(line: string): string {
+    // Optionally override
+    return line;
+  }
+}
diff --git a/core/gesture.js b/core/gesture.js
deleted file mode 100644
index 160724f91c0..00000000000
--- a/core/gesture.js
+++ /dev/null
@@ -1,993 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The class representing an in-progress gesture, usually a drag
- * or a tap.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.Gesture');
-
-goog.require('Blockly.ASTNode');
-goog.require('Blockly.blockAnimations');
-goog.require('Blockly.BlockDragger');
-goog.require('Blockly.BubbleDragger');
-goog.require('Blockly.constants');
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.Ui');
-goog.require('Blockly.FlyoutDragger');
-goog.require('Blockly.navigation');
-goog.require('Blockly.Tooltip');
-goog.require('Blockly.Touch');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.WorkspaceDragger');
-
-goog.requireType('Blockly.IBubble');
-goog.requireType('Blockly.IFlyout');
-
-
-/**
- * Note: In this file "start" refers to touchstart, mousedown, and pointerstart
- * events.  "End" refers to touchend, mouseup, and pointerend events.
- */
-// TODO: Consider touchcancel/pointercancel.
-
-/**
- * Class for one gesture.
- * @param {!Event} e The event that kicked off this gesture.
- * @param {!Blockly.WorkspaceSvg} creatorWorkspace The workspace that created
- *     this gesture and has a reference to it.
- * @constructor
- */
-Blockly.Gesture = function(e, creatorWorkspace) {
-  /**
-   * The position of the mouse when the gesture started.  Units are CSS pixels,
-   * with (0, 0) at the top left of the browser window (mouseEvent clientX/Y).
-   * @type {Blockly.utils.Coordinate}
-   * @private
-   */
-  this.mouseDownXY_ = null;
-
-  /**
-   * How far the mouse has moved during this drag, in pixel units.
-   * (0, 0) is at this.mouseDownXY_.
-   * @type {!Blockly.utils.Coordinate}
-   * @private
-   */
-  this.currentDragDeltaXY_ = new Blockly.utils.Coordinate(0, 0);
-
-  /**
-   * The bubble that the gesture started on, or null if it did not start on a
-   * bubble.
-   * @type {Blockly.IBubble}
-   * @private
-   */
-  this.startBubble_ = null;
-
-  /**
-   * The field that the gesture started on, or null if it did not start on a
-   * field.
-   * @type {Blockly.Field}
-   * @private
-   */
-  this.startField_ = null;
-
-  /**
-   * The block that the gesture started on, or null if it did not start on a
-   * block.
-   * @type {Blockly.BlockSvg}
-   * @private
-   */
-  this.startBlock_ = null;
-
-  /**
-   * The block that this gesture targets.  If the gesture started on a
-   * shadow block, this is the first non-shadow parent of the block.  If the
-   * gesture started in the flyout, this is the root block of the block group
-   * that was clicked or dragged.
-   * @type {Blockly.BlockSvg}
-   * @private
-   */
-  this.targetBlock_ = null;
-
-  /**
-   * The workspace that the gesture started on.  There may be multiple
-   * workspaces on a page; this is more accurate than using
-   * Blockly.getMainWorkspace().
-   * @type {Blockly.WorkspaceSvg}
-   * @protected
-   */
-  this.startWorkspace_ = null;
-
-  /**
-   * The workspace that created this gesture.  This workspace keeps a reference
-   * to the gesture, which will need to be cleared at deletion.
-   * This may be different from the start workspace.  For instance, a flyout is
-   * a workspace, but its parent workspace manages gestures for it.
-   * @type {!Blockly.WorkspaceSvg}
-   * @private
-   */
-  this.creatorWorkspace_ = creatorWorkspace;
-
-  /**
-   * Whether the pointer has at any point moved out of the drag radius.
-   * A gesture that exceeds the drag radius is a drag even if it ends exactly
-   * at its start point.
-   * @type {boolean}
-   * @private
-   */
-  this.hasExceededDragRadius_ = false;
-
-  /**
-   * Whether the workspace is currently being dragged.
-   * @type {boolean}
-   * @private
-   */
-  this.isDraggingWorkspace_ = false;
-
-  /**
-   * Whether the block is currently being dragged.
-   * @type {boolean}
-   * @private
-   */
-  this.isDraggingBlock_ = false;
-
-  /**
-   * Whether the bubble is currently being dragged.
-   * @type {boolean}
-   * @private
-   */
-  this.isDraggingBubble_ = false;
-
-  /**
-   * The event that most recently updated this gesture.
-   * @type {!Event}
-   * @private
-   */
-  this.mostRecentEvent_ = e;
-
-  /**
-   * A handle to use to unbind a mouse move listener at the end of a drag.
-   * Opaque data returned from Blockly.bindEventWithChecks_.
-   * @type {?Blockly.EventData}
-   * @protected
-   */
-  this.onMoveWrapper_ = null;
-
-  /**
-   * A handle to use to unbind a mouse up listener at the end of a drag.
-   * Opaque data returned from Blockly.bindEventWithChecks_.
-   * @type {?Blockly.EventData}
-   * @protected
-   */
-  this.onUpWrapper_ = null;
-
-  /**
-   * The object tracking a bubble drag, or null if none is in progress.
-   * @type {Blockly.BubbleDragger}
-   * @private
-   */
-  this.bubbleDragger_ = null;
-
-  /**
-   * The object tracking a block drag, or null if none is in progress.
-   * @type {Blockly.BlockDragger}
-   * @private
-   */
-  this.blockDragger_ = null;
-
-  /**
-   * The object tracking a workspace or flyout workspace drag, or null if none
-   * is in progress.
-   * @type {Blockly.WorkspaceDragger}
-   * @private
-   */
-  this.workspaceDragger_ = null;
-
-  /**
-   * The flyout a gesture started in, if any.
-   * @type {Blockly.IFlyout}
-   * @private
-   */
-  this.flyout_ = null;
-
-  /**
-   * Boolean for sanity-checking that some code is only called once.
-   * @type {boolean}
-   * @private
-   */
-  this.calledUpdateIsDragging_ = false;
-
-  /**
-   * Boolean for sanity-checking that some code is only called once.
-   * @type {boolean}
-   * @private
-   */
-  this.hasStarted_ = false;
-
-  /**
-   * Boolean used internally to break a cycle in disposal.
-   * @type {boolean}
-   * @protected
-   */
-  this.isEnding_ = false;
-
-  /**
-   * Boolean used to indicate whether or not to heal the stack after
-   * disconnecting a block.
-   * @type {boolean}
-   * @private
-   */
-  this.healStack_ = !Blockly.DRAG_STACK;
-};
-
-/**
- * Sever all links from this object.
- * @package
- */
-Blockly.Gesture.prototype.dispose = function() {
-  Blockly.Touch.clearTouchIdentifier();
-  Blockly.Tooltip.unblock();
-  // Clear the owner's reference to this gesture.
-  this.creatorWorkspace_.clearGesture();
-
-  if (this.onMoveWrapper_) {
-    Blockly.unbindEvent_(this.onMoveWrapper_);
-  }
-  if (this.onUpWrapper_) {
-    Blockly.unbindEvent_(this.onUpWrapper_);
-  }
-
-  if (this.blockDragger_) {
-    this.blockDragger_.dispose();
-  }
-  if (this.workspaceDragger_) {
-    this.workspaceDragger_.dispose();
-  }
-  if (this.bubbleDragger_) {
-    this.bubbleDragger_.dispose();
-  }
-};
-
-/**
- * Update internal state based on an event.
- * @param {!Event} e The most recent mouse or touch event.
- * @private
- */
-Blockly.Gesture.prototype.updateFromEvent_ = function(e) {
-  var currentXY = new Blockly.utils.Coordinate(e.clientX, e.clientY);
-  var changed = this.updateDragDelta_(currentXY);
-  // Exceeded the drag radius for the first time.
-  if (changed) {
-    this.updateIsDragging_();
-    Blockly.longStop_();
-  }
-  this.mostRecentEvent_ = e;
-};
-
-/**
- * DO MATH to set currentDragDeltaXY_ based on the most recent mouse position.
- * @param {!Blockly.utils.Coordinate} currentXY The most recent mouse/pointer
- *     position, in pixel units, with (0, 0) at the window's top left corner.
- * @return {boolean} True if the drag just exceeded the drag radius for the
- *     first time.
- * @private
- */
-Blockly.Gesture.prototype.updateDragDelta_ = function(currentXY) {
-  this.currentDragDeltaXY_ = Blockly.utils.Coordinate.difference(
-      currentXY,
-      /** @type {!Blockly.utils.Coordinate} */ (this.mouseDownXY_));
-
-  if (!this.hasExceededDragRadius_) {
-    var currentDragDelta =
-        Blockly.utils.Coordinate.magnitude(this.currentDragDeltaXY_);
-
-    // The flyout has a different drag radius from the rest of Blockly.
-    var limitRadius =
-        this.flyout_ ? Blockly.FLYOUT_DRAG_RADIUS : Blockly.DRAG_RADIUS;
-
-    this.hasExceededDragRadius_ = currentDragDelta > limitRadius;
-    return this.hasExceededDragRadius_;
-  }
-  return false;
-};
-
-/**
- * Update this gesture to record whether a block is being dragged from the
- * flyout.
- * This function should be called on a mouse/touch move event the first time the
- * drag radius is exceeded.  It should be called no more than once per gesture.
- * If a block should be dragged from the flyout this function creates the new
- * block on the main workspace and updates targetBlock_ and startWorkspace_.
- * @return {boolean} True if a block is being dragged from the flyout.
- * @private
- */
-Blockly.Gesture.prototype.updateIsDraggingFromFlyout_ = function() {
-  if (!this.targetBlock_) {
-    return false;
-  }
-  if (!this.flyout_.isBlockCreatable_(this.targetBlock_)) {
-    return false;
-  }
-  if (!this.flyout_.isScrollable() ||
-      this.flyout_.isDragTowardWorkspace(this.currentDragDeltaXY_)) {
-    this.startWorkspace_ = this.flyout_.targetWorkspace;
-    this.startWorkspace_.updateScreenCalculationsIfScrolled();
-    // Start the event group now, so that the same event group is used for block
-    // creation and block dragging.
-    if (!Blockly.Events.getGroup()) {
-      Blockly.Events.setGroup(true);
-    }
-    // The start block is no longer relevant, because this is a drag.
-    this.startBlock_ = null;
-    this.targetBlock_ = this.flyout_.createBlock(this.targetBlock_);
-    this.targetBlock_.select();
-    return true;
-  }
-  return false;
-};
-
-/**
- * Update this gesture to record whether a bubble is being dragged.
- * This function should be called on a mouse/touch move event the first time the
- * drag radius is exceeded.  It should be called no more than once per gesture.
- * If a bubble should be dragged this function creates the necessary
- * BubbleDragger and starts the drag.
- * @return {boolean} True if a bubble is being dragged.
- * @private
- */
-Blockly.Gesture.prototype.updateIsDraggingBubble_ = function() {
-  if (!this.startBubble_) {
-    return false;
-  }
-
-  this.isDraggingBubble_ = true;
-  this.startDraggingBubble_();
-  return true;
-};
-
-/**
- * Update this gesture to record whether a block is being dragged.
- * This function should be called on a mouse/touch move event the first time the
- * drag radius is exceeded.  It should be called no more than once per gesture.
- * If a block should be dragged, either from the flyout or in the workspace,
- * this function creates the necessary BlockDragger and starts the drag.
- * @return {boolean} True if a block is being dragged.
- * @private
- */
-Blockly.Gesture.prototype.updateIsDraggingBlock_ = function() {
-  if (!this.targetBlock_) {
-    return false;
-  }
-
-  if (this.flyout_) {
-    this.isDraggingBlock_ = this.updateIsDraggingFromFlyout_();
-  } else if (this.targetBlock_.isMovable()) {
-    this.isDraggingBlock_ = true;
-  }
-
-  if (this.isDraggingBlock_) {
-    this.startDraggingBlock_();
-    return true;
-  }
-  return false;
-};
-
-/**
- * Update this gesture to record whether a workspace is being dragged.
- * This function should be called on a mouse/touch move event the first time the
- * drag radius is exceeded.  It should be called no more than once per gesture.
- * If a workspace is being dragged this function creates the necessary
- * WorkspaceDragger or FlyoutDragger and starts the drag.
- * @private
- */
-Blockly.Gesture.prototype.updateIsDraggingWorkspace_ = function() {
-  var wsMovable = this.flyout_ ?
-      this.flyout_.isScrollable() :
-      this.startWorkspace_ && this.startWorkspace_.isDraggable();
-
-  if (!wsMovable) {
-    return;
-  }
-
-  if (this.flyout_) {
-    this.workspaceDragger_ = new Blockly.FlyoutDragger(this.flyout_);
-  } else {
-    this.workspaceDragger_ = new Blockly.WorkspaceDragger(
-        /** @type {!Blockly.WorkspaceSvg} */ (this.startWorkspace_));
-  }
-
-  this.isDraggingWorkspace_ = true;
-  this.workspaceDragger_.startDrag();
-};
-
-/**
- * Update this gesture to record whether anything is being dragged.
- * This function should be called on a mouse/touch move event the first time the
- * drag radius is exceeded.  It should be called no more than once per gesture.
- * @private
- */
-Blockly.Gesture.prototype.updateIsDragging_ = function() {
-  // Sanity check.
-  if (this.calledUpdateIsDragging_) {
-    throw Error('updateIsDragging_ should only be called once per gesture.');
-  }
-  this.calledUpdateIsDragging_ = true;
-
-  // First check if it was a bubble drag.  Bubbles always sit on top of blocks.
-  if (this.updateIsDraggingBubble_()) {
-    return;
-  }
-  // Then check if it was a block drag.
-  if (this.updateIsDraggingBlock_()) {
-    return;
-  }
-  // Then check if it's a workspace drag.
-  this.updateIsDraggingWorkspace_();
-};
-
-/**
- * Create a block dragger and start dragging the selected block.
- * @private
- */
-Blockly.Gesture.prototype.startDraggingBlock_ = function() {
-  this.blockDragger_ = new Blockly.BlockDragger(
-      /** @type {!Blockly.BlockSvg} */ (this.targetBlock_),
-      /** @type {!Blockly.WorkspaceSvg} */ (this.startWorkspace_));
-  this.blockDragger_.startBlockDrag(this.currentDragDeltaXY_, this.healStack_);
-  this.blockDragger_.dragBlock(this.mostRecentEvent_, this.currentDragDeltaXY_);
-};
-
-/**
- * Create a bubble dragger and start dragging the selected bubble.
- * @private
- */
-// TODO (fenichel): Possibly combine this and startDraggingBlock_.
-Blockly.Gesture.prototype.startDraggingBubble_ = function() {
-  this.bubbleDragger_ = new Blockly.BubbleDragger(
-      /** @type {!Blockly.IBubble} */ (this.startBubble_),
-      /** @type {!Blockly.WorkspaceSvg} */ (this.startWorkspace_));
-  this.bubbleDragger_.startBubbleDrag();
-  this.bubbleDragger_.dragBubble(
-      this.mostRecentEvent_, this.currentDragDeltaXY_);
-};
-/**
- * Start a gesture: update the workspace to indicate that a gesture is in
- * progress and bind mousemove and mouseup handlers.
- * @param {!Event} e A mouse down or touch start event.
- * @package
- */
-Blockly.Gesture.prototype.doStart = function(e) {
-  if (Blockly.utils.isTargetInput(e)) {
-    this.cancel();
-    return;
-  }
-  this.hasStarted_ = true;
-
-  Blockly.blockAnimations.disconnectUiStop();
-  this.startWorkspace_.updateScreenCalculationsIfScrolled();
-  if (this.startWorkspace_.isMutator) {
-    // Mutator's coordinate system could be out of date because the bubble was
-    // dragged, the block was moved, the parent workspace zoomed, etc.
-    this.startWorkspace_.resize();
-  }
-
-  // Hide chaff also hides the flyout, so don't do it if the click is in a
-  // flyout.
-  Blockly.hideChaff(!!this.flyout_);
-
-  this.startWorkspace_.markFocused();
-  this.mostRecentEvent_ = e;
-
-  Blockly.Tooltip.block();
-
-  if (this.targetBlock_) {
-    if (!this.targetBlock_.isInFlyout && e.shiftKey &&
-        this.targetBlock_.workspace.keyboardAccessibilityMode) {
-      this.creatorWorkspace_.getCursor().setCurNode(
-          Blockly.ASTNode.createTopNode(this.targetBlock_));
-    } else {
-      this.targetBlock_.select();
-    }
-  }
-
-  if (Blockly.utils.isRightButton(e)) {
-    this.handleRightClick(e);
-    return;
-  }
-
-  if ((e.type.toLowerCase() == 'touchstart' ||
-       e.type.toLowerCase() == 'pointerdown') &&
-      e.pointerType != 'mouse') {
-    Blockly.longStart(e, this);
-  }
-
-  this.mouseDownXY_ = new Blockly.utils.Coordinate(e.clientX, e.clientY);
-  this.healStack_ = e.altKey || e.ctrlKey || e.metaKey;
-
-  this.bindMouseEvents(e);
-};
-
-/**
- * Bind gesture events.
- * @param {!Event} e A mouse down or touch start event.
- * @package
- */
-Blockly.Gesture.prototype.bindMouseEvents = function(e) {
-  this.onMoveWrapper_ = Blockly.bindEventWithChecks_(
-      document, 'mousemove', null, this.handleMove.bind(this));
-  this.onUpWrapper_ = Blockly.bindEventWithChecks_(
-      document, 'mouseup', null, this.handleUp.bind(this));
-
-  e.preventDefault();
-  e.stopPropagation();
-};
-
-/**
- * Handle a mouse move or touch move event.
- * @param {!Event} e A mouse move or touch move event.
- * @package
- */
-Blockly.Gesture.prototype.handleMove = function(e) {
-  this.updateFromEvent_(e);
-  if (this.isDraggingWorkspace_) {
-    this.workspaceDragger_.drag(this.currentDragDeltaXY_);
-  } else if (this.isDraggingBlock_) {
-    this.blockDragger_.dragBlock(
-        this.mostRecentEvent_, this.currentDragDeltaXY_);
-  } else if (this.isDraggingBubble_) {
-    this.bubbleDragger_.dragBubble(
-        this.mostRecentEvent_, this.currentDragDeltaXY_);
-  }
-  e.preventDefault();
-  e.stopPropagation();
-};
-
-/**
- * Handle a mouse up or touch end event.
- * @param {!Event} e A mouse up or touch end event.
- * @package
- */
-Blockly.Gesture.prototype.handleUp = function(e) {
-  this.updateFromEvent_(e);
-  Blockly.longStop_();
-
-  if (this.isEnding_) {
-    console.log('Trying to end a gesture recursively.');
-    return;
-  }
-  this.isEnding_ = true;
-  // The ordering of these checks is important: drags have higher priority than
-  // clicks.  Fields have higher priority than blocks; blocks have higher
-  // priority than workspaces.
-  // The ordering within drags does not matter, because the three types of
-  // dragging are exclusive.
-  if (this.isDraggingBubble_) {
-    this.bubbleDragger_.endBubbleDrag(e, this.currentDragDeltaXY_);
-  } else if (this.isDraggingBlock_) {
-    this.blockDragger_.endBlockDrag(e, this.currentDragDeltaXY_);
-  } else if (this.isDraggingWorkspace_) {
-    this.workspaceDragger_.endDrag(this.currentDragDeltaXY_);
-  } else if (this.isBubbleClick_()) {
-    // Bubbles are in front of all fields and blocks.
-    this.doBubbleClick_();
-  } else if (this.isFieldClick_()) {
-    this.doFieldClick_();
-  } else if (this.isBlockClick_()) {
-    this.doBlockClick_();
-  } else if (this.isWorkspaceClick_()) {
-    this.doWorkspaceClick_(e);
-  }
-
-  e.preventDefault();
-  e.stopPropagation();
-
-  this.dispose();
-};
-
-/**
- * Cancel an in-progress gesture.  If a workspace or block drag is in progress,
- * end the drag at the most recent location.
- * @package
- */
-Blockly.Gesture.prototype.cancel = function() {
-  // Disposing of a block cancels in-progress drags, but dragging to a delete
-  // area disposes of a block and leads to recursive disposal. Break that cycle.
-  if (this.isEnding_) {
-    return;
-  }
-  Blockly.longStop_();
-  if (this.isDraggingBubble_) {
-    this.bubbleDragger_.endBubbleDrag(
-        this.mostRecentEvent_, this.currentDragDeltaXY_);
-  } else if (this.isDraggingBlock_) {
-    this.blockDragger_.endBlockDrag(
-        this.mostRecentEvent_, this.currentDragDeltaXY_);
-  } else if (this.isDraggingWorkspace_) {
-    this.workspaceDragger_.endDrag(this.currentDragDeltaXY_);
-  }
-  this.dispose();
-};
-
-/**
- * Handle a real or faked right-click event by showing a context menu.
- * @param {!Event} e A mouse move or touch move event.
- * @package
- */
-Blockly.Gesture.prototype.handleRightClick = function(e) {
-  if (this.targetBlock_) {
-    this.bringBlockToFront_();
-    Blockly.hideChaff(!!this.flyout_);
-    this.targetBlock_.showContextMenu(e);
-  } else if (this.startBubble_) {
-    this.startBubble_.showContextMenu(e);
-  } else if (this.startWorkspace_ && !this.flyout_) {
-    Blockly.hideChaff();
-    this.startWorkspace_.showContextMenu(e);
-  }
-
-  // TODO: Handle right-click on a bubble.
-  e.preventDefault();
-  e.stopPropagation();
-
-  this.dispose();
-};
-
-/**
- * Handle a mousedown/touchstart event on a workspace.
- * @param {!Event} e A mouse down or touch start event.
- * @param {!Blockly.WorkspaceSvg} ws The workspace the event hit.
- * @package
- */
-Blockly.Gesture.prototype.handleWsStart = function(e, ws) {
-  if (this.hasStarted_) {
-    throw Error(
-        'Tried to call gesture.handleWsStart, ' +
-        'but the gesture had already been started.');
-  }
-  this.setStartWorkspace_(ws);
-  this.mostRecentEvent_ = e;
-  this.doStart(e);
-  if (this.startWorkspace_.keyboardAccessibilityMode) {
-    Blockly.navigation.setState(Blockly.navigation.STATE_WS);
-  }
-};
-
-/**
- * Fires a workspace click event.
- * @param {!Blockly.WorkspaceSvg} ws The workspace that a user clicks on.
- * @private
- */
-Blockly.Gesture.prototype.fireWorkspaceClick_ = function(ws) {
-  var clickEvent = new Blockly.Events.Ui(null, 'click', null, 'workspace');
-  clickEvent.workspaceId = ws.id;
-  Blockly.Events.fire(clickEvent);
-};
-
-/**
- * Handle a mousedown/touchstart event on a flyout.
- * @param {!Event} e A mouse down or touch start event.
- * @param {!Blockly.IFlyout} flyout The flyout the event hit.
- * @package
- */
-Blockly.Gesture.prototype.handleFlyoutStart = function(e, flyout) {
-  if (this.hasStarted_) {
-    throw Error(
-        'Tried to call gesture.handleFlyoutStart, ' +
-        'but the gesture had already been started.');
-  }
-  this.setStartFlyout_(flyout);
-  this.handleWsStart(e, flyout.getWorkspace());
-};
-
-/**
- * Handle a mousedown/touchstart event on a block.
- * @param {!Event} e A mouse down or touch start event.
- * @param {!Blockly.BlockSvg} block The block the event hit.
- * @package
- */
-Blockly.Gesture.prototype.handleBlockStart = function(e, block) {
-  if (this.hasStarted_) {
-    throw Error(
-        'Tried to call gesture.handleBlockStart, ' +
-        'but the gesture had already been started.');
-  }
-  this.setStartBlock(block);
-  this.mostRecentEvent_ = e;
-};
-
-/**
- * Handle a mousedown/touchstart event on a bubble.
- * @param {!Event} e A mouse down or touch start event.
- * @param {!Blockly.IBubble} bubble The bubble the event hit.
- * @package
- */
-Blockly.Gesture.prototype.handleBubbleStart = function(e, bubble) {
-  if (this.hasStarted_) {
-    throw Error(
-        'Tried to call gesture.handleBubbleStart, ' +
-        'but the gesture had already been started.');
-  }
-  this.setStartBubble(bubble);
-  this.mostRecentEvent_ = e;
-};
-
-/* Begin functions defining what actions to take to execute clicks on each type
- * of target.  Any developer wanting to add behaviour on clicks should modify
- * only this code. */
-
-/**
- * Execute a bubble click.
- * @private
- */
-Blockly.Gesture.prototype.doBubbleClick_ = function() {
-  // TODO (#1673): Consistent handling of single clicks.
-  this.startBubble_.setFocus && this.startBubble_.setFocus();
-  this.startBubble_.select && this.startBubble_.select();
-};
-
-/**
- * Execute a field click.
- * @private
- */
-Blockly.Gesture.prototype.doFieldClick_ = function() {
-  this.startField_.showEditor(this.mostRecentEvent_);
-  this.bringBlockToFront_();
-};
-
-/**
- * Execute a block click.
- * @private
- */
-Blockly.Gesture.prototype.doBlockClick_ = function() {
-  // Block click in an autoclosing flyout.
-  if (this.flyout_ && this.flyout_.autoClose) {
-    if (this.targetBlock_.isEnabled()) {
-      if (!Blockly.Events.getGroup()) {
-        Blockly.Events.setGroup(true);
-      }
-      var newBlock = this.flyout_.createBlock(this.targetBlock_);
-      newBlock.scheduleSnapAndBump();
-    }
-  } else {
-    // Clicks events are on the start block, even if it was a shadow.
-    Blockly.Events.fire(
-        new Blockly.Events.Ui(this.startBlock_, 'click', undefined, 'block'));
-  }
-  this.bringBlockToFront_();
-  Blockly.Events.setGroup(false);
-};
-
-/**
- * Execute a workspace click. When in accessibility mode shift clicking will
- * move the cursor.
- * @param {!Event} e A mouse up or touch end event.
- * @private
- */
-Blockly.Gesture.prototype.doWorkspaceClick_ = function(e) {
-  var ws = this.creatorWorkspace_;
-  if (e.shiftKey && ws.keyboardAccessibilityMode) {
-    var screenCoord = new Blockly.utils.Coordinate(e.clientX, e.clientY);
-    var wsCoord = Blockly.utils.screenToWsCoordinates(ws, screenCoord);
-    var wsNode = Blockly.ASTNode.createWorkspaceNode(ws, wsCoord);
-    ws.getCursor().setCurNode(wsNode);
-  } else if (Blockly.selected) {
-    Blockly.selected.unselect();
-  }
-  this.fireWorkspaceClick_(this.startWorkspace_ || ws);
-};
-
-/* End functions defining what actions to take to execute clicks on each type
- * of target. */
-
-// TODO (fenichel): Move bubbles to the front.
-/**
- * Move the dragged/clicked block to the front of the workspace so that it is
- * not occluded by other blocks.
- * @private
- */
-Blockly.Gesture.prototype.bringBlockToFront_ = function() {
-  // Blocks in the flyout don't overlap, so skip the work.
-  if (this.targetBlock_ && !this.flyout_) {
-    this.targetBlock_.bringToFront();
-  }
-};
-
-/* Begin functions for populating a gesture at mouse down. */
-
-/**
- * Record the field that a gesture started on.
- * @param {Blockly.Field} field The field the gesture started on.
- * @package
- */
-Blockly.Gesture.prototype.setStartField = function(field) {
-  if (this.hasStarted_) {
-    throw Error(
-        'Tried to call gesture.setStartField, ' +
-        'but the gesture had already been started.');
-  }
-  if (!this.startField_) {
-    this.startField_ = field;
-  }
-};
-
-/**
- * Record the bubble that a gesture started on
- * @param {Blockly.IBubble} bubble The bubble the gesture started on.
- * @package
- */
-Blockly.Gesture.prototype.setStartBubble = function(bubble) {
-  if (!this.startBubble_) {
-    this.startBubble_ = bubble;
-  }
-};
-
-/**
- * Record the block that a gesture started on, and set the target block
- * appropriately.
- * @param {Blockly.BlockSvg} block The block the gesture started on.
- * @package
- */
-Blockly.Gesture.prototype.setStartBlock = function(block) {
-  // If the gesture already went through a bubble, don't set the start block.
-  if (!this.startBlock_ && !this.startBubble_) {
-    this.startBlock_ = block;
-    if (block.isInFlyout && block != block.getRootBlock()) {
-      this.setTargetBlock_(block.getRootBlock());
-    } else {
-      this.setTargetBlock_(block);
-    }
-  }
-};
-
-/**
- * Record the block that a gesture targets, meaning the block that will be
- * dragged if this turns into a drag.  If this block is a shadow, that will be
- * its first non-shadow parent.
- * @param {Blockly.BlockSvg} block The block the gesture targets.
- * @private
- */
-Blockly.Gesture.prototype.setTargetBlock_ = function(block) {
-  if (block.isShadow()) {
-    this.setTargetBlock_(block.getParent());
-  } else {
-    this.targetBlock_ = block;
-  }
-};
-
-/**
- * Record the workspace that a gesture started on.
- * @param {Blockly.WorkspaceSvg} ws The workspace the gesture started on.
- * @private
- */
-Blockly.Gesture.prototype.setStartWorkspace_ = function(ws) {
-  if (!this.startWorkspace_) {
-    this.startWorkspace_ = ws;
-  }
-};
-
-/**
- * Record the flyout that a gesture started on.
- * @param {Blockly.IFlyout} flyout The flyout the gesture started on.
- * @private
- */
-Blockly.Gesture.prototype.setStartFlyout_ = function(flyout) {
-  if (!this.flyout_) {
-    this.flyout_ = flyout;
-  }
-};
-
-
-/* End functions for populating a gesture at mouse down. */
-
-/* Begin helper functions defining types of clicks.  Any developer wanting
- * to change the definition of a click should modify only this code. */
-
-/**
- * Whether this gesture is a click on a bubble.  This should only be called when
- * ending a gesture (mouse up, touch end).
- * @return {boolean} Whether this gesture was a click on a bubble.
- * @private
- */
-Blockly.Gesture.prototype.isBubbleClick_ = function() {
-  // A bubble click starts on a bubble and never escapes the drag radius.
-  var hasStartBubble = !!this.startBubble_;
-  return hasStartBubble && !this.hasExceededDragRadius_;
-};
-
-/**
- * Whether this gesture is a click on a block.  This should only be called when
- * ending a gesture (mouse up, touch end).
- * @return {boolean} Whether this gesture was a click on a block.
- * @private
- */
-Blockly.Gesture.prototype.isBlockClick_ = function() {
-  // A block click starts on a block, never escapes the drag radius, and is not
-  // a field click.
-  var hasStartBlock = !!this.startBlock_;
-  return hasStartBlock && !this.hasExceededDragRadius_ && !this.isFieldClick_();
-};
-
-/**
- * Whether this gesture is a click on a field.  This should only be called when
- * ending a gesture (mouse up, touch end).
- * @return {boolean} Whether this gesture was a click on a field.
- * @private
- */
-Blockly.Gesture.prototype.isFieldClick_ = function() {
-  var fieldClickable =
-      this.startField_ ? this.startField_.isClickable() : false;
-  return fieldClickable && !this.hasExceededDragRadius_ &&
-      (!this.flyout_ || !this.flyout_.autoClose);
-};
-
-/**
- * Whether this gesture is a click on a workspace.  This should only be called
- * when ending a gesture (mouse up, touch end).
- * @return {boolean} Whether this gesture was a click on a workspace.
- * @private
- */
-Blockly.Gesture.prototype.isWorkspaceClick_ = function() {
-  var onlyTouchedWorkspace =
-      !this.startBlock_ && !this.startBubble_ && !this.startField_;
-  return onlyTouchedWorkspace && !this.hasExceededDragRadius_;
-};
-
-/* End helper functions defining types of clicks. */
-
-/**
- * Whether this gesture is a drag of either a workspace or block.
- * This function is called externally to block actions that cannot be taken
- * mid-drag (e.g. using the keyboard to delete the selected blocks).
- * @return {boolean} True if this gesture is a drag of a workspace or block.
- * @package
- */
-Blockly.Gesture.prototype.isDragging = function() {
-  return this.isDraggingWorkspace_ || this.isDraggingBlock_ ||
-      this.isDraggingBubble_;
-};
-
-/**
- * Whether this gesture has already been started.  In theory every mouse down
- * has a corresponding mouse up, but in reality it is possible to lose a
- * mouse up, leaving an in-process gesture hanging.
- * @return {boolean} Whether this gesture was a click on a workspace.
- * @package
- */
-Blockly.Gesture.prototype.hasStarted = function() {
-  return this.hasStarted_;
-};
-
-/**
- * Get a list of the insertion markers that currently exist.  Block drags have
- * 0, 1, or 2 insertion markers.
- * @return {!Array.<!Blockly.BlockSvg>} A possibly empty list of insertion
- *     marker blocks.
- * @package
- */
-Blockly.Gesture.prototype.getInsertionMarkers = function() {
-  if (this.blockDragger_) {
-    return this.blockDragger_.getInsertionMarkers();
-  }
-  return [];
-};
-
-/**
- * Is a drag or other gesture currently in progress on any workspace?
- * @return {boolean} True if gesture is occurring.
- */
-Blockly.Gesture.inProgress = function() {
-  var workspaces = Blockly.Workspace.getAll();
-  for (var i = 0, workspace; (workspace = workspaces[i]); i++) {
-    if (workspace.currentGesture_) {
-      return true;
-    }
-  }
-  return false;
-};
diff --git a/core/gesture.ts b/core/gesture.ts
new file mode 100644
index 00000000000..7970ed00689
--- /dev/null
+++ b/core/gesture.ts
@@ -0,0 +1,1191 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * The class representing an in-progress gesture, e.g. a drag,
+ * tap, or pinch to zoom.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Gesture
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_click.js';
+
+import * as blockAnimations from './block_animations.js';
+import type {BlockSvg} from './block_svg.js';
+import * as browserEvents from './browser_events.js';
+import * as common from './common.js';
+import {config} from './config.js';
+import * as dropDownDiv from './dropdowndiv.js';
+import * as eventUtils from './events/utils.js';
+import type {Field} from './field.js';
+import type {IBubble} from './interfaces/i_bubble.js';
+import type {IFlyout} from './interfaces/i_flyout.js';
+import * as Tooltip from './tooltip.js';
+import * as Touch from './touch.js';
+import {Coordinate} from './utils/coordinate.js';
+import {WorkspaceDragger} from './workspace_dragger.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+import type {IIcon} from './interfaces/i_icon.js';
+import {IDragger} from './interfaces/i_dragger.js';
+import * as registry from './registry.js';
+import {IDraggable, isDraggable} from './interfaces/i_draggable.js';
+import {RenderedWorkspaceComment} from './comments.js';
+
+/**
+ * Note: In this file "start" refers to pointerdown
+ * events.  "End" refers to pointerup events.
+ */
+
+/** A multiplier used to convert the gesture scale to a zoom in delta. */
+const ZOOM_IN_MULTIPLIER = 5;
+
+/** A multiplier used to convert the gesture scale to a zoom out delta. */
+const ZOOM_OUT_MULTIPLIER = 6;
+
+/**
+ * Class for one gesture.
+ */
+export class Gesture {
+  /**
+   * The position of the pointer when the gesture started.  Units are CSS
+   * pixels, with (0, 0) at the top left of the browser window (pointer event
+   * clientX/Y).
+   */
+  private mouseDownXY = new Coordinate(0, 0);
+  private currentDragDeltaXY: Coordinate;
+
+  /**
+   * The bubble that the gesture started on, or null if it did not start on a
+   * bubble.
+   */
+  private startBubble: IBubble | null = null;
+
+  /**
+   * The field that the gesture started on, or null if it did not start on a
+   * field.
+   */
+  private startField: Field | null = null;
+
+  /**
+   * The icon that the gesture started on, or null if it did not start on an
+   * icon.
+   */
+  private startIcon: IIcon | null = null;
+
+  /**
+   * The block that the gesture started on, or null if it did not start on a
+   * block.
+   */
+  private startBlock: BlockSvg | null = null;
+
+  /**
+   * The comment that the gesture started on, or null if it did not start on a
+   * comment.
+   */
+  private startComment: RenderedWorkspaceComment | null = null;
+
+  /**
+   * The block that this gesture targets.  If the gesture started on a
+   * shadow block, this is the first non-shadow parent of the block.  If the
+   * gesture started in the flyout, this is the root block of the block group
+   * that was clicked or dragged.
+   */
+  private targetBlock: BlockSvg | null = null;
+
+  /**
+   * The workspace that the gesture started on.  There may be multiple
+   * workspaces on a page; this is more accurate than using
+   * Blockly.common.getMainWorkspace().
+   */
+  protected startWorkspace_: WorkspaceSvg | null = null;
+
+  /**
+   * Whether the pointer has at any point moved out of the drag radius.
+   * A gesture that exceeds the drag radius is a drag even if it ends exactly
+   * at its start point.
+   */
+  private hasExceededDragRadius = false;
+
+  /**
+   * Array holding info needed to unbind events.
+   * Used for disposing.
+   * Ex: [[node, name, func], [node, name, func]].
+   */
+  private boundEvents: browserEvents.Data[] = [];
+
+  private dragger: IDragger | null = null;
+
+  /**
+   * The object tracking a workspace or flyout workspace drag, or null if none
+   * is in progress.
+   */
+  private workspaceDragger: WorkspaceDragger | null = null;
+
+  /** Whether the gesture is dragging or not. */
+  private dragging: boolean = false;
+
+  /** The flyout a gesture started in, if any. */
+  private flyout: IFlyout | null = null;
+
+  /** Boolean for sanity-checking that some code is only called once. */
+  private calledUpdateIsDragging = false;
+
+  /** Boolean for sanity-checking that some code is only called once. */
+  private gestureHasStarted = false;
+
+  /** Boolean used internally to break a cycle in disposal. */
+  protected isEnding_ = false;
+
+  /** The event that most recently updated this gesture. */
+  private mostRecentEvent: PointerEvent;
+
+  /** Boolean for whether or not this gesture is a multi-touch gesture. */
+  private isMultiTouch_ = false;
+
+  /** A map of cached points used for tracking multi-touch gestures. */
+  private cachedPoints = new Map<string, Coordinate | null>();
+
+  /**
+   * This is the ratio between the starting distance between the touch points
+   * and the most recent distance between the touch points.
+   * Scales between 0 and 1 mean the most recent zoom was a zoom out.
+   * Scales above 1.0 mean the most recent zoom was a zoom in.
+   */
+  private previousScale = 0;
+
+  /** The starting distance between two touch points. */
+  private startDistance = 0;
+
+  /** Boolean for whether or not the workspace supports pinch-zoom. */
+  private isPinchZoomEnabled: boolean | null = null;
+
+  /**
+   * The owner of the dropdownDiv when this gesture first starts.
+   * Needed because we'll close the dropdown before fields get to
+   * act on their events, and some fields care about who owns
+   * the dropdown.
+   */
+  currentDropdownOwner: Field | null = null;
+
+  /**
+   * @param e The event that kicked off this gesture.
+   * @param creatorWorkspace The workspace that created this gesture and has a
+   *     reference to it.
+   */
+  constructor(
+    e: PointerEvent,
+    private readonly creatorWorkspace: WorkspaceSvg,
+  ) {
+    this.mostRecentEvent = e;
+
+    /**
+     * How far the pointer has moved during this drag, in pixel units.
+     * (0, 0) is at this.mouseDownXY_.
+     */
+    this.currentDragDeltaXY = new Coordinate(0, 0);
+  }
+
+  /**
+   * Sever all links from this object.
+   *
+   * @internal
+   */
+  dispose() {
+    Touch.clearTouchIdentifier();
+    Tooltip.unblock();
+    // Clear the owner's reference to this gesture.
+    this.creatorWorkspace.clearGesture();
+
+    for (const event of this.boundEvents) {
+      browserEvents.unbind(event);
+    }
+    this.boundEvents.length = 0;
+
+    if (this.workspaceDragger) {
+      this.workspaceDragger.dispose();
+    }
+  }
+
+  /**
+   * Update internal state based on an event.
+   *
+   * @param e The most recent pointer event.
+   */
+  private updateFromEvent(e: PointerEvent) {
+    const currentXY = new Coordinate(e.clientX, e.clientY);
+    const changed = this.updateDragDelta(currentXY);
+    // Exceeded the drag radius for the first time.
+    if (changed) {
+      this.updateIsDragging(e);
+      Touch.longStop();
+    }
+    this.mostRecentEvent = e;
+  }
+
+  /**
+   * DO MATH to set currentDragDeltaXY_ based on the most recent pointer
+   * position.
+   *
+   * @param currentXY The most recent pointer position, in pixel units,
+   *     with (0, 0) at the window's top left corner.
+   * @returns True if the drag just exceeded the drag radius for the first time.
+   */
+  private updateDragDelta(currentXY: Coordinate): boolean {
+    this.currentDragDeltaXY = Coordinate.difference(
+      currentXY,
+      this.mouseDownXY,
+    );
+
+    if (!this.hasExceededDragRadius) {
+      const currentDragDelta = Coordinate.magnitude(this.currentDragDeltaXY);
+
+      // The flyout has a different drag radius from the rest of Blockly.
+      const limitRadius = this.flyout
+        ? config.flyoutDragRadius
+        : config.dragRadius;
+
+      this.hasExceededDragRadius = currentDragDelta > limitRadius;
+      return this.hasExceededDragRadius;
+    }
+    return false;
+  }
+
+  /**
+   * Update this gesture to record whether a block is being dragged from the
+   * flyout.
+   * This function should be called on a pointermove event the first time
+   * the drag radius is exceeded.  It should be called no more than once per
+   * gesture. If a block should be dragged from the flyout this function creates
+   * the new block on the main workspace and updates targetBlock_ and
+   * startWorkspace_.
+   *
+   * @returns True if a block is being dragged from the flyout.
+   */
+  private updateIsDraggingFromFlyout(): boolean {
+    if (!this.targetBlock || !this.flyout?.isBlockCreatable(this.targetBlock)) {
+      return false;
+    }
+    if (!this.flyout.targetWorkspace) {
+      throw new Error(`Cannot update dragging from the flyout because the ' +
+          'flyout's target workspace is undefined`);
+    }
+    if (
+      !this.flyout.isScrollable() ||
+      this.flyout.isDragTowardWorkspace(this.currentDragDeltaXY)
+    ) {
+      this.startWorkspace_ = this.flyout.targetWorkspace;
+      this.startWorkspace_.updateScreenCalculationsIfScrolled();
+      // Start the event group now, so that the same event group is used for
+      // block creation and block dragging.
+      if (!eventUtils.getGroup()) {
+        eventUtils.setGroup(true);
+      }
+      // The start block is no longer relevant, because this is a drag.
+      this.startBlock = null;
+      this.targetBlock = this.flyout.createBlock(this.targetBlock);
+      common.setSelected(this.targetBlock);
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * Check whether to start a workspace drag. If a workspace is being dragged,
+   * create the necessary WorkspaceDragger and start the drag.
+   *
+   * This function should be called on a pointermove event the first time
+   * the drag radius is exceeded.  It should be called no more than once per
+   * gesture. If a workspace is being dragged this function creates the
+   * necessary WorkspaceDragger and starts the drag.
+   */
+  private updateIsDraggingWorkspace() {
+    if (!this.startWorkspace_) {
+      throw new Error(
+        'Cannot update dragging the workspace because the ' +
+          'start workspace is undefined',
+      );
+    }
+
+    const wsMovable = this.flyout
+      ? this.flyout.isScrollable()
+      : this.startWorkspace_ && this.startWorkspace_.isDraggable();
+    if (!wsMovable) return;
+
+    this.dragging = true;
+    this.workspaceDragger = new WorkspaceDragger(this.startWorkspace_);
+
+    this.workspaceDragger.startDrag();
+  }
+
+  /**
+   * Update this gesture to record whether anything is being dragged.
+   * This function should be called on a pointermove event the first time
+   * the drag radius is exceeded.  It should be called no more than once per
+   * gesture.
+   */
+  private updateIsDragging(e: PointerEvent) {
+    if (!this.startWorkspace_) {
+      throw new Error(
+        'Cannot update dragging because the start workspace is undefined',
+      );
+    }
+
+    if (this.calledUpdateIsDragging) {
+      throw Error('updateIsDragging_ should only be called once per gesture.');
+    }
+    this.calledUpdateIsDragging = true;
+
+    // If we drag a block out of the flyout, it updates `common.getSelected`
+    // to return the new block.
+    if (this.flyout) this.updateIsDraggingFromFlyout();
+
+    const selected = common.getSelected();
+    if (selected && isDraggable(selected) && selected.isMovable()) {
+      this.dragging = true;
+      this.dragger = this.createDragger(selected, this.startWorkspace_);
+      this.dragger.onDragStart(e);
+      this.dragger.onDrag(e, this.currentDragDeltaXY);
+    } else {
+      this.updateIsDraggingWorkspace();
+    }
+  }
+
+  private createDragger(
+    draggable: IDraggable,
+    workspace: WorkspaceSvg,
+  ): IDragger {
+    const DraggerClass = registry.getClassFromOptions(
+      registry.Type.BLOCK_DRAGGER,
+      this.creatorWorkspace.options,
+      true,
+    );
+    return new DraggerClass!(draggable, workspace);
+  }
+
+  /**
+   * Start a gesture: update the workspace to indicate that a gesture is in
+   * progress and bind pointermove and pointerup handlers.
+   *
+   * @param e A pointerdown event.
+   * @internal
+   */
+  doStart(e: PointerEvent) {
+    if (!this.startWorkspace_) {
+      throw new Error(
+        'Cannot start the touch gesture becauase the start ' +
+          'workspace is undefined',
+      );
+    }
+    this.isPinchZoomEnabled =
+      this.startWorkspace_.options.zoomOptions &&
+      this.startWorkspace_.options.zoomOptions.pinch;
+
+    if (browserEvents.isTargetInput(e)) {
+      this.cancel();
+      return;
+    }
+
+    this.gestureHasStarted = true;
+
+    blockAnimations.disconnectUiStop();
+
+    this.startWorkspace_.updateScreenCalculationsIfScrolled();
+    if (this.startWorkspace_.isMutator) {
+      // Mutator's coordinate system could be out of date because the bubble was
+      // dragged, the block was moved, the parent workspace zoomed, etc.
+      this.startWorkspace_.resize();
+    }
+
+    // Keep track of which field owns the dropdown before we close it.
+    this.currentDropdownOwner = dropDownDiv.getOwner();
+    // Hide chaff also hides the flyout, so don't do it if the click is in a
+    // flyout.
+    this.startWorkspace_.hideChaff(!!this.flyout);
+
+    this.startWorkspace_.markFocused();
+    this.mostRecentEvent = e;
+
+    Tooltip.block();
+
+    if (browserEvents.isRightButton(e)) {
+      this.handleRightClick(e);
+      return;
+    }
+
+    if (e.type.toLowerCase() === 'pointerdown' && e.pointerType !== 'mouse') {
+      Touch.longStart(e, this);
+    }
+
+    this.mouseDownXY = new Coordinate(e.clientX, e.clientY);
+
+    this.bindMouseEvents(e);
+
+    if (!this.isEnding_) {
+      this.handleTouchStart(e);
+    }
+  }
+
+  /**
+   * Bind gesture events.
+   *
+   * @param e A pointerdown event.
+   * @internal
+   */
+  bindMouseEvents(e: PointerEvent) {
+    this.boundEvents.push(
+      browserEvents.conditionalBind(
+        document,
+        'pointerdown',
+        null,
+        this.handleStart.bind(this),
+        /* opt_noCaptureIdentifier */ true,
+      ),
+    );
+    this.boundEvents.push(
+      browserEvents.conditionalBind(
+        document,
+        'pointermove',
+        null,
+        this.handleMove.bind(this),
+        /* opt_noCaptureIdentifier */ true,
+      ),
+    );
+    this.boundEvents.push(
+      browserEvents.conditionalBind(
+        document,
+        'pointerup',
+        null,
+        this.handleUp.bind(this),
+        /* opt_noCaptureIdentifier */ true,
+      ),
+    );
+
+    e.preventDefault();
+    e.stopPropagation();
+  }
+
+  /**
+   * Handle a pointerdown event.
+   *
+   * @param e A pointerdown event.
+   * @internal
+   */
+  handleStart(e: PointerEvent) {
+    if (this.isDragging()) {
+      // A drag has already started, so this can no longer be a pinch-zoom.
+      return;
+    }
+    this.handleTouchStart(e);
+
+    if (this.isMultiTouch()) {
+      Touch.longStop();
+    }
+  }
+
+  /**
+   * Handle a pointermove event.
+   *
+   * @param e A pointermove event.
+   * @internal
+   */
+  handleMove(e: PointerEvent) {
+    if (
+      (this.isDragging() && Touch.shouldHandleEvent(e)) ||
+      !this.isMultiTouch()
+    ) {
+      this.updateFromEvent(e);
+      if (this.workspaceDragger) {
+        this.workspaceDragger.drag(this.currentDragDeltaXY);
+      } else if (this.dragger) {
+        this.dragger.onDrag(this.mostRecentEvent, this.currentDragDeltaXY);
+      }
+      e.preventDefault();
+      e.stopPropagation();
+    } else if (this.isMultiTouch()) {
+      this.handleTouchMove(e);
+      Touch.longStop();
+    }
+  }
+
+  /**
+   * Handle a pointerup event.
+   *
+   * @param e A pointerup event.
+   * @internal
+   */
+  handleUp(e: PointerEvent) {
+    if (!this.isDragging()) {
+      this.handleTouchEnd(e);
+    }
+    if (!this.isMultiTouch() || this.isDragging()) {
+      if (!Touch.shouldHandleEvent(e)) {
+        return;
+      }
+      this.updateFromEvent(e);
+      Touch.longStop();
+
+      if (this.isEnding_) {
+        console.log('Trying to end a gesture recursively.');
+        return;
+      }
+      this.isEnding_ = true;
+      // The ordering of these checks is important: drags have higher priority
+      // than clicks.  Fields and icons have higher priority than blocks; blocks
+      // have higher priority than workspaces. The ordering within drags does
+      // not matter, because the three types of dragging are exclusive.
+      if (this.dragger) {
+        this.dragger.onDragEnd(e, this.currentDragDeltaXY);
+      } else if (this.workspaceDragger) {
+        this.workspaceDragger.endDrag(this.currentDragDeltaXY);
+      } else if (this.isBubbleClick()) {
+        // Do nothing, bubbles don't currently respond to clicks.
+      } else if (this.isCommentClick()) {
+        // Do nothing, comments don't currently respond to clicks.
+      } else if (this.isFieldClick()) {
+        this.doFieldClick();
+      } else if (this.isIconClick()) {
+        this.doIconClick();
+      } else if (this.isBlockClick()) {
+        this.doBlockClick();
+      } else if (this.isWorkspaceClick()) {
+        this.doWorkspaceClick(e);
+      }
+
+      e.preventDefault();
+      e.stopPropagation();
+
+      this.dispose();
+    } else {
+      e.preventDefault();
+      e.stopPropagation();
+
+      this.dispose();
+    }
+  }
+
+  /**
+   * Handle a pointerdown event and keep track of current
+   * pointers.
+   *
+   * @param e A pointerdown event.
+   * @internal
+   */
+  handleTouchStart(e: PointerEvent) {
+    const pointerId = Touch.getTouchIdentifierFromEvent(e);
+    // store the pointerId in the current list of pointers
+    this.cachedPoints.set(pointerId, this.getTouchPoint(e));
+    const pointers = Array.from(this.cachedPoints.keys());
+    // If two pointers are down, store info
+    if (pointers.length === 2) {
+      const point0 = this.cachedPoints.get(pointers[0])!;
+      const point1 = this.cachedPoints.get(pointers[1])!;
+      this.startDistance = Coordinate.distance(point0, point1);
+      this.isMultiTouch_ = true;
+      e.preventDefault();
+    }
+  }
+
+  /**
+   * Handle a pointermove event and zoom in/out if two pointers
+   * are on the screen.
+   *
+   * @param e A pointermove event.
+   * @internal
+   */
+  handleTouchMove(e: PointerEvent) {
+    const pointerId = Touch.getTouchIdentifierFromEvent(e);
+    // Update the cache
+    this.cachedPoints.set(pointerId, this.getTouchPoint(e));
+
+    if (this.isPinchZoomEnabled && this.cachedPoints.size === 2) {
+      this.handlePinch(e);
+    } else {
+      this.handleMove(e);
+    }
+  }
+
+  /**
+   * Handle pinch zoom gesture.
+   *
+   * @param e A pointermove event.
+   */
+  private handlePinch(e: PointerEvent) {
+    const pointers = Array.from(this.cachedPoints.keys());
+    // Calculate the distance between the two pointers
+    const point0 = this.cachedPoints.get(pointers[0])!;
+    const point1 = this.cachedPoints.get(pointers[1])!;
+    const moveDistance = Coordinate.distance(point0, point1);
+    const scale = moveDistance / this.startDistance;
+
+    if (this.previousScale > 0 && this.previousScale < Infinity) {
+      const gestureScale = scale - this.previousScale;
+      const delta =
+        gestureScale > 0
+          ? gestureScale * ZOOM_IN_MULTIPLIER
+          : gestureScale * ZOOM_OUT_MULTIPLIER;
+      if (!this.startWorkspace_) {
+        throw new Error(
+          'Cannot handle a pinch because the start workspace ' + 'is undefined',
+        );
+      }
+      const workspace = this.startWorkspace_;
+      const position = browserEvents.mouseToSvg(
+        e,
+        workspace.getParentSvg(),
+        workspace.getInverseScreenCTM(),
+      );
+      workspace.zoom(position.x, position.y, delta);
+    }
+    this.previousScale = scale;
+    e.preventDefault();
+  }
+
+  /**
+   * Handle a pointerup event and end the gesture.
+   *
+   * @param e A pointerup event.
+   * @internal
+   */
+  handleTouchEnd(e: PointerEvent) {
+    const pointerId = Touch.getTouchIdentifierFromEvent(e);
+    if (this.cachedPoints.has(pointerId)) {
+      this.cachedPoints.delete(pointerId);
+    }
+    if (this.cachedPoints.size < 2) {
+      this.cachedPoints.clear();
+      this.previousScale = 0;
+    }
+  }
+
+  /**
+   * Helper function returning the current touch point coordinate.
+   *
+   * @param e A pointer event.
+   * @returns The current touch point coordinate
+   * @internal
+   */
+  getTouchPoint(e: PointerEvent): Coordinate | null {
+    if (!this.startWorkspace_) {
+      return null;
+    }
+    return new Coordinate(e.pageX, e.pageY);
+  }
+
+  /**
+   * Whether this gesture is part of a multi-touch gesture.
+   *
+   * @returns Whether this gesture is part of a multi-touch gesture.
+   * @internal
+   */
+  isMultiTouch(): boolean {
+    return this.isMultiTouch_;
+  }
+
+  /**
+   * Cancel an in-progress gesture.  If a workspace or block drag is in
+   * progress, end the drag at the most recent location.
+   *
+   * @internal
+   */
+  cancel() {
+    // Disposing of a block cancels in-progress drags, but dragging to a delete
+    // area disposes of a block and leads to recursive disposal. Break that
+    // cycle.
+    if (this.isEnding_) {
+      return;
+    }
+    Touch.longStop();
+    if (this.dragger) {
+      this.dragger.onDragEnd(this.mostRecentEvent, this.currentDragDeltaXY);
+    } else if (this.workspaceDragger) {
+      this.workspaceDragger.endDrag(this.currentDragDeltaXY);
+    }
+    this.dispose();
+  }
+
+  /**
+   * Handle a real or faked right-click event by showing a context menu.
+   *
+   * @param e A pointerdown event.
+   * @internal
+   */
+  handleRightClick(e: PointerEvent) {
+    if (this.targetBlock) {
+      this.bringBlockToFront();
+      this.targetBlock.workspace.hideChaff(!!this.flyout);
+      this.targetBlock.showContextMenu(e);
+    } else if (this.startBubble) {
+      this.startBubble.showContextMenu(e);
+    } else if (this.startComment) {
+      this.startComment.workspace.hideChaff();
+      this.startComment.showContextMenu(e);
+    } else if (this.startWorkspace_ && !this.flyout) {
+      this.startWorkspace_.hideChaff();
+      this.startWorkspace_.showContextMenu(e);
+    }
+
+    // TODO: Handle right-click on a bubble.
+    e.preventDefault();
+    e.stopPropagation();
+
+    this.dispose();
+  }
+
+  /**
+   * Handle a pointerdown event on a workspace.
+   *
+   * @param e A pointerdown event.
+   * @param ws The workspace the event hit.
+   * @internal
+   */
+  handleWsStart(e: PointerEvent, ws: WorkspaceSvg) {
+    if (this.gestureHasStarted) {
+      throw Error(
+        'Tried to call gesture.handleWsStart, ' +
+          'but the gesture had already been started.',
+      );
+    }
+    this.setStartWorkspace(ws);
+    this.mostRecentEvent = e;
+
+    if (!this.startBlock && !this.startBubble && !this.startComment) {
+      // Selection determines what things start drags. So to drag the workspace,
+      // we need to deselect anything that was previously selected.
+      common.setSelected(null);
+    }
+
+    this.doStart(e);
+  }
+
+  /**
+   * Fires a workspace click event.
+   *
+   * @param ws The workspace that a user clicks on.
+   */
+  private fireWorkspaceClick(ws: WorkspaceSvg) {
+    eventUtils.fire(
+      new (eventUtils.get(eventUtils.CLICK))(null, ws.id, 'workspace'),
+    );
+  }
+
+  /**
+   * Handle a pointerdown event on a flyout.
+   *
+   * @param e A pointerdown event.
+   * @param flyout The flyout the event hit.
+   * @internal
+   */
+  handleFlyoutStart(e: PointerEvent, flyout: IFlyout) {
+    if (this.gestureHasStarted) {
+      throw Error(
+        'Tried to call gesture.handleFlyoutStart, ' +
+          'but the gesture had already been started.',
+      );
+    }
+    this.setStartFlyout(flyout);
+    this.handleWsStart(e, flyout.getWorkspace());
+  }
+
+  /**
+   * Handle a pointerdown event on a block.
+   *
+   * @param e A pointerdown event.
+   * @param block The block the event hit.
+   * @internal
+   */
+  handleBlockStart(e: PointerEvent, block: BlockSvg) {
+    if (this.gestureHasStarted) {
+      throw Error(
+        'Tried to call gesture.handleBlockStart, ' +
+          'but the gesture had already been started.',
+      );
+    }
+    this.setStartBlock(block);
+    this.mostRecentEvent = e;
+  }
+
+  /**
+   * Handle a pointerdown event on a bubble.
+   *
+   * @param e A pointerdown event.
+   * @param bubble The bubble the event hit.
+   * @internal
+   */
+  handleBubbleStart(e: PointerEvent, bubble: IBubble) {
+    if (this.gestureHasStarted) {
+      throw Error(
+        'Tried to call gesture.handleBubbleStart, ' +
+          'but the gesture had already been started.',
+      );
+    }
+    this.setStartBubble(bubble);
+    this.mostRecentEvent = e;
+  }
+
+  /**
+   * Handle a pointerdown event on a workspace comment.
+   *
+   * @param e A pointerdown event.
+   * @param comment The comment the event hit.
+   * @internal
+   */
+  handleCommentStart(e: PointerEvent, comment: RenderedWorkspaceComment) {
+    if (this.gestureHasStarted) {
+      throw Error(
+        'Tried to call gesture.handleCommentStart, ' +
+          'but the gesture had already been started.',
+      );
+    }
+    this.setStartComment(comment);
+    this.mostRecentEvent = e;
+  }
+
+  /* Begin functions defining what actions to take to execute clicks on each
+   * type of target.  Any developer wanting to add behaviour on clicks should
+   * modify only this code. */
+
+  /** Execute a field click. */
+  private doFieldClick() {
+    if (!this.startField) {
+      throw new Error(
+        'Cannot do a field click because the start field is undefined',
+      );
+    }
+
+    // Only show the editor if the field's editor wasn't already open
+    // right before this gesture started.
+    const dropdownAlreadyOpen = this.currentDropdownOwner === this.startField;
+    if (!dropdownAlreadyOpen) {
+      this.startField.showEditor(this.mostRecentEvent);
+    }
+    this.bringBlockToFront();
+  }
+
+  /** Execute an icon click. */
+  private doIconClick() {
+    if (!this.startIcon) {
+      throw new Error(
+        'Cannot do an icon click because the start icon is undefined',
+      );
+    }
+    this.bringBlockToFront();
+    this.startIcon.onClick();
+  }
+
+  /** Execute a block click. */
+  private doBlockClick() {
+    // Block click in an autoclosing flyout.
+    if (this.flyout && this.flyout.autoClose) {
+      if (!this.targetBlock) {
+        throw new Error(
+          'Cannot do a block click because the target block is ' + 'undefined',
+        );
+      }
+      if (this.targetBlock.isEnabled()) {
+        if (!eventUtils.getGroup()) {
+          eventUtils.setGroup(true);
+        }
+        const newBlock = this.flyout.createBlock(this.targetBlock);
+        newBlock.snapToGrid();
+        newBlock.bumpNeighbours();
+      }
+    } else {
+      if (!this.startWorkspace_) {
+        throw new Error(
+          'Cannot do a block click because the start workspace ' +
+            'is undefined',
+        );
+      }
+      // Clicks events are on the start block, even if it was a shadow.
+      const event = new (eventUtils.get(eventUtils.CLICK))(
+        this.startBlock,
+        this.startWorkspace_.id,
+        'block',
+      );
+      eventUtils.fire(event);
+    }
+    this.bringBlockToFront();
+    eventUtils.setGroup(false);
+  }
+
+  /**
+   * Execute a workspace click. When in accessibility mode shift clicking will
+   * move the cursor.
+   *
+   * @param _e A pointerup event.
+   */
+  private doWorkspaceClick(_e: PointerEvent) {
+    const ws = this.creatorWorkspace;
+    if (common.getSelected()) {
+      common.getSelected()!.unselect();
+    }
+    this.fireWorkspaceClick(this.startWorkspace_ || ws);
+  }
+
+  /* End functions defining what actions to take to execute clicks on each type
+   * of target. */
+
+  // TODO (fenichel): Move bubbles to the front.
+
+  /**
+   * Move the dragged/clicked block to the front of the workspace so that it is
+   * not occluded by other blocks.
+   */
+  private bringBlockToFront() {
+    // Blocks in the flyout don't overlap, so skip the work.
+    if (this.targetBlock && !this.flyout) {
+      this.targetBlock.bringToFront();
+    }
+  }
+
+  /* Begin functions for populating a gesture at pointerdown. */
+
+  /**
+   * Record the field that a gesture started on.
+   *
+   * @param field The field the gesture started on.
+   * @internal
+   */
+  setStartField<T>(field: Field<T>) {
+    if (this.gestureHasStarted) {
+      throw Error(
+        'Tried to call gesture.setStartField, ' +
+          'but the gesture had already been started.',
+      );
+    }
+    if (!this.startField) {
+      this.startField = field as Field;
+    }
+  }
+
+  /**
+   * Record the icon that a gesture started on.
+   *
+   * @param icon The icon the gesture started on.
+   * @internal
+   */
+  setStartIcon(icon: IIcon) {
+    if (this.gestureHasStarted) {
+      throw Error(
+        'Tried to call gesture.setStartIcon, ' +
+          'but the gesture had already been started.',
+      );
+    }
+
+    if (!this.startIcon) this.startIcon = icon;
+  }
+
+  /**
+   * Record the bubble that a gesture started on
+   *
+   * @param bubble The bubble the gesture started on.
+   * @internal
+   */
+  setStartBubble(bubble: IBubble) {
+    if (!this.startBubble) {
+      this.startBubble = bubble;
+    }
+  }
+
+  /**
+   * Record the comment that a gesture started on
+   *
+   * @param comment The comment the gesture started on.
+   * @internal
+   */
+  setStartComment(comment: RenderedWorkspaceComment) {
+    if (!this.startComment) {
+      this.startComment = comment;
+    }
+  }
+
+  /**
+   * Record the block that a gesture started on, and set the target block
+   * appropriately.
+   *
+   * @param block The block the gesture started on.
+   * @internal
+   */
+  setStartBlock(block: BlockSvg) {
+    // If the gesture already went through a bubble, don't set the start block.
+    if (!this.startBlock && !this.startBubble) {
+      this.startBlock = block;
+      common.setSelected(this.startBlock);
+      if (block.isInFlyout && block !== block.getRootBlock()) {
+        this.setTargetBlock(block.getRootBlock());
+      } else {
+        this.setTargetBlock(block);
+      }
+    }
+  }
+
+  /**
+   * Record the block that a gesture targets, meaning the block that will be
+   * dragged if this turns into a drag.  If this block is a shadow, that will be
+   * its first non-shadow parent.
+   *
+   * @param block The block the gesture targets.
+   */
+  private setTargetBlock(block: BlockSvg) {
+    if (block.isShadow()) {
+      // Non-null assertion is fine b/c it is an invariant that shadows always
+      // have parents.
+      this.setTargetBlock(block.getParent()!);
+    } else {
+      this.targetBlock = block;
+    }
+  }
+
+  /**
+   * Record the workspace that a gesture started on.
+   *
+   * @param ws The workspace the gesture started on.
+   */
+  private setStartWorkspace(ws: WorkspaceSvg) {
+    if (!this.startWorkspace_) {
+      this.startWorkspace_ = ws;
+    }
+  }
+
+  /**
+   * Record the flyout that a gesture started on.
+   *
+   * @param flyout The flyout the gesture started on.
+   */
+  private setStartFlyout(flyout: IFlyout) {
+    if (!this.flyout) {
+      this.flyout = flyout;
+    }
+  }
+
+  /* End functions for populating a gesture at pointerdown. */
+
+  /* Begin helper functions defining types of clicks.  Any developer wanting
+   * to change the definition of a click should modify only this code. */
+
+  /**
+   * Whether this gesture is a click on a bubble.  This should only be called
+   * when ending a gesture (pointerup).
+   *
+   * @returns Whether this gesture was a click on a bubble.
+   */
+  private isBubbleClick(): boolean {
+    // A bubble click starts on a bubble and never escapes the drag radius.
+    const hasStartBubble = !!this.startBubble;
+    return hasStartBubble && !this.hasExceededDragRadius;
+  }
+
+  private isCommentClick(): boolean {
+    return !!this.startComment && !this.hasExceededDragRadius;
+  }
+
+  /**
+   * Whether this gesture is a click on a block.  This should only be called
+   * when ending a gesture (pointerup).
+   *
+   * @returns Whether this gesture was a click on a block.
+   */
+  private isBlockClick(): boolean {
+    // A block click starts on a block, never escapes the drag radius, and is
+    // not a field click.
+    const hasStartBlock = !!this.startBlock;
+    return (
+      hasStartBlock &&
+      !this.hasExceededDragRadius &&
+      !this.isFieldClick() &&
+      !this.isIconClick()
+    );
+  }
+
+  /**
+   * Whether this gesture is a click on a field that should be handled.  This should only be called
+   * when ending a gesture (pointerup).
+   *
+   * @returns Whether this gesture was a click on a field.
+   */
+  private isFieldClick(): boolean {
+    if (!this.startField) return false;
+    return (
+      this.startField.isClickable() &&
+      !this.hasExceededDragRadius &&
+      (!this.flyout ||
+        this.startField.isClickableInFlyout(this.flyout.autoClose))
+    );
+  }
+
+  /** @returns Whether this gesture is a click on an icon that should be handled. */
+  private isIconClick(): boolean {
+    if (!this.startIcon) return false;
+    const handleInFlyout =
+      !this.flyout ||
+      !this.startIcon.isClickableInFlyout ||
+      this.startIcon.isClickableInFlyout(this.flyout.autoClose);
+    return !this.hasExceededDragRadius && handleInFlyout;
+  }
+
+  /**
+   * Whether this gesture is a click on a workspace.  This should only be called
+   * when ending a gesture (pointerup).
+   *
+   * @returns Whether this gesture was a click on a workspace.
+   */
+  private isWorkspaceClick(): boolean {
+    const onlyTouchedWorkspace =
+      !this.startBlock && !this.startBubble && !this.startField;
+    return onlyTouchedWorkspace && !this.hasExceededDragRadius;
+  }
+
+  /* End helper functions defining types of clicks. */
+
+  /** Returns the current dragger if the gesture is a drag. */
+  getCurrentDragger(): WorkspaceDragger | IDragger | null {
+    return this.workspaceDragger ?? this.dragger ?? null;
+  }
+
+  /**
+   * Whether this gesture is a drag of either a workspace or block.
+   * This function is called externally to block actions that cannot be taken
+   * mid-drag (e.g. using the keyboard to delete the selected blocks).
+   *
+   * @returns True if this gesture is a drag of a workspace or block.
+   * @internal
+   */
+  isDragging(): boolean {
+    return this.dragging;
+  }
+
+  /**
+   * Whether this gesture has already been started.  In theory every pointerdown
+   * has a corresponding pointerup, but in reality it is possible to lose a
+   * pointerup, leaving an in-process gesture hanging.
+   *
+   * @returns Whether this gesture was a click on a workspace.
+   * @internal
+   */
+  hasStarted(): boolean {
+    return this.gestureHasStarted;
+  }
+
+  /**
+   * Is a drag or other gesture currently in progress on any workspace?
+   *
+   * @returns True if gesture is occurring.
+   */
+  static inProgress(): boolean {
+    const workspaces = common.getAllWorkspaces();
+    for (let i = 0, workspace; (workspace = workspaces[i]); i++) {
+      // Not actually necessarily a WorkspaceSvg, but it doesn't matter b/c
+      // we're just checking if the property exists. Theoretically we would
+      // want to use instanceof, but that causes a circular dependency.
+      if ((workspace as WorkspaceSvg).currentGesture_) {
+        return true;
+      }
+    }
+    return false;
+  }
+}
diff --git a/core/grid.js b/core/grid.js
deleted file mode 100644
index e1b9c5d88a5..00000000000
--- a/core/grid.js
+++ /dev/null
@@ -1,222 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object for configuring and updating a workspace grid in
- * Blockly.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.Grid');
-
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.utils.userAgent');
-
-
-/**
- * Class for a workspace's grid.
- * @param {!SVGElement} pattern The grid's SVG pattern, created during
- *     injection.
- * @param {!Object} options A dictionary of normalized options for the grid.
- *     See grid documentation:
- *     https://developers.google.com/blockly/guides/configure/web/grid
- * @constructor
- */
-Blockly.Grid = function(pattern, options) {
-  /**
-   * The grid's SVG pattern, created during injection.
-   * @type {!SVGElement}
-   * @private
-   */
-  this.gridPattern_ = pattern;
-
-  /**
-   * The spacing of the grid lines (in px).
-   * @type {number}
-   * @private
-   */
-  this.spacing_ = options['spacing'];
-
-  /**
-   * How long the grid lines should be (in px).
-   * @type {number}
-   * @private
-   */
-  this.length_ = options['length'];
-
-  /**
-   * The horizontal grid line, if it exists.
-   * @type {SVGElement}
-   * @private
-   */
-  this.line1_ = /** @type {SVGElement} */ (pattern.firstChild);
-
-  /**
-   * The vertical grid line, if it exists.
-   * @type {SVGElement}
-   * @private
-   */
-  this.line2_ = this.line1_ &&
-    (/** @type {SVGElement} */ (this.line1_.nextSibling));
-
-  /**
-   * Whether blocks should snap to the grid.
-   * @type {boolean}
-   * @private
-   */
-  this.snapToGrid_ = options['snap'];
-};
-
-/**
- * The scale of the grid, used to set stroke width on grid lines.
- * This should always be the same as the workspace scale.
- * @type {number}
- * @private
- */
-Blockly.Grid.prototype.scale_ = 1;
-
-/**
- * Dispose of this grid and unlink from the DOM.
- * @package
- * @suppress {checkTypes}
- */
-Blockly.Grid.prototype.dispose = function() {
-  this.gridPattern_ = null;
-};
-
-/**
- * Whether blocks should snap to the grid, based on the initial configuration.
- * @return {boolean} True if blocks should snap, false otherwise.
- * @package
- */
-Blockly.Grid.prototype.shouldSnap = function() {
-  return this.snapToGrid_;
-};
-
-/**
- * Get the spacing of the grid points (in px).
- * @return {number} The spacing of the grid points.
- * @package
- */
-Blockly.Grid.prototype.getSpacing = function() {
-  return this.spacing_;
-};
-
-/**
- * Get the id of the pattern element, which should be randomized to avoid
- * conflicts with other Blockly instances on the page.
- * @return {string} The pattern ID.
- * @package
- */
-Blockly.Grid.prototype.getPatternId = function() {
-  return this.gridPattern_.id;
-};
-
-/**
- * Update the grid with a new scale.
- * @param {number} scale The new workspace scale.
- * @package
- */
-Blockly.Grid.prototype.update = function(scale) {
-  this.scale_ = scale;
-  // MSIE freaks if it sees a 0x0 pattern, so set empty patterns to 100x100.
-  var safeSpacing = (this.spacing_ * scale) || 100;
-
-  this.gridPattern_.setAttribute('width', safeSpacing);
-  this.gridPattern_.setAttribute('height', safeSpacing);
-
-  var half = Math.floor(this.spacing_ / 2) + 0.5;
-  var start = half - this.length_ / 2;
-  var end = half + this.length_ / 2;
-
-  half *= scale;
-  start *= scale;
-  end *= scale;
-
-  this.setLineAttributes_(this.line1_, scale, start, end, half, half);
-  this.setLineAttributes_(this.line2_, scale, half, half, start, end);
-};
-
-/**
- * Set the attributes on one of the lines in the grid.  Use this to update the
- * length and stroke width of the grid lines.
- * @param {SVGElement} line Which line to update.
- * @param {number} width The new stroke size (in px).
- * @param {number} x1 The new x start position of the line (in px).
- * @param {number} x2 The new x end position of the line (in px).
- * @param {number} y1 The new y start position of the line (in px).
- * @param {number} y2 The new y end position of the line (in px).
- * @private
- */
-Blockly.Grid.prototype.setLineAttributes_ = function(line, width,
-    x1, x2, y1, y2) {
-  if (line) {
-    line.setAttribute('stroke-width', width);
-    line.setAttribute('x1', x1);
-    line.setAttribute('y1', y1);
-    line.setAttribute('x2', x2);
-    line.setAttribute('y2', y2);
-  }
-};
-
-/**
- * Move the grid to a new x and y position, and make sure that change is
- * visible.
- * @param {number} x The new x position of the grid (in px).
- * @param {number} y The new y position of the grid (in px).
- * @package
- */
-Blockly.Grid.prototype.moveTo = function(x, y) {
-  this.gridPattern_.setAttribute('x', x);
-  this.gridPattern_.setAttribute('y', y);
-
-  if (Blockly.utils.userAgent.IE || Blockly.utils.userAgent.EDGE) {
-    // IE/Edge doesn't notice that the x/y offsets have changed.
-    // Force an update.
-    this.update(this.scale_);
-  }
-};
-
-/**
- * Create the DOM for the grid described by options.
- * @param {string} rnd A random ID to append to the pattern's ID.
- * @param {!Object} gridOptions The object containing grid configuration.
- * @param {!SVGElement} defs The root SVG element for this workspace's defs.
- * @return {!SVGElement} The SVG element for the grid pattern.
- * @package
- */
-Blockly.Grid.createDom = function(rnd, gridOptions, defs) {
-  /*
-    <pattern id="blocklyGridPattern837493" patternUnits="userSpaceOnUse">
-      <rect stroke="#888" />
-      <rect stroke="#888" />
-    </pattern>
-  */
-  var gridPattern = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATTERN,
-      {
-        'id': 'blocklyGridPattern' + rnd,
-        'patternUnits': 'userSpaceOnUse'
-      }, defs);
-  if (gridOptions['length'] > 0 && gridOptions['spacing'] > 0) {
-    Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.LINE,
-        {'stroke': gridOptions['colour']}, gridPattern);
-    if (gridOptions['length'] > 1) {
-      Blockly.utils.dom.createSvgElement(
-          Blockly.utils.Svg.LINE,
-          {'stroke': gridOptions['colour']}, gridPattern);
-    }
-    // x1, y1, x1, x2 properties will be set later in update.
-  } else {
-    // Edge 16 doesn't handle empty patterns
-    Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.LINE, {}, gridPattern);
-  }
-  return gridPattern;
-};
diff --git a/core/grid.ts b/core/grid.ts
new file mode 100644
index 00000000000..1a5de250e5c
--- /dev/null
+++ b/core/grid.ts
@@ -0,0 +1,252 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Object for configuring and updating a workspace grid in
+ * Blockly.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Grid
+
+import * as dom from './utils/dom.js';
+import {Coordinate} from './utils/coordinate.js';
+import {Svg} from './utils/svg.js';
+import {GridOptions} from './options.js';
+
+/**
+ * Class for a workspace's grid.
+ */
+export class Grid {
+  private spacing: number;
+  private length: number;
+  private scale: number = 1;
+  private readonly line1: SVGElement;
+  private readonly line2: SVGElement;
+  private snapToGrid: boolean;
+
+  /**
+   * @param pattern The grid's SVG pattern, created during injection.
+   * @param options A dictionary of normalized options for the grid.
+   *     See grid documentation:
+   *     https://developers.google.com/blockly/guides/configure/web/grid
+   */
+  constructor(
+    private pattern: SVGElement,
+    options: GridOptions,
+  ) {
+    /** The spacing of the grid lines (in px). */
+    this.spacing = options['spacing'] ?? 0;
+
+    /** How long the grid lines should be (in px). */
+    this.length = options['length'] ?? 1;
+
+    /** The horizontal grid line, if it exists. */
+    this.line1 = pattern.firstChild as SVGElement;
+
+    /** The vertical grid line, if it exists. */
+    this.line2 = this.line1 && (this.line1.nextSibling as SVGElement);
+
+    /** Whether blocks should snap to the grid. */
+    this.snapToGrid = options['snap'] ?? false;
+  }
+
+  /**
+   * Sets the spacing between the centers of the grid lines.
+   *
+   * This does not trigger snapping to the newly spaced grid. If you want to
+   * snap blocks to the grid programmatically that needs to be triggered
+   * on individual top-level blocks. The next time a block is dragged and
+   * dropped it will snap to the grid if snapping to the grid is enabled.
+   */
+  setSpacing(spacing: number) {
+    this.spacing = spacing;
+    this.update(this.scale);
+  }
+
+  /**
+   * Get the spacing of the grid points (in px).
+   *
+   * @returns The spacing of the grid points.
+   */
+  getSpacing(): number {
+    return this.spacing;
+  }
+
+  /** Sets the length of the grid lines. */
+  setLength(length: number) {
+    this.length = length;
+    this.update(this.scale);
+  }
+
+  /** Get the length of the grid lines (in px). */
+  getLength(): number {
+    return this.length;
+  }
+
+  /**
+   * Sets whether blocks should snap to the grid or not.
+   *
+   * Setting this to true does not trigger snapping. If you want to snap blocks
+   * to the grid programmatically that needs to be triggered on individual
+   * top-level blocks. The next time a block is dragged and dropped it will
+   * snap to the grid.
+   */
+  setSnapToGrid(snap: boolean) {
+    this.snapToGrid = snap;
+  }
+
+  /**
+   * Whether blocks should snap to the grid.
+   *
+   * @returns True if blocks should snap, false otherwise.
+   */
+  shouldSnap(): boolean {
+    return this.snapToGrid;
+  }
+
+  /**
+   * Get the ID of the pattern element, which should be randomized to avoid
+   * conflicts with other Blockly instances on the page.
+   *
+   * @returns The pattern ID.
+   * @internal
+   */
+  getPatternId(): string {
+    return this.pattern.id;
+  }
+
+  /**
+   * Update the grid with a new scale.
+   *
+   * @param scale The new workspace scale.
+   * @internal
+   */
+  update(scale: number) {
+    this.scale = scale;
+    const safeSpacing = this.spacing * scale;
+
+    this.pattern.setAttribute('width', `${safeSpacing}`);
+    this.pattern.setAttribute('height', `${safeSpacing}`);
+
+    let half = Math.floor(this.spacing / 2) + 0.5;
+    let start = half - this.length / 2;
+    let end = half + this.length / 2;
+
+    half *= scale;
+    start *= scale;
+    end *= scale;
+
+    this.setLineAttributes(this.line1, scale, start, end, half, half);
+    this.setLineAttributes(this.line2, scale, half, half, start, end);
+  }
+
+  /**
+   * Set the attributes on one of the lines in the grid.  Use this to update the
+   * length and stroke width of the grid lines.
+   *
+   * @param line Which line to update.
+   * @param width The new stroke size (in px).
+   * @param x1 The new x start position of the line (in px).
+   * @param x2 The new x end position of the line (in px).
+   * @param y1 The new y start position of the line (in px).
+   * @param y2 The new y end position of the line (in px).
+   */
+  private setLineAttributes(
+    line: SVGElement,
+    width: number,
+    x1: number,
+    x2: number,
+    y1: number,
+    y2: number,
+  ) {
+    if (line) {
+      line.setAttribute('stroke-width', `${width}`);
+      line.setAttribute('x1', `${x1}`);
+      line.setAttribute('y1', `${y1}`);
+      line.setAttribute('x2', `${x2}`);
+      line.setAttribute('y2', `${y2}`);
+    }
+  }
+
+  /**
+   * Move the grid to a new x and y position, and make sure that change is
+   * visible.
+   *
+   * @param x The new x position of the grid (in px).
+   * @param y The new y position of the grid (in px).
+   * @internal
+   */
+  moveTo(x: number, y: number) {
+    this.pattern.setAttribute('x', `${x}`);
+    this.pattern.setAttribute('y', `${y}`);
+  }
+
+  /**
+   * Given a coordinate, return the nearest coordinate aligned to the grid.
+   *
+   * @param xy A workspace coordinate.
+   * @returns Workspace coordinate of nearest grid point.
+   *   If there's no change, return the same coordinate object.
+   */
+  alignXY(xy: Coordinate): Coordinate {
+    const spacing = this.getSpacing();
+    const half = spacing / 2;
+    const x = Math.round(Math.round((xy.x - half) / spacing) * spacing + half);
+    const y = Math.round(Math.round((xy.y - half) / spacing) * spacing + half);
+    if (x === xy.x && y === xy.y) {
+      // No change.
+      return xy;
+    }
+    return new Coordinate(x, y);
+  }
+
+  /**
+   * Create the DOM for the grid described by options.
+   *
+   * @param rnd A random ID to append to the pattern's ID.
+   * @param gridOptions The object containing grid configuration.
+   * @param defs The root SVG element for this workspace's defs.
+   * @returns The SVG element for the grid pattern.
+   * @internal
+   */
+  static createDom(
+    rnd: string,
+    gridOptions: GridOptions,
+    defs: SVGElement,
+  ): SVGElement {
+    /*
+          <pattern id="blocklyGridPattern837493" patternUnits="userSpaceOnUse">
+            <rect stroke="#888" />
+            <rect stroke="#888" />
+          </pattern>
+        */
+    const gridPattern = dom.createSvgElement(
+      Svg.PATTERN,
+      {'id': 'blocklyGridPattern' + rnd, 'patternUnits': 'userSpaceOnUse'},
+      defs,
+    );
+    // x1, y1, x1, x2 properties will be set later in update.
+    if ((gridOptions['length'] ?? 1) > 0 && (gridOptions['spacing'] ?? 0) > 0) {
+      dom.createSvgElement(
+        Svg.LINE,
+        {'stroke': gridOptions['colour']},
+        gridPattern,
+      );
+      if (gridOptions['length'] ?? 1 > 1) {
+        dom.createSvgElement(
+          Svg.LINE,
+          {'stroke': gridOptions['colour']},
+          gridPattern,
+        );
+      }
+    } else {
+      // Edge 16 doesn't handle empty patterns
+      dom.createSvgElement(Svg.LINE, {}, gridPattern);
+    }
+    return gridPattern;
+  }
+}
diff --git a/core/icon.js b/core/icon.js
deleted file mode 100644
index 506915fcdf5..00000000000
--- a/core/icon.js
+++ /dev/null
@@ -1,206 +0,0 @@
-/**
- * @license
- * Copyright 2013 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object representing an icon on a block.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Icon');
-
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Size');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * Class for an icon.
- * @param {Blockly.BlockSvg} block The block associated with this icon.
- * @constructor
- * @abstract
- */
-Blockly.Icon = function(block) {
-  /**
-   * The block this icon is attached to.
-   * @type {Blockly.BlockSvg}
-   * @protected
-   */
-  this.block_ = block;
-
-  /**
-   * The icon SVG group.
-   * @type {?SVGGElement}
-   */
-  this.iconGroup_ = null;
-};
-
-/**
- * Does this icon get hidden when the block is collapsed.
- */
-Blockly.Icon.prototype.collapseHidden = true;
-
-/**
- * Height and width of icons.
- */
-Blockly.Icon.prototype.SIZE = 17;
-
-/**
- * Bubble UI (if visible).
- * @type {Blockly.Bubble}
- * @protected
- */
-Blockly.Icon.prototype.bubble_ = null;
-
-/**
- * Absolute coordinate of icon's center.
- * @type {Blockly.utils.Coordinate}
- * @protected
- */
-Blockly.Icon.prototype.iconXY_ = null;
-
-/**
- * Create the icon on the block.
- */
-Blockly.Icon.prototype.createIcon = function() {
-  if (this.iconGroup_) {
-    // Icon already exists.
-    return;
-  }
-  /* Here's the markup that will be generated:
-  <g class="blocklyIconGroup">
-    ...
-  </g>
-  */
-  this.iconGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G,
-      {'class': 'blocklyIconGroup'}, null);
-  if (this.block_.isInFlyout) {
-    Blockly.utils.dom.addClass(
-        /** @type {!Element} */ (this.iconGroup_), 'blocklyIconGroupReadonly');
-  }
-  this.drawIcon_(this.iconGroup_);
-
-  this.block_.getSvgRoot().appendChild(this.iconGroup_);
-  Blockly.bindEventWithChecks_(
-      this.iconGroup_, 'mouseup', this, this.iconClick_);
-  this.updateEditable();
-};
-
-/**
- * Dispose of this icon.
- */
-Blockly.Icon.prototype.dispose = function() {
-  // Dispose of and unlink the icon.
-  Blockly.utils.dom.removeNode(this.iconGroup_);
-  this.iconGroup_ = null;
-  // Dispose of and unlink the bubble.
-  this.setVisible(false);
-  this.block_ = null;
-};
-
-/**
- * Add or remove the UI indicating if this icon may be clicked or not.
- */
-Blockly.Icon.prototype.updateEditable = function() {
-  // No-op on the base class.
-};
-
-/**
- * Is the associated bubble visible?
- * @return {boolean} True if the bubble is visible.
- */
-Blockly.Icon.prototype.isVisible = function() {
-  return !!this.bubble_;
-};
-
-/**
- * Clicking on the icon toggles if the bubble is visible.
- * @param {!Event} e Mouse click event.
- * @protected
- */
-Blockly.Icon.prototype.iconClick_ = function(e) {
-  if (this.block_.workspace.isDragging()) {
-    // Drag operation is concluding.  Don't open the editor.
-    return;
-  }
-  if (!this.block_.isInFlyout && !Blockly.utils.isRightButton(e)) {
-    this.setVisible(!this.isVisible());
-  }
-};
-
-/**
- * Change the colour of the associated bubble to match its block.
- */
-Blockly.Icon.prototype.applyColour = function() {
-  if (this.isVisible()) {
-    this.bubble_.setColour(this.block_.style.colourPrimary);
-  }
-};
-
-/**
- * Notification that the icon has moved.  Update the arrow accordingly.
- * @param {!Blockly.utils.Coordinate} xy Absolute location in workspace coordinates.
- */
-Blockly.Icon.prototype.setIconLocation = function(xy) {
-  this.iconXY_ = xy;
-  if (this.isVisible()) {
-    this.bubble_.setAnchorLocation(xy);
-  }
-};
-
-/**
- * Notification that the icon has moved, but we don't really know where.
- * Recompute the icon's location from scratch.
- */
-Blockly.Icon.prototype.computeIconLocation = function() {
-  // Find coordinates for the centre of the icon and update the arrow.
-  var blockXY = this.block_.getRelativeToSurfaceXY();
-  var iconXY = Blockly.utils.getRelativeXY(
-      /** @type {!SVGElement} */ (this.iconGroup_));
-  var newXY = new Blockly.utils.Coordinate(
-      blockXY.x + iconXY.x + this.SIZE / 2,
-      blockXY.y + iconXY.y + this.SIZE / 2);
-  if (!Blockly.utils.Coordinate.equals(this.getIconLocation(), newXY)) {
-    this.setIconLocation(newXY);
-  }
-};
-
-/**
- * Returns the center of the block's icon relative to the surface.
- * @return {Blockly.utils.Coordinate} Object with x and y properties in
- *     workspace coordinates.
- */
-Blockly.Icon.prototype.getIconLocation = function() {
-  return this.iconXY_;
-};
-
-/**
- * Get the size of the icon as used for rendering.
- * This differs from the actual size of the icon, because it bulges slightly
- * out of its row rather than increasing the height of its row.
- * @return {!Blockly.utils.Size} Height and width.
- */
-// TODO (#2562): Remove getCorrectedSize.
-Blockly.Icon.prototype.getCorrectedSize = function() {
-  return new Blockly.utils.Size(
-      Blockly.Icon.prototype.SIZE, Blockly.Icon.prototype.SIZE - 2);
-};
-
-/**
- * Draw the icon.
- * @param {!Element} group The icon group.
- * @protected
- */
-Blockly.Icon.prototype.drawIcon_;
-
-/**
- * Show or hide the icon.
- * @param {boolean} visible True if the icon should be visible.
- */
-Blockly.Icon.prototype.setVisible;
diff --git a/core/icons.ts b/core/icons.ts
new file mode 100644
index 00000000000..61d1594b826
--- /dev/null
+++ b/core/icons.ts
@@ -0,0 +1,24 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {Icon} from './icons/icon.js';
+import {CommentIcon, CommentState} from './icons/comment_icon.js';
+import {MutatorIcon} from './icons/mutator_icon.js';
+import {WarningIcon} from './icons/warning_icon.js';
+import {IconType} from './icons/icon_types.js';
+import * as exceptions from './icons/exceptions.js';
+import * as registry from './icons/registry.js';
+
+export {
+  Icon,
+  CommentIcon,
+  CommentState,
+  MutatorIcon,
+  WarningIcon,
+  IconType,
+  exceptions,
+  registry,
+};
diff --git a/core/icons/comment_icon.ts b/core/icons/comment_icon.ts
new file mode 100644
index 00000000000..df54560c557
--- /dev/null
+++ b/core/icons/comment_icon.ts
@@ -0,0 +1,370 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Comment
+
+import type {Block} from '../block.js';
+import type {BlockSvg} from '../block_svg.js';
+import {IconType} from './icon_types.js';
+import {Coordinate} from '../utils.js';
+import * as dom from '../utils/dom.js';
+import * as eventUtils from '../events/utils.js';
+import {Icon} from './icon.js';
+import type {IHasBubble} from '../interfaces/i_has_bubble.js';
+import type {ISerializable} from '../interfaces/i_serializable.js';
+import {Rect} from '../utils/rect.js';
+import * as registry from './registry.js';
+import {Size} from '../utils/size.js';
+import {Svg} from '../utils/svg.js';
+import {TextBubble} from '../bubbles/text_bubble.js';
+import {TextInputBubble} from '../bubbles/textinput_bubble.js';
+import type {WorkspaceSvg} from '../workspace_svg.js';
+import * as renderManagement from '../render_management.js';
+
+/** The size of the comment icon in workspace-scale units. */
+const SIZE = 17;
+
+/** The default width in workspace-scale units of the text input bubble. */
+const DEFAULT_BUBBLE_WIDTH = 160;
+
+/** The default height in workspace-scale units of the text input bubble. */
+const DEFAULT_BUBBLE_HEIGHT = 80;
+
+/**
+ * An icon which allows the user to add comment text to a block.
+ */
+export class CommentIcon extends Icon implements IHasBubble, ISerializable {
+  /** The type string used to identify this icon. */
+  static readonly TYPE = IconType.COMMENT;
+
+  /**
+   * The weight this icon has relative to other icons. Icons with more positive
+   * weight values are rendered farther toward the end of the block.
+   */
+  static readonly WEIGHT = 3;
+
+  /** The bubble used to show editable text to the user. */
+  private textInputBubble: TextInputBubble | null = null;
+
+  /** The bubble used to show non-editable text to the user. */
+  private textBubble: TextBubble | null = null;
+
+  /** The text of this comment. */
+  private text = '';
+
+  /** The size of this comment (which is applied to the editable bubble). */
+  private bubbleSize = new Size(DEFAULT_BUBBLE_WIDTH, DEFAULT_BUBBLE_HEIGHT);
+
+  /**
+   * The visibility of the bubble for this comment.
+   *
+   * This is used to track what the visibile state /should/ be, not necessarily
+   * what it currently /is/. E.g. sometimes this will be true, but the block
+   * hasn't been rendered yet, so the bubble will not currently be visible.
+   */
+  private bubbleVisiblity = false;
+
+  constructor(protected readonly sourceBlock: Block) {
+    super(sourceBlock);
+  }
+
+  override getType(): IconType<CommentIcon> {
+    return CommentIcon.TYPE;
+  }
+
+  override initView(pointerdownListener: (e: PointerEvent) => void): void {
+    if (this.svgRoot) return; // Already initialized.
+
+    super.initView(pointerdownListener);
+
+    // Circle.
+    dom.createSvgElement(
+      Svg.CIRCLE,
+      {'class': 'blocklyIconShape', 'r': '8', 'cx': '8', 'cy': '8'},
+      this.svgRoot,
+    );
+    // Can't use a real '?' text character since different browsers and
+    // operating systems render it differently. Body of question mark.
+    dom.createSvgElement(
+      Svg.PATH,
+      {
+        'class': 'blocklyIconSymbol',
+        'd':
+          'm6.8,10h2c0.003,-0.617 0.271,-0.962 0.633,-1.266 2.875,-2.405' +
+          '0.607,-5.534 -3.765,-3.874v1.7c3.12,-1.657 3.698,0.118 2.336,1.25' +
+          '-1.201,0.998 -1.201,1.528 -1.204,2.19z',
+      },
+      this.svgRoot,
+    );
+    // Dot of question mark.
+    dom.createSvgElement(
+      Svg.RECT,
+      {
+        'class': 'blocklyIconSymbol',
+        'x': '6.8',
+        'y': '10.78',
+        'height': '2',
+        'width': '2',
+      },
+      this.svgRoot,
+    );
+    dom.addClass(this.svgRoot!, 'blockly-icon-comment');
+  }
+
+  override dispose() {
+    super.dispose();
+    this.textInputBubble?.dispose();
+    this.textBubble?.dispose();
+  }
+
+  override getWeight(): number {
+    return CommentIcon.WEIGHT;
+  }
+
+  override getSize(): Size {
+    return new Size(SIZE, SIZE);
+  }
+
+  override applyColour(): void {
+    super.applyColour();
+    const colour = (this.sourceBlock as BlockSvg).style.colourPrimary;
+    this.textInputBubble?.setColour(colour);
+    this.textBubble?.setColour(colour);
+  }
+
+  /**
+   * Updates the state of the bubble (editable / noneditable) to reflect the
+   * state of the bubble if the bubble is currently shown.
+   */
+  override async updateEditable(): Promise<void> {
+    super.updateEditable();
+    if (this.bubbleIsVisible()) {
+      // Close and reopen the bubble to display the correct UI.
+      await this.setBubbleVisible(false);
+      await this.setBubbleVisible(true);
+    }
+  }
+
+  override onLocationChange(blockOrigin: Coordinate): void {
+    super.onLocationChange(blockOrigin);
+    const anchorLocation = this.getAnchorLocation();
+    this.textInputBubble?.setAnchorLocation(anchorLocation);
+    this.textBubble?.setAnchorLocation(anchorLocation);
+  }
+
+  /** Sets the text of this comment. Updates any bubbles if they are visible. */
+  setText(text: string) {
+    const oldText = this.text;
+    eventUtils.fire(
+      new (eventUtils.get(eventUtils.BLOCK_CHANGE))(
+        this.sourceBlock,
+        'comment',
+        null,
+        oldText,
+        text,
+      ),
+    );
+    this.text = text;
+    this.textInputBubble?.setText(this.text);
+    this.textBubble?.setText(this.text);
+  }
+
+  /** Returns the text of this comment. */
+  getText(): string {
+    return this.text;
+  }
+
+  /**
+   * Sets the size of the editable bubble for this comment. Resizes the
+   * bubble if it is visible.
+   */
+  setBubbleSize(size: Size) {
+    this.bubbleSize = size;
+    this.textInputBubble?.setSize(this.bubbleSize, true);
+  }
+
+  /** @returns the size of the editable bubble for this comment. */
+  getBubbleSize(): Size {
+    return this.bubbleSize;
+  }
+
+  /**
+   * @returns the state of the comment as a JSON serializable value if the
+   * comment has text. Otherwise returns null.
+   */
+  saveState(): CommentState | null {
+    if (this.text) {
+      return {
+        'text': this.text,
+        'pinned': this.bubbleIsVisible(),
+        'height': this.bubbleSize.height,
+        'width': this.bubbleSize.width,
+      };
+    }
+    return null;
+  }
+
+  /** Applies the given state to this comment. */
+  loadState(state: CommentState) {
+    this.text = state['text'] ?? '';
+    this.bubbleSize = new Size(
+      state['width'] ?? DEFAULT_BUBBLE_WIDTH,
+      state['height'] ?? DEFAULT_BUBBLE_HEIGHT,
+    );
+    this.bubbleVisiblity = state['pinned'] ?? false;
+    this.setBubbleVisible(this.bubbleVisiblity);
+  }
+
+  override onClick(): void {
+    super.onClick();
+    this.setBubbleVisible(!this.bubbleIsVisible());
+  }
+
+  override isClickableInFlyout(): boolean {
+    return false;
+  }
+
+  /**
+   * Updates the text of this comment in response to changes in the text of
+   * the input bubble.
+   */
+  onTextChange(): void {
+    if (!this.textInputBubble) return;
+
+    const newText = this.textInputBubble.getText();
+    if (this.text === newText) return;
+
+    eventUtils.fire(
+      new (eventUtils.get(eventUtils.BLOCK_CHANGE))(
+        this.sourceBlock,
+        'comment',
+        null,
+        this.text,
+        newText,
+      ),
+    );
+    this.text = newText;
+  }
+
+  /**
+   * Updates the size of this icon in response to changes in the size of the
+   * input bubble.
+   */
+  onSizeChange(): void {
+    if (this.textInputBubble) {
+      this.bubbleSize = this.textInputBubble.getSize();
+    }
+  }
+
+  bubbleIsVisible(): boolean {
+    return this.bubbleVisiblity;
+  }
+
+  async setBubbleVisible(visible: boolean): Promise<void> {
+    if (this.bubbleVisiblity === visible) return;
+    this.bubbleVisiblity = visible;
+
+    await renderManagement.finishQueuedRenders();
+
+    if (
+      !this.sourceBlock.rendered ||
+      this.sourceBlock.isInFlyout ||
+      this.sourceBlock.isInsertionMarker()
+    )
+      return;
+
+    if (visible) {
+      if (this.sourceBlock.isEditable()) {
+        this.showEditableBubble();
+      } else {
+        this.showNonEditableBubble();
+      }
+      this.applyColour();
+    } else {
+      this.hideBubble();
+    }
+
+    eventUtils.fire(
+      new (eventUtils.get(eventUtils.BUBBLE_OPEN))(
+        this.sourceBlock,
+        visible,
+        'comment',
+      ),
+    );
+  }
+
+  /**
+   * Shows the editable text bubble for this comment, and adds change listeners
+   * to update the state of this icon in response to changes in the bubble.
+   */
+  private showEditableBubble() {
+    this.textInputBubble = new TextInputBubble(
+      this.sourceBlock.workspace as WorkspaceSvg,
+      this.getAnchorLocation(),
+      this.getBubbleOwnerRect(),
+    );
+    this.textInputBubble.setText(this.getText());
+    this.textInputBubble.setSize(this.bubbleSize, true);
+    this.textInputBubble.addTextChangeListener(() => this.onTextChange());
+    this.textInputBubble.addSizeChangeListener(() => this.onSizeChange());
+  }
+
+  /** Shows the non editable text bubble for this comment. */
+  private showNonEditableBubble() {
+    this.textBubble = new TextBubble(
+      this.getText(),
+      this.sourceBlock.workspace as WorkspaceSvg,
+      this.getAnchorLocation(),
+      this.getBubbleOwnerRect(),
+    );
+  }
+
+  /** Hides any open bubbles owned by this comment. */
+  private hideBubble() {
+    this.textInputBubble?.dispose();
+    this.textInputBubble = null;
+    this.textBubble?.dispose();
+    this.textBubble = null;
+  }
+
+  /**
+   * @returns the location the bubble should be anchored to.
+   *     I.E. the middle of this icon.
+   */
+  private getAnchorLocation(): Coordinate {
+    const midIcon = SIZE / 2;
+    return Coordinate.sum(
+      this.workspaceLocation,
+      new Coordinate(midIcon, midIcon),
+    );
+  }
+
+  /**
+   * @returns the rect the bubble should avoid overlapping.
+   *     I.E. the block that owns this icon.
+   */
+  private getBubbleOwnerRect(): Rect {
+    const bbox = (this.sourceBlock as BlockSvg).getSvgRoot().getBBox();
+    return new Rect(bbox.y, bbox.y + bbox.height, bbox.x, bbox.x + bbox.width);
+  }
+}
+
+/** The save state format for a comment icon. */
+export interface CommentState {
+  /** The text of the comment. */
+  text?: string;
+
+  /** True if the comment is open, false otherwise. */
+  pinned?: boolean;
+
+  /** The height of the comment bubble. */
+  height?: number;
+
+  /** The width of the comment bubble. */
+  width?: number;
+}
+
+registry.register(CommentIcon.TYPE, CommentIcon);
diff --git a/core/icons/exceptions.ts b/core/icons/exceptions.ts
new file mode 100644
index 00000000000..26b48e7c88a
--- /dev/null
+++ b/core/icons/exceptions.ts
@@ -0,0 +1,23 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {IIcon} from '../interfaces/i_icon.js';
+
+/**
+ * Thrown when you add more than one icon of the same type to a block.
+ */
+export class DuplicateIconType extends Error {
+  /**
+   * @internal
+   */
+  constructor(public icon: IIcon) {
+    super(
+      `Tried to append an icon of type ${icon.getType()} when an icon of ` +
+        `that type already exists on the block. ` +
+        `Use getIcon to access the existing icon.`,
+    );
+  }
+}
diff --git a/core/icons/icon.ts b/core/icons/icon.ts
new file mode 100644
index 00000000000..6ad9532366e
--- /dev/null
+++ b/core/icons/icon.ts
@@ -0,0 +1,147 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {Block} from '../block.js';
+import type {BlockSvg} from '../block_svg.js';
+import * as browserEvents from '../browser_events.js';
+import {hasBubble} from '../interfaces/i_has_bubble.js';
+import type {IIcon} from '../interfaces/i_icon.js';
+import {Coordinate} from '../utils/coordinate.js';
+import * as dom from '../utils/dom.js';
+import {Size} from '../utils/size.js';
+import {Svg} from '../utils/svg.js';
+import type {IconType} from './icon_types.js';
+import * as tooltip from '../tooltip.js';
+
+/**
+ * The abstract icon class. Icons are visual elements that live in the top-start
+ * corner of the block. Usually they provide more "meta" information about a
+ * block (such as warnings or comments) as opposed to fields, which provide
+ * "actual" information, related to how a block functions.
+ */
+export abstract class Icon implements IIcon {
+  /**
+   * The position of this icon relative to its blocks top-start,
+   * in workspace units.
+   */
+  protected offsetInBlock: Coordinate = new Coordinate(0, 0);
+
+  /** The position of this icon in workspace coordinates. */
+  protected workspaceLocation: Coordinate = new Coordinate(0, 0);
+
+  /** The root svg element visually representing this icon. */
+  protected svgRoot: SVGGElement | null = null;
+
+  /** The tooltip for this icon. */
+  protected tooltip: tooltip.TipInfo;
+
+  constructor(protected sourceBlock: Block) {
+    this.tooltip = sourceBlock;
+  }
+
+  getType(): IconType<IIcon> {
+    throw new Error('Icons must implement getType');
+  }
+
+  initView(pointerdownListener: (e: PointerEvent) => void): void {
+    if (this.svgRoot) return; // The icon has already been initialized.
+
+    const svgBlock = this.sourceBlock as BlockSvg;
+    this.svgRoot = dom.createSvgElement(Svg.G, {'class': 'blocklyIconGroup'});
+    svgBlock.getSvgRoot().appendChild(this.svgRoot);
+    this.updateSvgRootOffset();
+    browserEvents.conditionalBind(
+      this.svgRoot,
+      'pointerdown',
+      this,
+      pointerdownListener,
+    );
+    (this.svgRoot as any).tooltip = this;
+    tooltip.bindMouseEvents(this.svgRoot);
+  }
+
+  dispose(): void {
+    tooltip.unbindMouseEvents(this.svgRoot);
+    dom.removeNode(this.svgRoot);
+  }
+
+  getWeight(): number {
+    return -1;
+  }
+
+  getSize(): Size {
+    return new Size(0, 0);
+  }
+
+  /**
+   * Sets the tooltip for this icon to the given value. Null to show the
+   * tooltip of the block.
+   */
+  setTooltip(tip: tooltip.TipInfo | null) {
+    this.tooltip = tip ?? this.sourceBlock;
+  }
+
+  /** Returns the tooltip for this icon. */
+  getTooltip(): tooltip.TipInfo {
+    return this.tooltip;
+  }
+
+  applyColour(): void {}
+
+  updateEditable(): void {}
+
+  updateCollapsed(): void {
+    if (!this.svgRoot) return;
+    if (this.sourceBlock.isCollapsed()) {
+      this.svgRoot.style.display = 'none';
+    } else {
+      this.svgRoot.style.display = 'block';
+    }
+    if (hasBubble(this)) {
+      this.setBubbleVisible(false);
+    }
+  }
+
+  hideForInsertionMarker(): void {
+    if (!this.svgRoot) return;
+    this.svgRoot.style.display = 'none';
+  }
+
+  isShownWhenCollapsed(): boolean {
+    return false;
+  }
+
+  setOffsetInBlock(offset: Coordinate): void {
+    this.offsetInBlock = offset;
+    this.updateSvgRootOffset();
+  }
+
+  private updateSvgRootOffset(): void {
+    this.svgRoot?.setAttribute(
+      'transform',
+      `translate(${this.offsetInBlock.x}, ${this.offsetInBlock.y})`,
+    );
+  }
+
+  onLocationChange(blockOrigin: Coordinate): void {
+    this.workspaceLocation = Coordinate.sum(blockOrigin, this.offsetInBlock);
+  }
+
+  onClick(): void {}
+
+  /**
+   * Check whether the icon should be clickable while the block is in a flyout.
+   * The default is that icons are clickable in all flyouts (auto-closing or not).
+   * Subclasses may override this function to change this behavior.
+   *
+   * @param autoClosingFlyout true if the containing flyout is an auto-closing one.
+   * @returns Whether the icon should be clickable while the block is in a flyout.
+   */
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  isClickableInFlyout(autoClosingFlyout: boolean): boolean {
+    return true;
+  }
+}
diff --git a/core/icons/icon_types.ts b/core/icons/icon_types.ts
new file mode 100644
index 00000000000..c5edb0f7487
--- /dev/null
+++ b/core/icons/icon_types.ts
@@ -0,0 +1,32 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {ICommentIcon} from '../interfaces/i_comment_icon.js';
+import {IIcon} from '../interfaces/i_icon.js';
+import {MutatorIcon} from './mutator_icon.js';
+import {WarningIcon} from './warning_icon.js';
+
+/**
+ * Defines the type of an icon, so that it can be retrieved from block.getIcon
+ */
+export class IconType<_T extends IIcon> {
+  /** @param name The name of the registry type. */
+  constructor(private readonly name: string) {}
+
+  /** @returns the name of the type. */
+  toString(): string {
+    return this.name;
+  }
+
+  /** @returns true if this icon type is equivalent to the given icon type. */
+  equals(type: IconType<IIcon>): boolean {
+    return this.name === type.toString();
+  }
+
+  static MUTATOR = new IconType<MutatorIcon>('mutator');
+  static WARNING = new IconType<WarningIcon>('warning');
+  static COMMENT = new IconType<ICommentIcon>('comment');
+}
diff --git a/core/icons/mutator_icon.ts b/core/icons/mutator_icon.ts
new file mode 100644
index 00000000000..7fb3fcf3b81
--- /dev/null
+++ b/core/icons/mutator_icon.ts
@@ -0,0 +1,354 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Mutator
+
+import type {Abstract} from '../events/events_abstract.js';
+import {BlockChange} from '../events/events_block_change.js';
+import type {BlocklyOptions} from '../blockly_options.js';
+import type {BlockSvg} from '../block_svg.js';
+import {Coordinate} from '../utils/coordinate.js';
+import * as dom from '../utils/dom.js';
+import * as eventUtils from '../events/utils.js';
+import type {IHasBubble} from '../interfaces/i_has_bubble.js';
+import {Icon} from './icon.js';
+import {MiniWorkspaceBubble} from '../bubbles/mini_workspace_bubble.js';
+import {Rect} from '../utils/rect.js';
+import {Size} from '../utils/size.js';
+import {Svg} from '../utils/svg.js';
+import type {WorkspaceSvg} from '../workspace_svg.js';
+import {IconType} from './icon_types.js';
+import * as renderManagement from '../render_management.js';
+
+/** The size of the mutator icon in workspace-scale units. */
+const SIZE = 17;
+
+/**
+ * The distance between the root block in the mini workspace and that
+ * workspace's edges.
+ */
+const WORKSPACE_MARGIN = 16;
+
+/**
+ * An icon that allows the user to change the shape of the block.
+ *
+ * For example, it could be used to add additional fields or inputs to
+ * the block.
+ */
+export class MutatorIcon extends Icon implements IHasBubble {
+  /** The type string used to identify this icon. */
+  static readonly TYPE = IconType.MUTATOR;
+
+  /**
+   * The weight this icon has relative to other icons. Icons with more positive
+   * weight values are rendered farther toward the end of the block.
+   */
+  static readonly WEIGHT = 1;
+
+  /** The bubble used to show the mini workspace to the user. */
+  private miniWorkspaceBubble: MiniWorkspaceBubble | null = null;
+
+  /** The root block in the mini workspace. */
+  private rootBlock: BlockSvg | null = null;
+
+  /** The PID tracking updating the workkspace in response to user events. */
+  private updateWorkspacePid: ReturnType<typeof setTimeout> | null = null;
+
+  /**
+   * The change listener in the main workspace that triggers the saveConnections
+   * method when anything in the main workspace changes.
+   *
+   * Only actually registered to listen for events while the mutator bubble is
+   * open.
+   */
+  private saveConnectionsListener: (() => void) | null = null;
+
+  constructor(
+    private readonly flyoutBlockTypes: string[],
+    protected readonly sourceBlock: BlockSvg,
+  ) {
+    super(sourceBlock);
+  }
+
+  override getType(): IconType<MutatorIcon> {
+    return MutatorIcon.TYPE;
+  }
+
+  override initView(pointerdownListener: (e: PointerEvent) => void): void {
+    if (this.svgRoot) return; // Already initialized.
+
+    super.initView(pointerdownListener);
+
+    // Square with rounded corners.
+    dom.createSvgElement(
+      Svg.RECT,
+      {
+        'class': 'blocklyIconShape',
+        'rx': '4',
+        'ry': '4',
+        'height': '16',
+        'width': '16',
+      },
+      this.svgRoot,
+    );
+    // Gear teeth.
+    dom.createSvgElement(
+      Svg.PATH,
+      {
+        'class': 'blocklyIconSymbol',
+        'd':
+          'm4.203,7.296 0,1.368 -0.92,0.677 -0.11,0.41 0.9,1.559 0.41,' +
+          '0.11 1.043,-0.457 1.187,0.683 0.127,1.134 0.3,0.3 1.8,0 0.3,' +
+          '-0.299 0.127,-1.138 1.185,-0.682 1.046,0.458 0.409,-0.11 0.9,' +
+          '-1.559 -0.11,-0.41 -0.92,-0.677 0,-1.366 0.92,-0.677 0.11,' +
+          '-0.41 -0.9,-1.559 -0.409,-0.109 -1.046,0.458 -1.185,-0.682 ' +
+          '-0.127,-1.138 -0.3,-0.299 -1.8,0 -0.3,0.3 -0.126,1.135 -1.187,' +
+          '0.682 -1.043,-0.457 -0.41,0.11 -0.899,1.559 0.108,0.409z',
+      },
+      this.svgRoot,
+    );
+    // Axle hole.
+    dom.createSvgElement(
+      Svg.CIRCLE,
+      {'class': 'blocklyIconShape', 'r': '2.7', 'cx': '8', 'cy': '8'},
+      this.svgRoot,
+    );
+    dom.addClass(this.svgRoot!, 'blockly-icon-mutator');
+  }
+
+  override dispose(): void {
+    super.dispose();
+    this.miniWorkspaceBubble?.dispose();
+  }
+
+  override getWeight(): number {
+    return MutatorIcon.WEIGHT;
+  }
+
+  override getSize(): Size {
+    return new Size(SIZE, SIZE);
+  }
+
+  override applyColour(): void {
+    super.applyColour();
+    this.miniWorkspaceBubble?.setColour(this.sourceBlock.style.colourPrimary);
+    this.miniWorkspaceBubble?.updateBlockStyles();
+  }
+
+  override updateCollapsed(): void {
+    super.updateCollapsed();
+    if (this.sourceBlock.isCollapsed()) this.setBubbleVisible(false);
+  }
+
+  override onLocationChange(blockOrigin: Coordinate): void {
+    super.onLocationChange(blockOrigin);
+    this.miniWorkspaceBubble?.setAnchorLocation(this.getAnchorLocation());
+  }
+
+  override onClick(): void {
+    super.onClick();
+    if (this.sourceBlock.isEditable()) {
+      this.setBubbleVisible(!this.bubbleIsVisible());
+    }
+  }
+
+  override isClickableInFlyout(): boolean {
+    return false;
+  }
+
+  bubbleIsVisible(): boolean {
+    return !!this.miniWorkspaceBubble;
+  }
+
+  async setBubbleVisible(visible: boolean): Promise<void> {
+    if (this.bubbleIsVisible() === visible) return;
+
+    await renderManagement.finishQueuedRenders();
+
+    if (visible) {
+      this.miniWorkspaceBubble = new MiniWorkspaceBubble(
+        this.getMiniWorkspaceConfig(),
+        this.sourceBlock.workspace,
+        this.getAnchorLocation(),
+        this.getBubbleOwnerRect(),
+      );
+      this.applyColour();
+      this.createRootBlock();
+      this.addSaveConnectionsListener();
+      this.miniWorkspaceBubble?.addWorkspaceChangeListener(
+        this.createMiniWorkspaceChangeListener(),
+      );
+    } else {
+      this.miniWorkspaceBubble?.dispose();
+      this.miniWorkspaceBubble = null;
+      if (this.saveConnectionsListener) {
+        this.sourceBlock.workspace.removeChangeListener(
+          this.saveConnectionsListener,
+        );
+      }
+      this.saveConnectionsListener = null;
+    }
+
+    eventUtils.fire(
+      new (eventUtils.get(eventUtils.BUBBLE_OPEN))(
+        this.sourceBlock,
+        visible,
+        'mutator',
+      ),
+    );
+  }
+
+  /** @returns the configuration the mini workspace should have. */
+  private getMiniWorkspaceConfig() {
+    const options: BlocklyOptions = {
+      'disable': false,
+      'media': this.sourceBlock.workspace.options.pathToMedia,
+      'rtl': this.sourceBlock.RTL,
+      'renderer': this.sourceBlock.workspace.options.renderer,
+      'rendererOverrides':
+        this.sourceBlock.workspace.options.rendererOverrides ?? undefined,
+    };
+
+    if (this.flyoutBlockTypes.length) {
+      options.toolbox = {
+        'kind': 'flyoutToolbox',
+        'contents': this.flyoutBlockTypes.map((type) => ({
+          'kind': 'block',
+          'type': type,
+        })),
+      };
+    }
+
+    return options;
+  }
+
+  /**
+   * @returns the location the bubble should be anchored to.
+   *     I.E. the middle of this icon.
+   */
+  private getAnchorLocation(): Coordinate {
+    const midIcon = SIZE / 2;
+    return Coordinate.sum(
+      this.workspaceLocation,
+      new Coordinate(midIcon, midIcon),
+    );
+  }
+
+  /**
+   * @returns the rect the bubble should avoid overlapping.
+   *     I.E. the block that owns this icon.
+   */
+  private getBubbleOwnerRect(): Rect {
+    const bbox = this.sourceBlock.getSvgRoot().getBBox();
+    return new Rect(bbox.y, bbox.y + bbox.height, bbox.x, bbox.x + bbox.width);
+  }
+
+  /** Decomposes the source block to create blocks in the mini workspace. */
+  private createRootBlock() {
+    if (!this.sourceBlock.decompose) {
+      throw new Error(
+        'Blocks with mutator icons must include a decompose method',
+      );
+    }
+    this.rootBlock = this.sourceBlock.decompose(
+      this.miniWorkspaceBubble!.getWorkspace(),
+    )!;
+
+    for (const child of this.rootBlock.getDescendants(false)) {
+      child.queueRender();
+    }
+
+    this.rootBlock.setMovable(false);
+    this.rootBlock.setDeletable(false);
+
+    const flyoutWidth =
+      this.miniWorkspaceBubble?.getWorkspace()?.getFlyout()?.getWidth() ?? 0;
+    this.rootBlock.moveBy(
+      this.rootBlock.RTL ? -(flyoutWidth + WORKSPACE_MARGIN) : WORKSPACE_MARGIN,
+      WORKSPACE_MARGIN,
+    );
+  }
+
+  /** Adds a listen to the source block that triggers saving connections. */
+  private addSaveConnectionsListener() {
+    if (!this.sourceBlock.saveConnections || !this.rootBlock) return;
+    this.saveConnectionsListener = () => {
+      if (!this.sourceBlock.saveConnections || !this.rootBlock) return;
+      this.sourceBlock.saveConnections(this.rootBlock);
+    };
+    this.saveConnectionsListener();
+    this.sourceBlock.workspace.addChangeListener(this.saveConnectionsListener);
+  }
+
+  /**
+   * Creates a change listener to add to the mini workspace which recomposes
+   * the block.
+   */
+  private createMiniWorkspaceChangeListener() {
+    return (e: Abstract) => {
+      if (!MutatorIcon.isIgnorableMutatorEvent(e) && !this.updateWorkspacePid) {
+        this.updateWorkspacePid = setTimeout(() => {
+          this.updateWorkspacePid = null;
+          this.recomposeSourceBlock();
+        }, 0);
+      }
+    };
+  }
+
+  /**
+   * Returns true if the given event is not one the mutator needs to
+   * care about.
+   *
+   * @internal
+   */
+  static isIgnorableMutatorEvent(e: Abstract) {
+    return (
+      e.isUiEvent ||
+      e.type === eventUtils.CREATE ||
+      (e.type === eventUtils.CHANGE &&
+        (e as BlockChange).element === 'disabled')
+    );
+  }
+
+  /** Recomposes the source block based on changes to the mini workspace. */
+  private recomposeSourceBlock() {
+    if (!this.rootBlock) return;
+    if (!this.sourceBlock.compose) {
+      throw new Error(
+        'Blocks with mutator icons must include a compose method',
+      );
+    }
+
+    const existingGroup = eventUtils.getGroup();
+    if (!existingGroup) eventUtils.setGroup(true);
+
+    const oldExtraState = BlockChange.getExtraBlockState_(this.sourceBlock);
+    this.sourceBlock.compose(this.rootBlock);
+    const newExtraState = BlockChange.getExtraBlockState_(this.sourceBlock);
+
+    if (oldExtraState !== newExtraState) {
+      eventUtils.fire(
+        new (eventUtils.get(eventUtils.BLOCK_CHANGE))(
+          this.sourceBlock,
+          'mutation',
+          null,
+          oldExtraState,
+          newExtraState,
+        ),
+      );
+    }
+
+    eventUtils.setGroup(existingGroup);
+  }
+
+  /**
+   * @returns The workspace of the mini workspace bubble, if the bubble is
+   *     currently open.
+   */
+  getWorkspace(): WorkspaceSvg | undefined {
+    return this.miniWorkspaceBubble?.getWorkspace();
+  }
+}
diff --git a/core/icons/registry.ts b/core/icons/registry.ts
new file mode 100644
index 00000000000..ed6be0a004b
--- /dev/null
+++ b/core/icons/registry.ts
@@ -0,0 +1,33 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {Block} from '../block.js';
+import type {IIcon} from '../interfaces/i_icon.js';
+import * as registry from '../registry.js';
+import {IconType} from './icon_types.js';
+
+/**
+ * Registers the given icon so that it can be deserialized.
+ *
+ * @param type The type of the icon to register. This should be the same string
+ *     that is returned from its `getType` method.
+ * @param iconConstructor The icon class/constructor to register.
+ */
+export function register(
+  type: IconType<IIcon>,
+  iconConstructor: new (block: Block) => IIcon,
+) {
+  registry.register(registry.Type.ICON, type.toString(), iconConstructor);
+}
+
+/**
+ * Unregisters the icon associated with the given type.
+ *
+ * @param type The type of the icon to unregister.
+ */
+export function unregister(type: string) {
+  registry.unregister(registry.Type.ICON, type);
+}
diff --git a/core/icons/warning_icon.ts b/core/icons/warning_icon.ts
new file mode 100644
index 00000000000..08f511a60b7
--- /dev/null
+++ b/core/icons/warning_icon.ts
@@ -0,0 +1,219 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Warning
+
+import type {BlockSvg} from '../block_svg.js';
+import {Coordinate} from '../utils/coordinate.js';
+import * as dom from '../utils/dom.js';
+import * as eventUtils from '../events/utils.js';
+import {Icon} from './icon.js';
+import type {IHasBubble} from '../interfaces/i_has_bubble.js';
+import {Rect} from '../utils/rect.js';
+import {Size} from '../utils.js';
+import {Svg} from '../utils/svg.js';
+import {TextBubble} from '../bubbles/text_bubble.js';
+import {IconType} from './icon_types.js';
+import * as renderManagement from '../render_management.js';
+
+/** The size of the warning icon in workspace-scale units. */
+const SIZE = 17;
+
+/**
+ * An icon that warns the user that something is wrong with their block.
+ *
+ * For example, this could be used to warn them about incorrect field values,
+ * or incorrect placement of the block (putting it somewhere it doesn't belong).
+ */
+export class WarningIcon extends Icon implements IHasBubble {
+  /** The type string used to identify this icon. */
+  static readonly TYPE = IconType.WARNING;
+
+  /**
+   * The weight this icon has relative to other icons. Icons with more positive
+   * weight values are rendered farther toward the end of the block.
+   */
+  static readonly WEIGHT = 2;
+
+  /** A map of warning IDs to warning text. */
+  private textMap: Map<string, string> = new Map();
+
+  /** The bubble used to display the warnings to the user. */
+  private textBubble: TextBubble | null = null;
+
+  /** @internal */
+  constructor(protected readonly sourceBlock: BlockSvg) {
+    super(sourceBlock);
+  }
+
+  override getType(): IconType<WarningIcon> {
+    return WarningIcon.TYPE;
+  }
+
+  override initView(pointerdownListener: (e: PointerEvent) => void): void {
+    if (this.svgRoot) return; // Already initialized.
+
+    super.initView(pointerdownListener);
+
+    // Triangle with rounded corners.
+    dom.createSvgElement(
+      Svg.PATH,
+      {
+        'class': 'blocklyIconShape',
+        'd': 'M2,15Q-1,15 0.5,12L6.5,1.7Q8,-1 9.5,1.7L15.5,12Q17,15 14,15z',
+      },
+      this.svgRoot,
+    );
+    // Can't use a real '!' text character since different browsers and
+    // operating systems render it differently. Body of exclamation point.
+    dom.createSvgElement(
+      Svg.PATH,
+      {
+        'class': 'blocklyIconSymbol',
+        'd': 'm7,4.8v3.16l0.27,2.27h1.46l0.27,-2.27v-3.16z',
+      },
+      this.svgRoot,
+    );
+    // Dot of exclamation point.
+    dom.createSvgElement(
+      Svg.RECT,
+      {
+        'class': 'blocklyIconSymbol',
+        'x': '7',
+        'y': '11',
+        'height': '2',
+        'width': '2',
+      },
+      this.svgRoot,
+    );
+    dom.addClass(this.svgRoot!, 'blockly-icon-warning');
+  }
+
+  override dispose() {
+    super.dispose();
+    this.textBubble?.dispose();
+  }
+
+  override getWeight(): number {
+    return WarningIcon.WEIGHT;
+  }
+
+  override getSize(): Size {
+    return new Size(SIZE, SIZE);
+  }
+
+  override applyColour(): void {
+    super.applyColour();
+    this.textBubble?.setColour(this.sourceBlock.style.colourPrimary);
+  }
+
+  override updateCollapsed(): void {
+    // We are shown when collapsed, so do nothing! I.e. skip the default
+    // behavior of hiding.
+  }
+
+  /** Tells blockly that this icon is shown when the block is collapsed. */
+  override isShownWhenCollapsed(): boolean {
+    return true;
+  }
+
+  /** Updates the location of the icon's bubble if it is open. */
+  override onLocationChange(blockOrigin: Coordinate): void {
+    super.onLocationChange(blockOrigin);
+    this.textBubble?.setAnchorLocation(this.getAnchorLocation());
+  }
+
+  /**
+   * Adds a warning message to this warning icon.
+   *
+   * @param text The text of the message to add.
+   * @param id The id of the message to add.
+   * @internal
+   */
+  addMessage(text: string, id: string): this {
+    if (this.textMap.get(id) === text) return this;
+
+    if (text) {
+      this.textMap.set(id, text);
+    } else {
+      this.textMap.delete(id);
+    }
+
+    this.textBubble?.setText(this.getText());
+    return this;
+  }
+
+  /**
+   * @returns the display text for this icon. Includes all warning messages
+   *     concatenated together with newlines.
+   * @internal
+   */
+  getText(): string {
+    return [...this.textMap.values()].join('\n');
+  }
+
+  /** Toggles the visibility of the bubble. */
+  override onClick(): void {
+    super.onClick();
+    this.setBubbleVisible(!this.bubbleIsVisible());
+  }
+
+  override isClickableInFlyout(): boolean {
+    return false;
+  }
+
+  bubbleIsVisible(): boolean {
+    return !!this.textBubble;
+  }
+
+  async setBubbleVisible(visible: boolean): Promise<void> {
+    if (this.bubbleIsVisible() === visible) return;
+
+    await renderManagement.finishQueuedRenders();
+
+    if (visible) {
+      this.textBubble = new TextBubble(
+        this.getText(),
+        this.sourceBlock.workspace,
+        this.getAnchorLocation(),
+        this.getBubbleOwnerRect(),
+      );
+      this.applyColour();
+    } else {
+      this.textBubble?.dispose();
+      this.textBubble = null;
+    }
+
+    eventUtils.fire(
+      new (eventUtils.get(eventUtils.BUBBLE_OPEN))(
+        this.sourceBlock,
+        visible,
+        'warning',
+      ),
+    );
+  }
+
+  /**
+   * @returns the location the bubble should be anchored to.
+   *     I.E. the middle of this icon.
+   */
+  private getAnchorLocation(): Coordinate {
+    const midIcon = SIZE / 2;
+    return Coordinate.sum(
+      this.workspaceLocation,
+      new Coordinate(midIcon, midIcon),
+    );
+  }
+
+  /**
+   * @returns the rect the bubble should avoid overlapping.
+   *     I.E. the block that owns this icon.
+   */
+  private getBubbleOwnerRect(): Rect {
+    const bbox = this.sourceBlock.getSvgRoot().getBBox();
+    return new Rect(bbox.y, bbox.y + bbox.height, bbox.x, bbox.x + bbox.width);
+  }
+}
diff --git a/core/inject.js b/core/inject.js
deleted file mode 100644
index 0278f924ead..00000000000
--- a/core/inject.js
+++ /dev/null
@@ -1,487 +0,0 @@
-/**
- * @license
- * Copyright 2011 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Functions for injecting Blockly into a web page.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.inject');
-
-goog.require('Blockly.BlockDragSurfaceSvg');
-goog.require('Blockly.Component');
-goog.require('Blockly.Css');
-goog.require('Blockly.DropDownDiv');
-goog.require('Blockly.Events');
-goog.require('Blockly.Grid');
-goog.require('Blockly.Msg');
-goog.require('Blockly.Options');
-goog.require('Blockly.ScrollbarPair');
-goog.require('Blockly.Tooltip');
-goog.require('Blockly.user.keyMap');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.utils.userAgent');
-goog.require('Blockly.WorkspaceDragSurfaceSvg');
-goog.require('Blockly.WorkspaceSvg');
-
-goog.requireType('Blockly.utils.Metrics');
-
-
-/**
- * Inject a Blockly editor into the specified container element (usually a div).
- * @param {Element|string} container Containing element, or its ID,
- *     or a CSS selector.
- * @param {Blockly.BlocklyOptions=} opt_options Optional dictionary of options.
- * @return {!Blockly.WorkspaceSvg} Newly created main workspace.
- */
-Blockly.inject = function(container, opt_options) {
-  Blockly.checkBlockColourConstants();
-
-  if (typeof container == 'string') {
-    container = document.getElementById(container) ||
-        document.querySelector(container);
-  }
-  // Verify that the container is in document.
-  if (!container || !Blockly.utils.dom.containsNode(document, container)) {
-    throw Error('Error: container is not in current document.');
-  }
-  var options = new Blockly.Options(opt_options ||
-    (/** @type {!Blockly.BlocklyOptions} */ ({})));
-  var subContainer = document.createElement('div');
-  subContainer.className = 'injectionDiv';
-  subContainer.tabIndex = 0;
-  Blockly.utils.aria.setState(subContainer,
-      Blockly.utils.aria.State.LABEL, Blockly.Msg['WORKSPACE_ARIA_LABEL']);
-
-  container.appendChild(subContainer);
-  var svg = Blockly.createDom_(subContainer, options);
-
-  // Create surfaces for dragging things. These are optimizations
-  // so that the browser does not repaint during the drag.
-  var blockDragSurface = new Blockly.BlockDragSurfaceSvg(subContainer);
-  var workspaceDragSurface = new Blockly.WorkspaceDragSurfaceSvg(subContainer);
-
-  var workspace = Blockly.createMainWorkspace_(svg, options, blockDragSurface,
-      workspaceDragSurface);
-  Blockly.user.keyMap.setKeyMap(options.keyMap);
-
-  Blockly.init_(workspace);
-
-  // Keep focus on the first workspace so entering keyboard navigation looks correct.
-  Blockly.mainWorkspace = workspace;
-
-  Blockly.svgResize(workspace);
-
-  subContainer.addEventListener('focusin', function() {
-    Blockly.mainWorkspace = workspace;
-  });
-
-  return workspace;
-};
-
-/**
- * Create the SVG image.
- * @param {!Element} container Containing element.
- * @param {!Blockly.Options} options Dictionary of options.
- * @return {!Element} Newly created SVG image.
- * @private
- */
-Blockly.createDom_ = function(container, options) {
-  // Sadly browsers (Chrome vs Firefox) are currently inconsistent in laying
-  // out content in RTL mode.  Therefore Blockly forces the use of LTR,
-  // then manually positions content in RTL as needed.
-  container.setAttribute('dir', 'LTR');
-  // Set the default direction for Components to use.
-  Blockly.Component.defaultRightToLeft = options.RTL;
-
-  // Load CSS.
-  Blockly.Css.inject(options.hasCss, options.pathToMedia);
-
-  // Build the SVG DOM.
-  /*
-  <svg
-    xmlns="http://www.w3.org/2000/svg"
-    xmlns:html="http://www.w3.org/1999/xhtml"
-    xmlns:xlink="http://www.w3.org/1999/xlink"
-    version="1.1"
-    class="blocklySvg">
-    ...
-  </svg>
-  */
-  var svg = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.SVG, {
-        'xmlns': Blockly.utils.dom.SVG_NS,
-        'xmlns:html': Blockly.utils.dom.HTML_NS,
-        'xmlns:xlink': Blockly.utils.dom.XLINK_NS,
-        'version': '1.1',
-        'class': 'blocklySvg',
-        'tabindex': '0'
-      }, container);
-  /*
-  <defs>
-    ... filters go here ...
-  </defs>
-  */
-  var defs = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.DEFS, {}, svg);
-  // Each filter/pattern needs a unique ID for the case of multiple Blockly
-  // instances on a page.  Browser behaviour becomes undefined otherwise.
-  // https://neil.fraser.name/news/2015/11/01/
-  var rnd = String(Math.random()).substring(2);
-
-  options.gridPattern = Blockly.Grid.createDom(rnd, options.gridOptions, defs);
-  return svg;
-};
-
-/**
- * Create a main workspace and add it to the SVG.
- * @param {!Element} svg SVG element with pattern defined.
- * @param {!Blockly.Options} options Dictionary of options.
- * @param {!Blockly.BlockDragSurfaceSvg} blockDragSurface Drag surface SVG
- *     for the blocks.
- * @param {!Blockly.WorkspaceDragSurfaceSvg} workspaceDragSurface Drag surface
- *     SVG for the workspace.
- * @return {!Blockly.WorkspaceSvg} Newly created main workspace.
- * @private
- */
-Blockly.createMainWorkspace_ = function(svg, options, blockDragSurface,
-    workspaceDragSurface) {
-  options.parentWorkspace = null;
-  var mainWorkspace =
-      new Blockly.WorkspaceSvg(options, blockDragSurface, workspaceDragSurface);
-  var wsOptions = mainWorkspace.options;
-  mainWorkspace.scale = wsOptions.zoomOptions.startScale;
-  svg.appendChild(mainWorkspace.createDom('blocklyMainBackground'));
-
-  // Set the theme name and renderer name onto the injection div.
-  Blockly.utils.dom.addClass(mainWorkspace.getInjectionDiv(),
-      mainWorkspace.getRenderer().getClassName());
-  Blockly.utils.dom.addClass(mainWorkspace.getInjectionDiv(),
-      mainWorkspace.getTheme().getClassName());
-
-  if (!wsOptions.hasCategories && wsOptions.languageTree) {
-    // Add flyout as an <svg> that is a sibling of the workspace svg.
-    var flyout = mainWorkspace.addFlyout(Blockly.utils.Svg.SVG);
-    Blockly.utils.dom.insertAfter(flyout, svg);
-  }
-  if (wsOptions.hasTrashcan) {
-    mainWorkspace.addTrashcan();
-  }
-  if (wsOptions.zoomOptions && wsOptions.zoomOptions.controls) {
-    mainWorkspace.addZoomControls();
-  }
-  // Register the workspace svg as a UI component.
-  mainWorkspace.getThemeManager().subscribe(svg, 'workspaceBackgroundColour',
-      'background-color');
-
-  // A null translation will also apply the correct initial scale.
-  mainWorkspace.translate(0, 0);
-
-  if (!wsOptions.readOnly && !mainWorkspace.isMovable()) {
-    // Helper function for the workspaceChanged callback.
-    // TODO (#2300): Move metrics math back to the WorkspaceSvg.
-    var getWorkspaceMetrics = function() {
-      var workspaceMetrics = Object.create(null);
-      var defaultMetrics = mainWorkspace.getMetrics();
-      var scale = mainWorkspace.scale;
-
-      workspaceMetrics.RTL = mainWorkspace.RTL;
-
-      // Get the view metrics in workspace units.
-      workspaceMetrics.viewLeft = defaultMetrics.viewLeft / scale;
-      workspaceMetrics.viewTop = defaultMetrics.viewTop / scale;
-      workspaceMetrics.viewRight =
-          (defaultMetrics.viewLeft + defaultMetrics.viewWidth) / scale;
-      workspaceMetrics.viewBottom =
-          (defaultMetrics.viewTop + defaultMetrics.viewHeight) / scale;
-
-      // Get the exact content metrics (in workspace units), even if the
-      // content is bounded.
-      if (mainWorkspace.isContentBounded()) {
-        // Already in workspace units, no need to divide by scale.
-        var blocksBoundingBox = mainWorkspace.getBlocksBoundingBox();
-        workspaceMetrics.contentLeft = blocksBoundingBox.left;
-        workspaceMetrics.contentTop = blocksBoundingBox.top;
-        workspaceMetrics.contentRight = blocksBoundingBox.right;
-        workspaceMetrics.contentBottom = blocksBoundingBox.bottom;
-      } else {
-        workspaceMetrics.contentLeft = defaultMetrics.contentLeft / scale;
-        workspaceMetrics.contentTop = defaultMetrics.contentTop / scale;
-        workspaceMetrics.contentRight =
-            (defaultMetrics.contentLeft + defaultMetrics.contentWidth) / scale;
-        workspaceMetrics.contentBottom =
-            (defaultMetrics.contentTop + defaultMetrics.contentHeight) / scale;
-      }
-
-      return workspaceMetrics;
-    };
-
-    var getObjectMetrics = function(object) {
-      var objectMetrics = object.getBoundingRectangle();
-      objectMetrics.height = objectMetrics.bottom - objectMetrics.top;
-      objectMetrics.width = objectMetrics.right - objectMetrics.left;
-      return objectMetrics;
-    };
-
-    var bumpObjects = function(e) {
-      // We always check isMovable_ again because the original
-      // "not movable" state of isMovable_ could have been changed.
-      if (!mainWorkspace.isDragging() && !mainWorkspace.isMovable() &&
-          (Blockly.Events.BUMP_EVENTS.indexOf(e.type) != -1)) {
-        var metrics = getWorkspaceMetrics();
-        if (metrics.contentTop < metrics.viewTop ||
-            metrics.contentBottom > metrics.viewBottom ||
-            metrics.contentLeft < metrics.viewLeft ||
-            metrics.contentRight > metrics.viewRight) {
-
-          // Handle undo.
-          var oldGroup = null;
-          if (e) {
-            oldGroup = Blockly.Events.getGroup();
-            Blockly.Events.setGroup(e.group);
-          }
-
-          switch (e.type) {
-            case Blockly.Events.BLOCK_CREATE:
-            case Blockly.Events.BLOCK_MOVE:
-              var object = mainWorkspace.getBlockById(e.blockId);
-              if (object) {
-                object = object.getRootBlock();
-              }
-              break;
-            case Blockly.Events.COMMENT_CREATE:
-            case Blockly.Events.COMMENT_MOVE:
-              var object = mainWorkspace.getCommentById(e.commentId);
-              break;
-          }
-          if (object) {
-            var objectMetrics = getObjectMetrics(object);
-
-            // The idea is to find the region of valid coordinates for the top
-            // left corner of the object, and then clamp the object's
-            // top left corner within that region.
-
-            // The top of the object should always be at or below the top of
-            // the workspace.
-            var topClamp = metrics.viewTop;
-            // The top of the object should ideally be positioned so that
-            // the bottom of the object is not below the bottom of the
-            // workspace.
-            var bottomClamp = metrics.viewBottom - objectMetrics.height;
-            // If the object is taller than the workspace we want to
-            // top-align the block, which means setting the bottom clamp to
-            // match.
-            bottomClamp = Math.max(topClamp, bottomClamp);
-
-            var newYPosition = Blockly.utils.math.clamp(
-                topClamp, objectMetrics.top, bottomClamp);
-            var deltaY = newYPosition - objectMetrics.top;
-
-            // Note: Even in RTL mode the "anchor" of the object is the
-            // top-left corner of the object.
-
-            // The left edge of the object should ideally be positioned at
-            // or to the right of the left edge of the workspace.
-            var leftClamp = metrics.viewLeft;
-            // The left edge of the object should ideally be positioned so
-            // that the right of the object is not outside the workspace bounds.
-            var rightClamp = metrics.viewRight - objectMetrics.width;
-            if (metrics.RTL) {
-              // If the object is wider than the workspace and we're in RTL
-              // mode we want to right-align the block, which means setting
-              // the left clamp to match.
-              leftClamp = Math.min(rightClamp, leftClamp);
-            } else {
-              // If the object is wider than the workspace and we're in LTR
-              // mode we want to left-align the block, which means setting
-              // the right clamp to match.
-              rightClamp = Math.max(leftClamp, rightClamp);
-            }
-
-            var newXPosition = Blockly.utils.math.clamp(
-                leftClamp, objectMetrics.left, rightClamp);
-            var deltaX = newXPosition - objectMetrics.left;
-
-            object.moveBy(deltaX, deltaY);
-          }
-          if (e) {
-            if (!e.group && object) {
-              console.warn('Moved object in bounds but there was no' +
-                  ' event group. This may break undo.');
-            }
-            if (oldGroup !== null) {
-              Blockly.Events.setGroup(oldGroup);
-            }
-          }
-        }
-      }
-    };
-    mainWorkspace.addChangeListener(bumpObjects);
-  }
-
-  // The SVG is now fully assembled.
-  Blockly.svgResize(mainWorkspace);
-  Blockly.WidgetDiv.createDom();
-  Blockly.DropDownDiv.createDom();
-  Blockly.Tooltip.createDom();
-  return mainWorkspace;
-};
-
-/**
- * Initialize Blockly with various handlers.
- * @param {!Blockly.WorkspaceSvg} mainWorkspace Newly created main workspace.
- * @private
- */
-Blockly.init_ = function(mainWorkspace) {
-  var options = mainWorkspace.options;
-  var svg = mainWorkspace.getParentSvg();
-
-  // Suppress the browser's context menu.
-  Blockly.bindEventWithChecks_(
-      /** @type {!Element} */ (svg.parentNode), 'contextmenu', null,
-      function(e) {
-        if (!Blockly.utils.isTargetInput(e)) {
-          e.preventDefault();
-        }
-      });
-
-  var workspaceResizeHandler = Blockly.bindEventWithChecks_(window, 'resize',
-      null,
-      function() {
-        Blockly.hideChaff(true);
-        Blockly.svgResize(mainWorkspace);
-      });
-  mainWorkspace.setResizeHandlerWrapper(workspaceResizeHandler);
-
-  Blockly.inject.bindDocumentEvents_();
-
-  if (options.languageTree) {
-    var toolbox = mainWorkspace.getToolbox();
-    var flyout = mainWorkspace.getFlyout(true);
-    if (toolbox) {
-      toolbox.init();
-    } else if (flyout) {
-      // Build a fixed flyout with the root blocks.
-      flyout.init(mainWorkspace);
-      flyout.show(options.languageTree);
-      if (typeof flyout.scrollToStart == 'function') {
-        flyout.scrollToStart();
-      }
-    }
-  }
-
-  var verticalSpacing = Blockly.Scrollbar.scrollbarThickness;
-  if (options.hasTrashcan) {
-    verticalSpacing = mainWorkspace.trashcan.init(verticalSpacing);
-  }
-  if (options.zoomOptions && options.zoomOptions.controls) {
-    mainWorkspace.zoomControls_.init(verticalSpacing);
-  }
-
-  if (options.moveOptions && options.moveOptions.scrollbars) {
-    mainWorkspace.scrollbar = new Blockly.ScrollbarPair(mainWorkspace);
-    mainWorkspace.scrollbar.resize();
-  } else {
-    mainWorkspace.setMetrics({x: 0.5, y: 0.5});
-  }
-
-  // Load the sounds.
-  if (options.hasSounds) {
-    Blockly.inject.loadSounds_(options.pathToMedia, mainWorkspace);
-  }
-};
-
-/**
- * Bind document events, but only once.  Destroying and reinjecting Blockly
- * should not bind again.
- * Bind events for scrolling the workspace.
- * Most of these events should be bound to the SVG's surface.
- * However, 'mouseup' has to be on the whole document so that a block dragged
- * out of bounds and released will know that it has been released.
- * Also, 'keydown' has to be on the whole document since the browser doesn't
- * understand a concept of focus on the SVG image.
- * @private
- */
-Blockly.inject.bindDocumentEvents_ = function() {
-  if (!Blockly.documentEventsBound_) {
-    Blockly.bindEventWithChecks_(document, 'scroll', null, function() {
-      var workspaces = Blockly.Workspace.getAll();
-      for (var i = 0, workspace; (workspace = workspaces[i]); i++) {
-        if (workspace.updateInverseScreenCTM) {
-          workspace.updateInverseScreenCTM();
-        }
-      }
-    });
-    Blockly.bindEventWithChecks_(document, 'keydown', null, Blockly.onKeyDown);
-    // longStop needs to run to stop the context menu from showing up.  It
-    // should run regardless of what other touch event handlers have run.
-    Blockly.bindEvent_(document, 'touchend', null, Blockly.longStop_);
-    Blockly.bindEvent_(document, 'touchcancel', null, Blockly.longStop_);
-    // Some iPad versions don't fire resize after portrait to landscape change.
-    if (Blockly.utils.userAgent.IPAD) {
-      Blockly.bindEventWithChecks_(window, 'orientationchange', document,
-          function() {
-            // TODO (#397): Fix for multiple Blockly workspaces.
-            Blockly.svgResize(/** @type {!Blockly.WorkspaceSvg} */
-                (Blockly.getMainWorkspace()));
-          });
-    }
-  }
-  Blockly.documentEventsBound_ = true;
-};
-
-/**
- * Load sounds for the given workspace.
- * @param {string} pathToMedia The path to the media directory.
- * @param {!Blockly.Workspace} workspace The workspace to load sounds for.
- * @private
- */
-Blockly.inject.loadSounds_ = function(pathToMedia, workspace) {
-  var audioMgr = workspace.getAudioManager();
-  audioMgr.load(
-      [
-        pathToMedia + 'click.mp3',
-        pathToMedia + 'click.wav',
-        pathToMedia + 'click.ogg'
-      ], 'click');
-  audioMgr.load(
-      [
-        pathToMedia + 'disconnect.wav',
-        pathToMedia + 'disconnect.mp3',
-        pathToMedia + 'disconnect.ogg'
-      ], 'disconnect');
-  audioMgr.load(
-      [
-        pathToMedia + 'delete.mp3',
-        pathToMedia + 'delete.ogg',
-        pathToMedia + 'delete.wav'
-      ], 'delete');
-
-  // Bind temporary hooks that preload the sounds.
-  var soundBinds = [];
-  var unbindSounds = function() {
-    while (soundBinds.length) {
-      Blockly.unbindEvent_(soundBinds.pop());
-    }
-    audioMgr.preload();
-  };
-
-  // These are bound on mouse/touch events with Blockly.bindEventWithChecks_, so
-  // they restrict the touch identifier that will be recognized.  But this is
-  // really something that happens on a click, not a drag, so that's not
-  // necessary.
-
-  // Android ignores any sound not loaded as a result of a user action.
-  soundBinds.push(
-      Blockly.bindEventWithChecks_(document, 'mousemove', null, unbindSounds,
-          true));
-  soundBinds.push(
-      Blockly.bindEventWithChecks_(document, 'touchstart', null, unbindSounds,
-          true));
-};
diff --git a/core/inject.ts b/core/inject.ts
new file mode 100644
index 00000000000..323191817ac
--- /dev/null
+++ b/core/inject.ts
@@ -0,0 +1,429 @@
+/**
+ * @license
+ * Copyright 2011 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.inject
+
+import type {BlocklyOptions} from './blockly_options.js';
+import * as browserEvents from './browser_events.js';
+import * as bumpObjects from './bump_objects.js';
+import * as common from './common.js';
+import * as Css from './css.js';
+import * as dropDownDiv from './dropdowndiv.js';
+import {Grid} from './grid.js';
+import {Msg} from './msg.js';
+import {Options} from './options.js';
+import {ScrollbarPair} from './scrollbar_pair.js';
+import {ShortcutRegistry} from './shortcut_registry.js';
+import * as Tooltip from './tooltip.js';
+import * as Touch from './touch.js';
+import * as aria from './utils/aria.js';
+import * as dom from './utils/dom.js';
+import {Svg} from './utils/svg.js';
+import * as userAgent from './utils/useragent.js';
+import * as WidgetDiv from './widgetdiv.js';
+import {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * Inject a Blockly editor into the specified container element (usually a div).
+ *
+ * @param container Containing element, or its ID, or a CSS selector.
+ * @param opt_options Optional dictionary of options.
+ * @returns Newly created main workspace.
+ */
+export function inject(
+  container: Element | string,
+  opt_options?: BlocklyOptions,
+): WorkspaceSvg {
+  let containerElement: Element | null = null;
+  if (typeof container === 'string') {
+    containerElement =
+      document.getElementById(container) || document.querySelector(container);
+  } else {
+    containerElement = container;
+  }
+  // Verify that the container is in document.
+  if (
+    !document.contains(containerElement) &&
+    document !== containerElement?.ownerDocument
+  ) {
+    throw Error('Error: container is not in current document');
+  }
+  const options = new Options(opt_options || ({} as BlocklyOptions));
+  const subContainer = document.createElement('div');
+  dom.addClass(subContainer, 'injectionDiv');
+  if (opt_options?.rtl) {
+    dom.addClass(subContainer, 'blocklyRTL');
+  }
+  subContainer.tabIndex = 0;
+  aria.setState(subContainer, aria.State.LABEL, Msg['WORKSPACE_ARIA_LABEL']);
+
+  containerElement!.appendChild(subContainer);
+  const svg = createDom(subContainer, options);
+
+  const workspace = createMainWorkspace(subContainer, svg, options);
+
+  init(workspace);
+
+  // Keep focus on the first workspace so entering keyboard navigation looks
+  // correct.
+  common.setMainWorkspace(workspace);
+
+  common.svgResize(workspace);
+
+  subContainer.addEventListener('focusin', function () {
+    common.setMainWorkspace(workspace);
+  });
+
+  return workspace;
+}
+
+/**
+ * Create the SVG image.
+ *
+ * @param container Containing element.
+ * @param options Dictionary of options.
+ * @returns Newly created SVG image.
+ */
+function createDom(container: Element, options: Options): SVGElement {
+  // Sadly browsers (Chrome vs Firefox) are currently inconsistent in laying
+  // out content in RTL mode.  Therefore Blockly forces the use of LTR,
+  // then manually positions content in RTL as needed.
+  container.setAttribute('dir', 'LTR');
+
+  // Load CSS.
+  Css.inject(options.hasCss, options.pathToMedia);
+
+  // Build the SVG DOM.
+  /*
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      xmlns:html="http://www.w3.org/1999/xhtml"
+      xmlns:xlink="http://www.w3.org/1999/xlink"
+      version="1.1"
+      class="blocklySvg">
+      ...
+    </svg>
+    */
+  const svg = dom.createSvgElement(
+    Svg.SVG,
+    {
+      'xmlns': dom.SVG_NS,
+      'xmlns:html': dom.HTML_NS,
+      'xmlns:xlink': dom.XLINK_NS,
+      'version': '1.1',
+      'class': 'blocklySvg',
+      'tabindex': '0',
+    },
+    container,
+  );
+  /*
+    <defs>
+      ... filters go here ...
+    </defs>
+    */
+  const defs = dom.createSvgElement(Svg.DEFS, {}, svg);
+  // Each filter/pattern needs a unique ID for the case of multiple Blockly
+  // instances on a page.  Browser behaviour becomes undefined otherwise.
+  // https://neil.fraser.name/news/2015/11/01/
+  const rnd = String(Math.random()).substring(2);
+
+  options.gridPattern = Grid.createDom(rnd, options.gridOptions, defs);
+  return svg;
+}
+
+/**
+ * Create a main workspace and add it to the SVG.
+ *
+ * @param svg SVG element with pattern defined.
+ * @param options Dictionary of options.
+ * @returns Newly created main workspace.
+ */
+function createMainWorkspace(
+  injectionDiv: Element,
+  svg: SVGElement,
+  options: Options,
+): WorkspaceSvg {
+  options.parentWorkspace = null;
+  const mainWorkspace = new WorkspaceSvg(options);
+  const wsOptions = mainWorkspace.options;
+  mainWorkspace.scale = wsOptions.zoomOptions.startScale;
+  svg.appendChild(
+    mainWorkspace.createDom('blocklyMainBackground', injectionDiv),
+  );
+
+  // Set the theme name and renderer name onto the injection div.
+  const rendererClassName = mainWorkspace.getRenderer().getClassName();
+  if (rendererClassName) {
+    dom.addClass(injectionDiv, rendererClassName);
+  }
+  const themeClassName = mainWorkspace.getTheme().getClassName();
+  if (themeClassName) {
+    dom.addClass(injectionDiv, themeClassName);
+  }
+
+  if (!wsOptions.hasCategories && wsOptions.languageTree) {
+    // Add flyout as an <svg> that is a sibling of the workspace SVG.
+    const flyout = mainWorkspace.addFlyout(Svg.SVG);
+    dom.insertAfter(flyout, svg);
+  }
+  if (wsOptions.hasTrashcan) {
+    mainWorkspace.addTrashcan();
+  }
+  if (wsOptions.zoomOptions && wsOptions.zoomOptions.controls) {
+    mainWorkspace.addZoomControls();
+  }
+  // Register the workspace svg as a UI component.
+  mainWorkspace
+    .getThemeManager()
+    .subscribe(svg, 'workspaceBackgroundColour', 'background-color');
+
+  // A null translation will also apply the correct initial scale.
+  mainWorkspace.translate(0, 0);
+
+  mainWorkspace.addChangeListener(
+    bumpObjects.bumpIntoBoundsHandler(mainWorkspace),
+  );
+
+  // The SVG is now fully assembled.
+  common.svgResize(mainWorkspace);
+  WidgetDiv.createDom();
+  dropDownDiv.createDom();
+  Tooltip.createDom();
+  return mainWorkspace;
+}
+
+/**
+ * Initialize Blockly with various handlers.
+ *
+ * @param mainWorkspace Newly created main workspace.
+ */
+function init(mainWorkspace: WorkspaceSvg) {
+  const options = mainWorkspace.options;
+  const svg = mainWorkspace.getParentSvg();
+
+  // Suppress the browser's context menu.
+  browserEvents.conditionalBind(
+    svg.parentNode as Element,
+    'contextmenu',
+    null,
+    function (e: Event) {
+      if (!browserEvents.isTargetInput(e)) {
+        e.preventDefault();
+      }
+    },
+  );
+
+  const workspaceResizeHandler = browserEvents.conditionalBind(
+    window,
+    'resize',
+    null,
+    function () {
+      // Don't hide all the chaff. Leave the dropdown and widget divs open if
+      // possible.
+      Tooltip.hide();
+      mainWorkspace.hideComponents(true);
+      dropDownDiv.repositionForWindowResize();
+      WidgetDiv.repositionForWindowResize();
+      common.svgResize(mainWorkspace);
+      bumpObjects.bumpTopObjectsIntoBounds(mainWorkspace);
+    },
+  );
+  mainWorkspace.setResizeHandlerWrapper(workspaceResizeHandler);
+
+  bindDocumentEvents();
+
+  if (options.languageTree) {
+    const toolbox = mainWorkspace.getToolbox();
+    const flyout = mainWorkspace.getFlyout(true);
+    if (toolbox) {
+      toolbox.init();
+    } else if (flyout) {
+      // Build a fixed flyout with the root blocks.
+      flyout.init(mainWorkspace);
+      flyout.show(options.languageTree);
+      if (typeof flyout.scrollToStart === 'function') {
+        flyout.scrollToStart();
+      }
+    }
+  }
+
+  if (options.hasTrashcan) {
+    mainWorkspace.trashcan!.init();
+  }
+  if (options.zoomOptions && options.zoomOptions.controls) {
+    mainWorkspace.zoomControls_!.init();
+  }
+
+  if (options.moveOptions && options.moveOptions.scrollbars) {
+    const horizontalScroll =
+      options.moveOptions.scrollbars === true ||
+      !!options.moveOptions.scrollbars.horizontal;
+    const verticalScroll =
+      options.moveOptions.scrollbars === true ||
+      !!options.moveOptions.scrollbars.vertical;
+    mainWorkspace.scrollbar = new ScrollbarPair(
+      mainWorkspace,
+      horizontalScroll,
+      verticalScroll,
+      'blocklyMainWorkspaceScrollbar',
+    );
+    mainWorkspace.scrollbar.resize();
+  } else {
+    mainWorkspace.setMetrics({x: 0.5, y: 0.5});
+  }
+
+  // Load the sounds.
+  if (options.hasSounds) {
+    loadSounds(options.pathToMedia, mainWorkspace);
+  }
+}
+
+/**
+ * Handle a key-down on SVG drawing surface. Does nothing if the main workspace
+ * is not visible.
+ *
+ * @param e Key down event.
+ */
+// TODO (https://github.com/google/blockly/issues/1998) handle cases where there
+// are multiple workspaces and non-main workspaces are able to accept input.
+function onKeyDown(e: KeyboardEvent) {
+  const mainWorkspace = common.getMainWorkspace() as WorkspaceSvg;
+  if (!mainWorkspace) {
+    return;
+  }
+
+  if (
+    browserEvents.isTargetInput(e) ||
+    (mainWorkspace.rendered && !mainWorkspace.isVisible())
+  ) {
+    // When focused on an HTML text input widget, don't trap any keys.
+    // Ignore keypresses on rendered workspaces that have been explicitly
+    // hidden.
+    return;
+  }
+  ShortcutRegistry.registry.onKeyDown(mainWorkspace, e);
+}
+
+/**
+ * Whether event handlers have been bound. Document event handlers will only
+ * be bound once, even if Blockly is destroyed and reinjected.
+ */
+let documentEventsBound = false;
+
+/**
+ * Bind document events, but only once.  Destroying and reinjecting Blockly
+ * should not bind again.
+ * Bind events for scrolling the workspace.
+ * Most of these events should be bound to the SVG's surface.
+ * However, 'mouseup' has to be on the whole document so that a block dragged
+ * out of bounds and released will know that it has been released.
+ * Also, 'keydown' has to be on the whole document since the browser doesn't
+ * understand a concept of focus on the SVG image.
+ */
+function bindDocumentEvents() {
+  if (!documentEventsBound) {
+    browserEvents.conditionalBind(document, 'scroll', null, function () {
+      const workspaces = common.getAllWorkspaces();
+      for (let i = 0, workspace; (workspace = workspaces[i]); i++) {
+        if (workspace instanceof WorkspaceSvg) {
+          workspace.updateInverseScreenCTM();
+        }
+      }
+    });
+    browserEvents.conditionalBind(document, 'keydown', null, onKeyDown);
+    // longStop needs to run to stop the context menu from showing up.  It
+    // should run regardless of what other touch event handlers have run.
+    browserEvents.bind(document, 'touchend', null, Touch.longStop);
+    browserEvents.bind(document, 'touchcancel', null, Touch.longStop);
+    // Some iPad versions don't fire resize after portrait to landscape change.
+    if (userAgent.IPAD) {
+      browserEvents.conditionalBind(
+        window,
+        'orientationchange',
+        document,
+        function () {
+          // TODO (#397): Fix for multiple Blockly workspaces.
+          common.svgResize(common.getMainWorkspace() as WorkspaceSvg);
+        },
+      );
+    }
+  }
+  documentEventsBound = true;
+}
+
+/**
+ * Load sounds for the given workspace.
+ *
+ * @param pathToMedia The path to the media directory.
+ * @param workspace The workspace to load sounds for.
+ */
+function loadSounds(pathToMedia: string, workspace: WorkspaceSvg) {
+  const audioMgr = workspace.getAudioManager();
+  audioMgr.load(
+    [
+      pathToMedia + 'click.mp3',
+      pathToMedia + 'click.wav',
+      pathToMedia + 'click.ogg',
+    ],
+    'click',
+  );
+  audioMgr.load(
+    [
+      pathToMedia + 'disconnect.wav',
+      pathToMedia + 'disconnect.mp3',
+      pathToMedia + 'disconnect.ogg',
+    ],
+    'disconnect',
+  );
+  audioMgr.load(
+    [
+      pathToMedia + 'delete.mp3',
+      pathToMedia + 'delete.ogg',
+      pathToMedia + 'delete.wav',
+    ],
+    'delete',
+  );
+
+  // Bind temporary hooks that preload the sounds.
+  const soundBinds: browserEvents.Data[] = [];
+  /**
+   *
+   */
+  function unbindSounds() {
+    while (soundBinds.length) {
+      const oldSoundBinding = soundBinds.pop();
+      if (oldSoundBinding) {
+        browserEvents.unbind(oldSoundBinding);
+      }
+    }
+    audioMgr.preload();
+  }
+
+  // These are bound on mouse/touch events with
+  // Blockly.browserEvents.conditionalBind, so they restrict the touch
+  // identifier that will be recognized.  But this is really something that
+  // happens on a click, not a drag, so that's not necessary.
+
+  // Android ignores any sound not loaded as a result of a user action.
+  soundBinds.push(
+    browserEvents.conditionalBind(
+      document,
+      'pointermove',
+      null,
+      unbindSounds,
+      true,
+    ),
+  );
+  soundBinds.push(
+    browserEvents.conditionalBind(
+      document,
+      'touchstart',
+      null,
+      unbindSounds,
+      true,
+    ),
+  );
+}
diff --git a/core/input.js b/core/input.js
deleted file mode 100644
index 40a454e3153..00000000000
--- a/core/input.js
+++ /dev/null
@@ -1,296 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object representing an input (value, statement, or dummy).
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Input');
-
-goog.require('Blockly.Connection');
-goog.require('Blockly.FieldLabel');
-
-
-/**
- * Class for an input with an optional field.
- * @param {number} type The type of the input.
- * @param {string} name Language-neutral identifier which may used to find this
- *     input again.
- * @param {!Blockly.Block} block The block containing this input.
- * @param {Blockly.Connection} connection Optional connection for this input.
- * @constructor
- */
-Blockly.Input = function(type, name, block, connection) {
-  if (type != Blockly.DUMMY_INPUT && !name) {
-    throw Error('Value inputs and statement inputs must have non-empty name.');
-  }
-  /** @type {number} */
-  this.type = type;
-  /** @type {string} */
-  this.name = name;
-  /**
-   * @type {!Blockly.Block}
-   * @private
-   */
-  this.sourceBlock_ = block;
-  /** @type {Blockly.Connection} */
-  this.connection = connection;
-  /** @type {!Array.<!Blockly.Field>} */
-  this.fieldRow = [];
-};
-
-/**
- * Alignment of input's fields (left, right or centre).
- * @type {number}
- */
-Blockly.Input.prototype.align = Blockly.ALIGN_LEFT;
-
-/**
- * Is the input visible?
- * @type {boolean}
- * @private
- */
-Blockly.Input.prototype.visible_ = true;
-
-/**
- * Get the source block for this input.
- * @return {Blockly.Block} The source block, or null if there is none.
- */
-Blockly.Input.prototype.getSourceBlock = function() {
-  return this.sourceBlock_;
-};
-
-/**
- * Add a field (or label from string), and all prefix and suffix fields, to the
- * end of the input's field row.
- * @param {string|!Blockly.Field} field Something to add as a field.
- * @param {string=} opt_name Language-neutral identifier which may used to find
- *     this field again.  Should be unique to the host block.
- * @return {!Blockly.Input} The input being append to (to allow chaining).
- */
-Blockly.Input.prototype.appendField = function(field, opt_name) {
-  this.insertFieldAt(this.fieldRow.length, field, opt_name);
-  return this;
-};
-
-/**
- * Inserts a field (or label from string), and all prefix and suffix fields, at
- * the location of the input's field row.
- * @param {number} index The index at which to insert field.
- * @param {string|!Blockly.Field} field Something to add as a field.
- * @param {string=} opt_name Language-neutral identifier which may used to find
- *     this field again.  Should be unique to the host block.
- * @return {number} The index following the last inserted field.
- */
-Blockly.Input.prototype.insertFieldAt = function(index, field, opt_name) {
-  if (index < 0 || index > this.fieldRow.length) {
-    throw Error('index ' + index + ' out of bounds.');
-  }
-  // Falsy field values don't generate a field, unless the field is an empty
-  // string and named.
-  if (!field && !(field == '' && opt_name)) {
-    return index;
-  }
-
-  // Generate a FieldLabel when given a plain text field.
-  if (typeof field == 'string') {
-    field = new Blockly.FieldLabel(/** @type {string} */ (field));
-  }
-
-  field.setSourceBlock(this.sourceBlock_);
-  if (this.sourceBlock_.rendered) {
-    field.init();
-    field.applyColour();
-  }
-  field.name = opt_name;
-  field.setVisible(this.isVisible());
-
-  var fieldDropdown = /** @type {Blockly.FieldDropdown} */ (field);
-  if (fieldDropdown.prefixField) {
-    // Add any prefix.
-    index = this.insertFieldAt(index, fieldDropdown.prefixField);
-  }
-  // Add the field to the field row.
-  this.fieldRow.splice(index, 0, field);
-  ++index;
-  if (fieldDropdown.suffixField) {
-    // Add any suffix.
-    index = this.insertFieldAt(index, fieldDropdown.suffixField);
-  }
-
-  if (this.sourceBlock_.rendered) {
-    this.sourceBlock_ = /** @type {!Blockly.BlockSvg} */ (this.sourceBlock_);
-    this.sourceBlock_.render();
-    // Adding a field will cause the block to change shape.
-    this.sourceBlock_.bumpNeighbours();
-  }
-  return index;
-};
-
-/**
- * Remove a field from this input.
- * @param {string} name The name of the field.
- * @param {boolean=} opt_quiet True to prevent an error if field is not present.
- * @return {boolean} True if operation succeeds, false if field is not present
- *     and opt_quiet is true.
- * @throws {Error} if the field is not present and opt_quiet is false.
- */
-Blockly.Input.prototype.removeField = function(name, opt_quiet) {
-  for (var i = 0, field; (field = this.fieldRow[i]); i++) {
-    if (field.name === name) {
-      field.dispose();
-      this.fieldRow.splice(i, 1);
-      if (this.sourceBlock_.rendered) {
-        this.sourceBlock_ = /** @type {!Blockly.BlockSvg} */ (this.sourceBlock_);
-        this.sourceBlock_.render();
-        // Removing a field will cause the block to change shape.
-        this.sourceBlock_.bumpNeighbours();
-      }
-      return true;
-    }
-  }
-  if (opt_quiet) {
-    return false;
-  } else {
-    throw Error('Field "' + name + '" not found.');
-  }
-};
-
-/**
- * Gets whether this input is visible or not.
- * @return {boolean} True if visible.
- */
-Blockly.Input.prototype.isVisible = function() {
-  return this.visible_;
-};
-
-/**
- * Sets whether this input is visible or not.
- * Should only be used to collapse/uncollapse a block.
- * @param {boolean} visible True if visible.
- * @return {!Array.<!Blockly.BlockSvg>} List of blocks to render.
- * @package
- */
-Blockly.Input.prototype.setVisible = function(visible) {
-  // Note: Currently there are only unit tests for block.setCollapsed()
-  // because this function is package. If this function goes back to being a
-  // public API tests (lots of tests) should be added.
-  var renderList = [];
-  if (this.visible_ == visible) {
-    return renderList;
-  }
-  this.visible_ = visible;
-
-  for (var y = 0, field; (field = this.fieldRow[y]); y++) {
-    field.setVisible(visible);
-  }
-  if (this.connection) {
-    this.connection =
-      /** @type {!Blockly.RenderedConnection} */ (this.connection);
-    // Has a connection.
-    if (visible) {
-      renderList = this.connection.startTrackingAll();
-    } else {
-      this.connection.stopTrackingAll();
-    }
-    var child = this.connection.targetBlock();
-    if (child) {
-      child.getSvgRoot().style.display = visible ? 'block' : 'none';
-    }
-  }
-  return renderList;
-};
-
-/**
- * Mark all fields on this input as dirty.
- * @package
- */
-Blockly.Input.prototype.markDirty = function() {
-  for (var y = 0, field; (field = this.fieldRow[y]); y++) {
-    field.markDirty();
-  }
-};
-
-/**
- * Change a connection's compatibility.
- * @param {string|Array.<string>|null} check Compatible value type or
- *     list of value types.  Null if all types are compatible.
- * @return {!Blockly.Input} The input being modified (to allow chaining).
- */
-Blockly.Input.prototype.setCheck = function(check) {
-  if (!this.connection) {
-    throw Error('This input does not have a connection.');
-  }
-  this.connection.setCheck(check);
-  return this;
-};
-
-/**
- * Change the alignment of the connection's field(s).
- * @param {number} align One of Blockly.ALIGN_LEFT, ALIGN_CENTRE, ALIGN_RIGHT.
- *   In RTL mode directions are reversed, and ALIGN_RIGHT aligns to the left.
- * @return {!Blockly.Input} The input being modified (to allow chaining).
- */
-Blockly.Input.prototype.setAlign = function(align) {
-  this.align = align;
-  if (this.sourceBlock_.rendered) {
-    this.sourceBlock_ = /** @type {!Blockly.BlockSvg} */ (this.sourceBlock_);
-    this.sourceBlock_.render();
-  }
-  return this;
-};
-
-/**
- * Changes the connection's shadow block.
- * @param {Element} shadow DOM representation of a block or null.
- * @return {Blockly.Input} The input being modified (to allow chaining).
- */
-Blockly.Input.prototype.setShadowDom = function(shadow) {
-  if (!this.connection) {
-    throw Error('This input does not have a connection.');
-  }
-  this.connection.setShadowDom(shadow);
-  return this;
-};
-
-/**
- * Returns the xml representation of the connection's shadow block.
- * @return {Element} Shadow DOM representation of a block or null.
- */
-Blockly.Input.prototype.getShadowDom = function() {
-  if (!this.connection) {
-    throw Error('This input does not have a connection.');
-  }
-  return this.connection.getShadowDom();
-};
-
-/**
- * Initialize the fields on this input.
- */
-Blockly.Input.prototype.init = function() {
-  if (!this.sourceBlock_.workspace.rendered) {
-    return;  // Headless blocks don't need fields initialized.
-  }
-  for (var i = 0; i < this.fieldRow.length; i++) {
-    this.fieldRow[i].init();
-  }
-};
-
-/**
- * Sever all links to this input.
- * @suppress {checkTypes}
- */
-Blockly.Input.prototype.dispose = function() {
-  for (var i = 0, field; (field = this.fieldRow[i]); i++) {
-    field.dispose();
-  }
-  if (this.connection) {
-    this.connection.dispose();
-  }
-  this.sourceBlock_ = null;
-};
diff --git a/core/inputs.ts b/core/inputs.ts
new file mode 100644
index 00000000000..4b7bfa89750
--- /dev/null
+++ b/core/inputs.ts
@@ -0,0 +1,23 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {Align} from './inputs/align.js';
+import {Input} from './inputs/input.js';
+import {DummyInput} from './inputs/dummy_input.js';
+import {EndRowInput} from './inputs/end_row_input.js';
+import {StatementInput} from './inputs/statement_input.js';
+import {ValueInput} from './inputs/value_input.js';
+import {inputTypes} from './inputs/input_types.js';
+
+export {
+  Align,
+  Input,
+  DummyInput,
+  EndRowInput,
+  StatementInput,
+  ValueInput,
+  inputTypes,
+};
diff --git a/core/inputs/align.ts b/core/inputs/align.ts
new file mode 100644
index 00000000000..b62846f5d84
--- /dev/null
+++ b/core/inputs/align.ts
@@ -0,0 +1,14 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Enum for alignment of inputs.
+ */
+export enum Align {
+  LEFT = -1,
+  CENTRE = 0,
+  RIGHT = 1,
+}
diff --git a/core/inputs/dummy_input.ts b/core/inputs/dummy_input.ts
new file mode 100644
index 00000000000..afb4b375b5f
--- /dev/null
+++ b/core/inputs/dummy_input.ts
@@ -0,0 +1,26 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {Block} from '../block.js';
+import {Input} from './input.js';
+import {inputTypes} from './input_types.js';
+
+/** Represents an input on a block with no connection. */
+export class DummyInput extends Input {
+  readonly type = inputTypes.DUMMY;
+
+  /**
+   * @param name Language-neutral identifier which may used to find this input
+   *     again.
+   * @param block The block containing this input.
+   */
+  constructor(
+    public name: string,
+    block: Block,
+  ) {
+    super(name, block);
+  }
+}
diff --git a/core/inputs/end_row_input.ts b/core/inputs/end_row_input.ts
new file mode 100644
index 00000000000..58227a09457
--- /dev/null
+++ b/core/inputs/end_row_input.ts
@@ -0,0 +1,31 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {Block} from '../block.js';
+import {Input} from './input.js';
+import {inputTypes} from './input_types.js';
+
+/**
+ * Represents an input on a block that is always the last input in the row. Any
+ * following input will be rendered on the next row even if the block has inline
+ * inputs. Any newline character in a JSON block definition's message will
+ * automatically be parsed as an end-row input.
+ */
+export class EndRowInput extends Input {
+  readonly type = inputTypes.END_ROW;
+
+  /**
+   * @param name Language-neutral identifier which may used to find this input
+   *     again.
+   * @param block The block containing this input.
+   */
+  constructor(
+    public name: string,
+    block: Block,
+  ) {
+    super(name, block);
+  }
+}
diff --git a/core/inputs/input.ts b/core/inputs/input.ts
new file mode 100644
index 00000000000..da7cccad588
--- /dev/null
+++ b/core/inputs/input.ts
@@ -0,0 +1,318 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Object representing an input (value, statement, or dummy).
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Input
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import '../field_label.js';
+
+import type {Block} from '../block.js';
+import type {BlockSvg} from '../block_svg.js';
+import type {Connection} from '../connection.js';
+import type {ConnectionType} from '../connection_type.js';
+import type {Field} from '../field.js';
+import * as fieldRegistry from '../field_registry.js';
+import type {RenderedConnection} from '../rendered_connection.js';
+import {inputTypes} from './input_types.js';
+import {Align} from './align.js';
+
+/** Class for an input with optional fields. */
+export class Input {
+  fieldRow: Field[] = [];
+  /** Alignment of input's fields (left, right or centre). */
+  align = Align.LEFT;
+
+  /** Is the input visible? */
+  private visible = true;
+
+  public readonly type: inputTypes = inputTypes.CUSTOM;
+
+  public connection: Connection | null = null;
+
+  /**
+   * @param name Language-neutral identifier which may used to find this input
+   *     again.
+   * @param sourceBlock The block containing this input.
+   */
+  constructor(
+    public name: string,
+    private sourceBlock: Block,
+  ) {}
+
+  /**
+   * Get the source block for this input.
+   *
+   * @returns The block this input is part of.
+   */
+  getSourceBlock(): Block {
+    return this.sourceBlock;
+  }
+
+  /**
+   * Add a field (or label from string), and all prefix and suffix fields, to
+   * the end of the input's field row.
+   *
+   * @param field Something to add as a field.
+   * @param opt_name Language-neutral identifier which may used to find this
+   *     field again.  Should be unique to the host block.
+   * @returns The input being append to (to allow chaining).
+   */
+  appendField<T>(field: string | Field<T>, opt_name?: string): Input {
+    this.insertFieldAt(this.fieldRow.length, field, opt_name);
+    return this;
+  }
+
+  /**
+   * Inserts a field (or label from string), and all prefix and suffix fields,
+   * at the location of the input's field row.
+   *
+   * @param index The index at which to insert field.
+   * @param field Something to add as a field.
+   * @param opt_name Language-neutral identifier which may used to find this
+   *     field again.  Should be unique to the host block.
+   * @returns The index following the last inserted field.
+   */
+  insertFieldAt<T>(
+    index: number,
+    field: string | Field<T>,
+    opt_name?: string,
+  ): number {
+    if (index < 0 || index > this.fieldRow.length) {
+      throw Error('index ' + index + ' out of bounds.');
+    }
+    // Falsy field values don't generate a field, unless the field is an empty
+    // string and named.
+    if (!field && !(field === '' && opt_name)) {
+      return index;
+    }
+
+    // Generate a FieldLabel when given a plain text field.
+    if (typeof field === 'string') {
+      field = fieldRegistry.fromJson({
+        type: 'field_label',
+        text: field,
+      })!;
+    }
+
+    field.setSourceBlock(this.sourceBlock);
+    if (this.sourceBlock.initialized) this.initField(field);
+    field.name = opt_name;
+    field.setVisible(this.isVisible());
+
+    if (field.prefixField) {
+      // Add any prefix.
+      index = this.insertFieldAt(index, field.prefixField);
+    }
+    // Add the field to the field row.
+    this.fieldRow.splice(index, 0, field as Field);
+    index++;
+    if (field.suffixField) {
+      // Add any suffix.
+      index = this.insertFieldAt(index, field.suffixField);
+    }
+
+    if (this.sourceBlock.rendered) {
+      (this.sourceBlock as BlockSvg).queueRender();
+    }
+    return index;
+  }
+
+  /**
+   * Remove a field from this input.
+   *
+   * @param name The name of the field.
+   * @param opt_quiet True to prevent an error if field is not present.
+   * @returns True if operation succeeds, false if field is not present and
+   *     opt_quiet is true.
+   * @throws {Error} if the field is not present and opt_quiet is false.
+   */
+  removeField(name: string, opt_quiet?: boolean): boolean {
+    for (let i = 0, field; (field = this.fieldRow[i]); i++) {
+      if (field.name === name) {
+        field.dispose();
+        this.fieldRow.splice(i, 1);
+        if (this.sourceBlock.rendered) {
+          (this.sourceBlock as BlockSvg).queueRender();
+        }
+        return true;
+      }
+    }
+    if (opt_quiet) {
+      return false;
+    }
+    throw Error('Field "' + name + '" not found.');
+  }
+
+  /**
+   * Gets whether this input is visible or not.
+   *
+   * @returns True if visible.
+   */
+  isVisible(): boolean {
+    return this.visible;
+  }
+
+  /**
+   * Sets whether this input is visible or not.
+   * Should only be used to collapse/uncollapse a block.
+   *
+   * @param visible True if visible.
+   * @returns List of blocks to render.
+   * @internal
+   */
+  setVisible(visible: boolean): BlockSvg[] {
+    // Note: Currently there are only unit tests for block.setCollapsed()
+    // because this function is package. If this function goes back to being a
+    // public API tests (lots of tests) should be added.
+    let renderList: AnyDuringMigration[] = [];
+    if (this.visible === visible) {
+      return renderList;
+    }
+    this.visible = visible;
+
+    for (let y = 0, field; (field = this.fieldRow[y]); y++) {
+      field.setVisible(visible);
+    }
+    if (this.connection) {
+      const renderedConnection = this.connection as RenderedConnection;
+      // Has a connection.
+      if (visible) {
+        renderList = renderedConnection.startTrackingAll();
+      } else {
+        renderedConnection.stopTrackingAll();
+      }
+      const child = renderedConnection.targetBlock();
+      if (child) {
+        child.getSvgRoot().style.display = visible ? 'block' : 'none';
+      }
+    }
+    return renderList;
+  }
+
+  /**
+   * Mark all fields on this input as dirty.
+   *
+   * @internal
+   */
+  markDirty() {
+    for (let y = 0, field; (field = this.fieldRow[y]); y++) {
+      field.markDirty();
+    }
+  }
+
+  /**
+   * Change a connection's compatibility.
+   *
+   * @param check Compatible value type or list of value types.  Null if all
+   *     types are compatible.
+   * @returns The input being modified (to allow chaining).
+   */
+  setCheck(check: string | string[] | null): Input {
+    if (!this.connection) {
+      throw Error('This input does not have a connection.');
+    }
+    this.connection.setCheck(check);
+    return this;
+  }
+
+  /**
+   * Change the alignment of the connection's field(s).
+   *
+   * @param align One of the values of Align.  In RTL mode directions
+   *     are reversed, and Align.RIGHT aligns to the left.
+   * @returns The input being modified (to allow chaining).
+   */
+  setAlign(align: Align): Input {
+    this.align = align;
+    if (this.sourceBlock.rendered) {
+      const sourceBlock = this.sourceBlock as BlockSvg;
+      sourceBlock.queueRender();
+    }
+    return this;
+  }
+
+  /**
+   * Changes the connection's shadow block.
+   *
+   * @param shadow DOM representation of a block or null.
+   * @returns The input being modified (to allow chaining).
+   */
+  setShadowDom(shadow: Element | null): Input {
+    if (!this.connection) {
+      throw Error('This input does not have a connection.');
+    }
+    this.connection.setShadowDom(shadow);
+    return this;
+  }
+
+  /**
+   * Returns the XML representation of the connection's shadow block.
+   *
+   * @returns Shadow DOM representation of a block or null.
+   */
+  getShadowDom(): Element | null {
+    if (!this.connection) {
+      throw Error('This input does not have a connection.');
+    }
+    return this.connection.getShadowDom();
+  }
+
+  /** Initialize the fields on this input. */
+  init() {
+    for (const field of this.fieldRow) {
+      field.init();
+    }
+  }
+
+  /**
+   * Initializes the fields on this input for a headless block.
+   *
+   * @internal
+   */
+  public initModel() {
+    for (const field of this.fieldRow) {
+      field.initModel();
+    }
+  }
+
+  /** Initializes the given field. */
+  private initField(field: Field) {
+    if (this.sourceBlock.rendered) {
+      field.init();
+    } else {
+      field.initModel();
+    }
+  }
+
+  /**
+   * Sever all links to this input.
+   */
+  dispose() {
+    for (let i = 0, field; (field = this.fieldRow[i]); i++) {
+      field.dispose();
+    }
+    if (this.connection) {
+      this.connection.dispose();
+    }
+  }
+
+  /**
+   * Constructs a connection based on the type of this input's source block.
+   * Properly handles constructing headless connections for headless blocks
+   * and rendered connections for rendered blocks.
+   *
+   * @returns a connection of the given type, which is either a headless
+   *     or rendered connection, based on the type of this input's source block.
+   */
+  protected makeConnection(type: ConnectionType): Connection {
+    return this.sourceBlock.makeConnection_(type);
+  }
+}
diff --git a/core/inputs/input_types.ts b/core/inputs/input_types.ts
new file mode 100644
index 00000000000..cdae653dee1
--- /dev/null
+++ b/core/inputs/input_types.ts
@@ -0,0 +1,27 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.inputTypes
+
+import {ConnectionType} from '../connection_type.js';
+
+/**
+ * Enum for the type of a connection or input.
+ */
+export enum inputTypes {
+  // A right-facing value input.  E.g. 'set item to' or 'return'.
+  VALUE = ConnectionType.INPUT_VALUE,
+  // A down-facing block stack.  E.g. 'if-do' or 'else'.
+  STATEMENT = ConnectionType.NEXT_STATEMENT,
+  // A dummy input.  Used to add field(s) with no input.
+  DUMMY = 5,
+  // An unknown type of input defined by an external developer.
+  CUSTOM = 6,
+  // An input with no connections that is always the last input of a row. Any
+  // subsequent input will be rendered on the next row. Any newline character in
+  // a JSON block definition's message will be parsed as an end-row input.
+  END_ROW = 7,
+}
diff --git a/core/inputs/statement_input.ts b/core/inputs/statement_input.ts
new file mode 100644
index 00000000000..cf97de2343c
--- /dev/null
+++ b/core/inputs/statement_input.ts
@@ -0,0 +1,34 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {Block} from '../block.js';
+import type {Connection} from '../connection.js';
+import {ConnectionType} from '../connection_type.js';
+import {Input} from './input.js';
+import {inputTypes} from './input_types.js';
+
+/** Represents an input on a block with a statement connection. */
+export class StatementInput extends Input {
+  readonly type = inputTypes.STATEMENT;
+
+  public connection: Connection;
+
+  /**
+   * @param name Language-neutral identifier which may used to find this input
+   *     again.
+   * @param block The block containing this input.
+   */
+  constructor(
+    public name: string,
+    block: Block,
+  ) {
+    // Errors are maintained for people not using typescript.
+    if (!name) throw new Error('Statement inputs must have a non-empty name');
+
+    super(name, block);
+    this.connection = this.makeConnection(ConnectionType.NEXT_STATEMENT);
+  }
+}
diff --git a/core/inputs/value_input.ts b/core/inputs/value_input.ts
new file mode 100644
index 00000000000..e8049b471f4
--- /dev/null
+++ b/core/inputs/value_input.ts
@@ -0,0 +1,30 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {Block} from '../block.js';
+import {ConnectionType} from '../connection_type.js';
+import {Input} from './input.js';
+import {inputTypes} from './input_types.js';
+
+/** Represents an input on a block with a value connection. */
+export class ValueInput extends Input {
+  readonly type = inputTypes.VALUE;
+
+  /**
+   * @param name Language-neutral identifier which may used to find this input
+   *     again.
+   * @param block The block containing this input.
+   */
+  constructor(
+    public name: string,
+    block: Block,
+  ) {
+    // Errors are maintained for people not using typescript.
+    if (!name) throw new Error('Value inputs must have a non-empty name');
+    super(name, block);
+    this.connection = this.makeConnection(ConnectionType.INPUT_VALUE);
+  }
+}
diff --git a/core/insertion_marker_manager.js b/core/insertion_marker_manager.js
deleted file mode 100644
index bf7c8ae3e92..00000000000
--- a/core/insertion_marker_manager.js
+++ /dev/null
@@ -1,700 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Class that controls updates to connections during drags.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.InsertionMarkerManager');
-
-goog.require('Blockly.blockAnimations');
-goog.require('Blockly.Events');
-
-
-/**
- * Class that controls updates to connections during drags.  It is primarily
- * responsible for finding the closest eligible connection and highlighting or
- * unhiglighting it as needed during a drag.
- * @param {!Blockly.BlockSvg} block The top block in the stack being dragged.
- * @constructor
- */
-Blockly.InsertionMarkerManager = function(block) {
-  Blockly.selected = block;
-
-  /**
-   * The top block in the stack being dragged.
-   * Does not change during a drag.
-   * @type {!Blockly.BlockSvg}
-   * @private
-   */
-  this.topBlock_ = block;
-
-  /**
-   * The workspace on which these connections are being dragged.
-   * Does not change during a drag.
-   * @type {!Blockly.WorkspaceSvg}
-   * @private
-   */
-  this.workspace_ = block.workspace;
-
-  /**
-   * The last connection on the stack, if it's not the last connection on the
-   * first block.
-   * Set in initAvailableConnections, if at all.
-   * @type {Blockly.RenderedConnection}
-   * @private
-   */
-  this.lastOnStack_ = null;
-
-  /**
-   * The insertion marker corresponding to the last block in the stack, if
-   * that's not the same as the first block in the stack.
-   * Set in initAvailableConnections, if at all
-   * @type {Blockly.BlockSvg}
-   * @private
-   */
-  this.lastMarker_ = null;
-
-  /**
-   * The insertion marker that shows up between blocks to show where a block
-   * would go if dropped immediately.
-   * @type {Blockly.BlockSvg}
-   * @private
-   */
-  this.firstMarker_ = this.createMarkerBlock_(this.topBlock_);
-
-  /**
-   * The connection that this block would connect to if released immediately.
-   * Updated on every mouse move.
-   * This is not on any of the blocks that are being dragged.
-   * @type {Blockly.RenderedConnection}
-   * @private
-   */
-  this.closestConnection_ = null;
-
-  /**
-   * The connection that would connect to this.closestConnection_ if this block
-   * were released immediately.
-   * Updated on every mouse move.
-   * This is on the top block that is being dragged or the last block in the
-   * dragging stack.
-   * @type {Blockly.RenderedConnection}
-   * @private
-   */
-  this.localConnection_ = null;
-
-  /**
-   * Whether the block would be deleted if it were dropped immediately.
-   * Updated on every mouse move.
-   * @type {boolean}
-   * @private
-   */
-  this.wouldDeleteBlock_ = false;
-
-  /**
-   * Connection on the insertion marker block that corresponds to
-   * this.localConnection_ on the currently dragged block.
-   * @type {Blockly.RenderedConnection}
-   * @private
-   */
-  this.markerConnection_ = null;
-
-  /**
-   * The block that currently has an input being highlighted, or null.
-   * @type {Blockly.BlockSvg}
-   * @private
-   */
-  this.highlightedBlock_ = null;
-
-  /**
-   * The block being faded to indicate replacement, or null.
-   * @type {Blockly.BlockSvg}
-   * @private
-   */
-  this.fadedBlock_ = null;
-
-  /**
-   * The connections on the dragging blocks that are available to connect to
-   * other blocks.  This includes all open connections on the top block, as well
-   * as the last connection on the block stack.
-   * Does not change during a drag.
-   * @type {!Array.<!Blockly.RenderedConnection>}
-   * @private
-   */
-  this.availableConnections_ = this.initAvailableConnections_();
-};
-
-/**
- * An enum describing different kinds of previews the InsertionMarkerManager
- * could display.
- * @enum {number}
- */
-Blockly.InsertionMarkerManager.PREVIEW_TYPE = {
-  INSERTION_MARKER: 0,
-  INPUT_OUTLINE: 1,
-  REPLACEMENT_FADE: 2,
-};
-
-/**
- * Sever all links from this object.
- * @package
- */
-Blockly.InsertionMarkerManager.prototype.dispose = function() {
-  this.availableConnections_.length = 0;
-
-  Blockly.Events.disable();
-  try {
-    if (this.firstMarker_) {
-      this.firstMarker_.dispose();
-    }
-    if (this.lastMarker_) {
-      this.lastMarker_.dispose();
-    }
-  } finally {
-    Blockly.Events.enable();
-  }
-};
-
-/**
- * Update the available connections for the top block. These connections can
- * change if a block is unplugged and the stack is healed.
- * @package
- */
-Blockly.InsertionMarkerManager.prototype.updateAvailableConnections = function() {
-  this.availableConnections_ = this.initAvailableConnections_();
-};
-
-/**
- * Return whether the block would be deleted if dropped immediately, based on
- * information from the most recent move event.
- * @return {boolean} True if the block would be deleted if dropped immediately.
- * @package
- */
-Blockly.InsertionMarkerManager.prototype.wouldDeleteBlock = function() {
-  return this.wouldDeleteBlock_;
-};
-
-/**
- * Return whether the block would be connected if dropped immediately, based on
- * information from the most recent move event.
- * @return {boolean} True if the block would be connected if dropped
- *   immediately.
- * @package
- */
-Blockly.InsertionMarkerManager.prototype.wouldConnectBlock = function() {
-  return !!this.closestConnection_;
-};
-
-/**
- * Connect to the closest connection and render the results.
- * This should be called at the end of a drag.
- * @package
- */
-Blockly.InsertionMarkerManager.prototype.applyConnections = function() {
-  if (this.closestConnection_) {
-    // Don't fire events for insertion markers.
-    Blockly.Events.disable();
-    this.hidePreview_();
-    Blockly.Events.enable();
-    // Connect two blocks together.
-    this.localConnection_.connect(this.closestConnection_);
-    if (this.topBlock_.rendered) {
-      // Trigger a connection animation.
-      // Determine which connection is inferior (lower in the source stack).
-      var inferiorConnection = this.localConnection_.isSuperior() ?
-          this.closestConnection_ : this.localConnection_;
-      Blockly.blockAnimations.connectionUiEffect(
-          inferiorConnection.getSourceBlock());
-      // Bring the just-edited stack to the front.
-      var rootBlock = this.topBlock_.getRootBlock();
-      rootBlock.bringToFront();
-    }
-  }
-};
-
-/**
- * Update connections based on the most recent move location.
- * @param {!Blockly.utils.Coordinate} dxy Position relative to drag start,
- *     in workspace units.
- * @param {?number} deleteArea One of {@link Blockly.DELETE_AREA_TRASH},
- *     {@link Blockly.DELETE_AREA_TOOLBOX}, or {@link Blockly.DELETE_AREA_NONE}.
- * @package
- */
-Blockly.InsertionMarkerManager.prototype.update = function(dxy, deleteArea) {
-  var candidate = this.getCandidate_(dxy);
-
-  this.wouldDeleteBlock_ = this.shouldDelete_(candidate, deleteArea);
-  var shouldUpdate = this.wouldDeleteBlock_ ||
-      this.shouldUpdatePreviews_(candidate, dxy);
-
-  if (shouldUpdate) {
-    // Don't fire events for insertion marker creation or movement.
-    Blockly.Events.disable();
-    this.maybeHidePreview_(candidate);
-    this.maybeShowPreview_(candidate);
-    Blockly.Events.enable();
-  }
-};
-
-/**
- * Create an insertion marker that represents the given block.
- * @param {!Blockly.BlockSvg} sourceBlock The block that the insertion marker
- *     will represent.
- * @return {!Blockly.BlockSvg} The insertion marker that represents the given
- *     block.
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.createMarkerBlock_ = function(sourceBlock) {
-  var imType = sourceBlock.type;
-
-  Blockly.Events.disable();
-  try {
-    var result = this.workspace_.newBlock(imType);
-    result.setInsertionMarker(true);
-    if (sourceBlock.mutationToDom) {
-      var oldMutationDom = sourceBlock.mutationToDom();
-      if (oldMutationDom) {
-        result.domToMutation(oldMutationDom);
-      }
-    }
-    // Copy field values from the other block.  These values may impact the
-    // rendered size of the insertion marker.  Note that we do not care about
-    // child blocks here.
-    for (var i = 0; i < sourceBlock.inputList.length; i++) {
-      var sourceInput = sourceBlock.inputList[i];
-      if (sourceInput.name == Blockly.Block.COLLAPSED_INPUT_NAME) {
-        continue;  // Ignore the collapsed input.
-      }
-      var resultInput = result.inputList[i];
-      for (var j = 0; j < sourceInput.fieldRow.length; j++) {
-        var sourceField = sourceInput.fieldRow[j];
-        var resultField = resultInput.fieldRow[j];
-        resultField.setValue(sourceField.getValue());
-      }
-    }
-
-    result.setCollapsed(sourceBlock.isCollapsed());
-    result.setInputsInline(sourceBlock.getInputsInline());
-
-    result.initSvg();
-    result.getSvgRoot().setAttribute('visibility', 'hidden');
-  } finally {
-    Blockly.Events.enable();
-  }
-
-  return result;
-};
-
-/**
- * Populate the list of available connections on this block stack.  This should
- * only be called once, at the beginning of a drag.
- * If the stack has more than one block, this function will populate
- * lastOnStack_ and create the corresponding insertion marker.
- * @return {!Array.<!Blockly.RenderedConnection>} A list of available
- *     connections.
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.initAvailableConnections_ = function() {
-  var available = this.topBlock_.getConnections_(false);
-  // Also check the last connection on this stack
-  var lastOnStack = this.topBlock_.lastConnectionInStack();
-  if (lastOnStack && lastOnStack != this.topBlock_.nextConnection) {
-    available.push(lastOnStack);
-    this.lastOnStack_ = lastOnStack;
-    if (this.lastMarker_) {
-      Blockly.Events.disable();
-      try {
-        this.lastMarker_.dispose();
-      } finally {
-        Blockly.Events.enable();
-      }
-    }
-    this.lastMarker_ = this.createMarkerBlock_(lastOnStack.getSourceBlock());
-  }
-  return available;
-};
-
-/**
- * Whether the previews (insertion marker and replacement marker) should be
- * updated based on the closest candidate and the current drag distance.
- * @param {!Object} candidate An object containing a local connection, a closest
- *     connection, and a radius.  Returned by getCandidate_.
- * @param {!Blockly.utils.Coordinate} dxy Position relative to drag start,
- *     in workspace units.
- * @return {boolean} Whether the preview should be updated.
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.shouldUpdatePreviews_ = function(
-    candidate, dxy) {
-  var candidateLocal = candidate.local;
-  var candidateClosest = candidate.closest;
-  var radius = candidate.radius;
-
-  // Found a connection!
-  if (candidateLocal && candidateClosest) {
-    // We're already showing an insertion marker.
-    // Decide whether the new connection has higher priority.
-    if (this.localConnection_ && this.closestConnection_) {
-      // The connection was the same as the current connection.
-      if (this.closestConnection_ == candidateClosest &&
-          this.localConnection_ == candidateLocal) {
-        return false;
-      }
-      var xDiff = this.localConnection_.x + dxy.x - this.closestConnection_.x;
-      var yDiff = this.localConnection_.y + dxy.y - this.closestConnection_.y;
-      var curDistance = Math.sqrt(xDiff * xDiff + yDiff * yDiff);
-      // Slightly prefer the existing preview over a new preview.
-      return !(candidateClosest && radius > curDistance -
-          Blockly.CURRENT_CONNECTION_PREFERENCE);
-    } else if (!this.localConnection_ && !this.closestConnection_) {
-    // We weren't showing a preview before, but we should now.
-      return true;
-    } else {
-      console.error('Only one of localConnection_ and closestConnection_ was set.');
-    }
-  } else { // No connection found.
-    // Only need to update if we were showing a preview before.
-    return !!(this.localConnection_ && this.closestConnection_);
-  }
-
-  console.error('Returning true from shouldUpdatePreviews, but it\'s not clear why.');
-  return true;
-};
-
-/**
- * Find the nearest valid connection, which may be the same as the current
- * closest connection.
- * @param {!Blockly.utils.Coordinate} dxy Position relative to drag start,
- *     in workspace units.
- * @return {!Object} An object containing a local connection, a closest
- *     connection, and a radius.
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.getCandidate_ = function(dxy) {
-  var radius = this.getStartRadius_();
-  var candidateClosest = null;
-  var candidateLocal = null;
-
-  for (var i = 0; i < this.availableConnections_.length; i++) {
-    var myConnection = this.availableConnections_[i];
-    var neighbour = myConnection.closest(radius, dxy);
-    if (neighbour.connection) {
-      candidateClosest = neighbour.connection;
-      candidateLocal = myConnection;
-      radius = neighbour.radius;
-    }
-  }
-  return {
-    closest: candidateClosest,
-    local: candidateLocal,
-    radius: radius
-  };
-};
-
-/**
- * Decide the radius at which to start searching for the closest connection.
- * @return {number} The radius at which to start the search for the closest
- *     connection.
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.getStartRadius_ = function() {
-  // If there is already a connection highlighted,
-  // increase the radius we check for making new connections.
-  // Why? When a connection is highlighted, blocks move around when the insertion
-  // marker is created, which could cause the connection became out of range.
-  // By increasing radiusConnection when a connection already exists,
-  // we never "lose" the connection from the offset.
-  if (this.closestConnection_ && this.localConnection_) {
-    return Blockly.CONNECTING_SNAP_RADIUS;
-  }
-  return Blockly.SNAP_RADIUS;
-};
-
-/**
- * Whether ending the drag would delete the block.
- * @param {!Object} candidate An object containing a local connection, a closest
- *     connection, and a radius.
- * @param {?number} deleteArea One of {@link Blockly.DELETE_AREA_TRASH},
- *     {@link Blockly.DELETE_AREA_TOOLBOX}, or {@link Blockly.DELETE_AREA_NONE}.
- * @return {boolean} True if dropping the block immediately would replace
- *     delete the block.  False otherwise.
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.shouldDelete_ = function(candidate,
-    deleteArea) {
-  // Prefer connecting over dropping into the trash can, but prefer dragging to
-  // the toolbox over connecting to other blocks.
-  var wouldConnect = candidate && !!candidate.closest &&
-      deleteArea != Blockly.DELETE_AREA_TOOLBOX;
-  var wouldDelete = !!deleteArea && !this.topBlock_.getParent() &&
-      this.topBlock_.isDeletable();
-
-  return wouldDelete && !wouldConnect;
-};
-
-/**
- * Show an insertion marker or replacement highlighting during a drag, if
- * needed.
- * At the beginning of this function, this.localConnection_ and
- * this.closestConnection_ should both be null.
- * @param {!Object} candidate An object containing a local connection, a closest
- *     connection, and a radius.
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.maybeShowPreview_ = function(candidate) {
-  // Nope, don't add a marker.
-  if (this.wouldDeleteBlock_) {
-    return;
-  }
-  var closest = candidate.closest;
-  var local = candidate.local;
-
-  // Nothing to connect to.
-  if (!closest) {
-    return;
-  }
-
-  // Something went wrong and we're trying to connect to an invalid connection.
-  if (closest == this.closestConnection_ ||
-      closest.getSourceBlock().isInsertionMarker()) {
-    console.log('Trying to connect to an insertion marker');
-    return;
-  }
-  // Add an insertion marker or replacement marker.
-  this.closestConnection_ = closest;
-  this.localConnection_ = local;
-  this.showPreview_();
-};
-
-/**
- * A preview should be shown.  This function figures out if it should be a block
- * highlight or an insertion marker, and shows the appropriate one.
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.showPreview_ = function() {
-  var closest = this.closestConnection_;
-  var renderer = this.workspace_.getRenderer();
-  var method = renderer.getConnectionPreviewMethod(
-      /** @type {!Blockly.RenderedConnection} */ (closest),
-      /** @type {!Blockly.RenderedConnection} */ (this.localConnection_),
-      this.topBlock_);
-
-  switch (method) {
-    case Blockly.InsertionMarkerManager.PREVIEW_TYPE.INPUT_OUTLINE:
-      this.showInsertionInputOutline_();
-      break;
-    case Blockly.InsertionMarkerManager.PREVIEW_TYPE.INSERTION_MARKER:
-      this.showInsertionMarker_();
-      break;
-    case Blockly.InsertionMarkerManager.PREVIEW_TYPE.REPLACEMENT_FADE:
-      this.showReplacementFade_();
-      break;
-  }
-
-  // Optionally highlight the actual connection, as a nod to previous behaviour.
-  if (closest && renderer.shouldHighlightConnection(closest)) {
-    closest.highlight();
-  }
-};
-
-/**
- * Show an insertion marker or replacement highlighting during a drag, if
- * needed.
- * At the end of this function, this.localConnection_ and
- * this.closestConnection_ should both be null.
- * @param {!Object} candidate An object containing a local connection, a closest
- *     connection, and a radius.
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.maybeHidePreview_ = function(candidate) {
-  // If there's no new preview, remove the old one but don't bother deleting it.
-  // We might need it later, and this saves disposing of it and recreating it.
-  if (!candidate.closest) {
-    this.hidePreview_();
-  } else {
-    // If there's a new preview and there was an preview before, and either
-    // connection has changed, remove the old preview.
-    var hadPreview = this.closestConnection_ && this.localConnection_;
-    var closestChanged = this.closestConnection_ != candidate.closest;
-    var localChanged = this.localConnection_ != candidate.local;
-
-    // Also hide if we had a preview before but now we're going to delete instead.
-    if (hadPreview && (closestChanged || localChanged || this.wouldDeleteBlock_)) {
-      this.hidePreview_();
-    }
-  }
-
-  // Either way, clear out old state.
-  this.markerConnection_ = null;
-  this.closestConnection_ = null;
-  this.localConnection_ = null;
-};
-
-/**
- * A preview should be hidden.  This function figures out if it is a block
- *  highlight or an insertion marker, and hides the appropriate one.
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.hidePreview_ = function() {
-  if (this.closestConnection_ && this.closestConnection_.targetBlock() &&
-      this.workspace_.getRenderer()
-          .shouldHighlightConnection(this.closestConnection_)) {
-    this.closestConnection_.unhighlight();
-  }
-  if (this.fadedBlock_) {
-    this.hideReplacementFade_();
-  } else if (this.highlightedBlock_) {
-    this.hideInsertionInputOutline_();
-  } else if (this.markerConnection_) {
-    this.hideInsertionMarker_();
-  }
-};
-
-/**
- * Shows an insertion marker connected to the appropriate blocks (based on
- * manager state).
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.showInsertionMarker_ = function() {
-  var local = this.localConnection_;
-  var closest = this.closestConnection_;
-
-  var isLastInStack = this.lastOnStack_ && local == this.lastOnStack_;
-  var imBlock = isLastInStack ? this.lastMarker_ : this.firstMarker_;
-  var imConn = imBlock.getMatchingConnection(local.getSourceBlock(), local);
-
-  if (imConn == this.markerConnection_) {
-    throw Error('Made it to showInsertionMarker_ even though the marker isn\'t ' +
-        'changing');
-  }
-
-  // Render disconnected from everything else so that we have a valid
-  // connection location.
-  imBlock.render();
-  imBlock.rendered = true;
-  imBlock.getSvgRoot().setAttribute('visibility', 'visible');
-
-  if (imConn && closest) {
-    // Position so that the existing block doesn't move.
-    imBlock.positionNearConnection(imConn, closest);
-  }
-  if (closest) {
-    // Connect() also renders the insertion marker.
-    imConn.connect(closest);
-  }
-
-  this.markerConnection_ = imConn;
-};
-
-/**
- * Disconnects and hides the current insertion marker. Should return the blocks
- * to their original state.
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.hideInsertionMarker_ = function() {
-  if (!this.markerConnection_) {
-    console.log('No insertion marker connection to disconnect');
-    return;
-  }
-
-  var imConn = this.markerConnection_;
-  var imBlock = imConn.getSourceBlock();
-  var markerNext = imBlock.nextConnection;
-  var markerPrev = imBlock.previousConnection;
-  var markerOutput = imBlock.outputConnection;
-
-  var isFirstInStatementStack =
-      (imConn == markerNext && !(markerPrev && markerPrev.targetConnection));
-
-  var isFirstInOutputStack = imConn.type == Blockly.INPUT_VALUE &&
-      !(markerOutput && markerOutput.targetConnection);
-  // The insertion marker is the first block in a stack.  Unplug won't do
-  // anything in that case.  Instead, unplug the following block.
-  if (isFirstInStatementStack || isFirstInOutputStack) {
-    imConn.targetBlock().unplug(false);
-  }
-  // Inside of a C-block, first statement connection.
-  else if (imConn.type == Blockly.NEXT_STATEMENT && imConn != markerNext) {
-    var innerConnection = imConn.targetConnection;
-    innerConnection.getSourceBlock().unplug(false);
-
-    var previousBlockNextConnection =
-        markerPrev ? markerPrev.targetConnection : null;
-
-    imBlock.unplug(true);
-    if (previousBlockNextConnection) {
-      previousBlockNextConnection.connect(innerConnection);
-    }
-  } else {
-    imBlock.unplug(true /* healStack */);
-  }
-
-  if (imConn.targetConnection) {
-    throw Error('markerConnection_ still connected at the end of ' +
-        'disconnectInsertionMarker');
-  }
-
-  this.markerConnection_ = null;
-  imBlock.getSvgRoot().setAttribute('visibility', 'hidden');
-};
-
-/**
- * Shows an outline around the input the closest connection belongs to.
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.showInsertionInputOutline_ = function() {
-  var closest = this.closestConnection_;
-  this.highlightedBlock_ = closest.getSourceBlock();
-  this.highlightedBlock_.highlightShapeForInput(closest, true);
-};
-
-/**
- * Hides any visible input outlines.
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.hideInsertionInputOutline_ = function() {
-  this.highlightedBlock_.highlightShapeForInput(this.closestConnection_, false);
-  this.highlightedBlock_ = null;
-};
-
-/**
- * Shows a replacement fade affect on the closest connection's target block
- * (the block that is currently connected to it).
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.showReplacementFade_ = function() {
-  this.fadedBlock_ = this.closestConnection_.targetBlock();
-  this.fadedBlock_.fadeForReplacement(true);
-};
-
-/**
- * Hides/Removes any visible fade affects.
- * @private
- */
-Blockly.InsertionMarkerManager.prototype.hideReplacementFade_ = function() {
-  this.fadedBlock_.fadeForReplacement(false);
-  this.fadedBlock_ = null;
-};
-
-/**
- * Get a list of the insertion markers that currently exist.  Drags have 0, 1,
- * or 2 insertion markers.
- * @return {!Array.<!Blockly.BlockSvg>} A possibly empty list of insertion
- *     marker blocks.
- * @package
- */
-Blockly.InsertionMarkerManager.prototype.getInsertionMarkers = function() {
-  var result = [];
-  if (this.firstMarker_) {
-    result.push(this.firstMarker_);
-  }
-  if (this.lastMarker_) {
-    result.push(this.lastMarker_);
-  }
-  return result;
-};
diff --git a/core/insertion_marker_manager.ts b/core/insertion_marker_manager.ts
new file mode 100644
index 00000000000..376297f10e7
--- /dev/null
+++ b/core/insertion_marker_manager.ts
@@ -0,0 +1,742 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Class that controls updates to connections during drags.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.InsertionMarkerManager
+
+import {finishQueuedRenders} from './render_management.js';
+import * as blockAnimations from './block_animations.js';
+import type {BlockSvg} from './block_svg.js';
+import * as common from './common.js';
+import {ComponentManager} from './component_manager.js';
+import {config} from './config.js';
+import * as blocks from './serialization/blocks.js';
+import * as eventUtils from './events/utils.js';
+import type {IDeleteArea} from './interfaces/i_delete_area.js';
+import type {IDragTarget} from './interfaces/i_drag_target.js';
+import type {RenderedConnection} from './rendered_connection.js';
+import type {Coordinate} from './utils/coordinate.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+import * as renderManagement from './render_management.js';
+
+/** Represents a nearby valid connection. */
+interface CandidateConnection {
+  /**
+   * A nearby valid connection that is compatible with local.
+   * This is not on any of the blocks that are being dragged.
+   */
+  closest: RenderedConnection;
+  /**
+   * A connection on the dragging stack that is compatible with closest. This is
+   * on the top block that is being dragged or the last block in the dragging
+   * stack.
+   */
+  local: RenderedConnection;
+  radius: number;
+}
+
+/**
+ * Class that controls updates to connections during drags.  It is primarily
+ * responsible for finding the closest eligible connection and highlighting or
+ * unhighlighting it as needed during a drag.
+ *
+ * @deprecated v10 - Use an IConnectionPreviewer instead.
+ */
+export class InsertionMarkerManager {
+  /**
+   * The top block in the stack being dragged.
+   * Does not change during a drag.
+   */
+  private readonly topBlock: BlockSvg;
+
+  /**
+   * The workspace on which these connections are being dragged.
+   * Does not change during a drag.
+   */
+  private readonly workspace: WorkspaceSvg;
+
+  /**
+   * The last connection on the stack, if it's not the last connection on the
+   * first block.
+   * Set in initAvailableConnections, if at all.
+   */
+  private lastOnStack: RenderedConnection | null = null;
+
+  /**
+   * The insertion marker corresponding to the last block in the stack, if
+   * that's not the same as the first block in the stack.
+   * Set in initAvailableConnections, if at all
+   */
+  private lastMarker: BlockSvg | null = null;
+
+  /**
+   * The insertion marker that shows up between blocks to show where a block
+   * would go if dropped immediately.
+   */
+  private firstMarker: BlockSvg;
+
+  /**
+   * Information about the connection that would be made if the dragging block
+   * were released immediately. Updated on every mouse move.
+   */
+  private activeCandidate: CandidateConnection | null = null;
+
+  /**
+   * Whether the block would be deleted if it were dropped immediately.
+   * Updated on every mouse move.
+   *
+   * @internal
+   */
+  public wouldDeleteBlock = false;
+
+  /**
+   * Connection on the insertion marker block that corresponds to
+   * the active candidate's local connection on the currently dragged block.
+   */
+  private markerConnection: RenderedConnection | null = null;
+
+  /** The block that currently has an input being highlighted, or null. */
+  private highlightedBlock: BlockSvg | null = null;
+
+  /** The block being faded to indicate replacement, or null. */
+  private fadedBlock: BlockSvg | null = null;
+
+  /**
+   * The connections on the dragging blocks that are available to connect to
+   * other blocks.  This includes all open connections on the top block, as
+   * well as the last connection on the block stack.
+   */
+  private availableConnections: RenderedConnection[];
+
+  /** @param block The top block in the stack being dragged. */
+  constructor(block: BlockSvg) {
+    common.setSelected(block);
+    this.topBlock = block;
+
+    this.workspace = block.workspace;
+
+    this.firstMarker = this.createMarkerBlock(this.topBlock);
+
+    this.availableConnections = this.initAvailableConnections();
+
+    if (this.lastOnStack) {
+      this.lastMarker = this.createMarkerBlock(
+        this.lastOnStack.getSourceBlock(),
+      );
+    }
+  }
+
+  /**
+   * Sever all links from this object.
+   *
+   * @internal
+   */
+  dispose() {
+    this.availableConnections.length = 0;
+    this.disposeInsertionMarker(this.firstMarker);
+    this.disposeInsertionMarker(this.lastMarker);
+  }
+
+  /**
+   * Update the available connections for the top block. These connections can
+   * change if a block is unplugged and the stack is healed.
+   *
+   * @internal
+   */
+  updateAvailableConnections() {
+    this.availableConnections = this.initAvailableConnections();
+  }
+
+  /**
+   * Return whether the block would be connected if dropped immediately, based
+   * on information from the most recent move event.
+   *
+   * @returns True if the block would be connected if dropped immediately.
+   * @internal
+   */
+  wouldConnectBlock(): boolean {
+    return !!this.activeCandidate;
+  }
+
+  /**
+   * Connect to the closest connection and render the results.
+   * This should be called at the end of a drag.
+   *
+   * @internal
+   */
+  applyConnections() {
+    if (!this.activeCandidate) return;
+    eventUtils.disable();
+    this.hidePreview();
+    eventUtils.enable();
+    const {local, closest} = this.activeCandidate;
+    local.connect(closest);
+    const inferiorConnection = local.isSuperior() ? closest : local;
+    const rootBlock = this.topBlock.getRootBlock();
+
+    finishQueuedRenders().then(() => {
+      blockAnimations.connectionUiEffect(inferiorConnection.getSourceBlock());
+      // bringToFront is incredibly expensive. Delay until the next frame.
+      setTimeout(() => {
+        rootBlock.bringToFront();
+      }, 0);
+    });
+  }
+
+  /**
+   * Update connections based on the most recent move location.
+   *
+   * @param dxy Position relative to drag start, in workspace units.
+   * @param dragTarget The drag target that the block is currently over.
+   * @internal
+   */
+  update(dxy: Coordinate, dragTarget: IDragTarget | null) {
+    const newCandidate = this.getCandidate(dxy);
+
+    this.wouldDeleteBlock = this.shouldDelete(!!newCandidate, dragTarget);
+
+    const shouldUpdate =
+      this.wouldDeleteBlock || this.shouldUpdatePreviews(newCandidate, dxy);
+
+    if (shouldUpdate) {
+      // Don't fire events for insertion marker creation or movement.
+      eventUtils.disable();
+      this.maybeHidePreview(newCandidate);
+      this.maybeShowPreview(newCandidate);
+      eventUtils.enable();
+    }
+  }
+
+  /**
+   * Create an insertion marker that represents the given block.
+   *
+   * @param sourceBlock The block that the insertion marker will represent.
+   * @returns The insertion marker that represents the given block.
+   */
+  private createMarkerBlock(sourceBlock: BlockSvg): BlockSvg {
+    eventUtils.disable();
+    let result: BlockSvg;
+    try {
+      const blockJson = blocks.save(sourceBlock, {
+        addCoordinates: false,
+        addInputBlocks: false,
+        addNextBlocks: false,
+        doFullSerialization: false,
+      });
+
+      if (!blockJson) {
+        throw new Error(
+          `Failed to serialize source block. ${sourceBlock.toDevString()}`,
+        );
+      }
+
+      result = blocks.append(blockJson, this.workspace) as BlockSvg;
+
+      // Turn shadow blocks that are created programmatically during
+      // initalization to insertion markers too.
+      for (const block of result.getDescendants(false)) {
+        block.setInsertionMarker(true);
+      }
+
+      result.initSvg();
+      result.getSvgRoot().setAttribute('visibility', 'hidden');
+    } finally {
+      eventUtils.enable();
+    }
+
+    return result;
+  }
+
+  /**
+   * Populate the list of available connections on this block stack. If the
+   * stack has more than one block, this function will also update lastOnStack.
+   *
+   * @returns A list of available connections.
+   */
+  private initAvailableConnections(): RenderedConnection[] {
+    const available = this.topBlock.getConnections_(false);
+    // Also check the last connection on this stack
+    const lastOnStack = this.topBlock.lastConnectionInStack(true);
+    if (lastOnStack && lastOnStack !== this.topBlock.nextConnection) {
+      available.push(lastOnStack);
+      this.lastOnStack = lastOnStack;
+    }
+    return available;
+  }
+
+  /**
+   * Whether the previews (insertion marker and replacement marker) should be
+   * updated based on the closest candidate and the current drag distance.
+   *
+   * @param newCandidate A new candidate connection that may replace the current
+   *     best candidate.
+   * @param dxy Position relative to drag start, in workspace units.
+   * @returns Whether the preview should be updated.
+   */
+  private shouldUpdatePreviews(
+    newCandidate: CandidateConnection | null,
+    dxy: Coordinate,
+  ): boolean {
+    // Only need to update if we were showing a preview before.
+    if (!newCandidate) return !!this.activeCandidate;
+
+    // We weren't showing a preview before, but we should now.
+    if (!this.activeCandidate) return true;
+
+    // We're already showing an insertion marker.
+    // Decide whether the new connection has higher priority.
+    const {local: activeLocal, closest: activeClosest} = this.activeCandidate;
+    if (
+      activeClosest === newCandidate.closest &&
+      activeLocal === newCandidate.local
+    ) {
+      // The connection was the same as the current connection.
+      return false;
+    }
+
+    const xDiff = activeLocal.x + dxy.x - activeClosest.x;
+    const yDiff = activeLocal.y + dxy.y - activeClosest.y;
+    const curDistance = Math.sqrt(xDiff * xDiff + yDiff * yDiff);
+    // Slightly prefer the existing preview over a new preview.
+    return (
+      newCandidate.radius < curDistance - config.currentConnectionPreference
+    );
+  }
+
+  /**
+   * Find the nearest valid connection, which may be the same as the current
+   * closest connection.
+   *
+   * @param dxy Position relative to drag start, in workspace units.
+   * @returns An object containing a local connection, a closest connection, and
+   *     a radius.
+   */
+  private getCandidate(dxy: Coordinate): CandidateConnection | null {
+    // It's possible that a block has added or removed connections during a
+    // drag, (e.g. in a drag/move event handler), so let's update the available
+    // connections. Note that this will be called on every move while dragging,
+    // so it might cause slowness, especially if the block stack is large.  If
+    // so, maybe it could be made more efficient. Also note that we won't update
+    // the connections if we've already connected the insertion marker to a
+    // block.
+    if (!this.markerConnection || !this.markerConnection.isConnected()) {
+      this.updateAvailableConnections();
+    }
+
+    let radius = this.getStartRadius();
+    let candidate = null;
+    for (let i = 0; i < this.availableConnections.length; i++) {
+      const myConnection = this.availableConnections[i];
+      const neighbour = myConnection.closest(radius, dxy);
+      if (neighbour.connection) {
+        candidate = {
+          closest: neighbour.connection,
+          local: myConnection,
+          radius: neighbour.radius,
+        };
+        radius = neighbour.radius;
+      }
+    }
+    return candidate;
+  }
+
+  /**
+   * Decide the radius at which to start searching for the closest connection.
+   *
+   * @returns The radius at which to start the search for the closest
+   *     connection.
+   */
+  private getStartRadius(): number {
+    // If there is already a connection highlighted,
+    // increase the radius we check for making new connections.
+    // When a connection is highlighted, blocks move around when the
+    // insertion marker is created, which could cause the connection became out
+    // of range. By increasing radiusConnection when a connection already
+    // exists, we never "lose" the connection from the offset.
+    return this.activeCandidate
+      ? config.connectingSnapRadius
+      : config.snapRadius;
+  }
+
+  /**
+   * Whether ending the drag would delete the block.
+   *
+   * @param newCandidate Whether there is a candidate connection that the
+   *     block could connect to if the drag ended immediately.
+   * @param dragTarget The drag target that the block is currently over.
+   * @returns Whether dropping the block immediately would delete the block.
+   */
+  private shouldDelete(
+    newCandidate: boolean,
+    dragTarget: IDragTarget | null,
+  ): boolean {
+    if (dragTarget) {
+      const componentManager = this.workspace.getComponentManager();
+      const isDeleteArea = componentManager.hasCapability(
+        dragTarget.id,
+        ComponentManager.Capability.DELETE_AREA,
+      );
+      if (isDeleteArea) {
+        return (dragTarget as IDeleteArea).wouldDelete(this.topBlock);
+      }
+    }
+    return false;
+  }
+
+  /**
+   * Show an insertion marker or replacement highlighting during a drag, if
+   * needed.
+   * At the beginning of this function, this.activeConnection should be null.
+   *
+   * @param newCandidate A new candidate connection that may replace the current
+   *     best candidate.
+   */
+  private maybeShowPreview(newCandidate: CandidateConnection | null) {
+    if (this.wouldDeleteBlock) return; // Nope, don't add a marker.
+    if (!newCandidate) return; // Nothing to connect to.
+
+    const closest = newCandidate.closest;
+
+    // Something went wrong and we're trying to connect to an invalid
+    // connection.
+    if (
+      closest === this.activeCandidate?.closest ||
+      closest.getSourceBlock().isInsertionMarker()
+    ) {
+      console.log('Trying to connect to an insertion marker');
+      return;
+    }
+    this.activeCandidate = newCandidate;
+    // Add an insertion marker or replacement marker.
+    this.showPreview(this.activeCandidate);
+  }
+
+  /**
+   * A preview should be shown.  This function figures out if it should be a
+   * block highlight or an insertion marker, and shows the appropriate one.
+   *
+   * @param activeCandidate The connection that will be made if the drag ends
+   *     immediately.
+   */
+  private showPreview(activeCandidate: CandidateConnection) {
+    const renderer = this.workspace.getRenderer();
+    const method = renderer.getConnectionPreviewMethod(
+      activeCandidate.closest,
+      activeCandidate.local,
+      this.topBlock,
+    );
+
+    switch (method) {
+      case InsertionMarkerManager.PREVIEW_TYPE.INPUT_OUTLINE:
+        this.showInsertionInputOutline(activeCandidate);
+        break;
+      case InsertionMarkerManager.PREVIEW_TYPE.INSERTION_MARKER:
+        this.showInsertionMarker(activeCandidate);
+        break;
+      case InsertionMarkerManager.PREVIEW_TYPE.REPLACEMENT_FADE:
+        this.showReplacementFade(activeCandidate);
+        break;
+    }
+
+    // Optionally highlight the actual connection, as a nod to previous
+    // behaviour.
+    if (renderer.shouldHighlightConnection(activeCandidate.closest)) {
+      activeCandidate.closest.highlight();
+    }
+  }
+
+  /**
+   * Hide an insertion marker or replacement highlighting during a drag, if
+   * needed.
+   * At the end of this function, this.activeCandidate will be null.
+   *
+   * @param newCandidate A new candidate connection that may replace the current
+   *     best candidate.
+   */
+  private maybeHidePreview(newCandidate: CandidateConnection | null) {
+    // If there's no new preview, remove the old one but don't bother deleting
+    // it. We might need it later, and this saves disposing of it and recreating
+    // it.
+    if (!newCandidate) {
+      this.hidePreview();
+    } else {
+      if (this.activeCandidate) {
+        const closestChanged =
+          this.activeCandidate.closest !== newCandidate.closest;
+        const localChanged = this.activeCandidate.local !== newCandidate.local;
+
+        // If there's a new preview and there was a preview before, and either
+        // connection has changed, remove the old preview.
+        // Also hide if we had a preview before but now we're going to delete
+        // instead.
+        if (closestChanged || localChanged || this.wouldDeleteBlock) {
+          this.hidePreview();
+        }
+      }
+    }
+
+    // Either way, clear out old state.
+    this.markerConnection = null;
+    this.activeCandidate = null;
+  }
+
+  /**
+   * A preview should be hidden. Loop through all possible preview modes
+   * and hide everything.
+   */
+  private hidePreview() {
+    const closest = this.activeCandidate?.closest;
+    if (
+      closest &&
+      closest.targetBlock() &&
+      this.workspace.getRenderer().shouldHighlightConnection(closest)
+    ) {
+      closest.unhighlight();
+    }
+    this.hideReplacementFade();
+    this.hideInsertionInputOutline();
+    this.hideInsertionMarker();
+  }
+
+  /**
+   * Shows an insertion marker connected to the appropriate blocks (based on
+   * manager state).
+   *
+   * @param activeCandidate The connection that will be made if the drag ends
+   *     immediately.
+   */
+  private showInsertionMarker(activeCandidate: CandidateConnection) {
+    const {local, closest} = activeCandidate;
+
+    const isLastInStack = this.lastOnStack && local === this.lastOnStack;
+    let insertionMarker = isLastInStack ? this.lastMarker : this.firstMarker;
+    if (!insertionMarker) {
+      throw new Error(
+        'Cannot show the insertion marker because there is no insertion ' +
+          'marker block',
+      );
+    }
+    let imConn;
+    try {
+      imConn = insertionMarker.getMatchingConnection(
+        local.getSourceBlock(),
+        local,
+      );
+    } catch (e) {
+      // It's possible that the number of connections on the local block has
+      // changed since the insertion marker was originally created.  Let's
+      // recreate the insertion marker and try again. In theory we could
+      // probably recreate the marker block (e.g. in getCandidate_), which is
+      // called more often during the drag, but creating a block that often
+      // might be too slow, so we only do it if necessary.
+      if (isLastInStack && this.lastOnStack) {
+        this.disposeInsertionMarker(this.lastMarker);
+        this.lastMarker = this.createMarkerBlock(
+          this.lastOnStack.getSourceBlock(),
+        );
+        insertionMarker = this.lastMarker;
+      } else {
+        this.disposeInsertionMarker(this.firstMarker);
+        this.firstMarker = this.createMarkerBlock(this.topBlock);
+        insertionMarker = this.firstMarker;
+      }
+
+      if (!insertionMarker) {
+        throw new Error(
+          'Cannot show the insertion marker because there is no insertion ' +
+            'marker block',
+        );
+      }
+      imConn = insertionMarker.getMatchingConnection(
+        local.getSourceBlock(),
+        local,
+      );
+    }
+
+    if (!imConn) {
+      throw new Error(
+        'Cannot show the insertion marker because there is no ' +
+          'associated connection',
+      );
+    }
+
+    if (imConn === this.markerConnection) {
+      throw new Error(
+        "Made it to showInsertionMarker_ even though the marker isn't " +
+          'changing',
+      );
+    }
+
+    // Render disconnected from everything else so that we have a valid
+    // connection location.
+    insertionMarker.queueRender();
+    renderManagement.triggerQueuedRenders();
+
+    // Connect() also renders the insertion marker.
+    imConn.connect(closest);
+
+    const originalOffsetToTarget = {
+      x: closest.x - imConn.x,
+      y: closest.y - imConn.y,
+    };
+    const originalOffsetInBlock = imConn.getOffsetInBlock().clone();
+    const imConnConst = imConn;
+    renderManagement.finishQueuedRenders().then(() => {
+      // Position so that the existing block doesn't move.
+      insertionMarker?.positionNearConnection(
+        imConnConst,
+        originalOffsetToTarget,
+        originalOffsetInBlock,
+      );
+      insertionMarker?.getSvgRoot().setAttribute('visibility', 'visible');
+    });
+
+    this.markerConnection = imConn;
+  }
+
+  /**
+   * Disconnects and hides the current insertion marker. Should return the
+   * blocks to their original state.
+   */
+  private hideInsertionMarker() {
+    if (!this.markerConnection) return;
+
+    const markerConn = this.markerConnection;
+    const imBlock = markerConn.getSourceBlock();
+    const markerPrev = imBlock.previousConnection;
+    const markerOutput = imBlock.outputConnection;
+
+    if (!markerPrev?.targetConnection && !markerOutput?.targetConnection) {
+      // If we are the top block, unplugging doesn't do anything.
+      // The marker connection may not have a target block if we are hiding
+      // as part of applying connections.
+      markerConn.targetBlock()?.unplug(false);
+    } else {
+      imBlock.unplug(true);
+    }
+
+    if (markerConn.targetConnection) {
+      throw Error(
+        'markerConnection still connected at the end of ' +
+          'disconnectInsertionMarker',
+      );
+    }
+
+    this.markerConnection = null;
+    const svg = imBlock.getSvgRoot();
+    if (svg) {
+      svg.setAttribute('visibility', 'hidden');
+    }
+  }
+
+  /**
+   * Shows an outline around the input the closest connection belongs to.
+   *
+   * @param activeCandidate The connection that will be made if the drag ends
+   *     immediately.
+   */
+  private showInsertionInputOutline(activeCandidate: CandidateConnection) {
+    const closest = activeCandidate.closest;
+    this.highlightedBlock = closest.getSourceBlock();
+    this.highlightedBlock.highlightShapeForInput(closest, true);
+  }
+
+  /** Hides any visible input outlines. */
+  private hideInsertionInputOutline() {
+    if (!this.highlightedBlock) return;
+
+    if (!this.activeCandidate) {
+      throw new Error(
+        'Cannot hide the insertion marker outline because ' +
+          'there is no active candidate',
+      );
+    }
+    this.highlightedBlock.highlightShapeForInput(
+      this.activeCandidate.closest,
+      false,
+    );
+    this.highlightedBlock = null;
+  }
+
+  /**
+   * Shows a replacement fade affect on the closest connection's target block
+   * (the block that is currently connected to it).
+   *
+   * @param activeCandidate The connection that will be made if the drag ends
+   *     immediately.
+   */
+  private showReplacementFade(activeCandidate: CandidateConnection) {
+    this.fadedBlock = activeCandidate.closest.targetBlock();
+    if (!this.fadedBlock) {
+      throw new Error(
+        'Cannot show the replacement fade because the ' +
+          'closest connection does not have a target block',
+      );
+    }
+    this.fadedBlock.fadeForReplacement(true);
+  }
+
+  /**
+   * Hides/Removes any visible fade affects.
+   */
+  private hideReplacementFade() {
+    if (!this.fadedBlock) return;
+
+    this.fadedBlock.fadeForReplacement(false);
+    this.fadedBlock = null;
+  }
+
+  /**
+   * Get a list of the insertion markers that currently exist.  Drags have 0, 1,
+   * or 2 insertion markers.
+   *
+   * @returns A possibly empty list of insertion marker blocks.
+   * @internal
+   */
+  getInsertionMarkers(): BlockSvg[] {
+    const result = [];
+    if (this.firstMarker) {
+      result.push(this.firstMarker);
+    }
+    if (this.lastMarker) {
+      result.push(this.lastMarker);
+    }
+    return result;
+  }
+
+  /**
+   * Safely disposes of an insertion marker.
+   */
+  private disposeInsertionMarker(marker: BlockSvg | null) {
+    if (marker) {
+      eventUtils.disable();
+      try {
+        marker.dispose();
+      } finally {
+        eventUtils.enable();
+      }
+    }
+  }
+}
+
+export namespace InsertionMarkerManager {
+  /**
+   * An enum describing different kinds of previews the InsertionMarkerManager
+   * could display.
+   */
+  export enum PREVIEW_TYPE {
+    INSERTION_MARKER = 0,
+    INPUT_OUTLINE = 1,
+    REPLACEMENT_FADE = 2,
+  }
+}
+
+export type PreviewType = InsertionMarkerManager.PREVIEW_TYPE;
+export const PreviewType = InsertionMarkerManager.PREVIEW_TYPE;
diff --git a/core/insertion_marker_previewer.ts b/core/insertion_marker_previewer.ts
new file mode 100644
index 00000000000..3cc9f1a049f
--- /dev/null
+++ b/core/insertion_marker_previewer.ts
@@ -0,0 +1,254 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {BlockSvg} from './block_svg.js';
+import {IConnectionPreviewer} from './interfaces/i_connection_previewer.js';
+import {RenderedConnection} from './rendered_connection.js';
+import {WorkspaceSvg} from './workspace_svg.js';
+import * as blocks from './serialization/blocks.js';
+import * as eventUtils from './events/utils.js';
+import * as renderManagement from './render_management.js';
+import * as registry from './registry.js';
+import {Renderer as ZelosRenderer} from './renderers/zelos/renderer.js';
+import {ConnectionType} from './connection_type.js';
+
+export class InsertionMarkerPreviewer implements IConnectionPreviewer {
+  private readonly workspace: WorkspaceSvg;
+
+  private fadedBlock: BlockSvg | null = null;
+
+  private markerConn: RenderedConnection | null = null;
+
+  private draggedConn: RenderedConnection | null = null;
+
+  private staticConn: RenderedConnection | null = null;
+
+  constructor(draggedBlock: BlockSvg) {
+    this.workspace = draggedBlock.workspace;
+  }
+
+  /**
+   * Display a connection preview where the draggedCon connects to the
+   * staticCon, replacing the replacedBlock (currently connected to the
+   * staticCon).
+   *
+   * @param draggedConn The connection on the block stack being dragged.
+   * @param staticConn The connection not being dragged that we are
+   *     connecting to.
+   * @param replacedBlock The block currently connected to the staticCon that
+   *     is being replaced.
+   */
+  previewReplacement(
+    draggedConn: RenderedConnection,
+    staticConn: RenderedConnection,
+    replacedBlock: BlockSvg,
+  ) {
+    eventUtils.disable();
+    try {
+      this.hidePreview();
+      this.fadedBlock = replacedBlock;
+      replacedBlock.fadeForReplacement(true);
+      if (this.workspace.getRenderer().shouldHighlightConnection(staticConn)) {
+        staticConn.highlight();
+        this.staticConn = staticConn;
+      }
+    } finally {
+      eventUtils.enable();
+    }
+  }
+
+  /**
+   * Display a connection preview where the draggedCon connects to the
+   * staticCon, and no block is being relaced.
+   *
+   * @param draggedConn The connection on the block stack being dragged.
+   * @param staticConn The connection not being dragged that we are
+   *     connecting to.
+   */
+  previewConnection(
+    draggedConn: RenderedConnection,
+    staticConn: RenderedConnection,
+  ) {
+    if (draggedConn === this.draggedConn && staticConn === this.staticConn) {
+      return;
+    }
+
+    eventUtils.disable();
+    try {
+      this.hidePreview();
+
+      // TODO(7898): Instead of special casing, we should change the dragger to
+      //   track the change in distance between the dragged connection and the
+      //   static connection, so that it doesn't disconnect  unless that
+      //   (+ a bit) has been exceeded.
+      if (this.shouldUseMarkerPreview(draggedConn, staticConn)) {
+        this.markerConn = this.previewMarker(draggedConn, staticConn);
+      }
+
+      if (this.workspace.getRenderer().shouldHighlightConnection(staticConn)) {
+        staticConn.highlight();
+      }
+
+      this.draggedConn = draggedConn;
+      this.staticConn = staticConn;
+    } finally {
+      eventUtils.enable();
+    }
+  }
+
+  private shouldUseMarkerPreview(
+    _draggedConn: RenderedConnection,
+    staticConn: RenderedConnection,
+  ): boolean {
+    return (
+      staticConn.type === ConnectionType.PREVIOUS_STATEMENT ||
+      staticConn.type === ConnectionType.NEXT_STATEMENT ||
+      !(this.workspace.getRenderer() instanceof ZelosRenderer)
+    );
+  }
+
+  private previewMarker(
+    draggedConn: RenderedConnection,
+    staticConn: RenderedConnection,
+  ): RenderedConnection | null {
+    const dragged = draggedConn.getSourceBlock();
+    const marker = this.createInsertionMarker(dragged);
+    const markerConn = this.getMatchingConnection(dragged, marker, draggedConn);
+    if (!markerConn) return null;
+
+    // Render disconnected from everything else so that we have a valid
+    // connection location.
+    marker.queueRender();
+    renderManagement.triggerQueuedRenders();
+
+    // Connect() also renders the insertion marker.
+    markerConn.connect(staticConn);
+
+    const originalOffsetToTarget = {
+      x: staticConn.x - markerConn.x,
+      y: staticConn.y - markerConn.y,
+    };
+    const originalOffsetInBlock = markerConn.getOffsetInBlock().clone();
+    renderManagement.finishQueuedRenders().then(() => {
+      if (marker.isDeadOrDying()) return;
+      eventUtils.disable();
+      try {
+        // Position so that the existing block doesn't move.
+        marker?.positionNearConnection(
+          markerConn,
+          originalOffsetToTarget,
+          originalOffsetInBlock,
+        );
+        marker?.getSvgRoot().setAttribute('visibility', 'visible');
+      } finally {
+        eventUtils.enable();
+      }
+    });
+    return markerConn;
+  }
+
+  private createInsertionMarker(origBlock: BlockSvg) {
+    const blockJson = blocks.save(origBlock, {
+      addCoordinates: false,
+      addInputBlocks: false,
+      addNextBlocks: false,
+      doFullSerialization: false,
+    });
+
+    if (!blockJson) {
+      throw new Error(
+        `Failed to serialize source block. ${origBlock.toDevString()}`,
+      );
+    }
+
+    const result = blocks.append(blockJson, this.workspace) as BlockSvg;
+
+    // Turn shadow blocks that are created programmatically during
+    // initalization to insertion markers too.
+    for (const block of result.getDescendants(false)) {
+      block.setInsertionMarker(true);
+    }
+
+    result.initSvg();
+    result.getSvgRoot().setAttribute('visibility', 'hidden');
+    return result;
+  }
+
+  /**
+   * Gets the connection on the marker block that matches the original
+   * connection on the original block.
+   *
+   * @param orig The original block.
+   * @param marker The marker block (where we want to find the matching
+   *     connection).
+   * @param origConn The original connection.
+   */
+  private getMatchingConnection(
+    orig: BlockSvg,
+    marker: BlockSvg,
+    origConn: RenderedConnection,
+  ): RenderedConnection | null {
+    const origConns = orig.getConnections_(true);
+    const markerConns = marker.getConnections_(true);
+    if (origConns.length !== markerConns.length) return null;
+    for (let i = 0; i < origConns.length; i++) {
+      if (origConns[i] === origConn) {
+        return markerConns[i];
+      }
+    }
+    return null;
+  }
+
+  /** Hide any previews that are currently displayed. */
+  hidePreview() {
+    eventUtils.disable();
+    try {
+      if (this.staticConn) {
+        this.staticConn.unhighlight();
+        this.staticConn = null;
+      }
+      if (this.fadedBlock) {
+        this.fadedBlock.fadeForReplacement(false);
+        this.fadedBlock = null;
+      }
+      if (this.markerConn) {
+        this.hideInsertionMarker(this.markerConn);
+        this.markerConn = null;
+        this.draggedConn = null;
+      }
+    } finally {
+      eventUtils.enable();
+    }
+  }
+
+  private hideInsertionMarker(markerConn: RenderedConnection) {
+    const marker = markerConn.getSourceBlock();
+    const markerPrev = marker.previousConnection;
+    const markerOutput = marker.outputConnection;
+
+    if (!markerPrev?.targetConnection && !markerOutput?.targetConnection) {
+      // If we are the top block, unplugging doesn't do anything.
+      // The marker connection may not have a target block if we are hiding
+      // as part of applying connections.
+      markerConn.targetBlock()?.unplug(false);
+    } else {
+      marker.unplug(true);
+    }
+
+    marker.dispose();
+  }
+
+  /** Dispose of any references held by this connection previewer. */
+  dispose() {
+    this.hidePreview();
+  }
+}
+
+registry.register(
+  registry.Type.CONNECTION_PREVIEWER,
+  registry.DEFAULT,
+  InsertionMarkerPreviewer,
+);
diff --git a/core/interfaces/i_accessibility.js b/core/interfaces/i_accessibility.js
deleted file mode 100644
index c31461b6db3..00000000000
--- a/core/interfaces/i_accessibility.js
+++ /dev/null
@@ -1,72 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview AST Node and keyboard navigation interfaces.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-'use strict';
-
-goog.provide('Blockly.IASTNodeLocation');
-goog.provide('Blockly.IASTNodeLocationSvg');
-goog.provide('Blockly.IASTNodeLocationWithBlock');
-goog.provide('Blockly.IBlocklyActionable');
-
-/**
- * An AST node location interface.
- * @interface
- */
-Blockly.IASTNodeLocation = function() {};
-
-/**
- * An AST node location SVG interface.
- * @interface
- * @extends {Blockly.IASTNodeLocation}
- */
-Blockly.IASTNodeLocationSvg = function() {};
-
-/**
- * Add the marker svg to this node's svg group.
- * @param {SVGElement} markerSvg The svg root of the marker to be added to the
- *     svg group.
- */
-Blockly.IASTNodeLocationSvg.prototype.setMarkerSvg;
-
-/**
- * Add the cursor svg to this node's svg group.
- * @param {SVGElement} cursorSvg The svg root of the cursor to be added to the
- *     svg group.
- */
-Blockly.IASTNodeLocationSvg.prototype.setCursorSvg;
-
-/**
- * An AST node location that has an associated block.
- * @interface
- * @extends {Blockly.IASTNodeLocation}
- */
-Blockly.IASTNodeLocationWithBlock = function() {};
-
-/**
- * Get the source block associated with this node.
- * @return {Blockly.Block} The source block.
- */
-Blockly.IASTNodeLocationWithBlock.prototype.getSourceBlock;
-
-
-/**
- * An interface for an object that handles Blockly actions when keyboard
- * navigation is enabled.
- * @interface
- */
-Blockly.IBlocklyActionable = function() {};
-
-/**
- * Handles the given action.
- * @param {!Blockly.Action} action The action to be handled.
- * @return {boolean} True if the action has been handled, false otherwise.
- */
-Blockly.IBlocklyActionable.prototype.onBlocklyAction;
diff --git a/core/interfaces/i_ast_node_location.ts b/core/interfaces/i_ast_node_location.ts
new file mode 100644
index 00000000000..cc90bbc4065
--- /dev/null
+++ b/core/interfaces/i_ast_node_location.ts
@@ -0,0 +1,12 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.IASTNodeLocation
+
+/**
+ * An AST node location interface.
+ */
+export interface IASTNodeLocation {}
diff --git a/core/interfaces/i_ast_node_location_svg.ts b/core/interfaces/i_ast_node_location_svg.ts
new file mode 100644
index 00000000000..729e5f09543
--- /dev/null
+++ b/core/interfaces/i_ast_node_location_svg.ts
@@ -0,0 +1,28 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.IASTNodeLocationSvg
+
+import type {IASTNodeLocation} from './i_ast_node_location.js';
+
+/**
+ * An AST node location SVG interface.
+ */
+export interface IASTNodeLocationSvg extends IASTNodeLocation {
+  /**
+   * Add the marker SVG to this node's SVG group.
+   *
+   * @param markerSvg The SVG root of the marker to be added to the SVG group.
+   */
+  setMarkerSvg(markerSvg: SVGElement | null): void;
+
+  /**
+   * Add the cursor SVG to this node's SVG group.
+   *
+   * @param cursorSvg The SVG root of the cursor to be added to the SVG group.
+   */
+  setCursorSvg(cursorSvg: SVGElement | null): void;
+}
diff --git a/core/interfaces/i_ast_node_location_with_block.ts b/core/interfaces/i_ast_node_location_with_block.ts
new file mode 100644
index 00000000000..a00603864d3
--- /dev/null
+++ b/core/interfaces/i_ast_node_location_with_block.ts
@@ -0,0 +1,22 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.IASTNodeLocationWithBlock
+
+import type {IASTNodeLocation} from './i_ast_node_location.js';
+import type {Block} from '../block.js';
+
+/**
+ * An AST node location that has an associated block.
+ */
+export interface IASTNodeLocationWithBlock extends IASTNodeLocation {
+  /**
+   * Get the source block associated with this node.
+   *
+   * @returns The source block.
+   */
+  getSourceBlock(): Block | null;
+}
diff --git a/core/interfaces/i_autohideable.ts b/core/interfaces/i_autohideable.ts
new file mode 100644
index 00000000000..ecdec8595a6
--- /dev/null
+++ b/core/interfaces/i_autohideable.ts
@@ -0,0 +1,22 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.IAutoHideable
+
+import type {IComponent} from './i_component.js';
+
+/**
+ * Interface for a component that can be automatically hidden.
+ */
+export interface IAutoHideable extends IComponent {
+  /**
+   * Hides the component. Called in WorkspaceSvg.hideChaff.
+   *
+   * @param onlyClosePopups Whether only popups should be closed.
+   *   Flyouts should not be closed if this is true.
+   */
+  autoHide(onlyClosePopups: boolean): void;
+}
diff --git a/core/interfaces/i_bounded_element.js b/core/interfaces/i_bounded_element.js
deleted file mode 100644
index 34b72fb32a7..00000000000
--- a/core/interfaces/i_bounded_element.js
+++ /dev/null
@@ -1,31 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for a bounded element.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-'use strict';
-
-goog.provide('Blockly.IBoundedElement');
-
-goog.requireType('Blockly.utils.Rect');
-
-
-/**
- * A bounded element interface.
- * @interface
- */
-Blockly.IBoundedElement = function() {};
-
-/**
- * Returns the coordinates of a bounded element describing the dimensions of the
- * element.
- * Coordinate system: workspace coordinates.
- * @return {!Blockly.utils.Rect} Object with coordinates of the bounded element.
- */
-Blockly.IBoundedElement.prototype.getBoundingRectangle;
diff --git a/core/interfaces/i_bounded_element.ts b/core/interfaces/i_bounded_element.ts
new file mode 100644
index 00000000000..a32df5985ef
--- /dev/null
+++ b/core/interfaces/i_bounded_element.ts
@@ -0,0 +1,30 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {Rect} from '../utils/rect.js';
+// Former goog.module ID: Blockly.IBoundedElement
+
+/**
+ * A bounded element interface.
+ */
+export interface IBoundedElement {
+  /**
+   * Returns the coordinates of a bounded element describing the dimensions of
+   * the element. Coordinate system: workspace coordinates.
+   *
+   * @returns Object with coordinates of the bounded element.
+   */
+  getBoundingRectangle(): Rect;
+
+  /**
+   * Move the element by a relative offset.
+   *
+   * @param dx Horizontal offset in workspace units.
+   * @param dy Vertical offset in workspace units.
+   * @param reason Why is this move happening?  'user', 'bump', 'snap'...
+   */
+  moveBy(dx: number, dy: number, reason?: string[]): void;
+}
diff --git a/core/interfaces/i_bubble.js b/core/interfaces/i_bubble.js
deleted file mode 100644
index bbf9fdae31a..00000000000
--- a/core/interfaces/i_bubble.js
+++ /dev/null
@@ -1,83 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for a bubble.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-'use strict';
-
-goog.provide('Blockly.IBubble');
-
-goog.requireType('Blockly.IContextMenu');
-goog.requireType('Blockly.IDeletable');
-
-
-/**
- * A bubble interface.
- * @interface
- * @extends {Blockly.IDeletable}
- * @extends {Blockly.IContextMenu}
- */
-Blockly.IBubble = function() {};
-
-/**
- * Return the coordinates of the top-left corner of this bubble's body relative
- * to the drawing surface's origin (0,0), in workspace units.
- * @return {!Blockly.utils.Coordinate} Object with .x and .y properties.
- */
-Blockly.IBubble.prototype.getRelativeToSurfaceXY;
-
-/**
- * Return the root node of the bubble's SVG group.
- * @return {!SVGElement} The root SVG node of the bubble's group.
- */
-Blockly.IBubble.prototype.getSvgRoot;
-
-/**
- * Set whether auto-layout of this bubble is enabled.  The first time a bubble
- * is shown it positions itself to not cover any blocks.  Once a user has
- * dragged it to reposition, it renders where the user put it.
- * @param {boolean} enable True if auto-layout should be enabled, false
- *     otherwise.
- */
-Blockly.IBubble.prototype.setAutoLayout;
-
-/**
- * Triggers a move callback if one exists at the end of a drag.
- * @param {boolean} adding True if adding, false if removing.
- */
-Blockly.IBubble.prototype.setDragging;
-
-/**
- * Move this bubble during a drag, taking into account whether or not there is
- * a drag surface.
- * @param {Blockly.BlockDragSurfaceSvg} dragSurface The surface that carries
- *     rendered items during a drag, or null if no drag surface is in use.
- * @param {!Blockly.utils.Coordinate} newLoc The location to translate to, in
- *     workspace coordinates.
- */
-Blockly.IBubble.prototype.moveDuringDrag;
-
-/**
- * Move the bubble to the specified location in workspace coordinates.
- * @param {number} x The x position to move to.
- * @param {number} y The y position to move to.
- */
-Blockly.IBubble.prototype.moveTo;
-
-/**
- * Update the style of this bubble when it is dragged over a delete area.
- * @param {boolean} enable True if the bubble is about to be deleted, false
- *     otherwise.
- */
-Blockly.IBubble.prototype.setDeleteStyle;
-
-/**
- * Dispose of this bubble.
- */
-Blockly.IBubble.prototype.dispose;
diff --git a/core/interfaces/i_bubble.ts b/core/interfaces/i_bubble.ts
new file mode 100644
index 00000000000..e27fccafd48
--- /dev/null
+++ b/core/interfaces/i_bubble.ts
@@ -0,0 +1,63 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {Coordinate} from '../utils/coordinate.js';
+// Former goog.module ID: Blockly.IBubble
+
+import type {IContextMenu} from './i_contextmenu.js';
+import type {IDraggable} from './i_draggable.js';
+
+/**
+ * A bubble interface.
+ */
+export interface IBubble extends IDraggable, IContextMenu {
+  /**
+   * Return the coordinates of the top-left corner of this bubble's body
+   * relative to the drawing surface's origin (0,0), in workspace units.
+   *
+   * @returns Object with .x and .y properties.
+   */
+  getRelativeToSurfaceXY(): Coordinate;
+
+  /**
+   * Return the root node of the bubble's SVG group.
+   *
+   * @returns The root SVG node of the bubble's group.
+   */
+  getSvgRoot(): SVGElement;
+
+  /**
+   * Sets whether or not this bubble is being dragged.
+   *
+   * @param adding True if dragging, false otherwise.
+   */
+  setDragging(dragging: boolean): void;
+
+  /**
+   * Move this bubble during a drag.
+   *
+   * @param newLoc The location to translate to, in workspace coordinates.
+   */
+  moveDuringDrag(newLoc: Coordinate): void;
+
+  /**
+   * Move the bubble to the specified location in workspace coordinates.
+   *
+   * @param x The x position to move to.
+   * @param y The y position to move to.
+   */
+  moveTo(x: number, y: number): void;
+
+  /**
+   * Update the style of this bubble when it is dragged over a delete area.
+   *
+   * @param enable True if the bubble is about to be deleted, false otherwise.
+   */
+  setDeleteStyle(enable: boolean): void;
+
+  /** Dispose of this bubble. */
+  dispose(): void;
+}
diff --git a/core/interfaces/i_collapsible_toolbox_item.ts b/core/interfaces/i_collapsible_toolbox_item.ts
new file mode 100644
index 00000000000..0b591b4a6ff
--- /dev/null
+++ b/core/interfaces/i_collapsible_toolbox_item.ts
@@ -0,0 +1,33 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.ICollapsibleToolboxItem
+
+import type {ISelectableToolboxItem} from './i_selectable_toolbox_item.js';
+import type {IToolboxItem} from './i_toolbox_item.js';
+
+/**
+ * Interface for an item in the toolbox that can be collapsed.
+ */
+export interface ICollapsibleToolboxItem extends ISelectableToolboxItem {
+  /**
+   * Gets any children toolbox items. (ex. Gets the subcategories)
+   *
+   * @returns The child toolbox items.
+   */
+  getChildToolboxItems(): IToolboxItem[];
+
+  /**
+   * Whether the toolbox item is expanded to show its child subcategories.
+   *
+   * @returns True if the toolbox item shows its children, false if it is
+   *     collapsed.
+   */
+  isExpanded(): boolean;
+
+  /** Toggles whether or not the toolbox item is expanded. */
+  toggleExpanded(): void;
+}
diff --git a/core/interfaces/i_comment_icon.ts b/core/interfaces/i_comment_icon.ts
new file mode 100644
index 00000000000..09b071110dd
--- /dev/null
+++ b/core/interfaces/i_comment_icon.ts
@@ -0,0 +1,40 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {IconType} from '../icons/icon_types.js';
+import {CommentState} from '../icons/comment_icon.js';
+import {IIcon, isIcon} from './i_icon.js';
+import {Size} from '../utils/size.js';
+import {IHasBubble, hasBubble} from './i_has_bubble.js';
+import {ISerializable, isSerializable} from './i_serializable.js';
+
+export interface ICommentIcon extends IIcon, IHasBubble, ISerializable {
+  setText(text: string): void;
+
+  getText(): string;
+
+  setBubbleSize(size: Size): void;
+
+  getBubbleSize(): Size;
+
+  saveState(): CommentState;
+
+  loadState(state: CommentState): void;
+}
+
+/** Checks whether the given object is an ICommentIcon. */
+export function isCommentIcon(obj: Object): obj is ICommentIcon {
+  return (
+    isIcon(obj) &&
+    hasBubble(obj) &&
+    isSerializable(obj) &&
+    (obj as any)['setText'] !== undefined &&
+    (obj as any)['getText'] !== undefined &&
+    (obj as any)['setBubbleSize'] !== undefined &&
+    (obj as any)['getBubbleSize'] !== undefined &&
+    obj.getType() === IconType.COMMENT
+  );
+}
diff --git a/core/interfaces/i_component.ts b/core/interfaces/i_component.ts
new file mode 100644
index 00000000000..03f4b1fd2bf
--- /dev/null
+++ b/core/interfaces/i_component.ts
@@ -0,0 +1,19 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.IComponent
+
+/**
+ * The interface for a workspace component that can be registered with the
+ * ComponentManager.
+ */
+export interface IComponent {
+  /**
+   * The unique ID for this component that is used to register with the
+   * ComponentManager.
+   */
+  id: string;
+}
diff --git a/core/interfaces/i_connection_checker.js b/core/interfaces/i_connection_checker.js
deleted file mode 100644
index 505401666d2..00000000000
--- a/core/interfaces/i_connection_checker.js
+++ /dev/null
@@ -1,94 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for an object that encapsulates logic for
- * checking whether a potential connection is safe and valid.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.IConnectionChecker');
-
-goog.requireType('Blockly.Connection');
-
-
-/**
- * Class for connection type checking logic.
- * @interface
- */
-Blockly.IConnectionChecker = function() {};
-
-/**
- * Check whether the current connection can connect with the target
- * connection.
- * @param {Blockly.Connection} a Connection to check compatibility with.
- * @param {Blockly.Connection} b Connection to check compatibility with.
- * @param {boolean} isDragging True if the connection is being made by dragging
- *     a block.
- * @param {number=} opt_distance The max allowable distance between the
- *     connections for drag checks.
- * @return {boolean} Whether the connection is legal.
- * @public
- */
-Blockly.IConnectionChecker.prototype.canConnect;
-
-/**
- * Checks whether the current connection can connect with the target
- * connection, and return an error code if there are problems.
- * @param {Blockly.Connection} a Connection to check compatibility with.
- * @param {Blockly.Connection} b Connection to check compatibility with.
- * @param {boolean} isDragging True if the connection is being made by dragging
- *     a block.
- * @param {number=} opt_distance The max allowable distance between the
- *     connections for drag checks.
- * @return {number} Blockly.Connection.CAN_CONNECT if the connection is legal,
- *    an error code otherwise.
- * @public
- */
-Blockly.IConnectionChecker.prototype.canConnectWithReason;
-
-/**
- * Helper method that translates a connection error code into a string.
- * @param {number} errorCode The error code.
- * @param {Blockly.Connection} a One of the two connections being checked.
- * @param {Blockly.Connection} b The second of the two connections being
- *     checked.
- * @return {string} A developer-readable error string.
- * @public
- */
-Blockly.IConnectionChecker.prototype.getErrorMessage;
-
-/**
- * Check that connecting the given connections is safe, meaning that it would
- * not break any of Blockly's basic assumptions (e.g. no self connections).
- * @param {Blockly.Connection} a The first of the connections to check.
- * @param {Blockly.Connection} b The second of the connections to check.
- * @return {number} An enum with the reason this connection is safe or unsafe.
- * @public
- */
-Blockly.IConnectionChecker.prototype.doSafetyChecks;
-
-/**
- * Check whether this connection is compatible with another connection with
- * respect to the value type system.  E.g. square_root("Hello") is not
- * compatible.
- * @param {!Blockly.Connection} a Connection to compare.
- * @param {!Blockly.Connection} b Connection to compare against.
- * @return {boolean} True if the connections share a type.
- * @public
- */
-Blockly.IConnectionChecker.prototype.doTypeChecks;
-
-/**
- * Check whether this connection can be made by dragging.
- * @param {!Blockly.RenderedConnection} a Connection to compare.
- * @param {!Blockly.RenderedConnection} b Connection to compare against.
- * @param {number} distance The maximum allowable distance between connections.
- * @return {boolean} True if the connection is allowed during a drag.
- * @public
- */
-Blockly.IConnectionChecker.prototype.doDragChecks;
diff --git a/core/interfaces/i_connection_checker.ts b/core/interfaces/i_connection_checker.ts
new file mode 100644
index 00000000000..8bb0fcc7393
--- /dev/null
+++ b/core/interfaces/i_connection_checker.ts
@@ -0,0 +1,100 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {Connection} from '../connection.js';
+import type {RenderedConnection} from '../rendered_connection.js';
+// Former goog.module ID: Blockly.IConnectionChecker
+
+/**
+ * Class for connection type checking logic.
+ */
+export interface IConnectionChecker {
+  /**
+   * Check whether the current connection can connect with the target
+   * connection.
+   *
+   * @param a Connection to check compatibility with.
+   * @param b Connection to check compatibility with.
+   * @param isDragging True if the connection is being made by dragging a block.
+   * @param opt_distance The max allowable distance between the connections for
+   *     drag checks.
+   * @returns Whether the connection is legal.
+   */
+  canConnect(
+    a: Connection | null,
+    b: Connection | null,
+    isDragging: boolean,
+    opt_distance?: number,
+  ): boolean;
+
+  /**
+   * Checks whether the current connection can connect with the target
+   * connection, and return an error code if there are problems.
+   *
+   * @param a Connection to check compatibility with.
+   * @param b Connection to check compatibility with.
+   * @param isDragging True if the connection is being made by dragging a block.
+   * @param opt_distance The max allowable distance between the connections for
+   *     drag checks.
+   * @returns Connection.CAN_CONNECT if the connection is legal, an error code
+   *     otherwise.
+   */
+  canConnectWithReason(
+    a: Connection | null,
+    b: Connection | null,
+    isDragging: boolean,
+    opt_distance?: number,
+  ): number;
+
+  /**
+   * Helper method that translates a connection error code into a string.
+   *
+   * @param errorCode The error code.
+   * @param a One of the two connections being checked.
+   * @param b The second of the two connections being checked.
+   * @returns A developer-readable error string.
+   */
+  getErrorMessage(
+    errorCode: number,
+    a: Connection | null,
+    b: Connection | null,
+  ): string;
+
+  /**
+   * Check that connecting the given connections is safe, meaning that it would
+   * not break any of Blockly's basic assumptions (e.g. no self connections).
+   *
+   * @param a The first of the connections to check.
+   * @param b The second of the connections to check.
+   * @returns An enum with the reason this connection is safe or unsafe.
+   */
+  doSafetyChecks(a: Connection | null, b: Connection | null): number;
+
+  /**
+   * Check whether this connection is compatible with another connection with
+   * respect to the value type system.  E.g. square_root("Hello") is not
+   * compatible.
+   *
+   * @param a Connection to compare.
+   * @param b Connection to compare against.
+   * @returns True if the connections share a type.
+   */
+  doTypeChecks(a: Connection, b: Connection): boolean;
+
+  /**
+   * Check whether this connection can be made by dragging.
+   *
+   * @param a Connection to compare.
+   * @param b Connection to compare against.
+   * @param distance The maximum allowable distance between connections.
+   * @returns True if the connection is allowed during a drag.
+   */
+  doDragChecks(
+    a: RenderedConnection,
+    b: RenderedConnection,
+    distance: number,
+  ): boolean;
+}
diff --git a/core/interfaces/i_connection_previewer.ts b/core/interfaces/i_connection_previewer.ts
new file mode 100644
index 00000000000..df7906a29dc
--- /dev/null
+++ b/core/interfaces/i_connection_previewer.ts
@@ -0,0 +1,50 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {BlockSvg} from '../block_svg';
+import type {RenderedConnection} from '../rendered_connection';
+
+/**
+ * Displays visual "previews" of where a block will be connected if it is
+ * dropped.
+ */
+export interface IConnectionPreviewer {
+  /**
+   * Display a connection preview where the draggedCon connects to the
+   * staticCon, replacing the replacedBlock (currently connected to the
+   * staticCon).
+   *
+   * @param draggedCon The connection on the block stack being dragged.
+   * @param staticCon The connection not being dragged that we are
+   *     connecting to.
+   * @param replacedBlock The block currently connected to the staticCon that
+   *     is being replaced.
+   */
+  previewReplacement(
+    draggedConn: RenderedConnection,
+    staticConn: RenderedConnection,
+    replacedBlock: BlockSvg,
+  ): void;
+
+  /**
+   * Display a connection preview where the draggedCon connects to the
+   * staticCon, and no block is being relaced.
+   *
+   * @param draggedCon The connection on the block stack being dragged.
+   * @param staticCon The connection not being dragged that we are
+   *     connecting to.
+   */
+  previewConnection(
+    draggedConn: RenderedConnection,
+    staticConn: RenderedConnection,
+  ): void;
+
+  /** Hide any previews that are currently displayed. */
+  hidePreview(): void;
+
+  /** Dispose of any references held by this connection previewer. */
+  dispose(): void;
+}
diff --git a/core/interfaces/i_contextmenu.js b/core/interfaces/i_contextmenu.js
deleted file mode 100644
index fcc406b05e8..00000000000
--- a/core/interfaces/i_contextmenu.js
+++ /dev/null
@@ -1,26 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for an object that supports a right-click.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-'use strict';
-
-goog.provide('Blockly.IContextMenu');
-
-
-/**
- * @interface
- */
-Blockly.IContextMenu = function() {};
-
-/**
- * Show the context menu for this object.
- * @param {!Event} e Mouse event.
- */
-Blockly.IContextMenu.prototype.showContextMenu;
diff --git a/core/interfaces/i_contextmenu.ts b/core/interfaces/i_contextmenu.ts
new file mode 100644
index 00000000000..cba71259fa1
--- /dev/null
+++ b/core/interfaces/i_contextmenu.ts
@@ -0,0 +1,16 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.IContextMenu
+
+export interface IContextMenu {
+  /**
+   * Show the context menu for this object.
+   *
+   * @param e Mouse event.
+   */
+  showContextMenu(e: Event): void;
+}
diff --git a/core/interfaces/i_copyable.js b/core/interfaces/i_copyable.js
deleted file mode 100644
index 4aeac977649..00000000000
--- a/core/interfaces/i_copyable.js
+++ /dev/null
@@ -1,40 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for an object that is copyable.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-'use strict';
-
-goog.provide('Blockly.ICopyable');
-
-goog.requireType('Blockly.ISelectable');
-goog.requireType('Blockly.WorkspaceSvg');
-
-
-/**
- * @extends {Blockly.ISelectable}
- * @interface
- */
-Blockly.ICopyable = function() {};
-
-/**
- * Encode for copying.
- * @return {?Blockly.ICopyable.CopyData} Copy metadata.
- */
-Blockly.ICopyable.prototype.toCopyData;
-
-/**
- * Copy Metadata.
- * @typedef {{
- *            xml:!Element,
- *            source:Blockly.WorkspaceSvg,
- *            typeCounts:?Object
- *          }}
- */
-Blockly.ICopyable.CopyData;
diff --git a/core/interfaces/i_copyable.ts b/core/interfaces/i_copyable.ts
new file mode 100644
index 00000000000..b653bd20a10
--- /dev/null
+++ b/core/interfaces/i_copyable.ts
@@ -0,0 +1,31 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.ICopyable
+
+import type {ISelectable} from './i_selectable.js';
+
+export interface ICopyable<T extends ICopyData> extends ISelectable {
+  /**
+   * Encode for copying.
+   *
+   * @returns Copy metadata.
+   */
+  toCopyData(): T | null;
+}
+
+export namespace ICopyable {
+  export interface ICopyData {
+    paster: string;
+  }
+}
+
+export type ICopyData = ICopyable.ICopyData;
+
+/** @returns true if the given object is copyable. */
+export function isCopyable(obj: any): obj is ICopyable<ICopyData> {
+  return obj.toCopyData !== undefined;
+}
diff --git a/core/interfaces/i_deletable.js b/core/interfaces/i_deletable.js
deleted file mode 100644
index 8e85248630f..00000000000
--- a/core/interfaces/i_deletable.js
+++ /dev/null
@@ -1,27 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for an object that is deletable.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-'use strict';
-
-goog.provide('Blockly.IDeletable');
-
-
-/**
- * The interface for an object that can be deleted.
- * @interface
- */
-Blockly.IDeletable = function() {};
-
-/**
- * Get whether this object is deletable or not.
- * @return {boolean} True if deletable.
- */
-Blockly.IDeletable.prototype.isDeletable;
diff --git a/core/interfaces/i_deletable.ts b/core/interfaces/i_deletable.ts
new file mode 100644
index 00000000000..0467709409a
--- /dev/null
+++ b/core/interfaces/i_deletable.ts
@@ -0,0 +1,34 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.IDeletable
+
+/**
+ * The interface for an object that can be deleted.
+ */
+export interface IDeletable {
+  /**
+   * Get whether this object is deletable or not.
+   *
+   * @returns True if deletable.
+   */
+  isDeletable(): boolean;
+
+  /** Disposes of this object, cleaning up any references or DOM elements. */
+  dispose(): void;
+
+  /** Visually indicates that the object is pending deletion. */
+  setDeleteStyle(wouldDelete: boolean): void;
+}
+
+/** Returns whether the given object is an IDeletable. */
+export function isDeletable(obj: any): obj is IDeletable {
+  return (
+    obj['isDeletable'] !== undefined &&
+    obj['dispose'] !== undefined &&
+    obj['setDeleteStyle'] !== undefined
+  );
+}
diff --git a/core/interfaces/i_delete_area.ts b/core/interfaces/i_delete_area.ts
new file mode 100644
index 00000000000..86d2673bbf8
--- /dev/null
+++ b/core/interfaces/i_delete_area.ts
@@ -0,0 +1,28 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.IDeleteArea
+
+import type {IDragTarget} from './i_drag_target.js';
+import type {IDraggable} from './i_draggable.js';
+
+/**
+ * Interface for a component that can delete a block or bubble that is dropped
+ * on top of it.
+ */
+export interface IDeleteArea extends IDragTarget {
+  /**
+   * Returns whether the provided block or bubble would be deleted if dropped on
+   * this area.
+   * This method should check if the element is deletable and is always called
+   * before onDragEnter/onDragOver/onDragExit.
+   *
+   * @param element The block or bubble currently being dragged.
+   * @returns Whether the element provided would be deleted if dropped on this
+   *     area.
+   */
+  wouldDelete(element: IDraggable): boolean;
+}
diff --git a/core/interfaces/i_deletearea.js b/core/interfaces/i_deletearea.js
deleted file mode 100644
index 3ca0f083d6c..00000000000
--- a/core/interfaces/i_deletearea.js
+++ /dev/null
@@ -1,28 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for a component that can delete a block that is
- *   dropped on top of it.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-
-'use strict';
-
-goog.provide('Blockly.IDeleteArea');
-
-
-/**
- * Interface for a component that can delete a block that is dropped on top of it.
- * @interface
- */
-Blockly.IDeleteArea = function() {};
-
-/**
- * Return the deletion rectangle.
- * @return {Blockly.utils.Rect} Rectangle in which to delete.
- */
-Blockly.IDeleteArea.prototype.getClientRect;
diff --git a/core/interfaces/i_drag_target.ts b/core/interfaces/i_drag_target.ts
new file mode 100644
index 00000000000..3fa060232be
--- /dev/null
+++ b/core/interfaces/i_drag_target.ts
@@ -0,0 +1,69 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {Rect} from '../utils/rect.js';
+
+import {IDraggable} from './i_draggable.js';
+
+// Former goog.module ID: Blockly.IDragTarget
+
+import type {IComponent} from './i_component.js';
+
+/**
+ * Interface for a component with custom behaviour when a block or bubble is
+ * dragged over or dropped on top of it.
+ */
+export interface IDragTarget extends IComponent {
+  /**
+   * Returns the bounding rectangle of the drag target area in pixel units
+   * relative to viewport.
+   *
+   * @returns The component's bounding box. Null if drag target area should be
+   *     ignored.
+   */
+  getClientRect(): Rect | null;
+
+  /**
+   * Handles when a cursor with a block or bubble enters this drag target.
+   *
+   * @param dragElement The block or bubble currently being dragged.
+   */
+  onDragEnter(dragElement: IDraggable): void;
+
+  /**
+   * Handles when a cursor with a block or bubble is dragged over this drag
+   * target.
+   *
+   * @param dragElement The block or bubble currently being dragged.
+   */
+  onDragOver(dragElement: IDraggable): void;
+
+  /**
+   * Handles when a cursor with a block or bubble exits this drag target.
+   *
+   * @param dragElement The block or bubble currently being dragged.
+   */
+  onDragExit(dragElement: IDraggable): void;
+
+  /**
+   * Handles when a block or bubble is dropped on this component.
+   * Should not handle delete here.
+   *
+   * @param dragElement The block or bubble currently being dragged.
+   */
+  onDrop(dragElement: IDraggable): void;
+
+  /**
+   * Returns whether the provided block or bubble should not be moved after
+   * being dropped on this component. If true, the element will return to where
+   * it was when the drag started.
+   *
+   * @param dragElement The block or bubble currently being dragged.
+   * @returns Whether the block or bubble provided should be returned to drag
+   *     start.
+   */
+  shouldPreventMove(dragElement: IDraggable): boolean;
+}
diff --git a/core/interfaces/i_draggable.ts b/core/interfaces/i_draggable.ts
new file mode 100644
index 00000000000..cb723e7b88b
--- /dev/null
+++ b/core/interfaces/i_draggable.ts
@@ -0,0 +1,72 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {Coordinate} from '../utils/coordinate';
+
+/**
+ * Represents an object that can be dragged.
+ */
+export interface IDraggable extends IDragStrategy {
+  /**
+   * Returns the current location of the draggable in workspace
+   * coordinates.
+   *
+   * @returns Coordinate of current location on workspace.
+   */
+  getRelativeToSurfaceXY(): Coordinate;
+}
+
+export interface IDragStrategy {
+  /** Returns true iff the element is currently movable. */
+  isMovable(): boolean;
+
+  /**
+   * Handles any drag startup (e.g moving elements to the front of the
+   * workspace).
+   *
+   * @param e PointerEvent that started the drag; can be used to
+   *     check modifier keys, etc.  May be missing when dragging is
+   *     triggered programatically rather than by user.
+   */
+  startDrag(e?: PointerEvent): void;
+
+  /**
+   * Handles moving elements to the new location, and updating any
+   * visuals based on that (e.g connection previews for blocks).
+   *
+   * @param newLoc Workspace coordinate to which the draggable has
+   *     been dragged.
+   * @param e PointerEvent that continued the drag.  Can be
+   *     used to check modifier keys, etc.
+   */
+  drag(newLoc: Coordinate, e?: PointerEvent): void;
+
+  /**
+   * Handles any drag cleanup, including e.g. connecting or deleting
+   * blocks.
+   *
+   * @param newLoc Workspace coordinate at which the drag finished.
+   *     been dragged.
+   * @param e PointerEvent that finished the drag.  Can be
+   *     used to check modifier keys, etc.
+   */
+  endDrag(e?: PointerEvent): void;
+
+  /** Moves the draggable back to where it was at the start of the drag. */
+  revertDrag(): void;
+}
+
+/** Returns whether the given object is an IDraggable or not. */
+export function isDraggable(obj: any): obj is IDraggable {
+  return (
+    obj.getRelativeToSurfaceXY !== undefined &&
+    obj.isMovable !== undefined &&
+    obj.startDrag !== undefined &&
+    obj.drag !== undefined &&
+    obj.endDrag !== undefined &&
+    obj.revertDrag !== undefined
+  );
+}
diff --git a/core/interfaces/i_dragger.ts b/core/interfaces/i_dragger.ts
new file mode 100644
index 00000000000..1e8ad0ab6c4
--- /dev/null
+++ b/core/interfaces/i_dragger.ts
@@ -0,0 +1,35 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {Coordinate} from '../utils/coordinate';
+
+export interface IDragger {
+  /**
+   * Handles any drag startup.
+   *
+   * @param e PointerEvent that started the drag.
+   */
+  onDragStart(e: PointerEvent): void;
+
+  /**
+   * Handles dragging, including calculating where the element should
+   * actually be moved to.
+   *
+   * @param e PointerEvent that continued the drag.
+   * @param totalDelta The total distance, in pixels, that the mouse
+   *     has moved since the start of the drag.
+   */
+  onDrag(e: PointerEvent, totalDelta: Coordinate): void;
+
+  /**
+   * Handles any drag cleanup.
+   *
+   * @param e PointerEvent that finished the drag.
+   * @param totalDelta The total distance, in pixels, that the mouse
+   *     has moved since the start of the drag.
+   */
+  onDragEnd(e: PointerEvent, totalDelta: Coordinate): void;
+}
diff --git a/core/interfaces/i_flyout.js b/core/interfaces/i_flyout.js
deleted file mode 100644
index 37ffeaba354..00000000000
--- a/core/interfaces/i_flyout.js
+++ /dev/null
@@ -1,178 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for a flyout.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-
-'use strict';
-
-goog.provide('Blockly.IFlyout');
-
-goog.requireType('Blockly.BlockSvg');
-goog.requireType('Blockly.IRegistrable');
-goog.requireType('Blockly.utils.dom');
-goog.requireType('Blockly.utils.Coordinate');
-goog.requireType('Blockly.utils.Svg');
-goog.requireType('Blockly.utils.toolbox');
-goog.requireType('Blockly.WorkspaceSvg');
-
-
-/**
- * Interface for a flyout.
- * @extends {Blockly.IRegistrable}
- * @interface
- */
-Blockly.IFlyout = function() {};
-
-/**
- * Whether the flyout is laid out horizontally or not.
- * @type {boolean}
- */
-Blockly.IFlyout.prototype.horizontalLayout;
-
-/**
- * Is RTL vs LTR.
- * @type {boolean}
- */
-Blockly.IFlyout.prototype.RTL;
-
-/**
- * The target workspace
- * @type {?Blockly.WorkspaceSvg}
- */
-Blockly.IFlyout.prototype.targetWorkspace;
-
-/**
- * Margin around the edges of the blocks in the flyout.
- * @type {number}
- * @const
- */
-Blockly.IFlyout.prototype.MARGIN;
-
-/**
- * Does the flyout automatically close when a block is created?
- * @type {boolean}
- */
-Blockly.IFlyout.prototype.autoClose;
-
-/**
- * Corner radius of the flyout background.
- * @type {number}
- * @const
- */
-Blockly.IFlyout.prototype.CORNER_RADIUS;
-
-/**
- * Creates the flyout's DOM.  Only needs to be called once.  The flyout can
- * either exist as its own svg element or be a g element nested inside a
- * separate svg element.
- * @param {string|
- * !Blockly.utils.Svg<!SVGSVGElement>|
- * !Blockly.utils.Svg<!SVGGElement>} tagName The type of tag to
- *     put the flyout in. This should be <svg> or <g>.
- * @return {!SVGElement} The flyout's SVG group.
- */
-Blockly.IFlyout.prototype.createDom;
-
-/**
- * Initializes the flyout.
- * @param {!Blockly.WorkspaceSvg} targetWorkspace The workspace in which to
- *     create new blocks.
- */
-Blockly.IFlyout.prototype.init;
-
-/**
- * Dispose of this flyout.
- * Unlink from all DOM elements to prevent memory leaks.
- */
-Blockly.IFlyout.prototype.dispose;
-
-/**
- * Get the width of the flyout.
- * @return {number} The width of the flyout.
- */
-Blockly.IFlyout.prototype.getWidth;
-
-/**
- * Get the height of the flyout.
- * @return {number} The width of the flyout.
- */
-Blockly.IFlyout.prototype.getHeight;
-
-/**
- * Get the workspace inside the flyout.
- * @return {!Blockly.WorkspaceSvg} The workspace inside the flyout.
- */
-Blockly.IFlyout.prototype.getWorkspace;
-
-/**
- * Is the flyout visible?
- * @return {boolean} True if visible.
- */
-Blockly.IFlyout.prototype.isVisible;
-
-/**
- * Set whether the flyout is visible. A value of true does not necessarily mean
- * that the flyout is shown. It could be hidden because its container is hidden.
- * @param {boolean} visible True if visible.
- */
-Blockly.IFlyout.prototype.setVisible;
-
-/**
- * Set whether this flyout's container is visible.
- * @param {boolean} visible Whether the container is visible.
- */
-Blockly.IFlyout.prototype.setContainerVisible;
-
-/**
- * Hide and empty the flyout.
- */
-Blockly.IFlyout.prototype.hide;
-
-/**
- * Show and populate the flyout.
- * @param {!Blockly.utils.toolbox.FlyoutDefinition|string} flyoutDef Contents to
- *     display in the flyout. This is either an array of Nodes, a NodeList, a
- *     toolbox definition, or a string with the name of the dynamic category.
- */
-Blockly.IFlyout.prototype.show;
-
-/**
- * Create a copy of this block on the workspace.
- * @param {!Blockly.BlockSvg} originalBlock The block to copy from the flyout.
- * @return {!Blockly.BlockSvg} The newly created block.
- * @throws {Error} if something went wrong with deserialization.
- */
-Blockly.IFlyout.prototype.createBlock;
-
-/**
- * Reflow blocks and their mats.
- */
-Blockly.IFlyout.prototype.reflow;
-
-/**
- * @return {boolean} True if this flyout may be scrolled with a scrollbar or by
- *     dragging.
- */
-Blockly.IFlyout.prototype.isScrollable;
-
-/**
- * Position the flyout.
- * @return {void}
- */
-Blockly.IFlyout.prototype.position;
-
-/**
- * Determine if a drag delta is toward the workspace, based on the position
- * and orientation of the flyout. This is used in determineDragIntention_ to
- * determine if a new block should be created or if the flyout should scroll.
- * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
- *     moved from the position at mouse down, in pixel units.
- * @return {boolean} True if the drag is toward the workspace.
- */
-Blockly.IFlyout.prototype.isDragTowardWorkspace;
diff --git a/core/interfaces/i_flyout.ts b/core/interfaces/i_flyout.ts
new file mode 100644
index 00000000000..84067f755d2
--- /dev/null
+++ b/core/interfaces/i_flyout.ts
@@ -0,0 +1,189 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.IFlyout
+
+import type {WorkspaceSvg} from '../workspace_svg.js';
+import type {BlockSvg} from '../block_svg.js';
+import type {Coordinate} from '../utils/coordinate.js';
+import type {FlyoutDefinition} from '../utils/toolbox.js';
+import type {Svg} from '../utils/svg.js';
+import type {IRegistrable} from './i_registrable.js';
+import {FlyoutItem} from '../flyout_base.js';
+
+/**
+ * Interface for a flyout.
+ */
+export interface IFlyout extends IRegistrable {
+  /** Whether the flyout is laid out horizontally or not. */
+  horizontalLayout: boolean;
+
+  /** Is RTL vs LTR. */
+  RTL: boolean;
+
+  /** The target workspace */
+  targetWorkspace: WorkspaceSvg | null;
+
+  /** Margin around the edges of the blocks in the flyout. */
+  readonly MARGIN: number;
+
+  /** Does the flyout automatically close when a block is created? */
+  autoClose: boolean;
+
+  /** Corner radius of the flyout background. */
+  readonly CORNER_RADIUS: number;
+
+  /**
+   * Creates the flyout's DOM.  Only needs to be called once.  The flyout can
+   * either exist as its own svg element or be a g element nested inside a
+   * separate svg element.
+   *
+   * @param tagName The type of tag to put the flyout in. This should be <svg>
+   *     or <g>.
+   * @returns The flyout's SVG group.
+   */
+  createDom(
+    tagName: string | Svg<SVGSVGElement> | Svg<SVGGElement>,
+  ): SVGElement;
+
+  /**
+   * Initializes the flyout.
+   *
+   * @param targetWorkspace The workspace in which to create new blocks.
+   */
+  init(targetWorkspace: WorkspaceSvg): void;
+
+  /**
+   * Dispose of this flyout.
+   * Unlink from all DOM elements to prevent memory leaks.
+   */
+  dispose(): void;
+
+  /**
+   * Get the width of the flyout.
+   *
+   * @returns The width of the flyout.
+   */
+  getWidth(): number;
+
+  /**
+   * Get the height of the flyout.
+   *
+   * @returns The height of the flyout.
+   */
+  getHeight(): number;
+
+  /**
+   * Get the workspace inside the flyout.
+   *
+   * @returns The workspace inside the flyout.
+   */
+  getWorkspace(): WorkspaceSvg;
+
+  /**
+   * Is the flyout visible?
+   *
+   * @returns True if visible.
+   */
+  isVisible(): boolean;
+
+  /**
+   * Set whether the flyout is visible. A value of true does not necessarily
+   * mean that the flyout is shown. It could be hidden because its container is
+   * hidden.
+   *
+   * @param visible True if visible.
+   */
+  setVisible(visible: boolean): void;
+
+  /**
+   * Set whether this flyout's container is visible.
+   *
+   * @param visible Whether the container is visible.
+   */
+  setContainerVisible(visible: boolean): void;
+
+  /** Hide and empty the flyout. */
+  hide(): void;
+
+  /**
+   * Show and populate the flyout.
+   *
+   * @param flyoutDef Contents to display in the flyout. This is either an array
+   *     of Nodes, a NodeList, a toolbox definition, or a string with the name
+   *     of the dynamic category.
+   */
+  show(flyoutDef: FlyoutDefinition | string): void;
+
+  /**
+   * Returns the list of flyout items currently present in the flyout.
+   * The `show` method parses the flyout definition into a list of actual
+   * flyout items. This method should return those concrete items, which
+   * may be used for e.g. keyboard navigation.
+   *
+   * @returns List of flyout items.
+   */
+  getContents(): FlyoutItem[];
+
+  /**
+   * Create a copy of this block on the workspace.
+   *
+   * @param originalBlock The block to copy from the flyout.
+   * @returns The newly created block.
+   * @throws {Error} if something went wrong with deserialization.
+   */
+  createBlock(originalBlock: BlockSvg): BlockSvg;
+
+  /** Reflow blocks and their mats. */
+  reflow(): void;
+
+  /**
+   * @returns True if this flyout may be scrolled with a scrollbar or by
+   *     dragging.
+   */
+  isScrollable(): boolean;
+
+  /**
+   * Calculates the x coordinate for the flyout position.
+   *
+   * @returns X coordinate.
+   */
+  getX(): number;
+
+  /**
+   * Calculates the y coordinate for the flyout position.
+   *
+   * @returns Y coordinate.
+   */
+  getY(): number;
+
+  /** Position the flyout. */
+  position(): void;
+
+  /**
+   * Determine if a drag delta is toward the workspace, based on the position
+   * and orientation of the flyout. This is used in determineDragIntention_ to
+   * determine if a new block should be created or if the flyout should scroll.
+   *
+   * @param currentDragDeltaXY How far the pointer has moved from the position
+   *     at mouse down, in pixel units.
+   * @returns True if the drag is toward the workspace.
+   */
+  isDragTowardWorkspace(currentDragDeltaXY: Coordinate): boolean;
+
+  /**
+   * Does this flyout allow you to create a new instance of the given block?
+   * Used for deciding if a block can be "dragged out of" the flyout.
+   *
+   * @param block The block to copy from the flyout.
+   * @returns True if you can create a new instance of the block, false
+   *     otherwise.
+   */
+  isBlockCreatable(block: BlockSvg): boolean;
+
+  /** Scroll the flyout to the beginning of its contents. */
+  scrollToStart(): void;
+}
diff --git a/core/interfaces/i_has_bubble.ts b/core/interfaces/i_has_bubble.ts
new file mode 100644
index 00000000000..276feff21e2
--- /dev/null
+++ b/core/interfaces/i_has_bubble.ts
@@ -0,0 +1,20 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export interface IHasBubble {
+  /** @returns True if the bubble is currently open, false otherwise. */
+  bubbleIsVisible(): boolean;
+
+  /** Sets whether the bubble is open or not. */
+  setBubbleVisible(visible: boolean): Promise<void>;
+}
+
+/** Type guard that checks whether the given object is a IHasBubble. */
+export function hasBubble(obj: any): obj is IHasBubble {
+  return (
+    obj.bubbleIsVisible !== undefined && obj.setBubbleVisible !== undefined
+  );
+}
diff --git a/core/interfaces/i_icon.ts b/core/interfaces/i_icon.ts
new file mode 100644
index 00000000000..a6159985f91
--- /dev/null
+++ b/core/interfaces/i_icon.ts
@@ -0,0 +1,114 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {IconType} from '../icons/icon_types.js';
+import type {Coordinate} from '../utils/coordinate.js';
+import type {Size} from '../utils/size.js';
+
+export interface IIcon {
+  /**
+   * @returns the IconType representing the type of the icon. This value should
+   *     also be used to register the icon via `Blockly.icons.registry.register`.
+   */
+  getType(): IconType<IIcon>;
+
+  /**
+   * Creates the SVG elements for the icon that will live on the block.
+   *
+   * @param pointerdownListener An event listener that must be attached to the
+   *     root SVG element by the implementation of `initView`. Used by Blockly's
+   *     gesture system to properly handle clicks and drags.
+   */
+  initView(pointerdownListener: (e: PointerEvent) => void): void;
+
+  /**
+   * Disposes of any elements of the icon.
+   *
+   * @remarks
+   *
+   * In particular, if this icon is currently showing a bubble, this should be
+   * used to hide it.
+   */
+  dispose(): void;
+
+  /**
+   * @returns the "weight" of the icon, which determines the static order which
+   *     icons should be rendered in. More positive numbers are rendered farther
+   *     toward the end of the block.
+   */
+  getWeight(): number;
+
+  /** @returns The dimensions of the icon for use in rendering. */
+  getSize(): Size;
+
+  /** Updates the icon's color when the block's color changes.. */
+  applyColour(): void;
+
+  /** Hides the icon when it is part of an insertion marker. */
+  hideForInsertionMarker(): void;
+
+  /** Updates the icon's editability when the block's editability changes. */
+  updateEditable(): void;
+
+  /**
+   * Updates the icon's collapsed-ness/view when the block's collapsed-ness
+   * changes.
+   */
+  updateCollapsed(): void;
+
+  /**
+   * @returns Whether this icon is shown when the block is collapsed. Used
+   *     to allow renderers to account for padding.
+   */
+  isShownWhenCollapsed(): boolean;
+
+  /**
+   * Notifies the icon where it is relative to its block's top-start, in
+   * workspace units.
+   */
+  setOffsetInBlock(offset: Coordinate): void;
+
+  /**
+   * Notifies the icon that it has changed locations.
+   *
+   * @param blockOrigin The location of this icon's block's top-start corner
+   *     in workspace coordinates.
+   */
+  onLocationChange(blockOrigin: Coordinate): void;
+
+  /**
+   * Notifies the icon that it has been clicked.
+   */
+  onClick(): void;
+
+  /**
+   * Check whether the icon should be clickable while the block is in a flyout.
+   * If this function is not defined, the icon will be clickable in all flyouts.
+   *
+   * @param autoClosingFlyout true if the containing flyout is an auto-closing one.
+   * @returns Whether the icon should be clickable while the block is in a flyout.
+   */
+  isClickableInFlyout?(autoClosingFlyout: boolean): boolean;
+}
+
+/** Type guard that checks whether the given object is an IIcon. */
+export function isIcon(obj: any): obj is IIcon {
+  return (
+    obj.getType !== undefined &&
+    obj.initView !== undefined &&
+    obj.dispose !== undefined &&
+    obj.getWeight !== undefined &&
+    obj.getSize !== undefined &&
+    obj.applyColour !== undefined &&
+    obj.hideForInsertionMarker !== undefined &&
+    obj.updateEditable !== undefined &&
+    obj.updateCollapsed !== undefined &&
+    obj.isShownWhenCollapsed !== undefined &&
+    obj.setOffsetInBlock !== undefined &&
+    obj.onLocationChange !== undefined &&
+    obj.onClick !== undefined
+  );
+}
diff --git a/core/interfaces/i_keyboard_accessible.ts b/core/interfaces/i_keyboard_accessible.ts
new file mode 100644
index 00000000000..50e85b08e9d
--- /dev/null
+++ b/core/interfaces/i_keyboard_accessible.ts
@@ -0,0 +1,21 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {KeyboardShortcut} from '../shortcut_registry.js';
+// Former goog.module ID: Blockly.IKeyboardAccessible
+
+/**
+ * An interface for an object that handles keyboard shortcuts.
+ */
+export interface IKeyboardAccessible {
+  /**
+   * Handles the given keyboard shortcut.
+   *
+   * @param shortcut The shortcut to be handled.
+   * @returns True if the shortcut has been handled, false otherwise.
+   */
+  onShortcut(shortcut: KeyboardShortcut): boolean;
+}
diff --git a/core/interfaces/i_legacy_procedure_blocks.ts b/core/interfaces/i_legacy_procedure_blocks.ts
new file mode 100644
index 00000000000..3bd7e19bf21
--- /dev/null
+++ b/core/interfaces/i_legacy_procedure_blocks.ts
@@ -0,0 +1,50 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Legacy means of representing a procedure signature. The elements are
+ * respectively: name, parameter names, and whether it has a return value.
+ */
+export type ProcedureTuple = [string, string[], boolean];
+
+/**
+ * Procedure block type.
+ *
+ * @internal
+ */
+export interface ProcedureBlock {
+  getProcedureCall: () => string;
+  renameProcedure: (p1: string, p2: string) => void;
+  getProcedureDef: () => ProcedureTuple;
+}
+
+/** @internal */
+export interface LegacyProcedureDefBlock {
+  getProcedureDef: () => ProcedureTuple;
+}
+
+/** @internal */
+export function isLegacyProcedureDefBlock(
+  block: Object,
+): block is LegacyProcedureDefBlock {
+  return (block as any).getProcedureDef !== undefined;
+}
+
+/** @internal */
+export interface LegacyProcedureCallBlock {
+  getProcedureCall: () => string;
+  renameProcedure: (p1: string, p2: string) => void;
+}
+
+/** @internal */
+export function isLegacyProcedureCallBlock(
+  block: Object,
+): block is LegacyProcedureCallBlock {
+  return (
+    (block as any).getProcedureCall !== undefined &&
+    (block as any).renameProcedure !== undefined
+  );
+}
diff --git a/core/interfaces/i_metrics_manager.ts b/core/interfaces/i_metrics_manager.ts
new file mode 100644
index 00000000000..52b9644dfb6
--- /dev/null
+++ b/core/interfaces/i_metrics_manager.ts
@@ -0,0 +1,149 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {
+  ContainerRegion,
+  ToolboxMetrics,
+  AbsoluteMetrics,
+  UiMetrics,
+} from '../metrics_manager.js';
+import type {Size} from '../utils/size.js';
+import type {Metrics} from '../utils/metrics.js';
+// Former goog.module ID: Blockly.IMetricsManager
+
+/**
+ * Interface for a metrics manager.
+ */
+export interface IMetricsManager {
+  /**
+   * Returns whether the scroll area has fixed edges.
+   *
+   * @returns Whether the scroll area has fixed edges.
+   * @internal
+   */
+  hasFixedEdges(): boolean;
+
+  /**
+   * Returns the metrics for the scroll area of the workspace.
+   *
+   * @param opt_getWorkspaceCoordinates True to get the scroll metrics in
+   *     workspace coordinates, false to get them in pixel coordinates.
+   * @param opt_viewMetrics The view metrics if they have been previously
+   *     computed. Passing in null may cause the view metrics to be computed
+   *     again, if it is needed.
+   * @param opt_contentMetrics The content metrics if they have been previously
+   *     computed. Passing in null may cause the content metrics to be computed
+   *     again, if it is needed.
+   * @returns The metrics for the scroll container
+   */
+  getScrollMetrics(
+    opt_getWorkspaceCoordinates?: boolean,
+    opt_viewMetrics?: ContainerRegion,
+    opt_contentMetrics?: ContainerRegion,
+  ): ContainerRegion;
+
+  /**
+   * Gets the width and the height of the flyout in pixel
+   * coordinates. By default, will get metrics for either a simple flyout (owned
+   * directly by the workspace) or for the flyout owned by the toolbox. If you
+   * pass `opt_own` as `true` then only metrics for the simple flyout will be
+   * returned, and it will return 0 for the width and height if the workspace
+   * has a category toolbox instead of a simple toolbox.
+   *
+   * @param opt_own Whether to only return the workspace's own flyout metrics.
+   * @returns The width and height of the flyout.
+   */
+  getFlyoutMetrics(opt_own?: boolean): ToolboxMetrics;
+
+  /**
+   * Gets the width, height and position of the toolbox on the workspace in
+   * pixel coordinates. Returns 0 for the width and height if the workspace has
+   * a simple toolbox instead of a category toolbox. To get the width and height
+   * of a simple toolbox, see {@link IMetricsManager#getFlyoutMetrics}.
+   *
+   * @returns The object with the width, height and position of the toolbox.
+   */
+  getToolboxMetrics(): ToolboxMetrics;
+
+  /**
+   * Gets the width and height of the workspace's parent SVG element in pixel
+   * coordinates. This area includes the toolbox and the visible workspace area.
+   *
+   * @returns The width and height of the workspace's parent SVG element.
+   */
+  getSvgMetrics(): Size;
+
+  /**
+   * Gets the absolute left and absolute top in pixel coordinates.
+   * This is where the visible workspace starts in relation to the SVG
+   * container.
+   *
+   * @returns The absolute metrics for the workspace.
+   */
+  getAbsoluteMetrics(): AbsoluteMetrics;
+
+  /**
+   * Gets the metrics for the visible workspace in either pixel or workspace
+   * coordinates. The visible workspace does not include the toolbox or flyout.
+   *
+   * @param opt_getWorkspaceCoordinates True to get the view metrics in
+   *     workspace coordinates, false to get them in pixel coordinates.
+   * @returns The width, height, top and left of the viewport in either
+   *     workspace coordinates or pixel coordinates.
+   */
+  getViewMetrics(opt_getWorkspaceCoordinates?: boolean): ContainerRegion;
+
+  /**
+   * Gets content metrics in either pixel or workspace coordinates.
+   * The content area is a rectangle around all the top bounded elements on the
+   * workspace (workspace comments and blocks).
+   *
+   * @param opt_getWorkspaceCoordinates True to get the content metrics in
+   *     workspace coordinates, false to get them in pixel coordinates.
+   * @returns The metrics for the content container.
+   */
+  getContentMetrics(opt_getWorkspaceCoordinates?: boolean): ContainerRegion;
+
+  /**
+   * Returns an object with all the metrics required to size scrollbars for a
+   * top level workspace.  The following properties are computed:
+   * Coordinate system: pixel coordinates, -left, -up, +right, +down
+   * .viewHeight: Height of the visible portion of the workspace.
+   * .viewWidth: Width of the visible portion of the workspace.
+   * .contentHeight: Height of the content.
+   * .contentWidth: Width of the content.
+   * .svgHeight: Height of the Blockly div (the view + the toolbox,
+   *    simple or otherwise),
+   * .svgWidth: Width of the Blockly div (the view + the toolbox,
+   *    simple or otherwise),
+   * .viewTop: Top-edge of the visible portion of the workspace, relative to
+   *     the workspace origin.
+   * .viewLeft: Left-edge of the visible portion of the workspace, relative to
+   *     the workspace origin.
+   * .contentTop: Top-edge of the content, relative to the workspace origin.
+   * .contentLeft: Left-edge of the content relative to the workspace origin.
+   * .absoluteTop: Top-edge of the visible portion of the workspace, relative
+   *     to the blocklyDiv.
+   * .absoluteLeft: Left-edge of the visible portion of the workspace, relative
+   *     to the blocklyDiv.
+   * .toolboxWidth: Width of the toolbox, if it exists.  Otherwise zero.
+   * .toolboxHeight: Height of the toolbox, if it exists.  Otherwise zero.
+   * .flyoutWidth: Width of the flyout if it is always open.  Otherwise zero.
+   * .flyoutHeight: Height of the flyout if it is always open.  Otherwise zero.
+   * .toolboxPosition: Top, bottom, left or right. Use TOOLBOX_AT constants to
+   *     compare.
+   *
+   * @returns Contains size and position metrics of a top level workspace.
+   */
+  getMetrics(): Metrics;
+
+  /**
+   * Returns common metrics used by UI elements.
+   *
+   * @returns The UI metrics.
+   */
+  getUiMetrics(): UiMetrics;
+}
diff --git a/core/interfaces/i_movable.js b/core/interfaces/i_movable.js
deleted file mode 100644
index bc0c3bf9f02..00000000000
--- a/core/interfaces/i_movable.js
+++ /dev/null
@@ -1,27 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for an object that is movable.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-'use strict';
-
-goog.provide('Blockly.IMovable');
-
-
-/**
- * The interface for an object that is movable.
- * @interface
- */
-Blockly.IMovable = function() {};
-
-/**
- * Get whether this is movable or not.
- * @return {boolean} True if movable.
- */
-Blockly.IMovable.prototype.isMovable;
diff --git a/core/interfaces/i_movable.ts b/core/interfaces/i_movable.ts
new file mode 100644
index 00000000000..cc2a2b727c3
--- /dev/null
+++ b/core/interfaces/i_movable.ts
@@ -0,0 +1,19 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.IMovable
+
+/**
+ * The interface for an object that is movable.
+ */
+export interface IMovable {
+  /**
+   * Get whether this is movable or not.
+   *
+   * @returns True if movable.
+   */
+  isMovable(): boolean;
+}
diff --git a/core/interfaces/i_observable.ts b/core/interfaces/i_observable.ts
new file mode 100644
index 00000000000..96a2a0bc4e8
--- /dev/null
+++ b/core/interfaces/i_observable.ts
@@ -0,0 +1,24 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * An object that fires events optionally.
+ *
+ * @internal
+ */
+export interface IObservable {
+  startPublishing(): void;
+  stopPublishing(): void;
+}
+
+/**
+ * Type guard for checking if an object fulfills IObservable.
+ *
+ * @internal
+ */
+export function isObservable(obj: any): obj is IObservable {
+  return obj.startPublishing !== undefined && obj.stopPublishing !== undefined;
+}
diff --git a/core/interfaces/i_parameter_model.ts b/core/interfaces/i_parameter_model.ts
new file mode 100644
index 00000000000..6b351b6b3a7
--- /dev/null
+++ b/core/interfaces/i_parameter_model.ts
@@ -0,0 +1,51 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {ParameterState} from '../serialization/procedures';
+import {IProcedureModel} from './i_procedure_model';
+
+/**
+ * A data model for a procedure.
+ */
+export interface IParameterModel {
+  /**
+   * Sets the name of this parameter to the given name.
+   */
+  setName(name: string): this;
+
+  /**
+   * Sets the types of this parameter to the given type.
+   */
+  setTypes(types: string[]): this;
+
+  /**
+   * Returns the name of this parameter.
+   */
+  getName(): string;
+
+  /**
+   * Return the types of this parameter.
+   */
+  getTypes(): string[];
+
+  /**
+   * Returns the unique language-neutral ID for the parameter.
+   *
+   * This represents the identify of the variable model which does not change
+   * over time.
+   */
+  getId(): string;
+
+  /** Sets the procedure model this parameter is associated with. */
+  setProcedureModel(model: IProcedureModel): this;
+
+  /**
+   * Serializes the state of the parameter to JSON.
+   *
+   * @returns JSON serializable state of the parameter.
+   */
+  saveState(): ParameterState;
+}
diff --git a/core/interfaces/i_paster.ts b/core/interfaces/i_paster.ts
new file mode 100644
index 00000000000..321ff118f70
--- /dev/null
+++ b/core/interfaces/i_paster.ts
@@ -0,0 +1,25 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {Coordinate} from '../utils/coordinate.js';
+import {WorkspaceSvg} from '../workspace_svg.js';
+import {ICopyable, ICopyData} from './i_copyable.js';
+
+/** An object that can paste data into a workspace. */
+export interface IPaster<U extends ICopyData, T extends ICopyable<U>> {
+  paste(
+    copyData: U,
+    workspace: WorkspaceSvg,
+    coordinate?: Coordinate,
+  ): T | null;
+}
+
+/** @returns True if the given object is a paster. */
+export function isPaster(
+  obj: any,
+): obj is IPaster<ICopyData, ICopyable<ICopyData>> {
+  return obj.paste !== undefined;
+}
diff --git a/core/interfaces/i_positionable.ts b/core/interfaces/i_positionable.ts
new file mode 100644
index 00000000000..19843d15333
--- /dev/null
+++ b/core/interfaces/i_positionable.ts
@@ -0,0 +1,33 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {Rect} from '../utils/rect.js';
+import type {UiMetrics} from '../metrics_manager.js';
+// Former goog.module ID: Blockly.IPositionable
+
+import type {IComponent} from './i_component.js';
+
+/**
+ * Interface for a component that is positioned on top of the workspace.
+ */
+export interface IPositionable extends IComponent {
+  /**
+   * Positions the element. Called when the window is resized.
+   *
+   * @param metrics The workspace metrics.
+   * @param savedPositions List of rectangles that are already on the workspace.
+   */
+  position(metrics: UiMetrics, savedPositions: Rect[]): void;
+
+  /**
+   * Returns the bounding rectangle of the UI element in pixel units relative to
+   * the Blockly injection div.
+   *
+   * @returns The UI elements's bounding box. Null if bounding box should be
+   *     ignored by other UI elements.
+   */
+  getBoundingRectangle(): Rect | null;
+}
diff --git a/core/interfaces/i_procedure_block.ts b/core/interfaces/i_procedure_block.ts
new file mode 100644
index 00000000000..3744eb18336
--- /dev/null
+++ b/core/interfaces/i_procedure_block.ts
@@ -0,0 +1,27 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {Block} from '../block.js';
+import {IProcedureModel} from './i_procedure_model.js';
+// Former goog.module ID: Blockly.procedures.IProcedureBlock
+
+/** The interface for a block which models a procedure. */
+export interface IProcedureBlock {
+  getProcedureModel(): IProcedureModel;
+  doProcedureUpdate(): void;
+  isProcedureDef(): boolean;
+}
+
+/** A type guard which checks if the given block is a procedure block. */
+export function isProcedureBlock(
+  block: Block | IProcedureBlock,
+): block is IProcedureBlock {
+  return (
+    (block as IProcedureBlock).getProcedureModel !== undefined &&
+    (block as IProcedureBlock).doProcedureUpdate !== undefined &&
+    (block as IProcedureBlock).isProcedureDef !== undefined
+  );
+}
diff --git a/core/interfaces/i_procedure_map.ts b/core/interfaces/i_procedure_map.ts
new file mode 100644
index 00000000000..e14d53a3384
--- /dev/null
+++ b/core/interfaces/i_procedure_map.ts
@@ -0,0 +1,18 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {IProcedureModel} from './i_procedure_model.js';
+
+export interface IProcedureMap extends Map<string, IProcedureModel> {
+  /**
+   * Adds the given ProcedureModel to the map of procedure models, so that
+   * blocks can find it.
+   */
+  add(proc: IProcedureModel): this;
+
+  /** Returns all of the procedures stored in this map. */
+  getProcedures(): IProcedureModel[];
+}
diff --git a/core/interfaces/i_procedure_model.ts b/core/interfaces/i_procedure_model.ts
new file mode 100644
index 00000000000..61026adaeca
--- /dev/null
+++ b/core/interfaces/i_procedure_model.ts
@@ -0,0 +1,71 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {State} from '../serialization/procedures.js';
+import {IParameterModel} from './i_parameter_model.js';
+
+/**
+ * A data model for a procedure.
+ */
+export interface IProcedureModel {
+  /** Sets the human-readable name of the procedure. */
+  setName(name: string): this;
+
+  /**
+   * Inserts a parameter into the list of parameters.
+   *
+   * To move a parameter, first delete it, and then re-insert.
+   */
+  insertParameter(parameterModel: IParameterModel, index: number): this;
+
+  /** Removes the parameter at the given index from the parameter list. */
+  deleteParameter(index: number): this;
+
+  /**
+   * Sets the return type(s) of the procedure.
+   *
+   * Pass null to represent a procedure that does not return.
+   */
+  setReturnTypes(types: string[] | null): this;
+
+  /**
+   * Sets whether this procedure is enabled/disabled. If a procedure is disabled
+   * all procedure caller blocks should be disabled as well.
+   */
+  setEnabled(enabled: boolean): this;
+
+  /** Returns the unique language-neutral ID for the procedure. */
+  getId(): string;
+
+  /** Returns the human-readable name of the procedure. */
+  getName(): string;
+
+  /** Returns the parameter at the given index in the parameter list. */
+  getParameter(index: number): IParameterModel;
+
+  /** Returns an array of all of the parameters in the parameter list. */
+  getParameters(): IParameterModel[];
+
+  /**
+   * Returns the return type(s) of the procedure.
+   *
+   * Null represents a procedure that does not return a value.
+   */
+  getReturnTypes(): string[] | null;
+
+  /**
+   * Returns whether the procedure is enabled/disabled. If a procedure is
+   * disabled, all procedure caller blocks should be disabled as well.
+   */
+  getEnabled(): boolean;
+
+  /**
+   * Serializes the state of the procedure to JSON.
+   *
+   * @returns JSON serializable state of the procedure.
+   */
+  saveState(): State;
+}
diff --git a/core/interfaces/i_registrable.js b/core/interfaces/i_registrable.js
deleted file mode 100644
index f7b8ca71914..00000000000
--- a/core/interfaces/i_registrable.js
+++ /dev/null
@@ -1,22 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for a Blockly component that can be registered.
- *    (Ex. Toolbox, Fields, Renderers)
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-
-'use strict';
-
-goog.provide('Blockly.IRegistrable');
-
-
-/**
- * The interface for a Blockly component that can be registered.
- * @interface
- */
-Blockly.IRegistrable = function() {};
diff --git a/core/interfaces/i_registrable.ts b/core/interfaces/i_registrable.ts
new file mode 100644
index 00000000000..7fb469eee7d
--- /dev/null
+++ b/core/interfaces/i_registrable.ts
@@ -0,0 +1,12 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.IRegistrable
+
+/**
+ * The interface for a Blockly component that can be registered.
+ */
+export interface IRegistrable {}
diff --git a/core/interfaces/i_registrable_field.js b/core/interfaces/i_registrable_field.js
deleted file mode 100644
index 1d49edad2ff..00000000000
--- a/core/interfaces/i_registrable_field.js
+++ /dev/null
@@ -1,31 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for a Blockly field that can be registered.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-'use strict';
-
-goog.provide('Blockly.IRegistrableField');
-
-goog.requireType('Blockly.Field');
-
-/**
- * A registrable field.
- * Note: We are not using an interface here as we are interested in defining the
- * static methods of a field rather than the instance methods.
- * @typedef {{
- *     fromJson:Blockly.IRegistrableField.fromJson
- * }}
- */
-Blockly.IRegistrableField;
-
-/**
- * @typedef {function(!Object): Blockly.Field}
- */
-Blockly.IRegistrableField.fromJson;
diff --git a/core/interfaces/i_rendered_element.ts b/core/interfaces/i_rendered_element.ts
new file mode 100644
index 00000000000..7e6981ca6b1
--- /dev/null
+++ b/core/interfaces/i_rendered_element.ts
@@ -0,0 +1,22 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/** @internal */
+export interface IRenderedElement {
+  /**
+   * @returns The root SVG element of htis rendered element.
+   */
+  getSvgRoot(): SVGElement;
+}
+
+/**
+ * @returns True if the given object is an IRenderedElement.
+ *
+ * @internal
+ */
+export function isRenderedElement(obj: any): obj is IRenderedElement {
+  return obj['getSvgRoot'] !== undefined;
+}
diff --git a/core/interfaces/i_selectable.js b/core/interfaces/i_selectable.js
deleted file mode 100644
index e3d817fdef1..00000000000
--- a/core/interfaces/i_selectable.js
+++ /dev/null
@@ -1,43 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for an object that is selectable.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-'use strict';
-
-goog.provide('Blockly.ISelectable');
-
-goog.requireType('Blockly.IDeletable');
-goog.requireType('Blockly.IMovable');
-
-
-/**
- * The interface for an object that is selectable.
- * @extends {Blockly.IDeletable}
- * @extends {Blockly.IMovable}
- * @interface
- */
-Blockly.ISelectable = function() {};
-
-/**
- * @type {string}
- */
-Blockly.ISelectable.prototype.id;
-
-/**
- * Select this.  Highlight it visually.
- * @return {void}
- */
-Blockly.ISelectable.prototype.select;
-
-/**
- * Unselect this.  Unhighlight it visually.
- * @return {void}
- */
-Blockly.ISelectable.prototype.unselect;
diff --git a/core/interfaces/i_selectable.ts b/core/interfaces/i_selectable.ts
new file mode 100644
index 00000000000..7cf9ad98c6f
--- /dev/null
+++ b/core/interfaces/i_selectable.ts
@@ -0,0 +1,34 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.ISelectable
+
+import type {Workspace} from '../workspace.js';
+
+/**
+ * The interface for an object that is selectable.
+ */
+export interface ISelectable {
+  id: string;
+
+  workspace: Workspace;
+
+  /** Select this.  Highlight it visually. */
+  select(): void;
+
+  /** Unselect this.  Unhighlight it visually. */
+  unselect(): void;
+}
+
+/** Checks whether the given object is an ISelectable. */
+export function isSelectable(obj: Object): obj is ISelectable {
+  return (
+    typeof (obj as any).id === 'string' &&
+    (obj as any).workspace !== undefined &&
+    (obj as any).select !== undefined &&
+    (obj as any).unselect !== undefined
+  );
+}
diff --git a/core/interfaces/i_selectable_toolbox_item.ts b/core/interfaces/i_selectable_toolbox_item.ts
new file mode 100644
index 00000000000..b3267efd058
--- /dev/null
+++ b/core/interfaces/i_selectable_toolbox_item.ts
@@ -0,0 +1,63 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {FlyoutItemInfoArray} from '../utils/toolbox';
+// Former goog.module ID: Blockly.ISelectableToolboxItem
+
+import type {IToolboxItem} from './i_toolbox_item.js';
+
+/**
+ * Interface for an item in the toolbox that can be selected.
+ */
+export interface ISelectableToolboxItem extends IToolboxItem {
+  /**
+   * Gets the name of the toolbox item. Used for emitting events.
+   *
+   * @returns The name of the toolbox item.
+   */
+  getName(): string;
+
+  /**
+   * Gets the contents of the toolbox item. These are items that are meant to be
+   * displayed in the flyout.
+   *
+   * @returns The definition of items to be displayed in the flyout.
+   */
+  getContents(): FlyoutItemInfoArray | string;
+
+  /**
+   * Sets the current toolbox item as selected.
+   *
+   * @param _isSelected True if this category is selected, false otherwise.
+   */
+  setSelected(_isSelected: boolean): void;
+
+  /**
+   * Gets the HTML element that is clickable.
+   * The parent toolbox element receives clicks. The parent toolbox will add an
+   * ID to this element so it can pass the onClick event to the correct
+   * toolboxItem.
+   *
+   * @returns The HTML element that receives clicks.
+   */
+  getClickTarget(): Element;
+
+  /**
+   * Handles when the toolbox item is clicked.
+   *
+   * @param _e Click event to handle.
+   */
+  onClick(_e: Event): void;
+}
+
+/**
+ * Type guard that checks whether an IToolboxItem is an ISelectableToolboxItem.
+ */
+export function isSelectableToolboxItem(
+  toolboxItem: IToolboxItem,
+): toolboxItem is ISelectableToolboxItem {
+  return toolboxItem.isSelectable();
+}
diff --git a/core/interfaces/i_serializable.ts b/core/interfaces/i_serializable.ts
new file mode 100644
index 00000000000..380a277095d
--- /dev/null
+++ b/core/interfaces/i_serializable.ts
@@ -0,0 +1,28 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export interface ISerializable {
+  /**
+   * @param doFullSerialization If true, this signals that any backing data
+   *     structures used by this ISerializable should also be serialized. This
+   *     is used for copy-paste.
+   * @returns a JSON serializable value that records the ISerializable's state.
+   */
+  saveState(doFullSerialization: boolean): any;
+
+  /**
+   * Takes in a JSON serializable value and sets the ISerializable's state
+   * based on that.
+   *
+   * @param state The state to apply to the ISerializable.
+   */
+  loadState(state: any): void;
+}
+
+/** Type guard that checks whether the given object is a ISerializable. */
+export function isSerializable(obj: any): obj is ISerializable {
+  return obj.saveState !== undefined && obj.loadState !== undefined;
+}
diff --git a/core/interfaces/i_serializer.ts b/core/interfaces/i_serializer.ts
new file mode 100644
index 00000000000..29c25791550
--- /dev/null
+++ b/core/interfaces/i_serializer.ts
@@ -0,0 +1,55 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.serialization.ISerializer
+
+import type {Workspace} from '../workspace.js';
+
+/**
+ * Serializes and deserializes a plugin or system.
+ */
+export interface ISerializer {
+  /**
+   * A priority value used to determine the order of deserializing state.
+   * More positive priorities are deserialized before less positive
+   * priorities. Eg if you have priorities (0, -10, 10, 100) the order of
+   * deserialiation will be (100, 10, 0, -10).
+   * If two serializers have the same priority, they are deserialized in an
+   * arbitrary order relative to each other.
+   */
+  priority: number;
+
+  /* eslint-disable no-unused-vars, valid-jsdoc */
+
+  /**
+   * Saves the state of the plugin or system.
+   *
+   * @param workspace The workspace the system to serialize is associated with.
+   * @returns A JS object containing the system's state, or null if there is no
+   *     state to record.
+   */
+  save(workspace: Workspace): Object | null;
+  /* eslint-enable valid-jsdoc */
+
+  /**
+   * Loads the state of the plugin or system.
+   *
+   * @param state The state of the system to deserialize. This will always be
+   *     non-null.
+   * @param workspace The workspace the system to deserialize is associated
+   *     with.
+   */
+  load(state: Object, workspace: Workspace): void;
+
+  /**
+   * Clears the state of the plugin or system.
+   *
+   * @param workspace The workspace the system to clear the state of is
+   *     associated with.
+   */
+  clear(workspace: Workspace): void;
+}
+/* eslint-enable no-unused-vars */
diff --git a/core/interfaces/i_styleable.js b/core/interfaces/i_styleable.js
deleted file mode 100644
index 944ee9d6554..00000000000
--- a/core/interfaces/i_styleable.js
+++ /dev/null
@@ -1,33 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for an object that a style can be added to.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-
-'use strict';
-
-goog.provide('Blockly.IStyleable');
-
-
-/**
- * Interface for an object that a style can be added to.
- * @interface
- */
-Blockly.IStyleable = function() {};
-
-/**
- * Adds a style on the toolbox. Usually used to change the cursor.
- * @param {string} style The name of the class to add.
- */
-Blockly.IStyleable.prototype.addStyle;
-
-/**
- * Removes a style from the toolbox. Usually used to change the cursor.
- * @param {string} style The name of the class to remove.
- */
-Blockly.IStyleable.prototype.removeStyle;
diff --git a/core/interfaces/i_styleable.ts b/core/interfaces/i_styleable.ts
new file mode 100644
index 00000000000..cb043b213f9
--- /dev/null
+++ b/core/interfaces/i_styleable.ts
@@ -0,0 +1,26 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.IStyleable
+
+/**
+ * Interface for an object that a style can be added to.
+ */
+export interface IStyleable {
+  /**
+   * Adds a style on the toolbox. Usually used to change the cursor.
+   *
+   * @param style The name of the class to add.
+   */
+  addStyle(style: string): void;
+
+  /**
+   * Removes a style from the toolbox. Usually used to change the cursor.
+   *
+   * @param style The name of the class to remove.
+   */
+  removeStyle(style: string): void;
+}
diff --git a/core/interfaces/i_toolbox.js b/core/interfaces/i_toolbox.js
deleted file mode 100644
index 208be48cc4c..00000000000
--- a/core/interfaces/i_toolbox.js
+++ /dev/null
@@ -1,131 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for a toolbox.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-
-'use strict';
-
-goog.provide('Blockly.IToolbox');
-
-goog.requireType('Blockly.IFlyout');
-goog.requireType('Blockly.IRegistrable');
-goog.requireType('Blockly.IToolboxItem');
-goog.requireType('Blockly.utils.toolbox');
-goog.requireType('Blockly.WorkspaceSvg');
-
-
-/**
- * Interface for a toolbox.
- * @extends {Blockly.IRegistrable}
- * @interface
- */
-Blockly.IToolbox = function() {};
-
-/**
- * Initializes the toolbox.
- * @return {void}
- */
-Blockly.IToolbox.prototype.init;
-
-/**
- * Fills the toolbox with new toolbox items and removes any old contents.
- * @param {!Blockly.utils.toolbox.ToolboxInfo} toolboxDef Object holding information
- *     for creating a toolbox.
- */
-Blockly.IToolbox.prototype.render;
-
-/**
- * Gets the width of the toolbox.
- * @return {number} The width of the toolbox.
- */
-Blockly.IToolbox.prototype.getWidth;
-
-/**
- * Gets the height of the toolbox.
- * @return {number} The width of the toolbox.
- */
-Blockly.IToolbox.prototype.getHeight;
-
-/**
- * Gets the toolbox flyout.
- * @return {?Blockly.IFlyout} The toolbox flyout.
- */
-Blockly.IToolbox.prototype.getFlyout;
-
-/**
- * Gets the workspace for the toolbox.
- * @return {!Blockly.WorkspaceSvg} The parent workspace for the toolbox.
- */
-Blockly.IToolbox.prototype.getWorkspace;
-
-/**
- * Gets whether or not the toolbox is horizontal.
- * @return {boolean} True if the toolbox is horizontal, false if the toolbox is
- *     vertical.
- */
-Blockly.IToolbox.prototype.isHorizontal;
-
-/**
- * Positions the toolbox based on whether it is a horizontal toolbox and whether
- * the workspace is in rtl.
- * @return {void}
- */
-Blockly.IToolbox.prototype.position;
-
-/**
- * Handles resizing the toolbox when a toolbox item resizes.
- * @return {void}
- */
-Blockly.IToolbox.prototype.handleToolboxItemResize;
-
-/**
- * Unhighlights any previously selected item.
- * @return {void}
- */
-Blockly.IToolbox.prototype.clearSelection;
-
-/**
- * Updates the category colours and background colour of selected categories.
- * @return {void}
- */
-Blockly.IToolbox.prototype.refreshTheme;
-
-/**
- * Updates the flyout's content without closing it.  Should be used in response
- * to a change in one of the dynamic categories, such as variables or
- * procedures.
- * @return {void}
- */
-Blockly.IToolbox.prototype.refreshSelection;
-
-/**
- * Sets the visibility of the toolbox.
- * @param {boolean} isVisible True if toolbox should be visible.
- */
-Blockly.IToolbox.prototype.setVisible;
-
-/**
- * Selects the toolbox item by it's position in the list of toolbox items.
- * @param {number} position The position of the item to select.
- * @return {void}
- */
-Blockly.IToolbox.prototype.selectItemByPosition;
-
-/**
- * Gets the selected item.
- * @return {?Blockly.IToolboxItem} The selected item, or null if no item is
- *     currently selected.
- */
-Blockly.IToolbox.prototype.getSelectedItem;
-
-/**
- * Disposes of this toolbox.
- * @return {void}
- */
-Blockly.IToolbox.prototype.dispose;
diff --git a/core/interfaces/i_toolbox.ts b/core/interfaces/i_toolbox.ts
new file mode 100644
index 00000000000..a236d4442ae
--- /dev/null
+++ b/core/interfaces/i_toolbox.ts
@@ -0,0 +1,112 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.IToolbox
+
+import type {IRegistrable} from './i_registrable.js';
+import type {IToolboxItem} from './i_toolbox_item.js';
+import type {ToolboxInfo} from '../utils/toolbox.js';
+import type {IFlyout} from './i_flyout.js';
+import type {WorkspaceSvg} from '../workspace_svg.js';
+
+/**
+ * Interface for a toolbox.
+ */
+export interface IToolbox extends IRegistrable {
+  /** Initializes the toolbox. */
+  init(): void;
+
+  /**
+   * Fills the toolbox with new toolbox items and removes any old contents.
+   *
+   * @param toolboxDef Object holding information for creating a toolbox.
+   */
+  render(toolboxDef: ToolboxInfo): void;
+
+  /**
+   * Gets the width of the toolbox.
+   *
+   * @returns The width of the toolbox.
+   */
+  getWidth(): number;
+
+  /**
+   * Gets the height of the toolbox.
+   *
+   * @returns The height of the toolbox.
+   */
+  getHeight(): number;
+
+  /**
+   * Gets the toolbox flyout.
+   *
+   * @returns The toolbox flyout.
+   */
+  getFlyout(): IFlyout | null;
+
+  /**
+   * Gets the workspace for the toolbox.
+   *
+   * @returns The parent workspace for the toolbox.
+   */
+  getWorkspace(): WorkspaceSvg;
+
+  /**
+   * Gets whether or not the toolbox is horizontal.
+   *
+   * @returns True if the toolbox is horizontal, false if the toolbox is
+   *     vertical.
+   */
+  isHorizontal(): boolean;
+
+  /**
+   * Positions the toolbox based on whether it is a horizontal toolbox and
+   * whether the workspace is in rtl.
+   */
+  position(): void;
+
+  /** Handles resizing the toolbox when a toolbox item resizes. */
+  handleToolboxItemResize(): void;
+
+  /** Unhighlights any previously selected item. */
+  clearSelection(): void;
+
+  /**
+   * Updates the category colours and background colour of selected categories.
+   */
+  refreshTheme(): void;
+
+  /**
+   * Updates the flyout's content without closing it.  Should be used in
+   * response to a change in one of the dynamic categories, such as variables or
+   * procedures.
+   */
+  refreshSelection(): void;
+
+  /**
+   * Sets the visibility of the toolbox.
+   *
+   * @param isVisible True if toolbox should be visible.
+   */
+  setVisible(isVisible: boolean): void;
+
+  /**
+   * Selects the toolbox item by it's position in the list of toolbox items.
+   *
+   * @param position The position of the item to select.
+   */
+  selectItemByPosition(position: number): void;
+
+  /**
+   * Gets the selected item.
+   *
+   * @returns The selected item, or null if no item is currently selected.
+   */
+  getSelectedItem(): IToolboxItem | null;
+
+  /** Disposes of this toolbox. */
+  dispose(): void;
+}
diff --git a/core/interfaces/i_toolbox_item.js b/core/interfaces/i_toolbox_item.js
deleted file mode 100644
index 87bc0d8ddae..00000000000
--- a/core/interfaces/i_toolbox_item.js
+++ /dev/null
@@ -1,148 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for a toolbox item.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-
-'use strict';
-
-goog.provide('Blockly.ICollapsibleToolboxItem');
-goog.provide('Blockly.ISelectableToolboxItem');
-goog.provide('Blockly.IToolboxItem');
-
-goog.requireType('Blockly.utils.toolbox');
-
-
-/**
- * Interface for an item in the toolbox.
- * @interface
- */
-Blockly.IToolboxItem = function() {};
-
-/**
- * Initializes the toolbox item.
- * This includes creating the dom and updating the state of any items based
- * on the info object.
- * @return {void}
- * @public
- */
-Blockly.IToolboxItem.prototype.init;
-
-/**
- * Gets the div for the toolbox item.
- * @return {?Element} The div for the toolbox item.
- * @public
- */
-Blockly.IToolboxItem.prototype.getDiv;
-
-/**
- * Gets a unique identifier for this toolbox item.
- * @return {string} The id for the toolbox item.
- * @public
- */
-Blockly.IToolboxItem.prototype.getId;
-
-/**
- * Gets the parent if the toolbox item is nested.
- * @return {?Blockly.IToolboxItem} The parent toolbox item, or null if
- *     this toolbox item is not nested.
- * @public
- */
-Blockly.IToolboxItem.prototype.getParent;
-
-/**
- * Gets the nested level of the category.
- * @return {number} The nested level of the category.
- * @package
- */
-Blockly.IToolboxItem.prototype.getLevel;
-
-/**
- * Whether the toolbox item is selectable.
- * @return {boolean} True if the toolbox item can be selected.
- * @public
- */
-Blockly.IToolboxItem.prototype.isSelectable;
-
-/**
- * Whether the toolbox item is collapsible.
- * @return {boolean} True if the toolbox item is collapsible.
- * @public
- */
-Blockly.IToolboxItem.prototype.isCollapsible;
-
-/**
- * Dispose of this toolbox item. No-op by default.
- * @public
- */
-Blockly.IToolboxItem.prototype.dispose;
-
-/**
- * Interface for an item in the toolbox that can be selected.
- * @extends {Blockly.IToolboxItem}
- * @interface
- */
-Blockly.ISelectableToolboxItem = function() {};
-
-/**
- * Gets the name of the toolbox item. Used for emitting events.
- * @return {string} The name of the toolbox item.
- * @public
- */
-Blockly.ISelectableToolboxItem.prototype.getName;
-
-/**
- * Gets the contents of the toolbox item. These are items that are meant to be
- * displayed in the flyout.
- * @return {!Blockly.utils.toolbox.FlyoutItemInfoArray|string} The definition
- *     of items to be displayed in the flyout.
- * @public
- */
-Blockly.ISelectableToolboxItem.prototype.getContents;
-
-/**
- * Sets the current toolbox item as selected.
- * @param {boolean} _isSelected True if this category is selected, false
- *     otherwise.
- * @public
- */
-Blockly.ISelectableToolboxItem.prototype.setSelected;
-
-/**
- * Handles when the toolbox item is clicked.
- * @param {!Event} _e Click event to handle.
- * @public
- */
-Blockly.ISelectableToolboxItem.prototype.onClick;
-
-/**
- * Interface for an item in the toolbox that can be collapsed.
- * @extends {Blockly.ISelectableToolboxItem}
- * @interface
- */
-Blockly.ICollapsibleToolboxItem = function() {};
-
-/**
- * Gets any children toolbox items. (ex. Gets the subcategories)
- * @return {!Array<!Blockly.IToolboxItem>} The child toolbox items.
- */
-Blockly.ICollapsibleToolboxItem.prototype.getChildToolboxItems;
-
-/**
- * Whether the toolbox item is expanded to show its child subcategories.
- * @return {boolean} True if the toolbox item shows its children, false if it
- *     is collapsed.
- * @public
- */
-Blockly.ICollapsibleToolboxItem.prototype.isExpanded;
-
-/**
- * Toggles whether or not the toolbox item is expanded.
- * @public
- */
-Blockly.ICollapsibleToolboxItem.prototype.toggleExpanded;
diff --git a/core/interfaces/i_toolbox_item.ts b/core/interfaces/i_toolbox_item.ts
new file mode 100644
index 00000000000..e3c9864f0c0
--- /dev/null
+++ b/core/interfaces/i_toolbox_item.ts
@@ -0,0 +1,81 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.IToolboxItem
+
+/**
+ * Interface for an item in the toolbox.
+ */
+export interface IToolboxItem {
+  /**
+   * Initializes the toolbox item.
+   * This includes creating the DOM and updating the state of any items based
+   * on the info object.
+   */
+  init(): void;
+
+  /**
+   * Gets the div for the toolbox item.
+   *
+   * @returns The div for the toolbox item.
+   */
+  getDiv(): Element | null;
+
+  /**
+   * Gets a unique identifier for this toolbox item.
+   *
+   * @returns The ID for the toolbox item.
+   */
+  getId(): string;
+
+  /**
+   * Gets the parent if the toolbox item is nested.
+   *
+   * @returns The parent toolbox item, or null if this toolbox item is not
+   *     nested.
+   */
+  getParent(): IToolboxItem | null;
+
+  /**
+   * Gets the nested level of the category.
+   *
+   * @returns The nested level of the category.
+   * @internal
+   */
+  getLevel(): number;
+
+  /**
+   * Whether the toolbox item is selectable.
+   *
+   * @returns True if the toolbox item can be selected.
+   */
+  isSelectable(): boolean;
+
+  /**
+   * Whether the toolbox item is collapsible.
+   *
+   * @returns True if the toolbox item is collapsible.
+   */
+  isCollapsible(): boolean;
+
+  /** Dispose of this toolbox item. No-op by default. */
+  dispose(): void;
+
+  /**
+   * Gets the HTML element that is clickable.
+   *
+   * @returns The HTML element that receives clicks.
+   */
+  getClickTarget(): Element | null;
+
+  /**
+   * Sets whether the category is visible or not.
+   * For a category to be visible its parent category must also be expanded.
+   *
+   * @param isVisible True if category should be visible.
+   */
+  setVisible_(isVisible: boolean): void;
+}
diff --git a/core/interfaces/i_variable_backed_parameter_model.ts b/core/interfaces/i_variable_backed_parameter_model.ts
new file mode 100644
index 00000000000..b2042bfb2f5
--- /dev/null
+++ b/core/interfaces/i_variable_backed_parameter_model.ts
@@ -0,0 +1,23 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import type {VariableModel} from '../variable_model.js';
+import {IParameterModel} from './i_parameter_model.js';
+
+/** Interface for a parameter model that holds a variable model. */
+export interface IVariableBackedParameterModel extends IParameterModel {
+  /** Returns the variable model held by this type. */
+  getVariableModel(): VariableModel;
+}
+
+/**
+ * Returns whether the given object is a variable holder or not.
+ */
+export function isVariableBackedParameterModel(
+  param: IParameterModel,
+): param is IVariableBackedParameterModel {
+  return (param as any).getVariableModel !== undefined;
+}
diff --git a/core/internal_constants.ts b/core/internal_constants.ts
new file mode 100644
index 00000000000..27c945dc08b
--- /dev/null
+++ b/core/internal_constants.ts
@@ -0,0 +1,47 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.internalConstants
+
+import {ConnectionType} from './connection_type.js';
+
+/**
+ * Number of characters to truncate a collapsed block to.
+ *
+ * @internal
+ */
+export const COLLAPSE_CHARS = 30;
+
+/**
+ * Lookup table for determining the opposite type of a connection.
+ *
+ * @internal
+ */
+export const OPPOSITE_TYPE: number[] = [];
+OPPOSITE_TYPE[ConnectionType.INPUT_VALUE] = ConnectionType.OUTPUT_VALUE;
+OPPOSITE_TYPE[ConnectionType.OUTPUT_VALUE] = ConnectionType.INPUT_VALUE;
+OPPOSITE_TYPE[ConnectionType.NEXT_STATEMENT] =
+  ConnectionType.PREVIOUS_STATEMENT;
+OPPOSITE_TYPE[ConnectionType.PREVIOUS_STATEMENT] =
+  ConnectionType.NEXT_STATEMENT;
+
+/**
+ * String for use in the dropdown created in field_variable.
+ * This string indicates that this option in the dropdown is 'Rename
+ * variable...' and if selected, should trigger the prompt to rename a variable.
+ *
+ * @internal
+ */
+export const RENAME_VARIABLE_ID = 'RENAME_VARIABLE_ID';
+
+/**
+ * String for use in the dropdown created in field_variable.
+ * This string indicates that this option in the dropdown is 'Delete the "%1"
+ * variable' and if selected, should trigger the prompt to delete a variable.
+ *
+ * @internal
+ */
+export const DELETE_VARIABLE_ID = 'DELETE_VARIABLE_ID';
diff --git a/core/keyboard_nav/action.js b/core/keyboard_nav/action.js
deleted file mode 100644
index 348049bf0ad..00000000000
--- a/core/keyboard_nav/action.js
+++ /dev/null
@@ -1,26 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The class representing an action.
- * Used primarily for keyboard navigation.
- */
-'use strict';
-
-goog.provide('Blockly.Action');
-
-
-/**
- * Class for a single action.
- * An action describes user intent. (ex go to next or go to previous)
- * @param {string} name The name of the action.
- * @param {string} desc The description of the action.
- * @constructor
- */
-Blockly.Action = function(name, desc) {
-  this.name = name;
-  this.desc = desc;
-};
diff --git a/core/keyboard_nav/ast_node.js b/core/keyboard_nav/ast_node.js
deleted file mode 100644
index 7669aa6702c..00000000000
--- a/core/keyboard_nav/ast_node.js
+++ /dev/null
@@ -1,684 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The class representing an AST node.
- * Used to traverse the Blockly AST.
- */
-'use strict';
-
-goog.provide('Blockly.ASTNode');
-
-goog.require('Blockly.utils.Coordinate');
-
-goog.requireType('Blockly.IASTNodeLocation');
-goog.requireType('Blockly.IASTNodeLocationWithBlock');
-
-
-/**
- * Class for an AST node.
- * It is recommended that you use one of the createNode methods instead of
- * creating a node directly.
- * @param {string} type The type of the location.
- *     Must be in Blockly.ASTNode.types.
- * @param {!Blockly.IASTNodeLocation} location The position in the AST.
- * @param {!Blockly.ASTNode.Params=} opt_params Optional dictionary of options.
- * @constructor
- */
-Blockly.ASTNode = function(type, location, opt_params) {
-  if (!location) {
-    throw Error('Cannot create a node without a location.');
-  }
-
-  /**
-   * The type of the location.
-   * One of Blockly.ASTNode.types
-   * @type {string}
-   * @private
-   */
-  this.type_ = type;
-
-  /**
-   * Whether the location points to a connection.
-   * @type {boolean}
-   * @private
-   */
-  this.isConnection_ = Blockly.ASTNode.isConnectionType_(type);
-
-  /**
-   * The location of the AST node.
-   * @type {!Blockly.IASTNodeLocation}
-   * @private
-   */
-  this.location_ = location;
-
-  /**
-   * The coordinate on the workspace.
-   * @type {Blockly.utils.Coordinate}
-   * @private
-   */
-  this.wsCoordinate_ = null;
-
-  this.processParams_(opt_params || null);
-};
-
-/**
- * @typedef {{
- *     wsCoordinate: Blockly.utils.Coordinate
- * }}
- */
-Blockly.ASTNode.Params;
-
-/**
- * Object holding different types for an AST node.
- * @enum {string}
- */
-Blockly.ASTNode.types = {
-  FIELD: 'field',
-  BLOCK: 'block',
-  INPUT: 'input',
-  OUTPUT: 'output',
-  NEXT: 'next',
-  PREVIOUS: 'previous',
-  STACK: 'stack',
-  WORKSPACE: 'workspace'
-};
-
-/**
- * True to navigate to all fields. False to only navigate to clickable fields.
- * @type {boolean}
- */
-Blockly.ASTNode.NAVIGATE_ALL_FIELDS = false;
-
-/**
- * The default y offset to use when moving the cursor from a stack to the
- * workspace.
- * @type {number}
- * @private
- */
-Blockly.ASTNode.DEFAULT_OFFSET_Y = -20;
-
-/**
- * Whether an AST node of the given type points to a connection.
- * @param {string} type The type to check.  One of Blockly.ASTNode.types.
- * @return {boolean} True if a node of the given type points to a connection.
- * @private
- */
-Blockly.ASTNode.isConnectionType_ = function(type) {
-  switch (type) {
-    case Blockly.ASTNode.types.PREVIOUS:
-    case Blockly.ASTNode.types.NEXT:
-    case Blockly.ASTNode.types.INPUT:
-    case Blockly.ASTNode.types.OUTPUT:
-      return true;
-  }
-  return false;
-};
-
-/**
- * Create an AST node pointing to a field.
- * @param {Blockly.Field} field The location of the AST node.
- * @return {Blockly.ASTNode} An AST node pointing to a field.
- */
-Blockly.ASTNode.createFieldNode = function(field) {
-  if (!field) {
-    return null;
-  }
-  return new Blockly.ASTNode(Blockly.ASTNode.types.FIELD, field);
-};
-
-/**
- * Creates an AST node pointing to a connection. If the connection has a parent
- * input then create an AST node of type input that will hold the connection.
- * @param {Blockly.Connection} connection This is the connection the node will
- *     point to.
- * @return {Blockly.ASTNode} An AST node pointing to a connection.
- */
-Blockly.ASTNode.createConnectionNode = function(connection) {
-  if (!connection) {
-    return null;
-  }
-  if (connection.type == Blockly.INPUT_VALUE) {
-    return Blockly.ASTNode.createInputNode(connection.getParentInput());
-  } else if (connection.type == Blockly.NEXT_STATEMENT &&
-      connection.getParentInput()) {
-    return Blockly.ASTNode.createInputNode(connection.getParentInput());
-  } else if (connection.type == Blockly.NEXT_STATEMENT) {
-    return new Blockly.ASTNode(Blockly.ASTNode.types.NEXT, connection);
-  } else if (connection.type == Blockly.OUTPUT_VALUE) {
-    return new Blockly.ASTNode(Blockly.ASTNode.types.OUTPUT, connection);
-  } else if (connection.type == Blockly.PREVIOUS_STATEMENT) {
-    return new Blockly.ASTNode(Blockly.ASTNode.types.PREVIOUS, connection);
-  }
-  return null;
-};
-
-/**
- * Creates an AST node pointing to an input. Stores the input connection as the
- *     location.
- * @param {Blockly.Input} input The input used to create an AST node.
- * @return {Blockly.ASTNode} An AST node pointing to a input.
- */
-Blockly.ASTNode.createInputNode = function(input) {
-  if (!input || !input.connection) {
-    return null;
-  }
-  return new Blockly.ASTNode(Blockly.ASTNode.types.INPUT, input.connection);
-};
-
-/**
- * Creates an AST node pointing to a block.
- * @param {Blockly.Block} block The block used to create an AST node.
- * @return {Blockly.ASTNode} An AST node pointing to a block.
- */
-Blockly.ASTNode.createBlockNode = function(block) {
-  if (!block) {
-    return null;
-  }
-  return new Blockly.ASTNode(Blockly.ASTNode.types.BLOCK, block);
-};
-
-/**
- * Create an AST node of type stack. A stack, represented by its top block, is
- *     the set of all blocks connected to a top block, including the top block.
- * @param {Blockly.Block} topBlock A top block has no parent and can be found
- *     in the list returned by workspace.getTopBlocks().
- * @return {Blockly.ASTNode} An AST node of type stack that points to the top
- *     block on the stack.
- */
-Blockly.ASTNode.createStackNode = function(topBlock) {
-  if (!topBlock) {
-    return null;
-  }
-  return new Blockly.ASTNode(Blockly.ASTNode.types.STACK, topBlock);
-};
-
-/**
- * Creates an AST node pointing to a workspace.
- * @param {!Blockly.Workspace} workspace The workspace that we are on.
- * @param {Blockly.utils.Coordinate} wsCoordinate The position on the workspace
- *     for this node.
- * @return {Blockly.ASTNode} An AST node pointing to a workspace and a position
- *     on the workspace.
- */
-Blockly.ASTNode.createWorkspaceNode = function(workspace, wsCoordinate) {
-  if (!wsCoordinate || !workspace) {
-    return null;
-  }
-  var params = {
-    wsCoordinate: wsCoordinate
-  };
-  return new Blockly.ASTNode(
-      Blockly.ASTNode.types.WORKSPACE, workspace, params);
-};
-
-/**
- * Creates an AST node for the top position on a block.
- * This is either an output connection, previous connection, or block.
- * @param {!Blockly.Block} block The block to find the top most AST node on.
- * @return {Blockly.ASTNode} The AST node holding the top most position on the
- *     block.
- */
-Blockly.ASTNode.createTopNode = function(block) {
-  var astNode;
-  var topConnection = block.previousConnection || block.outputConnection;
-  if (topConnection) {
-    astNode = Blockly.ASTNode.createConnectionNode(topConnection);
-  } else {
-    astNode = Blockly.ASTNode.createBlockNode(block);
-  }
-  return astNode;
-};
-
-/**
- * Parse the optional parameters.
- * @param {?Blockly.ASTNode.Params} params The user specified parameters.
- * @private
- */
-Blockly.ASTNode.prototype.processParams_ = function(params) {
-  if (!params) {
-    return;
-  }
-  if (params.wsCoordinate) {
-    this.wsCoordinate_ = params.wsCoordinate;
-  }
-};
-
-/**
- * Gets the value pointed to by this node.
- * It is the callers responsibility to check the node type to figure out what
- * type of object they get back from this.
- * @return {!Blockly.IASTNodeLocation} The current field, connection, workspace, or
- *     block the cursor is on.
- */
-Blockly.ASTNode.prototype.getLocation = function() {
-  return this.location_;
-};
-
-/**
- * The type of the current location.
- * One of Blockly.ASTNode.types
- * @return {string} The type of the location.
- */
-Blockly.ASTNode.prototype.getType = function() {
-  return this.type_;
-};
-
-/**
- * The coordinate on the workspace.
- * @return {Blockly.utils.Coordinate} The workspace coordinate or null if the
- *     location is not a workspace.
- */
-Blockly.ASTNode.prototype.getWsCoordinate = function() {
-  return this.wsCoordinate_;
-};
-
-/**
- * Whether the node points to a connection.
- * @return {boolean} [description]
- * @package
- */
-Blockly.ASTNode.prototype.isConnection = function() {
-  return this.isConnection_;
-};
-
-/**
- * Given an input find the next editable field or an input with a non null
- * connection in the same block. The current location must be an input
- * connection.
- * @return {Blockly.ASTNode} The AST node holding the next field or connection
- *     or null if there is no editable field or input connection after the given
- *     input.
- * @private
- */
-Blockly.ASTNode.prototype.findNextForInput_ = function() {
-  var location = /** @type {!Blockly.Connection} */ (this.location_);
-  var parentInput = location.getParentInput();
-  var block = parentInput.getSourceBlock();
-  var curIdx = block.inputList.indexOf(parentInput);
-  for (var i = curIdx + 1, input; (input = block.inputList[i]); i++) {
-    var fieldRow = input.fieldRow;
-    for (var j = 0, field; (field = fieldRow[j]); j++) {
-      if (field.isClickable() || Blockly.ASTNode.NAVIGATE_ALL_FIELDS) {
-        return Blockly.ASTNode.createFieldNode(field);
-      }
-    }
-    if (input.connection) {
-      return Blockly.ASTNode.createInputNode(input);
-    }
-  }
-  return null;
-};
-
-/**
- * Given a field find the next editable field or an input with a non null
- * connection in the same block. The current location must be a field.
- * @return {Blockly.ASTNode} The AST node pointing to the next field or
- *     connection or null if there is no editable field or input connection
- *     after the given input.
- * @private
- */
-Blockly.ASTNode.prototype.findNextForField_ = function() {
-  var location = /** @type {!Blockly.Field} */ (this.location_);
-  var input = location.getParentInput();
-  var block = location.getSourceBlock();
-  var curIdx = block.inputList.indexOf(/** @type {!Blockly.Input} */ (input));
-  var fieldIdx = input.fieldRow.indexOf(location) + 1;
-  for (var i = curIdx, newInput; (newInput = block.inputList[i]); i++) {
-    var fieldRow = newInput.fieldRow;
-    while (fieldIdx < fieldRow.length) {
-      if (fieldRow[fieldIdx].isClickable() || Blockly.ASTNode.NAVIGATE_ALL_FIELDS) {
-        return Blockly.ASTNode.createFieldNode(fieldRow[fieldIdx]);
-      }
-      fieldIdx++;
-    }
-    fieldIdx = 0;
-    if (newInput.connection) {
-      return Blockly.ASTNode.createInputNode(newInput);
-    }
-  }
-  return null;
-};
-
-/**
- * Given an input find the previous editable field or an input with a non null
- * connection in the same block. The current location must be an input
- * connection.
- * @return {Blockly.ASTNode} The AST node holding the previous field or
- *     connection.
- * @private
- */
-Blockly.ASTNode.prototype.findPrevForInput_ = function() {
-  var location = /** @type {!Blockly.Connection} */ (this.location_);
-  var parentInput = location.getParentInput();
-  var block = parentInput.getSourceBlock();
-  var curIdx = block.inputList.indexOf(parentInput);
-  for (var i = curIdx, input; (input = block.inputList[i]); i--) {
-    if (input.connection && input !== parentInput) {
-      return Blockly.ASTNode.createInputNode(input);
-    }
-    var fieldRow = input.fieldRow;
-    for (var j = fieldRow.length - 1, field; (field = fieldRow[j]); j--) {
-      if (field.isClickable() || Blockly.ASTNode.NAVIGATE_ALL_FIELDS) {
-        return Blockly.ASTNode.createFieldNode(field);
-      }
-    }
-  }
-  return null;
-};
-
-/**
- * Given a field find the previous editable field or an input with a non null
- * connection in the same block. The current location must be a field.
- * @return {Blockly.ASTNode} The AST node holding the previous input or field.
- * @private
- */
-Blockly.ASTNode.prototype.findPrevForField_ = function() {
-  var location = /** @type {!Blockly.Field} */ (this.location_);
-  var parentInput = location.getParentInput();
-  var block = location.getSourceBlock();
-  var curIdx = block.inputList.indexOf(
-      /** @type {!Blockly.Input} */ (parentInput));
-  var fieldIdx = parentInput.fieldRow.indexOf(location) - 1;
-  for (var i = curIdx, input; (input = block.inputList[i]); i--) {
-    if (input.connection && input !== parentInput) {
-      return Blockly.ASTNode.createInputNode(input);
-    }
-    var fieldRow = input.fieldRow;
-    while (fieldIdx > -1) {
-      if (fieldRow[fieldIdx].isClickable() || Blockly.ASTNode.NAVIGATE_ALL_FIELDS) {
-        return Blockly.ASTNode.createFieldNode(fieldRow[fieldIdx]);
-      }
-      fieldIdx--;
-    }
-    // Reset the fieldIdx to the length of the field row of the previous input.
-    if (i - 1 >= 0) {
-      fieldIdx = block.inputList[i - 1].fieldRow.length - 1;
-    }
-  }
-  return null;
-};
-
-/**
- * Navigate between stacks of blocks on the workspace.
- * @param {boolean} forward True to go forward. False to go backwards.
- * @return {Blockly.ASTNode} The first block of the next stack or null if there
- * are no blocks on the workspace.
- * @private
- */
-Blockly.ASTNode.prototype.navigateBetweenStacks_ = function(forward) {
-  var curLocation = this.getLocation();
-  if (!(curLocation instanceof Blockly.Block)) {
-    curLocation = /** @type {!Blockly.IASTNodeLocationWithBlock} */ (
-      curLocation).getSourceBlock();
-  }
-  if (!curLocation || !curLocation.workspace) {
-    return null;
-  }
-  var curRoot = curLocation.getRootBlock();
-  var topBlocks = curRoot.workspace.getTopBlocks(true);
-  for (var i = 0, topBlock; (topBlock = topBlocks[i]); i++) {
-    if (curRoot.id == topBlock.id) {
-      var offset = forward ? 1 : -1;
-      var resultIndex = i + offset;
-      if (resultIndex == -1 || resultIndex == topBlocks.length) {
-        return null;
-      }
-      return Blockly.ASTNode.createStackNode(topBlocks[resultIndex]);
-    }
-  }
-  throw Error('Couldn\'t find ' + (forward ? 'next' : 'previous') + ' stack?!');
-};
-
-/**
- * Finds the top most AST node for a given block.
- * This is either the previous connection, output connection or block depending
- * on what kind of connections the block has.
- * @param {!Blockly.Block} block The block that we want to find the top
- *     connection on.
- * @return {!Blockly.ASTNode} The AST node containing the top connection.
- * @private
- */
-Blockly.ASTNode.prototype.findTopASTNodeForBlock_ = function(block) {
-  var topConnection = block.previousConnection || block.outputConnection;
-  if (topConnection) {
-    return /** @type {!Blockly.ASTNode} */ (Blockly.ASTNode.createConnectionNode(
-        topConnection));
-  } else {
-    return /** @type {!Blockly.ASTNode} */ (Blockly.ASTNode.createBlockNode(
-        block));
-  }
-};
-
-/**
- * Get the AST node pointing to the input that the block is nested under or if
- * the block is not nested then get the stack AST node.
- * @param {Blockly.Block} block The source block of the current location.
- * @return {Blockly.ASTNode} The AST node pointing to the input connection or
- *     the top block of the stack this block is in.
- * @private
- */
-Blockly.ASTNode.prototype.getOutAstNodeForBlock_ = function(block) {
-  if (!block) {
-    return null;
-  }
-  var topBlock;
-  // If the block doesn't have a previous connection then it is the top of the
-  // substack.
-  topBlock = block.getTopStackBlock();
-  var topConnection = topBlock.previousConnection || topBlock.outputConnection;
-  // If the top connection has a parentInput, create an AST node pointing to
-  // that input.
-  if (topConnection && topConnection.targetConnection &&
-      topConnection.targetConnection.getParentInput()) {
-    return Blockly.ASTNode.createInputNode(
-        topConnection.targetConnection.getParentInput());
-  } else {
-    // Go to stack level if you are not underneath an input.
-    return Blockly.ASTNode.createStackNode(topBlock);
-  }
-};
-
-/**
- * Find the first editable field or input with a connection on a given block.
- * @param {!Blockly.Block} block The source block of the current location.
- * @return {Blockly.ASTNode} An AST node pointing to the first field or input.
- * Null if there are no editable fields or inputs with connections on the block.
- * @private
- */
-Blockly.ASTNode.prototype.findFirstFieldOrInput_ = function(block) {
-  var inputs = block.inputList;
-  for (var i = 0, input; (input = inputs[i]); i++) {
-    var fieldRow = input.fieldRow;
-    for (var j = 0, field; (field = fieldRow[j]); j++) {
-      if (field.isClickable() || Blockly.ASTNode.NAVIGATE_ALL_FIELDS) {
-        return Blockly.ASTNode.createFieldNode(field);
-      }
-    }
-    if (input.connection) {
-      return Blockly.ASTNode.createInputNode(input);
-    }
-  }
-  return null;
-};
-
-/**
- * Finds the source block of the location of this node.
- * @return {Blockly.Block} The source block of the location, or null if the node
- * is of type workspace.
- */
-Blockly.ASTNode.prototype.getSourceBlock = function() {
-  if (this.getType() === Blockly.ASTNode.types.BLOCK) {
-    return /** @type {Blockly.Block} */ (this.getLocation());
-  } else if (this.getType() === Blockly.ASTNode.types.STACK) {
-    return /** @type {Blockly.Block} */ (this.getLocation());
-  } else if (this.getType() === Blockly.ASTNode.types.WORKSPACE) {
-    return null;
-  } else {
-    return /** @type {Blockly.IASTNodeLocationWithBlock} */ (
-      this.getLocation()).getSourceBlock();
-  }
-};
-
-/**
- * Find the element to the right of the current element in the AST.
- * @return {Blockly.ASTNode} An AST node that wraps the next field, connection,
- *     block, or workspace. Or null if there is no node to the right.
- */
-Blockly.ASTNode.prototype.next = function() {
-  switch (this.type_) {
-    case Blockly.ASTNode.types.STACK:
-      return this.navigateBetweenStacks_(true);
-
-    case Blockly.ASTNode.types.OUTPUT:
-      var connection = /** @type {!Blockly.Connection} */ (this.location_);
-      return Blockly.ASTNode.createBlockNode(connection.getSourceBlock());
-
-    case Blockly.ASTNode.types.FIELD:
-      return this.findNextForField_();
-
-    case Blockly.ASTNode.types.INPUT:
-      return this.findNextForInput_();
-
-    case Blockly.ASTNode.types.BLOCK:
-      var block = /** @type {!Blockly.Block} */ (this.location_);
-      var nextConnection = block.nextConnection;
-      return Blockly.ASTNode.createConnectionNode(nextConnection);
-
-    case Blockly.ASTNode.types.PREVIOUS:
-      var connection = /** @type {!Blockly.Connection} */ (this.location_);
-      return Blockly.ASTNode.createBlockNode(connection.getSourceBlock());
-
-    case Blockly.ASTNode.types.NEXT:
-      var connection = /** @type {!Blockly.Connection} */ (this.location_);
-      var targetConnection = connection.targetConnection;
-      return Blockly.ASTNode.createConnectionNode(targetConnection);
-  }
-
-  return null;
-};
-
-/**
- * Find the element one level below and all the way to the left of the current
- * location.
- * @return {Blockly.ASTNode} An AST node that wraps the next field, connection,
- * workspace, or block. Or null if there is nothing below this node.
- */
-Blockly.ASTNode.prototype.in = function() {
-  switch (this.type_) {
-    case Blockly.ASTNode.types.WORKSPACE:
-      var workspace = /** @type {!Blockly.Workspace} */ (this.location_);
-      var topBlocks = workspace.getTopBlocks(true);
-      if (topBlocks.length > 0) {
-        return Blockly.ASTNode.createStackNode(topBlocks[0]);
-      }
-      break;
-
-    case Blockly.ASTNode.types.STACK:
-      var block = /** @type {!Blockly.Block} */ (this.location_);
-      return this.findTopASTNodeForBlock_(block);
-
-    case Blockly.ASTNode.types.BLOCK:
-      var block = /** @type {!Blockly.Block} */ (this.location_);
-      return this.findFirstFieldOrInput_(block);
-
-    case Blockly.ASTNode.types.INPUT:
-      var connection = /** @type {!Blockly.Connection} */ (this.location_);
-      var targetConnection = connection.targetConnection;
-      return Blockly.ASTNode.createConnectionNode(targetConnection);
-  }
-
-  return null;
-};
-
-/**
- * Find the element to the left of the current element in the AST.
- * @return {Blockly.ASTNode} An AST node that wraps the previous field,
- * connection, workspace or block. Or null if no node exists to the left.
- * null.
- */
-Blockly.ASTNode.prototype.prev = function() {
-  switch (this.type_) {
-    case Blockly.ASTNode.types.STACK:
-      return this.navigateBetweenStacks_(false);
-
-    case Blockly.ASTNode.types.OUTPUT:
-      return null;
-
-    case Blockly.ASTNode.types.FIELD:
-      return this.findPrevForField_();
-
-    case Blockly.ASTNode.types.INPUT:
-      return this.findPrevForInput_();
-
-    case Blockly.ASTNode.types.BLOCK:
-      var block = /** @type {!Blockly.Block} */ (this.location_);
-      var topConnection = block.previousConnection || block.outputConnection;
-      return Blockly.ASTNode.createConnectionNode(topConnection);
-
-    case Blockly.ASTNode.types.PREVIOUS:
-      var connection = /** @type {!Blockly.Connection} */ (this.location_);
-      var targetConnection = connection.targetConnection;
-      if (targetConnection && !targetConnection.getParentInput()) {
-        return Blockly.ASTNode.createConnectionNode(targetConnection);
-      }
-      break;
-
-    case Blockly.ASTNode.types.NEXT:
-      var connection = /** @type {!Blockly.Connection} */ (this.location_);
-      return Blockly.ASTNode.createBlockNode(connection.getSourceBlock());
-  }
-
-  return null;
-};
-
-/**
- * Find the next element that is one position above and all the way to the left
- * of the current location.
- * @return {Blockly.ASTNode} An AST node that wraps the next field, connection,
- *     workspace or block. Or null if we are at the workspace level.
- */
-Blockly.ASTNode.prototype.out = function() {
-  switch (this.type_) {
-    case Blockly.ASTNode.types.STACK:
-      var block = /** @type {!Blockly.Block} */ (this.location_);
-      var blockPos = block.getRelativeToSurfaceXY();
-      // TODO: Make sure this is in the bounds of the workspace.
-      var wsCoordinate = new Blockly.utils.Coordinate(
-          blockPos.x, blockPos.y + Blockly.ASTNode.DEFAULT_OFFSET_Y);
-      return Blockly.ASTNode.createWorkspaceNode(block.workspace, wsCoordinate);
-
-    case Blockly.ASTNode.types.OUTPUT:
-      var connection = /** @type {!Blockly.Connection} */ (this.location_);
-      var target = connection.targetConnection;
-      if (target) {
-        return Blockly.ASTNode.createConnectionNode(target);
-      }
-      return Blockly.ASTNode.createStackNode(connection.getSourceBlock());
-
-    case Blockly.ASTNode.types.FIELD:
-      var field = /** @type {!Blockly.Field} */ (this.location_);
-      return Blockly.ASTNode.createBlockNode(field.getSourceBlock());
-
-    case Blockly.ASTNode.types.INPUT:
-      var connection = /** @type {!Blockly.Connection} */ (this.location_);
-      return Blockly.ASTNode.createBlockNode(connection.getSourceBlock());
-
-    case Blockly.ASTNode.types.BLOCK:
-      var block = /** @type {!Blockly.Block} */ (this.location_);
-      return this.getOutAstNodeForBlock_(block);
-
-    case Blockly.ASTNode.types.PREVIOUS:
-      var connection = /** @type {!Blockly.Connection} */ (this.location_);
-      return this.getOutAstNodeForBlock_(connection.getSourceBlock());
-
-    case Blockly.ASTNode.types.NEXT:
-      var connection = /** @type {!Blockly.Connection} */ (this.location_);
-      return this.getOutAstNodeForBlock_(connection.getSourceBlock());
-  }
-
-  return null;
-};
diff --git a/core/keyboard_nav/ast_node.ts b/core/keyboard_nav/ast_node.ts
new file mode 100644
index 00000000000..7985ac6dc24
--- /dev/null
+++ b/core/keyboard_nav/ast_node.ts
@@ -0,0 +1,880 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * The class representing an AST node.
+ * Used to traverse the Blockly AST.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.ASTNode
+
+import {Block} from '../block.js';
+import type {Connection} from '../connection.js';
+import {ConnectionType} from '../connection_type.js';
+import type {Field} from '../field.js';
+import type {Input} from '../inputs/input.js';
+import type {IASTNodeLocation} from '../interfaces/i_ast_node_location.js';
+import type {IASTNodeLocationWithBlock} from '../interfaces/i_ast_node_location_with_block.js';
+import {Coordinate} from '../utils/coordinate.js';
+import type {Workspace} from '../workspace.js';
+import {FlyoutButton} from '../flyout_button.js';
+import {WorkspaceSvg} from '../workspace_svg.js';
+import {FlyoutItem} from '../flyout_base.js';
+
+/**
+ * Class for an AST node.
+ * It is recommended that you use one of the createNode methods instead of
+ * creating a node directly.
+ */
+export class ASTNode {
+  /**
+   * True to navigate to all fields. False to only navigate to clickable fields.
+   */
+  static NAVIGATE_ALL_FIELDS = false;
+
+  /**
+   * The default y offset to use when moving the cursor from a stack to the
+   * workspace.
+   */
+  private static readonly DEFAULT_OFFSET_Y: number = -20;
+  private readonly type: string;
+  private readonly isConnectionLocation: boolean;
+  private readonly location: IASTNodeLocation;
+
+  /** The coordinate on the workspace. */
+  // AnyDuringMigration because:  Type 'null' is not assignable to type
+  // 'Coordinate'.
+  private wsCoordinate: Coordinate = null as AnyDuringMigration;
+
+  /**
+   * @param type The type of the location.
+   *     Must be in ASTNode.types.
+   * @param location The position in the AST.
+   * @param opt_params Optional dictionary of options.
+   */
+  constructor(type: string, location: IASTNodeLocation, opt_params?: Params) {
+    if (!location) {
+      throw Error('Cannot create a node without a location.');
+    }
+
+    /**
+     * The type of the location.
+     * One of ASTNode.types
+     */
+    this.type = type;
+
+    /** Whether the location points to a connection. */
+    this.isConnectionLocation = ASTNode.isConnectionType(type);
+
+    /** The location of the AST node. */
+    this.location = location;
+
+    this.processParams(opt_params || null);
+  }
+
+  /**
+   * Parse the optional parameters.
+   *
+   * @param params The user specified parameters.
+   */
+  private processParams(params: Params | null) {
+    if (!params) {
+      return;
+    }
+    if (params.wsCoordinate) {
+      this.wsCoordinate = params.wsCoordinate;
+    }
+  }
+
+  /**
+   * Gets the value pointed to by this node.
+   * It is the callers responsibility to check the node type to figure out what
+   * type of object they get back from this.
+   *
+   * @returns The current field, connection, workspace, or block the cursor is
+   *     on.
+   */
+  getLocation(): IASTNodeLocation {
+    return this.location;
+  }
+
+  /**
+   * The type of the current location.
+   * One of ASTNode.types
+   *
+   * @returns The type of the location.
+   */
+  getType(): string {
+    return this.type;
+  }
+
+  /**
+   * The coordinate on the workspace.
+   *
+   * @returns The workspace coordinate or null if the location is not a
+   *     workspace.
+   */
+  getWsCoordinate(): Coordinate {
+    return this.wsCoordinate;
+  }
+
+  /**
+   * Whether the node points to a connection.
+   *
+   * @returns [description]
+   * @internal
+   */
+  isConnection(): boolean {
+    return this.isConnectionLocation;
+  }
+
+  /**
+   * Given an input find the next editable field or an input with a non null
+   * connection in the same block. The current location must be an input
+   * connection.
+   *
+   * @returns The AST node holding the next field or connection or null if there
+   *     is no editable field or input connection after the given input.
+   */
+  private findNextForInput(): ASTNode | null {
+    const location = this.location as Connection;
+    const parentInput = location.getParentInput();
+    const block = parentInput!.getSourceBlock();
+    // AnyDuringMigration because:  Argument of type 'Input | null' is not
+    // assignable to parameter of type 'Input'.
+    const curIdx = block!.inputList.indexOf(parentInput as AnyDuringMigration);
+    for (let i = curIdx + 1; i < block!.inputList.length; i++) {
+      const input = block!.inputList[i];
+      const fieldRow = input.fieldRow;
+      for (let j = 0; j < fieldRow.length; j++) {
+        const field = fieldRow[j];
+        if (field.isClickable() || ASTNode.NAVIGATE_ALL_FIELDS) {
+          return ASTNode.createFieldNode(field);
+        }
+      }
+      if (input.connection) {
+        return ASTNode.createInputNode(input);
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Given a field find the next editable field or an input with a non null
+   * connection in the same block. The current location must be a field.
+   *
+   * @returns The AST node pointing to the next field or connection or null if
+   *     there is no editable field or input connection after the given input.
+   */
+  private findNextForField(): ASTNode | null {
+    const location = this.location as Field;
+    const input = location.getParentInput();
+    const block = location.getSourceBlock();
+    if (!block) {
+      throw new Error(
+        'The current AST location is not associated with a block',
+      );
+    }
+    const curIdx = block.inputList.indexOf(input);
+    let fieldIdx = input.fieldRow.indexOf(location) + 1;
+    for (let i = curIdx; i < block.inputList.length; i++) {
+      const newInput = block.inputList[i];
+      const fieldRow = newInput.fieldRow;
+      while (fieldIdx < fieldRow.length) {
+        if (fieldRow[fieldIdx].isClickable() || ASTNode.NAVIGATE_ALL_FIELDS) {
+          return ASTNode.createFieldNode(fieldRow[fieldIdx]);
+        }
+        fieldIdx++;
+      }
+      fieldIdx = 0;
+      if (newInput.connection) {
+        return ASTNode.createInputNode(newInput);
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Given an input find the previous editable field or an input with a non null
+   * connection in the same block. The current location must be an input
+   * connection.
+   *
+   * @returns The AST node holding the previous field or connection.
+   */
+  private findPrevForInput(): ASTNode | null {
+    const location = this.location as Connection;
+    const parentInput = location.getParentInput();
+    const block = parentInput!.getSourceBlock();
+    // AnyDuringMigration because:  Argument of type 'Input | null' is not
+    // assignable to parameter of type 'Input'.
+    const curIdx = block!.inputList.indexOf(parentInput as AnyDuringMigration);
+    for (let i = curIdx; i >= 0; i--) {
+      const input = block!.inputList[i];
+      if (input.connection && input !== parentInput) {
+        return ASTNode.createInputNode(input);
+      }
+      const fieldRow = input.fieldRow;
+      for (let j = fieldRow.length - 1; j >= 0; j--) {
+        const field = fieldRow[j];
+        if (field.isClickable() || ASTNode.NAVIGATE_ALL_FIELDS) {
+          return ASTNode.createFieldNode(field);
+        }
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Given a field find the previous editable field or an input with a non null
+   * connection in the same block. The current location must be a field.
+   *
+   * @returns The AST node holding the previous input or field.
+   */
+  private findPrevForField(): ASTNode | null {
+    const location = this.location as Field;
+    const parentInput = location.getParentInput();
+    const block = location.getSourceBlock();
+    if (!block) {
+      throw new Error(
+        'The current AST location is not associated with a block',
+      );
+    }
+    const curIdx = block.inputList.indexOf(parentInput);
+    let fieldIdx = parentInput.fieldRow.indexOf(location) - 1;
+    for (let i = curIdx; i >= 0; i--) {
+      const input = block.inputList[i];
+      if (input.connection && input !== parentInput) {
+        return ASTNode.createInputNode(input);
+      }
+      const fieldRow = input.fieldRow;
+      while (fieldIdx > -1) {
+        if (fieldRow[fieldIdx].isClickable() || ASTNode.NAVIGATE_ALL_FIELDS) {
+          return ASTNode.createFieldNode(fieldRow[fieldIdx]);
+        }
+        fieldIdx--;
+      }
+      // Reset the fieldIdx to the length of the field row of the previous
+      // input.
+      if (i - 1 >= 0) {
+        fieldIdx = block.inputList[i - 1].fieldRow.length - 1;
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Navigate between stacks of blocks on the workspace.
+   *
+   * @param forward True to go forward. False to go backwards.
+   * @returns The first block of the next stack or null if there are no blocks
+   *     on the workspace.
+   */
+  private navigateBetweenStacks(forward: boolean): ASTNode | null {
+    let curLocation = this.getLocation();
+    // TODO(#6097): Use instanceof checks to exit early for values of
+    // curLocation that don't make sense.
+    if ((curLocation as IASTNodeLocationWithBlock).getSourceBlock) {
+      const block = (curLocation as IASTNodeLocationWithBlock).getSourceBlock();
+      if (block) {
+        curLocation = block;
+      }
+    }
+    // TODO(#6097): Use instanceof checks to exit early for values of
+    // curLocation that don't make sense.
+    const curLocationAsBlock = curLocation as Block;
+    if (!curLocationAsBlock || curLocationAsBlock.isDeadOrDying()) {
+      return null;
+    }
+    if (curLocationAsBlock.workspace.isFlyout) {
+      return this.navigateFlyoutContents(forward);
+    }
+    const curRoot = curLocationAsBlock.getRootBlock();
+    const topBlocks = curRoot.workspace.getTopBlocks(true);
+    for (let i = 0; i < topBlocks.length; i++) {
+      const topBlock = topBlocks[i];
+      if (curRoot.id === topBlock.id) {
+        const offset = forward ? 1 : -1;
+        const resultIndex = i + offset;
+        if (resultIndex === -1 || resultIndex === topBlocks.length) {
+          return null;
+        }
+        return ASTNode.createStackNode(topBlocks[resultIndex]);
+      }
+    }
+    throw Error(
+      "Couldn't find " + (forward ? 'next' : 'previous') + ' stack?!',
+    );
+  }
+
+  /**
+   * Navigate between buttons and stacks of blocks on the flyout workspace.
+   *
+   * @param forward True to go forward. False to go backwards.
+   * @returns The next button, or next stack's first block, or null
+   */
+  private navigateFlyoutContents(forward: boolean): ASTNode | null {
+    const nodeType = this.getType();
+    let location;
+    let targetWorkspace;
+
+    switch (nodeType) {
+      case ASTNode.types.STACK: {
+        location = this.getLocation() as Block;
+        const workspace = location.workspace as WorkspaceSvg;
+        targetWorkspace = workspace.targetWorkspace as WorkspaceSvg;
+        break;
+      }
+      case ASTNode.types.BUTTON: {
+        location = this.getLocation() as FlyoutButton;
+        targetWorkspace = location.getTargetWorkspace() as WorkspaceSvg;
+        break;
+      }
+      default:
+        return null;
+    }
+
+    const flyout = targetWorkspace.getFlyout();
+    if (!flyout) return null;
+
+    const nextItem = this.findNextLocationInFlyout(
+      flyout.getContents(),
+      location,
+      forward,
+    );
+    if (!nextItem) return null;
+
+    if (nextItem.type === 'button' && nextItem.button) {
+      return ASTNode.createButtonNode(nextItem.button);
+    } else if (nextItem.type === 'block' && nextItem.block) {
+      return ASTNode.createStackNode(nextItem.block);
+    }
+
+    return null;
+  }
+
+  /**
+   * Finds the next (or previous if navigating backward) item in the flyout that should be navigated to.
+   *
+   * @param flyoutContents Contents of the current flyout.
+   * @param currentLocation Current ASTNode location.
+   * @param forward True if we're navigating forward, else false.
+   * @returns The next (or previous) FlyoutItem, or null if there is none.
+   */
+  private findNextLocationInFlyout(
+    flyoutContents: FlyoutItem[],
+    currentLocation: IASTNodeLocation,
+    forward: boolean,
+  ): FlyoutItem | null {
+    const currentIndex = flyoutContents.findIndex((item: FlyoutItem) => {
+      if (currentLocation instanceof Block && item.block === currentLocation) {
+        return true;
+      }
+      if (
+        currentLocation instanceof FlyoutButton &&
+        item.button === currentLocation
+      ) {
+        return true;
+      }
+      return false;
+    });
+
+    if (currentIndex < 0) return null;
+
+    const resultIndex = forward ? currentIndex + 1 : currentIndex - 1;
+    if (resultIndex === -1 || resultIndex === flyoutContents.length) {
+      return null;
+    }
+
+    return flyoutContents[resultIndex];
+  }
+
+  /**
+   * Finds the top most AST node for a given block.
+   * This is either the previous connection, output connection or block
+   * depending on what kind of connections the block has.
+   *
+   * @param block The block that we want to find the top connection on.
+   * @returns The AST node containing the top connection.
+   */
+  private findTopASTNodeForBlock(block: Block): ASTNode | null {
+    const topConnection = getParentConnection(block);
+    if (topConnection) {
+      return ASTNode.createConnectionNode(topConnection);
+    } else {
+      return ASTNode.createBlockNode(block);
+    }
+  }
+
+  /**
+   * Get the AST node pointing to the input that the block is nested under or if
+   * the block is not nested then get the stack AST node.
+   *
+   * @param block The source block of the current location.
+   * @returns The AST node pointing to the input connection or the top block of
+   *     the stack this block is in.
+   */
+  private getOutAstNodeForBlock(block: Block): ASTNode | null {
+    if (!block) {
+      return null;
+    }
+    // If the block doesn't have a previous connection then it is the top of the
+    // substack.
+    const topBlock = block.getTopStackBlock();
+    const topConnection = getParentConnection(topBlock);
+    // If the top connection has a parentInput, create an AST node pointing to
+    // that input.
+    if (
+      topConnection &&
+      topConnection.targetConnection &&
+      topConnection.targetConnection.getParentInput()
+    ) {
+      // AnyDuringMigration because:  Argument of type 'Input | null' is not
+      // assignable to parameter of type 'Input'.
+      return ASTNode.createInputNode(
+        topConnection.targetConnection.getParentInput() as AnyDuringMigration,
+      );
+    } else {
+      // Go to stack level if you are not underneath an input.
+      return ASTNode.createStackNode(topBlock);
+    }
+  }
+
+  /**
+   * Find the first editable field or input with a connection on a given block.
+   *
+   * @param block The source block of the current location.
+   * @returns An AST node pointing to the first field or input.
+   * Null if there are no editable fields or inputs with connections on the
+   * block.
+   */
+  private findFirstFieldOrInput(block: Block): ASTNode | null {
+    const inputs = block.inputList;
+    for (let i = 0; i < inputs.length; i++) {
+      const input = inputs[i];
+      const fieldRow = input.fieldRow;
+      for (let j = 0; j < fieldRow.length; j++) {
+        const field = fieldRow[j];
+        if (field.isClickable() || ASTNode.NAVIGATE_ALL_FIELDS) {
+          return ASTNode.createFieldNode(field);
+        }
+      }
+      if (input.connection) {
+        return ASTNode.createInputNode(input);
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Finds the source block of the location of this node.
+   *
+   * @returns The source block of the location, or null if the node is of type
+   *     workspace or button.
+   */
+  getSourceBlock(): Block | null {
+    if (this.getType() === ASTNode.types.BLOCK) {
+      return this.getLocation() as Block;
+    } else if (this.getType() === ASTNode.types.STACK) {
+      return this.getLocation() as Block;
+    } else if (this.getType() === ASTNode.types.WORKSPACE) {
+      return null;
+    } else if (this.getType() === ASTNode.types.BUTTON) {
+      return null;
+    } else {
+      return (this.getLocation() as IASTNodeLocationWithBlock).getSourceBlock();
+    }
+  }
+
+  /**
+   * Find the element to the right of the current element in the AST.
+   *
+   * @returns An AST node that wraps the next field, connection, block, or
+   *     workspace. Or null if there is no node to the right.
+   */
+  next(): ASTNode | null {
+    switch (this.type) {
+      case ASTNode.types.STACK:
+        return this.navigateBetweenStacks(true);
+
+      case ASTNode.types.OUTPUT: {
+        const connection = this.location as Connection;
+        return ASTNode.createBlockNode(connection.getSourceBlock());
+      }
+      case ASTNode.types.FIELD:
+        return this.findNextForField();
+
+      case ASTNode.types.INPUT:
+        return this.findNextForInput();
+
+      case ASTNode.types.BLOCK: {
+        const block = this.location as Block;
+        const nextConnection = block.nextConnection;
+        if (!nextConnection) return null;
+        return ASTNode.createConnectionNode(nextConnection);
+      }
+      case ASTNode.types.PREVIOUS: {
+        const connection = this.location as Connection;
+        return ASTNode.createBlockNode(connection.getSourceBlock());
+      }
+      case ASTNode.types.NEXT: {
+        const connection = this.location as Connection;
+        const targetConnection = connection.targetConnection;
+        return ASTNode.createConnectionNode(targetConnection!);
+      }
+      case ASTNode.types.BUTTON:
+        return this.navigateFlyoutContents(true);
+    }
+
+    return null;
+  }
+
+  /**
+   * Find the element one level below and all the way to the left of the current
+   * location.
+   *
+   * @returns An AST node that wraps the next field, connection, workspace, or
+   *     block. Or null if there is nothing below this node.
+   */
+  in(): ASTNode | null {
+    switch (this.type) {
+      case ASTNode.types.WORKSPACE: {
+        const workspace = this.location as Workspace;
+        const topBlocks = workspace.getTopBlocks(true);
+        if (topBlocks.length > 0) {
+          return ASTNode.createStackNode(topBlocks[0]);
+        }
+        break;
+      }
+      case ASTNode.types.STACK: {
+        const block = this.location as Block;
+        return this.findTopASTNodeForBlock(block);
+      }
+      case ASTNode.types.BLOCK: {
+        const block = this.location as Block;
+        return this.findFirstFieldOrInput(block);
+      }
+      case ASTNode.types.INPUT: {
+        const connection = this.location as Connection;
+        const targetConnection = connection.targetConnection;
+        return ASTNode.createConnectionNode(targetConnection!);
+      }
+    }
+
+    return null;
+  }
+
+  /**
+   * Find the element to the left of the current element in the AST.
+   *
+   * @returns An AST node that wraps the previous field, connection, workspace
+   *     or block. Or null if no node exists to the left. null.
+   */
+  prev(): ASTNode | null {
+    switch (this.type) {
+      case ASTNode.types.STACK:
+        return this.navigateBetweenStacks(false);
+
+      case ASTNode.types.OUTPUT:
+        return null;
+
+      case ASTNode.types.FIELD:
+        return this.findPrevForField();
+
+      case ASTNode.types.INPUT:
+        return this.findPrevForInput();
+
+      case ASTNode.types.BLOCK: {
+        const block = this.location as Block;
+        const topConnection = getParentConnection(block);
+        if (!topConnection) return null;
+        return ASTNode.createConnectionNode(topConnection);
+      }
+      case ASTNode.types.PREVIOUS: {
+        const connection = this.location as Connection;
+        const targetConnection = connection.targetConnection;
+        if (targetConnection && !targetConnection.getParentInput()) {
+          return ASTNode.createConnectionNode(targetConnection);
+        }
+        break;
+      }
+      case ASTNode.types.NEXT: {
+        const connection = this.location as Connection;
+        return ASTNode.createBlockNode(connection.getSourceBlock());
+      }
+      case ASTNode.types.BUTTON:
+        return this.navigateFlyoutContents(false);
+    }
+
+    return null;
+  }
+
+  /**
+   * Find the next element that is one position above and all the way to the
+   * left of the current location.
+   *
+   * @returns An AST node that wraps the next field, connection, workspace or
+   *     block. Or null if we are at the workspace level.
+   */
+  out(): ASTNode | null {
+    switch (this.type) {
+      case ASTNode.types.STACK: {
+        const block = this.location as Block;
+        const blockPos = block.getRelativeToSurfaceXY();
+        // TODO: Make sure this is in the bounds of the workspace.
+        const wsCoordinate = new Coordinate(
+          blockPos.x,
+          blockPos.y + ASTNode.DEFAULT_OFFSET_Y,
+        );
+        return ASTNode.createWorkspaceNode(block.workspace, wsCoordinate);
+      }
+      case ASTNode.types.OUTPUT: {
+        const connection = this.location as Connection;
+        const target = connection.targetConnection;
+        if (target) {
+          return ASTNode.createConnectionNode(target);
+        }
+        return ASTNode.createStackNode(connection.getSourceBlock());
+      }
+      case ASTNode.types.FIELD: {
+        const field = this.location as Field;
+        const block = field.getSourceBlock();
+        if (!block) {
+          throw new Error(
+            'The current AST location is not associated with a block',
+          );
+        }
+        return ASTNode.createBlockNode(block);
+      }
+      case ASTNode.types.INPUT: {
+        const connection = this.location as Connection;
+        return ASTNode.createBlockNode(connection.getSourceBlock());
+      }
+      case ASTNode.types.BLOCK: {
+        const block = this.location as Block;
+        return this.getOutAstNodeForBlock(block);
+      }
+      case ASTNode.types.PREVIOUS: {
+        const connection = this.location as Connection;
+        return this.getOutAstNodeForBlock(connection.getSourceBlock());
+      }
+      case ASTNode.types.NEXT: {
+        const connection = this.location as Connection;
+        return this.getOutAstNodeForBlock(connection.getSourceBlock());
+      }
+    }
+
+    return null;
+  }
+
+  /**
+   * Whether an AST node of the given type points to a connection.
+   *
+   * @param type The type to check.  One of ASTNode.types.
+   * @returns True if a node of the given type points to a connection.
+   */
+  private static isConnectionType(type: string): boolean {
+    switch (type) {
+      case ASTNode.types.PREVIOUS:
+      case ASTNode.types.NEXT:
+      case ASTNode.types.INPUT:
+      case ASTNode.types.OUTPUT:
+        return true;
+    }
+    return false;
+  }
+
+  /**
+   * Create an AST node pointing to a field.
+   *
+   * @param field The location of the AST node.
+   * @returns An AST node pointing to a field.
+   */
+  static createFieldNode(field: Field): ASTNode | null {
+    if (!field) {
+      return null;
+    }
+    return new ASTNode(ASTNode.types.FIELD, field);
+  }
+
+  /**
+   * Creates an AST node pointing to a connection. If the connection has a
+   * parent input then create an AST node of type input that will hold the
+   * connection.
+   *
+   * @param connection This is the connection the node will point to.
+   * @returns An AST node pointing to a connection.
+   */
+  static createConnectionNode(connection: Connection): ASTNode | null {
+    if (!connection) {
+      return null;
+    }
+    const type = connection.type;
+    if (type === ConnectionType.INPUT_VALUE) {
+      // AnyDuringMigration because:  Argument of type 'Input | null' is not
+      // assignable to parameter of type 'Input'.
+      return ASTNode.createInputNode(
+        connection.getParentInput() as AnyDuringMigration,
+      );
+    } else if (
+      type === ConnectionType.NEXT_STATEMENT &&
+      connection.getParentInput()
+    ) {
+      // AnyDuringMigration because:  Argument of type 'Input | null' is not
+      // assignable to parameter of type 'Input'.
+      return ASTNode.createInputNode(
+        connection.getParentInput() as AnyDuringMigration,
+      );
+    } else if (type === ConnectionType.NEXT_STATEMENT) {
+      return new ASTNode(ASTNode.types.NEXT, connection);
+    } else if (type === ConnectionType.OUTPUT_VALUE) {
+      return new ASTNode(ASTNode.types.OUTPUT, connection);
+    } else if (type === ConnectionType.PREVIOUS_STATEMENT) {
+      return new ASTNode(ASTNode.types.PREVIOUS, connection);
+    }
+    return null;
+  }
+
+  /**
+   * Creates an AST node pointing to an input. Stores the input connection as
+   * the location.
+   *
+   * @param input The input used to create an AST node.
+   * @returns An AST node pointing to a input.
+   */
+  static createInputNode(input: Input): ASTNode | null {
+    if (!input || !input.connection) {
+      return null;
+    }
+    return new ASTNode(ASTNode.types.INPUT, input.connection);
+  }
+
+  /**
+   * Creates an AST node pointing to a block.
+   *
+   * @param block The block used to create an AST node.
+   * @returns An AST node pointing to a block.
+   */
+  static createBlockNode(block: Block): ASTNode | null {
+    if (!block) {
+      return null;
+    }
+    return new ASTNode(ASTNode.types.BLOCK, block);
+  }
+
+  /**
+   * Create an AST node of type stack. A stack, represented by its top block, is
+   *     the set of all blocks connected to a top block, including the top
+   * block.
+   *
+   * @param topBlock A top block has no parent and can be found in the list
+   *     returned by workspace.getTopBlocks().
+   * @returns An AST node of type stack that points to the top block on the
+   *     stack.
+   */
+  static createStackNode(topBlock: Block): ASTNode | null {
+    if (!topBlock) {
+      return null;
+    }
+    return new ASTNode(ASTNode.types.STACK, topBlock);
+  }
+
+  /**
+   * Create an AST node of type button. A button in this case refers
+   * specifically to a button in a flyout.
+   *
+   * @param button A top block has no parent and can be found in the list
+   *     returned by workspace.getTopBlocks().
+   * @returns An AST node of type stack that points to the top block on the
+   *     stack.
+   */
+  static createButtonNode(button: FlyoutButton): ASTNode | null {
+    if (!button) {
+      return null;
+    }
+    return new ASTNode(ASTNode.types.BUTTON, button);
+  }
+
+  /**
+   * Creates an AST node pointing to a workspace.
+   *
+   * @param workspace The workspace that we are on.
+   * @param wsCoordinate The position on the workspace for this node.
+   * @returns An AST node pointing to a workspace and a position on the
+   *     workspace.
+   */
+  static createWorkspaceNode(
+    workspace: Workspace | null,
+    wsCoordinate: Coordinate | null,
+  ): ASTNode | null {
+    if (!wsCoordinate || !workspace) {
+      return null;
+    }
+    const params = {wsCoordinate};
+    return new ASTNode(ASTNode.types.WORKSPACE, workspace, params);
+  }
+
+  /**
+   * Creates an AST node for the top position on a block.
+   * This is either an output connection, previous connection, or block.
+   *
+   * @param block The block to find the top most AST node on.
+   * @returns The AST node holding the top most position on the block.
+   */
+  static createTopNode(block: Block): ASTNode | null {
+    let astNode;
+    const topConnection = getParentConnection(block);
+    if (topConnection) {
+      astNode = ASTNode.createConnectionNode(topConnection);
+    } else {
+      astNode = ASTNode.createBlockNode(block);
+    }
+    return astNode;
+  }
+}
+
+export namespace ASTNode {
+  export interface Params {
+    wsCoordinate: Coordinate;
+  }
+
+  export enum types {
+    FIELD = 'field',
+    BLOCK = 'block',
+    INPUT = 'input',
+    OUTPUT = 'output',
+    NEXT = 'next',
+    PREVIOUS = 'previous',
+    STACK = 'stack',
+    WORKSPACE = 'workspace',
+    BUTTON = 'button',
+  }
+}
+
+export type Params = ASTNode.Params;
+// No need to export ASTNode.types from the module at this time because (1) it
+// wasn't automatically converted by the automatic migration script, (2) the
+// name doesn't follow the styleguide.
+
+/**
+ * Gets the parent connection on a block.
+ * This is either an output connection, previous connection or undefined.
+ * If both connections exist return the one that is actually connected
+ * to another block.
+ *
+ * @param block The block to find the parent connection on.
+ * @returns The connection connecting to the parent of the block.
+ */
+function getParentConnection(block: Block): Connection | null {
+  let topConnection = block.outputConnection;
+  if (
+    !topConnection ||
+    (block.previousConnection && block.previousConnection.isConnected())
+  ) {
+    topConnection = block.previousConnection;
+  }
+  return topConnection;
+}
diff --git a/core/keyboard_nav/basic_cursor.js b/core/keyboard_nav/basic_cursor.js
deleted file mode 100644
index dca508745fb..00000000000
--- a/core/keyboard_nav/basic_cursor.js
+++ /dev/null
@@ -1,208 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The class representing a basic cursor.
- * Used to demo switching between different cursors.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-'use strict';
-
-goog.provide('Blockly.BasicCursor');
-
-goog.require('Blockly.ASTNode');
-goog.require('Blockly.Cursor');
-
-
-/**
- * Class for a basic cursor.
- * This will allow the user to get to all nodes in the AST by hitting next or
- * previous.
- * @constructor
- * @extends {Blockly.Cursor}
- */
-Blockly.BasicCursor = function() {
-  Blockly.BasicCursor.superClass_.constructor.call(this);
-};
-Blockly.utils.object.inherits(Blockly.BasicCursor, Blockly.Cursor);
-
-/**
- * Find the next node in the pre order traversal.
- * @return {Blockly.ASTNode} The next node, or null if the current node is
- *     not set or there is no next value.
- * @override
- */
-Blockly.BasicCursor.prototype.next = function() {
-  var curNode = this.getCurNode();
-  if (!curNode) {
-    return null;
-  }
-  var newNode = this.getNextNode_(curNode, this.validNode_);
-
-  if (newNode) {
-    this.setCurNode(newNode);
-  }
-  return newNode;
-};
-
-/**
- * For a basic cursor we only have the ability to go next and previous, so
- * in will also allow the user to get to the next node in the pre order traversal.
- * @return {Blockly.ASTNode} The next node, or null if the current node is
- *     not set or there is no next value.
- * @override
- */
-Blockly.BasicCursor.prototype.in = function() {
-  return this.next();
-};
-
-/**
- * Find the previous node in the pre order traversal.
- * @return {Blockly.ASTNode} The previous node, or null if the current node
- *     is not set or there is no previous value.
- * @override
- */
-Blockly.BasicCursor.prototype.prev = function() {
-  var curNode = this.getCurNode();
-  if (!curNode) {
-    return null;
-  }
-  var newNode = this.getPreviousNode_(curNode, this.validNode_);
-
-  if (newNode) {
-    this.setCurNode(newNode);
-  }
-  return newNode;
-};
-
-/**
- * For a basic cursor we only have the ability to go next and previous, so
- * out will allow the user to get to the previous node in the pre order traversal.
- * @return {Blockly.ASTNode} The previous node, or null if the current node is
- *     not set or there is no previous value.
- * @override
- */
-Blockly.BasicCursor.prototype.out = function() {
-  return this.prev();
-};
-
-/**
- * Uses pre order traversal to navigate the Blockly AST. This will allow
- * a user to easily navigate the entire Blockly AST without having to go in
- * and out levels on the tree.
- * @param {Blockly.ASTNode} node The current position in the AST.
- * @param {!function(Blockly.ASTNode) : boolean} isValid A function true/false
- *     depending on whether the given node should be traversed.
- * @return {Blockly.ASTNode} The next node in the traversal.
- * @protected
- */
-Blockly.BasicCursor.prototype.getNextNode_ = function(node, isValid) {
-  if (!node) {
-    return null;
-  }
-  var newNode = node.in() || node.next();
-  if (isValid(newNode)) {
-    return newNode;
-  } else if (newNode) {
-    return this.getNextNode_(newNode, isValid);
-  }
-  var siblingOrParent = this.findSiblingOrParent_(node.out());
-  if (isValid(siblingOrParent)) {
-    return siblingOrParent;
-  } else if (siblingOrParent) {
-    return this.getNextNode_(siblingOrParent, isValid);
-  }
-  return null;
-};
-
-/**
- * Reverses the pre order traversal in order to find the previous node. This will
- * allow a user to easily navigate the entire Blockly AST without having to go in
- * and out levels on the tree.
- * @param {Blockly.ASTNode} node The current position in the AST.
- * @param {!function(Blockly.ASTNode) : boolean} isValid A function true/false
- *     depending on whether the given node should be traversed.
- * @return {Blockly.ASTNode} The previous node in the traversal or null if no
- *     previous node exists.
- * @protected
- */
-Blockly.BasicCursor.prototype.getPreviousNode_ = function(node, isValid) {
-  if (!node) {
-    return null;
-  }
-  var newNode = node.prev();
-
-  if (newNode) {
-    newNode = this.getRightMostChild_(newNode);
-  } else {
-    newNode = node.out();
-  }
-  if (isValid(newNode)) {
-    return newNode;
-  } else if (newNode) {
-    return this.getPreviousNode_(newNode, isValid);
-  }
-  return null;
-};
-
-/**
- * Decides what nodes to traverse and which ones to skip. Currently, it
- * skips output, stack and workspace nodes.
- * @param {Blockly.ASTNode} node The AST node to check whether it is valid.
- * @return {boolean} True if the node should be visited, false otherwise.
- * @protected
- */
-Blockly.BasicCursor.prototype.validNode_ = function(node) {
-  var isValid = false;
-  var type = node && node.getType();
-  if (type == Blockly.ASTNode.types.OUTPUT ||
-      type == Blockly.ASTNode.types.INPUT ||
-      type == Blockly.ASTNode.types.FIELD ||
-      type == Blockly.ASTNode.types.NEXT ||
-      type == Blockly.ASTNode.types.PREVIOUS ||
-      type == Blockly.ASTNode.types.WORKSPACE) {
-    isValid = true;
-  }
-  return isValid;
-};
-
-/**
- * From the given node find either the next valid sibling or parent.
- * @param {Blockly.ASTNode} node The current position in the AST.
- * @return {Blockly.ASTNode} The parent AST node or null if there are no
- *     valid parents.
- * @private
- */
-Blockly.BasicCursor.prototype.findSiblingOrParent_ = function(node) {
-  if (!node) {
-    return null;
-  }
-  var nextNode = node.next();
-  if (nextNode) {
-    return nextNode;
-  }
-  return this.findSiblingOrParent_(node.out());
-};
-
-
-/**
- * Get the right most child of a node.
- * @param {Blockly.ASTNode} node The node to find the right most child of.
- * @return {Blockly.ASTNode} The right most child of the given node, or the node
- *     if no child exists.
- * @private
- */
-Blockly.BasicCursor.prototype.getRightMostChild_ = function(node) {
-  if (!node.in()) {
-    return node;
-  }
-  var newNode = node.in();
-  while (newNode.next()) {
-    newNode = newNode.next();
-  }
-  return this.getRightMostChild_(newNode);
-
-};
diff --git a/core/keyboard_nav/basic_cursor.ts b/core/keyboard_nav/basic_cursor.ts
new file mode 100644
index 00000000000..95b5e2f4d51
--- /dev/null
+++ b/core/keyboard_nav/basic_cursor.ts
@@ -0,0 +1,223 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * The class representing a basic cursor.
+ * Used to demo switching between different cursors.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.BasicCursor
+
+import * as registry from '../registry.js';
+
+import {ASTNode} from './ast_node.js';
+import {Cursor} from './cursor.js';
+
+/**
+ * Class for a basic cursor.
+ * This will allow the user to get to all nodes in the AST by hitting next or
+ * previous.
+ */
+export class BasicCursor extends Cursor {
+  /** Name used for registering a basic cursor. */
+  static readonly registrationName = 'basicCursor';
+
+  constructor() {
+    super();
+  }
+
+  /**
+   * Find the next node in the pre order traversal.
+   *
+   * @returns The next node, or null if the current node is not set or there is
+   *     no next value.
+   */
+  override next(): ASTNode | null {
+    const curNode = this.getCurNode();
+    if (!curNode) {
+      return null;
+    }
+    const newNode = this.getNextNode_(curNode, this.validNode_);
+
+    if (newNode) {
+      this.setCurNode(newNode);
+    }
+    return newNode;
+  }
+
+  /**
+   * For a basic cursor we only have the ability to go next and previous, so
+   * in will also allow the user to get to the next node in the pre order
+   * traversal.
+   *
+   * @returns The next node, or null if the current node is not set or there is
+   *     no next value.
+   */
+  override in(): ASTNode | null {
+    return this.next();
+  }
+
+  /**
+   * Find the previous node in the pre order traversal.
+   *
+   * @returns The previous node, or null if the current node is not set or there
+   *     is no previous value.
+   */
+  override prev(): ASTNode | null {
+    const curNode = this.getCurNode();
+    if (!curNode) {
+      return null;
+    }
+    const newNode = this.getPreviousNode_(curNode, this.validNode_);
+
+    if (newNode) {
+      this.setCurNode(newNode);
+    }
+    return newNode;
+  }
+
+  /**
+   * For a basic cursor we only have the ability to go next and previous, so
+   * out will allow the user to get to the previous node in the pre order
+   * traversal.
+   *
+   * @returns The previous node, or null if the current node is not set or there
+   *     is no previous value.
+   */
+  override out(): ASTNode | null {
+    return this.prev();
+  }
+
+  /**
+   * Uses pre order traversal to navigate the Blockly AST. This will allow
+   * a user to easily navigate the entire Blockly AST without having to go in
+   * and out levels on the tree.
+   *
+   * @param node The current position in the AST.
+   * @param isValid A function true/false depending on whether the given node
+   *     should be traversed.
+   * @returns The next node in the traversal.
+   */
+  protected getNextNode_(
+    node: ASTNode | null,
+    isValid: (p1: ASTNode | null) => boolean,
+  ): ASTNode | null {
+    if (!node) {
+      return null;
+    }
+    const newNode = node.in() || node.next();
+    if (isValid(newNode)) {
+      return newNode;
+    } else if (newNode) {
+      return this.getNextNode_(newNode, isValid);
+    }
+    const siblingOrParent = this.findSiblingOrParent(node.out());
+    if (isValid(siblingOrParent)) {
+      return siblingOrParent;
+    } else if (siblingOrParent) {
+      return this.getNextNode_(siblingOrParent, isValid);
+    }
+    return null;
+  }
+
+  /**
+   * Reverses the pre order traversal in order to find the previous node. This
+   * will allow a user to easily navigate the entire Blockly AST without having
+   * to go in and out levels on the tree.
+   *
+   * @param node The current position in the AST.
+   * @param isValid A function true/false depending on whether the given node
+   *     should be traversed.
+   * @returns The previous node in the traversal or null if no previous node
+   *     exists.
+   */
+  protected getPreviousNode_(
+    node: ASTNode | null,
+    isValid: (p1: ASTNode | null) => boolean,
+  ): ASTNode | null {
+    if (!node) {
+      return null;
+    }
+    let newNode: ASTNode | null = node.prev();
+
+    if (newNode) {
+      newNode = this.getRightMostChild(newNode);
+    } else {
+      newNode = node.out();
+    }
+    if (isValid(newNode)) {
+      return newNode;
+    } else if (newNode) {
+      return this.getPreviousNode_(newNode, isValid);
+    }
+    return null;
+  }
+
+  /**
+   * Decides what nodes to traverse and which ones to skip. Currently, it
+   * skips output, stack and workspace nodes.
+   *
+   * @param node The AST node to check whether it is valid.
+   * @returns True if the node should be visited, false otherwise.
+   */
+  protected validNode_(node: ASTNode | null): boolean {
+    let isValid = false;
+    const type = node && node.getType();
+    if (
+      type === ASTNode.types.OUTPUT ||
+      type === ASTNode.types.INPUT ||
+      type === ASTNode.types.FIELD ||
+      type === ASTNode.types.NEXT ||
+      type === ASTNode.types.PREVIOUS ||
+      type === ASTNode.types.WORKSPACE
+    ) {
+      isValid = true;
+    }
+    return isValid;
+  }
+
+  /**
+   * From the given node find either the next valid sibling or parent.
+   *
+   * @param node The current position in the AST.
+   * @returns The parent AST node or null if there are no valid parents.
+   */
+  private findSiblingOrParent(node: ASTNode | null): ASTNode | null {
+    if (!node) {
+      return null;
+    }
+    const nextNode = node.next();
+    if (nextNode) {
+      return nextNode;
+    }
+    return this.findSiblingOrParent(node.out());
+  }
+
+  /**
+   * Get the right most child of a node.
+   *
+   * @param node The node to find the right most child of.
+   * @returns The right most child of the given node, or the node if no child
+   *     exists.
+   */
+  private getRightMostChild(node: ASTNode | null): ASTNode | null {
+    if (!node!.in()) {
+      return node;
+    }
+    let newNode = node!.in();
+    while (newNode && newNode.next()) {
+      newNode = newNode.next();
+    }
+    return this.getRightMostChild(newNode);
+  }
+}
+
+registry.register(
+  registry.Type.CURSOR,
+  BasicCursor.registrationName,
+  BasicCursor,
+);
diff --git a/core/keyboard_nav/cursor.js b/core/keyboard_nav/cursor.js
deleted file mode 100644
index ab5aa9218b9..00000000000
--- a/core/keyboard_nav/cursor.js
+++ /dev/null
@@ -1,170 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The class representing a cursor.
- * Used primarily for keyboard navigation.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-'use strict';
-
-goog.provide('Blockly.Cursor');
-
-goog.require('Blockly.Action');
-goog.require('Blockly.ASTNode');
-goog.require('Blockly.Marker');
-goog.require('Blockly.navigation');
-goog.require('Blockly.utils.object');
-
-goog.requireType('Blockly.IBlocklyActionable');
-
-
-/**
- * Class for a cursor.
- * A cursor controls how a user navigates the Blockly AST.
- * @constructor
- * @extends {Blockly.Marker}
- * @implements {Blockly.IBlocklyActionable}
- */
-Blockly.Cursor = function() {
-  Blockly.Cursor.superClass_.constructor.call(this);
-
-  /**
-   * @override
-   */
-  this.type = 'cursor';
-};
-Blockly.utils.object.inherits(Blockly.Cursor, Blockly.Marker);
-
-/**
- * Find the next connection, field, or block.
- * @return {Blockly.ASTNode} The next element, or null if the current node is
- *     not set or there is no next value.
- * @protected
- */
-Blockly.Cursor.prototype.next = function() {
-  var curNode = this.getCurNode();
-  if (!curNode) {
-    return null;
-  }
-
-  var newNode = curNode.next();
-  while (newNode && newNode.next() &&
-    (newNode.getType() == Blockly.ASTNode.types.NEXT ||
-    newNode.getType() == Blockly.ASTNode.types.BLOCK)) {
-    newNode = newNode.next();
-  }
-
-  if (newNode) {
-    this.setCurNode(newNode);
-  }
-  return newNode;
-};
-
-/**
- * Find the in connection or field.
- * @return {Blockly.ASTNode} The in element, or null if the current node is
- *     not set or there is no in value.
- * @protected
- */
-Blockly.Cursor.prototype.in = function() {
-  var curNode = this.getCurNode();
-  if (!curNode) {
-    return null;
-  }
-  // If we are on a previous or output connection, go to the block level before
-  // performing next operation.
-  if (curNode.getType() == Blockly.ASTNode.types.PREVIOUS ||
-    curNode.getType() == Blockly.ASTNode.types.OUTPUT) {
-    curNode = curNode.next();
-  }
-  var newNode = curNode.in();
-
-  if (newNode) {
-    this.setCurNode(newNode);
-  }
-  return newNode;
-};
-
-/**
- * Find the previous connection, field, or block.
- * @return {Blockly.ASTNode} The previous element, or null if the current node
- *     is not set or there is no previous value.
- * @protected
- */
-Blockly.Cursor.prototype.prev = function() {
-  var curNode = this.getCurNode();
-  if (!curNode) {
-    return null;
-  }
-  var newNode = curNode.prev();
-
-  while (newNode && newNode.prev() &&
-    (newNode.getType() == Blockly.ASTNode.types.NEXT ||
-    newNode.getType() == Blockly.ASTNode.types.BLOCK)) {
-    newNode = newNode.prev();
-  }
-
-  if (newNode) {
-    this.setCurNode(newNode);
-  }
-  return newNode;
-};
-
-/**
- * Find the out connection, field, or block.
- * @return {Blockly.ASTNode} The out element, or null if the current node is
- *     not set or there is no out value.
- * @protected
- */
-Blockly.Cursor.prototype.out = function() {
-  var curNode = this.getCurNode();
-  if (!curNode) {
-    return null;
-  }
-  var newNode = curNode.out();
-
-  if (newNode && newNode.getType() == Blockly.ASTNode.types.BLOCK) {
-    newNode = newNode.prev() || newNode;
-  }
-
-  if (newNode) {
-    this.setCurNode(newNode);
-  }
-  return newNode;
-};
-
-/**
- * Handles the given action.
- * This is only triggered when keyboard navigation is enabled.
- * @param {!Blockly.Action} action The action to be handled.
- * @return {boolean} True if the action has been handled, false otherwise.
- */
-Blockly.Cursor.prototype.onBlocklyAction = function(action) {
-  // If we are on a field give it the option to handle the action
-  if (this.getCurNode() &&
-      this.getCurNode().getType() === Blockly.ASTNode.types.FIELD &&
-      (/** @type {!Blockly.Field} */ (this.getCurNode().getLocation()))
-          .onBlocklyAction(action)) {
-    return true;
-  }
-  switch (action.name) {
-    case Blockly.navigation.actionNames.PREVIOUS:
-      this.prev();
-      return true;
-    case Blockly.navigation.actionNames.OUT:
-      this.out();
-      return true;
-    case Blockly.navigation.actionNames.NEXT:
-      this.next();
-      return true;
-    case Blockly.navigation.actionNames.IN:
-      this.in();
-      return true;
-    default:
-      return false;
-  }
-};
diff --git a/core/keyboard_nav/cursor.ts b/core/keyboard_nav/cursor.ts
new file mode 100644
index 00000000000..da0a50f1cb6
--- /dev/null
+++ b/core/keyboard_nav/cursor.ts
@@ -0,0 +1,138 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * The class representing a cursor.
+ * Used primarily for keyboard navigation.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Cursor
+
+import * as registry from '../registry.js';
+
+import {ASTNode} from './ast_node.js';
+import {Marker} from './marker.js';
+
+/**
+ * Class for a cursor.
+ * A cursor controls how a user navigates the Blockly AST.
+ */
+export class Cursor extends Marker {
+  override type = 'cursor';
+
+  constructor() {
+    super();
+  }
+
+  /**
+   * Find the next connection, field, or block.
+   *
+   * @returns The next element, or null if the current node is not set or there
+   *     is no next value.
+   */
+  next(): ASTNode | null {
+    const curNode = this.getCurNode();
+    if (!curNode) {
+      return null;
+    }
+
+    let newNode = curNode.next();
+    while (
+      newNode &&
+      newNode.next() &&
+      (newNode.getType() === ASTNode.types.NEXT ||
+        newNode.getType() === ASTNode.types.BLOCK)
+    ) {
+      newNode = newNode.next();
+    }
+
+    if (newNode) {
+      this.setCurNode(newNode);
+    }
+    return newNode;
+  }
+
+  /**
+   * Find the in connection or field.
+   *
+   * @returns The in element, or null if the current node is not set or there is
+   *     no in value.
+   */
+  in(): ASTNode | null {
+    let curNode: ASTNode | null = this.getCurNode();
+    if (!curNode) {
+      return null;
+    }
+    // If we are on a previous or output connection, go to the block level
+    // before performing next operation.
+    if (
+      curNode.getType() === ASTNode.types.PREVIOUS ||
+      curNode.getType() === ASTNode.types.OUTPUT
+    ) {
+      curNode = curNode.next();
+    }
+    const newNode = curNode?.in() ?? null;
+
+    if (newNode) {
+      this.setCurNode(newNode);
+    }
+    return newNode;
+  }
+
+  /**
+   * Find the previous connection, field, or block.
+   *
+   * @returns The previous element, or null if the current node is not set or
+   *     there is no previous value.
+   */
+  prev(): ASTNode | null {
+    const curNode = this.getCurNode();
+    if (!curNode) {
+      return null;
+    }
+    let newNode = curNode.prev();
+
+    while (
+      newNode &&
+      newNode.prev() &&
+      (newNode.getType() === ASTNode.types.NEXT ||
+        newNode.getType() === ASTNode.types.BLOCK)
+    ) {
+      newNode = newNode.prev();
+    }
+
+    if (newNode) {
+      this.setCurNode(newNode);
+    }
+    return newNode;
+  }
+
+  /**
+   * Find the out connection, field, or block.
+   *
+   * @returns The out element, or null if the current node is not set or there
+   *     is no out value.
+   */
+  out(): ASTNode | null {
+    const curNode = this.getCurNode();
+    if (!curNode) {
+      return null;
+    }
+    let newNode = curNode.out();
+
+    if (newNode && newNode.getType() === ASTNode.types.BLOCK) {
+      newNode = newNode.prev() || newNode;
+    }
+
+    if (newNode) {
+      this.setCurNode(newNode);
+    }
+    return newNode;
+  }
+}
+
+registry.register(registry.Type.CURSOR, registry.DEFAULT, Cursor);
diff --git a/core/keyboard_nav/flyout_cursor.js b/core/keyboard_nav/flyout_cursor.js
deleted file mode 100644
index abe7a80a3e0..00000000000
--- a/core/keyboard_nav/flyout_cursor.js
+++ /dev/null
@@ -1,106 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The class representing a cursor used to navigate the flyout.
- * Used primarily for keyboard navigation.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-'use strict';
-
-goog.provide('Blockly.FlyoutCursor');
-
-goog.require('Blockly.Cursor');
-goog.require('Blockly.navigation');
-goog.require('Blockly.utils.object');
-
-
-/**
- * Class for a flyout cursor.
- * This controls how a user navigates blocks in the flyout.
- * @constructor
- * @extends {Blockly.Cursor}
- */
-Blockly.FlyoutCursor = function() {
-  Blockly.FlyoutCursor.superClass_.constructor.call(this);
-};
-Blockly.utils.object.inherits(Blockly.FlyoutCursor, Blockly.Cursor);
-
-/**
- * Handles the given action.
- * This is only triggered when keyboard navigation is enabled.
- * @param {!Blockly.Action} action The action to be handled.
- * @return {boolean} True if the action has been handled, false otherwise.
- * @override
- */
-Blockly.FlyoutCursor.prototype.onBlocklyAction = function(action) {
-  switch (action.name) {
-    case Blockly.navigation.actionNames.PREVIOUS:
-      this.prev();
-      return true;
-    case Blockly.navigation.actionNames.NEXT:
-      this.next();
-      return true;
-    default:
-      return false;
-  }
-};
-
-/**
- * Find the next connection, field, or block.
- * @return {Blockly.ASTNode} The next element, or null if the current node is
- *     not set or there is no next value.
- * @override
- */
-Blockly.FlyoutCursor.prototype.next = function() {
-  var curNode = this.getCurNode();
-  if (!curNode) {
-    return null;
-  }
-  var newNode = curNode.next();
-
-  if (newNode) {
-    this.setCurNode(newNode);
-  }
-  return newNode;
-};
-
-/**
- * This is a  no-op since a flyout cursor can not go in.
- * @return {null} Always null.
- * @override
- */
-Blockly.FlyoutCursor.prototype.in = function() {
-  return null;
-};
-
-/**
- * Find the previous connection, field, or block.
- * @return {Blockly.ASTNode} The previous element, or null if the current node
- *     is not set or there is no previous value.
- * @override
- */
-Blockly.FlyoutCursor.prototype.prev = function() {
-  var curNode = this.getCurNode();
-  if (!curNode) {
-    return null;
-  }
-  var newNode = curNode.prev();
-
-  if (newNode) {
-    this.setCurNode(newNode);
-  }
-  return newNode;
-};
-
-/**
- * This is a  no-op since a flyout cursor can not go out.
- * @return {null} Always null.
- * @override
- */
-Blockly.FlyoutCursor.prototype.out = function() {
-  return null;
-};
diff --git a/core/keyboard_nav/key_map.js b/core/keyboard_nav/key_map.js
deleted file mode 100644
index 9ae9bc1b06a..00000000000
--- a/core/keyboard_nav/key_map.js
+++ /dev/null
@@ -1,190 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The namespace used to keep track of keyboard actions and the
- * key codes used to execute those actions.
- * This is used primarily for keyboard navigation.
- */
-'use strict';
-
-goog.provide('Blockly.user.keyMap');
-
-// TODO: Fix circular dependency.
-// goog.require('Blockly.navigation');
-goog.require('Blockly.utils.KeyCodes');
-goog.require('Blockly.utils.object');
-
-
-/**
- * Holds the serialized key to key action mapping.
- * @type {!Object<string, Blockly.Action>}
- * @private
- */
-Blockly.user.keyMap.map_ = {};
-
-/**
- * Object holding valid modifiers.
- * @enum {string}
- */
-Blockly.user.keyMap.modifierKeys = {
-  SHIFT: 'Shift',
-  CONTROL: 'Control',
-  ALT: 'Alt',
-  META: 'Meta'
-};
-
-/**
- * Update the key map to contain the new action.
- * @param {string} keyCode The key code serialized by the serializeKeyEvent.
- * @param {!Blockly.Action} action The action to be executed when the keys
- *     corresponding to the serialized key code is pressed.
- */
-Blockly.user.keyMap.setActionForKey = function(keyCode, action) {
-  var oldKey = Blockly.user.keyMap.getKeyByAction(action);
-  // If the action already exists in the key map remove it and add the new mapping.
-  if (oldKey) {
-    delete Blockly.user.keyMap.map_[oldKey];
-  }
-  Blockly.user.keyMap.map_[keyCode] = action;
-};
-
-/**
- * Creates a new key map.
- * @param {!Object<string, Blockly.Action>} keyMap The object holding the key
- *     to action mapping.
- */
-Blockly.user.keyMap.setKeyMap = function(keyMap) {
-  Blockly.user.keyMap.map_ = keyMap;
-};
-
-/**
- * Gets the current key map.
- * @return {Object<string,Blockly.Action>} The object holding the key to
- *     action mapping.
- */
-Blockly.user.keyMap.getKeyMap = function() {
-  var map = {};
-  Blockly.utils.object.mixin(map, Blockly.user.keyMap.map_);
-  return map;
-};
-
-/**
- * Get the action by the serialized key code.
- * @param {string} keyCode The serialized key code.
- * @return {Blockly.Action|undefined} The action holding the function to
- *     call when the given keyCode is used or undefined if no action exists.
- */
-Blockly.user.keyMap.getActionByKeyCode = function(keyCode) {
-  return Blockly.user.keyMap.map_[keyCode];
-};
-
-/**
- * Get the serialized key that corresponds to the action.
- * @param {!Blockly.Action} action The action for which we want to get
- *     the key.
- * @return {?string} The serialized key or null if the action does not have
- *     a key mapping.
- */
-Blockly.user.keyMap.getKeyByAction = function(action) {
-  var keys = Object.keys(Blockly.user.keyMap.map_);
-  for (var i = 0, key; (key = keys[i]); i++) {
-    if (Blockly.user.keyMap.map_[key].name === action.name) {
-      return key;
-    }
-  }
-  return null;
-};
-
-/**
- * Serialize the key event.
- * @param {!KeyboardEvent} e A key up event holding the key code.
- * @return {string} A string containing the serialized key event.
- * @package
- */
-Blockly.user.keyMap.serializeKeyEvent = function(e) {
-  var modifiers = Blockly.utils.object.values(Blockly.user.keyMap.modifierKeys);
-  var key = '';
-  for (var i = 0, keyName; (keyName = modifiers[i]); i++) {
-    if (e.getModifierState(keyName)) {
-      key += keyName;
-    }
-  }
-  key += e.keyCode;
-  return key;
-};
-
-/**
- * Checks whether any of the given modifiers are not valid.
- * @param {!Array.<string>} modifiers List of modifiers to be used with the key.
- * @param {!Array.<string>} validModifiers List of modifiers we support.
- * @throws {Error} if the modifier is not in the valid modifiers list.
- * @private
- */
-Blockly.user.keyMap.checkModifiers_ = function(modifiers, validModifiers) {
-  for (var i = 0, modifier; (modifier = modifiers[i]); i++) {
-    if (validModifiers.indexOf(modifier) < 0) {
-      throw Error(modifier + ' is not a valid modifier key.');
-    }
-  }
-};
-
-/**
- * Create the serialized key code that will be used in the key map.
- * @param {number} keyCode Number code representing the key.
- * @param {!Array.<string>} modifiers List of modifiers to be used with the key.
- *     All valid modifiers can be found in the Blockly.user.keyMap.modifierKeys.
- * @return {string} The serialized key code for the given modifiers and key.
- */
-Blockly.user.keyMap.createSerializedKey = function(keyCode, modifiers) {
-  var key = '';
-  var validModifiers = Blockly.utils.object.values(Blockly.user.keyMap.modifierKeys);
-  Blockly.user.keyMap.checkModifiers_(modifiers, validModifiers);
-  for (var i = 0, validModifier; (validModifier = validModifiers[i]); i++) {
-    if (modifiers.indexOf(validModifier) > -1) {
-      key += validModifier;
-    }
-  }
-  key += keyCode;
-  return key;
-};
-
-/**
- * Creates the default key map.
- * @return {!Object<string,Blockly.Action>} An object holding the default key
- *     to action mapping.
- */
-Blockly.user.keyMap.createDefaultKeyMap = function() {
-  var map = {};
-  var controlK = Blockly.user.keyMap.createSerializedKey(
-      Blockly.utils.KeyCodes.K, [Blockly.user.keyMap.modifierKeys.CONTROL,
-        Blockly.user.keyMap.modifierKeys.SHIFT]);
-  var shiftW = Blockly.user.keyMap.createSerializedKey(
-      Blockly.utils.KeyCodes.W, [Blockly.user.keyMap.modifierKeys.SHIFT]);
-  var shiftA = Blockly.user.keyMap.createSerializedKey(
-      Blockly.utils.KeyCodes.A, [Blockly.user.keyMap.modifierKeys.SHIFT]);
-  var shiftS = Blockly.user.keyMap.createSerializedKey(
-      Blockly.utils.KeyCodes.S, [Blockly.user.keyMap.modifierKeys.SHIFT]);
-  var shiftD = Blockly.user.keyMap.createSerializedKey(
-      Blockly.utils.KeyCodes.D, [Blockly.user.keyMap.modifierKeys.SHIFT]);
-
-  map[Blockly.utils.KeyCodes.W] = Blockly.navigation.ACTION_PREVIOUS;
-  map[Blockly.utils.KeyCodes.A] = Blockly.navigation.ACTION_OUT;
-  map[Blockly.utils.KeyCodes.S] = Blockly.navigation.ACTION_NEXT;
-  map[Blockly.utils.KeyCodes.D] = Blockly.navigation.ACTION_IN;
-  map[Blockly.utils.KeyCodes.I] = Blockly.navigation.ACTION_INSERT;
-  map[Blockly.utils.KeyCodes.ENTER] = Blockly.navigation.ACTION_MARK;
-  map[Blockly.utils.KeyCodes.X] = Blockly.navigation.ACTION_DISCONNECT;
-  map[Blockly.utils.KeyCodes.T] = Blockly.navigation.ACTION_TOOLBOX;
-  map[Blockly.utils.KeyCodes.E] = Blockly.navigation.ACTION_EXIT;
-  map[Blockly.utils.KeyCodes.ESC] = Blockly.navigation.ACTION_EXIT;
-  map[controlK] = Blockly.navigation.ACTION_TOGGLE_KEYBOARD_NAV;
-  map[shiftW] = Blockly.navigation.ACTION_MOVE_WS_CURSOR_UP;
-  map[shiftA] = Blockly.navigation.ACTION_MOVE_WS_CURSOR_LEFT;
-  map[shiftS] = Blockly.navigation.ACTION_MOVE_WS_CURSOR_DOWN;
-  map[shiftD] = Blockly.navigation.ACTION_MOVE_WS_CURSOR_RIGHT;
-  return map;
-};
diff --git a/core/keyboard_nav/marker.js b/core/keyboard_nav/marker.js
deleted file mode 100644
index 2394e393e1e..00000000000
--- a/core/keyboard_nav/marker.js
+++ /dev/null
@@ -1,120 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The class representing a marker.
- * Used primarily for keyboard navigation to show a marked location.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-'use strict';
-
-goog.provide('Blockly.Marker');
-
-goog.require('Blockly.ASTNode');
-goog.require('Blockly.navigation');
-
-
-/**
- * Class for a marker.
- * This is used in keyboard navigation to save a location in the Blockly AST.
- * @constructor
- */
-Blockly.Marker = function() {
-  /**
-   * The colour of the marker.
-   * @type {?string}
-   */
-  this.colour = null;
-
-  /**
-   * The current location of the marker.
-   * @type {Blockly.ASTNode}
-   * @private
-   */
-  this.curNode_ = null;
-
-  /**
-   * The object in charge of drawing the visual representation of the current node.
-   * @type {Blockly.blockRendering.MarkerSvg}
-   * @private
-   */
-  this.drawer_ = null;
-
-  /**
-   * The type of the marker.
-   * @type {string}
-   */
-  this.type = 'marker';
-};
-
-/**
- * Sets the object in charge of drawing the marker.
- * @param {Blockly.blockRendering.MarkerSvg} drawer The object in charge of
- *     drawing the marker.
- */
-Blockly.Marker.prototype.setDrawer = function(drawer) {
-  this.drawer_ = drawer;
-};
-
-/**
- * Get the current drawer for the marker.
- * @return {Blockly.blockRendering.MarkerSvg} The object in charge of drawing
- *     the marker.
- */
-Blockly.Marker.prototype.getDrawer = function() {
-  return this.drawer_;
-};
-
-/**
- * Gets the current location of the marker.
- * @return {Blockly.ASTNode} The current field, connection, or block the marker
- *     is on.
- */
-Blockly.Marker.prototype.getCurNode = function() {
-  return this.curNode_;
-};
-
-/**
- * Set the location of the marker and call the update method.
- * Setting isStack to true will only work if the newLocation is the top most
- * output or previous connection on a stack.
- * @param {Blockly.ASTNode} newNode The new location of the marker.
- */
-Blockly.Marker.prototype.setCurNode = function(newNode) {
-  var oldNode = this.curNode_;
-  this.curNode_ = newNode;
-  if (this.drawer_) {
-    this.drawer_.draw(oldNode, this.curNode_);
-  }
-};
-
-/**
- * Redraw the current marker.
- * @package
- */
-Blockly.Marker.prototype.draw = function() {
-  if (this.drawer_) {
-    this.drawer_.draw(this.curNode_, this.curNode_);
-  }
-};
-
-/**
- * Hide the marker SVG.
- */
-Blockly.Marker.prototype.hide = function() {
-  if (this.drawer_) {
-    this.drawer_.hide();
-  }
-};
-
-/**
- * Dispose of this marker.
- */
-Blockly.Marker.prototype.dispose = function() {
-  if (this.getDrawer()) {
-    this.getDrawer().dispose();
-  }
-};
diff --git a/core/keyboard_nav/marker.ts b/core/keyboard_nav/marker.ts
new file mode 100644
index 00000000000..9653e6b8548
--- /dev/null
+++ b/core/keyboard_nav/marker.ts
@@ -0,0 +1,113 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * The class representing a marker.
+ * Used primarily for keyboard navigation to show a marked location.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Marker
+
+/* eslint-disable-next-line no-unused-vars */
+import type {MarkerSvg} from '../renderers/common/marker_svg.js';
+
+import type {ASTNode} from './ast_node.js';
+
+/**
+ * Class for a marker.
+ * This is used in keyboard navigation to save a location in the Blockly AST.
+ */
+export class Marker {
+  /** The colour of the marker. */
+  colour: string | null = null;
+
+  /** The current location of the marker. */
+  // AnyDuringMigration because:  Type 'null' is not assignable to type
+  // 'ASTNode'.
+  private curNode: ASTNode = null as AnyDuringMigration;
+
+  /**
+   * The object in charge of drawing the visual representation of the current
+   * node.
+   */
+  // AnyDuringMigration because:  Type 'null' is not assignable to type
+  // 'MarkerSvg'.
+  private drawer: MarkerSvg = null as AnyDuringMigration;
+
+  /** The type of the marker. */
+  type = 'marker';
+
+  /** Constructs a new Marker instance. */
+  constructor() {}
+
+  /**
+   * Sets the object in charge of drawing the marker.
+   *
+   * @param drawer The object in charge of drawing the marker.
+   */
+  setDrawer(drawer: MarkerSvg) {
+    this.drawer = drawer;
+  }
+
+  /**
+   * Get the current drawer for the marker.
+   *
+   * @returns The object in charge of drawing the marker.
+   */
+  getDrawer(): MarkerSvg {
+    return this.drawer;
+  }
+
+  /**
+   * Gets the current location of the marker.
+   *
+   * @returns The current field, connection, or block the marker is on.
+   */
+  getCurNode(): ASTNode {
+    return this.curNode;
+  }
+
+  /**
+   * Set the location of the marker and call the update method.
+   * Setting isStack to true will only work if the newLocation is the top most
+   * output or previous connection on a stack.
+   *
+   * @param newNode The new location of the marker.
+   */
+  setCurNode(newNode: ASTNode) {
+    const oldNode = this.curNode;
+    this.curNode = newNode;
+    if (this.drawer) {
+      this.drawer.draw(oldNode, this.curNode);
+    }
+  }
+
+  /**
+   * Redraw the current marker.
+   *
+   * @internal
+   */
+  draw() {
+    if (this.drawer) {
+      this.drawer.draw(this.curNode, this.curNode);
+    }
+  }
+
+  /** Hide the marker SVG. */
+  hide() {
+    if (this.drawer) {
+      this.drawer.hide();
+    }
+  }
+
+  /** Dispose of this marker. */
+  dispose() {
+    if (this.getDrawer()) {
+      this.getDrawer().dispose();
+    }
+  }
+}
diff --git a/core/keyboard_nav/navigation.js b/core/keyboard_nav/navigation.js
deleted file mode 100644
index 2040894fc69..00000000000
--- a/core/keyboard_nav/navigation.js
+++ /dev/null
@@ -1,1084 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The class in charge of handling actions related to keyboard
- *     navigation.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-'use strict';
-
-goog.provide('Blockly.navigation');
-
-goog.require('Blockly.Action');
-goog.require('Blockly.ASTNode');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.user.keyMap');
-
-
-/**
- * A function to call to give feedback to the user about logs, warnings, and
- * errors.  You can override this to customize feedback (e.g. warning sounds,
- * reading out the warning text, etc).
- * Null by default.
- * The first argument is one of 'log', 'warn', and 'error'.
- * The second argument is the message.
- * @type {?function(string, string)}
- * @public
- */
-Blockly.navigation.loggingCallback = null;
-
-/**
- * State indicating focus is currently on the flyout.
- * @type {number}
- * @const
- */
-Blockly.navigation.STATE_FLYOUT = 1;
-
-/**
- * State indicating focus is currently on the workspace.
- * @type {number}
- * @const
- */
-Blockly.navigation.STATE_WS = 2;
-
-/**
- * State indicating focus is currently on the toolbox.
- * @type {number}
- * @const
- */
-Blockly.navigation.STATE_TOOLBOX = 3;
-
-/**
- * The distance to move the cursor on the workspace.
- * @type {number}
- * @const
- */
-Blockly.navigation.WS_MOVE_DISTANCE = 40;
-
-/**
- * The current state the user is in.
- * Initialized to workspace state since a user enters navigation mode by shift
- * clicking on a block or workspace.
- * @type {number}
- * @private
- */
-Blockly.navigation.currentState_ = Blockly.navigation.STATE_WS;
-
-/**
- * Object holding default action names.
- * @enum {string}
- */
-Blockly.navigation.actionNames = {
-  PREVIOUS: 'previous',
-  NEXT: 'next',
-  IN: 'in',
-  OUT: 'out',
-  INSERT: 'insert',
-  MARK: 'mark',
-  DISCONNECT: 'disconnect',
-  TOOLBOX: 'toolbox',
-  EXIT: 'exit',
-  TOGGLE_KEYBOARD_NAV: 'toggle_keyboard_nav',
-  MOVE_WS_CURSOR_UP: 'move workspace cursor up',
-  MOVE_WS_CURSOR_DOWN: 'move workspace cursor down',
-  MOVE_WS_CURSOR_LEFT: 'move workspace cursor left',
-  MOVE_WS_CURSOR_RIGHT: 'move workspace cursor right'
-};
-
-/**
- * The name of the marker reserved for internal use.
- * @type {string}
- * @const
- */
-Blockly.navigation.MARKER_NAME = 'local_marker_1';
-
-/** ****** */
-/** Focus  */
-/** ****** */
-
-/**
- * Get the local marker.
- * @return {Blockly.Marker} The local marker for the main workspace.
- */
-Blockly.navigation.getMarker = function() {
-  return Blockly.navigation.getNavigationWorkspace()
-      .getMarker(Blockly.navigation.MARKER_NAME);
-};
-
-/**
- * Get the workspace that is being navigated.
- * @return {!Blockly.WorkspaceSvg} The workspace being navigated.
- */
-Blockly.navigation.getNavigationWorkspace = function() {
-  return /** @type {!Blockly.WorkspaceSvg} */ (Blockly.getMainWorkspace());
-};
-
-/**
- * If a toolbox exists, set the navigation state to toolbox and select the first
- * category in the toolbox.
- * @private
- */
-Blockly.navigation.focusToolbox_ = function() {
-  var toolbox = Blockly.navigation.getNavigationWorkspace().getToolbox();
-  if (toolbox) {
-    Blockly.navigation.currentState_ = Blockly.navigation.STATE_TOOLBOX;
-    Blockly.navigation.resetFlyout_(false /* shouldHide */);
-
-    if (!Blockly.navigation.getMarker().getCurNode()) {
-      Blockly.navigation.markAtCursor_();
-    }
-    if (!toolbox.getSelectedItem()) {
-      toolbox.selectItemByPosition(0);
-    }
-  }
-};
-
-/**
- * Change focus to the flyout.
- * @private
- */
-Blockly.navigation.focusFlyout_ = function() {
-  var topBlock = null;
-  Blockly.navigation.currentState_ = Blockly.navigation.STATE_FLYOUT;
-  var workspace = Blockly.navigation.getNavigationWorkspace();
-  var toolbox = workspace.getToolbox();
-  var flyout = toolbox ? toolbox.getFlyout() : workspace.getFlyout();
-
-  if (!Blockly.navigation.getMarker().getCurNode()) {
-    Blockly.navigation.markAtCursor_();
-  }
-
-  if (flyout && flyout.getWorkspace()) {
-    var topBlocks = flyout.getWorkspace().getTopBlocks(true);
-    if (topBlocks.length > 0) {
-      topBlock = topBlocks[0];
-      var astNode = Blockly.ASTNode.createStackNode(topBlock);
-      Blockly.navigation.getFlyoutCursor_().setCurNode(astNode);
-    }
-  }
-};
-
-/**
- * Finds where the cursor should go on the workspace. This is either the top
- * block or a set position on the workspace.
- * @private
- */
-Blockly.navigation.focusWorkspace_ = function() {
-  Blockly.hideChaff();
-  var workspace = Blockly.navigation.getNavigationWorkspace();
-  var cursor = workspace.getCursor();
-  var reset = !!workspace.getToolbox();
-  var topBlocks = workspace.getTopBlocks(true);
-
-  Blockly.navigation.resetFlyout_(reset);
-  Blockly.navigation.currentState_ = Blockly.navigation.STATE_WS;
-  if (topBlocks.length > 0) {
-    cursor.setCurNode(Blockly.ASTNode.createTopNode(topBlocks[0]));
-  } else {
-    // TODO: Find the center of the visible workspace.
-    var wsCoord = new Blockly.utils.Coordinate(100, 100);
-    var wsNode = Blockly.ASTNode.createWorkspaceNode(workspace, wsCoord);
-    cursor.setCurNode(wsNode);
-  }
-};
-
-/** ****************** */
-/** Flyout Navigation  */
-/** ****************** */
-
-/**
- * Get the cursor from the flyouts workspace.
- * @return {Blockly.FlyoutCursor} The flyouts cursor or null if no flyout exists.
- * @private
- */
-Blockly.navigation.getFlyoutCursor_ = function() {
-  var workspace = Blockly.navigation.getNavigationWorkspace();
-  var cursor = null;
-  if (workspace.rendered) {
-    var toolbox = workspace.getToolbox();
-    var flyout = toolbox ? toolbox.getFlyout() : workspace.getFlyout();
-    cursor = flyout ? flyout.getWorkspace().getCursor() : null;
-  }
-  return /** @type {Blockly.FlyoutCursor} */ (cursor);
-};
-
-/**
- * If there is a marked connection try connecting the block from the flyout to
- * that connection. If no connection has been marked then inserting will place
- * it on the workspace.
- */
-Blockly.navigation.insertFromFlyout = function() {
-  var workspace = Blockly.navigation.getNavigationWorkspace();
-  var flyout = workspace.getFlyout();
-  if (!flyout || !flyout.isVisible()) {
-    Blockly.navigation.warn_('Trying to insert from the flyout when the flyout does not ' +
-      ' exist or is not visible');
-    return;
-  }
-
-  var curBlock = /** @type {!Blockly.BlockSvg} */ (
-    Blockly.navigation.getFlyoutCursor_().getCurNode().getLocation());
-  if (!curBlock.isEnabled()) {
-    Blockly.navigation.warn_('Can\'t insert a disabled block.');
-    return;
-  }
-
-  var newBlock = flyout.createBlock(curBlock);
-  // Render to get the sizing right.
-  newBlock.render();
-  // Connections are not tracked when the block is first created.  Normally
-  // there's enough time for them to become tracked in the user's mouse
-  // movements, but not here.
-  newBlock.setConnectionTracking(true);
-  workspace.getCursor().setCurNode(
-      Blockly.ASTNode.createBlockNode(newBlock));
-  if (!Blockly.navigation.modify_()) {
-    Blockly.navigation.warn_('Something went wrong while inserting a block from the flyout.');
-  }
-
-  Blockly.navigation.focusWorkspace_();
-  workspace.getCursor().setCurNode(Blockly.ASTNode.createTopNode(newBlock));
-  Blockly.navigation.removeMark_();
-};
-
-/**
- * Reset flyout information, and optionally close the flyout.
- * @param {boolean} shouldHide True if the flyout should be hidden.
- * @private
- */
-Blockly.navigation.resetFlyout_ = function(shouldHide) {
-  if (Blockly.navigation.getFlyoutCursor_()) {
-    Blockly.navigation.getFlyoutCursor_().hide();
-    if (shouldHide) {
-      Blockly.navigation.getNavigationWorkspace().getFlyout().hide();
-    }
-  }
-};
-
-/** **************** */
-/** Modify Workspace */
-/** **************** */
-
-/**
- * Warns the user if the cursor or marker is on a type that can not be connected.
- * @return {boolean} True if the marker and cursor are valid types, false
- *     otherwise.
- * @private
- */
-Blockly.navigation.modifyWarn_ = function() {
-  var markerNode = Blockly.navigation.getMarker().getCurNode();
-  var cursorNode = Blockly.navigation.getNavigationWorkspace()
-      .getCursor().getCurNode();
-
-  if (!markerNode) {
-    Blockly.navigation.warn_('Cannot insert with no marked node.');
-    return false;
-  }
-
-  if (!cursorNode) {
-    Blockly.navigation.warn_('Cannot insert with no cursor node.');
-    return false;
-  }
-  var markerType = markerNode.getType();
-  var cursorType = cursorNode.getType();
-
-  // Check the marker for invalid types.
-  if (markerType == Blockly.ASTNode.types.FIELD) {
-    Blockly.navigation.warn_('Should not have been able to mark a field.');
-    return false;
-  } else if (markerType == Blockly.ASTNode.types.BLOCK) {
-    Blockly.navigation.warn_('Should not have been able to mark a block.');
-    return false;
-  } else if (markerType == Blockly.ASTNode.types.STACK) {
-    Blockly.navigation.warn_('Should not have been able to mark a stack.');
-    return false;
-  }
-
-  // Check the cursor for invalid types.
-  if (cursorType == Blockly.ASTNode.types.FIELD) {
-    Blockly.navigation.warn_('Cannot attach a field to anything else.');
-    return false;
-  } else if (cursorType == Blockly.ASTNode.types.WORKSPACE) {
-    Blockly.navigation.warn_('Cannot attach a workspace to anything else.');
-    return false;
-  }
-  return true;
-};
-
-/**
- * Disconnect the block from its parent and move to the position of the
- * workspace node.
- * @param {Blockly.BlockSvg} block The block to be moved to the workspace.
- * @param {!Blockly.ASTNode} wsNode The workspace node holding the position the
- *     block will be moved to.
- * @return {boolean} True if the block can be moved to the workspace,
- *     false otherwise.
- * @private
- */
-Blockly.navigation.moveBlockToWorkspace_ = function(block, wsNode) {
-  if (!block) {
-    return false;
-  }
-  if (block.isShadow()) {
-    Blockly.navigation.warn_('Cannot move a shadow block to the workspace.');
-    return false;
-  }
-  if (block.getParent()) {
-    block.unplug(false);
-  }
-  block.moveTo(wsNode.getWsCoordinate());
-  return true;
-};
-
-/**
- * Handle the modifier key (currently I for Insert).
- * Tries to connect the current marker and cursor location. Warns the user if
- * the two locations can not be connected.
- * @return {boolean} True if the key was handled; false if something went wrong.
- * @private
- */
-Blockly.navigation.modify_ = function() {
-  var markerNode = Blockly.navigation.getMarker().getCurNode();
-  var cursorNode = Blockly.navigation.getNavigationWorkspace()
-      .getCursor().getCurNode();
-  if (!Blockly.navigation.modifyWarn_()) {
-    return false;
-  }
-
-  var markerType = markerNode.getType();
-  var cursorType = cursorNode.getType();
-
-  var cursorLoc = cursorNode.getLocation();
-  var markerLoc = markerNode.getLocation();
-
-  if (markerNode.isConnection() && cursorNode.isConnection()) {
-    cursorLoc = /** @type {!Blockly.RenderedConnection} */ (cursorLoc);
-    markerLoc = /** @type {!Blockly.RenderedConnection} */ (markerLoc);
-    return Blockly.navigation.connect_(cursorLoc, markerLoc);
-  } else if (markerNode.isConnection() &&
-      (cursorType == Blockly.ASTNode.types.BLOCK ||
-      cursorType == Blockly.ASTNode.types.STACK)) {
-    cursorLoc = /** @type {!Blockly.BlockSvg} */ (cursorLoc);
-    markerLoc = /** @type {!Blockly.RenderedConnection} */ (markerLoc);
-    return Blockly.navigation.insertBlock(cursorLoc, markerLoc);
-  } else if (markerType == Blockly.ASTNode.types.WORKSPACE) {
-    var block = cursorNode ? cursorNode.getSourceBlock() : null;
-    return Blockly.navigation.moveBlockToWorkspace_(
-        /** @type {Blockly.BlockSvg} */ (block), markerNode);
-  }
-  Blockly.navigation.warn_('Unexpected state in Blockly.navigation.modify_.');
-  return false;
-};
-
-/**
- * If one of the connections source blocks is a child of the other, disconnect
- * the child.
- * @param {!Blockly.RenderedConnection} movingConnection The connection that is
- *     being moved.
- * @param {!Blockly.RenderedConnection} destConnection The connection to be
- *     moved to.
- * @private
- */
-Blockly.navigation.disconnectChild_ = function(movingConnection, destConnection) {
-  var movingBlock = movingConnection.getSourceBlock();
-  var destBlock = destConnection.getSourceBlock();
-
-  if (movingBlock.getRootBlock() == destBlock.getRootBlock()) {
-    if (movingBlock.getDescendants(false).indexOf(destBlock) > -1) {
-      Blockly.navigation.getInferiorConnection_(destConnection).disconnect();
-    } else {
-      Blockly.navigation.getInferiorConnection_(movingConnection).disconnect();
-    }
-  }
-};
-
-/**
- * If the two blocks are compatible move the moving connection to the target
- * connection and connect them.
- * @param {Blockly.RenderedConnection} movingConnection The connection that is
- *     being moved.
- * @param {Blockly.RenderedConnection} destConnection The connection to be moved
- *     to.
- * @return {boolean} True if the connections were connected, false otherwise.
- * @private
- */
-Blockly.navigation.moveAndConnect_ = function(movingConnection, destConnection) {
-  if (!movingConnection || !destConnection) {
-    return false;
-  }
-  var movingBlock = movingConnection.getSourceBlock();
-
-  var checker = movingConnection.getConnectionChecker();
-
-  if (checker.canConnect(movingConnection, destConnection, false)) {
-    Blockly.navigation.disconnectChild_(movingConnection, destConnection);
-
-    if (!destConnection.isSuperior()) {
-      var rootBlock = movingBlock.getRootBlock();
-      rootBlock.positionNearConnection(movingConnection, destConnection);
-    }
-    destConnection.connect(movingConnection);
-    return true;
-  }
-  return false;
-};
-
-/**
- * If the given connection is superior find the inferior connection on the
- * source block.
- * @param {Blockly.RenderedConnection} connection The connection trying to be
- *     connected.
- * @return {Blockly.RenderedConnection} The inferior connection or null if none
- *     exists.
- * @private
- */
-Blockly.navigation.getInferiorConnection_ = function(connection) {
-  var block = connection.getSourceBlock();
-  if (!connection.isSuperior()) {
-    return connection;
-  } else if (block.previousConnection) {
-    return block.previousConnection;
-  } else if (block.outputConnection) {
-    return block.outputConnection;
-  } else {
-    return null;
-  }
-};
-
-/**
- * If the given connection is inferior tries to find a superior connection to
- * connect to.
- * @param {Blockly.RenderedConnection} connection The connection trying to be
- *     connected.
- * @return {Blockly.RenderedConnection} The superior connection or null if none
- *     exists.
- * @private
- */
-Blockly.navigation.getSuperiorConnection_ = function(connection) {
-  if (connection.isSuperior()) {
-    return connection;
-  } else if (connection.targetConnection) {
-    return connection.targetConnection;
-  }
-  return null;
-};
-
-/**
- * Tries to connect the  given connections.
- *
- * If the given connections are not compatible try finding compatible connections
- * on the source blocks of the given connections.
- *
- * @param {Blockly.RenderedConnection} movingConnection The connection that is
- *     being moved.
- * @param {Blockly.RenderedConnection} destConnection The connection to be moved
- *     to.
- * @return {boolean} True if the two connections or their target connections
- *     were connected, false otherwise.
- * @private
- */
-Blockly.navigation.connect_ = function(movingConnection, destConnection) {
-  if (!movingConnection || !destConnection) {
-    return false;
-  }
-
-  var movingInferior = Blockly.navigation.getInferiorConnection_(movingConnection);
-  var destSuperior = Blockly.navigation.getSuperiorConnection_(destConnection);
-
-  var movingSuperior = Blockly.navigation.getSuperiorConnection_(movingConnection);
-  var destInferior = Blockly.navigation.getInferiorConnection_(destConnection);
-
-  if (movingInferior && destSuperior &&
-      Blockly.navigation.moveAndConnect_(movingInferior, destSuperior)) {
-    return true;
-  // Try swapping the inferior and superior connections on the blocks.
-  } else if (movingSuperior && destInferior &&
-      Blockly.navigation.moveAndConnect_(movingSuperior, destInferior)) {
-    return true;
-  } else if (Blockly.navigation.moveAndConnect_(movingConnection, destConnection)){
-    return true;
-  } else {
-    var checker = movingConnection.getConnectionChecker();
-    var reason = checker.canConnectWithReason(
-        movingConnection, destConnection, false);
-    Blockly.navigation.warn_('Connection failed with error: ' +
-        checker.getErrorMessage(reason, movingConnection, destConnection));
-    return false;
-  }
-};
-
-/**
- * Tries to connect the given block to the destination connection, making an
- * intelligent guess about which connection to use to on the moving block.
- * @param {!Blockly.BlockSvg} block The block to move.
- * @param {!Blockly.RenderedConnection} destConnection The connection to connect
- *     to.
- * @return {boolean} Whether the connection was successful.
- */
-Blockly.navigation.insertBlock = function(block, destConnection) {
-  switch (destConnection.type) {
-    case Blockly.PREVIOUS_STATEMENT:
-      if (Blockly.navigation.connect_(block.nextConnection, destConnection)) {
-        return true;
-      }
-      break;
-    case Blockly.NEXT_STATEMENT:
-      if (Blockly.navigation.connect_(block.previousConnection, destConnection)) {
-        return true;
-      }
-      break;
-    case Blockly.INPUT_VALUE:
-      if (Blockly.navigation.connect_(block.outputConnection, destConnection)) {
-        return true;
-      }
-      break;
-    case Blockly.OUTPUT_VALUE:
-      for (var i = 0; i < block.inputList.length; i++) {
-        var inputConnection = /** @type {Blockly.RenderedConnection} */ (
-          block.inputList[i].connection);
-        if (inputConnection && inputConnection.type === Blockly.INPUT_VALUE &&
-            Blockly.navigation.connect_(inputConnection, destConnection)) {
-          return true;
-        }
-      }
-      // If there are no input values pass the output and destination connections
-      // to connect_ to find a way to connect the two.
-      if (block.outputConnection &&
-          Blockly.navigation.connect_(block.outputConnection, destConnection)) {
-        return true;
-      }
-      break;
-  }
-  Blockly.navigation.warn_('This block can not be inserted at the marked location.');
-  return false;
-};
-
-/**
- * Disconnect the connection that the cursor is pointing to, and bump blocks.
- * This is a no-op if the connection cannot be broken or if the cursor is not
- * pointing to a connection.
- * @private
- */
-Blockly.navigation.disconnectBlocks_ = function() {
-  var workspace = Blockly.navigation.getNavigationWorkspace();
-  var curNode = workspace.getCursor().getCurNode();
-  if (!curNode.isConnection()) {
-    Blockly.navigation.log_('Cannot disconnect blocks when the cursor is not on a connection');
-    return;
-  }
-  var curConnection =
-    /** @type {!Blockly.RenderedConnection} */ (curNode.getLocation());
-  if (!curConnection.isConnected()) {
-    Blockly.navigation.log_('Cannot disconnect unconnected connection');
-    return;
-  }
-  var superiorConnection =
-      curConnection.isSuperior() ? curConnection : curConnection.targetConnection;
-
-  var inferiorConnection =
-      curConnection.isSuperior() ? curConnection.targetConnection : curConnection;
-
-  if (inferiorConnection.getSourceBlock().isShadow()) {
-    Blockly.navigation.log_('Cannot disconnect a shadow block');
-    return;
-  }
-  superiorConnection.disconnect();
-  inferiorConnection.bumpAwayFrom(superiorConnection);
-
-  var rootBlock = superiorConnection.getSourceBlock().getRootBlock();
-  rootBlock.bringToFront();
-
-  var connectionNode = Blockly.ASTNode.createConnectionNode(superiorConnection);
-  workspace.getCursor().setCurNode(connectionNode);
-};
-
-/** ***************** */
-/** Helper Functions  */
-/** ***************** */
-
-/**
- * Move the marker to the cursor's current location.
- * @private
- */
-Blockly.navigation.markAtCursor_ = function() {
-  Blockly.navigation.getMarker().setCurNode(
-      Blockly.navigation.getNavigationWorkspace().getCursor().getCurNode());
-};
-
-/**
- * Remove the marker from its current location and hide it.
- * @private
- */
-Blockly.navigation.removeMark_ = function() {
-  var marker = Blockly.navigation.getMarker();
-  marker.setCurNode(null);
-  marker.hide();
-};
-
-/**
- * Set the current navigation state.
- * @param {number} newState The new navigation state.
- * @package
- */
-Blockly.navigation.setState = function(newState) {
-  Blockly.navigation.currentState_ = newState;
-};
-
-/**
- * Before a block is deleted move the cursor to the appropriate position.
- * @param {!Blockly.BlockSvg} deletedBlock The block that is being deleted.
- */
-Blockly.navigation.moveCursorOnBlockDelete = function(deletedBlock) {
-  var workspace = Blockly.navigation.getNavigationWorkspace();
-  if (!workspace) {
-    return;
-  }
-  var cursor = workspace.getCursor();
-  if (cursor) {
-    var curNode = cursor.getCurNode();
-    var block = curNode ? curNode.getSourceBlock() : null;
-
-    if (block === deletedBlock) {
-      // If the block has a parent move the cursor to their connection point.
-      if (block.getParent()) {
-        var topConnection = block.previousConnection || block.outputConnection;
-        if (topConnection) {
-          cursor.setCurNode(
-              Blockly.ASTNode.createConnectionNode(topConnection.targetConnection));
-        }
-      } else {
-        // If the block is by itself move the cursor to the workspace.
-        cursor.setCurNode(Blockly.ASTNode.createWorkspaceNode(block.workspace,
-            block.getRelativeToSurfaceXY()));
-      }
-    // If the cursor is on a block whose parent is being deleted, move the
-    // cursor to the workspace.
-    } else if (block && deletedBlock.getChildren(false).indexOf(block) > -1) {
-      cursor.setCurNode(Blockly.ASTNode.createWorkspaceNode(block.workspace,
-          block.getRelativeToSurfaceXY()));
-    }
-  }
-};
-
-/**
- * When a block that the cursor is on is mutated move the cursor to the block
- * level.
- * @param {!Blockly.BlockSvg} mutatedBlock The block that is being mutated.
- * @package
- */
-Blockly.navigation.moveCursorOnBlockMutation = function(mutatedBlock) {
-  var cursor = Blockly.navigation.getNavigationWorkspace().getCursor();
-  if (cursor) {
-    var curNode = cursor.getCurNode();
-    var block = curNode ? curNode.getSourceBlock() : null;
-
-    if (block === mutatedBlock) {
-      cursor.setCurNode(Blockly.ASTNode.createBlockNode(block));
-    }
-  }
-};
-
-/**
- * Enable accessibility mode.
- */
-Blockly.navigation.enableKeyboardAccessibility = function() {
-  var workspace = Blockly.navigation.getNavigationWorkspace();
-  if (!workspace.keyboardAccessibilityMode) {
-    workspace.keyboardAccessibilityMode = true;
-    Blockly.navigation.focusWorkspace_();
-  }
-};
-
-/**
- * Disable accessibility mode.
- */
-Blockly.navigation.disableKeyboardAccessibility = function() {
-  var workspace = Blockly.navigation.getNavigationWorkspace();
-  if (workspace.keyboardAccessibilityMode) {
-    workspace.keyboardAccessibilityMode = false;
-    workspace.getCursor().hide();
-    Blockly.navigation.getMarker().hide();
-    if (Blockly.navigation.getFlyoutCursor_()) {
-      Blockly.navigation.getFlyoutCursor_().hide();
-    }
-  }
-};
-
-/**
- * Navigation log handler. If loggingCallback is defined, use it.
- * Otherwise just log to the console.
- * @param {string} msg The message to log.
- * @private
- */
-Blockly.navigation.log_ = function(msg) {
-  if (Blockly.navigation.loggingCallback) {
-    Blockly.navigation.loggingCallback('log', msg);
-  } else {
-    console.log(msg);
-  }
-};
-
-/**
- * Navigation warning handler. If loggingCallback is defined, use it.
- * Otherwise call Blockly.navigation.warn_.
- * @param {string} msg The warning message.
- * @private
- */
-Blockly.navigation.warn_ = function(msg) {
-  if (Blockly.navigation.loggingCallback) {
-    Blockly.navigation.loggingCallback('warn', msg);
-  } else {
-    console.warn(msg);
-  }
-};
-
-/**
- * Navigation error handler. If loggingCallback is defined, use it.
- * Otherwise call console.error.
- * @param {string} msg The error message.
- * @private
- */
-Blockly.navigation.error_ = function(msg) {
-  if (Blockly.navigation.loggingCallback) {
-    Blockly.navigation.loggingCallback('error', msg);
-  } else {
-    console.error(msg);
-  }
-};
-
-/** ***************** */
-/** Handle Key Press  */
-/** ***************** */
-
-/**
- * Handler for all the keyboard navigation events.
- * @param {!KeyboardEvent} e The keyboard event.
- * @return {boolean} True if the key was handled false otherwise.
- */
-Blockly.navigation.onKeyPress = function(e) {
-  var key = Blockly.user.keyMap.serializeKeyEvent(e);
-  var action = Blockly.user.keyMap.getActionByKeyCode(key);
-
-  if (action) {
-    return Blockly.navigation.onBlocklyAction(action);
-  }
-  return false;
-};
-
-/**
- * Decides which actions to handle depending on keyboard navigation and readonly
- * states.
- * @param {!Blockly.Action} action The current action.
- * @return {boolean} True if the action has been handled, false otherwise.
- */
-Blockly.navigation.onBlocklyAction = function(action) {
-  var workspace = Blockly.navigation.getNavigationWorkspace();
-  var readOnly = workspace.options.readOnly;
-  var actionHandled = false;
-
-  if (workspace.keyboardAccessibilityMode) {
-    if (!readOnly) {
-      actionHandled = Blockly.navigation.handleActions_(action);
-    // If in readonly mode only handle valid actions.
-    } else if (Blockly.navigation.READONLY_ACTION_LIST.indexOf(action) > -1) {
-      actionHandled = Blockly.navigation.handleActions_(action);
-    }
-  // If not in accessibility mode only handle turning on keyboard navigation.
-  } else if (action.name === Blockly.navigation.actionNames.TOGGLE_KEYBOARD_NAV) {
-    Blockly.navigation.enableKeyboardAccessibility();
-    actionHandled = true;
-  }
-  return actionHandled;
-};
-
-/**
- * Handles the action or dispatches to the appropriate action handler.
- * @param {!Blockly.Action} action The action to handle.
- * @return {boolean} True if the action has been handled, false otherwise.
- * @private
- */
-Blockly.navigation.handleActions_ = function(action) {
-  if (action.name == Blockly.navigation.actionNames.TOOLBOX ||
-    Blockly.navigation.currentState_ == Blockly.navigation.STATE_TOOLBOX) {
-    return Blockly.navigation.toolboxOnAction_(action);
-  } else if (action.name == Blockly.navigation.actionNames.TOGGLE_KEYBOARD_NAV) {
-    Blockly.navigation.disableKeyboardAccessibility();
-    return true;
-  } if (Blockly.navigation.currentState_ == Blockly.navigation.STATE_WS) {
-    return Blockly.navigation.workspaceOnAction_(action);
-  } else if (Blockly.navigation.currentState_ == Blockly.navigation.STATE_FLYOUT) {
-    return Blockly.navigation.flyoutOnAction_(action);
-  }
-  return false;
-};
-
-/**
- * Handles the given action for the flyout.
- * @param {!Blockly.Action} action The action to handle.
- * @return {boolean} True if the action has been handled, false otherwise.
- * @private
- */
-Blockly.navigation.flyoutOnAction_ = function(action) {
-  var workspace = Blockly.navigation.getNavigationWorkspace();
-  var toolbox = workspace.getToolbox();
-  var flyout = toolbox ? toolbox.getFlyout() : workspace.getFlyout();
-
-  if (flyout && flyout.onBlocklyAction(action)) {
-    return true;
-  }
-
-  switch (action.name) {
-    case Blockly.navigation.actionNames.OUT:
-      Blockly.navigation.focusToolbox_();
-      return true;
-    case Blockly.navigation.actionNames.MARK:
-      Blockly.navigation.insertFromFlyout();
-      return true;
-    case Blockly.navigation.actionNames.EXIT:
-      Blockly.navigation.focusWorkspace_();
-      return true;
-    default:
-      return false;
-  }
-};
-
-/**
- * Handles the given action for the toolbox.
- * @param {!Blockly.Action} action The action to handle.
- * @return {boolean} True if the action has been handled, false otherwise.
- * @private
- */
-Blockly.navigation.toolboxOnAction_ = function(action) {
-  var workspace = Blockly.navigation.getNavigationWorkspace();
-  var toolbox = workspace.getToolbox();
-  var handled = toolbox && typeof toolbox.onBlocklyAction == 'function' ?
-      toolbox.onBlocklyAction(action) : false;
-
-  if (handled) {
-    return true;
-  }
-
-  if (action.name === Blockly.navigation.actionNames.TOOLBOX) {
-    if (!workspace.getToolbox()) {
-      Blockly.navigation.focusFlyout_();
-    } else {
-      Blockly.navigation.focusToolbox_();
-    }
-    return true;
-  } else if (action.name === Blockly.navigation.actionNames.IN) {
-    Blockly.navigation.focusFlyout_();
-    return true;
-  } else if (action.name === Blockly.navigation.actionNames.EXIT) {
-    Blockly.navigation.focusWorkspace_();
-    return true;
-  }
-  return false;
-};
-
-/**
- * Move the workspace cursor in the given direction.
- * @param {number} xDirection -1 to move cursor left. 1 to move cursor right.
- * @param {number} yDirection -1 to move cursor up. 1 to move cursor down.
- * @return {boolean} True if the current node is a workspace, false otherwise.
- * @private
- */
-Blockly.navigation.moveWSCursor_ = function(xDirection, yDirection) {
-  var workspace = Blockly.navigation.getNavigationWorkspace();
-  var cursor = workspace.getCursor();
-  var curNode = workspace.getCursor().getCurNode();
-
-  if (curNode.getType() !== Blockly.ASTNode.types.WORKSPACE) {
-    return false;
-  }
-
-  var wsCoord = curNode.getWsCoordinate();
-  var newX = xDirection * Blockly.navigation.WS_MOVE_DISTANCE + wsCoord.x;
-  var newY = yDirection * Blockly.navigation.WS_MOVE_DISTANCE + wsCoord.y;
-
-  cursor.setCurNode(Blockly.ASTNode.createWorkspaceNode(
-      workspace, new Blockly.utils.Coordinate(newX, newY)));
-  return true;
-};
-
-/**
- * Handles the given action for the workspace.
- * @param {!Blockly.Action} action The action to handle.
- * @return {boolean} True if the action has been handled, false otherwise.
- * @private
- */
-Blockly.navigation.workspaceOnAction_ = function(action) {
-  var workspace = Blockly.navigation.getNavigationWorkspace();
-  if (workspace.getCursor().onBlocklyAction(action)) {
-    return true;
-  }
-  switch (action.name) {
-    case Blockly.navigation.actionNames.INSERT:
-      Blockly.navigation.modify_();
-      return true;
-    case Blockly.navigation.actionNames.MARK:
-      Blockly.navigation.handleEnterForWS_();
-      return true;
-    case Blockly.navigation.actionNames.DISCONNECT:
-      Blockly.navigation.disconnectBlocks_();
-      return true;
-    case Blockly.navigation.actionNames.MOVE_WS_CURSOR_UP:
-      return Blockly.navigation.moveWSCursor_(0, -1);
-    case Blockly.navigation.actionNames.MOVE_WS_CURSOR_DOWN:
-      return Blockly.navigation.moveWSCursor_(0, 1);
-    case Blockly.navigation.actionNames.MOVE_WS_CURSOR_LEFT:
-      return Blockly.navigation.moveWSCursor_(-1, 0);
-    case Blockly.navigation.actionNames.MOVE_WS_CURSOR_RIGHT:
-      return Blockly.navigation.moveWSCursor_(1, 0);
-    default:
-      return false;
-  }
-};
-
-/**
- * Handles hitting the enter key on the workspace.
- * @private
- */
-Blockly.navigation.handleEnterForWS_ = function() {
-  var cursor = Blockly.navigation.getNavigationWorkspace().getCursor();
-  var curNode = cursor.getCurNode();
-  var nodeType = curNode.getType();
-  if (nodeType == Blockly.ASTNode.types.FIELD) {
-    (/** @type {!Blockly.Field} */(curNode.getLocation())).showEditor();
-  } else if (curNode.isConnection() ||
-      nodeType == Blockly.ASTNode.types.WORKSPACE) {
-    Blockly.navigation.markAtCursor_();
-  } else if (nodeType == Blockly.ASTNode.types.BLOCK) {
-    Blockly.navigation.warn_('Cannot mark a block.');
-  } else if (nodeType == Blockly.ASTNode.types.STACK) {
-    Blockly.navigation.warn_('Cannot mark a stack.');
-  }
-};
-
-/** ******************* */
-/** Navigation Actions  */
-/** ******************* */
-
-/**
- * The previous action.
- * @type {!Blockly.Action}
- */
-Blockly.navigation.ACTION_PREVIOUS = new Blockly.Action(
-    Blockly.navigation.actionNames.PREVIOUS, 'Go to the previous location.');
-
-/**
- * The out action.
- * @type {!Blockly.Action}
- */
-Blockly.navigation.ACTION_OUT = new Blockly.Action(
-    Blockly.navigation.actionNames.OUT,
-    'Go to the parent of the current location.');
-
-/**
- * The next action.
- * @type {!Blockly.Action}
- */
-Blockly.navigation.ACTION_NEXT = new Blockly.Action(
-    Blockly.navigation.actionNames.NEXT, 'Go to the next location.');
-
-/**
- * The in action.
- * @type {!Blockly.Action}
- */
-Blockly.navigation.ACTION_IN = new Blockly.Action(
-    Blockly.navigation.actionNames.IN,
-    'Go to the first child of the current location.');
-
-/**
- * The action to try to insert a block.
- * @type {!Blockly.Action}
- */
-Blockly.navigation.ACTION_INSERT = new Blockly.Action(
-    Blockly.navigation.actionNames.INSERT,
-    'Connect the current location to the marked location.');
-
-/**
- * The action to mark a certain location.
- * @type {!Blockly.Action}
- */
-Blockly.navigation.ACTION_MARK = new Blockly.Action(
-    Blockly.navigation.actionNames.MARK, 'Mark the current location.');
-
-/**
- * The action to disconnect a block.
- * @type {!Blockly.Action}
- */
-Blockly.navigation.ACTION_DISCONNECT = new Blockly.Action(
-    Blockly.navigation.actionNames.DISCONNECT,
-    'Disconnect the block at the current location from its parent.');
-
-/**
- * The action to open the toolbox.
- * @type {!Blockly.Action}
- */
-Blockly.navigation.ACTION_TOOLBOX = new Blockly.Action(
-    Blockly.navigation.actionNames.TOOLBOX, 'Open the toolbox.');
-
-/**
- * The action to exit the toolbox or flyout.
- * @type {!Blockly.Action}
- */
-Blockly.navigation.ACTION_EXIT = new Blockly.Action(
-    Blockly.navigation.actionNames.EXIT,
-    'Close the current modal, such as a toolbox or field editor.');
-
-/**
- * The action to toggle keyboard navigation mode on and off.
- * @type {!Blockly.Action}
- */
-Blockly.navigation.ACTION_TOGGLE_KEYBOARD_NAV = new Blockly.Action(
-    Blockly.navigation.actionNames.TOGGLE_KEYBOARD_NAV,
-    'Turns on and off keyboard navigation.');
-
-/**
- * The action to move the cursor to the left on a workspace.
- * @type {!Blockly.Action}
- */
-Blockly.navigation.ACTION_MOVE_WS_CURSOR_LEFT = new Blockly.Action(
-    Blockly.navigation.actionNames.MOVE_WS_CURSOR_LEFT,
-    'Move the workspace cursor to the lefts.');
-
-/**
- * The action to move the cursor to the right on a workspace.
- * @type {!Blockly.Action}
- */
-Blockly.navigation.ACTION_MOVE_WS_CURSOR_RIGHT = new Blockly.Action(
-    Blockly.navigation.actionNames.MOVE_WS_CURSOR_RIGHT,
-    'Move the workspace cursor to the right.');
-
-/**
- * The action to move the cursor up on a workspace.
- * @type {!Blockly.Action}
- */
-Blockly.navigation.ACTION_MOVE_WS_CURSOR_UP = new Blockly.Action(
-    Blockly.navigation.actionNames.MOVE_WS_CURSOR_UP,
-    'Move the workspace cursor up.');
-
-/**
- * The action to move the cursor down on a workspace.
- * @type {!Blockly.Action}
- */
-Blockly.navigation.ACTION_MOVE_WS_CURSOR_DOWN = new Blockly.Action(
-    Blockly.navigation.actionNames.MOVE_WS_CURSOR_DOWN,
-    'Move the workspace cursor down.');
-
-
-/**
- * List of actions that can be performed in read only mode.
- * @type {!Array.<!Blockly.Action>}
- */
-Blockly.navigation.READONLY_ACTION_LIST = [
-  Blockly.navigation.ACTION_PREVIOUS,
-  Blockly.navigation.ACTION_OUT,
-  Blockly.navigation.ACTION_IN,
-  Blockly.navigation.ACTION_NEXT,
-  Blockly.navigation.ACTION_TOGGLE_KEYBOARD_NAV
-];
diff --git a/core/keyboard_nav/tab_navigate_cursor.js b/core/keyboard_nav/tab_navigate_cursor.js
deleted file mode 100644
index 9b403bd0a90..00000000000
--- a/core/keyboard_nav/tab_navigate_cursor.js
+++ /dev/null
@@ -1,48 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The class representing a cursor that is used to navigate
- * between tab navigable fields.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.TabNavigateCursor');
-
-goog.require('Blockly.ASTNode');
-goog.require('Blockly.BasicCursor');
-goog.require('Blockly.utils.object');
-
-
-/**
- * A cursor for navigating between tab navigable fields.
- * @constructor
- * @extends {Blockly.BasicCursor}
- */
-Blockly.TabNavigateCursor = function() {
-  Blockly.TabNavigateCursor.superClass_.constructor.call(this);
-};
-Blockly.utils.object.inherits(Blockly.TabNavigateCursor, Blockly.BasicCursor);
-
-/**
- * Skip all nodes except for tab navigable fields.
- * @param {Blockly.ASTNode} node The AST node to check whether it is valid.
- * @return {boolean} True if the node should be visited, false otherwise.
- * @override
- */
-Blockly.TabNavigateCursor.prototype.validNode_ = function(node) {
-  var isValid = false;
-  var type = node && node.getType();
-  if (node) {
-    var location = /** @type {Blockly.Field} */ (node.getLocation());
-    if (type == Blockly.ASTNode.types.FIELD &&
-        location && location.isTabNavigable() && location.isClickable()) {
-      isValid = true;
-    }
-  }
-  return isValid;
-};
diff --git a/core/keyboard_nav/tab_navigate_cursor.ts b/core/keyboard_nav/tab_navigate_cursor.ts
new file mode 100644
index 00000000000..20fd3dabb38
--- /dev/null
+++ b/core/keyboard_nav/tab_navigate_cursor.ts
@@ -0,0 +1,46 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * The class representing a cursor that is used to navigate
+ * between tab navigable fields.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.TabNavigateCursor
+
+import type {Field} from '../field.js';
+
+import {ASTNode} from './ast_node.js';
+import {BasicCursor} from './basic_cursor.js';
+
+/**
+ * A cursor for navigating between tab navigable fields.
+ */
+export class TabNavigateCursor extends BasicCursor {
+  /**
+   * Skip all nodes except for tab navigable fields.
+   *
+   * @param node The AST node to check whether it is valid.
+   * @returns True if the node should be visited, false otherwise.
+   */
+  override validNode_(node: ASTNode | null): boolean {
+    let isValid = false;
+    const type = node && node.getType();
+    if (node) {
+      const location = node.getLocation() as Field;
+      if (
+        type === ASTNode.types.FIELD &&
+        location &&
+        location.isTabNavigable() &&
+        location.isClickable()
+      ) {
+        isValid = true;
+      }
+    }
+    return isValid;
+  }
+}
diff --git a/core/layer_manager.ts b/core/layer_manager.ts
new file mode 100644
index 00000000000..e181e680139
--- /dev/null
+++ b/core/layer_manager.ts
@@ -0,0 +1,186 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {WorkspaceSvg} from './workspace_svg.js';
+import * as dom from './utils/dom.js';
+import {Svg} from './utils/svg.js';
+import {IRenderedElement} from './interfaces/i_rendered_element.js';
+import * as layerNums from './layers.js';
+import {Coordinate} from './utils/coordinate.js';
+
+/** @internal */
+export class LayerManager {
+  /** The layer elements being dragged are appended to. */
+  private dragLayer: SVGGElement | undefined;
+  /** The layer elements being animated are appended to. */
+  private animationLayer: SVGGElement | undefined;
+  /** The layers elements not being dragged are appended to.  */
+  private layers = new Map<number, SVGGElement>();
+
+  /** @internal */
+  constructor(private workspace: WorkspaceSvg) {
+    const injectionDiv = workspace.getInjectionDiv();
+    // `getInjectionDiv` is actually nullable. We hit this if the workspace
+    // is part of a flyout and the workspace the flyout is attached to hasn't
+    // been appended yet.
+    if (injectionDiv) {
+      this.dragLayer = this.createDragLayer(injectionDiv);
+      this.animationLayer = this.createAnimationLayer(injectionDiv);
+    }
+
+    // We construct these manually so we can add the css class for backwards
+    // compatibility.
+    const blockLayer = this.createLayer(layerNums.BLOCK);
+    dom.addClass(blockLayer, 'blocklyBlockCanvas');
+    const bubbleLayer = this.createLayer(layerNums.BUBBLE);
+    dom.addClass(bubbleLayer, 'blocklyBubbleCanvas');
+  }
+
+  private createDragLayer(injectionDiv: Element) {
+    const svg = dom.createSvgElement(Svg.SVG, {
+      'class': 'blocklyBlockDragSurface',
+      'xmlns': dom.SVG_NS,
+      'xmlns:html': dom.HTML_NS,
+      'xmlns:xlink': dom.XLINK_NS,
+      'version': '1.1',
+    });
+    injectionDiv.append(svg);
+    return dom.createSvgElement(Svg.G, {}, svg);
+  }
+
+  private createAnimationLayer(injectionDiv: Element) {
+    const svg = dom.createSvgElement(Svg.SVG, {
+      'class': 'blocklyAnimationLayer',
+      'xmlns': dom.SVG_NS,
+      'xmlns:html': dom.HTML_NS,
+      'xmlns:xlink': dom.XLINK_NS,
+      'version': '1.1',
+    });
+    injectionDiv.append(svg);
+    return dom.createSvgElement(Svg.G, {}, svg);
+  }
+
+  /**
+   * Appends the element to the animation layer. The animation layer doesn't
+   * move when the workspace moves, so e.g. delete animations don't move
+   * when a block delete triggers a workspace resize.
+   *
+   * @internal
+   */
+  appendToAnimationLayer(elem: IRenderedElement) {
+    const currentTransform = this.dragLayer?.getAttribute('transform');
+    // Only update the current transform when appending, so animations don't
+    // move if the workspace moves.
+    if (currentTransform) {
+      this.animationLayer?.setAttribute('transform', currentTransform);
+    }
+    this.animationLayer?.appendChild(elem.getSvgRoot());
+  }
+
+  /**
+   * Translates layers when the workspace is dragged or zoomed.
+   *
+   * @internal
+   */
+  translateLayers(newCoord: Coordinate, newScale: number) {
+    const translation = `translate(${newCoord.x}, ${newCoord.y}) scale(${newScale})`;
+    this.dragLayer?.setAttribute('transform', translation);
+    for (const [_, layer] of this.layers) {
+      layer.setAttribute('transform', translation);
+    }
+  }
+
+  /**
+   * Moves the given element to the drag layer, which exists on top of all other
+   * layers, and the drag surface.
+   *
+   * @internal
+   */
+  moveToDragLayer(elem: IRenderedElement) {
+    this.dragLayer?.appendChild(elem.getSvgRoot());
+  }
+
+  /**
+   * Moves the given element off of the drag layer.
+   *
+   * @internal
+   */
+  moveOffDragLayer(elem: IRenderedElement, layerNum: number) {
+    this.append(elem, layerNum);
+  }
+
+  /**
+   * Appends the given element to a layer. If the layer does not exist, it is
+   * created.
+   *
+   * @internal
+   */
+  append(elem: IRenderedElement, layerNum: number) {
+    if (!this.layers.has(layerNum)) {
+      this.createLayer(layerNum);
+    }
+    this.layers.get(layerNum)?.appendChild(elem.getSvgRoot());
+  }
+
+  /**
+   * Creates a layer and inserts it at the proper place given the layer number.
+   *
+   * More positive layers exist later in the dom and are rendered ontop of
+   * less positive layers. Layers are added to the layer map as a side effect.
+   */
+  private createLayer(layerNum: number): SVGGElement {
+    const parent = this.workspace.getSvgGroup();
+    const layer = dom.createSvgElement(Svg.G, {});
+
+    let inserted = false;
+    const sortedLayers = [...this.layers].sort((a, b) => a[0] - b[0]);
+    for (const [num, sib] of sortedLayers) {
+      if (layerNum < num) {
+        parent.insertBefore(layer, sib);
+        inserted = true;
+        break;
+      }
+    }
+    if (!inserted) {
+      parent.appendChild(layer);
+    }
+    this.layers.set(layerNum, layer);
+    return layer;
+  }
+
+  /**
+   * Returns true if the given element is a layer managed by the layer manager.
+   * False otherwise.
+   *
+   * @internal
+   */
+  hasLayer(elem: SVGElement) {
+    return (
+      elem === this.dragLayer ||
+      new Set(this.layers.values()).has(elem as SVGGElement)
+    );
+  }
+
+  /**
+   * We need to be able to access this layer explicitly for backwards
+   * compatibility.
+   *
+   * @internal
+   */
+  getBlockLayer(): SVGGElement {
+    return this.layers.get(layerNums.BLOCK)!;
+  }
+
+  /**
+   * We need to be able to access this layer explicitly for backwards
+   * compatibility.
+   *
+   * @internal
+   */
+  getBubbleLayer(): SVGGElement {
+    return this.layers.get(layerNums.BUBBLE)!;
+  }
+}
diff --git a/core/layers.ts b/core/layers.ts
new file mode 100644
index 00000000000..60a30c8f67a
--- /dev/null
+++ b/core/layers.ts
@@ -0,0 +1,19 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * The layer to place blocks on.
+ *
+ * @internal
+ */
+export const BLOCK = 50;
+
+/**
+ * The layer to place bubbles on.
+ *
+ * @internal
+ */
+export const BUBBLE = 100;
diff --git a/core/main.ts b/core/main.ts
new file mode 100644
index 00000000000..c301e989034
--- /dev/null
+++ b/core/main.ts
@@ -0,0 +1,31 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file The entrypoint for blockly_compressed.js.  Provides various
+ * backwards-compatibility hacks.  Not used when loading in
+ * uncompressed mode.
+ */
+
+// Former goog.module ID: Blockly.main
+
+import * as Msg from './msg.js';
+
+// If Blockly is compiled with ADVANCED_COMPILATION and/or loaded as a
+// CJS or ES module there will not be a Blockly global variable
+// created.  This can cause problems because a very common way of
+// loading translations is to use a <script> tag to load one of
+// the generated msg/*.js files, which consists of lines like:
+//
+// Blockly.Msg["ADD_COMMENT"] = "Add Comment";
+// Blockly.Msg["CLEAN_UP"] = "Clean up Blocks";
+//
+// This obviously only works if Blockly.Msg is the Msg export from the
+// Blockly.Msg module - so make sure it is, but only if there is not
+// yet a Blockly global variable.
+if (!('Blockly' in globalThis)) {
+  (globalThis as any)['Blockly'] = {'Msg': Msg};
+}
diff --git a/core/marker_manager.js b/core/marker_manager.js
deleted file mode 100644
index d8081714fec..00000000000
--- a/core/marker_manager.js
+++ /dev/null
@@ -1,183 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object in charge of managing markers and the cursor.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-'use strict';
-
-goog.provide('Blockly.MarkerManager');
-
-goog.require('Blockly.Cursor');
-goog.require('Blockly.Marker');
-
-
-/**
- * Class to manage the multiple markers and the cursor on a workspace.
- * @param {!Blockly.WorkspaceSvg} workspace The workspace for the marker manager.
- * @constructor
- * @package
- */
-Blockly.MarkerManager = function(workspace){
-  /**
-   * The cursor.
-   * @type {Blockly.Cursor}
-   * @private
-   */
-  this.cursor_ = null;
-
-  /**
-   * The cursor's svg element.
-   * @type {SVGElement}
-   * @private
-   */
-  this.cursorSvg_ = null;
-
-  /**
-   * The map of markers for the workspace.
-   * @type {!Object<string, !Blockly.Marker>}
-   * @private
-   */
-  this.markers_ = {};
-
-  /**
-   * The workspace this marker manager is associated with.
-   * @type {!Blockly.WorkspaceSvg}
-   * @private
-   */
-  this.workspace_ = workspace;
-};
-
-/**
- * Register the marker by adding it to the map of markers.
- * @param {string} id A unique identifier for the marker.
- * @param {!Blockly.Marker} marker The marker to register.
- */
-Blockly.MarkerManager.prototype.registerMarker = function(id, marker) {
-  if (this.markers_[id]) {
-    this.unregisterMarker(id);
-  }
-  marker.setDrawer(this.workspace_.getRenderer()
-      .makeMarkerDrawer(this.workspace_, marker));
-  this.setMarkerSvg(marker.getDrawer().createDom());
-  this.markers_[id] = marker;
-};
-
-/**
- * Unregister the marker by removing it from the map of markers.
- * @param {string} id The id of the marker to unregister.
- */
-Blockly.MarkerManager.prototype.unregisterMarker = function(id) {
-  var marker = this.markers_[id];
-  if (marker) {
-    marker.dispose();
-    delete this.markers_[id];
-  } else {
-    throw Error('Marker with id ' + id + ' does not exist. Can only unregister' +
-        'markers that exist.');
-  }
-};
-
-/**
- * Get the cursor for the workspace.
- * @return {Blockly.Cursor} The cursor for this workspace.
- */
-Blockly.MarkerManager.prototype.getCursor = function() {
-  return this.cursor_;
-};
-
-/**
- * Get a single marker that corresponds to the given id.
- * @param {string} id A unique identifier for the marker.
- * @return {Blockly.Marker} The marker that corresponds to the given id, or null
- *     if none exists.
- */
-Blockly.MarkerManager.prototype.getMarker = function(id) {
-  return this.markers_[id];
-};
-
-/**
- * Sets the cursor and initializes the drawer for use with keyboard navigation.
- * @param {Blockly.Cursor} cursor The cursor used to move around this workspace.
- */
-Blockly.MarkerManager.prototype.setCursor = function(cursor) {
-  if (this.cursor_ && this.cursor_.getDrawer()) {
-    this.cursor_.getDrawer().dispose();
-  }
-  this.cursor_ = cursor;
-  if (this.cursor_) {
-    var drawer = this.workspace_.getRenderer()
-        .makeMarkerDrawer(this.workspace_, this.cursor_);
-    this.cursor_.setDrawer(drawer);
-    this.setCursorSvg(this.cursor_.getDrawer().createDom());
-  }
-};
-
-/**
- * Add the cursor svg to this workspace svg group.
- * @param {SVGElement} cursorSvg The svg root of the cursor to be added to the
- *     workspace svg group.
- * @package
- */
-Blockly.MarkerManager.prototype.setCursorSvg = function(cursorSvg) {
-  if (!cursorSvg) {
-    this.cursorSvg_ = null;
-    return;
-  }
-
-  this.workspace_.getBlockCanvas().appendChild(cursorSvg);
-  this.cursorSvg_ = cursorSvg;
-};
-
-/**
- * Add the marker svg to this workspaces svg group.
- * @param {SVGElement} markerSvg The svg root of the marker to be added to the
- *     workspace svg group.
- * @package
- */
-Blockly.MarkerManager.prototype.setMarkerSvg = function(markerSvg) {
-  if (!markerSvg) {
-    this.markerSvg_ = null;
-    return;
-  }
-
-  if (this.workspace_.getBlockCanvas()) {
-    if (this.cursorSvg_) {
-      this.workspace_.getBlockCanvas().insertBefore(markerSvg, this.cursorSvg_);
-    } else {
-      this.workspace_.getBlockCanvas().appendChild(markerSvg);
-    }
-  }
-};
-
-/**
- * Redraw the attached cursor svg if needed.
- * @package
- */
-Blockly.MarkerManager.prototype.updateMarkers = function() {
-  if (this.workspace_.keyboardAccessibilityMode && this.cursorSvg_) {
-    this.workspace_.getCursor().draw();
-  }
-};
-
-/**
- * Dispose of the marker manager.
- * Go through and delete all markers associated with this marker manager.
- * @suppress {checkTypes}
- * @package
- */
-Blockly.MarkerManager.prototype.dispose = function() {
-  var markerIds = Object.keys(this.markers_);
-  for (var i = 0, markerId; (markerId = markerIds[i]); i++) {
-    this.unregisterMarker(markerId);
-  }
-  this.markers_ = null;
-  if (this.cursor_) {
-    this.cursor_.dispose();
-    this.cursor_ = null;
-  }
-};
diff --git a/core/marker_manager.ts b/core/marker_manager.ts
new file mode 100644
index 00000000000..bd243c005b3
--- /dev/null
+++ b/core/marker_manager.ts
@@ -0,0 +1,189 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Object in charge of managing markers and the cursor.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.MarkerManager
+
+import type {Cursor} from './keyboard_nav/cursor.js';
+import type {Marker} from './keyboard_nav/marker.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * Class to manage the multiple markers and the cursor on a workspace.
+ */
+export class MarkerManager {
+  /** The name of the local marker. */
+  static readonly LOCAL_MARKER = 'local_marker_1';
+
+  /** The cursor. */
+  private cursor_: Cursor | null = null;
+
+  /** The cursor's SVG element. */
+  private cursorSvg_: SVGElement | null = null;
+
+  /** The map of markers for the workspace. */
+  private markers = new Map<string, Marker>();
+
+  /** The marker's SVG element. */
+  private markerSvg_: SVGElement | null = null;
+
+  /**
+   * @param workspace The workspace for the marker manager.
+   * @internal
+   */
+  constructor(private readonly workspace: WorkspaceSvg) {}
+
+  /**
+   * Register the marker by adding it to the map of markers.
+   *
+   * @param id A unique identifier for the marker.
+   * @param marker The marker to register.
+   */
+  registerMarker(id: string, marker: Marker) {
+    if (this.markers.has(id)) {
+      this.unregisterMarker(id);
+    }
+    marker.setDrawer(
+      this.workspace.getRenderer().makeMarkerDrawer(this.workspace, marker),
+    );
+    this.setMarkerSvg(marker.getDrawer().createDom());
+    this.markers.set(id, marker);
+  }
+
+  /**
+   * Unregister the marker by removing it from the map of markers.
+   *
+   * @param id The ID of the marker to unregister.
+   */
+  unregisterMarker(id: string) {
+    const marker = this.markers.get(id);
+    if (marker) {
+      marker.dispose();
+      this.markers.delete(id);
+    } else {
+      throw Error(
+        'Marker with ID ' +
+          id +
+          ' does not exist. ' +
+          'Can only unregister markers that exist.',
+      );
+    }
+  }
+
+  /**
+   * Get the cursor for the workspace.
+   *
+   * @returns The cursor for this workspace.
+   */
+  getCursor(): Cursor | null {
+    return this.cursor_;
+  }
+
+  /**
+   * Get a single marker that corresponds to the given ID.
+   *
+   * @param id A unique identifier for the marker.
+   * @returns The marker that corresponds to the given ID, or null if none
+   *     exists.
+   */
+  getMarker(id: string): Marker | null {
+    return this.markers.get(id) || null;
+  }
+
+  /**
+   * Sets the cursor and initializes the drawer for use with keyboard
+   * navigation.
+   *
+   * @param cursor The cursor used to move around this workspace.
+   */
+  setCursor(cursor: Cursor) {
+    if (this.cursor_ && this.cursor_.getDrawer()) {
+      this.cursor_.getDrawer().dispose();
+    }
+    this.cursor_ = cursor;
+    if (this.cursor_) {
+      const drawer = this.workspace
+        .getRenderer()
+        .makeMarkerDrawer(this.workspace, this.cursor_);
+      this.cursor_.setDrawer(drawer);
+      this.setCursorSvg(this.cursor_.getDrawer().createDom());
+    }
+  }
+
+  /**
+   * Add the cursor SVG to this workspace SVG group.
+   *
+   * @param cursorSvg The SVG root of the cursor to be added to the workspace
+   *     SVG group.
+   * @internal
+   */
+  setCursorSvg(cursorSvg: SVGElement | null) {
+    if (!cursorSvg) {
+      this.cursorSvg_ = null;
+      return;
+    }
+
+    this.workspace.getBlockCanvas()!.appendChild(cursorSvg);
+    this.cursorSvg_ = cursorSvg;
+  }
+
+  /**
+   * Add the marker SVG to this workspaces SVG group.
+   *
+   * @param markerSvg The SVG root of the marker to be added to the workspace
+   *     SVG group.
+   * @internal
+   */
+  setMarkerSvg(markerSvg: SVGElement | null) {
+    if (!markerSvg) {
+      this.markerSvg_ = null;
+      return;
+    }
+
+    if (this.workspace.getBlockCanvas()) {
+      if (this.cursorSvg_) {
+        this.workspace
+          .getBlockCanvas()!
+          .insertBefore(markerSvg, this.cursorSvg_);
+      } else {
+        this.workspace.getBlockCanvas()!.appendChild(markerSvg);
+      }
+    }
+  }
+
+  /**
+   * Redraw the attached cursor SVG if needed.
+   *
+   * @internal
+   */
+  updateMarkers() {
+    if (this.workspace.keyboardAccessibilityMode && this.cursorSvg_) {
+      this.workspace.getCursor()!.draw();
+    }
+  }
+
+  /**
+   * Dispose of the marker manager.
+   * Go through and delete all markers associated with this marker manager.
+   *
+   * @internal
+   */
+  dispose() {
+    const markerIds = Object.keys(this.markers);
+    for (let i = 0, markerId; (markerId = markerIds[i]); i++) {
+      this.unregisterMarker(markerId);
+    }
+    this.markers.clear();
+    if (this.cursor_) {
+      this.cursor_.dispose();
+      this.cursor_ = null;
+    }
+  }
+}
diff --git a/core/menu.js b/core/menu.js
deleted file mode 100644
index a1621e83b95..00000000000
--- a/core/menu.js
+++ /dev/null
@@ -1,465 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Blockly menu similar to Closure's goog.ui.Menu
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.Menu');
-
-goog.require('Blockly.utils.aria');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.KeyCodes');
-goog.require('Blockly.utils.style');
-
-
-/**
- * A basic menu class.
- * @constructor
- */
-Blockly.Menu = function() {
-  /**
-   * Array of menu items.
-   * (Nulls are never in the array, but typing the array as nullable prevents
-   * the compiler from objecting to .indexOf(null))
-   * @type {!Array.<Blockly.MenuItem>}
-   * @private
-   */
-  this.menuItems_ = [];
-
-  /**
-   * Coordinates of the mousedown event that caused this menu to open. Used to
-   * prevent the consequent mouseup event due to a simple click from activating
-   * a menu item immediately.
-   * @type {?Blockly.utils.Coordinate}
-   * @package
-   */
-  this.openingCoords = null;
-
-  /**
-   * This is the element that we will listen to the real focus events on.
-   * A value of null means no menu item is highlighted.
-   * @type {Blockly.MenuItem}
-   * @private
-   */
-  this.highlightedItem_ = null;
-
-  /**
-   * Mouse over event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.mouseOverHandler_ = null;
-
-  /**
-   * Click event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.clickHandler_ = null;
-
-  /**
-   * Mouse enter event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.mouseEnterHandler_ = null;
-
-  /**
-   * Mouse leave event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.mouseLeaveHandler_ = null;
-
-  /**
-   * Key down event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onKeyDownHandler_ = null;
-
-  /**
-   * The menu's root DOM element.
-   * @type {Element}
-   * @private
-   */
-  this.element_ = null;
-
-  /**
-   * ARIA name for this menu.
-   * @type {?Blockly.utils.aria.Role}
-   * @private
-   */
-  this.roleName_ = null;
-};
-
-
-/**
- * Add a new menu item to the bottom of this menu.
- * @param {!Blockly.MenuItem} menuItem Menu item to append.
- */
-Blockly.Menu.prototype.addChild = function(menuItem) {
-  this.menuItems_.push(menuItem);
-};
-
-/**
- * Creates the menu DOM.
- * @param {!Element} container Element upon which to append this menu.
- */
-Blockly.Menu.prototype.render = function(container) {
-  var element = /** @type {!HTMLDivElement} */ (document.createElement('div'));
-  // goog-menu is deprecated, use blocklyMenu.  May 2020.
-  element.className = 'blocklyMenu goog-menu blocklyNonSelectable';
-  element.tabIndex = 0;
-  if (this.roleName_) {
-    Blockly.utils.aria.setRole(element, this.roleName_);
-  }
-  this.element_ = element;
-
-  // Add menu items.
-  for (var i = 0, menuItem; (menuItem = this.menuItems_[i]); i++) {
-    element.appendChild(menuItem.createDom());
-  }
-
-  // Add event handlers.
-  this.mouseOverHandler_ = Blockly.bindEventWithChecks_(element,
-      'mouseover', this, this.handleMouseOver_, true);
-  this.clickHandler_ = Blockly.bindEventWithChecks_(element,
-      'click', this, this.handleClick_, true);
-  this.mouseEnterHandler_ = Blockly.bindEventWithChecks_(element,
-      'mouseenter', this, this.handleMouseEnter_, true);
-  this.mouseLeaveHandler_ = Blockly.bindEventWithChecks_(element,
-      'mouseleave', this, this.handleMouseLeave_, true);
-  this.onKeyDownHandler_ = Blockly.bindEventWithChecks_(element,
-      'keydown', this, this.handleKeyEvent_);
-
-  container.appendChild(element);
-};
-
-/**
- * Gets the menu's element.
- * @return {Element} The DOM element.
- * @package
- */
-Blockly.Menu.prototype.getElement = function() {
-  return this.element_;
-};
-
-/**
- * Focus the menu element.
- * @package
- */
-Blockly.Menu.prototype.focus = function() {
-  var el = this.getElement();
-  if (el) {
-    el.focus({preventScroll:true});
-    Blockly.utils.dom.addClass(el, 'blocklyFocused');
-  }
-};
-
-/**
- * Blur the menu element.
- * @private
- */
-Blockly.Menu.prototype.blur_ = function() {
-  var el = this.getElement();
-  if (el) {
-    el.blur();
-    Blockly.utils.dom.removeClass(el, 'blocklyFocused');
-  }
-};
-
-/**
- * Set the menu accessibility role.
- * @param {!Blockly.utils.aria.Role} roleName role name.
- * @package
- */
-Blockly.Menu.prototype.setRole = function(roleName) {
-  this.roleName_ = roleName;
-};
-
-/**
- * Dispose of this menu.
- */
-Blockly.Menu.prototype.dispose = function() {
-  // Remove event handlers.
-  if (this.mouseOverHandler_) {
-    Blockly.unbindEvent_(this.mouseOverHandler_);
-    this.mouseOverHandler_ = null;
-  }
-  if (this.clickHandler_) {
-    Blockly.unbindEvent_(this.clickHandler_);
-    this.clickHandler_ = null;
-  }
-  if (this.mouseEnterHandler_) {
-    Blockly.unbindEvent_(this.mouseEnterHandler_);
-    this.mouseEnterHandler_ = null;
-  }
-  if (this.mouseLeaveHandler_) {
-    Blockly.unbindEvent_(this.mouseLeaveHandler_);
-    this.mouseLeaveHandler_ = null;
-  }
-  if (this.onKeyDownHandler_) {
-    Blockly.unbindEvent_(this.onKeyDownHandler_);
-    this.onKeyDownHandler_ = null;
-  }
-
-  // Remove menu items.
-  for (var i = 0, menuItem; (menuItem = this.menuItems_[i]); i++) {
-    menuItem.dispose();
-  }
-  this.element_ = null;
-};
-
-// Child component management.
-
-/**
- * Returns the child menu item that owns the given DOM element,
- * or null if no such menu item is found.
- * @param {Element} elem DOM element whose owner is to be returned.
- * @return {?Blockly.MenuItem} Menu item for which the DOM element belongs to.
- * @private
- */
-Blockly.Menu.prototype.getMenuItem_ = function(elem) {
-  var menuElem = this.getElement();
-  // Node might be the menu border (resulting in no associated menu item), or
-  // a menu item's div, or some element within the menu item.
-  // Walk up parents until one meets either the menu's root element, or
-  // a menu item's div.
-  while (elem && elem != menuElem) {
-    if (Blockly.utils.dom.hasClass(elem, 'blocklyMenuItem')) {
-      // Having found a menu item's div, locate that menu item in this menu.
-      for (var i = 0, menuItem; (menuItem = this.menuItems_[i]); i++) {
-        if (menuItem.getElement() == elem) {
-          return menuItem;
-        }
-      }
-    }
-    elem = elem.parentElement;
-  }
-  return null;
-};
-
-// Highlight management.
-
-/**
- * Highlights the given menu item, or clears highlighting if null.
- * @param {Blockly.MenuItem} item Item to highlight, or null.
- * @package
- */
-Blockly.Menu.prototype.setHighlighted = function(item) {
-  var currentHighlighted = this.highlightedItem_;
-  if (currentHighlighted) {
-    currentHighlighted.setHighlighted(false);
-    this.highlightedItem_ = null;
-  }
-  if (item) {
-    item.setHighlighted(true);
-    this.highlightedItem_ = item;
-    // Bring the highlighted item into view. This has no effect if the menu is
-    // not scrollable.
-    var el = /** @type {!Element} */ (this.getElement());
-    Blockly.utils.style.scrollIntoContainerView(
-        /** @type {!Element} */ (item.getElement()), el);
-
-    Blockly.utils.aria.setState(el, Blockly.utils.aria.State.ACTIVEDESCENDANT,
-        item.getId());
-  }
-};
-
-/**
- * Highlights the next highlightable item (or the first if nothing is currently
- * highlighted).
- * @package
- */
-Blockly.Menu.prototype.highlightNext = function() {
-  var index = this.menuItems_.indexOf(this.highlightedItem_);
-  this.highlightHelper_(index, 1);
-};
-
-/**
- * Highlights the previous highlightable item (or the last if nothing is
- * currently highlighted).
- * @package
- */
-Blockly.Menu.prototype.highlightPrevious = function() {
-  var index = this.menuItems_.indexOf(this.highlightedItem_);
-  this.highlightHelper_(index < 0 ? this.menuItems_.length : index, -1);
-};
-
-/**
- * Highlights the first highlightable item.
- * @private
- */
-Blockly.Menu.prototype.highlightFirst_ = function() {
-  this.highlightHelper_(-1, 1);
-};
-
-/**
- * Highlights the last highlightable item.
- * @private
- */
-Blockly.Menu.prototype.highlightLast_ = function() {
-  this.highlightHelper_(this.menuItems_.length, -1);
-};
-
-/**
- * Helper function that manages the details of moving the highlight among
- * child menuitems in response to keyboard events.
- * @param {number} startIndex Start index.
- * @param {number} delta Step direction: 1 to go down, -1 to go up.
- * @private
- */
-Blockly.Menu.prototype.highlightHelper_ = function(startIndex, delta) {
-  var index = startIndex + delta;
-  var menuItem;
-  while ((menuItem = this.menuItems_[index])) {
-    if (menuItem.isEnabled()) {
-      this.setHighlighted(menuItem);
-      break;
-    }
-    index += delta;
-  }
-};
-
-// Mouse events.
-
-/**
- * Handles mouseover events. Highlight menuitems as the user hovers over them.
- * @param {!Event} e Mouse event to handle.
- * @private
- */
-Blockly.Menu.prototype.handleMouseOver_ = function(e) {
-  var menuItem = this.getMenuItem_(/** @type {Element} */ (e.target));
-
-  if (menuItem) {
-    if (menuItem.isEnabled()) {
-      if (this.highlightedItem_ != menuItem) {
-        this.setHighlighted(menuItem);
-      }
-    } else {
-      this.setHighlighted(null);
-    }
-  }
-};
-
-/**
- * Handles click events. Pass the event onto the child menuitem to handle.
- * @param {!Event} e Click event to handle.
- * @private
- */
-Blockly.Menu.prototype.handleClick_ = function(e) {
-  var oldCoords = this.openingCoords;
-  // Clear out the saved opening coords immediately so they're not used twice.
-  this.openingCoords = null;
-  if (oldCoords && typeof e.clientX == 'number') {
-    var newCoords = new Blockly.utils.Coordinate(e.clientX, e.clientY);
-    if (Blockly.utils.Coordinate.distance(oldCoords, newCoords) < 1) {
-      // This menu was opened by a mousedown and we're handling the consequent
-      // click event. The coords haven't changed, meaning this was the same
-      // opening event. Don't do the usual behavior because the menu just popped
-      // up under the mouse and the user didn't mean to activate this item.
-      return;
-    }
-  }
-
-  var menuItem = this.getMenuItem_(/** @type {Element} */ (e.target));
-  if (menuItem) {
-    menuItem.performAction();
-  }
-};
-
-/**
- * Handles mouse enter events. Focus the element.
- * @param {Event} _e Mouse event to handle.
- * @private
- */
-Blockly.Menu.prototype.handleMouseEnter_ = function(_e) {
-  this.focus();
-};
-
-/**
- * Handles mouse leave events. Blur and clear highlight.
- * @param {Event} _e Mouse event to handle.
- * @private
- */
-Blockly.Menu.prototype.handleMouseLeave_ = function(_e) {
-  if (this.getElement()) {
-    this.blur_();
-    this.setHighlighted(null);
-  }
-};
-
-// Keyboard events.
-
-/**
- * Attempts to handle a keyboard event, if the menu item is enabled, by calling
- * {@link handleKeyEventInternal_}.
- * @param {!Event} e Key event to handle.
- * @private
- */
-Blockly.Menu.prototype.handleKeyEvent_ = function(e) {
-  if (!this.menuItems_.length) {
-    // Empty menu.
-    return;
-  }
-  if (e.shiftKey || e.ctrlKey || e.metaKey || e.altKey) {
-    // Do not handle the key event if any modifier key is pressed.
-    return;
-  }
-
-  var highlighted = this.highlightedItem_;
-  switch (e.keyCode) {
-    case Blockly.utils.KeyCodes.ENTER:
-    case Blockly.utils.KeyCodes.SPACE:
-      if (highlighted) {
-        highlighted.performAction();
-      }
-      break;
-
-    case Blockly.utils.KeyCodes.UP:
-      this.highlightPrevious();
-      break;
-
-    case Blockly.utils.KeyCodes.DOWN:
-      this.highlightNext();
-      break;
-
-    case Blockly.utils.KeyCodes.PAGE_UP:
-    case Blockly.utils.KeyCodes.HOME:
-      this.highlightFirst_();
-      break;
-
-    case Blockly.utils.KeyCodes.PAGE_DOWN:
-    case Blockly.utils.KeyCodes.END:
-      this.highlightLast_();
-      break;
-
-    default:
-      // Not a key the menu is interested in.
-      return;
-  }
-  // The menu used this key, don't let it have secondary effects.
-  e.preventDefault();
-  e.stopPropagation();
-};
-
-/**
- * Get the size of a rendered menu.
- * @return {!Blockly.utils.Size} Object with width and height properties.
- * @package
- */
-Blockly.Menu.prototype.getSize = function() {
-  var menuDom = this.getElement();
-  var menuSize = Blockly.utils.style.getSize(/** @type {!Element} */ (menuDom));
-  // Recalculate height for the total content, not only box height.
-  menuSize.height = menuDom.scrollHeight;
-  return menuSize;
-};
diff --git a/core/menu.ts b/core/menu.ts
new file mode 100644
index 00000000000..b0fb5557346
--- /dev/null
+++ b/core/menu.ts
@@ -0,0 +1,468 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Blockly menu similar to Closure's goog.ui.Menu
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Menu
+
+import * as browserEvents from './browser_events.js';
+import type {MenuItem} from './menuitem.js';
+import * as aria from './utils/aria.js';
+import {Coordinate} from './utils/coordinate.js';
+import * as dom from './utils/dom.js';
+import type {Size} from './utils/size.js';
+import * as style from './utils/style.js';
+
+/**
+ * A basic menu class.
+ */
+export class Menu {
+  /**
+   * Array of menu items.
+   * (Nulls are never in the array, but typing the array as nullable prevents
+   * the compiler from objecting to .indexOf(null))
+   */
+  private readonly menuItems: MenuItem[] = [];
+
+  /**
+   * Coordinates of the mousedown event that caused this menu to open. Used to
+   * prevent the consequent mouseup event due to a simple click from
+   * activating a menu item immediately.
+   */
+  openingCoords: Coordinate | null = null;
+
+  /**
+   * This is the element that we will listen to the real focus events on.
+   * A value of null means no menu item is highlighted.
+   */
+  private highlightedItem: MenuItem | null = null;
+
+  /** Mouse over event data. */
+  private mouseOverHandler: browserEvents.Data | null = null;
+
+  /** Click event data. */
+  private clickHandler: browserEvents.Data | null = null;
+
+  /** Mouse enter event data. */
+  private mouseEnterHandler: browserEvents.Data | null = null;
+
+  /** Mouse leave event data. */
+  private mouseLeaveHandler: browserEvents.Data | null = null;
+
+  /** Key down event data. */
+  private onKeyDownHandler: browserEvents.Data | null = null;
+
+  /** The menu's root DOM element. */
+  private element: HTMLDivElement | null = null;
+
+  /** ARIA name for this menu. */
+  private roleName: aria.Role | null = null;
+
+  /** Constructs a new Menu instance. */
+  constructor() {}
+
+  /**
+   * Add a new menu item to the bottom of this menu.
+   *
+   * @param menuItem Menu item to append.
+   * @internal
+   */
+  addChild(menuItem: MenuItem) {
+    this.menuItems.push(menuItem);
+  }
+
+  /**
+   * Creates the menu DOM.
+   *
+   * @param container Element upon which to append this menu.
+   * @returns The menu's root DOM element.
+   */
+  render(container: Element): HTMLDivElement {
+    const element = document.createElement('div');
+    // goog-menu is deprecated, use blocklyMenu.  May 2020.
+    element.className = 'blocklyMenu goog-menu blocklyNonSelectable';
+    element.tabIndex = 0;
+    if (this.roleName) {
+      aria.setRole(element, this.roleName);
+    }
+    this.element = element;
+
+    // Add menu items.
+    for (let i = 0, menuItem; (menuItem = this.menuItems[i]); i++) {
+      element.appendChild(menuItem.createDom());
+    }
+
+    // Add event handlers.
+    this.mouseOverHandler = browserEvents.conditionalBind(
+      element,
+      'pointerover',
+      this,
+      this.handleMouseOver,
+      true,
+    );
+    this.clickHandler = browserEvents.conditionalBind(
+      element,
+      'pointerup',
+      this,
+      this.handleClick,
+      true,
+    );
+    this.mouseEnterHandler = browserEvents.conditionalBind(
+      element,
+      'pointerenter',
+      this,
+      this.handleMouseEnter,
+      true,
+    );
+    this.mouseLeaveHandler = browserEvents.conditionalBind(
+      element,
+      'pointerleave',
+      this,
+      this.handleMouseLeave,
+      true,
+    );
+    this.onKeyDownHandler = browserEvents.conditionalBind(
+      element,
+      'keydown',
+      this,
+      this.handleKeyEvent,
+    );
+
+    container.appendChild(element);
+    return element;
+  }
+
+  /**
+   * Gets the menu's element.
+   *
+   * @returns The DOM element.
+   * @internal
+   */
+  getElement(): HTMLDivElement | null {
+    return this.element;
+  }
+
+  /**
+   * Focus the menu element.
+   *
+   * @internal
+   */
+  focus() {
+    const el = this.getElement();
+    if (el) {
+      el.focus({preventScroll: true});
+      dom.addClass(el, 'blocklyFocused');
+    }
+  }
+
+  /** Blur the menu element. */
+  private blur() {
+    const el = this.getElement();
+    if (el) {
+      el.blur();
+      dom.removeClass(el, 'blocklyFocused');
+    }
+  }
+
+  /**
+   * Set the menu accessibility role.
+   *
+   * @param roleName role name.
+   * @internal
+   */
+  setRole(roleName: aria.Role) {
+    this.roleName = roleName;
+  }
+
+  /** Dispose of this menu. */
+  dispose() {
+    // Remove event handlers.
+    if (this.mouseOverHandler) {
+      browserEvents.unbind(this.mouseOverHandler);
+      this.mouseOverHandler = null;
+    }
+    if (this.clickHandler) {
+      browserEvents.unbind(this.clickHandler);
+      this.clickHandler = null;
+    }
+    if (this.mouseEnterHandler) {
+      browserEvents.unbind(this.mouseEnterHandler);
+      this.mouseEnterHandler = null;
+    }
+    if (this.mouseLeaveHandler) {
+      browserEvents.unbind(this.mouseLeaveHandler);
+      this.mouseLeaveHandler = null;
+    }
+    if (this.onKeyDownHandler) {
+      browserEvents.unbind(this.onKeyDownHandler);
+      this.onKeyDownHandler = null;
+    }
+
+    // Remove menu items.
+    for (let i = 0, menuItem; (menuItem = this.menuItems[i]); i++) {
+      menuItem.dispose();
+    }
+    this.element = null;
+  }
+
+  // Child component management.
+
+  /**
+   * Returns the child menu item that owns the given DOM element,
+   * or null if no such menu item is found.
+   *
+   * @param elem DOM element whose owner is to be returned.
+   * @returns Menu item for which the DOM element belongs to.
+   */
+  private getMenuItem(elem: Element): MenuItem | null {
+    const menuElem = this.getElement();
+    // Node might be the menu border (resulting in no associated menu item), or
+    // a menu item's div, or some element within the menu item.
+    // Walk up parents until one meets either the menu's root element, or
+    // a menu item's div.
+    let currentElement: Element | null = elem;
+    while (currentElement && currentElement !== menuElem) {
+      if (currentElement.classList.contains('blocklyMenuItem')) {
+        // Having found a menu item's div, locate that menu item in this menu.
+        for (let i = 0, menuItem; (menuItem = this.menuItems[i]); i++) {
+          if (menuItem.getElement() === currentElement) {
+            return menuItem;
+          }
+        }
+      }
+      currentElement = currentElement.parentElement;
+    }
+    return null;
+  }
+
+  // Highlight management.
+
+  /**
+   * Highlights the given menu item, or clears highlighting if null.
+   *
+   * @param item Item to highlight, or null.
+   * @internal
+   */
+  setHighlighted(item: MenuItem | null) {
+    const currentHighlighted = this.highlightedItem;
+    if (currentHighlighted) {
+      currentHighlighted.setHighlighted(false);
+      this.highlightedItem = null;
+    }
+    if (item) {
+      item.setHighlighted(true);
+      this.highlightedItem = item;
+      // Bring the highlighted item into view. This has no effect if the menu is
+      // not scrollable.
+      const el = this.getElement() as Element;
+      style.scrollIntoContainerView(item.getElement() as Element, el);
+
+      aria.setState(el, aria.State.ACTIVEDESCENDANT, item.getId());
+    }
+  }
+
+  /**
+   * Highlights the next highlightable item (or the first if nothing is
+   * currently highlighted).
+   *
+   * @internal
+   */
+  highlightNext() {
+    const index = this.highlightedItem
+      ? this.menuItems.indexOf(this.highlightedItem)
+      : -1;
+    this.highlightHelper(index, 1);
+  }
+
+  /**
+   * Highlights the previous highlightable item (or the last if nothing is
+   * currently highlighted).
+   *
+   * @internal
+   */
+  highlightPrevious() {
+    const index = this.highlightedItem
+      ? this.menuItems.indexOf(this.highlightedItem)
+      : -1;
+    this.highlightHelper(index < 0 ? this.menuItems.length : index, -1);
+  }
+
+  /** Highlights the first highlightable item. */
+  private highlightFirst() {
+    this.highlightHelper(-1, 1);
+  }
+
+  /** Highlights the last highlightable item. */
+  private highlightLast() {
+    this.highlightHelper(this.menuItems.length, -1);
+  }
+
+  /**
+   * Helper function that manages the details of moving the highlight among
+   * child menuitems in response to keyboard events.
+   *
+   * @param startIndex Start index.
+   * @param delta Step direction: 1 to go down, -1 to go up.
+   */
+  private highlightHelper(startIndex: number, delta: number) {
+    let index = startIndex + delta;
+    let menuItem;
+    while ((menuItem = this.menuItems[index])) {
+      if (menuItem.isEnabled()) {
+        this.setHighlighted(menuItem);
+        break;
+      }
+      index += delta;
+    }
+  }
+
+  // Mouse events.
+
+  /**
+   * Handles mouseover events. Highlight menuitems as the user hovers over them.
+   *
+   * @param e Mouse event to handle.
+   */
+  private handleMouseOver(e: PointerEvent) {
+    const menuItem = this.getMenuItem(e.target as Element);
+
+    if (menuItem) {
+      if (menuItem.isEnabled()) {
+        if (this.highlightedItem !== menuItem) {
+          this.setHighlighted(menuItem);
+        }
+      } else {
+        this.setHighlighted(null);
+      }
+    }
+  }
+
+  /**
+   * Handles click events. Pass the event onto the child menuitem to handle.
+   *
+   * @param e Click event to handle.
+   */
+  private handleClick(e: PointerEvent) {
+    const oldCoords = this.openingCoords;
+    // Clear out the saved opening coords immediately so they're not used twice.
+    this.openingCoords = null;
+    if (oldCoords && typeof e.clientX === 'number') {
+      const newCoords = new Coordinate(e.clientX, e.clientY);
+      if (Coordinate.distance(oldCoords, newCoords) < 1) {
+        // This menu was opened by a mousedown and we're handling the consequent
+        // click event. The coords haven't changed, meaning this was the same
+        // opening event. Don't do the usual behavior because the menu just
+        // popped up under the mouse and the user didn't mean to activate this
+        // item.
+        return;
+      }
+    }
+
+    const menuItem = this.getMenuItem(e.target as Element);
+    if (menuItem) {
+      menuItem.performAction();
+    }
+  }
+
+  /**
+   * Handles mouse enter events. Focus the element.
+   *
+   * @param _e Mouse event to handle.
+   */
+  private handleMouseEnter(_e: PointerEvent) {
+    this.focus();
+  }
+
+  /**
+   * Handles mouse leave events. Blur and clear highlight.
+   *
+   * @param _e Mouse event to handle.
+   */
+  private handleMouseLeave(_e: PointerEvent) {
+    if (this.getElement()) {
+      this.blur();
+      this.setHighlighted(null);
+    }
+  }
+
+  // Keyboard events.
+
+  /**
+   * Attempts to handle a keyboard event, if the menu item is enabled, by
+   * calling
+   * {@link Menu#handleKeyEventInternal_}.
+   *
+   * @param e Key event to handle.
+   */
+  private handleKeyEvent(e: Event) {
+    if (!this.menuItems.length) {
+      // Empty menu.
+      return;
+    }
+    const keyboardEvent = e as KeyboardEvent;
+    if (
+      keyboardEvent.shiftKey ||
+      keyboardEvent.ctrlKey ||
+      keyboardEvent.metaKey ||
+      keyboardEvent.altKey
+    ) {
+      // Do not handle the key event if any modifier key is pressed.
+      return;
+    }
+
+    const highlighted = this.highlightedItem;
+    switch (keyboardEvent.key) {
+      case 'Enter':
+      case ' ':
+        if (highlighted) {
+          highlighted.performAction();
+        }
+        break;
+
+      case 'ArrowUp':
+        this.highlightPrevious();
+        break;
+
+      case 'ArrowDown':
+        this.highlightNext();
+        break;
+
+      case 'PageUp':
+      case 'Home':
+        this.highlightFirst();
+        break;
+
+      case 'PageDown':
+      case 'End':
+        this.highlightLast();
+        break;
+
+      default:
+        // Not a key the menu is interested in.
+        return;
+    }
+    // The menu used this key, don't let it have secondary effects.
+    e.preventDefault();
+    e.stopPropagation();
+  }
+
+  /**
+   * Get the size of a rendered menu.
+   *
+   * @returns Object with width and height properties.
+   * @internal
+   */
+  getSize(): Size {
+    const menuDom = this.getElement() as HTMLDivElement;
+    const menuSize = style.getSize(menuDom);
+    // Recalculate height for the total content, not only box height.
+    menuSize.height = menuDom.scrollHeight;
+    return menuSize;
+  }
+}
diff --git a/core/menuitem.js b/core/menuitem.js
deleted file mode 100644
index 8ff6cfc8500..00000000000
--- a/core/menuitem.js
+++ /dev/null
@@ -1,280 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Blockly menu item similar to Closure's goog.ui.MenuItem
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.MenuItem');
-
-goog.require('Blockly.utils.aria');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.IdGenerator');
-
-
-/**
- * Class representing an item in a menu.
- *
- * @param {string|!HTMLElement} content Text caption to display as the content
- *     of the item, or a HTML element to display.
- * @param {string=} opt_value Data/model associated with the menu item.
- * @constructor
- */
-Blockly.MenuItem = function(content, opt_value) {
-  /**
-   * Human-readable text of this menu item, or the HTML element to display.
-   * @type {string|!HTMLElement}
-   * @private
-   */
-  this.content_ = content;
-
-  /**
-   * Machine-readable value of this menu item.
-   * @type {string|undefined}
-   * @private
-   */
-  this.value_ = opt_value;
-
-  /**
-   * Is the menu item clickable, as opposed to greyed-out.
-   * @type {boolean}
-   * @private
-   */
-  this.enabled_ = true;
-
-  /**
-   * The DOM element for the menu item.
-   * @type {?Element}
-   * @private
-   */
-  this.element_ = null;
-
-  /**
-   * Whether the menu item is rendered right-to-left.
-   * @type {boolean}
-   * @private
-   */
-  this.rightToLeft_ = false;
-
-  /**
-   * ARIA name for this menu.
-   * @type {?Blockly.utils.aria.Role}
-   * @private
-   */
-  this.roleName_ = null;
-
-  /**
-   * Is this menu item checkable.
-   * @type {boolean}
-   * @private
-   */
-  this.checkable_ = false;
-
-  /**
-   * Is this menu item currently checked.
-   * @type {boolean}
-   * @private
-   */
-  this.checked_ = false;
-
-  /**
-   * Is this menu item currently highlighted.
-   * @type {boolean}
-   * @private
-   */
-  this.highlight_ = false;
-
-  /**
-   * Bound function to call when this menu item is clicked.
-   * @type {Function}
-   * @private
-   */
-  this.actionHandler_ = null;
-};
-
-
-/**
- * Creates the menuitem's DOM.
- * @return {!Element} Completed DOM.
- */
-Blockly.MenuItem.prototype.createDom = function() {
-  var element = document.createElement('div');
-  element.id = Blockly.utils.IdGenerator.getNextUniqueId();
-  this.element_ = element;
-
-  // Set class and style
-  // goog-menuitem* is deprecated, use blocklyMenuItem*.  May 2020.
-  element.className = 'blocklyMenuItem goog-menuitem ' +
-      (this.enabled_ ? '' : 'blocklyMenuItemDisabled goog-menuitem-disabled ') +
-      (this.checked_ ? 'blocklyMenuItemSelected goog-option-selected ' : '') +
-      (this.highlight_ ?
-        'blocklyMenuItemHighlight goog-menuitem-highlight ' : '') +
-      (this.rightToLeft_ ? 'blocklyMenuItemRtl goog-menuitem-rtl ' : '');
-
-  var content = document.createElement('div');
-  content.className = 'blocklyMenuItemContent goog-menuitem-content';
-  // Add a checkbox for checkable menu items.
-  if (this.checkable_) {
-    var checkbox = document.createElement('div');
-    checkbox.className = 'blocklyMenuItemCheckbox goog-menuitem-checkbox';
-    content.appendChild(checkbox);
-  }
-
-  var contentDom = /** @type {!HTMLElement} */ (this.content_);
-  if (typeof this.content_ == 'string') {
-    contentDom = document.createTextNode(this.content_);
-  }
-  content.appendChild(contentDom);
-  element.appendChild(content);
-
-  // Initialize ARIA role and state.
-  if (this.roleName_) {
-    Blockly.utils.aria.setRole(element, this.roleName_);
-  }
-  Blockly.utils.aria.setState(element, Blockly.utils.aria.State.SELECTED,
-      (this.checkable_ && this.checked_) || false);
-  Blockly.utils.aria.setState(element, Blockly.utils.aria.State.DISABLED,
-      !this.enabled_);
-
-  return element;
-};
-
-/**
- * Dispose of this menu item.
- */
-Blockly.MenuItem.prototype.dispose = function() {
-  this.element_ = null;
-};
-
-/**
- * Gets the menu item's element.
- * @return {Element} The DOM element.
- * @package
- */
-Blockly.MenuItem.prototype.getElement = function() {
-  return this.element_;
-};
-
-/**
- * Gets the unique ID for this menu item.
- * @return {string} Unique component ID.
- * @package
- */
-Blockly.MenuItem.prototype.getId = function() {
-  return this.element_.id;
-};
-
-/**
- * Gets the value associated with the menu item.
- * @return {*} value Value associated with the menu item.
- * @package
- */
-Blockly.MenuItem.prototype.getValue = function() {
-  return this.value_;
-};
-
-/**
- * Set menu item's rendering direction.
- * @param {boolean} rtl True if RTL, false if LTR.
- * @package
- */
-Blockly.MenuItem.prototype.setRightToLeft = function(rtl) {
-  this.rightToLeft_ = rtl;
-};
-
-/**
- * Set the menu item's accessibility role.
- * @param {!Blockly.utils.aria.Role} roleName Role name.
- * @package
- */
-Blockly.MenuItem.prototype.setRole = function(roleName) {
-  this.roleName_ = roleName;
-};
-
-/**
- * Sets the menu item to be checkable or not. Set to true for menu items
- * that represent checkable options.
- * @param {boolean} checkable Whether the menu item is checkable.
- * @package
- */
-Blockly.MenuItem.prototype.setCheckable = function(checkable) {
-  this.checkable_ = checkable;
-};
-
-/**
- * Checks or unchecks the component.
- * @param {boolean} checked Whether to check or uncheck the component.
- * @package
- */
-Blockly.MenuItem.prototype.setChecked = function(checked) {
-  this.checked_ = checked;
-};
-
-/**
- * Highlights or unhighlights the component.
- * @param {boolean} highlight Whether to highlight or unhighlight the component.
- * @package
- */
-Blockly.MenuItem.prototype.setHighlighted = function(highlight) {
-  this.highlight_ = highlight;
-
-  var el = this.getElement();
-  if (el && this.isEnabled()) {
-    // goog-menuitem-highlight is deprecated, use blocklyMenuItemHighlight.
-    // May 2020.
-    var name = 'blocklyMenuItemHighlight';
-    var nameDep = 'goog-menuitem-highlight';
-    if (highlight) {
-      Blockly.utils.dom.addClass(el, name);
-      Blockly.utils.dom.addClass(el, nameDep);
-    } else {
-      Blockly.utils.dom.removeClass(el, name);
-      Blockly.utils.dom.removeClass(el, nameDep);
-    }
-  }
-};
-
-/**
- * Returns true if the menu item is enabled, false otherwise.
- * @return {boolean} Whether the menu item is enabled.
- * @package
- */
-Blockly.MenuItem.prototype.isEnabled = function() {
-  return this.enabled_;
-};
-
-/**
- * Enables or disables the menu item.
- * @param {boolean} enabled Whether to enable or disable the menu item.
- * @package
- */
-Blockly.MenuItem.prototype.setEnabled = function(enabled) {
-  this.enabled_ = enabled;
-};
-
-/**
- * Performs the appropriate action when the menu item is activated
- * by the user.
- * @package
- */
-Blockly.MenuItem.prototype.performAction = function() {
-  if (this.isEnabled() && this.actionHandler_) {
-    this.actionHandler_(this);
-  }
-};
-
-/**
- * Set the handler that's called when the menu item is activated by the user.
- * `obj` will be used as the 'this' object in the function when called.
- * @param {function(!Blockly.MenuItem)} fn The handler.
- * @param {!Object} obj Used as the 'this' object in fn when called.
- * @package
- */
-Blockly.MenuItem.prototype.onAction = function(fn, obj) {
-  this.actionHandler_ = fn.bind(obj);
-};
diff --git a/core/menuitem.ts b/core/menuitem.ts
new file mode 100644
index 00000000000..aad914b6889
--- /dev/null
+++ b/core/menuitem.ts
@@ -0,0 +1,251 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Blockly menu item similar to Closure's goog.ui.MenuItem
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.MenuItem
+
+import * as aria from './utils/aria.js';
+import * as dom from './utils/dom.js';
+import * as idGenerator from './utils/idgenerator.js';
+
+/**
+ * Class representing an item in a menu.
+ */
+export class MenuItem {
+  /** Is the menu item clickable, as opposed to greyed-out. */
+  private enabled = true;
+
+  /** The DOM element for the menu item. */
+  private element: HTMLDivElement | null = null;
+
+  /** Whether the menu item is rendered right-to-left. */
+  private rightToLeft = false;
+
+  /** ARIA name for this menu. */
+  private roleName: aria.Role | null = null;
+
+  /** Is this menu item checkable. */
+  private checkable = false;
+
+  /** Is this menu item currently checked. */
+  private checked = false;
+
+  /** Is this menu item currently highlighted. */
+  private highlight = false;
+
+  /** Bound function to call when this menu item is clicked. */
+  private actionHandler: Function | null = null;
+
+  /**
+   * @param content Text caption to display as the content of the item, or a
+   *     HTML element to display.
+   * @param opt_value Data/model associated with the menu item.
+   */
+  constructor(
+    private readonly content: string | HTMLElement,
+    private readonly opt_value?: string,
+  ) {}
+
+  /**
+   * Creates the menuitem's DOM.
+   *
+   * @returns Completed DOM.
+   */
+  createDom(): Element {
+    const element = document.createElement('div');
+    element.id = idGenerator.getNextUniqueId();
+    this.element = element;
+
+    // Set class and style
+    // goog-menuitem* is deprecated, use blocklyMenuItem*.  May 2020.
+    element.className =
+      'blocklyMenuItem goog-menuitem ' +
+      (this.enabled ? '' : 'blocklyMenuItemDisabled goog-menuitem-disabled ') +
+      (this.checked ? 'blocklyMenuItemSelected goog-option-selected ' : '') +
+      (this.highlight
+        ? 'blocklyMenuItemHighlight goog-menuitem-highlight '
+        : '') +
+      (this.rightToLeft ? 'blocklyMenuItemRtl goog-menuitem-rtl ' : '');
+
+    const content = document.createElement('div');
+    content.className = 'blocklyMenuItemContent goog-menuitem-content';
+    // Add a checkbox for checkable menu items.
+    if (this.checkable) {
+      const checkbox = document.createElement('div');
+      checkbox.className = 'blocklyMenuItemCheckbox goog-menuitem-checkbox';
+      content.appendChild(checkbox);
+    }
+
+    let contentDom: Node = this.content as HTMLElement;
+    if (typeof this.content === 'string') {
+      contentDom = document.createTextNode(this.content);
+    }
+    content.appendChild(contentDom);
+    element.appendChild(content);
+
+    // Initialize ARIA role and state.
+    if (this.roleName) {
+      aria.setRole(element, this.roleName);
+    }
+    aria.setState(
+      element,
+      aria.State.SELECTED,
+      (this.checkable && this.checked) || false,
+    );
+    aria.setState(element, aria.State.DISABLED, !this.enabled);
+
+    return element;
+  }
+
+  /** Dispose of this menu item. */
+  dispose() {
+    this.element = null;
+  }
+
+  /**
+   * Gets the menu item's element.
+   *
+   * @returns The DOM element.
+   * @internal
+   */
+  getElement(): Element | null {
+    return this.element;
+  }
+
+  /**
+   * Gets the unique ID for this menu item.
+   *
+   * @returns Unique component ID.
+   * @internal
+   */
+  getId(): string {
+    return this.element!.id;
+  }
+
+  /**
+   * Gets the value associated with the menu item.
+   *
+   * @returns value Value associated with the menu item.
+   * @internal
+   */
+  getValue(): string | null {
+    return this.opt_value ?? null;
+  }
+
+  /**
+   * Set menu item's rendering direction.
+   *
+   * @param rtl True if RTL, false if LTR.
+   * @internal
+   */
+  setRightToLeft(rtl: boolean) {
+    this.rightToLeft = rtl;
+  }
+
+  /**
+   * Set the menu item's accessibility role.
+   *
+   * @param roleName Role name.
+   * @internal
+   */
+  setRole(roleName: aria.Role) {
+    this.roleName = roleName;
+  }
+
+  /**
+   * Sets the menu item to be checkable or not. Set to true for menu items
+   * that represent checkable options.
+   *
+   * @param checkable Whether the menu item is checkable.
+   * @internal
+   */
+  setCheckable(checkable: boolean) {
+    this.checkable = checkable;
+  }
+
+  /**
+   * Checks or unchecks the component.
+   *
+   * @param checked Whether to check or uncheck the component.
+   * @internal
+   */
+  setChecked(checked: boolean) {
+    this.checked = checked;
+  }
+
+  /**
+   * Highlights or unhighlights the component.
+   *
+   * @param highlight Whether to highlight or unhighlight the component.
+   * @internal
+   */
+  setHighlighted(highlight: boolean) {
+    this.highlight = highlight;
+
+    const el = this.getElement();
+    if (el && this.isEnabled()) {
+      // goog-menuitem-highlight is deprecated, use blocklyMenuItemHighlight.
+      // May 2020.
+      const name = 'blocklyMenuItemHighlight';
+      const nameDep = 'goog-menuitem-highlight';
+      if (highlight) {
+        dom.addClass(el, name);
+        dom.addClass(el, nameDep);
+      } else {
+        dom.removeClass(el, name);
+        dom.removeClass(el, nameDep);
+      }
+    }
+  }
+
+  /**
+   * Returns true if the menu item is enabled, false otherwise.
+   *
+   * @returns Whether the menu item is enabled.
+   * @internal
+   */
+  isEnabled(): boolean {
+    return this.enabled;
+  }
+
+  /**
+   * Enables or disables the menu item.
+   *
+   * @param enabled Whether to enable or disable the menu item.
+   * @internal
+   */
+  setEnabled(enabled: boolean) {
+    this.enabled = enabled;
+  }
+
+  /**
+   * Performs the appropriate action when the menu item is activated
+   * by the user.
+   *
+   * @internal
+   */
+  performAction() {
+    if (this.isEnabled() && this.actionHandler) {
+      this.actionHandler(this);
+    }
+  }
+
+  /**
+   * Set the handler that's called when the menu item is activated by the user.
+   * `obj` will be used as the 'this' object in the function when called.
+   *
+   * @param fn The handler.
+   * @param obj Used as the 'this' object in fn when called.
+   * @internal
+   */
+  onAction(fn: (p1: MenuItem) => void, obj: object) {
+    this.actionHandler = fn.bind(obj);
+  }
+}
diff --git a/core/metrics_manager.ts b/core/metrics_manager.ts
new file mode 100644
index 00000000000..62a2614b617
--- /dev/null
+++ b/core/metrics_manager.ts
@@ -0,0 +1,486 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Calculates and reports workspace metrics.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.MetricsManager
+
+import type {IFlyout} from './interfaces/i_flyout.js';
+import type {IMetricsManager} from './interfaces/i_metrics_manager.js';
+import type {IToolbox} from './interfaces/i_toolbox.js';
+import * as registry from './registry.js';
+import type {Metrics} from './utils/metrics.js';
+import {Size} from './utils/size.js';
+import * as toolboxUtils from './utils/toolbox.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * The manager for all workspace metrics calculations.
+ */
+export class MetricsManager implements IMetricsManager {
+  /** The workspace to calculate metrics for. */
+  protected readonly workspace_: WorkspaceSvg;
+
+  /** @param workspace The workspace to calculate metrics for. */
+  constructor(workspace: WorkspaceSvg) {
+    this.workspace_ = workspace;
+  }
+
+  /**
+   * Gets the dimensions of the given workspace component, in pixel coordinates.
+   *
+   * @param elem The element to get the dimensions of, or null.  It should be a
+   *     toolbox or flyout, and should implement getWidth() and getHeight().
+   * @returns An object containing width and height attributes, which will both
+   *     be zero if elem did not exist.
+   */
+  protected getDimensionsPx_(elem: IToolbox | null | IFlyout): Size {
+    let width = 0;
+    let height = 0;
+    if (elem) {
+      width = elem.getWidth();
+      height = elem.getHeight();
+    }
+    return new Size(width, height);
+  }
+
+  /**
+   * Gets the width and the height of the flyout in pixel
+   * coordinates. By default, will get metrics for either a simple flyout (owned
+   * directly by the workspace) or for the flyout owned by the toolbox. If you
+   * pass `opt_own` as `true` then only metrics for the simple flyout will be
+   * returned, and it will return 0 for the width and height if the workspace
+   * has a category toolbox instead of a simple toolbox.
+   *
+   * @param opt_own Whether to only return the workspace's own flyout metrics.
+   * @returns The width and height of the flyout.
+   */
+  getFlyoutMetrics(opt_own?: boolean): ToolboxMetrics {
+    const flyoutDimensions = this.getDimensionsPx_(
+      this.workspace_.getFlyout(opt_own),
+    );
+    return {
+      width: flyoutDimensions.width,
+      height: flyoutDimensions.height,
+      position: this.workspace_.toolboxPosition,
+    };
+  }
+
+  /**
+   * Gets the width, height and position of the toolbox on the workspace in
+   * pixel coordinates. Returns 0 for the width and height if the workspace has
+   * a simple toolbox instead of a category toolbox. To get the width and height
+   * of a simple toolbox, see {@link MetricsManager#getFlyoutMetrics}.
+   *
+   * @returns The object with the width, height and position of the toolbox.
+   */
+  getToolboxMetrics(): ToolboxMetrics {
+    const toolboxDimensions = this.getDimensionsPx_(
+      this.workspace_.getToolbox(),
+    );
+
+    return {
+      width: toolboxDimensions.width,
+      height: toolboxDimensions.height,
+      position: this.workspace_.toolboxPosition,
+    };
+  }
+
+  /**
+   * Gets the width and height of the workspace's parent SVG element in pixel
+   * coordinates. This area includes the toolbox and the visible workspace area.
+   *
+   * @returns The width and height of the workspace's parent SVG element.
+   */
+  getSvgMetrics(): Size {
+    return this.workspace_.getCachedParentSvgSize();
+  }
+
+  /**
+   * Gets the absolute left and absolute top in pixel coordinates.
+   * This is where the visible workspace starts in relation to the SVG
+   * container.
+   *
+   * @returns The absolute metrics for the workspace.
+   */
+  getAbsoluteMetrics(): AbsoluteMetrics {
+    let absoluteLeft = 0;
+    let absoluteTop = 0;
+
+    const toolboxMetrics = this.getToolboxMetrics();
+    const flyoutMetrics = this.getFlyoutMetrics();
+    const respectToolbox = !!this.workspace_.getToolbox();
+    const respectFlyout = !this.workspace_.getFlyout()?.autoClose;
+    const toolboxPosition = respectToolbox
+      ? toolboxMetrics.position
+      : flyoutMetrics.position;
+
+    const atLeft = toolboxPosition === toolboxUtils.Position.LEFT;
+    const atTop = toolboxPosition === toolboxUtils.Position.TOP;
+    if (atLeft) {
+      if (respectToolbox) absoluteLeft += toolboxMetrics.width;
+      if (respectFlyout) absoluteLeft += flyoutMetrics.width;
+    }
+    if (atTop) {
+      if (respectToolbox) absoluteTop += toolboxMetrics.height;
+      if (respectFlyout) absoluteTop += flyoutMetrics.height;
+    }
+
+    return {
+      top: absoluteTop,
+      left: absoluteLeft,
+    };
+  }
+
+  /**
+   * Gets the metrics for the visible workspace in either pixel or workspace
+   * coordinates. The visible workspace does not include the toolbox or flyout.
+   *
+   * @param opt_getWorkspaceCoordinates True to get the view metrics in
+   *     workspace coordinates, false to get them in pixel coordinates.
+   * @returns The width, height, top and left of the viewport in either
+   *     workspace coordinates or pixel coordinates.
+   */
+  getViewMetrics(opt_getWorkspaceCoordinates?: boolean): ContainerRegion {
+    const scale = opt_getWorkspaceCoordinates ? this.workspace_.scale : 1;
+    const svgMetrics = this.getSvgMetrics();
+    const toolboxMetrics = this.getToolboxMetrics();
+    const flyoutMetrics = this.getFlyoutMetrics();
+    const respectToolbox = !!this.workspace_.getToolbox();
+    const respectFlyout = !this.workspace_.getFlyout()?.autoClose;
+    const toolboxPosition = respectToolbox
+      ? toolboxMetrics.position
+      : flyoutMetrics.position;
+
+    const horizToolbox =
+      toolboxPosition === toolboxUtils.Position.TOP ||
+      toolboxPosition === toolboxUtils.Position.BOTTOM;
+    const vertToolbox =
+      toolboxPosition === toolboxUtils.Position.LEFT ||
+      toolboxPosition === toolboxUtils.Position.RIGHT;
+    if (horizToolbox) {
+      if (respectToolbox) svgMetrics.height -= toolboxMetrics.height;
+      if (respectFlyout) svgMetrics.height -= flyoutMetrics.height;
+    }
+    if (vertToolbox) {
+      if (respectToolbox) svgMetrics.width -= toolboxMetrics.width;
+      if (respectFlyout) svgMetrics.width -= flyoutMetrics.width;
+    }
+    return {
+      height: svgMetrics.height / scale,
+      width: svgMetrics.width / scale,
+      top: -this.workspace_.scrollY / scale,
+      left: -this.workspace_.scrollX / scale,
+    };
+  }
+
+  /**
+   * Gets content metrics in either pixel or workspace coordinates.
+   * The content area is a rectangle around all the top bounded elements on the
+   * workspace (workspace comments and blocks).
+   *
+   * @param opt_getWorkspaceCoordinates True to get the content metrics in
+   *     workspace coordinates, false to get them in pixel coordinates.
+   * @returns The metrics for the content container.
+   */
+  getContentMetrics(opt_getWorkspaceCoordinates?: boolean): ContainerRegion {
+    const scale = opt_getWorkspaceCoordinates ? 1 : this.workspace_.scale;
+    // Block bounding box is in workspace coordinates.
+    const blockBox = this.workspace_.getBlocksBoundingBox();
+
+    return {
+      height: (blockBox.bottom - blockBox.top) * scale,
+      width: (blockBox.right - blockBox.left) * scale,
+      top: blockBox.top * scale,
+      left: blockBox.left * scale,
+    };
+  }
+
+  /**
+   * Returns whether the scroll area has fixed edges.
+   *
+   * @returns Whether the scroll area has fixed edges.
+   * @internal
+   */
+  hasFixedEdges(): boolean {
+    // This exists for optimization of bump logic.
+    return (
+      !this.workspace_.isMovableHorizontally() ||
+      !this.workspace_.isMovableVertically()
+    );
+  }
+
+  /**
+   * Computes the fixed edges of the scroll area.
+   *
+   * @param opt_viewMetrics The view metrics if they have been previously
+   *     computed. Passing in null may cause the view metrics to be computed
+   *     again, if it is needed.
+   * @returns The fixed edges of the scroll area.
+   */
+  protected getComputedFixedEdges_(
+    opt_viewMetrics?: ContainerRegion,
+  ): FixedEdges {
+    if (!this.hasFixedEdges()) {
+      // Return early if there are no edges.
+      return {};
+    }
+
+    const hScrollEnabled = this.workspace_.isMovableHorizontally();
+    const vScrollEnabled = this.workspace_.isMovableVertically();
+
+    const viewMetrics = opt_viewMetrics || this.getViewMetrics(false);
+
+    const edges = {} as FixedEdges;
+    if (!vScrollEnabled) {
+      edges.top = viewMetrics.top;
+      edges.bottom = viewMetrics.top + viewMetrics.height;
+    }
+    if (!hScrollEnabled) {
+      edges.left = viewMetrics.left;
+      edges.right = viewMetrics.left + viewMetrics.width;
+    }
+    return edges;
+  }
+
+  /**
+   * Returns the content area with added padding.
+   *
+   * @param viewMetrics The view metrics.
+   * @param contentMetrics The content metrics.
+   * @returns The padded content area.
+   */
+  protected getPaddedContent_(
+    viewMetrics: ContainerRegion,
+    contentMetrics: ContainerRegion,
+  ): {top: number; bottom: number; left: number; right: number} {
+    const contentBottom = contentMetrics.top + contentMetrics.height;
+    const contentRight = contentMetrics.left + contentMetrics.width;
+
+    const viewWidth = viewMetrics.width;
+    const viewHeight = viewMetrics.height;
+    const halfWidth = viewWidth / 2;
+    const halfHeight = viewHeight / 2;
+
+    // Add a padding around the content that is at least half a screen wide.
+    // Ensure padding is wide enough that blocks can scroll over entire screen.
+    const top = Math.min(
+      contentMetrics.top - halfHeight,
+      contentBottom - viewHeight,
+    );
+    const left = Math.min(
+      contentMetrics.left - halfWidth,
+      contentRight - viewWidth,
+    );
+    const bottom = Math.max(
+      contentBottom + halfHeight,
+      contentMetrics.top + viewHeight,
+    );
+    const right = Math.max(
+      contentRight + halfWidth,
+      contentMetrics.left + viewWidth,
+    );
+
+    return {top, bottom, left, right};
+  }
+
+  /**
+   * Returns the metrics for the scroll area of the workspace.
+   *
+   * @param opt_getWorkspaceCoordinates True to get the scroll metrics in
+   *     workspace coordinates, false to get them in pixel coordinates.
+   * @param opt_viewMetrics The view metrics if they have been previously
+   *     computed. Passing in null may cause the view metrics to be computed
+   *     again, if it is needed.
+   * @param opt_contentMetrics The content metrics if they have been previously
+   *     computed. Passing in null may cause the content metrics to be computed
+   *     again, if it is needed.
+   * @returns The metrics for the scroll container.
+   */
+  getScrollMetrics(
+    opt_getWorkspaceCoordinates?: boolean,
+    opt_viewMetrics?: ContainerRegion,
+    opt_contentMetrics?: ContainerRegion,
+  ): ContainerRegion {
+    const scale = opt_getWorkspaceCoordinates ? this.workspace_.scale : 1;
+    const viewMetrics = opt_viewMetrics || this.getViewMetrics(false);
+    const contentMetrics = opt_contentMetrics || this.getContentMetrics();
+    const fixedEdges = this.getComputedFixedEdges_(viewMetrics);
+
+    // Add padding around content.
+    const paddedContent = this.getPaddedContent_(viewMetrics, contentMetrics);
+
+    // Use combination of fixed bounds and padded content to make scroll area.
+    const top =
+      fixedEdges.top !== undefined ? fixedEdges.top : paddedContent.top;
+    const left =
+      fixedEdges.left !== undefined ? fixedEdges.left : paddedContent.left;
+    const bottom =
+      fixedEdges.bottom !== undefined
+        ? fixedEdges.bottom
+        : paddedContent.bottom;
+    const right =
+      fixedEdges.right !== undefined ? fixedEdges.right : paddedContent.right;
+
+    return {
+      top: top / scale,
+      left: left / scale,
+      width: (right - left) / scale,
+      height: (bottom - top) / scale,
+    };
+  }
+
+  /**
+   * Returns common metrics used by UI elements.
+   *
+   * @returns The UI metrics.
+   */
+  getUiMetrics(): UiMetrics {
+    return {
+      viewMetrics: this.getViewMetrics(),
+      absoluteMetrics: this.getAbsoluteMetrics(),
+      toolboxMetrics: this.getToolboxMetrics(),
+    };
+  }
+
+  /**
+   * Returns an object with all the metrics required to size scrollbars for a
+   * top level workspace.  The following properties are computed:
+   * Coordinate system: pixel coordinates, -left, -up, +right, +down
+   * .viewHeight: Height of the visible portion of the workspace.
+   * .viewWidth: Width of the visible portion of the workspace.
+   * .contentHeight: Height of the content.
+   * .contentWidth: Width of the content.
+   * .scrollHeight: Height of the scroll area.
+   * .scrollWidth: Width of the scroll area.
+   * .svgHeight: Height of the Blockly div (the view + the toolbox,
+   *    simple or otherwise),
+   * .svgWidth: Width of the Blockly div (the view + the toolbox,
+   *    simple or otherwise),
+   * .viewTop: Top-edge of the visible portion of the workspace, relative to
+   *     the workspace origin.
+   * .viewLeft: Left-edge of the visible portion of the workspace, relative to
+   *     the workspace origin.
+   * .contentTop: Top-edge of the content, relative to the workspace origin.
+   * .contentLeft: Left-edge of the content relative to the workspace origin.
+   * .scrollTop: Top-edge of the scroll area, relative to the workspace origin.
+   * .scrollLeft: Left-edge of the scroll area relative to the workspace origin.
+   * .absoluteTop: Top-edge of the visible portion of the workspace, relative
+   *     to the blocklyDiv.
+   * .absoluteLeft: Left-edge of the visible portion of the workspace, relative
+   *     to the blocklyDiv.
+   * .toolboxWidth: Width of the toolbox, if it exists.  Otherwise zero.
+   * .toolboxHeight: Height of the toolbox, if it exists.  Otherwise zero.
+   * .flyoutWidth: Width of the flyout if it is always open.  Otherwise zero.
+   * .flyoutHeight: Height of the flyout if it is always open.  Otherwise zero.
+   * .toolboxPosition: Top, bottom, left or right. Use TOOLBOX_AT constants to
+   *     compare.
+   *
+   * @returns Contains size and position metrics of a top level workspace.
+   */
+  getMetrics(): Metrics {
+    const toolboxMetrics = this.getToolboxMetrics();
+    const flyoutMetrics = this.getFlyoutMetrics(true);
+    const svgMetrics = this.getSvgMetrics();
+    const absoluteMetrics = this.getAbsoluteMetrics();
+    const viewMetrics = this.getViewMetrics();
+    const contentMetrics = this.getContentMetrics();
+    const scrollMetrics = this.getScrollMetrics(
+      false,
+      viewMetrics,
+      contentMetrics,
+    );
+
+    return {
+      contentHeight: contentMetrics.height,
+      contentWidth: contentMetrics.width,
+      contentTop: contentMetrics.top,
+      contentLeft: contentMetrics.left,
+
+      scrollHeight: scrollMetrics.height,
+      scrollWidth: scrollMetrics.width,
+      scrollTop: scrollMetrics.top,
+      scrollLeft: scrollMetrics.left,
+
+      viewHeight: viewMetrics.height,
+      viewWidth: viewMetrics.width,
+      viewTop: viewMetrics.top,
+      viewLeft: viewMetrics.left,
+
+      absoluteTop: absoluteMetrics.top,
+      absoluteLeft: absoluteMetrics.left,
+
+      svgHeight: svgMetrics.height,
+      svgWidth: svgMetrics.width,
+
+      toolboxWidth: toolboxMetrics.width,
+      toolboxHeight: toolboxMetrics.height,
+      toolboxPosition: toolboxMetrics.position,
+
+      flyoutWidth: flyoutMetrics.width,
+      flyoutHeight: flyoutMetrics.height,
+    };
+  }
+}
+
+export namespace MetricsManager {
+  /**
+   * Describes the width, height and location of the toolbox on the main
+   * workspace.
+   */
+  export interface ToolboxMetrics {
+    width: number;
+    height: number;
+    position: toolboxUtils.Position;
+  }
+
+  /** Describes where the viewport starts in relation to the workspace SVG. */
+  export interface AbsoluteMetrics {
+    left: number;
+    top: number;
+  }
+
+  /**
+   * All the measurements needed to describe the size and location of a
+   * container.
+   */
+  export interface ContainerRegion {
+    height: number;
+    width: number;
+    top: number;
+    left: number;
+  }
+
+  /** Describes fixed edges of the workspace. */
+  export interface FixedEdges {
+    top?: number;
+    bottom?: number;
+    left?: number;
+    right?: number;
+  }
+
+  /** Common metrics used for UI elements. */
+  export interface UiMetrics {
+    viewMetrics: ContainerRegion;
+    absoluteMetrics: AbsoluteMetrics;
+    toolboxMetrics: ToolboxMetrics;
+  }
+}
+
+export type ToolboxMetrics = MetricsManager.ToolboxMetrics;
+export type AbsoluteMetrics = MetricsManager.AbsoluteMetrics;
+export type ContainerRegion = MetricsManager.ContainerRegion;
+export type FixedEdges = MetricsManager.FixedEdges;
+export type UiMetrics = MetricsManager.UiMetrics;
+
+registry.register(
+  registry.Type.METRICS_MANAGER,
+  registry.DEFAULT,
+  MetricsManager,
+);
diff --git a/core/msg.js b/core/msg.js
deleted file mode 100644
index 8cf7a2c5b3c..00000000000
--- a/core/msg.js
+++ /dev/null
@@ -1,31 +0,0 @@
-/**
- * @license
- * Copyright 2013 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Empty name space for the Message singleton.
- * @author scr@google.com (Sheridan Rawlins)
- */
-'use strict';
-
-/**
- * Name space for the Msg singleton.
- * Msg gets populated in the message files.
- */
-goog.provide('Blockly.Msg');
-
-goog.require('Blockly.utils.global');
-
-
-/**
- * Exported so that if Blockly is compiled with ADVANCED_COMPILATION,
- * the Blockly.Msg object exists for message files included in script tags.
- */
-if (!Blockly.utils.global['Blockly']) {
-  Blockly.utils.global['Blockly'] = {};
-}
-if (!Blockly.utils.global['Blockly']['Msg']) {
-  Blockly.utils.global['Blockly']['Msg'] = Blockly.Msg;
-}
diff --git a/core/msg.ts b/core/msg.ts
new file mode 100644
index 00000000000..5f780dd3f8d
--- /dev/null
+++ b/core/msg.ts
@@ -0,0 +1,27 @@
+/**
+ * @license
+ * Copyright 2013 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Msg
+
+/** A dictionary of localised messages. */
+export const Msg: {[key: string]: string} = Object.create(null);
+
+/**
+ * Sets the locale (i.e. the localized messages/block-text/etc) to the given
+ * locale.
+ *
+ * This is not useful/necessary when loading from a script tag, because the
+ * messages are automatically cluged into the Blockly.Msg object. But we provide
+ * it in both the script-tag and non-script-tag contexts so that the tscompiler
+ * can properly create our type definition files.
+ *
+ * @param locale An object defining the messages for a given language.
+ */
+export const setLocale = function (locale: {[key: string]: string}) {
+  Object.keys(locale).forEach(function (k) {
+    Msg[k] = locale[k];
+  });
+};
diff --git a/core/mutator.js b/core/mutator.js
deleted file mode 100644
index 3e4ba64cc94..00000000000
--- a/core/mutator.js
+++ /dev/null
@@ -1,555 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object representing a mutator dialog.  A mutator allows the
- * user to change the shape of a block using a nested blocks editor.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Mutator');
-
-goog.require('Blockly.Bubble');
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockChange');
-goog.require('Blockly.Events.Ui');
-goog.require('Blockly.Icon');
-goog.require('Blockly.navigation');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.global');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.utils.toolbox');
-goog.require('Blockly.utils.xml');
-goog.require('Blockly.WorkspaceSvg');
-goog.require('Blockly.Xml');
-
-goog.requireType('Blockly.utils.Metrics');
-
-
-/**
- * Class for a mutator dialog.
- * @param {!Array.<string>} quarkNames List of names of sub-blocks for flyout.
- * @extends {Blockly.Icon}
- * @constructor
- */
-Blockly.Mutator = function(quarkNames) {
-  Blockly.Mutator.superClass_.constructor.call(this, null);
-  this.quarkNames_ = quarkNames;
-};
-Blockly.utils.object.inherits(Blockly.Mutator, Blockly.Icon);
-
-/**
- * Width of workspace.
- * @private
- */
-Blockly.Mutator.prototype.workspaceWidth_ = 0;
-
-/**
- * Height of workspace.
- * @private
- */
-Blockly.Mutator.prototype.workspaceHeight_ = 0;
-
-/**
- * Set the block this mutator is associated with.
- * @param {Blockly.BlockSvg} block The block associated with this mutator.
- * @package
- */
-Blockly.Mutator.prototype.setBlock = function(block) {
-  this.block_ = block;
-};
-
-/**
- * Returns the workspace inside this mutator icon's bubble.
- * @return {Blockly.WorkspaceSvg} The workspace inside this mutator icon's
- *     bubble.
- * @package
- */
-Blockly.Mutator.prototype.getWorkspace = function() {
-  return this.workspace_;
-};
-
-/**
- * Draw the mutator icon.
- * @param {!Element} group The icon group.
- * @protected
- */
-Blockly.Mutator.prototype.drawIcon_ = function(group) {
-  // Square with rounded corners.
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'class': 'blocklyIconShape',
-        'rx': '4',
-        'ry': '4',
-        'height': '16',
-        'width': '16'
-      },
-      group);
-  // Gear teeth.
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH,
-      {
-        'class': 'blocklyIconSymbol',
-        'd': 'm4.203,7.296 0,1.368 -0.92,0.677 -0.11,0.41 0.9,1.559 0.41,' +
-             '0.11 1.043,-0.457 1.187,0.683 0.127,1.134 0.3,0.3 1.8,0 0.3,' +
-             '-0.299 0.127,-1.138 1.185,-0.682 1.046,0.458 0.409,-0.11 0.9,' +
-             '-1.559 -0.11,-0.41 -0.92,-0.677 0,-1.366 0.92,-0.677 0.11,' +
-             '-0.41 -0.9,-1.559 -0.409,-0.109 -1.046,0.458 -1.185,-0.682 ' +
-             '-0.127,-1.138 -0.3,-0.299 -1.8,0 -0.3,0.3 -0.126,1.135 -1.187,' +
-             '0.682 -1.043,-0.457 -0.41,0.11 -0.899,1.559 0.108,0.409z'
-      },
-      group);
-  // Axle hole.
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.CIRCLE,
-      {
-        'class': 'blocklyIconShape',
-        'r': '2.7',
-        'cx': '8',
-        'cy': '8'
-      },
-      group);
-};
-
-/**
- * Clicking on the icon toggles if the mutator bubble is visible.
- * Disable if block is uneditable.
- * @param {!Event} e Mouse click event.
- * @private
- * @override
- */
-Blockly.Mutator.prototype.iconClick_ = function(e) {
-  if (this.block_.isEditable()) {
-    Blockly.Icon.prototype.iconClick_.call(this, e);
-  }
-};
-
-/**
- * Create the editor for the mutator's bubble.
- * @return {!SVGElement} The top-level node of the editor.
- * @private
- */
-Blockly.Mutator.prototype.createEditor_ = function() {
-  /* Create the editor.  Here's the markup that will be generated:
-  <svg>
-    [Workspace]
-  </svg>
-  */
-  this.svgDialog_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.SVG,
-      {'x': Blockly.Bubble.BORDER_WIDTH, 'y': Blockly.Bubble.BORDER_WIDTH},
-      null);
-  // Convert the list of names into a list of XML objects for the flyout.
-  if (this.quarkNames_.length) {
-    var quarkXml = Blockly.utils.xml.createElement('xml');
-    for (var i = 0, quarkName; (quarkName = this.quarkNames_[i]); i++) {
-      var element = Blockly.utils.xml.createElement('block');
-      element.setAttribute('type', quarkName);
-      quarkXml.appendChild(element);
-    }
-  } else {
-    var quarkXml = null;
-  }
-  var workspaceOptions = new Blockly.Options(
-      /** @type {!Blockly.BlocklyOptions} */
-      ({
-        // If you want to enable disabling, also remove the
-        // event filter from workspaceChanged_ .
-        'disable': false,
-        'parentWorkspace': this.block_.workspace,
-        'media': this.block_.workspace.options.pathToMedia,
-        'rtl': this.block_.RTL,
-        'horizontalLayout': false,
-        'renderer': this.block_.workspace.options.renderer,
-        'rendererOverrides': this.block_.workspace.options.rendererOverrides
-      }));
-  workspaceOptions.toolboxPosition = this.block_.RTL ?
-      Blockly.utils.toolbox.Position.RIGHT :
-      Blockly.utils.toolbox.Position.LEFT;
-  var hasFlyout = !!quarkXml;
-  if (hasFlyout) {
-    workspaceOptions.languageTree =
-        Blockly.utils.toolbox.convertToolboxDefToJson(quarkXml);
-    workspaceOptions.getMetrics = this.getFlyoutMetrics_.bind(this);
-  }
-  this.workspace_ = new Blockly.WorkspaceSvg(workspaceOptions);
-  this.workspace_.isMutator = true;
-  this.workspace_.addChangeListener(Blockly.Events.disableOrphans);
-
-  // Mutator flyouts go inside the mutator workspace's <g> rather than in
-  // a top level svg. Instead of handling scale themselves, mutators
-  // inherit scale from the parent workspace.
-  // To fix this, scale needs to be applied at a different level in the dom.
-  var flyoutSvg = hasFlyout ?
-      this.workspace_.addFlyout(Blockly.utils.Svg.G) : null;
-  var background = this.workspace_.createDom('blocklyMutatorBackground');
-
-  if (flyoutSvg) {
-    // Insert the flyout after the <rect> but before the block canvas so that
-    // the flyout is underneath in z-order.  This makes blocks layering during
-    // dragging work properly.
-    background.insertBefore(flyoutSvg, this.workspace_.svgBlockCanvas_);
-  }
-  this.svgDialog_.appendChild(background);
-
-  return this.svgDialog_;
-};
-
-/**
- * Add or remove the UI indicating if this icon may be clicked or not.
- */
-Blockly.Mutator.prototype.updateEditable = function() {
-  Blockly.Mutator.superClass_.updateEditable.call(this);
-  if (!this.block_.isInFlyout) {
-    if (this.block_.isEditable()) {
-      if (this.iconGroup_) {
-        Blockly.utils.dom.removeClass(
-            /** @type {!Element} */ (this.iconGroup_),
-            'blocklyIconGroupReadonly');
-      }
-    } else {
-      // Close any mutator bubble.  Icon is not clickable.
-      this.setVisible(false);
-      if (this.iconGroup_) {
-        Blockly.utils.dom.addClass(
-            /** @type {!Element} */ (this.iconGroup_),
-            'blocklyIconGroupReadonly');
-      }
-    }
-  }
-};
-
-/**
- * Resize the bubble to match the size of the workspace.
- * @private
- */
-Blockly.Mutator.prototype.resizeBubble_ = function() {
-  var doubleBorderWidth = 2 * Blockly.Bubble.BORDER_WIDTH;
-  var workspaceSize = this.workspace_.getCanvas().getBBox();
-  var width = workspaceSize.width + workspaceSize.x;
-  var height = workspaceSize.height + doubleBorderWidth * 3;
-  var flyout = this.workspace_.getFlyout();
-  if (flyout) {
-    var flyoutMetrics = flyout.getMetrics_();
-    height = Math.max(height, flyoutMetrics.contentHeight + 20);
-    width += flyout.getWidth();
-  }
-  if (this.block_.RTL) {
-    width = -workspaceSize.x;
-  }
-  width += doubleBorderWidth * 3;
-  // Only resize if the size difference is significant.  Eliminates shuddering.
-  if (Math.abs(this.workspaceWidth_ - width) > doubleBorderWidth ||
-      Math.abs(this.workspaceHeight_ - height) > doubleBorderWidth) {
-    // Record some layout information for getFlyoutMetrics_.
-    this.workspaceWidth_ = width;
-    this.workspaceHeight_ = height;
-    // Resize the bubble.
-    this.bubble_.setBubbleSize(
-        width + doubleBorderWidth, height + doubleBorderWidth);
-    this.svgDialog_.setAttribute('width', this.workspaceWidth_);
-    this.svgDialog_.setAttribute('height', this.workspaceHeight_);
-  }
-
-  if (this.block_.RTL) {
-    // Scroll the workspace to always left-align.
-    var translation = 'translate(' + this.workspaceWidth_ + ',0)';
-    this.workspace_.getCanvas().setAttribute('transform', translation);
-  }
-  this.workspace_.resize();
-};
-
-/**
- * A method handler for when the bubble is moved.
- * @private
- */
-Blockly.Mutator.prototype.onBubbleMove_ = function() {
-  if (this.workspace_) {
-    this.workspace_.recordDeleteAreas();
-  }
-};
-
-/**
- * Show or hide the mutator bubble.
- * @param {boolean} visible True if the bubble should be visible.
- */
-Blockly.Mutator.prototype.setVisible = function(visible) {
-  if (visible == this.isVisible()) {
-    // No change.
-    return;
-  }
-  Blockly.Events.fire(
-      new Blockly.Events.Ui(this.block_, 'mutatorOpen', !visible, visible));
-  if (visible) {
-    // Create the bubble.
-    this.bubble_ = new Blockly.Bubble(
-        /** @type {!Blockly.WorkspaceSvg} */ (this.block_.workspace),
-        this.createEditor_(), this.block_.pathObject.svgPath,
-        /** @type {!Blockly.utils.Coordinate} */ (this.iconXY_), null, null);
-    // Expose this mutator's block's ID on its top-level SVG group.
-    this.bubble_.setSvgId(this.block_.id);
-    this.bubble_.registerMoveEvent(this.onBubbleMove_.bind(this));
-    var tree = this.workspace_.options.languageTree;
-    var flyout = this.workspace_.getFlyout();
-    if (tree) {
-      flyout.init(this.workspace_);
-      flyout.show(tree);
-    }
-
-    this.rootBlock_ = this.block_.decompose(this.workspace_);
-    var blocks = this.rootBlock_.getDescendants(false);
-    for (var i = 0, child; (child = blocks[i]); i++) {
-      child.render();
-    }
-    // The root block should not be draggable or deletable.
-    this.rootBlock_.setMovable(false);
-    this.rootBlock_.setDeletable(false);
-    if (flyout) {
-      var margin = flyout.CORNER_RADIUS * 2;
-      var x = this.rootBlock_.RTL ? flyout.getWidth() + margin : margin;
-    } else {
-      var margin = 16;
-      var x = margin;
-    }
-    if (this.block_.RTL) {
-      x = -x;
-    }
-    this.rootBlock_.moveBy(x, margin);
-    // Save the initial connections, then listen for further changes.
-    if (this.block_.saveConnections) {
-      var thisMutator = this;
-      var mutatorBlock =
-        /** @type {{saveConnections: function(!Blockly.Block)}} */ (
-          this.block_);
-      mutatorBlock.saveConnections(this.rootBlock_);
-      this.sourceListener_ = function() {
-        mutatorBlock.saveConnections(thisMutator.rootBlock_);
-      };
-      this.block_.workspace.addChangeListener(this.sourceListener_);
-    }
-    this.resizeBubble_();
-    // When the mutator's workspace changes, update the source block.
-    this.workspace_.addChangeListener(this.workspaceChanged_.bind(this));
-    this.applyColour();
-  } else {
-    // Dispose of the bubble.
-    this.svgDialog_ = null;
-    this.workspace_.dispose();
-    this.workspace_ = null;
-    this.rootBlock_ = null;
-    this.bubble_.dispose();
-    this.bubble_ = null;
-    this.workspaceWidth_ = 0;
-    this.workspaceHeight_ = 0;
-    if (this.sourceListener_) {
-      this.block_.workspace.removeChangeListener(this.sourceListener_);
-      this.sourceListener_ = null;
-    }
-  }
-};
-
-/**
- * Update the source block when the mutator's blocks are changed.
- * Bump down any block that's too high.
- * Fired whenever a change is made to the mutator's workspace.
- * @param {!Blockly.Events.Abstract} e Custom data for event.
- * @private
- */
-Blockly.Mutator.prototype.workspaceChanged_ = function(e) {
-  if (e.type == Blockly.Events.UI ||
-      (e.type == Blockly.Events.CHANGE && e.element == 'disabled')) {
-    return;
-  }
-
-  if (!this.workspace_.isDragging()) {
-    var blocks = this.workspace_.getTopBlocks(false);
-    var MARGIN = 20;
-
-    for (var b = 0, block; (block = blocks[b]); b++) {
-      var blockXY = block.getRelativeToSurfaceXY();
-
-      // Bump any block that's above the top back inside.
-      if (blockXY.y < MARGIN) {
-        block.moveBy(0, MARGIN - blockXY.y);
-      }
-      // Bump any block overlapping the flyout back inside.
-      if (block.RTL) {
-        var right = -MARGIN;
-        var flyout = this.workspace_.getFlyout();
-        if (flyout) {
-          right -= flyout.getWidth();
-        }
-        if (blockXY.x > right) {
-          block.moveBy(right - blockXY.x, 0);
-        }
-      } else if (blockXY.x < MARGIN) {
-        block.moveBy(MARGIN - blockXY.x, 0);
-      }
-    }
-  }
-
-  // When the mutator's workspace changes, update the source block.
-  if (this.rootBlock_.workspace == this.workspace_) {
-    Blockly.Events.setGroup(true);
-    var block = this.block_;
-    var oldMutationDom = block.mutationToDom();
-    var oldMutation = oldMutationDom && Blockly.Xml.domToText(oldMutationDom);
-
-    // Switch off rendering while the source block is rebuilt.
-    var savedRendered = block.rendered;
-    // TODO(#4288): We should not be setting the rendered property to false.
-    block.rendered = false;
-
-    // Allow the source block to rebuild itself.
-    block.compose(this.rootBlock_);
-    // Restore rendering and show the changes.
-    block.rendered = savedRendered;
-    // Mutation may have added some elements that need initializing.
-    block.initSvg();
-
-    if ((/** @type {!Blockly.WorkspaceSvg} */ (Blockly.getMainWorkspace()))
-        .keyboardAccessibilityMode) {
-      Blockly.navigation.moveCursorOnBlockMutation(block);
-    }
-
-    if (block.rendered) {
-      block.render();
-    }
-
-    var newMutationDom = block.mutationToDom();
-    var newMutation = newMutationDom && Blockly.Xml.domToText(newMutationDom);
-    if (oldMutation != newMutation) {
-      Blockly.Events.fire(new Blockly.Events.BlockChange(
-          block, 'mutation', null, oldMutation, newMutation));
-    }
-
-    // Don't update the bubble until the drag has ended, to avoid moving blocks
-    // under the cursor.
-    if (!this.workspace_.isDragging()) {
-      this.resizeBubble_();
-    }
-    Blockly.Events.setGroup(false);
-  }
-};
-
-/**
- * Return an object with all the metrics required to size scrollbars for the
- * mutator flyout.  The following properties are computed:
- * .viewHeight: Height of the visible rectangle,
- * .viewWidth: Width of the visible rectangle,
- * .absoluteTop: Top-edge of view.
- * .absoluteLeft: Left-edge of view.
- * @return {!Blockly.utils.Metrics} Contains size and position metrics of
- *     mutator dialog's workspace.
- * @private
- */
-Blockly.Mutator.prototype.getFlyoutMetrics_ = function() {
-  // The mutator workspace only uses a subset of Blockly.utils.Metrics
-  // properties as features such as scroll and zoom are unsupported.
-  var unsupported = 0;
-  var flyout = this.workspace_.getFlyout();
-  var flyoutWidth = flyout ? flyout.getWidth() : 0;
-  return {
-    contentHeight: unsupported,
-    contentWidth: unsupported,
-    contentTop: unsupported,
-    contentLeft: unsupported,
-
-    viewHeight: this.workspaceHeight_,
-    viewWidth: this.workspaceWidth_ - flyoutWidth,
-    viewTop: unsupported,
-    viewLeft: unsupported,
-
-    absoluteTop: unsupported,
-    absoluteLeft: this.workspace_.RTL ? 0 : flyoutWidth
-  };
-};
-
-/**
- * Dispose of this mutator.
- */
-Blockly.Mutator.prototype.dispose = function() {
-  this.block_.mutator = null;
-  Blockly.Icon.prototype.dispose.call(this);
-};
-
-/**
- * Update the styles on all blocks in the mutator.
- * @public
- */
-Blockly.Mutator.prototype.updateBlockStyle = function() {
-  var ws = this.workspace_;
-
-  if (ws && ws.getAllBlocks(false)) {
-    var workspaceBlocks = ws.getAllBlocks(false);
-    for (var i = 0; i < workspaceBlocks.length; i++) {
-      var block = workspaceBlocks[i];
-      block.setStyle(block.getStyleName());
-    }
-
-    var flyout = ws.getFlyout();
-    if (flyout) {
-      var flyoutBlocks = flyout.workspace_.getAllBlocks(false);
-      for (var i = 0; i < flyoutBlocks.length; i++) {
-        var block = flyoutBlocks[i];
-        block.setStyle(block.getStyleName());
-      }
-    }
-  }
-};
-
-/**
- * Reconnect an block to a mutated input.
- * @param {Blockly.Connection} connectionChild Connection on child block.
- * @param {!Blockly.Block} block Parent block.
- * @param {string} inputName Name of input on parent block.
- * @return {boolean} True iff a reconnection was made, false otherwise.
- */
-Blockly.Mutator.reconnect = function(connectionChild, block, inputName) {
-  if (!connectionChild || !connectionChild.getSourceBlock().workspace) {
-    return false;  // No connection or block has been deleted.
-  }
-  var connectionParent = block.getInput(inputName).connection;
-  var currentParent = connectionChild.targetBlock();
-  if ((!currentParent || currentParent == block) &&
-      connectionParent.targetConnection != connectionChild) {
-    if (connectionParent.isConnected()) {
-      // There's already something connected here.  Get rid of it.
-      connectionParent.disconnect();
-    }
-    connectionParent.connect(connectionChild);
-    return true;
-  }
-  return false;
-};
-
-/**
- * Get the parent workspace of a workspace that is inside a mutator, taking into
- * account whether it is a flyout.
- * @param {Blockly.Workspace} workspace The workspace that is inside a mutator.
- * @return {Blockly.Workspace} The mutator's parent workspace or null.
- * @public
- */
-Blockly.Mutator.findParentWs = function(workspace) {
-  var outerWs = null;
-  if (workspace && workspace.options) {
-    var parent = workspace.options.parentWorkspace;
-    // If we were in a flyout in a mutator, need to go up two levels to find
-    // the actual parent.
-    if (workspace.isFlyout) {
-      if (parent && parent.options) {
-        outerWs = parent.options.parentWorkspace;
-      }
-    } else if (parent) {
-      outerWs = parent;
-    }
-  }
-  return outerWs;
-};
diff --git a/core/names.js b/core/names.js
deleted file mode 100644
index 8772f1e4180..00000000000
--- a/core/names.js
+++ /dev/null
@@ -1,186 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utility functions for handling variables and procedure names.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Names');
-
-goog.require('Blockly.Msg');
-
-
-/**
- * Class for a database of entity names (variables, functions, etc).
- * @param {string} reservedWords A comma-separated string of words that are
- *     illegal for use as names in a language (e.g. 'new,if,this,...').
- * @param {string=} opt_variablePrefix Some languages need a '$' or a namespace
- *     before all variable names.
- * @constructor
- */
-Blockly.Names = function(reservedWords, opt_variablePrefix) {
-  this.variablePrefix_ = opt_variablePrefix || '';
-  this.reservedDict_ = Object.create(null);
-  if (reservedWords) {
-    var splitWords = reservedWords.split(',');
-    for (var i = 0; i < splitWords.length; i++) {
-      this.reservedDict_[splitWords[i]] = true;
-    }
-  }
-  this.reset();
-};
-
-/**
- * Constant to separate developer variable names from user-defined variable
- * names when running generators.
- * A developer variable will be declared as a global in the generated code, but
- * will never be shown to the user in the workspace or stored in the variable
- * map.
- */
-Blockly.Names.DEVELOPER_VARIABLE_TYPE = 'DEVELOPER_VARIABLE';
-
-/**
- * When JavaScript (or most other languages) is generated, variable 'foo' and
- * procedure 'foo' would collide.  However, Blockly has no such problems since
- * variable get 'foo' and procedure call 'foo' are unambiguous.
- * Therefore, Blockly keeps a separate type name to disambiguate.
- * getName('foo', 'variable') -> 'foo'
- * getName('foo', 'procedure') -> 'foo2'
- */
-
-/**
- * Empty the database and start from scratch.  The reserved words are kept.
- */
-Blockly.Names.prototype.reset = function() {
-  this.db_ = Object.create(null);
-  this.dbReverse_ = Object.create(null);
-  this.variableMap_ = null;
-};
-
-/**
- * Set the variable map that maps from variable name to variable object.
- * @param {!Blockly.VariableMap} map The map to track.
- */
-Blockly.Names.prototype.setVariableMap = function(map) {
-  this.variableMap_ = map;
-};
-
-/**
- * Get the name for a user-defined variable, based on its ID.
- * This should only be used for variables of type
- * Blockly.VARIABLE_CATEGORY_NAME.
- * @param {string} id The ID to look up in the variable map.
- * @return {?string} The name of the referenced variable, or null if there was
- *     no variable map or the variable was not found in the map.
- * @private
- */
-Blockly.Names.prototype.getNameForUserVariable_ = function(id) {
-  if (!this.variableMap_) {
-    console.log('Deprecated call to Blockly.Names.prototype.getName without ' +
-        'defining a variable map. To fix, add the following code in your ' +
-        'generator\'s init() function:\n' +
-        'Blockly.YourGeneratorName.variableDB_.setVariableMap(' +
-        'workspace.getVariableMap());');
-    return null;
-  }
-  var variable = this.variableMap_.getVariableById(id);
-  if (variable) {
-    return variable.name;
-  } else {
-    return null;
-  }
-};
-
-/**
- * Convert a Blockly entity name to a legal exportable entity name.
- * @param {string} name The Blockly entity name (no constraints).
- * @param {string} type The type of entity in Blockly
- *     ('VARIABLE', 'PROCEDURE', 'BUILTIN', etc...).
- * @return {string} An entity name that is legal in the exported language.
- */
-Blockly.Names.prototype.getName = function(name, type) {
-  if (type == Blockly.VARIABLE_CATEGORY_NAME) {
-    var varName = this.getNameForUserVariable_(name);
-    if (varName) {
-      name = varName;
-    }
-  }
-  var normalized = name.toLowerCase() + '_' + type;
-
-  var isVarType = type == Blockly.VARIABLE_CATEGORY_NAME ||
-      type == Blockly.Names.DEVELOPER_VARIABLE_TYPE;
-
-  var prefix = isVarType ? this.variablePrefix_ : '';
-  if (normalized in this.db_) {
-    return prefix + this.db_[normalized];
-  }
-  var safeName = this.getDistinctName(name, type);
-  this.db_[normalized] = safeName.substr(prefix.length);
-  return safeName;
-};
-
-/**
- * Convert a Blockly entity name to a legal exportable entity name.
- * Ensure that this is a new name not overlapping any previously defined name.
- * Also check against list of reserved words for the current language and
- * ensure name doesn't collide.
- * @param {string} name The Blockly entity name (no constraints).
- * @param {string} type The type of entity in Blockly
- *     ('VARIABLE', 'PROCEDURE', 'BUILTIN', etc...).
- * @return {string} An entity name that is legal in the exported language.
- */
-Blockly.Names.prototype.getDistinctName = function(name, type) {
-  var safeName = this.safeName_(name);
-  var i = '';
-  while (this.dbReverse_[safeName + i] ||
-         (safeName + i) in this.reservedDict_) {
-    // Collision with existing name.  Create a unique name.
-    i = i ? i + 1 : 2;
-  }
-  safeName += i;
-  this.dbReverse_[safeName] = true;
-  var isVarType = type == Blockly.VARIABLE_CATEGORY_NAME ||
-      type == Blockly.Names.DEVELOPER_VARIABLE_TYPE;
-  var prefix = isVarType ? this.variablePrefix_ : '';
-  return prefix + safeName;
-};
-
-/**
- * Given a proposed entity name, generate a name that conforms to the
- * [_A-Za-z][_A-Za-z0-9]* format that most languages consider legal for
- * variables.
- * @param {string} name Potentially illegal entity name.
- * @return {string} Safe entity name.
- * @private
- */
-Blockly.Names.prototype.safeName_ = function(name) {
-  if (!name) {
-    name = Blockly.Msg['UNNAMED_KEY'] || 'unnamed';
-  } else {
-    // Unfortunately names in non-latin characters will look like
-    // _E9_9F_B3_E4_B9_90 which is pretty meaningless.
-    // https://github.com/google/blockly/issues/1654
-    name = encodeURI(name.replace(/ /g, '_')).replace(/[^\w]/g, '_');
-    // Most languages don't allow names with leading numbers.
-    if ('0123456789'.indexOf(name[0]) != -1) {
-      name = 'my_' + name;
-    }
-  }
-  return name;
-};
-
-/**
- * Do the given two entity names refer to the same entity?
- * Blockly names are case-insensitive.
- * @param {string} name1 First name.
- * @param {string} name2 Second name.
- * @return {boolean} True if names are the same.
- */
-Blockly.Names.equals = function(name1, name2) {
-  return name1.toLowerCase() == name2.toLowerCase();
-};
diff --git a/core/names.ts b/core/names.ts
new file mode 100644
index 00000000000..4f4c72faac8
--- /dev/null
+++ b/core/names.ts
@@ -0,0 +1,271 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Utility functions for handling variable and procedure names.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Names
+
+import {Msg} from './msg.js';
+// import * as Procedures from './procedures.js';
+import type {VariableMap} from './variable_map.js';
+import * as Variables from './variables.js';
+import type {Workspace} from './workspace.js';
+
+/**
+ * Class for a database of entity names (variables, procedures, etc).
+ */
+export class Names {
+  static DEVELOPER_VARIABLE_TYPE: NameType;
+  private readonly variablePrefix: string;
+
+  /** A set of reserved words. */
+  private readonly reservedWords: Set<string>;
+
+  /**
+   * A map from type (e.g. name, procedure) to maps from names to generated
+   * names.
+   */
+  private readonly db = new Map<string, Map<string, string>>();
+
+  /** A set of used names to avoid collisions. */
+  private readonly dbReverse = new Set<string>();
+
+  /**
+   * The variable map from the workspace, containing Blockly variable models.
+   */
+  private variableMap: VariableMap | null = null;
+
+  /**
+   * @param reservedWordsList A comma-separated string of words that are illegal
+   *     for use as names in a language (e.g. 'new,if,this,...').
+   * @param opt_variablePrefix Some languages need a '$' or a namespace before
+   *     all variable names (but not procedure names).
+   */
+  constructor(reservedWordsList: string, opt_variablePrefix?: string) {
+    /** The prefix to attach to variable names in generated code. */
+    this.variablePrefix = opt_variablePrefix || '';
+
+    this.reservedWords = new Set<string>(
+      reservedWordsList ? reservedWordsList.split(',') : [],
+    );
+  }
+
+  /**
+   * Empty the database and start from scratch.  The reserved words are kept.
+   */
+  reset() {
+    this.db.clear();
+    this.dbReverse.clear();
+    this.variableMap = null;
+  }
+
+  /**
+   * Set the variable map that maps from variable name to variable object.
+   *
+   * @param map The map to track.
+   */
+  setVariableMap(map: VariableMap) {
+    this.variableMap = map;
+  }
+
+  /**
+   * Get the name for a user-defined variable, based on its ID.
+   * This should only be used for variables of NameType VARIABLE.
+   *
+   * @param id The ID to look up in the variable map.
+   * @returns The name of the referenced variable, or null if there was no
+   *     variable map or the variable was not found in the map.
+   */
+  private getNameForUserVariable(id: string): string | null {
+    if (!this.variableMap) {
+      console.warn(
+        'Deprecated call to Names.prototype.getName without ' +
+          'defining a variable map. To fix, add the following code in your ' +
+          "generator's init() function:\n" +
+          'Blockly.YourGeneratorName.nameDB_.setVariableMap(' +
+          'workspace.getVariableMap());',
+      );
+      return null;
+    }
+    const variable = this.variableMap.getVariableById(id);
+    if (variable) {
+      return variable.name;
+    }
+    return null;
+  }
+
+  /**
+   * Generate names for user variables, but only ones that are being used.
+   *
+   * @param workspace Workspace to generate variables from.
+   */
+  populateVariables(workspace: Workspace) {
+    const variables = Variables.allUsedVarModels(workspace);
+    for (let i = 0; i < variables.length; i++) {
+      this.getName(variables[i].getId(), NameType.VARIABLE);
+    }
+  }
+
+  /**
+   * Generate names for procedures.
+   *
+   * @param workspace Workspace to generate procedures from.
+   */
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
+  populateProcedures(workspace: Workspace) {
+    throw new Error(
+      'The implementation of populateProcedures should be ' +
+        'monkey-patched in by blockly.ts',
+    );
+  }
+
+  /**
+   * Convert a Blockly entity name to a legal exportable entity name.
+   *
+   * @param nameOrId The Blockly entity name (no constraints) or variable ID.
+   * @param type The type of the name in Blockly ('VARIABLE', 'PROCEDURE',
+   *     'DEVELOPER_VARIABLE', etc...).
+   * @returns An entity name that is legal in the exported language.
+   */
+  getName(nameOrId: string, type: NameType | string): string {
+    let name = nameOrId;
+    if (type === NameType.VARIABLE) {
+      const varName = this.getNameForUserVariable(nameOrId);
+      if (varName) {
+        // Successful ID lookup.
+        name = varName;
+      }
+    }
+    const normalizedName = name.toLowerCase();
+
+    const isVar =
+      type === NameType.VARIABLE || type === NameType.DEVELOPER_VARIABLE;
+
+    const prefix = isVar ? this.variablePrefix : '';
+    if (!this.db.has(type)) {
+      this.db.set(type, new Map<string, string>());
+    }
+    const typeDb = this.db.get(type);
+    if (typeDb!.has(normalizedName)) {
+      return prefix + typeDb!.get(normalizedName);
+    }
+    const safeName = this.getDistinctName(name, type);
+    typeDb!.set(normalizedName, safeName.substr(prefix.length));
+    return safeName;
+  }
+
+  /**
+   * Return a list of all known user-created names of a specified name type.
+   *
+   * @param type The type of entity in Blockly ('VARIABLE', 'PROCEDURE',
+   *     'DEVELOPER_VARIABLE', etc...).
+   * @returns A list of Blockly entity names (no constraints).
+   */
+  getUserNames(type: NameType | string): string[] {
+    const userNames = this.db.get(type)?.keys();
+    return userNames ? Array.from(userNames) : [];
+  }
+
+  /**
+   * Convert a Blockly entity name to a legal exportable entity name.
+   * Ensure that this is a new name not overlapping any previously defined name.
+   * Also check against list of reserved words for the current language and
+   * ensure name doesn't collide.
+   *
+   * @param name The Blockly entity name (no constraints).
+   * @param type The type of entity in Blockly ('VARIABLE', 'PROCEDURE',
+   *     'DEVELOPER_VARIABLE', etc...).
+   * @returns An entity name that is legal in the exported language.
+   */
+  getDistinctName(name: string, type: NameType | string): string {
+    let safeName = this.safeName(name);
+    let i: number | null = null;
+    while (
+      this.dbReverse.has(safeName + (i ?? '')) ||
+      this.reservedWords.has(safeName + (i ?? ''))
+    ) {
+      // Collision with existing name.  Create a unique name.
+      i = i ? i + 1 : 2;
+    }
+    safeName += i ?? '';
+    this.dbReverse.add(safeName);
+    const isVar =
+      type === NameType.VARIABLE || type === NameType.DEVELOPER_VARIABLE;
+    const prefix = isVar ? this.variablePrefix : '';
+    return prefix + safeName;
+  }
+
+  /**
+   * Given a proposed entity name, generate a name that conforms to the
+   * [_A-Za-z][_A-Za-z0-9]* format that most languages consider legal for
+   * variable and function names.
+   *
+   * @param name Potentially illegal entity name.
+   * @returns Safe entity name.
+   */
+  private safeName(name: string): string {
+    if (!name) {
+      name = Msg['UNNAMED_KEY'] || 'unnamed';
+    } else {
+      // Unfortunately names in non-latin characters will look like
+      // _E9_9F_B3_E4_B9_90 which is pretty meaningless.
+      // https://github.com/google/blockly/issues/1654
+      name = encodeURI(name.replace(/ /g, '_')).replace(/[^\w]/g, '_');
+      // Most languages don't allow names with leading numbers.
+      if ('0123456789'.includes(name[0])) {
+        name = 'my_' + name;
+      }
+    }
+    return name;
+  }
+
+  /**
+   * Do the given two entity names refer to the same entity?
+   * Blockly names are case-insensitive.
+   *
+   * @param name1 First name.
+   * @param name2 Second name.
+   * @returns True if names are the same.
+   */
+  static equals(name1: string, name2: string): boolean {
+    // name1.localeCompare(name2) is slower.
+    return name1.toLowerCase() === name2.toLowerCase();
+  }
+}
+
+export namespace Names {
+  /**
+   * Enum for the type of a name. Different name types may have different rules
+   * about collisions.
+   * When JavaScript (or most other languages) is generated, variable 'foo' and
+   * procedure 'foo' would collide.  However, Blockly has no such problems since
+   * variable get 'foo' and procedure call 'foo' are unambiguous.
+   * Therefore, Blockly keeps a separate name type to disambiguate.
+   * getName('foo', 'VARIABLE') = 'foo'
+   * getName('foo', 'PROCEDURE') = 'foo2'
+   *
+   */
+  export enum NameType {
+    DEVELOPER_VARIABLE = 'DEVELOPER_VARIABLE',
+    VARIABLE = 'VARIABLE',
+    PROCEDURE = 'PROCEDURE',
+  }
+}
+
+export type NameType = Names.NameType;
+export const NameType = Names.NameType;
+
+/**
+ * Constant to separate developer variable names from user-defined variable
+ * names when running generators.
+ * A developer variable will be declared as a global in the generated code, but
+ * will never be shown to the user in the workspace or stored in the variable
+ * map.
+ */
+Names.DEVELOPER_VARIABLE_TYPE = NameType.DEVELOPER_VARIABLE;
diff --git a/core/observable_procedure_map.ts b/core/observable_procedure_map.ts
new file mode 100644
index 00000000000..e8722bcbf89
--- /dev/null
+++ b/core/observable_procedure_map.ts
@@ -0,0 +1,66 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {IProcedureMap} from './interfaces/i_procedure_map.js';
+import type {IProcedureModel} from './interfaces/i_procedure_model.js';
+import {isObservable} from './interfaces/i_observable.js';
+
+export class ObservableProcedureMap
+  extends Map<string, IProcedureModel>
+  implements IProcedureMap
+{
+  /** @internal */
+  constructor() {
+    super();
+  }
+
+  /**
+   * Adds the given procedure model to the procedure map.
+   */
+  override set(id: string, proc: IProcedureModel): this {
+    if (this.get(id) === proc) return this;
+    super.set(id, proc);
+    if (isObservable(proc)) proc.startPublishing();
+    return this;
+  }
+
+  /**
+   * Deletes the ProcedureModel with the given ID from the procedure map (if it
+   * exists).
+   */
+  override delete(id: string): boolean {
+    const proc = this.get(id);
+    const existed = super.delete(id);
+    if (!existed) return existed;
+    if (isObservable(proc)) proc.stopPublishing();
+    return existed;
+  }
+
+  /**
+   * Removes all ProcedureModels from the procedure map.
+   */
+  override clear() {
+    if (!this.size) return;
+    for (const id of this.keys()) {
+      this.delete(id);
+    }
+  }
+
+  /**
+   * Adds the given ProcedureModel to the map of procedure models, so that
+   * blocks can find it.
+   */
+  add(proc: IProcedureModel): this {
+    return this.set(proc.getId(), proc);
+  }
+
+  /**
+   * Returns all of the procedures stored in this map.
+   */
+  getProcedures(): IProcedureModel[] {
+    return [...this.values()];
+  }
+}
diff --git a/core/options.js b/core/options.js
deleted file mode 100644
index 489a0dfb306..00000000000
--- a/core/options.js
+++ /dev/null
@@ -1,365 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object that controls settings for the workspace.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.Options');
-
-goog.require('Blockly.Theme');
-goog.require('Blockly.Themes.Classic');
-goog.require('Blockly.registry');
-goog.require('Blockly.user.keyMap');
-goog.require('Blockly.utils.IdGenerator');
-goog.require('Blockly.utils.Metrics');
-goog.require('Blockly.utils.toolbox');
-goog.require('Blockly.utils.userAgent');
-goog.require('Blockly.Xml');
-
-goog.requireType('Blockly.WorkspaceSvg');
-
-
-/**
- * Parse the user-specified options, using reasonable defaults where behaviour
- * is unspecified.
- * @param {!Blockly.BlocklyOptions} options Dictionary of options.
- *     Specification: https://developers.google.com/blockly/guides/get-started/web#configuration
- * @constructor
- */
-Blockly.Options = function(options) {
-  var readOnly = !!options['readOnly'];
-  if (readOnly) {
-    var toolboxJsonDef = null;
-    var hasCategories = false;
-    var hasTrashcan = false;
-    var hasCollapse = false;
-    var hasComments = false;
-    var hasDisable = false;
-    var hasSounds = false;
-  } else {
-    var toolboxJsonDef = Blockly.utils.toolbox.convertToolboxDefToJson(options['toolbox']);
-    var hasCategories = Blockly.utils.toolbox.hasCategories(toolboxJsonDef);
-    var hasTrashcan = options['trashcan'];
-    if (hasTrashcan === undefined) {
-      hasTrashcan = hasCategories;
-    }
-    var maxTrashcanContents = options['maxTrashcanContents'];
-    if (hasTrashcan) {
-      if (maxTrashcanContents === undefined) {
-        maxTrashcanContents = 32;
-      }
-    } else {
-      maxTrashcanContents = 0;
-    }
-    var hasCollapse = options['collapse'];
-    if (hasCollapse === undefined) {
-      hasCollapse = hasCategories;
-    }
-    var hasComments = options['comments'];
-    if (hasComments === undefined) {
-      hasComments = hasCategories;
-    }
-    var hasDisable = options['disable'];
-    if (hasDisable === undefined) {
-      hasDisable = hasCategories;
-    }
-    var hasSounds = options['sounds'];
-    if (hasSounds === undefined) {
-      hasSounds = true;
-    }
-  }
-  var rtl = !!options['rtl'];
-  var horizontalLayout = options['horizontalLayout'];
-  if (horizontalLayout === undefined) {
-    horizontalLayout = false;
-  }
-  var toolboxAtStart = options['toolboxPosition'];
-  toolboxAtStart = toolboxAtStart !== 'end';
-
-  /** @type {!Blockly.utils.toolbox.Position} */
-  var toolboxPosition;
-  if (horizontalLayout) {
-    toolboxPosition = toolboxAtStart ?
-        Blockly.utils.toolbox.Position.TOP : Blockly.utils.toolbox.Position.BOTTOM;
-  } else {
-    toolboxPosition = (toolboxAtStart == rtl) ?
-        Blockly.utils.toolbox.Position.RIGHT : Blockly.utils.toolbox.Position.LEFT;
-  }
-
-  var hasCss = options['css'];
-  if (hasCss === undefined) {
-    hasCss = true;
-  }
-  var pathToMedia = 'https://blockly-demo.appspot.com/static/media/';
-  if (options['media']) {
-    pathToMedia = options['media'];
-  } else if (options['path']) {
-    // 'path' is a deprecated option which has been replaced by 'media'.
-    pathToMedia = options['path'] + 'media/';
-  }
-  if (options['oneBasedIndex'] === undefined) {
-    var oneBasedIndex = true;
-  } else {
-    var oneBasedIndex = !!options['oneBasedIndex'];
-  }
-  var keyMap = options['keyMap'] || Blockly.user.keyMap.createDefaultKeyMap();
-
-  var renderer = options['renderer'] || 'geras';
-
-  var plugins = options['plugins'] || {};
-
-  /** @type {boolean} */
-  this.RTL = rtl;
-  /** @type {boolean} */
-  this.oneBasedIndex = oneBasedIndex;
-  /** @type {boolean} */
-  this.collapse = hasCollapse;
-  /** @type {boolean} */
-  this.comments = hasComments;
-  /** @type {boolean} */
-  this.disable = hasDisable;
-  /** @type {boolean} */
-  this.readOnly = readOnly;
-  /** @type {number} */
-  this.maxBlocks = options['maxBlocks'] || Infinity;
-  /** @type {?Object.<string, number>} */
-  this.maxInstances = options['maxInstances'];
-  /** @type {string} */
-  this.pathToMedia = pathToMedia;
-  /** @type {boolean} */
-  this.hasCategories = hasCategories;
-  /** @type {!Blockly.Options.MoveOptions} */
-  this.moveOptions = Blockly.Options.parseMoveOptions_(options, hasCategories);
-  /** @deprecated  January 2019 */
-  this.hasScrollbars = this.moveOptions.scrollbars;
-  /** @type {boolean} */
-  this.hasTrashcan = hasTrashcan;
-  /** @type {number} */
-  this.maxTrashcanContents = maxTrashcanContents;
-  /** @type {boolean} */
-  this.hasSounds = hasSounds;
-  /** @type {boolean} */
-  this.hasCss = hasCss;
-  /** @type {boolean} */
-  this.horizontalLayout = horizontalLayout;
-  /** @type {?Blockly.utils.toolbox.ToolboxInfo} */
-  this.languageTree = toolboxJsonDef;
-  /** @type {!Blockly.Options.GridOptions} */
-  this.gridOptions = Blockly.Options.parseGridOptions_(options);
-  /** @type {!Blockly.Options.ZoomOptions} */
-  this.zoomOptions = Blockly.Options.parseZoomOptions_(options);
-  /** @type {!Blockly.utils.toolbox.Position} */
-  this.toolboxPosition = toolboxPosition;
-  /** @type {!Blockly.Theme} */
-  this.theme = Blockly.Options.parseThemeOptions_(options);
-  /** @type {!Object<string,Blockly.Action>} */
-  this.keyMap = keyMap;
-  /** @type {string} */
-  this.renderer = renderer;
-  /** @type {?Object} */
-  this.rendererOverrides = options['rendererOverrides'];
-
-  /**
-   * The SVG element for the grid pattern.
-   * Created during injection.
-   * @type {?SVGElement}
-   */
-  this.gridPattern = null;
-
-  /**
-   * The parent of the current workspace, or null if there is no parent
-   * workspace.  We can assert that this is of type WorkspaceSvg as opposed to
-   * Workspace as this is only used in a rendered workspace.
-   * @type {Blockly.WorkspaceSvg}
-   */
-  this.parentWorkspace = options['parentWorkspace'];
-
-  /**
-   * Map of plugin type to name of registered plugin or plugin class.
-   * @type {!Object.<string, (function(new:?, ...?)|string)>}
-   */
-  this.plugins = plugins;
-};
-
-/**
- * Blockly options.
- * This interface is further described in
- * `typings/parts/blockly-interfaces.d.ts`.
- * @interface
- */
-Blockly.BlocklyOptions = function() {};
-
-/**
- * Grid Options.
- * @typedef {{
- *     colour: string,
- *     length: number,
- *     snap: boolean,
- *     spacing: number
- * }}
- */
-Blockly.Options.GridOptions;
-
-/**
- * Move Options.
- * @typedef {{
- *     drag: boolean,
- *     scrollbars: boolean,
- *     wheel: boolean
- * }}
- */
-Blockly.Options.MoveOptions;
-
-/**
- * Zoom Options.
- * @typedef {{
- *     controls: boolean,
- *     maxScale: number,
- *     minScale: number,
- *     pinch: boolean,
- *     scaleSpeed: number,
- *     startScale: number,
- *     wheel: boolean
- * }}
- */
-Blockly.Options.ZoomOptions;
-
-/**
- * If set, sets the translation of the workspace to match the scrollbars.
- * @param {!{x:number,y:number}} xyRatio Contains an x and/or y property which
- *     is a float between 0 and 1 specifying the degree of scrolling.
- * @return {void}
- */
-Blockly.Options.prototype.setMetrics;
-
-/**
- * Return an object with the metrics required to size the workspace.
- * @return {!Blockly.utils.Metrics} Contains size and position metrics.
- */
-Blockly.Options.prototype.getMetrics;
-
-/**
- * Parse the user-specified move options, using reasonable defaults where
- *    behaviour is unspecified.
- * @param {!Object} options Dictionary of options.
- * @param {boolean} hasCategories Whether the workspace has categories or not.
- * @return {!Blockly.Options.MoveOptions} Normalized move options.
- * @private
- */
-Blockly.Options.parseMoveOptions_ = function(options, hasCategories) {
-  var move = options['move'] || {};
-  var moveOptions = {};
-  if (move['scrollbars'] === undefined && options['scrollbars'] === undefined) {
-    moveOptions.scrollbars = hasCategories;
-  } else {
-    moveOptions.scrollbars = !!move['scrollbars'] || !!options['scrollbars'];
-  }
-  if (!moveOptions.scrollbars || move['wheel'] === undefined) {
-    // Defaults to false so that developers' settings don't appear to change.
-    moveOptions.wheel = false;
-  } else {
-    moveOptions.wheel = !!move['wheel'];
-  }
-  if (!moveOptions.scrollbars) {
-    moveOptions.drag = false;
-  } else if (move['drag'] === undefined) {
-    // Defaults to true if scrollbars is true.
-    moveOptions.drag = true;
-  } else {
-    moveOptions.drag = !!move['drag'];
-  }
-  return moveOptions;
-};
-
-/**
- * Parse the user-specified zoom options, using reasonable defaults where
- * behaviour is unspecified.  See zoom documentation:
- *   https://developers.google.com/blockly/guides/configure/web/zoom
- * @param {!Object} options Dictionary of options.
- * @return {!Blockly.Options.ZoomOptions} Normalized zoom options.
- * @private
- */
-Blockly.Options.parseZoomOptions_ = function(options) {
-  var zoom = options['zoom'] || {};
-  var zoomOptions = {};
-  if (zoom['controls'] === undefined) {
-    zoomOptions.controls = false;
-  } else {
-    zoomOptions.controls = !!zoom['controls'];
-  }
-  if (zoom['wheel'] === undefined) {
-    zoomOptions.wheel = false;
-  } else {
-    zoomOptions.wheel = !!zoom['wheel'];
-  }
-  if (zoom['startScale'] === undefined) {
-    zoomOptions.startScale = 1;
-  } else {
-    zoomOptions.startScale = Number(zoom['startScale']);
-  }
-  if (zoom['maxScale'] === undefined) {
-    zoomOptions.maxScale = 3;
-  } else {
-    zoomOptions.maxScale = Number(zoom['maxScale']);
-  }
-  if (zoom['minScale'] === undefined) {
-    zoomOptions.minScale = 0.3;
-  } else {
-    zoomOptions.minScale = Number(zoom['minScale']);
-  }
-  if (zoom['scaleSpeed'] === undefined) {
-    zoomOptions.scaleSpeed = 1.2;
-  } else {
-    zoomOptions.scaleSpeed = Number(zoom['scaleSpeed']);
-  }
-  if (zoom['pinch'] === undefined) {
-    zoomOptions.pinch = zoomOptions.wheel || zoomOptions.controls;
-  } else {
-    zoomOptions.pinch = !!zoom['pinch'];
-  }
-  return zoomOptions;
-};
-
-/**
- * Parse the user-specified grid options, using reasonable defaults where
- * behaviour is unspecified. See grid documentation:
- *   https://developers.google.com/blockly/guides/configure/web/grid
- * @param {!Object} options Dictionary of options.
- * @return {!Blockly.Options.GridOptions} Normalized grid options.
- * @private
- */
-Blockly.Options.parseGridOptions_ = function(options) {
-  var grid = options['grid'] || {};
-  var gridOptions = {};
-  gridOptions.spacing = Number(grid['spacing']) || 0;
-  gridOptions.colour = grid['colour'] || '#888';
-  gridOptions.length =
-      (grid['length'] === undefined) ? 1 : Number(grid['length']);
-  gridOptions.snap = gridOptions.spacing > 0 && !!grid['snap'];
-  return gridOptions;
-};
-
-/**
- * Parse the user-specified theme options, using the classic theme as a default.
- *   https://developers.google.com/blockly/guides/configure/web/themes
- * @param {!Object} options Dictionary of options.
- * @return {!Blockly.Theme} A Blockly Theme.
- * @private
- */
-Blockly.Options.parseThemeOptions_ = function(options) {
-  var theme = options['theme'] || Blockly.Themes.Classic;
-  if (typeof theme == 'string') {
-    return /** @type {!Blockly.Theme} */ (
-      Blockly.registry.getObject(Blockly.registry.Type.THEME, theme));
-  } else if (theme instanceof Blockly.Theme) {
-    return /** @type {!Blockly.Theme} */ (theme);
-  }
-  return Blockly.Theme.defineTheme(theme.name ||
-      ('builtin' + Blockly.utils.IdGenerator.getNextUniqueId()), theme);
-};
diff --git a/core/options.ts b/core/options.ts
new file mode 100644
index 00000000000..42d2b41de73
--- /dev/null
+++ b/core/options.ts
@@ -0,0 +1,377 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Object that controls settings for the workspace.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Options
+
+import type {BlocklyOptions} from './blockly_options.js';
+import * as registry from './registry.js';
+import {Theme} from './theme.js';
+import {Classic} from './theme/classic.js';
+import * as idGenerator from './utils/idgenerator.js';
+import type {Metrics} from './utils/metrics.js';
+import * as toolbox from './utils/toolbox.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * Parse the user-specified options, using reasonable defaults where behaviour
+ * is unspecified.
+ */
+export class Options {
+  RTL: boolean;
+  oneBasedIndex: boolean;
+  collapse: boolean;
+  comments: boolean;
+  disable: boolean;
+  readOnly: boolean;
+  maxBlocks: number;
+  maxInstances: {[key: string]: number} | null;
+  modalInputs: boolean;
+  pathToMedia: string;
+  hasCategories: boolean;
+  moveOptions: MoveOptions;
+  /** @deprecated  January 2019 */
+  hasScrollbars: boolean;
+  hasTrashcan: boolean;
+  maxTrashcanContents: number;
+  hasSounds: boolean;
+  hasCss: boolean;
+  horizontalLayout: boolean;
+  languageTree: toolbox.ToolboxInfo | null;
+  gridOptions: GridOptions;
+  zoomOptions: ZoomOptions;
+  toolboxPosition: toolbox.Position;
+  theme: Theme;
+  renderer: string;
+  rendererOverrides: {[rendererConstant: string]: any} | null;
+
+  /**
+   * The SVG element for the grid pattern.
+   * Created during injection.
+   */
+  gridPattern: SVGElement | null = null;
+  parentWorkspace: WorkspaceSvg | null;
+  plugins: {[key: string]: (new (...p1: any[]) => any) | string};
+
+  /**
+   * If set, sets the translation of the workspace to match the scrollbars.
+   * A function that
+   *     sets the translation of the workspace to match the scrollbars. The
+   *     argument Contains an x and/or y property which is a float between 0
+   *     and 1 specifying the degree of scrolling.
+   */
+  setMetrics?: (p1: {x?: number; y?: number}) => void = undefined;
+
+  /**
+   * A function that returns a metrics
+   *     object that describes the current workspace.
+   */
+  getMetrics?: () => Metrics = undefined;
+
+  /**
+   * @param options Dictionary of options.
+   *     Specification:
+   * https://developers.google.com/blockly/guides/get-started/web#configuration
+   */
+  constructor(options: BlocklyOptions) {
+    let toolboxJsonDef = null;
+    let hasCategories = false;
+    let hasTrashcan = false;
+    let hasCollapse = false;
+    let hasComments = false;
+    let hasDisable = false;
+    let hasSounds = false;
+    const readOnly = !!options['readOnly'];
+    if (!readOnly) {
+      toolboxJsonDef = toolbox.convertToolboxDefToJson(
+        options['toolbox'] ?? null,
+      );
+      hasCategories = toolbox.hasCategories(toolboxJsonDef);
+      const rawHasTrashcan = options['trashcan'];
+      hasTrashcan =
+        rawHasTrashcan === undefined ? hasCategories : rawHasTrashcan;
+      const rawHasCollapse = options['collapse'];
+      hasCollapse =
+        rawHasCollapse === undefined ? hasCategories : rawHasCollapse;
+      const rawHasComments = options['comments'];
+      hasComments =
+        rawHasComments === undefined ? hasCategories : rawHasComments;
+      const rawHasDisable = options['disable'];
+      hasDisable = rawHasDisable === undefined ? hasCategories : rawHasDisable;
+      const rawHasSounds = options['sounds'];
+      hasSounds = rawHasSounds === undefined ? true : rawHasSounds;
+    }
+
+    let maxTrashcanContents = options['maxTrashcanContents'];
+    if (hasTrashcan) {
+      if (maxTrashcanContents === undefined) {
+        maxTrashcanContents = 32;
+      }
+    } else {
+      maxTrashcanContents = 0;
+    }
+    const rtl = !!options['rtl'];
+    let horizontalLayout = options['horizontalLayout'];
+    if (horizontalLayout === undefined) {
+      horizontalLayout = false;
+    }
+    const toolboxAtStart = options['toolboxPosition'] !== 'end';
+
+    let toolboxPosition: toolbox.Position;
+    if (horizontalLayout) {
+      toolboxPosition = toolboxAtStart
+        ? toolbox.Position.TOP
+        : toolbox.Position.BOTTOM;
+    } else {
+      toolboxPosition =
+        toolboxAtStart === rtl ? toolbox.Position.RIGHT : toolbox.Position.LEFT;
+    }
+
+    let hasCss = options['css'];
+    if (hasCss === undefined) {
+      hasCss = true;
+    }
+    let pathToMedia = 'https://blockly-demo.appspot.com/static/media/';
+    if (options['media']) {
+      pathToMedia = options['media'].endsWith('/')
+        ? options['media']
+        : options['media'] + '/';
+    }
+    const rawOneBasedIndex = options['oneBasedIndex'];
+    const oneBasedIndex =
+      rawOneBasedIndex === undefined ? true : rawOneBasedIndex;
+    const renderer = options['renderer'] || 'geras';
+
+    const plugins = options['plugins'] || {};
+
+    let modalInputs = options['modalInputs'];
+    if (modalInputs === undefined) {
+      modalInputs = true;
+    }
+
+    this.RTL = rtl;
+    this.oneBasedIndex = oneBasedIndex;
+    this.collapse = hasCollapse;
+    this.comments = hasComments;
+    this.disable = hasDisable;
+    this.readOnly = readOnly;
+    this.maxBlocks = options['maxBlocks'] || Infinity;
+    this.maxInstances = options['maxInstances'] ?? null;
+    this.modalInputs = modalInputs;
+    this.pathToMedia = pathToMedia;
+    this.hasCategories = hasCategories;
+    this.moveOptions = Options.parseMoveOptions_(options, hasCategories);
+    this.hasScrollbars = !!this.moveOptions.scrollbars;
+    this.hasTrashcan = hasTrashcan;
+    this.maxTrashcanContents = maxTrashcanContents;
+    this.hasSounds = hasSounds;
+    this.hasCss = hasCss;
+    this.horizontalLayout = horizontalLayout;
+    this.languageTree = toolboxJsonDef;
+    this.gridOptions = Options.parseGridOptions_(options);
+    this.zoomOptions = Options.parseZoomOptions_(options);
+    this.toolboxPosition = toolboxPosition;
+    this.theme = Options.parseThemeOptions_(options);
+    this.renderer = renderer;
+    this.rendererOverrides = options['rendererOverrides'] ?? null;
+
+    /**
+     * The parent of the current workspace, or null if there is no parent
+     * workspace.  We can assert that this is of type WorkspaceSvg as opposed to
+     * Workspace as this is only used in a rendered workspace.
+     */
+    this.parentWorkspace = options['parentWorkspace'] ?? null;
+
+    /** Map of plugin type to name of registered plugin or plugin class. */
+    this.plugins = plugins;
+  }
+
+  /**
+   * Parse the user-specified move options, using reasonable defaults where
+   *    behaviour is unspecified.
+   *
+   * @param options Dictionary of options.
+   * @param hasCategories Whether the workspace has categories or not.
+   * @returns Normalized move options.
+   */
+  private static parseMoveOptions_(
+    options: BlocklyOptions,
+    hasCategories: boolean,
+  ): MoveOptions {
+    const move = options['move'] || {};
+    const moveOptions = {} as MoveOptions;
+    if (
+      move['scrollbars'] === undefined &&
+      options['scrollbars'] === undefined
+    ) {
+      moveOptions.scrollbars = hasCategories;
+    } else if (typeof move['scrollbars'] === 'object') {
+      moveOptions.scrollbars = {
+        'horizontal': !!move['scrollbars']['horizontal'],
+        'vertical': !!move['scrollbars']['vertical'],
+      };
+      // Convert scrollbars object to boolean if they have the same value.
+      // This allows us to easily check for whether any scrollbars exist using
+      // !!moveOptions.scrollbars.
+      if (
+        moveOptions.scrollbars.horizontal &&
+        moveOptions.scrollbars.vertical
+      ) {
+        moveOptions.scrollbars = true;
+      } else if (
+        !moveOptions.scrollbars.horizontal &&
+        !moveOptions.scrollbars.vertical
+      ) {
+        moveOptions.scrollbars = false;
+      }
+    } else {
+      moveOptions.scrollbars = !!move['scrollbars'] || !!options['scrollbars'];
+    }
+
+    if (!moveOptions.scrollbars || move['wheel'] === undefined) {
+      // Defaults to true if single-direction scroll is enabled.
+      moveOptions.wheel = typeof moveOptions.scrollbars === 'object';
+    } else {
+      moveOptions.wheel = !!move['wheel'];
+    }
+    if (!moveOptions.scrollbars) {
+      moveOptions.drag = false;
+    } else if (move['drag'] === undefined) {
+      // Defaults to true if scrollbars is true.
+      moveOptions.drag = true;
+    } else {
+      moveOptions.drag = !!move['drag'];
+    }
+    return moveOptions;
+  }
+
+  /**
+   * Parse the user-specified zoom options, using reasonable defaults where
+   * behaviour is unspecified.  See zoom documentation:
+   *   https://developers.google.com/blockly/guides/configure/web/zoom
+   *
+   * @param options Dictionary of options.
+   * @returns Normalized zoom options.
+   */
+  private static parseZoomOptions_(options: BlocklyOptions): ZoomOptions {
+    const zoom = options['zoom'] || {};
+    const zoomOptions = {} as ZoomOptions;
+    if (zoom['controls'] === undefined) {
+      zoomOptions.controls = false;
+    } else {
+      zoomOptions.controls = !!zoom['controls'];
+    }
+    if (zoom['wheel'] === undefined) {
+      zoomOptions.wheel = false;
+    } else {
+      zoomOptions.wheel = !!zoom['wheel'];
+    }
+    if (zoom['startScale'] === undefined) {
+      zoomOptions.startScale = 1;
+    } else {
+      zoomOptions.startScale = Number(zoom['startScale']);
+    }
+    if (zoom['maxScale'] === undefined) {
+      zoomOptions.maxScale = 3;
+    } else {
+      zoomOptions.maxScale = Number(zoom['maxScale']);
+    }
+    if (zoom['minScale'] === undefined) {
+      zoomOptions.minScale = 0.3;
+    } else {
+      zoomOptions.minScale = Number(zoom['minScale']);
+    }
+    if (zoom['scaleSpeed'] === undefined) {
+      zoomOptions.scaleSpeed = 1.2;
+    } else {
+      zoomOptions.scaleSpeed = Number(zoom['scaleSpeed']);
+    }
+    if (zoom['pinch'] === undefined) {
+      zoomOptions.pinch = zoomOptions.wheel || zoomOptions.controls;
+    } else {
+      zoomOptions.pinch = !!zoom['pinch'];
+    }
+    return zoomOptions;
+  }
+
+  /**
+   * Parse the user-specified grid options, using reasonable defaults where
+   * behaviour is unspecified. See grid documentation:
+   *   https://developers.google.com/blockly/guides/configure/web/grid
+   *
+   * @param options Dictionary of options.
+   * @returns Normalized grid options.
+   */
+  private static parseGridOptions_(options: BlocklyOptions): GridOptions {
+    const grid = options['grid'] || {};
+    const gridOptions = {} as GridOptions;
+    gridOptions.spacing = Number(grid['spacing']) || 0;
+    gridOptions.colour = grid['colour'] || '#888';
+    gridOptions.length =
+      grid['length'] === undefined ? 1 : Number(grid['length']);
+    gridOptions.snap = gridOptions.spacing > 0 && !!grid['snap'];
+    return gridOptions;
+  }
+
+  /**
+   * Parse the user-specified theme options, using the classic theme as a
+   * default. https://developers.google.com/blockly/guides/configure/web/themes
+   *
+   * @param options Dictionary of options.
+   * @returns A Blockly Theme.
+   */
+  private static parseThemeOptions_(options: BlocklyOptions): Theme {
+    const theme = options['theme'] || Classic;
+    if (typeof theme === 'string') {
+      return registry.getObject(registry.Type.THEME, theme) as Theme;
+    } else if (theme instanceof Theme) {
+      return theme;
+    }
+    return Theme.defineTheme(
+      theme.name || 'builtin' + idGenerator.getNextUniqueId(),
+      theme,
+    );
+  }
+}
+
+export namespace Options {
+  export interface GridOptions {
+    colour: string;
+    length: number;
+    snap: boolean;
+    spacing: number;
+  }
+
+  export interface MoveOptions {
+    drag: boolean;
+    scrollbars: boolean | ScrollbarOptions;
+    wheel: boolean;
+  }
+
+  export interface ScrollbarOptions {
+    horizontal: boolean;
+    vertical: boolean;
+  }
+
+  export interface ZoomOptions {
+    controls: boolean;
+    maxScale: number;
+    minScale: number;
+    pinch: boolean;
+    scaleSpeed: number;
+    startScale: number;
+    wheel: boolean;
+  }
+}
+
+export type GridOptions = Options.GridOptions;
+export type MoveOptions = Options.MoveOptions;
+export type ScrollbarOptions = Options.ScrollbarOptions;
+export type ZoomOptions = Options.ZoomOptions;
diff --git a/core/positionable_helpers.ts b/core/positionable_helpers.ts
new file mode 100644
index 00000000000..9fc5011fe66
--- /dev/null
+++ b/core/positionable_helpers.ts
@@ -0,0 +1,186 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.uiPosition
+
+import type {UiMetrics} from './metrics_manager.js';
+import {Scrollbar} from './scrollbar.js';
+import {Rect} from './utils/rect.js';
+import type {Size} from './utils/size.js';
+import * as toolbox from './utils/toolbox.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * Enum for vertical positioning.
+ *
+ * @internal
+ */
+export enum verticalPosition {
+  TOP,
+  BOTTOM,
+}
+
+/**
+ * Enum for horizontal positioning.
+ *
+ * @internal
+ */
+export enum horizontalPosition {
+  LEFT,
+  RIGHT,
+}
+
+/**
+ * An object defining a horizontal and vertical positioning.
+ *
+ * @internal
+ */
+export interface Position {
+  horizontal: horizontalPosition;
+  vertical: verticalPosition;
+}
+
+/**
+ * Enum for bump rules to use for dealing with collisions.
+ *
+ * @internal
+ */
+export enum bumpDirection {
+  UP,
+  DOWN,
+}
+
+/**
+ * Returns a rectangle representing reasonable position for where to place a UI
+ * element of the specified size given the restraints and locations of the
+ * scrollbars. This method does not take into account any already placed UI
+ * elements.
+ *
+ * @param position The starting horizontal and vertical position.
+ * @param size the size of the UI element to get a start position for.
+ * @param horizontalPadding The horizontal padding to use.
+ * @param verticalPadding The vertical padding to use.
+ * @param metrics The workspace UI metrics.
+ * @param workspace The workspace.
+ * @returns The suggested start position.
+ * @internal
+ */
+export function getStartPositionRect(
+  position: Position,
+  size: Size,
+  horizontalPadding: number,
+  verticalPadding: number,
+  metrics: UiMetrics,
+  workspace: WorkspaceSvg,
+): Rect {
+  // Horizontal positioning.
+  let left = 0;
+  const hasVerticalScrollbar =
+    workspace.scrollbar && workspace.scrollbar.canScrollVertically();
+  if (position.horizontal === horizontalPosition.LEFT) {
+    left = metrics.absoluteMetrics.left + horizontalPadding;
+    if (hasVerticalScrollbar && workspace.RTL) {
+      left += Scrollbar.scrollbarThickness;
+    }
+  } else {
+    // position.horizontal === horizontalPosition.RIGHT
+    left =
+      metrics.absoluteMetrics.left +
+      metrics.viewMetrics.width -
+      size.width -
+      horizontalPadding;
+    if (hasVerticalScrollbar && !workspace.RTL) {
+      left -= Scrollbar.scrollbarThickness;
+    }
+  }
+  // Vertical positioning.
+  let top = 0;
+  if (position.vertical === verticalPosition.TOP) {
+    top = metrics.absoluteMetrics.top + verticalPadding;
+  } else {
+    // position.vertical === verticalPosition.BOTTOM
+    top =
+      metrics.absoluteMetrics.top +
+      metrics.viewMetrics.height -
+      size.height -
+      verticalPadding;
+    if (workspace.scrollbar && workspace.scrollbar.canScrollHorizontally()) {
+      // The scrollbars are always positioned on the bottom if they exist.
+      top -= Scrollbar.scrollbarThickness;
+    }
+  }
+  return new Rect(top, top + size.height, left, left + size.width);
+}
+
+/**
+ * Returns a corner position that is on the opposite side of the workspace from
+ * the toolbox.
+ * If in horizontal orientation, defaults to the bottom corner. If in vertical
+ * orientation, defaults to the right corner.
+ *
+ * @param workspace The workspace.
+ * @param metrics The workspace metrics.
+ * @returns The suggested corner position.
+ * @internal
+ */
+export function getCornerOppositeToolbox(
+  workspace: WorkspaceSvg,
+  metrics: UiMetrics,
+): Position {
+  const leftCorner =
+    metrics.toolboxMetrics.position !== toolbox.Position.LEFT &&
+    (!workspace.horizontalLayout || workspace.RTL);
+  const topCorner = metrics.toolboxMetrics.position === toolbox.Position.BOTTOM;
+  const hPosition = leftCorner
+    ? horizontalPosition.LEFT
+    : horizontalPosition.RIGHT;
+  const vPosition = topCorner ? verticalPosition.TOP : verticalPosition.BOTTOM;
+  return {horizontal: hPosition, vertical: vPosition};
+}
+
+/**
+ * Returns a position Rect based on a starting position that is bumped
+ * so that it doesn't intersect with any of the provided savedPositions. This
+ * method does not check that the bumped position is still within bounds.
+ *
+ * @param startRect The starting position to use.
+ * @param margin The margin to use between elements when bumping.
+ * @param bumpDir The direction to bump if there is a collision with an existing
+ *     UI element.
+ * @param savedPositions List of rectangles that represent the positions of UI
+ *     elements already placed.
+ * @returns The suggested position rectangle.
+ * @internal
+ */
+export function bumpPositionRect(
+  startRect: Rect,
+  margin: number,
+  bumpDir: bumpDirection,
+  savedPositions: Rect[],
+): Rect {
+  let top = startRect.top;
+  const left = startRect.left;
+  const width = startRect.right - startRect.left;
+  const height = startRect.bottom - startRect.top;
+
+  // Check for collision and bump if needed.
+  let boundingRect = startRect;
+  for (let i = 0; i < savedPositions.length; i++) {
+    const otherEl = savedPositions[i];
+    if (boundingRect.intersects(otherEl)) {
+      if (bumpDir === bumpDirection.UP) {
+        top = otherEl.top - height - margin;
+      } else {
+        // bumpDir === bumpDirection.DOWN
+        top = otherEl.bottom + margin;
+      }
+      // Recheck other savedPositions
+      boundingRect = new Rect(top, top + height, left, left + width);
+      i = -1;
+    }
+  }
+  return boundingRect;
+}
diff --git a/core/procedures.js b/core/procedures.js
deleted file mode 100644
index 610c7890d79..00000000000
--- a/core/procedures.js
+++ /dev/null
@@ -1,404 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utility functions for handling procedures.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.Procedures
- * @namespace
- */
-goog.provide('Blockly.Procedures');
-
-goog.require('Blockly.Blocks');
-goog.require('Blockly.constants');
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockChange');
-goog.require('Blockly.Field');
-goog.require('Blockly.Msg');
-goog.require('Blockly.Names');
-goog.require('Blockly.utils.xml');
-goog.require('Blockly.Workspace');
-goog.require('Blockly.Xml');
-
-
-/**
- * Constant to separate procedure names from variables and generated functions
- * when running generators.
- * @deprecated Use Blockly.PROCEDURE_CATEGORY_NAME
- */
-Blockly.Procedures.NAME_TYPE = Blockly.PROCEDURE_CATEGORY_NAME;
-
-/**
- * The default argument for a procedures_mutatorarg block.
- * @type {string}
- */
-Blockly.Procedures.DEFAULT_ARG = 'x';
-
-/**
- * Procedure block type.
- * @typedef {{
- *    getProcedureCall: function():string,
- *    renameProcedure: function(string,string),
- *    getProcedureDef: function():!Array
- * }}
- */
-Blockly.Procedures.ProcedureBlock;
-
-/**
- * Find all user-created procedure definitions in a workspace.
- * @param {!Blockly.Workspace} root Root workspace.
- * @return {!Array.<!Array.<!Array>>} Pair of arrays, the
- *     first contains procedures without return variables, the second with.
- *     Each procedure is defined by a three-element list of name, parameter
- *     list, and return value boolean.
- */
-Blockly.Procedures.allProcedures = function(root) {
-  var proceduresNoReturn = root.getBlocksByType('procedures_defnoreturn', false)
-      .map(function(block) {
-        return /** @type {!Blockly.Procedures.ProcedureBlock} */ (block).getProcedureDef();
-      });
-  var proceduresReturn = root.getBlocksByType('procedures_defreturn', false).map(function(block) {
-    return /** @type {!Blockly.Procedures.ProcedureBlock} */ (block).getProcedureDef();
-  });
-  proceduresNoReturn.sort(Blockly.Procedures.procTupleComparator_);
-  proceduresReturn.sort(Blockly.Procedures.procTupleComparator_);
-  return [proceduresNoReturn, proceduresReturn];
-};
-
-/**
- * Comparison function for case-insensitive sorting of the first element of
- * a tuple.
- * @param {!Array} ta First tuple.
- * @param {!Array} tb Second tuple.
- * @return {number} -1, 0, or 1 to signify greater than, equality, or less than.
- * @private
- */
-Blockly.Procedures.procTupleComparator_ = function(ta, tb) {
-  return ta[0].toLowerCase().localeCompare(tb[0].toLowerCase());
-};
-
-/**
- * Ensure two identically-named procedures don't exist.
- * Take the proposed procedure name, and return a legal name i.e. one that
- * is not empty and doesn't collide with other procedures.
- * @param {string} name Proposed procedure name.
- * @param {!Blockly.Block} block Block to disambiguate.
- * @return {string} Non-colliding name.
- */
-Blockly.Procedures.findLegalName = function(name, block) {
-  if (block.isInFlyout) {
-    // Flyouts can have multiple procedures called 'do something'.
-    return name;
-  }
-  name = name || Blockly.Msg['UNNAMED_KEY'] || 'unnamed';
-  while (!Blockly.Procedures.isLegalName_(name, block.workspace, block)) {
-    // Collision with another procedure.
-    var r = name.match(/^(.*?)(\d+)$/);
-    if (!r) {
-      name += '2';
-    } else {
-      name = r[1] + (parseInt(r[2], 10) + 1);
-    }
-  }
-  return name;
-};
-
-/**
- * Does this procedure have a legal name?  Illegal names include names of
- * procedures already defined.
- * @param {string} name The questionable name.
- * @param {!Blockly.Workspace} workspace The workspace to scan for collisions.
- * @param {Blockly.Block=} opt_exclude Optional block to exclude from
- *     comparisons (one doesn't want to collide with oneself).
- * @return {boolean} True if the name is legal.
- * @private
- */
-Blockly.Procedures.isLegalName_ = function(name, workspace, opt_exclude) {
-  return !Blockly.Procedures.isNameUsed(name, workspace, opt_exclude);
-};
-
-/**
- * Return if the given name is already a procedure name.
- * @param {string} name The questionable name.
- * @param {!Blockly.Workspace} workspace The workspace to scan for collisions.
- * @param {Blockly.Block=} opt_exclude Optional block to exclude from
- *     comparisons (one doesn't want to collide with oneself).
- * @return {boolean} True if the name is used, otherwise return false.
- */
-Blockly.Procedures.isNameUsed = function(name, workspace, opt_exclude) {
-  var blocks = workspace.getAllBlocks(false);
-  // Iterate through every block and check the name.
-  for (var i = 0; i < blocks.length; i++) {
-    if (blocks[i] == opt_exclude) {
-      continue;
-    }
-    if (blocks[i].getProcedureDef) {
-      var procedureBlock = /** @type {!Blockly.Procedures.ProcedureBlock} */ (
-        blocks[i]);
-      var procName = procedureBlock.getProcedureDef();
-      if (Blockly.Names.equals(procName[0], name)) {
-        return true;
-      }
-    }
-  }
-  return false;
-};
-
-/**
- * Rename a procedure.  Called by the editable field.
- * @param {string} name The proposed new name.
- * @return {string} The accepted name.
- * @this {Blockly.Field}
- */
-Blockly.Procedures.rename = function(name) {
-  // Strip leading and trailing whitespace.  Beyond this, all names are legal.
-  name = name.trim();
-
-  var legalName = Blockly.Procedures.findLegalName(name,
-      /** @type {!Blockly.Block} */ (this.getSourceBlock()));
-  var oldName = this.getValue();
-  if (oldName != name && oldName != legalName) {
-    // Rename any callers.
-    var blocks = this.getSourceBlock().workspace.getAllBlocks(false);
-    for (var i = 0; i < blocks.length; i++) {
-      if (blocks[i].renameProcedure) {
-        var procedureBlock = /** @type {!Blockly.Procedures.ProcedureBlock} */ (
-          blocks[i]);
-        procedureBlock.renameProcedure(
-            /** @type {string} */ (oldName), legalName);
-      }
-    }
-  }
-  return legalName;
-};
-
-/**
- * Construct the blocks required by the flyout for the procedure category.
- * @param {!Blockly.Workspace} workspace The workspace containing procedures.
- * @return {!Array.<!Element>} Array of XML block elements.
- */
-Blockly.Procedures.flyoutCategory = function(workspace) {
-  var xmlList = [];
-  if (Blockly.Blocks['procedures_defnoreturn']) {
-    // <block type="procedures_defnoreturn" gap="16">
-    //     <field name="NAME">do something</field>
-    // </block>
-    var block = Blockly.utils.xml.createElement('block');
-    block.setAttribute('type', 'procedures_defnoreturn');
-    block.setAttribute('gap', 16);
-    var nameField = Blockly.utils.xml.createElement('field');
-    nameField.setAttribute('name', 'NAME');
-    nameField.appendChild(Blockly.utils.xml.createTextNode(
-        Blockly.Msg['PROCEDURES_DEFNORETURN_PROCEDURE']));
-    block.appendChild(nameField);
-    xmlList.push(block);
-  }
-  if (Blockly.Blocks['procedures_defreturn']) {
-    // <block type="procedures_defreturn" gap="16">
-    //     <field name="NAME">do something</field>
-    // </block>
-    var block = Blockly.utils.xml.createElement('block');
-    block.setAttribute('type', 'procedures_defreturn');
-    block.setAttribute('gap', 16);
-    var nameField = Blockly.utils.xml.createElement('field');
-    nameField.setAttribute('name', 'NAME');
-    nameField.appendChild(Blockly.utils.xml.createTextNode(
-        Blockly.Msg['PROCEDURES_DEFRETURN_PROCEDURE']));
-    block.appendChild(nameField);
-    xmlList.push(block);
-  }
-  if (Blockly.Blocks['procedures_ifreturn']) {
-    // <block type="procedures_ifreturn" gap="16"></block>
-    var block = Blockly.utils.xml.createElement('block');
-    block.setAttribute('type', 'procedures_ifreturn');
-    block.setAttribute('gap', 16);
-    xmlList.push(block);
-  }
-  if (xmlList.length) {
-    // Add slightly larger gap between system blocks and user calls.
-    xmlList[xmlList.length - 1].setAttribute('gap', 24);
-  }
-
-  function populateProcedures(procedureList, templateName) {
-    for (var i = 0; i < procedureList.length; i++) {
-      var name = procedureList[i][0];
-      var args = procedureList[i][1];
-      // <block type="procedures_callnoreturn" gap="16">
-      //   <mutation name="do something">
-      //     <arg name="x"></arg>
-      //   </mutation>
-      // </block>
-      var block = Blockly.utils.xml.createElement('block');
-      block.setAttribute('type', templateName);
-      block.setAttribute('gap', 16);
-      var mutation = Blockly.utils.xml.createElement('mutation');
-      mutation.setAttribute('name', name);
-      block.appendChild(mutation);
-      for (var j = 0; j < args.length; j++) {
-        var arg = Blockly.utils.xml.createElement('arg');
-        arg.setAttribute('name', args[j]);
-        mutation.appendChild(arg);
-      }
-      xmlList.push(block);
-    }
-  }
-
-  var tuple = Blockly.Procedures.allProcedures(workspace);
-  populateProcedures(tuple[0], 'procedures_callnoreturn');
-  populateProcedures(tuple[1], 'procedures_callreturn');
-  return xmlList;
-};
-
-/**
- * Updates the procedure mutator's flyout so that the arg block is not a
- * duplicate of another arg.
- * @param {!Blockly.Workspace} workspace The procedure mutator's workspace. This
- *     workspace's flyout is what is being updated.
- * @private
- */
-Blockly.Procedures.updateMutatorFlyout_ = function(workspace) {
-  var usedNames = [];
-  var blocks = workspace.getBlocksByType('procedures_mutatorarg', false);
-  for (var i = 0, block; (block = blocks[i]); i++) {
-    usedNames.push(block.getFieldValue('NAME'));
-  }
-
-  var xml = Blockly.utils.xml.createElement('xml');
-  var argBlock = Blockly.utils.xml.createElement('block');
-  argBlock.setAttribute('type', 'procedures_mutatorarg');
-  var nameField = Blockly.utils.xml.createElement('field');
-  nameField.setAttribute('name', 'NAME');
-  var argValue = Blockly.Variables.generateUniqueNameFromOptions(
-      Blockly.Procedures.DEFAULT_ARG, usedNames);
-  var fieldContent = Blockly.utils.xml.createTextNode(argValue);
-
-  nameField.appendChild(fieldContent);
-  argBlock.appendChild(nameField);
-  xml.appendChild(argBlock);
-
-  workspace.updateToolbox(xml);
-};
-
-/**
- * Listens for when a procedure mutator is opened. Then it triggers a flyout
- * update and adds a mutator change listener to the mutator workspace.
- * @param {!Blockly.Events.Abstract} e The event that triggered this listener.
- * @package
- */
-Blockly.Procedures.mutatorOpenListener = function(e) {
-  if (e.type != Blockly.Events.UI || e.element != 'mutatorOpen' ||
-      !e.newValue) {
-    return;
-  }
-  var workspaceId = /** @type {string} */ (e.workspaceId);
-  var block = Blockly.Workspace.getById(workspaceId)
-      .getBlockById(e.blockId);
-  var type = block.type;
-  if (type != 'procedures_defnoreturn' && type != 'procedures_defreturn') {
-    return;
-  }
-  var workspace = block.mutator.getWorkspace();
-  Blockly.Procedures.updateMutatorFlyout_(workspace);
-  workspace.addChangeListener(Blockly.Procedures.mutatorChangeListener_);
-};
-
-/**
- * Listens for changes in a procedure mutator and triggers flyout updates when
- * necessary.
- * @param {!Blockly.Events.Abstract} e The event that triggered this listener.
- * @private
- */
-Blockly.Procedures.mutatorChangeListener_ = function(e) {
-  if (e.type != Blockly.Events.BLOCK_CREATE &&
-      e.type != Blockly.Events.BLOCK_DELETE &&
-      e.type != Blockly.Events.BLOCK_CHANGE) {
-    return;
-  }
-  var workspaceId = /** @type {string} */ (e.workspaceId);
-  var workspace = /** @type {!Blockly.WorkspaceSvg} */
-      (Blockly.Workspace.getById(workspaceId));
-  Blockly.Procedures.updateMutatorFlyout_(workspace);
-};
-
-/**
- * Find all the callers of a named procedure.
- * @param {string} name Name of procedure.
- * @param {!Blockly.Workspace} workspace The workspace to find callers in.
- * @return {!Array.<!Blockly.Block>} Array of caller blocks.
- */
-Blockly.Procedures.getCallers = function(name, workspace) {
-  var callers = [];
-  var blocks = workspace.getAllBlocks(false);
-  // Iterate through every block and check the name.
-  for (var i = 0; i < blocks.length; i++) {
-    if (blocks[i].getProcedureCall) {
-      var procedureBlock = /** @type {!Blockly.Procedures.ProcedureBlock} */ (
-        blocks[i]);
-      var procName = procedureBlock.getProcedureCall();
-      // Procedure name may be null if the block is only half-built.
-      if (procName && Blockly.Names.equals(procName, name)) {
-        callers.push(blocks[i]);
-      }
-    }
-  }
-  return callers;
-};
-
-/**
- * When a procedure definition changes its parameters, find and edit all its
- * callers.
- * @param {!Blockly.Block} defBlock Procedure definition block.
- */
-Blockly.Procedures.mutateCallers = function(defBlock) {
-  var oldRecordUndo = Blockly.Events.recordUndo;
-  var procedureBlock = /** @type {!Blockly.Procedures.ProcedureBlock} */ (
-    defBlock);
-  var name = procedureBlock.getProcedureDef()[0];
-  var xmlElement = defBlock.mutationToDom(true);
-  var callers = Blockly.Procedures.getCallers(name, defBlock.workspace);
-  for (var i = 0, caller; (caller = callers[i]); i++) {
-    var oldMutationDom = caller.mutationToDom();
-    var oldMutation = oldMutationDom && Blockly.Xml.domToText(oldMutationDom);
-    caller.domToMutation(xmlElement);
-    var newMutationDom = caller.mutationToDom();
-    var newMutation = newMutationDom && Blockly.Xml.domToText(newMutationDom);
-    if (oldMutation != newMutation) {
-      // Fire a mutation on every caller block.  But don't record this as an
-      // undo action since it is deterministically tied to the procedure's
-      // definition mutation.
-      Blockly.Events.recordUndo = false;
-      Blockly.Events.fire(new Blockly.Events.BlockChange(
-          caller, 'mutation', null, oldMutation, newMutation));
-      Blockly.Events.recordUndo = oldRecordUndo;
-    }
-  }
-};
-
-/**
- * Find the definition block for the named procedure.
- * @param {string} name Name of procedure.
- * @param {!Blockly.Workspace} workspace The workspace to search.
- * @return {Blockly.Block} The procedure definition block, or null not found.
- */
-Blockly.Procedures.getDefinition = function(name, workspace) {
-  // Assume that a procedure definition is a top block.
-  var blocks = workspace.getTopBlocks(false);
-  for (var i = 0; i < blocks.length; i++) {
-    if (blocks[i].getProcedureDef) {
-      var procedureBlock = /** @type {!Blockly.Procedures.ProcedureBlock} */ (
-        blocks[i]);
-      var tuple = procedureBlock.getProcedureDef();
-      if (tuple && Blockly.Names.equals(tuple[0], name)) {
-        return blocks[i];
-      }
-    }
-  }
-  return null;
-};
diff --git a/core/procedures.ts b/core/procedures.ts
new file mode 100644
index 00000000000..680abb8afd2
--- /dev/null
+++ b/core/procedures.ts
@@ -0,0 +1,510 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Procedures
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_block_change.js';
+
+import type {Block} from './block.js';
+import type {BlockSvg} from './block_svg.js';
+import {Blocks} from './blocks.js';
+import * as common from './common.js';
+import type {Abstract} from './events/events_abstract.js';
+import type {BubbleOpen} from './events/events_bubble_open.js';
+import * as eventUtils from './events/utils.js';
+import {Field, UnattachedFieldError} from './field.js';
+import {Msg} from './msg.js';
+import {Names} from './names.js';
+import {IParameterModel} from './interfaces/i_parameter_model.js';
+import {IProcedureMap} from './interfaces/i_procedure_map.js';
+import {IProcedureModel} from './interfaces/i_procedure_model.js';
+import {
+  IProcedureBlock,
+  isProcedureBlock,
+} from './interfaces/i_procedure_block.js';
+import {
+  isLegacyProcedureCallBlock,
+  isLegacyProcedureDefBlock,
+  ProcedureBlock,
+  ProcedureTuple,
+} from './interfaces/i_legacy_procedure_blocks.js';
+import {ObservableProcedureMap} from './observable_procedure_map.js';
+import * as utilsXml from './utils/xml.js';
+import * as Variables from './variables.js';
+import type {Workspace} from './workspace.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+import {MutatorIcon} from './icons.js';
+
+/**
+ * String for use in the "custom" attribute of a category in toolbox XML.
+ * This string indicates that the category should be dynamically populated with
+ * procedure blocks.
+ * See also Blockly.Variables.CATEGORY_NAME and
+ * Blockly.VariablesDynamic.CATEGORY_NAME.
+ */
+export const CATEGORY_NAME = 'PROCEDURE';
+
+/**
+ * The default argument for a procedures_mutatorarg block.
+ */
+export const DEFAULT_ARG = 'x';
+
+/**
+ * Find all user-created procedure definitions in a workspace.
+ *
+ * @param root Root workspace.
+ * @returns Pair of arrays, the first contains procedures without return
+ *     variables, the second with. Each procedure is defined by a three-element
+ *     list of name, parameter list, and return value boolean.
+ */
+export function allProcedures(
+  root: Workspace,
+): [ProcedureTuple[], ProcedureTuple[]] {
+  const proceduresNoReturn: ProcedureTuple[] = root
+    .getProcedureMap()
+    .getProcedures()
+    .filter((p) => !p.getReturnTypes())
+    .map((p) => [
+      p.getName(),
+      p.getParameters().map((pa) => pa.getName()),
+      false,
+    ]);
+  root.getBlocksByType('procedures_defnoreturn', false).forEach((b) => {
+    if (!isProcedureBlock(b) && isLegacyProcedureDefBlock(b)) {
+      proceduresNoReturn.push(b.getProcedureDef());
+    }
+  });
+
+  const proceduresReturn: ProcedureTuple[] = root
+    .getProcedureMap()
+    .getProcedures()
+    .filter((p) => !!p.getReturnTypes())
+    .map((p) => [
+      p.getName(),
+      p.getParameters().map((pa) => pa.getName()),
+      true,
+    ]);
+  root.getBlocksByType('procedures_defreturn', false).forEach((b) => {
+    if (!isProcedureBlock(b) && isLegacyProcedureDefBlock(b)) {
+      proceduresReturn.push(b.getProcedureDef());
+    }
+  });
+  proceduresNoReturn.sort(procTupleComparator);
+  proceduresReturn.sort(procTupleComparator);
+  return [proceduresNoReturn, proceduresReturn];
+}
+
+/**
+ * Comparison function for case-insensitive sorting of the first element of
+ * a tuple.
+ *
+ * @param ta First tuple.
+ * @param tb Second tuple.
+ * @returns -1, 0, or 1 to signify greater than, equality, or less than.
+ */
+function procTupleComparator(ta: ProcedureTuple, tb: ProcedureTuple): number {
+  return ta[0].localeCompare(tb[0], undefined, {sensitivity: 'base'});
+}
+
+/**
+ * Ensure two identically-named procedures don't exist.
+ * Take the proposed procedure name, and return a legal name i.e. one that
+ * is not empty and doesn't collide with other procedures.
+ *
+ * @param name Proposed procedure name.
+ * @param block Block to disambiguate.
+ * @returns Non-colliding name.
+ */
+export function findLegalName(name: string, block: Block): string {
+  if (block.isInFlyout) {
+    // Flyouts can have multiple procedures called 'do something'.
+    return name;
+  }
+  name = name || Msg['UNNAMED_KEY'] || 'unnamed';
+  while (!isLegalName(name, block.workspace, block)) {
+    // Collision with another procedure.
+    const r = name.match(/^(.*?)(\d+)$/);
+    if (!r) {
+      name += '2';
+    } else {
+      name = r[1] + (parseInt(r[2]) + 1);
+    }
+  }
+  return name;
+}
+/**
+ * Does this procedure have a legal name?  Illegal names include names of
+ * procedures already defined.
+ *
+ * @param name The questionable name.
+ * @param workspace The workspace to scan for collisions.
+ * @param opt_exclude Optional block to exclude from comparisons (one doesn't
+ *     want to collide with oneself).
+ * @returns True if the name is legal.
+ */
+function isLegalName(
+  name: string,
+  workspace: Workspace,
+  opt_exclude?: Block,
+): boolean {
+  return !isNameUsed(name, workspace, opt_exclude);
+}
+
+/**
+ * Return if the given name is already a procedure name.
+ *
+ * @param name The questionable name.
+ * @param workspace The workspace to scan for collisions.
+ * @param opt_exclude Optional block to exclude from comparisons (one doesn't
+ *     want to collide with oneself).
+ * @returns True if the name is used, otherwise return false.
+ */
+export function isNameUsed(
+  name: string,
+  workspace: Workspace,
+  opt_exclude?: Block,
+): boolean {
+  for (const block of workspace.getAllBlocks(false)) {
+    if (block === opt_exclude) continue;
+
+    if (
+      isLegacyProcedureDefBlock(block) &&
+      Names.equals(block.getProcedureDef()[0], name)
+    ) {
+      return true;
+    }
+  }
+
+  const excludeModel =
+    opt_exclude && isProcedureBlock(opt_exclude)
+      ? opt_exclude?.getProcedureModel()
+      : undefined;
+  for (const model of workspace.getProcedureMap().getProcedures()) {
+    if (model === excludeModel) continue;
+    if (Names.equals(model.getName(), name)) return true;
+  }
+  return false;
+}
+
+/**
+ * Rename a procedure.  Called by the editable field.
+ *
+ * @param name The proposed new name.
+ * @returns The accepted name.
+ */
+export function rename(this: Field, name: string): string {
+  const block = this.getSourceBlock();
+  if (!block) {
+    throw new UnattachedFieldError();
+  }
+
+  // Strip leading and trailing whitespace.  Beyond this, all names are legal.
+  name = name.trim();
+
+  const legalName = findLegalName(name, block);
+  if (isProcedureBlock(block) && !block.isInsertionMarker()) {
+    block.getProcedureModel().setName(legalName);
+  }
+  const oldName = this.getValue();
+  if (oldName !== name && oldName !== legalName) {
+    // Rename any callers.
+    const blocks = block.workspace.getAllBlocks(false);
+    for (let i = 0; i < blocks.length; i++) {
+      // Assume it is a procedure so we can check.
+      const procedureBlock = blocks[i] as unknown as ProcedureBlock;
+      if (procedureBlock.renameProcedure) {
+        procedureBlock.renameProcedure(oldName as string, legalName);
+      }
+    }
+  }
+  return legalName;
+}
+
+/**
+ * Construct the blocks required by the flyout for the procedure category.
+ *
+ * @param workspace The workspace containing procedures.
+ * @returns Array of XML block elements.
+ */
+export function flyoutCategory(workspace: WorkspaceSvg): Element[] {
+  const xmlList = [];
+  if (Blocks['procedures_defnoreturn']) {
+    // <block type="procedures_defnoreturn" gap="16">
+    //     <field name="NAME">do something</field>
+    // </block>
+    const block = utilsXml.createElement('block');
+    block.setAttribute('type', 'procedures_defnoreturn');
+    block.setAttribute('gap', '16');
+    const nameField = utilsXml.createElement('field');
+    nameField.setAttribute('name', 'NAME');
+    nameField.appendChild(
+      utilsXml.createTextNode(Msg['PROCEDURES_DEFNORETURN_PROCEDURE']),
+    );
+    block.appendChild(nameField);
+    xmlList.push(block);
+  }
+  if (Blocks['procedures_defreturn']) {
+    // <block type="procedures_defreturn" gap="16">
+    //     <field name="NAME">do something</field>
+    // </block>
+    const block = utilsXml.createElement('block');
+    block.setAttribute('type', 'procedures_defreturn');
+    block.setAttribute('gap', '16');
+    const nameField = utilsXml.createElement('field');
+    nameField.setAttribute('name', 'NAME');
+    nameField.appendChild(
+      utilsXml.createTextNode(Msg['PROCEDURES_DEFRETURN_PROCEDURE']),
+    );
+    block.appendChild(nameField);
+    xmlList.push(block);
+  }
+  if (Blocks['procedures_ifreturn']) {
+    // <block type="procedures_ifreturn" gap="16"></block>
+    const block = utilsXml.createElement('block');
+    block.setAttribute('type', 'procedures_ifreturn');
+    block.setAttribute('gap', '16');
+    xmlList.push(block);
+  }
+  if (xmlList.length) {
+    // Add slightly larger gap between system blocks and user calls.
+    xmlList[xmlList.length - 1].setAttribute('gap', '24');
+  }
+
+  /**
+   * Add items to xmlList for each listed procedure.
+   *
+   * @param procedureList A list of procedures, each of which is defined by a
+   *     three-element list of name, parameter list, and return value boolean.
+   * @param templateName The type of the block to generate.
+   */
+  function populateProcedures(
+    procedureList: ProcedureTuple[],
+    templateName: string,
+  ) {
+    for (let i = 0; i < procedureList.length; i++) {
+      const name = procedureList[i][0];
+      const args = procedureList[i][1];
+      // <block type="procedures_callnoreturn" gap="16">
+      //   <mutation name="do something">
+      //     <arg name="x"></arg>
+      //   </mutation>
+      // </block>
+      const block = utilsXml.createElement('block');
+      block.setAttribute('type', templateName);
+      block.setAttribute('gap', '16');
+      const mutation = utilsXml.createElement('mutation');
+      mutation.setAttribute('name', name);
+      block.appendChild(mutation);
+      for (let j = 0; j < args.length; j++) {
+        const arg = utilsXml.createElement('arg');
+        arg.setAttribute('name', args[j]);
+        mutation.appendChild(arg);
+      }
+      xmlList.push(block);
+    }
+  }
+
+  const tuple = allProcedures(workspace);
+  populateProcedures(tuple[0], 'procedures_callnoreturn');
+  populateProcedures(tuple[1], 'procedures_callreturn');
+  return xmlList;
+}
+
+/**
+ * Updates the procedure mutator's flyout so that the arg block is not a
+ * duplicate of another arg.
+ *
+ * @param workspace The procedure mutator's workspace. This workspace's flyout
+ *     is what is being updated.
+ */
+function updateMutatorFlyout(workspace: WorkspaceSvg) {
+  const usedNames = [];
+  const blocks = workspace.getBlocksByType('procedures_mutatorarg', false);
+  for (let i = 0, block; (block = blocks[i]); i++) {
+    usedNames.push(block.getFieldValue('NAME'));
+  }
+
+  const xmlElement = utilsXml.createElement('xml');
+  const argBlock = utilsXml.createElement('block');
+  argBlock.setAttribute('type', 'procedures_mutatorarg');
+  const nameField = utilsXml.createElement('field');
+  nameField.setAttribute('name', 'NAME');
+  const argValue = Variables.generateUniqueNameFromOptions(
+    DEFAULT_ARG,
+    usedNames,
+  );
+  const fieldContent = utilsXml.createTextNode(argValue);
+
+  nameField.appendChild(fieldContent);
+  argBlock.appendChild(nameField);
+  xmlElement.appendChild(argBlock);
+
+  workspace.updateToolbox(xmlElement);
+}
+
+/**
+ * Listens for when a procedure mutator is opened. Then it triggers a flyout
+ * update and adds a mutator change listener to the mutator workspace.
+ *
+ * @param e The event that triggered this listener.
+ * @internal
+ */
+export function mutatorOpenListener(e: Abstract) {
+  if (e.type !== eventUtils.BUBBLE_OPEN) {
+    return;
+  }
+  const bubbleEvent = e as BubbleOpen;
+  if (
+    !(bubbleEvent.bubbleType === 'mutator' && bubbleEvent.isOpen) ||
+    !bubbleEvent.blockId
+  ) {
+    return;
+  }
+  const workspaceId = bubbleEvent.workspaceId;
+  const block = common
+    .getWorkspaceById(workspaceId)!
+    .getBlockById(bubbleEvent.blockId) as BlockSvg;
+  const type = block.type;
+  if (type !== 'procedures_defnoreturn' && type !== 'procedures_defreturn') {
+    return;
+  }
+  const workspace = (
+    block.getIcon(MutatorIcon.TYPE) as MutatorIcon
+  ).getWorkspace()!;
+  updateMutatorFlyout(workspace);
+  workspace.addChangeListener(mutatorChangeListener);
+}
+/**
+ * Listens for changes in a procedure mutator and triggers flyout updates when
+ * necessary.
+ *
+ * @param e The event that triggered this listener.
+ */
+function mutatorChangeListener(e: Abstract) {
+  if (
+    e.type !== eventUtils.BLOCK_CREATE &&
+    e.type !== eventUtils.BLOCK_DELETE &&
+    e.type !== eventUtils.BLOCK_CHANGE &&
+    e.type !== eventUtils.BLOCK_FIELD_INTERMEDIATE_CHANGE
+  ) {
+    return;
+  }
+  const workspaceId = e.workspaceId as string;
+  const workspace = common.getWorkspaceById(workspaceId) as WorkspaceSvg;
+  updateMutatorFlyout(workspace);
+}
+
+/**
+ * Find all the callers of a named procedure.
+ *
+ * @param name Name of procedure.
+ * @param workspace The workspace to find callers in.
+ * @returns Array of caller blocks.
+ */
+export function getCallers(name: string, workspace: Workspace): Block[] {
+  return workspace.getAllBlocks(false).filter((block) => {
+    return (
+      blockIsModernCallerFor(block, name) ||
+      (isLegacyProcedureCallBlock(block) &&
+        Names.equals(block.getProcedureCall(), name))
+    );
+  });
+}
+
+/**
+ * @returns True if the given block is a modern-style caller block of the given
+ *     procedure name.
+ */
+function blockIsModernCallerFor(block: Block, procName: string): boolean {
+  return (
+    isProcedureBlock(block) &&
+    !block.isProcedureDef() &&
+    block.getProcedureModel() &&
+    Names.equals(block.getProcedureModel().getName(), procName)
+  );
+}
+
+/**
+ * When a procedure definition changes its parameters, find and edit all its
+ * callers.
+ *
+ * @param defBlock Procedure definition block.
+ */
+export function mutateCallers(defBlock: Block) {
+  const oldRecordUndo = eventUtils.getRecordUndo();
+  const procedureBlock = defBlock as unknown as ProcedureBlock;
+  const name = procedureBlock.getProcedureDef()[0];
+  const xmlElement = defBlock.mutationToDom!(true);
+  const callers = getCallers(name, defBlock.workspace);
+  for (let i = 0, caller; (caller = callers[i]); i++) {
+    const oldMutationDom = caller.mutationToDom!();
+    const oldMutation = oldMutationDom && utilsXml.domToText(oldMutationDom);
+    if (caller.domToMutation) {
+      caller.domToMutation(xmlElement);
+    }
+    const newMutationDom = caller.mutationToDom!();
+    const newMutation = newMutationDom && utilsXml.domToText(newMutationDom);
+    if (oldMutation !== newMutation) {
+      // Fire a mutation on every caller block.  But don't record this as an
+      // undo action since it is deterministically tied to the procedure's
+      // definition mutation.
+      eventUtils.setRecordUndo(false);
+      eventUtils.fire(
+        new (eventUtils.get(eventUtils.BLOCK_CHANGE))(
+          caller,
+          'mutation',
+          null,
+          oldMutation,
+          newMutation,
+        ),
+      );
+      eventUtils.setRecordUndo(oldRecordUndo);
+    }
+  }
+}
+
+/**
+ * Find the definition block for the named procedure.
+ *
+ * @param name Name of procedure.
+ * @param workspace The workspace to search.
+ * @returns The procedure definition block, or null not found.
+ */
+export function getDefinition(
+  name: string,
+  workspace: Workspace,
+): Block | null {
+  // Do not assume procedure is a top block. Some languages allow nested
+  // procedures. Also do not assume it is one of the built-in blocks. Only
+  // rely on isProcedureDef and getProcedureDef.
+  for (const block of workspace.getAllBlocks(false)) {
+    if (
+      isProcedureBlock(block) &&
+      block.isProcedureDef() &&
+      Names.equals(block.getProcedureModel().getName(), name)
+    ) {
+      return block;
+    }
+    if (
+      isLegacyProcedureDefBlock(block) &&
+      Names.equals(block.getProcedureDef()[0], name)
+    ) {
+      return block;
+    }
+  }
+  return null;
+}
+
+export {
+  ObservableProcedureMap,
+  IParameterModel,
+  IProcedureBlock,
+  isProcedureBlock,
+  IProcedureMap,
+  IProcedureModel,
+  ProcedureTuple,
+};
diff --git a/core/registry.js b/core/registry.js
deleted file mode 100644
index 19b619efbf6..00000000000
--- a/core/registry.js
+++ /dev/null
@@ -1,265 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview This file is a universal registry that provides generic methods
- *    for registering and unregistering different types of classes.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-'use strict';
-
-goog.provide('Blockly.registry');
-
-goog.requireType('Blockly.blockRendering.Renderer');
-goog.requireType('Blockly.Events.Abstract');
-goog.requireType('Blockly.Field');
-goog.requireType('Blockly.IConnectionChecker');
-goog.requireType('Blockly.IFlyout');
-goog.requireType('Blockly.IToolbox');
-goog.requireType('Blockly.Theme');
-
-
-/**
- * A map of maps. With the keys being the type and name of the class we are
- * registering and the value being the constructor function.
- * e.g. {'field': {'field_angle': Blockly.FieldAngle}}
- *
- * @type {Object<string, Object<string, function(new:?)>>}
- */
-Blockly.registry.typeMap_ = {};
-
-/**
- * The string used to register the default class for a type of plugin.
- * @type {string}
- */
-Blockly.registry.DEFAULT = 'default';
-
-/**
- * A name with the type of the element stored in the generic.
- * @param {string} name The name of the registry type.
- * @constructor
- * @template T
- */
-Blockly.registry.Type = function(name) {
-  /**
-   * @type {string}
-   * @private
-   */
-  this.name_ = name;
-};
-
-/**
- * Returns the name of the type.
- * @return {string} The name.
- * @override
- */
-Blockly.registry.Type.prototype.toString = function() {
-  return this.name_;
-};
-
-/** @type {!Blockly.registry.Type<Blockly.IConnectionChecker>} */
-Blockly.registry.Type.CONNECTION_CHECKER =
-    new Blockly.registry.Type('connectionChecker');
-
-/** @type {!Blockly.registry.Type<Blockly.Events.Abstract>} */
-Blockly.registry.Type.EVENT = new Blockly.registry.Type('event');
-
-/** @type {!Blockly.registry.Type<Blockly.Field>} */
-Blockly.registry.Type.FIELD = new Blockly.registry.Type('field');
-
-/** @type {!Blockly.registry.Type<Blockly.blockRendering.Renderer>} */
-Blockly.registry.Type.RENDERER = new Blockly.registry.Type('renderer');
-
-/** @type {!Blockly.registry.Type<Blockly.IToolbox>} */
-Blockly.registry.Type.TOOLBOX = new Blockly.registry.Type('toolbox');
-
-/** @type {!Blockly.registry.Type<Blockly.Theme>} */
-Blockly.registry.Type.THEME = new Blockly.registry.Type('theme');
-
-/** @type {!Blockly.registry.Type<Blockly.ToolboxItem>} */
-Blockly.registry.Type.TOOLBOX_ITEM = new Blockly.registry.Type('toolboxItem');
-
-/** @type {!Blockly.registry.Type<Blockly.IFlyout>} */
-Blockly.registry.Type.FLYOUTS_VERTICAL_TOOLBOX =
-    new Blockly.registry.Type('flyoutsVerticalToolbox');
-
-/** @type {!Blockly.registry.Type<Blockly.IFlyout>} */
-Blockly.registry.Type.FLYOUTS_HORIZONTAL_TOOLBOX =
-    new Blockly.registry.Type('flyoutsHorizontalToolbox');
-
-/**
- * Registers a class based on a type and name.
- * @param {string|!Blockly.registry.Type<T>} type The type of the plugin.
- *     (e.g. Field, Renderer)
- * @param {string} name The plugin's name. (Ex. field_angle, geras)
- * @param {?function(new:T, ...?)|Object} registryItem The class or object to
- *     register.
- * @param {boolean=} opt_quiet True to prevent an error when overriding an
- *     already registered item.
- * @throws {Error} if the type or name is empty, a name with the given type has
- *     already been registered, or if the given class or object is not valid for it's type.
- * @template T
- */
-Blockly.registry.register = function(type, name, registryItem, opt_quiet) {
-  if ((!(type instanceof Blockly.registry.Type) && typeof type != 'string') || String(type).trim() == '') {
-    throw Error('Invalid type "' + type + '". The type must be a' +
-      ' non-empty string or a Blockly.registry.Type.');
-  }
-  type = String(type).toLowerCase();
-
-  if ((typeof name != 'string') || (name.trim() == '')) {
-    throw Error('Invalid name "' + name + '". The name must be a' +
-      ' non-empty string.');
-  }
-  name = name.toLowerCase();
-  if (!registryItem) {
-    throw Error('Can not register a null value');
-  }
-  var typeRegistry = Blockly.registry.typeMap_[type];
-  // If the type registry has not been created, create it.
-  if (!typeRegistry) {
-    typeRegistry = Blockly.registry.typeMap_[type] = {};
-  }
-
-  // Validate that the given class has all the required properties.
-  Blockly.registry.validate_(type, registryItem);
-
-  // Don't throw an error if opt_quiet is true.
-  if (!opt_quiet && typeRegistry[name]) {
-    throw Error('Name "' + name + '" with type "' + type + '" already registered.');
-  }
-  typeRegistry[name] = registryItem;
-};
-
-/**
- * Checks the given registry item for properties that are required based on the
- * type.
- * @param {string} type The type of the plugin. (e.g. Field, Renderer)
- * @param {Function|Object} registryItem A class or object that we are checking
- *     for the required properties.
- * @private
- */
-Blockly.registry.validate_ = function(type, registryItem) {
-  switch (type) {
-    case String(Blockly.registry.Type.FIELD):
-      if (typeof registryItem.fromJson != 'function') {
-        throw Error('Type "' + type + '" must have a fromJson function');
-      }
-      break;
-  }
-};
-
-/**
- * Unregisters the registry item with the given type and name.
- * @param {string|!Blockly.registry.Type<T>} type The type of the plugin.
- *     (e.g. Field, Renderer)
- * @param {string} name The plugin's name. (Ex. field_angle, geras)
- * @template T
- */
-Blockly.registry.unregister = function(type, name) {
-  type = String(type).toLowerCase();
-  name = name.toLowerCase();
-  var typeRegistry = Blockly.registry.typeMap_[type];
-  if (!typeRegistry) {
-    console.warn('No type "' + type + '" found');
-    return;
-  }
-  if (!typeRegistry[name]) {
-    console.warn('No name "' + name + '" with type "' + type + '" found');
-    return;
-  }
-  delete Blockly.registry.typeMap_[type][name];
-};
-
-/**
- * Gets the registry item for the given name and type. This can be either a
- * class or an object.
- * @param {string|!Blockly.registry.Type<T>} type The type of the plugin.
- *     (e.g. Field, Renderer)
- * @param {string} name The plugin's name. (Ex. field_angle, geras)
- * @return {?function(new:T, ...?)|Object} The class or object with the given
- *     name and type or null if none exists.
- * @template T
- */
-Blockly.registry.getItem_ = function(type, name) {
-  type = String(type).toLowerCase();
-  name = name.toLowerCase();
-  var typeRegistry = Blockly.registry.typeMap_[type];
-  if (!typeRegistry) {
-    console.warn('No type "' + type + '" found');
-    return null;
-  }
-  if (!typeRegistry[name]) {
-    console.warn('No name "' + name + '" with type "' + type + '" found');
-    return null;
-  }
-  return typeRegistry[name];
-};
-
-/**
- * Returns whether or not the registry contains an item with the given type and
- * name.
- * @param {string|!Blockly.registry.Type<T>} type The type of the plugin.
- *     (e.g. Field, Renderer)
- * @param {string} name The plugin's name. (Ex. field_angle, geras)
- * @return {boolean} True if the registry has an item with the given type and
- *     name, false otherwise.
- * @template T
- */
-Blockly.registry.hasItem = function(type, name) {
-  type = String(type).toLowerCase();
-  name = name.toLowerCase();
-  var typeRegistry = Blockly.registry.typeMap_[type];
-  if (!typeRegistry) {
-    return false;
-  }
-  return !!(typeRegistry[name]);
-};
-
-/**
- * Gets the class for the given name and type.
- * @param {string|!Blockly.registry.Type<T>} type The type of the plugin.
- *     (e.g. Field, Renderer)
- * @param {string} name The plugin's name. (Ex. field_angle, geras)
- * @return {?function(new:T, ...?)} The class with the given name and type or
- *     null if none exists.
- * @template T
- */
-Blockly.registry.getClass = function(type, name) {
-  return /** @type {?function(new:T, ...?)} */ (Blockly.registry.getItem_(type, name));
-};
-
-/**
- * Gets the object for the given name and type.
- * @param {string|!Blockly.registry.Type<T>} type The type of the plugin.
- *     (e.g. Category)
- * @param {string} name The plugin's name. (Ex. logic_category)
- * @returns {T} The object with the given name and type or null if none exists.
- * @template T
- */
-Blockly.registry.getObject = function(type, name) {
-  return /** @type {T} */ (Blockly.registry.getItem_(type, name));
-};
-
-/**
- * Gets the class from Blockly options for the given type.
- * This is used for plugins that override a built in feature. (e.g. Toolbox)
- * @param {!Blockly.registry.Type<T>} type The type of the plugin.
- * @param {!Blockly.Options} options The option object to check for the given
- *     plugin.
- * @return {?function(new:T, ...?)} The class for the plugin.
- * @template T
- */
-Blockly.registry.getClassFromOptions = function(type, options) {
-  var typeName = type.toString();
-  var plugin = options.plugins[typeName] || Blockly.registry.DEFAULT;
-
-  // If the user passed in a plugin class instead of a registered plugin name.
-  if (typeof plugin == 'function') {
-    return plugin;
-  }
-  return Blockly.registry.getClass(type, plugin);
-};
diff --git a/core/registry.ts b/core/registry.ts
new file mode 100644
index 00000000000..d46c36f4819
--- /dev/null
+++ b/core/registry.ts
@@ -0,0 +1,383 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.registry
+
+import type {Abstract} from './events/events_abstract.js';
+import type {Field} from './field.js';
+import type {IConnectionChecker} from './interfaces/i_connection_checker.js';
+import type {IFlyout} from './interfaces/i_flyout.js';
+import type {IMetricsManager} from './interfaces/i_metrics_manager.js';
+import type {IIcon} from './interfaces/i_icon.js';
+import type {Input} from './inputs/input.js';
+import type {ISerializer} from './interfaces/i_serializer.js';
+import type {IToolbox} from './interfaces/i_toolbox.js';
+import type {Cursor} from './keyboard_nav/cursor.js';
+import type {Options} from './options.js';
+import type {Renderer} from './renderers/common/renderer.js';
+import type {Theme} from './theme.js';
+import type {ToolboxItem} from './toolbox/toolbox_item.js';
+import type {IPaster} from './interfaces/i_paster.js';
+import type {ICopyData, ICopyable} from './interfaces/i_copyable.js';
+import type {IConnectionPreviewer} from './interfaces/i_connection_previewer.js';
+import type {IDragger} from './interfaces/i_dragger.js';
+
+/**
+ * A map of maps. With the keys being the type and name of the class we are
+ * registering and the value being the constructor function.
+ * e.g. {'field': {'field_angle': Blockly.FieldAngle}}
+ */
+const typeMap: {
+  [key: string]: {
+    [key: string]: (new () => AnyDuringMigration) | AnyDuringMigration;
+  };
+} = Object.create(null);
+export const TEST_ONLY = {typeMap};
+
+/**
+ * A map of maps. With the keys being the type and caseless name of the class we
+ * are registring, and the value being the most recent cased name for that
+ * registration.
+ */
+const nameMap: {[key: string]: {[key: string]: string}} = Object.create(null);
+
+/**
+ * The string used to register the default class for a type of plugin.
+ */
+export const DEFAULT = 'default';
+
+/**
+ * A name with the type of the element stored in the generic.
+ */
+export class Type<_T> {
+  /** @param name The name of the registry type. */
+  constructor(private readonly name: string) {}
+
+  /**
+   * Returns the name of the type.
+   *
+   * @returns The name.
+   */
+  toString(): string {
+    return this.name;
+  }
+
+  static CONNECTION_CHECKER = new Type<IConnectionChecker>('connectionChecker');
+
+  static CONNECTION_PREVIEWER = new Type<IConnectionPreviewer>(
+    'connectionPreviewer',
+  );
+
+  static CURSOR = new Type<Cursor>('cursor');
+
+  static EVENT = new Type<Abstract>('event');
+
+  static FIELD = new Type<Field>('field');
+
+  static INPUT = new Type<Input>('input');
+
+  static RENDERER = new Type<Renderer>('renderer');
+
+  static TOOLBOX = new Type<IToolbox>('toolbox');
+
+  static THEME = new Type<Theme>('theme');
+
+  static TOOLBOX_ITEM = new Type<ToolboxItem>('toolboxItem');
+
+  static FLYOUTS_VERTICAL_TOOLBOX = new Type<IFlyout>('flyoutsVerticalToolbox');
+
+  static FLYOUTS_HORIZONTAL_TOOLBOX = new Type<IFlyout>(
+    'flyoutsHorizontalToolbox',
+  );
+
+  static METRICS_MANAGER = new Type<IMetricsManager>('metricsManager');
+
+  /**
+   * Type for an IDragger. Formerly behavior was mostly covered by
+   * BlockDraggeers, which is why the name is inaccurate.
+   */
+  static BLOCK_DRAGGER = new Type<IDragger>('blockDragger');
+
+  /** @internal */
+  static SERIALIZER = new Type<ISerializer>('serializer');
+
+  /** @internal */
+  static ICON = new Type<IIcon>('icon');
+
+  /** @internal */
+  static PASTER = new Type<IPaster<ICopyData, ICopyable<ICopyData>>>('paster');
+}
+
+/**
+ * Registers a class based on a type and name.
+ *
+ * @param type The type of the plugin.
+ *     (e.g. Field, Renderer)
+ * @param name The plugin's name. (Ex. field_angle, geras)
+ * @param registryItem The class or object to register.
+ * @param opt_allowOverrides True to prevent an error when overriding an already
+ *     registered item.
+ * @throws {Error} if the type or name is empty, a name with the given type has
+ *     already been registered, or if the given class or object is not valid for
+ *     its type.
+ */
+export function register<T>(
+  type: string | Type<T>,
+  name: string,
+  registryItem:
+    | (new (...p1: AnyDuringMigration[]) => T)
+    | null
+    | AnyDuringMigration,
+  opt_allowOverrides?: boolean,
+): void {
+  if (
+    (!(type instanceof Type) && typeof type !== 'string') ||
+    `${type}`.trim() === ''
+  ) {
+    throw Error(
+      'Invalid type "' +
+        type +
+        '". The type must be a' +
+        ' non-empty string or a Blockly.registry.Type.',
+    );
+  }
+  type = `${type}`.toLowerCase();
+
+  if (typeof name !== 'string' || name.trim() === '') {
+    throw Error(
+      'Invalid name "' + name + '". The name must be a' + ' non-empty string.',
+    );
+  }
+  const caselessName = name.toLowerCase();
+  if (!registryItem) {
+    throw Error('Can not register a null value');
+  }
+  let typeRegistry = typeMap[type];
+  let nameRegistry = nameMap[type];
+  // If the type registry has not been created, create it.
+  if (!typeRegistry) {
+    typeRegistry = typeMap[type] = Object.create(null);
+    nameRegistry = nameMap[type] = Object.create(null);
+  }
+
+  // Validate that the given class has all the required properties.
+  validate(type, registryItem);
+
+  // Don't throw an error if opt_allowOverrides is true,
+  // or if we're trying to register the same item.
+  if (
+    !opt_allowOverrides &&
+    typeRegistry[caselessName] &&
+    typeRegistry[caselessName] !== registryItem
+  ) {
+    throw Error(
+      'Name "' +
+        caselessName +
+        '" with type "' +
+        type +
+        '" already registered.',
+    );
+  }
+  typeRegistry[caselessName] = registryItem;
+  nameRegistry[caselessName] = name;
+}
+
+/**
+ * Checks the given registry item for properties that are required based on the
+ * type.
+ *
+ * @param type The type of the plugin. (e.g. Field, Renderer)
+ * @param registryItem A class or object that we are checking for the required
+ *     properties.
+ */
+function validate(type: string, registryItem: Function | AnyDuringMigration) {
+  switch (type) {
+    case String(Type.FIELD):
+      if (typeof registryItem.fromJson !== 'function') {
+        throw Error('Type "' + type + '" must have a fromJson function');
+      }
+      break;
+  }
+}
+
+/**
+ * Unregisters the registry item with the given type and name.
+ *
+ * @param type The type of the plugin.
+ *     (e.g. Field, Renderer)
+ * @param name The plugin's name. (Ex. field_angle, geras)
+ */
+export function unregister<T>(type: string | Type<T>, name: string) {
+  type = `${type}`.toLowerCase();
+  name = name.toLowerCase();
+  const typeRegistry = typeMap[type];
+  if (!typeRegistry || !typeRegistry[name]) {
+    console.warn(
+      'Unable to unregister [' +
+        name +
+        '][' +
+        type +
+        '] from the ' +
+        'registry.',
+    );
+    return;
+  }
+  delete typeMap[type][name];
+  delete nameMap[type][name];
+}
+
+/**
+ * Gets the registry item for the given name and type. This can be either a
+ * class or an object.
+ *
+ * @param type The type of the plugin.
+ *     (e.g. Field, Renderer)
+ * @param name The plugin's name. (Ex. field_angle, geras)
+ * @param opt_throwIfMissing Whether or not to throw an error if we are unable
+ *     to find the plugin.
+ * @returns The class or object with the given name and type or null if none
+ *     exists.
+ */
+function getItem<T>(
+  type: string | Type<T>,
+  name: string,
+  opt_throwIfMissing?: boolean,
+): (new (...p1: AnyDuringMigration[]) => T) | null | AnyDuringMigration {
+  type = `${type}`.toLowerCase();
+  name = name.toLowerCase();
+  const typeRegistry = typeMap[type];
+  if (!typeRegistry || !typeRegistry[name]) {
+    const msg = 'Unable to find [' + name + '][' + type + '] in the registry.';
+    if (opt_throwIfMissing) {
+      throw new Error(
+        msg + ' You must require or register a ' + type + ' plugin.',
+      );
+    } else {
+      console.warn(msg);
+    }
+    return null;
+  }
+  return typeRegistry[name];
+}
+
+/**
+ * Returns whether or not the registry contains an item with the given type and
+ * name.
+ *
+ * @param type The type of the plugin.
+ *     (e.g. Field, Renderer)
+ * @param name The plugin's name. (Ex. field_angle, geras)
+ * @returns True if the registry has an item with the given type and name, false
+ *     otherwise.
+ */
+export function hasItem<T>(type: string | Type<T>, name: string): boolean {
+  type = `${type}`.toLowerCase();
+  name = name.toLowerCase();
+  const typeRegistry = typeMap[type];
+  if (!typeRegistry) {
+    return false;
+  }
+  return !!typeRegistry[name];
+}
+
+/**
+ * Gets the class for the given name and type.
+ *
+ * @param type The type of the plugin.
+ *     (e.g. Field, Renderer)
+ * @param name The plugin's name. (Ex. field_angle, geras)
+ * @param opt_throwIfMissing Whether or not to throw an error if we are unable
+ *     to find the plugin.
+ * @returns The class with the given name and type or null if none exists.
+ */
+export function getClass<T>(
+  type: string | Type<T>,
+  name: string,
+  opt_throwIfMissing?: boolean,
+): (new (...p1: AnyDuringMigration[]) => T) | null {
+  return getItem(type, name, opt_throwIfMissing) as
+    | (new (...p1: AnyDuringMigration[]) => T)
+    | null;
+}
+
+/**
+ * Gets the object for the given name and type.
+ *
+ * @param type The type of the plugin.
+ *     (e.g. Category)
+ * @param name The plugin's name. (Ex. logic_category)
+ * @param opt_throwIfMissing Whether or not to throw an error if we are unable
+ *     to find the object.
+ * @returns The object with the given name and type or null if none exists.
+ */
+export function getObject<T>(
+  type: string | Type<T>,
+  name: string,
+  opt_throwIfMissing?: boolean,
+): T | null {
+  return getItem(type, name, opt_throwIfMissing) as T;
+}
+
+/**
+ * Returns a map of items registered with the given type.
+ *
+ * @param type The type of the plugin. (e.g. Category)
+ * @param opt_cased Whether or not to return a map with cased keys (rather than
+ *     caseless keys). False by default.
+ * @param opt_throwIfMissing Whether or not to throw an error if we are unable
+ *     to find the object. False by default.
+ * @returns A map of objects with the given type, or null if none exists.
+ */
+export function getAllItems<T>(
+  type: string | Type<T>,
+  opt_cased?: boolean,
+  opt_throwIfMissing?: boolean,
+): {[key: string]: T | null | (new (...p1: AnyDuringMigration[]) => T)} | null {
+  type = `${type}`.toLowerCase();
+  const typeRegistry = typeMap[type];
+  if (!typeRegistry) {
+    const msg = `Unable to find [${type}] in the registry.`;
+    if (opt_throwIfMissing) {
+      throw new Error(`${msg} You must require or register a ${type} plugin.`);
+    } else {
+      console.warn(msg);
+    }
+    return null;
+  }
+  if (!opt_cased) {
+    return typeRegistry;
+  }
+  const nameRegistry = nameMap[type];
+  const casedRegistry = Object.create(null);
+  for (const key of Object.keys(typeRegistry)) {
+    casedRegistry[nameRegistry[key]] = typeRegistry[key];
+  }
+  return casedRegistry;
+}
+
+/**
+ * Gets the class from Blockly options for the given type.
+ * This is used for plugins that override a built in feature. (e.g. Toolbox)
+ *
+ * @param type The type of the plugin.
+ * @param options The option object to check for the given plugin.
+ * @param opt_throwIfMissing Whether or not to throw an error if we are unable
+ *     to find the plugin.
+ * @returns The class for the plugin.
+ */
+export function getClassFromOptions<T>(
+  type: Type<T>,
+  options: Options,
+  opt_throwIfMissing?: boolean,
+): (new (...p1: AnyDuringMigration[]) => T) | null {
+  const plugin = options.plugins[String(type)] || DEFAULT;
+
+  // If the user passed in a plugin class instead of a registered plugin name.
+  if (typeof plugin === 'function') {
+    return plugin;
+  }
+  return getClass(type, plugin, opt_throwIfMissing);
+}
diff --git a/core/render_management.ts b/core/render_management.ts
new file mode 100644
index 00000000000..3e84efead24
--- /dev/null
+++ b/core/render_management.ts
@@ -0,0 +1,193 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {BlockSvg} from './block_svg.js';
+import * as userAgent from './utils/useragent.js';
+import * as eventUtils from './events/utils.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/** The set of all blocks in need of rendering which don't have parents. */
+const rootBlocks = new Set<BlockSvg>();
+
+/** The set of all blocks in need of rendering. */
+const dirtyBlocks = new WeakSet<BlockSvg>();
+
+/** A map from queued blocks to the event group from when they were queued. */
+const eventGroups = new WeakMap<BlockSvg, string>();
+
+/**
+ * The promise which resolves after the current set of renders is completed. Or
+ * null if there are no queued renders.
+ *
+ * Stored so that we can return it from afterQueuedRenders.
+ */
+let afterRendersPromise: Promise<void> | null = null;
+
+/** The function to call to resolve the `afterRendersPromise`. */
+let afterRendersResolver: (() => void) | null = null;
+
+/**
+ * The ID of the current animation frame request. Used to cancel the request
+ * if necessary.
+ */
+let animationRequestId = 0;
+
+/**
+ * Registers that the given block and all of its parents need to be rerendered,
+ * and registers a callback to do so after a delay, to allowf or batching.
+ *
+ * @param block The block to rerender.
+ * @returns A promise that resolves after the currently queued renders have been
+ *     completed. Used for triggering other behavior that relies on updated
+ *     size/position location for the block.
+ * @internal
+ */
+export function queueRender(block: BlockSvg): Promise<void> {
+  queueBlock(block);
+
+  if (alwaysImmediatelyRender()) {
+    doRenders();
+    return Promise.resolve();
+  }
+
+  if (!afterRendersPromise) {
+    afterRendersPromise = new Promise((resolve) => {
+      afterRendersResolver = resolve;
+      animationRequestId = window.requestAnimationFrame(() => {
+        doRenders();
+        resolve();
+      });
+    });
+  }
+  return afterRendersPromise;
+}
+
+/**
+ * @returns A promise that resolves after the currently queued renders have
+ *     been completed.
+ */
+export function finishQueuedRenders(): Promise<void> {
+  // If there are no queued renders, return a resolved promise so `then`
+  // callbacks trigger immediately.
+  return afterRendersPromise ? afterRendersPromise : Promise.resolve();
+}
+
+/**
+ * Triggers an immediate render of all queued renders. Should only be used in
+ * cases where queueing renders breaks functionality + backwards compatibility
+ * (such as rendering icons).
+ *
+ * @param workspace If provided, only rerender blocks in this workspace.
+ *
+ * @internal
+ */
+export function triggerQueuedRenders(workspace?: WorkspaceSvg) {
+  if (!workspace) window.cancelAnimationFrame(animationRequestId);
+  doRenders(workspace);
+  if (!workspace && afterRendersResolver) afterRendersResolver();
+}
+
+/**
+ * @returns True if we should always trigger an immediate render.
+ *     Some platforms don't properly support `requestAnimationFrame`, so to
+ *     avoid glitchiness, we give up the performance improvements.
+ */
+function alwaysImmediatelyRender() {
+  return userAgent.JavaFx;
+}
+
+/**
+ * Adds the given block and its parents to the render queue. Adds the root block
+ * to the list of root blocks.
+ *
+ * @param block The block to queue.
+ */
+function queueBlock(block: BlockSvg) {
+  dirtyBlocks.add(block);
+  eventGroups.set(block, eventUtils.getGroup());
+  const parent = block.getParent();
+  if (parent) {
+    queueBlock(parent);
+  } else {
+    rootBlocks.add(block);
+  }
+}
+
+/**
+ * Rerenders all of the blocks in the queue.
+ *
+ * @param workspace If provided, only rerender blocks in this workspace.
+ */
+function doRenders(workspace?: WorkspaceSvg) {
+  const workspaces = workspace
+    ? new Set([workspace])
+    : new Set([...rootBlocks].map((block) => block.workspace));
+  const blocks = [...rootBlocks]
+    .filter(shouldRenderRootBlock)
+    .filter((b) => workspaces.has(b.workspace));
+  for (const block of blocks) {
+    renderBlock(block);
+  }
+  for (const workspace of workspaces) {
+    workspace.resizeContents();
+  }
+  for (const block of blocks) {
+    const blockOrigin = block.getRelativeToSurfaceXY();
+    block.updateComponentLocations(blockOrigin);
+  }
+  for (const block of blocks) {
+    const oldGroup = eventUtils.getGroup();
+    const newGroup = eventGroups.get(block);
+    if (newGroup) eventUtils.setGroup(newGroup);
+
+    block.bumpNeighbours();
+
+    eventUtils.setGroup(oldGroup);
+  }
+
+  for (const block of blocks) {
+    dequeueBlock(block);
+  }
+  if (!workspace) afterRendersPromise = null;
+}
+
+/** Removes the given block and children from the render queue. */
+function dequeueBlock(block: BlockSvg) {
+  rootBlocks.delete(block);
+  dirtyBlocks.delete(block);
+  eventGroups.delete(block);
+  for (const child of block.getChildren(false)) {
+    dequeueBlock(child);
+  }
+}
+
+/**
+ * Returns true if the block should be rendered.
+ *
+ * No need to render dead blocks.
+ *
+ * No need to render blocks with parents. A render for the block may have been
+ * queued, and the block was connected to a parent, so it is no longer a
+ * root block. Rendering will be triggered through the real root block.
+ */
+function shouldRenderRootBlock(block: BlockSvg): boolean {
+  return !block.isDisposed() && !block.getParent();
+}
+
+/**
+ * Recursively renders all of the dirty children of the given block, and
+ * then renders the block.
+ *
+ * @param block The block to rerender.
+ */
+function renderBlock(block: BlockSvg) {
+  if (!dirtyBlocks.has(block)) return;
+  if (!block.initialized) return;
+  for (const child of block.getChildren(false)) {
+    renderBlock(child);
+  }
+  block.renderEfficiently();
+}
diff --git a/core/rendered_connection.js b/core/rendered_connection.js
deleted file mode 100644
index 5188d55040a..00000000000
--- a/core/rendered_connection.js
+++ /dev/null
@@ -1,565 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Components for creating connections between blocks.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.RenderedConnection');
-
-goog.require('Blockly.Connection');
-goog.require('Blockly.Events');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.deprecation');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * Class for a connection between blocks that may be rendered on screen.
- * @param {!Blockly.BlockSvg} source The block establishing this connection.
- * @param {number} type The type of the connection.
- * @extends {Blockly.Connection}
- * @constructor
- */
-Blockly.RenderedConnection = function(source, type) {
-  Blockly.RenderedConnection.superClass_.constructor.call(this, source, type);
-
-  /**
-   * Connection database for connections of this type on the current workspace.
-   * @const {!Blockly.ConnectionDB}
-   * @private
-   */
-  this.db_ = source.workspace.connectionDBList[type];
-
-  /**
-   * Connection database for connections compatible with this type on the
-   * current workspace.
-   * @const {!Blockly.ConnectionDB}
-   * @private
-   */
-  this.dbOpposite_ = source.workspace
-      .connectionDBList[Blockly.OPPOSITE_TYPE[type]];
-
-  /**
-   * Workspace units, (0, 0) is top left of block.
-   * @type {!Blockly.utils.Coordinate}
-   * @private
-   */
-  this.offsetInBlock_ = new Blockly.utils.Coordinate(0, 0);
-
-  /**
-   * Describes the state of this connection's tracked-ness.
-   * @type {Blockly.RenderedConnection.TrackedState}
-   * @private
-   */
-  this.trackedState_ = Blockly.RenderedConnection.TrackedState.WILL_TRACK;
-
-  /**
-   * Connection this connection connects to.  Null if not connected.
-   * @type {Blockly.RenderedConnection}
-   */
-  this.targetConnection = null;
-};
-Blockly.utils.object.inherits(Blockly.RenderedConnection, Blockly.Connection);
-
-/**
- * Enum for different kinds of tracked states.
- *
- * WILL_TRACK means that this connection will add itself to
- * the db on the next moveTo call it receives.
- *
- * UNTRACKED means that this connection will not add
- * itself to the database until setTracking(true) is explicitly called.
- *
- * TRACKED means that this connection is currently being tracked.
- * @enum {number}
- */
-Blockly.RenderedConnection.TrackedState = {
-  WILL_TRACK: -1,
-  UNTRACKED: 0,
-  TRACKED: 1
-};
-
-/**
- * Dispose of this connection. Remove it from the database (if it is
- * tracked) and call the super-function to deal with connected blocks.
- * @override
- * @package
- */
-Blockly.RenderedConnection.prototype.dispose = function() {
-  Blockly.RenderedConnection.superClass_.dispose.call(this);
-  if (this.trackedState_ == Blockly.RenderedConnection.TrackedState.TRACKED) {
-    this.db_.removeConnection(this, this.y);
-  }
-};
-
-/**
- * Get the source block for this connection.
- * @return {!Blockly.BlockSvg} The source block.
- * @override
- */
-Blockly.RenderedConnection.prototype.getSourceBlock = function() {
-  return /** @type {!Blockly.BlockSvg} */ (
-    Blockly.RenderedConnection.superClass_.getSourceBlock.call(this));
-};
-
-/**
- * Returns the block that this connection connects to.
- * @return {Blockly.BlockSvg} The connected block or null if none is connected.
- * @override
- */
-Blockly.RenderedConnection.prototype.targetBlock = function() {
-  return /** @type {Blockly.BlockSvg} */ (
-    Blockly.RenderedConnection.superClass_.targetBlock.call(this));
-};
-
-/**
- * Returns the distance between this connection and another connection in
- * workspace units.
- * @param {!Blockly.Connection} otherConnection The other connection to measure
- *     the distance to.
- * @return {number} The distance between connections, in workspace units.
- */
-Blockly.RenderedConnection.prototype.distanceFrom = function(otherConnection) {
-  var xDiff = this.x - otherConnection.x;
-  var yDiff = this.y - otherConnection.y;
-  return Math.sqrt(xDiff * xDiff + yDiff * yDiff);
-};
-
-/**
- * Move the block(s) belonging to the connection to a point where they don't
- * visually interfere with the specified connection.
- * @param {!Blockly.Connection} staticConnection The connection to move away
- *     from.
- * @package
- */
-Blockly.RenderedConnection.prototype.bumpAwayFrom = function(staticConnection) {
-  if (this.sourceBlock_.workspace.isDragging()) {
-    // Don't move blocks around while the user is doing the same.
-    return;
-  }
-  // Move the root block.
-  var rootBlock = this.sourceBlock_.getRootBlock();
-  if (rootBlock.isInFlyout) {
-    // Don't move blocks around in a flyout.
-    return;
-  }
-  var reverse = false;
-  if (!rootBlock.isMovable()) {
-    // Can't bump an uneditable block away.
-    // Check to see if the other block is movable.
-    rootBlock = staticConnection.getSourceBlock().getRootBlock();
-    if (!rootBlock.isMovable()) {
-      return;
-    }
-    // Swap the connections and move the 'static' connection instead.
-    staticConnection = this;
-    reverse = true;
-  }
-  // Raise it to the top for extra visibility.
-  var selected = Blockly.selected == rootBlock;
-  selected || rootBlock.addSelect();
-  var dx = (staticConnection.x + Blockly.SNAP_RADIUS +
-      Math.floor(Math.random() * Blockly.BUMP_RANDOMNESS)) - this.x;
-  var dy = (staticConnection.y + Blockly.SNAP_RADIUS +
-      Math.floor(Math.random() * Blockly.BUMP_RANDOMNESS)) - this.y;
-  if (reverse) {
-    // When reversing a bump due to an uneditable block, bump up.
-    dy = -dy;
-  }
-  if (rootBlock.RTL) {
-    dx = (staticConnection.x - Blockly.SNAP_RADIUS -
-      Math.floor(Math.random() * Blockly.BUMP_RANDOMNESS)) - this.x;
-  }
-  rootBlock.moveBy(dx, dy);
-  selected || rootBlock.removeSelect();
-};
-
-/**
- * Change the connection's coordinates.
- * @param {number} x New absolute x coordinate, in workspace coordinates.
- * @param {number} y New absolute y coordinate, in workspace coordinates.
- */
-Blockly.RenderedConnection.prototype.moveTo = function(x, y) {
-  if (this.trackedState_ == Blockly.RenderedConnection.TrackedState.WILL_TRACK) {
-    this.db_.addConnection(this, y);
-    this.trackedState_ = Blockly.RenderedConnection.TrackedState.TRACKED;
-  } else if (this.trackedState_ == Blockly.RenderedConnection
-      .TrackedState.TRACKED) {
-    this.db_.removeConnection(this, this.y);
-    this.db_.addConnection(this, y);
-  }
-  this.x = x;
-  this.y = y;
-};
-
-/**
- * Change the connection's coordinates.
- * @param {number} dx Change to x coordinate, in workspace units.
- * @param {number} dy Change to y coordinate, in workspace units.
- */
-Blockly.RenderedConnection.prototype.moveBy = function(dx, dy) {
-  this.moveTo(this.x + dx, this.y + dy);
-};
-
-/**
- * Move this connection to the location given by its offset within the block and
- * the location of the block's top left corner.
- * @param {!Blockly.utils.Coordinate} blockTL The location of the top left
- *     corner of the block, in workspace coordinates.
- */
-Blockly.RenderedConnection.prototype.moveToOffset = function(blockTL) {
-  this.moveTo(blockTL.x + this.offsetInBlock_.x,
-      blockTL.y + this.offsetInBlock_.y);
-};
-
-/**
- * Set the offset of this connection relative to the top left of its block.
- * @param {number} x The new relative x, in workspace units.
- * @param {number} y The new relative y, in workspace units.
- */
-Blockly.RenderedConnection.prototype.setOffsetInBlock = function(x, y) {
-  this.offsetInBlock_.x = x;
-  this.offsetInBlock_.y = y;
-};
-
-/**
- * Get the offset of this connection relative to the top left of its block.
- * @return {!Blockly.utils.Coordinate} The offset of the connection.
- * @package
- */
-Blockly.RenderedConnection.prototype.getOffsetInBlock = function() {
-  return this.offsetInBlock_;
-};
-
-/**
- * Move the blocks on either side of this connection right next to each other.
- * @package
- */
-Blockly.RenderedConnection.prototype.tighten = function() {
-  var dx = this.targetConnection.x - this.x;
-  var dy = this.targetConnection.y - this.y;
-  if (dx != 0 || dy != 0) {
-    var block = this.targetBlock();
-    var svgRoot = block.getSvgRoot();
-    if (!svgRoot) {
-      throw Error('block is not rendered.');
-    }
-    // Workspace coordinates.
-    var xy = Blockly.utils.getRelativeXY(svgRoot);
-    block.getSvgRoot().setAttribute('transform',
-        'translate(' + (xy.x - dx) + ',' + (xy.y - dy) + ')');
-    block.moveConnections(-dx, -dy);
-  }
-};
-
-/**
- * Find the closest compatible connection to this connection.
- * All parameters are in workspace units.
- * @param {number} maxLimit The maximum radius to another connection.
- * @param {!Blockly.utils.Coordinate} dxy Offset between this connection's location
- *     in the database and the current location (as a result of dragging).
- * @return {!{connection: ?Blockly.Connection, radius: number}} Contains two
- *     properties: 'connection' which is either another connection or null,
- *     and 'radius' which is the distance.
- */
-Blockly.RenderedConnection.prototype.closest = function(maxLimit, dxy) {
-  return this.dbOpposite_.searchForClosest(this, maxLimit, dxy);
-};
-
-/**
- * Add highlighting around this connection.
- */
-Blockly.RenderedConnection.prototype.highlight = function() {
-  var steps;
-  var sourceBlockSvg = /** @type {!Blockly.BlockSvg} */ (this.sourceBlock_);
-  var renderConstants = sourceBlockSvg.workspace.getRenderer().getConstants();
-  var shape = renderConstants.shapeFor(this);
-  if (this.type == Blockly.INPUT_VALUE || this.type == Blockly.OUTPUT_VALUE) {
-    // Vertical line, puzzle tab, vertical line.
-    var yLen = renderConstants.TAB_OFFSET_FROM_TOP;
-    steps = Blockly.utils.svgPaths.moveBy(0, -yLen) +
-        Blockly.utils.svgPaths.lineOnAxis('v', yLen) +
-        shape.pathDown +
-        Blockly.utils.svgPaths.lineOnAxis('v', yLen);
-  } else {
-    var xLen =
-        renderConstants.NOTCH_OFFSET_LEFT - renderConstants.CORNER_RADIUS;
-    // Horizontal line, notch, horizontal line.
-    steps = Blockly.utils.svgPaths.moveBy(-xLen, 0) +
-        Blockly.utils.svgPaths.lineOnAxis('h', xLen) +
-        shape.pathLeft +
-        Blockly.utils.svgPaths.lineOnAxis('h', xLen);
-  }
-  var xy = this.sourceBlock_.getRelativeToSurfaceXY();
-  var x = this.x - xy.x;
-  var y = this.y - xy.y;
-  Blockly.Connection.highlightedPath_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH,
-      {
-        'class': 'blocklyHighlightedConnectionPath',
-        'd': steps,
-        transform: 'translate(' + x + ',' + y + ')' +
-            (this.sourceBlock_.RTL ? ' scale(-1 1)' : '')
-      },
-      this.sourceBlock_.getSvgRoot());
-};
-
-/**
- * Remove the highlighting around this connection.
- */
-Blockly.RenderedConnection.prototype.unhighlight = function() {
-  Blockly.utils.dom.removeNode(Blockly.Connection.highlightedPath_);
-  delete Blockly.Connection.highlightedPath_;
-};
-
-/**
- * Set whether this connections is tracked in the database or not.
- * @param {boolean} doTracking If true, start tracking. If false, stop tracking.
- * @package
- */
-Blockly.RenderedConnection.prototype.setTracking = function(doTracking) {
-  if ((doTracking && this.trackedState_ ==
-      Blockly.RenderedConnection.TrackedState.TRACKED) ||
-      (!doTracking && this.trackedState_ ==
-      Blockly.RenderedConnection.TrackedState.UNTRACKED)) {
-    return;
-  }
-  if (this.sourceBlock_.isInFlyout) {
-    // Don't bother maintaining a database of connections in a flyout.
-    return;
-  }
-  if (doTracking) {
-    this.db_.addConnection(this, this.y);
-    this.trackedState_ = Blockly.RenderedConnection.TrackedState.TRACKED;
-    return;
-  }
-  if (this.trackedState_ == Blockly.RenderedConnection.TrackedState.TRACKED) {
-    this.db_.removeConnection(this, this.y);
-  }
-  this.trackedState_ = Blockly.RenderedConnection.TrackedState.UNTRACKED;
-};
-
-/**
- * Stop tracking this connection, as well as all down-stream connections on
- * any block attached to this connection. This happens when a block is
- * collapsed.
- *
- * Also closes down-stream icons/bubbles.
- * @package
- */
-Blockly.RenderedConnection.prototype.stopTrackingAll = function() {
-  this.setTracking(false);
-  if (this.targetConnection) {
-    var blocks = this.targetBlock().getDescendants(false);
-    for (var i = 0; i < blocks.length; i++) {
-      var block = blocks[i];
-      // Stop tracking connections of all children.
-      var connections = block.getConnections_(true);
-      for (var j = 0; j < connections.length; j++) {
-        connections[j].setTracking(false);
-      }
-      // Close all bubbles of all children.
-      var icons = block.getIcons();
-      for (var j = 0; j < icons.length; j++) {
-        icons[j].setVisible(false);
-      }
-    }
-  }
-};
-
-/**
- * Start tracking this connection, as well as all down-stream connections on
- * any block attached to this connection. This happens when a block is expanded.
- * @return {!Array.<!Blockly.Block>} List of blocks to render.
- */
-Blockly.RenderedConnection.prototype.startTrackingAll = function() {
-  this.setTracking(true);
-  // All blocks that are not tracked must start tracking before any
-  // rendering takes place, since rendering requires knowing the dimensions
-  // of lower blocks. Also, since rendering a block renders all its parents,
-  // we only need to render the leaf nodes.
-  var renderList = [];
-  if (this.type != Blockly.INPUT_VALUE && this.type != Blockly.NEXT_STATEMENT) {
-    // Only spider down.
-    return renderList;
-  }
-  var block = this.targetBlock();
-  if (block) {
-    var connections;
-    if (block.isCollapsed()) {
-      // This block should only be partially revealed since it is collapsed.
-      connections = [];
-      block.outputConnection && connections.push(block.outputConnection);
-      block.nextConnection && connections.push(block.nextConnection);
-      block.previousConnection && connections.push(block.previousConnection);
-    } else {
-      // Show all connections of this block.
-      connections = block.getConnections_(true);
-    }
-    for (var i = 0; i < connections.length; i++) {
-      renderList.push.apply(renderList, connections[i].startTrackingAll());
-    }
-    if (!renderList.length) {
-      // Leaf block.
-      renderList[0] = block;
-    }
-  }
-  return renderList;
-};
-
-/**
- * Check if the two connections can be dragged to connect to each other.
- * @param {!Blockly.Connection} candidate A nearby connection to check.
- * @param {number=} maxRadius The maximum radius allowed for connections, in
- *     workspace units.
- * @return {boolean} True if the connection is allowed, false otherwise.
- * @deprecated July 2020
- */
-Blockly.RenderedConnection.prototype.isConnectionAllowed = function(candidate,
-    maxRadius) {
-  Blockly.utils.deprecation.warn(
-      'RenderedConnection.prototype.isConnectionAllowed',
-      'July 2020',
-      'July 2021',
-      'Blockly.Workspace.prototype.getConnectionChecker().canConnect');
-  if (this.distanceFrom(candidate) > maxRadius) {
-    return false;
-  }
-
-  return Blockly.RenderedConnection.superClass_.isConnectionAllowed.call(this,
-      candidate);
-};
-
-/**
- * Behavior after a connection attempt fails.
- * @param {!Blockly.Connection} otherConnection Connection that this connection
- *     failed to connect to.
- * @package
- */
-Blockly.RenderedConnection.prototype.onFailedConnect = function(
-    otherConnection) {
-  this.bumpAwayFrom(otherConnection);
-};
-
-
-/**
- * Disconnect two blocks that are connected by this connection.
- * @param {!Blockly.Block} parentBlock The superior block.
- * @param {!Blockly.Block} childBlock The inferior block.
- * @private
- */
-Blockly.RenderedConnection.prototype.disconnectInternal_ = function(parentBlock,
-    childBlock) {
-  Blockly.RenderedConnection.superClass_.disconnectInternal_.call(this,
-      parentBlock, childBlock);
-  // Rerender the parent so that it may reflow.
-  if (parentBlock.rendered) {
-    parentBlock.render();
-  }
-  if (childBlock.rendered) {
-    childBlock.updateDisabled();
-    childBlock.render();
-    // Reset visibility, since the child is now a top block.
-    childBlock.getSvgRoot().style.display = 'block';
-  }
-};
-
-/**
- * Respawn the shadow block if there was one connected to the this connection.
- * Render/rerender blocks as needed.
- * @private
- */
-Blockly.RenderedConnection.prototype.respawnShadow_ = function() {
-  Blockly.RenderedConnection.superClass_.respawnShadow_.call(this);
-  var blockShadow = this.targetBlock();
-  if (!blockShadow) {
-    // This connection must not have a shadowDom_.
-    return;
-  }
-  blockShadow.initSvg();
-  blockShadow.render(false);
-
-  var parentBlock = this.getSourceBlock();
-  if (parentBlock.rendered) {
-    parentBlock.render();
-  }
-};
-
-/**
- * Find all nearby compatible connections to this connection.
- * Type checking does not apply, since this function is used for bumping.
- * @param {number} maxLimit The maximum radius to another connection, in
- *     workspace units.
- * @return {!Array.<!Blockly.Connection>} List of connections.
- * @package
- */
-Blockly.RenderedConnection.prototype.neighbours = function(maxLimit) {
-  return this.dbOpposite_.getNeighbours(this, maxLimit);
-};
-
-/**
- * Connect two connections together.  This is the connection on the superior
- * block.  Rerender blocks as needed.
- * @param {!Blockly.Connection} childConnection Connection on inferior block.
- * @protected
- */
-Blockly.RenderedConnection.prototype.connect_ = function(childConnection) {
-  Blockly.RenderedConnection.superClass_.connect_.call(this, childConnection);
-
-  var parentConnection = this;
-  var parentBlock = parentConnection.getSourceBlock();
-  var childBlock = childConnection.getSourceBlock();
-  var parentRendered = parentBlock.rendered;
-  var childRendered = childBlock.rendered;
-
-  if (parentRendered) {
-    parentBlock.updateDisabled();
-  }
-  if (childRendered) {
-    childBlock.updateDisabled();
-  }
-  if (parentRendered && childRendered) {
-    if (parentConnection.type == Blockly.NEXT_STATEMENT ||
-        parentConnection.type == Blockly.PREVIOUS_STATEMENT) {
-      // Child block may need to square off its corners if it is in a stack.
-      // Rendering a child will render its parent.
-      childBlock.render();
-    } else {
-      // Child block does not change shape.  Rendering the parent node will
-      // move its connected children into position.
-      parentBlock.render();
-    }
-  }
-
-  // The input the child block is connected to (if any).
-  var parentInput = parentBlock.getInputWithBlock(childBlock);
-  if (parentInput) {
-    var visible = parentInput.isVisible();
-    childBlock.getSvgRoot().style.display = visible ? 'block' : 'none';
-  }
-};
-
-/**
- * Function to be called when this connection's compatible types have changed.
- * @protected
- */
-Blockly.RenderedConnection.prototype.onCheckChanged_ = function() {
-  // The new value type may not be compatible with the existing connection.
-  if (this.isConnected() && (!this.targetConnection ||
-      !this.getConnectionChecker().canConnect(
-          this, this.targetConnection, false))) {
-    var child = this.isSuperior() ? this.targetBlock() : this.sourceBlock_;
-    child.unplug();
-    // Bump away.
-    this.sourceBlock_.bumpNeighbours();
-  }
-};
diff --git a/core/rendered_connection.ts b/core/rendered_connection.ts
new file mode 100644
index 00000000000..5aa6f7f7588
--- /dev/null
+++ b/core/rendered_connection.ts
@@ -0,0 +1,571 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Components for creating connections between blocks.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.RenderedConnection
+
+import type {Block} from './block.js';
+import type {BlockSvg} from './block_svg.js';
+import * as common from './common.js';
+import {config} from './config.js';
+import {Connection} from './connection.js';
+import type {ConnectionDB} from './connection_db.js';
+import {ConnectionType} from './connection_type.js';
+import * as eventUtils from './events/utils.js';
+import {hasBubble} from './interfaces/i_has_bubble.js';
+import * as internalConstants from './internal_constants.js';
+import {Coordinate} from './utils/coordinate.js';
+
+/** Maximum randomness in workspace units for bumping a block. */
+const BUMP_RANDOMNESS = 10;
+
+/**
+ * Class for a connection between blocks that may be rendered on screen.
+ */
+export class RenderedConnection extends Connection {
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  sourceBlock_!: BlockSvg;
+  private readonly db: ConnectionDB;
+  private readonly dbOpposite: ConnectionDB;
+  private readonly offsetInBlock: Coordinate;
+  private trackedState: TrackedState;
+  private highlighted: boolean = false;
+
+  /** Connection this connection connects to.  Null if not connected. */
+  override targetConnection: RenderedConnection | null = null;
+
+  /**
+   * @param source The block establishing this connection.
+   * @param type The type of the connection.
+   */
+  constructor(source: BlockSvg, type: number) {
+    super(source, type);
+
+    /**
+     * Connection database for connections of this type on the current
+     * workspace.
+     */
+    this.db = source.workspace.connectionDBList[type];
+
+    /**
+     * Connection database for connections compatible with this type on the
+     * current workspace.
+     */
+    this.dbOpposite =
+      source.workspace.connectionDBList[internalConstants.OPPOSITE_TYPE[type]];
+
+    /** Workspace units, (0, 0) is top left of block. */
+    this.offsetInBlock = new Coordinate(0, 0);
+
+    /** Describes the state of this connection's tracked-ness. */
+    this.trackedState = RenderedConnection.TrackedState.WILL_TRACK;
+  }
+
+  /**
+   * Dispose of this connection. Remove it from the database (if it is
+   * tracked) and call the super-function to deal with connected blocks.
+   *
+   * @internal
+   */
+  override dispose() {
+    super.dispose();
+    if (this.trackedState === RenderedConnection.TrackedState.TRACKED) {
+      this.db.removeConnection(this, this.y);
+    }
+    this.sourceBlock_.pathObject.removeConnectionHighlight?.(this);
+  }
+
+  /**
+   * Get the source block for this connection.
+   *
+   * @returns The source block.
+   */
+  override getSourceBlock(): BlockSvg {
+    return super.getSourceBlock() as BlockSvg;
+  }
+
+  /**
+   * Returns the block that this connection connects to.
+   *
+   * @returns The connected block or null if none is connected.
+   */
+  override targetBlock(): BlockSvg | null {
+    return super.targetBlock() as BlockSvg;
+  }
+
+  /**
+   * Returns the distance between this connection and another connection in
+   * workspace units.
+   *
+   * @param otherConnection The other connection to measure the distance to.
+   * @returns The distance between connections, in workspace units.
+   */
+  distanceFrom(otherConnection: Connection): number {
+    const xDiff = this.x - otherConnection.x;
+    const yDiff = this.y - otherConnection.y;
+    return Math.sqrt(xDiff * xDiff + yDiff * yDiff);
+  }
+
+  /**
+   * Move the block(s) belonging to the connection to a point where they don't
+   * visually interfere with the specified connection.
+   *
+   * @param staticConnection The connection to move away from.
+   * @internal
+   */
+  bumpAwayFrom(staticConnection: RenderedConnection) {
+    if (this.sourceBlock_.workspace.isDragging()) {
+      // Don't move blocks around while the user is doing the same.
+      return;
+    }
+    // Move the root block.
+    let rootBlock = this.sourceBlock_.getRootBlock();
+    if (rootBlock.isInFlyout) {
+      // Don't move blocks around in a flyout.
+      return;
+    }
+    let reverse = false;
+    if (!rootBlock.isMovable()) {
+      // Can't bump an uneditable block away.
+      // Check to see if the other block is movable.
+      rootBlock = staticConnection.getSourceBlock().getRootBlock();
+      if (!rootBlock.isMovable()) {
+        return;
+      }
+      // Swap the connections and move the 'static' connection instead.
+      /* eslint-disable-next-line @typescript-eslint/no-this-alias */
+      staticConnection = this;
+      reverse = true;
+    }
+    // Raise it to the top for extra visibility.
+    const selected = common.getSelected() == rootBlock;
+    selected || rootBlock.addSelect();
+    let dx =
+      staticConnection.x +
+      config.snapRadius +
+      Math.floor(Math.random() * BUMP_RANDOMNESS) -
+      this.x;
+    let dy =
+      staticConnection.y +
+      config.snapRadius +
+      Math.floor(Math.random() * BUMP_RANDOMNESS) -
+      this.y;
+    if (reverse) {
+      // When reversing a bump due to an uneditable block, bump up.
+      dy = -dy;
+    }
+    if (rootBlock.RTL) {
+      dx =
+        staticConnection.x -
+        config.snapRadius -
+        Math.floor(Math.random() * BUMP_RANDOMNESS) -
+        this.x;
+    }
+    rootBlock.moveBy(dx, dy, ['bump']);
+    selected || rootBlock.removeSelect();
+  }
+
+  /**
+   * Change the connection's coordinates.
+   *
+   * @param x New absolute x coordinate, in workspace coordinates.
+   * @param y New absolute y coordinate, in workspace coordinates.
+   * @returns True if the position of the connection in the connection db
+   *     was updated.
+   */
+  moveTo(x: number, y: number): boolean {
+    // TODO(#6922): Readd this optimization.
+    // const moved = this.x !== x || this.y !== y;
+    const moved = true;
+    let updated = false;
+
+    if (this.trackedState === RenderedConnection.TrackedState.WILL_TRACK) {
+      this.db.addConnection(this, y);
+      this.trackedState = RenderedConnection.TrackedState.TRACKED;
+      updated = true;
+    } else if (
+      this.trackedState === RenderedConnection.TrackedState.TRACKED &&
+      moved
+    ) {
+      this.db.removeConnection(this, this.y);
+      this.db.addConnection(this, y);
+      updated = true;
+    }
+
+    this.x = x;
+    this.y = y;
+
+    return updated;
+  }
+
+  /**
+   * Change the connection's coordinates.
+   *
+   * @param dx Change to x coordinate, in workspace units.
+   * @param dy Change to y coordinate, in workspace units.
+   * @returns True if the position of the connection in the connection db
+   *     was updated.
+   */
+  moveBy(dx: number, dy: number): boolean {
+    return this.moveTo(this.x + dx, this.y + dy);
+  }
+
+  /**
+   * Move this connection to the location given by its offset within the block
+   * and the location of the block's top left corner.
+   *
+   * @param blockTL The location of the top left corner of the block, in
+   *     workspace coordinates.
+   * @returns True if the position of the connection in the connection db
+   *     was updated.
+   */
+  moveToOffset(blockTL: Coordinate): boolean {
+    return this.moveTo(
+      blockTL.x + this.offsetInBlock.x,
+      blockTL.y + this.offsetInBlock.y,
+    );
+  }
+
+  /**
+   * Set the offset of this connection relative to the top left of its block.
+   *
+   * @param x The new relative x, in workspace units.
+   * @param y The new relative y, in workspace units.
+   */
+  setOffsetInBlock(x: number, y: number) {
+    this.offsetInBlock.x = x;
+    this.offsetInBlock.y = y;
+  }
+
+  /**
+   * Get the offset of this connection relative to the top left of its block.
+   *
+   * @returns The offset of the connection.
+   */
+  getOffsetInBlock(): Coordinate {
+    return this.offsetInBlock;
+  }
+
+  /**
+   * Moves the blocks on either side of this connection right next to
+   * each other, based on their local offsets, not global positions.
+   *
+   * @internal
+   */
+  tightenEfficiently() {
+    const target = this.targetConnection;
+    const block = this.targetBlock();
+    if (!target || !block) return;
+    const offset = Coordinate.difference(
+      this.offsetInBlock,
+      target.offsetInBlock,
+    );
+    block.translate(offset.x, offset.y);
+  }
+
+  /**
+   * Find the closest compatible connection to this connection.
+   * All parameters are in workspace units.
+   *
+   * @param maxLimit The maximum radius to another connection.
+   * @param dxy Offset between this connection's location in the database and
+   *     the current location (as a result of dragging).
+   * @returns Contains two properties: 'connection' which is either another
+   *     connection or null, and 'radius' which is the distance.
+   */
+  closest(
+    maxLimit: number,
+    dxy: Coordinate,
+  ): {connection: RenderedConnection | null; radius: number} {
+    return this.dbOpposite.searchForClosest(this, maxLimit, dxy);
+  }
+
+  /** Add highlighting around this connection. */
+  highlight() {
+    this.highlighted = true;
+    this.getSourceBlock().queueRender();
+  }
+
+  /** Remove the highlighting around this connection. */
+  unhighlight() {
+    this.highlighted = false;
+    this.getSourceBlock().queueRender();
+  }
+
+  /** Returns true if this connection is highlighted, false otherwise. */
+  isHighlighted(): boolean {
+    return this.highlighted;
+  }
+
+  /**
+   * Set whether this connections is tracked in the database or not.
+   *
+   * @param doTracking If true, start tracking. If false, stop tracking.
+   * @internal
+   */
+  setTracking(doTracking: boolean) {
+    if (
+      (doTracking &&
+        this.trackedState === RenderedConnection.TrackedState.TRACKED) ||
+      (!doTracking &&
+        this.trackedState === RenderedConnection.TrackedState.UNTRACKED)
+    ) {
+      return;
+    }
+    if (this.sourceBlock_.isInFlyout) {
+      // Don't bother maintaining a database of connections in a flyout.
+      return;
+    }
+    if (doTracking) {
+      this.db.addConnection(this, this.y);
+      this.trackedState = RenderedConnection.TrackedState.TRACKED;
+      return;
+    }
+    if (this.trackedState === RenderedConnection.TrackedState.TRACKED) {
+      this.db.removeConnection(this, this.y);
+    }
+    this.trackedState = RenderedConnection.TrackedState.UNTRACKED;
+  }
+
+  /**
+   * Stop tracking this connection, as well as all down-stream connections on
+   * any block attached to this connection. This happens when a block is
+   * collapsed.
+   *
+   * Also closes down-stream icons/bubbles.
+   *
+   * @internal
+   */
+  stopTrackingAll() {
+    this.setTracking(false);
+    if (this.targetConnection) {
+      const blocks = this.targetBlock()!.getDescendants(false);
+      for (let i = 0; i < blocks.length; i++) {
+        const block = blocks[i];
+        // Stop tracking connections of all children.
+        const connections = block.getConnections_(true);
+        for (let j = 0; j < connections.length; j++) {
+          connections[j].setTracking(false);
+        }
+        // Close all bubbles of all children.
+        for (const icon of block.getIcons()) {
+          if (hasBubble(icon)) icon.setBubbleVisible(false);
+        }
+      }
+    }
+  }
+
+  /**
+   * Start tracking this connection, as well as all down-stream connections on
+   * any block attached to this connection. This happens when a block is
+   * expanded.
+   *
+   * @returns List of blocks to render.
+   */
+  startTrackingAll(): Block[] {
+    this.setTracking(true);
+    // All blocks that are not tracked must start tracking before any
+    // rendering takes place, since rendering requires knowing the dimensions
+    // of lower blocks. Also, since rendering a block renders all its parents,
+    // we only need to render the leaf nodes.
+    let renderList: Block[] = [];
+    if (
+      this.type !== ConnectionType.INPUT_VALUE &&
+      this.type !== ConnectionType.NEXT_STATEMENT
+    ) {
+      // Only spider down.
+      return renderList;
+    }
+    const block = this.targetBlock();
+    if (block) {
+      let connections;
+      if (block.isCollapsed()) {
+        // This block should only be partially revealed since it is collapsed.
+        connections = [];
+        block.outputConnection && connections.push(block.outputConnection);
+        block.nextConnection && connections.push(block.nextConnection);
+        block.previousConnection && connections.push(block.previousConnection);
+      } else {
+        // Show all connections of this block.
+        connections = block.getConnections_(true);
+      }
+      for (let i = 0; i < connections.length; i++) {
+        renderList.push(...connections[i].startTrackingAll());
+      }
+      if (!renderList.length) {
+        // Leaf block.
+        renderList = [block];
+      }
+    }
+    return renderList;
+  }
+
+  /**
+   * Behaviour after a connection attempt fails.
+   * Bumps this connection away from the other connection. Called when an
+   * attempted connection fails.
+   *
+   * @param otherConnection Connection that this connection failed to connect
+   *     to.
+   * @internal
+   */
+  override onFailedConnect(otherConnection: Connection) {
+    const block = this.getSourceBlock();
+    if (eventUtils.getRecordUndo()) {
+      const group = eventUtils.getGroup();
+      setTimeout(
+        function (this: RenderedConnection) {
+          if (!block.isDisposed() && !block.getParent()) {
+            eventUtils.setGroup(group);
+            this.bumpAwayFrom(otherConnection as RenderedConnection);
+            eventUtils.setGroup(false);
+          }
+        }.bind(this),
+        config.bumpDelay,
+      );
+    }
+  }
+
+  /**
+   * Disconnect two blocks that are connected by this connection.
+   *
+   * @param setParent Whether to set the parent of the disconnected block or
+   *     not, defaults to true.
+   *     If you do not set the parent, ensure that a subsequent action does,
+   *     otherwise the view and model will be out of sync.
+   */
+  override disconnectInternal(setParent = true) {
+    const {parentConnection, childConnection} =
+      this.getParentAndChildConnections();
+    if (!parentConnection || !childConnection) return;
+    const existingGroup = eventUtils.getGroup();
+    if (!existingGroup) eventUtils.setGroup(true);
+
+    const parent = parentConnection.getSourceBlock() as BlockSvg;
+    const child = childConnection.getSourceBlock() as BlockSvg;
+    super.disconnectInternal(setParent);
+
+    parent.queueRender();
+    child.updateDisabled();
+    child.queueRender();
+    // Reset visibility, since the child is now a top block.
+    child.getSvgRoot().style.display = 'block';
+
+    eventUtils.setGroup(existingGroup);
+  }
+
+  /**
+   * Respawn the shadow block if there was one connected to the this connection.
+   * Render/rerender blocks as needed.
+   */
+  protected override respawnShadow_() {
+    super.respawnShadow_();
+    const blockShadow = this.targetBlock();
+    if (!blockShadow) {
+      return;
+    }
+    blockShadow.initSvg();
+    blockShadow.queueRender();
+  }
+
+  /**
+   * Find all nearby compatible connections to this connection.
+   * Type checking does not apply, since this function is used for bumping.
+   *
+   * @param maxLimit The maximum radius to another connection, in workspace
+   *     units.
+   * @returns List of connections.
+   * @internal
+   */
+  override neighbours(maxLimit: number): RenderedConnection[] {
+    return this.dbOpposite.getNeighbours(this, maxLimit);
+  }
+
+  /**
+   * Connect two connections together.  This is the connection on the superior
+   * block.  Rerender blocks as needed.
+   *
+   * @param childConnection Connection on inferior block.
+   */
+  protected override connect_(childConnection: Connection) {
+    super.connect_(childConnection);
+
+    const renderedChildConnection = childConnection as RenderedConnection;
+
+    const parentBlock = this.getSourceBlock();
+    const childBlock = renderedChildConnection.getSourceBlock();
+
+    parentBlock.updateDisabled();
+    childBlock.updateDisabled();
+    childBlock.queueRender();
+
+    // The input the child block is connected to (if any).
+    const parentInput = parentBlock.getInputWithBlock(childBlock);
+    if (parentInput) {
+      const visible = parentInput.isVisible();
+      childBlock.getSvgRoot().style.display = visible ? 'block' : 'none';
+    }
+  }
+
+  /**
+   * Function to be called when this connection's compatible types have changed.
+   */
+  protected override onCheckChanged_() {
+    // The new value type may not be compatible with the existing connection.
+    if (
+      this.isConnected() &&
+      (!this.targetConnection ||
+        !this.getConnectionChecker().canConnect(
+          this,
+          this.targetConnection,
+          false,
+        ))
+    ) {
+      const child = this.isSuperior() ? this.targetBlock() : this.sourceBlock_;
+      child!.unplug();
+    }
+  }
+
+  /**
+   * Change a connection's compatibility.
+   * Rerender blocks as needed.
+   *
+   * @param check Compatible value type or list of value types. Null if all
+   *     types are compatible.
+   * @returns The connection being modified (to allow chaining).
+   */
+  override setCheck(check: string | string[] | null): RenderedConnection {
+    super.setCheck(check);
+    this.sourceBlock_.queueRender();
+    return this;
+  }
+}
+
+export namespace RenderedConnection {
+  /**
+   * Enum for different kinds of tracked states.
+   *
+   * WILL_TRACK means that this connection will add itself to
+   * the db on the next moveTo call it receives.
+   *
+   * UNTRACKED means that this connection will not add
+   * itself to the database until setTracking(true) is explicitly called.
+   *
+   * TRACKED means that this connection is currently being tracked.
+   */
+  export enum TrackedState {
+    WILL_TRACK = -1,
+    UNTRACKED = 0,
+    TRACKED = 1,
+  }
+}
+
+export type TrackedState = RenderedConnection.TrackedState;
+export const TrackedState = RenderedConnection.TrackedState;
diff --git a/core/renderers/common/block_rendering.js b/core/renderers/common/block_rendering.js
deleted file mode 100644
index 8b4a2b57295..00000000000
--- a/core/renderers/common/block_rendering.js
+++ /dev/null
@@ -1,81 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Namespace for block rendering functionality.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-/**
- * The top level namespace for block rendering.
- * @namespace Blockly.blockRendering
- */
-goog.provide('Blockly.blockRendering');
-
-goog.require('Blockly.registry');
-goog.require('Blockly.utils.object');
-
-
-/**
- * Whether or not the debugger is turned on.
- * @type {boolean}
- * @package
- */
-Blockly.blockRendering.useDebugger = false;
-
-/**
- * Registers a new renderer.
- * @param {string} name The name of the renderer.
- * @param {!Function} rendererClass The new renderer class
- *     to register.
- * @throws {Error} if a renderer with the same name has already been registered.
- */
-Blockly.blockRendering.register = function(name, rendererClass) {
-  Blockly.registry.register(Blockly.registry.Type.RENDERER, name,
-      rendererClass);
-};
-
-/**
- * Unregisters the renderer registered with the given name.
- * @param {string} name The name of the renderer.
- */
-Blockly.blockRendering.unregister = function(name) {
-  Blockly.registry.unregister(Blockly.registry.Type.RENDERER, name);
-};
-/**
- * Turn on the blocks debugger.
- * @package
- */
-Blockly.blockRendering.startDebugger = function() {
-  Blockly.blockRendering.useDebugger = true;
-};
-
-/**
- * Turn off the blocks debugger.
- * @package
- */
-Blockly.blockRendering.stopDebugger = function() {
-  Blockly.blockRendering.useDebugger = false;
-};
-
-/**
- * Initialize anything needed for rendering (constants, etc).
- * @param {!string} name Name of the renderer to initialize.
- * @param {!Blockly.Theme} theme The workspace theme object.
- * @param {Object=} opt_rendererOverrides Rendering constant overrides.
- * @return {!Blockly.blockRendering.Renderer} The new instance of a renderer.
- *     Already initialized.
- * @package
- */
-
-Blockly.blockRendering.init = function(name, theme, opt_rendererOverrides) {
-  var rendererClass = Blockly.registry.getClass(
-      Blockly.registry.Type.RENDERER, name);
-  var renderer = new rendererClass(name);
-  renderer.init(theme, opt_rendererOverrides);
-  return renderer;
-};
diff --git a/core/renderers/common/block_rendering.ts b/core/renderers/common/block_rendering.ts
new file mode 100644
index 00000000000..7c87a892873
--- /dev/null
+++ b/core/renderers/common/block_rendering.ts
@@ -0,0 +1,120 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering
+
+import * as registry from '../../registry.js';
+import type {Theme} from '../../theme.js';
+import {Measurable} from '../measurables/base.js';
+import {BottomRow} from '../measurables/bottom_row.js';
+import {Connection} from '../measurables/connection.js';
+import {ExternalValueInput} from '../measurables/external_value_input.js';
+import {Field} from '../measurables/field.js';
+import {Hat} from '../measurables/hat.js';
+import {Icon} from '../measurables/icon.js';
+import {InRowSpacer} from '../measurables/in_row_spacer.js';
+import {InlineInput} from '../measurables/inline_input.js';
+import {InputConnection} from '../measurables/input_connection.js';
+import {InputRow} from '../measurables/input_row.js';
+import {JaggedEdge} from '../measurables/jagged_edge.js';
+import {NextConnection} from '../measurables/next_connection.js';
+import {OutputConnection} from '../measurables/output_connection.js';
+import {PreviousConnection} from '../measurables/previous_connection.js';
+import {RoundCorner} from '../measurables/round_corner.js';
+import {Row} from '../measurables/row.js';
+import {SpacerRow} from '../measurables/spacer_row.js';
+import {SquareCorner} from '../measurables/square_corner.js';
+import {StatementInput} from '../measurables/statement_input.js';
+import {TopRow} from '../measurables/top_row.js';
+import {Types} from '../measurables/types.js';
+
+import {Drawer} from './drawer.js';
+import type {IPathObject} from './i_path_object.js';
+import {RenderInfo} from './info.js';
+import {MarkerSvg} from './marker_svg.js';
+import {PathObject} from './path_object.js';
+import {Renderer} from './renderer.js';
+
+/**
+ * Registers a new renderer.
+ *
+ * @param name The name of the renderer.
+ * @param rendererClass The new renderer class to register.
+ * @throws {Error} if a renderer with the same name has already been registered.
+ */
+export function register(name: string, rendererClass: Function) {
+  registry.register(registry.Type.RENDERER, name, rendererClass);
+}
+
+/**
+ * Unregisters the renderer registered with the given name.
+ *
+ * @param name The name of the renderer.
+ */
+export function unregister(name: string) {
+  registry.unregister(registry.Type.RENDERER, name);
+}
+
+/**
+ * Initialize anything needed for rendering (constants, etc).
+ *
+ * @param name Name of the renderer to initialize.
+ * @param theme The workspace theme object.
+ * @param opt_rendererOverrides Rendering constant overrides.
+ * @returns The new instance of a renderer.
+ *     Already initialized.
+ * @internal
+ */
+export function init(
+  name: string,
+  theme: Theme,
+  opt_rendererOverrides?: {[rendererConstant: string]: any},
+): Renderer {
+  const rendererClass = registry.getClass(registry.Type.RENDERER, name);
+  const renderer = new rendererClass!(name);
+  renderer.init(theme, opt_rendererOverrides);
+  return renderer;
+}
+export {BottomRow};
+export {Connection};
+export {Drawer};
+export {ExternalValueInput};
+export {Field};
+export {Hat};
+export {Icon};
+export {InRowSpacer};
+export {InlineInput};
+export {InputConnection};
+export {InputRow};
+export {IPathObject};
+export {JaggedEdge};
+export {MarkerSvg};
+export {Measurable};
+export {NextConnection};
+export {OutputConnection};
+export {PathObject};
+export {PreviousConnection};
+export {Renderer};
+export {RenderInfo};
+export {RoundCorner};
+export {Row};
+export {SpacerRow};
+export {SquareCorner};
+export {StatementInput};
+export {TopRow};
+export {Types};
+
+export {
+  OutsideCorners,
+  InsideCorners,
+  StartHat,
+  Notch,
+  PuzzleTab,
+  JaggedTeeth,
+  BaseShape,
+  DynamicShape,
+  ConstantProvider,
+} from './constants.js';
diff --git a/core/renderers/common/constants.js b/core/renderers/common/constants.js
deleted file mode 100644
index 791499abcc6..00000000000
--- a/core/renderers/common/constants.js
+++ /dev/null
@@ -1,1256 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview An object that provides constants for rendering blocks.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.blockRendering.ConstantProvider');
-
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.colour');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.utils.svgPaths');
-goog.require('Blockly.utils.userAgent');
-
-goog.requireType('Blockly.blockRendering.Debug');
-
-
-/**
- * An object that provides constants for rendering blocks.
- * @constructor
- * @package
- */
-Blockly.blockRendering.ConstantProvider = function() {
-
-  /**
-   * The size of an empty spacer.
-   * @type {number}
-   */
-  this.NO_PADDING = 0;
-
-  /**
-   * The size of small padding.
-   * @type {number}
-   */
-  this.SMALL_PADDING = 3;
-
-  /**
-   * The size of medium padding.
-   * @type {number}
-   */
-  this.MEDIUM_PADDING = 5;
-
-  /**
-   * The size of medium-large padding.
-   * @type {number}
-   */
-  this.MEDIUM_LARGE_PADDING = 8;
-
-  /**
-   * The size of large padding.
-   * @type {number}
-   */
-  this.LARGE_PADDING = 10;
-
-  /**
-   * Offset from the top of the row for placing fields on inline input rows
-   * and statement input rows.
-   * Matches existing rendering (in 2019).
-   * @type {number}
-   */
-  this.TALL_INPUT_FIELD_OFFSET_Y = this.MEDIUM_PADDING;
-
-  /**
-   * The height of the puzzle tab used for input and output connections.
-   * @type {number}
-   */
-  this.TAB_HEIGHT = 15;
-
-  /**
-   * The offset from the top of the block at which a puzzle tab is positioned.
-   * @type {number}
-   */
-  this.TAB_OFFSET_FROM_TOP = 5;
-
-  /**
-   * Vertical overlap of the puzzle tab, used to make it look more like a puzzle
-   * piece.
-   * @type {number}
-   */
-  this.TAB_VERTICAL_OVERLAP = 2.5;
-
-  /**
-   * The width of the puzzle tab used for input and output connections.
-   * @type {number}
-   */
-  this.TAB_WIDTH = 8;
-
-  /**
-   * The width of the notch used for previous and next connections.
-   * @type {number}
-   */
-  this.NOTCH_WIDTH = 15;
-
-  /**
-   * The height of the notch used for previous and next connections.
-   * @type {number}
-   */
-  this.NOTCH_HEIGHT = 4;
-
-  /**
-   * The minimum width of the block.
-   * @type {number}
-   */
-  this.MIN_BLOCK_WIDTH = 12;
-
-  this.EMPTY_BLOCK_SPACER_HEIGHT = 16;
-
-  /**
-   * The minimum height of a dummy input row.
-   * @type {number}
-   */
-  this.DUMMY_INPUT_MIN_HEIGHT = this.TAB_HEIGHT;
-
-  /**
-   * The minimum height of a dummy input row in a shadow block.
-   * @type {number}
-   */
-  this.DUMMY_INPUT_SHADOW_MIN_HEIGHT = this.TAB_HEIGHT;
-
-  /**
-   * Rounded corner radius.
-   * @type {number}
-   */
-  this.CORNER_RADIUS = 8;
-
-  /**
-   * Offset from the left side of a block or the inside of a statement input to
-   * the left side of the notch.
-   * @type {number}
-   */
-  this.NOTCH_OFFSET_LEFT = 15;
-
-  /**
-   * Additional offset added to the statement input's width to account for the
-   * notch.
-   * @type {number}
-   */
-  this.STATEMENT_INPUT_NOTCH_OFFSET = this.NOTCH_OFFSET_LEFT;
-
-  this.STATEMENT_BOTTOM_SPACER = 0;
-  this.STATEMENT_INPUT_PADDING_LEFT = 20;
-
-  /**
-   * Vertical padding between consecutive statement inputs.
-   * @type {number}
-   */
-  this.BETWEEN_STATEMENT_PADDING_Y = 4;
-
-  /**
-   * The top row's minimum height.
-   * @type {number}
-   */
-  this.TOP_ROW_MIN_HEIGHT = this.MEDIUM_PADDING;
-
-  /**
-   * The top row's minimum height if it precedes a statement.
-   * @type {number}
-   */
-  this.TOP_ROW_PRECEDES_STATEMENT_MIN_HEIGHT = this.LARGE_PADDING;
-
-  /**
-   * The bottom row's minimum height.
-   * @type {number}
-   */
-  this.BOTTOM_ROW_MIN_HEIGHT = this.MEDIUM_PADDING;
-
-  /**
-   * The bottom row's minimum height if it follows a statement input.
-   * @type {number}
-   */
-  this.BOTTOM_ROW_AFTER_STATEMENT_MIN_HEIGHT = this.LARGE_PADDING;
-
-  /**
-   * Whether to add a 'hat' on top of all blocks with no previous or output
-   * connections. Can be overridden by 'hat' property on Theme.BlockStyle.
-   * @type {boolean}
-   */
-  this.ADD_START_HATS = false;
-
-  /**
-   * Height of the top hat.
-   * @type {number}
-   */
-  this.START_HAT_HEIGHT = 15;
-
-  /**
-   * Width of the top hat.
-   * @type {number}
-   */
-  this.START_HAT_WIDTH = 100;
-
-  this.SPACER_DEFAULT_HEIGHT = 15;
-
-  this.MIN_BLOCK_HEIGHT = 24;
-
-  this.EMPTY_INLINE_INPUT_PADDING = 14.5;
-
-  /**
-   * The height of an empty inline input.
-   * @type {number}
-   */
-  this.EMPTY_INLINE_INPUT_HEIGHT = this.TAB_HEIGHT + 11;
-
-  this.EXTERNAL_VALUE_INPUT_PADDING = 2;
-
-  /**
-   * The height of an empty statement input.  Note that in the old rendering this
-   * varies slightly depending on whether the block has external or inline inputs.
-   * In the new rendering this is consistent.  It seems unlikely that the old
-   * behaviour was intentional.
-   * @type {number}
-   */
-  this.EMPTY_STATEMENT_INPUT_HEIGHT = this.MIN_BLOCK_HEIGHT;
-
-  this.START_POINT = Blockly.utils.svgPaths.moveBy(0, 0);
-
-  /**
-   * Height of SVG path for jagged teeth at the end of collapsed blocks.
-   * @type {number}
-   */
-  this.JAGGED_TEETH_HEIGHT = 12;
-
-  /**
-   * Width of SVG path for jagged teeth at the end of collapsed blocks.
-   * @type {number}
-   */
-  this.JAGGED_TEETH_WIDTH = 6;
-
-  /**
-   * Point size of text.
-   * @type {number}
-   */
-  this.FIELD_TEXT_FONTSIZE = 11;
-
-  /**
-   * Text font weight.
-   * @type {string}
-   */
-  this.FIELD_TEXT_FONTWEIGHT = 'normal';
-
-  /**
-   * Text font family.
-   * @type {string}
-   */
-  this.FIELD_TEXT_FONTFAMILY = 'sans-serif';
-
-  /**
-   * Height of text.  This constant is dynamically set in ``setFontConstants_``
-   * to be the height of the text based on the font used.
-   * @type {number}
-   */
-  this.FIELD_TEXT_HEIGHT = -1; // Dynamically set
-
-  /**
-   * Text baseline.  This constant is dynamically set in ``setFontConstants_``
-   * to be the baseline of the text based on the font used.
-   * @type {number}
-   */
-  this.FIELD_TEXT_BASELINE = -1; // Dynamically set
-
-  /**
-   * A field's border rect corner radius.
-   * @type {number}
-   */
-  this.FIELD_BORDER_RECT_RADIUS = 4;
-
-  /**
-   * A field's border rect default height.
-   * @type {number}
-   */
-  this.FIELD_BORDER_RECT_HEIGHT = 16;
-
-  /**
-   * A field's border rect X padding.
-   * @type {number}
-   */
-  this.FIELD_BORDER_RECT_X_PADDING = 5;
-
-  /**
-   * A field's border rect Y padding.
-   * @type {number}
-   */
-  this.FIELD_BORDER_RECT_Y_PADDING = 3;
-
-  /**
-   * The backing colour of a field's border rect.
-   * @type {string}
-   * @package
-   */
-  this.FIELD_BORDER_RECT_COLOUR = '#fff';
-
-  /**
-   * A field's text element's dominant baseline.
-   * @type {boolean}
-   */
-  this.FIELD_TEXT_BASELINE_CENTER =
-      !Blockly.utils.userAgent.IE && !Blockly.utils.userAgent.EDGE;
-
-  /**
-   * A dropdown field's border rect height.
-   * @type {number}
-   */
-  this.FIELD_DROPDOWN_BORDER_RECT_HEIGHT = this.FIELD_BORDER_RECT_HEIGHT;
-
-  /**
-   * Whether or not a dropdown field should add a border rect when in a shadow
-   * block.
-   * @type {boolean}
-   */
-  this.FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW = false;
-
-  /**
-   * Whether or not a dropdown field's div should be coloured to match the
-   * block colours.
-   * @type {boolean}
-   */
-  this.FIELD_DROPDOWN_COLOURED_DIV = false;
-
-  /**
-   * Whether or not a dropdown field uses a text or SVG arrow.
-   * @type {boolean}
-   */
-  this.FIELD_DROPDOWN_SVG_ARROW = false;
-
-  /**
-   * A dropdown field's SVG arrow padding.
-   * @type {number}
-   */
-  this.FIELD_DROPDOWN_SVG_ARROW_PADDING = this.FIELD_BORDER_RECT_X_PADDING;
-
-  /**
-   * A dropdown field's SVG arrow size.
-   * @type {number}
-   */
-  this.FIELD_DROPDOWN_SVG_ARROW_SIZE = 12;
-
-  /**
-   * A dropdown field's SVG arrow datauri.
-   * @type {string}
-   */
-  this.FIELD_DROPDOWN_SVG_ARROW_DATAURI =
-    'data:image/svg+xml;base64,PHN2ZyBpZD0iTGF5ZXJfMSIgZGF0YS1uYW1lPSJMYXllci' +
-    'AxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMi43MSIgaG' +
-    'VpZ2h0PSI4Ljc5IiB2aWV3Qm94PSIwIDAgMTIuNzEgOC43OSI+PHRpdGxlPmRyb3Bkb3duLW' +
-    'Fycm93PC90aXRsZT48ZyBvcGFjaXR5PSIwLjEiPjxwYXRoIGQ9Ik0xMi43MSwyLjQ0QTIuND' +
-    'EsMi40MSwwLDAsMSwxMiw0LjE2TDguMDgsOC4wOGEyLjQ1LDIuNDUsMCwwLDEtMy40NSwwTD' +
-    'AuNzIsNC4xNkEyLjQyLDIuNDIsMCwwLDEsMCwyLjQ0LDIuNDgsMi40OCwwLDAsMSwuNzEuNz' +
-    'FDMSwwLjQ3LDEuNDMsMCw2LjM2LDBTMTEuNzUsMC40NiwxMiwuNzFBMi40NCwyLjQ0LDAsMC' +
-    'wxLDEyLjcxLDIuNDRaIiBmaWxsPSIjMjMxZjIwIi8+PC9nPjxwYXRoIGQ9Ik02LjM2LDcuNz' +
-    'lhMS40MywxLjQzLDAsMCwxLTEtLjQyTDEuNDIsMy40NWExLjQ0LDEuNDQsMCwwLDEsMC0yYz' +
-    'AuNTYtLjU2LDkuMzEtMC41Niw5Ljg3LDBhMS40NCwxLjQ0LDAsMCwxLDAsMkw3LjM3LDcuMz' +
-    'dBMS40MywxLjQzLDAsMCwxLDYuMzYsNy43OVoiIGZpbGw9IiNmZmYiLz48L3N2Zz4=';
-
-  /**
-   * Whether or not to show a box shadow around the widget div. This is only a
-   * feature of full block fields.
-   * @type {boolean}
-   */
-  this.FIELD_TEXTINPUT_BOX_SHADOW = false;
-
-  /**
-   * Whether or not the colour field should display its colour value on the
-   * entire block.
-   * @type {boolean}
-   */
-  this.FIELD_COLOUR_FULL_BLOCK = false;
-
-  /**
-   * A colour field's default width.
-   * @type {number}
-   */
-  this.FIELD_COLOUR_DEFAULT_WIDTH = 26;
-
-  /**
-   * A colour field's default height.
-   * @type {number}
-   */
-  this.FIELD_COLOUR_DEFAULT_HEIGHT = this.FIELD_BORDER_RECT_HEIGHT;
-
-  /**
-   * A checkbox field's X offset.
-   * @type {number}
-   */
-  this.FIELD_CHECKBOX_X_OFFSET = this.FIELD_BORDER_RECT_X_PADDING - 3;
-
-  /**
-   * A random identifier used to ensure a unique ID is used for each
-   * filter/pattern for the case of multiple Blockly instances on a page.
-   * @type {string}
-   * @package
-   */
-  this.randomIdentifier = String(Math.random()).substring(2);
-
-  /**
-   * The ID of the emboss filter, or the empty string if no filter is set.
-   * @type {string}
-   * @package
-   */
-  this.embossFilterId = '';
-
-  /**
-   * The <filter> element to use for highlighting, or null if not set.
-   * @type {SVGElement}
-   * @private
-   */
-  this.embossFilter_ = null;
-
-  /**
-   * The ID of the disabled pattern, or the empty string if no pattern is set.
-   * @type {string}
-   * @package
-   */
-  this.disabledPatternId = '';
-
-  /**
-   * The <pattern> element to use for disabled blocks, or null if not set.
-   * @type {SVGElement}
-   * @private
-   */
-  this.disabledPattern_ = null;
-
-  /**
-   * The ID of the debug filter, or the empty string if no pattern is set.
-   * @type {string}
-   * @package
-   */
-  this.debugFilterId = '';
-
-  /**
-   * The <filter> element to use for a debug highlight, or null if not set.
-   * @type {SVGElement}
-   * @private
-   */
-  this.debugFilter_ = null;
-
-  /**
-   * The <style> element to use for injecting renderer specific CSS.
-   * @type {HTMLStyleElement}
-   * @private
-   */
-  this.cssNode_ = null;
-
-  /**
-   * Cursor colour.
-   * @type {string}
-   * @package
-   */
-  this.CURSOR_COLOUR = '#cc0a0a';
-
-  /**
-   * Immovable marker colour.
-   * @type {string}
-   * @package
-   */
-  this.MARKER_COLOUR = '#4286f4';
-
-  /**
-   * Width of the horizontal cursor.
-   * @type {number}
-   * @package
-   */
-  this.CURSOR_WS_WIDTH = 100;
-
-  /**
-   * Height of the horizontal cursor.
-   * @type {number}
-   * @package
-   */
-  this.WS_CURSOR_HEIGHT = 5;
-
-  /**
-   * Padding around a stack.
-   * @type {number}
-   * @package
-   */
-  this.CURSOR_STACK_PADDING = 10;
-
-  /**
-   * Padding around a block.
-   * @type {number}
-   * @package
-   */
-  this.CURSOR_BLOCK_PADDING = 2;
-
-  /**
-   * Stroke of the cursor.
-   * @type {number}
-   * @package
-   */
-  this.CURSOR_STROKE_WIDTH = 4;
-
-  /**
-   * Whether text input and colour fields fill up the entire source block.
-   * @type {boolean}
-   * @package
-   */
-  this.FULL_BLOCK_FIELDS = false;
-
-  /**
-   * The main colour of insertion markers, in hex.  The block is rendered a
-   * transparent grey by changing the fill opacity in CSS.
-   * @type {string}
-   * @package
-   */
-  this.INSERTION_MARKER_COLOUR = '#000000';
-
-  /**
-   * The insertion marker opacity.
-   * @type {number}
-   * @package
-   */
-  this.INSERTION_MARKER_OPACITY = 0.2;
-
-  /**
-   * Enum for connection shapes.
-   * @enum {number}
-   */
-  this.SHAPES = {
-    PUZZLE: 1,
-    NOTCH: 2
-  };
-};
-
-/**
- * Initialize shape objects based on the constants set in the constructor.
- * @package
- */
-Blockly.blockRendering.ConstantProvider.prototype.init = function() {
-
-  /**
-   * An object containing sizing and path information about collapsed block
-   * indicators.
-   * @type {!Object}
-   */
-  this.JAGGED_TEETH = this.makeJaggedTeeth();
-
-  /**
-   * An object containing sizing and path information about notches.
-   * @type {!Object}
-   */
-  this.NOTCH = this.makeNotch();
-
-  /**
-   * An object containing sizing and path information about start hats
-   * @type {!Object}
-   */
-  this.START_HAT = this.makeStartHat();
-
-  /**
-   * An object containing sizing and path information about puzzle tabs.
-   * @type {!Object}
-   */
-  this.PUZZLE_TAB = this.makePuzzleTab();
-
-  /**
-   * An object containing sizing and path information about inside corners
-   * @type {!Object}
-   */
-  this.INSIDE_CORNERS = this.makeInsideCorners();
-
-  /**
-   * An object containing sizing and path information about outside corners.
-   * @type {!Object}
-   */
-  this.OUTSIDE_CORNERS = this.makeOutsideCorners();
-};
-
-/**
- * Refresh constants properties that depend on the theme.
- * @param {!Blockly.Theme} theme The current workspace theme.
- * @package
- */
-Blockly.blockRendering.ConstantProvider.prototype.setTheme = function(
-    theme) {
-
-  /**
-   * The block styles map.
-   * @type {Object.<string, Blockly.Theme.BlockStyle>}
-   * @package
-   */
-  this.blockStyles = {};
-
-  var blockStyles = theme.blockStyles;
-  for (var key in blockStyles) {
-    this.blockStyles[key] = this.validatedBlockStyle_(blockStyles[key]);
-  }
-
-  this.setDynamicProperties_(theme);
-};
-
-/**
- * Sets dynamic properties that depend on other values or theme properties.
- * @param {!Blockly.Theme} theme The current workspace theme.
- * @protected
- */
-Blockly.blockRendering.ConstantProvider.prototype.setDynamicProperties_ =
-    function(theme) {
-    /* eslint-disable indent */
-  this.setFontConstants_(theme);
-  this.setComponentConstants_(theme);
-
-  this.ADD_START_HATS = theme.startHats != null ? theme.startHats :
-      this.ADD_START_HATS;
-}; /* eslint-enable indent */
-
-/**
- * Set constants related to fonts.
- * @param {!Blockly.Theme} theme The current workspace theme.
- * @protected
- */
-Blockly.blockRendering.ConstantProvider.prototype.setFontConstants_ = function(
-    theme) {
-  this.FIELD_TEXT_FONTFAMILY =
-      theme.fontStyle && theme.fontStyle['family'] != undefined ?
-      theme.fontStyle['family'] : this.FIELD_TEXT_FONTFAMILY;
-  this.FIELD_TEXT_FONTWEIGHT =
-      theme.fontStyle && theme.fontStyle['weight'] != undefined ?
-      theme.fontStyle['weight'] : this.FIELD_TEXT_FONTWEIGHT;
-  this.FIELD_TEXT_FONTSIZE =
-      theme.fontStyle && theme.fontStyle['size'] != undefined ?
-      theme.fontStyle['size'] : this.FIELD_TEXT_FONTSIZE;
-
-  var fontMetrics = Blockly.utils.dom.measureFontMetrics('Hg',
-      this.FIELD_TEXT_FONTSIZE + 'pt',
-      this.FIELD_TEXT_FONTWEIGHT,
-      this.FIELD_TEXT_FONTFAMILY);
-
-  this.FIELD_TEXT_HEIGHT = fontMetrics.height;
-  this.FIELD_TEXT_BASELINE = fontMetrics.baseline;
-};
-
-/**
- * Set constants from a theme's component styles.
- * @param {!Blockly.Theme} theme The current workspace theme.
- * @protected
- */
-Blockly.blockRendering.ConstantProvider.prototype.setComponentConstants_ =
-    function(theme) {
-    /* eslint-disable indent */
-  this.CURSOR_COLOUR = theme.getComponentStyle('cursorColour') ||
-    this.CURSOR_COLOUR;
-  this.MARKER_COLOUR = theme.getComponentStyle('markerColour') ||
-    this.MARKER_COLOUR;
-  this.INSERTION_MARKER_COLOUR =
-    theme.getComponentStyle('insertionMarkerColour') ||
-    this.INSERTION_MARKER_COLOUR;
-  this.INSERTION_MARKER_OPACITY =
-    Number(theme.getComponentStyle('insertionMarkerOpacity')) ||
-    this.INSERTION_MARKER_OPACITY;
-}; /* eslint-enable indent */
-
-/**
- * Get or create a block style based on a single colour value.  Generate a name
- * for the style based on the colour.
- * @param {string} colour #RRGGBB colour string.
- * @return {{style: !Blockly.Theme.BlockStyle, name: string}} An object
- *     containing the style and an autogenerated name for that style.
- * @package
- */
-Blockly.blockRendering.ConstantProvider.prototype.getBlockStyleForColour =
-    function(colour) {
-    /* eslint-disable indent */
-  var name = 'auto_' + colour;
-  if (!this.blockStyles[name]) {
-    this.blockStyles[name] = this.createBlockStyle_(colour);
-  }
-  return {style: this.blockStyles[name], name: name};
-}; /* eslint-enable indent */
-
-/**
- * Gets the BlockStyle for the given block style name.
- * @param {?string} blockStyleName The name of the block style.
- * @return {!Blockly.Theme.BlockStyle} The named block style, or a default style
- *     if no style with the given name was found.
- */
-Blockly.blockRendering.ConstantProvider.prototype.getBlockStyle = function(
-    blockStyleName) {
-  return this.blockStyles[blockStyleName || ''] ||
-      (blockStyleName && blockStyleName.indexOf('auto_') == 0 ?
-        this.getBlockStyleForColour(blockStyleName.substring(5)).style :
-        this.createBlockStyle_('#000000'));
-};
-
-/**
- * Create a block style object based on the given colour.
- * @param {string} colour #RRGGBB colour string.
- * @return {!Blockly.Theme.BlockStyle} A populated block style based on the
- *     given colour.
- * @protected
- */
-Blockly.blockRendering.ConstantProvider.prototype.createBlockStyle_ = function(
-    colour) {
-  return this.validatedBlockStyle_({
-    'colourPrimary': colour
-  });
-};
-
-/**
- * Get a full block style object based on the input style object.  Populate
- * any missing values.
- * @param {{
- *     colourPrimary:string,
- *     colourSecondary:(string|undefined),
- *     colourTertiary:(string|undefined),
- *     hat:(string|undefined)
- * }} blockStyle A full or partial block style object.
-
- * @return {!Blockly.Theme.BlockStyle} A full block style object, with all
- *     required properties populated.
- * @protected
- */
-Blockly.blockRendering.ConstantProvider.prototype.validatedBlockStyle_ =
-    function(blockStyle) {
-    /* eslint-disable indent */
-  // Make a new object with all of the same properties.
-  var valid = /** @type {!Blockly.Theme.BlockStyle} */ ({});
-  if (blockStyle) {
-    Blockly.utils.object.mixin(valid, blockStyle);
-  }
-  // Validate required properties.
-  var parsedColour = Blockly.utils.parseBlockColour(
-      valid['colourPrimary'] || '#000');
-  valid.colourPrimary = parsedColour.hex;
-  valid.colourSecondary = valid['colourSecondary'] ?
-      Blockly.utils.parseBlockColour(valid['colourSecondary']).hex :
-      this.generateSecondaryColour_(valid.colourPrimary);
-  valid.colourTertiary = valid['colourTertiary'] ?
-      Blockly.utils.parseBlockColour(valid['colourTertiary']).hex :
-      this.generateTertiaryColour_(valid.colourPrimary);
-
-  valid.hat = valid['hat'] || '';
-  return valid;
-}; /* eslint-enable indent */
-
-/**
- * Generate a secondary colour from the passed in primary colour.
- * @param {string} colour Primary colour.
- * @return {string} The generated secondary colour.
- * @protected
- */
-Blockly.blockRendering.ConstantProvider.prototype.generateSecondaryColour_ =
-    function(colour) {
-    /* eslint-disable indent */
-  return Blockly.utils.colour.blend('#fff', colour, 0.6) || colour;
-}; /* eslint-enable indent */
-
-/**
- * Generate a tertiary colour from the passed in primary colour.
- * @param {string} colour Primary colour.
- * @return {string} The generated tertiary colour.
- * @protected
- */
-Blockly.blockRendering.ConstantProvider.prototype.generateTertiaryColour_ =
-    function(colour) {
-    /* eslint-disable indent */
-  return Blockly.utils.colour.blend('#fff', colour, 0.3) || colour;
-}; /* eslint-enable indent */
-
-
-/**
- * Dispose of this constants provider.
- * Delete all DOM elements that this provider created.
- * @package
- */
-Blockly.blockRendering.ConstantProvider.prototype.dispose = function() {
-  if (this.embossFilter_) {
-    Blockly.utils.dom.removeNode(this.embossFilter_);
-  }
-  if (this.disabledPattern_) {
-    Blockly.utils.dom.removeNode(this.disabledPattern_);
-  }
-  if (this.debugFilter_) {
-    Blockly.utils.dom.removeNode(this.debugFilter_);
-  }
-  this.cssNode_ = null;
-};
-
-/**
- * @return {!Object} An object containing sizing and path information about
- *     collapsed block indicators.
- * @package
- */
-Blockly.blockRendering.ConstantProvider.prototype.makeJaggedTeeth = function() {
-  var height = this.JAGGED_TEETH_HEIGHT;
-  var width = this.JAGGED_TEETH_WIDTH;
-
-  var mainPath =
-      Blockly.utils.svgPaths.line(
-          [
-            Blockly.utils.svgPaths.point(width, height / 4),
-            Blockly.utils.svgPaths.point(-width * 2, height / 2),
-            Blockly.utils.svgPaths.point(width, height / 4)
-          ]);
-  return {
-    height: height,
-    width: width,
-    path: mainPath
-  };
-};
-
-/**
- * @return {!Object} An object containing sizing and path information about
- *     start hats.
- * @package
- */
-Blockly.blockRendering.ConstantProvider.prototype.makeStartHat = function() {
-  var height = this.START_HAT_HEIGHT;
-  var width = this.START_HAT_WIDTH;
-
-  var mainPath =
-      Blockly.utils.svgPaths.curve('c',
-          [
-            Blockly.utils.svgPaths.point(30, -height),
-            Blockly.utils.svgPaths.point(70, -height),
-            Blockly.utils.svgPaths.point(width, 0)
-          ]);
-  return {
-    height: height,
-    width: width,
-    path: mainPath
-  };
-};
-
-/**
- * @return {!Object} An object containing sizing and path information about
- *     puzzle tabs.
- * @package
- */
-Blockly.blockRendering.ConstantProvider.prototype.makePuzzleTab = function() {
-  var width = this.TAB_WIDTH;
-  var height = this.TAB_HEIGHT;
-
-  // The main path for the puzzle tab is made out of a few curves (c and s).
-  // Those curves are defined with relative positions.  The 'up' and 'down'
-  // versions of the paths are the same, but the Y sign flips.  Forward and back
-  // are the signs to use to move the cursor in the direction that the path is
-  // being drawn.
-  function makeMainPath(up) {
-    var forward = up ? -1 : 1;
-    var back = -forward;
-
-    var overlap = 2.5;
-    var halfHeight = height / 2;
-    var control1Y = halfHeight + overlap;
-    var control2Y = halfHeight + 0.5;
-    var control3Y = overlap; // 2.5
-
-    var endPoint1 = Blockly.utils.svgPaths.point(-width, forward * halfHeight);
-    var endPoint2 = Blockly.utils.svgPaths.point(width, forward * halfHeight);
-
-    return Blockly.utils.svgPaths.curve('c',
-        [
-          Blockly.utils.svgPaths.point(0, forward * control1Y),
-          Blockly.utils.svgPaths.point(-width, back * control2Y),
-          endPoint1
-        ]) +
-        Blockly.utils.svgPaths.curve('s',
-            [
-              Blockly.utils.svgPaths.point(width, back * control3Y),
-              endPoint2
-            ]);
-  }
-
-  // c 0,-10  -8,8  -8,-7.5  s 8,2.5  8,-7.5
-  var pathUp = makeMainPath(true);
-  // c 0,10  -8,-8  -8,7.5  s 8,-2.5  8,7.5
-  var pathDown = makeMainPath(false);
-
-  return {
-    type: this.SHAPES.PUZZLE,
-    width: width,
-    height: height,
-    pathDown: pathDown,
-    pathUp: pathUp
-  };
-};
-
-/**
- * @return {!Object} An object containing sizing and path information about
- *     notches.
- * @package
- */
-Blockly.blockRendering.ConstantProvider.prototype.makeNotch = function() {
-  var width = this.NOTCH_WIDTH;
-  var height = this.NOTCH_HEIGHT;
-  var innerWidth = 3;
-  var outerWidth = (width - innerWidth) / 2;
-  function makeMainPath(dir) {
-    return Blockly.utils.svgPaths.line(
-        [
-          Blockly.utils.svgPaths.point(dir * outerWidth, height),
-          Blockly.utils.svgPaths.point(dir * innerWidth, 0),
-          Blockly.utils.svgPaths.point(dir * outerWidth, -height)
-        ]);
-  }
-  var pathLeft = makeMainPath(1);
-  var pathRight = makeMainPath(-1);
-
-  return {
-    type: this.SHAPES.NOTCH,
-    width: width,
-    height: height,
-    pathLeft: pathLeft,
-    pathRight: pathRight
-  };
-};
-
-/**
- * @return {!Object} An object containing sizing and path information about
- *     inside corners.
- * @package
- */
-Blockly.blockRendering.ConstantProvider.prototype.makeInsideCorners = function() {
-  var radius = this.CORNER_RADIUS;
-
-  var innerTopLeftCorner = Blockly.utils.svgPaths.arc('a', '0 0,0', radius,
-      Blockly.utils.svgPaths.point(-radius, radius));
-
-  var innerBottomLeftCorner = Blockly.utils.svgPaths.arc('a', '0 0,0', radius,
-      Blockly.utils.svgPaths.point(radius, radius));
-
-  return {
-    width: radius,
-    height: radius,
-    pathTop: innerTopLeftCorner,
-    pathBottom: innerBottomLeftCorner
-  };
-};
-
-/**
- * @return {!Object} An object containing sizing and path information about
- *     outside corners.
- * @package
- */
-Blockly.blockRendering.ConstantProvider.prototype.makeOutsideCorners = function() {
-  var radius = this.CORNER_RADIUS;
-  /**
-   * SVG path for drawing the rounded top-left corner.
-   * @const
-   */
-  var topLeft =
-      Blockly.utils.svgPaths.moveBy(0, radius) +
-      Blockly.utils.svgPaths.arc('a', '0 0,1', radius,
-          Blockly.utils.svgPaths.point(radius, -radius));
-
-  /**
-   * SVG path for drawing the rounded top-right corner.
-   * @const
-   */
-  var topRight =
-      Blockly.utils.svgPaths.arc('a', '0 0,1', radius,
-          Blockly.utils.svgPaths.point(radius, radius));
-
-  /**
-   * SVG path for drawing the rounded bottom-left corner.
-   * @const
-   */
-  var bottomLeft = Blockly.utils.svgPaths.arc('a', '0 0,1', radius,
-      Blockly.utils.svgPaths.point(-radius, -radius));
-
-  /**
-   * SVG path for drawing the rounded bottom-right corner.
-   * @const
-   */
-  var bottomRight = Blockly.utils.svgPaths.arc('a', '0 0,1', radius,
-      Blockly.utils.svgPaths.point(-radius, radius));
-
-  return {
-    topLeft: topLeft,
-    topRight: topRight,
-    bottomRight: bottomRight,
-    bottomLeft: bottomLeft,
-    rightHeight: radius
-  };
-};
-
-/**
- * Get an object with connection shape and sizing information based on the type
- * of the connection.
- * @param {!Blockly.RenderedConnection} connection The connection to find a
- *     shape object for
- * @return {!Object} The shape object for the connection.
- * @package
- */
-Blockly.blockRendering.ConstantProvider.prototype.shapeFor = function(
-    connection) {
-  switch (connection.type) {
-    case Blockly.INPUT_VALUE:
-    case Blockly.OUTPUT_VALUE:
-      return this.PUZZLE_TAB;
-    case Blockly.PREVIOUS_STATEMENT:
-    case Blockly.NEXT_STATEMENT:
-      return this.NOTCH;
-    default:
-      throw Error('Unknown connection type');
-  }
-};
-
-/**
- * Create any DOM elements that this renderer needs (filters, patterns, etc).
- * @param {!SVGElement} svg The root of the workspace's SVG.
- * @param {string} tagName The name to use for the CSS style tag.
- * @param {string} selector The CSS selector to use.
- * @suppress {strictModuleDepCheck} Debug renderer only included in playground.
- * @package
- */
-Blockly.blockRendering.ConstantProvider.prototype.createDom = function(svg,
-    tagName, selector) {
-  this.injectCSS_(tagName, selector);
-
-  /*
-  <defs>
-    ... filters go here ...
-  </defs>
-  */
-  var defs = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.DEFS, {}, svg);
-  /*
-    <filter id="blocklyEmbossFilter837493">
-      <feGaussianBlur in="SourceAlpha" stdDeviation="1" result="blur" />
-      <feSpecularLighting in="blur" surfaceScale="1" specularConstant="0.5"
-                          specularExponent="10" lighting-color="white"
-                          result="specOut">
-        <fePointLight x="-5000" y="-10000" z="20000" />
-      </feSpecularLighting>
-      <feComposite in="specOut" in2="SourceAlpha" operator="in"
-                   result="specOut" />
-      <feComposite in="SourceGraphic" in2="specOut" operator="arithmetic"
-                   k1="0" k2="1" k3="1" k4="0" />
-    </filter>
-  */
-  var embossFilter = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FILTER,
-      {'id': 'blocklyEmbossFilter' + this.randomIdentifier}, defs);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FEGAUSSIANBLUR,
-      {'in': 'SourceAlpha', 'stdDeviation': 1, 'result': 'blur'}, embossFilter);
-  var feSpecularLighting = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FESPECULARLIGHTING,
-      {
-        'in': 'blur',
-        'surfaceScale': 1,
-        'specularConstant': 0.5,
-        'specularExponent': 10,
-        'lighting-color': 'white',
-        'result': 'specOut'
-      },
-      embossFilter);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FEPOINTLIGHT,
-      {'x': -5000, 'y': -10000, 'z': 20000}, feSpecularLighting);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FECOMPOSITE,
-      {
-        'in': 'specOut',
-        'in2': 'SourceAlpha',
-        'operator': 'in',
-        'result': 'specOut'
-      }, embossFilter);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FECOMPOSITE,
-      {
-        'in': 'SourceGraphic',
-        'in2': 'specOut',
-        'operator': 'arithmetic',
-        'k1': 0,
-        'k2': 1,
-        'k3': 1,
-        'k4': 0
-      }, embossFilter);
-  this.embossFilterId = embossFilter.id;
-  this.embossFilter_ = embossFilter;
-
-  /*
-    <pattern id="blocklyDisabledPattern837493" patternUnits="userSpaceOnUse"
-             width="10" height="10">
-      <rect width="10" height="10" fill="#aaa" />
-      <path d="M 0 0 L 10 10 M 10 0 L 0 10" stroke="#cc0" />
-    </pattern>
-  */
-  var disabledPattern = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATTERN,
-      {
-        'id': 'blocklyDisabledPattern' + this.randomIdentifier,
-        'patternUnits': 'userSpaceOnUse',
-        'width': 10,
-        'height': 10
-      }, defs);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {'width': 10, 'height': 10, 'fill': '#aaa'}, disabledPattern);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH,
-      {'d': 'M 0 0 L 10 10 M 10 0 L 0 10', 'stroke': '#cc0'}, disabledPattern);
-  this.disabledPatternId = disabledPattern.id;
-  this.disabledPattern_ = disabledPattern;
-
-  if (Blockly.blockRendering.Debug) {
-    var debugFilter = Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.FILTER,
-        {
-          'id': 'blocklyDebugFilter' + this.randomIdentifier,
-          'height': '160%',
-          'width': '180%',
-          y: '-30%',
-          x: '-40%'
-        },
-        defs);
-    // Set all gaussian blur pixels to 1 opacity before applying flood
-    var debugComponentTransfer = Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.FECOMPONENTTRANSFER, {
-          'result': 'outBlur'
-        }, debugFilter);
-    Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.FEFUNCA,
-        {
-          'type': 'table', 'tableValues': '0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1'
-        },
-        debugComponentTransfer);
-    // Color the highlight
-    Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.FEFLOOD,
-        {
-          'flood-color': '#ff0000',
-          'flood-opacity': 0.5,
-          'result': 'outColor'
-        },
-        debugFilter);
-    Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.FECOMPOSITE,
-        {
-          'in': 'outColor', 'in2': 'outBlur',
-          'operator': 'in', 'result': 'outGlow'
-        },
-        debugFilter);
-    this.debugFilterId = debugFilter.id;
-    this.debugFilter_ = debugFilter;
-  }
-};
-
-/**
- * Inject renderer specific CSS into the page.
- * @param {string} tagName The name of the style tag to use.
- * @param {string} selector The CSS selector to use.
- * @protected
- */
-Blockly.blockRendering.ConstantProvider.prototype.injectCSS_ = function(
-    tagName, selector) {
-  var cssArray = this.getCSS_(selector);
-  var cssNodeId = 'blockly-renderer-style-' + tagName;
-  this.cssNode_ =
-    /** @type {!HTMLStyleElement} */ (document.getElementById(cssNodeId));
-  var text = cssArray.join('\n');
-  if (this.cssNode_) {
-    // Already injected, update if the theme changed.
-    this.cssNode_.firstChild.textContent = text;
-    return;
-  }
-  // Inject CSS tag at start of head.
-  var cssNode =
-    /** @type {!HTMLStyleElement} */ (document.createElement('style'));
-  cssNode.id = cssNodeId;
-  var cssTextNode = document.createTextNode(text);
-  cssNode.appendChild(cssTextNode);
-  document.head.insertBefore(cssNode, document.head.firstChild);
-  this.cssNode_ = cssNode;
-};
-
-/**
- * Get any renderer specific CSS to inject when the renderer is initialized.
- * @param {string} selector CSS selector to use.
- * @return {!Array.<string>} Array of CSS strings.
- * @protected
- */
-Blockly.blockRendering.ConstantProvider.prototype.getCSS_ = function(selector) {
-  return [
-    /* eslint-disable indent */
-    // Text.
-    selector + ' .blocklyText, ',
-    selector + ' .blocklyFlyoutLabelText {',
-      'font: ' + this.FIELD_TEXT_FONTWEIGHT + ' ' +
-          this.FIELD_TEXT_FONTSIZE + 'pt ' + this.FIELD_TEXT_FONTFAMILY + ';',
-    '}',
-
-    // Fields.
-    selector + ' .blocklyText {',
-      'fill: #fff;',
-    '}',
-    selector + ' .blocklyNonEditableText>rect,',
-    selector + ' .blocklyEditableText>rect {',
-      'fill: ' + this.FIELD_BORDER_RECT_COLOUR + ';',
-      'fill-opacity: .6;',
-      'stroke: none;',
-    '}',
-    selector + ' .blocklyNonEditableText>text,',
-    selector + ' .blocklyEditableText>text {',
-      'fill: #000;',
-    '}',
-
-    // Flyout labels.
-    selector + ' .blocklyFlyoutLabelText {',
-      'fill: #000;',
-    '}',
-
-    // Bubbles.
-    selector + ' .blocklyText.blocklyBubbleText {',
-      'fill: #000;',
-    '}',
-
-    // Editable field hover.
-    selector + ' .blocklyEditableText:not(.editing):hover>rect {',
-      'stroke: #fff;',
-      'stroke-width: 2;',
-    '}',
-
-    // Text field input.
-    selector + ' .blocklyHtmlInput {',
-      'font-family: ' + this.FIELD_TEXT_FONTFAMILY + ';',
-      'font-weight: ' + this.FIELD_TEXT_FONTWEIGHT + ';',
-    '}',
-
-    // Selection highlight.
-    selector + ' .blocklySelected>.blocklyPath {',
-      'stroke: #fc3;',
-      'stroke-width: 3px;',
-    '}',
-
-    // Connection highlight.
-    selector + ' .blocklyHighlightedConnectionPath {',
-      'stroke: #fc3;',
-    '}',
-
-    // Replaceable highlight.
-    selector + ' .blocklyReplaceable .blocklyPath {',
-      'fill-opacity: .5;',
-    '}',
-    selector + ' .blocklyReplaceable .blocklyPathLight,',
-    selector + ' .blocklyReplaceable .blocklyPathDark {',
-      'display: none;',
-    '}',
-
-    // Insertion marker.
-    selector + ' .blocklyInsertionMarker>.blocklyPath {',
-      'fill-opacity: ' + this.INSERTION_MARKER_OPACITY + ';',
-      'stroke: none;',
-    '}',
-    /* eslint-enable indent */
-  ];
-};
diff --git a/core/renderers/common/constants.ts b/core/renderers/common/constants.ts
new file mode 100644
index 00000000000..078fc01d648
--- /dev/null
+++ b/core/renderers/common/constants.ts
@@ -0,0 +1,1195 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.ConstantProvider
+
+import {ConnectionType} from '../../connection_type.js';
+import type {RenderedConnection} from '../../rendered_connection.js';
+import type {BlockStyle, Theme} from '../../theme.js';
+import * as colour from '../../utils/colour.js';
+import * as dom from '../../utils/dom.js';
+import * as parsing from '../../utils/parsing.js';
+import {Svg} from '../../utils/svg.js';
+import * as svgPaths from '../../utils/svg_paths.js';
+
+/** An object containing sizing and path information about outside corners. */
+export interface OutsideCorners {
+  topLeft: string;
+  topRight: string;
+  bottomRight: string;
+  bottomLeft: string;
+  rightHeight: number;
+}
+
+/** An object containing sizing and path information about inside corners. */
+export interface InsideCorners {
+  width: number;
+  height: number;
+  pathTop: string;
+  pathBottom: string;
+}
+
+/** An object containing sizing and path information about a start hat. */
+export interface StartHat {
+  height: number;
+  width: number;
+  path: string;
+}
+
+/** An object containing sizing and path information about a notch. */
+export interface Notch {
+  type: number;
+  width: number;
+  height: number;
+  pathLeft: string;
+  pathRight: string;
+}
+
+/** An object containing sizing and path information about a puzzle tab. */
+export interface PuzzleTab {
+  type: number;
+  width: number;
+  height: number;
+  pathDown: string;
+  pathUp: string;
+}
+
+/**
+ * An object containing sizing and path information about collapsed block
+ * indicators.
+ */
+export interface JaggedTeeth {
+  height: number;
+  width: number;
+  path: string;
+}
+
+export type BaseShape = {
+  type: number;
+  width: number;
+  height: number;
+};
+
+/** An object containing sizing and type information about a dynamic shape. */
+export type DynamicShape = {
+  type: number;
+  width: (p1: number) => number;
+  height: (p1: number) => number;
+  isDynamic: true;
+  connectionOffsetY: (p1: number) => number;
+  connectionOffsetX: (p1: number) => number;
+  pathDown: (p1: number) => string;
+  pathUp: (p1: number) => string;
+  pathRightDown: (p1: number) => string;
+  pathRightUp: (p1: number) => string;
+};
+
+/** An object containing sizing and type information about a shape. */
+export type Shape = BaseShape | DynamicShape;
+
+/**
+ * Returns whether the shape is dynamic or not.
+ *
+ * @param shape The shape to check for dynamic-ness.
+ * @returns Whether the shape is a dynamic shape or not.
+ */
+export function isDynamicShape(shape: Shape): shape is DynamicShape {
+  return (shape as DynamicShape).isDynamic;
+}
+
+/** Returns whether the shape is a puzzle tab or not. */
+export function isPuzzleTab(shape: Shape): shape is PuzzleTab {
+  return (
+    (shape as PuzzleTab).pathDown !== undefined &&
+    (shape as PuzzleTab).pathUp !== undefined
+  );
+}
+
+/** Returns whether the shape is a notch or not. */
+export function isNotch(shape: Shape): shape is Notch {
+  return (
+    (shape as Notch).pathLeft !== undefined &&
+    (shape as Notch).pathRight !== undefined
+  );
+}
+
+/**
+ * An object that provides constants for rendering blocks.
+ */
+export class ConstantProvider {
+  /** The size of an empty spacer. */
+  NO_PADDING = 0;
+
+  /** The size of small padding. */
+  SMALL_PADDING = 3;
+
+  /** The size of medium padding. */
+  MEDIUM_PADDING = 5;
+
+  /** The size of medium-large padding. */
+  MEDIUM_LARGE_PADDING = 8;
+
+  /** The size of large padding. */
+  LARGE_PADDING = 10;
+  TALL_INPUT_FIELD_OFFSET_Y: number;
+
+  /** The height of the puzzle tab used for input and output connections. */
+  TAB_HEIGHT = 15;
+
+  /**
+   * The offset from the top of the block at which a puzzle tab is positioned.
+   */
+  TAB_OFFSET_FROM_TOP = 5;
+
+  /**
+   * Vertical overlap of the puzzle tab, used to make it look more like a
+   * puzzle piece.
+   */
+  TAB_VERTICAL_OVERLAP = 2.5;
+
+  /** The width of the puzzle tab used for input and output connections. */
+  TAB_WIDTH = 8;
+
+  /** The width of the notch used for previous and next connections. */
+  NOTCH_WIDTH = 15;
+
+  /** The height of the notch used for previous and next connections. */
+  NOTCH_HEIGHT = 4;
+
+  /** The minimum width of the block. */
+  MIN_BLOCK_WIDTH = 12;
+  EMPTY_BLOCK_SPACER_HEIGHT = 16;
+  DUMMY_INPUT_MIN_HEIGHT: number;
+  DUMMY_INPUT_SHADOW_MIN_HEIGHT: number;
+
+  /** Rounded corner radius. */
+  CORNER_RADIUS = 8;
+
+  /**
+   * Offset from the left side of a block or the inside of a statement input
+   * to the left side of the notch.
+   */
+  NOTCH_OFFSET_LEFT = 15;
+  STATEMENT_INPUT_NOTCH_OFFSET: number;
+
+  STATEMENT_BOTTOM_SPACER = 0;
+  STATEMENT_INPUT_PADDING_LEFT = 20;
+
+  /** Vertical padding between consecutive statement inputs. */
+  BETWEEN_STATEMENT_PADDING_Y = 4;
+  TOP_ROW_MIN_HEIGHT: number;
+  TOP_ROW_PRECEDES_STATEMENT_MIN_HEIGHT: number;
+  BOTTOM_ROW_MIN_HEIGHT: number;
+  BOTTOM_ROW_AFTER_STATEMENT_MIN_HEIGHT: number;
+
+  /**
+   * Whether to add a 'hat' on top of all blocks with no previous or output
+   * connections. Can be overridden by 'hat' property on Theme.BlockStyle.
+   */
+  ADD_START_HATS = false;
+
+  /** Height of the top hat. */
+  START_HAT_HEIGHT = 15;
+
+  /** Width of the top hat. */
+  START_HAT_WIDTH = 100;
+
+  SPACER_DEFAULT_HEIGHT = 15;
+
+  MIN_BLOCK_HEIGHT = 24;
+
+  EMPTY_INLINE_INPUT_PADDING = 14.5;
+  EMPTY_INLINE_INPUT_HEIGHT: number;
+
+  EXTERNAL_VALUE_INPUT_PADDING = 2;
+  EMPTY_STATEMENT_INPUT_HEIGHT: number;
+  START_POINT: string;
+
+  /** Height of SVG path for jagged teeth at the end of collapsed blocks. */
+  JAGGED_TEETH_HEIGHT = 12;
+
+  /** Width of SVG path for jagged teeth at the end of collapsed blocks. */
+  JAGGED_TEETH_WIDTH = 6;
+
+  /** Point size of text. */
+  FIELD_TEXT_FONTSIZE = 11;
+
+  /** Text font weight. */
+  FIELD_TEXT_FONTWEIGHT = 'normal';
+
+  /** Text font family. */
+  FIELD_TEXT_FONTFAMILY = 'sans-serif';
+
+  /**
+   * Height of text.  This constant is dynamically set in
+   * `setFontConstants_` to be the height of the text based on the font
+   * used.
+   */
+  FIELD_TEXT_HEIGHT = -1; // Dynamically set.
+
+  /**
+   * Text baseline.  This constant is dynamically set in `setFontConstants_`
+   * to be the baseline of the text based on the font used.
+   */
+  FIELD_TEXT_BASELINE = -1; // Dynamically set.
+
+  /** A field's border rect corner radius. */
+  FIELD_BORDER_RECT_RADIUS = 4;
+
+  /** A field's border rect default height. */
+  FIELD_BORDER_RECT_HEIGHT = 16;
+
+  /** A field's border rect X padding. */
+  FIELD_BORDER_RECT_X_PADDING = 5;
+
+  /** A field's border rect Y padding. */
+  FIELD_BORDER_RECT_Y_PADDING = 3;
+
+  /**
+   * The backing colour of a field's border rect.
+   */
+  FIELD_BORDER_RECT_COLOUR = '#fff';
+  FIELD_TEXT_BASELINE_CENTER: boolean;
+  FIELD_DROPDOWN_BORDER_RECT_HEIGHT: number;
+
+  /**
+   * Whether or not a dropdown field should add a border rect when in a shadow
+   * block.
+   */
+  FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW = false;
+
+  /**
+   * Whether or not a dropdown field's div should be coloured to match the
+   * block colours.
+   */
+  FIELD_DROPDOWN_COLOURED_DIV = false;
+
+  /** Whether or not a dropdown field uses a text or SVG arrow. */
+  FIELD_DROPDOWN_SVG_ARROW = false;
+  FIELD_DROPDOWN_SVG_ARROW_PADDING: number;
+
+  /** A dropdown field's SVG arrow size. */
+  FIELD_DROPDOWN_SVG_ARROW_SIZE = 12;
+  FIELD_DROPDOWN_SVG_ARROW_DATAURI: string;
+
+  /**
+   * Whether or not to show a box shadow around the widget div. This is only a
+   * feature of full block fields.
+   */
+  FIELD_TEXTINPUT_BOX_SHADOW = false;
+
+  /**
+   * Whether or not the colour field should display its colour value on the
+   * entire block.
+   */
+  FIELD_COLOUR_FULL_BLOCK = false;
+
+  /** A colour field's default width. */
+  FIELD_COLOUR_DEFAULT_WIDTH = 26;
+  FIELD_COLOUR_DEFAULT_HEIGHT: number;
+  FIELD_CHECKBOX_X_OFFSET: number;
+  randomIdentifier: string;
+
+  /**
+   * The defs tag that contains all filters and patterns for this Blockly
+   * instance.
+   */
+  private defs: SVGElement | null = null;
+
+  /**
+   * The ID of the emboss filter, or the empty string if no filter is set.
+   */
+  embossFilterId = '';
+
+  /** The <filter> element to use for highlighting, or null if not set. */
+  private embossFilter: SVGElement | null = null;
+
+  /**
+   * The ID of the disabled pattern, or the empty string if no pattern is set.
+   */
+  disabledPatternId = '';
+
+  /**
+   * The <pattern> element to use for disabled blocks, or null if not set.
+   */
+  private disabledPattern: SVGElement | null = null;
+
+  /**
+   * The ID of the debug filter, or the empty string if no pattern is set.
+   */
+  debugFilterId = '';
+
+  /**
+   * The <filter> element to use for a debug highlight, or null if not set.
+   */
+  private debugFilter: SVGElement | null = null;
+
+  /** The <style> element to use for injecting renderer specific CSS. */
+  private cssNode: HTMLStyleElement | null = null;
+
+  /**
+   * Cursor colour.
+   */
+  CURSOR_COLOUR = '#cc0a0a';
+
+  /**
+   * Immovable marker colour.
+   */
+  MARKER_COLOUR = '#4286f4';
+
+  /**
+   * Width of the horizontal cursor.
+   */
+  CURSOR_WS_WIDTH = 100;
+
+  /**
+   * Height of the horizontal cursor.
+   */
+  WS_CURSOR_HEIGHT = 5;
+
+  /**
+   * Padding around a stack.
+   */
+  CURSOR_STACK_PADDING = 10;
+
+  /**
+   * Padding around a block.
+   */
+  CURSOR_BLOCK_PADDING = 2;
+
+  /**
+   * Stroke of the cursor.
+   */
+  CURSOR_STROKE_WIDTH = 4;
+
+  /**
+   * Whether text input and colour fields fill up the entire source block.
+   */
+  FULL_BLOCK_FIELDS = false;
+
+  /**
+   * The main colour of insertion markers, in hex.  The block is rendered a
+   * transparent grey by changing the fill opacity in CSS.
+   */
+  INSERTION_MARKER_COLOUR = '#000000';
+
+  /**
+   * The insertion marker opacity.
+   */
+  INSERTION_MARKER_OPACITY = 0.2;
+
+  SHAPES: {[key: string]: number} = {PUZZLE: 1, NOTCH: 2};
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  JAGGED_TEETH!: JaggedTeeth;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  NOTCH!: Notch;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  START_HAT!: StartHat;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  PUZZLE_TAB!: PuzzleTab;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  INSIDE_CORNERS!: InsideCorners;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  OUTSIDE_CORNERS!: OutsideCorners;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+
+  blockStyles!: {[key: string]: BlockStyle};
+
+  constructor() {
+    /**
+     * Offset from the top of the row for placing fields on inline input rows
+     * and statement input rows.
+     * Matches existing rendering (in 2019).
+     */
+    this.TALL_INPUT_FIELD_OFFSET_Y = this.MEDIUM_PADDING;
+
+    /** The minimum height of a dummy input row. */
+    this.DUMMY_INPUT_MIN_HEIGHT = this.TAB_HEIGHT;
+
+    /** The minimum height of a dummy input row in a shadow block. */
+    this.DUMMY_INPUT_SHADOW_MIN_HEIGHT = this.TAB_HEIGHT;
+
+    /**
+     * Additional offset added to the statement input's width to account for the
+     * notch.
+     */
+    this.STATEMENT_INPUT_NOTCH_OFFSET = this.NOTCH_OFFSET_LEFT;
+
+    /** The top row's minimum height. */
+    this.TOP_ROW_MIN_HEIGHT = this.MEDIUM_PADDING;
+
+    /** The top row's minimum height if it precedes a statement. */
+    this.TOP_ROW_PRECEDES_STATEMENT_MIN_HEIGHT = this.LARGE_PADDING;
+
+    /** The bottom row's minimum height. */
+    this.BOTTOM_ROW_MIN_HEIGHT = this.MEDIUM_PADDING;
+
+    /** The bottom row's minimum height if it follows a statement input. */
+    this.BOTTOM_ROW_AFTER_STATEMENT_MIN_HEIGHT = this.LARGE_PADDING;
+
+    /** The height of an empty inline input. */
+    this.EMPTY_INLINE_INPUT_HEIGHT = this.TAB_HEIGHT + 11;
+
+    /**
+     * The height of an empty statement input.  Note that in the old rendering
+     * this varies slightly depending on whether the block has external or
+     * inline inputs. In the new rendering this is consistent.  It seems
+     * unlikely that the old behaviour was intentional.
+     */
+    this.EMPTY_STATEMENT_INPUT_HEIGHT = this.MIN_BLOCK_HEIGHT;
+
+    this.START_POINT = svgPaths.moveBy(0, 0);
+
+    /**
+     * A field's text element's dominant baseline. Pre-2022 this could be false
+     * for certain browsers.
+     */
+    this.FIELD_TEXT_BASELINE_CENTER = true;
+
+    /** A dropdown field's border rect height. */
+    this.FIELD_DROPDOWN_BORDER_RECT_HEIGHT = this.FIELD_BORDER_RECT_HEIGHT;
+
+    /** A dropdown field's SVG arrow padding. */
+    this.FIELD_DROPDOWN_SVG_ARROW_PADDING = this.FIELD_BORDER_RECT_X_PADDING;
+
+    /** A dropdown field's SVG arrow datauri. */
+    this.FIELD_DROPDOWN_SVG_ARROW_DATAURI =
+      'data:image/svg+xml;base64,PHN2ZyBpZD0iTGF5ZXJfMSIgZGF0YS1uYW1lPSJMYXllci' +
+      'AxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMi43MSIgaG' +
+      'VpZ2h0PSI4Ljc5IiB2aWV3Qm94PSIwIDAgMTIuNzEgOC43OSI+PHRpdGxlPmRyb3Bkb3duLW' +
+      'Fycm93PC90aXRsZT48ZyBvcGFjaXR5PSIwLjEiPjxwYXRoIGQ9Ik0xMi43MSwyLjQ0QTIuND' +
+      'EsMi40MSwwLDAsMSwxMiw0LjE2TDguMDgsOC4wOGEyLjQ1LDIuNDUsMCwwLDEtMy40NSwwTD' +
+      'AuNzIsNC4xNkEyLjQyLDIuNDIsMCwwLDEsMCwyLjQ0LDIuNDgsMi40OCwwLDAsMSwuNzEuNz' +
+      'FDMSwwLjQ3LDEuNDMsMCw2LjM2LDBTMTEuNzUsMC40NiwxMiwuNzFBMi40NCwyLjQ0LDAsMC' +
+      'wxLDEyLjcxLDIuNDRaIiBmaWxsPSIjMjMxZjIwIi8+PC9nPjxwYXRoIGQ9Ik02LjM2LDcuNz' +
+      'lhMS40MywxLjQzLDAsMCwxLTEtLjQyTDEuNDIsMy40NWExLjQ0LDEuNDQsMCwwLDEsMC0yYz' +
+      'AuNTYtLjU2LDkuMzEtMC41Niw5Ljg3LDBhMS40NCwxLjQ0LDAsMCwxLDAsMkw3LjM3LDcuMz' +
+      'dBMS40MywxLjQzLDAsMCwxLDYuMzYsNy43OVoiIGZpbGw9IiNmZmYiLz48L3N2Zz4=';
+
+    /** A colour field's default height. */
+    this.FIELD_COLOUR_DEFAULT_HEIGHT = this.FIELD_BORDER_RECT_HEIGHT;
+
+    /** A checkbox field's X offset. */
+    this.FIELD_CHECKBOX_X_OFFSET = this.FIELD_BORDER_RECT_X_PADDING - 3;
+
+    /**
+     * A random identifier used to ensure a unique ID is used for each
+     * filter/pattern for the case of multiple Blockly instances on a page.
+     */
+    this.randomIdentifier = String(Math.random()).substring(2);
+  }
+
+  /**
+   * Initialize shape objects based on the constants set in the constructor.
+   */
+  init() {
+    /**
+     * An object containing sizing and path information about collapsed block
+     * indicators.
+     */
+    this.JAGGED_TEETH = this.makeJaggedTeeth();
+
+    /** An object containing sizing and path information about notches. */
+    this.NOTCH = this.makeNotch();
+
+    /** An object containing sizing and path information about start hats */
+    this.START_HAT = this.makeStartHat();
+
+    /**
+     * An object containing sizing and path information about puzzle tabs.
+     */
+    this.PUZZLE_TAB = this.makePuzzleTab();
+
+    /**
+     * An object containing sizing and path information about inside corners
+     */
+    this.INSIDE_CORNERS = this.makeInsideCorners();
+
+    /**
+     * An object containing sizing and path information about outside corners.
+     */
+    this.OUTSIDE_CORNERS = this.makeOutsideCorners();
+  }
+
+  /**
+   * Refresh constants properties that depend on the theme.
+   *
+   * @param theme The current workspace theme.
+   */
+  setTheme(theme: Theme) {
+    /** The block styles map. */
+    this.blockStyles = Object.create(null);
+
+    const blockStyles = theme.blockStyles;
+    for (const key in blockStyles) {
+      this.blockStyles[key] = this.validatedBlockStyle_(blockStyles[key]);
+    }
+
+    this.setDynamicProperties_(theme);
+  }
+
+  /**
+   * Sets dynamic properties that depend on other values or theme properties.
+   *
+   * @param theme The current workspace theme.
+   */
+  protected setDynamicProperties_(theme: Theme) {
+    this.setFontConstants_(theme);
+    this.setComponentConstants_(theme);
+
+    this.ADD_START_HATS =
+      theme.startHats !== undefined ? theme.startHats : this.ADD_START_HATS;
+  }
+
+  /**
+   * Set constants related to fonts.
+   *
+   * @param theme The current workspace theme.
+   */
+  protected setFontConstants_(theme: Theme) {
+    if (theme.fontStyle && theme.fontStyle['family']) {
+      this.FIELD_TEXT_FONTFAMILY = theme.fontStyle['family'];
+    }
+
+    if (theme.fontStyle && theme.fontStyle['weight']) {
+      this.FIELD_TEXT_FONTWEIGHT = theme.fontStyle['weight'];
+    }
+
+    if (theme.fontStyle && theme.fontStyle['size']) {
+      this.FIELD_TEXT_FONTSIZE = theme.fontStyle['size'];
+    }
+
+    const fontMetrics = dom.measureFontMetrics(
+      'Hg',
+      this.FIELD_TEXT_FONTSIZE + 'pt',
+      this.FIELD_TEXT_FONTWEIGHT,
+      this.FIELD_TEXT_FONTFAMILY,
+    );
+
+    this.FIELD_TEXT_HEIGHT = fontMetrics.height;
+    this.FIELD_TEXT_BASELINE = fontMetrics.baseline;
+  }
+
+  /**
+   * Set constants from a theme's component styles.
+   *
+   * @param theme The current workspace theme.
+   */
+  protected setComponentConstants_(theme: Theme) {
+    this.CURSOR_COLOUR =
+      theme.getComponentStyle('cursorColour') || this.CURSOR_COLOUR;
+    this.MARKER_COLOUR =
+      theme.getComponentStyle('markerColour') || this.MARKER_COLOUR;
+    this.INSERTION_MARKER_COLOUR =
+      theme.getComponentStyle('insertionMarkerColour') ||
+      this.INSERTION_MARKER_COLOUR;
+    this.INSERTION_MARKER_OPACITY =
+      Number(theme.getComponentStyle('insertionMarkerOpacity')) ||
+      this.INSERTION_MARKER_OPACITY;
+  }
+
+  /**
+   * Get or create a block style based on a single colour value.  Generate a
+   * name for the style based on the colour.
+   *
+   * @param colour #RRGGBB colour string.
+   * @returns An object containing the style and an autogenerated name for that
+   *     style.
+   */
+  getBlockStyleForColour(colour: string): {style: BlockStyle; name: string} {
+    const name = 'auto_' + colour;
+    if (!this.blockStyles[name]) {
+      this.blockStyles[name] = this.createBlockStyle_(colour);
+    }
+    return {style: this.blockStyles[name], name};
+  }
+
+  /**
+   * Gets the BlockStyle for the given block style name.
+   *
+   * @param blockStyleName The name of the block style.
+   * @returns The named block style, or a default style if no style with the
+   *     given name was found.
+   */
+  getBlockStyle(blockStyleName: string | null): BlockStyle {
+    return (
+      this.blockStyles[blockStyleName || ''] ||
+      (blockStyleName && blockStyleName.startsWith('auto_')
+        ? this.getBlockStyleForColour(blockStyleName.substring(5)).style
+        : this.createBlockStyle_('#000000'))
+    );
+  }
+
+  /**
+   * Create a block style object based on the given colour.
+   *
+   * @param colour #RRGGBB colour string.
+   * @returns A populated block style based on the given colour.
+   */
+  protected createBlockStyle_(colour: string): BlockStyle {
+    return this.validatedBlockStyle_({'colourPrimary': colour});
+  }
+
+  /**
+   * Get a full block style object based on the input style object.  Populate
+   * any missing values.
+   *
+   * @param blockStyle A full or partial block style object.
+   * @returns A full block style object, with all required properties populated.
+   */
+  protected validatedBlockStyle_(blockStyle: Partial<BlockStyle>): BlockStyle {
+    // Make a new object with all of the same properties.
+    const valid = {} as BlockStyle;
+    if (blockStyle) {
+      Object.assign(valid, blockStyle);
+    }
+    // Validate required properties.
+    const parsedColour = parsing.parseBlockColour(
+      valid['colourPrimary'] || '#000',
+    );
+    valid.colourPrimary = parsedColour.hex;
+    valid.colourSecondary = valid['colourSecondary']
+      ? parsing.parseBlockColour(valid['colourSecondary']).hex
+      : this.generateSecondaryColour_(valid.colourPrimary);
+    valid.colourTertiary = valid['colourTertiary']
+      ? parsing.parseBlockColour(valid['colourTertiary']).hex
+      : this.generateTertiaryColour_(valid.colourPrimary);
+
+    valid.hat = valid['hat'] || '';
+    return valid;
+  }
+
+  /**
+   * Generate a secondary colour from the passed in primary colour.
+   *
+   * @param inputColour Primary colour.
+   * @returns The generated secondary colour.
+   */
+  protected generateSecondaryColour_(inputColour: string): string {
+    return colour.blend('#fff', inputColour, 0.6) || inputColour;
+  }
+
+  /**
+   * Generate a tertiary colour from the passed in primary colour.
+   *
+   * @param inputColour Primary colour.
+   * @returns The generated tertiary colour.
+   */
+  protected generateTertiaryColour_(inputColour: string): string {
+    return colour.blend('#fff', inputColour, 0.3) || inputColour;
+  }
+
+  /**
+   * Dispose of this constants provider.
+   * Delete all DOM elements that this provider created.
+   */
+  dispose() {
+    if (this.embossFilter) {
+      dom.removeNode(this.embossFilter);
+    }
+    if (this.disabledPattern) {
+      dom.removeNode(this.disabledPattern);
+    }
+    if (this.debugFilter) {
+      dom.removeNode(this.debugFilter);
+    }
+    this.cssNode = null;
+  }
+
+  /**
+   * @returns An object containing sizing and path information about collapsed
+   *     block indicators.
+   */
+  protected makeJaggedTeeth(): JaggedTeeth {
+    const height = this.JAGGED_TEETH_HEIGHT;
+    const width = this.JAGGED_TEETH_WIDTH;
+
+    const mainPath = svgPaths.line([
+      svgPaths.point(width, height / 4),
+      svgPaths.point(-width * 2, height / 2),
+      svgPaths.point(width, height / 4),
+    ]);
+    return {height, width, path: mainPath};
+  }
+
+  /**
+   * @returns An object containing sizing and path information about start hats.
+   */
+  protected makeStartHat(): StartHat {
+    const height = this.START_HAT_HEIGHT;
+    const width = this.START_HAT_WIDTH;
+
+    const mainPath = svgPaths.curve('c', [
+      svgPaths.point(30, -height),
+      svgPaths.point(70, -height),
+      svgPaths.point(width, 0),
+    ]);
+    return {height, width, path: mainPath};
+  }
+
+  /**
+   * @returns An object containing sizing and path information about puzzle
+   *     tabs.
+   */
+  protected makePuzzleTab(): PuzzleTab {
+    const width = this.TAB_WIDTH;
+    const height = this.TAB_HEIGHT;
+
+    /**
+     * Make the main path for the puzzle tab made out of a few curves (c and s).
+     * Those curves are defined with relative positions.  The 'up' and 'down'
+     * versions of the paths are the same, but the Y sign flips.  Forward and
+     * back are the signs to use to move the cursor in the direction that the
+     * path is being drawn.
+     *
+     * @param up True if the path should be drawn from bottom to top, false
+     *     otherwise.
+     * @returns A path fragment describing a puzzle tab.
+     */
+    function makeMainPath(up: boolean): string {
+      const forward = up ? -1 : 1;
+      const back = -forward;
+
+      const overlap = 2.5;
+      const halfHeight = height / 2;
+      const control1Y = halfHeight + overlap;
+      const control2Y = halfHeight + 0.5;
+      const control3Y = overlap; // 2.5
+
+      const endPoint1 = svgPaths.point(-width, forward * halfHeight);
+      const endPoint2 = svgPaths.point(width, forward * halfHeight);
+
+      return (
+        svgPaths.curve('c', [
+          svgPaths.point(0, forward * control1Y),
+          svgPaths.point(-width, back * control2Y),
+          endPoint1,
+        ]) +
+        svgPaths.curve('s', [
+          svgPaths.point(width, back * control3Y),
+          endPoint2,
+        ])
+      );
+    }
+
+    // c 0,-10  -8,8  -8,-7.5  s 8,2.5  8,-7.5
+    const pathUp = makeMainPath(true);
+    // c 0,10  -8,-8  -8,7.5  s 8,-2.5  8,7.5
+    const pathDown = makeMainPath(false);
+
+    return {
+      type: this.SHAPES.PUZZLE,
+      width,
+      height,
+      pathDown,
+      pathUp,
+    };
+  }
+
+  /**
+   * @returns An object containing sizing and path information about notches.
+   */
+  protected makeNotch(): Notch {
+    const width = this.NOTCH_WIDTH;
+    const height = this.NOTCH_HEIGHT;
+    const innerWidth = 3;
+    const outerWidth = (width - innerWidth) / 2;
+
+    /**
+     * Make the main path for the notch.
+     *
+     * @param dir Direction multiplier to apply to horizontal offsets along the
+     *     path. Either 1 or -1.
+     * @returns A path fragment describing a notch.
+     */
+    function makeMainPath(dir: number): string {
+      return svgPaths.line([
+        svgPaths.point(dir * outerWidth, height),
+        svgPaths.point(dir * innerWidth, 0),
+        svgPaths.point(dir * outerWidth, -height),
+      ]);
+    }
+    const pathLeft = makeMainPath(1);
+    const pathRight = makeMainPath(-1);
+
+    return {
+      type: this.SHAPES.NOTCH,
+      width,
+      height,
+      pathLeft,
+      pathRight,
+    };
+  }
+
+  /**
+   * @returns An object containing sizing and path information about inside
+   *     corners.
+   */
+  protected makeInsideCorners(): InsideCorners {
+    const radius = this.CORNER_RADIUS;
+
+    const innerTopLeftCorner = svgPaths.arc(
+      'a',
+      '0 0,0',
+      radius,
+      svgPaths.point(-radius, radius),
+    );
+
+    const innerBottomLeftCorner = svgPaths.arc(
+      'a',
+      '0 0,0',
+      radius,
+      svgPaths.point(radius, radius),
+    );
+
+    return {
+      width: radius,
+      height: radius,
+      pathTop: innerTopLeftCorner,
+      pathBottom: innerBottomLeftCorner,
+    };
+  }
+
+  /**
+   * @returns An object containing sizing and path information about outside
+   *     corners.
+   */
+  protected makeOutsideCorners(): OutsideCorners {
+    const radius = this.CORNER_RADIUS;
+    /** SVG path for drawing the rounded top-left corner. */
+    const topLeft =
+      svgPaths.moveBy(0, radius) +
+      svgPaths.arc('a', '0 0,1', radius, svgPaths.point(radius, -radius));
+
+    /** SVG path for drawing the rounded top-right corner. */
+    const topRight = svgPaths.arc(
+      'a',
+      '0 0,1',
+      radius,
+      svgPaths.point(radius, radius),
+    );
+
+    /** SVG path for drawing the rounded bottom-left corner. */
+    const bottomLeft = svgPaths.arc(
+      'a',
+      '0 0,1',
+      radius,
+      svgPaths.point(-radius, -radius),
+    );
+
+    /** SVG path for drawing the rounded bottom-right corner. */
+    const bottomRight = svgPaths.arc(
+      'a',
+      '0 0,1',
+      radius,
+      svgPaths.point(-radius, radius),
+    );
+
+    return {
+      topLeft,
+      topRight,
+      bottomRight,
+      bottomLeft,
+      rightHeight: radius,
+    };
+  }
+
+  /**
+   * Get an object with connection shape and sizing information based on the
+   * type of the connection.
+   *
+   * @param connection The connection to find a shape object for
+   * @returns The shape object for the connection.
+   */
+  shapeFor(connection: RenderedConnection): Shape {
+    switch (connection.type) {
+      case ConnectionType.INPUT_VALUE:
+      case ConnectionType.OUTPUT_VALUE:
+        return this.PUZZLE_TAB;
+      case ConnectionType.PREVIOUS_STATEMENT:
+      case ConnectionType.NEXT_STATEMENT:
+        return this.NOTCH;
+      default:
+        throw Error('Unknown connection type');
+    }
+  }
+
+  /**
+   * Create any DOM elements that this renderer needs (filters, patterns, etc).
+   *
+   * @param svg The root of the workspace's SVG.
+   * @param tagName The name to use for the CSS style tag.
+   * @param selector The CSS selector to use.
+   */
+  createDom(svg: SVGElement, tagName: string, selector: string) {
+    this.injectCSS_(tagName, selector);
+
+    /*
+        <defs>
+          ... filters go here ...
+        </defs>
+        */
+    this.defs = dom.createSvgElement(Svg.DEFS, {}, svg);
+    /*
+          <filter id="blocklyEmbossFilter837493">
+            <feGaussianBlur in="SourceAlpha" stdDeviation="1" result="blur" />
+            <feSpecularLighting in="blur" surfaceScale="1"
+       specularConstant="0.5" specularExponent="10" lighting-color="white"
+                                result="specOut">
+              <fePointLight x="-5000" y="-10000" z="20000" />
+            </feSpecularLighting>
+            <feComposite in="specOut" in2="SourceAlpha" operator="in"
+                         result="specOut" />
+            <feComposite in="SourceGraphic" in2="specOut" operator="arithmetic"
+                         k1="0" k2="1" k3="1" k4="0" />
+          </filter>
+        */
+    const embossFilter = dom.createSvgElement(
+      Svg.FILTER,
+      {'id': 'blocklyEmbossFilter' + this.randomIdentifier},
+      this.defs,
+    );
+    dom.createSvgElement(
+      Svg.FEGAUSSIANBLUR,
+      {'in': 'SourceAlpha', 'stdDeviation': 1, 'result': 'blur'},
+      embossFilter,
+    );
+    const feSpecularLighting = dom.createSvgElement(
+      Svg.FESPECULARLIGHTING,
+      {
+        'in': 'blur',
+        'surfaceScale': 1,
+        'specularConstant': 0.5,
+        'specularExponent': 10,
+        'lighting-color': 'white',
+        'result': 'specOut',
+      },
+      embossFilter,
+    );
+    dom.createSvgElement(
+      Svg.FEPOINTLIGHT,
+      {'x': -5000, 'y': -10000, 'z': 20000},
+      feSpecularLighting,
+    );
+    dom.createSvgElement(
+      Svg.FECOMPOSITE,
+      {
+        'in': 'specOut',
+        'in2': 'SourceAlpha',
+        'operator': 'in',
+        'result': 'specOut',
+      },
+      embossFilter,
+    );
+    dom.createSvgElement(
+      Svg.FECOMPOSITE,
+      {
+        'in': 'SourceGraphic',
+        'in2': 'specOut',
+        'operator': 'arithmetic',
+        'k1': 0,
+        'k2': 1,
+        'k3': 1,
+        'k4': 0,
+      },
+      embossFilter,
+    );
+    this.embossFilterId = embossFilter.id;
+    this.embossFilter = embossFilter;
+
+    /*
+          <pattern id="blocklyDisabledPattern837493"
+       patternUnits="userSpaceOnUse" width="10" height="10"> <rect width="10"
+       height="10" fill="#aaa" /> <path d="M 0 0 L 10 10 M 10 0 L 0 10"
+       stroke="#cc0" />
+          </pattern>
+        */
+    const disabledPattern = dom.createSvgElement(
+      Svg.PATTERN,
+      {
+        'id': 'blocklyDisabledPattern' + this.randomIdentifier,
+        'patternUnits': 'userSpaceOnUse',
+        'width': 10,
+        'height': 10,
+      },
+      this.defs,
+    );
+    dom.createSvgElement(
+      Svg.RECT,
+      {'width': 10, 'height': 10, 'fill': '#aaa'},
+      disabledPattern,
+    );
+    dom.createSvgElement(
+      Svg.PATH,
+      {'d': 'M 0 0 L 10 10 M 10 0 L 0 10', 'stroke': '#cc0'},
+      disabledPattern,
+    );
+    this.disabledPatternId = disabledPattern.id;
+    this.disabledPattern = disabledPattern;
+
+    this.createDebugFilter();
+  }
+
+  /**
+   * Create a filter for highlighting the currently rendering block during
+   * render debugging.
+   */
+  private createDebugFilter() {
+    // Only create the debug filter once.
+    if (!this.debugFilter) {
+      const debugFilter = dom.createSvgElement(
+        Svg.FILTER,
+        {
+          'id': 'blocklyDebugFilter' + this.randomIdentifier,
+          'height': '160%',
+          'width': '180%',
+          'y': '-30%',
+          'x': '-40%',
+        },
+        this.defs,
+      );
+      // Set all gaussian blur pixels to 1 opacity before applying flood
+      const debugComponentTransfer = dom.createSvgElement(
+        Svg.FECOMPONENTTRANSFER,
+        {'result': 'outBlur'},
+        debugFilter,
+      );
+      dom.createSvgElement(
+        Svg.FEFUNCA,
+        {'type': 'table', 'tableValues': '0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1'},
+        debugComponentTransfer,
+      );
+      // Color the highlight
+      dom.createSvgElement(
+        Svg.FEFLOOD,
+        {
+          'flood-color': '#ff0000',
+          'flood-opacity': 0.5,
+          'result': 'outColor',
+        },
+        debugFilter,
+      );
+      dom.createSvgElement(
+        Svg.FECOMPOSITE,
+        {
+          'in': 'outColor',
+          'in2': 'outBlur',
+          'operator': 'in',
+          'result': 'outGlow',
+        },
+        debugFilter,
+      );
+      this.debugFilterId = debugFilter.id;
+      this.debugFilter = debugFilter;
+    }
+  }
+
+  /**
+   * Inject renderer specific CSS into the page.
+   *
+   * @param tagName The name of the style tag to use.
+   * @param selector The CSS selector to use.
+   */
+  protected injectCSS_(tagName: string, selector: string) {
+    const cssArray = this.getCSS_(selector);
+    const cssNodeId = 'blockly-renderer-style-' + tagName;
+    this.cssNode = document.getElementById(cssNodeId) as HTMLStyleElement;
+    const text = cssArray.join('\n');
+    if (this.cssNode) {
+      // Already injected, update if the theme changed.
+      this.cssNode.firstChild!.textContent = text;
+      return;
+    }
+    // Inject CSS tag at start of head.
+    const cssNode = document.createElement('style');
+    cssNode.id = cssNodeId;
+    const cssTextNode = document.createTextNode(text);
+    cssNode.appendChild(cssTextNode);
+    document.head.insertBefore(cssNode, document.head.firstChild);
+    this.cssNode = cssNode;
+  }
+
+  /**
+   * Get any renderer specific CSS to inject when the renderer is initialized.
+   *
+   * @param selector CSS selector to use.
+   * @returns Array of CSS strings.
+   */
+  protected getCSS_(selector: string): string[] {
+    // prettier-ignore
+    return [
+      // Text.
+      `${selector} .blocklyText, `,
+      `${selector} .blocklyFlyoutLabelText {`,
+        `font: ${this.FIELD_TEXT_FONTWEIGHT} ` +
+            `${this.FIELD_TEXT_FONTSIZE}pt ${this.FIELD_TEXT_FONTFAMILY};`,
+      `}`,
+
+      // Fields.
+      `${selector} .blocklyText {`,
+        `fill: #fff;`,
+      `}`,
+      `${selector} .blocklyNonEditableText>rect,`,
+      `${selector} .blocklyEditableText>rect {`,
+        `fill: ${this.FIELD_BORDER_RECT_COLOUR};`,
+        `fill-opacity: .6;`,
+        `stroke: none;`,
+      `}`,
+      `${selector} .blocklyNonEditableText>text,`,
+      `${selector} .blocklyEditableText>text {`,
+        `fill: #000;`,
+      `}`,
+
+      // Flyout labels.
+      `${selector} .blocklyFlyoutLabelText {`,
+        `fill: #000;`,
+      `}`,
+
+      // Bubbles.
+      `${selector} .blocklyText.blocklyBubbleText {`,
+        `fill: #000;`,
+      `}`,
+
+      // Editable field hover.
+      `${selector} .blocklyEditableText:not(.editing):hover>rect {`,
+        `stroke: #fff;`,
+        `stroke-width: 2;`,
+      `}`,
+
+      // Text field input.
+      `${selector} .blocklyHtmlInput {`,
+        `font-family: ${this.FIELD_TEXT_FONTFAMILY};`,
+        `font-weight: ${this.FIELD_TEXT_FONTWEIGHT};`,
+      `}`,
+
+      // Selection highlight.
+      `${selector} .blocklySelected>.blocklyPath {`,
+        `stroke: #fc3;`,
+        `stroke-width: 3px;`,
+      `}`,
+
+      // Connection highlight.
+      `${selector} .blocklyHighlightedConnectionPath {`,
+        `stroke: #fc3;`,
+      `}`,
+
+      // Replaceable highlight.
+      `${selector} .blocklyReplaceable .blocklyPath {`,
+        `fill-opacity: .5;`,
+      `}`,
+      `${selector} .blocklyReplaceable .blocklyPathLight,`,
+      `${selector} .blocklyReplaceable .blocklyPathDark {`,
+        `display: none;`,
+      `}`,
+
+      // Insertion marker.
+      `${selector} .blocklyInsertionMarker>.blocklyPath {`,
+        `fill-opacity: ${this.INSERTION_MARKER_OPACITY};`,
+        `stroke: none;`,
+      `}`,
+    ];
+  }
+}
diff --git a/core/renderers/common/debugger.js b/core/renderers/common/debugger.js
deleted file mode 100644
index adaa3b0d751..00000000000
--- a/core/renderers/common/debugger.js
+++ /dev/null
@@ -1,431 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Methods for graphically rendering a block as SVG.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.blockRendering.Debug');
-
-goog.require('Blockly.blockRendering.BottomRow');
-goog.require('Blockly.blockRendering.InputRow');
-goog.require('Blockly.blockRendering.Measurable');
-goog.require('Blockly.blockRendering.RenderInfo');
-goog.require('Blockly.blockRendering.Row');
-goog.require('Blockly.blockRendering.SpacerRow');
-goog.require('Blockly.blockRendering.TopRow');
-goog.require('Blockly.blockRendering.Types');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * An object that renders rectangles and dots for debugging rendering code.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The renderer's
- *     constants.
- * @package
- * @constructor
- */
-Blockly.blockRendering.Debug = function(constants) {
-  /**
-   * An array of SVG elements that have been created by this object.
-   * @type {Array.<!SVGElement>}
-   * @private
-   */
-  this.debugElements_ = [];
-
-  /**
-   * The SVG root of the block that is being rendered.  Debug elements will
-   * be attached to this root.
-   * @type {SVGElement}
-   * @private
-   */
-  this.svgRoot_ = null;
-
-  /**
-   * The renderer's constant provider.
-   * @type {!Blockly.blockRendering.ConstantProvider}
-   * @private
-   */
-  this.constants_ = constants;
-};
-
-/**
- * Configuration object containing booleans to enable and disable debug
- * rendering of specific rendering components.
- * @type {!Object.<string, boolean>}
- */
-Blockly.blockRendering.Debug.config = {
-  rowSpacers: true,
-  elemSpacers: true,
-  rows: true,
-  elems: true,
-  connections: true,
-  blockBounds: true,
-  connectedBlockBounds: true,
-  render: true
-};
-
-/**
- * Remove all elements the this object created on the last pass.
- * @package
- */
-Blockly.blockRendering.Debug.prototype.clearElems = function() {
-  for (var i = 0, elem; (elem = this.debugElements_[i]); i++) {
-    Blockly.utils.dom.removeNode(elem);
-  }
-
-  this.debugElements_ = [];
-};
-
-/**
- * Draw a debug rectangle for a spacer (empty) row.
- * @param {!Blockly.blockRendering.Row} row The row to render.
- * @param {number} cursorY The y position of the top of the row.
- * @param {boolean} isRtl Whether the block is rendered RTL.
- * @package
- */
-Blockly.blockRendering.Debug.prototype.drawSpacerRow = function(row, cursorY, isRtl) {
-  if (!Blockly.blockRendering.Debug.config.rowSpacers) {
-    return;
-  }
-
-  var height = Math.abs(row.height);
-  var isNegativeSpacing = row.height < 0;
-  if (isNegativeSpacing) {
-    cursorY -= height;
-  }
-
-  this.debugElements_.push(Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'class': 'rowSpacerRect blockRenderDebug',
-        'x': isRtl ? -(row.xPos + row.width) : row.xPos,
-        'y': cursorY,
-        'width': row.width,
-        'height': height,
-        'stroke': isNegativeSpacing ? 'black' : 'blue',
-        'fill': 'blue',
-        'fill-opacity': '0.5',
-        'stroke-width': '1px'
-      },
-      this.svgRoot_));
-};
-
-/**
- * Draw a debug rectangle for a horizontal spacer.
- * @param {!Blockly.blockRendering.InRowSpacer} elem The spacer to render.
- * @param {number} rowHeight The height of the container row.
- * @param {boolean} isRtl Whether the block is rendered RTL.
- * @package
- */
-Blockly.blockRendering.Debug.prototype.drawSpacerElem = function(elem, rowHeight, isRtl) {
-  if (!Blockly.blockRendering.Debug.config.elemSpacers) {
-    return;
-  }
-
-  var width = Math.abs(elem.width);
-  var isNegativeSpacing = elem.width < 0;
-  var xPos = isNegativeSpacing ? elem.xPos - width : elem.xPos;
-  if (isRtl) {
-    xPos = -(xPos + width);
-  }
-  var yPos = elem.centerline - elem.height / 2;
-  this.debugElements_.push(Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'class': 'elemSpacerRect blockRenderDebug',
-        'x': xPos,
-        'y': yPos,
-        'width': width,
-        'height': elem.height,
-        'stroke': 'pink',
-        'fill': isNegativeSpacing ? 'black' : 'pink',
-        'fill-opacity': '0.5',
-        'stroke-width': '1px'
-      },
-      this.svgRoot_));
-};
-
-/**
- * Draw a debug rectangle for an in-row element.
- * @param {!Blockly.blockRendering.Measurable} elem The element to render.
- * @param {boolean} isRtl Whether the block is rendered RTL.
- * @package
- */
-Blockly.blockRendering.Debug.prototype.drawRenderedElem = function(elem, isRtl) {
-  if (Blockly.blockRendering.Debug.config.elems) {
-    var xPos = elem.xPos;
-    if (isRtl) {
-      xPos = -(xPos + elem.width);
-    }
-    var yPos = elem.centerline - elem.height / 2;
-    this.debugElements_.push(Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.RECT,
-        {
-          'class': 'rowRenderingRect blockRenderDebug',
-          'x': xPos,
-          'y': yPos,
-          'width': elem.width,
-          'height': elem.height,
-          'stroke': 'black',
-          'fill': 'none',
-          'stroke-width': '1px'
-        },
-        this.svgRoot_));
-
-    if (Blockly.blockRendering.Types.isField(elem) &&
-        elem.field instanceof Blockly.FieldLabel) {
-      var baseline = this.constants_.FIELD_TEXT_BASELINE;
-      this.debugElements_.push(Blockly.utils.dom.createSvgElement(
-          Blockly.utils.Svg.RECT,
-          {
-            'class': 'rowRenderingRect blockRenderDebug',
-            'x': xPos,
-            'y': yPos + baseline,
-            'width': elem.width,
-            'height': '0.1px',
-            'stroke': 'red',
-            'fill': 'none',
-            'stroke-width': '0.5px'
-          },
-          this.svgRoot_));
-    }
-  }
-
-
-  if (Blockly.blockRendering.Types.isInput(elem) &&
-      Blockly.blockRendering.Debug.config.connections) {
-    this.drawConnection(elem.connectionModel);
-  }
-};
-
-/**
- * Draw a circle at the location of the given connection.  Inputs and outputs
- * share the same colours, as do previous and next.  When positioned correctly
- * a connected pair will look like a bullseye.
- * @param {Blockly.RenderedConnection} conn The connection to circle.
- * @suppress {visibility} Suppress visibility of conn.offsetInBlock_ since this
- *     is a debug module.
- * @package
- */
-Blockly.blockRendering.Debug.prototype.drawConnection = function(conn) {
-  if (!Blockly.blockRendering.Debug.config.connections) {
-    return;
-  }
-
-  var colour;
-  var size;
-  var fill;
-  if (conn.type == Blockly.INPUT_VALUE) {
-    size = 4;
-    colour = 'magenta';
-    fill = 'none';
-  } else if (conn.type == Blockly.OUTPUT_VALUE) {
-    size = 2;
-    colour = 'magenta';
-    fill = colour;
-  } else if (conn.type == Blockly.NEXT_STATEMENT) {
-    size = 4;
-    colour = 'goldenrod';
-    fill = 'none';
-  } else if (conn.type == Blockly.PREVIOUS_STATEMENT) {
-    size = 2;
-    colour = 'goldenrod';
-    fill = colour;
-  }
-  this.debugElements_.push(Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.CIRCLE,
-      {
-        'class': 'blockRenderDebug',
-        'cx': conn.offsetInBlock_.x,
-        'cy': conn.offsetInBlock_.y,
-        'r': size,
-        'fill': fill,
-        'stroke': colour,
-      },
-      this.svgRoot_));
-};
-
-/**
- * Draw a debug rectangle for a non-empty row.
- * @param {!Blockly.blockRendering.Row} row The non-empty row to render.
- * @param {number} cursorY The y position of the top of the row.
- * @param {boolean} isRtl Whether the block is rendered RTL.
- * @package
- */
-Blockly.blockRendering.Debug.prototype.drawRenderedRow = function(row, cursorY, isRtl) {
-  if (!Blockly.blockRendering.Debug.config.rows) {
-    return;
-  }
-  this.debugElements_.push(Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'class': 'elemRenderingRect blockRenderDebug',
-        'x': isRtl ? -(row.xPos + row.width) : row.xPos,
-        'y': row.yPos,
-        'width': row.width,
-        'height': row.height,
-        'stroke': 'red',
-        'fill': 'none',
-        'stroke-width': '1px'
-      },
-      this.svgRoot_));
-
-  if (Blockly.blockRendering.Types.isTopOrBottomRow(row)) {
-    return;
-  }
-
-  if (Blockly.blockRendering.Debug.config.connectedBlockBounds) {
-    this.debugElements_.push(Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.RECT,
-        {
-          'class': 'connectedBlockWidth blockRenderDebug',
-          'x': isRtl ? -(row.xPos + row.widthWithConnectedBlocks) : row.xPos,
-          'y': row.yPos,
-          'width': row.widthWithConnectedBlocks,
-          'height': row.height,
-          'stroke': this.randomColour_,
-          'fill': 'none',
-          'stroke-width': '1px',
-          'stroke-dasharray': '3,3'
-        },
-        this.svgRoot_));
-  }
-};
-
-/**
- * Draw debug rectangles for a non-empty row and all of its subcomponents.
- * @param {!Blockly.blockRendering.Row} row The non-empty row to render.
- * @param {number} cursorY The y position of the top of the row.
- * @param {boolean} isRtl Whether the block is rendered RTL.
- * @package
- */
-Blockly.blockRendering.Debug.prototype.drawRowWithElements = function(row, cursorY, isRtl) {
-  for (var i = 0, l = row.elements.length; i < l; i++) {
-    var elem = row.elements[i];
-    if (!elem) {
-      console.warn('A row has an undefined or null element.', row, elem);
-      continue;
-    }
-    if (Blockly.blockRendering.Types.isSpacer(elem)) {
-      this.drawSpacerElem(
-          /** @type {!Blockly.blockRendering.InRowSpacer} */ (elem),
-          row.height, isRtl);
-    } else {
-      this.drawRenderedElem(elem, isRtl);
-    }
-  }
-  this.drawRenderedRow(row, cursorY, isRtl);
-};
-
-/**
- * Draw a debug rectangle around the entire block.
- * @param {!Blockly.blockRendering.RenderInfo} info Rendering information about
- *     the block to debug.
- * @package
- */
-Blockly.blockRendering.Debug.prototype.drawBoundingBox = function(info) {
-  if (!Blockly.blockRendering.Debug.config.blockBounds) {
-    return;
-  }
-  // Bounding box without children.
-  var xPos = info.RTL ? -info.width : 0;
-  var yPos = 0;
-  this.debugElements_.push(Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'class': 'blockBoundingBox blockRenderDebug',
-        'x': xPos,
-        'y': yPos,
-        'width': info.width,
-        'height': info.height,
-        'stroke': 'black',
-        'fill': 'none',
-        'stroke-width': '1px',
-        'stroke-dasharray': '5,5'
-      },
-      this.svgRoot_));
-
-  if (Blockly.blockRendering.Debug.config.connectedBlockBounds) {
-    // Bounding box with children.
-    xPos = info.RTL ? -info.widthWithChildren : 0;
-    this.debugElements_.push(Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.RECT,
-        {
-          'class': 'blockRenderDebug',
-          'x': xPos,
-          'y': yPos,
-          'width': info.widthWithChildren,
-          'height': info.height,
-          'stroke': '#DF57BC',
-          'fill': 'none',
-          'stroke-width': '1px',
-          'stroke-dasharray': '3,3'
-        },
-        this.svgRoot_));
-  }
-};
-
-/**
- * Do all of the work to draw debug information for the whole block.
- * @param {!Blockly.BlockSvg} block The block to draw debug information for.
- * @param {!Blockly.blockRendering.RenderInfo} info Rendering information about
- *     the block to debug.
- * @package
- */
-Blockly.blockRendering.Debug.prototype.drawDebug = function(block, info) {
-  this.clearElems();
-  this.svgRoot_ = block.getSvgRoot();
-
-  this.randomColour_ = '#' + Math.floor(Math.random() * 16777215).toString(16);
-
-  var cursorY = 0;
-  for (var i = 0, row; (row = info.rows[i]); i++) {
-    if (Blockly.blockRendering.Types.isBetweenRowSpacer(row)) {
-      this.drawSpacerRow(row, cursorY, info.RTL);
-    } else {
-      this.drawRowWithElements(row, cursorY, info.RTL);
-    }
-    cursorY += row.height;
-  }
-
-  if (block.previousConnection) {
-    this.drawConnection(block.previousConnection);
-  }
-  if (block.nextConnection) {
-    this.drawConnection(block.nextConnection);
-  }
-  if (block.outputConnection) {
-    this.drawConnection(block.outputConnection);
-  }
-  if (info.rightSide) {
-    this.drawRenderedElem(info.rightSide, info.RTL);
-  }
-
-  this.drawBoundingBox(info);
-
-  this.drawRender(block.pathObject.svgPath);
-};
-
-
-/**
- * Show a debug filter to highlight that a block has been rendered.
- * @param {!SVGElement} svgPath The block's svg path.
- * @package
- */
-Blockly.blockRendering.Debug.prototype.drawRender = function(svgPath) {
-  if (!Blockly.blockRendering.Debug.config.render) {
-    return;
-  }
-  svgPath.setAttribute('filter',
-      'url(#' + this.constants_.debugFilterId + ')');
-  setTimeout(function() {
-    svgPath.setAttribute('filter', '');
-  }, 100);
-};
diff --git a/core/renderers/common/drawer.js b/core/renderers/common/drawer.js
deleted file mode 100644
index 6f5cc249d5e..00000000000
--- a/core/renderers/common/drawer.js
+++ /dev/null
@@ -1,468 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Methods for graphically rendering a block as SVG.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.blockRendering.Drawer');
-
-goog.require('Blockly.blockRendering.BottomRow');
-goog.require('Blockly.blockRendering.InputRow');
-goog.require('Blockly.blockRendering.Measurable');
-goog.require('Blockly.blockRendering.RenderInfo');
-goog.require('Blockly.blockRendering.Row');
-goog.require('Blockly.blockRendering.SpacerRow');
-goog.require('Blockly.blockRendering.TopRow');
-goog.require('Blockly.blockRendering.Types');
-goog.require('Blockly.utils.svgPaths');
-
-
-/**
- * An object that draws a block based on the given rendering information.
- * @param {!Blockly.BlockSvg} block The block to render.
- * @param {!Blockly.blockRendering.RenderInfo} info An object containing all
- *   information needed to render this block.
- * @package
- * @constructor
- */
-Blockly.blockRendering.Drawer = function(block, info) {
-  this.block_ = block;
-  this.info_ = info;
-  this.topLeft_ = block.getRelativeToSurfaceXY();
-  this.outlinePath_ = '';
-  this.inlinePath_ = '';
-
-  /**
-   * The renderer's constant provider.
-   * @type {!Blockly.blockRendering.ConstantProvider}
-   * @protected
-   */
-  this.constants_ = info.getRenderer().getConstants();
-};
-
-/**
- * Draw the block to the workspace. Here "drawing" means setting SVG path
- * elements and moving fields, icons, and connections on the screen.
- *
- * The pieces of the paths are pushed into arrays of "steps", which are then
- * joined with spaces and set directly on the block.  This guarantees that
- * the steps are separated by spaces for improved readability, but isn't
- * required.
- * @package
- */
-Blockly.blockRendering.Drawer.prototype.draw = function() {
-  this.hideHiddenIcons_();
-  this.drawOutline_();
-  this.drawInternals_();
-
-  this.block_.pathObject.setPath(this.outlinePath_ + '\n' + this.inlinePath_);
-  if (this.info_.RTL) {
-    this.block_.pathObject.flipRTL();
-  }
-  if (Blockly.blockRendering.useDebugger) {
-    this.block_.renderingDebugger.drawDebug(this.block_, this.info_);
-  }
-  this.recordSizeOnBlock_();
-};
-
-/**
- * Save sizing information back to the block
- * Most of the rendering information can be thrown away at the end of the
- * render. Anything that needs to be kept around should be set in this function.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.recordSizeOnBlock_ = function() {
-  // This is used when the block is reporting its size to anyone else.
-  // The dark path adds to the size of the block in both X and Y.
-  this.block_.height = this.info_.height;
-  this.block_.width = this.info_.widthWithChildren;
-};
-
-/**
- * Hide icons that were marked as hidden.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.hideHiddenIcons_ = function() {
-  for (var i = 0, iconInfo; (iconInfo = this.info_.hiddenIcons[i]); i++) {
-    iconInfo.icon.iconGroup_.setAttribute('display', 'none');
-  }
-};
-
-/**
- * Create the outline of the block.  This is a single continuous path.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.drawOutline_ = function() {
-  this.drawTop_();
-  for (var r = 1; r < this.info_.rows.length - 1; r++) {
-    var row = this.info_.rows[r];
-    if (row.hasJaggedEdge) {
-      this.drawJaggedEdge_(row);
-    } else if (row.hasStatement) {
-      this.drawStatementInput_(row);
-    } else if (row.hasExternalInput) {
-      this.drawValueInput_(row);
-    } else {
-      this.drawRightSideRow_(row);
-    }
-  }
-  this.drawBottom_();
-  this.drawLeft_();
-};
-
-
-/**
- * Add steps for the top corner of the block, taking into account
- * details such as hats and rounded corners.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.drawTop_ = function() {
-  var topRow = this.info_.topRow;
-  var elements = topRow.elements;
-
-  this.positionPreviousConnection_();
-  this.outlinePath_ +=
-      Blockly.utils.svgPaths.moveBy(topRow.xPos, this.info_.startY);
-  for (var i = 0, elem; (elem = elements[i]); i++) {
-    if (Blockly.blockRendering.Types.isLeftRoundedCorner(elem)) {
-      this.outlinePath_ +=
-          this.constants_.OUTSIDE_CORNERS.topLeft;
-    } else if (Blockly.blockRendering.Types.isRightRoundedCorner(elem)) {
-      this.outlinePath_ +=
-          this.constants_.OUTSIDE_CORNERS.topRight;
-    } else if (Blockly.blockRendering.Types.isPreviousConnection(elem)) {
-      this.outlinePath_ += elem.shape.pathLeft;
-    } else if (Blockly.blockRendering.Types.isHat(elem)) {
-      this.outlinePath_ += this.constants_.START_HAT.path;
-    } else if (Blockly.blockRendering.Types.isSpacer(elem)) {
-      this.outlinePath_ += Blockly.utils.svgPaths.lineOnAxis('h', elem.width);
-    }
-    // No branch for a square corner, because it's a no-op.
-  }
-  this.outlinePath_ += Blockly.utils.svgPaths.lineOnAxis('v', topRow.height);
-};
-
-/**
- * Add steps for the jagged edge of a row on a collapsed block.
- * @param {!Blockly.blockRendering.Row} row The row to draw the side of.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.drawJaggedEdge_ = function(row) {
-  var remainder =
-      row.height - this.constants_.JAGGED_TEETH.height;
-  this.outlinePath_ += this.constants_.JAGGED_TEETH.path +
-      Blockly.utils.svgPaths.lineOnAxis('v', remainder);
-};
-
-/**
- * Add steps for an external value input, rendered as a notch in the side
- * of the block.
- * @param {!Blockly.blockRendering.Row} row The row that this input
- *     belongs to.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.drawValueInput_ = function(row) {
-  var input = row.getLastInput();
-  this.positionExternalValueConnection_(row);
-
-  var pathDown = (typeof input.shape.pathDown == "function") ?
-      input.shape.pathDown(input.height) :
-      input.shape.pathDown;
-
-  this.outlinePath_ +=
-      Blockly.utils.svgPaths.lineOnAxis('H', input.xPos + input.width) +
-      pathDown +
-      Blockly.utils.svgPaths.lineOnAxis('v', row.height - input.connectionHeight);
-};
-
-
-/**
- * Add steps for a statement input.
- * @param {!Blockly.blockRendering.Row} row The row that this input
- *     belongs to.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.drawStatementInput_ = function(row) {
-  var input = row.getLastInput();
-  // Where to start drawing the notch, which is on the right side in LTR.
-  var x = input.xPos + input.notchOffset + input.shape.width;
-
-  var innerTopLeftCorner =
-      input.shape.pathRight +
-      Blockly.utils.svgPaths.lineOnAxis('h',
-          -(input.notchOffset - this.constants_.INSIDE_CORNERS.width)) +
-      this.constants_.INSIDE_CORNERS.pathTop;
-
-  var innerHeight =
-      row.height - (2 * this.constants_.INSIDE_CORNERS.height);
-
-  this.outlinePath_ += Blockly.utils.svgPaths.lineOnAxis('H', x) +
-      innerTopLeftCorner +
-      Blockly.utils.svgPaths.lineOnAxis('v', innerHeight) +
-      this.constants_.INSIDE_CORNERS.pathBottom +
-      Blockly.utils.svgPaths.lineOnAxis('H', row.xPos + row.width);
-
-  this.positionStatementInputConnection_(row);
-};
-
-/**
- * Add steps for the right side of a row that does not have value or
- * statement input connections.
- * @param {!Blockly.blockRendering.Row} row The row to draw the
- *     side of.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.drawRightSideRow_ = function(row) {
-  this.outlinePath_ +=
-      Blockly.utils.svgPaths.lineOnAxis('V', row.yPos + row.height);
-};
-
-
-/**
- * Add steps for the bottom edge of a block, possibly including a notch
- * for the next connection
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.drawBottom_ = function() {
-  var bottomRow = this.info_.bottomRow;
-  var elems = bottomRow.elements;
-  this.positionNextConnection_();
-
-  var rightCornerYOffset = 0;
-  var outlinePath = '';
-  for (var i = elems.length - 1, elem; (elem = elems[i]); i--) {
-    if (Blockly.blockRendering.Types.isNextConnection(elem)) {
-      outlinePath += elem.shape.pathRight;
-    } else if (Blockly.blockRendering.Types.isLeftSquareCorner(elem)) {
-      outlinePath += Blockly.utils.svgPaths.lineOnAxis('H', bottomRow.xPos);
-    } else if (Blockly.blockRendering.Types.isLeftRoundedCorner(elem)) {
-      outlinePath += this.constants_.OUTSIDE_CORNERS.bottomLeft;
-    } else if (Blockly.blockRendering.Types.isRightRoundedCorner(elem)) {
-      outlinePath += this.constants_.OUTSIDE_CORNERS.bottomRight;
-      rightCornerYOffset = this.constants_.OUTSIDE_CORNERS.rightHeight;
-    } else if (Blockly.blockRendering.Types.isSpacer(elem)) {
-      outlinePath += Blockly.utils.svgPaths.lineOnAxis('h', elem.width * -1);
-    }
-  }
-
-  this.outlinePath_ += Blockly.utils.svgPaths.lineOnAxis('V',
-      bottomRow.baseline - rightCornerYOffset);
-  this.outlinePath_ += outlinePath;
-};
-
-/**
- * Add steps for the left side of the block, which may include an output
- * connection
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.drawLeft_ = function() {
-  var outputConnection = this.info_.outputConnection;
-  this.positionOutputConnection_();
-
-  if (outputConnection) {
-    var tabBottom = outputConnection.connectionOffsetY +
-        outputConnection.height;
-    var pathUp = (typeof outputConnection.shape.pathUp == "function") ?
-        outputConnection.shape.pathUp(outputConnection.height) :
-        outputConnection.shape.pathUp;
-
-    // Draw a line up to the bottom of the tab.
-    this.outlinePath_ +=
-        Blockly.utils.svgPaths.lineOnAxis('V', tabBottom) +
-        pathUp;
-  }
-  // Close off the path.  This draws a vertical line up to the start of the
-  // block's path, which may be either a rounded or a sharp corner.
-  this.outlinePath_ += 'z';
-};
-
-/**
- * Draw the internals of the block: inline inputs, fields, and icons.  These do
- * not depend on the outer path for placement.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.drawInternals_ = function() {
-  for (var i = 0, row; (row = this.info_.rows[i]); i++) {
-    for (var j = 0, elem; (elem = row.elements[j]); j++) {
-      if (Blockly.blockRendering.Types.isInlineInput(elem)) {
-        this.drawInlineInput_(
-            /** @type {!Blockly.blockRendering.InlineInput} */ (elem));
-      } else if (Blockly.blockRendering.Types.isIcon(elem) ||
-          Blockly.blockRendering.Types.isField(elem)) {
-        this.layoutField_(
-            /** @type {!Blockly.blockRendering.Field|!Blockly.blockRendering.Icon} */
-            (elem));
-      }
-    }
-  }
-};
-
-/**
- * Push a field or icon's new position to its SVG root.
- * @param {!Blockly.blockRendering.Icon|!Blockly.blockRendering.Field} fieldInfo
- *     The rendering information for the field or icon.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.layoutField_ = function(fieldInfo) {
-  if (Blockly.blockRendering.Types.isField(fieldInfo)) {
-    var svgGroup = fieldInfo.field.getSvgRoot();
-  } else if (Blockly.blockRendering.Types.isIcon(fieldInfo)) {
-    var svgGroup = fieldInfo.icon.iconGroup_;
-  }
-
-  var yPos = fieldInfo.centerline - fieldInfo.height / 2;
-  var xPos = fieldInfo.xPos;
-  var scale = '';
-  if (this.info_.RTL) {
-    xPos = -(xPos + fieldInfo.width);
-    if (fieldInfo.flipRtl) {
-      xPos += fieldInfo.width;
-      scale = 'scale(-1 1)';
-    }
-  }
-  if (Blockly.blockRendering.Types.isIcon(fieldInfo)) {
-    svgGroup.setAttribute('display', 'block');
-    svgGroup.setAttribute('transform', 'translate(' + xPos + ',' + yPos + ')');
-    fieldInfo.icon.computeIconLocation();
-  } else {
-    svgGroup.setAttribute(
-        'transform', 'translate(' + xPos + ',' + yPos + ')' + scale);
-  }
-
-  if (this.info_.isInsertionMarker) {
-    // Fields and icons are invisible on insertion marker.  They still have to
-    // be rendered so that the block can be sized correctly.
-    svgGroup.setAttribute('display', 'none');
-  }
-};
-
-/**
- * Add steps for an inline input.
- * @param {!Blockly.blockRendering.InlineInput} input The information about the
- * input to render.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.drawInlineInput_ = function(input) {
-  var width = input.width;
-  var height = input.height;
-  var yPos = input.centerline - height / 2;
-
-  var connectionTop = input.connectionOffsetY;
-  var connectionBottom = input.connectionHeight + connectionTop;
-  var connectionRight = input.xPos + input.connectionWidth;
-
-  this.inlinePath_ += Blockly.utils.svgPaths.moveTo(connectionRight, yPos) +
-      Blockly.utils.svgPaths.lineOnAxis('v', connectionTop) +
-      input.shape.pathDown +
-      Blockly.utils.svgPaths.lineOnAxis('v', height - connectionBottom) +
-      Blockly.utils.svgPaths.lineOnAxis('h', width - input.connectionWidth) +
-      Blockly.utils.svgPaths.lineOnAxis('v', -height) +
-      'z';
-
-  this.positionInlineInputConnection_(input);
-};
-
-/**
- * Position the connection on an inline value input, taking into account
- * RTL and the small gap between the parent block and child block which lets the
- * parent block's dark path show through.
- * @param {Blockly.blockRendering.InlineInput} input The information about
- * the input that the connection is on.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.positionInlineInputConnection_ = function(input) {
-  var yPos = input.centerline - input.height / 2;
-  // Move the connection.
-  if (input.connectionModel) {
-    // xPos already contains info about startX
-    var connX = input.xPos + input.connectionWidth + input.connectionOffsetX;
-    if (this.info_.RTL) {
-      connX *= -1;
-    }
-    input.connectionModel.setOffsetInBlock(connX,
-        yPos + input.connectionOffsetY);
-  }
-};
-
-/**
- * Position the connection on a statement input, taking into account
- * RTL and the small gap between the parent block and child block which lets the
- * parent block's dark path show through.
- * @param {!Blockly.blockRendering.Row} row The row that the connection is on.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.positionStatementInputConnection_ = function(row) {
-  var input = row.getLastInput();
-  if (input.connectionModel) {
-    var connX = row.xPos + row.statementEdge + input.notchOffset;
-    if (this.info_.RTL) {
-      connX *= -1;
-    }
-    input.connectionModel.setOffsetInBlock(connX, row.yPos);
-  }
-};
-
-/**
- * Position the connection on an external value input, taking into account
- * RTL and the small gap between the parent block and child block which lets the
- * parent block's dark path show through.
- * @param {!Blockly.blockRendering.Row} row The row that the connection is on.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.positionExternalValueConnection_ = function(row) {
-  var input = row.getLastInput();
-  if (input.connectionModel) {
-    var connX = row.xPos + row.width;
-    if (this.info_.RTL) {
-      connX *= -1;
-    }
-    input.connectionModel.setOffsetInBlock(connX, row.yPos);
-  }
-};
-
-/**
- * Position the previous connection on a block.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.positionPreviousConnection_ = function() {
-  var topRow = this.info_.topRow;
-  if (topRow.connection) {
-    var x = topRow.xPos + topRow.notchOffset;
-    var connX = (this.info_.RTL ? -x : x);
-    topRow.connection.connectionModel.setOffsetInBlock(connX, 0);
-  }
-};
-
-/**
- * Position the next connection on a block.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.positionNextConnection_ = function() {
-  var bottomRow = this.info_.bottomRow;
-
-  if (bottomRow.connection) {
-    var connInfo = bottomRow.connection;
-    var x = connInfo.xPos; // Already contains info about startX
-    var connX = (this.info_.RTL ? -x : x);
-    connInfo.connectionModel.setOffsetInBlock(connX, bottomRow.baseline);
-  }
-};
-
-/**
- * Position the output connection on a block.
- * @protected
- */
-Blockly.blockRendering.Drawer.prototype.positionOutputConnection_ = function() {
-  if (this.info_.outputConnection) {
-    var x = this.info_.startX + this.info_.outputConnection.connectionOffsetX;
-    var connX = this.info_.RTL ? -x : x;
-    this.block_.outputConnection.setOffsetInBlock(connX,
-        this.info_.outputConnection.connectionOffsetY);
-  }
-};
diff --git a/core/renderers/common/drawer.ts b/core/renderers/common/drawer.ts
new file mode 100644
index 00000000000..5ded620b799
--- /dev/null
+++ b/core/renderers/common/drawer.ts
@@ -0,0 +1,517 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.Drawer
+
+import type {BlockSvg} from '../../block_svg.js';
+import {Coordinate} from '../../utils.js';
+import * as svgPaths from '../../utils/svg_paths.js';
+import {Connection} from '../measurables/connection.js';
+import type {ExternalValueInput} from '../measurables/external_value_input.js';
+import type {Field} from '../measurables/field.js';
+import type {Icon} from '../measurables/icon.js';
+import type {InlineInput} from '../measurables/inline_input.js';
+import type {PreviousConnection} from '../measurables/previous_connection.js';
+import type {Row} from '../measurables/row.js';
+import {Types} from '../measurables/types.js';
+
+import {isDynamicShape, isNotch, isPuzzleTab} from './constants.js';
+import type {ConstantProvider, Notch, PuzzleTab} from './constants.js';
+import type {RenderInfo} from './info.js';
+import {ConnectionType} from '../../connection_type.js';
+
+/**
+ * An object that draws a block based on the given rendering information.
+ */
+export class Drawer {
+  block_: BlockSvg;
+  info_: RenderInfo;
+  topLeft_: Coordinate;
+  outlinePath_ = '';
+  inlinePath_ = '';
+  protected constants_: ConstantProvider;
+
+  /**
+   * @param block The block to render.
+   * @param info An object containing all information needed to render this
+   *     block.
+   */
+  constructor(block: BlockSvg, info: RenderInfo) {
+    this.block_ = block;
+    this.info_ = info;
+    this.topLeft_ = block.getRelativeToSurfaceXY();
+
+    /** The renderer's constant provider. */
+    this.constants_ = info.getRenderer().getConstants();
+  }
+
+  /**
+   * Draw the block to the workspace. Here "drawing" means setting SVG path
+   * elements and moving fields, icons, and connections on the screen.
+   *
+   * The pieces of the paths are pushed into arrays of "steps", which are then
+   * joined with spaces and set directly on the block.  This guarantees that
+   * the steps are separated by spaces for improved readability, but isn't
+   * required.
+   */
+  draw() {
+    this.drawOutline_();
+    this.drawInternals_();
+    this.updateConnectionHighlights();
+
+    this.block_.pathObject.setPath(this.outlinePath_ + '\n' + this.inlinePath_);
+    if (this.info_.RTL) {
+      this.block_.pathObject.flipRTL();
+    }
+    this.recordSizeOnBlock_();
+  }
+
+  /**
+   * Save sizing information back to the block
+   * Most of the rendering information can be thrown away at the end of the
+   * render. Anything that needs to be kept around should be set in this
+   * function.
+   */
+  protected recordSizeOnBlock_() {
+    // This is used when the block is reporting its size to anyone else.
+    // The dark path adds to the size of the block in both X and Y.
+    this.block_.height = this.info_.height;
+    this.block_.width = this.info_.widthWithChildren;
+  }
+
+  /** Create the outline of the block.  This is a single continuous path. */
+  protected drawOutline_() {
+    this.drawTop_();
+    for (let r = 1; r < this.info_.rows.length - 1; r++) {
+      const row = this.info_.rows[r];
+      if (row.hasJaggedEdge) {
+        this.drawJaggedEdge_(row);
+      } else if (row.hasStatement) {
+        this.drawStatementInput_(row);
+      } else if (row.hasExternalInput) {
+        this.drawValueInput_(row);
+      } else {
+        this.drawRightSideRow_(row);
+      }
+    }
+    this.drawBottom_();
+    this.drawLeft_();
+  }
+
+  /**
+   * Add steps for the top corner of the block, taking into account
+   * details such as hats and rounded corners.
+   */
+  protected drawTop_() {
+    const topRow = this.info_.topRow;
+    const elements = topRow.elements;
+
+    this.positionPreviousConnection_();
+    this.outlinePath_ += svgPaths.moveBy(topRow.xPos, this.info_.startY);
+    for (let i = 0, elem; (elem = elements[i]); i++) {
+      if (Types.isLeftRoundedCorner(elem)) {
+        this.outlinePath_ += this.constants_.OUTSIDE_CORNERS.topLeft;
+      } else if (Types.isRightRoundedCorner(elem)) {
+        this.outlinePath_ += this.constants_.OUTSIDE_CORNERS.topRight;
+      } else if (
+        Types.isPreviousConnection(elem) &&
+        elem instanceof Connection
+      ) {
+        this.outlinePath_ += (
+          (elem as PreviousConnection).shape as Notch
+        ).pathLeft;
+      } else if (Types.isHat(elem)) {
+        this.outlinePath_ += this.constants_.START_HAT.path;
+      } else if (Types.isSpacer(elem)) {
+        this.outlinePath_ += svgPaths.lineOnAxis('h', elem.width);
+      }
+    }
+    // No branch for a square corner, because it's a no-op.
+    this.outlinePath_ += svgPaths.lineOnAxis('v', topRow.height);
+  }
+
+  /**
+   * Add steps for the jagged edge of a row on a collapsed block.
+   *
+   * @param row The row to draw the side of.
+   */
+  protected drawJaggedEdge_(row: Row) {
+    const remainder = row.height - this.constants_.JAGGED_TEETH.height;
+    this.outlinePath_ +=
+      this.constants_.JAGGED_TEETH.path + svgPaths.lineOnAxis('v', remainder);
+  }
+
+  /**
+   * Add steps for an external value input, rendered as a notch in the side
+   * of the block.
+   *
+   * @param row The row that this input belongs to.
+   */
+  protected drawValueInput_(row: Row) {
+    const input = row.getLastInput() as ExternalValueInput | InlineInput;
+    this.positionExternalValueConnection_(row);
+
+    const pathDown = isDynamicShape(input.shape)
+      ? input.shape.pathDown(input.height)
+      : (input.shape as PuzzleTab).pathDown;
+
+    this.outlinePath_ +=
+      svgPaths.lineOnAxis('H', input.xPos + input.width) +
+      pathDown +
+      svgPaths.lineOnAxis('v', row.height - input.connectionHeight);
+  }
+
+  /**
+   * Add steps for a statement input.
+   *
+   * @param row The row that this input belongs to.
+   */
+  protected drawStatementInput_(row: Row) {
+    const input = row.getLastInput();
+    if (!input) return;
+    // Where to start drawing the notch, which is on the right side in LTR.
+    const x = input.xPos + input.notchOffset + (input.shape as Notch).width;
+
+    const innerTopLeftCorner =
+      (input.shape as Notch).pathRight +
+      svgPaths.lineOnAxis(
+        'h',
+        -(input.notchOffset - this.constants_.INSIDE_CORNERS.width),
+      ) +
+      this.constants_.INSIDE_CORNERS.pathTop;
+
+    const innerHeight = row.height - 2 * this.constants_.INSIDE_CORNERS.height;
+
+    this.outlinePath_ +=
+      svgPaths.lineOnAxis('H', x) +
+      innerTopLeftCorner +
+      svgPaths.lineOnAxis('v', innerHeight) +
+      this.constants_.INSIDE_CORNERS.pathBottom +
+      svgPaths.lineOnAxis('H', row.xPos + row.width);
+
+    this.positionStatementInputConnection_(row);
+  }
+
+  /**
+   * Add steps for the right side of a row that does not have value or
+   * statement input connections.
+   *
+   * @param row The row to draw the side of.
+   */
+  protected drawRightSideRow_(row: Row) {
+    this.outlinePath_ += svgPaths.lineOnAxis('V', row.yPos + row.height);
+  }
+
+  /**
+   * Add steps for the bottom edge of a block, possibly including a notch
+   * for the next connection.
+   */
+  protected drawBottom_() {
+    const bottomRow = this.info_.bottomRow;
+    const elems = bottomRow.elements;
+    this.positionNextConnection_();
+
+    let rightCornerYOffset = 0;
+    let outlinePath = '';
+    for (let i = elems.length - 1, elem; (elem = elems[i]); i--) {
+      if (Types.isNextConnection(elem) && elem instanceof Connection) {
+        outlinePath += (elem.shape as Notch).pathRight;
+      } else if (Types.isLeftSquareCorner(elem)) {
+        outlinePath += svgPaths.lineOnAxis('H', bottomRow.xPos);
+      } else if (Types.isLeftRoundedCorner(elem)) {
+        outlinePath += this.constants_.OUTSIDE_CORNERS.bottomLeft;
+      } else if (Types.isRightRoundedCorner(elem)) {
+        outlinePath += this.constants_.OUTSIDE_CORNERS.bottomRight;
+        rightCornerYOffset = this.constants_.OUTSIDE_CORNERS.rightHeight;
+      } else if (Types.isSpacer(elem)) {
+        outlinePath += svgPaths.lineOnAxis('h', elem.width * -1);
+      }
+    }
+
+    this.outlinePath_ += svgPaths.lineOnAxis(
+      'V',
+      bottomRow.baseline - rightCornerYOffset,
+    );
+    this.outlinePath_ += outlinePath;
+  }
+
+  /**
+   * Add steps for the left side of the block, which may include an output
+   * connection
+   */
+  protected drawLeft_() {
+    const outputConnection = this.info_.outputConnection;
+    this.positionOutputConnection_();
+
+    if (outputConnection) {
+      const tabBottom =
+        outputConnection.connectionOffsetY + outputConnection.height;
+      const pathUp = isDynamicShape(outputConnection.shape)
+        ? outputConnection.shape.pathUp(outputConnection.height)
+        : (outputConnection.shape as PuzzleTab).pathUp;
+
+      // Draw a line up to the bottom of the tab.
+      this.outlinePath_ += svgPaths.lineOnAxis('V', tabBottom) + pathUp;
+    }
+    // Close off the path.  This draws a vertical line up to the start of the
+    // block's path, which may be either a rounded or a sharp corner.
+    this.outlinePath_ += 'z';
+  }
+
+  /**
+   * Draw the internals of the block: inline inputs, fields, and icons.  These
+   * do not depend on the outer path for placement.
+   */
+  protected drawInternals_() {
+    for (let i = 0, row; (row = this.info_.rows[i]); i++) {
+      for (let j = 0, elem; (elem = row.elements[j]); j++) {
+        if (Types.isInlineInput(elem)) {
+          this.drawInlineInput_(elem as InlineInput);
+        } else if (Types.isIcon(elem) || Types.isField(elem)) {
+          this.layoutField_(elem as Field | Icon);
+        }
+      }
+    }
+  }
+
+  /**
+   * Push a field or icon's new position to its SVG root.
+   *
+   * @param fieldInfo The rendering information for the field or icon.
+   */
+  protected layoutField_(fieldInfo: Icon | Field) {
+    const yPos = fieldInfo.centerline - fieldInfo.height / 2;
+    let xPos = fieldInfo.xPos;
+    let scale = '';
+    if (this.info_.RTL) {
+      xPos = -(xPos + fieldInfo.width);
+      if (fieldInfo.flipRtl) {
+        xPos += fieldInfo.width;
+        scale = 'scale(-1 1)';
+      }
+    }
+
+    if (Types.isIcon(fieldInfo)) {
+      const icon = (fieldInfo as Icon).icon;
+      icon.setOffsetInBlock(new Coordinate(xPos, yPos));
+      if (this.info_.isInsertionMarker) {
+        icon.hideForInsertionMarker();
+      }
+    } else {
+      const svgGroup = (fieldInfo as Field).field.getSvgRoot()!;
+      svgGroup.setAttribute(
+        'transform',
+        'translate(' + xPos + ',' + yPos + ')' + scale,
+      );
+      if (this.info_.isInsertionMarker) {
+        svgGroup.setAttribute('display', 'none');
+      }
+    }
+  }
+
+  /**
+   * Add steps for an inline input.
+   *
+   * @param input The information about the input to render.
+   */
+  protected drawInlineInput_(input: InlineInput) {
+    const width = input.width;
+    const height = input.height;
+    const yPos = input.centerline - height / 2;
+
+    const connectionTop = input.connectionOffsetY;
+    const connectionBottom = input.connectionHeight + connectionTop;
+    const connectionRight = input.xPos + input.connectionWidth;
+
+    this.inlinePath_ +=
+      svgPaths.moveTo(connectionRight, yPos) +
+      svgPaths.lineOnAxis('v', connectionTop) +
+      (input.shape as PuzzleTab).pathDown +
+      svgPaths.lineOnAxis('v', height - connectionBottom) +
+      svgPaths.lineOnAxis('h', width - input.connectionWidth) +
+      svgPaths.lineOnAxis('v', -height) +
+      'z';
+
+    this.positionInlineInputConnection_(input);
+  }
+
+  /**
+   * Position the connection on an inline value input, taking into account
+   * RTL and the small gap between the parent block and child block which lets
+   * the parent block's dark path show through.
+   *
+   * @param input The information about the input that the connection is on.
+   */
+  protected positionInlineInputConnection_(input: InlineInput) {
+    const yPos = input.centerline - input.height / 2;
+    // Move the connection.
+    if (input.connectionModel) {
+      // xPos already contains info about startX
+      let connX = input.xPos + input.connectionWidth + input.connectionOffsetX;
+      if (this.info_.RTL) {
+        connX *= -1;
+      }
+      input.connectionModel.setOffsetInBlock(
+        connX,
+        yPos + input.connectionOffsetY,
+      );
+    }
+  }
+
+  /**
+   * Position the connection on a statement input, taking into account
+   * RTL and the small gap between the parent block and child block which lets
+   * the parent block's dark path show through.
+   *
+   * @param row The row that the connection is on.
+   */
+  protected positionStatementInputConnection_(row: Row) {
+    const input = row.getLastInput();
+    if (input?.connectionModel) {
+      let connX = row.xPos + row.statementEdge + input.notchOffset;
+      if (this.info_.RTL) {
+        connX *= -1;
+      }
+      input.connectionModel.setOffsetInBlock(connX, row.yPos);
+    }
+  }
+
+  /**
+   * Position the connection on an external value input, taking into account
+   * RTL and the small gap between the parent block and child block which lets
+   * the parent block's dark path show through.
+   *
+   * @param row The row that the connection is on.
+   */
+  protected positionExternalValueConnection_(row: Row) {
+    const input = row.getLastInput();
+    if (input && input.connectionModel) {
+      let connX = row.xPos + row.width;
+      if (this.info_.RTL) {
+        connX *= -1;
+      }
+      input.connectionModel.setOffsetInBlock(connX, row.yPos);
+    }
+  }
+
+  /** Position the previous connection on a block. */
+  protected positionPreviousConnection_() {
+    const topRow = this.info_.topRow;
+    if (topRow.connection) {
+      const x = topRow.xPos + topRow.notchOffset;
+      const connX = this.info_.RTL ? -x : x;
+      topRow.connection.connectionModel.setOffsetInBlock(connX, 0);
+    }
+  }
+
+  /** Position the next connection on a block. */
+  protected positionNextConnection_() {
+    const bottomRow = this.info_.bottomRow;
+
+    if (bottomRow.connection) {
+      const connInfo = bottomRow.connection;
+      const x = connInfo.xPos; // Already contains info about startX.
+      const connX = this.info_.RTL ? -x : x;
+      connInfo.connectionModel.setOffsetInBlock(connX, bottomRow.baseline);
+    }
+  }
+
+  /** Position the output connection on a block. */
+  protected positionOutputConnection_() {
+    if (this.info_.outputConnection) {
+      const x =
+        this.info_.startX + this.info_.outputConnection.connectionOffsetX;
+      const connX = this.info_.RTL ? -x : x;
+      this.block_.outputConnection.setOffsetInBlock(
+        connX,
+        this.info_.outputConnection.connectionOffsetY,
+      );
+    }
+  }
+
+  /**
+   * Updates the path object to reflect which connections on the block are
+   * highlighted.
+   */
+  protected updateConnectionHighlights() {
+    for (const row of this.info_.rows) {
+      for (const elem of row.elements) {
+        if (!(elem instanceof Connection)) continue;
+
+        if (elem.highlighted) {
+          this.drawConnectionHighlightPath(elem);
+        } else {
+          this.block_.pathObject.removeConnectionHighlight?.(
+            elem.connectionModel,
+          );
+        }
+      }
+    }
+  }
+
+  /** Returns a path to highlight the given connection. */
+  drawConnectionHighlightPath(measurable: Connection) {
+    const conn = measurable.connectionModel;
+    let path = '';
+    if (
+      conn.type === ConnectionType.INPUT_VALUE ||
+      conn.type === ConnectionType.OUTPUT_VALUE
+    ) {
+      path = this.getExpressionConnectionHighlightPath(measurable);
+    } else {
+      path = this.getStatementConnectionHighlightPath(measurable);
+    }
+    const block = conn.getSourceBlock();
+    block.pathObject.addConnectionHighlight?.(
+      conn,
+      path,
+      conn.getOffsetInBlock(),
+      block.RTL,
+    );
+  }
+
+  /**
+   * Returns a path to highlight the given conneciton, assuming it is an
+   * input or output connection.
+   */
+  private getExpressionConnectionHighlightPath(connection: Connection): string {
+    let connPath = '';
+    if (isDynamicShape(connection.shape)) {
+      connPath = connection.shape.pathDown(connection.height);
+    } else if (isPuzzleTab(connection.shape)) {
+      connPath = connection.shape.pathDown;
+    }
+
+    // We are assuming that there is room for the tab offset above and below
+    // the tab.
+    const yLen = this.constants_.TAB_OFFSET_FROM_TOP;
+    return (
+      svgPaths.moveBy(0, -yLen) +
+      svgPaths.lineOnAxis('v', yLen) +
+      connPath +
+      svgPaths.lineOnAxis('v', yLen)
+    );
+  }
+
+  /**
+   * Returns a path to highlight the given conneciton, assuming it is a
+   * next or previous connection.
+   */
+  private getStatementConnectionHighlightPath(connection: Connection): string {
+    if (!isNotch(connection.shape)) {
+      throw new Error('Statement connections should have notch shapes');
+    }
+
+    const xLen =
+      this.constants_.NOTCH_OFFSET_LEFT - this.constants_.CORNER_RADIUS;
+    return (
+      svgPaths.moveBy(-xLen, 0) +
+      svgPaths.lineOnAxis('h', xLen) +
+      connection.shape.pathLeft +
+      svgPaths.lineOnAxis('h', xLen)
+    );
+  }
+}
diff --git a/core/renderers/common/i_path_object.js b/core/renderers/common/i_path_object.js
deleted file mode 100644
index 8b18426cf4d..00000000000
--- a/core/renderers/common/i_path_object.js
+++ /dev/null
@@ -1,151 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The interface for an object that owns a block's rendering SVG
- * elements.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-
-'use strict';
-
-goog.provide('Blockly.blockRendering.IPathObject');
-
-goog.requireType('Blockly.blockRendering.ConstantProvider');
-goog.requireType('Blockly.Theme');
-
-
-/**
- * An interface for a block's path object.
- * @param {!SVGElement} _root The root SVG element.
- * @param {!Blockly.blockRendering.ConstantProvider} _constants The renderer's
- *     constants.
- * @interface
- */
-Blockly.blockRendering.IPathObject = function(_root, _constants) {};
-
-/**
- * The primary path of the block.
- * @type {!SVGElement}
- */
-Blockly.blockRendering.IPathObject.prototype.svgPath;
-
-/**
- * The renderer's constant provider.
- * @type {!Blockly.blockRendering.ConstantProvider}
- */
-Blockly.blockRendering.IPathObject.prototype.constants;
-
-/**
- * The primary path of the block.
- * @type {!Blockly.Theme.BlockStyle}
- */
-Blockly.blockRendering.IPathObject.prototype.style;
-
-/**
- * Holds the cursors svg element when the cursor is attached to the block.
- * This is null if there is no cursor on the block.
- * @type {SVGElement}
- */
-Blockly.blockRendering.IPathObject.prototype.cursorSvg;
-
-/**
- * Holds the markers svg element when the marker is attached to the block.
- * This is null if there is no marker on the block.
- * @type {SVGElement}
- */
-Blockly.blockRendering.IPathObject.prototype.markerSvg;
-
-/**
- * Set the path generated by the renderer onto the respective SVG element.
- * @param {string} pathString The path.
- * @package
- */
-Blockly.blockRendering.IPathObject.prototype.setPath;
-
-/**
- * Apply the stored colours to the block's path, taking into account whether
- * the paths belong to a shadow block.
- * @param {!Blockly.Block} block The source block.
- * @package
- */
-Blockly.blockRendering.IPathObject.prototype.applyColour;
-
-/**
- * Update the style.
- * @param {!Blockly.Theme.BlockStyle} blockStyle The block style to use.
- * @package
- */
-Blockly.blockRendering.IPathObject.prototype.setStyle;
-
-/**
- * Flip the SVG paths in RTL.
- * @package
- */
-Blockly.blockRendering.IPathObject.prototype.flipRTL;
-
-/**
- * Add the cursor svg to this block's svg group.
- * @param {SVGElement} cursorSvg The svg root of the cursor to be added to the
- *     block svg group.
- * @package
- */
-Blockly.blockRendering.IPathObject.prototype.setCursorSvg;
-
-/**
- * Add the marker svg to this block's svg group.
- * @param {SVGElement} markerSvg The svg root of the marker to be added to the
- *     block svg group.
- * @package
- */
-Blockly.blockRendering.IPathObject.prototype.setMarkerSvg;
-
-/**
- * Set whether the block shows a highlight or not.  Block highlighting is
- * often used to visually mark blocks currently being executed.
- * @param {boolean} highlighted True if highlighted.
- * @package
- */
-Blockly.blockRendering.IPathObject.prototype.updateHighlighted;
-
-/**
- * Add or remove styling showing that a block is selected.
- * @param {boolean} enable True if selection is enabled, false otherwise.
- * @package
- */
-Blockly.blockRendering.IPathObject.prototype.updateSelected;
-
-/**
- * Add or remove styling showing that a block is dragged over a delete area.
- * @param {boolean} enable True if the block is being dragged over a delete
- *     area, false otherwise.
- * @package
- */
-Blockly.blockRendering.IPathObject.prototype.updateDraggingDelete;
-
-/**
- * Add or remove styling showing that a block is an insertion marker.
- * @param {boolean} enable True if the block is an insertion marker, false
- *     otherwise.
- * @package
- */
-Blockly.blockRendering.IPathObject.prototype.updateInsertionMarker;
-
-/**
- * Add or remove styling showing that a block is movable.
- * @param {boolean} enable True if the block is movable, false otherwise.
- * @package
- */
-Blockly.blockRendering.IPathObject.prototype.updateMovable;
-
-/**
- * Add or remove styling that shows that if the dragging block is dropped, this
- * block will be replaced.  If a shadow block, it will disappear.  Otherwise it
- * will bump.
- * @param {boolean} enable True if styling should be added.
- * @package
- */
-Blockly.blockRendering.IPathObject.prototype.updateReplacementFade;
diff --git a/core/renderers/common/i_path_object.ts b/core/renderers/common/i_path_object.ts
new file mode 100644
index 00000000000..30033f18e81
--- /dev/null
+++ b/core/renderers/common/i_path_object.ts
@@ -0,0 +1,137 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.IPathObject
+
+import type {BlockStyle} from '../../theme.js';
+import type {BlockSvg} from '../../block_svg.js';
+import type {ConstantProvider} from './constants.js';
+import type {RenderedConnection} from '../../rendered_connection.js';
+import type {Coordinate} from '../../utils/coordinate.js';
+
+/**
+ * An interface for a block's path object.
+ *
+ * @param _root The root SVG element.
+ * @param _constants The renderer's constants.
+ */
+export interface IPathObject {
+  /**
+   * The primary path of the block.
+   */
+  svgPath: SVGElement;
+
+  /** The renderer's constant provider. */
+  constants: ConstantProvider;
+
+  /** The primary path of the block. */
+  style: BlockStyle;
+
+  /**
+   * Holds the cursors SVG element when the cursor is attached to the block.
+   * This is null if there is no cursor on the block.
+   */
+  cursorSvg: SVGElement | null;
+
+  /**
+   * Holds the markers SVG element when the marker is attached to the block.
+   * This is null if there is no marker on the block.
+   */
+  markerSvg: SVGElement | null;
+
+  /**
+   * Set the path generated by the renderer onto the respective SVG element.
+   *
+   * @param pathString The path.
+   */
+  setPath(pathString: string): void;
+
+  /**
+   * Apply the stored colours to the block's path, taking into account whether
+   * the paths belong to a shadow block.
+   *
+   * @param block The source block.
+   */
+  applyColour(block: BlockSvg): void;
+
+  /**
+   * Update the style.
+   *
+   * @param blockStyle The block style to use.
+   */
+  setStyle(blockStyle: BlockStyle): void;
+
+  /**
+   * Flip the SVG paths in RTL.
+   */
+  flipRTL(): void;
+
+  /**
+   * Add the cursor SVG to this block's SVG group.
+   *
+   * @param cursorSvg The SVG root of the cursor to be added to the block SVG
+   *     group.
+   */
+  setCursorSvg(cursorSvg: SVGElement): void;
+
+  /**
+   * Add the marker SVG to this block's SVG group.
+   *
+   * @param markerSvg The SVG root of the marker to be added to the block SVG
+   *     group.
+   */
+  setMarkerSvg(markerSvg: SVGElement): void;
+
+  /**
+   * Set whether the block shows a highlight or not.  Block highlighting is
+   * often used to visually mark blocks currently being executed.
+   *
+   * @param highlighted True if highlighted.
+   */
+  updateHighlighted(highlighted: boolean): void;
+
+  /**
+   * Add or remove styling showing that a block is selected.
+   *
+   * @param enable True if selection is enabled, false otherwise.
+   */
+  updateSelected(enabled: boolean): void;
+
+  /**
+   * Add or remove styling showing that a block is dragged over a delete area.
+   *
+   * @param enable True if the block is being dragged over a delete area, false
+   *     otherwise.
+   */
+  updateDraggingDelete(enabled: boolean): void;
+
+  /**
+   * Add or remove styling showing that a block is an insertion marker.
+   *
+   * @param enable True if the block is an insertion marker, false otherwise.
+   */
+  updateInsertionMarker(enabled: boolean): void;
+
+  /**
+   * Add or remove styling showing that a block is movable.
+   *
+   * @param enable True if the block is movable, false otherwise.
+   */
+  updateMovable(enabled: boolean): void;
+
+  /** Adds the given path as a connection highlight for the given connection. */
+  addConnectionHighlight?(
+    connection: RenderedConnection,
+    connectionPath: string,
+    offset: Coordinate,
+    rtl: boolean,
+  ): void;
+
+  /**
+   * Removes any highlight associated with the given connection, if it exists.
+   */
+  removeConnectionHighlight?(connection: RenderedConnection): void;
+}
diff --git a/core/renderers/common/info.js b/core/renderers/common/info.js
deleted file mode 100644
index e58fc842dd9..00000000000
--- a/core/renderers/common/info.js
+++ /dev/null
@@ -1,775 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Methods for graphically rendering a block as SVG.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.blockRendering.RenderInfo');
-
-goog.require('Blockly.blockRendering.BottomRow');
-goog.require('Blockly.blockRendering.ExternalValueInput');
-goog.require('Blockly.blockRendering.Hat');
-goog.require('Blockly.blockRendering.InlineInput');
-goog.require('Blockly.blockRendering.InRowSpacer');
-goog.require('Blockly.blockRendering.InputRow');
-goog.require('Blockly.blockRendering.Measurable');
-goog.require('Blockly.blockRendering.NextConnection');
-goog.require('Blockly.blockRendering.OutputConnection');
-goog.require('Blockly.blockRendering.PreviousConnection');
-goog.require('Blockly.blockRendering.RoundCorner');
-goog.require('Blockly.blockRendering.Row');
-goog.require('Blockly.blockRendering.SpacerRow');
-goog.require('Blockly.blockRendering.StatementInput');
-goog.require('Blockly.blockRendering.SquareCorner');
-goog.require('Blockly.blockRendering.TopRow');
-goog.require('Blockly.blockRendering.Types');
-
-
-/**
- * An object containing all sizing information needed to draw this block.
- *
- * This measure pass does not propagate changes to the block (although fields
- * may choose to rerender when getSize() is called).  However, calling it
- * repeatedly may be expensive.
- *
- * @param {!Blockly.blockRendering.Renderer} renderer The renderer in use.
- * @param {!Blockly.BlockSvg} block The block to measure.
- * @constructor
- * @package
- */
-Blockly.blockRendering.RenderInfo = function(renderer, block) {
-  this.block_ = block;
-
-  /**
-   * The block renderer in use.
-   * @type {!Blockly.blockRendering.Renderer}
-   * @protected
-   */
-  this.renderer_ = renderer;
-
-  /**
-   * The renderer's constant provider.
-   * @type {!Blockly.blockRendering.ConstantProvider}
-   * @protected
-   */
-  this.constants_ = this.renderer_.getConstants();
-
-  /**
-   * A measurable representing the output connection if the block has one.
-   * Otherwise null.
-   * @type {Blockly.blockRendering.OutputConnection}
-   */
-  this.outputConnection = !block.outputConnection ? null :
-      new Blockly.blockRendering.OutputConnection(
-          this.constants_,
-          /** @type {Blockly.RenderedConnection} */(block.outputConnection));
-
-  /**
-   * Whether the block should be rendered as a single line, either because it's
-   * inline or because it has been collapsed.
-   * @type {boolean}
-   */
-  this.isInline = block.getInputsInline() && !block.isCollapsed();
-
-  /**
-   * Whether the block is collapsed.
-   * @type {boolean}
-   */
-  this.isCollapsed = block.isCollapsed();
-
-  /**
-   * Whether the block is an insertion marker.  Insertion markers are the same
-   * shape as normal blocks, but don't show fields.
-   * @type {boolean}
-   */
-  this.isInsertionMarker = block.isInsertionMarker();
-
-  /**
-   * True if the block should be rendered right-to-left.
-   * @type {boolean}
-   */
-  this.RTL = block.RTL;
-
-  /**
-   * The height of the rendered block, including child blocks.
-   * @type {number}
-   */
-  this.height = 0;
-
-  /**
-   * The width of the rendered block, including child blocks.
-   * @type {number}
-   */
-  this.widthWithChildren = 0;
-
-  /**
-   * The width of the rendered block, excluding child blocks.  This is the right
-   * edge of the block when rendered LTR.
-   * @type {number}
-   */
-  this.width = 0;
-
-  /**
-   *
-   * @type {number}
-   */
-  this.statementEdge = 0;
-
-  /**
-   * An array of Row objects containing sizing information.
-   * @type {!Array.<!Blockly.blockRendering.Row>}
-   */
-  this.rows = [];
-
-  /**
-   * An array of input rows on the block.
-   * @type {!Array.<!Blockly.blockRendering.InputRow>}
-   */
-  this.inputRows = [];
-
-  /**
-   * An array of measurable objects containing hidden icons.
-   * @type {!Array.<!Blockly.blockRendering.Icon>}
-   */
-  this.hiddenIcons = [];
-
-  /**
-   * An object with rendering information about the top row of the block.
-   * @type {!Blockly.blockRendering.TopRow}
-   */
-  this.topRow = new Blockly.blockRendering.TopRow(this.constants_);
-
-  /**
-   * An object with rendering information about the bottom row of the block.
-   * @type {!Blockly.blockRendering.BottomRow}
-   */
-  this.bottomRow = new Blockly.blockRendering.BottomRow(this.constants_);
-
-  // The position of the start point for drawing, relative to the block's
-  // location.
-  this.startX = 0;
-  this.startY = 0;
-};
-
-/**
- * Get the block renderer in use.
- * @return {!Blockly.blockRendering.Renderer} The block renderer in use.
- * @package
- */
-Blockly.blockRendering.RenderInfo.prototype.getRenderer = function() {
-  return this.renderer_;
-};
-
-/**
- * Populate and return an object containing all sizing information needed to
- * draw this block.
- *
- * This measure pass does not propagate changes to the block (although fields
- * may choose to rerender when getSize() is called).  However, calling it
- * repeatedly may be expensive.
- *
- * @package
- */
-Blockly.blockRendering.RenderInfo.prototype.measure = function() {
-  this.createRows_();
-  this.addElemSpacing_();
-  this.addRowSpacing_();
-  this.computeBounds_();
-  this.alignRowElements_();
-  this.finalize_();
-};
-
-/**
- * Create rows of Measurable objects representing all renderable parts of the
- * block.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.createRows_ = function() {
-  this.populateTopRow_();
-  this.rows.push(this.topRow);
-  var activeRow = new Blockly.blockRendering.InputRow(this.constants_);
-  this.inputRows.push(activeRow);
-
-  // Icons always go on the first row, before anything else.
-  var icons = this.block_.getIcons();
-  if (icons.length) {
-    for (var i = 0, icon; (icon = icons[i]); i++) {
-      var iconInfo = new Blockly.blockRendering.Icon(this.constants_, icon);
-      if (this.isCollapsed && icon.collapseHidden) {
-        this.hiddenIcons.push(iconInfo);
-      } else {
-        activeRow.elements.push(iconInfo);
-      }
-    }
-  }
-
-  var lastInput = null;
-  // Loop across all of the inputs on the block, creating objects for anything
-  // that needs to be rendered and breaking the block up into visual rows.
-  for (var i = 0, input; (input = this.block_.inputList[i]); i++) {
-    if (!input.isVisible()) {
-      continue;
-    }
-    if (this.shouldStartNewRow_(input, lastInput)) {
-      // Finish this row and create a new one.
-      this.rows.push(activeRow);
-      activeRow = new Blockly.blockRendering.InputRow(this.constants_);
-      this.inputRows.push(activeRow);
-    }
-
-    // All of the fields in an input go on the same row.
-    for (var j = 0, field; (field = input.fieldRow[j]); j++) {
-      activeRow.elements.push(
-          new Blockly.blockRendering.Field(this.constants_, field, input));
-    }
-    this.addInput_(input, activeRow);
-    lastInput = input;
-  }
-
-  if (this.isCollapsed) {
-    activeRow.hasJaggedEdge = true;
-    activeRow.elements.push(
-        new Blockly.blockRendering.JaggedEdge(this.constants_));
-  }
-
-  if (activeRow.elements.length || activeRow.hasDummyInput) {
-    this.rows.push(activeRow);
-  }
-  this.populateBottomRow_();
-  this.rows.push(this.bottomRow);
-};
-
-/**
- * Create all non-spacer elements that belong on the top row.
- * @package
- */
-Blockly.blockRendering.RenderInfo.prototype.populateTopRow_ = function() {
-  var hasPrevious = !!this.block_.previousConnection;
-  var hasHat = (this.block_.hat ?
-    this.block_.hat === 'cap' : this.constants_.ADD_START_HATS) &&
-    !this.outputConnection && !hasPrevious;
-  var leftSquareCorner = this.topRow.hasLeftSquareCorner(this.block_);
-
-  if (leftSquareCorner) {
-    this.topRow.elements.push(
-        new Blockly.blockRendering.SquareCorner(this.constants_));
-  } else {
-    this.topRow.elements.push(
-        new Blockly.blockRendering.RoundCorner(this.constants_));
-  }
-
-  if (hasHat) {
-    var hat = new Blockly.blockRendering.Hat(this.constants_);
-    this.topRow.elements.push(hat);
-    this.topRow.capline = hat.ascenderHeight;
-  } else if (hasPrevious) {
-    this.topRow.hasPreviousConnection = true;
-    this.topRow.connection = new Blockly.blockRendering.PreviousConnection(
-        this.constants_,
-        /** @type {Blockly.RenderedConnection} */
-        (this.block_.previousConnection));
-    this.topRow.elements.push(this.topRow.connection);
-  }
-
-  var precedesStatement = this.block_.inputList.length &&
-      this.block_.inputList[0].type == Blockly.NEXT_STATEMENT;
-
-  // This is the minimum height for the row. If one of its elements has a
-  // greater height it will be overwritten in the compute pass.
-  if (precedesStatement && !this.block_.isCollapsed()) {
-    this.topRow.minHeight =
-        this.constants_.TOP_ROW_PRECEDES_STATEMENT_MIN_HEIGHT;
-  } else {
-    this.topRow.minHeight = this.constants_.TOP_ROW_MIN_HEIGHT;
-  }
-
-  var rightSquareCorner = this.topRow.hasRightSquareCorner(this.block_);
-
-  if (rightSquareCorner) {
-    this.topRow.elements.push(
-        new Blockly.blockRendering.SquareCorner(this.constants_, 'right'));
-  } else {
-    this.topRow.elements.push(
-        new Blockly.blockRendering.RoundCorner(this.constants_, 'right'));
-  }
-};
-
-/**
- * Create all non-spacer elements that belong on the bottom row.
- * @package
- */
-Blockly.blockRendering.RenderInfo.prototype.populateBottomRow_ = function() {
-  this.bottomRow.hasNextConnection = !!this.block_.nextConnection;
-
-  var followsStatement =
-      this.block_.inputList.length &&
-      this.block_.inputList[this.block_.inputList.length - 1]
-          .type == Blockly.NEXT_STATEMENT;
-
-  // This is the minimum height for the row. If one of its elements has a
-  // greater height it will be overwritten in the compute pass.
-  if (followsStatement) {
-    this.bottomRow.minHeight =
-      this.constants_.BOTTOM_ROW_AFTER_STATEMENT_MIN_HEIGHT;
-  } else {
-    this.bottomRow.minHeight = this.constants_.BOTTOM_ROW_MIN_HEIGHT;
-  }
-
-  var leftSquareCorner = this.bottomRow.hasLeftSquareCorner(this.block_);
-
-  if (leftSquareCorner) {
-    this.bottomRow.elements.push(
-        new Blockly.blockRendering.SquareCorner(this.constants_));
-  } else {
-    this.bottomRow.elements.push(
-        new Blockly.blockRendering.RoundCorner(this.constants_));
-  }
-
-  if (this.bottomRow.hasNextConnection) {
-    this.bottomRow.connection = new Blockly.blockRendering.NextConnection(
-        this.constants_,
-        /** @type {Blockly.RenderedConnection} */ (this.block_.nextConnection));
-    this.bottomRow.elements.push(this.bottomRow.connection);
-  }
-
-  var rightSquareCorner = this.bottomRow.hasRightSquareCorner(this.block_);
-
-  if (rightSquareCorner) {
-    this.bottomRow.elements.push(
-        new Blockly.blockRendering.SquareCorner(this.constants_, 'right'));
-  } else {
-    this.bottomRow.elements.push(
-        new Blockly.blockRendering.RoundCorner(this.constants_, 'right'));
-  }
-};
-
-/**
- * Add an input element to the active row, if needed, and record the type of the
- * input on the row.
- * @param {!Blockly.Input} input The input to record information about.
- * @param {!Blockly.blockRendering.Row} activeRow The row that is currently being
- *     populated.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.addInput_ = function(input, activeRow) {
-  // Non-dummy inputs have visual representations onscreen.
-  if (this.isInline && input.type == Blockly.INPUT_VALUE) {
-    activeRow.elements.push(
-        new Blockly.blockRendering.InlineInput(this.constants_, input));
-    activeRow.hasInlineInput = true;
-  } else if (input.type == Blockly.NEXT_STATEMENT) {
-    activeRow.elements.push(
-        new Blockly.blockRendering.StatementInput(this.constants_, input));
-    activeRow.hasStatement = true;
-  } else if (input.type == Blockly.INPUT_VALUE) {
-    activeRow.elements.push(
-        new Blockly.blockRendering.ExternalValueInput(this.constants_, input));
-    activeRow.hasExternalInput = true;
-  } else if (input.type == Blockly.DUMMY_INPUT) {
-    // Dummy inputs have no visual representation, but the information is still
-    // important.
-    activeRow.minHeight = Math.max(activeRow.minHeight,
-        input.getSourceBlock() && input.getSourceBlock().isShadow() ?
-        this.constants_.DUMMY_INPUT_SHADOW_MIN_HEIGHT :
-        this.constants_.DUMMY_INPUT_MIN_HEIGHT);
-    activeRow.hasDummyInput = true;
-  }
-  if (activeRow.align == null) {
-    activeRow.align = input.align;
-  }
-};
-
-/**
- * Decide whether to start a new row between the two Blockly.Inputs.
- * @param {!Blockly.Input} input The first input to consider
- * @param {Blockly.Input} lastInput The input that follows.
- * @return {boolean} True if the next input should be rendered on a new row.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.shouldStartNewRow_ = function(input, lastInput) {
-  // If this is the first input, just add to the existing row.
-  // That row is either empty or has some icons in it.
-  if (!lastInput) {
-    return false;
-  }
-  // A statement input or an input following one always gets a new row.
-  if (input.type == Blockly.NEXT_STATEMENT ||
-      lastInput.type == Blockly.NEXT_STATEMENT) {
-    return true;
-  }
-  // Value and dummy inputs get new row if inputs are not inlined.
-  if (input.type == Blockly.INPUT_VALUE || input.type == Blockly.DUMMY_INPUT) {
-    return !this.isInline;
-  }
-  return false;
-};
-
-/**
- * Add horizontal spacing between and around elements within each row.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.addElemSpacing_ = function() {
-  for (var i = 0, row; (row = this.rows[i]); i++) {
-    var oldElems = row.elements;
-    row.elements = [];
-    // No spacing needed before the corner on the top row or the bottom row.
-    if (row.startsWithElemSpacer()) {
-      // There's a spacer before the first element in the row.
-      row.elements.push(new Blockly.blockRendering.InRowSpacer(
-          this.constants_, this.getInRowSpacing_(null, oldElems[0])));
-    }
-    if (!oldElems.length) {
-      continue;
-    }
-    for (var e = 0; e < oldElems.length - 1; e++) {
-      row.elements.push(oldElems[e]);
-      var spacing = this.getInRowSpacing_(oldElems[e], oldElems[e + 1]);
-      row.elements.push(
-          new Blockly.blockRendering.InRowSpacer(this.constants_, spacing));
-    }
-    row.elements.push(oldElems[oldElems.length - 1]);
-    if (row.endsWithElemSpacer()) {
-      // There's a spacer after the last element in the row.
-      row.elements.push(new Blockly.blockRendering.InRowSpacer(
-          this.constants_,
-          this.getInRowSpacing_(oldElems[oldElems.length - 1], null)));
-    }
-  }
-};
-
-/**
- * Calculate the width of a spacer element in a row based on the previous and
- * next elements in that row.  For instance, extra padding is added between two
- * editable fields.
- * @param {Blockly.blockRendering.Measurable} prev The element before the
- *     spacer.
- * @param {Blockly.blockRendering.Measurable} next The element after the spacer.
- * @return {number} The size of the spacing between the two elements.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.getInRowSpacing_ = function(prev, next) {
-  if (!prev) {
-    // Statement input padding.
-    if (next && Blockly.blockRendering.Types.isStatementInput(next)) {
-      return this.constants_.STATEMENT_INPUT_PADDING_LEFT;
-    }
-  }
-  // Between inputs and the end of the row.
-  if (prev && Blockly.blockRendering.Types.isInput(prev) && !next) {
-    if (Blockly.blockRendering.Types.isExternalInput(prev)) {
-      return this.constants_.NO_PADDING;
-    } else if (Blockly.blockRendering.Types.isInlineInput(prev)) {
-      return this.constants_.LARGE_PADDING;
-    } else if (Blockly.blockRendering.Types.isStatementInput(prev)) {
-      return this.constants_.NO_PADDING;
-    }
-  }
-
-  // Spacing between a square corner and a previous or next connection
-  if (prev && Blockly.blockRendering.Types.isLeftSquareCorner(prev) && next) {
-    if (Blockly.blockRendering.Types.isPreviousConnection(next) ||
-        Blockly.blockRendering.Types.isNextConnection(next)) {
-      return next.notchOffset;
-    }
-  }
-
-  // Spacing between a rounded corner and a previous or next connection.
-  if (prev && Blockly.blockRendering.Types.isLeftRoundedCorner(prev) && next) {
-    if (Blockly.blockRendering.Types.isPreviousConnection(next) ||
-      Blockly.blockRendering.Types.isNextConnection(next)) {
-      return next.notchOffset - this.constants_.CORNER_RADIUS;
-    }
-  }
-
-  return this.constants_.MEDIUM_PADDING;
-};
-
-/**
- * Figure out where the right edge of the block and right edge of statement inputs
- * should be placed.
- * @protected
- */
-// TODO: More cleanup.
-Blockly.blockRendering.RenderInfo.prototype.computeBounds_ = function() {
-  var widestStatementRowFields = 0;
-  var blockWidth = 0;
-  var widestRowWithConnectedBlocks = 0;
-  for (var i = 0, row; (row = this.rows[i]); i++) {
-    row.measure();
-    blockWidth = Math.max(blockWidth, row.width);
-    if (row.hasStatement) {
-      var statementInput = row.getLastInput();
-      var innerWidth = row.width - statementInput.width;
-      widestStatementRowFields = Math.max(widestStatementRowFields, innerWidth);
-    }
-    widestRowWithConnectedBlocks =
-        Math.max(widestRowWithConnectedBlocks, row.widthWithConnectedBlocks);
-  }
-
-  this.statementEdge = widestStatementRowFields;
-  this.width = blockWidth;
-
-  for (var i = 0, row; (row = this.rows[i]); i++) {
-    if (row.hasStatement) {
-      row.statementEdge = this.statementEdge;
-    }
-  }
-
-  this.widthWithChildren = Math.max(blockWidth, widestRowWithConnectedBlocks);
-
-  if (this.outputConnection) {
-    this.startX = this.outputConnection.width;
-    this.width += this.outputConnection.width;
-    this.widthWithChildren += this.outputConnection.width;
-  }
-};
-
-/**
- * Extra spacing may be necessary to make sure that the right sides of all
- * rows line up.  This can only be calculated after a first pass to calculate
- * the sizes of all rows.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.alignRowElements_ = function() {
-  for (var i = 0, row; (row = this.rows[i]); i++) {
-    if (row.hasStatement) {
-      this.alignStatementRow_(
-          /** @type {!Blockly.blockRendering.InputRow} */ (row));
-    } else {
-      var currentWidth = row.width;
-      var desiredWidth = this.getDesiredRowWidth_(row);
-      var missingSpace = desiredWidth - currentWidth;
-      if (missingSpace > 0) {
-        this.addAlignmentPadding_(row, missingSpace);
-      }
-      if (Blockly.blockRendering.Types.isTopOrBottomRow(row)) {
-        row.widthWithConnectedBlocks = row.width;
-      }
-    }
-  }
-};
-
-/**
- * Calculate the desired width of an input row.
- * @param {!Blockly.blockRendering.Row} _row The input row.
- * @return {number} The desired width of the input row.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.getDesiredRowWidth_ = function(
-    _row) {
-  return this.width - this.startX;
-};
-
-/**
- * Modify the given row to add the given amount of padding around its fields.
- * The exact location of the padding is based on the alignment property of the
- * last input in the field.
- * @param {Blockly.blockRendering.Row} row The row to add padding to.
- * @param {number} missingSpace How much padding to add.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.addAlignmentPadding_ = function(row,
-    missingSpace) {
-  var firstSpacer = row.getFirstSpacer();
-  var lastSpacer = row.getLastSpacer();
-  if (row.hasExternalInput || row.hasStatement) {
-    row.widthWithConnectedBlocks += missingSpace;
-  }
-
-  // Decide where the extra padding goes.
-  if (row.align == Blockly.ALIGN_LEFT) {
-    // Add padding to the end of the row.
-    lastSpacer.width += missingSpace;
-  } else if (row.align == Blockly.ALIGN_CENTRE) {
-    // Split the padding between the beginning and end of the row.
-    firstSpacer.width += missingSpace / 2;
-    lastSpacer.width += missingSpace / 2;
-  } else if (row.align == Blockly.ALIGN_RIGHT) {
-    // Add padding at the beginning of the row.
-    firstSpacer.width += missingSpace;
-  } else {
-    // Default to left-aligning.
-    lastSpacer.width += missingSpace;
-  }
-  row.width += missingSpace;
-};
-
-/**
- * Align the elements of a statement row based on computed bounds.
- * Unlike other types of rows, statement rows add space in multiple places.
- * @param {!Blockly.blockRendering.InputRow} row The statement row to resize.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.alignStatementRow_ = function(row) {
-  var statementInput = row.getLastInput();
-  var currentWidth = row.width - statementInput.width;
-  var desiredWidth = this.statementEdge;
-  // Add padding before the statement input.
-  var missingSpace = desiredWidth - currentWidth;
-  if (missingSpace > 0) {
-    this.addAlignmentPadding_(row, missingSpace);
-  }
-  // Also widen the statement input to reach to the right side of the
-  // block. Note that this does not add padding.
-  currentWidth = row.width;
-  desiredWidth = this.getDesiredRowWidth_(row);
-  statementInput.width += (desiredWidth - currentWidth);
-  statementInput.height = Math.max(statementInput.height, row.height);
-  row.width += (desiredWidth - currentWidth);
-  row.widthWithConnectedBlocks = Math.max(row.width,
-      this.statementEdge + row.connectedBlockWidths);
-};
-
-/**
- * Add spacers between rows and set their sizes.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.addRowSpacing_ = function() {
-  var oldRows = this.rows;
-  this.rows = [];
-
-  for (var r = 0; r < oldRows.length; r++) {
-    this.rows.push(oldRows[r]);
-    if (r != oldRows.length - 1) {
-      this.rows.push(this.makeSpacerRow_(oldRows[r], oldRows[r + 1]));
-    }
-  }
-};
-
-/**
- * Create a spacer row to go between prev and next, and set its size.
- * @param {!Blockly.blockRendering.Row} prev The previous row.
- * @param {!Blockly.blockRendering.Row} next The next row.
- * @return {!Blockly.blockRendering.SpacerRow} The newly created spacer row.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.makeSpacerRow_ = function(prev, next) {
-  var height = this.getSpacerRowHeight_(prev, next);
-  var width = this.getSpacerRowWidth_(prev, next);
-  var spacer = new Blockly.blockRendering.SpacerRow(
-      this.constants_, height, width);
-  if (prev.hasStatement) {
-    spacer.followsStatement = true;
-  }
-  if (next.hasStatement) {
-    spacer.precedesStatement = true;
-  }
-  return spacer;
-};
-
-/**
- * Calculate the width of a spacer row.
- * @param {!Blockly.blockRendering.Row} _prev The row before the spacer.
- * @param {!Blockly.blockRendering.Row} _next The row after the spacer.
- * @return {number} The desired width of the spacer row between these two rows.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.getSpacerRowWidth_ = function(
-    _prev, _next) {
-  return this.width - this.startX;
-};
-
-/**
- * Calculate the height of a spacer row.
- * @param {!Blockly.blockRendering.Row} _prev The row before the spacer.
- * @param {!Blockly.blockRendering.Row} _next The row after the spacer.
- * @return {number} The desired height of the spacer row between these two rows.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.getSpacerRowHeight_ = function(
-    _prev, _next) {
-  return this.constants_.MEDIUM_PADDING;
-};
-
-/**
- * Calculate the centerline of an element in a rendered row.
- * This base implementation puts the centerline at the middle of the row
- * vertically, with no special cases.  You will likely need extra logic to
- * handle (at minimum) top and bottom rows.
- * @param {!Blockly.blockRendering.Row} row The row containing the element.
- * @param {!Blockly.blockRendering.Measurable} elem The element to place.
- * @return {number} The desired centerline of the given element, as an offset
- *     from the top left of the block.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.getElemCenterline_ = function(row,
-    elem) {
-  if (Blockly.blockRendering.Types.isSpacer(elem)) {
-    return row.yPos + elem.height / 2;
-  }
-  if (Blockly.blockRendering.Types.isBottomRow(row)) {
-    var baseline = row.yPos + row.height - row.descenderHeight;
-    if (Blockly.blockRendering.Types.isNextConnection(elem)) {
-      return baseline + elem.height / 2;
-    }
-    return baseline - elem.height / 2;
-  }
-  if (Blockly.blockRendering.Types.isTopRow(row)) {
-    if (Blockly.blockRendering.Types.isHat(elem)) {
-      return row.capline - elem.height / 2;
-    }
-    return row.capline + elem.height / 2;
-  }
-  return row.yPos + row.height / 2;
-};
-
-/**
- * Record final position information on elements on the given row, for use in
- * drawing.  At minimum this records xPos and centerline on each element.
- * @param {!Blockly.blockRendering.Row} row The row containing the elements.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.recordElemPositions_ = function(
-    row) {
-  var xCursor = row.xPos;
-  for (var j = 0, elem; (elem = row.elements[j]); j++) {
-    // Now that row heights are finalized, make spacers use the row height.
-    if (Blockly.blockRendering.Types.isSpacer(elem)) {
-      elem.height = row.height;
-    }
-    elem.xPos = xCursor;
-    elem.centerline = this.getElemCenterline_(row, elem);
-    xCursor += elem.width;
-  }
-};
-
-/**
- * Make any final changes to the rendering information object.  In particular,
- * store the y position of each row, and record the height of the full block.
- * @protected
- */
-Blockly.blockRendering.RenderInfo.prototype.finalize_ = function() {
-  // Performance note: this could be combined with the draw pass, if the time
-  // that this takes is excessive.  But it shouldn't be, because it only
-  // accesses and sets properties that already exist on the objects.
-  var widestRowWithConnectedBlocks = 0;
-  var yCursor = 0;
-  for (var i = 0, row; (row = this.rows[i]); i++) {
-    row.yPos = yCursor;
-    row.xPos = this.startX;
-    yCursor += row.height;
-
-    widestRowWithConnectedBlocks =
-        Math.max(widestRowWithConnectedBlocks, row.widthWithConnectedBlocks);
-    this.recordElemPositions_(row);
-  }
-  if (this.outputConnection && this.block_.nextConnection &&
-      this.block_.nextConnection.isConnected()) {
-    // Include width of connected block in value to stack width measurement.
-    widestRowWithConnectedBlocks =
-        Math.max(widestRowWithConnectedBlocks,
-            this.block_.nextConnection.targetBlock().getHeightWidth().width);
-  }
-
-  this.widthWithChildren = widestRowWithConnectedBlocks + this.startX;
-
-  this.height = yCursor;
-  this.startY = this.topRow.capline;
-  this.bottomRow.baseline = yCursor - this.bottomRow.descenderHeight;
-};
diff --git a/core/renderers/common/info.ts b/core/renderers/common/info.ts
new file mode 100644
index 00000000000..995124c1b21
--- /dev/null
+++ b/core/renderers/common/info.ts
@@ -0,0 +1,768 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.RenderInfo
+
+import type {BlockSvg} from '../../block_svg.js';
+import {Input} from '../../inputs/input.js';
+import {Align} from '../../inputs/align.js';
+import type {RenderedConnection} from '../../rendered_connection.js';
+import type {Measurable} from '../measurables/base.js';
+import {BottomRow} from '../measurables/bottom_row.js';
+import {DummyInput} from '../../inputs/dummy_input.js';
+import {EndRowInput} from '../../inputs/end_row_input.js';
+import {ExternalValueInput} from '../measurables/external_value_input.js';
+import {Field} from '../measurables/field.js';
+import {Hat} from '../measurables/hat.js';
+import {Icon} from '../measurables/icon.js';
+import {InRowSpacer} from '../measurables/in_row_spacer.js';
+import {InlineInput} from '../measurables/inline_input.js';
+import {InputRow} from '../measurables/input_row.js';
+import {JaggedEdge} from '../measurables/jagged_edge.js';
+import {NextConnection} from '../measurables/next_connection.js';
+import {OutputConnection} from '../measurables/output_connection.js';
+import {PreviousConnection} from '../measurables/previous_connection.js';
+import {RoundCorner} from '../measurables/round_corner.js';
+import type {Row} from '../measurables/row.js';
+import {SpacerRow} from '../measurables/spacer_row.js';
+import {SquareCorner} from '../measurables/square_corner.js';
+import {StatementInput as StatementInputMeasurable} from '../measurables/statement_input.js';
+import {StatementInput} from '../../inputs/statement_input.js';
+import {TopRow} from '../measurables/top_row.js';
+import {Types} from '../measurables/types.js';
+import {ValueInput} from '../../inputs/value_input.js';
+
+import type {ConstantProvider} from './constants.js';
+import type {Renderer} from './renderer.js';
+import {Connection} from '../measurables/connection.js';
+
+/**
+ * An object containing all sizing information needed to draw this block.
+ *
+ * This measure pass does not propagate changes to the block (although fields
+ * may choose to rerender when getSize() is called).  However, calling it
+ * repeatedly may be expensive.
+ */
+export class RenderInfo {
+  block_: BlockSvg;
+  protected constants_: ConstantProvider;
+  outputConnection: OutputConnection | null;
+  isInline: boolean;
+  isCollapsed: boolean;
+  isInsertionMarker: boolean;
+  RTL: boolean;
+
+  /** The block renderer in use. */
+  protected readonly renderer_!: Renderer;
+
+  /** The height of the rendered block, including child blocks. */
+  height = 0;
+
+  /** The width of the rendered block, including child blocks. */
+  widthWithChildren = 0;
+
+  /**
+   * The width of the rendered block, excluding child blocks.  This is the
+   * right edge of the block when rendered LTR.
+   */
+  width = 0;
+  statementEdge = 0;
+
+  /** An array of Row objects containing sizing information. */
+  rows: Row[] = [];
+
+  /** An array of input rows on the block. */
+  inputRows: InputRow[] = [];
+
+  topRow: TopRow;
+  bottomRow: BottomRow;
+
+  // The position of the start point for drawing, relative to the block's
+  // location.
+  startX = 0;
+  startY = 0;
+
+  /**
+   * @param renderer The renderer in use.
+   * @param block The block to measure.
+   */
+  constructor(renderer: Renderer, block: BlockSvg) {
+    this.renderer_ = renderer;
+
+    this.block_ = block;
+
+    /** The renderer's constant provider. */
+    this.constants_ = this.renderer_.getConstants();
+
+    /**
+     * A measurable representing the output connection if the block has one.
+     * Otherwise null.
+     */
+    this.outputConnection = block.outputConnection
+      ? new OutputConnection(this.constants_, block.outputConnection)
+      : null;
+
+    /**
+     * Whether the block should be rendered as a single line, either because
+     * it's inline or because it has been collapsed.
+     */
+    this.isInline = block.getInputsInline() && !block.isCollapsed();
+
+    /** Whether the block is collapsed. */
+    this.isCollapsed = block.isCollapsed();
+
+    /**
+     * Whether the block is an insertion marker.  Insertion markers are the same
+     * shape as normal blocks, but don't show fields.
+     */
+    this.isInsertionMarker = block.isInsertionMarker();
+
+    /** True if the block should be rendered right-to-left. */
+    this.RTL = block.RTL;
+
+    /**
+     * An object with rendering information about the top row of the block.
+     */
+    this.topRow = new TopRow(this.constants_);
+
+    /**
+     * An object with rendering information about the bottom row of the block.
+     */
+    this.bottomRow = new BottomRow(this.constants_);
+  }
+
+  /**
+   * Get the block renderer in use.
+   *
+   * @returns The block renderer in use.
+   */
+  getRenderer(): Renderer {
+    return this.renderer_;
+  }
+
+  /**
+   * Populate this object with all sizing information needed to draw the block.
+   *
+   * This measure pass does not propagate changes to the block (although fields
+   * may choose to rerender when getSize() is called).  However, calling it
+   * repeatedly may be expensive.
+   */
+  measure() {
+    this.createRows_();
+    this.addElemSpacing_();
+    this.addRowSpacing_();
+    this.computeBounds_();
+    this.alignRowElements_();
+    this.finalize_();
+  }
+
+  /**
+   * Create rows of Measurable objects representing all renderable parts of the
+   * block.
+   */
+  protected createRows_() {
+    this.populateTopRow_();
+    this.rows.push(this.topRow);
+    let activeRow = new InputRow(this.constants_);
+    this.inputRows.push(activeRow);
+
+    // Icons always go on the first row, before anything else.
+    const icons = this.block_.getIcons();
+    for (let i = 0, icon; (icon = icons[i]); i++) {
+      const iconInfo = new Icon(this.constants_, icon);
+      if (!this.isCollapsed || icon.isShownWhenCollapsed()) {
+        activeRow.elements.push(iconInfo);
+      }
+    }
+
+    let lastInput = undefined;
+    // Loop across all of the inputs on the block, creating objects for anything
+    // that needs to be rendered and breaking the block up into visual rows.
+    for (let i = 0, input; (input = this.block_.inputList[i]); i++) {
+      if (!input.isVisible()) {
+        continue;
+      }
+      if (this.shouldStartNewRow_(input, lastInput)) {
+        // Finish this row and create a new one.
+        this.rows.push(activeRow);
+        activeRow = new InputRow(this.constants_);
+        this.inputRows.push(activeRow);
+      }
+
+      // All of the fields in an input go on the same row.
+      for (let j = 0, field; (field = input.fieldRow[j]); j++) {
+        activeRow.elements.push(new Field(this.constants_, field, input));
+      }
+      this.addInput_(input, activeRow);
+      lastInput = input;
+    }
+
+    if (this.isCollapsed) {
+      activeRow.hasJaggedEdge = true;
+      activeRow.elements.push(new JaggedEdge(this.constants_));
+    }
+
+    if (activeRow.elements.length || activeRow.hasDummyInput) {
+      this.rows.push(activeRow);
+    }
+    this.populateBottomRow_();
+    this.rows.push(this.bottomRow);
+  }
+
+  /**
+   * Create all non-spacer elements that belong on the top row.
+   */
+  protected populateTopRow_() {
+    const hasPrevious = !!this.block_.previousConnection;
+    const hasHat =
+      (this.block_.hat
+        ? this.block_.hat === 'cap'
+        : this.constants_.ADD_START_HATS) &&
+      !this.outputConnection &&
+      !hasPrevious;
+
+    let cornerClass = this.topRow.hasLeftSquareCorner(this.block_)
+      ? SquareCorner
+      : RoundCorner;
+    this.topRow.elements.push(new cornerClass(this.constants_));
+
+    if (hasHat) {
+      const hat = new Hat(this.constants_);
+      this.topRow.elements.push(hat);
+      this.topRow.capline = hat.ascenderHeight;
+    } else if (hasPrevious) {
+      this.topRow.hasPreviousConnection = true;
+      this.topRow.connection = new PreviousConnection(
+        this.constants_,
+        this.block_.previousConnection as RenderedConnection,
+      );
+      this.topRow.elements.push(this.topRow.connection);
+    }
+
+    const precedesStatement =
+      this.block_.inputList.length &&
+      this.block_.inputList[0] instanceof StatementInput;
+
+    // This is the minimum height for the row. If one of its elements has a
+    // greater height it will be overwritten in the compute pass.
+    if (precedesStatement && !this.block_.isCollapsed()) {
+      this.topRow.minHeight =
+        this.constants_.TOP_ROW_PRECEDES_STATEMENT_MIN_HEIGHT;
+    } else {
+      this.topRow.minHeight = this.constants_.TOP_ROW_MIN_HEIGHT;
+    }
+
+    cornerClass = this.topRow.hasRightSquareCorner(this.block_)
+      ? SquareCorner
+      : RoundCorner;
+    this.topRow.elements.push(new cornerClass(this.constants_, 'right'));
+  }
+
+  /**
+   * Create all non-spacer elements that belong on the bottom row.
+   */
+  protected populateBottomRow_() {
+    this.bottomRow.hasNextConnection = !!this.block_.nextConnection;
+
+    const followsStatement =
+      this.block_.inputList.length &&
+      this.block_.inputList[this.block_.inputList.length - 1] instanceof
+        StatementInput;
+
+    // This is the minimum height for the row. If one of its elements has a
+    // greater height it will be overwritten in the compute pass.
+    if (followsStatement) {
+      this.bottomRow.minHeight =
+        this.constants_.BOTTOM_ROW_AFTER_STATEMENT_MIN_HEIGHT;
+    } else {
+      this.bottomRow.minHeight = this.constants_.BOTTOM_ROW_MIN_HEIGHT;
+    }
+
+    const leftSquareCorner = this.bottomRow.hasLeftSquareCorner(this.block_);
+
+    if (leftSquareCorner) {
+      this.bottomRow.elements.push(new SquareCorner(this.constants_));
+    } else {
+      this.bottomRow.elements.push(new RoundCorner(this.constants_));
+    }
+
+    if (this.bottomRow.hasNextConnection) {
+      this.bottomRow.connection = new NextConnection(
+        this.constants_,
+        this.block_.nextConnection as RenderedConnection,
+      );
+      this.bottomRow.elements.push(this.bottomRow.connection);
+    }
+
+    const rightSquareCorner = this.bottomRow.hasRightSquareCorner(this.block_);
+
+    if (rightSquareCorner) {
+      this.bottomRow.elements.push(new SquareCorner(this.constants_, 'right'));
+    } else {
+      this.bottomRow.elements.push(new RoundCorner(this.constants_, 'right'));
+    }
+  }
+
+  /**
+   * Add an input element to the active row, if needed, and record the type of
+   * the input on the row.
+   *
+   * @param input The input to record information about.
+   * @param activeRow The row that is currently being populated.
+   */
+  protected addInput_(input: Input, activeRow: Row) {
+    // Non-dummy inputs have visual representations onscreen.
+    if (this.isInline && input instanceof ValueInput) {
+      activeRow.elements.push(new InlineInput(this.constants_, input));
+      activeRow.hasInlineInput = true;
+    } else if (input instanceof StatementInput) {
+      activeRow.elements.push(
+        new StatementInputMeasurable(this.constants_, input),
+      );
+      activeRow.hasStatement = true;
+    } else if (input instanceof ValueInput) {
+      activeRow.elements.push(new ExternalValueInput(this.constants_, input));
+      activeRow.hasExternalInput = true;
+    } else if (input instanceof DummyInput || input instanceof EndRowInput) {
+      // Dummy and end-row inputs have no visual representation, but the
+      // information is still important.
+      activeRow.minHeight = Math.max(
+        activeRow.minHeight,
+        input.getSourceBlock() && input.getSourceBlock()!.isShadow()
+          ? this.constants_.DUMMY_INPUT_SHADOW_MIN_HEIGHT
+          : this.constants_.DUMMY_INPUT_MIN_HEIGHT,
+      );
+      activeRow.hasDummyInput = true;
+    }
+    if (activeRow.align === null) {
+      activeRow.align = input.align;
+    }
+  }
+
+  /**
+   * Decide whether to start a new row between the two Blockly.Inputs.
+   *
+   * @param currInput The current input.
+   * @param prevInput The previous input.
+   * @returns True if the current input should be rendered on a new row.
+   */
+  protected shouldStartNewRow_(currInput: Input, prevInput?: Input): boolean {
+    // If this is the first input, just add to the existing row.
+    // That row is either empty or has some icons in it.
+    if (!prevInput) {
+      return false;
+    }
+    // If the previous input was an end-row input, then any following input
+    // should always be rendered on the next row.
+    if (prevInput instanceof EndRowInput) {
+      return true;
+    }
+    // A statement input or an input following one always gets a new row.
+    if (
+      currInput instanceof StatementInput ||
+      prevInput instanceof StatementInput
+    ) {
+      return true;
+    }
+    // Value inputs, dummy inputs, and any input following an external value
+    // input get a new row if inputs are not inlined.
+    if (
+      currInput instanceof ValueInput ||
+      currInput instanceof DummyInput ||
+      prevInput instanceof ValueInput
+    ) {
+      return !this.isInline;
+    }
+    return false;
+  }
+
+  /** Add horizontal spacing between and around elements within each row. */
+  protected addElemSpacing_() {
+    for (let i = 0, row; (row = this.rows[i]); i++) {
+      const oldElems = row.elements;
+      row.elements = [];
+      // No spacing needed before the corner on the top row or the bottom row.
+      if (row.startsWithElemSpacer()) {
+        // There's a spacer before the first element in the row.
+        row.elements.push(
+          new InRowSpacer(
+            this.constants_,
+            this.getInRowSpacing_(null, oldElems[0]),
+          ),
+        );
+      }
+      if (!oldElems.length) {
+        continue;
+      }
+      for (let e = 0; e < oldElems.length - 1; e++) {
+        row.elements.push(oldElems[e]);
+        const spacing = this.getInRowSpacing_(oldElems[e], oldElems[e + 1]);
+        row.elements.push(new InRowSpacer(this.constants_, spacing));
+      }
+      row.elements.push(oldElems[oldElems.length - 1]);
+      if (row.endsWithElemSpacer()) {
+        // There's a spacer after the last element in the row.
+        row.elements.push(
+          new InRowSpacer(
+            this.constants_,
+            this.getInRowSpacing_(oldElems[oldElems.length - 1], null),
+          ),
+        );
+      }
+    }
+  }
+
+  /**
+   * Calculate the width of a spacer element in a row based on the previous and
+   * next elements in that row.  For instance, extra padding is added between
+   * two editable fields.
+   *
+   * @param prev The element before the spacer.
+   * @param next The element after the spacer.
+   * @returns The size of the spacing between the two elements.
+   */
+  protected getInRowSpacing_(
+    prev: Measurable | null,
+    next: Measurable | null,
+  ): number {
+    if (!prev) {
+      // Statement input padding.
+      if (next && Types.isStatementInput(next)) {
+        return this.constants_.STATEMENT_INPUT_PADDING_LEFT;
+      }
+    }
+    // Between inputs and the end of the row.
+    if (prev && Types.isInput(prev) && !next) {
+      if (Types.isExternalInput(prev)) {
+        return this.constants_.NO_PADDING;
+      } else if (Types.isInlineInput(prev)) {
+        return this.constants_.LARGE_PADDING;
+      } else if (Types.isStatementInput(prev)) {
+        return this.constants_.NO_PADDING;
+      }
+    }
+
+    // Spacing between a square corner and a previous or next connection
+    if (prev && Types.isLeftSquareCorner(prev) && next) {
+      if (Types.isPreviousConnection(next) || Types.isNextConnection(next)) {
+        return next.notchOffset;
+      }
+    }
+
+    // Spacing between a rounded corner and a previous or next connection.
+    if (prev && Types.isLeftRoundedCorner(prev) && next) {
+      if (Types.isPreviousConnection(next) || Types.isNextConnection(next)) {
+        return next.notchOffset - this.constants_.CORNER_RADIUS;
+      }
+    }
+
+    return this.constants_.MEDIUM_PADDING;
+  }
+
+  /**
+   * Figure out where the right edge of the block and right edge of statement
+   * inputs should be placed.
+   */
+  protected computeBounds_() {
+    let widestStatementRowFields = 0;
+    let blockWidth = 0;
+    let widestRowWithConnectedBlocks = 0;
+    for (let i = 0, row; (row = this.rows[i]); i++) {
+      row.measure();
+      blockWidth = Math.max(blockWidth, row.width);
+      if (row.hasStatement) {
+        const statementInput = row.getLastInput();
+        const innerWidth = row.width - (statementInput?.width ?? 0);
+        widestStatementRowFields = Math.max(
+          widestStatementRowFields,
+          innerWidth,
+        );
+      }
+      widestRowWithConnectedBlocks = Math.max(
+        widestRowWithConnectedBlocks,
+        row.widthWithConnectedBlocks,
+      );
+    }
+
+    this.statementEdge = widestStatementRowFields;
+    this.width = blockWidth;
+
+    for (let i = 0, row; (row = this.rows[i]); i++) {
+      if (row.hasStatement) {
+        row.statementEdge = this.statementEdge;
+      }
+    }
+
+    this.widthWithChildren = Math.max(blockWidth, widestRowWithConnectedBlocks);
+
+    if (this.outputConnection) {
+      this.startX = this.outputConnection.width;
+      this.width += this.outputConnection.width;
+      this.widthWithChildren += this.outputConnection.width;
+    }
+  }
+
+  /**
+   * Extra spacing may be necessary to make sure that the right sides of all
+   * rows line up.  This can only be calculated after a first pass to calculate
+   * the sizes of all rows.
+   */
+  protected alignRowElements_() {
+    for (let i = 0, row; (row = this.rows[i]); i++) {
+      if (row.hasStatement) {
+        this.alignStatementRow_(row as InputRow);
+      } else {
+        const currentWidth = row.width;
+        const desiredWidth = this.getDesiredRowWidth_(row);
+        const missingSpace = desiredWidth - currentWidth;
+        if (missingSpace > 0) {
+          this.addAlignmentPadding_(row, missingSpace);
+        }
+        if (Types.isTopOrBottomRow(row)) {
+          row.widthWithConnectedBlocks = row.width;
+        }
+      }
+    }
+  }
+
+  /**
+   * Calculate the desired width of an input row.
+   *
+   * @param _row The input row.
+   * @returns The desired width of the input row.
+   */
+  protected getDesiredRowWidth_(_row: Row): number {
+    return this.width - this.startX;
+  }
+
+  /**
+   * Modify the given row to add the given amount of padding around its fields.
+   * The exact location of the padding is based on the alignment property of the
+   * last input in the field.
+   *
+   * @param row The row to add padding to.
+   * @param missingSpace How much padding to add.
+   */
+  protected addAlignmentPadding_(row: Row, missingSpace: number) {
+    const firstSpacer = row.getFirstSpacer();
+    const lastSpacer = row.getLastSpacer();
+    if (row.hasExternalInput || row.hasStatement) {
+      row.widthWithConnectedBlocks += missingSpace;
+    }
+
+    // Decide where the extra padding goes.
+    if (row.align === Align.LEFT && lastSpacer) {
+      // Add padding to the end of the row.
+      lastSpacer.width += missingSpace;
+    } else if (row.align === Align.CENTRE && firstSpacer && lastSpacer) {
+      // Split the padding between the beginning and end of the row.
+      firstSpacer.width += missingSpace / 2;
+      lastSpacer.width += missingSpace / 2;
+    } else if (row.align === Align.RIGHT && firstSpacer) {
+      // Add padding at the beginning of the row.
+      firstSpacer.width += missingSpace;
+    } else if (lastSpacer) {
+      // Default to left-aligning.
+      lastSpacer.width += missingSpace;
+    } else {
+      return;
+    }
+    row.width += missingSpace;
+  }
+
+  /**
+   * Align the elements of a statement row based on computed bounds.
+   * Unlike other types of rows, statement rows add space in multiple places.
+   *
+   * @param row The statement row to resize.
+   */
+  protected alignStatementRow_(row: InputRow) {
+    const statementInput = row.getLastInput();
+    if (!statementInput) return;
+    let currentWidth = row.width - statementInput.width;
+    let desiredWidth = this.statementEdge;
+    // Add padding before the statement input.
+    const missingSpace = desiredWidth - currentWidth;
+    if (missingSpace > 0) {
+      this.addAlignmentPadding_(row, missingSpace);
+    }
+    // Also widen the statement input to reach to the right side of the
+    // block. Note that this does not add padding.
+    currentWidth = row.width;
+    desiredWidth = this.getDesiredRowWidth_(row);
+    statementInput.width += desiredWidth - currentWidth;
+    statementInput.height = Math.max(statementInput.height, row.height);
+    row.width += desiredWidth - currentWidth;
+    row.widthWithConnectedBlocks = Math.max(
+      row.width,
+      this.statementEdge + row.connectedBlockWidths,
+    );
+  }
+
+  /** Add spacers between rows and set their sizes. */
+  protected addRowSpacing_() {
+    const oldRows = this.rows;
+    this.rows = [];
+
+    for (let r = 0; r < oldRows.length; r++) {
+      this.rows.push(oldRows[r]);
+      if (r !== oldRows.length - 1) {
+        this.rows.push(this.makeSpacerRow_(oldRows[r], oldRows[r + 1]));
+      }
+    }
+  }
+
+  /**
+   * Create a spacer row to go between prev and next, and set its size.
+   *
+   * @param prev The previous row.
+   * @param next The next row.
+   * @returns The newly created spacer row.
+   */
+  protected makeSpacerRow_(prev: Row, next: Row): SpacerRow {
+    const height = this.getSpacerRowHeight_(prev, next);
+    const width = this.getSpacerRowWidth_(prev, next);
+    const spacer = new SpacerRow(this.constants_, height, width);
+    if (prev.hasStatement) {
+      spacer.followsStatement = true;
+    }
+    if (next.hasStatement) {
+      spacer.precedesStatement = true;
+    }
+    return spacer;
+  }
+
+  /**
+   * Calculate the width of a spacer row.
+   *
+   * @param _prev The row before the spacer.
+   * @param _next The row after the spacer.
+   * @returns The desired width of the spacer row between these two rows.
+   */
+  protected getSpacerRowWidth_(_prev: Row, _next: Row): number {
+    return this.width - this.startX;
+  }
+
+  /**
+   * Calculate the height of a spacer row.
+   *
+   * @param _prev The row before the spacer.
+   * @param _next The row after the spacer.
+   * @returns The desired height of the spacer row between these two rows.
+   */
+  protected getSpacerRowHeight_(_prev: Row, _next: Row): number {
+    return this.constants_.MEDIUM_PADDING;
+  }
+
+  /**
+   * Calculate the centerline of an element in a rendered row.
+   * This base implementation puts the centerline at the middle of the row
+   * vertically, with no special cases.  You will likely need extra logic to
+   * handle (at minimum) top and bottom rows.
+   *
+   * @param row The row containing the element.
+   * @param elem The element to place.
+   * @returns The desired centerline of the given element, as an offset from the
+   *     top left of the block.
+   */
+  protected getElemCenterline_(row: Row, elem: Measurable): number {
+    if (Types.isSpacer(elem)) {
+      return row.yPos + elem.height / 2;
+    }
+    if (Types.isBottomRow(row)) {
+      const bottomRow = row as BottomRow;
+      const baseline =
+        bottomRow.yPos + bottomRow.height - bottomRow.descenderHeight;
+      if (Types.isNextConnection(elem)) {
+        return baseline + elem.height / 2;
+      }
+      return baseline - elem.height / 2;
+    }
+    if (Types.isTopRow(row)) {
+      const topRow = row as TopRow;
+      if (Types.isHat(elem)) {
+        return topRow.capline - elem.height / 2;
+      }
+      return topRow.capline + elem.height / 2;
+    }
+    return row.yPos + row.height / 2;
+  }
+
+  /**
+   * Record final position information on elements on the given row, for use in
+   * drawing.  At minimum this records xPos and centerline on each element.
+   *
+   * @param row The row containing the elements.
+   */
+  protected recordElemPositions_(row: Row) {
+    let xCursor = row.xPos;
+    for (let j = 0, elem; (elem = row.elements[j]); j++) {
+      // Now that row heights are finalized, make spacers use the row height.
+      if (Types.isSpacer(elem)) {
+        elem.height = row.height;
+      }
+      elem.xPos = xCursor;
+      elem.centerline = this.getElemCenterline_(row, elem);
+      xCursor += elem.width;
+    }
+  }
+
+  /**
+   * Make any final changes to the rendering information object.  In particular,
+   * store the y position of each row, and record the height of the full block.
+   */
+  protected finalize_() {
+    // Performance note: this could be combined with the draw pass, if the time
+    // that this takes is excessive.  But it shouldn't be, because it only
+    // accesses and sets properties that already exist on the objects.
+    let widestRowWithConnectedBlocks = 0;
+    let yCursor = 0;
+    for (let i = 0, row; (row = this.rows[i]); i++) {
+      row.yPos = yCursor;
+      row.xPos = this.startX;
+      yCursor += row.height;
+
+      widestRowWithConnectedBlocks = Math.max(
+        widestRowWithConnectedBlocks,
+        row.widthWithConnectedBlocks,
+      );
+      this.recordElemPositions_(row);
+    }
+    if (this.outputConnection && this.block_.nextConnection) {
+      const target = this.block_.nextConnection.targetBlock();
+      if (target) {
+        // Include width of connected block in value to stack width measurement.
+        widestRowWithConnectedBlocks = Math.max(
+          widestRowWithConnectedBlocks,
+          target.getHeightWidth().width,
+        );
+      }
+    }
+
+    this.widthWithChildren = widestRowWithConnectedBlocks + this.startX;
+
+    this.height = yCursor;
+    this.startY = this.topRow.capline;
+    this.bottomRow.baseline = yCursor - this.bottomRow.descenderHeight;
+  }
+
+  /** Returns the connection measurable associated with the given connection. */
+  getMeasureableForConnection(conn: RenderedConnection): Connection | null {
+    if (this.outputConnection?.connectionModel === conn) {
+      return this.outputConnection;
+    }
+
+    for (const row of this.rows) {
+      for (const elem of row.elements) {
+        if (elem instanceof Connection && elem.connectionModel === conn) {
+          return elem;
+        }
+      }
+    }
+
+    return null;
+  }
+}
diff --git a/core/renderers/common/marker_svg.js b/core/renderers/common/marker_svg.js
deleted file mode 100644
index 079dcecbfdb..00000000000
--- a/core/renderers/common/marker_svg.js
+++ /dev/null
@@ -1,687 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Methods for graphically rendering a marker as SVG.
- * @author samelh@microsoft.com (Sam El-Husseini)
- */
-'use strict';
-
-
-goog.provide('Blockly.blockRendering.MarkerSvg');
-
-goog.require('Blockly.ASTNode');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * Class for a marker.
- * @param {!Blockly.WorkspaceSvg} workspace The workspace the marker belongs to.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The constants for
- *     the renderer.
- * @param {!Blockly.Marker} marker The marker to draw.
- * @constructor
- */
-Blockly.blockRendering.MarkerSvg = function(workspace, constants, marker) {
-  /**
-   * The workspace the marker belongs to.
-   * @type {!Blockly.WorkspaceSvg}
-   * @private
-   */
-  this.workspace_ = workspace;
-
-  /**
-   * The marker to draw.
-   * @type {!Blockly.Marker}
-   * @private
-   */
-  this.marker_ = marker;
-
-  /**
-   * The workspace, field, or block that the marker SVG element should be
-   * attached to.
-   * @type {Blockly.IASTNodeLocationSvg}
-   * @private
-   */
-  this.parent_ = null;
-
-  /**
-   * The constants necessary to draw the marker.
-   * @type {Blockly.blockRendering.ConstantProvider}
-   * @protected
-   */
-  this.constants_ = constants;
-
-  /**
-   * The current SVG element for the marker.
-   * @type {Element}
-   */
-  this.currentMarkerSvg = null;
-
-  var defaultColour = this.isCursor() ? this.constants_.CURSOR_COLOUR :
-      this.constants_.MARKER_COLOUR;
-
-  /**
-   * The colour of the marker.
-   * @type {string}
-   */
-  this.colour_ = marker.colour || defaultColour;
-};
-
-/**
- * The name of the CSS class for a cursor.
- * @const {string}
- */
-Blockly.blockRendering.MarkerSvg.CURSOR_CLASS = 'blocklyCursor';
-
-/**
- * The name of the CSS class for a marker.
- * @const {string}
- */
-Blockly.blockRendering.MarkerSvg.MARKER_CLASS = 'blocklyMarker';
-
-/**
- * What we multiply the height by to get the height of the marker.
- * Only used for the block and block connections.
- * @const {number}
- */
-Blockly.blockRendering.MarkerSvg.HEIGHT_MULTIPLIER = 3 / 4;
-
-/**
- * Return the root node of the SVG or null if none exists.
- * @return {SVGElement} The root SVG node.
- */
-Blockly.blockRendering.MarkerSvg.prototype.getSvgRoot = function() {
-  return this.svgGroup_;
-};
-
-/**
- * Get the marker.
- * @return {!Blockly.Marker} The marker to draw for.
- */
-Blockly.blockRendering.MarkerSvg.prototype.getMarker = function() {
-  return this.marker_;
-};
-
-/**
- * True if the marker should be drawn as a cursor, false otherwise.
- * A cursor is drawn as a flashing line. A marker is drawn as a solid line.
- * @return {boolean} True if the marker is a cursor, false otherwise.
- */
-Blockly.blockRendering.MarkerSvg.prototype.isCursor = function() {
-  return this.marker_.type == 'cursor';
-};
-
-/**
- * Create the DOM element for the marker.
- * @return {!SVGElement} The marker controls SVG group.
- * @package
- */
-Blockly.blockRendering.MarkerSvg.prototype.createDom = function() {
-  var className = this.isCursor() ?
-      Blockly.blockRendering.MarkerSvg.CURSOR_CLASS :
-      Blockly.blockRendering.MarkerSvg.MARKER_CLASS;
-
-  this.svgGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G, {
-        'class': className
-      }, null);
-
-  this.createDomInternal_();
-  return this.svgGroup_;
-};
-
-/**
- * Attaches the SVG root of the marker to the SVG group of the parent.
- * @param {!Blockly.IASTNodeLocationSvg} newParent The workspace, field, or
- *     block that the marker SVG element should be attached to.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.setParent_ = function(newParent) {
-  if (!this.isCursor()) {
-    if (this.parent_) {
-      this.parent_.setMarkerSvg(null);
-    }
-    newParent.setMarkerSvg(this.getSvgRoot());
-  } else {
-    if (this.parent_) {
-      this.parent_.setCursorSvg(null);
-    }
-    newParent.setCursorSvg(this.getSvgRoot());
-  }
-  this.parent_ = newParent;
-};
-
-/**
- * Update the marker.
- * @param {Blockly.ASTNode} oldNode The previous node the marker was on or null.
- * @param {Blockly.ASTNode} curNode The node that we want to draw the marker for.
- */
-Blockly.blockRendering.MarkerSvg.prototype.draw = function(oldNode, curNode) {
-  if (!curNode) {
-    this.hide();
-    return;
-  }
-
-  this.constants_ = this.workspace_.getRenderer().getConstants();
-
-  var defaultColour = this.isCursor() ? this.constants_.CURSOR_COLOUR :
-    this.constants_.MARKER_COLOUR;
-  this.colour_ = this.marker_.colour || defaultColour;
-  this.applyColour_(curNode);
-
-  this.showAtLocation_(curNode);
-
-  this.fireMarkerEvent_(oldNode, curNode);
-
-  // Ensures the marker will be visible immediately after the move.
-  var animate = this.currentMarkerSvg.childNodes[0];
-  if (animate !== undefined) {
-    animate.beginElement && animate.beginElement();
-  }
-};
-
-
-/**
- * Update the marker's visible state based on the type of curNode..
- * @param {!Blockly.ASTNode} curNode The node that we want to draw the marker for.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.showAtLocation_ = function(curNode) {
-  var curNodeAsConnection =
-    /** @type {!Blockly.Connection} */ (curNode.getLocation());
-  if (curNode.getType() == Blockly.ASTNode.types.BLOCK) {
-    this.showWithBlock_(curNode);
-  } else if (curNode.getType() == Blockly.ASTNode.types.OUTPUT) {
-    this.showWithOutput_(curNode);
-  } else if (curNodeAsConnection.type == Blockly.INPUT_VALUE) {
-    this.showWithInput_(curNode);
-  } else if (curNodeAsConnection.type == Blockly.NEXT_STATEMENT) {
-    this.showWithNext_(curNode);
-  } else if (curNode.getType() == Blockly.ASTNode.types.PREVIOUS) {
-    this.showWithPrevious_(curNode);
-  } else if (curNode.getType() == Blockly.ASTNode.types.FIELD) {
-    this.showWithField_(curNode);
-  } else if (curNode.getType() == Blockly.ASTNode.types.WORKSPACE) {
-    this.showWithCoordinates_(curNode);
-  } else if (curNode.getType() == Blockly.ASTNode.types.STACK) {
-    this.showWithStack_(curNode);
-  }
-};
-
-/**************************
- * Display
- **************************/
-
-/**
- * Show the marker as a combination of the previous connection and block,
- * the output connection and block, or just the block.
- * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
- * @private
- */
-Blockly.blockRendering.MarkerSvg.prototype.showWithBlockPrevOutput_ = function(
-    curNode) {
-  var block = /** @type {!Blockly.BlockSvg} */ (curNode.getSourceBlock());
-  var width = block.width;
-  var height = block.height;
-  var markerHeight = height * Blockly.blockRendering.MarkerSvg.HEIGHT_MULTIPLIER;
-  var markerOffset = this.constants_.CURSOR_BLOCK_PADDING;
-
-  if (block.previousConnection) {
-    var connectionShape = this.constants_.shapeFor(block.previousConnection);
-    this.positionPrevious_(width, markerOffset, markerHeight, connectionShape);
-  } else if (block.outputConnection) {
-    var connectionShape = this.constants_.shapeFor(block.outputConnection);
-    this.positionOutput_(width, height, connectionShape);
-  } else {
-    this.positionBlock_(width, markerOffset, markerHeight);
-  }
-  this.setParent_(block);
-  this.showCurrent_();
-};
-
-/**
- * Position and display the marker for a block.
- * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.showWithBlock_ = function(curNode) {
-  this.showWithBlockPrevOutput_(curNode);
-};
-
-/**
- * Position and display the marker for a previous connection.
- * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.showWithPrevious_ = function(
-    curNode) {
-  this.showWithBlockPrevOutput_(curNode);
-};
-
-/**
- * Position and display the marker for an output connection.
- * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.showWithOutput_ = function(curNode) {
-  this.showWithBlockPrevOutput_(curNode);
-};
-
-/**
- * Position and display the marker for a workspace coordinate.
- * This is a horizontal line.
- * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.showWithCoordinates_ = function(
-    curNode) {
-  var wsCoordinate = curNode.getWsCoordinate();
-  var x = wsCoordinate.x;
-  var y = wsCoordinate.y;
-
-  if (this.workspace_.RTL) {
-    x -= this.constants_.CURSOR_WS_WIDTH;
-  }
-
-  this.positionLine_(x, y, this.constants_.CURSOR_WS_WIDTH);
-  this.setParent_(this.workspace_);
-  this.showCurrent_();
-};
-
-/**
- * Position and display the marker for a field.
- * This is a box around the field.
- * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.showWithField_ = function(curNode) {
-  var field = /** @type {Blockly.Field} */ (curNode.getLocation());
-  var width = field.getSize().width;
-  var height = field.getSize().height;
-
-  this.positionRect_(0, 0, width, height);
-  this.setParent_(field);
-  this.showCurrent_();
-};
-
-/**
- * Position and display the marker for an input.
- * This is a puzzle piece.
- * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.showWithInput_ = function(curNode) {
-  var connection = /** @type {Blockly.RenderedConnection} */
-      (curNode.getLocation());
-  var sourceBlock = /** @type {!Blockly.BlockSvg} */ (connection.getSourceBlock());
-
-  this.positionInput_(connection);
-  this.setParent_(sourceBlock);
-  this.showCurrent_();
-};
-
-
-/**
- * Position and display the marker for a next connection.
- * This is a horizontal line.
- * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.showWithNext_ = function(curNode) {
-  var connection =
-    /** @type {!Blockly.RenderedConnection} */ (curNode.getLocation());
-  var targetBlock =
-    /** @type {Blockly.BlockSvg} */ (connection.getSourceBlock());
-  var x = 0;
-  var y = connection.getOffsetInBlock().y;
-  var width = targetBlock.getHeightWidth().width;
-  if (this.workspace_.RTL) {
-    x = -width;
-  }
-  this.positionLine_(x, y, width);
-  this.setParent_(targetBlock);
-  this.showCurrent_();
-};
-
-/**
- * Position and display the marker for a stack.
- * This is a box with extra padding around the entire stack of blocks.
- * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.showWithStack_ = function(curNode) {
-  var block = /** @type {Blockly.BlockSvg} */ (curNode.getLocation());
-
-  // Gets the height and width of entire stack.
-  var heightWidth = block.getHeightWidth();
-
-  // Add padding so that being on a stack looks different than being on a block.
-  var width = heightWidth.width + this.constants_.CURSOR_STACK_PADDING;
-  var height = heightWidth.height + this.constants_.CURSOR_STACK_PADDING;
-
-  // Shift the rectangle slightly to upper left so padding is equal on all sides.
-  var xPadding = -this.constants_.CURSOR_STACK_PADDING / 2;
-  var yPadding = -this.constants_.CURSOR_STACK_PADDING / 2;
-
-  var x = xPadding;
-  var y = yPadding;
-
-  if (this.workspace_.RTL) {
-    x = -(width + xPadding);
-  }
-  this.positionRect_(x, y, width, height);
-  this.setParent_(block);
-  this.showCurrent_();
-};
-
-/**
- * Show the current marker.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.showCurrent_ = function() {
-  this.hide();
-  this.currentMarkerSvg.style.display = '';
-};
-
-/**************************
- * Position
- **************************/
-
-/**
- * Position the marker for a block.
- * Displays an outline of the top half of a rectangle around a block.
- * @param {number} width The width of the block.
- * @param {number} markerOffset The extra padding for around the block.
- * @param {number} markerHeight The height of the marker.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.positionBlock_ = function(
-    width, markerOffset, markerHeight) {
-  var markerPath = Blockly.utils.svgPaths.moveBy(-markerOffset, markerHeight) +
-      Blockly.utils.svgPaths.lineOnAxis('V', -markerOffset) +
-      Blockly.utils.svgPaths.lineOnAxis('H', width + markerOffset * 2) +
-      Blockly.utils.svgPaths.lineOnAxis('V', markerHeight);
-  this.markerBlock_.setAttribute('d', markerPath);
-  if (this.workspace_.RTL) {
-    this.flipRtl_(this.markerBlock_);
-  }
-  this.currentMarkerSvg = this.markerBlock_;
-};
-
-/**
- * Position the marker for an input connection.
- * Displays a filled in puzzle piece.
- * @param {!Blockly.RenderedConnection} connection The connection to position
- *     marker around.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.positionInput_ = function(
-    connection) {
-  var x = connection.getOffsetInBlock().x;
-  var y = connection.getOffsetInBlock().y;
-
-  var path = Blockly.utils.svgPaths.moveTo(0, 0) +
-      this.constants_.shapeFor(connection).pathDown;
-
-  this.markerInput_.setAttribute('d', path);
-  this.markerInput_.setAttribute('transform',
-      'translate(' + x + ',' + y + ')' +
-      (this.workspace_.RTL ? ' scale(-1 1)' : ''));
-  this.currentMarkerSvg = this.markerInput_;
-};
-
-/**
- * Move and show the marker at the specified coordinate in workspace units.
- * Displays a horizontal line.
- * @param {number} x The new x, in workspace units.
- * @param {number} y The new y, in workspace units.
- * @param {number} width The new width, in workspace units.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.positionLine_ = function(
-    x, y, width) {
-  this.markerSvgLine_.setAttribute('x', x);
-  this.markerSvgLine_.setAttribute('y', y);
-  this.markerSvgLine_.setAttribute('width', width);
-  this.currentMarkerSvg = this.markerSvgLine_;
-};
-
-/**
- * Position the marker for an output connection.
- * Displays a puzzle outline and the top and bottom path.
- * @param {number} width The width of the block.
- * @param {number} height The height of the block.
- * @param {!Object} connectionShape The shape object for the connection.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.positionOutput_ = function(
-    width, height, connectionShape) {
-  var markerPath = Blockly.utils.svgPaths.moveBy(width, 0) +
-      Blockly.utils.svgPaths.lineOnAxis(
-          'h', -(width - connectionShape.width)) +
-      Blockly.utils.svgPaths.lineOnAxis(
-          'v', this.constants_.TAB_OFFSET_FROM_TOP) +
-      connectionShape.pathDown +
-      Blockly.utils.svgPaths.lineOnAxis('V', height) +
-      Blockly.utils.svgPaths.lineOnAxis('H', width);
-  this.markerBlock_.setAttribute('d', markerPath);
-  if (this.workspace_.RTL) {
-    this.flipRtl_(this.markerBlock_);
-  }
-  this.currentMarkerSvg = this.markerBlock_;
-};
-
-/**
- * Position the marker for a previous connection.
- * Displays a half rectangle with a notch in the top to represent the previous
- * connection.
- * @param {number} width The width of the block.
- * @param {number} markerOffset The offset of the marker from around the block.
- * @param {number} markerHeight The height of the marker.
- * @param {!Object} connectionShape The shape object for the connection.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.positionPrevious_ = function(
-    width, markerOffset, markerHeight, connectionShape) {
-  var markerPath = Blockly.utils.svgPaths.moveBy(-markerOffset, markerHeight) +
-      Blockly.utils.svgPaths.lineOnAxis('V', -markerOffset) +
-      Blockly.utils.svgPaths.lineOnAxis(
-          'H', this.constants_.NOTCH_OFFSET_LEFT) +
-      connectionShape.pathLeft +
-      Blockly.utils.svgPaths.lineOnAxis(
-          'H', width + markerOffset * 2) +
-      Blockly.utils.svgPaths.lineOnAxis('V', markerHeight);
-  this.markerBlock_.setAttribute('d', markerPath);
-  if (this.workspace_.RTL) {
-    this.flipRtl_(this.markerBlock_);
-  }
-  this.currentMarkerSvg = this.markerBlock_;
-};
-
-/**
- * Move and show the marker at the specified coordinate in workspace units.
- * Displays a filled in rectangle.
- * @param {number} x The new x, in workspace units.
- * @param {number} y The new y, in workspace units.
- * @param {number} width The new width, in workspace units.
- * @param {number} height The new height, in workspace units.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.positionRect_ = function(
-    x, y, width, height) {
-  this.markerSvgRect_.setAttribute('x', x);
-  this.markerSvgRect_.setAttribute('y', y);
-  this.markerSvgRect_.setAttribute('width', width);
-  this.markerSvgRect_.setAttribute('height', height);
-  this.currentMarkerSvg = this.markerSvgRect_;
-};
-
-/**
- * Flip the SVG paths in RTL.
- * @param {!SVGElement} markerSvg The marker that we want to flip.
- * @private
- */
-Blockly.blockRendering.MarkerSvg.prototype.flipRtl_ = function(markerSvg) {
-  markerSvg.setAttribute('transform', 'scale(-1 1)');
-};
-
-/**
- * Hide the marker.
- */
-Blockly.blockRendering.MarkerSvg.prototype.hide = function() {
-  this.markerSvgLine_.style.display = 'none';
-  this.markerSvgRect_.style.display = 'none';
-  this.markerInput_.style.display = 'none';
-  this.markerBlock_.style.display = 'none';
-};
-
-
-/**
- * Fire event for the marker or marker.
- * @param {Blockly.ASTNode} oldNode The old node the marker used to be on.
- * @param {!Blockly.ASTNode} curNode The new node the marker is currently on.
- * @private
- */
-Blockly.blockRendering.MarkerSvg.prototype.fireMarkerEvent_ = function(
-    oldNode, curNode) {
-  var curBlock = curNode.getSourceBlock();
-  var eventType = this.isCursor() ? 'cursorMove' : 'markerMove';
-  var event = new Blockly.Events.Ui(curBlock, eventType, oldNode, curNode);
-  if (curNode.getType() == Blockly.ASTNode.types.WORKSPACE) {
-    event.workspaceId =
-      (/** @type {!Blockly.Workspace} */ (curNode.getLocation())).id;
-  }
-  Blockly.Events.fire(event);
-};
-
-/**
- * Get the properties to make a marker blink.
- * @return {!Object} The object holding attributes to make the marker blink.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.getBlinkProperties_ = function() {
-  return {
-    'attributeType': 'XML',
-    'attributeName': 'fill',
-    'dur': '1s',
-    'values': this.colour_ + ';transparent;transparent;',
-    'repeatCount': 'indefinite'
-  };
-};
-
-
-/**
- * Create the marker SVG.
- * @return {Element} The SVG node created.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.createDomInternal_ = function() {
-  /* This markup will be generated and added to the .svgGroup_:
-  <g>
-    <rect width="100" height="5">
-      <animate attributeType="XML" attributeName="fill" dur="1s"
-        values="transparent;transparent;#fff;transparent" repeatCount="indefinite" />
-    </rect>
-  </g>
-  */
-
-  this.markerSvg_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G,
-      {
-        'width': this.constants_.CURSOR_WS_WIDTH,
-        'height': this.constants_.WS_CURSOR_HEIGHT
-      }, this.svgGroup_);
-
-  // A horizontal line used to represent a workspace coordinate or next
-  // connection.
-  this.markerSvgLine_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'width': this.constants_.CURSOR_WS_WIDTH,
-        'height': this.constants_.WS_CURSOR_HEIGHT,
-        'style': 'display: none'
-      },
-      this.markerSvg_);
-
-  // A filled in rectangle used to represent a stack.
-  this.markerSvgRect_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'class': 'blocklyVerticalMarker',
-        'rx': 10, 'ry': 10,
-        'style': 'display: none'
-      },
-      this.markerSvg_);
-
-  // A filled in puzzle piece used to represent an input value.
-  this.markerInput_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH,
-      {
-        'transform': '',
-        'style': 'display: none'
-      },
-      this.markerSvg_);
-
-  // A path used to represent a previous connection and a block, an output
-  // connection and a block, or a block.
-  this.markerBlock_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH,
-      {
-        'transform': '',
-        'style': 'display: none',
-        'fill': 'none',
-        'stroke-width': this.constants_.CURSOR_STROKE_WIDTH
-      },
-      this.markerSvg_);
-
-  // Markers and stack markers don't blink.
-  if (this.isCursor()) {
-    var blinkProperties = this.getBlinkProperties_();
-    Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.ANIMATE, blinkProperties,
-        this.markerSvgLine_);
-    Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.ANIMATE, blinkProperties,
-        this.markerInput_);
-    blinkProperties['attributeName'] = 'stroke';
-    Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.ANIMATE, blinkProperties,
-        this.markerBlock_);
-  }
-
-  return this.markerSvg_;
-};
-
-/**
- * Apply the marker's colour.
- * @param {!Blockly.ASTNode} _curNode The node that we want to draw the marker
- *    for.
- * @protected
- */
-Blockly.blockRendering.MarkerSvg.prototype.applyColour_ = function(_curNode) {
-  this.markerSvgLine_.setAttribute('fill', this.colour_);
-  this.markerSvgRect_.setAttribute('stroke', this.colour_);
-  this.markerInput_.setAttribute('fill', this.colour_);
-  this.markerBlock_.setAttribute('stroke', this.colour_);
-
-  if (this.isCursor()) {
-    var values = this.colour_ + ';transparent;transparent;';
-    this.markerSvgLine_.firstChild.setAttribute('values', values);
-    this.markerInput_.firstChild.setAttribute('values', values);
-    this.markerBlock_.firstChild.setAttribute('values', values);
-  }
-};
-
-/**
- * Dispose of this marker.
- */
-Blockly.blockRendering.MarkerSvg.prototype.dispose = function() {
-  if (this.svgGroup_) {
-    Blockly.utils.dom.removeNode(this.svgGroup_);
-  }
-};
diff --git a/core/renderers/common/marker_svg.ts b/core/renderers/common/marker_svg.ts
new file mode 100644
index 00000000000..995783576ef
--- /dev/null
+++ b/core/renderers/common/marker_svg.ts
@@ -0,0 +1,765 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.MarkerSvg
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import '../../events/events_marker_move.js';
+
+import type {BlockSvg} from '../../block_svg.js';
+import type {Connection} from '../../connection.js';
+import {ConnectionType} from '../../connection_type.js';
+import * as eventUtils from '../../events/utils.js';
+import type {Field} from '../../field.js';
+import type {IASTNodeLocationSvg} from '../../interfaces/i_ast_node_location_svg.js';
+import {ASTNode} from '../../keyboard_nav/ast_node.js';
+import type {Marker} from '../../keyboard_nav/marker.js';
+import type {RenderedConnection} from '../../rendered_connection.js';
+import * as dom from '../../utils/dom.js';
+import {Svg} from '../../utils/svg.js';
+import * as svgPaths from '../../utils/svg_paths.js';
+import type {WorkspaceSvg} from '../../workspace_svg.js';
+
+import type {ConstantProvider, Notch, PuzzleTab} from './constants.js';
+import {FlyoutButton} from '../../flyout_button.js';
+
+/** The name of the CSS class for a cursor. */
+const CURSOR_CLASS = 'blocklyCursor';
+
+/** The name of the CSS class for a marker. */
+const MARKER_CLASS = 'blocklyMarker';
+
+/**
+ * What we multiply the height by to get the height of the marker.
+ * Only used for the block and block connections.
+ */
+const HEIGHT_MULTIPLIER = 3 / 4;
+
+/**
+ * Class for a marker, containing methods for graphically rendering a marker as
+ * SVG.
+ */
+export class MarkerSvg {
+  /**
+   * The workspace, field, or block that the marker SVG element should be
+   * attached to.
+   */
+  private parent: IASTNodeLocationSvg | null = null;
+
+  /** The current SVG element for the marker. */
+  currentMarkerSvg: SVGElement | null = null;
+  colour_: string;
+
+  /** The root SVG group containing the marker. */
+  protected markerSvg_: SVGGElement | null = null;
+  protected svgGroup_: SVGGElement | null = null;
+
+  protected markerBlock_: SVGPathElement | null = null;
+
+  protected markerInput_: SVGPathElement | null = null;
+  protected markerSvgLine_: SVGRectElement | null = null;
+
+  protected markerSvgRect_: SVGRectElement | null = null;
+
+  /** The constants necessary to draw the marker. */
+  protected constants_: ConstantProvider;
+
+  /**
+   * @param workspace The workspace the marker belongs to.
+   * @param constants The constants for the renderer.
+   * @param marker The marker to draw.
+   */
+  constructor(
+    private readonly workspace: WorkspaceSvg,
+    constants: ConstantProvider,
+    private readonly marker: Marker,
+  ) {
+    this.constants_ = constants;
+
+    const defaultColour = this.isCursor()
+      ? this.constants_.CURSOR_COLOUR
+      : this.constants_.MARKER_COLOUR;
+
+    /** The colour of the marker. */
+    this.colour_ = marker.colour || defaultColour;
+  }
+
+  /**
+   * Return the root node of the SVG or null if none exists.
+   *
+   * @returns The root SVG node.
+   */
+  getSvgRoot(): SVGElement | null {
+    return this.svgGroup_;
+  }
+
+  /**
+   * Get the marker.
+   *
+   * @returns The marker to draw for.
+   */
+  getMarker(): Marker {
+    return this.marker;
+  }
+
+  /**
+   * True if the marker should be drawn as a cursor, false otherwise.
+   * A cursor is drawn as a flashing line. A marker is drawn as a solid line.
+   *
+   * @returns True if the marker is a cursor, false otherwise.
+   */
+  isCursor(): boolean {
+    return this.marker.type === 'cursor';
+  }
+
+  /**
+   * Create the DOM element for the marker.
+   *
+   * @returns The marker controls SVG group.
+   */
+  createDom(): SVGElement {
+    const className = this.isCursor() ? CURSOR_CLASS : MARKER_CLASS;
+
+    this.svgGroup_ = dom.createSvgElement(Svg.G, {'class': className});
+
+    this.createDomInternal_();
+    return this.svgGroup_;
+  }
+
+  /**
+   * Attaches the SVG root of the marker to the SVG group of the parent.
+   *
+   * @param newParent The workspace, field, or block that the marker SVG element
+   *     should be attached to.
+   */
+  protected setParent_(newParent: IASTNodeLocationSvg) {
+    if (!this.isCursor()) {
+      if (this.parent) {
+        this.parent.setMarkerSvg(null);
+      }
+      newParent.setMarkerSvg(this.getSvgRoot());
+    } else {
+      if (this.parent) {
+        this.parent.setCursorSvg(null);
+      }
+      newParent.setCursorSvg(this.getSvgRoot());
+    }
+    this.parent = newParent;
+  }
+
+  /**
+   * Update the marker.
+   *
+   * @param oldNode The previous node the marker was on or null.
+   * @param curNode The node that we want to draw the marker for.
+   */
+  draw(oldNode: ASTNode, curNode: ASTNode) {
+    if (!curNode) {
+      this.hide();
+      return;
+    }
+
+    this.constants_ = this.workspace.getRenderer().getConstants();
+
+    const defaultColour = this.isCursor()
+      ? this.constants_.CURSOR_COLOUR
+      : this.constants_.MARKER_COLOUR;
+    this.colour_ = this.marker.colour || defaultColour;
+    this.applyColour_(curNode);
+
+    this.showAtLocation_(curNode);
+
+    this.fireMarkerEvent(oldNode, curNode);
+
+    // Ensures the marker will be visible immediately after the move.
+    const animate = this.currentMarkerSvg!.childNodes[0];
+    if (animate !== undefined) {
+      (animate as SVGAnimationElement).beginElement &&
+        (animate as SVGAnimationElement).beginElement();
+    }
+  }
+
+  /**
+   * Update the marker's visible state based on the type of curNode..
+   *
+   * @param curNode The node that we want to draw the marker for.
+   */
+  protected showAtLocation_(curNode: ASTNode) {
+    const curNodeAsConnection = curNode.getLocation() as Connection;
+    const connectionType = curNodeAsConnection.type;
+    if (curNode.getType() === ASTNode.types.BLOCK) {
+      this.showWithBlock_(curNode);
+    } else if (curNode.getType() === ASTNode.types.OUTPUT) {
+      this.showWithOutput_(curNode);
+    } else if (connectionType === ConnectionType.INPUT_VALUE) {
+      this.showWithInput_(curNode);
+    } else if (connectionType === ConnectionType.NEXT_STATEMENT) {
+      this.showWithNext_(curNode);
+    } else if (curNode.getType() === ASTNode.types.PREVIOUS) {
+      this.showWithPrevious_(curNode);
+    } else if (curNode.getType() === ASTNode.types.FIELD) {
+      this.showWithField_(curNode);
+    } else if (curNode.getType() === ASTNode.types.WORKSPACE) {
+      this.showWithCoordinates_(curNode);
+    } else if (curNode.getType() === ASTNode.types.STACK) {
+      this.showWithStack_(curNode);
+    } else if (curNode.getType() === ASTNode.types.BUTTON) {
+      this.showWithButton_(curNode);
+    }
+  }
+
+  /**************************
+   * Display
+   **************************/
+
+  /**
+   * Show the marker as a combination of the previous connection and block,
+   * the output connection and block, or just the block.
+   *
+   * @param curNode The node to draw the marker for.
+   */
+  private showWithBlockPrevOutput(curNode: ASTNode) {
+    const block = curNode.getSourceBlock() as BlockSvg;
+    const width = block.width;
+    const height = block.height;
+    const markerHeight = height * HEIGHT_MULTIPLIER;
+    const markerOffset = this.constants_.CURSOR_BLOCK_PADDING;
+
+    if (block.previousConnection) {
+      const connectionShape = this.constants_.shapeFor(
+        block.previousConnection,
+      ) as Notch;
+      this.positionPrevious_(
+        width,
+        markerOffset,
+        markerHeight,
+        connectionShape,
+      );
+    } else if (block.outputConnection) {
+      const connectionShape = this.constants_.shapeFor(
+        block.outputConnection,
+      ) as PuzzleTab;
+      this.positionOutput_(width, height, connectionShape);
+    } else {
+      this.positionBlock_(width, markerOffset, markerHeight);
+    }
+    this.setParent_(block);
+    this.showCurrent_();
+  }
+
+  /**
+   * Position and display the marker for a block.
+   *
+   * @param curNode The node to draw the marker for.
+   */
+  protected showWithBlock_(curNode: ASTNode) {
+    this.showWithBlockPrevOutput(curNode);
+  }
+
+  /**
+   * Position and display the marker for a previous connection.
+   *
+   * @param curNode The node to draw the marker for.
+   */
+  protected showWithPrevious_(curNode: ASTNode) {
+    this.showWithBlockPrevOutput(curNode);
+  }
+
+  /**
+   * Position and display the marker for an output connection.
+   *
+   * @param curNode The node to draw the marker for.
+   */
+  protected showWithOutput_(curNode: ASTNode) {
+    this.showWithBlockPrevOutput(curNode);
+  }
+
+  /**
+   * Position and display the marker for a workspace coordinate.
+   * This is a horizontal line.
+   *
+   * @param curNode The node to draw the marker for.
+   */
+  protected showWithCoordinates_(curNode: ASTNode) {
+    const wsCoordinate = curNode.getWsCoordinate();
+    let x = wsCoordinate.x;
+    const y = wsCoordinate.y;
+
+    if (this.workspace.RTL) {
+      x -= this.constants_.CURSOR_WS_WIDTH;
+    }
+
+    this.positionLine_(x, y, this.constants_.CURSOR_WS_WIDTH);
+    this.setParent_(this.workspace);
+    this.showCurrent_();
+  }
+
+  /**
+   * Position and display the marker for a field.
+   * This is a box around the field.
+   *
+   * @param curNode The node to draw the marker for.
+   */
+  protected showWithField_(curNode: ASTNode) {
+    const field = curNode.getLocation() as Field;
+    const width = field.getSize().width;
+    const height = field.getSize().height;
+
+    this.positionRect_(0, 0, width, height);
+    this.setParent_(field);
+    this.showCurrent_();
+  }
+
+  /**
+   * Position and display the marker for an input.
+   * This is a puzzle piece.
+   *
+   * @param curNode The node to draw the marker for.
+   */
+  protected showWithInput_(curNode: ASTNode) {
+    const connection = curNode.getLocation() as RenderedConnection;
+    const sourceBlock = connection.getSourceBlock();
+
+    this.positionInput_(connection);
+    this.setParent_(sourceBlock);
+    this.showCurrent_();
+  }
+
+  /**
+   * Position and display the marker for a next connection.
+   * This is a horizontal line.
+   *
+   * @param curNode The node to draw the marker for.
+   */
+  protected showWithNext_(curNode: ASTNode) {
+    const connection = curNode.getLocation() as RenderedConnection;
+    const targetBlock = connection.getSourceBlock();
+    let x = 0;
+    const y = connection.getOffsetInBlock().y;
+    const width = targetBlock.getHeightWidth().width;
+    if (this.workspace.RTL) {
+      x = -width;
+    }
+    this.positionLine_(x, y, width);
+    this.setParent_(targetBlock);
+    this.showCurrent_();
+  }
+
+  /**
+   * Position and display the marker for a stack.
+   * This is a box with extra padding around the entire stack of blocks.
+   *
+   * @param curNode The node to draw the marker for.
+   */
+  protected showWithStack_(curNode: ASTNode) {
+    const block = curNode.getLocation() as BlockSvg;
+
+    // Gets the height and width of entire stack.
+    const heightWidth = block.getHeightWidth();
+
+    // Add padding so that being on a stack looks different than being on a
+    // block.
+    const width = heightWidth.width + this.constants_.CURSOR_STACK_PADDING;
+    const height = heightWidth.height + this.constants_.CURSOR_STACK_PADDING;
+
+    // Shift the rectangle slightly to upper left so padding is equal on all
+    // sides.
+    const xPadding = -this.constants_.CURSOR_STACK_PADDING / 2;
+    const yPadding = -this.constants_.CURSOR_STACK_PADDING / 2;
+
+    let x = xPadding;
+    const y = yPadding;
+
+    if (this.workspace.RTL) {
+      x = -(width + xPadding);
+    }
+    this.positionRect_(x, y, width, height);
+    this.setParent_(block);
+    this.showCurrent_();
+  }
+
+  /**
+   * Position and display the marker for a flyout button.
+   * This is a box with extra padding around the button.
+   *
+   * @param curNode The node to draw the marker for.
+   */
+  protected showWithButton_(curNode: ASTNode) {
+    const button = curNode.getLocation() as FlyoutButton;
+
+    // Gets the height and width of entire stack.
+    const heightWidth = {height: button.height, width: button.width};
+
+    // Add padding so that being on a button looks similar to being on a stack.
+    const width = heightWidth.width + this.constants_.CURSOR_STACK_PADDING;
+    const height = heightWidth.height + this.constants_.CURSOR_STACK_PADDING;
+
+    // Shift the rectangle slightly to upper left so padding is equal on all
+    // sides.
+    const xPadding = -this.constants_.CURSOR_STACK_PADDING / 2;
+    const yPadding = -this.constants_.CURSOR_STACK_PADDING / 2;
+
+    let x = xPadding;
+    const y = yPadding;
+
+    if (this.workspace.RTL) {
+      x = -(width + xPadding);
+    }
+    this.positionRect_(x, y, width, height);
+    this.setParent_(button);
+    this.showCurrent_();
+  }
+
+  /** Show the current marker. */
+  protected showCurrent_() {
+    this.hide();
+    if (this.currentMarkerSvg) {
+      this.currentMarkerSvg.style.display = '';
+    }
+  }
+
+  /**************************
+   * Position
+   **************************/
+
+  /**
+   * Position the marker for a block.
+   * Displays an outline of the top half of a rectangle around a block.
+   *
+   * @param width The width of the block.
+   * @param markerOffset The extra padding for around the block.
+   * @param markerHeight The height of the marker.
+   */
+  protected positionBlock_(
+    width: number,
+    markerOffset: number,
+    markerHeight: number,
+  ) {
+    const markerPath =
+      svgPaths.moveBy(-markerOffset, markerHeight) +
+      svgPaths.lineOnAxis('V', -markerOffset) +
+      svgPaths.lineOnAxis('H', width + markerOffset * 2) +
+      svgPaths.lineOnAxis('V', markerHeight);
+    if (!this.markerBlock_) {
+      throw new Error(
+        'createDom should be called before positioning the marker',
+      );
+    }
+    this.markerBlock_.setAttribute('d', markerPath);
+    if (this.workspace.RTL) {
+      this.flipRtl(this.markerBlock_);
+    }
+    this.currentMarkerSvg = this.markerBlock_;
+  }
+
+  /**
+   * Position the marker for an input connection.
+   * Displays a filled in puzzle piece.
+   *
+   * @param connection The connection to position marker around.
+   */
+  protected positionInput_(connection: RenderedConnection) {
+    const x = connection.getOffsetInBlock().x;
+    const y = connection.getOffsetInBlock().y;
+
+    const path =
+      svgPaths.moveTo(0, 0) +
+      (this.constants_.shapeFor(connection) as PuzzleTab).pathDown;
+
+    this.markerInput_!.setAttribute('d', path);
+    this.markerInput_!.setAttribute(
+      'transform',
+      'translate(' +
+        x +
+        ',' +
+        y +
+        ')' +
+        (this.workspace.RTL ? ' scale(-1 1)' : ''),
+    );
+    this.currentMarkerSvg = this.markerInput_;
+  }
+
+  /**
+   * Move and show the marker at the specified coordinate in workspace units.
+   * Displays a horizontal line.
+   *
+   * @param x The new x, in workspace units.
+   * @param y The new y, in workspace units.
+   * @param width The new width, in workspace units.
+   */
+  protected positionLine_(x: number, y: number, width: number) {
+    if (!this.markerSvgLine_) {
+      throw new Error('createDom should be called before positioning the line');
+    }
+    this.markerSvgLine_.setAttribute('x', `${x}`);
+    this.markerSvgLine_.setAttribute('y', `${y}`);
+    this.markerSvgLine_.setAttribute('width', `${width}`);
+    this.currentMarkerSvg = this.markerSvgLine_;
+  }
+
+  /**
+   * Position the marker for an output connection.
+   * Displays a puzzle outline and the top and bottom path.
+   *
+   * @param width The width of the block.
+   * @param height The height of the block.
+   * @param connectionShape The shape object for the connection.
+   */
+  protected positionOutput_(
+    width: number,
+    height: number,
+    connectionShape: PuzzleTab,
+  ) {
+    if (!this.markerBlock_) {
+      throw new Error(
+        'createDom should be called before positioning the output',
+      );
+    }
+    const markerPath =
+      svgPaths.moveBy(width, 0) +
+      svgPaths.lineOnAxis('h', -(width - connectionShape.width)) +
+      svgPaths.lineOnAxis('v', this.constants_.TAB_OFFSET_FROM_TOP) +
+      connectionShape.pathDown +
+      svgPaths.lineOnAxis('V', height) +
+      svgPaths.lineOnAxis('H', width);
+    this.markerBlock_.setAttribute('d', markerPath);
+    if (this.workspace.RTL) {
+      this.flipRtl(this.markerBlock_);
+    }
+    this.currentMarkerSvg = this.markerBlock_;
+  }
+
+  /**
+   * Position the marker for a previous connection.
+   * Displays a half rectangle with a notch in the top to represent the previous
+   * connection.
+   *
+   * @param width The width of the block.
+   * @param markerOffset The offset of the marker from around the block.
+   * @param markerHeight The height of the marker.
+   * @param connectionShape The shape object for the connection.
+   */
+  protected positionPrevious_(
+    width: number,
+    markerOffset: number,
+    markerHeight: number,
+    connectionShape: Notch,
+  ) {
+    if (!this.markerBlock_) {
+      throw new Error(
+        'createDom should be called before positioning the previous connection marker',
+      );
+    }
+    const markerPath =
+      svgPaths.moveBy(-markerOffset, markerHeight) +
+      svgPaths.lineOnAxis('V', -markerOffset) +
+      svgPaths.lineOnAxis('H', this.constants_.NOTCH_OFFSET_LEFT) +
+      connectionShape.pathLeft +
+      svgPaths.lineOnAxis('H', width + markerOffset * 2) +
+      svgPaths.lineOnAxis('V', markerHeight);
+    this.markerBlock_.setAttribute('d', markerPath);
+    if (this.workspace.RTL) {
+      this.flipRtl(this.markerBlock_);
+    }
+    this.currentMarkerSvg = this.markerBlock_;
+  }
+
+  /**
+   * Move and show the marker at the specified coordinate in workspace units.
+   * Displays a filled in rectangle.
+   *
+   * @param x The new x, in workspace units.
+   * @param y The new y, in workspace units.
+   * @param width The new width, in workspace units.
+   * @param height The new height, in workspace units.
+   */
+  protected positionRect_(x: number, y: number, width: number, height: number) {
+    if (!this.markerSvgRect_) {
+      throw new Error('createDom should be called before positioning the rect');
+    }
+    this.markerSvgRect_.setAttribute('x', `${x}`);
+    this.markerSvgRect_.setAttribute('y', `${y}`);
+    this.markerSvgRect_.setAttribute('width', `${width}`);
+    this.markerSvgRect_.setAttribute('height', `${height}`);
+    this.currentMarkerSvg = this.markerSvgRect_;
+  }
+
+  /**
+   * Flip the SVG paths in RTL.
+   *
+   * @param markerSvg The marker that we want to flip.
+   */
+  private flipRtl(markerSvg: SVGElement) {
+    markerSvg.setAttribute('transform', 'scale(-1 1)');
+  }
+
+  /** Hide the marker. */
+  hide() {
+    if (
+      !this.markerSvgLine_ ||
+      !this.markerSvgRect_ ||
+      !this.markerInput_ ||
+      !this.markerBlock_
+    ) {
+      throw new Error('createDom should be called before hiding the marker');
+    }
+    this.markerSvgLine_.style.display = 'none';
+    this.markerSvgRect_.style.display = 'none';
+    this.markerInput_.style.display = 'none';
+    this.markerBlock_.style.display = 'none';
+  }
+
+  /**
+   * Fire event for the marker or marker.
+   *
+   * @param oldNode The old node the marker used to be on.
+   * @param curNode The new node the marker is currently on.
+   */
+  private fireMarkerEvent(oldNode: ASTNode, curNode: ASTNode) {
+    const curBlock = curNode.getSourceBlock();
+    const event = new (eventUtils.get(eventUtils.MARKER_MOVE))(
+      curBlock,
+      this.isCursor(),
+      oldNode,
+      curNode,
+    );
+    eventUtils.fire(event);
+  }
+
+  /**
+   * Get the properties to make a marker blink.
+   *
+   * @returns The object holding attributes to make the marker blink.
+   */
+  protected getBlinkProperties_(): {[key: string]: string} {
+    return {
+      'attributeType': 'XML',
+      'attributeName': 'fill',
+      'dur': '1s',
+      'values': this.colour_ + ';transparent;transparent;',
+      'repeatCount': 'indefinite',
+    };
+  }
+
+  /**
+   * Create the marker SVG.
+   *
+   * @returns The SVG node created.
+   */
+  protected createDomInternal_(): Element {
+    /* This markup will be generated and added to the .svgGroup_:
+        <g>
+          <rect width="100" height="5">
+            <animate attributeType="XML" attributeName="fill" dur="1s"
+              values="transparent;transparent;#fff;transparent"
+        repeatCount="indefinite" />
+          </rect>
+        </g>
+        */
+
+    this.markerSvg_ = dom.createSvgElement(
+      Svg.G,
+      {
+        'width': this.constants_.CURSOR_WS_WIDTH,
+        'height': this.constants_.WS_CURSOR_HEIGHT,
+      },
+      this.svgGroup_,
+    );
+
+    // A horizontal line used to represent a workspace coordinate or next
+    // connection.
+    this.markerSvgLine_ = dom.createSvgElement(
+      Svg.RECT,
+      {
+        'width': this.constants_.CURSOR_WS_WIDTH,
+        'height': this.constants_.WS_CURSOR_HEIGHT,
+      },
+      this.markerSvg_,
+    );
+
+    // A filled in rectangle used to represent a stack.
+    this.markerSvgRect_ = dom.createSvgElement(
+      Svg.RECT,
+      {
+        'class': 'blocklyVerticalMarker',
+        'rx': 10,
+        'ry': 10,
+      },
+      this.markerSvg_,
+    );
+
+    // A filled in puzzle piece used to represent an input value.
+    this.markerInput_ = dom.createSvgElement(
+      Svg.PATH,
+      {'transform': ''},
+      this.markerSvg_,
+    );
+
+    // A path used to represent a previous connection and a block, an output
+    // connection and a block, or a block.
+    this.markerBlock_ = dom.createSvgElement(
+      Svg.PATH,
+      {
+        'transform': '',
+        'fill': 'none',
+        'stroke-width': this.constants_.CURSOR_STROKE_WIDTH,
+      },
+      this.markerSvg_,
+    );
+
+    this.hide();
+
+    // Markers and stack markers don't blink.
+    if (this.isCursor()) {
+      const blinkProperties = this.getBlinkProperties_();
+      dom.createSvgElement(Svg.ANIMATE, blinkProperties, this.markerSvgLine_);
+      dom.createSvgElement(Svg.ANIMATE, blinkProperties, this.markerInput_);
+      dom.createSvgElement(
+        Svg.ANIMATE,
+        {...blinkProperties, attributeName: 'stroke'},
+        this.markerBlock_,
+      );
+    }
+
+    return this.markerSvg_;
+  }
+
+  /**
+   * Apply the marker's colour.
+   *
+   * @param _curNode The node that we want to draw the marker for.
+   */
+  protected applyColour_(_curNode: ASTNode) {
+    if (
+      !this.markerSvgLine_ ||
+      !this.markerSvgRect_ ||
+      !this.markerInput_ ||
+      !this.markerBlock_
+    ) {
+      throw new Error(
+        'createDom should be called before applying color to the markerj',
+      );
+    }
+    this.markerSvgLine_.setAttribute('fill', this.colour_);
+    this.markerSvgRect_.setAttribute('stroke', this.colour_);
+    this.markerInput_.setAttribute('fill', this.colour_);
+    this.markerBlock_.setAttribute('stroke', this.colour_);
+
+    if (this.isCursor()) {
+      const values = this.colour_ + ';transparent;transparent;';
+      this.markerSvgLine_.firstElementChild!.setAttribute('values', values);
+      this.markerInput_.firstElementChild!.setAttribute('values', values);
+      this.markerBlock_.firstElementChild!.setAttribute('values', values);
+    }
+  }
+
+  /** Dispose of this marker. */
+  dispose() {
+    if (this.svgGroup_) {
+      dom.removeNode(this.svgGroup_);
+    }
+  }
+}
diff --git a/core/renderers/common/path_object.js b/core/renderers/common/path_object.js
deleted file mode 100644
index c3a283329b5..00000000000
--- a/core/renderers/common/path_object.js
+++ /dev/null
@@ -1,279 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview An object that owns a block's rendering SVG elements.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-
-'use strict';
-
-goog.provide('Blockly.blockRendering.PathObject');
-
-goog.require('Blockly.blockRendering.ConstantProvider');
-goog.require('Blockly.blockRendering.IPathObject');
-goog.require('Blockly.Theme');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * An object that handles creating and setting each of the SVG elements
- * used by the renderer.
- * @param {!SVGElement} root The root SVG element.
- * @param {!Blockly.Theme.BlockStyle} style The style object to use for
- *     colouring.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The renderer's
- *     constants.
- * @constructor
- * @implements {Blockly.blockRendering.IPathObject}
- * @package
- */
-Blockly.blockRendering.PathObject = function(root, style, constants) {
-  /**
-   * The renderer's constant provider.
-   * @type {!Blockly.blockRendering.ConstantProvider}
-   * @package
-   */
-  this.constants = constants;
-
-  this.svgRoot = root;
-
-  /**
-   * The primary path of the block.
-   * @type {!SVGElement}
-   * @package
-   */
-  this.svgPath = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH,
-      {'class': 'blocklyPath'}, this.svgRoot);
-
-  /**
-   * The style object to use when colouring block paths.
-   * @type {!Blockly.Theme.BlockStyle}
-   * @package
-   */
-  this.style = style;
-
-  /**
-   * Holds the cursors svg element when the cursor is attached to the block.
-   * This is null if there is no cursor on the block.
-   * @type {SVGElement}
-   * @package
-   */
-  this.cursorSvg = null;
-
-  /**
-   * Holds the markers svg element when the marker is attached to the block.
-   * This is null if there is no marker on the block.
-   * @type {SVGElement}
-   * @package
-   */
-  this.markerSvg = null;
-};
-
-/**
- * Set the path generated by the renderer onto the respective SVG element.
- * @param {string} pathString The path.
- * @package
- */
-Blockly.blockRendering.PathObject.prototype.setPath = function(pathString) {
-  this.svgPath.setAttribute('d', pathString);
-};
-
-/**
- * Flip the SVG paths in RTL.
- * @package
- */
-Blockly.blockRendering.PathObject.prototype.flipRTL = function() {
-  // Mirror the block's path.
-  this.svgPath.setAttribute('transform', 'scale(-1 1)');
-};
-
-/**
- * Add the cursor svg to this block's svg group.
- * @param {SVGElement} cursorSvg The svg root of the cursor to be added to the
- *     block svg group.
- * @package
- */
-Blockly.blockRendering.PathObject.prototype.setCursorSvg = function(cursorSvg) {
-  if (!cursorSvg) {
-    this.cursorSvg = null;
-    return;
-  }
-
-  this.svgRoot.appendChild(cursorSvg);
-  this.cursorSvg = cursorSvg;
-};
-
-/**
- * Add the marker svg to this block's svg group.
- * @param {SVGElement} markerSvg The svg root of the marker to be added to the
- *     block svg group.
- * @package
- */
-Blockly.blockRendering.PathObject.prototype.setMarkerSvg = function(markerSvg) {
-  if (!markerSvg) {
-    this.markerSvg = null;
-    return;
-  }
-
-  if (this.cursorSvg) {
-    this.svgRoot.insertBefore(markerSvg, this.cursorSvg);
-  } else {
-    this.svgRoot.appendChild(markerSvg);
-  }
-  this.markerSvg = markerSvg;
-};
-
-/**
- * Apply the stored colours to the block's path, taking into account whether
- * the paths belong to a shadow block.
- * @param {!Blockly.Block} block The source block.
- * @package
- */
-Blockly.blockRendering.PathObject.prototype.applyColour = function(block) {
-  this.svgPath.setAttribute('stroke', this.style.colourTertiary);
-  this.svgPath.setAttribute('fill', this.style.colourPrimary);
-
-  this.updateShadow_(block.isShadow());
-  this.updateDisabled_(!block.isEnabled() || block.getInheritedDisabled());
-};
-
-/**
- * Set the style.
- * @param {!Blockly.Theme.BlockStyle} blockStyle The block style to use.
- * @package
- */
-Blockly.blockRendering.PathObject.prototype.setStyle = function(blockStyle) {
-  this.style = blockStyle;
-};
-
-/**
- * Add or remove the given CSS class on the path object's root SVG element.
- * @param {string} className The name of the class to add or remove
- * @param {boolean} add True if the class should be added.  False if it should
- *     be removed.
- * @protected
- */
-Blockly.blockRendering.PathObject.prototype.setClass_ = function(
-    className, add) {
-  if (add) {
-    Blockly.utils.dom.addClass(/** @type {!Element} */ (this.svgRoot),
-        className);
-  } else {
-    Blockly.utils.dom.removeClass(/** @type {!Element} */ (this.svgRoot),
-        className);
-  }
-};
-
-/**
- * Set whether the block shows a highlight or not.  Block highlighting is
- * often used to visually mark blocks currently being executed.
- * @param {boolean} enable True if highlighted.
- * @package
- */
-Blockly.blockRendering.PathObject.prototype.updateHighlighted = function(
-    enable) {
-  if (enable) {
-    this.svgPath.setAttribute('filter',
-        'url(#' + this.constants.embossFilterId + ')');
-  } else {
-    this.svgPath.setAttribute('filter', 'none');
-  }
-};
-
-/**
- * Updates the look of the block to reflect a shadow state.
- * @param {boolean} shadow True if the block is a shadow block.
- * @protected
- */
-Blockly.blockRendering.PathObject.prototype.updateShadow_ = function(shadow) {
-  if (shadow) {
-    this.svgPath.setAttribute('stroke', 'none');
-    this.svgPath.setAttribute('fill', this.style.colourSecondary);
-  }
-};
-
-/**
- * Updates the look of the block to reflect a disabled state.
- * @param {boolean} disabled True if disabled.
- * @protected
- */
-Blockly.blockRendering.PathObject.prototype.updateDisabled_ = function(
-    disabled) {
-  this.setClass_('blocklyDisabled', disabled);
-  if (disabled) {
-    this.svgPath.setAttribute('fill',
-        'url(#' + this.constants.disabledPatternId + ')');
-  }
-};
-
-/**
- * Add or remove styling showing that a block is selected.
- * @param {boolean} enable True if selection is enabled, false otherwise.
- * @package
- */
-Blockly.blockRendering.PathObject.prototype.updateSelected = function(enable) {
-  this.setClass_('blocklySelected', enable);
-};
-
-/**
- * Add or remove styling showing that a block is dragged over a delete area.
- * @param {boolean} enable True if the block is being dragged over a delete
- *     area, false otherwise.
- * @package
- */
-Blockly.blockRendering.PathObject.prototype.updateDraggingDelete = function(
-    enable) {
-  this.setClass_('blocklyDraggingDelete', enable);
-};
-
-/**
- * Add or remove styling showing that a block is an insertion marker.
- * @param {boolean} enable True if the block is an insertion marker, false
- *     otherwise.
- * @package
- */
-Blockly.blockRendering.PathObject.prototype.updateInsertionMarker = function(
-    enable) {
-  this.setClass_('blocklyInsertionMarker', enable);
-};
-
-/**
- * Add or remove styling showing that a block is movable.
- * @param {boolean} enable True if the block is movable, false otherwise.
- * @package
- */
-Blockly.blockRendering.PathObject.prototype.updateMovable = function(enable) {
-  this.setClass_('blocklyDraggable', enable);
-};
-
-/**
- * Add or remove styling that shows that if the dragging block is dropped, this
- * block will be replaced.  If a shadow block, it will disappear.  Otherwise it
- * will bump.
- * @param {boolean} enable True if styling should be added.
- * @package
- */
-Blockly.blockRendering.PathObject.prototype.updateReplacementFade =
-    function(enable) {
-    /* eslint-disable indent */
-  this.setClass_('blocklyReplaceable', enable);
-}; /* eslint-enable indent */
-
-/**
- * Add or remove styling that shows that if the dragging block is dropped, this
- * block will be connected to the input.
- * @param {Blockly.Connection} _conn The connection on the input to highlight.
- * @param {boolean} _enable True if styling should be added.
- * @package
- */
-Blockly.blockRendering.PathObject.prototype.updateShapeForInputHighlight =
-    function(_conn, _enable) {
-    /* eslint-disable indent */
-  // NOP
-}; /* eslint-enable indent */
diff --git a/core/renderers/common/path_object.ts b/core/renderers/common/path_object.ts
new file mode 100644
index 00000000000..d5c0850a1b8
--- /dev/null
+++ b/core/renderers/common/path_object.ts
@@ -0,0 +1,316 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.PathObject
+
+import type {BlockSvg} from '../../block_svg.js';
+import type {Connection} from '../../connection.js';
+import {RenderedConnection} from '../../rendered_connection.js';
+import type {BlockStyle} from '../../theme.js';
+import {Coordinate} from '../../utils/coordinate.js';
+import * as dom from '../../utils/dom.js';
+import {Svg} from '../../utils/svg.js';
+
+import type {ConstantProvider} from './constants.js';
+import type {IPathObject} from './i_path_object.js';
+
+/**
+ * An object that handles creating and setting each of the SVG elements
+ * used by the renderer.
+ */
+export class PathObject implements IPathObject {
+  svgRoot: SVGElement;
+  svgPath: SVGElement;
+
+  /**
+   * Holds the cursors svg element when the cursor is attached to the block.
+   * This is null if there is no cursor on the block.
+   */
+  cursorSvg: SVGElement | null = null;
+
+  /**
+   * Holds the markers svg element when the marker is attached to the block.
+   * This is null if there is no marker on the block.
+   */
+  markerSvg: SVGElement | null = null;
+
+  constants: ConstantProvider;
+  style: BlockStyle;
+
+  /** Highlight paths associated with connections. */
+  private connectionHighlights = new WeakMap<RenderedConnection, SVGElement>();
+
+  /** Locations of connection highlights. */
+  private highlightOffsets = new WeakMap<RenderedConnection, Coordinate>();
+
+  /**
+   * @param root The root SVG element.
+   * @param style The style object to use for colouring.
+   * @param constants The renderer's constants.
+   */
+  constructor(
+    root: SVGElement,
+    style: BlockStyle,
+    constants: ConstantProvider,
+  ) {
+    this.constants = constants;
+    this.style = style;
+    this.svgRoot = root;
+
+    /** The primary path of the block. */
+    this.svgPath = dom.createSvgElement(
+      Svg.PATH,
+      {'class': 'blocklyPath'},
+      this.svgRoot,
+    );
+  }
+
+  /**
+   * Set the path generated by the renderer onto the respective SVG element.
+   *
+   * @param pathString The path.
+   */
+  setPath(pathString: string) {
+    this.svgPath.setAttribute('d', pathString);
+  }
+
+  /**
+   * Flip the SVG paths in RTL.
+   */
+  flipRTL() {
+    // Mirror the block's path.
+    this.svgPath.setAttribute('transform', 'scale(-1 1)');
+  }
+
+  /**
+   * Add the cursor SVG to this block's SVG group.
+   *
+   * @param cursorSvg The SVG root of the cursor to be added to the block SVG
+   *     group.
+   */
+  setCursorSvg(cursorSvg: SVGElement) {
+    if (!cursorSvg) {
+      this.cursorSvg = null;
+      return;
+    }
+
+    this.svgRoot.appendChild(cursorSvg);
+    this.cursorSvg = cursorSvg;
+  }
+
+  /**
+   * Add the marker SVG to this block's SVG group.
+   *
+   * @param markerSvg The SVG root of the marker to be added to the block SVG
+   *     group.
+   */
+  setMarkerSvg(markerSvg: SVGElement) {
+    if (!markerSvg) {
+      this.markerSvg = null;
+      return;
+    }
+
+    if (this.cursorSvg) {
+      this.svgRoot.insertBefore(markerSvg, this.cursorSvg);
+    } else {
+      this.svgRoot.appendChild(markerSvg);
+    }
+    this.markerSvg = markerSvg;
+  }
+
+  /**
+   * Apply the stored colours to the block's path, taking into account whether
+   * the paths belong to a shadow block.
+   *
+   * @param block The source block.
+   */
+  applyColour(block: BlockSvg) {
+    this.svgPath.setAttribute('stroke', this.style.colourTertiary);
+    this.svgPath.setAttribute('fill', this.style.colourPrimary);
+
+    this.updateShadow_(block.isShadow());
+    this.updateDisabled_(!block.isEnabled() || block.getInheritedDisabled());
+  }
+
+  /**
+   * Set the style.
+   *
+   * @param blockStyle The block style to use.
+   */
+  setStyle(blockStyle: BlockStyle) {
+    this.style = blockStyle;
+  }
+
+  /**
+   * Add or remove the given CSS class on the path object's root SVG element.
+   *
+   * @param className The name of the class to add or remove
+   * @param add True if the class should be added.  False if it should be
+   *     removed.
+   */
+  protected setClass_(className: string, add: boolean) {
+    if (!className) {
+      return;
+    }
+    if (add) {
+      dom.addClass(this.svgRoot, className);
+    } else {
+      dom.removeClass(this.svgRoot, className);
+    }
+  }
+
+  /**
+   * Set whether the block shows a highlight or not.  Block highlighting is
+   * often used to visually mark blocks currently being executed.
+   *
+   * @param enable True if highlighted.
+   */
+  updateHighlighted(enable: boolean) {
+    if (enable) {
+      this.svgPath.setAttribute(
+        'filter',
+        'url(#' + this.constants.embossFilterId + ')',
+      );
+    } else {
+      this.svgPath.setAttribute('filter', 'none');
+    }
+  }
+
+  /**
+   * Updates the look of the block to reflect a shadow state.
+   *
+   * @param shadow True if the block is a shadow block.
+   */
+  protected updateShadow_(shadow: boolean) {
+    if (shadow) {
+      this.svgPath.setAttribute('stroke', 'none');
+      this.svgPath.setAttribute('fill', this.style.colourSecondary);
+    }
+  }
+
+  /**
+   * Updates the look of the block to reflect a disabled state.
+   *
+   * @param disabled True if disabled.
+   */
+  protected updateDisabled_(disabled: boolean) {
+    this.setClass_('blocklyDisabled', disabled);
+    if (disabled) {
+      this.svgPath.setAttribute(
+        'fill',
+        'url(#' + this.constants.disabledPatternId + ')',
+      );
+    }
+  }
+
+  /**
+   * Add or remove styling showing that a block is selected.
+   *
+   * @param enable True if selection is enabled, false otherwise.
+   */
+  updateSelected(enable: boolean) {
+    this.setClass_('blocklySelected', enable);
+  }
+
+  /**
+   * Add or remove styling showing that a block is dragged over a delete area.
+   *
+   * @param enable True if the block is being dragged over a delete area, false
+   *     otherwise.
+   */
+  updateDraggingDelete(enable: boolean) {
+    this.setClass_('blocklyDraggingDelete', enable);
+  }
+
+  /**
+   * Add or remove styling showing that a block is an insertion marker.
+   *
+   * @param enable True if the block is an insertion marker, false otherwise.
+   */
+  updateInsertionMarker(enable: boolean) {
+    this.setClass_('blocklyInsertionMarker', enable);
+  }
+
+  /**
+   * Add or remove styling showing that a block is movable.
+   *
+   * @param enable True if the block is movable, false otherwise.
+   */
+  updateMovable(enable: boolean) {
+    this.setClass_('blocklyDraggable', enable);
+  }
+
+  /**
+   * Add or remove styling that shows that if the dragging block is dropped,
+   * this block will be replaced.  If a shadow block, it will disappear.
+   * Otherwise it will bump.
+   *
+   * @param enable True if styling should be added.
+   */
+  updateReplacementFade(enable: boolean) {
+    this.setClass_('blocklyReplaceable', enable);
+  }
+
+  /**
+   * Add or remove styling that shows that if the dragging block is dropped,
+   * this block will be connected to the input.
+   *
+   * @param _conn The connection on the input to highlight.
+   * @param _enable True if styling should be added.
+   */
+  updateShapeForInputHighlight(_conn: Connection, _enable: boolean) {
+    // NOOP
+  }
+
+  /** Adds the given path as a connection highlight for the given connection. */
+  addConnectionHighlight(
+    connection: RenderedConnection,
+    connectionPath: string,
+    offset: Coordinate,
+    rtl: boolean,
+  ) {
+    if (this.connectionHighlights.has(connection)) {
+      if (this.currentHighlightMatchesNew(connection, connectionPath, offset)) {
+        return;
+      }
+      this.removeConnectionHighlight(connection);
+    }
+
+    const highlight = dom.createSvgElement(
+      Svg.PATH,
+      {
+        'class': 'blocklyHighlightedConnectionPath',
+        'd': connectionPath,
+        'transform':
+          `translate(${offset.x}, ${offset.y})` + (rtl ? ' scale(-1 1)' : ''),
+      },
+      this.svgRoot,
+    );
+    this.connectionHighlights.set(connection, highlight);
+  }
+
+  private currentHighlightMatchesNew(
+    connection: RenderedConnection,
+    newPath: string,
+    newOffset: Coordinate,
+  ): boolean {
+    const currPath = this.connectionHighlights
+      .get(connection)
+      ?.getAttribute('d');
+    const currOffset = this.highlightOffsets.get(connection);
+    return currPath === newPath && Coordinate.equals(currOffset, newOffset);
+  }
+
+  /**
+   * Removes any highlight associated with the given connection, if it exists.
+   */
+  removeConnectionHighlight(connection: RenderedConnection) {
+    const highlight = this.connectionHighlights.get(connection);
+    if (!highlight) return;
+    dom.removeNode(highlight);
+    this.connectionHighlights.delete(connection);
+  }
+}
diff --git a/core/renderers/common/renderer.js b/core/renderers/common/renderer.js
deleted file mode 100644
index d0d8c16916f..00000000000
--- a/core/renderers/common/renderer.js
+++ /dev/null
@@ -1,301 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Base renderer.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.blockRendering.Renderer');
-
-goog.require('Blockly.blockRendering.ConstantProvider');
-goog.require('Blockly.blockRendering.MarkerSvg');
-goog.require('Blockly.blockRendering.Drawer');
-goog.require('Blockly.blockRendering.IPathObject');
-goog.require('Blockly.blockRendering.PathObject');
-goog.require('Blockly.blockRendering.RenderInfo');
-goog.require('Blockly.InsertionMarkerManager');
-
-goog.requireType('Blockly.blockRendering.Debug');
-goog.requireType('Blockly.IRegistrable');
-
-
-/**
- * The base class for a block renderer.
- * @param {string} name The renderer name.
- * @package
- * @constructor
- * @implements {Blockly.IRegistrable}
- */
-Blockly.blockRendering.Renderer = function(name) {
-
-  /**
-   * The renderer name.
-   * @type {string}
-   * @package
-   */
-  this.name = name;
-
-  /**
-   * The renderer's constant provider.
-   * @type {Blockly.blockRendering.ConstantProvider}
-   * @private
-   */
-  this.constants_ = null;
-
-  /**
-   * Rendering constant overrides, passed in through options.
-   * @type {?Object}
-   * @package
-   */
-  this.overrides = null;
-};
-
-/**
- * Gets the class name that identifies this renderer.
- * @return {string} The CSS class name.
- * @package
- */
-Blockly.blockRendering.Renderer.prototype.getClassName = function() {
-  return this.name + '-renderer';
-};
-
-/**
- * Initialize the renderer.
- * @param {!Blockly.Theme} theme The workspace theme object.
- * @param {Object=} opt_rendererOverrides Rendering constant overrides.
- * @package
- */
-Blockly.blockRendering.Renderer.prototype.init = function(theme,
-    opt_rendererOverrides) {
-  this.constants_ = this.makeConstants_();
-  if (opt_rendererOverrides) {
-    this.overrides = opt_rendererOverrides;
-    Blockly.utils.object.mixin(this.constants_, opt_rendererOverrides);
-  }
-  this.constants_.setTheme(theme);
-  this.constants_.init();
-};
-
-/**
- * Create any DOM elements that this renderer needs.
- * @param {!SVGElement} svg The root of the workspace's SVG.
- * @param {!Blockly.Theme} theme The workspace theme object.
- * @package
- */
-Blockly.blockRendering.Renderer.prototype.createDom = function(svg, theme) {
-  this.constants_.createDom(svg, this.name + '-' + theme.name,
-      '.' + this.getClassName() + '.' + theme.getClassName());
-};
-
-/**
- * Refresh the renderer after a theme change.
- * @param {!SVGElement} svg The root of the workspace's SVG.
- * @param {!Blockly.Theme} theme The workspace theme object.
- * @package
- */
-Blockly.blockRendering.Renderer.prototype.refreshDom = function(svg, theme) {
-  var previousConstants = this.getConstants();
-  previousConstants.dispose();
-  this.constants_ = this.makeConstants_();
-  if (this.overrides) {
-    Blockly.utils.object.mixin(this.constants_, this.overrides);
-  }
-  // Ensure the constant provider's random identifier does not change.
-  this.constants_.randomIdentifier = previousConstants.randomIdentifier;
-  this.constants_.setTheme(theme);
-  this.constants_.init();
-  this.createDom(svg, theme);
-};
-
-/**
- * Dispose of this renderer.
- * Delete all DOM elements that this renderer and its constants created.
- * @package
- */
-Blockly.blockRendering.Renderer.prototype.dispose = function() {
-  if (this.constants_) {
-    this.constants_.dispose();
-  }
-};
-
-/**
- * Create a new instance of the renderer's constant provider.
- * @return {!Blockly.blockRendering.ConstantProvider} The constant provider.
- * @protected
- */
-Blockly.blockRendering.Renderer.prototype.makeConstants_ = function() {
-  return new Blockly.blockRendering.ConstantProvider();
-};
-
-/**
- * Create a new instance of the renderer's render info object.
- * @param {!Blockly.BlockSvg} block The block to measure.
- * @return {!Blockly.blockRendering.RenderInfo} The render info object.
- * @protected
- */
-Blockly.blockRendering.Renderer.prototype.makeRenderInfo_ = function(block) {
-  return new Blockly.blockRendering.RenderInfo(this, block);
-};
-
-/**
- * Create a new instance of the renderer's drawer.
- * @param {!Blockly.BlockSvg} block The block to render.
- * @param {!Blockly.blockRendering.RenderInfo} info An object containing all
- *   information needed to render this block.
- * @return {!Blockly.blockRendering.Drawer} The drawer.
- * @protected
- */
-Blockly.blockRendering.Renderer.prototype.makeDrawer_ = function(block, info) {
-  return new Blockly.blockRendering.Drawer(block, info);
-};
-
-/**
- * Create a new instance of the renderer's debugger.
- * @return {!Blockly.blockRendering.Debug} The renderer debugger.
- * @suppress {strictModuleDepCheck} Debug renderer only included in playground.
- * @protected
- */
-Blockly.blockRendering.Renderer.prototype.makeDebugger_ = function() {
-  if (!Blockly.blockRendering.Debug) {
-    throw Error('Missing require for Blockly.blockRendering.Debug');
-  }
-  return new Blockly.blockRendering.Debug(this.getConstants());
-};
-
-/**
- * Create a new instance of the renderer's marker drawer.
- * @param {!Blockly.WorkspaceSvg} workspace The workspace the marker belongs to.
- * @param {!Blockly.Marker} marker The marker.
- * @return {!Blockly.blockRendering.MarkerSvg} The object in charge of drawing
- *     the marker.
- * @package
- */
-Blockly.blockRendering.Renderer.prototype.makeMarkerDrawer = function(
-    workspace, marker) {
-  return new Blockly.blockRendering.MarkerSvg(workspace, this.getConstants(), marker);
-};
-
-/**
- * Create a new instance of a renderer path object.
- * @param {!SVGElement} root The root SVG element.
- * @param {!Blockly.Theme.BlockStyle} style The style object to use for
- *     colouring.
- * @return {!Blockly.blockRendering.IPathObject} The renderer path object.
- * @package
- */
-Blockly.blockRendering.Renderer.prototype.makePathObject = function(root,
-    style) {
-  return new Blockly.blockRendering.PathObject(root, style,
-      /** @type {!Blockly.blockRendering.ConstantProvider} */ (this.constants_));
-
-};
-
-/**
- * Get the current renderer's constant provider.  We assume that when this is
- * called, the renderer has already been initialized.
- * @return {!Blockly.blockRendering.ConstantProvider} The constant provider.
- * @package
- */
-Blockly.blockRendering.Renderer.prototype.getConstants = function() {
-  return (
-    /** @type {!Blockly.blockRendering.ConstantProvider} */
-    (this.constants_));
-};
-
-/**
- * Determine whether or not to highlight a connection.
- * @param {Blockly.Connection} _conn The connection to determine whether or not
- *     to highlight.
- * @return {boolean} True if we should highlight the connection.
- * @package
- */
-Blockly.blockRendering.Renderer.prototype.shouldHighlightConnection =
-    function(_conn) {
-    /* eslint-disable indent */
-  return true;
-}; /* eslint-enable indent */
-
-/**
- * Checks if an orphaned block can connect to the "end" of the topBlock's
- * block-clump. If the clump is a row the end is the last input. If the clump
- * is a stack, the end is the last next connection. If the clump is neither,
- * then this returns false.
- * @param {!Blockly.BlockSvg} topBlock The top block of the block clump we want to try and
- *     connect to.
- * @param {!Blockly.BlockSvg} orphanBlock The orphan block that wants to find
- *     a home.
- * @param {number} localType The type of the connection being dragged.
- * @return {boolean} Whether there is a home for the orphan or not.
- * @package
- */
-Blockly.blockRendering.Renderer.prototype.orphanCanConnectAtEnd =
-    function(topBlock, orphanBlock, localType) {
-      var orphanConnection = null;
-      var lastConnection = null;
-      if (localType == Blockly.OUTPUT_VALUE) {  // We are replacing an output.
-        orphanConnection = orphanBlock.outputConnection;
-        // TODO:  I don't think this function necessarily has the correct logic,
-        //  but for now it is being kept for behavioral backwards-compat.
-        lastConnection = Blockly.Connection
-            .lastConnectionInRow(
-                /** @type {!Blockly.Block} **/ (topBlock), orphanBlock);
-      } else {  // We are replacing a previous.
-        orphanConnection = orphanBlock.previousConnection;
-        // TODO: This lives on the block while lastConnectionInRow lives on
-        //  on the connection. Something is fishy.
-        lastConnection = topBlock.lastConnectionInStack();
-      }
-
-      if (!lastConnection) {
-        return false;
-      }
-      return orphanConnection.getConnectionChecker().canConnect(
-          lastConnection, orphanConnection, false);
-    };
-
-/**
- * Chooses a connection preview method based on the available connection, the
- * current dragged connection, and the block being dragged.
- * @param {!Blockly.RenderedConnection} closest The available connection.
- * @param {!Blockly.RenderedConnection} local The connection currently being
- *     dragged.
- * @param {!Blockly.BlockSvg} topBlock The block currently being dragged.
- * @return {!Blockly.InsertionMarkerManager.PREVIEW_TYPE} The preview type
- *     to display.
- * @package
- */
-Blockly.blockRendering.Renderer.prototype.getConnectionPreviewMethod =
-    function(closest, local, topBlock) {
-      if (local.type == Blockly.OUTPUT_VALUE ||
-          local.type == Blockly.PREVIOUS_STATEMENT) {
-        if (!closest.isConnected() ||
-            this.orphanCanConnectAtEnd(
-                topBlock,
-                /** @type {!Blockly.BlockSvg} */ (closest.targetBlock()),
-                local.type)) {
-          return Blockly.InsertionMarkerManager.PREVIEW_TYPE.INSERTION_MARKER;
-        }
-        return Blockly.InsertionMarkerManager.PREVIEW_TYPE.REPLACEMENT_FADE;
-      }
-
-      return Blockly.InsertionMarkerManager.PREVIEW_TYPE.INSERTION_MARKER;
-    };
-
-/**
- * Render the block.
- * @param {!Blockly.BlockSvg} block The block to render.
- * @package
- */
-Blockly.blockRendering.Renderer.prototype.render = function(block) {
-  if (Blockly.blockRendering.useDebugger && !block.renderingDebugger) {
-    block.renderingDebugger = this.makeDebugger_();
-  }
-  var info = this.makeRenderInfo_(block);
-  info.measure();
-  this.makeDrawer_(block, info).draw();
-};
diff --git a/core/renderers/common/renderer.ts b/core/renderers/common/renderer.ts
new file mode 100644
index 00000000000..15a958db463
--- /dev/null
+++ b/core/renderers/common/renderer.ts
@@ -0,0 +1,281 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.Renderer
+
+import type {Block} from '../../block.js';
+import type {BlockSvg} from '../../block_svg.js';
+import {Connection} from '../../connection.js';
+import {ConnectionType} from '../../connection_type.js';
+import {
+  InsertionMarkerManager,
+  PreviewType,
+} from '../../insertion_marker_manager.js';
+import type {IRegistrable} from '../../interfaces/i_registrable.js';
+import type {Marker} from '../../keyboard_nav/marker.js';
+import type {RenderedConnection} from '../../rendered_connection.js';
+import type {BlockStyle, Theme} from '../../theme.js';
+import type {WorkspaceSvg} from '../../workspace_svg.js';
+
+import {ConstantProvider} from './constants.js';
+import {Drawer} from './drawer.js';
+import type {IPathObject} from './i_path_object.js';
+import {RenderInfo} from './info.js';
+import {MarkerSvg} from './marker_svg.js';
+import {PathObject} from './path_object.js';
+import * as deprecation from '../../utils/deprecation.js';
+
+/**
+ * The base class for a block renderer.
+ */
+export class Renderer implements IRegistrable {
+  /** The renderer's constant provider. */
+  protected constants_!: ConstantProvider;
+
+  protected name: string;
+
+  /**
+   * Rendering constant overrides, passed in through options.
+   */
+  protected overrides: object | null = null;
+
+  /**
+   * @param name The renderer name.
+   */
+  constructor(name: string) {
+    this.name = name;
+  }
+
+  /**
+   * Gets the class name that identifies this renderer.
+   *
+   * @returns The CSS class name.
+   */
+  getClassName(): string {
+    return this.name + '-renderer';
+  }
+
+  /**
+   * Initialize the renderer.
+   *
+   * @param theme The workspace theme object.
+   * @param opt_rendererOverrides Rendering constant overrides.
+   */
+  init(
+    theme: Theme,
+    opt_rendererOverrides?: {[rendererConstant: string]: any},
+  ) {
+    this.constants_ = this.makeConstants_();
+    if (opt_rendererOverrides) {
+      this.overrides = opt_rendererOverrides;
+      Object.assign(this.constants_, opt_rendererOverrides);
+    }
+    this.constants_.setTheme(theme);
+    this.constants_.init();
+  }
+
+  /**
+   * Create any DOM elements that this renderer needs.
+   * If you need to create additional DOM elements, override the
+   * {@link ConstantProvider#createDom} method instead.
+   *
+   * @param svg The root of the workspace's SVG.
+   * @param theme The workspace theme object.
+   * @internal
+   */
+  createDom(svg: SVGElement, theme: Theme) {
+    this.constants_.createDom(
+      svg,
+      this.name + '-' + theme.name,
+      '.' + this.getClassName() + '.' + theme.getClassName(),
+    );
+  }
+
+  /**
+   * Refresh the renderer after a theme change.
+   *
+   * @param svg The root of the workspace's SVG.
+   * @param theme The workspace theme object.
+   */
+  refreshDom(svg: SVGElement, theme: Theme) {
+    const previousConstants = this.getConstants();
+    previousConstants.dispose();
+    this.constants_ = this.makeConstants_();
+    if (this.overrides) {
+      Object.assign(this.constants_, this.overrides);
+    }
+    // Ensure the constant provider's random identifier does not change.
+    this.constants_.randomIdentifier = previousConstants.randomIdentifier;
+    this.constants_.setTheme(theme);
+    this.constants_.init();
+    this.createDom(svg, theme);
+  }
+
+  /**
+   * Dispose of this renderer.
+   * Delete all DOM elements that this renderer and its constants created.
+   */
+  dispose() {
+    if (this.constants_) {
+      this.constants_.dispose();
+    }
+  }
+
+  /**
+   * Create a new instance of the renderer's constant provider.
+   *
+   * @returns The constant provider.
+   */
+  protected makeConstants_(): ConstantProvider {
+    return new ConstantProvider();
+  }
+
+  /**
+   * Create a new instance of the renderer's render info object.
+   *
+   * @param block The block to measure.
+   * @returns The render info object.
+   */
+  protected makeRenderInfo_(block: BlockSvg): RenderInfo {
+    return new RenderInfo(this, block);
+  }
+
+  /**
+   * Create a new instance of the renderer's drawer.
+   *
+   * @param block The block to render.
+   * @param info An object containing all information needed to render this
+   *     block.
+   * @returns The drawer.
+   */
+  protected makeDrawer_(block: BlockSvg, info: RenderInfo): Drawer {
+    return new Drawer(block, info);
+  }
+
+  /**
+   * Create a new instance of the renderer's marker drawer.
+   *
+   * @param workspace The workspace the marker belongs to.
+   * @param marker The marker.
+   * @returns The object in charge of drawing the marker.
+   */
+  makeMarkerDrawer(workspace: WorkspaceSvg, marker: Marker): MarkerSvg {
+    return new MarkerSvg(workspace, this.getConstants(), marker);
+  }
+
+  /**
+   * Create a new instance of a renderer path object.
+   *
+   * @param root The root SVG element.
+   * @param style The style object to use for colouring.
+   * @returns The renderer path object.
+   */
+  makePathObject(root: SVGElement, style: BlockStyle): IPathObject {
+    return new PathObject(root, style, this.constants_);
+  }
+
+  /**
+   * Get the current renderer's constant provider.  We assume that when this is
+   * called, the renderer has already been initialized.
+   *
+   * @returns The constant provider.
+   */
+  getConstants(): ConstantProvider {
+    return this.constants_;
+  }
+
+  /**
+   * Determine whether or not to highlight a connection.
+   *
+   * @param _conn The connection to determine whether or not to highlight.
+   * @returns True if we should highlight the connection.
+   */
+  shouldHighlightConnection(_conn: Connection): boolean {
+    return true;
+  }
+
+  /**
+   * Checks if an orphaned block can connect to the "end" of the topBlock's
+   * block-clump. If the clump is a row the end is the last input. If the clump
+   * is a stack, the end is the last next connection. If the clump is neither,
+   * then this returns false.
+   *
+   * @param topBlock The top block of the block clump we want to try and connect
+   *     to.
+   * @param orphanBlock The orphan block that wants to find a home.
+   * @param localType The type of the connection being dragged.
+   * @returns Whether there is a home for the orphan or not.
+   */
+  protected orphanCanConnectAtEnd(
+    topBlock: BlockSvg,
+    orphanBlock: BlockSvg,
+    localType: number,
+  ): boolean {
+    const orphanConnection =
+      localType === ConnectionType.OUTPUT_VALUE
+        ? orphanBlock.outputConnection
+        : orphanBlock.previousConnection;
+    return !!Connection.getConnectionForOrphanedConnection(
+      topBlock as Block,
+      orphanConnection as Connection,
+    );
+  }
+
+  /**
+   * Chooses a connection preview method based on the available connection, the
+   * current dragged connection, and the block being dragged.
+   *
+   * @param closest The available connection.
+   * @param local The connection currently being dragged.
+   * @param topBlock The block currently being dragged.
+   * @returns The preview type to display.
+   *
+   * @deprecated v10 - This function is no longer respected. A custom
+   *    IConnectionPreviewer may be able to fulfill the functionality.
+   */
+  getConnectionPreviewMethod(
+    closest: RenderedConnection,
+    local: RenderedConnection,
+    topBlock: BlockSvg,
+  ): PreviewType {
+    deprecation.warn(
+      'getConnectionPreviewMethod',
+      'v10',
+      'v12',
+      'an IConnectionPreviewer, if it fulfills your use case.',
+    );
+    if (
+      local.type === ConnectionType.OUTPUT_VALUE ||
+      local.type === ConnectionType.PREVIOUS_STATEMENT
+    ) {
+      if (
+        !closest.isConnected() ||
+        this.orphanCanConnectAtEnd(
+          topBlock,
+          closest.targetBlock() as BlockSvg,
+          local.type,
+        )
+      ) {
+        return InsertionMarkerManager.PREVIEW_TYPE.INSERTION_MARKER;
+      }
+      return InsertionMarkerManager.PREVIEW_TYPE.REPLACEMENT_FADE;
+    }
+
+    return InsertionMarkerManager.PREVIEW_TYPE.INSERTION_MARKER;
+  }
+
+  /**
+   * Render the block.
+   *
+   * @param block The block to render.
+   * @internal
+   */
+  render(block: BlockSvg) {
+    const info = this.makeRenderInfo_(block);
+    info.measure();
+    this.makeDrawer_(block, info).draw();
+  }
+}
diff --git a/core/renderers/geras/constants.js b/core/renderers/geras/constants.js
deleted file mode 100644
index ee7b9685686..00000000000
--- a/core/renderers/geras/constants.js
+++ /dev/null
@@ -1,64 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview An object that provides constants for rendering blocks in Geras
- * mode.
- * @author kozbial@google.com (Monica Kozbial)
- */
-'use strict';
-
-goog.provide('Blockly.geras.ConstantProvider');
-
-goog.require('Blockly.blockRendering.ConstantProvider');
-goog.require('Blockly.utils.object');
-
-
-/**
- * An object that provides constants for rendering blocks in Geras mode.
- * @constructor
- * @package
- * @extends {Blockly.blockRendering.ConstantProvider}
- */
-Blockly.geras.ConstantProvider = function() {
-  Blockly.geras.ConstantProvider.superClass_.constructor.call(this);
-
-  /**
-   * @override
-   */
-  this.FIELD_TEXT_BASELINE_CENTER = false;
-
-  // The dark/shadow path in classic rendering is the same as the normal block
-  // path, but translated down one and right one.
-  this.DARK_PATH_OFFSET = 1;
-
-  /**
-   * The maximum width of a bottom row that follows a statement input and has
-   * inputs inline.
-   * @type {number}
-   */
-  this.MAX_BOTTOM_WIDTH = 30;
-};
-Blockly.utils.object.inherits(Blockly.geras.ConstantProvider,
-    Blockly.blockRendering.ConstantProvider);
-
-
-/**
- * @override
- */
-Blockly.geras.ConstantProvider.prototype.getCSS_ = function(selector) {
-  return Blockly.geras.ConstantProvider.superClass_.getCSS_.call(this, selector)
-      .concat([
-        /* eslint-disable indent */
-        // Insertion marker.
-        selector + ' .blocklyInsertionMarker>.blocklyPathLight,',
-        selector + ' .blocklyInsertionMarker>.blocklyPathDark {',
-          'fill-opacity: ' + this.INSERTION_MARKER_OPACITY + ';',
-          'stroke: none;',
-        '}',
-        /* eslint-enable indent */
-      ]);
-};
diff --git a/core/renderers/geras/constants.ts b/core/renderers/geras/constants.ts
new file mode 100644
index 00000000000..fc0b7ae7934
--- /dev/null
+++ b/core/renderers/geras/constants.ts
@@ -0,0 +1,46 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.geras.ConstantProvider
+
+import {ConstantProvider as BaseConstantProvider} from '../common/constants.js';
+
+/**
+ * An object that provides constants for rendering blocks in Geras mode.
+ */
+export class ConstantProvider extends BaseConstantProvider {
+  override FIELD_TEXT_BASELINE_CENTER = false;
+
+  // The dark/shadow path in classic rendering is the same as the normal block
+  // path, but translated down one and right one.
+  DARK_PATH_OFFSET = 1;
+
+  /**
+   * The maximum width of a bottom row that follows a statement input and has
+   * inputs inline.
+   */
+  MAX_BOTTOM_WIDTH = 30;
+  override STATEMENT_BOTTOM_SPACER = -this.NOTCH_HEIGHT / 2;
+
+  constructor() {
+    super();
+  }
+
+  override getCSS_(selector: string) {
+    return super.getCSS_(selector).concat([
+      /* eslint-disable indent */
+      /* clang-format off */
+      // Insertion marker.
+      `${selector} .blocklyInsertionMarker>.blocklyPathLight,`,
+      `${selector} .blocklyInsertionMarker>.blocklyPathDark {`,
+      `fill-opacity: ${this.INSERTION_MARKER_OPACITY};`,
+      `stroke: none;`,
+      '}',
+      /* clang-format on */
+      /* eslint-enable indent */
+    ]);
+  }
+}
diff --git a/core/renderers/geras/drawer.js b/core/renderers/geras/drawer.js
deleted file mode 100644
index 2e85eac5ac2..00000000000
--- a/core/renderers/geras/drawer.js
+++ /dev/null
@@ -1,205 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Renderer that preserves the look and feel of Blockly pre-2019.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.geras.Drawer');
-
-goog.require('Blockly.blockRendering.ConstantProvider');
-goog.require('Blockly.blockRendering.Drawer');
-goog.require('Blockly.geras.Highlighter');
-goog.require('Blockly.geras.RenderInfo');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.svgPaths');
-
-goog.requireType('Blockly.geras.PathObject');
-
-
-/**
- * An object that draws a block based on the given rendering information.
- * @param {!Blockly.BlockSvg} block The block to render.
- * @param {!Blockly.geras.RenderInfo} info An object containing all
- *   information needed to render this block.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Drawer}
- */
-Blockly.geras.Drawer = function(block, info) {
-  Blockly.geras.Drawer.superClass_.constructor.call(this, block, info);
-  // Unlike Thrasos, Geras has highlights and drop shadows.
-  this.highlighter_ = new Blockly.geras.Highlighter(info);
-};
-Blockly.utils.object.inherits(Blockly.geras.Drawer,
-    Blockly.blockRendering.Drawer);
-
-/**
- * @override
- */
-Blockly.geras.Drawer.prototype.draw = function() {
-  this.hideHiddenIcons_();
-  this.drawOutline_();
-  this.drawInternals_();
-
-  var pathObject =
-    /** @type {!Blockly.geras.PathObject} */ (this.block_.pathObject);
-  pathObject.setPath(this.outlinePath_ + '\n' + this.inlinePath_);
-  pathObject.setHighlightPath(this.highlighter_.getPath());
-  if (this.info_.RTL) {
-    pathObject.flipRTL();
-  }
-  if (Blockly.blockRendering.useDebugger) {
-    this.block_.renderingDebugger.drawDebug(this.block_, this.info_);
-  }
-  this.recordSizeOnBlock_();
-};
-
-/**
- * @override
- */
-Blockly.geras.Drawer.prototype.drawTop_ = function() {
-  this.highlighter_.drawTopCorner(this.info_.topRow);
-  this.highlighter_.drawRightSideRow(this.info_.topRow);
-
-  Blockly.geras.Drawer.superClass_.drawTop_.call(this);
-};
-
-/**
- * @override
- */
-Blockly.geras.Drawer.prototype.drawJaggedEdge_ = function(row) {
-  this.highlighter_.drawJaggedEdge_(row);
-
-  Blockly.geras.Drawer.superClass_.drawJaggedEdge_.call(this, row);
-};
-
-/**
- * @override
- */
-Blockly.geras.Drawer.prototype.drawValueInput_ = function(row) {
-  this.highlighter_.drawValueInput(row);
-
-  Blockly.geras.Drawer.superClass_.drawValueInput_.call(this, row);
-};
-
-/**
- * @override
- */
-Blockly.geras.Drawer.prototype.drawStatementInput_ = function(row) {
-  this.highlighter_.drawStatementInput(row);
-
-  Blockly.geras.Drawer.superClass_.drawStatementInput_.call(this, row);
-};
-
-/**
- * @override
- */
-Blockly.geras.Drawer.prototype.drawRightSideRow_ = function(row) {
-  this.highlighter_.drawRightSideRow(row);
-
-  this.outlinePath_ +=
-      Blockly.utils.svgPaths.lineOnAxis('H', row.xPos + row.width) +
-      Blockly.utils.svgPaths.lineOnAxis('V', row.yPos + row.height);
-};
-
-/**
- * @override
- */
-Blockly.geras.Drawer.prototype.drawBottom_ = function() {
-  this.highlighter_.drawBottomRow(this.info_.bottomRow);
-
-  Blockly.geras.Drawer.superClass_.drawBottom_.call(this);
-};
-
-/**
- * Add steps for the left side of the block, which may include an output
- * connection
- * @private
- */
-Blockly.geras.Drawer.prototype.drawLeft_ = function() {
-  this.highlighter_.drawLeft();
-
-  Blockly.geras.Drawer.superClass_.drawLeft_.call(this);
-};
-
-/**
- * @override
- */
-Blockly.geras.Drawer.prototype.drawInlineInput_ = function(input) {
-  this.highlighter_.drawInlineInput(input);
-
-  Blockly.geras.Drawer.superClass_.drawInlineInput_.call(this, input);
-};
-
-/**
- * @override
- */
-Blockly.geras.Drawer.prototype.positionInlineInputConnection_ = function(input) {
-  var yPos = input.centerline - input.height / 2;
-  // Move the connection.
-  if (input.connectionModel) {
-    // xPos already contains info about startX
-    var connX = input.xPos + input.connectionWidth +
-        this.constants_.DARK_PATH_OFFSET;
-    if (this.info_.RTL) {
-      connX *= -1;
-    }
-    input.connectionModel.setOffsetInBlock(
-        connX, yPos + input.connectionOffsetY +
-        this.constants_.DARK_PATH_OFFSET);
-  }
-};
-
-/**
- * @override
- */
-Blockly.geras.Drawer.prototype.positionStatementInputConnection_ = function(row) {
-  var input = row.getLastInput();
-  if (input.connectionModel) {
-    var connX = row.xPos + row.statementEdge + input.notchOffset;
-    if (this.info_.RTL) {
-      connX *= -1;
-    } else {
-      connX += this.constants_.DARK_PATH_OFFSET;
-    }
-    input.connectionModel.setOffsetInBlock(connX,
-        row.yPos + this.constants_.DARK_PATH_OFFSET);
-  }
-};
-
-/**
- * @override
- */
-Blockly.geras.Drawer.prototype.positionExternalValueConnection_ = function(row) {
-  var input = row.getLastInput();
-  if (input.connectionModel) {
-    var connX = row.xPos + row.width +
-        this.constants_.DARK_PATH_OFFSET;
-    if (this.info_.RTL) {
-      connX *= -1;
-    }
-    input.connectionModel.setOffsetInBlock(connX, row.yPos);
-  }
-};
-
-/**
- * @override
- */
-Blockly.geras.Drawer.prototype.positionNextConnection_ = function() {
-  var bottomRow = this.info_.bottomRow;
-
-  if (bottomRow.connection) {
-    var connInfo = bottomRow.connection;
-    var x = connInfo.xPos; // Already contains info about startX
-    var connX = (this.info_.RTL ? -x : x) +
-        (this.constants_.DARK_PATH_OFFSET / 2);
-    connInfo.connectionModel.setOffsetInBlock(
-        connX, bottomRow.baseline + this.constants_.DARK_PATH_OFFSET);
-  }
-};
diff --git a/core/renderers/geras/drawer.ts b/core/renderers/geras/drawer.ts
new file mode 100644
index 00000000000..29bcbfab433
--- /dev/null
+++ b/core/renderers/geras/drawer.ts
@@ -0,0 +1,167 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.geras.Drawer
+
+import type {BlockSvg} from '../../block_svg.js';
+import * as svgPaths from '../../utils/svg_paths.js';
+import {Drawer as BaseDrawer} from '../common/drawer.js';
+import type {Row} from '../measurables/row.js';
+
+import type {ConstantProvider} from './constants.js';
+import {Highlighter} from './highlighter.js';
+import type {RenderInfo} from './info.js';
+import type {InlineInput} from './measurables/inline_input.js';
+import type {PathObject} from './path_object.js';
+
+/**
+ * An object that draws a block based on the given rendering information,
+ * customized for the geras renderer.
+ */
+export class Drawer extends BaseDrawer {
+  highlighter_: Highlighter;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  override constants_!: ConstantProvider;
+
+  /**
+   * @param block The block to render.
+   * @param info An object containing all information needed to render this
+   *     block.
+   */
+  constructor(block: BlockSvg, info: RenderInfo) {
+    super(block, info);
+    // Unlike Thrasos, Geras has highlights and drop shadows.
+    this.highlighter_ = new Highlighter(info);
+  }
+
+  override draw() {
+    this.drawOutline_();
+    this.drawInternals_();
+    this.updateConnectionHighlights();
+
+    const pathObject = this.block_.pathObject as PathObject;
+    pathObject.setPath(this.outlinePath_ + '\n' + this.inlinePath_);
+    pathObject.setHighlightPath(this.highlighter_.getPath());
+    if (this.info_.RTL) {
+      pathObject.flipRTL();
+    }
+    this.recordSizeOnBlock_();
+  }
+
+  override drawTop_() {
+    this.highlighter_.drawTopCorner(this.info_.topRow);
+    this.highlighter_.drawRightSideRow(this.info_.topRow);
+
+    super.drawTop_();
+  }
+
+  override drawJaggedEdge_(row: Row) {
+    this.highlighter_.drawJaggedEdge_(row);
+
+    super.drawJaggedEdge_(row);
+  }
+
+  override drawValueInput_(row: Row) {
+    this.highlighter_.drawValueInput(row);
+
+    super.drawValueInput_(row);
+  }
+
+  override drawStatementInput_(row: Row) {
+    this.highlighter_.drawStatementInput(row);
+
+    super.drawStatementInput_(row);
+  }
+
+  override drawRightSideRow_(row: Row) {
+    this.highlighter_.drawRightSideRow(row);
+
+    this.outlinePath_ +=
+      svgPaths.lineOnAxis('H', row.xPos + row.width) +
+      svgPaths.lineOnAxis('V', row.yPos + row.height);
+  }
+
+  override drawBottom_() {
+    this.highlighter_.drawBottomRow(this.info_.bottomRow);
+
+    super.drawBottom_();
+  }
+
+  /**
+   * Add steps for the left side of the block, which may include an output
+   * connection
+   */
+  protected override drawLeft_() {
+    this.highlighter_.drawLeft();
+
+    super.drawLeft_();
+  }
+
+  override drawInlineInput_(input: InlineInput) {
+    this.highlighter_.drawInlineInput(input as InlineInput);
+
+    super.drawInlineInput_(input);
+  }
+
+  override positionInlineInputConnection_(input: InlineInput) {
+    const yPos = input.centerline - input.height / 2;
+    // Move the connection.
+    if (input.connectionModel) {
+      // xPos already contains info about startX
+      let connX =
+        input.xPos + input.connectionWidth + this.constants_.DARK_PATH_OFFSET;
+      if (this.info_.RTL) {
+        connX *= -1;
+      }
+      input.connectionModel.setOffsetInBlock(
+        connX,
+        yPos + input.connectionOffsetY + this.constants_.DARK_PATH_OFFSET,
+      );
+    }
+  }
+
+  override positionStatementInputConnection_(row: Row) {
+    const input = row.getLastInput();
+    if (input?.connectionModel) {
+      let connX = row.xPos + row.statementEdge + input.notchOffset;
+      if (this.info_.RTL) {
+        connX *= -1;
+      } else {
+        connX += this.constants_.DARK_PATH_OFFSET;
+      }
+      input.connectionModel.setOffsetInBlock(
+        connX,
+        row.yPos + this.constants_.DARK_PATH_OFFSET,
+      );
+    }
+  }
+
+  override positionExternalValueConnection_(row: Row) {
+    const input = row.getLastInput();
+    if (input && input.connectionModel) {
+      let connX = row.xPos + row.width + this.constants_.DARK_PATH_OFFSET;
+      if (this.info_.RTL) {
+        connX *= -1;
+      }
+      input.connectionModel.setOffsetInBlock(connX, row.yPos);
+    }
+  }
+
+  override positionNextConnection_() {
+    const bottomRow = this.info_.bottomRow;
+
+    if (bottomRow.connection) {
+      const connInfo = bottomRow.connection;
+      const x = connInfo.xPos; // Already contains info about startX.
+      const connX =
+        (this.info_.RTL ? -x : x) + this.constants_.DARK_PATH_OFFSET / 2;
+      connInfo.connectionModel.setOffsetInBlock(
+        connX,
+        bottomRow.baseline + this.constants_.DARK_PATH_OFFSET,
+      );
+    }
+  }
+}
diff --git a/core/renderers/geras/geras.ts b/core/renderers/geras/geras.ts
new file mode 100644
index 00000000000..567a9126cb1
--- /dev/null
+++ b/core/renderers/geras/geras.ts
@@ -0,0 +1,31 @@
+/** @file Re-exports of Blockly.geras.* modules. */
+
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.geras
+
+import {ConstantProvider} from './constants.js';
+import {Drawer} from './drawer.js';
+import {HighlightConstantProvider} from './highlight_constants.js';
+import {Highlighter} from './highlighter.js';
+import {RenderInfo} from './info.js';
+import {InlineInput} from './measurables/inline_input.js';
+import {StatementInput} from './measurables/statement_input.js';
+import {PathObject} from './path_object.js';
+import {Renderer} from './renderer.js';
+
+export {
+  ConstantProvider,
+  Drawer,
+  HighlightConstantProvider,
+  Highlighter,
+  InlineInput,
+  PathObject,
+  Renderer,
+  RenderInfo,
+  StatementInput,
+};
diff --git a/core/renderers/geras/highlight_constants.js b/core/renderers/geras/highlight_constants.js
deleted file mode 100644
index a986c9e3549..00000000000
--- a/core/renderers/geras/highlight_constants.js
+++ /dev/null
@@ -1,311 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Objects for rendering highlights on blocks.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.geras.HighlightConstantProvider');
-
-goog.require('Blockly.blockRendering.ConstantProvider');
-goog.require('Blockly.utils.svgPaths');
-
-
-/**
- * An object that provides constants for rendering highlights on blocks.
- * Some highlights are simple offsets of the parent paths and can be generated
- * programmatically.  Others, especially on curves, are just made out of piles
- * of constants and are hard to tweak.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @constructor
- * @package
- */
-Blockly.geras.HighlightConstantProvider = function(constants) {
-  /**
-   * The renderer's constant provider.
-   * @type {!Blockly.blockRendering.ConstantProvider}
-   */
-  this.constantProvider = constants;
-
-  /**
-   * The offset between the block's main path and highlight path.
-   * @type {number}
-   * @package
-   */
-  this.OFFSET = 0.5;
-
-  /**
-   * The start point, which is offset in both X and Y, as an SVG path chunk.
-   * @type {string}
-   */
-  this.START_POINT = Blockly.utils.svgPaths.moveBy(this.OFFSET, this.OFFSET);
-
-};
-
-/**
- * Initialize shape objects based on the constants set in the constructor.
- * @package
- */
-Blockly.geras.HighlightConstantProvider.prototype.init = function() {
-
-  /**
-   * An object containing sizing and path information about inside corner
-   * highlights.
-   * @type {!Object}
-   */
-  this.INSIDE_CORNER = this.makeInsideCorner();
-
-  /**
-   * An object containing sizing and path information about outside corner
-   * highlights.
-   * @type {!Object}
-   */
-  this.OUTSIDE_CORNER = this.makeOutsideCorner();
-
-  /**
-   * An object containing sizing and path information about puzzle tab
-   * highlights.
-   * @type {!Object}
-   */
-  this.PUZZLE_TAB = this.makePuzzleTab();
-
-  /**
-   * An object containing sizing and path information about notch highlights.
-   * @type {!Object}
-   */
-  this.NOTCH = this.makeNotch();
-
-  /**
-   * An object containing sizing and path information about highlights for
-   * collapsed block indicators.
-   * @type {!Object}
-   */
-  this.JAGGED_TEETH = this.makeJaggedTeeth();
-
-  /**
-   * An object containing sizing and path information about start hat
-   * highlights.
-   * @type {!Object}
-   */
-  this.START_HAT = this.makeStartHat();
-};
-
-/**
- * @return {!Object} An object containing sizing and path information about
- *     inside corner highlights.
- * @package
- */
-Blockly.geras.HighlightConstantProvider.prototype.makeInsideCorner = function() {
-  var radius = this.constantProvider.CORNER_RADIUS;
-  var offset = this.OFFSET;
-
-  /**
-   * Distance from shape edge to intersect with a curved corner at 45 degrees.
-   * Applies to highlighting on around the outside of a curve.
-   * @const
-   */
-  var distance45outside = (1 - Math.SQRT1_2) * (radius + offset) - offset;
-
-  var pathTopRtl =
-      Blockly.utils.svgPaths.moveBy(distance45outside, distance45outside) +
-      Blockly.utils.svgPaths.arc('a', '0 0,0', radius,
-          Blockly.utils.svgPaths.point(
-              -distance45outside - offset,
-              radius - distance45outside));
-
-  var pathBottomRtl =
-      Blockly.utils.svgPaths.arc('a', '0 0,0', radius + offset,
-          Blockly.utils.svgPaths.point(radius + offset, radius + offset));
-
-  var pathBottomLtr =
-      Blockly.utils.svgPaths.moveBy(distance45outside, - distance45outside) +
-      Blockly.utils.svgPaths.arc('a', '0 0,0', radius + offset,
-          Blockly.utils.svgPaths.point(
-              radius - distance45outside,
-              distance45outside + offset));
-
-  return {
-    width: radius + offset,
-    height: radius,
-    pathTop: function(rtl) {
-      return rtl ? pathTopRtl : '';
-    },
-    pathBottom: function(rtl) {
-      return rtl ? pathBottomRtl : pathBottomLtr;
-    },
-  };
-};
-
-/**
- * @return {!Object} An object containing sizing and path information about
- *     outside corner highlights.
- * @package
- */
-Blockly.geras.HighlightConstantProvider.prototype.makeOutsideCorner = function() {
-  var radius = this.constantProvider.CORNER_RADIUS;
-  var offset = this.OFFSET;
-
-  /**
-   * Distance from shape edge to intersect with a curved corner at 45 degrees.
-   * Applies to highlighting on around the inside of a curve.
-   * @const
-   */
-  var distance45inside = (1 - Math.SQRT1_2) * (radius - offset) + offset;
-
-  var topLeftStartX = distance45inside;
-  var topLeftStartY = distance45inside;
-  var topLeftCornerHighlightRtl =
-      Blockly.utils.svgPaths.moveBy(topLeftStartX, topLeftStartY) +
-      Blockly.utils.svgPaths.arc('a', '0 0,1', radius - offset,
-          Blockly.utils.svgPaths.point(radius - topLeftStartX, -topLeftStartY + offset));
-  /**
-   * SVG path for drawing the highlight on the rounded top-left corner.
-   * @const
-   */
-  var topLeftCornerHighlightLtr =
-      Blockly.utils.svgPaths.moveBy(offset, radius) +
-      Blockly.utils.svgPaths.arc('a', '0 0,1', radius - offset,
-          Blockly.utils.svgPaths.point(radius, -radius + offset));
-
-  var bottomLeftStartX = distance45inside;
-  var bottomLeftStartY = -distance45inside;
-  var bottomLeftPath = Blockly.utils.svgPaths.moveBy(
-      bottomLeftStartX, bottomLeftStartY) +
-          Blockly.utils.svgPaths.arc('a', '0 0,1', radius - offset,
-              Blockly.utils.svgPaths.point(-bottomLeftStartX + offset,
-                  -bottomLeftStartY - radius));
-
-  return {
-    height: radius,
-    topLeft: function(rtl) {
-      return rtl ? topLeftCornerHighlightRtl : topLeftCornerHighlightLtr;
-    },
-    bottomLeft: function() {
-      return bottomLeftPath;
-    }
-  };
-};
-
-/**
- * @return {!Object} An object containing sizing and path information about
- *     puzzle tab highlights.
- * @package
- */
-Blockly.geras.HighlightConstantProvider.prototype.makePuzzleTab = function() {
-  var width = this.constantProvider.TAB_WIDTH;
-  var height = this.constantProvider.TAB_HEIGHT;
-
-  // This is how much of the vertical block edge is actually drawn by the puzzle
-  // tab.
-  var verticalOverlap = 2.5;
-
-  var highlightRtlUp =
-      Blockly.utils.svgPaths.moveBy(-2, -height + verticalOverlap + 0.9) +
-      Blockly.utils.svgPaths.lineTo(width * -0.45, -2.1);
-
-  var highlightRtlDown =
-      Blockly.utils.svgPaths.lineOnAxis('v', verticalOverlap) +
-      Blockly.utils.svgPaths.moveBy(-width * 0.97, 2.5) +
-      Blockly.utils.svgPaths.curve('q',
-          [
-            Blockly.utils.svgPaths.point(-width * 0.05, 10),
-            Blockly.utils.svgPaths.point(width * 0.3, 9.5)
-          ]) +
-      Blockly.utils.svgPaths.moveBy(width * 0.67, -1.9) +
-      Blockly.utils.svgPaths.lineOnAxis('v', verticalOverlap);
-
-  var highlightLtrUp =
-      Blockly.utils.svgPaths.lineOnAxis('v', -1.5) +
-      Blockly.utils.svgPaths.moveBy(width * -0.92, -0.5) +
-      Blockly.utils.svgPaths.curve('q',
-          [
-            Blockly.utils.svgPaths.point(width * -0.19, -5.5),
-            Blockly.utils.svgPaths.point(0,-11)
-          ]) +
-      Blockly.utils.svgPaths.moveBy(width * 0.92, 1);
-
-  var highlightLtrDown =
-      Blockly.utils.svgPaths.moveBy(-5, height - 0.7) +
-      Blockly.utils.svgPaths.lineTo(width * 0.46, -2.1);
-
-  return {
-    width: width,
-    height: height,
-    pathUp: function(rtl) {
-      return rtl ? highlightRtlUp : highlightLtrUp;
-    },
-    pathDown: function(rtl) {
-      return rtl ? highlightRtlDown : highlightLtrDown;
-    }
-  };
-};
-
-/**
- * @return {!Object} An object containing sizing and path information about
- *     notch highlights.
- * @package
- */
-Blockly.geras.HighlightConstantProvider.prototype.makeNotch = function() {
-  // This is only for the previous connection.
-  var pathLeft =
-      Blockly.utils.svgPaths.lineOnAxis(
-          'h', this.OFFSET) +
-      this.constantProvider.NOTCH.pathLeft;
-  return {
-    pathLeft: pathLeft
-  };
-};
-
-/**
- * @return {!Object} An object containing sizing and path information about
- *     collapsed block edge highlights.
- * @package
- */
-Blockly.geras.HighlightConstantProvider.prototype.makeJaggedTeeth = function() {
-  var pathLeft =
-      Blockly.utils.svgPaths.lineTo(5.1, 2.6) +
-      Blockly.utils.svgPaths.moveBy(-10.2, 6.8) +
-      Blockly.utils.svgPaths.lineTo(5.1, 2.6);
-  return {
-    pathLeft: pathLeft,
-    height: 12,
-    width: 10.2
-  };
-};
-
-/**
- * @return {!Object} An object containing sizing and path information about
- *     start highlights.
- * @package
- */
-Blockly.geras.HighlightConstantProvider.prototype.makeStartHat = function() {
-  var hatHeight = this.constantProvider.START_HAT.height;
-  var pathRtl =
-      Blockly.utils.svgPaths.moveBy(25, -8.7) +
-      Blockly.utils.svgPaths.curve('c',
-          [
-            Blockly.utils.svgPaths.point(29.7, -6.2),
-            Blockly.utils.svgPaths.point(57.2, -0.5),
-            Blockly.utils.svgPaths.point(75, 8.7)
-          ]);
-
-  var pathLtr =
-      Blockly.utils.svgPaths.curve('c',
-          [
-            Blockly.utils.svgPaths.point(17.8, -9.2),
-            Blockly.utils.svgPaths.point(45.3, -14.9),
-            Blockly.utils.svgPaths.point(75, -8.7)
-          ]) +
-      Blockly.utils.svgPaths.moveTo(100.5, hatHeight + 0.5);
-  return {
-    path: function(rtl) {
-      return rtl ? pathRtl : pathLtr;
-    }
-  };
-};
diff --git a/core/renderers/geras/highlight_constants.ts b/core/renderers/geras/highlight_constants.ts
new file mode 100644
index 00000000000..ee5d31cf9ae
--- /dev/null
+++ b/core/renderers/geras/highlight_constants.ts
@@ -0,0 +1,342 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.geras.HighlightConstantProvider
+
+import * as svgPaths from '../../utils/svg_paths.js';
+import type {ConstantProvider} from '../common/constants.js';
+
+/** An object containing sizing and path information about an outside corner. */
+export interface OutsideCorner {
+  height: number;
+  topLeft: (p1: boolean) => string;
+  bottomLeft: () => string;
+}
+
+/** An object containing sizing and path information about an inside corner. */
+export interface InsideCorner {
+  width: number;
+  height: number;
+  pathTop: (p1: boolean) => string;
+  pathBottom: (p1: boolean) => string;
+}
+
+/** An object containing sizing and path information about a start hat. */
+export interface StartHat {
+  path: (p1: boolean) => string;
+}
+
+/** An object containing sizing and path information about a notch. */
+export interface Notch {
+  pathLeft: string;
+}
+
+/** An object containing sizing and path information about a puzzle tab. */
+export interface PuzzleTab {
+  width: number;
+  height: number;
+  pathDown: (p1: boolean) => string;
+  pathUp: (p1: boolean) => string;
+}
+
+/**
+ * An object containing sizing and path information about collapsed block
+ * indicators.
+ */
+export interface JaggedTeeth {
+  height: number;
+  width: number;
+  pathLeft: string;
+}
+
+/**
+ * An object that provides constants for rendering highlights on blocks.
+ * Some highlights are simple offsets of the parent paths and can be generated
+ * programmatically.  Others, especially on curves, are just made out of piles
+ * of constants and are hard to tweak.
+ */
+export class HighlightConstantProvider {
+  constantProvider: ConstantProvider;
+
+  /** The offset between the block's main path and highlight path. */
+  OFFSET = 0.5;
+  START_POINT: string;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  INSIDE_CORNER!: InsideCorner;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  OUTSIDE_CORNER!: OutsideCorner;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  PUZZLE_TAB!: PuzzleTab;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  NOTCH!: Notch;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  JAGGED_TEETH!: JaggedTeeth;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  START_HAT!: StartHat;
+
+  /**
+   * @param constants The rendering constants provider.
+   */
+  constructor(constants: ConstantProvider) {
+    /** The renderer's constant provider. */
+    this.constantProvider = constants;
+
+    /**
+     * The start point, which is offset in both X and Y, as an SVG path chunk.
+     */
+    this.START_POINT = svgPaths.moveBy(this.OFFSET, this.OFFSET);
+  }
+
+  /**
+   * Initialize shape objects based on the constants set in the constructor.
+   */
+  init() {
+    /**
+     * An object containing sizing and path information about inside corner
+     * highlights.
+     */
+    this.INSIDE_CORNER = this.makeInsideCorner();
+
+    /**
+     * An object containing sizing and path information about outside corner
+     * highlights.
+     */
+    this.OUTSIDE_CORNER = this.makeOutsideCorner();
+
+    /**
+     * An object containing sizing and path information about puzzle tab
+     * highlights.
+     */
+    this.PUZZLE_TAB = this.makePuzzleTab();
+
+    /**
+     * An object containing sizing and path information about notch highlights.
+     */
+    this.NOTCH = this.makeNotch();
+
+    /**
+     * An object containing sizing and path information about highlights for
+     * collapsed block indicators.
+     */
+    this.JAGGED_TEETH = this.makeJaggedTeeth();
+
+    /**
+     * An object containing sizing and path information about start hat
+     * highlights.
+     */
+    this.START_HAT = this.makeStartHat();
+  }
+
+  /**
+   * @returns An object containing sizing and path information about inside
+   *     corner highlights.
+   */
+  protected makeInsideCorner(): InsideCorner {
+    const radius = this.constantProvider.CORNER_RADIUS;
+    const offset = this.OFFSET;
+
+    /**
+     * Distance from shape edge to intersect with a curved corner at 45 degrees.
+     * Applies to highlighting on around the outside of a curve.
+     */
+    const distance45outside = (1 - Math.SQRT1_2) * (radius + offset) - offset;
+
+    const pathTopRtl =
+      svgPaths.moveBy(distance45outside, distance45outside) +
+      svgPaths.arc(
+        'a',
+        '0 0,0',
+        radius,
+        svgPaths.point(-distance45outside - offset, radius - distance45outside),
+      );
+
+    const pathBottomRtl = svgPaths.arc(
+      'a',
+      '0 0,0',
+      radius + offset,
+      svgPaths.point(radius + offset, radius + offset),
+    );
+
+    const pathBottomLtr =
+      svgPaths.moveBy(distance45outside, -distance45outside) +
+      svgPaths.arc(
+        'a',
+        '0 0,0',
+        radius + offset,
+        svgPaths.point(radius - distance45outside, distance45outside + offset),
+      );
+
+    return {
+      width: radius + offset,
+      height: radius,
+      pathTop(rtl) {
+        return rtl ? pathTopRtl : '';
+      },
+      pathBottom(rtl) {
+        return rtl ? pathBottomRtl : pathBottomLtr;
+      },
+    };
+  }
+
+  /**
+   * @returns An object containing sizing and path information about outside
+   *     corner highlights.
+   */
+  protected makeOutsideCorner(): OutsideCorner {
+    const radius = this.constantProvider.CORNER_RADIUS;
+    const offset = this.OFFSET;
+
+    /**
+     * Distance from shape edge to intersect with a curved corner at 45 degrees.
+     * Applies to highlighting on around the inside of a curve.
+     */
+    const distance45inside = (1 - Math.SQRT1_2) * (radius - offset) + offset;
+
+    const topLeftStartX = distance45inside;
+    const topLeftStartY = distance45inside;
+    const topLeftCornerHighlightRtl =
+      svgPaths.moveBy(topLeftStartX, topLeftStartY) +
+      svgPaths.arc(
+        'a',
+        '0 0,1',
+        radius - offset,
+        svgPaths.point(radius - topLeftStartX, -topLeftStartY + offset),
+      );
+    /**
+     * SVG path for drawing the highlight on the rounded top-left corner.
+     */
+    const topLeftCornerHighlightLtr =
+      svgPaths.moveBy(offset, radius) +
+      svgPaths.arc(
+        'a',
+        '0 0,1',
+        radius - offset,
+        svgPaths.point(radius, -radius + offset),
+      );
+
+    const bottomLeftStartX = distance45inside;
+    const bottomLeftStartY = -distance45inside;
+    const bottomLeftPath =
+      svgPaths.moveBy(bottomLeftStartX, bottomLeftStartY) +
+      svgPaths.arc(
+        'a',
+        '0 0,1',
+        radius - offset,
+        svgPaths.point(-bottomLeftStartX + offset, -bottomLeftStartY - radius),
+      );
+
+    return {
+      height: radius,
+      topLeft(rtl) {
+        return rtl ? topLeftCornerHighlightRtl : topLeftCornerHighlightLtr;
+      },
+      bottomLeft() {
+        return bottomLeftPath;
+      },
+    };
+  }
+
+  /**
+   * @returns An object containing sizing and path information about puzzle tab
+   *     highlights.
+   */
+  protected makePuzzleTab(): PuzzleTab {
+    const width = this.constantProvider.TAB_WIDTH;
+    const height = this.constantProvider.TAB_HEIGHT;
+
+    // This is how much of the vertical block edge is actually drawn by the
+    // puzzle tab.
+    const verticalOverlap = 2.5;
+
+    const highlightRtlUp =
+      svgPaths.moveBy(-2, -height + verticalOverlap + 0.9) +
+      svgPaths.lineTo(width * -0.45, -2.1);
+
+    const highlightRtlDown =
+      svgPaths.lineOnAxis('v', verticalOverlap) +
+      svgPaths.moveBy(-width * 0.97, 2.5) +
+      svgPaths.curve('q', [
+        svgPaths.point(-width * 0.05, 10),
+        svgPaths.point(width * 0.3, 9.5),
+      ]) +
+      svgPaths.moveBy(width * 0.67, -1.9) +
+      svgPaths.lineOnAxis('v', verticalOverlap);
+
+    const highlightLtrUp =
+      svgPaths.lineOnAxis('v', -1.5) +
+      svgPaths.moveBy(width * -0.92, -0.5) +
+      svgPaths.curve('q', [
+        svgPaths.point(width * -0.19, -5.5),
+        svgPaths.point(0, -11),
+      ]) +
+      svgPaths.moveBy(width * 0.92, 1);
+
+    const highlightLtrDown =
+      svgPaths.moveBy(-5, height - 0.7) + svgPaths.lineTo(width * 0.46, -2.1);
+
+    return {
+      width,
+      height,
+      pathUp(rtl) {
+        return rtl ? highlightRtlUp : highlightLtrUp;
+      },
+      pathDown(rtl) {
+        return rtl ? highlightRtlDown : highlightLtrDown;
+      },
+    };
+  }
+
+  /**
+   * @returns An object containing sizing and path information about notch
+   *     highlights.
+   */
+  protected makeNotch(): Notch {
+    // This is only for the previous connection.
+    const pathLeft =
+      svgPaths.lineOnAxis('h', this.OFFSET) +
+      this.constantProvider.NOTCH.pathLeft;
+    return {pathLeft};
+  }
+
+  /**
+   * @returns An object containing sizing and path information about collapsed
+   *     block edge highlights.
+   */
+  protected makeJaggedTeeth(): JaggedTeeth {
+    const pathLeft =
+      svgPaths.lineTo(5.1, 2.6) +
+      svgPaths.moveBy(-10.2, 6.8) +
+      svgPaths.lineTo(5.1, 2.6);
+    return {pathLeft, height: 12, width: 10.2};
+  }
+
+  /**
+   * @returns An object containing sizing and path information about start
+   *     highlights.
+   */
+  protected makeStartHat(): StartHat {
+    const hatHeight = this.constantProvider.START_HAT.height;
+    const pathRtl =
+      svgPaths.moveBy(25, -8.7) +
+      svgPaths.curve('c', [
+        svgPaths.point(29.7, -6.2),
+        svgPaths.point(57.2, -0.5),
+        svgPaths.point(75, 8.7),
+      ]);
+
+    const pathLtr =
+      svgPaths.curve('c', [
+        svgPaths.point(17.8, -9.2),
+        svgPaths.point(45.3, -14.9),
+        svgPaths.point(75, -8.7),
+      ]) + svgPaths.moveTo(100.5, hatHeight + 0.5);
+    return {
+      path(rtl) {
+        return rtl ? pathRtl : pathLtr;
+      },
+    };
+  }
+}
diff --git a/core/renderers/geras/highlighter.js b/core/renderers/geras/highlighter.js
deleted file mode 100644
index 811c0e16bcc..00000000000
--- a/core/renderers/geras/highlighter.js
+++ /dev/null
@@ -1,256 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Methods for adding highlights on block, for rendering in
- * compatibility mode.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.geras.Highlighter');
-
-goog.require('Blockly.blockRendering.BottomRow');
-goog.require('Blockly.blockRendering.InputRow');
-goog.require('Blockly.blockRendering.Measurable');
-goog.require('Blockly.blockRendering.RenderInfo');
-goog.require('Blockly.blockRendering.Row');
-goog.require('Blockly.blockRendering.SpacerRow');
-goog.require('Blockly.blockRendering.TopRow');
-goog.require('Blockly.blockRendering.Types');
-goog.require('Blockly.utils.svgPaths');
-
-
-/**
- * An object that adds highlights to a block based on the given rendering
- * information.
- *
- * Highlighting is interesting because the highlights do not fully enclose the
- * block.  Instead, they are positioned based on a light source in the top left.
- * This means that rendering highlights requires exact information about the
- * position of each part of the block.  The resulting paths are not continuous
- * or closed paths.  The highlights for tabs and notches are loosely based on
- * tab and notch shapes, but are not exactly the same.
- *
- * @param {!Blockly.geras.RenderInfo} info An object containing all
- *     information needed to render this block.
- * @package
- * @constructor
- */
-Blockly.geras.Highlighter = function(info) {
-  this.info_ = info;
-  this.steps_ = '';
-  this.inlineSteps_ = '';
-
-  this.RTL_ = this.info_.RTL;
-
-  var renderer = /** @type {!Blockly.geras.Renderer} */ (info.getRenderer());
-
-  /**
-   * The renderer's constant provider.
-   * @type {!Blockly.blockRendering.ConstantProvider}
-   */
-  this.constants_ = renderer.getConstants();
-
-  /**
-   * @type {!Blockly.geras.HighlightConstantProvider}
-   */
-  this.highlightConstants_ = renderer.getHighlightConstants();
-  /**
-   * The offset between the block's main path and highlight path.
-   * @type {number}
-   * @private
-   */
-  this.highlightOffset_ = this.highlightConstants_.OFFSET;
-
-  this.outsideCornerPaths_ = this.highlightConstants_.OUTSIDE_CORNER;
-  this.insideCornerPaths_ = this.highlightConstants_.INSIDE_CORNER;
-  this.puzzleTabPaths_ = this.highlightConstants_.PUZZLE_TAB;
-  this.notchPaths_ = this.highlightConstants_.NOTCH;
-  this.startPaths_ = this.highlightConstants_.START_HAT;
-  this.jaggedTeethPaths_ =
-      this.highlightConstants_.JAGGED_TEETH;
-};
-
-/**
- * Get the steps for the highlight path.
- * @return {string} The steps for the highlight path.
- * @package
- */
-Blockly.geras.Highlighter.prototype.getPath = function() {
-  return this.steps_ + '\n' + this.inlineSteps_;
-};
-
-Blockly.geras.Highlighter.prototype.drawTopCorner = function(row) {
-  this.steps_ += Blockly.utils.svgPaths.moveBy(row.xPos, this.info_.startY);
-  for (var i = 0, elem; (elem = row.elements[i]); i++) {
-    if (Blockly.blockRendering.Types.isLeftSquareCorner(elem)) {
-      this.steps_ += this.highlightConstants_.START_POINT;
-    } else if (Blockly.blockRendering.Types.isLeftRoundedCorner(elem)) {
-      this.steps_ += this.outsideCornerPaths_.topLeft(this.RTL_);
-    } else if (Blockly.blockRendering.Types.isPreviousConnection(elem)) {
-      this.steps_ += this.notchPaths_.pathLeft;
-    } else if (Blockly.blockRendering.Types.isHat(elem)) {
-      this.steps_ += this.startPaths_.path(this.RTL_);
-    } else if (Blockly.blockRendering.Types.isSpacer(elem) && elem.width != 0) {
-      // The end point of the spacer needs to be offset by the highlight amount.
-      // So instead of using the spacer's width for a relative horizontal, use
-      // its width and position for an absolute horizontal move.
-      this.steps_ += Blockly.utils.svgPaths.lineOnAxis('H',
-          elem.xPos + elem.width - this.highlightOffset_);
-    }
-  }
-
-  var right = row.xPos + row.width - this.highlightOffset_;
-  this.steps_ += Blockly.utils.svgPaths.lineOnAxis('H', right);
-};
-
-Blockly.geras.Highlighter.prototype.drawJaggedEdge_ = function(row) {
-  if (this.info_.RTL) {
-    var remainder =
-        row.height - this.jaggedTeethPaths_.height - this.highlightOffset_;
-    this.steps_ += this.jaggedTeethPaths_.pathLeft +
-        Blockly.utils.svgPaths.lineOnAxis('v', remainder);
-  }
-};
-
-Blockly.geras.Highlighter.prototype.drawValueInput = function(row) {
-  var input = row.getLastInput();
-  if (this.RTL_) {
-    var belowTabHeight = row.height - input.connectionHeight;
-
-    this.steps_ +=
-        Blockly.utils.svgPaths.moveTo(
-            input.xPos + input.width - this.highlightOffset_, row.yPos) +
-        this.puzzleTabPaths_.pathDown(this.RTL_) +
-        Blockly.utils.svgPaths.lineOnAxis('v', belowTabHeight);
-  } else {
-    this.steps_ +=
-        Blockly.utils.svgPaths.moveTo(input.xPos + input.width, row.yPos) +
-        this.puzzleTabPaths_.pathDown(this.RTL_);
-  }
-};
-
-Blockly.geras.Highlighter.prototype.drawStatementInput = function(row) {
-  var input = row.getLastInput();
-  if (this.RTL_) {
-    var innerHeight = row.height - (2 * this.insideCornerPaths_.height);
-    this.steps_ +=
-        Blockly.utils.svgPaths.moveTo(input.xPos, row.yPos) +
-        this.insideCornerPaths_.pathTop(this.RTL_) +
-        Blockly.utils.svgPaths.lineOnAxis('v', innerHeight) +
-        this.insideCornerPaths_.pathBottom(this.RTL_) +
-        Blockly.utils.svgPaths.lineTo(
-            row.width - input.xPos - this.insideCornerPaths_.width, 0);
-  } else {
-    this.steps_ +=
-        Blockly.utils.svgPaths.moveTo(input.xPos, row.yPos + row.height) +
-        this.insideCornerPaths_.pathBottom(this.RTL_) +
-        Blockly.utils.svgPaths.lineTo(
-            row.width - input.xPos - this.insideCornerPaths_.width, 0);
-  }
-};
-
-Blockly.geras.Highlighter.prototype.drawRightSideRow = function(row) {
-  var rightEdge = row.xPos + row.width - this.highlightOffset_;
-  if (row.followsStatement) {
-    this.steps_ += Blockly.utils.svgPaths.lineOnAxis('H', rightEdge);
-  }
-  if (this.RTL_) {
-    this.steps_ += Blockly.utils.svgPaths.lineOnAxis('H', rightEdge);
-    if (row.height > this.highlightOffset_) {
-      this.steps_ += Blockly.utils.svgPaths.lineOnAxis('V',
-          row.yPos + row.height - this.highlightOffset_);
-    }
-  }
-};
-
-Blockly.geras.Highlighter.prototype.drawBottomRow = function(row) {
-  // Highlight the vertical edge of the bottom row on the input side.
-  // Highlighting is always from the top left, both in LTR and RTL.
-  if (this.RTL_) {
-    this.steps_ +=
-        Blockly.utils.svgPaths.lineOnAxis('V', row.baseline - this.highlightOffset_);
-  } else {
-    var cornerElem = this.info_.bottomRow.elements[0];
-    if (Blockly.blockRendering.Types.isLeftSquareCorner(cornerElem)) {
-      this.steps_ += Blockly.utils.svgPaths.moveTo(
-          row.xPos + this.highlightOffset_,
-          row.baseline - this.highlightOffset_);
-    } else if (Blockly.blockRendering.Types.isLeftRoundedCorner(cornerElem)) {
-      this.steps_ += Blockly.utils.svgPaths.moveTo(row.xPos, row.baseline);
-      this.steps_ += this.outsideCornerPaths_.bottomLeft();
-    }
-  }
-};
-
-Blockly.geras.Highlighter.prototype.drawLeft = function() {
-  var outputConnection = this.info_.outputConnection;
-  if (outputConnection) {
-    var tabBottom =
-        outputConnection.connectionOffsetY + outputConnection.height;
-    // Draw a line up to the bottom of the tab.
-    if (this.RTL_) {
-      this.steps_ += Blockly.utils.svgPaths.moveTo(this.info_.startX, tabBottom);
-    } else {
-      var left = this.info_.startX + this.highlightOffset_;
-      var bottom = this.info_.bottomRow.baseline - this.highlightOffset_;
-      this.steps_ += Blockly.utils.svgPaths.moveTo(left, bottom);
-      this.steps_ += Blockly.utils.svgPaths.lineOnAxis('V', tabBottom);
-    }
-    this.steps_ += this.puzzleTabPaths_.pathUp(this.RTL_);
-  }
-
-  if (!this.RTL_) {
-    var topRow = this.info_.topRow;
-    if (Blockly.blockRendering.Types.isLeftRoundedCorner(topRow.elements[0])) {
-      this.steps_ += Blockly.utils.svgPaths.lineOnAxis('V', this.outsideCornerPaths_.height);
-    } else {
-      this.steps_ +=
-          Blockly.utils.svgPaths.lineOnAxis('V', topRow.capline + this.highlightOffset_);
-    }
-  }
-};
-
-Blockly.geras.Highlighter.prototype.drawInlineInput = function(input) {
-  var offset = this.highlightOffset_;
-
-  // Relative to the block's left.
-  var connectionRight = input.xPos + input.connectionWidth;
-  var yPos = input.centerline - input.height / 2;
-  var bottomHighlightWidth = input.width - input.connectionWidth;
-  var startY = yPos + offset;
-
-  if (this.RTL_) {
-    var aboveTabHeight = input.connectionOffsetY - offset;
-    var belowTabHeight = input.height -
-        (input.connectionOffsetY + input.connectionHeight) + offset;
-
-    var startX = connectionRight - offset;
-
-    this.inlineSteps_ += Blockly.utils.svgPaths.moveTo(startX, startY) +
-        // Right edge above tab.
-        Blockly.utils.svgPaths.lineOnAxis('v', aboveTabHeight) +
-        // Back of tab.
-        this.puzzleTabPaths_.pathDown(this.RTL_) +
-        // Right edge below tab.
-        Blockly.utils.svgPaths.lineOnAxis('v', belowTabHeight) +
-        // Bottom.
-        Blockly.utils.svgPaths.lineOnAxis('h', bottomHighlightWidth);
-  } else {
-
-    this.inlineSteps_ +=
-        // Go to top right corner.
-        Blockly.utils.svgPaths.moveTo(input.xPos + input.width + offset, startY) +
-        // Highlight right edge, bottom.
-        Blockly.utils.svgPaths.lineOnAxis('v', input.height) +
-        Blockly.utils.svgPaths.lineOnAxis('h', -bottomHighlightWidth) +
-        // Go to top of tab.
-        Blockly.utils.svgPaths.moveTo(connectionRight, yPos + input.connectionOffsetY) +
-        // Short highlight glint at bottom of tab.
-        this.puzzleTabPaths_.pathDown(this.RTL_);
-  }
-};
diff --git a/core/renderers/geras/highlighter.ts b/core/renderers/geras/highlighter.ts
new file mode 100644
index 00000000000..664e74fb888
--- /dev/null
+++ b/core/renderers/geras/highlighter.ts
@@ -0,0 +1,313 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.geras.Highlighter
+
+import * as svgPaths from '../../utils/svg_paths.js';
+import type {ConstantProvider} from '../common/constants.js';
+import type {BottomRow} from '../measurables/bottom_row.js';
+import type {Row} from '../measurables/row.js';
+import {SpacerRow} from '../measurables/spacer_row.js';
+import type {TopRow} from '../measurables/top_row.js';
+import {Types} from '../measurables/types.js';
+
+import type {
+  HighlightConstantProvider,
+  InsideCorner,
+  JaggedTeeth,
+  Notch,
+  OutsideCorner,
+  PuzzleTab,
+  StartHat,
+} from './highlight_constants.js';
+import type {RenderInfo} from './info.js';
+import type {InlineInput} from './measurables/inline_input.js';
+
+/**
+ * An object that adds highlights to a block based on the given rendering
+ * information.
+ *
+ * Highlighting is interesting because the highlights do not fully enclose the
+ * block.  Instead, they are positioned based on a light source in the top left.
+ * This means that rendering highlights requires exact information about the
+ * position of each part of the block.  The resulting paths are not continuous
+ * or closed paths.  The highlights for tabs and notches are loosely based on
+ * tab and notch shapes, but are not exactly the same.
+ */
+export class Highlighter {
+  info_: RenderInfo;
+  steps_ = '';
+  inlineSteps_ = '';
+  RTL_: boolean;
+  constants_: ConstantProvider;
+  highlightConstants_: HighlightConstantProvider;
+  private readonly highlightOffset: number;
+  outsideCornerPaths_: OutsideCorner;
+  insideCornerPaths_: InsideCorner;
+  puzzleTabPaths_: PuzzleTab;
+  notchPaths_: Notch;
+  startPaths_: StartHat;
+  jaggedTeethPaths_: JaggedTeeth;
+
+  /**
+   * @param info An object containing all information needed to render this
+   *     block.
+   */
+  constructor(info: RenderInfo) {
+    this.info_ = info;
+
+    this.RTL_ = this.info_.RTL;
+
+    const renderer = info.getRenderer();
+
+    /** The renderer's constant provider. */
+    this.constants_ = renderer.getConstants();
+
+    this.highlightConstants_ = renderer.getHighlightConstants();
+    /** The offset between the block's main path and highlight path. */
+    this.highlightOffset = this.highlightConstants_.OFFSET;
+
+    this.outsideCornerPaths_ = this.highlightConstants_.OUTSIDE_CORNER;
+    this.insideCornerPaths_ = this.highlightConstants_.INSIDE_CORNER;
+    this.puzzleTabPaths_ = this.highlightConstants_.PUZZLE_TAB;
+    this.notchPaths_ = this.highlightConstants_.NOTCH;
+    this.startPaths_ = this.highlightConstants_.START_HAT;
+    this.jaggedTeethPaths_ = this.highlightConstants_.JAGGED_TEETH;
+  }
+
+  /**
+   * Get the steps for the highlight path.
+   *
+   * @returns The steps for the highlight path.
+   */
+  getPath(): string {
+    return this.steps_ + '\n' + this.inlineSteps_;
+  }
+
+  /**
+   * Add a highlight to the top corner of a block.
+   *
+   * @param row The top row of the block.
+   */
+  drawTopCorner(row: TopRow) {
+    this.steps_ += svgPaths.moveBy(row.xPos, this.info_.startY);
+    for (let i = 0, elem; (elem = row.elements[i]); i++) {
+      if (Types.isLeftSquareCorner(elem)) {
+        this.steps_ += this.highlightConstants_.START_POINT;
+      } else if (Types.isLeftRoundedCorner(elem)) {
+        this.steps_ += this.outsideCornerPaths_.topLeft(this.RTL_);
+      } else if (Types.isPreviousConnection(elem)) {
+        this.steps_ += this.notchPaths_.pathLeft;
+      } else if (Types.isHat(elem)) {
+        this.steps_ += this.startPaths_.path(this.RTL_);
+      } else if (Types.isSpacer(elem) && elem.width !== 0) {
+        // The end point of the spacer needs to be offset by the highlight
+        // amount. So instead of using the spacer's width for a relative
+        // horizontal, use its width and position for an absolute horizontal
+        // move.
+        this.steps_ += svgPaths.lineOnAxis(
+          'H',
+          elem.xPos + elem.width - this.highlightOffset,
+        );
+      }
+    }
+
+    const right = row.xPos + row.width - this.highlightOffset;
+    this.steps_ += svgPaths.lineOnAxis('H', right);
+  }
+
+  /**
+   * Add a highlight on a jagged edge for a collapsed block.
+   *
+   * @param row  The row to highlight.
+   */
+  drawJaggedEdge_(row: Row) {
+    if (this.info_.RTL) {
+      const remainder =
+        row.height - this.jaggedTeethPaths_.height - this.highlightOffset;
+      this.steps_ +=
+        this.jaggedTeethPaths_.pathLeft + svgPaths.lineOnAxis('v', remainder);
+    }
+  }
+
+  /**
+   * Add a highlight on a value input.
+   *
+   * @param row The row the input belongs to.
+   */
+  drawValueInput(row: Row) {
+    const input = row.getLastInput() as InlineInput;
+    if (this.RTL_) {
+      const belowTabHeight = row.height - input.connectionHeight;
+
+      this.steps_ +=
+        svgPaths.moveTo(
+          input.xPos + input.width - this.highlightOffset,
+          row.yPos,
+        ) +
+        this.puzzleTabPaths_.pathDown(this.RTL_) +
+        svgPaths.lineOnAxis('v', belowTabHeight);
+    } else {
+      this.steps_ +=
+        svgPaths.moveTo(input.xPos + input.width, row.yPos) +
+        this.puzzleTabPaths_.pathDown(this.RTL_);
+    }
+  }
+
+  /**
+   * Add a highlight on a statement input.
+   *
+   * @param row The row to highlight.
+   */
+  drawStatementInput(row: Row) {
+    const input = row.getLastInput();
+    if (!input) return;
+    if (this.RTL_) {
+      const innerHeight = row.height - 2 * this.insideCornerPaths_.height;
+      this.steps_ +=
+        svgPaths.moveTo(input.xPos, row.yPos) +
+        this.insideCornerPaths_.pathTop(this.RTL_) +
+        svgPaths.lineOnAxis('v', innerHeight) +
+        this.insideCornerPaths_.pathBottom(this.RTL_) +
+        svgPaths.lineTo(
+          row.width - input.xPos - this.insideCornerPaths_.width,
+          0,
+        );
+    } else {
+      this.steps_ +=
+        svgPaths.moveTo(input.xPos, row.yPos + row.height) +
+        this.insideCornerPaths_.pathBottom(this.RTL_) +
+        svgPaths.lineTo(
+          row.width - input.xPos - this.insideCornerPaths_.width,
+          0,
+        );
+    }
+  }
+
+  /**
+   * Add a highlight on the right side of a row.
+   *
+   * @param row The row to highlight.
+   */
+  drawRightSideRow(row: Row) {
+    const rightEdge = row.xPos + row.width - this.highlightOffset;
+    if (row instanceof SpacerRow && row.followsStatement) {
+      this.steps_ += svgPaths.lineOnAxis('H', rightEdge);
+    }
+    if (this.RTL_) {
+      this.steps_ += svgPaths.lineOnAxis('H', rightEdge);
+      if (row.height > this.highlightOffset) {
+        this.steps_ += svgPaths.lineOnAxis(
+          'V',
+          row.yPos + row.height - this.highlightOffset,
+        );
+      }
+    }
+  }
+
+  /**
+   * Add a highlight to the bottom row.
+   *
+   * @param row The row to highlight.
+   */
+  drawBottomRow(row: BottomRow) {
+    // Highlight the vertical edge of the bottom row on the input side.
+    // Highlighting is always from the top left, both in LTR and RTL.
+    if (this.RTL_) {
+      this.steps_ += svgPaths.lineOnAxis(
+        'V',
+        row.baseline - this.highlightOffset,
+      );
+    } else {
+      const cornerElem = this.info_.bottomRow.elements[0];
+      if (Types.isLeftSquareCorner(cornerElem)) {
+        this.steps_ += svgPaths.moveTo(
+          row.xPos + this.highlightOffset,
+          row.baseline - this.highlightOffset,
+        );
+      } else if (Types.isLeftRoundedCorner(cornerElem)) {
+        this.steps_ += svgPaths.moveTo(row.xPos, row.baseline);
+        this.steps_ += this.outsideCornerPaths_.bottomLeft();
+      }
+    }
+  }
+
+  /**
+   * Draw the highlight on the left side of the block.
+   */
+  drawLeft() {
+    const outputConnection = this.info_.outputConnection;
+    if (outputConnection) {
+      const tabBottom =
+        outputConnection.connectionOffsetY + outputConnection.height;
+      // Draw a line up to the bottom of the tab.
+      if (this.RTL_) {
+        this.steps_ += svgPaths.moveTo(this.info_.startX, tabBottom);
+      } else {
+        const left = this.info_.startX + this.highlightOffset;
+        const bottom = this.info_.bottomRow.baseline - this.highlightOffset;
+        this.steps_ += svgPaths.moveTo(left, bottom);
+        this.steps_ += svgPaths.lineOnAxis('V', tabBottom);
+      }
+      this.steps_ += this.puzzleTabPaths_.pathUp(this.RTL_);
+    }
+
+    if (!this.RTL_) {
+      const topRow = this.info_.topRow;
+      if (Types.isLeftRoundedCorner(topRow.elements[0])) {
+        this.steps_ += svgPaths.lineOnAxis(
+          'V',
+          this.outsideCornerPaths_.height,
+        );
+      } else {
+        this.steps_ += svgPaths.lineOnAxis(
+          'V',
+          topRow.capline + this.highlightOffset,
+        );
+      }
+    }
+  }
+
+  /**
+   * Add a highlight to an inline input.
+   *
+   * @param input The input to highlight.
+   */
+  drawInlineInput(input: InlineInput) {
+    const offset = this.highlightOffset;
+
+    // Relative to the block's left.
+    const connectionRight = input.xPos + input.connectionWidth;
+    const yPos = input.centerline - input.height / 2;
+    const bottomHighlightWidth = input.width - input.connectionWidth;
+    const startY = yPos + offset;
+
+    if (this.RTL_) {
+      const aboveTabHeight = input.connectionOffsetY - offset;
+      const belowTabHeight =
+        input.height -
+        (input.connectionOffsetY + input.connectionHeight) +
+        offset;
+
+      const startX = connectionRight - offset;
+
+      this.inlineSteps_ +=
+        svgPaths.moveTo(startX, startY) + // Right edge above tab.
+        svgPaths.lineOnAxis('v', aboveTabHeight) + // Back of tab.
+        this.puzzleTabPaths_.pathDown(this.RTL_) + // Right edge below tab.
+        svgPaths.lineOnAxis('v', belowTabHeight) + // Bottom.
+        svgPaths.lineOnAxis('h', bottomHighlightWidth);
+    } else {
+      this.inlineSteps_ += // Go to top right corner.
+        svgPaths.moveTo(input.xPos + input.width + offset, startY) + // Highlight right edge, bottom.
+        svgPaths.lineOnAxis('v', input.height) +
+        svgPaths.lineOnAxis('h', -bottomHighlightWidth) + // Go to top of tab.
+        svgPaths.moveTo(connectionRight, yPos + input.connectionOffsetY) + // Short highlight glint at
+        // bottom of tab.
+        this.puzzleTabPaths_.pathDown(this.RTL_);
+    }
+  }
+}
diff --git a/core/renderers/geras/info.js b/core/renderers/geras/info.js
deleted file mode 100644
index 9d20634b5c9..00000000000
--- a/core/renderers/geras/info.js
+++ /dev/null
@@ -1,483 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Old (compatibility) renderer.
- * Geras: spirit of old age.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.geras');
-goog.provide('Blockly.geras.RenderInfo');
-
-goog.require('Blockly.blockRendering.BottomRow');
-goog.require('Blockly.blockRendering.InputRow');
-goog.require('Blockly.blockRendering.Measurable');
-goog.require('Blockly.blockRendering.NextConnection');
-goog.require('Blockly.blockRendering.OutputConnection');
-goog.require('Blockly.blockRendering.PreviousConnection');
-goog.require('Blockly.blockRendering.RenderInfo');
-goog.require('Blockly.blockRendering.BottomRow');
-goog.require('Blockly.blockRendering.InputRow');
-goog.require('Blockly.blockRendering.Measurable');
-goog.require('Blockly.blockRendering.NextConnection');
-goog.require('Blockly.blockRendering.OutputConnection');
-goog.require('Blockly.blockRendering.PreviousConnection');
-goog.require('Blockly.blockRendering.Types');
-goog.require('Blockly.blockRendering.ExternalValueInput');
-goog.require('Blockly.geras.InlineInput');
-goog.require('Blockly.geras.StatementInput');
-goog.require('Blockly.utils.object');
-
-
-/**
- * An object containing all sizing information needed to draw this block.
- *
- * This measure pass does not propagate changes to the block (although fields
- * may choose to rerender when getSize() is called).  However, calling it
- * repeatedly may be expensive.
- *
- * @param {!Blockly.geras.Renderer} renderer The renderer in use.
- * @param {!Blockly.BlockSvg} block The block to measure.
- * @constructor
- * @package
- * @extends {Blockly.blockRendering.RenderInfo}
- */
-Blockly.geras.RenderInfo = function(renderer, block) {
-  Blockly.geras.RenderInfo.superClass_.constructor.call(this, renderer, block);
-};
-Blockly.utils.object.inherits(Blockly.geras.RenderInfo,
-    Blockly.blockRendering.RenderInfo);
-
-/**
- * Get the block renderer in use.
- * @return {!Blockly.geras.Renderer} The block renderer in use.
- * @package
- */
-Blockly.geras.RenderInfo.prototype.getRenderer = function() {
-  return /** @type {!Blockly.geras.Renderer} */ (this.renderer_);
-};
-
-/**
- * @override
- */
-Blockly.geras.RenderInfo.prototype.populateBottomRow_ = function() {
-  Blockly.geras.RenderInfo.superClass_.populateBottomRow_.call(this);
-
-  var followsStatement =
-      this.block_.inputList.length &&
-      this.block_.inputList[this.block_.inputList.length - 1]
-          .type == Blockly.NEXT_STATEMENT;
-
-  // The minimum height of the bottom row is smaller in Geras than in other
-  // renderers, because the dark path adds a pixel.
-  // If one of the row's elements has a greater height this will be overwritten
-  // in the compute pass.
-  if (!followsStatement) {
-    this.bottomRow.minHeight =
-        this.constants_.MEDIUM_PADDING - this.constants_.DARK_PATH_OFFSET;
-  }
-
-};
-
-/**
- * @override
- */
-Blockly.geras.RenderInfo.prototype.addInput_ = function(input, activeRow) {
-  // Non-dummy inputs have visual representations onscreen.
-  if (this.isInline && input.type == Blockly.INPUT_VALUE) {
-    activeRow.elements.push(
-        new Blockly.geras.InlineInput(this.constants_, input));
-    activeRow.hasInlineInput = true;
-  } else if (input.type == Blockly.NEXT_STATEMENT) {
-    activeRow.elements.push(
-        new Blockly.geras.StatementInput(this.constants_, input));
-    activeRow.hasStatement = true;
-  } else if (input.type == Blockly.INPUT_VALUE) {
-    activeRow.elements.push(
-        new Blockly.blockRendering.ExternalValueInput(this.constants_, input));
-    activeRow.hasExternalInput = true;
-  } else if (input.type == Blockly.DUMMY_INPUT) {
-    // Dummy inputs have no visual representation, but the information is still
-    // important.
-    activeRow.minHeight = Math.max(activeRow.minHeight,
-        this.constants_.DUMMY_INPUT_MIN_HEIGHT);
-    activeRow.hasDummyInput = true;
-  }
-  // Ignore row alignment if inline.
-  if (!this.isInline && activeRow.align == null) {
-    activeRow.align = input.align;
-  }
-};
-
-/**
- * @override
- */
-Blockly.geras.RenderInfo.prototype.addElemSpacing_ = function() {
-  var hasExternalInputs = false;
-  for (var i = 0, row; (row = this.rows[i]); i++) {
-    if (row.hasExternalInput) {
-      hasExternalInputs = true;
-    }
-  }
-  for (var i = 0, row; (row = this.rows[i]); i++) {
-    var oldElems = row.elements;
-    row.elements = [];
-    // No spacing needed before the corner on the top row or the bottom row.
-    if (row.startsWithElemSpacer()) {
-      // There's a spacer before the first element in the row.
-      row.elements.push(new Blockly.blockRendering.InRowSpacer(
-          this.constants_, this.getInRowSpacing_(null, oldElems[0])));
-    }
-    if (!oldElems.length) {
-      continue;
-    }
-    for (var e = 0; e < oldElems.length - 1; e++) {
-      row.elements.push(oldElems[e]);
-      var spacing = this.getInRowSpacing_(oldElems[e], oldElems[e + 1]);
-      row.elements.push(
-          new Blockly.blockRendering.InRowSpacer(this.constants_, spacing));
-    }
-    row.elements.push(oldElems[oldElems.length - 1]);
-    if (row.endsWithElemSpacer()) {
-      var spacing = this.getInRowSpacing_(oldElems[oldElems.length - 1], null);
-      if (hasExternalInputs && row.hasDummyInput) {
-        spacing += this.constants_.TAB_WIDTH;
-      }
-      // There's a spacer after the last element in the row.
-      row.elements.push(new Blockly.blockRendering.InRowSpacer(
-          this.constants_, spacing));
-    }
-  }
-};
-
-/**
- * @override
- */
-Blockly.geras.RenderInfo.prototype.getInRowSpacing_ = function(prev, next) {
-  if (!prev) {
-    // Between an editable field and the beginning of the row.
-    if (next && Blockly.blockRendering.Types.isField(next) &&
-        (/** @type Blockly.blockRendering.Field */ (next)).isEditable) {
-      return this.constants_.MEDIUM_PADDING;
-    }
-    // Inline input at the beginning of the row.
-    if (next && Blockly.blockRendering.Types.isInlineInput(next)) {
-      return this.constants_.MEDIUM_LARGE_PADDING;
-    }
-    if (next && Blockly.blockRendering.Types.isStatementInput(next)) {
-      return this.constants_.STATEMENT_INPUT_PADDING_LEFT;
-    }
-    // Anything else at the beginning of the row.
-    return this.constants_.LARGE_PADDING;
-  }
-
-  // Spacing between a non-input and the end of the row or a statement input.
-  if (!Blockly.blockRendering.Types.isInput(prev) && (!next ||
-      Blockly.blockRendering.Types.isStatementInput(next))) {
-    // Between an editable field and the end of the row.
-    if (Blockly.blockRendering.Types.isField(prev) &&
-        (/** @type Blockly.blockRendering.Field */ (prev)).isEditable) {
-      return this.constants_.MEDIUM_PADDING;
-    }
-    // Padding at the end of an icon-only row to make the block shape clearer.
-    if (Blockly.blockRendering.Types.isIcon(prev)) {
-      return (this.constants_.LARGE_PADDING * 2) + 1;
-    }
-    if (Blockly.blockRendering.Types.isHat(prev)) {
-      return this.constants_.NO_PADDING;
-    }
-    // Establish a minimum width for a block with a previous or next connection.
-    if (Blockly.blockRendering.Types.isPreviousOrNextConnection(prev)) {
-      return this.constants_.LARGE_PADDING;
-    }
-    // Between rounded corner and the end of the row.
-    if (Blockly.blockRendering.Types.isLeftRoundedCorner(prev)) {
-      return this.constants_.MIN_BLOCK_WIDTH;
-    }
-    // Between a jagged edge and the end of the row.
-    if (Blockly.blockRendering.Types.isJaggedEdge(prev)) {
-      return this.constants_.NO_PADDING;
-    }
-    // Between noneditable fields and icons and the end of the row.
-    return this.constants_.LARGE_PADDING;
-  }
-
-  // Between inputs and the end of the row.
-  if (Blockly.blockRendering.Types.isInput(prev) && !next) {
-    if (Blockly.blockRendering.Types.isExternalInput(prev)) {
-      return this.constants_.NO_PADDING;
-    } else if (Blockly.blockRendering.Types.isInlineInput(prev)) {
-      return this.constants_.LARGE_PADDING;
-    } else if (Blockly.blockRendering.Types.isStatementInput(prev)) {
-      return this.constants_.NO_PADDING;
-    }
-  }
-
-  // Spacing between a non-input and an input.
-  if (!Blockly.blockRendering.Types.isInput(prev) &&
-      next && Blockly.blockRendering.Types.isInput(next)) {
-    // Between an editable field and an input.
-    if (Blockly.blockRendering.Types.isField(prev) &&
-        (/** @type Blockly.blockRendering.Field */ (prev)).isEditable) {
-      if (Blockly.blockRendering.Types.isInlineInput(next)) {
-        return this.constants_.SMALL_PADDING;
-      } else if (Blockly.blockRendering.Types.isExternalInput(next)) {
-        return this.constants_.SMALL_PADDING;
-      }
-    } else {
-      if (Blockly.blockRendering.Types.isInlineInput(next)) {
-        return this.constants_.MEDIUM_LARGE_PADDING;
-      } else if (Blockly.blockRendering.Types.isExternalInput(next)) {
-        return this.constants_.MEDIUM_LARGE_PADDING;
-      } else if (Blockly.blockRendering.Types.isStatementInput(next)) {
-        return this.constants_.LARGE_PADDING;
-      }
-    }
-    return this.constants_.LARGE_PADDING - 1;
-  }
-
-  // Spacing between an icon and an icon or field.
-  if (Blockly.blockRendering.Types.isIcon(prev) &&
-      next && !Blockly.blockRendering.Types.isInput(next)) {
-    return this.constants_.LARGE_PADDING;
-  }
-
-  // Spacing between an inline input and a field.
-  if (Blockly.blockRendering.Types.isInlineInput(prev) &&
-      next && Blockly.blockRendering.Types.isField(next)) {
-    // Editable field after inline input.
-    if ((/** @type Blockly.blockRendering.Field */ (next)).isEditable) {
-      return this.constants_.MEDIUM_PADDING;
-    } else {
-      // Noneditable field after inline input.
-      return this.constants_.LARGE_PADDING;
-    }
-  }
-
-  if (Blockly.blockRendering.Types.isLeftSquareCorner(prev) && next) {
-    // Spacing between a hat and a corner
-    if (Blockly.blockRendering.Types.isHat(next)) {
-      return this.constants_.NO_PADDING;
-    }
-    // Spacing between a square corner and a previous or next connection
-    if (Blockly.blockRendering.Types.isPreviousConnection(next)) {
-      return next.notchOffset;
-    } else if (Blockly.blockRendering.Types.isNextConnection(next)) {
-      // Next connections are shifted slightly to the left (in both LTR and RTL)
-      // to make the dark path under the previous connection show through.
-      var offset = (this.RTL ? 1 : -1) *
-          this.constants_.DARK_PATH_OFFSET / 2;
-      return next.notchOffset + offset;
-    }
-  }
-
-  // Spacing between a rounded corner and a previous or next connection.
-  if (Blockly.blockRendering.Types.isLeftRoundedCorner(prev) && next) {
-    if (Blockly.blockRendering.Types.isPreviousConnection(next)) {
-      return next.notchOffset - this.constants_.CORNER_RADIUS;
-    } else if (Blockly.blockRendering.Types.isNextConnection(next)) {
-      // Next connections are shifted slightly to the left (in both LTR and RTL)
-      // to make the dark path under the previous connection show through.
-      var offset = (this.RTL ? 1 : -1) *
-          this.constants_.DARK_PATH_OFFSET / 2;
-      return next.notchOffset - this.constants_.CORNER_RADIUS + offset;
-    }
-  }
-
-  // Spacing between two fields of the same editability.
-  if (Blockly.blockRendering.Types.isField(prev) &&
-      next && Blockly.blockRendering.Types.isField(next) &&
-      ((/** @type Blockly.blockRendering.Field */ (prev)).isEditable ==
-          (/** @type Blockly.blockRendering.Field */ (next)).isEditable)) {
-    return this.constants_.LARGE_PADDING;
-  }
-
-  // Spacing between anything and a jagged edge.
-  if (next && Blockly.blockRendering.Types.isJaggedEdge(next)) {
-    return this.constants_.LARGE_PADDING;
-  }
-
-  return this.constants_.MEDIUM_PADDING;
-};
-
-/**
- * @override
- */
-Blockly.geras.RenderInfo.prototype.getSpacerRowHeight_ = function(prev, next) {
-  // If we have an empty block add a spacer to increase the height.
-  if (Blockly.blockRendering.Types.isTopRow(prev) &&
-      Blockly.blockRendering.Types.isBottomRow(next)) {
-    return this.constants_.EMPTY_BLOCK_SPACER_HEIGHT;
-  }
-  // Top and bottom rows act as a spacer so we don't need any extra padding.
-  if (Blockly.blockRendering.Types.isTopRow(prev) ||
-      Blockly.blockRendering.Types.isBottomRow(next)) {
-    return this.constants_.NO_PADDING;
-  }
-  if (prev.hasExternalInput && next.hasExternalInput) {
-    return this.constants_.LARGE_PADDING;
-  }
-  if (!prev.hasStatement && next.hasStatement) {
-    return this.constants_.BETWEEN_STATEMENT_PADDING_Y;
-  }
-  if (prev.hasStatement && next.hasStatement) {
-    return this.constants_.LARGE_PADDING;
-  }
-  if (!prev.hasStatement && next.hasDummyInput) {
-    return this.constants_.LARGE_PADDING;
-  }
-  if (prev.hasDummyInput) {
-    return this.constants_.LARGE_PADDING;
-  }
-  return this.constants_.MEDIUM_PADDING;
-};
-
-/**
- * @override
- */
-Blockly.geras.RenderInfo.prototype.getElemCenterline_ = function(row, elem) {
-  if (Blockly.blockRendering.Types.isSpacer(elem)) {
-    return row.yPos + elem.height / 2;
-  }
-  if (Blockly.blockRendering.Types.isBottomRow(row)) {
-    var baseline = row.yPos + row.height - row.descenderHeight;
-    if (Blockly.blockRendering.Types.isNextConnection(elem)) {
-      return baseline + elem.height / 2;
-    }
-    return baseline - elem.height / 2;
-  }
-  if (Blockly.blockRendering.Types.isTopRow(row)) {
-    if (Blockly.blockRendering.Types.isHat(elem)) {
-      return row.capline - elem.height / 2;
-    }
-    return row.capline + elem.height / 2;
-  }
-
-  var result = row.yPos;
-  if (Blockly.blockRendering.Types.isField(elem) ||
-      Blockly.blockRendering.Types.isIcon(elem)) {
-    result += (elem.height / 2);
-    if ((row.hasInlineInput || row.hasStatement) &&
-        elem.height + this.constants_.TALL_INPUT_FIELD_OFFSET_Y <= row.height) {
-      result += this.constants_.TALL_INPUT_FIELD_OFFSET_Y;
-    }
-  } else if (Blockly.blockRendering.Types.isInlineInput(elem)) {
-    result += elem.height / 2;
-  } else {
-    result += (row.height / 2);
-  }
-  return result;
-};
-
-/**
- * @override
- */
-Blockly.geras.RenderInfo.prototype.alignRowElements_ = function() {
-  if (!this.isInline) {
-    Blockly.geras.RenderInfo.superClass_.alignRowElements_.call(this);
-    return;
-  }
-
-  // Walk backgrounds through rows on the block, keeping track of the right
-  // input edge.
-  var nextRightEdge = 0;
-  var prevInput = null;
-  for (var i = this.rows.length - 1, row; (row = this.rows[i]); i--) {
-    row.nextRightEdge = nextRightEdge;
-    if (Blockly.blockRendering.Types.isInputRow(row)) {
-      if (row.hasStatement) {
-        this.alignStatementRow_(
-            /** @type {!Blockly.blockRendering.InputRow} */ (row));
-      }
-      if (prevInput && prevInput.hasStatement && row.width < prevInput.width) {
-        row.nextRightEdge = prevInput.width;
-      } else {
-        nextRightEdge = row.width;
-      }
-      prevInput = row;
-    }
-  }
-  // Walk down each row from the top, comparing the prev and next right input
-  // edges and setting the desired width to the max of the two.
-  var prevRightEdge = 0;
-  for (var i = 0, row; (row = this.rows[i]); i++) {
-    if (row.hasStatement) {
-      prevRightEdge = this.getDesiredRowWidth_(row);
-    } else if (Blockly.blockRendering.Types.isSpacer(row)) {
-      // Set the spacer row to the max of the prev or next input width.
-      row.width = Math.max(prevRightEdge, row.nextRightEdge);
-    } else {
-      var currentWidth = row.width;
-      var desiredWidth = Math.max(prevRightEdge, row.nextRightEdge);
-      var missingSpace = desiredWidth - currentWidth;
-      if (missingSpace > 0) {
-        this.addAlignmentPadding_(row, missingSpace);
-      }
-      prevRightEdge = row.width;
-    }
-  }
-};
-
-/**
- * @override
- */
-Blockly.geras.RenderInfo.prototype.getDesiredRowWidth_ = function(
-    row) {
-  // Limit the width of a statement row when a block is inline.
-  if (this.isInline && row.hasStatement) {
-    return this.statementEdge + this.constants_.MAX_BOTTOM_WIDTH + this.startX;
-  }
-  return Blockly.geras.RenderInfo.superClass_.getDesiredRowWidth_.call(this,
-      row);
-};
-
-/**
- * @override
- */
-Blockly.geras.RenderInfo.prototype.finalize_ = function() {
-  // Performance note: this could be combined with the draw pass, if the time
-  // that this takes is excessive.  But it shouldn't be, because it only
-  // accesses and sets properties that already exist on the objects.
-  var widestRowWithConnectedBlocks = 0;
-  var yCursor = 0;
-  for (var i = 0, row; (row = this.rows[i]); i++) {
-    row.yPos = yCursor;
-    row.xPos = this.startX;
-    yCursor += row.height;
-
-    widestRowWithConnectedBlocks =
-        Math.max(widestRowWithConnectedBlocks, row.widthWithConnectedBlocks);
-    // Add padding to the bottom row if block height is less than minimum
-    var heightWithoutHat = yCursor - this.topRow.ascenderHeight;
-    if (row == this.bottomRow &&
-        heightWithoutHat < this.constants_.MIN_BLOCK_HEIGHT) {
-      // But the hat height shouldn't be part of this.
-      var diff = this.constants_.MIN_BLOCK_HEIGHT - heightWithoutHat;
-      this.bottomRow.height += diff;
-      yCursor += diff;
-    }
-    this.recordElemPositions_(row);
-  }
-  if (this.outputConnection && this.block_.nextConnection &&
-      this.block_.nextConnection.isConnected()) {
-    // Include width of connected block in value to stack width measurement.
-    widestRowWithConnectedBlocks =
-        Math.max(widestRowWithConnectedBlocks,
-            this.block_.nextConnection.targetBlock().getHeightWidth().width -
-            this.constants_.DARK_PATH_OFFSET);
-  }
-
-  this.bottomRow.baseline = yCursor - this.bottomRow.descenderHeight;
-
-  // The dark (lowlight) adds to the size of the block in both x and y.
-  this.widthWithChildren = widestRowWithConnectedBlocks +
-      this.startX + this.constants_.DARK_PATH_OFFSET;
-  this.width += this.constants_.DARK_PATH_OFFSET;
-  this.height = yCursor + this.constants_.DARK_PATH_OFFSET;
-  this.startY = this.topRow.capline;
-};
diff --git a/core/renderers/geras/info.ts b/core/renderers/geras/info.ts
new file mode 100644
index 00000000000..6565f226b53
--- /dev/null
+++ b/core/renderers/geras/info.ts
@@ -0,0 +1,478 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.geras.RenderInfo
+
+import type {BlockSvg} from '../../block_svg.js';
+import type {Input} from '../../inputs/input.js';
+import {RenderInfo as BaseRenderInfo} from '../common/info.js';
+import type {Measurable} from '../measurables/base.js';
+import type {BottomRow} from '../measurables/bottom_row.js';
+import {DummyInput} from '../../inputs/dummy_input.js';
+import {EndRowInput} from '../../inputs/end_row_input.js';
+import {ExternalValueInput} from '../measurables/external_value_input.js';
+import type {Field} from '../measurables/field.js';
+import {InRowSpacer} from '../measurables/in_row_spacer.js';
+import type {InputRow} from '../measurables/input_row.js';
+import type {Row} from '../measurables/row.js';
+import {StatementInput} from '../../inputs/statement_input.js';
+import type {TopRow} from '../measurables/top_row.js';
+import {Types} from '../measurables/types.js';
+import {ValueInput} from '../../inputs/value_input.js';
+
+import type {ConstantProvider} from './constants.js';
+import {InlineInput} from './measurables/inline_input.js';
+import {StatementInput as StatementInputMeasurable} from './measurables/statement_input.js';
+import type {Renderer} from './renderer.js';
+
+/**
+ * An object containing all sizing information needed to draw this block,
+ * customized for the geras renderer.
+ *
+ * This measure pass does not propagate changes to the block (although fields
+ * may choose to rerender when getSize() is called).  However, calling it
+ * repeatedly may be expensive.
+ */
+export class RenderInfo extends BaseRenderInfo {
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  override constants_!: ConstantProvider;
+
+  protected override readonly renderer_: Renderer;
+
+  /**
+   * @param renderer The renderer in use.
+   * @param block The block to measure.
+   */
+  constructor(renderer: Renderer, block: BlockSvg) {
+    super(renderer, block);
+    this.renderer_ = renderer;
+  }
+
+  /**
+   * Get the block renderer in use.
+   *
+   * @returns The block renderer in use.
+   */
+  override getRenderer(): Renderer {
+    return this.renderer_;
+  }
+
+  override populateBottomRow_() {
+    super.populateBottomRow_();
+
+    const followsStatement =
+      this.block_.inputList.length &&
+      this.block_.inputList[this.block_.inputList.length - 1] instanceof
+        StatementInput;
+    // The minimum height of the bottom row is smaller in Geras than in other
+    // renderers, because the dark path adds a pixel.
+    // If one of the row's elements has a greater height this will be
+    // overwritten in the compute pass.
+    if (!followsStatement) {
+      this.bottomRow.minHeight =
+        this.constants_.MEDIUM_PADDING - this.constants_.DARK_PATH_OFFSET;
+    }
+  }
+
+  override addInput_(input: Input, activeRow: Row) {
+    // Non-dummy inputs have visual representations onscreen.
+    if (this.isInline && input instanceof ValueInput) {
+      activeRow.elements.push(new InlineInput(this.constants_, input));
+      activeRow.hasInlineInput = true;
+    } else if (input instanceof StatementInput) {
+      activeRow.elements.push(
+        new StatementInputMeasurable(this.constants_, input),
+      );
+      activeRow.hasStatement = true;
+    } else if (input instanceof ValueInput) {
+      activeRow.elements.push(new ExternalValueInput(this.constants_, input));
+      activeRow.hasExternalInput = true;
+    } else if (input instanceof DummyInput || input instanceof EndRowInput) {
+      // Dummy and end-row inputs have no visual representation, but the
+      // information is still important.
+      activeRow.minHeight = Math.max(
+        activeRow.minHeight,
+        this.constants_.DUMMY_INPUT_MIN_HEIGHT,
+      );
+      activeRow.hasDummyInput = true;
+    }
+    // Ignore row alignment if inline.
+    if (!this.isInline && activeRow.align === null) {
+      activeRow.align = input.align;
+    }
+  }
+
+  override addElemSpacing_() {
+    let hasExternalInputs = false;
+    for (let i = 0, row; (row = this.rows[i]); i++) {
+      if (row.hasExternalInput) {
+        hasExternalInputs = true;
+      }
+    }
+    for (let i = 0, row; (row = this.rows[i]); i++) {
+      const oldElems = row.elements;
+      row.elements = [];
+      // No spacing needed before the corner on the top row or the bottom row.
+      if (row.startsWithElemSpacer()) {
+        // There's a spacer before the first element in the row.
+        row.elements.push(
+          new InRowSpacer(
+            this.constants_,
+            this.getInRowSpacing_(null, oldElems[0]),
+          ),
+        );
+      }
+      if (!oldElems.length) {
+        continue;
+      }
+      for (let e = 0; e < oldElems.length - 1; e++) {
+        row.elements.push(oldElems[e]);
+        const spacing = this.getInRowSpacing_(oldElems[e], oldElems[e + 1]);
+        row.elements.push(new InRowSpacer(this.constants_, spacing));
+      }
+      row.elements.push(oldElems[oldElems.length - 1]);
+      if (row.endsWithElemSpacer()) {
+        let spacing = this.getInRowSpacing_(
+          oldElems[oldElems.length - 1],
+          null,
+        );
+        if (hasExternalInputs && row.hasDummyInput) {
+          spacing += this.constants_.TAB_WIDTH;
+        }
+        // There's a spacer after the last element in the row.
+        row.elements.push(new InRowSpacer(this.constants_, spacing));
+      }
+    }
+  }
+
+  override getInRowSpacing_(prev: Measurable | null, next: Measurable | null) {
+    if (!prev) {
+      // Between an editable field and the beginning of the row.
+      if (next && Types.isField(next) && (next as Field).isEditable) {
+        return this.constants_.MEDIUM_PADDING;
+      }
+      // Inline input at the beginning of the row.
+      if (next && Types.isInlineInput(next)) {
+        return this.constants_.MEDIUM_LARGE_PADDING;
+      }
+      if (next && Types.isStatementInput(next)) {
+        return this.constants_.STATEMENT_INPUT_PADDING_LEFT;
+      }
+      // Anything else at the beginning of the row.
+      return this.constants_.LARGE_PADDING;
+    }
+
+    // Spacing between a non-input and the end of the row or a statement input.
+    if (!Types.isInput(prev) && (!next || Types.isStatementInput(next))) {
+      // Between an editable field and the end of the row.
+      if (Types.isField(prev) && (prev as Field).isEditable) {
+        return this.constants_.MEDIUM_PADDING;
+      }
+      // Padding at the end of an icon-only row to make the block shape clearer.
+      if (Types.isIcon(prev)) {
+        return this.constants_.LARGE_PADDING * 2 + 1;
+      }
+      if (Types.isHat(prev)) {
+        return this.constants_.NO_PADDING;
+      }
+      // Establish a minimum width for a block with a previous or next
+      // connection.
+      if (Types.isPreviousOrNextConnection(prev)) {
+        return this.constants_.LARGE_PADDING;
+      }
+      // Between rounded corner and the end of the row.
+      if (Types.isLeftRoundedCorner(prev)) {
+        return this.constants_.MIN_BLOCK_WIDTH;
+      }
+      // Between a jagged edge and the end of the row.
+      if (Types.isJaggedEdge(prev)) {
+        return this.constants_.NO_PADDING;
+      }
+      // Between noneditable fields and icons and the end of the row.
+      return this.constants_.LARGE_PADDING;
+    }
+
+    // Between inputs and the end of the row.
+    if (Types.isInput(prev) && !next) {
+      if (Types.isExternalInput(prev)) {
+        return this.constants_.NO_PADDING;
+      } else if (Types.isInlineInput(prev)) {
+        return this.constants_.LARGE_PADDING;
+      } else if (Types.isStatementInput(prev)) {
+        return this.constants_.NO_PADDING;
+      }
+    }
+
+    // Spacing between a non-input and an input.
+    if (!Types.isInput(prev) && next && Types.isInput(next)) {
+      // Between an editable field and an input.
+      if (Types.isField(prev) && (prev as Field).isEditable) {
+        if (Types.isInlineInput(next)) {
+          return this.constants_.SMALL_PADDING;
+        } else if (Types.isExternalInput(next)) {
+          return this.constants_.SMALL_PADDING;
+        }
+      } else {
+        if (Types.isInlineInput(next)) {
+          return this.constants_.MEDIUM_LARGE_PADDING;
+        } else if (Types.isExternalInput(next)) {
+          return this.constants_.MEDIUM_LARGE_PADDING;
+        } else if (Types.isStatementInput(next)) {
+          return this.constants_.LARGE_PADDING;
+        }
+      }
+      return this.constants_.LARGE_PADDING - 1;
+    }
+
+    // Spacing between an icon and an icon or field.
+    if (Types.isIcon(prev) && next && !Types.isInput(next)) {
+      return this.constants_.LARGE_PADDING;
+    }
+    // Spacing between an inline input and a field.
+    if (Types.isInlineInput(prev) && next && Types.isField(next)) {
+      // Editable field after inline input.
+      if ((next as Field).isEditable) {
+        return this.constants_.MEDIUM_PADDING;
+      } else {
+        // Noneditable field after inline input.
+        return this.constants_.LARGE_PADDING;
+      }
+    }
+
+    if (Types.isLeftSquareCorner(prev) && next) {
+      // Spacing between a hat and a corner
+      if (Types.isHat(next)) {
+        return this.constants_.NO_PADDING;
+      }
+      // Spacing between a square corner and a previous or next connection
+      if (Types.isPreviousConnection(next)) {
+        return next.notchOffset;
+      } else if (Types.isNextConnection(next)) {
+        // Next connections are shifted slightly to the left (in both LTR and
+        // RTL) to make the dark path under the previous connection show
+        // through.
+        const offset =
+          ((this.RTL ? 1 : -1) * this.constants_.DARK_PATH_OFFSET) / 2;
+        return next.notchOffset + offset;
+      }
+    }
+
+    // Spacing between a rounded corner and a previous or next connection.
+    if (Types.isLeftRoundedCorner(prev) && next) {
+      if (Types.isPreviousConnection(next)) {
+        return next.notchOffset - this.constants_.CORNER_RADIUS;
+      } else if (Types.isNextConnection(next)) {
+        // Next connections are shifted slightly to the left (in both LTR and
+        // RTL) to make the dark path under the previous connection show
+        // through.
+        const offset =
+          ((this.RTL ? 1 : -1) * this.constants_.DARK_PATH_OFFSET) / 2;
+        return next.notchOffset - this.constants_.CORNER_RADIUS + offset;
+      }
+    }
+
+    // Spacing between two fields of the same editability.
+    if (
+      Types.isField(prev) &&
+      next &&
+      Types.isField(next) &&
+      (prev as Field).isEditable === (next as Field).isEditable
+    ) {
+      return this.constants_.LARGE_PADDING;
+    }
+
+    // Spacing between anything and a jagged edge.
+    if (next && Types.isJaggedEdge(next)) {
+      return this.constants_.LARGE_PADDING;
+    }
+
+    return this.constants_.MEDIUM_PADDING;
+  }
+
+  override getSpacerRowHeight_(prev: Row, next: Row) {
+    // If we have an empty block add a spacer to increase the height.
+    if (Types.isTopRow(prev) && Types.isBottomRow(next)) {
+      return this.constants_.EMPTY_BLOCK_SPACER_HEIGHT;
+    }
+    // Top and bottom rows act as a spacer so we don't need any extra padding.
+    if (Types.isTopRow(prev) || Types.isBottomRow(next)) {
+      return this.constants_.NO_PADDING;
+    }
+    if (prev.hasExternalInput && next.hasExternalInput) {
+      return this.constants_.LARGE_PADDING;
+    }
+    if (!prev.hasStatement && next.hasStatement) {
+      return this.constants_.BETWEEN_STATEMENT_PADDING_Y;
+    }
+    if (prev.hasStatement && next.hasStatement) {
+      return this.constants_.LARGE_PADDING;
+    }
+    if (!prev.hasStatement && next.hasDummyInput) {
+      return this.constants_.LARGE_PADDING;
+    }
+    if (prev.hasDummyInput) {
+      return this.constants_.LARGE_PADDING;
+    }
+    return this.constants_.MEDIUM_PADDING;
+  }
+
+  override getElemCenterline_(row: Row, elem: Measurable) {
+    if (Types.isSpacer(elem)) {
+      return row.yPos + elem.height / 2;
+    }
+    if (Types.isBottomRow(row)) {
+      const bottomRow = row as BottomRow;
+      const baseline =
+        bottomRow.yPos + bottomRow.height - bottomRow.descenderHeight;
+      if (Types.isNextConnection(elem)) {
+        return baseline + elem.height / 2;
+      }
+      return baseline - elem.height / 2;
+    }
+    if (Types.isTopRow(row)) {
+      const topRow = row as TopRow;
+      if (Types.isHat(elem)) {
+        return topRow.capline - elem.height / 2;
+      }
+      return topRow.capline + elem.height / 2;
+    }
+
+    let result = row.yPos;
+    if (Types.isField(elem) || Types.isIcon(elem)) {
+      result += elem.height / 2;
+      if (
+        (row.hasInlineInput || row.hasStatement) &&
+        elem.height + this.constants_.TALL_INPUT_FIELD_OFFSET_Y <= row.height
+      ) {
+        result += this.constants_.TALL_INPUT_FIELD_OFFSET_Y;
+      }
+    } else if (Types.isInlineInput(elem)) {
+      result += elem.height / 2;
+    } else {
+      result += row.height / 2;
+    }
+    return result;
+  }
+
+  override alignRowElements_() {
+    if (!this.isInline) {
+      super.alignRowElements_();
+      return;
+    }
+    // Walk backgrounds through rows on the block, keeping track of the right
+    // input edge.
+    let nextRightEdge = 0;
+    const rowNextRightEdges = new WeakMap();
+    let prevInput = null;
+    for (let i = this.rows.length - 1, row; (row = this.rows[i]); i--) {
+      rowNextRightEdges.set(row, nextRightEdge);
+      if (Types.isInputRow(row)) {
+        if (row.hasStatement) {
+          this.alignStatementRow_(row as InputRow);
+        }
+        if (
+          prevInput &&
+          prevInput.hasStatement &&
+          row.width < prevInput.width
+        ) {
+          rowNextRightEdges.set(row, prevInput.width);
+        } else if (row.hasStatement) {
+          nextRightEdge = row.width;
+        } else {
+          // To keep right edges of consecutive non-statement rows aligned, use
+          // the maximum width.
+          nextRightEdge = Math.max(nextRightEdge, row.width);
+        }
+        prevInput = row;
+      }
+    }
+    // Walk down each row from the top, comparing the prev and next right input
+    // edges and setting the desired width to the max of the two.
+    let prevRightEdge = 0;
+    for (let i = 0, row; (row = this.rows[i]); i++) {
+      if (row.hasStatement) {
+        prevRightEdge = this.getDesiredRowWidth_(row);
+      } else if (Types.isSpacer(row)) {
+        // Set the spacer row to the max of the prev or next input width.
+        row.width = Math.max(prevRightEdge, rowNextRightEdges.get(row));
+      } else {
+        const currentWidth = row.width;
+        const desiredWidth = Math.max(
+          prevRightEdge,
+          rowNextRightEdges.get(row),
+        );
+        const missingSpace = desiredWidth - currentWidth;
+        if (missingSpace > 0) {
+          this.addAlignmentPadding_(row, missingSpace);
+        }
+        prevRightEdge = row.width;
+      }
+    }
+  }
+
+  override getDesiredRowWidth_(row: Row) {
+    // Limit the width of a statement row when a block is inline.
+    if (this.isInline && row.hasStatement) {
+      return (
+        this.statementEdge + this.constants_.MAX_BOTTOM_WIDTH + this.startX
+      );
+    }
+    return super.getDesiredRowWidth_(row);
+  }
+
+  override finalize_() {
+    // Performance note: this could be combined with the draw pass, if the time
+    // that this takes is excessive.  But it shouldn't be, because it only
+    // accesses and sets properties that already exist on the objects.
+    let widestRowWithConnectedBlocks = 0;
+    let yCursor = 0;
+    for (let i = 0, row; (row = this.rows[i]); i++) {
+      row.yPos = yCursor;
+      row.xPos = this.startX;
+      yCursor += row.height;
+
+      widestRowWithConnectedBlocks = Math.max(
+        widestRowWithConnectedBlocks,
+        row.widthWithConnectedBlocks,
+      );
+      // Add padding to the bottom row if block height is less than minimum
+      const heightWithoutHat = yCursor - this.topRow.ascenderHeight;
+      if (
+        row === this.bottomRow &&
+        heightWithoutHat < this.constants_.MIN_BLOCK_HEIGHT
+      ) {
+        // But the hat height shouldn't be part of this.
+        const diff = this.constants_.MIN_BLOCK_HEIGHT - heightWithoutHat;
+        this.bottomRow.height += diff;
+        yCursor += diff;
+      }
+      this.recordElemPositions_(row);
+    }
+    if (
+      this.outputConnection &&
+      this.block_.nextConnection &&
+      this.block_.nextConnection.isConnected()
+    ) {
+      const target = this.block_.nextConnection.targetBlock();
+      if (target) {
+        // Include width of connected block in value to stack width measurement.
+        widestRowWithConnectedBlocks = Math.max(
+          widestRowWithConnectedBlocks,
+          target.getHeightWidth().width - this.constants_.DARK_PATH_OFFSET,
+        );
+      }
+    }
+
+    this.bottomRow.baseline = yCursor - this.bottomRow.descenderHeight;
+    this.widthWithChildren =
+      widestRowWithConnectedBlocks +
+      this.startX +
+      this.constants_.DARK_PATH_OFFSET;
+    this.width += this.constants_.DARK_PATH_OFFSET;
+    this.height = yCursor + this.constants_.DARK_PATH_OFFSET;
+    this.startY = this.topRow.capline;
+  }
+}
diff --git a/core/renderers/geras/measurables/inline_input.ts b/core/renderers/geras/measurables/inline_input.ts
new file mode 100644
index 00000000000..9ed85ad5253
--- /dev/null
+++ b/core/renderers/geras/measurables/inline_input.ts
@@ -0,0 +1,37 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.geras.InlineInput
+
+/* eslint-disable-next-line no-unused-vars */
+import type {Input} from '../../../inputs/input.js';
+import type {ConstantProvider as BaseConstantProvider} from '../../../renderers/common/constants.js';
+import {InlineInput as BaseInlineInput} from '../../../renderers/measurables/inline_input.js';
+import type {ConstantProvider as GerasConstantProvider} from '../constants.js';
+
+/**
+ * An object containing information about the space an inline input takes up
+ * during rendering.
+ */
+export class InlineInput extends BaseInlineInput {
+  override constants_: GerasConstantProvider;
+
+  /**
+   * @param constants The rendering constants provider.
+   * @param input The inline input to measure and store information for.
+   */
+  constructor(constants: BaseConstantProvider, input: Input) {
+    super(constants, input);
+    this.constants_ = constants as GerasConstantProvider;
+
+    if (this.connectedBlock) {
+      // We allow the dark path to show on the parent block so that the child
+      // block looks embossed.  This takes up an extra pixel in both x and y.
+      this.width += this.constants_.DARK_PATH_OFFSET;
+      this.height += this.constants_.DARK_PATH_OFFSET;
+    }
+  }
+}
diff --git a/core/renderers/geras/measurables/inputs.js b/core/renderers/geras/measurables/inputs.js
deleted file mode 100644
index 14c6017683b..00000000000
--- a/core/renderers/geras/measurables/inputs.js
+++ /dev/null
@@ -1,67 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Objects representing inputs with connections on a rendered
- * block.
- * @author kozbial@google.com (Monica Kozbial)
- */
-'use strict';
-
-goog.provide('Blockly.geras.InlineInput');
-goog.provide('Blockly.geras.StatementInput');
-
-goog.require('Blockly.utils.object');
-
-
-/**
- * An object containing information about the space an inline input takes up
- * during rendering
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {!Blockly.Input} input The inline input to measure and store
- *     information for.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.InlineInput}
- */
-Blockly.geras.InlineInput = function(constants, input) {
-  Blockly.geras.InlineInput.superClass_.constructor.call(
-      this, constants, input);
-
-  if (this.connectedBlock) {
-    // We allow the dark path to show on the parent block so that the child
-    // block looks embossed.  This takes up an extra pixel in both x and y.
-    this.width += this.constants_.DARK_PATH_OFFSET;
-    this.height += this.constants_.DARK_PATH_OFFSET;
-  }
-};
-Blockly.utils.object.inherits(Blockly.geras.InlineInput,
-    Blockly.blockRendering.InlineInput);
-
-/**
- * An object containing information about the space a statement input takes up
- * during rendering
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {!Blockly.Input} input The statement input to measure and store
- *     information for.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.StatementInput}
- */
-Blockly.geras.StatementInput = function(constants, input) {
-  Blockly.geras.StatementInput.superClass_.constructor.call(
-      this, constants, input);
-
-  if (this.connectedBlock) {
-    // We allow the dark path to show on the parent block so that the child
-    // block looks embossed.  This takes up an extra pixel in both x and y.
-    this.height += this.constants_.DARK_PATH_OFFSET;
-  }
-};
-Blockly.utils.object.inherits(Blockly.geras.StatementInput,
-    Blockly.blockRendering.StatementInput);
diff --git a/core/renderers/geras/measurables/statement_input.ts b/core/renderers/geras/measurables/statement_input.ts
new file mode 100644
index 00000000000..5ce3f854a45
--- /dev/null
+++ b/core/renderers/geras/measurables/statement_input.ts
@@ -0,0 +1,36 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.geras.StatementInput
+
+/* eslint-disable-next-line no-unused-vars */
+import type {Input} from '../../../inputs/input.js';
+import type {ConstantProvider as BaseConstantProvider} from '../../../renderers/common/constants.js';
+import {StatementInput as BaseStatementInput} from '../../../renderers/measurables/statement_input.js';
+import type {ConstantProvider as GerasConstantProvider} from '../constants.js';
+
+/**
+ * An object containing information about the space a statement input takes up
+ * during rendering.
+ */
+export class StatementInput extends BaseStatementInput {
+  override constants_: GerasConstantProvider;
+
+  /**
+   * @param constants The rendering constants provider.
+   * @param input The statement input to measure and store information for.
+   */
+  constructor(constants: BaseConstantProvider, input: Input) {
+    super(constants, input);
+    this.constants_ = constants as GerasConstantProvider;
+
+    if (this.connectedBlock) {
+      // We allow the dark path to show on the parent block so that the child
+      // block looks embossed.  This takes up an extra pixel in both x and y.
+      this.height += this.constants_.DARK_PATH_OFFSET;
+    }
+  }
+}
diff --git a/core/renderers/geras/path_object.js b/core/renderers/geras/path_object.js
deleted file mode 100644
index fd39c9ffdce..00000000000
--- a/core/renderers/geras/path_object.js
+++ /dev/null
@@ -1,177 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview An object that owns a block's rendering SVG elements.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-
-'use strict';
-
-goog.provide('Blockly.geras.PathObject');
-
-goog.require('Blockly.blockRendering.PathObject');
-goog.require('Blockly.geras.ConstantProvider');
-goog.require('Blockly.Theme');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * An object that handles creating and setting each of the SVG elements
- * used by the renderer.
- * @param {!SVGElement} root The root SVG element.
- * @param {!Blockly.Theme.BlockStyle} style The style object to use for
- *     colouring.
- * @param {!Blockly.geras.ConstantProvider} constants The renderer's constants.
- * @constructor
- * @extends {Blockly.blockRendering.PathObject}
- * @package
- */
-Blockly.geras.PathObject = function(root, style, constants) {
-  /**
-   * The renderer's constant provider.
-   * @type {!Blockly.geras.ConstantProvider}
-   */
-  this.constants = constants;
-
-  this.svgRoot = root;
-
-  // The order of creation for these next three matters, because that
-  // effectively sets their z-indices.
-
-  /**
-   * The dark path of the block.
-   * @type {SVGElement}
-   * @package
-   */
-  this.svgPathDark = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH,
-      {'class': 'blocklyPathDark', 'transform': 'translate(1,1)'},
-      this.svgRoot);
-
-  /**
-   * The primary path of the block.
-   * @type {!SVGElement}
-   * @package
-   */
-  this.svgPath = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH,
-      {'class': 'blocklyPath'}, this.svgRoot);
-
-  /**
-   * The light path of the block.
-   * @type {SVGElement}
-   * @package
-   */
-  this.svgPathLight = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH,
-      {'class': 'blocklyPathLight'}, this.svgRoot);
-
-  /**
-   * The colour of the dark path on the block in '#RRGGBB' format.
-   * @type {string}
-   * @package
-   */
-  this.colourDark = '#000000';
-
-  /**
-   * The style object to use when colouring block paths.
-   * @type {!Blockly.Theme.BlockStyle}
-   * @package
-   */
-  this.style = style;
-};
-Blockly.utils.object.inherits(Blockly.geras.PathObject,
-    Blockly.blockRendering.PathObject);
-
-/**
- * @override
- */
-Blockly.geras.PathObject.prototype.setPath = function(mainPath) {
-  this.svgPath.setAttribute('d', mainPath);
-  this.svgPathDark.setAttribute('d', mainPath);
-};
-
-/**
- * Set the highlight path generated by the renderer onto the SVG element.
- * @param {string} highlightPath The highlight path.
- * @package
- */
-Blockly.geras.PathObject.prototype.setHighlightPath = function(highlightPath) {
-  this.svgPathLight.setAttribute('d', highlightPath);
-};
-
-/**
- * @override
- */
-Blockly.geras.PathObject.prototype.flipRTL = function() {
-  // Mirror the block's path.
-  this.svgPath.setAttribute('transform', 'scale(-1 1)');
-  this.svgPathLight.setAttribute('transform', 'scale(-1 1)');
-  this.svgPathDark.setAttribute('transform', 'translate(1,1) scale(-1 1)');
-};
-
-/**
- * @override
- */
-Blockly.geras.PathObject.prototype.applyColour = function(block) {
-  this.svgPathLight.style.display = '';
-  this.svgPathDark.style.display = '';
-  this.svgPathLight.setAttribute('stroke', this.style.colourTertiary);
-  this.svgPathDark.setAttribute('fill', this.colourDark);
-
-  Blockly.geras.PathObject.superClass_.applyColour.call(this, block);
-
-  this.svgPath.setAttribute('stroke', 'none');
-};
-
-/**
- * @override
- */
-Blockly.geras.PathObject.prototype.setStyle = function(blockStyle) {
-  this.style = blockStyle;
-  this.colourDark =
-      Blockly.utils.colour.blend('#000', this.style.colourPrimary, 0.2) ||
-      this.colourDark;
-};
-
-/**
- * @override
- */
-Blockly.geras.PathObject.prototype.updateHighlighted = function(highlighted) {
-  if (highlighted) {
-    this.svgPath.setAttribute('filter',
-        'url(#' + this.constants.embossFilterId + ')');
-    this.svgPathLight.style.display = 'none';
-  } else {
-    this.svgPath.setAttribute('filter', 'none');
-    this.svgPathLight.style.display = 'inline';
-  }
-};
-
-/**
- * @override
- */
-Blockly.geras.PathObject.prototype.updateShadow_ = function(shadow) {
-  if (shadow) {
-    this.svgPathLight.style.display = 'none';
-    this.svgPathDark.setAttribute('fill', this.style.colourSecondary);
-    this.svgPath.setAttribute('stroke', 'none');
-    this.svgPath.setAttribute('fill', this.style.colourSecondary);
-  }
-};
-
-/**
- * @override
- */
-Blockly.geras.PathObject.prototype.updateDisabled_ = function(disabled) {
-  Blockly.geras.PathObject.superClass_.updateDisabled_.call(this, disabled);
-  if (disabled) {
-    this.svgPath.setAttribute('stroke', 'none');
-  }
-};
diff --git a/core/renderers/geras/path_object.ts b/core/renderers/geras/path_object.ts
new file mode 100644
index 00000000000..6b058e5a752
--- /dev/null
+++ b/core/renderers/geras/path_object.ts
@@ -0,0 +1,139 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.geras.PathObject
+
+import type {BlockSvg} from '../../block_svg.js';
+import type {BlockStyle} from '../../theme.js';
+import * as colour from '../../utils/colour.js';
+import * as dom from '../../utils/dom.js';
+import {Svg} from '../../utils/svg.js';
+import {PathObject as BasePathObject} from '../common/path_object.js';
+
+import type {ConstantProvider} from './constants.js';
+
+/**
+ * An object that handles creating and setting each of the SVG elements
+ * used by the renderer.
+ */
+export class PathObject extends BasePathObject {
+  svgPathDark: SVGElement;
+  svgPathLight: SVGElement;
+
+  /**
+   * The colour of the dark path on the block in '#RRGGBB' format.
+   */
+  colourDark = '#000000';
+
+  /**
+   * @param root The root SVG element.
+   * @param style The style object to use for colouring.
+   * @param constants The renderer's constants.
+   */
+  constructor(
+    root: SVGElement,
+    style: BlockStyle,
+    public override constants: ConstantProvider,
+  ) {
+    super(root, style, constants);
+
+    /** The dark path of the block. */
+    this.svgPathDark = dom.createSvgElement(Svg.PATH, {
+      'class': 'blocklyPathDark',
+      'transform': 'translate(1,1)',
+    });
+    // SVG draw order is based on the order of elements (top most = back most)
+    // So we need to insert the dark path before the base path to make sure it
+    // gets drawn first.
+    this.svgRoot.insertBefore(this.svgPathDark, this.svgPath);
+
+    /** The light path of the block. */
+    this.svgPathLight = dom.createSvgElement(
+      Svg.PATH,
+      {'class': 'blocklyPathLight'},
+      this.svgRoot,
+    );
+  }
+
+  override setPath(mainPath: string) {
+    this.svgPath.setAttribute('d', mainPath);
+    this.svgPathDark.setAttribute('d', mainPath);
+  }
+
+  /**
+   * Set the highlight path generated by the renderer onto the SVG element.
+   *
+   * @param highlightPath The highlight path.
+   */
+  setHighlightPath(highlightPath: string) {
+    this.svgPathLight.setAttribute('d', highlightPath);
+  }
+
+  override flipRTL() {
+    // Mirror the block's path.
+    this.svgPath.setAttribute('transform', 'scale(-1 1)');
+    this.svgPathLight.setAttribute('transform', 'scale(-1 1)');
+    this.svgPathDark.setAttribute('transform', 'translate(1,1) scale(-1 1)');
+  }
+
+  override applyColour(block: BlockSvg) {
+    this.svgPathLight.style.display = '';
+    this.svgPathDark.style.display = '';
+    if (!this.style.colourTertiary) {
+      throw new Error(
+        'The renderer did not properly initialize the tertiary colour of ' +
+          'the block style',
+      );
+    }
+    this.svgPathLight.setAttribute('stroke', this.style.colourTertiary);
+    this.svgPathDark.setAttribute('fill', this.colourDark);
+
+    super.applyColour(block);
+
+    this.svgPath.setAttribute('stroke', 'none');
+  }
+
+  override setStyle(blockStyle: BlockStyle) {
+    this.style = blockStyle;
+    this.colourDark =
+      colour.blend('#000', this.style.colourPrimary, 0.2) || this.colourDark;
+  }
+
+  override updateHighlighted(highlighted: boolean) {
+    if (highlighted) {
+      this.svgPath.setAttribute(
+        'filter',
+        'url(#' + this.constants.embossFilterId + ')',
+      );
+      this.svgPathLight.style.display = 'none';
+    } else {
+      this.svgPath.setAttribute('filter', 'none');
+      this.svgPathLight.style.display = 'inline';
+    }
+  }
+
+  override updateShadow_(shadow: boolean) {
+    if (shadow) {
+      this.svgPathLight.style.display = 'none';
+      if (!this.style.colourSecondary) {
+        throw new Error(
+          'The renderer did not properly initialize the secondary colour ' +
+            'of the block style block style',
+        );
+      }
+      this.svgPathDark.setAttribute('fill', this.style.colourSecondary);
+      this.svgPath.setAttribute('stroke', 'none');
+      this.svgPath.setAttribute('fill', this.style.colourSecondary);
+    }
+  }
+
+  override updateDisabled_(disabled: boolean) {
+    super.updateDisabled_(disabled);
+    if (disabled) {
+      this.svgPath.setAttribute('stroke', 'none');
+    }
+  }
+}
diff --git a/core/renderers/geras/renderer.js b/core/renderers/geras/renderer.js
deleted file mode 100644
index 34a62a73a64..00000000000
--- a/core/renderers/geras/renderer.js
+++ /dev/null
@@ -1,138 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Geras renderer.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.geras.Renderer');
-
-goog.require('Blockly.blockRendering');
-goog.require('Blockly.blockRendering.Renderer');
-goog.require('Blockly.geras.ConstantProvider');
-goog.require('Blockly.geras.Drawer');
-goog.require('Blockly.geras.HighlightConstantProvider');
-goog.require('Blockly.geras.PathObject');
-goog.require('Blockly.geras.RenderInfo');
-goog.require('Blockly.utils.object');
-
-
-/**
- * The geras renderer.
- * @param {string} name The renderer name.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Renderer}
- */
-Blockly.geras.Renderer = function(name) {
-  Blockly.geras.Renderer.superClass_.constructor.call(this, name);
-
-  /**
-   * The renderer's highlight constant provider.
-   * @type {Blockly.geras.HighlightConstantProvider}
-   * @private
-   */
-  this.highlightConstants_ = null;
-};
-Blockly.utils.object.inherits(Blockly.geras.Renderer,
-    Blockly.blockRendering.Renderer);
-
-/**
- * Initialize the renderer.  Geras has a highlight provider in addition to
- * the normal constant provider.
- * @package
- * @override
- */
-Blockly.geras.Renderer.prototype.init = function(theme,
-    opt_rendererOverrides) {
-  Blockly.geras.Renderer.superClass_.init.call(this, theme,
-      opt_rendererOverrides);
-  this.highlightConstants_ = this.makeHighlightConstants_();
-  this.highlightConstants_.init();
-};
-
-/**
- * @override
- */
-Blockly.geras.Renderer.prototype.refreshDom = function(svg, theme) {
-  Blockly.geras.Renderer.superClass_.refreshDom.call(this, svg, theme);
-  this.getHighlightConstants().init();
-};
-
-/**
- * @override
- */
-Blockly.geras.Renderer.prototype.makeConstants_ = function() {
-  return new Blockly.geras.ConstantProvider();
-};
-
-/**
- * Create a new instance of the renderer's render info object.
- * @param {!Blockly.BlockSvg} block The block to measure.
- * @return {!Blockly.geras.RenderInfo} The render info object.
- * @protected
- * @override
- */
-Blockly.geras.Renderer.prototype.makeRenderInfo_ = function(block) {
-  return new Blockly.geras.RenderInfo(this, block);
-};
-
-/**
- * Create a new instance of the renderer's drawer.
- * @param {!Blockly.BlockSvg} block The block to render.
- * @param {!Blockly.blockRendering.RenderInfo} info An object containing all
- *   information needed to render this block.
- * @return {!Blockly.geras.Drawer} The drawer.
- * @protected
- * @override
- */
-Blockly.geras.Renderer.prototype.makeDrawer_ = function(block, info) {
-  return new Blockly.geras.Drawer(block,
-      /** @type {!Blockly.geras.RenderInfo} */ (info));
-};
-
-/**
- * Create a new instance of a renderer path object.
- * @param {!SVGElement} root The root SVG element.
- * @param {!Blockly.Theme.BlockStyle} style The style object to use for
- *     colouring.
- * @return {!Blockly.geras.PathObject} The renderer path object.
- * @package
- * @override
- */
-Blockly.geras.Renderer.prototype.makePathObject = function(root, style) {
-  return new Blockly.geras.PathObject(root, style,
-      /** @type {!Blockly.geras.ConstantProvider} */ (this.getConstants()));
-};
-
-/**
- * Create a new instance of the renderer's highlight constant provider.
- * @return {!Blockly.geras.HighlightConstantProvider} The highlight constant
- *     provider.
- * @protected
- */
-Blockly.geras.Renderer.prototype.makeHighlightConstants_ = function() {
-  return new Blockly.geras.HighlightConstantProvider(
-      /** @type {!Blockly.blockRendering.ConstantProvider} */
-      (this.getConstants()));
-};
-
-/**
- * Get the renderer's highlight constant provider.  We assume that when this is
- * called, the renderer has already been initialized.
- * @return {!Blockly.geras.HighlightConstantProvider} The highlight constant
- *     provider.
- * @package
- */
-Blockly.geras.Renderer.prototype.getHighlightConstants = function() {
-  return (
-    /** @type {!Blockly.geras.HighlightConstantProvider} */
-    (this.highlightConstants_));
-};
-
-Blockly.blockRendering.register('geras', Blockly.geras.Renderer);
diff --git a/core/renderers/geras/renderer.ts b/core/renderers/geras/renderer.ts
new file mode 100644
index 00000000000..06062e9bc30
--- /dev/null
+++ b/core/renderers/geras/renderer.ts
@@ -0,0 +1,124 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.geras.Renderer
+
+import type {BlockSvg} from '../../block_svg.js';
+import type {BlockStyle, Theme} from '../../theme.js';
+import * as blockRendering from '../common/block_rendering.js';
+import type {RenderInfo as BaseRenderInfo} from '../common/info.js';
+import {Renderer as BaseRenderer} from '../common/renderer.js';
+
+import {ConstantProvider} from './constants.js';
+import {Drawer} from './drawer.js';
+import {HighlightConstantProvider} from './highlight_constants.js';
+import {RenderInfo} from './info.js';
+import {PathObject} from './path_object.js';
+
+/**
+ * The geras renderer. This renderer was designed to be backwards compatible
+ * with pre-2019 Blockly. Newer projects that are not constrained by backwards
+ * compatibility should use thrasos, which is a more modern take on this
+ * renderer.
+ *
+ * Geras is the ancient Greek spirit of old age.
+ */
+export class Renderer extends BaseRenderer {
+  /** The renderer's highlight constant provider. */
+  private highlightConstants: HighlightConstantProvider | null = null;
+
+  /**
+   * @param name The renderer name.
+   */
+  constructor(name: string) {
+    super(name);
+  }
+
+  /**
+   * Initialize the renderer.  Geras has a highlight provider in addition to
+   * the normal constant provider.
+   */
+  override init(
+    theme: Theme,
+    opt_rendererOverrides?: {[rendererConstant: string]: any},
+  ) {
+    super.init(theme, opt_rendererOverrides);
+    this.highlightConstants = this.makeHighlightConstants_();
+    this.highlightConstants.init();
+  }
+
+  override refreshDom(svg: SVGElement, theme: Theme) {
+    super.refreshDom(svg, theme);
+    this.getHighlightConstants().init();
+  }
+
+  override makeConstants_() {
+    return new ConstantProvider();
+  }
+
+  /**
+   * Create a new instance of the renderer's render info object.
+   *
+   * @param block The block to measure.
+   * @returns The render info object.
+   */
+  protected override makeRenderInfo_(block: BlockSvg): RenderInfo {
+    return new RenderInfo(this, block);
+  }
+
+  /**
+   * Create a new instance of the renderer's drawer.
+   *
+   * @param block The block to render.
+   * @param info An object containing all information needed to render this
+   *     block.
+   * @returns The drawer.
+   */
+  protected override makeDrawer_(
+    block: BlockSvg,
+    info: BaseRenderInfo,
+  ): Drawer {
+    return new Drawer(block, info as RenderInfo);
+  }
+
+  /**
+   * Create a new instance of a renderer path object.
+   *
+   * @param root The root SVG element.
+   * @param style The style object to use for colouring.
+   * @returns The renderer path object.
+   */
+  override makePathObject(root: SVGElement, style: BlockStyle): PathObject {
+    return new PathObject(root, style, this.getConstants() as ConstantProvider);
+  }
+
+  /**
+   * Create a new instance of the renderer's highlight constant provider.
+   *
+   * @returns The highlight constant provider.
+   */
+  protected makeHighlightConstants_(): HighlightConstantProvider {
+    return new HighlightConstantProvider(this.getConstants());
+  }
+
+  /**
+   * Get the renderer's highlight constant provider.  We assume that when this
+   * is called, the renderer has already been initialized.
+   *
+   * @returns The highlight constant provider.
+   */
+  getHighlightConstants(): HighlightConstantProvider {
+    if (!this.highlightConstants) {
+      throw new Error(
+        'Cannot access the highlight constants because init has not ' +
+          'been called',
+      );
+    }
+    return this.highlightConstants;
+  }
+}
+
+blockRendering.register('geras', Renderer);
diff --git a/core/renderers/measurables/base.js b/core/renderers/measurables/base.js
deleted file mode 100644
index 34373af4dfe..00000000000
--- a/core/renderers/measurables/base.js
+++ /dev/null
@@ -1,44 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Methods for graphically rendering a block as SVG.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-
-'use strict';
-
-goog.provide('Blockly.blockRendering.Measurable');
-
-goog.require('Blockly.blockRendering.Types');
-
-
-/**
- * The base class to represent a part of a block that takes up space during
- * rendering.  The constructor for each non-spacer Measurable records the size
- * of the block element (e.g. field, statement input).
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @package
- * @constructor
- */
-Blockly.blockRendering.Measurable = function(constants) {
-  this.width = 0;
-  this.height = 0;
-  this.type = Blockly.blockRendering.Types.NONE;
-
-  this.xPos = 0;
-  this.centerline = 0;
-
-  /**
-   * The renderer's constant provider.
-   * @type {!Blockly.blockRendering.ConstantProvider}
-   * @protected
-   */
-  this.constants_ = constants;
-
-  this.notchOffset = this.constants_.NOTCH_OFFSET_LEFT;
-};
diff --git a/core/renderers/measurables/base.ts b/core/renderers/measurables/base.ts
new file mode 100644
index 00000000000..e429a3a3ef5
--- /dev/null
+++ b/core/renderers/measurables/base.ts
@@ -0,0 +1,41 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.Measurable
+
+import type {ConstantProvider} from '../common/constants.js';
+
+import {Types} from './types.js';
+
+/**
+ * The base class to represent a part of a block that takes up space during
+ * rendering.  The constructor for each non-spacer Measurable records the size
+ * of the block element (e.g. field, statement input).
+ */
+export class Measurable {
+  width = 0;
+
+  height = 0;
+  type: number;
+  xPos = 0;
+
+  centerline = 0;
+  notchOffset: number;
+
+  /** The renderer's constant provider. */
+  protected readonly constants_: ConstantProvider;
+
+  /**
+   * @param constants The rendering constants provider.
+   */
+  constructor(constants: ConstantProvider) {
+    this.constants_ = constants;
+
+    this.type = Types.NONE;
+
+    this.notchOffset = this.constants_.NOTCH_OFFSET_LEFT;
+  }
+}
diff --git a/core/renderers/measurables/bottom_row.ts b/core/renderers/measurables/bottom_row.ts
new file mode 100644
index 00000000000..66cbbd34ecd
--- /dev/null
+++ b/core/renderers/measurables/bottom_row.ts
@@ -0,0 +1,104 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.BottomRow
+
+import type {BlockSvg} from '../../block_svg.js';
+import type {ConstantProvider} from '../common/constants.js';
+
+import type {NextConnection} from './next_connection.js';
+import {Row} from './row.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about what elements are in the bottom row of
+ * a block as well as spacing information for the bottom row.
+ * Elements in a bottom row can consist of corners, spacers and next
+ * connections.
+ */
+export class BottomRow extends Row {
+  /**
+   * Whether this row has a next connection.
+   */
+  hasNextConnection = false;
+
+  /**
+   * The next connection on the row, if any.
+   */
+  connection: NextConnection | null = null;
+
+  /**
+   * The amount that the bottom of the block extends below the horizontal
+   * edge, e.g. because of a next connection.  Must be non-negative (see
+   * #2820).
+   */
+  descenderHeight = 0;
+
+  /**
+   * The Y position of the bottom edge of the block, relative to the origin
+   * of the block rendering.
+   */
+  baseline = 0;
+
+  /**
+   * @param constants The rendering constants provider.
+   */
+  constructor(constants: ConstantProvider) {
+    super(constants);
+    this.type |= Types.BOTTOM_ROW;
+  }
+
+  /**
+   * Returns whether or not the bottom row has a left square corner.
+   *
+   * @param block The block whose bottom row this represents.
+   * @returns Whether or not the bottom row has a left square corner.
+   */
+  hasLeftSquareCorner(block: BlockSvg): boolean {
+    return !!block.outputConnection || !!block.getNextBlock();
+  }
+
+  /**
+   * Returns whether or not the bottom row has a right square corner.
+   *
+   * @param _block The block whose bottom row this represents.
+   * @returns Whether or not the bottom row has a right square corner.
+   */
+  hasRightSquareCorner(_block: BlockSvg): boolean {
+    return true;
+  }
+
+  override measure() {
+    let height = 0;
+    let width = 0;
+    let descenderHeight = 0;
+    for (let i = 0; i < this.elements.length; i++) {
+      const elem = this.elements[i];
+      width += elem.width;
+      if (!Types.isSpacer(elem)) {
+        // Note: this assumes that next connections have *only* descenderHeight,
+        // with no height above the baseline.
+        if (Types.isNextConnection(elem)) {
+          descenderHeight = Math.max(descenderHeight, elem.height);
+        } else {
+          height = Math.max(height, elem.height);
+        }
+      }
+    }
+    this.width = Math.max(this.minWidth, width);
+    this.height = Math.max(this.minHeight, height) + descenderHeight;
+    this.descenderHeight = descenderHeight;
+    this.widthWithConnectedBlocks = this.width;
+  }
+
+  override startsWithElemSpacer() {
+    return false;
+  }
+
+  override endsWithElemSpacer() {
+    return false;
+  }
+}
diff --git a/core/renderers/measurables/connection.ts b/core/renderers/measurables/connection.ts
new file mode 100644
index 00000000000..5744eaab448
--- /dev/null
+++ b/core/renderers/measurables/connection.ts
@@ -0,0 +1,43 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.Connection
+
+/* eslint-disable-next-line no-unused-vars */
+import type {RenderedConnection} from '../../rendered_connection.js';
+import type {ConstantProvider, Shape} from '../common/constants.js';
+
+import {Measurable} from './base.js';
+import {Types} from './types.js';
+
+/**
+ * The base class to represent a connection and the space that it takes up on
+ * the block.
+ */
+export class Connection extends Measurable {
+  shape: Shape;
+  isDynamicShape: boolean;
+  highlighted: boolean;
+
+  /**
+   * @param constants The rendering constants provider.
+   * @param connectionModel The connection object on the block that this
+   *     represents.
+   */
+  constructor(
+    constants: ConstantProvider,
+    public connectionModel: RenderedConnection,
+  ) {
+    super(constants);
+
+    this.type |= Types.CONNECTION;
+
+    this.shape = this.constants_.shapeFor(connectionModel);
+    this.isDynamicShape = 'isDynamic' in this.shape && this.shape.isDynamic;
+
+    this.highlighted = connectionModel.isHighlighted();
+  }
+}
diff --git a/core/renderers/measurables/connections.js b/core/renderers/measurables/connections.js
deleted file mode 100644
index c9c8c5c6d02..00000000000
--- a/core/renderers/measurables/connections.js
+++ /dev/null
@@ -1,114 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Objects representing connections on rendered blocks.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-
-goog.provide('Blockly.blockRendering.Connection');
-goog.provide('Blockly.blockRendering.NextConnection');
-goog.provide('Blockly.blockRendering.OutputConnection');
-goog.provide('Blockly.blockRendering.PreviousConnection');
-
-goog.require('Blockly.blockRendering.Measurable');
-goog.require('Blockly.blockRendering.Types');
-goog.require('Blockly.utils.object');
-
-
-
-/**
- * The base class to represent a connection and the space that it takes up on
- * the block.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {!Blockly.RenderedConnection} connectionModel The connection object on
- *     the block that this represents.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Measurable}
- */
-Blockly.blockRendering.Connection = function(constants, connectionModel) {
-  Blockly.blockRendering.Connection.superClass_.constructor.call(this,
-      constants);
-  this.connectionModel = connectionModel;
-  this.shape = this.constants_.shapeFor(connectionModel);
-  this.isDynamicShape = !!this.shape['isDynamic'];
-  this.type |= Blockly.blockRendering.Types.CONNECTION;
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.Connection,
-    Blockly.blockRendering.Measurable);
-
-/**
- * An object containing information about the space an output connection takes
- * up during rendering.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {Blockly.RenderedConnection} connectionModel The connection object on
- *     the block that this represents.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Connection}
- */
-Blockly.blockRendering.OutputConnection = function(constants, connectionModel) {
-  Blockly.blockRendering.OutputConnection.superClass_.constructor.call(this,
-      constants, connectionModel);
-  this.type |= Blockly.blockRendering.Types.OUTPUT_CONNECTION;
-
-  this.height = !this.isDynamicShape ? this.shape.height : 0;
-  this.width = !this.isDynamicShape ? this.shape.width : 0;
-  this.startX = this.width;
-
-  this.connectionOffsetY = this.constants_.TAB_OFFSET_FROM_TOP;
-  this.connectionOffsetX = 0;
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.OutputConnection,
-    Blockly.blockRendering.Connection);
-
-
-/**
- * An object containing information about the space a previous connection takes
- * up during rendering.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {Blockly.RenderedConnection} connectionModel The connection object on
- *     the block that this represents.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Connection}
- */
-Blockly.blockRendering.PreviousConnection = function(
-    constants, connectionModel) {
-  Blockly.blockRendering.PreviousConnection.superClass_.constructor.call(this,
-      constants, connectionModel);
-  this.type |= Blockly.blockRendering.Types.PREVIOUS_CONNECTION;
-  this.height = this.shape.height;
-  this.width = this.shape.width;
-
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.PreviousConnection,
-    Blockly.blockRendering.Connection);
-
-/**
- * An object containing information about the space a next connection takes
- * up during rendering.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {Blockly.RenderedConnection} connectionModel The connection object on
- *     the block that this represents.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Connection}
- */
-Blockly.blockRendering.NextConnection = function(constants, connectionModel) {
-  Blockly.blockRendering.NextConnection.superClass_.constructor.call(this,
-      constants, connectionModel);
-  this.type |= Blockly.blockRendering.Types.NEXT_CONNECTION;
-  this.height = this.shape.height;
-  this.width = this.shape.width;
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.NextConnection,
-    Blockly.blockRendering.Connection);
diff --git a/core/renderers/measurables/external_value_input.ts b/core/renderers/measurables/external_value_input.ts
new file mode 100644
index 00000000000..9b9dac15f80
--- /dev/null
+++ b/core/renderers/measurables/external_value_input.ts
@@ -0,0 +1,53 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.ExternalValueInput
+
+/* eslint-disable-next-line no-unused-vars */
+import type {Input} from '../../inputs/input.js';
+import type {ConstantProvider} from '../common/constants.js';
+
+import {InputConnection} from './input_connection.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about the space an external value input
+ * takes up during rendering
+ */
+export class ExternalValueInput extends InputConnection {
+  override height = 0;
+  override width: number;
+  override connectionOffsetY: number;
+  connectionHeight: number;
+  connectionWidth: number;
+
+  /**
+   * @param constants The rendering constants provider.
+   * @param input The external value input to measure and store information for.
+   */
+  constructor(constants: ConstantProvider, input: Input) {
+    super(constants, input);
+    this.type |= Types.EXTERNAL_VALUE_INPUT;
+    if (!this.connectedBlock) {
+      this.height = this.shape.height as number;
+    } else {
+      this.height =
+        this.connectedBlockHeight -
+        this.constants_.TAB_OFFSET_FROM_TOP -
+        this.constants_.MEDIUM_PADDING;
+    }
+
+    this.width =
+      (this.shape.width as number) +
+      this.constants_.EXTERNAL_VALUE_INPUT_PADDING;
+
+    this.connectionOffsetY = this.constants_.TAB_OFFSET_FROM_TOP;
+
+    this.connectionHeight = this.shape.height as number;
+
+    this.connectionWidth = this.shape.width as number;
+  }
+}
diff --git a/core/renderers/measurables/field.ts b/core/renderers/measurables/field.ts
new file mode 100644
index 00000000000..8d6c4d60b75
--- /dev/null
+++ b/core/renderers/measurables/field.ts
@@ -0,0 +1,50 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.Field
+
+/* eslint-disable-next-line no-unused-vars */
+import type {Field as BlocklyField} from '../../field.js';
+import type {Input} from '../../inputs/input.js';
+import type {ConstantProvider} from '../common/constants.js';
+
+import {Measurable} from './base.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about the space a field takes up during
+ * rendering
+ */
+export class Field extends Measurable {
+  isEditable: boolean;
+  flipRtl: boolean;
+  override height: number;
+  override width: number;
+
+  /**
+   * @param constants The rendering constants provider.
+   * @param field The field to measure and store information for.
+   * @param parentInput The parent input for the field.
+   */
+  constructor(
+    constants: ConstantProvider,
+    public field: BlocklyField,
+    public parentInput: Input,
+  ) {
+    super(constants);
+
+    this.isEditable = field.EDITABLE;
+
+    this.flipRtl = field.getFlipRtl();
+    this.type |= Types.FIELD;
+
+    const size = this.field.getSize();
+
+    this.height = size.height;
+
+    this.width = size.width;
+  }
+}
diff --git a/core/renderers/measurables/hat.ts b/core/renderers/measurables/hat.ts
new file mode 100644
index 00000000000..2a0a5058652
--- /dev/null
+++ b/core/renderers/measurables/hat.ts
@@ -0,0 +1,33 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.Hat
+
+import type {ConstantProvider} from '../common/constants.js';
+
+import {Measurable} from './base.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about the space a hat takes up during
+ * rendering.
+ */
+export class Hat extends Measurable {
+  ascenderHeight: number;
+
+  /**
+   * @param constants The rendering constants provider.
+   */
+  constructor(constants: ConstantProvider) {
+    super(constants);
+    this.type |= Types.HAT;
+
+    this.height = this.constants_.START_HAT.height;
+    this.width = this.constants_.START_HAT.width;
+
+    this.ascenderHeight = this.height;
+  }
+}
diff --git a/core/renderers/measurables/icon.ts b/core/renderers/measurables/icon.ts
new file mode 100644
index 00000000000..98e3f722d00
--- /dev/null
+++ b/core/renderers/measurables/icon.ts
@@ -0,0 +1,42 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.Icon
+
+/* eslint-disable-next-line no-unused-vars */
+import type {IIcon as BlocklyIcon} from '../../interfaces/i_icon.js';
+import type {ConstantProvider} from '../common/constants.js';
+
+import {Measurable} from './base.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about the space an icon takes up during
+ * rendering.
+ */
+export class Icon extends Measurable {
+  flipRtl = false;
+
+  /**
+   * An object containing information about the space an icon takes up during
+   * rendering.
+   *
+   * @param constants The rendering constants provider.
+   * @param icon The icon to measure and store information for.
+   */
+  constructor(
+    constants: ConstantProvider,
+    public icon: BlocklyIcon,
+  ) {
+    super(constants);
+
+    this.type |= Types.ICON;
+
+    const size = icon.getSize();
+    this.height = size.height;
+    this.width = size.width;
+  }
+}
diff --git a/core/renderers/measurables/in_row_spacer.ts b/core/renderers/measurables/in_row_spacer.ts
new file mode 100644
index 00000000000..19b9efa67e2
--- /dev/null
+++ b/core/renderers/measurables/in_row_spacer.ts
@@ -0,0 +1,29 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.InRowSpacer
+
+import type {ConstantProvider} from '../common/constants.js';
+
+import {Measurable} from './base.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about a spacer between two elements on a
+ * row.
+ */
+export class InRowSpacer extends Measurable {
+  /**
+   * @param constants The rendering constants provider.
+   * @param width The width of the spacer.
+   */
+  constructor(constants: ConstantProvider, width: number) {
+    super(constants);
+    this.type |= Types.SPACER | Types.IN_ROW_SPACER;
+    this.width = width;
+    this.height = this.constants_.SPACER_DEFAULT_HEIGHT;
+  }
+}
diff --git a/core/renderers/measurables/inline_input.ts b/core/renderers/measurables/inline_input.ts
new file mode 100644
index 00000000000..9738ddfc24e
--- /dev/null
+++ b/core/renderers/measurables/inline_input.ts
@@ -0,0 +1,63 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.InlineInput
+
+/* eslint-disable-next-line no-unused-vars */
+import type {Input} from '../../inputs/input.js';
+import type {ConstantProvider} from '../common/constants.js';
+
+import {InputConnection} from './input_connection.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about the space an inline input takes up
+ * during rendering.
+ */
+export class InlineInput extends InputConnection {
+  connectionHeight: number;
+  connectionWidth: number;
+
+  /**
+   * @param constants The rendering constants provider.
+   * @param input The inline input to measure and store information for.
+   */
+  constructor(constants: ConstantProvider, input: Input) {
+    super(constants, input);
+    this.type |= Types.INLINE_INPUT;
+
+    if (!this.connectedBlock) {
+      this.height = this.constants_.EMPTY_INLINE_INPUT_HEIGHT;
+      this.width = this.constants_.EMPTY_INLINE_INPUT_PADDING;
+    } else {
+      // We allow the dark path to show on the parent block so that the child
+      // block looks embossed.  This takes up an extra pixel in both x and y.
+      this.width = this.connectedBlockWidth;
+      this.height = this.connectedBlockHeight;
+    }
+
+    this.connectionHeight = !this.isDynamicShape
+      ? (this.shape.height as number)
+      : (this.shape.height as (p1: number) => number)(this.height);
+
+    this.connectionWidth = !this.isDynamicShape
+      ? (this.shape.width as number)
+      : (this.shape.width as (p1: number) => number)(this.height);
+    if (!this.connectedBlock) {
+      this.width += this.connectionWidth * (this.isDynamicShape ? 2 : 1);
+    }
+
+    this.connectionOffsetY =
+      'connectionOffsetY' in this.shape
+        ? this.shape.connectionOffsetY(this.connectionHeight)
+        : this.constants_.TAB_OFFSET_FROM_TOP;
+
+    this.connectionOffsetX =
+      'connectionOffsetX' in this.shape
+        ? this.shape.connectionOffsetX(this.connectionWidth)
+        : 0;
+  }
+}
diff --git a/core/renderers/measurables/input_connection.ts b/core/renderers/measurables/input_connection.ts
new file mode 100644
index 00000000000..69ac82d2172
--- /dev/null
+++ b/core/renderers/measurables/input_connection.ts
@@ -0,0 +1,57 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.InputConnection
+
+import type {BlockSvg} from '../../block_svg.js';
+import type {Input} from '../../inputs/input.js';
+import type {RenderedConnection} from '../../rendered_connection.js';
+import type {ConstantProvider} from '../common/constants.js';
+
+import {Connection} from './connection.js';
+import {Types} from './types.js';
+
+/**
+ * The base class to represent an input that takes up space on a block
+ * during rendering.
+ */
+export class InputConnection extends Connection {
+  align: number;
+  connectedBlock: BlockSvg | null;
+  connectedBlockWidth: number;
+  connectedBlockHeight: number;
+  connectionOffsetX = 0;
+  connectionOffsetY = 0;
+
+  /**
+   * @param constants The rendering constants provider.
+   * @param input The input to measure and store information for.
+   */
+  constructor(
+    constants: ConstantProvider,
+    public input: Input,
+  ) {
+    super(constants, input.connection as RenderedConnection);
+
+    this.type |= Types.INPUT;
+
+    this.align = input.align;
+
+    this.connectedBlock =
+      input.connection && input.connection.targetBlock()
+        ? (input.connection.targetBlock() as BlockSvg)
+        : null;
+
+    if (this.connectedBlock) {
+      const bBox = this.connectedBlock.getHeightWidth();
+      this.connectedBlockWidth = bBox.width;
+      this.connectedBlockHeight = bBox.height;
+    } else {
+      this.connectedBlockWidth = 0;
+      this.connectedBlockHeight = 0;
+    }
+  }
+}
diff --git a/core/renderers/measurables/input_row.ts b/core/renderers/measurables/input_row.ts
new file mode 100644
index 00000000000..229975cfe98
--- /dev/null
+++ b/core/renderers/measurables/input_row.ts
@@ -0,0 +1,67 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.InputRow
+
+import type {ConstantProvider} from '../common/constants.js';
+
+import {ExternalValueInput} from './external_value_input.js';
+import {InputConnection} from './input_connection.js';
+import {Row} from './row.js';
+import {StatementInput} from './statement_input.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about a row that holds one or more inputs.
+ */
+export class InputRow extends Row {
+  /**
+   * The total width of all blocks connected to this row.
+   */
+  connectedBlockWidths = 0;
+
+  /**
+   * @param constants The rendering constants provider.
+   */
+  constructor(constants: ConstantProvider) {
+    super(constants);
+    this.type |= Types.INPUT_ROW;
+  }
+
+  /**
+   * Inspect all subcomponents and populate all size properties on the row.
+   */
+  override measure() {
+    this.width = this.minWidth;
+    this.height = this.minHeight;
+    let connectedBlockWidths = 0;
+    for (let i = 0; i < this.elements.length; i++) {
+      const elem = this.elements[i];
+      this.width += elem.width;
+      if (Types.isInput(elem) && elem instanceof InputConnection) {
+        if (Types.isStatementInput(elem) && elem instanceof StatementInput) {
+          connectedBlockWidths += elem.connectedBlockWidth;
+        } else if (
+          Types.isExternalInput(elem) &&
+          elem instanceof ExternalValueInput &&
+          elem.connectedBlockWidth !== 0
+        ) {
+          connectedBlockWidths +=
+            elem.connectedBlockWidth - elem.connectionWidth;
+        }
+      }
+      if (!Types.isSpacer(elem)) {
+        this.height = Math.max(this.height, elem.height);
+      }
+    }
+    this.connectedBlockWidths = connectedBlockWidths;
+    this.widthWithConnectedBlocks = this.width + connectedBlockWidths;
+  }
+
+  override endsWithElemSpacer() {
+    return !this.hasExternalInput && !this.hasStatement;
+  }
+}
diff --git a/core/renderers/measurables/inputs.js b/core/renderers/measurables/inputs.js
deleted file mode 100644
index 8d820686dc9..00000000000
--- a/core/renderers/measurables/inputs.js
+++ /dev/null
@@ -1,160 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Objects representing inputs with connections on a rendered
- * block.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-
-goog.provide('Blockly.blockRendering.ExternalValueInput');
-goog.provide('Blockly.blockRendering.InlineInput');
-goog.provide('Blockly.blockRendering.InputConnection');
-goog.provide('Blockly.blockRendering.StatementInput');
-
-goog.require('Blockly.blockRendering.Connection');
-goog.require('Blockly.blockRendering.Measurable');
-goog.require('Blockly.blockRendering.Types');
-goog.require('Blockly.utils.object');
-
-
-/**
- * The base class to represent an input that takes up space on a block
- * during rendering
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {!Blockly.Input} input The input to measure and store information for.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Connection}
- */
-Blockly.blockRendering.InputConnection = function(constants, input) {
-  Blockly.blockRendering.InputConnection.superClass_.constructor.call(this,
-      constants, input.connection);
-
-  this.type |= Blockly.blockRendering.Types.INPUT;
-  this.input = input;
-  this.align = input.align;
-  this.connectedBlock = input.connection && input.connection.targetBlock() ?
-      input.connection.targetBlock() : null;
-
-  if (this.connectedBlock) {
-    var bBox = this.connectedBlock.getHeightWidth();
-    this.connectedBlockWidth = bBox.width;
-    this.connectedBlockHeight = bBox.height;
-  } else {
-    this.connectedBlockWidth = 0;
-    this.connectedBlockHeight = 0;
-  }
-
-  this.connectionOffsetX = 0;
-  this.connectionOffsetY = 0;
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.InputConnection,
-    Blockly.blockRendering.Connection);
-
-/**
- * An object containing information about the space an inline input takes up
- * during rendering
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {!Blockly.Input} input The inline input to measure and store
- *     information for.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.InputConnection}
- */
-Blockly.blockRendering.InlineInput = function(constants, input) {
-  Blockly.blockRendering.InlineInput.superClass_.constructor.call(this,
-      constants, input);
-  this.type |= Blockly.blockRendering.Types.INLINE_INPUT;
-
-  if (!this.connectedBlock) {
-    this.height = this.constants_.EMPTY_INLINE_INPUT_HEIGHT;
-    this.width = this.constants_.EMPTY_INLINE_INPUT_PADDING;
-  } else {
-    // We allow the dark path to show on the parent block so that the child
-    // block looks embossed.  This takes up an extra pixel in both x and y.
-    this.width = this.connectedBlockWidth;
-    this.height = this.connectedBlockHeight;
-  }
-
-  this.connectionHeight = !this.isDynamicShape ? this.shape.height :
-      this.shape.height(this.height);
-  this.connectionWidth = !this.isDynamicShape ? this.shape.width :
-      this.shape.width(this.height);
-  if (!this.connectedBlock) {
-    this.width += this.connectionWidth * (this.isDynamicShape ? 2 : 1);
-  }
-  this.connectionOffsetY = this.isDynamicShape ?
-      this.shape.connectionOffsetY(this.connectionHeight) :
-      this.constants_.TAB_OFFSET_FROM_TOP;
-  this.connectionOffsetX = this.isDynamicShape ?
-      this.shape.connectionOffsetX(this.connectionWidth) : 0;
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.InlineInput,
-    Blockly.blockRendering.InputConnection);
-
-/**
- * An object containing information about the space a statement input takes up
- * during rendering
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {!Blockly.Input} input The statement input to measure and store
- *     information for.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.InputConnection}
- */
-Blockly.blockRendering.StatementInput = function(constants, input) {
-  Blockly.blockRendering.StatementInput.superClass_.constructor.call(this,
-      constants, input);
-  this.type |= Blockly.blockRendering.Types.STATEMENT_INPUT;
-
-  if (!this.connectedBlock) {
-    this.height = this.constants_.EMPTY_STATEMENT_INPUT_HEIGHT;
-  } else {
-    // We allow the dark path to show on the parent block so that the child
-    // block looks embossed.  This takes up an extra pixel in both x and y.
-    this.height =
-        this.connectedBlockHeight + this.constants_.STATEMENT_BOTTOM_SPACER;
-  }
-  this.width = this.constants_.STATEMENT_INPUT_NOTCH_OFFSET + this.shape.width;
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.StatementInput,
-    Blockly.blockRendering.InputConnection);
-
-/**
- * An object containing information about the space an external value input
- * takes up during rendering
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {!Blockly.Input} input The external value input to measure and store
- *     information for.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.InputConnection}
- */
-Blockly.blockRendering.ExternalValueInput = function(constants, input) {
-  Blockly.blockRendering.ExternalValueInput.superClass_.constructor.call(this,
-      constants, input);
-  this.type |= Blockly.blockRendering.Types.EXTERNAL_VALUE_INPUT;
-  if (!this.connectedBlock) {
-    this.height = this.shape.height;
-  } else {
-    this.height =
-        this.connectedBlockHeight - this.constants_.TAB_OFFSET_FROM_TOP -
-        this.constants_.MEDIUM_PADDING;
-  }
-  this.width = this.shape.width +
-      this.constants_.EXTERNAL_VALUE_INPUT_PADDING;
-
-  this.connectionOffsetY = this.constants_.TAB_OFFSET_FROM_TOP;
-  this.connectionHeight = this.shape.height;
-  this.connectionWidth = this.shape.width;
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.ExternalValueInput,
-    Blockly.blockRendering.InputConnection);
diff --git a/core/renderers/measurables/jagged_edge.ts b/core/renderers/measurables/jagged_edge.ts
new file mode 100644
index 00000000000..a7711dc283b
--- /dev/null
+++ b/core/renderers/measurables/jagged_edge.ts
@@ -0,0 +1,28 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.JaggedEdge
+
+import type {ConstantProvider} from '../common/constants.js';
+
+import {Measurable} from './base.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about the space the jagged edge of a
+ * collapsed block takes up during rendering.
+ */
+export class JaggedEdge extends Measurable {
+  /**
+   * @param constants The rendering constants provider.
+   */
+  constructor(constants: ConstantProvider) {
+    super(constants);
+    this.type |= Types.JAGGED_EDGE;
+    this.height = this.constants_.JAGGED_TEETH.height;
+    this.width = this.constants_.JAGGED_TEETH.width;
+  }
+}
diff --git a/core/renderers/measurables/next_connection.ts b/core/renderers/measurables/next_connection.ts
new file mode 100644
index 00000000000..50ac75ad25a
--- /dev/null
+++ b/core/renderers/measurables/next_connection.ts
@@ -0,0 +1,34 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.NextConnection
+
+import type {RenderedConnection} from '../../rendered_connection.js';
+import type {ConstantProvider} from '../common/constants.js';
+
+import {Connection} from './connection.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about the space a next connection takes
+ * up during rendering.
+ */
+export class NextConnection extends Connection {
+  /**
+   * @param constants The rendering constants provider.
+   * @param connectionModel The connection object on the block that this
+   *     represents.
+   */
+  constructor(
+    constants: ConstantProvider,
+    connectionModel: RenderedConnection,
+  ) {
+    super(constants, connectionModel);
+    this.type |= Types.NEXT_CONNECTION;
+    this.height = this.shape.height as number;
+    this.width = this.shape.width as number;
+  }
+}
diff --git a/core/renderers/measurables/output_connection.ts b/core/renderers/measurables/output_connection.ts
new file mode 100644
index 00000000000..4a3f995f415
--- /dev/null
+++ b/core/renderers/measurables/output_connection.ts
@@ -0,0 +1,43 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.OutputConnection
+
+import type {RenderedConnection} from '../../rendered_connection.js';
+import type {ConstantProvider} from '../common/constants.js';
+
+import {Connection} from './connection.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about the space an output connection takes
+ * up during rendering.
+ */
+export class OutputConnection extends Connection {
+  startX: number;
+  connectionOffsetY: number;
+  connectionOffsetX = 0;
+
+  /**
+   * @param constants The rendering constants provider.
+   * @param connectionModel The connection object on the block that this
+   *     represents.
+   */
+  constructor(
+    constants: ConstantProvider,
+    connectionModel: RenderedConnection,
+  ) {
+    super(constants, connectionModel);
+    this.type |= Types.OUTPUT_CONNECTION;
+
+    this.height = !this.isDynamicShape ? (this.shape.height as number) : 0;
+    this.width = !this.isDynamicShape ? (this.shape.width as number) : 0;
+
+    this.startX = this.width;
+
+    this.connectionOffsetY = this.constants_.TAB_OFFSET_FROM_TOP;
+  }
+}
diff --git a/core/renderers/measurables/previous_connection.ts b/core/renderers/measurables/previous_connection.ts
new file mode 100644
index 00000000000..44ebeebfaa5
--- /dev/null
+++ b/core/renderers/measurables/previous_connection.ts
@@ -0,0 +1,34 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.PreviousConnection
+
+import type {RenderedConnection} from '../../rendered_connection.js';
+import type {ConstantProvider} from '../common/constants.js';
+
+import {Connection} from './connection.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about the space a previous connection takes
+ * up during rendering.
+ */
+export class PreviousConnection extends Connection {
+  /**
+   * @param constants The rendering constants provider.
+   * @param connectionModel The connection object on the block that this
+   *     represents.
+   */
+  constructor(
+    constants: ConstantProvider,
+    connectionModel: RenderedConnection,
+  ) {
+    super(constants, connectionModel);
+    this.type |= Types.PREVIOUS_CONNECTION;
+    this.height = this.shape.height as number;
+    this.width = this.shape.width as number;
+  }
+}
diff --git a/core/renderers/measurables/round_corner.ts b/core/renderers/measurables/round_corner.ts
new file mode 100644
index 00000000000..37fc0fb988d
--- /dev/null
+++ b/core/renderers/measurables/round_corner.ts
@@ -0,0 +1,34 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.RoundCorner
+
+import type {ConstantProvider} from '../common/constants.js';
+
+import {Measurable} from './base.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about the space a rounded corner takes up
+ * during rendering.
+ */
+export class RoundCorner extends Measurable {
+  /**
+   * @param constants The rendering constants provider.
+   * @param opt_position The position of this corner.
+   */
+  constructor(constants: ConstantProvider, opt_position?: string) {
+    super(constants);
+    this.type =
+      (!opt_position || opt_position === 'left'
+        ? Types.LEFT_ROUND_CORNER
+        : Types.RIGHT_ROUND_CORNER) | Types.CORNER;
+    this.width = this.constants_.CORNER_RADIUS;
+    // The rounded corner extends into the next row by 4 so we only take the
+    // height that is aligned with this row.
+    this.height = this.constants_.CORNER_RADIUS / 2;
+  }
+}
diff --git a/core/renderers/measurables/row.ts b/core/renderers/measurables/row.ts
new file mode 100644
index 00000000000..4208c84b775
--- /dev/null
+++ b/core/renderers/measurables/row.ts
@@ -0,0 +1,191 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.Row
+
+import type {ConstantProvider} from '../common/constants.js';
+
+import type {Measurable} from './base.js';
+import type {InRowSpacer} from './in_row_spacer.js';
+import type {InputConnection} from './input_connection.js';
+import {Types} from './types.js';
+
+/**
+ * An object representing a single row on a rendered block and all of its
+ * subcomponents.
+ */
+export class Row {
+  type: number;
+
+  /**
+   * An array of elements contained in this row.
+   */
+  elements: Measurable[] = [];
+
+  /**
+   * The height of the row.
+   */
+  height = 0;
+
+  /**
+   * The width of the row, from the left edge of the block to the right.
+   * Does not include child blocks unless they are inline.
+   */
+  width = 0;
+
+  /**
+   * The minimum height of the row.
+   */
+  minHeight = 0;
+
+  /**
+   * The minimum width of the row, from the left edge of the block to the
+   * right. Does not include child blocks unless they are inline.
+   */
+  minWidth = 0;
+
+  /**
+   * The width of the row, from the left edge of the block to the edge of the
+   * block or any connected child blocks.
+   */
+  widthWithConnectedBlocks = 0;
+
+  /**
+   * The Y position of the row relative to the origin of the block's svg
+   * group.
+   */
+  yPos = 0;
+
+  /**
+   * The X position of the row relative to the origin of the block's svg
+   * group.
+   */
+  xPos = 0;
+
+  /**
+   * Whether the row has any external inputs.
+   */
+  hasExternalInput = false;
+
+  /**
+   * Whether the row has any statement inputs.
+   */
+  hasStatement = false;
+
+  /**
+   * Where the left edge of all of the statement inputs on the block should
+   * be. This makes sure that statement inputs which are proceded by fields
+   * of varius widths are all aligned.
+   */
+  statementEdge = 0;
+
+  /**
+   * Whether the row has any inline inputs.
+   */
+  hasInlineInput = false;
+
+  /**
+   * Whether the row has any dummy inputs or end-row inputs.
+   */
+  hasDummyInput = false;
+
+  /**
+   * Whether the row has a jagged edge.
+   */
+  hasJaggedEdge = false;
+  notchOffset: number;
+
+  /**
+   * Alignment of the row.
+   */
+  align: number | null = null;
+
+  protected readonly constants_: ConstantProvider;
+
+  /**
+   * @param constants The rendering constants provider.
+   */
+  constructor(constants: ConstantProvider) {
+    /** The renderer's constant provider. */
+    this.constants_ = constants;
+
+    /** The type of this rendering object. */
+    this.type = Types.ROW;
+
+    this.notchOffset = this.constants_.NOTCH_OFFSET_LEFT;
+  }
+
+  /**
+   * Get the last input on this row, if it has one.
+   *
+   * @returns The last input on the row, or null.
+   */
+  getLastInput(): InputConnection | null {
+    // TODO: Consider moving this to InputRow, if possible.
+    for (let i = this.elements.length - 1; i >= 0; i--) {
+      const elem = this.elements[i];
+      if (Types.isInput(elem)) {
+        return elem as InputConnection;
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Inspect all subcomponents and populate all size properties on the row.
+   */
+  measure() {
+    throw Error('Unexpected attempt to measure a base Row.');
+  }
+
+  /**
+   * Determines whether this row should start with an element spacer.
+   *
+   * @returns Whether the row should start with a spacer.
+   */
+  startsWithElemSpacer(): boolean {
+    return true;
+  }
+
+  /**
+   * Determines whether this row should end with an element spacer.
+   *
+   * @returns Whether the row should end with a spacer.
+   */
+  endsWithElemSpacer(): boolean {
+    return true;
+  }
+
+  /**
+   * Convenience method to get the first spacer element on this row.
+   *
+   * @returns The first spacer element on this row.
+   */
+  getFirstSpacer(): InRowSpacer | null {
+    for (let i = 0; i < this.elements.length; i++) {
+      const elem = this.elements[i];
+      if (Types.isSpacer(elem)) {
+        return elem as InRowSpacer;
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Convenience method to get the last spacer element on this row.
+   *
+   * @returns The last spacer element on this row.
+   */
+  getLastSpacer(): InRowSpacer | null {
+    for (let i = this.elements.length - 1; i >= 0; i--) {
+      const elem = this.elements[i];
+      if (Types.isSpacer(elem)) {
+        return elem as InRowSpacer;
+      }
+    }
+    return null;
+  }
+}
diff --git a/core/renderers/measurables/row_elements.js b/core/renderers/measurables/row_elements.js
deleted file mode 100644
index a39b7202126..00000000000
--- a/core/renderers/measurables/row_elements.js
+++ /dev/null
@@ -1,185 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Objects representing elements in a row of a rendered
- * block.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-
-goog.provide('Blockly.blockRendering.Field');
-goog.provide('Blockly.blockRendering.Hat');
-goog.provide('Blockly.blockRendering.Icon');
-goog.provide('Blockly.blockRendering.InRowSpacer');
-goog.provide('Blockly.blockRendering.JaggedEdge');
-goog.provide('Blockly.blockRendering.RoundCorner');
-goog.provide('Blockly.blockRendering.SquareCorner');
-
-goog.require('Blockly.blockRendering.Measurable');
-goog.require('Blockly.blockRendering.Types');
-goog.require('Blockly.utils.object');
-
-
-/**
- * An object containing information about the space an icon takes up during
- * rendering
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {!Blockly.Icon} icon The icon to measure and store information for.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Measurable}
- */
-Blockly.blockRendering.Icon = function(constants, icon) {
-  Blockly.blockRendering.Icon.superClass_.constructor.call(this, constants);
-  this.icon = icon;
-  this.isVisible = icon.isVisible();
-  this.type |= Blockly.blockRendering.Types.ICON;
-
-  var size = icon.getCorrectedSize();
-  this.height = size.height;
-  this.width = size.width;
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.Icon,
-    Blockly.blockRendering.Measurable);
-
-/**
- * An object containing information about the jagged edge of a collapsed block
- * takes up during rendering
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Measurable}
- */
-Blockly.blockRendering.JaggedEdge = function(constants) {
-  Blockly.blockRendering.JaggedEdge.superClass_.constructor.call(
-      this, constants);
-  this.type |= Blockly.blockRendering.Types.JAGGED_EDGE;
-  this.height = this.constants_.JAGGED_TEETH.height;
-  this.width = this.constants_.JAGGED_TEETH.width;
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.JaggedEdge,
-    Blockly.blockRendering.Measurable);
-
-
-/**
- * An object containing information about the space a field takes up during
- * rendering
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {!Blockly.Field} field The field to measure and store information for.
- * @param {!Blockly.Input} parentInput The parent input for the field.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Measurable}
- */
-Blockly.blockRendering.Field = function(constants, field, parentInput) {
-  Blockly.blockRendering.Field.superClass_.constructor.call(this, constants);
-  this.field = field;
-  this.isEditable = field.EDITABLE;
-  this.flipRtl = field.getFlipRtl();
-  this.type |= Blockly.blockRendering.Types.FIELD;
-
-  var size = this.field.getSize();
-  this.height = size.height;
-  this.width = size.width;
-  this.parentInput = parentInput;
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.Field,
-    Blockly.blockRendering.Measurable);
-
-/**
- * An object containing information about the space a hat takes up during
- * rendering.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Measurable}
- */
-Blockly.blockRendering.Hat = function(constants) {
-  Blockly.blockRendering.Hat.superClass_.constructor.call(this, constants);
-  this.type |= Blockly.blockRendering.Types.HAT;
-  this.height = this.constants_.START_HAT.height;
-  this.width = this.constants_.START_HAT.width;
-  this.ascenderHeight = this.height;
-
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.Hat,
-    Blockly.blockRendering.Measurable);
-
-/**
- * An object containing information about the space a square corner takes up
- * during rendering.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {string=} opt_position The position of this corner.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Measurable}
- */
-Blockly.blockRendering.SquareCorner = function(constants, opt_position) {
-  Blockly.blockRendering.SquareCorner.superClass_.constructor.call(this,
-      constants);
-  this.type = ((!opt_position || opt_position == 'left') ?
-      Blockly.blockRendering.Types.LEFT_SQUARE_CORNER :
-      Blockly.blockRendering.Types.RIGHT_SQUARE_CORNER) |
-          Blockly.blockRendering.Types.CORNER;
-  this.height = this.constants_.NO_PADDING;
-  this.width = this.constants_.NO_PADDING;
-
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.SquareCorner,
-    Blockly.blockRendering.Measurable);
-
-/**
- * An object containing information about the space a rounded corner takes up
- * during rendering.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {string=} opt_position The position of this corner.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Measurable}
- */
-Blockly.blockRendering.RoundCorner = function(constants, opt_position) {
-  Blockly.blockRendering.RoundCorner.superClass_.constructor.call(this,
-      constants);
-  this.type = ((!opt_position || opt_position == 'left') ?
-      Blockly.blockRendering.Types.LEFT_ROUND_CORNER :
-      Blockly.blockRendering.Types.RIGHT_ROUND_CORNER) |
-          Blockly.blockRendering.Types.CORNER;
-  this.width = this.constants_.CORNER_RADIUS;
-  // The rounded corner extends into the next row by 4 so we only take the
-  // height that is aligned with this row.
-  this.height = this.constants_.CORNER_RADIUS / 2;
-
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.RoundCorner,
-    Blockly.blockRendering.Measurable);
-
-/**
- * An object containing information about a spacer between two elements on a
- * row.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {number} width The width of the spacer.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Measurable}
- */
-Blockly.blockRendering.InRowSpacer = function(constants, width) {
-  Blockly.blockRendering.InRowSpacer.superClass_.constructor.call(this,
-      constants);
-  this.type |= Blockly.blockRendering.Types.SPACER |
-      Blockly.blockRendering.Types.IN_ROW_SPACER;
-  this.width = width;
-  this.height = this.constants_.SPACER_DEFAULT_HEIGHT;
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.InRowSpacer,
-    Blockly.blockRendering.Measurable);
-
diff --git a/core/renderers/measurables/rows.js b/core/renderers/measurables/rows.js
deleted file mode 100644
index 4227cba2751..00000000000
--- a/core/renderers/measurables/rows.js
+++ /dev/null
@@ -1,532 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Objects representing a single row on a rendered block and all
- * of its subcomponents.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-
-goog.provide('Blockly.blockRendering.BottomRow');
-goog.provide('Blockly.blockRendering.InputRow');
-goog.provide('Blockly.blockRendering.Row');
-goog.provide('Blockly.blockRendering.SpacerRow');
-goog.provide('Blockly.blockRendering.TopRow');
-
-goog.require('Blockly.blockRendering.InputConnection');
-goog.require('Blockly.blockRendering.InRowSpacer');
-goog.require('Blockly.blockRendering.Measurable');
-goog.require('Blockly.blockRendering.NextConnection');
-goog.require('Blockly.blockRendering.PreviousConnection');
-goog.require('Blockly.blockRendering.Types');
-goog.require('Blockly.utils.object');
-
-
-/**
- * An object representing a single row on a rendered block and all of its
- * subcomponents.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @package
- * @constructor
- */
-Blockly.blockRendering.Row = function(constants) {
-  /**
-   * The type of this rendering object.
-   * @package
-   * @type {number}
-   */
-  this.type = Blockly.blockRendering.Types.ROW;
-
-  /**
-   * An array of elements contained in this row.
-   * @package
-   * @type {!Array.<!Blockly.blockRendering.Measurable>}
-   */
-  this.elements = [];
-
-  /**
-   * The height of the row.
-   * @package
-   * @type {number}
-   */
-  this.height = 0;
-
-  /**
-   * The width of the row, from the left edge of the block to the right.
-   * Does not include child blocks unless they are inline.
-   * @package
-   * @type {number}
-   */
-  this.width = 0;
-
-  /**
-   * The minimum height of the row.
-   * @package
-   * @type {number}
-   */
-  this.minHeight = 0;
-
-  /**
-   * The minimum width of the row, from the left edge of the block to the right.
-   * Does not include child blocks unless they are inline.
-   * @package
-   * @type {number}
-   */
-  this.minWidth = 0;
-
-  /**
-   * The width of the row, from the left edge of the block to the edge of the
-   * block or any connected child blocks.
-   * @package
-   * @type {number}
-   */
-  this.widthWithConnectedBlocks = 0;
-
-  /**
-   * The Y position of the row relative to the origin of the block's svg group.
-   * @package
-   * @type {number}
-   */
-  this.yPos = 0;
-
-  /**
-   * The X position of the row relative to the origin of the block's svg group.
-   * @package
-   * @type {number}
-   */
-  this.xPos = 0;
-
-  /**
-   * Whether the row has any external inputs.
-   * @package
-   * @type {boolean}
-   */
-  this.hasExternalInput = false;
-
-  /**
-   * Whether the row has any statement inputs.
-   * @package
-   * @type {boolean}
-   */
-  this.hasStatement = false;
-
-  /**
-   * Whether the row has any inline inputs.
-   * @package
-   * @type {boolean}
-   */
-  this.hasInlineInput = false;
-
-  /**
-   * Whether the row has any dummy inputs.
-   * @package
-   * @type {boolean}
-   */
-  this.hasDummyInput = false;
-
-  /**
-   * Whether the row has a jagged edge.
-   * @package
-   * @type {boolean}
-   */
-  this.hasJaggedEdge = false;
-
-  /**
-   * The renderer's constant provider.
-   * @type {!Blockly.blockRendering.ConstantProvider}
-   * @protected
-   */
-  this.constants_ = constants;
-
-  this.notchOffset = this.constants_.NOTCH_OFFSET_LEFT;
-
-  /**
-   * Alignment of the row.
-   * @package
-   * @type {?number}
-   */
-  this.align = null;
-};
-
-/**
- * Inspect all subcomponents and populate all size properties on the row.
- * @package
- */
-Blockly.blockRendering.Row.prototype.measure = function() {
-  throw Error('Unexpected attempt to measure a base Row.');
-};
-
-/**
- * Get the last input on this row, if it has one.
- * @return {Blockly.blockRendering.InputConnection} The last input on the row,
- *     or null.
- * @package
- */
-// TODO: Consider moving this to InputRow, if possible.
-Blockly.blockRendering.Row.prototype.getLastInput = function() {
-  for (var i = this.elements.length - 1, elem; (elem = this.elements[i]); i--) {
-    if (Blockly.blockRendering.Types.isInput(elem)) {
-      return /** @type {Blockly.blockRendering.InputConnection} */ (elem);
-    }
-  }
-  return null;
-};
-
-/**
- * Determines whether this row should start with an element spacer.
- * @return {boolean} Whether the row should start with a spacer.
- * @package
- */
-Blockly.blockRendering.Row.prototype.startsWithElemSpacer = function() {
-  return true;
-};
-
-/**
- * Determines whether this row should end with an element spacer.
- * @return {boolean} Whether the row should end with a spacer.
- * @package
- */
-Blockly.blockRendering.Row.prototype.endsWithElemSpacer = function() {
-  return true;
-};
-
-/**
- * Convenience method to get the first spacer element on this row.
- * @return {Blockly.blockRendering.InRowSpacer} The first spacer element on
- *   this row.
- * @package
- */
-Blockly.blockRendering.Row.prototype.getFirstSpacer = function() {
-  for (var i = 0, elem; (elem = this.elements[i]); i++) {
-    if (Blockly.blockRendering.Types.isSpacer(elem)) {
-      return /** @type {Blockly.blockRendering.InRowSpacer} */ (elem);
-    }
-  }
-  return null;
-};
-
-/**
- * Convenience method to get the last spacer element on this row.
- * @return {Blockly.blockRendering.InRowSpacer} The last spacer element on
- *   this row.
- * @package
- */
-Blockly.blockRendering.Row.prototype.getLastSpacer = function() {
-  for (var i = this.elements.length - 1, elem; (elem = this.elements[i]); i--) {
-    if (Blockly.blockRendering.Types.isSpacer(elem)) {
-      return /** @type {Blockly.blockRendering.InRowSpacer} */ (elem);
-    }
-  }
-  return null;
-};
-
-/**
- * An object containing information about what elements are in the top row of a
- * block as well as sizing information for the top row.
- * Elements in a top row can consist of corners, hats, spacers, and previous
- * connections.
- * After this constructor is called, the row will contain all non-spacer
- * elements it needs.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Row}
- */
-Blockly.blockRendering.TopRow = function(constants) {
-  Blockly.blockRendering.TopRow.superClass_.constructor.call(this, constants);
-
-  this.type |= Blockly.blockRendering.Types.TOP_ROW;
-
-  /**
-   * The starting point for drawing the row, in the y direction.
-   * This allows us to draw hats and similar shapes that don't start at the
-   * origin. Must be non-negative (see #2820).
-   * @package
-   * @type {number}
-   */
-  this.capline = 0;
-
-  /**
-   * How much the row extends up above its capline.
-   * @type {number}
-   */
-  this.ascenderHeight = 0;
-
-  /**
-   * Whether the block has a previous connection.
-   * @package
-   * @type {boolean}
-   */
-  this.hasPreviousConnection = false;
-
-  /**
-   * The previous connection on the block, if any.
-   * @type {Blockly.blockRendering.PreviousConnection}
-   */
-  this.connection = null;
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.TopRow,
-    Blockly.blockRendering.Row);
-
-/**
- * Returns whether or not the top row has a left square corner.
- * @param {!Blockly.BlockSvg} block The block whose top row this represents.
- * @return {boolean} Whether or not the top row has a left square corner.
- */
-Blockly.blockRendering.TopRow.prototype.hasLeftSquareCorner = function(block) {
-  var hasHat = (block.hat ?
-      block.hat === 'cap' : this.constants_.ADD_START_HATS) &&
-      !block.outputConnection && !block.previousConnection;
-  var prevBlock = block.getPreviousBlock();
-
-  return !!block.outputConnection ||
-      hasHat || (prevBlock ? prevBlock.getNextBlock() == block : false);
-};
-
-/**
- * Returns whether or not the top row has a right square corner.
- * @param {!Blockly.BlockSvg} _block The block whose top row this represents.
- * @return {boolean} Whether or not the top row has a right square corner.
- */
-Blockly.blockRendering.TopRow.prototype.hasRightSquareCorner = function(
-    _block) {
-  return true;
-};
-
-/**
- * @override
- */
-Blockly.blockRendering.TopRow.prototype.measure = function() {
-  var height = 0;
-  var width = 0;
-  var ascenderHeight = 0;
-  for (var e = 0, elem; (elem = this.elements[e]); e++) {
-    width += elem.width;
-    if (!(Blockly.blockRendering.Types.isSpacer(elem))) {
-      if (Blockly.blockRendering.Types.isHat(elem)) {
-        ascenderHeight = Math.max(ascenderHeight, elem.ascenderHeight);
-      } else {
-        height = Math.max(height, elem.height);
-      }
-    }
-  }
-  this.width = Math.max(this.minWidth, width);
-  this.height = Math.max(this.minHeight, height) + ascenderHeight;
-  this.ascenderHeight = ascenderHeight;
-  this.capline = this.ascenderHeight;
-  this.widthWithConnectedBlocks = this.width;
-};
-
-/**
- * @override
- */
-Blockly.blockRendering.TopRow.prototype.startsWithElemSpacer = function() {
-  return false;
-};
-
-/**
- * @override
- */
-Blockly.blockRendering.TopRow.prototype.endsWithElemSpacer = function() {
-  return false;
-};
-
-/**
- * An object containing information about what elements are in the bottom row of
- * a block as well as spacing information for the top row.
- * Elements in a bottom row can consist of corners, spacers and next
- * connections.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Row}
- */
-Blockly.blockRendering.BottomRow = function(constants) {
-  Blockly.blockRendering.BottomRow.superClass_.constructor.call(this,
-      constants);
-  this.type |= Blockly.blockRendering.Types.BOTTOM_ROW;
-
-  /**
-   * Whether this row has a next connection.
-   * @package
-   * @type {boolean}
-   */
-  this.hasNextConnection = false;
-
-  /**
-   * The next connection on the row, if any.
-   * @package
-   * @type {Blockly.blockRendering.NextConnection}
-   */
-  this.connection = null;
-
-  /**
-   * The amount that the bottom of the block extends below the horizontal edge,
-   * e.g. because of a next connection.  Must be non-negative (see #2820).
-   * @package
-   * @type {number}
-   */
-  this.descenderHeight = 0;
-
-  /**
-   * The Y position of the bottom edge of the block, relative to the origin
-   * of the block rendering.
-   * @type {number}
-   */
-  this.baseline = 0;
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.BottomRow,
-    Blockly.blockRendering.Row);
-
-/**
- * Returns whether or not the bottom row has a left square corner.
- * @param {!Blockly.BlockSvg} block The block whose bottom row this represents.
- * @return {boolean} Whether or not the bottom row has a left square corner.
- */
-Blockly.blockRendering.BottomRow.prototype.hasLeftSquareCorner = function(
-    block) {
-  return !!block.outputConnection || !!block.getNextBlock();
-};
-
-/**
- * Returns whether or not the bottom row has a right square corner.
- * @param {!Blockly.BlockSvg} _block The block whose bottom row this represents.
- * @return {boolean} Whether or not the bottom row has a right square corner.
- */
-Blockly.blockRendering.BottomRow.prototype.hasRightSquareCorner = function(
-    _block) {
-  return true;
-};
-
-/**
- * @override
- */
-Blockly.blockRendering.BottomRow.prototype.measure = function() {
-  var height = 0;
-  var width = 0;
-  var descenderHeight = 0;
-  for (var e = 0, elem; (elem = this.elements[e]); e++) {
-    width += elem.width;
-    if (!(Blockly.blockRendering.Types.isSpacer(elem))) {
-      // Note: this assumes that next connections have *only* descenderHeight,
-      // with no height above the baseline.
-      if (Blockly.blockRendering.Types.isNextConnection(elem)) {
-        descenderHeight = Math.max(descenderHeight, elem.height);
-      } else {
-        height = Math.max(height, elem.height);
-      }
-    }
-  }
-  this.width = Math.max(this.minWidth, width);
-  this.height = Math.max(this.minHeight, height) + descenderHeight;
-  this.descenderHeight = descenderHeight;
-  this.widthWithConnectedBlocks = this.width;
-};
-
-/**
- * @override
- */
-Blockly.blockRendering.BottomRow.prototype.startsWithElemSpacer = function() {
-  return false;
-};
-
-/**
- * @override
- */
-Blockly.blockRendering.BottomRow.prototype.endsWithElemSpacer = function() {
-  return false;
-};
-
-/**
- * An object containing information about a spacer between two rows.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {number} height The height of the spacer.
- * @param {number} width The width of the spacer.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Row}
- */
-Blockly.blockRendering.SpacerRow = function(constants, height, width) {
-  Blockly.blockRendering.SpacerRow.superClass_.constructor.call(this,
-      constants);
-  this.type |= Blockly.blockRendering.Types.SPACER |
-      Blockly.blockRendering.Types.BETWEEN_ROW_SPACER;
-  this.width = width;
-  this.height = height;
-  this.followsStatement = false;
-  this.widthWithConnectedBlocks = 0;
-  this.elements = [
-    new Blockly.blockRendering.InRowSpacer(this.constants_, width)];
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.SpacerRow,
-    Blockly.blockRendering.Row);
-
-/**
- * @override
- */
-Blockly.blockRendering.SpacerRow.prototype.measure = function() {
-  // NOP.  Width and height were set at creation.
-};
-
-/**
- * An object containing information about a row that holds one or more inputs.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Row}
- */
-Blockly.blockRendering.InputRow = function(constants) {
-  Blockly.blockRendering.InputRow.superClass_.constructor.call(this, constants);
-  this.type |= Blockly.blockRendering.Types.INPUT_ROW;
-
-  /**
-   * The total width of all blocks connected to this row.
-   * @type {number}
-   * @package
-   */
-  this.connectedBlockWidths = 0;
-};
-Blockly.utils.object.inherits(Blockly.blockRendering.InputRow,
-    Blockly.blockRendering.Row);
-
-/**
- * Inspect all subcomponents and populate all size properties on the row.
- * @package
- */
-Blockly.blockRendering.InputRow.prototype.measure = function() {
-  this.width = this.minWidth;
-  this.height = this.minHeight;
-  var connectedBlockWidths = 0;
-  for (var e = 0, elem; (elem = this.elements[e]); e++) {
-    this.width += elem.width;
-    if (Blockly.blockRendering.Types.isInput(elem)) {
-      if (Blockly.blockRendering.Types.isStatementInput(elem)) {
-        connectedBlockWidths += elem.connectedBlockWidth;
-      } else if (Blockly.blockRendering.Types.isExternalInput(elem) &&
-          elem.connectedBlockWidth != 0) {
-        connectedBlockWidths += (elem.connectedBlockWidth -
-          elem.connectionWidth);
-      }
-    }
-    if (!(Blockly.blockRendering.Types.isSpacer(elem))) {
-      this.height = Math.max(this.height, elem.height);
-    }
-  }
-  this.connectedBlockWidths = connectedBlockWidths;
-  this.widthWithConnectedBlocks = this.width + connectedBlockWidths;
-};
-
-/**
- * @override
- */
-Blockly.blockRendering.InputRow.prototype.endsWithElemSpacer = function() {
-  return !this.hasExternalInput && !this.hasStatement;
-};
diff --git a/core/renderers/measurables/spacer_row.ts b/core/renderers/measurables/spacer_row.ts
new file mode 100644
index 00000000000..6fae98d877d
--- /dev/null
+++ b/core/renderers/measurables/spacer_row.ts
@@ -0,0 +1,44 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.SpacerRow
+
+import type {ConstantProvider} from '../common/constants.js';
+
+import {InRowSpacer} from './in_row_spacer.js';
+import {Row} from './row.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about a spacer between two rows.
+ */
+export class SpacerRow extends Row {
+  followsStatement = false;
+
+  precedesStatement = false;
+
+  override widthWithConnectedBlocks = 0;
+  override elements: InRowSpacer[];
+
+  /**
+   * @param constants The rendering constants provider.
+   * @param height The height of the spacer.
+   * @param width The width of the spacer.
+   */
+  constructor(
+    constants: ConstantProvider,
+    public override height: number,
+    public override width: number,
+  ) {
+    super(constants);
+    this.type |= Types.SPACER | Types.BETWEEN_ROW_SPACER;
+
+    this.elements = [new InRowSpacer(this.constants_, width)];
+  }
+
+  override measure() {}
+}
+// NOP.  Width and height were set at creation.
diff --git a/core/renderers/measurables/square_corner.ts b/core/renderers/measurables/square_corner.ts
new file mode 100644
index 00000000000..560f37b65fc
--- /dev/null
+++ b/core/renderers/measurables/square_corner.ts
@@ -0,0 +1,32 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.SquareCorner
+
+import type {ConstantProvider} from '../common/constants.js';
+
+import {Measurable} from './base.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about the space a square corner takes up
+ * during rendering.
+ */
+export class SquareCorner extends Measurable {
+  /**
+   * @param constants The rendering constants provider.
+   * @param opt_position The position of this corner.
+   */
+  constructor(constants: ConstantProvider, opt_position?: string) {
+    super(constants);
+    this.type =
+      (!opt_position || opt_position === 'left'
+        ? Types.LEFT_SQUARE_CORNER
+        : Types.RIGHT_SQUARE_CORNER) | Types.CORNER;
+    this.height = this.constants_.NO_PADDING;
+    this.width = this.constants_.NO_PADDING;
+  }
+}
diff --git a/core/renderers/measurables/statement_input.ts b/core/renderers/measurables/statement_input.ts
new file mode 100644
index 00000000000..cdc7c6680de
--- /dev/null
+++ b/core/renderers/measurables/statement_input.ts
@@ -0,0 +1,41 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.StatementInput
+
+/* eslint-disable-next-line no-unused-vars */
+import type {Input} from '../../inputs/input.js';
+import type {ConstantProvider} from '../common/constants.js';
+
+import {InputConnection} from './input_connection.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about the space a statement input takes up
+ * during rendering
+ */
+export class StatementInput extends InputConnection {
+  /**
+   * @param constants The rendering constants provider.
+   * @param input The statement input to measure and store information for.
+   */
+  constructor(constants: ConstantProvider, input: Input) {
+    super(constants, input);
+    this.type |= Types.STATEMENT_INPUT;
+
+    if (!this.connectedBlock) {
+      this.height = this.constants_.EMPTY_STATEMENT_INPUT_HEIGHT;
+    } else {
+      // We allow the dark path to show on the parent block so that the child
+      // block looks embossed.  This takes up an extra pixel in both x and y.
+      this.height =
+        this.connectedBlockHeight + this.constants_.STATEMENT_BOTTOM_SPACER;
+    }
+    this.width =
+      this.constants_.STATEMENT_INPUT_NOTCH_OFFSET +
+      (this.shape.width as number);
+  }
+}
diff --git a/core/renderers/measurables/top_row.ts b/core/renderers/measurables/top_row.ts
new file mode 100644
index 00000000000..b1490860611
--- /dev/null
+++ b/core/renderers/measurables/top_row.ts
@@ -0,0 +1,110 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.TopRow
+
+import type {BlockSvg} from '../../block_svg.js';
+import type {ConstantProvider} from '../common/constants.js';
+
+import {Hat} from './hat.js';
+import type {PreviousConnection} from './previous_connection.js';
+import {Row} from './row.js';
+import {Types} from './types.js';
+
+/**
+ * An object containing information about what elements are in the top row of a
+ * block as well as sizing information for the top row.
+ * Elements in a top row can consist of corners, hats, spacers, and previous
+ * connections.
+ * After this constructor is called, the row will contain all non-spacer
+ * elements it needs.
+ */
+export class TopRow extends Row {
+  /**
+   * The starting point for drawing the row, in the y direction.
+   * This allows us to draw hats and similar shapes that don't start at the
+   * origin. Must be non-negative (see #2820).
+   */
+  capline = 0;
+
+  /** How much the row extends up above its capline. */
+  ascenderHeight = 0;
+
+  /** Whether the block has a previous connection. */
+  hasPreviousConnection = false;
+
+  /** The previous connection on the block, if any. */
+  connection: PreviousConnection | null = null;
+
+  /**
+   * @param constants The rendering constants provider.
+   */
+  constructor(constants: ConstantProvider) {
+    super(constants);
+
+    this.type |= Types.TOP_ROW;
+  }
+
+  /**
+   * Returns whether or not the top row has a left square corner.
+   *
+   * @param block The block whose top row this represents.
+   * @returns Whether or not the top row has a left square corner.
+   */
+  hasLeftSquareCorner(block: BlockSvg): boolean {
+    const hasHat =
+      (block.hat ? block.hat === 'cap' : this.constants_.ADD_START_HATS) &&
+      !block.outputConnection &&
+      !block.previousConnection;
+    const prevBlock = block.getPreviousBlock();
+
+    return (
+      !!block.outputConnection ||
+      hasHat ||
+      (prevBlock ? prevBlock.getNextBlock() === block : false)
+    );
+  }
+
+  /**
+   * Returns whether or not the top row has a right square corner.
+   *
+   * @param _block The block whose top row this represents.
+   * @returns Whether or not the top row has a right square corner.
+   */
+  hasRightSquareCorner(_block: BlockSvg): boolean {
+    return true;
+  }
+
+  override measure() {
+    let height = 0;
+    let width = 0;
+    let ascenderHeight = 0;
+    for (let i = 0; i < this.elements.length; i++) {
+      const elem = this.elements[i];
+      width += elem.width;
+      if (!Types.isSpacer(elem)) {
+        if (Types.isHat(elem) && elem instanceof Hat) {
+          ascenderHeight = Math.max(ascenderHeight, elem.ascenderHeight);
+        } else {
+          height = Math.max(height, elem.height);
+        }
+      }
+    }
+    this.width = Math.max(this.minWidth, width);
+    this.height = Math.max(this.minHeight, height) + ascenderHeight;
+    this.ascenderHeight = ascenderHeight;
+    this.capline = this.ascenderHeight;
+    this.widthWithConnectedBlocks = this.width;
+  }
+
+  override startsWithElemSpacer() {
+    return false;
+  }
+
+  override endsWithElemSpacer() {
+    return false;
+  }
+}
diff --git a/core/renderers/measurables/types.js b/core/renderers/measurables/types.js
deleted file mode 100644
index cbb7fa6ef61..00000000000
--- a/core/renderers/measurables/types.js
+++ /dev/null
@@ -1,349 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Measurable types.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-'use strict';
-
-goog.provide('Blockly.blockRendering.Types');
-
-
-/**
- * Types of rendering elements.
- * @enum {number}
- */
-Blockly.blockRendering.Types = {
-  NONE: 0,                      // None
-  FIELD: 1 << 0,                // Field.
-  HAT: 1 << 1,                  // Hat.
-  ICON: 1 << 2,                 // Icon.
-  SPACER: 1 << 3,               // Spacer.
-  BETWEEN_ROW_SPACER: 1 << 4,   // Between Row Spacer.
-  IN_ROW_SPACER: 1 << 5,        // In Row Spacer.
-  EXTERNAL_VALUE_INPUT: 1 << 6, // External Value Input.
-  INPUT: 1 << 7,                // Input.
-  INLINE_INPUT: 1 << 8,         // Inline Input.
-  STATEMENT_INPUT: 1 << 9,      // Statement Input.
-  CONNECTION: 1 << 10,          // Connection.
-  PREVIOUS_CONNECTION: 1 << 11, // Previous Connection.
-  NEXT_CONNECTION: 1 << 12,     // Next Connection.
-  OUTPUT_CONNECTION: 1 << 13,   // Output Connection.
-  CORNER: 1 << 14,              // Corner.
-  LEFT_SQUARE_CORNER: 1 << 15,  // Square Corner.
-  LEFT_ROUND_CORNER: 1 << 16,   // Round Corner.
-  RIGHT_SQUARE_CORNER: 1 << 17, // Right Square Corner.
-  RIGHT_ROUND_CORNER: 1 << 18,  // Right Round Corner.
-  JAGGED_EDGE: 1 << 19,         // Jagged Edge.
-  ROW: 1 << 20,                 // Row.
-  TOP_ROW: 1 << 21,             // Top Row.
-  BOTTOM_ROW: 1 << 22,          // Bottom Row.
-  INPUT_ROW: 1 << 23            // Input Row.
-};
-
-/**
- * A Left Corner Union Type.
- * @type {number}
- * @const
- * @package
- */
-Blockly.blockRendering.Types.LEFT_CORNER =
-    Blockly.blockRendering.Types.LEFT_SQUARE_CORNER |
-    Blockly.blockRendering.Types.LEFT_ROUND_CORNER;
-
-/**
- * A Right Corner Union Type.
- * @type {number}
- * @const
- * @package
- */
-Blockly.blockRendering.Types.RIGHT_CORNER =
-    Blockly.blockRendering.Types.RIGHT_SQUARE_CORNER |
-    Blockly.blockRendering.Types.RIGHT_ROUND_CORNER;
-
-/**
- * Next flag value to use for custom rendering element types.
- * This must be updated to reflect the next enum flag value
- * to use if additional elements are added to
- * `Blockly.blockRendering.Types`.
- * @type {number}
- * @private
- */
-Blockly.blockRendering.Types.nextTypeValue_ = 1 << 24;
-
-/**
- * Get the enum flag value of an existing type or register a new type.
- * @param {!string} type The name of the type.
- * @return {!number} The enum flag value associated with that type.
- * @package
- */
-Blockly.blockRendering.Types.getType = function(type) {
-  if (!Object.prototype.hasOwnProperty.call(Blockly.blockRendering.Types, type)) {
-    Blockly.blockRendering.Types[type] =
-      Blockly.blockRendering.Types.nextTypeValue_;
-    Blockly.blockRendering.Types.nextTypeValue_ <<= 1;
-  }
-  return Blockly.blockRendering.Types[type];
-};
-
-/**
- * Whether a measurable stores information about a field.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about a field.
- * @package
- */
-Blockly.blockRendering.Types.isField = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.FIELD;
-};
-
-/**
- * Whether a measurable stores information about a hat.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about a hat.
- * @package
- */
-Blockly.blockRendering.Types.isHat = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.HAT;
-};
-
-/**
- * Whether a measurable stores information about an icon.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about an icon.
- * @package
- */
-Blockly.blockRendering.Types.isIcon = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.ICON;
-};
-
-/**
- * Whether a measurable stores information about a spacer.
- * @param {!Blockly.blockRendering.Measurable|!Blockly.blockRendering.Row} elem
- *     The element to check.
- * @return {number} 1 if the object stores information about a spacer.
- * @package
- */
-Blockly.blockRendering.Types.isSpacer = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.SPACER;
-};
-
-/**
- * Whether a measurable stores information about an in-row spacer.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about an
- *   in-row spacer.
- * @package
- */
-Blockly.blockRendering.Types.isInRowSpacer = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.IN_ROW_SPACER;
-};
-
-/**
- * Whether a measurable stores information about an input.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about an input.
- * @package
- */
-Blockly.blockRendering.Types.isInput = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.INPUT;
-};
-
-/**
- * Whether a measurable stores information about an external input.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about an
- *   external input.
- * @package
- */
-Blockly.blockRendering.Types.isExternalInput = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.EXTERNAL_VALUE_INPUT;
-};
-
-/**
- * Whether a measurable stores information about an inline input.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about an
- *   inline input.
- * @package
- */
-Blockly.blockRendering.Types.isInlineInput = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.INLINE_INPUT;
-};
-
-/**
- * Whether a measurable stores information about a statement input.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about a
- *   statement input.
- * @package
- */
-Blockly.blockRendering.Types.isStatementInput = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.STATEMENT_INPUT;
-};
-
-/**
- * Whether a measurable stores information about a previous connection.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about a
- *   previous connection.
- * @package
- */
-Blockly.blockRendering.Types.isPreviousConnection = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.PREVIOUS_CONNECTION;
-};
-
-/**
- * Whether a measurable stores information about a next connection.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about a
- *   next connection.
- * @package
- */
-Blockly.blockRendering.Types.isNextConnection = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.NEXT_CONNECTION;
-};
-
-/**
- * Whether a measurable stores information about a previous or next connection.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about a previous or
- *   next connection.
- * @package
- */
-Blockly.blockRendering.Types.isPreviousOrNextConnection = function(elem) {
-  return elem.type & (Blockly.blockRendering.Types.PREVIOUS_CONNECTION |
-      Blockly.blockRendering.Types.NEXT_CONNECTION);
-};
-
-/**
- * Whether a measurable stores information about a left round corner.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about a
- *   left round corner.
- * @package
- */
-Blockly.blockRendering.Types.isLeftRoundedCorner = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.LEFT_ROUND_CORNER;
-};
-
-/**
- * Whether a measurable stores information about a right round corner.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about a
- *   right round corner.
- * @package
- */
-Blockly.blockRendering.Types.isRightRoundedCorner = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.RIGHT_ROUND_CORNER;
-};
-
-/**
- * Whether a measurable stores information about a left square corner.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about a
- *   left square corner.
- * @package
- */
-Blockly.blockRendering.Types.isLeftSquareCorner = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.LEFT_SQUARE_CORNER;
-};
-
-/**
- * Whether a measurable stores information about a right square corner.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about a
- *   right square corner.
- * @package
- */
-Blockly.blockRendering.Types.isRightSquareCorner = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.RIGHT_SQUARE_CORNER;
-};
-
-/**
- * Whether a measurable stores information about a corner.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about a
- *   corner.
- * @package
- */
-Blockly.blockRendering.Types.isCorner = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.CORNER;
-};
-
-/**
- * Whether a measurable stores information about a jagged edge.
- * @param {!Blockly.blockRendering.Measurable} elem The element to check.
- * @return {number} 1 if the object stores information about a jagged edge.
- * @package
- */
-Blockly.blockRendering.Types.isJaggedEdge = function(elem) {
-  return elem.type & Blockly.blockRendering.Types.JAGGED_EDGE;
-};
-
-/**
- * Whether a measurable stores information about a row.
- * @param {!Blockly.blockRendering.Row} row The row to check.
- * @return {number} 1 if the object stores information about a row.
- * @package
- */
-Blockly.blockRendering.Types.isRow = function(row) {
-  return row.type & Blockly.blockRendering.Types.ROW;
-};
-
-/**
- * Whether a measurable stores information about a between-row spacer.
- * @param {!Blockly.blockRendering.Row} row The row to check.
- * @return {number} 1 if the object stores information about a
- *   between-row spacer.
- * @package
- */
-Blockly.blockRendering.Types.isBetweenRowSpacer = function(row) {
-  return row.type & Blockly.blockRendering.Types.BETWEEN_ROW_SPACER;
-};
-
-/**
- * Whether a measurable stores information about a top row.
- * @param {!Blockly.blockRendering.Row} row The row to check.
- * @return {number} 1 if the object stores information about a top row.
- * @package
- */
-Blockly.blockRendering.Types.isTopRow = function(row) {
-  return row.type & Blockly.blockRendering.Types.TOP_ROW;
-};
-
-/**
- * Whether a measurable stores information about a bottom row.
- * @param {!Blockly.blockRendering.Row} row The row to check.
- * @return {number} 1 if the object stores information about a bottom row.
- * @package
- */
-Blockly.blockRendering.Types.isBottomRow = function(row) {
-  return row.type & Blockly.blockRendering.Types.BOTTOM_ROW;
-};
-
-/**
- * Whether a measurable stores information about a top or bottom row.
- * @param {!Blockly.blockRendering.Row} row The row to check.
- * @return {number} 1 if the object stores information about a top or
- *   bottom row.
- * @package
- */
-Blockly.blockRendering.Types.isTopOrBottomRow = function(row) {
-  return row.type & (Blockly.blockRendering.Types.TOP_ROW |
-      Blockly.blockRendering.Types.BOTTOM_ROW);
-};
-
-/**
- * Whether a measurable stores information about an input row.
- * @param {!Blockly.blockRendering.Row} row The row to check.
- * @return {number} 1 if the object stores information about an input row.
- * @package
- */
-Blockly.blockRendering.Types.isInputRow = function(row) {
-  return row.type & Blockly.blockRendering.Types.INPUT_ROW;
-};
diff --git a/core/renderers/measurables/types.ts b/core/renderers/measurables/types.ts
new file mode 100644
index 00000000000..a378fc18efe
--- /dev/null
+++ b/core/renderers/measurables/types.ts
@@ -0,0 +1,319 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.blockRendering.Types
+
+import type {Measurable} from './base.js';
+import type {Row} from './row.js';
+
+/**
+ * Types of rendering elements.
+ */
+class TypesContainer {
+  [index: string]: number | Function;
+
+  NONE = 0; // None
+  FIELD = 1 << 0; // Field.
+  HAT = 1 << 1; // Hat.
+  ICON = 1 << 2; // Icon.
+  SPACER = 1 << 3; // Spacer.
+  BETWEEN_ROW_SPACER = 1 << 4; // Between Row Spacer.
+  IN_ROW_SPACER = 1 << 5; // In Row Spacer.
+  EXTERNAL_VALUE_INPUT = 1 << 6; // External Value Input.
+  INPUT = 1 << 7; // Input.
+  INLINE_INPUT = 1 << 8; // Inline Input.
+  STATEMENT_INPUT = 1 << 9; // Statement Input.
+  CONNECTION = 1 << 10; // Connection.
+  PREVIOUS_CONNECTION = 1 << 11; // Previous Connection.
+  NEXT_CONNECTION = 1 << 12; // Next Connection.
+  OUTPUT_CONNECTION = 1 << 13; // Output Connection.
+  CORNER = 1 << 14; // Corner.
+  LEFT_SQUARE_CORNER = 1 << 15; // Square Corner.
+  LEFT_ROUND_CORNER = 1 << 16; // Round Corner.
+  RIGHT_SQUARE_CORNER = 1 << 17; // Right Square Corner.
+  RIGHT_ROUND_CORNER = 1 << 18; // Right Round Corner.
+  JAGGED_EDGE = 1 << 19; // Jagged Edge.
+  ROW = 1 << 20; // Row.
+  TOP_ROW = 1 << 21; // Top Row.
+  BOTTOM_ROW = 1 << 22; // Bottom Row.
+  INPUT_ROW = 1 << 23; // Input Row.
+
+  /**
+   * A Left Corner Union Type.
+   */
+  LEFT_CORNER = this.LEFT_SQUARE_CORNER | this.LEFT_ROUND_CORNER;
+
+  /**
+   * A Right Corner Union Type.
+   */
+  RIGHT_CORNER = this.RIGHT_SQUARE_CORNER | this.RIGHT_ROUND_CORNER;
+
+  /**
+   * Next flag value to use for custom rendering element types.
+   * This must be updated to reflect the next enum flag value
+   * to use if additional elements are added to
+   * `Types`.
+   */
+  nextTypeValue_ = 1 << 24;
+
+  /**
+   * Get the enum flag value of an existing type or register a new type.
+   *
+   * @param type The name of the type.
+   * @returns The enum flag value associated with that type.
+   */
+  getType(type: string): number {
+    if (!Object.prototype.hasOwnProperty.call(this, type)) {
+      this[type] = this.nextTypeValue_;
+      this.nextTypeValue_ <<= 1;
+    }
+    return this[type] as number;
+  }
+
+  /**
+   * Whether a measurable stores information about a field.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about a field.
+   */
+  isField(elem: Measurable): number {
+    return elem.type & this.FIELD;
+  }
+
+  /**
+   * Whether a measurable stores information about a hat.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about a hat.
+   */
+  isHat(elem: Measurable): number {
+    return elem.type & this.HAT;
+  }
+
+  /**
+   * Whether a measurable stores information about an icon.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about an icon.
+   */
+  isIcon(elem: Measurable): number {
+    return elem.type & this.ICON;
+  }
+
+  /**
+   * Whether a measurable stores information about a spacer.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about a spacer.
+   */
+  isSpacer(elem: Measurable | Row): number {
+    return elem.type & this.SPACER;
+  }
+
+  /**
+   * Whether a measurable stores information about an in-row spacer.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about an in-row spacer.
+   */
+  isInRowSpacer(elem: Measurable): number {
+    return elem.type & this.IN_ROW_SPACER;
+  }
+
+  /**
+   * Whether a measurable stores information about an input.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about an input.
+   */
+  isInput(elem: Measurable): number {
+    return elem.type & this.INPUT;
+  }
+
+  /**
+   * Whether a measurable stores information about an external input.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about an external input.
+   */
+  isExternalInput(elem: Measurable): number {
+    return elem.type & this.EXTERNAL_VALUE_INPUT;
+  }
+
+  /**
+   * Whether a measurable stores information about an inline input.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about an inline input.
+   */
+  isInlineInput(elem: Measurable): number {
+    return elem.type & this.INLINE_INPUT;
+  }
+
+  /**
+   * Whether a measurable stores information about a statement input.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about a statement input.
+   */
+  isStatementInput(elem: Measurable): number {
+    return elem.type & this.STATEMENT_INPUT;
+  }
+
+  /**
+   * Whether a measurable stores information about a previous connection.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about a previous connection.
+   */
+  isPreviousConnection(elem: Measurable): number {
+    return elem.type & this.PREVIOUS_CONNECTION;
+  }
+
+  /**
+   * Whether a measurable stores information about a next connection.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about a next connection.
+   */
+  isNextConnection(elem: Measurable): number {
+    return elem.type & this.NEXT_CONNECTION;
+  }
+
+  /**
+   * Whether a measurable stores information about a previous or next
+   * connection.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about a previous or next
+   *     connection.
+   */
+  isPreviousOrNextConnection(elem: Measurable): number {
+    return elem.type & (this.PREVIOUS_CONNECTION | this.NEXT_CONNECTION);
+  }
+
+  /**
+   * Whether a measurable stores information about a left round corner.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about a left round corner.
+   */
+  isLeftRoundedCorner(elem: Measurable): number {
+    return elem.type & this.LEFT_ROUND_CORNER;
+  }
+
+  /**
+   * Whether a measurable stores information about a right round corner.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about a right round corner.
+   */
+  isRightRoundedCorner(elem: Measurable): number {
+    return elem.type & this.RIGHT_ROUND_CORNER;
+  }
+
+  /**
+   * Whether a measurable stores information about a left square corner.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about a left square corner.
+   */
+  isLeftSquareCorner(elem: Measurable): number {
+    return elem.type & this.LEFT_SQUARE_CORNER;
+  }
+
+  /**
+   * Whether a measurable stores information about a right square corner.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about a right square corner.
+   */
+  isRightSquareCorner(elem: Measurable): number {
+    return elem.type & this.RIGHT_SQUARE_CORNER;
+  }
+
+  /**
+   * Whether a measurable stores information about a corner.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about a corner.
+   */
+  isCorner(elem: Measurable): number {
+    return elem.type & this.CORNER;
+  }
+
+  /**
+   * Whether a measurable stores information about a jagged edge.
+   *
+   * @param elem The element to check.
+   * @returns 1 if the object stores information about a jagged edge.
+   */
+  isJaggedEdge(elem: Measurable): number {
+    return elem.type & this.JAGGED_EDGE;
+  }
+
+  /**
+   * Whether a measurable stores information about a row.
+   *
+   * @param row The row to check.
+   * @returns 1 if the object stores information about a row.
+   */
+  isRow(row: Row): number {
+    return row.type & this.ROW;
+  }
+
+  /**
+   * Whether a measurable stores information about a between-row spacer.
+   *
+   * @param row The row to check.
+   * @returns 1 if the object stores information about a between-row spacer.
+   */
+  isBetweenRowSpacer(row: Row): number {
+    return row.type & this.BETWEEN_ROW_SPACER;
+  }
+
+  /**
+   * Whether a measurable stores information about a top row.
+   *
+   * @param row The row to check.
+   * @returns 1 if the object stores information about a top row.
+   */
+  isTopRow(row: Row): number {
+    return row.type & this.TOP_ROW;
+  }
+
+  /**
+   * Whether a measurable stores information about a bottom row.
+   *
+   * @param row The row to check.
+   * @returns 1 if the object stores information about a bottom row.
+   */
+  isBottomRow(row: Row): number {
+    return row.type & this.BOTTOM_ROW;
+  }
+
+  /**
+   * Whether a measurable stores information about a top or bottom row.
+   *
+   * @param row The row to check.
+   * @returns 1 if the object stores information about a top or bottom row.
+   */
+  isTopOrBottomRow(row: Row): number {
+    return row.type & (this.TOP_ROW | this.BOTTOM_ROW);
+  }
+
+  /**
+   * Whether a measurable stores information about an input row.
+   *
+   * @param row The row to check.
+   * @returns 1 if the object stores information about an input row.
+   */
+  isInputRow(row: Row): number {
+    return row.type & this.INPUT_ROW;
+  }
+}
+
+export const Types = new TypesContainer();
diff --git a/core/renderers/minimalist/constants.js b/core/renderers/minimalist/constants.js
deleted file mode 100644
index fdcfc2767b6..00000000000
--- a/core/renderers/minimalist/constants.js
+++ /dev/null
@@ -1,29 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview An object that provides constants for rendering blocks in the
- * minimalist renderer.
- */
-'use strict';
-
-goog.provide('Blockly.minimalist.ConstantProvider');
-
-goog.require('Blockly.blockRendering.ConstantProvider');
-goog.require('Blockly.utils.object');
-
-
-/**
- * An object that provides constants for rendering blocks in the sample.
- * @constructor
- * @package
- * @extends {Blockly.blockRendering.ConstantProvider}
- */
-Blockly.minimalist.ConstantProvider = function() {
-  Blockly.minimalist.ConstantProvider.superClass_.constructor.call(this);
-};
-Blockly.utils.object.inherits(Blockly.minimalist.ConstantProvider,
-    Blockly.blockRendering.ConstantProvider);
diff --git a/core/renderers/minimalist/drawer.js b/core/renderers/minimalist/drawer.js
deleted file mode 100644
index 41a8e496b91..00000000000
--- a/core/renderers/minimalist/drawer.js
+++ /dev/null
@@ -1,32 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Minimalist rendering drawer.
- */
-'use strict';
-
-goog.provide('Blockly.minimalist.Drawer');
-
-goog.require('Blockly.blockRendering.Drawer');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.minimalist.RenderInfo');
-
-
-/**
- * An object that draws a block based on the given rendering information.
- * @param {!Blockly.BlockSvg} block The block to render.
- * @param {!Blockly.minimalist.RenderInfo} info An object containing all
- *   information needed to render this block.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Drawer}
- */
-Blockly.minimalist.Drawer = function(block, info) {
-  Blockly.minimalist.Drawer.superClass_.constructor.call(this, block, info);
-};
-Blockly.utils.object.inherits(Blockly.minimalist.Drawer,
-    Blockly.blockRendering.Drawer);
diff --git a/core/renderers/minimalist/info.js b/core/renderers/minimalist/info.js
deleted file mode 100644
index d7bbae6bff8..00000000000
--- a/core/renderers/minimalist/info.js
+++ /dev/null
@@ -1,45 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Minimalist render info object.
- */
-'use strict';
-
-goog.provide('Blockly.minimalist');
-goog.provide('Blockly.minimalist.RenderInfo');
-
-goog.require('Blockly.utils.object');
-
-
-/**
- * An object containing all sizing information needed to draw this block.
- *
- * This measure pass does not propagate changes to the block (although fields
- * may choose to rerender when getSize() is called).  However, calling it
- * repeatedly may be expensive.
- *
- * @param {!Blockly.minimalist.Renderer} renderer The renderer in use.
- * @param {!Blockly.BlockSvg} block The block to measure.
- * @constructor
- * @package
- * @extends {Blockly.blockRendering.RenderInfo}
- */
-Blockly.minimalist.RenderInfo = function(renderer, block) {
-  Blockly.minimalist.RenderInfo.superClass_.constructor.call(this, renderer, block);
-
-};
-Blockly.utils.object.inherits(Blockly.minimalist.RenderInfo,
-    Blockly.blockRendering.RenderInfo);
-
-/**
- * Get the block renderer in use.
- * @return {!Blockly.minimalist.Renderer} The block renderer in use.
- * @package
- */
-Blockly.minimalist.RenderInfo.prototype.getRenderer = function() {
-  return /** @type {!Blockly.minimalist.Renderer} */ (this.renderer_);
-};
diff --git a/core/renderers/minimalist/renderer.js b/core/renderers/minimalist/renderer.js
deleted file mode 100644
index f85bd9a40bf..00000000000
--- a/core/renderers/minimalist/renderer.js
+++ /dev/null
@@ -1,70 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Minimalist renderer.
- */
-'use strict';
-
-goog.provide('Blockly.minimalist.Renderer');
-
-goog.require('Blockly.blockRendering');
-goog.require('Blockly.blockRendering.Renderer');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.minimalist.ConstantProvider');
-goog.require('Blockly.minimalist.Drawer');
-goog.require('Blockly.minimalist.RenderInfo');
-
-
-/**
- * The minimalist renderer.
- * @param {string} name The renderer name.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Renderer}
- */
-Blockly.minimalist.Renderer = function(name) {
-  Blockly.minimalist.Renderer.superClass_.constructor.call(this, name);
-};
-Blockly.utils.object.inherits(Blockly.minimalist.Renderer,
-    Blockly.blockRendering.Renderer);
-
-/**
- * Create a new instance of the renderer's constant provider.
- * @return {!Blockly.minimalist.ConstantProvider} The constant provider.
- * @protected
- * @override
- */
-Blockly.minimalist.Renderer.prototype.makeConstants_ = function() {
-  return new Blockly.minimalist.ConstantProvider();
-};
-
-/**
- * Create a new instance of the renderer's render info object.
- * @param {!Blockly.BlockSvg} block The block to measure.
- * @return {!Blockly.minimalist.RenderInfo} The render info object.
- * @protected
- * @override
- */
-Blockly.minimalist.Renderer.prototype.makeRenderInfo_ = function(block) {
-  return new Blockly.minimalist.RenderInfo(this, block);
-};
-
-/**
- * Create a new instance of the renderer's drawer.
- * @param {!Blockly.BlockSvg} block The block to render.
- * @param {!Blockly.blockRendering.RenderInfo} info An object containing all
- *   information needed to render this block.
- * @return {!Blockly.minimalist.Drawer} The drawer.
- * @protected
- * @override
- */
-Blockly.minimalist.Renderer.prototype.makeDrawer_ = function(block, info) {
-  return new Blockly.minimalist.Drawer(block,
-      /** @type {!Blockly.minimalist.RenderInfo} */ (info));
-};
-
-Blockly.blockRendering.register('minimalist', Blockly.minimalist.Renderer);
diff --git a/core/renderers/thrasos/info.js b/core/renderers/thrasos/info.js
deleted file mode 100644
index 480822231e9..00000000000
--- a/core/renderers/thrasos/info.js
+++ /dev/null
@@ -1,338 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview New (evolving) renderer.
- * Thrasos: spirit of boldness.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.thrasos');
-goog.provide('Blockly.thrasos.RenderInfo');
-
-goog.require('Blockly.blockRendering.BottomRow');
-goog.require('Blockly.blockRendering.ExternalValueInput');
-goog.require('Blockly.blockRendering.InlineInput');
-goog.require('Blockly.blockRendering.InputRow');
-goog.require('Blockly.blockRendering.Measurable');
-goog.require('Blockly.blockRendering.NextConnection');
-goog.require('Blockly.blockRendering.OutputConnection');
-goog.require('Blockly.blockRendering.PreviousConnection');
-goog.require('Blockly.blockRendering.RenderInfo');
-goog.require('Blockly.blockRendering.Row');
-goog.require('Blockly.blockRendering.SpacerRow');
-goog.require('Blockly.blockRendering.StatementInput');
-goog.require('Blockly.blockRendering.TopRow');
-goog.require('Blockly.blockRendering.Types');
-goog.require('Blockly.utils.object');
-
-
-/**
- * An object containing all sizing information needed to draw this block.
- *
- * This measure pass does not propagate changes to the block (although fields
- * may choose to rerender when getSize() is called).  However, calling it
- * repeatedly may be expensive.
- *
- * @param {!Blockly.thrasos.Renderer} renderer The renderer in use.
- * @param {!Blockly.BlockSvg} block The block to measure.
- * @constructor
- * @package
- * @extends {Blockly.blockRendering.RenderInfo}
- */
-Blockly.thrasos.RenderInfo = function(renderer, block) {
-  Blockly.thrasos.RenderInfo.superClass_.constructor.call(this, renderer, block);
-};
-Blockly.utils.object.inherits(Blockly.thrasos.RenderInfo,
-    Blockly.blockRendering.RenderInfo);
-
-/**
- * Get the block renderer in use.
- * @return {!Blockly.thrasos.Renderer} The block renderer in use.
- * @package
- */
-Blockly.thrasos.RenderInfo.prototype.getRenderer = function() {
-  return /** @type {!Blockly.thrasos.Renderer} */ (this.renderer_);
-};
-
-/**
- * @override
- */
-Blockly.thrasos.RenderInfo.prototype.addElemSpacing_ = function() {
-  var hasExternalInputs = false;
-  for (var i = 0, row; (row = this.rows[i]); i++) {
-    if (row.hasExternalInput) {
-      hasExternalInputs = true;
-    }
-  }
-  for (var i = 0, row; (row = this.rows[i]); i++) {
-    var oldElems = row.elements;
-    row.elements = [];
-    // No spacing needed before the corner on the top row or the bottom row.
-    if (row.startsWithElemSpacer()) {
-      // There's a spacer before the first element in the row.
-      row.elements.push(new Blockly.blockRendering.InRowSpacer(
-          this.constants_, this.getInRowSpacing_(null, oldElems[0])));
-    }
-    for (var e = 0; e < oldElems.length - 1; e++) {
-      row.elements.push(oldElems[e]);
-      var spacing = this.getInRowSpacing_(oldElems[e], oldElems[e + 1]);
-      row.elements.push(
-          new Blockly.blockRendering.InRowSpacer(this.constants_, spacing));
-    }
-    row.elements.push(oldElems[oldElems.length - 1]);
-    if (row.endsWithElemSpacer()) {
-      var spacing = this.getInRowSpacing_(oldElems[oldElems.length - 1], null);
-      if (hasExternalInputs && row.hasDummyInput) {
-        spacing += this.constants_.TAB_WIDTH;
-      }
-      // There's a spacer after the last element in the row.
-      row.elements.push(new Blockly.blockRendering.InRowSpacer(
-          this.constants_, spacing));
-    }
-  }
-};
-
-/**
- * @override
- */
-Blockly.thrasos.RenderInfo.prototype.getInRowSpacing_ = function(prev, next) {
-  if (!prev) {
-    // Between an editable field and the beginning of the row.
-    if (next && Blockly.blockRendering.Types.isField(next) &&
-        (/** @type Blockly.blockRendering.Field */ (next)).isEditable) {
-      return this.constants_.MEDIUM_PADDING;
-    }
-    // Inline input at the beginning of the row.
-    if (next && Blockly.blockRendering.Types.isInlineInput(next)) {
-      return this.constants_.MEDIUM_LARGE_PADDING;
-    }
-    if (next && Blockly.blockRendering.Types.isStatementInput(next)) {
-      return this.constants_.STATEMENT_INPUT_PADDING_LEFT;
-    }
-    // Anything else at the beginning of the row.
-    return this.constants_.LARGE_PADDING;
-  }
-
-  // Spacing between a non-input and the end of the row.
-  if (!Blockly.blockRendering.Types.isInput(prev) && !next) {
-    // Between an editable field and the end of the row.
-    if (Blockly.blockRendering.Types.isField(prev) &&
-        (/** @type Blockly.blockRendering.Field */ (prev)).isEditable) {
-      return this.constants_.MEDIUM_PADDING;
-    }
-    // Padding at the end of an icon-only row to make the block shape clearer.
-    if (Blockly.blockRendering.Types.isIcon(prev)) {
-      return (this.constants_.LARGE_PADDING * 2) + 1;
-    }
-    if (Blockly.blockRendering.Types.isHat(prev)) {
-      return this.constants_.NO_PADDING;
-    }
-    // Establish a minimum width for a block with a previous or next connection.
-    if (Blockly.blockRendering.Types.isPreviousOrNextConnection(prev)) {
-      return this.constants_.LARGE_PADDING;
-    }
-    // Between rounded corner and the end of the row.
-    if (Blockly.blockRendering.Types.isLeftRoundedCorner(prev)) {
-      return this.constants_.MIN_BLOCK_WIDTH;
-    }
-    // Between a jagged edge and the end of the row.
-    if (Blockly.blockRendering.Types.isJaggedEdge(prev)) {
-      return this.constants_.NO_PADDING;
-    }
-    // Between noneditable fields and icons and the end of the row.
-    return this.constants_.LARGE_PADDING;
-  }
-
-  // Between inputs and the end of the row.
-  if (Blockly.blockRendering.Types.isInput(prev) && !next) {
-    if (Blockly.blockRendering.Types.isExternalInput(prev)) {
-      return this.constants_.NO_PADDING;
-    } else if (Blockly.blockRendering.Types.isInlineInput(prev)) {
-      return this.constants_.LARGE_PADDING;
-    } else if (Blockly.blockRendering.Types.isStatementInput(prev)) {
-      return this.constants_.NO_PADDING;
-    }
-  }
-
-  // Spacing between a non-input and an input.
-  if (!Blockly.blockRendering.Types.isInput(prev) &&
-      next && Blockly.blockRendering.Types.isInput(next)) {
-    // Between an editable field and an input.
-    if (Blockly.blockRendering.Types.isField(prev) &&
-        (/** @type Blockly.blockRendering.Field */ (prev)).isEditable) {
-      if (Blockly.blockRendering.Types.isInlineInput(next)) {
-        return this.constants_.SMALL_PADDING;
-      } else if (Blockly.blockRendering.Types.isExternalInput(next)) {
-        return this.constants_.SMALL_PADDING;
-      }
-    } else {
-      if (Blockly.blockRendering.Types.isInlineInput(next)) {
-        return this.constants_.MEDIUM_LARGE_PADDING;
-      } else if (Blockly.blockRendering.Types.isExternalInput(next)) {
-        return this.constants_.MEDIUM_LARGE_PADDING;
-      } else if (Blockly.blockRendering.Types.isStatementInput(next)) {
-        return this.constants_.LARGE_PADDING;
-      }
-    }
-    return this.constants_.LARGE_PADDING - 1;
-  }
-
-  // Spacing between an icon and an icon or field.
-  if (Blockly.blockRendering.Types.isIcon(prev) &&
-      next && !Blockly.blockRendering.Types.isInput(next)) {
-    return this.constants_.LARGE_PADDING;
-  }
-
-  // Spacing between an inline input and a field.
-  if (Blockly.blockRendering.Types.isInlineInput(prev) &&
-      next && Blockly.blockRendering.Types.isField(next)) {
-    // Editable field after inline input.
-    if ((/** @type Blockly.blockRendering.Field */ (next)).isEditable) {
-      return this.constants_.MEDIUM_PADDING;
-    } else {
-      // Noneditable field after inline input.
-      return this.constants_.LARGE_PADDING;
-    }
-  }
-
-  if (Blockly.blockRendering.Types.isLeftSquareCorner(prev) && next) {
-    // Spacing between a hat and a corner
-    if (Blockly.blockRendering.Types.isHat(next)) {
-      return this.constants_.NO_PADDING;
-    }
-    // Spacing between a square corner and a previous or next connection
-    if (Blockly.blockRendering.Types.isPreviousConnection(next) ||
-        Blockly.blockRendering.Types.isNextConnection(next)) {
-      return next.notchOffset;
-    }
-  }
-
-  // Spacing between a rounded corner and a previous or next connection.
-  if (Blockly.blockRendering.Types.isLeftRoundedCorner(prev) && next) {
-    return next.notchOffset - this.constants_.CORNER_RADIUS;
-  }
-
-  // Spacing between two fields of the same editability.
-  if (Blockly.blockRendering.Types.isField(prev) &&
-      next && Blockly.blockRendering.Types.isField(next) &&
-      ((/** @type Blockly.blockRendering.Field */ (prev)).isEditable ==
-          (/** @type Blockly.blockRendering.Field */ (next)).isEditable)) {
-    return this.constants_.LARGE_PADDING;
-  }
-
-  // Spacing between anything and a jagged edge.
-  if (next && Blockly.blockRendering.Types.isJaggedEdge(next)) {
-    return this.constants_.LARGE_PADDING;
-  }
-
-  return this.constants_.MEDIUM_PADDING;
-};
-
-/**
- * @override
- */
-Blockly.thrasos.RenderInfo.prototype.getSpacerRowHeight_ = function(
-    prev, next) {
-  // If we have an empty block add a spacer to increase the height.
-  if (Blockly.blockRendering.Types.isTopRow(prev) &&
-      Blockly.blockRendering.Types.isBottomRow(next)) {
-    return this.constants_.EMPTY_BLOCK_SPACER_HEIGHT;
-  }
-  // Top and bottom rows act as a spacer so we don't need any extra padding.
-  if (Blockly.blockRendering.Types.isTopRow(prev) ||
-      Blockly.blockRendering.Types.isBottomRow(next)) {
-    return this.constants_.NO_PADDING;
-  }
-  if (prev.hasExternalInput && next.hasExternalInput) {
-    return this.constants_.LARGE_PADDING;
-  }
-  if (!prev.hasStatement && next.hasStatement) {
-    return this.constants_.BETWEEN_STATEMENT_PADDING_Y;
-  }
-  if (prev.hasStatement && next.hasStatement) {
-    return this.constants_.LARGE_PADDING;
-  }
-  if (prev.hasDummyInput || next.hasDummyInput) {
-    return this.constants_.LARGE_PADDING;
-  }
-  return this.constants_.MEDIUM_PADDING;
-};
-
-/**
- * @override
- */
-Blockly.thrasos.RenderInfo.prototype.getElemCenterline_ = function(row, elem) {
-  if (Blockly.blockRendering.Types.isSpacer(elem)) {
-    return row.yPos + elem.height / 2;
-  }
-  if (Blockly.blockRendering.Types.isBottomRow(row)) {
-    var baseline = row.yPos + row.height - row.descenderHeight;
-    if (Blockly.blockRendering.Types.isNextConnection(elem)) {
-      return baseline + elem.height / 2;
-    }
-    return baseline - elem.height / 2;
-  }
-  if (Blockly.blockRendering.Types.isTopRow(row)) {
-    if (Blockly.blockRendering.Types.isHat(elem)) {
-      return row.capline - elem.height / 2;
-    }
-    return row.capline + elem.height / 2;
-  }
-
-  var result = row.yPos;
-  if (Blockly.blockRendering.Types.isField(elem) && row.hasStatement) {
-    var offset = this.constants_.TALL_INPUT_FIELD_OFFSET_Y +
-        elem.height / 2;
-    result += offset;
-  } else {
-    result += (row.height / 2);
-  }
-  return result;
-};
-
-/**
- * @override
- */
-Blockly.thrasos.RenderInfo.prototype.finalize_ = function() {
-  // Performance note: this could be combined with the draw pass, if the time
-  // that this takes is excessive.  But it shouldn't be, because it only
-  // accesses and sets properties that already exist on the objects.
-  var widestRowWithConnectedBlocks = 0;
-  var yCursor = 0;
-  for (var i = 0, row; (row = this.rows[i]); i++) {
-    row.yPos = yCursor;
-    row.xPos = this.startX;
-    yCursor += row.height;
-
-    widestRowWithConnectedBlocks =
-        Math.max(widestRowWithConnectedBlocks, row.widthWithConnectedBlocks);
-    // Add padding to the bottom row if block height is less than minimum
-    var heightWithoutHat = yCursor - this.topRow.ascenderHeight;
-    if (row == this.bottomRow &&
-        heightWithoutHat < this.constants_.MIN_BLOCK_HEIGHT) {
-      // But the hat height shouldn't be part of this.
-      var diff = this.constants_.MIN_BLOCK_HEIGHT - heightWithoutHat;
-      this.bottomRow.height += diff;
-      yCursor += diff;
-    }
-    this.recordElemPositions_(row);
-  }
-  if (this.outputConnection && this.block_.nextConnection &&
-      this.block_.nextConnection.isConnected()) {
-    // Include width of connected block in value to stack width measurement.
-    widestRowWithConnectedBlocks =
-        Math.max(widestRowWithConnectedBlocks,
-            this.block_.nextConnection.targetBlock().getHeightWidth().width);
-  }
-
-  this.bottomRow.baseline = yCursor - this.bottomRow.descenderHeight;
-  this.widthWithChildren = widestRowWithConnectedBlocks + this.startX;
-
-  this.height = yCursor;
-  this.startY = this.topRow.capline;
-};
diff --git a/core/renderers/thrasos/info.ts b/core/renderers/thrasos/info.ts
new file mode 100644
index 00000000000..789897209a9
--- /dev/null
+++ b/core/renderers/thrasos/info.ts
@@ -0,0 +1,328 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.thrasos.RenderInfo
+
+import type {BlockSvg} from '../../block_svg.js';
+import {RenderInfo as BaseRenderInfo} from '../common/info.js';
+import type {Measurable} from '../measurables/base.js';
+import type {BottomRow} from '../measurables/bottom_row.js';
+import type {Field} from '../measurables/field.js';
+import {InRowSpacer} from '../measurables/in_row_spacer.js';
+import type {Row} from '../measurables/row.js';
+import type {TopRow} from '../measurables/top_row.js';
+import {Types} from '../measurables/types.js';
+
+import type {Renderer} from './renderer.js';
+
+/**
+ * An object containing all sizing information needed to draw this block.
+ *
+ * This measure pass does not propagate changes to the block (although fields
+ * may choose to rerender when getSize() is called).  However, calling it
+ * repeatedly may be expensive.
+ */
+export class RenderInfo extends BaseRenderInfo {
+  // Exclamation is fine b/c this is assigned by the super constructor.
+  protected override renderer_!: Renderer;
+
+  /**
+   * @param renderer The renderer in use.
+   * @param block The block to measure.
+   */
+  constructor(renderer: Renderer, block: BlockSvg) {
+    super(renderer, block);
+  }
+
+  /**
+   * Get the block renderer in use.
+   *
+   * @returns The block renderer in use.
+   */
+  override getRenderer(): Renderer {
+    return this.renderer_;
+  }
+
+  override addElemSpacing_() {
+    let hasExternalInputs = false;
+    for (let i = 0; i < this.rows.length; i++) {
+      const row = this.rows[i];
+      if (row.hasExternalInput) {
+        hasExternalInputs = true;
+        break;
+      }
+    }
+    for (let i = 0; i < this.rows.length; i++) {
+      const row = this.rows[i];
+      const oldElems = row.elements;
+      row.elements = [];
+      // No spacing needed before the corner on the top row or the bottom row.
+      if (row.startsWithElemSpacer()) {
+        // There's a spacer before the first element in the row.
+        row.elements.push(
+          new InRowSpacer(
+            this.constants_,
+            this.getInRowSpacing_(null, oldElems[0]),
+          ),
+        );
+      }
+      if (!oldElems.length) {
+        continue;
+      }
+      for (let e = 0; e < oldElems.length - 1; e++) {
+        row.elements.push(oldElems[e]);
+        const spacing = this.getInRowSpacing_(oldElems[e], oldElems[e + 1]);
+        row.elements.push(new InRowSpacer(this.constants_, spacing));
+      }
+      row.elements.push(oldElems[oldElems.length - 1]);
+      if (row.endsWithElemSpacer()) {
+        let spacing = this.getInRowSpacing_(
+          oldElems[oldElems.length - 1],
+          null,
+        );
+        if (hasExternalInputs && row.hasDummyInput) {
+          spacing += this.constants_.TAB_WIDTH;
+        }
+        // There's a spacer after the last element in the row.
+        row.elements.push(new InRowSpacer(this.constants_, spacing));
+      }
+    }
+  }
+
+  override getInRowSpacing_(prev: Measurable | null, next: Measurable | null) {
+    if (!prev) {
+      // Between an editable field and the beginning of the row.
+      if (next && Types.isField(next) && (next as Field).isEditable) {
+        return this.constants_.MEDIUM_PADDING;
+      }
+      // Inline input at the beginning of the row.
+      if (next && Types.isInlineInput(next)) {
+        return this.constants_.MEDIUM_LARGE_PADDING;
+      }
+      if (next && Types.isStatementInput(next)) {
+        return this.constants_.STATEMENT_INPUT_PADDING_LEFT;
+      }
+      // Anything else at the beginning of the row.
+      return this.constants_.LARGE_PADDING;
+    }
+
+    // Spacing between a non-input and the end of the row.
+    if (!Types.isInput(prev) && !next) {
+      // Between an editable field and the end of the row.
+      if (Types.isField(prev) && (prev as Field).isEditable) {
+        return this.constants_.MEDIUM_PADDING;
+      }
+      // Padding at the end of an icon-only row to make the block shape clearer.
+      if (Types.isIcon(prev)) {
+        return this.constants_.LARGE_PADDING * 2 + 1;
+      }
+      if (Types.isHat(prev)) {
+        return this.constants_.NO_PADDING;
+      }
+      // Establish a minimum width for a block with a previous or next
+      // connection.
+      if (Types.isPreviousOrNextConnection(prev)) {
+        return this.constants_.LARGE_PADDING;
+      }
+      // Between rounded corner and the end of the row.
+      if (Types.isLeftRoundedCorner(prev)) {
+        return this.constants_.MIN_BLOCK_WIDTH;
+      }
+      // Between a jagged edge and the end of the row.
+      if (Types.isJaggedEdge(prev)) {
+        return this.constants_.NO_PADDING;
+      }
+      // Between noneditable fields and icons and the end of the row.
+      return this.constants_.LARGE_PADDING;
+    }
+    // Between inputs and the end of the row.
+    if (Types.isInput(prev) && !next) {
+      if (Types.isExternalInput(prev)) {
+        return this.constants_.NO_PADDING;
+      } else if (Types.isInlineInput(prev)) {
+        return this.constants_.LARGE_PADDING;
+      } else if (Types.isStatementInput(prev)) {
+        return this.constants_.NO_PADDING;
+      }
+    }
+
+    // Spacing between a non-input and an input.
+    if (!Types.isInput(prev) && next && Types.isInput(next)) {
+      // Between an editable field and an input.
+      if (Types.isField(prev) && (prev as Field).isEditable) {
+        if (Types.isInlineInput(next)) {
+          return this.constants_.SMALL_PADDING;
+        } else if (Types.isExternalInput(next)) {
+          return this.constants_.SMALL_PADDING;
+        }
+      } else {
+        if (Types.isInlineInput(next)) {
+          return this.constants_.MEDIUM_LARGE_PADDING;
+        } else if (Types.isExternalInput(next)) {
+          return this.constants_.MEDIUM_LARGE_PADDING;
+        } else if (Types.isStatementInput(next)) {
+          return this.constants_.LARGE_PADDING;
+        }
+      }
+      return this.constants_.LARGE_PADDING - 1;
+    }
+
+    // Spacing between an icon and an icon or field.
+    if (Types.isIcon(prev) && next && !Types.isInput(next)) {
+      return this.constants_.LARGE_PADDING;
+    }
+
+    // Spacing between an inline input and a field.
+    if (Types.isInlineInput(prev) && next && Types.isField(next)) {
+      // Editable field after inline input.
+      if ((next as Field).isEditable) {
+        return this.constants_.MEDIUM_PADDING;
+      } else {
+        // Noneditable field after inline input.
+        return this.constants_.LARGE_PADDING;
+      }
+    }
+
+    if (Types.isLeftSquareCorner(prev) && next) {
+      // Spacing between a hat and a corner
+      if (Types.isHat(next)) {
+        return this.constants_.NO_PADDING;
+      }
+      // Spacing between a square corner and a previous or next connection
+      if (Types.isPreviousConnection(next) || Types.isNextConnection(next)) {
+        return next.notchOffset;
+      }
+    }
+    // Spacing between a rounded corner and a previous or next connection.
+    if (Types.isLeftRoundedCorner(prev) && next) {
+      return next.notchOffset - this.constants_.CORNER_RADIUS;
+    }
+
+    // Spacing between two fields of the same editability.
+    if (
+      Types.isField(prev) &&
+      next &&
+      Types.isField(next) &&
+      (prev as Field).isEditable === (next as Field).isEditable
+    ) {
+      return this.constants_.LARGE_PADDING;
+    }
+
+    // Spacing between anything and a jagged edge.
+    if (next && Types.isJaggedEdge(next)) {
+      return this.constants_.LARGE_PADDING;
+    }
+
+    return this.constants_.MEDIUM_PADDING;
+  }
+
+  override getSpacerRowHeight_(prev: Row, next: Row) {
+    // If we have an empty block add a spacer to increase the height.
+    if (Types.isTopRow(prev) && Types.isBottomRow(next)) {
+      return this.constants_.EMPTY_BLOCK_SPACER_HEIGHT;
+    }
+    // Top and bottom rows act as a spacer so we don't need any extra padding.
+    if (Types.isTopRow(prev) || Types.isBottomRow(next)) {
+      return this.constants_.NO_PADDING;
+    }
+    if (prev.hasExternalInput && next.hasExternalInput) {
+      return this.constants_.LARGE_PADDING;
+    }
+    if (!prev.hasStatement && next.hasStatement) {
+      return this.constants_.BETWEEN_STATEMENT_PADDING_Y;
+    }
+    if (prev.hasStatement && next.hasStatement) {
+      return this.constants_.LARGE_PADDING;
+    }
+    if (prev.hasDummyInput || next.hasDummyInput) {
+      return this.constants_.LARGE_PADDING;
+    }
+    return this.constants_.MEDIUM_PADDING;
+  }
+
+  override getElemCenterline_(row: Row, elem: Measurable) {
+    if (Types.isSpacer(elem)) {
+      return row.yPos + elem.height / 2;
+    }
+    if (Types.isBottomRow(row)) {
+      const bottomRow = row as BottomRow;
+      const baseline =
+        bottomRow.yPos + bottomRow.height - bottomRow.descenderHeight;
+      if (Types.isNextConnection(elem)) {
+        return baseline + elem.height / 2;
+      }
+      return baseline - elem.height / 2;
+    }
+    if (Types.isTopRow(row)) {
+      const topRow = row as TopRow;
+      if (Types.isHat(elem)) {
+        return topRow.capline - elem.height / 2;
+      }
+      return topRow.capline + elem.height / 2;
+    }
+
+    let result = row.yPos;
+    if (Types.isField(elem) && row.hasStatement) {
+      const offset =
+        this.constants_.TALL_INPUT_FIELD_OFFSET_Y + elem.height / 2;
+      result += offset;
+    } else {
+      result += row.height / 2;
+    }
+    return result;
+  }
+
+  override finalize_() {
+    // Performance note: this could be combined with the draw pass, if the time
+    // that this takes is excessive.  But it shouldn't be, because it only
+    // accesses and sets properties that already exist on the objects.
+    let widestRowWithConnectedBlocks = 0;
+    let yCursor = 0;
+    for (let i = 0; i < this.rows.length; i++) {
+      const row = this.rows[i];
+      row.yPos = yCursor;
+      row.xPos = this.startX;
+      yCursor += row.height;
+
+      widestRowWithConnectedBlocks = Math.max(
+        widestRowWithConnectedBlocks,
+        row.widthWithConnectedBlocks,
+      );
+      // Add padding to the bottom row if block height is less than minimum
+      const heightWithoutHat = yCursor - this.topRow.ascenderHeight;
+      if (
+        row === this.bottomRow &&
+        heightWithoutHat < this.constants_.MIN_BLOCK_HEIGHT
+      ) {
+        // But the hat height shouldn't be part of this.
+        const diff = this.constants_.MIN_BLOCK_HEIGHT - heightWithoutHat;
+        this.bottomRow.height += diff;
+        yCursor += diff;
+      }
+      this.recordElemPositions_(row);
+    }
+    if (
+      this.outputConnection &&
+      this.block_.nextConnection &&
+      this.block_.nextConnection.isConnected()
+    ) {
+      const target = this.block_.nextConnection.targetBlock();
+      if (target) {
+        // Include width of connected block in value to stack width measurement.
+        widestRowWithConnectedBlocks = Math.max(
+          widestRowWithConnectedBlocks,
+          target.getHeightWidth().width,
+        );
+      }
+    }
+
+    this.bottomRow.baseline = yCursor - this.bottomRow.descenderHeight;
+    this.widthWithChildren = widestRowWithConnectedBlocks + this.startX;
+
+    this.height = yCursor;
+    this.startY = this.topRow.capline;
+  }
+}
diff --git a/core/renderers/thrasos/renderer.js b/core/renderers/thrasos/renderer.js
deleted file mode 100644
index fae501b1c69..00000000000
--- a/core/renderers/thrasos/renderer.js
+++ /dev/null
@@ -1,45 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Thrasos renderer.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.thrasos.Renderer');
-
-goog.require('Blockly.blockRendering');
-goog.require('Blockly.blockRendering.Renderer');
-goog.require('Blockly.thrasos.RenderInfo');
-goog.require('Blockly.utils.object');
-
-/**
- * The thrasos renderer.
- * @param {string} name The renderer name.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Renderer}
- */
-Blockly.thrasos.Renderer = function(name) {
-  Blockly.thrasos.Renderer.superClass_.constructor.call(this, name);
-};
-Blockly.utils.object.inherits(Blockly.thrasos.Renderer,
-    Blockly.blockRendering.Renderer);
-
-/**
- * Create a new instance of the renderer's render info object.
- * @param {!Blockly.BlockSvg} block The block to measure.
- * @return {!Blockly.thrasos.RenderInfo} The render info object.
- * @protected
- * @override
- */
-Blockly.thrasos.Renderer.prototype.makeRenderInfo_ = function(block) {
-  return new Blockly.thrasos.RenderInfo(this, block);
-};
-
-
-Blockly.blockRendering.register('thrasos', Blockly.thrasos.Renderer);
diff --git a/core/renderers/thrasos/renderer.ts b/core/renderers/thrasos/renderer.ts
new file mode 100644
index 00000000000..513cadc7892
--- /dev/null
+++ b/core/renderers/thrasos/renderer.ts
@@ -0,0 +1,40 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.thrasos.Renderer
+
+import type {BlockSvg} from '../../block_svg.js';
+import * as blockRendering from '../common/block_rendering.js';
+import {Renderer as BaseRenderer} from '../common/renderer.js';
+
+import {RenderInfo} from './info.js';
+
+/**
+ * The thrasos renderer. This is a more modern take on the legacy geras
+ * renderer.
+ *
+ * Thrasos is the ancient Greek spirit of boldness.
+ */
+export class Renderer extends BaseRenderer {
+  /**
+   * @param name The renderer name.
+   */
+  constructor(name: string) {
+    super(name);
+  }
+
+  /**
+   * Create a new instance of the renderer's render info object.
+   *
+   * @param block The block to measure.
+   * @returns The render info object.
+   */
+  protected override makeRenderInfo_(block: BlockSvg): RenderInfo {
+    return new RenderInfo(this, block);
+  }
+}
+
+blockRendering.register('thrasos', Renderer);
diff --git a/core/renderers/thrasos/thrasos.ts b/core/renderers/thrasos/thrasos.ts
new file mode 100644
index 00000000000..22ee013f514
--- /dev/null
+++ b/core/renderers/thrasos/thrasos.ts
@@ -0,0 +1,14 @@
+/** @file Re-exports of Blockly.thrasos.* modules. */
+
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.thrasos
+
+import {RenderInfo} from './info.js';
+import {Renderer} from './renderer.js';
+
+export {Renderer, RenderInfo};
diff --git a/core/renderers/zelos/constants.js b/core/renderers/zelos/constants.js
deleted file mode 100644
index 151a7b1b5b4..00000000000
--- a/core/renderers/zelos/constants.js
+++ /dev/null
@@ -1,1002 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview An object that provides constants for rendering blocks in Zelos
- * mode.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.zelos.ConstantProvider');
-
-goog.require('Blockly.blockRendering.ConstantProvider');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.utils.svgPaths');
-
-
-/**
- * An object that provides constants for rendering blocks in Zelos mode.
- * @constructor
- * @package
- * @extends {Blockly.blockRendering.ConstantProvider}
- */
-Blockly.zelos.ConstantProvider = function() {
-  Blockly.zelos.ConstantProvider.superClass_.constructor.call(this);
-
-  this.GRID_UNIT = 4;
-
-  /**
-   * @override
-   */
-  this.SMALL_PADDING = this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.MEDIUM_PADDING = 2 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.MEDIUM_LARGE_PADDING = 3 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.LARGE_PADDING = 4 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.CORNER_RADIUS = 1 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.NOTCH_WIDTH = 9 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.NOTCH_HEIGHT = 2 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.NOTCH_OFFSET_LEFT = 3 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.STATEMENT_INPUT_NOTCH_OFFSET = this.NOTCH_OFFSET_LEFT;
-
-  /**
-   * @override
-   */
-  this.MIN_BLOCK_WIDTH = 2 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.MIN_BLOCK_HEIGHT = 12 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.EMPTY_STATEMENT_INPUT_HEIGHT = 6 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.TAB_OFFSET_FROM_TOP = 0;
-
-  /**
-   * @override
-   */
-  this.TOP_ROW_MIN_HEIGHT = this.CORNER_RADIUS;
-
-  /**
-   * @override
-   */
-  this.TOP_ROW_PRECEDES_STATEMENT_MIN_HEIGHT = this.LARGE_PADDING;
-
-  /**
-   * @override
-   */
-  this.BOTTOM_ROW_MIN_HEIGHT = this.CORNER_RADIUS;
-
-  /**
-   * @override
-   */
-  this.BOTTOM_ROW_AFTER_STATEMENT_MIN_HEIGHT = 6 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.STATEMENT_BOTTOM_SPACER = -this.NOTCH_HEIGHT;
-
-  /**
-   * Minimum statement input spacer width.
-   * @type {number}
-   */
-  this.STATEMENT_INPUT_SPACER_MIN_WIDTH = 40 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.STATEMENT_INPUT_PADDING_LEFT = 4 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.EMPTY_INLINE_INPUT_PADDING = 4 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.EMPTY_INLINE_INPUT_HEIGHT = 8 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.DUMMY_INPUT_MIN_HEIGHT = 8 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.DUMMY_INPUT_SHADOW_MIN_HEIGHT = 6 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.CURSOR_WS_WIDTH = 20 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.CURSOR_COLOUR = '#ffa200';
-
-  /**
-   * Radius of the cursor for input and output connections.
-   * @type {number}
-   * @package
-   */
-  this.CURSOR_RADIUS = 5;
-
-  /**
-   * @override
-   */
-  this.JAGGED_TEETH_HEIGHT = 0;
-
-  /**
-   * @override
-   */
-  this.JAGGED_TEETH_WIDTH = 0;
-
-  /**
-   * @override
-   */
-  this.START_HAT_HEIGHT = 22;
-
-  /**
-   * @override
-   */
-  this.START_HAT_WIDTH = 96;
-
-  /**
-   * @enum {number}
-   * @override
-   */
-  this.SHAPES = {
-    HEXAGONAL: 1,
-    ROUND: 2,
-    SQUARE: 3,
-    PUZZLE: 4,
-    NOTCH: 5
-  };
-
-  /**
-   * Map of output/input shapes and the amount they should cause a block to be
-   * padded. Outer key is the outer shape, inner key is the inner shape.
-   * When a block with the outer shape contains an input block with the inner
-   * shape on its left or right edge, the block elements are aligned such that
-   * the padding specified is reached.
-   * @package
-   */
-  this.SHAPE_IN_SHAPE_PADDING = {
-    1: { // Outer shape: hexagon.
-      0: 5 * this.GRID_UNIT, // Field in hexagon.
-      1: 2 * this.GRID_UNIT, // Hexagon in hexagon.
-      2: 5 * this.GRID_UNIT, // Round in hexagon.
-      3: 5 * this.GRID_UNIT  // Square in hexagon.
-    },
-    2: { // Outer shape: round.
-      0: 3 * this.GRID_UNIT, // Field in round.
-      1: 3 * this.GRID_UNIT, // Hexagon in round.
-      2: 1 * this.GRID_UNIT, // Round in round.
-      3: 2 * this.GRID_UNIT  // Square in round.
-    },
-    3: { // Outer shape: square.
-      0: 2 * this.GRID_UNIT, // Field in square.
-      1: 2 * this.GRID_UNIT, // Hexagon in square.
-      2: 2 * this.GRID_UNIT, // Round in square.
-      3: 2 * this.GRID_UNIT  // Square in square.
-    }
-  };
-
-  /**
-   * @override
-   */
-  this.FULL_BLOCK_FIELDS = true;
-
-  /**
-   * @override
-   */
-  this.FIELD_TEXT_FONTSIZE = 3 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.FIELD_TEXT_FONTWEIGHT = 'bold';
-
-  /**
-   * @override
-   */
-  this.FIELD_TEXT_FONTFAMILY =
-    '"Helvetica Neue", "Segoe UI", Helvetica, sans-serif';
-
-  /**
-   * @override
-   */
-  this.FIELD_BORDER_RECT_RADIUS = this.CORNER_RADIUS;
-
-  /**
-   * @override
-   */
-  this.FIELD_BORDER_RECT_X_PADDING = 2 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.FIELD_BORDER_RECT_Y_PADDING = 1.625 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.FIELD_BORDER_RECT_HEIGHT = 8 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.FIELD_DROPDOWN_BORDER_RECT_HEIGHT = 8 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW = true;
-
-  /**
-   * @override
-   */
-  this.FIELD_DROPDOWN_COLOURED_DIV = true;
-
-  /**
-   * @override
-   */
-  this.FIELD_DROPDOWN_SVG_ARROW = true;
-
-  /**
-   * @override
-   */
-  this.FIELD_DROPDOWN_SVG_ARROW_PADDING = this.FIELD_BORDER_RECT_X_PADDING;
-
-  /**
-   * @override
-   */
-  this.FIELD_TEXTINPUT_BOX_SHADOW = true;
-
-  /**
-   * @override
-   */
-  this.FIELD_COLOUR_FULL_BLOCK = true;
-
-  /**
-   * @override
-   */
-  this.FIELD_COLOUR_DEFAULT_WIDTH = 2 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.FIELD_COLOUR_DEFAULT_HEIGHT = 4 * this.GRID_UNIT;
-
-  /**
-   * @override
-   */
-  this.FIELD_CHECKBOX_X_OFFSET = 1 * this.GRID_UNIT;
-
-  /**
-   * The maximum width of a dynamic connection shape.
-   * @type {number}
-   */
-  this.MAX_DYNAMIC_CONNECTION_SHAPE_WIDTH = 12 * this.GRID_UNIT;
-
-  /**
-   * The selected glow colour.
-   * @type {string}
-   */
-  this.SELECTED_GLOW_COLOUR = '#fff200';
-
-  /**
-   * The size of the selected glow.
-   * @type {number}
-   */
-  this.SELECTED_GLOW_SIZE = 0.5;
-
-  /**
-   * The replacement glow colour.
-   * @type {string}
-   */
-  this.REPLACEMENT_GLOW_COLOUR = '#fff200';
-
-  /**
-   * The size of the selected glow.
-   * @type {number}
-   */
-  this.REPLACEMENT_GLOW_SIZE = 2;
-
-  /**
-   * The ID of the selected glow filter, or the empty string if no filter is
-   * set.
-   * @type {string}
-   * @package
-   */
-  this.selectedGlowFilterId = '';
-
-  /**
-   * The <filter> element to use for a selected glow, or null if not set.
-   * @type {SVGElement}
-   * @private
-   */
-  this.selectedGlowFilter_ = null;
-
-  /**
-   * The ID of the replacement glow filter, or the empty string if no filter is
-   * set.
-   * @type {string}
-   * @package
-   */
-  this.replacementGlowFilterId = '';
-
-  /**
-   * The <filter> element to use for a replacement glow, or null if not set.
-   * @type {SVGElement}
-   * @private
-   */
-  this.replacementGlowFilter_ = null;
-};
-Blockly.utils.object.inherits(Blockly.zelos.ConstantProvider,
-    Blockly.blockRendering.ConstantProvider);
-
-/**
- * @override
- */
-Blockly.zelos.ConstantProvider.prototype.setFontConstants_ = function(theme) {
-  Blockly.zelos.ConstantProvider.superClass_.setFontConstants_.call(this,
-      theme);
-
-  this.FIELD_BORDER_RECT_HEIGHT = this.FIELD_TEXT_HEIGHT +
-      this.FIELD_BORDER_RECT_Y_PADDING * 2;
-  this.FIELD_DROPDOWN_BORDER_RECT_HEIGHT = this.FIELD_BORDER_RECT_HEIGHT;
-};
-
-/**
- * @override
- */
-Blockly.zelos.ConstantProvider.prototype.init = function() {
-  Blockly.zelos.ConstantProvider.superClass_.init.call(this);
-  this.HEXAGONAL = this.makeHexagonal();
-  this.ROUNDED = this.makeRounded();
-  this.SQUARED = this.makeSquared();
-
-  this.STATEMENT_INPUT_NOTCH_OFFSET = this.NOTCH_OFFSET_LEFT +
-      this.INSIDE_CORNERS.rightWidth;
-};
-
-/**
- * @override
- */
-Blockly.zelos.ConstantProvider.prototype.setDynamicProperties_ = function(
-    theme) {
-  Blockly.zelos.ConstantProvider.superClass_.setDynamicProperties_.call(this,
-      theme);
-
-  this.SELECTED_GLOW_COLOUR =
-      theme.getComponentStyle('selectedGlowColour') ||
-      this.SELECTED_GLOW_COLOUR;
-  var selectedGlowSize =
-      Number(theme.getComponentStyle('selectedGlowSize'));
-  this.SELECTED_GLOW_SIZE =
-      selectedGlowSize && !isNaN(selectedGlowSize) ?
-      selectedGlowSize : this.SELECTED_GLOW_SIZE;
-  this.REPLACEMENT_GLOW_COLOUR =
-      theme.getComponentStyle('replacementGlowColour') ||
-      this.REPLACEMENT_GLOW_COLOUR;
-  var replacementGlowSize =
-      Number(theme.getComponentStyle('replacementGlowSize'));
-  this.REPLACEMENT_GLOW_SIZE =
-      replacementGlowSize && !isNaN(replacementGlowSize) ?
-      replacementGlowSize : this.REPLACEMENT_GLOW_SIZE;
-};
-
-/**
- * @override
- */
-Blockly.zelos.ConstantProvider.prototype.dispose = function() {
-  Blockly.zelos.ConstantProvider.superClass_.dispose.call(this);
-  if (this.selectedGlowFilter_) {
-    Blockly.utils.dom.removeNode(this.selectedGlowFilter_);
-  }
-  if (this.replacementGlowFilter_) {
-    Blockly.utils.dom.removeNode(this.replacementGlowFilter_);
-  }
-};
-
-/**
- * @override
- */
-Blockly.zelos.ConstantProvider.prototype.makeStartHat = function() {
-  var height = this.START_HAT_HEIGHT;
-  var width = this.START_HAT_WIDTH;
-
-  var mainPath =
-      Blockly.utils.svgPaths.curve('c',
-          [
-            Blockly.utils.svgPaths.point(25, -height),
-            Blockly.utils.svgPaths.point(71, -height),
-            Blockly.utils.svgPaths.point(width, 0)
-          ]);
-  return {
-    height: height,
-    width: width,
-    path: mainPath
-  };
-};
-
-/**
- * Create sizing and path information about a hexagonal shape.
- * @return {!Object} An object containing sizing and path information about
- *     a hexagonal shape for connections.
- * @package
- */
-Blockly.zelos.ConstantProvider.prototype.makeHexagonal = function() {
-  var maxWidth = this.MAX_DYNAMIC_CONNECTION_SHAPE_WIDTH;
-
-  // The main path for the hexagonal connection shape is made out of two lines.
-  // The lines are defined with relative positions and require the block height.
-  // The 'up' and 'down' versions of the paths are the same, but the Y sign
-  // flips.  The 'left' and 'right' versions of the path are also the same, but
-  // the X sign flips.
-  function makeMainPath(height, up, right) {
-    var halfHeight = height / 2;
-    var width = halfHeight > maxWidth ? maxWidth : halfHeight;
-    var forward = up ? -1 : 1;
-    var direction = right ? -1 : 1;
-    var dy = forward * height / 2;
-    return Blockly.utils.svgPaths.lineTo(-direction * width, dy) +
-        Blockly.utils.svgPaths.lineTo(direction * width, dy);
-  }
-
-  return {
-    type: this.SHAPES.HEXAGONAL,
-    isDynamic: true,
-    width: function(height) {
-      var halfHeight = height / 2;
-      return halfHeight > maxWidth ? maxWidth : halfHeight;
-    },
-    height: function(height) {
-      return height;
-    },
-    connectionOffsetY: function(connectionHeight) {
-      return connectionHeight / 2;
-    },
-    connectionOffsetX: function(connectionWidth) {
-      return - connectionWidth;
-    },
-    pathDown: function(height) {
-      return makeMainPath(height, false, false);
-    },
-    pathUp: function(height) {
-      return makeMainPath(height, true, false);
-    },
-    pathRightDown: function(height) {
-      return makeMainPath(height, false, true);
-    },
-    pathRightUp: function(height) {
-      return makeMainPath(height, false, true);
-    },
-  };
-};
-
-/**
- * Create sizing and path information about a rounded shape.
- * @return {!Object} An object containing sizing and path information about
- *     a rounded shape for connections.
- * @package
- */
-Blockly.zelos.ConstantProvider.prototype.makeRounded = function() {
-  var maxWidth = this.MAX_DYNAMIC_CONNECTION_SHAPE_WIDTH;
-  var maxHeight = maxWidth * 2;
-
-  // The main path for the rounded connection shape is made out of two arcs and
-  // a line that joins them.  The arcs are defined with relative positions.
-  // Usually, the height of the block is split between the two arcs. In the case
-  // where the height of the block exceeds the maximum height, a line is drawn
-  // in between the two arcs.
-  // The 'up' and 'down' versions of the paths are the same, but the Y sign
-  // flips.  The 'up' and 'right' versions of the path flip the sweep-flag
-  // which moves the arc at negative angles.
-  function makeMainPath(blockHeight, up, right) {
-    var remainingHeight = blockHeight > maxHeight ? blockHeight - maxHeight : 0;
-    var height = blockHeight > maxHeight ? maxHeight : blockHeight;
-    var radius = height / 2;
-    return Blockly.utils.svgPaths.arc('a', '0 0,1', radius,
-        Blockly.utils.svgPaths.point((up ? -1 : 1) * radius, (up ? -1 : 1) * radius)) +
-      Blockly.utils.svgPaths.lineOnAxis('v', (right ? 1 : -1) * remainingHeight) +
-      Blockly.utils.svgPaths.arc('a', '0 0,1', radius,
-          Blockly.utils.svgPaths.point((up ? 1 : -1) * radius, (up ? -1 : 1) * radius));
-  }
-
-  return {
-    type: this.SHAPES.ROUND,
-    isDynamic: true,
-    width: function(height) {
-      var halfHeight = height / 2;
-      return halfHeight > maxWidth ? maxWidth : halfHeight;
-    },
-    height: function(height) {
-      return height;
-    },
-    connectionOffsetY: function(connectionHeight) {
-      return connectionHeight / 2;
-    },
-    connectionOffsetX: function(connectionWidth) {
-      return - connectionWidth;
-    },
-    pathDown: function(height) {
-      return makeMainPath(height, false, false);
-    },
-    pathUp: function(height) {
-      return makeMainPath(height, true, false);
-    },
-    pathRightDown: function(height) {
-      return makeMainPath(height, false, true);
-    },
-    pathRightUp: function(height) {
-      return makeMainPath(height, false, true);
-    },
-  };
-};
-
-/**
- * Create sizing and path information about a squared shape.
- * @return {!Object} An object containing sizing and path information about
- *     a squared shape for connections.
- * @package
- */
-Blockly.zelos.ConstantProvider.prototype.makeSquared = function() {
-  var radius = this.CORNER_RADIUS;
-
-  // The main path for the squared connection shape is made out of two corners
-  // and a single line in-between (a and v). These are defined in relative
-  // positions and require the height of the block.
-  // The 'left' and 'right' versions of the paths are the same, but the Y sign
-  // flips.  The 'up' and 'down' versions of the path determine where the corner
-  // point is placed and in-turn the direction of the corners.
-  function makeMainPath(height, up, right) {
-    var innerHeight = height - radius * 2;
-    return Blockly.utils.svgPaths.arc('a', '0 0,1', radius,
-        Blockly.utils.svgPaths.point((up ? -1 : 1) * radius, (up ? -1 : 1) * radius)) +
-      Blockly.utils.svgPaths.lineOnAxis('v', (right ? 1 : -1) * innerHeight) +
-      Blockly.utils.svgPaths.arc('a', '0 0,1', radius,
-          Blockly.utils.svgPaths.point((up ? 1 : -1) * radius, (up ? -1 : 1) * radius));
-  }
-
-  return {
-    type: this.SHAPES.SQUARE,
-    isDynamic: true,
-    width: function(_height) {
-      return radius;
-    },
-    height: function(height) {
-      return height;
-    },
-    connectionOffsetY: function(connectionHeight) {
-      return connectionHeight / 2;
-    },
-    connectionOffsetX: function(connectionWidth) {
-      return - connectionWidth;
-    },
-    pathDown: function(height) {
-      return makeMainPath(height, false, false);
-    },
-    pathUp: function(height) {
-      return makeMainPath(height, true, false);
-    },
-    pathRightDown: function(height) {
-      return makeMainPath(height, false, true);
-    },
-    pathRightUp: function(height) {
-      return makeMainPath(height, false, true);
-    },
-  };
-};
-
-/**
- * @override
- */
-Blockly.zelos.ConstantProvider.prototype.shapeFor = function(
-    connection) {
-  var checks = connection.getCheck();
-  if (!checks && connection.targetConnection) {
-    checks = connection.targetConnection.getCheck();
-  }
-  switch (connection.type) {
-    case Blockly.INPUT_VALUE:
-    case Blockly.OUTPUT_VALUE:
-      var outputShape = connection.getSourceBlock().getOutputShape();
-      // If the block has an output shape set, use that instead.
-      if (outputShape != null) {
-        switch (outputShape) {
-          case this.SHAPES.HEXAGONAL: return this.HEXAGONAL;
-          case this.SHAPES.ROUND: return this.ROUNDED;
-          case this.SHAPES.SQUARE: return this.SQUARED;
-        }
-      }
-      // Includes doesn't work in IE.
-      if (checks && checks.indexOf('Boolean') != -1) {
-        return this.HEXAGONAL;
-      }
-      if (checks && checks.indexOf('Number') != -1) {
-        return this.ROUNDED;
-      }
-      if (checks && checks.indexOf('String') != -1) {
-        return this.ROUNDED;
-      }
-      return this.ROUNDED;
-    case Blockly.PREVIOUS_STATEMENT:
-    case Blockly.NEXT_STATEMENT:
-      return this.NOTCH;
-    default:
-      throw Error('Unknown type');
-  }
-};
-
-/**
- * @override
- */
-Blockly.zelos.ConstantProvider.prototype.makeNotch = function() {
-  var width = this.NOTCH_WIDTH;
-  var height = this.NOTCH_HEIGHT;
-
-  var innerWidth = width / 3;
-  var curveWidth = innerWidth / 3;
-
-  var halfHeight = height / 2;
-  var quarterHeight = halfHeight / 2;
-
-  function makeMainPath(dir) {
-    return (
-      Blockly.utils.svgPaths.curve('c', [
-        Blockly.utils.svgPaths.point(dir * curveWidth / 2,
-            0),
-        Blockly.utils.svgPaths.point(dir * curveWidth * 3 / 4,
-            quarterHeight / 2),
-        Blockly.utils.svgPaths.point(dir * curveWidth,
-            quarterHeight)
-      ]) +
-      Blockly.utils.svgPaths.line([
-        Blockly.utils.svgPaths.point(dir * curveWidth,
-            halfHeight)
-      ]) +
-      Blockly.utils.svgPaths.curve('c', [
-        Blockly.utils.svgPaths.point(dir * curveWidth / 4,
-            quarterHeight / 2),
-        Blockly.utils.svgPaths.point(dir * curveWidth / 2,
-            quarterHeight),
-        Blockly.utils.svgPaths.point(dir * curveWidth,
-            quarterHeight)
-      ]) +
-      Blockly.utils.svgPaths.lineOnAxis('h', dir * innerWidth) +
-      Blockly.utils.svgPaths.curve('c', [
-        Blockly.utils.svgPaths.point(dir * curveWidth / 2,
-            0),
-        Blockly.utils.svgPaths.point(dir * curveWidth * 3 / 4,
-            -(quarterHeight / 2)),
-        Blockly.utils.svgPaths.point(dir * curveWidth,
-            -quarterHeight)
-      ]) +
-      Blockly.utils.svgPaths.line([
-        Blockly.utils.svgPaths.point(dir * curveWidth,
-            -halfHeight)
-      ]) +
-      Blockly.utils.svgPaths.curve('c', [
-        Blockly.utils.svgPaths.point(dir * curveWidth / 4,
-            -(quarterHeight / 2)),
-        Blockly.utils.svgPaths.point(dir * curveWidth / 2,
-            -quarterHeight),
-        Blockly.utils.svgPaths.point(dir * curveWidth,
-            -quarterHeight)
-      ])
-    );
-  }
-
-  var pathLeft = makeMainPath(1);
-  var pathRight = makeMainPath(-1);
-
-  return {
-    type: this.SHAPES.NOTCH,
-    width: width,
-    height: height,
-    pathLeft: pathLeft,
-    pathRight: pathRight
-  };
-};
-
-/**
- * @override
- */
-Blockly.zelos.ConstantProvider.prototype.makeInsideCorners = function() {
-  var radius = this.CORNER_RADIUS;
-
-  var innerTopLeftCorner = Blockly.utils.svgPaths.arc('a', '0 0,0', radius,
-      Blockly.utils.svgPaths.point(-radius, radius));
-
-  var innerTopRightCorner = Blockly.utils.svgPaths.arc('a', '0 0,1', radius,
-      Blockly.utils.svgPaths.point(-radius, radius));
-
-  var innerBottomLeftCorner = Blockly.utils.svgPaths.arc('a', '0 0,0', radius,
-      Blockly.utils.svgPaths.point(radius, radius));
-
-  var innerBottomRightCorner = Blockly.utils.svgPaths.arc('a', '0 0,1', radius,
-      Blockly.utils.svgPaths.point(radius, radius));
-
-  return {
-    width: radius,
-    height: radius,
-    pathTop: innerTopLeftCorner,
-    pathBottom: innerBottomLeftCorner,
-    rightWidth: radius,
-    rightHeight: radius,
-    pathTopRight: innerTopRightCorner,
-    pathBottomRight: innerBottomRightCorner
-  };
-};
-
-/**
- * @override
- */
-Blockly.zelos.ConstantProvider.prototype.generateSecondaryColour_ = function(
-    colour) {
-  return Blockly.utils.colour.blend('#000', colour, 0.15) || colour;
-};
-
-/**
- * @override
- */
-Blockly.zelos.ConstantProvider.prototype.generateTertiaryColour_ = function(
-    colour) {
-  return Blockly.utils.colour.blend('#000', colour, 0.25) || colour;
-};
-
-/**
- * @override
- */
-Blockly.zelos.ConstantProvider.prototype.createDom = function(svg,
-    tagName, selector) {
-  Blockly.zelos.ConstantProvider.superClass_.createDom.call(this, svg,
-      tagName, selector);
-  /*
-  <defs>
-    ... filters go here ...
-  </defs>
-  */
-  var defs = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.DEFS, {}, svg);
-  // Using a dilate distorts the block shape.
-  // Instead use a gaussian blur, and then set all alpha to 1 with a transfer.
-  var selectedGlowFilter = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FILTER,
-      {
-        'id': 'blocklySelectedGlowFilter' + this.randomIdentifier,
-        'height': '160%',
-        'width': '180%',
-        y: '-30%',
-        x: '-40%'
-      },
-      defs);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FEGAUSSIANBLUR,
-      {
-        'in': 'SourceGraphic',
-        'stdDeviation': this.SELECTED_GLOW_SIZE
-      },
-      selectedGlowFilter);
-  // Set all gaussian blur pixels to 1 opacity before applying flood
-  var selectedComponentTransfer = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FECOMPONENTTRANSFER, {
-        'result': 'outBlur'
-      }, selectedGlowFilter);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FEFUNCA,
-      {
-        'type': 'table', 'tableValues': '0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1'
-      },
-      selectedComponentTransfer);
-  // Color the highlight
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FEFLOOD,
-      {
-        'flood-color': this.SELECTED_GLOW_COLOUR,
-        'flood-opacity': 1,
-        'result': 'outColor'
-      },
-      selectedGlowFilter);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FECOMPOSITE,
-      {
-        'in': 'outColor', 'in2': 'outBlur',
-        'operator': 'in', 'result': 'outGlow'
-      },
-      selectedGlowFilter);
-  this.selectedGlowFilterId = selectedGlowFilter.id;
-  this.selectedGlowFilter_ = selectedGlowFilter;
-
-  // Using a dilate distorts the block shape.
-  // Instead use a gaussian blur, and then set all alpha to 1 with a transfer.
-  var replacementGlowFilter = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FILTER,
-      {
-        'id': 'blocklyReplacementGlowFilter' + this.randomIdentifier,
-        'height': '160%',
-        'width': '180%',
-        y: '-30%',
-        x: '-40%'
-      },
-      defs);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FEGAUSSIANBLUR,
-      {
-        'in': 'SourceGraphic',
-        'stdDeviation': this.REPLACEMENT_GLOW_SIZE
-      },
-      replacementGlowFilter);
-  // Set all gaussian blur pixels to 1 opacity before applying flood
-  var replacementComponentTransfer = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FECOMPONENTTRANSFER, {
-        'result': 'outBlur'
-      }, replacementGlowFilter);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FEFUNCA,
-      {
-        'type': 'table', 'tableValues': '0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1'
-      },
-      replacementComponentTransfer);
-  // Color the highlight
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FEFLOOD,
-      {
-        'flood-color': this.REPLACEMENT_GLOW_COLOUR,
-        'flood-opacity': 1,
-        'result': 'outColor'
-      },
-      replacementGlowFilter);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FECOMPOSITE,
-      {
-        'in': 'outColor', 'in2': 'outBlur',
-        'operator': 'in', 'result': 'outGlow'
-      },
-      replacementGlowFilter);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FECOMPOSITE,
-      {
-        'in': 'SourceGraphic', 'in2': 'outGlow',
-        'operator': 'over',
-      },
-      replacementGlowFilter);
-  this.replacementGlowFilterId = replacementGlowFilter.id;
-  this.replacementGlowFilter_ = replacementGlowFilter;
-};
-
-/**
- * @override
- */
-Blockly.zelos.ConstantProvider.prototype.getCSS_ = function(selector) {
-  return [
-    /* eslint-disable indent */
-    // Text.
-    selector + ' .blocklyText,',
-    selector + ' .blocklyFlyoutLabelText {',
-      'font: ' + this.FIELD_TEXT_FONTWEIGHT + ' ' +
-          this.FIELD_TEXT_FONTSIZE + 'pt ' + this.FIELD_TEXT_FONTFAMILY + ';',
-    '}',
-
-    // Fields.
-    selector + ' .blocklyText {',
-      'fill: #fff;',
-    '}',
-    selector + ' .blocklyNonEditableText>rect:not(.blocklyDropdownRect),',
-    selector + ' .blocklyEditableText>rect:not(.blocklyDropdownRect) {',
-      'fill: ' + this.FIELD_BORDER_RECT_COLOUR + ';',
-    '}',
-    selector + ' .blocklyNonEditableText>text,',
-    selector + ' .blocklyEditableText>text,',
-    selector + ' .blocklyNonEditableText>g>text,',
-    selector + ' .blocklyEditableText>g>text {',
-      'fill: #575E75;',
-    '}',
-
-    // Flyout labels.
-    selector + ' .blocklyFlyoutLabelText {',
-      'fill: #575E75;',
-    '}',
-
-    // Bubbles.
-    selector + ' .blocklyText.blocklyBubbleText {',
-      'fill: #575E75;',
-    '}',
-
-    // Editable field hover.
-    selector + ' .blocklyDraggable:not(.blocklyDisabled)',
-    ' .blocklyEditableText:not(.editing):hover>rect,',
-    selector + ' .blocklyDraggable:not(.blocklyDisabled)',
-    ' .blocklyEditableText:not(.editing):hover>.blocklyPath {',
-      'stroke: #fff;',
-      'stroke-width: 2;',
-    '}',
-
-    // Text field input.
-    selector + ' .blocklyHtmlInput {',
-      'font-family: ' + this.FIELD_TEXT_FONTFAMILY + ';',
-      'font-weight: ' + this.FIELD_TEXT_FONTWEIGHT + ';',
-      'color: #575E75;',
-    '}',
-
-    // Dropdown field.
-    selector + ' .blocklyDropdownText {',
-      'fill: #fff !important;',
-    '}',
-    // Widget and Dropdown Div
-    selector + '.blocklyWidgetDiv .goog-menuitem,',
-    selector + '.blocklyDropDownDiv .goog-menuitem {',
-      'font-family: ' + this.FIELD_TEXT_FONTFAMILY + ';',
-    '}',
-    selector + '.blocklyDropDownDiv .goog-menuitem-content {',
-      'color: #fff;',
-    '}',
-
-    // Connection highlight.
-    selector + ' .blocklyHighlightedConnectionPath {',
-      'stroke: ' + this.SELECTED_GLOW_COLOUR + ';',
-    '}',
-
-    // Disabled outline paths.
-    selector + ' .blocklyDisabled > .blocklyOutlinePath {',
-      'fill: url(#blocklyDisabledPattern' + this.randomIdentifier + ')',
-    '}',
-
-    // Insertion marker.
-    selector + ' .blocklyInsertionMarker>.blocklyPath {',
-      'fill-opacity: ' + this.INSERTION_MARKER_OPACITY + ';',
-      'stroke: none;',
-    '}',
-    /* eslint-enable indent */
-  ];
-};
diff --git a/core/renderers/zelos/constants.ts b/core/renderers/zelos/constants.ts
new file mode 100644
index 00000000000..c50e66510a0
--- /dev/null
+++ b/core/renderers/zelos/constants.ts
@@ -0,0 +1,874 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.zelos.ConstantProvider
+
+import {ConnectionType} from '../../connection_type.js';
+import type {RenderedConnection} from '../../rendered_connection.js';
+import type {Theme} from '../../theme.js';
+import * as utilsColour from '../../utils/colour.js';
+import * as dom from '../../utils/dom.js';
+import {Svg} from '../../utils/svg.js';
+import * as svgPaths from '../../utils/svg_paths.js';
+import {ConstantProvider as BaseConstantProvider} from '../common/constants.js';
+import type {Shape} from '../common/constants.js';
+
+/** An object containing sizing and path information about inside corners. */
+export interface InsideCorners {
+  width: number;
+  height: number;
+  pathTop: string;
+  pathBottom: string;
+  rightWidth: number;
+  rightHeight: number;
+  pathTopRight: string;
+  pathBottomRight: string;
+}
+
+/**
+ * An object that provides constants for rendering blocks in Zelos mode.
+ */
+export class ConstantProvider extends BaseConstantProvider {
+  GRID_UNIT = 4;
+  STATEMENT_INPUT_SPACER_MIN_WIDTH: number;
+
+  override CURSOR_COLOUR = '#ffa200';
+
+  /**
+   * Radius of the cursor for input and output connections.
+   */
+  CURSOR_RADIUS = 5;
+
+  override JAGGED_TEETH_HEIGHT = 0;
+
+  override JAGGED_TEETH_WIDTH = 0;
+  override START_HAT_HEIGHT = 22;
+
+  override START_HAT_WIDTH = 96;
+
+  override SHAPES = {HEXAGONAL: 1, ROUND: 2, SQUARE: 3, PUZZLE: 4, NOTCH: 5};
+
+  /**
+   * Map of output/input shapes and the amount they should cause a block to be
+   * padded. Outer key is the outer shape, inner key is the inner shape.
+   * When a block with the outer shape contains an input block with the inner
+   * shape on its left or right edge, the block elements are aligned such that
+   * the padding specified is reached.
+   */
+  SHAPE_IN_SHAPE_PADDING: {[key: number]: {[key: number]: number}} = {
+    1: {
+      // Outer shape: hexagon.
+      0: 5 * this.GRID_UNIT, // Field in hexagon.
+      1: 2 * this.GRID_UNIT, // Hexagon in hexagon.
+      2: 5 * this.GRID_UNIT, // Round in hexagon.
+      3: 5 * this.GRID_UNIT, // Square in hexagon.
+    },
+    2: {
+      // Outer shape: round.
+      0: 3 * this.GRID_UNIT, // Field in round.
+      1: 3 * this.GRID_UNIT, // Hexagon in round.
+      2: 1 * this.GRID_UNIT, // Round in round.
+      3: 2 * this.GRID_UNIT, // Square in round.
+    },
+    3: {
+      // Outer shape: square.
+      0: 2 * this.GRID_UNIT, // Field in square.
+      1: 2 * this.GRID_UNIT, // Hexagon in square.
+      2: 2 * this.GRID_UNIT, // Round in square.
+      3: 2 * this.GRID_UNIT, // Square in square.
+    },
+  };
+
+  override FULL_BLOCK_FIELDS = true;
+
+  override FIELD_TEXT_FONTWEIGHT = 'bold';
+
+  override FIELD_TEXT_FONTFAMILY =
+    '"Helvetica Neue", "Segoe UI", Helvetica, sans-serif';
+
+  override FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW = true;
+
+  override FIELD_DROPDOWN_COLOURED_DIV = true;
+
+  override FIELD_DROPDOWN_SVG_ARROW = true;
+  override FIELD_TEXTINPUT_BOX_SHADOW = true;
+
+  override FIELD_COLOUR_FULL_BLOCK = true;
+  MAX_DYNAMIC_CONNECTION_SHAPE_WIDTH: number;
+
+  /** The selected glow colour. */
+  SELECTED_GLOW_COLOUR = '#fff200';
+
+  /** The size of the selected glow. */
+  SELECTED_GLOW_SIZE = 0.5;
+
+  /** The replacement glow colour. */
+  REPLACEMENT_GLOW_COLOUR = '#fff200';
+
+  /** The size of the selected glow. */
+  REPLACEMENT_GLOW_SIZE = 2;
+
+  /**
+   * The ID of the selected glow filter, or the empty string if no filter is
+   * set.
+   */
+  selectedGlowFilterId = '';
+
+  /**
+   * The <filter> element to use for a selected glow, or null if not set.
+   */
+  private selectedGlowFilter: SVGElement | null = null;
+
+  /**
+   * The ID of the replacement glow filter, or the empty string if no filter
+   * is set.
+   */
+  replacementGlowFilterId = '';
+
+  /**
+   * The <filter> element to use for a replacement glow, or null if not set.
+   */
+  private replacementGlowFilter: SVGElement | null = null;
+
+  /**
+   * The object containing information about the hexagon used for a boolean
+   * reporter block. Null before init is called.
+   */
+  HEXAGONAL: Shape | null = null;
+
+  /**
+   * The object containing information about the hexagon used for a number or
+   * string reporter block. Null before init is called.
+   */
+  ROUNDED: Shape | null = null;
+
+  /**
+   * The object containing information about the hexagon used for a
+   * rectangular reporter block. Null before init is called.
+   */
+  SQUARED: Shape | null = null;
+
+  constructor() {
+    super();
+
+    this.SMALL_PADDING = this.GRID_UNIT;
+
+    this.MEDIUM_PADDING = 2 * this.GRID_UNIT;
+
+    this.MEDIUM_LARGE_PADDING = 3 * this.GRID_UNIT;
+
+    this.LARGE_PADDING = 4 * this.GRID_UNIT;
+
+    this.CORNER_RADIUS = 1 * this.GRID_UNIT;
+
+    this.NOTCH_WIDTH = 9 * this.GRID_UNIT;
+
+    this.NOTCH_HEIGHT = 2 * this.GRID_UNIT;
+
+    this.NOTCH_OFFSET_LEFT = 3 * this.GRID_UNIT;
+
+    this.STATEMENT_INPUT_NOTCH_OFFSET = this.NOTCH_OFFSET_LEFT;
+
+    this.MIN_BLOCK_WIDTH = 2 * this.GRID_UNIT;
+
+    this.MIN_BLOCK_HEIGHT = 12 * this.GRID_UNIT;
+
+    this.EMPTY_STATEMENT_INPUT_HEIGHT = 6 * this.GRID_UNIT;
+
+    this.TOP_ROW_MIN_HEIGHT = this.CORNER_RADIUS;
+
+    this.TOP_ROW_PRECEDES_STATEMENT_MIN_HEIGHT = this.LARGE_PADDING;
+
+    this.BOTTOM_ROW_MIN_HEIGHT = this.CORNER_RADIUS;
+
+    this.BOTTOM_ROW_AFTER_STATEMENT_MIN_HEIGHT = 6 * this.GRID_UNIT;
+
+    this.STATEMENT_BOTTOM_SPACER = -this.NOTCH_HEIGHT;
+
+    /** Minimum statement input spacer width. */
+    this.STATEMENT_INPUT_SPACER_MIN_WIDTH = 40 * this.GRID_UNIT;
+
+    this.STATEMENT_INPUT_PADDING_LEFT = 4 * this.GRID_UNIT;
+
+    this.EMPTY_INLINE_INPUT_PADDING = 4 * this.GRID_UNIT;
+
+    this.EMPTY_INLINE_INPUT_HEIGHT = 8 * this.GRID_UNIT;
+
+    this.DUMMY_INPUT_MIN_HEIGHT = 8 * this.GRID_UNIT;
+
+    this.DUMMY_INPUT_SHADOW_MIN_HEIGHT = 6 * this.GRID_UNIT;
+
+    this.CURSOR_WS_WIDTH = 20 * this.GRID_UNIT;
+
+    this.FIELD_TEXT_FONTSIZE = 3 * this.GRID_UNIT;
+
+    this.FIELD_BORDER_RECT_RADIUS = this.CORNER_RADIUS;
+
+    this.FIELD_BORDER_RECT_X_PADDING = 2 * this.GRID_UNIT;
+
+    this.FIELD_BORDER_RECT_Y_PADDING = 1.625 * this.GRID_UNIT;
+
+    this.FIELD_BORDER_RECT_HEIGHT = 8 * this.GRID_UNIT;
+
+    this.FIELD_DROPDOWN_BORDER_RECT_HEIGHT = 8 * this.GRID_UNIT;
+
+    this.FIELD_DROPDOWN_SVG_ARROW_PADDING = this.FIELD_BORDER_RECT_X_PADDING;
+
+    this.FIELD_COLOUR_DEFAULT_WIDTH = 6 * this.GRID_UNIT;
+
+    this.FIELD_COLOUR_DEFAULT_HEIGHT = 8 * this.GRID_UNIT;
+
+    this.FIELD_CHECKBOX_X_OFFSET = 1 * this.GRID_UNIT;
+
+    /** The maximum width of a dynamic connection shape. */
+    this.MAX_DYNAMIC_CONNECTION_SHAPE_WIDTH = 12 * this.GRID_UNIT;
+  }
+
+  override setFontConstants_(theme: Theme) {
+    super.setFontConstants_(theme);
+
+    this.FIELD_BORDER_RECT_HEIGHT =
+      this.FIELD_TEXT_HEIGHT + this.FIELD_BORDER_RECT_Y_PADDING * 2;
+    this.FIELD_DROPDOWN_BORDER_RECT_HEIGHT = this.FIELD_BORDER_RECT_HEIGHT;
+  }
+
+  override init() {
+    super.init();
+    this.HEXAGONAL = this.makeHexagonal();
+    this.ROUNDED = this.makeRounded();
+    this.SQUARED = this.makeSquared();
+
+    this.STATEMENT_INPUT_NOTCH_OFFSET =
+      this.NOTCH_OFFSET_LEFT +
+      (this.INSIDE_CORNERS as InsideCorners).rightWidth;
+  }
+
+  override setDynamicProperties_(theme: Theme) {
+    super.setDynamicProperties_(theme);
+
+    this.SELECTED_GLOW_COLOUR =
+      theme.getComponentStyle('selectedGlowColour') ||
+      this.SELECTED_GLOW_COLOUR;
+    const selectedGlowSize = Number(
+      theme.getComponentStyle('selectedGlowSize'),
+    );
+    this.SELECTED_GLOW_SIZE =
+      selectedGlowSize && !isNaN(selectedGlowSize)
+        ? selectedGlowSize
+        : this.SELECTED_GLOW_SIZE;
+    this.REPLACEMENT_GLOW_COLOUR =
+      theme.getComponentStyle('replacementGlowColour') ||
+      this.REPLACEMENT_GLOW_COLOUR;
+    const replacementGlowSize = Number(
+      theme.getComponentStyle('replacementGlowSize'),
+    );
+    this.REPLACEMENT_GLOW_SIZE =
+      replacementGlowSize && !isNaN(replacementGlowSize)
+        ? replacementGlowSize
+        : this.REPLACEMENT_GLOW_SIZE;
+  }
+
+  override dispose() {
+    super.dispose();
+    if (this.selectedGlowFilter) {
+      dom.removeNode(this.selectedGlowFilter);
+    }
+    if (this.replacementGlowFilter) {
+      dom.removeNode(this.replacementGlowFilter);
+    }
+  }
+
+  override makeStartHat() {
+    const height = this.START_HAT_HEIGHT;
+    const width = this.START_HAT_WIDTH;
+
+    const mainPath = svgPaths.curve('c', [
+      svgPaths.point(25, -height),
+      svgPaths.point(71, -height),
+      svgPaths.point(width, 0),
+    ]);
+    return {height, width, path: mainPath};
+  }
+
+  /**
+   * Create sizing and path information about a hexagonal shape.
+   *
+   * @returns An object containing sizing and path information about a hexagonal
+   *     shape for connections.
+   */
+  protected makeHexagonal(): Shape {
+    const maxWidth = this.MAX_DYNAMIC_CONNECTION_SHAPE_WIDTH;
+
+    /**
+     * Make the main path for the hexagonal connection shape out of two lines.
+     * The lines are defined with relative positions and require the block
+     * height. The 'up' and 'down' versions of the paths are the same, but the Y
+     * sign flips.  The 'left' and 'right' versions of the path are also the
+     * same, but the X sign flips.
+     *
+     * @param height The height of the block the connection is on.
+     * @param up True if the path should be drawn from bottom to top, false
+     *     otherwise.
+     * @param right True if the path is for the right side of the block.
+     * @returns A path fragment describing a rounded connection.
+     */
+    function makeMainPath(height: number, up: boolean, right: boolean): string {
+      const halfHeight = height / 2;
+      const width = halfHeight > maxWidth ? maxWidth : halfHeight;
+      const forward = up ? -1 : 1;
+      const direction = right ? -1 : 1;
+      const dy = (forward * height) / 2;
+      return (
+        svgPaths.lineTo(-direction * width, dy) +
+        svgPaths.lineTo(direction * width, dy)
+      );
+    }
+
+    return {
+      type: this.SHAPES.HEXAGONAL,
+      isDynamic: true,
+      width(height: number): number {
+        const halfHeight = height / 2;
+        return halfHeight > maxWidth ? maxWidth : halfHeight;
+      },
+      height(height: number): number {
+        return height;
+      },
+      connectionOffsetY(connectionHeight: number): number {
+        return connectionHeight / 2;
+      },
+      connectionOffsetX(connectionWidth: number): number {
+        return -connectionWidth;
+      },
+      pathDown(height: number): string {
+        return makeMainPath(height, false, false);
+      },
+      pathUp(height: number): string {
+        return makeMainPath(height, true, false);
+      },
+      pathRightDown(height: number): string {
+        return makeMainPath(height, false, true);
+      },
+      pathRightUp(height: number): string {
+        return makeMainPath(height, false, true);
+      },
+    };
+  }
+
+  /**
+   * Create sizing and path information about a rounded shape.
+   *
+   * @returns An object containing sizing and path information about a rounded
+   *     shape for connections.
+   */
+  protected makeRounded(): Shape {
+    const maxWidth = this.MAX_DYNAMIC_CONNECTION_SHAPE_WIDTH;
+    const maxHeight = maxWidth * 2;
+
+    /**
+     * Make the main path for the rounded connection shape out of two arcs and
+     * a line that joins them.  The arcs are defined with relative positions.
+     * Usually, the height of the block is split between the two arcs. In the
+     * case where the height of the block exceeds the maximum height, a line is
+     * drawn in between the two arcs. The 'up' and 'down' versions of the paths
+     * are the same, but the Y sign flips.  The 'up' and 'right' versions of the
+     * path flip the sweep-flag which moves the arc at negative angles.
+     *
+     * @param blockHeight The height of the block the connection is on.
+     * @param up True if the path should be drawn from bottom to top, false
+     *     otherwise.
+     * @param right True if the path is for the right side of the block.
+     * @returns A path fragment describing a rounded connection.
+     */
+    function makeMainPath(
+      blockHeight: number,
+      up: boolean,
+      right: boolean,
+    ): string {
+      const remainingHeight =
+        blockHeight > maxHeight ? blockHeight - maxHeight : 0;
+      const height = blockHeight > maxHeight ? maxHeight : blockHeight;
+      const radius = height / 2;
+      const sweep = right === up ? '0' : '1';
+      return (
+        svgPaths.arc(
+          'a',
+          '0 0,' + sweep,
+          radius,
+          svgPaths.point((right ? 1 : -1) * radius, (up ? -1 : 1) * radius),
+        ) +
+        svgPaths.lineOnAxis('v', (up ? -1 : 1) * remainingHeight) +
+        svgPaths.arc(
+          'a',
+          '0 0,' + sweep,
+          radius,
+          svgPaths.point((right ? -1 : 1) * radius, (up ? -1 : 1) * radius),
+        )
+      );
+    }
+
+    return {
+      type: this.SHAPES.ROUND,
+      isDynamic: true,
+      width(height: number): number {
+        const halfHeight = height / 2;
+        return halfHeight > maxWidth ? maxWidth : halfHeight;
+      },
+      height(height: number): number {
+        return height;
+      },
+      connectionOffsetY(connectionHeight: number): number {
+        return connectionHeight / 2;
+      },
+      connectionOffsetX(connectionWidth: number): number {
+        return -connectionWidth;
+      },
+      pathDown(height: number): string {
+        return makeMainPath(height, false, false);
+      },
+      pathUp(height: number): string {
+        return makeMainPath(height, true, false);
+      },
+      pathRightDown(height: number): string {
+        return makeMainPath(height, false, true);
+      },
+      pathRightUp(height: number): string {
+        return makeMainPath(height, false, true);
+      },
+    };
+  }
+
+  /**
+   * Create sizing and path information about a squared shape.
+   *
+   * @returns An object containing sizing and path information about a squared
+   *     shape for connections.
+   */
+  protected makeSquared(): Shape {
+    const radius = this.CORNER_RADIUS;
+
+    /**
+     * Make the main path for the squared connection shape out of two corners
+     * and a single line in-between (a and v). These are defined in relative
+     * positions and require the height of the block.
+     * The 'left' and 'right' versions of the paths are the same, but the Y sign
+     * flips.  The 'up' and 'down' versions of the path determine where the
+     * corner point is placed and in turn the direction of the corners.
+     *
+     * @param height The height of the block the connection is on.
+     * @param up True if the path should be drawn from bottom to top, false
+     *     otherwise.
+     * @param right True if the path is for the right side of the block.
+     * @returns A path fragment describing a squared connection.
+     */
+    function makeMainPath(height: number, up: boolean, right: boolean): string {
+      const innerHeight = height - radius * 2;
+      const sweep = right === up ? '0' : '1';
+      return (
+        svgPaths.arc(
+          'a',
+          '0 0,' + sweep,
+          radius,
+          svgPaths.point((right ? 1 : -1) * radius, (up ? -1 : 1) * radius),
+        ) +
+        svgPaths.lineOnAxis('v', (up ? -1 : 1) * innerHeight) +
+        svgPaths.arc(
+          'a',
+          '0 0,' + sweep,
+          radius,
+          svgPaths.point((right ? -1 : 1) * radius, (up ? -1 : 1) * radius),
+        )
+      );
+    }
+
+    return {
+      type: this.SHAPES.SQUARE,
+      isDynamic: true,
+      width(_height: number): number {
+        return radius;
+      },
+      height(height: number): number {
+        return height;
+      },
+      connectionOffsetY(connectionHeight: number): number {
+        return connectionHeight / 2;
+      },
+      connectionOffsetX(connectionWidth: number): number {
+        return -connectionWidth;
+      },
+      pathDown(height: number): string {
+        return makeMainPath(height, false, false);
+      },
+      pathUp(height: number): string {
+        return makeMainPath(height, true, false);
+      },
+      pathRightDown(height: number): string {
+        return makeMainPath(height, false, true);
+      },
+      pathRightUp(height: number): string {
+        return makeMainPath(height, false, true);
+      },
+    };
+  }
+
+  override shapeFor(connection: RenderedConnection): Shape {
+    let checks = connection.getCheck();
+    if (!checks && connection.targetConnection) {
+      checks = connection.targetConnection.getCheck();
+    }
+    let outputShape;
+    switch (connection.type) {
+      case ConnectionType.INPUT_VALUE:
+      case ConnectionType.OUTPUT_VALUE:
+        outputShape = connection.getSourceBlock().getOutputShape();
+        // If the block has an output shape set, use that instead.
+        if (outputShape !== null) {
+          switch (outputShape) {
+            case this.SHAPES.HEXAGONAL:
+              return this.HEXAGONAL!;
+            case this.SHAPES.ROUND:
+              return this.ROUNDED!;
+            case this.SHAPES.SQUARE:
+              return this.SQUARED!;
+          }
+        }
+        // Includes doesn't work in IE.
+        if (checks && checks.includes('Boolean')) {
+          return this.HEXAGONAL!;
+        }
+        if (checks && checks.includes('Number')) {
+          return this.ROUNDED!;
+        }
+        if (checks && checks.includes('String')) {
+          return this.ROUNDED!;
+        }
+        return this.ROUNDED!;
+      case ConnectionType.PREVIOUS_STATEMENT:
+      case ConnectionType.NEXT_STATEMENT:
+        return this.NOTCH!;
+      default:
+        throw Error('Unknown type');
+    }
+  }
+
+  override makeNotch() {
+    const width = this.NOTCH_WIDTH;
+    const height = this.NOTCH_HEIGHT;
+
+    const innerWidth = width / 3;
+    const curveWidth = innerWidth / 3;
+
+    const halfHeight = height / 2;
+    const quarterHeight = halfHeight / 2;
+
+    /**
+     * Make the main path for the notch.
+     *
+     * @param dir Direction multiplier to apply to horizontal offsets along the
+     *     path. Either 1 or -1.
+     * @returns A path fragment describing a notch.
+     */
+    function makeMainPath(dir: number): string {
+      return (
+        svgPaths.curve('c', [
+          svgPaths.point((dir * curveWidth) / 2, 0),
+          svgPaths.point((dir * curveWidth * 3) / 4, quarterHeight / 2),
+          svgPaths.point(dir * curveWidth, quarterHeight),
+        ]) +
+        svgPaths.line([svgPaths.point(dir * curveWidth, halfHeight)]) +
+        svgPaths.curve('c', [
+          svgPaths.point((dir * curveWidth) / 4, quarterHeight / 2),
+          svgPaths.point((dir * curveWidth) / 2, quarterHeight),
+          svgPaths.point(dir * curveWidth, quarterHeight),
+        ]) +
+        svgPaths.lineOnAxis('h', dir * innerWidth) +
+        svgPaths.curve('c', [
+          svgPaths.point((dir * curveWidth) / 2, 0),
+          svgPaths.point((dir * curveWidth * 3) / 4, -(quarterHeight / 2)),
+          svgPaths.point(dir * curveWidth, -quarterHeight),
+        ]) +
+        svgPaths.line([svgPaths.point(dir * curveWidth, -halfHeight)]) +
+        svgPaths.curve('c', [
+          svgPaths.point((dir * curveWidth) / 4, -(quarterHeight / 2)),
+          svgPaths.point((dir * curveWidth) / 2, -quarterHeight),
+          svgPaths.point(dir * curveWidth, -quarterHeight),
+        ])
+      );
+    }
+
+    const pathLeft = makeMainPath(1);
+    const pathRight = makeMainPath(-1);
+
+    return {
+      type: this.SHAPES.NOTCH,
+      width,
+      height,
+      pathLeft,
+      pathRight,
+    };
+  }
+
+  override makeInsideCorners() {
+    const radius = this.CORNER_RADIUS;
+
+    const innerTopLeftCorner = svgPaths.arc(
+      'a',
+      '0 0,0',
+      radius,
+      svgPaths.point(-radius, radius),
+    );
+
+    const innerTopRightCorner = svgPaths.arc(
+      'a',
+      '0 0,1',
+      radius,
+      svgPaths.point(-radius, radius),
+    );
+
+    const innerBottomLeftCorner = svgPaths.arc(
+      'a',
+      '0 0,0',
+      radius,
+      svgPaths.point(radius, radius),
+    );
+
+    const innerBottomRightCorner = svgPaths.arc(
+      'a',
+      '0 0,1',
+      radius,
+      svgPaths.point(radius, radius),
+    );
+
+    return {
+      width: radius,
+      height: radius,
+      pathTop: innerTopLeftCorner,
+      pathBottom: innerBottomLeftCorner,
+      rightWidth: radius,
+      rightHeight: radius,
+      pathTopRight: innerTopRightCorner,
+      pathBottomRight: innerBottomRightCorner,
+    };
+  }
+
+  override generateSecondaryColour_(colour: string) {
+    return utilsColour.blend('#000', colour, 0.15) || colour;
+  }
+
+  override generateTertiaryColour_(colour: string) {
+    return utilsColour.blend('#000', colour, 0.25) || colour;
+  }
+
+  override createDom(svg: SVGElement, tagName: string, selector: string) {
+    super.createDom(svg, tagName, selector);
+    /*
+        <defs>
+          ... filters go here ...
+        </defs>
+        */
+    const defs = dom.createSvgElement(Svg.DEFS, {}, svg);
+    // Using a dilate distorts the block shape.
+    // Instead use a gaussian blur, and then set all alpha to 1 with a transfer.
+    const selectedGlowFilter = dom.createSvgElement(
+      Svg.FILTER,
+      {
+        'id': 'blocklySelectedGlowFilter' + this.randomIdentifier,
+        'height': '160%',
+        'width': '180%',
+        'y': '-30%',
+        'x': '-40%',
+      },
+      defs,
+    );
+    dom.createSvgElement(
+      Svg.FEGAUSSIANBLUR,
+      {'in': 'SourceGraphic', 'stdDeviation': this.SELECTED_GLOW_SIZE},
+      selectedGlowFilter,
+    );
+    // Set all gaussian blur pixels to 1 opacity before applying flood
+    const selectedComponentTransfer = dom.createSvgElement(
+      Svg.FECOMPONENTTRANSFER,
+      {'result': 'outBlur'},
+      selectedGlowFilter,
+    );
+    dom.createSvgElement(
+      Svg.FEFUNCA,
+      {'type': 'table', 'tableValues': '0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1'},
+      selectedComponentTransfer,
+    );
+    // Color the highlight
+    dom.createSvgElement(
+      Svg.FEFLOOD,
+      {
+        'flood-color': this.SELECTED_GLOW_COLOUR,
+        'flood-opacity': 1,
+        'result': 'outColor',
+      },
+      selectedGlowFilter,
+    );
+    dom.createSvgElement(
+      Svg.FECOMPOSITE,
+      {
+        'in': 'outColor',
+        'in2': 'outBlur',
+        'operator': 'in',
+        'result': 'outGlow',
+      },
+      selectedGlowFilter,
+    );
+    this.selectedGlowFilterId = selectedGlowFilter.id;
+    this.selectedGlowFilter = selectedGlowFilter;
+
+    // Using a dilate distorts the block shape.
+    // Instead use a gaussian blur, and then set all alpha to 1 with a transfer.
+    const replacementGlowFilter = dom.createSvgElement(
+      Svg.FILTER,
+      {
+        'id': 'blocklyReplacementGlowFilter' + this.randomIdentifier,
+        'height': '160%',
+        'width': '180%',
+        'y': '-30%',
+        'x': '-40%',
+      },
+      defs,
+    );
+    dom.createSvgElement(
+      Svg.FEGAUSSIANBLUR,
+      {'in': 'SourceGraphic', 'stdDeviation': this.REPLACEMENT_GLOW_SIZE},
+      replacementGlowFilter,
+    );
+    // Set all gaussian blur pixels to 1 opacity before applying flood
+    const replacementComponentTransfer = dom.createSvgElement(
+      Svg.FECOMPONENTTRANSFER,
+      {'result': 'outBlur'},
+      replacementGlowFilter,
+    );
+    dom.createSvgElement(
+      Svg.FEFUNCA,
+      {'type': 'table', 'tableValues': '0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1'},
+      replacementComponentTransfer,
+    );
+    // Color the highlight
+    dom.createSvgElement(
+      Svg.FEFLOOD,
+      {
+        'flood-color': this.REPLACEMENT_GLOW_COLOUR,
+        'flood-opacity': 1,
+        'result': 'outColor',
+      },
+      replacementGlowFilter,
+    );
+    dom.createSvgElement(
+      Svg.FECOMPOSITE,
+      {
+        'in': 'outColor',
+        'in2': 'outBlur',
+        'operator': 'in',
+        'result': 'outGlow',
+      },
+      replacementGlowFilter,
+    );
+    dom.createSvgElement(
+      Svg.FECOMPOSITE,
+      {
+        'in': 'SourceGraphic',
+        'in2': 'outGlow',
+        'operator': 'over',
+      },
+      replacementGlowFilter,
+    );
+    this.replacementGlowFilterId = replacementGlowFilter.id;
+    this.replacementGlowFilter = replacementGlowFilter;
+  }
+
+  override getCSS_(selector: string) {
+    return [
+      /* eslint-disable indent */
+      // Text.
+      `${selector} .blocklyText,`,
+      `${selector} .blocklyFlyoutLabelText {`,
+      `font: ${this.FIELD_TEXT_FONTWEIGHT} ${this.FIELD_TEXT_FONTSIZE}` +
+        `pt ${this.FIELD_TEXT_FONTFAMILY};`,
+      `}`,
+
+      `${selector} .blocklyTextInputBubble textarea {`,
+      `font-weight: normal;`,
+      `}`,
+
+      // Fields.
+      `${selector} .blocklyText {`,
+      `fill: #fff;`,
+      `}`,
+      `${selector} .blocklyNonEditableText>rect:not(.blocklyDropdownRect),`,
+      `${selector} .blocklyEditableText>rect:not(.blocklyDropdownRect) {`,
+      `fill: ${this.FIELD_BORDER_RECT_COLOUR};`,
+      `}`,
+      `${selector} .blocklyNonEditableText>text,`,
+      `${selector} .blocklyEditableText>text,`,
+      `${selector} .blocklyNonEditableText>g>text,`,
+      `${selector} .blocklyEditableText>g>text {`,
+      `fill: #575E75;`,
+      `}`,
+
+      // Flyout labels.
+      `${selector} .blocklyFlyoutLabelText {`,
+      `fill: #575E75;`,
+      `}`,
+
+      // Bubbles.
+      `${selector} .blocklyText.blocklyBubbleText {`,
+      `fill: #575E75;`,
+      `}`,
+
+      // Editable field hover.
+      `${selector} .blocklyDraggable:not(.blocklyDisabled)`,
+      ` .blocklyEditableText:not(.editing):hover>rect,`,
+      `${selector} .blocklyDraggable:not(.blocklyDisabled)`,
+      ` .blocklyEditableText:not(.editing):hover>.blocklyPath {`,
+      `stroke: #fff;`,
+      `stroke-width: 2;`,
+      `}`,
+
+      // Text field input.
+      `${selector} .blocklyHtmlInput {`,
+      `font-family: ${this.FIELD_TEXT_FONTFAMILY};`,
+      `font-weight: ${this.FIELD_TEXT_FONTWEIGHT};`,
+      `color: #575E75;`,
+      `}`,
+
+      // Dropdown field.
+      `${selector} .blocklyDropdownText {`,
+      `fill: #fff !important;`,
+      `}`,
+
+      // Widget and Dropdown Div
+      `${selector}.blocklyWidgetDiv .goog-menuitem,`,
+      `${selector}.blocklyDropDownDiv .goog-menuitem {`,
+      `font-family: ${this.FIELD_TEXT_FONTFAMILY};`,
+      `}`,
+      `${selector}.blocklyDropDownDiv .goog-menuitem-content {`,
+      `color: #fff;`,
+      `}`,
+
+      // Connection highlight.
+      `${selector} .blocklyHighlightedConnectionPath {`,
+      `stroke: ${this.SELECTED_GLOW_COLOUR};`,
+      `}`,
+
+      // Disabled outline paths.
+      `${selector} .blocklyDisabled > .blocklyOutlinePath {`,
+      `fill: url(#blocklyDisabledPattern${this.randomIdentifier})`,
+      `}`,
+
+      // Insertion marker.
+      `${selector} .blocklyInsertionMarker>.blocklyPath {`,
+      `fill-opacity: ${this.INSERTION_MARKER_OPACITY};`,
+      `stroke: none;`,
+      `}`,
+    ];
+  }
+}
+/* eslint-enable indent */
diff --git a/core/renderers/zelos/drawer.js b/core/renderers/zelos/drawer.js
deleted file mode 100644
index 4e15bfd014c..00000000000
--- a/core/renderers/zelos/drawer.js
+++ /dev/null
@@ -1,233 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Zelos renderer.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.zelos.Drawer');
-
-goog.require('Blockly.blockRendering.ConstantProvider');
-goog.require('Blockly.blockRendering.Drawer');
-goog.require('Blockly.blockRendering.Types');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.zelos.RenderInfo');
-
-goog.requireType('Blockly.zelos.PathObject');
-
-
-/**
- * An object that draws a block based on the given rendering information.
- * @param {!Blockly.BlockSvg} block The block to render.
- * @param {!Blockly.zelos.RenderInfo} info An object containing all
- *   information needed to render this block.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Drawer}
- */
-Blockly.zelos.Drawer = function(block, info) {
-  Blockly.zelos.Drawer.superClass_.constructor.call(this, block, info);
-};
-Blockly.utils.object.inherits(Blockly.zelos.Drawer,
-    Blockly.blockRendering.Drawer);
-
-
-/**
- * @override
- */
-Blockly.zelos.Drawer.prototype.draw = function() {
-  var pathObject =
-    /** @type {!Blockly.zelos.PathObject} */ (this.block_.pathObject);
-  pathObject.beginDrawing();
-  this.hideHiddenIcons_();
-  this.drawOutline_();
-  this.drawInternals_();
-
-  pathObject.setPath(this.outlinePath_ + '\n' + this.inlinePath_);
-  if (this.info_.RTL) {
-    pathObject.flipRTL();
-  }
-  if (Blockly.blockRendering.useDebugger) {
-    this.block_.renderingDebugger.drawDebug(this.block_, this.info_);
-  }
-  this.recordSizeOnBlock_();
-  if (this.info_.outputConnection) {
-    // Store the output connection shape type for parent blocks to use during
-    // rendering.
-    pathObject.outputShapeType = this.info_.outputConnection.shape.type;
-  }
-  pathObject.endDrawing();
-};
-
-/**
- * @override
- */
-Blockly.zelos.Drawer.prototype.drawOutline_ = function() {
-  if (this.info_.outputConnection &&
-      this.info_.outputConnection.isDynamicShape &&
-      !this.info_.hasStatementInput &&
-      !this.info_.bottomRow.hasNextConnection) {
-    this.drawFlatTop_();
-    this.drawRightDynamicConnection_();
-    this.drawFlatBottom_();
-    this.drawLeftDynamicConnection_();
-  } else {
-    Blockly.zelos.Drawer.superClass_.drawOutline_.call(this);
-  }
-};
-
-/**
- * @override
- */
-Blockly.zelos.Drawer.prototype.drawLeft_ = function() {
-  if (this.info_.outputConnection &&
-      this.info_.outputConnection.isDynamicShape) {
-    this.drawLeftDynamicConnection_();
-  } else {
-    Blockly.zelos.Drawer.superClass_.drawLeft_.call(this);
-  }
-};
-
-/**
- * Add steps for the right side of a row that does not have value or
- * statement input connections.
- * @param {!Blockly.blockRendering.Row} row The row to draw the
- *     side of.
- * @protected
- */
-Blockly.zelos.Drawer.prototype.drawRightSideRow_ = function(row) {
-  if (row.height <= 0) {
-    return;
-  }
-  if (row.precedesStatement || row.followsStatement) {
-    var cornerHeight = this.constants_.INSIDE_CORNERS.rightHeight;
-    var remainingHeight = row.height -
-        (row.precedesStatement ? cornerHeight : 0);
-    this.outlinePath_ +=
-        (row.followsStatement ?
-            this.constants_.INSIDE_CORNERS.pathBottomRight : '') +
-        (remainingHeight > 0 ?
-            Blockly.utils.svgPaths
-                .lineOnAxis('V', row.yPos + remainingHeight) : '') +
-        (row.precedesStatement ?
-            this.constants_.INSIDE_CORNERS.pathTopRight : '');
-  } else {
-    this.outlinePath_ +=
-        Blockly.utils.svgPaths.lineOnAxis('V', row.yPos + row.height);
-  }
-};
-
-/**
- * Add steps to draw the right side of an output with a dynamic connection.
- * @protected
- */
-Blockly.zelos.Drawer.prototype.drawRightDynamicConnection_ = function() {
-  this.outlinePath_ += this.info_.outputConnection.shape.pathRightDown(
-      this.info_.outputConnection.height);
-};
-
-/**
- * Add steps to draw the left side of an output with a dynamic connection.
- * @protected
- */
-Blockly.zelos.Drawer.prototype.drawLeftDynamicConnection_ = function() {
-  this.positionOutputConnection_();
-
-  this.outlinePath_ += this.info_.outputConnection.shape.pathUp(
-      this.info_.outputConnection.height);
-
-  // Close off the path.  This draws a vertical line up to the start of the
-  // block's path, which may be either a rounded or a sharp corner.
-  this.outlinePath_ += 'z';
-};
-
-/**
- * Add steps to draw a flat top row.
- * @protected
- */
-Blockly.zelos.Drawer.prototype.drawFlatTop_ = function() {
-  var topRow = this.info_.topRow;
-  this.positionPreviousConnection_();
-
-  this.outlinePath_ +=
-      Blockly.utils.svgPaths.moveBy(topRow.xPos, this.info_.startY);
-
-  this.outlinePath_ += Blockly.utils.svgPaths.lineOnAxis('h', topRow.width);
-};
-
-/**
- * Add steps to draw a flat bottom row.
- * @protected
- */
-Blockly.zelos.Drawer.prototype.drawFlatBottom_ = function() {
-  var bottomRow = this.info_.bottomRow;
-  this.positionNextConnection_();
-
-  this.outlinePath_ +=
-    Blockly.utils.svgPaths.lineOnAxis('V', bottomRow.baseline);
-
-  this.outlinePath_ += Blockly.utils.svgPaths.lineOnAxis('h', -bottomRow.width);
-};
-
-/**
- * @override
- */
-Blockly.zelos.Drawer.prototype.drawInlineInput_ = function(input) {
-  this.positionInlineInputConnection_(input);
-
-  var inputName = input.input.name;
-  if (input.connectedBlock || this.info_.isInsertionMarker) {
-    return;
-  }
-
-  var width = input.width - (input.connectionWidth * 2);
-  var height = input.height;
-  var yPos = input.centerline - height / 2;
-
-  var connectionRight = input.xPos + input.connectionWidth;
-
-  var outlinePath = Blockly.utils.svgPaths.moveTo(connectionRight, yPos) +
-      Blockly.utils.svgPaths.lineOnAxis('h', width) +
-      input.shape.pathRightDown(input.height) +
-      Blockly.utils.svgPaths.lineOnAxis('h', -width) +
-      input.shape.pathUp(input.height) +
-      'z';
-  this.block_.pathObject.setOutlinePath(inputName, outlinePath);
-};
-
-/**
- * @override
- */
-Blockly.zelos.Drawer.prototype.drawStatementInput_ = function(row) {
-  var input = row.getLastInput();
-  // Where to start drawing the notch, which is on the right side in LTR.
-  var x = input.xPos + input.notchOffset + input.shape.width;
-
-  var innerTopLeftCorner =
-      input.shape.pathRight +
-      Blockly.utils.svgPaths.lineOnAxis('h',
-          -(input.notchOffset - this.constants_.INSIDE_CORNERS.width)) +
-      this.constants_.INSIDE_CORNERS.pathTop;
-
-  var innerHeight =
-      row.height - (2 * this.constants_.INSIDE_CORNERS.height);
-
-  var innerBottomLeftCorner =
-    this.constants_.INSIDE_CORNERS.pathBottom +
-    Blockly.utils.svgPaths.lineOnAxis('h',
-        (input.notchOffset - this.constants_.INSIDE_CORNERS.width)) +
-    (input.connectedBottomNextConnection ? '' : input.shape.pathLeft);
-
-  this.outlinePath_ += Blockly.utils.svgPaths.lineOnAxis('H', x) +
-      innerTopLeftCorner +
-      Blockly.utils.svgPaths.lineOnAxis('v', innerHeight) +
-      innerBottomLeftCorner +
-      Blockly.utils.svgPaths.lineOnAxis('H', row.xPos + row.width);
-
-  this.positionStatementInputConnection_(row);
-};
diff --git a/core/renderers/zelos/drawer.ts b/core/renderers/zelos/drawer.ts
new file mode 100644
index 00000000000..009247aeae4
--- /dev/null
+++ b/core/renderers/zelos/drawer.ts
@@ -0,0 +1,274 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.zelos.Drawer
+
+import type {BlockSvg} from '../../block_svg.js';
+import {ConnectionType} from '../../connection_type.js';
+import * as svgPaths from '../../utils/svg_paths.js';
+import type {BaseShape, DynamicShape, Notch} from '../common/constants.js';
+import {Drawer as BaseDrawer} from '../common/drawer.js';
+import {Connection} from '../measurables/connection.js';
+import type {InlineInput} from '../measurables/inline_input.js';
+import {OutputConnection} from '../measurables/output_connection.js';
+import type {Row} from '../measurables/row.js';
+import type {SpacerRow} from '../measurables/spacer_row.js';
+import {Types} from '../measurables/types.js';
+
+import type {InsideCorners} from './constants.js';
+import type {RenderInfo} from './info.js';
+import type {StatementInput} from './measurables/inputs.js';
+import type {PathObject} from './path_object.js';
+
+/**
+ * An object that draws a block based on the given rendering information.
+ */
+export class Drawer extends BaseDrawer {
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  override info_!: RenderInfo;
+
+  /**
+   * @param block The block to render.
+   * @param info An object containing all information needed to render this
+   *     block.
+   */
+  constructor(block: BlockSvg, info: RenderInfo) {
+    super(block, info);
+  }
+
+  override draw() {
+    const pathObject = this.block_.pathObject as PathObject;
+    pathObject.beginDrawing();
+    this.drawOutline_();
+    this.drawInternals_();
+    this.updateConnectionHighlights();
+
+    pathObject.setPath(this.outlinePath_ + '\n' + this.inlinePath_);
+    if (this.info_.RTL) {
+      pathObject.flipRTL();
+    }
+    this.recordSizeOnBlock_();
+    if (this.info_.outputConnection) {
+      // Store the output connection shape type for parent blocks to use during
+      // rendering.
+      pathObject.outputShapeType = this.info_.outputConnection.shape.type;
+    }
+    pathObject.endDrawing();
+  }
+
+  override drawOutline_() {
+    if (
+      this.info_.outputConnection &&
+      this.info_.outputConnection.isDynamicShape &&
+      !this.info_.hasStatementInput &&
+      !this.info_.bottomRow.hasNextConnection
+    ) {
+      this.drawFlatTop_();
+      this.drawRightDynamicConnection_();
+      this.drawFlatBottom_();
+      this.drawLeftDynamicConnection_();
+    } else {
+      super.drawOutline_();
+    }
+  }
+
+  override drawLeft_() {
+    if (
+      this.info_.outputConnection &&
+      this.info_.outputConnection.isDynamicShape
+    ) {
+      this.drawLeftDynamicConnection_();
+    } else {
+      super.drawLeft_();
+    }
+  }
+
+  /**
+   * Add steps for the right side of a row that does not have value or
+   * statement input connections.
+   *
+   * @param row The row to draw the side of.
+   */
+  protected override drawRightSideRow_(row: Row) {
+    if (row.height <= 0) {
+      return;
+    }
+    if (Types.isSpacer(row)) {
+      const spacerRow = row as SpacerRow;
+      const precedesStatement = spacerRow.precedesStatement;
+      const followsStatement = spacerRow.followsStatement;
+      if (precedesStatement || followsStatement) {
+        const insideCorners = this.constants_.INSIDE_CORNERS as InsideCorners;
+        const cornerHeight = insideCorners.rightHeight;
+        const remainingHeight =
+          spacerRow.height - (precedesStatement ? cornerHeight : 0);
+        const bottomRightPath = followsStatement
+          ? insideCorners.pathBottomRight
+          : '';
+        const verticalPath =
+          remainingHeight > 0
+            ? svgPaths.lineOnAxis('V', spacerRow.yPos + remainingHeight)
+            : '';
+        const topRightPath = precedesStatement
+          ? insideCorners.pathTopRight
+          : '';
+        // Put all of the partial paths together.
+        this.outlinePath_ += bottomRightPath + verticalPath + topRightPath;
+        return;
+      }
+    }
+    this.outlinePath_ += svgPaths.lineOnAxis('V', row.yPos + row.height);
+  }
+
+  /**
+   * Add steps to draw the right side of an output with a dynamic connection.
+   */
+  protected drawRightDynamicConnection_() {
+    if (!this.info_.outputConnection) {
+      throw new Error(
+        `Cannot draw the output connection of a block that doesn't have one`,
+      );
+    }
+    this.outlinePath_ += (
+      this.info_.outputConnection.shape as DynamicShape
+    ).pathRightDown(this.info_.outputConnection.height);
+  }
+
+  /**
+   * Add steps to draw the left side of an output with a dynamic connection.
+   */
+  protected drawLeftDynamicConnection_() {
+    if (!this.info_.outputConnection) {
+      throw new Error(
+        `Cannot draw the output connection of a block that doesn't have one`,
+      );
+    }
+    this.positionOutputConnection_();
+
+    this.outlinePath_ += (
+      this.info_.outputConnection.shape as DynamicShape
+    ).pathUp(this.info_.outputConnection.height);
+
+    // Close off the path.  This draws a vertical line up to the start of the
+    // block's path, which may be either a rounded or a sharp corner.
+    this.outlinePath_ += 'z';
+  }
+
+  /** Add steps to draw a flat top row. */
+  protected drawFlatTop_() {
+    const topRow = this.info_.topRow;
+    this.positionPreviousConnection_();
+
+    this.outlinePath_ += svgPaths.moveBy(topRow.xPos, this.info_.startY);
+    this.outlinePath_ += svgPaths.lineOnAxis('h', topRow.width);
+  }
+
+  /** Add steps to draw a flat bottom row. */
+  protected drawFlatBottom_() {
+    const bottomRow = this.info_.bottomRow;
+    this.positionNextConnection_();
+
+    this.outlinePath_ += svgPaths.lineOnAxis('V', bottomRow.baseline);
+    this.outlinePath_ += svgPaths.lineOnAxis('h', -bottomRow.width);
+  }
+
+  override drawInlineInput_(input: InlineInput) {
+    this.positionInlineInputConnection_(input);
+
+    const inputName = input.input.name;
+    if (input.connectedBlock || this.info_.isInsertionMarker) {
+      return;
+    }
+
+    const yPos = input.centerline - input.height / 2;
+    const connectionRight = input.xPos + input.connectionWidth;
+
+    const path =
+      svgPaths.moveTo(connectionRight, yPos) + this.getInlineInputPath(input);
+
+    const pathObject = this.block_.pathObject as PathObject;
+    pathObject.setOutlinePath(inputName, path);
+  }
+
+  private getInlineInputPath(input: InlineInput) {
+    const width = input.width - input.connectionWidth * 2;
+    const height = input.height;
+
+    return (
+      svgPaths.lineOnAxis('h', width) +
+      (input.shape as DynamicShape).pathRightDown(height) +
+      svgPaths.lineOnAxis('h', -width) +
+      (input.shape as DynamicShape).pathUp(height) +
+      'z'
+    );
+  }
+
+  override drawStatementInput_(row: Row) {
+    const input = row.getLastInput() as StatementInput;
+    // Where to start drawing the notch, which is on the right side in LTR.
+    const x = input.xPos + input.notchOffset + (input.shape as BaseShape).width;
+
+    const insideCorners = this.constants_.INSIDE_CORNERS;
+    const innerTopLeftCorner =
+      (input.shape as Notch).pathRight +
+      svgPaths.lineOnAxis('h', -(input.notchOffset - insideCorners.width)) +
+      insideCorners.pathTop;
+
+    const innerHeight = row.height - 2 * insideCorners.height;
+
+    const innerBottomLeftCorner =
+      insideCorners.pathBottom +
+      svgPaths.lineOnAxis('h', input.notchOffset - insideCorners.width) +
+      (input.connectedBottomNextConnection
+        ? ''
+        : (input.shape as Notch).pathLeft);
+
+    this.outlinePath_ +=
+      svgPaths.lineOnAxis('H', x) +
+      innerTopLeftCorner +
+      svgPaths.lineOnAxis('v', innerHeight) +
+      innerBottomLeftCorner +
+      svgPaths.lineOnAxis('H', row.xPos + row.width);
+
+    this.positionStatementInputConnection_(row);
+  }
+
+  /** Returns a path to highlight the given connection. */
+  drawConnectionHighlightPath(measurable: Connection) {
+    const conn = measurable.connectionModel;
+    if (
+      conn.type === ConnectionType.NEXT_STATEMENT ||
+      conn.type === ConnectionType.PREVIOUS_STATEMENT ||
+      (conn.type === ConnectionType.OUTPUT_VALUE && !measurable.isDynamicShape)
+    ) {
+      super.drawConnectionHighlightPath(measurable);
+      return;
+    }
+
+    let path = '';
+    if (conn.type === ConnectionType.INPUT_VALUE) {
+      const input = measurable as InlineInput;
+      const xPos = input.connectionWidth;
+      const yPos = -input.height / 2;
+      path = svgPaths.moveTo(xPos, yPos) + this.getInlineInputPath(input);
+    } else {
+      // Dynamic output.
+      const output = measurable as OutputConnection;
+      const xPos = output.width;
+      const yPos = -output.height / 2;
+      path =
+        svgPaths.moveTo(xPos, yPos) +
+        (output.shape as DynamicShape).pathDown(output.height);
+    }
+    const block = conn.getSourceBlock();
+    block.pathObject.addConnectionHighlight?.(
+      conn,
+      path,
+      conn.getOffsetInBlock(),
+      block.RTL,
+    );
+  }
+}
diff --git a/core/renderers/zelos/info.js b/core/renderers/zelos/info.js
deleted file mode 100644
index ac822772b8f..00000000000
--- a/core/renderers/zelos/info.js
+++ /dev/null
@@ -1,587 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Makecode/scratch-style renderer.
- * Zelos: spirit of eager rivalry, emulation, envy, jealousy, and zeal.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.zelos');
-goog.provide('Blockly.zelos.RenderInfo');
-
-goog.require('Blockly.blockRendering.BottomRow');
-goog.require('Blockly.blockRendering.ExternalValueInput');
-goog.require('Blockly.blockRendering.InlineInput');
-goog.require('Blockly.blockRendering.InputRow');
-goog.require('Blockly.blockRendering.Measurable');
-goog.require('Blockly.blockRendering.NextConnection');
-goog.require('Blockly.blockRendering.OutputConnection');
-goog.require('Blockly.blockRendering.PreviousConnection');
-goog.require('Blockly.blockRendering.RenderInfo');
-goog.require('Blockly.blockRendering.RoundCorner');
-goog.require('Blockly.blockRendering.Row');
-goog.require('Blockly.blockRendering.SquareCorner');
-goog.require('Blockly.blockRendering.SpacerRow');
-goog.require('Blockly.blockRendering.TopRow');
-goog.require('Blockly.blockRendering.Types');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.zelos.BottomRow');
-goog.require('Blockly.zelos.RightConnectionShape');
-goog.require('Blockly.zelos.StatementInput');
-goog.require('Blockly.zelos.TopRow');
-
-
-/**
- * An object containing all sizing information needed to draw this block.
- *
- * This measure pass does not propagate changes to the block (although fields
- * may choose to rerender when getSize() is called).  However, calling it
- * repeatedly may be expensive.
- *
- * @param {!Blockly.zelos.Renderer} renderer The renderer in use.
- * @param {!Blockly.BlockSvg} block The block to measure.
- * @constructor
- * @package
- * @extends {Blockly.blockRendering.RenderInfo}
- */
-Blockly.zelos.RenderInfo = function(renderer, block) {
-  Blockly.zelos.RenderInfo.superClass_.constructor.call(this, renderer, block);
-
-  /**
-   * An object with rendering information about the top row of the block.
-   * @type {!Blockly.zelos.TopRow}
-   * @override
-   */
-  this.topRow = new Blockly.zelos.TopRow(this.constants_);
-
-  /**
-   * An object with rendering information about the bottom row of the block.
-   * @type {!Blockly.zelos.BottomRow}
-   * @override
-   */
-  this.bottomRow = new Blockly.zelos.BottomRow(this.constants_);
-
-  /**
-   * @override
-   */
-  this.isInline = true;
-
-  /**
-   * Whether the block should be rendered as a multi-line block, either because
-   * it's not inline or because it has been collapsed.
-   * @type {boolean}
-   */
-  this.isMultiRow = !block.getInputsInline() || block.isCollapsed();
-
-  /**
-   * Whether or not the block has a statement input in one of its rows.
-   * @type {boolean}
-   */
-  this.hasStatementInput = block.statementInputCount > 0;
-
-  /**
-   * An object with rendering information about the right connection shape.
-   * @type {Blockly.zelos.RightConnectionShape}
-   */
-  this.rightSide = this.outputConnection ?
-      new Blockly.zelos.RightConnectionShape(this.constants_) : null;
-};
-Blockly.utils.object.inherits(Blockly.zelos.RenderInfo,
-    Blockly.blockRendering.RenderInfo);
-
-/**
- * Get the block renderer in use.
- * @return {!Blockly.zelos.Renderer} The block renderer in use.
- * @package
- */
-Blockly.zelos.RenderInfo.prototype.getRenderer = function() {
-  return /** @type {!Blockly.zelos.Renderer} */ (this.renderer_);
-};
-
-/**
- * @override
- */
-Blockly.zelos.RenderInfo.prototype.measure = function() {
-  // Modifying parent measure method to add `adjustXPosition_`.
-  this.createRows_();
-  this.addElemSpacing_();
-  this.addRowSpacing_();
-  this.adjustXPosition_();
-  this.computeBounds_();
-  this.alignRowElements_();
-  this.finalize_();
-};
-
-/**
- * @override
- */
-Blockly.zelos.RenderInfo.prototype.shouldStartNewRow_ = function(input,
-    lastInput) {
-  // If this is the first input, just add to the existing row.
-  // That row is either empty or has some icons in it.
-  if (!lastInput) {
-    return false;
-  }
-  // A statement input or an input following one always gets a new row.
-  if (input.type == Blockly.NEXT_STATEMENT ||
-      lastInput.type == Blockly.NEXT_STATEMENT) {
-    return true;
-  }
-  // Value and dummy inputs get new row if inputs are not inlined.
-  if (input.type == Blockly.INPUT_VALUE || input.type == Blockly.DUMMY_INPUT) {
-    return !this.isInline || this.isMultiRow;
-  }
-  return false;
-};
-
-
-/**
- * @override
- */
-Blockly.zelos.RenderInfo.prototype.getDesiredRowWidth_ = function(row) {
-  if (row.hasStatement) {
-    var rightCornerWidth = this.constants_.INSIDE_CORNERS.rightWidth || 0;
-    return this.width - this.startX - rightCornerWidth;
-  }
-  return Blockly.zelos.RenderInfo.superClass_.getDesiredRowWidth_.call(this,
-      row);
-};
-
-/**
- * @override
- */
-Blockly.zelos.RenderInfo.prototype.getInRowSpacing_ = function(prev, next) {
-  if (!prev || !next) {
-    // No need for padding at the beginning or end of the row if the
-    // output shape is dynamic.
-    if (this.outputConnection && this.outputConnection.isDynamicShape &&
-        !this.hasStatementInput && !this.bottomRow.hasNextConnection) {
-      return this.constants_.NO_PADDING;
-    }
-  }
-  if (!prev) {
-    // Statement input padding.
-    if (next && Blockly.blockRendering.Types.isStatementInput(next)) {
-      return this.constants_.STATEMENT_INPUT_PADDING_LEFT;
-    }
-  }
-  // Spacing between a rounded corner and a previous or next connection.
-  if (prev && Blockly.blockRendering.Types.isLeftRoundedCorner(prev) && next) {
-    if (Blockly.blockRendering.Types.isPreviousConnection(next) ||
-      Blockly.blockRendering.Types.isNextConnection(next)) {
-      return next.notchOffset - this.constants_.CORNER_RADIUS;
-    }
-  }
-  // Spacing between a square corner and a hat.
-  if (prev && Blockly.blockRendering.Types.isLeftSquareCorner(prev) && next &&
-      Blockly.blockRendering.Types.isHat(next)) {
-    return this.constants_.NO_PADDING;
-  }
-  return this.constants_.MEDIUM_PADDING;
-};
-
-/**
- * @override
- */
-Blockly.zelos.RenderInfo.prototype.getSpacerRowHeight_ = function(
-    prev, next) {
-  // If we have an empty block add a spacer to increase the height.
-  if (Blockly.blockRendering.Types.isTopRow(prev) &&
-      Blockly.blockRendering.Types.isBottomRow(next)) {
-    return this.constants_.EMPTY_BLOCK_SPACER_HEIGHT;
-  }
-  var followsStatement =
-      Blockly.blockRendering.Types.isInputRow(prev) && prev.hasStatement;
-  var precedesStatement =
-      Blockly.blockRendering.Types.isInputRow(next) && next.hasStatement;
-  if (precedesStatement || followsStatement) {
-    var cornerHeight = this.constants_.INSIDE_CORNERS.rightHeight || 0;
-    var height = Math.max(this.constants_.NOTCH_HEIGHT, cornerHeight);
-    return precedesStatement && followsStatement ?
-        Math.max(height, this.constants_.DUMMY_INPUT_MIN_HEIGHT) : height;
-  }
-  // Top and bottom rows act as a spacer so we don't need any extra padding.
-  if ((Blockly.blockRendering.Types.isTopRow(prev))) {
-    if (!prev.hasPreviousConnection &&
-        (!this.outputConnection || this.hasStatementInput)) {
-      return Math.abs(this.constants_.NOTCH_HEIGHT -
-          this.constants_.CORNER_RADIUS);
-    }
-    return this.constants_.NO_PADDING;
-  }
-  if ((Blockly.blockRendering.Types.isBottomRow(next))) {
-    if (!this.outputConnection) {
-      var topHeight = Math.max(this.topRow.minHeight,
-          Math.max(this.constants_.NOTCH_HEIGHT,
-              this.constants_.CORNER_RADIUS)) - this.constants_.CORNER_RADIUS;
-      return topHeight;
-    } else if (!next.hasNextConnection && this.hasStatementInput) {
-      return Math.abs(this.constants_.NOTCH_HEIGHT -
-          this.constants_.CORNER_RADIUS);
-    }
-    return this.constants_.NO_PADDING;
-  }
-  return this.constants_.MEDIUM_PADDING;
-};
-
-/**
- * @override
- */
-Blockly.zelos.RenderInfo.prototype.getSpacerRowWidth_ = function(prev, next) {
-  var width = this.width - this.startX;
-  if ((Blockly.blockRendering.Types.isInputRow(prev) && prev.hasStatement) ||
-      (Blockly.blockRendering.Types.isInputRow(next) && next.hasStatement)) {
-    return Math.max(width, this.constants_.STATEMENT_INPUT_SPACER_MIN_WIDTH);
-  }
-  return width;
-};
-
-/**
- * @override
- */
-Blockly.zelos.RenderInfo.prototype.getElemCenterline_ = function(row, elem) {
-  if (row.hasStatement && !Blockly.blockRendering.Types.isSpacer(elem) &&
-      !Blockly.blockRendering.Types.isStatementInput(elem)) {
-    return row.yPos + this.constants_.EMPTY_STATEMENT_INPUT_HEIGHT / 2;
-  }
-  if (Blockly.blockRendering.Types.isInlineInput(elem)) {
-    var connectedBlock = elem.connectedBlock;
-    if (connectedBlock && connectedBlock.outputConnection &&
-        connectedBlock.nextConnection) {
-      return row.yPos + connectedBlock.height / 2;
-    }
-  }
-  return Blockly.zelos.RenderInfo.superClass_.getElemCenterline_.call(this,
-      row, elem);
-};
-
-/**
- * @override
- */
-Blockly.zelos.RenderInfo.prototype.addInput_ = function(input, activeRow) {
-  // If we have two dummy inputs on the same row, one aligned left and the other
-  // right, keep track of the right aligned dummy input so we can add padding
-  // later.
-  if (input.type == Blockly.DUMMY_INPUT && activeRow.hasDummyInput &&
-      activeRow.align == Blockly.ALIGN_LEFT &&
-      input.align == Blockly.ALIGN_RIGHT) {
-    activeRow.rightAlignedDummyInput = input;
-  }
-  Blockly.zelos.RenderInfo.superClass_.addInput_.call(this, input, activeRow);
-};
-
-/**
- * @override
- */
-Blockly.zelos.RenderInfo.prototype.addAlignmentPadding_ = function(row,
-    missingSpace) {
-  if (row.rightAlignedDummyInput) {
-    var alignmentDivider;
-    for (var i = 0, elem; (elem = row.elements[i]); i++) {
-      if (Blockly.blockRendering.Types.isSpacer(elem)) {
-        alignmentDivider = elem;
-      }
-      if (Blockly.blockRendering.Types.isField(elem) &&
-        elem.parentInput == row.rightAlignedDummyInput) {
-        break;
-      }
-    }
-    if (alignmentDivider) {
-      alignmentDivider.width += missingSpace;
-      row.width += missingSpace;
-      return;
-    }
-  }
-  Blockly.zelos.RenderInfo.superClass_.addAlignmentPadding_.call(this, row,
-      missingSpace);
-};
-
-/**
- * Adjust the x position of fields to bump all non-label fields in the first row
- * past the notch position.  This must be called before ``computeBounds`` is
- * called.
- * @protected
- */
-Blockly.zelos.RenderInfo.prototype.adjustXPosition_ = function() {
-  var notchTotalWidth = this.constants_.NOTCH_OFFSET_LEFT +
-      this.constants_.NOTCH_WIDTH;
-  var minXPos = notchTotalWidth;
-  // Run through every input row on the block and only apply bump logic to the
-  // first input row (if the block has prev connection) and every input row that
-  // has a prev and next notch.
-  for (var i = 2; i < this.rows.length - 1; i += 2) {
-    var prevSpacer = this.rows[i - 1];
-    var row = this.rows[i];
-    var nextSpacer = this.rows[i + 1];
-
-    var hasPrevNotch = i == 2 ?
-        !!this.topRow.hasPreviousConnection : !!prevSpacer.followsStatement;
-    var hasNextNotch = i + 2 >= this.rows.length - 1 ?
-        !!this.bottomRow.hasNextConnection : !!nextSpacer.precedesStatement;
-
-    if (Blockly.blockRendering.Types.isInputRow(row) && row.hasStatement) {
-      row.measure();
-      minXPos = row.width - row.getLastInput().width + notchTotalWidth;
-    } else if (hasPrevNotch && (i == 2 || hasNextNotch) &&
-        Blockly.blockRendering.Types.isInputRow(row) && !row.hasStatement) {
-      var xCursor = row.xPos;
-      var prevInRowSpacer = null;
-      for (var j = 0, elem; (elem = row.elements[j]); j++) {
-        if (Blockly.blockRendering.Types.isSpacer(elem)) {
-          prevInRowSpacer = elem;
-        }
-        if (prevInRowSpacer && (Blockly.blockRendering.Types.isField(elem) ||
-            Blockly.blockRendering.Types.isInput(elem))) {
-          if (xCursor < minXPos &&
-              !(Blockly.blockRendering.Types.isField(elem) &&
-              (elem.field instanceof Blockly.FieldLabel ||
-              elem.field instanceof Blockly.FieldImage))) {
-            var difference = minXPos - xCursor;
-            prevInRowSpacer.width += difference;
-          }
-        }
-        xCursor += elem.width;
-      }
-    }
-  }
-};
-
-/**
- * Finalize the output connection info.  In particular, set the height of the
- * output connection to match that of the block.  For the right side, add a
- * right connection shape element and have it match the dimensions of the
- * output connection.
- * @protected
- */
-Blockly.zelos.RenderInfo.prototype.finalizeOutputConnection_ = function() {
-  // Dynamic output connections depend on the height of the block.
-  if (!this.outputConnection || !this.outputConnection.isDynamicShape) {
-    return;
-  }
-  var yCursor = 0;
-  // Determine the block height.
-  for (var i = 0, row; (row = this.rows[i]); i++) {
-    row.yPos = yCursor;
-    yCursor += row.height;
-  }
-  this.height = yCursor;
-
-  // Adjust the height of the output connection.
-  var blockHeight = this.bottomRow.hasNextConnection ?
-      this.height - this.bottomRow.descenderHeight : this.height;
-  var connectionHeight = this.outputConnection.shape.height(blockHeight);
-  var connectionWidth = this.outputConnection.shape.width(blockHeight);
-
-  this.outputConnection.height = connectionHeight;
-  this.outputConnection.width = connectionWidth;
-  this.outputConnection.startX = connectionWidth;
-  this.outputConnection.connectionOffsetY =
-      this.outputConnection.shape.connectionOffsetY(connectionHeight);
-  this.outputConnection.connectionOffsetX =
-      this.outputConnection.shape.connectionOffsetX(connectionWidth);
-
-  // Add the right connection measurable.
-  // Don't add it if we have a value-to-statement or a value-to-stack block.
-  var rightConnectionWidth = 0;
-  if (!this.hasStatementInput && !this.bottomRow.hasNextConnection) {
-    rightConnectionWidth = connectionWidth;
-    this.rightSide.height = connectionHeight;
-    this.rightSide.width = rightConnectionWidth;
-    this.rightSide.centerline = connectionHeight / 2;
-    this.rightSide.xPos = this.width + rightConnectionWidth;
-  }
-  this.startX = connectionWidth;
-  this.width += connectionWidth + rightConnectionWidth;
-  this.widthWithChildren += connectionWidth + rightConnectionWidth;
-};
-
-/**
- * Finalize horizontal alignment of elements on the block.  In particular,
- * reduce the implicit spacing created by the left and right output connection
- * shapes by adding setting negative spacing onto the leftmost and rightmost
- * spacers.
- * @protected
- */
-Blockly.zelos.RenderInfo.prototype.finalizeHorizontalAlignment_ = function() {
-  if (!this.outputConnection || this.hasStatementInput ||
-      this.bottomRow.hasNextConnection) {
-    return;
-  }
-  var totalNegativeSpacing = 0;
-  for (var i = 0, row; (row = this.rows[i]); i++) {
-    if (!Blockly.blockRendering.Types.isInputRow(row)) {
-      continue;
-    }
-    var firstElem = row.elements[1];
-    var lastElem = row.elements[row.elements.length - 2];
-    var leftNegPadding = this.getNegativeSpacing_(firstElem);
-    var rightNegPadding = this.getNegativeSpacing_(lastElem);
-    totalNegativeSpacing = leftNegPadding + rightNegPadding;
-    var minBlockWidth = this.constants_.MIN_BLOCK_WIDTH +
-        this.outputConnection.width * 2;
-    if (this.width - totalNegativeSpacing < minBlockWidth) {
-      // Maintain a minimum block width, split negative spacing between left
-      // and right edge.
-      totalNegativeSpacing = this.width - minBlockWidth;
-      leftNegPadding = totalNegativeSpacing / 2;
-      rightNegPadding = totalNegativeSpacing / 2;
-    }
-    // Add a negative spacer on the start and end of the block.
-    row.elements.unshift(new Blockly.blockRendering.InRowSpacer(this.constants_,
-        -leftNegPadding));
-    row.elements.push(new Blockly.blockRendering.InRowSpacer(this.constants_,
-        -rightNegPadding));
-  }
-  if (totalNegativeSpacing) {
-    this.width -= totalNegativeSpacing;
-    this.widthWithChildren -= totalNegativeSpacing;
-    this.rightSide.xPos -= totalNegativeSpacing;
-    for (var i = 0, row; (row = this.rows[i]); i++) {
-      if (Blockly.blockRendering.Types.isTopOrBottomRow(row)) {
-        row.elements[1].width -= totalNegativeSpacing;
-        row.elements[1].widthWithConnectedBlocks -= totalNegativeSpacing;
-      }
-      row.width -= totalNegativeSpacing;
-      row.widthWithConnectedBlocks -= totalNegativeSpacing;
-    }
-  }
-};
-
-/**
- * Calculate the spacing to reduce the left and right edges by based on the
- * outer and inner connection shape.
- * @param {Blockly.blockRendering.Measurable} elem The first or last element on
- *     a block.
- * @return {number} The amount of spacing to reduce the first or last spacer.
- * @protected
- */
-Blockly.zelos.RenderInfo.prototype.getNegativeSpacing_ = function(elem) {
-  if (!elem) {
-    return 0;
-  }
-  var connectionWidth = this.outputConnection.width;
-  var outerShape = this.outputConnection.shape.type;
-  var constants =
-    /** @type {!Blockly.zelos.ConstantProvider} */ (this.constants_);
-  if (this.isMultiRow && this.inputRows.length > 1) {
-    switch (outerShape) {
-      case constants.SHAPES.ROUND:
-        // Special case for multi-row round reporter blocks.
-        var maxWidth = this.constants_.MAX_DYNAMIC_CONNECTION_SHAPE_WIDTH;
-        var width = this.height / 2 > maxWidth ? maxWidth : this.height / 2;
-        var topPadding = this.constants_.SMALL_PADDING;
-        var roundPadding = width *
-          (1 - Math.sin(Math.acos((width - topPadding) / width)));
-        return connectionWidth - roundPadding;
-      default:
-        return 0;
-    }
-  }
-  if (Blockly.blockRendering.Types.isInlineInput(elem)) {
-    var connectedBlock = elem.connectedBlock;
-    var innerShape = connectedBlock ?
-        connectedBlock.pathObject.outputShapeType :
-        elem.shape.type;
-    // Special case for value to stack / value to statement blocks.
-    if (connectedBlock && connectedBlock.outputConnection &&
-        (connectedBlock.statementInputCount || connectedBlock.nextConnection)) {
-      return 0;
-    }
-    // Special case for hexagonal output.
-    if (outerShape == constants.SHAPES.HEXAGONAL &&
-        outerShape != innerShape) {
-      return 0;
-    }
-    return connectionWidth -
-        this.constants_.SHAPE_IN_SHAPE_PADDING[outerShape][innerShape];
-  } else if (Blockly.blockRendering.Types.isField(elem)) {
-    // Special case for text inputs.
-    if (outerShape == constants.SHAPES.ROUND &&
-        elem.field instanceof Blockly.FieldTextInput) {
-      return connectionWidth - (2.75 * constants.GRID_UNIT);
-    }
-    return connectionWidth -
-        this.constants_.SHAPE_IN_SHAPE_PADDING[outerShape][0];
-  } else if (Blockly.blockRendering.Types.isIcon(elem)) {
-    return this.constants_.SMALL_PADDING;
-  }
-  return 0;
-};
-
-/**
- * Finalize vertical alignment of rows on a block.  In particular, reduce the
- * implicit spacing when a non-shadow block is connected to any of an input
- * row's inline inputs.
- * @protected
- */
-Blockly.zelos.RenderInfo.prototype.finalizeVerticalAlignment_ = function() {
-  if (this.outputConnection) {
-    return;
-  }
-  // Run through every input row on the block and only apply tight nesting logic
-  // to input rows that have a prev and next notch.
-  for (var i = 2; i < this.rows.length - 1; i += 2) {
-    var prevSpacer = this.rows[i - 1];
-    var row = this.rows[i];
-    var nextSpacer = this.rows[i + 1];
-
-    var firstRow = i == 2;
-    var hasPrevNotch = firstRow ?
-        !!this.topRow.hasPreviousConnection : !!prevSpacer.followsStatement;
-    var hasNextNotch = i + 2 >= this.rows.length - 1 ?
-        !!this.bottomRow.hasNextConnection : !!nextSpacer.precedesStatement;
-
-    if (hasPrevNotch) {
-      var hasSingleTextOrImageField = row.elements.length == 3 &&
-          (row.elements[1].field instanceof Blockly.FieldLabel ||
-              row.elements[1].field instanceof Blockly.FieldImage);
-      if (!firstRow && hasSingleTextOrImageField) {
-        // Remove some padding if we have a single image or text field.
-        prevSpacer.height -= this.constants_.SMALL_PADDING;
-        nextSpacer.height -= this.constants_.SMALL_PADDING;
-        row.height -= this.constants_.MEDIUM_PADDING;
-      } else if (!firstRow && !hasNextNotch) {
-        // Add a small padding so the notch doesn't clash with inputs/fields.
-        prevSpacer.height += this.constants_.SMALL_PADDING;
-      } else if (hasNextNotch) {
-        // Determine if the input row has non-shadow connected blocks.
-        var hasNonShadowConnectedBlocks = false;
-        var MIN_VERTICAL_TIGHTNESTING_HEIGHT = 40;
-        for (var j = 0, elem; (elem = row.elements[j]); j++) {
-          if (Blockly.blockRendering.Types.isInlineInput(elem) &&
-              elem.connectedBlock && !elem.connectedBlock.isShadow() &&
-              elem.connectedBlock.getHeightWidth().height >=
-                  MIN_VERTICAL_TIGHTNESTING_HEIGHT) {
-            hasNonShadowConnectedBlocks = true;
-            break;
-          }
-        }
-        // Apply tight-nesting if we have both a prev and next notch and the
-        // block has non-shadow connected blocks.
-        if (hasNonShadowConnectedBlocks) {
-          prevSpacer.height -= this.constants_.SMALL_PADDING;
-          nextSpacer.height -= this.constants_.SMALL_PADDING;
-        }
-      }
-    }
-  }
-};
-
-/**
- * @override
- */
-Blockly.zelos.RenderInfo.prototype.finalize_ = function() {
-  this.finalizeOutputConnection_();
-  this.finalizeHorizontalAlignment_();
-  this.finalizeVerticalAlignment_();
-  Blockly.zelos.RenderInfo.superClass_.finalize_.call(this);
-
-  if (this.rightSide) {
-    this.widthWithChildren += this.rightSide.width;
-  }
-};
diff --git a/core/renderers/zelos/info.ts b/core/renderers/zelos/info.ts
new file mode 100644
index 00000000000..623f0a3b085
--- /dev/null
+++ b/core/renderers/zelos/info.ts
@@ -0,0 +1,652 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.zelos.RenderInfo
+
+import type {BlockSvg} from '../../block_svg.js';
+import {DummyInput} from '../../inputs/dummy_input.js';
+import {EndRowInput} from '../../inputs/end_row_input.js';
+import {FieldImage} from '../../field_image.js';
+import {FieldLabel} from '../../field_label.js';
+import {FieldTextInput} from '../../field_textinput.js';
+import {Input} from '../../inputs/input.js';
+import {Align} from '../../inputs/align.js';
+import {RenderInfo as BaseRenderInfo} from '../common/info.js';
+import type {Measurable} from '../measurables/base.js';
+import {Field} from '../measurables/field.js';
+import {InRowSpacer} from '../measurables/in_row_spacer.js';
+import {InputConnection} from '../measurables/input_connection.js';
+import {StatementInput} from '../../inputs/statement_input.js';
+import type {Row} from '../measurables/row.js';
+import type {SpacerRow} from '../measurables/spacer_row.js';
+import {Types} from '../measurables/types.js';
+import {ValueInput} from '../../inputs/value_input.js';
+
+import type {ConstantProvider, InsideCorners} from './constants.js';
+import {BottomRow} from './measurables/bottom_row.js';
+import {StatementInput as StatementInputMeasurable} from './measurables/inputs.js';
+import {RightConnectionShape} from './measurables/row_elements.js';
+import {TopRow} from './measurables/top_row.js';
+import type {PathObject} from './path_object.js';
+import type {Renderer} from './renderer.js';
+
+/**
+ * An object containing all sizing information needed to draw this block.
+ *
+ * This measure pass does not propagate changes to the block (although fields
+ * may choose to rerender when getSize() is called).  However, calling it
+ * repeatedly may be expensive.
+ */
+export class RenderInfo extends BaseRenderInfo {
+  override topRow: TopRow;
+  override bottomRow: BottomRow;
+  override constants_: ConstantProvider;
+  override renderer_: Renderer;
+
+  override isInline = true;
+  isMultiRow: boolean;
+  hasStatementInput: boolean;
+  rightSide: RightConnectionShape | null;
+  private readonly rightAlignedDummyInputs: WeakMap<Row, Input>;
+
+  /**
+   * @param renderer The renderer in use.
+   * @param block The block to measure.
+   */
+  constructor(renderer: Renderer, block: BlockSvg) {
+    super(renderer, block);
+
+    this.renderer_ = renderer;
+
+    this.constants_ = this.renderer_.getConstants();
+
+    /**
+     * An object with rendering information about the top row of the block.
+     */
+    this.topRow = new TopRow(this.constants_);
+
+    /**
+     * An object with rendering information about the bottom row of the block.
+     */
+    this.bottomRow = new BottomRow(this.constants_);
+
+    /**
+     * Whether the block should be rendered as a multi-line block, either
+     * because it's not inline or because it has been collapsed.
+     */
+    this.isMultiRow = !block.getInputsInline() || block.isCollapsed();
+
+    /**
+     * Whether or not the block has a statement input in one of its rows.
+     */
+    this.hasStatementInput = block.statementInputCount > 0;
+
+    /**
+     * An object with rendering information about the right connection shape.
+     */
+    this.rightSide = this.outputConnection
+      ? new RightConnectionShape(this.constants_)
+      : null;
+
+    /**
+     * A map of rows to right aligned dummy inputs within those rows. Used to
+     * add padding between left and right aligned inputs.
+     */
+    this.rightAlignedDummyInputs = new WeakMap();
+  }
+
+  /**
+   * Get the block renderer in use.
+   *
+   * @returns The block renderer in use.
+   */
+  override getRenderer(): Renderer {
+    return this.renderer_ as Renderer;
+  }
+
+  override measure() {
+    // Modifying parent measure method to add `adjustXPosition_`.
+    this.createRows_();
+    this.addElemSpacing_();
+    this.addRowSpacing_();
+    this.adjustXPosition_();
+    this.computeBounds_();
+    this.alignRowElements_();
+    this.finalize_();
+  }
+
+  override shouldStartNewRow_(currInput: Input, prevInput: Input): boolean {
+    // If this is the first input, just add to the existing row.
+    // That row is either empty or has some icons in it.
+    if (!prevInput) {
+      return false;
+    }
+    // If the previous input was an end-row input, then any following input
+    // should always be rendered on the next row.
+    if (prevInput instanceof EndRowInput) {
+      return true;
+    }
+    // A statement input or an input following one always gets a new row.
+    if (
+      currInput instanceof StatementInput ||
+      prevInput instanceof StatementInput
+    ) {
+      return true;
+    }
+    // Value, dummy, and end-row inputs get new row if inputs are not inlined.
+    if (
+      currInput instanceof ValueInput ||
+      currInput instanceof DummyInput ||
+      currInput instanceof EndRowInput
+    ) {
+      return !this.isInline || this.isMultiRow;
+    }
+    return false;
+  }
+
+  override getDesiredRowWidth_(row: Row): number {
+    if (row.hasStatement) {
+      const rightCornerWidth =
+        (this.constants_.INSIDE_CORNERS as InsideCorners).rightWidth || 0;
+      return this.width - this.startX - rightCornerWidth;
+    }
+    return super.getDesiredRowWidth_(row);
+  }
+
+  override getInRowSpacing_(
+    prev: Measurable | null,
+    next: Measurable | null,
+  ): number {
+    if (!prev || !next) {
+      // No need for padding at the beginning or end of the row if the
+      // output shape is dynamic.
+      if (
+        this.outputConnection &&
+        this.outputConnection.isDynamicShape &&
+        !this.hasStatementInput &&
+        !this.bottomRow.hasNextConnection
+      ) {
+        return this.constants_.NO_PADDING;
+      }
+    }
+    if (!prev) {
+      // Statement input padding.
+      if (next && Types.isStatementInput(next)) {
+        return this.constants_.STATEMENT_INPUT_PADDING_LEFT;
+      }
+    }
+    // Spacing between a rounded corner and a previous or next connection.
+    if (prev && Types.isLeftRoundedCorner(prev) && next) {
+      if (Types.isPreviousConnection(next) || Types.isNextConnection(next)) {
+        return next.notchOffset - this.constants_.CORNER_RADIUS;
+      }
+    }
+    // Spacing between a square corner and a hat.
+    if (prev && Types.isLeftSquareCorner(prev) && next && Types.isHat(next)) {
+      return this.constants_.NO_PADDING;
+    }
+    return this.constants_.MEDIUM_PADDING;
+  }
+
+  override getSpacerRowHeight_(prev: Row, next: Row): number {
+    // If we have an empty block add a spacer to increase the height.
+    if (Types.isTopRow(prev) && Types.isBottomRow(next)) {
+      return this.constants_.EMPTY_BLOCK_SPACER_HEIGHT;
+    }
+    const followsStatement = Types.isInputRow(prev) && prev.hasStatement;
+    const precedesStatement = Types.isInputRow(next) && next.hasStatement;
+    if (precedesStatement || followsStatement) {
+      const cornerHeight =
+        (this.constants_.INSIDE_CORNERS as InsideCorners).rightHeight || 0;
+      const height = Math.max(this.constants_.NOTCH_HEIGHT, cornerHeight);
+      return precedesStatement && followsStatement
+        ? Math.max(height, this.constants_.DUMMY_INPUT_MIN_HEIGHT)
+        : height;
+    }
+    // Top and bottom rows act as a spacer so we don't need any extra padding.
+    if (Types.isTopRow(prev)) {
+      const topRow = prev as TopRow;
+      if (
+        !topRow.hasPreviousConnection &&
+        (!this.outputConnection || this.hasStatementInput)
+      ) {
+        return Math.abs(
+          this.constants_.NOTCH_HEIGHT - this.constants_.CORNER_RADIUS,
+        );
+      }
+      return this.constants_.NO_PADDING;
+    }
+    if (Types.isBottomRow(next)) {
+      const bottomRow = next as BottomRow;
+      if (!this.outputConnection) {
+        const topHeight =
+          Math.max(
+            this.topRow.minHeight,
+            Math.max(
+              this.constants_.NOTCH_HEIGHT,
+              this.constants_.CORNER_RADIUS,
+            ),
+          ) - this.constants_.CORNER_RADIUS;
+        return topHeight;
+      } else if (!bottomRow.hasNextConnection && this.hasStatementInput) {
+        return Math.abs(
+          this.constants_.NOTCH_HEIGHT - this.constants_.CORNER_RADIUS,
+        );
+      }
+      return this.constants_.NO_PADDING;
+    }
+    return this.constants_.MEDIUM_PADDING;
+  }
+
+  override getSpacerRowWidth_(prev: Row, next: Row): number {
+    const width = this.width - this.startX;
+    if (
+      (Types.isInputRow(prev) && prev.hasStatement) ||
+      (Types.isInputRow(next) && next.hasStatement)
+    ) {
+      return Math.max(width, this.constants_.STATEMENT_INPUT_SPACER_MIN_WIDTH);
+    }
+    return width;
+  }
+
+  override getElemCenterline_(row: Row, elem: Measurable): number {
+    if (
+      row.hasStatement &&
+      !Types.isSpacer(elem) &&
+      !Types.isStatementInput(elem)
+    ) {
+      return row.yPos + this.constants_.EMPTY_STATEMENT_INPUT_HEIGHT / 2;
+    }
+    if (Types.isInlineInput(elem) && elem instanceof InputConnection) {
+      const connectedBlock = elem.connectedBlock;
+      if (
+        connectedBlock &&
+        connectedBlock.outputConnection &&
+        connectedBlock.nextConnection
+      ) {
+        return row.yPos + connectedBlock.height / 2;
+      }
+    }
+    return super.getElemCenterline_(row, elem);
+  }
+
+  override addInput_(input: Input, activeRow: Row) {
+    // If we have two dummy inputs on the same row, one aligned left and the
+    // other right, keep track of the right aligned dummy input so we can add
+    // padding later. An end-row input after a dummy input also counts.
+    if (
+      (input instanceof DummyInput || input instanceof EndRowInput) &&
+      activeRow.hasDummyInput &&
+      activeRow.align === Align.LEFT &&
+      input.align === Align.RIGHT
+    ) {
+      this.rightAlignedDummyInputs.set(activeRow, input);
+    } else if (input instanceof StatementInput) {
+      // Handle statements without next connections correctly.
+      activeRow.elements.push(
+        new StatementInputMeasurable(this.constants_, input),
+      );
+      activeRow.hasStatement = true;
+
+      if (activeRow.align === null) {
+        activeRow.align = input.align;
+      }
+      return;
+    }
+    super.addInput_(input, activeRow);
+  }
+
+  override addAlignmentPadding_(row: Row, missingSpace: number) {
+    if (this.rightAlignedDummyInputs.get(row)) {
+      let alignmentDivider;
+      for (let i = 0; i < row.elements.length; i++) {
+        const elem = row.elements[i];
+        if (Types.isSpacer(elem)) {
+          alignmentDivider = elem;
+        }
+        if (
+          Types.isField(elem) &&
+          elem instanceof Field &&
+          elem.parentInput === this.rightAlignedDummyInputs.get(row)
+        ) {
+          break;
+        }
+      }
+      if (alignmentDivider) {
+        alignmentDivider.width += missingSpace;
+        row.width += missingSpace;
+        return;
+      }
+    }
+    super.addAlignmentPadding_(row, missingSpace);
+  }
+
+  /**
+   * Adjust the x position of fields to bump all non-label fields in the first
+   * row past the notch position.  This must be called before `computeBounds`
+   * is called.
+   */
+  protected adjustXPosition_() {
+    const notchTotalWidth =
+      this.constants_.NOTCH_OFFSET_LEFT + this.constants_.NOTCH_WIDTH;
+    let minXPos = notchTotalWidth;
+    // Run through every input row on the block and only apply bump logic to the
+    // first input row (if the block has prev connection) and every input row
+    // that has a prev and next notch.
+    for (let i = 2; i < this.rows.length - 1; i += 2) {
+      const prevSpacer = this.rows[i - 1] as SpacerRow;
+      const row = this.rows[i];
+      const nextSpacer = this.rows[i + 1] as SpacerRow;
+
+      const hasPrevNotch =
+        i === 2
+          ? !!this.topRow.hasPreviousConnection
+          : !!prevSpacer.followsStatement;
+      const hasNextNotch =
+        i + 2 >= this.rows.length - 1
+          ? !!this.bottomRow.hasNextConnection
+          : !!nextSpacer.precedesStatement;
+
+      if (Types.isInputRow(row) && row.hasStatement) {
+        row.measure();
+        minXPos =
+          row.width - (row.getLastInput()?.width ?? 0) + notchTotalWidth;
+      } else if (
+        hasPrevNotch &&
+        (i === 2 || hasNextNotch) &&
+        Types.isInputRow(row) &&
+        !row.hasStatement
+      ) {
+        let xCursor = row.xPos;
+        let prevInRowSpacer = null;
+        for (let j = 0; j < row.elements.length; j++) {
+          const elem = row.elements[j];
+          if (Types.isSpacer(elem)) {
+            prevInRowSpacer = elem;
+          }
+          if (prevInRowSpacer && (Types.isField(elem) || Types.isInput(elem))) {
+            if (
+              xCursor < minXPos &&
+              !(
+                Types.isField(elem) &&
+                elem instanceof Field &&
+                (elem.field instanceof FieldLabel ||
+                  elem.field instanceof FieldImage)
+              )
+            ) {
+              const difference = minXPos - xCursor;
+              prevInRowSpacer.width += difference;
+            }
+          }
+          xCursor += elem.width;
+        }
+      }
+    }
+  }
+
+  /**
+   * Finalize the output connection info.  In particular, set the height of the
+   * output connection to match that of the block.  For the right side, add a
+   * right connection shape element and have it match the dimensions of the
+   * output connection.
+   */
+  protected finalizeOutputConnection_() {
+    // Dynamic output connections depend on the height of the block.
+    if (!this.outputConnection || !this.outputConnection.isDynamicShape) {
+      return;
+    }
+    const outputConnectionShape = this.outputConnection.shape;
+    if (
+      !('isDynamic' in outputConnectionShape && outputConnectionShape.isDynamic)
+    ) {
+      return;
+    }
+
+    let yCursor = 0;
+    // Determine the block height.
+    for (let i = 0; i < this.rows.length; i++) {
+      const row = this.rows[i];
+      row.yPos = yCursor;
+      yCursor += row.height;
+    }
+    this.height = yCursor;
+
+    // Adjust the height of the output connection.
+    const blockHeight = this.bottomRow.hasNextConnection
+      ? this.height - this.bottomRow.descenderHeight
+      : this.height;
+    const connectionHeight = outputConnectionShape.height(blockHeight);
+    const connectionWidth = outputConnectionShape.width(blockHeight);
+
+    this.outputConnection.height = connectionHeight;
+    this.outputConnection.width = connectionWidth;
+    this.outputConnection.startX = connectionWidth;
+    this.outputConnection.connectionOffsetY =
+      outputConnectionShape.connectionOffsetY(connectionHeight);
+    this.outputConnection.connectionOffsetX =
+      outputConnectionShape.connectionOffsetX(connectionWidth);
+
+    // Add the right connection measurable.
+    // Don't add it if we have a value-to-statement or a value-to-stack block.
+    let rightConnectionWidth = 0;
+    if (!this.hasStatementInput && !this.bottomRow.hasNextConnection) {
+      rightConnectionWidth = connectionWidth;
+      this.rightSide!.height = connectionHeight;
+      this.rightSide!.width = rightConnectionWidth;
+      this.rightSide!.centerline = connectionHeight / 2;
+      this.rightSide!.xPos = this.width + rightConnectionWidth;
+    }
+    this.startX = connectionWidth;
+    this.width += connectionWidth + rightConnectionWidth;
+    this.widthWithChildren += connectionWidth + rightConnectionWidth;
+  }
+
+  /**
+   * Finalize horizontal alignment of elements on the block.  In particular,
+   * reduce the implicit spacing created by the left and right output connection
+   * shapes by adding setting negative spacing onto the leftmost and rightmost
+   * spacers.
+   */
+  protected finalizeHorizontalAlignment_() {
+    if (
+      !this.outputConnection ||
+      this.hasStatementInput ||
+      this.bottomRow.hasNextConnection
+    ) {
+      return;
+    }
+    let totalNegativeSpacing = 0;
+    for (let i = 0; i < this.rows.length; i++) {
+      const row = this.rows[i];
+      if (!Types.isInputRow(row)) {
+        continue;
+      }
+      const firstElem = row.elements[1];
+      const lastElem = row.elements[row.elements.length - 2];
+      let leftNegPadding = this.getNegativeSpacing_(firstElem);
+      let rightNegPadding = this.getNegativeSpacing_(lastElem);
+      totalNegativeSpacing = leftNegPadding + rightNegPadding;
+      const minBlockWidth =
+        this.constants_.MIN_BLOCK_WIDTH + this.outputConnection.width * 2;
+      if (this.width - totalNegativeSpacing < minBlockWidth) {
+        // Maintain a minimum block width, split negative spacing between left
+        // and right edge.
+        totalNegativeSpacing = this.width - minBlockWidth;
+        leftNegPadding = totalNegativeSpacing / 2;
+        rightNegPadding = totalNegativeSpacing / 2;
+      }
+      // Add a negative spacer on the start and end of the block.
+      row.elements.unshift(new InRowSpacer(this.constants_, -leftNegPadding));
+      row.elements.push(new InRowSpacer(this.constants_, -rightNegPadding));
+    }
+    if (totalNegativeSpacing) {
+      this.width -= totalNegativeSpacing;
+      this.widthWithChildren -= totalNegativeSpacing;
+      this.rightSide!.xPos -= totalNegativeSpacing;
+      for (let i = 0; i < this.rows.length; i++) {
+        const row = this.rows[i];
+        if (Types.isTopOrBottomRow(row)) {
+          row.elements[1].width -= totalNegativeSpacing;
+        }
+        row.width -= totalNegativeSpacing;
+        row.widthWithConnectedBlocks -= totalNegativeSpacing;
+      }
+    }
+  }
+
+  /**
+   * Calculate the spacing to reduce the left and right edges by based on the
+   * outer and inner connection shape.
+   *
+   * @param elem The first or last element on a block.
+   * @returns The amount of spacing to reduce the first or last spacer.
+   */
+  protected getNegativeSpacing_(elem: Measurable): number {
+    if (!elem || !this.outputConnection) {
+      return 0;
+    }
+    const connectionWidth = this.outputConnection.width;
+    const outerShape = this.outputConnection.shape.type;
+    const constants = this.constants_;
+    if (this.inputRows.length > 1) {
+      switch (outerShape) {
+        case constants.SHAPES.ROUND: {
+          // Special case for multi-row round reporter blocks.
+          const maxWidth = this.constants_.MAX_DYNAMIC_CONNECTION_SHAPE_WIDTH;
+          const width = this.height / 2 > maxWidth ? maxWidth : this.height / 2;
+          const topPadding = this.constants_.SMALL_PADDING;
+          const roundPadding =
+            width * (1 - Math.sin(Math.acos((width - topPadding) / width)));
+          return connectionWidth - roundPadding;
+        }
+        default:
+          return 0;
+      }
+    }
+    if (Types.isInlineInput(elem) && elem instanceof InputConnection) {
+      const connectedBlock = elem.connectedBlock;
+      const innerShape = connectedBlock
+        ? (connectedBlock.pathObject as PathObject).outputShapeType
+        : elem.shape.type;
+      if (innerShape == null) {
+        return 0;
+      }
+      // Special case for value to stack / value to statement blocks.
+      if (
+        connectedBlock &&
+        connectedBlock.outputConnection &&
+        (connectedBlock.statementInputCount || connectedBlock.nextConnection)
+      ) {
+        return 0;
+      }
+      // Special case for hexagonal output.
+      if (
+        outerShape === constants.SHAPES.HEXAGONAL &&
+        outerShape !== innerShape
+      ) {
+        return 0;
+      }
+      return (
+        connectionWidth -
+        this.constants_.SHAPE_IN_SHAPE_PADDING[outerShape][innerShape]
+      );
+    } else if (Types.isField(elem) && elem instanceof Field) {
+      // Special case for text inputs.
+      if (
+        outerShape === constants.SHAPES.ROUND &&
+        elem.field instanceof FieldTextInput
+      ) {
+        return connectionWidth - 2.75 * constants.GRID_UNIT;
+      }
+      return (
+        connectionWidth - this.constants_.SHAPE_IN_SHAPE_PADDING[outerShape][0]
+      );
+    } else if (Types.isIcon(elem)) {
+      return this.constants_.SMALL_PADDING;
+    }
+    return 0;
+  }
+
+  /**
+   * Finalize vertical alignment of rows on a block.  In particular, reduce the
+   * implicit spacing when a non-shadow block is connected to any of an input
+   * row's inline inputs.
+   */
+  protected finalizeVerticalAlignment_() {
+    if (this.outputConnection) {
+      return;
+    }
+    // Run through every input row on the block and only apply tight nesting
+    // logic to input rows that have a prev and next notch.
+    for (let i = 2; i < this.rows.length - 1; i += 2) {
+      const prevSpacer = this.rows[i - 1] as SpacerRow;
+      const row = this.rows[i];
+      const nextSpacer = this.rows[i + 1] as SpacerRow;
+
+      const firstRow = i === 2;
+      const hasPrevNotch = firstRow
+        ? !!this.topRow.hasPreviousConnection
+        : !!prevSpacer.followsStatement;
+      const hasNextNotch =
+        i + 2 >= this.rows.length - 1
+          ? !!this.bottomRow.hasNextConnection
+          : !!nextSpacer.precedesStatement;
+
+      if (hasPrevNotch) {
+        const elem = row.elements[1];
+        const hasSingleTextOrImageField =
+          row.elements.length === 3 &&
+          elem instanceof Field &&
+          (elem.field instanceof FieldLabel ||
+            elem.field instanceof FieldImage);
+        if (!firstRow && hasSingleTextOrImageField) {
+          // Remove some padding if we have a single image or text field.
+          prevSpacer.height -= this.constants_.SMALL_PADDING;
+          nextSpacer.height -= this.constants_.SMALL_PADDING;
+          row.height -= this.constants_.MEDIUM_PADDING;
+        } else if (!firstRow && !hasNextNotch) {
+          // Add a small padding so the notch doesn't clash with inputs/fields.
+          prevSpacer.height += this.constants_.SMALL_PADDING;
+        } else if (hasNextNotch) {
+          // Determine if the input row has non-shadow connected blocks.
+          let hasNonShadowConnectedBlocks = false;
+          const minVerticalTightNestingHeight = 40;
+          for (let j = 0; j < row.elements.length; j++) {
+            const elem = row.elements[j];
+            if (
+              elem instanceof InputConnection &&
+              Types.isInlineInput(elem) &&
+              elem.connectedBlock &&
+              !elem.connectedBlock.isShadow() &&
+              elem.connectedBlock.getHeightWidth().height >=
+                minVerticalTightNestingHeight
+            ) {
+              hasNonShadowConnectedBlocks = true;
+              break;
+            }
+          }
+          // Apply tight-nesting if we have both a prev and next notch and the
+          // block has non-shadow connected blocks.
+          if (hasNonShadowConnectedBlocks) {
+            prevSpacer.height -= this.constants_.SMALL_PADDING;
+            nextSpacer.height -= this.constants_.SMALL_PADDING;
+          }
+        }
+      }
+    }
+  }
+
+  override finalize_() {
+    this.finalizeOutputConnection_();
+    this.finalizeHorizontalAlignment_();
+    this.finalizeVerticalAlignment_();
+    super.finalize_();
+
+    if (this.rightSide) {
+      this.widthWithChildren += this.rightSide.width;
+    }
+  }
+}
diff --git a/core/renderers/zelos/marker_svg.js b/core/renderers/zelos/marker_svg.js
deleted file mode 100644
index ddb6472a779..00000000000
--- a/core/renderers/zelos/marker_svg.js
+++ /dev/null
@@ -1,148 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Methods for graphically rendering a marker as SVG.
- * @author samelh@microsoft.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.zelos.MarkerSvg');
-
-goog.require('Blockly.blockRendering.MarkerSvg');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * Class to draw a marker.
- * @param {!Blockly.WorkspaceSvg} workspace The workspace the marker belongs to.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The constants for
- *     the renderer.
- * @param {!Blockly.Marker} marker The marker to draw.
- * @constructor
- * @extends {Blockly.blockRendering.MarkerSvg}
- */
-Blockly.zelos.MarkerSvg = function(workspace, constants, marker) {
-  Blockly.zelos.MarkerSvg.superClass_.constructor.call(
-      this, workspace, constants, marker);
-};
-Blockly.utils.object.inherits(Blockly.zelos.MarkerSvg,
-    Blockly.blockRendering.MarkerSvg);
-
-/**
- * Position and display the marker for an input or an output connection.
- * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
- * @private
- */
-Blockly.zelos.MarkerSvg.prototype.showWithInputOutput_ = function(curNode) {
-  var block = /** @type {!Blockly.BlockSvg} */ (curNode.getSourceBlock());
-  var connection = /** @type {!Blockly.Connection} */ (curNode.getLocation());
-  var offsetInBlock = connection.getOffsetInBlock();
-
-  this.positionCircle_(offsetInBlock.x, offsetInBlock.y);
-  this.setParent_(block);
-  this.showCurrent_();
-};
-
-/**
- * @override
- */
-Blockly.zelos.MarkerSvg.prototype.showWithOutput_ = function(curNode) {
-  this.showWithInputOutput_(curNode);
-};
-
-/**
- * @override
- */
-Blockly.zelos.MarkerSvg.prototype.showWithInput_ = function(curNode) {
-  this.showWithInputOutput_(curNode);
-};
-
-/**
- * Draw a rectangle around the block.
- * @param {!Blockly.ASTNode} curNode The current node of the marker.
- */
-Blockly.zelos.MarkerSvg.prototype.showWithBlock_ = function(curNode) {
-  var block = /** @type {!Blockly.BlockSvg} */ (curNode.getLocation());
-
-  // Gets the height and width of entire stack.
-  var heightWidth = block.getHeightWidth();
-
-  // Add padding so that being on a stack looks different than being on a block.
-  this.positionRect_(0, 0, heightWidth.width, heightWidth.height);
-  this.setParent_(block);
-  this.showCurrent_();
-};
-
-/**
- * Position the circle we use for input and output connections.
- * @param {number} x The x position of the circle.
- * @param {number} y The y position of the circle.
- * @private
- */
-Blockly.zelos.MarkerSvg.prototype.positionCircle_ = function(x, y) {
-  this.markerCircle_.setAttribute('cx', x);
-  this.markerCircle_.setAttribute('cy', y);
-  this.currentMarkerSvg = this.markerCircle_;
-};
-
-/**
- * @override
- */
-Blockly.zelos.MarkerSvg.prototype.hide = function() {
-  Blockly.zelos.MarkerSvg.superClass_.hide.call(this);
-  this.markerCircle_.style.display = 'none';
-};
-
-/**
- * @override
- */
-Blockly.zelos.MarkerSvg.prototype.createDomInternal_ = function() {
-  /* This markup will be generated and added to the .svgGroup_:
-  <g>
-    <rect width="100" height="5">
-      <animate attributeType="XML" attributeName="fill" dur="1s"
-        values="transparent;transparent;#fff;transparent" repeatCount="indefinite" />
-    </rect>
-  </g>
-  */
-
-  Blockly.zelos.MarkerSvg.superClass_.createDomInternal_.call(this);
-
-  this.markerCircle_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.CIRCLE, {
-        'r': this.constants_.CURSOR_RADIUS,
-        'style': 'display: none',
-        'stroke-width': this.constants_.CURSOR_STROKE_WIDTH
-      },
-      this.markerSvg_);
-
-  // Markers and stack cursors don't blink.
-  if (this.isCursor()) {
-    var blinkProperties = this.getBlinkProperties_();
-    Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.ANIMATE, blinkProperties,
-        this.markerCircle_);
-  }
-
-  return this.markerSvg_;
-};
-
-/**
- * @override
- */
-Blockly.zelos.MarkerSvg.prototype.applyColour_ = function(curNode) {
-  Blockly.zelos.MarkerSvg.superClass_.applyColour_.call(this, curNode);
-
-  this.markerCircle_.setAttribute('fill', this.colour_);
-  this.markerCircle_.setAttribute('stroke', this.colour_);
-
-  if (this.isCursor()) {
-    var values = this.colour_ + ';transparent;transparent;';
-    this.markerCircle_.firstChild.setAttribute('values', values);
-  }
-};
diff --git a/core/renderers/zelos/marker_svg.ts b/core/renderers/zelos/marker_svg.ts
new file mode 100644
index 00000000000..4805e264b6c
--- /dev/null
+++ b/core/renderers/zelos/marker_svg.ts
@@ -0,0 +1,145 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.zelos.MarkerSvg
+
+import type {BlockSvg} from '../../block_svg.js';
+import type {ASTNode} from '../../keyboard_nav/ast_node.js';
+import type {Marker} from '../../keyboard_nav/marker.js';
+import type {RenderedConnection} from '../../rendered_connection.js';
+import * as dom from '../../utils/dom.js';
+import {Svg} from '../../utils/svg.js';
+import type {WorkspaceSvg} from '../../workspace_svg.js';
+import type {ConstantProvider as BaseConstantProvider} from '../common/constants.js';
+import {MarkerSvg as BaseMarkerSvg} from '../common/marker_svg.js';
+
+import type {ConstantProvider as ZelosConstantProvider} from './constants.js';
+
+/**
+ * Class to draw a marker.
+ */
+export class MarkerSvg extends BaseMarkerSvg {
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  constants_!: ZelosConstantProvider;
+
+  private markerCircle: SVGCircleElement | null = null;
+
+  /**
+   * @param workspace The workspace the marker belongs to.
+   * @param constants The constants for the renderer.
+   * @param marker The marker to draw.
+   */
+  constructor(
+    workspace: WorkspaceSvg,
+    constants: BaseConstantProvider,
+    marker: Marker,
+  ) {
+    super(workspace, constants, marker);
+  }
+
+  /**
+   * Position and display the marker for an input or an output connection.
+   *
+   * @param curNode The node to draw the marker for.
+   */
+  private showWithInputOutput(curNode: ASTNode) {
+    const block = curNode.getSourceBlock() as BlockSvg;
+    const connection = curNode.getLocation() as RenderedConnection;
+    const offsetInBlock = connection.getOffsetInBlock();
+
+    this.positionCircle(offsetInBlock.x, offsetInBlock.y);
+    this.setParent_(block);
+    this.showCurrent_();
+  }
+
+  override showWithOutput_(curNode: ASTNode) {
+    this.showWithInputOutput(curNode);
+  }
+
+  override showWithInput_(curNode: ASTNode) {
+    this.showWithInputOutput(curNode);
+  }
+
+  /**
+   * Draw a rectangle around the block.
+   *
+   * @param curNode The current node of the marker.
+   */
+  override showWithBlock_(curNode: ASTNode) {
+    const block = curNode.getLocation() as BlockSvg;
+
+    // Gets the height and width of entire stack.
+    const heightWidth = block.getHeightWidth();
+    // Add padding so that being on a stack looks different than being on a
+    // block.
+    this.positionRect_(0, 0, heightWidth.width, heightWidth.height);
+    this.setParent_(block);
+    this.showCurrent_();
+  }
+
+  /**
+   * Position the circle we use for input and output connections.
+   *
+   * @param x The x position of the circle.
+   * @param y The y position of the circle.
+   */
+  private positionCircle(x: number, y: number) {
+    this.markerCircle?.setAttribute('cx', `${x}`);
+    this.markerCircle?.setAttribute('cy', `${y}`);
+    this.currentMarkerSvg = this.markerCircle;
+  }
+
+  override hide() {
+    super.hide();
+    if (this.markerCircle) {
+      this.markerCircle.style.display = 'none';
+    }
+  }
+
+  override createDomInternal_() {
+    /* clang-format off */
+    /* This markup will be generated and added to the .svgGroup_:
+        <g>
+          <rect width="100" height="5">
+            <animate attributeType="XML" attributeName="fill" dur="1s"
+              values="transparent;transparent;#fff;transparent" repeatCount="indefinite" />
+          </rect>
+        </g>
+        */
+    /* clang-format on */
+    super.createDomInternal_();
+
+    this.markerCircle = dom.createSvgElement(
+      Svg.CIRCLE,
+      {
+        'r': this.constants_.CURSOR_RADIUS,
+        'stroke-width': this.constants_.CURSOR_STROKE_WIDTH,
+      },
+      this.markerSvg_,
+    );
+    this.hide();
+
+    // Markers and stack cursors don't blink.
+    if (this.isCursor()) {
+      const blinkProperties = this.getBlinkProperties_();
+      dom.createSvgElement(Svg.ANIMATE, blinkProperties, this.markerCircle!);
+    }
+
+    return this.markerSvg_!;
+  }
+
+  override applyColour_(curNode: ASTNode) {
+    super.applyColour_(curNode);
+
+    this.markerCircle?.setAttribute('fill', this.colour_);
+    this.markerCircle?.setAttribute('stroke', this.colour_);
+
+    if (this.isCursor()) {
+      const values = this.colour_ + ';transparent;transparent;';
+      this.markerCircle?.firstElementChild!.setAttribute('values', values);
+    }
+  }
+}
diff --git a/core/renderers/zelos/measurables/bottom_row.ts b/core/renderers/zelos/measurables/bottom_row.ts
new file mode 100644
index 00000000000..1f1a484d952
--- /dev/null
+++ b/core/renderers/zelos/measurables/bottom_row.ts
@@ -0,0 +1,44 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.zelos.BottomRow
+
+import type {BlockSvg} from '../../../block_svg.js';
+import type {ConstantProvider} from '../../../renderers/common/constants.js';
+import {BottomRow as BaseBottomRow} from '../../../renderers/measurables/bottom_row.js';
+
+/**
+ * An object containing information about what elements are in the bottom row of
+ * a block as well as spacing information for the top row.
+ * Elements in a bottom row can consist of corners, spacers and next
+ * connections.
+ */
+export class BottomRow extends BaseBottomRow {
+  /**
+   * @param constants The rendering constants provider.
+   */
+  constructor(constants: ConstantProvider) {
+    super(constants);
+  }
+
+  override endsWithElemSpacer() {
+    return false;
+  }
+
+  /** Render a round corner unless the block has an output connection. */
+  override hasLeftSquareCorner(block: BlockSvg) {
+    return !!block.outputConnection;
+  }
+
+  /** Render a round corner unless the block has an output connection. */
+  override hasRightSquareCorner(block: BlockSvg) {
+    return (
+      !!block.outputConnection &&
+      !block.statementInputCount &&
+      !block.nextConnection
+    );
+  }
+}
diff --git a/core/renderers/zelos/measurables/inputs.js b/core/renderers/zelos/measurables/inputs.js
deleted file mode 100644
index beb16f40be2..00000000000
--- a/core/renderers/zelos/measurables/inputs.js
+++ /dev/null
@@ -1,47 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Zelos specific objects representing inputs with connections on
- * a rendered block.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-goog.provide('Blockly.zelos.StatementInput');
-
-goog.require('Blockly.blockRendering.StatementInput');
-goog.require('Blockly.utils.object');
-
-
-/**
- * An object containing information about the space a statement input takes up
- * during rendering
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @param {!Blockly.Input} input The statement input to measure and store
- *     information for.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.StatementInput}
- */
-Blockly.zelos.StatementInput = function(constants, input) {
-  Blockly.zelos.StatementInput.superClass_.constructor.call(this,
-      constants, input);
-
-  if (this.connectedBlock) {
-    // Find the bottom-most connected block in the stack.
-    var block = this.connectedBlock;
-    while (block.getNextBlock()) {
-      block = block.getNextBlock();
-    }
-    if (!block.nextConnection) {
-      this.height = this.connectedBlockHeight;
-      this.connectedBottomNextConnection = true;
-    }
-  }
-};
-Blockly.utils.object.inherits(Blockly.zelos.StatementInput,
-    Blockly.blockRendering.StatementInput);
diff --git a/core/renderers/zelos/measurables/inputs.ts b/core/renderers/zelos/measurables/inputs.ts
new file mode 100644
index 00000000000..d405574e0b7
--- /dev/null
+++ b/core/renderers/zelos/measurables/inputs.ts
@@ -0,0 +1,41 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.zelos.StatementInput
+
+/* eslint-disable-next-line no-unused-vars */
+import type {Input} from '../../../inputs/input.js';
+import type {ConstantProvider} from '../../../renderers/common/constants.js';
+import {StatementInput as BaseStatementInput} from '../../../renderers/measurables/statement_input.js';
+
+/**
+ * An object containing information about the space a statement input takes up
+ * during rendering.
+ */
+export class StatementInput extends BaseStatementInput {
+  connectedBottomNextConnection = false;
+
+  /**
+   * @param constants The rendering constants provider.
+   * @param input The statement input to measure and store information for.
+   */
+  constructor(constants: ConstantProvider, input: Input) {
+    super(constants, input);
+
+    if (this.connectedBlock) {
+      // Find the bottom-most connected block in the stack.
+      let block = this.connectedBlock;
+      let nextBlock;
+      while ((nextBlock = block.getNextBlock())) {
+        block = nextBlock;
+      }
+      if (!block.nextConnection) {
+        this.height = this.connectedBlockHeight;
+        this.connectedBottomNextConnection = true;
+      }
+    }
+  }
+}
diff --git a/core/renderers/zelos/measurables/row_elements.js b/core/renderers/zelos/measurables/row_elements.js
deleted file mode 100644
index 98a331b5e5a..00000000000
--- a/core/renderers/zelos/measurables/row_elements.js
+++ /dev/null
@@ -1,37 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Zelos specific objects representing elements in a row of a
- * rendered block.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-goog.provide('Blockly.zelos.RightConnectionShape');
-
-goog.require('Blockly.blockRendering.Measurable');
-goog.require('Blockly.blockRendering.Types');
-goog.require('Blockly.utils.object');
-
-
-/**
- * An object containing information about the space a right connection shape
- * takes up during rendering.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Measurable}
- */
-Blockly.zelos.RightConnectionShape = function(constants) {
-  Blockly.zelos.RightConnectionShape.superClass_.constructor.call(this, constants);
-  this.type |= Blockly.blockRendering.Types.getType('RIGHT_CONNECTION');
-  // Size is dynamic
-  this.height = 0;
-  this.width = 0;
-};
-Blockly.utils.object.inherits(Blockly.zelos.RightConnectionShape,
-    Blockly.blockRendering.Measurable);
diff --git a/core/renderers/zelos/measurables/row_elements.ts b/core/renderers/zelos/measurables/row_elements.ts
new file mode 100644
index 00000000000..4002c01bc6e
--- /dev/null
+++ b/core/renderers/zelos/measurables/row_elements.ts
@@ -0,0 +1,29 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.zelos.RightConnectionShape
+
+import type {ConstantProvider} from '../../../renderers/common/constants.js';
+import {Measurable} from '../../../renderers/measurables/base.js';
+import {Types} from '../../../renderers/measurables/types.js';
+
+/**
+ * An object containing information about the space a right connection shape
+ * takes up during rendering.
+ */
+export class RightConnectionShape extends Measurable {
+  // Size is dynamic
+  override height = 0;
+  override width = 0;
+
+  /**
+   * @param constants The rendering constants provider.
+   */
+  constructor(constants: ConstantProvider) {
+    super(constants);
+    this.type |= Types.getType('RIGHT_CONNECTION');
+  }
+}
diff --git a/core/renderers/zelos/measurables/rows.js b/core/renderers/zelos/measurables/rows.js
deleted file mode 100644
index 2c9437edf01..00000000000
--- a/core/renderers/zelos/measurables/rows.js
+++ /dev/null
@@ -1,108 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview An object representing a single row on a rendered block and all
- * of its subcomponents.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.zelos.BottomRow');
-goog.provide('Blockly.zelos.TopRow');
-
-goog.require('Blockly.blockRendering.BottomRow');
-goog.require('Blockly.blockRendering.TopRow');
-goog.require('Blockly.blockRendering.SpacerRow');
-goog.require('Blockly.utils.object');
-
-
-/**
- * An object containing information about what elements are in the top row of a
- * block as well as sizing information for the top row.
- * Elements in a top row can consist of corners, hats, spacers, and previous
- * connections.
- * After this constructor is called, the row will contain all non-spacer
- * elements it needs.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.TopRow}
- */
-Blockly.zelos.TopRow = function(constants) {
-  Blockly.zelos.TopRow.superClass_.constructor.call(this, constants);
-};
-Blockly.utils.object.inherits(Blockly.zelos.TopRow,
-    Blockly.blockRendering.TopRow);
-
-/**
- * @override
- */
-Blockly.zelos.TopRow.prototype.endsWithElemSpacer = function() {
-  return false;
-};
-
-/**
- * Render a round corner unless the block has an output connection.
- * @override
- */
-Blockly.zelos.TopRow.prototype.hasLeftSquareCorner = function(block) {
-  var hasHat = (block.hat ?
-      block.hat === 'cap' : this.constants_.ADD_START_HATS) &&
-      !block.outputConnection && !block.previousConnection;
-  return !!block.outputConnection || hasHat;
-};
-
-/**
- * Render a round corner unless the block has an output connection.
- * @override
- */
-Blockly.zelos.TopRow.prototype.hasRightSquareCorner = function(block) {
-  return !!block.outputConnection && !block.statementInputCount &&
-    !block.nextConnection;
-};
-
-/**
- * An object containing information about what elements are in the bottom row of
- * a block as well as spacing information for the top row.
- * Elements in a bottom row can consist of corners, spacers and next
- * connections.
- * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
- *   constants provider.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.BottomRow}
- */
-Blockly.zelos.BottomRow = function(constants) {
-  Blockly.zelos.BottomRow.superClass_.constructor.call(this, constants);
-};
-Blockly.utils.object.inherits(Blockly.zelos.BottomRow,
-    Blockly.blockRendering.BottomRow);
-
-/**
- * @override
- */
-Blockly.zelos.BottomRow.prototype.endsWithElemSpacer = function() {
-  return false;
-};
-
-/**
- * Render a round corner unless the block has an output connection.
- * @override
- */
-Blockly.zelos.BottomRow.prototype.hasLeftSquareCorner = function(block) {
-  return !!block.outputConnection;
-};
-
-/**
- * Render a round corner unless the block has an output connection.
- * @override
- */
-Blockly.zelos.BottomRow.prototype.hasRightSquareCorner = function(block) {
-  return !!block.outputConnection && !block.statementInputCount &&
-    !block.nextConnection;
-};
diff --git a/core/renderers/zelos/measurables/top_row.ts b/core/renderers/zelos/measurables/top_row.ts
new file mode 100644
index 00000000000..a4e20a2c623
--- /dev/null
+++ b/core/renderers/zelos/measurables/top_row.ts
@@ -0,0 +1,50 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.zelos.TopRow
+
+import type {BlockSvg} from '../../../block_svg.js';
+import type {ConstantProvider} from '../../../renderers/common/constants.js';
+import {TopRow as BaseTopRow} from '../../../renderers/measurables/top_row.js';
+
+/**
+ * An object containing information about what elements are in the top row of a
+ * block as well as sizing information for the top row.
+ * Elements in a top row can consist of corners, hats, spacers, and previous
+ * connections.
+ * After this constructor is called, the row will contain all non-spacer
+ * elements it needs.
+ */
+export class TopRow extends BaseTopRow {
+  /**
+   * @param constants The rendering constants provider.
+   */
+  constructor(constants: ConstantProvider) {
+    super(constants);
+  }
+
+  override endsWithElemSpacer() {
+    return false;
+  }
+
+  /** Render a round corner unless the block has an output connection. */
+  override hasLeftSquareCorner(block: BlockSvg) {
+    const hasHat =
+      (block.hat ? block.hat === 'cap' : this.constants_.ADD_START_HATS) &&
+      !block.outputConnection &&
+      !block.previousConnection;
+    return !!block.outputConnection || hasHat;
+  }
+
+  /** Render a round corner unless the block has an output connection. */
+  override hasRightSquareCorner(block: BlockSvg) {
+    return (
+      !!block.outputConnection &&
+      !block.statementInputCount &&
+      !block.nextConnection
+    );
+  }
+}
diff --git a/core/renderers/zelos/path_object.js b/core/renderers/zelos/path_object.js
deleted file mode 100644
index 89e62920810..00000000000
--- a/core/renderers/zelos/path_object.js
+++ /dev/null
@@ -1,244 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview An object that owns a block's rendering SVG elements.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-'use strict';
-
-goog.provide('Blockly.zelos.PathObject');
-
-goog.require('Blockly.blockRendering.PathObject');
-goog.require('Blockly.zelos.ConstantProvider');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * An object that handles creating and setting each of the SVG elements
- * used by the renderer.
- * @param {!SVGElement} root The root SVG element.
- * @param {!Blockly.Theme.BlockStyle} style The style object to use for
- *     colouring.
- * @param {!Blockly.zelos.ConstantProvider} constants The renderer's constants.
- * @constructor
- * @extends {Blockly.blockRendering.PathObject}
- * @package
- */
-Blockly.zelos.PathObject = function(root, style, constants) {
-  Blockly.zelos.PathObject.superClass_.constructor.call(this, root, style,
-      constants);
-
-  /**
-   * The renderer's constant provider.
-   * @type {!Blockly.zelos.ConstantProvider}
-   */
-  this.constants = constants;
-
-  /**
-   * The selected path of the block.
-   * @type {SVGElement}
-   * @private
-   */
-  this.svgPathSelected_ = null;
-
-  /**
-   * The outline paths on the block.
-   * @type {!Object.<string,!SVGElement>}
-   * @private
-   */
-  this.outlines_ = {};
-
-  /**
-   * A set used to determine which outlines were used during a draw pass.  The
-   * set is initialized with a reference to all the outlines in
-   * `this.outlines_`. Every time we use an outline during the draw pass, the
-   * reference is removed from this set.
-   * @type {Object.<string, number>}
-   * @private
-   */
-  this.remainingOutlines_ = null;
-
-  /**
-   * The type of block's output connection shape.  This is set when a block with
-   * an output connection is drawn.
-   * @package
-   */
-  this.outputShapeType = null;
-};
-Blockly.utils.object.inherits(Blockly.zelos.PathObject,
-    Blockly.blockRendering.PathObject);
-
-/**
- * @override
- */
-Blockly.zelos.PathObject.prototype.setPath = function(pathString) {
-  Blockly.zelos.PathObject.superClass_.setPath.call(this, pathString);
-  if (this.svgPathSelected_) {
-    this.svgPathSelected_.setAttribute('d', pathString);
-  }
-};
-
-/**
- * @override
- */
-Blockly.zelos.PathObject.prototype.applyColour = function(block) {
-  Blockly.zelos.PathObject.superClass_.applyColour.call(this, block);
-  // Set shadow stroke colour.
-  if (block.isShadow() && block.getParent()) {
-    this.svgPath.setAttribute('stroke', block.getParent().style.colourTertiary);
-  }
-
-  // Apply colour to outlines.
-  for (var i = 0, keys = Object.keys(this.outlines_),
-    key; (key = keys[i]); i++) {
-    this.outlines_[key].setAttribute('fill', this.style.colourTertiary);
-  }
-};
-
-/**
- * @override
- */
-Blockly.zelos.PathObject.prototype.flipRTL = function() {
-  Blockly.zelos.PathObject.superClass_.flipRTL.call(this);
-  // Mirror each input outline path.
-  for (var i = 0, keys = Object.keys(this.outlines_),
-    key; (key = keys[i]); i++) {
-    this.outlines_[key].setAttribute('transform', 'scale(-1 1)');
-  }
-};
-
-/**
- * @override
- */
-Blockly.zelos.PathObject.prototype.updateSelected = function(enable) {
-  this.setClass_('blocklySelected', enable);
-  if (enable) {
-    if (!this.svgPathSelected_) {
-      this.svgPathSelected_ =
-        /** @type {!SVGElement} */ (this.svgPath.cloneNode(true));
-      this.svgPathSelected_.setAttribute('fill', 'none');
-      this.svgPathSelected_.setAttribute('filter',
-          'url(#' + this.constants.selectedGlowFilterId + ')');
-      this.svgRoot.appendChild(this.svgPathSelected_);
-    }
-  } else {
-    if (this.svgPathSelected_) {
-      this.svgRoot.removeChild(this.svgPathSelected_);
-      this.svgPathSelected_ = null;
-    }
-  }
-};
-
-/**
- * @override
- */
-Blockly.zelos.PathObject.prototype.updateReplacementFade = function(
-    enable) {
-  this.setClass_('blocklyReplaceable', enable);
-  if (enable) {
-    this.svgPath.setAttribute('filter',
-        'url(#' + this.constants.replacementGlowFilterId + ')');
-  } else {
-    this.svgPath.removeAttribute('filter');
-  }
-};
-
-/**
- * @override
- */
-Blockly.zelos.PathObject.prototype.updateShapeForInputHighlight = function(
-    conn, enable) {
-  var name = conn.getParentInput().name;
-  var outlinePath = this.getOutlinePath_(name);
-  if (!outlinePath) {
-    return;
-  }
-  if (enable) {
-    outlinePath.setAttribute('filter',
-        'url(#' + this.constants.replacementGlowFilterId + ')');
-  } else {
-    outlinePath.removeAttribute('filter');
-  }
-};
-
-/**
- * Method that's called when the drawer is about to draw the block.
- * @package
- */
-Blockly.zelos.PathObject.prototype.beginDrawing = function() {
-  this.remainingOutlines_ = {};
-  for (var i = 0, keys = Object.keys(this.outlines_),
-    key; (key = keys[i]); i++) {
-    // The value set here isn't used anywhere, we are just using the
-    // object as a Set data structure.
-    this.remainingOutlines_[key] = 1;
-  }
-};
-
-/**
- * Method that's called when the drawer is done drawing.
- * @package
- */
-Blockly.zelos.PathObject.prototype.endDrawing = function() {
-  // Go through all remaining outlines that were not used this draw pass, and
-  // remove them.
-  if (this.remainingOutlines_) {
-    for (var i = 0, keys = Object.keys(this.remainingOutlines_),
-      key; (key = keys[i]); i++) {
-      this.removeOutlinePath_(key);
-    }
-  }
-  this.remainingOutlines_ = null;
-};
-
-/**
- * Set the path generated by the renderer for an outline path on the respective
- * outline path SVG element.
- * @param {string} name The input name.
- * @param {string} pathString The path.
- * @package
- */
-Blockly.zelos.PathObject.prototype.setOutlinePath = function(name, pathString) {
-  var outline = this.getOutlinePath_(name);
-  outline.setAttribute('d', pathString);
-  outline.setAttribute('fill', this.style.colourTertiary);
-};
-
-/**
- * Create's an outline path for the specified input.
- * @param {string} name The input name.
- * @return {!SVGElement} The SVG outline path.
- * @private
- */
-Blockly.zelos.PathObject.prototype.getOutlinePath_ = function(name) {
-  if (!this.outlines_[name]) {
-    this.outlines_[name] = Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.PATH, {
-          'class': 'blocklyOutlinePath',
-          // IE doesn't like paths without the data definition, set empty default
-          'd': ''
-        },
-        this.svgRoot);
-  }
-  if (this.remainingOutlines_) {
-    delete this.remainingOutlines_[name];
-  }
-  return this.outlines_[name];
-};
-
-/**
- * Remove an outline path that is associated with the specified input.
- * @param {string} name The input name.
- * @private
- */
-Blockly.zelos.PathObject.prototype.removeOutlinePath_ = function(name) {
-  this.outlines_[name].parentNode.removeChild(this.outlines_[name]);
-  delete this.outlines_[name];
-};
diff --git a/core/renderers/zelos/path_object.ts b/core/renderers/zelos/path_object.ts
new file mode 100644
index 00000000000..fdc6ab8a626
--- /dev/null
+++ b/core/renderers/zelos/path_object.ts
@@ -0,0 +1,209 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.zelos.PathObject
+
+import type {BlockSvg} from '../../block_svg.js';
+import type {Connection} from '../../connection.js';
+import type {BlockStyle} from '../../theme.js';
+import * as dom from '../../utils/dom.js';
+import {Svg} from '../../utils/svg.js';
+import {PathObject as BasePathObject} from '../common/path_object.js';
+
+import type {ConstantProvider} from './constants.js';
+
+/**
+ * An object that handles creating and setting each of the SVG elements
+ * used by the renderer.
+ */
+export class PathObject extends BasePathObject {
+  /** The selected path of the block. */
+  private svgPathSelected: SVGElement | null = null;
+
+  /** The outline paths on the block. */
+  private readonly outlines = new Map<string, SVGElement>();
+
+  /**
+   * A set used to determine which outlines were used during a draw pass.  The
+   * set is initialized with a reference to all the outlines in
+   * `this.outlines`. Every time we use an outline during the draw pass, the
+   * reference is removed from this set.
+   */
+  private remainingOutlines = new Set<string>();
+
+  /**
+   * The type of block's output connection shape.  This is set when a block
+   * with an output connection is drawn.
+   */
+  outputShapeType: number | null = null;
+
+  public override constants: ConstantProvider;
+
+  /**
+   * @param root The root SVG element.
+   * @param style The style object to use for colouring.
+   * @param constants The renderer's constants.
+   */
+  constructor(
+    root: SVGElement,
+    style: BlockStyle,
+    constants: ConstantProvider,
+  ) {
+    super(root, style, constants);
+
+    this.constants = constants;
+  }
+
+  override setPath(pathString: string) {
+    super.setPath(pathString);
+    if (this.svgPathSelected) {
+      this.svgPathSelected.setAttribute('d', pathString);
+    }
+  }
+
+  override applyColour(block: BlockSvg) {
+    super.applyColour(block);
+    // Set shadow stroke colour.
+    const parent = block.getParent();
+    if (block.isShadow() && parent) {
+      this.svgPath.setAttribute('stroke', parent.style.colourTertiary);
+    }
+
+    // Apply colour to outlines.
+    for (const outline of this.outlines.values()) {
+      outline.setAttribute('fill', this.style.colourTertiary);
+    }
+  }
+
+  override flipRTL() {
+    super.flipRTL();
+    // Mirror each input outline path.
+    for (const outline of this.outlines.values()) {
+      outline.setAttribute('transform', 'scale(-1 1)');
+    }
+  }
+
+  override updateSelected(enable: boolean) {
+    this.setClass_('blocklySelected', enable);
+    if (enable) {
+      if (!this.svgPathSelected) {
+        this.svgPathSelected = this.svgPath.cloneNode(true) as SVGElement;
+        this.svgPathSelected.setAttribute('fill', 'none');
+        this.svgPathSelected.setAttribute(
+          'filter',
+          'url(#' + this.constants.selectedGlowFilterId + ')',
+        );
+        this.svgRoot.appendChild(this.svgPathSelected);
+      }
+    } else {
+      if (this.svgPathSelected) {
+        this.svgRoot.removeChild(this.svgPathSelected);
+        this.svgPathSelected = null;
+      }
+    }
+  }
+
+  override updateReplacementFade(enable: boolean) {
+    this.setClass_('blocklyReplaceable', enable);
+    if (enable) {
+      this.svgPath.setAttribute(
+        'filter',
+        'url(#' + this.constants.replacementGlowFilterId + ')',
+      );
+    } else {
+      this.svgPath.removeAttribute('filter');
+    }
+  }
+
+  override updateShapeForInputHighlight(conn: Connection, enable: boolean) {
+    const name = conn.getParentInput()!.name;
+    const outlinePath = this.getOutlinePath(name);
+    if (!outlinePath) {
+      return;
+    }
+    if (enable) {
+      outlinePath.setAttribute(
+        'filter',
+        'url(#' + this.constants.replacementGlowFilterId + ')',
+      );
+    } else {
+      outlinePath.removeAttribute('filter');
+    }
+  }
+
+  /**
+   * Method that's called when the drawer is about to draw the block.
+   */
+  beginDrawing() {
+    this.remainingOutlines.clear();
+    for (const key of this.outlines.keys()) {
+      this.remainingOutlines.add(key);
+    }
+  }
+
+  /**
+   * Method that's called when the drawer is done drawing.
+   */
+  endDrawing() {
+    // Go through all remaining outlines that were not used this draw pass, and
+    // remove them.
+    if (this.remainingOutlines.size) {
+      for (const key of this.remainingOutlines) {
+        this.removeOutlinePath(key);
+      }
+    }
+    this.remainingOutlines.clear();
+  }
+
+  /**
+   * Set the path generated by the renderer for an outline path on the
+   * respective outline path SVG element.
+   *
+   * @param name The input name.
+   * @param pathString The path.
+   */
+  setOutlinePath(name: string, pathString: string) {
+    const outline = this.getOutlinePath(name);
+    outline.setAttribute('d', pathString);
+    outline.setAttribute('fill', this.style.colourTertiary);
+  }
+
+  /**
+   * Create's an outline path for the specified input.
+   *
+   * @param name The input name.
+   * @returns The SVG outline path.
+   */
+  private getOutlinePath(name: string): SVGElement {
+    if (!this.outlines.has(name)) {
+      this.outlines.set(
+        name,
+        dom.createSvgElement(
+          Svg.PATH,
+          {
+            'class': 'blocklyOutlinePath', // IE doesn't like paths without the
+            // data definition, set empty
+            // default
+            'd': '',
+          },
+          this.svgRoot,
+        ),
+      );
+    }
+    this.remainingOutlines.delete(name);
+    return this.outlines.get(name)!;
+  }
+
+  /**
+   * Remove an outline path that is associated with the specified input.
+   *
+   * @param name The input name.
+   */
+  private removeOutlinePath(name: string) {
+    this.outlines.get(name)?.parentNode?.removeChild(this.outlines.get(name)!);
+    this.outlines.delete(name);
+  }
+}
diff --git a/core/renderers/zelos/renderer.js b/core/renderers/zelos/renderer.js
deleted file mode 100644
index a9ee7f0e318..00000000000
--- a/core/renderers/zelos/renderer.js
+++ /dev/null
@@ -1,130 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Zelos renderer.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.zelos.Renderer');
-
-goog.require('Blockly.blockRendering');
-goog.require('Blockly.blockRendering.Renderer');
-goog.require('Blockly.InsertionMarkerManager');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.zelos.ConstantProvider');
-goog.require('Blockly.zelos.Drawer');
-goog.require('Blockly.zelos.PathObject');
-goog.require('Blockly.zelos.RenderInfo');
-goog.require('Blockly.zelos.MarkerSvg');
-
-
-/**
- * The zelos renderer.
- * @param {string} name The renderer name.
- * @package
- * @constructor
- * @extends {Blockly.blockRendering.Renderer}
- */
-Blockly.zelos.Renderer = function(name) {
-  Blockly.zelos.Renderer.superClass_.constructor.call(this, name);
-};
-Blockly.utils.object.inherits(Blockly.zelos.Renderer,
-    Blockly.blockRendering.Renderer);
-
-/**
- * Create a new instance of the renderer's constant provider.
- * @return {!Blockly.zelos.ConstantProvider} The constant provider.
- * @protected
- * @override
- */
-Blockly.zelos.Renderer.prototype.makeConstants_ = function() {
-  return new Blockly.zelos.ConstantProvider();
-};
-
-/**
- * Create a new instance of the renderer's render info object.
- * @param {!Blockly.BlockSvg} block The block to measure.
- * @return {!Blockly.zelos.RenderInfo} The render info object.
- * @protected
- * @override
- */
-Blockly.zelos.Renderer.prototype.makeRenderInfo_ = function(block) {
-  return new Blockly.zelos.RenderInfo(this, block);
-};
-
-/**
- * Create a new instance of the renderer's drawer.
- * @param {!Blockly.BlockSvg} block The block to render.
- * @param {!Blockly.blockRendering.RenderInfo} info An object containing all
- *   information needed to render this block.
- * @return {!Blockly.zelos.Drawer} The drawer.
- * @protected
- * @override
- */
-Blockly.zelos.Renderer.prototype.makeDrawer_ = function(block, info) {
-  return new Blockly.zelos.Drawer(block,
-      /** @type {!Blockly.zelos.RenderInfo} */ (info));
-};
-
-/**
- * Create a new instance of the renderer's cursor drawer.
- * @param {!Blockly.WorkspaceSvg} workspace The workspace the cursor belongs to.
- * @param {!Blockly.Marker} marker The marker.
- * @return {!Blockly.blockRendering.MarkerSvg} The object in charge of drawing
- *     the marker.
- * @package
- * @override
- */
-Blockly.zelos.Renderer.prototype.makeMarkerDrawer = function(
-    workspace, marker) {
-  return new Blockly.zelos.MarkerSvg(workspace, this.getConstants(), marker);
-};
-
-/**
- * Create a new instance of a renderer path object.
- * @param {!SVGElement} root The root SVG element.
- * @param {!Blockly.Theme.BlockStyle} style The style object to use for
- *     colouring.
- * @return {!Blockly.zelos.PathObject} The renderer path object.
- * @package
- * @override
- */
-Blockly.zelos.Renderer.prototype.makePathObject = function(root, style) {
-  return new Blockly.zelos.PathObject(root, style,
-      /** @type {!Blockly.zelos.ConstantProvider} */ (this.getConstants()));
-};
-
-/**
- * @override
- */
-Blockly.zelos.Renderer.prototype.shouldHighlightConnection = function(conn) {
-  return conn.type != Blockly.INPUT_VALUE && conn.type !== Blockly.OUTPUT_VALUE;
-};
-
-/**
- * @override
- */
-Blockly.zelos.Renderer.prototype.getConnectionPreviewMethod =
-    function(closest, local, topBlock) {
-      if (local.type == Blockly.OUTPUT_VALUE) {
-        if (!closest.isConnected()) {
-          return Blockly.InsertionMarkerManager.PREVIEW_TYPE.INPUT_OUTLINE;
-        }
-        // TODO: Returning this is a total hack, because we don't want to show
-        //   a replacement fade, we want to show an outline affect.
-        //   Sadly zelos does not support showing an outline around filled
-        //   inputs, so we have to pretend like the connected block is getting
-        //   replaced.
-        return Blockly.InsertionMarkerManager.PREVIEW_TYPE.REPLACEMENT_FADE;
-      }
-
-      return Blockly.zelos.Renderer.superClass_
-          .getConnectionPreviewMethod(closest, local, topBlock);
-    };
-
-Blockly.blockRendering.register('zelos', Blockly.zelos.Renderer);
diff --git a/core/renderers/zelos/renderer.ts b/core/renderers/zelos/renderer.ts
new file mode 100644
index 00000000000..354a3f35adf
--- /dev/null
+++ b/core/renderers/zelos/renderer.ts
@@ -0,0 +1,143 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.zelos.Renderer
+
+import type {BlockSvg} from '../../block_svg.js';
+import {ConnectionType} from '../../connection_type.js';
+import {InsertionMarkerManager} from '../../insertion_marker_manager.js';
+import type {Marker} from '../../keyboard_nav/marker.js';
+import type {RenderedConnection} from '../../rendered_connection.js';
+import type {BlockStyle} from '../../theme.js';
+import type {WorkspaceSvg} from '../../workspace_svg.js';
+import * as blockRendering from '../common/block_rendering.js';
+import type {RenderInfo as BaseRenderInfo} from '../common/info.js';
+import {Renderer as BaseRenderer} from '../common/renderer.js';
+
+import {ConstantProvider} from './constants.js';
+import {Drawer} from './drawer.js';
+import {RenderInfo} from './info.js';
+import {MarkerSvg} from './marker_svg.js';
+import {PathObject} from './path_object.js';
+import * as deprecation from '../../utils/deprecation.js';
+
+/**
+ * The zelos renderer. This renderer emulates Scratch-style and MakeCode-style
+ * rendering.
+ *
+ * Zelos is the ancient Greek spirit of rivalry and emulation.
+ */
+export class Renderer extends BaseRenderer {
+  protected override constants_!: ConstantProvider;
+
+  /**
+   * @param name The renderer name.
+   */
+  constructor(name: string) {
+    super(name);
+  }
+
+  /**
+   * Create a new instance of the renderer's constant provider.
+   *
+   * @returns The constant provider.
+   */
+  protected override makeConstants_(): ConstantProvider {
+    return new ConstantProvider();
+  }
+
+  /**
+   * Create a new instance of the renderer's render info object.
+   *
+   * @param block The block to measure.
+   * @returns The render info object.
+   */
+  protected override makeRenderInfo_(block: BlockSvg): RenderInfo {
+    return new RenderInfo(this, block);
+  }
+
+  /**
+   * Create a new instance of the renderer's drawer.
+   *
+   * @param block The block to render.
+   * @param info An object containing all information needed to render this
+   *     block.
+   * @returns The drawer.
+   */
+  protected override makeDrawer_(
+    block: BlockSvg,
+    info: BaseRenderInfo,
+  ): Drawer {
+    return new Drawer(block, info as RenderInfo);
+  }
+
+  /**
+   * Create a new instance of the renderer's cursor drawer.
+   *
+   * @param workspace The workspace the cursor belongs to.
+   * @param marker The marker.
+   * @returns The object in charge of drawing the marker.
+   */
+  override makeMarkerDrawer(
+    workspace: WorkspaceSvg,
+    marker: Marker,
+  ): MarkerSvg {
+    return new MarkerSvg(workspace, this.getConstants(), marker);
+  }
+
+  /**
+   * Create a new instance of a renderer path object.
+   *
+   * @param root The root SVG element.
+   * @param style The style object to use for colouring.
+   * @returns The renderer path object.
+   */
+  override makePathObject(root: SVGElement, style: BlockStyle): PathObject {
+    return new PathObject(root, style, this.getConstants() as ConstantProvider);
+  }
+
+  /**
+   * Get the current renderer's constant provider.  We assume that when this is
+   * called, the renderer has already been initialized.
+   *
+   * @returns The constant provider.
+   */
+  override getConstants(): ConstantProvider {
+    return this.constants_;
+  }
+
+  /**
+   * @deprecated v10 - This function is no longer respected. A custom
+   *    IConnectionPreviewer may be able to fulfill the functionality.
+   */
+  override getConnectionPreviewMethod(
+    closest: RenderedConnection,
+    local: RenderedConnection,
+    topBlock: BlockSvg,
+  ) {
+    deprecation.warn(
+      'getConnectionPreviewMethod',
+      'v10',
+      'v12',
+      'an IConnectionPreviewer, if it fulfills your use case.',
+    );
+    if (local.type === ConnectionType.OUTPUT_VALUE) {
+      if (!closest.isConnected()) {
+        return InsertionMarkerManager.PREVIEW_TYPE.INPUT_OUTLINE;
+      }
+      // TODO: Returning this is a total hack, because we don't want to show
+      //   a replacement fade, we want to show an outline affect.
+      //   Sadly zelos does not support showing an outline around filled
+      //   inputs, so we have to pretend like the connected block is getting
+      //   replaced.
+      return InsertionMarkerManager.PREVIEW_TYPE.REPLACEMENT_FADE;
+    }
+
+    return super.getConnectionPreviewMethod(closest, local, topBlock);
+  }
+}
+
+blockRendering.register('zelos', Renderer);
diff --git a/core/renderers/zelos/zelos.ts b/core/renderers/zelos/zelos.ts
new file mode 100644
index 00000000000..c28a0210c6d
--- /dev/null
+++ b/core/renderers/zelos/zelos.ts
@@ -0,0 +1,33 @@
+/** @file Re-exports of Blockly.zelos.* modules. */
+
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.zelos
+
+import {ConstantProvider} from './constants.js';
+import {Drawer} from './drawer.js';
+import {RenderInfo} from './info.js';
+import {MarkerSvg} from './marker_svg.js';
+import {BottomRow} from './measurables/bottom_row.js';
+import {StatementInput} from './measurables/inputs.js';
+import {RightConnectionShape} from './measurables/row_elements.js';
+import {TopRow} from './measurables/top_row.js';
+import {PathObject} from './path_object.js';
+import {Renderer} from './renderer.js';
+
+export {
+  BottomRow,
+  ConstantProvider,
+  Drawer,
+  MarkerSvg,
+  PathObject,
+  Renderer,
+  RenderInfo,
+  RightConnectionShape,
+  StatementInput,
+  TopRow,
+};
diff --git a/core/requires.js b/core/requires.js
deleted file mode 100644
index d7008717f57..00000000000
--- a/core/requires.js
+++ /dev/null
@@ -1,84 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Default Blockly entry point. Use this to pick and choose which
- * fields and renderers to include in your Blockly bundle.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.requires');
-
-// Blockly Core (absolutely mandatory).
-goog.require('Blockly');
-
-
-// If block comments aren't required, then Blockly.inject's "comments"
-// configuration must be false, and no blocks may be loaded from XML which
-// define comments.
-goog.require('Blockly.Comment');
-// One of these two will almost certainly be needed (usually VerticalFlyout).
-goog.require('Blockly.HorizontalFlyout');
-goog.require('Blockly.VerticalFlyout');
-// Flyout buttons are needed by the variable category,
-// and by any custom toolbox that has a button or a label.
-goog.require('Blockly.FlyoutButton');
-// If there is code generation into any language, then the generator is needed.
-// Should not be required when using advanced compilation since
-// individual generator files should already have this require.
-goog.require('Blockly.Generator');
-// If the toolbox does not have categories and only has a simple flyout, then
-// 'Blockly.Toolbox' is not needed.
-goog.require('Blockly.Toolbox');
-// If a trashcan on the workspace isn't required, then Blockly.inject's
-// "trashcan" configuration must be false.
-goog.require('Blockly.Trashcan');
-// Only needed if one is using the 'VARIABLE_DYNAMIC' typed variables category.
-goog.require('Blockly.VariablesDynamic');
-// Only need to require these two if you're using workspace comments.
-// goog.require('Blockly.WorkspaceCommentSvg');
-// goog.require('Blockly.WorkspaceCommentSvg.render');
-// If zoom controls aren't required, then Blockly.inject's
-// "zoom"/"controls" configuration must be false.
-goog.require('Blockly.ZoomControls');
-
-
-// Block dependencies.
-// None of these should be required when using advanced compilation since
-// individual block files should include the requirements they depend on.
-goog.require('Blockly.Mutator');
-goog.require('Blockly.Warning');
-goog.require('Blockly.FieldAngle');
-goog.require('Blockly.FieldCheckbox');
-goog.require('Blockly.FieldColour');
-goog.require('Blockly.FieldDropdown');
-goog.require('Blockly.FieldLabelSerializable');
-goog.require('Blockly.FieldImage');
-goog.require('Blockly.FieldTextInput');
-goog.require('Blockly.FieldMultilineInput');
-goog.require('Blockly.FieldNumber');
-goog.require('Blockly.FieldVariable');
-
-
-// Blockly Renderers.
-// At least one renderer is mandatory.  Geras is the default one.
-// Others may be chosen using Blockly.inject's "renderer" configuration.
-goog.require('Blockly.geras.Renderer');
-goog.require('Blockly.thrasos.Renderer');
-goog.require('Blockly.zelos.Renderer');
-// The debug renderer, which shows simplified versions of the blocks for
-// developer use.
-// goog.require('Blockly.blockRendering.Debug');
-
-// Blockly Themes.
-// Classic is the default theme.
-goog.require('Blockly.Themes.Classic');
-goog.require('Blockly.Themes.Dark');
-goog.require('Blockly.Themes.Deuteranopia');
-goog.require('Blockly.Themes.HighContrast');
-goog.require('Blockly.Themes.Tritanopia');
-// goog.require('Blockly.Themes.Modern');
diff --git a/core/scrollbar.js b/core/scrollbar.js
deleted file mode 100644
index 2f0fc22ba15..00000000000
--- a/core/scrollbar.js
+++ /dev/null
@@ -1,880 +0,0 @@
-/**
- * @license
- * Copyright 2011 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Library for creating scrollbars.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Scrollbar');
-goog.provide('Blockly.ScrollbarPair');
-
-goog.require('Blockly.Touch');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Metrics');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * A note on units: most of the numbers that are in CSS pixels are scaled if the
- * scrollbar is in a mutator.
- */
-
-/**
- * Class for a pair of scrollbars.  Horizontal and vertical.
- * @param {!Blockly.WorkspaceSvg} workspace Workspace to bind the scrollbars to.
- * @constructor
- */
-Blockly.ScrollbarPair = function(workspace) {
-  this.workspace_ = workspace;
-  this.hScroll = new Blockly.Scrollbar(
-      workspace, true, true, 'blocklyMainWorkspaceScrollbar');
-  this.vScroll = new Blockly.Scrollbar(
-      workspace, false, true, 'blocklyMainWorkspaceScrollbar');
-  this.corner_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'height': Blockly.Scrollbar.scrollbarThickness,
-        'width': Blockly.Scrollbar.scrollbarThickness,
-        'class': 'blocklyScrollbarBackground'
-      },
-      null);
-  Blockly.utils.dom.insertAfter(this.corner_, workspace.getBubbleCanvas());
-
-  /**
-   * Previously recorded metrics from the workspace.
-   * @type {?Blockly.utils.Metrics}
-   * @private
-   */
-  this.oldHostMetrics_ = null;
-};
-
-/**
- * Dispose of this pair of scrollbars.
- * Unlink from all DOM elements to prevent memory leaks.
- */
-Blockly.ScrollbarPair.prototype.dispose = function() {
-  Blockly.utils.dom.removeNode(this.corner_);
-  this.corner_ = null;
-  this.workspace_ = null;
-  this.oldHostMetrics_ = null;
-  this.hScroll.dispose();
-  this.hScroll = null;
-  this.vScroll.dispose();
-  this.vScroll = null;
-};
-
-/**
- * Recalculate both of the scrollbars' locations and lengths.
- * Also reposition the corner rectangle.
- */
-Blockly.ScrollbarPair.prototype.resize = function() {
-  // Look up the host metrics once, and use for both scrollbars.
-  var hostMetrics = this.workspace_.getMetrics();
-  if (!hostMetrics) {
-    // Host element is likely not visible.
-    return;
-  }
-
-  // Only change the scrollbars if there has been a change in metrics.
-  var resizeH = false;
-  var resizeV = false;
-  if (!this.oldHostMetrics_ ||
-      this.oldHostMetrics_.viewWidth != hostMetrics.viewWidth ||
-      this.oldHostMetrics_.viewHeight != hostMetrics.viewHeight ||
-      this.oldHostMetrics_.absoluteTop != hostMetrics.absoluteTop ||
-      this.oldHostMetrics_.absoluteLeft != hostMetrics.absoluteLeft) {
-    // The window has been resized or repositioned.
-    resizeH = true;
-    resizeV = true;
-  } else {
-    // Has the content been resized or moved?
-    if (!this.oldHostMetrics_ ||
-        this.oldHostMetrics_.contentWidth != hostMetrics.contentWidth ||
-        this.oldHostMetrics_.viewLeft != hostMetrics.viewLeft ||
-        this.oldHostMetrics_.contentLeft != hostMetrics.contentLeft) {
-      resizeH = true;
-    }
-    if (!this.oldHostMetrics_ ||
-        this.oldHostMetrics_.contentHeight != hostMetrics.contentHeight ||
-        this.oldHostMetrics_.viewTop != hostMetrics.viewTop ||
-        this.oldHostMetrics_.contentTop != hostMetrics.contentTop) {
-      resizeV = true;
-    }
-  }
-  if (resizeH || resizeV) {
-    try {
-      Blockly.Events.disable();
-      if (resizeH) {
-        this.hScroll.resize(hostMetrics);
-      }
-      if (resizeV) {
-        this.vScroll.resize(hostMetrics);
-      }
-    } finally {
-      Blockly.Events.enable();
-    }
-    this.workspace_.maybeFireViewportChangeEvent();
-  }
-
-  // Reposition the corner square.
-  if (!this.oldHostMetrics_ ||
-      this.oldHostMetrics_.viewWidth != hostMetrics.viewWidth ||
-      this.oldHostMetrics_.absoluteLeft != hostMetrics.absoluteLeft) {
-    this.corner_.setAttribute('x', this.vScroll.position.x);
-  }
-  if (!this.oldHostMetrics_ ||
-      this.oldHostMetrics_.viewHeight != hostMetrics.viewHeight ||
-      this.oldHostMetrics_.absoluteTop != hostMetrics.absoluteTop) {
-    this.corner_.setAttribute('y', this.hScroll.position.y);
-  }
-
-  // Cache the current metrics to potentially short-cut the next resize event.
-  this.oldHostMetrics_ = hostMetrics;
-};
-
-/**
- * Set the handles of both scrollbars to be at a certain position in CSS pixels
- * relative to their parents.
- * @param {number} x Horizontal scroll value.
- * @param {number} y Vertical scroll value.
- */
-Blockly.ScrollbarPair.prototype.set = function(x, y) {
-  // This function is equivalent to:
-  //   this.hScroll.set(x);
-  //   this.vScroll.set(y);
-  // However, that calls setMetrics twice which causes a chain of
-  // getAttribute->setAttribute->getAttribute resulting in an extra layout pass.
-  // Combining them speeds up rendering.
-  var xyRatio = {};
-
-  var hHandlePosition = x * this.hScroll.ratio;
-  var vHandlePosition = y * this.vScroll.ratio;
-
-  var hBarLength = this.hScroll.scrollViewSize_;
-  var vBarLength = this.vScroll.scrollViewSize_;
-
-  xyRatio.x = this.getRatio_(hHandlePosition, hBarLength);
-  xyRatio.y = this.getRatio_(vHandlePosition, vBarLength);
-  this.workspace_.setMetrics(xyRatio);
-
-  this.hScroll.setHandlePosition(hHandlePosition);
-  this.vScroll.setHandlePosition(vHandlePosition);
-};
-
-/**
- * Helper to calculate the ratio of handle position to scrollbar view size.
- * @param {number} handlePosition The value of the handle.
- * @param {number} viewSize The total size of the scrollbar's view.
- * @return {number} Ratio.
- * @private
- */
-Blockly.ScrollbarPair.prototype.getRatio_ = function(handlePosition, viewSize) {
-  var ratio = handlePosition / viewSize;
-  if (isNaN(ratio)) {
-    return 0;
-  }
-  return ratio;
-};
-
-// --------------------------------------------------------------------
-
-/**
- * Class for a pure SVG scrollbar.
- * This technique offers a scrollbar that is guaranteed to work, but may not
- * look or behave like the system's scrollbars.
- * @param {!Blockly.WorkspaceSvg} workspace Workspace to bind the scrollbar to.
- * @param {boolean} horizontal True if horizontal, false if vertical.
- * @param {boolean=} opt_pair True if scrollbar is part of a horiz/vert pair.
- * @param {string=} opt_class A class to be applied to this scrollbar.
- * @constructor
- */
-Blockly.Scrollbar = function(workspace, horizontal, opt_pair, opt_class) {
-  this.workspace_ = workspace;
-  this.pair_ = opt_pair || false;
-  this.horizontal_ = horizontal;
-  this.oldHostMetrics_ = null;
-
-  /**
-   * @type {?number}
-   * @package
-   */
-  this.ratio = null;
-
-  this.createDom_(opt_class);
-
-  /**
-   * The upper left corner of the scrollbar's SVG group in CSS pixels relative
-   * to the scrollbar's origin.  This is usually relative to the injection div
-   * origin.
-   * @type {Blockly.utils.Coordinate}
-   * @package
-   */
-  this.position = new Blockly.utils.Coordinate(0, 0);
-
-  // Store the thickness in a temp variable for readability.
-  var scrollbarThickness = Blockly.Scrollbar.scrollbarThickness;
-  if (horizontal) {
-    this.svgBackground_.setAttribute('height', scrollbarThickness);
-    this.outerSvg_.setAttribute('height', scrollbarThickness);
-    this.svgHandle_.setAttribute('height', scrollbarThickness - 5);
-    this.svgHandle_.setAttribute('y', 2.5);
-
-    this.lengthAttribute_ = 'width';
-    this.positionAttribute_ = 'x';
-  } else {
-    this.svgBackground_.setAttribute('width', scrollbarThickness);
-    this.outerSvg_.setAttribute('width', scrollbarThickness);
-    this.svgHandle_.setAttribute('width', scrollbarThickness - 5);
-    this.svgHandle_.setAttribute('x', 2.5);
-
-    this.lengthAttribute_ = 'height';
-    this.positionAttribute_ = 'y';
-  }
-  var scrollbar = this;
-  this.onMouseDownBarWrapper_ = Blockly.bindEventWithChecks_(
-      this.svgBackground_, 'mousedown', scrollbar, scrollbar.onMouseDownBar_);
-  this.onMouseDownHandleWrapper_ = Blockly.bindEventWithChecks_(this.svgHandle_,
-      'mousedown', scrollbar, scrollbar.onMouseDownHandle_);
-};
-
-/**
- * The location of the origin of the workspace that the scrollbar is in,
- * measured in CSS pixels relative to the injection div origin.  This is usually
- * (0, 0).  When the scrollbar is in a flyout it may have a different origin.
- * @type {Blockly.utils.Coordinate}
- * @private
- */
-Blockly.Scrollbar.prototype.origin_ = new Blockly.utils.Coordinate(0, 0);
-
-/**
- * The position of the mouse along this scrollbar's major axis at the start of
- * the most recent drag.
- * Units are CSS pixels, with (0, 0) at the top left of the browser window.
- * For a horizontal scrollbar this is the x coordinate of the mouse down event;
- * for a vertical scrollbar it's the y coordinate of the mouse down event.
- * @type {number}
- * @private
- */
-Blockly.Scrollbar.prototype.startDragMouse_ = 0;
-
-/**
- * The size of the area within which the scrollbar handle can move, in CSS
- * pixels.
- * @type {number}
- * @private
- */
-Blockly.Scrollbar.prototype.scrollViewSize_ = 0;
-
-/**
- * The length of the scrollbar handle in CSS pixels.
- * @type {number}
- * @private
- */
-Blockly.Scrollbar.prototype.handleLength_ = 0;
-
-/**
- * The offset of the start of the handle from the scrollbar position, in CSS
- * pixels.
- * @type {number}
- * @private
- */
-Blockly.Scrollbar.prototype.handlePosition_ = 0;
-
-/**
- * Whether the scrollbar handle is visible.
- * @type {boolean}
- * @private
- */
-Blockly.Scrollbar.prototype.isVisible_ = true;
-
-/**
- * Whether the workspace containing this scrollbar is visible.
- * @type {boolean}
- * @private
- */
-Blockly.Scrollbar.prototype.containerVisible_ = true;
-
-/**
- * Width of vertical scrollbar or height of horizontal scrollbar in CSS pixels.
- * Scrollbars should be larger on touch devices.
- */
-Blockly.Scrollbar.scrollbarThickness = 15;
-if (Blockly.Touch.TOUCH_ENABLED) {
-  Blockly.Scrollbar.scrollbarThickness = 25;
-}
-
-/**
- * @param {Blockly.utils.Metrics} first An object containing computed
- *     measurements of a workspace.
- * @param {Blockly.utils.Metrics} second Another object containing computed
- *     measurements of a workspace.
- * @return {boolean} Whether the two sets of metrics are equivalent.
- * @private
- */
-Blockly.Scrollbar.metricsAreEquivalent_ = function(first, second) {
-  if (!(first && second)) {
-    return false;
-  }
-
-  if (first.viewWidth != second.viewWidth ||
-      first.viewHeight != second.viewHeight ||
-      first.viewLeft != second.viewLeft ||
-      first.viewTop != second.viewTop ||
-      first.absoluteTop != second.absoluteTop ||
-      first.absoluteLeft != second.absoluteLeft ||
-      first.contentWidth != second.contentWidth ||
-      first.contentHeight != second.contentHeight ||
-      first.contentLeft != second.contentLeft ||
-      first.contentTop != second.contentTop) {
-    return false;
-  }
-
-  return true;
-};
-
-/**
- * Dispose of this scrollbar.
- * Unlink from all DOM elements to prevent memory leaks.
- */
-Blockly.Scrollbar.prototype.dispose = function() {
-  this.cleanUp_();
-  Blockly.unbindEvent_(this.onMouseDownBarWrapper_);
-  this.onMouseDownBarWrapper_ = null;
-  Blockly.unbindEvent_(this.onMouseDownHandleWrapper_);
-  this.onMouseDownHandleWrapper_ = null;
-
-  Blockly.utils.dom.removeNode(this.outerSvg_);
-  this.outerSvg_ = null;
-  this.svgGroup_ = null;
-  this.svgBackground_ = null;
-  if (this.svgHandle_) {
-    this.workspace_.getThemeManager().unsubscribe(this.svgHandle_);
-    this.svgHandle_ = null;
-  }
-  this.workspace_ = null;
-};
-
-/**
- * Set the length of the scrollbar's handle and change the SVG attribute
- * accordingly.
- * @param {number} newLength The new scrollbar handle length in CSS pixels.
- * @private
- */
-Blockly.Scrollbar.prototype.setHandleLength_ = function(newLength) {
-  this.handleLength_ = newLength;
-  this.svgHandle_.setAttribute(this.lengthAttribute_, this.handleLength_);
-};
-
-/**
- * Set the offset of the scrollbar's handle from the scrollbar's position, and
- * change the SVG attribute accordingly.
- * @param {number} newPosition The new scrollbar handle offset in CSS pixels.
- */
-Blockly.Scrollbar.prototype.setHandlePosition = function(newPosition) {
-  this.handlePosition_ = newPosition;
-  this.svgHandle_.setAttribute(this.positionAttribute_, this.handlePosition_);
-};
-
-/**
- * Set the size of the scrollbar's background and change the SVG attribute
- * accordingly.
- * @param {number} newSize The new scrollbar background length in CSS pixels.
- * @private
- */
-Blockly.Scrollbar.prototype.setScrollViewSize_ = function(newSize) {
-  this.scrollViewSize_ = newSize;
-  this.outerSvg_.setAttribute(this.lengthAttribute_, this.scrollViewSize_);
-  this.svgBackground_.setAttribute(this.lengthAttribute_, this.scrollViewSize_);
-};
-
-/**
- * Set whether this scrollbar's container is visible.
- * @param {boolean} visible Whether the container is visible.
- */
-Blockly.ScrollbarPair.prototype.setContainerVisible = function(visible) {
-  this.hScroll.setContainerVisible(visible);
-  this.vScroll.setContainerVisible(visible);
-};
-
-/**
- * Set the position of the scrollbar's SVG group in CSS pixels relative to the
- * scrollbar's origin.  This sets the scrollbar's location within the workspace.
- * @param {number} x The new x coordinate.
- * @param {number} y The new y coordinate.
- * @package
- */
-Blockly.Scrollbar.prototype.setPosition = function(x, y) {
-  this.position.x = x;
-  this.position.y = y;
-
-  var tempX = this.position.x + this.origin_.x;
-  var tempY = this.position.y + this.origin_.y;
-  var transform = 'translate(' + tempX + 'px,' + tempY + 'px)';
-  Blockly.utils.dom.setCssTransform(this.outerSvg_, transform);
-};
-
-/**
- * Recalculate the scrollbar's location and its length.
- * @param {Blockly.utils.Metrics=} opt_metrics A data structure of from the
- *     describing all the required dimensions.  If not provided, it will be
- *     fetched from the host object.
- */
-Blockly.Scrollbar.prototype.resize = function(opt_metrics) {
-  // Determine the location, height and width of the host element.
-  var hostMetrics = opt_metrics;
-  if (!hostMetrics) {
-    hostMetrics = this.workspace_.getMetrics();
-    if (!hostMetrics) {
-      // Host element is likely not visible.
-      return;
-    }
-  }
-
-  if (Blockly.Scrollbar.metricsAreEquivalent_(hostMetrics,
-      this.oldHostMetrics_)) {
-    return;
-  }
-  this.oldHostMetrics_ = hostMetrics;
-
-  /* hostMetrics is an object with the following properties.
-   * .viewHeight: Height of the visible rectangle,
-   * .viewWidth: Width of the visible rectangle,
-   * .contentHeight: Height of the contents,
-   * .contentWidth: Width of the content,
-   * .viewTop: Offset of top edge of visible rectangle from parent,
-   * .viewLeft: Offset of left edge of visible rectangle from parent,
-   * .contentTop: Offset of the top-most content from the y=0 coordinate,
-   * .contentLeft: Offset of the left-most content from the x=0 coordinate,
-   * .absoluteTop: Top-edge of view.
-   * .absoluteLeft: Left-edge of view.
-   */
-  if (this.horizontal_) {
-    this.resizeHorizontal_(hostMetrics);
-  } else {
-    this.resizeVertical_(hostMetrics);
-  }
-  // Resizing may have caused some scrolling.
-  this.onScroll_();
-};
-
-/**
- * Recalculate a horizontal scrollbar's location and length.
- * @param {!Blockly.utils.Metrics} hostMetrics A data structure describing all
- *     the required dimensions, possibly fetched from the host object.
- * @private
- */
-Blockly.Scrollbar.prototype.resizeHorizontal_ = function(hostMetrics) {
-  // TODO: Inspect metrics to determine if we can get away with just a content
-  // resize.
-  this.resizeViewHorizontal(hostMetrics);
-};
-
-/**
- * Recalculate a horizontal scrollbar's location on the screen and path length.
- * This should be called when the layout or size of the window has changed.
- * @param {!Blockly.utils.Metrics} hostMetrics A data structure describing all
- *     the required dimensions, possibly fetched from the host object.
- */
-Blockly.Scrollbar.prototype.resizeViewHorizontal = function(hostMetrics) {
-  var viewSize = hostMetrics.viewWidth - 1;
-  if (this.pair_) {
-    // Shorten the scrollbar to make room for the corner square.
-    viewSize -= Blockly.Scrollbar.scrollbarThickness;
-  }
-  this.setScrollViewSize_(Math.max(0, viewSize));
-
-  var xCoordinate = hostMetrics.absoluteLeft + 0.5;
-  if (this.pair_ && this.workspace_.RTL) {
-    xCoordinate += Blockly.Scrollbar.scrollbarThickness;
-  }
-
-  // Horizontal toolbar should always be just above the bottom of the workspace.
-  var yCoordinate = hostMetrics.absoluteTop + hostMetrics.viewHeight -
-      Blockly.Scrollbar.scrollbarThickness - 0.5;
-  this.setPosition(xCoordinate, yCoordinate);
-
-  // If the view has been resized, a content resize will also be necessary.  The
-  // reverse is not true.
-  this.resizeContentHorizontal(hostMetrics);
-};
-
-/**
- * Recalculate a horizontal scrollbar's location within its path and length.
- * This should be called when the contents of the workspace have changed.
- * @param {!Blockly.utils.Metrics} hostMetrics A data structure describing all
- *     the required dimensions, possibly fetched from the host object.
- */
-Blockly.Scrollbar.prototype.resizeContentHorizontal = function(hostMetrics) {
-  if (!this.pair_) {
-    // Only show the scrollbar if needed.
-    // Ideally this would also apply to scrollbar pairs, but that's a bigger
-    // headache (due to interactions with the corner square).
-    this.setVisible(this.scrollViewSize_ < hostMetrics.contentWidth);
-  }
-
-  this.ratio = this.scrollViewSize_ / hostMetrics.contentWidth;
-  if (this.ratio == -Infinity || this.ratio == Infinity ||
-      isNaN(this.ratio)) {
-    this.ratio = 0;
-  }
-
-  var handleLength = hostMetrics.viewWidth * this.ratio;
-  this.setHandleLength_(Math.max(0, handleLength));
-
-  var handlePosition = (hostMetrics.viewLeft - hostMetrics.contentLeft) *
-      this.ratio;
-  this.setHandlePosition(this.constrainHandle_(handlePosition));
-};
-
-/**
- * Recalculate a vertical scrollbar's location and length.
- * @param {!Blockly.utils.Metrics} hostMetrics A data structure describing all
- *     the required dimensions, possibly fetched from the host object.
- * @private
- */
-Blockly.Scrollbar.prototype.resizeVertical_ = function(hostMetrics) {
-  // TODO: Inspect metrics to determine if we can get away with just a content
-  // resize.
-  this.resizeViewVertical(hostMetrics);
-};
-
-/**
- * Recalculate a vertical scrollbar's location on the screen and path length.
- * This should be called when the layout or size of the window has changed.
- * @param {!Blockly.utils.Metrics} hostMetrics A data structure describing all
- *     the required dimensions, possibly fetched from the host object.
- */
-Blockly.Scrollbar.prototype.resizeViewVertical = function(hostMetrics) {
-  var viewSize = hostMetrics.viewHeight - 1;
-  if (this.pair_) {
-    // Shorten the scrollbar to make room for the corner square.
-    viewSize -= Blockly.Scrollbar.scrollbarThickness;
-  }
-  this.setScrollViewSize_(Math.max(0, viewSize));
-
-  var xCoordinate = hostMetrics.absoluteLeft + 0.5;
-  if (!this.workspace_.RTL) {
-    xCoordinate += hostMetrics.viewWidth -
-        Blockly.Scrollbar.scrollbarThickness - 1;
-  }
-  var yCoordinate = hostMetrics.absoluteTop + 0.5;
-  this.setPosition(xCoordinate, yCoordinate);
-
-  // If the view has been resized, a content resize will also be necessary.  The
-  // reverse is not true.
-  this.resizeContentVertical(hostMetrics);
-};
-
-/**
- * Recalculate a vertical scrollbar's location within its path and length.
- * This should be called when the contents of the workspace have changed.
- * @param {!Blockly.utils.Metrics} hostMetrics A data structure describing all
- *     the required dimensions, possibly fetched from the host object.
- */
-Blockly.Scrollbar.prototype.resizeContentVertical = function(hostMetrics) {
-  if (!this.pair_) {
-    // Only show the scrollbar if needed.
-    this.setVisible(this.scrollViewSize_ < hostMetrics.contentHeight);
-  }
-
-  this.ratio = this.scrollViewSize_ / hostMetrics.contentHeight;
-  if (this.ratio == -Infinity || this.ratio == Infinity ||
-      isNaN(this.ratio)) {
-    this.ratio = 0;
-  }
-
-  var handleLength = hostMetrics.viewHeight * this.ratio;
-  this.setHandleLength_(Math.max(0, handleLength));
-
-  var handlePosition = (hostMetrics.viewTop - hostMetrics.contentTop) *
-      this.ratio;
-  this.setHandlePosition(this.constrainHandle_(handlePosition));
-};
-
-/**
- * Create all the DOM elements required for a scrollbar.
- * The resulting widget is not sized.
- * @param {string=} opt_class A class to be applied to this scrollbar.
- * @private
- */
-Blockly.Scrollbar.prototype.createDom_ = function(opt_class) {
-  /* Create the following DOM:
-  <svg class="blocklyScrollbarHorizontal  optionalClass">
-    <g>
-      <rect class="blocklyScrollbarBackground" />
-      <rect class="blocklyScrollbarHandle" rx="8" ry="8" />
-    </g>
-  </svg>
-  */
-  var className = 'blocklyScrollbar' +
-      (this.horizontal_ ? 'Horizontal' : 'Vertical');
-  if (opt_class) {
-    className += ' ' + opt_class;
-  }
-  this.outerSvg_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.SVG, {'class': className}, null);
-  this.svgGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G, {}, this.outerSvg_);
-  this.svgBackground_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT, {
-        'class': 'blocklyScrollbarBackground'
-      }, this.svgGroup_);
-  var radius = Math.floor((Blockly.Scrollbar.scrollbarThickness - 5) / 2);
-  this.svgHandle_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'class': 'blocklyScrollbarHandle',
-        'rx': radius,
-        'ry': radius
-      },
-      this.svgGroup_);
-  this.workspace_.getThemeManager().subscribe(
-      this.svgHandle_, 'scrollbarColour', 'fill');
-  this.workspace_.getThemeManager().subscribe(
-      this.svgHandle_, 'scrollbarOpacity', 'fill-opacity');
-  Blockly.utils.dom.insertAfter(this.outerSvg_,
-      this.workspace_.getParentSvg());
-};
-
-/**
- * Is the scrollbar visible.  Non-paired scrollbars disappear when they aren't
- * needed.
- * @return {boolean} True if visible.
- */
-Blockly.Scrollbar.prototype.isVisible = function() {
-  return this.isVisible_;
-};
-
-/**
- * Set whether the scrollbar's container is visible and update
- * display accordingly if visibility has changed.
- * @param {boolean} visible Whether the container is visible
- */
-Blockly.Scrollbar.prototype.setContainerVisible = function(visible) {
-  var visibilityChanged = (visible != this.containerVisible_);
-
-  this.containerVisible_ = visible;
-  if (visibilityChanged) {
-    this.updateDisplay_();
-  }
-};
-
-/**
- * Set whether the scrollbar is visible.
- * Only applies to non-paired scrollbars.
- * @param {boolean} visible True if visible.
- */
-Blockly.Scrollbar.prototype.setVisible = function(visible) {
-  var visibilityChanged = (visible != this.isVisible());
-
-  // Ideally this would also apply to scrollbar pairs, but that's a bigger
-  // headache (due to interactions with the corner square).
-  if (this.pair_) {
-    throw Error('Unable to toggle visibility of paired scrollbars.');
-  }
-  this.isVisible_ = visible;
-  if (visibilityChanged) {
-    this.updateDisplay_();
-  }
-};
-
-/**
- * Update visibility of scrollbar based on whether it thinks it should
- * be visible and whether its containing workspace is visible.
- * We cannot rely on the containing workspace being hidden to hide us
- * because it is not necessarily our parent in the DOM.
- */
-Blockly.Scrollbar.prototype.updateDisplay_ = function() {
-  var show = true;
-  // Check whether our parent/container is visible.
-  if (!this.containerVisible_) {
-    show = false;
-  } else {
-    show = this.isVisible();
-  }
-  if (show) {
-    this.outerSvg_.setAttribute('display', 'block');
-  } else {
-    this.outerSvg_.setAttribute('display', 'none');
-  }
-};
-
-/**
- * Scroll by one pageful.
- * Called when scrollbar background is clicked.
- * @param {!Event} e Mouse down event.
- * @private
- */
-Blockly.Scrollbar.prototype.onMouseDownBar_ = function(e) {
-  this.workspace_.markFocused();
-  Blockly.Touch.clearTouchIdentifier();  // This is really a click.
-  this.cleanUp_();
-  if (Blockly.utils.isRightButton(e)) {
-    // Right-click.
-    // Scrollbars have no context menu.
-    e.stopPropagation();
-    return;
-  }
-  var mouseXY = Blockly.utils.mouseToSvg(e,
-      this.workspace_.getParentSvg(),
-      this.workspace_.getInverseScreenCTM());
-  var mouseLocation = this.horizontal_ ? mouseXY.x : mouseXY.y;
-
-  var handleXY = Blockly.utils.getInjectionDivXY_(this.svgHandle_);
-  var handleStart = this.horizontal_ ? handleXY.x : handleXY.y;
-  var handlePosition = this.handlePosition_;
-
-  var pageLength = this.handleLength_ * 0.95;
-  if (mouseLocation <= handleStart) {
-    // Decrease the scrollbar's value by a page.
-    handlePosition -= pageLength;
-  } else if (mouseLocation >= handleStart + this.handleLength_) {
-    // Increase the scrollbar's value by a page.
-    handlePosition += pageLength;
-  }
-
-  this.setHandlePosition(this.constrainHandle_(handlePosition));
-
-  this.onScroll_();
-  e.stopPropagation();
-  e.preventDefault();
-};
-
-/**
- * Start a dragging operation.
- * Called when scrollbar handle is clicked.
- * @param {!Event} e Mouse down event.
- * @private
- */
-Blockly.Scrollbar.prototype.onMouseDownHandle_ = function(e) {
-  this.workspace_.markFocused();
-  this.cleanUp_();
-  if (Blockly.utils.isRightButton(e)) {
-    // Right-click.
-    // Scrollbars have no context menu.
-    e.stopPropagation();
-    return;
-  }
-  // Look up the current translation and record it.
-  this.startDragHandle = this.handlePosition_;
-
-  // Tell the workspace to setup its drag surface since it is about to move.
-  // onMouseMoveHandle will call onScroll which actually tells the workspace
-  // to move.
-  this.workspace_.setupDragSurface();
-
-  // Record the current mouse position.
-  this.startDragMouse_ = this.horizontal_ ? e.clientX : e.clientY;
-  Blockly.Scrollbar.onMouseUpWrapper_ = Blockly.bindEventWithChecks_(document,
-      'mouseup', this, this.onMouseUpHandle_);
-  Blockly.Scrollbar.onMouseMoveWrapper_ = Blockly.bindEventWithChecks_(document,
-      'mousemove', this, this.onMouseMoveHandle_);
-  e.stopPropagation();
-  e.preventDefault();
-};
-
-/**
- * Drag the scrollbar's handle.
- * @param {!Event} e Mouse up event.
- * @private
- */
-Blockly.Scrollbar.prototype.onMouseMoveHandle_ = function(e) {
-  var currentMouse = this.horizontal_ ? e.clientX : e.clientY;
-  var mouseDelta = currentMouse - this.startDragMouse_;
-  var handlePosition = this.startDragHandle + mouseDelta;
-  // Position the bar.
-  this.setHandlePosition(this.constrainHandle_(handlePosition));
-  this.onScroll_();
-};
-
-/**
- * Release the scrollbar handle and reset state accordingly.
- * @private
- */
-Blockly.Scrollbar.prototype.onMouseUpHandle_ = function() {
-  // Tell the workspace to clean up now that the workspace is done moving.
-  this.workspace_.resetDragSurface();
-  Blockly.Touch.clearTouchIdentifier();
-  this.cleanUp_();
-};
-
-/**
- * Hide chaff and stop binding to mouseup and mousemove events.  Call this to
- * wrap up loose ends associated with the scrollbar.
- * @private
- */
-Blockly.Scrollbar.prototype.cleanUp_ = function() {
-  Blockly.hideChaff(true);
-  if (Blockly.Scrollbar.onMouseUpWrapper_) {
-    Blockly.unbindEvent_(Blockly.Scrollbar.onMouseUpWrapper_);
-    Blockly.Scrollbar.onMouseUpWrapper_ = null;
-  }
-  if (Blockly.Scrollbar.onMouseMoveWrapper_) {
-    Blockly.unbindEvent_(Blockly.Scrollbar.onMouseMoveWrapper_);
-    Blockly.Scrollbar.onMouseMoveWrapper_ = null;
-  }
-};
-
-/**
- * Constrain the handle's position within the minimum (0) and maximum
- * (length of scrollbar) values allowed for the scrollbar.
- * @param {number} value Value that is potentially out of bounds, in CSS pixels.
- * @return {number} Constrained value, in CSS pixels.
- * @private
- */
-Blockly.Scrollbar.prototype.constrainHandle_ = function(value) {
-  if (value <= 0 || isNaN(value) || this.scrollViewSize_ < this.handleLength_) {
-    value = 0;
-  } else {
-    value = Math.min(value, this.scrollViewSize_ - this.handleLength_);
-  }
-  return value;
-};
-
-/**
- * Called when scrollbar is moved.
- * @private
- */
-Blockly.Scrollbar.prototype.onScroll_ = function() {
-  var ratio = this.handlePosition_ / this.scrollViewSize_;
-  if (isNaN(ratio)) {
-    ratio = 0;
-  }
-  var xyRatio = {};
-  if (this.horizontal_) {
-    xyRatio.x = ratio;
-  } else {
-    xyRatio.y = ratio;
-  }
-  this.workspace_.setMetrics(xyRatio);
-};
-
-/**
- * Set the scrollbar handle's position.
- * @param {number} value The distance from the top/left end of the bar, in CSS
- *     pixels.  It may be larger than the maximum allowable position of the
- *     scrollbar handle.
- */
-Blockly.Scrollbar.prototype.set = function(value) {
-  this.setHandlePosition(this.constrainHandle_(value * this.ratio));
-  this.onScroll_();
-};
-
-/**
- * Record the origin of the workspace that the scrollbar is in, in pixels
- * relative to the injection div origin. This is for times when the scrollbar is
- * used in an object whose origin isn't the same as the main workspace
- * (e.g. in a flyout.)
- * @param {number} x The x coordinate of the scrollbar's origin, in CSS pixels.
- * @param {number} y The y coordinate of the scrollbar's origin, in CSS pixels.
- */
-Blockly.Scrollbar.prototype.setOrigin = function(x, y) {
-  this.origin_ = new Blockly.utils.Coordinate(x, y);
-};
diff --git a/core/scrollbar.ts b/core/scrollbar.ts
new file mode 100644
index 00000000000..35339390f59
--- /dev/null
+++ b/core/scrollbar.ts
@@ -0,0 +1,898 @@
+/**
+ * @license
+ * Copyright 2011 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Object representing a scrollbar.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Scrollbar
+
+import * as browserEvents from './browser_events.js';
+import * as Touch from './touch.js';
+import {Coordinate} from './utils/coordinate.js';
+import * as dom from './utils/dom.js';
+import type {Metrics} from './utils/metrics.js';
+import {Svg} from './utils/svg.js';
+import * as svgMath from './utils/svg_math.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * A note on units: most of the numbers that are in CSS pixels are scaled if the
+ * scrollbar is in a mutator.
+ */
+
+/**
+ * Class for a pure SVG scrollbar.
+ * This technique offers a scrollbar that is guaranteed to work, but may not
+ * look or behave like the system's scrollbars.
+ */
+export class Scrollbar {
+  /**
+   * Width of vertical scrollbar or height of horizontal scrollbar in CSS
+   * pixels. Scrollbars should be larger on touch devices.
+   */
+  static scrollbarThickness = Touch.TOUCH_ENABLED ? 25 : 15;
+
+  /**
+   * Default margin around the scrollbar (between the scrollbar and the edge of
+   * the viewport in pixels).
+   *
+   * @internal
+   */
+  static readonly DEFAULT_SCROLLBAR_MARGIN = 0.5;
+
+  /** Whether this scrollbar is part of a pair. */
+  private readonly pair: boolean;
+
+  /**
+   * Margin around the scrollbar (between the scrollbar and the edge of the
+   * viewport in pixels).
+   */
+  private readonly margin: number;
+
+  /** Previously recorded metrics from the workspace. */
+  private oldHostMetrics: Metrics | null = null;
+
+  /**
+   * The ratio of handle position offset to workspace content displacement.
+   *
+   * @internal
+   */
+  ratio = 1;
+
+  /**
+   * The location of the origin of the workspace that the scrollbar is in,
+   * measured in CSS pixels relative to the injection div origin.  This is
+   * usually (0, 0).  When the scrollbar is in a flyout it may have a
+   * different origin.
+   */
+  private origin = new Coordinate(0, 0);
+
+  /**
+   * The position of the mouse along this scrollbar's major axis at the start
+   * of the most recent drag. Units are CSS pixels, with (0, 0) at the top
+   * left of the browser window. For a horizontal scrollbar this is the x
+   * coordinate of the mouse down event; for a vertical scrollbar it's the y
+   * coordinate of the mouse down event.
+   */
+  private startDragMouse = 0;
+
+  /**
+   * The length of the scrollbars (including the handle and the background),
+   * in CSS pixels. This is equivalent to scrollbar background length and the
+   * area within which the scrollbar handle can move.
+   */
+  private scrollbarLength = 0;
+
+  /** The length of the scrollbar handle in CSS pixels. */
+  private handleLength = 0;
+
+  /**
+   * The offset of the start of the handle from the scrollbar position, in CSS
+   * pixels.
+   */
+  private handlePosition = 0;
+
+  private startDragHandle = 0;
+
+  /** Whether the scrollbar handle is visible. */
+  private isHandleVisible = true;
+
+  /** Whether the workspace containing this scrollbar is visible. */
+  private containerVisible = true;
+
+  /** The transparent background behind the handle. */
+  private svgBackground: SVGRectElement;
+
+  /** The visible handle that can be dragged around. */
+  private svgHandle: SVGRectElement;
+
+  /** The outermost SVG element, which contains all parts of the scrollbar. */
+  private outerSvg: SVGSVGElement;
+
+  /**
+   * The upper left corner of the scrollbar's SVG group in CSS pixels relative
+   * to the scrollbar's origin.  This is usually relative to the injection div
+   * origin.
+   *
+   * @internal
+   */
+  position = new Coordinate(0, 0);
+
+  /**
+   * The DOM attribute that controls the length of the scrollbar. Different
+   * for horizontal and vertical scrollbars.
+   */
+  lengthAttribute_: string;
+
+  /**
+   * The DOM attribute that controls the position of the scrollbar.
+   * Different for horizontal and vertical scrollbars.
+   */
+  positionAttribute_: string;
+
+  /** Handler for mouse down events on the background of the scrollbar. */
+  onMouseDownBarWrapper_: browserEvents.Data;
+
+  /** Handler for mouse down events on the handle of the scrollbar. */
+  onMouseDownHandleWrapper_: browserEvents.Data;
+
+  /** Handler for mouse move events during scrollbar drags. */
+  onMouseUpWrapper_: browserEvents.Data | null = null;
+
+  /** Handler for mouse up events to end scrollbar drags. */
+  onMouseMoveWrapper_: browserEvents.Data | null = null;
+
+  /**
+   * @param workspace Workspace to bind the scrollbar to.
+   * @param horizontal True if horizontal, false if vertical.
+   * @param opt_pair True if scrollbar is part of a horiz/vert pair.
+   * @param opt_class A class to be applied to this scrollbar.
+   * @param opt_margin The margin to apply to this scrollbar.
+   */
+  constructor(
+    private workspace: WorkspaceSvg,
+    private readonly horizontal: boolean,
+    opt_pair?: boolean,
+    opt_class?: string,
+    opt_margin?: number,
+  ) {
+    this.pair = opt_pair || false;
+
+    this.margin =
+      opt_margin !== undefined
+        ? opt_margin
+        : Scrollbar.DEFAULT_SCROLLBAR_MARGIN;
+
+    let className =
+      'blocklyScrollbar' + (this.horizontal ? 'Horizontal' : 'Vertical');
+    if (opt_class) {
+      className += ' ' + opt_class;
+    }
+
+    /* Create the following DOM:
+      <svg class="blocklyScrollbarHorizontal optionalClass">
+        <g>
+          <rect class="blocklyScrollbarBackground" />
+          <rect class="blocklyScrollbarHandle" rx="8" ry="8" />
+        </g>
+      </svg>
+    */
+    this.outerSvg = dom.createSvgElement(Svg.SVG, {'class': className});
+    // Child group to hold the handle and background together.
+    const group = dom.createSvgElement(Svg.G, {}, this.outerSvg);
+
+    this.svgBackground = dom.createSvgElement(
+      Svg.RECT,
+      {'class': 'blocklyScrollbarBackground'},
+      group,
+    );
+
+    const radius = Math.floor((Scrollbar.scrollbarThickness - 5) / 2);
+    this.svgHandle = dom.createSvgElement(
+      Svg.RECT,
+      {'class': 'blocklyScrollbarHandle', 'rx': radius, 'ry': radius},
+      group,
+    );
+
+    this.workspace
+      .getThemeManager()
+      .subscribe(this.svgHandle, 'scrollbarColour', 'fill');
+    this.workspace
+      .getThemeManager()
+      .subscribe(this.svgHandle, 'scrollbarOpacity', 'fill-opacity');
+
+    // Add everything to the DOM.
+    dom.insertAfter(this.outerSvg, this.workspace.getParentSvg());
+
+    this.setInitialThickness();
+
+    if (horizontal) {
+      this.lengthAttribute_ = 'width';
+      this.positionAttribute_ = 'x';
+    } else {
+      this.lengthAttribute_ = 'height';
+      this.positionAttribute_ = 'y';
+    }
+
+    this.onMouseDownBarWrapper_ = browserEvents.conditionalBind(
+      this.svgBackground,
+      'pointerdown',
+      this,
+      this.onMouseDownBar,
+    );
+    this.onMouseDownHandleWrapper_ = browserEvents.conditionalBind(
+      this.svgHandle,
+      'pointerdown',
+      this,
+      this.onMouseDownHandle,
+    );
+  }
+
+  /**
+   * Set the size of the scrollbar DOM elements along the minor axis.
+   */
+  private setInitialThickness() {
+    const scrollbarThickness = Scrollbar.scrollbarThickness;
+    if (this.horizontal) {
+      this.svgBackground.setAttribute('height', String(scrollbarThickness));
+      this.outerSvg.setAttribute('height', String(scrollbarThickness));
+      this.svgHandle.setAttribute('height', String(scrollbarThickness - 5));
+      this.svgHandle.setAttribute('y', '2.5');
+    } else {
+      this.svgBackground.setAttribute('width', String(scrollbarThickness));
+      this.outerSvg.setAttribute('width', String(scrollbarThickness));
+      this.svgHandle.setAttribute('width', String(scrollbarThickness - 5));
+      this.svgHandle.setAttribute('x', '2.5');
+    }
+  }
+
+  /**
+   * Dispose of this scrollbar. Remove DOM elements, event listeners,
+   * and theme subscriptions.
+   */
+  dispose() {
+    this.cleanUp();
+    browserEvents.unbind(this.onMouseDownBarWrapper_);
+    browserEvents.unbind(this.onMouseDownHandleWrapper_);
+
+    dom.removeNode(this.outerSvg);
+    this.workspace.getThemeManager().unsubscribe(this.svgHandle);
+  }
+
+  /**
+   * Constrain the handle's length within the minimum (0) and maximum
+   * (scrollbar background) values allowed for the scrollbar.
+   *
+   * @param value Value that is potentially out of bounds, in CSS pixels.
+   * @returns Constrained value, in CSS pixels.
+   */
+  private constrainHandleLength(value: number): number {
+    if (value <= 0 || isNaN(value)) {
+      value = 0;
+    } else {
+      value = Math.min(value, this.scrollbarLength);
+    }
+    return value;
+  }
+
+  /**
+   * Set the length of the scrollbar's handle and change the SVG attribute
+   * accordingly.
+   *
+   * @param newLength The new scrollbar handle length in CSS pixels.
+   */
+  private setHandleLength(newLength: number) {
+    this.handleLength = newLength;
+    this.svgHandle.setAttribute(
+      this.lengthAttribute_,
+      String(this.handleLength),
+    );
+  }
+
+  /**
+   * Constrain the handle's position within the minimum (0) and maximum values
+   * allowed for the scrollbar.
+   *
+   * @param value Value that is potentially out of bounds, in CSS pixels.
+   * @returns Constrained value, in CSS pixels.
+   */
+  private constrainHandlePosition(value: number): number {
+    if (value <= 0 || isNaN(value)) {
+      value = 0;
+    } else {
+      // Handle length should never be greater than this.scrollbarLength_.
+      // If the viewSize is greater than or equal to the scrollSize, the
+      // handleLength will end up equal to this.scrollbarLength_.
+      value = Math.min(value, this.scrollbarLength - this.handleLength);
+    }
+    return value;
+  }
+
+  /**
+   * Set the offset of the scrollbar's handle from the scrollbar's position, and
+   * change the SVG attribute accordingly.
+   *
+   * @param newPosition The new scrollbar handle offset in CSS pixels.
+   */
+  setHandlePosition(newPosition: number) {
+    this.handlePosition = newPosition;
+    this.svgHandle.setAttribute(
+      this.positionAttribute_,
+      String(this.handlePosition),
+    );
+  }
+
+  /**
+   * Set the size of the scrollbar's background and change the SVG attribute
+   * accordingly.
+   *
+   * @param newSize The new scrollbar background length in CSS pixels.
+   */
+  private setScrollbarLength(newSize: number) {
+    this.scrollbarLength = newSize;
+    this.outerSvg.setAttribute(
+      this.lengthAttribute_,
+      String(this.scrollbarLength),
+    );
+    this.svgBackground.setAttribute(
+      this.lengthAttribute_,
+      String(this.scrollbarLength),
+    );
+  }
+
+  /**
+   * Set the position of the scrollbar's SVG group in CSS pixels relative to the
+   * scrollbar's origin.  This sets the scrollbar's location within the
+   * workspace.
+   *
+   * @param x The new x coordinate.
+   * @param y The new y coordinate.
+   * @internal
+   */
+  setPosition(x: number, y: number) {
+    this.position.x = x;
+    this.position.y = y;
+
+    const tempX = this.position.x + this.origin.x;
+    const tempY = this.position.y + this.origin.y;
+    const transform = 'translate(' + tempX + 'px,' + tempY + 'px)';
+    dom.setCssTransform(this.outerSvg, transform);
+  }
+
+  /**
+   * Recalculate the scrollbar's location and its length.
+   *
+   * @param opt_metrics A data structure of from the describing all the required
+   *     dimensions.  If not provided, it will be fetched from the host object.
+   */
+  resize(opt_metrics?: Metrics) {
+    // Determine the location, height and width of the host element.
+    let hostMetrics = opt_metrics;
+    if (!hostMetrics) {
+      hostMetrics = this.workspace.getMetrics();
+      if (!hostMetrics) {
+        // Host element is likely not visible.
+        return;
+      }
+    }
+
+    if (
+      this.oldHostMetrics &&
+      Scrollbar.metricsAreEquivalent(hostMetrics, this.oldHostMetrics)
+    ) {
+      return;
+    }
+
+    if (this.horizontal) {
+      this.resizeHorizontal(hostMetrics);
+    } else {
+      this.resizeVertical(hostMetrics);
+    }
+
+    this.oldHostMetrics = hostMetrics;
+
+    // Resizing may have caused some scrolling.
+    this.updateMetrics();
+  }
+
+  /**
+   * Returns whether the a resizeView is necessary by comparing the passed
+   * hostMetrics with cached old host metrics.
+   *
+   * @param hostMetrics A data structure describing all the required dimensions,
+   *     possibly fetched from the host object.
+   * @returns Whether a resizeView is necessary.
+   */
+  private requiresViewResize(hostMetrics: Metrics): boolean {
+    if (!this.oldHostMetrics) {
+      return true;
+    }
+    return (
+      this.oldHostMetrics.viewWidth !== hostMetrics.viewWidth ||
+      this.oldHostMetrics.viewHeight !== hostMetrics.viewHeight ||
+      this.oldHostMetrics.absoluteLeft !== hostMetrics.absoluteLeft ||
+      this.oldHostMetrics.absoluteTop !== hostMetrics.absoluteTop
+    );
+  }
+
+  /**
+   * Recalculate a horizontal scrollbar's location and length.
+   *
+   * @param hostMetrics A data structure describing all the required dimensions,
+   *     possibly fetched from the host object.
+   */
+  private resizeHorizontal(hostMetrics: Metrics) {
+    if (this.requiresViewResize(hostMetrics)) {
+      this.resizeViewHorizontal(hostMetrics);
+    } else {
+      this.resizeContentHorizontal(hostMetrics);
+    }
+  }
+
+  /**
+   * Recalculate a horizontal scrollbar's location on the screen and path
+   * length. This should be called when the layout or size of the window has
+   * changed.
+   *
+   * @param hostMetrics A data structure describing all the required dimensions,
+   *     possibly fetched from the host object.
+   */
+  resizeViewHorizontal(hostMetrics: Metrics) {
+    let viewSize = hostMetrics.viewWidth - this.margin * 2;
+    if (this.pair) {
+      // Shorten the scrollbar to make room for the corner square.
+      viewSize -= Scrollbar.scrollbarThickness;
+    }
+    this.setScrollbarLength(Math.max(0, viewSize));
+
+    let xCoordinate = hostMetrics.absoluteLeft + this.margin;
+    if (this.pair && this.workspace.RTL) {
+      xCoordinate += Scrollbar.scrollbarThickness;
+    }
+
+    // Horizontal toolbar should always be just above the bottom of the
+    // workspace.
+    const yCoordinate =
+      hostMetrics.absoluteTop +
+      hostMetrics.viewHeight -
+      Scrollbar.scrollbarThickness -
+      this.margin;
+    this.setPosition(xCoordinate, yCoordinate);
+
+    // If the view has been resized, a content resize will also be necessary.
+    // The reverse is not true.
+    this.resizeContentHorizontal(hostMetrics);
+  }
+
+  /**
+   * Recalculate a horizontal scrollbar's location within its path and length.
+   * This should be called when the contents of the workspace have changed.
+   *
+   * @param hostMetrics A data structure describing all the required dimensions,
+   *     possibly fetched from the host object.
+   */
+  resizeContentHorizontal(hostMetrics: Metrics) {
+    if (hostMetrics.viewWidth >= hostMetrics.scrollWidth) {
+      // viewWidth is often greater than scrollWidth in flyouts and
+      // non-scrollable workspaces.
+      this.setHandleLength(this.scrollbarLength);
+      this.setHandlePosition(0);
+      if (!this.pair) {
+        // The scrollbar isn't needed.
+        // This doesn't apply to scrollbar pairs because interactions with the
+        // corner square aren't handled.
+        this.setVisible(false);
+      }
+      return;
+    } else if (!this.pair) {
+      // The scrollbar is needed. Only non-paired scrollbars are hidden/shown.
+      this.setVisible(true);
+    }
+
+    // Resize the handle.
+    let handleLength =
+      (this.scrollbarLength * hostMetrics.viewWidth) / hostMetrics.scrollWidth;
+    handleLength = this.constrainHandleLength(handleLength);
+    this.setHandleLength(handleLength);
+
+    // Compute the handle offset.
+    // The position of the handle can be between:
+    //     0 and this.scrollbarLength_ - handleLength
+    // If viewLeft === scrollLeft
+    //     then the offset should be 0
+    // If viewRight === scrollRight
+    //     then viewLeft = scrollLeft + scrollWidth - viewWidth
+    //     then the offset should be max offset
+
+    const maxScrollDistance = hostMetrics.scrollWidth - hostMetrics.viewWidth;
+    const contentDisplacement = hostMetrics.viewLeft - hostMetrics.scrollLeft;
+    // Percent of content to the left of our current position.
+    const offsetRatio = contentDisplacement / maxScrollDistance;
+    // Area available to scroll * percent to the left
+    const maxHandleOffset = this.scrollbarLength - this.handleLength;
+    let handleOffset = maxHandleOffset * offsetRatio;
+    handleOffset = this.constrainHandlePosition(handleOffset);
+    this.setHandlePosition(handleOffset);
+
+    // Compute ratio (for use with set calls, which pass in content
+    // displacement).
+    this.ratio = maxHandleOffset / maxScrollDistance;
+  }
+
+  /**
+   * Recalculate a vertical scrollbar's location and length.
+   *
+   * @param hostMetrics A data structure describing all the required dimensions,
+   *     possibly fetched from the host object.
+   */
+  private resizeVertical(hostMetrics: Metrics) {
+    if (this.requiresViewResize(hostMetrics)) {
+      this.resizeViewVertical(hostMetrics);
+    } else {
+      this.resizeContentVertical(hostMetrics);
+    }
+  }
+
+  /**
+   * Recalculate a vertical scrollbar's location on the screen and path length.
+   * This should be called when the layout or size of the window has changed.
+   *
+   * @param hostMetrics A data structure describing all the required dimensions,
+   *     possibly fetched from the host object.
+   */
+  resizeViewVertical(hostMetrics: Metrics) {
+    let viewSize = hostMetrics.viewHeight - this.margin * 2;
+    if (this.pair) {
+      // Shorten the scrollbar to make room for the corner square.
+      viewSize -= Scrollbar.scrollbarThickness;
+    }
+    this.setScrollbarLength(Math.max(0, viewSize));
+
+    const xCoordinate = this.workspace.RTL
+      ? hostMetrics.absoluteLeft + this.margin
+      : hostMetrics.absoluteLeft +
+        hostMetrics.viewWidth -
+        Scrollbar.scrollbarThickness -
+        this.margin;
+
+    const yCoordinate = hostMetrics.absoluteTop + this.margin;
+    this.setPosition(xCoordinate, yCoordinate);
+
+    // If the view has been resized, a content resize will also be necessary.
+    // The reverse is not true.
+    this.resizeContentVertical(hostMetrics);
+  }
+
+  /**
+   * Recalculate a vertical scrollbar's location within its path and length.
+   * This should be called when the contents of the workspace have changed.
+   *
+   * @param hostMetrics A data structure describing all the required dimensions,
+   *     possibly fetched from the host object.
+   */
+  resizeContentVertical(hostMetrics: Metrics) {
+    if (hostMetrics.viewHeight >= hostMetrics.scrollHeight) {
+      // viewHeight is often greater than scrollHeight in flyouts and
+      // non-scrollable workspaces.
+      this.setHandleLength(this.scrollbarLength);
+      this.setHandlePosition(0);
+      if (!this.pair) {
+        // The scrollbar isn't needed.
+        // This doesn't apply to scrollbar pairs because interactions with the
+        // corner square aren't handled.
+        this.setVisible(false);
+      }
+      return;
+    } else if (!this.pair) {
+      // The scrollbar is needed. Only non-paired scrollbars are hidden/shown.
+      this.setVisible(true);
+    }
+
+    // Resize the handle.
+    let handleLength =
+      (this.scrollbarLength * hostMetrics.viewHeight) /
+      hostMetrics.scrollHeight;
+    handleLength = this.constrainHandleLength(handleLength);
+    this.setHandleLength(handleLength);
+
+    // Compute the handle offset.
+    // The position of the handle can be between:
+    //     0 and this.scrollbarLength_ - handleLength
+    // If viewTop === scrollTop
+    //     then the offset should be 0
+    // If viewBottom === scrollBottom
+    //     then viewTop = scrollTop + scrollHeight - viewHeight
+    //     then the offset should be max offset
+
+    const maxScrollDistance = hostMetrics.scrollHeight - hostMetrics.viewHeight;
+    const contentDisplacement = hostMetrics.viewTop - hostMetrics.scrollTop;
+    // Percent of content to the left of our current position.
+    const offsetRatio = contentDisplacement / maxScrollDistance;
+    // Area available to scroll * percent to the left
+    const maxHandleOffset = this.scrollbarLength - this.handleLength;
+    let handleOffset = maxHandleOffset * offsetRatio;
+    handleOffset = this.constrainHandlePosition(handleOffset);
+    this.setHandlePosition(handleOffset);
+
+    // Compute ratio (for use with set calls, which pass in content
+    // displacement).
+    this.ratio = maxHandleOffset / maxScrollDistance;
+  }
+
+  /**
+   * Is the scrollbar visible.  Non-paired scrollbars disappear when they aren't
+   * needed.
+   *
+   * @returns True if visible.
+   */
+  isVisible(): boolean {
+    return this.isHandleVisible;
+  }
+
+  /**
+   * Set whether the scrollbar's container is visible and update
+   * display accordingly if visibility has changed.
+   *
+   * @param visible Whether the container is visible
+   */
+  setContainerVisible(visible: boolean) {
+    const visibilityChanged = visible !== this.containerVisible;
+
+    this.containerVisible = visible;
+    if (visibilityChanged) {
+      this.updateDisplay_();
+    }
+  }
+
+  /**
+   * Set whether the scrollbar is visible.
+   * Only applies to non-paired scrollbars.
+   *
+   * @param visible True if visible.
+   */
+  setVisible(visible: boolean) {
+    // Ideally this would also apply to scrollbar pairs, but that's a bigger
+    // headache (due to interactions with the corner square), and the fact
+    // that telling the pair to resize itself would cause circular dependencies.
+    if (this.pair) {
+      throw Error('Unable to toggle visibility of paired scrollbars.');
+    }
+    this.setVisibleInternal(visible);
+  }
+
+  /**
+   * Set whether the scrollbar is visible. Bypasses checking whether this
+   * scrollbar is part of a pair so that it can be toggled by the scrollbar
+   * pair.
+   *
+   * @param visible True if visible.
+   * @internal
+   */
+  setVisibleInternal(visible: boolean) {
+    const visibilityChanged = visible !== this.isVisible();
+    this.isHandleVisible = visible;
+    if (visibilityChanged) {
+      this.updateDisplay_();
+    }
+  }
+
+  /**
+   * Update visibility of scrollbar based on whether it thinks it should
+   * be visible and whether its containing workspace is visible.
+   * We cannot rely on the containing workspace being hidden to hide us
+   * because it is not necessarily our parent in the DOM.
+   */
+  updateDisplay_() {
+    let show = true;
+    // Check whether our parent/container is visible.
+    if (!this.containerVisible) {
+      show = false;
+    } else {
+      show = this.isVisible();
+    }
+    if (show) {
+      this.outerSvg.setAttribute('display', 'block');
+    } else {
+      this.outerSvg.setAttribute('display', 'none');
+    }
+  }
+
+  /**
+   * Scroll by one pageful.
+   * Called when scrollbar background is clicked.
+   *
+   * @param e Mouse down event.
+   */
+  private onMouseDownBar(e: MouseEvent) {
+    this.workspace.markFocused();
+    Touch.clearTouchIdentifier(); // This is really a click.
+    this.cleanUp();
+    if (browserEvents.isRightButton(e)) {
+      // Right-click.
+      // Scrollbars have no context menu.
+      e.stopPropagation();
+      return;
+    }
+    const mouseXY = browserEvents.mouseToSvg(
+      e,
+      this.workspace.getParentSvg(),
+      this.workspace.getInverseScreenCTM(),
+    );
+    const mouseLocation = this.horizontal ? mouseXY.x : mouseXY.y;
+
+    const handleXY = svgMath.getInjectionDivXY(this.svgHandle);
+    const handleStart = this.horizontal ? handleXY.x : handleXY.y;
+    let handlePosition = this.handlePosition;
+
+    const pageLength = this.handleLength * 0.95;
+    if (mouseLocation <= handleStart) {
+      // Decrease the scrollbar's value by a page.
+      handlePosition -= pageLength;
+    } else if (mouseLocation >= handleStart + this.handleLength) {
+      // Increase the scrollbar's value by a page.
+      handlePosition += pageLength;
+    }
+
+    this.setHandlePosition(this.constrainHandlePosition(handlePosition));
+
+    this.updateMetrics();
+    e.stopPropagation();
+    e.preventDefault();
+  }
+
+  /**
+   * Start a dragging operation.
+   * Called when scrollbar handle is clicked.
+   *
+   * @param e Mouse down event.
+   */
+  private onMouseDownHandle(e: PointerEvent) {
+    this.workspace.markFocused();
+    this.cleanUp();
+    if (browserEvents.isRightButton(e)) {
+      // Right-click.
+      // Scrollbars have no context menu.
+      e.stopPropagation();
+      return;
+    }
+    // Look up the current translation and record it.
+    this.startDragHandle = this.handlePosition;
+
+    // Record the current mouse position.
+    this.startDragMouse = this.horizontal ? e.clientX : e.clientY;
+    this.onMouseUpWrapper_ = browserEvents.conditionalBind(
+      document,
+      'pointerup',
+      this,
+      this.onMouseUpHandle,
+    );
+    this.onMouseMoveWrapper_ = browserEvents.conditionalBind(
+      document,
+      'pointermove',
+      this,
+      this.onMouseMoveHandle,
+    );
+    e.stopPropagation();
+    e.preventDefault();
+  }
+
+  /**
+   * Drag the scrollbar's handle.
+   *
+   * @param e Mouse move event.
+   */
+  private onMouseMoveHandle(e: PointerEvent) {
+    const currentMouse = this.horizontal ? e.clientX : e.clientY;
+    const mouseDelta = currentMouse - this.startDragMouse;
+    const handlePosition = this.startDragHandle + mouseDelta;
+    // Position the bar.
+    this.setHandlePosition(this.constrainHandlePosition(handlePosition));
+    this.updateMetrics();
+  }
+
+  /** Release the scrollbar handle and reset state accordingly. */
+  private onMouseUpHandle() {
+    Touch.clearTouchIdentifier();
+    this.cleanUp();
+  }
+
+  /**
+   * Hide chaff and stop binding to mouseup and mousemove events.  Call this to
+   * wrap up loose ends associated with the scrollbar.
+   */
+  private cleanUp() {
+    this.workspace.hideChaff(true);
+    if (this.onMouseUpWrapper_) {
+      browserEvents.unbind(this.onMouseUpWrapper_);
+      this.onMouseUpWrapper_ = null;
+    }
+    if (this.onMouseMoveWrapper_) {
+      browserEvents.unbind(this.onMouseMoveWrapper_);
+      this.onMouseMoveWrapper_ = null;
+    }
+  }
+
+  /**
+   * Helper to calculate the ratio of handle position to scrollbar view size.
+   *
+   * @returns Ratio.
+   * @internal
+   */
+  getRatio_(): number {
+    const scrollHandleRange = this.scrollbarLength - this.handleLength;
+    let ratio = this.handlePosition / scrollHandleRange;
+    if (isNaN(ratio)) {
+      ratio = 0;
+    }
+    return ratio;
+  }
+
+  /**
+   * Updates workspace metrics based on new scroll ratio. Called when scrollbar
+   * is moved.
+   */
+  private updateMetrics() {
+    const ratio = this.getRatio_();
+    if (this.horizontal) {
+      this.workspace.setMetrics({x: ratio});
+    } else {
+      this.workspace.setMetrics({y: ratio});
+    }
+  }
+
+  /**
+   * Set the scrollbar handle's position.
+   *
+   * @param value The content displacement, relative to the view in pixels.
+   * @param updateMetrics Whether to update metrics on this set call.
+   *    Defaults to true.
+   */
+  set(value: number, updateMetrics?: boolean) {
+    this.setHandlePosition(this.constrainHandlePosition(value * this.ratio));
+    if (updateMetrics || updateMetrics === undefined) {
+      this.updateMetrics();
+    }
+  }
+
+  /**
+   * Record the origin of the workspace that the scrollbar is in, in pixels
+   * relative to the injection div origin. This is for times when the scrollbar
+   * is used in an object whose origin isn't the same as the main workspace
+   * (e.g. in a flyout.)
+   *
+   * @param x The x coordinate of the scrollbar's origin, in CSS pixels.
+   * @param y The y coordinate of the scrollbar's origin, in CSS pixels.
+   */
+  setOrigin(x: number, y: number) {
+    this.origin = new Coordinate(x, y);
+  }
+
+  /**
+   * @param first An object containing computed measurements of a workspace.
+   * @param second Another object containing computed measurements of a
+   *     workspace.
+   * @returns Whether the two sets of metrics are equivalent.
+   */
+  private static metricsAreEquivalent(
+    first: Metrics,
+    second: Metrics,
+  ): boolean {
+    return (
+      first.viewWidth === second.viewWidth &&
+      first.viewHeight === second.viewHeight &&
+      first.viewLeft === second.viewLeft &&
+      first.viewTop === second.viewTop &&
+      first.absoluteTop === second.absoluteTop &&
+      first.absoluteLeft === second.absoluteLeft &&
+      first.scrollWidth === second.scrollWidth &&
+      first.scrollHeight === second.scrollHeight &&
+      first.scrollLeft === second.scrollLeft &&
+      first.scrollTop === second.scrollTop
+    );
+  }
+}
diff --git a/core/scrollbar_pair.ts b/core/scrollbar_pair.ts
new file mode 100644
index 00000000000..231fe56f871
--- /dev/null
+++ b/core/scrollbar_pair.ts
@@ -0,0 +1,349 @@
+/**
+ * @license
+ * Copyright 2011 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Object representing a pair of scrollbars.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.ScrollbarPair
+
+import * as eventUtils from './events/utils.js';
+import {Scrollbar} from './scrollbar.js';
+import * as dom from './utils/dom.js';
+import type {Metrics} from './utils/metrics.js';
+import {Svg} from './utils/svg.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * Class for a pair of scrollbars.  Horizontal and vertical.
+ */
+export class ScrollbarPair {
+  hScroll: Scrollbar | null = null;
+  vScroll: Scrollbar | null = null;
+  corner_: SVGRectElement | null = null;
+
+  /** Previously recorded metrics from the workspace. */
+  private oldHostMetrics_: Metrics | null = null;
+
+  /**
+   * @param workspace Workspace to bind the scrollbars to.
+   * @param addHorizontal Whether to add a horizontal scrollbar.
+   *    Defaults to true.
+   * @param addVertical Whether to add a vertical scrollbar. Defaults to true.
+   * @param opt_class A class to be applied to these scrollbars.
+   * @param opt_margin The margin to apply to these scrollbars.
+   */
+  constructor(
+    private workspace: WorkspaceSvg,
+    addHorizontal?: boolean,
+    addVertical?: boolean,
+    opt_class?: string,
+    opt_margin?: number,
+  ) {
+    addHorizontal = addHorizontal === undefined ? true : addHorizontal;
+    addVertical = addVertical === undefined ? true : addVertical;
+    const isPair = addHorizontal && addVertical;
+
+    if (addHorizontal) {
+      this.hScroll = new Scrollbar(
+        workspace,
+        true,
+        isPair,
+        opt_class,
+        opt_margin,
+      );
+    }
+    if (addVertical) {
+      this.vScroll = new Scrollbar(
+        workspace,
+        false,
+        isPair,
+        opt_class,
+        opt_margin,
+      );
+    }
+
+    if (isPair) {
+      this.corner_ = dom.createSvgElement(Svg.RECT, {
+        'height': Scrollbar.scrollbarThickness,
+        'width': Scrollbar.scrollbarThickness,
+        'class': 'blocklyScrollbarBackground',
+      });
+      dom.insertAfter(this.corner_, workspace.getBubbleCanvas());
+    }
+  }
+
+  /**
+   * Dispose of this pair of scrollbars.
+   * Unlink from all DOM elements to prevent memory leaks.
+   */
+  dispose() {
+    dom.removeNode(this.corner_);
+    this.corner_ = null;
+    this.oldHostMetrics_ = null;
+    if (this.hScroll) {
+      this.hScroll.dispose();
+      this.hScroll = null;
+    }
+    if (this.vScroll) {
+      this.vScroll.dispose();
+      this.vScroll = null;
+    }
+  }
+
+  /**
+   * Recalculate both of the scrollbars' locations and lengths.
+   * Also reposition the corner rectangle.
+   */
+  resize() {
+    // Look up the host metrics once, and use for both scrollbars.
+    const hostMetrics = this.workspace.getMetrics();
+    if (!hostMetrics) {
+      // Host element is likely not visible.
+      return;
+    }
+
+    // Only change the scrollbars if there has been a change in metrics.
+    let resizeH = false;
+    let resizeV = false;
+    if (
+      !this.oldHostMetrics_ ||
+      this.oldHostMetrics_.viewWidth !== hostMetrics.viewWidth ||
+      this.oldHostMetrics_.viewHeight !== hostMetrics.viewHeight ||
+      this.oldHostMetrics_.absoluteTop !== hostMetrics.absoluteTop ||
+      this.oldHostMetrics_.absoluteLeft !== hostMetrics.absoluteLeft
+    ) {
+      // The window has been resized or repositioned.
+      resizeH = true;
+      resizeV = true;
+    } else {
+      // Has the content been resized or moved?
+      if (
+        !this.oldHostMetrics_ ||
+        this.oldHostMetrics_.scrollWidth !== hostMetrics.scrollWidth ||
+        this.oldHostMetrics_.viewLeft !== hostMetrics.viewLeft ||
+        this.oldHostMetrics_.scrollLeft !== hostMetrics.scrollLeft
+      ) {
+        resizeH = true;
+      }
+      if (
+        !this.oldHostMetrics_ ||
+        this.oldHostMetrics_.scrollHeight !== hostMetrics.scrollHeight ||
+        this.oldHostMetrics_.viewTop !== hostMetrics.viewTop ||
+        this.oldHostMetrics_.scrollTop !== hostMetrics.scrollTop
+      ) {
+        resizeV = true;
+      }
+    }
+
+    if (resizeH || resizeV) {
+      try {
+        eventUtils.disable();
+        if (this.hScroll && resizeH) {
+          this.hScroll.resize(hostMetrics);
+        }
+        if (this.vScroll && resizeV) {
+          this.vScroll.resize(hostMetrics);
+        }
+      } finally {
+        eventUtils.enable();
+      }
+      this.workspace.maybeFireViewportChangeEvent();
+    }
+
+    if (this.hScroll && this.vScroll) {
+      // Reposition the corner square.
+      if (
+        !this.oldHostMetrics_ ||
+        this.oldHostMetrics_.viewWidth !== hostMetrics.viewWidth ||
+        this.oldHostMetrics_.absoluteLeft !== hostMetrics.absoluteLeft
+      ) {
+        this.corner_?.setAttribute('x', String(this.vScroll.position.x));
+      }
+      if (
+        !this.oldHostMetrics_ ||
+        this.oldHostMetrics_.viewHeight !== hostMetrics.viewHeight ||
+        this.oldHostMetrics_.absoluteTop !== hostMetrics.absoluteTop
+      ) {
+        this.corner_?.setAttribute('y', String(this.hScroll.position.y));
+      }
+    }
+
+    // Cache the current metrics to potentially short-cut the next resize event.
+    this.oldHostMetrics_ = hostMetrics;
+  }
+
+  /**
+   * Returns whether scrolling horizontally is enabled.
+   *
+   * @returns True if horizontal scroll is enabled.
+   */
+  canScrollHorizontally(): boolean {
+    return !!this.hScroll;
+  }
+
+  /**
+   * Returns whether scrolling vertically is enabled.
+   *
+   * @returns True if vertical scroll is enabled.
+   */
+  canScrollVertically(): boolean {
+    return !!this.vScroll;
+  }
+
+  /**
+   * Record the origin of the workspace that the scrollbar is in, in pixels
+   * relative to the injection div origin. This is for times when the scrollbar
+   * is used in an object whose origin isn't the same as the main workspace
+   * (e.g. in a flyout.)
+   *
+   * @param x The x coordinate of the scrollbar's origin, in CSS pixels.
+   * @param y The y coordinate of the scrollbar's origin, in CSS pixels.
+   * @internal
+   */
+  setOrigin(x: number, y: number) {
+    if (this.hScroll) {
+      this.hScroll.setOrigin(x, y);
+    }
+    if (this.vScroll) {
+      this.vScroll.setOrigin(x, y);
+    }
+  }
+
+  /**
+   * Set the handles of both scrollbars.
+   *
+   * @param x The horizontal content displacement, relative to the view in
+   *     pixels.
+   * @param y The vertical content displacement, relative to the view in pixels.
+   * @param updateMetrics Whether to update metrics on this set call.
+   *    Defaults to true.
+   */
+  set(x: number, y: number, updateMetrics: boolean) {
+    // This function is equivalent to:
+    //   this.hScroll.set(x);
+    //   this.vScroll.set(y);
+    // However, that calls setMetrics twice which causes a chain of
+    // getAttribute->setAttribute->getAttribute resulting in an extra layout
+    // pass. Combining them speeds up rendering.
+    if (this.hScroll) {
+      this.hScroll.set(x, false);
+    }
+    if (this.vScroll) {
+      this.vScroll.set(y, false);
+    }
+
+    if (updateMetrics || updateMetrics === undefined) {
+      // Update metrics.
+      const xyRatio: {x?: number; y?: number} = {};
+      if (this.hScroll) {
+        xyRatio.x = this.hScroll.getRatio_();
+      }
+      if (this.vScroll) {
+        xyRatio.y = this.vScroll.getRatio_();
+      }
+      this.workspace.setMetrics(xyRatio);
+    }
+  }
+
+  /**
+   * Set the handle of the horizontal scrollbar to be at a certain position in
+   *    CSS pixels relative to its parents.
+   *
+   * @param x Horizontal scroll value.
+   */
+  setX(x: number) {
+    if (this.hScroll) {
+      this.hScroll.set(x, true);
+    }
+  }
+
+  /**
+   * Set the handle of the vertical scrollbar to be at a certain position in
+   *    CSS pixels relative to its parents.
+   *
+   * @param y Vertical scroll value.
+   */
+  setY(y: number) {
+    if (this.vScroll) {
+      this.vScroll.set(y, true);
+    }
+  }
+
+  /**
+   * Set whether this scrollbar's container is visible.
+   *
+   * @param visible Whether the container is visible.
+   */
+  setContainerVisible(visible: boolean) {
+    if (this.hScroll) {
+      this.hScroll.setContainerVisible(visible);
+    }
+    if (this.vScroll) {
+      this.vScroll.setContainerVisible(visible);
+    }
+  }
+
+  /**
+   * If any of the scrollbars are visible. Non-paired scrollbars may disappear
+   * when they aren't needed.
+   *
+   * @returns True if visible.
+   */
+  isVisible(): boolean {
+    let isVisible = false;
+    if (this.hScroll) {
+      isVisible = this.hScroll.isVisible();
+    }
+    if (this.vScroll) {
+      isVisible = isVisible || this.vScroll.isVisible();
+    }
+    return isVisible;
+  }
+
+  /**
+   * Sets the visibility of any existing scrollbars.
+   *
+   * @param visible True if visible.
+   */
+  setVisible(visible: boolean) {
+    if (this.hScroll) this.hScroll.setVisibleInternal(visible);
+    if (this.vScroll) this.vScroll.setVisibleInternal(visible);
+  }
+
+  /**
+   * Recalculates the scrollbars' locations within their path and length.
+   * This should be called when the contents of the workspace have changed.
+   *
+   * @param hostMetrics A data structure describing all the required dimensions,
+   *     possibly fetched from the host object.
+   */
+  resizeContent(hostMetrics: Metrics) {
+    if (this.hScroll) {
+      this.hScroll.resizeContentHorizontal(hostMetrics);
+    }
+    if (this.vScroll) {
+      this.vScroll.resizeContentVertical(hostMetrics);
+    }
+  }
+
+  /**
+   * Recalculates the scrollbars' locations on the screen and path length.
+   * This should be called when the layout or size of the window has changed.
+   *
+   * @param hostMetrics A data structure describing all the required dimensions,
+   *     possibly fetched from the host object.
+   */
+  resizeView(hostMetrics: Metrics) {
+    if (this.hScroll) {
+      this.hScroll.resizeViewHorizontal(hostMetrics);
+    }
+    if (this.vScroll) {
+      this.vScroll.resizeViewVertical(hostMetrics);
+    }
+  }
+}
diff --git a/core/serialization.ts b/core/serialization.ts
new file mode 100644
index 00000000000..8e159bb2b0b
--- /dev/null
+++ b/core/serialization.ts
@@ -0,0 +1,32 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Serialization methods.
+ */
+// Former goog.module ID: Blockly.serialization
+
+import * as blocks from './serialization/blocks.js';
+import * as exceptions from './serialization/exceptions.js';
+import * as priorities from './serialization/priorities.js';
+import * as procedures from './serialization/procedures.js';
+import * as registry from './serialization/registry.js';
+import * as variables from './serialization/variables.js';
+import * as workspaces from './serialization/workspaces.js';
+import * as workspaceComments from './serialization/workspace_comments.js';
+import {ISerializer} from './interfaces/i_serializer.js';
+
+export {
+  blocks,
+  exceptions,
+  priorities,
+  procedures,
+  registry,
+  variables,
+  workspaces,
+  workspaceComments,
+  ISerializer,
+};
diff --git a/core/serialization/blocks.ts b/core/serialization/blocks.ts
new file mode 100644
index 00000000000..dbb58cffb2a
--- /dev/null
+++ b/core/serialization/blocks.ts
@@ -0,0 +1,865 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.serialization.blocks
+
+import type {Block} from '../block.js';
+import type {BlockSvg} from '../block_svg.js';
+import type {Connection} from '../connection.js';
+import {MANUALLY_DISABLED} from '../constants.js';
+import * as eventUtils from '../events/utils.js';
+import {inputTypes} from '../inputs/input_types.js';
+import {isSerializable} from '../interfaces/i_serializable.js';
+import type {ISerializer} from '../interfaces/i_serializer.js';
+import * as registry from '../registry.js';
+import * as utilsXml from '../utils/xml.js';
+import type {Workspace} from '../workspace.js';
+import * as Xml from '../xml.js';
+import * as renderManagement from '../render_management.js';
+
+import {
+  BadConnectionCheck,
+  MissingBlockType,
+  MissingConnection,
+  RealChildOfShadow,
+  UnregisteredIcon,
+} from './exceptions.js';
+import * as priorities from './priorities.js';
+import * as serializationRegistry from './registry.js';
+import * as Variables from '../variables.js';
+import {VariableModel} from '../variable_model.js';
+
+// TODO(#5160): Remove this once lint is fixed.
+/* eslint-disable no-use-before-define */
+
+/**
+ * Represents the state of a connection.
+ */
+export interface ConnectionState {
+  shadow?: State;
+  block?: State;
+}
+
+/**
+ * Represents the state of a given block.
+ */
+export interface State {
+  type: string;
+  id?: string;
+  x?: number;
+  y?: number;
+  collapsed?: boolean;
+  deletable?: boolean;
+  movable?: boolean;
+  editable?: boolean;
+  enabled?: boolean;
+  disabledReasons?: string[];
+  inline?: boolean;
+  data?: string;
+  extraState?: AnyDuringMigration;
+  icons?: {[key: string]: AnyDuringMigration};
+  fields?: {[key: string]: AnyDuringMigration};
+  inputs?: {[key: string]: ConnectionState};
+  next?: ConnectionState;
+}
+
+/**
+ * Returns the state of the given block as a plain JavaScript object.
+ *
+ * @param block The block to serialize.
+ * @param param1 addCoordinates: If true, the coordinates of the block are added
+ *     to the serialized state. False by default. addinputBlocks: If true,
+ *     children of the block which are connected to inputs will be serialized.
+ *     True by default. addNextBlocks: If true, children of the block which are
+ *     connected to the block's next connection (if it exists) will be
+ *     serialized. True by default. doFullSerialization: If true, fields that
+ *     normally just save a reference to some external state (eg variables) will
+ *     instead serialize all of the info about that state. This supports
+ *     deserializing the block into a workspace where that state doesn't yet
+ *     exist. True by default.
+ * @returns The serialized state of the block, or null if the block could not be
+ *     serialied (eg it was an insertion marker).
+ */
+export function save(
+  block: Block,
+  {
+    addCoordinates = false,
+    addInputBlocks = true,
+    addNextBlocks = true,
+    doFullSerialization = true,
+    saveIds = true,
+  }: {
+    addCoordinates?: boolean;
+    addInputBlocks?: boolean;
+    addNextBlocks?: boolean;
+    doFullSerialization?: boolean;
+    saveIds?: boolean;
+  } = {},
+): State | null {
+  if (block.isInsertionMarker()) {
+    return null;
+  }
+  const state = {
+    'type': block.type,
+    'id': saveIds ? block.id : undefined,
+  };
+
+  if (addCoordinates) {
+    // AnyDuringMigration because:  Argument of type '{ type: string; id:
+    // string; }' is not assignable to parameter of type 'State'.
+    saveCoords(block, state as AnyDuringMigration);
+  }
+  // AnyDuringMigration because:  Argument of type '{ type: string; id: string;
+  // }' is not assignable to parameter of type 'State'.
+  saveAttributes(block, state as AnyDuringMigration);
+  // AnyDuringMigration because:  Argument of type '{ type: string; id: string;
+  // }' is not assignable to parameter of type 'State'.
+  saveExtraState(block, state as AnyDuringMigration, doFullSerialization);
+  // AnyDuringMigration because:  Argument of type '{ type: string; id: string;
+  // }' is not assignable to parameter of type 'State'.
+  saveIcons(block, state as AnyDuringMigration, doFullSerialization);
+  // AnyDuringMigration because:  Argument of type '{ type: string; id: string;
+  // }' is not assignable to parameter of type 'State'.
+  saveFields(block, state as AnyDuringMigration, doFullSerialization);
+  if (addInputBlocks) {
+    // AnyDuringMigration because:  Argument of type '{ type: string; id:
+    // string; }' is not assignable to parameter of type 'State'.
+    saveInputBlocks(
+      block,
+      state as AnyDuringMigration,
+      doFullSerialization,
+      saveIds,
+    );
+  }
+  if (addNextBlocks) {
+    // AnyDuringMigration because:  Argument of type '{ type: string; id:
+    // string; }' is not assignable to parameter of type 'State'.
+    saveNextBlocks(
+      block,
+      state as AnyDuringMigration,
+      doFullSerialization,
+      saveIds,
+    );
+  }
+
+  // AnyDuringMigration because:  Type '{ type: string; id: string; }' is not
+  // assignable to type 'State'.
+  return state as AnyDuringMigration;
+}
+
+/**
+ * Adds attributes to the given state object based on the state of the block.
+ * Eg collapsed, disabled, inline, etc.
+ *
+ * @param block The block to base the attributes on.
+ * @param state The state object to append to.
+ */
+function saveAttributes(block: Block, state: State) {
+  if (block.isCollapsed()) {
+    state['collapsed'] = true;
+  }
+  if (!block.isEnabled()) {
+    state['disabledReasons'] = Array.from(block.getDisabledReasons());
+  }
+  if (!block.isOwnDeletable()) {
+    state['deletable'] = false;
+  }
+  if (!block.isOwnMovable()) {
+    state['movable'] = false;
+  }
+  if (!block.isOwnEditable()) {
+    state['editable'] = false;
+  }
+  if (
+    block.inputsInline !== undefined &&
+    block.inputsInline !== block.inputsInlineDefault
+  ) {
+    state['inline'] = block.inputsInline;
+  }
+  // Data is a nullable string, so we don't need to worry about falsy values.
+  if (block.data) {
+    state['data'] = block.data;
+  }
+}
+
+/**
+ * Adds the coordinates of the given block to the given state object.
+ *
+ * @param block The block to base the coordinates on.
+ * @param state The state object to append to.
+ */
+function saveCoords(block: Block, state: State) {
+  const workspace = block.workspace;
+  const xy = block.getRelativeToSurfaceXY();
+  state['x'] = Math.round(workspace.RTL ? workspace.getWidth() - xy.x : xy.x);
+  state['y'] = Math.round(xy.y);
+}
+
+/**
+ * Adds any extra state the block may provide to the given state object.
+ *
+ * @param block The block to serialize the extra state of.
+ * @param state The state object to append to.
+ * @param doFullSerialization Whether or not to serialize the full state of the
+ *     extra state (rather than possibly saving a reference to some state).
+ */
+function saveExtraState(
+  block: Block,
+  state: State,
+  doFullSerialization: boolean,
+) {
+  if (block.saveExtraState) {
+    const extraState = block.saveExtraState(doFullSerialization);
+    if (extraState !== null) {
+      state['extraState'] = extraState;
+    }
+  } else if (block.mutationToDom) {
+    const extraState = block.mutationToDom();
+    if (extraState !== null) {
+      state['extraState'] = Xml.domToText(extraState).replace(
+        ' xmlns="https://developers.google.com/blockly/xml"',
+        '',
+      );
+    }
+  }
+}
+
+/**
+ * Adds the state of all of the icons on the block to the given state object.
+ *
+ * @param block The block to serialize the icon state of.
+ * @param state The state object to append to.
+ * @param doFullSerialization Whether or not to serialize the full state of the
+ *     icon (rather than possibly saving a reference to some state).
+ */
+function saveIcons(block: Block, state: State, doFullSerialization: boolean) {
+  const icons = Object.create(null);
+  for (const icon of block.getIcons()) {
+    if (isSerializable(icon)) {
+      const state = icon.saveState(doFullSerialization);
+      if (state) icons[icon.getType().toString()] = state;
+    }
+  }
+
+  if (Object.keys(icons).length) {
+    state['icons'] = icons;
+  }
+}
+
+/**
+ * Adds the state of all of the fields on the block to the given state object.
+ *
+ * @param block The block to serialize the field state of.
+ * @param state The state object to append to.
+ * @param doFullSerialization Whether or not to serialize the full state of the
+ *     field (rather than possibly saving a reference to some state).
+ */
+function saveFields(block: Block, state: State, doFullSerialization: boolean) {
+  const fields = Object.create(null);
+  for (let i = 0; i < block.inputList.length; i++) {
+    const input = block.inputList[i];
+    for (let j = 0; j < input.fieldRow.length; j++) {
+      const field = input.fieldRow[j];
+      if (field.isSerializable()) {
+        fields[field.name!] = field.saveState(doFullSerialization);
+      }
+    }
+  }
+  if (Object.keys(fields).length) {
+    state['fields'] = fields;
+  }
+}
+
+/**
+ * Adds the state of all of the child blocks of the given block (which are
+ * connected to inputs) to the given state object.
+ *
+ * @param block The block to serialize the input blocks of.
+ * @param state The state object to append to.
+ * @param doFullSerialization Whether or not to do full serialization.
+ */
+function saveInputBlocks(
+  block: Block,
+  state: State,
+  doFullSerialization: boolean,
+  saveIds: boolean,
+) {
+  const inputs = Object.create(null);
+  for (let i = 0; i < block.inputList.length; i++) {
+    const input = block.inputList[i];
+    if (!input.connection) continue;
+    const connectionState = saveConnection(
+      input.connection as Connection,
+      doFullSerialization,
+      saveIds,
+    );
+    if (connectionState) {
+      inputs[input.name] = connectionState;
+    }
+  }
+
+  if (Object.keys(inputs).length) {
+    state['inputs'] = inputs;
+  }
+}
+
+/**
+ * Adds the state of all of the next blocks of the given block to the given
+ * state object.
+ *
+ * @param block The block to serialize the next blocks of.
+ * @param state The state object to append to.
+ * @param doFullSerialization Whether or not to do full serialization.
+ */
+function saveNextBlocks(
+  block: Block,
+  state: State,
+  doFullSerialization: boolean,
+  saveIds: boolean,
+) {
+  if (!block.nextConnection) {
+    return;
+  }
+  const connectionState = saveConnection(
+    block.nextConnection,
+    doFullSerialization,
+    saveIds,
+  );
+  if (connectionState) {
+    state['next'] = connectionState;
+  }
+}
+
+/**
+ * Returns the state of the given connection (ie the state of any connected
+ * shadow or real blocks).
+ *
+ * @param connection The connection to serialize the connected blocks of.
+ * @returns An object containing the state of any connected shadow block, or any
+ *     connected real block.
+ * @param doFullSerialization Whether or not to do full serialization.
+ */
+function saveConnection(
+  connection: Connection,
+  doFullSerialization: boolean,
+  saveIds: boolean,
+): ConnectionState | null {
+  const shadow = connection.getShadowState(true);
+  const child = connection.targetBlock();
+  if (!shadow && !child) {
+    return null;
+  }
+  const state = Object.create(null);
+  if (shadow) {
+    state['shadow'] = shadow;
+  }
+  if (child && !child.isShadow()) {
+    state['block'] = save(child, {doFullSerialization, saveIds});
+  }
+  return state;
+}
+
+/**
+ * Loads the block represented by the given state into the given workspace.
+ *
+ * @param state The state of a block to deserialize into the workspace.
+ * @param workspace The workspace to add the block to.
+ * @param param1 recordUndo: If true, events triggered by this function will be
+ *     undo-able by the user. False by default.
+ * @returns The block that was just loaded.
+ */
+export function append(
+  state: State,
+  workspace: Workspace,
+  {recordUndo = false}: {recordUndo?: boolean} = {},
+): Block {
+  const block = appendInternal(state, workspace, {recordUndo});
+  if (workspace.rendered) renderManagement.triggerQueuedRenders();
+  return block;
+}
+
+/**
+ * Loads the block represented by the given state into the given workspace.
+ * This is defined internally so that the extra parameters don't clutter our
+ * external API.
+ * But it is exported so that other places within Blockly can call it directly
+ * with the extra parameters.
+ *
+ * @param state The state of a block to deserialize into the workspace.
+ * @param workspace The workspace to add the block to.
+ * @param param1 parentConnection: If provided, the system will attempt to
+ *     connect the block to this connection after it is created. Undefined by
+ *     default. isShadow: If true, the block will be set to a shadow block after
+ *     it is created. False by default. recordUndo: If true, events triggered by
+ *     this function will be undo-able by the user. False by default.
+ * @returns The block that was just appended.
+ * @internal
+ */
+export function appendInternal(
+  state: State,
+  workspace: Workspace,
+  {
+    parentConnection = undefined,
+    isShadow = false,
+    recordUndo = false,
+  }: {
+    parentConnection?: Connection;
+    isShadow?: boolean;
+    recordUndo?: boolean;
+  } = {},
+): Block {
+  const prevRecordUndo = eventUtils.getRecordUndo();
+  eventUtils.setRecordUndo(recordUndo);
+  const existingGroup = eventUtils.getGroup();
+  if (!existingGroup) {
+    eventUtils.setGroup(true);
+  }
+  eventUtils.disable();
+
+  const variablesBeforeCreation = workspace.getAllVariables();
+  let block;
+  try {
+    block = appendPrivate(state, workspace, {parentConnection, isShadow});
+  } finally {
+    eventUtils.enable();
+  }
+
+  // Fire a VarCreate event for each (if any) new variable created.
+  checkNewVariables(workspace, variablesBeforeCreation);
+
+  if (eventUtils.isEnabled()) {
+    // Block events come after var events, in case they refer to newly created
+    // variables.
+    eventUtils.fire(new (eventUtils.get(eventUtils.BLOCK_CREATE))(block));
+  }
+  eventUtils.setGroup(existingGroup);
+  eventUtils.setRecordUndo(prevRecordUndo);
+
+  // Adding connections to the connection db is expensive. This defers that
+  // operation to decrease load time.
+  if (workspace.rendered) {
+    const blockSvg = block as BlockSvg;
+    setTimeout(() => {
+      if (!blockSvg.disposed) {
+        blockSvg.setConnectionTracking(true);
+      }
+    }, 1);
+  }
+
+  return block;
+}
+
+/**
+ * Loads the block represented by the given state into the given workspace.
+ * This is defined privately so that it can be called recursively without firing
+ * eroneous events. Events (and other things we only want to occur on the top
+ * block) are handled by appendInternal.
+ *
+ * @param state The state of a block to deserialize into the workspace.
+ * @param workspace The workspace to add the block to.
+ * @param param1 parentConnection: If provided, the system will attempt to
+ *     connect the block to this connection after it is created. Undefined by
+ *     default. isShadow: The block will be set to a shadow block after it is
+ *     created. False by default.
+ * @returns The block that was just appended.
+ */
+function appendPrivate(
+  state: State,
+  workspace: Workspace,
+  {
+    parentConnection = undefined,
+    isShadow = false,
+  }: {parentConnection?: Connection; isShadow?: boolean} = {},
+): Block {
+  if (!state['type']) {
+    throw new MissingBlockType(state);
+  }
+
+  const block = workspace.newBlock(state['type'], state['id']);
+  block.setShadow(isShadow);
+  loadCoords(block, state);
+  loadAttributes(block, state);
+  loadExtraState(block, state);
+  tryToConnectParent(parentConnection, block, state);
+  loadIcons(block, state);
+  loadFields(block, state);
+  loadInputBlocks(block, state);
+  loadNextBlocks(block, state);
+  initBlock(block, workspace.rendered);
+
+  return block;
+}
+
+/**
+ * Checks the workspace for any new variables that were created during the
+ * deserialization of a block and fires a VarCreate event for each.
+ *
+ * @param workspace The workspace where new variables are being created
+ * @param originalVariables The array of variables that existed in the workspace
+ *     before adding the new block.
+ */
+function checkNewVariables(
+  workspace: Workspace,
+  originalVariables: VariableModel[],
+) {
+  if (eventUtils.isEnabled()) {
+    const newVariables = Variables.getAddedVariables(
+      workspace,
+      originalVariables,
+    );
+    // Fire a VarCreate event for each (if any) new variable created.
+    for (let i = 0; i < newVariables.length; i++) {
+      const thisVariable = newVariables[i];
+      eventUtils.fire(
+        new (eventUtils.get(eventUtils.VAR_CREATE))(thisVariable),
+      );
+    }
+  }
+}
+
+/**
+ * Applies any coordinate information available on the state object to the
+ * block.
+ *
+ * @param block The block to set the position of.
+ * @param state The state object to reference.
+ */
+function loadCoords(block: Block, state: State) {
+  let x = state['x'] === undefined ? 0 : state['x'];
+  const y = state['y'] === undefined ? 0 : state['y'];
+
+  const workspace = block.workspace;
+  x = workspace.RTL ? workspace.getWidth() - x : x;
+
+  block.moveBy(x, y);
+}
+
+/**
+ * Applies any attribute information available on the state object to the block.
+ *
+ * @param block The block to set the attributes of.
+ * @param state The state object to reference.
+ */
+function loadAttributes(block: Block, state: State) {
+  if (state['collapsed']) {
+    block.setCollapsed(true);
+  }
+  if (state['deletable'] === false) {
+    block.setDeletable(false);
+  }
+  if (state['movable'] === false) {
+    block.setMovable(false);
+  }
+  if (state['editable'] === false) {
+    block.setEditable(false);
+  }
+  if (state['enabled'] === false) {
+    // Before May 2024 we just used 'enabled', with no reasons.
+    // Contiune to support this syntax.
+    block.setDisabledReason(true, MANUALLY_DISABLED);
+  }
+  if (Array.isArray(state['disabledReasons'])) {
+    for (const reason of state['disabledReasons']) {
+      block.setDisabledReason(true, reason);
+    }
+  }
+  if (state['inline'] !== undefined) {
+    block.setInputsInline(state['inline']);
+  }
+  if (state['data'] !== undefined) {
+    block.data = state['data'];
+  }
+}
+
+/**
+ * Applies any extra state information available on the state object to the
+ * block.
+ *
+ * @param block The block to set the extra state of.
+ * @param state The state object to reference.
+ */
+function loadExtraState(block: Block, state: State) {
+  if (!state['extraState']) {
+    return;
+  }
+  if (block.loadExtraState) {
+    block.loadExtraState(state['extraState']);
+  } else if (block.domToMutation) {
+    block.domToMutation(utilsXml.textToDom(state['extraState']));
+  }
+}
+
+/**
+ * Attempts to connect the block to the parent connection, if it exists.
+ *
+ * @param parentConnection The parent connection to try to connect the block to.
+ * @param child The block to try to connect to the parent.
+ * @param state The state which defines the given block
+ */
+function tryToConnectParent(
+  parentConnection: Connection | undefined,
+  child: Block,
+  state: State,
+) {
+  if (!parentConnection) {
+    return;
+  }
+
+  if (parentConnection.getSourceBlock().isShadow() && !child.isShadow()) {
+    throw new RealChildOfShadow(state);
+  }
+
+  let connected = false;
+  let childConnection;
+  if (parentConnection.type === inputTypes.VALUE) {
+    childConnection = child.outputConnection;
+    if (!childConnection) {
+      throw new MissingConnection('output', child, state);
+    }
+    connected = parentConnection.connect(childConnection);
+  } else {
+    // Statement type.
+    childConnection = child.previousConnection;
+    if (!childConnection) {
+      throw new MissingConnection('previous', child, state);
+    }
+    connected = parentConnection.connect(childConnection);
+  }
+
+  if (!connected) {
+    const checker = child.workspace.connectionChecker;
+    throw new BadConnectionCheck(
+      checker.getErrorMessage(
+        checker.canConnectWithReason(childConnection, parentConnection, false),
+        childConnection,
+        parentConnection,
+      ),
+      parentConnection.type === inputTypes.VALUE
+        ? 'output connection'
+        : 'previous connection',
+      child,
+      state,
+    );
+  }
+}
+
+/**
+ * Applies icon state to the icons on the block, based on the given state
+ * object.
+ *
+ * @param block The block to set the icon state of.
+ * @param state The state object to reference.
+ */
+function loadIcons(block: Block, state: State) {
+  if (!state['icons']) return;
+
+  const iconTypes = Object.keys(state['icons']);
+  for (const iconType of iconTypes) {
+    const iconState = state['icons'][iconType];
+    let icon = block.getIcon(iconType);
+    if (!icon) {
+      const constructor = registry.getClass(
+        registry.Type.ICON,
+        iconType,
+        false,
+      );
+      if (!constructor) throw new UnregisteredIcon(iconType, block, state);
+      icon = new constructor(block);
+      block.addIcon(icon);
+    }
+    if (isSerializable(icon)) icon.loadState(iconState);
+  }
+}
+
+/**
+ * Applies any field information available on the state object to the block.
+ *
+ * @param block The block to set the field state of.
+ * @param state The state object to reference.
+ */
+function loadFields(block: Block, state: State) {
+  if (!state['fields']) {
+    return;
+  }
+  const keys = Object.keys(state['fields']);
+  for (let i = 0; i < keys.length; i++) {
+    const fieldName = keys[i];
+    const fieldState = state['fields'][fieldName];
+    const field = block.getField(fieldName);
+    if (!field) {
+      console.warn(
+        `Ignoring non-existant field ${fieldName} in block ${block.type}`,
+      );
+      continue;
+    }
+    field.loadState(fieldState);
+  }
+}
+
+/**
+ * Creates any child blocks (attached to inputs) defined by the given state
+ * and attaches them to the given block.
+ *
+ * @param block The block to attach input blocks to.
+ * @param state The state object to reference.
+ */
+function loadInputBlocks(block: Block, state: State) {
+  if (!state['inputs']) {
+    return;
+  }
+  const keys = Object.keys(state['inputs']);
+  for (let i = 0; i < keys.length; i++) {
+    const inputName = keys[i];
+    const input = block.getInput(inputName);
+    if (!input || !input.connection) {
+      throw new MissingConnection(inputName, block, state);
+    }
+    loadConnection(input.connection, state['inputs'][inputName]);
+  }
+}
+
+/**
+ * Creates any next blocks defined by the given state and attaches them to the
+ * given block.
+ *
+ * @param block The block to attach next blocks to.
+ * @param state The state object to reference.
+ */
+function loadNextBlocks(block: Block, state: State) {
+  if (!state['next']) {
+    return;
+  }
+  if (!block.nextConnection) {
+    throw new MissingConnection('next', block, state);
+  }
+  loadConnection(block.nextConnection, state['next']);
+}
+/**
+ * Applies the state defined by connectionState to the given connection, ie
+ * assigns shadows and attaches child blocks.
+ *
+ * @param connection The connection to deserialize the connected blocks of.
+ * @param connectionState The object containing the state of any connected
+ *     shadow block, or any connected real block.
+ */
+function loadConnection(
+  connection: Connection,
+  connectionState: ConnectionState,
+) {
+  if (connectionState['shadow']) {
+    connection.setShadowState(connectionState['shadow']);
+  }
+  if (connectionState['block']) {
+    appendPrivate(
+      connectionState['block'],
+      connection.getSourceBlock().workspace,
+      {parentConnection: connection},
+    );
+  }
+}
+
+// TODO(#5146): Remove this from the serialization system.
+/**
+ * Initializes the give block, eg init the model, inits the svg, renders, etc.
+ *
+ * @param block The block to initialize.
+ * @param rendered Whether the block is a rendered or headless block.
+ */
+function initBlock(block: Block, rendered: boolean) {
+  if (rendered) {
+    const blockSvg = block as BlockSvg;
+    // Adding connections to the connection db is expensive. This defers that
+    // operation to decrease load time.
+    blockSvg.setConnectionTracking(false);
+
+    blockSvg.initSvg();
+    blockSvg.queueRender();
+
+    // fixes #6076 JSO deserialization doesn't
+    // set .iconXY_ property so here it will be set
+    for (const icon of blockSvg.getIcons()) {
+      icon.onLocationChange(blockSvg.getRelativeToSurfaceXY());
+    }
+  } else {
+    block.initModel();
+  }
+}
+
+// Alias to disambiguate saving within the serializer.
+const saveBlock = save;
+
+/**
+ * Serializer for saving and loading block state.
+ */
+export class BlockSerializer implements ISerializer {
+  priority: number;
+
+  /* eslint-disable-next-line require-jsdoc */
+  constructor() {
+    /** The priority for deserializing blocks. */
+    this.priority = priorities.BLOCKS;
+  }
+
+  /**
+   * Serializes the blocks of the given workspace.
+   *
+   * @param workspace The workspace to save the blocks of.
+   * @returns The state of the workspace's blocks, or null if there are no
+   *     blocks.
+   */
+  save(
+    workspace: Workspace,
+  ): {languageVersion: number; blocks: State[]} | null {
+    const blockStates = [];
+    for (const block of workspace.getTopBlocks(false)) {
+      const state = saveBlock(block, {
+        addCoordinates: true,
+        doFullSerialization: false,
+      });
+      if (state) {
+        blockStates.push(state);
+      }
+    }
+    if (blockStates.length) {
+      return {
+        'languageVersion': 0, // Currently unused.
+        'blocks': blockStates,
+      };
+    }
+    return null;
+  }
+
+  /**
+   * Deserializes the blocks defined by the given state into the given
+   * workspace.
+   *
+   * @param state The state of the blocks to deserialize.
+   * @param workspace The workspace to deserialize into.
+   */
+  load(
+    state: {languageVersion: number; blocks: State[]},
+    workspace: Workspace,
+  ) {
+    const blockStates = state['blocks'];
+    for (const state of blockStates) {
+      append(state, workspace, {recordUndo: eventUtils.getRecordUndo()});
+    }
+  }
+
+  /**
+   * Disposes of any blocks that exist on the workspace.
+   *
+   * @param workspace The workspace to clear the blocks of.
+   */
+  clear(workspace: Workspace) {
+    // Cannot use workspace.clear() because that also removes variables.
+    for (const block of workspace.getTopBlocks(false)) {
+      block.dispose(false);
+    }
+  }
+}
+
+serializationRegistry.register('blocks', new BlockSerializer());
diff --git a/core/serialization/exceptions.ts b/core/serialization/exceptions.ts
new file mode 100644
index 00000000000..b89925aebc7
--- /dev/null
+++ b/core/serialization/exceptions.ts
@@ -0,0 +1,112 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.serialization.exceptions
+
+import type {Block} from '../block.js';
+import type {State} from './blocks.js';
+
+export class DeserializationError extends Error {}
+
+/**
+ * Represents an error where the serialized state is expected to provide a
+ * block type, but it is not provided.
+ *
+ */
+export class MissingBlockType extends DeserializationError {
+  /**
+   * @param state The state object which is missing the block type.
+   * @internal
+   */
+  constructor(public state: State) {
+    super(`Expected to find a 'type' property, defining the block type`);
+  }
+}
+
+/**
+ * Represents an error where deserialization encountered a block that did
+ * not have a connection that was defined in the serialized state.
+ */
+export class MissingConnection extends DeserializationError {
+  /**
+   * @param connection The name of the connection that is missing. E.g.
+   *     'IF0', or 'next'.
+   * @param block The block missing the connection.
+   * @param state The state object containing the bad connection.
+   * @internal
+   */
+  constructor(
+    connection: string,
+    public block: Block,
+    public state: State,
+  ) {
+    super(`The block ${block.toDevString()} is missing a(n) ${connection}
+connection`);
+  }
+}
+
+/**
+ * Represents an error where deserialization tried to connect two connections
+ * that were not compatible.
+ */
+export class BadConnectionCheck extends DeserializationError {
+  /**
+   * @param reason The reason the connections were not compatible.
+   * @param childConnection The name of the incompatible child connection. E.g.
+   *     'output' or 'previous'.
+   * @param childBlock The child block that could not connect to its parent.
+   * @param childState The state object representing the child block.
+   * @internal
+   */
+  constructor(
+    reason: string,
+    childConnection: string,
+    public childBlock: Block,
+    public childState: State,
+  ) {
+    super(`The block ${childBlock.toDevString()} could not connect its
+${childConnection} to its parent, because: ${reason}`);
+  }
+}
+
+/**
+ * Represents an error where deserialization encountered a real block as it
+ * was deserializing children of a shadow.
+ * This is an error because it is an invariant of Blockly that shadow blocks
+ * do not have real children.
+ */
+export class RealChildOfShadow extends DeserializationError {
+  /**
+   * @param state The state object representing the real block.
+   * @internal
+   */
+  constructor(public state: State) {
+    super(`Encountered a real block which is defined as a child of a shadow
+block. It is an invariant of Blockly that shadow blocks only have shadow
+children`);
+  }
+}
+
+export class UnregisteredIcon extends DeserializationError {
+  /**
+   * @param iconType The type of the unregistered icon we are attempting to
+   *     deserialize.
+   * @param block The block we are attempting to add the unregistered icon to.
+   * @param state The state object representing the block.
+   */
+  constructor(
+    iconType: string,
+    public block: Block,
+    public state: State,
+  ) {
+    super(
+      `Cannot add an icon of type '${iconType}' to the block ` +
+        `${block.toDevString()}, because there is no icon registered with ` +
+        `type '${iconType}'. Make sure that all of your icons have been ` +
+        `registered.`,
+    );
+  }
+}
diff --git a/core/serialization/priorities.ts b/core/serialization/priorities.ts
new file mode 100644
index 00000000000..726242f0157
--- /dev/null
+++ b/core/serialization/priorities.ts
@@ -0,0 +1,25 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.serialization.priorities
+
+/**
+ * The priority for deserializing variables.
+ */
+export const VARIABLES = 100;
+
+/**
+ * The priority for deserializing variable data.
+ */
+export const PROCEDURES = 75;
+
+/**
+ * The priority for deserializing blocks.
+ */
+export const BLOCKS = 50;
+
+/** The priority for deserializing workspace comments. */
+export const WORKSPACE_COMMENTS = 25;
diff --git a/core/serialization/procedures.ts b/core/serialization/procedures.ts
new file mode 100644
index 00000000000..55d72060417
--- /dev/null
+++ b/core/serialization/procedures.ts
@@ -0,0 +1,158 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {IParameterModel} from '../interfaces/i_parameter_model.js';
+import {IProcedureModel} from '../interfaces/i_procedure_model.js';
+import type {ISerializer} from '../interfaces/i_serializer.js';
+import * as priorities from './priorities.js';
+import type {Workspace} from '../workspace.js';
+
+/** Represents the state of a procedure model. */
+export interface State {
+  id: string;
+  name: string;
+  returnTypes: string[] | null;
+  parameters?: ParameterState[];
+  [key: string]: unknown;
+}
+
+/** Represents the state of a parameter model. */
+export interface ParameterState {
+  id: string;
+  name: string;
+  types?: string[];
+  [key: string]: unknown;
+}
+
+/**
+ * A newable signature for an IProcedureModel.
+ *
+ * Refer to
+ * https://www.typescriptlang.org/docs/handbook/interfaces.html#difference-between-the-static-and-instance-sides-of-classes
+ * for what is going on with this.
+ */
+interface ProcedureModelConstructor<ProcedureModel extends IProcedureModel> {
+  new (workspace: Workspace, name: string, id: string): ProcedureModel;
+
+  /**
+   * Deserializes the JSON state and returns a procedure model.
+   *
+   * @param state The state to deserialize.
+   * @param workspace The workspace to load the procedure model into.
+   * @returns The constructed procedure model.
+   */
+  loadState(state: Object, workspace: Workspace): ProcedureModel;
+}
+
+/**
+ * A newable signature for an IParameterModel.
+ *
+ * Refer to
+ * https://www.typescriptlang.org/docs/handbook/interfaces.html#difference-between-the-static-and-instance-sides-of-classes
+ * for what is going on with this.
+ */
+interface ParameterModelConstructor<ParameterModel extends IParameterModel> {
+  new (workspace: Workspace, name: string, id: string): ParameterModel;
+
+  /**
+   * Deserializes the JSON state and returns a parameter model.
+   *
+   * @param state The state to deserialize.
+   * @param workspace The workspace to load the parameter model into.
+   * @returns The constructed parameter model.
+   */
+  loadState(state: Object, workspace: Workspace): ParameterModel;
+}
+
+/**
+ * Serializes the given IProcedureModel to JSON.
+ */
+export function saveProcedure(proc: IProcedureModel): State {
+  const state: State = proc.saveState();
+  if (!proc.getParameters().length) return state;
+  state.parameters = proc.getParameters().map((param) => param.saveState());
+  return state;
+}
+
+/**
+ * Deserializes the given procedure model State from JSON.
+ */
+export function loadProcedure<
+  ProcedureModel extends IProcedureModel,
+  ParameterModel extends IParameterModel,
+>(
+  procedureModelClass: ProcedureModelConstructor<ProcedureModel>,
+  parameterModelClass: ParameterModelConstructor<ParameterModel>,
+  state: State,
+  workspace: Workspace,
+): ProcedureModel {
+  const proc = procedureModelClass.loadState(state, workspace);
+  if (!state.parameters) return proc;
+  for (const [index, param] of state.parameters.entries()) {
+    proc.insertParameter(
+      parameterModelClass.loadState(param, workspace),
+      index,
+    );
+  }
+  return proc;
+}
+
+/** Serializer for saving and loading procedure state. */
+export class ProcedureSerializer<
+  ProcedureModel extends IProcedureModel,
+  ParameterModel extends IParameterModel,
+> implements ISerializer
+{
+  public priority = priorities.PROCEDURES;
+
+  /**
+   * Constructs the procedure serializer.
+   *
+   * Example usage:
+   *   new ProcedureSerializer(MyProcedureModelClass, MyParameterModelClass)
+   *
+   * @param procedureModelClass The class (implementing IProcedureModel) that
+   *     you want this serializer to deserialize.
+   * @param parameterModelClass The class (implementing IParameterModel) that
+   *     you want this serializer to deserialize.
+   */
+  constructor(
+    private readonly procedureModelClass: ProcedureModelConstructor<ProcedureModel>,
+    private readonly parameterModelClass: ParameterModelConstructor<ParameterModel>,
+  ) {}
+
+  /** Serializes the procedure models of the given workspace. */
+  save(workspace: Workspace): State[] | null {
+    const save = workspace
+      .getProcedureMap()
+      .getProcedures()
+      .map((proc) => saveProcedure(proc));
+    return save.length ? save : null;
+  }
+
+  /**
+   * Deserializes the procedures models defined by the given state into the
+   * workspace.
+   */
+  load(state: State[], workspace: Workspace) {
+    const map = workspace.getProcedureMap();
+    for (const procState of state) {
+      map.add(
+        loadProcedure(
+          this.procedureModelClass,
+          this.parameterModelClass,
+          procState,
+          workspace,
+        ),
+      );
+    }
+  }
+
+  /** Disposes of any procedure models that exist on the workspace. */
+  clear(workspace: Workspace) {
+    workspace.getProcedureMap().clear();
+  }
+}
diff --git a/core/serialization/registry.ts b/core/serialization/registry.ts
new file mode 100644
index 00000000000..65dd6022b02
--- /dev/null
+++ b/core/serialization/registry.ts
@@ -0,0 +1,30 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.serialization.registry
+
+import type {ISerializer} from '../interfaces/i_serializer.js';
+import * as registry from '../registry.js';
+
+/**
+ * Registers the given serializer so that it can be used for serialization and
+ * deserialization.
+ *
+ * @param name The name of the serializer to register.
+ * @param serializer The serializer to register.
+ */
+export function register(name: string, serializer: ISerializer) {
+  registry.register(registry.Type.SERIALIZER, name, serializer);
+}
+
+/**
+ * Unregisters the serializer associated with the given name.
+ *
+ * @param name The name of the serializer to unregister.
+ */
+export function unregister(name: string) {
+  registry.unregister(registry.Type.SERIALIZER, name);
+}
diff --git a/core/serialization/variables.ts b/core/serialization/variables.ts
new file mode 100644
index 00000000000..69c6cda8c1b
--- /dev/null
+++ b/core/serialization/variables.ts
@@ -0,0 +1,89 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.serialization.variables
+
+import type {ISerializer} from '../interfaces/i_serializer.js';
+import type {Workspace} from '../workspace.js';
+
+import * as priorities from './priorities.js';
+import * as serializationRegistry from './registry.js';
+
+/**
+ * Represents the state of a given variable.
+ */
+export interface State {
+  name: string;
+  id: string;
+  type: string | undefined;
+}
+
+/**
+ * Serializer for saving and loading variable state.
+ */
+export class VariableSerializer implements ISerializer {
+  priority: number;
+
+  /* eslint-disable-next-line require-jsdoc */
+  constructor() {
+    /** The priority for deserializing variables. */
+    this.priority = priorities.VARIABLES;
+  }
+
+  /**
+   * Serializes the variables of the given workspace.
+   *
+   * @param workspace The workspace to save the variables of.
+   * @returns The state of the workspace's variables, or null if there are no
+   *     variables.
+   */
+  save(workspace: Workspace): State[] | null {
+    const variableStates = [];
+    for (const variable of workspace.getAllVariables()) {
+      const state = {
+        'name': variable.name,
+        'id': variable.getId(),
+      };
+      if (variable.type) {
+        (state as AnyDuringMigration)['type'] = variable.type;
+      }
+      variableStates.push(state);
+    }
+    // AnyDuringMigration because:  Type '{ name: string; id: string; }[] |
+    // null' is not assignable to type 'State[] | null'.
+    return (
+      variableStates.length ? variableStates : null
+    ) as AnyDuringMigration;
+  }
+
+  /**
+   * Deserializes the variable defined by the given state into the given
+   * workspace.
+   *
+   * @param state The state of the variables to deserialize.
+   * @param workspace The workspace to deserialize into.
+   */
+  load(state: State[], workspace: Workspace) {
+    for (const varState of state) {
+      workspace.createVariable(
+        varState['name'],
+        varState['type'],
+        varState['id'],
+      );
+    }
+  }
+
+  /**
+   * Disposes of any variables that exist on the workspace.
+   *
+   * @param workspace The workspace to clear the variables of.
+   */
+  clear(workspace: Workspace) {
+    workspace.getVariableMap().clear();
+  }
+}
+
+serializationRegistry.register('variables', new VariableSerializer());
diff --git a/core/serialization/workspace_comments.ts b/core/serialization/workspace_comments.ts
new file mode 100644
index 00000000000..525274e58e4
--- /dev/null
+++ b/core/serialization/workspace_comments.ts
@@ -0,0 +1,143 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {ISerializer} from '../interfaces/i_serializer.js';
+import {Workspace} from '../workspace.js';
+import * as priorities from './priorities.js';
+import type {WorkspaceComment} from '../comments/workspace_comment.js';
+import * as eventUtils from '../events/utils.js';
+import {Coordinate} from '../utils/coordinate.js';
+import * as serializationRegistry from './registry.js';
+import {Size} from '../utils/size.js';
+
+export interface State {
+  id?: string;
+  text?: string;
+  x?: number;
+  y?: number;
+  width?: number;
+  height?: number;
+  collapsed?: boolean;
+  editable?: boolean;
+  movable?: boolean;
+  deletable?: boolean;
+}
+
+/** Serializes the state of the given comment to JSON. */
+export function save(
+  comment: WorkspaceComment,
+  {
+    addCoordinates = false,
+    saveIds = true,
+  }: {
+    addCoordinates?: boolean;
+    saveIds?: boolean;
+  } = {},
+): State {
+  const workspace = comment.workspace;
+  const state: State = Object.create(null);
+
+  state.height = comment.getSize().height;
+  state.width = comment.getSize().width;
+
+  if (saveIds) state.id = comment.id;
+  if (addCoordinates) {
+    const loc = comment.getRelativeToSurfaceXY();
+    state.x = workspace.RTL ? workspace.getWidth() - loc.x : loc.x;
+    state.y = loc.y;
+  }
+
+  if (comment.getText()) state.text = comment.getText();
+  if (comment.isCollapsed()) state.collapsed = true;
+  if (!comment.isOwnEditable()) state.editable = false;
+  if (!comment.isOwnMovable()) state.movable = false;
+  if (!comment.isOwnDeletable()) state.deletable = false;
+
+  return state;
+}
+
+/** Appends the comment defined by the given state to the given workspace. */
+export function append(
+  state: State,
+  workspace: Workspace,
+  {recordUndo = false}: {recordUndo?: boolean} = {},
+): WorkspaceComment {
+  const prevRecordUndo = eventUtils.getRecordUndo();
+  eventUtils.setRecordUndo(recordUndo);
+
+  const comment = workspace.newComment(state.id);
+
+  if (state.text !== undefined) comment.setText(state.text);
+  if (state.x !== undefined || state.y !== undefined) {
+    const defaultLoc = comment.getRelativeToSurfaceXY();
+    let x = state.x ?? defaultLoc.x;
+    x = workspace.RTL ? workspace.getWidth() - x : x;
+    const y = state.y ?? defaultLoc.y;
+    comment.moveTo(new Coordinate(x, y));
+  }
+  if (state.width !== undefined || state.height) {
+    const defaultSize = comment.getSize();
+    comment.setSize(
+      new Size(
+        state.width ?? defaultSize.width,
+        state.height ?? defaultSize.height,
+      ),
+    );
+  }
+  if (state.collapsed !== undefined) comment.setCollapsed(state.collapsed);
+  if (state.editable !== undefined) comment.setEditable(state.editable);
+  if (state.movable !== undefined) comment.setMovable(state.movable);
+  if (state.deletable !== undefined) comment.setDeletable(state.deletable);
+
+  eventUtils.setRecordUndo(prevRecordUndo);
+
+  return comment;
+}
+
+// Alias to disambiguate saving within the serializer.
+const saveComment = save;
+
+/** Serializer for saving and loading workspace comment state. */
+export class WorkspaceCommentSerializer implements ISerializer {
+  priority = priorities.WORKSPACE_COMMENTS;
+
+  /**
+   * Returns the state of all workspace comments in the given workspace.
+   */
+  save(workspace: Workspace): State[] | null {
+    const commentStates = [];
+    for (const comment of workspace.getTopComments()) {
+      const state = saveComment(comment as AnyDuringMigration, {
+        addCoordinates: true,
+        saveIds: true,
+      });
+      if (state) commentStates.push(state);
+    }
+    return commentStates.length ? commentStates : null;
+  }
+
+  /**
+   * Deserializes the comments defined by the given state into the given
+   * workspace.
+   */
+  load(state: State[], workspace: Workspace) {
+    for (const commentState of state) {
+      append(commentState, workspace, {recordUndo: eventUtils.getRecordUndo()});
+    }
+  }
+
+  /** Disposes of any comments that exist on the given workspace. */
+  clear(workspace: Workspace) {
+    for (const comment of workspace.getTopComments()) {
+      comment.dispose();
+    }
+  }
+}
+
+serializationRegistry.register(
+  'workspaceComments',
+  new WorkspaceCommentSerializer(),
+);
diff --git a/core/serialization/workspaces.ts b/core/serialization/workspaces.ts
new file mode 100644
index 00000000000..871060196c7
--- /dev/null
+++ b/core/serialization/workspaces.ts
@@ -0,0 +1,94 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.serialization.workspaces
+
+import * as eventUtils from '../events/utils.js';
+import type {ISerializer} from '../interfaces/i_serializer.js';
+import * as registry from '../registry.js';
+import * as dom from '../utils/dom.js';
+// eslint-disable-next-line no-unused-vars
+import type {Workspace} from '../workspace.js';
+import {WorkspaceSvg} from '../workspace_svg.js';
+
+/**
+ * Returns the state of the workspace as a plain JavaScript object.
+ *
+ * @param workspace The workspace to serialize.
+ * @returns The serialized state of the workspace.
+ */
+export function save(workspace: Workspace): {
+  [key: string]: AnyDuringMigration;
+} {
+  const state = Object.create(null);
+  const serializerMap = registry.getAllItems(registry.Type.SERIALIZER, true);
+  for (const key in serializerMap) {
+    const save = (serializerMap[key] as ISerializer)?.save(workspace);
+    if (save) {
+      state[key] = save;
+    }
+  }
+  return state;
+}
+
+/**
+ * Loads the variable represented by the given state into the given workspace.
+ *
+ * @param state The state of the workspace to deserialize into the workspace.
+ * @param workspace The workspace to add the new state to.
+ * @param param1 recordUndo: If true, events triggered by this function will be
+ *     undo-able by the user. False by default.
+ */
+export function load(
+  state: {[key: string]: AnyDuringMigration},
+  workspace: Workspace,
+  {recordUndo = false}: {recordUndo?: boolean} = {},
+) {
+  const serializerMap = registry.getAllItems(registry.Type.SERIALIZER, true);
+  if (!serializerMap) {
+    return;
+  }
+
+  const deserializers = Object.entries(serializerMap).sort(
+    (a, b) => (b[1] as ISerializer)!.priority - (a[1] as ISerializer)!.priority,
+  );
+
+  const prevRecordUndo = eventUtils.getRecordUndo();
+  eventUtils.setRecordUndo(recordUndo);
+  const existingGroup = eventUtils.getGroup();
+  if (!existingGroup) {
+    eventUtils.setGroup(true);
+  }
+
+  dom.startTextWidthCache();
+  if (workspace instanceof WorkspaceSvg) {
+    workspace.setResizesEnabled(false);
+  }
+
+  // We want to trigger clearing in reverse priority order so plugins don't end
+  // up missing dependencies.
+  for (const [, deserializer] of deserializers.reverse()) {
+    (deserializer as ISerializer)?.clear(workspace);
+  }
+
+  // reverse() is destructive, so we have to re-reverse to correct the order.
+  for (const [name, deserializer] of deserializers.reverse()) {
+    const pluginState = state[name];
+    if (pluginState) {
+      (deserializer as ISerializer)?.load(state[name], workspace);
+    }
+  }
+
+  if (workspace instanceof WorkspaceSvg) {
+    workspace.setResizesEnabled(true);
+  }
+  dom.stopTextWidthCache();
+
+  eventUtils.fire(new (eventUtils.get(eventUtils.FINISHED_LOADING))(workspace));
+
+  eventUtils.setGroup(existingGroup);
+  eventUtils.setRecordUndo(prevRecordUndo);
+}
diff --git a/core/shortcut_items.ts b/core/shortcut_items.ts
new file mode 100644
index 00000000000..6a7e29d26b2
--- /dev/null
+++ b/core/shortcut_items.ts
@@ -0,0 +1,338 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.ShortcutItems
+
+import {BlockSvg} from './block_svg.js';
+import * as clipboard from './clipboard.js';
+import * as common from './common.js';
+import {Gesture} from './gesture.js';
+import {ICopyData, isCopyable} from './interfaces/i_copyable.js';
+import {isDeletable} from './interfaces/i_deletable.js';
+import {KeyboardShortcut, ShortcutRegistry} from './shortcut_registry.js';
+import {KeyCodes} from './utils/keycodes.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+import {isDraggable} from './interfaces/i_draggable.js';
+import * as eventUtils from './events/utils.js';
+import {Coordinate} from './utils/coordinate.js';
+import {Rect} from './utils/rect.js';
+
+/**
+ * Object holding the names of the default shortcut items.
+ */
+export enum names {
+  ESCAPE = 'escape',
+  DELETE = 'delete',
+  COPY = 'copy',
+  CUT = 'cut',
+  PASTE = 'paste',
+  UNDO = 'undo',
+  REDO = 'redo',
+}
+
+/**
+ * Keyboard shortcut to hide chaff on escape.
+ */
+export function registerEscape() {
+  const escapeAction: KeyboardShortcut = {
+    name: names.ESCAPE,
+    preconditionFn(workspace) {
+      return !workspace.options.readOnly;
+    },
+    callback(workspace) {
+      // AnyDuringMigration because:  Property 'hideChaff' does not exist on
+      // type 'Workspace'.
+      (workspace as AnyDuringMigration).hideChaff();
+      return true;
+    },
+    keyCodes: [KeyCodes.ESC],
+  };
+  ShortcutRegistry.registry.register(escapeAction);
+}
+
+/**
+ * Keyboard shortcut to delete a block on delete or backspace
+ */
+export function registerDelete() {
+  const deleteShortcut: KeyboardShortcut = {
+    name: names.DELETE,
+    preconditionFn(workspace) {
+      const selected = common.getSelected();
+      return (
+        !workspace.options.readOnly &&
+        selected != null &&
+        isDeletable(selected) &&
+        selected.isDeletable() &&
+        !Gesture.inProgress()
+      );
+    },
+    callback(workspace, e) {
+      // Delete or backspace.
+      // Stop the browser from going back to the previous page.
+      // Do this first to prevent an error in the delete code from resulting in
+      // data loss.
+      e.preventDefault();
+      const selected = common.getSelected();
+      if (selected instanceof BlockSvg) {
+        selected.checkAndDelete();
+      } else if (isDeletable(selected) && selected.isDeletable()) {
+        eventUtils.setGroup(true);
+        selected.dispose();
+        eventUtils.setGroup(false);
+      }
+      return true;
+    },
+    keyCodes: [KeyCodes.DELETE, KeyCodes.BACKSPACE],
+  };
+  ShortcutRegistry.registry.register(deleteShortcut);
+}
+
+let copyData: ICopyData | null = null;
+let copyWorkspace: WorkspaceSvg | null = null;
+let copyCoords: Coordinate | null = null;
+
+/**
+ * Keyboard shortcut to copy a block on ctrl+c, cmd+c, or alt+c.
+ */
+export function registerCopy() {
+  const ctrlC = ShortcutRegistry.registry.createSerializedKey(KeyCodes.C, [
+    KeyCodes.CTRL,
+  ]);
+  const altC = ShortcutRegistry.registry.createSerializedKey(KeyCodes.C, [
+    KeyCodes.ALT,
+  ]);
+  const metaC = ShortcutRegistry.registry.createSerializedKey(KeyCodes.C, [
+    KeyCodes.META,
+  ]);
+
+  const copyShortcut: KeyboardShortcut = {
+    name: names.COPY,
+    preconditionFn(workspace) {
+      const selected = common.getSelected();
+      return (
+        !workspace.options.readOnly &&
+        !Gesture.inProgress() &&
+        selected != null &&
+        isDeletable(selected) &&
+        selected.isDeletable() &&
+        isDraggable(selected) &&
+        selected.isMovable() &&
+        isCopyable(selected)
+      );
+    },
+    callback(workspace, e) {
+      // Prevent the default copy behavior, which may beep or otherwise indicate
+      // an error due to the lack of a selection.
+      e.preventDefault();
+      workspace.hideChaff();
+      const selected = common.getSelected();
+      if (!selected || !isCopyable(selected)) return false;
+      copyData = selected.toCopyData();
+      copyWorkspace = workspace;
+      copyCoords = isDraggable(selected)
+        ? selected.getRelativeToSurfaceXY()
+        : null;
+      return !!copyData;
+    },
+    keyCodes: [ctrlC, altC, metaC],
+  };
+  ShortcutRegistry.registry.register(copyShortcut);
+}
+
+/**
+ * Keyboard shortcut to copy and delete a block on ctrl+x, cmd+x, or alt+x.
+ */
+export function registerCut() {
+  const ctrlX = ShortcutRegistry.registry.createSerializedKey(KeyCodes.X, [
+    KeyCodes.CTRL,
+  ]);
+  const altX = ShortcutRegistry.registry.createSerializedKey(KeyCodes.X, [
+    KeyCodes.ALT,
+  ]);
+  const metaX = ShortcutRegistry.registry.createSerializedKey(KeyCodes.X, [
+    KeyCodes.META,
+  ]);
+
+  const cutShortcut: KeyboardShortcut = {
+    name: names.CUT,
+    preconditionFn(workspace) {
+      const selected = common.getSelected();
+      return (
+        !workspace.options.readOnly &&
+        !Gesture.inProgress() &&
+        selected != null &&
+        isDeletable(selected) &&
+        selected.isDeletable() &&
+        isDraggable(selected) &&
+        selected.isMovable() &&
+        !selected.workspace!.isFlyout
+      );
+    },
+    callback(workspace) {
+      const selected = common.getSelected();
+
+      if (selected instanceof BlockSvg) {
+        copyData = selected.toCopyData();
+        copyWorkspace = workspace;
+        copyCoords = selected.getRelativeToSurfaceXY();
+        selected.checkAndDelete();
+        return true;
+      } else if (
+        isDeletable(selected) &&
+        selected.isDeletable() &&
+        isCopyable(selected)
+      ) {
+        copyData = selected.toCopyData();
+        copyWorkspace = workspace;
+        copyCoords = isDraggable(selected)
+          ? selected.getRelativeToSurfaceXY()
+          : null;
+        selected.dispose();
+        return true;
+      }
+      return false;
+    },
+    keyCodes: [ctrlX, altX, metaX],
+  };
+
+  ShortcutRegistry.registry.register(cutShortcut);
+}
+
+/**
+ * Keyboard shortcut to paste a block on ctrl+v, cmd+v, or alt+v.
+ */
+export function registerPaste() {
+  const ctrlV = ShortcutRegistry.registry.createSerializedKey(KeyCodes.V, [
+    KeyCodes.CTRL,
+  ]);
+  const altV = ShortcutRegistry.registry.createSerializedKey(KeyCodes.V, [
+    KeyCodes.ALT,
+  ]);
+  const metaV = ShortcutRegistry.registry.createSerializedKey(KeyCodes.V, [
+    KeyCodes.META,
+  ]);
+
+  const pasteShortcut: KeyboardShortcut = {
+    name: names.PASTE,
+    preconditionFn(workspace) {
+      return !workspace.options.readOnly && !Gesture.inProgress();
+    },
+    callback() {
+      if (!copyData || !copyWorkspace) return false;
+      if (!copyCoords) {
+        // If we don't have location data about the original copyable, let the
+        // paster determine position.
+        return !!clipboard.paste(copyData, copyWorkspace);
+      }
+
+      const {left, top, width, height} = copyWorkspace
+        .getMetricsManager()
+        .getViewMetrics(true);
+      const viewportRect = new Rect(top, top + height, left, left + width);
+
+      if (viewportRect.contains(copyCoords.x, copyCoords.y)) {
+        // If the original copyable is inside the viewport, let the paster
+        // determine position.
+        return !!clipboard.paste(copyData, copyWorkspace);
+      }
+
+      // Otherwise, paste in the middle of the viewport.
+      const centerCoords = new Coordinate(left + width / 2, top + height / 2);
+      return !!clipboard.paste(copyData, copyWorkspace, centerCoords);
+    },
+    keyCodes: [ctrlV, altV, metaV],
+  };
+
+  ShortcutRegistry.registry.register(pasteShortcut);
+}
+
+/**
+ * Keyboard shortcut to undo the previous action on ctrl+z, cmd+z, or alt+z.
+ */
+export function registerUndo() {
+  const ctrlZ = ShortcutRegistry.registry.createSerializedKey(KeyCodes.Z, [
+    KeyCodes.CTRL,
+  ]);
+  const altZ = ShortcutRegistry.registry.createSerializedKey(KeyCodes.Z, [
+    KeyCodes.ALT,
+  ]);
+  const metaZ = ShortcutRegistry.registry.createSerializedKey(KeyCodes.Z, [
+    KeyCodes.META,
+  ]);
+
+  const undoShortcut: KeyboardShortcut = {
+    name: names.UNDO,
+    preconditionFn(workspace) {
+      return !workspace.options.readOnly && !Gesture.inProgress();
+    },
+    callback(workspace, e) {
+      // 'z' for undo 'Z' is for redo.
+      (workspace as WorkspaceSvg).hideChaff();
+      workspace.undo(false);
+      e.preventDefault();
+      return true;
+    },
+    keyCodes: [ctrlZ, altZ, metaZ],
+  };
+  ShortcutRegistry.registry.register(undoShortcut);
+}
+
+/**
+ * Keyboard shortcut to redo the previous action on ctrl+shift+z, cmd+shift+z,
+ * or alt+shift+z.
+ */
+export function registerRedo() {
+  const ctrlShiftZ = ShortcutRegistry.registry.createSerializedKey(KeyCodes.Z, [
+    KeyCodes.SHIFT,
+    KeyCodes.CTRL,
+  ]);
+  const altShiftZ = ShortcutRegistry.registry.createSerializedKey(KeyCodes.Z, [
+    KeyCodes.SHIFT,
+    KeyCodes.ALT,
+  ]);
+  const metaShiftZ = ShortcutRegistry.registry.createSerializedKey(KeyCodes.Z, [
+    KeyCodes.SHIFT,
+    KeyCodes.META,
+  ]);
+  // Ctrl-y is redo in Windows.  Command-y is never valid on Macs.
+  const ctrlY = ShortcutRegistry.registry.createSerializedKey(KeyCodes.Y, [
+    KeyCodes.CTRL,
+  ]);
+
+  const redoShortcut: KeyboardShortcut = {
+    name: names.REDO,
+    preconditionFn(workspace) {
+      return !Gesture.inProgress() && !workspace.options.readOnly;
+    },
+    callback(workspace, e) {
+      // 'z' for undo 'Z' is for redo.
+      (workspace as WorkspaceSvg).hideChaff();
+      workspace.undo(true);
+      e.preventDefault();
+      return true;
+    },
+    keyCodes: [ctrlShiftZ, altShiftZ, metaShiftZ, ctrlY],
+  };
+  ShortcutRegistry.registry.register(redoShortcut);
+}
+
+/**
+ * Registers all default keyboard shortcut item. This should be called once per
+ * instance of KeyboardShortcutRegistry.
+ *
+ * @internal
+ */
+export function registerDefaultShortcuts() {
+  registerEscape();
+  registerDelete();
+  registerCopy();
+  registerCut();
+  registerPaste();
+  registerUndo();
+  registerRedo();
+}
+
+registerDefaultShortcuts();
diff --git a/core/shortcut_registry.ts b/core/shortcut_registry.ts
new file mode 100644
index 00000000000..161a2ed1495
--- /dev/null
+++ b/core/shortcut_registry.ts
@@ -0,0 +1,368 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * The namespace used to keep track of keyboard shortcuts and the
+ * key codes used to execute those shortcuts.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.ShortcutRegistry
+
+import {KeyCodes} from './utils/keycodes.js';
+import * as object from './utils/object.js';
+import {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * Class for the registry of keyboard shortcuts. This is intended to be a
+ * singleton. You should not create a new instance, and only access this class
+ * from ShortcutRegistry.registry.
+ */
+export class ShortcutRegistry {
+  static readonly registry = new ShortcutRegistry();
+
+  /** Registry of all keyboard shortcuts, keyed by name of shortcut. */
+  private shortcuts = new Map<string, KeyboardShortcut>();
+
+  /** Map of key codes to an array of shortcut names. */
+  private keyMap = new Map<string, string[]>();
+
+  /** Resets the existing ShortcutRegistry singleton. */
+  private constructor() {
+    this.reset();
+  }
+
+  /** Clear and recreate the registry and keyMap. */
+  reset() {
+    this.shortcuts.clear();
+    this.keyMap.clear();
+  }
+
+  /**
+   * Registers a keyboard shortcut.
+   *
+   * @param shortcut The shortcut for this key code.
+   * @param opt_allowOverrides True to prevent a warning when overriding an
+   *     already registered item.
+   * @throws {Error} if a shortcut with the same name already exists.
+   */
+  register(shortcut: KeyboardShortcut, opt_allowOverrides?: boolean) {
+    const registeredShortcut = this.shortcuts.get(shortcut.name);
+    if (registeredShortcut && !opt_allowOverrides) {
+      throw new Error(`Shortcut named "${shortcut.name}" already exists.`);
+    }
+    this.shortcuts.set(shortcut.name, shortcut);
+
+    const keyCodes = shortcut.keyCodes;
+    if (keyCodes && keyCodes.length > 0) {
+      for (let i = 0; i < keyCodes.length; i++) {
+        this.addKeyMapping(
+          keyCodes[i],
+          shortcut.name,
+          !!shortcut.allowCollision,
+        );
+      }
+    }
+  }
+
+  /**
+   * Unregisters a keyboard shortcut registered with the given key code. This
+   * will also remove any key mappings that reference this shortcut.
+   *
+   * @param shortcutName The name of the shortcut to unregister.
+   * @returns True if an item was unregistered, false otherwise.
+   */
+  unregister(shortcutName: string): boolean {
+    const shortcut = this.shortcuts.get(shortcutName);
+
+    if (!shortcut) {
+      console.warn(`Keyboard shortcut named "${shortcutName}" not found.`);
+      return false;
+    }
+
+    this.removeAllKeyMappings(shortcutName);
+
+    this.shortcuts.delete(shortcutName);
+    return true;
+  }
+
+  /**
+   * Adds a mapping between a keycode and a keyboard shortcut.
+   *
+   * @param keyCode The key code for the keyboard shortcut. If registering a key
+   *     code with a modifier (ex: ctrl+c) use
+   *     ShortcutRegistry.registry.createSerializedKey;
+   * @param shortcutName The name of the shortcut to execute when the given
+   *     keycode is pressed.
+   * @param opt_allowCollision True to prevent an error when adding a shortcut
+   *     to a key that is already mapped to a shortcut.
+   * @throws {Error} if the given key code is already mapped to a shortcut.
+   */
+  addKeyMapping(
+    keyCode: string | number | KeyCodes,
+    shortcutName: string,
+    opt_allowCollision?: boolean,
+  ) {
+    keyCode = `${keyCode}`;
+    const shortcutNames = this.keyMap.get(keyCode);
+    if (shortcutNames && !opt_allowCollision) {
+      throw new Error(
+        `Shortcut named "${shortcutName}" collides with shortcuts "${shortcutNames}"`,
+      );
+    } else if (shortcutNames && opt_allowCollision) {
+      shortcutNames.unshift(shortcutName);
+    } else {
+      this.keyMap.set(keyCode, [shortcutName]);
+    }
+  }
+
+  /**
+   * Removes a mapping between a keycode and a keyboard shortcut.
+   *
+   * @param keyCode The key code for the keyboard shortcut. If registering a key
+   *     code with a modifier (ex: ctrl+c) use
+   *     ShortcutRegistry.registry.createSerializedKey;
+   * @param shortcutName The name of the shortcut to execute when the given
+   *     keycode is pressed.
+   * @param opt_quiet True to not console warn when there is no shortcut to
+   *     remove.
+   * @returns True if a key mapping was removed, false otherwise.
+   */
+  removeKeyMapping(
+    keyCode: string,
+    shortcutName: string,
+    opt_quiet?: boolean,
+  ): boolean {
+    const shortcutNames = this.keyMap.get(keyCode);
+
+    if (!shortcutNames) {
+      if (!opt_quiet) {
+        console.warn(
+          `No keyboard shortcut named "${shortcutName}" registered with key code "${keyCode}"`,
+        );
+      }
+      return false;
+    }
+
+    const shortcutIdx = shortcutNames.indexOf(shortcutName);
+    if (shortcutIdx > -1) {
+      shortcutNames.splice(shortcutIdx, 1);
+      if (shortcutNames.length === 0) {
+        this.keyMap.delete(keyCode);
+      }
+      return true;
+    }
+    if (!opt_quiet) {
+      console.warn(
+        `No keyboard shortcut named "${shortcutName}" registered with key code "${keyCode}"`,
+      );
+    }
+    return false;
+  }
+
+  /**
+   * Removes all the key mappings for a shortcut with the given name.
+   * Useful when changing the default key mappings and the key codes registered
+   * to the shortcut are unknown.
+   *
+   * @param shortcutName The name of the shortcut to remove from the key map.
+   */
+  removeAllKeyMappings(shortcutName: string) {
+    for (const keyCode of this.keyMap.keys()) {
+      this.removeKeyMapping(keyCode, shortcutName, true);
+    }
+  }
+
+  /**
+   * Sets the key map. Setting the key map will override any default key
+   * mappings.
+   *
+   * @param newKeyMap The object with key code to shortcut names.
+   */
+  setKeyMap(newKeyMap: {[key: string]: string[]}) {
+    this.keyMap.clear();
+    for (const key in newKeyMap) {
+      this.keyMap.set(key, newKeyMap[key]);
+    }
+  }
+
+  /**
+   * Gets the current key map.
+   *
+   * @returns The object holding key codes to ShortcutRegistry.KeyboardShortcut.
+   */
+  getKeyMap(): {[key: string]: string[]} {
+    const legacyKeyMap: {[key: string]: string[]} = Object.create(null);
+    for (const [key, value] of this.keyMap) {
+      legacyKeyMap[key] = value;
+    }
+    return legacyKeyMap;
+  }
+
+  /**
+   * Gets the registry of keyboard shortcuts.
+   *
+   * @returns The registry of keyboard shortcuts.
+   */
+  getRegistry(): {[key: string]: KeyboardShortcut} {
+    const legacyRegistry: {[key: string]: KeyboardShortcut} =
+      Object.create(null);
+    for (const [key, value] of this.shortcuts) {
+      legacyRegistry[key] = value;
+    }
+    return object.deepMerge(Object.create(null), legacyRegistry);
+  }
+
+  /**
+   * Handles key down events.
+   *
+   * @param workspace The main workspace where the event was captured.
+   * @param e The key down event.
+   * @returns True if the event was handled, false otherwise.
+   */
+  onKeyDown(workspace: WorkspaceSvg, e: KeyboardEvent): boolean {
+    const key = this.serializeKeyEvent_(e);
+    const shortcutNames = this.getShortcutNamesByKeyCode(key);
+    if (!shortcutNames) {
+      return false;
+    }
+    for (let i = 0, shortcutName; (shortcutName = shortcutNames[i]); i++) {
+      const shortcut = this.shortcuts.get(shortcutName);
+      if (!shortcut?.preconditionFn || shortcut?.preconditionFn(workspace)) {
+        // If the key has been handled, stop processing shortcuts.
+        if (shortcut?.callback && shortcut?.callback(workspace, e, shortcut)) {
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+
+  /**
+   * Gets the shortcuts registered to the given key code.
+   *
+   * @param keyCode The serialized key code.
+   * @returns The list of shortcuts to call when the given keyCode is used.
+   *     Undefined if no shortcuts exist.
+   */
+  getShortcutNamesByKeyCode(keyCode: string): string[] | undefined {
+    return this.keyMap.get(keyCode) || [];
+  }
+
+  /**
+   * Gets the serialized key codes that the shortcut with the given name is
+   * registered under.
+   *
+   * @param shortcutName The name of the shortcut.
+   * @returns An array with all the key codes the shortcut is registered under.
+   */
+  getKeyCodesByShortcutName(shortcutName: string): string[] {
+    const keys = [];
+    for (const [keyCode, shortcuts] of this.keyMap) {
+      const shortcutIdx = shortcuts.indexOf(shortcutName);
+      if (shortcutIdx > -1) {
+        keys.push(keyCode);
+      }
+    }
+    return keys;
+  }
+
+  /**
+   * Serializes a key event.
+   *
+   * @param e A key down event.
+   * @returns The serialized key code for the given event.
+   */
+  private serializeKeyEvent_(e: KeyboardEvent): string {
+    let serializedKey = '';
+    for (const modifier in ShortcutRegistry.modifierKeys) {
+      if (e.getModifierState(modifier)) {
+        if (serializedKey !== '') {
+          serializedKey += '+';
+        }
+        serializedKey += modifier;
+      }
+    }
+    if (serializedKey !== '' && e.keyCode) {
+      serializedKey += '+' + e.keyCode;
+    } else if (e.keyCode) {
+      serializedKey = String(e.keyCode);
+    }
+    return serializedKey;
+  }
+
+  /**
+   * Checks whether any of the given modifiers are not valid.
+   *
+   * @param modifiers List of modifiers to be used with the key.
+   * @throws {Error} if the modifier is not in the valid modifiers list.
+   */
+  private checkModifiers_(modifiers: KeyCodes[]) {
+    for (let i = 0, modifier; (modifier = modifiers[i]); i++) {
+      if (!(modifier in ShortcutRegistry.modifierKeys)) {
+        throw new Error(modifier + ' is not a valid modifier key.');
+      }
+    }
+  }
+
+  /**
+   * Creates the serialized key code that will be used in the key map.
+   *
+   * @param keyCode Number code representing the key.
+   * @param modifiers List of modifier key codes to be used with the key. All
+   *     valid modifiers can be found in the ShortcutRegistry.modifierKeys.
+   * @returns The serialized key code for the given modifiers and key.
+   */
+  createSerializedKey(keyCode: number, modifiers: KeyCodes[] | null): string {
+    let serializedKey = '';
+
+    if (modifiers) {
+      this.checkModifiers_(modifiers);
+      for (const modifier in ShortcutRegistry.modifierKeys) {
+        const modifierKeyCode = (
+          ShortcutRegistry.modifierKeys as AnyDuringMigration
+        )[modifier];
+        if (modifiers.includes(modifierKeyCode)) {
+          if (serializedKey !== '') {
+            serializedKey += '+';
+          }
+          serializedKey += modifier;
+        }
+      }
+    }
+
+    if (serializedKey !== '' && keyCode) {
+      serializedKey += '+' + keyCode;
+    } else if (keyCode) {
+      serializedKey = `${keyCode}`;
+    }
+    return serializedKey;
+  }
+}
+
+export namespace ShortcutRegistry {
+  export interface KeyboardShortcut {
+    callback?: (p1: WorkspaceSvg, p2: Event, p3: KeyboardShortcut) => boolean;
+    name: string;
+    preconditionFn?: (p1: WorkspaceSvg) => boolean;
+    metadata?: object;
+    keyCodes?: (number | string)[];
+    allowCollision?: boolean;
+  }
+
+  /** Supported modifiers. */
+  export enum modifierKeys {
+    Shift = KeyCodes.SHIFT,
+    Control = KeyCodes.CTRL,
+    Alt = KeyCodes.ALT,
+    Meta = KeyCodes.META,
+  }
+}
+
+export type KeyboardShortcut = ShortcutRegistry.KeyboardShortcut;
+// No need to export ShorcutRegistry.modifierKeys from the module at this time
+// because (1) it wasn't automatically converted by the automatic migration
+// script, (2) the name doesn't follow the styleguide.
diff --git a/core/sprites.ts b/core/sprites.ts
new file mode 100644
index 00000000000..41933de3dae
--- /dev/null
+++ b/core/sprites.ts
@@ -0,0 +1,15 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Contains the path to a single png tat holds the images for the trashcan
+ * as well as the zoom controls.
+ */
+export const SPRITE = {
+  width: 96,
+  height: 124,
+  url: 'sprites.png',
+};
diff --git a/core/theme.js b/core/theme.js
deleted file mode 100644
index 1304e03fad4..00000000000
--- a/core/theme.js
+++ /dev/null
@@ -1,236 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The class representing a theme.
- */
-'use strict';
-
-goog.provide('Blockly.Theme');
-
-goog.require('Blockly.registry');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.colour');
-goog.require('Blockly.utils.object');
-
-
-/**
- * Class for a theme.
- * @param {string} name Theme name.
- * @param {!Object.<string, Blockly.Theme.BlockStyle>=} opt_blockStyles A map
- *     from style names (strings) to objects with style attributes for blocks.
- * @param {!Object.<string, Blockly.Theme.CategoryStyle>=} opt_categoryStyles A
- *     map from style names (strings) to objects with style attributes for
- *     categories.
- * @param {!Blockly.Theme.ComponentStyle=} opt_componentStyles A map of Blockly
- *     component names to style value.
- * @constructor
- */
-Blockly.Theme = function(name, opt_blockStyles, opt_categoryStyles,
-    opt_componentStyles) {
-
-  /**
-   * The theme name. This can be used to reference a specific theme in CSS.
-   * @type {string}
-   */
-  this.name = name;
-
-  /**
-   * The block styles map.
-   * @type {!Object.<string, !Blockly.Theme.BlockStyle>}
-   * @package
-   */
-  this.blockStyles = opt_blockStyles || Object.create(null);
-
-  /**
-   * The category styles map.
-   * @type {!Object.<string, Blockly.Theme.CategoryStyle>}
-   * @package
-   */
-  this.categoryStyles = opt_categoryStyles || Object.create(null);
-
-  /**
-   * The UI components styles map.
-   * @type {!Blockly.Theme.ComponentStyle}
-   * @package
-   */
-  this.componentStyles = opt_componentStyles ||
-    (/** @type {Blockly.Theme.ComponentStyle} */ (Object.create(null)));
-
-  /**
-   * The font style.
-   * @type {!Blockly.Theme.FontStyle}
-   * @package
-   */
-  this.fontStyle = /** @type {Blockly.Theme.FontStyle} */ (Object.create(null));
-
-  /**
-   * Whether or not to add a 'hat' on top of all blocks with no previous or
-   * output connections.
-   * @type {?boolean}
-   * @package
-   */
-  this.startHats = null;
-
-  // Register the theme by name.
-  Blockly.registry.register(Blockly.registry.Type.THEME, name, this);
-};
-
-/**
- * A block style.
- * @typedef {{
- *            colourPrimary:string,
- *            colourSecondary:string,
- *            colourTertiary:string,
- *            hat:string
- *          }}
- */
-Blockly.Theme.BlockStyle;
-
-/**
- * A category style.
- * @typedef {{
- *            colour:string
- *          }}
- */
-Blockly.Theme.CategoryStyle;
-
-/**
- * A component style.
- * @typedef {{
- *            workspaceBackgroundColour:?string,
- *            toolboxBackgroundColour:?string,
- *            toolboxForegroundColour:?string,
- *            flyoutBackgroundColour:?string,
- *            flyoutForegroundColour:?string,
- *            flyoutOpacity:?number,
- *            scrollbarColour:?string,
- *            scrollbarOpacity:?number,
- *            insertionMarkerColour:?string,
- *            insertionMarkerOpacity:?number,
- *            markerColour:?string,
- *            cursorColour:?string,
- *            selectedGlowColour:?string,
- *            selectedGlowOpacity:?number,
- *            replacementGlowColour:?string,
- *            replacementGlowOpacity:?number
- *          }}
- */
-Blockly.Theme.ComponentStyle;
-
-/**
- * A font style.
- * @typedef {{
- *            family:?string,
- *            weight:?string,
- *            size:?number
- *          }}
- */
-Blockly.Theme.FontStyle;
-
-/**
- * Gets the class name that identifies this theme.
- * @return {string} The CSS class name.
- * @package
- */
-Blockly.Theme.prototype.getClassName = function() {
-  return this.name + '-theme';
-};
-
-/**
- * Overrides or adds a style to the blockStyles map.
- * @param {string} blockStyleName The name of the block style.
- * @param {Blockly.Theme.BlockStyle} blockStyle The block style.
-*/
-Blockly.Theme.prototype.setBlockStyle = function(blockStyleName, blockStyle) {
-  this.blockStyles[blockStyleName] = blockStyle;
-};
-
-/**
- * Overrides or adds a style to the categoryStyles map.
- * @param {string} categoryStyleName The name of the category style.
- * @param {Blockly.Theme.CategoryStyle} categoryStyle The category style.
-*/
-Blockly.Theme.prototype.setCategoryStyle = function(categoryStyleName,
-    categoryStyle) {
-  this.categoryStyles[categoryStyleName] = categoryStyle;
-};
-
-/**
- * Gets the style for a given Blockly UI component.  If the style value is a
- * string, we attempt to find the value of any named references.
- * @param {string} componentName The name of the component.
- * @return {?string} The style value.
- */
-Blockly.Theme.prototype.getComponentStyle = function(componentName) {
-  var style = this.componentStyles[componentName];
-  if (style && typeof style == 'string' &&
-      this.getComponentStyle(/** @type {string} */ (style))) {
-    return this.getComponentStyle(/** @type {string} */ (style));
-  }
-  return style ? String(style) : null;
-};
-
-/**
- * Configure a specific Blockly UI component with a style value.
- * @param {string} componentName The name of the component.
- * @param {*} styleValue The style value.
-*/
-Blockly.Theme.prototype.setComponentStyle = function(componentName,
-    styleValue) {
-  this.componentStyles[componentName] = styleValue;
-};
-
-/**
- * Configure a theme's font style.
- * @param {Blockly.Theme.FontStyle} fontStyle The font style.
-*/
-Blockly.Theme.prototype.setFontStyle = function(fontStyle) {
-  this.fontStyle = fontStyle;
-};
-
-/**
- * Configure a theme's start hats.
- * @param {boolean} startHats True if the theme enables start hats, false
- *     otherwise.
-*/
-Blockly.Theme.prototype.setStartHats = function(startHats) {
-  this.startHats = startHats;
-};
-
-/**
- * Define a new Blockly theme.
- * @param {string} name The name of the theme.
- * @param {!Object} themeObj An object containing theme properties.
- * @return {!Blockly.Theme} A new Blockly theme.
-*/
-Blockly.Theme.defineTheme = function(name, themeObj) {
-  var theme = new Blockly.Theme(name);
-  var base = themeObj['base'];
-  if (base) {
-    if (typeof base == "string") {
-      base = Blockly.registry.getObject(Blockly.registry.Type.THEME, base);
-    }
-    if (base instanceof Blockly.Theme) {
-      Blockly.utils.object.deepMerge(theme, base);
-      theme.name = name;
-    }
-  }
-
-  Blockly.utils.object.deepMerge(theme.blockStyles,
-      themeObj['blockStyles']);
-  Blockly.utils.object.deepMerge(theme.categoryStyles,
-      themeObj['categoryStyles']);
-  Blockly.utils.object.deepMerge(theme.componentStyles,
-      themeObj['componentStyles']);
-  Blockly.utils.object.deepMerge(theme.fontStyle,
-      themeObj['fontStyle']);
-  if (themeObj['startHats'] != null) {
-    theme.startHats = themeObj['startHats'];
-  }
-
-  return theme;
-};
diff --git a/core/theme.ts b/core/theme.ts
new file mode 100644
index 00000000000..e52eb1da9b3
--- /dev/null
+++ b/core/theme.ts
@@ -0,0 +1,232 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * The class representing a theme.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Theme
+
+import * as registry from './registry.js';
+import * as object from './utils/object.js';
+
+export interface ITheme {
+  blockStyles?: {[key: string]: Partial<BlockStyle>};
+  categoryStyles?: {[key: string]: CategoryStyle};
+  componentStyles?: ComponentStyle;
+  fontStyle?: FontStyle;
+  startHats?: boolean;
+  base?: string | Theme;
+  name: string;
+}
+
+/**
+ * Class for a theme.
+ */
+export class Theme implements ITheme {
+  /** @internal */
+  blockStyles: {[key: string]: BlockStyle};
+  /** @internal */
+  categoryStyles: {[key: string]: CategoryStyle};
+  /** @internal */
+  componentStyles: ComponentStyle;
+  /** @internal */
+  fontStyle: FontStyle;
+
+  /**
+   * Whether or not to add a 'hat' on top of all blocks with no previous or
+   * output connections.
+   *
+   * @internal
+   */
+  startHats?: boolean = false;
+
+  /**
+   * @param name Theme name.
+   * @param opt_blockStyles A map from style names (strings) to objects with
+   *     style attributes for blocks.
+   * @param opt_categoryStyles A map from style names (strings) to objects with
+   *     style attributes for categories.
+   * @param opt_componentStyles A map of Blockly component names to style value.
+   */
+  constructor(
+    public name: string,
+    opt_blockStyles?: {[key: string]: Partial<BlockStyle>},
+    opt_categoryStyles?: {[key: string]: CategoryStyle},
+    opt_componentStyles?: ComponentStyle,
+  ) {
+    /** The block styles map. */
+    this.blockStyles = opt_blockStyles || Object.create(null);
+
+    /** The category styles map. */
+    this.categoryStyles = opt_categoryStyles || Object.create(null);
+
+    /** The UI components styles map. */
+    this.componentStyles =
+      opt_componentStyles || (Object.create(null) as ComponentStyle);
+
+    /** The font style. */
+    this.fontStyle = Object.create(null) as FontStyle;
+
+    // Register the theme by name.
+    registry.register(registry.Type.THEME, name, this, true);
+  }
+
+  /**
+   * Gets the class name that identifies this theme.
+   *
+   * @returns The CSS class name.
+   * @internal
+   */
+  getClassName(): string {
+    return this.name + '-theme';
+  }
+
+  /**
+   * Overrides or adds a style to the blockStyles map.
+   *
+   * @param blockStyleName The name of the block style.
+   * @param blockStyle The block style.
+   */
+  setBlockStyle(blockStyleName: string, blockStyle: BlockStyle) {
+    this.blockStyles[blockStyleName] = blockStyle;
+  }
+
+  /**
+   * Overrides or adds a style to the categoryStyles map.
+   *
+   * @param categoryStyleName The name of the category style.
+   * @param categoryStyle The category style.
+   */
+  setCategoryStyle(categoryStyleName: string, categoryStyle: CategoryStyle) {
+    this.categoryStyles[categoryStyleName] = categoryStyle;
+  }
+
+  /**
+   * Gets the style for a given Blockly UI component.  If the style value is a
+   * string, we attempt to find the value of any named references.
+   *
+   * @param componentName The name of the component.
+   * @returns The style value.
+   */
+  getComponentStyle(componentName: string): string | null {
+    const style = (this.componentStyles as AnyDuringMigration)[componentName];
+    if (!style) {
+      return null;
+    }
+    if (typeof style === 'string') {
+      const recursiveStyle = this.getComponentStyle(style);
+      if (recursiveStyle) {
+        return recursiveStyle;
+      }
+    }
+    return `${style}`;
+  }
+
+  /**
+   * Configure a specific Blockly UI component with a style value.
+   *
+   * @param componentName The name of the component.
+   * @param styleValue The style value.
+   */
+  setComponentStyle(componentName: string, styleValue: AnyDuringMigration) {
+    (this.componentStyles as AnyDuringMigration)[componentName] = styleValue;
+  }
+
+  /**
+   * Configure a theme's font style.
+   *
+   * @param fontStyle The font style.
+   */
+  setFontStyle(fontStyle: FontStyle) {
+    this.fontStyle = fontStyle;
+  }
+
+  /**
+   * Configure a theme's start hats.
+   *
+   * @param startHats True if the theme enables start hats, false otherwise.
+   */
+  setStartHats(startHats: boolean) {
+    this.startHats = startHats;
+  }
+
+  /**
+   * Define a new Blockly theme.
+   *
+   * @param name The name of the theme.
+   * @param themeObj An object containing theme properties.
+   * @returns A new Blockly theme.
+   */
+  static defineTheme(name: string, themeObj: ITheme): Theme {
+    name = name.toLowerCase();
+    const theme = new Theme(name);
+    let base = themeObj['base'];
+    if (base) {
+      if (typeof base === 'string') {
+        base = registry.getObject(registry.Type.THEME, base) ?? undefined;
+      }
+      if (base instanceof Theme) {
+        object.deepMerge(theme, base);
+        theme.name = name;
+      }
+    }
+
+    object.deepMerge(theme.blockStyles, themeObj['blockStyles']);
+    object.deepMerge(theme.categoryStyles, themeObj['categoryStyles']);
+    object.deepMerge(theme.componentStyles, themeObj['componentStyles']);
+    object.deepMerge(theme.fontStyle, themeObj['fontStyle']);
+    if (themeObj['startHats'] !== null) {
+      theme.startHats = themeObj['startHats'];
+    }
+
+    return theme;
+  }
+}
+
+export namespace Theme {
+  export interface BlockStyle {
+    colourPrimary: string;
+    colourSecondary: string;
+    colourTertiary: string;
+    hat: string;
+  }
+
+  export interface CategoryStyle {
+    colour: string;
+  }
+
+  export interface ComponentStyle {
+    workspaceBackgroundColour?: string;
+    toolboxBackgroundColour?: string;
+    toolboxForegroundColour?: string;
+    flyoutBackgroundColour?: string;
+    flyoutForegroundColour?: string;
+    flyoutOpacity?: number;
+    scrollbarColour?: string;
+    scrollbarOpacity?: number;
+    insertionMarkerColour?: string;
+    insertionMarkerOpacity?: number;
+    markerColour?: string;
+    cursorColour?: string;
+    selectedGlowColour?: string;
+    selectedGlowOpacity?: number;
+    replacementGlowColour?: string;
+    replacementGlowOpacity?: number;
+  }
+
+  export interface FontStyle {
+    family?: string;
+    weight?: string;
+    size?: number;
+  }
+}
+
+export type BlockStyle = Theme.BlockStyle;
+export type CategoryStyle = Theme.CategoryStyle;
+export type ComponentStyle = Theme.ComponentStyle;
+export type FontStyle = Theme.FontStyle;
diff --git a/core/theme/classic.js b/core/theme/classic.js
deleted file mode 100644
index 5c128eb189a..00000000000
--- a/core/theme/classic.js
+++ /dev/null
@@ -1,87 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Classic theme.
- * Contains multi-coloured border to create shadow effect.
- */
-'use strict';
-
-goog.provide('Blockly.Themes.Classic');
-
-goog.require('Blockly.Theme');
-
-
-// Temporary holding object.
-Blockly.Themes.Classic = {};
-
-Blockly.Themes.Classic.defaultBlockStyles = {
-  "colour_blocks": {
-    "colourPrimary": "20"
-  },
-  "list_blocks": {
-    "colourPrimary": "260"
-  },
-  "logic_blocks": {
-    "colourPrimary": "210"
-  },
-  "loop_blocks": {
-    "colourPrimary": "120"
-  },
-  "math_blocks": {
-    "colourPrimary": "230"
-  },
-  "procedure_blocks": {
-    "colourPrimary": "290"
-  },
-  "text_blocks": {
-    "colourPrimary": "160"
-  },
-  "variable_blocks": {
-    "colourPrimary": "330"
-  },
-  "variable_dynamic_blocks": {
-    "colourPrimary": "310"
-  },
-  "hat_blocks": {
-    "colourPrimary": "330",
-    "hat": "cap"
-  }
-};
-
-Blockly.Themes.Classic.categoryStyles = {
-  "colour_category": {
-    "colour": "20"
-  },
-  "list_category": {
-    "colour": "260"
-  },
-  "logic_category": {
-    "colour": "210"
-  },
-  "loop_category": {
-    "colour": "120"
-  },
-  "math_category": {
-    "colour": "230"
-  },
-  "procedure_category": {
-    "colour": "290"
-  },
-  "text_category": {
-    "colour": "160"
-  },
-  "variable_category": {
-    "colour": "330"
-  },
-  "variable_dynamic_category": {
-    "colour": "310"
-  }
-};
-
-Blockly.Themes.Classic =
-    new Blockly.Theme('classic', Blockly.Themes.Classic.defaultBlockStyles,
-        Blockly.Themes.Classic.categoryStyles);
diff --git a/core/theme/classic.ts b/core/theme/classic.ts
new file mode 100644
index 00000000000..440115b92d5
--- /dev/null
+++ b/core/theme/classic.ts
@@ -0,0 +1,40 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Themes.Classic
+
+import {Theme} from '../theme.js';
+
+const defaultBlockStyles = {
+  'colour_blocks': {'colourPrimary': '20'},
+  'list_blocks': {'colourPrimary': '260'},
+  'logic_blocks': {'colourPrimary': '210'},
+  'loop_blocks': {'colourPrimary': '120'},
+  'math_blocks': {'colourPrimary': '230'},
+  'procedure_blocks': {'colourPrimary': '290'},
+  'text_blocks': {'colourPrimary': '160'},
+  'variable_blocks': {'colourPrimary': '330'},
+  'variable_dynamic_blocks': {'colourPrimary': '310'},
+  'hat_blocks': {'colourPrimary': '330', 'hat': 'cap'},
+};
+
+const categoryStyles = {
+  'colour_category': {'colour': '20'},
+  'list_category': {'colour': '260'},
+  'logic_category': {'colour': '210'},
+  'loop_category': {'colour': '120'},
+  'math_category': {'colour': '230'},
+  'procedure_category': {'colour': '290'},
+  'text_category': {'colour': '160'},
+  'variable_category': {'colour': '330'},
+  'variable_dynamic_category': {'colour': '310'},
+};
+
+/**
+ * Classic theme.
+ * Contains multi-coloured border to create shadow effect.
+ */
+export const Classic = new Theme('classic', defaultBlockStyles, categoryStyles);
diff --git a/core/theme/dark.js b/core/theme/dark.js
deleted file mode 100644
index 398497660da..00000000000
--- a/core/theme/dark.js
+++ /dev/null
@@ -1,33 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Dark theme.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.Themes.Dark');
-
-goog.require('Blockly.Theme');
-
-Blockly.Themes.Dark = Blockly.Theme.defineTheme('dark', {
-  'base': Blockly.Themes.Classic,
-  'componentStyles': {
-    'workspaceBackgroundColour': '#1e1e1e',
-    'toolboxBackgroundColour': 'blackBackground',
-    'toolboxForegroundColour': '#fff',
-    'flyoutBackgroundColour': '#252526',
-    'flyoutForegroundColour': '#ccc',
-    'flyoutOpacity': 1,
-    'scrollbarColour': '#797979',
-    'insertionMarkerColour': '#fff',
-    'insertionMarkerOpacity': 0.3,
-    'scrollbarOpacity': 0.4,
-    'cursorColour': '#d0d0d0',
-    'blackBackground': '#333'
-  }
-});
diff --git a/core/theme/deuteranopia.js b/core/theme/deuteranopia.js
deleted file mode 100644
index 94deac221dd..00000000000
--- a/core/theme/deuteranopia.js
+++ /dev/null
@@ -1,104 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Deuteranopia theme.
- * A colour palette for people that have deuteranopia (the inability to perceive
- * green light). This can also be used for people that have protanopia (the
- * inability to perceive red light).
- */
-'use strict';
-
-goog.provide('Blockly.Themes.Deuteranopia');
-
-goog.require('Blockly.Theme');
-
-
-// Temporary holding object.
-Blockly.Themes.Deuteranopia = {};
-
-Blockly.Themes.Deuteranopia.defaultBlockStyles = {
-  "colour_blocks": {
-    "colourPrimary": "#f2a72c",
-    "colourSecondary": "#f1c172",
-    "colourTertiary": "#da921c"
-  },
-  "list_blocks": {
-    "colourPrimary": "#7d65ab",
-    "colourSecondary": "#a88be0",
-    "colourTertiary": "#66518e"
-  },
-  "logic_blocks": {
-    "colourPrimary": "#9fd2f1",
-    "colourSecondary": "#c0e0f4",
-    "colourTertiary": "#74bae5"
-  },
-  "loop_blocks": {
-    "colourPrimary": "#795a07",
-    "colourSecondary": "#ac8726",
-    "colourTertiary": "#c4a03f"
-  },
-  "math_blocks": {
-    "colourPrimary": "#e6da39",
-    "colourSecondary": "#f3ec8e",
-    "colourTertiary": "#f2eeb7"
-  },
-  "procedure_blocks": {
-    "colourPrimary": "#590721",
-    "colourSecondary": "#8c475d",
-    "colourTertiary": "#885464"
-  },
-  "text_blocks": {
-    "colourPrimary": "#058863",
-    "colourSecondary": "#5ecfaf",
-    "colourTertiary": "#04684c"
-  },
-  "variable_blocks": {
-    "colourPrimary": "#47025a",
-    "colourSecondary": "#820fa1",
-    "colourTertiary": "#8e579d"
-  },
-  "variable_dynamic_blocks": {
-    "colourPrimary": "#47025a",
-    "colourSecondary": "#820fa1",
-    "colourTertiary": "#8e579d"
-  }
-};
-
-Blockly.Themes.Deuteranopia.categoryStyles = {
-  "colour_category": {
-    "colour": "#f2a72c"
-  },
-  "list_category": {
-    "colour": "#7d65ab"
-  },
-  "logic_category": {
-    "colour": "#9fd2f1"
-  },
-  "loop_category": {
-    "colour": "#795a07"
-  },
-  "math_category": {
-    "colour": "#e6da39"
-  },
-  "procedure_category": {
-    "colour": "#590721"
-  },
-  "text_category": {
-    "colour": "#058863"
-  },
-  "variable_category": {
-    "colour": "#47025a"
-  },
-  "variable_dynamic_category": {
-    "colour": "#47025a"
-  }
-};
-
-Blockly.Themes.Deuteranopia =
-    new Blockly.Theme('deuteranopia',
-        Blockly.Themes.Deuteranopia.defaultBlockStyles,
-        Blockly.Themes.Deuteranopia.categoryStyles);
diff --git a/core/theme/highcontrast.js b/core/theme/highcontrast.js
deleted file mode 100644
index bd108435419..00000000000
--- a/core/theme/highcontrast.js
+++ /dev/null
@@ -1,119 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview High contrast theme.
- * Darker colours to contrast the white font.
- */
-'use strict';
-
-goog.provide('Blockly.Themes.HighContrast');
-
-goog.require('Blockly.Theme');
-
-
-// Temporary holding object.
-Blockly.Themes.HighContrast = {};
-
-Blockly.Themes.HighContrast.defaultBlockStyles = {
-  "colour_blocks": {
-    "colourPrimary": "#a52714",
-    "colourSecondary": "#FB9B8C",
-    "colourTertiary": "#FBE1DD"
-  },
-  "list_blocks": {
-    "colourPrimary": "#4a148c",
-    "colourSecondary": "#AD7BE9",
-    "colourTertiary": "#CDB6E9"
-  },
-  "logic_blocks": {
-    "colourPrimary": "#01579b",
-    "colourSecondary": "#64C7FF",
-    "colourTertiary": "#C5EAFF"
-  },
-  "loop_blocks": {
-    "colourPrimary": "#33691e",
-    "colourSecondary": "#9AFF78",
-    "colourTertiary": "#E1FFD7"
-  },
-  "math_blocks": {
-    "colourPrimary": "#1a237e",
-    "colourSecondary": "#8A9EFF",
-    "colourTertiary": "#DCE2FF"
-  },
-  "procedure_blocks": {
-    "colourPrimary": "#006064",
-    "colourSecondary": "#77E6EE",
-    "colourTertiary": "#CFECEE"
-  },
-  "text_blocks": {
-    "colourPrimary": "#004d40",
-    "colourSecondary": "#5ae27c",
-    "colourTertiary": "#D2FFDD"
-  },
-  "variable_blocks": {
-    "colourPrimary": "#880e4f",
-    "colourSecondary": "#FF73BE",
-    "colourTertiary": "#FFD4EB"
-  },
-  "variable_dynamic_blocks": {
-    "colourPrimary": "#880e4f",
-    "colourSecondary": "#FF73BE",
-    "colourTertiary": "#FFD4EB"
-  },
-  "hat_blocks": {
-    "colourPrimary": "#880e4f",
-    "colourSecondary": "#FF73BE",
-    "colourTertiary": "#FFD4EB",
-    "hat": "cap"
-  }
-};
-
-Blockly.Themes.HighContrast.categoryStyles = {
-  "colour_category": {
-    "colour": "#a52714"
-  },
-  "list_category": {
-    "colour": "#4a148c"
-  },
-  "logic_category": {
-    "colour": "#01579b"
-  },
-  "loop_category": {
-    "colour": "#33691e"
-  },
-  "math_category": {
-    "colour": "#1a237e"
-  },
-  "procedure_category": {
-    "colour": "#006064"
-  },
-  "text_category": {
-    "colour": "#004d40"
-  },
-  "variable_category": {
-    "colour": "#880e4f"
-  },
-  "variable_dynamic_category": {
-    "colour": "#880e4f"
-  }
-};
-
-// This style is still being fleshed out and may change.
-Blockly.Themes.HighContrast =
-    new Blockly.Theme('highcontrast',
-        Blockly.Themes.HighContrast.defaultBlockStyles,
-        Blockly.Themes.HighContrast.categoryStyles);
-
-Blockly.Themes.HighContrast.setComponentStyle('selectedGlowColour', '#000000');
-Blockly.Themes.HighContrast.setComponentStyle('selectedGlowSize', 1);
-Blockly.Themes.HighContrast.setComponentStyle('replacementGlowColour', '#000000');
-
-Blockly.Themes.HighContrast.setFontStyle({
-  'family': null, // Use default font-family
-  'weight': null, // Use default font-weight
-  'size': 16
-});
diff --git a/core/theme/modern.js b/core/theme/modern.js
deleted file mode 100644
index 2ed8a68456f..00000000000
--- a/core/theme/modern.js
+++ /dev/null
@@ -1,108 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Modern theme.
- * Same colours as classic, but single coloured border.
- */
-'use strict';
-
-goog.provide('Blockly.Themes.Modern');
-
-goog.require('Blockly.Theme');
-
-
-// Temporary holding object.
-Blockly.Themes.Modern = {};
-
-Blockly.Themes.Modern.defaultBlockStyles = {
-  "colour_blocks": {
-    "colourPrimary": "#a5745b",
-    "colourSecondary": "#dbc7bd",
-    "colourTertiary": "#845d49"
-  },
-  "list_blocks": {
-    "colourPrimary": "#745ba5",
-    "colourSecondary": "#c7bddb",
-    "colourTertiary": "#5d4984"
-  },
-  "logic_blocks": {
-    "colourPrimary": "#5b80a5",
-    "colourSecondary": "#bdccdb",
-    "colourTertiary": "#496684"
-  },
-  "loop_blocks": {
-    "colourPrimary": "#5ba55b",
-    "colourSecondary": "#bddbbd",
-    "colourTertiary": "#498449"
-  },
-  "math_blocks": {
-    "colourPrimary": "#5b67a5",
-    "colourSecondary": "#bdc2db",
-    "colourTertiary": "#495284"
-  },
-  "procedure_blocks": {
-    "colourPrimary": "#995ba5",
-    "colourSecondary": "#d6bddb",
-    "colourTertiary": "#7a4984"
-  },
-  "text_blocks": {
-    "colourPrimary": "#5ba58c",
-    "colourSecondary": "#bddbd1",
-    "colourTertiary": "#498470"
-  },
-  "variable_blocks": {
-    "colourPrimary": "#a55b99",
-    "colourSecondary": "#dbbdd6",
-    "colourTertiary": "#84497a"
-  },
-  "variable_dynamic_blocks": {
-    "colourPrimary": "#a55b99",
-    "colourSecondary": "#dbbdd6",
-    "colourTertiary": "#84497a"
-  },
-  "hat_blocks": {
-    "colourPrimary": "#a55b99",
-    "colourSecondary": "#dbbdd6",
-    "colourTertiary": "#84497a",
-    "hat": "cap"
-  }
-};
-
-Blockly.Themes.Modern.categoryStyles = {
-  "colour_category": {
-    "colour": "#a5745b"
-  },
-  "list_category": {
-    "colour": "#745ba5"
-  },
-  "logic_category": {
-    "colour": "#5b80a5"
-  },
-  "loop_category": {
-    "colour": "#5ba55b"
-  },
-  "math_category": {
-    "colour": "#5b67a5"
-  },
-  "procedure_category": {
-    "colour": "#995ba5"
-  },
-  "text_category": {
-    "colour": "#5ba58c"
-  },
-  "variable_category": {
-    "colour": "#a55b99"
-  },
-  "variable_dynamic_category": {
-    "colour": "#a55b99"
-  }
-};
-
-// This style is still being fleshed out and may change.
-Blockly.Themes.Modern =
-    new Blockly.Theme('modern', Blockly.Themes.Modern.defaultBlockStyles,
-        Blockly.Themes.Modern.categoryStyles);
diff --git a/core/theme/themes.ts b/core/theme/themes.ts
new file mode 100644
index 00000000000..2f6972cb26f
--- /dev/null
+++ b/core/theme/themes.ts
@@ -0,0 +1,12 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Themes
+
+import {Classic} from './classic.js';
+import {Zelos} from './zelos.js';
+
+export {Classic, Zelos};
diff --git a/core/theme/tritanopia.js b/core/theme/tritanopia.js
deleted file mode 100644
index 544e1060092..00000000000
--- a/core/theme/tritanopia.js
+++ /dev/null
@@ -1,103 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Tritanopia theme.
- * A color palette for people that have tritanopia (the inability to perceive
- * blue light).
- */
-'use strict';
-
-goog.provide('Blockly.Themes.Tritanopia');
-
-goog.require('Blockly.Theme');
-
-
-// Temporary holding object.
-Blockly.Themes.Tritanopia = {};
-
-Blockly.Themes.Tritanopia.defaultBlockStyles = {
-  "colour_blocks": {
-    "colourPrimary": "#05427f",
-    "colourSecondary": "#2974c0",
-    "colourTertiary": "#2d74bb"
-  },
-  "list_blocks": {
-    "colourPrimary": "#b69ce8",
-    "colourSecondary": "#ccbaef",
-    "colourTertiary": "#9176c5"
-  },
-  "logic_blocks": {
-    "colourPrimary": "#9fd2f1",
-    "colourSecondary": "#c0e0f4",
-    "colourTertiary": "#74bae5"
-  },
-  "loop_blocks": {
-    "colourPrimary": "#aa1846",
-    "colourSecondary": "#d36185",
-    "colourTertiary": "#7c1636"
-  },
-  "math_blocks": {
-    "colourPrimary": "#e6da39",
-    "colourSecondary": "#f3ec8e",
-    "colourTertiary": "#f2eeb7"
-  },
-  "procedure_blocks": {
-    "colourPrimary": "#590721",
-    "colourSecondary": "#8c475d",
-    "colourTertiary": "#885464"
-  },
-  "text_blocks": {
-    "colourPrimary": "#058863",
-    "colourSecondary": "#5ecfaf",
-    "colourTertiary": "#04684c"
-  },
-  "variable_blocks": {
-    "colourPrimary": "#4b2d84",
-    "colourSecondary": "#816ea7",
-    "colourTertiary": "#83759e"
-  },
-  "variable_dynamic_blocks": {
-    "colourPrimary": "#4b2d84",
-    "colourSecondary": "#816ea7",
-    "colourTertiary": "#83759e"
-  }
-};
-
-Blockly.Themes.Tritanopia.categoryStyles = {
-  "colour_category": {
-    "colour": "#05427f"
-  },
-  "list_category": {
-    "colour": "#b69ce8"
-  },
-  "logic_category": {
-    "colour": "#9fd2f1"
-  },
-  "loop_category": {
-    "colour": "#aa1846"
-  },
-  "math_category": {
-    "colour": "#e6da39"
-  },
-  "procedure_category": {
-    "colour": "#590721"
-  },
-  "text_category": {
-    "colour": "#058863"
-  },
-  "variable_category": {
-    "colour": "#4b2d84"
-  },
-  "variable_dynamic_category": {
-    "colour": "#4b2d84"
-  }
-};
-
-Blockly.Themes.Tritanopia =
-    new Blockly.Theme('tritanopia',
-        Blockly.Themes.Tritanopia.defaultBlockStyles,
-        Blockly.Themes.Tritanopia.categoryStyles);
diff --git a/core/theme/zelos.js b/core/theme/zelos.js
deleted file mode 100644
index 361b9e4d04c..00000000000
--- a/core/theme/zelos.js
+++ /dev/null
@@ -1,106 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Zelos theme.
- */
-'use strict';
-
-goog.provide('Blockly.Themes.Zelos');
-
-goog.require('Blockly.Theme');
-
-
-// Temporary holding object.
-Blockly.Themes.Zelos = {};
-
-Blockly.Themes.Zelos.defaultBlockStyles = {
-  "colour_blocks": {
-    "colourPrimary": "#CF63CF",
-    "colourSecondary": "#C94FC9",
-    "colourTertiary": "#BD42BD"
-  },
-  "list_blocks": {
-    "colourPrimary": "#9966FF",
-    "colourSecondary": "#855CD6",
-    "colourTertiary": "#774DCB"
-  },
-  "logic_blocks": {
-    "colourPrimary": "#4C97FF",
-    "colourSecondary": "#4280D7",
-    "colourTertiary": "#3373CC"
-  },
-  "loop_blocks": {
-    "colourPrimary": "#0fBD8C",
-    "colourSecondary": "#0DA57A",
-    "colourTertiary": "#0B8E69"
-  },
-  "math_blocks": {
-    "colourPrimary": "#59C059",
-    "colourSecondary": "#46B946",
-    "colourTertiary": "#389438"
-  },
-  "procedure_blocks": {
-    "colourPrimary": "#FF6680",
-    "colourSecondary": "#FF4D6A",
-    "colourTertiary": "#FF3355"
-  },
-  "text_blocks": {
-    "colourPrimary": "#FFBF00",
-    "colourSecondary": "#E6AC00",
-    "colourTertiary": "#CC9900"
-  },
-  "variable_blocks": {
-    "colourPrimary": "#FF8C1A",
-    "colourSecondary": "#FF8000",
-    "colourTertiary": "#DB6E00"
-  },
-  "variable_dynamic_blocks": {
-    "colourPrimary": "#FF8C1A",
-    "colourSecondary": "#FF8000",
-    "colourTertiary": "#DB6E00"
-  },
-  "hat_blocks": {
-    "colourPrimary": "#4C97FF",
-    "colourSecondary": "#4280D7",
-    "colourTertiary": "#3373CC",
-    "hat": "cap"
-  }
-};
-
-Blockly.Themes.Zelos.categoryStyles = {
-  "colour_category": {
-    "colour": "#CF63CF"
-  },
-  "list_category": {
-    "colour": "#9966FF"
-  },
-  "logic_category": {
-    "colour": "#4C97FF"
-  },
-  "loop_category": {
-    "colour": "#0fBD8C"
-  },
-  "math_category": {
-    "colour": "#59C059"
-  },
-  "procedure_category": {
-    "colour": "#FF6680"
-  },
-  "text_category": {
-    "colour": "#FFBF00"
-  },
-  "variable_category": {
-    "colour": "#FF8C1A"
-  },
-  "variable_dynamic_category": {
-    "colour": "#FF8C1A"
-  }
-};
-
-Blockly.Themes.Zelos =
-    new Blockly.Theme('zelos', Blockly.Themes.Zelos.defaultBlockStyles,
-        Blockly.Themes.Zelos.categoryStyles);
diff --git a/core/theme/zelos.ts b/core/theme/zelos.ts
new file mode 100644
index 00000000000..00a88d8dbcb
--- /dev/null
+++ b/core/theme/zelos.ts
@@ -0,0 +1,80 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Themes.Zelos
+
+import {Theme} from '../theme.js';
+
+const defaultBlockStyles = {
+  'colour_blocks': {
+    'colourPrimary': '#CF63CF',
+    'colourSecondary': '#C94FC9',
+    'colourTertiary': '#BD42BD',
+  },
+  'list_blocks': {
+    'colourPrimary': '#9966FF',
+    'colourSecondary': '#855CD6',
+    'colourTertiary': '#774DCB',
+  },
+  'logic_blocks': {
+    'colourPrimary': '#4C97FF',
+    'colourSecondary': '#4280D7',
+    'colourTertiary': '#3373CC',
+  },
+  'loop_blocks': {
+    'colourPrimary': '#0fBD8C',
+    'colourSecondary': '#0DA57A',
+    'colourTertiary': '#0B8E69',
+  },
+  'math_blocks': {
+    'colourPrimary': '#59C059',
+    'colourSecondary': '#46B946',
+    'colourTertiary': '#389438',
+  },
+  'procedure_blocks': {
+    'colourPrimary': '#FF6680',
+    'colourSecondary': '#FF4D6A',
+    'colourTertiary': '#FF3355',
+  },
+  'text_blocks': {
+    'colourPrimary': '#FFBF00',
+    'colourSecondary': '#E6AC00',
+    'colourTertiary': '#CC9900',
+  },
+  'variable_blocks': {
+    'colourPrimary': '#FF8C1A',
+    'colourSecondary': '#FF8000',
+    'colourTertiary': '#DB6E00',
+  },
+  'variable_dynamic_blocks': {
+    'colourPrimary': '#FF8C1A',
+    'colourSecondary': '#FF8000',
+    'colourTertiary': '#DB6E00',
+  },
+  'hat_blocks': {
+    'colourPrimary': '#4C97FF',
+    'colourSecondary': '#4280D7',
+    'colourTertiary': '#3373CC',
+    'hat': 'cap',
+  },
+};
+
+const categoryStyles = {
+  'colour_category': {'colour': '#CF63CF'},
+  'list_category': {'colour': '#9966FF'},
+  'logic_category': {'colour': '#4C97FF'},
+  'loop_category': {'colour': '#0fBD8C'},
+  'math_category': {'colour': '#59C059'},
+  'procedure_category': {'colour': '#FF6680'},
+  'text_category': {'colour': '#FFBF00'},
+  'variable_category': {'colour': '#FF8C1A'},
+  'variable_dynamic_category': {'colour': '#FF8C1A'},
+};
+
+/**
+ * Zelos theme.
+ */
+export const Zelos = new Theme('zelos', defaultBlockStyles, categoryStyles);
diff --git a/core/theme_manager.js b/core/theme_manager.js
deleted file mode 100644
index 5cd193c638f..00000000000
--- a/core/theme_manager.js
+++ /dev/null
@@ -1,197 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object in charge of storing and updating a workspace theme
- *     and UI components.
- * @author aschmiedt@google.com (Abby Schmiedt)
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.ThemeManager');
-
-goog.require('Blockly.Theme');
-
-
-/**
- * Class for storing and updating a workspace's theme and UI components.
- * @param {!Blockly.WorkspaceSvg} workspace The main workspace.
- * @param {!Blockly.Theme} theme The workspace theme.
- * @constructor
- * @package
- */
-Blockly.ThemeManager = function(workspace, theme) {
-
-  /**
-   * The main workspace.
-   * @type {!Blockly.WorkspaceSvg}
-   * @private
-   */
-  this.workspace_ = workspace;
-
-  /**
-   * The Blockly theme to use.
-   * @type {!Blockly.Theme}
-   * @private
-   */
-  this.theme_ = theme;
-
-  /**
-   * A list of workspaces that are subscribed to this theme.
-   * @type {!Array.<Blockly.Workspace>}
-   * @private
-   */
-  this.subscribedWorkspaces_ = [];
-
-  /**
-   * A map of subscribed UI components, keyed by component name.
-   * @type {!Object.<string, !Array.<!Blockly.ThemeManager.Component>>}
-   * @private
-   */
-  this.componentDB_ = Object.create(null);
-};
-
-/**
- * A Blockly UI component type.
- * @typedef {{
-  *            element:!Element,
-  *            propertyName:string
-  *          }}
-  */
-Blockly.ThemeManager.Component;
-
-/**
- * Get the workspace theme.
- * @return {!Blockly.Theme} The workspace theme.
- * @package
- */
-Blockly.ThemeManager.prototype.getTheme = function() {
-  return this.theme_;
-};
-
-/**
- * Set the workspace theme, and refresh the workspace and all components.
- * @param {!Blockly.Theme} theme The workspace theme.
- * @package
- */
-Blockly.ThemeManager.prototype.setTheme = function(theme) {
-  var prevTheme = this.theme_;
-  this.theme_ = theme;
-
-  // Set the theme name onto the injection div.
-  var injectionDiv = this.workspace_.getInjectionDiv();
-  if (injectionDiv) {
-    if (prevTheme) {
-      Blockly.utils.dom.removeClass(injectionDiv, prevTheme.getClassName());
-    }
-    Blockly.utils.dom.addClass(injectionDiv, this.theme_.getClassName());
-  }
-
-  // Refresh all subscribed workspaces.
-  for (var i = 0, workspace; (workspace = this.subscribedWorkspaces_[i]); i++) {
-    workspace.refreshTheme();
-  }
-
-  // Refresh all registered Blockly UI components.
-  for (var i = 0, keys = Object.keys(this.componentDB_),
-    key; (key = keys[i]); i++) {
-    for (var j = 0, component; (component = this.componentDB_[key][j]); j++) {
-      var element = component.element;
-      var propertyName = component.propertyName;
-      var style = this.theme_ && this.theme_.getComponentStyle(key);
-      element.style[propertyName] = style || '';
-    }
-  }
-
-  Blockly.hideChaff();
-};
-
-/**
- * Subscribe a workspace to changes to the selected theme.  If a new theme is
- * set, the workspace is called to refresh its blocks.
- * @param {!Blockly.Workspace} workspace The workspace to subscribe.
- * @package
- */
-Blockly.ThemeManager.prototype.subscribeWorkspace = function(workspace) {
-  this.subscribedWorkspaces_.push(workspace);
-};
-
-/**
- * Unsubscribe a workspace to changes to the selected theme.
- * @param {!Blockly.Workspace} workspace The workspace to unsubscribe.
- * @package
- */
-Blockly.ThemeManager.prototype.unsubscribeWorkspace = function(workspace) {
-  var index = this.subscribedWorkspaces_.indexOf(workspace);
-  if (index < 0) {
-    throw Error('Cannot unsubscribe a workspace that hasn\'t been subscribed.');
-  }
-  this.subscribedWorkspaces_.splice(index, 1);
-};
-
-/**
- * Subscribe an element to changes to the selected theme.  If a new theme is
- * selected, the element's style is refreshed with the new theme's style.
- * @param {!Element} element The element to subscribe.
- * @param {string} componentName The name used to identify the component. This
- *     must be the same name used to configure the style in the Theme object.
- * @param {string} propertyName The inline style property name to update.
- * @package
- */
-Blockly.ThemeManager.prototype.subscribe = function(element, componentName,
-    propertyName) {
-  if (!this.componentDB_[componentName]) {
-    this.componentDB_[componentName] = [];
-  }
-
-  // Add the element to our component map.
-  this.componentDB_[componentName].push({
-    element: element,
-    propertyName: propertyName
-  });
-
-  // Initialize the element with its corresponding theme style.
-  var style = this.theme_ && this.theme_.getComponentStyle(componentName);
-  element.style[propertyName] = style || '';
-};
-
-/**
- * Unsubscribe an element to changes to the selected theme.
- * @param {Element} element The element to unsubscribe.
- * @package
- */
-Blockly.ThemeManager.prototype.unsubscribe = function(element) {
-  if (!element) {
-    return;
-  }
-  // Go through all component, and remove any references to this element.
-  var componentNames = Object.keys(this.componentDB_);
-  for (var c = 0, componentName; (componentName = componentNames[c]); c++) {
-    var elements = this.componentDB_[componentName];
-    for (var i = elements.length - 1; i >= 0; i--) {
-      if (elements[i].element === element) {
-        elements.splice(i, 1);
-      }
-    }
-    // Clean up the component map entry if the list is empty.
-    if (!this.componentDB_[componentName].length) {
-      delete this.componentDB_[componentName];
-    }
-  }
-};
-
-/**
- * Dispose of this theme manager.
- * @package
- * @suppress {checkTypes}
- */
-Blockly.ThemeManager.prototype.dispose = function() {
-  this.owner_ = null;
-  this.theme_ = null;
-  this.subscribedWorkspaces_ = null;
-  this.componentDB_ = null;
-};
diff --git a/core/theme_manager.ts b/core/theme_manager.ts
new file mode 100644
index 00000000000..8d2ad72db59
--- /dev/null
+++ b/core/theme_manager.ts
@@ -0,0 +1,192 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Object in charge of storing and updating a workspace theme
+ *     and UI components.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.ThemeManager
+
+import type {Theme} from './theme.js';
+import * as arrayUtils from './utils/array.js';
+import * as dom from './utils/dom.js';
+import type {Workspace} from './workspace.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * Class for storing and updating a workspace's theme and UI components.
+ */
+export class ThemeManager {
+  /** A list of workspaces that are subscribed to this theme. */
+  private subscribedWorkspaces_: Workspace[] = [];
+  private componentDB = new Map<string, Component[]>();
+
+  /**
+   * @param workspace The main workspace.
+   * @param theme The workspace theme.
+   * @internal
+   */
+  constructor(
+    private readonly workspace: WorkspaceSvg,
+    private theme: Theme,
+  ) {}
+
+  /**
+   * Get the workspace theme.
+   *
+   * @returns The workspace theme.
+   * @internal
+   */
+  getTheme(): Theme {
+    return this.theme;
+  }
+
+  /**
+   * Set the workspace theme, and refresh the workspace and all components.
+   *
+   * @param theme The workspace theme.
+   * @internal
+   */
+  setTheme(theme: Theme) {
+    const prevTheme = this.theme;
+    this.theme = theme;
+    // Set the theme name onto the injection div.
+    const injectionDiv = this.workspace.getInjectionDiv();
+    if (injectionDiv) {
+      if (prevTheme) {
+        const oldClassName = prevTheme.getClassName();
+        if (oldClassName) {
+          dom.removeClass(injectionDiv, oldClassName);
+        }
+      }
+      const newClassName = this.theme.getClassName();
+      if (newClassName) {
+        dom.addClass(injectionDiv, newClassName);
+      }
+    }
+
+    // Refresh all subscribed workspaces.
+    for (
+      let i = 0, workspace;
+      (workspace = this.subscribedWorkspaces_[i]);
+      i++
+    ) {
+      (workspace as WorkspaceSvg).refreshTheme();
+    }
+
+    // Refresh all registered Blockly UI components.
+    for (const [key, componentList] of this.componentDB) {
+      for (const component of componentList) {
+        const element = component.element;
+        const propertyName = component.propertyName;
+        const style = this.theme && this.theme.getComponentStyle(key);
+        element.style.setProperty(propertyName, style || '');
+      }
+    }
+
+    for (const workspace of this.subscribedWorkspaces_) {
+      (workspace as WorkspaceSvg).hideChaff();
+    }
+  }
+
+  /**
+   * Subscribe a workspace to changes to the selected theme.  If a new theme is
+   * set, the workspace is called to refresh its blocks.
+   *
+   * @param workspace The workspace to subscribe.
+   * @internal
+   */
+  subscribeWorkspace(workspace: Workspace) {
+    this.subscribedWorkspaces_.push(workspace);
+  }
+
+  /**
+   * Unsubscribe a workspace to changes to the selected theme.
+   *
+   * @param workspace The workspace to unsubscribe.
+   * @internal
+   */
+  unsubscribeWorkspace(workspace: Workspace) {
+    if (!arrayUtils.removeElem(this.subscribedWorkspaces_, workspace)) {
+      throw Error(
+        "Cannot unsubscribe a workspace that hasn't been subscribed.",
+      );
+    }
+  }
+
+  /**
+   * Subscribe an element to changes to the selected theme.  If a new theme is
+   * selected, the element's style is refreshed with the new theme's style.
+   *
+   * @param element The element to subscribe.
+   * @param componentName The name used to identify the component. This must be
+   *     the same name used to configure the style in the Theme object.
+   * @param propertyName The inline style property name to update.
+   * @internal
+   */
+  subscribe(
+    element: HTMLElement | SVGElement,
+    componentName: string,
+    propertyName: string,
+  ) {
+    if (!this.componentDB.has(componentName)) {
+      this.componentDB.set(componentName, []);
+    }
+
+    // Add the element to our component map.
+    this.componentDB.get(componentName)!.push({element, propertyName});
+
+    // Initialize the element with its corresponding theme style.
+    const style = this.theme && this.theme.getComponentStyle(componentName);
+    element.style.setProperty(propertyName, style || '');
+  }
+
+  /**
+   * Unsubscribe an element to changes to the selected theme.
+   *
+   * @param element The element to unsubscribe.
+   * @internal
+   */
+  unsubscribe(element: HTMLElement | SVGElement) {
+    if (!element) {
+      return;
+    }
+    // Go through all component, and remove any references to this element.
+    for (const [componentName, elements] of this.componentDB) {
+      for (let i = elements.length - 1; i >= 0; i--) {
+        if (elements[i].element === element) {
+          elements.splice(i, 1);
+        }
+      }
+      // Clean up the component map entry if the list is empty.
+      if (!elements.length) {
+        this.componentDB.delete(componentName);
+      }
+    }
+  }
+
+  /**
+   * Dispose of this theme manager.
+   *
+   * @internal
+   */
+  dispose() {
+    this.subscribedWorkspaces_.length = 0;
+    this.componentDB.clear();
+  }
+}
+
+export namespace ThemeManager {
+  /** The type for a Blockly UI Component. */
+  export interface Component {
+    element: HTMLElement | SVGElement;
+    propertyName: string;
+  }
+}
+
+export type Component = ThemeManager.Component;
diff --git a/core/toolbox/category.js b/core/toolbox/category.js
deleted file mode 100644
index 03691db73cf..00000000000
--- a/core/toolbox/category.js
+++ /dev/null
@@ -1,690 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview A toolbox category used to organize blocks in the toolbox.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-'use strict';
-
-goog.provide('Blockly.ToolboxCategory');
-
-goog.require('Blockly.registry');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.aria');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.toolbox');
-goog.require('Blockly.ToolboxItem');
-
-goog.requireType('Blockly.ICollapsibleToolboxItem');
-goog.requireType('Blockly.IToolbox');
-goog.requireType('Blockly.IToolboxItem');
-
-
-/**
- * Class for a category in a toolbox.
- * @param {!Blockly.utils.toolbox.CategoryInfo} categoryDef The information needed
- *     to create a category in the toolbox.
- * @param {!Blockly.IToolbox} toolbox The parent toolbox for the category.
- * @param {Blockly.ICollapsibleToolboxItem=} opt_parent The parent category or null if
- *     the category does not have a parent.
- * @constructor
- * @extends {Blockly.ToolboxItem}
- * @implements {Blockly.ISelectableToolboxItem}
- */
-Blockly.ToolboxCategory = function(categoryDef, toolbox, opt_parent) {
-  Blockly.ToolboxCategory.superClass_.constructor.call(
-      this, categoryDef, toolbox, opt_parent);
-
-  /**
-   * The name that will be displayed on the category.
-   * @type {string}
-   * @protected
-   */
-  this.name_ = Blockly.utils.replaceMessageReferences(categoryDef['name']);
-
-  /**
-   * The colour of the category.
-   * @type {string}
-   * @protected
-   */
-  this.colour_ = this.getColour_(categoryDef);
-
-  /**
-   * The html container for the category.
-   * @type {?Element}
-   * @protected
-   */
-  this.htmlDiv_ = null;
-
-  /**
-   * The html element for the category row.
-   * @type {?Element}
-   * @protected
-   */
-  this.rowDiv_ = null;
-
-  /**
-   * The html element that holds children elements of the category row.
-   * @type {?Element}
-   * @protected
-   */
-  this.rowContents_ = null;
-
-  /**
-   * The html element for the toolbox icon.
-   * @type {?Element}
-   * @protected
-   */
-  this.iconDom_ = null;
-
-  /**
-   * All the css class names that are used to create a category.
-   * @type {!Blockly.ToolboxCategory.CssConfig}
-   * @protected
-   */
-  this.cssConfig_ = this.makeDefaultCssConfig_();
-
-  var cssConfig = categoryDef['cssconfig'] || categoryDef['cssConfig'];
-  Blockly.utils.object.mixin(this.cssConfig_, cssConfig);
-
-  /**
-   * True if the category is meant to be hidden, false otherwise.
-   * @type {boolean}
-   * @protected
-   */
-  this.isHidden_ = false;
-
-  /**
-   * True if this category is disabled, false otherwise.
-   * @type {boolean}
-   * @protected
-   */
-  this.isDisabled_ = false;
-
-  /**
-   * The flyout items for this category.
-   * @type {string|!Blockly.utils.toolbox.FlyoutItemInfoArray}
-   * @protected
-   */
-  this.flyoutItems_ = [];
-
-  this.parseContents_(categoryDef);
-};
-
-Blockly.utils.object.inherits(Blockly.ToolboxCategory, Blockly.ToolboxItem);
-
-/**
- * All the css class names that are used to create a category.
- * @typedef {{
- *            container:?string,
- *            row:?string,
- *            icon:?string,
- *            label:?string,
- *            selected:?string,
- *            openIcon:?string,
- *            closedIcon:?string
- *          }}
- */
-Blockly.ToolboxCategory.CssConfig;
-
-/**
- * Name used for registering a toolbox category.
- * @const {string}
- */
-Blockly.ToolboxCategory.registrationName = 'category';
-
-/**
- * The number of pixels to move the category over at each nested level.
- * @type {number}
- */
-Blockly.ToolboxCategory.nestedPadding = 19;
-
-/**
- * The width in pixels of the strip of colour next to each category.
- * @type {number}
- */
-Blockly.ToolboxCategory.borderWidth = 8;
-
-/**
- * The default colour of the category. This is used as the background colour of
- * the category when it is selected.
- * @type {string}
- */
-Blockly.ToolboxCategory.defaultBackgroundColour = '#57e';
-
-/**
- * Creates an object holding the default classes for a category.
- * @return {!Blockly.ToolboxCategory.CssConfig} The configuration object holding
- *    all the CSS classes for a category.
- * @protected
- */
-Blockly.ToolboxCategory.prototype.makeDefaultCssConfig_ = function() {
-  return {
-    'container': 'blocklyToolboxCategory',
-    'row': 'blocklyTreeRow',
-    'rowContentContainer': 'blocklyTreeRowContentContainer',
-    'icon': 'blocklyTreeIcon',
-    'label': 'blocklyTreeLabel',
-    'contents': 'blocklyToolboxContents',
-    'selected': 'blocklyTreeSelected',
-    'openIcon': 'blocklyTreeIconOpen',
-    'closedIcon': 'blocklyTreeIconClosed',
-  };
-};
-
-/**
- * Parses the contents array depending on if the category is a dynamic category,
- * or if its contents are meant to be shown in the flyout.
- * @param {!Blockly.utils.toolbox.CategoryInfo} categoryDef The information needed
- *     to create a category.
- * @protected
- */
-Blockly.ToolboxCategory.prototype.parseContents_ = function(categoryDef) {
-  var contents = categoryDef['contents'];
-
-  if (categoryDef['custom']) {
-    this.flyoutItems_ = categoryDef['custom'];
-  } else if (contents) {
-    for (var i = 0, itemDef; (itemDef = contents[i]); i++) {
-      var flyoutItem = /** @type {Blockly.utils.toolbox.FlyoutItemInfo} */ (itemDef);
-      this.flyoutItems_.push(flyoutItem);
-    }
-  }
-};
-
-/**
- * @override
- */
-Blockly.ToolboxCategory.prototype.init = function() {
-  this.createDom_();
-  if (this.toolboxItemDef_['hidden'] == 'true') {
-    this.hide();
-  }
-};
-
-/**
- * Creates the dom for the category.
- * @return {!Element} The parent element for the category.
- * @protected
- */
-Blockly.ToolboxCategory.prototype.createDom_ = function() {
-  this.htmlDiv_ = this.createContainer_();
-  Blockly.utils.aria.setRole(this.htmlDiv_, Blockly.utils.aria.Role.TREEITEM);
-  Blockly.utils.aria.setState(/** @type {!Element} */ (this.htmlDiv_),
-      Blockly.utils.aria.State.SELECTED,false);
-  Blockly.utils.aria.setState(/** @type {!Element} */ (this.htmlDiv_),
-      Blockly.utils.aria.State.LEVEL, this.level_);
-
-  this.rowDiv_ = this.createRowContainer_();
-  this.rowDiv_.setAttribute('id', this.id_);
-  this.rowDiv_.style.pointerEvents = 'auto';
-  this.htmlDiv_.appendChild(this.rowDiv_);
-
-  this.rowContents_ = this.createRowContentsContainer_();
-  this.rowContents_.style.pointerEvents = 'none';
-  this.rowDiv_.appendChild(this.rowContents_);
-
-  this.iconDom_ = this.createIconDom_();
-  Blockly.utils.aria.setRole(this.iconDom_, Blockly.utils.aria.Role.PRESENTATION);
-  this.rowContents_.appendChild(this.iconDom_);
-
-  var labelDom = this.createLabelDom_(this.name_);
-  this.rowContents_.appendChild(labelDom);
-  Blockly.utils.aria.setState(/** @type {!Element} */ (this.htmlDiv_),
-      Blockly.utils.aria.State.LABELLEDBY, labelDom.getAttribute('id'));
-
-  this.addColourBorder_(this.colour_);
-
-  return this.htmlDiv_;
-};
-
-/**
- * Creates the container that holds the row and any subcategories.
- * @return {!Element} The div that holds the icon and the label.
- * @protected
- */
-Blockly.ToolboxCategory.prototype.createContainer_ = function() {
-  var container = document.createElement('div');
-  Blockly.utils.dom.addClass(container, this.cssConfig_['container']);
-  return container;
-};
-
-/**
- * Creates the parent of the contents container. All clicks will happen on this
- * div.
- * @return {!Element} The div that holds the contents container.
- * @protected
- */
-Blockly.ToolboxCategory.prototype.createRowContainer_ = function() {
-  var rowDiv = document.createElement('div');
-  Blockly.utils.dom.addClass(rowDiv, this.cssConfig_['row']);
-  var nestedPadding = Blockly.ToolboxCategory.nestedPadding * this.getLevel();
-  nestedPadding = nestedPadding.toString() + 'px';
-  this.workspace_.RTL ? rowDiv.style.paddingRight = nestedPadding :
-      rowDiv.style.paddingLeft = nestedPadding;
-  return rowDiv;
-};
-
-/**
- * Creates the container for the label and icon.
- * This is necessary so we can set all subcategory pointer events to none.
- * @return {!Element} The div that holds the icon and the label.
- * @protected
- */
-Blockly.ToolboxCategory.prototype.createRowContentsContainer_ = function() {
-  var contentsContainer = document.createElement('div');
-  Blockly.utils.dom.addClass(contentsContainer, this.cssConfig_['rowContentContainer']);
-  return contentsContainer;
-};
-
-/**
- * Creates the span that holds the category icon.
- * @return {!Element} The span that holds the category icon.
- * @protected
- */
-Blockly.ToolboxCategory.prototype.createIconDom_ = function() {
-  var toolboxIcon = document.createElement('span');
-  if (!this.parentToolbox_.isHorizontal()) {
-    Blockly.utils.dom.addClass(toolboxIcon, this.cssConfig_['icon']);
-  }
-
-  toolboxIcon.style.display = 'inline-block';
-  return toolboxIcon;
-};
-
-/**
- * Creates the span that holds the category label.
- * This should have an id for accessibility purposes.
- * @param {string} name The name of the category.
- * @return {!Element} The span that holds the category label.
- * @protected
- */
-Blockly.ToolboxCategory.prototype.createLabelDom_ = function(name) {
-  var toolboxLabel = document.createElement('span');
-  toolboxLabel.setAttribute('id', this.getId() + '.label');
-  toolboxLabel.textContent = name;
-  Blockly.utils.dom.addClass(toolboxLabel, this.cssConfig_['label']);
-  return toolboxLabel;
-};
-
-/**
- * Updates the colour for this category.
- * @public
- */
-Blockly.ToolboxCategory.prototype.refreshTheme = function() {
-  this.colour_ = this.getColour_(/** @type {Blockly.utils.toolbox.CategoryInfo} **/
-      (this.toolboxItemDef_));
-  this.addColourBorder_(this.colour_);
-};
-
-/**
- * Add the strip of colour to the toolbox category.
- * @param {string} colour The category colour.
- * @protected
- */
-Blockly.ToolboxCategory.prototype.addColourBorder_ = function(colour) {
-  if (colour) {
-    var border = Blockly.ToolboxCategory.borderWidth + 'px solid ' +
-        (colour || '#ddd');
-    if (this.workspace_.RTL) {
-      this.rowDiv_.style.borderRight = border;
-    } else {
-      this.rowDiv_.style.borderLeft = border;
-    }
-  }
-};
-
-/**
- * Gets either the colour or the style for a category.
- * @param {!Blockly.utils.toolbox.CategoryInfo} categoryDef The object holding
- *    information on the category.
- * @return {string} The hex colour for the category.
- * @protected
- */
-Blockly.ToolboxCategory.prototype.getColour_ = function(categoryDef) {
-  var styleName = categoryDef['categorystyle'] || categoryDef['categoryStyle'];
-  var colour = categoryDef['colour'];
-
-  if (colour && styleName) {
-    console.warn('Toolbox category "' + this.name_ +
-        '" must not have both a style and a colour');
-  } else if (styleName) {
-    return this.getColourfromStyle_(styleName);
-  } else {
-    return this.parseColour_(colour);
-  }
-  return '';
-};
-
-/**
- * Sets the colour for the category using the style name and returns the new
- * colour as a hex string.
- * @param {string} styleName Name of the style.
- * @return {string} The hex colour for the category.
- * @private
- */
-Blockly.ToolboxCategory.prototype.getColourfromStyle_ = function(styleName) {
-  var theme = this.workspace_.getTheme();
-  if (styleName && theme) {
-    var style = theme.categoryStyles[styleName];
-    if (style && style.colour) {
-      return this.parseColour_(style.colour);
-    } else {
-      console.warn('Style "' + styleName +
-          '" must exist and contain a colour value');
-    }
-  }
-  return '';
-};
-
-/**
- * Parses the colour on the category.
- * @param {number|string} colourValue HSV hue value (0 to 360), #RRGGBB string,
- *     or a message reference string pointing to one of those two values.
- * @return {string} The hex colour for the category.
- * @private
- */
-Blockly.ToolboxCategory.prototype.parseColour_ = function(colourValue) {
-  // Decode the colour for any potential message references
-  // (eg. `%{BKY_MATH_HUE}`).
-  var colour = Blockly.utils.replaceMessageReferences(colourValue);
-  if (colour == null || colour === '') {
-    // No attribute. No colour.
-    return '';
-  } else {
-    var hue = Number(colour);
-    if (!isNaN(hue)) {
-      return Blockly.hueToHex(hue);
-    } else {
-      var hex = Blockly.utils.colour.parse(colour);
-      if (hex) {
-        return hex;
-      } else {
-        console.warn('Toolbox category "' + this.name_ +
-            '" has unrecognized colour attribute: ' + colour);
-        return '';
-      }
-    }
-  }
-};
-
-/**
- * Adds appropriate classes to display an open icon.
- * @param {?Element} iconDiv The div that holds the icon.
- * @protected
- */
-Blockly.ToolboxCategory.prototype.openIcon_ = function(iconDiv) {
-  if (!iconDiv) {
-    return;
-  }
-  Blockly.utils.dom.removeClasses(iconDiv, this.cssConfig_['closedIcon']);
-  Blockly.utils.dom.addClass(iconDiv, this.cssConfig_['openIcon']);
-};
-
-/**
- * Adds appropriate classes to display a closed icon.
- * @param {?Element} iconDiv The div that holds the icon.
- * @protected
- */
-Blockly.ToolboxCategory.prototype.closeIcon_ = function(iconDiv) {
-  if (!iconDiv) {
-    return;
-  }
-  Blockly.utils.dom.removeClasses(iconDiv, this.cssConfig_['openIcon']);
-  Blockly.utils.dom.addClass(iconDiv, this.cssConfig_['closedIcon']);
-};
-
-/**
- * Sets whether the category is visible or not.
- * For a category to be visible its parent category must also be expanded.
- * @param {boolean} isVisible True if category should be visible.
- * @protected
- */
-Blockly.ToolboxCategory.prototype.setVisible_ = function(isVisible) {
-  this.htmlDiv_.style.display = isVisible ? 'block' : 'none';
-  this.isHidden_ = !isVisible;
-
-  if (this.parentToolbox_.getSelectedItem() == this) {
-    this.parentToolbox_.clearSelection();
-  }
-};
-
-/**
- * Hide the category.
- */
-Blockly.ToolboxCategory.prototype.hide = function() {
-  this.setVisible_(false);
-};
-
-/**
- * Show the category. Category will only appear if its parent category is also
- * expanded.
- */
-Blockly.ToolboxCategory.prototype.show = function() {
-  this.setVisible_(true);
-};
-
-/**
- * Whether the category is visible.
- * A category is only visible if all of its ancestors are expanded and isHidden_ is false.
- * @return {boolean} True if the category is visible, false otherwise.
- * @public
- */
-Blockly.ToolboxCategory.prototype.isVisible = function() {
-  return !this.isHidden_ && this.allAncestorsExpanded_();
-};
-
-/**
- * Whether all ancestors of a category (parent and parent's parent, etc.) are expanded.
- * @return {boolean} True only if every ancestor is expanded
- * @protected
- */
-Blockly.ToolboxCategory.prototype.allAncestorsExpanded_ = function() {
-  var category = this;
-  while (category.getParent()) {
-    category = category.getParent();
-    if (!category.isExpanded()) {
-      return false;
-    }
-  }
-  return true;
-};
-
-/**
- * @override
- */
-Blockly.ToolboxCategory.prototype.isSelectable = function() {
-  return this.isVisible() && !this.isDisabled_;
-};
-
-/**
- * Handles when the toolbox item is clicked.
- * @param {!Event} _e Click event to handle.
- * @public
- */
-Blockly.ToolboxCategory.prototype.onClick = function(_e) {
-  // No-op
-};
-
-/**
- * Sets the current category as selected.
- * @param {boolean} isSelected True if this category is selected, false
- *     otherwise.
- * @public
- */
-Blockly.ToolboxCategory.prototype.setSelected = function(isSelected) {
-  if (isSelected) {
-    var defaultColour = this.parseColour_(
-        Blockly.ToolboxCategory.defaultBackgroundColour);
-    this.rowDiv_.style.backgroundColor = this.colour_ || defaultColour;
-    Blockly.utils.dom.addClass(this.rowDiv_, this.cssConfig_['selected']);
-  } else {
-    this.rowDiv_.style.backgroundColor = '';
-    Blockly.utils.dom.removeClass(this.rowDiv_, this.cssConfig_['selected']);
-  }
-  Blockly.utils.aria.setState(/** @type {!Element} */ (this.htmlDiv_),
-      Blockly.utils.aria.State.SELECTED, isSelected);
-};
-
-/**
- * Sets whether the category is disabled.
- * @param {boolean} isDisabled True to disable the category, false otherwise.
- */
-Blockly.ToolboxCategory.prototype.setDisabled = function(isDisabled) {
-  this.isDisabled_ = isDisabled;
-  this.getDiv().setAttribute('disabled', isDisabled);
-  isDisabled ? this.getDiv().setAttribute('disabled', 'true') :
-      this.getDiv().removeAttribute('disabled');
-};
-
-/**
- * Gets the name of the category. Used for emitting events.
- * @return {string} The name of the toolbox item.
- * @public
- */
-Blockly.ToolboxCategory.prototype.getName = function() {
-  return this.name_;
-};
-
-/**
- * @override
- */
-Blockly.ToolboxCategory.prototype.getParent = function() {
-  return this.parent_;
-};
-
-/**
- * @override
- */
-Blockly.ToolboxCategory.prototype.getDiv = function() {
-  return this.htmlDiv_;
-};
-
-/**
- * Gets the contents of the category. These are items that are meant to be
- * displayed in the flyout.
- * @return {!Blockly.utils.toolbox.FlyoutItemInfoArray|string} The definition
- *     of items to be displayed in the flyout.
- * @public
- */
-Blockly.ToolboxCategory.prototype.getContents = function() {
-  return this.flyoutItems_;
-};
-
-/**
- * Updates the contents to be displayed in the flyout.
- * If the flyout is open when the contents are updated, refreshSelection on the
- * toolbox must also be called.
- * @param {!Blockly.utils.toolbox.FlyoutDefinition|string} contents The contents
- *     to be displayed in the flyout. A string can be supplied to create a
- *     dynamic category.
- * @public
- */
-Blockly.ToolboxCategory.prototype.updateFlyoutContents = function(contents) {
-  this.flyoutItems_ = [];
-
-  if (typeof contents == 'string') {
-    this.toolboxItemDef_['custom'] = contents;
-  } else {
-    // Removes old custom field when contents is updated.
-    delete this.toolboxItemDef_['custom'];
-    this.toolboxItemDef_['contents'] =
-        Blockly.utils.toolbox.convertFlyoutDefToJsonArray(contents);
-  }
-  this.parseContents_(
-      /** @type {Blockly.utils.toolbox.CategoryInfo} */ (this.toolboxItemDef_));
-};
-
-/**
- * @override
- */
-Blockly.ToolboxCategory.prototype.dispose = function() {
-  Blockly.utils.dom.removeNode(this.htmlDiv_);
-};
-
-/**
- * CSS for Toolbox.  See css.js for use.
- */
-Blockly.Css.register([
-  /* eslint-disable indent */
-  '.blocklyTreeRow:not(.blocklyTreeSelected):hover {',
-    'background-color: rgba(255, 255, 255, 0.2);',
-  '}',
-
-  '.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {',
-    'margin: 1px 5px 1px 0;',
-  '}',
-
-  '.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {',
-    'margin: 1px 0 1px 5px;',
-  '}',
-
-  '.blocklyTreeRow {',
-    'height: 22px;',
-    'line-height: 22px;',
-    'margin-bottom: 3px;',
-    'padding-right: 8px;',
-    'white-space: nowrap;',
-  '}',
-
-  '.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {',
-    'margin-left: 8px;',
-    'padding-right: 0px',
-  '}',
-
-  '.blocklyTreeIcon {',
-    'background-image: url(<<<PATH>>>/sprites.png);',
-    'height: 16px;',
-    'vertical-align: middle;',
-    'visibility: hidden;',
-    'width: 16px;',
-  '}',
-
-  '.blocklyTreeIconClosed {',
-    'background-position: -32px -1px;',
-  '}',
-
-  '.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {',
-    'background-position: 0 -1px;',
-  '}',
-
-  '.blocklyTreeSelected>.blocklyTreeIconClosed {',
-    'background-position: -32px -17px;',
-  '}',
-
-  '.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected>.blocklyTreeIconClosed {',
-    'background-position: 0 -17px;',
-  '}',
-
-  '.blocklyTreeIconOpen {',
-    'background-position: -16px -1px;',
-  '}',
-
-  '.blocklyTreeSelected>.blocklyTreeIconOpen {',
-    'background-position: -16px -17px;',
-  '}',
-
-  '.blocklyTreeLabel {',
-    'cursor: default;',
-    'font: 16px sans-serif;',
-    'padding: 0 3px;',
-    'vertical-align: middle;',
-  '}',
-
-  '.blocklyToolboxDelete .blocklyTreeLabel {',
-    'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',
-  '}',
-
-  '.blocklyTreeSelected .blocklyTreeLabel {',
-    'color: #fff;',
-  '}'
-  /* eslint-enable indent */
-]);
-
-Blockly.registry.register(Blockly.registry.Type.TOOLBOX_ITEM,
-    Blockly.ToolboxCategory.registrationName, Blockly.ToolboxCategory);
diff --git a/core/toolbox/category.ts b/core/toolbox/category.ts
new file mode 100644
index 00000000000..6ff159b0b02
--- /dev/null
+++ b/core/toolbox/category.ts
@@ -0,0 +1,739 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * A toolbox category used to organize blocks in the toolbox.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.ToolboxCategory
+
+import * as Css from '../css.js';
+import type {ICollapsibleToolboxItem} from '../interfaces/i_collapsible_toolbox_item.js';
+import type {ISelectableToolboxItem} from '../interfaces/i_selectable_toolbox_item.js';
+import type {IToolbox} from '../interfaces/i_toolbox.js';
+import type {IToolboxItem} from '../interfaces/i_toolbox_item.js';
+import type {
+  CategoryInfo,
+  DynamicCategoryInfo,
+  FlyoutDefinition,
+  FlyoutItemInfo,
+  FlyoutItemInfoArray,
+  StaticCategoryInfo,
+} from '../utils/toolbox.js';
+import * as registry from '../registry.js';
+import * as aria from '../utils/aria.js';
+import * as colourUtils from '../utils/colour.js';
+import * as dom from '../utils/dom.js';
+import * as parsing from '../utils/parsing.js';
+import * as toolbox from '../utils/toolbox.js';
+
+import {ToolboxItem} from './toolbox_item.js';
+
+/**
+ * Class for a category in a toolbox.
+ */
+export class ToolboxCategory
+  extends ToolboxItem
+  implements ISelectableToolboxItem
+{
+  /** Name used for registering a toolbox category. */
+  static registrationName = 'category';
+
+  /** The number of pixels to move the category over at each nested level. */
+  static nestedPadding = 19;
+
+  /** The width in pixels of the strip of colour next to each category. */
+  static borderWidth = 8;
+
+  /**
+   * The default colour of the category. This is used as the background colour
+   * of the category when it is selected.
+   */
+  static defaultBackgroundColour = '#57e';
+
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  override toolboxItemDef_!: CategoryInfo;
+
+  /** The name that will be displayed on the category. */
+  protected name_ = '';
+
+  /** The colour of the category. */
+  protected colour_ = '';
+
+  /** The HTML container for the category. */
+  protected htmlDiv_: HTMLDivElement | null = null;
+
+  /** The HTML element for the category row. */
+  protected rowDiv_: HTMLDivElement | null = null;
+
+  /** The HTML element that holds children elements of the category row. */
+  protected rowContents_: HTMLDivElement | null = null;
+
+  /** The HTML element for the toolbox icon. */
+  protected iconDom_: Element | null = null;
+
+  /** The HTML element for the toolbox label. */
+  protected labelDom_: Element | null = null;
+  protected cssConfig_: CssConfig;
+
+  /** True if the category is meant to be hidden, false otherwise. */
+  protected isHidden_ = false;
+
+  /** True if this category is disabled, false otherwise. */
+  protected isDisabled_ = false;
+
+  /** The flyout items for this category. */
+  protected flyoutItems_: string | FlyoutItemInfoArray = [];
+
+  /**
+   * @param categoryDef The information needed to create a category in the
+   *     toolbox.
+   * @param parentToolbox The parent toolbox for the category.
+   * @param opt_parent The parent category or null if the category does not have
+   *     a parent.
+   */
+  constructor(
+    categoryDef: CategoryInfo,
+    parentToolbox: IToolbox,
+    opt_parent?: ICollapsibleToolboxItem,
+  ) {
+    super(categoryDef, parentToolbox, opt_parent);
+
+    /** All the css class names that are used to create a category. */
+    this.cssConfig_ = this.makeDefaultCssConfig_();
+  }
+
+  /**
+   * Initializes the toolbox item.
+   * This includes creating the DOM and updating the state of any items based
+   * on the info object.
+   * Init should be called immediately after the construction of the toolbox
+   * item, to ensure that the category contents are properly parsed.
+   */
+  override init() {
+    this.parseCategoryDef_(this.toolboxItemDef_);
+    this.parseContents_(this.toolboxItemDef_);
+    this.createDom_();
+    if (this.toolboxItemDef_['hidden'] === 'true') {
+      this.hide();
+    }
+  }
+
+  /**
+   * Creates an object holding the default classes for a category.
+   *
+   * @returns The configuration object holding all the CSS classes for a
+   *     category.
+   */
+  protected makeDefaultCssConfig_(): CssConfig {
+    return {
+      'container': 'blocklyToolboxCategory',
+      'row': 'blocklyTreeRow',
+      'rowcontentcontainer': 'blocklyTreeRowContentContainer',
+      'icon': 'blocklyTreeIcon',
+      'label': 'blocklyTreeLabel',
+      'contents': 'blocklyToolboxContents',
+      'selected': 'blocklyTreeSelected',
+      'openicon': 'blocklyTreeIconOpen',
+      'closedicon': 'blocklyTreeIconClosed',
+    };
+  }
+
+  /**
+   * Parses the contents array depending on if the category is a dynamic
+   * category, or if its contents are meant to be shown in the flyout.
+   *
+   * @param categoryDef The information needed to create a category.
+   */
+  protected parseContents_(categoryDef: CategoryInfo) {
+    if ('custom' in categoryDef) {
+      this.flyoutItems_ = categoryDef['custom'];
+    } else {
+      const contents = categoryDef['contents'];
+      if (!contents) return;
+
+      for (let i = 0; i < contents.length; i++) {
+        const itemDef = contents[i];
+        const flyoutItem = itemDef as FlyoutItemInfo;
+        if (Array.isArray(this.flyoutItems_)) {
+          this.flyoutItems_.push(flyoutItem);
+        }
+      }
+    }
+  }
+
+  /**
+   * Parses the non-contents parts of the category def.
+   *
+   * @param categoryDef The information needed to create a category.
+   */
+  protected parseCategoryDef_(categoryDef: CategoryInfo) {
+    this.name_ =
+      'name' in categoryDef
+        ? parsing.replaceMessageReferences(categoryDef['name'])
+        : '';
+    this.colour_ = this.getColour_(categoryDef);
+    Object.assign(
+      this.cssConfig_,
+      categoryDef['cssconfig'] || (categoryDef as any)['cssConfig'],
+    );
+  }
+
+  /**
+   * Creates the DOM for the category.
+   *
+   * @returns The parent element for the category.
+   */
+  protected createDom_(): HTMLDivElement {
+    this.htmlDiv_ = this.createContainer_();
+    aria.setRole(this.htmlDiv_, aria.Role.TREEITEM);
+    aria.setState(this.htmlDiv_, aria.State.SELECTED, false);
+    aria.setState(this.htmlDiv_, aria.State.LEVEL, this.level_ + 1);
+
+    this.rowDiv_ = this.createRowContainer_();
+    this.rowDiv_.style.pointerEvents = 'auto';
+    this.htmlDiv_.appendChild(this.rowDiv_);
+
+    this.rowContents_ = this.createRowContentsContainer_();
+    this.rowContents_.style.pointerEvents = 'none';
+    this.rowDiv_.appendChild(this.rowContents_);
+
+    this.iconDom_ = this.createIconDom_();
+    aria.setRole(this.iconDom_, aria.Role.PRESENTATION);
+    this.rowContents_.appendChild(this.iconDom_);
+
+    this.labelDom_ = this.createLabelDom_(this.name_);
+    this.rowContents_.appendChild(this.labelDom_);
+
+    const id = this.labelDom_.getAttribute('id');
+    if (id) {
+      aria.setState(this.htmlDiv_, aria.State.LABELLEDBY, id);
+    }
+
+    this.addColourBorder_(this.colour_);
+
+    return this.htmlDiv_;
+  }
+
+  /**
+   * Creates the container that holds the row and any subcategories.
+   *
+   * @returns The div that holds the icon and the label.
+   */
+  protected createContainer_(): HTMLDivElement {
+    const container = document.createElement('div');
+    const className = this.cssConfig_['container'];
+    if (className) {
+      dom.addClass(container, className);
+    }
+    return container;
+  }
+
+  /**
+   * Creates the parent of the contents container. All clicks will happen on
+   * this div.
+   *
+   * @returns The div that holds the contents container.
+   */
+  protected createRowContainer_(): HTMLDivElement {
+    const rowDiv = document.createElement('div');
+    const className = this.cssConfig_['row'];
+    if (className) {
+      dom.addClass(rowDiv, className);
+    }
+    const nestedPadding = `${
+      ToolboxCategory.nestedPadding * this.getLevel()
+    }px`;
+    this.workspace_.RTL
+      ? (rowDiv.style.paddingRight = nestedPadding)
+      : (rowDiv.style.paddingLeft = nestedPadding);
+    return rowDiv;
+  }
+
+  /**
+   * Creates the container for the label and icon.
+   * This is necessary so we can set all subcategory pointer events to none.
+   *
+   * @returns The div that holds the icon and the label.
+   */
+  protected createRowContentsContainer_(): HTMLDivElement {
+    const contentsContainer = document.createElement('div');
+    const className = this.cssConfig_['rowcontentcontainer'];
+    if (className) {
+      dom.addClass(contentsContainer, className);
+    }
+    return contentsContainer;
+  }
+
+  /**
+   * Creates the span that holds the category icon.
+   *
+   * @returns The span that holds the category icon.
+   */
+  protected createIconDom_(): Element {
+    const toolboxIcon = document.createElement('span');
+    if (!this.parentToolbox_.isHorizontal()) {
+      const className = this.cssConfig_['icon'];
+      if (className) {
+        dom.addClass(toolboxIcon, className);
+      }
+    }
+
+    toolboxIcon.style.display = 'inline-block';
+    return toolboxIcon;
+  }
+
+  /**
+   * Creates the span that holds the category label.
+   * This should have an ID for accessibility purposes.
+   *
+   * @param name The name of the category.
+   * @returns The span that holds the category label.
+   */
+  protected createLabelDom_(name: string): Element {
+    const toolboxLabel = document.createElement('span');
+    toolboxLabel.setAttribute('id', this.getId() + '.label');
+    toolboxLabel.textContent = name;
+    const className = this.cssConfig_['label'];
+    if (className) {
+      dom.addClass(toolboxLabel, className);
+    }
+    return toolboxLabel;
+  }
+
+  /** Updates the colour for this category. */
+  refreshTheme() {
+    this.colour_ = this.getColour_(this.toolboxItemDef_);
+    this.addColourBorder_(this.colour_);
+  }
+
+  /**
+   * Add the strip of colour to the toolbox category.
+   *
+   * @param colour The category colour.
+   */
+  protected addColourBorder_(colour: string) {
+    if (colour) {
+      const border =
+        ToolboxCategory.borderWidth + 'px solid ' + (colour || '#ddd');
+      if (this.workspace_.RTL) {
+        this.rowDiv_!.style.borderRight = border;
+      } else {
+        this.rowDiv_!.style.borderLeft = border;
+      }
+    }
+  }
+
+  /**
+   * Gets either the colour or the style for a category.
+   *
+   * @param categoryDef The object holding information on the category.
+   * @returns The hex colour for the category.
+   */
+  protected getColour_(categoryDef: CategoryInfo): string {
+    const styleName =
+      categoryDef['categorystyle'] || (categoryDef as any)['categoryStyle'];
+    const colour = categoryDef['colour'];
+
+    if (colour && styleName) {
+      console.warn(
+        'Toolbox category "' +
+          this.name_ +
+          '" must not have both a style and a colour',
+      );
+    } else if (styleName) {
+      return this.getColourfromStyle_(styleName);
+    } else if (colour) {
+      return this.parseColour_(colour);
+    }
+    return '';
+  }
+
+  /**
+   * Sets the colour for the category using the style name and returns the new
+   * colour as a hex string.
+   *
+   * @param styleName Name of the style.
+   * @returns The hex colour for the category.
+   */
+  private getColourfromStyle_(styleName: string): string {
+    const theme = this.workspace_.getTheme();
+    if (styleName && theme) {
+      const style = theme.categoryStyles[styleName];
+      if (style && style.colour) {
+        return this.parseColour_(style.colour);
+      } else {
+        console.warn(
+          'Style "' + styleName + '" must exist and contain a colour value',
+        );
+      }
+    }
+    return '';
+  }
+
+  /**
+   * Gets the HTML element that is clickable.
+   * The parent toolbox element receives clicks. The parent toolbox will add an
+   * ID to this element so it can pass the onClick event to the correct
+   * toolboxItem.
+   *
+   * @returns The HTML element that receives clicks.
+   */
+  override getClickTarget(): Element {
+    return this.rowDiv_ as Element;
+  }
+
+  /**
+   * Parses the colour on the category.
+   *
+   * @param colourValue HSV hue value (0 to 360), #RRGGBB string, or a message
+   *     reference string pointing to one of those two values.
+   * @returns The hex colour for the category.
+   */
+  private parseColour_(colourValue: number | string): string {
+    // Decode the colour for any potential message references
+    // (eg. `%{BKY_MATH_HUE}`).
+    const colour = parsing.replaceMessageReferences(colourValue);
+    if (colour == null || colour === '') {
+      // No attribute. No colour.
+      return '';
+    } else {
+      const hue = Number(colour);
+      if (!isNaN(hue)) {
+        return colourUtils.hueToHex(hue);
+      } else {
+        const hex = colourUtils.parse(colour);
+        if (hex) {
+          return hex;
+        } else {
+          console.warn(
+            'Toolbox category "' +
+              this.name_ +
+              '" has unrecognized colour attribute: ' +
+              colour,
+          );
+          return '';
+        }
+      }
+    }
+  }
+
+  /**
+   * Adds appropriate classes to display an open icon.
+   *
+   * @param iconDiv The div that holds the icon.
+   */
+  protected openIcon_(iconDiv: Element | null) {
+    if (!iconDiv) {
+      return;
+    }
+    const closedIconClass = this.cssConfig_['closedicon'];
+    if (closedIconClass) {
+      dom.removeClasses(iconDiv, closedIconClass);
+    }
+    const className = this.cssConfig_['openicon'];
+    if (className) {
+      dom.addClass(iconDiv, className);
+    }
+  }
+
+  /**
+   * Adds appropriate classes to display a closed icon.
+   *
+   * @param iconDiv The div that holds the icon.
+   */
+  protected closeIcon_(iconDiv: Element | null) {
+    if (!iconDiv) {
+      return;
+    }
+    const openIconClass = this.cssConfig_['openicon'];
+    if (openIconClass) {
+      dom.removeClasses(iconDiv, openIconClass);
+    }
+    const className = this.cssConfig_['closedicon'];
+    if (className) {
+      dom.addClass(iconDiv, className);
+    }
+  }
+
+  /**
+   * Sets whether the category is visible or not.
+   * For a category to be visible its parent category must also be expanded.
+   *
+   * @param isVisible True if category should be visible.
+   */
+  override setVisible_(isVisible: boolean) {
+    this.htmlDiv_!.style.display = isVisible ? 'block' : 'none';
+    this.isHidden_ = !isVisible;
+
+    if (this.parentToolbox_.getSelectedItem() === this) {
+      this.parentToolbox_.clearSelection();
+    }
+  }
+
+  /** Hide the category. */
+  hide() {
+    this.setVisible_(false);
+  }
+
+  /**
+   * Show the category. Category will only appear if its parent category is also
+   * expanded.
+   */
+  show() {
+    this.setVisible_(true);
+  }
+
+  /**
+   * Whether the category is visible.
+   * A category is only visible if all of its ancestors are expanded and
+   * isHidden_ is false.
+   *
+   * @returns True if the category is visible, false otherwise.
+   */
+  isVisible(): boolean {
+    return !this.isHidden_ && this.allAncestorsExpanded_();
+  }
+
+  /**
+   * Whether all ancestors of a category (parent and parent's parent, etc.) are
+   * expanded.
+   *
+   * @returns True only if every ancestor is expanded
+   */
+  protected allAncestorsExpanded_(): boolean {
+    /* eslint-disable-next-line @typescript-eslint/no-this-alias */
+    let category: IToolboxItem = this;
+    while (category.getParent()) {
+      category = category.getParent()!;
+      if (!(category as ICollapsibleToolboxItem).isExpanded()) {
+        return false;
+      }
+    }
+    return true;
+  }
+
+  override isSelectable() {
+    return this.isVisible() && !this.isDisabled_;
+  }
+
+  /**
+   * Handles when the toolbox item is clicked.
+   *
+   * @param _e Click event to handle.
+   */
+  onClick(_e: Event) {}
+  // No-op
+
+  /**
+   * Sets the current category as selected.
+   *
+   * @param isSelected True if this category is selected, false otherwise.
+   */
+  setSelected(isSelected: boolean) {
+    if (!this.rowDiv_) {
+      return;
+    }
+    const className = this.cssConfig_['selected'];
+    if (isSelected) {
+      const defaultColour = this.parseColour_(
+        ToolboxCategory.defaultBackgroundColour,
+      );
+      this.rowDiv_.style.backgroundColor = this.colour_ || defaultColour;
+      if (className) {
+        dom.addClass(this.rowDiv_, className);
+      }
+    } else {
+      this.rowDiv_.style.backgroundColor = '';
+      if (className) {
+        dom.removeClass(this.rowDiv_, className);
+      }
+    }
+    aria.setState(this.htmlDiv_ as Element, aria.State.SELECTED, isSelected);
+  }
+
+  /**
+   * Sets whether the category is disabled.
+   *
+   * @param isDisabled True to disable the category, false otherwise.
+   */
+  setDisabled(isDisabled: boolean) {
+    this.isDisabled_ = isDisabled;
+    this.getDiv()!.setAttribute('disabled', `${isDisabled}`);
+    isDisabled
+      ? this.getDiv()!.setAttribute('disabled', 'true')
+      : this.getDiv()!.removeAttribute('disabled');
+  }
+
+  /**
+   * Gets the name of the category. Used for emitting events.
+   *
+   * @returns The name of the toolbox item.
+   */
+  getName(): string {
+    return this.name_;
+  }
+
+  override getParent() {
+    return this.parent_;
+  }
+
+  override getDiv() {
+    return this.htmlDiv_;
+  }
+
+  /**
+   * Gets the contents of the category. These are items that are meant to be
+   * displayed in the flyout.
+   *
+   * @returns The definition of items to be displayed in the flyout.
+   */
+  getContents(): FlyoutItemInfoArray | string {
+    return this.flyoutItems_;
+  }
+
+  /**
+   * Updates the contents to be displayed in the flyout.
+   * If the flyout is open when the contents are updated, refreshSelection on
+   * the toolbox must also be called.
+   *
+   * @param contents The contents to be displayed in the flyout. A string can be
+   *     supplied to create a dynamic category.
+   */
+  updateFlyoutContents(contents: FlyoutDefinition | string) {
+    this.flyoutItems_ = [];
+
+    if (typeof contents === 'string') {
+      const newDefinition: DynamicCategoryInfo = {
+        kind: this.toolboxItemDef_.kind,
+        custom: contents,
+        id: this.toolboxItemDef_.id,
+        categorystyle: this.toolboxItemDef_.categorystyle,
+        colour: this.toolboxItemDef_.colour,
+        cssconfig: this.toolboxItemDef_.cssconfig,
+        hidden: this.toolboxItemDef_.hidden,
+      };
+      this.toolboxItemDef_ = newDefinition;
+    } else {
+      const newDefinition: StaticCategoryInfo = {
+        kind: this.toolboxItemDef_.kind,
+        name:
+          'name' in this.toolboxItemDef_ ? this.toolboxItemDef_['name'] : '',
+        contents: toolbox.convertFlyoutDefToJsonArray(contents),
+        id: this.toolboxItemDef_.id,
+        categorystyle: this.toolboxItemDef_.categorystyle,
+        colour: this.toolboxItemDef_.colour,
+        cssconfig: this.toolboxItemDef_.cssconfig,
+        hidden: this.toolboxItemDef_.hidden,
+      };
+      this.toolboxItemDef_ = newDefinition;
+    }
+    this.parseContents_(this.toolboxItemDef_);
+  }
+
+  override dispose() {
+    dom.removeNode(this.htmlDiv_);
+  }
+}
+
+export namespace ToolboxCategory {
+  /** All the CSS class names that are used to create a category. */
+  export interface CssConfig {
+    container?: string;
+    row?: string;
+    rowcontentcontainer?: string;
+    icon?: string;
+    label?: string;
+    contents?: string;
+    selected?: string;
+    openicon?: string;
+    closedicon?: string;
+  }
+}
+
+export type CssConfig = ToolboxCategory.CssConfig;
+
+/** CSS for Toolbox.  See css.js for use. */
+Css.register(`
+.blocklyTreeRow:not(.blocklyTreeSelected):hover {
+  background-color: rgba(255, 255, 255, .2);
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyToolboxCategory {
+  margin: 1px 5px 1px 0;
+}
+
+.blocklyToolboxDiv[dir="RTL"][layout="h"] .blocklyToolboxCategory {
+  margin: 1px 0 1px 5px;
+}
+
+.blocklyTreeRow {
+  height: 22px;
+  line-height: 22px;
+  margin-bottom: 3px;
+  padding-right: 8px;
+  white-space: nowrap;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeRow {
+  margin-left: 8px;
+  padding-right: 0;
+}
+
+.blocklyTreeIcon {
+  background-image: url(<<<PATH>>>/sprites.png);
+  height: 16px;
+  vertical-align: middle;
+  visibility: hidden;
+  width: 16px;
+}
+
+.blocklyTreeIconClosed {
+  background-position: -32px -1px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeIconClosed {
+  background-position: 0 -1px;
+}
+
+.blocklyTreeSelected>.blocklyTreeIconClosed {
+  background-position: -32px -17px;
+}
+
+.blocklyToolboxDiv[dir="RTL"] .blocklyTreeSelected>.blocklyTreeIconClosed {
+  background-position: 0 -17px;
+}
+
+.blocklyTreeIconOpen {
+  background-position: -16px -1px;
+}
+
+.blocklyTreeSelected>.blocklyTreeIconOpen {
+  background-position: -16px -17px;
+}
+
+.blocklyTreeLabel {
+  cursor: default;
+  font: 16px sans-serif;
+  padding: 0 3px;
+  vertical-align: middle;
+}
+
+.blocklyToolboxDelete .blocklyTreeLabel {
+  cursor: url("<<<PATH>>>/handdelete.cur"), auto;
+}
+
+.blocklyTreeSelected .blocklyTreeLabel {
+  color: #fff;
+}
+`);
+
+registry.register(
+  registry.Type.TOOLBOX_ITEM,
+  ToolboxCategory.registrationName,
+  ToolboxCategory,
+);
diff --git a/core/toolbox/collapsible_category.js b/core/toolbox/collapsible_category.js
deleted file mode 100644
index b4e2af3c103..00000000000
--- a/core/toolbox/collapsible_category.js
+++ /dev/null
@@ -1,294 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview A toolbox category used to organize blocks in the toolbox.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-'use strict';
-
-goog.provide('Blockly.CollapsibleToolboxCategory');
-
-goog.require('Blockly.registry');
-goog.require('Blockly.ToolboxCategory');
-goog.require('Blockly.ToolboxSeparator');
-goog.require('Blockly.utils.aria');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.toolbox');
-goog.require('Blockly.ToolboxItem');
-
-goog.requireType('Blockly.ICollapsibleToolboxItem');
-goog.requireType('Blockly.IToolbox');
-goog.requireType('Blockly.IToolboxItem');
-
-
-/**
- * Class for a category in a toolbox that can be collapsed.
- * @param {!Blockly.utils.toolbox.CategoryInfo} categoryDef The information needed
- *     to create a category in the toolbox.
- * @param {!Blockly.IToolbox} toolbox The parent toolbox for the category.
- * @param {Blockly.ICollapsibleToolboxItem=} opt_parent The parent category or null if
- *     the category does not have a parent.
- * @constructor
- * @extends {Blockly.ToolboxCategory}
- * @implements {Blockly.ICollapsibleToolboxItem}
- */
-Blockly.CollapsibleToolboxCategory = function(categoryDef, toolbox, opt_parent) {
-  /**
-   * Container for any child categories.
-   * @type {?Element}
-   * @protected
-   */
-  this.subcategoriesDiv_ = null;
-
-  /**
-   * Whether or not the category should display its subcategories.
-   * @type {boolean}
-   * @protected
-   */
-  this.expanded_ = false;
-
-  /**
-   * The child toolbox items for this category.
-   * @type {!Array<!Blockly.ToolboxItem>}
-   * @protected
-   */
-  this.toolboxItems_ = [];
-
-  Blockly.CollapsibleToolboxCategory.superClass_.constructor.call(
-      this, categoryDef, toolbox, opt_parent);
-};
-
-Blockly.utils.object.inherits(Blockly.CollapsibleToolboxCategory, Blockly.ToolboxCategory);
-
-/**
- * All the css class names that are used to create a collapsible
- * category. This is all the properties from the regular category plus contents.
- * @typedef {{
- *            container:?string,
- *            row:?string,
- *            icon:?string,
- *            label:?string,
- *            selected:?string,
- *            openIcon:?string,
- *            closedIcon:?string,
- *            contents:?string
- *          }}
- */
-Blockly.CollapsibleToolboxCategory.CssConfig;
-
-/**
- * Name used for registering a collapsible toolbox category.
- * @const {string}
- */
-Blockly.CollapsibleToolboxCategory.registrationName = 'collapsibleCategory';
-
-/**
- * @override
- */
-Blockly.CollapsibleToolboxCategory.prototype.makeDefaultCssConfig_ = function() {
-  var cssConfig = Blockly.CollapsibleToolboxCategory.superClass_.makeDefaultCssConfig_.call(this);
-  cssConfig['contents'] = 'blocklyToolboxContents';
-  return cssConfig;
-};
-
-/**
- * @override
- */
-Blockly.CollapsibleToolboxCategory.prototype.parseContents_ = function(categoryDef) {
-  var contents = categoryDef['contents'];
-  var prevIsFlyoutItem = true;
-
-  if (categoryDef['custom']) {
-    this.flyoutItems_ = categoryDef['custom'];
-  } else if (contents) {
-    for (var i = 0, itemDef; (itemDef = contents[i]); i++) {
-      // Separators can exist as either a flyout item or a toolbox item so
-      // decide where it goes based on the type of the previous item.
-      if (!Blockly.registry.hasItem(Blockly.registry.Type.TOOLBOX_ITEM, itemDef['kind']) ||
-          (itemDef['kind'].toLowerCase() == Blockly.ToolboxSeparator.registrationName &&
-          prevIsFlyoutItem)) {
-        var flyoutItem = /** @type {Blockly.utils.toolbox.FlyoutItemInfo} */ (itemDef);
-        this.flyoutItems_.push(flyoutItem);
-        prevIsFlyoutItem = true;
-      } else {
-        this.createToolboxItem_(itemDef);
-        prevIsFlyoutItem = false;
-      }
-    }
-  }
-};
-
-/**
- * Creates a toolbox item and adds it to the list of toolbox items.
- * @param {!Blockly.utils.toolbox.ToolboxItemInfo} itemDef The information needed
- *     to create a toolbox item.
- * @private
- */
-Blockly.CollapsibleToolboxCategory.prototype.createToolboxItem_ = function(itemDef) {
-  var registryName = itemDef['kind'];
-  var categoryDef = /** @type {!Blockly.utils.toolbox.CategoryInfo} */ (itemDef);
-
-  // Categories that are collapsible are created using a class registered under
-  // a diffferent name.
-  if (registryName.toUpperCase() == 'CATEGORY' &&
-      Blockly.utils.toolbox.isCategoryCollapsible(categoryDef)) {
-    registryName = Blockly.CollapsibleToolboxCategory.registrationName;
-  }
-  var ToolboxItemClass = Blockly.registry.getClass(
-      Blockly.registry.Type.TOOLBOX_ITEM, registryName);
-  var toolboxItem = new ToolboxItemClass(itemDef, this.parentToolbox_, this);
-  this.toolboxItems_.push(toolboxItem);
-};
-
-/**
- * @override
- */
-Blockly.CollapsibleToolboxCategory.prototype.init = function() {
-  Blockly.CollapsibleToolboxCategory.superClass_.init.call(this);
-
-  this.setExpanded(this.toolboxItemDef_['expanded'] == 'true' ||
-      this.toolboxItemDef_['expanded']);
-};
-
-/**
- * @override
- */
-Blockly.CollapsibleToolboxCategory.prototype.createDom_ = function() {
-  Blockly.CollapsibleToolboxCategory.superClass_.createDom_.call(this);
-
-  var subCategories = this.getChildToolboxItems();
-  this.subcategoriesDiv_ = this.createSubCategoriesDom_(subCategories);
-  Blockly.utils.aria.setRole(this.subcategoriesDiv_,
-      Blockly.utils.aria.Role.GROUP);
-  this.htmlDiv_.appendChild(this.subcategoriesDiv_);
-
-  return this.htmlDiv_;
-};
-
-/**
- * @override
- */
-Blockly.CollapsibleToolboxCategory.prototype.createIconDom_ = function() {
-  var toolboxIcon = document.createElement('span');
-  if (!this.parentToolbox_.isHorizontal()) {
-    Blockly.utils.dom.addClass(toolboxIcon, this.cssConfig_['icon']);
-    toolboxIcon.style.visibility = 'visible';
-  }
-
-  toolboxIcon.style.display = 'inline-block';
-  return toolboxIcon;
-};
-
-/**
- * Create the dom for all subcategories.
- * @param {!Array<!Blockly.ToolboxItem>} subcategories The subcategories.
- * @return {!Element} The div holding all the subcategories.
- * @protected
- */
-Blockly.CollapsibleToolboxCategory.prototype.createSubCategoriesDom_ = function(subcategories) {
-  var contentsContainer = document.createElement('div');
-  Blockly.utils.dom.addClass(contentsContainer, this.cssConfig_['contents']);
-
-  for (var i = 0; i < subcategories.length; i++) {
-    var newCategory = subcategories[i];
-    newCategory.init();
-    var newCategoryDiv = newCategory.getDiv();
-    contentsContainer.appendChild(newCategoryDiv);
-  }
-  return contentsContainer;
-};
-
-
-/**
- * Opens or closes the current category.
- * @param {boolean} isExpanded True to expand the category, false to close.
- * @public
- */
-Blockly.CollapsibleToolboxCategory.prototype.setExpanded = function(isExpanded) {
-  if (this.expanded_ == isExpanded) {
-    return;
-  }
-  this.expanded_ = isExpanded;
-  if (isExpanded) {
-    this.subcategoriesDiv_.style.display = 'block';
-    this.openIcon_(this.iconDom_);
-  } else {
-    this.subcategoriesDiv_.style.display = 'none';
-    this.closeIcon_(this.iconDom_);
-  }
-  Blockly.utils.aria.setState(/** @type {!Element} */ (this.htmlDiv_),
-      Blockly.utils.aria.State.EXPANDED, isExpanded);
-
-  this.parentToolbox_.handleToolboxItemResize();
-};
-
-/**
- * @override
- */
-Blockly.CollapsibleToolboxCategory.prototype.setVisible_ = function(isVisible) {
-  this.htmlDiv_.style.display = isVisible ? 'block' : 'none';
-  for (var i = 0, child; (child = this.getChildToolboxItems()[i]); i++) {
-    child.setVisible_(isVisible);
-  }
-  this.isHidden_ = !isVisible;
-
-  if (this.parentToolbox_.getSelectedItem() == this) {
-    this.parentToolbox_.clearSelection();
-  }
-};
-
-/**
- * Whether the category is expanded to show its child subcategories.
- * @return {boolean} True if the toolbox item shows its children, false if it
- *     is collapsed.
- * @public
- */
-Blockly.CollapsibleToolboxCategory.prototype.isExpanded = function() {
-  return this.expanded_;
-};
-
-/**
- * @override
- */
-Blockly.CollapsibleToolboxCategory.prototype.isCollapsible = function() {
-  return true;
-};
-
-/**
- * @override
- */
-Blockly.CollapsibleToolboxCategory.prototype.onClick = function(_e) {
-  this.toggleExpanded();
-};
-
-/**
- * Toggles whether or not the category is expanded.
- * @public
- */
-Blockly.CollapsibleToolboxCategory.prototype.toggleExpanded = function() {
-  this.setExpanded(!this.expanded_);
-};
-
-/**
- * @override
- */
-Blockly.CollapsibleToolboxCategory.prototype.getDiv = function() {
-  return this.htmlDiv_;
-};
-
-/**
- * Gets any children toolbox items. (ex. Gets the subcategories)
- * @return {!Array<!Blockly.IToolboxItem>} The child toolbox items.
- */
-Blockly.CollapsibleToolboxCategory.prototype.getChildToolboxItems = function() {
-  return this.toolboxItems_;
-};
-
-
-Blockly.registry.register(Blockly.registry.Type.TOOLBOX_ITEM,
-    Blockly.CollapsibleToolboxCategory.registrationName, Blockly.CollapsibleToolboxCategory);
diff --git a/core/toolbox/collapsible_category.ts b/core/toolbox/collapsible_category.ts
new file mode 100644
index 00000000000..faea8edcb80
--- /dev/null
+++ b/core/toolbox/collapsible_category.ts
@@ -0,0 +1,288 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * A toolbox category used to organize blocks in the toolbox.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.CollapsibleToolboxCategory
+
+import type {ICollapsibleToolboxItem} from '../interfaces/i_collapsible_toolbox_item.js';
+import type {IToolbox} from '../interfaces/i_toolbox.js';
+import type {IToolboxItem} from '../interfaces/i_toolbox_item.js';
+import * as registry from '../registry.js';
+import * as aria from '../utils/aria.js';
+import * as dom from '../utils/dom.js';
+import * as toolbox from '../utils/toolbox.js';
+
+import {ToolboxCategory} from './category.js';
+import {ToolboxSeparator} from './separator.js';
+
+/**
+ * Class for a category in a toolbox that can be collapsed.
+ */
+export class CollapsibleToolboxCategory
+  extends ToolboxCategory
+  implements ICollapsibleToolboxItem
+{
+  /** Name used for registering a collapsible toolbox category. */
+  static override registrationName = 'collapsibleCategory';
+
+  /** Container for any child categories. */
+  protected subcategoriesDiv_: HTMLDivElement | null = null;
+
+  /** Whether or not the category should display its subcategories. */
+  protected expanded_ = false;
+
+  /** The child toolbox items for this category. */
+  protected toolboxItems_: IToolboxItem[] = [];
+
+  /**
+   * @param categoryDef The information needed to create a category in the
+   *     toolbox.
+   * @param toolbox The parent toolbox for the category.
+   * @param opt_parent The parent category or null if the category does not have
+   *     a parent.
+   */
+  constructor(
+    categoryDef: toolbox.CategoryInfo,
+    toolbox: IToolbox,
+    opt_parent?: ICollapsibleToolboxItem,
+  ) {
+    super(categoryDef, toolbox, opt_parent);
+  }
+
+  override makeDefaultCssConfig_() {
+    const cssConfig = super.makeDefaultCssConfig_();
+    cssConfig['contents'] = 'blocklyToolboxContents';
+    return cssConfig;
+  }
+
+  override parseContents_(categoryDef: toolbox.CategoryInfo) {
+    if ('custom' in categoryDef) {
+      this.flyoutItems_ = categoryDef['custom'];
+    } else {
+      const contents = categoryDef['contents'];
+      if (!contents) return;
+      this.flyoutItems_ = [];
+      let prevIsFlyoutItem = true;
+      for (let i = 0; i < contents.length; i++) {
+        const itemDef = contents[i];
+        // Separators can exist as either a flyout item or a toolbox item so
+        // decide where it goes based on the type of the previous item.
+        if (
+          !registry.hasItem(registry.Type.TOOLBOX_ITEM, itemDef['kind']) ||
+          (itemDef['kind'].toLowerCase() ===
+            ToolboxSeparator.registrationName &&
+            prevIsFlyoutItem)
+        ) {
+          const flyoutItem = itemDef as toolbox.FlyoutItemInfo;
+          this.flyoutItems_.push(flyoutItem);
+          prevIsFlyoutItem = true;
+        } else {
+          this.createToolboxItem_(itemDef);
+          prevIsFlyoutItem = false;
+        }
+      }
+    }
+  }
+
+  /**
+   * Creates a toolbox item and adds it to the list of toolbox items.
+   *
+   * @param itemDef The information needed to create a toolbox item.
+   */
+  private createToolboxItem_(itemDef: toolbox.ToolboxItemInfo) {
+    let registryName = itemDef['kind'];
+    const categoryDef = itemDef as toolbox.CategoryInfo;
+    // Categories that are collapsible are created using a class registered
+    // under a different name.
+    if (
+      registryName.toUpperCase() === 'CATEGORY' &&
+      toolbox.isCategoryCollapsible(categoryDef)
+    ) {
+      registryName = CollapsibleToolboxCategory.registrationName;
+    }
+    const ToolboxItemClass = registry.getClass(
+      registry.Type.TOOLBOX_ITEM,
+      registryName,
+    );
+    const toolboxItem = new ToolboxItemClass!(
+      itemDef,
+      this.parentToolbox_,
+      this,
+    );
+    this.toolboxItems_.push(toolboxItem);
+  }
+
+  override init() {
+    super.init();
+
+    this.setExpanded(
+      this.toolboxItemDef_['expanded'] === 'true' ||
+        this.toolboxItemDef_['expanded'] === true,
+    );
+  }
+
+  override createDom_() {
+    super.createDom_();
+
+    const subCategories = this.getChildToolboxItems();
+    this.subcategoriesDiv_ = this.createSubCategoriesDom_(subCategories);
+    aria.setRole(this.subcategoriesDiv_, aria.Role.GROUP);
+    this.htmlDiv_!.appendChild(this.subcategoriesDiv_);
+    this.closeIcon_(this.iconDom_);
+    aria.setState(this.htmlDiv_ as HTMLDivElement, aria.State.EXPANDED, false);
+
+    return this.htmlDiv_!;
+  }
+
+  override createIconDom_() {
+    const toolboxIcon = document.createElement('span');
+    if (!this.parentToolbox_.isHorizontal()) {
+      const className = this.cssConfig_['icon'];
+      if (className) {
+        dom.addClass(toolboxIcon, className);
+      }
+      toolboxIcon.style.visibility = 'visible';
+    }
+
+    toolboxIcon.style.display = 'inline-block';
+    return toolboxIcon;
+  }
+
+  /**
+   * Create the DOM for all subcategories.
+   *
+   * @param subcategories The subcategories.
+   * @returns The div holding all the subcategories.
+   */
+  protected createSubCategoriesDom_(
+    subcategories: IToolboxItem[],
+  ): HTMLDivElement {
+    const contentsContainer = document.createElement('div');
+    contentsContainer.style.display = 'none';
+    const className = this.cssConfig_['contents'];
+    if (className) {
+      dom.addClass(contentsContainer, className);
+    }
+
+    for (let i = 0; i < subcategories.length; i++) {
+      const newCategory = subcategories[i];
+      newCategory.init();
+      const newCategoryDiv = newCategory.getDiv();
+      contentsContainer.appendChild(newCategoryDiv!);
+      if (newCategory.getClickTarget) {
+        newCategory.getClickTarget()?.setAttribute('id', newCategory.getId());
+      }
+    }
+    return contentsContainer;
+  }
+
+  /**
+   * Opens or closes the current category and the associated flyout.
+   *
+   * @param isExpanded True to expand the category, false to close.
+   */
+  setExpanded(isExpanded: boolean) {
+    if (this.expanded_ === isExpanded) return;
+
+    this.expanded_ = isExpanded;
+    if (isExpanded) {
+      this.subcategoriesDiv_!.style.display = 'block';
+      this.openIcon_(this.iconDom_);
+    } else {
+      this.parentToolbox_.getFlyout()?.setVisible(false);
+      this.subcategoriesDiv_!.style.display = 'none';
+      this.closeIcon_(this.iconDom_);
+    }
+    aria.setState(
+      this.htmlDiv_ as HTMLDivElement,
+      aria.State.EXPANDED,
+      isExpanded,
+    );
+
+    this.parentToolbox_.handleToolboxItemResize();
+  }
+
+  override setVisible_(isVisible: boolean) {
+    this.htmlDiv_!.style.display = isVisible ? 'block' : 'none';
+    const childToolboxItems = this.getChildToolboxItems();
+    for (let i = 0; i < childToolboxItems.length; i++) {
+      const child = childToolboxItems[i];
+      child.setVisible_(isVisible);
+    }
+    this.isHidden_ = !isVisible;
+
+    if (this.parentToolbox_.getSelectedItem() === this) {
+      this.parentToolbox_.clearSelection();
+    }
+  }
+
+  /**
+   * Whether the category is expanded to show its child subcategories.
+   *
+   * @returns True if the toolbox item shows its children, false if it is
+   *     collapsed.
+   */
+  isExpanded(): boolean {
+    return this.expanded_;
+  }
+
+  override isCollapsible() {
+    return true;
+  }
+
+  override onClick(_e: Event) {
+    this.toggleExpanded();
+  }
+
+  /** Toggles whether or not the category is expanded. */
+  toggleExpanded() {
+    this.setExpanded(!this.expanded_);
+  }
+
+  override getDiv() {
+    return this.htmlDiv_;
+  }
+
+  /**
+   * Gets any children toolbox items. (ex. Gets the subcategories)
+   *
+   * @returns The child toolbox items.
+   */
+  getChildToolboxItems(): IToolboxItem[] {
+    return this.toolboxItems_;
+  }
+}
+
+export namespace CollapsibleToolboxCategory {
+  /**
+   * All the CSS class names that are used to create a collapsible
+   * category. This is all the properties from the regular category plus
+   * contents.
+   */
+  export interface CssConfig {
+    container: string | null;
+    row: string | null;
+    rowcontentcontainer: string | null;
+    icon: string | null;
+    label: string | null;
+    selected: string | null;
+    openicon: string | null;
+    closedicon: string | null;
+    contents: string | null;
+  }
+}
+
+export type CssConfig = CollapsibleToolboxCategory.CssConfig;
+
+registry.register(
+  registry.Type.TOOLBOX_ITEM,
+  CollapsibleToolboxCategory.registrationName,
+  CollapsibleToolboxCategory,
+);
diff --git a/core/toolbox/separator.js b/core/toolbox/separator.js
deleted file mode 100644
index bac8a5e27a9..00000000000
--- a/core/toolbox/separator.js
+++ /dev/null
@@ -1,123 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview A separator used for separating toolbox categories.
- * @author aschmiedt@google.com (Abby Schmiedt)
- * @author maribethb@google.com (Maribeth Bottorff)
- */
-'use strict';
-
-goog.provide('Blockly.ToolboxSeparator');
-
-goog.require('Blockly.registry');
-goog.require('Blockly.ToolboxItem');
-goog.require('Blockly.utils.dom');
-
-goog.requireType('Blockly.IToolbox');
-goog.requireType('Blockly.IToolboxItem');
-goog.requireType('Blockly.utils.toolbox');
-
-
-/**
- * Class for a toolbox separator. This is the thin visual line that appears on
- * the toolbox. This item is not interactable.
- * @param {!Blockly.utils.toolbox.SeparatorInfo} separatorDef The information
- *     needed to create a separator.
- * @param {!Blockly.IToolbox} toolbox The parent toolbox for the separator.
- * @constructor
- * @extends {Blockly.ToolboxItem}
- * @implements {Blockly.IToolboxItem}
- */
-Blockly.ToolboxSeparator = function(separatorDef, toolbox) {
-
-  Blockly.ToolboxSeparator.superClass_.constructor.call(
-      this, separatorDef, toolbox);
-  /**
-   * All the css class names that are used to create a separator.
-   * @type {!Blockly.ToolboxSeparator.CssConfig}
-   * @protected
-   */
-  this.cssConfig_ = {
-    'container': 'blocklyTreeSeparator'
-  };
-
-  var cssConfig = separatorDef['cssconfig'] || separatorDef['cssConfig'];
-  Blockly.utils.object.mixin(this.cssConfig_, cssConfig);
-};
-Blockly.utils.object.inherits(Blockly.ToolboxSeparator, Blockly.ToolboxItem);
-
-/**
- * All the css class names that are used to create a separator.
- * @typedef {{
- *            container:?string
- *          }}
- */
-Blockly.ToolboxSeparator.CssConfig;
-
-/**
- * Name used for registering a toolbox separator.
- * @const {string}
- */
-Blockly.ToolboxSeparator.registrationName = 'sep';
-
-/**
- * @override
- */
-Blockly.ToolboxSeparator.prototype.init = function() {
-  this.createDom_();
-};
-
-/**
- * Creates the dom for a separator.
- * @return {!Element} The parent element for the separator.
- * @protected
- */
-Blockly.ToolboxSeparator.prototype.createDom_ = function() {
-  var container = document.createElement('div');
-  Blockly.utils.dom.addClass(container, this.cssConfig_['container']);
-  this.htmlDiv_ = container;
-  return container;
-};
-
-/**
- * @override
- */
-Blockly.ToolboxSeparator.prototype.getDiv = function() {
-  return this.htmlDiv_;
-};
-
-/**
- * @override
- */
-Blockly.ToolboxSeparator.prototype.dispose = function() {
-  Blockly.utils.dom.removeNode(this.htmlDiv_);
-};
-
-/**
- * CSS for Toolbox.  See css.js for use.
- */
-Blockly.Css.register([
-  /* eslint-disable indent */
-  '.blocklyTreeSeparator {',
-    'border-bottom: solid #e5e5e5 1px;',
-    'height: 0;',
-    'margin: 5px 0;',
-  '}',
-
-  '.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {',
-    'border-right: solid #e5e5e5 1px;',
-    'border-bottom: none;',
-    'height: auto;',
-    'margin: 0 5px 0 5px;',
-    'padding: 5px 0;',
-    'width: 0;',
-  '}',
-  /* eslint-enable indent */
-]);
-
-Blockly.registry.register(Blockly.registry.Type.TOOLBOX_ITEM,
-    Blockly.ToolboxSeparator.registrationName, Blockly.ToolboxSeparator);
diff --git a/core/toolbox/separator.ts b/core/toolbox/separator.ts
new file mode 100644
index 00000000000..ec003daf686
--- /dev/null
+++ b/core/toolbox/separator.ts
@@ -0,0 +1,105 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * A separator used for separating toolbox categories.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.ToolboxSeparator
+
+import * as Css from '../css.js';
+import type {IToolbox} from '../interfaces/i_toolbox.js';
+import * as registry from '../registry.js';
+import * as dom from '../utils/dom.js';
+import type * as toolbox from '../utils/toolbox.js';
+
+import {ToolboxItem} from './toolbox_item.js';
+
+/**
+ * Class for a toolbox separator. This is the thin visual line that appears on
+ * the toolbox. This item is not interactable.
+ */
+export class ToolboxSeparator extends ToolboxItem {
+  /** Name used for registering a toolbox separator. */
+  static registrationName = 'sep';
+
+  /** All the CSS class names that are used to create a separator. */
+  protected cssConfig_: CssConfig = {'container': 'blocklyTreeSeparator'};
+
+  private htmlDiv_: HTMLDivElement | null = null;
+
+  /**
+   * @param separatorDef The information needed to create a separator.
+   * @param toolbox The parent toolbox for the separator.
+   */
+  constructor(separatorDef: toolbox.SeparatorInfo, toolbox: IToolbox) {
+    super(separatorDef, toolbox);
+
+    const cssConfig =
+      separatorDef['cssconfig'] || (separatorDef as any)['cssConfig'];
+    Object.assign(this.cssConfig_, cssConfig);
+  }
+
+  override init() {
+    this.createDom_();
+  }
+
+  /**
+   * Creates the DOM for a separator.
+   *
+   * @returns The parent element for the separator.
+   */
+  protected createDom_(): HTMLDivElement {
+    const container = document.createElement('div');
+    const className = this.cssConfig_['container'];
+    if (className) {
+      dom.addClass(container, className);
+    }
+    this.htmlDiv_ = container;
+    return container;
+  }
+
+  override getDiv() {
+    return this.htmlDiv_ as HTMLDivElement;
+  }
+
+  override dispose() {
+    dom.removeNode(this.htmlDiv_ as HTMLDivElement);
+  }
+}
+
+export namespace ToolboxSeparator {
+  export interface CssConfig {
+    container: string | undefined;
+  }
+}
+
+export type CssConfig = ToolboxSeparator.CssConfig;
+
+/** CSS for Toolbox.  See css.js for use. */
+Css.register(`
+.blocklyTreeSeparator {
+  border-bottom: solid #e5e5e5 1px;
+  height: 0;
+  margin: 5px 0;
+}
+
+.blocklyToolboxDiv[layout="h"] .blocklyTreeSeparator {
+  border-right: solid #e5e5e5 1px;
+  border-bottom: none;
+  height: auto;
+  margin: 0 5px 0 5px;
+  padding: 5px 0;
+  width: 0;
+}
+`);
+
+registry.register(
+  registry.Type.TOOLBOX_ITEM,
+  ToolboxSeparator.registrationName,
+  ToolboxSeparator,
+);
diff --git a/core/toolbox/toolbox.js b/core/toolbox/toolbox.js
deleted file mode 100644
index b190bccfad3..00000000000
--- a/core/toolbox/toolbox.js
+++ /dev/null
@@ -1,984 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Toolbox from whence to create blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Toolbox');
-
-goog.require('Blockly.CollapsibleToolboxCategory');
-goog.require('Blockly.Css');
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.Ui');
-goog.require('Blockly.navigation');
-goog.require('Blockly.registry');
-goog.require('Blockly.Touch');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.aria');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Rect');
-goog.require('Blockly.utils.toolbox');
-
-goog.requireType('Blockly.Action');
-goog.requireType('Blockly.IBlocklyActionable');
-goog.requireType('Blockly.ICollapsibleToolboxItem');
-goog.requireType('Blockly.IDeleteArea');
-goog.requireType('Blockly.IFlyout');
-goog.requireType('Blockly.ISelectableToolboxItem');
-goog.requireType('Blockly.IStyleable');
-goog.requireType('Blockly.IToolbox');
-goog.requireType('Blockly.IToolboxItem');
-goog.requireType('Blockly.WorkspaceSvg');
-
-
-/**
- * Class for a Toolbox.
- * Creates the toolbox's DOM.
- * @param {!Blockly.WorkspaceSvg} workspace The workspace in which to create new
- *     blocks.
- * @constructor
- * @implements {Blockly.IBlocklyActionable}
- * @implements {Blockly.IDeleteArea}
- * @implements {Blockly.IStyleable}
- * @implements {Blockly.IToolbox}
- */
-Blockly.Toolbox = function(workspace) {
-  /**
-   * The workspace this toolbox is on.
-   * @type {!Blockly.WorkspaceSvg}
-   * @protected
-   */
-  this.workspace_ = workspace;
-
-  /**
-   * The JSON describing the contents of this toolbox.
-   * @type {!Blockly.utils.toolbox.ToolboxInfo}
-   * @protected
-   */
-  this.toolboxDef_ = workspace.options.languageTree || {'contents': []};
-
-  /**
-   * Whether the toolbox should be laid out horizontally.
-   * @type {boolean}
-   * @private
-   */
-  this.horizontalLayout_ = workspace.options.horizontalLayout;
-
-  /**
-   * The html container for the toolbox.
-   * @type {?Element}
-   */
-  this.HtmlDiv = null;
-
-  /**
-   * The html container for the contents of a toolbox.
-   * @type {?Element}
-   * @protected
-   */
-  this.contentsDiv_ = null;
-
-  /**
-   * The list of items in the toolbox.
-   * @type {!Array<!Blockly.IToolboxItem>}
-   * @protected
-   */
-  this.contents_ = [];
-
-  /**
-   * The width of the toolbox.
-   * @type {number}
-   * @protected
-   */
-  this.width_ = 0;
-
-  /**
-   * The height of the toolbox.
-   * @type {number}
-   * @protected
-   */
-  this.height_ = 0;
-
-  /**
-   * Is RTL vs LTR.
-   * @type {boolean}
-   */
-  this.RTL = workspace.options.RTL;
-
-  /**
-   * The flyout for the toolbox.
-   * @type {?Blockly.IFlyout}
-   * @private
-   */
-  this.flyout_ = null;
-
-  /**
-   * A map from toolbox item IDs to toolbox items.
-   * @type {!Object<string, Blockly.IToolboxItem>}
-   * @protected
-   */
-  this.contentMap_ = {};
-
-  /**
-   * Position of the toolbox and flyout relative to the workspace.
-   * @type {!Blockly.utils.toolbox.Position}
-   */
-  this.toolboxPosition = workspace.options.toolboxPosition;
-
-  /**
-   * The currently selected item.
-   * @type {?Blockly.ISelectableToolboxItem}
-   * @protected
-   */
-  this.selectedItem_ = null;
-
-  /**
-   * The previously selected item.
-   * @type {?Blockly.ISelectableToolboxItem}
-   * @protected
-   */
-  this.previouslySelectedItem_ = null;
-
-  /**
-   * Array holding info needed to unbind event handlers.
-   * Used for disposing.
-   * Ex: [[node, name, func], [node, name, func]].
-   * @type {!Array<!Blockly.EventData>}
-   * @protected
-   */
-  this.boundEvents_ = [];
-};
-
-/**
- * Initializes the toolbox
- * @public
- */
-Blockly.Toolbox.prototype.init = function() {
-  var workspace = this.workspace_;
-  var svg = workspace.getParentSvg();
-
-  this.flyout_ = this.createFlyout_();
-
-  this.HtmlDiv = this.createDom_(this.workspace_);
-  Blockly.utils.dom.insertAfter(this.flyout_.createDom('svg'), svg);
-  this.flyout_.init(workspace);
-
-  this.render(this.toolboxDef_);
-  var themeManager = workspace.getThemeManager();
-  themeManager.subscribe(this.HtmlDiv, 'toolboxBackgroundColour',
-      'background-color');
-  themeManager.subscribe(this.HtmlDiv, 'toolboxForegroundColour', 'color');
-};
-
-/**
- * Creates the dom for the toolbox.
- * @param {!Blockly.WorkspaceSvg} workspace The workspace this toolbox is on.
- * @return {!Element} The html container for the toolbox.
- * @protected
- */
-Blockly.Toolbox.prototype.createDom_ = function(workspace) {
-  var svg = workspace.getParentSvg();
-
-  var container = this.createContainer_();
-
-  this.contentsDiv_ = this.createContentsContainer_();
-  this.contentsDiv_.tabIndex = 0;
-  Blockly.utils.aria.setRole(this.contentsDiv_, Blockly.utils.aria.Role.TREE);
-  container.appendChild(this.contentsDiv_);
-
-  svg.parentNode.insertBefore(container, svg);
-
-  this.attachEvents_(container, this.contentsDiv_);
-  return container;
-};
-
-/**
- * Creates the container div for the toolbox.
- * @return {!Element} The html container for the toolbox.
- * @protected
- */
-Blockly.Toolbox.prototype.createContainer_ = function() {
-  var toolboxContainer = document.createElement('div');
-  toolboxContainer.setAttribute('layout', this.isHorizontal() ? 'h' : 'v');
-  Blockly.utils.dom.addClass(toolboxContainer, 'blocklyToolboxDiv');
-  Blockly.utils.dom.addClass(toolboxContainer, 'blocklyNonSelectable');
-  toolboxContainer.setAttribute('dir', this.RTL ? 'RTL' : 'LTR');
-  return toolboxContainer;
-};
-
-/**
- * Creates the container for all the contents in the toolbox.
- * @return {!Element} The html container for the toolbox contents.
- * @protected
- */
-Blockly.Toolbox.prototype.createContentsContainer_ = function() {
-  var contentsContainer = document.createElement('div');
-  Blockly.utils.dom.addClass(contentsContainer, 'blocklyToolboxContents');
-  if (this.isHorizontal()) {
-    contentsContainer.style.flexDirection = 'row';
-  }
-  return contentsContainer;
-};
-
-/**
- * Adds event listeners to the toolbox container div.
- * @param {!Element} container The html container for the toolbox.
- * @param {!Element} contentsContainer The html container for the contents
- *     of the toolbox.
- * @protected
- */
-Blockly.Toolbox.prototype.attachEvents_ = function(container,
-    contentsContainer) {
-  // Clicking on toolbox closes popups.
-  var clickEvent = Blockly.bindEventWithChecks_(container, 'mousedown', this,
-      this.onClick_, /* opt_noCaptureIdentifier */ false,
-      /* opt_noPreventDefault */ true);
-  this.boundEvents_.push(clickEvent);
-
-  var keyDownEvent = Blockly.bindEventWithChecks_(contentsContainer, 'keydown',
-      this, this.onKeyDown_, /* opt_noCaptureIdentifier */ false,
-      /* opt_noPreventDefault */ true);
-  this.boundEvents_.push(keyDownEvent);
-};
-
-/**
- * Handles on click events for when the toolbox or toolbox items are clicked.
- * @param {!Event} e Click event to handle.
- * @protected
- */
-Blockly.Toolbox.prototype.onClick_ = function(e) {
-  if (Blockly.utils.isRightButton(e) || e.target == this.HtmlDiv) {
-    // Close flyout.
-    Blockly.hideChaff(false);
-  } else {
-    var srcElement = e.srcElement;
-    var itemId = srcElement.getAttribute('id');
-    if (itemId) {
-      var item = this.getToolboxItemById(itemId);
-      if (item.isSelectable()) {
-        this.setSelectedItem(item);
-        item.onClick(e);
-      }
-    }
-    // Just close popups.
-    Blockly.hideChaff(true);
-  }
-  Blockly.Touch.clearTouchIdentifier();  // Don't block future drags.
-};
-
-/**
- * Handles key down events for the toolbox.
- * @param {!KeyboardEvent} e The key down event.
- * @protected
- */
-Blockly.Toolbox.prototype.onKeyDown_ = function(e) {
-  var handled = false;
-  switch (e.keyCode) {
-    case Blockly.utils.KeyCodes.DOWN:
-      handled = this.selectNext_();
-      break;
-    case Blockly.utils.KeyCodes.UP:
-      handled = this.selectPrevious_();
-      break;
-    case Blockly.utils.KeyCodes.LEFT:
-      handled = this.selectParent_();
-      break;
-    case Blockly.utils.KeyCodes.RIGHT:
-      handled = this.selectChild_();
-      break;
-    case Blockly.utils.KeyCodes.ENTER:
-    case Blockly.utils.KeyCodes.SPACE:
-      if (this.selectedItem_ && this.selectedItem_.isCollapsible()) {
-        var collapsibleItem = /** @type {!Blockly.ICollapsibleToolboxItem} */ (this.selectedItem_);
-        collapsibleItem.toggleExpanded();
-        handled = true;
-      }
-      break;
-    default:
-      handled = false;
-      break;
-  }
-
-  if (handled) {
-    e.preventDefault();
-  }
-};
-
-/**
- * Creates the flyout based on the toolbox layout.
- * @return {!Blockly.IFlyout} The flyout for the toolbox.
- * @throws {Error} If missing a require for `Blockly.HorizontalFlyout`,
- *     `Blockly.VerticalFlyout`, and no flyout plugin is specified.
- * @protected
- */
-Blockly.Toolbox.prototype.createFlyout_ = function() {
-  var workspace = this.workspace_;
-  // TODO (#4247): Look into adding a makeFlyout method to Blockly Options.
-  var workspaceOptions = new Blockly.Options(
-      /** @type {!Blockly.BlocklyOptions} */
-      ({
-        'parentWorkspace': workspace,
-        'rtl': workspace.RTL,
-        'oneBasedIndex': workspace.options.oneBasedIndex,
-        'horizontalLayout': workspace.horizontalLayout,
-        'renderer': workspace.options.renderer,
-        'rendererOverrides': workspace.options.rendererOverrides
-      }));
-  // Options takes in either 'end' or 'start'. This has already been parsed to
-  // be either 0 or 1, so set it after.
-  workspaceOptions.toolboxPosition = workspace.options.toolboxPosition;
-  var FlyoutClass = null;
-  if (workspace.horizontalLayout) {
-    FlyoutClass = Blockly.registry.getClassFromOptions(
-        Blockly.registry.Type.FLYOUTS_HORIZONTAL_TOOLBOX, workspace.options);
-  } else {
-    FlyoutClass = Blockly.registry.getClassFromOptions(
-        Blockly.registry.Type.FLYOUTS_VERTICAL_TOOLBOX, workspace.options);
-  }
-
-  if (!FlyoutClass) {
-    throw new Error('Blockly.VerticalFlyout, Blockly.HorizontalFlyout or your own' +
-        ' custom flyout must be required.');
-  }
-  return new FlyoutClass(workspaceOptions);
-};
-
-/**
- * Fills the toolbox with new toolbox items and removes any old contents.
- * @param {!Blockly.utils.toolbox.ToolboxInfo} toolboxDef Object holding information
- *     for creating a toolbox.
- * @package
- */
-Blockly.Toolbox.prototype.render = function(toolboxDef) {
-  this.toolboxDef_ = toolboxDef;
-  for (var i = 0; i < this.contents_.length; i++) {
-    var toolboxItem = this.contents_[i];
-    if (toolboxItem) {
-      toolboxItem.dispose();
-    }
-  }
-  this.contents_ = [];
-  this.contentMap_ = {};
-  this.renderContents_(toolboxDef['contents']);
-  this.position();
-};
-
-/**
- * Adds all the toolbox items to the toolbox.
- * @param {!Array<!Blockly.utils.toolbox.ToolboxItemInfo>} toolboxDef Array
- *     holding objects containing information on the contents of the toolbox.
- * @protected
- */
-Blockly.Toolbox.prototype.renderContents_ = function(toolboxDef) {
-  // This is for performance reasons. By using document fragment we only have to
-  // add to the dom once.
-  var fragment = document.createDocumentFragment();
-  for (var i = 0, toolboxItemDef; (toolboxItemDef = toolboxDef[i]); i++) {
-    this.createToolboxItem_(toolboxItemDef, fragment);
-  }
-  this.contentsDiv_.appendChild(fragment);
-};
-
-/**
- * Creates and renders the toolbox item.
- * @param {Blockly.utils.toolbox.ToolboxItemInfo} toolboxItemDef Any information
- *    that can be used to create an item in the toolbox.
- * @param {!DocumentFragment} fragment The document fragment to add the child
- *     toolbox elements to.
- * @private
- */
-Blockly.Toolbox.prototype.createToolboxItem_ = function(toolboxItemDef, fragment) {
-  var registryName = toolboxItemDef['kind'];
-
-  // Categories that are collapsible are created using a class registered under
-  // a diffferent name.
-  if (registryName.toUpperCase() == 'CATEGORY' &&
-      Blockly.utils.toolbox.isCategoryCollapsible(
-      /** @type {!Blockly.utils.toolbox.CategoryInfo} */(toolboxItemDef))) {
-    registryName = Blockly.CollapsibleToolboxCategory.registrationName;
-  }
-
-  var ToolboxItemClass = Blockly.registry.getClass(
-      Blockly.registry.Type.TOOLBOX_ITEM, registryName.toLowerCase());
-  if (ToolboxItemClass) {
-    var toolboxItem = new ToolboxItemClass(toolboxItemDef, this);
-    this.addToolboxItem_(toolboxItem);
-    toolboxItem.init();
-    var toolboxItemDom = toolboxItem.getDiv();
-    if (toolboxItemDom) {
-      fragment.appendChild(toolboxItemDom);
-    }
-  }
-};
-
-/**
- * Adds an item to the toolbox.
- * @param {!Blockly.IToolboxItem} toolboxItem The item in the toolbox.
- * @protected
- */
-Blockly.Toolbox.prototype.addToolboxItem_ = function(toolboxItem) {
-  this.contents_.push(toolboxItem);
-  this.contentMap_[toolboxItem.getId()] = toolboxItem;
-  if (toolboxItem.isCollapsible()) {
-    var collapsibleItem = /** @type {Blockly.ICollapsibleToolboxItem} */
-        (toolboxItem);
-    for (var i = 0, child; (child = collapsibleItem.getChildToolboxItems()[i]); i++) {
-      this.addToolboxItem_(child);
-    }
-  }
-};
-
-/**
- * Gets the items in the toolbox.
- * @return {!Array<!Blockly.IToolboxItem>} The list of items in the toolbox.
- * @public
- */
-Blockly.Toolbox.prototype.getToolboxItems = function() {
-  return this.contents_;
-};
-
-/**
- * Adds a style on the toolbox. Usually used to change the cursor.
- * @param {string} style The name of the class to add.
- * @package
- */
-Blockly.Toolbox.prototype.addStyle = function(style) {
-  Blockly.utils.dom.addClass(/** @type {!Element} */ (this.HtmlDiv), style);
-};
-
-/**
- * Removes a style from the toolbox. Usually used to change the cursor.
- * @param {string} style The name of the class to remove.
- * @package
- */
-Blockly.Toolbox.prototype.removeStyle = function(style) {
-  Blockly.utils.dom.removeClass(/** @type {!Element} */ (this.HtmlDiv), style);
-};
-
-/**
- * Return the deletion rectangle for this toolbox.
- * @return {?Blockly.utils.Rect} Rectangle in which to delete.
- * @public
- */
-Blockly.Toolbox.prototype.getClientRect = function() {
-  if (!this.HtmlDiv) {
-    return null;
-  }
-
-  // BIG_NUM is offscreen padding so that blocks dragged beyond the toolbox
-  // area are still deleted.  Must be smaller than Infinity, but larger than
-  // the largest screen size.
-  var BIG_NUM = 10000000;
-  var toolboxRect = this.HtmlDiv.getBoundingClientRect();
-
-  var top = toolboxRect.top;
-  var bottom = top + toolboxRect.height;
-  var left = toolboxRect.left;
-  var right = left + toolboxRect.width;
-
-  // Assumes that the toolbox is on the SVG edge.  If this changes
-  // (e.g. toolboxes in mutators) then this code will need to be more complex.
-  if (this.toolboxPosition == Blockly.utils.toolbox.Position.TOP) {
-    return new Blockly.utils.Rect(-BIG_NUM, bottom, -BIG_NUM, BIG_NUM);
-  } else if (this.toolboxPosition == Blockly.utils.toolbox.Position.BOTTOM) {
-    return new Blockly.utils.Rect(top, BIG_NUM, -BIG_NUM, BIG_NUM);
-  } else if (this.toolboxPosition == Blockly.utils.toolbox.Position.LEFT) {
-    return new Blockly.utils.Rect(-BIG_NUM, BIG_NUM, -BIG_NUM, right);
-  } else {  // Right
-    return new Blockly.utils.Rect(-BIG_NUM, BIG_NUM, left, BIG_NUM);
-  }
-};
-
-/**
- * Gets the toolbox item with the given id.
- * @param {string} id The id of the toolbox item.
- * @return {?Blockly.IToolboxItem} The toolbox item with the given id, or null if
- *     no item exists.
- * @public
- */
-Blockly.Toolbox.prototype.getToolboxItemById = function(id) {
-  return this.contentMap_[id];
-};
-
-/**
- * Gets the width of the toolbox.
- * @return {number} The width of the toolbox.
- * @public
- */
-Blockly.Toolbox.prototype.getWidth = function() {
-  return this.width_;
-};
-
-/**
- * Gets the height of the toolbox.
- * @return {number} The width of the toolbox.
- * @public
- */
-Blockly.Toolbox.prototype.getHeight = function() {
-  return this.height_;
-};
-
-/**
- * Gets the toolbox flyout.
- * @return {?Blockly.IFlyout} The toolbox flyout.
- * @public
- */
-Blockly.Toolbox.prototype.getFlyout = function() {
-  return this.flyout_;
-};
-
-/**
- * Gets the workspace for the toolbox.
- * @return {!Blockly.WorkspaceSvg} The parent workspace for the toolbox.
- * @public
- */
-Blockly.Toolbox.prototype.getWorkspace = function() {
-  return this.workspace_;
-};
-
-/**
- * Gets the selected item.
- * @return {?Blockly.ISelectableToolboxItem} The selected item, or null if no item is
- *     currently selected.
- * @public
- */
-Blockly.Toolbox.prototype.getSelectedItem = function() {
-  return this.selectedItem_;
-};
-
-/**
- * Gets the previously selected item.
- * @return {?Blockly.ISelectableToolboxItem} The previously selected item, or null if no
- *     item was previously selected.
- * @public
- */
-Blockly.Toolbox.prototype.getPreviouslySelectedItem = function() {
-  return this.previouslySelectedItem_;
-};
-
-/**
- * Gets whether or not the toolbox is horizontal.
- * @return {boolean} True if the toolbox is horizontal, false if the toolbox is
- *     vertical.
- * @public
- */
-Blockly.Toolbox.prototype.isHorizontal = function() {
-  return this.horizontalLayout_;
-};
-
-/**
- * Positions the toolbox based on whether it is a horizontal toolbox and whether
- * the workspace is in rtl.
- * @public
- */
-Blockly.Toolbox.prototype.position = function() {
-  var toolboxDiv = this.HtmlDiv;
-  if (!toolboxDiv) {
-    // Not initialized yet.
-    return;
-  }
-
-  if (this.horizontalLayout_) {
-    toolboxDiv.style.left = '0';
-    toolboxDiv.style.height = 'auto';
-    toolboxDiv.style.width = '100%';
-    this.height_ = toolboxDiv.offsetHeight;
-    if (this.toolboxPosition == Blockly.TOOLBOX_AT_TOP) {  // Top
-      toolboxDiv.style.top = '0';
-    } else {  // Bottom
-      toolboxDiv.style.bottom = '0';
-    }
-  } else {
-    if (this.toolboxPosition == Blockly.TOOLBOX_AT_RIGHT) {  // Right
-      toolboxDiv.style.right = '0';
-    } else {  // Left
-      toolboxDiv.style.left = '0';
-    }
-    toolboxDiv.style.height = '100%';
-    this.width_ = toolboxDiv.offsetWidth;
-  }
-  this.flyout_.position();
-};
-/**
- * Handles resizing the toolbox when a toolbox item resizes.
- * @package
- */
-Blockly.Toolbox.prototype.handleToolboxItemResize = function() {
-  // Reposition the workspace so that (0,0) is in the correct position relative
-  // to the new absolute edge (ie toolbox edge).
-  var workspace = this.workspace_;
-  var rect = this.HtmlDiv.getBoundingClientRect();
-  var newX = this.toolboxPosition == Blockly.TOOLBOX_AT_LEFT ?
-      workspace.scrollX + rect.width : 0;
-  var newY = this.toolboxPosition == Blockly.TOOLBOX_AT_TOP ?
-      workspace.scrollY + rect.height : 0;
-  workspace.translate(newX, newY);
-
-  // Even though the div hasn't changed size, the visible workspace
-  // surface of the workspace has, so we may need to reposition everything.
-  Blockly.svgResize(workspace);
-};
-
-/**
- * Unhighlights any previously selected item.
- * @public
- */
-Blockly.Toolbox.prototype.clearSelection = function() {
-  this.setSelectedItem(null);
-};
-
-/**
- * Updates the category colours and background colour of selected categories.
- * @package
- */
-Blockly.Toolbox.prototype.refreshTheme = function() {
-  for (var i = 0; i < this.contents_.length; i++) {
-    var child = this.contents_[i];
-    if (child.refreshTheme) {
-      child.refreshTheme();
-    }
-  }
-};
-
-/**
- * Updates the flyout's content without closing it.  Should be used in response
- * to a change in one of the dynamic categories, such as variables or
- * procedures.
- * @public
- */
-Blockly.Toolbox.prototype.refreshSelection = function() {
-  if (this.selectedItem_ && this.selectedItem_.isSelectable() &&
-      this.selectedItem_.getContents().length) {
-    this.flyout_.show(this.selectedItem_.getContents());
-  }
-};
-
-/**
- * Shows or hides the toolbox.
- * @param {boolean} isVisible True if toolbox should be visible.
- * @public
- */
-Blockly.Toolbox.prototype.setVisible = function(isVisible) {
-  this.HtmlDiv.style.display = isVisible ? 'block' : 'none';
-};
-
-/**
- * Sets the given item as selected.
- * No-op if the item is not selectable.
- * @param {?Blockly.IToolboxItem} newItem The toolbox item to select.
- * @public
- */
-Blockly.Toolbox.prototype.setSelectedItem = function(newItem) {
-  var oldItem = this.selectedItem_;
-
-  if ((!newItem && !oldItem) || (newItem && !newItem.isSelectable())) {
-    return;
-  }
-  newItem = /** @type {Blockly.ISelectableToolboxItem} */ (newItem);
-
-  if (this.shouldDeselectItem_(oldItem, newItem) && oldItem != null) {
-    this.deselectItem_(oldItem);
-  }
-
-  if (this.shouldSelectItem_(oldItem, newItem) && newItem != null) {
-    this.selectItem_(oldItem, newItem);
-  }
-
-  this.updateFlyout_(oldItem, newItem);
-  this.fireSelectEvent_(oldItem, newItem);
-};
-
-/**
- * Decides whether the old item should be deselected.
- * @param {?Blockly.ISelectableToolboxItem} oldItem The previously selected
- *     toolbox item.
- * @param {?Blockly.ISelectableToolboxItem} newItem The newly selected toolbox
- *     item.
- * @return {boolean} True if the old item should be deselected, false otherwise.
- * @protected
- */
-Blockly.Toolbox.prototype.shouldDeselectItem_ = function(oldItem, newItem) {
-  // Deselect the old item unless the old item is collapsible and has been
-  // previously clicked on.
-  return oldItem != null && (!oldItem.isCollapsible() || oldItem != newItem);
-};
-
-/**
- * Decides whether the new item should be selected.
- * @param {?Blockly.ISelectableToolboxItem} oldItem The previously selected
- *     toolbox item.
- * @param {?Blockly.ISelectableToolboxItem} newItem The newly selected toolbox
- *     item.
- * @return {boolean} True if the new item should be selected, false otherwise.
- * @protected
- */
-Blockly.Toolbox.prototype.shouldSelectItem_ = function(oldItem, newItem) {
-  // Select the new item unless the old item equals the new item.
-  return newItem != null && newItem != oldItem;
-};
-
-/**
- * Deselects the given item, marks it as unselected, and updates aria state.
- * @param {!Blockly.ISelectableToolboxItem} item The previously selected
- *     toolbox item which should be deselected.
- * @protected
- */
-Blockly.Toolbox.prototype.deselectItem_ = function(item) {
-  this.selectedItem_ = null;
-  this.previouslySelectedItem_ = item;
-  item.setSelected(false);
-  Blockly.utils.aria.setState(/** @type {!Element} */ (this.contentsDiv_),
-      Blockly.utils.aria.State.ACTIVEDESCENDANT, '');
-};
-
-/**
- * Selects the given item, marks it selected, and updates aria state.
- * @param {?Blockly.ISelectableToolboxItem} oldItem The previously selected
- *     toolbox item.
- * @param {!Blockly.ISelectableToolboxItem} newItem The newly selected toolbox
- *     item.
- * @protected
- */
-Blockly.Toolbox.prototype.selectItem_ = function(oldItem, newItem) {
-  this.selectedItem_ = newItem;
-  this.previouslySelectedItem_ = oldItem;
-  newItem.setSelected(true);
-  Blockly.utils.aria.setState(/** @type {!Element} */ (this.contentsDiv_),
-      Blockly.utils.aria.State.ACTIVEDESCENDANT, newItem.getId());
-};
-
-/**
- * Selects the toolbox item by its position in the list of toolbox items.
- * @param {number} position The position of the item to select.
- * @public
- */
-Blockly.Toolbox.prototype.selectItemByPosition = function(position) {
-  if (position > -1 && position < this.contents_.length) {
-    var item = this.contents_[position];
-    if (item.isSelectable()) {
-      this.setSelectedItem(item);
-    }
-  }
-};
-
-/**
- * Decides whether to hide or show the flyout depending on the selected item.
- * @param {?Blockly.ISelectableToolboxItem} oldItem The previously selected toolbox item.
- * @param {?Blockly.ISelectableToolboxItem} newItem The newly selected toolbox item.
- * @protected
- */
-Blockly.Toolbox.prototype.updateFlyout_ = function(oldItem, newItem) {
-  if ((oldItem == newItem && !newItem.isCollapsible()) || !newItem ||
-      !newItem.getContents().length) {
-    this.flyout_.hide();
-  } else {
-    this.flyout_.show(newItem.getContents());
-    this.flyout_.scrollToStart();
-  }
-};
-
-/**
- * Emits an event when a new toolbox item is selected.
- * @param {?Blockly.ISelectableToolboxItem} oldItem The previously selected
- *     toolbox item.
- * @param {?Blockly.ISelectableToolboxItem} newItem The newly selected toolbox
- *     item.
- * @private
- */
-Blockly.Toolbox.prototype.fireSelectEvent_ = function(oldItem, newItem) {
-  var oldElement = oldItem && oldItem.getName();
-  var newElement = newItem && newItem.getName();
-  // In this case the toolbox closes, so the newElement should be null.
-  if (oldItem == newItem) {
-    newElement = null;
-  }
-  // TODO (#4187): Update Toolbox Events.
-  var event = new Blockly.Events.Ui(null, 'category',
-      oldElement, newElement);
-  event.workspaceId = this.workspace_.id;
-  Blockly.Events.fire(event);
-};
-
-/**
- * Handles the given Blockly action on a toolbox.
- * This is only triggered when keyboard accessibility mode is enabled.
- * @param {!Blockly.Action} action The action to be handled.
- * @return {boolean} True if the field handled the action, false otherwise.
- * @package
- */
-Blockly.Toolbox.prototype.onBlocklyAction = function(action) {
-  var selected = this.selectedItem_;
-  if (!selected) {
-    return false;
-  }
-  switch (action.name) {
-    case Blockly.navigation.actionNames.PREVIOUS:
-      return this.selectPrevious_();
-    case Blockly.navigation.actionNames.OUT:
-      return this.selectParent_();
-    case Blockly.navigation.actionNames.NEXT:
-      return this.selectNext_();
-    case Blockly.navigation.actionNames.IN:
-      return this.selectChild_();
-    default:
-      return false;
-  }
-};
-
-/**
- * Closes the current item if it is expanded, or selects the parent.
- * @return {boolean} True if a parent category was selected, false otherwise.
- * @private
- */
-Blockly.Toolbox.prototype.selectParent_ = function() {
-  if (!this.selectedItem_) {
-    return false;
-  }
-
-  if (this.selectedItem_.isCollapsible() && this.selectedItem_.isExpanded()) {
-    var collapsibleItem = /** @type {!Blockly.ICollapsibleToolboxItem} */ (this.selectedItem_);
-    collapsibleItem.setExpanded(false);
-    return true;
-  } else if (this.selectedItem_.getParent() &&
-      this.selectedItem_.getParent().isSelectable()) {
-    this.setSelectedItem(this.selectedItem_.getParent());
-    return true;
-  }
-  return false;
-};
-
-/**
- * Selects the first child of the currently selected item, or nothing if the
- * toolbox item has no children.
- * @return {boolean} True if a child category was selected, false otherwise.
- * @private
- */
-Blockly.Toolbox.prototype.selectChild_ = function() {
-  if (!this.selectedItem_ || !this.selectedItem_.isCollapsible()) {
-    return false;
-  }
-  var collapsibleItem = /** @type {Blockly.ICollapsibleToolboxItem} */
-      (this.selectedItem_);
-  if (!collapsibleItem.isExpanded()) {
-    collapsibleItem.setExpanded(true);
-    return true;
-  } else {
-    this.selectNext_();
-    return true;
-  }
-};
-
-/**
- * Selects the next visible toolbox item.
- * @return {boolean} True if a next category was selected, false otherwise.
- * @private
- */
-Blockly.Toolbox.prototype.selectNext_ = function() {
-  if (!this.selectedItem_) {
-    return false;
-  }
-
-  var nextItemIdx = this.contents_.indexOf(this.selectedItem_) + 1;
-  if (nextItemIdx > -1 && nextItemIdx < this.contents_.length) {
-    var nextItem = this.contents_[nextItemIdx];
-    while (nextItem && !nextItem.isSelectable()) {
-      nextItem = this.contents_[++nextItemIdx];
-    }
-    if (nextItem && nextItem.isSelectable()) {
-      this.setSelectedItem(nextItem);
-      return true;
-    }
-  }
-  return false;
-};
-
-/**
- * Selects the previous visible toolbox item.
- * @return {boolean} True if a previous category was selected, false otherwise.
- * @private
- */
-Blockly.Toolbox.prototype.selectPrevious_ = function() {
-  if (!this.selectedItem_) {
-    return false;
-  }
-
-  var prevItemIdx = this.contents_.indexOf(this.selectedItem_) - 1;
-  if (prevItemIdx > -1 && prevItemIdx < this.contents_.length) {
-    var prevItem = this.contents_[prevItemIdx];
-    while (prevItem && !prevItem.isSelectable()) {
-      prevItem = this.contents_[--prevItemIdx];
-    }
-    if (prevItem && prevItem.isSelectable()) {
-      this.setSelectedItem(prevItem);
-      return true;
-    }
-  }
-  return false;
-};
-
-/**
- * Disposes of this toolbox.
- * @public
- */
-Blockly.Toolbox.prototype.dispose = function() {
-  this.flyout_.dispose();
-  for (var i = 0; i < this.contents_.length; i++) {
-    var toolboxItem = this.contents_[i];
-    toolboxItem.dispose();
-  }
-
-  for (var j = 0; j < this.boundEvents_.length; j++) {
-    Blockly.unbindEvent_(this.boundEvents_[j]);
-  }
-  this.boundEvents_ = [];
-  this.contents_ = [];
-
-  this.workspace_.getThemeManager().unsubscribe(this.HtmlDiv);
-  Blockly.utils.dom.removeNode(this.HtmlDiv);
-};
-
-/**
- * CSS for Toolbox.  See css.js for use.
- */
-Blockly.Css.register([
-  /* eslint-disable indent */
-  '.blocklyToolboxDelete {',
-    'cursor: url("<<<PATH>>>/handdelete.cur"), auto;',
-  '}',
-
-  '.blocklyToolboxGrab {',
-    'cursor: url("<<<PATH>>>/handclosed.cur"), auto;',
-    'cursor: grabbing;',
-    'cursor: -webkit-grabbing;',
-  '}',
-
-  /* Category tree in Toolbox. */
-  '.blocklyToolboxDiv {',
-    'background-color: #ddd;',
-    'overflow-x: visible;',
-    'overflow-y: auto;',
-    'padding: 4px 0 4px 0;',
-    'position: absolute;',
-    'z-index: 70;', /* so blocks go under toolbox when dragging */
-    '-webkit-tap-highlight-color: transparent;', /* issue #1345 */
-  '}',
-
-  '.blocklyToolboxContents {',
-    'display: flex;',
-    'flex-wrap: wrap;',
-    'flex-direction: column;',
-  '}',
-
-  '.blocklyToolboxContents:focus {',
-    'outline: none;',
-  '}',
-  /* eslint-enable indent */
-]);
-
-Blockly.registry.register(Blockly.registry.Type.TOOLBOX,
-    Blockly.registry.DEFAULT, Blockly.Toolbox);
diff --git a/core/toolbox/toolbox.ts b/core/toolbox/toolbox.ts
new file mode 100644
index 00000000000..e0fb62e23da
--- /dev/null
+++ b/core/toolbox/toolbox.ts
@@ -0,0 +1,1125 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Toolbox from whence to create blocks.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Toolbox
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import '../events/events_toolbox_item_select.js';
+
+import {BlockSvg} from '../block_svg.js';
+import type {BlocklyOptions} from '../blockly_options.js';
+import * as browserEvents from '../browser_events.js';
+import * as common from '../common.js';
+import {ComponentManager} from '../component_manager.js';
+import * as Css from '../css.js';
+import {DeleteArea} from '../delete_area.js';
+import * as eventUtils from '../events/utils.js';
+import type {IAutoHideable} from '../interfaces/i_autohideable.js';
+import type {ICollapsibleToolboxItem} from '../interfaces/i_collapsible_toolbox_item.js';
+import type {IDraggable} from '../interfaces/i_draggable.js';
+import type {IFlyout} from '../interfaces/i_flyout.js';
+import type {IKeyboardAccessible} from '../interfaces/i_keyboard_accessible.js';
+import type {ISelectableToolboxItem} from '../interfaces/i_selectable_toolbox_item.js';
+import {isSelectableToolboxItem} from '../interfaces/i_selectable_toolbox_item.js';
+import type {IStyleable} from '../interfaces/i_styleable.js';
+import type {IToolbox} from '../interfaces/i_toolbox.js';
+import type {IToolboxItem} from '../interfaces/i_toolbox_item.js';
+import {Options} from '../options.js';
+import * as registry from '../registry.js';
+import type {KeyboardShortcut} from '../shortcut_registry.js';
+import * as Touch from '../touch.js';
+import * as aria from '../utils/aria.js';
+import * as dom from '../utils/dom.js';
+import {Rect} from '../utils/rect.js';
+import * as toolbox from '../utils/toolbox.js';
+import type {WorkspaceSvg} from '../workspace_svg.js';
+import type {ToolboxCategory} from './category.js';
+import {CollapsibleToolboxCategory} from './collapsible_category.js';
+import {isDeletable} from '../interfaces/i_deletable.js';
+
+/**
+ * Class for a Toolbox.
+ * Creates the toolbox's DOM.
+ */
+export class Toolbox
+  extends DeleteArea
+  implements IAutoHideable, IKeyboardAccessible, IStyleable, IToolbox
+{
+  /**
+   * The unique ID for this component that is used to register with the
+   * ComponentManager.
+   */
+  override id = 'toolbox';
+  protected toolboxDef_: toolbox.ToolboxInfo;
+  private readonly horizontalLayout_: boolean;
+
+  /** The HTML container for the toolbox. */
+  HtmlDiv: HTMLDivElement | null = null;
+
+  /** The HTML container for the contents of a toolbox. */
+  protected contentsDiv_: HTMLDivElement | null = null;
+
+  /** Whether the Toolbox is visible. */
+  protected isVisible_ = false;
+
+  /** The list of items in the toolbox. */
+  protected contents_: IToolboxItem[] = [];
+
+  /** The width of the toolbox. */
+  protected width_ = 0;
+
+  /** The height of the toolbox. */
+  protected height_ = 0;
+  RTL: boolean;
+
+  /** The flyout for the toolbox. */
+  private flyout_: IFlyout | null = null;
+  protected contentMap_: {[key: string]: IToolboxItem};
+  toolboxPosition: toolbox.Position;
+
+  /** The currently selected item. */
+  protected selectedItem_: ISelectableToolboxItem | null = null;
+
+  /** The previously selected item. */
+  protected previouslySelectedItem_: ISelectableToolboxItem | null = null;
+
+  /**
+   * Array holding info needed to unbind event handlers.
+   * Used for disposing.
+   * Ex: [[node, name, func], [node, name, func]].
+   */
+  protected boundEvents_: browserEvents.Data[] = [];
+
+  /** The workspace this toolbox is on. */
+  protected readonly workspace_: WorkspaceSvg;
+
+  /** @param workspace The workspace in which to create new blocks. */
+  constructor(workspace: WorkspaceSvg) {
+    super();
+
+    this.workspace_ = workspace;
+
+    /** The JSON describing the contents of this toolbox. */
+    this.toolboxDef_ = workspace.options.languageTree || {
+      contents: new Array<toolbox.ToolboxItemInfo>(),
+    };
+
+    /** Whether the toolbox should be laid out horizontally. */
+    this.horizontalLayout_ = workspace.options.horizontalLayout;
+
+    /** Is RTL vs LTR. */
+    this.RTL = workspace.options.RTL;
+
+    /** A map from toolbox item IDs to toolbox items. */
+    this.contentMap_ = Object.create(null);
+
+    /** Position of the toolbox and flyout relative to the workspace. */
+    this.toolboxPosition = workspace.options.toolboxPosition;
+  }
+
+  /**
+   * Handles the given keyboard shortcut.
+   *
+   * @param _shortcut The shortcut to be handled.
+   * @returns True if the shortcut has been handled, false otherwise.
+   */
+  onShortcut(_shortcut: KeyboardShortcut): boolean {
+    return false;
+  }
+
+  /** Initializes the toolbox */
+  init() {
+    const workspace = this.workspace_;
+    const svg = workspace.getParentSvg();
+
+    this.flyout_ = this.createFlyout_();
+
+    this.HtmlDiv = this.createDom_(this.workspace_);
+    dom.insertAfter(this.flyout_.createDom('svg'), svg);
+    this.setVisible(true);
+    this.flyout_.init(workspace);
+
+    this.render(this.toolboxDef_);
+    const themeManager = workspace.getThemeManager();
+    themeManager.subscribe(
+      this.HtmlDiv,
+      'toolboxBackgroundColour',
+      'background-color',
+    );
+    themeManager.subscribe(this.HtmlDiv, 'toolboxForegroundColour', 'color');
+    this.workspace_.getComponentManager().addComponent({
+      component: this,
+      weight: 1,
+      capabilities: [
+        ComponentManager.Capability.AUTOHIDEABLE,
+        ComponentManager.Capability.DELETE_AREA,
+        ComponentManager.Capability.DRAG_TARGET,
+      ],
+    });
+  }
+
+  /**
+   * Creates the DOM for the toolbox.
+   *
+   * @param workspace The workspace this toolbox is on.
+   * @returns The HTML container for the toolbox.
+   */
+  protected createDom_(workspace: WorkspaceSvg): HTMLDivElement {
+    const svg = workspace.getParentSvg();
+
+    const container = this.createContainer_();
+
+    this.contentsDiv_ = this.createContentsContainer_();
+    this.contentsDiv_.tabIndex = 0;
+    aria.setRole(this.contentsDiv_, aria.Role.TREE);
+    container.appendChild(this.contentsDiv_);
+
+    svg.parentNode!.insertBefore(container, svg);
+
+    this.attachEvents_(container, this.contentsDiv_);
+    return container;
+  }
+
+  /**
+   * Creates the container div for the toolbox.
+   *
+   * @returns The HTML container for the toolbox.
+   */
+  protected createContainer_(): HTMLDivElement {
+    const toolboxContainer = document.createElement('div');
+    toolboxContainer.setAttribute('layout', this.isHorizontal() ? 'h' : 'v');
+    dom.addClass(toolboxContainer, 'blocklyToolboxDiv');
+    dom.addClass(toolboxContainer, 'blocklyNonSelectable');
+    toolboxContainer.setAttribute('dir', this.RTL ? 'RTL' : 'LTR');
+    return toolboxContainer;
+  }
+
+  /**
+   * Creates the container for all the contents in the toolbox.
+   *
+   * @returns The HTML container for the toolbox contents.
+   */
+  protected createContentsContainer_(): HTMLDivElement {
+    const contentsContainer = document.createElement('div');
+    dom.addClass(contentsContainer, 'blocklyToolboxContents');
+    if (this.isHorizontal()) {
+      contentsContainer.style.flexDirection = 'row';
+    }
+    return contentsContainer;
+  }
+
+  /**
+   * Adds event listeners to the toolbox container div.
+   *
+   * @param container The HTML container for the toolbox.
+   * @param contentsContainer The HTML container for the contents of the
+   *     toolbox.
+   */
+  protected attachEvents_(
+    container: HTMLDivElement,
+    contentsContainer: HTMLDivElement,
+  ) {
+    // Clicking on toolbox closes popups.
+    const clickEvent = browserEvents.conditionalBind(
+      container,
+      'pointerdown',
+      this,
+      this.onClick_,
+      /* opt_noCaptureIdentifier */ false,
+    );
+    this.boundEvents_.push(clickEvent);
+
+    const keyDownEvent = browserEvents.conditionalBind(
+      contentsContainer,
+      'keydown',
+      this,
+      this.onKeyDown_,
+      /* opt_noCaptureIdentifier */ false,
+    );
+    this.boundEvents_.push(keyDownEvent);
+  }
+
+  /**
+   * Handles on click events for when the toolbox or toolbox items are clicked.
+   *
+   * @param e Click event to handle.
+   */
+  protected onClick_(e: PointerEvent) {
+    if (browserEvents.isRightButton(e) || e.target === this.HtmlDiv) {
+      // Close flyout.
+      (common.getMainWorkspace() as WorkspaceSvg).hideChaff(false);
+    } else {
+      const targetElement = e.target;
+      const itemId = (targetElement as Element).getAttribute('id');
+      if (itemId) {
+        const item = this.getToolboxItemById(itemId);
+        if (item!.isSelectable()) {
+          this.setSelectedItem(item);
+          (item as ISelectableToolboxItem).onClick(e);
+        }
+      }
+      // Just close popups.
+      (common.getMainWorkspace() as WorkspaceSvg).hideChaff(true);
+    }
+    Touch.clearTouchIdentifier();
+  }
+
+  /**
+   * Handles key down events for the toolbox.
+   *
+   * @param e The key down event.
+   */
+  protected onKeyDown_(e: KeyboardEvent) {
+    let handled = false;
+    switch (e.key) {
+      case 'ArrowDown':
+        handled = this.selectNext_();
+        break;
+      case 'ArrowUp':
+        handled = this.selectPrevious_();
+        break;
+      case 'ArrowLeft':
+        handled = this.selectParent_();
+        break;
+      case 'ArrowRight':
+        handled = this.selectChild_();
+        break;
+      case 'Enter':
+      case ' ':
+        if (this.selectedItem_ && this.selectedItem_.isCollapsible()) {
+          const collapsibleItem = this.selectedItem_ as ICollapsibleToolboxItem;
+          collapsibleItem.toggleExpanded();
+          handled = true;
+        }
+        break;
+      default:
+        handled = false;
+        break;
+    }
+    if (!handled && this.selectedItem_) {
+      // TODO(#6097): Figure out who implements onKeyDown and which interface it
+      // should be part of.
+      if ((this.selectedItem_ as any).onKeyDown) {
+        handled = (this.selectedItem_ as any).onKeyDown(e);
+      }
+    }
+
+    if (handled) {
+      e.preventDefault();
+    }
+  }
+
+  /**
+   * Creates the flyout based on the toolbox layout.
+   *
+   * @returns The flyout for the toolbox.
+   * @throws {Error} If missing a require for `Blockly.HorizontalFlyout`,
+   *     `Blockly.VerticalFlyout`, and no flyout plugin is specified.
+   */
+  protected createFlyout_(): IFlyout {
+    const workspace = this.workspace_;
+    // TODO (#4247): Look into adding a makeFlyout method to Blockly Options.
+    const workspaceOptions = new Options({
+      'parentWorkspace': workspace,
+      'rtl': workspace.RTL,
+      'oneBasedIndex': workspace.options.oneBasedIndex,
+      'horizontalLayout': workspace.horizontalLayout,
+      'renderer': workspace.options.renderer,
+      'rendererOverrides': workspace.options.rendererOverrides,
+      'move': {
+        'scrollbars': true,
+      },
+    } as BlocklyOptions);
+    // Options takes in either 'end' or 'start'. This has already been parsed to
+    // be either 0 or 1, so set it after.
+    workspaceOptions.toolboxPosition = workspace.options.toolboxPosition;
+    let FlyoutClass = null;
+    if (workspace.horizontalLayout) {
+      FlyoutClass = registry.getClassFromOptions(
+        registry.Type.FLYOUTS_HORIZONTAL_TOOLBOX,
+        workspace.options,
+        true,
+      );
+    } else {
+      FlyoutClass = registry.getClassFromOptions(
+        registry.Type.FLYOUTS_VERTICAL_TOOLBOX,
+        workspace.options,
+        true,
+      );
+    }
+    return new FlyoutClass!(workspaceOptions);
+  }
+
+  /**
+   * Fills the toolbox with new toolbox items and removes any old contents.
+   *
+   * @param toolboxDef Object holding information for creating a toolbox.
+   * @internal
+   */
+  render(toolboxDef: toolbox.ToolboxInfo) {
+    this.toolboxDef_ = toolboxDef;
+    for (let i = 0; i < this.contents_.length; i++) {
+      const toolboxItem = this.contents_[i];
+      if (toolboxItem) {
+        toolboxItem.dispose();
+      }
+    }
+    this.contents_ = [];
+    this.contentMap_ = Object.create(null);
+    this.renderContents_(toolboxDef['contents']);
+    this.position();
+    this.handleToolboxItemResize();
+  }
+
+  /**
+   * Adds all the toolbox items to the toolbox.
+   *
+   * @param toolboxDef Array holding objects containing information on the
+   *     contents of the toolbox.
+   */
+  protected renderContents_(toolboxDef: toolbox.ToolboxItemInfo[]) {
+    // This is for performance reasons. By using document fragment we only have
+    // to add to the DOM once.
+    const fragment = document.createDocumentFragment();
+    for (let i = 0; i < toolboxDef.length; i++) {
+      const toolboxItemDef = toolboxDef[i];
+      this.createToolboxItem_(toolboxItemDef, fragment);
+    }
+    this.contentsDiv_!.appendChild(fragment);
+  }
+
+  /**
+   * Creates and renders the toolbox item.
+   *
+   * @param toolboxItemDef Any information that can be used to create an item in
+   *     the toolbox.
+   * @param fragment The document fragment to add the child toolbox elements to.
+   */
+  private createToolboxItem_(
+    toolboxItemDef: toolbox.ToolboxItemInfo,
+    fragment: DocumentFragment,
+  ) {
+    let registryName = toolboxItemDef['kind'];
+
+    // Categories that are collapsible are created using a class registered
+    // under a different name.
+    if (
+      registryName.toUpperCase() === 'CATEGORY' &&
+      toolbox.isCategoryCollapsible(toolboxItemDef as toolbox.CategoryInfo)
+    ) {
+      registryName = CollapsibleToolboxCategory.registrationName;
+    }
+
+    const ToolboxItemClass = registry.getClass(
+      registry.Type.TOOLBOX_ITEM,
+      registryName.toLowerCase(),
+    );
+    if (ToolboxItemClass) {
+      const toolboxItem = new ToolboxItemClass(toolboxItemDef, this);
+      toolboxItem.init();
+      this.addToolboxItem_(toolboxItem);
+      const toolboxItemDom = toolboxItem.getDiv();
+      if (toolboxItemDom) {
+        fragment.appendChild(toolboxItemDom);
+      }
+      // Adds the ID to the HTML element that can receive a click.
+      // This is used in onClick_ to find the toolboxItem that was clicked.
+      if (toolboxItem.getClickTarget()) {
+        toolboxItem.getClickTarget()!.setAttribute('id', toolboxItem.getId());
+      }
+    }
+  }
+
+  /**
+   * Adds an item to the toolbox.
+   *
+   * @param toolboxItem The item in the toolbox.
+   */
+  protected addToolboxItem_(toolboxItem: IToolboxItem) {
+    this.contents_.push(toolboxItem);
+    this.contentMap_[toolboxItem.getId()] = toolboxItem;
+    if (toolboxItem.isCollapsible()) {
+      const collapsibleItem = toolboxItem as ICollapsibleToolboxItem;
+      const childToolboxItems = collapsibleItem.getChildToolboxItems();
+      for (let i = 0; i < childToolboxItems.length; i++) {
+        const child = childToolboxItems[i];
+        this.addToolboxItem_(child);
+      }
+    }
+  }
+
+  /**
+   * Gets the items in the toolbox.
+   *
+   * @returns The list of items in the toolbox.
+   */
+  getToolboxItems(): IToolboxItem[] {
+    return this.contents_;
+  }
+
+  /**
+   * Adds a style on the toolbox. Usually used to change the cursor.
+   *
+   * @param style The name of the class to add.
+   * @internal
+   */
+  addStyle(style: string) {
+    if (style && this.HtmlDiv) {
+      dom.addClass(this.HtmlDiv, style);
+    }
+  }
+
+  /**
+   * Removes a style from the toolbox. Usually used to change the cursor.
+   *
+   * @param style The name of the class to remove.
+   * @internal
+   */
+  removeStyle(style: string) {
+    if (style && this.HtmlDiv) {
+      dom.removeClass(this.HtmlDiv, style);
+    }
+  }
+
+  /**
+   * Returns the bounding rectangle of the drag target area in pixel units
+   * relative to viewport.
+   *
+   * @returns The component's bounding box. Null if drag target area should be
+   *     ignored.
+   */
+  override getClientRect(): Rect | null {
+    if (!this.HtmlDiv || !this.isVisible_) {
+      return null;
+    }
+    // BIG_NUM is offscreen padding so that blocks dragged beyond the toolbox
+    // area are still deleted.  Must be smaller than Infinity, but larger than
+    // the largest screen size.
+    const BIG_NUM = 10000000;
+    const toolboxRect = this.HtmlDiv.getBoundingClientRect();
+
+    const top = toolboxRect.top;
+    const bottom = top + toolboxRect.height;
+    const left = toolboxRect.left;
+    const right = left + toolboxRect.width;
+
+    // Assumes that the toolbox is on the SVG edge.  If this changes
+    // (e.g. toolboxes in mutators) then this code will need to be more complex.
+    if (this.toolboxPosition === toolbox.Position.TOP) {
+      return new Rect(-BIG_NUM, bottom, -BIG_NUM, BIG_NUM);
+    } else if (this.toolboxPosition === toolbox.Position.BOTTOM) {
+      return new Rect(top, BIG_NUM, -BIG_NUM, BIG_NUM);
+    } else if (this.toolboxPosition === toolbox.Position.LEFT) {
+      return new Rect(-BIG_NUM, BIG_NUM, -BIG_NUM, right);
+    } else {
+      // Right
+      return new Rect(-BIG_NUM, BIG_NUM, left, BIG_NUM);
+    }
+  }
+
+  /**
+   * Returns whether the provided block or bubble would be deleted if dropped on
+   * this area.
+   * This method should check if the element is deletable and is always called
+   * before onDragEnter/onDragOver/onDragExit.
+   *
+   * @param element The block or bubble currently being dragged.
+   * @returns Whether the element provided would be deleted if dropped on this
+   *     area.
+   */
+  override wouldDelete(element: IDraggable): boolean {
+    if (element instanceof BlockSvg) {
+      const block = element;
+      this.updateWouldDelete_(!block.getParent() && block.isDeletable());
+    } else {
+      this.updateWouldDelete_(isDeletable(element) && element.isDeletable());
+    }
+    return this.wouldDelete_;
+  }
+
+  /**
+   * Handles when a cursor with a block or bubble enters this drag target.
+   *
+   * @param _dragElement The block or bubble currently being dragged.
+   */
+  override onDragEnter(_dragElement: IDraggable) {
+    this.updateCursorDeleteStyle_(true);
+  }
+
+  /**
+   * Handles when a cursor with a block or bubble exits this drag target.
+   *
+   * @param _dragElement The block or bubble currently being dragged.
+   */
+  override onDragExit(_dragElement: IDraggable) {
+    this.updateCursorDeleteStyle_(false);
+  }
+
+  /**
+   * Handles when a block or bubble is dropped on this component.
+   * Should not handle delete here.
+   *
+   * @param _dragElement The block or bubble currently being dragged.
+   */
+  override onDrop(_dragElement: IDraggable) {
+    this.updateCursorDeleteStyle_(false);
+  }
+
+  /**
+   * Updates the internal wouldDelete_ state.
+   *
+   * @param wouldDelete The new value for the wouldDelete state.
+   */
+  protected override updateWouldDelete_(wouldDelete: boolean) {
+    if (wouldDelete === this.wouldDelete_) {
+      return;
+    }
+    // This logic handles updating the deleteStyle properly if the delete state
+    // changes while the block is over the Toolbox. This could happen if the
+    // implementation of wouldDeleteBlock depends on the couldConnect parameter
+    // or if the isDeletable property of the block currently being dragged
+    // changes during the drag.
+    this.updateCursorDeleteStyle_(false);
+    this.wouldDelete_ = wouldDelete;
+    this.updateCursorDeleteStyle_(true);
+  }
+
+  /**
+   * Adds or removes the CSS style of the cursor over the toolbox based whether
+   * the block or bubble over it is expected to be deleted if dropped (using the
+   * internal this.wouldDelete_ property).
+   *
+   * @param addStyle Whether the style should be added or removed.
+   */
+  protected updateCursorDeleteStyle_(addStyle: boolean) {
+    const style = this.wouldDelete_
+      ? 'blocklyToolboxDelete'
+      : 'blocklyToolboxGrab';
+    if (addStyle) {
+      this.addStyle(style);
+    } else {
+      this.removeStyle(style);
+    }
+  }
+
+  /**
+   * Gets the toolbox item with the given ID.
+   *
+   * @param id The ID of the toolbox item.
+   * @returns The toolbox item with the given ID, or null if no item exists.
+   */
+  getToolboxItemById(id: string): IToolboxItem | null {
+    return this.contentMap_[id] || null;
+  }
+
+  /**
+   * Gets the width of the toolbox.
+   *
+   * @returns The width of the toolbox.
+   */
+  getWidth(): number {
+    return this.width_;
+  }
+
+  /**
+   * Gets the height of the toolbox.
+   *
+   * @returns The width of the toolbox.
+   */
+  getHeight(): number {
+    return this.height_;
+  }
+
+  /**
+   * Gets the toolbox flyout.
+   *
+   * @returns The toolbox flyout.
+   */
+  getFlyout(): IFlyout | null {
+    return this.flyout_;
+  }
+
+  /**
+   * Gets the workspace for the toolbox.
+   *
+   * @returns The parent workspace for the toolbox.
+   */
+  getWorkspace(): WorkspaceSvg {
+    return this.workspace_;
+  }
+
+  /**
+   * Gets the selected item.
+   *
+   * @returns The selected item, or null if no item is currently selected.
+   */
+  getSelectedItem(): ISelectableToolboxItem | null {
+    return this.selectedItem_;
+  }
+
+  /**
+   * Gets the previously selected item.
+   *
+   * @returns The previously selected item, or null if no item was previously
+   *     selected.
+   */
+  getPreviouslySelectedItem(): ISelectableToolboxItem | null {
+    return this.previouslySelectedItem_;
+  }
+
+  /**
+   * Gets whether or not the toolbox is horizontal.
+   *
+   * @returns True if the toolbox is horizontal, false if the toolbox is
+   *     vertical.
+   */
+  isHorizontal(): boolean {
+    return this.horizontalLayout_;
+  }
+
+  /**
+   * Positions the toolbox based on whether it is a horizontal toolbox and
+   * whether the workspace is in rtl.
+   */
+  position() {
+    const workspaceMetrics = this.workspace_.getMetrics();
+    const toolboxDiv = this.HtmlDiv;
+    if (!toolboxDiv) {
+      // Not initialized yet.
+      return;
+    }
+
+    if (this.horizontalLayout_) {
+      toolboxDiv.style.left = '0';
+      toolboxDiv.style.height = 'auto';
+      toolboxDiv.style.width = '100%';
+      this.height_ = toolboxDiv.offsetHeight;
+      this.width_ = workspaceMetrics.viewWidth;
+      if (this.toolboxPosition === toolbox.Position.TOP) {
+        toolboxDiv.style.top = '0';
+      } else {
+        // Bottom
+        toolboxDiv.style.bottom = '0';
+      }
+    } else {
+      if (this.toolboxPosition === toolbox.Position.RIGHT) {
+        toolboxDiv.style.right = '0';
+      } else {
+        // Left
+        toolboxDiv.style.left = '0';
+      }
+      toolboxDiv.style.height = '100%';
+      this.width_ = toolboxDiv.offsetWidth;
+      this.height_ = workspaceMetrics.viewHeight;
+    }
+    this.flyout_!.position();
+  }
+
+  /**
+   * Handles resizing the toolbox when a toolbox item resizes.
+   *
+   * @internal
+   */
+  handleToolboxItemResize() {
+    // Reposition the workspace so that (0,0) is in the correct position
+    // relative to the new absolute edge (ie toolbox edge).
+    const workspace = this.workspace_;
+    const rect = this.HtmlDiv!.getBoundingClientRect();
+    const newX =
+      this.toolboxPosition === toolbox.Position.LEFT
+        ? workspace.scrollX + rect.width
+        : workspace.scrollX;
+    const newY =
+      this.toolboxPosition === toolbox.Position.TOP
+        ? workspace.scrollY + rect.height
+        : workspace.scrollY;
+    workspace.translate(newX, newY);
+
+    // Even though the div hasn't changed size, the visible workspace
+    // surface of the workspace has, so we may need to reposition everything.
+    common.svgResize(workspace);
+  }
+
+  /** Unhighlights any previously selected item. */
+  clearSelection() {
+    this.setSelectedItem(null);
+  }
+
+  /**
+   * Updates the category colours and background colour of selected categories.
+   *
+   * @internal
+   */
+  refreshTheme() {
+    for (let i = 0; i < this.contents_.length; i++) {
+      const child = this.contents_[i];
+      // TODO(#6097): Fix types or add refreshTheme to IToolboxItem.
+      const childAsCategory = child as ToolboxCategory;
+      if (childAsCategory.refreshTheme) {
+        childAsCategory.refreshTheme();
+      }
+    }
+  }
+
+  /**
+   * Updates the flyout's content without closing it.  Should be used in
+   * response to a change in one of the dynamic categories, such as variables or
+   * procedures.
+   */
+  refreshSelection() {
+    if (
+      this.selectedItem_ &&
+      this.selectedItem_.isSelectable() &&
+      this.selectedItem_.getContents().length
+    ) {
+      this.flyout_!.show(this.selectedItem_.getContents());
+    }
+  }
+
+  /**
+   * Shows or hides the toolbox.
+   *
+   * @param isVisible True if toolbox should be visible.
+   */
+  setVisible(isVisible: boolean) {
+    if (this.isVisible_ === isVisible) {
+      return;
+    }
+
+    this.HtmlDiv!.style.display = isVisible ? 'block' : 'none';
+    this.isVisible_ = isVisible;
+    // Invisible toolbox is ignored as drag targets and must have the drag
+    // target updated.
+    this.workspace_.recordDragTargets();
+  }
+
+  /**
+   * Hides the component. Called in WorkspaceSvg.hideChaff.
+   *
+   * @param onlyClosePopups Whether only popups should be closed.
+   *     Flyouts should not be closed if this is true.
+   */
+  autoHide(onlyClosePopups: boolean) {
+    if (!onlyClosePopups && this.flyout_ && this.flyout_.autoClose) {
+      this.clearSelection();
+    }
+  }
+
+  /**
+   * Sets the given item as selected.
+   * No-op if the item is not selectable.
+   *
+   * @param newItem The toolbox item to select.
+   */
+  setSelectedItem(newItem: IToolboxItem | null) {
+    const oldItem = this.selectedItem_;
+
+    if (
+      (!newItem && !oldItem) ||
+      (newItem && !isSelectableToolboxItem(newItem))
+    ) {
+      return;
+    }
+
+    if (this.shouldDeselectItem_(oldItem, newItem) && oldItem !== null) {
+      this.deselectItem_(oldItem);
+    }
+
+    if (this.shouldSelectItem_(oldItem, newItem) && newItem !== null) {
+      this.selectItem_(oldItem, newItem);
+    }
+
+    this.updateFlyout_(oldItem, newItem);
+    this.fireSelectEvent_(oldItem, newItem);
+  }
+
+  /**
+   * Decides whether the old item should be deselected.
+   *
+   * @param oldItem The previously selected toolbox item.
+   * @param newItem The newly selected toolbox item.
+   * @returns True if the old item should be deselected, false otherwise.
+   */
+  protected shouldDeselectItem_(
+    oldItem: ISelectableToolboxItem | null,
+    newItem: ISelectableToolboxItem | null,
+  ): boolean {
+    // Deselect the old item unless the old item is collapsible and has been
+    // previously clicked on.
+    return (
+      oldItem !== null && (!oldItem.isCollapsible() || oldItem !== newItem)
+    );
+  }
+
+  /**
+   * Decides whether the new item should be selected.
+   *
+   * @param oldItem The previously selected toolbox item.
+   * @param newItem The newly selected toolbox item.
+   * @returns True if the new item should be selected, false otherwise.
+   */
+  protected shouldSelectItem_(
+    oldItem: ISelectableToolboxItem | null,
+    newItem: ISelectableToolboxItem | null,
+  ): boolean {
+    // Select the new item unless the old item equals the new item.
+    return newItem !== null && newItem !== oldItem;
+  }
+
+  /**
+   * Deselects the given item, marks it as unselected, and updates aria state.
+   *
+   * @param item The previously selected toolbox item which should be
+   *     deselected.
+   */
+  protected deselectItem_(item: ISelectableToolboxItem) {
+    this.selectedItem_ = null;
+    this.previouslySelectedItem_ = item;
+    item.setSelected(false);
+    aria.setState(
+      this.contentsDiv_ as Element,
+      aria.State.ACTIVEDESCENDANT,
+      '',
+    );
+  }
+
+  /**
+   * Selects the given item, marks it selected, and updates aria state.
+   *
+   * @param oldItem The previously selected toolbox item.
+   * @param newItem The newly selected toolbox item.
+   */
+  protected selectItem_(
+    oldItem: ISelectableToolboxItem | null,
+    newItem: ISelectableToolboxItem,
+  ) {
+    this.selectedItem_ = newItem;
+    this.previouslySelectedItem_ = oldItem;
+    newItem.setSelected(true);
+    aria.setState(
+      this.contentsDiv_ as Element,
+      aria.State.ACTIVEDESCENDANT,
+      newItem.getId(),
+    );
+  }
+
+  /**
+   * Selects the toolbox item by its position in the list of toolbox items.
+   *
+   * @param position The position of the item to select.
+   */
+  selectItemByPosition(position: number) {
+    if (position > -1 && position < this.contents_.length) {
+      const item = this.contents_[position];
+      if (item.isSelectable()) {
+        this.setSelectedItem(item);
+      }
+    }
+  }
+
+  /**
+   * Decides whether to hide or show the flyout depending on the selected item.
+   *
+   * @param oldItem The previously selected toolbox item.
+   * @param newItem The newly selected toolbox item.
+   */
+  protected updateFlyout_(
+    oldItem: ISelectableToolboxItem | null,
+    newItem: ISelectableToolboxItem | null,
+  ) {
+    if (
+      !newItem ||
+      (oldItem === newItem && !newItem.isCollapsible()) ||
+      !newItem.getContents().length
+    ) {
+      this.flyout_!.hide();
+    } else {
+      this.flyout_!.show(newItem.getContents());
+      this.flyout_!.scrollToStart();
+    }
+  }
+
+  /**
+   * Emits an event when a new toolbox item is selected.
+   *
+   * @param oldItem The previously selected toolbox item.
+   * @param newItem The newly selected toolbox item.
+   */
+  private fireSelectEvent_(
+    oldItem: ISelectableToolboxItem | null,
+    newItem: ISelectableToolboxItem | null,
+  ) {
+    const oldElement = oldItem && oldItem.getName();
+    let newElement = newItem && newItem.getName();
+    // In this case the toolbox closes, so the newElement should be null.
+    if (oldItem === newItem) {
+      newElement = null;
+    }
+    const event = new (eventUtils.get(eventUtils.TOOLBOX_ITEM_SELECT))(
+      oldElement,
+      newElement,
+      this.workspace_.id,
+    );
+    eventUtils.fire(event);
+  }
+
+  /**
+   * Closes the current item if it is expanded, or selects the parent.
+   *
+   * @returns True if a parent category was selected, false otherwise.
+   */
+  private selectParent_(): boolean {
+    if (!this.selectedItem_) {
+      return false;
+    }
+
+    if (
+      this.selectedItem_.isCollapsible() &&
+      (this.selectedItem_ as ICollapsibleToolboxItem).isExpanded()
+    ) {
+      const collapsibleItem = this.selectedItem_ as ICollapsibleToolboxItem;
+      collapsibleItem.toggleExpanded();
+      return true;
+    } else if (
+      this.selectedItem_.getParent() &&
+      this.selectedItem_.getParent()!.isSelectable()
+    ) {
+      this.setSelectedItem(this.selectedItem_.getParent());
+      return true;
+    }
+    return false;
+  }
+
+  /**
+   * Selects the first child of the currently selected item, or nothing if the
+   * toolbox item has no children.
+   *
+   * @returns True if a child category was selected, false otherwise.
+   */
+  private selectChild_(): boolean {
+    if (!this.selectedItem_ || !this.selectedItem_.isCollapsible()) {
+      return false;
+    }
+    const collapsibleItem = this.selectedItem_ as ICollapsibleToolboxItem;
+    if (!collapsibleItem.isExpanded()) {
+      collapsibleItem.toggleExpanded();
+      return true;
+    } else {
+      this.selectNext_();
+      return true;
+    }
+  }
+
+  /**
+   * Selects the next visible toolbox item.
+   *
+   * @returns True if a next category was selected, false otherwise.
+   */
+  private selectNext_(): boolean {
+    if (!this.selectedItem_) {
+      return false;
+    }
+
+    let nextItemIdx = this.contents_.indexOf(this.selectedItem_) + 1;
+    if (nextItemIdx > -1 && nextItemIdx < this.contents_.length) {
+      let nextItem = this.contents_[nextItemIdx];
+      while (nextItem && !nextItem.isSelectable()) {
+        nextItem = this.contents_[++nextItemIdx];
+      }
+      if (nextItem && nextItem.isSelectable()) {
+        this.setSelectedItem(nextItem);
+        return true;
+      }
+    }
+    return false;
+  }
+
+  /**
+   * Selects the previous visible toolbox item.
+   *
+   * @returns True if a previous category was selected, false otherwise.
+   */
+  private selectPrevious_(): boolean {
+    if (!this.selectedItem_) {
+      return false;
+    }
+
+    let prevItemIdx = this.contents_.indexOf(this.selectedItem_) - 1;
+    if (prevItemIdx > -1 && prevItemIdx < this.contents_.length) {
+      let prevItem = this.contents_[prevItemIdx];
+      while (prevItem && !prevItem.isSelectable()) {
+        prevItem = this.contents_[--prevItemIdx];
+      }
+      if (prevItem && prevItem.isSelectable()) {
+        this.setSelectedItem(prevItem);
+        return true;
+      }
+    }
+    return false;
+  }
+
+  /** Disposes of this toolbox. */
+  dispose() {
+    this.workspace_.getComponentManager().removeComponent('toolbox');
+    this.flyout_!.dispose();
+    for (let i = 0; i < this.contents_.length; i++) {
+      const toolboxItem = this.contents_[i];
+      toolboxItem.dispose();
+    }
+
+    for (let j = 0; j < this.boundEvents_.length; j++) {
+      browserEvents.unbind(this.boundEvents_[j]);
+    }
+    this.boundEvents_ = [];
+    this.contents_ = [];
+
+    if (this.HtmlDiv) {
+      this.workspace_.getThemeManager().unsubscribe(this.HtmlDiv);
+      dom.removeNode(this.HtmlDiv);
+    }
+  }
+}
+
+/** CSS for Toolbox.  See css.js for use. */
+Css.register(`
+.blocklyToolboxDelete {
+  cursor: url("<<<PATH>>>/handdelete.cur"), auto;
+}
+
+.blocklyToolboxGrab {
+  cursor: url("<<<PATH>>>/handclosed.cur"), auto;
+  cursor: grabbing;
+  cursor: -webkit-grabbing;
+}
+
+/* Category tree in Toolbox. */
+.blocklyToolboxDiv {
+  background-color: #ddd;
+  overflow-x: visible;
+  overflow-y: auto;
+  padding: 4px 0 4px 0;
+  position: absolute;
+  z-index: 70;  /* so blocks go under toolbox when dragging */
+  -webkit-tap-highlight-color: transparent;  /* issue #1345 */
+}
+
+.blocklyToolboxContents {
+  display: flex;
+  flex-wrap: wrap;
+  flex-direction: column;
+}
+
+.blocklyToolboxContents:focus {
+  outline: none;
+}
+`);
+
+registry.register(registry.Type.TOOLBOX, registry.DEFAULT, Toolbox);
diff --git a/core/toolbox/toolbox_item.js b/core/toolbox/toolbox_item.js
deleted file mode 100644
index 550b47aeac7..00000000000
--- a/core/toolbox/toolbox_item.js
+++ /dev/null
@@ -1,145 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview An item in the toolbox.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-'use strict';
-
-goog.provide('Blockly.ToolboxItem');
-
-goog.requireType('Blockly.IToolbox');
-goog.requireType('Blockly.IToolboxItem');
-goog.requireType('Blockly.utils.toolbox');
-goog.requireType('Blockly.WorkspaceSvg');
-
-/**
- * Class for an item in the toolbox.
- * @param {!Blockly.utils.toolbox.ToolboxItemInfo} toolboxItemDef The JSON defining the
- *     toolbox item.
- * @param {!Blockly.IToolbox} toolbox The toolbox that holds the toolbox item.
- * @param {Blockly.ICollapsibleToolboxItem=} opt_parent The parent toolbox item
- *     or null if the category does not have a parent.
- * @constructor
- * @implements {Blockly.IToolboxItem}
- */
-Blockly.ToolboxItem = function(toolboxItemDef, toolbox, opt_parent) {
-
-  /**
-   * The id for the category.
-   * @type {string}
-   * @protected
-   */
-  this.id_ = toolboxItemDef['id'] || Blockly.utils.IdGenerator.getNextUniqueId();
-
-  /**
-   * The parent of the category.
-   * @type {?Blockly.ICollapsibleToolboxItem}
-   * @protected
-   */
-  this.parent_ = opt_parent || null;
-
-  /**
-   * The level that the category is nested at.
-   * @type {number}
-   * @protected
-   */
-  this.level_ = this.parent_ ? this.parent_.getLevel() + 1 : 0;
-
-  /**
-   * The JSON definition of the toolbox item.
-   * @type {!Blockly.utils.toolbox.ToolboxItemInfo}
-   * @protected
-   */
-  this.toolboxItemDef_ = toolboxItemDef;
-
-  /**
-   * The toolbox this category belongs to.
-   * @type {!Blockly.IToolbox}
-   * @protected
-   */
-  this.parentToolbox_ = toolbox;
-
-  /**
-   * The workspace of the parent toolbox.
-   * @type {!Blockly.WorkspaceSvg}
-   * @protected
-   */
-  this.workspace_ = this.parentToolbox_.getWorkspace();
-};
-
-/**
- * Initializes the toolbox item.
- * This includes creating the dom and updating the state of any items based
- * on the info object.
- * @public
- */
-Blockly.ToolboxItem.prototype.init = function() {
-  // No-op by default.
-};
-
-/**
- * Gets the div for the toolbox item.
- * @return {?Element} The div for the toolbox item.
- * @public
- */
-Blockly.ToolboxItem.prototype.getDiv = function() {
-  return null;
-};
-
-/**
- * Gets a unique identifier for this toolbox item.
- * @return {string} The id for the toolbox item.
- * @public
- */
-Blockly.ToolboxItem.prototype.getId = function() {
-  return this.id_;
-};
-
-/**
- * Gets the parent if the toolbox item is nested.
- * @return {?Blockly.IToolboxItem} The parent toolbox item, or null if
- *     this toolbox item is not nested.
- * @public
- */
-Blockly.ToolboxItem.prototype.getParent = function() {
-  return null;
-};
-
-/**
- * Gets the nested level of the category.
- * @return {number} The nested level of the category.
- * @package
- */
-Blockly.ToolboxItem.prototype.getLevel = function() {
-  return this.level_;
-};
-
-/**
- * Whether the toolbox item is selectable.
- * @return {boolean} True if the toolbox item can be selected.
- * @public
- */
-Blockly.ToolboxItem.prototype.isSelectable = function() {
-  return false;
-};
-
-/**
- * Whether the toolbox item is collapsible.
- * @return {boolean} True if the toolbox item is collapsible.
- * @public
- */
-Blockly.ToolboxItem.prototype.isCollapsible = function() {
-  return false;
-};
-
-/**
- * Dispose of this toolbox item. No-op by default.
- * @public
- */
-Blockly.ToolboxItem.prototype.dispose = function() {
-};
diff --git a/core/toolbox/toolbox_item.ts b/core/toolbox/toolbox_item.ts
new file mode 100644
index 00000000000..ef9d979ab43
--- /dev/null
+++ b/core/toolbox/toolbox_item.ts
@@ -0,0 +1,152 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * An item in the toolbox.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.ToolboxItem
+
+import type {ICollapsibleToolboxItem} from '../interfaces/i_collapsible_toolbox_item.js';
+import type {IToolbox} from '../interfaces/i_toolbox.js';
+import type {IToolboxItem} from '../interfaces/i_toolbox_item.js';
+import * as idGenerator from '../utils/idgenerator.js';
+import type * as toolbox from '../utils/toolbox.js';
+import type {WorkspaceSvg} from '../workspace_svg.js';
+
+/**
+ * Class for an item in the toolbox.
+ */
+export class ToolboxItem implements IToolboxItem {
+  protected id_: string;
+  protected parent_: ICollapsibleToolboxItem | null;
+  protected level_: number;
+  protected toolboxItemDef_: toolbox.ToolboxItemInfo | null;
+  protected workspace_: WorkspaceSvg;
+  /** The toolbox this category belongs to. */
+  protected readonly parentToolbox_: IToolbox;
+
+  /**
+   * @param toolboxItemDef The JSON defining the toolbox item.
+   * @param parentToolbox The toolbox that holds the toolbox item.
+   * @param opt_parent The parent toolbox item or null if the category does not
+   *     have a parent.
+   */
+  constructor(
+    toolboxItemDef: toolbox.ToolboxItemInfo,
+    parentToolbox: IToolbox,
+    opt_parent?: ICollapsibleToolboxItem,
+  ) {
+    /** The ID for the category. */
+    this.id_ =
+      (toolboxItemDef as AnyDuringMigration)['toolboxitemid'] ||
+      idGenerator.getNextUniqueId();
+
+    /** The parent of the category. */
+    this.parent_ = opt_parent || null;
+
+    /** The level that the category is nested at. */
+    this.level_ = this.parent_ ? this.parent_.getLevel() + 1 : 0;
+
+    /** The JSON definition of the toolbox item. */
+    this.toolboxItemDef_ = toolboxItemDef;
+
+    this.parentToolbox_ = parentToolbox;
+
+    /** The workspace of the parent toolbox. */
+    this.workspace_ = this.parentToolbox_.getWorkspace();
+  }
+
+  /**
+   * Initializes the toolbox item.
+   * This includes creating the DOM and updating the state of any items based
+   * on the info object.
+   */
+  init() {}
+  // No-op by default.
+
+  /**
+   * Gets the div for the toolbox item.
+   *
+   * @returns The div for the toolbox item.
+   */
+  getDiv(): Element | null {
+    return null;
+  }
+
+  /**
+   * Gets the HTML element that is clickable.
+   * The parent toolbox element receives clicks. The parent toolbox will add an
+   * ID to this element so it can pass the onClick event to the correct
+   * toolboxItem.
+   *
+   * @returns The HTML element that receives clicks, or null if this item should
+   *     not receive clicks.
+   */
+  getClickTarget(): Element | null {
+    return null;
+  }
+
+  /**
+   * Gets a unique identifier for this toolbox item.
+   *
+   * @returns The ID for the toolbox item.
+   */
+  getId(): string {
+    return this.id_;
+  }
+
+  /**
+   * Gets the parent if the toolbox item is nested.
+   *
+   * @returns The parent toolbox item, or null if this toolbox item is not
+   *     nested.
+   */
+  getParent(): ICollapsibleToolboxItem | null {
+    return null;
+  }
+
+  /**
+   * Gets the nested level of the category.
+   *
+   * @returns The nested level of the category.
+   * @internal
+   */
+  getLevel(): number {
+    return this.level_;
+  }
+
+  /**
+   * Whether the toolbox item is selectable.
+   *
+   * @returns True if the toolbox item can be selected.
+   */
+  isSelectable(): boolean {
+    return false;
+  }
+
+  /**
+   * Whether the toolbox item is collapsible.
+   *
+   * @returns True if the toolbox item is collapsible.
+   */
+  isCollapsible(): boolean {
+    return false;
+  }
+
+  /** Dispose of this toolbox item. No-op by default. */
+  dispose() {}
+
+  /**
+   * Sets whether the category is visible or not.
+   * For a category to be visible its parent category must also be expanded.
+   *
+   * @param _isVisible True if category should be visible.
+   */
+  setVisible_(_isVisible: boolean) {}
+}
+// nop by default
diff --git a/core/tooltip.js b/core/tooltip.js
deleted file mode 100644
index 70965c7aa02..00000000000
--- a/core/tooltip.js
+++ /dev/null
@@ -1,387 +0,0 @@
-/**
- * @license
- * Copyright 2011 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Library to create tooltips for Blockly.
- * First, call Blockly.Tooltip.init() after onload.
- * Second, set the 'tooltip' property on any SVG element that needs a tooltip.
- * If the tooltip is a string, then that message will be displayed.
- * If the tooltip is an SVG element, then that object's tooltip will be used.
- * Third, call Blockly.Tooltip.bindMouseEvents(e) passing the SVG element.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.Tooltip
- * @namespace
- */
-goog.provide('Blockly.Tooltip');
-
-goog.require('Blockly.utils.string');
-
-/**
- * A type which can define a tooltip.
- * Either a string, an object containing a tooltip property, or a function which
- * returns either a string, or another arbitrarily nested function which
- * eventually unwinds to a string.
- * @typedef {string|{tooltip}|function(): (string|!Function)}
- */
-Blockly.Tooltip.TipInfo;
-
-/**
- * Is a tooltip currently showing?
- */
-Blockly.Tooltip.visible = false;
-
-/**
- * Is someone else blocking the tooltip from being shown?
- * @type {boolean}
- * @private
- */
-Blockly.Tooltip.blocked_ = false;
-
-/**
- * Maximum width (in characters) of a tooltip.
- */
-Blockly.Tooltip.LIMIT = 50;
-
-/**
- * PID of suspended thread to clear tooltip on mouse out.
- * @private
- */
-Blockly.Tooltip.mouseOutPid_ = 0;
-
-/**
- * PID of suspended thread to show the tooltip.
- * @private
- */
-Blockly.Tooltip.showPid_ = 0;
-
-/**
- * Last observed X location of the mouse pointer (freezes when tooltip appears).
- * @private
- */
-Blockly.Tooltip.lastX_ = 0;
-
-/**
- * Last observed Y location of the mouse pointer (freezes when tooltip appears).
- * @private
- */
-Blockly.Tooltip.lastY_ = 0;
-
-/**
- * Current element being pointed at.
- * @type {Element}
- * @private
- */
-Blockly.Tooltip.element_ = null;
-
-/**
- * Once a tooltip has opened for an element, that element is 'poisoned' and
- * cannot respawn a tooltip until the pointer moves over a different element.
- * @type {Element}
- * @private
- */
-Blockly.Tooltip.poisonedElement_ = null;
-
-/**
- * Horizontal offset between mouse cursor and tooltip.
- */
-Blockly.Tooltip.OFFSET_X = 0;
-
-/**
- * Vertical offset between mouse cursor and tooltip.
- */
-Blockly.Tooltip.OFFSET_Y = 10;
-
-/**
- * Radius mouse can move before killing tooltip.
- */
-Blockly.Tooltip.RADIUS_OK = 10;
-
-/**
- * Delay before tooltip appears.
- */
-Blockly.Tooltip.HOVER_MS = 750;
-
-/**
- * Horizontal padding between tooltip and screen edge.
- */
-Blockly.Tooltip.MARGINS = 5;
-
-/**
- * The HTML container.  Set once by Blockly.Tooltip.createDom.
- * @type {Element}
- */
-Blockly.Tooltip.DIV = null;
-
-/**
- * Returns the tooltip text for the given element.
- * @param {?Object} object The object to get the the tooltip text of.
- * @returns {string} The tooltip text of the element.
- */
-Blockly.Tooltip.getTooltipOfObject = function(object) {
-  var obj = Blockly.Tooltip.getTargetObject_(object);
-  if (obj) {
-    var tooltip = obj.tooltip;
-    while (typeof tooltip == 'function') {
-      tooltip = tooltip();
-    }
-    if (typeof tooltip != 'string') {
-      throw Error('Tooltip function must return a string.');
-    }
-    return tooltip;
-  }
-  return '';
-};
-
-/**
- * Returns the target object that the given object is targeting for its
- * tooltip. Could be the object itself.
- * @param {?Object} obj The object are trying to find the target tooltip
- *     object of.
- * @returns {?{tooltip}} The target tooltip object.
- * @private
- */
-Blockly.Tooltip.getTargetObject_ = function(obj) {
-  while (obj && obj.tooltip) {
-    if ((typeof obj.tooltip == 'string') ||
-        (typeof obj.tooltip == 'function')) {
-      return obj;
-    }
-    obj = obj.tooltip;
-  }
-  return null;
-};
-
-/**
- * Create the tooltip div and inject it onto the page.
- */
-Blockly.Tooltip.createDom = function() {
-  if (Blockly.Tooltip.DIV) {
-    return;  // Already created.
-  }
-  // Create an HTML container for popup overlays (e.g. editor widgets).
-  Blockly.Tooltip.DIV = document.createElement('div');
-  Blockly.Tooltip.DIV.className = 'blocklyTooltipDiv';
-  var container = Blockly.parentContainer || document.body;
-  container.appendChild(Blockly.Tooltip.DIV);
-};
-
-/**
- * Binds the required mouse events onto an SVG element.
- * @param {!Element} element SVG element onto which tooltip is to be bound.
- */
-Blockly.Tooltip.bindMouseEvents = function(element) {
-  element.mouseOverWrapper_ = Blockly.bindEvent_(element, 'mouseover', null,
-      Blockly.Tooltip.onMouseOver_);
-  element.mouseOutWrapper_ = Blockly.bindEvent_(element, 'mouseout', null,
-      Blockly.Tooltip.onMouseOut_);
-
-  // Don't use bindEvent_ for mousemove since that would create a
-  // corresponding touch handler, even though this only makes sense in the
-  // context of a mouseover/mouseout.
-  element.addEventListener('mousemove', Blockly.Tooltip.onMouseMove_, false);
-};
-
-/**
- * Unbinds tooltip mouse events from the SVG element.
- * @param {!Element} element SVG element onto which tooltip is bound.
- */
-Blockly.Tooltip.unbindMouseEvents = function(element) {
-  if (!element) {
-    return;
-  }
-  Blockly.unbindEvent_(element.mouseOverWrapper_);
-  Blockly.unbindEvent_(element.mouseOutWrapper_);
-  element.removeEventListener('mousemove', Blockly.Tooltip.onMouseMove_);
-};
-
-/**
- * Hide the tooltip if the mouse is over a different object.
- * Initialize the tooltip to potentially appear for this object.
- * @param {!Event} e Mouse event.
- * @private
- */
-Blockly.Tooltip.onMouseOver_ = function(e) {
-  if (Blockly.Tooltip.blocked_) {
-    // Someone doesn't want us to show tooltips.
-    return;
-  }
-  // If the tooltip is an object, treat it as a pointer to the next object in
-  // the chain to look at.  Terminate when a string or function is found.
-  var element = /** @type {Element} */ (Blockly.Tooltip.getTargetObject_(
-      e.currentTarget));
-  if (Blockly.Tooltip.element_ != element) {
-    Blockly.Tooltip.hide();
-    Blockly.Tooltip.poisonedElement_ = null;
-    Blockly.Tooltip.element_ = element;
-  }
-  // Forget about any immediately preceding mouseOut event.
-  clearTimeout(Blockly.Tooltip.mouseOutPid_);
-};
-
-/**
- * Hide the tooltip if the mouse leaves the object and enters the workspace.
- * @param {!Event} _e Mouse event.
- * @private
- */
-Blockly.Tooltip.onMouseOut_ = function(_e) {
-  if (Blockly.Tooltip.blocked_) {
-    // Someone doesn't want us to show tooltips.
-    return;
-  }
-  // Moving from one element to another (overlapping or with no gap) generates
-  // a mouseOut followed instantly by a mouseOver.  Fork off the mouseOut
-  // event and kill it if a mouseOver is received immediately.
-  // This way the task only fully executes if mousing into the void.
-  Blockly.Tooltip.mouseOutPid_ = setTimeout(function() {
-    Blockly.Tooltip.element_ = null;
-    Blockly.Tooltip.poisonedElement_ = null;
-    Blockly.Tooltip.hide();
-  }, 1);
-  clearTimeout(Blockly.Tooltip.showPid_);
-};
-
-/**
- * When hovering over an element, schedule a tooltip to be shown.  If a tooltip
- * is already visible, hide it if the mouse strays out of a certain radius.
- * @param {!Event} e Mouse event.
- * @private
- */
-Blockly.Tooltip.onMouseMove_ = function(e) {
-  if (!Blockly.Tooltip.element_ || !Blockly.Tooltip.element_.tooltip) {
-    // No tooltip here to show.
-    return;
-  } else if (Blockly.Tooltip.blocked_) {
-    // Someone doesn't want us to show tooltips.  We are probably handling a
-    // user gesture, such as a click or drag.
-    return;
-  }
-  if (Blockly.Tooltip.visible) {
-    // Compute the distance between the mouse position when the tooltip was
-    // shown and the current mouse position.  Pythagorean theorem.
-    var dx = Blockly.Tooltip.lastX_ - e.pageX;
-    var dy = Blockly.Tooltip.lastY_ - e.pageY;
-    if (Math.sqrt(dx * dx + dy * dy) > Blockly.Tooltip.RADIUS_OK) {
-      Blockly.Tooltip.hide();
-    }
-  } else if (Blockly.Tooltip.poisonedElement_ != Blockly.Tooltip.element_) {
-    // The mouse moved, clear any previously scheduled tooltip.
-    clearTimeout(Blockly.Tooltip.showPid_);
-    // Maybe this time the mouse will stay put.  Schedule showing of tooltip.
-    Blockly.Tooltip.lastX_ = e.pageX;
-    Blockly.Tooltip.lastY_ = e.pageY;
-    Blockly.Tooltip.showPid_ =
-        setTimeout(Blockly.Tooltip.show_, Blockly.Tooltip.HOVER_MS);
-  }
-};
-
-/**
- * Dispose of the tooltip.
- * @package
- */
-Blockly.Tooltip.dispose = function() {
-  Blockly.Tooltip.element_ = null;
-  Blockly.Tooltip.poisonedElement_ = null;
-  Blockly.Tooltip.hide();
-};
-
-/**
- * Hide the tooltip.
- */
-Blockly.Tooltip.hide = function() {
-  if (Blockly.Tooltip.visible) {
-    Blockly.Tooltip.visible = false;
-    if (Blockly.Tooltip.DIV) {
-      Blockly.Tooltip.DIV.style.display = 'none';
-    }
-  }
-  if (Blockly.Tooltip.showPid_) {
-    clearTimeout(Blockly.Tooltip.showPid_);
-  }
-};
-
-/**
- * Hide any in-progress tooltips and block showing new tooltips until the next
- * call to unblock().
- * @package
- */
-Blockly.Tooltip.block = function() {
-  Blockly.Tooltip.hide();
-  Blockly.Tooltip.blocked_ = true;
-};
-
-/**
- * Unblock tooltips: allow them to be scheduled and shown according to their own
- * logic.
- * @package
- */
-Blockly.Tooltip.unblock = function() {
-  Blockly.Tooltip.blocked_ = false;
-};
-
-/**
- * Create the tooltip and show it.
- * @private
- */
-Blockly.Tooltip.show_ = function() {
-  if (Blockly.Tooltip.blocked_) {
-    // Someone doesn't want us to show tooltips.
-    return;
-  }
-  Blockly.Tooltip.poisonedElement_ = Blockly.Tooltip.element_;
-  if (!Blockly.Tooltip.DIV) {
-    return;
-  }
-  // Erase all existing text.
-  Blockly.Tooltip.DIV.textContent = '';
-  var tip = Blockly.Tooltip.getTooltipOfObject(Blockly.Tooltip.element_);
-  tip = Blockly.utils.string.wrap(tip, Blockly.Tooltip.LIMIT);
-  // Create new text, line by line.
-  var lines = tip.split('\n');
-  for (var i = 0; i < lines.length; i++) {
-    var div = document.createElement('div');
-    div.appendChild(document.createTextNode(lines[i]));
-    Blockly.Tooltip.DIV.appendChild(div);
-  }
-  var rtl = Blockly.Tooltip.element_.RTL;
-  var windowWidth = document.documentElement.clientWidth;
-  var windowHeight = document.documentElement.clientHeight;
-  // Display the tooltip.
-  Blockly.Tooltip.DIV.style.direction = rtl ? 'rtl' : 'ltr';
-  Blockly.Tooltip.DIV.style.display = 'block';
-  Blockly.Tooltip.visible = true;
-  // Move the tooltip to just below the cursor.
-  var anchorX = Blockly.Tooltip.lastX_;
-  if (rtl) {
-    anchorX -= Blockly.Tooltip.OFFSET_X + Blockly.Tooltip.DIV.offsetWidth;
-  } else {
-    anchorX += Blockly.Tooltip.OFFSET_X;
-  }
-  var anchorY = Blockly.Tooltip.lastY_ + Blockly.Tooltip.OFFSET_Y;
-
-  if (anchorY + Blockly.Tooltip.DIV.offsetHeight >
-      windowHeight + window.scrollY) {
-    // Falling off the bottom of the screen; shift the tooltip up.
-    anchorY -= Blockly.Tooltip.DIV.offsetHeight + 2 * Blockly.Tooltip.OFFSET_Y;
-  }
-  if (rtl) {
-    // Prevent falling off left edge in RTL mode.
-    anchorX = Math.max(Blockly.Tooltip.MARGINS - window.scrollX, anchorX);
-  } else {
-    if (anchorX + Blockly.Tooltip.DIV.offsetWidth >
-        windowWidth + window.scrollX - 2 * Blockly.Tooltip.MARGINS) {
-      // Falling off the right edge of the screen;
-      // clamp the tooltip on the edge.
-      anchorX = windowWidth - Blockly.Tooltip.DIV.offsetWidth -
-          2 * Blockly.Tooltip.MARGINS;
-    }
-  }
-  Blockly.Tooltip.DIV.style.top = anchorY + 'px';
-  Blockly.Tooltip.DIV.style.left = anchorX + 'px';
-};
diff --git a/core/tooltip.ts b/core/tooltip.ts
new file mode 100644
index 00000000000..0478b91fd55
--- /dev/null
+++ b/core/tooltip.ts
@@ -0,0 +1,466 @@
+/**
+ * @license
+ * Copyright 2011 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Tooltip
+
+import * as browserEvents from './browser_events.js';
+import * as common from './common.js';
+import * as blocklyString from './utils/string.js';
+
+/**
+ * A type which can define a tooltip.
+ * Either a string, an object containing a tooltip property, or a function which
+ * returns either a string, or another arbitrarily nested function which
+ * eventually unwinds to a string.
+ */
+export type TipInfo =
+  | string
+  | {tooltip: AnyDuringMigration}
+  | (() => TipInfo | string | Function);
+
+/**
+ * A function that renders custom tooltip UI.
+ * 1st parameter: the div element to render content into.
+ * 2nd parameter: the element being moused over (i.e., the element for which the
+ * tooltip should be shown).
+ */
+export type CustomTooltip = (p1: Element, p2: Element) => AnyDuringMigration;
+
+/**
+ * An optional function that renders custom tooltips into the provided DIV. If
+ * this is defined, the function will be called instead of rendering the default
+ * tooltip UI.
+ */
+let customTooltip: CustomTooltip | undefined = undefined;
+
+/**
+ * Sets a custom function that will be called if present instead of the default
+ * tooltip UI.
+ *
+ * @param customFn A custom tooltip used to render an alternate tooltip UI.
+ */
+export function setCustomTooltip(customFn: CustomTooltip) {
+  customTooltip = customFn;
+}
+
+/**
+ * Gets the custom tooltip function.
+ *
+ * @returns The custom tooltip function, if defined.
+ */
+export function getCustomTooltip(): CustomTooltip | undefined {
+  return customTooltip;
+}
+
+/** Is a tooltip currently showing? */
+let visible = false;
+
+/**
+ * Returns whether or not a tooltip is showing
+ *
+ * @returns True if a tooltip is showing
+ */
+export function isVisible(): boolean {
+  return visible;
+}
+
+/** Is someone else blocking the tooltip from being shown? */
+let blocked = false;
+
+/**
+ * Maximum width (in characters) of a tooltip.
+ */
+export const LIMIT = 50;
+
+/** PID of suspended thread to clear tooltip on mouse out. */
+let mouseOutPid: AnyDuringMigration = 0;
+
+/** PID of suspended thread to show the tooltip. */
+let showPid: AnyDuringMigration = 0;
+
+/**
+ * Last observed X location of the mouse pointer (freezes when tooltip appears).
+ */
+let lastX = 0;
+
+/**
+ * Last observed Y location of the mouse pointer (freezes when tooltip appears).
+ */
+let lastY = 0;
+
+/** Current element being pointed at. */
+let element: AnyDuringMigration = null;
+
+/**
+ * Once a tooltip has opened for an element, that element is 'poisoned' and
+ * cannot respawn a tooltip until the pointer moves over a different element.
+ */
+let poisonedElement: AnyDuringMigration = null;
+
+/**
+ * Horizontal offset between mouse cursor and tooltip.
+ */
+export const OFFSET_X = 0;
+
+/**
+ * Vertical offset between mouse cursor and tooltip.
+ */
+export const OFFSET_Y = 10;
+
+/**
+ * Radius mouse can move before killing tooltip.
+ */
+export const RADIUS_OK = 10;
+
+/**
+ * Delay before tooltip appears.
+ */
+export const HOVER_MS = 750;
+
+/**
+ * Horizontal padding between tooltip and screen edge.
+ */
+export const MARGINS = 5;
+
+/** The HTML container.  Set once by createDom. */
+let containerDiv: HTMLDivElement | null = null;
+
+/**
+ * Returns the HTML tooltip container.
+ *
+ * @returns The HTML tooltip container.
+ */
+export function getDiv(): HTMLDivElement | null {
+  return containerDiv;
+}
+
+/**
+ * Returns the tooltip text for the given element.
+ *
+ * @param object The object to get the tooltip text of.
+ * @returns The tooltip text of the element.
+ */
+export function getTooltipOfObject(object: AnyDuringMigration | null): string {
+  const obj = getTargetObject(object);
+  if (obj) {
+    let tooltip = obj.tooltip;
+    while (typeof tooltip === 'function') {
+      tooltip = tooltip();
+    }
+    if (typeof tooltip !== 'string') {
+      throw Error('Tooltip function must return a string.');
+    }
+    return tooltip;
+  }
+  return '';
+}
+
+/**
+ * Returns the target object that the given object is targeting for its
+ * tooltip. Could be the object itself.
+ *
+ * @param obj The object are trying to find the target tooltip object of.
+ * @returns The target tooltip object.
+ */
+function getTargetObject(
+  obj: object | null,
+): {tooltip: AnyDuringMigration} | null {
+  while (obj && (obj as any).tooltip) {
+    if (
+      typeof (obj as any).tooltip === 'string' ||
+      typeof (obj as any).tooltip === 'function'
+    ) {
+      return obj as {tooltip: string | (() => string)};
+    }
+    obj = (obj as any).tooltip;
+  }
+  return null;
+}
+
+/**
+ * Create the tooltip div and inject it onto the page.
+ */
+export function createDom() {
+  if (document.querySelector('.blocklyTooltipDiv')) {
+    return; // Already created.
+  }
+  // Create an HTML container for popup overlays (e.g. editor widgets).
+  containerDiv = document.createElement('div');
+  containerDiv.className = 'blocklyTooltipDiv';
+  const container = common.getParentContainer() || document.body;
+  container.appendChild(containerDiv);
+}
+
+/**
+ * Binds the required mouse events onto an SVG element.
+ *
+ * @param element SVG element onto which tooltip is to be bound.
+ */
+export function bindMouseEvents(element: Element) {
+  // TODO (#6097): Don't stash wrapper info on the DOM.
+  (element as AnyDuringMigration).mouseOverWrapper_ = browserEvents.bind(
+    element,
+    'pointerover',
+    null,
+    onMouseOver,
+  );
+  (element as AnyDuringMigration).mouseOutWrapper_ = browserEvents.bind(
+    element,
+    'pointerout',
+    null,
+    onMouseOut,
+  );
+
+  // Don't use bindEvent_ for mousemove since that would create a
+  // corresponding touch handler, even though this only makes sense in the
+  // context of a mouseover/mouseout.
+  element.addEventListener('pointermove', onMouseMove, false);
+}
+
+/**
+ * Unbinds tooltip mouse events from the SVG element.
+ *
+ * @param element SVG element onto which tooltip is bound.
+ */
+export function unbindMouseEvents(element: Element | null) {
+  if (!element) {
+    return;
+  }
+  // TODO (#6097): Don't stash wrapper info on the DOM.
+  browserEvents.unbind((element as AnyDuringMigration).mouseOverWrapper_);
+  browserEvents.unbind((element as AnyDuringMigration).mouseOutWrapper_);
+  element.removeEventListener('pointermove', onMouseMove);
+}
+
+/**
+ * Hide the tooltip if the mouse is over a different object.
+ * Initialize the tooltip to potentially appear for this object.
+ *
+ * @param e Mouse event.
+ */
+function onMouseOver(e: PointerEvent) {
+  if (blocked) {
+    // Someone doesn't want us to show tooltips.
+    return;
+  }
+  // If the tooltip is an object, treat it as a pointer to the next object in
+  // the chain to look at.  Terminate when a string or function is found.
+  const newElement = getTargetObject(e.currentTarget);
+  if (element !== newElement) {
+    hide();
+    poisonedElement = null;
+    element = newElement;
+  }
+  // Forget about any immediately preceding mouseOut event.
+  clearTimeout(mouseOutPid);
+}
+
+/**
+ * Hide the tooltip if the mouse leaves the object and enters the workspace.
+ *
+ * @param _e Mouse event.
+ */
+function onMouseOut(_e: PointerEvent) {
+  if (blocked) {
+    // Someone doesn't want us to show tooltips.
+    return;
+  }
+  // Moving from one element to another (overlapping or with no gap) generates
+  // a mouseOut followed instantly by a mouseOver.  Fork off the mouseOut
+  // event and kill it if a mouseOver is received immediately.
+  // This way the task only fully executes if mousing into the void.
+  mouseOutPid = setTimeout(function () {
+    element = null;
+    poisonedElement = null;
+    hide();
+  }, 1);
+  clearTimeout(showPid);
+  showPid = 0;
+}
+
+/**
+ * When hovering over an element, schedule a tooltip to be shown.  If a tooltip
+ * is already visible, hide it if the mouse strays out of a certain radius.
+ *
+ * @param e Mouse event.
+ */
+function onMouseMove(e: Event) {
+  if (!element || !(element as AnyDuringMigration).tooltip) {
+    // No tooltip here to show.
+    return;
+  } else if (blocked) {
+    // Someone doesn't want us to show tooltips.  We are probably handling a
+    // user gesture, such as a click or drag.
+    return;
+  }
+  if (visible) {
+    // Compute the distance between the mouse position when the tooltip was
+    // shown and the current mouse position.  Pythagorean theorem.
+    // AnyDuringMigration because:  Property 'pageX' does not exist on type
+    // 'Event'.
+    const dx = lastX - (e as AnyDuringMigration).pageX;
+    // AnyDuringMigration because:  Property 'pageY' does not exist on type
+    // 'Event'.
+    const dy = lastY - (e as AnyDuringMigration).pageY;
+    if (Math.sqrt(dx * dx + dy * dy) > RADIUS_OK) {
+      hide();
+    }
+  } else if (poisonedElement !== element) {
+    // The mouse moved, clear any previously scheduled tooltip.
+    clearTimeout(showPid);
+    // Maybe this time the mouse will stay put.  Schedule showing of tooltip.
+    // AnyDuringMigration because:  Property 'pageX' does not exist on type
+    // 'Event'.
+    lastX = (e as AnyDuringMigration).pageX;
+    // AnyDuringMigration because:  Property 'pageY' does not exist on type
+    // 'Event'.
+    lastY = (e as AnyDuringMigration).pageY;
+    showPid = setTimeout(show, HOVER_MS);
+  }
+}
+
+/**
+ * Dispose of the tooltip.
+ *
+ * @internal
+ */
+export function dispose() {
+  element = null;
+  poisonedElement = null;
+  hide();
+}
+
+/**
+ * Hide the tooltip.
+ */
+export function hide() {
+  if (visible) {
+    visible = false;
+    if (containerDiv) {
+      containerDiv.style.display = 'none';
+    }
+  }
+  if (showPid) {
+    clearTimeout(showPid);
+    showPid = 0;
+  }
+}
+
+/**
+ * Hide any in-progress tooltips and block showing new tooltips until the next
+ * call to unblock().
+ *
+ * @internal
+ */
+export function block() {
+  hide();
+  blocked = true;
+}
+
+/**
+ * Unblock tooltips: allow them to be scheduled and shown according to their own
+ * logic.
+ *
+ * @internal
+ */
+export function unblock() {
+  blocked = false;
+}
+
+/** Renders the tooltip content into the tooltip div. */
+function renderContent() {
+  if (!containerDiv || !element) {
+    // This shouldn't happen, but if it does, we can't render.
+    return;
+  }
+  if (typeof customTooltip === 'function') {
+    customTooltip(containerDiv, element);
+  } else {
+    renderDefaultContent();
+  }
+}
+
+/** Renders the default tooltip UI. */
+function renderDefaultContent() {
+  let tip = getTooltipOfObject(element);
+  tip = blocklyString.wrap(tip, LIMIT);
+  // Create new text, line by line.
+  const lines = tip.split('\n');
+  for (let i = 0; i < lines.length; i++) {
+    const div = document.createElement('div');
+    div.appendChild(document.createTextNode(lines[i]));
+    containerDiv!.appendChild(div);
+  }
+}
+
+/**
+ * Gets the coordinates for the tooltip div, taking into account the edges of
+ * the screen to prevent showing the tooltip offscreen.
+ *
+ * @param rtl True if the tooltip should be in right-to-left layout.
+ * @returns Coordinates at which the tooltip div should be placed.
+ */
+function getPosition(rtl: boolean): {x: number; y: number} {
+  // Position the tooltip just below the cursor.
+  const windowWidth = document.documentElement.clientWidth;
+  const windowHeight = document.documentElement.clientHeight;
+
+  let anchorX = lastX;
+  if (rtl) {
+    anchorX -= OFFSET_X + containerDiv!.offsetWidth;
+  } else {
+    anchorX += OFFSET_X;
+  }
+
+  let anchorY = lastY + OFFSET_Y;
+  if (anchorY + containerDiv!.offsetHeight > windowHeight + window.scrollY) {
+    // Falling off the bottom of the screen; shift the tooltip up.
+    anchorY -= containerDiv!.offsetHeight + 2 * OFFSET_Y;
+  }
+
+  if (rtl) {
+    // Prevent falling off left edge in RTL mode.
+    anchorX = Math.max(MARGINS - window.scrollX, anchorX);
+  } else {
+    if (
+      anchorX + containerDiv!.offsetWidth >
+      windowWidth + window.scrollX - 2 * MARGINS
+    ) {
+      // Falling off the right edge of the screen;
+      // clamp the tooltip on the edge.
+      anchorX = windowWidth - containerDiv!.offsetWidth - 2 * MARGINS;
+    }
+  }
+
+  return {x: anchorX, y: anchorY};
+}
+
+/** Create the tooltip and show it. */
+function show() {
+  if (blocked) {
+    // Someone doesn't want us to show tooltips.
+    return;
+  }
+  poisonedElement = element;
+  if (!containerDiv) {
+    return;
+  }
+  // Erase all existing text.
+  containerDiv.textContent = '';
+
+  // Add new content.
+  renderContent();
+
+  // Display the tooltip.
+  const rtl = (element as any).RTL;
+  containerDiv.style.direction = rtl ? 'rtl' : 'ltr';
+  containerDiv.style.display = 'block';
+  visible = true;
+
+  const {x, y} = getPosition(rtl);
+  containerDiv.style.left = x + 'px';
+  containerDiv.style.top = y + 'px';
+}
diff --git a/core/touch.js b/core/touch.js
deleted file mode 100644
index e21d88f16c7..00000000000
--- a/core/touch.js
+++ /dev/null
@@ -1,255 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Touch handling for Blockly.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-/**
- * @name Blockly.Touch
- * @namespace
- */
-goog.provide('Blockly.Touch');
-
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.global');
-goog.require('Blockly.utils.string');
-
-
-/**
-  * Whether touch is enabled in the browser.
-  * Copied from Closure's goog.events.BrowserFeature.TOUCH_ENABLED
-  */
-Blockly.Touch.TOUCH_ENABLED =
-    ('ontouchstart' in Blockly.utils.global ||
-     !!(Blockly.utils.global['document'] && document.documentElement &&
-        'ontouchstart' in document.documentElement) ||
-     // IE10 uses non-standard touch events, so it has a different check.
-     !!(Blockly.utils.global['navigator'] &&
-        (Blockly.utils.global['navigator']['maxTouchPoints'] ||
-         Blockly.utils.global['navigator']['msMaxTouchPoints'])));
-
-/**
- * Which touch events are we currently paying attention to?
- * @type {?string}
- * @private
- */
-Blockly.Touch.touchIdentifier_ = null;
-
-/**
- * The TOUCH_MAP lookup dictionary specifies additional touch events to fire,
- * in conjunction with mouse events.
- * @type {Object}
- */
-Blockly.Touch.TOUCH_MAP = {};
-if (Blockly.utils.global['PointerEvent']) {
-  Blockly.Touch.TOUCH_MAP = {
-    'mousedown': ['pointerdown'],
-    'mouseenter': ['pointerenter'],
-    'mouseleave': ['pointerleave'],
-    'mousemove': ['pointermove'],
-    'mouseout': ['pointerout'],
-    'mouseover': ['pointerover'],
-    'mouseup': ['pointerup', 'pointercancel'],
-    'touchend': ['pointerup'],
-    'touchcancel': ['pointercancel']
-  };
-} else if (Blockly.Touch.TOUCH_ENABLED) {
-  Blockly.Touch.TOUCH_MAP = {
-    'mousedown': ['touchstart'],
-    'mousemove': ['touchmove'],
-    'mouseup': ['touchend', 'touchcancel']
-  };
-}
-
-/**
- * PID of queued long-press task.
- * @private
- */
-Blockly.longPid_ = 0;
-
-/**
- * Context menus on touch devices are activated using a long-press.
- * Unfortunately the contextmenu touch event is currently (2015) only supported
- * by Chrome.  This function is fired on any touchstart event, queues a task,
- * which after about a second opens the context menu.  The tasks is killed
- * if the touch event terminates early.
- * @param {!Event} e Touch start event.
- * @param {Blockly.Gesture} gesture The gesture that triggered this longStart.
- * @package
- */
-Blockly.longStart = function(e, gesture) {
-  Blockly.longStop_();
-  // Punt on multitouch events.
-  if (e.changedTouches && e.changedTouches.length != 1) {
-    return;
-  }
-  Blockly.longPid_ = setTimeout(function() {
-    // Additional check to distinguish between touch events and pointer events
-    if (e.changedTouches) {
-      // TouchEvent
-      e.button = 2;  // Simulate a right button click.
-      // e was a touch event.  It needs to pretend to be a mouse event.
-      e.clientX = e.changedTouches[0].clientX;
-      e.clientY = e.changedTouches[0].clientY;
-    }
-
-    // Let the gesture route the right-click correctly.
-    if (gesture) {
-      gesture.handleRightClick(e);
-    }
-
-  }, Blockly.LONGPRESS);
-};
-
-/**
- * Nope, that's not a long-press.  Either touchend or touchcancel was fired,
- * or a drag hath begun.  Kill the queued long-press task.
- * @package
- */
-Blockly.longStop_ = function() {
-  if (Blockly.longPid_) {
-    clearTimeout(Blockly.longPid_);
-    Blockly.longPid_ = 0;
-  }
-};
-
-/**
- * Clear the touch identifier that tracks which touch stream to pay attention
- * to.  This ends the current drag/gesture and allows other pointers to be
- * captured.
- */
-Blockly.Touch.clearTouchIdentifier = function() {
-  Blockly.Touch.touchIdentifier_ = null;
-};
-
-/**
- * Decide whether Blockly should handle or ignore this event.
- * Mouse and touch events require special checks because we only want to deal
- * with one touch stream at a time.  All other events should always be handled.
- * @param {!Event} e The event to check.
- * @return {boolean} True if this event should be passed through to the
- *     registered handler; false if it should be blocked.
- */
-Blockly.Touch.shouldHandleEvent = function(e) {
-  return !Blockly.Touch.isMouseOrTouchEvent(e) ||
-      Blockly.Touch.checkTouchIdentifier(e);
-};
-
-/**
- * Get the touch identifier from the given event.  If it was a mouse event, the
- * identifier is the string 'mouse'.
- * @param {!Event} e Mouse event or touch event.
- * @return {string} The touch identifier from the first changed touch, if
- *     defined.  Otherwise 'mouse'.
- */
-Blockly.Touch.getTouchIdentifierFromEvent = function(e) {
-  return e.pointerId != undefined ? e.pointerId :
-      (e.changedTouches && e.changedTouches[0] &&
-      e.changedTouches[0].identifier !== undefined &&
-      e.changedTouches[0].identifier !== null) ?
-      e.changedTouches[0].identifier : 'mouse';
-};
-
-/**
- * Check whether the touch identifier on the event matches the current saved
- * identifier.  If there is no identifier, that means it's a mouse event and
- * we'll use the identifier "mouse".  This means we won't deal well with
- * multiple mice being used at the same time.  That seems okay.
- * If the current identifier was unset, save the identifier from the
- * event.  This starts a drag/gesture, during which touch events with other
- * identifiers will be silently ignored.
- * @param {!Event} e Mouse event or touch event.
- * @return {boolean} Whether the identifier on the event matches the current
- *     saved identifier.
- */
-Blockly.Touch.checkTouchIdentifier = function(e) {
-  var identifier = Blockly.Touch.getTouchIdentifierFromEvent(e);
-
-  // if (Blockly.touchIdentifier_ )is insufficient because Android touch
-  // identifiers may be zero.
-  if (Blockly.Touch.touchIdentifier_ !== undefined &&
-      Blockly.Touch.touchIdentifier_ !== null) {
-    // We're already tracking some touch/mouse event.  Is this from the same
-    // source?
-    return Blockly.Touch.touchIdentifier_ == identifier;
-  }
-  if (e.type == 'mousedown' || e.type == 'touchstart' ||
-      e.type == 'pointerdown') {
-    // No identifier set yet, and this is the start of a drag.  Set it and
-    // return.
-    Blockly.Touch.touchIdentifier_ = identifier;
-    return true;
-  }
-  // There was no identifier yet, but this wasn't a start event so we're going
-  // to ignore it.  This probably means that another drag finished while this
-  // pointer was down.
-  return false;
-};
-
-/**
- * Set an event's clientX and clientY from its first changed touch.  Use this to
- * make a touch event work in a mouse event handler.
- * @param {!Event} e A touch event.
- */
-Blockly.Touch.setClientFromTouch = function(e) {
-  if (Blockly.utils.string.startsWith(e.type, 'touch')) {
-    // Map the touch event's properties to the event.
-    var touchPoint = e.changedTouches[0];
-    e.clientX = touchPoint.clientX;
-    e.clientY = touchPoint.clientY;
-  }
-};
-
-/**
- * Check whether a given event is a mouse or touch event.
- * @param {!Event} e An event.
- * @return {boolean} True if it is a mouse or touch event; false otherwise.
- */
-Blockly.Touch.isMouseOrTouchEvent = function(e) {
-  return Blockly.utils.string.startsWith(e.type, 'touch') ||
-      Blockly.utils.string.startsWith(e.type, 'mouse') ||
-      Blockly.utils.string.startsWith(e.type, 'pointer');
-};
-
-/**
- * Check whether a given event is a touch event or a pointer event.
- * @param {!Event} e An event.
- * @return {boolean} True if it is a touch event; false otherwise.
- */
-Blockly.Touch.isTouchEvent = function(e) {
-  return Blockly.utils.string.startsWith(e.type, 'touch') ||
-      Blockly.utils.string.startsWith(e.type, 'pointer');
-};
-
-/**
- * Split an event into an array of events, one per changed touch or mouse
- * point.
- * @param {!Event} e A mouse event or a touch event with one or more changed
- * touches.
- * @return {!Array.<!Event>} An array of mouse or touch events.  Each touch
- *     event will have exactly one changed touch.
- */
-Blockly.Touch.splitEventByTouches = function(e) {
-  var events = [];
-  if (e.changedTouches) {
-    for (var i = 0; i < e.changedTouches.length; i++) {
-      var newEvent = {
-        type: e.type,
-        changedTouches: [e.changedTouches[i]],
-        target: e.target,
-        stopPropagation: function() { e.stopPropagation(); },
-        preventDefault: function() { e.preventDefault(); }
-      };
-      events[i] = newEvent;
-    }
-  } else {
-    events.push(e);
-  }
-  return events;
-};
diff --git a/core/touch.ts b/core/touch.ts
new file mode 100644
index 00000000000..8fb2cd2298c
--- /dev/null
+++ b/core/touch.ts
@@ -0,0 +1,155 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Touch
+
+import type {Gesture} from './gesture.js';
+
+/** Length in ms for a touch to become a long press. */
+const LONGPRESS = 750;
+
+/**
+ * Whether touch is enabled in the browser.
+ * Copied from Closure's goog.events.BrowserFeature.TOUCH_ENABLED
+ */
+export const TOUCH_ENABLED =
+  'ontouchstart' in globalThis ||
+  !!(
+    globalThis['document'] &&
+    document.documentElement &&
+    'ontouchstart' in document.documentElement
+  ) || // IE10 uses non-standard touch events,
+  // so it has a different check.
+  !!(
+    globalThis['navigator'] &&
+    (globalThis['navigator']['maxTouchPoints'] ||
+      (globalThis['navigator'] as any)['msMaxTouchPoints'])
+  );
+
+/** Which touch events are we currently paying attention to? */
+let touchIdentifier_: string | null = null;
+
+/**
+ * The TOUCH_MAP lookup dictionary specifies additional touch events to fire,
+ * in conjunction with mouse events.
+ */
+export const TOUCH_MAP: {[key: string]: string[]} = {
+  'mousedown': ['pointerdown'],
+  'mouseenter': ['pointerenter'],
+  'mouseleave': ['pointerleave'],
+  'mousemove': ['pointermove'],
+  'mouseout': ['pointerout'],
+  'mouseover': ['pointerover'],
+  'mouseup': ['pointerup', 'pointercancel'],
+  'touchend': ['pointerup'],
+  'touchcancel': ['pointercancel'],
+};
+
+/** PID of queued long-press task. */
+let longPid_: AnyDuringMigration = 0;
+
+/**
+ * Context menus on touch devices are activated using a long-press.
+ * Unfortunately the contextmenu touch event is currently (2015) only supported
+ * by Chrome.  This function is fired on any touchstart event, queues a task,
+ * which after about a second opens the context menu.  The tasks is killed
+ * if the touch event terminates early.
+ *
+ * @param e Touch start event.
+ * @param gesture The gesture that triggered this longStart.
+ * @internal
+ */
+export function longStart(e: PointerEvent, gesture: Gesture) {
+  longStop();
+  longPid_ = setTimeout(function () {
+    // Let the gesture route the right-click correctly.
+    if (gesture) {
+      gesture.handleRightClick(e);
+    }
+  }, LONGPRESS);
+}
+
+/**
+ * Nope, that's not a long-press.  Either touchend or touchcancel was fired,
+ * or a drag hath begun.  Kill the queued long-press task.
+ *
+ * @internal
+ */
+export function longStop() {
+  if (longPid_) {
+    clearTimeout(longPid_);
+    longPid_ = 0;
+  }
+}
+
+/**
+ * Clear the touch identifier that tracks which touch stream to pay attention
+ * to.  This ends the current drag/gesture and allows other pointers to be
+ * captured.
+ */
+export function clearTouchIdentifier() {
+  touchIdentifier_ = null;
+}
+
+/**
+ * Decide whether Blockly should handle or ignore this event.
+ * Mouse and touch events require special checks because we only want to deal
+ * with one touch stream at a time.  All other events should always be handled.
+ *
+ * @param e The event to check.
+ * @returns True if this event should be passed through to the registered
+ *     handler; false if it should be blocked.
+ */
+export function shouldHandleEvent(e: Event): boolean {
+  // Do not replace the startsWith with a check for `instanceof PointerEvent`.
+  // `click` and `contextmenu` are PointerEvents in some browsers,
+  // despite not starting with `pointer`, but we want to always handle them
+  // without worrying about touch identifiers.
+  return (
+    !e.type.startsWith('pointer') ||
+    (e instanceof PointerEvent && checkTouchIdentifier(e))
+  );
+}
+
+/**
+ * Get the pointer identifier from the given event.
+ *
+ * @param e Pointer event.
+ * @returns The pointerId of the event.
+ */
+export function getTouchIdentifierFromEvent(e: PointerEvent): string {
+  return `${e.pointerId}`;
+}
+
+/**
+ * Check whether the pointer identifier on the event matches the current saved
+ * identifier. If the current identifier was unset, save the identifier from
+ * the event. This starts a drag/gesture, during which pointer events with
+ * other identifiers will be silently ignored.
+ *
+ * @param e Pointer event.
+ * @returns Whether the identifier on the event matches the current saved
+ *     identifier.
+ */
+export function checkTouchIdentifier(e: PointerEvent): boolean {
+  const identifier = getTouchIdentifierFromEvent(e);
+
+  if (touchIdentifier_) {
+    // We're already tracking some touch/mouse event.  Is this from the same
+    // source?
+    return touchIdentifier_ === identifier;
+  }
+  if (e.type === 'pointerdown') {
+    // No identifier set yet, and this is the start of a drag.  Set it and
+    // return.
+    touchIdentifier_ = identifier;
+    return true;
+  }
+  // There was no identifier yet, but this wasn't a start event so we're going
+  // to ignore it.  This probably means that another drag finished while this
+  // pointer was down.
+  return false;
+}
diff --git a/core/touch_gesture.js b/core/touch_gesture.js
deleted file mode 100644
index ff4c8f02f4a..00000000000
--- a/core/touch_gesture.js
+++ /dev/null
@@ -1,325 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The class extends Blockly.Gesture to support pinch to zoom
- * for both pointer and touch events.
- * @author samelh@microsoft.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.TouchGesture');
-
-goog.require('Blockly.Gesture');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.object');
-
-
-/*
- * Note: In this file "start" refers to touchstart, mousedown, and pointerstart
- * events.  "End" refers to touchend, mouseup, and pointerend events.
- */
-
-/**
- * Class for one gesture.
- * @param {!Event} e The event that kicked off this gesture.
- * @param {!Blockly.WorkspaceSvg} creatorWorkspace The workspace that created
- *     this gesture and has a reference to it.
- * @extends {Blockly.Gesture}
- * @constructor
- */
-Blockly.TouchGesture = function(e, creatorWorkspace) {
-  Blockly.TouchGesture.superClass_.constructor.call(this, e, creatorWorkspace);
-
-  /**
-   * Boolean for whether or not this gesture is a multi-touch gesture.
-   * @type {boolean}
-   * @private
-   */
-  this.isMultiTouch_ = false;
-
-  /**
-   * A map of cached points used for tracking multi-touch gestures.
-   * @type {!Object<number|string, Blockly.utils.Coordinate>}
-   * @private
-   */
-  this.cachedPoints_ = Object.create(null);
-
-  /**
-   * This is the ratio between the starting distance between the touch points
-   * and the most recent distance between the touch points.
-   * Scales between 0 and 1 mean the most recent zoom was a zoom out.
-   * Scales above 1.0 mean the most recent zoom was a zoom in.
-   * @type {number}
-   * @private
-   */
-  this.previousScale_ = 0;
-
-  /**
-   * The starting distance between two touch points.
-   * @type {number}
-   * @private
-   */
-  this.startDistance_ = 0;
-
-  /**
-   * A handle to use to unbind the second touch start or pointer down listener
-   * at the end of a drag.
-   * Opaque data returned from Blockly.bindEventWithChecks_.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onStartWrapper_ = null;
-
-  /**
-   * Boolean for whether or not the workspace supports pinch-zoom.
-   * @type {?boolean}
-   * @private
-   */
-  this.isPinchZoomEnabled_ = null;
-};
-Blockly.utils.object.inherits(Blockly.TouchGesture, Blockly.Gesture);
-
-/**
- * A multiplier used to convert the gesture scale to a zoom in delta.
- * @const
- */
-Blockly.TouchGesture.ZOOM_IN_MULTIPLIER = 5;
-
-/**
- * A multiplier used to convert the gesture scale to a zoom out delta.
- * @const
- */
-Blockly.TouchGesture.ZOOM_OUT_MULTIPLIER = 6;
-
-/**
- * Start a gesture: update the workspace to indicate that a gesture is in
- * progress and bind mousemove and mouseup handlers.
- * @param {!Event} e A mouse down, touch start or pointer down event.
- * @package
- */
-Blockly.TouchGesture.prototype.doStart = function(e) {
-  this.isPinchZoomEnabled_ = this.startWorkspace_.options.zoomOptions &&
-      this.startWorkspace_.options.zoomOptions.pinch;
-  Blockly.TouchGesture.superClass_.doStart.call(this, e);
-  if (!this.isEnding_ && Blockly.Touch.isTouchEvent(e)) {
-    this.handleTouchStart(e);
-  }
-};
-
-/**
- * Bind gesture events.
- * Overriding the gesture definition of this function, binding the same
- * functions for onMoveWrapper_ and onUpWrapper_ but passing
- * opt_noCaptureIdentifier.
- * In addition, binding a second mouse down event to detect multi-touch events.
- * @param {!Event} e A mouse down or touch start event.
- * @package
- */
-Blockly.TouchGesture.prototype.bindMouseEvents = function(e) {
-  this.onStartWrapper_ = Blockly.bindEventWithChecks_(
-      document, 'mousedown', null, this.handleStart.bind(this),
-      /* opt_noCaptureIdentifier */ true);
-  this.onMoveWrapper_ = Blockly.bindEventWithChecks_(
-      document, 'mousemove', null, this.handleMove.bind(this),
-      /* opt_noCaptureIdentifier */ true);
-  this.onUpWrapper_ = Blockly.bindEventWithChecks_(
-      document, 'mouseup', null, this.handleUp.bind(this),
-      /* opt_noCaptureIdentifier */ true);
-
-  e.preventDefault();
-  e.stopPropagation();
-};
-
-/**
- * Handle a mouse down, touch start, or pointer down event.
- * @param {!Event} e A mouse down, touch start, or pointer down event.
- * @package
- */
-Blockly.TouchGesture.prototype.handleStart = function(e) {
-  if (this.isDragging()) {
-    // A drag has already started, so this can no longer be a pinch-zoom.
-    return;
-  }
-  if (Blockly.Touch.isTouchEvent(e)) {
-    this.handleTouchStart(e);
-
-    if (this.isMultiTouch()) {
-      Blockly.longStop_();
-    }
-  }
-};
-
-/**
- * Handle a mouse move, touch move, or pointer move event.
- * @param {!Event} e A mouse move, touch move, or pointer move event.
- * @package
- */
-Blockly.TouchGesture.prototype.handleMove = function(e) {
-  if (this.isDragging()) {
-    // We are in the middle of a drag, only handle the relevant events
-    if (Blockly.Touch.shouldHandleEvent(e)) {
-      Blockly.TouchGesture.superClass_.handleMove.call(this, e);
-    }
-    return;
-  }
-  if (this.isMultiTouch()) {
-    if (Blockly.Touch.isTouchEvent(e)) {
-      this.handleTouchMove(e);
-    }
-    Blockly.longStop_();
-  } else {
-    Blockly.TouchGesture.superClass_.handleMove.call(this, e);
-  }
-};
-
-/**
- * Handle a mouse up, touch end, or pointer up event.
- * @param {!Event} e A mouse up, touch end, or pointer up event.
- * @package
- */
-Blockly.TouchGesture.prototype.handleUp = function(e) {
-  if (Blockly.Touch.isTouchEvent(e) && !this.isDragging()) {
-    this.handleTouchEnd(e);
-  }
-  if (!this.isMultiTouch() || this.isDragging()) {
-    if (!Blockly.Touch.shouldHandleEvent(e)) {
-      return;
-    }
-    Blockly.TouchGesture.superClass_.handleUp.call(this, e);
-  } else {
-    e.preventDefault();
-    e.stopPropagation();
-
-    this.dispose();
-  }
-};
-
-/**
- * Whether this gesture is part of a multi-touch gesture.
- * @return {boolean} Whether this gesture is part of a multi-touch gesture.
- * @package
- */
-Blockly.TouchGesture.prototype.isMultiTouch = function() {
-  return this.isMultiTouch_;
-};
-
-/**
- * Sever all links from this object.
- * @package
- */
-Blockly.TouchGesture.prototype.dispose = function() {
-  Blockly.TouchGesture.superClass_.dispose.call(this);
-
-  if (this.onStartWrapper_) {
-    Blockly.unbindEvent_(this.onStartWrapper_);
-  }
-};
-
-/**
- * Handle a touch start or pointer down event and keep track of current
- * pointers.
- * @param {!Event} e A touch start, or pointer down event.
- * @package
- */
-Blockly.TouchGesture.prototype.handleTouchStart = function(e) {
-  var pointerId = Blockly.Touch.getTouchIdentifierFromEvent(e);
-  // store the pointerId in the current list of pointers
-  this.cachedPoints_[pointerId] = this.getTouchPoint(e);
-  var pointers = Object.keys(this.cachedPoints_);
-  // If two pointers are down, store info
-  if (pointers.length == 2) {
-    var point0 = /** @type {!Blockly.utils.Coordinate} */ (
-      this.cachedPoints_[pointers[0]]);
-    var point1 = /** @type {!Blockly.utils.Coordinate} */ (
-      this.cachedPoints_[pointers[1]]);
-    this.startDistance_ = Blockly.utils.Coordinate.distance(point0, point1);
-    this.isMultiTouch_ = true;
-    e.preventDefault();
-  }
-};
-
-/**
- * Handle a touch move or pointer move event and zoom in/out if two pointers
- * are on the screen.
- * @param {!Event} e A touch move, or pointer move event.
- * @package
- */
-Blockly.TouchGesture.prototype.handleTouchMove = function(e) {
-  var pointerId = Blockly.Touch.getTouchIdentifierFromEvent(e);
-  // Update the cache
-  this.cachedPoints_[pointerId] = this.getTouchPoint(e);
-
-  var pointers = Object.keys(this.cachedPoints_);
-  if (this.isPinchZoomEnabled_ && pointers.length === 2) {
-    this.handlePinch_(e);
-  } else {
-    Blockly.TouchGesture.superClass_.handleMove.call(this, e);
-  }
-};
-
-/**
-* Handle pinch zoom gesture.
-* @param {!Event} e A touch move, or pointer move event.
-* @private
-*/
-Blockly.TouchGesture.prototype.handlePinch_ = function(e) {
-  var pointers = Object.keys(this.cachedPoints_);
-  // Calculate the distance between the two pointers
-  var point0 = /** @type {!Blockly.utils.Coordinate} */ (
-    this.cachedPoints_[pointers[0]]);
-  var point1 = /** @type {!Blockly.utils.Coordinate} */ (
-    this.cachedPoints_[pointers[1]]);
-  var moveDistance = Blockly.utils.Coordinate.distance(point0, point1);
-  var scale = moveDistance / this.startDistance_;
-
-  if (this.previousScale_ > 0 && this.previousScale_ < Infinity) {
-    var gestureScale = scale - this.previousScale_;
-    var delta = gestureScale > 0 ?
-        gestureScale * Blockly.TouchGesture.ZOOM_IN_MULTIPLIER :
-        gestureScale * Blockly.TouchGesture.ZOOM_OUT_MULTIPLIER;
-    var workspace = this.startWorkspace_;
-    var position = Blockly.utils.mouseToSvg(
-        e, workspace.getParentSvg(), workspace.getInverseScreenCTM());
-    workspace.zoom(position.x, position.y, delta);
-  }
-  this.previousScale_ = scale;
-  e.preventDefault();
-};
-
-
-/**
- * Handle a touch end or pointer end event and end the gesture.
- * @param {!Event} e A touch end, or pointer end event.
- * @package
- */
-Blockly.TouchGesture.prototype.handleTouchEnd = function(e) {
-  var pointerId = Blockly.Touch.getTouchIdentifierFromEvent(e);
-  if (this.cachedPoints_[pointerId]) {
-    delete this.cachedPoints_[pointerId];
-  }
-  if (Object.keys(this.cachedPoints_).length < 2) {
-    this.cachedPoints_ = Object.create(null);
-    this.previousScale_ = 0;
-  }
-};
-
-/**
- * Helper function returning the current touch point coordinate.
- * @param {!Event} e A touch or pointer event.
- * @return {Blockly.utils.Coordinate} The current touch point coordinate
- * @package
- */
-Blockly.TouchGesture.prototype.getTouchPoint = function(e) {
-  if (!this.startWorkspace_) {
-    return null;
-  }
-  return new Blockly.utils.Coordinate(
-      (e.pageX ? e.pageX : e.changedTouches[0].pageX),
-      (e.pageY ? e.pageY : e.changedTouches[0].pageY)
-  );
-};
diff --git a/core/trashcan.js b/core/trashcan.js
deleted file mode 100644
index b6a05d5e85a..00000000000
--- a/core/trashcan.js
+++ /dev/null
@@ -1,661 +0,0 @@
-/**
- * @license
- * Copyright 2011 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object representing a trash can icon.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Trashcan');
-
-goog.require('Blockly.Scrollbar');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Rect');
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.utils.toolbox');
-goog.require('Blockly.Xml');
-
-goog.requireType('Blockly.IDeleteArea');
-goog.requireType('Blockly.IFlyout');
-
-
-/**
- * Class for a trash can.
- * @param {!Blockly.WorkspaceSvg} workspace The workspace to sit in.
- * @constructor
- * @implements {Blockly.IDeleteArea}
- */
-Blockly.Trashcan = function(workspace) {
-  /**
-   * The workspace the trashcan sits in.
-   * @type {!Blockly.WorkspaceSvg}
-   * @private
-   */
-  this.workspace_ = workspace;
-
-  /**
-   * A list of XML (stored as strings) representing blocks in the trashcan.
-   * @type {!Array.<string>}
-   * @private
-   */
-  this.contents_ = [];
-
-  /**
-   * The trashcan flyout.
-   * @type {Blockly.IFlyout}
-   * @package
-   */
-  this.flyout = null;
-
-  if (this.workspace_.options.maxTrashcanContents <= 0) {
-    return;
-  }
-  // Create flyout options.
-  var flyoutWorkspaceOptions = new Blockly.Options(
-      /** @type {!Blockly.BlocklyOptions} */
-      ({
-        'scrollbars': true,
-        'parentWorkspace': this.workspace_,
-        'rtl': this.workspace_.RTL,
-        'oneBasedIndex': this.workspace_.options.oneBasedIndex,
-        'renderer': this.workspace_.options.renderer,
-        'rendererOverrides': this.workspace_.options.rendererOverrides
-      }));
-  // Create vertical or horizontal flyout.
-  if (this.workspace_.horizontalLayout) {
-    flyoutWorkspaceOptions.toolboxPosition =
-        this.workspace_.toolboxPosition == Blockly.utils.toolbox.Position.TOP ?
-        Blockly.utils.toolbox.Position.BOTTOM : Blockly.utils.toolbox.Position.TOP;
-    if (!Blockly.HorizontalFlyout) {
-      throw Error('Missing require for Blockly.HorizontalFlyout');
-    }
-    this.flyout = new Blockly.HorizontalFlyout(flyoutWorkspaceOptions);
-  } else {
-    flyoutWorkspaceOptions.toolboxPosition =
-      this.workspace_.toolboxPosition == Blockly.utils.toolbox.Position.RIGHT ?
-        Blockly.utils.toolbox.Position.LEFT : Blockly.utils.toolbox.Position.RIGHT;
-    if (!Blockly.VerticalFlyout) {
-      throw Error('Missing require for Blockly.VerticalFlyout');
-    }
-    this.flyout = new Blockly.VerticalFlyout(flyoutWorkspaceOptions);
-  }
-  this.workspace_.addChangeListener(this.onDelete_.bind(this));
-};
-
-/**
- * Width of both the trash can and lid images.
- * @const {number}
- * @private
- */
-Blockly.Trashcan.prototype.WIDTH_ = 47;
-
-/**
- * Height of the trashcan image (minus lid).
- * @const {number}
- * @private
- */
-Blockly.Trashcan.prototype.BODY_HEIGHT_ = 44;
-
-/**
- * Height of the lid image.
- * @const {number}
- * @private
- */
-Blockly.Trashcan.prototype.LID_HEIGHT_ = 16;
-
-/**
- * Distance between trashcan and bottom edge of workspace.
- * @const {number}
- * @private
- */
-Blockly.Trashcan.prototype.MARGIN_BOTTOM_ = 20;
-
-/**
- * Distance between trashcan and right edge of workspace.
- * @const {number}
- * @private
- */
-Blockly.Trashcan.prototype.MARGIN_SIDE_ = 20;
-
-/**
- * Extent of hotspot on all sides beyond the size of the image.
- * @const {number}
- * @private
- */
-Blockly.Trashcan.prototype.MARGIN_HOTSPOT_ = 10;
-
-/**
- * Location of trashcan in sprite image.
- * @const {number}
- * @private
- */
-Blockly.Trashcan.prototype.SPRITE_LEFT_ = 0;
-
-/**
- * Location of trashcan in sprite image.
- * @const {number}
- * @private
- */
-Blockly.Trashcan.prototype.SPRITE_TOP_ = 32;
-
-/**
- * The openness of the lid when the trashcan contains blocks.
- *    (0.0 = closed, 1.0 = open)
- * @const {number}
- * @private
- */
-Blockly.Trashcan.prototype.HAS_BLOCKS_LID_ANGLE_ = 0.1;
-
-/**
- * The length of the lid open/close animation in milliseconds.
- * @const {number}
- * @private
- */
-Blockly.Trashcan.ANIMATION_LENGTH_ = 80;
-
-/**
- * The number of frames in the animation.
- * @const {number}
- * @private
- */
-Blockly.Trashcan.ANIMATION_FRAMES_ = 4;
-
-/**
- * The minimum (resting) opacity of the trashcan and lid.
- * @const {number}
- * @private
- */
-Blockly.Trashcan.OPACITY_MIN_ = 0.4;
-
-/**
- * The maximum (hovered) opacity of the trashcan and lid.
- * @const {number}
- * @private
- */
-Blockly.Trashcan.OPACITY_MAX_ = 0.8;
-
-/**
- * The maximum angle the trashcan lid can opens to. At the end of the open
- * animation the lid will be open to this angle.
- * @const {number}
- * @private
- */
-Blockly.Trashcan.MAX_LID_ANGLE_ = 45;
-
-/**
- * Current open/close state of the lid.
- * @type {boolean}
- */
-Blockly.Trashcan.prototype.isLidOpen = false;
-
-/**
- * The minimum openness of the lid. Used to indicate if the trashcan contains
- *  blocks.
- * @type {number}
- * @private
- */
-Blockly.Trashcan.prototype.minOpenness_ = 0;
-
-/**
- * The SVG group containing the trash can.
- * @type {SVGElement}
- * @private
- */
-Blockly.Trashcan.prototype.svgGroup_ = null;
-
-/**
- * The SVG image element of the trash can lid.
- * @type {SVGElement}
- * @private
- */
-Blockly.Trashcan.prototype.svgLid_ = null;
-
-/**
- * Task ID of opening/closing animation.
- * @type {number}
- * @private
- */
-Blockly.Trashcan.prototype.lidTask_ = 0;
-
-/**
- * Current state of lid opening (0.0 = closed, 1.0 = open).
- * @type {number}
- * @private
- */
-Blockly.Trashcan.prototype.lidOpen_ = 0;
-
-/**
- * Left coordinate of the trash can.
- * @type {number}
- * @private
- */
-Blockly.Trashcan.prototype.left_ = 0;
-
-/**
- * Top coordinate of the trash can.
- * @type {number}
- * @private
- */
-Blockly.Trashcan.prototype.top_ = 0;
-
-/**
- * Create the trash can elements.
- * @return {!SVGElement} The trash can's SVG group.
- */
-Blockly.Trashcan.prototype.createDom = function() {
-  /* Here's the markup that will be generated:
-  <g class="blocklyTrash">
-    <clippath id="blocklyTrashBodyClipPath837493">
-      <rect width="47" height="45" y="15"></rect>
-    </clippath>
-    <image width="64" height="92" y="-32" xlink:href="media/sprites.png"
-        clip-path="url(#blocklyTrashBodyClipPath837493)"></image>
-    <clippath id="blocklyTrashLidClipPath837493">
-      <rect width="47" height="15"></rect>
-    </clippath>
-    <image width="84" height="92" y="-32" xlink:href="media/sprites.png"
-        clip-path="url(#blocklyTrashLidClipPath837493)"></image>
-  </g>
-  */
-  this.svgGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G,
-      {'class': 'blocklyTrash'}, null);
-  var clip;
-  var rnd = String(Math.random()).substring(2);
-  clip = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.CLIPPATH,
-      {'id': 'blocklyTrashBodyClipPath' + rnd},
-      this.svgGroup_);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'width': this.WIDTH_,
-        'height': this.BODY_HEIGHT_,
-        'y': this.LID_HEIGHT_
-      },
-      clip);
-  var body = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.IMAGE,
-      {
-        'width': Blockly.SPRITE.width,
-        'x': -this.SPRITE_LEFT_,
-        'height': Blockly.SPRITE.height,
-        'y': -this.SPRITE_TOP_,
-        'clip-path': 'url(#blocklyTrashBodyClipPath' + rnd + ')'
-      },
-      this.svgGroup_);
-  body.setAttributeNS(Blockly.utils.dom.XLINK_NS, 'xlink:href',
-      this.workspace_.options.pathToMedia + Blockly.SPRITE.url);
-
-  clip = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.CLIPPATH,
-      {'id': 'blocklyTrashLidClipPath' + rnd},
-      this.svgGroup_);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {'width': this.WIDTH_, 'height': this.LID_HEIGHT_}, clip);
-  this.svgLid_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.IMAGE,
-      {
-        'width': Blockly.SPRITE.width,
-        'x': -this.SPRITE_LEFT_,
-        'height': Blockly.SPRITE.height,
-        'y': -this.SPRITE_TOP_,
-        'clip-path': 'url(#blocklyTrashLidClipPath' + rnd + ')'
-      },
-      this.svgGroup_);
-  this.svgLid_.setAttributeNS(Blockly.utils.dom.XLINK_NS, 'xlink:href',
-      this.workspace_.options.pathToMedia + Blockly.SPRITE.url);
-
-  Blockly.bindEventWithChecks_(this.svgGroup_, 'mouseup', this, this.click);
-  // bindEventWithChecks_ quashes events too aggressively. See:
-  // https://groups.google.com/forum/#!topic/blockly/QF4yB9Wx00s
-  // Bind to body instead of this.svgGroup_ so that we don't get lid jitters
-  Blockly.bindEvent_(body, 'mouseover', this, this.mouseOver_);
-  Blockly.bindEvent_(body, 'mouseout', this, this.mouseOut_);
-  this.animateLid_();
-  return this.svgGroup_;
-};
-
-/**
- * Initialize the trash can.
- * @param {number} verticalSpacing Vertical distance from workspace edge to the
- *    same edge of the trashcan.
- * @return {number} Vertical distance from workspace edge to the opposite
- *    edge of the trashcan.
- */
-Blockly.Trashcan.prototype.init = function(verticalSpacing) {
-  if (this.workspace_.options.maxTrashcanContents > 0) {
-    Blockly.utils.dom.insertAfter(
-        this.flyout.createDom(Blockly.utils.Svg.SVG),
-        this.workspace_.getParentSvg());
-    this.flyout.init(this.workspace_);
-  }
-
-  this.verticalSpacing_ = this.MARGIN_BOTTOM_ + verticalSpacing;
-  this.setLidOpen(false);
-  return this.verticalSpacing_ + this.BODY_HEIGHT_ + this.LID_HEIGHT_;
-};
-
-/**
- * Dispose of this trash can.
- * Unlink from all DOM elements to prevent memory leaks.
- * @suppress {checkTypes}
- */
-Blockly.Trashcan.prototype.dispose = function() {
-  if (this.svgGroup_) {
-    Blockly.utils.dom.removeNode(this.svgGroup_);
-    this.svgGroup_ = null;
-  }
-  this.svgLid_ = null;
-  this.workspace_ = null;
-  clearTimeout(this.lidTask_);
-};
-
-/**
- * Whether the trashcan has contents.
- * @return {boolean} True if the trashcan has contents.
- * @private
- */
-Blockly.Trashcan.prototype.hasContents_ = function() {
-  return !!this.contents_.length;
-};
-
-/**
- * Returns true if the trashcan contents-flyout is currently open.
- * @return {boolean} True if the trashcan contents-flyout is currently open.
- */
-Blockly.Trashcan.prototype.contentsIsOpen = function() {
-  return this.flyout.isVisible();
-};
-
-/**
- * Opens the trashcan flyout.
- */
-Blockly.Trashcan.prototype.openFlyout = function() {
-  if (this.contentsIsOpen()) {
-    return;
-  }
-
-  var xml = [];
-  for (var i = 0, text; (text = this.contents_[i]); i++) {
-    xml[i] = Blockly.Xml.textToDom(text);
-  }
-  this.flyout.show(xml);
-  this.fireUiEvent_(true);
-};
-
-/**
- * Closes the trashcan flyout.
- */
-Blockly.Trashcan.prototype.closeFlyout = function() {
-  if (!this.contentsIsOpen()) {
-    return;
-  }
-
-  this.flyout.hide();
-  this.fireUiEvent_(false);
-};
-
-/**
- * Empties the trashcan's contents. If the contents-flyout is currently open
- * it will be closed.
- */
-Blockly.Trashcan.prototype.emptyContents = function() {
-  if (!this.hasContents_()) {
-    return;
-  }
-  this.contents_.length = 0;
-  this.setMinOpenness_(0);
-  this.closeFlyout();
-};
-
-/**
- * Position the trashcan.
- * It is positioned in the opposite corner to the corner the
- * categories/toolbox starts at.
- */
-Blockly.Trashcan.prototype.position = function() {
-  // Not yet initialized.
-  if (!this.verticalSpacing_) {
-    return;
-  }
-  var metrics = this.workspace_.getMetrics();
-  if (!metrics) {
-    // There are no metrics available (workspace is probably not visible).
-    return;
-  }
-  if (metrics.toolboxPosition == Blockly.TOOLBOX_AT_LEFT ||
-      (this.workspace_.horizontalLayout && !this.workspace_.RTL)) {
-    // Toolbox starts in the left corner.
-    this.left_ = metrics.viewWidth + metrics.absoluteLeft -
-        this.WIDTH_ - this.MARGIN_SIDE_ - Blockly.Scrollbar.scrollbarThickness;
-  } else {
-    // Toolbox starts in the right corner.
-    this.left_ = this.MARGIN_SIDE_ + Blockly.Scrollbar.scrollbarThickness;
-  }
-
-  if (metrics.toolboxPosition == Blockly.TOOLBOX_AT_BOTTOM) {
-    this.top_ = this.verticalSpacing_;
-  } else {
-    this.top_ = metrics.viewHeight + metrics.absoluteTop -
-        (this.BODY_HEIGHT_ + this.LID_HEIGHT_) - this.verticalSpacing_;
-  }
-
-  this.svgGroup_.setAttribute('transform',
-      'translate(' + this.left_ + ',' + this.top_ + ')');
-};
-
-/**
- * Return the deletion rectangle for this trash can.
- * @return {Blockly.utils.Rect} Rectangle in which to delete.
- */
-Blockly.Trashcan.prototype.getClientRect = function() {
-  if (!this.svgGroup_) {
-    return null;
-  }
-
-  var trashRect = this.svgGroup_.getBoundingClientRect();
-  var top = trashRect.top + this.SPRITE_TOP_ - this.MARGIN_HOTSPOT_;
-  var bottom = top + this.LID_HEIGHT_ + this.BODY_HEIGHT_ +
-      2 * this.MARGIN_HOTSPOT_;
-  var left = trashRect.left + this.SPRITE_LEFT_ - this.MARGIN_HOTSPOT_;
-  var right = left + this.WIDTH_ + 2 * this.MARGIN_HOTSPOT_;
-  return new Blockly.utils.Rect(top, bottom, left, right);
-};
-
-/**
- * Flip the lid open or shut.
- * @param {boolean} state True if open.
- * @package
- */
-Blockly.Trashcan.prototype.setLidOpen = function(state) {
-  if (this.isLidOpen == state) {
-    return;
-  }
-  clearTimeout(this.lidTask_);
-  this.isLidOpen = state;
-  this.animateLid_();
-};
-
-/**
- * Rotate the lid open or closed by one step.  Then wait and recurse.
- * @private
- */
-Blockly.Trashcan.prototype.animateLid_ = function() {
-  var frames = Blockly.Trashcan.ANIMATION_FRAMES_;
-
-  var delta = 1 / (frames + 1);
-  this.lidOpen_ += this.isLidOpen ? delta : -delta;
-  this.lidOpen_ = Math.min(Math.max(this.lidOpen_, this.minOpenness_), 1);
-
-  this.setLidAngle_(this.lidOpen_ * Blockly.Trashcan.MAX_LID_ANGLE_);
-
-  var minOpacity = Blockly.Trashcan.OPACITY_MIN_;
-  var maxOpacity = Blockly.Trashcan.OPACITY_MAX_;
-  // Linear interpolation between min and max.
-  var opacity = minOpacity + this.lidOpen_ * (maxOpacity - minOpacity);
-  this.svgGroup_.style.opacity = opacity;
-
-  if (this.lidOpen_ > this.minOpenness_ && this.lidOpen_ < 1) {
-    this.lidTask_ = setTimeout(this.animateLid_.bind(this),
-        Blockly.Trashcan.ANIMATION_LENGTH_ / frames);
-  }
-};
-
-/**
- * Set the angle of the trashcan's lid.
- * @param {number} lidAngle The angle at which to set the lid.
- * @private
- */
-Blockly.Trashcan.prototype.setLidAngle_ = function(lidAngle) {
-  var openAtRight = this.workspace_.toolboxPosition == Blockly.TOOLBOX_AT_RIGHT ||
-      (this.workspace_.horizontalLayout && this.workspace_.RTL);
-  this.svgLid_.setAttribute('transform', 'rotate(' +
-      (openAtRight ? -lidAngle : lidAngle) + ',' +
-      (openAtRight ? 4 : this.WIDTH_ - 4) + ',' +
-      (this.LID_HEIGHT_ - 2) + ')');
-};
-
-/**
- * Sets the minimum openness of the trashcan lid. If the lid is currently
- * closed, this will update lid's position.
- * @param {number} newMin The new minimum openness of the lid. Should be between
- *     0 and 1.
- * @private
- */
-Blockly.Trashcan.prototype.setMinOpenness_ = function(newMin) {
-  this.minOpenness_ = newMin;
-  if (!this.isLidOpen) {
-    this.setLidAngle_(newMin * Blockly.Trashcan.MAX_LID_ANGLE_);
-  }
-};
-
-/**
- * Flip the lid shut.
- * Called externally after a drag.
- */
-Blockly.Trashcan.prototype.closeLid = function() {
-  this.setLidOpen(false);
-};
-
-/**
- * Inspect the contents of the trash.
- */
-Blockly.Trashcan.prototype.click = function() {
-  if (!this.hasContents_()) {
-    return;
-  }
-  this.openFlyout();
-};
-
-/**
- * Fires a ui event for trashcan flyout open or close.
- * @param {boolean} trashcanOpen Whether the flyout is opening.
- * @private
- */
-Blockly.Trashcan.prototype.fireUiEvent_ = function(trashcanOpen) {
-  var uiEvent = new Blockly.Events.Ui(null, 'trashcanOpen', null, trashcanOpen);
-  uiEvent.workspaceId = this.workspace_.id;
-  Blockly.Events.fire(uiEvent);
-};
-
-/**
- * Indicate that the trashcan can be clicked (by opening it) if it has blocks.
- * @private
- */
-Blockly.Trashcan.prototype.mouseOver_ = function() {
-  if (this.hasContents_()) {
-    this.setLidOpen(true);
-  }
-};
-
-/**
- * Close the lid of the trashcan if it was open (Vis. it was indicating it had
- *    blocks).
- * @private
- */
-Blockly.Trashcan.prototype.mouseOut_ = function() {
-  // No need to do a .hasBlocks check here because if it doesn't the trashcan
-  // won't be open in the first place, and setOpen won't run.
-  this.setLidOpen(false);
-};
-
-/**
- * Handle a BLOCK_DELETE event. Adds deleted blocks oldXml to the content array.
- * @param {!Blockly.Events.Abstract} event Workspace event.
- * @private
- */
-Blockly.Trashcan.prototype.onDelete_ = function(event) {
-  if (this.workspace_.options.maxTrashcanContents <= 0) {
-    return;
-  }
-  // Must check that the tagName exists since oldXml can be a DocumentFragment.
-  if (event.type == Blockly.Events.BLOCK_DELETE && event.oldXml.tagName &&
-      event.oldXml.tagName.toLowerCase() != 'shadow') {
-    var cleanedXML = this.cleanBlockXML_(event.oldXml);
-    if (this.contents_.indexOf(cleanedXML) != -1) {
-      return;
-    }
-    this.contents_.unshift(cleanedXML);
-    while (this.contents_.length >
-        this.workspace_.options.maxTrashcanContents) {
-      this.contents_.pop();
-    }
-
-    this.setMinOpenness_(this.HAS_BLOCKS_LID_ANGLE_);
-  }
-};
-
-/**
- * Converts XML representing a block into text that can be stored in the
- *    content array.
- * @param {!Element} xml An XML tree defining the block and any
- *    connected child blocks.
- * @return {string} Text representing the XML tree, cleaned of all unnecessary
- * attributes.
- * @private
- */
-Blockly.Trashcan.prototype.cleanBlockXML_ = function(xml) {
-  var xmlBlock = xml.cloneNode(true);
-  var node = xmlBlock;
-  while (node) {
-    // Things like text inside tags are still treated as nodes, but they
-    // don't have attributes (or the removeAttribute function) so we can
-    // skip removing attributes from them.
-    if (node.removeAttribute) {
-      node.removeAttribute('x');
-      node.removeAttribute('y');
-      node.removeAttribute('id');
-      node.removeAttribute('disabled');
-      if (node.nodeName == 'comment') {  // Future proof just in case.
-        node.removeAttribute('h');
-        node.removeAttribute('w');
-        node.removeAttribute('pinned');
-      }
-    }
-
-    // Try to go down the tree
-    var nextNode = node.firstChild || node.nextSibling;
-    // If we can't go down, try to go back up the tree.
-    if (!nextNode) {
-      nextNode = node.parentNode;
-      while (nextNode) {
-        // We are valid again!
-        if (nextNode.nextSibling) {
-          nextNode = nextNode.nextSibling;
-          break;
-        }
-        // Try going up again. If parentNode is null that means we have
-        // reached the top, and we will break out of both loops.
-        nextNode = nextNode.parentNode;
-      }
-    }
-    node = nextNode;
-  }
-  return Blockly.Xml.domToText(xmlBlock);
-};
diff --git a/core/trashcan.ts b/core/trashcan.ts
new file mode 100644
index 00000000000..050f506a48f
--- /dev/null
+++ b/core/trashcan.ts
@@ -0,0 +1,749 @@
+/**
+ * @license
+ * Copyright 2011 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Object representing a trash can icon.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Trashcan
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_trashcan_open.js';
+
+import type {BlocklyOptions} from './blockly_options.js';
+import * as browserEvents from './browser_events.js';
+import {ComponentManager} from './component_manager.js';
+import {DeleteArea} from './delete_area.js';
+import type {Abstract} from './events/events_abstract.js';
+import type {BlockDelete} from './events/events_block_delete.js';
+import * as eventUtils from './events/utils.js';
+import type {IAutoHideable} from './interfaces/i_autohideable.js';
+import type {IDraggable} from './interfaces/i_draggable.js';
+import type {IFlyout} from './interfaces/i_flyout.js';
+import type {IPositionable} from './interfaces/i_positionable.js';
+import type {UiMetrics} from './metrics_manager.js';
+import {Options} from './options.js';
+import * as uiPosition from './positionable_helpers.js';
+import * as registry from './registry.js';
+import type * as blocks from './serialization/blocks.js';
+import {SPRITE} from './sprites.js';
+import * as dom from './utils/dom.js';
+import {Rect} from './utils/rect.js';
+import {Size} from './utils/size.js';
+import {Svg} from './utils/svg.js';
+import {BlockInfo} from './utils/toolbox.js';
+import * as toolbox from './utils/toolbox.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * Class for a trash can.
+ */
+export class Trashcan
+  extends DeleteArea
+  implements IAutoHideable, IPositionable
+{
+  /**
+   * The unique id for this component that is used to register with the
+   * ComponentManager.
+   */
+  override id = 'trashcan';
+
+  /**
+   * A list of JSON (stored as strings) representing blocks in the trashcan.
+   */
+  private readonly contents: string[] = [];
+
+  /**
+   * The trashcan flyout.
+   *
+   * @internal
+   */
+  flyout: IFlyout | null = null;
+
+  /** Current open/close state of the lid. */
+  isLidOpen = false;
+
+  /**
+   * The minimum openness of the lid. Used to indicate if the trashcan
+   * contains blocks.
+   */
+  private minOpenness = 0;
+
+  /** The SVG group containing the trash can. */
+  private svgGroup: SVGElement | null = null;
+
+  /** The SVG image element of the trash can lid. */
+  private svgLid: SVGElement | null = null;
+
+  /** Task ID of opening/closing animation. */
+  private lidTask: ReturnType<typeof setTimeout> | null = null;
+
+  /** Current state of lid opening (0.0 = closed, 1.0 = open). */
+  private lidOpen = 0;
+
+  /** Left coordinate of the trash can. */
+  private left = 0;
+
+  /** Top coordinate of the trash can. */
+  private top = 0;
+
+  /** Whether this trash can has been initialized. */
+  private initialized = false;
+
+  /** @param workspace The workspace to sit in. */
+  constructor(private workspace: WorkspaceSvg) {
+    super();
+
+    if (this.workspace.options.maxTrashcanContents <= 0) {
+      return;
+    }
+
+    // Create flyout options.
+    const flyoutWorkspaceOptions = new Options({
+      'scrollbars': true,
+      'parentWorkspace': this.workspace,
+      'rtl': this.workspace.RTL,
+      'oneBasedIndex': this.workspace.options.oneBasedIndex,
+      'renderer': this.workspace.options.renderer,
+      'rendererOverrides': this.workspace.options.rendererOverrides,
+      'move': {
+        'scrollbars': true,
+      },
+    } as BlocklyOptions);
+    // Create vertical or horizontal flyout.
+    if (this.workspace.horizontalLayout) {
+      flyoutWorkspaceOptions.toolboxPosition =
+        this.workspace.toolboxPosition === toolbox.Position.TOP
+          ? toolbox.Position.BOTTOM
+          : toolbox.Position.TOP;
+      const HorizontalFlyout = registry.getClassFromOptions(
+        registry.Type.FLYOUTS_HORIZONTAL_TOOLBOX,
+        this.workspace.options,
+        true,
+      );
+      this.flyout = new HorizontalFlyout!(flyoutWorkspaceOptions);
+    } else {
+      flyoutWorkspaceOptions.toolboxPosition =
+        this.workspace.toolboxPosition === toolbox.Position.RIGHT
+          ? toolbox.Position.LEFT
+          : toolbox.Position.RIGHT;
+      const VerticalFlyout = registry.getClassFromOptions(
+        registry.Type.FLYOUTS_VERTICAL_TOOLBOX,
+        this.workspace.options,
+        true,
+      );
+      this.flyout = new VerticalFlyout!(flyoutWorkspaceOptions);
+    }
+    this.workspace.addChangeListener(this.onDelete.bind(this));
+  }
+
+  /**
+   * Create the trash can elements.
+   *
+   * @returns The trash can's SVG group.
+   */
+  createDom(): SVGElement {
+    /* Here's the markup that will be generated:
+        <g class="blocklyTrash">
+          <clippath id="blocklyTrashBodyClipPath837493">
+            <rect width="47" height="45" y="15"></rect>
+          </clippath>
+          <image width="64" height="92" y="-32" xlink:href="media/sprites.png"
+              clip-path="url(#blocklyTrashBodyClipPath837493)"></image>
+          <clippath id="blocklyTrashLidClipPath837493">
+            <rect width="47" height="15"></rect>
+          </clippath>
+          <image width="84" height="92" y="-32" xlink:href="media/sprites.png"
+              clip-path="url(#blocklyTrashLidClipPath837493)"></image>
+        </g>
+        */
+    this.svgGroup = dom.createSvgElement(Svg.G, {'class': 'blocklyTrash'});
+    let clip;
+    const rnd = String(Math.random()).substring(2);
+    clip = dom.createSvgElement(
+      Svg.CLIPPATH,
+      {'id': 'blocklyTrashBodyClipPath' + rnd},
+      this.svgGroup,
+    );
+    dom.createSvgElement(
+      Svg.RECT,
+      {'width': WIDTH, 'height': BODY_HEIGHT, 'y': LID_HEIGHT},
+      clip,
+    );
+    const body = dom.createSvgElement(
+      Svg.IMAGE,
+      {
+        'width': SPRITE.width,
+        'x': -SPRITE_LEFT,
+        'height': SPRITE.height,
+        'y': -SPRITE_TOP,
+        'clip-path': 'url(#blocklyTrashBodyClipPath' + rnd + ')',
+      },
+      this.svgGroup,
+    );
+    body.setAttributeNS(
+      dom.XLINK_NS,
+      'xlink:href',
+      this.workspace.options.pathToMedia + SPRITE.url,
+    );
+
+    clip = dom.createSvgElement(
+      Svg.CLIPPATH,
+      {'id': 'blocklyTrashLidClipPath' + rnd},
+      this.svgGroup,
+    );
+    dom.createSvgElement(
+      Svg.RECT,
+      {'width': WIDTH, 'height': LID_HEIGHT},
+      clip,
+    );
+    this.svgLid = dom.createSvgElement(
+      Svg.IMAGE,
+      {
+        'width': SPRITE.width,
+        'x': -SPRITE_LEFT,
+        'height': SPRITE.height,
+        'y': -SPRITE_TOP,
+        'clip-path': 'url(#blocklyTrashLidClipPath' + rnd + ')',
+      },
+      this.svgGroup,
+    );
+    this.svgLid.setAttributeNS(
+      dom.XLINK_NS,
+      'xlink:href',
+      this.workspace.options.pathToMedia + SPRITE.url,
+    );
+
+    // bindEventWithChecks_ quashes events too aggressively. See:
+    // https://groups.google.com/forum/#!topic/blockly/QF4yB9Wx00s
+    // Using bindEventWithChecks_ for blocking mousedown causes issue in mobile.
+    // See #4303
+    browserEvents.bind(
+      this.svgGroup,
+      'pointerdown',
+      this,
+      this.blockMouseDownWhenOpenable,
+    );
+    browserEvents.bind(this.svgGroup, 'pointerup', this, this.click);
+    // Bind to body instead of this.svgGroup so that we don't get lid jitters
+    browserEvents.bind(body, 'pointerover', this, this.mouseOver);
+    browserEvents.bind(body, 'pointerout', this, this.mouseOut);
+    this.animateLid();
+    return this.svgGroup;
+  }
+
+  /** Initializes the trash can. */
+  init() {
+    if (this.workspace.options.maxTrashcanContents > 0) {
+      dom.insertAfter(
+        this.flyout!.createDom(Svg.SVG)!,
+        this.workspace.getParentSvg(),
+      );
+      this.flyout!.init(this.workspace);
+    }
+    this.workspace.getComponentManager().addComponent({
+      component: this,
+      weight: 1,
+      capabilities: [
+        ComponentManager.Capability.AUTOHIDEABLE,
+        ComponentManager.Capability.DELETE_AREA,
+        ComponentManager.Capability.DRAG_TARGET,
+        ComponentManager.Capability.POSITIONABLE,
+      ],
+    });
+    this.initialized = true;
+    this.setLidOpen(false);
+  }
+
+  /**
+   * Dispose of this trash can.
+   * Unlink from all DOM elements to prevent memory leaks.
+   */
+  dispose() {
+    this.workspace.getComponentManager().removeComponent('trashcan');
+    if (this.svgGroup) {
+      dom.removeNode(this.svgGroup);
+    }
+    if (this.lidTask) {
+      clearTimeout(this.lidTask);
+    }
+  }
+
+  /**
+   * Whether the trashcan has contents.
+   *
+   * @returns True if the trashcan has contents.
+   */
+  private hasContents(): boolean {
+    return !!this.contents.length;
+  }
+
+  /**
+   * Returns true if the trashcan contents-flyout is currently open.
+   *
+   * @returns True if the trashcan contents-flyout is currently open.
+   */
+  contentsIsOpen(): boolean {
+    return !!this.flyout && this.flyout.isVisible();
+  }
+
+  /** Opens the trashcan flyout. */
+  openFlyout() {
+    if (this.contentsIsOpen()) {
+      return;
+    }
+    const contents = this.contents.map(function (string) {
+      return JSON.parse(string);
+    });
+    // Trashcans with lots of blocks can take a second to render.
+    const blocklyStyle = this.workspace.getParentSvg().style;
+    blocklyStyle.cursor = 'wait';
+    setTimeout(() => {
+      this.flyout?.show(contents);
+      blocklyStyle.cursor = '';
+      this.workspace.scrollbar?.setVisible(false);
+    }, 10);
+    this.fireUiEvent(true);
+  }
+
+  /** Closes the trashcan flyout. */
+  closeFlyout() {
+    if (!this.contentsIsOpen()) {
+      return;
+    }
+    this.flyout?.hide();
+    this.workspace.scrollbar?.setVisible(true);
+    this.fireUiEvent(false);
+    this.workspace.recordDragTargets();
+  }
+
+  /**
+   * Hides the component. Called in WorkspaceSvg.hideChaff.
+   *
+   * @param onlyClosePopups Whether only popups should be closed.
+   *     Flyouts should not be closed if this is true.
+   */
+  autoHide(onlyClosePopups: boolean) {
+    // For now the trashcan flyout always autocloses because it overlays the
+    // trashcan UI (no trashcan to click to close it).
+    if (!onlyClosePopups && this.flyout) {
+      this.closeFlyout();
+    }
+  }
+
+  /**
+   * Empties the trashcan's contents. If the contents-flyout is currently open
+   * it will be closed.
+   */
+  emptyContents() {
+    if (!this.hasContents()) {
+      return;
+    }
+    this.contents.length = 0;
+    this.setMinOpenness(0);
+    this.closeFlyout();
+  }
+
+  /**
+   * Positions the trashcan.
+   * It is positioned in the opposite corner to the corner the
+   * categories/toolbox starts at.
+   *
+   * @param metrics The workspace metrics.
+   * @param savedPositions List of rectangles that are already on the workspace.
+   */
+  position(metrics: UiMetrics, savedPositions: Rect[]) {
+    // Not yet initialized.
+    if (!this.initialized) {
+      return;
+    }
+
+    const cornerPosition = uiPosition.getCornerOppositeToolbox(
+      this.workspace,
+      metrics,
+    );
+
+    const height = BODY_HEIGHT + LID_HEIGHT;
+    const startRect = uiPosition.getStartPositionRect(
+      cornerPosition,
+      new Size(WIDTH, height),
+      MARGIN_HORIZONTAL,
+      MARGIN_VERTICAL,
+      metrics,
+      this.workspace,
+    );
+
+    const verticalPosition = cornerPosition.vertical;
+    const bumpDirection =
+      verticalPosition === uiPosition.verticalPosition.TOP
+        ? uiPosition.bumpDirection.DOWN
+        : uiPosition.bumpDirection.UP;
+    const positionRect = uiPosition.bumpPositionRect(
+      startRect,
+      MARGIN_VERTICAL,
+      bumpDirection,
+      savedPositions,
+    );
+
+    this.top = positionRect.top;
+    this.left = positionRect.left;
+    this.svgGroup?.setAttribute(
+      'transform',
+      'translate(' + this.left + ',' + this.top + ')',
+    );
+  }
+
+  /**
+   * Returns the bounding rectangle of the UI element in pixel units relative to
+   * the Blockly injection div.
+   *
+   * @returns The UI elements's bounding box. Null if bounding box should be
+   *     ignored by other UI elements.
+   */
+  getBoundingRectangle(): Rect | null {
+    const bottom = this.top + BODY_HEIGHT + LID_HEIGHT;
+    const right = this.left + WIDTH;
+    return new Rect(this.top, bottom, this.left, right);
+  }
+
+  /**
+   * Returns the bounding rectangle of the drag target area in pixel units
+   * relative to viewport.
+   *
+   * @returns The component's bounding box. Null if drag target area should be
+   *     ignored.
+   */
+  override getClientRect(): Rect | null {
+    if (!this.svgGroup) {
+      return null;
+    }
+
+    const trashRect = this.svgGroup.getBoundingClientRect();
+    const top = trashRect.top + SPRITE_TOP - MARGIN_HOTSPOT;
+    const bottom = top + LID_HEIGHT + BODY_HEIGHT + 2 * MARGIN_HOTSPOT;
+    const left = trashRect.left + SPRITE_LEFT - MARGIN_HOTSPOT;
+    const right = left + WIDTH + 2 * MARGIN_HOTSPOT;
+    return new Rect(top, bottom, left, right);
+  }
+
+  /**
+   * Handles when a cursor with a block or bubble is dragged over this drag
+   * target.
+   *
+   * @param _dragElement The block or bubble currently being dragged.
+   */
+  override onDragOver(_dragElement: IDraggable) {
+    this.setLidOpen(this.wouldDelete_);
+  }
+
+  /**
+   * Handles when a cursor with a block or bubble exits this drag target.
+   *
+   * @param _dragElement The block or bubble currently being dragged.
+   */
+  override onDragExit(_dragElement: IDraggable) {
+    this.setLidOpen(false);
+  }
+
+  /**
+   * Handles when a block or bubble is dropped on this component.
+   * Should not handle delete here.
+   *
+   * @param _dragElement The block or bubble currently being dragged.
+   */
+  override onDrop(_dragElement: IDraggable) {
+    setTimeout(this.setLidOpen.bind(this, false), 100);
+  }
+
+  /**
+   * Flip the lid open or shut.
+   *
+   * @param state True if open.
+   * @internal
+   */
+  setLidOpen(state: boolean) {
+    if (this.isLidOpen === state) {
+      return;
+    }
+    if (this.lidTask) {
+      clearTimeout(this.lidTask);
+    }
+    this.isLidOpen = state;
+    this.animateLid();
+  }
+
+  /** Rotate the lid open or closed by one step.  Then wait and recurse. */
+  private animateLid() {
+    const frames = ANIMATION_FRAMES;
+
+    const delta = 1 / (frames + 1);
+    this.lidOpen += this.isLidOpen ? delta : -delta;
+    this.lidOpen = Math.min(Math.max(this.lidOpen, this.minOpenness), 1);
+
+    this.setLidAngle(this.lidOpen * MAX_LID_ANGLE);
+
+    // Linear interpolation between min and max.
+    const opacity = OPACITY_MIN + this.lidOpen * (OPACITY_MAX - OPACITY_MIN);
+    if (this.svgGroup) {
+      this.svgGroup.style.opacity = `${opacity}`;
+    }
+
+    if (this.lidOpen > this.minOpenness && this.lidOpen < 1) {
+      this.lidTask = setTimeout(
+        this.animateLid.bind(this),
+        ANIMATION_LENGTH / frames,
+      );
+    }
+  }
+
+  /**
+   * Set the angle of the trashcan's lid.
+   *
+   * @param lidAngle The angle at which to set the lid.
+   */
+  private setLidAngle(lidAngle: number) {
+    const openAtRight =
+      this.workspace.toolboxPosition === toolbox.Position.RIGHT ||
+      (this.workspace.horizontalLayout && this.workspace.RTL);
+    this.svgLid?.setAttribute(
+      'transform',
+      'rotate(' +
+        (openAtRight ? -lidAngle : lidAngle) +
+        ',' +
+        (openAtRight ? 4 : WIDTH - 4) +
+        ',' +
+        (LID_HEIGHT - 2) +
+        ')',
+    );
+  }
+
+  /**
+   * Sets the minimum openness of the trashcan lid. If the lid is currently
+   * closed, this will update lid's position.
+   *
+   * @param newMin The new minimum openness of the lid. Should be between 0
+   *     and 1.
+   */
+  private setMinOpenness(newMin: number) {
+    this.minOpenness = newMin;
+    if (!this.isLidOpen) {
+      this.setLidAngle(newMin * MAX_LID_ANGLE);
+    }
+  }
+
+  /**
+   * Flip the lid shut.
+   * Called externally after a drag.
+   */
+  closeLid() {
+    this.setLidOpen(false);
+  }
+
+  /** Inspect the contents of the trash. */
+  click() {
+    if (!this.hasContents() || this.workspace.isDragging()) {
+      return;
+    }
+    this.openFlyout();
+  }
+
+  /**
+   * Fires a UI event for trashcan flyout open or close.
+   *
+   * @param trashcanOpen Whether the flyout is opening.
+   */
+  private fireUiEvent(trashcanOpen: boolean) {
+    const uiEvent = new (eventUtils.get(eventUtils.TRASHCAN_OPEN))(
+      trashcanOpen,
+      this.workspace.id,
+    );
+    eventUtils.fire(uiEvent);
+  }
+
+  /**
+   * Prevents a workspace scroll and click event if the trashcan has blocks.
+   *
+   * @param e A mouse down event.
+   */
+  private blockMouseDownWhenOpenable(e: PointerEvent) {
+    if (!this.contentsIsOpen() && this.hasContents()) {
+      // Don't start a workspace scroll.
+      e.stopPropagation();
+    }
+  }
+
+  /**
+   * Indicate that the trashcan can be clicked (by opening it) if it has blocks.
+   */
+  private mouseOver() {
+    if (this.hasContents()) {
+      this.setLidOpen(true);
+    }
+  }
+
+  /**
+   * Close the lid of the trashcan if it was open (Vis. it was indicating it had
+   *    blocks).
+   */
+  private mouseOut() {
+    // No need to do a .hasBlocks check here because if it doesn't the trashcan
+    // won't be open in the first place, and setOpen won't run.
+    this.setLidOpen(false);
+  }
+
+  /**
+   * Handle a BLOCK_DELETE event. Adds deleted blocks oldXml to the content
+   * array.
+   *
+   * @param event Workspace event.
+   */
+  private onDelete(event: Abstract) {
+    if (
+      this.workspace.options.maxTrashcanContents <= 0 ||
+      event.type !== eventUtils.BLOCK_DELETE
+    ) {
+      return;
+    }
+    const deleteEvent = event as BlockDelete;
+    if (event.type === eventUtils.BLOCK_DELETE && !deleteEvent.wasShadow) {
+      if (!deleteEvent.oldJson) {
+        throw new Error('Encountered a delete event without proper oldJson');
+      }
+      const cleanedJson = JSON.stringify(
+        this.cleanBlockJson(deleteEvent.oldJson),
+      );
+      if (this.contents.includes(cleanedJson)) {
+        return;
+      }
+      this.contents.unshift(cleanedJson);
+      while (
+        this.contents.length > this.workspace.options.maxTrashcanContents
+      ) {
+        this.contents.pop();
+      }
+
+      this.setMinOpenness(HAS_BLOCKS_LID_ANGLE);
+    }
+  }
+
+  /**
+   * Converts JSON representing a block into text that can be stored in the
+   * content array.
+   *
+   * @param json A JSON representation of a block's state.
+   * @returns A BlockInfo object corresponding to the JSON, cleaned of all
+   *     unnecessary attributes.
+   */
+  private cleanBlockJson(json: blocks.State): BlockInfo {
+    // Create a deep copy.
+    json = JSON.parse(JSON.stringify(json)) as blocks.State;
+
+    /**
+     * Reshape JSON into a nicer format.
+     *
+     * @param json The JSON to clean.
+     */
+    function cleanRec(json: blocks.State) {
+      if (!json) {
+        return;
+      }
+
+      delete json['id'];
+      delete json['x'];
+      delete json['y'];
+      delete json['enabled'];
+      delete json['disabledReasons'];
+
+      if (json['icons'] && json['icons']['comment']) {
+        const comment = json['icons']['comment'];
+        delete comment['height'];
+        delete comment['width'];
+        delete comment['pinned'];
+      }
+
+      const inputs = json['inputs'];
+      for (const name in inputs) {
+        const input = inputs[name];
+        const block = input['block'];
+        const shadow = input['shadow'];
+        if (block) {
+          cleanRec(block);
+        }
+        if (shadow) {
+          cleanRec(shadow);
+        }
+      }
+      if (json['next']) {
+        const next = json['next'];
+        const block = next['block'];
+        const shadow = next['shadow'];
+        if (block) {
+          cleanRec(block);
+        }
+        if (shadow) {
+          cleanRec(shadow);
+        }
+      }
+    }
+
+    cleanRec(json);
+
+    const blockInfo: BlockInfo = {
+      'kind': 'BLOCK',
+      ...json,
+    };
+    return blockInfo;
+  }
+}
+
+/** Width of both the trash can and lid images. */
+const WIDTH = 47;
+
+/** Height of the trashcan image (minus lid). */
+const BODY_HEIGHT = 44;
+
+/** Height of the lid image. */
+const LID_HEIGHT = 16;
+
+/** Distance between trashcan and bottom or top edge of workspace. */
+const MARGIN_VERTICAL = 20;
+
+/** Distance between trashcan and right or left edge of workspace. */
+const MARGIN_HORIZONTAL = 20;
+
+/** Extent of hotspot on all sides beyond the size of the image. */
+const MARGIN_HOTSPOT = 10;
+
+/** Location of trashcan in sprite image. */
+const SPRITE_LEFT = 0;
+
+/** Location of trashcan in sprite image. */
+const SPRITE_TOP = 32;
+
+/**
+ * The openness of the lid when the trashcan contains blocks.
+ *    (0.0 = closed, 1.0 = open)
+ */
+const HAS_BLOCKS_LID_ANGLE = 0.1;
+
+/** The length of the lid open/close animation in milliseconds. */
+const ANIMATION_LENGTH = 80;
+
+/** The number of frames in the animation. */
+const ANIMATION_FRAMES = 4;
+
+/** The minimum (resting) opacity of the trashcan and lid. */
+const OPACITY_MIN = 0.4;
+
+/** The maximum (hovered) opacity of the trashcan and lid. */
+const OPACITY_MAX = 0.8;
+
+/**
+ * The maximum angle the trashcan lid can opens to. At the end of the open
+ * animation the lid will be open to this angle.
+ */
+const MAX_LID_ANGLE = 45;
diff --git a/core/ui_events.js b/core/ui_events.js
deleted file mode 100644
index 7991f6b86b1..00000000000
--- a/core/ui_events.js
+++ /dev/null
@@ -1,85 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Events fired as a result of UI actions in Blockly's editor.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Events.Ui');
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.Abstract');
-goog.require('Blockly.registry');
-goog.require('Blockly.utils.object');
-
-
-/**
- * Class for a UI event.
- * UI events are events that don't need to be sent over the wire for multi-user
- * editing to work (e.g. scrolling the workspace, zooming, opening toolbox
- * categories).
- * UI events do not undo or redo.
- * @param {?Blockly.Block=} opt_block The affected block.  Null for UI events
- *     that do not have an associated block.  Undefined for a blank event.
- * @param {string=} opt_element One of 'selected', 'comment', 'mutatorOpen',
- *     etc.
- * @param {*=} opt_oldValue Previous value of element.
- * @param {*=} opt_newValue New value of element.
- * @extends {Blockly.Events.Abstract}
- * @constructor
- */
-Blockly.Events.Ui = function(opt_block, opt_element, opt_oldValue,
-    opt_newValue) {
-  Blockly.Events.Ui.superClass_.constructor.call(this);
-  this.isBlank = typeof opt_block == 'undefined';
-
-  this.blockId = opt_block ? opt_block.id : null;
-  this.workspaceId = opt_block ? opt_block.workspace.id : undefined;
-  this.element = typeof opt_element == 'undefined' ? '' : opt_element;
-  this.oldValue = typeof opt_oldValue == 'undefined' ? '' : opt_oldValue;
-  this.newValue = typeof opt_newValue == 'undefined' ? '' : opt_newValue;
-  // UI events do not undo or redo.
-  this.recordUndo = false;
-};
-Blockly.utils.object.inherits(Blockly.Events.Ui, Blockly.Events.Abstract);
-
-/**
- * Type of this event.
- * @type {string}
- */
-Blockly.Events.Ui.prototype.type = Blockly.Events.UI;
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-Blockly.Events.Ui.prototype.toJson = function() {
-  var json = Blockly.Events.Ui.superClass_.toJson.call(this);
-  json['element'] = this.element;
-  if (this.newValue !== undefined) {
-    json['newValue'] = this.newValue;
-  }
-  if (this.blockId) {
-    json['blockId'] = this.blockId;
-  }
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.Ui.prototype.fromJson = function(json) {
-  Blockly.Events.Ui.superClass_.fromJson.call(this, json);
-  this.element = json['element'];
-  this.newValue = json['newValue'];
-  this.blockId = json['blockId'];
-};
-
-Blockly.registry.register(Blockly.registry.Type.EVENT, Blockly.Events.UI,
-    Blockly.Events.Ui);
diff --git a/core/utils.js b/core/utils.js
deleted file mode 100644
index 25d4a58ab03..00000000000
--- a/core/utils.js
+++ /dev/null
@@ -1,652 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utility methods.
- * These methods are not specific to Blockly, and could be factored out into
- * a JavaScript framework such as Closure.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.utils
- * @namespace
- */
-goog.provide('Blockly.utils');
-
-goog.require('Blockly.Msg');
-goog.require('Blockly.constants');
-goog.require('Blockly.utils.colour');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.global');
-goog.require('Blockly.utils.Rect');
-goog.require('Blockly.utils.string');
-goog.require('Blockly.utils.style');
-goog.require('Blockly.utils.userAgent');
-
-
-/**
- * Don't do anything for this event, just halt propagation.
- * @param {!Event} e An event.
- */
-Blockly.utils.noEvent = function(e) {
-  // This event has been handled.  No need to bubble up to the document.
-  e.preventDefault();
-  e.stopPropagation();
-};
-
-/**
- * Is this event targeting a text input widget?
- * @param {!Event} e An event.
- * @return {boolean} True if text input.
- */
-Blockly.utils.isTargetInput = function(e) {
-  return e.target.type == 'textarea' || e.target.type == 'text' ||
-         e.target.type == 'number' || e.target.type == 'email' ||
-         e.target.type == 'password' || e.target.type == 'search' ||
-         e.target.type == 'tel' || e.target.type == 'url' ||
-         e.target.isContentEditable ||
-         (e.target.dataset && e.target.dataset.isTextInput == 'true');
-};
-
-/**
- * Return the coordinates of the top-left corner of this element relative to
- * its parent.  Only for SVG elements and children (e.g. rect, g, path).
- * @param {!Element} element SVG element to find the coordinates of.
- * @return {!Blockly.utils.Coordinate} Object with .x and .y properties.
- */
-Blockly.utils.getRelativeXY = function(element) {
-  var xy = new Blockly.utils.Coordinate(0, 0);
-  // First, check for x and y attributes.
-  var x = element.getAttribute('x');
-  if (x) {
-    xy.x = parseInt(x, 10);
-  }
-  var y = element.getAttribute('y');
-  if (y) {
-    xy.y = parseInt(y, 10);
-  }
-  // Second, check for transform="translate(...)" attribute.
-  var transform = element.getAttribute('transform');
-  var r = transform && transform.match(Blockly.utils.getRelativeXY.XY_REGEX_);
-  if (r) {
-    xy.x += Number(r[1]);
-    if (r[3]) {
-      xy.y += Number(r[3]);
-    }
-  }
-
-  // Then check for style = transform: translate(...) or translate3d(...)
-  var style = element.getAttribute('style');
-  if (style && style.indexOf('translate') > -1) {
-    var styleComponents =
-        style.match(Blockly.utils.getRelativeXY.XY_STYLE_REGEX_);
-    if (styleComponents) {
-      xy.x += Number(styleComponents[1]);
-      if (styleComponents[3]) {
-        xy.y += Number(styleComponents[3]);
-      }
-    }
-  }
-  return xy;
-};
-
-/**
- * Return the coordinates of the top-left corner of this element relative to
- * the div Blockly was injected into.
- * @param {!Element} element SVG element to find the coordinates of. If this is
- *     not a child of the div Blockly was injected into, the behaviour is
- *     undefined.
- * @return {!Blockly.utils.Coordinate} Object with .x and .y properties.
- */
-Blockly.utils.getInjectionDivXY_ = function(element) {
-  var x = 0;
-  var y = 0;
-  while (element) {
-    var xy = Blockly.utils.getRelativeXY(element);
-    x = x + xy.x;
-    y = y + xy.y;
-    var classes = element.getAttribute('class') || '';
-    if ((' ' + classes + ' ').indexOf(' injectionDiv ') != -1) {
-      break;
-    }
-    element = /** @type {!Element} */ (element.parentNode);
-  }
-  return new Blockly.utils.Coordinate(x, y);
-};
-
-/**
- * Static regex to pull the x,y values out of an SVG translate() directive.
- * Note that Firefox and IE (9,10) return 'translate(12)' instead of
- * 'translate(12, 0)'.
- * Note that IE (9,10) returns 'translate(16 8)' instead of 'translate(16, 8)'.
- * Note that IE has been reported to return scientific notation (0.123456e-42).
- * @type {!RegExp}
- * @private
- */
-Blockly.utils.getRelativeXY.XY_REGEX_ =
-    /translate\(\s*([-+\d.e]+)([ ,]\s*([-+\d.e]+)\s*)?/;
-
-/**
- * Static regex to pull the x,y values out of a translate() or translate3d()
- * style property.
- * Accounts for same exceptions as XY_REGEX_.
- * @type {!RegExp}
- * @private
- */
-Blockly.utils.getRelativeXY.XY_STYLE_REGEX_ =
-    /transform:\s*translate(?:3d)?\(\s*([-+\d.e]+)\s*px([ ,]\s*([-+\d.e]+)\s*px)?/;
-
-/**
- * Is this event a right-click?
- * @param {!Event} e Mouse event.
- * @return {boolean} True if right-click.
- */
-Blockly.utils.isRightButton = function(e) {
-  if (e.ctrlKey && Blockly.utils.userAgent.MAC) {
-    // Control-clicking on Mac OS X is treated as a right-click.
-    // WebKit on Mac OS X fails to change button to 2 (but Gecko does).
-    return true;
-  }
-  return e.button == 2;
-};
-
-/**
- * Return the converted coordinates of the given mouse event.
- * The origin (0,0) is the top-left corner of the Blockly SVG.
- * @param {!Event} e Mouse event.
- * @param {!Element} svg SVG element.
- * @param {SVGMatrix} matrix Inverted screen CTM to use.
- * @return {!SVGPoint} Object with .x and .y properties.
- */
-Blockly.utils.mouseToSvg = function(e, svg, matrix) {
-  var svgPoint = svg.createSVGPoint();
-  svgPoint.x = e.clientX;
-  svgPoint.y = e.clientY;
-
-  if (!matrix) {
-    matrix = svg.getScreenCTM().inverse();
-  }
-  return svgPoint.matrixTransform(matrix);
-};
-
-/**
- * Get the scroll delta of a mouse event in pixel units.
- * @param {!Event} e Mouse event.
- * @return {{x: number, y: number}} Scroll delta object with .x and .y
- *    properties.
- */
-Blockly.utils.getScrollDeltaPixels = function(e) {
-  switch (e.deltaMode) {
-    case 0x00:  // Pixel mode.
-    default:
-      return {
-        x: e.deltaX,
-        y: e.deltaY
-      };
-    case 0x01:  // Line mode.
-      return {
-        x: e.deltaX * Blockly.LINE_MODE_MULTIPLIER,
-        y: e.deltaY * Blockly.LINE_MODE_MULTIPLIER
-      };
-    case 0x02:  // Page mode.
-      return {
-        x: e.deltaX * Blockly.PAGE_MODE_MULTIPLIER,
-        y: e.deltaY * Blockly.PAGE_MODE_MULTIPLIER
-      };
-  }
-};
-
-/**
- * Parse a string with any number of interpolation tokens (%1, %2, ...).
- * It will also replace string table references (e.g., %{bky_my_msg} and
- * %{BKY_MY_MSG} will both be replaced with the value in
- * Blockly.Msg['MY_MSG']). Percentage sign characters '%' may be self-escaped
- * (e.g., '%%').
- * @param {string} message Text which might contain string table references and
- *     interpolation tokens.
- * @return {!Array.<string|number>} Array of strings and numbers.
- */
-Blockly.utils.tokenizeInterpolation = function(message) {
-  return Blockly.utils.tokenizeInterpolation_(message, true);
-};
-
-/**
- * Replaces string table references in a message, if the message is a string.
- * For example, "%{bky_my_msg}" and "%{BKY_MY_MSG}" will both be replaced with
- * the value in Blockly.Msg['MY_MSG'].
- * @param {string|?} message Message, which may be a string that contains
- *     string table references.
- * @return {string} String with message references replaced.
- */
-Blockly.utils.replaceMessageReferences = function(message) {
-  if (typeof message != 'string') {
-    return message;
-  }
-  var interpolatedResult = Blockly.utils.tokenizeInterpolation_(message, false);
-  // When parseInterpolationTokens == false, interpolatedResult should be at
-  // most length 1.
-  return interpolatedResult.length ? String(interpolatedResult[0]) : '';
-};
-
-/**
- * Validates that any %{MSG_KEY} references in the message refer to keys of
- * the Blockly.Msg string table.
- * @param {string} message Text which might contain string table references.
- * @return {boolean} True if all message references have matching values.
- *     Otherwise, false.
- */
-Blockly.utils.checkMessageReferences = function(message) {
-  var validSoFar = true;
-
-  var msgTable = Blockly.Msg;
-
-  // TODO (#1169): Implement support for other string tables,
-  // prefixes other than BKY_.
-  var m = message.match(/%{BKY_[A-Z]\w*}/ig);
-  for (var i = 0; i < m.length; i++) {
-    var msgKey = m[i].toUpperCase();
-    if (msgTable[msgKey.slice(6, -1)] == undefined) {
-      console.warn('No message string for ' + m[i] + ' in ' + message);
-      validSoFar = false;  // Continue to report other errors.
-    }
-  }
-
-  return validSoFar;
-};
-
-/**
- * Internal implementation of the message reference and interpolation token
- * parsing used by tokenizeInterpolation() and replaceMessageReferences().
- * @param {string} message Text which might contain string table references and
- *     interpolation tokens.
- * @param {boolean} parseInterpolationTokens Option to parse numeric
- *     interpolation tokens (%1, %2, ...) when true.
- * @return {!Array.<string|number>} Array of strings and numbers.
- * @private
- */
-Blockly.utils.tokenizeInterpolation_ = function(message,
-    parseInterpolationTokens) {
-  var tokens = [];
-  var chars = message.split('');
-  chars.push('');  // End marker.
-  // Parse the message with a finite state machine.
-  // 0 - Base case.
-  // 1 - % found.
-  // 2 - Digit found.
-  // 3 - Message ref found.
-  var state = 0;
-  var buffer = [];
-  var number = null;
-  for (var i = 0; i < chars.length; i++) {
-    var c = chars[i];
-    if (state == 0) {
-      if (c == '%') {
-        var text = buffer.join('');
-        if (text) {
-          tokens.push(text);
-        }
-        buffer.length = 0;
-        state = 1;  // Start escape.
-      } else {
-        buffer.push(c);  // Regular char.
-      }
-    } else if (state == 1) {
-      if (c == '%') {
-        buffer.push(c);  // Escaped %: %%
-        state = 0;
-      } else if (parseInterpolationTokens && '0' <= c && c <= '9') {
-        state = 2;
-        number = c;
-        var text = buffer.join('');
-        if (text) {
-          tokens.push(text);
-        }
-        buffer.length = 0;
-      } else if (c == '{') {
-        state = 3;
-      } else {
-        buffer.push('%', c);  // Not recognized. Return as literal.
-        state = 0;
-      }
-    } else if (state == 2) {
-      if ('0' <= c && c <= '9') {
-        number += c;  // Multi-digit number.
-      } else {
-        tokens.push(parseInt(number, 10));
-        i--;  // Parse this char again.
-        state = 0;
-      }
-    } else if (state == 3) {  // String table reference
-      if (c == '') {
-        // Premature end before closing '}'
-        buffer.splice(0, 0, '%{');  // Re-insert leading delimiter
-        i--;  // Parse this char again.
-        state = 0;  // and parse as string literal.
-      } else if (c != '}') {
-        buffer.push(c);
-      } else {
-        var rawKey = buffer.join('');
-        if (/[A-Z]\w*/i.test(rawKey)) {  // Strict matching
-          // Found a valid string key. Attempt case insensitive match.
-          var keyUpper = rawKey.toUpperCase();
-
-          // BKY_ is the prefix used to namespace the strings used in Blockly
-          // core files and the predefined blocks in ../blocks/.
-          // These strings are defined in ../msgs/ files.
-          var bklyKey = Blockly.utils.string.startsWith(keyUpper, 'BKY_') ?
-              keyUpper.substring(4) : null;
-          if (bklyKey && bklyKey in Blockly.Msg) {
-            var rawValue = Blockly.Msg[bklyKey];
-            if (typeof rawValue == 'string') {
-              // Attempt to dereference substrings, too, appending to the end.
-              Array.prototype.push.apply(tokens,
-                  Blockly.utils.tokenizeInterpolation_(
-                      rawValue, parseInterpolationTokens));
-            } else if (parseInterpolationTokens) {
-              // When parsing interpolation tokens, numbers are special
-              // placeholders (%1, %2, etc). Make sure all other values are
-              // strings.
-              tokens.push(String(rawValue));
-            } else {
-              tokens.push(rawValue);
-            }
-          } else {
-            // No entry found in the string table. Pass reference as string.
-            tokens.push('%{' + rawKey + '}');
-          }
-          buffer.length = 0;  // Clear the array
-          state = 0;
-        } else {
-          tokens.push('%{' + rawKey + '}');
-          buffer.length = 0;
-          state = 0;  // and parse as string literal.
-        }
-      }
-    }
-  }
-  var text = buffer.join('');
-  if (text) {
-    tokens.push(text);
-  }
-
-  // Merge adjacent text tokens into a single string.
-  var mergedTokens = [];
-  buffer.length = 0;
-  for (var i = 0; i < tokens.length; ++i) {
-    if (typeof tokens[i] == 'string') {
-      buffer.push(tokens[i]);
-    } else {
-      text = buffer.join('');
-      if (text) {
-        mergedTokens.push(text);
-      }
-      buffer.length = 0;
-      mergedTokens.push(tokens[i]);
-    }
-  }
-  text = buffer.join('');
-  if (text) {
-    mergedTokens.push(text);
-  }
-  buffer.length = 0;
-
-  return mergedTokens;
-};
-
-/**
- * Generate a unique ID.  This should be globally unique.
- * 87 characters ^ 20 length > 128 bits (better than a UUID).
- * @return {string} A globally unique ID string.
- */
-Blockly.utils.genUid = function() {
-  var length = 20;
-  var soupLength = Blockly.utils.genUid.soup_.length;
-  var id = [];
-  for (var i = 0; i < length; i++) {
-    id[i] = Blockly.utils.genUid.soup_.charAt(Math.random() * soupLength);
-  }
-  return id.join('');
-};
-
-/**
- * Legal characters for the unique ID.  Should be all on a US keyboard.
- * No characters that conflict with XML or JSON.  Requests to remove additional
- * 'problematic' characters from this soup will be denied.  That's your failure
- * to properly escape in your own environment.  Issues #251, #625, #682, #1304.
- * @private
- */
-Blockly.utils.genUid.soup_ = '!#$%()*+,-./:;=?@[]^_`{|}~' +
-    'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
-
-/**
- * Check if 3D transforms are supported by adding an element
- * and attempting to set the property.
- * @return {boolean} True if 3D transforms are supported.
- */
-Blockly.utils.is3dSupported = function() {
-  if (Blockly.utils.is3dSupported.cached_ !== undefined) {
-    return Blockly.utils.is3dSupported.cached_;
-  }
-  // CC-BY-SA Lorenzo Polidori
-  // stackoverflow.com/questions/5661671/detecting-transform-translate3d-support
-  if (!Blockly.utils.global.getComputedStyle) {
-    return false;
-  }
-
-  var el = document.createElement('p');
-  var has3d = 'none';
-  var transforms = {
-    'webkitTransform': '-webkit-transform',
-    'OTransform': '-o-transform',
-    'msTransform': '-ms-transform',
-    'MozTransform': '-moz-transform',
-    'transform': 'transform'
-  };
-
-  // Add it to the body to get the computed style.
-  document.body.insertBefore(el, null);
-
-  for (var t in transforms) {
-    if (el.style[t] !== undefined) {
-      el.style[t] = 'translate3d(1px,1px,1px)';
-      var computedStyle = Blockly.utils.global.getComputedStyle(el);
-      if (!computedStyle) {
-        // getComputedStyle in Firefox returns null when Blockly is loaded
-        // inside an iframe with display: none.  Returning false and not
-        // caching is3dSupported means we try again later.  This is most likely
-        // when users are interacting with blocks which should mean Blockly is
-        // visible again.
-        // See https://bugzilla.mozilla.org/show_bug.cgi?id=548397
-        document.body.removeChild(el);
-        return false;
-      }
-      has3d = computedStyle.getPropertyValue(transforms[t]);
-    }
-  }
-  document.body.removeChild(el);
-  Blockly.utils.is3dSupported.cached_ = has3d !== 'none';
-  return Blockly.utils.is3dSupported.cached_;
-};
-
-/**
- * Calls a function after the page has loaded, possibly immediately.
- * @param {function()} fn Function to run.
- * @throws Error Will throw if no global document can be found (e.g., Node.js).
- */
-Blockly.utils.runAfterPageLoad = function(fn) {
-  if (typeof document != 'object') {
-    throw Error('Blockly.utils.runAfterPageLoad() requires browser document.');
-  }
-  if (document.readyState == 'complete') {
-    fn();  // Page has already loaded. Call immediately.
-  } else {
-    // Poll readyState.
-    var readyStateCheckInterval = setInterval(function() {
-      if (document.readyState == 'complete') {
-        clearInterval(readyStateCheckInterval);
-        fn();
-      }
-    }, 10);
-  }
-};
-
-/**
- * Get the position of the current viewport in window coordinates.  This takes
- * scroll into account.
- * @return {!Blockly.utils.Rect} An object containing window width, height, and
- *     scroll position in window coordinates.
- * @package
- */
-Blockly.utils.getViewportBBox = function() {
-  // Pixels, in window coordinates.
-  var scrollOffset = Blockly.utils.style.getViewportPageOffset();
-  return new Blockly.utils.Rect(
-      scrollOffset.y,
-      document.documentElement.clientHeight + scrollOffset.y,
-      scrollOffset.x,
-      document.documentElement.clientWidth + scrollOffset.x
-  );
-};
-
-/**
- * Removes the first occurrence of a particular value from an array.
- * @param {!Array} arr Array from which to remove
- *     value.
- * @param {*} obj Object to remove.
- * @return {boolean} True if an element was removed.
- * @package
- */
-Blockly.utils.arrayRemove = function(arr, obj) {
-  var i = arr.indexOf(obj);
-  if (i == -1) {
-    return false;
-  }
-  arr.splice(i, 1);
-  return true;
-};
-
-/**
- * Gets the document scroll distance as a coordinate object.
- * Copied from Closure's goog.dom.getDocumentScroll.
- * @return {!Blockly.utils.Coordinate} Object with values 'x' and 'y'.
- */
-Blockly.utils.getDocumentScroll = function() {
-  var el = document.documentElement;
-  var win = window;
-  if (Blockly.utils.userAgent.IE && win.pageYOffset != el.scrollTop) {
-    // The keyboard on IE10 touch devices shifts the page using the pageYOffset
-    // without modifying scrollTop. For this case, we want the body scroll
-    // offsets.
-    return new Blockly.utils.Coordinate(el.scrollLeft, el.scrollTop);
-  }
-  return new Blockly.utils.Coordinate(
-      win.pageXOffset || el.scrollLeft, win.pageYOffset || el.scrollTop);
-};
-
-/**
- * Get a map of all the block's descendants mapping their type to the number of
- *    children with that type.
- * @param {!Blockly.Block} block The block to map.
- * @param {boolean=} opt_stripFollowing Optionally ignore all following
- *    statements (blocks that are not inside a value or statement input
- *    of the block).
- * @return {!Object} Map of types to type counts for descendants of the bock.
- */
-Blockly.utils.getBlockTypeCounts = function(block, opt_stripFollowing) {
-  var typeCountsMap = Object.create(null);
-  var descendants = block.getDescendants(true);
-  if (opt_stripFollowing) {
-    var nextBlock = block.getNextBlock();
-    if (nextBlock) {
-      var index = descendants.indexOf(nextBlock);
-      descendants.splice(index, descendants.length - index);
-    }
-  }
-  for (var i = 0, checkBlock; (checkBlock = descendants[i]); i++) {
-    if (typeCountsMap[checkBlock.type]) {
-      typeCountsMap[checkBlock.type]++;
-    } else {
-      typeCountsMap[checkBlock.type] = 1;
-    }
-  }
-  return typeCountsMap;
-};
-
-/**
- * Converts screen coordinates to workspace coordinates.
- * @param {Blockly.WorkspaceSvg} ws The workspace to find the coordinates on.
- * @param {Blockly.utils.Coordinate} screenCoordinates The screen coordinates to
- * be converted to workspace coordinates
- * @return {Blockly.utils.Coordinate} The workspace coordinates.
- * @package
- */
-Blockly.utils.screenToWsCoordinates = function(ws, screenCoordinates) {
-  var screenX = screenCoordinates.x;
-  var screenY = screenCoordinates.y;
-
-  var injectionDiv = ws.getInjectionDiv();
-  // Bounding rect coordinates are in client coordinates, meaning that they
-  // are in pixels relative to the upper left corner of the visible browser
-  // window.  These coordinates change when you scroll the browser window.
-  var boundingRect = injectionDiv.getBoundingClientRect();
-
-  // The client coordinates offset by the injection div's upper left corner.
-  var clientOffsetPixels = new Blockly.utils.Coordinate(
-      screenX - boundingRect.left, screenY - boundingRect.top);
-
-  // The offset in pixels between the main workspace's origin and the upper
-  // left corner of the injection div.
-  var mainOffsetPixels = ws.getOriginOffsetInPixels();
-
-  // The position of the new comment in pixels relative to the origin of the
-  // main workspace.
-  var finalOffsetPixels = Blockly.utils.Coordinate.difference(
-      clientOffsetPixels, mainOffsetPixels);
-
-  // The position in main workspace coordinates.
-  var finalOffsetMainWs = finalOffsetPixels.scale(1 / ws.scale);
-  return finalOffsetMainWs;
-};
-
-/**
- * Parse a block colour from a number or string, as provided in a block
- * definition.
- * @param {number|string} colour HSV hue value (0 to 360), #RRGGBB string,
- *     or a message reference string pointing to one of those two values.
- * @return {{hue: ?number, hex: string}} An object containing the colour as
- *     a #RRGGBB string, and the hue if the input was an HSV hue value.
- * @throws {Error} If the colour cannot be parsed.
- */
-Blockly.utils.parseBlockColour = function(colour) {
-  var dereferenced = (typeof colour == 'string') ?
-      Blockly.utils.replaceMessageReferences(colour) : colour;
-
-  var hue = Number(dereferenced);
-  if (!isNaN(hue) && 0 <= hue && hue <= 360) {
-    return {
-      hue: hue,
-      hex: Blockly.utils.colour.hsvToHex(hue, Blockly.HSV_SATURATION,
-          Blockly.HSV_VALUE * 255)
-    };
-  } else {
-    var hex = Blockly.utils.colour.parse(dereferenced);
-    if (hex) {
-      // Only store hue if colour is set as a hue.
-      return {
-        hue: null,
-        hex: hex
-      };
-    } else {
-      var errorMsg = 'Invalid colour: "' + dereferenced + '"';
-      if (colour != dereferenced) {
-        errorMsg += ' (from "' + colour + '")';
-      }
-      throw Error(errorMsg);
-    }
-  }
-};
diff --git a/core/utils.ts b/core/utils.ts
new file mode 100644
index 00000000000..9dd1c2a0913
--- /dev/null
+++ b/core/utils.ts
@@ -0,0 +1,59 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils
+
+import * as browserEvents from './browser_events.js';
+import * as extensions from './extensions.js';
+import * as aria from './utils/aria.js';
+import * as arrayUtils from './utils/array.js';
+import * as colour from './utils/colour.js';
+import {Coordinate} from './utils/coordinate.js';
+import * as deprecation from './utils/deprecation.js';
+import * as dom from './utils/dom.js';
+import * as idGenerator from './utils/idgenerator.js';
+import {KeyCodes} from './utils/keycodes.js';
+import * as math from './utils/math.js';
+import type {Metrics} from './utils/metrics.js';
+import * as object from './utils/object.js';
+import * as parsing from './utils/parsing.js';
+import {Rect} from './utils/rect.js';
+import {Size} from './utils/size.js';
+import * as stringUtils from './utils/string.js';
+import * as style from './utils/style.js';
+import {Svg} from './utils/svg.js';
+import * as svgMath from './utils/svg_math.js';
+import * as svgPaths from './utils/svg_paths.js';
+import * as toolbox from './utils/toolbox.js';
+import * as userAgent from './utils/useragent.js';
+import * as xml from './utils/xml.js';
+
+export {
+  aria,
+  arrayUtils as array,
+  browserEvents,
+  colour,
+  Coordinate,
+  deprecation,
+  dom,
+  extensions,
+  idGenerator,
+  KeyCodes,
+  math,
+  Metrics,
+  object,
+  parsing,
+  Rect,
+  Size,
+  stringUtils as string,
+  style,
+  Svg,
+  svgMath,
+  svgPaths,
+  toolbox,
+  userAgent,
+  xml,
+};
diff --git a/core/utils/aria.js b/core/utils/aria.js
deleted file mode 100644
index f455b9928c9..00000000000
--- a/core/utils/aria.js
+++ /dev/null
@@ -1,167 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Constant declarations for common key codes.
- * These methods are not specific to Blockly, and could be factored out into
- * a JavaScript framework such as Closure.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.utils.aria');
-
-
-/**
- * ARIA states/properties prefix.
- * @private
- */
-Blockly.utils.aria.ARIA_PREFIX_ = 'aria-';
-
-/**
- * ARIA role attribute.
- * @private
- */
-Blockly.utils.aria.ROLE_ATTRIBUTE_ = 'role';
-
-/**
- * ARIA role values.
- * Copied from Closure's goog.a11y.aria.Role
- * @enum {string}
- */
-Blockly.utils.aria.Role = {
-  // ARIA role for an interactive control of tabular data.
-  GRID: 'grid',
-
-  // ARIA role for a cell in a grid.
-  GRIDCELL: 'gridcell',
-
-  // ARIA role for a group of related elements like tree item siblings.
-  GROUP: 'group',
-
-  // ARIA role for a listbox.
-  LISTBOX: 'listbox',
-
-  // ARIA role for a popup menu.
-  MENU: 'menu',
-
-  // ARIA role for menu item elements.
-  MENUITEM: 'menuitem',
-
-  // ARIA role for a checkbox box element inside a menu.
-  MENUITEMCHECKBOX: 'menuitemcheckbox',
-
-  // ARIA role for option items that are  children of combobox, listbox, menu,
-  // radiogroup, or tree elements.
-  OPTION: 'option',
-
-  // ARIA role for ignorable cosmetic elements with no semantic significance.
-  PRESENTATION: 'presentation',
-
-  // ARIA role for a row of cells in a grid.
-  ROW: 'row',
-
-  // ARIA role for a tree.
-  TREE: 'tree',
-
-  // ARIA role for a tree item that sometimes may be expanded or collapsed.
-  TREEITEM: 'treeitem'
-};
-
-/**
- * ARIA states and properties.
- * Copied from Closure's goog.a11y.aria.State
- * @enum {string}
- */
-Blockly.utils.aria.State = {
-  // ARIA property for setting the currently active descendant of an element,
-  // for example the selected item in a list box. Value: ID of an element.
-  ACTIVEDESCENDANT: 'activedescendant',
-
-  // ARIA property defines the total number of columns in a table, grid, or
-  // treegrid.
-  // Value: integer.
-  COLCOUNT: 'colcount',
-
-  // ARIA state for a disabled item. Value: one of {true, false}.
-  DISABLED: 'disabled',
-
-  // ARIA state for setting whether the element like a tree node is expanded.
-  // Value: one of {true, false, undefined}.
-  EXPANDED: 'expanded',
-
-  // ARIA state indicating that the entered value does not conform. Value:
-  // one of {false, true, 'grammar', 'spelling'}
-  INVALID: 'invalid',
-
-  // ARIA property that provides a label to override any other text, value, or
-  // contents used to describe this element. Value: string.
-  LABEL: 'label',
-
-  // ARIA property for setting the element which labels another element.
-  // Value: space-separated IDs of elements.
-  LABELLEDBY: 'labelledby',
-
-  // ARIA property for setting the level of an element in the hierarchy.
-  // Value: integer.
-  LEVEL: 'level',
-
-  // ARIA property indicating if the element is horizontal or vertical.
-  // Value: one of {'vertical', 'horizontal'}.
-  ORIENTATION: 'orientation',
-
-  // ARIA property that defines an element's number of position in a list.
-  // Value: integer.
-  POSINSET: 'posinset',
-
-  // ARIA property defines the total number of rows in a table, grid, or
-  // treegrid.
-  // Value: integer.
-  ROWCOUNT: 'rowcount',
-
-  // ARIA state for setting the currently selected item in the list.
-  // Value: one of {true, false, undefined}.
-  SELECTED: 'selected',
-
-  // ARIA property defining the number of items in a list. Value: integer.
-  SETSIZE: 'setsize',
-
-  // ARIA property for slider maximum value. Value: number.
-  VALUEMAX: 'valuemax',
-
-  // ARIA property for slider minimum value. Value: number.
-  VALUEMIN: 'valuemin'
-};
-
-/**
- * Sets the role of an element.
- *
- * Similar to Closure's goog.a11y.aria
- *
- * @param {!Element} element DOM node to set role of.
- * @param {!Blockly.utils.aria.Role} roleName Role name.
- */
-Blockly.utils.aria.setRole = function(element, roleName) {
-  element.setAttribute(Blockly.utils.aria.ROLE_ATTRIBUTE_, roleName);
-};
-
-/**
- * Sets the state or property of an element.
- * Copied from Closure's goog.a11y.aria
- * @param {!Element} element DOM node where we set state.
- * @param {!Blockly.utils.aria.State} stateName State attribute being set.
- *     Automatically adds prefix 'aria-' to the state name if the attribute is
- *     not an extra attribute.
- * @param {string|boolean|number|!Array.<string>} value Value
- * for the state attribute.
- */
-Blockly.utils.aria.setState = function(element, stateName, value) {
-  if (Array.isArray(value)) {
-    value = value.join(' ');
-  }
-  var attrStateName = Blockly.utils.aria.ARIA_PREFIX_ + stateName;
-  element.setAttribute(attrStateName, value);
-};
diff --git a/core/utils/aria.ts b/core/utils/aria.ts
new file mode 100644
index 00000000000..567ea95ef73
--- /dev/null
+++ b/core/utils/aria.ts
@@ -0,0 +1,144 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.aria
+
+/** ARIA states/properties prefix. */
+const ARIA_PREFIX = 'aria-';
+
+/** ARIA role attribute. */
+const ROLE_ATTRIBUTE = 'role';
+
+/**
+ * ARIA role values.
+ * Copied from Closure's goog.a11y.aria.Role
+ */
+export enum Role {
+  // ARIA role for an interactive control of tabular data.
+  GRID = 'grid',
+
+  // ARIA role for a cell in a grid.
+  GRIDCELL = 'gridcell',
+  // ARIA role for a group of related elements like tree item siblings.
+  GROUP = 'group',
+
+  // ARIA role for a listbox.
+  LISTBOX = 'listbox',
+
+  // ARIA role for a popup menu.
+  MENU = 'menu',
+
+  // ARIA role for menu item elements.
+  MENUITEM = 'menuitem',
+  // ARIA role for a checkbox box element inside a menu.
+  MENUITEMCHECKBOX = 'menuitemcheckbox',
+  // ARIA role for option items that are  children of combobox, listbox, menu,
+  // radiogroup, or tree elements.
+  OPTION = 'option',
+  // ARIA role for ignorable cosmetic elements with no semantic significance.
+  PRESENTATION = 'presentation',
+
+  // ARIA role for a row of cells in a grid.
+  ROW = 'row',
+  // ARIA role for a tree.
+  TREE = 'tree',
+
+  // ARIA role for a tree item that sometimes may be expanded or collapsed.
+  TREEITEM = 'treeitem',
+}
+
+/**
+ * ARIA states and properties.
+ * Copied from Closure's goog.a11y.aria.State
+ */
+export enum State {
+  // ARIA property for setting the currently active descendant of an element,
+  // for example the selected item in a list box. Value: ID of an element.
+  ACTIVEDESCENDANT = 'activedescendant',
+  // ARIA property defines the total number of columns in a table, grid, or
+  // treegrid.
+  // Value: integer.
+  COLCOUNT = 'colcount',
+  // ARIA state for a disabled item. Value: one of {true, false}.
+  DISABLED = 'disabled',
+
+  // ARIA state for setting whether the element like a tree node is expanded.
+  // Value: one of {true, false, undefined}.
+  EXPANDED = 'expanded',
+
+  // ARIA state indicating that the entered value does not conform. Value:
+  // one of {false, true, 'grammar', 'spelling'}
+  INVALID = 'invalid',
+
+  // ARIA property that provides a label to override any other text, value, or
+  // contents used to describe this element. Value: string.
+  LABEL = 'label',
+  // ARIA property for setting the element which labels another element.
+  // Value: space-separated IDs of elements.
+  LABELLEDBY = 'labelledby',
+
+  // ARIA property for setting the level of an element in the hierarchy.
+  // Value: integer.
+  LEVEL = 'level',
+  // ARIA property indicating if the element is horizontal or vertical.
+  // Value: one of {'vertical', 'horizontal'}.
+  ORIENTATION = 'orientation',
+
+  // ARIA property that defines an element's number of position in a list.
+  // Value: integer.
+  POSINSET = 'posinset',
+
+  // ARIA property defines the total number of rows in a table, grid, or
+  // treegrid.
+  // Value: integer.
+  ROWCOUNT = 'rowcount',
+
+  // ARIA state for setting the currently selected item in the list.
+  // Value: one of {true, false, undefined}.
+  SELECTED = 'selected',
+  // ARIA property defining the number of items in a list. Value: integer.
+  SETSIZE = 'setsize',
+
+  // ARIA property for slider maximum value. Value: number.
+  VALUEMAX = 'valuemax',
+
+  // ARIA property for slider minimum value. Value: number.
+  VALUEMIN = 'valuemin',
+}
+
+/**
+ * Sets the role of an element.
+ *
+ * Similar to Closure's goog.a11y.aria
+ *
+ * @param element DOM node to set role of.
+ * @param roleName Role name.
+ */
+export function setRole(element: Element, roleName: Role) {
+  element.setAttribute(ROLE_ATTRIBUTE, roleName);
+}
+
+/**
+ * Sets the state or property of an element.
+ * Copied from Closure's goog.a11y.aria
+ *
+ * @param element DOM node where we set state.
+ * @param stateName State attribute being set.
+ *     Automatically adds prefix 'aria-' to the state name if the attribute is
+ * not an extra attribute.
+ * @param value Value for the state attribute.
+ */
+export function setState(
+  element: Element,
+  stateName: State,
+  value: string | boolean | number | string[],
+) {
+  if (Array.isArray(value)) {
+    value = value.join(' ');
+  }
+  const attrStateName = ARIA_PREFIX + stateName;
+  element.setAttribute(attrStateName, `${value}`);
+}
diff --git a/core/utils/array.ts b/core/utils/array.ts
new file mode 100644
index 00000000000..fdd6ec9a5bb
--- /dev/null
+++ b/core/utils/array.ts
@@ -0,0 +1,24 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.array
+
+/**
+ * Removes the first occurrence of a particular value from an array.
+ *
+ * @param arr Array from which to remove value.
+ * @param value Value to remove.
+ * @returns True if an element was removed.
+ * @internal
+ */
+export function removeElem<T>(arr: Array<T>, value: T): boolean {
+  const i = arr.indexOf(value);
+  if (i === -1) {
+    return false;
+  }
+  arr.splice(i, 1);
+  return true;
+}
diff --git a/core/utils/colour.js b/core/utils/colour.js
deleted file mode 100644
index ded55d5e9c2..00000000000
--- a/core/utils/colour.js
+++ /dev/null
@@ -1,208 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utility methods for colour manipulation.
- * These methods are not specific to Blockly, and could be factored out into
- * a JavaScript framework such as Closure.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.utils.colour
- * @namespace
- */
-goog.provide('Blockly.utils.colour');
-
-
-/**
- * Parses a colour from a string.
- * .parse('red') -> '#ff0000'
- * .parse('#f00') -> '#ff0000'
- * .parse('#ff0000') -> '#ff0000'
- * .parse('0xff0000') -> '#ff0000'
- * .parse('rgb(255, 0, 0)') -> '#ff0000'
- * @param {string|number} str Colour in some CSS format.
- * @return {?string} A string containing a hex representation of the colour,
- *   or null if can't be parsed.
- */
-Blockly.utils.colour.parse = function(str) {
-  str = String(str).toLowerCase().trim();
-  var hex = Blockly.utils.colour.names[str];
-  if (hex) {
-    // e.g. 'red'
-    return hex;
-  }
-  hex = str.substring(0, 2) == '0x' ? '#' + str.substring(2) : str;
-  hex = hex[0] == '#' ? hex : '#' + hex;
-  if (/^#[0-9a-f]{6}$/.test(hex)) {
-    // e.g. '#00ff88'
-    return hex;
-  }
-  if (/^#[0-9a-f]{3}$/.test(hex)) {
-    // e.g. '#0f8'
-    return ['#', hex[1], hex[1], hex[2], hex[2], hex[3], hex[3]].join('');
-  }
-  var rgb = str.match(/^(?:rgb)?\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/);
-  if (rgb) {
-    // e.g. 'rgb(0, 128, 255)'
-    var r = Number(rgb[1]);
-    var g = Number(rgb[2]);
-    var b = Number(rgb[3]);
-    if (r >= 0 && r < 256 && g >= 0 && g < 256 && b >= 0 && b < 256) {
-      return Blockly.utils.colour.rgbToHex(r, g, b);
-    }
-  }
-  return null;
-};
-
-/**
- * Converts a colour from RGB to hex representation.
- * @param {number} r Amount of red, int between 0 and 255.
- * @param {number} g Amount of green, int between 0 and 255.
- * @param {number} b Amount of blue, int between 0 and 255.
- * @return {string} Hex representation of the colour.
- */
-Blockly.utils.colour.rgbToHex = function(r, g, b) {
-  var rgb = (r << 16) | (g << 8) | b;
-  if (r < 0x10) {
-    return '#' + (0x1000000 | rgb).toString(16).substr(1);
-  }
-  return '#' + rgb.toString(16);
-};
-
-/**
- * Converts a colour to RGB.
- * @param {string} colour String representing colour in any
- *     colour format ('#ff0000', 'red', '0xff000', etc).
- * @return {!Array.<number>} RGB representation of the colour.
- */
-Blockly.utils.colour.hexToRgb = function(colour) {
-  var hex = Blockly.utils.colour.parse(colour);
-  if (!hex) {
-    return [0, 0, 0];
-  }
-
-  var rgb = parseInt(hex.substr(1), 16);
-  var r = rgb >> 16;
-  var g = (rgb >> 8) & 255;
-  var b = rgb & 255;
-
-  return [r, g, b];
-};
-
-/**
- * Converts an HSV triplet to hex representation.
- * @param {number} h Hue value in [0, 360].
- * @param {number} s Saturation value in [0, 1].
- * @param {number} v Brightness in [0, 255].
- * @return {string} Hex representation of the colour.
- */
-Blockly.utils.colour.hsvToHex = function(h, s, v) {
-  var red = 0;
-  var green = 0;
-  var blue = 0;
-  if (s == 0) {
-    red = v;
-    green = v;
-    blue = v;
-  } else {
-    var sextant = Math.floor(h / 60);
-    var remainder = (h / 60) - sextant;
-    var val1 = v * (1 - s);
-    var val2 = v * (1 - (s * remainder));
-    var val3 = v * (1 - (s * (1 - remainder)));
-    switch (sextant) {
-      case 1:
-        red = val2;
-        green = v;
-        blue = val1;
-        break;
-      case 2:
-        red = val1;
-        green = v;
-        blue = val3;
-        break;
-      case 3:
-        red = val1;
-        green = val2;
-        blue = v;
-        break;
-      case 4:
-        red = val3;
-        green = val1;
-        blue = v;
-        break;
-      case 5:
-        red = v;
-        green = val1;
-        blue = val2;
-        break;
-      case 6:
-      case 0:
-        red = v;
-        green = val3;
-        blue = val1;
-        break;
-    }
-  }
-  return Blockly.utils.colour.rgbToHex(
-      Math.floor(red), Math.floor(green), Math.floor(blue));
-};
-
-/**
- * Blend two colours together, using the specified factor to indicate the
- * weight given to the first colour.
- * @param {string} colour1 First colour.
- * @param {string} colour2 Second colour.
- * @param {number} factor The weight to be given to colour1 over colour2.
- *     Values should be in the range [0, 1].
- * @return {?string} Combined colour represented in hex.
- */
-Blockly.utils.colour.blend = function(colour1, colour2, factor) {
-  var hex1 = Blockly.utils.colour.parse(colour1);
-  if (!hex1) {
-    return null;
-  }
-  var hex2 = Blockly.utils.colour.parse(colour2);
-  if (!hex2) {
-    return null;
-  }
-  var rgb1 = Blockly.utils.colour.hexToRgb(hex1);
-  var rgb2 = Blockly.utils.colour.hexToRgb(hex2);
-  var r = Math.round(rgb2[0] + factor * (rgb1[0] - rgb2[0]));
-  var g = Math.round(rgb2[1] + factor * (rgb1[1] - rgb2[1]));
-  var b = Math.round(rgb2[2] + factor * (rgb1[2] - rgb2[2]));
-  return Blockly.utils.colour.rgbToHex(r, g, b);
-};
-
-/**
- * A map that contains the 16 basic colour keywords as defined by W3C:
- * https://www.w3.org/TR/2018/REC-css-color-3-20180619/#html4
- * The keys of this map are the lowercase "readable" names of the colours,
- * while the values are the "hex" values.
- *
- * @type {!Object<string, string>}
- */
-Blockly.utils.colour.names = {
-  'aqua': '#00ffff',
-  'black': '#000000',
-  'blue': '#0000ff',
-  'fuchsia': '#ff00ff',
-  'gray': '#808080',
-  'green': '#008000',
-  'lime': '#00ff00',
-  'maroon': '#800000',
-  'navy': '#000080',
-  'olive': '#808000',
-  'purple': '#800080',
-  'red': '#ff0000',
-  'silver': '#c0c0c0',
-  'teal': '#008080',
-  'white': '#ffffff',
-  'yellow': '#ffff00'
-};
diff --git a/core/utils/colour.ts b/core/utils/colour.ts
new file mode 100644
index 00000000000..a36191e9001
--- /dev/null
+++ b/core/utils/colour.ts
@@ -0,0 +1,265 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.colour
+
+/**
+ * The richness of block colours, regardless of the hue.
+ * Must be in the range of 0 (inclusive) to 1 (exclusive).
+ */
+let hsvSaturation = 0.45;
+
+/**
+ * Get the richness of block colours, regardless of the hue.
+ *
+ * @returns The current richness.
+ * @internal
+ */
+export function getHsvSaturation(): number {
+  return hsvSaturation;
+}
+
+/**
+ * Set the richness of block colours, regardless of the hue.
+ *
+ * @param newSaturation The new richness, in the range of  0 (inclusive) to 1
+ *     (exclusive)
+ * @internal
+ */
+export function setHsvSaturation(newSaturation: number) {
+  hsvSaturation = newSaturation;
+}
+
+/**
+ * The intensity of block colours, regardless of the hue.
+ * Must be in the range of 0 (inclusive) to 1 (exclusive).
+ */
+let hsvValue = 0.65;
+
+/**
+ * Get the intensity of block colours, regardless of the hue.
+ *
+ * @returns The current intensity.
+ * @internal
+ */
+export function getHsvValue(): number {
+  return hsvValue;
+}
+
+/**
+ * Set the intensity of block colours, regardless of the hue.
+ *
+ * @param newValue The new intensity, in the range of  0 (inclusive) to 1
+ *     (exclusive)
+ * @internal
+ */
+export function setHsvValue(newValue: number) {
+  hsvValue = newValue;
+}
+
+/**
+ * Parses a colour from a string.
+ * .parse('red') = '#ff0000'
+ * .parse('#f00') = '#ff0000'
+ * .parse('#ff0000') = '#ff0000'
+ * .parse('0xff0000') = '#ff0000'
+ * .parse('rgb(255, 0, 0)') = '#ff0000'
+ *
+ * @param str Colour in some CSS format.
+ * @returns A string containing a hex representation of the colour, or null if
+ *     can't be parsed.
+ */
+export function parse(str: string | number): string | null {
+  str = `${str}`.toLowerCase().trim();
+  let hex = names[str];
+  if (hex) {
+    // e.g. 'red'
+    return hex;
+  }
+  hex = str.substring(0, 2) === '0x' ? '#' + str.substring(2) : str;
+  hex = hex[0] === '#' ? hex : '#' + hex;
+  if (/^#[0-9a-f]{6}$/.test(hex)) {
+    // e.g. '#00ff88'
+    return hex;
+  }
+  if (/^#[0-9a-f]{3}$/.test(hex)) {
+    // e.g. '#0f8'
+    return ['#', hex[1], hex[1], hex[2], hex[2], hex[3], hex[3]].join('');
+  }
+  const rgb = str.match(/^(?:rgb)?\s*\(\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*\)$/);
+  if (rgb) {
+    // e.g. 'rgb(0, 128, 255)'
+    const r = Number(rgb[1]);
+    const g = Number(rgb[2]);
+    const b = Number(rgb[3]);
+    if (r >= 0 && r < 256 && g >= 0 && g < 256 && b >= 0 && b < 256) {
+      return rgbToHex(r, g, b);
+    }
+  }
+  return null;
+}
+
+/**
+ * Converts a colour from RGB to hex representation.
+ *
+ * @param r Amount of red, int between 0 and 255.
+ * @param g Amount of green, int between 0 and 255.
+ * @param b Amount of blue, int between 0 and 255.
+ * @returns Hex representation of the colour.
+ */
+export function rgbToHex(r: number, g: number, b: number): string {
+  const rgb = (r << 16) | (g << 8) | b;
+  if (r < 0x10) {
+    return '#' + (0x1000000 | rgb).toString(16).substr(1);
+  }
+  return '#' + rgb.toString(16);
+}
+
+/**
+ * Converts a colour to RGB.
+ *
+ * @param colour String representing colour in any colour format ('#ff0000',
+ *     'red', '0xff000', etc).
+ * @returns RGB representation of the colour.
+ */
+export function hexToRgb(colour: string): number[] {
+  const hex = parse(colour);
+  if (!hex) {
+    return [0, 0, 0];
+  }
+
+  const rgb = parseInt(hex.substr(1), 16);
+  const r = rgb >> 16;
+  const g = (rgb >> 8) & 255;
+  const b = rgb & 255;
+
+  return [r, g, b];
+}
+
+/**
+ * Converts an HSV triplet to hex representation.
+ *
+ * @param h Hue value in [0, 360].
+ * @param s Saturation value in [0, 1].
+ * @param v Brightness in [0, 255].
+ * @returns Hex representation of the colour.
+ */
+export function hsvToHex(h: number, s: number, v: number): string {
+  let red = 0;
+  let green = 0;
+  let blue = 0;
+  if (s === 0) {
+    red = v;
+    green = v;
+    blue = v;
+  } else {
+    const sextant = Math.floor(h / 60);
+    const remainder = h / 60 - sextant;
+    const val1 = v * (1 - s);
+    const val2 = v * (1 - s * remainder);
+    const val3 = v * (1 - s * (1 - remainder));
+    switch (sextant) {
+      case 1:
+        red = val2;
+        green = v;
+        blue = val1;
+        break;
+      case 2:
+        red = val1;
+        green = v;
+        blue = val3;
+        break;
+      case 3:
+        red = val1;
+        green = val2;
+        blue = v;
+        break;
+      case 4:
+        red = val3;
+        green = val1;
+        blue = v;
+        break;
+      case 5:
+        red = v;
+        green = val1;
+        blue = val2;
+        break;
+      case 6:
+      case 0:
+        red = v;
+        green = val3;
+        blue = val1;
+        break;
+    }
+  }
+  return rgbToHex(Math.floor(red), Math.floor(green), Math.floor(blue));
+}
+
+/**
+ * Blend two colours together, using the specified factor to indicate the
+ * weight given to the first colour.
+ *
+ * @param colour1 First colour.
+ * @param colour2 Second colour.
+ * @param factor The weight to be given to colour1 over colour2.
+ *     Values should be in the range [0, 1].
+ * @returns Combined colour represented in hex.
+ */
+export function blend(
+  colour1: string,
+  colour2: string,
+  factor: number,
+): string | null {
+  const hex1 = parse(colour1);
+  if (!hex1) {
+    return null;
+  }
+  const hex2 = parse(colour2);
+  if (!hex2) {
+    return null;
+  }
+  const rgb1 = hexToRgb(hex1);
+  const rgb2 = hexToRgb(hex2);
+  const r = Math.round(rgb2[0] + factor * (rgb1[0] - rgb2[0]));
+  const g = Math.round(rgb2[1] + factor * (rgb1[1] - rgb2[1]));
+  const b = Math.round(rgb2[2] + factor * (rgb1[2] - rgb2[2]));
+  return rgbToHex(r, g, b);
+}
+
+/**
+ * A map that contains the 16 basic colour keywords as defined by W3C:
+ * https://www.w3.org/TR/2018/REC-css-color-3-20180619/#html4
+ * The keys of this map are the lowercase "readable" names of the colours,
+ * while the values are the "hex" values.
+ */
+export const names: {[key: string]: string} = {
+  'aqua': '#00ffff',
+  'black': '#000000',
+  'blue': '#0000ff',
+  'fuchsia': '#ff00ff',
+  'gray': '#808080',
+  'green': '#008000',
+  'lime': '#00ff00',
+  'maroon': '#800000',
+  'navy': '#000080',
+  'olive': '#808000',
+  'purple': '#800080',
+  'red': '#ff0000',
+  'silver': '#c0c0c0',
+  'teal': '#008080',
+  'white': '#ffffff',
+  'yellow': '#ffff00',
+};
+
+/**
+ * Convert a hue (HSV model) into an RGB hex triplet.
+ *
+ * @param hue Hue on a colour wheel (0-360).
+ * @returns RGB code, e.g. '#5ba65b'.
+ */
+export function hueToHex(hue: number): string {
+  return hsvToHex(hue, hsvSaturation, hsvValue * 255);
+}
diff --git a/core/utils/coordinate.js b/core/utils/coordinate.js
deleted file mode 100644
index be17d00a139..00000000000
--- a/core/utils/coordinate.js
+++ /dev/null
@@ -1,125 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utility methods for coordinate manipulation.
- * These methods are not specific to Blockly, and could be factored out into
- * a JavaScript framework such as Closure.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.utils.Coordinate
- * @namespace
- */
-goog.provide('Blockly.utils.Coordinate');
-
-
-/**
- * Class for representing coordinates and positions.
- * @param {number} x Left.
- * @param {number} y Top.
- * @struct
- * @constructor
- */
-Blockly.utils.Coordinate = function(x, y) {
-  /**
-   * X-value
-   * @type {number}
-   */
-  this.x = x;
-
-  /**
-   * Y-value
-   * @type {number}
-   */
-  this.y = y;
-};
-
-/**
- * Compares coordinates for equality.
- * @param {Blockly.utils.Coordinate} a A Coordinate.
- * @param {Blockly.utils.Coordinate} b A Coordinate.
- * @return {boolean} True iff the coordinates are equal, or if both are null.
- */
-Blockly.utils.Coordinate.equals = function(a, b) {
-  if (a == b) {
-    return true;
-  }
-  if (!a || !b) {
-    return false;
-  }
-  return a.x == b.x && a.y == b.y;
-};
-
-/**
- * Returns the distance between two coordinates.
- * @param {!Blockly.utils.Coordinate} a A Coordinate.
- * @param {!Blockly.utils.Coordinate} b A Coordinate.
- * @return {number} The distance between `a` and `b`.
- */
-Blockly.utils.Coordinate.distance = function(a, b) {
-  var dx = a.x - b.x;
-  var dy = a.y - b.y;
-  return Math.sqrt(dx * dx + dy * dy);
-};
-
-/**
- * Returns the magnitude of a coordinate.
- * @param {!Blockly.utils.Coordinate} a A Coordinate.
- * @return {number} The distance between the origin and `a`.
- */
-Blockly.utils.Coordinate.magnitude = function(a) {
-  return Math.sqrt(a.x * a.x + a.y * a.y);
-};
-
-/**
- * Returns the difference between two coordinates as a new
- * Blockly.utils.Coordinate.
- * @param {!Blockly.utils.Coordinate|!SVGPoint} a An x/y coordinate.
- * @param {!Blockly.utils.Coordinate|!SVGPoint} b An x/y coordinate.
- * @return {!Blockly.utils.Coordinate} A Coordinate representing the difference
- *     between `a` and `b`.
- */
-Blockly.utils.Coordinate.difference = function(a, b) {
-  return new Blockly.utils.Coordinate(a.x - b.x, a.y - b.y);
-};
-
-/**
- * Returns the sum of two coordinates as a new Blockly.utils.Coordinate.
- * @param {!Blockly.utils.Coordinate|!SVGPoint} a An x/y coordinate.
- * @param {!Blockly.utils.Coordinate|!SVGPoint} b An x/y coordinate.
- * @return {!Blockly.utils.Coordinate} A Coordinate representing the sum of
- *     the two coordinates.
- */
-Blockly.utils.Coordinate.sum = function(a, b) {
-  return new Blockly.utils.Coordinate(a.x + b.x, a.y + b.y);
-};
-
-/**
- * Scales this coordinate by the given scale factor.
- * @param {number} s The scale factor to use for both x and y dimensions.
- * @return {!Blockly.utils.Coordinate} This coordinate after scaling.
- */
-Blockly.utils.Coordinate.prototype.scale = function(s) {
-  this.x *= s;
-  this.y *= s;
-  return this;
-};
-
-/**
- * Translates this coordinate by the given offsets.
- * respectively.
- * @param {number} tx The value to translate x by.
- * @param {number} ty The value to translate y by.
- * @return {!Blockly.utils.Coordinate} This coordinate after translating.
- */
-Blockly.utils.Coordinate.prototype.translate = function(tx, ty) {
-  this.x += tx;
-  this.y += ty;
-  return this;
-};
diff --git a/core/utils/coordinate.ts b/core/utils/coordinate.ts
new file mode 100644
index 00000000000..48d688cdc62
--- /dev/null
+++ b/core/utils/coordinate.ts
@@ -0,0 +1,129 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Utility methods for coordinate manipulation.
+ * These methods are not specific to Blockly, and could be factored out into
+ * a JavaScript framework such as Closure.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.utils.Coordinate
+
+/**
+ * Class for representing coordinates and positions.
+ */
+export class Coordinate {
+  /**
+   * @param x Left.
+   * @param y Top.
+   */
+  constructor(
+    public x: number,
+    public y: number,
+  ) {}
+
+  /**
+   * Creates a new copy of this coordinate.
+   *
+   * @returns A copy of this coordinate.
+   */
+  clone(): Coordinate {
+    return new Coordinate(this.x, this.y);
+  }
+
+  /**
+   * Scales this coordinate by the given scale factor.
+   *
+   * @param s The scale factor to use for both x and y dimensions.
+   * @returns This coordinate after scaling.
+   */
+  scale(s: number): Coordinate {
+    this.x *= s;
+    this.y *= s;
+    return this;
+  }
+
+  /**
+   * Translates this coordinate by the given offsets.
+   * respectively.
+   *
+   * @param tx The value to translate x by.
+   * @param ty The value to translate y by.
+   * @returns This coordinate after translating.
+   */
+  translate(tx: number, ty: number): Coordinate {
+    this.x += tx;
+    this.y += ty;
+    return this;
+  }
+
+  /**
+   * Compares coordinates for equality.
+   *
+   * @param a A Coordinate.
+   * @param b A Coordinate.
+   * @returns True iff the coordinates are equal, or if both are null.
+   */
+  static equals(a?: Coordinate | null, b?: Coordinate | null): boolean {
+    if (a === b) {
+      return true;
+    }
+    if (!a || !b) {
+      return false;
+    }
+    return a.x === b.x && a.y === b.y;
+  }
+
+  /**
+   * Returns the distance between two coordinates.
+   *
+   * @param a A Coordinate.
+   * @param b A Coordinate.
+   * @returns The distance between `a` and `b`.
+   */
+  static distance(a: Coordinate, b: Coordinate): number {
+    const dx = a.x - b.x;
+    const dy = a.y - b.y;
+    return Math.sqrt(dx * dx + dy * dy);
+  }
+
+  /**
+   * Returns the magnitude of a coordinate.
+   *
+   * @param a A Coordinate.
+   * @returns The distance between the origin and `a`.
+   */
+  static magnitude(a: Coordinate): number {
+    return Math.sqrt(a.x * a.x + a.y * a.y);
+  }
+
+  /**
+   * Returns the difference between two coordinates as a new
+   * Coordinate.
+   *
+   * @param a An x/y coordinate.
+   * @param b An x/y coordinate.
+   * @returns A Coordinate representing the difference between `a` and `b`.
+   */
+  static difference(
+    a: Coordinate | SVGPoint,
+    b: Coordinate | SVGPoint,
+  ): Coordinate {
+    return new Coordinate(a.x - b.x, a.y - b.y);
+  }
+
+  /**
+   * Returns the sum of two coordinates as a new Coordinate.
+   *
+   * @param a An x/y coordinate.
+   * @param b An x/y coordinate.
+   * @returns A Coordinate representing the sum of the two coordinates.
+   */
+  static sum(a: Coordinate | SVGPoint, b: Coordinate | SVGPoint): Coordinate {
+    return new Coordinate(a.x + b.x, a.y + b.y);
+  }
+}
diff --git a/core/utils/deprecation.js b/core/utils/deprecation.js
deleted file mode 100644
index ca9c19ab466..00000000000
--- a/core/utils/deprecation.js
+++ /dev/null
@@ -1,34 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Helper function for warning developers about deprecations.
- * This method is not specific to Blockly.
- * @author fenichel@google.com (Rachel Fenichel);
- */
-'use strict';
-
-goog.provide('Blockly.utils.deprecation');
-
-/**
- * Warn developers that a function is deprecated.
- * @param {string} functionName The name of the function.
- * @param {string} deprecationDate The date when the function was deprecated.
- *     Prefer 'month yyyy' or 'quarter yyyy' format.
- * @param {string} deletionDate The date when the function will be deleted, in
- *     the same format as the deprecation date.
- * @param {string=} opt_use The name of a function to use instead, if any.
- * @package
- */
-Blockly.utils.deprecation.warn = function(
-    functionName, deprecationDate, deletionDate, opt_use) {
-  var msg = functionName + ' was deprecated on ' + deprecationDate +
-        ' and will be deleted on ' + deletionDate + '.';
-  if (opt_use) {
-    msg += '\nUse ' + opt_use + ' instead.';
-  }
-  console.warn(msg);
-};
diff --git a/core/utils/deprecation.ts b/core/utils/deprecation.ts
new file mode 100644
index 00000000000..c793b5f57dd
--- /dev/null
+++ b/core/utils/deprecation.ts
@@ -0,0 +1,47 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.deprecation
+
+// Set of previously-emitted warnings.
+const previousWarnings = new Set();
+
+/**
+ * Warn developers that a function or property is deprecated.
+ *
+ * @param name The name of the function or property.
+ * @param deprecationDate The date of deprecation. Prefer 'version n.0.0'
+ *     format, and fall back to 'month yyyy' or 'quarter yyyy' format.
+ * @param deletionDate The date of deletion. Prefer 'version n.0.0'
+ *     format, and fall back to 'month yyyy' or 'quarter yyyy' format.
+ * @param opt_use The name of a function or property to use instead, if any.
+ * @internal
+ */
+export function warn(
+  name: string,
+  deprecationDate: string,
+  deletionDate: string,
+  opt_use?: string,
+) {
+  let msg =
+    name +
+    ' was deprecated in ' +
+    deprecationDate +
+    ' and will be deleted in ' +
+    deletionDate +
+    '.';
+  if (opt_use) {
+    msg += '\nUse ' + opt_use + ' instead.';
+  }
+
+  // Don't log deprecation warnings multiple times.
+  if (previousWarnings.has(msg)) {
+    return;
+  }
+
+  previousWarnings.add(msg);
+  console.warn(msg);
+}
diff --git a/core/utils/dom.js b/core/utils/dom.js
deleted file mode 100644
index 3762297fae9..00000000000
--- a/core/utils/dom.js
+++ /dev/null
@@ -1,391 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utility methods for DOM manipulation.
- * These methods are not specific to Blockly, and could be factored out into
- * a JavaScript framework such as Closure.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.utils.dom
- * @namespace
- */
-goog.provide('Blockly.utils.dom');
-
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.utils.userAgent');
-
-
-/**
- * Required name space for SVG elements.
- * @const
- */
-Blockly.utils.dom.SVG_NS = 'http://www.w3.org/2000/svg';
-
-/**
- * Required name space for HTML elements.
- * @const
- */
-Blockly.utils.dom.HTML_NS = 'http://www.w3.org/1999/xhtml';
-
-/**
- * Required name space for XLINK elements.
- * @const
- */
-Blockly.utils.dom.XLINK_NS = 'http://www.w3.org/1999/xlink';
-
-/**
- * Node type constants.
- * https://developer.mozilla.org/en-US/docs/Web/API/Node/nodeType
- * @enum {number}
- */
-Blockly.utils.dom.NodeType = {
-  ELEMENT_NODE: 1,
-  TEXT_NODE: 3,
-  COMMENT_NODE: 8,
-  DOCUMENT_POSITION_CONTAINED_BY: 16
-};
-
-/**
- * Temporary cache of text widths.
- * @type {Object}
- * @private
- */
-Blockly.utils.dom.cacheWidths_ = null;
-
-/**
- * Number of current references to cache.
- * @type {number}
- * @private
- */
-Blockly.utils.dom.cacheReference_ = 0;
-
-/**
- * A HTML canvas context used for computing text width.
- * @type {CanvasRenderingContext2D}
- * @private
- */
-Blockly.utils.dom.canvasContext_ = null;
-
-/**
- * Helper method for creating SVG elements.
- * @param {string|Blockly.utils.Svg<T>} name Element's tag name.
- * @param {!Object} attrs Dictionary of attribute names and values.
- * @param {Element=} opt_parent Optional parent on which to append the element.
- * @return {T} Newly created SVG element.  The return type is {!SVGElement} if
- *     name is a string or a more specific type if it a member of
- *     Blockly.utils.Svg
- * @template T
- */
-Blockly.utils.dom.createSvgElement = function(name, attrs, opt_parent) {
-  var e = /** @type {T} */
-      (document.createElementNS(Blockly.utils.dom.SVG_NS, String(name)));
-  for (var key in attrs) {
-    e.setAttribute(key, attrs[key]);
-  }
-  // IE defines a unique attribute "runtimeStyle", it is NOT applied to
-  // elements created with createElementNS. However, Closure checks for IE
-  // and assumes the presence of the attribute and crashes.
-  if (document.body.runtimeStyle) {  // Indicates presence of IE-only attr.
-    e.runtimeStyle = e.currentStyle = e.style;
-  }
-  if (opt_parent) {
-    opt_parent.appendChild(e);
-  }
-  return e;
-};
-
-/**
- * Add a CSS class to a element.
- * Similar to Closure's goog.dom.classes.add, except it handles SVG elements.
- * @param {!Element} element DOM element to add class to.
- * @param {string} className Name of class to add.
- * @return {boolean} True if class was added, false if already present.
- */
-Blockly.utils.dom.addClass = function(element, className) {
-  var classes = element.getAttribute('class') || '';
-  if ((' ' + classes + ' ').indexOf(' ' + className + ' ') != -1) {
-    return false;
-  }
-  if (classes) {
-    classes += ' ';
-  }
-  element.setAttribute('class', classes + className);
-  return true;
-};
-
-/**
- * Removes multiple calsses from an element.
- * @param {!Element} element DOM element to remove classes from.
- * @param {string} classNames A string of one or multiple class names for an
- *    element.
- */
-Blockly.utils.dom.removeClasses = function(element, classNames) {
-  var classList = classNames.split(' ');
-  for (var i = 0; i < classList.length; i++) {
-    var cssName = classList[i];
-    Blockly.utils.dom.removeClass(element, cssName);
-  }
-};
-
-/**
- * Remove a CSS class from a element.
- * Similar to Closure's goog.dom.classes.remove, except it handles SVG elements.
- * @param {!Element} element DOM element to remove class from.
- * @param {string} className Name of class to remove.
- * @return {boolean} True if class was removed, false if never present.
- */
-Blockly.utils.dom.removeClass = function(element, className) {
-  var classes = element.getAttribute('class');
-  if ((' ' + classes + ' ').indexOf(' ' + className + ' ') == -1) {
-    return false;
-  }
-  var classList = classes.split(/\s+/);
-  for (var i = 0; i < classList.length; i++) {
-    if (!classList[i] || classList[i] == className) {
-      classList.splice(i, 1);
-      i--;
-    }
-  }
-  if (classList.length) {
-    element.setAttribute('class', classList.join(' '));
-  } else {
-    element.removeAttribute('class');
-  }
-  return true;
-};
-
-/**
- * Checks if an element has the specified CSS class.
- * Similar to Closure's goog.dom.classes.has, except it handles SVG elements.
- * @param {!Element} element DOM element to check.
- * @param {string} className Name of class to check.
- * @return {boolean} True if class exists, false otherwise.
- */
-Blockly.utils.dom.hasClass = function(element, className) {
-  var classes = element.getAttribute('class');
-  return (' ' + classes + ' ').indexOf(' ' + className + ' ') != -1;
-};
-
-/**
- * Removes a node from its parent. No-op if not attached to a parent.
- * @param {Node} node The node to remove.
- * @return {Node} The node removed if removed; else, null.
- */
-// Copied from Closure goog.dom.removeNode
-Blockly.utils.dom.removeNode = function(node) {
-  return node && node.parentNode ? node.parentNode.removeChild(node) : null;
-};
-
-/**
- * Insert a node after a reference node.
- * Contrast with node.insertBefore function.
- * @param {!Element} newNode New element to insert.
- * @param {!Element} refNode Existing element to precede new node.
- */
-Blockly.utils.dom.insertAfter = function(newNode, refNode) {
-  var siblingNode = refNode.nextSibling;
-  var parentNode = refNode.parentNode;
-  if (!parentNode) {
-    throw Error('Reference node has no parent.');
-  }
-  if (siblingNode) {
-    parentNode.insertBefore(newNode, siblingNode);
-  } else {
-    parentNode.appendChild(newNode);
-  }
-};
-
-/**
- * Whether a node contains another node.
- * @param {!Node} parent The node that should contain the other node.
- * @param {!Node} descendant The node to test presence of.
- * @return {boolean} Whether the parent node contains the descendant node.
- */
-Blockly.utils.dom.containsNode = function(parent, descendant) {
-  return !!(parent.compareDocumentPosition(descendant) &
-            Blockly.utils.dom.NodeType.DOCUMENT_POSITION_CONTAINED_BY);
-};
-
-/**
- * Sets the CSS transform property on an element. This function sets the
- * non-vendor-prefixed and vendor-prefixed versions for backwards compatibility
- * with older browsers. See https://caniuse.com/#feat=transforms2d
- * @param {!Element} element Element to which the CSS transform will be applied.
- * @param {string} transform The value of the CSS `transform` property.
- */
-Blockly.utils.dom.setCssTransform = function(element, transform) {
-  element.style['transform'] = transform;
-  element.style['-webkit-transform'] = transform;
-};
-
-/**
- * Start caching text widths. Every call to this function MUST also call
- * stopTextWidthCache. Caches must not survive between execution threads.
- */
-Blockly.utils.dom.startTextWidthCache = function() {
-  Blockly.utils.dom.cacheReference_++;
-  if (!Blockly.utils.dom.cacheWidths_) {
-    Blockly.utils.dom.cacheWidths_ = {};
-  }
-};
-
-/**
- * Stop caching field widths. Unless caching was already on when the
- * corresponding call to startTextWidthCache was made.
- */
-Blockly.utils.dom.stopTextWidthCache = function() {
-  Blockly.utils.dom.cacheReference_--;
-  if (!Blockly.utils.dom.cacheReference_) {
-    Blockly.utils.dom.cacheWidths_ = null;
-  }
-};
-
-/**
- * Gets the width of a text element, caching it in the process.
- * @param {!Element} textElement An SVG 'text' element.
- * @return {number} Width of element.
- */
-Blockly.utils.dom.getTextWidth = function(textElement) {
-  var key = textElement.textContent + '\n' + textElement.className.baseVal;
-  var width;
-
-  // Return the cached width if it exists.
-  if (Blockly.utils.dom.cacheWidths_) {
-    width = Blockly.utils.dom.cacheWidths_[key];
-    if (width) {
-      return width;
-    }
-  }
-
-  // Attempt to compute fetch the width of the SVG text element.
-  try {
-    if (Blockly.utils.userAgent.IE || Blockly.utils.userAgent.EDGE) {
-      width = textElement.getBBox().width;
-    } else {
-      width = textElement.getComputedTextLength();
-    }
-  } catch (e) {
-    // In other cases where we fail to get the computed text. Instead, use an
-    // approximation and do not cache the result. At some later point in time
-    // when the block is inserted into the visible DOM, this method will be
-    // called again and, at that point in time, will not throw an exception.
-    return textElement.textContent.length * 8;
-  }
-
-  // Cache the computed width and return.
-  if (Blockly.utils.dom.cacheWidths_) {
-    Blockly.utils.dom.cacheWidths_[key] = width;
-  }
-  return width;
-};
-
-/**
- * Gets the width of a text element using a faster method than `getTextWidth`.
- * This method requires that we know the text element's font family and size in
- * advance. Similar to `getTextWidth`, we cache the width we compute.
- * @param {!Element} textElement An SVG 'text' element.
- * @param {number} fontSize The font size to use.
- * @param {string} fontWeight The font weight to use.
- * @param {string} fontFamily The font family to use.
- * @return {number} Width of element.
- */
-Blockly.utils.dom.getFastTextWidth = function(textElement,
-    fontSize, fontWeight, fontFamily) {
-  return Blockly.utils.dom.getFastTextWidthWithSizeString(textElement,
-      fontSize + 'pt', fontWeight, fontFamily);
-};
-
-/**
- * Gets the width of a text element using a faster method than `getTextWidth`.
- * This method requires that we know the text element's font family and size in
- * advance. Similar to `getTextWidth`, we cache the width we compute.
- * This method is similar to ``getFastTextWidth`` but expects the font size
- * parameter to be a string.
- * @param {!Element} textElement An SVG 'text' element.
- * @param {string} fontSize The font size to use.
- * @param {string} fontWeight The font weight to use.
- * @param {string} fontFamily The font family to use.
- * @return {number} Width of element.
- */
-Blockly.utils.dom.getFastTextWidthWithSizeString = function(textElement,
-    fontSize, fontWeight, fontFamily) {
-  var text = textElement.textContent;
-  var key = text + '\n' + textElement.className.baseVal;
-  var width;
-
-  // Return the cached width if it exists.
-  if (Blockly.utils.dom.cacheWidths_) {
-    width = Blockly.utils.dom.cacheWidths_[key];
-    if (width) {
-      return width;
-    }
-  }
-
-  if (!Blockly.utils.dom.canvasContext_) {
-    // Inject the canvas element used for computing text widths.
-    var computeCanvas = document.createElement('canvas');
-    computeCanvas.className = 'blocklyComputeCanvas';
-    document.body.appendChild(computeCanvas);
-
-    // Initialize the HTML canvas context and set the font.
-    // The context font must match blocklyText's fontsize and font-family
-    // set in CSS.
-    Blockly.utils.dom.canvasContext_ = computeCanvas.getContext('2d');
-  }
-  // Set the desired font size and family.
-  Blockly.utils.dom.canvasContext_.font =
-      fontWeight + ' ' + fontSize + ' ' + fontFamily;
-
-  // Measure the text width using the helper canvas context.
-  width = Blockly.utils.dom.canvasContext_.measureText(text).width;
-
-  // Cache the computed width and return.
-  if (Blockly.utils.dom.cacheWidths_) {
-    Blockly.utils.dom.cacheWidths_[key] = width;
-  }
-  return width;
-};
-
-/**
- * Measure a font's metrics. The height and baseline values.
- * @param {string} text Text to measure the font dimensions of.
- * @param {string} fontSize The font size to use.
- * @param {string} fontWeight The font weight to use.
- * @param {string} fontFamily The font family to use.
- * @return {{height: number, baseline: number}} Font measurements.
- */
-Blockly.utils.dom.measureFontMetrics = function(text, fontSize, fontWeight,
-    fontFamily) {
-
-  var span = document.createElement('span');
-  span.style.font = fontWeight + ' ' + fontSize + ' ' + fontFamily;
-  span.textContent = text;
-
-  var block = document.createElement('div');
-  block.style.width = '1px';
-  block.style.height = '0px';
-
-  var div = document.createElement('div');
-  div.setAttribute('style', 'position: fixed; top: 0; left: 0; display: flex;');
-  div.appendChild(span);
-  div.appendChild(block);
-
-  document.body.appendChild(div);
-  try {
-    var result = {};
-    div.style.alignItems = 'baseline';
-    result.baseline = block.offsetTop - span.offsetTop;
-    div.style.alignItems = 'flex-end';
-    result.height = block.offsetTop - span.offsetTop;
-  } finally {
-    document.body.removeChild(div);
-  }
-  return result;
-};
diff --git a/core/utils/dom.ts b/core/utils/dom.ts
new file mode 100644
index 00000000000..e318e7e915e
--- /dev/null
+++ b/core/utils/dom.ts
@@ -0,0 +1,358 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.dom
+
+import type {Svg} from './svg.js';
+
+/**
+ * Required name space for SVG elements.
+ */
+export const SVG_NS = 'http://www.w3.org/2000/svg';
+
+/**
+ * Required name space for HTML elements.
+ */
+export const HTML_NS = 'http://www.w3.org/1999/xhtml';
+
+/**
+ * Required name space for XLINK elements.
+ */
+export const XLINK_NS = 'http://www.w3.org/1999/xlink';
+
+/**
+ * Node type constants.
+ * https://developer.mozilla.org/en-US/docs/Web/API/Node/nodeType
+ */
+export enum NodeType {
+  ELEMENT_NODE = 1,
+  TEXT_NODE = 3,
+  COMMENT_NODE = 8,
+}
+
+/** Temporary cache of text widths. */
+let cacheWidths: {[key: string]: number} | null = null;
+
+/** Number of current references to cache. */
+let cacheReference = 0;
+
+/** A HTML canvas context used for computing text width. */
+let canvasContext: CanvasRenderingContext2D | null = null;
+
+/**
+ * Helper method for creating SVG elements.
+ *
+ * @param name Element's tag name.
+ * @param attrs Dictionary of attribute names and values.
+ * @param opt_parent Optional parent on which to append the element.
+ * @returns if name is a string or a more specific type if it a member of Svg.
+ */
+export function createSvgElement<T extends SVGElement>(
+  name: string | Svg<T>,
+  attrs: {[key: string]: string | number},
+  opt_parent?: Element | null,
+): T {
+  const e = document.createElementNS(SVG_NS, `${name}`) as T;
+  for (const key in attrs) {
+    e.setAttribute(key, `${attrs[key]}`);
+  }
+  if (opt_parent) {
+    opt_parent.appendChild(e);
+  }
+  return e;
+}
+
+/**
+ * Add a CSS class to a element.
+ *
+ * Handles multiple space-separated classes for legacy reasons.
+ *
+ * @param element DOM element to add class to.
+ * @param className Name of class to add.
+ * @returns True if class was added, false if already present.
+ */
+export function addClass(element: Element, className: string): boolean {
+  const classNames = className.split(' ');
+  if (classNames.every((name) => element.classList.contains(name))) {
+    return false;
+  }
+  element.classList.add(...classNames);
+  return true;
+}
+
+/**
+ * Removes multiple classes from an element.
+ *
+ * @param element DOM element to remove classes from.
+ * @param classNames A string of one or multiple class names for an element.
+ */
+export function removeClasses(element: Element, classNames: string) {
+  element.classList.remove(...classNames.split(' '));
+}
+
+/**
+ * Remove a CSS class from a element.
+ *
+ * Handles multiple space-separated classes for legacy reasons.
+ *
+ * @param element DOM element to remove class from.
+ * @param className Name of class to remove.
+ * @returns True if class was removed, false if never present.
+ */
+export function removeClass(element: Element, className: string): boolean {
+  const classNames = className.split(' ');
+  if (classNames.every((name) => !element.classList.contains(name))) {
+    return false;
+  }
+  element.classList.remove(...classNames);
+  return true;
+}
+
+/**
+ * Checks if an element has the specified CSS class.
+ *
+ * @param element DOM element to check.
+ * @param className Name of class to check.
+ * @returns True if class exists, false otherwise.
+ */
+export function hasClass(element: Element, className: string): boolean {
+  return element.classList.contains(className);
+}
+
+/**
+ * Removes a node from its parent. No-op if not attached to a parent.
+ *
+ * @param node The node to remove.
+ * @returns The node removed if removed; else, null.
+ */
+// Copied from Closure goog.dom.removeNode
+export function removeNode(node: Node | null): Node | null {
+  return node && node.parentNode ? node.parentNode.removeChild(node) : null;
+}
+
+/**
+ * Insert a node after a reference node.
+ * Contrast with node.insertBefore function.
+ *
+ * @param newNode New element to insert.
+ * @param refNode Existing element to precede new node.
+ */
+export function insertAfter(newNode: Element, refNode: Element) {
+  const siblingNode = refNode.nextSibling;
+  const parentNode = refNode.parentNode;
+  if (!parentNode) {
+    throw Error('Reference node has no parent.');
+  }
+  if (siblingNode) {
+    parentNode.insertBefore(newNode, siblingNode);
+  } else {
+    parentNode.appendChild(newNode);
+  }
+}
+
+/**
+ * Sets the CSS transform property on an element. This function sets the
+ * non-vendor-prefixed and vendor-prefixed versions for backwards compatibility
+ * with older browsers. See https://caniuse.com/#feat=transforms2d
+ *
+ * @param element Element to which the CSS transform will be applied.
+ * @param transform The value of the CSS `transform` property.
+ */
+export function setCssTransform(
+  element: HTMLElement | SVGElement,
+  transform: string,
+) {
+  element.style['transform'] = transform;
+  element.style['-webkit-transform' as any] = transform;
+}
+
+/**
+ * Start caching text widths. Every call to this function MUST also call
+ * stopTextWidthCache. Caches must not survive between execution threads.
+ */
+export function startTextWidthCache() {
+  cacheReference++;
+  if (!cacheWidths) {
+    cacheWidths = Object.create(null);
+  }
+}
+
+/**
+ * Stop caching field widths. Unless caching was already on when the
+ * corresponding call to startTextWidthCache was made.
+ */
+export function stopTextWidthCache() {
+  cacheReference--;
+  if (!cacheReference) {
+    cacheWidths = null;
+  }
+}
+
+/**
+ * Gets the width of a text element, caching it in the process.
+ *
+ * @param textElement An SVG 'text' element.
+ * @returns Width of element.
+ */
+export function getTextWidth(textElement: SVGTextElement): number {
+  const key = textElement.textContent + '\n' + textElement.className.baseVal;
+  let width;
+  // Return the cached width if it exists.
+  if (cacheWidths) {
+    width = cacheWidths[key];
+    if (width) {
+      return width;
+    }
+  }
+
+  // Attempt to compute fetch the width of the SVG text element.
+  try {
+    width = textElement.getComputedTextLength();
+  } catch (e) {
+    // In other cases where we fail to get the computed text. Instead, use an
+    // approximation and do not cache the result. At some later point in time
+    // when the block is inserted into the visible DOM, this method will be
+    // called again and, at that point in time, will not throw an exception.
+    return textElement.textContent!.length * 8;
+  }
+
+  // Cache the computed width and return.
+  if (cacheWidths) {
+    cacheWidths[key] = width;
+  }
+  return width;
+}
+
+/**
+ * Gets the width of a text element using a faster method than `getTextWidth`.
+ * This method requires that we know the text element's font family and size in
+ * advance. Similar to `getTextWidth`, we cache the width we compute.
+ *
+ * @param textElement An SVG 'text' element.
+ * @param fontSize The font size to use.
+ * @param fontWeight The font weight to use.
+ * @param fontFamily The font family to use.
+ * @returns Width of element.
+ */
+export function getFastTextWidth(
+  textElement: SVGTextElement,
+  fontSize: number,
+  fontWeight: string,
+  fontFamily: string,
+): number {
+  return getFastTextWidthWithSizeString(
+    textElement,
+    fontSize + 'pt',
+    fontWeight,
+    fontFamily,
+  );
+}
+
+/**
+ * Gets the width of a text element using a faster method than `getTextWidth`.
+ * This method requires that we know the text element's font family and size in
+ * advance. Similar to `getTextWidth`, we cache the width we compute.
+ * This method is similar to `getFastTextWidth` but expects the font size
+ * parameter to be a string.
+ *
+ * @param textElement An SVG 'text' element.
+ * @param fontSize The font size to use.
+ * @param fontWeight The font weight to use.
+ * @param fontFamily The font family to use.
+ * @returns Width of element.
+ */
+export function getFastTextWidthWithSizeString(
+  textElement: SVGTextElement,
+  fontSize: string,
+  fontWeight: string,
+  fontFamily: string,
+): number {
+  const text = textElement.textContent;
+  const key = text + '\n' + textElement.className.baseVal;
+  let width;
+
+  // Return the cached width if it exists.
+  if (cacheWidths) {
+    width = cacheWidths[key];
+    if (width) {
+      return width;
+    }
+  }
+
+  if (!canvasContext) {
+    // Inject the canvas element used for computing text widths.
+    const computeCanvas = document.createElement('canvas');
+    computeCanvas.className = 'blocklyComputeCanvas';
+    document.body.appendChild(computeCanvas);
+
+    // Initialize the HTML canvas context and set the font.
+    // The context font must match blocklyText's fontsize and font-family
+    // set in CSS.
+    canvasContext = computeCanvas.getContext('2d') as CanvasRenderingContext2D;
+  }
+  // Set the desired font size and family.
+  canvasContext.font = fontWeight + ' ' + fontSize + ' ' + fontFamily;
+
+  // Measure the text width using the helper canvas context.
+  if (text) {
+    width = canvasContext.measureText(text).width;
+  } else {
+    width = 0;
+  }
+
+  // Cache the computed width and return.
+  if (cacheWidths) {
+    cacheWidths[key] = width;
+  }
+  return width;
+}
+
+/**
+ * Measure a font's metrics. The height and baseline values.
+ *
+ * @param text Text to measure the font dimensions of.
+ * @param fontSize The font size to use.
+ * @param fontWeight The font weight to use.
+ * @param fontFamily The font family to use.
+ * @returns Font measurements.
+ */
+export function measureFontMetrics(
+  text: string,
+  fontSize: string,
+  fontWeight: string,
+  fontFamily: string,
+): {height: number; baseline: number} {
+  const span = document.createElement('span');
+  span.style.font = fontWeight + ' ' + fontSize + ' ' + fontFamily;
+  span.textContent = text;
+
+  const block = document.createElement('div');
+  block.style.width = '1px';
+  block.style.height = '0';
+
+  const div = document.createElement('div');
+  div.style.display = 'flex';
+  div.style.position = 'fixed';
+  div.style.top = '0';
+  div.style.left = '0';
+  div.appendChild(span);
+  div.appendChild(block);
+
+  document.body.appendChild(div);
+  const result = {
+    height: 0,
+    baseline: 0,
+  };
+  try {
+    div.style.alignItems = 'baseline';
+    result.baseline = block.offsetTop - span.offsetTop;
+    div.style.alignItems = 'flex-end';
+    result.height = block.offsetTop - span.offsetTop;
+  } finally {
+    document.body.removeChild(div);
+  }
+  return result;
+}
diff --git a/core/utils/global.js b/core/utils/global.js
deleted file mode 100644
index bbb6eb898e9..00000000000
--- a/core/utils/global.js
+++ /dev/null
@@ -1,37 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Provides a reference to the global object.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-/**
- * @name Blockly.utils.global
- * @namespace
- */
-goog.provide('Blockly.utils.global');
-
-
-/**
- * Reference to the global object.
- *
- * More info on this implementation here:
- * https://docs.google.com/document/d/1NAeW4Wk7I7FV0Y2tcUFvQdGMc89k2vdgSXInw8_nvCI/edit
- */
-Blockly.utils.global = function() {
-  if (typeof self === 'object') {
-    return self;
-  }
-  if (typeof window === 'object') {
-    return window;
-  }
-  if (typeof global === 'object') {
-    return global;
-  }
-  return this;
-}();
diff --git a/core/utils/idgenerator.js b/core/utils/idgenerator.js
deleted file mode 100644
index e17c51f3168..00000000000
--- a/core/utils/idgenerator.js
+++ /dev/null
@@ -1,33 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generator for unique element IDs.
- * For UUIDs use Blockly.utils.genUid. The ID generator should primarily be
- * used for IDs that end up in the DOM.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.utils.IdGenerator');
-
-
-/**
- * Next unique ID to use.
- * @type {number}
- * @private
- */
-Blockly.utils.IdGenerator.nextId_ = 0;
-
-/**
- * Gets the next unique ID.
- * IDs are compatible with the HTML4 id attribute restrictions:
- * Use only ASCII letters, digits, '_', '-' and '.'
- * @return {string} The next unique identifier.
- */
-Blockly.utils.IdGenerator.getNextUniqueId = function() {
-  return 'blockly-' + (Blockly.utils.IdGenerator.nextId_++).toString(36);
-};
diff --git a/core/utils/idgenerator.ts b/core/utils/idgenerator.ts
new file mode 100644
index 00000000000..b41a13dafe9
--- /dev/null
+++ b/core/utils/idgenerator.ts
@@ -0,0 +1,70 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.idGenerator
+
+/**
+ * Legal characters for the universally unique IDs.  Should be all on
+ * a US keyboard.  No characters that conflict with XML or JSON.
+ * Requests to remove additional 'problematic' characters from this
+ * soup will be denied.  That's your failure to properly escape in
+ * your own environment.  Issues #251, #625, #682, #1304.
+ */
+const soup =
+  '!#$%()*+,-./:;=?@[]^_`{|}~' +
+  'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
+
+/**
+ * Namespace object for internal implementations we want to be able to
+ * stub in tests. Do not use externally.
+ *
+ * @internal
+ */
+const internal = {
+  /**
+   * Generate a random unique ID.  This should be globally unique.
+   * 87 characters ^ 20 length is greater than 128 bits (better than a UUID).
+   *
+   * @returns A globally unique ID string.
+   */
+  genUid: () => {
+    const length = 20;
+    const soupLength = soup.length;
+    const id = [];
+    for (let i = 0; i < length; i++) {
+      id[i] = soup.charAt(Math.random() * soupLength);
+    }
+    return id.join('');
+  },
+};
+export const TEST_ONLY = internal;
+
+/** Next unique ID to use. */
+let nextId = 0;
+
+/**
+ * Generate the next unique element IDs.
+ * IDs are compatible with the HTML4 'id' attribute restrictions:
+ * Use only ASCII letters, digits, '_', '-' and '.'
+ *
+ * For UUIDs use genUid (below) instead; this ID generator should
+ * primarily be used for IDs that end up in the DOM.
+ *
+ * @returns The next unique identifier.
+ */
+export function getNextUniqueId(): string {
+  return 'blockly-' + (nextId++).toString(36);
+}
+
+/**
+ * Generate a random unique ID.
+ *
+ * @see internal.genUid
+ * @returns A globally unique ID string.
+ */
+export function genUid(): string {
+  return internal.genUid();
+}
diff --git a/core/utils/keycodes.js b/core/utils/keycodes.js
deleted file mode 100644
index 2129dadf14f..00000000000
--- a/core/utils/keycodes.js
+++ /dev/null
@@ -1,164 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Constant declarations for common key codes.
- * These methods are not specific to Blockly, and could be factored out into
- * a JavaScript framework such as Closure.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.utils.KeyCodes');
-
-
-/**
- * Key codes for common characters.
- *
- * Copied from Closure's goog.events.KeyCodes
- *
- * This list is not localized and therefore some of the key codes are not
- * correct for non US keyboard layouts. See comments below.
- *
- * @enum {number}
- */
-Blockly.utils.KeyCodes = {
-  WIN_KEY_FF_LINUX: 0,
-  MAC_ENTER: 3,
-  BACKSPACE: 8,
-  TAB: 9,
-  NUM_CENTER: 12,  // NUMLOCK on FF/Safari Mac
-  ENTER: 13,
-  SHIFT: 16,
-  CTRL: 17,
-  ALT: 18,
-  PAUSE: 19,
-  CAPS_LOCK: 20,
-  ESC: 27,
-  SPACE: 32,
-  PAGE_UP: 33,    // also NUM_NORTH_EAST
-  PAGE_DOWN: 34,  // also NUM_SOUTH_EAST
-  END: 35,        // also NUM_SOUTH_WEST
-  HOME: 36,       // also NUM_NORTH_WEST
-  LEFT: 37,       // also NUM_WEST
-  UP: 38,         // also NUM_NORTH
-  RIGHT: 39,      // also NUM_EAST
-  DOWN: 40,       // also NUM_SOUTH
-  PLUS_SIGN: 43,  // NOT numpad plus
-  PRINT_SCREEN: 44,
-  INSERT: 45,  // also NUM_INSERT
-  DELETE: 46,  // also NUM_DELETE
-  ZERO: 48,
-  ONE: 49,
-  TWO: 50,
-  THREE: 51,
-  FOUR: 52,
-  FIVE: 53,
-  SIX: 54,
-  SEVEN: 55,
-  EIGHT: 56,
-  NINE: 57,
-  FF_SEMICOLON: 59,  // Firefox (Gecko) fires this for semicolon instead of 186
-  FF_EQUALS: 61,     // Firefox (Gecko) fires this for equals instead of 187
-  FF_DASH: 173,      // Firefox (Gecko) fires this for dash instead of 189
-  // Firefox (Gecko) fires this for # on UK keyboards, rather than
-  // Shift+SINGLE_QUOTE.
-  FF_HASH: 163,
-  QUESTION_MARK: 63,  // needs localization
-  AT_SIGN: 64,
-  A: 65,
-  B: 66,
-  C: 67,
-  D: 68,
-  E: 69,
-  F: 70,
-  G: 71,
-  H: 72,
-  I: 73,
-  J: 74,
-  K: 75,
-  L: 76,
-  M: 77,
-  N: 78,
-  O: 79,
-  P: 80,
-  Q: 81,
-  R: 82,
-  S: 83,
-  T: 84,
-  U: 85,
-  V: 86,
-  W: 87,
-  X: 88,
-  Y: 89,
-  Z: 90,
-  META: 91,  // WIN_KEY_LEFT
-  WIN_KEY_RIGHT: 92,
-  CONTEXT_MENU: 93,
-  NUM_ZERO: 96,
-  NUM_ONE: 97,
-  NUM_TWO: 98,
-  NUM_THREE: 99,
-  NUM_FOUR: 100,
-  NUM_FIVE: 101,
-  NUM_SIX: 102,
-  NUM_SEVEN: 103,
-  NUM_EIGHT: 104,
-  NUM_NINE: 105,
-  NUM_MULTIPLY: 106,
-  NUM_PLUS: 107,
-  NUM_MINUS: 109,
-  NUM_PERIOD: 110,
-  NUM_DIVISION: 111,
-  F1: 112,
-  F2: 113,
-  F3: 114,
-  F4: 115,
-  F5: 116,
-  F6: 117,
-  F7: 118,
-  F8: 119,
-  F9: 120,
-  F10: 121,
-  F11: 122,
-  F12: 123,
-  NUMLOCK: 144,
-  SCROLL_LOCK: 145,
-
-  // OS-specific media keys like volume controls and browser controls.
-  FIRST_MEDIA_KEY: 166,
-  LAST_MEDIA_KEY: 183,
-
-  SEMICOLON: 186,             // needs localization
-  DASH: 189,                  // needs localization
-  EQUALS: 187,                // needs localization
-  COMMA: 188,                 // needs localization
-  PERIOD: 190,                // needs localization
-  SLASH: 191,                 // needs localization
-  APOSTROPHE: 192,            // needs localization
-  TILDE: 192,                 // needs localization
-  SINGLE_QUOTE: 222,          // needs localization
-  OPEN_SQUARE_BRACKET: 219,   // needs localization
-  BACKSLASH: 220,             // needs localization
-  CLOSE_SQUARE_BRACKET: 221,  // needs localization
-  WIN_KEY: 224,
-  MAC_FF_META:
-      224,  // Firefox (Gecko) fires this for the meta key instead of 91
-  MAC_WK_CMD_LEFT: 91,   // WebKit Left Command key fired, same as META
-  MAC_WK_CMD_RIGHT: 93,  // WebKit Right Command key fired, different from META
-  WIN_IME: 229,
-
-  // "Reserved for future use". Some programs (e.g. the SlingPlayer 2.4 ActiveX
-  // control) fire this as a hacky way to disable screensavers.
-  VK_NONAME: 252,
-
-  // We've seen users whose machines fire this keycode at regular one
-  // second intervals. The common thread among these users is that
-  // they're all using Dell Inspiron laptops, so we suspect that this
-  // indicates a hardware/bios problem.
-  // http://en.community.dell.com/support-forums/laptop/f/3518/p/19285957/19523128.aspx
-  PHANTOM: 255
-};
diff --git a/core/utils/keycodes.ts b/core/utils/keycodes.ts
new file mode 100644
index 00000000000..1abe5dc8f19
--- /dev/null
+++ b/core/utils/keycodes.ts
@@ -0,0 +1,154 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.KeyCodes
+
+/* eslint-disable @typescript-eslint/no-duplicate-enum-values */
+
+/**
+ * Key codes for common characters.
+ *
+ * Copied from Closure's goog.events.KeyCodes
+ *
+ * This list is not localized and therefore some of the key codes are not
+ * correct for non US keyboard layouts. See comments below.
+ */
+export enum KeyCodes {
+  WIN_KEY_FF_LINUX = 0,
+  MAC_ENTER = 3,
+  BACKSPACE = 8,
+  TAB = 9,
+  NUM_CENTER = 12, // NUMLOCK on FF/Safari Mac
+  ENTER = 13,
+  SHIFT = 16,
+  CTRL = 17,
+  ALT = 18,
+  PAUSE = 19,
+  CAPS_LOCK = 20,
+  ESC = 27,
+  SPACE = 32,
+  PAGE_UP = 33, // also NUM_NORTH_EAST
+  PAGE_DOWN = 34, // also NUM_SOUTH_EAST
+  END = 35, // also NUM_SOUTH_WEST
+  HOME = 36, // also NUM_NORTH_WEST
+  LEFT = 37, // also NUM_WEST
+  UP = 38, // also NUM_NORTH
+  RIGHT = 39, // also NUM_EAST
+  DOWN = 40, // also NUM_SOUTH
+  PLUS_SIGN = 43, // NOT numpad plus
+  PRINT_SCREEN = 44,
+  INSERT = 45, // also NUM_INSERT
+  DELETE = 46, // also NUM_DELETE
+  ZERO = 48,
+  ONE = 49,
+  TWO = 50,
+  THREE = 51,
+  FOUR = 52,
+  FIVE = 53,
+  SIX = 54,
+  SEVEN = 55,
+  EIGHT = 56,
+  NINE = 57,
+  FF_SEMICOLON = 59, // Firefox (Gecko) fires this for semicolon instead of 186
+  FF_EQUALS = 61, // Firefox (Gecko) fires this for equals instead of 187
+  FF_DASH = 173, // Firefox (Gecko) fires this for dash instead of 189
+  // Firefox (Gecko) fires this for # on UK keyboards, rather than
+  // Shift+SINGLE_QUOTE.
+  FF_HASH = 163,
+  QUESTION_MARK = 63, // needs localization
+  AT_SIGN = 64,
+  A = 65,
+  B = 66,
+  C = 67,
+  D = 68,
+  E = 69,
+  F = 70,
+  G = 71,
+  H = 72,
+  I = 73,
+  J = 74,
+  K = 75,
+  L = 76,
+  M = 77,
+  N = 78,
+  O = 79,
+  P = 80,
+  Q = 81,
+  R = 82,
+  S = 83,
+  T = 84,
+  U = 85,
+  V = 86,
+  W = 87,
+  X = 88,
+  Y = 89,
+  Z = 90,
+  META = 91, // WIN_KEY_LEFT
+  WIN_KEY_RIGHT = 92,
+  CONTEXT_MENU = 93,
+  NUM_ZERO = 96,
+  NUM_ONE = 97,
+  NUM_TWO = 98,
+  NUM_THREE = 99,
+  NUM_FOUR = 100,
+  NUM_FIVE = 101,
+  NUM_SIX = 102,
+  NUM_SEVEN = 103,
+  NUM_EIGHT = 104,
+  NUM_NINE = 105,
+  NUM_MULTIPLY = 106,
+  NUM_PLUS = 107,
+  NUM_MINUS = 109,
+  NUM_PERIOD = 110,
+  NUM_DIVISION = 111,
+  F1 = 112,
+  F2 = 113,
+  F3 = 114,
+  F4 = 115,
+  F5 = 116,
+  F6 = 117,
+  F7 = 118,
+  F8 = 119,
+  F9 = 120,
+  F10 = 121,
+  F11 = 122,
+  F12 = 123,
+  NUMLOCK = 144,
+  SCROLL_LOCK = 145,
+
+  // OS-specific media keys like volume controls and browser controls.
+  FIRST_MEDIA_KEY = 166,
+  LAST_MEDIA_KEY = 183,
+
+  SEMICOLON = 186, // needs localization
+  DASH = 189, // needs localization
+  EQUALS = 187, // needs localization
+  COMMA = 188, // needs localization
+  PERIOD = 190, // needs localization
+  SLASH = 191, // needs localization
+  APOSTROPHE = 192, // needs localization
+  TILDE = 192, // needs localization
+  SINGLE_QUOTE = 222, // needs localization
+  OPEN_SQUARE_BRACKET = 219, // needs localization
+  BACKSLASH = 220, // needs localization
+  CLOSE_SQUARE_BRACKET = 221, // needs localization
+  WIN_KEY = 224,
+  MAC_FF_META = 224, // Firefox (Gecko) fires this for the meta key instead of 91
+  MAC_WK_CMD_LEFT = 91, // WebKit Left Command key fired, same as META
+  MAC_WK_CMD_RIGHT = 93, // WebKit Right Command key fired, different from META
+  WIN_IME = 229,
+
+  // "Reserved for future use". Some programs (e.g. the SlingPlayer 2.4 ActiveX
+  // control) fire this as a hacky way to disable screensavers.
+  VK_NONAME = 252,
+
+  // We've seen users whose machines fire this keycode at regular one
+  // second intervals. The common thread among these users is that
+  // they're all using Dell Inspiron laptops, so we suspect that this
+  // indicates a hardware/bios problem.
+  // http://en.community.dell.com/support-forums/laptop/f/3518/p/19285957/19523128.aspx
+  PHANTOM = 255,
+}
diff --git a/core/utils/math.js b/core/utils/math.js
deleted file mode 100644
index 51697257929..00000000000
--- a/core/utils/math.js
+++ /dev/null
@@ -1,56 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utility methods for math.
- * These methods are not specific to Blockly, and could be factored out into
- * a JavaScript framework such as Closure.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.utils.math
- * @namespace
- */
-goog.provide('Blockly.utils.math');
-
-
-/**
- * Converts degrees to radians.
- * Copied from Closure's goog.math.toRadians.
- * @param {number} angleDegrees Angle in degrees.
- * @return {number} Angle in radians.
- */
-Blockly.utils.math.toRadians = function(angleDegrees) {
-  return angleDegrees * Math.PI / 180;
-};
-
-/**
- * Converts radians to degrees.
- * Copied from Closure's goog.math.toDegrees.
- * @param {number} angleRadians Angle in radians.
- * @return {number} Angle in degrees.
- */
-Blockly.utils.math.toDegrees = function(angleRadians) {
-  return angleRadians * 180 / Math.PI;
-};
-
-/**
- * Clamp the provided number between the lower bound and the upper bound.
- * @param {number} lowerBound The desired lower bound.
- * @param {number} number The number to clamp.
- * @param {number} upperBound The desired upper bound.
- * @return {number} The clamped number.
- */
-Blockly.utils.math.clamp = function(lowerBound, number, upperBound) {
-  if (upperBound < lowerBound) {
-    var temp = upperBound;
-    upperBound = lowerBound;
-    lowerBound = temp;
-  }
-  return Math.max(lowerBound, Math.min(number, upperBound));
-};
diff --git a/core/utils/math.ts b/core/utils/math.ts
new file mode 100644
index 00000000000..215ea3720f5
--- /dev/null
+++ b/core/utils/math.ts
@@ -0,0 +1,50 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.math
+
+/**
+ * Converts degrees to radians.
+ * Copied from Closure's goog.math.toRadians.
+ *
+ * @param angleDegrees Angle in degrees.
+ * @returns Angle in radians.
+ */
+export function toRadians(angleDegrees: number): number {
+  return (angleDegrees * Math.PI) / 180;
+}
+
+/**
+ * Converts radians to degrees.
+ * Copied from Closure's goog.math.toDegrees.
+ *
+ * @param angleRadians Angle in radians.
+ * @returns Angle in degrees.
+ */
+export function toDegrees(angleRadians: number): number {
+  return (angleRadians * 180) / Math.PI;
+}
+
+/**
+ * Clamp the provided number between the lower bound and the upper bound.
+ *
+ * @param lowerBound The desired lower bound.
+ * @param number The number to clamp.
+ * @param upperBound The desired upper bound.
+ * @returns The clamped number.
+ */
+export function clamp(
+  lowerBound: number,
+  number: number,
+  upperBound: number,
+): number {
+  if (upperBound < lowerBound) {
+    const temp = upperBound;
+    upperBound = lowerBound;
+    lowerBound = temp;
+  }
+  return Math.max(lowerBound, Math.min(number, upperBound));
+}
diff --git a/core/utils/metrics.js b/core/utils/metrics.js
deleted file mode 100644
index 274c382c624..00000000000
--- a/core/utils/metrics.js
+++ /dev/null
@@ -1,124 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Workspace metrics definitions.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.utils.Metrics');
-
-
-/**
- * @record
- */
-Blockly.utils.Metrics = function() {};
-
-/**
- * Height of the visible portion of the workspace.
- * @type {number}
- */
-Blockly.utils.Metrics.prototype.viewHeight;
-
-/**
- * Width of the visible portion of the workspace.
- * @type {number}
- */
-Blockly.utils.Metrics.prototype.viewWidth;
-
-/**
- * Height of the content.
- * @type {number}
- */
-Blockly.utils.Metrics.prototype.contentHeight;
-
-/**
- * Width of the content.
- * @type {number}
- */
-Blockly.utils.Metrics.prototype.contentWidth;
-
-/**
- * Top-edge of the visible portion of the workspace, relative to the workspace
- * origin.
- * @type {number}
- */
-Blockly.utils.Metrics.prototype.viewTop;
-
-/**
- * Left-edge of the visible portion of the workspace, relative to the workspace
- * origin.
- * @type {number}
- */
-Blockly.utils.Metrics.prototype.viewLeft;
-
-/**
- * Top-edge of the content, relative to the workspace origin.
- * @type {number}
- */
-Blockly.utils.Metrics.prototype.contentTop;
-
-/**
- * Left-edge of the content relative to the workspace origin.
- * @type {number}
- */
-Blockly.utils.Metrics.prototype.contentLeft;
-
-/**
- * Top-edge of the visible portion of the workspace, relative to the blocklyDiv.
- * @type {number}
- */
-Blockly.utils.Metrics.prototype.absoluteTop;
-
-/**
- * Left-edge of the visible portion of the workspace, relative to the
- * blocklyDiv.
- * @type {number}
- */
-Blockly.utils.Metrics.prototype.absoluteLeft;
-
-/**
- * Height of the Blockly div (the view + the toolbox, simple of otherwise).
- * @type {number|undefined}
- */
-Blockly.utils.Metrics.prototype.svgHeight;
-
-/**
- * Width of the Blockly div (the view + the toolbox, simple or otherwise).
- * @type {number|undefined}
- */
-Blockly.utils.Metrics.prototype.svgWidth;
-
-/**
- * Width of the toolbox, if it exists.  Otherwise zero.
- * @type {number|undefined}
- */
-Blockly.utils.Metrics.prototype.toolboxWidth;
-
-/**
- * Height of the toolbox, if it exists.  Otherwise zero.
- * @type {number|undefined}
- */
-Blockly.utils.Metrics.prototype.toolboxHeight;
-
-/**
- * Top, bottom, left or right. Use TOOLBOX_AT constants to compare.
- * @type {number|undefined}
- */
-Blockly.utils.Metrics.prototype.toolboxPosition;
-
-/**
- * Width of the flyout if it is always open.  Otherwise zero.
- * @type {number|undefined}
- */
-Blockly.utils.Metrics.prototype.flyoutWidth;
-
-/**
- * Height of the flyout if it is always open.  Otherwise zero.
- * @type {number|undefined}
- */
-Blockly.utils.Metrics.prototype.flyoutHeight;
diff --git a/core/utils/metrics.ts b/core/utils/metrics.ts
new file mode 100644
index 00000000000..0ef7d71da3e
--- /dev/null
+++ b/core/utils/metrics.ts
@@ -0,0 +1,86 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.Metrics
+
+export interface Metrics {
+  /** Height of the visible portion of the workspace. */
+  viewHeight: number;
+
+  /** Width of the visible portion of the workspace. */
+  viewWidth: number;
+
+  /** Height of the content. */
+  contentHeight: number;
+
+  /** Width of the content. */
+  contentWidth: number;
+
+  /** Height of the scroll area. */
+  scrollHeight: number;
+
+  /** Width of the scroll area. */
+  scrollWidth: number;
+
+  /**
+   * Top-edge of the visible portion of the workspace, relative to the workspace
+   * origin.
+   */
+  viewTop: number;
+
+  /**
+   * Left-edge of the visible portion of the workspace, relative to the
+   * workspace origin.
+   */
+  viewLeft: number;
+
+  /** Top-edge of the content, relative to the workspace origin. */
+  contentTop: number;
+
+  /** Left-edge of the content relative to the workspace origin. */
+  contentLeft: number;
+
+  /** Top-edge of the scroll area, relative to the workspace origin. */
+  scrollTop: number;
+
+  /** Left-edge of the scroll area relative to the workspace origin. */
+  scrollLeft: number;
+
+  /**
+   * Top-edge of the visible portion of the workspace, relative to the
+   * blocklyDiv.
+   */
+  absoluteTop: number;
+
+  /**
+   * Left-edge of the visible portion of the workspace, relative to the
+   * blocklyDiv.
+   */
+  absoluteLeft: number;
+
+  /**
+   * Height of the Blockly div (the view + the toolbox, simple of otherwise).
+   */
+  svgHeight: number;
+
+  /** Width of the Blockly div (the view + the toolbox, simple or otherwise). */
+  svgWidth: number;
+
+  /** Width of the toolbox, if it exists.  Otherwise zero. */
+  toolboxWidth: number;
+
+  /** Height of the toolbox, if it exists.  Otherwise zero. */
+  toolboxHeight: number;
+
+  /** Top, bottom, left or right. Use TOOLBOX_AT constants to compare. */
+  toolboxPosition: number;
+
+  /** Width of the flyout if it is always open.  Otherwise zero. */
+  flyoutWidth: number;
+
+  /** Height of the flyout if it is always open.  Otherwise zero. */
+  flyoutHeight: number;
+}
diff --git a/core/utils/object.js b/core/utils/object.js
deleted file mode 100644
index e382b9ee5cc..00000000000
--- a/core/utils/object.js
+++ /dev/null
@@ -1,73 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utility methods for objects.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('Blockly.utils.object');
-
-
-/**
- * Inherit the prototype methods from one constructor into another.
- *
- * @param {!Function} childCtor Child class.
- * @param {!Function} parentCtor Parent class.
- * @suppress {strictMissingProperties} superClass_ is not defined on Function.
- */
-Blockly.utils.object.inherits = function(childCtor, parentCtor) {
-  childCtor.superClass_ = parentCtor.prototype;
-  childCtor.prototype = Object.create(parentCtor.prototype);
-  childCtor.prototype.constructor = childCtor;
-};
-
-/**
- * Copies all the members of a source object to a target object.
- * @param {!Object} target Target.
- * @param {!Object} source Source.
- */
-Blockly.utils.object.mixin = function(target, source) {
-  for (var x in source) {
-    target[x] = source[x];
-  }
-};
-
-/**
- * Complete a deep merge of all members of a source object with a target object.
- * @param {!Object} target Target.
- * @param {!Object} source Source.
- * @return {!Object} The resulting object.
- */
-Blockly.utils.object.deepMerge = function(target, source) {
-  for (var x in source) {
-    if (source[x] != null && typeof source[x] === 'object') {
-      target[x] = Blockly.utils.object.deepMerge(
-          target[x] || Object.create(null), source[x]);
-    } else {
-      target[x] = source[x];
-    }
-  }
-  return target;
-};
-
-/**
- * Returns an array of a given object's own enumerable property values.
- * @param {!Object} obj Object containing values.
- * @return {!Array} Array of values.
- */
-Blockly.utils.object.values = function(obj) {
-  if (Object.values) {
-    /* eslint-disable es5/no-es6-methods */
-    return Object.values(obj);
-    /* eslint-enable es5/no-es6-methods */
-  }
-  // Fallback for IE.
-  return Object.keys(obj).map(function(e) {
-    return obj[e];
-  });
-};
diff --git a/core/utils/object.ts b/core/utils/object.ts
new file mode 100644
index 00000000000..6aaabcc90f1
--- /dev/null
+++ b/core/utils/object.ts
@@ -0,0 +1,28 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.object
+
+/**
+ * Complete a deep merge of all members of a source object with a target object.
+ *
+ * @param target Target.
+ * @param source Source.
+ * @returns The resulting object.
+ */
+export function deepMerge(
+  target: AnyDuringMigration,
+  source: AnyDuringMigration,
+): AnyDuringMigration {
+  for (const x in source) {
+    if (source[x] !== null && typeof source[x] === 'object') {
+      target[x] = deepMerge(target[x] || Object.create(null), source[x]);
+    } else {
+      target[x] = source[x];
+    }
+  }
+  return target;
+}
diff --git a/core/utils/parsing.ts b/core/utils/parsing.ts
new file mode 100644
index 00000000000..9950b80e642
--- /dev/null
+++ b/core/utils/parsing.ts
@@ -0,0 +1,287 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.parsing
+
+import {Msg} from '../msg.js';
+
+import * as colourUtils from './colour.js';
+
+/**
+ * Internal implementation of the message reference and interpolation token
+ * parsing used by tokenizeInterpolation() and replaceMessageReferences().
+ *
+ * @param message Text which might contain string table references and
+ *     interpolation tokens.
+ * @param parseInterpolationTokens Option to parse numeric interpolation
+ *     tokens (%1, %2, ...) when true.
+ * @param tokenizeNewlines Split individual newline characters into separate
+ *     tokens when true.
+ * @returns Array of strings and numbers.
+ */
+function tokenizeInterpolationInternal(
+  message: string,
+  parseInterpolationTokens: boolean,
+  tokenizeNewlines: boolean,
+): (string | number)[] {
+  const tokens = [];
+  const chars = message.split('');
+  chars.push(''); // End marker.
+  // Parse the message with a finite state machine.
+  // 0 - Base case.
+  // 1 - % found.
+  // 2 - Digit found.
+  // 3 - Message ref found.
+  let state = 0;
+  const buffer = new Array<string>();
+  let number = null;
+  for (let i = 0; i < chars.length; i++) {
+    const c = chars[i];
+    if (state === 0) {
+      // Start escape.
+      if (c === '%') {
+        const text = buffer.join('');
+        if (text) {
+          tokens.push(text);
+        }
+        buffer.length = 0;
+        state = 1;
+      } else if (tokenizeNewlines && c === '\n') {
+        // Output newline characters as single-character tokens, to be replaced
+        // with endOfRow dummies during interpolation.
+        const text = buffer.join('');
+        if (text) {
+          tokens.push(text);
+        }
+        buffer.length = 0;
+        tokens.push(c);
+      } else {
+        buffer.push(c); // Regular char.
+      }
+    } else if (state === 1) {
+      if (c === '%') {
+        buffer.push(c); // Escaped %: %%
+        state = 0;
+      } else if (parseInterpolationTokens && '0' <= c && c <= '9') {
+        state = 2;
+        number = c;
+        const text = buffer.join('');
+        if (text) {
+          tokens.push(text);
+        }
+        buffer.length = 0;
+      } else if (c === '{') {
+        state = 3;
+      } else {
+        buffer.push('%', c); // Not recognized. Return as literal.
+        state = 0;
+      }
+    } else if (state === 2) {
+      if ('0' <= c && c <= '9') {
+        number += c; // Multi-digit number.
+      } else {
+        tokens.push(parseInt(number ?? '', 10));
+        i--; // Parse this char again.
+        state = 0;
+      }
+    } else if (state === 3) {
+      // String table reference
+      if (c === '') {
+        // Premature end before closing '}'
+        buffer.splice(0, 0, '%{'); // Re-insert leading delimiter
+        i--; // Parse this char again.
+        state = 0; // and parse as string literal.
+      } else if (c !== '}') {
+        buffer.push(c);
+      } else {
+        const rawKey = buffer.join('');
+        if (/[A-Z]\w*/i.test(rawKey)) {
+          // Strict matching
+          // Found a valid string key. Attempt case insensitive match.
+          const keyUpper = rawKey.toUpperCase();
+
+          // BKY_ is the prefix used to namespace the strings used in
+          // Blockly core files and the predefined blocks in ../blocks/.
+          // These strings are defined in ../msgs/ files.
+          const bklyKey = keyUpper.startsWith('BKY_')
+            ? keyUpper.substring(4)
+            : null;
+          if (bklyKey && bklyKey in Msg) {
+            const rawValue = Msg[bklyKey];
+            if (typeof rawValue === 'string') {
+              // Attempt to dereference substrings, too, appending to the
+              // end.
+              Array.prototype.push.apply(
+                tokens,
+                tokenizeInterpolationInternal(
+                  rawValue,
+                  parseInterpolationTokens,
+                  tokenizeNewlines,
+                ),
+              );
+            } else if (parseInterpolationTokens) {
+              // When parsing interpolation tokens, numbers are special
+              // placeholders (%1, %2, etc). Make sure all other values are
+              // strings.
+              tokens.push(`${rawValue}`);
+            } else {
+              tokens.push(rawValue);
+            }
+          } else {
+            // No entry found in the string table. Pass reference as string.
+            tokens.push('%{' + rawKey + '}');
+          }
+          buffer.length = 0; // Clear the array
+          state = 0;
+        } else {
+          tokens.push('%{' + rawKey + '}');
+          buffer.length = 0;
+          state = 0; // and parse as string literal.
+        }
+      }
+    }
+  }
+  let text = buffer.join('');
+  if (text) {
+    tokens.push(text);
+  }
+
+  // Merge adjacent text tokens into a single string (but if newlines should be
+  // tokenized, don't merge those with adjacent text).
+  const mergedTokens = [];
+  buffer.length = 0;
+  for (let i = 0; i < tokens.length; i++) {
+    if (
+      typeof tokens[i] === 'string' &&
+      !(tokenizeNewlines && tokens[i] === '\n')
+    ) {
+      buffer.push(tokens[i] as string);
+    } else {
+      text = buffer.join('');
+      if (text) {
+        mergedTokens.push(text);
+      }
+      buffer.length = 0;
+      mergedTokens.push(tokens[i]);
+    }
+  }
+  text = buffer.join('');
+  if (text) {
+    mergedTokens.push(text);
+  }
+  buffer.length = 0;
+
+  return mergedTokens;
+}
+
+/**
+ * Parse a string with any number of interpolation tokens (%1, %2, ...).
+ * It will also replace string table references (e.g., %{bky_my_msg} and
+ * %{BKY_MY_MSG} will both be replaced with the value in
+ * Msg['MY_MSG']). Percentage sign characters '%' may be self-escaped
+ * (e.g., '%%'). Newline characters will also be output as string tokens
+ * containing a single newline character.
+ *
+ * @param message Text which might contain string table references and
+ *     interpolation tokens.
+ * @returns Array of strings and numbers.
+ */
+export function tokenizeInterpolation(message: string): (string | number)[] {
+  return tokenizeInterpolationInternal(message, true, true);
+}
+
+/**
+ * Replaces string table references in a message, if the message is a string.
+ * For example, "%{bky_my_msg}" and "%{BKY_MY_MSG}" will both be replaced with
+ * the value in Msg['MY_MSG'].
+ *
+ * @param message Message, which may be a string that contains
+ *     string table references.
+ * @returns String with message references replaced.
+ */
+export function replaceMessageReferences(message: string | any): string {
+  if (typeof message !== 'string') {
+    return message;
+  }
+  const interpolatedResult = tokenizeInterpolationInternal(
+    message,
+    false,
+    false,
+  );
+  // When parseInterpolationTokens and tokenizeNewlines are false,
+  // interpolatedResult should be at most length 1.
+  return interpolatedResult.length ? String(interpolatedResult[0]) : '';
+}
+
+/**
+ * Validates that any %{MSG_KEY} references in the message refer to keys of
+ * the Msg string table.
+ *
+ * @param message Text which might contain string table references.
+ * @returns True if all message references have matching values.
+ *     Otherwise, false.
+ */
+export function checkMessageReferences(message: string): boolean {
+  let validSoFar = true;
+
+  const msgTable = Msg;
+  // TODO (#1169): Implement support for other string tables,
+  // prefixes other than BKY_.
+  const m = message.match(/%{BKY_[A-Z]\w*}/gi);
+  if (m) {
+    for (let i = 0; i < m.length; i++) {
+      const msgKey = m[i].toUpperCase();
+      if (msgTable[msgKey.slice(6, -1)] === undefined) {
+        console.warn('No message string for ' + m[i] + ' in ' + message);
+        validSoFar = false; // Continue to report other errors.
+      }
+    }
+  }
+
+  return validSoFar;
+}
+
+/**
+ * Parse a block colour from a number or string, as provided in a block
+ * definition.
+ *
+ * @param colour HSV hue value (0 to 360), #RRGGBB string,
+ *     or a message reference string pointing to one of those two values.
+ * @returns An object containing the colour as
+ *     a #RRGGBB string, and the hue if the input was an HSV hue value.
+ * @throws {Error} If the colour cannot be parsed.
+ */
+export function parseBlockColour(colour: number | string): {
+  hue: number | null;
+  hex: string;
+} {
+  const dereferenced =
+    typeof colour === 'string' ? replaceMessageReferences(colour) : colour;
+
+  const hue = Number(dereferenced);
+  if (!isNaN(hue) && 0 <= hue && hue <= 360) {
+    return {
+      hue: hue,
+      hex: colourUtils.hsvToHex(
+        hue,
+        colourUtils.getHsvSaturation(),
+        colourUtils.getHsvValue() * 255,
+      ),
+    };
+  } else {
+    const hex = colourUtils.parse(dereferenced);
+    if (hex) {
+      // Only store hue if colour is set as a hue.
+      return {hue: null, hex: hex};
+    } else {
+      let errorMsg = 'Invalid colour: "' + dereferenced + '"';
+      if (colour !== dereferenced) {
+        errorMsg += ' (from "' + colour + '")';
+      }
+      throw Error(errorMsg);
+    }
+  }
+}
diff --git a/core/utils/rect.js b/core/utils/rect.js
deleted file mode 100644
index 296c0fcda7f..00000000000
--- a/core/utils/rect.js
+++ /dev/null
@@ -1,54 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utility methods for rectangle manipulation.
- * These methods are not specific to Blockly, and could be factored out into
- * a JavaScript framework such as Closure.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.utils.Rect
- * @namespace
- */
-goog.provide('Blockly.utils.Rect');
-
-
-/**
- * Class for representing rectangular regions.
- * @param {number} top Top.
- * @param {number} bottom Bottom.
- * @param {number} left Left.
- * @param {number} right Right.
- * @struct
- * @constructor
- */
-Blockly.utils.Rect = function(top, bottom, left, right) {
-  /** @type {number} */
-  this.top = top;
-
-  /** @type {number} */
-  this.bottom = bottom;
-
-  /** @type {number} */
-  this.left = left;
-
-  /** @type {number} */
-  this.right = right;
-};
-
-/**
- * Tests whether this rectangle contains a x/y coordinate.
- *
- * @param {number} x The x coordinate to test for containment.
- * @param {number} y The y coordinate to test for containment.
- * @return {boolean} Whether this rectangle contains given coordinate.
- */
-Blockly.utils.Rect.prototype.contains = function(x, y) {
-  return x >= this.left && x <= this.right && y >= this.top && y <= this.bottom;
-};
diff --git a/core/utils/rect.ts b/core/utils/rect.ts
new file mode 100644
index 00000000000..817462b699d
--- /dev/null
+++ b/core/utils/rect.ts
@@ -0,0 +1,69 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Utility methods for rectangle manipulation.
+ * These methods are not specific to Blockly, and could be factored out into
+ * a JavaScript framework such as Closure.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.utils.Rect
+
+/**
+ * Class for representing rectangular regions.
+ */
+export class Rect {
+  /**
+   * @param top Top.
+   * @param bottom Bottom.
+   * @param left Left.
+   * @param right Right.
+   */
+  constructor(
+    public top: number,
+    public bottom: number,
+    public left: number,
+    public right: number,
+  ) {}
+
+  getHeight(): number {
+    return this.bottom - this.top;
+  }
+
+  getWidth(): number {
+    return this.right - this.left;
+  }
+
+  /**
+   * Tests whether this rectangle contains a x/y coordinate.
+   *
+   * @param x The x coordinate to test for containment.
+   * @param y The y coordinate to test for containment.
+   * @returns Whether this rectangle contains given coordinate.
+   */
+  contains(x: number, y: number): boolean {
+    return (
+      x >= this.left && x <= this.right && y >= this.top && y <= this.bottom
+    );
+  }
+
+  /**
+   * Tests whether this rectangle intersects the provided rectangle.
+   * Assumes that the coordinate system increases going down and left.
+   *
+   * @param other The other rectangle to check for intersection with.
+   * @returns Whether this rectangle intersects the provided rectangle.
+   */
+  intersects(other: Rect): boolean {
+    return !(
+      this.left > other.right ||
+      this.right < other.left ||
+      this.top > other.bottom ||
+      this.bottom < other.top
+    );
+  }
+}
diff --git a/core/utils/size.js b/core/utils/size.js
deleted file mode 100644
index 66c9d0be1f1..00000000000
--- a/core/utils/size.js
+++ /dev/null
@@ -1,58 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utility methods for size calculation.
- * These methods are not specific to Blockly, and could be factored out into
- * a JavaScript framework such as Closure.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-/**
- * @name Blockly.utils.Size
- * @namespace
- */
-goog.provide('Blockly.utils.Size');
-
-
-/**
- * Class for representing sizes consisting of a width and height.
- * @param {number} width Width.
- * @param {number} height Height.
- * @struct
- * @constructor
- */
-Blockly.utils.Size = function(width, height) {
-  /**
-   * Width
-   * @type {number}
-   */
-  this.width = width;
-
-  /**
-   * Height
-   * @type {number}
-   */
-  this.height = height;
-};
-
-/**
- * Compares sizes for equality.
- * @param {Blockly.utils.Size} a A Size.
- * @param {Blockly.utils.Size} b A Size.
- * @return {boolean} True iff the sizes have equal widths and equal
- *     heights, or if both are null.
- */
-Blockly.utils.Size.equals = function(a, b) {
-  if (a == b) {
-    return true;
-  }
-  if (!a || !b) {
-    return false;
-  }
-  return a.width == b.width && a.height == b.height;
-};
diff --git a/core/utils/size.ts b/core/utils/size.ts
new file mode 100644
index 00000000000..705dc2c2897
--- /dev/null
+++ b/core/utils/size.ts
@@ -0,0 +1,62 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Utility methods for size calculation.
+ * These methods are not specific to Blockly, and could be factored out into
+ * a JavaScript framework such as Closure.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.utils.Size
+
+/**
+ * Class for representing sizes consisting of a width and height.
+ */
+export class Size {
+  /**
+   * @param width Width.
+   * @param height Height.
+   */
+  constructor(
+    public width: number,
+    public height: number,
+  ) {}
+
+  /**
+   * Compares sizes for equality.
+   *
+   * @param a A Size.
+   * @param b A Size.
+   * @returns True iff the sizes have equal widths and equal heights, or if both
+   *     are null.
+   */
+  static equals(a: Size | null, b: Size | null): boolean {
+    if (a === b) {
+      return true;
+    }
+    if (!a || !b) {
+      return false;
+    }
+    return a.width === b.width && a.height === b.height;
+  }
+
+  /**
+   * Returns a new size with the maximum width and height values out of both
+   * sizes.
+   */
+  static max(a: Size, b: Size): Size {
+    return new Size(Math.max(a.width, b.width), Math.max(a.height, b.height));
+  }
+
+  /**
+   * Returns a new size with the minimum width and height values out of both
+   * sizes.
+   */
+  static min(a: Size, b: Size): Size {
+    return new Size(Math.min(a.width, b.width), Math.min(a.height, b.height));
+  }
+}
diff --git a/core/utils/string.js b/core/utils/string.js
deleted file mode 100644
index 2d1b8e6e1f3..00000000000
--- a/core/utils/string.js
+++ /dev/null
@@ -1,284 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utility methods for string manipulation.
- * These methods are not specific to Blockly, and could be factored out into
- * a JavaScript framework such as Closure.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.utils.string
- * @namespace
- */
-goog.provide('Blockly.utils.string');
-
-
-/**
- * Fast prefix-checker.
- * Copied from Closure's goog.string.startsWith.
- * @param {string} str The string to check.
- * @param {string} prefix A string to look for at the start of `str`.
- * @return {boolean} True if `str` begins with `prefix`.
- */
-Blockly.utils.string.startsWith = function(str, prefix) {
-  return str.lastIndexOf(prefix, 0) == 0;
-};
-
-/**
- * Given an array of strings, return the length of the shortest one.
- * @param {!Array.<string>} array Array of strings.
- * @return {number} Length of shortest string.
- */
-Blockly.utils.string.shortestStringLength = function(array) {
-  if (!array.length) {
-    return 0;
-  }
-  return array.reduce(function(a, b) {
-    return a.length < b.length ? a : b;
-  }).length;
-};
-
-/**
- * Given an array of strings, return the length of the common prefix.
- * Words may not be split.  Any space after a word is included in the length.
- * @param {!Array.<string>} array Array of strings.
- * @param {number=} opt_shortest Length of shortest string.
- * @return {number} Length of common prefix.
- */
-Blockly.utils.string.commonWordPrefix = function(array, opt_shortest) {
-  if (!array.length) {
-    return 0;
-  } else if (array.length == 1) {
-    return array[0].length;
-  }
-  var wordPrefix = 0;
-  var max = opt_shortest || Blockly.utils.string.shortestStringLength(array);
-  for (var len = 0; len < max; len++) {
-    var letter = array[0][len];
-    for (var i = 1; i < array.length; i++) {
-      if (letter != array[i][len]) {
-        return wordPrefix;
-      }
-    }
-    if (letter == ' ') {
-      wordPrefix = len + 1;
-    }
-  }
-  for (var i = 1; i < array.length; i++) {
-    var letter = array[i][len];
-    if (letter && letter != ' ') {
-      return wordPrefix;
-    }
-  }
-  return max;
-};
-
-/**
- * Given an array of strings, return the length of the common suffix.
- * Words may not be split.  Any space after a word is included in the length.
- * @param {!Array.<string>} array Array of strings.
- * @param {number=} opt_shortest Length of shortest string.
- * @return {number} Length of common suffix.
- */
-Blockly.utils.string.commonWordSuffix = function(array, opt_shortest) {
-  if (!array.length) {
-    return 0;
-  } else if (array.length == 1) {
-    return array[0].length;
-  }
-  var wordPrefix = 0;
-  var max = opt_shortest || Blockly.utils.string.shortestStringLength(array);
-  for (var len = 0; len < max; len++) {
-    var letter = array[0].substr(-len - 1, 1);
-    for (var i = 1; i < array.length; i++) {
-      if (letter != array[i].substr(-len - 1, 1)) {
-        return wordPrefix;
-      }
-    }
-    if (letter == ' ') {
-      wordPrefix = len + 1;
-    }
-  }
-  for (var i = 1; i < array.length; i++) {
-    var letter = array[i].charAt(array[i].length - len - 1);
-    if (letter && letter != ' ') {
-      return wordPrefix;
-    }
-  }
-  return max;
-};
-
-/**
- * Wrap text to the specified width.
- * @param {string} text Text to wrap.
- * @param {number} limit Width to wrap each line.
- * @return {string} Wrapped text.
- */
-Blockly.utils.string.wrap = function(text, limit) {
-  var lines = text.split('\n');
-  for (var i = 0; i < lines.length; i++) {
-    lines[i] = Blockly.utils.string.wrapLine_(lines[i], limit);
-  }
-  return lines.join('\n');
-};
-
-/**
- * Wrap single line of text to the specified width.
- * @param {string} text Text to wrap.
- * @param {number} limit Width to wrap each line.
- * @return {string} Wrapped text.
- * @private
- */
-Blockly.utils.string.wrapLine_ = function(text, limit) {
-  if (text.length <= limit) {
-    // Short text, no need to wrap.
-    return text;
-  }
-  // Split the text into words.
-  var words = text.trim().split(/\s+/);
-  // Set limit to be the length of the largest word.
-  for (var i = 0; i < words.length; i++) {
-    if (words[i].length > limit) {
-      limit = words[i].length;
-    }
-  }
-
-  var lastScore;
-  var score = -Infinity;
-  var lastText;
-  var lineCount = 1;
-  do {
-    lastScore = score;
-    lastText = text;
-    // Create a list of booleans representing if a space (false) or
-    // a break (true) appears after each word.
-    var wordBreaks = [];
-    // Seed the list with evenly spaced linebreaks.
-    var steps = words.length / lineCount;
-    var insertedBreaks = 1;
-    for (var i = 0; i < words.length - 1; i++) {
-      if (insertedBreaks < (i + 1.5) / steps) {
-        insertedBreaks++;
-        wordBreaks[i] = true;
-      } else {
-        wordBreaks[i] = false;
-      }
-    }
-    wordBreaks = Blockly.utils.string.wrapMutate_(words, wordBreaks, limit);
-    score = Blockly.utils.string.wrapScore_(words, wordBreaks, limit);
-    text = Blockly.utils.string.wrapToText_(words, wordBreaks);
-    lineCount++;
-  } while (score > lastScore);
-  return lastText;
-};
-
-/**
- * Compute a score for how good the wrapping is.
- * @param {!Array.<string>} words Array of each word.
- * @param {!Array.<boolean>} wordBreaks Array of line breaks.
- * @param {number} limit Width to wrap each line.
- * @return {number} Larger the better.
- * @private
- */
-Blockly.utils.string.wrapScore_ = function(words, wordBreaks, limit) {
-  // If this function becomes a performance liability, add caching.
-  // Compute the length of each line.
-  var lineLengths = [0];
-  var linePunctuation = [];
-  for (var i = 0; i < words.length; i++) {
-    lineLengths[lineLengths.length - 1] += words[i].length;
-    if (wordBreaks[i] === true) {
-      lineLengths.push(0);
-      linePunctuation.push(words[i].charAt(words[i].length - 1));
-    } else if (wordBreaks[i] === false) {
-      lineLengths[lineLengths.length - 1]++;
-    }
-  }
-  var maxLength = Math.max.apply(Math, lineLengths);
-
-  var score = 0;
-  for (var i = 0; i < lineLengths.length; i++) {
-    // Optimize for width.
-    // -2 points per char over limit (scaled to the power of 1.5).
-    score -= Math.pow(Math.abs(limit - lineLengths[i]), 1.5) * 2;
-    // Optimize for even lines.
-    // -1 point per char smaller than max (scaled to the power of 1.5).
-    score -= Math.pow(maxLength - lineLengths[i], 1.5);
-    // Optimize for structure.
-    // Add score to line endings after punctuation.
-    if ('.?!'.indexOf(linePunctuation[i]) != -1) {
-      score += limit / 3;
-    } else if (',;)]}'.indexOf(linePunctuation[i]) != -1) {
-      score += limit / 4;
-    }
-  }
-  // All else being equal, the last line should not be longer than the
-  // previous line.  For example, this looks wrong:
-  // aaa bbb
-  // ccc ddd eee
-  if (lineLengths.length > 1 && lineLengths[lineLengths.length - 1] <=
-      lineLengths[lineLengths.length - 2]) {
-    score += 0.5;
-  }
-  return score;
-};
-
-/**
- * Mutate the array of line break locations until an optimal solution is found.
- * No line breaks are added or deleted, they are simply moved around.
- * @param {!Array.<string>} words Array of each word.
- * @param {!Array.<boolean>} wordBreaks Array of line breaks.
- * @param {number} limit Width to wrap each line.
- * @return {!Array.<boolean>} New array of optimal line breaks.
- * @private
- */
-Blockly.utils.string.wrapMutate_ = function(words, wordBreaks, limit) {
-  var bestScore = Blockly.utils.string.wrapScore_(words, wordBreaks, limit);
-  var bestBreaks;
-  // Try shifting every line break forward or backward.
-  for (var i = 0; i < wordBreaks.length - 1; i++) {
-    if (wordBreaks[i] == wordBreaks[i + 1]) {
-      continue;
-    }
-    var mutatedWordBreaks = [].concat(wordBreaks);
-    mutatedWordBreaks[i] = !mutatedWordBreaks[i];
-    mutatedWordBreaks[i + 1] = !mutatedWordBreaks[i + 1];
-    var mutatedScore =
-        Blockly.utils.string.wrapScore_(words, mutatedWordBreaks, limit);
-    if (mutatedScore > bestScore) {
-      bestScore = mutatedScore;
-      bestBreaks = mutatedWordBreaks;
-    }
-  }
-  if (bestBreaks) {
-    // Found an improvement.  See if it may be improved further.
-    return Blockly.utils.string.wrapMutate_(words, bestBreaks, limit);
-  }
-  // No improvements found.  Done.
-  return wordBreaks;
-};
-
-/**
- * Reassemble the array of words into text, with the specified line breaks.
- * @param {!Array.<string>} words Array of each word.
- * @param {!Array.<boolean>} wordBreaks Array of line breaks.
- * @return {string} Plain text.
- * @private
- */
-Blockly.utils.string.wrapToText_ = function(words, wordBreaks) {
-  var text = [];
-  for (var i = 0; i < words.length; i++) {
-    text.push(words[i]);
-    if (wordBreaks[i] !== undefined) {
-      text.push(wordBreaks[i] ? '\n' : ' ');
-    }
-  }
-  return text.join('');
-};
-
diff --git a/core/utils/string.ts b/core/utils/string.ts
new file mode 100644
index 00000000000..b7842c948ca
--- /dev/null
+++ b/core/utils/string.ts
@@ -0,0 +1,289 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.string
+
+/**
+ * Given an array of strings, return the length of the shortest one.
+ *
+ * @param array Array of strings.
+ * @returns Length of shortest string.
+ */
+export function shortestStringLength(array: string[]): number {
+  if (!array.length) {
+    return 0;
+  }
+  return array.reduce(function (a, b) {
+    return a.length < b.length ? a : b;
+  }).length;
+}
+
+/**
+ * Given an array of strings, return the length of the common prefix.
+ * Words may not be split.  Any space after a word is included in the length.
+ *
+ * @param array Array of strings.
+ * @param opt_shortest Length of shortest string.
+ * @returns Length of common prefix.
+ */
+export function commonWordPrefix(
+  array: string[],
+  opt_shortest?: number,
+): number {
+  if (!array.length) {
+    return 0;
+  } else if (array.length === 1) {
+    return array[0].length;
+  }
+  let wordPrefix = 0;
+  const max = opt_shortest || shortestStringLength(array);
+  let len;
+  for (len = 0; len < max; len++) {
+    const letter = array[0][len];
+    for (let i = 1; i < array.length; i++) {
+      if (letter !== array[i][len]) {
+        return wordPrefix;
+      }
+    }
+    if (letter === ' ') {
+      wordPrefix = len + 1;
+    }
+  }
+  for (let i = 1; i < array.length; i++) {
+    const letter = array[i][len];
+    if (letter && letter !== ' ') {
+      return wordPrefix;
+    }
+  }
+  return max;
+}
+
+/**
+ * Given an array of strings, return the length of the common suffix.
+ * Words may not be split.  Any space after a word is included in the length.
+ *
+ * @param array Array of strings.
+ * @param opt_shortest Length of shortest string.
+ * @returns Length of common suffix.
+ */
+export function commonWordSuffix(
+  array: string[],
+  opt_shortest?: number,
+): number {
+  if (!array.length) {
+    return 0;
+  } else if (array.length === 1) {
+    return array[0].length;
+  }
+  let wordPrefix = 0;
+  const max = opt_shortest || shortestStringLength(array);
+  let len;
+  for (len = 0; len < max; len++) {
+    const letter = array[0].substr(-len - 1, 1);
+    for (let i = 1; i < array.length; i++) {
+      if (letter !== array[i].substr(-len - 1, 1)) {
+        return wordPrefix;
+      }
+    }
+    if (letter === ' ') {
+      wordPrefix = len + 1;
+    }
+  }
+  for (let i = 1; i < array.length; i++) {
+    const letter = array[i].charAt(array[i].length - len - 1);
+    if (letter && letter !== ' ') {
+      return wordPrefix;
+    }
+  }
+  return max;
+}
+
+/**
+ * Wrap text to the specified width.
+ *
+ * @param text Text to wrap.
+ * @param limit Width to wrap each line.
+ * @returns Wrapped text.
+ */
+export function wrap(text: string, limit: number): string {
+  const lines = text.split('\n');
+  for (let i = 0; i < lines.length; i++) {
+    lines[i] = wrapLine(lines[i], limit);
+  }
+  return lines.join('\n');
+}
+
+/**
+ * Wrap single line of text to the specified width.
+ *
+ * @param text Text to wrap.
+ * @param limit Width to wrap each line.
+ * @returns Wrapped text.
+ */
+function wrapLine(text: string, limit: number): string {
+  if (text.length <= limit) {
+    // Short text, no need to wrap.
+    return text;
+  }
+  // Split the text into words.
+  const words = text.trim().split(/\s+/);
+  // Set limit to be the length of the largest word.
+  for (let i = 0; i < words.length; i++) {
+    if (words[i].length > limit) {
+      limit = words[i].length;
+    }
+  }
+
+  let lastScore;
+  let score = -Infinity;
+  let lastText;
+  let lineCount = 1;
+  do {
+    lastScore = score;
+    lastText = text;
+    // Create a list of booleans representing if a space (false) or
+    // a break (true) appears after each word.
+    let wordBreaks = [];
+    // Seed the list with evenly spaced linebreaks.
+    const steps = words.length / lineCount;
+    let insertedBreaks = 1;
+    for (let i = 0; i < words.length - 1; i++) {
+      if (insertedBreaks < (i + 1.5) / steps) {
+        insertedBreaks++;
+        wordBreaks[i] = true;
+      } else {
+        wordBreaks[i] = false;
+      }
+    }
+    wordBreaks = wrapMutate(words, wordBreaks, limit);
+    score = wrapScore(words, wordBreaks, limit);
+    text = wrapToText(words, wordBreaks);
+    lineCount++;
+  } while (score > lastScore);
+  return lastText;
+}
+
+/**
+ * Compute a score for how good the wrapping is.
+ *
+ * @param words Array of each word.
+ * @param wordBreaks Array of line breaks.
+ * @param limit Width to wrap each line.
+ * @returns Larger the better.
+ */
+function wrapScore(
+  words: string[],
+  wordBreaks: boolean[],
+  limit: number,
+): number {
+  // If this function becomes a performance liability, add caching.
+  // Compute the length of each line.
+  const lineLengths = [0];
+  const linePunctuation = [];
+  for (let i = 0; i < words.length; i++) {
+    lineLengths[lineLengths.length - 1] += words[i].length;
+    if (wordBreaks[i] === true) {
+      lineLengths.push(0);
+      linePunctuation.push(words[i].charAt(words[i].length - 1));
+    } else if (wordBreaks[i] === false) {
+      lineLengths[lineLengths.length - 1]++;
+    }
+  }
+  const maxLength = Math.max(...lineLengths);
+
+  let score = 0;
+  for (let i = 0; i < lineLengths.length; i++) {
+    // Optimize for width.
+    // -2 points per char over limit (scaled to the power of 1.5).
+    score -= Math.pow(Math.abs(limit - lineLengths[i]), 1.5) * 2;
+    // Optimize for even lines.
+    // -1 point per char smaller than max (scaled to the power of 1.5).
+    score -= Math.pow(maxLength - lineLengths[i], 1.5);
+    // Optimize for structure.
+    // Add score to line endings after punctuation.
+    if ('.?!'.includes(linePunctuation[i])) {
+      score += limit / 3;
+    } else if (',;)]}'.includes(linePunctuation[i])) {
+      score += limit / 4;
+    }
+  }
+  // All else being equal, the last line should not be longer than the
+  // previous line.  For example, this looks wrong:
+  // aaa bbb
+  // ccc ddd eee
+  if (
+    lineLengths.length > 1 &&
+    lineLengths[lineLengths.length - 1] <= lineLengths[lineLengths.length - 2]
+  ) {
+    score += 0.5;
+  }
+  return score;
+}
+/**
+ * Mutate the array of line break locations until an optimal solution is found.
+ * No line breaks are added or deleted, they are simply moved around.
+ *
+ * @param words Array of each word.
+ * @param wordBreaks Array of line breaks.
+ * @param limit Width to wrap each line.
+ * @returns New array of optimal line breaks.
+ */
+function wrapMutate(
+  words: string[],
+  wordBreaks: boolean[],
+  limit: number,
+): boolean[] {
+  let bestScore = wrapScore(words, wordBreaks, limit);
+  let bestBreaks;
+  // Try shifting every line break forward or backward.
+  for (let i = 0; i < wordBreaks.length - 1; i++) {
+    if (wordBreaks[i] === wordBreaks[i + 1]) {
+      continue;
+    }
+    const mutatedWordBreaks = new Array<boolean>().concat(wordBreaks);
+    mutatedWordBreaks[i] = !mutatedWordBreaks[i];
+    mutatedWordBreaks[i + 1] = !mutatedWordBreaks[i + 1];
+    const mutatedScore = wrapScore(words, mutatedWordBreaks, limit);
+    if (mutatedScore > bestScore) {
+      bestScore = mutatedScore;
+      bestBreaks = mutatedWordBreaks;
+    }
+  }
+  if (bestBreaks) {
+    // Found an improvement.  See if it may be improved further.
+    return wrapMutate(words, bestBreaks, limit);
+  }
+  // No improvements found.  Done.
+  return wordBreaks;
+}
+
+/**
+ * Reassemble the array of words into text, with the specified line breaks.
+ *
+ * @param words Array of each word.
+ * @param wordBreaks Array of line breaks.
+ * @returns Plain text.
+ */
+function wrapToText(words: string[], wordBreaks: boolean[]): string {
+  const text = [];
+  for (let i = 0; i < words.length; i++) {
+    text.push(words[i]);
+    if (wordBreaks[i] !== undefined) {
+      text.push(wordBreaks[i] ? '\n' : ' ');
+    }
+  }
+  return text.join('');
+}
+
+/**
+ * Is the given string a number (includes negative and decimals).
+ *
+ * @param str Input string.
+ * @returns True if number, false otherwise.
+ */
+export function isNumber(str: string): boolean {
+  return /^\s*-?\d+(\.\d+)?\s*$/.test(str);
+}
diff --git a/core/utils/style.js b/core/utils/style.js
deleted file mode 100644
index d236e5ab211..00000000000
--- a/core/utils/style.js
+++ /dev/null
@@ -1,281 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utilities for element styles.
- * These methods are not specific to Blockly, and could be factored out into
- * a JavaScript framework such as Closure.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-/**
- * @name Blockly.utils.style
- * @namespace
- */
-goog.provide('Blockly.utils.style');
-
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.Size');
-
-
-/**
- * Gets the height and width of an element.
- * Similar to Closure's goog.style.getSize
- * @param {!Element} element Element to get size of.
- * @return {!Blockly.utils.Size} Object with width/height properties.
- */
-Blockly.utils.style.getSize = function(element) {
-  if (Blockly.utils.style.getStyle_(element, 'display') != 'none') {
-    return Blockly.utils.style.getSizeWithDisplay_(element);
-  }
-
-  // Evaluate size with a temporary element.
-  var style = element.style;
-  var originalDisplay = style.display;
-  var originalVisibility = style.visibility;
-  var originalPosition = style.position;
-
-  style.visibility = 'hidden';
-  style.position = 'absolute';
-  style.display = 'inline';
-
-  var offsetWidth = /** @type {!HTMLElement} */ (element).offsetWidth;
-  var offsetHeight = /** @type {!HTMLElement} */ (element).offsetHeight;
-
-  style.display = originalDisplay;
-  style.position = originalPosition;
-  style.visibility = originalVisibility;
-
-  return new Blockly.utils.Size(offsetWidth, offsetHeight);
-};
-
-/**
- * Gets the height and width of an element when the display is not none.
- * @param {!Element} element Element to get size of.
- * @return {!Blockly.utils.Size} Object with width/height properties.
- * @private
- */
-Blockly.utils.style.getSizeWithDisplay_ = function(element) {
-  var offsetWidth = /** @type {!HTMLElement} */ (element).offsetWidth;
-  var offsetHeight = /** @type {!HTMLElement} */ (element).offsetHeight;
-  return new Blockly.utils.Size(offsetWidth, offsetHeight);
-};
-
-/**
- * Cross-browser pseudo get computed style. It returns the computed style where
- * available. If not available it tries the cascaded style value (IE
- * currentStyle) and in worst case the inline style value.  It shouldn't be
- * called directly, see http://wiki/Main/ComputedStyleVsCascadedStyle for
- * discussion.
- *
- * Copied from Closure's goog.style.getStyle_
- *
- * @param {!Element} element Element to get style of.
- * @param {string} style Property to get (must be camelCase, not css-style.).
- * @return {string} Style value.
- * @private
- */
-Blockly.utils.style.getStyle_ = function(element, style) {
-  return Blockly.utils.style.getComputedStyle(element, style) ||
-      Blockly.utils.style.getCascadedStyle(element, style) ||
-      (element.style && element.style[style]);
-};
-
-/**
- * Retrieves a computed style value of a node. It returns empty string if the
- * value cannot be computed (which will be the case in Internet Explorer) or
- * "none" if the property requested is an SVG one and it has not been
- * explicitly set (firefox and webkit).
- *
- * Copied from Closure's goog.style.getComputedStyle
- *
- * @param {!Element} element Element to get style of.
- * @param {string} property Property to get (camel-case).
- * @return {string} Style value.
- */
-Blockly.utils.style.getComputedStyle = function(element, property) {
-  if (document.defaultView && document.defaultView.getComputedStyle) {
-    var styles = document.defaultView.getComputedStyle(element, null);
-    if (styles) {
-      // element.style[..] is undefined for browser specific styles
-      // as 'filter'.
-      return styles[property] || styles.getPropertyValue(property) || '';
-    }
-  }
-
-  return '';
-};
-
-/**
- * Gets the cascaded style value of a node, or null if the value cannot be
- * computed (only Internet Explorer can do this).
- *
- * Copied from Closure's goog.style.getCascadedStyle
- *
- * @param {!Element} element Element to get style of.
- * @param {string} style Property to get (camel-case).
- * @return {string} Style value.
- */
-Blockly.utils.style.getCascadedStyle = function(element, style) {
-  return /** @type {string} */ (
-      element.currentStyle ? element.currentStyle[style] : null);
-};
-
-/**
- * Returns a Coordinate object relative to the top-left of the HTML document.
- * Similar to Closure's goog.style.getPageOffset
- * @param {!Element} el Element to get the page offset for.
- * @return {!Blockly.utils.Coordinate} The page offset.
- */
-Blockly.utils.style.getPageOffset = function(el) {
-  var pos = new Blockly.utils.Coordinate(0, 0);
-  var box = el.getBoundingClientRect();
-  var documentElement = document.documentElement;
-  // Must add the scroll coordinates in to get the absolute page offset
-  // of element since getBoundingClientRect returns relative coordinates to
-  // the viewport.
-  var scrollCoord = new Blockly.utils.Coordinate(
-      window.pageXOffset || documentElement.scrollLeft,
-      window.pageYOffset || documentElement.scrollTop);
-  pos.x = box.left + scrollCoord.x;
-  pos.y = box.top + scrollCoord.y;
-
-  return pos;
-};
-
-/**
- * Calculates the viewport coordinates relative to the document.
- * Similar to Closure's goog.style.getViewportPageOffset
- * @return {!Blockly.utils.Coordinate} The page offset of the viewport.
- */
-Blockly.utils.style.getViewportPageOffset = function() {
-  var body = document.body;
-  var documentElement = document.documentElement;
-  var scrollLeft = body.scrollLeft || documentElement.scrollLeft;
-  var scrollTop = body.scrollTop || documentElement.scrollTop;
-  return new Blockly.utils.Coordinate(scrollLeft, scrollTop);
-};
-
-/**
- * Shows or hides an element from the page. Hiding the element is done by
- * setting the display property to "none", removing the element from the
- * rendering hierarchy so it takes up no space. To show the element, the default
- * inherited display property is restored (defined either in stylesheets or by
- * the browser's default style rules).
- * Copied from Closure's goog.style.getViewportPageOffset
- *
- * @param {!Element} el Element to show or hide.
- * @param {*} isShown True to render the element in its default style,
- *     false to disable rendering the element.
- */
-Blockly.utils.style.setElementShown = function(el, isShown) {
-  el.style.display = isShown ? '' : 'none';
-};
-
-/**
- * Returns true if the element is using right to left (RTL) direction.
- * Copied from Closure's goog.style.isRightToLeft
- *
- * @param {!Element} el The element to test.
- * @return {boolean} True for right to left, false for left to right.
- */
-Blockly.utils.style.isRightToLeft = function(el) {
-  return 'rtl' == Blockly.utils.style.getStyle_(el, 'direction');
-};
-
-/**
- * Gets the computed border widths (on all sides) in pixels
- * Copied from Closure's goog.style.getBorderBox
- * @param {!Element} element  The element to get the border widths for.
- * @return {!Object} The computed border widths.
- */
-Blockly.utils.style.getBorderBox = function(element) {
-  var left = Blockly.utils.style.getComputedStyle(element, 'borderLeftWidth');
-  var right = Blockly.utils.style.getComputedStyle(element, 'borderRightWidth');
-  var top = Blockly.utils.style.getComputedStyle(element, 'borderTopWidth');
-  var bottom = Blockly.utils.style.getComputedStyle(element, 'borderBottomWidth');
-
-  return {
-    top: parseFloat(top),
-    right: parseFloat(right),
-    bottom: parseFloat(bottom),
-    left: parseFloat(left)
-  };
-};
-
-/**
- * Changes the scroll position of `container` with the minimum amount so
- * that the content and the borders of the given `element` become visible.
- * If the element is bigger than the container, its top left corner will be
- * aligned as close to the container's top left corner as possible.
- * Copied from Closure's goog.style.scrollIntoContainerView
- *
- * @param {!Element} element The element to make visible.
- * @param {!Element} container The container to scroll. If not set, then the
- *     document scroll element will be used.
- * @param {boolean=} opt_center Whether to center the element in the container.
- *     Defaults to false.
- */
-Blockly.utils.style.scrollIntoContainerView = function(
-    element, container, opt_center) {
-  var offset =
-      Blockly.utils.style.getContainerOffsetToScrollInto(element,
-          container, opt_center);
-  container.scrollLeft = offset.x;
-  container.scrollTop = offset.y;
-};
-
-/**
- * Calculate the scroll position of `container` with the minimum amount so
- * that the content and the borders of the given `element` become visible.
- * If the element is bigger than the container, its top left corner will be
- * aligned as close to the container's top left corner as possible.
- * Copied from Closure's goog.style.getContainerOffsetToScrollInto
- *
- * @param {!Element} element The element to make visible.
- * @param {!Element} container The container to scroll. If not set, then the
- *     document scroll element will be used.
- * @param {boolean=} opt_center Whether to center the element in the container.
- *     Defaults to false.
- * @return {!Blockly.utils.Coordinate} The new scroll position of the container,
- *     in form of goog.math.Coordinate(scrollLeft, scrollTop).
- */
-Blockly.utils.style.getContainerOffsetToScrollInto = function(
-    element, container, opt_center) {
-  // Absolute position of the element's border's top left corner.
-  var elementPos = Blockly.utils.style.getPageOffset(element);
-  // Absolute position of the container's border's top left corner.
-  var containerPos = Blockly.utils.style.getPageOffset(container);
-  var containerBorder = Blockly.utils.style.getBorderBox(container);
-  // Relative pos. of the element's border box to the container's content box.
-  var relX = elementPos.x - containerPos.x - containerBorder.left;
-  var relY = elementPos.y - containerPos.y - containerBorder.top;
-  // How much the element can move in the container, i.e. the difference between
-  // the element's bottom-right-most and top-left-most position where it's
-  // fully visible.
-  var elementSize = Blockly.utils.style.getSizeWithDisplay_(element);
-  var spaceX = container.clientWidth - elementSize.width;
-  var spaceY = container.clientHeight - elementSize.height;
-  var scrollLeft = container.scrollLeft;
-  var scrollTop = container.scrollTop;
-  if (opt_center) {
-    // All browsers round non-integer scroll positions down.
-    scrollLeft += relX - spaceX / 2;
-    scrollTop += relY - spaceY / 2;
-  } else {
-    // This formula was designed to give the correct scroll values in the
-    // following cases:
-    // - element is higher than container (spaceY < 0) => scroll down by relY
-    // - element is not higher that container (spaceY >= 0):
-    //   - it is above container (relY < 0) => scroll up by abs(relY)
-    //   - it is below container (relY > spaceY) => scroll down by relY - spaceY
-    //   - it is in the container => don't scroll
-    scrollLeft += Math.min(relX, Math.max(relX - spaceX, 0));
-    scrollTop += Math.min(relY, Math.max(relY - spaceY, 0));
-  }
-  return new Blockly.utils.Coordinate(scrollLeft, scrollTop);
-};
diff --git a/core/utils/style.ts b/core/utils/style.ts
new file mode 100644
index 00000000000..4f8324be5c0
--- /dev/null
+++ b/core/utils/style.ts
@@ -0,0 +1,219 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.style
+
+import {Coordinate} from './coordinate.js';
+import {Rect} from './rect.js';
+import {Size} from './size.js';
+
+/**
+ * Gets the height and width of an element.
+ * Similar to Closure's goog.style.getSize
+ *
+ * @param element Element to get size of.
+ * @returns Object with width/height properties.
+ */
+export function getSize(element: Element): Size {
+  return TEST_ONLY.getSizeInternal(element);
+}
+
+/**
+ * Private version of getSize for stubbing in tests.
+ */
+function getSizeInternal(element: Element): Size {
+  if (getComputedStyle(element, 'display') !== 'none') {
+    return getSizeWithDisplay(element);
+  }
+
+  // Evaluate size with a temporary element.
+  // AnyDuringMigration because:  Property 'style' does not exist on type
+  // 'Element'.
+  const style = (element as AnyDuringMigration).style;
+  const originalDisplay = style.display;
+  const originalVisibility = style.visibility;
+  const originalPosition = style.position;
+
+  style.visibility = 'hidden';
+  style.position = 'absolute';
+  style.display = 'inline';
+
+  const offsetWidth = (element as HTMLElement).offsetWidth;
+  const offsetHeight = (element as HTMLElement).offsetHeight;
+
+  style.display = originalDisplay;
+  style.position = originalPosition;
+  style.visibility = originalVisibility;
+
+  return new Size(offsetWidth, offsetHeight);
+}
+
+/**
+ * Gets the height and width of an element when the display is not none.
+ *
+ * @param element Element to get size of.
+ * @returns Object with width/height properties.
+ */
+function getSizeWithDisplay(element: Element): Size {
+  const offsetWidth = (element as HTMLElement).offsetWidth;
+  const offsetHeight = (element as HTMLElement).offsetHeight;
+  return new Size(offsetWidth, offsetHeight);
+}
+
+/**
+ * Retrieves a computed style value of a node. It returns empty string
+ * if the property requested is an SVG one and it has not been
+ * explicitly set (firefox and webkit).
+ *
+ * Copied from Closure's goog.style.getComputedStyle
+ *
+ * @param element Element to get style of.
+ * @param property Property to get (camel-case).
+ * @returns Style value.
+ */
+export function getComputedStyle(element: Element, property: string): string {
+  const styles = window.getComputedStyle(element);
+  // element.style[..] is undefined for browser specific styles
+  // as 'filter'.
+  return (
+    (styles as AnyDuringMigration)[property] ||
+    styles.getPropertyValue(property)
+  );
+}
+
+/**
+ * Returns a Coordinate object relative to the top-left of the HTML document.
+ * Similar to Closure's goog.style.getPageOffset
+ *
+ * @param el Element to get the page offset for.
+ * @returns The page offset.
+ */
+export function getPageOffset(el: Element): Coordinate {
+  const pos = new Coordinate(0, 0);
+  const box = el.getBoundingClientRect();
+  const documentElement = document.documentElement;
+  // Must add the scroll coordinates in to get the absolute page offset
+  // of element since getBoundingClientRect returns relative coordinates to
+  // the viewport.
+  const scrollCoord = new Coordinate(
+    window.pageXOffset || documentElement.scrollLeft,
+    window.pageYOffset || documentElement.scrollTop,
+  );
+  pos.x = box.left + scrollCoord.x;
+  pos.y = box.top + scrollCoord.y;
+
+  return pos;
+}
+
+/**
+ * Calculates the viewport coordinates relative to the document.
+ * Similar to Closure's goog.style.getViewportPageOffset
+ *
+ * @returns The page offset of the viewport.
+ */
+export function getViewportPageOffset(): Coordinate {
+  const body = document.body;
+  const documentElement = document.documentElement;
+  const scrollLeft = body.scrollLeft || documentElement.scrollLeft;
+  const scrollTop = body.scrollTop || documentElement.scrollTop;
+  return new Coordinate(scrollLeft, scrollTop);
+}
+
+/**
+ * Gets the computed border widths (on all sides) in pixels
+ * Copied from Closure's goog.style.getBorderBox
+ *
+ * @param element  The element to get the border widths for.
+ * @returns The computed border widths.
+ */
+export function getBorderBox(element: Element): Rect {
+  const left = parseFloat(getComputedStyle(element, 'borderLeftWidth'));
+  const right = parseFloat(getComputedStyle(element, 'borderRightWidth'));
+  const top = parseFloat(getComputedStyle(element, 'borderTopWidth'));
+  const bottom = parseFloat(getComputedStyle(element, 'borderBottomWidth'));
+
+  return new Rect(top, bottom, left, right);
+}
+
+/**
+ * Changes the scroll position of `container` with the minimum amount so
+ * that the content and the borders of the given `element` become visible.
+ * If the element is bigger than the container, its top left corner will be
+ * aligned as close to the container's top left corner as possible.
+ * Copied from Closure's goog.style.scrollIntoContainerView
+ *
+ * @param element The element to make visible.
+ * @param container The container to scroll. If not set, then the document
+ *     scroll element will be used.
+ * @param opt_center Whether to center the element in the container.
+ *     Defaults to false.
+ */
+export function scrollIntoContainerView(
+  element: Element,
+  container: Element,
+  opt_center?: boolean,
+) {
+  const offset = getContainerOffsetToScrollInto(element, container, opt_center);
+  container.scrollLeft = offset.x;
+  container.scrollTop = offset.y;
+}
+
+/**
+ * Calculate the scroll position of `container` with the minimum amount so
+ * that the content and the borders of the given `element` become visible.
+ * If the element is bigger than the container, its top left corner will be
+ * aligned as close to the container's top left corner as possible.
+ * Copied from Closure's goog.style.getContainerOffsetToScrollInto
+ *
+ * @param element The element to make visible.
+ * @param container The container to scroll. If not set, then the document
+ *     scroll element will be used.
+ * @param opt_center Whether to center the element in the container.
+ *     Defaults to false.
+ * @returns The new scroll position of the container.
+ */
+export function getContainerOffsetToScrollInto(
+  element: Element,
+  container: Element,
+  opt_center?: boolean,
+): Coordinate {
+  // Absolute position of the element's border's top left corner.
+  const elementPos = getPageOffset(element);
+  // Absolute position of the container's border's top left corner.
+  const containerPos = getPageOffset(container);
+  const containerBorder = getBorderBox(container);
+  // Relative pos. of the element's border box to the container's content box.
+  const relX = elementPos.x - containerPos.x - containerBorder.left;
+  const relY = elementPos.y - containerPos.y - containerBorder.top;
+  // How much the element can move in the container, i.e. the difference between
+  // the element's bottom-right-most and top-left-most position where it's
+  // fully visible.
+  const elementSize = getSizeWithDisplay(element);
+  const spaceX = container.clientWidth - elementSize.width;
+  const spaceY = container.clientHeight - elementSize.height;
+  let scrollLeft = container.scrollLeft;
+  let scrollTop = container.scrollTop;
+  if (opt_center) {
+    // All browsers round non-integer scroll positions down.
+    scrollLeft += relX - spaceX / 2;
+    scrollTop += relY - spaceY / 2;
+  } else {
+    // This formula was designed to give the correct scroll values in the
+    // following cases:
+    // - element is higher than container (spaceY < 0) => scroll down by relY
+    // - element is not higher that container (spaceY >= 0):
+    //   - it is above container (relY < 0) => scroll up by abs(relY)
+    //   - it is below container (relY > spaceY) => scroll down by relY - spaceY
+    //   - it is in the container => don't scroll
+    scrollLeft += Math.min(relX, Math.max(relX - spaceX, 0));
+    scrollTop += Math.min(relY, Math.max(relY - spaceY, 0));
+  }
+  return new Coordinate(scrollLeft, scrollTop);
+}
+
+export const TEST_ONLY = {
+  getSizeInternal,
+};
diff --git a/core/utils/svg.js b/core/utils/svg.js
deleted file mode 100644
index dde7f7b3cba..00000000000
--- a/core/utils/svg.js
+++ /dev/null
@@ -1,181 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Defines the Blockly.utils.Svg class. Its constants enumerate
- * all SVG tag names used by Blockly.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-/**
- * @name Blockly.utils.Svg
- * @namespace
- */
-goog.provide('Blockly.utils.Svg');
-
-
-/**
- * A name with the type of the SVG element stored in the generic.
- * @param {string} tagName The SVG element tag name.
- * @constructor
- * @template T
- * @private
- */
-Blockly.utils.Svg = function(tagName) {
-  /**
-   * @type {string}
-   * @private
-   */
-  this.tagName_ = tagName;
-};
-
-/**
- * Returns the SVG element tag name.
- * @return {string} The name.
- * @override
- */
-Blockly.utils.Svg.prototype.toString = function() {
-  return this.tagName_;
-};
-
-/** @type {!Blockly.utils.Svg<!SVGAnimateElement>}
- * @package
- */
-Blockly.utils.Svg.ANIMATE =
-    new Blockly.utils.Svg('animate');
-
-/** @type {!Blockly.utils.Svg<!SVGCircleElement>}
-* @package
- */
-Blockly.utils.Svg.CIRCLE =
-    new Blockly.utils.Svg('circle');
-
-/** @type {!Blockly.utils.Svg<!SVGClipPathElement>}
- * @package
- */
-Blockly.utils.Svg.CLIPPATH =
-    new Blockly.utils.Svg('clipPath');
-
-/** @type {!Blockly.utils.Svg<!SVGDefsElement>}
- * @package
- */
-Blockly.utils.Svg.DEFS =
-    new Blockly.utils.Svg('defs');
-
-/** @type {!Blockly.utils.Svg<!SVGFECompositeElement>}
- * @package
- */
-Blockly.utils.Svg.FECOMPOSITE =
-    new Blockly.utils.Svg('feComposite');
-
-/** @type {!Blockly.utils.Svg<!SVGFEComponentTransferElement>}
- * @package
- */
-Blockly.utils.Svg.FECOMPONENTTRANSFER =
-    new Blockly.utils.Svg('feComponentTransfer');
-
-/** @type {!Blockly.utils.Svg<!SVGFEFloodElement>}
- * @package
- */
-Blockly.utils.Svg.FEFLOOD =
-    new Blockly.utils.Svg('feFlood');
-
-/** @type {!Blockly.utils.Svg<!SVGFEFuncAElement>}
- * @package
- */
-Blockly.utils.Svg.FEFUNCA =
-    new Blockly.utils.Svg('feFuncA');
-
-/** @type {!Blockly.utils.Svg<!SVGFEGaussianBlurElement>}
- * @package
- */
-Blockly.utils.Svg.FEGAUSSIANBLUR =
-    new Blockly.utils.Svg('feGaussianBlur');
-
-/** @type {!Blockly.utils.Svg<!SVGFEPointLightElement>}
- * @package
- */
-Blockly.utils.Svg.FEPOINTLIGHT =
-    new Blockly.utils.Svg('fePointLight');
-
-/** @type {!Blockly.utils.Svg<!SVGFESpecularLightingElement>}
- * @package
- */
-Blockly.utils.Svg.FESPECULARLIGHTING =
-    new Blockly.utils.Svg('feSpecularLighting');
-
-/** @type {!Blockly.utils.Svg<!SVGFilterElement>}
- * @package
- */
-Blockly.utils.Svg.FILTER =
-    new Blockly.utils.Svg('filter');
-
-/** @type {!Blockly.utils.Svg<!SVGForeignObjectElement>}
- * @package
- */
-Blockly.utils.Svg.FOREIGNOBJECT =
-    new Blockly.utils.Svg('foreignObject');
-
-/** @type {!Blockly.utils.Svg<!SVGGElement>}
- * @package
- */
-Blockly.utils.Svg.G =
-    new Blockly.utils.Svg('g');
-
-/** @type {!Blockly.utils.Svg<!SVGImageElement>}
- * @package
- */
-Blockly.utils.Svg.IMAGE =
-    new Blockly.utils.Svg('image');
-
-/** @type {!Blockly.utils.Svg<!SVGLineElement>}
- * @package
- */
-Blockly.utils.Svg.LINE =
-    new Blockly.utils.Svg('line');
-
-/** @type {!Blockly.utils.Svg<!SVGPathElement>}
- * @package
- */
-Blockly.utils.Svg.PATH =
-    new Blockly.utils.Svg('path');
-
-/** @type {!Blockly.utils.Svg<!SVGPatternElement>}
- * @package
- */
-Blockly.utils.Svg.PATTERN =
-    new Blockly.utils.Svg('pattern');
-
-/** @type {!Blockly.utils.Svg<!SVGPolygonElement>}
- * @package
- */
-Blockly.utils.Svg.POLYGON =
-    new Blockly.utils.Svg('polygon');
-
-/** @type {!Blockly.utils.Svg<!SVGRectElement>}
- * @package
- */
-Blockly.utils.Svg.RECT =
-    new Blockly.utils.Svg('rect');
-
-/** @type {!Blockly.utils.Svg<!SVGSVGElement>}
- * @package
- */
-Blockly.utils.Svg.SVG =
-    new Blockly.utils.Svg('svg');
-
-/** @type {!Blockly.utils.Svg<!SVGTextElement>}
- * @package
- */
-Blockly.utils.Svg.TEXT =
-    new Blockly.utils.Svg('text');
-
-/** @type {!Blockly.utils.Svg<!SVGTSpanElement>}
- * @package
- */
-Blockly.utils.Svg.TSPAN =
-    new Blockly.utils.Svg('tspan');
diff --git a/core/utils/svg.ts b/core/utils/svg.ts
new file mode 100644
index 00000000000..a44dc708651
--- /dev/null
+++ b/core/utils/svg.ts
@@ -0,0 +1,84 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Defines the Svg class. Its constants enumerate
+ * all SVG tag names used by Blockly.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.utils.Svg
+
+/**
+ * A name with the type of the SVG element stored in the generic.
+ */
+export class Svg<_T> {
+  /** @internal */
+  static ANIMATE = new Svg<SVGAnimateElement>('animate');
+  /** @internal */
+  static CIRCLE = new Svg<SVGCircleElement>('circle');
+  /** @internal */
+  static CLIPPATH = new Svg<SVGClipPathElement>('clipPath');
+  /** @internal */
+  static DEFS = new Svg<SVGDefsElement>('defs');
+  /** @internal */
+  static FECOMPOSITE = new Svg<SVGFECompositeElement>('feComposite');
+  /** @internal */
+  static FECOMPONENTTRANSFER = new Svg<SVGFEComponentTransferElement>(
+    'feComponentTransfer',
+  );
+  /** @internal */
+  static FEFLOOD = new Svg<SVGFEFloodElement>('feFlood');
+  /** @internal */
+  static FEFUNCA = new Svg<SVGFEFuncAElement>('feFuncA');
+  /** @internal */
+  static FEGAUSSIANBLUR = new Svg<SVGFEGaussianBlurElement>('feGaussianBlur');
+  /** @internal */
+  static FEPOINTLIGHT = new Svg<SVGFEPointLightElement>('fePointLight');
+  /** @internal */
+  static FESPECULARLIGHTING = new Svg<SVGFESpecularLightingElement>(
+    'feSpecularLighting',
+  );
+  /** @internal */
+  static FILTER = new Svg<SVGFilterElement>('filter');
+  /** @internal */
+  static FOREIGNOBJECT = new Svg<SVGForeignObjectElement>('foreignObject');
+  /** @internal */
+  static G = new Svg<SVGGElement>('g');
+  /** @internal */
+  static IMAGE = new Svg<SVGImageElement>('image');
+  /** @internal */
+  static LINE = new Svg<SVGLineElement>('line');
+  /** @internal */
+  static PATH = new Svg<SVGPathElement>('path');
+  /** @internal */
+  static PATTERN = new Svg<SVGPatternElement>('pattern');
+  /** @internal */
+  static POLYGON = new Svg<SVGPolygonElement>('polygon');
+  /** @internal */
+  static RECT = new Svg<SVGRectElement>('rect');
+  /** @internal */
+  static SVG = new Svg<SVGSVGElement>('svg');
+  /** @internal */
+  static TEXT = new Svg<SVGTextElement>('text');
+  /** @internal */
+  static TSPAN = new Svg<SVGTSpanElement>('tspan');
+
+  /**
+   * @param tagName The SVG element tag name.
+   * @internal
+   */
+  constructor(private readonly tagName: string) {}
+
+  /**
+   * Returns the SVG element tag name.
+   *
+   * @returns The name.
+   */
+  toString(): string {
+    return this.tagName;
+  }
+}
diff --git a/core/utils/svg_math.ts b/core/utils/svg_math.ts
new file mode 100644
index 00000000000..0444787add7
--- /dev/null
+++ b/core/utils/svg_math.ts
@@ -0,0 +1,208 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.svgMath
+
+import type {WorkspaceSvg} from '../workspace_svg.js';
+
+import {Coordinate} from './coordinate.js';
+import {Rect} from './rect.js';
+import * as style from './style.js';
+
+/**
+ * Static regex to pull the x,y values out of an SVG translate() directive.
+ * Note that Firefox and IE (9,10) return 'translate(12)' instead of
+ * 'translate(12, 0)'.
+ * Note that IE (9,10) returns 'translate(16 8)' instead of 'translate(16, 8)'.
+ * Note that IE has been reported to return scientific notation (0.123456e-42).
+ */
+const XY_REGEX = /translate\(\s*([-+\d.e]+)([ ,]\s*([-+\d.e]+)\s*)?/;
+
+/**
+ * Static regex to pull the x,y values out of a translate() or translate3d()
+ * style property.
+ * Accounts for same exceptions as XY_REGEX.
+ */
+const XY_STYLE_REGEX =
+  /transform:\s*translate(?:3d)?\(\s*([-+\d.e]+)\s*px([ ,]\s*([-+\d.e]+)\s*px)?/;
+
+/**
+ * Return the coordinates of the top-left corner of this element relative to
+ * its parent.  Only for SVG elements and children (e.g. rect, g, path).
+ *
+ * @param element SVG element to find the coordinates of.
+ * @returns Object with .x and .y properties.
+ */
+export function getRelativeXY(element: Element): Coordinate {
+  const xy = new Coordinate(0, 0);
+  // First, check for x and y attributes.
+  // Checking for the existence of x/y properties is faster than getAttribute.
+  // However, x/y contains an SVGAnimatedLength object, so rely on getAttribute
+  // to get the number.
+  const x = (element as any).x && element.getAttribute('x');
+  const y = (element as any).y && element.getAttribute('y');
+  if (x) {
+    xy.x = parseInt(x);
+  }
+  if (y) {
+    xy.y = parseInt(y);
+  }
+  // Second, check for transform="translate(...)" attribute.
+  const transform = element.getAttribute('transform');
+  const r = transform && transform.match(XY_REGEX);
+  if (r) {
+    xy.x += Number(r[1]);
+    if (r[3]) {
+      xy.y += Number(r[3]);
+    }
+  }
+
+  // Then check for style = transform: translate(...) or translate3d(...)
+  const style = element.getAttribute('style');
+  if (style && style.includes('translate')) {
+    const styleComponents = style.match(XY_STYLE_REGEX);
+    if (styleComponents) {
+      xy.x += Number(styleComponents[1]);
+      if (styleComponents[3]) {
+        xy.y += Number(styleComponents[3]);
+      }
+    }
+  }
+  return xy;
+}
+
+/**
+ * Return the coordinates of the top-left corner of this element relative to
+ * the div Blockly was injected into.
+ *
+ * @param element SVG element to find the coordinates of. If this is not a child
+ *     of the div Blockly was injected into, the behaviour is undefined.
+ * @returns Object with .x and .y properties.
+ */
+export function getInjectionDivXY(element: Element): Coordinate {
+  let x = 0;
+  let y = 0;
+  while (element) {
+    const xy = getRelativeXY(element);
+    x += xy.x;
+    y += xy.y;
+    const classes = element.getAttribute('class') || '';
+    if ((' ' + classes + ' ').includes(' injectionDiv ')) {
+      break;
+    }
+    element = element.parentNode as Element;
+  }
+  return new Coordinate(x, y);
+}
+
+/**
+ * Get the position of the current viewport in window coordinates.  This takes
+ * scroll into account.
+ *
+ * @returns An object containing window width, height, and scroll position in
+ *     window coordinates.
+ * @internal
+ */
+export function getViewportBBox(): Rect {
+  // Pixels, in window coordinates.
+  const scrollOffset = style.getViewportPageOffset();
+  return new Rect(
+    scrollOffset.y,
+    document.documentElement.clientHeight + scrollOffset.y,
+    scrollOffset.x,
+    document.documentElement.clientWidth + scrollOffset.x,
+  );
+}
+
+/**
+ * Gets the document scroll distance as a coordinate object.
+ * Copied from Closure's goog.dom.getDocumentScroll.
+ *
+ * @returns Object with values 'x' and 'y'.
+ */
+export function getDocumentScroll(): Coordinate {
+  const el = document.documentElement;
+  const win = window;
+  return new Coordinate(
+    win.pageXOffset || el.scrollLeft,
+    win.pageYOffset || el.scrollTop,
+  );
+}
+
+/**
+ * Converts screen coordinates to workspace coordinates.
+ *
+ * @param ws The workspace to find the coordinates on.
+ * @param screenCoordinates The screen coordinates to be converted to workspace
+ *     coordinates
+ * @returns The workspace coordinates.
+ */
+export function screenToWsCoordinates(
+  ws: WorkspaceSvg,
+  screenCoordinates: Coordinate,
+): Coordinate {
+  const screenX = screenCoordinates.x;
+  const screenY = screenCoordinates.y;
+
+  const injectionDiv = ws.getInjectionDiv();
+  // Bounding rect coordinates are in client coordinates, meaning that they
+  // are in pixels relative to the upper left corner of the visible browser
+  // window.  These coordinates change when you scroll the browser window.
+  const boundingRect = injectionDiv.getBoundingClientRect();
+
+  // The client coordinates offset by the injection div's upper left corner.
+  const clientOffsetPixels = new Coordinate(
+    screenX - boundingRect.left,
+    screenY - boundingRect.top,
+  );
+
+  // The offset in pixels between the main workspace's origin and the upper
+  // left corner of the injection div.
+  const mainOffsetPixels = ws.getOriginOffsetInPixels();
+
+  // The position of the new comment in pixels relative to the origin of the
+  // main workspace.
+  const finalOffsetPixels = Coordinate.difference(
+    clientOffsetPixels,
+    mainOffsetPixels,
+  );
+  // The position in main workspace coordinates.
+  const finalOffsetMainWs = finalOffsetPixels.scale(1 / ws.scale);
+  return finalOffsetMainWs;
+}
+
+/**
+ * Converts workspace coordinates to screen coordinates.
+ *
+ * @param ws The workspace to get the coordinates out of.
+ * @param workspaceCoordinates  The workspace coordinates to be converted
+ *     to screen coordinates.
+ * @returns The screen coordinates.
+ */
+export function wsToScreenCoordinates(
+  ws: WorkspaceSvg,
+  workspaceCoordinates: Coordinate,
+): Coordinate {
+  // Fix workspace scale vs browser scale.
+  const screenCoordinates = workspaceCoordinates.scale(ws.scale);
+  const screenX = screenCoordinates.x;
+  const screenY = screenCoordinates.y;
+
+  const injectionDiv = ws.getInjectionDiv();
+  const boundingRect = injectionDiv.getBoundingClientRect();
+  const mainOffset = ws.getOriginOffsetInPixels();
+
+  // Fix workspace origin vs browser origin.
+  return new Coordinate(
+    screenX + boundingRect.left + mainOffset.x,
+    screenY + boundingRect.top + mainOffset.y,
+  );
+}
+
+export const TEST_ONLY = {
+  XY_REGEX,
+  XY_STYLE_REGEX,
+};
diff --git a/core/utils/svg_paths.js b/core/utils/svg_paths.js
deleted file mode 100644
index d2066599a5f..00000000000
--- a/core/utils/svg_paths.js
+++ /dev/null
@@ -1,142 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Methods for creating parts of SVG path strings.  See
- * developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-/**
- * @name Blockly.utils.svgPaths
- * @namespace
- */
-goog.provide('Blockly.utils.svgPaths');
-
-
-/**
- * Create a string representing the given x, y pair.  It does not matter whether
- * the coordinate is relative or absolute.  The result has leading
- * and trailing spaces, and separates the x and y coordinates with a comma but
- * no space.
- * @param {number} x The x coordinate.
- * @param {number} y The y coordinate.
- * @return {string} A string of the format ' x,y '
- * @public
- */
-Blockly.utils.svgPaths.point = function(x, y) {
-  return ' ' + x + ',' + y + ' ';
-};
-
-/**
- * Draw a cubic or quadratic curve.  See
- * developer.mozilla.org/en-US/docs/Web/SVG/Attribute/d#Cubic_B%C3%A9zier_Curve
- * These coordinates are unitless and hence in the user coordinate system.
- * @param {string} command The command to use.
- *     Should be one of: c, C, s, S, q, Q.
- * @param {!Array.<string>} points  An array containing all of the points to pass to the
- *     curve command, in order.  The points are represented as strings of the
- *     format ' x, y '.
- * @return {string} A string defining one or more Bezier curves.  See the MDN
- *     documentation for exact format.
- * @public
- */
-Blockly.utils.svgPaths.curve = function(command, points) {
-  return ' ' + command + points.join('');
-};
-
-/**
- * Move the cursor to the given position without drawing a line.
- * The coordinates are absolute.
- * These coordinates are unitless and hence in the user coordinate system.
- * See developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths#Line_commands
- * @param {number} x The absolute x coordinate.
- * @param {number} y The absolute y coordinate.
- * @return {string} A string of the format ' M x,y '
- * @public
- */
-Blockly.utils.svgPaths.moveTo = function(x, y) {
-  return ' M ' + x + ',' + y + ' ';
-};
-
-/**
- * Move the cursor to the given position without drawing a line.
- * Coordinates are relative.
- * These coordinates are unitless and hence in the user coordinate system.
- * See developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths#Line_commands
- * @param {number} dx The relative x coordinate.
- * @param {number} dy The relative y coordinate.
- * @return {string} A string of the format ' m dx,dy '
- * @public
- */
-Blockly.utils.svgPaths.moveBy = function(dx, dy) {
-  return ' m ' + dx + ',' + dy + ' ';
-};
-
-/**
- * Draw a line from the current point to the end point, which is the current
- * point shifted by dx along the x-axis and dy along the y-axis.
- * These coordinates are unitless and hence in the user coordinate system.
- * See developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths#Line_commands
- * @param {number} dx The relative x coordinate.
- * @param {number} dy The relative y coordinate.
- * @return {string} A string of the format ' l dx,dy '
- * @public
- */
-Blockly.utils.svgPaths.lineTo = function(dx, dy) {
-  return ' l ' + dx + ',' + dy + ' ';
-};
-
-/**
- * Draw multiple lines connecting all of the given points in order.  This is
- * equivalent to a series of 'l' commands.
- * These coordinates are unitless and hence in the user coordinate system.
- * See developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths#Line_commands
- * @param {!Array.<string>} points An array containing all of the points to
- *     draw lines to, in order.  The points are represented as strings of the
- *     format ' dx,dy '.
- * @return {string} A string of the format ' l (dx,dy)+ '
- * @public
- */
-Blockly.utils.svgPaths.line = function(points) {
-  return ' l' + points.join('');
-};
-
-/**
- * Draw a horizontal or vertical line.
- * The first argument specifies the direction and whether the given position is
- * relative or absolute.
- * These coordinates are unitless and hence in the user coordinate system.
- * See developer.mozilla.org/en-US/docs/Web/SVG/Attribute/d#LineTo_path_commands
- * @param {string} command The command to prepend to the coordinate.  This
- *     should be one of: V, v, H, h.
- * @param {number} val The coordinate to pass to the command.  It may be
- *     absolute or relative.
- * @return {string} A string of the format ' command val '
- * @public
- */
-Blockly.utils.svgPaths.lineOnAxis = function(command, val) {
-  return ' ' + command + ' ' + val + ' ';
-};
-
-/**
- * Draw an elliptical arc curve.
- * These coordinates are unitless and hence in the user coordinate system.
- * See developer.mozilla.org/en-US/docs/Web/SVG/Attribute/d#Elliptical_Arc_Curve
- * @param {string} command The command string.  Either 'a' or 'A'.
- * @param {string} flags The flag string.  See the MDN documentation for a
- *     description and examples.
- * @param {number} radius The radius of the arc to draw.
- * @param {string} point The point to move the cursor to after drawing the arc,
- *     specified either in absolute or relative coordinates depending on the
- *     command.
- * @return {string} A string of the format 'command radius radius flags point'
- * @public
- */
-Blockly.utils.svgPaths.arc = function(command, flags, radius, point) {
-  return command + ' ' + radius + ' ' + radius + ' ' + flags + point;
-};
diff --git a/core/utils/svg_paths.ts b/core/utils/svg_paths.ts
new file mode 100644
index 00000000000..6cc5dc5dabe
--- /dev/null
+++ b/core/utils/svg_paths.ts
@@ -0,0 +1,133 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.svgPaths
+
+/**
+ * Create a string representing the given x, y pair.  It does not matter whether
+ * the coordinate is relative or absolute.  The result has leading
+ * and trailing spaces, and separates the x and y coordinates with a comma but
+ * no space.
+ *
+ * @param x The x coordinate.
+ * @param y The y coordinate.
+ * @returns A string of the format ' x,y '
+ */
+export function point(x: number, y: number): string {
+  return ' ' + x + ',' + y + ' ';
+}
+
+/**
+ * Draw a cubic or quadratic curve.  See
+ * developer.mozilla.org/en-US/docs/Web/SVG/Attribute/d#Cubic_B%C3%A9zier_Curve
+ * These coordinates are unitless and hence in the user coordinate system.
+ *
+ * @param command The command to use.
+ *     Should be one of: c, C, s, S, q, Q.
+ * @param points  An array containing all of the points to pass to the curve
+ *     command, in order.  The points are represented as strings of the format '
+ *     x, y '.
+ * @returns A string defining one or more Bezier curves.  See the MDN
+ *     documentation for exact format.
+ */
+export function curve(command: string, points: string[]): string {
+  return ' ' + command + points.join('');
+}
+
+/**
+ * Move the cursor to the given position without drawing a line.
+ * The coordinates are absolute.
+ * These coordinates are unitless and hence in the user coordinate system.
+ * See developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths#Line_commands
+ *
+ * @param x The absolute x coordinate.
+ * @param y The absolute y coordinate.
+ * @returns A string of the format ' M x,y '
+ */
+export function moveTo(x: number, y: number): string {
+  return ' M ' + x + ',' + y + ' ';
+}
+
+/**
+ * Move the cursor to the given position without drawing a line.
+ * Coordinates are relative.
+ * These coordinates are unitless and hence in the user coordinate system.
+ * See developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths#Line_commands
+ *
+ * @param dx The relative x coordinate.
+ * @param dy The relative y coordinate.
+ * @returns A string of the format ' m dx,dy '
+ */
+export function moveBy(dx: number, dy: number): string {
+  return ' m ' + dx + ',' + dy + ' ';
+}
+
+/**
+ * Draw a line from the current point to the end point, which is the current
+ * point shifted by dx along the x-axis and dy along the y-axis.
+ * These coordinates are unitless and hence in the user coordinate system.
+ * See developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths#Line_commands
+ *
+ * @param dx The relative x coordinate.
+ * @param dy The relative y coordinate.
+ * @returns A string of the format ' l dx,dy '
+ */
+export function lineTo(dx: number, dy: number): string {
+  return ' l ' + dx + ',' + dy + ' ';
+}
+
+/**
+ * Draw multiple lines connecting all of the given points in order.  This is
+ * equivalent to a series of 'l' commands.
+ * These coordinates are unitless and hence in the user coordinate system.
+ * See developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths#Line_commands
+ *
+ * @param points An array containing all of the points to draw lines to, in
+ *     order.  The points are represented as strings of the format ' dx,dy '.
+ * @returns A string of the format ' l (dx,dy)+ '
+ */
+export function line(points: string[]): string {
+  return ' l' + points.join('');
+}
+
+/**
+ * Draw a horizontal or vertical line.
+ * The first argument specifies the direction and whether the given position is
+ * relative or absolute.
+ * These coordinates are unitless and hence in the user coordinate system.
+ * See developer.mozilla.org/en-US/docs/Web/SVG/Attribute/d#LineTo_path_commands
+ *
+ * @param command The command to prepend to the coordinate.  This should be one
+ *     of: V, v, H, h.
+ * @param val The coordinate to pass to the command.  It may be absolute or
+ *     relative.
+ * @returns A string of the format ' command val '
+ */
+export function lineOnAxis(command: string, val: number): string {
+  return ' ' + command + ' ' + val + ' ';
+}
+
+/**
+ * Draw an elliptical arc curve.
+ * These coordinates are unitless and hence in the user coordinate system.
+ * See developer.mozilla.org/en-US/docs/Web/SVG/Attribute/d#Elliptical_Arc_Curve
+ *
+ * @param command The command string.  Either 'a' or 'A'.
+ * @param flags The flag string.  See the MDN documentation for a description
+ *     and examples.
+ * @param radius The radius of the arc to draw.
+ * @param point The point to move the cursor to after drawing the arc, specified
+ *     either in absolute or relative coordinates depending on the command.
+ * @returns A string of the format 'command radius radius flags point'
+ */
+export function arc(
+  command: string,
+  flags: string,
+  radius: number,
+  point: string,
+): string {
+  return command + ' ' + radius + ' ' + radius + ' ' + flags + point;
+}
diff --git a/core/utils/toolbox.js b/core/utils/toolbox.js
deleted file mode 100644
index 27b76b26211..00000000000
--- a/core/utils/toolbox.js
+++ /dev/null
@@ -1,401 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utility functions for the toolbox and flyout.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-'use strict';
-
-goog.provide('Blockly.utils.toolbox');
-
-
-goog.requireType('Blockly.ToolboxCategory');
-goog.requireType('Blockly.ToolboxSeparator');
-
-/**
- * The information needed to create a block in the toolbox.
- * @typedef {{
- *            kind:string,
- *            blockxml:(?string|Node),
- *            type: ?string,
- *            gap: (?string|?number),
- *            disabled: (?string|?boolean)
- *          }}
- */
-Blockly.utils.toolbox.BlockInfo;
-
-/**
- * The information needed to create a separator in the toolbox.
- * @typedef {{
- *            kind:string,
- *            id:?string,
- *            gap:?number,
- *            cssconfig:?Blockly.ToolboxSeparator.CssConfig
- *          }}
- */
-Blockly.utils.toolbox.SeparatorInfo;
-
-/**
- * The information needed to create a button in the toolbox.
- * @typedef {{
- *            kind:string,
- *            text:string,
- *            callbackkey:string
- *          }}
- */
-Blockly.utils.toolbox.ButtonInfo;
-
-/**
- * The information needed to create a label in the toolbox.
- * @typedef {{
- *            kind:string,
- *            id:?string,
- *            text:string
- *          }}
- */
-Blockly.utils.toolbox.LabelInfo;
-
-/**
- * The information needed to create either a button or a label in the flyout.
- * @typedef {Blockly.utils.toolbox.ButtonInfo|
- *           Blockly.utils.toolbox.LabelInfo}
- */
-Blockly.utils.toolbox.ButtonOrLabelInfo;
-
-/**
- * The information needed to create a category in the toolbox.
- * @typedef {{
- *            kind:string,
- *            name:string,
- *            id:?string,
- *            categorystyle:?string,
- *            colour:?string,
- *            cssconfig:?Blockly.ToolboxCategory.CssConfig,
- *            contents:!Array<Blockly.utils.toolbox.ToolboxItemInfo>,
- *            hidden:?string
- *          }}
- */
-Blockly.utils.toolbox.StaticCategoryInfo;
-
-/**
- * The information needed to create a custom category.
- * @typedef {{
- *            kind:string,
- *            custom:string,
- *            id:?string,
- *            categorystyle:?string,
- *            colour:?string,
- *            cssconfig:?Blockly.ToolboxCategory.CssConfig,
- *            hidden:?string
- *          }}
- */
-Blockly.utils.toolbox.DynamicCategoryInfo;
-
-/**
- * The information needed to create either a dynamic or static category.
- * @typedef {Blockly.utils.toolbox.StaticCategoryInfo|
- *           Blockly.utils.toolbox.DynamicCategoryInfo}
- */
-Blockly.utils.toolbox.CategoryInfo;
-
-/**
- * Any information that can be used to create an item in the toolbox.
- * @typedef {Blockly.utils.toolbox.FlyoutItemInfo|
- *           Blockly.utils.toolbox.StaticCategoryInfo}
- */
-Blockly.utils.toolbox.ToolboxItemInfo;
-
-/**
- * All the different types that can be displayed in a flyout.
- * @typedef {Blockly.utils.toolbox.BlockInfo|
- *           Blockly.utils.toolbox.SeparatorInfo|
- *           Blockly.utils.toolbox.ButtonInfo|
- *           Blockly.utils.toolbox.LabelInfo|
- *           Blockly.utils.toolbox.DynamicCategoryInfo}
- */
-Blockly.utils.toolbox.FlyoutItemInfo;
-
-/**
- * The JSON definition of a toolbox.
- * @typedef {{
- *            contents:!Array<Blockly.utils.toolbox.ToolboxItemInfo>
- *          }}
- */
-Blockly.utils.toolbox.ToolboxInfo;
-
-/**
- * An array holding flyout items.
- * @typedef {
- *            Array<!Blockly.utils.toolbox.FlyoutItemInfo>
- *          }
- */
-Blockly.utils.toolbox.FlyoutItemInfoArray;
-
-/**
- * All of the different types that can create a toolbox.
- * @typedef {Node|
- *           Blockly.utils.toolbox.ToolboxInfo|
- *           string}
- */
-Blockly.utils.toolbox.ToolboxDefinition;
-
-/**
- * All of the different types that can be used to show items in a flyout.
- * @typedef {Blockly.utils.toolbox.FlyoutItemInfoArray|
- *           NodeList|
- *           Blockly.utils.toolbox.ToolboxInfo|
- *           Array<!Node>}
- */
-Blockly.utils.toolbox.FlyoutDefinition;
-
-/**
- * The name used to identify a toolbox that has category like items.
- * This only needs to be used if a toolbox wants to be treated like a category
- * toolbox but does not actually contain any toolbox items with the kind
- * 'category'.
- * @const {string}
- */
-Blockly.utils.toolbox.CATEGORY_TOOLBOX_KIND = 'categoryToolbox';
-
-/**
- * The name used to identify a toolbox that has no categories and is displayed
- * as a simple flyout displaying blocks, buttons, or labels.
- * @const {string}
- */
-Blockly.utils.toolbox.FLYOUT_TOOLBOX_KIND = 'flyoutToolbox';
-
-/**
- * Position of the the toolbox relative to the flyout.
- * @enum {number}
- */
-Blockly.utils.toolbox.Position = {
-  TOP: Blockly.TOOLBOX_AT_TOP,
-  BOTTOM: Blockly.TOOLBOX_AT_BOTTOM,
-  LEFT: Blockly.TOOLBOX_AT_LEFT,
-  RIGHT: Blockly.TOOLBOX_AT_RIGHT
-};
-
-/**
- * Converts the toolbox definition into toolbox JSON.
- * @param {?Blockly.utils.toolbox.ToolboxDefinition} toolboxDef The definition
- *     of the toolbox in one of its many forms.
- * @return {?Blockly.utils.toolbox.ToolboxInfo} Object holding information
- *     for creating a toolbox.
- * @package
- */
-Blockly.utils.toolbox.convertToolboxDefToJson = function(toolboxDef) {
-  if (!toolboxDef) {
-    return null;
-  }
-
-  if (toolboxDef instanceof Element || typeof toolboxDef == 'string') {
-    toolboxDef = Blockly.utils.toolbox.parseToolboxTree(toolboxDef);
-    toolboxDef = Blockly.utils.toolbox.convertToToolboxJson_(toolboxDef);
-  }
-
-  var toolboxJson = /** @type {Blockly.utils.toolbox.ToolboxInfo} */ (toolboxDef);
-  Blockly.utils.toolbox.validateToolbox_(toolboxJson);
-  return toolboxJson;
-};
-
-/**
- * Validates the toolbox JSON fields have been set correctly.
- * @param {Blockly.utils.toolbox.ToolboxInfo} toolboxJson Object holding
- *     information for creating a toolbox.
- * @throws {Error} if the toolbox is not the correct format.
- * @private
- */
-Blockly.utils.toolbox.validateToolbox_ = function(toolboxJson) {
-  var toolboxKind = toolboxJson['kind'];
-  var toolboxContents = toolboxJson['contents'];
-
-  if (toolboxKind) {
-    if (toolboxKind != Blockly.utils.toolbox.FLYOUT_TOOLBOX_KIND &&
-      toolboxKind != Blockly.utils.toolbox.CATEGORY_TOOLBOX_KIND) {
-      throw Error('Invalid toolbox kind ' + toolboxKind + '.' +
-        ' Please supply either ' +
-        Blockly.utils.toolbox.FLYOUT_TOOLBOX_KIND + ' or ' +
-        Blockly.utils.toolbox.CATEGORY_TOOLBOX_KIND);
-    }
-  }
-  if (!toolboxContents) {
-    throw Error('Toolbox must have a contents attribute.');
-  }
-};
-
-/**
- * Converts the flyout definition into a list of flyout items.
- * @param {?Blockly.utils.toolbox.FlyoutDefinition} flyoutDef The definition of
- *    the flyout in one of its many forms.
- * @return {!Blockly.utils.toolbox.FlyoutItemInfoArray} A list of flyout items.
- * @package
- */
-Blockly.utils.toolbox.convertFlyoutDefToJsonArray = function(flyoutDef) {
-  if (!flyoutDef) {
-    return [];
-  }
-
-  if (flyoutDef['contents']) {
-    return flyoutDef['contents'];
-  }
-
-  // If it is already in the correct format return the flyoutDef.
-  if (Array.isArray(flyoutDef) && flyoutDef.length > 0 &&
-      !flyoutDef[0].nodeType) {
-    return flyoutDef;
-  }
-
-  return Blockly.utils.toolbox.xmlToJsonArray_(
-      /** @type {!Array<Node>|!NodeList} */ (flyoutDef));
-};
-
-/**
- * Whether or not the toolbox definition has categories.
- * @param {?Blockly.utils.toolbox.ToolboxInfo} toolboxJson Object holding
- *     information for creating a toolbox.
- * @return {boolean} True if the toolbox has categories.
- * @package
- */
-Blockly.utils.toolbox.hasCategories = function(toolboxJson) {
-  if (!toolboxJson) {
-    return false;
-  }
-
-  var toolboxKind = toolboxJson['kind'];
-  if (toolboxKind) {
-    return toolboxKind == Blockly.utils.toolbox.CATEGORY_TOOLBOX_KIND;
-  }
-
-  var categories = toolboxJson['contents'].filter(function(item) {
-    return item['kind'].toUpperCase() == 'CATEGORY';
-  });
-  return !!categories.length;
-};
-
-/**
- * Whether or not the category is collapsible.
- * @param {!Blockly.utils.toolbox.CategoryInfo} categoryInfo Object holing
- *    information for creating a category.
- * @return {boolean} True if the category has subcategories.
- * @package
- */
-Blockly.utils.toolbox.isCategoryCollapsible = function(categoryInfo) {
-  if (!categoryInfo || !categoryInfo['contents']) {
-    return false;
-  }
-
-  var categories = categoryInfo['contents'].filter(function(item) {
-    return item['kind'].toUpperCase() == 'CATEGORY';
-  });
-  return !!categories.length;
-};
-
-/**
- * Parses the provided toolbox definition into a consistent format.
- * @param {Node} toolboxDef The definition of the toolbox in one of its many forms.
- * @return {!Blockly.utils.toolbox.ToolboxInfo} Object holding information
- *     for creating a toolbox.
- * @private
- */
-Blockly.utils.toolbox.convertToToolboxJson_ = function(toolboxDef) {
-  var contents = Blockly.utils.toolbox.xmlToJsonArray_(
-      /** @type {!Node|!Array<Node>} */ (toolboxDef));
-  var toolboxJson = {'contents': contents};
-  if (toolboxDef instanceof Node) {
-    Blockly.utils.toolbox.addAttributes_(toolboxDef, toolboxJson);
-  }
-  return toolboxJson;
-};
-
-/**
- * Converts the xml for a toolbox to JSON.
- * @param {!Node|!Array<Node>|!NodeList} toolboxDef The
- *     definition of the toolbox in one of its many forms.
- * @return {!Blockly.utils.toolbox.FlyoutItemInfoArray|
- *          !Array<Blockly.utils.toolbox.ToolboxItemInfo>} A list of objects in
- *          the toolbox.
- * @private
- */
-Blockly.utils.toolbox.xmlToJsonArray_ = function(toolboxDef) {
-  var arr = [];
-  // If it is a node it will have children.
-  var childNodes = toolboxDef.childNodes;
-  if (!childNodes) {
-    // Otherwise the toolboxDef is an array or collection.
-    childNodes = toolboxDef;
-  }
-  for (var i = 0, child; (child = childNodes[i]); i++) {
-    if (!child.tagName) {
-      continue;
-    }
-    var obj = {};
-    var tagName = child.tagName.toUpperCase();
-    obj['kind'] = tagName;
-
-    // Store the xml for a block
-    if (tagName == 'BLOCK') {
-      obj['blockxml'] = child;
-    } else if (tagName == 'CATEGORY') {
-      // Get the contents of a category
-      obj['contents'] = Blockly.utils.toolbox.xmlToJsonArray_(child);
-    }
-
-    // Add xml attributes to object
-    Blockly.utils.toolbox.addAttributes_(child, obj);
-    arr.push(obj);
-  }
-  return arr;
-};
-
-/**
- * Adds the attributes on the node to the given object.
- * @param {!Node} node The node to copy the attributes from.
- * @param {!Object} obj The object to copy the attributes to.
- * @private
- */
-Blockly.utils.toolbox.addAttributes_ = function(node, obj) {
-  for (var j = 0; j < node.attributes.length; j++) {
-    var attr = node.attributes[j];
-    if (attr.nodeName.indexOf('css-') > -1) {
-      obj['cssconfig'] = obj['cssconfig'] || {};
-      obj['cssconfig'][attr.nodeName.replace('css-', '')] = attr.value;
-    } else {
-      obj[attr.nodeName] = attr.value;
-    }
-  }
-};
-
-/**
- * Parse the provided toolbox tree into a consistent DOM format.
- * @param {?Node|?string} toolboxDef DOM tree of blocks, or text representation
- *    of same.
- * @return {?Node} DOM tree of blocks, or null.
- */
-Blockly.utils.toolbox.parseToolboxTree = function(toolboxDef) {
-  if (toolboxDef) {
-    if (typeof toolboxDef != 'string') {
-      if (Blockly.utils.userAgent.IE && toolboxDef.outerHTML) {
-        // In this case the tree will not have been properly built by the
-        // browser. The HTML will be contained in the element, but it will
-        // not have the proper DOM structure since the browser doesn't support
-        // XSLTProcessor (XML -> HTML).
-        toolboxDef = toolboxDef.outerHTML;
-      } else if (!(toolboxDef instanceof Element)) {
-        toolboxDef = null;
-      }
-    }
-    if (typeof toolboxDef == 'string') {
-      toolboxDef = Blockly.Xml.textToDom(toolboxDef);
-      if (toolboxDef.nodeName.toLowerCase() != 'xml') {
-        throw TypeError('Toolbox should be an <xml> document.');
-      }
-    }
-  } else {
-    toolboxDef = null;
-  }
-  return toolboxDef;
-};
diff --git a/core/utils/toolbox.ts b/core/utils/toolbox.ts
new file mode 100644
index 00000000000..fbf031ac612
--- /dev/null
+++ b/core/utils/toolbox.ts
@@ -0,0 +1,419 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.toolbox
+
+import type {ConnectionState} from '../serialization/blocks.js';
+import type {CssConfig as CategoryCssConfig} from '../toolbox/category.js';
+import type {CssConfig as SeparatorCssConfig} from '../toolbox/separator.js';
+import * as utilsXml from './xml.js';
+
+/**
+ * The information needed to create a block in the toolbox.
+ * Note that disabled has a different type for backwards compatibility.
+ */
+export interface BlockInfo {
+  kind: string;
+  blockxml?: string | Node;
+  type?: string;
+  gap?: string | number;
+  disabled?: string | boolean;
+  disabledReasons?: string[];
+  enabled?: boolean;
+  id?: string;
+  x?: number;
+  y?: number;
+  collapsed?: boolean;
+  inline?: boolean;
+  data?: string;
+  extraState?: AnyDuringMigration;
+  icons?: {[key: string]: AnyDuringMigration};
+  fields?: {[key: string]: AnyDuringMigration};
+  inputs?: {[key: string]: ConnectionState};
+  next?: ConnectionState;
+}
+
+/**
+ * The information needed to create a separator in the toolbox.
+ */
+export interface SeparatorInfo {
+  kind: string;
+  id: string | undefined;
+  gap: number | undefined;
+  cssconfig: SeparatorCssConfig | undefined;
+}
+
+/**
+ * The information needed to create a button in the toolbox.
+ */
+export interface ButtonInfo {
+  kind: string;
+  text: string;
+  callbackkey: string;
+}
+
+/**
+ * The information needed to create a label in the toolbox.
+ */
+export interface LabelInfo {
+  kind: string;
+  text: string;
+  id: string | undefined;
+}
+
+/**
+ * The information needed to create either a button or a label in the flyout.
+ */
+export type ButtonOrLabelInfo = ButtonInfo | LabelInfo;
+
+/**
+ * The information needed to create a category in the toolbox.
+ */
+export interface StaticCategoryInfo {
+  kind: string;
+  name: string;
+  contents: ToolboxItemInfo[];
+  id: string | undefined;
+  categorystyle: string | undefined;
+  colour: string | undefined;
+  cssconfig: CategoryCssConfig | undefined;
+  hidden: string | undefined;
+  expanded?: string | boolean;
+}
+
+/**
+ * The information needed to create a custom category.
+ */
+export interface DynamicCategoryInfo {
+  kind: string;
+  custom: string;
+  id: string | undefined;
+  categorystyle: string | undefined;
+  colour: string | undefined;
+  cssconfig: CategoryCssConfig | undefined;
+  hidden: string | undefined;
+  expanded?: string | boolean;
+}
+
+/**
+ * The information needed to create either a dynamic or static category.
+ */
+export type CategoryInfo = StaticCategoryInfo | DynamicCategoryInfo;
+
+/**
+ * Any information that can be used to create an item in the toolbox.
+ */
+export type ToolboxItemInfo = FlyoutItemInfo | StaticCategoryInfo;
+
+/**
+ * All the different types that can be displayed in a flyout.
+ */
+export type FlyoutItemInfo =
+  | BlockInfo
+  | SeparatorInfo
+  | ButtonInfo
+  | LabelInfo
+  | DynamicCategoryInfo;
+
+/**
+ * The JSON definition of a toolbox.
+ */
+export interface ToolboxInfo {
+  kind?: string;
+  contents: ToolboxItemInfo[];
+}
+
+/**
+ * An array holding flyout items.
+ */
+export type FlyoutItemInfoArray = FlyoutItemInfo[];
+
+/**
+ * All of the different types that can create a toolbox.
+ */
+export type ToolboxDefinition = Node | ToolboxInfo | string;
+
+/**
+ * All of the different types that can be used to show items in a flyout.
+ */
+export type FlyoutDefinition =
+  | FlyoutItemInfoArray
+  | NodeList
+  | ToolboxInfo
+  | Node[];
+
+/**
+ * The name used to identify a toolbox that has category like items.
+ * This only needs to be used if a toolbox wants to be treated like a category
+ * toolbox but does not actually contain any toolbox items with the kind
+ * 'category'.
+ */
+const CATEGORY_TOOLBOX_KIND = 'categoryToolbox';
+
+/**
+ * The name used to identify a toolbox that has no categories and is displayed
+ * as a simple flyout displaying blocks, buttons, or labels.
+ */
+const FLYOUT_TOOLBOX_KIND = 'flyoutToolbox';
+
+/**
+ * Position of the toolbox and/or flyout relative to the workspace.
+ */
+export enum Position {
+  TOP,
+  BOTTOM,
+  LEFT,
+  RIGHT,
+}
+
+/**
+ * Converts the toolbox definition into toolbox JSON.
+ *
+ * @param toolboxDef The definition of the toolbox in one of its many forms.
+ * @returns Object holding information for creating a toolbox.
+ * @internal
+ */
+export function convertToolboxDefToJson(
+  toolboxDef: ToolboxDefinition | null,
+): ToolboxInfo | null {
+  if (!toolboxDef) {
+    return null;
+  }
+
+  if (toolboxDef instanceof Element || typeof toolboxDef === 'string') {
+    toolboxDef = parseToolboxTree(toolboxDef);
+    // AnyDuringMigration because:  Argument of type 'Node | null' is not
+    // assignable to parameter of type 'Node'.
+    toolboxDef = convertToToolboxJson(toolboxDef as AnyDuringMigration);
+  }
+
+  const toolboxJson = toolboxDef as ToolboxInfo;
+  validateToolbox(toolboxJson);
+  return toolboxJson;
+}
+
+/**
+ * Validates the toolbox JSON fields have been set correctly.
+ *
+ * @param toolboxJson Object holding information for creating a toolbox.
+ * @throws {Error} if the toolbox is not the correct format.
+ */
+function validateToolbox(toolboxJson: ToolboxInfo) {
+  const toolboxKind = toolboxJson['kind'];
+  const toolboxContents = toolboxJson['contents'];
+
+  if (toolboxKind) {
+    if (
+      toolboxKind !== FLYOUT_TOOLBOX_KIND &&
+      toolboxKind !== CATEGORY_TOOLBOX_KIND
+    ) {
+      throw Error(
+        'Invalid toolbox kind ' +
+          toolboxKind +
+          '.' +
+          ' Please supply either ' +
+          FLYOUT_TOOLBOX_KIND +
+          ' or ' +
+          CATEGORY_TOOLBOX_KIND,
+      );
+    }
+  }
+  if (!toolboxContents) {
+    throw Error('Toolbox must have a contents attribute.');
+  }
+}
+
+/**
+ * Converts the flyout definition into a list of flyout items.
+ *
+ * @param flyoutDef The definition of the flyout in one of its many forms.
+ * @returns A list of flyout items.
+ * @internal
+ */
+export function convertFlyoutDefToJsonArray(
+  flyoutDef: FlyoutDefinition | null,
+): FlyoutItemInfoArray {
+  if (!flyoutDef) {
+    return [];
+  }
+
+  if ((flyoutDef as AnyDuringMigration)['contents']) {
+    return (flyoutDef as AnyDuringMigration)['contents'];
+  }
+  // If it is already in the correct format return the flyoutDef.
+  // AnyDuringMigration because:  Property 'nodeType' does not exist on type
+  // 'Node | FlyoutItemInfo'.
+  if (
+    Array.isArray(flyoutDef) &&
+    flyoutDef.length > 0 &&
+    !(flyoutDef[0] as AnyDuringMigration).nodeType
+  ) {
+    // AnyDuringMigration because:  Type 'FlyoutItemInfoArray | Node[]' is not
+    // assignable to type 'FlyoutItemInfoArray'.
+    return flyoutDef as AnyDuringMigration;
+  }
+
+  // AnyDuringMigration because:  Type 'ToolboxItemInfo[] | FlyoutItemInfoArray'
+  // is not assignable to type 'FlyoutItemInfoArray'.
+  return xmlToJsonArray(flyoutDef as Node[] | NodeList) as AnyDuringMigration;
+}
+
+/**
+ * Whether or not the toolbox definition has categories.
+ *
+ * @param toolboxJson Object holding information for creating a toolbox.
+ * @returns True if the toolbox has categories.
+ * @internal
+ */
+export function hasCategories(toolboxJson: ToolboxInfo | null): boolean {
+  return TEST_ONLY.hasCategoriesInternal(toolboxJson);
+}
+
+/**
+ * Private version of hasCategories for stubbing in tests.
+ */
+function hasCategoriesInternal(toolboxJson: ToolboxInfo | null): boolean {
+  if (!toolboxJson) {
+    return false;
+  }
+
+  const toolboxKind = toolboxJson['kind'];
+  if (toolboxKind) {
+    return toolboxKind === CATEGORY_TOOLBOX_KIND;
+  }
+
+  const categories = toolboxJson['contents'].filter(function (item) {
+    return item['kind'].toUpperCase() === 'CATEGORY';
+  });
+  return !!categories.length;
+}
+
+/**
+ * Whether or not the category is collapsible.
+ *
+ * @param categoryInfo Object holing information for creating a category.
+ * @returns True if the category has subcategories.
+ * @internal
+ */
+export function isCategoryCollapsible(categoryInfo: CategoryInfo): boolean {
+  if (!categoryInfo || !(categoryInfo as AnyDuringMigration)['contents']) {
+    return false;
+  }
+
+  const categories = (categoryInfo as AnyDuringMigration)['contents'].filter(
+    function (item: AnyDuringMigration) {
+      return item['kind'].toUpperCase() === 'CATEGORY';
+    },
+  );
+  return !!categories.length;
+}
+
+/**
+ * Parses the provided toolbox definition into a consistent format.
+ *
+ * @param toolboxDef The definition of the toolbox in one of its many forms.
+ * @returns Object holding information for creating a toolbox.
+ */
+function convertToToolboxJson(toolboxDef: Node): ToolboxInfo {
+  const contents = xmlToJsonArray(toolboxDef as Node | Node[]);
+  const toolboxJson = {'contents': contents};
+  if (toolboxDef instanceof Node) {
+    addAttributes(toolboxDef, toolboxJson);
+  }
+  return toolboxJson;
+}
+
+/**
+ * Converts the xml for a toolbox to JSON.
+ *
+ * @param toolboxDef The definition of the toolbox in one of its many forms.
+ * @returns A list of objects in the toolbox.
+ */
+function xmlToJsonArray(
+  toolboxDef: Node | Node[] | NodeList,
+): FlyoutItemInfoArray | ToolboxItemInfo[] {
+  const arr = [];
+  // If it is a node it will have children.
+  // AnyDuringMigration because:  Property 'childNodes' does not exist on type
+  // 'Node | NodeList | Node[]'.
+  let childNodes = (toolboxDef as AnyDuringMigration).childNodes;
+  if (!childNodes) {
+    // Otherwise the toolboxDef is an array or collection.
+    childNodes = toolboxDef;
+  }
+  for (let i = 0, child; (child = childNodes[i]); i++) {
+    if (!child.tagName) {
+      continue;
+    }
+    const obj = {};
+    const tagName = child.tagName.toUpperCase();
+    (obj as AnyDuringMigration)['kind'] = tagName;
+
+    // Store the XML for a block.
+    if (tagName === 'BLOCK') {
+      (obj as AnyDuringMigration)['blockxml'] = child;
+    } else if (child.childNodes && child.childNodes.length > 0) {
+      // Get the contents of a category
+      (obj as AnyDuringMigration)['contents'] = xmlToJsonArray(child);
+    }
+
+    // Add XML attributes to object
+    addAttributes(child, obj);
+    arr.push(obj);
+  }
+  // AnyDuringMigration because:  Type '{}[]' is not assignable to type
+  // 'ToolboxItemInfo[] | FlyoutItemInfoArray'.
+  return arr as AnyDuringMigration;
+}
+
+/**
+ * Adds the attributes on the node to the given object.
+ *
+ * @param node The node to copy the attributes from.
+ * @param obj The object to copy the attributes to.
+ */
+function addAttributes(node: Node, obj: AnyDuringMigration) {
+  // AnyDuringMigration because:  Property 'attributes' does not exist on type
+  // 'Node'.
+  for (let j = 0; j < (node as AnyDuringMigration).attributes.length; j++) {
+    // AnyDuringMigration because:  Property 'attributes' does not exist on type
+    // 'Node'.
+    const attr = (node as AnyDuringMigration).attributes[j];
+    if (attr.nodeName.includes('css-')) {
+      obj['cssconfig'] = obj['cssconfig'] || {};
+      obj['cssconfig'][attr.nodeName.replace('css-', '')] = attr.value;
+    } else {
+      obj[attr.nodeName] = attr.value;
+    }
+  }
+}
+
+/**
+ * Parse the provided toolbox tree into a consistent DOM format.
+ *
+ * @param toolboxDef DOM tree of blocks, or text representation of same.
+ * @returns DOM tree of blocks, or null.
+ */
+export function parseToolboxTree(
+  toolboxDef: Element | null | string,
+): Element | null {
+  let parsedToolboxDef: Element | null = null;
+  if (toolboxDef) {
+    if (typeof toolboxDef === 'string') {
+      parsedToolboxDef = utilsXml.textToDom(toolboxDef);
+      if (parsedToolboxDef.nodeName.toLowerCase() !== 'xml') {
+        throw TypeError('Toolbox should be an <xml> document.');
+      }
+    } else if (toolboxDef instanceof Element) {
+      parsedToolboxDef = toolboxDef;
+    }
+  }
+  return parsedToolboxDef;
+}
+
+export const TEST_ONLY = {
+  hasCategoriesInternal,
+};
diff --git a/core/utils/useragent.js b/core/utils/useragent.js
deleted file mode 100644
index 84d036d57c8..00000000000
--- a/core/utils/useragent.js
+++ /dev/null
@@ -1,110 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Useragent detection.
- * These methods are not specific to Blockly, and could be factored out into
- * a JavaScript framework such as Closure.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.utils.userAgent
- * @namespace
- */
-goog.provide('Blockly.utils.userAgent');
-
-goog.require('Blockly.utils.global');
-
-/** @const {boolean} */
-Blockly.utils.userAgent.IE;
-
-/** @const {boolean} */
-Blockly.utils.userAgent.EDGE;
-
-/** @const {boolean} */
-Blockly.utils.userAgent.JAVA_FX;
-
-/** @const {boolean} */
-Blockly.utils.userAgent.CHROME;
-
-/** @const {boolean} */
-Blockly.utils.userAgent.WEBKIT;
-
-/** @const {boolean} */
-Blockly.utils.userAgent.GECKO;
-
-/** @const {boolean} */
-Blockly.utils.userAgent.ANDROID;
-
-/** @const {boolean} */
-Blockly.utils.userAgent.IPAD;
-
-/** @const {boolean} */
-Blockly.utils.userAgent.IPOD;
-
-/** @const {boolean} */
-Blockly.utils.userAgent.IPHONE;
-
-/** @const {boolean} */
-Blockly.utils.userAgent.MAC;
-
-/** @const {boolean} */
-Blockly.utils.userAgent.TABLET;
-
-/** @const {boolean} */
-Blockly.utils.userAgent.MOBILE;
-
-(function(raw) {
-  Blockly.utils.userAgent.raw = raw;
-  var rawUpper = Blockly.utils.userAgent.raw.toUpperCase();
-  /**
-   * Case-insensitive test of whether name is in the useragent string.
-   * @param {string} name Name to test.
-   * @return {boolean} True if name is present.
-   */
-  function has(name) {
-    return rawUpper.indexOf(name.toUpperCase()) != -1;
-  }
-
-  // Browsers.  Logic from:
-  // https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/browser.js
-  Blockly.utils.userAgent.IE = has('Trident') || has('MSIE');
-  Blockly.utils.userAgent.EDGE = has('Edge');
-  // Useragent for JavaFX:
-  // Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.44
-  //     (KHTML, like Gecko) JavaFX/8.0 Safari/537.44
-  Blockly.utils.userAgent.JAVA_FX = has('JavaFX');
-  Blockly.utils.userAgent.CHROME = (has('Chrome') || has('CriOS')) &&
-        !Blockly.utils.userAgent.EDGE;
-
-  // Engines.  Logic from:
-  // https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/engine.js
-  Blockly.utils.userAgent.WEBKIT = has('WebKit') &&
-      !Blockly.utils.userAgent.EDGE;
-  Blockly.utils.userAgent.GECKO = has('Gecko') &&
-      !Blockly.utils.userAgent.WEBKIT &&
-      !Blockly.utils.userAgent.IE &&
-      !Blockly.utils.userAgent.EDGE;
-
-  // Platforms.  Logic from:
-  // https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/platform.js
-  Blockly.utils.userAgent.ANDROID = has('Android');
-  Blockly.utils.userAgent.IPAD = has('iPad');
-  Blockly.utils.userAgent.IPOD = has('iPod');
-  Blockly.utils.userAgent.IPHONE = has('iPhone') &&
-      !Blockly.utils.userAgent.IPAD && !Blockly.utils.userAgent.IPOD;
-  Blockly.utils.userAgent.MAC = has('Macintosh');
-
-  // Devices.  Logic from:
-  // https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/device.js
-  Blockly.utils.userAgent.TABLET = Blockly.utils.userAgent.IPAD ||
-      (Blockly.utils.userAgent.ANDROID && !has('Mobile')) || has('Silk');
-  Blockly.utils.userAgent.MOBILE = !Blockly.utils.userAgent.TABLET &&
-      (Blockly.utils.userAgent.IPOD || Blockly.utils.userAgent.IPHONE ||
-       Blockly.utils.userAgent.ANDROID || has('IEMobile'));
-})((Blockly.utils.global.navigator && Blockly.utils.global.navigator.userAgent) || '');
diff --git a/core/utils/useragent.ts b/core/utils/useragent.ts
new file mode 100644
index 00000000000..92180c21db0
--- /dev/null
+++ b/core/utils/useragent.ts
@@ -0,0 +1,86 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.userAgent
+
+/** The raw useragent string. */
+let rawUserAgent: string;
+
+let isJavaFx: boolean;
+
+let isWebKit: boolean;
+
+let isGecko: boolean;
+
+let isAndroid: boolean;
+
+let isIPad: boolean;
+
+let isIPhone: boolean;
+
+let isMac: boolean;
+
+let isTablet: boolean;
+
+let isMobile: boolean;
+
+(function (raw) {
+  rawUserAgent = raw;
+  const rawUpper = rawUserAgent.toUpperCase();
+  /**
+   * Case-insensitive test of whether name is in the useragent string.
+   *
+   * @param name Name to test.
+   * @returns True if name is present.
+   */
+  function has(name: string): boolean {
+    return rawUpper.includes(name.toUpperCase());
+  }
+
+  // Browsers.  Logic from:
+  // https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/browser.js
+  // Useragent for JavaFX:
+  // Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.44
+  //     (KHTML, like Gecko) JavaFX/8.0 Safari/537.44
+  isJavaFx = has('JavaFX');
+
+  // Engines.  Logic from:
+  // https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/engine.js
+  isWebKit = has('WebKit');
+  isGecko = has('Gecko') && !isWebKit;
+
+  // Platforms.  Logic from:
+  // https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/platform.js
+  // and
+  // https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/extra.js
+  isAndroid = has('Android');
+  const maxTouchPoints =
+    globalThis['navigator'] && globalThis['navigator']['maxTouchPoints'];
+  isIPad = has('iPad') || (has('Macintosh') && maxTouchPoints > 0);
+  isIPhone = has('iPhone') && !isIPad;
+  isMac = has('Macintosh');
+
+  // Devices.  Logic from:
+  // https://github.com/google/closure-library/blob/master/closure/goog/labs/useragent/device.js
+  isTablet = isIPad || (isAndroid && !has('Mobile')) || has('Silk');
+  isMobile = !isTablet && (isIPhone || isAndroid);
+})((globalThis['navigator'] && globalThis['navigator']['userAgent']) || '');
+
+export const raw: string = rawUserAgent;
+
+export const JavaFx: boolean = isJavaFx;
+
+export const GECKO: boolean = isGecko;
+
+export const ANDROID: boolean = isAndroid;
+
+export const IPAD: boolean = isIPad;
+
+export const IPHONE: boolean = isIPhone;
+
+export const MAC: boolean = isMac;
+
+export const MOBILE: boolean = isMobile;
diff --git a/core/utils/xml.js b/core/utils/xml.js
deleted file mode 100644
index 4bd3f7dfab9..00000000000
--- a/core/utils/xml.js
+++ /dev/null
@@ -1,79 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview XML element manipulation.
- * These methods are not specific to Blockly, and could be factored out into
- * a JavaScript framework such as Closure.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.utils.xml
- * @namespace
- */
-goog.provide('Blockly.utils.xml');
-
-/**
- * Namespace for Blockly's XML.
- */
-Blockly.utils.xml.NAME_SPACE = 'https://developers.google.com/blockly/xml';
-
-/**
- * Get the document object.  This method is overridden in the Node.js build of
- * Blockly. See gulpfile.js, package-blockly-node task.
- * @return {!Document} The document object.
- * @public
- */
-Blockly.utils.xml.document = function() {
-  return document;
-};
-
-/**
- * Create DOM element for XML.
- * @param {string} tagName Name of DOM element.
- * @return {!Element} New DOM element.
- * @public
- */
-Blockly.utils.xml.createElement = function(tagName) {
-  return Blockly.utils.xml.document().createElementNS(
-      Blockly.utils.xml.NAME_SPACE, tagName);
-};
-
-/**
- * Create text element for XML.
- * @param {string} text Text content.
- * @return {!Text} New DOM text node.
- * @public
- */
-Blockly.utils.xml.createTextNode = function(text) {
-  return Blockly.utils.xml.document().createTextNode(text);
-};
-
-/**
- * Converts an XML string into a DOM tree.
- * @param {string} text XML string.
- * @return {Document} The DOM document.
- * @throws if XML doesn't parse.
- * @public
- */
-Blockly.utils.xml.textToDomDocument = function(text) {
-  var oParser = new DOMParser();
-  return oParser.parseFromString(text, 'text/xml');
-};
-
-/**
- * Converts a DOM structure into plain text.
- * Currently the text format is fairly ugly: all one line with no whitespace.
- * @param {!Node} dom A tree of XML nodes.
- * @return {string} Text representation.
- * @public
- */
-Blockly.utils.xml.domToText = function(dom) {
-  var oSerializer = new XMLSerializer();
-  return oSerializer.serializeToString(dom);
-};
diff --git a/core/utils/xml.ts b/core/utils/xml.ts
new file mode 100644
index 00000000000..37bc48fe72b
--- /dev/null
+++ b/core/utils/xml.ts
@@ -0,0 +1,165 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.utils.xml
+
+let domParser: DOMParser = {
+  parseFromString: function () {
+    throw new Error(
+      'DOMParser was not found in the global scope and was not properly ' +
+        'injected using injectDependencies',
+    );
+  },
+};
+
+let xmlSerializer: XMLSerializer = {
+  serializeToString: function () {
+    throw new Error(
+      'XMLSerializer was not foundin the global scope and was not properly ' +
+        'injected using injectDependencies',
+    );
+  },
+};
+
+/**
+ * Injected dependencies.  By default these are just (and have the
+ * same types as) the corresponding DOM Window properties, but the
+ * Node.js wrapper for Blockly (see scripts/package/node/core.js)
+ * calls injectDependencies to supply implementations from the jsdom
+ * package instead.
+ */
+let {document, DOMParser, XMLSerializer} = globalThis;
+if (DOMParser) domParser = new DOMParser();
+if (XMLSerializer) xmlSerializer = new XMLSerializer();
+
+/**
+ * Inject implementations of document, DOMParser and/or XMLSerializer
+ * to use instead of the default ones.
+ *
+ * Used by the Node.js wrapper for Blockly (see
+ * scripts/package/node/core.js) to supply implementations from the
+ * jsdom package instead.
+ *
+ * While they may be set individually, it is normally the case that
+ * all three will be sourced from the same JSDOM instance.  They MUST
+ * at least come from the same copy of the jsdom package.  (Typically
+ * this is hard to avoid satsifying this requirement, but it can be
+ * inadvertently violated by using webpack to build multiple bundles
+ * containing Blockly and jsdom, and then loading more than one into
+ * the same JavaScript runtime.  See
+ * https://github.com/google/blockly-samples/pull/1452#issuecomment-1364442135
+ * for an example of how this happened.)
+ *
+ * @param dependencies Options object containing dependencies to set.
+ */
+export function injectDependencies(dependencies: {
+  document?: Document;
+  DOMParser?: typeof DOMParser;
+  XMLSerializer?: typeof XMLSerializer;
+}) {
+  ({
+    // Default to existing value if option not supplied.
+    document = document,
+    DOMParser = DOMParser,
+    XMLSerializer = XMLSerializer,
+  } = dependencies);
+
+  domParser = new DOMParser();
+  xmlSerializer = new XMLSerializer();
+}
+
+/**
+ * Namespace for Blockly's XML.
+ */
+export const NAME_SPACE = 'https://developers.google.com/blockly/xml';
+
+// eslint-disable-next-line no-control-regex
+const INVALID_CONTROL_CHARS = /[\x00-\x09\x0B\x0C\x0E-\x1F]/g;
+
+/**
+ * Create DOM element for XML.
+ *
+ * @param tagName Name of DOM element.
+ * @returns New DOM element.
+ */
+export function createElement(tagName: string): Element {
+  return document.createElementNS(NAME_SPACE, tagName);
+}
+
+/**
+ * Create text element for XML.
+ *
+ * @param text Text content.
+ * @returns New DOM text node.
+ */
+export function createTextNode(text: string): Text {
+  return document.createTextNode(text);
+}
+
+/**
+ * Converts an XML string into a DOM structure.
+ *
+ * Control characters should be escaped. (But we will try to best-effort parse
+ * unescaped characters.)
+ *
+ * Note that even when escaped, U+0000 will be parsed as U+FFFD (the
+ * "replacement character") because U+0000 is never a valid XML character
+ * (even in XML 1.1).
+ * https://www.w3.org/TR/xml11/#charsets
+ *
+ * @param text An XML string.
+ * @returns A DOM object representing the singular child of the document
+ *     element.
+ * @throws if the text doesn't parse.
+ */
+export function textToDom(text: string): Element {
+  let doc = domParser.parseFromString(text, 'text/xml');
+  if (
+    doc &&
+    doc.documentElement &&
+    !doc.getElementsByTagName('parsererror').length
+  ) {
+    return doc.documentElement;
+  }
+
+  // Attempt to parse as HTML to deserialize control characters that were
+  // serialized before the serializer did proper escaping.
+  doc = domParser.parseFromString(text, 'text/html');
+  if (
+    doc &&
+    doc.body.firstChild &&
+    doc.body.firstChild.nodeName.toLowerCase() === 'xml'
+  ) {
+    return doc.body.firstChild as Element;
+  }
+
+  throw new Error(`DOMParser was unable to parse: ${text}`);
+}
+
+/**
+ * Converts a DOM structure into plain text.
+ * Currently the text format is fairly ugly: all one line with no whitespace.
+ *
+ * Control characters are escaped using their decimal encodings. This includes
+ * U+0000 even though it is technically never a valid XML character (even in
+ * XML 1.1).
+ * https://www.w3.org/TR/xml11/#charsets
+ *
+ * When decoded U+0000 will be parsed as U+FFFD (the "replacement character").
+ *
+ * @param dom A tree of XML nodes.
+ * @returns Text representation.
+ */
+export function domToText(dom: Node): string {
+  return sanitizeText(xmlSerializer.serializeToString(dom));
+}
+
+function sanitizeText(text: string) {
+  return text.replace(
+    INVALID_CONTROL_CHARS,
+    (match) => `&#${match.charCodeAt(0)};`,
+  );
+}
diff --git a/core/variable_events.js b/core/variable_events.js
deleted file mode 100644
index c908ff26aeb..00000000000
--- a/core/variable_events.js
+++ /dev/null
@@ -1,248 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Classes for all types of variable events.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.Events.VarBase');
-goog.provide('Blockly.Events.VarCreate');
-goog.provide('Blockly.Events.VarDelete');
-goog.provide('Blockly.Events.VarRename');
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.Abstract');
-goog.require('Blockly.registry');
-goog.require('Blockly.utils.object');
-
-
-/**
- * Abstract class for a variable event.
- * @param {!Blockly.VariableModel=} opt_variable The variable this event
- *     corresponds to.  Undefined for a blank event.
- * @extends {Blockly.Events.Abstract}
- * @constructor
- */
-Blockly.Events.VarBase = function(opt_variable) {
-  Blockly.Events.VarBase.superClass_.constructor.call(this);
-  this.isBlank = typeof opt_variable == 'undefined';
-
-  /**
-   * The variable id for the variable this event pertains to.
-   * @type {string}
-   */
-  this.varId = this.isBlank ? '' : opt_variable.getId();
-
-  /**
-   * The workspace identifier for this event.
-   * @type {string}
-   */
-  this.workspaceId = this.isBlank ? '' : opt_variable.workspace.id;
-};
-Blockly.utils.object.inherits(Blockly.Events.VarBase, Blockly.Events.Abstract);
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-Blockly.Events.VarBase.prototype.toJson = function() {
-  var json = Blockly.Events.VarBase.superClass_.toJson.call(this);
-  json['varId'] = this.varId;
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.VarBase.prototype.fromJson = function(json) {
-  Blockly.Events.VarBase.superClass_.toJson.call(this);
-  this.varId = json['varId'];
-};
-
-/**
- * Class for a variable creation event.
- * @param {!Blockly.VariableModel=} opt_variable The created variable. Undefined
- *     for a blank event.
- * @extends {Blockly.Events.VarBase}
- * @constructor
- */
-Blockly.Events.VarCreate = function(opt_variable) {
-  Blockly.Events.VarCreate.superClass_.constructor.call(this, opt_variable);
-  if (!opt_variable) {
-    return;  // Blank event to be populated by fromJson.
-  }
-
-  this.varType = opt_variable.type;
-  this.varName = opt_variable.name;
-};
-Blockly.utils.object.inherits(Blockly.Events.VarCreate, Blockly.Events.VarBase);
-
-/**
- * Type of this event.
- * @type {string}
- */
-Blockly.Events.VarCreate.prototype.type = Blockly.Events.VAR_CREATE;
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-Blockly.Events.VarCreate.prototype.toJson = function() {
-  var json = Blockly.Events.VarCreate.superClass_.toJson.call(this);
-  json['varType'] = this.varType;
-  json['varName'] = this.varName;
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.VarCreate.prototype.fromJson = function(json) {
-  Blockly.Events.VarCreate.superClass_.fromJson.call(this, json);
-  this.varType = json['varType'];
-  this.varName = json['varName'];
-};
-
-/**
- * Run a variable creation event.
- * @param {boolean} forward True if run forward, false if run backward (undo).
- */
-Blockly.Events.VarCreate.prototype.run = function(forward) {
-  var workspace = this.getEventWorkspace_();
-  if (forward) {
-    workspace.createVariable(this.varName, this.varType, this.varId);
-  } else {
-    workspace.deleteVariableById(this.varId);
-  }
-};
-
-/**
- * Class for a variable deletion event.
- * @param {!Blockly.VariableModel=} opt_variable The deleted variable. Undefined
- *     for a blank event.
- * @extends {Blockly.Events.VarBase}
- * @constructor
- */
-Blockly.Events.VarDelete = function(opt_variable) {
-  Blockly.Events.VarDelete.superClass_.constructor.call(this, opt_variable);
-  if (!opt_variable) {
-    return;  // Blank event to be populated by fromJson.
-  }
-
-  this.varType = opt_variable.type;
-  this.varName = opt_variable.name;
-};
-Blockly.utils.object.inherits(Blockly.Events.VarDelete, Blockly.Events.VarBase);
-
-/**
- * Type of this event.
- * @type {string}
- */
-Blockly.Events.VarDelete.prototype.type = Blockly.Events.VAR_DELETE;
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-Blockly.Events.VarDelete.prototype.toJson = function() {
-  var json = Blockly.Events.VarDelete.superClass_.toJson.call(this);
-  json['varType'] = this.varType;
-  json['varName'] = this.varName;
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.VarDelete.prototype.fromJson = function(json) {
-  Blockly.Events.VarDelete.superClass_.fromJson.call(this, json);
-  this.varType = json['varType'];
-  this.varName = json['varName'];
-};
-
-/**
- * Run a variable deletion event.
- * @param {boolean} forward True if run forward, false if run backward (undo).
- */
-Blockly.Events.VarDelete.prototype.run = function(forward) {
-  var workspace = this.getEventWorkspace_();
-  if (forward) {
-    workspace.deleteVariableById(this.varId);
-  } else {
-    workspace.createVariable(this.varName, this.varType, this.varId);
-  }
-};
-
-/**
- * Class for a variable rename event.
- * @param {!Blockly.VariableModel=} opt_variable The renamed variable. Undefined
- *     for a blank event.
- * @param {string=} newName The new name the variable will be changed to.
- * @extends {Blockly.Events.VarBase}
- * @constructor
- */
-Blockly.Events.VarRename = function(opt_variable, newName) {
-  Blockly.Events.VarRename.superClass_.constructor.call(this, opt_variable);
-  if (!opt_variable) {
-    return;  // Blank event to be populated by fromJson.
-  }
-
-  this.oldName = opt_variable.name;
-  this.newName = typeof newName == 'undefined' ? '' : newName;
-};
-Blockly.utils.object.inherits(Blockly.Events.VarRename, Blockly.Events.VarBase);
-
-/**
- * Type of this event.
- * @type {string}
- */
-Blockly.Events.VarRename.prototype.type = Blockly.Events.VAR_RENAME;
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-Blockly.Events.VarRename.prototype.toJson = function() {
-  var json = Blockly.Events.VarRename.superClass_.toJson.call(this);
-  json['oldName'] = this.oldName;
-  json['newName'] = this.newName;
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.VarRename.prototype.fromJson = function(json) {
-  Blockly.Events.VarRename.superClass_.fromJson.call(this, json);
-  this.oldName = json['oldName'];
-  this.newName = json['newName'];
-};
-
-/**
- * Run a variable rename event.
- * @param {boolean} forward True if run forward, false if run backward (undo).
- */
-Blockly.Events.VarRename.prototype.run = function(forward) {
-  var workspace = this.getEventWorkspace_();
-  if (forward) {
-    workspace.renameVariableById(this.varId, this.newName);
-  } else {
-    workspace.renameVariableById(this.varId, this.oldName);
-  }
-};
-
-Blockly.registry.register(Blockly.registry.Type.EVENT,
-    Blockly.Events.VAR_CREATE, Blockly.Events.VarCreate);
-Blockly.registry.register(Blockly.registry.Type.EVENT,
-    Blockly.Events.VAR_DELETE, Blockly.Events.VarDelete);
-Blockly.registry.register(Blockly.registry.Type.EVENT,
-    Blockly.Events.VAR_RENAME, Blockly.Events.VarRename);
diff --git a/core/variable_map.js b/core/variable_map.js
deleted file mode 100644
index e2dcafaea9e..00000000000
--- a/core/variable_map.js
+++ /dev/null
@@ -1,414 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object representing a map of variables and their types.
- * @author marisaleung@google.com (Marisa Leung)
- */
-'use strict';
-
-goog.provide('Blockly.VariableMap');
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.VarDelete');
-goog.require('Blockly.Events.VarRename');
-goog.require('Blockly.Msg');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.object');
-
-
-/**
- * Class for a variable map.  This contains a dictionary data structure with
- * variable types as keys and lists of variables as values.  The list of
- * variables are the type indicated by the key.
- * @param {!Blockly.Workspace} workspace The workspace this map belongs to.
- * @constructor
- */
-Blockly.VariableMap = function(workspace) {
-  /**
-   * A map from variable type to list of variable names.  The lists contain all
-   * of the named variables in the workspace, including variables
-   * that are not currently in use.
-   * @type {!Object.<string, !Array.<Blockly.VariableModel>>}
-   * @private
-   */
-  this.variableMap_ = Object.create(null);
-
-  /**
-   * The workspace this map belongs to.
-   * @type {!Blockly.Workspace}
-   */
-  this.workspace = workspace;
-};
-
-/**
- * Clear the variable map.
- */
-Blockly.VariableMap.prototype.clear = function() {
-  this.variableMap_ = Object.create(null);
-};
-
-/* Begin functions for renaming variables. */
-
-/**
- * Rename the given variable by updating its name in the variable map.
- * @param {!Blockly.VariableModel} variable Variable to rename.
- * @param {string} newName New variable name.
- * @package
- */
-Blockly.VariableMap.prototype.renameVariable = function(variable, newName) {
-  var type = variable.type;
-  var conflictVar = this.getVariable(newName, type);
-  var blocks = this.workspace.getAllBlocks(false);
-  Blockly.Events.setGroup(true);
-  try {
-    // The IDs may match if the rename is a simple case change (name1 -> Name1).
-    if (!conflictVar || conflictVar.getId() == variable.getId()) {
-      this.renameVariableAndUses_(variable, newName, blocks);
-    } else {
-      this.renameVariableWithConflict_(variable, newName, conflictVar, blocks);
-    }
-  } finally {
-    Blockly.Events.setGroup(false);
-  }
-};
-
-/**
- * Rename a variable by updating its name in the variable map. Identify the
- * variable to rename with the given ID.
- * @param {string} id ID of the variable to rename.
- * @param {string} newName New variable name.
- */
-Blockly.VariableMap.prototype.renameVariableById = function(id, newName) {
-  var variable = this.getVariableById(id);
-  if (!variable) {
-    throw Error('Tried to rename a variable that didn\'t exist. ID: ' + id);
-  }
-
-  this.renameVariable(variable, newName);
-};
-
-/**
- * Update the name of the given variable and refresh all references to it.
- * The new name must not conflict with any existing variable names.
- * @param {!Blockly.VariableModel} variable Variable to rename.
- * @param {string} newName New variable name.
- * @param {!Array.<!Blockly.Block>} blocks The list of all blocks in the
- *     workspace.
- * @private
- */
-Blockly.VariableMap.prototype.renameVariableAndUses_ = function(variable,
-    newName, blocks) {
-  Blockly.Events.fire(new Blockly.Events.VarRename(variable, newName));
-  variable.name = newName;
-  for (var i = 0; i < blocks.length; i++) {
-    blocks[i].updateVarName(variable);
-  }
-};
-
-/**
- * Update the name of the given variable to the same name as an existing
- * variable.  The two variables are coalesced into a single variable with the ID
- * of the existing variable that was already using newName.
- * Refresh all references to the variable.
- * @param {!Blockly.VariableModel} variable Variable to rename.
- * @param {string} newName New variable name.
- * @param {!Blockly.VariableModel} conflictVar The variable that was already
- *     using newName.
- * @param {!Array.<!Blockly.Block>} blocks The list of all blocks in the
- *     workspace.
- * @private
- */
-Blockly.VariableMap.prototype.renameVariableWithConflict_ = function(variable,
-    newName, conflictVar, blocks) {
-  var type = variable.type;
-  var oldCase = conflictVar.name;
-
-  if (newName != oldCase) {
-    // Simple rename to change the case and update references.
-    this.renameVariableAndUses_(conflictVar, newName, blocks);
-  }
-
-  // These blocks now refer to a different variable.
-  // These will fire change events.
-  for (var i = 0; i < blocks.length; i++) {
-    blocks[i].renameVarById(variable.getId(), conflictVar.getId());
-  }
-
-  // Finally delete the original variable, which is now unreferenced.
-  Blockly.Events.fire(new Blockly.Events.VarDelete(variable));
-  // And remove it from the list.
-  var variableList = this.getVariablesOfType(type);
-  var variableIndex = variableList.indexOf(variable);
-  this.variableMap_[type].splice(variableIndex, 1);
-
-};
-
-/* End functions for renaming variables. */
-
-/**
- * Create a variable with a given name, optional type, and optional ID.
- * @param {string} name The name of the variable. This must be unique across
- *     variables and procedures.
- * @param {?string=} opt_type The type of the variable like 'int' or 'string'.
- *     Does not need to be unique. Field_variable can filter variables based on
- *     their type. This will default to '' which is a specific type.
- * @param {?string=} opt_id The unique ID of the variable. This will default to
- *     a UUID.
- * @return {!Blockly.VariableModel} The newly created variable.
- */
-Blockly.VariableMap.prototype.createVariable = function(name,
-    opt_type, opt_id) {
-  var variable = this.getVariable(name, opt_type);
-  if (variable) {
-    if (opt_id && variable.getId() != opt_id) {
-      throw Error('Variable "' + name + '" is already in use and its id is "' +
-          variable.getId() + '" which conflicts with the passed in ' +
-          'id, "' + opt_id + '".');
-    }
-    // The variable already exists and has the same ID.
-    return variable;
-  }
-  if (opt_id && this.getVariableById(opt_id)) {
-    throw Error('Variable id, "' + opt_id + '", is already in use.');
-  }
-  var id = opt_id || Blockly.utils.genUid();
-  var type = opt_type || '';
-  variable = new Blockly.VariableModel(this.workspace, name, type, id);
-
-  var variables = this.variableMap_[type] || [];
-  variables.push(variable);
-  // Delete the list of variables of this type, and re-add it so that
-  // the most recent addition is at the end.
-  // This is used so the toolbox's set block is set to the most recent variable.
-  delete this.variableMap_[type];
-  this.variableMap_[type] = variables;
-
-  return variable;
-};
-
-/* Begin functions for variable deletion. */
-
-/**
- * Delete a variable.
- * @param {!Blockly.VariableModel} variable Variable to delete.
- */
-Blockly.VariableMap.prototype.deleteVariable = function(variable) {
-  var variableList = this.variableMap_[variable.type];
-  for (var i = 0, tempVar; (tempVar = variableList[i]); i++) {
-    if (tempVar.getId() == variable.getId()) {
-      variableList.splice(i, 1);
-      Blockly.Events.fire(new Blockly.Events.VarDelete(variable));
-      return;
-    }
-  }
-};
-
-/**
- * Delete a variables by the passed in ID and all of its uses from this
- * workspace. May prompt the user for confirmation.
- * @param {string} id ID of variable to delete.
- */
-Blockly.VariableMap.prototype.deleteVariableById = function(id) {
-  var variable = this.getVariableById(id);
-  if (variable) {
-    // Check whether this variable is a function parameter before deleting.
-    var variableName = variable.name;
-    var uses = this.getVariableUsesById(id);
-    for (var i = 0, block; (block = uses[i]); i++) {
-      if (block.type == 'procedures_defnoreturn' ||
-        block.type == 'procedures_defreturn') {
-        var procedureName = block.getFieldValue('NAME');
-        var deleteText = Blockly.Msg['CANNOT_DELETE_VARIABLE_PROCEDURE'].
-            replace('%1', variableName).
-            replace('%2', procedureName);
-        Blockly.alert(deleteText);
-        return;
-      }
-    }
-
-    var map = this;
-    if (uses.length > 1) {
-      // Confirm before deleting multiple blocks.
-      var confirmText = Blockly.Msg['DELETE_VARIABLE_CONFIRMATION'].
-          replace('%1', String(uses.length)).
-          replace('%2', variableName);
-      Blockly.confirm(confirmText,
-          function(ok) {
-            if (ok && variable) {
-              map.deleteVariableInternal(variable, uses);
-            }
-          });
-    } else {
-      // No confirmation necessary for a single block.
-      map.deleteVariableInternal(variable, uses);
-    }
-  } else {
-    console.warn("Can't delete non-existent variable: " + id);
-  }
-};
-
-/**
- * Deletes a variable and all of its uses from this workspace without asking the
- * user for confirmation.
- * @param {!Blockly.VariableModel} variable Variable to delete.
- * @param {!Array.<!Blockly.Block>} uses An array of uses of the variable.
- * @package
- */
-Blockly.VariableMap.prototype.deleteVariableInternal = function(variable,
-    uses) {
-  var existingGroup = Blockly.Events.getGroup();
-  if (!existingGroup) {
-    Blockly.Events.setGroup(true);
-  }
-  try {
-    for (var i = 0; i < uses.length; i++) {
-      uses[i].dispose(true);
-    }
-    this.deleteVariable(variable);
-  } finally {
-    if (!existingGroup) {
-      Blockly.Events.setGroup(false);
-    }
-  }
-};
-
-/* End functions for variable deletion. */
-
-/**
- * Find the variable by the given name and type and return it.  Return null if
- *     it is not found.
- * @param {string} name The name to check for.
- * @param {?string=} opt_type The type of the variable.  If not provided it
- *     defaults to the empty string, which is a specific type.
- * @return {Blockly.VariableModel} The variable with the given name, or null if
- *     it was not found.
- */
-Blockly.VariableMap.prototype.getVariable = function(name, opt_type) {
-  var type = opt_type || '';
-  var list = this.variableMap_[type];
-  if (list) {
-    for (var j = 0, variable; (variable = list[j]); j++) {
-      if (Blockly.Names.equals(variable.name, name)) {
-        return variable;
-      }
-    }
-  }
-  return null;
-};
-
-/**
- * Find the variable by the given ID and return it. Return null if it is not
- *     found.
- * @param {string} id The ID to check for.
- * @return {Blockly.VariableModel} The variable with the given ID.
- */
-Blockly.VariableMap.prototype.getVariableById = function(id) {
-  var keys = Object.keys(this.variableMap_);
-  for (var i = 0; i < keys.length; i++ ) {
-    var key = keys[i];
-    for (var j = 0, variable; (variable = this.variableMap_[key][j]); j++) {
-      if (variable.getId() == id) {
-        return variable;
-      }
-    }
-  }
-  return null;
-};
-
-/**
- * Get a list containing all of the variables of a specified type. If type is
- *     null, return list of variables with empty string type.
- * @param {?string} type Type of the variables to find.
- * @return {!Array.<!Blockly.VariableModel>} The sought after variables of the
- *     passed in type. An empty array if none are found.
- */
-Blockly.VariableMap.prototype.getVariablesOfType = function(type) {
-  type = type || '';
-  var variable_list = this.variableMap_[type];
-  if (variable_list) {
-    return variable_list.slice();
-  }
-  return [];
-};
-
-/**
- * Return all variable and potential variable types.  This list always contains
- * the empty string.
- * @param {?Blockly.Workspace} ws The workspace used to look for potential
- * variables. This can be different than the workspace stored on this object
- * if the passed in ws is a flyout workspace.
- * @return {!Array.<string>} List of variable types.
- * @package
- */
-Blockly.VariableMap.prototype.getVariableTypes = function(ws) {
-  var variableMap = {};
-  Blockly.utils.object.mixin(variableMap, this.variableMap_);
-  if (ws && ws.getPotentialVariableMap()) {
-    Blockly.utils.object.mixin(variableMap,
-        ws.getPotentialVariableMap().variableMap_);
-  }
-  var types = Object.keys(variableMap);
-  var hasEmpty = false;
-  for (var i = 0; i < types.length; i++) {
-    if (types[i] == '') {
-      hasEmpty = true;
-    }
-  }
-  if (!hasEmpty) {
-    types.push('');
-  }
-  return types;
-};
-
-/**
- * Return all variables of all types.
- * @return {!Array.<!Blockly.VariableModel>} List of variable models.
- */
-Blockly.VariableMap.prototype.getAllVariables = function() {
-  var all_variables = [];
-  for (var key in this.variableMap_) {
-    all_variables = all_variables.concat(this.variableMap_[key]);
-  }
-  return all_variables;
-};
-
-/**
- * Returns all of the variable names of all types.
- * @return {!Array.<string>} All of the variable names of all types.
- */
-Blockly.VariableMap.prototype.getAllVariableNames = function() {
-  var allNames = [];
-  for (var key in this.variableMap_) {
-    var variables = this.variableMap_[key];
-    for (var i = 0, variable; (variable = variables[i]); i++) {
-      allNames.push(variable.name);
-    }
-  }
-  return allNames;
-};
-
-/**
- * Find all the uses of a named variable.
- * @param {string} id ID of the variable to find.
- * @return {!Array.<!Blockly.Block>} Array of block usages.
- */
-Blockly.VariableMap.prototype.getVariableUsesById = function(id) {
-  var uses = [];
-  var blocks = this.workspace.getAllBlocks(false);
-  // Iterate through every block and check the name.
-  for (var i = 0; i < blocks.length; i++) {
-    var blockVariables = blocks[i].getVarModels();
-    if (blockVariables) {
-      for (var j = 0; j < blockVariables.length; j++) {
-        if (blockVariables[j].getId() == id) {
-          uses.push(blocks[i]);
-        }
-      }
-    }
-  }
-  return uses;
-};
diff --git a/core/variable_map.ts b/core/variable_map.ts
new file mode 100644
index 00000000000..bc19b07a59a
--- /dev/null
+++ b/core/variable_map.ts
@@ -0,0 +1,440 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Object representing a map of variables and their types.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.VariableMap
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_var_delete.js';
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_var_rename.js';
+
+import type {Block} from './block.js';
+import * as dialog from './dialog.js';
+import * as eventUtils from './events/utils.js';
+import {Msg} from './msg.js';
+import {Names} from './names.js';
+import * as arrayUtils from './utils/array.js';
+import * as idGenerator from './utils/idgenerator.js';
+import {VariableModel} from './variable_model.js';
+import type {Workspace} from './workspace.js';
+
+/**
+ * Class for a variable map.  This contains a dictionary data structure with
+ * variable types as keys and lists of variables as values.  The list of
+ * variables are the type indicated by the key.
+ */
+export class VariableMap {
+  /**
+   * A map from variable type to list of variable names.  The lists contain
+   * all of the named variables in the workspace, including variables that are
+   * not currently in use.
+   */
+  private variableMap = new Map<string, VariableModel[]>();
+
+  /** @param workspace The workspace this map belongs to. */
+  constructor(public workspace: Workspace) {}
+
+  /** Clear the variable map.  Fires events for every deletion. */
+  clear() {
+    for (const variables of this.variableMap.values()) {
+      while (variables.length > 0) {
+        this.deleteVariable(variables[0]);
+      }
+    }
+    if (this.variableMap.size !== 0) {
+      throw Error('Non-empty variable map');
+    }
+  }
+
+  /* Begin functions for renaming variables. */
+  /**
+   * Rename the given variable by updating its name in the variable map.
+   *
+   * @param variable Variable to rename.
+   * @param newName New variable name.
+   * @internal
+   */
+  renameVariable(variable: VariableModel, newName: string) {
+    if (variable.name === newName) return;
+    const type = variable.type;
+    const conflictVar = this.getVariable(newName, type);
+    const blocks = this.workspace.getAllBlocks(false);
+    const existingGroup = eventUtils.getGroup();
+    if (!existingGroup) {
+      eventUtils.setGroup(true);
+    }
+    try {
+      // The IDs may match if the rename is a simple case change (name1 ->
+      // Name1).
+      if (!conflictVar || conflictVar.getId() === variable.getId()) {
+        this.renameVariableAndUses_(variable, newName, blocks);
+      } else {
+        this.renameVariableWithConflict_(
+          variable,
+          newName,
+          conflictVar,
+          blocks,
+        );
+      }
+    } finally {
+      eventUtils.setGroup(existingGroup);
+    }
+  }
+
+  /**
+   * Rename a variable by updating its name in the variable map. Identify the
+   * variable to rename with the given ID.
+   *
+   * @param id ID of the variable to rename.
+   * @param newName New variable name.
+   */
+  renameVariableById(id: string, newName: string) {
+    const variable = this.getVariableById(id);
+    if (!variable) {
+      throw Error("Tried to rename a variable that didn't exist. ID: " + id);
+    }
+
+    this.renameVariable(variable, newName);
+  }
+
+  /**
+   * Update the name of the given variable and refresh all references to it.
+   * The new name must not conflict with any existing variable names.
+   *
+   * @param variable Variable to rename.
+   * @param newName New variable name.
+   * @param blocks The list of all blocks in the workspace.
+   */
+  private renameVariableAndUses_(
+    variable: VariableModel,
+    newName: string,
+    blocks: Block[],
+  ) {
+    eventUtils.fire(
+      new (eventUtils.get(eventUtils.VAR_RENAME))(variable, newName),
+    );
+    variable.name = newName;
+    for (let i = 0; i < blocks.length; i++) {
+      blocks[i].updateVarName(variable);
+    }
+  }
+
+  /**
+   * Update the name of the given variable to the same name as an existing
+   * variable.  The two variables are coalesced into a single variable with the
+   * ID of the existing variable that was already using newName. Refresh all
+   * references to the variable.
+   *
+   * @param variable Variable to rename.
+   * @param newName New variable name.
+   * @param conflictVar The variable that was already using newName.
+   * @param blocks The list of all blocks in the workspace.
+   */
+  private renameVariableWithConflict_(
+    variable: VariableModel,
+    newName: string,
+    conflictVar: VariableModel,
+    blocks: Block[],
+  ) {
+    const type = variable.type;
+    const oldCase = conflictVar.name;
+
+    if (newName !== oldCase) {
+      // Simple rename to change the case and update references.
+      this.renameVariableAndUses_(conflictVar, newName, blocks);
+    }
+
+    // These blocks now refer to a different variable.
+    // These will fire change events.
+    for (let i = 0; i < blocks.length; i++) {
+      blocks[i].renameVarById(variable.getId(), conflictVar.getId());
+    }
+    // Finally delete the original variable, which is now unreferenced.
+    eventUtils.fire(new (eventUtils.get(eventUtils.VAR_DELETE))(variable));
+    // And remove it from the list.
+    arrayUtils.removeElem(this.variableMap.get(type)!, variable);
+  }
+
+  /* End functions for renaming variables. */
+  /**
+   * Create a variable with a given name, optional type, and optional ID.
+   *
+   * @param name The name of the variable. This must be unique across variables
+   *     and procedures.
+   * @param opt_type The type of the variable like 'int' or 'string'.
+   *     Does not need to be unique. Field_variable can filter variables based
+   * on their type. This will default to '' which is a specific type.
+   * @param opt_id The unique ID of the variable. This will default to a UUID.
+   * @returns The newly created variable.
+   */
+  createVariable(
+    name: string,
+    opt_type?: string | null,
+    opt_id?: string | null,
+  ): VariableModel {
+    let variable = this.getVariable(name, opt_type);
+    if (variable) {
+      if (opt_id && variable.getId() !== opt_id) {
+        throw Error(
+          'Variable "' +
+            name +
+            '" is already in use and its id is "' +
+            variable.getId() +
+            '" which conflicts with the passed in ' +
+            'id, "' +
+            opt_id +
+            '".',
+        );
+      }
+      // The variable already exists and has the same ID.
+      return variable;
+    }
+    if (opt_id && this.getVariableById(opt_id)) {
+      throw Error('Variable id, "' + opt_id + '", is already in use.');
+    }
+    const id = opt_id || idGenerator.genUid();
+    const type = opt_type || '';
+    variable = new VariableModel(this.workspace, name, type, id);
+
+    const variables = this.variableMap.get(type) || [];
+    variables.push(variable);
+    // Delete the list of variables of this type, and re-add it so that
+    // the most recent addition is at the end.
+    // This is used so the toolbox's set block is set to the most recent
+    // variable.
+    this.variableMap.delete(type);
+    this.variableMap.set(type, variables);
+
+    eventUtils.fire(new (eventUtils.get(eventUtils.VAR_CREATE))(variable));
+
+    return variable;
+  }
+
+  /* Begin functions for variable deletion. */
+  /**
+   * Delete a variable.
+   *
+   * @param variable Variable to delete.
+   */
+  deleteVariable(variable: VariableModel) {
+    const variableId = variable.getId();
+    const variableList = this.variableMap.get(variable.type);
+    if (variableList) {
+      for (let i = 0; i < variableList.length; i++) {
+        const tempVar = variableList[i];
+        if (tempVar.getId() === variableId) {
+          variableList.splice(i, 1);
+          eventUtils.fire(
+            new (eventUtils.get(eventUtils.VAR_DELETE))(variable),
+          );
+          if (variableList.length === 0) {
+            this.variableMap.delete(variable.type);
+          }
+          return;
+        }
+      }
+    }
+  }
+
+  /**
+   * Delete a variables by the passed in ID and all of its uses from this
+   * workspace. May prompt the user for confirmation.
+   *
+   * @param id ID of variable to delete.
+   */
+  deleteVariableById(id: string) {
+    const variable = this.getVariableById(id);
+    if (variable) {
+      // Check whether this variable is a function parameter before deleting.
+      const variableName = variable.name;
+      const uses = this.getVariableUsesById(id);
+      for (let i = 0, block; (block = uses[i]); i++) {
+        if (
+          block.type === 'procedures_defnoreturn' ||
+          block.type === 'procedures_defreturn'
+        ) {
+          const procedureName = String(block.getFieldValue('NAME'));
+          const deleteText = Msg['CANNOT_DELETE_VARIABLE_PROCEDURE']
+            .replace('%1', variableName)
+            .replace('%2', procedureName);
+          dialog.alert(deleteText);
+          return;
+        }
+      }
+
+      if (uses.length > 1) {
+        // Confirm before deleting multiple blocks.
+        const confirmText = Msg['DELETE_VARIABLE_CONFIRMATION']
+          .replace('%1', String(uses.length))
+          .replace('%2', variableName);
+        dialog.confirm(confirmText, (ok) => {
+          if (ok && variable) {
+            this.deleteVariableInternal(variable, uses);
+          }
+        });
+      } else {
+        // No confirmation necessary for a single block.
+        this.deleteVariableInternal(variable, uses);
+      }
+    } else {
+      console.warn("Can't delete non-existent variable: " + id);
+    }
+  }
+
+  /**
+   * Deletes a variable and all of its uses from this workspace without asking
+   * the user for confirmation.
+   *
+   * @param variable Variable to delete.
+   * @param uses An array of uses of the variable.
+   * @internal
+   */
+  deleteVariableInternal(variable: VariableModel, uses: Block[]) {
+    const existingGroup = eventUtils.getGroup();
+    if (!existingGroup) {
+      eventUtils.setGroup(true);
+    }
+    try {
+      for (let i = 0; i < uses.length; i++) {
+        uses[i].dispose(true);
+      }
+      this.deleteVariable(variable);
+    } finally {
+      eventUtils.setGroup(existingGroup);
+    }
+  }
+  /* End functions for variable deletion. */
+  /**
+   * Find the variable by the given name and type and return it.  Return null if
+   *     it is not found.
+   *
+   * @param name The name to check for.
+   * @param opt_type The type of the variable.  If not provided it defaults to
+   *     the empty string, which is a specific type.
+   * @returns The variable with the given name, or null if it was not found.
+   */
+  getVariable(name: string, opt_type?: string | null): VariableModel | null {
+    const type = opt_type || '';
+    const list = this.variableMap.get(type);
+    if (list) {
+      for (let j = 0, variable; (variable = list[j]); j++) {
+        if (Names.equals(variable.name, name)) {
+          return variable;
+        }
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Find the variable by the given ID and return it.  Return null if not found.
+   *
+   * @param id The ID to check for.
+   * @returns The variable with the given ID.
+   */
+  getVariableById(id: string): VariableModel | null {
+    for (const variables of this.variableMap.values()) {
+      for (const variable of variables) {
+        if (variable.getId() === id) {
+          return variable;
+        }
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Get a list containing all of the variables of a specified type. If type is
+   *     null, return list of variables with empty string type.
+   *
+   * @param type Type of the variables to find.
+   * @returns The sought after variables of the passed in type. An empty array
+   *     if none are found.
+   */
+  getVariablesOfType(type: string | null): VariableModel[] {
+    type = type || '';
+    const variableList = this.variableMap.get(type);
+    if (variableList) {
+      return variableList.slice();
+    }
+    return [];
+  }
+
+  /**
+   * Return all variable and potential variable types.  This list always
+   * contains the empty string.
+   *
+   * @param ws The workspace used to look for potential variables. This can be
+   *     different than the workspace stored on this object if the passed in ws
+   *     is a flyout workspace.
+   * @returns List of variable types.
+   * @internal
+   */
+  getVariableTypes(ws: Workspace | null): string[] {
+    const variableTypes = new Set<string>(this.variableMap.keys());
+    if (ws && ws.getPotentialVariableMap()) {
+      for (const key of ws.getPotentialVariableMap()!.variableMap.keys()) {
+        variableTypes.add(key);
+      }
+    }
+    if (!variableTypes.has('')) {
+      variableTypes.add('');
+    }
+    return Array.from(variableTypes.values());
+  }
+
+  /**
+   * Return all variables of all types.
+   *
+   * @returns List of variable models.
+   */
+  getAllVariables(): VariableModel[] {
+    let allVariables: VariableModel[] = [];
+    for (const variables of this.variableMap.values()) {
+      allVariables = allVariables.concat(variables);
+    }
+    return allVariables;
+  }
+
+  /**
+   * Returns all of the variable names of all types.
+   *
+   * @returns All of the variable names of all types.
+   */
+  getAllVariableNames(): string[] {
+    return Array.from(this.variableMap.values())
+      .flat()
+      .map((variable) => variable.name);
+  }
+
+  /**
+   * Find all the uses of a named variable.
+   *
+   * @param id ID of the variable to find.
+   * @returns Array of block usages.
+   */
+  getVariableUsesById(id: string): Block[] {
+    const uses = [];
+    const blocks = this.workspace.getAllBlocks(false);
+    // Iterate through every block and check the name.
+    for (let i = 0; i < blocks.length; i++) {
+      const blockVariables = blocks[i].getVarModels();
+      if (blockVariables) {
+        for (let j = 0; j < blockVariables.length; j++) {
+          if (blockVariables[j].getId() === id) {
+            uses.push(blocks[i]);
+          }
+        }
+      }
+    }
+    return uses;
+  }
+}
diff --git a/core/variable_model.js b/core/variable_model.js
deleted file mode 100644
index 6de5c70679c..00000000000
--- a/core/variable_model.js
+++ /dev/null
@@ -1,95 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Components for the variable model.
- * @author marisaleung@google.com (Marisa Leung)
- */
-'use strict';
-
-goog.provide('Blockly.VariableModel');
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.VarCreate');
-goog.require('Blockly.utils');
-
-
-/**
- * Class for a variable model.
- * Holds information for the variable including name, ID, and type.
- * @param {!Blockly.Workspace} workspace The variable's workspace.
- * @param {string} name The name of the variable. This must be unique across
- *     variables and procedures.
- * @param {string=} opt_type The type of the variable like 'int' or 'string'.
- *     Does not need to be unique. Field_variable can filter variables based on
- *     their type. This will default to '' which is a specific type.
- * @param {string=} opt_id The unique ID of the variable. This will default to
- *     a UUID.
- * @see {Blockly.FieldVariable}
- * @constructor
- */
-Blockly.VariableModel = function(workspace, name, opt_type, opt_id) {
-  /**
-   * The workspace the variable is in.
-   * @type {!Blockly.Workspace}
-   */
-  this.workspace = workspace;
-
-  /**
-   * The name of the variable, typically defined by the user. It must be
-   * unique across all names used for procedures and variables. It may be
-   * changed by the user.
-   * @type {string}
-   */
-  this.name = name;
-
-  /**
-   * The type of the variable, such as 'int' or 'sound_effect'. This may be
-   * used to build a list of variables of a specific type. By default this is
-   * the empty string '', which is a specific type.
-   * @see {Blockly.FieldVariable}
-   * @type {string}
-   */
-  this.type = opt_type || '';
-
-  /**
-   * A unique id for the variable. This should be defined at creation and
-   * not change, even if the name changes. In most cases this should be a
-   * UUID.
-   * @type {string}
-   * @private
-   */
-  this.id_ = opt_id || Blockly.utils.genUid();
-
-  Blockly.Events.fire(new Blockly.Events.VarCreate(this));
-};
-
-/**
- * @return {string} The ID for the variable.
- */
-Blockly.VariableModel.prototype.getId = function() {
-  return this.id_;
-};
-
-/**
- * A custom compare function for the VariableModel objects.
- * @param {Blockly.VariableModel} var1 First variable to compare.
- * @param {Blockly.VariableModel} var2 Second variable to compare.
- * @return {number} -1 if name of var1 is less than name of var2, 0 if equal,
- *     and 1 if greater.
- * @package
- */
-Blockly.VariableModel.compareByName = function(var1, var2) {
-  var name1 = var1.name.toLowerCase();
-  var name2 = var2.name.toLowerCase();
-  if (name1 < name2) {
-    return -1;
-  } else if (name1 == name2) {
-    return 0;
-  } else {
-    return 1;
-  }
-};
diff --git a/core/variable_model.ts b/core/variable_model.ts
new file mode 100644
index 00000000000..0728a3d564d
--- /dev/null
+++ b/core/variable_model.ts
@@ -0,0 +1,79 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Components for the variable model.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.VariableModel
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_var_create.js';
+
+import * as idGenerator from './utils/idgenerator.js';
+import type {Workspace} from './workspace.js';
+
+/**
+ * Class for a variable model.
+ * Holds information for the variable including name, ID, and type.
+ *
+ * @see {Blockly.FieldVariable}
+ */
+export class VariableModel {
+  type: string;
+  private readonly id_: string;
+
+  /**
+   * @param workspace The variable's workspace.
+   * @param name The name of the variable.  This is the user-visible name (e.g.
+   *     'my var' or '私の変数'), not the generated name.
+   * @param opt_type The type of the variable like 'int' or 'string'.
+   *     Does not need to be unique. Field_variable can filter variables based
+   * on their type. This will default to '' which is a specific type.
+   * @param opt_id The unique ID of the variable. This will default to a UUID.
+   */
+  constructor(
+    public workspace: Workspace,
+    public name: string,
+    opt_type?: string,
+    opt_id?: string,
+  ) {
+    /**
+     * The type of the variable, such as 'int' or 'sound_effect'. This may be
+     * used to build a list of variables of a specific type. By default this is
+     * the empty string '', which is a specific type.
+     *
+     * @see {Blockly.FieldVariable}
+     */
+    this.type = opt_type || '';
+
+    /**
+     * A unique ID for the variable. This should be defined at creation and
+     * not change, even if the name changes. In most cases this should be a
+     * UUID.
+     */
+    this.id_ = opt_id || idGenerator.genUid();
+  }
+
+  /** @returns The ID for the variable. */
+  getId(): string {
+    return this.id_;
+  }
+
+  /**
+   * A custom compare function for the VariableModel objects.
+   *
+   * @param var1 First variable to compare.
+   * @param var2 Second variable to compare.
+   * @returns -1 if name of var1 is less than name of var2, 0 if equal, and 1 if
+   *     greater.
+   * @internal
+   */
+  static compareByName(var1: VariableModel, var2: VariableModel): number {
+    return var1.name.localeCompare(var2.name, undefined, {sensitivity: 'base'});
+  }
+}
diff --git a/core/variables.js b/core/variables.js
deleted file mode 100644
index fc2f5821f33..00000000000
--- a/core/variables.js
+++ /dev/null
@@ -1,571 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utility functions for handling variables.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.Variables
- * @namespace
- */
-goog.provide('Blockly.Variables');
-
-goog.require('Blockly.Blocks');
-goog.require('Blockly.Msg');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.xml');
-goog.require('Blockly.VariableModel');
-goog.require('Blockly.Xml');
-
-
-/**
- * Constant to separate variable names from procedures and generated functions
- * when running generators.
- * @deprecated Use Blockly.VARIABLE_CATEGORY_NAME
- */
-Blockly.Variables.NAME_TYPE = Blockly.VARIABLE_CATEGORY_NAME;
-
-/**
- * Find all user-created variables that are in use in the workspace.
- * For use by generators.
- * To get a list of all variables on a workspace, including unused variables,
- * call Workspace.getAllVariables.
- * @param {!Blockly.Workspace} ws The workspace to search for variables.
- * @return {!Array.<!Blockly.VariableModel>} Array of variable models.
- */
-Blockly.Variables.allUsedVarModels = function(ws) {
-  var blocks = ws.getAllBlocks(false);
-  var variableHash = Object.create(null);
-  // Iterate through every block and add each variable to the hash.
-  for (var i = 0; i < blocks.length; i++) {
-    var blockVariables = blocks[i].getVarModels();
-    if (blockVariables) {
-      for (var j = 0; j < blockVariables.length; j++) {
-        var variable = blockVariables[j];
-        var id = variable.getId();
-        if (id) {
-          variableHash[id] = variable;
-        }
-      }
-    }
-  }
-  // Flatten the hash into a list.
-  var variableList = [];
-  for (var id in variableHash) {
-    variableList.push(variableHash[id]);
-  }
-  return variableList;
-};
-
-/**
- * @private
- * @type {Object<string,boolean>}
- */
-Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_ = {};
-
-/**
- * Find all developer variables used by blocks in the workspace.
- * Developer variables are never shown to the user, but are declared as global
- * variables in the generated code.
- * To declare developer variables, define the getDeveloperVariables function on
- * your block and return a list of variable names.
- * For use by generators.
- * @param {!Blockly.Workspace} workspace The workspace to search.
- * @return {!Array.<string>} A list of non-duplicated variable names.
- */
-Blockly.Variables.allDeveloperVariables = function(workspace) {
-  var blocks = workspace.getAllBlocks(false);
-  var variableHash = Object.create(null);
-  for (var i = 0, block; (block = blocks[i]); i++) {
-    var getDeveloperVariables = block.getDeveloperVariables;
-    if (!getDeveloperVariables && block.getDeveloperVars) {
-      // August 2018: getDeveloperVars() was deprecated and renamed
-      // getDeveloperVariables().
-      getDeveloperVariables = block.getDeveloperVars;
-      if (!Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_[
-          block.type]) {
-        console.warn('Function getDeveloperVars() deprecated. Use ' +
-            'getDeveloperVariables() (block type \'' + block.type + '\')');
-        Blockly.Variables.ALL_DEVELOPER_VARS_WARNINGS_BY_BLOCK_TYPE_[
-            block.type] = true;
-      }
-    }
-    if (getDeveloperVariables) {
-      var devVars = getDeveloperVariables();
-      for (var j = 0; j < devVars.length; j++) {
-        variableHash[devVars[j]] = true;
-      }
-    }
-  }
-
-  // Flatten the hash into a list.
-  return Object.keys(variableHash);
-};
-
-/**
- * Construct the elements (blocks and button) required by the flyout for the
- * variable category.
- * @param {!Blockly.Workspace} workspace The workspace containing variables.
- * @return {!Array.<!Element>} Array of XML elements.
- */
-Blockly.Variables.flyoutCategory = function(workspace) {
-  var xmlList = [];
-  var button = document.createElement('button');
-  button.setAttribute('text', '%{BKY_NEW_VARIABLE}');
-  button.setAttribute('callbackKey', 'CREATE_VARIABLE');
-
-  workspace.registerButtonCallback('CREATE_VARIABLE', function(button) {
-    Blockly.Variables.createVariableButtonHandler(button.getTargetWorkspace());
-  });
-
-  xmlList.push(button);
-
-  var blockList = Blockly.Variables.flyoutCategoryBlocks(workspace);
-  xmlList = xmlList.concat(blockList);
-  return xmlList;
-};
-
-/**
- * Construct the blocks required by the flyout for the variable category.
- * @param {!Blockly.Workspace} workspace The workspace containing variables.
- * @return {!Array.<!Element>} Array of XML block elements.
- */
-Blockly.Variables.flyoutCategoryBlocks = function(workspace) {
-  var variableModelList = workspace.getVariablesOfType('');
-
-  var xmlList = [];
-  if (variableModelList.length > 0) {
-    // New variables are added to the end of the variableModelList.
-    var mostRecentVariable = variableModelList[variableModelList.length - 1];
-    if (Blockly.Blocks['variables_set']) {
-      var block = Blockly.utils.xml.createElement('block');
-      block.setAttribute('type', 'variables_set');
-      block.setAttribute('gap', Blockly.Blocks['math_change'] ? 8 : 24);
-      block.appendChild(
-          Blockly.Variables.generateVariableFieldDom(mostRecentVariable));
-      xmlList.push(block);
-    }
-    if (Blockly.Blocks['math_change']) {
-      var block = Blockly.utils.xml.createElement('block');
-      block.setAttribute('type', 'math_change');
-      block.setAttribute('gap', Blockly.Blocks['variables_get'] ? 20 : 8);
-      block.appendChild(
-          Blockly.Variables.generateVariableFieldDom(mostRecentVariable));
-      var value = Blockly.Xml.textToDom(
-          '<value name="DELTA">' +
-          '<shadow type="math_number">' +
-          '<field name="NUM">1</field>' +
-          '</shadow>' +
-          '</value>');
-      block.appendChild(value);
-      xmlList.push(block);
-    }
-
-    if (Blockly.Blocks['variables_get']) {
-      variableModelList.sort(Blockly.VariableModel.compareByName);
-      for (var i = 0, variable; (variable = variableModelList[i]); i++) {
-        var block = Blockly.utils.xml.createElement('block');
-        block.setAttribute('type', 'variables_get');
-        block.setAttribute('gap', 8);
-        block.appendChild(Blockly.Variables.generateVariableFieldDom(variable));
-        xmlList.push(block);
-      }
-    }
-  }
-  return xmlList;
-};
-
-Blockly.Variables.VAR_LETTER_OPTIONS = 'ijkmnopqrstuvwxyzabcdefgh';  // No 'l'.
-
-/**
- * Return a new variable name that is not yet being used. This will try to
- * generate single letter variable names in the range 'i' to 'z' to start with.
- * If no unique name is located it will try 'i' to 'z', 'a' to 'h',
- * then 'i2' to 'z2' etc.  Skip 'l'.
- * @param {!Blockly.Workspace} workspace The workspace to be unique in.
- * @return {string} New variable name.
- */
-Blockly.Variables.generateUniqueName = function(workspace) {
-  return Blockly.Variables.generateUniqueNameFromOptions(
-      Blockly.Variables.VAR_LETTER_OPTIONS.charAt(0),
-      workspace.getAllVariableNames()
-  );
-};
-
-/**
- * Returns a unique name that is not present in the usedNames array. This
- * will try to generate single letter names in the range a -> z (skip l). It
- * will start with the character passed to startChar.
- * @param {string} startChar The character to start the search at.
- * @param {!Array.<string>} usedNames A list of all of the used names.
- * @return {string} A unique name that is not present in the usedNames array.
- */
-Blockly.Variables.generateUniqueNameFromOptions = function(startChar, usedNames) {
-  if (!usedNames.length) {
-    return startChar;
-  }
-
-  var letters = Blockly.Variables.VAR_LETTER_OPTIONS;
-  var suffix = '';
-  var letterIndex = letters.indexOf(startChar);
-  var potName = startChar;
-
-  // eslint-disable-next-line no-constant-condition
-  while (true) {
-    var inUse = false;
-    for (var i = 0; i < usedNames.length; i++) {
-      if (usedNames[i].toLowerCase() == potName) {
-        inUse = true;
-        break;
-      }
-    }
-    if (!inUse) {
-      return potName;
-    }
-
-    letterIndex++;
-    if (letterIndex == letters.length) {
-      // Reached the end of the character sequence so back to 'i'.
-      letterIndex = 0;
-      suffix = Number(suffix) + 1;
-    }
-    potName = letters.charAt(letterIndex) + suffix;
-  }
-};
-
-/**
- * Handles "Create Variable" button in the default variables toolbox category.
- * It will prompt the user for a variable name, including re-prompts if a name
- * is already in use among the workspace's variables.
- *
- * Custom button handlers can delegate to this function, allowing variables
- * types and after-creation processing. More complex customization (e.g.,
- * prompting for variable type) is beyond the scope of this function.
- *
- * @param {!Blockly.Workspace} workspace The workspace on which to create the
- *     variable.
- * @param {function(?string=)=} opt_callback A callback. It will be passed an
- *     acceptable new variable name, or null if change is to be aborted (cancel
- *     button), or undefined if an existing variable was chosen.
- * @param {string=} opt_type The type of the variable like 'int', 'string', or
- *     ''. This will default to '', which is a specific type.
- */
-Blockly.Variables.createVariableButtonHandler = function(
-    workspace, opt_callback, opt_type) {
-  var type = opt_type || '';
-  // This function needs to be named so it can be called recursively.
-  var promptAndCheckWithAlert = function(defaultName) {
-    Blockly.Variables.promptName(Blockly.Msg['NEW_VARIABLE_TITLE'], defaultName,
-        function(text) {
-          if (text) {
-            var existing =
-                Blockly.Variables.nameUsedWithAnyType(text, workspace);
-            if (existing) {
-              if (existing.type == type) {
-                var msg = Blockly.Msg['VARIABLE_ALREADY_EXISTS'].replace(
-                    '%1', existing.name);
-              } else {
-                var msg =
-                    Blockly.Msg['VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE'];
-                msg = msg.replace('%1', existing.name).replace('%2', existing.type);
-              }
-              Blockly.alert(msg,
-                  function() {
-                    promptAndCheckWithAlert(text);  // Recurse
-                  });
-            } else {
-              // No conflict
-              workspace.createVariable(text, type);
-              if (opt_callback) {
-                opt_callback(text);
-              }
-            }
-          } else {
-            // User canceled prompt.
-            if (opt_callback) {
-              opt_callback(null);
-            }
-          }
-        });
-  };
-  promptAndCheckWithAlert('');
-};
-
-/**
- * Original name of Blockly.Variables.createVariableButtonHandler(..).
- * @deprecated Use Blockly.Variables.createVariableButtonHandler(..).
- *
- * @param {!Blockly.Workspace} workspace The workspace on which to create the
- *     variable.
- * @param {function(?string=)=} opt_callback A callback. It will be passed an
- *     acceptable new variable name, or null if change is to be aborted (cancel
- *     button), or undefined if an existing variable was chosen.
- * @param {string=} opt_type The type of the variable like 'int', 'string', or
- *     ''. This will default to '', which is a specific type.
- */
-Blockly.Variables.createVariable =
-    Blockly.Variables.createVariableButtonHandler;
-
-/**
- * Opens a prompt that allows the user to enter a new name for a variable.
- * Triggers a rename if the new name is valid. Or re-prompts if there is a
- * collision.
- * @param {!Blockly.Workspace} workspace The workspace on which to rename the
- *     variable.
- * @param {Blockly.VariableModel} variable Variable to rename.
- * @param {function(?string=)=} opt_callback A callback. It will
- *     be passed an acceptable new variable name, or null if change is to be
- *     aborted (cancel button), or undefined if an existing variable was chosen.
- */
-Blockly.Variables.renameVariable = function(workspace, variable,
-    opt_callback) {
-  // This function needs to be named so it can be called recursively.
-  var promptAndCheckWithAlert = function(defaultName) {
-    var promptText =
-        Blockly.Msg['RENAME_VARIABLE_TITLE'].replace('%1', variable.name);
-    Blockly.Variables.promptName(promptText, defaultName,
-        function(newName) {
-          if (newName) {
-            var existing = Blockly.Variables.nameUsedWithOtherType_(newName,
-                variable.type, workspace);
-            if (existing) {
-              var msg = Blockly.Msg['VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE']
-                  .replace('%1', existing.name)
-                  .replace('%2', existing.type);
-              Blockly.alert(msg,
-                  function() {
-                    promptAndCheckWithAlert(newName);  // Recurse
-                  });
-            } else {
-              workspace.renameVariableById(variable.getId(), newName);
-              if (opt_callback) {
-                opt_callback(newName);
-              }
-            }
-          } else {
-            // User canceled prompt.
-            if (opt_callback) {
-              opt_callback(null);
-            }
-          }
-        });
-  };
-  promptAndCheckWithAlert('');
-};
-
-/**
- * Prompt the user for a new variable name.
- * @param {string} promptText The string of the prompt.
- * @param {string} defaultText The default value to show in the prompt's field.
- * @param {function(?string)} callback A callback. It will return the new
- *     variable name, or null if the user picked something illegal.
- */
-Blockly.Variables.promptName = function(promptText, defaultText, callback) {
-  Blockly.prompt(promptText, defaultText, function(newVar) {
-    // Merge runs of whitespace.  Strip leading and trailing whitespace.
-    // Beyond this, all names are legal.
-    if (newVar) {
-      newVar = newVar.replace(/[\s\xa0]+/g, ' ').trim();
-      if (newVar == Blockly.Msg['RENAME_VARIABLE'] ||
-          newVar == Blockly.Msg['NEW_VARIABLE']) {
-        // Ok, not ALL names are legal...
-        newVar = null;
-      }
-    }
-    callback(newVar);
-  });
-};
-
-/**
- * Check whether there exists a variable with the given name but a different
- * type.
- * @param {string} name The name to search for.
- * @param {string} type The type to exclude from the search.
- * @param {!Blockly.Workspace} workspace The workspace to search for the
- *     variable.
- * @return {Blockly.VariableModel} The variable with the given name and a
- *     different type, or null if none was found.
- * @private
- */
-Blockly.Variables.nameUsedWithOtherType_ = function(name, type, workspace) {
-  var allVariables = workspace.getVariableMap().getAllVariables();
-
-  name = name.toLowerCase();
-  for (var i = 0, variable; (variable = allVariables[i]); i++) {
-    if (variable.name.toLowerCase() == name && variable.type != type) {
-      return variable;
-    }
-  }
-  return null;
-};
-
-/**
- * Check whether there exists a variable with the given name of any type.
- * @param {string} name The name to search for.
- * @param {!Blockly.Workspace} workspace The workspace to search for the
- *     variable.
- * @return {Blockly.VariableModel} The variable with the given name,
- *     or null if none was found.
- */
-Blockly.Variables.nameUsedWithAnyType = function(name, workspace) {
-  var allVariables = workspace.getVariableMap().getAllVariables();
-
-  name = name.toLowerCase();
-  for (var i = 0, variable; (variable = allVariables[i]); i++) {
-    if (variable.name.toLowerCase() == name) {
-      return variable;
-    }
-  }
-  return null;
-};
-
-/**
- * Generate DOM objects representing a variable field.
- * @param {!Blockly.VariableModel} variableModel The variable model to
- *     represent.
- * @return {Element} The generated DOM.
- * @public
- */
-Blockly.Variables.generateVariableFieldDom = function(variableModel) {
-  /* Generates the following XML:
-   * <field name="VAR" id="goKTKmYJ8DhVHpruv" variabletype="int">foo</field>
-   */
-  var field = Blockly.utils.xml.createElement('field');
-  field.setAttribute('name', 'VAR');
-  field.setAttribute('id', variableModel.getId());
-  field.setAttribute('variabletype', variableModel.type);
-  var name = Blockly.utils.xml.createTextNode(variableModel.name);
-  field.appendChild(name);
-  return field;
-};
-
-/**
- * Helper function to look up or create a variable on the given workspace.
- * If no variable exists, creates and returns it.
- * @param {!Blockly.Workspace} workspace The workspace to search for the
- *     variable.  It may be a flyout workspace or main workspace.
- * @param {?string} id The ID to use to look up or create the variable, or null.
- * @param {string=} opt_name The string to use to look up or create the
- *     variable.
- * @param {string=} opt_type The type to use to look up or create the variable.
- * @return {!Blockly.VariableModel} The variable corresponding to the given ID
- *     or name + type combination.
- */
-Blockly.Variables.getOrCreateVariablePackage = function(workspace, id, opt_name,
-    opt_type) {
-  var variable = Blockly.Variables.getVariable(workspace, id, opt_name,
-      opt_type);
-  if (!variable) {
-    variable = Blockly.Variables.createVariable_(workspace, id, opt_name,
-        opt_type);
-  }
-  return variable;
-};
-
-/**
- * Look up  a variable on the given workspace.
- * Always looks in the main workspace before looking in the flyout workspace.
- * Always prefers lookup by ID to lookup by name + type.
- * @param {!Blockly.Workspace} workspace The workspace to search for the
- *     variable.  It may be a flyout workspace or main workspace.
- * @param {?string} id The ID to use to look up the variable, or null.
- * @param {string=} opt_name The string to use to look up the variable.
- *     Only used if lookup by ID fails.
- * @param {string=} opt_type The type to use to look up the variable.
- *     Only used if lookup by ID fails.
- * @return {Blockly.VariableModel} The variable corresponding to the given ID
- *     or name + type combination, or null if not found.
- * @public
- */
-Blockly.Variables.getVariable = function(workspace, id, opt_name, opt_type) {
-  var potentialVariableMap = workspace.getPotentialVariableMap();
-  var variable = null;
-  // Try to just get the variable, by ID if possible.
-  if (id) {
-    // Look in the real variable map before checking the potential variable map.
-    variable = workspace.getVariableById(id);
-    if (!variable && potentialVariableMap) {
-      variable = potentialVariableMap.getVariableById(id);
-    }
-    if (variable) {
-      return variable;
-    }
-  }
-  // If there was no ID, or there was an ID but it didn't match any variables,
-  // look up by name and type.
-  if (opt_name) {
-    if (opt_type == undefined) {
-      throw Error('Tried to look up a variable by name without a type');
-    }
-    // Otherwise look up by name and type.
-    variable = workspace.getVariable(opt_name, opt_type);
-    if (!variable && potentialVariableMap) {
-      variable = potentialVariableMap.getVariable(opt_name, opt_type);
-    }
-  }
-  return variable;
-};
-
-/**
- * Helper function to create a variable on the given workspace.
- * @param {!Blockly.Workspace} workspace The workspace in which to create the
- * variable.  It may be a flyout workspace or main workspace.
- * @param {?string} id The ID to use to create the variable, or null.
- * @param {string=} opt_name The string to use to create the variable.
- * @param {string=} opt_type The type to use to create the variable.
- * @return {!Blockly.VariableModel} The variable corresponding to the given ID
- *     or name + type combination.
- * @private
- */
-Blockly.Variables.createVariable_ = function(workspace, id, opt_name,
-    opt_type) {
-  var potentialVariableMap = workspace.getPotentialVariableMap();
-  // Variables without names get uniquely named for this workspace.
-  if (!opt_name) {
-    var ws = workspace.isFlyout ? workspace.targetWorkspace : workspace;
-    opt_name = Blockly.Variables.generateUniqueName(ws);
-  }
-
-  // Create a potential variable if in the flyout.
-  var variable = null;
-  if (potentialVariableMap) {
-    variable = potentialVariableMap.createVariable(opt_name, opt_type, id);
-  } else {  // In the main workspace, create a real variable.
-    variable = workspace.createVariable(opt_name, opt_type, id);
-  }
-  return variable;
-};
-
-/**
- * Helper function to get the list of variables that have been added to the
- * workspace after adding a new block, using the given list of variables that
- * were in the workspace before the new block was added.
- * @param {!Blockly.Workspace} workspace The workspace to inspect.
- * @param {!Array.<!Blockly.VariableModel>} originalVariables The array of
- *     variables that existed in the workspace before adding the new block.
- * @return {!Array.<!Blockly.VariableModel>} The new array of variables that
- *     were freshly added to the workspace after creating the new block,
- *     or [] if no new variables were added to the workspace.
- * @package
- */
-Blockly.Variables.getAddedVariables = function(workspace, originalVariables) {
-  var allCurrentVariables = workspace.getAllVariables();
-  var addedVariables = [];
-  if (originalVariables.length != allCurrentVariables.length) {
-    for (var i = 0; i < allCurrentVariables.length; i++) {
-      var variable = allCurrentVariables[i];
-      // For any variable that is present in allCurrentVariables but not
-      // present in originalVariables, add the variable to addedVariables.
-      if (originalVariables.indexOf(variable) == -1) {
-        addedVariables.push(variable);
-      }
-    }
-  }
-  return addedVariables;
-};
diff --git a/core/variables.ts b/core/variables.ts
new file mode 100644
index 00000000000..dee53a72bc8
--- /dev/null
+++ b/core/variables.ts
@@ -0,0 +1,655 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Variables
+
+import {Blocks} from './blocks.js';
+import * as dialog from './dialog.js';
+import {isVariableBackedParameterModel} from './interfaces/i_variable_backed_parameter_model.js';
+import {Msg} from './msg.js';
+import {isLegacyProcedureDefBlock} from './interfaces/i_legacy_procedure_blocks.js';
+import * as utilsXml from './utils/xml.js';
+import {VariableModel} from './variable_model.js';
+import type {Workspace} from './workspace.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * String for use in the "custom" attribute of a category in toolbox XML.
+ * This string indicates that the category should be dynamically populated with
+ * variable blocks.
+ * See also Blockly.Procedures.CATEGORY_NAME and
+ * Blockly.VariablesDynamic.CATEGORY_NAME.
+ */
+export const CATEGORY_NAME = 'VARIABLE';
+
+/**
+ * Find all user-created variables that are in use in the workspace.
+ * For use by generators.
+ * To get a list of all variables on a workspace, including unused variables,
+ * call Workspace.getAllVariables.
+ *
+ * @param ws The workspace to search for variables.
+ * @returns Array of variable models.
+ */
+export function allUsedVarModels(ws: Workspace): VariableModel[] {
+  const blocks = ws.getAllBlocks(false);
+  const variables = new Set<VariableModel>();
+  // Iterate through every block and add each variable to the set.
+  for (let i = 0; i < blocks.length; i++) {
+    const blockVariables = blocks[i].getVarModels();
+    if (blockVariables) {
+      for (let j = 0; j < blockVariables.length; j++) {
+        const variable = blockVariables[j];
+        const id = variable.getId();
+        if (id) {
+          variables.add(variable);
+        }
+      }
+    }
+  }
+  // Convert the set into a list.
+  return Array.from(variables.values());
+}
+
+/**
+ * Find all developer variables used by blocks in the workspace.
+ * Developer variables are never shown to the user, but are declared as global
+ * variables in the generated code.
+ * To declare developer variables, define the getDeveloperVariables function on
+ * your block and return a list of variable names.
+ * For use by generators.
+ *
+ * @param workspace The workspace to search.
+ * @returns A list of non-duplicated variable names.
+ */
+export function allDeveloperVariables(workspace: Workspace): string[] {
+  const blocks = workspace.getAllBlocks(false);
+  const variables = new Set<string>();
+  for (let i = 0, block; (block = blocks[i]); i++) {
+    const getDeveloperVariables = block.getDeveloperVariables;
+    if (getDeveloperVariables) {
+      const devVars = getDeveloperVariables();
+      for (let j = 0; j < devVars.length; j++) {
+        variables.add(devVars[j]);
+      }
+    }
+  }
+  // Convert the set into a list.
+  return Array.from(variables.values());
+}
+
+/**
+ * Construct the elements (blocks and button) required by the flyout for the
+ * variable category.
+ *
+ * @param workspace The workspace containing variables.
+ * @returns Array of XML elements.
+ */
+export function flyoutCategory(workspace: WorkspaceSvg): Element[] {
+  let xmlList = new Array<Element>();
+  const button = document.createElement('button');
+  button.setAttribute('text', '%{BKY_NEW_VARIABLE}');
+  button.setAttribute('callbackKey', 'CREATE_VARIABLE');
+
+  workspace.registerButtonCallback('CREATE_VARIABLE', function (button) {
+    createVariableButtonHandler(button.getTargetWorkspace());
+  });
+
+  xmlList.push(button);
+
+  const blockList = flyoutCategoryBlocks(workspace);
+  xmlList = xmlList.concat(blockList);
+  return xmlList;
+}
+
+/**
+ * Construct the blocks required by the flyout for the variable category.
+ *
+ * @param workspace The workspace containing variables.
+ * @returns Array of XML block elements.
+ */
+export function flyoutCategoryBlocks(workspace: Workspace): Element[] {
+  const variableModelList = workspace.getVariablesOfType('');
+
+  const xmlList = [];
+  if (variableModelList.length > 0) {
+    // New variables are added to the end of the variableModelList.
+    const mostRecentVariable = variableModelList[variableModelList.length - 1];
+    if (Blocks['variables_set']) {
+      const block = utilsXml.createElement('block');
+      block.setAttribute('type', 'variables_set');
+      block.setAttribute('gap', Blocks['math_change'] ? '8' : '24');
+      block.appendChild(generateVariableFieldDom(mostRecentVariable));
+      xmlList.push(block);
+    }
+    if (Blocks['math_change']) {
+      const block = utilsXml.createElement('block');
+      block.setAttribute('type', 'math_change');
+      block.setAttribute('gap', Blocks['variables_get'] ? '20' : '8');
+      block.appendChild(generateVariableFieldDom(mostRecentVariable));
+      const value = utilsXml.textToDom(
+        '<value name="DELTA">' +
+          '<shadow type="math_number">' +
+          '<field name="NUM">1</field>' +
+          '</shadow>' +
+          '</value>',
+      );
+      block.appendChild(value);
+      xmlList.push(block);
+    }
+
+    if (Blocks['variables_get']) {
+      variableModelList.sort(VariableModel.compareByName);
+      for (let i = 0, variable; (variable = variableModelList[i]); i++) {
+        const block = utilsXml.createElement('block');
+        block.setAttribute('type', 'variables_get');
+        block.setAttribute('gap', '8');
+        block.appendChild(generateVariableFieldDom(variable));
+        xmlList.push(block);
+      }
+    }
+  }
+  return xmlList;
+}
+
+export const VAR_LETTER_OPTIONS = 'ijkmnopqrstuvwxyzabcdefgh';
+
+/**
+ * Return a new variable name that is not yet being used. This will try to
+ * generate single letter variable names in the range 'i' to 'z' to start with.
+ * If no unique name is located it will try 'i' to 'z', 'a' to 'h',
+ * then 'i2' to 'z2' etc.  Skip 'l'.
+ *
+ * @param workspace The workspace to be unique in.
+ * @returns New variable name.
+ */
+export function generateUniqueName(workspace: Workspace): string {
+  return TEST_ONLY.generateUniqueNameInternal(workspace);
+}
+
+/**
+ * Private version of generateUniqueName for stubbing in tests.
+ */
+function generateUniqueNameInternal(workspace: Workspace): string {
+  return generateUniqueNameFromOptions(
+    VAR_LETTER_OPTIONS.charAt(0),
+    workspace.getAllVariableNames(),
+  );
+}
+
+/**
+ * Returns a unique name that is not present in the usedNames array. This
+ * will try to generate single letter names in the range a - z (skip l). It
+ * will start with the character passed to startChar.
+ *
+ * @param startChar The character to start the search at.
+ * @param usedNames A list of all of the used names.
+ * @returns A unique name that is not present in the usedNames array.
+ */
+export function generateUniqueNameFromOptions(
+  startChar: string,
+  usedNames: string[],
+): string {
+  if (!usedNames.length) {
+    return startChar;
+  }
+
+  const letters = VAR_LETTER_OPTIONS;
+  let suffix = '';
+  let letterIndex = letters.indexOf(startChar);
+  let potName = startChar;
+
+  // eslint-disable-next-line no-constant-condition
+  while (true) {
+    let inUse = false;
+    for (let i = 0; i < usedNames.length; i++) {
+      if (usedNames[i].toLowerCase() === potName) {
+        inUse = true;
+        break;
+      }
+    }
+    if (!inUse) {
+      break;
+    }
+
+    letterIndex++;
+    if (letterIndex === letters.length) {
+      // Reached the end of the character sequence so back to 'i'.
+      letterIndex = 0;
+      suffix = `${Number(suffix) + 1}`;
+    }
+    potName = letters.charAt(letterIndex) + suffix;
+  }
+  return potName;
+}
+
+/**
+ * Handles "Create Variable" button in the default variables toolbox category.
+ * It will prompt the user for a variable name, including re-prompts if a name
+ * is already in use among the workspace's variables.
+ *
+ * Custom button handlers can delegate to this function, allowing variables
+ * types and after-creation processing. More complex customization (e.g.,
+ * prompting for variable type) is beyond the scope of this function.
+ *
+ * @param workspace The workspace on which to create the variable.
+ * @param opt_callback A callback. It will be passed an acceptable new variable
+ *     name, or null if change is to be aborted (cancel button), or undefined if
+ *     an existing variable was chosen.
+ * @param opt_type The type of the variable like 'int', 'string', or ''. This
+ *     will default to '', which is a specific type.
+ */
+export function createVariableButtonHandler(
+  workspace: Workspace,
+  opt_callback?: (p1?: string | null) => void,
+  opt_type?: string,
+) {
+  const type = opt_type || '';
+  // This function needs to be named so it can be called recursively.
+  function promptAndCheckWithAlert(defaultName: string) {
+    promptName(Msg['NEW_VARIABLE_TITLE'], defaultName, function (text) {
+      if (!text) {
+        // User canceled prompt.
+        if (opt_callback) opt_callback(null);
+        return;
+      }
+
+      const existing = nameUsedWithAnyType(text, workspace);
+      if (!existing) {
+        // No conflict
+        workspace.createVariable(text, type);
+        if (opt_callback) opt_callback(text);
+        return;
+      }
+
+      let msg;
+      if (existing.type === type) {
+        msg = Msg['VARIABLE_ALREADY_EXISTS'].replace('%1', existing.name);
+      } else {
+        msg = Msg['VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE'];
+        msg = msg.replace('%1', existing.name).replace('%2', existing.type);
+      }
+      dialog.alert(msg, function () {
+        promptAndCheckWithAlert(text);
+      });
+    });
+  }
+  promptAndCheckWithAlert('');
+}
+
+/**
+ * Opens a prompt that allows the user to enter a new name for a variable.
+ * Triggers a rename if the new name is valid. Or re-prompts if there is a
+ * collision.
+ *
+ * @param workspace The workspace on which to rename the variable.
+ * @param variable Variable to rename.
+ * @param opt_callback A callback. It will be passed an acceptable new variable
+ *     name, or null if change is to be aborted (cancel button), or undefined if
+ *     an existing variable was chosen.
+ */
+export function renameVariable(
+  workspace: Workspace,
+  variable: VariableModel,
+  opt_callback?: (p1?: string | null) => void,
+) {
+  // This function needs to be named so it can be called recursively.
+  function promptAndCheckWithAlert(defaultName: string) {
+    const promptText = Msg['RENAME_VARIABLE_TITLE'].replace(
+      '%1',
+      variable.name,
+    );
+    promptName(promptText, defaultName, function (newName) {
+      if (!newName) {
+        // User canceled prompt.
+        if (opt_callback) opt_callback(null);
+        return;
+      }
+
+      const existing = nameUsedWithOtherType(newName, variable.type, workspace);
+      const procedure = nameUsedWithConflictingParam(
+        variable.name,
+        newName,
+        workspace,
+      );
+      if (!existing && !procedure) {
+        // No conflict.
+        workspace.renameVariableById(variable.getId(), newName);
+        if (opt_callback) opt_callback(newName);
+        return;
+      }
+
+      let msg = '';
+      if (existing) {
+        msg = Msg['VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE']
+          .replace('%1', existing.name)
+          .replace('%2', existing.type);
+      } else if (procedure) {
+        msg = Msg['VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER']
+          .replace('%1', newName)
+          .replace('%2', procedure);
+      }
+      dialog.alert(msg, function () {
+        promptAndCheckWithAlert(newName);
+      });
+    });
+  }
+  promptAndCheckWithAlert('');
+}
+
+/**
+ * Prompt the user for a new variable name.
+ *
+ * @param promptText The string of the prompt.
+ * @param defaultText The default value to show in the prompt's field.
+ * @param callback A callback. It will be passed the new variable name, or null
+ *     if the user picked something illegal.
+ */
+export function promptName(
+  promptText: string,
+  defaultText: string,
+  callback: (p1: string | null) => void,
+) {
+  dialog.prompt(promptText, defaultText, function (newVar) {
+    // Merge runs of whitespace.  Strip leading and trailing whitespace.
+    // Beyond this, all names are legal.
+    if (newVar) {
+      newVar = newVar.replace(/[\s\xa0]+/g, ' ').trim();
+      if (newVar === Msg['RENAME_VARIABLE'] || newVar === Msg['NEW_VARIABLE']) {
+        // Ok, not ALL names are legal...
+        newVar = null;
+      }
+    }
+    callback(newVar);
+  });
+}
+/**
+ * Check whether there exists a variable with the given name but a different
+ * type.
+ *
+ * @param name The name to search for.
+ * @param type The type to exclude from the search.
+ * @param workspace The workspace to search for the variable.
+ * @returns The variable with the given name and a different type, or null if
+ *     none was found.
+ */
+function nameUsedWithOtherType(
+  name: string,
+  type: string,
+  workspace: Workspace,
+): VariableModel | null {
+  const allVariables = workspace.getVariableMap().getAllVariables();
+
+  name = name.toLowerCase();
+  for (let i = 0, variable; (variable = allVariables[i]); i++) {
+    if (variable.name.toLowerCase() === name && variable.type !== type) {
+      return variable;
+    }
+  }
+  return null;
+}
+
+/**
+ * Check whether there exists a variable with the given name of any type.
+ *
+ * @param name The name to search for.
+ * @param workspace The workspace to search for the variable.
+ * @returns The variable with the given name, or null if none was found.
+ */
+export function nameUsedWithAnyType(
+  name: string,
+  workspace: Workspace,
+): VariableModel | null {
+  const allVariables = workspace.getVariableMap().getAllVariables();
+
+  name = name.toLowerCase();
+  for (let i = 0, variable; (variable = allVariables[i]); i++) {
+    if (variable.name.toLowerCase() === name) {
+      return variable;
+    }
+  }
+  return null;
+}
+
+/**
+ * Returns the name of the procedure with a conflicting parameter name, or null
+ * if one does not exist.
+ *
+ * This checks the procedure map if it contains models, and the legacy procedure
+ * blocks otherwise.
+ *
+ * @param oldName The old name of the variable.
+ * @param newName The proposed name of the variable.
+ * @param workspace The workspace to search for conflicting parameters.
+ * @internal
+ */
+export function nameUsedWithConflictingParam(
+  oldName: string,
+  newName: string,
+  workspace: Workspace,
+): string | null {
+  return workspace.getProcedureMap().getProcedures().length
+    ? checkForConflictingParamWithProcedureModels(oldName, newName, workspace)
+    : checkForConflictingParamWithLegacyProcedures(oldName, newName, workspace);
+}
+
+/**
+ * Returns the name of the procedure model with a conflicting param name, or
+ * null if one does not exist.
+ */
+function checkForConflictingParamWithProcedureModels(
+  oldName: string,
+  newName: string,
+  workspace: Workspace,
+): string | null {
+  oldName = oldName.toLowerCase();
+  newName = newName.toLowerCase();
+
+  const procedures = workspace.getProcedureMap().getProcedures();
+  for (const procedure of procedures) {
+    const params = procedure
+      .getParameters()
+      .filter(isVariableBackedParameterModel)
+      .map((param) => param.getVariableModel().name);
+    if (!params) continue;
+    const procHasOld = params.some((param) => param.toLowerCase() === oldName);
+    const procHasNew = params.some((param) => param.toLowerCase() === newName);
+    if (procHasOld && procHasNew) return procedure.getName();
+  }
+  return null;
+}
+
+/**
+ * Returns the name of the procedure block with a conflicting param name, or
+ * null if one does not exist.
+ */
+function checkForConflictingParamWithLegacyProcedures(
+  oldName: string,
+  newName: string,
+  workspace: Workspace,
+): string | null {
+  oldName = oldName.toLowerCase();
+  newName = newName.toLowerCase();
+
+  const blocks = workspace.getAllBlocks(false);
+  for (const block of blocks) {
+    if (!isLegacyProcedureDefBlock(block)) continue;
+    const def = block.getProcedureDef();
+    const params = def[1];
+    const blockHasOld = params.some((param) => param.toLowerCase() === oldName);
+    const blockHasNew = params.some((param) => param.toLowerCase() === newName);
+    if (blockHasOld && blockHasNew) return def[0];
+  }
+  return null;
+}
+
+/**
+ * Generate DOM objects representing a variable field.
+ *
+ * @param variableModel The variable model to represent.
+ * @returns The generated DOM.
+ */
+export function generateVariableFieldDom(
+  variableModel: VariableModel,
+): Element {
+  /* Generates the following XML:
+   * <field name="VAR" id="goKTKmYJ8DhVHpruv" variabletype="int">foo</field>
+   */
+  const field = utilsXml.createElement('field');
+  field.setAttribute('name', 'VAR');
+  field.setAttribute('id', variableModel.getId());
+  field.setAttribute('variabletype', variableModel.type);
+  const name = utilsXml.createTextNode(variableModel.name);
+  field.appendChild(name);
+  return field;
+}
+
+/**
+ * Helper function to look up or create a variable on the given workspace.
+ * If no variable exists, creates and returns it.
+ *
+ * @param workspace The workspace to search for the variable.  It may be a
+ *     flyout workspace or main workspace.
+ * @param id The ID to use to look up or create the variable, or null.
+ * @param opt_name The string to use to look up or create the variable.
+ * @param opt_type The type to use to look up or create the variable.
+ * @returns The variable corresponding to the given ID or name + type
+ *     combination.
+ */
+export function getOrCreateVariablePackage(
+  workspace: Workspace,
+  id: string | null,
+  opt_name?: string,
+  opt_type?: string,
+): VariableModel {
+  let variable = getVariable(workspace, id, opt_name, opt_type);
+  if (!variable) {
+    variable = createVariable(workspace, id, opt_name, opt_type);
+  }
+  return variable;
+}
+
+/**
+ * Look up  a variable on the given workspace.
+ * Always looks in the main workspace before looking in the flyout workspace.
+ * Always prefers lookup by ID to lookup by name + type.
+ *
+ * @param workspace The workspace to search for the variable.  It may be a
+ *     flyout workspace or main workspace.
+ * @param id The ID to use to look up the variable, or null.
+ * @param opt_name The string to use to look up the variable.
+ *     Only used if lookup by ID fails.
+ * @param opt_type The type to use to look up the variable.
+ *     Only used if lookup by ID fails.
+ * @returns The variable corresponding to the given ID or name + type
+ *     combination, or null if not found.
+ */
+export function getVariable(
+  workspace: Workspace,
+  id: string | null,
+  opt_name?: string,
+  opt_type?: string,
+): VariableModel | null {
+  const potentialVariableMap = workspace.getPotentialVariableMap();
+  let variable = null;
+  // Try to just get the variable, by ID if possible.
+  if (id) {
+    // Look in the real variable map before checking the potential variable map.
+    variable = workspace.getVariableById(id);
+    if (!variable && potentialVariableMap) {
+      variable = potentialVariableMap.getVariableById(id);
+    }
+    if (variable) {
+      return variable;
+    }
+  }
+  // If there was no ID, or there was an ID but it didn't match any variables,
+  // look up by name and type.
+  if (opt_name) {
+    if (opt_type === undefined) {
+      throw Error('Tried to look up a variable by name without a type');
+    }
+    // Otherwise look up by name and type.
+    variable = workspace.getVariable(opt_name, opt_type);
+    if (!variable && potentialVariableMap) {
+      variable = potentialVariableMap.getVariable(opt_name, opt_type);
+    }
+  }
+  return variable;
+}
+
+/**
+ * Helper function to create a variable on the given workspace.
+ *
+ * @param workspace The workspace in which to create the variable.  It may be a
+ *     flyout workspace or main workspace.
+ * @param id The ID to use to create the variable, or null.
+ * @param opt_name The string to use to create the variable.
+ * @param opt_type The type to use to create the variable.
+ * @returns The variable corresponding to the given ID or name + type
+ *     combination.
+ */
+function createVariable(
+  workspace: Workspace,
+  id: string | null,
+  opt_name?: string,
+  opt_type?: string,
+): VariableModel {
+  const potentialVariableMap = workspace.getPotentialVariableMap();
+  // Variables without names get uniquely named for this workspace.
+  if (!opt_name) {
+    const ws = workspace.isFlyout
+      ? (workspace as WorkspaceSvg).targetWorkspace
+      : workspace;
+    opt_name = generateUniqueName(ws!);
+  }
+
+  // Create a potential variable if in the flyout.
+  let variable = null;
+  if (potentialVariableMap) {
+    variable = potentialVariableMap.createVariable(opt_name, opt_type, id);
+  } else {
+    // In the main workspace, create a real variable.
+    variable = workspace.createVariable(opt_name, opt_type, id);
+  }
+  return variable;
+}
+
+/**
+ * Helper function to get the list of variables that have been added to the
+ * workspace after adding a new block, using the given list of variables that
+ * were in the workspace before the new block was added.
+ *
+ * @param workspace The workspace to inspect.
+ * @param originalVariables The array of variables that existed in the workspace
+ *     before adding the new block.
+ * @returns The new array of variables that were freshly added to the workspace
+ *     after creating the new block, or [] if no new variables were added to the
+ *     workspace.
+ * @internal
+ */
+export function getAddedVariables(
+  workspace: Workspace,
+  originalVariables: VariableModel[],
+): VariableModel[] {
+  const allCurrentVariables = workspace.getAllVariables();
+  const addedVariables = [];
+  if (originalVariables.length !== allCurrentVariables.length) {
+    for (let i = 0; i < allCurrentVariables.length; i++) {
+      const variable = allCurrentVariables[i];
+      // For any variable that is present in allCurrentVariables but not
+      // present in originalVariables, add the variable to addedVariables.
+      if (!originalVariables.includes(variable)) {
+        addedVariables.push(variable);
+      }
+    }
+  }
+  return addedVariables;
+}
+
+export const TEST_ONLY = {
+  generateUniqueNameInternal,
+};
diff --git a/core/variables_dynamic.js b/core/variables_dynamic.js
deleted file mode 100644
index d9669b68e25..00000000000
--- a/core/variables_dynamic.js
+++ /dev/null
@@ -1,100 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Utility functions for handling typed variables.
- *
- * @author duzc2dtw@gmail.com (Du Tian Wei)
- */
-'use strict';
-
-goog.provide('Blockly.VariablesDynamic');
-
-goog.require('Blockly.Variables');
-goog.require('Blockly.Blocks');
-goog.require('Blockly.Msg');
-goog.require('Blockly.utils.xml');
-goog.require('Blockly.VariableModel');
-
-
-Blockly.VariablesDynamic.onCreateVariableButtonClick_String = function(button) {
-  Blockly.Variables.createVariableButtonHandler(button.getTargetWorkspace(),
-      undefined, 'String');
-};
-Blockly.VariablesDynamic.onCreateVariableButtonClick_Number = function(button) {
-  Blockly.Variables.createVariableButtonHandler(button.getTargetWorkspace(),
-      undefined, 'Number');
-};
-Blockly.VariablesDynamic.onCreateVariableButtonClick_Colour = function(button) {
-  Blockly.Variables.createVariableButtonHandler(button.getTargetWorkspace(),
-      undefined, 'Colour');
-};
-/**
- * Construct the elements (blocks and button) required by the flyout for the
- * variable category.
- * @param {!Blockly.Workspace} workspace The workspace containing variables.
- * @return {!Array.<!Element>} Array of XML elements.
- */
-Blockly.VariablesDynamic.flyoutCategory = function(workspace) {
-  var xmlList = [];
-  var button = document.createElement('button');
-  button.setAttribute('text', Blockly.Msg['NEW_STRING_VARIABLE']);
-  button.setAttribute('callbackKey', 'CREATE_VARIABLE_STRING');
-  xmlList.push(button);
-  button = document.createElement('button');
-  button.setAttribute('text', Blockly.Msg['NEW_NUMBER_VARIABLE']);
-  button.setAttribute('callbackKey', 'CREATE_VARIABLE_NUMBER');
-  xmlList.push(button);
-  button = document.createElement('button');
-  button.setAttribute('text', Blockly.Msg['NEW_COLOUR_VARIABLE']);
-  button.setAttribute('callbackKey', 'CREATE_VARIABLE_COLOUR');
-  xmlList.push(button);
-
-  workspace.registerButtonCallback('CREATE_VARIABLE_STRING',
-      Blockly.VariablesDynamic.onCreateVariableButtonClick_String);
-  workspace.registerButtonCallback('CREATE_VARIABLE_NUMBER',
-      Blockly.VariablesDynamic.onCreateVariableButtonClick_Number);
-  workspace.registerButtonCallback('CREATE_VARIABLE_COLOUR',
-      Blockly.VariablesDynamic.onCreateVariableButtonClick_Colour);
-
-
-  var blockList = Blockly.VariablesDynamic.flyoutCategoryBlocks(workspace);
-  xmlList = xmlList.concat(blockList);
-  return xmlList;
-};
-
-/**
- * Construct the blocks required by the flyout for the variable category.
- * @param {!Blockly.Workspace} workspace The workspace containing variables.
- * @return {!Array.<!Element>} Array of XML block elements.
- */
-Blockly.VariablesDynamic.flyoutCategoryBlocks = function(workspace) {
-  var variableModelList = workspace.getAllVariables();
-
-  var xmlList = [];
-  if (variableModelList.length > 0) {
-    if (Blockly.Blocks['variables_set_dynamic']) {
-      var firstVariable = variableModelList[variableModelList.length - 1];
-      var block = Blockly.utils.xml.createElement('block');
-      block.setAttribute('type', 'variables_set_dynamic');
-      block.setAttribute('gap', 24);
-      block.appendChild(
-          Blockly.Variables.generateVariableFieldDom(firstVariable));
-      xmlList.push(block);
-    }
-    if (Blockly.Blocks['variables_get_dynamic']) {
-      variableModelList.sort(Blockly.VariableModel.compareByName);
-      for (var i = 0, variable; (variable = variableModelList[i]); i++) {
-        var block = Blockly.utils.xml.createElement('block');
-        block.setAttribute('type', 'variables_get_dynamic');
-        block.setAttribute('gap', 8);
-        block.appendChild(Blockly.Variables.generateVariableFieldDom(variable));
-        xmlList.push(block);
-      }
-    }
-  }
-  return xmlList;
-};
diff --git a/core/variables_dynamic.ts b/core/variables_dynamic.ts
new file mode 100644
index 00000000000..6c44575490f
--- /dev/null
+++ b/core/variables_dynamic.ts
@@ -0,0 +1,143 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.VariablesDynamic
+
+import {Blocks} from './blocks.js';
+import {Msg} from './msg.js';
+import * as xml from './utils/xml.js';
+import {VariableModel} from './variable_model.js';
+import * as Variables from './variables.js';
+import type {Workspace} from './workspace.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+import type {FlyoutButton} from './flyout_button.js';
+
+/**
+ * String for use in the "custom" attribute of a category in toolbox XML.
+ * This string indicates that the category should be dynamically populated with
+ * variable blocks.
+ * See also Blockly.Variables.CATEGORY_NAME and
+ * Blockly.Procedures.CATEGORY_NAME.
+ */
+export const CATEGORY_NAME = 'VARIABLE_DYNAMIC';
+
+/**
+ * Click handler for a button that creates String variables.
+ *
+ * @param button
+ */
+function stringButtonClickHandler(button: FlyoutButton) {
+  Variables.createVariableButtonHandler(
+    button.getTargetWorkspace(),
+    undefined,
+    'String',
+  );
+}
+// eslint-disable-next-line camelcase
+export const onCreateVariableButtonClick_String = stringButtonClickHandler;
+
+/**
+ * Click handler for a button that creates Number variables.
+ *
+ * @param button
+ */
+function numberButtonClickHandler(button: FlyoutButton) {
+  Variables.createVariableButtonHandler(
+    button.getTargetWorkspace(),
+    undefined,
+    'Number',
+  );
+}
+// eslint-disable-next-line camelcase
+export const onCreateVariableButtonClick_Number = numberButtonClickHandler;
+
+/**
+ * Click handler for a button that creates Colour variables.
+ *
+ * @param button
+ */
+function colourButtonClickHandler(button: FlyoutButton) {
+  Variables.createVariableButtonHandler(
+    button.getTargetWorkspace(),
+    undefined,
+    'Colour',
+  );
+}
+// eslint-disable-next-line camelcase
+export const onCreateVariableButtonClick_Colour = colourButtonClickHandler;
+
+/**
+ * Construct the elements (blocks and button) required by the flyout for the
+ * variable category.
+ *
+ * @param workspace The workspace containing variables.
+ * @returns Array of XML elements.
+ */
+export function flyoutCategory(workspace: WorkspaceSvg): Element[] {
+  let xmlList = new Array<Element>();
+  let button = document.createElement('button');
+  button.setAttribute('text', Msg['NEW_STRING_VARIABLE']);
+  button.setAttribute('callbackKey', 'CREATE_VARIABLE_STRING');
+  xmlList.push(button);
+  button = document.createElement('button');
+  button.setAttribute('text', Msg['NEW_NUMBER_VARIABLE']);
+  button.setAttribute('callbackKey', 'CREATE_VARIABLE_NUMBER');
+  xmlList.push(button);
+  button = document.createElement('button');
+  button.setAttribute('text', Msg['NEW_COLOUR_VARIABLE']);
+  button.setAttribute('callbackKey', 'CREATE_VARIABLE_COLOUR');
+  xmlList.push(button);
+
+  workspace.registerButtonCallback(
+    'CREATE_VARIABLE_STRING',
+    stringButtonClickHandler,
+  );
+  workspace.registerButtonCallback(
+    'CREATE_VARIABLE_NUMBER',
+    numberButtonClickHandler,
+  );
+  workspace.registerButtonCallback(
+    'CREATE_VARIABLE_COLOUR',
+    colourButtonClickHandler,
+  );
+
+  const blockList = flyoutCategoryBlocks(workspace);
+  xmlList = xmlList.concat(blockList);
+  return xmlList;
+}
+
+/**
+ * Construct the blocks required by the flyout for the variable category.
+ *
+ * @param workspace The workspace containing variables.
+ * @returns Array of XML block elements.
+ */
+export function flyoutCategoryBlocks(workspace: Workspace): Element[] {
+  const variableModelList = workspace.getAllVariables();
+
+  const xmlList = [];
+  if (variableModelList.length > 0) {
+    if (Blocks['variables_set_dynamic']) {
+      const firstVariable = variableModelList[variableModelList.length - 1];
+      const block = xml.createElement('block');
+      block.setAttribute('type', 'variables_set_dynamic');
+      block.setAttribute('gap', '24');
+      block.appendChild(Variables.generateVariableFieldDom(firstVariable));
+      xmlList.push(block);
+    }
+    if (Blocks['variables_get_dynamic']) {
+      variableModelList.sort(VariableModel.compareByName);
+      for (let i = 0, variable; (variable = variableModelList[i]); i++) {
+        const block = xml.createElement('block');
+        block.setAttribute('type', 'variables_get_dynamic');
+        block.setAttribute('gap', '8');
+        block.appendChild(Variables.generateVariableFieldDom(variable));
+        xmlList.push(block);
+      }
+    }
+  }
+  return xmlList;
+}
diff --git a/core/warning.js b/core/warning.js
deleted file mode 100644
index dc8f83666c2..00000000000
--- a/core/warning.js
+++ /dev/null
@@ -1,200 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object representing a warning.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Warning');
-
-goog.require('Blockly.Bubble');
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.Ui');
-goog.require('Blockly.Icon');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * Class for a warning.
- * @param {!Blockly.Block} block The block associated with this warning.
- * @extends {Blockly.Icon}
- * @constructor
- */
-Blockly.Warning = function(block) {
-  Blockly.Warning.superClass_.constructor.call(this, block);
-  this.createIcon();
-  // The text_ object can contain multiple warnings.
-  this.text_ = {};
-};
-Blockly.utils.object.inherits(Blockly.Warning, Blockly.Icon);
-
-/**
- * Does this icon get hidden when the block is collapsed.
- */
-Blockly.Warning.prototype.collapseHidden = false;
-
-/**
- * Draw the warning icon.
- * @param {!Element} group The icon group.
- * @protected
- */
-Blockly.Warning.prototype.drawIcon_ = function(group) {
-  // Triangle with rounded corners.
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH,
-      {
-        'class': 'blocklyIconShape',
-        'd': 'M2,15Q-1,15 0.5,12L6.5,1.7Q8,-1 9.5,1.7L15.5,12Q17,15 14,15z'
-      },
-      group);
-  // Can't use a real '!' text character since different browsers and operating
-  // systems render it differently.
-  // Body of exclamation point.
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH,
-      {
-        'class': 'blocklyIconSymbol',
-        'd': 'm7,4.8v3.16l0.27,2.27h1.46l0.27,-2.27v-3.16z'
-      },
-      group);
-  // Dot of exclamation point.
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'class': 'blocklyIconSymbol',
-        'x': '7', 'y': '11', 'height': '2', 'width': '2'
-      },
-      group);
-};
-
-/**
- * Create the text for the warning's bubble.
- * @param {string} text The text to display.
- * @return {!SVGTextElement} The top-level node of the text.
- * @private
- */
-Blockly.Warning.textToDom_ = function(text) {
-  var paragraph = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.TEXT,
-      {
-        'class': 'blocklyText blocklyBubbleText blocklyNoPointerEvents',
-        'y': Blockly.Bubble.BORDER_WIDTH
-      },
-      null);
-  var lines = text.split('\n');
-  for (var i = 0; i < lines.length; i++) {
-    var tspanElement = Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.TSPAN,
-        {'dy': '1em', 'x': Blockly.Bubble.BORDER_WIDTH}, paragraph);
-    var textNode = document.createTextNode(lines[i]);
-    tspanElement.appendChild(textNode);
-  }
-  return paragraph;
-};
-
-/**
- * Show or hide the warning bubble.
- * @param {boolean} visible True if the bubble should be visible.
- */
-Blockly.Warning.prototype.setVisible = function(visible) {
-  if (visible == this.isVisible()) {
-    return;
-  }
-  Blockly.Events.fire(
-      new Blockly.Events.Ui(this.block_, 'warningOpen', !visible, visible));
-  if (visible) {
-    this.createBubble();
-  } else {
-    this.disposeBubble();
-  }
-};
-
-/**
- * Show the bubble.
- * @package
- */
-Blockly.Warning.prototype.createBubble = function() {
-  // TODO (#2943): This is package because comments steal this UI for
-  //  non-editable comments, but really this should be private.
-  this.paragraphElement_ = Blockly.Warning.textToDom_(this.getText());
-  this.bubble_ = new Blockly.Bubble(
-      /** @type {!Blockly.WorkspaceSvg} */ (this.block_.workspace),
-      this.paragraphElement_, this.block_.pathObject.svgPath,
-      /** @type {!Blockly.utils.Coordinate} */ (this.iconXY_), null, null);
-  // Expose this warning's block's ID on its top-level SVG group.
-  this.bubble_.setSvgId(this.block_.id);
-  if (this.block_.RTL) {
-    // Right-align the paragraph.
-    // This cannot be done until the bubble is rendered on screen.
-    var maxWidth = this.paragraphElement_.getBBox().width;
-    for (var i = 0, textElement;
-      (textElement = this.paragraphElement_.childNodes[i]); i++) {
-
-      textElement.setAttribute('text-anchor', 'end');
-      textElement.setAttribute('x', maxWidth + Blockly.Bubble.BORDER_WIDTH);
-    }
-  }
-  this.applyColour();
-};
-
-/**
- * Dispose of the bubble and references to it.
- * @package
- */
-Blockly.Warning.prototype.disposeBubble = function() {
-  // TODO (#2943): This is package because comments steal this UI for
-  //  non-editable comments, but really this should be private.
-  this.bubble_.dispose();
-  this.bubble_ = null;
-  this.body_ = null;
-  this.paragraphElement_ = null;
-};
-
-/**
- * Set this warning's text.
- * @param {string} text Warning text (or '' to delete). This supports
- *    linebreaks.
- * @param {string} id An ID for this text entry to be able to maintain
- *     multiple warnings.
- */
-Blockly.Warning.prototype.setText = function(text, id) {
-  if (this.text_[id] == text) {
-    return;
-  }
-  if (text) {
-    this.text_[id] = text;
-  } else {
-    delete this.text_[id];
-  }
-  if (this.isVisible()) {
-    this.setVisible(false);
-    this.setVisible(true);
-  }
-};
-
-/**
- * Get this warning's texts.
- * @return {string} All texts concatenated into one string.
- */
-Blockly.Warning.prototype.getText = function() {
-  var allWarnings = [];
-  for (var id in this.text_) {
-    allWarnings.push(this.text_[id]);
-  }
-  return allWarnings.join('\n');
-};
-
-/**
- * Dispose of this warning.
- */
-Blockly.Warning.prototype.dispose = function() {
-  this.block_.warning = null;
-  Blockly.Icon.prototype.dispose.call(this);
-};
diff --git a/core/widgetdiv.js b/core/widgetdiv.js
deleted file mode 100644
index 37631bd2b11..00000000000
--- a/core/widgetdiv.js
+++ /dev/null
@@ -1,241 +0,0 @@
-/**
- * @license
- * Copyright 2013 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview A div that floats on top of Blockly.  This singleton contains
- *     temporary HTML UI widgets that the user is currently interacting with.
- *     E.g. text input areas, colour pickers, context menus.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.WidgetDiv
- * @namespace
- */
-goog.provide('Blockly.WidgetDiv');
-
-goog.require('Blockly.utils.style');
-
-goog.requireType('Blockly.utils.Rect');
-goog.requireType('Blockly.utils.Size');
-
-
-/**
- * The object currently using this container.
- * @type {Object}
- * @private
- */
-Blockly.WidgetDiv.owner_ = null;
-
-/**
- * Optional cleanup function set by whichever object uses the widget.
- * @type {Function}
- * @private
- */
-Blockly.WidgetDiv.dispose_ = null;
-
-/**
- * A class name representing the current owner's workspace renderer.
- * @type {string}
- * @private
- */
-Blockly.WidgetDiv.rendererClassName_ = '';
-
-/**
- * A class name representing the current owner's workspace theme.
- * @type {string}
- * @private
- */
-Blockly.WidgetDiv.themeClassName_ = '';
-
-/**
- * Create the widget div and inject it onto the page.
- */
-Blockly.WidgetDiv.createDom = function() {
-  if (Blockly.WidgetDiv.DIV) {
-    return;  // Already created.
-  }
-  /**
-   * The HTML container for popup overlays (e.g. editor widgets).
-   * @type {!Element}
-   */
-  Blockly.WidgetDiv.DIV = document.createElement('div');
-  Blockly.WidgetDiv.DIV.className = 'blocklyWidgetDiv';
-  var container = Blockly.parentContainer || document.body;
-  container.appendChild(Blockly.WidgetDiv.DIV);
-};
-
-/**
- * Initialize and display the widget div.  Close the old one if needed.
- * @param {!Object} newOwner The object that will be using this container.
- * @param {boolean} rtl Right-to-left (true) or left-to-right (false).
- * @param {Function} dispose Optional cleanup function to be run when the
- *     widget is closed.
- */
-Blockly.WidgetDiv.show = function(newOwner, rtl, dispose) {
-  Blockly.WidgetDiv.hide();
-  Blockly.WidgetDiv.owner_ = newOwner;
-  Blockly.WidgetDiv.dispose_ = dispose;
-  var div = Blockly.WidgetDiv.DIV;
-  div.style.direction = rtl ? 'rtl' : 'ltr';
-  div.style.display = 'block';
-  var mainWorkspace =
-    /** @type {!Blockly.WorkspaceSvg} */ (Blockly.getMainWorkspace());
-  Blockly.WidgetDiv.rendererClassName_ =
-      mainWorkspace.getRenderer().getClassName();
-  Blockly.WidgetDiv.themeClassName_ = mainWorkspace.getTheme().getClassName();
-  Blockly.utils.dom.addClass(div, Blockly.WidgetDiv.rendererClassName_);
-  Blockly.utils.dom.addClass(div, Blockly.WidgetDiv.themeClassName_);
-};
-
-/**
- * Destroy the widget and hide the div.
- */
-Blockly.WidgetDiv.hide = function() {
-  if (!Blockly.WidgetDiv.isVisible()) {
-    return;
-  }
-  Blockly.WidgetDiv.owner_ = null;
-
-  var div = Blockly.WidgetDiv.DIV;
-  div.style.display = 'none';
-  div.style.left = '';
-  div.style.top = '';
-  Blockly.WidgetDiv.dispose_ && Blockly.WidgetDiv.dispose_();
-  Blockly.WidgetDiv.dispose_ = null;
-  div.textContent = '';
-
-  if (Blockly.WidgetDiv.rendererClassName_) {
-    Blockly.utils.dom.removeClass(div, Blockly.WidgetDiv.rendererClassName_);
-    Blockly.WidgetDiv.rendererClassName_ = '';
-  }
-  if (Blockly.WidgetDiv.themeClassName_) {
-    Blockly.utils.dom.removeClass(div, Blockly.WidgetDiv.themeClassName_);
-    Blockly.WidgetDiv.themeClassName_ = '';
-  }
-  (/** @type {!Blockly.WorkspaceSvg} */ (
-    Blockly.getMainWorkspace())).markFocused();
-};
-
-/**
- * Is the container visible?
- * @return {boolean} True if visible.
- */
-Blockly.WidgetDiv.isVisible = function() {
-  return !!Blockly.WidgetDiv.owner_;
-};
-
-/**
- * Destroy the widget and hide the div if it is being used by the specified
- * object.
- * @param {!Object} oldOwner The object that was using this container.
- */
-Blockly.WidgetDiv.hideIfOwner = function(oldOwner) {
-  if (Blockly.WidgetDiv.owner_ == oldOwner) {
-    Blockly.WidgetDiv.hide();
-  }
-};
-
-/**
- * Set the widget div's position and height.  This function does nothing clever:
- * it will not ensure that your widget div ends up in the visible window.
- * @param {number} x Horizontal location (window coordinates, not body).
- * @param {number} y Vertical location (window coordinates, not body).
- * @param {number} height The height of the widget div (pixels).
- * @private
- */
-Blockly.WidgetDiv.positionInternal_ = function(x, y, height) {
-  Blockly.WidgetDiv.DIV.style.left = x + 'px';
-  Blockly.WidgetDiv.DIV.style.top = y + 'px';
-  Blockly.WidgetDiv.DIV.style.height = height + 'px';
-};
-
-/**
- * Position the widget div based on an anchor rectangle.
- * The widget should be placed adjacent to but not overlapping the anchor
- * rectangle.  The preferred position is directly below and aligned to the left
- * (LTR) or right (RTL) side of the anchor.
- * @param {!Blockly.utils.Rect} viewportBBox The bounding rectangle of the
- *     current viewport, in window coordinates.
- * @param {!Blockly.utils.Rect} anchorBBox The bounding rectangle of the anchor,
- *     in window coordinates.
- * @param {!Blockly.utils.Size} widgetSize The size of the widget that is inside
- *     the widget div, in window coordinates.
- * @param {boolean} rtl Whether the workspace is in RTL mode.  This determines
- *     horizontal alignment.
- * @package
- */
-Blockly.WidgetDiv.positionWithAnchor = function(viewportBBox, anchorBBox,
-    widgetSize, rtl) {
-  var y = Blockly.WidgetDiv.calculateY_(viewportBBox, anchorBBox, widgetSize);
-  var x = Blockly.WidgetDiv.calculateX_(viewportBBox, anchorBBox, widgetSize,
-      rtl);
-
-  if (y < 0) {
-    Blockly.WidgetDiv.positionInternal_(x, 0, widgetSize.height + y);
-  } else {
-    Blockly.WidgetDiv.positionInternal_(x, y, widgetSize.height);
-  }
-};
-
-/**
- * Calculate an x position (in window coordinates) such that the widget will not
- * be offscreen on the right or left.
- * @param {!Blockly.utils.Rect} viewportBBox The bounding rectangle of the
- *     current viewport, in window coordinates.
- * @param {!Blockly.utils.Rect} anchorBBox The bounding rectangle of the anchor,
- *     in window coordinates.
- * @param {Blockly.utils.Size} widgetSize The dimensions of the widget inside the
- *     widget div.
- * @param {boolean} rtl Whether the Blockly workspace is in RTL mode.
- * @return {number} A valid x-coordinate for the top left corner of the widget
- *     div, in window coordinates.
- * @private
- */
-Blockly.WidgetDiv.calculateX_ = function(viewportBBox, anchorBBox, widgetSize,
-    rtl) {
-  if (rtl) {
-    // Try to align the right side of the field and the right side of widget.
-    var widgetLeft = anchorBBox.right - widgetSize.width;
-    // Don't go offscreen left.
-    var x = Math.max(widgetLeft, viewportBBox.left);
-    // But really don't go offscreen right:
-    return Math.min(x, viewportBBox.right - widgetSize.width);
-  } else {
-    // Try to align the left side of the field and the left side of widget.
-    // Don't go offscreen right.
-    var x = Math.min(anchorBBox.left, viewportBBox.right - widgetSize.width);
-    // But left is more important, because that's where the text is.
-    return Math.max(x, viewportBBox.left);
-  }
-};
-
-/**
- * Calculate a y position (in window coordinates) such that the widget will not
- * be offscreen on the top or bottom.
- * @param {!Blockly.utils.Rect} viewportBBox The bounding rectangle of the
- *     current viewport, in window coordinates.
- * @param {!Blockly.utils.Rect} anchorBBox The bounding rectangle of the anchor,
- *     in window coordinates.
- * @param {Blockly.utils.Size} widgetSize The dimensions of the widget inside the
- *     widget div.
- * @return {number} A valid y-coordinate for the top left corner of the widget
- *     div, in window coordinates.
- * @private
- */
-Blockly.WidgetDiv.calculateY_ = function(viewportBBox, anchorBBox, widgetSize) {
-  // Flip the widget vertically if off the bottom.
-  if (anchorBBox.bottom + widgetSize.height >= viewportBBox.bottom) {
-    // The bottom of the widget is at the top of the field.
-    return anchorBBox.top - widgetSize.height;
-    // The widget could go off the top of the window, but it would also go off
-    // the bottom.  The window is just too small.
-  } else {
-    // The top of the widget is at the bottom of the field.
-    return anchorBBox.bottom;
-  }
-};
diff --git a/core/widgetdiv.ts b/core/widgetdiv.ts
new file mode 100644
index 00000000000..9f58bb1c544
--- /dev/null
+++ b/core/widgetdiv.ts
@@ -0,0 +1,307 @@
+/**
+ * @license
+ * Copyright 2013 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.WidgetDiv
+
+import * as common from './common.js';
+import * as dom from './utils/dom.js';
+import {Field} from './field.js';
+import type {Rect} from './utils/rect.js';
+import type {Size} from './utils/size.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/** The object currently using this container. */
+let owner: unknown = null;
+
+/** The workspace associated with the owner currently using this container. */
+let ownerWorkspace: WorkspaceSvg | null = null;
+
+/** Optional cleanup function set by whichever object uses the widget. */
+let dispose: (() => void) | null = null;
+
+/** A class name representing the current owner's workspace container. */
+const containerClassName = 'blocklyWidgetDiv';
+
+/** A class name representing the current owner's workspace renderer. */
+let rendererClassName = '';
+
+/** A class name representing the current owner's workspace theme. */
+let themeClassName = '';
+
+/** The HTML container for popup overlays (e.g. editor widgets). */
+let containerDiv: HTMLDivElement | null;
+
+/**
+ * Returns the HTML container for editor widgets.
+ *
+ * @returns The editor widget container.
+ */
+export function getDiv(): HTMLDivElement | null {
+  return containerDiv;
+}
+
+/**
+ * Allows unit tests to reset the div. Do not use outside of tests.
+ *
+ * @param newDiv The new value for the DIV field.
+ * @internal
+ */
+export function testOnly_setDiv(newDiv: HTMLDivElement | null) {
+  containerDiv = newDiv;
+  if (newDiv === null) {
+    document.querySelector('.' + containerClassName)?.remove();
+  }
+}
+
+/**
+ * Create the widget div and inject it onto the page.
+ */
+export function createDom() {
+  const container = common.getParentContainer() || document.body;
+
+  if (document.querySelector('.' + containerClassName)) {
+    containerDiv = document.querySelector('.' + containerClassName);
+  } else {
+    containerDiv = document.createElement('div') as HTMLDivElement;
+    containerDiv.className = containerClassName;
+  }
+
+  container.appendChild(containerDiv!);
+}
+
+/**
+ * Initialize and display the widget div.  Close the old one if needed.
+ *
+ * @param newOwner The object that will be using this container.
+ * @param rtl Right-to-left (true) or left-to-right (false).
+ * @param newDispose Optional cleanup function to be run when the widget is
+ *     closed.
+ * @param workspace The workspace associated with the widget owner.
+ */
+export function show(
+  newOwner: unknown,
+  rtl: boolean,
+  newDispose: () => void,
+  workspace?: WorkspaceSvg | null,
+) {
+  hide();
+  owner = newOwner;
+  dispose = newDispose;
+  const div = containerDiv;
+  if (!div) return;
+  div.style.direction = rtl ? 'rtl' : 'ltr';
+  div.style.display = 'block';
+  if (!workspace && newOwner instanceof Field) {
+    // For backward compatibility with plugin fields that do not provide a
+    // workspace to this function, attempt to derive it from the field.
+    workspace = (newOwner as Field).getSourceBlock()?.workspace as WorkspaceSvg;
+  }
+  ownerWorkspace = workspace ?? null;
+  const rendererWorkspace =
+    workspace ?? (common.getMainWorkspace() as WorkspaceSvg);
+  rendererClassName = rendererWorkspace.getRenderer().getClassName();
+  themeClassName = rendererWorkspace.getTheme().getClassName();
+  if (rendererClassName) {
+    dom.addClass(div, rendererClassName);
+  }
+  if (themeClassName) {
+    dom.addClass(div, themeClassName);
+  }
+}
+
+/**
+ * Destroy the widget and hide the div.
+ */
+export function hide() {
+  if (!isVisible()) {
+    return;
+  }
+  owner = null;
+
+  const div = containerDiv;
+  if (!div) return;
+  div.style.display = 'none';
+  div.style.left = '';
+  div.style.top = '';
+  dispose && dispose();
+  dispose = null;
+  div.textContent = '';
+
+  if (rendererClassName) {
+    dom.removeClass(div, rendererClassName);
+    rendererClassName = '';
+  }
+  if (themeClassName) {
+    dom.removeClass(div, themeClassName);
+    themeClassName = '';
+  }
+  (common.getMainWorkspace() as WorkspaceSvg).markFocused();
+}
+
+/**
+ * Is the container visible?
+ *
+ * @returns True if visible.
+ */
+export function isVisible(): boolean {
+  return !!owner;
+}
+
+/**
+ * Destroy the widget and hide the div if it is being used by the specified
+ * object.
+ *
+ * @param oldOwner The object that was using this container.
+ */
+export function hideIfOwner(oldOwner: unknown) {
+  if (owner === oldOwner) {
+    hide();
+  }
+}
+
+/**
+ * Destroy the widget and hide the div if it is being used by an object in the
+ * specified workspace, or if it is used by an unknown workspace.
+ *
+ * @param oldOwnerWorkspace The workspace that was using this container.
+ */
+export function hideIfOwnerIsInWorkspace(oldOwnerWorkspace: WorkspaceSvg) {
+  if (ownerWorkspace === null || ownerWorkspace === oldOwnerWorkspace) {
+    hide();
+  }
+}
+
+/**
+ * Set the widget div's position and height.  This function does nothing clever:
+ * it will not ensure that your widget div ends up in the visible window.
+ *
+ * @param x Horizontal location (window coordinates, not body).
+ * @param y Vertical location (window coordinates, not body).
+ * @param height The height of the widget div (pixels).
+ */
+function positionInternal(x: number, y: number, height: number) {
+  containerDiv!.style.left = x + 'px';
+  containerDiv!.style.top = y + 'px';
+  containerDiv!.style.height = height + 'px';
+}
+
+/**
+ * Position the widget div based on an anchor rectangle.
+ * The widget should be placed adjacent to but not overlapping the anchor
+ * rectangle.  The preferred position is directly below and aligned to the left
+ * (LTR) or right (RTL) side of the anchor.
+ *
+ * @param viewportBBox The bounding rectangle of the current viewport, in window
+ *     coordinates.
+ * @param anchorBBox The bounding rectangle of the anchor, in window
+ *     coordinates.
+ * @param widgetSize The size of the widget that is inside the widget div, in
+ *     window coordinates.
+ * @param rtl Whether the workspace is in RTL mode.  This determines horizontal
+ *     alignment.
+ * @internal
+ */
+export function positionWithAnchor(
+  viewportBBox: Rect,
+  anchorBBox: Rect,
+  widgetSize: Size,
+  rtl: boolean,
+) {
+  const y = calculateY(viewportBBox, anchorBBox, widgetSize);
+  const x = calculateX(viewportBBox, anchorBBox, widgetSize, rtl);
+
+  if (y < 0) {
+    positionInternal(x, 0, widgetSize.height + y);
+  } else {
+    positionInternal(x, y, widgetSize.height);
+  }
+}
+
+/**
+ * Calculate an x position (in window coordinates) such that the widget will not
+ * be offscreen on the right or left.
+ *
+ * @param viewportBBox The bounding rectangle of the current viewport, in window
+ *     coordinates.
+ * @param anchorBBox The bounding rectangle of the anchor, in window
+ *     coordinates.
+ * @param widgetSize The dimensions of the widget inside the widget div.
+ * @param rtl Whether the Blockly workspace is in RTL mode.
+ * @returns A valid x-coordinate for the top left corner of the widget div, in
+ *     window coordinates.
+ */
+function calculateX(
+  viewportBBox: Rect,
+  anchorBBox: Rect,
+  widgetSize: Size,
+  rtl: boolean,
+): number {
+  if (rtl) {
+    // Try to align the right side of the field and the right side of widget.
+    const widgetLeft = anchorBBox.right - widgetSize.width;
+    // Don't go offscreen left.
+    const x = Math.max(widgetLeft, viewportBBox.left);
+    // But really don't go offscreen right:
+    return Math.min(x, viewportBBox.right - widgetSize.width);
+  } else {
+    // Try to align the left side of the field and the left side of widget.
+    // Don't go offscreen right.
+    const x = Math.min(anchorBBox.left, viewportBBox.right - widgetSize.width);
+    // But left is more important, because that's where the text is.
+    return Math.max(x, viewportBBox.left);
+  }
+}
+
+/**
+ * Calculate a y position (in window coordinates) such that the widget will not
+ * be offscreen on the top or bottom.
+ *
+ * @param viewportBBox The bounding rectangle of the current viewport, in window
+ *     coordinates.
+ * @param anchorBBox The bounding rectangle of the anchor, in window
+ *     coordinates.
+ * @param widgetSize The dimensions of the widget inside the widget div.
+ * @returns A valid y-coordinate for the top left corner of the widget div, in
+ *     window coordinates.
+ */
+function calculateY(
+  viewportBBox: Rect,
+  anchorBBox: Rect,
+  widgetSize: Size,
+): number {
+  // Flip the widget vertically if off the bottom.
+  // The widget could go off the top of the window, but it would also go off
+  // the bottom.  The window is just too small.
+  if (anchorBBox.bottom + widgetSize.height >= viewportBBox.bottom) {
+    // The bottom of the widget is at the top of the field.
+    return anchorBBox.top - widgetSize.height;
+  } else {
+    // The top of the widget is at the bottom of the field.
+    return anchorBBox.bottom;
+  }
+}
+
+/**
+ * Determine if the owner is a field for purposes of repositioning.
+ * We can't simply check `instanceof Field` as that would introduce a circular
+ * dependency.
+ */
+function isRepositionable(item: any): item is Field {
+  return !!item?.repositionForWindowResize;
+}
+
+/**
+ * Reposition the widget div if the owner of it says to.
+ * If the owner isn't a field, just give up and hide it.
+ */
+export function repositionForWindowResize(): void {
+  if (!isRepositionable(owner) || !owner.repositionForWindowResize()) {
+    // If the owner is not a Field, or if the owner returns false from the
+    // reposition method, we should hide the widget div. Otherwise, we'll assume
+    // the owner handled any needed resize.
+    hide();
+  }
+}
diff --git a/core/workspace.js b/core/workspace.js
deleted file mode 100644
index e5e8b8c5284..00000000000
--- a/core/workspace.js
+++ /dev/null
@@ -1,786 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object representing a workspace.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Workspace');
-
-goog.require('Blockly.ConnectionChecker');
-goog.require('Blockly.Events');
-goog.require('Blockly.Options');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.math');
-goog.require('Blockly.VariableMap');
-
-goog.requireType('Blockly.IASTNodeLocation');
-goog.requireType('Blockly.IConnectionChecker');
-
-
-/**
- * Class for a workspace.  This is a data structure that contains blocks.
- * There is no UI, and can be created headlessly.
- * @param {!Blockly.Options=} opt_options Dictionary of options.
- * @constructor
- * @implements {Blockly.IASTNodeLocation}
- */
-Blockly.Workspace = function(opt_options) {
-  /** @type {string} */
-  this.id = Blockly.utils.genUid();
-  Blockly.Workspace.WorkspaceDB_[this.id] = this;
-  /** @type {!Blockly.Options} */
-  this.options = opt_options ||
-      new Blockly.Options(/** @type {!Blockly.BlocklyOptions} */ ({}));
-  /** @type {boolean} */
-  this.RTL = !!this.options.RTL;
-  /** @type {boolean} */
-  this.horizontalLayout = !!this.options.horizontalLayout;
-  /** @type {number} */
-  this.toolboxPosition = this.options.toolboxPosition;
-
-  var connectionCheckerClass = Blockly.registry.getClassFromOptions(
-      Blockly.registry.Type.CONNECTION_CHECKER, this.options);
-  /**
-   * An object that encapsulates logic for safety, type, and dragging checks.
-   * @type {!Blockly.IConnectionChecker}
-   */
-  this.connectionChecker = new connectionCheckerClass(this);
-
-  /**
-   * @type {!Array.<!Blockly.Block>}
-   * @private
-   */
-  this.topBlocks_ = [];
-  /**
-   * @type {!Array.<!Blockly.WorkspaceComment>}
-   * @private
-   */
-  this.topComments_ = [];
-  /**
-   * @type {!Object}
-   * @private
-   */
-  this.commentDB_ = Object.create(null);
-  /**
-   * @type {!Array.<!Function>}
-   * @private
-   */
-  this.listeners_ = [];
-  /**
-   * @type {!Array.<!Blockly.Events.Abstract>}
-   * @protected
-   */
-  this.undoStack_ = [];
-  /**
-   * @type {!Array.<!Blockly.Events.Abstract>}
-   * @protected
-   */
-  this.redoStack_ = [];
-  /**
-   * @type {!Object}
-   * @private
-   */
-  this.blockDB_ = Object.create(null);
-  /**
-   * @type {!Object}
-   * @private
-   */
-  this.typedBlocksDB_ = Object.create(null);
-
-  /**
-   * A map from variable type to list of variable names.  The lists contain all
-   * of the named variables in the workspace, including variables
-   * that are not currently in use.
-   * @type {!Blockly.VariableMap}
-   * @private
-   */
-  this.variableMap_ = new Blockly.VariableMap(this);
-
-  /**
-   * Blocks in the flyout can refer to variables that don't exist in the main
-   * workspace.  For instance, the "get item in list" block refers to an "item"
-   * variable regardless of whether the variable has been created yet.
-   * A FieldVariable must always refer to a Blockly.VariableModel.  We reconcile
-   * these by tracking "potential" variables in the flyout.  These variables
-   * become real when references to them are dragged into the main workspace.
-   * @type {Blockly.VariableMap}
-   * @private
-   */
-  this.potentialVariableMap_ = null;
-};
-
-/**
- * Returns `true` if the workspace is visible and `false` if it's headless.
- * @type {boolean}
- */
-Blockly.Workspace.prototype.rendered = false;
-
-/**
- * Returns `true` if the workspace is currently in the process of a bulk clear.
- * @type {boolean}
- * @package
- */
-Blockly.Workspace.prototype.isClearing = false;
-
-/**
- * Maximum number of undo events in stack. `0` turns off undo, `Infinity` sets
- * it to unlimited.
- * @type {number}
- */
-Blockly.Workspace.prototype.MAX_UNDO = 1024;
-
-/**
- * Set of databases for rapid lookup of connection locations.
- * @type {Array.<!Blockly.ConnectionDB>}
- */
-Blockly.Workspace.prototype.connectionDBList = null;
-
-/**
- * Dispose of this workspace.
- * Unlink from all DOM elements to prevent memory leaks.
- * @suppress {checkTypes}
- */
-Blockly.Workspace.prototype.dispose = function() {
-  this.listeners_.length = 0;
-  this.clear();
-  // Remove from workspace database.
-  delete Blockly.Workspace.WorkspaceDB_[this.id];
-};
-
-/**
- * Angle away from the horizontal to sweep for blocks.  Order of execution is
- * generally top to bottom, but a small angle changes the scan to give a bit of
- * a left to right bias (reversed in RTL).  Units are in degrees.
- * See: https://tvtropes.org/pmwiki/pmwiki.php/Main/DiagonalBilling
- */
-Blockly.Workspace.SCAN_ANGLE = 3;
-
-/**
- * Compare function for sorting objects (blocks, comments, etc) by position;
- *    top to bottom (with slight LTR or RTL bias).
- * @param {!Blockly.Block | !Blockly.WorkspaceComment} a The first object to
- *    compare.
- * @param {!Blockly.Block | !Blockly.WorkspaceComment} b The second object to
- *    compare.
- * @return {number} The comparison value. This tells Array.sort() how to change
- *    object a's index.
- * @private
- */
-Blockly.Workspace.prototype.sortObjects_ = function(a, b) {
-  var aXY = a.getRelativeToSurfaceXY();
-  var bXY = b.getRelativeToSurfaceXY();
-  return (aXY.y + Blockly.Workspace.prototype.sortObjects_.offset * aXY.x) -
-      (bXY.y + Blockly.Workspace.prototype.sortObjects_.offset * bXY.x);
-};
-
-/**
- * Adds a block to the list of top blocks.
- * @param {!Blockly.Block} block Block to add.
- */
-Blockly.Workspace.prototype.addTopBlock = function(block) {
-  this.topBlocks_.push(block);
-};
-
-/**
- * Removes a block from the list of top blocks.
- * @param {!Blockly.Block} block Block to remove.
- */
-Blockly.Workspace.prototype.removeTopBlock = function(block) {
-  if (!Blockly.utils.arrayRemove(this.topBlocks_, block)) {
-    throw Error('Block not present in workspace\'s list of top-most blocks.');
-  }
-};
-
-/**
- * Finds the top-level blocks and returns them.  Blocks are optionally sorted
- * by position; top to bottom (with slight LTR or RTL bias).
- * @param {boolean} ordered Sort the list if true.
- * @return {!Array.<!Blockly.Block>} The top-level block objects.
- */
-Blockly.Workspace.prototype.getTopBlocks = function(ordered) {
-  // Copy the topBlocks_ list.
-  var blocks = [].concat(this.topBlocks_);
-  if (ordered && blocks.length > 1) {
-    this.sortObjects_.offset =
-        Math.sin(Blockly.utils.math.toRadians(Blockly.Workspace.SCAN_ANGLE));
-    if (this.RTL) {
-      this.sortObjects_.offset *= -1;
-    }
-    blocks.sort(this.sortObjects_);
-  }
-  return blocks;
-};
-
-/**
- * Add a block to the list of blocks keyed by type.
- * @param {!Blockly.Block} block Block to add.
- */
-Blockly.Workspace.prototype.addTypedBlock = function(block) {
-  if (!this.typedBlocksDB_[block.type]) {
-    this.typedBlocksDB_[block.type] = [];
-  }
-  this.typedBlocksDB_[block.type].push(block);
-};
-
-/**
- * Remove a block from the list of blocks keyed by type.
- * @param {!Blockly.Block} block Block to remove.
- */
-Blockly.Workspace.prototype.removeTypedBlock = function(block) {
-  this.typedBlocksDB_[block.type].splice(this.typedBlocksDB_[block.type]
-      .indexOf(block), 1);
-  if (!this.typedBlocksDB_[block.type].length) {
-    delete this.typedBlocksDB_[block.type];
-  }
-};
-
-/**
- * Finds the blocks with the associated type and returns them. Blocks are
- * optionally sorted by position; top to bottom (with slight LTR or RTL bias).
- * @param {string} type The type of block to search for.
- * @param {boolean} ordered Sort the list if true.
- * @return {!Array.<!Blockly.Block>} The blocks of the given type.
- */
-Blockly.Workspace.prototype.getBlocksByType = function(type, ordered) {
-  if (!this.typedBlocksDB_[type]) {
-    return [];
-  }
-  var blocks = this.typedBlocksDB_[type].slice(0);
-  if (ordered && blocks.length > 1) {
-    this.sortObjects_.offset =
-        Math.sin(Blockly.utils.math.toRadians(Blockly.Workspace.SCAN_ANGLE));
-    if (this.RTL) {
-      this.sortObjects_.offset *= -1;
-    }
-    blocks.sort(this.sortObjects_);
-  }
-  return blocks;
-};
-
-/**
- * Adds a comment to the list of top comments.
- * @param {!Blockly.WorkspaceComment} comment comment to add.
- * @package
- */
-Blockly.Workspace.prototype.addTopComment = function(comment) {
-  this.topComments_.push(comment);
-
-  // Note: If the comment database starts to hold block comments, this may need
-  // to move to a separate function.
-  if (this.commentDB_[comment.id]) {
-    console.warn('Overriding an existing comment on this workspace, with id "' +
-        comment.id + '"');
-  }
-  this.commentDB_[comment.id] = comment;
-};
-
-/**
- * Removes a comment from the list of top comments.
- * @param {!Blockly.WorkspaceComment} comment comment to remove.
- * @package
- */
-Blockly.Workspace.prototype.removeTopComment = function(comment) {
-  if (!Blockly.utils.arrayRemove(this.topComments_, comment)) {
-    throw Error('Comment not present in workspace\'s list of top-most ' +
-        'comments.');
-  }
-  // Note: If the comment database starts to hold block comments, this may need
-  // to move to a separate function.
-  delete this.commentDB_[comment.id];
-};
-
-/**
- * Finds the top-level comments and returns them.  Comments are optionally
- * sorted by position; top to bottom (with slight LTR or RTL bias).
- * @param {boolean} ordered Sort the list if true.
- * @return {!Array.<!Blockly.WorkspaceComment>} The top-level comment objects.
- * @package
- */
-Blockly.Workspace.prototype.getTopComments = function(ordered) {
-  // Copy the topComments_ list.
-  var comments = [].concat(this.topComments_);
-  if (ordered && comments.length > 1) {
-    this.sortObjects_.offset =
-        Math.sin(Blockly.utils.math.toRadians(Blockly.Workspace.SCAN_ANGLE));
-    if (this.RTL) {
-      this.sortObjects_.offset *= -1;
-    }
-    comments.sort(this.sortObjects_);
-  }
-  return comments;
-};
-
-/**
- * Find all blocks in workspace.  Blocks are optionally sorted
- * by position; top to bottom (with slight LTR or RTL bias).
- * @param {boolean} ordered Sort the list if true.
- * @return {!Array.<!Blockly.Block>} Array of blocks.
- */
-Blockly.Workspace.prototype.getAllBlocks = function(ordered) {
-  if (ordered) {
-    // Slow, but ordered.
-    var topBlocks = this.getTopBlocks(true);
-    var blocks = [];
-    for (var i = 0; i < topBlocks.length; i++) {
-      blocks.push.apply(blocks, topBlocks[i].getDescendants(true));
-    }
-  } else {
-    // Fast, but in no particular order.
-    var blocks = this.getTopBlocks(false);
-    for (var i = 0; i < blocks.length; i++) {
-      blocks.push.apply(blocks, blocks[i].getChildren(false));
-    }
-  }
-
-  // Insertion markers exist on the workspace for rendering reasons, but aren't
-  // "real" blocks from a developer perspective.
-  var filtered = blocks.filter(function(block) {
-    return !block.isInsertionMarker();
-  });
-
-  return filtered;
-};
-
-/**
- * Dispose of all blocks and comments in workspace.
- */
-Blockly.Workspace.prototype.clear = function() {
-  this.isClearing = true;
-  try {
-    var existingGroup = Blockly.Events.getGroup();
-    if (!existingGroup) {
-      Blockly.Events.setGroup(true);
-    }
-    while (this.topBlocks_.length) {
-      this.topBlocks_[0].dispose(false);
-    }
-    while (this.topComments_.length) {
-      this.topComments_[this.topComments_.length - 1].dispose(false);
-    }
-    if (!existingGroup) {
-      Blockly.Events.setGroup(false);
-    }
-    this.variableMap_.clear();
-    if (this.potentialVariableMap_) {
-      this.potentialVariableMap_.clear();
-    }
-  } finally {
-    this.isClearing = false;
-  }
-};
-
-/* Begin functions that are just pass-throughs to the variable map. */
-/**
- * Rename a variable by updating its name in the variable map. Identify the
- * variable to rename with the given ID.
- * @param {string} id ID of the variable to rename.
- * @param {string} newName New variable name.
- */
-Blockly.Workspace.prototype.renameVariableById = function(id, newName) {
-  this.variableMap_.renameVariableById(id, newName);
-};
-
-/**
- * Create a variable with a given name, optional type, and optional ID.
- * @param {string} name The name of the variable. This must be unique across
- *     variables and procedures.
- * @param {?string=} opt_type The type of the variable like 'int' or 'string'.
- *     Does not need to be unique. Field_variable can filter variables based on
- *     their type. This will default to '' which is a specific type.
- * @param {?string=} opt_id The unique ID of the variable. This will default to
- *     a UUID.
- * @return {!Blockly.VariableModel} The newly created variable.
- */
-Blockly.Workspace.prototype.createVariable = function(name, opt_type, opt_id) {
-  return this.variableMap_.createVariable(name, opt_type, opt_id);
-};
-
-/**
- * Find all the uses of the given variable, which is identified by ID.
- * @param {string} id ID of the variable to find.
- * @return {!Array.<!Blockly.Block>} Array of block usages.
- */
-Blockly.Workspace.prototype.getVariableUsesById = function(id) {
-  return this.variableMap_.getVariableUsesById(id);
-};
-
-/**
- * Delete a variables by the passed in ID and all of its uses from this
- * workspace. May prompt the user for confirmation.
- * @param {string} id ID of variable to delete.
- */
-Blockly.Workspace.prototype.deleteVariableById = function(id) {
-  this.variableMap_.deleteVariableById(id);
-};
-
-/**
- * Find the variable by the given name and return it. Return null if it is not
- *     found.
- * @param {string} name The name to check for.
- * @param {string=} opt_type The type of the variable.  If not provided it
- *     defaults to the empty string, which is a specific type.
- * @return {Blockly.VariableModel} The variable with the given name.
- */
-// TODO (#1559): Possibly delete this function after resolving #1559.
-Blockly.Workspace.prototype.getVariable = function(name, opt_type) {
-  return this.variableMap_.getVariable(name, opt_type);
-};
-
-/**
- * Find the variable by the given ID and return it. Return null if it is not
- *     found.
- * @param {string} id The ID to check for.
- * @return {Blockly.VariableModel} The variable with the given ID.
- */
-Blockly.Workspace.prototype.getVariableById = function(id) {
-  return this.variableMap_.getVariableById(id);
-};
-
-/**
- * Find the variable with the specified type. If type is null, return list of
- *     variables with empty string type.
- * @param {?string} type Type of the variables to find.
- * @return {!Array.<!Blockly.VariableModel>} The sought after variables of the
- *     passed in type. An empty array if none are found.
- */
-Blockly.Workspace.prototype.getVariablesOfType = function(type) {
-  return this.variableMap_.getVariablesOfType(type);
-};
-
-/**
- * Return all variable types.
- * @return {!Array.<string>} List of variable types.
- * @package
- */
-Blockly.Workspace.prototype.getVariableTypes = function() {
-  return this.variableMap_.getVariableTypes(this);
-};
-
-/**
- * Return all variables of all types.
- * @return {!Array.<!Blockly.VariableModel>} List of variable models.
- */
-Blockly.Workspace.prototype.getAllVariables = function() {
-  return this.variableMap_.getAllVariables();
-};
-
-/**
- * Returns all variable names of all types.
- * @return {!Array.<string>} List of all variable names of all types.
- */
-Blockly.Workspace.prototype.getAllVariableNames = function() {
-  return this.variableMap_.getAllVariableNames();
-};
-
-/* End functions that are just pass-throughs to the variable map. */
-
-/**
- * Returns the horizontal offset of the workspace.
- * Intended for LTR/RTL compatibility in XML.
- * Not relevant for a headless workspace.
- * @return {number} Width.
- */
-Blockly.Workspace.prototype.getWidth = function() {
-  return 0;
-};
-
-/**
- * Obtain a newly created block.
- * @param {!string} prototypeName Name of the language object containing
- *     type-specific functions for this block.
- * @param {string=} opt_id Optional ID.  Use this ID if provided, otherwise
- *     create a new ID.
- * @return {!Blockly.Block} The created block.
- */
-Blockly.Workspace.prototype.newBlock = function(prototypeName, opt_id) {
-  return new Blockly.Block(this, prototypeName, opt_id);
-};
-
-/**
- * The number of blocks that may be added to the workspace before reaching
- *     the maxBlocks.
- * @return {number} Number of blocks left.
- */
-Blockly.Workspace.prototype.remainingCapacity = function() {
-  if (isNaN(this.options.maxBlocks)) {
-    return Infinity;
-  }
-
-  return this.options.maxBlocks - this.getAllBlocks(false).length;
-};
-
-/**
- * The number of blocks of the given type that may be added to the workspace
- *    before reaching the maxInstances allowed for that type.
- * @param {string} type Type of block to return capacity for.
- * @return {number} Number of blocks of type left.
- */
-Blockly.Workspace.prototype.remainingCapacityOfType = function(type) {
-  if (!this.options.maxInstances) {
-    return Infinity;
-  }
-
-  var maxInstanceOfType = (this.options.maxInstances[type] !== undefined) ?
-      this.options.maxInstances[type] : Infinity;
-
-  return maxInstanceOfType - this.getBlocksByType(type, false).length;
-};
-
-/**
- * Check if there is remaining capacity for blocks of the given counts to be
- *    created. If the total number of blocks represented by the map is more than
- *    the total remaining capacity, it returns false. If a type count is more
- *    than the remaining capacity for that type, it returns false.
- * @param {!Object} typeCountsMap A map of types to counts (usually representing
- *    blocks to be created).
- * @return {boolean} True if there is capacity for the given map,
- *    false otherwise.
- */
-Blockly.Workspace.prototype.isCapacityAvailable = function(typeCountsMap) {
-  if (!this.hasBlockLimits()) {
-    return true;
-  }
-  var copyableBlocksCount = 0;
-  for (var type in typeCountsMap) {
-    if (typeCountsMap[type] > this.remainingCapacityOfType(type)) {
-      return false;
-    }
-    copyableBlocksCount += typeCountsMap[type];
-  }
-  if (copyableBlocksCount > this.remainingCapacity()) {
-    return false;
-  }
-  return true;
-};
-
-/**
- * Checks if the workspace has any limits on the maximum number of blocks,
- *    or the maximum number of blocks of specific types.
- * @return {boolean} True if it has block limits, false otherwise.
- */
-Blockly.Workspace.prototype.hasBlockLimits = function() {
-  return this.options.maxBlocks != Infinity || !!this.options.maxInstances;
-};
-
-/**
- * Gets the undo stack for workplace.
- * @return {!Array.<!Blockly.Events.Abstract>} undo stack
- * @package
- */
-Blockly.Workspace.prototype.getUndoStack = function() {
-  return this.undoStack_;
-};
-
-/**
- * Gets the redo stack for workplace.
- * @return {!Array.<!Blockly.Events.Abstract>} redo stack
- * @package
- */
-Blockly.Workspace.prototype.getRedoStack = function() {
-  return this.redoStack_;
-};
-
-/**
- * Undo or redo the previous action.
- * @param {boolean} redo False if undo, true if redo.
- */
-Blockly.Workspace.prototype.undo = function(redo) {
-  var inputStack = redo ? this.redoStack_ : this.undoStack_;
-  var outputStack = redo ? this.undoStack_ : this.redoStack_;
-  var inputEvent = inputStack.pop();
-  if (!inputEvent) {
-    return;
-  }
-  var events = [inputEvent];
-  // Do another undo/redo if the next one is of the same group.
-  while (inputStack.length && inputEvent.group &&
-      inputEvent.group == inputStack[inputStack.length - 1].group) {
-    events.push(inputStack.pop());
-  }
-  // Push these popped events on the opposite stack.
-  for (var i = 0, event; (event = events[i]); i++) {
-    outputStack.push(event);
-  }
-  events = Blockly.Events.filter(events, redo);
-  Blockly.Events.recordUndo = false;
-  try {
-    for (var i = 0, event; (event = events[i]); i++) {
-      event.run(redo);
-    }
-  } finally {
-    Blockly.Events.recordUndo = true;
-  }
-};
-
-/**
- * Clear the undo/redo stacks.
- */
-Blockly.Workspace.prototype.clearUndo = function() {
-  this.undoStack_.length = 0;
-  this.redoStack_.length = 0;
-  // Stop any events already in the firing queue from being undoable.
-  Blockly.Events.clearPendingUndo();
-};
-
-/**
- * When something in this workspace changes, call a function.
- * Note that there may be a few recent events already on the stack.  Thus the
- * new change listener might be called with events that occurred a few
- * milliseconds before the change listener was added.
- * @param {!Function} func Function to call.
- * @return {!Function} Obsolete return value, ignore.
- */
-Blockly.Workspace.prototype.addChangeListener = function(func) {
-  this.listeners_.push(func);
-  return func;
-};
-
-/**
- * Stop listening for this workspace's changes.
- * @param {Function} func Function to stop calling.
- */
-Blockly.Workspace.prototype.removeChangeListener = function(func) {
-  Blockly.utils.arrayRemove(this.listeners_, func);
-};
-
-/**
- * Fire a change event.
- * @param {!Blockly.Events.Abstract} event Event to fire.
- */
-Blockly.Workspace.prototype.fireChangeListener = function(event) {
-  if (event.recordUndo) {
-    this.undoStack_.push(event);
-    this.redoStack_.length = 0;
-    while (this.undoStack_.length > this.MAX_UNDO && this.MAX_UNDO >= 0) {
-      this.undoStack_.shift();
-    }
-  }
-  for (var i = 0, func; (func = this.listeners_[i]); i++) {
-    func(event);
-  }
-};
-
-/**
- * Find the block on this workspace with the specified ID.
- * @param {string} id ID of block to find.
- * @return {Blockly.Block} The sought after block, or null if not found.
- */
-Blockly.Workspace.prototype.getBlockById = function(id) {
-  return this.blockDB_[id] || null;
-};
-
-/**
- * Set a block on this workspace with the specified ID.
- * @param {string} id ID of block to set.
- * @param {Blockly.Block} block The block to set.
- * @package
- */
-Blockly.Workspace.prototype.setBlockById = function(id, block) {
-  this.blockDB_[id] = block;
-};
-
-/**
- * Delete a block off this workspace with the specified ID.
- * @param {string} id ID of block to delete.
- * @package
- */
-Blockly.Workspace.prototype.removeBlockById = function(id) {
-  delete this.blockDB_[id];
-};
-
-/**
- * Find the comment on this workspace with the specified ID.
- * @param {string} id ID of comment to find.
- * @return {Blockly.WorkspaceComment} The sought after comment, or null if not
- *     found.
- * @package
- */
-Blockly.Workspace.prototype.getCommentById = function(id) {
-  return this.commentDB_[id] || null;
-};
-
-/**
- * Checks whether all value and statement inputs in the workspace are filled
- * with blocks.
- * @param {boolean=} opt_shadowBlocksAreFilled An optional argument controlling
- *     whether shadow blocks are counted as filled. Defaults to true.
- * @return {boolean} True if all inputs are filled, false otherwise.
- */
-Blockly.Workspace.prototype.allInputsFilled = function(
-    opt_shadowBlocksAreFilled) {
-  var blocks = this.getTopBlocks(false);
-  for (var i = 0, block; (block = blocks[i]); i++) {
-    if (!block.allInputsFilled(opt_shadowBlocksAreFilled)) {
-      return false;
-    }
-  }
-  return true;
-};
-
-/**
- * Return the variable map that contains "potential" variables.
- * These exist in the flyout but not in the workspace.
- * @return {Blockly.VariableMap} The potential variable map.
- * @package
- */
-Blockly.Workspace.prototype.getPotentialVariableMap = function() {
-  return this.potentialVariableMap_;
-};
-
-/**
- * Create and store the potential variable map for this workspace.
- * @package
- */
-Blockly.Workspace.prototype.createPotentialVariableMap = function() {
-  this.potentialVariableMap_ = new Blockly.VariableMap(this);
-};
-
-/**
- * Return the map of all variables on the workspace.
- * @return {!Blockly.VariableMap} The variable map.
- */
-Blockly.Workspace.prototype.getVariableMap = function() {
-  return this.variableMap_;
-};
-
-/**
- * Set the map of all variables on the workspace.
- * @param {!Blockly.VariableMap} variableMap The variable map.
- * @package
- */
-Blockly.Workspace.prototype.setVariableMap = function(variableMap) {
-  this.variableMap_ = variableMap;
-};
-
-/**
- * Database of all workspaces.
- * @private
- */
-Blockly.Workspace.WorkspaceDB_ = Object.create(null);
-
-/**
- * Find the workspace with the specified ID.
- * @param {string} id ID of workspace to find.
- * @return {Blockly.Workspace} The sought after workspace or null if not found.
- */
-Blockly.Workspace.getById = function(id) {
-  return Blockly.Workspace.WorkspaceDB_[id] || null;
-};
-
-/**
- * Find all workspaces.
- * @return {!Array.<!Blockly.Workspace>} Array of workspaces.
- */
-Blockly.Workspace.getAll = function() {
-  var workspaces = [];
-  for (var workspaceId in Blockly.Workspace.WorkspaceDB_) {
-    workspaces.push(Blockly.Workspace.WorkspaceDB_[workspaceId]);
-  }
-  return workspaces;
-};
diff --git a/core/workspace.ts b/core/workspace.ts
new file mode 100644
index 00000000000..2e9b2b0a1e9
--- /dev/null
+++ b/core/workspace.ts
@@ -0,0 +1,860 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Object representing a workspace.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.Workspace
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './connection_checker.js';
+
+import type {Block} from './block.js';
+import type {BlocklyOptions} from './blockly_options.js';
+import type {ConnectionDB} from './connection_db.js';
+import type {Abstract} from './events/events_abstract.js';
+import * as common from './common.js';
+import * as eventUtils from './events/utils.js';
+import type {IASTNodeLocation} from './interfaces/i_ast_node_location.js';
+import type {IConnectionChecker} from './interfaces/i_connection_checker.js';
+import {Options} from './options.js';
+import * as registry from './registry.js';
+import * as arrayUtils from './utils/array.js';
+import * as idGenerator from './utils/idgenerator.js';
+import * as math from './utils/math.js';
+import type * as toolbox from './utils/toolbox.js';
+import {VariableMap} from './variable_map.js';
+import type {VariableModel} from './variable_model.js';
+import {WorkspaceComment} from './comments/workspace_comment.js';
+import {IProcedureMap} from './interfaces/i_procedure_map.js';
+import {ObservableProcedureMap} from './observable_procedure_map.js';
+
+/**
+ * Class for a workspace.  This is a data structure that contains blocks.
+ * There is no UI, and can be created headlessly.
+ */
+export class Workspace implements IASTNodeLocation {
+  /**
+   * Angle away from the horizontal to sweep for blocks.  Order of execution is
+   * generally top to bottom, but a small angle changes the scan to give a bit
+   * of a left to right bias (reversed in RTL).  Units are in degrees. See:
+   * https://tvtropes.org/pmwiki/pmwiki.php/Main/DiagonalBilling
+   */
+  static SCAN_ANGLE = 3;
+  id: string;
+  options: Options;
+  RTL: boolean;
+  horizontalLayout: boolean;
+  toolboxPosition: toolbox.Position;
+
+  /**
+   * Returns `true` if the workspace is visible and `false` if it's headless.
+   */
+  rendered = false;
+
+  /**
+   * Is this workspace the surface for a flyout?
+   *
+   * @internal
+   */
+  internalIsFlyout = false;
+
+  /** Is this workspace the surface for a flyout? */
+  get isFlyout(): boolean {
+    return this.internalIsFlyout;
+  }
+
+  /**
+   * Is this workspace the surface for a mutator?
+   *
+   * @internal
+   */
+  internalIsMutator = false;
+
+  /** Is this workspace the surface for a mutator? */
+  get isMutator(): boolean {
+    return this.internalIsMutator;
+  }
+
+  /**
+   * Returns `true` if the workspace is currently in the process of a bulk
+   * clear.
+   *
+   * @internal
+   */
+  isClearing = false;
+
+  /**
+   * Maximum number of undo events in stack. `0` turns off undo, `Infinity`
+   * sets it to unlimited.
+   */
+  MAX_UNDO = 1024;
+
+  /** Set of databases for rapid lookup of connection locations. */
+  connectionDBList: ConnectionDB[] = [];
+  connectionChecker: IConnectionChecker;
+
+  private readonly topBlocks: Block[] = [];
+  private readonly topComments: WorkspaceComment[] = [];
+  private readonly commentDB = new Map<string, WorkspaceComment>();
+  private readonly listeners: Function[] = [];
+  protected undoStack_: Abstract[] = [];
+  protected redoStack_: Abstract[] = [];
+  private readonly blockDB = new Map<string, Block>();
+  private readonly typedBlocksDB = new Map<string, Block[]>();
+  private variableMap: VariableMap;
+  private procedureMap: IProcedureMap = new ObservableProcedureMap();
+
+  /**
+   * Blocks in the flyout can refer to variables that don't exist in the main
+   * workspace.  For instance, the "get item in list" block refers to an
+   * "item" variable regardless of whether the variable has been created yet.
+   * A FieldVariable must always refer to a VariableModel.  We reconcile
+   * these by tracking "potential" variables in the flyout.  These variables
+   * become real when references to them are dragged into the main workspace.
+   */
+  private potentialVariableMap: VariableMap | null = null;
+
+  /** @param opt_options Dictionary of options. */
+  constructor(opt_options?: Options) {
+    this.id = idGenerator.genUid();
+    common.registerWorkspace(this);
+    this.options = opt_options || new Options({} as BlocklyOptions);
+    this.RTL = !!this.options.RTL;
+    this.horizontalLayout = !!this.options.horizontalLayout;
+    this.toolboxPosition = this.options.toolboxPosition;
+
+    const connectionCheckerClass = registry.getClassFromOptions(
+      registry.Type.CONNECTION_CHECKER,
+      this.options,
+      true,
+    );
+    /**
+     * An object that encapsulates logic for safety, type, and dragging checks.
+     */
+    this.connectionChecker = new connectionCheckerClass!(this);
+
+    /**
+     * A map from variable type to list of variable names.  The lists contain
+     * all of the named variables in the workspace, including variables that are
+     * not currently in use.
+     */
+    this.variableMap = new VariableMap(this);
+  }
+
+  /**
+   * Dispose of this workspace.
+   * Unlink from all DOM elements to prevent memory leaks.
+   */
+  dispose() {
+    this.listeners.length = 0;
+    this.clear();
+    // Remove from workspace database.
+    common.unregisterWorkpace(this);
+  }
+
+  /**
+   * Compare function for sorting objects (blocks, comments, etc) by position;
+   *    top to bottom (with slight LTR or RTL bias).
+   *
+   * @param a The first object to compare.
+   * @param b The second object to compare.
+   * @returns The comparison value. This tells Array.sort() how to change object
+   *     a's index.
+   */
+  private sortObjects_(
+    a: Block | WorkspaceComment,
+    b: Block | WorkspaceComment,
+  ): number {
+    const offset =
+      Math.sin(math.toRadians(Workspace.SCAN_ANGLE)) * (this.RTL ? -1 : 1);
+    const aXY = a.getRelativeToSurfaceXY();
+    const bXY = b.getRelativeToSurfaceXY();
+    return aXY.y + offset * aXY.x - (bXY.y + offset * bXY.x);
+  }
+
+  /**
+   * Adds a block to the list of top blocks.
+   *
+   * @param block Block to add.
+   */
+  addTopBlock(block: Block) {
+    this.topBlocks.push(block);
+  }
+
+  /**
+   * Removes a block from the list of top blocks.
+   *
+   * @param block Block to remove.
+   */
+  removeTopBlock(block: Block) {
+    if (!arrayUtils.removeElem(this.topBlocks, block)) {
+      throw Error("Block not present in workspace's list of top-most blocks.");
+    }
+  }
+
+  /**
+   * Finds the top-level blocks and returns them.  Blocks are optionally sorted
+   * by position; top to bottom (with slight LTR or RTL bias).
+   *
+   * @param ordered Sort the list if true.
+   * @returns The top-level block objects.
+   */
+  getTopBlocks(ordered = false): Block[] {
+    // Copy the topBlocks list.
+    const blocks = new Array<Block>().concat(this.topBlocks);
+    if (ordered && blocks.length > 1) {
+      blocks.sort(this.sortObjects_.bind(this));
+    }
+    return blocks;
+  }
+
+  /**
+   * Add a block to the list of blocks keyed by type.
+   *
+   * @param block Block to add.
+   */
+  addTypedBlock(block: Block) {
+    if (!this.typedBlocksDB.has(block.type)) {
+      this.typedBlocksDB.set(block.type, []);
+    }
+    this.typedBlocksDB.get(block.type)!.push(block);
+  }
+
+  /**
+   * Remove a block from the list of blocks keyed by type.
+   *
+   * @param block Block to remove.
+   */
+  removeTypedBlock(block: Block) {
+    arrayUtils.removeElem(this.typedBlocksDB.get(block.type)!, block);
+    if (!this.typedBlocksDB.get(block.type)!.length) {
+      this.typedBlocksDB.delete(block.type);
+    }
+  }
+
+  /**
+   * Finds the blocks with the associated type and returns them. Blocks are
+   * optionally sorted by position; top to bottom (with slight LTR or RTL bias).
+   *
+   * @param type The type of block to search for.
+   * @param ordered Sort the list if true.
+   * @returns The blocks of the given type.
+   */
+  getBlocksByType(type: string, ordered = false): Block[] {
+    if (!this.typedBlocksDB.has(type)) {
+      return [];
+    }
+    const blocks = this.typedBlocksDB.get(type)!.slice(0);
+    if (ordered && blocks && blocks.length > 1) {
+      blocks.sort(this.sortObjects_.bind(this));
+    }
+
+    return blocks.filter(function (block: Block) {
+      return !block.isInsertionMarker();
+    });
+  }
+
+  /**
+   * Adds a comment to the list of top comments.
+   *
+   * @param comment comment to add.
+   * @internal
+   */
+  addTopComment(comment: WorkspaceComment) {
+    this.topComments.push(comment);
+
+    // Note: If the comment database starts to hold block comments, this may
+    // need to move to a separate function.
+    if (this.commentDB.has(comment.id)) {
+      console.warn(
+        'Overriding an existing comment on this workspace, with id "' +
+          comment.id +
+          '"',
+      );
+    }
+    this.commentDB.set(comment.id, comment);
+  }
+
+  /**
+   * Removes a comment from the list of top comments.
+   *
+   * @param comment comment to remove.
+   * @internal
+   */
+  removeTopComment(comment: WorkspaceComment) {
+    if (!arrayUtils.removeElem(this.topComments, comment)) {
+      throw Error(
+        "Comment not present in workspace's list of top-most " + 'comments.',
+      );
+    }
+    // Note: If the comment database starts to hold block comments, this may
+    // need to move to a separate function.
+    this.commentDB.delete(comment.id);
+  }
+
+  /**
+   * Finds the top-level comments and returns them.  Comments are optionally
+   * sorted by position; top to bottom (with slight LTR or RTL bias).
+   *
+   * @param ordered Sort the list if true.
+   * @returns The top-level comment objects.
+   * @internal
+   */
+  getTopComments(ordered = false): WorkspaceComment[] {
+    // Copy the topComments list.
+    const comments = new Array<WorkspaceComment>().concat(this.topComments);
+    if (ordered && comments.length > 1) {
+      comments.sort(this.sortObjects_.bind(this));
+    }
+    return comments;
+  }
+
+  /**
+   * Find all blocks in workspace.  Blocks are optionally sorted
+   * by position; top to bottom (with slight LTR or RTL bias).
+   *
+   * @param ordered Sort the list if true.
+   * @returns Array of blocks.
+   */
+  getAllBlocks(ordered = false): Block[] {
+    let blocks: Block[];
+    if (ordered) {
+      // Slow, but ordered.
+      const topBlocks = this.getTopBlocks(true);
+      blocks = [];
+      for (let i = 0; i < topBlocks.length; i++) {
+        blocks.push(...topBlocks[i].getDescendants(true));
+      }
+    } else {
+      // Fast, but in no particular order.
+      blocks = this.getTopBlocks(false);
+      for (let i = 0; i < blocks.length; i++) {
+        blocks.push(...blocks[i].getChildren(false));
+      }
+    }
+
+    // Insertion markers exist on the workspace for rendering reasons, but
+    // aren't "real" blocks from a developer perspective.
+    const filtered = blocks.filter(function (block) {
+      return !block.isInsertionMarker();
+    });
+
+    return filtered;
+  }
+
+  /** Dispose of all blocks and comments in workspace. */
+  clear() {
+    this.isClearing = true;
+    try {
+      const existingGroup = eventUtils.getGroup();
+      if (!existingGroup) {
+        eventUtils.setGroup(true);
+      }
+      while (this.topBlocks.length) {
+        this.topBlocks[0].dispose(false);
+      }
+      while (this.topComments.length) {
+        this.topComments[this.topComments.length - 1].dispose();
+      }
+      eventUtils.setGroup(existingGroup);
+      this.variableMap.clear();
+      if (this.potentialVariableMap) {
+        this.potentialVariableMap.clear();
+      }
+    } finally {
+      this.isClearing = false;
+    }
+  }
+
+  /* Begin functions that are just pass-throughs to the variable map. */
+  /**
+   * Rename a variable by updating its name in the variable map. Identify the
+   * variable to rename with the given ID.
+   *
+   * @param id ID of the variable to rename.
+   * @param newName New variable name.
+   */
+  renameVariableById(id: string, newName: string) {
+    this.variableMap.renameVariableById(id, newName);
+  }
+
+  /**
+   * Create a variable with a given name, optional type, and optional ID.
+   *
+   * @param name The name of the variable. This must be unique across variables
+   *     and procedures.
+   * @param opt_type The type of the variable like 'int' or 'string'.
+   *     Does not need to be unique. Field_variable can filter variables based
+   * on their type. This will default to '' which is a specific type.
+   * @param opt_id The unique ID of the variable. This will default to a UUID.
+   * @returns The newly created variable.
+   */
+  createVariable(
+    name: string,
+    opt_type?: string | null,
+    opt_id?: string | null,
+  ): VariableModel {
+    return this.variableMap.createVariable(name, opt_type, opt_id);
+  }
+
+  /**
+   * Find all the uses of the given variable, which is identified by ID.
+   *
+   * @param id ID of the variable to find.
+   * @returns Array of block usages.
+   */
+  getVariableUsesById(id: string): Block[] {
+    return this.variableMap.getVariableUsesById(id);
+  }
+
+  /**
+   * Delete a variables by the passed in ID and all of its uses from this
+   * workspace. May prompt the user for confirmation.
+   *
+   * @param id ID of variable to delete.
+   */
+  deleteVariableById(id: string) {
+    this.variableMap.deleteVariableById(id);
+  }
+
+  /**
+   * Find the variable by the given name and return it. Return null if not
+   * found.
+   *
+   * @param name The name to check for.
+   * @param opt_type The type of the variable.  If not provided it defaults to
+   *     the empty string, which is a specific type.
+   * @returns The variable with the given name.
+   */
+  getVariable(name: string, opt_type?: string): VariableModel | null {
+    // TODO (#1559): Possibly delete this function after resolving #1559.
+    return this.variableMap.getVariable(name, opt_type);
+  }
+
+  /**
+   * Find the variable by the given ID and return it. Return null if not found.
+   *
+   * @param id The ID to check for.
+   * @returns The variable with the given ID.
+   */
+  getVariableById(id: string): VariableModel | null {
+    return this.variableMap.getVariableById(id);
+  }
+
+  /**
+   * Find the variable with the specified type. If type is null, return list of
+   *     variables with empty string type.
+   *
+   * @param type Type of the variables to find.
+   * @returns The sought after variables of the passed in type. An empty array
+   *     if none are found.
+   */
+  getVariablesOfType(type: string | null): VariableModel[] {
+    return this.variableMap.getVariablesOfType(type);
+  }
+
+  /**
+   * Return all variable types.
+   *
+   * @returns List of variable types.
+   * @internal
+   */
+  getVariableTypes(): string[] {
+    return this.variableMap.getVariableTypes(this);
+  }
+
+  /**
+   * Return all variables of all types.
+   *
+   * @returns List of variable models.
+   */
+  getAllVariables(): VariableModel[] {
+    return this.variableMap.getAllVariables();
+  }
+
+  /**
+   * Returns all variable names of all types.
+   *
+   * @returns List of all variable names of all types.
+   */
+  getAllVariableNames(): string[] {
+    return this.variableMap.getAllVariableNames();
+  }
+  /* End functions that are just pass-throughs to the variable map. */
+  /**
+   * Returns the horizontal offset of the workspace.
+   * Intended for LTR/RTL compatibility in XML.
+   * Not relevant for a headless workspace.
+   *
+   * @returns Width.
+   */
+  getWidth(): number {
+    return 0;
+  }
+
+  /* eslint-disable jsdoc/require-returns-check */
+  /* eslint-disable @typescript-eslint/no-unused-vars */
+  /**
+   * Obtain a newly created block.
+   *
+   * @param prototypeName Name of the language object containing type-specific
+   *     functions for this block.
+   * @param opt_id Optional ID.  Use this ID if provided, otherwise create a new
+   *     ID.
+   * @returns The created block.
+   */
+  newBlock(prototypeName: string, opt_id?: string): Block {
+    throw new Error(
+      'The implementation of newBlock should be ' +
+        'monkey-patched in by blockly.ts',
+    );
+  }
+
+  /**
+   * Obtain a newly created comment.
+   *
+   * @param id Optional ID.  Use this ID if provided, otherwise create a new
+   *     ID.
+   * @returns The created comment.
+   */
+  newComment(id?: string): WorkspaceComment {
+    throw new Error(
+      'The implementation of newComment should be ' +
+        'monkey-patched in by blockly.ts',
+    );
+  }
+  /* eslint-enable */
+
+  /**
+   * The number of blocks that may be added to the workspace before reaching
+   *     the maxBlocks.
+   *
+   * @returns Number of blocks left.
+   */
+  remainingCapacity(): number {
+    if (isNaN(this.options.maxBlocks)) {
+      return Infinity;
+    }
+
+    return this.options.maxBlocks - this.getAllBlocks(false).length;
+  }
+
+  /**
+   * The number of blocks of the given type that may be added to the workspace
+   *    before reaching the maxInstances allowed for that type.
+   *
+   * @param type Type of block to return capacity for.
+   * @returns Number of blocks of type left.
+   */
+  remainingCapacityOfType(type: string): number {
+    if (!this.options.maxInstances) {
+      return Infinity;
+    }
+
+    const maxInstanceOfType =
+      this.options.maxInstances[type] !== undefined
+        ? this.options.maxInstances[type]
+        : Infinity;
+
+    return maxInstanceOfType - this.getBlocksByType(type, false).length;
+  }
+
+  /**
+   * Check if there is remaining capacity for blocks of the given counts to be
+   *    created. If the total number of blocks represented by the map is more
+   * than the total remaining capacity, it returns false. If a type count is
+   * more than the remaining capacity for that type, it returns false.
+   *
+   * @param typeCountsMap A map of types to counts (usually representing blocks
+   *     to be created).
+   * @returns True if there is capacity for the given map, false otherwise.
+   */
+  isCapacityAvailable(typeCountsMap: {[key: string]: number}): boolean {
+    if (!this.hasBlockLimits()) {
+      return true;
+    }
+    let copyableBlocksCount = 0;
+    for (const type in typeCountsMap) {
+      if (typeCountsMap[type] > this.remainingCapacityOfType(type)) {
+        return false;
+      }
+      copyableBlocksCount += typeCountsMap[type];
+    }
+    if (copyableBlocksCount > this.remainingCapacity()) {
+      return false;
+    }
+    return true;
+  }
+
+  /**
+   * Checks if the workspace has any limits on the maximum number of blocks,
+   *    or the maximum number of blocks of specific types.
+   *
+   * @returns True if it has block limits, false otherwise.
+   */
+  hasBlockLimits(): boolean {
+    return this.options.maxBlocks !== Infinity || !!this.options.maxInstances;
+  }
+
+  /**
+   * Gets the undo stack for workplace.
+   *
+   * @returns undo stack
+   * @internal
+   */
+  getUndoStack(): Abstract[] {
+    return this.undoStack_;
+  }
+
+  /**
+   * Gets the redo stack for workplace.
+   *
+   * @returns redo stack
+   * @internal
+   */
+  getRedoStack(): Abstract[] {
+    return this.redoStack_;
+  }
+
+  /**
+   * Undo or redo the previous action.
+   *
+   * @param redo False if undo, true if redo.
+   */
+  undo(redo: boolean) {
+    const inputStack = redo ? this.redoStack_ : this.undoStack_;
+    const outputStack = redo ? this.undoStack_ : this.redoStack_;
+    const inputEvent = inputStack.pop();
+    if (!inputEvent) {
+      return;
+    }
+    let events = [inputEvent];
+    // Do another undo/redo if the next one is of the same group.
+    while (
+      inputStack.length &&
+      inputEvent.group &&
+      inputEvent.group === inputStack[inputStack.length - 1].group
+    ) {
+      const event = inputStack.pop();
+      if (!event) continue;
+      events.push(event);
+    }
+    // Push these popped events on the opposite stack.
+    for (let i = 0; i < events.length; i++) {
+      const event = events[i];
+      outputStack.push(event);
+    }
+    events = eventUtils.filter(events, redo);
+    eventUtils.setRecordUndo(false);
+    try {
+      for (let i = 0; i < events.length; i++) {
+        const event = events[i];
+        event.run(redo);
+      }
+    } finally {
+      eventUtils.setRecordUndo(true);
+    }
+  }
+
+  /** Clear the undo/redo stacks. */
+  clearUndo() {
+    this.undoStack_.length = 0;
+    this.redoStack_.length = 0;
+    // Stop any events already in the firing queue from being undoable.
+    eventUtils.clearPendingUndo();
+  }
+
+  /**
+   * When something in this workspace changes, call a function.
+   * Note that there may be a few recent events already on the stack.  Thus the
+   * new change listener might be called with events that occurred a few
+   * milliseconds before the change listener was added.
+   *
+   * @param func Function to call.
+   * @returns Obsolete return value, ignore.
+   */
+  addChangeListener(func: (e: Abstract) => void): Function {
+    this.listeners.push(func);
+    return func;
+  }
+
+  /**
+   * Stop listening for this workspace's changes.
+   *
+   * @param func Function to stop calling.
+   */
+  removeChangeListener(func: Function) {
+    arrayUtils.removeElem(this.listeners, func);
+  }
+
+  /**
+   * Fire a change event.
+   *
+   * @param event Event to fire.
+   */
+  fireChangeListener(event: Abstract) {
+    if (event.recordUndo) {
+      this.undoStack_.push(event);
+      this.redoStack_.length = 0;
+      while (this.undoStack_.length > this.MAX_UNDO && this.MAX_UNDO >= 0) {
+        this.undoStack_.shift();
+      }
+    }
+    for (let i = 0; i < this.listeners.length; i++) {
+      const func = this.listeners[i];
+      func(event);
+    }
+  }
+
+  /**
+   * Find the block on this workspace with the specified ID.
+   *
+   * @param id ID of block to find.
+   * @returns The sought after block, or null if not found.
+   */
+  getBlockById(id: string): Block | null {
+    return this.blockDB.get(id) || null;
+  }
+
+  /**
+   * Set a block on this workspace with the specified ID.
+   *
+   * @param id ID of block to set.
+   * @param block The block to set.
+   * @internal
+   */
+  setBlockById(id: string, block: Block) {
+    this.blockDB.set(id, block);
+  }
+
+  /**
+   * Delete a block off this workspace with the specified ID.
+   *
+   * @param id ID of block to delete.
+   * @internal
+   */
+  removeBlockById(id: string) {
+    this.blockDB.delete(id);
+  }
+
+  /**
+   * Find the comment on this workspace with the specified ID.
+   *
+   * @param id ID of comment to find.
+   * @returns The sought after comment, or null if not found.
+   * @internal
+   */
+  getCommentById(id: string): WorkspaceComment | null {
+    return this.commentDB.get(id) ?? null;
+  }
+
+  /**
+   * Checks whether all value and statement inputs in the workspace are filled
+   * with blocks.
+   *
+   * @param opt_shadowBlocksAreFilled An optional argument controlling whether
+   *     shadow blocks are counted as filled. Defaults to true.
+   * @returns True if all inputs are filled, false otherwise.
+   */
+  allInputsFilled(opt_shadowBlocksAreFilled?: boolean): boolean {
+    const blocks = this.getTopBlocks(false);
+    for (let i = 0; i < blocks.length; i++) {
+      const block = blocks[i];
+      if (!block.allInputsFilled(opt_shadowBlocksAreFilled)) {
+        return false;
+      }
+    }
+    return true;
+  }
+
+  /**
+   * Return the variable map that contains "potential" variables.
+   * These exist in the flyout but not in the workspace.
+   *
+   * @returns The potential variable map.
+   * @internal
+   */
+  getPotentialVariableMap(): VariableMap | null {
+    return this.potentialVariableMap;
+  }
+
+  /**
+   * Create and store the potential variable map for this workspace.
+   *
+   * @internal
+   */
+  createPotentialVariableMap() {
+    this.potentialVariableMap = new VariableMap(this);
+  }
+
+  /**
+   * Return the map of all variables on the workspace.
+   *
+   * @returns The variable map.
+   */
+  getVariableMap(): VariableMap {
+    return this.variableMap;
+  }
+
+  /**
+   * Set the map of all variables on the workspace.
+   *
+   * @param variableMap The variable map.
+   * @internal
+   */
+  setVariableMap(variableMap: VariableMap) {
+    this.variableMap = variableMap;
+  }
+
+  /** Returns the map of all procedures on the workpace. */
+  getProcedureMap(): IProcedureMap {
+    return this.procedureMap;
+  }
+
+  /**
+   * Returns the root workspace of this workspace if the workspace has
+   * parent(s).
+   *
+   * E.g. workspaces in flyouts and mini workspace bubbles have parent
+   * workspaces.
+   */
+  getRootWorkspace(): Workspace | null {
+    let outerWs = null;
+    const parent = this.options.parentWorkspace;
+    // If we were in a flyout in a mutator, need to go up two levels to find
+    // the actual parent.
+    if (this.isFlyout) {
+      if (parent && parent.options) {
+        outerWs = parent.options.parentWorkspace;
+      }
+    } else if (parent) {
+      outerWs = parent;
+    }
+    return outerWs;
+  }
+
+  /**
+   * Find the workspace with the specified ID.
+   *
+   * @param id ID of workspace to find.
+   * @returns The sought after workspace or null if not found.
+   */
+  static getById(id: string): Workspace | null {
+    return common.getWorkspaceById(id);
+  }
+
+  /**
+   * Find all workspaces.
+   *
+   * @returns Array of workspaces.
+   */
+  static getAll(): Workspace[] {
+    return common.getAllWorkspaces();
+  }
+}
diff --git a/core/workspace_audio.js b/core/workspace_audio.js
deleted file mode 100644
index 3de7eb1f489..00000000000
--- a/core/workspace_audio.js
+++ /dev/null
@@ -1,153 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object in charge of loading, storing, and playing audio for a
- *     workspace.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.WorkspaceAudio');
-
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.global');
-goog.require('Blockly.utils.userAgent');
-
-
-/**
- * Class for loading, storing, and playing audio for a workspace.
- * @param {Blockly.WorkspaceSvg} parentWorkspace The parent of the workspace
- *     this audio object belongs to, or null.
- * @constructor
- */
-Blockly.WorkspaceAudio = function(parentWorkspace) {
-
-  /**
-   * The parent of the workspace this object belongs to, or null.  May be
-   * checked for sounds that this object can't find.
-   * @type {Blockly.WorkspaceSvg}
-   * @private
-   */
-  this.parentWorkspace_ = parentWorkspace;
-
-  /**
-   * Database of pre-loaded sounds.
-   * @private
-   */
-  this.SOUNDS_ = Object.create(null);
-};
-
-/**
- * Time that the last sound was played.
- * @type {Date}
- * @private
- */
-Blockly.WorkspaceAudio.prototype.lastSound_ = null;
-
-/**
- * Dispose of this audio manager.
- * @package
- */
-Blockly.WorkspaceAudio.prototype.dispose = function() {
-  this.parentWorkspace_ = null;
-  this.SOUNDS_ = null;
-};
-
-/**
- * Load an audio file.  Cache it, ready for instantaneous playing.
- * @param {!Array.<string>} filenames List of file types in decreasing order of
- *   preference (i.e. increasing size).  E.g. ['media/go.mp3', 'media/go.wav']
- *   Filenames include path from Blockly's root.  File extensions matter.
- * @param {string} name Name of sound.
- */
-Blockly.WorkspaceAudio.prototype.load = function(filenames, name) {
-  if (!filenames.length) {
-    return;
-  }
-  try {
-    var audioTest = new Blockly.utils.global['Audio']();
-  } catch (e) {
-    // No browser support for Audio.
-    // IE can throw an error even if the Audio object exists.
-    return;
-  }
-  var sound;
-  for (var i = 0; i < filenames.length; i++) {
-    var filename = filenames[i];
-    var ext = filename.match(/\.(\w+)$/);
-    if (ext && audioTest.canPlayType('audio/' + ext[1])) {
-      // Found an audio format we can play.
-      sound = new Blockly.utils.global['Audio'](filename);
-      break;
-    }
-  }
-  if (sound && sound.play) {
-    this.SOUNDS_[name] = sound;
-  }
-};
-
-/**
- * Preload all the audio files so that they play quickly when asked for.
- * @package
- */
-Blockly.WorkspaceAudio.prototype.preload = function() {
-  for (var name in this.SOUNDS_) {
-    var sound = this.SOUNDS_[name];
-    sound.volume = 0.01;
-    var playPromise = sound.play();
-    // Edge does not return a promise, so we need to check.
-    if (playPromise !== undefined) {
-      // If we don't wait for the play request to complete before calling pause()
-      // we will get an exception: (DOMException: The play() request was interrupted)
-      // See more: https://developers.google.com/web/updates/2017/06/play-request-was-interrupted
-      playPromise.then(sound.pause).catch(function() {
-        // Play without user interaction was prevented.
-      });
-    } else {
-      sound.pause();
-    }
-
-    // iOS can only process one sound at a time.  Trying to load more than one
-    // corrupts the earlier ones.  Just load one and leave the others uncached.
-    if (Blockly.utils.userAgent.IPAD || Blockly.utils.userAgent.IPHONE) {
-      break;
-    }
-  }
-};
-
-/**
- * Play a named sound at specified volume.  If volume is not specified,
- * use full volume (1).
- * @param {string} name Name of sound.
- * @param {number=} opt_volume Volume of sound (0-1).
- */
-Blockly.WorkspaceAudio.prototype.play = function(name, opt_volume) {
-  var sound = this.SOUNDS_[name];
-  if (sound) {
-    // Don't play one sound on top of another.
-    var now = new Date;
-    if (this.lastSound_ != null &&
-        now - this.lastSound_ < Blockly.SOUND_LIMIT) {
-      return;
-    }
-    this.lastSound_ = now;
-    var mySound;
-    if (Blockly.utils.userAgent.IPAD || Blockly.utils.userAgent.ANDROID) {
-      // Creating a new audio node causes lag in Android and iPad.  Android
-      // refetches the file from the server, iPad uses a singleton audio
-      // node which must be deleted and recreated for each new audio tag.
-      mySound = sound;
-    } else {
-      mySound = sound.cloneNode();
-    }
-    mySound.volume = (opt_volume === undefined ? 1 : opt_volume);
-    mySound.play();
-  } else if (this.parentWorkspace_) {
-    // Maybe a workspace on a lower level knows about this sound.
-    this.parentWorkspace_.getAudioManager().play(name, opt_volume);
-  }
-};
diff --git a/core/workspace_audio.ts b/core/workspace_audio.ts
new file mode 100644
index 00000000000..c2ab9322212
--- /dev/null
+++ b/core/workspace_audio.ts
@@ -0,0 +1,171 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Object in charge of loading, storing, and playing audio for a
+ *     workspace.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.WorkspaceAudio
+
+import * as userAgent from './utils/useragent.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * Prevent a sound from playing if another sound preceded it within this many
+ * milliseconds.
+ */
+const SOUND_LIMIT = 100;
+
+/**
+ * Class for loading, storing, and playing audio for a workspace.
+ */
+export class WorkspaceAudio {
+  /** Database of pre-loaded sounds. */
+  private sounds = new Map<string, HTMLAudioElement>();
+
+  /** Time that the last sound was played. */
+  private lastSound_: Date | null = null;
+
+  /** Whether the audio is muted or not. */
+  private muted: boolean = false;
+
+  /**
+   * @param parentWorkspace The parent of the workspace this audio object
+   *     belongs to, or null.
+   */
+  constructor(private parentWorkspace: WorkspaceSvg) {}
+
+  /**
+   * Dispose of this audio manager.
+   *
+   * @internal
+   */
+  dispose() {
+    this.sounds.clear();
+  }
+
+  /**
+   * Load an audio file.  Cache it, ready for instantaneous playing.
+   *
+   * @param filenames List of file types in decreasing order of preference (i.e.
+   *     increasing size).  E.g. ['media/go.mp3', 'media/go.wav'] Filenames
+   *     include path from Blockly's root.  File extensions matter.
+   * @param name Name of sound.
+   */
+  load(filenames: string[], name: string) {
+    if (!filenames.length) {
+      return;
+    }
+    let audioTest;
+    try {
+      audioTest = new globalThis['Audio']();
+    } catch (e) {
+      // No browser support for Audio.
+      // IE can throw an error even if the Audio object exists.
+      return;
+    }
+    let sound;
+    for (let i = 0; i < filenames.length; i++) {
+      const filename = filenames[i];
+      const ext = filename.match(/\.(\w+)$/);
+      if (ext && audioTest.canPlayType('audio/' + ext[1])) {
+        // Found an audio format we can play.
+        sound = new globalThis['Audio'](filename);
+        break;
+      }
+    }
+    if (sound) {
+      this.sounds.set(name, sound);
+    }
+  }
+
+  /**
+   * Preload all the audio files so that they play quickly when asked for.
+   *
+   * @internal
+   */
+  preload() {
+    for (const sound of this.sounds.values()) {
+      sound.volume = 0.01;
+      const playPromise = sound.play();
+      // Edge does not return a promise, so we need to check.
+      if (playPromise !== undefined) {
+        // If we don't wait for the play request to complete before calling
+        // pause() we will get an exception: (DOMException: The play() request
+        // was interrupted) See more:
+        // https://developers.google.com/web/updates/2017/06/play-request-was-interrupted
+        playPromise.then(sound.pause).catch(
+          // Play without user interaction was prevented.
+          function () {},
+        );
+      } else {
+        sound.pause();
+      }
+
+      // iOS can only process one sound at a time.  Trying to load more than one
+      // corrupts the earlier ones.  Just load one and leave the others
+      // uncached.
+      if (userAgent.IPAD || userAgent.IPHONE) {
+        break;
+      }
+    }
+  }
+
+  /**
+   * Play a named sound at specified volume.  If volume is not specified,
+   * use full volume (1).
+   *
+   * @param name Name of sound.
+   * @param opt_volume Volume of sound (0-1).
+   */
+  play(name: string, opt_volume?: number) {
+    if (this.muted) {
+      return;
+    }
+    const sound = this.sounds.get(name);
+    if (sound) {
+      // Don't play one sound on top of another.
+      const now = new Date();
+      if (
+        this.lastSound_ !== null &&
+        now.getTime() - this.lastSound_.getTime() < SOUND_LIMIT
+      ) {
+        return;
+      }
+      this.lastSound_ = now;
+      let mySound;
+      if (userAgent.IPAD || userAgent.ANDROID) {
+        // Creating a new audio node causes lag in Android and iPad.  Android
+        // refetches the file from the server, iPad uses a singleton audio
+        // node which must be deleted and recreated for each new audio tag.
+        mySound = sound;
+      } else {
+        mySound = sound.cloneNode() as HTMLAudioElement;
+      }
+      mySound.volume = opt_volume === undefined ? 1 : opt_volume;
+      mySound.play();
+    } else if (this.parentWorkspace) {
+      // Maybe a workspace on a lower level knows about this sound.
+      this.parentWorkspace.getAudioManager().play(name, opt_volume);
+    }
+  }
+
+  /**
+   * @param muted If true, mute sounds. Otherwise, play them.
+   */
+  setMuted(muted: boolean) {
+    this.muted = muted;
+  }
+
+  /**
+   * @returns Whether the audio is currently muted or not.
+   */
+  getMuted(): boolean {
+    return this.muted;
+  }
+}
diff --git a/core/workspace_comment.js b/core/workspace_comment.js
deleted file mode 100644
index 3edaa4814e1..00000000000
--- a/core/workspace_comment.js
+++ /dev/null
@@ -1,373 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object representing a code comment on the workspace.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.WorkspaceComment');
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.CommentChange');
-goog.require('Blockly.Events.CommentCreate');
-goog.require('Blockly.Events.CommentDelete');
-goog.require('Blockly.Events.CommentMove');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.xml');
-
-
-/**
- * Class for a workspace comment.
- * @param {!Blockly.Workspace} workspace The block's workspace.
- * @param {string} content The content of this workspace comment.
- * @param {number} height Height of the comment.
- * @param {number} width Width of the comment.
- * @param {string=} opt_id Optional ID.  Use this ID if provided, otherwise
- *     create a new ID.
- * @constructor
- */
-Blockly.WorkspaceComment = function(workspace, content, height, width, opt_id) {
-  /** @type {string} */
-  this.id = (opt_id && !workspace.getCommentById(opt_id)) ?
-      opt_id : Blockly.utils.genUid();
-
-  workspace.addTopComment(this);
-
-  /**
-   * The comment's position in workspace units.  (0, 0) is at the workspace's
-   * origin; scale does not change this value.
-   * @type {!Blockly.utils.Coordinate}
-   * @protected
-   */
-  this.xy_ = new Blockly.utils.Coordinate(0, 0);
-
-  /**
-   * The comment's height in workspace units.  Scale does not change this value.
-   * @type {number}
-   * @private
-   */
-  this.height_ = height;
-
-  /**
-   * The comment's width in workspace units.  Scale does not change this value.
-   * @type {number}
-   * @private
-   */
-  this.width_ = width;
-
-  /**
-   * @type {!Blockly.Workspace}
-   */
-  this.workspace = workspace;
-
-  /**
-   * @protected
-   * @type {boolean}
-   */
-  this.RTL = workspace.RTL;
-
-  /**
-   * @type {boolean}
-   * @private
-   */
-  this.deletable_ = true;
-
-  /**
-   * @type {boolean}
-   * @private
-   */
-  this.movable_ = true;
-
-  /**
-   * @type {boolean}
-   * @private
-   */
-  this.editable_ = true;
-
-  /**
-   * @protected
-   * @type {string}
-   */
-  this.content_ = content;
-
-  /**
-   * @package
-   * @type {boolean}
-   */
-  this.isComment = true;
-
-  Blockly.WorkspaceComment.fireCreateEvent(this);
-};
-
-/**
- * Dispose of this comment.
- * @package
- */
-Blockly.WorkspaceComment.prototype.dispose = function() {
-  if (!this.workspace) {
-    // The comment has already been deleted.
-    return;
-  }
-
-  if (Blockly.Events.isEnabled()) {
-    Blockly.Events.fire(new Blockly.Events.CommentDelete(this));
-  }
-
-  // Remove from the list of top comments and the comment database.
-  this.workspace.removeTopComment(this);
-  this.workspace = null;
-};
-
-// Height, width, x, and y are all stored on even non-rendered comments, to
-// preserve state if you pass the contents through a headless workspace.
-
-/**
- * Get comment height.
- * @return {number} Comment height.
- * @package
- */
-Blockly.WorkspaceComment.prototype.getHeight = function() {
-  return this.height_;
-};
-
-/**
- * Set comment height.
- * @param {number} height Comment height.
- * @package
- */
-Blockly.WorkspaceComment.prototype.setHeight = function(height) {
-  this.height_ = height;
-};
-
-/**
- * Get comment width.
- * @return {number} Comment width.
- * @package
- */
-Blockly.WorkspaceComment.prototype.getWidth = function() {
-  return this.width_;
-};
-
-/**
- * Set comment width.
- * @param {number} width comment width.
- * @package
- */
-Blockly.WorkspaceComment.prototype.setWidth = function(width) {
-  this.width_ = width;
-};
-
-/**
- * Get stored location.
- * @return {!Blockly.utils.Coordinate} The comment's stored location.
- *   This is not valid if the comment is currently being dragged.
- * @package
- */
-Blockly.WorkspaceComment.prototype.getXY = function() {
-  return new Blockly.utils.Coordinate(this.xy_.x, this.xy_.y);
-};
-
-/**
- * Move a comment by a relative offset.
- * @param {number} dx Horizontal offset, in workspace units.
- * @param {number} dy Vertical offset, in workspace units.
- * @package
- */
-Blockly.WorkspaceComment.prototype.moveBy = function(dx, dy) {
-  var event = new Blockly.Events.CommentMove(this);
-  this.xy_.translate(dx, dy);
-  event.recordNew();
-  Blockly.Events.fire(event);
-};
-
-/**
- * Get whether this comment is deletable or not.
- * @return {boolean} True if deletable.
- * @package
- */
-Blockly.WorkspaceComment.prototype.isDeletable = function() {
-  return this.deletable_ &&
-      !(this.workspace && this.workspace.options.readOnly);
-};
-
-/**
- * Set whether this comment is deletable or not.
- * @param {boolean} deletable True if deletable.
- * @package
- */
-Blockly.WorkspaceComment.prototype.setDeletable = function(deletable) {
-  this.deletable_ = deletable;
-};
-
-/**
- * Get whether this comment is movable or not.
- * @return {boolean} True if movable.
- * @package
- */
-Blockly.WorkspaceComment.prototype.isMovable = function() {
-  return this.movable_ &&
-      !(this.workspace && this.workspace.options.readOnly);
-};
-
-/**
- * Set whether this comment is movable or not.
- * @param {boolean} movable True if movable.
- * @package
- */
-Blockly.WorkspaceComment.prototype.setMovable = function(movable) {
-  this.movable_ = movable;
-};
-
-/**
- * Get whether this comment is editable or not.
- * @return {boolean} True if editable.
- */
-Blockly.WorkspaceComment.prototype.isEditable = function() {
-  return this.editable_ &&
-      !(this.workspace && this.workspace.options.readOnly);
-};
-
-/**
- * Set whether this comment is editable or not.
- * @param {boolean} editable True if editable.
- */
-Blockly.WorkspaceComment.prototype.setEditable = function(editable) {
-  this.editable_ = editable;
-};
-
-/**
- * Returns this comment's text.
- * @return {string} Comment text.
- * @package
- */
-Blockly.WorkspaceComment.prototype.getContent = function() {
-  return this.content_;
-};
-
-/**
- * Set this comment's content.
- * @param {string} content Comment content.
- * @package
- */
-Blockly.WorkspaceComment.prototype.setContent = function(content) {
-  if (this.content_ != content) {
-    Blockly.Events.fire(
-        new Blockly.Events.CommentChange(this, this.content_, content));
-    this.content_ = content;
-  }
-};
-
-/**
- * Encode a comment subtree as XML with XY coordinates.
- * @param {boolean=} opt_noId True if the encoder should skip the comment ID.
- * @return {!Element} Tree of XML elements.
- * @package
- */
-Blockly.WorkspaceComment.prototype.toXmlWithXY = function(opt_noId) {
-  var element = this.toXml(opt_noId);
-  element.setAttribute('x', Math.round(this.xy_.x));
-  element.setAttribute('y', Math.round(this.xy_.y));
-  element.setAttribute('h', this.height_);
-  element.setAttribute('w', this.width_);
-  return element;
-};
-
-/**
- * Encode a comment subtree as XML, but don't serialize the XY coordinates.
- * This method avoids some expensive metrics-related calls that are made in
- * toXmlWithXY().
- * @param {boolean=} opt_noId True if the encoder should skip the comment ID.
- * @return {!Element} Tree of XML elements.
- * @package
- */
-Blockly.WorkspaceComment.prototype.toXml = function(opt_noId) {
-  var commentElement = Blockly.utils.xml.createElement('comment');
-  if (!opt_noId) {
-    commentElement.id = this.id;
-  }
-  commentElement.textContent = this.getContent();
-  return commentElement;
-};
-
-/**
- * Fire a create event for the given workspace comment, if comments are enabled.
- * @param {!Blockly.WorkspaceComment} comment The comment that was just created.
- * @package
- */
-Blockly.WorkspaceComment.fireCreateEvent = function(comment) {
-  if (Blockly.Events.isEnabled()) {
-    var existingGroup = Blockly.Events.getGroup();
-    if (!existingGroup) {
-      Blockly.Events.setGroup(true);
-    }
-    try {
-      Blockly.Events.fire(new Blockly.Events.CommentCreate(comment));
-    } finally {
-      if (!existingGroup) {
-        Blockly.Events.setGroup(false);
-      }
-    }
-  }
-};
-
-/**
- * Decode an XML comment tag and create a comment on the workspace.
- * @param {!Element} xmlComment XML comment element.
- * @param {!Blockly.Workspace} workspace The workspace.
- * @return {!Blockly.WorkspaceComment} The created workspace comment.
- * @package
- */
-Blockly.WorkspaceComment.fromXml = function(xmlComment, workspace) {
-  var info = Blockly.WorkspaceComment.parseAttributes(xmlComment);
-
-  var comment = new Blockly.WorkspaceComment(
-      workspace, info.content, info.h, info.w, info.id);
-
-  var commentX = parseInt(xmlComment.getAttribute('x'), 10);
-  var commentY = parseInt(xmlComment.getAttribute('y'), 10);
-  if (!isNaN(commentX) && !isNaN(commentY)) {
-    comment.moveBy(commentX, commentY);
-  }
-
-  Blockly.WorkspaceComment.fireCreateEvent(comment);
-  return comment;
-};
-
-/**
- * Decode an XML comment tag and return the results in an object.
- * @param {!Element} xml XML comment element.
- * @return {{w: number, h: number, x: number, y: number, content: string}} An
- *     object containing the id, size, position, and comment string.
- * @package
- */
-Blockly.WorkspaceComment.parseAttributes = function(xml) {
-  var xmlH = xml.getAttribute('h');
-  var xmlW = xml.getAttribute('w');
-
-  return {
-    // @type {string}
-    id: xml.getAttribute('id'),
-    // The height of the comment in workspace units, or 100 if not specified.
-    // @type {number}
-    h: xmlH ? parseInt(xmlH, 10) : 100,
-    // The width of the comment in workspace units, or 100 if not specified.
-    // @type {number}
-    w: xmlW ? parseInt(xmlW, 10) : 100,
-    // The x position of the comment in workspace coordinates, or NaN if not
-    // specified in the XML.
-    // @type {number}
-    x: parseInt(xml.getAttribute('x'), 10),
-    // The y position of the comment in workspace coordinates, or NaN if not
-    // specified in the XML.
-    // @type {number}
-    y: parseInt(xml.getAttribute('y'), 10),
-    // @type {string}
-    content: xml.textContent
-  };
-};
diff --git a/core/workspace_comment_render_svg.js b/core/workspace_comment_render_svg.js
deleted file mode 100644
index 9e6aea698a3..00000000000
--- a/core/workspace_comment_render_svg.js
+++ /dev/null
@@ -1,461 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Methods for rendering a workspace comment as SVG
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.WorkspaceCommentSvg.render');
-
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * Size of the resize icon.
- * @type {number}
- * @const
- * @private
- */
-Blockly.WorkspaceCommentSvg.RESIZE_SIZE = 8;
-
-/**
- * Radius of the border around the comment.
- * @type {number}
- * @const
- * @private
- */
-Blockly.WorkspaceCommentSvg.BORDER_RADIUS = 3;
-
-/**
- * Offset from the foreignobject edge to the textarea edge.
- * @type {number}
- * @const
- * @private
- */
-Blockly.WorkspaceCommentSvg.TEXTAREA_OFFSET = 2;
-
-/**
- * Offset from the top to make room for a top bar.
- * @type {number}
- * @const
- * @private
- */
-Blockly.WorkspaceCommentSvg.TOP_OFFSET = 10;
-
-/**
- * Returns a bounding box describing the dimensions of this comment.
- * @return {!{height: number, width: number}} Object with height and width
- *     properties in workspace units.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.getHeightWidth = function() {
-  return { width: this.getWidth(), height: this.getHeight() };
-};
-
-/**
- * Renders the workspace comment.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.render = function() {
-  if (this.rendered_) {
-    return;
-  }
-
-  var size = this.getHeightWidth();
-
-  // Add text area
-  this.createEditor_();
-  this.svgGroup_.appendChild(this.foreignObject_);
-
-  this.svgHandleTarget_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'class': 'blocklyCommentHandleTarget',
-        'x': 0,
-        'y': 0
-      });
-  this.svgGroup_.appendChild(this.svgHandleTarget_);
-  this.svgRectTarget_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'class': 'blocklyCommentTarget',
-        'x': 0,
-        'y': 0,
-        'rx': Blockly.WorkspaceCommentSvg.BORDER_RADIUS,
-        'ry': Blockly.WorkspaceCommentSvg.BORDER_RADIUS
-      });
-  this.svgGroup_.appendChild(this.svgRectTarget_);
-
-  // Add the resize icon
-  this.addResizeDom_();
-  if (this.isDeletable()) {
-    // Add the delete icon
-    this.addDeleteDom_();
-  }
-
-  this.setSize_(size.width, size.height);
-
-  // Set the content
-  this.textarea_.value = this.content_;
-
-  this.rendered_ = true;
-
-  if (this.resizeGroup_) {
-    Blockly.bindEventWithChecks_(
-        this.resizeGroup_, 'mousedown', this, this.resizeMouseDown_);
-  }
-
-  if (this.isDeletable()) {
-    Blockly.bindEventWithChecks_(
-        this.deleteGroup_, 'mousedown', this, this.deleteMouseDown_);
-    Blockly.bindEventWithChecks_(
-        this.deleteGroup_, 'mouseout', this, this.deleteMouseOut_);
-    Blockly.bindEventWithChecks_(
-        this.deleteGroup_, 'mouseup', this, this.deleteMouseUp_);
-  }
-};
-
-/**
- * Create the text area for the comment.
- * @return {!Element} The top-level node of the editor.
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.createEditor_ = function() {
-  /* Create the editor.  Here's the markup that will be generated:
-    <foreignObject class="blocklyCommentForeignObject" x="0" y="10" width="164" height="164">
-      <body xmlns="http://www.w3.org/1999/xhtml" class="blocklyMinimalBody">
-        <textarea xmlns="http://www.w3.org/1999/xhtml"
-            class="blocklyCommentTextarea"
-            style="height: 164px; width: 164px;"></textarea>
-      </body>
-    </foreignObject>
-  */
-  this.foreignObject_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.FOREIGNOBJECT,
-      {
-        'x': 0,
-        'y': Blockly.WorkspaceCommentSvg.TOP_OFFSET,
-        'class': 'blocklyCommentForeignObject'
-      },
-      null);
-  var body = document.createElementNS(Blockly.utils.dom.HTML_NS, 'body');
-  body.setAttribute('xmlns', Blockly.utils.dom.HTML_NS);
-  body.className = 'blocklyMinimalBody';
-  var textarea = document.createElementNS(Blockly.utils.dom.HTML_NS, 'textarea');
-  textarea.className = 'blocklyCommentTextarea';
-  textarea.setAttribute('dir', this.RTL ? 'RTL' : 'LTR');
-  textarea.readOnly = !this.isEditable();
-  body.appendChild(textarea);
-  this.textarea_ = textarea;
-  this.foreignObject_.appendChild(body);
-  // Don't zoom with mousewheel.
-  Blockly.bindEventWithChecks_(textarea, 'wheel', this, function(e) {
-    e.stopPropagation();
-  });
-  Blockly.bindEventWithChecks_(textarea, 'change', this, function(
-      /* eslint-disable no-unused-vars */ e
-      /* eslint-enable no-unused-vars */) {
-    this.setContent(textarea.value);
-  });
-  return this.foreignObject_;
-};
-
-/**
- * Add the resize icon to the DOM
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.addResizeDom_ = function() {
-  this.resizeGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G,
-      {
-        'class': this.RTL ? 'blocklyResizeSW' : 'blocklyResizeSE'
-      },
-      this.svgGroup_);
-  var resizeSize = Blockly.WorkspaceCommentSvg.RESIZE_SIZE;
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.POLYGON,
-      {'points': '0,x x,x x,0'.replace(/x/g, resizeSize.toString())},
-      this.resizeGroup_);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.LINE,
-      {
-        'class': 'blocklyResizeLine',
-        'x1': resizeSize / 3, 'y1': resizeSize - 1,
-        'x2': resizeSize - 1, 'y2': resizeSize / 3
-      }, this.resizeGroup_);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.LINE,
-      {
-        'class': 'blocklyResizeLine',
-        'x1': resizeSize * 2 / 3, 'y1': resizeSize - 1,
-        'x2': resizeSize - 1, 'y2': resizeSize * 2 / 3
-      }, this.resizeGroup_);
-};
-
-/**
- * Add the delete icon to the DOM
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.addDeleteDom_ = function() {
-  this.deleteGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G,
-      {
-        'class': 'blocklyCommentDeleteIcon'
-      },
-      this.svgGroup_);
-  this.deleteIconBorder_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.CIRCLE,
-      {
-        'class': 'blocklyDeleteIconShape',
-        'r': '7',
-        'cx': '7.5',
-        'cy': '7.5'
-      },
-      this.deleteGroup_);
-  // x icon.
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.LINE,
-      {
-        'x1': '5', 'y1': '10',
-        'x2': '10', 'y2': '5',
-        'stroke': '#fff',
-        'stroke-width': '2'
-      },
-      this.deleteGroup_);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.LINE,
-      {
-        'x1': '5', 'y1': '5',
-        'x2': '10', 'y2': '10',
-        'stroke': '#fff',
-        'stroke-width': '2'
-      },
-      this.deleteGroup_);
-};
-
-/**
- * Handle a mouse-down on comment's resize corner.
- * @param {!Event} e Mouse down event.
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.resizeMouseDown_ = function(e) {
-  this.unbindDragEvents_();
-  if (Blockly.utils.isRightButton(e)) {
-    // No right-click.
-    e.stopPropagation();
-    return;
-  }
-  // Left-click (or middle click)
-  this.workspace.startDrag(e, new Blockly.utils.Coordinate(
-    this.workspace.RTL ? -this.width_ : this.width_, this.height_));
-
-  this.onMouseUpWrapper_ = Blockly.bindEventWithChecks_(
-      document, 'mouseup', this, this.resizeMouseUp_);
-  this.onMouseMoveWrapper_ = Blockly.bindEventWithChecks_(
-      document, 'mousemove', this, this.resizeMouseMove_);
-  Blockly.hideChaff();
-  // This event has been handled.  No need to bubble up to the document.
-  e.stopPropagation();
-};
-
-/**
- * Handle a mouse-down on comment's delete icon.
- * @param {!Event} e Mouse down event.
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.deleteMouseDown_ = function(e) {
-  // Highlight the delete icon.
-  Blockly.utils.dom.addClass(
-      /** @type {!Element} */ (this.deleteIconBorder_),
-      'blocklyDeleteIconHighlighted');
-  // This event has been handled.  No need to bubble up to the document.
-  e.stopPropagation();
-};
-
-/**
- * Handle a mouse-out on comment's delete icon.
- * @param {!Event} _e Mouse out event.
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.deleteMouseOut_ = function(_e) {
-  // Restore highlight on the delete icon.
-  Blockly.utils.dom.removeClass(
-      /** @type {!Element} */ (this.deleteIconBorder_),
-      'blocklyDeleteIconHighlighted');
-};
-
-/**
- * Handle a mouse-up on comment's delete icon.
- * @param {!Event} e Mouse up event.
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.deleteMouseUp_ = function(e) {
-  // Delete this comment.
-  this.dispose(true, true);
-  // This event has been handled.  No need to bubble up to the document.
-  e.stopPropagation();
-};
-
-/**
- * Stop binding to the global mouseup and mousemove events.
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.unbindDragEvents_ = function() {
-  if (this.onMouseUpWrapper_) {
-    Blockly.unbindEvent_(this.onMouseUpWrapper_);
-    this.onMouseUpWrapper_ = null;
-  }
-  if (this.onMouseMoveWrapper_) {
-    Blockly.unbindEvent_(this.onMouseMoveWrapper_);
-    this.onMouseMoveWrapper_ = null;
-  }
-};
-
-/**
- * Handle a mouse-up event while dragging a comment's border or resize handle.
- * @param {!Event} e Mouse up event.
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.resizeMouseUp_ = function(/* e */) {
-  Blockly.Touch.clearTouchIdentifier();
-  this.unbindDragEvents_();
-};
-
-/**
- * Resize this comment to follow the mouse.
- * @param {!Event} e Mouse move event.
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.resizeMouseMove_ = function(e) {
-  this.autoLayout_ = false;
-  var newXY = this.workspace.moveDrag(e);
-  this.setSize_(this.RTL ? -newXY.x : newXY.x, newXY.y);
-};
-
-/**
- * Callback function triggered when the comment has resized.
- * Resize the text area accordingly.
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.resizeComment_ = function() {
-  var size = this.getHeightWidth();
-  var topOffset = Blockly.WorkspaceCommentSvg.TOP_OFFSET;
-  var textOffset = Blockly.WorkspaceCommentSvg.TEXTAREA_OFFSET * 2;
-
-  this.foreignObject_.setAttribute('width', size.width);
-  this.foreignObject_.setAttribute('height', size.height - topOffset);
-  if (this.RTL) {
-    this.foreignObject_.setAttribute('x', -size.width);
-  }
-  this.textarea_.style.width = (size.width - textOffset) + 'px';
-  this.textarea_.style.height = (size.height - textOffset - topOffset) + 'px';
-};
-
-/**
- * Set size
- * @param {number} width width of the container
- * @param {number} height height of the container
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.setSize_ = function(width, height) {
-  // Minimum size of a comment.
-  width = Math.max(width, 45);
-  height = Math.max(height, 20 + Blockly.WorkspaceCommentSvg.TOP_OFFSET);
-  this.width_ = width;
-  this.height_ = height;
-  this.svgRect_.setAttribute('width', width);
-  this.svgRect_.setAttribute('height', height);
-  this.svgRectTarget_.setAttribute('width', width);
-  this.svgRectTarget_.setAttribute('height', height);
-  this.svgHandleTarget_.setAttribute('width', width);
-  this.svgHandleTarget_.setAttribute('height',
-      Blockly.WorkspaceCommentSvg.TOP_OFFSET);
-  if (this.RTL) {
-    this.svgRect_.setAttribute('transform', 'scale(-1 1)');
-    this.svgRectTarget_.setAttribute('transform', 'scale(-1 1)');
-  }
-
-  var resizeSize = Blockly.WorkspaceCommentSvg.RESIZE_SIZE;
-  if (this.resizeGroup_) {
-    if (this.RTL) {
-      // Mirror the resize group.
-      this.resizeGroup_.setAttribute('transform', 'translate(' +
-        (-width + resizeSize) + ',' + (height - resizeSize) + ') scale(-1 1)');
-      this.deleteGroup_.setAttribute('transform', 'translate(' +
-        (-width + resizeSize) + ',' + (-resizeSize) + ') scale(-1 1)');
-    } else {
-      this.resizeGroup_.setAttribute('transform', 'translate(' +
-        (width - resizeSize) + ',' +
-        (height - resizeSize) + ')');
-      this.deleteGroup_.setAttribute('transform', 'translate(' +
-        (width - resizeSize) + ',' +
-        (-resizeSize) + ')');
-    }
-  }
-
-  // Allow the contents to resize.
-  this.resizeComment_();
-};
-
-/**
- * Dispose of any rendered comment components.
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.disposeInternal_ = function() {
-  this.textarea_ = null;
-  this.foreignObject_ = null;
-  this.svgRectTarget_ = null;
-  this.svgHandleTarget_ = null;
-  this.disposed_ = true;
-};
-
-/**
- * Set the focus on the text area.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.setFocus = function() {
-  var comment = this;
-  this.focused_ = true;
-  // Defer CSS changes.
-  setTimeout(function() {
-    if (comment.disposed_) {
-      return;
-    }
-    comment.textarea_.focus();
-    comment.addFocus();
-    Blockly.utils.dom.addClass(
-        comment.svgRectTarget_, 'blocklyCommentTargetFocused');
-    Blockly.utils.dom.addClass(
-        comment.svgHandleTarget_, 'blocklyCommentHandleTargetFocused');
-  }, 0);
-};
-
-/**
- * Remove focus from the text area.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.blurFocus = function() {
-  var comment = this;
-  this.focused_ = false;
-  // Defer CSS changes.
-  setTimeout(function() {
-    if (comment.disposed_) {
-      return;
-    }
-
-    comment.textarea_.blur();
-    comment.removeFocus();
-    Blockly.utils.dom.removeClass(
-        comment.svgRectTarget_, 'blocklyCommentTargetFocused');
-    Blockly.utils.dom.removeClass(
-        comment.svgHandleTarget_, 'blocklyCommentHandleTargetFocused');
-  }, 0);
-};
diff --git a/core/workspace_comment_svg.js b/core/workspace_comment_svg.js
deleted file mode 100644
index 53604bfa9d5..00000000000
--- a/core/workspace_comment_svg.js
+++ /dev/null
@@ -1,701 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object representing a code comment on a rendered workspace.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.WorkspaceCommentSvg');
-
-goog.require('Blockly.Css');
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.CommentCreate');
-goog.require('Blockly.Events.CommentDelete');
-goog.require('Blockly.Events.CommentMove');
-goog.require('Blockly.Events.Ui');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Rect');
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.WorkspaceComment');
-
-goog.requireType('Blockly.IBoundedElement');
-goog.requireType('Blockly.IBubble');
-goog.requireType('Blockly.ICopyable');
-
-/**
- * Class for a workspace comment's SVG representation.
- * @param {!Blockly.Workspace} workspace The block's workspace.
- * @param {string} content The content of this workspace comment.
- * @param {number} height Height of the comment.
- * @param {number} width Width of the comment.
- * @param {string=} opt_id Optional ID.  Use this ID if provided, otherwise
- *     create a new ID.
- * @extends {Blockly.WorkspaceComment}
- * @implements {Blockly.IBoundedElement}
- * @implements {Blockly.IBubble}
- * @implements {Blockly.ICopyable}
- * @constructor
- */
-Blockly.WorkspaceCommentSvg = function(
-    workspace, content, height, width, opt_id) {
-  /**
-   * Mouse up event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onMouseUpWrapper_ = null;
-
-  /**
-   * Mouse move event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onMouseMoveWrapper_ = null;
-
-  // Create core elements for the block.
-  /**
-   * @type {!SVGElement}
-   * @private
-   */
-  this.svgGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G, {'class': 'blocklyComment'}, null);
-  this.svgGroup_.translate_ = '';
-
-  this.svgRect_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT, {
-        'class': 'blocklyCommentRect',
-        'x': 0,
-        'y': 0,
-        'rx': Blockly.WorkspaceCommentSvg.BORDER_RADIUS,
-        'ry': Blockly.WorkspaceCommentSvg.BORDER_RADIUS
-      });
-  this.svgGroup_.appendChild(this.svgRect_);
-
-  /**
-   * Whether the comment is rendered onscreen and is a part of the DOM.
-   * @type {boolean}
-   * @private
-   */
-  this.rendered_ = false;
-
-  /**
-   * Whether to move the comment to the drag surface when it is dragged.
-   * True if it should move, false if it should be translated directly.
-   * @type {boolean}
-   * @private
-   */
-  this.useDragSurface_ =
-      Blockly.utils.is3dSupported() && !!workspace.blockDragSurface_;
-
-  Blockly.WorkspaceCommentSvg.superClass_.constructor.call(
-      this, workspace, content, height, width, opt_id);
-
-  this.render();
-};
-Blockly.utils.object.inherits(
-    Blockly.WorkspaceCommentSvg, Blockly.WorkspaceComment);
-
-/**
- * The width and height to use to size a workspace comment when it is first
- * added, before it has been edited by the user.
- * @type {number}
- * @package
- */
-Blockly.WorkspaceCommentSvg.DEFAULT_SIZE = 100;
-
-/**
- * Dispose of this comment.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.dispose = function() {
-  if (!this.workspace) {
-    // The comment has already been deleted.
-    return;
-  }
-  // If this comment is being dragged, unlink the mouse events.
-  if (Blockly.selected == this) {
-    this.unselect();
-    this.workspace.cancelCurrentGesture();
-  }
-
-  if (Blockly.Events.isEnabled()) {
-    Blockly.Events.fire(new Blockly.Events.CommentDelete(this));
-  }
-
-  Blockly.utils.dom.removeNode(this.svgGroup_);
-  // Sever JavaScript to DOM connections.
-  this.svgGroup_ = null;
-  this.svgRect_ = null;
-  // Dispose of any rendered components
-  this.disposeInternal_();
-
-  Blockly.Events.disable();
-  Blockly.WorkspaceCommentSvg.superClass_.dispose.call(this);
-  Blockly.Events.enable();
-};
-
-/**
- * Create and initialize the SVG representation of a workspace comment.
- * May be called more than once.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.initSvg = function() {
-  if (!this.workspace.rendered) {
-    throw TypeError('Workspace is headless.');
-  }
-  if (!this.workspace.options.readOnly && !this.eventsInit_) {
-    Blockly.bindEventWithChecks_(
-        this.svgRectTarget_, 'mousedown', this, this.pathMouseDown_);
-    Blockly.bindEventWithChecks_(
-        this.svgHandleTarget_, 'mousedown', this, this.pathMouseDown_);
-  }
-  this.eventsInit_ = true;
-
-  this.updateMovable();
-  if (!this.getSvgRoot().parentNode) {
-    this.workspace.getBubbleCanvas().appendChild(this.getSvgRoot());
-  }
-};
-
-/**
- * Handle a mouse-down on an SVG comment.
- * @param {!Event} e Mouse down event or touch start event.
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.pathMouseDown_ = function(e) {
-  var gesture = this.workspace.getGesture(e);
-  if (gesture) {
-    gesture.handleBubbleStart(e, this);
-  }
-};
-
-/**
- * Show the context menu for this workspace comment.
- * @param {!Event} e Mouse event.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.showContextMenu = function(e) {
-  if (this.workspace.options.readOnly) {
-    return;
-  }
-  // Save the current workspace comment in a variable for use in closures.
-  var comment = this;
-  var menuOptions = [];
-
-  if (this.isDeletable() && this.isMovable()) {
-    menuOptions.push(Blockly.ContextMenu.commentDuplicateOption(comment));
-    menuOptions.push(Blockly.ContextMenu.commentDeleteOption(comment));
-  }
-
-  Blockly.ContextMenu.show(e, menuOptions, this.RTL);
-};
-
-/**
- * Select this comment.  Highlight it visually.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.select = function() {
-  if (Blockly.selected == this) {
-    return;
-  }
-  var oldId = null;
-  if (Blockly.selected) {
-    oldId = Blockly.selected.id;
-    // Unselect any previously selected block.
-    Blockly.Events.disable();
-    try {
-      Blockly.selected.unselect();
-    } finally {
-      Blockly.Events.enable();
-    }
-  }
-  var event = new Blockly.Events.Ui(null, 'selected', oldId, this.id);
-  event.workspaceId = this.workspace.id;
-  Blockly.Events.fire(event);
-  Blockly.selected = this;
-  this.addSelect();
-};
-
-/**
- * Unselect this comment.  Remove its highlighting.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.unselect = function() {
-  if (Blockly.selected != this) {
-    return;
-  }
-  var event = new Blockly.Events.Ui(null, 'selected', this.id, null);
-  event.workspaceId = this.workspace.id;
-  Blockly.Events.fire(event);
-  Blockly.selected = null;
-  this.removeSelect();
-  this.blurFocus();
-};
-
-/**
- * Select this comment.  Highlight it visually.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.addSelect = function() {
-  Blockly.utils.dom.addClass(
-      /** @type {!Element} */ (this.svgGroup_), 'blocklySelected');
-  this.setFocus();
-};
-
-/**
- * Unselect this comment.  Remove its highlighting.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.removeSelect = function() {
-  Blockly.utils.dom.removeClass(
-      /** @type {!Element} */ (this.svgGroup_), 'blocklySelected');
-  this.blurFocus();
-};
-
-/**
- * Focus this comment.  Highlight it visually.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.addFocus = function() {
-  Blockly.utils.dom.addClass(
-      /** @type {!Element} */ (this.svgGroup_), 'blocklyFocused');
-};
-
-/**
- * Unfocus this comment.  Remove its highlighting.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.removeFocus = function() {
-  Blockly.utils.dom.removeClass(
-      /** @type {!Element} */ (this.svgGroup_), 'blocklyFocused');
-};
-
-/**
- * Return the coordinates of the top-left corner of this comment relative to
- * the drawing surface's origin (0,0), in workspace units.
- * If the comment is on the workspace, (0, 0) is the origin of the workspace
- * coordinate system.
- * This does not change with workspace scale.
- * @return {!Blockly.utils.Coordinate} Object with .x and .y properties in
- *     workspace coordinates.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.getRelativeToSurfaceXY = function() {
-  var x = 0;
-  var y = 0;
-
-  var dragSurfaceGroup =
-      this.useDragSurface_ ? this.workspace.blockDragSurface_.getGroup() : null;
-
-  var element = this.getSvgRoot();
-  if (element) {
-    do {
-      // Loop through this comment and every parent.
-      var xy = Blockly.utils.getRelativeXY(element);
-      x += xy.x;
-      y += xy.y;
-      // If this element is the current element on the drag surface, include
-      // the translation of the drag surface itself.
-      if (this.useDragSurface_ &&
-          this.workspace.blockDragSurface_.getCurrentBlock() == element) {
-        var surfaceTranslation =
-            this.workspace.blockDragSurface_.getSurfaceTranslation();
-        x += surfaceTranslation.x;
-        y += surfaceTranslation.y;
-      }
-      element = element.parentNode;
-    } while (element && element != this.workspace.getBubbleCanvas() &&
-             element != dragSurfaceGroup);
-  }
-  this.xy_ = new Blockly.utils.Coordinate(x, y);
-  return this.xy_;
-};
-
-/**
- * Move a comment by a relative offset.
- * @param {number} dx Horizontal offset, in workspace units.
- * @param {number} dy Vertical offset, in workspace units.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.moveBy = function(dx, dy) {
-  var event = new Blockly.Events.CommentMove(this);
-  // TODO: Do I need to look up the relative to surface XY position here?
-  var xy = this.getRelativeToSurfaceXY();
-  this.translate(xy.x + dx, xy.y + dy);
-  this.xy_ = new Blockly.utils.Coordinate(xy.x + dx, xy.y + dy);
-  event.recordNew();
-  Blockly.Events.fire(event);
-  this.workspace.resizeContents();
-};
-
-/**
- * Transforms a comment by setting the translation on the transform attribute
- * of the block's SVG.
- * @param {number} x The x coordinate of the translation in workspace units.
- * @param {number} y The y coordinate of the translation in workspace units.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.translate = function(x, y) {
-  this.xy_ = new Blockly.utils.Coordinate(x, y);
-  this.getSvgRoot().setAttribute('transform', 'translate(' + x + ',' + y + ')');
-};
-
-/**
- * Move this comment to its workspace's drag surface, accounting for
- * positioning.  Generally should be called at the same time as
- * setDragging(true).  Does nothing if useDragSurface_ is false.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.moveToDragSurface = function() {
-  if (!this.useDragSurface_) {
-    return;
-  }
-  // The translation for drag surface blocks,
-  // is equal to the current relative-to-surface position,
-  // to keep the position in sync as it move on/off the surface.
-  // This is in workspace coordinates.
-  var xy = this.getRelativeToSurfaceXY();
-  this.clearTransformAttributes_();
-  this.workspace.blockDragSurface_.translateSurface(xy.x, xy.y);
-  // Execute the move on the top-level SVG component
-  this.workspace.blockDragSurface_.setBlocksAndShow(this.getSvgRoot());
-};
-
-/**
- * Move this comment back to the workspace block canvas.
- * Generally should be called at the same time as setDragging(false).
- * Does nothing if useDragSurface_ is false.
- * @param {!Blockly.utils.Coordinate} newXY The position the comment should take
- *     on on the workspace canvas, in workspace coordinates.
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.moveOffDragSurface = function(newXY) {
-  if (!this.useDragSurface_) {
-    return;
-  }
-  // Translate to current position, turning off 3d.
-  this.translate(newXY.x, newXY.y);
-  this.workspace.blockDragSurface_.clearAndHide(this.workspace.getCanvas());
-};
-
-/**
- * Move this comment during a drag, taking into account whether we are using a
- * drag surface to translate blocks.
- * @param {Blockly.BlockDragSurfaceSvg} dragSurface The surface that carries
- *     rendered items during a drag, or null if no drag surface is in use.
- * @param {!Blockly.utils.Coordinate} newLoc The location to translate to, in
- *     workspace coordinates.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.moveDuringDrag = function(
-    dragSurface, newLoc) {
-  if (dragSurface) {
-    dragSurface.translateSurface(newLoc.x, newLoc.y);
-  } else {
-    this.svgGroup_.translate_ = 'translate(' + newLoc.x + ',' + newLoc.y + ')';
-    this.svgGroup_.setAttribute(
-        'transform', this.svgGroup_.translate_ + this.svgGroup_.skew_);
-  }
-};
-
-/**
- * Move the bubble group to the specified location in workspace coordinates.
- * @param {number} x The x position to move to.
- * @param {number} y The y position to move to.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.moveTo = function(x, y) {
-  this.translate(x, y);
-};
-
-/**
- * Clear the comment of transform="..." attributes.
- * Used when the comment is switching from 3d to 2d transform or vice versa.
- * @private
- */
-Blockly.WorkspaceCommentSvg.prototype.clearTransformAttributes_ = function() {
-  this.getSvgRoot().removeAttribute('transform');
-};
-
-/**
- * Returns the coordinates of a bounding box describing the dimensions of this
- * comment.
- * Coordinate system: workspace coordinates.
- * @return {!Blockly.utils.Rect} Object with coordinates of the bounding box.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.getBoundingRectangle = function() {
-  var blockXY = this.getRelativeToSurfaceXY();
-  var commentBounds = this.getHeightWidth();
-  var top = blockXY.y;
-  var bottom = blockXY.y + commentBounds.height;
-  var left, right;
-  if (this.RTL) {
-    left = blockXY.x - commentBounds.width;
-    // Add the width of the tab/puzzle piece knob to the x coordinate
-    // since X is the corner of the rectangle, not the whole puzzle piece.
-    right = blockXY.x;
-  } else {
-    // Subtract the width of the tab/puzzle piece knob to the x coordinate
-    // since X is the corner of the rectangle, not the whole puzzle piece.
-    left = blockXY.x;
-    right = blockXY.x + commentBounds.width;
-  }
-  return new Blockly.utils.Rect(top, bottom, left, right);
-};
-
-/**
- * Add or remove the UI indicating if this comment is movable or not.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.updateMovable = function() {
-  if (this.isMovable()) {
-    Blockly.utils.dom.addClass(
-        /** @type {!Element} */ (this.svgGroup_), 'blocklyDraggable');
-  } else {
-    Blockly.utils.dom.removeClass(
-        /** @type {!Element} */ (this.svgGroup_), 'blocklyDraggable');
-  }
-};
-
-/**
- * Set whether this comment is movable or not.
- * @param {boolean} movable True if movable.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.setMovable = function(movable) {
-  Blockly.WorkspaceCommentSvg.superClass_.setMovable.call(this, movable);
-  this.updateMovable();
-};
-
-/**
- * Set whether this comment is editable or not.
- * @param {boolean} editable True if editable.
- */
-Blockly.WorkspaceCommentSvg.prototype.setEditable = function(editable) {
-  Blockly.WorkspaceCommentSvg.superClass_.setEditable.call(this, editable);
-  if (this.textarea_) {
-    this.textarea_.readOnly = !editable;
-  }
-};
-
-/**
- * Recursively adds or removes the dragging class to this node and its children.
- * @param {boolean} adding True if adding, false if removing.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.setDragging = function(adding) {
-  if (adding) {
-    var group = this.getSvgRoot();
-    group.translate_ = '';
-    group.skew_ = '';
-    Blockly.utils.dom.addClass(
-        /** @type {!Element} */ (this.svgGroup_), 'blocklyDragging');
-  } else {
-    Blockly.utils.dom.removeClass(
-        /** @type {!Element} */ (this.svgGroup_), 'blocklyDragging');
-  }
-};
-
-/**
- * Return the root node of the SVG or null if none exists.
- * @return {!SVGElement} The root SVG node (probably a group).
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.getSvgRoot = function() {
-  return this.svgGroup_;
-};
-
-/**
- * Returns this comment's text.
- * @return {string} Comment text.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.getContent = function() {
-  return this.textarea_ ? this.textarea_.value : this.content_;
-};
-
-/**
- * Set this comment's content.
- * @param {string} content Comment content.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.setContent = function(content) {
-  Blockly.WorkspaceCommentSvg.superClass_.setContent.call(this, content);
-  if (this.textarea_) {
-    this.textarea_.value = content;
-  }
-};
-
-/**
- * Update the cursor over this comment by adding or removing a class.
- * @param {boolean} enable True if the delete cursor should be shown, false
- *     otherwise.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.setDeleteStyle = function(enable) {
-  if (enable) {
-    Blockly.utils.dom.addClass(
-        /** @type {!Element} */ (this.svgGroup_), 'blocklyDraggingDelete');
-  } else {
-    Blockly.utils.dom.removeClass(
-        /** @type {!Element} */ (this.svgGroup_), 'blocklyDraggingDelete');
-  }
-};
-
-/**
- * Set whether auto-layout of this bubble is enabled.  The first time a bubble
- * is shown it positions itself to not cover any blocks.  Once a user has
- * dragged it to reposition, it renders where the user put it.
- * @param {boolean} _enable True if auto-layout should be enabled, false
- *     otherwise.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.setAutoLayout = function(_enable) {
-  // NOP for compatibility with the bubble dragger.
-};
-
-/**
- * Decode an XML comment tag and create a rendered comment on the workspace.
- * @param {!Element} xmlComment XML comment element.
- * @param {!Blockly.Workspace} workspace The workspace.
- * @param {number=} opt_wsWidth The width of the workspace, which is used to
- *     position comments correctly in RTL.
- * @return {!Blockly.WorkspaceCommentSvg} The created workspace comment.
- * @package
- */
-Blockly.WorkspaceCommentSvg.fromXml = function(
-    xmlComment, workspace, opt_wsWidth) {
-  Blockly.Events.disable();
-  try {
-    var info = Blockly.WorkspaceComment.parseAttributes(xmlComment);
-
-    var comment = new Blockly.WorkspaceCommentSvg(
-        workspace, info.content, info.h, info.w, info.id);
-    if (workspace.rendered) {
-      comment.initSvg();
-      comment.render(false);
-    }
-    // Position the comment correctly, taking into account the width of a
-    // rendered RTL workspace.
-    if (!isNaN(info.x) && !isNaN(info.y)) {
-      if (workspace.RTL) {
-        var wsWidth = opt_wsWidth || workspace.getWidth();
-        comment.moveBy(wsWidth - info.x, info.y);
-      } else {
-        comment.moveBy(info.x, info.y);
-      }
-    }
-  } finally {
-    Blockly.Events.enable();
-  }
-  Blockly.WorkspaceComment.fireCreateEvent(comment);
-
-  return comment;
-};
-
-/**
- * Encode a comment subtree as XML with XY coordinates.
- * @param {boolean=} opt_noId True if the encoder should skip the comment ID.
- * @return {!Element} Tree of XML elements.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.toXmlWithXY = function(opt_noId) {
-  var width;  // Not used in LTR.
-  if (this.workspace.RTL) {
-    // Here be performance dragons: This calls getMetrics().
-    width = this.workspace.getWidth();
-  }
-  var element = this.toXml(opt_noId);
-  var xy = this.getRelativeToSurfaceXY();
-  element.setAttribute(
-      'x', Math.round(this.workspace.RTL ? width - xy.x : xy.x));
-  element.setAttribute('y', Math.round(xy.y));
-  element.setAttribute('h', this.getHeight());
-  element.setAttribute('w', this.getWidth());
-  return element;
-};
-
-/**
- * Encode a comment for copying.
- * @return {!Blockly.ICopyable.CopyData} Copy metadata.
- * @package
- */
-Blockly.WorkspaceCommentSvg.prototype.toCopyData = function() {
-  return {xml: this.toXmlWithXY(), source: this.workspace, typeCounts: null};
-};
-
-/**
- * CSS for workspace comment.  See css.js for use.
- */
-Blockly.Css.register([
-  // clang-format off
-  /* eslint-disable indent */
-  '.blocklyCommentForeignObject {',
-    'position: relative;',
-    'z-index: 0;',
-  '}',
-
-  '.blocklyCommentRect {',
-    'fill: #E7DE8E;',
-    'stroke: #bcA903;',
-    'stroke-width: 1px;',
-  '}',
-
-  '.blocklyCommentTarget {',
-    'fill: transparent;',
-    'stroke: #bcA903;',
-  '}',
-
-  '.blocklyCommentTargetFocused {',
-    'fill: none;',
-  '}',
-
-  '.blocklyCommentHandleTarget {',
-    'fill: none;',
-  '}',
-
-  '.blocklyCommentHandleTargetFocused {',
-    'fill: transparent;',
-  '}',
-
-  '.blocklyFocused>.blocklyCommentRect {',
-    'fill: #B9B272;',
-    'stroke: #B9B272;',
-  '}',
-
-  '.blocklySelected>.blocklyCommentTarget {',
-    'stroke: #fc3;',
-    'stroke-width: 3px;',
-  '}',
-
-  '.blocklyCommentDeleteIcon {',
-    'cursor: pointer;',
-    'fill: #000;',
-    'display: none;',
-  '}',
-
-  '.blocklySelected > .blocklyCommentDeleteIcon {',
-    'display: block;',
-  '}',
-
-  '.blocklyDeleteIconShape {',
-    'fill: #000;',
-    'stroke: #000;',
-    'stroke-width: 1px;',
-  '}',
-
-  '.blocklyDeleteIconShape.blocklyDeleteIconHighlighted {',
-    'stroke: #fc3;',
-  '}'
-  /* eslint-enable indent */
-  // clang-format on
-]);
diff --git a/core/workspace_drag_surface_svg.js b/core/workspace_drag_surface_svg.js
deleted file mode 100644
index 57e989be9ac..00000000000
--- a/core/workspace_drag_surface_svg.js
+++ /dev/null
@@ -1,176 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview An SVG that floats on top of the workspace.
- * Blocks are moved into this SVG during a drag, improving performance.
- * The entire SVG is translated using CSS translation instead of SVG so the
- * blocks are never repainted during drag improving performance.
- * @author katelyn@google.com (Katelyn Mann)
- */
-
-'use strict';
-
-goog.provide('Blockly.WorkspaceDragSurfaceSvg');
-
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * Blocks are moved into this SVG during a drag, improving performance.
- * The entire SVG is translated using CSS transforms instead of SVG so the
- * blocks are never repainted during drag improving performance.
- * @param {!Element} container Containing element.
- * @constructor
- */
-Blockly.WorkspaceDragSurfaceSvg = function(container) {
-  this.container_ = container;
-  this.createDom();
-};
-
-/**
- * The SVG drag surface. Set once by Blockly.WorkspaceDragSurfaceSvg.createDom.
- * @type {SVGElement}
- * @private
- */
-Blockly.WorkspaceDragSurfaceSvg.prototype.SVG_ = null;
-
-/**
- * Containing HTML element; parent of the workspace and the drag surface.
- * @type {Element}
- * @private
- */
-Blockly.WorkspaceDragSurfaceSvg.prototype.container_ = null;
-
-/**
- * Create the drag surface and inject it into the container.
- */
-Blockly.WorkspaceDragSurfaceSvg.prototype.createDom = function() {
-  if (this.SVG_) {
-    return;  // Already created.
-  }
-
-  /**
-  * Dom structure when the workspace is being dragged. If there is no drag in
-  * progress, the SVG is empty and display: none.
-  * <svg class="blocklyWsDragSurface" style=transform:translate3d(...)>
-  *   <g class="blocklyBlockCanvas"></g>
-  *   <g class="blocklyBubbleCanvas">/g>
-  * </svg>
-  */
-  this.SVG_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.SVG,
-      {
-        'xmlns': Blockly.utils.dom.SVG_NS,
-        'xmlns:html': Blockly.utils.dom.HTML_NS,
-        'xmlns:xlink': Blockly.utils.dom.XLINK_NS,
-        'version': '1.1',
-        'class': 'blocklyWsDragSurface blocklyOverflowVisible'
-      }, null);
-  this.container_.appendChild(this.SVG_);
-};
-
-/**
- * Translate the entire drag surface during a drag.
- * We translate the drag surface instead of the blocks inside the surface
- * so that the browser avoids repainting the SVG.
- * Because of this, the drag coordinates must be adjusted by scale.
- * @param {number} x X translation for the entire surface
- * @param {number} y Y translation for the entire surface
- * @package
- */
-Blockly.WorkspaceDragSurfaceSvg.prototype.translateSurface = function(x, y) {
-  // This is a work-around to prevent a the blocks from rendering
-  // fuzzy while they are being moved on the drag surface.
-  var fixedX = x.toFixed(0);
-  var fixedY = y.toFixed(0);
-
-  this.SVG_.style.display = 'block';
-  Blockly.utils.dom.setCssTransform(
-      this.SVG_, 'translate3d(' + fixedX + 'px, ' + fixedY + 'px, 0px)');
-};
-
-/**
- * Reports the surface translation in scaled workspace coordinates.
- * Use this when finishing a drag to return blocks to the correct position.
- * @return {!Blockly.utils.Coordinate} Current translation of the surface
- * @package
- */
-Blockly.WorkspaceDragSurfaceSvg.prototype.getSurfaceTranslation = function() {
-  return Blockly.utils.getRelativeXY(/** @type {!SVGElement} */ (this.SVG_));
-};
-
-/**
- * Move the blockCanvas and bubbleCanvas out of the surface SVG and on to
- * newSurface.
- * @param {SVGElement} newSurface The element to put the drag surface contents
- *     into.
- * @package
- */
-Blockly.WorkspaceDragSurfaceSvg.prototype.clearAndHide = function(newSurface) {
-  if (!newSurface) {
-    throw Error('Couldn\'t clear and hide the drag surface: missing ' +
-        'new surface.');
-  }
-  var blockCanvas = /** @type {!Element} */ (this.SVG_.childNodes[0]);
-  var bubbleCanvas = /** @type {!Element} */ (this.SVG_.childNodes[1]);
-  if (!blockCanvas || !bubbleCanvas ||
-      !Blockly.utils.dom.hasClass(blockCanvas, 'blocklyBlockCanvas') ||
-      !Blockly.utils.dom.hasClass(bubbleCanvas, 'blocklyBubbleCanvas')) {
-    throw Error('Couldn\'t clear and hide the drag surface. ' +
-        'A node was missing.');
-  }
-
-  // If there is a previous sibling, put the blockCanvas back right afterwards,
-  // otherwise insert it as the first child node in newSurface.
-  if (this.previousSibling_ != null) {
-    Blockly.utils.dom.insertAfter(blockCanvas, this.previousSibling_);
-  } else {
-    newSurface.insertBefore(blockCanvas, newSurface.firstChild);
-  }
-
-  // Reattach the bubble canvas after the blockCanvas.
-  Blockly.utils.dom.insertAfter(bubbleCanvas, blockCanvas);
-  // Hide the drag surface.
-  this.SVG_.style.display = 'none';
-  if (this.SVG_.childNodes.length) {
-    throw Error('Drag surface was not cleared.');
-  }
-  Blockly.utils.dom.setCssTransform(this.SVG_, '');
-  this.previousSibling_ = null;
-};
-
-/**
- * Set the SVG to have the block canvas and bubble canvas in it and then
- * show the surface.
- * @param {!SVGElement} blockCanvas The block canvas <g> element from the
- *     workspace.
- * @param {!SVGElement} bubbleCanvas The <g> element that contains the bubbles.
- * @param {Element} previousSibling The element to insert the block canvas and
-       bubble canvas after when it goes back in the DOM at the end of a drag.
- * @param {number} width The width of the workspace SVG element.
- * @param {number} height The height of the workspace SVG element.
- * @param {number} scale The scale of the workspace being dragged.
- * @package
- */
-Blockly.WorkspaceDragSurfaceSvg.prototype.setContentsAndShow = function(
-    blockCanvas, bubbleCanvas, previousSibling, width, height, scale) {
-  if (this.SVG_.childNodes.length) {
-    throw Error('Already dragging a block.');
-  }
-  this.previousSibling_ = previousSibling;
-  // Make sure the blocks and bubble canvas are scaled appropriately.
-  blockCanvas.setAttribute('transform', 'translate(0, 0) scale(' + scale + ')');
-  bubbleCanvas.setAttribute(
-      'transform', 'translate(0, 0) scale(' + scale + ')');
-  this.SVG_.setAttribute('width', width);
-  this.SVG_.setAttribute('height', height);
-  this.SVG_.appendChild(blockCanvas);
-  this.SVG_.appendChild(bubbleCanvas);
-  this.SVG_.style.display = 'block';
-};
diff --git a/core/workspace_dragger.js b/core/workspace_dragger.js
deleted file mode 100644
index d1ef7b708e5..00000000000
--- a/core/workspace_dragger.js
+++ /dev/null
@@ -1,85 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Methods for dragging a workspace visually.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.WorkspaceDragger');
-
-goog.require('Blockly.utils.Coordinate');
-
-
-/**
- * Class for a workspace dragger.  It moves the workspace around when it is
- * being dragged by a mouse or touch.
- * Note that the workspace itself manages whether or not it has a drag surface
- * and how to do translations based on that.  This simply passes the right
- * commands based on events.
- * @param {!Blockly.WorkspaceSvg} workspace The workspace to drag.
- * @constructor
- */
-Blockly.WorkspaceDragger = function(workspace) {
-  /**
-   * @type {!Blockly.WorkspaceSvg}
-   * @private
-   */
-  this.workspace_ = workspace;
-
-  /**
-   * The scroll position of the workspace at the beginning of the drag.
-   * Coordinate system: pixel coordinates.
-   * @type {!Blockly.utils.Coordinate}
-   * @protected
-   */
-  this.startScrollXY_ = new Blockly.utils.Coordinate(
-      workspace.scrollX, workspace.scrollY);
-};
-
-/**
- * Sever all links from this object.
- * @package
- * @suppress {checkTypes}
- */
-Blockly.WorkspaceDragger.prototype.dispose = function() {
-  this.workspace_ = null;
-};
-
-/**
- * Start dragging the workspace.
- * @package
- */
-Blockly.WorkspaceDragger.prototype.startDrag = function() {
-  if (Blockly.selected) {
-    Blockly.selected.unselect();
-  }
-  this.workspace_.setupDragSurface();
-};
-
-/**
- * Finish dragging the workspace and put everything back where it belongs.
- * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
- *     moved from the position at the start of the drag, in pixel coordinates.
- * @package
- */
-Blockly.WorkspaceDragger.prototype.endDrag = function(currentDragDeltaXY) {
-  // Make sure everything is up to date.
-  this.drag(currentDragDeltaXY);
-  this.workspace_.resetDragSurface();
-};
-
-/**
- * Move the workspace based on the most recent mouse movements.
- * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
- *     moved from the position at the start of the drag, in pixel coordinates.
- * @package
- */
-Blockly.WorkspaceDragger.prototype.drag = function(currentDragDeltaXY) {
-  var newXY = Blockly.utils.Coordinate.sum(this.startScrollXY_, currentDragDeltaXY);
-  this.workspace_.scroll(newXY.x, newXY.y);
-};
diff --git a/core/workspace_dragger.ts b/core/workspace_dragger.ts
new file mode 100644
index 00000000000..b9318b6d579
--- /dev/null
+++ b/core/workspace_dragger.ts
@@ -0,0 +1,97 @@
+/**
+ * @license
+ * Copyright 2017 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Methods for dragging a workspace visually.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.WorkspaceDragger
+
+import * as common from './common.js';
+import {Coordinate} from './utils/coordinate.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * Class for a workspace dragger.  It moves the workspace around when it is
+ * being dragged by a mouse or touch.
+ *
+ */
+export class WorkspaceDragger {
+  private readonly horizontalScrollEnabled_: boolean;
+  private readonly verticalScrollEnabled_: boolean;
+  protected startScrollXY_: Coordinate;
+
+  /** @param workspace The workspace to drag. */
+  constructor(private workspace: WorkspaceSvg) {
+    /** Whether horizontal scroll is enabled. */
+    this.horizontalScrollEnabled_ = this.workspace.isMovableHorizontally();
+
+    /** Whether vertical scroll is enabled. */
+    this.verticalScrollEnabled_ = this.workspace.isMovableVertically();
+
+    /**
+     * The scroll position of the workspace at the beginning of the drag.
+     * Coordinate system: pixel coordinates.
+     */
+    this.startScrollXY_ = new Coordinate(workspace.scrollX, workspace.scrollY);
+  }
+
+  /**
+   * Sever all links from this object.
+   *
+   * @internal
+   */
+  dispose() {
+    // AnyDuringMigration because:  Type 'null' is not assignable to type
+    // 'WorkspaceSvg'.
+    this.workspace = null as AnyDuringMigration;
+  }
+
+  /**
+   * Start dragging the workspace.
+   *
+   * @internal
+   */
+  startDrag() {
+    if (common.getSelected()) {
+      common.getSelected()!.unselect();
+    }
+  }
+
+  /**
+   * Finish dragging the workspace and put everything back where it belongs.
+   *
+   * @param currentDragDeltaXY How far the pointer has moved from the position
+   *     at the start of the drag, in pixel coordinates.
+   * @internal
+   */
+  endDrag(currentDragDeltaXY: Coordinate) {
+    // Make sure everything is up to date.
+    this.drag(currentDragDeltaXY);
+  }
+
+  /**
+   * Move the workspace based on the most recent mouse movements.
+   *
+   * @param currentDragDeltaXY How far the pointer has moved from the position
+   *     at the start of the drag, in pixel coordinates.
+   * @internal
+   */
+  drag(currentDragDeltaXY: Coordinate) {
+    const newXY = Coordinate.sum(this.startScrollXY_, currentDragDeltaXY);
+
+    if (this.horizontalScrollEnabled_ && this.verticalScrollEnabled_) {
+      this.workspace.scroll(newXY.x, newXY.y);
+    } else if (this.horizontalScrollEnabled_) {
+      this.workspace.scroll(newXY.x, this.workspace.scrollY);
+    } else if (this.verticalScrollEnabled_) {
+      this.workspace.scroll(this.workspace.scrollX, newXY.y);
+    } else {
+      throw new TypeError('Invalid state.');
+    }
+  }
+}
diff --git a/core/workspace_events.js b/core/workspace_events.js
deleted file mode 100644
index f150eb454bf..00000000000
--- a/core/workspace_events.js
+++ /dev/null
@@ -1,93 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Class for a finished loading workspace event.
- * @author BeksOmega
- */
-'use strict';
-
-goog.provide('Blockly.Events.FinishedLoading');
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.Ui');
-goog.require('Blockly.registry');
-goog.require('Blockly.utils.object');
-
-
-/**
- * Class for a finished loading event.
- * Used to notify the developer when the workspace has finished loading (i.e
- * domToWorkspace).
- * Finished loading events do not record undo or redo.
- * @param {!Blockly.Workspace=} opt_workspace The workspace that has finished
- *    loading.  Undefined for a blank event.
- * @extends {Blockly.Events.Ui}
- * @constructor
- */
-Blockly.Events.FinishedLoading = function(opt_workspace) {
-
-  /**
-   * Whether or not the event is blank (to be populated by fromJson).
-   * @type {boolean}
-   */
-  this.isBlank = typeof opt_workspace == 'undefined';
-
-  /**
-   * The workspace identifier for this event.
-   * @type {string}
-   */
-  this.workspaceId = opt_workspace ? opt_workspace.id : '';
-
-  /**
-   * The event group ID for the group this event belongs to. Groups define
-   * events that should be treated as an single action from the user's
-   * perspective, and should be undone together.
-   * @type {string}
-   */
-  this.group = Blockly.Events.getGroup();
-
-  // Workspace events do not undo or redo.
-  this.recordUndo = false;
-};
-Blockly.utils.object.inherits(Blockly.Events.FinishedLoading,
-    Blockly.Events.Ui);
-
-/**
- * Type of this event.
- * @type {string}
- */
-Blockly.Events.FinishedLoading.prototype.type = Blockly.Events.FINISHED_LOADING;
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-Blockly.Events.FinishedLoading.prototype.toJson = function() {
-  var json = {
-    'type': this.type,
-  };
-  if (this.group) {
-    json['group'] = this.group;
-  }
-  if (this.workspaceId) {
-    json['workspaceId'] = this.workspaceId;
-  }
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.FinishedLoading.prototype.fromJson = function(json) {
-  this.isBlank = false;
-  this.workspaceId = json['workspaceId'];
-  this.group = json['group'];
-};
-
-Blockly.registry.register(Blockly.registry.Type.EVENT,
-    Blockly.Events.FINISHED_LOADING, Blockly.Events.FinishedLoading);
diff --git a/core/workspace_svg.js b/core/workspace_svg.js
deleted file mode 100644
index 0b86282117c..00000000000
--- a/core/workspace_svg.js
+++ /dev/null
@@ -1,2661 +0,0 @@
-/**
- * @license
- * Copyright 2014 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object representing a workspace rendered as SVG.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.WorkspaceSvg');
-
-goog.require('Blockly.BlockSvg');
-goog.require('Blockly.blockRendering');
-goog.require('Blockly.ConnectionDB');
-goog.require('Blockly.constants');
-goog.require('Blockly.ContextMenuRegistry');
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockCreate');
-goog.require('Blockly.Gesture');
-goog.require('Blockly.Grid');
-goog.require('Blockly.MarkerManager');
-goog.require('Blockly.Msg');
-goog.require('Blockly.navigation');
-goog.require('Blockly.Options');
-goog.require('Blockly.registry');
-goog.require('Blockly.ThemeManager');
-goog.require('Blockly.Themes.Classic');
-goog.require('Blockly.TouchGesture');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Metrics');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Rect');
-goog.require('Blockly.utils.Svg');
-goog.require('Blockly.utils.toolbox');
-goog.require('Blockly.Workspace');
-goog.require('Blockly.WorkspaceAudio');
-goog.require('Blockly.WorkspaceDragSurfaceSvg');
-goog.require('Blockly.Xml');
-
-goog.requireType('Blockly.blockRendering.Renderer');
-goog.requireType('Blockly.IASTNodeLocationSvg');
-goog.requireType('Blockly.IBoundedElement');
-goog.requireType('Blockly.IFlyout');
-
-
-/**
- * Class for a workspace.  This is an onscreen area with optional trashcan,
- * scrollbars, bubbles, and dragging.
- * @param {!Blockly.Options} options Dictionary of options.
- * @param {Blockly.BlockDragSurfaceSvg=} opt_blockDragSurface Drag surface for
- *     blocks.
- * @param {Blockly.WorkspaceDragSurfaceSvg=} opt_wsDragSurface Drag surface for
- *     the workspace.
- * @extends {Blockly.Workspace}
- * @implements {Blockly.IASTNodeLocationSvg}
- * @constructor
- */
-Blockly.WorkspaceSvg = function(options,
-    opt_blockDragSurface, opt_wsDragSurface) {
-  Blockly.WorkspaceSvg.superClass_.constructor.call(this, options);
-  /** @type {function():!Blockly.utils.Metrics} */
-  this.getMetrics =
-      options.getMetrics || Blockly.WorkspaceSvg.getTopLevelWorkspaceMetrics_;
-  /** @type {function(!{x:number, y:number}):void} */
-  this.setMetrics =
-      options.setMetrics || Blockly.WorkspaceSvg.setTopLevelWorkspaceMetrics_;
-
-
-  this.connectionDBList = Blockly.ConnectionDB.init(this.connectionChecker);
-
-  if (opt_blockDragSurface) {
-    this.blockDragSurface_ = opt_blockDragSurface;
-  }
-
-  if (opt_wsDragSurface) {
-    this.workspaceDragSurface_ = opt_wsDragSurface;
-  }
-
-  this.useWorkspaceDragSurface_ =
-      !!this.workspaceDragSurface_ && Blockly.utils.is3dSupported();
-
-  /**
-   * List of currently highlighted blocks.  Block highlighting is often used to
-   * visually mark blocks currently being executed.
-   * @type {!Array.<!Blockly.BlockSvg>}
-   * @private
-   */
-  this.highlightedBlocks_ = [];
-
-  /**
-   * Object in charge of loading, storing, and playing audio for a workspace.
-   * @type {!Blockly.WorkspaceAudio}
-   * @private
-   */
-  this.audioManager_ = new Blockly.WorkspaceAudio(
-      /** @type {Blockly.WorkspaceSvg} */ (options.parentWorkspace));
-
-  /**
-   * This workspace's grid object or null.
-   * @type {Blockly.Grid}
-   * @private
-   */
-  this.grid_ = this.options.gridPattern ?
-      new Blockly.Grid(this.options.gridPattern, options.gridOptions) : null;
-
-  /**
-   * Manager in charge of markers and cursors.
-   * @type {!Blockly.MarkerManager}
-   * @private
-   */
-  this.markerManager_ = new Blockly.MarkerManager(this);
-
-  /**
-  * Map from function names to callbacks, for deciding what to do when a custom
-  * toolbox category is opened.
-  * @type {!Object.<string, ?function(!Blockly.Workspace):!Array.<!Element>>}
-  * @private
-  */
-  this.toolboxCategoryCallbacks_ = {};
-
-  /**
-  * Map from function names to callbacks, for deciding what to do when a button
-  * is clicked.
-  * @type {!Object.<string, ?function(!Blockly.FlyoutButton)>}
-  * @private
-  */
-  this.flyoutButtonCallbacks_ = {};
-
-  if (Blockly.Variables && Blockly.Variables.flyoutCategory) {
-    this.registerToolboxCategoryCallback(Blockly.VARIABLE_CATEGORY_NAME,
-        Blockly.Variables.flyoutCategory);
-  }
-  if (Blockly.VariablesDynamic && Blockly.VariablesDynamic.flyoutCategory) {
-    this.registerToolboxCategoryCallback(Blockly.VARIABLE_DYNAMIC_CATEGORY_NAME,
-        Blockly.VariablesDynamic.flyoutCategory);
-  }
-  if (Blockly.Procedures && Blockly.Procedures.flyoutCategory) {
-    this.registerToolboxCategoryCallback(Blockly.PROCEDURE_CATEGORY_NAME,
-        Blockly.Procedures.flyoutCategory);
-    this.addChangeListener(Blockly.Procedures.mutatorOpenListener);
-  }
-
-  /**
-   * Object in charge of storing and updating the workspace theme.
-   * @type {!Blockly.ThemeManager}
-   * @protected
-   */
-  this.themeManager_ = this.options.parentWorkspace ?
-      this.options.parentWorkspace.getThemeManager() :
-      new Blockly.ThemeManager(this,
-          this.options.theme || Blockly.Themes.Classic);
-  this.themeManager_.subscribeWorkspace(this);
-
-  /**
-   * The block renderer used for rendering blocks on this workspace.
-   * @type {!Blockly.blockRendering.Renderer}
-   * @private
-   */
-  this.renderer_ = Blockly.blockRendering.init(this.options.renderer || 'geras',
-      this.getTheme(), this.options.rendererOverrides);
-
-  /**
-   * Cached parent SVG.
-   * @type {SVGElement}
-   * @private
-   */
-  this.cachedParentSvg_ = null;
-
-  /**
-   * True if keyboard accessibility mode is on, false otherwise.
-   * @type {boolean}
-   */
-  this.keyboardAccessibilityMode = false;
-
-  /**
-   * The list of top-level bounded elements on the workspace.
-   * @type {!Array.<!Blockly.IBoundedElement>}
-   * @private
-   */
-  this.topBoundedElements_ = [];
-};
-Blockly.utils.object.inherits(Blockly.WorkspaceSvg, Blockly.Workspace);
-
-/**
- * A wrapper function called when a resize event occurs.
- * You can pass the result to `unbindEvent_`.
- * @type {Array.<!Array>}
- * @private
- */
-Blockly.WorkspaceSvg.prototype.resizeHandlerWrapper_ = null;
-
-/**
- * The render status of an SVG workspace.
- * Returns `false` for headless workspaces and true for instances of
- * `Blockly.WorkspaceSvg`.
- * @type {boolean}
- */
-Blockly.WorkspaceSvg.prototype.rendered = true;
-
-/**
- * Whether the workspace is visible.  False if the workspace has been hidden
- * by calling `setVisible(false)`.
- * @type {boolean}
- * @private
- */
-Blockly.WorkspaceSvg.prototype.isVisible_ = true;
-
-/**
- * Is this workspace the surface for a flyout?
- * @type {boolean}
- */
-Blockly.WorkspaceSvg.prototype.isFlyout = false;
-
-/**
- * Is this workspace the surface for a mutator?
- * @type {boolean}
- * @package
- */
-Blockly.WorkspaceSvg.prototype.isMutator = false;
-
-/**
- * Whether this workspace has resizes enabled.
- * Disable during batch operations for a performance improvement.
- * @type {boolean}
- * @private
- */
-Blockly.WorkspaceSvg.prototype.resizesEnabled_ = true;
-
-/**
- * Current horizontal scrolling offset in pixel units, relative to the
- * workspace origin.
- *
- * It is useful to think about a view, and a canvas moving beneath that
- * view. As the canvas moves right, this value becomes more positive, and
- * the view is now "seeing" the left side of the canvas. As the canvas moves
- * left, this value becomes more negative, and the view is now "seeing" the
- * right side of the canvas.
- *
- * The confusing thing about this value is that it does not, and must not
- * include the absoluteLeft offset. This is because it is used to calculate
- * the viewLeft value.
- *
- * The viewLeft is relative to the workspace origin (although in pixel
- * units). The workspace origin is the top-left corner of the workspace (at
- * least when it is enabled). It is shifted from the top-left of the blocklyDiv
- * so as not to be beneath the toolbox.
- *
- * When the workspace is enabled the viewLeft and workspace origin are at
- * the same X location. As the canvas slides towards the right beneath the view
- * this value (scrollX) becomes more positive, and the viewLeft becomes more
- * negative relative to the workspace origin (imagine the workspace origin
- * as a dot on the canvas sliding to the right as the canvas moves).
- *
- * So if the scrollX were to include the absoluteLeft this would in a way
- * "unshift" the workspace origin. This means that the viewLeft would be
- * representing the left edge of the blocklyDiv, rather than the left edge
- * of the workspace.
- *
- * @type {number}
- */
-Blockly.WorkspaceSvg.prototype.scrollX = 0;
-
-/**
- * Current vertical scrolling offset in pixel units, relative to the
- * workspace origin.
- *
- * It is useful to think about a view, and a canvas moving beneath that
- * view. As the canvas moves down, this value becomes more positive, and the
- * view is now "seeing" the upper part of the canvas. As the canvas moves
- * up, this value becomes more negative, and the view is "seeing" the lower
- * part of the canvas.
- *
- * This confusing thing about this value is that it does not, and must not
- * include the absoluteTop offset. This is because it is used to calculate
- * the viewTop value.
- *
- * The viewTop is relative to the workspace origin (although in pixel
- * units). The workspace origin is the top-left corner of the workspace (at
- * least when it is enabled). It is shifted from the top-left of the
- * blocklyDiv so as not to be beneath the toolbox.
- *
- * When the workspace is enabled the viewTop and workspace origin are at the
- * same Y location. As the canvas slides towards the bottom this value
- * (scrollY) becomes more positive, and the viewTop becomes more negative
- * relative to the workspace origin (image in the workspace origin as a dot
- * on the canvas sliding downwards as the canvas moves).
- *
- * So if the scrollY were to include the absoluteTop this would in a way
- * "unshift" the workspace origin. This means that the viewTop would be
- * representing the top edge of the blocklyDiv, rather than the top edge of
- * the workspace.
- *
- * @type {number}
- */
-Blockly.WorkspaceSvg.prototype.scrollY = 0;
-
-/**
- * Horizontal scroll value when scrolling started in pixel units.
- * @type {number}
- */
-Blockly.WorkspaceSvg.prototype.startScrollX = 0;
-
-/**
- * Vertical scroll value when scrolling started in pixel units.
- * @type {number}
- */
-Blockly.WorkspaceSvg.prototype.startScrollY = 0;
-
-/**
- * Distance from mouse to object being dragged.
- * @type {Blockly.utils.Coordinate}
- * @private
- */
-Blockly.WorkspaceSvg.prototype.dragDeltaXY_ = null;
-
-/**
- * Current scale.
- * @type {number}
- */
-Blockly.WorkspaceSvg.prototype.scale = 1;
-
-// TODO(#4203) Enable viewport events after ui events refactor.
-// /**
-//  * Cached scale value. Used to detect changes in viewport.
-//  * @type {number}
-//  * @private
-//  */
-// Blockly.WorkspaceSvg.prototype.oldScale_ = 1;
-//
-// /**
-//  * Cached viewport top value. Used to detect changes in viewport.
-//  * @type {number}
-//  * @private
-//  */
-// Blockly.WorkspaceSvg.prototype.oldTop_ = 0;
-//
-// /**
-//  * Cached viewport left value. Used to detect changes in viewport.
-//  * @type {number}
-//  * @private
-//  */
-// Blockly.WorkspaceSvg.prototype.oldLeft_ = 0;
-
-/**
- * The workspace's trashcan (if any).
- * @type {Blockly.Trashcan}
- */
-Blockly.WorkspaceSvg.prototype.trashcan = null;
-
-/**
- * This workspace's scrollbars, if they exist.
- * @type {Blockly.ScrollbarPair}
- */
-Blockly.WorkspaceSvg.prototype.scrollbar = null;
-
-/**
- * Fixed flyout providing blocks which may be dragged into this workspace.
- * @type {Blockly.IFlyout}
- * @private
- */
-Blockly.WorkspaceSvg.prototype.flyout_ = null;
-
-/**
- * Category-based toolbox providing blocks which may be dragged into this
- * workspace.
- * @type {Blockly.IToolbox}
- * @private
- */
-Blockly.WorkspaceSvg.prototype.toolbox_ = null;
-
-/**
- * The current gesture in progress on this workspace, if any.
- * @type {Blockly.TouchGesture}
- * @private
- */
-Blockly.WorkspaceSvg.prototype.currentGesture_ = null;
-
-/**
- * This workspace's surface for dragging blocks, if it exists.
- * @type {Blockly.BlockDragSurfaceSvg}
- * @private
- */
-Blockly.WorkspaceSvg.prototype.blockDragSurface_ = null;
-
-/**
- * This workspace's drag surface, if it exists.
- * @type {Blockly.WorkspaceDragSurfaceSvg}
- * @private
- */
-Blockly.WorkspaceSvg.prototype.workspaceDragSurface_ = null;
-
-/**
-  * Whether to move workspace to the drag surface when it is dragged.
-  * True if it should move, false if it should be translated directly.
-  * @type {boolean}
-  * @private
-  */
-Blockly.WorkspaceSvg.prototype.useWorkspaceDragSurface_ = false;
-
-/**
- * Whether the drag surface is actively in use. When true, calls to
- * translate will translate the drag surface instead of the translating the
- * workspace directly.
- * This is set to true in setupDragSurface and to false in resetDragSurface.
- * @type {boolean}
- * @private
- */
-Blockly.WorkspaceSvg.prototype.isDragSurfaceActive_ = false;
-
-/**
- * The first parent div with 'injectionDiv' in the name, or null if not set.
- * Access this with getInjectionDiv.
- * @type {Element}
- * @private
- */
-Blockly.WorkspaceSvg.prototype.injectionDiv_ = null;
-
-/**
- * Last known position of the page scroll.
- * This is used to determine whether we have recalculated screen coordinate
- * stuff since the page scrolled.
- * @type {Blockly.utils.Coordinate}
- * @private
- */
-Blockly.WorkspaceSvg.prototype.lastRecordedPageScroll_ = null;
-
-/**
- * Developers may define this function to add custom menu options to the
- * workspace's context menu or edit the workspace-created set of menu options.
- * @param {!Array.<!Object>} options List of menu options to add to.
- * @param {!Event} e The right-click event that triggered the context menu.
- */
-Blockly.WorkspaceSvg.prototype.configureContextMenu;
-
-/**
- * In a flyout, the target workspace where blocks should be placed after a drag.
- * Otherwise null.
- * @type {Blockly.WorkspaceSvg}
- * @package
- */
-Blockly.WorkspaceSvg.prototype.targetWorkspace = null;
-
-/**
- * Inverted screen CTM, for use in mouseToSvg.
- * @type {SVGMatrix}
- * @private
- */
-Blockly.WorkspaceSvg.prototype.inverseScreenCTM_ = null;
-
-/**
- * Inverted screen CTM is dirty, recalculate it.
- * @type {boolean}
- * @private
- */
-Blockly.WorkspaceSvg.prototype.inverseScreenCTMDirty_ = true;
-
-/**
- * Get the marker manager for this workspace.
- * @return {Blockly.MarkerManager} The marker manager.
- */
-Blockly.WorkspaceSvg.prototype.getMarkerManager = function() {
-  return this.markerManager_;
-};
-
-/**
- * Add the cursor svg to this workspaces svg group.
- * @param {SVGElement} cursorSvg The svg root of the cursor to be added to the
- *     workspace svg group.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.setCursorSvg = function(cursorSvg) {
-  this.markerManager_.setCursorSvg(cursorSvg);
-};
-
-/**
- * Add the marker svg to this workspaces svg group.
- * @param {SVGElement} markerSvg The svg root of the marker to be added to the
- *     workspace svg group.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.setMarkerSvg = function(markerSvg) {
-  this.markerManager_.setMarkerSvg(markerSvg);
-};
-
-/**
- * Get the marker with the given id.
- * @param {string} id The id of the marker.
- * @return {Blockly.Marker} The marker with the given id or null if no marker
- *     with the given id exists.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.getMarker = function(id) {
-  if (this.markerManager_) {
-    return this.markerManager_.getMarker(id);
-  }
-  return null;
-};
-
-/**
- * The cursor for this workspace.
- * @return {Blockly.Cursor} The cursor for the workspace.
- */
-Blockly.WorkspaceSvg.prototype.getCursor = function() {
-  if (this.markerManager_) {
-    return this.markerManager_.getCursor();
-  }
-  return null;
-};
-
-/**
- * Get the block renderer attached to this workspace.
- * @return {!Blockly.blockRendering.Renderer} The renderer attached to this workspace.
- */
-Blockly.WorkspaceSvg.prototype.getRenderer = function() {
-  return this.renderer_;
-};
-
-/**
- * Get the theme manager for this workspace.
- * @return {!Blockly.ThemeManager} The theme manager for this workspace.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.getThemeManager = function() {
-  return this.themeManager_;
-};
-
-/**
- * Get the workspace theme object.
- * @return {!Blockly.Theme} The workspace theme object.
- */
-Blockly.WorkspaceSvg.prototype.getTheme = function() {
-  return this.themeManager_.getTheme();
-};
-
-/**
- * Set the workspace theme object.
- * If no theme is passed, default to the `Blockly.Themes.Classic` theme.
- * @param {Blockly.Theme} theme The workspace theme object.
- */
-Blockly.WorkspaceSvg.prototype.setTheme = function(theme) {
-  if (!theme) {
-    theme = /** @type {!Blockly.Theme} */ (Blockly.Themes.Classic);
-  }
-  this.themeManager_.setTheme(theme);
-};
-
-/**
- * Refresh all blocks on the workspace after a theme update.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.refreshTheme = function() {
-  if (this.svgGroup_) {
-    this.renderer_.refreshDom(this.svgGroup_, this.getTheme());
-  }
-
-  // Update all blocks in workspace that have a style name.
-  this.updateBlockStyles_(this.getAllBlocks(false).filter(
-      function(block) {
-        return block.getStyleName() !== undefined;
-      }
-  ));
-
-  // Update current toolbox selection.
-  this.refreshToolboxSelection();
-  if (this.toolbox_) {
-    this.toolbox_.refreshTheme();
-  }
-
-  // Re-render if workspace is visible
-  if (this.isVisible()) {
-    this.setVisible(true);
-  }
-
-  var event = new Blockly.Events.Ui(null, 'theme', null, null);
-  event.workspaceId = this.id;
-  Blockly.Events.fire(event);
-};
-
-/**
- * Updates all the blocks with new style.
- * @param {!Array.<!Blockly.Block>} blocks List of blocks to update the style
- *     on.
- * @private
- */
-Blockly.WorkspaceSvg.prototype.updateBlockStyles_ = function(blocks) {
-  for (var i = 0, block; (block = blocks[i]); i++) {
-    var blockStyleName = block.getStyleName();
-    if (blockStyleName) {
-      block.setStyle(blockStyleName);
-      if (block.mutator) {
-        block.mutator.updateBlockStyle();
-      }
-    }
-  }
-};
-
-/**
- * Getter for the inverted screen CTM.
- * @return {SVGMatrix} The matrix to use in mouseToSvg
- */
-Blockly.WorkspaceSvg.prototype.getInverseScreenCTM = function() {
-
-  // Defer getting the screen CTM until we actually need it, this should
-  // avoid forced reflows from any calls to updateInverseScreenCTM.
-  if (this.inverseScreenCTMDirty_) {
-    var ctm = this.getParentSvg().getScreenCTM();
-    if (ctm) {
-      this.inverseScreenCTM_ = ctm.inverse();
-      this.inverseScreenCTMDirty_ = false;
-    }
-  }
-
-  return this.inverseScreenCTM_;
-};
-
-/**
- * Mark the inverse screen CTM as dirty.
- */
-Blockly.WorkspaceSvg.prototype.updateInverseScreenCTM = function() {
-  this.inverseScreenCTMDirty_ = true;
-};
-
-/**
- * Getter for isVisible
- * @return {boolean} Whether the workspace is visible.
- *     False if the workspace has been hidden by calling `setVisible(false)`.
- */
-Blockly.WorkspaceSvg.prototype.isVisible = function() {
-  return this.isVisible_;
-};
-
-/**
- * Return the absolute coordinates of the top-left corner of this element,
- * scales that after canvas SVG element, if it's a descendant.
- * The origin (0,0) is the top-left corner of the Blockly SVG.
- * @param {!SVGElement} element SVG element to find the coordinates of.
- * @return {!Blockly.utils.Coordinate} Object with .x and .y properties.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.getSvgXY = function(element) {
-  var x = 0;
-  var y = 0;
-  var scale = 1;
-  if (Blockly.utils.dom.containsNode(this.getCanvas(), element) ||
-      Blockly.utils.dom.containsNode(this.getBubbleCanvas(), element)) {
-    // Before the SVG canvas, scale the coordinates.
-    scale = this.scale;
-  }
-  do {
-    // Loop through this block and every parent.
-    var xy = Blockly.utils.getRelativeXY(element);
-    if (element == this.getCanvas() ||
-        element == this.getBubbleCanvas()) {
-      // After the SVG canvas, don't scale the coordinates.
-      scale = 1;
-    }
-    x += xy.x * scale;
-    y += xy.y * scale;
-    element = /** @type {!SVGElement} */ (element.parentNode);
-  } while (element && element != this.getParentSvg());
-  return new Blockly.utils.Coordinate(x, y);
-};
-
-/**
- * Return the position of the workspace origin relative to the injection div
- * origin in pixels.
- * The workspace origin is where a block would render at position (0, 0).
- * It is not the upper left corner of the workspace SVG.
- * @return {!Blockly.utils.Coordinate} Offset in pixels.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.getOriginOffsetInPixels = function() {
-  return Blockly.utils.getInjectionDivXY_(this.getCanvas());
-};
-
-/**
- * Return the injection div that is a parent of this workspace.
- * Walks the DOM the first time it's called, then returns a cached value.
- * Note: We assume this is only called after the workspace has been injected
- * into the DOM.
- * @return {!Element} The first parent div with 'injectionDiv' in the name.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.getInjectionDiv = function() {
-  // NB: it would be better to pass this in at createDom, but is more likely to
-  // break existing uses of Blockly.
-  if (!this.injectionDiv_) {
-    var element = this.svgGroup_;
-    while (element) {
-      var classes = element.getAttribute('class') || '';
-      if ((' ' + classes + ' ').indexOf(' injectionDiv ') != -1) {
-        this.injectionDiv_ = element;
-        break;
-      }
-      element = /** @type {!Element} */ (element.parentNode);
-    }
-  }
-  return /** @type {!Element} */ (this.injectionDiv_);
-};
-
-/**
- * Get the svg block canvas for the workspace.
- * @return {SVGElement} The svg group for the workspace.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.getBlockCanvas = function() {
-  return this.svgBlockCanvas_;
-};
-
-/**
- * Save resize handler data so we can delete it later in dispose.
- * @param {!Array.<!Array>} handler Data that can be passed to unbindEvent_.
- */
-Blockly.WorkspaceSvg.prototype.setResizeHandlerWrapper = function(handler) {
-  this.resizeHandlerWrapper_ = handler;
-};
-
-/**
- * Create the workspace DOM elements.
- * @param {string=} opt_backgroundClass Either 'blocklyMainBackground' or
- *     'blocklyMutatorBackground'.
- * @return {!Element} The workspace's SVG group.
- */
-Blockly.WorkspaceSvg.prototype.createDom = function(opt_backgroundClass) {
-  /**
-   * <g class="blocklyWorkspace">
-   *   <rect class="blocklyMainBackground" height="100%" width="100%"></rect>
-   *   [Trashcan and/or flyout may go here]
-   *   <g class="blocklyBlockCanvas"></g>
-   *   <g class="blocklyBubbleCanvas"></g>
-   * </g>
-   * @type {SVGElement}
-   */
-  this.svgGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G,
-      {'class': 'blocklyWorkspace'}, null);
-
-  // Note that a <g> alone does not receive mouse events--it must have a
-  // valid target inside it.  If no background class is specified, as in the
-  // flyout, the workspace will not receive mouse events.
-  if (opt_backgroundClass) {
-    /** @type {SVGElement} */
-    this.svgBackground_ = Blockly.utils.dom.createSvgElement(
-        Blockly.utils.Svg.RECT,
-        {'height': '100%', 'width': '100%', 'class': opt_backgroundClass},
-        this.svgGroup_);
-
-    if (opt_backgroundClass == 'blocklyMainBackground' && this.grid_) {
-      this.svgBackground_.style.fill =
-          'url(#' + this.grid_.getPatternId() + ')';
-    } else {
-      this.themeManager_.subscribe(this.svgBackground_,
-          'workspaceBackgroundColour', 'fill');
-    }
-  }
-  /** @type {SVGElement} */
-  this.svgBlockCanvas_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G,
-      {'class': 'blocklyBlockCanvas'}, this.svgGroup_);
-  /** @type {SVGElement} */
-  this.svgBubbleCanvas_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G,
-      {'class': 'blocklyBubbleCanvas'}, this.svgGroup_);
-
-  if (!this.isFlyout) {
-    Blockly.bindEventWithChecks_(this.svgGroup_, 'mousedown', this,
-        this.onMouseDown_, false, true);
-    Blockly.bindEventWithChecks_(this.svgGroup_, 'wheel', this,
-        this.onMouseWheel_);
-  }
-
-  // Determine if there needs to be a category tree, or a simple list of
-  // blocks.  This cannot be changed later, since the UI is very different.
-  if (this.options.hasCategories) {
-    if (!Blockly.Toolbox) {
-      throw Error('Missing require for Blockly.Toolbox');
-    }
-    var ToolboxClass = Blockly.registry.getClassFromOptions(
-        Blockly.registry.Type.TOOLBOX, this.options);
-    this.toolbox_ = new ToolboxClass(this);
-  }
-  if (this.grid_) {
-    this.grid_.update(this.scale);
-  }
-  this.recordDeleteAreas();
-
-  this.markerManager_.setCursor(new Blockly.Cursor());
-  this.markerManager_.registerMarker(Blockly.navigation.MARKER_NAME,
-      new Blockly.Marker());
-
-  this.renderer_.createDom(this.svgGroup_, this.getTheme());
-  return this.svgGroup_;
-};
-
-/**
- * Dispose of this workspace.
- * Unlink from all DOM elements to prevent memory leaks.
- * @suppress {checkTypes}
- */
-Blockly.WorkspaceSvg.prototype.dispose = function() {
-  // Stop rerendering.
-  this.rendered = false;
-  if (this.currentGesture_) {
-    this.currentGesture_.cancel();
-  }
-  if (this.svgGroup_) {
-    Blockly.utils.dom.removeNode(this.svgGroup_);
-    this.svgGroup_ = null;
-  }
-  this.svgBlockCanvas_ = null;
-  this.svgBubbleCanvas_ = null;
-  if (this.toolbox_) {
-    this.toolbox_.dispose();
-    this.toolbox_ = null;
-  }
-  if (this.flyout_) {
-    this.flyout_.dispose();
-    this.flyout_ = null;
-  }
-  if (this.trashcan) {
-    this.trashcan.dispose();
-    this.trashcan = null;
-  }
-  if (this.scrollbar) {
-    this.scrollbar.dispose();
-    this.scrollbar = null;
-  }
-  if (this.zoomControls_) {
-    this.zoomControls_.dispose();
-    this.zoomControls_ = null;
-  }
-
-  if (this.audioManager_) {
-    this.audioManager_.dispose();
-    this.audioManager_ = null;
-  }
-
-  if (this.grid_) {
-    this.grid_.dispose();
-    this.grid_ = null;
-  }
-
-  this.renderer_.dispose();
-
-  if (this.markerManager_) {
-    this.markerManager_.dispose();
-    this.markerManager_ = null;
-  }
-
-  Blockly.WorkspaceSvg.superClass_.dispose.call(this);
-
-  // Dispose of theme manager after all blocks and mutators are disposed of.
-  if (this.themeManager_) {
-    this.themeManager_.unsubscribeWorkspace(this);
-    this.themeManager_.unsubscribe(this.svgBackground_);
-    if (!this.options.parentWorkspace) {
-      this.themeManager_.dispose();
-      this.themeManager_ = null;
-    }
-  }
-
-  this.connectionDBList = null;
-
-  this.toolboxCategoryCallbacks_ = null;
-  this.flyoutButtonCallbacks_ = null;
-
-  if (!this.options.parentWorkspace) {
-    // Top-most workspace.  Dispose of the div that the
-    // SVG is injected into (i.e. injectionDiv).
-    var parentSvg = this.getParentSvg();
-    if (parentSvg && parentSvg.parentNode) {
-      Blockly.utils.dom.removeNode(parentSvg.parentNode);
-    }
-  }
-  if (this.resizeHandlerWrapper_) {
-    Blockly.unbindEvent_(this.resizeHandlerWrapper_);
-    this.resizeHandlerWrapper_ = null;
-  }
-};
-
-/**
- * Obtain a newly created block.
- *
- * This block's svg must still be initialized
- * ([initSvg]{@link Blockly.BlockSvg#initSvg}) and it must be rendered
- * ([render]{@link Blockly.BlockSvg#render}) before the block will be visible.
- * @param {!string} prototypeName Name of the language object containing
- *     type-specific functions for this block.
- * @param {string=} opt_id Optional ID.  Use this ID if provided, otherwise
- *     create a new ID.
- * @return {!Blockly.BlockSvg} The created block.
- * @override
- */
-Blockly.WorkspaceSvg.prototype.newBlock = function(prototypeName, opt_id) {
-  return new Blockly.BlockSvg(this, prototypeName, opt_id);
-};
-
-/**
- * Add a trashcan.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.addTrashcan = function() {
-  if (!Blockly.Trashcan) {
-    throw Error('Missing require for Blockly.Trashcan');
-  }
-  /** @type {Blockly.Trashcan} */
-  this.trashcan = new Blockly.Trashcan(this);
-  var svgTrashcan = this.trashcan.createDom();
-  this.svgGroup_.insertBefore(svgTrashcan, this.svgBlockCanvas_);
-};
-
-/**
- * Add zoom controls.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.addZoomControls = function() {
-  if (!Blockly.ZoomControls) {
-    throw Error('Missing require for Blockly.ZoomControls');
-  }
-  /** @type {Blockly.ZoomControls} */
-  this.zoomControls_ = new Blockly.ZoomControls(this);
-  var svgZoomControls = this.zoomControls_.createDom();
-  this.svgGroup_.appendChild(svgZoomControls);
-};
-
-/**
- * Add a flyout element in an element with the given tag name.
- * @param {string|
- * !Blockly.utils.Svg<!SVGSVGElement>|
- * !Blockly.utils.Svg<!SVGGElement>} tagName What type of tag the
- *     flyout belongs in.
- * @return {!Element} The element containing the flyout DOM.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.addFlyout = function(tagName) {
-  var workspaceOptions = new Blockly.Options(
-      /** @type {!Blockly.BlocklyOptions} */
-      ({
-        'parentWorkspace': this,
-        'rtl': this.RTL,
-        'oneBasedIndex': this.options.oneBasedIndex,
-        'horizontalLayout': this.horizontalLayout,
-        'renderer': this.options.renderer,
-        'rendererOverrides': this.options.rendererOverrides
-      }));
-  workspaceOptions.toolboxPosition = this.options.toolboxPosition;
-  if (this.horizontalLayout) {
-    if (!Blockly.HorizontalFlyout) {
-      throw Error('Missing require for Blockly.HorizontalFlyout');
-    }
-    this.flyout_ = new Blockly.HorizontalFlyout(workspaceOptions);
-  } else {
-    if (!Blockly.VerticalFlyout) {
-      throw Error('Missing require for Blockly.VerticalFlyout');
-    }
-    this.flyout_ = new Blockly.VerticalFlyout(workspaceOptions);
-  }
-  this.flyout_.autoClose = false;
-  this.flyout_.getWorkspace().setVisible(true);
-
-  // Return the element so that callers can place it in their desired
-  // spot in the DOM.  For example, mutator flyouts do not go in the same place
-  // as main workspace flyouts.
-  return this.flyout_.createDom(tagName);
-};
-
-/**
- * Getter for the flyout associated with this workspace.  This flyout may be
- * owned by either the toolbox or the workspace, depending on toolbox
- * configuration.  It will be null if there is no flyout.
- * @param {boolean=} opt_own Only return the workspace's own flyout if True.
- * @return {Blockly.IFlyout} The flyout on this workspace.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.getFlyout = function(opt_own) {
-  if (this.flyout_ || opt_own) {
-    return this.flyout_;
-  }
-  if (this.toolbox_) {
-    return this.toolbox_.getFlyout();
-  }
-  return null;
-};
-
-/**
- * Getter for the toolbox associated with this workspace, if one exists.
- * @return {Blockly.IToolbox} The toolbox on this workspace.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.getToolbox = function() {
-  return this.toolbox_;
-};
-
-/**
- * Update items that use screen coordinate calculations
- * because something has changed (e.g. scroll position, window size).
- * @private
- */
-Blockly.WorkspaceSvg.prototype.updateScreenCalculations_ = function() {
-  this.updateInverseScreenCTM();
-  this.recordDeleteAreas();
-};
-
-/**
- * If enabled, resize the parts of the workspace that change when the workspace
- * contents (e.g. block positions) change.  This will also scroll the
- * workspace contents if needed.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.resizeContents = function() {
-  if (!this.resizesEnabled_ || !this.rendered) {
-    return;
-  }
-  if (this.scrollbar) {
-    this.scrollbar.resize();
-  }
-  this.updateInverseScreenCTM();
-};
-
-/**
- * Resize and reposition all of the workspace chrome (toolbox,
- * trash, scrollbars etc.)
- * This should be called when something changes that
- * requires recalculating dimensions and positions of the
- * trash, zoom, toolbox, etc. (e.g. window resize).
- */
-Blockly.WorkspaceSvg.prototype.resize = function() {
-  if (this.toolbox_) {
-    this.toolbox_.position();
-  }
-  if (this.flyout_) {
-    this.flyout_.position();
-  }
-  if (this.trashcan) {
-    this.trashcan.position();
-  }
-  if (this.zoomControls_) {
-    this.zoomControls_.position();
-  }
-  if (this.scrollbar) {
-    this.scrollbar.resize();
-  }
-  this.updateScreenCalculations_();
-};
-
-/**
- * Resizes and repositions workspace chrome if the page has a new
- * scroll position.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.updateScreenCalculationsIfScrolled =
-    function() {
-    /* eslint-disable indent */
-  var currScroll = Blockly.utils.getDocumentScroll();
-  if (!Blockly.utils.Coordinate.equals(
-      this.lastRecordedPageScroll_, currScroll)) {
-    this.lastRecordedPageScroll_ = currScroll;
-    this.updateScreenCalculations_();
-  }
-}; /* eslint-enable indent */
-
-/**
- * Get the SVG element that forms the drawing surface.
- * @return {!SVGGElement} SVG group element.
- */
-Blockly.WorkspaceSvg.prototype.getCanvas = function() {
-  return /** @type {!SVGGElement} */ (this.svgBlockCanvas_);
-};
-
-/**
- * Get the SVG element that forms the bubble surface.
- * @return {!SVGGElement} SVG group element.
- */
-Blockly.WorkspaceSvg.prototype.getBubbleCanvas = function() {
-  return /** @type {!SVGGElement} */ (this.svgBubbleCanvas_);
-};
-
-/**
- * Get the SVG element that contains this workspace.
- * Note: We assume this is only called after the workspace has been injected
- * into the DOM.
- * @return {!SVGElement} SVG element.
- */
-Blockly.WorkspaceSvg.prototype.getParentSvg = function() {
-  if (!this.cachedParentSvg_) {
-    var element = this.svgGroup_;
-    while (element) {
-      if (element.tagName == 'svg') {
-        this.cachedParentSvg_ = element;
-        break;
-      }
-      element = /** @type {!SVGElement} */ (element.parentNode);
-    }
-  }
-  return /** @type {!SVGElement} */ (this.cachedParentSvg_);
-};
-
-/**
- * Fires a viewport event if events are enabled and there is a change in
- * viewport values.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.maybeFireViewportChangeEvent = function() {
-  // TODO(#4203) Enable viewport events after ui events refactor.
-  // if (!Blockly.Events.isEnabled()) {
-  //   return;
-  // }
-  // var scale = this.scale;
-  // var top = -this.scrollY;
-  // var left = -this.scrollX;
-  // if (scale == this.oldScale_ && top == this.oldTop_ && left == this.oldLeft_) {
-  //   return;
-  // }
-  // this.oldScale_ = scale;
-  // this.oldTop_ = top;
-  // this.oldLeft_ = left;
-  // var event = new Blockly.Events.Ui(null, 'viewport', null,
-  //     { scale: scale, top: top, left: left });
-  // event.workspaceId = this.id;
-  // Blockly.Events.fire(event);
-};
-
-/**
- * Translate this workspace to new coordinates.
- * @param {number} x Horizontal translation, in pixel units relative to the
- *    top left of the Blockly div.
- * @param {number} y Vertical translation, in pixel units relative to the
- *    top left of the Blockly div.
- */
-Blockly.WorkspaceSvg.prototype.translate = function(x, y) {
-  if (this.useWorkspaceDragSurface_ && this.isDragSurfaceActive_) {
-    this.workspaceDragSurface_.translateSurface(x,y);
-  } else {
-    var translation = 'translate(' + x + ',' + y + ') ' +
-        'scale(' + this.scale + ')';
-    this.svgBlockCanvas_.setAttribute('transform', translation);
-    this.svgBubbleCanvas_.setAttribute('transform', translation);
-  }
-  // Now update the block drag surface if we're using one.
-  if (this.blockDragSurface_) {
-    this.blockDragSurface_.translateAndScaleGroup(x, y, this.scale);
-  }
-  // And update the grid if we're using one.
-  if (this.grid_) {
-    this.grid_.moveTo(x, y);
-  }
-
-  this.maybeFireViewportChangeEvent();
-};
-
-/**
- * Called at the end of a workspace drag to take the contents
- * out of the drag surface and put them back into the workspace SVG.
- * Does nothing if the workspace drag surface is not enabled.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.resetDragSurface = function() {
-  // Don't do anything if we aren't using a drag surface.
-  if (!this.useWorkspaceDragSurface_) {
-    return;
-  }
-
-  this.isDragSurfaceActive_ = false;
-
-  var trans = this.workspaceDragSurface_.getSurfaceTranslation();
-  this.workspaceDragSurface_.clearAndHide(this.svgGroup_);
-  var translation = 'translate(' + trans.x + ',' + trans.y + ') ' +
-      'scale(' + this.scale + ')';
-  this.svgBlockCanvas_.setAttribute('transform', translation);
-  this.svgBubbleCanvas_.setAttribute('transform', translation);
-};
-
-/**
- * Called at the beginning of a workspace drag to move contents of
- * the workspace to the drag surface.
- * Does nothing if the drag surface is not enabled.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.setupDragSurface = function() {
-  // Don't do anything if we aren't using a drag surface.
-  if (!this.useWorkspaceDragSurface_) {
-    return;
-  }
-
-  // This can happen if the user starts a drag, mouses up outside of the
-  // document where the mouseup listener is registered (e.g. outside of an
-  // iframe) and then moves the mouse back in the workspace.  On mobile and ff,
-  // we get the mouseup outside the frame. On chrome and safari desktop we do
-  // not.
-  if (this.isDragSurfaceActive_) {
-    return;
-  }
-
-  this.isDragSurfaceActive_ = true;
-
-  // Figure out where we want to put the canvas back.  The order
-  // in the is important because things are layered.
-  var previousElement =
-    /** @type {Element} */ (this.svgBlockCanvas_.previousSibling);
-  var width = parseInt(this.getParentSvg().getAttribute('width'), 10);
-  var height = parseInt(this.getParentSvg().getAttribute('height'), 10);
-  var coord = Blockly.utils.getRelativeXY(this.getCanvas());
-  this.workspaceDragSurface_.setContentsAndShow(this.getCanvas(),
-      this.getBubbleCanvas(), previousElement, width, height, this.scale);
-  this.workspaceDragSurface_.translateSurface(coord.x, coord.y);
-};
-
-/**
- * @return {Blockly.BlockDragSurfaceSvg} This workspace's block drag surface,
- *     if one is in use.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.getBlockDragSurface = function() {
-  return this.blockDragSurface_;
-};
-
-/**
- * Returns the horizontal offset of the workspace.
- * Intended for LTR/RTL compatibility in XML.
- * @return {number} Width.
- */
-Blockly.WorkspaceSvg.prototype.getWidth = function() {
-  var metrics = this.getMetrics();
-  return metrics ? metrics.viewWidth / this.scale : 0;
-};
-
-/**
- * Toggles the visibility of the workspace.
- * Currently only intended for main workspace.
- * @param {boolean} isVisible True if workspace should be visible.
- */
-Blockly.WorkspaceSvg.prototype.setVisible = function(isVisible) {
-  this.isVisible_ = isVisible;
-  if (!this.svgGroup_) {
-    return;
-  }
-
-  // Tell the scrollbar whether its container is visible so it can
-  // tell when to hide itself.
-  if (this.scrollbar) {
-    this.scrollbar.setContainerVisible(isVisible);
-  }
-
-  // Tell the flyout whether its container is visible so it can
-  // tell when to hide itself.
-  if (this.getFlyout()) {
-    this.getFlyout().setContainerVisible(isVisible);
-  }
-
-  this.getParentSvg().style.display = isVisible ? 'block' : 'none';
-  if (this.toolbox_) {
-    // Currently does not support toolboxes in mutators.
-    this.toolbox_.setVisible(isVisible);
-  }
-  if (isVisible) {
-    var blocks = this.getAllBlocks(false);
-    // Tell each block on the workspace to mark its fields as dirty.
-    for (var i = blocks.length - 1; i >= 0; i--) {
-      blocks[i].markDirty();
-    }
-
-    this.render();
-    if (this.toolbox_) {
-      this.toolbox_.position();
-    }
-  } else {
-    Blockly.hideChaff(true);
-  }
-};
-
-/**
- * Render all blocks in workspace.
- */
-Blockly.WorkspaceSvg.prototype.render = function() {
-  // Generate list of all blocks.
-  var blocks = this.getAllBlocks(false);
-  // Render each block.
-  for (var i = blocks.length - 1; i >= 0; i--) {
-    blocks[i].render(false);
-  }
-
-  if (this.currentGesture_) {
-    var imList = this.currentGesture_.getInsertionMarkers();
-    for (var i = 0; i < imList.length; i++) {
-      imList[i].render(false);
-    }
-  }
-
-  this.markerManager_.updateMarkers();
-};
-
-/**
- * Highlight or unhighlight a block in the workspace.  Block highlighting is
- * often used to visually mark blocks currently being executed.
- * @param {?string} id ID of block to highlight/unhighlight,
- *   or null for no block (used to unhighlight all blocks).
- * @param {boolean=} opt_state If undefined, highlight specified block and
- * automatically unhighlight all others.  If true or false, manually
- * highlight/unhighlight the specified block.
- */
-Blockly.WorkspaceSvg.prototype.highlightBlock = function(id, opt_state) {
-  if (opt_state === undefined) {
-    // Unhighlight all blocks.
-    for (var i = 0, block; (block = this.highlightedBlocks_[i]); i++) {
-      block.setHighlighted(false);
-    }
-    this.highlightedBlocks_.length = 0;
-  }
-  // Highlight/unhighlight the specified block.
-  var block = id ? this.getBlockById(id) : null;
-  if (block) {
-    var state = (opt_state === undefined) || opt_state;
-    // Using Set here would be great, but at the cost of IE10 support.
-    if (!state) {
-      Blockly.utils.arrayRemove(this.highlightedBlocks_, block);
-    } else if (this.highlightedBlocks_.indexOf(block) == -1) {
-      this.highlightedBlocks_.push(block);
-    }
-    block.setHighlighted(state);
-  }
-};
-
-/**
- * Paste the provided block onto the workspace.
- * @param {!Element|!DocumentFragment} xmlBlock XML block element or an empty
- *     DocumentFragment if the block was an insertion marker.
- */
-Blockly.WorkspaceSvg.prototype.paste = function(xmlBlock) {
-  if (!this.rendered || !xmlBlock.tagName || xmlBlock.getElementsByTagName('block').length >=
-      this.remainingCapacity()) {
-    return;
-  }
-  // The check above for tagName rules out the possibility of this being a DocumentFragment.
-  xmlBlock = /** @type {!Element} */ (xmlBlock);
-  if (this.currentGesture_) {
-    this.currentGesture_.cancel();  // Dragging while pasting?  No.
-  }
-  if (xmlBlock.tagName.toLowerCase() == 'comment') {
-    this.pasteWorkspaceComment_(xmlBlock);
-  } else {
-    this.pasteBlock_(xmlBlock);
-  }
-};
-
-/**
- * Paste the provided block onto the workspace.
- * @param {!Element} xmlBlock XML block element.
- * @private
- */
-Blockly.WorkspaceSvg.prototype.pasteBlock_ = function(xmlBlock) {
-  Blockly.Events.disable();
-  try {
-    var block = Blockly.Xml.domToBlock(xmlBlock, this);
-
-    // Handle paste for keyboard navigation
-    var markedNode = this.getMarker(Blockly.navigation.MARKER_NAME).getCurNode();
-    if (this.keyboardAccessibilityMode && markedNode &&
-        markedNode.isConnection()) {
-      var markedLocation =
-        /** @type {!Blockly.RenderedConnection} */ (markedNode.getLocation());
-      Blockly.navigation.insertBlock(/** @type {!Blockly.BlockSvg} */ (block),
-          markedLocation);
-      return;
-    }
-
-    // Move the duplicate to original position.
-    var blockX = parseInt(xmlBlock.getAttribute('x'), 10);
-    var blockY = parseInt(xmlBlock.getAttribute('y'), 10);
-    if (!isNaN(blockX) && !isNaN(blockY)) {
-      if (this.RTL) {
-        blockX = -blockX;
-      }
-      // Offset block until not clobbering another block and not in connection
-      // distance with neighbouring blocks.
-      do {
-        var collide = false;
-        var allBlocks = this.getAllBlocks(false);
-        for (var i = 0, otherBlock; (otherBlock = allBlocks[i]); i++) {
-          var otherXY = otherBlock.getRelativeToSurfaceXY();
-          if (Math.abs(blockX - otherXY.x) <= 1 &&
-              Math.abs(blockY - otherXY.y) <= 1) {
-            collide = true;
-            break;
-          }
-        }
-        if (!collide) {
-          // Check for blocks in snap range to any of its connections.
-          var connections = block.getConnections_(false);
-          for (var i = 0, connection; (connection = connections[i]); i++) {
-            var neighbour = connection.closest(Blockly.SNAP_RADIUS,
-                new Blockly.utils.Coordinate(blockX, blockY));
-            if (neighbour.connection) {
-              collide = true;
-              break;
-            }
-          }
-        }
-        if (collide) {
-          if (this.RTL) {
-            blockX -= Blockly.SNAP_RADIUS;
-          } else {
-            blockX += Blockly.SNAP_RADIUS;
-          }
-          blockY += Blockly.SNAP_RADIUS * 2;
-        }
-      } while (collide);
-      block.moveBy(blockX, blockY);
-    }
-  } finally {
-    Blockly.Events.enable();
-  }
-  if (Blockly.Events.isEnabled() && !block.isShadow()) {
-    Blockly.Events.fire(new Blockly.Events.BlockCreate(block));
-  }
-  block.select();
-};
-
-/**
- * Paste the provided comment onto the workspace.
- * @param {!Element} xmlComment XML workspace comment element.
- * @private
- * @suppress {checkTypes} Suppress checks while workspace comments are not
- *     bundled in.
- */
-Blockly.WorkspaceSvg.prototype.pasteWorkspaceComment_ = function(xmlComment) {
-  Blockly.Events.disable();
-  try {
-    var comment = Blockly.WorkspaceCommentSvg.fromXml(xmlComment, this);
-    // Move the duplicate to original position.
-    var commentX = parseInt(xmlComment.getAttribute('x'), 10);
-    var commentY = parseInt(xmlComment.getAttribute('y'), 10);
-    if (!isNaN(commentX) && !isNaN(commentY)) {
-      if (this.RTL) {
-        commentX = -commentX;
-      }
-      // Offset workspace comment.
-      // TODO (#1719): Properly offset comment such that it's not interfering
-      // with any blocks.
-      commentX += 50;
-      commentY += 50;
-      comment.moveBy(commentX, commentY);
-    }
-  } finally {
-    Blockly.Events.enable();
-  }
-  if (Blockly.Events.isEnabled()) {
-    // TODO: Fire a Workspace Comment Create event.
-  }
-  comment.select();
-};
-
-/**
- * Refresh the toolbox unless there's a drag in progress.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.refreshToolboxSelection = function() {
-  var ws = this.isFlyout ? this.targetWorkspace : this;
-  if (ws && !ws.currentGesture_ && ws.toolbox_ && ws.toolbox_.getFlyout()) {
-    ws.toolbox_.refreshSelection();
-  }
-};
-
-/**
- * Rename a variable by updating its name in the variable map.  Update the
- *     flyout to show the renamed variable immediately.
- * @param {string} id ID of the variable to rename.
- * @param {string} newName New variable name.
- */
-Blockly.WorkspaceSvg.prototype.renameVariableById = function(id, newName) {
-  Blockly.WorkspaceSvg.superClass_.renameVariableById.call(this, id, newName);
-  this.refreshToolboxSelection();
-};
-
-/**
- * Delete a variable by the passed in ID.   Update the flyout to show
- *     immediately that the variable is deleted.
- * @param {string} id ID of variable to delete.
- */
-Blockly.WorkspaceSvg.prototype.deleteVariableById = function(id) {
-  Blockly.WorkspaceSvg.superClass_.deleteVariableById.call(this, id);
-  this.refreshToolboxSelection();
-};
-
-/**
- * Create a new variable with the given name.  Update the flyout to show the
- *     new variable immediately.
- * @param {string} name The new variable's name.
- * @param {?string=} opt_type The type of the variable like 'int' or 'string'.
- *     Does not need to be unique. Field_variable can filter variables based on
- *     their type. This will default to '' which is a specific type.
- * @param {?string=} opt_id The unique ID of the variable. This will default to
- *     a UUID.
- * @return {!Blockly.VariableModel} The newly created variable.
- */
-Blockly.WorkspaceSvg.prototype.createVariable = function(name,
-    opt_type, opt_id) {
-  var newVar = Blockly.WorkspaceSvg.superClass_.createVariable.call(
-      this, name, opt_type, opt_id);
-  this.refreshToolboxSelection();
-  return newVar;
-};
-
-/**
- * Make a list of all the delete areas for this workspace.
- */
-Blockly.WorkspaceSvg.prototype.recordDeleteAreas = function() {
-  if (this.trashcan && this.svgGroup_.parentNode) {
-    this.deleteAreaTrash_ = this.trashcan.getClientRect();
-  } else {
-    this.deleteAreaTrash_ = null;
-  }
-  if (this.flyout_) {
-    this.deleteAreaToolbox_ = this.flyout_.getClientRect();
-  } else if (this.toolbox_ && typeof this.toolbox_.getClientRect == 'function') {
-    this.deleteAreaToolbox_ = this.toolbox_.getClientRect();
-  } else {
-    this.deleteAreaToolbox_ = null;
-  }
-};
-
-/**
- * Is the mouse event over a delete area (toolbox or non-closing flyout)?
- * @param {!Event} e Mouse move event.
- * @return {?number} Null if not over a delete area, or an enum representing
- *     which delete area the event is over.
- */
-Blockly.WorkspaceSvg.prototype.isDeleteArea = function(e) {
-  if (this.deleteAreaTrash_ &&
-      this.deleteAreaTrash_.contains(e.clientX, e.clientY)) {
-    return Blockly.DELETE_AREA_TRASH;
-  }
-  if (this.deleteAreaToolbox_ &&
-      this.deleteAreaToolbox_.contains(e.clientX, e.clientY)) {
-    return Blockly.DELETE_AREA_TOOLBOX;
-  }
-  return Blockly.DELETE_AREA_NONE;
-};
-
-/**
- * Handle a mouse-down on SVG drawing surface.
- * @param {!Event} e Mouse down event.
- * @private
- */
-Blockly.WorkspaceSvg.prototype.onMouseDown_ = function(e) {
-  var gesture = this.getGesture(e);
-  if (gesture) {
-    gesture.handleWsStart(e, this);
-  }
-};
-
-/**
- * Start tracking a drag of an object on this workspace.
- * @param {!Event} e Mouse down event.
- * @param {!Blockly.utils.Coordinate} xy Starting location of object.
- */
-Blockly.WorkspaceSvg.prototype.startDrag = function(e, xy) {
-  // Record the starting offset between the bubble's location and the mouse.
-  var point = Blockly.utils.mouseToSvg(e, this.getParentSvg(),
-      this.getInverseScreenCTM());
-  // Fix scale of mouse event.
-  point.x /= this.scale;
-  point.y /= this.scale;
-  this.dragDeltaXY_ = Blockly.utils.Coordinate.difference(xy, point);
-};
-
-/**
- * Track a drag of an object on this workspace.
- * @param {!Event} e Mouse move event.
- * @return {!Blockly.utils.Coordinate} New location of object.
- */
-Blockly.WorkspaceSvg.prototype.moveDrag = function(e) {
-  var point = Blockly.utils.mouseToSvg(e, this.getParentSvg(),
-      this.getInverseScreenCTM());
-  // Fix scale of mouse event.
-  point.x /= this.scale;
-  point.y /= this.scale;
-  return Blockly.utils.Coordinate.sum(
-      /** @type {!Blockly.utils.Coordinate} */ (this.dragDeltaXY_), point);
-};
-
-/**
- * Is the user currently dragging a block or scrolling the flyout/workspace?
- * @return {boolean} True if currently dragging or scrolling.
- */
-Blockly.WorkspaceSvg.prototype.isDragging = function() {
-  return this.currentGesture_ != null && this.currentGesture_.isDragging();
-};
-
-/**
- * Is this workspace draggable?
- * @return {boolean} True if this workspace may be dragged.
- */
-Blockly.WorkspaceSvg.prototype.isDraggable = function() {
-  return this.options.moveOptions && this.options.moveOptions.drag;
-};
-
-/**
- * Should the workspace have bounded content? Used to tell if the
- * workspace's content should be sized so that it can move (bounded) or not
- * (exact sizing).
- * @return {boolean} True if the workspace should be bounded, false otherwise.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.isContentBounded = function() {
-  return (this.options.moveOptions && this.options.moveOptions.scrollbars) ||
-      (this.options.moveOptions && this.options.moveOptions.wheel) ||
-      (this.options.moveOptions && this.options.moveOptions.drag) ||
-      (this.options.zoomOptions && this.options.zoomOptions.controls) ||
-      (this.options.zoomOptions && this.options.zoomOptions.wheel) ||
-      (this.options.zoomOptions && this.options.zoomOptions.pinch);
-};
-
-/**
- * Is this workspace movable?
- *
- * This means the user can reposition the X Y coordinates of the workspace
- * through input. This can be through scrollbars, scroll wheel, dragging, or
- * through zooming with the scroll wheel or pinch (since the zoom is centered on
- * the mouse position). This does not include zooming with the zoom controls
- * since the X Y coordinates are decided programmatically.
- * @return {boolean} True if the workspace is movable, false otherwise.
- */
-Blockly.WorkspaceSvg.prototype.isMovable = function() {
-  return (this.options.moveOptions && this.options.moveOptions.scrollbars) ||
-      (this.options.moveOptions && this.options.moveOptions.wheel) ||
-      (this.options.moveOptions && this.options.moveOptions.drag) ||
-      (this.options.zoomOptions && this.options.zoomOptions.wheel) ||
-      (this.options.zoomOptions && this.options.zoomOptions.pinch);
-};
-
-/**
- * Handle a mouse-wheel on SVG drawing surface.
- * @param {!Event} e Mouse wheel event.
- * @private
- */
-Blockly.WorkspaceSvg.prototype.onMouseWheel_ = function(e) {
-  // Don't scroll or zoom anything if drag is in progress.
-  if (Blockly.Gesture.inProgress()) {
-    e.preventDefault();
-    e.stopPropagation();
-    return;
-  }
-  var canWheelZoom = this.options.zoomOptions && this.options.zoomOptions.wheel;
-  var canWheelMove = this.options.moveOptions && this.options.moveOptions.wheel;
-  if (!canWheelZoom && !canWheelMove) {
-    return;
-  }
-
-  var scrollDelta = Blockly.utils.getScrollDeltaPixels(e);
-  if (canWheelZoom && (e.ctrlKey || !canWheelMove)) {
-    // Zoom.
-    // The vertical scroll distance that corresponds to a click of a zoom
-    // button.
-    var PIXELS_PER_ZOOM_STEP = 50;
-    var delta = -scrollDelta.y / PIXELS_PER_ZOOM_STEP;
-    var position = Blockly.utils.mouseToSvg(e, this.getParentSvg(),
-        this.getInverseScreenCTM());
-    this.zoom(position.x, position.y, delta);
-  } else {
-    // Scroll.
-    var x = this.scrollX - scrollDelta.x;
-    var y = this.scrollY - scrollDelta.y;
-
-    if (e.shiftKey && !scrollDelta.x) {
-      // Scroll horizontally (based on vertical scroll delta).
-      // This is needed as for some browser/system combinations which do not
-      // set deltaX.
-      x = this.scrollX - scrollDelta.y;
-      y = this.scrollY; // Don't scroll vertically
-    }
-    this.scroll(x, y);
-  }
-  e.preventDefault();
-};
-
-/**
- * Calculate the bounding box for the blocks on the workspace.
- * Coordinate system: workspace coordinates.
- *
- * @return {!Blockly.utils.Rect} Contains the position and size of the
- *   bounding box containing the blocks on the workspace.
- */
-Blockly.WorkspaceSvg.prototype.getBlocksBoundingBox = function() {
-  var topElements = this.getTopBoundedElements();
-  // There are no blocks, return empty rectangle.
-  if (!topElements.length) {
-    return new Blockly.utils.Rect(0, 0, 0, 0);
-  }
-
-  // Initialize boundary using the first block.
-  var boundary = topElements[0].getBoundingRectangle();
-
-  // Start at 1 since the 0th block was used for initialization.
-  for (var i = 1; i < topElements.length; i++) {
-    var blockBoundary = topElements[i].getBoundingRectangle();
-    if (blockBoundary.top < boundary.top) {
-      boundary.top = blockBoundary.top;
-    }
-    if (blockBoundary.bottom > boundary.bottom) {
-      boundary.bottom = blockBoundary.bottom;
-    }
-    if (blockBoundary.left < boundary.left) {
-      boundary.left = blockBoundary.left;
-    }
-    if (blockBoundary.right > boundary.right) {
-      boundary.right = blockBoundary.right;
-    }
-  }
-  return boundary;
-};
-
-/**
- * Clean up the workspace by ordering all the blocks in a column.
- */
-Blockly.WorkspaceSvg.prototype.cleanUp = function() {
-  this.setResizesEnabled(false);
-  Blockly.Events.setGroup(true);
-  var topBlocks = this.getTopBlocks(true);
-  var cursorY = 0;
-  for (var i = 0, block; (block = topBlocks[i]); i++) {
-    if (!block.isMovable()) {
-      continue;
-    }
-    var xy = block.getRelativeToSurfaceXY();
-    block.moveBy(-xy.x, cursorY - xy.y);
-    block.snapToGrid();
-    cursorY = block.getRelativeToSurfaceXY().y +
-        block.getHeightWidth().height +
-        this.renderer_.getConstants().MIN_BLOCK_HEIGHT;
-  }
-  Blockly.Events.setGroup(false);
-  this.setResizesEnabled(true);
-};
-
-/**
- * Show the context menu for the workspace.
- * @param {!Event} e Mouse event.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.showContextMenu = function(e) {
-  if (this.options.readOnly || this.isFlyout) {
-    return;
-  }
-  var menuOptions = Blockly.ContextMenuRegistry.registry.getContextMenuOptions(
-      Blockly.ContextMenuRegistry.ScopeType.WORKSPACE, {workspace: this});
-
-  // Allow the developer to add or modify menuOptions.
-  if (this.configureContextMenu) {
-    this.configureContextMenu(menuOptions, e);
-  }
-
-  Blockly.ContextMenu.show(e, menuOptions, this.RTL);
-};
-
-/**
- * Modify the block tree on the existing toolbox.
- * @param {?Blockly.utils.toolbox.ToolboxDefinition} toolboxDef
- *    DOM tree of toolbox contents, string of toolbox contents, or JSON
- *    representing toolbox definition.
- */
-Blockly.WorkspaceSvg.prototype.updateToolbox = function(toolboxDef) {
-  var parsedToolboxDef = Blockly.utils.toolbox.convertToolboxDefToJson(toolboxDef);
-
-  if (!parsedToolboxDef) {
-    if (this.options.languageTree) {
-      throw Error('Can\'t nullify an existing toolbox.');
-    }
-    return;  // No change (null to null).
-  }
-  if (!this.options.languageTree) {
-    throw Error('Existing toolbox is null.  Can\'t create new toolbox.');
-  }
-
-  if (Blockly.utils.toolbox.hasCategories(parsedToolboxDef)) {
-    if (!this.toolbox_) {
-      throw Error('Existing toolbox has no categories.  Can\'t change mode.');
-    }
-    this.options.languageTree = parsedToolboxDef;
-    this.toolbox_.render(parsedToolboxDef);
-  } else {
-    if (!this.flyout_) {
-      throw Error('Existing toolbox has categories.  Can\'t change mode.');
-    }
-    this.options.languageTree = parsedToolboxDef;
-    this.flyout_.show(parsedToolboxDef);
-  }
-};
-
-/**
- * Mark this workspace as the currently focused main workspace.
- */
-Blockly.WorkspaceSvg.prototype.markFocused = function() {
-  if (this.options.parentWorkspace) {
-    this.options.parentWorkspace.markFocused();
-  } else {
-    Blockly.mainWorkspace = this;
-    // We call e.preventDefault in many event handlers which means we
-    // need to explicitly grab focus (e.g from a textarea) because
-    // the browser will not do it for us.  How to do this is browser dependent.
-    this.setBrowserFocus();
-  }
-};
-
-/**
- * Set the workspace to have focus in the browser.
- * @private
- */
-Blockly.WorkspaceSvg.prototype.setBrowserFocus = function() {
-  // Blur whatever was focused since explicitly grabbing focus below does not
-  // work in Edge.
-  if (document.activeElement) {
-    document.activeElement.blur();
-  }
-  try {
-    // Focus the workspace SVG - this is for Chrome and Firefox.
-    this.getParentSvg().focus({preventScroll:true});
-  } catch (e) {
-    // IE and Edge do not support focus on SVG elements. When that fails
-    // above, get the injectionDiv (the workspace's parent) and focus that
-    // instead.  This doesn't work in Chrome.
-    try {
-      // In IE11, use setActive (which is IE only) so the page doesn't scroll
-      // to the workspace gaining focus.
-      this.getParentSvg().parentNode.setActive();
-    } catch (e) {
-      // setActive support was discontinued in Edge so when that fails, call
-      // focus instead.
-      this.getParentSvg().parentNode.focus({preventScroll:true});
-    }
-  }
-};
-
-/**
- * Zooms the workspace in or out relative to/centered on the given (x, y)
- * coordinate.
- * @param {number} x X coordinate of center, in pixel units relative to the
- *     top-left corner of the parentSVG.
- * @param {number} y Y coordinate of center, in pixel units relative to the
- *     top-left corner of the parentSVG.
- * @param {number} amount Amount of zooming. The formula for the new scale
- *     is newScale = currentScale * (scaleSpeed^amount). scaleSpeed is set in
- *     the workspace options. Negative amount values zoom out, and positive
- *     amount values zoom in.
- */
-Blockly.WorkspaceSvg.prototype.zoom = function(x, y, amount) {
-  // Scale factor.
-  var speed = this.options.zoomOptions.scaleSpeed;
-  var scaleChange = Math.pow(speed, amount);
-  var newScale = this.scale * scaleChange;
-  if (this.scale == newScale) {
-    return;  // No change in zoom.
-  }
-
-  // Clamp scale within valid range.
-  if (newScale > this.options.zoomOptions.maxScale) {
-    scaleChange = this.options.zoomOptions.maxScale / this.scale;
-  } else if (newScale < this.options.zoomOptions.minScale) {
-    scaleChange = this.options.zoomOptions.minScale / this.scale;
-  }
-
-  // Transform the x/y coordinates from the parentSVG's space into the
-  // canvas' space, so that they are in workspace units relative to the top
-  // left of the visible portion of the workspace.
-  var matrix = this.getCanvas().getCTM();
-  var center = this.getParentSvg().createSVGPoint();
-  center.x = x;
-  center.y = y;
-  center = center.matrixTransform(matrix.inverse());
-  x = center.x;
-  y = center.y;
-
-  // Find the new scrollX/scrollY so that the center remains in the same
-  // position (relative to the center) after we zoom.
-  // newScale and matrix.a should be identical (within a rounding error).
-  matrix = matrix.translate(x * (1 - scaleChange), y * (1 - scaleChange))
-      .scale(scaleChange);
-  // scrollX and scrollY are in pixels.
-  // The scrollX and scrollY still need to have absoluteLeft and absoluteTop
-  // subtracted from them, but we'll leave that for setScale so that they're
-  // correctly updated for the new flyout size if we have a simple toolbox.
-  this.scrollX = matrix.e;
-  this.scrollY = matrix.f;
-  this.setScale(newScale);
-};
-
-/**
- * Zooming the blocks centered in the center of view with zooming in or out.
- * @param {number} type Type of zooming (-1 zooming out and 1 zooming in).
- */
-Blockly.WorkspaceSvg.prototype.zoomCenter = function(type) {
-  var metrics = this.getMetrics();
-  if (this.flyout_) {
-    // If you want blocks in the center of the view (visible portion of the
-    // workspace) to stay centered when the size of the view decreases (i.e.
-    // when the size of the flyout increases) you need the center of the
-    // *blockly div* to stay in the same pixel-position.
-    // Note: This only works because of how scrollCenter positions blocks.
-    var x = metrics.svgWidth ? metrics.svgWidth / 2 : 0;
-    var y = metrics.svgHeight ? metrics.svgHeight / 2 : 0;
-  } else {
-    var x = (metrics.viewWidth / 2) + metrics.absoluteLeft;
-    var y = (metrics.viewHeight / 2) + metrics.absoluteTop;
-  }
-  this.zoom(x, y, type);
-};
-
-/**
- * Zoom the blocks to fit in the workspace if possible.
- */
-Blockly.WorkspaceSvg.prototype.zoomToFit = function() {
-  if (!this.isMovable()) {
-    console.warn('Tried to move a non-movable workspace. This could result' +
-        ' in blocks becoming inaccessible.');
-    return;
-  }
-
-  var metrics = this.getMetrics();
-  var workspaceWidth = metrics.viewWidth;
-  var workspaceHeight = metrics.viewHeight;
-  var blocksBox = this.getBlocksBoundingBox();
-  var blocksWidth = blocksBox.right - blocksBox.left;
-  var blocksHeight = blocksBox.bottom - blocksBox.top;
-  if (!blocksWidth) {
-    return;  // Prevents zooming to infinity.
-  }
-  if (this.flyout_) {
-    // We have to add the flyout size to both the workspace size and the
-    // block size because the blocks we want to resize include the blocks in
-    // the flyout, and the area we want to fit them includes the portion of
-    // the workspace that is behind the flyout.
-    if (this.horizontalLayout) {
-      workspaceHeight += this.flyout_.getHeight();
-      // Convert from pixels to workspace coordinates.
-      blocksHeight += this.flyout_.getHeight() / this.scale;
-    } else {
-      workspaceWidth += this.flyout_.getWidth();
-      // Convert from pixels to workspace coordinates.
-      blocksWidth += this.flyout_.getWidth() / this.scale;
-    }
-  }
-
-  // Scale Units: (pixels / workspaceUnit)
-  var ratioX = workspaceWidth / blocksWidth;
-  var ratioY = workspaceHeight / blocksHeight;
-  Blockly.Events.disable();
-  try {
-    this.setScale(Math.min(ratioX, ratioY));
-    this.scrollCenter();
-  } finally {
-    Blockly.Events.enable();
-  }
-  this.maybeFireViewportChangeEvent();
-};
-
-/**
- * Add a transition class to the block and bubble canvas, to animate any
- * transform changes.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.beginCanvasTransition = function() {
-  Blockly.utils.dom.addClass(
-      /** @type {!SVGElement} */ (this.svgBlockCanvas_),
-      'blocklyCanvasTransitioning');
-  Blockly.utils.dom.addClass(
-      /** @type {!SVGElement} */ (this.svgBubbleCanvas_),
-      'blocklyCanvasTransitioning');
-};
-
-/**
- * Remove transition class from the block and bubble canvas.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.endCanvasTransition = function() {
-  Blockly.utils.dom.removeClass(
-      /** @type {!SVGElement} */ (this.svgBlockCanvas_),
-      'blocklyCanvasTransitioning');
-  Blockly.utils.dom.removeClass(
-      /** @type {!SVGElement} */ (this.svgBubbleCanvas_),
-      'blocklyCanvasTransitioning');
-};
-
-/**
- * Center the workspace.
- */
-Blockly.WorkspaceSvg.prototype.scrollCenter = function() {
-  if (!this.isMovable()) {
-    console.warn('Tried to move a non-movable workspace. This could result' +
-        ' in blocks becoming inaccessible.');
-    return;
-  }
-
-  var metrics = this.getMetrics();
-  var x = (metrics.contentWidth - metrics.viewWidth) / 2;
-  var y = (metrics.contentHeight - metrics.viewHeight) / 2;
-
-  // Convert from workspace directions to canvas directions.
-  x = -x - metrics.contentLeft;
-  y = -y - metrics.contentTop;
-  this.scroll(x, y);
-};
-
-/**
- * Scroll the workspace to center on the given block.
- * @param {?string} id ID of block center on.
- * @public
- */
-Blockly.WorkspaceSvg.prototype.centerOnBlock = function(id) {
-  if (!this.isMovable()) {
-    console.warn('Tried to move a non-movable workspace. This could result' +
-        ' in blocks becoming inaccessible.');
-    return;
-  }
-
-  var block = id ? this.getBlockById(id) : null;
-  if (!block) {
-    return;
-  }
-
-  // XY is in workspace coordinates.
-  var xy = block.getRelativeToSurfaceXY();
-  // Height/width is in workspace units.
-  var heightWidth = block.getHeightWidth();
-
-  // Find the enter of the block in workspace units.
-  var blockCenterY = xy.y + heightWidth.height / 2;
-
-  // In RTL the block's position is the top right of the block, not top left.
-  var multiplier = this.RTL ? -1 : 1;
-  var blockCenterX = xy.x + (multiplier * heightWidth.width / 2);
-
-  // Workspace scale, used to convert from workspace coordinates to pixels.
-  var scale = this.scale;
-
-  // Center of block in pixels, relative to workspace origin (center 0,0).
-  // Scrolling to here would put the block in the top-left corner of the
-  // visible workspace.
-  var pixelX = blockCenterX * scale;
-  var pixelY = blockCenterY * scale;
-
-  var metrics = this.getMetrics();
-
-  // viewHeight and viewWidth are in pixels.
-  var halfViewWidth = metrics.viewWidth / 2;
-  var halfViewHeight = metrics.viewHeight / 2;
-
-  // Put the block in the center of the visible workspace instead.
-  var scrollToCenterX = pixelX - halfViewWidth;
-  var scrollToCenterY = pixelY - halfViewHeight;
-
-  // Convert from workspace directions to canvas directions.
-  var x = -scrollToCenterX;
-  var y = -scrollToCenterY;
-
-  this.scroll(x, y);
-};
-
-/**
- * Set the workspace's zoom factor.
- * @param {number} newScale Zoom factor. Units: (pixels / workspaceUnit).
- */
-Blockly.WorkspaceSvg.prototype.setScale = function(newScale) {
-  if (this.options.zoomOptions.maxScale &&
-      newScale > this.options.zoomOptions.maxScale) {
-    newScale = this.options.zoomOptions.maxScale;
-  } else if (this.options.zoomOptions.minScale &&
-      newScale < this.options.zoomOptions.minScale) {
-    newScale = this.options.zoomOptions.minScale;
-  }
-  this.scale = newScale;
-
-  Blockly.hideChaff(false);
-  if (this.flyout_) {
-    // No toolbox, resize flyout.
-    this.flyout_.reflow();
-    this.recordDeleteAreas();
-  }
-  if (this.grid_) {
-    this.grid_.update(this.scale);
-  }
-
-  // We call scroll instead of scrollbar.resize() so that we can center the
-  // zoom correctly without scrollbars, but scroll does not resize the
-  // scrollbars so we have to call resizeView/resizeContent as well.
-  var metrics = this.getMetrics();
-  // The scroll values and the view values are additive inverses of
-  // each other, so when we subtract from one we have to add to the other.
-  this.scrollX -= metrics.absoluteLeft;
-  this.scrollY -= metrics.absoluteTop;
-  metrics.viewLeft += metrics.absoluteLeft;
-  metrics.viewTop += metrics.absoluteTop;
-
-  this.scroll(this.scrollX, this.scrollY);
-  if (this.scrollbar) {
-    if (this.flyout_) {
-      this.scrollbar.hScroll.resizeViewHorizontal(metrics);
-      this.scrollbar.vScroll.resizeViewVertical(metrics);
-    } else {
-      this.scrollbar.hScroll.resizeContentHorizontal(metrics);
-      this.scrollbar.vScroll.resizeContentVertical(metrics);
-    }
-  }
-};
-
-
-/**
- * Get the workspace's zoom factor.  If the workspace has a parent, we call into
- * the parent to get the workspace scale.
- * @return {number} The workspace zoom factor. Units: (pixels / workspaceUnit).
- */
-Blockly.WorkspaceSvg.prototype.getScale = function() {
-  if (this.options.parentWorkspace) {
-    return this.options.parentWorkspace.getScale();
-  }
-  return this.scale;
-};
-
-/**
- * Scroll the workspace to a specified offset (in pixels), keeping in the
- * workspace bounds. See comment on workspaceSvg.scrollX for more detail on
- * the meaning of these values.
- * @param {number} x Target X to scroll to.
- * @param {number} y Target Y to scroll to.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.scroll = function(x, y) {
-  Blockly.hideChaff(/* opt_allowToolbox */ true);
-
-  // Keep scrolling within the bounds of the content.
-  var metrics = this.getMetrics();
-  // This is the offset of the top-left corner of the view from the
-  // workspace origin when the view is "seeing" the bottom-right corner of
-  // the content.
-  var maxOffsetOfViewFromOriginX = metrics.contentWidth + metrics.contentLeft -
-      metrics.viewWidth;
-  var maxOffsetOfViewFromOriginY = metrics.contentHeight + metrics.contentTop -
-      metrics.viewHeight;
-  // Canvas coordinates (aka scroll coordinates) have inverse directionality
-  // to workspace coordinates so we have to inverse them.
-  x = Math.min(x, -metrics.contentLeft);
-  y = Math.min(y, -metrics.contentTop);
-  x = Math.max(x, -maxOffsetOfViewFromOriginX);
-  y = Math.max(y, -maxOffsetOfViewFromOriginY);
-
-  this.scrollX = x;
-  this.scrollY = y;
-  if (this.scrollbar) {
-    // The content position (displacement from the content's top-left to the
-    // origin) plus the scroll position (displacement from the view's top-left
-    // to the origin) gives us the distance from the view's top-left to the
-    // content's top-left. Then we negate this so we get the displacement from
-    // the content's top-left to the view's top-left, matching the
-    // directionality of the scrollbars.
-
-    this.scrollbar.hScroll.setHandlePosition(-(x + metrics.contentLeft) *
-        this.scrollbar.hScroll.ratio);
-    this.scrollbar.vScroll.setHandlePosition(-(y + metrics.contentTop) *
-        this.scrollbar.vScroll.ratio);
-  }
-  // We have to shift the translation so that when the canvas is at 0, 0 the
-  // workspace origin is not underneath the toolbox.
-  x += metrics.absoluteLeft;
-  y += metrics.absoluteTop;
-  this.translate(x, y);
-};
-
-/**
- * Get the dimensions of the given workspace component, in pixels.
- * @param {Blockly.IToolbox|Blockly.IFlyout} elem The element to get the
- *     dimensions of, or null.  It should be a toolbox or flyout, and should
- *     implement getWidth() and getHeight().
- * @return {!Blockly.utils.Size} An object containing width and height
- *     attributes, which will both be zero if elem did not exist.
- * @private
- */
-Blockly.WorkspaceSvg.getDimensionsPx_ = function(elem) {
-  var width = 0;
-  var height = 0;
-  if (elem) {
-    width = elem.getWidth();
-    height = elem.getHeight();
-  }
-  return new Blockly.utils.Size(width, height);
-};
-
-/**
- * Get the content dimensions of the given workspace, taking into account
- * whether or not it is scrollable and what size the workspace div is on screen.
- * @param {!Blockly.WorkspaceSvg} ws The workspace to measure.
- * @param {!Object} svgSize An object containing height and width attributes in
- *     CSS pixels.  Together they specify the size of the visible workspace, not
- *     including areas covered up by the toolbox.
- * @return {!Object} The dimensions of the contents of the given workspace, as
- *     an object containing at least
- *     - height and width in pixels
- *     - left and top in pixels relative to the workspace origin.
- * @private
- */
-Blockly.WorkspaceSvg.getContentDimensions_ = function(ws, svgSize) {
-  if (ws.isContentBounded()) {
-    return Blockly.WorkspaceSvg.getContentDimensionsBounded_(ws, svgSize);
-  } else {
-    return Blockly.WorkspaceSvg.getContentDimensionsExact_(ws);
-  }
-};
-
-/**
- * Get the bounding box for all workspace contents, in pixels.
- * @param {!Blockly.WorkspaceSvg} ws The workspace to inspect.
- * @return {!Object} The dimensions of the contents of the given workspace, as
- *     an object containing
- *     - height and width in pixels
- *     - left, right, top and bottom in pixels relative to the workspace origin.
- * @private
- */
-Blockly.WorkspaceSvg.getContentDimensionsExact_ = function(ws) {
-  // Block bounding box is in workspace coordinates.
-  var blockBox = ws.getBlocksBoundingBox();
-  var scale = ws.scale;
-
-  // Convert to pixels.
-  var top = blockBox.top * scale;
-  var bottom = blockBox.bottom * scale;
-  var left = blockBox.left * scale;
-  var right = blockBox.right * scale;
-
-  return {
-    top: top,
-    bottom: bottom,
-    left: left,
-    right: right,
-    width: right - left,
-    height: bottom - top
-  };
-};
-
-/**
- * Calculate the size of a scrollable workspace, which should include room for a
- * half screen border around the workspace contents.
- * @param {!Blockly.WorkspaceSvg} ws The workspace to measure.
- * @param {!Object} svgSize An object containing height and width attributes in
- *     CSS pixels.  Together they specify the size of the visible workspace, not
- *     including areas covered up by the toolbox.
- * @return {!Object} The dimensions of the contents of the given workspace, as
- *     an object containing
- *     - height and width in pixels
- *     - left and top in pixels relative to the workspace origin.
- * @private
- */
-Blockly.WorkspaceSvg.getContentDimensionsBounded_ = function(ws, svgSize) {
-  var content = Blockly.WorkspaceSvg.getContentDimensionsExact_(ws);
-
-  // View height and width are both in pixels, and are the same as the SVG size.
-  var viewWidth = svgSize.width;
-  var viewHeight = svgSize.height;
-  var halfWidth = viewWidth / 2;
-  var halfHeight = viewHeight / 2;
-
-  // Add a border around the content that is at least half a screen wide.
-  // Ensure border is wide enough that blocks can scroll over entire screen.
-  var left = Math.min(content.left - halfWidth, content.right - viewWidth);
-  var right = Math.max(content.right + halfWidth, content.left + viewWidth);
-
-  var top = Math.min(content.top - halfHeight, content.bottom - viewHeight);
-  var bottom = Math.max(content.bottom + halfHeight, content.top + viewHeight);
-
-  var dimensions = {
-    left: left,
-    top: top,
-    height: bottom - top,
-    width: right - left
-  };
-  return dimensions;
-};
-
-/**
- * Return an object with all the metrics required to size scrollbars for a
- * top level workspace.  The following properties are computed:
- * Coordinate system: pixel coordinates, -left, -up, +right, +down
- * .viewHeight: Height of the visible portion of the workspace.
- * .viewWidth: Width of the visible portion of the workspace.
- * .contentHeight: Height of the content.
- * .contentWidth: Width of the content.
- * .svgHeight: Height of the Blockly div (the view + the toolbox,
- *    simple or otherwise),
- * .svgWidth: Width of the Blockly div (the view + the toolbox,
- *    simple or otherwise),
- * .viewTop: Top-edge of the visible portion of the workspace, relative to
- *     the workspace origin.
- * .viewLeft: Left-edge of the visible portion of the workspace, relative to
- *     the workspace origin.
- * .contentTop: Top-edge of the content, relative to the workspace origin.
- * .contentLeft: Left-edge of the content relative to the workspace origin.
- * .absoluteTop: Top-edge of the visible portion of the workspace, relative
- *     to the blocklyDiv.
- * .absoluteLeft: Left-edge of the visible portion of the workspace, relative
- *     to the blocklyDiv.
- * .toolboxWidth: Width of the toolbox, if it exists.  Otherwise zero.
- * .toolboxHeight: Height of the toolbox, if it exists.  Otherwise zero.
- * .flyoutWidth: Width of the flyout if it is always open.  Otherwise zero.
- * .flyoutHeight: Height of the flyout if it is always open.  Otherwise zero.
- * .toolboxPosition: Top, bottom, left or right. Use TOOLBOX_AT constants to
- *     compare.
- * @return {!Blockly.utils.Metrics} Contains size and position metrics of a top
- *     level workspace.
- * @private
- * @this {Blockly.WorkspaceSvg}
- */
-Blockly.WorkspaceSvg.getTopLevelWorkspaceMetrics_ = function() {
-
-  var toolboxDimensions =
-      Blockly.WorkspaceSvg.getDimensionsPx_(this.toolbox_);
-  var flyoutDimensions =
-      Blockly.WorkspaceSvg.getDimensionsPx_(this.flyout_);
-
-  // Contains height and width in CSS pixels.
-  // svgSize is equivalent to the size of the injectionDiv at this point.
-  var svgSize = Blockly.svgSize(this.getParentSvg());
-  var viewSize = {height: svgSize.height, width: svgSize.width};
-  if (this.toolbox_) {
-    if (this.toolboxPosition == Blockly.TOOLBOX_AT_TOP ||
-        this.toolboxPosition == Blockly.TOOLBOX_AT_BOTTOM) {
-      viewSize.height -= toolboxDimensions.height;
-    } else if (this.toolboxPosition == Blockly.TOOLBOX_AT_LEFT ||
-        this.toolboxPosition == Blockly.TOOLBOX_AT_RIGHT) {
-      viewSize.width -= toolboxDimensions.width;
-    }
-  } else if (this.flyout_) {
-    if (this.toolboxPosition == Blockly.TOOLBOX_AT_TOP ||
-      this.toolboxPosition == Blockly.TOOLBOX_AT_BOTTOM) {
-      viewSize.height -= flyoutDimensions.height;
-    } else if (this.toolboxPosition == Blockly.TOOLBOX_AT_LEFT ||
-      this.toolboxPosition == Blockly.TOOLBOX_AT_RIGHT) {
-      viewSize.width -= flyoutDimensions.width;
-    }
-  }
-
-  // svgSize is now the space taken up by the Blockly workspace, not including
-  // the toolbox.
-  var contentDimensions =
-      Blockly.WorkspaceSvg.getContentDimensions_(this, viewSize);
-
-  var absoluteLeft = 0;
-  if (this.toolbox_ && this.toolboxPosition == Blockly.TOOLBOX_AT_LEFT) {
-    absoluteLeft = toolboxDimensions.width;
-  } else if (this.flyout_ && this.toolboxPosition == Blockly.TOOLBOX_AT_LEFT) {
-    absoluteLeft = flyoutDimensions.width;
-  }
-  var absoluteTop = 0;
-  if (this.toolbox_ && this.toolboxPosition == Blockly.TOOLBOX_AT_TOP) {
-    absoluteTop = toolboxDimensions.height;
-  } else if (this.flyout_ && this.toolboxPosition == Blockly.TOOLBOX_AT_TOP) {
-    absoluteTop = flyoutDimensions.height;
-  }
-
-  var metrics = {
-    contentHeight: contentDimensions.height,
-    contentWidth: contentDimensions.width,
-    contentTop: contentDimensions.top,
-    contentLeft: contentDimensions.left,
-
-    viewHeight: viewSize.height,
-    viewWidth: viewSize.width,
-    viewTop: -this.scrollY,
-    viewLeft: -this.scrollX,
-
-    absoluteTop: absoluteTop,
-    absoluteLeft: absoluteLeft,
-
-    svgHeight: svgSize.height,
-    svgWidth: svgSize.width,
-
-    toolboxWidth: toolboxDimensions.width,
-    toolboxHeight: toolboxDimensions.height,
-    toolboxPosition: this.toolboxPosition,
-
-    flyoutWidth: flyoutDimensions.width,
-    flyoutHeight: flyoutDimensions.height
-  };
-  return metrics;
-};
-
-/**
- * Sets the X/Y translations of a top level workspace.
- * @param {!Object} xyRatio Contains an x and/or y property which is a float
- *     between 0 and 1 specifying the degree of scrolling.
- * @private
- * @this {Blockly.WorkspaceSvg}
- */
-Blockly.WorkspaceSvg.setTopLevelWorkspaceMetrics_ = function(xyRatio) {
-  var metrics = this.getMetrics();
-  if (typeof xyRatio.x == 'number') {
-    this.scrollX = -metrics.contentWidth * xyRatio.x - metrics.contentLeft;
-  }
-  if (typeof xyRatio.y == 'number') {
-    this.scrollY = -metrics.contentHeight * xyRatio.y - metrics.contentTop;
-  }
-  // We have to shift the translation so that when the canvas is at 0, 0 the
-  // workspace origin is not underneath the toolbox.
-  var x = this.scrollX + metrics.absoluteLeft;
-  var y = this.scrollY + metrics.absoluteTop;
-  // We could call scroll here, but that has extra checks we don't need to do.
-  this.translate(x, y);
-};
-
-/**
- * Find the block on this workspace with the specified ID.
- * @param {string} id ID of block to find.
- * @return {Blockly.BlockSvg} The sought after block, or null if not found.
- * @override
- */
-Blockly.WorkspaceSvg.prototype.getBlockById = function(id) {
-  return /** @type {Blockly.BlockSvg} */ (
-    Blockly.WorkspaceSvg.superClass_.getBlockById.call(this, id));
-};
-
-/**
- * Finds the top-level blocks and returns them.  Blocks are optionally sorted
- * by position; top to bottom (with slight LTR or RTL bias).
- * @param {boolean} ordered Sort the list if true.
- * @return {!Array.<!Blockly.BlockSvg>} The top-level block objects.
- * @override
- */
-Blockly.WorkspaceSvg.prototype.getTopBlocks = function(ordered) {
-  return Blockly.WorkspaceSvg.superClass_.getTopBlocks.call(this, ordered);
-};
-
-/**
- * Adds a block to the list of top blocks.
- * @param {!Blockly.Block} block Block to add.
- */
-Blockly.WorkspaceSvg.prototype.addTopBlock = function(block) {
-  this.addTopBoundedElement(/** @type {!Blockly.BlockSvg} */ (block));
-  Blockly.WorkspaceSvg.superClass_.addTopBlock.call(this, block);
-};
-
-/**
- * Removes a block from the list of top blocks.
- * @param {!Blockly.Block} block Block to remove.
- */
-Blockly.WorkspaceSvg.prototype.removeTopBlock = function(block) {
-  this.removeTopBoundedElement(/** @type {!Blockly.BlockSvg} */ (block));
-  Blockly.WorkspaceSvg.superClass_.removeTopBlock.call(this, block);
-};
-
-/**
- * Adds a comment to the list of top comments.
- * @param {!Blockly.WorkspaceComment} comment comment to add.
- */
-Blockly.WorkspaceSvg.prototype.addTopComment = function(comment) {
-  this.addTopBoundedElement(
-      /** @type {!Blockly.WorkspaceCommentSvg} */ (comment));
-  Blockly.WorkspaceSvg.superClass_.addTopComment.call(this, comment);
-};
-
-/**
- * Removes a comment from the list of top comments.
- * @param {!Blockly.WorkspaceComment} comment comment to remove.
- */
-Blockly.WorkspaceSvg.prototype.removeTopComment = function(comment) {
-  this.removeTopBoundedElement(
-      /** @type {!Blockly.WorkspaceCommentSvg} */ (comment));
-  Blockly.WorkspaceSvg.superClass_.removeTopComment.call(this, comment);
-};
-
-/**
- * Adds a bounded element to the list of top bounded elements.
- * @param {!Blockly.IBoundedElement} element Bounded element to add.
- */
-Blockly.WorkspaceSvg.prototype.addTopBoundedElement = function(element) {
-  this.topBoundedElements_.push(element);
-};
-
-/**
- * Removes a bounded element from the list of top bounded elements.
- * @param {!Blockly.IBoundedElement} element Bounded element to remove.
- */
-Blockly.WorkspaceSvg.prototype.removeTopBoundedElement = function(element) {
-  Blockly.utils.arrayRemove(this.topBoundedElements_, element);
-};
-
-/**
- * Finds the top-level bounded elements and returns them.
- * @return {!Array.<!Blockly.IBoundedElement>} The top-level bounded elements.
- */
-Blockly.WorkspaceSvg.prototype.getTopBoundedElements = function() {
-  return [].concat(this.topBoundedElements_);
-};
-
-/**
- * Update whether this workspace has resizes enabled.
- * If enabled, workspace will resize when appropriate.
- * If disabled, workspace will not resize until re-enabled.
- * Use to avoid resizing during a batch operation, for performance.
- * @param {boolean} enabled Whether resizes should be enabled.
- */
-Blockly.WorkspaceSvg.prototype.setResizesEnabled = function(enabled) {
-  var reenabled = (!this.resizesEnabled_ && enabled);
-  this.resizesEnabled_ = enabled;
-  if (reenabled) {
-    // Newly enabled.  Trigger a resize.
-    this.resizeContents();
-  }
-};
-
-/**
- * Dispose of all blocks in workspace, with an optimization to prevent resizes.
- */
-Blockly.WorkspaceSvg.prototype.clear = function() {
-  this.setResizesEnabled(false);
-  Blockly.WorkspaceSvg.superClass_.clear.call(this);
-  this.topBoundedElements_ = [];
-  this.setResizesEnabled(true);
-};
-
-/**
- * Register a callback function associated with a given key, for clicks on
- * buttons and labels in the flyout.
- * For instance, a button specified by the XML
- * <button text="create variable" callbackKey="CREATE_VARIABLE"></button>
- * should be matched by a call to
- * registerButtonCallback("CREATE_VARIABLE", yourCallbackFunction).
- * @param {string} key The name to use to look up this function.
- * @param {function(!Blockly.FlyoutButton)} func The function to call when the
- *     given button is clicked.
- */
-Blockly.WorkspaceSvg.prototype.registerButtonCallback = function(key, func) {
-  if (typeof func != 'function') {
-    throw TypeError('Button callbacks must be functions.');
-  }
-  this.flyoutButtonCallbacks_[key] = func;
-};
-
-/**
- * Get the callback function associated with a given key, for clicks on buttons
- * and labels in the flyout.
- * @param {string} key The name to use to look up the function.
- * @return {?function(!Blockly.FlyoutButton)} The function corresponding to the
- *     given key for this workspace; null if no callback is registered.
- */
-Blockly.WorkspaceSvg.prototype.getButtonCallback = function(key) {
-  var result = this.flyoutButtonCallbacks_[key];
-  return result ? result : null;
-};
-
-/**
- * Remove a callback for a click on a button in the flyout.
- * @param {string} key The name associated with the callback function.
- */
-Blockly.WorkspaceSvg.prototype.removeButtonCallback = function(key) {
-  this.flyoutButtonCallbacks_[key] = null;
-};
-
-/**
- * Register a callback function associated with a given key, for populating
- * custom toolbox categories in this workspace.  See the variable and procedure
- * categories as an example.
- * @param {string} key The name to use to look up this function.
- * @param {function(!Blockly.Workspace):!Array.<!Element>} func The function to
- *     call when the given toolbox category is opened.
- */
-Blockly.WorkspaceSvg.prototype.registerToolboxCategoryCallback = function(key,
-    func) {
-  if (typeof func != 'function') {
-    throw TypeError('Toolbox category callbacks must be functions.');
-  }
-  this.toolboxCategoryCallbacks_[key] = func;
-};
-
-/**
- * Get the callback function associated with a given key, for populating
- * custom toolbox categories in this workspace.
- * @param {string} key The name to use to look up the function.
- * @return {?function(!Blockly.Workspace):!Array.<!Element>} The function
- *     corresponding to the given key for this workspace, or null if no function
- *     is registered.
- */
-Blockly.WorkspaceSvg.prototype.getToolboxCategoryCallback = function(key) {
-  return this.toolboxCategoryCallbacks_[key] || null;
-};
-
-/**
- * Remove a callback for a click on a custom category's name in the toolbox.
- * @param {string} key The name associated with the callback function.
- */
-Blockly.WorkspaceSvg.prototype.removeToolboxCategoryCallback = function(key) {
-  this.toolboxCategoryCallbacks_[key] = null;
-};
-
-/**
- * Look up the gesture that is tracking this touch stream on this workspace.
- * May create a new gesture.
- * @param {!Event} e Mouse event or touch event.
- * @return {Blockly.TouchGesture} The gesture that is tracking this touch
- *     stream, or null if no valid gesture exists.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.getGesture = function(e) {
-  var isStart = (e.type == 'mousedown' || e.type == 'touchstart' ||
-      e.type == 'pointerdown');
-
-  var gesture = this.currentGesture_;
-  if (gesture) {
-    if (isStart && gesture.hasStarted()) {
-      console.warn('Tried to start the same gesture twice.');
-      // That's funny.  We must have missed a mouse up.
-      // Cancel it, rather than try to retrieve all of the state we need.
-      gesture.cancel();
-      return null;
-    }
-    return gesture;
-  }
-
-  // No gesture existed on this workspace, but this looks like the start of a
-  // new gesture.
-  if (isStart) {
-    this.currentGesture_ = new Blockly.TouchGesture(e, this);
-    return this.currentGesture_;
-  }
-  // No gesture existed and this event couldn't be the start of a new gesture.
-  return null;
-};
-
-/**
- * Clear the reference to the current gesture.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.clearGesture = function() {
-  this.currentGesture_ = null;
-};
-
-/**
- * Cancel the current gesture, if one exists.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.cancelCurrentGesture = function() {
-  if (this.currentGesture_) {
-    this.currentGesture_.cancel();
-  }
-};
-
-/**
- * Get the audio manager for this workspace.
- * @return {!Blockly.WorkspaceAudio} The audio manager for this workspace.
- */
-Blockly.WorkspaceSvg.prototype.getAudioManager = function() {
-  return this.audioManager_;
-};
-
-/**
- * Get the grid object for this workspace, or null if there is none.
- * @return {Blockly.Grid} The grid object for this workspace.
- * @package
- */
-Blockly.WorkspaceSvg.prototype.getGrid = function() {
-  return this.grid_;
-};
diff --git a/core/workspace_svg.ts b/core/workspace_svg.ts
new file mode 100644
index 00000000000..aad748105f0
--- /dev/null
+++ b/core/workspace_svg.ts
@@ -0,0 +1,2443 @@
+/**
+ * @license
+ * Copyright 2014 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Object representing a workspace rendered as SVG.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.WorkspaceSvg
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_block_create.js';
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_theme_change.js';
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_viewport.js';
+
+import type {Block} from './block.js';
+import type {BlockSvg} from './block_svg.js';
+import type {BlocklyOptions} from './blockly_options.js';
+import * as browserEvents from './browser_events.js';
+import * as common from './common.js';
+import {ComponentManager} from './component_manager.js';
+import {ConnectionDB} from './connection_db.js';
+import * as ContextMenu from './contextmenu.js';
+import {ContextMenuRegistry} from './contextmenu_registry.js';
+import * as dropDownDiv from './dropdowndiv.js';
+import * as eventUtils from './events/utils.js';
+import type {FlyoutButton} from './flyout_button.js';
+import {Gesture} from './gesture.js';
+import {Grid} from './grid.js';
+import type {IASTNodeLocationSvg} from './interfaces/i_ast_node_location_svg.js';
+import type {IBoundedElement} from './interfaces/i_bounded_element.js';
+import type {IDragTarget} from './interfaces/i_drag_target.js';
+import type {IFlyout} from './interfaces/i_flyout.js';
+import type {IMetricsManager} from './interfaces/i_metrics_manager.js';
+import type {IToolbox} from './interfaces/i_toolbox.js';
+import type {Cursor} from './keyboard_nav/cursor.js';
+import type {Marker} from './keyboard_nav/marker.js';
+import {MarkerManager} from './marker_manager.js';
+import {Options} from './options.js';
+import * as Procedures from './procedures.js';
+import * as registry from './registry.js';
+import * as blockRendering from './renderers/common/block_rendering.js';
+import type {Renderer} from './renderers/common/renderer.js';
+import type {ScrollbarPair} from './scrollbar_pair.js';
+import type {Theme} from './theme.js';
+import {Classic} from './theme/classic.js';
+import {ThemeManager} from './theme_manager.js';
+import * as Tooltip from './tooltip.js';
+import type {Trashcan} from './trashcan.js';
+import * as arrayUtils from './utils/array.js';
+import {Coordinate} from './utils/coordinate.js';
+import * as dom from './utils/dom.js';
+import type {Metrics} from './utils/metrics.js';
+import {Rect} from './utils/rect.js';
+import {Size} from './utils/size.js';
+import {Svg} from './utils/svg.js';
+import * as svgMath from './utils/svg_math.js';
+import * as toolbox from './utils/toolbox.js';
+import * as userAgent from './utils/useragent.js';
+import type {VariableModel} from './variable_model.js';
+import * as Variables from './variables.js';
+import * as VariablesDynamic from './variables_dynamic.js';
+import * as WidgetDiv from './widgetdiv.js';
+import {Workspace} from './workspace.js';
+import {WorkspaceAudio} from './workspace_audio.js';
+import {WorkspaceComment} from './comments/workspace_comment.js';
+import {ZoomControls} from './zoom_controls.js';
+import {ContextMenuOption} from './contextmenu_registry.js';
+import * as renderManagement from './render_management.js';
+import {LayerManager} from './layer_manager.js';
+import {RenderedWorkspaceComment} from './comments/rendered_workspace_comment.js';
+
+/** Margin around the top/bottom/left/right after a zoomToFit call. */
+const ZOOM_TO_FIT_MARGIN = 20;
+
+/**
+ * Class for a workspace.  This is an onscreen area with optional trashcan,
+ * scrollbars, bubbles, and dragging.
+ */
+export class WorkspaceSvg extends Workspace implements IASTNodeLocationSvg {
+  /**
+   * A wrapper function called when a resize event occurs.
+   * You can pass the result to `eventHandling.unbind`.
+   */
+  private resizeHandlerWrapper: browserEvents.Data | null = null;
+
+  /**
+   * The render status of an SVG workspace.
+   * Returns `false` for headless workspaces and true for instances of
+   * `WorkspaceSvg`.
+   */
+  override rendered = true;
+
+  /**
+   * Whether the workspace is visible.  False if the workspace has been hidden
+   * by calling `setVisible(false)`.
+   */
+  private isVisible_ = true;
+
+  /**
+   * Whether this workspace has resizes enabled.
+   * Disable during batch operations for a performance improvement.
+   */
+  private resizesEnabled = true;
+
+  /**
+   * Current horizontal scrolling offset in pixel units, relative to the
+   * workspace origin.
+   *
+   * It is useful to think about a view, and a canvas moving beneath that
+   * view. As the canvas moves right, this value becomes more positive, and
+   * the view is now "seeing" the left side of the canvas. As the canvas moves
+   * left, this value becomes more negative, and the view is now "seeing" the
+   * right side of the canvas.
+   *
+   * The confusing thing about this value is that it does not, and must not
+   * include the absoluteLeft offset. This is because it is used to calculate
+   * the viewLeft value.
+   *
+   * The viewLeft is relative to the workspace origin (although in pixel
+   * units). The workspace origin is the top-left corner of the workspace (at
+   * least when it is enabled). It is shifted from the top-left of the
+   * blocklyDiv so as not to be beneath the toolbox.
+   *
+   * When the workspace is enabled the viewLeft and workspace origin are at
+   * the same X location. As the canvas slides towards the right beneath the
+   * view this value (scrollX) becomes more positive, and the viewLeft becomes
+   * more negative relative to the workspace origin (imagine the workspace
+   * origin as a dot on the canvas sliding to the right as the canvas moves).
+   *
+   * So if the scrollX were to include the absoluteLeft this would in a way
+   * "unshift" the workspace origin. This means that the viewLeft would be
+   * representing the left edge of the blocklyDiv, rather than the left edge
+   * of the workspace.
+   */
+  scrollX = 0;
+
+  /**
+   * Current vertical scrolling offset in pixel units, relative to the
+   * workspace origin.
+   *
+   * It is useful to think about a view, and a canvas moving beneath that
+   * view. As the canvas moves down, this value becomes more positive, and the
+   * view is now "seeing" the upper part of the canvas. As the canvas moves
+   * up, this value becomes more negative, and the view is "seeing" the lower
+   * part of the canvas.
+   *
+   * This confusing thing about this value is that it does not, and must not
+   * include the absoluteTop offset. This is because it is used to calculate
+   * the viewTop value.
+   *
+   * The viewTop is relative to the workspace origin (although in pixel
+   * units). The workspace origin is the top-left corner of the workspace (at
+   * least when it is enabled). It is shifted from the top-left of the
+   * blocklyDiv so as not to be beneath the toolbox.
+   *
+   * When the workspace is enabled the viewTop and workspace origin are at the
+   * same Y location. As the canvas slides towards the bottom this value
+   * (scrollY) becomes more positive, and the viewTop becomes more negative
+   * relative to the workspace origin (image in the workspace origin as a dot
+   * on the canvas sliding downwards as the canvas moves).
+   *
+   * So if the scrollY were to include the absoluteTop this would in a way
+   * "unshift" the workspace origin. This means that the viewTop would be
+   * representing the top edge of the blocklyDiv, rather than the top edge of
+   * the workspace.
+   */
+  scrollY = 0;
+
+  /** Horizontal scroll value when scrolling started in pixel units. */
+  startScrollX = 0;
+
+  /** Vertical scroll value when scrolling started in pixel units. */
+  startScrollY = 0;
+
+  /** Distance from mouse to object being dragged. */
+  private dragDeltaXY: Coordinate | null = null;
+
+  /** Current scale. */
+  scale = 1;
+
+  /** Cached scale value. Used to detect changes in viewport. */
+  private oldScale = 1;
+
+  /** Cached viewport top value. Used to detect changes in viewport. */
+  private oldTop = 0;
+
+  /** Cached viewport left value. Used to detect changes in viewport. */
+  private oldLeft = 0;
+
+  /** The workspace's trashcan (if any). */
+  trashcan: Trashcan | null = null;
+
+  /** This workspace's scrollbars, if they exist. */
+  scrollbar: ScrollbarPair | null = null;
+
+  /**
+   * Fixed flyout providing blocks which may be dragged into this workspace.
+   */
+  private flyout: IFlyout | null = null;
+
+  /**
+   * Category-based toolbox providing blocks which may be dragged into this
+   * workspace.
+   */
+  private toolbox_: IToolbox | null = null;
+
+  /**
+   * The current gesture in progress on this workspace, if any.
+   *
+   * @internal
+   */
+  currentGesture_: Gesture | null = null;
+
+  /**
+   * The first parent div with 'injectionDiv' in the name, or null if not set.
+   * Access this with getInjectionDiv.
+   */
+  private injectionDiv: Element | null = null;
+
+  /**
+   * Last known position of the page scroll.
+   * This is used to determine whether we have recalculated screen coordinate
+   * stuff since the page scrolled.
+   */
+  private lastRecordedPageScroll: Coordinate | null = null;
+
+  /**
+   * Developers may define this function to add custom menu options to the
+   * workspace's context menu or edit the workspace-created set of menu
+   * options.
+   *
+   * @param options List of menu options to add to.
+   * @param e The right-click event that triggered the context menu.
+   */
+  configureContextMenu:
+    | ((menuOptions: ContextMenuOption[], e: Event) => void)
+    | null = null;
+
+  /**
+   * A dummy wheel event listener used as a workaround for a Safari scrolling issue.
+   * Set in createDom and used for removal in dispose to ensure proper cleanup.
+   */
+  private dummyWheelListener: (() => void) | null = null;
+
+  /**
+   * In a flyout, the target workspace where blocks should be placed after a
+   * drag. Otherwise null.
+   *
+   * @internal
+   */
+  targetWorkspace: WorkspaceSvg | null = null;
+
+  /** Inverted screen CTM, for use in mouseToSvg. */
+  private inverseScreenCTM: SVGMatrix | null = null;
+
+  /** Inverted screen CTM is dirty, recalculate it. */
+  private inverseScreenCTMDirty = true;
+  private metricsManager: IMetricsManager;
+  /** @internal */
+  getMetrics: () => Metrics;
+  /** @internal */
+  setMetrics: (p1: {x?: number; y?: number}) => void;
+  private readonly componentManager: ComponentManager;
+
+  /**
+   * List of currently highlighted blocks.  Block highlighting is often used
+   * to visually mark blocks currently being executed.
+   */
+  private readonly highlightedBlocks: BlockSvg[] = [];
+  private audioManager: WorkspaceAudio;
+  private grid: Grid | null;
+  private markerManager: MarkerManager;
+
+  /**
+   * Map from function names to callbacks, for deciding what to do when a
+   * custom toolbox category is opened.
+   */
+  private toolboxCategoryCallbacks = new Map<
+    string,
+    (p1: WorkspaceSvg) => toolbox.FlyoutDefinition
+  >();
+
+  /**
+   * Map from function names to callbacks, for deciding what to do when a
+   * button is clicked.
+   */
+  private flyoutButtonCallbacks = new Map<string, (p1: FlyoutButton) => void>();
+  protected themeManager_: ThemeManager;
+  private readonly renderer: Renderer;
+
+  /** Cached parent SVG. */
+  private cachedParentSvg: SVGElement | null = null;
+
+  /** True if keyboard accessibility mode is on, false otherwise. */
+  keyboardAccessibilityMode = false;
+
+  /** The list of top-level bounded elements on the workspace. */
+  private topBoundedElements: IBoundedElement[] = [];
+
+  /** The recorded drag targets. */
+  private dragTargetAreas: Array<{component: IDragTarget; clientRect: Rect}> =
+    [];
+  private readonly cachedParentSvgSize: Size;
+  private layerManager: LayerManager | null = null;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  svgGroup_!: SVGElement;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  svgBackground_!: SVGElement;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  svgBlockCanvas_!: SVGElement;
+  // TODO(b/109816955): remove '!', see go/strict-prop-init-fix.
+  svgBubbleCanvas_!: SVGElement;
+  zoomControls_: ZoomControls | null = null;
+
+  /**
+   * @param options Dictionary of options.
+   */
+  constructor(options: Options) {
+    super(options);
+
+    const MetricsManagerClass = registry.getClassFromOptions(
+      registry.Type.METRICS_MANAGER,
+      options,
+      true,
+    );
+    /** Object in charge of calculating metrics for the workspace. */
+    this.metricsManager = new MetricsManagerClass!(this);
+
+    /** Method to get all the metrics that have to do with a workspace. */
+    this.getMetrics =
+      options.getMetrics ||
+      this.metricsManager.getMetrics.bind(this.metricsManager);
+
+    /** Translates the workspace. */
+    this.setMetrics =
+      options.setMetrics || WorkspaceSvg.setTopLevelWorkspaceMetrics_;
+
+    this.componentManager = new ComponentManager();
+
+    this.connectionDBList = ConnectionDB.init(this.connectionChecker);
+
+    /**
+     * Object in charge of loading, storing, and playing audio for a workspace.
+     */
+    this.audioManager = new WorkspaceAudio(
+      options.parentWorkspace as WorkspaceSvg,
+    );
+
+    /** This workspace's grid object or null. */
+    this.grid = this.options.gridPattern
+      ? new Grid(this.options.gridPattern, options.gridOptions)
+      : null;
+
+    /** Manager in charge of markers and cursors. */
+    this.markerManager = new MarkerManager(this);
+
+    if (Variables && Variables.flyoutCategory) {
+      this.registerToolboxCategoryCallback(
+        Variables.CATEGORY_NAME,
+        Variables.flyoutCategory,
+      );
+    }
+
+    if (VariablesDynamic && VariablesDynamic.flyoutCategory) {
+      this.registerToolboxCategoryCallback(
+        VariablesDynamic.CATEGORY_NAME,
+        VariablesDynamic.flyoutCategory,
+      );
+    }
+
+    if (Procedures && Procedures.flyoutCategory) {
+      this.registerToolboxCategoryCallback(
+        Procedures.CATEGORY_NAME,
+        Procedures.flyoutCategory,
+      );
+      this.addChangeListener(Procedures.mutatorOpenListener);
+    }
+
+    /** Object in charge of storing and updating the workspace theme. */
+    this.themeManager_ = this.options.parentWorkspace
+      ? this.options.parentWorkspace.getThemeManager()
+      : new ThemeManager(this, this.options.theme || Classic);
+    this.themeManager_.subscribeWorkspace(this);
+
+    /** The block renderer used for rendering blocks on this workspace. */
+    this.renderer = blockRendering.init(
+      this.options.renderer || 'geras',
+      this.getTheme(),
+      this.options.rendererOverrides ?? undefined,
+    );
+
+    /**
+     * The cached size of the parent svg element.
+     * Used to compute svg metrics.
+     */
+    this.cachedParentSvgSize = new Size(0, 0);
+  }
+
+  /**
+   * Get the marker manager for this workspace.
+   *
+   * @returns The marker manager.
+   */
+  getMarkerManager(): MarkerManager {
+    return this.markerManager;
+  }
+
+  /**
+   * Gets the metrics manager for this workspace.
+   *
+   * @returns The metrics manager.
+   */
+  getMetricsManager(): IMetricsManager {
+    return this.metricsManager;
+  }
+
+  /**
+   * Sets the metrics manager for the workspace.
+   *
+   * @param metricsManager The metrics manager.
+   * @internal
+   */
+  setMetricsManager(metricsManager: IMetricsManager) {
+    this.metricsManager = metricsManager;
+    this.getMetrics = this.metricsManager.getMetrics.bind(this.metricsManager);
+  }
+
+  /**
+   * Gets the component manager for this workspace.
+   *
+   * @returns The component manager.
+   */
+  getComponentManager(): ComponentManager {
+    return this.componentManager;
+  }
+
+  /**
+   * Add the cursor SVG to this workspaces SVG group.
+   *
+   * @param cursorSvg The SVG root of the cursor to be added to the workspace
+   *     SVG group.
+   * @internal
+   */
+  setCursorSvg(cursorSvg: SVGElement) {
+    this.markerManager.setCursorSvg(cursorSvg);
+  }
+
+  /**
+   * Add the marker SVG to this workspaces SVG group.
+   *
+   * @param markerSvg The SVG root of the marker to be added to the workspace
+   *     SVG group.
+   * @internal
+   */
+  setMarkerSvg(markerSvg: SVGElement) {
+    this.markerManager.setMarkerSvg(markerSvg);
+  }
+
+  /**
+   * Get the marker with the given ID.
+   *
+   * @param id The ID of the marker.
+   * @returns The marker with the given ID or null if no marker with the given
+   *     ID exists.
+   * @internal
+   */
+  getMarker(id: string): Marker | null {
+    if (this.markerManager) {
+      return this.markerManager.getMarker(id);
+    }
+    return null;
+  }
+
+  /**
+   * The cursor for this workspace.
+   *
+   * @returns The cursor for the workspace.
+   */
+  getCursor(): Cursor | null {
+    if (this.markerManager) {
+      return this.markerManager.getCursor();
+    }
+    return null;
+  }
+
+  /**
+   * Get the block renderer attached to this workspace.
+   *
+   * @returns The renderer attached to this workspace.
+   */
+  getRenderer(): Renderer {
+    return this.renderer;
+  }
+
+  /**
+   * Get the theme manager for this workspace.
+   *
+   * @returns The theme manager for this workspace.
+   * @internal
+   */
+  getThemeManager(): ThemeManager {
+    return this.themeManager_;
+  }
+
+  /**
+   * Get the workspace theme object.
+   *
+   * @returns The workspace theme object.
+   */
+  getTheme(): Theme {
+    return this.themeManager_.getTheme();
+  }
+
+  /**
+   * Set the workspace theme object.
+   * If no theme is passed, default to the `Classic` theme.
+   *
+   * @param theme The workspace theme object.
+   */
+  setTheme(theme: Theme) {
+    if (!theme) {
+      theme = Classic as Theme;
+    }
+    this.themeManager_.setTheme(theme);
+  }
+
+  /**
+   * Refresh all blocks on the workspace after a theme update.
+   */
+  refreshTheme() {
+    if (this.svgGroup_) {
+      this.renderer.refreshDom(this.svgGroup_, this.getTheme());
+    }
+
+    // Update all blocks in workspace that have a style name.
+    this.updateBlockStyles_(
+      this.getAllBlocks(false).filter(function (block) {
+        return !!block.getStyleName();
+      }),
+    );
+
+    // Update current toolbox selection.
+    this.refreshToolboxSelection();
+    if (this.toolbox_) {
+      this.toolbox_.refreshTheme();
+    }
+
+    // Re-render if workspace is visible
+    if (this.isVisible()) {
+      this.setVisible(true);
+    }
+
+    const event = new (eventUtils.get(eventUtils.THEME_CHANGE))(
+      this.getTheme().name,
+      this.id,
+    );
+    eventUtils.fire(event);
+  }
+
+  /**
+   * Updates all the blocks with new style.
+   *
+   * @param blocks List of blocks to update the style on.
+   */
+  private updateBlockStyles_(blocks: Block[]) {
+    for (let i = 0, block; (block = blocks[i]); i++) {
+      const blockStyleName = block.getStyleName();
+      if (blockStyleName) {
+        const blockSvg = block as BlockSvg;
+        blockSvg.setStyle(blockStyleName);
+      }
+    }
+  }
+
+  /**
+   * Getter for the inverted screen CTM.
+   *
+   * @returns The matrix to use in mouseToSvg
+   */
+  getInverseScreenCTM(): SVGMatrix | null {
+    // Defer getting the screen CTM until we actually need it, this should
+    // avoid forced reflows from any calls to updateInverseScreenCTM.
+    if (this.inverseScreenCTMDirty) {
+      const ctm = this.getParentSvg().getScreenCTM();
+      if (ctm) {
+        this.inverseScreenCTM = ctm.inverse();
+        this.inverseScreenCTMDirty = false;
+      }
+    }
+
+    return this.inverseScreenCTM;
+  }
+
+  /** Mark the inverse screen CTM as dirty. */
+  updateInverseScreenCTM() {
+    this.inverseScreenCTMDirty = true;
+  }
+
+  /**
+   * Getter for isVisible
+   *
+   * @returns Whether the workspace is visible.
+   *     False if the workspace has been hidden by calling `setVisible(false)`.
+   */
+  isVisible(): boolean {
+    return this.isVisible_;
+  }
+
+  /**
+   * Return the absolute coordinates of the top-left corner of this element,
+   * scales that after canvas SVG element, if it's a descendant.
+   * The origin (0,0) is the top-left corner of the Blockly SVG.
+   *
+   * @param element SVG element to find the coordinates of.
+   * @returns Object with .x and .y properties.
+   * @internal
+   */
+  getSvgXY(element: SVGElement): Coordinate {
+    let x = 0;
+    let y = 0;
+    let scale = 1;
+    if (
+      this.getCanvas().contains(element) ||
+      this.getBubbleCanvas().contains(element)
+    ) {
+      // Before the SVG canvas, scale the coordinates.
+      scale = this.scale;
+    }
+    do {
+      // Loop through this block and every parent.
+      const xy = svgMath.getRelativeXY(element);
+      if (element === this.getCanvas() || element === this.getBubbleCanvas()) {
+        // After the SVG canvas, don't scale the coordinates.
+        scale = 1;
+      }
+      x += xy.x * scale;
+      y += xy.y * scale;
+      element = element.parentNode as SVGElement;
+    } while (
+      element &&
+      element !== this.getParentSvg() &&
+      element !== this.getInjectionDiv()
+    );
+    return new Coordinate(x, y);
+  }
+
+  /**
+   * Gets the size of the workspace's parent SVG element.
+   *
+   * @returns The cached width and height of the workspace's parent SVG element.
+   * @internal
+   */
+  getCachedParentSvgSize(): Size {
+    const size = this.cachedParentSvgSize;
+    return new Size(size.width, size.height);
+  }
+
+  /**
+   * Return the position of the workspace origin relative to the injection div
+   * origin in pixels.
+   * The workspace origin is where a block would render at position (0, 0).
+   * It is not the upper left corner of the workspace SVG.
+   *
+   * @returns Offset in pixels.
+   * @internal
+   */
+  getOriginOffsetInPixels(): Coordinate {
+    return svgMath.getInjectionDivXY(this.getCanvas());
+  }
+
+  /**
+   * Return the injection div that is a parent of this workspace.
+   * Walks the DOM the first time it's called, then returns a cached value.
+   * Note: We assume this is only called after the workspace has been injected
+   * into the DOM.
+   *
+   * @returns The first parent div with 'injectionDiv' in the name.
+   * @internal
+   */
+  getInjectionDiv(): Element {
+    // NB: it would be better to pass this in at createDom, but is more likely
+    // to break existing uses of Blockly.
+    if (!this.injectionDiv) {
+      let element: Element = this.svgGroup_;
+      while (element) {
+        const classes = element.getAttribute('class') || '';
+        if ((' ' + classes + ' ').includes(' injectionDiv ')) {
+          this.injectionDiv = element;
+          break;
+        }
+        element = element.parentNode as Element;
+      }
+    }
+    return this.injectionDiv!;
+  }
+
+  /**
+   * Returns the SVG group for the workspace.
+   *
+   * @returns The SVG group for the workspace.
+   */
+  getSvgGroup(): Element {
+    return this.svgGroup_;
+  }
+
+  /**
+   * Get the SVG block canvas for the workspace.
+   *
+   * @returns The SVG group for the workspace.
+   * @internal
+   */
+  getBlockCanvas(): SVGElement | null {
+    return this.getCanvas();
+  }
+
+  /**
+   * Save resize handler data so we can delete it later in dispose.
+   *
+   * @param handler Data that can be passed to eventHandling.unbind.
+   */
+  setResizeHandlerWrapper(handler: browserEvents.Data) {
+    this.resizeHandlerWrapper = handler;
+  }
+
+  /**
+   * Create the workspace DOM elements.
+   *
+   * @param opt_backgroundClass Either 'blocklyMainBackground' or
+   *     'blocklyMutatorBackground'.
+   * @returns The workspace's SVG group.
+   */
+  createDom(opt_backgroundClass?: string, injectionDiv?: Element): Element {
+    if (!this.injectionDiv) {
+      this.injectionDiv = injectionDiv ?? null;
+    }
+
+    /**
+     * <g class="blocklyWorkspace">
+     *   <rect class="blocklyMainBackground" height="100%" width="100%"></rect>
+     *   [Trashcan and/or flyout may go here]
+     *   <g class="blocklyBlockCanvas"></g>
+     *   <g class="blocklyBubbleCanvas"></g>
+     * </g>
+     */
+    this.svgGroup_ = dom.createSvgElement(Svg.G, {'class': 'blocklyWorkspace'});
+
+    // Note that a <g> alone does not receive mouse events--it must have a
+    // valid target inside it.  If no background class is specified, as in the
+    // flyout, the workspace will not receive mouse events.
+    if (opt_backgroundClass) {
+      this.svgBackground_ = dom.createSvgElement(
+        Svg.RECT,
+        {'height': '100%', 'width': '100%', 'class': opt_backgroundClass},
+        this.svgGroup_,
+      );
+
+      if (opt_backgroundClass === 'blocklyMainBackground' && this.grid) {
+        this.svgBackground_.style.fill =
+          'url(#' + this.grid.getPatternId() + ')';
+      } else {
+        this.themeManager_.subscribe(
+          this.svgBackground_,
+          'workspaceBackgroundColour',
+          'fill',
+        );
+      }
+    }
+
+    this.layerManager = new LayerManager(this);
+    // Assign the canvases for backwards compatibility.
+    this.svgBlockCanvas_ = this.layerManager.getBlockLayer();
+    this.svgBubbleCanvas_ = this.layerManager.getBubbleLayer();
+
+    if (!this.isFlyout) {
+      browserEvents.conditionalBind(
+        this.svgGroup_,
+        'pointerdown',
+        this,
+        this.onMouseDown_,
+        false,
+      );
+      // This no-op works around https://bugs.webkit.org/show_bug.cgi?id=226683,
+      // which otherwise prevents zoom/scroll events from being observed in
+      // Safari. Once that bug is fixed it should be removed.
+      this.dummyWheelListener = () => {};
+      document.body.addEventListener('wheel', this.dummyWheelListener);
+      browserEvents.conditionalBind(
+        this.svgGroup_,
+        'wheel',
+        this,
+        this.onMouseWheel_,
+      );
+    }
+
+    // Determine if there needs to be a category tree, or a simple list of
+    // blocks.  This cannot be changed later, since the UI is very different.
+    if (this.options.hasCategories) {
+      const ToolboxClass = registry.getClassFromOptions(
+        registry.Type.TOOLBOX,
+        this.options,
+        true,
+      );
+      this.toolbox_ = new ToolboxClass!(this);
+    }
+    if (this.grid) {
+      this.grid.update(this.scale);
+    }
+    this.recordDragTargets();
+    const CursorClass = registry.getClassFromOptions(
+      registry.Type.CURSOR,
+      this.options,
+    );
+
+    CursorClass && this.markerManager.setCursor(new CursorClass());
+
+    this.renderer.createDom(this.svgGroup_, this.getTheme());
+    return this.svgGroup_;
+  }
+
+  /**
+   * Dispose of this workspace.
+   * Unlink from all DOM elements to prevent memory leaks.
+   */
+  override dispose() {
+    // Stop rerendering.
+    this.rendered = false;
+    if (this.currentGesture_) {
+      this.currentGesture_.cancel();
+    }
+    if (this.svgGroup_) {
+      dom.removeNode(this.svgGroup_);
+    }
+    if (this.toolbox_) {
+      this.toolbox_.dispose();
+      this.toolbox_ = null;
+    }
+    if (this.flyout) {
+      this.flyout.dispose();
+      this.flyout = null;
+    }
+    if (this.trashcan) {
+      this.trashcan.dispose();
+      this.trashcan = null;
+    }
+    if (this.scrollbar) {
+      this.scrollbar.dispose();
+      this.scrollbar = null;
+    }
+    if (this.zoomControls_) {
+      this.zoomControls_.dispose();
+    }
+
+    if (this.audioManager) {
+      this.audioManager.dispose();
+    }
+
+    if (this.grid) {
+      this.grid = null;
+    }
+
+    this.renderer.dispose();
+
+    if (this.markerManager) {
+      this.markerManager.dispose();
+    }
+
+    super.dispose();
+
+    // Dispose of theme manager after all blocks and mutators are disposed of.
+    if (this.themeManager_) {
+      this.themeManager_.unsubscribeWorkspace(this);
+      this.themeManager_.unsubscribe(this.svgBackground_);
+      if (!this.options.parentWorkspace) {
+        this.themeManager_.dispose();
+      }
+    }
+
+    this.connectionDBList.length = 0;
+
+    this.toolboxCategoryCallbacks.clear();
+    this.flyoutButtonCallbacks.clear();
+
+    if (!this.options.parentWorkspace) {
+      // Top-most workspace.  Dispose of the div that the
+      // SVG is injected into (i.e. injectionDiv).
+      const parentSvg = this.getParentSvg();
+      if (parentSvg && parentSvg.parentNode) {
+        dom.removeNode(parentSvg.parentNode);
+      }
+    }
+    if (this.resizeHandlerWrapper) {
+      browserEvents.unbind(this.resizeHandlerWrapper);
+      this.resizeHandlerWrapper = null;
+    }
+
+    // Remove the dummy wheel listener
+    if (this.dummyWheelListener) {
+      document.body.removeEventListener('wheel', this.dummyWheelListener);
+      this.dummyWheelListener = null;
+    }
+  }
+
+  /**
+   * Add a trashcan.
+   *
+   * @internal
+   */
+  addTrashcan() {
+    this.trashcan = WorkspaceSvg.newTrashcan(this);
+    const svgTrashcan = this.trashcan.createDom();
+    this.svgGroup_.insertBefore(svgTrashcan, this.getCanvas());
+  }
+
+  /**
+   * @param _workspace
+   * @internal
+   */
+  static newTrashcan(_workspace: WorkspaceSvg): Trashcan {
+    throw new Error(
+      'The implementation of newTrashcan should be ' +
+        'monkey-patched in by blockly.ts',
+    );
+  }
+
+  /**
+   * Add zoom controls.
+   *
+   * @internal
+   */
+  addZoomControls() {
+    this.zoomControls_ = new ZoomControls(this);
+    const svgZoomControls = this.zoomControls_.createDom();
+    this.svgGroup_.appendChild(svgZoomControls);
+  }
+
+  /**
+   * Add a flyout element in an element with the given tag name.
+   *
+   * @param tagName What type of tag the flyout belongs in.
+   * @returns The element containing the flyout DOM.
+   * @internal
+   */
+  addFlyout(tagName: string | Svg<SVGSVGElement> | Svg<SVGGElement>): Element {
+    const workspaceOptions = new Options({
+      'parentWorkspace': this,
+      'rtl': this.RTL,
+      'oneBasedIndex': this.options.oneBasedIndex,
+      'horizontalLayout': this.horizontalLayout,
+      'renderer': this.options.renderer,
+      'rendererOverrides': this.options.rendererOverrides,
+      'move': {
+        'scrollbars': true,
+      },
+    } as BlocklyOptions);
+    workspaceOptions.toolboxPosition = this.options.toolboxPosition;
+    if (this.horizontalLayout) {
+      const HorizontalFlyout = registry.getClassFromOptions(
+        registry.Type.FLYOUTS_HORIZONTAL_TOOLBOX,
+        this.options,
+        true,
+      );
+      this.flyout = new HorizontalFlyout!(workspaceOptions);
+    } else {
+      const VerticalFlyout = registry.getClassFromOptions(
+        registry.Type.FLYOUTS_VERTICAL_TOOLBOX,
+        this.options,
+        true,
+      );
+      this.flyout = new VerticalFlyout!(workspaceOptions);
+    }
+    this.flyout.autoClose = false;
+    this.flyout.getWorkspace().setVisible(true);
+
+    // Return the element so that callers can place it in their desired
+    // spot in the DOM.  For example, mutator flyouts do not go in the same
+    // place as main workspace flyouts.
+    return this.flyout.createDom(tagName);
+  }
+
+  /**
+   * Getter for the flyout associated with this workspace.  This flyout may be
+   * owned by either the toolbox or the workspace, depending on toolbox
+   * configuration.  It will be null if there is no flyout.
+   *
+   * @param opt_own Whether to only return the workspace's own flyout.
+   * @returns The flyout on this workspace.
+   */
+  getFlyout(opt_own?: boolean): IFlyout | null {
+    if (this.flyout || opt_own) {
+      return this.flyout;
+    }
+    if (this.toolbox_) {
+      return this.toolbox_.getFlyout();
+    }
+    return null;
+  }
+
+  /**
+   * Getter for the toolbox associated with this workspace, if one exists.
+   *
+   * @returns The toolbox on this workspace.
+   */
+  getToolbox(): IToolbox | null {
+    return this.toolbox_;
+  }
+
+  /**
+   * Update items that use screen coordinate calculations
+   * because something has changed (e.g. scroll position, window size).
+   */
+  private updateScreenCalculations_() {
+    this.updateInverseScreenCTM();
+    this.recordDragTargets();
+  }
+
+  /**
+   * If enabled, resize the parts of the workspace that change when the
+   * workspace contents (e.g. block positions) change.  This will also scroll
+   * the workspace contents if needed.
+   *
+   * @internal
+   */
+  resizeContents() {
+    if (!this.resizesEnabled || !this.rendered) {
+      return;
+    }
+    if (this.scrollbar) {
+      this.scrollbar.resize();
+    }
+    this.updateInverseScreenCTM();
+  }
+
+  /**
+   * Resize and reposition all of the workspace chrome (toolbox,
+   * trash, scrollbars etc.)
+   * This should be called when something changes that
+   * requires recalculating dimensions and positions of the
+   * trash, zoom, toolbox, etc. (e.g. window resize).
+   */
+  resize() {
+    if (this.toolbox_) {
+      this.toolbox_.position();
+    }
+    if (this.flyout) {
+      this.flyout.position();
+    }
+
+    const positionables = this.componentManager.getComponents(
+      ComponentManager.Capability.POSITIONABLE,
+      true,
+    );
+    const metrics = this.getMetricsManager().getUiMetrics();
+    const savedPositions = [];
+    for (let i = 0, positionable; (positionable = positionables[i]); i++) {
+      positionable.position(metrics, savedPositions);
+      const boundingRect = positionable.getBoundingRectangle();
+      if (boundingRect) {
+        savedPositions.push(boundingRect);
+      }
+    }
+
+    if (this.scrollbar) {
+      this.scrollbar.resize();
+    }
+    this.updateScreenCalculations_();
+  }
+
+  /**
+   * Resizes and repositions workspace chrome if the page has a new
+   * scroll position.
+   *
+   * @internal
+   */
+  updateScreenCalculationsIfScrolled() {
+    /* eslint-disable indent */
+    const currScroll = svgMath.getDocumentScroll();
+    if (!Coordinate.equals(this.lastRecordedPageScroll, currScroll)) {
+      this.lastRecordedPageScroll = currScroll;
+      this.updateScreenCalculations_();
+    }
+  }
+  /* eslint-enable indent */
+
+  /**
+   * @returns The layer manager for this workspace.
+   */
+  getLayerManager(): LayerManager | null {
+    return this.layerManager;
+  }
+
+  /**
+   * Get the SVG element that forms the drawing surface.
+   *
+   * @returns SVG group element.
+   */
+  getCanvas(): SVGGElement {
+    return this.layerManager!.getBlockLayer();
+  }
+
+  /**
+   * Caches the width and height of the workspace's parent SVG element for use
+   * with getSvgMetrics.
+   *
+   * @param width The width of the parent SVG element.
+   * @param height The height of the parent SVG element
+   * @internal
+   */
+  setCachedParentSvgSize(width: number | null, height: number | null) {
+    const svg = this.getParentSvg();
+    if (width != null) {
+      this.cachedParentSvgSize.width = width;
+      // This is set to support the public (but deprecated) Blockly.svgSize
+      // method.
+      svg.setAttribute('data-cached-width', `${width}`);
+    }
+    if (height != null) {
+      this.cachedParentSvgSize.height = height;
+      // This is set to support the public (but deprecated) Blockly.svgSize
+      // method.
+      svg.setAttribute('data-cached-height', `${height}`);
+    }
+  }
+
+  /**
+   * Get the SVG element that forms the bubble surface.
+   *
+   * @returns SVG group element.
+   */
+  getBubbleCanvas(): SVGGElement {
+    return this.layerManager!.getBubbleLayer();
+  }
+
+  /**
+   * Get the SVG element that contains this workspace.
+   * Note: We assume this is only called after the workspace has been injected
+   * into the DOM.
+   *
+   * @returns SVG element.
+   */
+  getParentSvg(): SVGSVGElement {
+    if (!this.cachedParentSvg) {
+      let element = this.svgGroup_;
+      while (element) {
+        if (element.tagName === 'svg') {
+          this.cachedParentSvg = element;
+          break;
+        }
+        element = element.parentNode as SVGSVGElement;
+      }
+    }
+    return this.cachedParentSvg as SVGSVGElement;
+  }
+
+  /**
+   * Fires a viewport event if events are enabled and there is a change in
+   * viewport values.
+   *
+   * @internal
+   */
+  maybeFireViewportChangeEvent() {
+    if (!eventUtils.isEnabled()) {
+      return;
+    }
+    const scale = this.scale;
+    const top = -this.scrollY;
+    const left = -this.scrollX;
+    if (
+      scale === this.oldScale &&
+      Math.abs(top - this.oldTop) < 1 &&
+      Math.abs(left - this.oldLeft) < 1
+    ) {
+      // Ignore sub-pixel changes in top and left. Due to #4192 there are a lot
+      // of negligible changes in viewport top/left.
+      return;
+    }
+    const event = new (eventUtils.get(eventUtils.VIEWPORT_CHANGE))(
+      top,
+      left,
+      scale,
+      this.id,
+      this.oldScale,
+    );
+    this.oldScale = scale;
+    this.oldTop = top;
+    this.oldLeft = left;
+    eventUtils.fire(event);
+  }
+
+  /**
+   * Translate this workspace to new coordinates.
+   *
+   * @param x Horizontal translation, in pixel units relative to the top left of
+   *     the Blockly div.
+   * @param y Vertical translation, in pixel units relative to the top left of
+   *     the Blockly div.
+   */
+  translate(x: number, y: number) {
+    this.layerManager?.translateLayers(new Coordinate(x, y), this.scale);
+    this.grid?.moveTo(x, y);
+    this.maybeFireViewportChangeEvent();
+  }
+
+  /**
+   * Returns the horizontal offset of the workspace.
+   * Intended for LTR/RTL compatibility in XML.
+   *
+   * @returns Width.
+   */
+  override getWidth(): number {
+    const metrics = this.getMetrics();
+    return metrics ? metrics.viewWidth / this.scale : 0;
+  }
+
+  /**
+   * Toggles the visibility of the workspace.
+   * Currently only intended for main workspace.
+   *
+   * @param isVisible True if workspace should be visible.
+   */
+  setVisible(isVisible: boolean) {
+    this.isVisible_ = isVisible;
+    if (!this.svgGroup_) {
+      return;
+    }
+
+    // Tell the scrollbar whether its container is visible so it can
+    // tell when to hide itself.
+    if (this.scrollbar) {
+      this.scrollbar.setContainerVisible(isVisible);
+    }
+
+    // Tell the flyout whether its container is visible so it can
+    // tell when to hide itself.
+    if (this.getFlyout()) {
+      this.getFlyout()!.setContainerVisible(isVisible);
+    }
+
+    this.getParentSvg().style.display = isVisible ? 'block' : 'none';
+    if (this.toolbox_) {
+      // Currently does not support toolboxes in mutators.
+      this.toolbox_.setVisible(isVisible);
+    }
+    if (!isVisible) {
+      this.hideChaff(true);
+    }
+  }
+
+  /**
+   * Render all blocks in workspace.
+   */
+  render() {
+    // Generate list of all blocks.
+    const blocks = this.getAllBlocks(false);
+    // Render each block.
+    for (let i = blocks.length - 1; i >= 0; i--) {
+      blocks[i].queueRender();
+    }
+
+    this.getTopBlocks()
+      .flatMap((block) => block.getDescendants(false))
+      .filter((block) => block.isInsertionMarker())
+      .forEach((block) => block.queueRender());
+
+    renderManagement
+      .finishQueuedRenders()
+      .then(() => void this.markerManager.updateMarkers());
+  }
+
+  /**
+   * Highlight or unhighlight a block in the workspace.  Block highlighting is
+   * often used to visually mark blocks currently being executed.
+   *
+   * @param id ID of block to highlight/unhighlight, or null for no block (used
+   *     to unhighlight all blocks).
+   * @param opt_state If undefined, highlight specified block and automatically
+   *     unhighlight all others.  If true or false, manually
+   *     highlight/unhighlight the specified block.
+   */
+  highlightBlock(id: string | null, opt_state?: boolean) {
+    if (opt_state === undefined) {
+      // Unhighlight all blocks.
+      for (let i = 0, block; (block = this.highlightedBlocks[i]); i++) {
+        block.setHighlighted(false);
+      }
+      this.highlightedBlocks.length = 0;
+    }
+    // Highlight/unhighlight the specified block.
+    const block = id ? this.getBlockById(id) : null;
+    if (block) {
+      const state = opt_state === undefined || opt_state;
+      // Using Set here would be great, but at the cost of IE10 support.
+      if (!state) {
+        arrayUtils.removeElem(this.highlightedBlocks, block);
+      } else if (!this.highlightedBlocks.includes(block)) {
+        this.highlightedBlocks.push(block);
+      }
+      block.setHighlighted(state);
+    }
+  }
+
+  /**
+   * Refresh the toolbox unless there's a drag in progress.
+   *
+   * @internal
+   */
+  refreshToolboxSelection() {
+    const ws = this.isFlyout ? this.targetWorkspace : this;
+    if (ws && !ws.currentGesture_ && ws.toolbox_ && ws.toolbox_.getFlyout()) {
+      ws.toolbox_.refreshSelection();
+    }
+  }
+
+  /**
+   * Rename a variable by updating its name in the variable map.  Update the
+   *     flyout to show the renamed variable immediately.
+   *
+   * @param id ID of the variable to rename.
+   * @param newName New variable name.
+   */
+  override renameVariableById(id: string, newName: string) {
+    super.renameVariableById(id, newName);
+    this.refreshToolboxSelection();
+  }
+
+  /**
+   * Delete a variable by the passed in ID.   Update the flyout to show
+   *     immediately that the variable is deleted.
+   *
+   * @param id ID of variable to delete.
+   */
+  override deleteVariableById(id: string) {
+    super.deleteVariableById(id);
+    this.refreshToolboxSelection();
+  }
+
+  /**
+   * Create a new variable with the given name.  Update the flyout to show the
+   *     new variable immediately.
+   *
+   * @param name The new variable's name.
+   * @param opt_type The type of the variable like 'int' or 'string'.
+   *     Does not need to be unique. Field_variable can filter variables based
+   * on their type. This will default to '' which is a specific type.
+   * @param opt_id The unique ID of the variable. This will default to a UUID.
+   * @returns The newly created variable.
+   */
+  override createVariable(
+    name: string,
+    opt_type?: string | null,
+    opt_id?: string | null,
+  ): VariableModel {
+    const newVar = super.createVariable(name, opt_type, opt_id);
+    this.refreshToolboxSelection();
+    return newVar;
+  }
+
+  /** Make a list of all the delete areas for this workspace. */
+  recordDragTargets() {
+    const dragTargets = this.componentManager.getComponents(
+      ComponentManager.Capability.DRAG_TARGET,
+      true,
+    );
+
+    this.dragTargetAreas = [];
+    for (let i = 0, targetArea; (targetArea = dragTargets[i]); i++) {
+      const rect = targetArea.getClientRect();
+      if (rect) {
+        this.dragTargetAreas.push({
+          component: targetArea,
+          clientRect: rect,
+        });
+      }
+    }
+  }
+  /* eslint-disable jsdoc/require-returns-check */
+  /* eslint-disable @typescript-eslint/no-unused-vars */
+  /**
+   * Obtain a newly created block.
+   *
+   * @param prototypeName Name of the language object containing type-specific
+   *     functions for this block.
+   * @param opt_id Optional ID.  Use this ID if provided, otherwise create a new
+   *     ID.
+   * @returns The created block.
+   */
+  override newBlock(prototypeName: string, opt_id?: string): BlockSvg {
+    throw new Error(
+      'The implementation of newBlock should be ' +
+        'monkey-patched in by blockly.ts',
+    );
+  }
+
+  /**
+   * Obtain a newly created comment.
+   *
+   * @param id Optional ID.  Use this ID if provided, otherwise create a new
+   *     ID.
+   * @returns The created comment.
+   */
+  newComment(id?: string): WorkspaceComment {
+    throw new Error(
+      'The implementation of newComment should be ' +
+        'monkey-patched in by blockly.ts',
+    );
+  }
+  /* eslint-enable */
+
+  /**
+   * Returns the drag target the pointer event is over.
+   *
+   * @param e Pointer move event.
+   * @returns Null if not over a drag target, or the drag target the event is
+   *     over.
+   */
+  getDragTarget(e: PointerEvent): IDragTarget | null {
+    for (let i = 0, targetArea; (targetArea = this.dragTargetAreas[i]); i++) {
+      if (targetArea.clientRect.contains(e.clientX, e.clientY)) {
+        return targetArea.component;
+      }
+    }
+    return null;
+  }
+
+  /**
+   * Handle a pointerdown on SVG drawing surface.
+   *
+   * @param e Pointer down event.
+   */
+  private onMouseDown_(e: PointerEvent) {
+    const gesture = this.getGesture(e);
+    if (gesture) {
+      gesture.handleWsStart(e, this);
+    }
+  }
+
+  /**
+   * Start tracking a drag of an object on this workspace.
+   *
+   * @param e Pointer down event.
+   * @param xy Starting location of object.
+   */
+  startDrag(e: PointerEvent, xy: Coordinate) {
+    // Record the starting offset between the bubble's location and the mouse.
+    const point = browserEvents.mouseToSvg(
+      e,
+      this.getParentSvg(),
+      this.getInverseScreenCTM(),
+    );
+    // Fix scale of mouse event.
+    point.x /= this.scale;
+    point.y /= this.scale;
+    this.dragDeltaXY = Coordinate.difference(xy, point);
+  }
+
+  /**
+   * Track a drag of an object on this workspace.
+   *
+   * @param e Pointer move event.
+   * @returns New location of object.
+   */
+  moveDrag(e: PointerEvent): Coordinate {
+    const point = browserEvents.mouseToSvg(
+      e,
+      this.getParentSvg(),
+      this.getInverseScreenCTM(),
+    );
+    // Fix scale of mouse event.
+    point.x /= this.scale;
+    point.y /= this.scale;
+    return Coordinate.sum(this.dragDeltaXY!, point);
+  }
+
+  /**
+   * Is the user currently dragging a block or scrolling the flyout/workspace?
+   *
+   * @returns True if currently dragging or scrolling.
+   */
+  isDragging(): boolean {
+    return this.currentGesture_ !== null && this.currentGesture_.isDragging();
+  }
+
+  /**
+   * Is this workspace draggable?
+   *
+   * @returns True if this workspace may be dragged.
+   */
+  isDraggable(): boolean {
+    return this.options.moveOptions && this.options.moveOptions.drag;
+  }
+
+  /**
+   * Is this workspace movable?
+   *
+   * This means the user can reposition the X Y coordinates of the workspace
+   * through input. This can be through scrollbars, scroll wheel, dragging, or
+   * through zooming with the scroll wheel or pinch (since the zoom is centered
+   * on the mouse position). This does not include zooming with the zoom
+   * controls since the X Y coordinates are decided programmatically.
+   *
+   * @returns True if the workspace is movable, false otherwise.
+   */
+  isMovable(): boolean {
+    return (
+      (this.options.moveOptions && !!this.options.moveOptions.scrollbars) ||
+      (this.options.moveOptions && this.options.moveOptions.wheel) ||
+      (this.options.moveOptions && this.options.moveOptions.drag) ||
+      (this.options.zoomOptions && this.options.zoomOptions.wheel) ||
+      (this.options.zoomOptions && this.options.zoomOptions.pinch)
+    );
+  }
+
+  /**
+   * Is this workspace movable horizontally?
+   *
+   * @returns True if the workspace is movable horizontally, false otherwise.
+   */
+  isMovableHorizontally(): boolean {
+    const hasScrollbars = !!this.scrollbar;
+    return (
+      this.isMovable() &&
+      (!hasScrollbars ||
+        (hasScrollbars && this.scrollbar!.canScrollHorizontally()))
+    );
+  }
+
+  /**
+   * Is this workspace movable vertically?
+   *
+   * @returns True if the workspace is movable vertically, false otherwise.
+   */
+  isMovableVertically(): boolean {
+    const hasScrollbars = !!this.scrollbar;
+    return (
+      this.isMovable() &&
+      (!hasScrollbars ||
+        (hasScrollbars && this.scrollbar!.canScrollVertically()))
+    );
+  }
+
+  /**
+   * Handle a mouse-wheel on SVG drawing surface.
+   *
+   * @param e Mouse wheel event.
+   */
+  private onMouseWheel_(e: WheelEvent) {
+    // Don't scroll or zoom anything if drag is in progress.
+    if (Gesture.inProgress()) {
+      e.preventDefault();
+      e.stopPropagation();
+      return;
+    }
+    const canWheelZoom =
+      this.options.zoomOptions && this.options.zoomOptions.wheel;
+    const canWheelMove =
+      this.options.moveOptions && this.options.moveOptions.wheel;
+    if (!canWheelZoom && !canWheelMove) {
+      return;
+    }
+
+    const scrollDelta = browserEvents.getScrollDeltaPixels(e);
+
+    // Zoom should also be enabled by the command key on Mac devices,
+    // but not super on Unix.
+    let commandKey;
+    if (userAgent.MAC) {
+      commandKey = e.metaKey;
+    }
+
+    if (canWheelZoom && (e.ctrlKey || commandKey || !canWheelMove)) {
+      // Zoom.
+      // The vertical scroll distance that corresponds to a click of a zoom
+      // button.
+      const PIXELS_PER_ZOOM_STEP = 50;
+      const delta = -scrollDelta.y / PIXELS_PER_ZOOM_STEP;
+      const position = browserEvents.mouseToSvg(
+        e,
+        this.getParentSvg(),
+        this.getInverseScreenCTM(),
+      );
+      this.zoom(position.x, position.y, delta);
+    } else {
+      // Scroll.
+      let x = this.scrollX - scrollDelta.x;
+      let y = this.scrollY - scrollDelta.y;
+
+      if (e.shiftKey && !scrollDelta.x) {
+        // Scroll horizontally (based on vertical scroll delta).
+        // This is needed as for some browser/system combinations which do not
+        // set deltaX.
+        x = this.scrollX - scrollDelta.y;
+        y = this.scrollY; // Don't scroll vertically.
+      }
+      this.scroll(x, y);
+    }
+    e.preventDefault();
+  }
+
+  /**
+   * Calculate the bounding box for the blocks on the workspace.
+   * Coordinate system: workspace coordinates.
+   *
+   * @returns Contains the position and size of the bounding box containing the
+   *     blocks on the workspace.
+   */
+  getBlocksBoundingBox(): Rect {
+    const topElements = this.getTopBoundedElements();
+    // There are no blocks, return empty rectangle.
+    if (!topElements.length) {
+      return new Rect(0, 0, 0, 0);
+    }
+
+    // Initialize boundary using the first block.
+    const boundary = topElements[0].getBoundingRectangle();
+
+    // Start at 1 since the 0th block was used for initialization.
+    for (let i = 1; i < topElements.length; i++) {
+      const topElement = topElements[i];
+      if (
+        (topElement as any).isInsertionMarker &&
+        (topElement as any).isInsertionMarker()
+      ) {
+        continue;
+      }
+      const blockBoundary = topElement.getBoundingRectangle();
+      if (blockBoundary.top < boundary.top) {
+        boundary.top = blockBoundary.top;
+      }
+      if (blockBoundary.bottom > boundary.bottom) {
+        boundary.bottom = blockBoundary.bottom;
+      }
+      if (blockBoundary.left < boundary.left) {
+        boundary.left = blockBoundary.left;
+      }
+      if (blockBoundary.right > boundary.right) {
+        boundary.right = blockBoundary.right;
+      }
+    }
+    return boundary;
+  }
+
+  /** Clean up the workspace by ordering all the blocks in a column. */
+  cleanUp() {
+    this.setResizesEnabled(false);
+    eventUtils.setGroup(true);
+    const topBlocks = this.getTopBlocks(true);
+    let cursorY = 0;
+    for (let i = 0, block; (block = topBlocks[i]); i++) {
+      if (!block.isMovable()) {
+        continue;
+      }
+      const xy = block.getRelativeToSurfaceXY();
+      block.moveBy(-xy.x, cursorY - xy.y, ['cleanup']);
+      block.snapToGrid();
+      cursorY =
+        block.getRelativeToSurfaceXY().y +
+        block.getHeightWidth().height +
+        this.renderer.getConstants().MIN_BLOCK_HEIGHT;
+    }
+    eventUtils.setGroup(false);
+    this.setResizesEnabled(true);
+  }
+
+  /**
+   * Show the context menu for the workspace.
+   *
+   * @param e Mouse event.
+   * @internal
+   */
+  showContextMenu(e: PointerEvent) {
+    if (this.options.readOnly || this.isFlyout) {
+      return;
+    }
+    const menuOptions = ContextMenuRegistry.registry.getContextMenuOptions(
+      ContextMenuRegistry.ScopeType.WORKSPACE,
+      {workspace: this},
+    );
+
+    // Allow the developer to add or modify menuOptions.
+    if (this.configureContextMenu) {
+      this.configureContextMenu(menuOptions, e);
+    }
+
+    ContextMenu.show(e, menuOptions, this.RTL, this);
+  }
+
+  /**
+   * Modify the block tree on the existing toolbox.
+   *
+   * @param toolboxDef DOM tree of toolbox contents, string of toolbox contents,
+   *     or JSON representing toolbox definition.
+   */
+  updateToolbox(toolboxDef: toolbox.ToolboxDefinition | null) {
+    const parsedToolboxDef = toolbox.convertToolboxDefToJson(toolboxDef);
+
+    if (!parsedToolboxDef) {
+      if (this.options.languageTree) {
+        throw Error("Can't nullify an existing toolbox.");
+      }
+      return; // No change (null to null).
+    }
+    if (!this.options.languageTree) {
+      throw Error("Existing toolbox is null.  Can't create new toolbox.");
+    }
+
+    if (toolbox.hasCategories(parsedToolboxDef)) {
+      if (!this.toolbox_) {
+        throw Error("Existing toolbox has no categories.  Can't change mode.");
+      }
+      this.options.languageTree = parsedToolboxDef;
+      this.toolbox_.render(parsedToolboxDef);
+    } else {
+      if (!this.flyout) {
+        throw Error("Existing toolbox has categories.  Can't change mode.");
+      }
+      this.options.languageTree = parsedToolboxDef;
+      this.flyout.show(parsedToolboxDef);
+    }
+  }
+
+  /** Mark this workspace as the currently focused main workspace. */
+  markFocused() {
+    if (this.options.parentWorkspace) {
+      this.options.parentWorkspace.markFocused();
+    } else {
+      common.setMainWorkspace(this);
+      // We call e.preventDefault in many event handlers which means we
+      // need to explicitly grab focus (e.g from a textarea) because
+      // the browser will not do it for us.
+      this.getParentSvg().focus({preventScroll: true});
+    }
+  }
+
+  /**
+   * Zooms the workspace in or out relative to/centered on the given (x, y)
+   * coordinate.
+   *
+   * @param x X coordinate of center, in pixel units relative to the top-left
+   *     corner of the parentSVG.
+   * @param y Y coordinate of center, in pixel units relative to the top-left
+   *     corner of the parentSVG.
+   * @param amount Amount of zooming. The formula for the new scale is newScale
+   *     = currentScale * (scaleSpeed^amount). scaleSpeed is set in the
+   *     workspace options. Negative amount values zoom out, and positive amount
+   *     values zoom in.
+   */
+  zoom(x: number, y: number, amount: number) {
+    // Scale factor.
+    const speed = this.options.zoomOptions.scaleSpeed;
+    let scaleChange = Math.pow(speed, amount);
+    const newScale = this.scale * scaleChange;
+    if (this.scale === newScale) {
+      return; // No change in zoom.
+    }
+
+    // Clamp scale within valid range.
+    if (newScale > this.options.zoomOptions.maxScale) {
+      scaleChange = this.options.zoomOptions.maxScale / this.scale;
+    } else if (newScale < this.options.zoomOptions.minScale) {
+      scaleChange = this.options.zoomOptions.minScale / this.scale;
+    }
+
+    // Transform the x/y coordinates from the parentSVG's space into the
+    // canvas' space, so that they are in workspace units relative to the top
+    // left of the visible portion of the workspace.
+    let matrix = this.getCanvas().getCTM();
+    let center = this.getParentSvg().createSVGPoint();
+    center.x = x;
+    center.y = y;
+    center = center.matrixTransform(matrix!.inverse());
+    x = center.x;
+    y = center.y;
+
+    // Find the new scrollX/scrollY so that the center remains in the same
+    // position (relative to the center) after we zoom.
+    // newScale and matrix.a should be identical (within a rounding error).
+    matrix = matrix!
+      .translate(x * (1 - scaleChange), y * (1 - scaleChange))
+      .scale(scaleChange);
+    // scrollX and scrollY are in pixels.
+    // The scrollX and scrollY still need to have absoluteLeft and absoluteTop
+    // subtracted from them, but we'll leave that for setScale so that they're
+    // correctly updated for the new flyout size if we have a simple toolbox.
+    this.scrollX = matrix.e;
+    this.scrollY = matrix.f;
+    this.setScale(newScale);
+  }
+
+  /**
+   * Zooming the blocks centered in the center of view with zooming in or out.
+   *
+   * @param type Type of zooming (-1 zooming out and 1 zooming in).
+   */
+  zoomCenter(type: number) {
+    const metrics = this.getMetrics();
+    let x;
+    let y;
+    if (this.flyout) {
+      // If you want blocks in the center of the view (visible portion of the
+      // workspace) to stay centered when the size of the view decreases (i.e.
+      // when the size of the flyout increases) you need the center of the
+      // *blockly div* to stay in the same pixel-position.
+      // Note: This only works because of how scrollCenter positions blocks.
+      x = metrics.svgWidth ? metrics.svgWidth / 2 : 0;
+      y = metrics.svgHeight ? metrics.svgHeight / 2 : 0;
+    } else {
+      x = metrics.viewWidth / 2 + metrics.absoluteLeft;
+      y = metrics.viewHeight / 2 + metrics.absoluteTop;
+    }
+    this.zoom(x, y, type);
+  }
+
+  /** Zoom the blocks to fit in the workspace if possible. */
+  zoomToFit() {
+    if (!this.isMovable()) {
+      console.warn(
+        'Tried to move a non-movable workspace. This could result' +
+          ' in blocks becoming inaccessible.',
+      );
+      return;
+    }
+
+    const metrics = this.getMetrics();
+    let workspaceWidth = metrics.viewWidth;
+    let workspaceHeight = metrics.viewHeight;
+    const blocksBox = this.getBlocksBoundingBox();
+    const doubleMargin = ZOOM_TO_FIT_MARGIN * 2;
+    let blocksWidth = blocksBox.right - blocksBox.left + doubleMargin;
+    let blocksHeight = blocksBox.bottom - blocksBox.top + doubleMargin;
+    if (!blocksWidth) {
+      return; // Prevents zooming to infinity.
+    }
+    if (this.flyout) {
+      // We have to add the flyout size to both the workspace size and the
+      // block size because the blocks we want to resize include the blocks in
+      // the flyout, and the area we want to fit them includes the portion of
+      // the workspace that is behind the flyout.
+      if (this.horizontalLayout) {
+        workspaceHeight += this.flyout.getHeight();
+        // Convert from pixels to workspace coordinates.
+        blocksHeight += this.flyout.getHeight() / this.scale;
+      } else {
+        workspaceWidth += this.flyout.getWidth();
+        // Convert from pixels to workspace coordinates.
+        blocksWidth += this.flyout.getWidth() / this.scale;
+      }
+    }
+
+    // Scale Units: (pixels / workspaceUnit)
+    const ratioX = workspaceWidth / blocksWidth;
+    const ratioY = workspaceHeight / blocksHeight;
+    eventUtils.disable();
+    try {
+      this.setScale(Math.min(ratioX, ratioY));
+      this.scrollCenter();
+    } finally {
+      eventUtils.enable();
+    }
+    this.maybeFireViewportChangeEvent();
+  }
+
+  /**
+   * Add a transition class to the block and bubble canvas, to animate any
+   * transform changes.
+   *
+   * @internal
+   */
+  beginCanvasTransition() {
+    dom.addClass(this.getCanvas(), 'blocklyCanvasTransitioning');
+    dom.addClass(this.getBubbleCanvas(), 'blocklyCanvasTransitioning');
+  }
+
+  /**
+   * Remove transition class from the block and bubble canvas.
+   *
+   * @internal
+   */
+  endCanvasTransition() {
+    dom.removeClass(this.getCanvas(), 'blocklyCanvasTransitioning');
+    dom.removeClass(this.getBubbleCanvas(), 'blocklyCanvasTransitioning');
+  }
+
+  /** Center the workspace. */
+  scrollCenter() {
+    if (!this.isMovable()) {
+      console.warn(
+        'Tried to move a non-movable workspace. This could result' +
+          ' in blocks becoming inaccessible.',
+      );
+      return;
+    }
+
+    const metrics = this.getMetrics();
+    let x = (metrics.scrollWidth - metrics.viewWidth) / 2;
+    let y = (metrics.scrollHeight - metrics.viewHeight) / 2;
+
+    // Convert from workspace directions to canvas directions.
+    x = -x - metrics.scrollLeft;
+    y = -y - metrics.scrollTop;
+    this.scroll(x, y);
+  }
+
+  /**
+   * Scroll the workspace to center on the given block. If the block has other
+   * blocks stacked below it, the workspace will be centered on the stack,
+   * unless blockOnly is true.
+   *
+   * @param id ID of block center on.
+   * @param blockOnly True to center only on the block itself, not its stack.
+   */
+  centerOnBlock(id: string | null, blockOnly?: boolean) {
+    if (!this.isMovable()) {
+      console.warn(
+        'Tried to move a non-movable workspace. This could result' +
+          ' in blocks becoming inaccessible.',
+      );
+      return;
+    }
+
+    const block = id ? this.getBlockById(id) : null;
+    if (!block) {
+      return;
+    }
+
+    // XY is in workspace coordinates.
+    const xy = block.getRelativeToSurfaceXY();
+    // Height/width is in workspace units.
+    const heightWidth = blockOnly
+      ? {height: block.height, width: block.width}
+      : block.getHeightWidth();
+
+    // Find the enter of the block in workspace units.
+    const blockCenterY = xy.y + heightWidth.height / 2;
+
+    // In RTL the block's position is the top right of the block, not top left.
+    const multiplier = this.RTL ? -1 : 1;
+    const blockCenterX = xy.x + (multiplier * heightWidth.width) / 2;
+
+    // Workspace scale, used to convert from workspace coordinates to pixels.
+    const scale = this.scale;
+
+    // Center of block in pixels, relative to workspace origin (center 0,0).
+    // Scrolling to here would put the block in the top-left corner of the
+    // visible workspace.
+    const pixelX = blockCenterX * scale;
+    const pixelY = blockCenterY * scale;
+
+    const metrics = this.getMetrics();
+
+    // viewHeight and viewWidth are in pixels.
+    const halfViewWidth = metrics.viewWidth / 2;
+    const halfViewHeight = metrics.viewHeight / 2;
+
+    // Put the block in the center of the visible workspace instead.
+    const scrollToCenterX = pixelX - halfViewWidth;
+    const scrollToCenterY = pixelY - halfViewHeight;
+
+    // Convert from workspace directions to canvas directions.
+    const x = -scrollToCenterX;
+    const y = -scrollToCenterY;
+
+    this.scroll(x, y);
+  }
+
+  /**
+   * Set the workspace's zoom factor.
+   *
+   * @param newScale Zoom factor. Units: (pixels / workspaceUnit).
+   */
+  setScale(newScale: number) {
+    if (
+      this.options.zoomOptions.maxScale &&
+      newScale > this.options.zoomOptions.maxScale
+    ) {
+      newScale = this.options.zoomOptions.maxScale;
+    } else if (
+      this.options.zoomOptions.minScale &&
+      newScale < this.options.zoomOptions.minScale
+    ) {
+      newScale = this.options.zoomOptions.minScale;
+    }
+    this.scale = newScale;
+
+    this.hideChaff(false);
+    // Get the flyout, if any, whether our own or owned by the toolbox.
+    const flyout = this.getFlyout(false);
+    if (flyout && flyout.isVisible()) {
+      flyout.reflow();
+      this.recordDragTargets();
+    }
+    if (this.grid) {
+      this.grid.update(this.scale);
+    }
+
+    // We call scroll instead of scrollbar.resize() so that we can center the
+    // zoom correctly without scrollbars, but scroll does not resize the
+    // scrollbars so we have to call resizeView/resizeContent as well.
+    const metrics = this.getMetrics();
+
+    this.scrollX -= metrics.absoluteLeft;
+    this.scrollY -= metrics.absoluteTop;
+    // The scroll values and the view values are additive inverses of
+    // each other, so when we subtract from one we have to add to the other.
+    metrics.viewLeft += metrics.absoluteLeft;
+    metrics.viewTop += metrics.absoluteTop;
+
+    this.scroll(this.scrollX, this.scrollY);
+    if (this.scrollbar) {
+      if (this.flyout) {
+        this.scrollbar.resizeView(metrics);
+      } else {
+        this.scrollbar.resizeContent(metrics);
+      }
+    }
+  }
+
+  /**
+   * Get the workspace's zoom factor.  If the workspace has a parent, we call
+   * into the parent to get the workspace scale.
+   *
+   * @returns The workspace zoom factor. Units: (pixels / workspaceUnit).
+   */
+  getScale(): number {
+    if (this.options.parentWorkspace) {
+      return this.options.parentWorkspace.getScale();
+    }
+    return this.scale;
+  }
+
+  /**
+   * Scroll the workspace to a specified offset (in pixels), keeping in the
+   * workspace bounds. See comment on workspaceSvg.scrollX for more detail on
+   * the meaning of these values.
+   *
+   * @param x Target X to scroll to.
+   * @param y Target Y to scroll to.
+   */
+  scroll(x: number, y: number) {
+    this.hideChaff(/* opt_onlyClosePopups= */ true);
+
+    // Keep scrolling within the bounds of the content.
+    const metrics = this.getMetrics();
+    // Canvas coordinates (aka scroll coordinates) have inverse directionality
+    // to workspace coordinates so we have to inverse them.
+    x = Math.min(x, -metrics.scrollLeft);
+    y = Math.min(y, -metrics.scrollTop);
+    const maxXDisplacement = Math.max(
+      0,
+      metrics.scrollWidth - metrics.viewWidth,
+    );
+    const maxXScroll = metrics.scrollLeft + maxXDisplacement;
+    const maxYDisplacement = Math.max(
+      0,
+      metrics.scrollHeight - metrics.viewHeight,
+    );
+    const maxYScroll = metrics.scrollTop + maxYDisplacement;
+    x = Math.max(x, -maxXScroll);
+    y = Math.max(y, -maxYScroll);
+    this.scrollX = x;
+    this.scrollY = y;
+
+    if (this.scrollbar) {
+      // The content position (displacement from the content's top-left to the
+      // origin) plus the scroll position (displacement from the view's top-left
+      // to the origin) gives us the distance from the view's top-left to the
+      // content's top-left. Then we negate this so we get the displacement from
+      // the content's top-left to the view's top-left, matching the
+      // directionality of the scrollbars.
+      this.scrollbar.set(
+        -(x + metrics.scrollLeft),
+        -(y + metrics.scrollTop),
+        false,
+      );
+    }
+    // We have to shift the translation so that when the canvas is at 0, 0 the
+    // workspace origin is not underneath the toolbox.
+    x += metrics.absoluteLeft;
+    y += metrics.absoluteTop;
+    this.translate(x, y);
+  }
+
+  /**
+   * Find the block on this workspace with the specified ID.
+   *
+   * @param id ID of block to find.
+   * @returns The sought after block, or null if not found.
+   */
+  override getBlockById(id: string): BlockSvg | null {
+    return super.getBlockById(id) as BlockSvg;
+  }
+
+  /**
+   * Find all blocks in workspace.  Blocks are optionally sorted
+   * by position; top to bottom (with slight LTR or RTL bias).
+   *
+   * @param ordered Sort the list if true.
+   * @returns Array of blocks.
+   */
+  override getAllBlocks(ordered = false): BlockSvg[] {
+    return super.getAllBlocks(ordered) as BlockSvg[];
+  }
+
+  /**
+   * Finds the top-level blocks and returns them.  Blocks are optionally sorted
+   * by position; top to bottom (with slight LTR or RTL bias).
+   *
+   * @param ordered Sort the list if true.
+   * @returns The top-level block objects.
+   */
+  override getTopBlocks(ordered = false): BlockSvg[] {
+    return super.getTopBlocks(ordered) as BlockSvg[];
+  }
+
+  /**
+   * Adds a block to the list of top blocks.
+   *
+   * @param block Block to add.
+   */
+  override addTopBlock(block: Block) {
+    this.addTopBoundedElement(block as BlockSvg);
+    super.addTopBlock(block);
+  }
+
+  /**
+   * Removes a block from the list of top blocks.
+   *
+   * @param block Block to remove.
+   */
+  override removeTopBlock(block: Block) {
+    this.removeTopBoundedElement(block as BlockSvg);
+    super.removeTopBlock(block);
+  }
+
+  /**
+   * Adds a comment to the list of top comments.
+   *
+   * @param comment comment to add.
+   */
+  override addTopComment(comment: WorkspaceComment) {
+    this.addTopBoundedElement(comment as RenderedWorkspaceComment);
+    super.addTopComment(comment);
+  }
+
+  /**
+   * Removes a comment from the list of top comments.
+   *
+   * @param comment comment to remove.
+   */
+  override removeTopComment(comment: WorkspaceComment) {
+    this.removeTopBoundedElement(comment as RenderedWorkspaceComment);
+    super.removeTopComment(comment);
+  }
+
+  override getRootWorkspace(): WorkspaceSvg | null {
+    return super.getRootWorkspace() as WorkspaceSvg | null;
+  }
+
+  /**
+   * Adds a bounded element to the list of top bounded elements.
+   *
+   * @param element Bounded element to add.
+   */
+  addTopBoundedElement(element: IBoundedElement) {
+    this.topBoundedElements.push(element);
+  }
+
+  /**
+   * Removes a bounded element from the list of top bounded elements.
+   *
+   * @param element Bounded element to remove.
+   */
+  removeTopBoundedElement(element: IBoundedElement) {
+    arrayUtils.removeElem(this.topBoundedElements, element);
+  }
+
+  /**
+   * Finds the top-level bounded elements and returns them.
+   *
+   * @returns The top-level bounded elements.
+   */
+  getTopBoundedElements(): IBoundedElement[] {
+    return new Array<IBoundedElement>().concat(this.topBoundedElements);
+  }
+
+  /**
+   * Update whether this workspace has resizes enabled.
+   * If enabled, workspace will resize when appropriate.
+   * If disabled, workspace will not resize until re-enabled.
+   * Use to avoid resizing during a batch operation, for performance.
+   *
+   * @param enabled Whether resizes should be enabled.
+   */
+  setResizesEnabled(enabled: boolean) {
+    const reenabled = !this.resizesEnabled && enabled;
+    this.resizesEnabled = enabled;
+    if (reenabled) {
+      // Newly enabled.  Trigger a resize.
+      this.resizeContents();
+    }
+  }
+
+  /**
+   * Dispose of all blocks in workspace, with an optimization to prevent
+   * resizes.
+   */
+  override clear() {
+    this.setResizesEnabled(false);
+    super.clear();
+    this.topBoundedElements = [];
+    this.setResizesEnabled(true);
+  }
+
+  /**
+   * Register a callback function associated with a given key, for clicks on
+   * buttons and labels in the flyout.
+   * For instance, a button specified by the XML
+   * <button text="create variable" callbackKey="CREATE_VARIABLE"></button>
+   * should be matched by a call to
+   * registerButtonCallback("CREATE_VARIABLE", yourCallbackFunction).
+   *
+   * @param key The name to use to look up this function.
+   * @param func The function to call when the given button is clicked.
+   */
+  registerButtonCallback(key: string, func: (p1: FlyoutButton) => void) {
+    if (typeof func !== 'function') {
+      throw TypeError('Button callbacks must be functions.');
+    }
+    this.flyoutButtonCallbacks.set(key, func);
+  }
+
+  /**
+   * Get the callback function associated with a given key, for clicks on
+   * buttons and labels in the flyout.
+   *
+   * @param key The name to use to look up the function.
+   * @returns The function corresponding to the given key for this workspace;
+   *     null if no callback is registered.
+   */
+  getButtonCallback(key: string): ((p1: FlyoutButton) => void) | null {
+    return this.flyoutButtonCallbacks.get(key) ?? null;
+  }
+
+  /**
+   * Remove a callback for a click on a button in the flyout.
+   *
+   * @param key The name associated with the callback function.
+   */
+  removeButtonCallback(key: string) {
+    this.flyoutButtonCallbacks.delete(key);
+  }
+
+  /**
+   * Register a callback function associated with a given key, for populating
+   * custom toolbox categories in this workspace.  See the variable and
+   * procedure categories as an example.
+   *
+   * @param key The name to use to look up this function.
+   * @param func The function to call when the given toolbox category is opened.
+   */
+  registerToolboxCategoryCallback(
+    key: string,
+    func: (p1: WorkspaceSvg) => toolbox.FlyoutDefinition,
+  ) {
+    if (typeof func !== 'function') {
+      throw TypeError('Toolbox category callbacks must be functions.');
+    }
+    this.toolboxCategoryCallbacks.set(key, func);
+  }
+
+  /**
+   * Get the callback function associated with a given key, for populating
+   * custom toolbox categories in this workspace.
+   *
+   * @param key The name to use to look up the function.
+   * @returns The function corresponding to the given key for this workspace, or
+   *     null if no function is registered.
+   */
+  getToolboxCategoryCallback(
+    key: string,
+  ): ((p1: WorkspaceSvg) => toolbox.FlyoutDefinition) | null {
+    return this.toolboxCategoryCallbacks.get(key) || null;
+  }
+
+  /**
+   * Remove a callback for a click on a custom category's name in the toolbox.
+   *
+   * @param key The name associated with the callback function.
+   */
+  removeToolboxCategoryCallback(key: string) {
+    this.toolboxCategoryCallbacks.delete(key);
+  }
+
+  /**
+   * Look up the gesture that is tracking this touch stream on this workspace.
+   * May create a new gesture.
+   *
+   * @param e Pointer event.
+   * @returns The gesture that is tracking this touch stream, or null if no
+   *     valid gesture exists.
+   * @internal
+   */
+  getGesture(e: PointerEvent): Gesture | null {
+    const isStart = e.type === 'pointerdown';
+
+    const gesture = this.currentGesture_;
+    if (gesture) {
+      if (isStart && gesture.hasStarted()) {
+        console.warn('Tried to start the same gesture twice.');
+        // That's funny.  We must have missed a mouse up.
+        // Cancel it, rather than try to retrieve all of the state we need.
+        gesture.cancel();
+        return null;
+      }
+      return gesture;
+    }
+
+    // No gesture existed on this workspace, but this looks like the start of a
+    // new gesture.
+    if (isStart) {
+      this.currentGesture_ = new Gesture(e, this);
+      return this.currentGesture_;
+    }
+    // No gesture existed and this event couldn't be the start of a new gesture.
+    return null;
+  }
+
+  /**
+   * Clear the reference to the current gesture.
+   *
+   * @internal
+   */
+  clearGesture() {
+    this.currentGesture_ = null;
+  }
+
+  /**
+   * Cancel the current gesture, if one exists.
+   *
+   * @internal
+   */
+  cancelCurrentGesture() {
+    if (this.currentGesture_) {
+      this.currentGesture_.cancel();
+    }
+  }
+
+  /**
+   * Get the audio manager for this workspace.
+   *
+   * @returns The audio manager for this workspace.
+   */
+  getAudioManager(): WorkspaceAudio {
+    return this.audioManager;
+  }
+
+  /**
+   * Get the grid object for this workspace, or null if there is none.
+   *
+   * @returns The grid object for this workspace.
+   */
+  getGrid(): Grid | null {
+    return this.grid;
+  }
+
+  /**
+   * Close tooltips, context menus, dropdown selections, etc.
+   *
+   * @param onlyClosePopups Whether only popups should be closed. Defaults to
+   *     false.
+   */
+  hideChaff(onlyClosePopups = false) {
+    Tooltip.hide();
+    WidgetDiv.hideIfOwnerIsInWorkspace(this);
+    dropDownDiv.hideWithoutAnimation();
+
+    this.hideComponents(onlyClosePopups);
+  }
+
+  /**
+   * Hide any autohideable components (like flyout, trashcan, and any
+   * user-registered components).
+   *
+   * @param onlyClosePopups Whether only popups should be closed. Defaults to
+   *     false.
+   */
+  hideComponents(onlyClosePopups = false) {
+    const autoHideables = this.getComponentManager().getComponents(
+      ComponentManager.Capability.AUTOHIDEABLE,
+      true,
+    );
+    autoHideables.forEach((autoHideable) =>
+      autoHideable.autoHide(onlyClosePopups),
+    );
+  }
+
+  /**
+   * Sets the X/Y translations of a top level workspace.
+   *
+   * @param xyRatio Contains an x and/or y property which is a float between 0
+   *     and 1 specifying the degree of scrolling.
+   */
+  private static setTopLevelWorkspaceMetrics_(
+    this: WorkspaceSvg,
+    xyRatio: {x?: number; y?: number},
+  ) {
+    const metrics = this.getMetrics();
+
+    if (typeof xyRatio.x === 'number') {
+      this.scrollX = -(
+        metrics.scrollLeft +
+        (metrics.scrollWidth - metrics.viewWidth) * xyRatio.x
+      );
+    }
+    if (typeof xyRatio.y === 'number') {
+      this.scrollY = -(
+        metrics.scrollTop +
+        (metrics.scrollHeight - metrics.viewHeight) * xyRatio.y
+      );
+    }
+    // We have to shift the translation so that when the canvas is at 0, 0 the
+    // workspace origin is not underneath the toolbox.
+    const x = this.scrollX + metrics.absoluteLeft;
+    const y = this.scrollY + metrics.absoluteTop;
+    // We could call scroll here, but that has extra checks we don't need to do.
+    this.translate(x, y);
+  }
+}
+
+/**
+ * Size the workspace when the contents change.  This also updates
+ * scrollbars accordingly.
+ *
+ * @param workspace The workspace to resize.
+ * @internal
+ */
+export function resizeSvgContents(workspace: WorkspaceSvg) {
+  workspace.resizeContents();
+}
diff --git a/core/ws_comment_events.js b/core/ws_comment_events.js
deleted file mode 100644
index 82369fd3715..00000000000
--- a/core/ws_comment_events.js
+++ /dev/null
@@ -1,417 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Classes for all comment events.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.Events.CommentBase');
-goog.provide('Blockly.Events.CommentChange');
-goog.provide('Blockly.Events.CommentCreate');
-goog.provide('Blockly.Events.CommentDelete');
-goog.provide('Blockly.Events.CommentMove');
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.Abstract');
-goog.require('Blockly.registry');
-goog.require('Blockly.utils.Coordinate');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.xml');
-// TODO: Fix recursive dependency.
-// goog.require('Blockly.Xml');
-
-
-/**
- * Abstract class for a comment event.
- * @param {!Blockly.WorkspaceComment=} opt_comment The comment this event
- *     corresponds to.  Undefined for a blank event.
- * @extends {Blockly.Events.Abstract}
- * @constructor
- */
-Blockly.Events.CommentBase = function(opt_comment) {
-
-  /**
-   * Whether or not an event is blank.
-   * @type {boolean}
-   */
-  this.isBlank = typeof opt_comment == 'undefined';
-
-  /**
-   * The ID of the comment this event pertains to.
-   * @type {string}
-   */
-  this.commentId = this.isBlank ? '' : opt_comment.id;
-
-  /**
-   * The workspace identifier for this event.
-   * @type {string}
-   */
-  this.workspaceId = this.isBlank ? '' : opt_comment.workspace.id;
-
-  /**
-   * The event group id for the group this event belongs to. Groups define
-   * events that should be treated as an single action from the user's
-   * perspective, and should be undone together.
-   * @type {string}
-   */
-  this.group = Blockly.Events.getGroup();
-
-  /**
-   * Sets whether the event should be added to the undo stack.
-   * @type {boolean}
-   */
-  this.recordUndo = Blockly.Events.recordUndo;
-};
-Blockly.utils.object.inherits(Blockly.Events.CommentBase,
-    Blockly.Events.Abstract);
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-Blockly.Events.CommentBase.prototype.toJson = function() {
-  var json = Blockly.Events.CommentBase.superClass_.toJson.call(this);
-  if (this.commentId) {
-    json['commentId'] = this.commentId;
-  }
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.CommentBase.prototype.fromJson = function(json) {
-  Blockly.Events.CommentBase.superClass_.fromJson.call(this, json);
-  this.commentId = json['commentId'];
-};
-
-/**
- * Class for a comment change event.
- * @param {!Blockly.WorkspaceComment=} opt_comment The comment that is being
- *     changed.  Undefined for a blank event.
- * @param {string=} opt_oldContents Previous contents of the comment.
- * @param {string=} opt_newContents New contents of the comment.
- * @extends {Blockly.Events.CommentBase}
- * @constructor
- */
-Blockly.Events.CommentChange = function(opt_comment, opt_oldContents,
-    opt_newContents) {
-  Blockly.Events.CommentChange.superClass_.constructor.call(this, opt_comment);
-  if (!opt_comment) {
-    return;  // Blank event to be populated by fromJson.
-  }
-
-  this.oldContents_ = typeof opt_oldContents == 'undefined' ? '' :
-      opt_oldContents;
-  this.newContents_ = typeof opt_newContents == 'undefined' ? '' :
-      opt_newContents;
-};
-Blockly.utils.object.inherits(Blockly.Events.CommentChange,
-    Blockly.Events.CommentBase);
-
-/**
- * Type of this event.
- * @type {string}
- */
-Blockly.Events.CommentChange.prototype.type = Blockly.Events.COMMENT_CHANGE;
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-Blockly.Events.CommentChange.prototype.toJson = function() {
-  var json = Blockly.Events.CommentChange.superClass_.toJson.call(this);
-  json['newContents'] = this.newContents_;
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.CommentChange.prototype.fromJson = function(json) {
-  Blockly.Events.CommentChange.superClass_.fromJson.call(this, json);
-  this.newContents_ = json['newValue'];
-};
-
-/**
- * Does this event record any change of state?
- * @return {boolean} False if something changed.
- */
-Blockly.Events.CommentChange.prototype.isNull = function() {
-  return this.oldContents_ == this.newContents_;
-};
-
-/**
- * Run a change event.
- * @param {boolean} forward True if run forward, false if run backward (undo).
- */
-Blockly.Events.CommentChange.prototype.run = function(forward) {
-  var workspace = this.getEventWorkspace_();
-  var comment = workspace.getCommentById(this.commentId);
-  if (!comment) {
-    console.warn('Can\'t change non-existent comment: ' + this.commentId);
-    return;
-  }
-  var contents = forward ? this.newContents_ : this.oldContents_;
-
-  comment.setContent(contents);
-};
-
-/**
- * Class for a comment creation event.
- * @param {!Blockly.WorkspaceComment=} opt_comment The created comment.
- *     Undefined for a blank event.
- * @extends {Blockly.Events.CommentBase}
- * @constructor
- */
-Blockly.Events.CommentCreate = function(opt_comment) {
-  Blockly.Events.CommentCreate.superClass_.constructor.call(this, opt_comment);
-  if (!opt_comment) {
-    return;  // Blank event to be populated by fromJson.
-  }
-
-  this.xml = opt_comment.toXmlWithXY();
-};
-Blockly.utils.object.inherits(Blockly.Events.CommentCreate,
-    Blockly.Events.CommentBase);
-
-/**
- * Type of this event.
- * @type {string}
- */
-Blockly.Events.CommentCreate.prototype.type = Blockly.Events.COMMENT_CREATE;
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-// TODO (#1266): "Full" and "minimal" serialization.
-Blockly.Events.CommentCreate.prototype.toJson = function() {
-  var json = Blockly.Events.CommentCreate.superClass_.toJson.call(this);
-  json['xml'] = Blockly.Xml.domToText(this.xml);
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.CommentCreate.prototype.fromJson = function(json) {
-  Blockly.Events.CommentCreate.superClass_.fromJson.call(this, json);
-  this.xml = Blockly.Xml.textToDom(json['xml']);
-};
-
-/**
- * Run a creation event.
- * @param {boolean} forward True if run forward, false if run backward (undo).
- */
-Blockly.Events.CommentCreate.prototype.run = function(forward) {
-  Blockly.Events.CommentCreateDeleteHelper(this, forward);
-};
-
-/**
- * Helper function for Comment[Create|Delete]
- * @param {!Blockly.Events.CommentCreate|!Blockly.Events.CommentDelete} event
- *     The event to run.
- * @param {boolean} create if True then Create, if False then Delete
- */
-Blockly.Events.CommentCreateDeleteHelper = function(event, create) {
-  var workspace = event.getEventWorkspace_();
-  if (create) {
-    var xml = Blockly.utils.xml.createElement('xml');
-    xml.appendChild(event.xml);
-    Blockly.Xml.domToWorkspace(xml, workspace);
-  } else {
-    var comment = workspace.getCommentById(event.commentId);
-    if (comment) {
-      comment.dispose(false, false);
-    } else {
-      // Only complain about root-level block.
-      console.warn("Can't uncreate non-existent comment: " + event.commentId);
-    }
-  }
-};
-/**
- * Class for a comment deletion event.
- * @param {!Blockly.WorkspaceComment=} opt_comment The deleted comment.
- *     Undefined for a blank event.
- * @extends {Blockly.Events.CommentBase}
- * @constructor
- */
-Blockly.Events.CommentDelete = function(opt_comment) {
-  Blockly.Events.CommentDelete.superClass_.constructor.call(this, opt_comment);
-  if (!opt_comment) {
-    return;  // Blank event to be populated by fromJson.
-  }
-
-  this.xml = opt_comment.toXmlWithXY();
-};
-Blockly.utils.object.inherits(Blockly.Events.CommentDelete,
-    Blockly.Events.CommentBase);
-
-/**
- * Type of this event.
- * @type {string}
- */
-Blockly.Events.CommentDelete.prototype.type = Blockly.Events.COMMENT_DELETE;
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-// TODO (#1266): "Full" and "minimal" serialization.
-Blockly.Events.CommentDelete.prototype.toJson = function() {
-  var json = Blockly.Events.CommentDelete.superClass_.toJson.call(this);
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.CommentDelete.prototype.fromJson = function(json) {
-  Blockly.Events.CommentDelete.superClass_.fromJson.call(this, json);
-};
-
-/**
- * Run a creation event.
- * @param {boolean} forward True if run forward, false if run backward (undo).
- */
-Blockly.Events.CommentDelete.prototype.run = function(forward) {
-  Blockly.Events.CommentCreateDeleteHelper(this, !forward);
-};
-
-/**
- * Class for a comment move event.  Created before the move.
- * @param {!Blockly.WorkspaceComment=} opt_comment The comment that is being
- *     moved.  Undefined for a blank event.
- * @extends {Blockly.Events.CommentBase}
- * @constructor
- */
-Blockly.Events.CommentMove = function(opt_comment) {
-  Blockly.Events.CommentMove.superClass_.constructor.call(this, opt_comment);
-  if (!opt_comment) {
-    return;  // Blank event to be populated by fromJson.
-  }
-
-  /**
-   * The comment that is being moved.  Will be cleared after recording the new
-   * location.
-   * @type {Blockly.WorkspaceComment}
-   */
-  this.comment_ = opt_comment;
-
-  /**
-   * The location before the move, in workspace coordinates.
-   * @type {!Blockly.utils.Coordinate}
-   */
-  this.oldCoordinate_ = opt_comment.getXY();
-
-  /**
-   * The location after the move, in workspace coordinates.
-   * @type {Blockly.utils.Coordinate}
-   */
-  this.newCoordinate_ = null;
-};
-Blockly.utils.object.inherits(Blockly.Events.CommentMove,
-    Blockly.Events.CommentBase);
-
-/**
- * Record the comment's new location.  Called after the move.  Can only be
- * called once.
- */
-Blockly.Events.CommentMove.prototype.recordNew = function() {
-  if (!this.comment_) {
-    throw Error('Tried to record the new position of a comment on the ' +
-        'same event twice.');
-  }
-  this.newCoordinate_ = this.comment_.getXY();
-  this.comment_ = null;
-};
-
-/**
- * Type of this event.
- * @type {string}
- */
-Blockly.Events.CommentMove.prototype.type = Blockly.Events.COMMENT_MOVE;
-
-/**
- * Override the location before the move.  Use this if you don't create the
- * event until the end of the move, but you know the original location.
- * @param {!Blockly.utils.Coordinate} xy The location before the move,
- *     in workspace coordinates.
- */
-Blockly.Events.CommentMove.prototype.setOldCoordinate = function(xy) {
-  this.oldCoordinate_ = xy;
-};
-
-/**
- * Encode the event as JSON.
- * @return {!Object} JSON representation.
- */
-// TODO (#1266): "Full" and "minimal" serialization.
-Blockly.Events.CommentMove.prototype.toJson = function() {
-  var json = Blockly.Events.CommentMove.superClass_.toJson.call(this);
-  if (this.newCoordinate_) {
-    json['newCoordinate'] = Math.round(this.newCoordinate_.x) + ',' +
-        Math.round(this.newCoordinate_.y);
-  }
-  return json;
-};
-
-/**
- * Decode the JSON event.
- * @param {!Object} json JSON representation.
- */
-Blockly.Events.CommentMove.prototype.fromJson = function(json) {
-  Blockly.Events.CommentMove.superClass_.fromJson.call(this, json);
-
-  if (json['newCoordinate']) {
-    var xy = json['newCoordinate'].split(',');
-    this.newCoordinate_ =
-        new Blockly.utils.Coordinate(Number(xy[0]), Number(xy[1]));
-  }
-};
-
-/**
- * Does this event record any change of state?
- * @return {boolean} False if something changed.
- */
-Blockly.Events.CommentMove.prototype.isNull = function() {
-  return Blockly.utils.Coordinate.equals(this.oldCoordinate_,
-      this.newCoordinate_);
-};
-
-/**
- * Run a move event.
- * @param {boolean} forward True if run forward, false if run backward (undo).
- */
-Blockly.Events.CommentMove.prototype.run = function(forward) {
-  var workspace = this.getEventWorkspace_();
-  var comment = workspace.getCommentById(this.commentId);
-  if (!comment) {
-    console.warn('Can\'t move non-existent comment: ' + this.commentId);
-    return;
-  }
-
-  var target = forward ? this.newCoordinate_ : this.oldCoordinate_;
-  // TODO: Check if the comment is being dragged, and give up if so.
-  var current = comment.getXY();
-  comment.moveBy(target.x - current.x, target.y - current.y);
-};
-
-Blockly.registry.register(Blockly.registry.Type.EVENT,
-    Blockly.Events.COMMENT_CREATE, Blockly.Events.CommentCreate);
-Blockly.registry.register(Blockly.registry.Type.EVENT,
-    Blockly.Events.COMMENT_CHANGE, Blockly.Events.CommentChange);
-Blockly.registry.register(Blockly.registry.Type.EVENT,
-    Blockly.Events.COMMENT_MOVE, Blockly.Events.CommentMove);
-Blockly.registry.register(Blockly.registry.Type.EVENT,
-    Blockly.Events.COMMENT_DELETE, Blockly.Events.CommentDelete);
diff --git a/core/xml.js b/core/xml.js
deleted file mode 100644
index 6fa10c5a3e7..00000000000
--- a/core/xml.js
+++ /dev/null
@@ -1,827 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview XML reader and writer.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * @name Blockly.Xml
- * @namespace
- */
-goog.provide('Blockly.Xml');
-
-goog.require('Blockly.Events');
-goog.require('Blockly.Events.BlockCreate');
-goog.require('Blockly.Events.FinishedLoading');
-goog.require('Blockly.Events.VarCreate');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.global');
-goog.require('Blockly.utils.xml');
-
-
-/**
- * Encode a block tree as XML.
- * @param {!Blockly.Workspace} workspace The workspace containing blocks.
- * @param {boolean=} opt_noId True if the encoder should skip the block IDs.
- * @return {!Element} XML DOM element.
- */
-Blockly.Xml.workspaceToDom = function(workspace, opt_noId) {
-  var xml = Blockly.utils.xml.createElement('xml');
-  var variablesElement = Blockly.Xml.variablesToDom(
-      Blockly.Variables.allUsedVarModels(workspace));
-  if (variablesElement.hasChildNodes()) {
-    xml.appendChild(variablesElement);
-  }
-  var comments = workspace.getTopComments(true);
-  for (var i = 0, comment; (comment = comments[i]); i++) {
-    xml.appendChild(comment.toXmlWithXY(opt_noId));
-  }
-  var blocks = workspace.getTopBlocks(true);
-  for (var i = 0, block; (block = blocks[i]); i++) {
-    xml.appendChild(Blockly.Xml.blockToDomWithXY(block, opt_noId));
-  }
-  return xml;
-};
-
-/**
- * Encode a list of variables as XML.
- * @param {!Array.<!Blockly.VariableModel>} variableList List of all variable
- *     models.
- * @return {!Element} Tree of XML elements.
- */
-Blockly.Xml.variablesToDom = function(variableList) {
-  var variables = Blockly.utils.xml.createElement('variables');
-  for (var i = 0, variable; (variable = variableList[i]); i++) {
-    var element = Blockly.utils.xml.createElement('variable');
-    element.appendChild(Blockly.utils.xml.createTextNode(variable.name));
-    if (variable.type) {
-      element.setAttribute('type', variable.type);
-    }
-    element.id = variable.getId();
-    variables.appendChild(element);
-  }
-  return variables;
-};
-
-/**
- * Encode a block subtree as XML with XY coordinates.
- * @param {!Blockly.Block} block The root block to encode.
- * @param {boolean=} opt_noId True if the encoder should skip the block ID.
- * @return {!Element|!DocumentFragment} Tree of XML elements or an empty document
- *     fragment if the block was an insertion marker.
- */
-Blockly.Xml.blockToDomWithXY = function(block, opt_noId) {
-  if (block.isInsertionMarker()) {  // Skip over insertion markers.
-    block = block.getChildren(false)[0];
-    if (!block) {
-      // Disappears when appended.
-      return new DocumentFragment();
-    }
-  }
-
-  var width;  // Not used in LTR.
-  if (block.workspace.RTL) {
-    width = block.workspace.getWidth();
-  }
-
-  var element = Blockly.Xml.blockToDom(block, opt_noId);
-  var xy = block.getRelativeToSurfaceXY();
-  element.setAttribute('x',
-      Math.round(block.workspace.RTL ? width - xy.x : xy.x));
-  element.setAttribute('y', Math.round(xy.y));
-  return element;
-};
-
-/**
- * Encode a field as XML.
- * @param {!Blockly.Field} field The field to encode.
- * @return {Element} XML element, or null if the field did not need to be
- *     serialized.
- * @private
- */
-Blockly.Xml.fieldToDom_ = function(field) {
-  if (field.isSerializable()) {
-    var container = Blockly.utils.xml.createElement('field');
-    container.setAttribute('name', field.name || '');
-    return field.toXml(container);
-  }
-  return null;
-};
-
-/**
- * Encode all of a block's fields as XML and attach them to the given tree of
- * XML elements.
- * @param {!Blockly.Block} block A block with fields to be encoded.
- * @param {!Element} element The XML element to which the field DOM should be
- *     attached.
- * @private
- */
-Blockly.Xml.allFieldsToDom_ = function(block, element) {
-  for (var i = 0, input; (input = block.inputList[i]); i++) {
-    for (var j = 0, field; (field = input.fieldRow[j]); j++) {
-      var fieldDom = Blockly.Xml.fieldToDom_(field);
-      if (fieldDom) {
-        element.appendChild(fieldDom);
-      }
-    }
-  }
-};
-
-/**
- * Encode a block subtree as XML.
- * @param {!Blockly.Block} block The root block to encode.
- * @param {boolean=} opt_noId True if the encoder should skip the block ID.
- * @return {!Element|!DocumentFragment} Tree of XML elements or an empty document
- *     fragment if the block was an insertion marker.
- */
-Blockly.Xml.blockToDom = function(block, opt_noId) {
-  // Skip over insertion markers.
-  if (block.isInsertionMarker()) {
-    var child = block.getChildren(false)[0];
-    if (child) {
-      return Blockly.Xml.blockToDom(child);
-    } else {
-      // Disappears when appended.
-      return new DocumentFragment();
-    }
-  }
-
-
-  var element =
-      Blockly.utils.xml.createElement(block.isShadow() ? 'shadow' : 'block');
-  element.setAttribute('type', block.type);
-  if (!opt_noId) {
-    // It's important to use setAttribute here otherwise IE11 won't serialize
-    // the block's id when domToText is called.
-    element.setAttribute('id', block.id);
-  }
-  if (block.mutationToDom) {
-    // Custom data for an advanced block.
-    var mutation = block.mutationToDom();
-    if (mutation && (mutation.hasChildNodes() || mutation.hasAttributes())) {
-      element.appendChild(mutation);
-    }
-  }
-
-  Blockly.Xml.allFieldsToDom_(block, element);
-
-  var commentText = block.getCommentText();
-  if (commentText) {
-    var size = block.commentModel.size;
-    var pinned = block.commentModel.pinned;
-
-    var commentElement = Blockly.utils.xml.createElement('comment');
-    commentElement.appendChild(Blockly.utils.xml.createTextNode(commentText));
-    commentElement.setAttribute('pinned', pinned);
-    commentElement.setAttribute('h', size.height);
-    commentElement.setAttribute('w', size.width);
-
-    element.appendChild(commentElement);
-  }
-
-  if (block.data) {
-    var dataElement = Blockly.utils.xml.createElement('data');
-    dataElement.appendChild(Blockly.utils.xml.createTextNode(block.data));
-    element.appendChild(dataElement);
-  }
-
-  for (var i = 0, input; (input = block.inputList[i]); i++) {
-    var container;
-    var empty = true;
-    if (input.type == Blockly.DUMMY_INPUT) {
-      continue;
-    } else {
-      var childBlock = input.connection.targetBlock();
-      if (input.type == Blockly.INPUT_VALUE) {
-        container = Blockly.utils.xml.createElement('value');
-      } else if (input.type == Blockly.NEXT_STATEMENT) {
-        container = Blockly.utils.xml.createElement('statement');
-      }
-      var shadow = input.connection.getShadowDom();
-      if (shadow && (!childBlock || !childBlock.isShadow())) {
-        container.appendChild(Blockly.Xml.cloneShadow_(shadow, opt_noId));
-      }
-      if (childBlock) {
-        var elem = Blockly.Xml.blockToDom(childBlock, opt_noId);
-        if (elem.nodeType == Blockly.utils.dom.NodeType.ELEMENT_NODE) {
-          container.appendChild(elem);
-          empty = false;
-        }
-      }
-    }
-    container.setAttribute('name', input.name);
-    if (!empty) {
-      element.appendChild(container);
-    }
-  }
-  if (block.inputsInline != undefined &&
-      block.inputsInline != block.inputsInlineDefault) {
-    element.setAttribute('inline', block.inputsInline);
-  }
-  if (block.isCollapsed()) {
-    element.setAttribute('collapsed', true);
-  }
-  if (!block.isEnabled()) {
-    element.setAttribute('disabled', true);
-  }
-  if (!block.isDeletable() && !block.isShadow()) {
-    element.setAttribute('deletable', false);
-  }
-  if (!block.isMovable() && !block.isShadow()) {
-    element.setAttribute('movable', false);
-  }
-  if (!block.isEditable()) {
-    element.setAttribute('editable', false);
-  }
-
-  var nextBlock = block.getNextBlock();
-  if (nextBlock) {
-    var elem = Blockly.Xml.blockToDom(nextBlock, opt_noId);
-    if (elem.nodeType == Blockly.utils.dom.NodeType.ELEMENT_NODE) {
-      var container = Blockly.utils.xml.createElement('next');
-      container.appendChild(elem);
-      element.appendChild(container);
-    }
-  }
-  var shadow = block.nextConnection && block.nextConnection.getShadowDom();
-  if (shadow && (!nextBlock || !nextBlock.isShadow())) {
-    container.appendChild(Blockly.Xml.cloneShadow_(shadow, opt_noId));
-  }
-
-  return element;
-};
-
-/**
- * Deeply clone the shadow's DOM so that changes don't back-wash to the block.
- * @param {!Element} shadow A tree of XML elements.
- * @param {boolean=} opt_noId True if the encoder should skip the block ID.
- * @return {!Element} A tree of XML elements.
- * @private
- */
-Blockly.Xml.cloneShadow_ = function(shadow, opt_noId) {
-  shadow = shadow.cloneNode(true);
-  // Walk the tree looking for whitespace.  Don't prune whitespace in a tag.
-  var node = shadow;
-  var textNode;
-  while (node) {
-    if (opt_noId && node.nodeName == 'shadow') {
-      // Strip off IDs from shadow blocks.  There should never be a 'block' as
-      // a child of a 'shadow', so no need to check that.
-      node.removeAttribute('id');
-    }
-    if (node.firstChild) {
-      node = node.firstChild;
-    } else {
-      while (node && !node.nextSibling) {
-        textNode = node;
-        node = node.parentNode;
-        if (textNode.nodeType == Blockly.utils.dom.NodeType.TEXT_NODE &&
-            textNode.data.trim() == '' && node.firstChild != textNode) {
-          // Prune whitespace after a tag.
-          Blockly.utils.dom.removeNode(textNode);
-        }
-      }
-      if (node) {
-        textNode = node;
-        node = node.nextSibling;
-        if (textNode.nodeType == Blockly.utils.dom.NodeType.TEXT_NODE &&
-            textNode.data.trim() == '') {
-          // Prune whitespace before a tag.
-          Blockly.utils.dom.removeNode(textNode);
-        }
-      }
-    }
-  }
-  return shadow;
-};
-
-/**
- * Converts a DOM structure into plain text.
- * Currently the text format is fairly ugly: all one line with no whitespace,
- * unless the DOM itself has whitespace built-in.
- * @param {!Node} dom A tree of XML nodes.
- * @return {string} Text representation.
- */
-Blockly.Xml.domToText = function(dom) {
-  var text = Blockly.utils.xml.domToText(dom);
-  // Unpack self-closing tags.  These tags fail when embedded in HTML.
-  // <block name="foo"/> -> <block name="foo"></block>
-  return text.replace(/<(\w+)([^<]*)\/>/g, '<$1$2></$1>');
-};
-
-/**
- * Converts a DOM structure into properly indented text.
- * @param {!Node} dom A tree of XML elements.
- * @return {string} Text representation.
- */
-Blockly.Xml.domToPrettyText = function(dom) {
-  // This function is not guaranteed to be correct for all XML.
-  // But it handles the XML that Blockly generates.
-  var blob = Blockly.Xml.domToText(dom);
-  // Place every open and close tag on its own line.
-  var lines = blob.split('<');
-  // Indent every line.
-  var indent = '';
-  for (var i = 1; i < lines.length; i++) {
-    var line = lines[i];
-    if (line[0] == '/') {
-      indent = indent.substring(2);
-    }
-    lines[i] = indent + '<' + line;
-    if (line[0] != '/' && line.slice(-2) != '/>') {
-      indent += '  ';
-    }
-  }
-  // Pull simple tags back together.
-  // E.g. <foo></foo>
-  var text = lines.join('\n');
-  text = text.replace(/(<(\w+)\b[^>]*>[^\n]*)\n *<\/\2>/g, '$1</$2>');
-  // Trim leading blank line.
-  return text.replace(/^\n/, '');
-};
-
-/**
- * Converts an XML string into a DOM structure.
- * @param {string} text An XML string.
- * @return {!Element} A DOM object representing the singular child of the
- *     document element.
- * @throws if the text doesn't parse.
- */
-Blockly.Xml.textToDom = function(text) {
-  var doc = Blockly.utils.xml.textToDomDocument(text);
-  if (!doc || !doc.documentElement ||
-      doc.getElementsByTagName('parsererror').length) {
-    throw Error('textToDom was unable to parse: ' + text);
-  }
-  return doc.documentElement;
-};
-
-/**
- * Clear the given workspace then decode an XML DOM and
- * create blocks on the workspace.
- * @param {!Element} xml XML DOM.
- * @param {!Blockly.Workspace} workspace The workspace.
- * @return {Array.<string>} An array containing new block ids.
- */
-Blockly.Xml.clearWorkspaceAndLoadFromXml = function(xml, workspace) {
-  workspace.setResizesEnabled(false);
-  workspace.clear();
-  var blockIds = Blockly.Xml.domToWorkspace(xml, workspace);
-  workspace.setResizesEnabled(true);
-  return blockIds;
-};
-
-/**
- * Decode an XML DOM and create blocks on the workspace.
- * @param {!Element} xml XML DOM.
- * @param {!Blockly.Workspace} workspace The workspace.
- * @return {!Array.<string>} An array containing new block IDs.
- * @suppress {strictModuleDepCheck} Suppress module check while workspace
- *     comments are not bundled in.
- */
-Blockly.Xml.domToWorkspace = function(xml, workspace) {
-  if (xml instanceof Blockly.Workspace) {
-    var swap = xml;
-    // Closure Compiler complains here because the arguments are reversed.
-    /** @suppress {checkTypes} */
-    xml = workspace;
-    workspace = swap;
-    console.warn('Deprecated call to Blockly.Xml.domToWorkspace, ' +
-                 'swap the arguments.');
-  }
-
-  var width;  // Not used in LTR.
-  if (workspace.RTL) {
-    width = workspace.getWidth();
-  }
-  var newBlockIds = [];  // A list of block IDs added by this call.
-  Blockly.utils.dom.startTextWidthCache();
-  var existingGroup = Blockly.Events.getGroup();
-  if (!existingGroup) {
-    Blockly.Events.setGroup(true);
-  }
-
-  // Disable workspace resizes as an optimization.
-  if (workspace.setResizesEnabled) {
-    workspace.setResizesEnabled(false);
-  }
-  var variablesFirst = true;
-  try {
-    for (var i = 0, xmlChild; (xmlChild = xml.childNodes[i]); i++) {
-      var name = xmlChild.nodeName.toLowerCase();
-      var xmlChildElement = /** @type {!Element} */ (xmlChild);
-      if (name == 'block' ||
-          (name == 'shadow' && !Blockly.Events.recordUndo)) {
-        // Allow top-level shadow blocks if recordUndo is disabled since
-        // that means an undo is in progress.  Such a block is expected
-        // to be moved to a nested destination in the next operation.
-        var block = Blockly.Xml.domToBlock(xmlChildElement, workspace);
-        newBlockIds.push(block.id);
-        var blockX = xmlChildElement.hasAttribute('x') ?
-            parseInt(xmlChildElement.getAttribute('x'), 10) : 10;
-        var blockY = xmlChildElement.hasAttribute('y') ?
-            parseInt(xmlChildElement.getAttribute('y'), 10) : 10;
-        if (!isNaN(blockX) && !isNaN(blockY)) {
-          block.moveBy(workspace.RTL ? width - blockX : blockX, blockY);
-        }
-        variablesFirst = false;
-      } else if (name == 'shadow') {
-        throw TypeError('Shadow block cannot be a top-level block.');
-      } else if (name == 'comment') {
-        if (workspace.rendered) {
-          if (!Blockly.WorkspaceCommentSvg) {
-            console.warn('Missing require for Blockly.WorkspaceCommentSvg, ' +
-                'ignoring workspace comment.');
-          } else {
-            Blockly.WorkspaceCommentSvg.fromXml(
-                xmlChildElement, workspace, width);
-          }
-        } else {
-          if (!Blockly.WorkspaceComment) {
-            console.warn('Missing require for Blockly.WorkspaceComment, ' +
-                'ignoring workspace comment.');
-          } else {
-            Blockly.WorkspaceComment.fromXml(xmlChildElement, workspace);
-          }
-        }
-      } else if (name == 'variables') {
-        if (variablesFirst) {
-          Blockly.Xml.domToVariables(xmlChildElement, workspace);
-        } else {
-          throw Error('\'variables\' tag must exist once before block and ' +
-              'shadow tag elements in the workspace XML, but it was found in ' +
-              'another location.');
-        }
-        variablesFirst = false;
-      }
-    }
-  } finally {
-    if (!existingGroup) {
-      Blockly.Events.setGroup(false);
-    }
-    Blockly.utils.dom.stopTextWidthCache();
-  }
-  // Re-enable workspace resizing.
-  if (workspace.setResizesEnabled) {
-    workspace.setResizesEnabled(true);
-  }
-  Blockly.Events.fire(new Blockly.Events.FinishedLoading(workspace));
-  return newBlockIds;
-};
-
-/**
- * Decode an XML DOM and create blocks on the workspace. Position the new
- * blocks immediately below prior blocks, aligned by their starting edge.
- * @param {!Element} xml The XML DOM.
- * @param {!Blockly.Workspace} workspace The workspace to add to.
- * @return {Array.<string>} An array containing new block IDs.
- */
-Blockly.Xml.appendDomToWorkspace = function(xml, workspace) {
-  var bbox;  // Bounding box of the current blocks.
-  // First check if we have a workspaceSvg, otherwise the blocks have no shape
-  // and the position does not matter.
-  if (Object.prototype.hasOwnProperty.call(workspace, 'scale')) {
-    bbox = workspace.getBlocksBoundingBox();
-  }
-  // Load the new blocks into the workspace and get the IDs of the new blocks.
-  var newBlockIds = Blockly.Xml.domToWorkspace(xml, workspace);
-  if (bbox && bbox.top != bbox.bottom) {  // check if any previous block
-    var offsetY = 0;  // offset to add to y of the new block
-    var offsetX = 0;
-    var farY = bbox.bottom;  // bottom position
-    var topX = workspace.RTL ? bbox.right : bbox.left;  // x of bounding box
-    // Check position of the new blocks.
-    var newLeftX = Infinity;  // x of top left corner
-    var newRightX = -Infinity;  // x of top right corner
-    var newY = Infinity;  // y of top corner
-    var ySeparation = 10;
-    for (var i = 0; i < newBlockIds.length; i++) {
-      var blockXY =
-          workspace.getBlockById(newBlockIds[i]).getRelativeToSurfaceXY();
-      if (blockXY.y < newY) {
-        newY = blockXY.y;
-      }
-      if (blockXY.x < newLeftX) {  // if we left align also on x
-        newLeftX = blockXY.x;
-      }
-      if (blockXY.x > newRightX) {  // if we right align also on x
-        newRightX = blockXY.x;
-      }
-    }
-    offsetY = farY - newY + ySeparation;
-    offsetX = workspace.RTL ? topX - newRightX : topX - newLeftX;
-    for (var i = 0; i < newBlockIds.length; i++) {
-      var block = workspace.getBlockById(newBlockIds[i]);
-      block.moveBy(offsetX, offsetY);
-    }
-  }
-  return newBlockIds;
-};
-
-/**
- * Decode an XML block tag and create a block (and possibly sub blocks) on the
- * workspace.
- * @param {!Element} xmlBlock XML block element.
- * @param {!Blockly.Workspace} workspace The workspace.
- * @return {!Blockly.Block} The root block created.
- */
-Blockly.Xml.domToBlock = function(xmlBlock, workspace) {
-  if (xmlBlock instanceof Blockly.Workspace) {
-    var swap = xmlBlock;
-    // Closure Compiler complains here because the arguments are reversed.
-    /** @suppress {checkTypes} */
-    xmlBlock = /** @type {!Element} */ (workspace);
-    workspace = swap;
-    console.warn('Deprecated call to Blockly.Xml.domToBlock, ' +
-                 'swap the arguments.');
-  }
-  // Create top-level block.
-  Blockly.Events.disable();
-  var variablesBeforeCreation = workspace.getAllVariables();
-  try {
-    var topBlock = Blockly.Xml.domToBlockHeadless_(xmlBlock, workspace);
-    // Generate list of all blocks.
-    var blocks = topBlock.getDescendants(false);
-    if (workspace.rendered) {
-      // Wait to track connections to speed up assembly.
-      topBlock.setConnectionTracking(false);
-      // Render each block.
-      for (var i = blocks.length - 1; i >= 0; i--) {
-        blocks[i].initSvg();
-      }
-      for (var i = blocks.length - 1; i >= 0; i--) {
-        blocks[i].render(false);
-      }
-      // Populating the connection database may be deferred until after the
-      // blocks have rendered.
-      setTimeout(function() {
-        if (!topBlock.disposed) {
-          topBlock.setConnectionTracking(true);
-        }
-      }, 1);
-      topBlock.updateDisabled();
-      // Allow the scrollbars to resize and move based on the new contents.
-      // TODO(@picklesrus): #387. Remove when domToBlock avoids resizing.
-      workspace.resizeContents();
-    } else {
-      for (var i = blocks.length - 1; i >= 0; i--) {
-        blocks[i].initModel();
-      }
-    }
-  } finally {
-    Blockly.Events.enable();
-  }
-  if (Blockly.Events.isEnabled()) {
-    var newVariables = Blockly.Variables.getAddedVariables(workspace,
-        variablesBeforeCreation);
-    // Fire a VarCreate event for each (if any) new variable created.
-    for (var i = 0; i < newVariables.length; i++) {
-      var thisVariable = newVariables[i];
-      Blockly.Events.fire(new Blockly.Events.VarCreate(thisVariable));
-    }
-    // Block events come after var events, in case they refer to newly created
-    // variables.
-    Blockly.Events.fire(new Blockly.Events.BlockCreate(topBlock));
-  }
-  return topBlock;
-};
-
-
-/**
- * Decode an XML list of variables and add the variables to the workspace.
- * @param {!Element} xmlVariables List of XML variable elements.
- * @param {!Blockly.Workspace} workspace The workspace to which the variable
- *     should be added.
- */
-Blockly.Xml.domToVariables = function(xmlVariables, workspace) {
-  for (var i = 0, xmlChild; (xmlChild = xmlVariables.childNodes[i]); i++) {
-    if (xmlChild.nodeType != Blockly.utils.dom.NodeType.ELEMENT_NODE) {
-      continue;  // Skip text nodes.
-    }
-    var type = xmlChild.getAttribute('type');
-    var id = xmlChild.getAttribute('id');
-    var name = xmlChild.textContent;
-
-    workspace.createVariable(name, type, id);
-  }
-};
-
-/**
- * Decode an XML block tag and create a block (and possibly sub blocks) on the
- * workspace.
- * @param {!Element} xmlBlock XML block element.
- * @param {!Blockly.Workspace} workspace The workspace.
- * @return {!Blockly.Block} The root block created.
- * @private
- */
-Blockly.Xml.domToBlockHeadless_ = function(xmlBlock, workspace) {
-  var block = null;
-  var prototypeName = xmlBlock.getAttribute('type');
-  if (!prototypeName) {
-    throw TypeError('Block type unspecified: ' + xmlBlock.outerHTML);
-  }
-  var id = xmlBlock.getAttribute('id');
-  block = workspace.newBlock(prototypeName, id);
-
-  var blockChild = null;
-  for (var i = 0, xmlChild; (xmlChild = xmlBlock.childNodes[i]); i++) {
-    if (xmlChild.nodeType == Blockly.utils.dom.NodeType.TEXT_NODE) {
-      // Ignore any text at the <block> level.  It's all whitespace anyway.
-      continue;
-    }
-    var input;
-
-    // Find any enclosed blocks or shadows in this tag.
-    var childBlockElement = null;
-    var childShadowElement = null;
-    for (var j = 0, grandchild; (grandchild = xmlChild.childNodes[j]); j++) {
-      if (grandchild.nodeType == Blockly.utils.dom.NodeType.ELEMENT_NODE) {
-        if (grandchild.nodeName.toLowerCase() == 'block') {
-          childBlockElement = /** @type {!Element} */ (grandchild);
-        } else if (grandchild.nodeName.toLowerCase() == 'shadow') {
-          childShadowElement = /** @type {!Element} */ (grandchild);
-        }
-      }
-    }
-
-    var callInitSvg = false;
-    var name = xmlChild.getAttribute('name');
-    var xmlChildElement = /** @type {!Element} */ (xmlChild);
-    switch (xmlChild.nodeName.toLowerCase()) {
-      case 'mutation':
-        // Custom data for an advanced block.
-        if (block.domToMutation) {
-          block.domToMutation(xmlChildElement);
-          if (block.initSvg) {
-            // Mutation may have added some elements that need initializing.
-            callInitSvg = true;
-          }
-        }
-        break;
-      case 'comment':
-        if (!Blockly.Comment) {
-          console.warn('Missing require for Blockly.Comment, ' +
-              'ignoring block comment.');
-          break;
-        }
-        var text = xmlChildElement.textContent;
-        var pinned = xmlChildElement.getAttribute('pinned') == 'true';
-        var width = parseInt(xmlChildElement.getAttribute('w'), 10);
-        var height = parseInt(xmlChildElement.getAttribute('h'), 10);
-
-        block.setCommentText(text);
-        block.commentModel.pinned = pinned;
-        if (!isNaN(width) && !isNaN(height)) {
-          block.commentModel.size = new Blockly.utils.Size(width, height);
-        }
-
-        if (pinned && block.getCommentIcon && !block.isInFlyout) {
-          setTimeout(function() {
-            block.getCommentIcon().setVisible(true);
-          }, 1);
-        }
-        break;
-      case 'data':
-        block.data = xmlChild.textContent;
-        break;
-      case 'title':
-        // Titles were renamed to field in December 2013.
-        // Fall through.
-      case 'field':
-        Blockly.Xml.domToField_(block, name, xmlChildElement);
-        break;
-      case 'value':
-      case 'statement':
-        input = block.getInput(name);
-        if (!input) {
-          console.warn('Ignoring non-existent input ' + name + ' in block ' +
-                       prototypeName);
-          break;
-        }
-        if (childBlockElement) {
-          blockChild = Blockly.Xml.domToBlockHeadless_(childBlockElement,
-              workspace);
-          if (blockChild.outputConnection) {
-            input.connection.connect(blockChild.outputConnection);
-          } else if (blockChild.previousConnection) {
-            input.connection.connect(blockChild.previousConnection);
-          } else {
-            throw TypeError(
-                'Child block does not have output or previous statement.');
-          }
-        }
-        // Set shadow after so we don't create a shadow we delete immediately.
-        if (childShadowElement) {
-          input.connection.setShadowDom(childShadowElement);
-        }
-        break;
-      case 'next':
-        if (childBlockElement) {
-          if (!block.nextConnection) {
-            throw TypeError('Next statement does not exist.');
-          }
-          // If there is more than one XML 'next' tag.
-          if (block.nextConnection.isConnected()) {
-            throw TypeError('Next statement is already connected.');
-          }
-          blockChild = Blockly.Xml.domToBlockHeadless_(childBlockElement,
-              workspace);
-          if (!blockChild.previousConnection) {
-            throw TypeError('Next block does not have previous statement.');
-          }
-          block.nextConnection.connect(blockChild.previousConnection);
-        }
-        // Set shadow after so we don't create a shadow we delete immediately.
-        if (childShadowElement && block.nextConnection) {
-          block.nextConnection.setShadowDom(childShadowElement);
-        }
-        break;
-      default:
-        // Unknown tag; ignore.  Same principle as HTML parsers.
-        console.warn('Ignoring unknown tag: ' + xmlChild.nodeName);
-    }
-  }
-
-  if (callInitSvg) {
-    // InitSvg needs to be called after variable fields are loaded.
-    block.initSvg();
-  }
-
-  var inline = xmlBlock.getAttribute('inline');
-  if (inline) {
-    block.setInputsInline(inline == 'true');
-  }
-  var disabled = xmlBlock.getAttribute('disabled');
-  if (disabled) {
-    block.setEnabled(disabled != 'true' && disabled != 'disabled');
-  }
-  var deletable = xmlBlock.getAttribute('deletable');
-  if (deletable) {
-    block.setDeletable(deletable == 'true');
-  }
-  var movable = xmlBlock.getAttribute('movable');
-  if (movable) {
-    block.setMovable(movable == 'true');
-  }
-  var editable = xmlBlock.getAttribute('editable');
-  if (editable) {
-    block.setEditable(editable == 'true');
-  }
-  var collapsed = xmlBlock.getAttribute('collapsed');
-  if (collapsed) {
-    block.setCollapsed(collapsed == 'true');
-  }
-  if (xmlBlock.nodeName.toLowerCase() == 'shadow') {
-    // Ensure all children are also shadows.
-    var children = block.getChildren(false);
-    for (var i = 0, child; (child = children[i]); i++) {
-      if (!child.isShadow()) {
-        throw TypeError('Shadow block not allowed non-shadow child.');
-      }
-    }
-    // Ensure this block doesn't have any variable inputs.
-    if (block.getVarModels().length) {
-      throw TypeError('Shadow blocks cannot have variable references.');
-    }
-    block.setShadow(true);
-  }
-  return block;
-};
-
-/**
- * Decode an XML field tag and set the value of that field on the given block.
- * @param {!Blockly.Block} block The block that is currently being deserialized.
- * @param {string} fieldName The name of the field on the block.
- * @param {!Element} xml The field tag to decode.
- * @private
- */
-Blockly.Xml.domToField_ = function(block, fieldName, xml) {
-  var field = block.getField(fieldName);
-  if (!field) {
-    console.warn('Ignoring non-existent field ' + fieldName + ' in block ' +
-        block.type);
-    return;
-  }
-  field.fromXml(xml);
-};
-
-/**
- * Remove any 'next' block (statements in a stack).
- * @param {!Element|!DocumentFragment} xmlBlock XML block element or an empty
- *     DocumentFragment if the block was an insertion marker.
- */
-Blockly.Xml.deleteNext = function(xmlBlock) {
-  for (var i = 0, child; (child = xmlBlock.childNodes[i]); i++) {
-    if (child.nodeName.toLowerCase() == 'next') {
-      xmlBlock.removeChild(child);
-      break;
-    }
-  }
-};
diff --git a/core/xml.ts b/core/xml.ts
new file mode 100644
index 00000000000..bad381c5d85
--- /dev/null
+++ b/core/xml.ts
@@ -0,0 +1,1107 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+// Former goog.module ID: Blockly.Xml
+
+import type {Block} from './block.js';
+import type {BlockSvg} from './block_svg.js';
+import type {Connection} from './connection.js';
+import {MANUALLY_DISABLED} from './constants.js';
+import * as eventUtils from './events/utils.js';
+import type {Field} from './field.js';
+import {IconType} from './icons/icon_types.js';
+import {inputTypes} from './inputs/input_types.js';
+import * as dom from './utils/dom.js';
+import {Size} from './utils/size.js';
+import * as utilsXml from './utils/xml.js';
+import type {VariableModel} from './variable_model.js';
+import * as Variables from './variables.js';
+import type {Workspace} from './workspace.js';
+import {WorkspaceSvg} from './workspace_svg.js';
+import * as renderManagement from './render_management.js';
+import {WorkspaceComment} from './comments/workspace_comment.js';
+import {RenderedWorkspaceComment} from './comments/rendered_workspace_comment.js';
+import {Coordinate} from './utils/coordinate.js';
+
+/**
+ * Encode a block tree as XML.
+ *
+ * @param workspace The workspace containing blocks.
+ * @param skipId True if the encoder should skip the block IDs. False by
+ *     default.
+ * @returns XML DOM element.
+ */
+export function workspaceToDom(workspace: Workspace, skipId = false): Element {
+  const treeXml = utilsXml.createElement('xml');
+  const variablesElement = variablesToDom(
+    Variables.allUsedVarModels(workspace),
+  );
+  if (variablesElement.hasChildNodes()) {
+    treeXml.appendChild(variablesElement);
+  }
+  for (const comment of workspace.getTopComments()) {
+    treeXml.appendChild(
+      saveWorkspaceComment(comment as AnyDuringMigration, skipId),
+    );
+  }
+  const blocks = workspace.getTopBlocks(true);
+  for (let i = 0; i < blocks.length; i++) {
+    const block = blocks[i];
+    treeXml.appendChild(blockToDomWithXY(block, skipId));
+  }
+  return treeXml;
+}
+
+/** Serializes the given workspace comment to XML. */
+export function saveWorkspaceComment(
+  comment: WorkspaceComment,
+  skipId = false,
+): Element {
+  const elem = utilsXml.createElement('comment');
+  if (!skipId) elem.setAttribute('id', comment.id);
+
+  const workspace = comment.workspace;
+  const loc = comment.getRelativeToSurfaceXY();
+  loc.x = workspace.RTL ? workspace.getWidth() - loc.x : loc.x;
+  elem.setAttribute('x', `${loc.x}`);
+  elem.setAttribute('y', `${loc.y}`);
+  elem.setAttribute('w', `${comment.getSize().width}`);
+  elem.setAttribute('h', `${comment.getSize().height}`);
+
+  if (comment.getText()) elem.textContent = comment.getText();
+  if (comment.isCollapsed()) elem.setAttribute('collapsed', 'true');
+  if (!comment.isOwnEditable()) elem.setAttribute('editable', 'false');
+  if (!comment.isOwnMovable()) elem.setAttribute('movable', 'false');
+  if (!comment.isOwnDeletable()) elem.setAttribute('deletable', 'false');
+
+  return elem;
+}
+
+/**
+ * Encode a list of variables as XML.
+ *
+ * @param variableList List of all variable models.
+ * @returns Tree of XML elements.
+ */
+export function variablesToDom(variableList: VariableModel[]): Element {
+  const variables = utilsXml.createElement('variables');
+  for (let i = 0; i < variableList.length; i++) {
+    const variable = variableList[i];
+    const element = utilsXml.createElement('variable');
+    element.appendChild(utilsXml.createTextNode(variable.name));
+    if (variable.type) {
+      element.setAttribute('type', variable.type);
+    }
+    element.id = variable.getId();
+    variables.appendChild(element);
+  }
+  return variables;
+}
+
+/**
+ * Encode a block subtree as XML with XY coordinates.
+ *
+ * @param block The root block to encode.
+ * @param opt_noId True if the encoder should skip the block ID.
+ * @returns Tree of XML elements or an empty document fragment if the block was
+ *     an insertion marker.
+ */
+export function blockToDomWithXY(
+  block: Block,
+  opt_noId?: boolean,
+): Element | DocumentFragment {
+  if (block.isInsertionMarker()) {
+    // Skip over insertion markers.
+    block = block.getChildren(false)[0];
+    if (!block) {
+      // Disappears when appended.
+      return new DocumentFragment();
+    }
+  }
+
+  let width = 0; // Not used in LTR.
+  if (block.workspace.RTL) {
+    width = block.workspace.getWidth();
+  }
+
+  const element = blockToDom(block, opt_noId);
+  if (isElement(element)) {
+    const xy = block.getRelativeToSurfaceXY();
+    element.setAttribute(
+      'x',
+      String(Math.round(block.workspace.RTL ? width - xy.x : xy.x)),
+    );
+    element.setAttribute('y', String(Math.round(xy.y)));
+  }
+  return element;
+}
+
+/**
+ * Encode a field as XML.
+ *
+ * @param field The field to encode.
+ * @returns XML element, or null if the field did not need to be serialized.
+ */
+function fieldToDom(field: Field): Element | null {
+  if (field.isSerializable()) {
+    const container = utilsXml.createElement('field');
+    container.setAttribute('name', field.name || '');
+    return field.toXml(container);
+  }
+  return null;
+}
+
+/**
+ * Encode all of a block's fields as XML and attach them to the given tree of
+ * XML elements.
+ *
+ * @param block A block with fields to be encoded.
+ * @param element The XML element to which the field DOM should be attached.
+ */
+function allFieldsToDom(block: Block, element: Element) {
+  for (let i = 0; i < block.inputList.length; i++) {
+    const input = block.inputList[i];
+    for (let j = 0; j < input.fieldRow.length; j++) {
+      const field = input.fieldRow[j];
+      const fieldDom = fieldToDom(field);
+      if (fieldDom) {
+        element.appendChild(fieldDom);
+      }
+    }
+  }
+}
+
+/**
+ * Encode a block subtree as XML.
+ *
+ * @param block The root block to encode.
+ * @param opt_noId True if the encoder should skip the block ID.
+ * @returns Tree of XML elements or an empty document fragment if the block was
+ *     an insertion marker.
+ */
+export function blockToDom(
+  block: Block,
+  opt_noId?: boolean,
+): Element | DocumentFragment {
+  // Skip over insertion markers.
+  if (block.isInsertionMarker()) {
+    const child = block.getChildren(false)[0];
+    if (child) {
+      return blockToDom(child);
+    } else {
+      // Disappears when appended.
+      return new DocumentFragment();
+    }
+  }
+
+  const element = utilsXml.createElement(block.isShadow() ? 'shadow' : 'block');
+  element.setAttribute('type', block.type);
+  if (!opt_noId) {
+    element.id = block.id;
+  }
+  if (block.mutationToDom) {
+    // Custom data for an advanced block.
+    const mutation = block.mutationToDom();
+    if (mutation && (mutation.hasChildNodes() || mutation.hasAttributes())) {
+      element.appendChild(mutation);
+    }
+  }
+
+  allFieldsToDom(block, element);
+
+  const commentText = block.getCommentText();
+  if (commentText) {
+    const comment = block.getIcon(IconType.COMMENT)!;
+    const size = comment.getBubbleSize();
+    const pinned = comment.bubbleIsVisible();
+
+    const commentElement = utilsXml.createElement('comment');
+    commentElement.appendChild(utilsXml.createTextNode(commentText));
+    commentElement.setAttribute('pinned', `${pinned}`);
+    commentElement.setAttribute('h', String(size.height));
+    commentElement.setAttribute('w', String(size.width));
+
+    element.appendChild(commentElement);
+  }
+
+  if (block.data) {
+    const dataElement = utilsXml.createElement('data');
+    dataElement.appendChild(utilsXml.createTextNode(block.data));
+    element.appendChild(dataElement);
+  }
+
+  for (let i = 0; i < block.inputList.length; i++) {
+    const input = block.inputList[i];
+    let container: Element;
+    let empty = true;
+    if (input.type === inputTypes.DUMMY || input.type === inputTypes.END_ROW) {
+      continue;
+    } else {
+      const childBlock = input.connection!.targetBlock();
+      if (input.type === inputTypes.VALUE) {
+        container = utilsXml.createElement('value');
+      } else if (input.type === inputTypes.STATEMENT) {
+        container = utilsXml.createElement('statement');
+      }
+      const childShadow = input.connection!.getShadowDom();
+      if (childShadow && (!childBlock || !childBlock.isShadow())) {
+        container!.appendChild(cloneShadow(childShadow, opt_noId));
+      }
+      if (childBlock) {
+        const childElem = blockToDom(childBlock, opt_noId);
+        if (childElem.nodeType === dom.NodeType.ELEMENT_NODE) {
+          container!.appendChild(childElem);
+          empty = false;
+        }
+      }
+    }
+    container!.setAttribute('name', input.name);
+    if (!empty) {
+      element.appendChild(container!);
+    }
+  }
+  if (
+    block.inputsInline !== undefined &&
+    block.inputsInline !== block.inputsInlineDefault
+  ) {
+    element.setAttribute('inline', String(block.inputsInline));
+  }
+  if (block.isCollapsed()) {
+    element.setAttribute('collapsed', 'true');
+  }
+  if (!block.isEnabled()) {
+    // Set the value of the attribute to a comma-separated list of reasons.
+    // Use encodeURIComponent to escape commas in the reasons so that they
+    // won't be confused with separator commas.
+    element.setAttribute(
+      'disabled-reasons',
+      Array.from(block.getDisabledReasons()).map(encodeURIComponent).join(','),
+    );
+  }
+  if (!block.isOwnDeletable()) {
+    element.setAttribute('deletable', 'false');
+  }
+  if (!block.isOwnMovable()) {
+    element.setAttribute('movable', 'false');
+  }
+  if (!block.isOwnEditable()) {
+    element.setAttribute('editable', 'false');
+  }
+
+  const nextBlock = block.getNextBlock();
+  let container: Element;
+  if (nextBlock) {
+    const nextElem = blockToDom(nextBlock, opt_noId);
+    if (nextElem.nodeType === dom.NodeType.ELEMENT_NODE) {
+      container = utilsXml.createElement('next');
+      container.appendChild(nextElem);
+      element.appendChild(container);
+    }
+  }
+  const nextShadow =
+    block.nextConnection && block.nextConnection.getShadowDom();
+  if (nextShadow && (!nextBlock || !nextBlock.isShadow())) {
+    container!.appendChild(cloneShadow(nextShadow, opt_noId));
+  }
+
+  return element;
+}
+
+/**
+ * Deeply clone the shadow's DOM so that changes don't back-wash to the block.
+ *
+ * @param shadow A tree of XML elements.
+ * @param opt_noId True if the encoder should skip the block ID.
+ * @returns A tree of XML elements.
+ */
+function cloneShadow(shadow: Element, opt_noId?: boolean): Element {
+  shadow = shadow.cloneNode(true) as Element;
+  // Walk the tree looking for whitespace.  Don't prune whitespace in a tag.
+  let node: Node | null = shadow;
+  let textNode;
+  while (node) {
+    if (opt_noId && node.nodeName === 'shadow') {
+      // Strip off IDs from shadow blocks.  There should never be a 'block' as
+      // a child of a 'shadow', so no need to check that.
+      (node as Element).removeAttribute('id');
+    }
+    if (node.firstChild) {
+      node = node.firstChild;
+    } else {
+      while (node && !node.nextSibling) {
+        textNode = node;
+        node = node.parentNode;
+        if (
+          textNode.nodeType === dom.NodeType.TEXT_NODE &&
+          (textNode as Text).data.trim() === '' &&
+          node?.firstChild !== textNode
+        ) {
+          // Prune whitespace after a tag.
+          dom.removeNode(textNode);
+        }
+      }
+      if (node) {
+        textNode = node;
+        node = node.nextSibling;
+        if (
+          textNode.nodeType === dom.NodeType.TEXT_NODE &&
+          (textNode as Text).data.trim() === ''
+        ) {
+          // Prune whitespace before a tag.
+          dom.removeNode(textNode);
+        }
+      }
+    }
+  }
+  return shadow;
+}
+
+/**
+ * Converts a DOM structure into plain text.
+ * Currently the text format is fairly ugly: all one line with no whitespace,
+ * unless the DOM itself has whitespace built-in.
+ *
+ * @param dom A tree of XML nodes.
+ * @returns Text representation.
+ */
+export function domToText(dom: Node): string {
+  const text = utilsXml.domToText(dom);
+  // Unpack self-closing tags.  These tags fail when embedded in HTML.
+  // <block name="foo"/> -> <block name="foo"></block>
+  return text.replace(/<(\w+)([^<]*)\/>/g, '<$1$2></$1>');
+}
+
+/**
+ * Converts a DOM structure into properly indented text.
+ *
+ * @param dom A tree of XML elements.
+ * @returns Text representation.
+ */
+export function domToPrettyText(dom: Node): string {
+  // This function is not guaranteed to be correct for all XML.
+  // But it handles the XML that Blockly generates.
+  const blob = domToText(dom);
+  // Place every open and close tag on its own line.
+  const lines = blob.split('<');
+  // Indent every line.
+  let indent = '';
+  for (let i = 1; i < lines.length; i++) {
+    const line = lines[i];
+    if (line[0] === '/') {
+      indent = indent.substring(2);
+    }
+    lines[i] = indent + '<' + line;
+    if (line[0] !== '/' && line.slice(-2) !== '/>') {
+      indent += '  ';
+    }
+  }
+  // Pull simple tags back together.
+  // E.g. <foo></foo>
+  let text = lines.join('\n');
+  text = text.replace(/(<(\w+)\b[^>]*>[^\n]*)\n *<\/\2>/g, '$1</$2>');
+  // Trim leading blank line.
+  return text.replace(/^\n/, '');
+}
+
+/**
+ * Clear the given workspace then decode an XML DOM and
+ * create blocks on the workspace.
+ *
+ * @param xml XML DOM.
+ * @param workspace The workspace.
+ * @returns An array containing new block IDs.
+ */
+export function clearWorkspaceAndLoadFromXml(
+  xml: Element,
+  workspace: WorkspaceSvg,
+): string[] {
+  workspace.setResizesEnabled(false);
+  workspace.clear();
+  const blockIds = domToWorkspace(xml, workspace);
+  workspace.setResizesEnabled(true);
+  return blockIds;
+}
+
+/**
+ * Decode an XML DOM and create blocks on the workspace.
+ *
+ * @param xml XML DOM.
+ * @param workspace The workspace.
+ * @returns An array containing new block IDs.
+ */
+export function domToWorkspace(xml: Element, workspace: Workspace): string[] {
+  let width = 0; // Not used in LTR.
+  if (workspace.RTL) {
+    width = workspace.getWidth();
+  }
+  const newBlockIds = []; // A list of block IDs added by this call.
+  dom.startTextWidthCache();
+  const existingGroup = eventUtils.getGroup();
+  if (!existingGroup) {
+    eventUtils.setGroup(true);
+  }
+
+  // Disable workspace resizes as an optimization.
+  // Assume it is rendered so we can check.
+  if ((workspace as WorkspaceSvg).setResizesEnabled) {
+    (workspace as WorkspaceSvg).setResizesEnabled(false);
+  }
+  let variablesFirst = true;
+  try {
+    for (let i = 0, xmlChild; (xmlChild = xml.childNodes[i]); i++) {
+      const name = xmlChild.nodeName.toLowerCase();
+      const xmlChildElement = xmlChild as Element;
+      if (
+        name === 'block' ||
+        (name === 'shadow' && !eventUtils.getRecordUndo())
+      ) {
+        // Allow top-level shadow blocks if recordUndo is disabled since
+        // that means an undo is in progress.  Such a block is expected
+        // to be moved to a nested destination in the next operation.
+        const block = domToBlockInternal(xmlChildElement, workspace);
+        newBlockIds.push(block.id);
+        const blockX = parseInt(xmlChildElement.getAttribute('x') ?? '10', 10);
+        const blockY = parseInt(xmlChildElement.getAttribute('y') ?? '10', 10);
+        if (!isNaN(blockX) && !isNaN(blockY)) {
+          block.moveBy(workspace.RTL ? width - blockX : blockX, blockY, [
+            'create',
+          ]);
+        }
+        variablesFirst = false;
+      } else if (name === 'shadow') {
+        throw TypeError('Shadow block cannot be a top-level block.');
+      } else if (name === 'comment') {
+        loadWorkspaceComment(xmlChildElement, workspace);
+      } else if (name === 'variables') {
+        if (variablesFirst) {
+          domToVariables(xmlChildElement, workspace);
+        } else {
+          throw Error(
+            "'variables' tag must exist once before block and " +
+              'shadow tag elements in the workspace XML, but it was found in ' +
+              'another location.',
+          );
+        }
+        variablesFirst = false;
+      }
+    }
+  } finally {
+    eventUtils.setGroup(existingGroup);
+    if ((workspace as WorkspaceSvg).setResizesEnabled) {
+      (workspace as WorkspaceSvg).setResizesEnabled(true);
+    }
+    if (workspace.rendered) renderManagement.triggerQueuedRenders();
+    dom.stopTextWidthCache();
+  }
+  // Re-enable workspace resizing.
+  eventUtils.fire(new (eventUtils.get(eventUtils.FINISHED_LOADING))(workspace));
+  return newBlockIds;
+}
+
+/** Deserializes the given comment state into the given workspace. */
+export function loadWorkspaceComment(
+  elem: Element,
+  workspace: Workspace,
+): WorkspaceComment {
+  const id = elem.getAttribute('id') ?? undefined;
+  const comment = workspace.rendered
+    ? new RenderedWorkspaceComment(workspace as WorkspaceSvg, id)
+    : new WorkspaceComment(workspace, id);
+
+  comment.setText(elem.textContent ?? '');
+
+  let x = parseInt(elem.getAttribute('x') ?? '', 10);
+  const y = parseInt(elem.getAttribute('y') ?? '', 10);
+  if (!isNaN(x) && !isNaN(y)) {
+    x = workspace.RTL ? workspace.getWidth() - x : x;
+    comment.moveTo(new Coordinate(x, y));
+  }
+
+  const w = parseInt(elem.getAttribute('w') ?? '', 10);
+  const h = parseInt(elem.getAttribute('h') ?? '', 10);
+  if (!isNaN(w) && !isNaN(h)) comment.setSize(new Size(w, h));
+
+  if (elem.getAttribute('collapsed') === 'true') comment.setCollapsed(true);
+  if (elem.getAttribute('editable') === 'false') comment.setEditable(false);
+  if (elem.getAttribute('movable') === 'false') comment.setMovable(false);
+  if (elem.getAttribute('deletable') === 'false') comment.setDeletable(false);
+
+  return comment;
+}
+
+/**
+ * Decode an XML DOM and create blocks on the workspace. Position the new
+ * blocks immediately below prior blocks, aligned by their starting edge.
+ *
+ * @param xml The XML DOM.
+ * @param workspace The workspace to add to.
+ * @returns An array containing new block IDs.
+ */
+export function appendDomToWorkspace(
+  xml: Element,
+  workspace: WorkspaceSvg,
+): string[] {
+  // First check if we have a WorkspaceSvg, otherwise the blocks have no shape
+  // and the position does not matter.
+  // Assume it is rendered so we can check.
+  if (!(workspace as WorkspaceSvg).getBlocksBoundingBox) {
+    return domToWorkspace(xml, workspace);
+  }
+
+  const bbox = (workspace as WorkspaceSvg).getBlocksBoundingBox();
+  // Load the new blocks into the workspace and get the IDs of the new blocks.
+  const newBlockIds = domToWorkspace(xml, workspace);
+  if (bbox && bbox.top !== bbox.bottom) {
+    // Check if any previous block.
+    let offsetY = 0; // Offset to add to y of the new block.
+    let offsetX = 0;
+    const farY = bbox.bottom; // Bottom position.
+    const topX = workspace.RTL ? bbox.right : bbox.left; // X of bounding box.
+    // Check position of the new blocks.
+    let newLeftX = Infinity; // X of top left corner.
+    let newRightX = -Infinity; // X of top right corner.
+    let newY = Infinity; // Y of top corner.
+    const ySeparation = 10;
+    for (let i = 0; i < newBlockIds.length; i++) {
+      const blockXY = workspace
+        .getBlockById(newBlockIds[i])!
+        .getRelativeToSurfaceXY();
+      if (blockXY.y < newY) {
+        newY = blockXY.y;
+      }
+      if (blockXY.x < newLeftX) {
+        // if we left align also on x
+        newLeftX = blockXY.x;
+      }
+      if (blockXY.x > newRightX) {
+        // if we right align also on x
+        newRightX = blockXY.x;
+      }
+    }
+    offsetY = farY - newY + ySeparation;
+    offsetX = workspace.RTL ? topX - newRightX : topX - newLeftX;
+    for (let i = 0; i < newBlockIds.length; i++) {
+      const block = workspace.getBlockById(newBlockIds[i]);
+      block!.moveBy(offsetX, offsetY, ['create']);
+    }
+  }
+  return newBlockIds;
+}
+
+/**
+ * Decode an XML block tag and create a block (and possibly sub blocks) on the
+ * workspace.
+ *
+ * @param xmlBlock XML block element.
+ * @param workspace The workspace.
+ * @returns The root block created.
+ */
+export function domToBlock(xmlBlock: Element, workspace: Workspace): Block {
+  const block = domToBlockInternal(xmlBlock, workspace);
+  if (workspace.rendered) renderManagement.triggerQueuedRenders();
+  return block;
+}
+
+/**
+ * Decode an XML block tag and create a block (and possibly sub blocks) on the
+ * workspace.
+ *
+ * This is defined internally so that it doesn't trigger an immediate render,
+ * which we do want to happen for external calls.
+ *
+ * @param xmlBlock XML block element.
+ * @param workspace The workspace.
+ * @returns The root block created.
+ * @internal
+ */
+export function domToBlockInternal(
+  xmlBlock: Element,
+  workspace: Workspace,
+): Block {
+  // Create top-level block.
+  eventUtils.disable();
+  const variablesBeforeCreation = workspace.getAllVariables();
+  let topBlock;
+  try {
+    topBlock = domToBlockHeadless(xmlBlock, workspace);
+    // Generate list of all blocks.
+    if (workspace.rendered) {
+      const topBlockSvg = topBlock as BlockSvg;
+      const blocks = topBlock.getDescendants(false);
+      topBlockSvg.setConnectionTracking(false);
+      // Render each block.
+      for (let i = blocks.length - 1; i >= 0; i--) {
+        (blocks[i] as BlockSvg).initSvg();
+      }
+      for (let i = blocks.length - 1; i >= 0; i--) {
+        (blocks[i] as BlockSvg).queueRender();
+      }
+      // Populating the connection database may be deferred until after the
+      // blocks have rendered.
+      setTimeout(function () {
+        if (!topBlockSvg.disposed) {
+          topBlockSvg.setConnectionTracking(true);
+        }
+      }, 1);
+      // Allow the scrollbars to resize and move based on the new contents.
+      // TODO(@picklesrus): #387. Remove when domToBlock avoids resizing.
+      (workspace as WorkspaceSvg).resizeContents();
+    } else {
+      const blocks = topBlock.getDescendants(false);
+      for (let i = blocks.length - 1; i >= 0; i--) {
+        blocks[i].initModel();
+      }
+    }
+  } finally {
+    eventUtils.enable();
+  }
+  if (eventUtils.isEnabled()) {
+    const newVariables = Variables.getAddedVariables(
+      workspace,
+      variablesBeforeCreation,
+    );
+    // Fire a VarCreate event for each (if any) new variable created.
+    for (let i = 0; i < newVariables.length; i++) {
+      const thisVariable = newVariables[i];
+      eventUtils.fire(
+        new (eventUtils.get(eventUtils.VAR_CREATE))(thisVariable),
+      );
+    }
+    // Block events come after var events, in case they refer to newly created
+    // variables.
+    eventUtils.fire(new (eventUtils.get(eventUtils.CREATE))(topBlock));
+  }
+  return topBlock;
+}
+
+/**
+ * Decode an XML list of variables and add the variables to the workspace.
+ *
+ * @param xmlVariables List of XML variable elements.
+ * @param workspace The workspace to which the variable should be added.
+ */
+export function domToVariables(xmlVariables: Element, workspace: Workspace) {
+  for (let i = 0; i < xmlVariables.children.length; i++) {
+    const xmlChild = xmlVariables.children[i];
+    const type = xmlChild.getAttribute('type');
+    const id = xmlChild.getAttribute('id');
+    const name = xmlChild.textContent;
+
+    if (!name) return;
+    workspace.createVariable(name, type, id);
+  }
+}
+
+/** A mapping of nodeName to node for child nodes of xmlBlock. */
+interface childNodeTagMap {
+  mutation: Element[];
+  comment: Element[];
+  data: Element[];
+  field: Element[];
+  input: Element[];
+  next: Element[];
+}
+
+/**
+ * Creates a mapping of childNodes for each supported XML tag for the provided
+ * xmlBlock. Logs a warning for any encountered unsupported tags.
+ *
+ * @param xmlBlock XML block element.
+ * @returns The childNode map from nodeName to node.
+ */
+function mapSupportedXmlTags(xmlBlock: Element): childNodeTagMap {
+  const childNodeMap = {
+    mutation: new Array<Element>(),
+    comment: new Array<Element>(),
+    data: new Array<Element>(),
+    field: new Array<Element>(),
+    input: new Array<Element>(),
+    next: new Array<Element>(),
+  };
+  for (let i = 0; i < xmlBlock.children.length; i++) {
+    const xmlChild = xmlBlock.children[i];
+    if (xmlChild.nodeType === dom.NodeType.TEXT_NODE) {
+      // Ignore any text at the <block> level.  It's all whitespace anyway.
+      continue;
+    }
+    switch (xmlChild.nodeName.toLowerCase()) {
+      case 'mutation':
+        childNodeMap.mutation.push(xmlChild);
+        break;
+      case 'comment':
+        childNodeMap.comment.push(xmlChild);
+        break;
+      case 'data':
+        childNodeMap.data.push(xmlChild);
+        break;
+      case 'title':
+      // Titles were renamed to field in December 2013.
+      // Fall through.
+      case 'field':
+        childNodeMap.field.push(xmlChild);
+        break;
+      case 'value':
+      case 'statement':
+        childNodeMap.input.push(xmlChild);
+        break;
+      case 'next':
+        childNodeMap.next.push(xmlChild);
+        break;
+      default:
+        // Unknown tag; ignore.  Same principle as HTML parsers.
+        console.warn('Ignoring unknown tag: ' + xmlChild.nodeName);
+    }
+  }
+  return childNodeMap;
+}
+
+/**
+ * Applies mutation tag child nodes to the given block.
+ *
+ * @param xmlChildren Child nodes.
+ * @param block The block to apply the child nodes on.
+ * @returns True if mutation may have added some elements that need
+ *     initialization (requiring initSvg call).
+ */
+function applyMutationTagNodes(xmlChildren: Element[], block: Block): boolean {
+  let shouldCallInitSvg = false;
+  for (let i = 0; i < xmlChildren.length; i++) {
+    const xmlChild = xmlChildren[i];
+    // Custom data for an advanced block.
+    if (block.domToMutation) {
+      block.domToMutation(xmlChild);
+      if ((block as BlockSvg).initSvg) {
+        // Mutation may have added some elements that need initializing.
+        shouldCallInitSvg = true;
+      }
+    }
+  }
+  return shouldCallInitSvg;
+}
+
+/**
+ * Applies comment tag child nodes to the given block.
+ *
+ * @param xmlChildren Child nodes.
+ * @param block The block to apply the child nodes on.
+ */
+function applyCommentTagNodes(xmlChildren: Element[], block: Block) {
+  for (let i = 0; i < xmlChildren.length; i++) {
+    const xmlChild = xmlChildren[i];
+    const text = xmlChild.textContent;
+    const pinned = xmlChild.getAttribute('pinned') === 'true';
+    const width = parseInt(xmlChild.getAttribute('w') ?? '50', 10);
+    const height = parseInt(xmlChild.getAttribute('h') ?? '50', 10);
+
+    block.setCommentText(text);
+    const comment = block.getIcon(IconType.COMMENT)!;
+    if (!isNaN(width) && !isNaN(height)) {
+      comment.setBubbleSize(new Size(width, height));
+    }
+    // Set the pinned state of the bubble.
+    comment.setBubbleVisible(pinned);
+    // Actually show the bubble after the block has been rendered.
+    setTimeout(() => comment.setBubbleVisible(pinned), 1);
+  }
+}
+
+/**
+ * Applies data tag child nodes to the given block.
+ *
+ * @param xmlChildren Child nodes.
+ * @param block The block to apply the child nodes on.
+ */
+function applyDataTagNodes(xmlChildren: Element[], block: Block) {
+  for (let i = 0; i < xmlChildren.length; i++) {
+    const xmlChild = xmlChildren[i];
+    block.data = xmlChild.textContent;
+  }
+}
+
+/**
+ * Applies field tag child nodes to the given block.
+ *
+ * @param xmlChildren Child nodes.
+ * @param block The block to apply the child nodes on.
+ */
+function applyFieldTagNodes(xmlChildren: Element[], block: Block) {
+  for (let i = 0; i < xmlChildren.length; i++) {
+    const xmlChild = xmlChildren[i];
+    const nodeName = xmlChild.getAttribute('name');
+    if (!nodeName) {
+      console.warn(`Ignoring unnamed field in block ${block.type}`);
+      continue;
+    }
+    domToField(block, nodeName, xmlChild);
+  }
+}
+
+/**
+ * Finds any enclosed blocks or shadows within this XML node.
+ *
+ * @param xmlNode The XML node to extract child block info from.
+ * @returns Any found child block.
+ */
+function findChildBlocks(xmlNode: Element): {
+  childBlockElement: Element | null;
+  childShadowElement: Element | null;
+} {
+  let childBlockElement: Element | null = null;
+  let childShadowElement: Element | null = null;
+  for (let i = 0; i < xmlNode.childNodes.length; i++) {
+    const xmlChild = xmlNode.childNodes[i];
+    if (isElement(xmlChild)) {
+      if (xmlChild.nodeName.toLowerCase() === 'block') {
+        childBlockElement = xmlChild;
+      } else if (xmlChild.nodeName.toLowerCase() === 'shadow') {
+        childShadowElement = xmlChild;
+      }
+    }
+  }
+  return {childBlockElement, childShadowElement};
+}
+/**
+ * Applies input child nodes (value or statement) to the given block.
+ *
+ * @param xmlChildren Child nodes.
+ * @param workspace The workspace containing the given block.
+ * @param block The block to apply the child nodes on.
+ * @param prototypeName The prototype name of the block.
+ */
+function applyInputTagNodes(
+  xmlChildren: Element[],
+  workspace: Workspace,
+  block: Block,
+  prototypeName: string,
+) {
+  for (let i = 0; i < xmlChildren.length; i++) {
+    const xmlChild = xmlChildren[i];
+    const nodeName = xmlChild.getAttribute('name');
+    const input = nodeName ? block.getInput(nodeName) : null;
+    if (!input) {
+      console.warn(
+        'Ignoring non-existent input ' +
+          nodeName +
+          ' in block ' +
+          prototypeName,
+      );
+      break;
+    }
+    const childBlockInfo = findChildBlocks(xmlChild);
+    if (childBlockInfo.childBlockElement) {
+      if (!input.connection) {
+        throw TypeError('Input connection does not exist.');
+      }
+      domToBlockHeadless(
+        childBlockInfo.childBlockElement,
+        workspace,
+        input.connection,
+        false,
+      );
+    }
+    // Set shadow after so we don't create a shadow we delete immediately.
+    if (childBlockInfo.childShadowElement) {
+      input.connection?.setShadowDom(childBlockInfo.childShadowElement);
+    }
+  }
+}
+
+/**
+ * Applies next child nodes to the given block.
+ *
+ * @param xmlChildren Child nodes.
+ * @param workspace The workspace containing the given block.
+ * @param block The block to apply the child nodes on.
+ */
+function applyNextTagNodes(
+  xmlChildren: Element[],
+  workspace: Workspace,
+  block: Block,
+) {
+  for (let i = 0; i < xmlChildren.length; i++) {
+    const xmlChild = xmlChildren[i];
+    const childBlockInfo = findChildBlocks(xmlChild);
+    if (childBlockInfo.childBlockElement) {
+      if (!block.nextConnection) {
+        throw TypeError('Next statement does not exist.');
+      }
+      // If there is more than one XML 'next' tag.
+      if (block.nextConnection.isConnected()) {
+        throw TypeError('Next statement is already connected.');
+      }
+      // Create child block.
+      domToBlockHeadless(
+        childBlockInfo.childBlockElement,
+        workspace,
+        block.nextConnection,
+        true,
+      );
+    }
+    // Set shadow after so we don't create a shadow we delete immediately.
+    if (childBlockInfo.childShadowElement && block.nextConnection) {
+      block.nextConnection.setShadowDom(childBlockInfo.childShadowElement);
+    }
+  }
+}
+
+/**
+ * Decode an XML block tag and create a block (and possibly sub blocks) on the
+ * workspace.
+ *
+ * @param xmlBlock XML block element.
+ * @param workspace The workspace.
+ * @param parentConnection The parent connection to connect this block to
+ *     after instantiating.
+ * @param connectedToParentNext Whether the provided parent connection is a next
+ *     connection, rather than output or statement.
+ * @returns The root block created.
+ */
+function domToBlockHeadless(
+  xmlBlock: Element,
+  workspace: Workspace,
+  parentConnection?: Connection,
+  connectedToParentNext?: boolean,
+): Block {
+  let block = null;
+  const prototypeName = xmlBlock.getAttribute('type');
+  if (!prototypeName) {
+    throw TypeError('Block type unspecified: ' + xmlBlock.outerHTML);
+  }
+  const id = xmlBlock.getAttribute('id') ?? undefined;
+  block = workspace.newBlock(prototypeName, id);
+
+  // Preprocess childNodes so tags can be processed in a consistent order.
+  const xmlChildNameMap = mapSupportedXmlTags(xmlBlock);
+
+  const shouldCallInitSvg = applyMutationTagNodes(
+    xmlChildNameMap.mutation,
+    block,
+  );
+  applyCommentTagNodes(xmlChildNameMap.comment, block);
+  applyDataTagNodes(xmlChildNameMap.data, block);
+
+  // Connect parent after processing mutation and before setting fields.
+  if (parentConnection) {
+    if (connectedToParentNext) {
+      if (block.previousConnection) {
+        parentConnection.connect(block.previousConnection);
+      } else {
+        throw TypeError('Next block does not have previous statement.');
+      }
+    } else {
+      if (block.outputConnection) {
+        parentConnection.connect(block.outputConnection);
+      } else if (block.previousConnection) {
+        parentConnection.connect(block.previousConnection);
+      } else {
+        throw TypeError(
+          'Child block does not have output or previous statement.',
+        );
+      }
+    }
+  }
+
+  applyFieldTagNodes(xmlChildNameMap.field, block);
+  applyInputTagNodes(xmlChildNameMap.input, workspace, block, prototypeName);
+  applyNextTagNodes(xmlChildNameMap.next, workspace, block);
+
+  if (shouldCallInitSvg) {
+    // This shouldn't even be called here
+    // (ref: https://github.com/google/blockly/pull/4296#issuecomment-884226021
+    // But the XML serializer/deserializer is iceboxed so I'm not going to fix
+    // it.
+    (block as BlockSvg).initSvg();
+  }
+
+  const inline = xmlBlock.getAttribute('inline');
+  if (inline) {
+    block.setInputsInline(inline === 'true');
+  }
+  const disabled = xmlBlock.getAttribute('disabled');
+  if (disabled) {
+    // Before May 2024 we just used 'disabled', with no reasons.
+    // Contiune to support this syntax.
+    block.setDisabledReason(
+      disabled === 'true' || disabled === 'disabled',
+      MANUALLY_DISABLED,
+    );
+  }
+  const disabledReasons = xmlBlock.getAttribute('disabled-reasons');
+  if (disabledReasons !== null) {
+    for (const reason of disabledReasons.split(',')) {
+      // Use decodeURIComponent to restore characters that were encoded in the
+      // value, such as commas.
+      block.setDisabledReason(true, decodeURIComponent(reason));
+    }
+  }
+  const deletable = xmlBlock.getAttribute('deletable');
+  if (deletable) {
+    block.setDeletable(deletable === 'true');
+  }
+  const movable = xmlBlock.getAttribute('movable');
+  if (movable) {
+    block.setMovable(movable === 'true');
+  }
+  const editable = xmlBlock.getAttribute('editable');
+  if (editable) {
+    block.setEditable(editable === 'true');
+  }
+  const collapsed = xmlBlock.getAttribute('collapsed');
+  if (collapsed) {
+    block.setCollapsed(collapsed === 'true');
+  }
+  if (xmlBlock.nodeName.toLowerCase() === 'shadow') {
+    // Ensure all children are also shadows.
+    const children = block.getChildren(false);
+    for (let i = 0; i < children.length; i++) {
+      const child = children[i];
+      if (!child.isShadow()) {
+        throw TypeError('Shadow block not allowed non-shadow child.');
+      }
+    }
+
+    block.setShadow(true);
+  }
+  return block;
+}
+
+/**
+ * Decode an XML field tag and set the value of that field on the given block.
+ *
+ * @param block The block that is currently being deserialized.
+ * @param fieldName The name of the field on the block.
+ * @param xml The field tag to decode.
+ */
+function domToField(block: Block, fieldName: string, xml: Element) {
+  const field = block.getField(fieldName);
+  if (!field) {
+    console.warn(
+      'Ignoring non-existent field ' + fieldName + ' in block ' + block.type,
+    );
+    return;
+  }
+  field.fromXml(xml);
+}
+
+/**
+ * Remove any 'next' block (statements in a stack).
+ *
+ * @param xmlBlock XML block element or an empty DocumentFragment if the block
+ *     was an insertion marker.
+ */
+export function deleteNext(xmlBlock: Element | DocumentFragment) {
+  for (let i = 0; i < xmlBlock.childNodes.length; i++) {
+    const child = xmlBlock.childNodes[i];
+    if (child.nodeName.toLowerCase() === 'next') {
+      xmlBlock.removeChild(child);
+      break;
+    }
+  }
+}
+
+function isElement(node: Node): node is Element {
+  return node.nodeType === dom.NodeType.ELEMENT_NODE;
+}
diff --git a/core/zoom_controls.js b/core/zoom_controls.js
deleted file mode 100644
index 867fead0d92..00000000000
--- a/core/zoom_controls.js
+++ /dev/null
@@ -1,449 +0,0 @@
-/**
- * @license
- * Copyright 2015 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Object representing a zoom icons.
- * @author carloslfu@gmail.com (Carlos Galarza)
- */
-'use strict';
-
-goog.provide('Blockly.ZoomControls');
-
-goog.require('Blockly.Css');
-goog.require('Blockly.Scrollbar');
-goog.require('Blockly.Touch');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.Svg');
-
-
-/**
- * Class for a zoom controls.
- * @param {!Blockly.WorkspaceSvg} workspace The workspace to sit in.
- * @constructor
- */
-Blockly.ZoomControls = function(workspace) {
-  /**
-   * @type {!Blockly.WorkspaceSvg}
-   * @private
-   */
-  this.workspace_ = workspace;
-
-  /**
-   * A handle to use to unbind the mouse down event handler for zoom reset
-   *    button. Opaque data returned from Blockly.bindEventWithChecks_.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onZoomResetWrapper_ = null;
-
-  /**
-   * A handle to use to unbind the mouse down event handler for zoom in button.
-   * Opaque data returned from Blockly.bindEventWithChecks_.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onZoomInWrapper_ = null;
-
-  /**
-   * A handle to use to unbind the mouse down event handler for zoom out button.
-   * Opaque data returned from Blockly.bindEventWithChecks_.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.onZoomOutWrapper_ = null;
-
-  /**
-   * The vertical distance between the workspace bottom edge and the control.
-   * The value is initialized during `init`.
-   * @type {?number}
-   * @private
-   */
-  this.verticalSpacing_ = null;
-
-  /**
-   * The zoom in svg <g> element.
-   * @type {SVGGElement}
-   * @private
-   */
-  this.zoomInGroup_ = null;
-
-  /**
-   * The zoom out svg <g> element.
-   * @type {SVGGElement}
-   * @private
-   */
-  this.zoomOutGroup_ = null;
-
-  /**
-   * The zoom reset svg <g> element.
-   * @type {SVGGElement}
-   * @private
-   */
-  this.zoomResetGroup_ = null;
-};
-
-/**
- * Width of the zoom controls.
- * @type {number}
- * @private
- */
-Blockly.ZoomControls.prototype.WIDTH_ = 32;
-
-/**
- * Height of the zoom controls.
- * @type {number}
- * @private
- */
-Blockly.ZoomControls.prototype.HEIGHT_ = 110;
-
-/**
- * Distance between zoom controls and bottom edge of workspace.
- * @type {number}
- * @private
- */
-Blockly.ZoomControls.prototype.MARGIN_BOTTOM_ = 20;
-
-/**
- * Distance between zoom controls and right edge of workspace.
- * @type {number}
- * @private
- */
-Blockly.ZoomControls.prototype.MARGIN_SIDE_ = 20;
-
-/**
- * The SVG group containing the zoom controls.
- * @type {SVGElement}
- * @private
- */
-Blockly.ZoomControls.prototype.svgGroup_ = null;
-
-/**
- * Left coordinate of the zoom controls.
- * @type {number}
- * @private
- */
-Blockly.ZoomControls.prototype.left_ = 0;
-
-/**
- * Top coordinate of the zoom controls.
- * @type {number}
- * @private
- */
-Blockly.ZoomControls.prototype.top_ = 0;
-
-
-/**
- * Create the zoom controls.
- * @return {!SVGElement} The zoom controls SVG group.
- */
-Blockly.ZoomControls.prototype.createDom = function() {
-  this.svgGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G, {}, null);
-
-  // Each filter/pattern needs a unique ID for the case of multiple Blockly
-  // instances on a page.  Browser behaviour becomes undefined otherwise.
-  // https://neil.fraser.name/news/2015/11/01/
-  var rnd = String(Math.random()).substring(2);
-  this.createZoomOutSvg_(rnd);
-  this.createZoomInSvg_(rnd);
-  if (this.workspace_.isMovable()) {
-    // If we zoom to the center and the workspace isn't movable we could
-    // loose blocks at the edges of the workspace.
-    this.createZoomResetSvg_(rnd);
-  }
-  return this.svgGroup_;
-};
-
-/**
- * Initialize the zoom controls.
- * @param {number} verticalSpacing Vertical distances from workspace edge to the
- *    same edge of the controls.
- * @return {number} Vertical distance from workspace edge to the opposite
- *    edge of the controls.
- */
-Blockly.ZoomControls.prototype.init = function(verticalSpacing) {
-  this.verticalSpacing_ = this.MARGIN_BOTTOM_ + verticalSpacing;
-  return this.verticalSpacing_ + this.HEIGHT_;
-};
-
-/**
- * Dispose of this zoom controls.
- * Unlink from all DOM elements to prevent memory leaks.
- */
-Blockly.ZoomControls.prototype.dispose = function() {
-  if (this.svgGroup_) {
-    Blockly.utils.dom.removeNode(this.svgGroup_);
-  }
-  if (this.onZoomResetWrapper_) {
-    Blockly.unbindEvent_(this.onZoomResetWrapper_);
-  }
-  if (this.onZoomInWrapper_) {
-    Blockly.unbindEvent_(this.onZoomInWrapper_);
-  }
-  if (this.onZoomOutWrapper_) {
-    Blockly.unbindEvent_(this.onZoomOutWrapper_);
-  }
-};
-
-/**
- * Position the zoom controls.
- * It is positioned in the opposite corner to the corner the
- * categories/toolbox starts at.
- */
-Blockly.ZoomControls.prototype.position = function() {
-  // Not yet initialized.
-  if (!this.verticalSpacing_) {
-    return;
-  }
-  var metrics = this.workspace_.getMetrics();
-  if (!metrics) {
-    // There are no metrics available (workspace is probably not visible).
-    return;
-  }
-  if (metrics.toolboxPosition == Blockly.TOOLBOX_AT_LEFT ||
-      (this.workspace_.horizontalLayout && !this.workspace_.RTL)) {
-    // Toolbox starts in the left corner.
-    this.left_ = metrics.viewWidth + metrics.absoluteLeft -
-        this.WIDTH_ - this.MARGIN_SIDE_ - Blockly.Scrollbar.scrollbarThickness;
-  } else {
-    // Toolbox starts in the right corner.
-    this.left_ = this.MARGIN_SIDE_ + Blockly.Scrollbar.scrollbarThickness;
-  }
-
-  if (metrics.toolboxPosition == Blockly.TOOLBOX_AT_BOTTOM) {
-    this.top_ = this.verticalSpacing_;
-    this.zoomInGroup_.setAttribute('transform', 'translate(0, 34)');
-    if (this.zoomResetGroup_) {
-      this.zoomResetGroup_.setAttribute('transform', 'translate(0, 77)');
-    }
-  } else {
-    this.top_ = metrics.viewHeight + metrics.absoluteTop -
-        this.HEIGHT_ - this.verticalSpacing_;
-    this.zoomInGroup_.setAttribute('transform', 'translate(0, 43)');
-    this.zoomOutGroup_.setAttribute('transform', 'translate(0, 77)');
-  }
-
-  this.svgGroup_.setAttribute('transform',
-      'translate(' + this.left_ + ',' + this.top_ + ')');
-};
-
-/**
- * Create the zoom in icon and its event handler.
- * @param {string} rnd The random string to use as a suffix in the clip path's
- *     ID.  These IDs must be unique in case there are multiple Blockly
- *     instances on the same page.
- * @private
- */
-Blockly.ZoomControls.prototype.createZoomOutSvg_ = function(rnd) {
-  /* This markup will be generated and added to the .svgGroup_:
-  <g class="blocklyZoom">
-    <clipPath id="blocklyZoomoutClipPath837493">
-      <rect width="32" height="32></rect>
-    </clipPath>
-    <image width="96" height="124" x="-64" y="-92" xlink:href="media/sprites.png"
-        clip-path="url(#blocklyZoomoutClipPath837493)"></image>
-  </g>
-  */
-  this.zoomOutGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G,
-      {'class': 'blocklyZoom'}, this.svgGroup_);
-  var clip = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.CLIPPATH,
-      {
-        'id': 'blocklyZoomoutClipPath' + rnd
-      },
-      this.zoomOutGroup_);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'width': 32,
-        'height': 32,
-      },
-      clip);
-  var zoomoutSvg = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.IMAGE,
-      {
-        'width': Blockly.SPRITE.width,
-        'height': Blockly.SPRITE.height,
-        'x': -64,
-        'y': -92,
-        'clip-path': 'url(#blocklyZoomoutClipPath' + rnd + ')'
-      },
-      this.zoomOutGroup_);
-  zoomoutSvg.setAttributeNS(Blockly.utils.dom.XLINK_NS, 'xlink:href',
-      this.workspace_.options.pathToMedia + Blockly.SPRITE.url);
-
-  // Attach listener.
-  this.onZoomOutWrapper_ = Blockly.bindEventWithChecks_(
-      this.zoomOutGroup_, 'mousedown', null, this.zoom_.bind(this, -1));
-};
-
-/**
- * Create the zoom out icon and its event handler.
- * @param {string} rnd The random string to use as a suffix in the clip path's
- *     ID.  These IDs must be unique in case there are multiple Blockly
- *     instances on the same page.
- * @private
- */
-Blockly.ZoomControls.prototype.createZoomInSvg_ = function(rnd) {
-  /* This markup will be generated and added to the .svgGroup_:
-  <g class="blocklyZoom">
-    <clipPath id="blocklyZoominClipPath837493">
-      <rect width="32" height="32"></rect>
-    </clipPath>
-    <image width="96" height="124" x="-32" y="-92" xlink:href="media/sprites.png"
-        clip-path="url(#blocklyZoominClipPath837493)"></image>
-  </g>
-  */
-  this.zoomInGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G,
-      {'class': 'blocklyZoom'}, this.svgGroup_);
-  var clip = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.CLIPPATH,
-      {
-        'id': 'blocklyZoominClipPath' + rnd
-      },
-      this.zoomInGroup_);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'width': 32,
-        'height': 32,
-      },
-      clip);
-  var zoominSvg = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.IMAGE,
-      {
-        'width': Blockly.SPRITE.width,
-        'height': Blockly.SPRITE.height,
-        'x': -32,
-        'y': -92,
-        'clip-path': 'url(#blocklyZoominClipPath' + rnd + ')'
-      },
-      this.zoomInGroup_);
-  zoominSvg.setAttributeNS(Blockly.utils.dom.XLINK_NS, 'xlink:href',
-      this.workspace_.options.pathToMedia + Blockly.SPRITE.url);
-
-  // Attach listener.
-  this.onZoomInWrapper_ = Blockly.bindEventWithChecks_(
-      this.zoomInGroup_, 'mousedown', null, this.zoom_.bind(this, 1));
-};
-
-/**
- * Handles a mouse down event on the zoom in or zoom out buttons on the
- *    workspace.
- * @param {number} amount Amount of zooming. Negative amount values zoom out,
- *    and positive amount values zoom in.
- * @param {!Event} e A mouse down event.
- * @private
- */
-Blockly.ZoomControls.prototype.zoom_ = function(amount, e) {
-  this.workspace_.markFocused();
-  var oldZoom = this.workspace_.scale;
-  this.workspace_.zoomCenter(amount);
-  this.fireZoomEvent_(oldZoom);
-  Blockly.Touch.clearTouchIdentifier();  // Don't block future drags.
-  e.stopPropagation();  // Don't start a workspace scroll.
-  e.preventDefault();  // Stop double-clicking from selecting text.
-};
-
-/**
- * Create the zoom reset icon and its event handler.
- * @param {string} rnd The random string to use as a suffix in the clip path's
- *     ID.  These IDs must be unique in case there are multiple Blockly
- *     instances on the same page.
- * @private
- */
-Blockly.ZoomControls.prototype.createZoomResetSvg_ = function(rnd) {
-  /* This markup will be generated and added to the .svgGroup_:
-  <g class="blocklyZoom">
-    <clipPath id="blocklyZoomresetClipPath837493">
-      <rect width="32" height="32"></rect>
-    </clipPath>
-    <image width="96" height="124" x="-32" y="-92" xlink:href="media/sprites.png"
-        clip-path="url(#blocklyZoomresetClipPath837493)"></image>
-  </g>
-  */
-  this.zoomResetGroup_ = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G,
-      {'class': 'blocklyZoom'}, this.svgGroup_);
-  var clip = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.CLIPPATH,
-      {
-        'id': 'blocklyZoomresetClipPath' + rnd
-      },
-      this.zoomResetGroup_);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.RECT,
-      {
-        'width': 32,
-        'height': 32
-      },
-      clip);
-  var zoomresetSvg = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.IMAGE,
-      {
-        'width': Blockly.SPRITE.width,
-        'height': Blockly.SPRITE.height,
-        'y': -92,
-        'clip-path': 'url(#blocklyZoomresetClipPath' + rnd + ')'
-      },
-      this.zoomResetGroup_);
-  zoomresetSvg.setAttributeNS(Blockly.utils.dom.XLINK_NS, 'xlink:href',
-      this.workspace_.options.pathToMedia + Blockly.SPRITE.url);
-
-  // Attach event listeners.
-  this.onZoomResetWrapper_ = Blockly.bindEventWithChecks_(
-      this.zoomResetGroup_, 'mousedown', null, this.resetZoom_.bind(this));
-};
-
-/**
- * Handles a mouse down event on the reset zoom button on the workspace.
- * @param {!Event} e A mouse down event.
- * @private
- */
-Blockly.ZoomControls.prototype.resetZoom_ = function(e) {
-  this.workspace_.markFocused();
-  var oldZoom = this.workspace_.scale;
-  this.workspace_.setScale(this.workspace_.options.zoomOptions.startScale);
-  this.workspace_.beginCanvasTransition();
-  this.workspace_.scrollCenter();
-  setTimeout(this.workspace_.endCanvasTransition.bind(this.workspace_), 500);
-  this.fireZoomEvent_(oldZoom);
-  Blockly.Touch.clearTouchIdentifier();  // Don't block future drags.
-  e.stopPropagation();  // Don't start a workspace scroll.
-  e.preventDefault();  // Stop double-clicking from selecting text.
-};
-
-/**
- * Fires a zoom control ui event.
- * @param {number} oldZoom The workspace scale before zoom happened.
- * @private
- */
-Blockly.ZoomControls.prototype.fireZoomEvent_ = function(oldZoom) {
-  var uiEvent = new Blockly.Events.Ui(null, 'zoom', oldZoom, this.workspace_.scale);
-  uiEvent.workspaceId = this.workspace_.id;
-  Blockly.Events.fire(uiEvent);
-};
-
-/**
- * CSS for zoom controls.  See css.js for use.
- */
-Blockly.Css.register([
-  /* eslint-disable indent */
-  '.blocklyZoom>image, .blocklyZoom>svg>image {',
-    'opacity: .4;',
-  '}',
-
-  '.blocklyZoom>image:hover, .blocklyZoom>svg>image:hover {',
-    'opacity: .6;',
-  '}',
-
-  '.blocklyZoom>image:active, .blocklyZoom>svg>image:active {',
-    'opacity: .8;',
-  '}'
-  /* eslint-enable indent */
-]);
diff --git a/core/zoom_controls.ts b/core/zoom_controls.ts
new file mode 100644
index 00000000000..6534c732271
--- /dev/null
+++ b/core/zoom_controls.ts
@@ -0,0 +1,492 @@
+/**
+ * @license
+ * Copyright 2015 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Object representing a zoom icons.
+ *
+ * @class
+ */
+// Former goog.module ID: Blockly.ZoomControls
+
+// Unused import preserved for side-effects. Remove if unneeded.
+import './events/events_click.js';
+
+import * as browserEvents from './browser_events.js';
+import {ComponentManager} from './component_manager.js';
+import * as Css from './css.js';
+import * as eventUtils from './events/utils.js';
+import type {IPositionable} from './interfaces/i_positionable.js';
+import type {UiMetrics} from './metrics_manager.js';
+import * as uiPosition from './positionable_helpers.js';
+import {SPRITE} from './sprites.js';
+import * as Touch from './touch.js';
+import * as dom from './utils/dom.js';
+import {Rect} from './utils/rect.js';
+import {Size} from './utils/size.js';
+import {Svg} from './utils/svg.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+
+/**
+ * Class for a zoom controls.
+ */
+export class ZoomControls implements IPositionable {
+  /**
+   * The unique ID for this component that is used to register with the
+   * ComponentManager.
+   */
+  id = 'zoomControls';
+
+  /**
+   * Array holding info needed to unbind events.
+   * Used for disposing.
+   * Ex: [[node, name, func], [node, name, func]].
+   */
+  private boundEvents: browserEvents.Data[] = [];
+
+  /** The zoom in svg <g> element. */
+  private zoomInGroup: SVGGElement | null = null;
+
+  /** The zoom out svg <g> element. */
+  private zoomOutGroup: SVGGElement | null = null;
+
+  /** The zoom reset svg <g> element. */
+  private zoomResetGroup: SVGGElement | null = null;
+
+  /** Width of the zoom controls. */
+  private readonly WIDTH = 32;
+
+  /** Height of each zoom control. */
+  private readonly HEIGHT = 32;
+
+  /** Small spacing used between the zoom in and out control, in pixels. */
+  private readonly SMALL_SPACING = 2;
+
+  /**
+   * Large spacing used between the zoom in and reset control, in pixels.
+   */
+  private readonly LARGE_SPACING = 11;
+
+  /** Distance between zoom controls and bottom or top edge of workspace. */
+  private readonly MARGIN_VERTICAL = 20;
+
+  /** Distance between zoom controls and right or left edge of workspace. */
+  private readonly MARGIN_HORIZONTAL = 20;
+
+  /** The SVG group containing the zoom controls. */
+  private svgGroup: SVGElement | null = null;
+
+  /** Left coordinate of the zoom controls. */
+  private left = 0;
+
+  /** Top coordinate of the zoom controls. */
+  private top = 0;
+
+  /** Whether this has been initialized. */
+  private initialized = false;
+
+  /** @param workspace The workspace to sit in. */
+  constructor(private readonly workspace: WorkspaceSvg) {}
+
+  /**
+   * Create the zoom controls.
+   *
+   * @returns The zoom controls SVG group.
+   */
+  createDom(): SVGElement {
+    this.svgGroup = dom.createSvgElement(Svg.G, {});
+
+    // Each filter/pattern needs a unique ID for the case of multiple Blockly
+    // instances on a page.  Browser behaviour becomes undefined otherwise.
+    // https://neil.fraser.name/news/2015/11/01/
+    const rnd = String(Math.random()).substring(2);
+    this.createZoomOutSvg(rnd);
+    this.createZoomInSvg(rnd);
+    if (this.workspace.isMovable()) {
+      // If we zoom to the center and the workspace isn't movable we could
+      // loose blocks at the edges of the workspace.
+      this.createZoomResetSvg(rnd);
+    }
+    return this.svgGroup;
+  }
+
+  /** Initializes the zoom controls. */
+  init() {
+    this.workspace.getComponentManager().addComponent({
+      component: this,
+      weight: 2,
+      capabilities: [ComponentManager.Capability.POSITIONABLE],
+    });
+    this.initialized = true;
+  }
+
+  /**
+   * Disposes of this zoom controls.
+   * Unlink from all DOM elements to prevent memory leaks.
+   */
+  dispose() {
+    this.workspace.getComponentManager().removeComponent('zoomControls');
+    if (this.svgGroup) {
+      dom.removeNode(this.svgGroup);
+    }
+    for (const event of this.boundEvents) {
+      browserEvents.unbind(event);
+    }
+    this.boundEvents.length = 0;
+  }
+
+  /**
+   * Returns the bounding rectangle of the UI element in pixel units relative to
+   * the Blockly injection div.
+   *
+   * @returns The UI elements's bounding box. Null if bounding box should be
+   *     ignored by other UI elements.
+   */
+  getBoundingRectangle(): Rect | null {
+    let height = this.SMALL_SPACING + 2 * this.HEIGHT;
+    if (this.zoomResetGroup) {
+      height += this.LARGE_SPACING + this.HEIGHT;
+    }
+    const bottom = this.top + height;
+    const right = this.left + this.WIDTH;
+    return new Rect(this.top, bottom, this.left, right);
+  }
+
+  /**
+   * Positions the zoom controls.
+   * It is positioned in the opposite corner to the corner the
+   * categories/toolbox starts at.
+   *
+   * @param metrics The workspace metrics.
+   * @param savedPositions List of rectangles that are already on the workspace.
+   */
+  position(metrics: UiMetrics, savedPositions: Rect[]) {
+    // Not yet initialized.
+    if (!this.initialized) {
+      return;
+    }
+
+    const cornerPosition = uiPosition.getCornerOppositeToolbox(
+      this.workspace,
+      metrics,
+    );
+    let height = this.SMALL_SPACING + 2 * this.HEIGHT;
+    if (this.zoomResetGroup) {
+      height += this.LARGE_SPACING + this.HEIGHT;
+    }
+    const startRect = uiPosition.getStartPositionRect(
+      cornerPosition,
+      new Size(this.WIDTH, height),
+      this.MARGIN_HORIZONTAL,
+      this.MARGIN_VERTICAL,
+      metrics,
+      this.workspace,
+    );
+
+    const verticalPosition = cornerPosition.vertical;
+    const bumpDirection =
+      verticalPosition === uiPosition.verticalPosition.TOP
+        ? uiPosition.bumpDirection.DOWN
+        : uiPosition.bumpDirection.UP;
+    const positionRect = uiPosition.bumpPositionRect(
+      startRect,
+      this.MARGIN_VERTICAL,
+      bumpDirection,
+      savedPositions,
+    );
+
+    if (verticalPosition === uiPosition.verticalPosition.TOP) {
+      const zoomInTranslateY = this.SMALL_SPACING + this.HEIGHT;
+      this.zoomInGroup?.setAttribute(
+        'transform',
+        'translate(0, ' + zoomInTranslateY + ')',
+      );
+      if (this.zoomResetGroup) {
+        const zoomResetTranslateY =
+          zoomInTranslateY + this.LARGE_SPACING + this.HEIGHT;
+        this.zoomResetGroup.setAttribute(
+          'transform',
+          'translate(0, ' + zoomResetTranslateY + ')',
+        );
+      }
+    } else {
+      const zoomInTranslateY = this.zoomResetGroup
+        ? this.LARGE_SPACING + this.HEIGHT
+        : 0;
+      this.zoomInGroup?.setAttribute(
+        'transform',
+        'translate(0, ' + zoomInTranslateY + ')',
+      );
+      const zoomOutTranslateY =
+        zoomInTranslateY + this.SMALL_SPACING + this.HEIGHT;
+      this.zoomOutGroup?.setAttribute(
+        'transform',
+        'translate(0, ' + zoomOutTranslateY + ')',
+      );
+    }
+
+    this.top = positionRect.top;
+    this.left = positionRect.left;
+    this.svgGroup?.setAttribute(
+      'transform',
+      'translate(' + this.left + ',' + this.top + ')',
+    );
+  }
+
+  /**
+   * Create the zoom in icon and its event handler.
+   *
+   * @param rnd The random string to use as a suffix in the clip path's ID.
+   *     These IDs must be unique in case there are multiple Blockly instances
+   *     on the same page.
+   */
+  private createZoomOutSvg(rnd: string) {
+    /* This markup will be generated and added to the .svgGroup:
+        <g class="blocklyZoom">
+          <clipPath id="blocklyZoomoutClipPath837493">
+            <rect width="32" height="32></rect>
+          </clipPath>
+          <image width="96" height="124" x="-64" y="-92"
+        xlink:href="media/sprites.png"
+              clip-path="url(#blocklyZoomoutClipPath837493)"></image>
+        </g>
+        */
+    this.zoomOutGroup = dom.createSvgElement(
+      Svg.G,
+      {'class': 'blocklyZoom blocklyZoomOut'},
+      this.svgGroup,
+    );
+    const clip = dom.createSvgElement(
+      Svg.CLIPPATH,
+      {'id': 'blocklyZoomoutClipPath' + rnd},
+      this.zoomOutGroup,
+    );
+    dom.createSvgElement(
+      Svg.RECT,
+      {
+        'width': 32,
+        'height': 32,
+      },
+      clip,
+    );
+    const zoomoutSvg = dom.createSvgElement(
+      Svg.IMAGE,
+      {
+        'width': SPRITE.width,
+        'height': SPRITE.height,
+        'x': -64,
+        'y': -92,
+        'clip-path': 'url(#blocklyZoomoutClipPath' + rnd + ')',
+      },
+      this.zoomOutGroup,
+    );
+    zoomoutSvg.setAttributeNS(
+      dom.XLINK_NS,
+      'xlink:href',
+      this.workspace.options.pathToMedia + SPRITE.url,
+    );
+
+    // Attach listener.
+    this.boundEvents.push(
+      browserEvents.conditionalBind(
+        this.zoomOutGroup,
+        'pointerdown',
+        null,
+        this.zoom.bind(this, -1),
+      ),
+    );
+  }
+
+  /**
+   * Create the zoom out icon and its event handler.
+   *
+   * @param rnd The random string to use as a suffix in the clip path's ID.
+   *     These IDs must be unique in case there are multiple Blockly instances
+   *     on the same page.
+   */
+  private createZoomInSvg(rnd: string) {
+    /* This markup will be generated and added to the .svgGroup:
+        <g class="blocklyZoom">
+          <clipPath id="blocklyZoominClipPath837493">
+            <rect width="32" height="32"></rect>
+          </clipPath>
+          <image width="96" height="124" x="-32" y="-92"
+        xlink:href="media/sprites.png"
+              clip-path="url(#blocklyZoominClipPath837493)"></image>
+        </g>
+        */
+    this.zoomInGroup = dom.createSvgElement(
+      Svg.G,
+      {'class': 'blocklyZoom blocklyZoomIn'},
+      this.svgGroup,
+    );
+    const clip = dom.createSvgElement(
+      Svg.CLIPPATH,
+      {'id': 'blocklyZoominClipPath' + rnd},
+      this.zoomInGroup,
+    );
+    dom.createSvgElement(
+      Svg.RECT,
+      {
+        'width': 32,
+        'height': 32,
+      },
+      clip,
+    );
+    const zoominSvg = dom.createSvgElement(
+      Svg.IMAGE,
+      {
+        'width': SPRITE.width,
+        'height': SPRITE.height,
+        'x': -32,
+        'y': -92,
+        'clip-path': 'url(#blocklyZoominClipPath' + rnd + ')',
+      },
+      this.zoomInGroup,
+    );
+    zoominSvg.setAttributeNS(
+      dom.XLINK_NS,
+      'xlink:href',
+      this.workspace.options.pathToMedia + SPRITE.url,
+    );
+
+    // Attach listener.
+    this.boundEvents.push(
+      browserEvents.conditionalBind(
+        this.zoomInGroup,
+        'pointerdown',
+        null,
+        this.zoom.bind(this, 1),
+      ),
+    );
+  }
+
+  /**
+   * Handles a mouse down event on the zoom in or zoom out buttons on the
+   *    workspace.
+   *
+   * @param amount Amount of zooming. Negative amount values zoom out, and
+   *     positive amount values zoom in.
+   * @param e A mouse down event.
+   */
+  private zoom(amount: number, e: PointerEvent) {
+    this.workspace.markFocused();
+    this.workspace.zoomCenter(amount);
+    this.fireZoomEvent();
+    Touch.clearTouchIdentifier(); // Don't block future drags.
+    e.stopPropagation(); // Don't start a workspace scroll.
+    e.preventDefault(); // Stop double-clicking from selecting text.
+  }
+
+  /**
+   * Create the zoom reset icon and its event handler.
+   *
+   * @param rnd The random string to use as a suffix in the clip path's ID.
+   *     These IDs must be unique in case there are multiple Blockly instances
+   *     on the same page.
+   */
+  private createZoomResetSvg(rnd: string) {
+    /* This markup will be generated and added to the .svgGroup:
+        <g class="blocklyZoom">
+          <clipPath id="blocklyZoomresetClipPath837493">
+            <rect width="32" height="32"></rect>
+          </clipPath>
+          <image width="96" height="124" x="-32" y="-92"
+        xlink:href="media/sprites.png"
+              clip-path="url(#blocklyZoomresetClipPath837493)"></image>
+        </g>
+        */
+    this.zoomResetGroup = dom.createSvgElement(
+      Svg.G,
+      {'class': 'blocklyZoom blocklyZoomReset'},
+      this.svgGroup,
+    );
+    const clip = dom.createSvgElement(
+      Svg.CLIPPATH,
+      {'id': 'blocklyZoomresetClipPath' + rnd},
+      this.zoomResetGroup,
+    );
+    dom.createSvgElement(Svg.RECT, {'width': 32, 'height': 32}, clip);
+    const zoomresetSvg = dom.createSvgElement(
+      Svg.IMAGE,
+      {
+        'width': SPRITE.width,
+        'height': SPRITE.height,
+        'y': -92,
+        'clip-path': 'url(#blocklyZoomresetClipPath' + rnd + ')',
+      },
+      this.zoomResetGroup,
+    );
+    zoomresetSvg.setAttributeNS(
+      dom.XLINK_NS,
+      'xlink:href',
+      this.workspace.options.pathToMedia + SPRITE.url,
+    );
+
+    // Attach event listeners.
+    this.boundEvents.push(
+      browserEvents.conditionalBind(
+        this.zoomResetGroup,
+        'pointerdown',
+        null,
+        this.resetZoom.bind(this),
+      ),
+    );
+  }
+
+  /**
+   * Handles a mouse down event on the reset zoom button on the workspace.
+   *
+   * @param e A mouse down event.
+   */
+  private resetZoom(e: PointerEvent) {
+    this.workspace.markFocused();
+
+    // zoom is passed amount and computes the new scale using the formula:
+    // targetScale = currentScale * Math.pow(speed, amount)
+    const targetScale = this.workspace.options.zoomOptions.startScale;
+    const currentScale = this.workspace.scale;
+    const speed = this.workspace.options.zoomOptions.scaleSpeed;
+    // To compute amount:
+    // amount = log(speed, (targetScale / currentScale))
+    // Math.log computes natural logarithm (ln), to change the base, use
+    // formula: log(base, value) = ln(value) / ln(base)
+    const amount = Math.log(targetScale / currentScale) / Math.log(speed);
+    this.workspace.beginCanvasTransition();
+    this.workspace.zoomCenter(amount);
+    this.workspace.scrollCenter();
+
+    setTimeout(this.workspace.endCanvasTransition.bind(this.workspace), 500);
+    this.fireZoomEvent();
+    Touch.clearTouchIdentifier(); // Don't block future drags.
+    e.stopPropagation(); // Don't start a workspace scroll.
+    e.preventDefault(); // Stop double-clicking from selecting text.
+  }
+
+  /** Fires a zoom control UI event. */
+  private fireZoomEvent() {
+    const uiEvent = new (eventUtils.get(eventUtils.CLICK))(
+      null,
+      this.workspace.id,
+      'zoom_controls',
+    );
+    eventUtils.fire(uiEvent);
+  }
+}
+
+/** CSS for zoom controls.  See css.js for use. */
+Css.register(`
+.blocklyZoom>image, .blocklyZoom>svg>image {
+  opacity: .4;
+}
+
+.blocklyZoom>image:hover, .blocklyZoom>svg>image:hover {
+  opacity: .6;
+}
+
+.blocklyZoom>image:active, .blocklyZoom>svg>image:active {
+  opacity: .8;
+}
+`);
diff --git a/dart_compressed.js b/dart_compressed.js
deleted file mode 100644
index d02ea044fe6..00000000000
--- a/dart_compressed.js
+++ /dev/null
@@ -1,114 +0,0 @@
-// Do not edit this file; automatically generated by gulp.
-
-/* eslint-disable */
-;(function(root, factory) {
-  if (typeof define === 'function' && define.amd) { // AMD
-    define(['./blockly_compressed.js'], factory);
-  } else if (typeof exports === 'object') { // Node.js
-    module.exports = factory(require('./blockly_compressed.js'));
-  } else { // Browser
-    root.Blockly.Dart = factory(root.Blockly);
-  }
-}(this, function(Blockly) {
-  'use strict';Blockly.Dart=new Blockly.Generator("Dart");Blockly.Dart.addReservedWords("assert,break,case,catch,class,const,continue,default,do,else,enum,extends,false,final,finally,for,if,in,is,new,null,rethrow,return,super,switch,this,throw,true,try,var,void,while,with,print,identityHashCode,identical,BidirectionalIterator,Comparable,double,Function,int,Invocation,Iterable,Iterator,List,Map,Match,num,Pattern,RegExp,Set,StackTrace,String,StringSink,Type,bool,DateTime,Deprecated,Duration,Expando,Null,Object,RuneIterator,Runes,Stopwatch,StringBuffer,Symbol,Uri,Comparator,AbstractClassInstantiationError,ArgumentError,AssertionError,CastError,ConcurrentModificationError,CyclicInitializationError,Error,Exception,FallThroughError,FormatException,IntegerDivisionByZeroException,NoSuchMethodError,NullThrownError,OutOfMemoryError,RangeError,StackOverflowError,StateError,TypeError,UnimplementedError,UnsupportedError");
-Blockly.Dart.ORDER_ATOMIC=0;Blockly.Dart.ORDER_UNARY_POSTFIX=1;Blockly.Dart.ORDER_UNARY_PREFIX=2;Blockly.Dart.ORDER_MULTIPLICATIVE=3;Blockly.Dart.ORDER_ADDITIVE=4;Blockly.Dart.ORDER_SHIFT=5;Blockly.Dart.ORDER_BITWISE_AND=6;Blockly.Dart.ORDER_BITWISE_XOR=7;Blockly.Dart.ORDER_BITWISE_OR=8;Blockly.Dart.ORDER_RELATIONAL=9;Blockly.Dart.ORDER_EQUALITY=10;Blockly.Dart.ORDER_LOGICAL_AND=11;Blockly.Dart.ORDER_LOGICAL_OR=12;Blockly.Dart.ORDER_IF_NULL=13;Blockly.Dart.ORDER_CONDITIONAL=14;
-Blockly.Dart.ORDER_CASCADE=15;Blockly.Dart.ORDER_ASSIGNMENT=16;Blockly.Dart.ORDER_NONE=99;
-Blockly.Dart.init=function(a){Blockly.Dart.definitions_=Object.create(null);Blockly.Dart.functionNames_=Object.create(null);Blockly.Dart.variableDB_?Blockly.Dart.variableDB_.reset():Blockly.Dart.variableDB_=new Blockly.Names(Blockly.Dart.RESERVED_WORDS_);Blockly.Dart.variableDB_.setVariableMap(a.getVariableMap());for(var b=[],c=Blockly.Variables.allDeveloperVariables(a),d=0;d<c.length;d++)b.push(Blockly.Dart.variableDB_.getName(c[d],Blockly.Names.DEVELOPER_VARIABLE_TYPE));a=Blockly.Variables.allUsedVarModels(a);
-for(d=0;d<a.length;d++)b.push(Blockly.Dart.variableDB_.getName(a[d].getId(),Blockly.VARIABLE_CATEGORY_NAME));b.length&&(Blockly.Dart.definitions_.variables="var "+b.join(", ")+";")};
-Blockly.Dart.finish=function(a){a&&(a=Blockly.Dart.prefixLines(a,Blockly.Dart.INDENT));a="main() {\n"+a+"}";var b=[],c=[],d;for(d in Blockly.Dart.definitions_){var e=Blockly.Dart.definitions_[d];e.match(/^import\s/)?b.push(e):c.push(e)}delete Blockly.Dart.definitions_;delete Blockly.Dart.functionNames_;Blockly.Dart.variableDB_.reset();return(b.join("\n")+"\n\n"+c.join("\n\n")).replace(/\n\n+/g,"\n\n").replace(/\n*$/,"\n\n\n")+a};Blockly.Dart.scrubNakedValue=function(a){return a+";\n"};
-Blockly.Dart.quote_=function(a){a=a.replace(/\\/g,"\\\\").replace(/\n/g,"\\\n").replace(/\$/g,"\\$").replace(/'/g,"\\'");return"'"+a+"'"};Blockly.Dart.multiline_quote_=function(a){return a.split(/\n/g).map(Blockly.Dart.quote_).join(" + '\\n' + \n")};
-Blockly.Dart.scrub_=function(a,b,c){var d="";if(!a.outputConnection||!a.outputConnection.targetConnection){var e=a.getCommentText();e&&(e=Blockly.utils.string.wrap(e,Blockly.Dart.COMMENT_WRAP-3),d=a.getProcedureDef?d+Blockly.Dart.prefixLines(e+"\n","/// "):d+Blockly.Dart.prefixLines(e+"\n","// "));for(var f=0;f<a.inputList.length;f++)a.inputList[f].type==Blockly.INPUT_VALUE&&(e=a.inputList[f].connection.targetBlock())&&(e=Blockly.Dart.allNestedComments(e))&&(d+=Blockly.Dart.prefixLines(e,"// "))}a=
-a.nextConnection&&a.nextConnection.targetBlock();c=c?"":Blockly.Dart.blockToCode(a);return d+b+c};
-Blockly.Dart.getAdjusted=function(a,b,c,d,e){c=c||0;e=e||Blockly.Dart.ORDER_NONE;a.workspace.options.oneBasedIndex&&c--;var f=a.workspace.options.oneBasedIndex?"1":"0";a=c?Blockly.Dart.valueToCode(a,b,Blockly.Dart.ORDER_ADDITIVE)||f:d?Blockly.Dart.valueToCode(a,b,Blockly.Dart.ORDER_UNARY_PREFIX)||f:Blockly.Dart.valueToCode(a,b,e)||f;if(Blockly.isNumber(a))a=parseInt(a,10)+c,d&&(a=-a);else{if(0<c){a=a+" + "+c;var g=Blockly.Dart.ORDER_ADDITIVE}else 0>c&&(a=a+" - "+-c,g=Blockly.Dart.ORDER_ADDITIVE);
-d&&(a=c?"-("+a+")":"-"+a,g=Blockly.Dart.ORDER_UNARY_PREFIX);g=Math.floor(g);e=Math.floor(e);g&&e>=g&&(a="("+a+")")}return a};Blockly.Dart.colour={};Blockly.Dart.addReservedWords("Math");Blockly.Dart.colour_picker=function(a){return[Blockly.Dart.quote_(a.getFieldValue("COLOUR")),Blockly.Dart.ORDER_ATOMIC]};
-Blockly.Dart.colour_random=function(a){Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";return[Blockly.Dart.provideFunction_("colour_random",["String "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"() {","  String hex = '0123456789abcdef';","  var rnd = new Math.Random();","  return '#${hex[rnd.nextInt(16)]}${hex[rnd.nextInt(16)]}'","      '${hex[rnd.nextInt(16)]}${hex[rnd.nextInt(16)]}'","      '${hex[rnd.nextInt(16)]}${hex[rnd.nextInt(16)]}';","}"])+"()",Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.colour_rgb=function(a){var b=Blockly.Dart.valueToCode(a,"RED",Blockly.Dart.ORDER_NONE)||0,c=Blockly.Dart.valueToCode(a,"GREEN",Blockly.Dart.ORDER_NONE)||0;a=Blockly.Dart.valueToCode(a,"BLUE",Blockly.Dart.ORDER_NONE)||0;Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";return[Blockly.Dart.provideFunction_("colour_rgb",["String "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(num r, num g, num b) {","  num rn = (Math.max(Math.min(r, 100), 0) * 2.55).round();","  String rs = rn.toInt().toRadixString(16);",
-"  rs = '0$rs';","  rs = rs.substring(rs.length - 2);","  num gn = (Math.max(Math.min(g, 100), 0) * 2.55).round();","  String gs = gn.toInt().toRadixString(16);","  gs = '0$gs';","  gs = gs.substring(gs.length - 2);","  num bn = (Math.max(Math.min(b, 100), 0) * 2.55).round();","  String bs = bn.toInt().toRadixString(16);","  bs = '0$bs';","  bs = bs.substring(bs.length - 2);","  return '#$rs$gs$bs';","}"])+"("+b+", "+c+", "+a+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.colour_blend=function(a){var b=Blockly.Dart.valueToCode(a,"COLOUR1",Blockly.Dart.ORDER_NONE)||"'#000000'",c=Blockly.Dart.valueToCode(a,"COLOUR2",Blockly.Dart.ORDER_NONE)||"'#000000'";a=Blockly.Dart.valueToCode(a,"RATIO",Blockly.Dart.ORDER_NONE)||.5;Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";return[Blockly.Dart.provideFunction_("colour_blend",["String "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(String c1, String c2, num ratio) {","  ratio = Math.max(Math.min(ratio, 1), 0);",
-"  int r1 = int.parse('0x${c1.substring(1, 3)}');","  int g1 = int.parse('0x${c1.substring(3, 5)}');","  int b1 = int.parse('0x${c1.substring(5, 7)}');","  int r2 = int.parse('0x${c2.substring(1, 3)}');","  int g2 = int.parse('0x${c2.substring(3, 5)}');","  int b2 = int.parse('0x${c2.substring(5, 7)}');","  num rn = (r1 * (1 - ratio) + r2 * ratio).round();","  String rs = rn.toInt().toRadixString(16);","  num gn = (g1 * (1 - ratio) + g2 * ratio).round();","  String gs = gn.toInt().toRadixString(16);",
-"  num bn = (b1 * (1 - ratio) + b2 * ratio).round();","  String bs = bn.toInt().toRadixString(16);","  rs = '0$rs';","  rs = rs.substring(rs.length - 2);","  gs = '0$gs';","  gs = gs.substring(gs.length - 2);","  bs = '0$bs';","  bs = bs.substring(bs.length - 2);","  return '#$rs$gs$bs';","}"])+"("+b+", "+c+", "+a+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.lists={};Blockly.Dart.addReservedWords("Math");Blockly.Dart.lists_create_empty=function(a){return["[]",Blockly.Dart.ORDER_ATOMIC]};Blockly.Dart.lists_create_with=function(a){for(var b=Array(a.itemCount_),c=0;c<a.itemCount_;c++)b[c]=Blockly.Dart.valueToCode(a,"ADD"+c,Blockly.Dart.ORDER_NONE)||"null";return["["+b.join(", ")+"]",Blockly.Dart.ORDER_ATOMIC]};
-Blockly.Dart.lists_repeat=function(a){var b=Blockly.Dart.valueToCode(a,"ITEM",Blockly.Dart.ORDER_NONE)||"null";return["new List.filled("+(Blockly.Dart.valueToCode(a,"NUM",Blockly.Dart.ORDER_NONE)||"0")+", "+b+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.lists_length=function(a){return[(Blockly.Dart.valueToCode(a,"VALUE",Blockly.Dart.ORDER_UNARY_POSTFIX)||"[]")+".length",Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.lists_isEmpty=function(a){return[(Blockly.Dart.valueToCode(a,"VALUE",Blockly.Dart.ORDER_UNARY_POSTFIX)||"[]")+".isEmpty",Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.lists_indexOf=function(a){var b="FIRST"==a.getFieldValue("END")?"indexOf":"lastIndexOf",c=Blockly.Dart.valueToCode(a,"FIND",Blockly.Dart.ORDER_NONE)||"''";b=(Blockly.Dart.valueToCode(a,"VALUE",Blockly.Dart.ORDER_UNARY_POSTFIX)||"[]")+"."+b+"("+c+")";return a.workspace.options.oneBasedIndex?[b+" + 1",Blockly.Dart.ORDER_ADDITIVE]:[b,Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.lists_getIndex=function(a){function b(){var f=Blockly.Dart.variableDB_.getDistinctName("tmp_list",Blockly.VARIABLE_CATEGORY_NAME),g="List "+f+" = "+e+";\n";e=f;return g}var c=a.getFieldValue("MODE")||"GET",d=a.getFieldValue("WHERE")||"FROM_START",e=Blockly.Dart.valueToCode(a,"VALUE","RANDOM"==d||"FROM_END"==d?Blockly.Dart.ORDER_NONE:Blockly.Dart.ORDER_UNARY_POSTFIX)||"[]";if(("RANDOM"!=d||"REMOVE"!=c)&&"FROM_END"!=d||e.match(/^\w+$/))switch(d){case "FIRST":if("GET"==c)return[e+".first",
-Blockly.Dart.ORDER_UNARY_POSTFIX];if("GET_REMOVE"==c)return[e+".removeAt(0)",Blockly.Dart.ORDER_UNARY_POSTFIX];if("REMOVE"==c)return e+".removeAt(0);\n";break;case "LAST":if("GET"==c)return[e+".last",Blockly.Dart.ORDER_UNARY_POSTFIX];if("GET_REMOVE"==c)return[e+".removeLast()",Blockly.Dart.ORDER_UNARY_POSTFIX];if("REMOVE"==c)return e+".removeLast();\n";break;case "FROM_START":d=Blockly.Dart.getAdjusted(a,"AT");if("GET"==c)return[e+"["+d+"]",Blockly.Dart.ORDER_UNARY_POSTFIX];if("GET_REMOVE"==c)return[e+
-".removeAt("+d+")",Blockly.Dart.ORDER_UNARY_POSTFIX];if("REMOVE"==c)return e+".removeAt("+d+");\n";break;case "FROM_END":d=Blockly.Dart.getAdjusted(a,"AT",1,!1,Blockly.Dart.ORDER_ADDITIVE);if("GET"==c)return[e+"["+e+".length - "+d+"]",Blockly.Dart.ORDER_UNARY_POSTFIX];if("GET_REMOVE"==c||"REMOVE"==c){a=e+".removeAt("+e+".length - "+d+")";if("GET_REMOVE"==c)return[a,Blockly.Dart.ORDER_UNARY_POSTFIX];if("REMOVE"==c)return a+";\n"}break;case "RANDOM":Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";
-if("REMOVE"==c)return c=Blockly.Dart.variableDB_.getDistinctName("tmp_x",Blockly.VARIABLE_CATEGORY_NAME),"int "+c+" = new Math.Random().nextInt("+e+".length);\n"+(e+".removeAt("+c+");\n");if("GET"==c)return c=Blockly.Dart.provideFunction_("lists_get_random_item",["dynamic "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List my_list) {","  int x = new Math.Random().nextInt(my_list.length);","  return my_list[x];","}"]),[c+"("+e+")",Blockly.Dart.ORDER_UNARY_POSTFIX];if("GET_REMOVE"==c)return c=Blockly.Dart.provideFunction_("lists_remove_random_item",
-["dynamic "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List my_list) {","  int x = new Math.Random().nextInt(my_list.length);","  return my_list.removeAt(x);","}"]),[c+"("+e+")",Blockly.Dart.ORDER_UNARY_POSTFIX]}else{if("RANDOM"==d)return Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;",a=b(),c=Blockly.Dart.variableDB_.getDistinctName("tmp_x",Blockly.VARIABLE_CATEGORY_NAME),a+("int "+c+" = new Math.Random().nextInt("+e+".length);\n")+(e+".removeAt("+c+");\n");if("REMOVE"==c)return d=
-Blockly.Dart.getAdjusted(a,"AT",1,!1,Blockly.Dart.ORDER_ADDITIVE),a=b(),a+=e+".removeAt("+e+".length - "+d+");\n";if("GET"==c)return d=Blockly.Dart.getAdjusted(a,"AT",1),c=Blockly.Dart.provideFunction_("lists_get_from_end",["dynamic "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List my_list, num x) {","  x = my_list.length - x;","  return my_list[x];","}"]),[c+"("+e+", "+d+")",Blockly.Dart.ORDER_UNARY_POSTFIX];if("GET_REMOVE"==c)return d=Blockly.Dart.getAdjusted(a,"AT",1),c=Blockly.Dart.provideFunction_("lists_remove_from_end",
-["dynamic "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List my_list, num x) {","  x = my_list.length - x;","  return my_list.removeAt(x);","}"]),[c+"("+e+", "+d+")",Blockly.Dart.ORDER_UNARY_POSTFIX]}throw Error("Unhandled combination (lists_getIndex).");};
-Blockly.Dart.lists_setIndex=function(a){function b(){if(e.match(/^\w+$/))return"";var g=Blockly.Dart.variableDB_.getDistinctName("tmp_list",Blockly.VARIABLE_CATEGORY_NAME),k="List "+g+" = "+e+";\n";e=g;return k}var c=a.getFieldValue("MODE")||"GET",d=a.getFieldValue("WHERE")||"FROM_START",e=Blockly.Dart.valueToCode(a,"LIST",Blockly.Dart.ORDER_UNARY_POSTFIX)||"[]",f=Blockly.Dart.valueToCode(a,"TO",Blockly.Dart.ORDER_ASSIGNMENT)||"null";switch(d){case "FIRST":if("SET"==c)return e+"[0] = "+f+";\n";if("INSERT"==
-c)return e+".insert(0, "+f+");\n";break;case "LAST":if("SET"==c)return a=b(),a+(e+"["+e+".length - 1] = "+f+";\n");if("INSERT"==c)return e+".add("+f+");\n";break;case "FROM_START":d=Blockly.Dart.getAdjusted(a,"AT");if("SET"==c)return e+"["+d+"] = "+f+";\n";if("INSERT"==c)return e+".insert("+d+", "+f+");\n";break;case "FROM_END":d=Blockly.Dart.getAdjusted(a,"AT",1,!1,Blockly.Dart.ORDER_ADDITIVE);a=b();if("SET"==c)return a+(e+"["+e+".length - "+d+"] = "+f+";\n");if("INSERT"==c)return a+(e+".insert("+
-e+".length - "+d+", "+f+");\n");break;case "RANDOM":Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";a=b();d=Blockly.Dart.variableDB_.getDistinctName("tmp_x",Blockly.VARIABLE_CATEGORY_NAME);a+="int "+d+" = new Math.Random().nextInt("+e+".length);\n";if("SET"==c)return a+(e+"["+d+"] = "+f+";\n");if("INSERT"==c)return a+(e+".insert("+d+", "+f+");\n")}throw Error("Unhandled combination (lists_setIndex).");};
-Blockly.Dart.lists_getSublist=function(a){var b=Blockly.Dart.valueToCode(a,"LIST",Blockly.Dart.ORDER_UNARY_POSTFIX)||"[]",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if(b.match(/^\w+$/)||"FROM_END"!=c&&"FROM_START"==d){switch(c){case "FROM_START":var e=Blockly.Dart.getAdjusted(a,"AT1");break;case "FROM_END":e=Blockly.Dart.getAdjusted(a,"AT1",1,!1,Blockly.Dart.ORDER_ADDITIVE);e=b+".length - "+e;break;case "FIRST":e="0";break;default:throw Error("Unhandled option (lists_getSublist).");}switch(d){case "FROM_START":var f=
-Blockly.Dart.getAdjusted(a,"AT2",1);break;case "FROM_END":f=Blockly.Dart.getAdjusted(a,"AT2",0,!1,Blockly.Dart.ORDER_ADDITIVE);f=b+".length - "+f;break;case "LAST":break;default:throw Error("Unhandled option (lists_getSublist).");}a="LAST"==d?b+".sublist("+e+")":b+".sublist("+e+", "+f+")"}else e=Blockly.Dart.getAdjusted(a,"AT1"),f=Blockly.Dart.getAdjusted(a,"AT2"),a=Blockly.Dart.provideFunction_("lists_get_sublist",["List "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List list, String where1, num at1, String where2, num at2) {",
-"  int getAt(String where, num at) {","    if (where == 'FROM_END') {","      at = list.length - 1 - at;","    } else if (where == 'FIRST') {","      at = 0;","    } else if (where == 'LAST') {","      at = list.length - 1;","    } else if (where != 'FROM_START') {","      throw 'Unhandled option (lists_getSublist).';","    }","    return at;","  }","  at1 = getAt(where1, at1);","  at2 = getAt(where2, at2) + 1;","  return list.sublist(at1, at2);","}"])+"("+b+", '"+c+"', "+e+", '"+d+"', "+f+")";return[a,
-Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.lists_sort=function(a){var b=Blockly.Dart.valueToCode(a,"LIST",Blockly.Dart.ORDER_NONE)||"[]",c="1"===a.getFieldValue("DIRECTION")?1:-1;a=a.getFieldValue("TYPE");return[Blockly.Dart.provideFunction_("lists_sort",["List "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List list, String type, int direction) {","  var compareFuncs = {",'    "NUMERIC": (a, b) => (direction * a.compareTo(b)).toInt(),','    "TEXT": (a, b) => direction * a.toString().compareTo(b.toString()),','    "IGNORE_CASE": ',
-"       (a, b) => direction * ","      a.toString().toLowerCase().compareTo(b.toString().toLowerCase())","  };","  list = new List.from(list);","  var compare = compareFuncs[type];","  list.sort(compare);","  return list;","}"])+"("+b+', "'+a+'", '+c+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.lists_split=function(a){var b=Blockly.Dart.valueToCode(a,"INPUT",Blockly.Dart.ORDER_UNARY_POSTFIX),c=Blockly.Dart.valueToCode(a,"DELIM",Blockly.Dart.ORDER_NONE)||"''";a=a.getFieldValue("MODE");if("SPLIT"==a)b||(b="''"),a="split";else if("JOIN"==a)b||(b="[]"),a="join";else throw Error("Unknown mode: "+a);return[b+"."+a+"("+c+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.lists_reverse=function(a){return["new List.from("+(Blockly.Dart.valueToCode(a,"LIST",Blockly.Dart.ORDER_NONE)||"[]")+".reversed)",Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.logic={};
-Blockly.Dart.controls_if=function(a){var b=0,c="";Blockly.Dart.STATEMENT_PREFIX&&(c+=Blockly.Dart.injectId(Blockly.Dart.STATEMENT_PREFIX,a));do{var d=Blockly.Dart.valueToCode(a,"IF"+b,Blockly.Dart.ORDER_NONE)||"false";var e=Blockly.Dart.statementToCode(a,"DO"+b);Blockly.Dart.STATEMENT_SUFFIX&&(e=Blockly.Dart.prefixLines(Blockly.Dart.injectId(Blockly.Dart.STATEMENT_SUFFIX,a),Blockly.Dart.INDENT)+e);c+=(0<b?"else ":"")+"if ("+d+") {\n"+e+"}";++b}while(a.getInput("IF"+b));if(a.getInput("ELSE")||Blockly.Dart.STATEMENT_SUFFIX)e=
-Blockly.Dart.statementToCode(a,"ELSE"),Blockly.Dart.STATEMENT_SUFFIX&&(e=Blockly.Dart.prefixLines(Blockly.Dart.injectId(Blockly.Dart.STATEMENT_SUFFIX,a),Blockly.Dart.INDENT)+e),c+=" else {\n"+e+"}";return c+"\n"};Blockly.Dart.controls_ifelse=Blockly.Dart.controls_if;
-Blockly.Dart.logic_compare=function(a){var b={EQ:"==",NEQ:"!=",LT:"<",LTE:"<=",GT:">",GTE:">="}[a.getFieldValue("OP")],c="=="==b||"!="==b?Blockly.Dart.ORDER_EQUALITY:Blockly.Dart.ORDER_RELATIONAL,d=Blockly.Dart.valueToCode(a,"A",c)||"0";a=Blockly.Dart.valueToCode(a,"B",c)||"0";return[d+" "+b+" "+a,c]};
-Blockly.Dart.logic_operation=function(a){var b="AND"==a.getFieldValue("OP")?"&&":"||",c="&&"==b?Blockly.Dart.ORDER_LOGICAL_AND:Blockly.Dart.ORDER_LOGICAL_OR,d=Blockly.Dart.valueToCode(a,"A",c);a=Blockly.Dart.valueToCode(a,"B",c);if(d||a){var e="&&"==b?"true":"false";d||(d=e);a||(a=e)}else a=d="false";return[d+" "+b+" "+a,c]};Blockly.Dart.logic_negate=function(a){var b=Blockly.Dart.ORDER_UNARY_PREFIX;return["!"+(Blockly.Dart.valueToCode(a,"BOOL",b)||"true"),b]};
-Blockly.Dart.logic_boolean=function(a){return["TRUE"==a.getFieldValue("BOOL")?"true":"false",Blockly.Dart.ORDER_ATOMIC]};Blockly.Dart.logic_null=function(a){return["null",Blockly.Dart.ORDER_ATOMIC]};Blockly.Dart.logic_ternary=function(a){var b=Blockly.Dart.valueToCode(a,"IF",Blockly.Dart.ORDER_CONDITIONAL)||"false",c=Blockly.Dart.valueToCode(a,"THEN",Blockly.Dart.ORDER_CONDITIONAL)||"null";a=Blockly.Dart.valueToCode(a,"ELSE",Blockly.Dart.ORDER_CONDITIONAL)||"null";return[b+" ? "+c+" : "+a,Blockly.Dart.ORDER_CONDITIONAL]};Blockly.Dart.loops={};
-Blockly.Dart.controls_repeat_ext=function(a){var b=a.getField("TIMES")?String(Number(a.getFieldValue("TIMES"))):Blockly.Dart.valueToCode(a,"TIMES",Blockly.Dart.ORDER_ASSIGNMENT)||"0",c=Blockly.Dart.statementToCode(a,"DO");c=Blockly.Dart.addLoopTrap(c,a);a="";var d=Blockly.Dart.variableDB_.getDistinctName("count",Blockly.VARIABLE_CATEGORY_NAME),e=b;b.match(/^\w+$/)||Blockly.isNumber(b)||(e=Blockly.Dart.variableDB_.getDistinctName("repeat_end",Blockly.VARIABLE_CATEGORY_NAME),a+="var "+e+" = "+b+";\n");
-return a+("for (int "+d+" = 0; "+d+" < "+e+"; "+d+"++) {\n"+c+"}\n")};Blockly.Dart.controls_repeat=Blockly.Dart.controls_repeat_ext;Blockly.Dart.controls_whileUntil=function(a){var b="UNTIL"==a.getFieldValue("MODE"),c=Blockly.Dart.valueToCode(a,"BOOL",b?Blockly.Dart.ORDER_UNARY_PREFIX:Blockly.Dart.ORDER_NONE)||"false",d=Blockly.Dart.statementToCode(a,"DO");d=Blockly.Dart.addLoopTrap(d,a);b&&(c="!"+c);return"while ("+c+") {\n"+d+"}\n"};
-Blockly.Dart.controls_for=function(a){var b=Blockly.Dart.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME),c=Blockly.Dart.valueToCode(a,"FROM",Blockly.Dart.ORDER_ASSIGNMENT)||"0",d=Blockly.Dart.valueToCode(a,"TO",Blockly.Dart.ORDER_ASSIGNMENT)||"0",e=Blockly.Dart.valueToCode(a,"BY",Blockly.Dart.ORDER_ASSIGNMENT)||"1",f=Blockly.Dart.statementToCode(a,"DO");f=Blockly.Dart.addLoopTrap(f,a);if(Blockly.isNumber(c)&&Blockly.isNumber(d)&&Blockly.isNumber(e)){var g=Number(c)<=Number(d);
-a="for ("+b+" = "+c+"; "+b+(g?" <= ":" >= ")+d+"; "+b;b=Math.abs(Number(e));a=(1==b?a+(g?"++":"--"):a+((g?" += ":" -= ")+b))+(") {\n"+f+"}\n")}else a="",g=c,c.match(/^\w+$/)||Blockly.isNumber(c)||(g=Blockly.Dart.variableDB_.getDistinctName(b+"_start",Blockly.VARIABLE_CATEGORY_NAME),a+="var "+g+" = "+c+";\n"),c=d,d.match(/^\w+$/)||Blockly.isNumber(d)||(c=Blockly.Dart.variableDB_.getDistinctName(b+"_end",Blockly.VARIABLE_CATEGORY_NAME),a+="var "+c+" = "+d+";\n"),d=Blockly.Dart.variableDB_.getDistinctName(b+
-"_inc",Blockly.VARIABLE_CATEGORY_NAME),a+="num "+d+" = ",a=Blockly.isNumber(e)?a+(Math.abs(e)+";\n"):a+("("+e+").abs();\n"),a=a+("if ("+g+" > "+c+") {\n")+(Blockly.Dart.INDENT+d+" = -"+d+";\n"),a+="}\n",a+="for ("+b+" = "+g+"; "+d+" >= 0 ? "+b+" <= "+c+" : "+b+" >= "+c+"; "+b+" += "+d+") {\n"+f+"}\n";return a};
-Blockly.Dart.controls_forEach=function(a){var b=Blockly.Dart.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME),c=Blockly.Dart.valueToCode(a,"LIST",Blockly.Dart.ORDER_ASSIGNMENT)||"[]",d=Blockly.Dart.statementToCode(a,"DO");d=Blockly.Dart.addLoopTrap(d,a);return"for (var "+b+" in "+c+") {\n"+d+"}\n"};
-Blockly.Dart.controls_flow_statements=function(a){var b="";Blockly.Dart.STATEMENT_PREFIX&&(b+=Blockly.Dart.injectId(Blockly.Dart.STATEMENT_PREFIX,a));Blockly.Dart.STATEMENT_SUFFIX&&(b+=Blockly.Dart.injectId(Blockly.Dart.STATEMENT_SUFFIX,a));if(Blockly.Dart.STATEMENT_PREFIX){var c=Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN.getSurroundLoop(a);c&&!c.suppressPrefixSuffix&&(b+=Blockly.Dart.injectId(Blockly.Dart.STATEMENT_PREFIX,c))}switch(a.getFieldValue("FLOW")){case "BREAK":return b+"break;\n";
-case "CONTINUE":return b+"continue;\n"}throw Error("Unknown flow statement.");};Blockly.Dart.math={};Blockly.Dart.addReservedWords("Math");Blockly.Dart.math_number=function(a){a=Number(a.getFieldValue("NUM"));if(Infinity==a){a="double.infinity";var b=Blockly.Dart.ORDER_UNARY_POSTFIX}else-Infinity==a?(a="-double.infinity",b=Blockly.Dart.ORDER_UNARY_PREFIX):b=0>a?Blockly.Dart.ORDER_UNARY_PREFIX:Blockly.Dart.ORDER_ATOMIC;return[a,b]};
-Blockly.Dart.math_arithmetic=function(a){var b={ADD:[" + ",Blockly.Dart.ORDER_ADDITIVE],MINUS:[" - ",Blockly.Dart.ORDER_ADDITIVE],MULTIPLY:[" * ",Blockly.Dart.ORDER_MULTIPLICATIVE],DIVIDE:[" / ",Blockly.Dart.ORDER_MULTIPLICATIVE],POWER:[null,Blockly.Dart.ORDER_NONE]}[a.getFieldValue("OP")],c=b[0];b=b[1];var d=Blockly.Dart.valueToCode(a,"A",b)||"0";a=Blockly.Dart.valueToCode(a,"B",b)||"0";return c?[d+c+a,b]:(Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;",["Math.pow("+d+", "+
-a+")",Blockly.Dart.ORDER_UNARY_POSTFIX])};
-Blockly.Dart.math_single=function(a){var b=a.getFieldValue("OP");if("NEG"==b)return a=Blockly.Dart.valueToCode(a,"NUM",Blockly.Dart.ORDER_UNARY_PREFIX)||"0","-"==a[0]&&(a=" "+a),["-"+a,Blockly.Dart.ORDER_UNARY_PREFIX];Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";a="ABS"==b||"ROUND"==b.substring(0,5)?Blockly.Dart.valueToCode(a,"NUM",Blockly.Dart.ORDER_UNARY_POSTFIX)||"0":"SIN"==b||"COS"==b||"TAN"==b?Blockly.Dart.valueToCode(a,"NUM",Blockly.Dart.ORDER_MULTIPLICATIVE)||"0":
-Blockly.Dart.valueToCode(a,"NUM",Blockly.Dart.ORDER_NONE)||"0";switch(b){case "ABS":var c=a+".abs()";break;case "ROOT":c="Math.sqrt("+a+")";break;case "LN":c="Math.log("+a+")";break;case "EXP":c="Math.exp("+a+")";break;case "POW10":c="Math.pow(10,"+a+")";break;case "ROUND":c=a+".round()";break;case "ROUNDUP":c=a+".ceil()";break;case "ROUNDDOWN":c=a+".floor()";break;case "SIN":c="Math.sin("+a+" / 180 * Math.pi)";break;case "COS":c="Math.cos("+a+" / 180 * Math.pi)";break;case "TAN":c="Math.tan("+a+
-" / 180 * Math.pi)"}if(c)return[c,Blockly.Dart.ORDER_UNARY_POSTFIX];switch(b){case "LOG10":c="Math.log("+a+") / Math.log(10)";break;case "ASIN":c="Math.asin("+a+") / Math.pi * 180";break;case "ACOS":c="Math.acos("+a+") / Math.pi * 180";break;case "ATAN":c="Math.atan("+a+") / Math.pi * 180";break;default:throw Error("Unknown math operator: "+b);}return[c,Blockly.Dart.ORDER_MULTIPLICATIVE]};
-Blockly.Dart.math_constant=function(a){var b={PI:["Math.pi",Blockly.Dart.ORDER_UNARY_POSTFIX],E:["Math.e",Blockly.Dart.ORDER_UNARY_POSTFIX],GOLDEN_RATIO:["(1 + Math.sqrt(5)) / 2",Blockly.Dart.ORDER_MULTIPLICATIVE],SQRT2:["Math.sqrt2",Blockly.Dart.ORDER_UNARY_POSTFIX],SQRT1_2:["Math.sqrt1_2",Blockly.Dart.ORDER_UNARY_POSTFIX],INFINITY:["double.infinity",Blockly.Dart.ORDER_ATOMIC]};a=a.getFieldValue("CONSTANT");"INFINITY"!=a&&(Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;");
-return b[a]};
-Blockly.Dart.math_number_property=function(a){var b=Blockly.Dart.valueToCode(a,"NUMBER_TO_CHECK",Blockly.Dart.ORDER_MULTIPLICATIVE);if(!b)return["false",Blockly.Dart.ORDER_ATOMIC];var c=a.getFieldValue("PROPERTY");if("PRIME"==c)return Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;",[Blockly.Dart.provideFunction_("math_isPrime",["bool "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(n) {","  // https://en.wikipedia.org/wiki/Primality_test#Naive_methods","  if (n == 2 || n == 3) {","    return true;",
-"  }","  // False if n is null, negative, is 1, or not whole.","  // And false if n is divisible by 2 or 3.","  if (n == null || n <= 1 || n % 1 != 0 || n % 2 == 0 || n % 3 == 0) {","    return false;","  }","  // Check all the numbers of form 6k +/- 1, up to sqrt(n).","  for (var x = 6; x <= Math.sqrt(n) + 1; x += 6) {","    if (n % (x - 1) == 0 || n % (x + 1) == 0) {","      return false;","    }","  }","  return true;","}"])+"("+b+")",Blockly.Dart.ORDER_UNARY_POSTFIX];switch(c){case "EVEN":var d=
-b+" % 2 == 0";break;case "ODD":d=b+" % 2 == 1";break;case "WHOLE":d=b+" % 1 == 0";break;case "POSITIVE":d=b+" > 0";break;case "NEGATIVE":d=b+" < 0";break;case "DIVISIBLE_BY":a=Blockly.Dart.valueToCode(a,"DIVISOR",Blockly.Dart.ORDER_MULTIPLICATIVE);if(!a)return["false",Blockly.Dart.ORDER_ATOMIC];d=b+" % "+a+" == 0"}return[d,Blockly.Dart.ORDER_EQUALITY]};
-Blockly.Dart.math_change=function(a){var b=Blockly.Dart.valueToCode(a,"DELTA",Blockly.Dart.ORDER_ADDITIVE)||"0";a=Blockly.Dart.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME);return a+" = ("+a+" is num ? "+a+" : 0) + "+b+";\n"};Blockly.Dart.math_round=Blockly.Dart.math_single;Blockly.Dart.math_trig=Blockly.Dart.math_single;
-Blockly.Dart.math_on_list=function(a){var b=a.getFieldValue("OP");a=Blockly.Dart.valueToCode(a,"LIST",Blockly.Dart.ORDER_NONE)||"[]";switch(b){case "SUM":b=Blockly.Dart.provideFunction_("math_sum",["num "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List<num> myList) {","  num sumVal = 0;","  myList.forEach((num entry) {sumVal += entry;});","  return sumVal;","}"]);b=b+"("+a+")";break;case "MIN":Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";b=Blockly.Dart.provideFunction_("math_min",
-["num "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List<num> myList) {","  if (myList.isEmpty) return null;","  num minVal = myList[0];","  myList.forEach((num entry) {minVal = Math.min(minVal, entry);});","  return minVal;","}"]);b=b+"("+a+")";break;case "MAX":Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";b=Blockly.Dart.provideFunction_("math_max",["num "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List<num> myList) {","  if (myList.isEmpty) return null;","  num maxVal = myList[0];",
-"  myList.forEach((num entry) {maxVal = Math.max(maxVal, entry);});","  return maxVal;","}"]);b=b+"("+a+")";break;case "AVERAGE":b=Blockly.Dart.provideFunction_("math_mean",["num "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List myList) {","  // First filter list for numbers only.","  List localList = new List.from(myList);","  localList.removeWhere((a) => a is! num);","  if (localList.isEmpty) return null;","  num sumVal = 0;","  localList.forEach((var entry) {sumVal += entry;});","  return sumVal / localList.length;",
-"}"]);b=b+"("+a+")";break;case "MEDIAN":b=Blockly.Dart.provideFunction_("math_median",["num "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List myList) {","  // First filter list for numbers only, then sort, then return middle value","  // or the average of two middle values if list has an even number of elements.","  List localList = new List.from(myList);","  localList.removeWhere((a) => a is! num);","  if (localList.isEmpty) return null;","  localList.sort((a, b) => (a - b));","  int index = localList.length ~/ 2;",
-"  if (localList.length % 2 == 1) {","    return localList[index];","  } else {","    return (localList[index - 1] + localList[index]) / 2;","  }","}"]);b=b+"("+a+")";break;case "MODE":Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";b=Blockly.Dart.provideFunction_("math_modes",["List "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List values) {","  List modes = [];","  List counts = [];","  int maxCount = 0;","  for (int i = 0; i < values.length; i++) {","    var value = values[i];",
-"    bool found = false;","    int thisCount;","    for (int j = 0; j < counts.length; j++) {","      if (counts[j][0] == value) {","        thisCount = ++counts[j][1];","        found = true;","        break;","      }","    }","    if (!found) {","      counts.add([value, 1]);","      thisCount = 1;","    }","    maxCount = Math.max(thisCount, maxCount);","  }","  for (int j = 0; j < counts.length; j++) {","    if (counts[j][1] == maxCount) {","        modes.add(counts[j][0]);","    }","  }","  return modes;",
-"}"]);b=b+"("+a+")";break;case "STD_DEV":Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";b=Blockly.Dart.provideFunction_("math_standard_deviation",["num "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List myList) {","  // First filter list for numbers only.","  List numbers = new List.from(myList);","  numbers.removeWhere((a) => a is! num);","  if (numbers.isEmpty) return null;","  num n = numbers.length;","  num sum = 0;","  numbers.forEach((x) => sum += x);","  num mean = sum / n;",
-"  num sumSquare = 0;","  numbers.forEach((x) => sumSquare += Math.pow(x - mean, 2));","  return Math.sqrt(sumSquare / n);","}"]);b=b+"("+a+")";break;case "RANDOM":Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";b=Blockly.Dart.provideFunction_("math_random_item",["dynamic "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(List myList) {","  int x = new Math.Random().nextInt(myList.length);","  return myList[x];","}"]);b=b+"("+a+")";break;default:throw Error("Unknown operator: "+
-b);}return[b,Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.math_modulo=function(a){var b=Blockly.Dart.valueToCode(a,"DIVIDEND",Blockly.Dart.ORDER_MULTIPLICATIVE)||"0";a=Blockly.Dart.valueToCode(a,"DIVISOR",Blockly.Dart.ORDER_MULTIPLICATIVE)||"0";return[b+" % "+a,Blockly.Dart.ORDER_MULTIPLICATIVE]};
-Blockly.Dart.math_constrain=function(a){Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";var b=Blockly.Dart.valueToCode(a,"VALUE",Blockly.Dart.ORDER_NONE)||"0",c=Blockly.Dart.valueToCode(a,"LOW",Blockly.Dart.ORDER_NONE)||"0";a=Blockly.Dart.valueToCode(a,"HIGH",Blockly.Dart.ORDER_NONE)||"double.infinity";return["Math.min(Math.max("+b+", "+c+"), "+a+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.math_random_int=function(a){Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";var b=Blockly.Dart.valueToCode(a,"FROM",Blockly.Dart.ORDER_NONE)||"0";a=Blockly.Dart.valueToCode(a,"TO",Blockly.Dart.ORDER_NONE)||"0";return[Blockly.Dart.provideFunction_("math_random_int",["int "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(num a, num b) {","  if (a > b) {","    // Swap a and b to ensure a is smaller.","    num c = a;","    a = b;","    b = c;","  }","  return new Math.Random().nextInt(b - a + 1) + a;",
-"}"])+"("+b+", "+a+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.math_random_float=function(a){Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";return["new Math.Random().nextDouble()",Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.math_atan2=function(a){Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;";var b=Blockly.Dart.valueToCode(a,"X",Blockly.Dart.ORDER_NONE)||"0";return["Math.atan2("+(Blockly.Dart.valueToCode(a,"Y",Blockly.Dart.ORDER_NONE)||"0")+", "+b+") / Math.pi * 180",Blockly.Dart.ORDER_MULTIPLICATIVE]};Blockly.Dart.procedures={};
-Blockly.Dart.procedures_defreturn=function(a){var b=Blockly.Dart.variableDB_.getName(a.getFieldValue("NAME"),Blockly.PROCEDURE_CATEGORY_NAME),c="";Blockly.Dart.STATEMENT_PREFIX&&(c+=Blockly.Dart.injectId(Blockly.Dart.STATEMENT_PREFIX,a));Blockly.Dart.STATEMENT_SUFFIX&&(c+=Blockly.Dart.injectId(Blockly.Dart.STATEMENT_SUFFIX,a));c&&(c=Blockly.Dart.prefixLines(c,Blockly.Dart.INDENT));var d="";Blockly.Dart.INFINITE_LOOP_TRAP&&(d=Blockly.Dart.prefixLines(Blockly.Dart.injectId(Blockly.Dart.INFINITE_LOOP_TRAP,a),
-Blockly.Dart.INDENT));var e=Blockly.Dart.statementToCode(a,"STACK"),f=Blockly.Dart.valueToCode(a,"RETURN",Blockly.Dart.ORDER_NONE)||"",g="";e&&f&&(g=c);f&&(f=Blockly.Dart.INDENT+"return "+f+";\n");for(var k=f?"dynamic":"void",l=[],m=a.getVars(),h=0;h<m.length;h++)l[h]=Blockly.Dart.variableDB_.getName(m[h],Blockly.VARIABLE_CATEGORY_NAME);c=k+" "+b+"("+l.join(", ")+") {\n"+c+d+e+g+f+"}";c=Blockly.Dart.scrub_(a,c);Blockly.Dart.definitions_["%"+b]=c;return null};Blockly.Dart.procedures_defnoreturn=Blockly.Dart.procedures_defreturn;
-Blockly.Dart.procedures_callreturn=function(a){for(var b=Blockly.Dart.variableDB_.getName(a.getFieldValue("NAME"),Blockly.PROCEDURE_CATEGORY_NAME),c=[],d=a.getVars(),e=0;e<d.length;e++)c[e]=Blockly.Dart.valueToCode(a,"ARG"+e,Blockly.Dart.ORDER_NONE)||"null";return[b+"("+c.join(", ")+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.procedures_callnoreturn=function(a){return Blockly.Dart.procedures_callreturn(a)[0]+";\n"};
-Blockly.Dart.procedures_ifreturn=function(a){var b="if ("+(Blockly.Dart.valueToCode(a,"CONDITION",Blockly.Dart.ORDER_NONE)||"false")+") {\n";Blockly.Dart.STATEMENT_SUFFIX&&(b+=Blockly.Dart.prefixLines(Blockly.Dart.injectId(Blockly.Dart.STATEMENT_SUFFIX,a),Blockly.Dart.INDENT));a.hasReturnValue_?(a=Blockly.Dart.valueToCode(a,"VALUE",Blockly.Dart.ORDER_NONE)||"null",b+=Blockly.Dart.INDENT+"return "+a+";\n"):b+=Blockly.Dart.INDENT+"return;\n";return b+"}\n"};Blockly.Dart.texts={};Blockly.Dart.addReservedWords("Html,Math");Blockly.Dart.text=function(a){return[Blockly.Dart.quote_(a.getFieldValue("TEXT")),Blockly.Dart.ORDER_ATOMIC]};Blockly.Dart.text_multiline=function(a){return[Blockly.Dart.multiline_quote_(a.getFieldValue("TEXT")),Blockly.Dart.ORDER_ATOMIC]};
-Blockly.Dart.text_join=function(a){switch(a.itemCount_){case 0:return["''",Blockly.Dart.ORDER_ATOMIC];case 1:return[(Blockly.Dart.valueToCode(a,"ADD0",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''")+".toString()",Blockly.Dart.ORDER_UNARY_POSTFIX];default:for(var b=Array(a.itemCount_),c=0;c<a.itemCount_;c++)b[c]=Blockly.Dart.valueToCode(a,"ADD"+c,Blockly.Dart.ORDER_NONE)||"''";a="["+b.join(",")+"].join()";return[a,Blockly.Dart.ORDER_UNARY_POSTFIX]}};
-Blockly.Dart.text_append=function(a){var b=Blockly.Dart.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME);a=Blockly.Dart.valueToCode(a,"TEXT",Blockly.Dart.ORDER_NONE)||"''";return b+" = ["+b+", "+a+"].join();\n"};Blockly.Dart.text_length=function(a){return[(Blockly.Dart.valueToCode(a,"VALUE",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''")+".length",Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.text_isEmpty=function(a){return[(Blockly.Dart.valueToCode(a,"VALUE",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''")+".isEmpty",Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.text_indexOf=function(a){var b="FIRST"==a.getFieldValue("END")?"indexOf":"lastIndexOf",c=Blockly.Dart.valueToCode(a,"FIND",Blockly.Dart.ORDER_NONE)||"''";b=(Blockly.Dart.valueToCode(a,"VALUE",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''")+"."+b+"("+c+")";return a.workspace.options.oneBasedIndex?[b+" + 1",Blockly.Dart.ORDER_ADDITIVE]:[b,Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.text_charAt=function(a){var b=a.getFieldValue("WHERE")||"FROM_START",c=Blockly.Dart.valueToCode(a,"VALUE",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''";switch(b){case "FIRST":return[c+"[0]",Blockly.Dart.ORDER_UNARY_POSTFIX];case "FROM_START":return a=Blockly.Dart.getAdjusted(a,"AT"),[c+"["+a+"]",Blockly.Dart.ORDER_UNARY_POSTFIX];case "LAST":case "FROM_END":return a=Blockly.Dart.getAdjusted(a,"AT",1),b=Blockly.Dart.provideFunction_("text_get_from_end",["String "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+
-"(String text, num x) {","  return text[text.length - x];","}"]),[b+"("+c+", "+a+")",Blockly.Dart.ORDER_UNARY_POSTFIX];case "RANDOM":return Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;",b=Blockly.Dart.provideFunction_("text_random_letter",["String "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(String text) {","  int x = new Math.Random().nextInt(text.length);","  return text[x];","}"]),[b+"("+c+")",Blockly.Dart.ORDER_UNARY_POSTFIX]}throw Error("Unhandled option (text_charAt).");
-};
-Blockly.Dart.text_getSubstring=function(a){var b=Blockly.Dart.valueToCode(a,"STRING",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if("FIRST"==c&&"LAST"==d)a=b;else if(b.match(/^'?\w+'?$/)||"FROM_END"!=c&&"FROM_START"==d){switch(c){case "FROM_START":var e=Blockly.Dart.getAdjusted(a,"AT1");break;case "FROM_END":e=Blockly.Dart.getAdjusted(a,"AT1",1,!1,Blockly.Dart.ORDER_ADDITIVE);e=b+".length - "+e;break;case "FIRST":e="0";break;default:throw Error("Unhandled option (text_getSubstring).");}switch(d){case "FROM_START":var f=
-Blockly.Dart.getAdjusted(a,"AT2",1);break;case "FROM_END":f=Blockly.Dart.getAdjusted(a,"AT2",0,!1,Blockly.Dart.ORDER_ADDITIVE);f=b+".length - "+f;break;case "LAST":break;default:throw Error("Unhandled option (text_getSubstring).");}a="LAST"==d?b+".substring("+e+")":b+".substring("+e+", "+f+")"}else e=Blockly.Dart.getAdjusted(a,"AT1"),f=Blockly.Dart.getAdjusted(a,"AT2"),a=Blockly.Dart.provideFunction_("text_get_substring",["String "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(String text, String where1, num at1, String where2, num at2) {",
-"  int getAt(String where, num at) {","    if (where == 'FROM_END') {","      at = text.length - 1 - at;","    } else if (where == 'FIRST') {","      at = 0;","    } else if (where == 'LAST') {","      at = text.length - 1;","    } else if (where != 'FROM_START') {","      throw 'Unhandled option (text_getSubstring).';","    }","    return at;","  }","  at1 = getAt(where1, at1);","  at2 = getAt(where2, at2) + 1;","  return text.substring(at1, at2);","}"])+"("+b+", '"+c+"', "+e+", '"+d+"', "+f+")";
-return[a,Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.text_changeCase=function(a){var b={UPPERCASE:".toUpperCase()",LOWERCASE:".toLowerCase()",TITLECASE:null}[a.getFieldValue("CASE")];a=Blockly.Dart.valueToCode(a,"TEXT",b?Blockly.Dart.ORDER_UNARY_POSTFIX:Blockly.Dart.ORDER_NONE)||"''";return[b?a+b:Blockly.Dart.provideFunction_("text_toTitleCase",["String "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(String str) {","  RegExp exp = new RegExp(r'\\b');","  List<String> list = str.split(exp);","  final title = new StringBuffer();","  for (String part in list) {",
-"    if (part.length > 0) {","      title.write(part[0].toUpperCase());","      if (part.length > 0) {","        title.write(part.substring(1).toLowerCase());","      }","    }","  }","  return title.toString();","}"])+"("+a+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.text_trim=function(a){var b={LEFT:".replaceFirst(new RegExp(r'^\\s+'), '')",RIGHT:".replaceFirst(new RegExp(r'\\s+$'), '')",BOTH:".trim()"}[a.getFieldValue("MODE")];return[(Blockly.Dart.valueToCode(a,"TEXT",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''")+b,Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.text_print=function(a){return"print("+(Blockly.Dart.valueToCode(a,"TEXT",Blockly.Dart.ORDER_NONE)||"''")+");\n"};
-Blockly.Dart.text_prompt_ext=function(a){Blockly.Dart.definitions_.import_dart_html="import 'dart:html' as Html;";var b="Html.window.prompt("+(a.getField("TEXT")?Blockly.Dart.quote_(a.getFieldValue("TEXT")):Blockly.Dart.valueToCode(a,"TEXT",Blockly.Dart.ORDER_NONE)||"''")+", '')";"NUMBER"==a.getFieldValue("TYPE")&&(Blockly.Dart.definitions_.import_dart_math="import 'dart:math' as Math;",b="Math.parseDouble("+b+")");return[b,Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.text_prompt=Blockly.Dart.text_prompt_ext;
-Blockly.Dart.text_count=function(a){var b=Blockly.Dart.valueToCode(a,"TEXT",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''";a=Blockly.Dart.valueToCode(a,"SUB",Blockly.Dart.ORDER_NONE)||"''";return[Blockly.Dart.provideFunction_("text_count",["int "+Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_+"(String haystack, String needle) {","  if (needle.length == 0) {","    return haystack.length + 1;","  }","  int index = 0;","  int count = 0;","  while (index != -1) {","    index = haystack.indexOf(needle, index);","    if (index != -1) {",
-"      count++;","     index += needle.length;","    }","  }","  return count;","}"])+"("+b+", "+a+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.text_replace=function(a){var b=Blockly.Dart.valueToCode(a,"TEXT",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''",c=Blockly.Dart.valueToCode(a,"FROM",Blockly.Dart.ORDER_NONE)||"''";a=Blockly.Dart.valueToCode(a,"TO",Blockly.Dart.ORDER_NONE)||"''";return[b+".replaceAll("+c+", "+a+")",Blockly.Dart.ORDER_UNARY_POSTFIX]};
-Blockly.Dart.text_reverse=function(a){return["new String.fromCharCodes("+(Blockly.Dart.valueToCode(a,"TEXT",Blockly.Dart.ORDER_UNARY_POSTFIX)||"''")+".runes.toList().reversed)",Blockly.Dart.ORDER_UNARY_POSTFIX]};Blockly.Dart.variables={};Blockly.Dart.variables_get=function(a){return[Blockly.Dart.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME),Blockly.Dart.ORDER_ATOMIC]};Blockly.Dart.variables_set=function(a){var b=Blockly.Dart.valueToCode(a,"VALUE",Blockly.Dart.ORDER_ASSIGNMENT)||"0";return Blockly.Dart.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME)+" = "+b+";\n"};Blockly.Dart.variablesDynamic={};Blockly.Dart.variables_get_dynamic=Blockly.Dart.variables_get;Blockly.Dart.variables_set_dynamic=Blockly.Dart.variables_set;
-return Blockly.Dart;
-}));
-
-
-//# sourceMappingURL=dart_compressed.js.map
diff --git a/dart_compressed.js.map b/dart_compressed.js.map
deleted file mode 100644
index 2d75535c4a7..00000000000
--- a/dart_compressed.js.map
+++ /dev/null
@@ -1 +0,0 @@
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\ No newline at end of file
diff --git a/demos/accessible/icon.png b/demos/accessible/icon.png
deleted file mode 100644
index 0f4d66cbf5a..00000000000
Binary files a/demos/accessible/icon.png and /dev/null differ
diff --git a/demos/accessible/index.html b/demos/accessible/index.html
deleted file mode 100644
index bdc3cdd588f..00000000000
--- a/demos/accessible/index.html
+++ /dev/null
@@ -1,11 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta http-equiv="Refresh" content="0; url=https://github.com/google/blockly-experimental">
-</head>
-<body>
-    <body>
-    <p>This demo has moved to a <a href="https://github.com/google/blockly-experimental">new repository</a>.</p>
-  </body>
-</body>
-</html>
diff --git a/demos/blockfactory/analytics.js b/demos/blockfactory/analytics.js
index b220708448e..5611c09a958 100644
--- a/demos/blockfactory/analytics.js
+++ b/demos/blockfactory/analytics.js
@@ -171,8 +171,7 @@ BlocklyDevTools.Analytics.onExport = function(typeId, optMetadata) {
  */
 BlocklyDevTools.Analytics.onError = function(e) {
   // stub
-  this.LOG_TO_CONSOLE_ &&
-      console.log('Analytics.onError("' + e.toString() + '")');
+  this.LOG_TO_CONSOLE_ && console.log('Analytics.onError("' + e + '")');
 };
 
 /**
@@ -194,4 +193,3 @@ BlocklyDevTools.Analytics.sendQueued = function() {
   // stub
   this.LOG_TO_CONSOLE_ && console.log('Analytics.sendQueued');
 };
-
diff --git a/demos/blockfactory/app_controller.js b/demos/blockfactory/app_controller.js
index 60fb0bb1e43..fcfa2296dcf 100644
--- a/demos/blockfactory/app_controller.js
+++ b/demos/blockfactory/app_controller.js
@@ -8,8 +8,6 @@
  * @fileoverview The AppController Class brings together the Block
  * Factory, Block Library, and Block Exporter functionality into a single web
  * app.
- *
- * @author quachtina96 (Tina Quach)
  */
 
 /**
@@ -122,12 +120,22 @@ AppController.prototype.exportBlockLibraryToFile = function() {
         { format: BlocklyDevTools.Analytics.FORMAT_XML });
   } else {
     var msg = 'Could not export Block Library without file name under which ' +
-      'to save library.';
+        'to save library.';
     BlocklyDevTools.Analytics.onWarning(msg);
     alert(msg);
   }
 };
 
+AppController.prototype.exportBlockLibraryAsJson = function() {
+  const blockJson = this.blockLibraryController.getBlockLibraryAsJson();
+  if (blockJson.length === 0) {
+    alert('No blocks in library to export');
+    return;
+  }
+  const filename = 'legacy_block_factory_export.txt';
+  FactoryUtils.createAndDownloadFile(JSON.stringify(blockJson), filename, 'plain');
+};
+
 /**
  * Converts an object mapping block type to XML to text file for output.
  * @param {!Object} blockXmlMap Object mapping block type to XML.
@@ -140,7 +148,7 @@ AppController.prototype.formatBlockLibraryForExport_ = function(blockXmlMap) {
 
   // Append each block node to XML DOM.
   for (var blockType in blockXmlMap) {
-    var blockXmlDom = Blockly.Xml.textToDom(blockXmlMap[blockType]);
+    var blockXmlDom = Blockly.utils.xml.textToDom(blockXmlMap[blockType]);
     var blockNode = blockXmlDom.firstElementChild;
     xmlDom.appendChild(blockNode);
   }
@@ -157,7 +165,7 @@ AppController.prototype.formatBlockLibraryForExport_ = function(blockXmlMap) {
  * @private
  */
 AppController.prototype.formatBlockLibraryForImport_ = function(xmlText) {
-  var inputXml = Blockly.Xml.textToDom(xmlText);
+  var inputXml = Blockly.utils.xml.textToDom(xmlText);
   // Convert the live HTMLCollection of child Elements into a static array,
   // since the addition to editorWorkspaceXml below removes it from inputXml.
   var inputChildren = Array.from(inputXml.children);
@@ -194,14 +202,14 @@ AppController.prototype.formatBlockLibraryForImport_ = function(xmlText) {
  * @private
  */
 AppController.prototype.getBlockTypeFromXml_ = function(xmlText) {
-  var xmlDom = Blockly.Xml.textToDom(xmlText);
+  var xmlDom = Blockly.utils.xml.textToDom(xmlText);
   // Find factory base block.
   var factoryBaseBlockXml = xmlDom.getElementsByTagName('block')[0];
   // Get field elements from factory base.
   var fields = factoryBaseBlockXml.getElementsByTagName('field');
   for (var i = 0; i < fields.length; i++) {
     // The field whose name is 'NAME' holds the block type as its value.
-    if (fields[i].getAttribute('name') == 'NAME') {
+    if (fields[i].getAttribute('name') === 'NAME') {
       return fields[i].childNodes[0].nodeValue;
     }
   }
@@ -258,8 +266,8 @@ AppController.prototype.onTab = function() {
   var workspaceFactoryTab = this.tabMap[AppController.WORKSPACE_FACTORY];
 
   // Warn user if they have unsaved changes when leaving Block Factory.
-  if (this.lastSelectedTab == AppController.BLOCK_FACTORY &&
-      this.selectedTab != AppController.BLOCK_FACTORY) {
+  if (this.lastSelectedTab === AppController.BLOCK_FACTORY &&
+      this.selectedTab !== AppController.BLOCK_FACTORY) {
 
     var hasUnsavedChanges =
         !FactoryUtils.savedBlockChanges(this.blockLibraryController);
@@ -280,12 +288,12 @@ AppController.prototype.onTab = function() {
   // Only enable key events in workspace factory if workspace factory tab is
   // selected.
   this.workspaceFactoryController.keyEventsEnabled =
-      this.selectedTab == AppController.WORKSPACE_FACTORY;
+      this.selectedTab === AppController.WORKSPACE_FACTORY;
 
   // Turn selected tab on and other tabs off.
   this.styleTabs_();
 
-  if (this.selectedTab == AppController.EXPORTER) {
+  if (this.selectedTab === AppController.EXPORTER) {
     BlocklyDevTools.Analytics.onNavigateTo('Exporter');
 
     // Hide other tabs.
@@ -308,7 +316,7 @@ AppController.prototype.onTab = function() {
     // Update the exporter's preview to reflect any changes made to the blocks.
     this.exporter.updatePreview();
 
-  } else if (this.selectedTab ==  AppController.BLOCK_FACTORY) {
+  } else if (this.selectedTab ===  AppController.BLOCK_FACTORY) {
     BlocklyDevTools.Analytics.onNavigateTo('BlockFactory');
 
     // Hide other tabs.
@@ -317,7 +325,7 @@ AppController.prototype.onTab = function() {
     // Show Block Factory.
     FactoryUtils.show('blockFactoryContent');
 
-  } else if (this.selectedTab == AppController.WORKSPACE_FACTORY) {
+  } else if (this.selectedTab === AppController.WORKSPACE_FACTORY) {
     // TODO: differentiate Workspace and Toolbox editor, based on the other tab state.
     BlocklyDevTools.Analytics.onNavigateTo('WorkspaceFactory');
 
@@ -343,7 +351,7 @@ AppController.prototype.onTab = function() {
  */
 AppController.prototype.styleTabs_ = function() {
   for (var tabName in this.tabMap) {
-    if (this.selectedTab == tabName) {
+    if (this.selectedTab === tabName) {
       this.tabMap[tabName].classList.replace('taboff', 'tabon');
     } else {
       this.tabMap[tabName].classList.replace('tabon', 'taboff');
@@ -432,7 +440,7 @@ AppController.prototype.assignExporterChangeListeners = function() {
 /**
  * If given checkbox is checked, enable the given elements.  Otherwise, disable.
  * @param {boolean} enabled True if enabled, false otherwise.
- * @param {!Array.<string>} idArray Array of element IDs to enable when
+ * @param {!Array<string>} idArray Array of element IDs to enable when
  *    checkbox is checked.
  */
 AppController.prototype.ifCheckedEnable = function(enabled, idArray) {
@@ -493,6 +501,10 @@ AppController.prototype.assignBlockFactoryClickHandlers = function() {
         self.exportBlockLibraryToFile();
       });
 
+  document.getElementById('exportAsJson').addEventListener('click', function() {
+    self.exportBlockLibraryAsJson();
+  });
+
   document.getElementById('helpButton').addEventListener('click',
       function() {
         open('https://developers.google.com/blockly/custom-blocks/block-factory',
@@ -585,7 +597,7 @@ AppController.prototype.initializeBlocklyStorage = function() {
  * Handle resizing of elements.
  */
 AppController.prototype.onresize = function(event) {
-  if (this.selectedTab == AppController.BLOCK_FACTORY) {
+  if (this.selectedTab === AppController.BLOCK_FACTORY) {
     // Handle resizing of Block Factory elements.
     var expandList = [
       document.getElementById('blocklyPreviewContainer'),
@@ -600,7 +612,7 @@ AppController.prototype.onresize = function(event) {
       expand.style.width = (expand.parentNode.offsetWidth - 2) + 'px';
       expand.style.height = (expand.parentNode.offsetHeight - 2) + 'px';
     }
-  } else if (this.selectedTab == AppController.EXPORTER) {
+  } else if (this.selectedTab === AppController.EXPORTER) {
     // Handle resize of Exporter block options.
     this.exporter.view.centerPreviewBlocks();
   }
@@ -631,7 +643,7 @@ AppController.prototype.confirmLeavePage = function(e) {
  * @param {string} id ID of element to show.
  */
 AppController.prototype.openModal = function(id) {
-  Blockly.hideChaff();
+  Blockly.common.getMainWorkspace().hideChaff();
   this.modalName_ = id;
   document.getElementById(id).style.display = 'block';
   document.getElementById('modalShadow').style.display = 'block';
diff --git a/demos/blockfactory/block_definition_extractor.js b/demos/blockfactory/block_definition_extractor.js
index 10d9d0f7ba3..fa1aae7750e 100644
--- a/demos/blockfactory/block_definition_extractor.js
+++ b/demos/blockfactory/block_definition_extractor.js
@@ -17,8 +17,6 @@
  *
  * The <code>exampleBlocklyBlock</code> is usually the block loaded into the
  * preview workspace after manually entering the block definition.
- *
- * @author JC-Orozco (Juan Carlos Orozco), AnmAtAnm (Andrew n marshall)
  */
 'use strict';
 
@@ -49,7 +47,7 @@ BlockDefinitionExtractor.buildBlockFactoryWorkspace = function(block) {
  * inner text.
  *
  * @param {string} name New element tag name.
- * @param {!Object.<string, string>=} opt_attrs Optional list of attributes.
+ * @param {!Object<string, string>=} opt_attrs Optional list of attributes.
  * @param {string=} opt_text Optional inner text.
  * @return {!Element} The newly created element.
  * @private
@@ -73,7 +71,7 @@ BlockDefinitionExtractor.newDomElement_ = function(name, opt_attrs, opt_text) {
  * requested type.
  *
  * @param {string} type Type name of desired connection constraint.
- * @return {!Element} The <block> representing the the constraint type.
+ * @return {!Element} The <block> representing the constraint type.
  * @private
  */
 BlockDefinitionExtractor.buildBlockForType_ = function(type) {
@@ -112,7 +110,7 @@ BlockDefinitionExtractor.buildTypeConstraintBlockForConnection_ =
     } else if (connection.check_.length === 1) {
       typeBlock = BlockDefinitionExtractor.buildBlockForType_(
           connection.check_[0]);
-    } else if (connection.check_.length > 1 ) {
+    } else if (connection.check_.length > 1) {
       typeBlock = BlockDefinitionExtractor.typeGroup_(connection.check_);
     }
   } else {
@@ -289,14 +287,16 @@ BlockDefinitionExtractor.parseInputs_ = function(block) {
  * @private
  */
 BlockDefinitionExtractor.input_ = function(input, align) {
-  var isDummy = (input.type === Blockly.DUMMY_INPUT);
+  var hasConnector = (input.type === Blockly.inputs.inputTypes.VALUE || input.type === Blockly.inputs.inputTypes.STATEMENT);
   var inputTypeAttr =
-      isDummy ? 'input_dummy' :
-      (input.type === Blockly.INPUT_VALUE) ? 'input_value' : 'input_statement';
+      input.type === Blockly.inputs.inputTypes.DUMMY ? 'input_dummy' :
+      input.type === Blockly.inputs.inputTypes.END_ROW ? 'input_end_row' :
+      input.type === Blockly.inputs.inputTypes.VALUE ? 'input_value' :
+      'input_statement';
   var inputDefBlock =
       BlockDefinitionExtractor.newDomElement_('block', {type: inputTypeAttr});
 
-  if (!isDummy) {
+  if (hasConnector) {
     inputDefBlock.append(BlockDefinitionExtractor.newDomElement_(
         'field', {name: 'INPUTNAME'}, input.name));
   }
@@ -309,7 +309,7 @@ BlockDefinitionExtractor.input_ = function(input, align) {
   fieldsDef.append(fieldsXml);
   inputDefBlock.append(fieldsDef);
 
-  if (!isDummy) {
+  if (hasConnector) {
     var typeValue = BlockDefinitionExtractor.newDomElement_(
         'value', {name: 'TYPE'});
     typeValue.append(
@@ -323,7 +323,7 @@ BlockDefinitionExtractor.input_ = function(input, align) {
 
 /**
  * Constructs a sequence <block> elements representing the field definition.
- * @param {Array.<Blockly.Field>} fieldRow A list of fields in a Blockly.Input.
+ * @param {Array<Blockly.Field>} fieldRow A list of fields in a Blockly.Input.
  * @return {Element} The fist <block> element of the sequence
  *     (and the root of the constructed DOM).
  * @private
@@ -600,7 +600,7 @@ BlockDefinitionExtractor.buildFieldImage_ =
 /**
  * Creates a <block> element a group of allowed connection constraint types.
  *
- * @param {Array.<string>} types List of type names in this group.
+ * @param {Array<string>} types List of type names in this group.
  * @return {Element} The <block> element representing the group, with child
  *     types attached.
  * @private
@@ -707,7 +707,7 @@ BlockDefinitionExtractor.typeOther_ = function(type) {
 };
 
 /**
- * Creates a block Element for the color_hue block, with the given hue.
+ * Creates a block Element for the colour_hue block, with the given hue.
  * @param hue {number} The hue value, from 0 to 360.
  * @return {Element} The <block> Element representing a colour_hue block
  *     with the given hue.
@@ -717,7 +717,7 @@ BlockDefinitionExtractor.colourBlockFromHue_ = function(hue) {
   var colourBlock = BlockDefinitionExtractor.newDomElement_(
       'block', {type: 'colour_hue'});
   colourBlock.append(BlockDefinitionExtractor.newDomElement_('mutation', {
-    colour: Blockly.hueToRgb(hue)
+    colour: Blockly.utils.colour.hueToHex(hue)
   }));
   colourBlock.append(BlockDefinitionExtractor.newDomElement_(
       'field', {name: 'HUE'}, hue.toString()));
diff --git a/demos/blockfactory/block_exporter_controller.js b/demos/blockfactory/block_exporter_controller.js
index 525a2fefc15..bccd8087de0 100644
--- a/demos/blockfactory/block_exporter_controller.js
+++ b/demos/blockfactory/block_exporter_controller.js
@@ -9,8 +9,6 @@
  * users to export block definitions and generator stubs of their saved blocks
  * easily using a visual interface. Depends on Block Exporter View and Block
  * Exporter Tools classes. Interacts with Export Settings in the index.html.
- *
- * @author quachtina96 (Tina Quach)
  */
 
 'use strict';
@@ -93,7 +91,7 @@ BlockExporterController.prototype.export = function() {
       BlocklyDevTools.Analytics.onExport(
           BlocklyDevTools.Analytics.BLOCK_DEFINITIONS,
           {
-            format: (definitionFormat == 'JSON' ?
+            format: (definitionFormat === 'JSON' ?
                 BlocklyDevTools.Analytics.FORMAT_JSON :
                 BlocklyDevTools.Analytics.FORMAT_JS)
           });
@@ -226,9 +224,9 @@ BlockExporterController.prototype.selectUsedBlocks = function() {
   var unstoredCustomBlockTypes = [];
 
   for (var i = 0, blockType; blockType = this.usedBlockTypes[i]; i++) {
-    if (storedBlockTypes.indexOf(blockType) != -1) {
+    if (storedBlockTypes.includes(blockType)) {
       sharedBlockTypes.push(blockType);
-    } else if (StandardCategories.coreBlockTypes.indexOf(blockType) == -1) {
+    } else if (!StandardCategories.coreBlockTypes.includes(blockType)) {
       unstoredCustomBlockTypes.push(blockType);
     }
   }
@@ -253,7 +251,7 @@ BlockExporterController.prototype.selectUsedBlocks = function() {
 
 /**
  * Set the array that holds the block types used in workspace factory.
- * @param {!Array.<string>} usedBlockTypes Block types used in
+ * @param {!Array<string>} usedBlockTypes Block types used in
  */
 BlockExporterController.prototype.setUsedBlockTypes =
     function(usedBlockTypes) {
diff --git a/demos/blockfactory/block_exporter_tools.js b/demos/blockfactory/block_exporter_tools.js
index 3446312df38..58da9be1a3b 100644
--- a/demos/blockfactory/block_exporter_tools.js
+++ b/demos/blockfactory/block_exporter_tools.js
@@ -9,8 +9,6 @@
  * block definitions and generator stubs for given block types.  Also generates
  * toolbox XML for the exporter's workspace.  Depends on the FactoryUtils for
  * its code generation functions.
- *
- * @author quachtina96 (Tina Quach)
  */
 'use strict';
 
@@ -90,7 +88,7 @@ BlockExporterTools.prototype.getBlockDefinitions =
   }
 
   // Surround json with [] and comma separate items.
-  if (definitionFormat == "JSON") {
+  if (definitionFormat === "JSON") {
     return "[" + blockCode.join(",\n") + "]";
   }
   return blockCode.join("\n\n");
@@ -170,7 +168,7 @@ BlockExporterTools.prototype.generateCategoryFromBlockLib =
 };
 
 /**
- * Generate selector dom from block library storage. For each block in the
+ * Generate selector DOM from block library storage. For each block in the
  * library, it has a block option, which consists of a checkbox, a label,
  * and a fixed size preview workspace.
  * @param {!BlockLibraryStorage} blockLibStorage Block Library Storage object.
diff --git a/demos/blockfactory/block_exporter_view.js b/demos/blockfactory/block_exporter_view.js
index f505438a787..aa840e59dd6 100644
--- a/demos/blockfactory/block_exporter_view.js
+++ b/demos/blockfactory/block_exporter_view.js
@@ -7,8 +7,6 @@
 /**
  * @fileoverview Javascript for the Block Exporter View class. Reads from and
  * manages a block selector through which users select blocks to export.
- *
- * @author quachtina96 (Tina Quach)
  */
 
 'use strict';
@@ -70,7 +68,7 @@ BlockExporterView.prototype.deselectAllBlocks = function() {
 /**
  * Given an array of selected blocks, selects these blocks in the view, marking
  * the checkboxes accordingly.
- * @param {Array.<Blockly.Block>} blockTypes Array of block types to select.
+ * @param {Array<Blockly.Block>} blockTypes Array of block types to select.
  */
 BlockExporterView.prototype.setSelectedBlockTypes = function(blockTypes) {
   for (var i = 0, blockType; blockType = blockTypes[i]; i++) {
@@ -80,7 +78,7 @@ BlockExporterView.prototype.setSelectedBlockTypes = function(blockTypes) {
 
 /**
  * Returns array of selected blocks.
- * @return {!Array.<string>} Array of all selected block types.
+ * @return {!Array<string>} Array of all selected block types.
  */
 BlockExporterView.prototype.getSelectedBlockTypes = function() {
   var selectedTypes = [];
diff --git a/demos/blockfactory/block_library_controller.js b/demos/blockfactory/block_library_controller.js
index 25156e9ce66..7bb34e8d623 100644
--- a/demos/blockfactory/block_library_controller.js
+++ b/demos/blockfactory/block_library_controller.js
@@ -13,8 +13,6 @@
  *  - delete blocks
  *  - clear their block library
  * Depends on BlockFactory functions defined in factory.js.
- *
- * @author quachtina96 (Tina Quach)
  */
 'use strict';
 
@@ -111,7 +109,7 @@ BlockLibraryController.prototype.clearBlockLibrary = function() {
 BlockLibraryController.prototype.saveToBlockLibrary = function() {
   var blockType = this.getCurrentBlockType();
   // If user has not changed the name of the starter block.
-  if (blockType == 'block_type') {
+  if (blockType === 'block_type') {
     // Do not save block if it has the default type, 'block_type'.
     var msg = 'You cannot save a block under the name "block_type". Try ' +
         'changing the name before saving. Then, click on the "Block Library"' +
@@ -151,7 +149,7 @@ BlockLibraryController.prototype.saveToBlockLibrary = function() {
  */
 BlockLibraryController.prototype.has = function(blockType) {
   var blockLibrary = this.storage.blocks;
-  return (blockType in blockLibrary && blockLibrary[blockType] != null);
+  return (blockType in blockLibrary && blockLibrary[blockType] !== null);
 };
 
 /**
@@ -175,6 +173,29 @@ BlockLibraryController.prototype.getBlockLibrary = function() {
   return this.storage.getBlockXmlTextMap();
 };
 
+/**
+ * @return {Object[]} Array of JSON data, where each item is the data for one block type.
+ */
+BlockLibraryController.prototype.getBlockLibraryAsJson = function() {
+  const xmlBlocks = this.storage.getBlockXmlMap(this.storage.getBlockTypes());
+  const jsonBlocks = [];
+  const headlessWorkspace = new Blockly.Workspace();
+
+  for (const blockName in xmlBlocks) {
+    // Load the block XML into a workspace so we can save it as JSON
+    headlessWorkspace.clear();
+    const blockXml = xmlBlocks[blockName];
+    Blockly.Xml.domToWorkspace(blockXml, headlessWorkspace);
+    const block = headlessWorkspace.getBlocksByType('factory_base', false)[0];
+
+    if (!block) continue;
+
+    const json = Blockly.serialization.blocks.save(block, {addCoordinates: false, saveIds: false});
+    jsonBlocks.push(json);
+  }
+  return jsonBlocks;
+}
+
 /**
  * Return stored XML of a given block type.
  * @param {string} blockType The type of block.
@@ -212,7 +233,7 @@ BlockLibraryController.prototype.hasEmptyBlockLibrary = function() {
 
 /**
  * Get all block types stored in block library.
- * @return {!Array.<string>} Array of block types.
+ * @return {!Array<string>} Array of block types.
  */
 BlockLibraryController.prototype.getStoredBlockTypes = function() {
   return this.storage.getBlockTypes();
diff --git a/demos/blockfactory/block_library_storage.js b/demos/blockfactory/block_library_storage.js
index b0df067fa55..c843ae542af 100644
--- a/demos/blockfactory/block_library_storage.js
+++ b/demos/blockfactory/block_library_storage.js
@@ -7,8 +7,6 @@
 /**
  * @fileoverview Javascript for Block Library's Storage Class.
  * Depends on Block Library for its namespace.
- *
- * @author quachtina96 (Tina Quach)
  */
 
 'use strict';
@@ -26,7 +24,7 @@ function BlockLibraryStorage(blockLibraryName, opt_blocks) {
   if (!opt_blocks) {
     // Initialize this.blocks by loading from local storage.
     this.loadFromLocalStorage();
-    if (this.blocks == null) {
+    if (this.blocks === null) {
       this.blocks = Object.create(null);
       // The line above is equivalent of {} except that this object is TRULY
       // empty. It doesn't have built-in attributes/functions such as length or
@@ -91,7 +89,7 @@ BlockLibraryStorage.prototype.removeBlock = function(blockType) {
 BlockLibraryStorage.prototype.getBlockXml = function(blockType) {
   var xml = this.blocks[blockType] || null;
   if (xml) {
-    var xml = Blockly.Xml.textToDom(xml);
+    var xml = Blockly.utils.xml.textToDom(xml);
   }
   return xml;
 };
@@ -100,7 +98,7 @@ BlockLibraryStorage.prototype.getBlockXml = function(blockType) {
 /**
  * Returns map of each block type to its corresponding XML stored in current
  * block library (this.blocks).
- * @param {!Array.<string>} blockTypes Types of blocks.
+ * @param {!Array<string>} blockTypes Types of blocks.
  * @return {!Object} Map of block type to corresponding XML.
  */
 BlockLibraryStorage.prototype.getBlockXmlMap = function(blockTypes) {
@@ -115,7 +113,7 @@ BlockLibraryStorage.prototype.getBlockXmlMap = function(blockTypes) {
 
 /**
  * Returns array of all block types stored in current block library.
- * @return {!Array.<string>} Array of block types stored in library.
+ * @return {!Array<string>} Array of block types stored in library.
  */
 BlockLibraryStorage.prototype.getBlockTypes = function() {
   return Object.keys(this.blocks);
@@ -134,7 +132,7 @@ BlockLibraryStorage.prototype.isEmpty = function() {
 
 /**
  * Returns array of all block types stored in current block library.
- * @return {!Array.<string>} Map of block type to corresponding XML text.
+ * @return {!Array<string>} Map of block type to corresponding XML text.
  */
 BlockLibraryStorage.prototype.getBlockXmlTextMap = function() {
   return this.blocks;
diff --git a/demos/blockfactory/block_library_view.js b/demos/blockfactory/block_library_view.js
index 61779fdf639..a479804080b 100644
--- a/demos/blockfactory/block_library_view.js
+++ b/demos/blockfactory/block_library_view.js
@@ -7,8 +7,6 @@
 /**
  * @fileoverview Javascript for BlockLibraryView class. It manages the display
  * of the Block Library dropdown, save, and delete buttons.
- *
- * @author quachtina96 (Tina Quach)
  */
 
 'use strict';
@@ -64,7 +62,7 @@ BlockLibraryView.prototype.setSelectedBlockType = function(blockTypeToSelect) {
   // if null or invalid block type selected.
   for (var blockType in this.optionMap) {
     var option = this.optionMap[blockType];
-    if (blockType == blockTypeToSelect) {
+    if (blockType === blockTypeToSelect) {
       this.selectOption_(option);
     } else {
       this.deselectOption_(option);
@@ -127,7 +125,7 @@ BlockLibraryView.prototype.updateButtons =
 
       // If block type is the default, 'block_type', make button red to alert
       // user.
-      if (blockType == 'block_type') {
+      if (blockType === 'block_type') {
         buttonFormatClass = 'button_alert';
       }
       this.saveButton.classList.add(buttonFormatClass);
diff --git a/demos/blockfactory/block_option.js b/demos/blockfactory/block_option.js
index a67b81f9ed3..184c3c23517 100644
--- a/demos/blockfactory/block_option.js
+++ b/demos/blockfactory/block_option.js
@@ -9,8 +9,6 @@
  * of the various blocks that you may select in the Block Selector. Each block
  * option has a checkbox, a label, and a preview workspace through which to
  * view the block.
- *
- * @author quachtina96 (Tina Quach)
  */
 'use strict';
 
@@ -46,9 +44,9 @@ var BlockOption = function(blockSelector, blockType, previewBlockXml) {
 };
 
 /**
- * Creates the dom for a single block option. Includes checkbox, label, and div
+ * Creates the DOM for a single block option. Includes checkbox, label, and div
  * in which to inject the preview block.
- * @return {!Element} Root node of the selector dom which consists of a
+ * @return {!Element} Root node of the selector DOM which consists of a
  * checkbox, a label, and a fixed size preview workspace per block.
  */
 BlockOption.prototype.createDom = function() {
diff --git a/demos/blockfactory/blocks.js b/demos/blockfactory/blocks.js
index 3cb7ca29b41..15c8ac864d6 100644
--- a/demos/blockfactory/blocks.js
+++ b/demos/blockfactory/blocks.js
@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview Blocks for Blockly's Block Factory application.
- * @author fraser@google.com (Neil Fraser)
  */
 'use strict';
 
@@ -87,27 +86,29 @@ Blockly.Blocks['factory_base'] = {
     type.setShadow(true);
     type.outputConnection.connect(this.getInput(outputType).connection);
     type.initSvg();
-    type.render();
+    if (this.rendered) {
+      type.render();
+    }
   },
   updateShape_: function(option) {
     var outputExists = this.getInput('OUTPUTTYPE');
     var topExists = this.getInput('TOPTYPE');
     var bottomExists = this.getInput('BOTTOMTYPE');
-    if (option == 'LEFT') {
+    if (option === 'LEFT') {
       if (!outputExists) {
         this.addTypeInput_('OUTPUTTYPE', 'output type');
       }
     } else if (outputExists) {
       this.removeInput('OUTPUTTYPE');
     }
-    if (option == 'TOP' || option == 'BOTH') {
+    if (option === 'TOP' || option === 'BOTH') {
       if (!topExists) {
         this.addTypeInput_('TOPTYPE', 'top type');
       }
     } else if (topExists) {
       this.removeInput('TOPTYPE');
     }
-    if (option == 'BOTTOM' || option == 'BOTH') {
+    if (option === 'BOTTOM' || option === 'BOTH') {
       if (!bottomExists) {
         this.addTypeInput_('BOTTOMTYPE', 'bottom type');
       }
@@ -219,14 +220,33 @@ Blockly.Blocks['input_dummy'] = {
       "previousStatement": "Input",
       "nextStatement": "Input",
       "colour": 210,
-      "tooltip": "For adding fields on a separate row with no " +
-                 "connections. Alignment options (left, right, centre) " +
-                 "apply only to multi-line fields.",
+      "tooltip": "For adding fields without any block connections." +
+                 "Alignment options (left, right, centre) only affect " +
+                 "multi-row blocks.",
       "helpUrl": "https://www.youtube.com/watch?v=s2_xaEvcVI0#t=293"
     });
   }
 };
 
+Blockly.Blocks['input_end_row'] = {
+  // End-row input.
+  init: function() {
+    this.jsonInit({
+      "message0": "end-row input",
+      "message1": FIELD_MESSAGE,
+      "args1": FIELD_ARGS,
+      "previousStatement": "Input",
+      "nextStatement": "Input",
+      "colour": 210,
+      "tooltip": "For adding fields without any block connections that will " +
+                 "be rendered on a separate row from any following inputs. " +
+                 "Alignment options (left, right, centre) only affect " +
+                 "multi-row blocks.",
+      "helpUrl": "https://developers.google.com/blockly/guides/create-custom-blocks/define-blocks#block_inputs"
+    });
+  }
+};
+
 Blockly.Blocks['field_static'] = {
   // Text value.
   init: function() {
@@ -335,8 +355,8 @@ Blockly.Blocks['field_dropdown'] = {
     this.updateShape_();
     this.setPreviousStatement(true, 'Field');
     this.setNextStatement(true, 'Field');
-    this.setMutator(new Blockly.Mutator(['field_dropdown_option_text',
-                                         'field_dropdown_option_image']));
+    this.setMutator(new Blockly.icons.MutatorIcon(
+        ['field_dropdown_option_text', 'field_dropdown_option_image'], this));
     this.setColour(160);
     this.setTooltip('Dropdown menu with a list of options.');
     this.setHelpUrl('https://www.youtube.com/watch?v=s2_xaEvcVI0#t=386');
@@ -350,7 +370,7 @@ Blockly.Blocks['field_dropdown'] = {
   domToMutation: function(container) {
     // Parse XML to restore the menu options.
     var value = JSON.parse(container.getAttribute('options'));
-    if (typeof value == 'number') {
+    if (typeof value === 'number') {
       // Old format from before images were added.  November 2016.
       this.optionList_ = [];
       for (var i = 0; i < value; i++) {
@@ -382,9 +402,9 @@ Blockly.Blocks['field_dropdown'] = {
     this.optionList_.length = 0;
     var data = [];
     while (optionBlock) {
-      if (optionBlock.type == 'field_dropdown_option_text') {
+      if (optionBlock.type === 'field_dropdown_option_text') {
         this.optionList_.push('text');
-      } else if (optionBlock.type == 'field_dropdown_option_image') {
+      } else if (optionBlock.type === 'field_dropdown_option_image') {
         this.optionList_.push('image');
       }
       data.push([optionBlock.userData_, optionBlock.cpuData_]);
@@ -396,7 +416,7 @@ Blockly.Blocks['field_dropdown'] = {
     for (var i = 0; i < this.optionList_.length; i++) {
       var userData = data[i][0];
       if (userData !== undefined) {
-        if (typeof userData == 'string') {
+        if (typeof userData === 'string') {
           this.setFieldValue(userData || 'option', 'USER' + i);
         } else {
           this.setFieldValue(userData.src, 'SRC' + i);
@@ -432,13 +452,13 @@ Blockly.Blocks['field_dropdown'] = {
     var src = 'https://www.gstatic.com/codesite/ph/images/star_on.gif';
     for (var i = 0; i <= this.optionList_.length; i++) {
       var type = this.optionList_[i];
-      if (type == 'text') {
+      if (type === 'text') {
         this.appendDummyInput('OPTION' + i)
             .appendField('•')
             .appendField(new Blockly.FieldTextInput('option'), 'USER' + i)
             .appendField(',')
             .appendField(new Blockly.FieldTextInput('OPTIONNAME'), 'CPU' + i);
-      } else if (type == 'image') {
+      } else if (type === 'image') {
         this.appendDummyInput('OPTION' + i)
             .appendField('•')
             .appendField('image')
@@ -464,10 +484,10 @@ Blockly.Blocks['field_dropdown'] = {
     }
   },
   getUserData: function(n) {
-    if (this.optionList_[n] == 'text') {
+    if (this.optionList_[n] === 'text') {
       return this.getFieldValue('USER' + n);
     }
-    if (this.optionList_[n] == 'image') {
+    if (this.optionList_[n] === 'image') {
       return {
         src: this.getFieldValue('SRC' + n),
         width: Number(this.getFieldValue('WIDTH' + n)),
@@ -610,7 +630,7 @@ Blockly.Blocks['type_group'] = {
     this.typeCount_ = 2;
     this.updateShape_();
     this.setOutput(true, 'Type');
-    this.setMutator(new Blockly.Mutator(['type_group_item']));
+    this.setMutator(new Blockly.icons.MutatorIcon(['type_group_item'], this));
     this.setColour(230);
     this.setTooltip('Allows more than one type to be accepted.');
     this.setHelpUrl('https://www.youtube.com/watch?v=s2_xaEvcVI0#t=677');
@@ -631,7 +651,7 @@ Blockly.Blocks['type_group'] = {
     for (var i = 0; i < this.typeCount_; i++) {
       var input = this.appendValueInput('TYPE' + i)
                       .setCheck('Type');
-      if (i == 0) {
+      if (i === 0) {
         input.appendField('any of');
       }
     }
@@ -662,7 +682,7 @@ Blockly.Blocks['type_group'] = {
     // Disconnect any children that don't belong.
     for (var i = 0; i < this.typeCount_; i++) {
       var connection = this.getInput('TYPE' + i).connection.targetConnection;
-      if (connection && connections.indexOf(connection) == -1) {
+      if (connection && !connections.includes(connection)) {
         connection.disconnect();
       }
     }
@@ -670,7 +690,7 @@ Blockly.Blocks['type_group'] = {
     this.updateShape_();
     // Reconnect any child blocks.
     for (var i = 0; i < this.typeCount_; i++) {
-      Blockly.Mutator.reconnect(connections[i], this, 'TYPE' + i);
+      connections[i]?.reconnect(this, 'TYPE' + i);
     }
   },
   saveConnections: function(containerBlock) {
@@ -691,7 +711,7 @@ Blockly.Blocks['type_group'] = {
     for (var i = 0; i < this.typeCount_; i++) {
       if (!this.getInput('TYPE' + i)) {
         var input = this.appendValueInput('TYPE' + i);
-        if (i == 0) {
+        if (i === 0) {
           input.appendField('any of');
         }
       }
@@ -860,8 +880,8 @@ function fieldNameCheck(referenceBlock) {
   var blocks = referenceBlock.workspace.getAllBlocks(false);
   for (var i = 0, block; block = blocks[i]; i++) {
     var otherName = block.getFieldValue('FIELDNAME');
-    if (!block.disabled && !block.getInheritedDisabled() &&
-        otherName && otherName.toLowerCase() == name) {
+    if (block.isEnabled() && !block.getInheritedDisabled() &&
+        otherName && otherName.toLowerCase() === name) {
       count++;
     }
   }
@@ -885,8 +905,8 @@ function inputNameCheck(referenceBlock) {
   var blocks = referenceBlock.workspace.getAllBlocks(false);
   for (var i = 0, block; block = blocks[i]; i++) {
     var otherName = block.getFieldValue('INPUTNAME');
-    if (!block.disabled && !block.getInheritedDisabled() &&
-        otherName && otherName.toLowerCase() == name) {
+    if (block.isEnabled() && !block.getInheritedDisabled() &&
+        otherName && otherName.toLowerCase() === name) {
       count++;
     }
   }
diff --git a/demos/blockfactory/cp.js b/demos/blockfactory/cp.js
index 863aa7a9be3..96248176173 100644
--- a/demos/blockfactory/cp.js
+++ b/demos/blockfactory/cp.js
@@ -105,7 +105,7 @@ function cp_open(e) {
       } else {
         div.innerHTML = 'X';
       }
-      if (currentColour == colour.toLowerCase()) {
+      if (currentColour === colour.toLowerCase()) {
         div.className = 'cp_current'
       }
     }
diff --git a/demos/blockfactory/factory.css b/demos/blockfactory/factory.css
index c0bd9b2b95d..73a1c1e3ceb 100644
--- a/demos/blockfactory/factory.css
+++ b/demos/blockfactory/factory.css
@@ -526,12 +526,12 @@ td.taboff:hover {
   text-decoration: none;
 }
 
-/* Change color  of dropdown links on hover. */
+/* Change colour of dropdown links on hover. */
 .dropdown-content a:hover, .dropdown-content label:hover {
   background-color: #EEE;
 }
 
-/* Change color of dropdown links on selected. */
+/* Change colour of dropdown links on selected. */
 .dropdown-content-selected {
   background-color: #DDD;
 }
diff --git a/demos/blockfactory/factory.js b/demos/blockfactory/factory.js
index 9f01f36f21a..07ee889de7f 100644
--- a/demos/blockfactory/factory.js
+++ b/demos/blockfactory/factory.js
@@ -10,8 +10,6 @@
  * generate a preview block and starter code for the block (block definition and
  * generator stub. Uses the Block Factory namespace. Depends on the FactoryUtils
  * for its code generation functions.
- *
- * @author fraser@google.com (Neil Fraser), quachtina96 (Tina Quach)
  */
 'use strict';
 
@@ -66,18 +64,25 @@ BlockFactory.updateBlocksFlagDelayed = false;
  */
 BlockFactory.STARTER_BLOCK_XML_TEXT =
     '<xml xmlns="https://developers.google.com/blockly/xml">' +
-    '<block type="factory_base" deletable="false" movable="false">' +
-    '<value name="TOOLTIP">' +
-    '<block type="text" deletable="false" movable="false">' +
-    '<field name="TEXT"></field></block></value>' +
-    '<value name="HELPURL">' +
-    '<block type="text" deletable="false" movable="false">' +
-    '<field name="TEXT"></field></block></value>' +
-    '<value name="COLOUR">' +
-    '<block type="colour_hue">' +
-    '<mutation colour="#5b67a5"></mutation>' +
-    '<field name="HUE">230</field>' +
-    '</block></value></block></xml>';
+      '<block type="factory_base" deletable="false" movable="false">' +
+        '<value name="TOOLTIP">' +
+          '<block type="text" deletable="false" movable="false">' +
+            '<field name="TEXT"></field>' +
+          '</block>' +
+        '</value>' +
+        '<value name="HELPURL">' +
+          '<block type="text" deletable="false" movable="false">' +
+            '<field name="TEXT"></field>' +
+          '</block>' +
+        '</value>' +
+        '<value name="COLOUR">' +
+          '<block type="colour_hue">' +
+            '<mutation colour="#5b67a5"></mutation>' +
+            '<field name="HUE">230</field>' +
+          '</block>' +
+        '</value>' +
+      '</block>' +
+    '</xml>';
 
 /**
  * Change the language code format.
@@ -86,9 +91,9 @@ BlockFactory.formatChange = function() {
   var mask = document.getElementById('blocklyMask');
   var languagePre = document.getElementById('languagePre');
   var languageTA = document.getElementById('languageTA');
-  if (document.getElementById('format').value == 'Manual-JSON' ||
-      document.getElementById('format').value == 'Manual-JS') {
-    Blockly.hideChaff();
+  if (document.getElementById('format').value === 'Manual-JSON' ||
+      document.getElementById('format').value === 'Manual-JS') {
+    Blockly.common.getMainWorkspace().hideChaff();
     mask.style.display = 'block';
     languagePre.style.display = 'none';
     languageTA.style.display = 'block';
@@ -123,9 +128,9 @@ BlockFactory.updateLanguage = function() {
 
   if (!BlockFactory.updateBlocksFlag) {
     var format = document.getElementById('format').value;
-    if (format == 'Manual-JSON') {
+    if (format === 'Manual-JSON') {
       format = 'JSON';
-    } else if (format == 'Manual-JS') {
+    } else if (format === 'Manual-JS') {
       format = 'JavaScript';
     }
 
@@ -159,11 +164,11 @@ BlockFactory.updateGenerator = function(block) {
 BlockFactory.updatePreview = function() {
   // Toggle between LTR/RTL if needed (also used in first display).
   var newDir = document.getElementById('direction').value;
-  if (BlockFactory.oldDir != newDir) {
+  if (BlockFactory.oldDir !== newDir) {
     if (BlockFactory.previewWorkspace) {
       BlockFactory.previewWorkspace.dispose();
     }
-    var rtl = newDir == 'rtl';
+    var rtl = newDir === 'rtl';
     BlockFactory.previewWorkspace = Blockly.inject('preview',
         {rtl: rtl,
          media: '../../media/',
@@ -179,25 +184,38 @@ BlockFactory.updatePreview = function() {
     return;
   }
 
-  // Backup Blockly.Blocks object so that main workspace and preview don't
-  // collide if user creates a 'factory_base' block, for instance.
-  var backupBlocks = Blockly.Blocks;
-  try {
-    // Make a shallow copy.
-    Blockly.Blocks = Object.create(null);
-    for (var prop in backupBlocks) {
-      Blockly.Blocks[prop] = backupBlocks[prop];
+  // Don't let the user create a block type that already exists,
+  // because it doesn't work.
+  var warnExistingBlock = function(blockType) {
+    if (blockType in Blockly.Blocks) {
+      var text = `You can't make a block called ${blockType} in this tool because that name already exists.`;
+      FactoryUtils.getRootBlock(BlockFactory.mainWorkspace).setWarningText(text);
+      console.error(text);
+      return true;
     }
+    return false;
+  }
 
-    if (format == 'JSON') {
+  var blockType = 'block_type';
+  var blockCreated = false;
+  try {
+    if (format === 'JSON') {
       var json = JSON.parse(code);
-      Blockly.Blocks[json.type || BlockFactory.UNNAMED] = {
+      blockType = json.type || BlockFactory.UNNAMED;
+      if (warnExistingBlock(blockType)) {
+        return;
+      }
+      Blockly.Blocks[blockType] = {
         init: function() {
           this.jsonInit(json);
         }
       };
-    } else if (format == 'JavaScript') {
+    } else if (format === 'JavaScript') {
       try {
+        blockType = FactoryUtils.getBlockTypeFromJsDefinition(code);
+        if (warnExistingBlock(blockType)) {
+          return;
+        }
         eval(code);
       } catch (e) {
         // TODO: Display error in the UI
@@ -205,19 +223,7 @@ BlockFactory.updatePreview = function() {
         return;
       }
     }
-
-    // Look for a block on Blockly.Blocks that does not match the backup.
-    var blockType = null;
-    for (var type in Blockly.Blocks) {
-      if (typeof Blockly.Blocks[type].init == 'function' &&
-          Blockly.Blocks[type] != backupBlocks[type]) {
-        blockType = type;
-        break;
-      }
-    }
-    if (!blockType) {
-      return;
-    }
+    blockCreated = true;
 
     // Create the preview block.
     var previewBlock = BlockFactory.previewWorkspace.newBlock(blockType);
@@ -232,11 +238,11 @@ BlockFactory.updatePreview = function() {
     // Warn user only if their block type is already exists in Blockly's
     // standard library.
     var rootBlock = FactoryUtils.getRootBlock(BlockFactory.mainWorkspace);
-    if (StandardCategories.coreBlockTypes.indexOf(blockType) != -1) {
+    if (StandardCategories.coreBlockTypes.includes(blockType)) {
       rootBlock.setWarningText('A core Blockly block already exists ' +
           'under this name.');
 
-    } else if (blockType == 'block_type') {
+    } else if (blockType === 'block_type') {
       // Warn user to let them know they can't save a block under the default
       // name 'block_type'
       rootBlock.setWarningText('You cannot save a block with the default ' +
@@ -251,7 +257,12 @@ BlockFactory.updatePreview = function() {
     BlockFactory.updateBlocksFlag = false
     BlockFactory.updateBlocksFlagDelayed = false
   } finally {
-    Blockly.Blocks = backupBlocks;
+    // Remove the newly-created block.
+    // We have to check if the block was actually created so that we don't remove
+    // one of the built-in blocks, like factory_base.
+    if (blockCreated) {
+      delete Blockly.Blocks[blockType];
+    }
   }
 };
 
@@ -282,7 +293,7 @@ BlockFactory.disableEnableLink = function() {
   var linkButton = document.getElementById('linkButton');
   var saveBlockButton = document.getElementById('localSaveButton');
   var saveToLibButton = document.getElementById('saveToBlockLibraryButton');
-  var disabled = document.getElementById('format').value.substr(0, 6) == 'Manual';
+  var disabled = document.getElementById('format').value.substr(0, 6) === 'Manual';
   linkButton.disabled = disabled;
   saveBlockButton.disabled = disabled;
   saveToLibButton.disabled = disabled;
@@ -293,7 +304,7 @@ BlockFactory.disableEnableLink = function() {
  */
 BlockFactory.showStarterBlock = function() {
   BlockFactory.mainWorkspace.clear();
-  var xml = Blockly.Xml.textToDom(BlockFactory.STARTER_BLOCK_XML_TEXT);
+  var xml = Blockly.utils.xml.textToDom(BlockFactory.STARTER_BLOCK_XML_TEXT);
   Blockly.Xml.domToWorkspace(xml, BlockFactory.mainWorkspace);
 };
 
@@ -306,11 +317,11 @@ BlockFactory.isStarterBlock = function() {
       // The starter block does not have blocks nested into the factory_base block.
       rootBlock.getChildren().length > 0 ||
       // The starter block's name is the default, 'block_type'.
-      rootBlock.getFieldValue('NAME').trim().toLowerCase() != 'block_type' ||
+      rootBlock.getFieldValue('NAME').trim().toLowerCase() !== 'block_type' ||
       // The starter block has no connections.
-      rootBlock.getFieldValue('CONNECTIONS') != 'NONE' ||
+      rootBlock.getFieldValue('CONNECTIONS') !== 'NONE' ||
       // The starter block has automatic inputs.
-      rootBlock.getFieldValue('INLINE') != 'AUTO'
+      rootBlock.getFieldValue('INLINE') !== 'AUTO'
       );
 };
 
@@ -323,4 +334,4 @@ BlockFactory.manualEdit = function() {
   BlockFactory.updateBlocksFlag = true;
   BlockFactory.updateBlocksFlagDelayed = true;
   BlockFactory.updateLanguage();
-}
+};
diff --git a/demos/blockfactory/factory_utils.js b/demos/blockfactory/factory_utils.js
index 9044257dd7f..4731d1ce9e7 100644
--- a/demos/blockfactory/factory_utils.js
+++ b/demos/blockfactory/factory_utils.js
@@ -10,7 +10,6 @@
  * Exporter applications within Blockly Factory. Holds functions to generate
  * block definitions and generator stubs and to create and download files.
  *
- * @author fraser@google.com (Neil Fraser), quachtina96 (Tina Quach), JC-Orozco
  * (Juan Carlos Orozco)
  */
 'use strict';
@@ -81,10 +80,10 @@ FactoryUtils.getGeneratorStub = function(block, generatorLanguage) {
     return '  var ' + root + '_' + name;
   }
   // The makevar function lives in the original update generator.
-  var language = generatorLanguage;
+  var language = generatorLanguage.toLowerCase();
   var code = [];
-  code.push("Blockly." + language + "['" + block.type +
-            "'] = function(block) {");
+  code.push(`${language}.${language}Generator.forBlock['${block.type}'] = ` +
+            'function(block, generator) {');
 
   // Generate getters for any fields or inputs.
   for (var i = 0, input; input = block.inputList[i]; i++) {
@@ -94,42 +93,34 @@ FactoryUtils.getGeneratorStub = function(block, generatorLanguage) {
         continue;
       }
       if (field instanceof Blockly.FieldVariable) {
-        // Subclass of Blockly.FieldDropdown, must test first.
-        code.push(makeVar('variable', name) +
-                  " = Blockly." + language +
-                  ".variableDB_.getName(block.getFieldValue('" + name +
-                  "'), Blockly.Variables.NAME_TYPE);");
-      } else if (field instanceof Blockly.FieldAngle) {
-        // Subclass of Blockly.FieldTextInput, must test first.
-        code.push(makeVar('angle', name) +
-                  " = block.getFieldValue('" + name + "');");
-      } else if (field instanceof Blockly.FieldColour) {
-        code.push(makeVar('colour', name) +
-                  " = block.getFieldValue('" + name + "');");
+        // FieldVariable is subclass of FieldDropdown; must test first.
+        code.push(`${makeVar('variable', name)} = ` +
+                  `generator.nameDB_.getName(block.getFieldValue('${name}'), ` +
+                  `Blockly.Variables.NAME_TYPE);`);
       } else if (field instanceof Blockly.FieldCheckbox) {
-        code.push(makeVar('checkbox', name) +
-                  " = block.getFieldValue('" + name + "') == 'TRUE';");
-      } else if (field instanceof Blockly.FieldDropdown) {
-        code.push(makeVar('dropdown', name) +
-                  " = block.getFieldValue('" + name + "');");
-      } else if (field instanceof Blockly.FieldNumber) {
-        code.push(makeVar('number', name) +
-                  " = block.getFieldValue('" + name + "');");
-      } else if (field instanceof Blockly.FieldTextInput) {
-        code.push(makeVar('text', name) +
-                  " = block.getFieldValue('" + name + "');");
+        code.push(`${makeVar('checkbox', name)} = ` +
+                  `block.getFieldValue('${name}') === 'TRUE';`);
+      } else {
+        let prefix =
+            // Angle is subclass of FieldTextInput; must test first.
+            field instanceof Blockly.FieldAngle ? 'angle' :
+            field instanceof Blockly.FieldColour ? 'colour' :
+            field instanceof Blockly.FieldDropdown ? 'dropdown' :
+            field instanceof Blockly.FieldNumber ? 'number' :
+            field instanceof Blockly.FieldTextInput ? 'text' :
+            'field';  // Default if subclass not found.
+        code.push(`${makeVar(prefix, name)} = block.getFieldValue('${name}');`);
       }
     }
     var name = input.name;
     if (name) {
-      if (input.type == Blockly.INPUT_VALUE) {
-        code.push(makeVar('value', name) +
-                  " = Blockly." + language + ".valueToCode(block, '" + name +
-                  "', Blockly." + language + ".ORDER_ATOMIC);");
-      } else if (input.type == Blockly.NEXT_STATEMENT) {
-        code.push(makeVar('statements', name) +
-                  " = Blockly." + language + ".statementToCode(block, '" +
-                  name + "');");
+      if (input.type === Blockly.INPUT_VALUE) {
+        code.push(`${makeVar('value', name)} = ` +
+                  `generator.valueToCode(block, '${name}', ` +
+                  `${language}.Order.ATOMIC);`);
+      } else if (input.type === Blockly.NEXT_STATEMENT) {
+        code.push(`${makeVar('statements', name)} = ` +
+                  `generator.statementToCode(block, '${name}');`);
       }
     }
   }
@@ -172,11 +163,11 @@ FactoryUtils.formatJson_ = function(blockType, rootBlock) {
   var contentsBlock = rootBlock.getInputTargetBlock('INPUTS');
   var lastInput = null;
   while (contentsBlock) {
-    if (!contentsBlock.disabled && !contentsBlock.getInheritedDisabled()) {
+    if (contentsBlock.isEnabled() && !contentsBlock.getInheritedDisabled()) {
       var fields = FactoryUtils.getFieldsJson_(
           contentsBlock.getInputTargetBlock('FIELDS'));
       for (var i = 0; i < fields.length; i++) {
-        if (typeof fields[i] == 'string') {
+        if (typeof fields[i] === 'string') {
           message.push(fields[i].replace(/%/g, '%%'));
         } else {
           args.push(fields[i]);
@@ -186,7 +177,8 @@ FactoryUtils.formatJson_ = function(blockType, rootBlock) {
 
       var input = {type: contentsBlock.type};
       // Dummy inputs don't have names.  Other inputs do.
-      if (contentsBlock.type != 'input_dummy') {
+      if (contentsBlock.type !== 'input_dummy' &&
+          contentsBlock.type !== 'input_end_row') {
         input.name = contentsBlock.getFieldValue('INPUTNAME');
       }
       var check = JSON.parse(
@@ -195,7 +187,7 @@ FactoryUtils.formatJson_ = function(blockType, rootBlock) {
         input.check = check;
       }
       var align = contentsBlock.getFieldValue('ALIGN');
-      if (align != 'LEFT') {
+      if (align !== 'LEFT') {
         input.align = align;
       }
       args.push(input);
@@ -206,12 +198,12 @@ FactoryUtils.formatJson_ = function(blockType, rootBlock) {
         contentsBlock.nextConnection.targetBlock();
   }
   // Remove last input if dummy and not empty.
-  if (lastInput && lastInput.type == 'input_dummy') {
+  if (lastInput && lastInput.type === 'input_dummy') {
     var fields = lastInput.getInputTargetBlock('FIELDS');
-    if (fields && FactoryUtils.getFieldsJson_(fields).join('').trim() != '') {
+    if (fields && FactoryUtils.getFieldsJson_(fields).join('').trim() !== '') {
       var align = lastInput.getFieldValue('ALIGN');
-      if (align != 'LEFT') {
-        JS.lastDummyAlign0 = align;
+      if (align !== 'LEFT') {
+        JS.implicitAlign0 = align;
       }
       args.pop();
       message.pop();
@@ -222,9 +214,9 @@ FactoryUtils.formatJson_ = function(blockType, rootBlock) {
     JS.args0 = args;
   }
   // Generate inline/external switch.
-  if (rootBlock.getFieldValue('INLINE') == 'EXT') {
+  if (rootBlock.getFieldValue('INLINE') === 'EXT') {
     JS.inputsInline = false;
-  } else if (rootBlock.getFieldValue('INLINE') == 'INT') {
+  } else if (rootBlock.getFieldValue('INLINE') === 'INT') {
     JS.inputsInline = true;
   }
   // Generate output, or next/previous connections.
@@ -255,7 +247,7 @@ FactoryUtils.formatJson_ = function(blockType, rootBlock) {
   }
   // Generate colour.
   var colourBlock = rootBlock.getInputTargetBlock('COLOUR');
-  if (colourBlock && !colourBlock.disabled) {
+  if (colourBlock && colourBlock.isEnabled()) {
     var hue = parseInt(colourBlock.getFieldValue('HUE'), 10);
     JS.colour = hue;
   }
@@ -281,13 +273,15 @@ FactoryUtils.formatJavaScript_ = function(blockType, rootBlock, workspace) {
   // Generate inputs.
   var TYPES = {'input_value': 'appendValueInput',
                'input_statement': 'appendStatementInput',
-               'input_dummy': 'appendDummyInput'};
+               'input_dummy': 'appendDummyInput',
+               'input_end_row': 'appendEndRowInput'};
   var contentsBlock = rootBlock.getInputTargetBlock('INPUTS');
   while (contentsBlock) {
-    if (!contentsBlock.disabled && !contentsBlock.getInheritedDisabled()) {
+    if (contentsBlock.isEnabled() && !contentsBlock.getInheritedDisabled()) {
       var name = '';
       // Dummy inputs don't have names.  Other inputs do.
-      if (contentsBlock.type != 'input_dummy') {
+      if (contentsBlock.type !== 'input_dummy' &&
+          contentsBlock.type !== 'input_end_row') {
         name =
             JSON.stringify(contentsBlock.getFieldValue('INPUTNAME'));
       }
@@ -297,7 +291,7 @@ FactoryUtils.formatJavaScript_ = function(blockType, rootBlock, workspace) {
         code.push('        .setCheck(' + check + ')');
       }
       var align = contentsBlock.getFieldValue('ALIGN');
-      if (align != 'LEFT') {
+      if (align !== 'LEFT') {
         code.push('        .setAlign(Blockly.ALIGN_' + align + ')');
       }
       var fields = FactoryUtils.getFieldsJs_(
@@ -312,9 +306,9 @@ FactoryUtils.formatJavaScript_ = function(blockType, rootBlock, workspace) {
         contentsBlock.nextConnection.targetBlock();
   }
   // Generate inline/external switch.
-  if (rootBlock.getFieldValue('INLINE') == 'EXT') {
+  if (rootBlock.getFieldValue('INLINE') === 'EXT') {
     code.push('    this.setInputsInline(false);');
-  } else if (rootBlock.getFieldValue('INLINE') == 'INT') {
+  } else if (rootBlock.getFieldValue('INLINE') === 'INT') {
     code.push('    this.setInputsInline(true);');
   }
   // Generate output, or next/previous connections.
@@ -339,7 +333,7 @@ FactoryUtils.formatJavaScript_ = function(blockType, rootBlock, workspace) {
   }
   // Generate colour.
   var colourBlock = rootBlock.getInputTargetBlock('COLOUR');
-  if (colourBlock && !colourBlock.disabled) {
+  if (colourBlock && colourBlock.isEnabled()) {
     var hue = parseInt(colourBlock.getFieldValue('HUE'), 10);
     if (!isNaN(hue)) {
       code.push('    this.setColour(' + hue + ');');
@@ -377,13 +371,13 @@ FactoryUtils.connectionLineJs_ = function(functionName, typeName, workspace) {
 /**
  * Returns field strings and any config.
  * @param {!Blockly.Block} block Input block.
- * @return {!Array.<string>} Field strings.
+ * @return {!Array<string>} Field strings.
  * @private
  */
 FactoryUtils.getFieldsJs_ = function(block) {
   var fields = [];
   while (block) {
-    if (!block.disabled && !block.getInheritedDisabled()) {
+    if (block.isEnabled() && !block.getInheritedDisabled()) {
       switch (block.type) {
         case 'field_static':
           // Result: 'hello'
@@ -410,11 +404,11 @@ FactoryUtils.getFieldsJs_ = function(block) {
             Number(block.getFieldValue('PRECISION'))
           ];
           // Remove any trailing arguments that aren't needed.
-          if (args[3] == 0) {
+          if (args[3] === 0) {
             args.pop();
-            if (args[2] == Infinity) {
+            if (args[2] === Infinity) {
               args.pop();
-              if (args[1] == -Infinity) {
+              if (args[1] === -Infinity) {
                 args.pop();
               }
             }
@@ -484,13 +478,13 @@ FactoryUtils.getFieldsJs_ = function(block) {
 /**
  * Returns field strings and any config.
  * @param {!Blockly.Block} block Input block.
- * @return {!Array.<string|!Object>} Array of static text and field configs.
+ * @return {!Array<string|!Object>} Array of static text and field configs.
  * @private
  */
 FactoryUtils.getFieldsJson_ = function(block) {
   var fields = [];
   while (block) {
-    if (!block.disabled && !block.getInheritedDisabled()) {
+    if (block.isEnabled() && !block.getInheritedDisabled()) {
       switch (block.type) {
         case 'field_static':
           // Result: 'hello'
@@ -541,7 +535,7 @@ FactoryUtils.getFieldsJson_ = function(block) {
           fields.push({
             type: block.type,
             name: block.getFieldValue('FIELDNAME'),
-            checked: block.getFieldValue('CHECKED') == 'TRUE'
+            checked: block.getFieldValue('CHECKED') === 'TRUE'
           });
           break;
         case 'field_colour':
@@ -579,7 +573,7 @@ FactoryUtils.getFieldsJson_ = function(block) {
             width: Number(block.getFieldValue('WIDTH')),
             height: Number(block.getFieldValue('HEIGHT')),
             alt: block.getFieldValue('ALT'),
-            flipRtl: block.getFieldValue('FLIP_RTL') == 'TRUE'
+            flipRtl: block.getFieldValue('FLIP_RTL') === 'TRUE'
           });
           break;
       }
@@ -598,11 +592,11 @@ FactoryUtils.getFieldsJson_ = function(block) {
  */
 FactoryUtils.getOptTypesFrom = function(block, name) {
   var types = FactoryUtils.getTypesFrom_(block, name);
-  if (types.length == 0) {
+  if (types.length === 0) {
     return undefined;
-  } else if (types.indexOf('null') != -1) {
+  } else if (types.includes('null')) {
     return 'null';
-  } else if (types.length == 1) {
+  } else if (types.length === 1) {
     return types[0];
   } else {
     return '[' + types.join(', ') + ']';
@@ -614,17 +608,17 @@ FactoryUtils.getOptTypesFrom = function(block, name) {
  * Fetch the type(s) defined in the given input.
  * @param {!Blockly.Block} block Block with input.
  * @param {string} name Name of the input.
- * @return {!Array.<string>} List of types.
+ * @return {!Array<string>} List of types.
  * @private
  */
 FactoryUtils.getTypesFrom_ = function(block, name) {
   var typeBlock = block.getInputTargetBlock(name);
   var types;
-  if (!typeBlock || typeBlock.disabled) {
+  if (!typeBlock || !typeBlock.isEnabled()) {
     types = [];
-  } else if (typeBlock.type == 'type_other') {
+  } else if (typeBlock.type === 'type_other') {
     types = [JSON.stringify(typeBlock.getFieldValue('TYPE'))];
-  } else if (typeBlock.type == 'type_group') {
+  } else if (typeBlock.type === 'type_group') {
     types = [];
     for (var n = 0; n < typeBlock.typeCount_; n++) {
       types = types.concat(FactoryUtils.getTypesFrom_(typeBlock, 'TYPE' + n));
@@ -652,7 +646,7 @@ FactoryUtils.getTypesFrom_ = function(block, name) {
 FactoryUtils.getRootBlock = function(workspace) {
   var blocks = workspace.getTopBlocks(false);
   for (var i = 0, block; block = blocks[i]; i++) {
-    if (block.type == 'factory_base') {
+    if (block.type === 'factory_base') {
       return block;
     }
   }
@@ -735,7 +729,7 @@ FactoryUtils.getDefinedBlock = function(blockType, workspace) {
 FactoryUtils.getBlockTypeFromJsDefinition = function(blockDef) {
   var indexOfStartBracket = blockDef.indexOf('[\'');
   var indexOfEndBracket = blockDef.indexOf('\']');
-  if (indexOfStartBracket != -1 && indexOfEndBracket != -1) {
+  if (indexOfStartBracket !== -1 && indexOfEndBracket !== -1) {
     return blockDef.substring(indexOfStartBracket + 2, indexOfEndBracket);
   } else {
     throw Error('Could not parse block type out of JavaScript block ' +
@@ -745,7 +739,7 @@ FactoryUtils.getBlockTypeFromJsDefinition = function(blockDef) {
 
 /**
  * Generates a category containing blocks of the specified block types.
- * @param {!Array.<!Blockly.Block>} blocks Blocks to include in the category.
+ * @param {!Array<!Blockly.Block>} blocks Blocks to include in the category.
  * @param {string} categoryName Name to use for the generated category.
  * @return {!Element} Category XML containing the given block types.
  */
@@ -771,15 +765,15 @@ FactoryUtils.generateCategoryXml = function(blocks, categoryName) {
  * Parses a string containing JavaScript block definition(s) to create an array
  * in which each element is a single block definition.
  * @param {string} blockDefsString JavaScript block definition(s).
- * @return {!Array.<string>} Array of block definitions.
+ * @return {!Array<string>} Array of block definitions.
  */
 FactoryUtils.parseJsBlockDefinitions = function(blockDefsString) {
   var blockDefArray = [];
   var defStart = blockDefsString.indexOf('Blockly.Blocks');
 
-  while (blockDefsString.indexOf('Blockly.Blocks', defStart) != -1) {
+  while (blockDefsString.includes('Blockly.Blocks', defStart)) {
     var nextStart = blockDefsString.indexOf('Blockly.Blocks', defStart + 1);
-    if (nextStart == -1) {
+    if (nextStart === -1) {
       // This is the last block definition.
       nextStart = blockDefsString.length;
     }
@@ -797,7 +791,7 @@ FactoryUtils.parseJsBlockDefinitions = function(blockDefsString) {
  * JSON objects.
  * @param {string} blockDefsString String containing JSON block
  *    definition(s).
- * @return {!Array.<string>} Array of block definitions.
+ * @return {!Array<string>} Array of block definitions.
  */
 FactoryUtils.parseJsonBlockDefinitions = function(blockDefsString) {
   var blockDefArray = [];
@@ -807,12 +801,12 @@ FactoryUtils.parseJsonBlockDefinitions = function(blockDefsString) {
   // are balanced.
   for (var i = 0; i < blockDefsString.length; i++) {
     var currentChar = blockDefsString[i];
-    if (currentChar == '{') {
+    if (currentChar === '{') {
       unbalancedBracketCount++;
     }
-    else if (currentChar == '}') {
+    else if (currentChar === '}') {
       unbalancedBracketCount--;
-      if (unbalancedBracketCount == 0 && i > 0) {
+      if (unbalancedBracketCount === 0 && i > 0) {
         // The brackets are balanced. We've got a complete block definition.
         var blockDef = blockDefsString.substring(defStart, i + 1);
         blockDefArray.push(blockDef);
@@ -827,13 +821,13 @@ FactoryUtils.parseJsonBlockDefinitions = function(blockDefsString) {
  * Define blocks from imported block definitions.
  * @param {string} blockDefsString Block definition(s).
  * @param {string} format Block definition format ('JSON' or 'JavaScript').
- * @return {!Array.<!Element>} Array of block types defined.
+ * @return {!Array<!Element>} Array of block types defined.
  */
 FactoryUtils.defineAndGetBlockTypes = function(blockDefsString, format) {
   var blockTypes = [];
 
   // Define blocks and get block types.
-  if (format == 'JSON') {
+  if (format === 'JSON') {
     var blockDefArray = FactoryUtils.parseJsonBlockDefinitions(blockDefsString);
 
     // Populate array of blocktypes and define each block.
@@ -848,7 +842,7 @@ FactoryUtils.defineAndGetBlockTypes = function(blockDefsString, format) {
         }
       };
     }
-  } else if (format == 'JavaScript') {
+  } else if (format === 'JavaScript') {
     var blockDefArray = FactoryUtils.parseJsBlockDefinitions(blockDefsString);
 
     // Populate array of block types.
@@ -890,8 +884,8 @@ FactoryUtils.injectCode = function(code, id) {
  */
 FactoryUtils.sameBlockXml = function(blockXml1, blockXml2) {
   // Each XML element should contain a single child element with a 'block' tag
-  if (blockXml1.tagName.toLowerCase() != 'xml' ||
-      blockXml2.tagName.toLowerCase() != 'xml') {
+  if (blockXml1.tagName.toLowerCase() !== 'xml' ||
+      blockXml2.tagName.toLowerCase() !== 'xml') {
     throw Error('Expected two XML elements, received elements with tag ' +
         'names: ' + blockXml1.tagName + ' and ' + blockXml2.tagName + '.');
   }
@@ -916,7 +910,7 @@ FactoryUtils.sameBlockXml = function(blockXml1, blockXml2) {
   blockXmlText2 = blockXmlText2.replace(/\s+/g, '');
 
   // Return whether or not changes have been saved.
-  return blockXmlText1 == blockXmlText2;
+  return blockXmlText1 === blockXmlText2;
 };
 
 /**
@@ -982,11 +976,11 @@ FactoryUtils.hasVariableField = function(block) {
  */
 FactoryUtils.isProcedureBlock = function(block) {
   return block &&
-      (block.type == 'procedures_defnoreturn' ||
-      block.type == 'procedures_defreturn' ||
-      block.type == 'procedures_callnoreturn' ||
-      block.type == 'procedures_callreturn' ||
-      block.type == 'procedures_ifreturn');
+      (block.type === 'procedures_defnoreturn' ||
+      block.type === 'procedures_defreturn' ||
+      block.type === 'procedures_callnoreturn' ||
+      block.type === 'procedures_callreturn' ||
+      block.type === 'procedures_ifreturn');
 };
 
 /**
@@ -1021,7 +1015,7 @@ FactoryUtils.savedBlockChanges = function(blockLibraryController) {
  */
 FactoryUtils.getTooltipFromRootBlock_ = function(rootBlock) {
   var tooltipBlock = rootBlock.getInputTargetBlock('TOOLTIP');
-  if (tooltipBlock && !tooltipBlock.disabled) {
+  if (tooltipBlock && tooltipBlock.isEnabled()) {
     return tooltipBlock.getFieldValue('TEXT');
   }
   return '';
@@ -1035,7 +1029,7 @@ FactoryUtils.getTooltipFromRootBlock_ = function(rootBlock) {
  */
 FactoryUtils.getHelpUrlFromRootBlock_ = function(rootBlock) {
   var helpUrlBlock = rootBlock.getInputTargetBlock('HELPURL');
-  if (helpUrlBlock && !helpUrlBlock.disabled) {
+  if (helpUrlBlock && helpUrlBlock.isEnabled()) {
     return helpUrlBlock.getFieldValue('TEXT');
   }
   return '';
diff --git a/demos/blockfactory/index.html b/demos/blockfactory/index.html
index ec4d59402c4..77687bce14a 100644
--- a/demos/blockfactory/index.html
+++ b/demos/blockfactory/index.html
@@ -4,10 +4,10 @@
   <meta charset="utf-8">
   <meta name="viewport" content="target-densitydpi=device-dpi, height=660, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
   <title>Blockly Demo: Blockly Developer Tools</title>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../javascript_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
-  <script src="../../blocks_compressed.js"></script>
+  <script src="https://unpkg.com/blockly@10.4.3/blockly_compressed.js"></script>
+  <script src="https://unpkg.com/blockly@10.4.3/blocks_compressed.js"></script>
+  <script src="https://unpkg.com/blockly@10.4.3/javascript_compressed.js"></script>
+  <script src="https://unpkg.com/blockly@10.4.3/msg/en.js"></script>
   <script src="analytics.js"></script>
   <script src="block_definition_extractor.js"></script>
   <script src="factory_utils.js"></script>
@@ -31,7 +31,7 @@
   <script src="/storage.js"></script>
   <link rel="stylesheet" href="factory.css">
   <link rel="stylesheet" href="cp.css">
-  <script src="https://cdn.rawgit.com/google/code-prettify/master/loader/run_prettify.js"></script>
+  <script src="https://cdn.jsdelivr.net/gh/google/code-prettify@master/loader/run_prettify.js"></script>
   <script>
     var blocklyFactory;
     var init = function() {
@@ -143,9 +143,9 @@ <h3>Export Preview</h3>
         <div class="dropdown">
         <button id="button_importBlocks">Import Custom Blocks</button>
           <div id="dropdownDiv_importBlocks" class="dropdown-content">
-            <input type="file" id="input_importBlocksJson" accept=".js, .json, .txt" class="inputfile"</input>
+            <input type="file" id="input_importBlocksJson" accept=".js, .json, .txt" class="inputfile">
             <label for="input_importBlocksJson">From JSON</label>
-            <input type="file" id="input_importBlocksJs" accept=".js, .txt" class="inputfile"</input>
+            <input type="file" id="input_importBlocksJs" accept=".js, .txt" class="inputfile">
             <label for="input_importBlocksJs">From Javascript</label>
           </div>
         </div>
@@ -153,9 +153,9 @@ <h3>Export Preview</h3>
         <div class="dropdown">
         <button id="button_load">Load to Edit</button>
           <div id="dropdownDiv_load" class="dropdown-content">
-            <input type="file" id="input_loadToolbox" accept=".xml" class="inputfile"></input>
+            <input type="file" id="input_loadToolbox" accept=".xml" class="inputfile">
             <label for="input_loadToolbox">Toolbox</label>
-            <input type="file" id="input_loadPreload" accept=".xml" class="inputfile"</input>
+            <input type="file" id="input_loadPreload" accept=".xml" class="inputfile">
             <label for="input_loadPreload">Workspace Blocks</label>
           </div>
         </div>
@@ -339,6 +339,9 @@ <h3>Preview:
               <button id="localSaveButton" title="Save block library XML to a local file.">
                 <span>Download Block Library</span>
               </button>
+              <button id="exportAsJson" title="Export block library for import into the new Block Factory.">
+                <span>Export Block Library</span>
+              </button>
             </td>
           </tr>
         </table>
@@ -369,7 +372,7 @@ <h3>Block Definition:
                     // Manual JavaScript works but requires use of eval().
                     // TODO(#1269): Replace eval() with JS-Interpreter before
                     //              re-enabling "Manual JavaScript" mode.
-                    if (document.location.href.indexOf('file://') == 0) {
+                    if (document.location.href.startsWith('file://')) {
                       document.write(
                           '<option value="Manual-JS">Manual JavaScript&hellip;</option>');
                     }
@@ -422,6 +425,7 @@ <h3>Generator stub:
         </value>
       </block>
       <block type="input_dummy"></block>
+      <block type="input_end_row"></block>
     </category>
     <category name="Field">
       <block type="field_static"></block>
diff --git a/demos/blockfactory/standard_categories.js b/demos/blockfactory/standard_categories.js
index 4bb3d1f6f77..c0e82d50357 100644
--- a/demos/blockfactory/standard_categories.js
+++ b/demos/blockfactory/standard_categories.js
@@ -10,8 +10,6 @@
  * the lower case name of the category, and contains the Category object for
  * that particular category. Also has a list of core block types provided
  * by Blockly.
- *
- * @author Emma Dauterman (evd2014)
  */
  'use strict';
 
@@ -28,327 +26,327 @@ StandardCategories.categoryMap = Object.create(null);
 StandardCategories.categoryMap['logic'] =
     new ListElement(ListElement.TYPE_CATEGORY, 'Logic');
 StandardCategories.categoryMap['logic'].xml =
-    Blockly.Xml.textToDom(
+    Blockly.utils.xml.textToDom(
     '<xml xmlns="https://developers.google.com/blockly/xml">' +
-    '<block type="controls_if"></block>' +
-    '<block type="logic_compare"></block>' +
-    '<block type="logic_operation"></block>' +
-    '<block type="logic_negate"></block>' +
-    '<block type="logic_boolean"></block>' +
-    '<block type="logic_null"></block>' +
-    '<block type="logic_ternary"></block>' +
+      '<block type="controls_if"></block>' +
+      '<block type="logic_compare"></block>' +
+      '<block type="logic_operation"></block>' +
+      '<block type="logic_negate"></block>' +
+      '<block type="logic_boolean"></block>' +
+      '<block type="logic_null"></block>' +
+      '<block type="logic_ternary"></block>' +
     '</xml>');
 StandardCategories.categoryMap['logic'].hue = 210;
 
 StandardCategories.categoryMap['loops'] =
     new ListElement(ListElement.TYPE_CATEGORY, 'Loops');
 StandardCategories.categoryMap['loops'].xml =
-    Blockly.Xml.textToDom(
+    Blockly.utils.xml.textToDom(
     '<xml xmlns="https://developers.google.com/blockly/xml">' +
-    '<block type="controls_repeat_ext">' +
-      '<value name="TIMES">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">10</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="controls_whileUntil"></block>' +
-    '<block type="controls_for">' +
-      '<value name="FROM">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">1</field>' +
-        '</shadow>' +
-      '</value>' +
-      '<value name="TO">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">10</field>' +
-        '</shadow>' +
-      '</value>' +
-      '<value name="BY">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">1</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="controls_forEach"></block>' +
-    '<block type="controls_flow_statements"></block>' +
+      '<block type="controls_repeat_ext">' +
+        '<value name="TIMES">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">10</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="controls_whileUntil"></block>' +
+      '<block type="controls_for">' +
+        '<value name="FROM">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">1</field>' +
+          '</shadow>' +
+        '</value>' +
+        '<value name="TO">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">10</field>' +
+          '</shadow>' +
+        '</value>' +
+        '<value name="BY">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">1</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="controls_forEach"></block>' +
+      '<block type="controls_flow_statements"></block>' +
     '</xml>');
 StandardCategories.categoryMap['loops'].hue = 120;
 
 StandardCategories.categoryMap['math'] =
     new ListElement(ListElement.TYPE_CATEGORY, 'Math');
 StandardCategories.categoryMap['math'].xml =
-    Blockly.Xml.textToDom(
+    Blockly.utils.xml.textToDom(
     '<xml xmlns="https://developers.google.com/blockly/xml">' +
-    '<block type="math_number"></block>' +
-    '<block type="math_arithmetic">' +
-      '<value name="A">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">1</field>' +
-        '</shadow>' +
-      '</value>' +
-      '<value name="B">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">1</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="math_single">' +
-      '<value name="NUM">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">9</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="math_trig">' +
-      '<value name="NUM">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">45</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="math_constant"></block>' +
-    '<block type="math_number_property">' +
-      '<value name="NUMBER_TO_CHECK">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">0</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="math_round">' +
-      '<value name="NUM">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">3.1</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="math_on_list"></block>' +
-    '<block type="math_modulo">' +
-      '<value name="DIVIDEND">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">64</field>' +
-        '</shadow>' +
-      '</value>' +
-      '<value name="DIVISOR">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">10</field>'+
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="math_constrain">' +
-      '<value name="VALUE">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">50</field>' +
-        '</shadow>' +
-      '</value>' +
-      '<value name="LOW">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">1</field>' +
-        '</shadow>' +
-      '</value>' +
-      '<value name="HIGH">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">100</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="math_random_int">' +
-      '<value name="FROM">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">1</field>' +
-        '</shadow>' +
-      '</value>' +
-      '<value name="TO">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">100</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="math_random_float"></block>' +
+      '<block type="math_number"></block>' +
+      '<block type="math_arithmetic">' +
+        '<value name="A">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">1</field>' +
+          '</shadow>' +
+        '</value>' +
+        '<value name="B">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">1</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="math_single">' +
+        '<value name="NUM">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">9</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="math_trig">' +
+        '<value name="NUM">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">45</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="math_constant"></block>' +
+      '<block type="math_number_property">' +
+        '<value name="NUMBER_TO_CHECK">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">0</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="math_round">' +
+        '<value name="NUM">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">3.1</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="math_on_list"></block>' +
+      '<block type="math_modulo">' +
+        '<value name="DIVIDEND">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">64</field>' +
+          '</shadow>' +
+        '</value>' +
+        '<value name="DIVISOR">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">10</field>'+
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="math_constrain">' +
+        '<value name="VALUE">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">50</field>' +
+          '</shadow>' +
+        '</value>' +
+        '<value name="LOW">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">1</field>' +
+          '</shadow>' +
+        '</value>' +
+        '<value name="HIGH">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">100</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="math_random_int">' +
+        '<value name="FROM">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">1</field>' +
+          '</shadow>' +
+        '</value>' +
+        '<value name="TO">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">100</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="math_random_float"></block>' +
     '</xml>');
 StandardCategories.categoryMap['math'].hue = 230;
 
 StandardCategories.categoryMap['text'] =
     new ListElement(ListElement.TYPE_CATEGORY, 'Text');
 StandardCategories.categoryMap['text'].xml =
-    Blockly.Xml.textToDom(
+    Blockly.utils.xml.textToDom(
     '<xml xmlns="https://developers.google.com/blockly/xml">' +
-    '<block type="text"></block>' +
-    '<block type="text_join"></block>' +
-    '<block type="text_append">' +
-      '<value name="TEXT">' +
-        '<shadow type="text"></shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="text_length">' +
-      '<value name="VALUE">' +
-        '<shadow type="text">' +
-          '<field name="TEXT">abc</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="text_isEmpty">' +
-      '<value name="VALUE">' +
-        '<shadow type="text">' +
-          '<field name="TEXT"></field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="text_indexOf">' +
-      '<value name="VALUE">' +
-        '<block type="variables_get">' +
-          '<field name="VAR">text</field>' +
-        '</block>' +
-      '</value>' +
-      '<value name="FIND">' +
-        '<shadow type="text">' +
-          '<field name="TEXT">abc</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="text_charAt">' +
-      '<value name="VALUE">' +
-        '<block type="variables_get">' +
-          '<field name="VAR">text</field>' +
-        '</block>' +
-      '</value>' +
-    '</block>' +
-    '<block type="text_getSubstring">' +
-      '<value name="STRING">' +
-        '<block type="variables_get">' +
-          '<field name="VAR">text</field>' +
-        '</block>' +
-      '</value>' +
-    '</block>' +
-    '<block type="text_changeCase">' +
-      '<value name="TEXT">' +
-        '<shadow type="text">' +
-          '<field name="TEXT">abc</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="text_trim">' +
-      '<value name="TEXT">' +
-        '<shadow type="text">' +
-          '<field name="TEXT">abc</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="text_print">' +
-      '<value name="TEXT">' +
-        '<shadow type="text">' +
-          '<field name="TEXT">abc</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="text_prompt_ext">' +
-      '<value name="TEXT">' +
-        '<shadow type="text">' +
-          '<field name="TEXT">abc</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
+      '<block type="text"></block>' +
+      '<block type="text_join"></block>' +
+      '<block type="text_append">' +
+        '<value name="TEXT">' +
+          '<shadow type="text"></shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="text_length">' +
+        '<value name="VALUE">' +
+          '<shadow type="text">' +
+            '<field name="TEXT">abc</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="text_isEmpty">' +
+        '<value name="VALUE">' +
+          '<shadow type="text">' +
+            '<field name="TEXT"></field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="text_indexOf">' +
+        '<value name="VALUE">' +
+          '<block type="variables_get">' +
+            '<field name="VAR">text</field>' +
+          '</block>' +
+        '</value>' +
+        '<value name="FIND">' +
+          '<shadow type="text">' +
+            '<field name="TEXT">abc</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="text_charAt">' +
+        '<value name="VALUE">' +
+          '<block type="variables_get">' +
+            '<field name="VAR">text</field>' +
+          '</block>' +
+        '</value>' +
+      '</block>' +
+      '<block type="text_getSubstring">' +
+        '<value name="STRING">' +
+          '<block type="variables_get">' +
+            '<field name="VAR">text</field>' +
+          '</block>' +
+        '</value>' +
+      '</block>' +
+      '<block type="text_changeCase">' +
+        '<value name="TEXT">' +
+          '<shadow type="text">' +
+            '<field name="TEXT">abc</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="text_trim">' +
+        '<value name="TEXT">' +
+          '<shadow type="text">' +
+            '<field name="TEXT">abc</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="text_print">' +
+        '<value name="TEXT">' +
+          '<shadow type="text">' +
+            '<field name="TEXT">abc</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="text_prompt_ext">' +
+        '<value name="TEXT">' +
+          '<shadow type="text">' +
+            '<field name="TEXT">abc</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
     '</xml>');
 StandardCategories.categoryMap['text'].hue = 160;
 
 StandardCategories.categoryMap['lists'] =
     new ListElement(ListElement.TYPE_CATEGORY, 'Lists');
 StandardCategories.categoryMap['lists'].xml =
-    Blockly.Xml.textToDom(
+    Blockly.utils.xml.textToDom(
     '<xml xmlns="https://developers.google.com/blockly/xml">' +
-    '<block type="lists_create_with">' +
-      '<mutation items="0"></mutation>' +
-    '</block>' +
-    '<block type="lists_create_with"></block>' +
-    '<block type="lists_repeat">' +
-      '<value name="NUM">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">5</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="lists_length"></block>' +
-    '<block type="lists_isEmpty"></block>' +
-    '<block type="lists_indexOf">' +
-      '<value name="VALUE">' +
-        '<block type="variables_get">' +
-          '<field name="VAR">list</field>' +
-        '</block>' +
-      '</value>' +
-    '</block>' +
-    '<block type="lists_getIndex">' +
-      '<value name="VALUE">' +
-        '<block type="variables_get">' +
-          '<field name="VAR">list</field>' +
-        '</block>' +
-      '</value>' +
-    '</block>' +
-    '<block type="lists_setIndex">' +
-      '<value name="LIST">' +
-        '<block type="variables_get">' +
-          '<field name="VAR">list</field>' +
-        '</block>' +
-      '</value>' +
-    '</block>' +
-    '<block type="lists_getSublist">' +
-      '<value name="LIST">' +
-        '<block type="variables_get">' +
-          '<field name="VAR">list</field>' +
-        '</block>' +
-      '</value>' +
-    '</block>' +
-    '<block type="lists_split">' +
-      '<value name="DELIM">' +
-        '<shadow type="text">' +
-          '<field name="TEXT">,</field>' +
-        '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="lists_sort"></block>' +
+      '<block type="lists_create_with">' +
+        '<mutation items="0"></mutation>' +
+      '</block>' +
+      '<block type="lists_create_with"></block>' +
+      '<block type="lists_repeat">' +
+        '<value name="NUM">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">5</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="lists_length"></block>' +
+      '<block type="lists_isEmpty"></block>' +
+      '<block type="lists_indexOf">' +
+        '<value name="VALUE">' +
+          '<block type="variables_get">' +
+            '<field name="VAR">list</field>' +
+          '</block>' +
+        '</value>' +
+      '</block>' +
+      '<block type="lists_getIndex">' +
+        '<value name="VALUE">' +
+          '<block type="variables_get">' +
+            '<field name="VAR">list</field>' +
+          '</block>' +
+        '</value>' +
+      '</block>' +
+      '<block type="lists_setIndex">' +
+        '<value name="LIST">' +
+          '<block type="variables_get">' +
+            '<field name="VAR">list</field>' +
+          '</block>' +
+        '</value>' +
+      '</block>' +
+      '<block type="lists_getSublist">' +
+        '<value name="LIST">' +
+          '<block type="variables_get">' +
+            '<field name="VAR">list</field>' +
+          '</block>' +
+        '</value>' +
+      '</block>' +
+      '<block type="lists_split">' +
+        '<value name="DELIM">' +
+          '<shadow type="text">' +
+            '<field name="TEXT">,</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="lists_sort"></block>' +
     '</xml>');
 StandardCategories.categoryMap['lists'].hue = 260;
 
 StandardCategories.categoryMap['colour'] =
     new ListElement(ListElement.TYPE_CATEGORY, 'Colour');
 StandardCategories.categoryMap['colour'].xml =
-    Blockly.Xml.textToDom(
+    Blockly.utils.xml.textToDom(
     '<xml xmlns="https://developers.google.com/blockly/xml">' +
-    '<block type="colour_picker"></block>' +
-    '<block type="colour_random"></block>' +
-    '<block type="colour_rgb">' +
-      '<value name="RED">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">100</field>' +
-        '</shadow>' +
-      '</value>' +
-      '<value name="GREEN">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">50</field>' +
-        '</shadow>' +
-      '</value>' +
-      '<value name="BLUE">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">0</field>' +
+      '<block type="colour_picker"></block>' +
+      '<block type="colour_random"></block>' +
+      '<block type="colour_rgb">' +
+        '<value name="RED">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">100</field>' +
+          '</shadow>' +
+        '</value>' +
+        '<value name="GREEN">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">50</field>' +
+          '</shadow>' +
+        '</value>' +
+        '<value name="BLUE">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">0</field>' +
+          '</shadow>' +
+        '</value>' +
+      '</block>' +
+      '<block type="colour_blend">' +
+        '<value name="COLOUR1">' +
+          '<shadow type="colour_picker">' +
+            '<field name="COLOUR">#ff0000</field>' +
+          '</shadow>' +
+        '</value>' +
+        '<value name="COLOUR2">' +
+          '<shadow type="colour_picker">' +
+            '<field name="COLOUR">#3333ff</field>' +
+          '</shadow>' +
+        '</value>' +
+        '<value name="RATIO">' +
+          '<shadow type="math_number">' +
+            '<field name="NUM">0.5</field>' +
         '</shadow>' +
-      '</value>' +
-    '</block>' +
-    '<block type="colour_blend">' +
-      '<value name="COLOUR1">' +
-        '<shadow type="colour_picker">' +
-          '<field name="COLOUR">#ff0000</field>' +
-        '</shadow>' +
-      '</value>' +
-      '<value name="COLOUR2">' +
-        '<shadow type="colour_picker">' +
-          '<field name="COLOUR">#3333ff</field>' +
-        '</shadow>' +
-      '</value>' +
-      '<value name="RATIO">' +
-        '<shadow type="math_number">' +
-          '<field name="NUM">0.5</field>' +
-       '</shadow>' +
-      '</value>' +
-    '</block>' +
+        '</value>' +
+      '</block>' +
     '</xml>');
 StandardCategories.categoryMap['colour'].hue = 20;
 
@@ -362,6 +360,11 @@ StandardCategories.categoryMap['variables'] =
 StandardCategories.categoryMap['variables'].hue = 330;
 StandardCategories.categoryMap['variables'].custom = 'VARIABLE';
 
+StandardCategories.categoryMap['typedvariables'] =
+    new ListElement(ListElement.TYPE_CATEGORY, 'TypedVariables');
+StandardCategories.categoryMap['typedvariables'].custom = 'VARIABLE_DYNAMIC';
+StandardCategories.categoryMap['typedvariables'].hue = 290;
+
 // All standard block types in provided in Blockly core.
 StandardCategories.coreBlockTypes =  ["controls_if", "logic_compare",
     "logic_operation", "logic_negate", "logic_boolean", "logic_null",
diff --git a/demos/blockfactory/workspacefactory/wfactory_controller.js b/demos/blockfactory/workspacefactory/wfactory_controller.js
index cfecbbbc452..385feede8ec 100644
--- a/demos/blockfactory/workspacefactory/wfactory_controller.js
+++ b/demos/blockfactory/workspacefactory/wfactory_controller.js
@@ -16,8 +16,6 @@
  * - updating the preview workspace
  * - changing a category name
  * - moving the position of a category.
- *
- * @author Emma Dauterman (evd2014)
  */
 
 /**
@@ -76,7 +74,7 @@ WorkspaceFactoryController = function(toolboxName, toolboxDiv, previewDiv) {
 // toolbox.
 WorkspaceFactoryController.MODE_TOOLBOX = 'toolbox';
 // Pre-loaded workspace editing mode. Changes the user makes to the workspace
-// udpates the pre-loaded blocks.
+// updates the pre-loaded blocks.
 WorkspaceFactoryController.MODE_PRELOAD = 'preload';
 
 /**
@@ -247,7 +245,7 @@ WorkspaceFactoryController.prototype.switchElement = function(id) {
   Blockly.Events.disable();
   // Caches information to reload or generate XML if switching to/from element.
   // Only saves if a category is selected.
-  if (this.model.getSelectedId() != null && id != null) {
+  if (this.model.getSelectedId() !== null && id !== null) {
     this.model.getSelected().saveFromWorkspace(this.toolboxWorkspace);
   }
   // Load element.
@@ -263,13 +261,13 @@ WorkspaceFactoryController.prototype.switchElement = function(id) {
  */
 WorkspaceFactoryController.prototype.clearAndLoadElement = function(id) {
   // Unselect current tab if switching to and from an element.
-  if (this.model.getSelectedId() != null && id != null) {
+  if (this.model.getSelectedId() !== null && id !== null) {
     this.view.setCategoryTabSelection(this.model.getSelectedId(), false);
   }
 
   // If switching to another category, set category selection in the model and
   // view.
-  if (id != null) {
+  if (id !== null) {
     // Set next category.
     this.model.setSelectedById(id);
 
@@ -301,7 +299,7 @@ WorkspaceFactoryController.prototype.clearAndLoadElement = function(id) {
  */
 WorkspaceFactoryController.prototype.exportXmlFile = function(exportMode) {
   // Get file name.
-  if (exportMode == WorkspaceFactoryController.MODE_TOOLBOX) {
+  if (exportMode === WorkspaceFactoryController.MODE_TOOLBOX) {
     var fileName = prompt('File Name for toolbox XML:', 'toolbox.xml');
   } else {
     var fileName = prompt('File Name for pre-loaded workspace XML:',
@@ -312,12 +310,12 @@ WorkspaceFactoryController.prototype.exportXmlFile = function(exportMode) {
   }
 
   // Generate XML.
-  if (exportMode == WorkspaceFactoryController.MODE_TOOLBOX) {
+  if (exportMode === WorkspaceFactoryController.MODE_TOOLBOX) {
     // Export the toolbox XML.
     var configXml = Blockly.Xml.domToPrettyText(
         this.generator.generateToolboxXml());
     this.hasUnsavedToolboxChanges = false;
-  } else if (exportMode == WorkspaceFactoryController.MODE_PRELOAD) {
+  } else if (exportMode === WorkspaceFactoryController.MODE_PRELOAD) {
     // Export the pre-loaded block XML.
     var configXml = Blockly.Xml.domToPrettyText(
         this.generator.generateWorkspaceXml());
@@ -333,11 +331,11 @@ WorkspaceFactoryController.prototype.exportXmlFile = function(exportMode) {
   var data = new Blob([configXml], {type: 'text/xml'});
   this.view.createAndDownloadFile(fileName, data);
 
-  if (exportMode == WorkspaceFactoryController.MODE_TOOLBOX) {
+  if (exportMode === WorkspaceFactoryController.MODE_TOOLBOX) {
     BlocklyDevTools.Analytics.onExport(
         BlocklyDevTools.Analytics.TOOLBOX,
         { format: BlocklyDevTools.Analytics.FORMAT_XML });
-  } else if (exportMode == WorkspaceFactoryController.MODE_PRELOAD) {
+  } else if (exportMode === WorkspaceFactoryController.MODE_PRELOAD) {
     BlocklyDevTools.Analytics.onExport(
         BlocklyDevTools.Analytics.WORKSPACE_CONTENTS,
         { format: BlocklyDevTools.Analytics.FORMAT_XML });
@@ -398,11 +396,11 @@ WorkspaceFactoryController.prototype.updatePreview = function() {
   // Only update the toolbox if not in read only mode.
   if (!this.model.options['readOnly']) {
     // Get toolbox XML.
-    var tree = Blockly.Options.parseToolboxTree(
+    var tree = Blockly.utils.toolbox.parseToolboxTree(
         this.generator.generateToolboxXml());
 
     // No categories, creates a simple flyout.
-    if (tree.getElementsByTagName('category').length == 0) {
+    if (tree.getElementsByTagName('category').length === 0) {
       // No categories, creates a simple flyout.
       if (this.previewWorkspace.toolbox_) {
         this.reinjectPreview(tree); // Switch to simple flyout, expensive.
@@ -436,20 +434,20 @@ WorkspaceFactoryController.prototype.updatePreview = function() {
  * be called after making changes to the workspace.
  */
 WorkspaceFactoryController.prototype.saveStateFromWorkspace = function() {
-  if (this.selectedMode == WorkspaceFactoryController.MODE_TOOLBOX) {
+  if (this.selectedMode === WorkspaceFactoryController.MODE_TOOLBOX) {
     // If currently editing the toolbox.
     // Update flags if toolbox has been changed.
-    if (this.model.getSelectedXml() !=
+    if (this.model.getSelectedXml() !==
         Blockly.Xml.workspaceToDom(this.toolboxWorkspace)) {
       this.hasUnsavedToolboxChanges = true;
     }
 
     this.model.getSelected().saveFromWorkspace(this.toolboxWorkspace);
 
-  } else if (this.selectedMode == WorkspaceFactoryController.MODE_PRELOAD) {
+  } else if (this.selectedMode === WorkspaceFactoryController.MODE_PRELOAD) {
     // If currently editing the pre-loaded workspace.
     // Update flags if preloaded blocks have been changed.
-    if (this.model.getPreloadXml() !=
+    if (this.model.getPreloadXml() !==
         Blockly.Xml.workspaceToDom(this.toolboxWorkspace)) {
       this.hasUnsavedPreloadChanges = true;
     }
@@ -486,12 +484,12 @@ WorkspaceFactoryController.prototype.changeSelectedCategory = function(name,
     colour) {
   var selected = this.model.getSelected();
   // Return if a category is not selected.
-  if (selected.type != ListElement.TYPE_CATEGORY) {
+  if (selected.type !== ListElement.TYPE_CATEGORY) {
     return;
   }
   // Change colour of selected category.
-  selected.changeColor(colour);
-  this.view.setBorderColor(this.model.getSelectedId(), colour);
+  selected.changeColour(colour);
+  this.view.setBorderColour(this.model.getSelectedId(), colour);
   // Change category name.
   selected.changeName(name);
   this.view.updateCategoryName(name, this.model.getSelectedId());
@@ -550,7 +548,8 @@ WorkspaceFactoryController.prototype.loadCategory = function() {
   // Prompt user for the name of the standard category to load.
   do {
     var name = prompt('Enter the name of the category you would like to import '
-        + '(Logic, Loops, Math, Text, Lists, Colour, Variables, or Functions)');
+        + '(Logic, Loops, Math, Text, Lists, Colour, Variables, TypedVariables '
+        + 'or Functions)');
     if (!name) {
       return;  // Exit if cancelled.
     }
@@ -570,12 +569,12 @@ WorkspaceFactoryController.prototype.loadCategoryByName = function(name) {
   if (!this.isStandardCategoryName(name)) {
     return;
   }
-  if (this.model.hasVariables() && name.toLowerCase() == 'variables') {
+  if (this.model.hasVariables() && name.toLowerCase() === 'variables') {
     alert('A Variables category already exists. You cannot create multiple' +
         ' variables categories.');
     return;
   }
-  if (this.model.hasProcedures() && name.toLowerCase() == 'functions') {
+  if (this.model.hasProcedures() && name.toLowerCase() === 'functions') {
     alert('A Functions category already exists. You cannot create multiple' +
         ' functions categories.');
     return;
@@ -587,9 +586,10 @@ WorkspaceFactoryController.prototype.loadCategoryByName = function(name) {
         + '. Rename your category and try again.');
     return;
   }
-  if (!standardCategory.color && standardCategory.hue !== undefined) {
+  if (!standardCategory.colour && standardCategory.hue !== undefined) {
     // Calculate the hex colour based on the hue.
-    standardCategory.color = Blockly.hueToHex(standardCategory.hue);
+    standardCategory.colour = Blockly.utils.colour.hueToHex(
+      standardCategory.hue);
   }
   // Transfers current flyout blocks to a category if it's the first category
   // created.
@@ -605,9 +605,9 @@ WorkspaceFactoryController.prototype.loadCategoryByName = function(name) {
   // Update the copy in the view.
   var tab = this.view.addCategoryRow(copy.name, copy.id);
   this.addClickToSwitch(tab, copy.id);
-  // Color the category tab in the view.
-  if (copy.color) {
-    this.view.setBorderColor(copy.id, copy.color);
+  // Colour the category tab in the view.
+  if (copy.colour) {
+    this.view.setBorderColour(copy.id, copy.colour);
   }
   // Switch to loaded category.
   this.switchElement(copy.id);
@@ -701,8 +701,8 @@ WorkspaceFactoryController.prototype.importFile = function(file, importMode) {
     // Try to parse XML from file and load it into toolbox editing area.
     // Print error message if fail.
     try {
-      var tree = Blockly.Xml.textToDom(reader.result);
-      if (importMode == WorkspaceFactoryController.MODE_TOOLBOX) {
+      var tree = Blockly.utils.xml.textToDom(reader.result);
+      if (importMode === WorkspaceFactoryController.MODE_TOOLBOX) {
         // Switch mode.
         controller.setMode(WorkspaceFactoryController.MODE_TOOLBOX);
 
@@ -722,7 +722,7 @@ WorkspaceFactoryController.prototype.importFile = function(file, importMode) {
         controller.importToolboxFromTree_(tree);
         BlocklyDevTools.Analytics.onImport('Toolbox.xml');
 
-      } else if (importMode == WorkspaceFactoryController.MODE_PRELOAD) {
+      } else if (importMode === WorkspaceFactoryController.MODE_PRELOAD) {
         // Switch mode.
         controller.setMode(WorkspaceFactoryController.MODE_PRELOAD);
 
@@ -770,7 +770,7 @@ WorkspaceFactoryController.prototype.importToolboxFromTree_ = function(tree) {
   this.model.clearToolboxList();
   this.view.clearToolboxTabs();
 
-  if (tree.getElementsByTagName('category').length == 0) {
+  if (tree.getElementsByTagName('category').length === 0) {
     // No categories present.
     // Load all the blocks into a single category evenly spaced.
     Blockly.Xml.domToWorkspace(tree, this.toolboxWorkspace);
@@ -786,7 +786,7 @@ WorkspaceFactoryController.prototype.importToolboxFromTree_ = function(tree) {
     // Categories/separators present.
     for (var i = 0, item; item = tree.children[i]; i++) {
 
-      if (item.tagName == 'category') {
+      if (item.tagName === 'category') {
         // If the element is a category, create a new category and switch to it.
         this.createCategory(item.getAttribute('name'), false);
         var category = this.model.getElementByIndex(i);
@@ -804,10 +804,10 @@ WorkspaceFactoryController.prototype.importToolboxFromTree_ = function(tree) {
         // Convert actual shadow blocks to user-generated shadow blocks.
         this.convertShadowBlocks();
 
-        // Set category color.
+        // Set category colour.
         if (item.getAttribute('colour')) {
-          category.changeColor(item.getAttribute('colour'));
-          this.view.setBorderColor(category.id, category.color);
+          category.changeColour(item.getAttribute('colour'));
+          this.view.setBorderColour(category.id, category.colour);
         }
         // Set any custom tags.
         if (item.getAttribute('custom')) {
@@ -886,7 +886,6 @@ WorkspaceFactoryController.prototype.clearAll = function() {
   if (!confirm(msg)) {
     return;
   }
-  var hasCategories = this.model.hasElements();
   this.model.clearToolboxList();
   this.view.clearToolboxTabs();
   this.model.savePreloadXml(Blockly.utils.xml.createElement('xml'));
@@ -911,14 +910,14 @@ WorkspaceFactoryController.prototype.clearAll = function() {
  */
 WorkspaceFactoryController.prototype.addShadow = function() {
   // No block selected to make a shadow block.
-  if (!Blockly.selected) {
+  if (!Blockly.common.getSelected()) {
     return;
   }
   // Clear any previous warnings on the block (would only have warnings on
   // a non-shadow block if it was nested inside another shadow block).
-  Blockly.selected.setWarningText(null);
+  Blockly.common.getSelected().setWarningText(null);
   // Set selected block and all children as shadow blocks.
-  this.addShadowForBlockAndChildren_(Blockly.selected);
+  this.addShadowForBlockAndChildren_(Blockly.common.getSelected());
 
   // Save and update the preview.
   this.saveStateFromWorkspace();
@@ -956,14 +955,14 @@ WorkspaceFactoryController.prototype.addShadowForBlockAndChildren_ =
  */
 WorkspaceFactoryController.prototype.removeShadow = function() {
   // No block selected to modify.
-  if (!Blockly.selected) {
+  if (!Blockly.common.getSelected()) {
     return;
   }
-  this.model.removeShadowBlock(Blockly.selected.id);
-  this.view.unmarkShadowBlock(Blockly.selected);
+  this.model.removeShadowBlock(Blockly.common.getSelected().id);
+  this.view.unmarkShadowBlock(Blockly.common.getSelected());
 
   // If turning invalid shadow block back to normal block, remove warning.
-  Blockly.selected.setWarningText(null);
+  Blockly.common.getSelected().setWarningText(null);
 
   this.saveStateFromWorkspace();
   this.updatePreview();
@@ -1015,12 +1014,12 @@ WorkspaceFactoryController.prototype.convertShadowBlocks = function() {
  */
 WorkspaceFactoryController.prototype.setMode = function(mode) {
   // No work to change mode that's currently set.
-  if (this.selectedMode == mode) {
+  if (this.selectedMode === mode) {
     return;
   }
 
   // No work to change mode that's currently set.
-  if (this.selectedMode == mode) {
+  if (this.selectedMode === mode) {
     return;
   }
 
@@ -1033,7 +1032,7 @@ WorkspaceFactoryController.prototype.setMode = function(mode) {
   // Update help text above workspace.
   this.view.updateHelpText(mode);
 
-  if (mode == WorkspaceFactoryController.MODE_TOOLBOX) {
+  if (mode === WorkspaceFactoryController.MODE_TOOLBOX) {
     // Open the toolbox editing space.
     this.model.savePreloadXml
         (Blockly.Xml.workspaceToDom(this.toolboxWorkspace));
@@ -1084,7 +1083,7 @@ WorkspaceFactoryController.prototype.setStandardOptionsAndUpdate = function() {
 WorkspaceFactoryController.prototype.generateNewOptions = function() {
   this.model.setOptions(this.readOptions_());
 
-  this.reinjectPreview(Blockly.Options.parseToolboxTree(
+  this.reinjectPreview(Blockly.utils.toolbox.parseToolboxTree(
       this.generator.generateToolboxXml()));
 };
 
@@ -1114,7 +1113,7 @@ WorkspaceFactoryController.prototype.readOptions_ = function() {
     } else {
       var maxBlocksValue =
           document.getElementById('option_maxBlocks_number').value;
-      optionsObj['maxBlocks'] = typeof maxBlocksValue == 'string' ?
+      optionsObj['maxBlocks'] = typeof maxBlocksValue === 'string' ?
           parseInt(maxBlocksValue) : maxBlocksValue;
     }
     optionsObj['trashcan'] =
@@ -1141,10 +1140,10 @@ WorkspaceFactoryController.prototype.readOptions_ = function() {
     var grid = Object.create(null);
     var spacingValue =
         document.getElementById('gridOption_spacing_number').value;
-    grid['spacing'] = typeof spacingValue == 'string' ?
+    grid['spacing'] = typeof spacingValue === 'string' ?
         parseInt(spacingValue) : spacingValue;
     var lengthValue = document.getElementById('gridOption_length_number').value;
-    grid['length'] = typeof lengthValue == 'string' ?
+    grid['length'] = typeof lengthValue === 'string' ?
         parseInt(lengthValue) : lengthValue;
     grid['colour'] = document.getElementById('gridOption_colour_text').value;
     if (!readonly) {
@@ -1163,19 +1162,19 @@ WorkspaceFactoryController.prototype.readOptions_ = function() {
         document.getElementById('zoomOption_wheel_checkbox').checked;
     var startScaleValue =
         document.getElementById('zoomOption_startScale_number').value;
-    zoom['startScale'] = typeof startScaleValue == 'string' ?
+    zoom['startScale'] = typeof startScaleValue === 'string' ?
         Number(startScaleValue) : startScaleValue;
     var maxScaleValue =
         document.getElementById('zoomOption_maxScale_number').value;
-    zoom['maxScale'] = typeof maxScaleValue == 'string' ?
+    zoom['maxScale'] = typeof maxScaleValue === 'string' ?
         Number(maxScaleValue) : maxScaleValue;
     var minScaleValue =
         document.getElementById('zoomOption_minScale_number').value;
-    zoom['minScale'] = typeof minScaleValue == 'string' ?
+    zoom['minScale'] = typeof minScaleValue === 'string' ?
         Number(minScaleValue) : minScaleValue;
     var scaleSpeedValue =
         document.getElementById('zoomOption_scaleSpeed_number').value;
-    zoom['scaleSpeed'] = typeof scaleSpeedValue == 'string' ?
+    zoom['scaleSpeed'] = typeof scaleSpeedValue === 'string' ?
         Number(scaleSpeedValue) : scaleSpeedValue;
     optionsObj['zoom'] = zoom;
   }
@@ -1208,9 +1207,9 @@ WorkspaceFactoryController.prototype.importBlocks = function(file, format) {
       // If an imported block type is already defined, check if the user wants
       // to override the current block definition.
       if (controller.model.hasDefinedBlockTypes(blockTypes)) {
-        var msg = 'An imported block uses the same name as a block '
-          + 'already in your toolbox. Are you sure you want to override the '
-          + 'currently defined block?';
+        var msg = 'An imported block uses the same name as a block ' +
+          'already in your toolbox. Are you sure you want to override the ' +
+          'currently defined block?';
         var continueAnyway = confirm(msg);
         BlocklyDevTools.Analytics.onWarning(msg);
         if (!continueAnyway) {
@@ -1221,8 +1220,8 @@ WorkspaceFactoryController.prototype.importBlocks = function(file, format) {
       var blocks = controller.generator.getDefinedBlocks(blockTypes);
       // Generate category XML and append to toolbox.
       var categoryXml = FactoryUtils.generateCategoryXml(blocks, categoryName);
-      // Get random color for category between 0 and 360. Gives each imported
-      // category a different color.
+      // Get random colour for category between 0 and 360. Gives each imported
+      // category a different colour.
       var randomColor = Math.floor(Math.random() * 360);
       categoryXml.setAttribute('colour', randomColor);
       controller.toolbox.appendChild(categoryXml);
@@ -1234,7 +1233,7 @@ WorkspaceFactoryController.prototype.importBlocks = function(file, format) {
           (Blockly.Xml.workspaceToDom(controller.toolboxWorkspace));
 
       BlocklyDevTools.Analytics.onImport('BlockDefinitions' +
-          (format == 'JSON' ? '.json' : '.js'));
+          (format === 'JSON' ? '.json' : '.js'));
     } catch (e) {
       msg = 'Cannot read blocks from file.';
       alert(msg);
@@ -1250,7 +1249,7 @@ WorkspaceFactoryController.prototype.importBlocks = function(file, format) {
 /**
  * Updates the block library category in the toolbox workspace toolbox.
  * @param {!Element} categoryXml XML for the block library category.
- * @param {!Array.<string>} libBlockTypes Array of block types from the block
+ * @param {!Array<string>} libBlockTypes Array of block types from the block
  *    library.
  */
 WorkspaceFactoryController.prototype.setBlockLibCategory =
@@ -1258,7 +1257,7 @@ WorkspaceFactoryController.prototype.setBlockLibCategory =
   var blockLibCategory = document.getElementById('blockLibCategory');
 
   // Set category ID so that it can be easily replaced, and set a standard,
-  // arbitrary block library color.
+  // arbitrary block library colour.
   categoryXml.id = 'blockLibCategory';
   categoryXml.setAttribute('colour', 260);
 
@@ -1277,7 +1276,7 @@ WorkspaceFactoryController.prototype.setBlockLibCategory =
 
 /**
  * Return the block types used in the custom toolbox and pre-loaded workspace.
- * @return {!Array.<string>} Block types used in the custom toolbox and
+ * @return {!Array<string>} Block types used in the custom toolbox and
  *    pre-loaded workspace.
  */
 WorkspaceFactoryController.prototype.getAllUsedBlockTypes = function() {
diff --git a/demos/blockfactory/workspacefactory/wfactory_generator.js b/demos/blockfactory/workspacefactory/wfactory_generator.js
index 8f1f2756caf..ca1a47b090e 100644
--- a/demos/blockfactory/workspacefactory/wfactory_generator.js
+++ b/demos/blockfactory/workspacefactory/wfactory_generator.js
@@ -10,8 +10,6 @@
  * Blockly.Xml and depends on information in the model (holds a reference).
  * Depends on a hidden workspace created in the generator to load saved XML in
  * order to generate toolbox XML.
- *
- * @author Emma Dauterman (evd2014)
  */
 
 
@@ -26,7 +24,7 @@ WorkspaceFactoryGenerator = function(model) {
   var hiddenBlocks = document.createElement('div');
   // Generate a globally unique ID for the hidden div element to avoid
   // collisions.
-  var hiddenBlocksId = Blockly.utils.genUid();
+  var hiddenBlocksId = Blockly.utils.idGenerator.genUid();
   hiddenBlocks.id = hiddenBlocksId;
   hiddenBlocks.style.display = 'none';
   document.body.appendChild(hiddenBlocks);
@@ -55,7 +53,7 @@ WorkspaceFactoryGenerator.prototype.generateToolboxXml = function() {
     this.appendHiddenWorkspaceToDom_(xmlDom);
   } else {
     // Toolbox has categories.
-    // Assert that selected != null
+    // Assert that selected !== null
     if (!this.model.getSelected()) {
       throw Error('Selected is null when the toolbox is empty.');
     }
@@ -69,19 +67,19 @@ WorkspaceFactoryGenerator.prototype.generateToolboxXml = function() {
     // groups in the flyout.
     for (var i = 0; i < toolboxList.length; i++) {
       var element = toolboxList[i];
-      if (element.type == ListElement.TYPE_SEPARATOR) {
+      if (element.type === ListElement.TYPE_SEPARATOR) {
         // If the next element is a separator.
         var nextElement = Blockly.utils.xml.createElement('sep');
-      } else if (element.type == ListElement.TYPE_CATEGORY) {
+      } else if (element.type === ListElement.TYPE_CATEGORY) {
         // If the next element is a category.
         var nextElement = Blockly.utils.xml.createElement('category');
         nextElement.setAttribute('name', element.name);
         // Add a colour attribute if one exists.
-        if (element.color != null) {
-          nextElement.setAttribute('colour', element.color);
+        if (element.colour !== null) {
+          nextElement.setAttribute('colour', element.colour);
         }
         // Add a custom attribute if one exists.
-        if (element.custom != null) {
+        if (element.custom !== null) {
           nextElement.setAttribute('custom', element.custom);
         }
         // Load that category to hidden workspace, setting user-generated shadow
@@ -129,10 +127,10 @@ WorkspaceFactoryGenerator.prototype.generateInjectString = function() {
     }
     var str = '';
     for (var key in obj) {
-      if (key == 'grid' || key == 'zoom') {
+      if (key === 'grid' || key === 'zoom') {
         var temp = tabChar + key + ' : {\n' + addAttributes(obj[key],
             tabChar + '\t') + tabChar + '}, \n';
-      } else if (typeof obj[key] == 'string') {
+      } else if (typeof obj[key] === 'string') {
         var temp = tabChar + key + ' : \'' + obj[key] + '\', \n';
       } else {
         var temp = tabChar + key + ' : ' + obj[key] + ', \n';
@@ -212,8 +210,8 @@ WorkspaceFactoryGenerator.prototype.setShadowBlocksInHiddenWorkspace_ =
 /**
  * Given a set of block types, gets the Blockly.Block objects for each block
  * type.
- * @param {!Array.<!Element>} blockTypes Array of blocks that have been defined.
- * @return {!Array.<!Blockly.Block>} Array of Blockly.Block objects corresponding
+ * @param {!Array<!Element>} blockTypes Array of blocks that have been defined.
+ * @return {!Array<!Blockly.Block>} Array of Blockly.Block objects corresponding
  *    to the array of blockTypes.
  */
 WorkspaceFactoryGenerator.prototype.getDefinedBlocks = function(blockTypes) {
diff --git a/demos/blockfactory/workspacefactory/wfactory_init.js b/demos/blockfactory/workspacefactory/wfactory_init.js
index 789f7314c06..352c1d220d7 100644
--- a/demos/blockfactory/workspacefactory/wfactory_init.js
+++ b/demos/blockfactory/workspacefactory/wfactory_init.js
@@ -9,8 +9,6 @@
  * Adds click handlers to buttons and dropdowns, adds event listeners for
  * keydown events and Blockly events, and configures the initial setup of
  * the page.
- *
- * @author Emma Dauterman (evd2014)
  */
 
 /**
@@ -52,7 +50,7 @@ WorkspaceFactoryInit.initColourPicker_ = function(controller) {
   // Convert hue numbers to RRGGBB strings.
   for (var i = 0; i < colours.length; i++) {
     if (colours[i] !== '') {
-      colours[i] = Blockly.hueToHex(colours[i]).substring(1);
+      colours[i] = Blockly.utils.colour.hueToHex(colours[i]).substring(1);
     }
   }
   // Convert to 2D array.
@@ -61,7 +59,7 @@ WorkspaceFactoryInit.initColourPicker_ = function(controller) {
   var row = [];
   for (var i = 0; i < colours.length; i++) {
     row.push(colours[i]);
-    if (row.length == maxCols) {
+    if (row.length === maxCols) {
       grid.push(row);
       row = [];
     }
@@ -235,12 +233,12 @@ WorkspaceFactoryInit.assignWorkspaceFactoryClickHandlers_ =
       function() {
         var selected = controller.model.getSelected();
         // Return if a category is not selected.
-        if (selected.type != ListElement.TYPE_CATEGORY) {
+        if (selected.type !== ListElement.TYPE_CATEGORY) {
           return;
         }
         document.getElementById('categoryName').value = selected.name;
-        document.getElementById('categoryColour').value = selected.color ?
-            selected.color.substring(1).toLowerCase() : '';
+        document.getElementById('categoryColour').value = selected.colour ?
+            selected.colour.substring(1).toLowerCase() : '';
         console.log(document.getElementById('categoryColour').value);
         // Link the colour picker to the field.
         cp_init('categoryColour');
@@ -274,7 +272,7 @@ WorkspaceFactoryInit.assignWorkspaceFactoryClickHandlers_ =
 
         // Disable shadow editing button if turning invalid shadow block back
         // to normal block.
-        if (!Blockly.selected.getSurroundParent()) {
+        if (!Blockly.common.getSelected().getSurroundParent()) {
           document.getElementById('button_addShadow').disabled = true;
         }
       });
@@ -304,14 +302,14 @@ WorkspaceFactoryInit.addWorkspaceFactoryEventListeners_ = function(controller) {
     // Don't let arrow keys have any effect if not in Workspace Factory
     // editing the toolbox.
     if (!(controller.keyEventsEnabled && controller.selectedMode
-        == WorkspaceFactoryController.MODE_TOOLBOX)) {
+        === WorkspaceFactoryController.MODE_TOOLBOX)) {
       return;
     }
 
-    if (e.keyCode == 38) {
+    if (e.keyCode === 38) {
       // Arrow up.
       controller.moveElement(-1);
-    } else if (e.keyCode == 40) {
+    } else if (e.keyCode === 40) {
       // Arrow down.
       controller.moveElement(1);
     }
@@ -334,9 +332,9 @@ WorkspaceFactoryInit.addWorkspaceFactoryEventListeners_ = function(controller) {
     // Not listening for Blockly create events because causes the user to drop
     // blocks when dragging them into workspace. Could cause problems if ever
     // load blocks into workspace directly without calling updatePreview.
-    if (e.type == Blockly.Events.BLOCK_MOVE ||
-          e.type == Blockly.Events.BLOCK_DELETE ||
-          e.type == Blockly.Events.BLOCK_CHANGE) {
+    if (e.type === Blockly.Events.BLOCK_MOVE ||
+          e.type === Blockly.Events.BLOCK_DELETE ||
+          e.type === Blockly.Events.BLOCK_CHANGE) {
       controller.saveStateFromWorkspace();
       controller.updatePreview();
     }
@@ -345,9 +343,9 @@ WorkspaceFactoryInit.addWorkspaceFactoryEventListeners_ = function(controller) {
     // Only enable "Edit Block" when a block is selected and it has a
     // surrounding parent, meaning it is nested in another block (blocks that
     // are not nested in parents cannot be shadow blocks).
-    if (e.type == Blockly.Events.BLOCK_MOVE || (e.type == Blockly.Events.UI &&
-        e.element == 'selected')) {
-      var selected = Blockly.selected;
+    if (e.type === Blockly.Events.BLOCK_MOVE ||
+        e.type === Blockly.Events.SELECTED) {
+      var selected = Blockly.common.getSelected();
 
       // Show shadow button if a block is selected. Show "Add Shadow" if
       // a block is not a shadow block, show "Remove Shadow" if it is a
@@ -361,7 +359,7 @@ WorkspaceFactoryInit.addWorkspaceFactoryEventListeners_ = function(controller) {
         WorkspaceFactoryInit.displayRemoveShadow_(false);
       }
 
-      if (selected != null && selected.getSurroundParent() != null &&
+      if (selected !== null && selected.getSurroundParent() !== null &&
           !controller.isUserGenShadowBlock(selected.getSurroundParent().id)) {
         // Selected block is a valid shadow block or could be a valid shadow
         // block.
@@ -378,7 +376,7 @@ WorkspaceFactoryInit.addWorkspaceFactoryEventListeners_ = function(controller) {
       } else {
         // Selected block cannot be a valid shadow block.
 
-        if (selected != null && isInvalidBlockPlacement(selected)) {
+        if (selected !== null && isInvalidBlockPlacement(selected)) {
           // Selected block breaks shadow block rules.
           // Invalid shadow block if (1) a shadow block no longer has a valid
           // parent, or (2) a normal block is inside of a shadow block.
@@ -403,7 +401,7 @@ WorkspaceFactoryInit.addWorkspaceFactoryEventListeners_ = function(controller) {
           // be a shadow block.
 
           // Remove possible 'invalid shadow block placement' warning.
-          if (selected != null && controller.isDefinedBlock(selected) &&
+          if (selected !== null && controller.isDefinedBlock(selected) &&
               (!FactoryUtils.hasVariableField(selected) ||
               !controller.isUserGenShadowBlock(selected.id))) {
             selected.setWarningText(null);
@@ -419,7 +417,7 @@ WorkspaceFactoryInit.addWorkspaceFactoryEventListeners_ = function(controller) {
 
     // Convert actual shadow blocks added from the toolbox to user-generated
     // shadow blocks.
-    if (e.type == Blockly.Events.BLOCK_CREATE) {
+    if (e.type === Blockly.Events.BLOCK_CREATE) {
       controller.convertShadowBlocks();
 
       // Let the user create a Variables or Functions category if they use
diff --git a/demos/blockfactory/workspacefactory/wfactory_model.js b/demos/blockfactory/workspacefactory/wfactory_model.js
index f5048bc43c7..b0e1ab9d4f3 100644
--- a/demos/blockfactory/workspacefactory/wfactory_model.js
+++ b/demos/blockfactory/workspacefactory/wfactory_model.js
@@ -7,13 +7,11 @@
 /**
  * @fileoverview Stores and updates information about state and categories
  * in workspace factory. Each list element is either a separator or a category,
- * and each category stores its name, XML to load that category, color,
+ * and each category stores its name, XML to load that category, colour,
  * custom tags, and a unique ID making it possible to change category names and
  * move categories easily. Keeps track of the currently selected list
  * element. Also keeps track of all the user-created shadow blocks and
  * manipulates them as necessary.
- *
- * @author Emma Dauterman (evd2014)
  */
 
 /**
@@ -54,8 +52,8 @@ WorkspaceFactoryModel = function() {
  */
 WorkspaceFactoryModel.prototype.hasCategoryByName = function(name) {
   for (var i = 0; i < this.toolboxList.length; i++) {
-    if (this.toolboxList[i].type == ListElement.TYPE_CATEGORY &&
-        this.toolboxList[i].name == name) {
+    if (this.toolboxList[i].type === ListElement.TYPE_CATEGORY &&
+        this.toolboxList[i].name === name) {
       return true;
     }
   }
@@ -95,9 +93,9 @@ WorkspaceFactoryModel.prototype.hasElements = function() {
  */
 WorkspaceFactoryModel.prototype.addElementToList = function(element) {
   // Update state if the copied category has a custom tag.
-  this.hasVariableCategory = element.custom == 'VARIABLE' ? true :
+  this.hasVariableCategory = element.custom === 'VARIABLE' ? true :
       this.hasVariableCategory;
-  this.hasProcedureCategory = element.custom == 'PROCEDURE' ? true :
+  this.hasProcedureCategory = element.custom === 'PROCEDURE' ? true :
       this.hasProcedureCategory;
   // Add element to toolboxList.
   this.toolboxList.push(element);
@@ -115,9 +113,9 @@ WorkspaceFactoryModel.prototype.deleteElementFromList = function(index) {
     return; // No entry to delete.
   }
   // Check if need to update flags.
-  this.hasVariableCategory = this.toolboxList[index].custom == 'VARIABLE' ?
+  this.hasVariableCategory = this.toolboxList[index].custom === 'VARIABLE' ?
       false : this.hasVariableCategory;
-  this.hasProcedureCategory = this.toolboxList[index].custom == 'PROCEDURE' ?
+  this.hasProcedureCategory = this.toolboxList[index].custom === 'PROCEDURE' ?
       false : this.hasProcedureCategory;
   // Remove element.
   this.toolboxList.splice(index, 1);
@@ -130,7 +128,7 @@ WorkspaceFactoryModel.prototype.deleteElementFromList = function(index) {
  * of blocks displayed.
  */
 WorkspaceFactoryModel.prototype.createDefaultSelectedIfEmpty = function() {
-  if (this.toolboxList.length == 0) {
+  if (this.toolboxList.length === 0) {
     this.flyout = new ListElement(ListElement.TYPE_FLYOUT);
     this.selected = this.flyout;
   }
@@ -158,7 +156,7 @@ WorkspaceFactoryModel.prototype.moveElementToIndex = function(element, newIndex,
 
 /**
  * Returns the ID of the currently selected element. Returns null if there are
- * no categories (if selected == null).
+ * no categories (if selected === null).
  * @return {string} The ID of the element currently selected.
  */
 WorkspaceFactoryModel.prototype.getSelectedId = function() {
@@ -167,7 +165,7 @@ WorkspaceFactoryModel.prototype.getSelectedId = function() {
 
 /**
  * Returns the name of the currently selected category. Returns null if there
- * are no categories (if selected == null) or the selected element is not
+ * are no categories (if selected === null) or the selected element is not
  * a category (in which case its name is null).
  * @return {string} The name of the category currently selected.
  */
@@ -200,7 +198,7 @@ WorkspaceFactoryModel.prototype.setSelectedById = function(id) {
  */
 WorkspaceFactoryModel.prototype.getIndexByElementId = function(id) {
   for (var i = 0; i < this.toolboxList.length; i++) {
-    if (this.toolboxList[i].id == id) {
+    if (this.toolboxList[i].id === id) {
       return i;
     }
   }
@@ -215,7 +213,7 @@ WorkspaceFactoryModel.prototype.getIndexByElementId = function(id) {
  */
 WorkspaceFactoryModel.prototype.getElementById = function(id) {
   for (var i = 0; i < this.toolboxList.length; i++) {
-    if (this.toolboxList[i].id == id) {
+    if (this.toolboxList[i].id === id) {
       return this.toolboxList[i];
     }
   }
@@ -246,7 +244,7 @@ WorkspaceFactoryModel.prototype.getSelectedXml = function() {
 
 /**
  * Return ordered list of ListElement objects.
- * @return {!Array.<!ListElement>} ordered list of ListElement objects
+ * @return {!Array<!ListElement>} ordered list of ListElement objects
  */
 WorkspaceFactoryModel.prototype.getToolboxList = function() {
   return this.toolboxList;
@@ -259,7 +257,7 @@ WorkspaceFactoryModel.prototype.getToolboxList = function() {
  */
 WorkspaceFactoryModel.prototype.getCategoryIdByName = function(name) {
   for (var i = 0; i < this.toolboxList.length; i++) {
-    if (this.toolboxList[i].name == name) {
+    if (this.toolboxList[i].name === name) {
       return this.toolboxList[i].id;
     }
   }
@@ -293,7 +291,7 @@ WorkspaceFactoryModel.prototype.addShadowBlock = function(blockId) {
  */
 WorkspaceFactoryModel.prototype.removeShadowBlock = function(blockId) {
   for (var i = 0; i < this.shadowBlocks.length; i++) {
-    if (this.shadowBlocks[i] == blockId) {
+    if (this.shadowBlocks[i] === blockId) {
       this.shadowBlocks.splice(i, 1);
       return;
     }
@@ -308,7 +306,7 @@ WorkspaceFactoryModel.prototype.removeShadowBlock = function(blockId) {
  */
 WorkspaceFactoryModel.prototype.isShadowBlock = function(blockId) {
   for (var i = 0; i < this.shadowBlocks.length; i++) {
-    if (this.shadowBlocks[i] == blockId) {
+    if (this.shadowBlocks[i] === blockId) {
       return true;
     }
   }
@@ -341,14 +339,14 @@ WorkspaceFactoryModel.prototype.getShadowBlocksInWorkspace =
  */
 WorkspaceFactoryModel.prototype.addCustomTag = function(category, tag) {
   // Only update list elements that are categories.
-  if (category.type != ListElement.TYPE_CATEGORY) {
+  if (category.type !== ListElement.TYPE_CATEGORY) {
     return;
   }
   // Only update the tag to be 'VARIABLE' or 'PROCEDURE'.
-  if (tag == 'VARIABLE') {
+  if (tag === 'VARIABLE') {
     this.hasVariableCategory = true;
     category.custom = 'VARIABLE';
-  } else if (tag == 'PROCEDURE') {
+  } else if (tag === 'PROCEDURE') {
     this.hasProcedureCategory = true;
     category.custom = 'PROCEDURE';
   }
@@ -360,7 +358,7 @@ WorkspaceFactoryModel.prototype.addCustomTag = function(category, tag) {
  * @param {!Element} xml The XML to be saved.
  */
 WorkspaceFactoryModel.prototype.savePreloadXml = function(xml) {
-  this.preloadXml = xml
+  this.preloadXml = xml;
 };
 
 /**
@@ -383,7 +381,7 @@ WorkspaceFactoryModel.prototype.setOptions = function(options) {
  * Returns an array of all the block types currently being used in the toolbox
  * and the pre-loaded blocks. No duplicates.
  * TODO(evd2014): Move pushBlockTypesToList to FactoryUtils.
- * @return {!Array.<string>} Array of block types currently being used.
+ * @return {!Array<string>} Array of block types currently being used.
  */
 WorkspaceFactoryModel.prototype.getAllUsedBlockTypes = function() {
   var blockTypeList = [];
@@ -397,7 +395,7 @@ WorkspaceFactoryModel.prototype.getAllUsedBlockTypes = function() {
     // Add block types if not already in list.
     for (var i = 0; i < blocks.length; i++) {
       var type = blocks[i].getAttribute('type');
-      if (list.indexOf(type) == -1) {
+      if (!list.includes(type)) {
         list.push(type);
       }
     }
@@ -410,7 +408,7 @@ WorkspaceFactoryModel.prototype.getAllUsedBlockTypes = function() {
     // If has categories, add block types for each category.
 
     for (var i = 0, category; category = this.toolboxList[i]; i++) {
-      if (category.type == ListElement.TYPE_CATEGORY) {
+      if (category.type === ListElement.TYPE_CATEGORY) {
         pushBlockTypesToList(category.xml, blockTypeList);
       }
     }
@@ -424,7 +422,7 @@ WorkspaceFactoryModel.prototype.getAllUsedBlockTypes = function() {
 
 /**
  * Adds new imported block types to the list of current imported block types.
- * @param {!Array.<string>} blockTypes Array of block types imported.
+ * @param {!Array<string>} blockTypes Array of block types imported.
  */
 WorkspaceFactoryModel.prototype.addImportedBlockTypes = function(blockTypes) {
   this.importedBlockTypes = this.importedBlockTypes.concat(blockTypes);
@@ -432,7 +430,7 @@ WorkspaceFactoryModel.prototype.addImportedBlockTypes = function(blockTypes) {
 
 /**
  * Updates block types in block library.
- * @param {!Array.<string>} blockTypes Array of block types in block library.
+ * @param {!Array<string>} blockTypes Array of block types in block library.
  */
 WorkspaceFactoryModel.prototype.updateLibBlockTypes = function(blockTypes) {
   this.libBlockTypes = blockTypes;
@@ -445,16 +443,16 @@ WorkspaceFactoryModel.prototype.updateLibBlockTypes = function(blockTypes) {
  * @return {boolean} True if blockType is defined, false otherwise.
  */
 WorkspaceFactoryModel.prototype.isDefinedBlockType = function(blockType) {
-  var isStandardBlock = StandardCategories.coreBlockTypes.indexOf(blockType)
-      != -1;
-  var isLibBlock = this.libBlockTypes.indexOf(blockType) != -1;
-  var isImportedBlock = this.importedBlockTypes.indexOf(blockType) != -1;
+  var isStandardBlock =
+      StandardCategories.coreBlockTypes.includes(blockType);
+  var isLibBlock = this.libBlockTypes.includes(blockType);
+  var isImportedBlock = this.importedBlockTypes.includes(blockType);
   return (isStandardBlock || isLibBlock || isImportedBlock);
 };
 
 /**
  * Checks if any of the block types are already defined.
- * @param {!Array.<string>} blockTypes Array of block types.
+ * @param {!Array<string>} blockTypes Array of block types.
  * @return {boolean} True if a block type in the array is already defined,
  *    false if none of the blocks are already defined.
  */
@@ -478,9 +476,9 @@ ListElement = function(type, opt_name) {
   // Name of category. Can be changed by user. Null if separator.
   this.name = opt_name ? opt_name : null;
   // Unique ID of element. Does not change.
-  this.id = Blockly.utils.genUid();
-  // Color of category. Default is no color. Null if separator.
-  this.color = null;
+  this.id = Blockly.utils.idGenerator.genUid();
+  // Colour of category. Default is no colour. Null if separator.
+  this.colour = null;
   // Stores a custom tag, if necessary. Null if no custom tag or separator.
   this.custom = null;
 };
@@ -498,8 +496,8 @@ ListElement.TYPE_FLYOUT = 'flyout';
  */
 ListElement.prototype.saveFromWorkspace = function(workspace) {
   // Only save XML for categories and flyouts.
-  if (this.type == ListElement.TYPE_FLYOUT ||
-      this.type == ListElement.TYPE_CATEGORY) {
+  if (this.type === ListElement.TYPE_FLYOUT ||
+      this.type === ListElement.TYPE_CATEGORY) {
     this.xml = Blockly.Xml.workspaceToDom(workspace);
   }
 };
@@ -510,25 +508,25 @@ ListElement.prototype.saveFromWorkspace = function(workspace) {
  * not a category.
  * @param {string} name New name of category.
  */
-ListElement.prototype.changeName = function (name) {
+ListElement.prototype.changeName = function(name) {
   // Only update list elements that are categories.
-  if (this.type != ListElement.TYPE_CATEGORY) {
+  if (this.type !== ListElement.TYPE_CATEGORY) {
     return;
   }
   this.name = name;
 };
 
 /**
- * Sets the color of a category. If tries to set the color of something other
+ * Sets the colour of a category. If tries to set the colour of something other
  * than a category, returns.
- * @param {?string} color The color that should be used for that category,
+ * @param {?string} colour The colour that should be used for that category,
  *     or null if none.
  */
-ListElement.prototype.changeColor = function (color) {
-  if (this.type != ListElement.TYPE_CATEGORY) {
+ListElement.prototype.changeColour = function(colour) {
+  if (this.type !== ListElement.TYPE_CATEGORY) {
     return;
   }
-  this.color = color;
+  this.colour = colour;
 };
 
 /**
@@ -539,11 +537,11 @@ ListElement.prototype.changeColor = function (color) {
 ListElement.prototype.copy = function() {
   copy = new ListElement(this.type);
   // Generate a unique ID for the element.
-  copy.id = Blockly.utils.genUid();
+  copy.id = Blockly.utils.idGenerator.genUid();
   // Copy all attributes except ID.
   copy.name = this.name;
   copy.xml = this.xml;
-  copy.color = this.color;
+  copy.colour = this.colour;
   copy.custom = this.custom;
   // Return copy.
   return copy;
diff --git a/demos/blockfactory/workspacefactory/wfactory_view.js b/demos/blockfactory/workspacefactory/wfactory_view.js
index 99922395ffa..f98b1353049 100644
--- a/demos/blockfactory/workspacefactory/wfactory_view.js
+++ b/demos/blockfactory/workspacefactory/wfactory_view.js
@@ -10,8 +10,6 @@
  * Depends on WorkspaceFactoryController (for adding mouse listeners). Tabs for
  * each category are stored in tab map, which associates a unique ID for a
  * category with a particular tab.
- *
- * @author Emma Dauterman (edauterman)
  */
 
 
@@ -35,7 +33,7 @@ WorkspaceFactoryView.prototype.addCategoryRow = function(name, id) {
   var count = table.rows.length;
 
   // Delete help label and enable category buttons if it's the first category.
-  if (count == 0) {
+  if (count === 0) {
     document.getElementById('categoryHeader').textContent = 'Your categories:';
   }
 
@@ -95,7 +93,7 @@ WorkspaceFactoryView.prototype.addEmptyCategoryMessage = function() {
 WorkspaceFactoryView.prototype.updateState = function(selectedIndex, selected) {
   // Disable/enable editing buttons as necessary.
   document.getElementById('button_editCategory').disabled = selectedIndex < 0 ||
-      selected.type != ListElement.TYPE_CATEGORY;
+      selected.type !== ListElement.TYPE_CATEGORY;
   document.getElementById('button_remove').disabled = selectedIndex < 0;
   document.getElementById('button_up').disabled = selectedIndex <= 0;
   var table = document.getElementById('categoryTable');
@@ -123,7 +121,7 @@ WorkspaceFactoryView.prototype.createCategoryIdName = function(name) {
 WorkspaceFactoryView.prototype.setCategoryTabSelection =
     function(id, selected) {
   if (!this.tabMap[id]) {
-    return;   // Exit if tab does not exist.
+    return;  // Exit if tab does not exist.
   }
   this.tabMap[id].className = selected ? 'tabon' : 'taboff';
 };
@@ -135,7 +133,7 @@ WorkspaceFactoryView.prototype.setCategoryTabSelection =
  * @param {!Function} func Function to be executed on click.
  */
 WorkspaceFactoryView.prototype.bindClick = function(el, func) {
-  if (typeof el == 'string') {
+  if (typeof el === 'string') {
     el = document.getElementById(el);
   }
   el.addEventListener('click', func, true);
@@ -145,8 +143,8 @@ WorkspaceFactoryView.prototype.bindClick = function(el, func) {
 /**
  * Creates a file and downloads it. In some browsers downloads, and in other
  * browsers, opens new tab with contents.
- * @param {string} filename Name of file
- * @param {!Blob} data Blob containing contents to download
+ * @param {string} filename Name of file.
+ * @param {!Blob} data Blob containing contents to download.
  */
 WorkspaceFactoryView.prototype.createAndDownloadFile =
     function(filename, data) {
@@ -165,8 +163,8 @@ WorkspaceFactoryView.prototype.createAndDownloadFile =
 /**
  * Given the ID of a certain category, updates the corresponding tab in
  * the DOM to show a new name.
- * @param {string} newName Name of string to be displayed on tab
- * @param {string} id ID of category to be updated
+ * @param {string} newName Name of string to be displayed on tab.
+ * @param {string} id ID of category to be updated.
  */
 WorkspaceFactoryView.prototype.updateCategoryName = function(newName, id) {
   this.tabMap[id].textContent = newName;
@@ -204,13 +202,13 @@ WorkspaceFactoryView.prototype.moveTabToIndex =
 };
 
 /**
- * Given a category ID and color, use that color to color the left border of the
- * tab for that category.
- * @param {string} id The ID of the category to color.
+ * Given a category ID and colour, use that colour to colour the left border of
+ * the tab for that category.
+ * @param {string} id The ID of the category to colour.
  * @param {?string} colour The colour for to be used for the border of the tab,
  *   or null if none.  Must be a valid CSS string.
  */
-WorkspaceFactoryView.prototype.setBorderColor = function(id, colour) {
+WorkspaceFactoryView.prototype.setBorderColour = function(id, colour) {
   var style = this.tabMap[id].style;
   if (colour) {
     style.borderLeftWidth = '8px';
@@ -233,7 +231,7 @@ WorkspaceFactoryView.prototype.addSeparatorTab = function(id) {
   var table = document.getElementById('categoryTable');
   var count = table.rows.length;
 
-  if (count == 0) {
+  if (count === 0) {
     document.getElementById('categoryHeader').textContent = 'Your categories:';
   }
   // Create separator.
@@ -271,9 +269,9 @@ WorkspaceFactoryView.prototype.disableWorkspace = function(disable) {
  * @return {boolean} True if the workspace should be disabled, false otherwise.
  */
 WorkspaceFactoryView.prototype.shouldDisableWorkspace = function(category) {
-  return category != null && category.type != ListElement.TYPE_FLYOUT &&
-      (category.type == ListElement.TYPE_SEPARATOR ||
-      category.custom == 'VARIABLE' || category.custom == 'PROCEDURE');
+  return category !== null && category.type !== ListElement.TYPE_FLYOUT &&
+      (category.type === ListElement.TYPE_SEPARATOR ||
+      category.custom === 'VARIABLE' || category.custom === 'PROCEDURE');
 };
 
 /**
@@ -294,7 +292,7 @@ WorkspaceFactoryView.prototype.clearToolboxTabs = function() {
  * Given a set of blocks currently loaded user-generated shadow blocks, visually
  * marks them without making them actual shadow blocks (allowing them to still
  * be editable and movable).
- * @param {!Array.<!Blockly.Block>} blocks Array of user-generated shadow blocks
+ * @param {!Array<!Blockly.Block>} blocks Array of user-generated shadow blocks
  * currently loaded.
  */
 WorkspaceFactoryView.prototype.markShadowBlocks = function(blocks) {
@@ -312,7 +310,7 @@ WorkspaceFactoryView.prototype.markShadowBlocks = function(blocks) {
  */
 WorkspaceFactoryView.prototype.markShadowBlock = function(block) {
   // Add Blockly CSS for user-generated shadow blocks.
-  Blockly.utils.dom.addClass(block.svgGroup_, 'shadowBlock');
+  block.getSvgRoot().classList.add('shadowBlock');
   // If not a valid shadow block, add a warning message.
   if (!block.getSurroundParent()) {
       block.setWarningText('Shadow blocks must be nested inside' +
@@ -330,23 +328,23 @@ WorkspaceFactoryView.prototype.markShadowBlock = function(block) {
  */
 WorkspaceFactoryView.prototype.unmarkShadowBlock = function(block) {
   // Remove Blockly CSS for user-generated shadow blocks.
-  Blockly.utils.dom.removeClass(block.svgGroup_, 'shadowBlock');
+  block.getSvgRoot().classList.remove('shadowBlock');
 };
 
 /**
- * Sets the tabs for modes according to which mode the user is currenly
+ * Sets the tabs for modes according to which mode the user is currently
  * editing in.
  * @param {string} mode The mode being switched to
  *   (WorkspaceFactoryController.MODE_TOOLBOX or WorkspaceFactoryController.MODE_PRELOAD).
  */
 WorkspaceFactoryView.prototype.setModeSelection = function(mode) {
-  document.getElementById('tab_preload').className = mode ==
+  document.getElementById('tab_preload').className = mode ===
       WorkspaceFactoryController.MODE_PRELOAD ? 'tabon' : 'taboff';
-  document.getElementById('preload_div').style.display = mode ==
+  document.getElementById('preload_div').style.display = mode ===
       WorkspaceFactoryController.MODE_PRELOAD ? 'block' : 'none';
-  document.getElementById('tab_toolbox').className = mode ==
+  document.getElementById('tab_toolbox').className = mode ===
       WorkspaceFactoryController.MODE_TOOLBOX ? 'tabon' : 'taboff';
-  document.getElementById('toolbox_div').style.display = mode ==
+  document.getElementById('toolbox_div').style.display = mode ===
       WorkspaceFactoryController.MODE_TOOLBOX ? 'block' : 'none';
 };
 
@@ -356,7 +354,7 @@ WorkspaceFactoryView.prototype.setModeSelection = function(mode) {
  *   WorkspaceFactoryController.MODE_PRELOAD).
  */
 WorkspaceFactoryView.prototype.updateHelpText = function(mode) {
-  if (mode == WorkspaceFactoryController.MODE_TOOLBOX) {
+  if (mode === WorkspaceFactoryController.MODE_TOOLBOX) {
     var helpText = 'Drag blocks into the workspace to configure the toolbox ' +
         'in your custom workspace.';
   } else {
@@ -388,8 +386,7 @@ WorkspaceFactoryView.prototype.setBaseOptions = function() {
 
   // Check infinite blocks and hide suboption.
   document.getElementById('option_infiniteBlocks_checkbox').checked = true;
-  document.getElementById('maxBlockNumber_option').style.display =
-      'none';
+  document.getElementById('maxBlockNumber_option').style.display = 'none';
 
   // Uncheck grid and zoom options and hide suboptions.
   document.getElementById('option_grid_checkbox').checked = false;
diff --git a/demos/blockfactory_old/blocks.js b/demos/blockfactory_old/blocks.js
deleted file mode 100644
index 467eca2af6e..00000000000
--- a/demos/blockfactory_old/blocks.js
+++ /dev/null
@@ -1,795 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Blocks for Blockly's Block Factory application.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-Blockly.Blocks['factory_base'] = {
-  // Base of new block.
-  init: function() {
-    this.setColour(120);
-    this.appendDummyInput()
-        .appendField('name')
-        .appendField(new Blockly.FieldTextInput('block_type'), 'NAME');
-    this.appendStatementInput('INPUTS')
-        .setCheck('Input')
-        .appendField('inputs');
-    var dropdown = new Blockly.FieldDropdown([
-        ['automatic inputs', 'AUTO'],
-        ['external inputs', 'EXT'],
-        ['inline inputs', 'INT']]);
-    this.appendDummyInput()
-        .appendField(dropdown, 'INLINE');
-    dropdown = new Blockly.FieldDropdown([
-        ['no connections', 'NONE'],
-        ['← left output', 'LEFT'],
-        ['↕ top+bottom connections', 'BOTH'],
-        ['↑ top connection', 'TOP'],
-        ['↓ bottom connection', 'BOTTOM']],
-        function(option) {
-          this.sourceBlock_.updateShape_(option);
-          // Connect a shadow block to this new input.
-          this.sourceBlock_.spawnOutputShadow_(option);
-        });
-    this.appendDummyInput()
-        .appendField(dropdown, 'CONNECTIONS');
-    this.appendValueInput('COLOUR')
-        .setCheck('Colour')
-        .appendField('colour');
-    this.setTooltip('Build a custom block by plugging\n' +
-        'fields, inputs and other blocks here.');
-    this.setHelpUrl(
-        'https://developers.google.com/blockly/guides/create-custom-blocks/block-factory');
-  },
-  mutationToDom: function() {
-    var container = Blockly.utils.xml.createElement('mutation');
-    container.setAttribute('connections', this.getFieldValue('CONNECTIONS'));
-    return container;
-  },
-  domToMutation: function(xmlElement) {
-    var connections = xmlElement.getAttribute('connections');
-    this.updateShape_(connections);
-  },
-  spawnOutputShadow_: function(option) {
-    // Helper method for deciding which type of outputs this block needs
-    // to attach shadow blocks to.
-    switch (option) {
-      case 'LEFT':
-        this.connectOutputShadow_('OUTPUTTYPE');
-        break;
-      case 'TOP':
-        this.connectOutputShadow_('TOPTYPE');
-        break;
-      case 'BOTTOM':
-        this.connectOutputShadow_('BOTTOMTYPE');
-        break;
-      case 'BOTH':
-        this.connectOutputShadow_('TOPTYPE');
-        this.connectOutputShadow_('BOTTOMTYPE');
-        break;
-    }
-  },
-  connectOutputShadow_: function(outputType) {
-    // Helper method to create & connect shadow block.
-    var type = this.workspace.newBlock('type_null');
-    type.setShadow(true);
-    type.outputConnection.connect(this.getInput(outputType).connection);
-    type.initSvg();
-    type.render();
-  },
-  updateShape_: function(option) {
-    var outputExists = this.getInput('OUTPUTTYPE');
-    var topExists = this.getInput('TOPTYPE');
-    var bottomExists = this.getInput('BOTTOMTYPE');
-    if (option == 'LEFT') {
-      if (!outputExists) {
-        this.addTypeInput_('OUTPUTTYPE', 'output type');
-      }
-    } else if (outputExists) {
-      this.removeInput('OUTPUTTYPE');
-    }
-    if (option == 'TOP' || option == 'BOTH') {
-      if (!topExists) {
-        this.addTypeInput_('TOPTYPE', 'top type');
-      }
-    } else if (topExists) {
-      this.removeInput('TOPTYPE');
-    }
-    if (option == 'BOTTOM' || option == 'BOTH') {
-      if (!bottomExists) {
-        this.addTypeInput_('BOTTOMTYPE', 'bottom type');
-      }
-    } else if (bottomExists) {
-      this.removeInput('BOTTOMTYPE');
-    }
-  },
-  addTypeInput_: function(name, label) {
-    this.appendValueInput(name)
-        .setCheck('Type')
-        .appendField(label);
-    this.moveInputBefore(name, 'COLOUR');
-  }
-};
-
-var FIELD_MESSAGE = 'fields %1 %2';
-var FIELD_ARGS = [
-  {
-    "type": "field_dropdown",
-    "name": "ALIGN",
-    "options": [['left', 'LEFT'], ['right', 'RIGHT'], ['centre', 'CENTRE']],
-  },
-  {
-    "type": "input_statement",
-    "name": "FIELDS",
-    "check": "Field"
-  }
-];
-
-var TYPE_MESSAGE = 'type %1';
-var TYPE_ARGS = [
-  {
-    "type": "input_value",
-    "name": "TYPE",
-    "check": "Type",
-    "align": "RIGHT"
-  }
-];
-
-Blockly.Blocks['input_value'] = {
-  // Value input.
-  init: function() {
-    this.jsonInit({
-      "message0": "value input %1 %2",
-      "args0": [
-        {
-          "type": "field_input",
-          "name": "INPUTNAME",
-          "text": "NAME"
-        },
-        {
-          "type": "input_dummy"
-        }
-      ],
-      "message1": FIELD_MESSAGE,
-      "args1": FIELD_ARGS,
-      "message2": TYPE_MESSAGE,
-      "args2": TYPE_ARGS,
-      "previousStatement": "Input",
-      "nextStatement": "Input",
-      "colour": 210,
-      "tooltip": "A value socket for horizontal connections.",
-      "helpUrl": "https://www.youtube.com/watch?v=s2_xaEvcVI0#t=71"
-    });
-  },
-  onchange: function() {
-    inputNameCheck(this);
-  }
-};
-
-Blockly.Blocks['input_statement'] = {
-  // Statement input.
-  init: function() {
-    this.jsonInit({
-      "message0": "statement input %1 %2",
-      "args0": [
-        {
-          "type": "field_input",
-          "name": "INPUTNAME",
-          "text": "NAME"
-        },
-        {
-          "type": "input_dummy"
-        },
-      ],
-      "message1": FIELD_MESSAGE,
-      "args1": FIELD_ARGS,
-      "message2": TYPE_MESSAGE,
-      "args2": TYPE_ARGS,
-      "previousStatement": "Input",
-      "nextStatement": "Input",
-      "colour": 210,
-      "tooltip": "A statement socket for enclosed vertical stacks.",
-      "helpUrl": "https://www.youtube.com/watch?v=s2_xaEvcVI0#t=246"
-    });
-  },
-  onchange: function() {
-    inputNameCheck(this);
-  }
-};
-
-Blockly.Blocks['input_dummy'] = {
-  // Dummy input.
-  init: function() {
-    this.jsonInit({
-      "message0": "dummy input",
-      "message1": FIELD_MESSAGE,
-      "args1": FIELD_ARGS,
-      "previousStatement": "Input",
-      "nextStatement": "Input",
-      "colour": 210,
-      "tooltip": "For adding fields on a separate row with no " +
-                 "connections. Alignment options (left, right, centre) " +
-                 "apply only to multi-line fields.",
-      "helpUrl": "https://www.youtube.com/watch?v=s2_xaEvcVI0#t=293"
-    });
-  }
-};
-
-Blockly.Blocks['field_static'] = {
-  // Text value.
-  init: function() {
-    this.setColour(160);
-    this.appendDummyInput()
-        .appendField('text')
-        .appendField(new Blockly.FieldTextInput(''), 'TEXT');
-    this.setPreviousStatement(true, 'Field');
-    this.setNextStatement(true, 'Field');
-    this.setTooltip('Static text that serves as a label.');
-    this.setHelpUrl('https://www.youtube.com/watch?v=s2_xaEvcVI0#t=88');
-  }
-};
-
-Blockly.Blocks['field_input'] = {
-  // Text input.
-  init: function() {
-    this.setColour(160);
-    this.appendDummyInput()
-        .appendField('text input')
-        .appendField(new Blockly.FieldTextInput('default'), 'TEXT')
-        .appendField(',')
-        .appendField(new Blockly.FieldTextInput('NAME'), 'FIELDNAME');
-    this.setPreviousStatement(true, 'Field');
-    this.setNextStatement(true, 'Field');
-    this.setTooltip('An input field for the user to enter text.');
-    this.setHelpUrl('https://www.youtube.com/watch?v=s2_xaEvcVI0#t=319');
-  },
-  onchange: function() {
-    fieldNameCheck(this);
-  }
-};
-
-Blockly.Blocks['field_number'] = {
-  // Numeric input.
-  init: function() {
-    this.setColour(160);
-    this.appendDummyInput()
-        .appendField('numeric input')
-        .appendField(new Blockly.FieldNumber(0), 'VALUE')
-        .appendField(',')
-        .appendField(new Blockly.FieldTextInput('NAME'), 'FIELDNAME');
-    this.appendDummyInput()
-        .appendField('min')
-        .appendField(new Blockly.FieldNumber(-Infinity), 'MIN')
-        .appendField('max')
-        .appendField(new Blockly.FieldNumber(Infinity), 'MAX')
-        .appendField('precision')
-        .appendField(new Blockly.FieldNumber(0, 0), 'PRECISION');
-    this.setPreviousStatement(true, 'Field');
-    this.setNextStatement(true, 'Field');
-    this.setTooltip('An input field for the user to enter a number.');
-    this.setHelpUrl('https://www.youtube.com/watch?v=s2_xaEvcVI0#t=319');
-  },
-  onchange: function() {
-    fieldNameCheck(this);
-  }
-};
-
-Blockly.Blocks['field_angle'] = {
-  // Angle input.
-  init: function() {
-    this.setColour(160);
-    this.appendDummyInput()
-        .appendField('angle input')
-        .appendField(new Blockly.FieldAngle('90'), 'ANGLE')
-        .appendField(',')
-        .appendField(new Blockly.FieldTextInput('NAME'), 'FIELDNAME');
-    this.setPreviousStatement(true, 'Field');
-    this.setNextStatement(true, 'Field');
-    this.setTooltip('An input field for the user to enter an angle.');
-    this.setHelpUrl('https://www.youtube.com/watch?v=s2_xaEvcVI0#t=372');
-  },
-  onchange: function() {
-    fieldNameCheck(this);
-  }
-};
-
-Blockly.Blocks['field_dropdown'] = {
-  // Dropdown menu.
-  init: function() {
-    this.appendDummyInput()
-        .appendField('dropdown')
-        .appendField(new Blockly.FieldTextInput('NAME'), 'FIELDNAME');
-    this.optionCount_ = 3;
-    this.updateShape_();
-    this.setPreviousStatement(true, 'Field');
-    this.setNextStatement(true, 'Field');
-    this.setMutator(new Blockly.Mutator(['field_dropdown_option']));
-    this.setColour(160);
-    this.setTooltip('Dropdown menu with a list of options.');
-    this.setHelpUrl('https://www.youtube.com/watch?v=s2_xaEvcVI0#t=386');
-  },
-  mutationToDom: function(workspace) {
-    // Create XML to represent menu options.
-    var container = Blockly.utils.xml.createElement('mutation');
-    container.setAttribute('options', this.optionCount_);
-    return container;
-  },
-  domToMutation: function(container) {
-    // Parse XML to restore the menu options.
-    this.optionCount_ = parseInt(container.getAttribute('options'), 10);
-    this.updateShape_();
-  },
-  decompose: function(workspace) {
-    // Populate the mutator's dialog with this block's components.
-    var containerBlock = workspace.newBlock('field_dropdown_container');
-    containerBlock.initSvg();
-    var connection = containerBlock.getInput('STACK').connection;
-    for (var i = 0; i < this.optionCount_; i++) {
-      var optionBlock = workspace.newBlock('field_dropdown_option');
-      optionBlock.initSvg();
-      connection.connect(optionBlock.previousConnection);
-      connection = optionBlock.nextConnection;
-    }
-    return containerBlock;
-  },
-  compose: function(containerBlock) {
-    // Reconfigure this block based on the mutator dialog's components.
-    var optionBlock = containerBlock.getInputTargetBlock('STACK');
-    // Count number of inputs.
-    var data = [];
-    while (optionBlock) {
-      data.push([optionBlock.userData_, optionBlock.cpuData_]);
-      optionBlock = optionBlock.nextConnection &&
-          optionBlock.nextConnection.targetBlock();
-    }
-    this.optionCount_ = data.length;
-    this.updateShape_();
-    // Restore any data.
-    for (var i = 0; i < this.optionCount_; i++) {
-      this.setFieldValue(data[i][0] || 'option', 'USER' + i);
-      this.setFieldValue(data[i][1] || 'OPTIONNAME', 'CPU' + i);
-    }
-  },
-  saveConnections: function(containerBlock) {
-    // Store names and values for each option.
-    var optionBlock = containerBlock.getInputTargetBlock('STACK');
-    var i = 0;
-    while (optionBlock) {
-      optionBlock.userData_ = this.getFieldValue('USER' + i);
-      optionBlock.cpuData_ = this.getFieldValue('CPU' + i);
-      i++;
-      optionBlock = optionBlock.nextConnection &&
-          optionBlock.nextConnection.targetBlock();
-    }
-  },
-  updateShape_: function() {
-    // Modify this block to have the correct number of options.
-    // Add new options.
-    for (var i = 0; i < this.optionCount_; i++) {
-      if (!this.getInput('OPTION' + i)) {
-        this.appendDummyInput('OPTION' + i)
-            .appendField(new Blockly.FieldTextInput('option'), 'USER' + i)
-            .appendField(',')
-            .appendField(new Blockly.FieldTextInput('OPTIONNAME'), 'CPU' + i);
-      }
-    }
-    // Remove deleted options.
-    while (this.getInput('OPTION' + i)) {
-      this.removeInput('OPTION' + i);
-      i++;
-    }
-  },
-  onchange: function() {
-    if (this.workspace && this.optionCount_ < 1) {
-      this.setWarningText('Drop down menu must\nhave at least one option.');
-    } else {
-      fieldNameCheck(this);
-    }
-  }
-};
-
-Blockly.Blocks['field_dropdown_container'] = {
-  // Container.
-  init: function() {
-    this.setColour(160);
-    this.appendDummyInput()
-        .appendField('add options');
-    this.appendStatementInput('STACK');
-    this.setTooltip('Add, remove, or reorder options\n' +
-                    'to reconfigure this dropdown menu.');
-    this.setHelpUrl('https://www.youtube.com/watch?v=s2_xaEvcVI0#t=386');
-    this.contextMenu = false;
-  }
-};
-
-Blockly.Blocks['field_dropdown_option'] = {
-  // Add option.
-  init: function() {
-    this.setColour(160);
-    this.appendDummyInput()
-        .appendField('option');
-    this.setPreviousStatement(true);
-    this.setNextStatement(true);
-    this.setTooltip('Add a new option to the dropdown menu.');
-    this.setHelpUrl('https://www.youtube.com/watch?v=s2_xaEvcVI0#t=386');
-    this.contextMenu = false;
-  }
-};
-
-Blockly.Blocks['field_checkbox'] = {
-  // Checkbox.
-  init: function() {
-    this.setColour(160);
-    this.appendDummyInput()
-        .appendField('checkbox')
-        .appendField(new Blockly.FieldCheckbox('TRUE'), 'CHECKED')
-        .appendField(',')
-        .appendField(new Blockly.FieldTextInput('NAME'), 'FIELDNAME');
-    this.setPreviousStatement(true, 'Field');
-    this.setNextStatement(true, 'Field');
-    this.setTooltip('Checkbox field.');
-    this.setHelpUrl('https://www.youtube.com/watch?v=s2_xaEvcVI0#t=485');
-  },
-  onchange: function() {
-    fieldNameCheck(this);
-  }
-};
-
-Blockly.Blocks['field_colour'] = {
-  // Colour input.
-  init: function() {
-    this.setColour(160);
-    this.appendDummyInput()
-        .appendField('colour')
-        .appendField(new Blockly.FieldColour('#ff0000'), 'COLOUR')
-        .appendField(',')
-        .appendField(new Blockly.FieldTextInput('NAME'), 'FIELDNAME');
-    this.setPreviousStatement(true, 'Field');
-    this.setNextStatement(true, 'Field');
-    this.setTooltip('Colour input field.');
-    this.setHelpUrl('https://www.youtube.com/watch?v=s2_xaEvcVI0#t=495');
-  },
-  onchange: function() {
-    fieldNameCheck(this);
-  }
-};
-
-Blockly.Blocks['field_variable'] = {
-  // Dropdown for variables.
-  init: function() {
-    this.setColour(160);
-    this.appendDummyInput()
-        .appendField('variable')
-        .appendField(new Blockly.FieldTextInput('item'), 'TEXT')
-        .appendField(',')
-        .appendField(new Blockly.FieldTextInput('NAME'), 'FIELDNAME');
-    this.setPreviousStatement(true, 'Field');
-    this.setNextStatement(true, 'Field');
-    this.setTooltip('Dropdown menu for variable names.');
-    this.setHelpUrl('https://www.youtube.com/watch?v=s2_xaEvcVI0#t=510');
-  },
-  onchange: function() {
-    fieldNameCheck(this);
-  }
-};
-
-Blockly.Blocks['field_image'] = {
-  // Image.
-  init: function() {
-    this.setColour(160);
-    var src = 'https://www.gstatic.com/codesite/ph/images/star_on.gif';
-    this.appendDummyInput()
-        .appendField('image')
-        .appendField(new Blockly.FieldTextInput(src), 'SRC');
-    this.appendDummyInput()
-        .appendField('width')
-        .appendField(new Blockly.FieldNumber('15', 0, NaN, 1), 'WIDTH')
-        .appendField('height')
-        .appendField(new Blockly.FieldNumber('15', 0, NaN, 1), 'HEIGHT')
-        .appendField('alt text')
-        .appendField(new Blockly.FieldTextInput('*'), 'ALT');
-    this.setPreviousStatement(true, 'Field');
-    this.setNextStatement(true, 'Field');
-    this.setTooltip('Static image (JPEG, PNG, GIF, SVG, BMP).\n' +
-                    'Retains aspect ratio regardless of height and width.\n' +
-                    'Alt text is for when collapsed.');
-    this.setHelpUrl('https://www.youtube.com/watch?v=s2_xaEvcVI0#t=567');
-  }
-};
-
-Blockly.Blocks['type_group'] = {
-  // Group of types.
-  init: function() {
-    this.typeCount_ = 2;
-    this.updateShape_();
-    this.setOutput(true, 'Type');
-    this.setMutator(new Blockly.Mutator(['type_group_item']));
-    this.setColour(230);
-    this.setTooltip('Allows more than one type to be accepted.');
-    this.setHelpUrl('https://www.youtube.com/watch?v=s2_xaEvcVI0#t=677');
-  },
-  mutationToDom: function(workspace) {
-    // Create XML to represent a group of types.
-    var container = Blockly.utils.xml.createElement('mutation');
-    container.setAttribute('types', this.typeCount_);
-    return container;
-  },
-  domToMutation: function(container) {
-    // Parse XML to restore the group of types.
-    this.typeCount_ = parseInt(container.getAttribute('types'), 10);
-    this.updateShape_();
-    for (var i = 0; i < this.typeCount_; i++) {
-      this.removeInput('TYPE' + i);
-    }
-    for (var i = 0; i < this.typeCount_; i++) {
-      var input = this.appendValueInput('TYPE' + i)
-                      .setCheck('Type');
-      if (i == 0) {
-        input.appendField('any of');
-      }
-    }
-  },
-  decompose: function(workspace) {
-    // Populate the mutator's dialog with this block's components.
-    var containerBlock = workspace.newBlock('type_group_container');
-    containerBlock.initSvg();
-    var connection = containerBlock.getInput('STACK').connection;
-    for (var i = 0; i < this.typeCount_; i++) {
-      var typeBlock = workspace.newBlock('type_group_item');
-      typeBlock.initSvg();
-      connection.connect(typeBlock.previousConnection);
-      connection = typeBlock.nextConnection;
-    }
-    return containerBlock;
-  },
-  compose: function(containerBlock) {
-    // Reconfigure this block based on the mutator dialog's components.
-    var typeBlock = containerBlock.getInputTargetBlock('STACK');
-    // Count number of inputs.
-    var connections = [];
-    while (typeBlock) {
-      connections.push(typeBlock.valueConnection_);
-      typeBlock = typeBlock.nextConnection &&
-          typeBlock.nextConnection.targetBlock();
-    }
-    // Disconnect any children that don't belong.
-    for (var i = 0; i < this.typeCount_; i++) {
-      var connection = this.getInput('TYPE' + i).connection.targetConnection;
-      if (connection && connections.indexOf(connection) == -1) {
-        connection.disconnect();
-      }
-    }
-    this.typeCount_ = connections.length;
-    this.updateShape_();
-    // Reconnect any child blocks.
-    for (var i = 0; i < this.typeCount_; i++) {
-      Blockly.Mutator.reconnect(connections[i], this, 'TYPE' + i);
-    }
-  },
-  saveConnections: function(containerBlock) {
-    // Store a pointer to any connected child blocks.
-    var typeBlock = containerBlock.getInputTargetBlock('STACK');
-    var i = 0;
-    while (typeBlock) {
-      var input = this.getInput('TYPE' + i);
-      typeBlock.valueConnection_ = input && input.connection.targetConnection;
-      i++;
-      typeBlock = typeBlock.nextConnection &&
-          typeBlock.nextConnection.targetBlock();
-    }
-  },
-  updateShape_: function() {
-    // Modify this block to have the correct number of inputs.
-    // Add new inputs.
-    for (var i = 0; i < this.typeCount_; i++) {
-      if (!this.getInput('TYPE' + i)) {
-        var input = this.appendValueInput('TYPE' + i);
-        if (i == 0) {
-          input.appendField('any of');
-        }
-      }
-    }
-    // Remove deleted inputs.
-    while (this.getInput('TYPE' + i)) {
-      this.removeInput('TYPE' + i);
-      i++;
-    }
-  }
-};
-
-Blockly.Blocks['type_group_container'] = {
-  // Container.
-  init: function() {
-    this.jsonInit({
-      "message0": "add types %1 %2",
-      "args0": [
-        {"type": "input_dummy"},
-        {"type": "input_statement", "name": "STACK"}
-      ],
-      "colour": 230,
-      "tooltip": "Add, or remove allowed type.",
-      "helpUrl": "https://www.youtube.com/watch?v=s2_xaEvcVI0#t=677"
-    });
-  }
-};
-
-Blockly.Blocks['type_group_item'] = {
-  // Add type.
-  init: function() {
-    this.jsonInit({
-      "message0": "type",
-      "previousStatement": null,
-      "nextStatement": null,
-      "colour": 230,
-      "tooltip": "Add a new allowed type.",
-      "helpUrl": "https://www.youtube.com/watch?v=s2_xaEvcVI0#t=677"
-    });
-  }
-};
-
-Blockly.Blocks['type_null'] = {
-  // Null type.
-  valueType: null,
-  init: function() {
-    this.jsonInit({
-      "message0": "any",
-      "output": "Type",
-      "colour": 230,
-      "tooltip": "Any type is allowed.",
-      "helpUrl": "https://www.youtube.com/watch?v=s2_xaEvcVI0#t=602"
-    });
-  }
-};
-
-Blockly.Blocks['type_boolean'] = {
-  // Boolean type.
-  valueType: 'Boolean',
-  init: function() {
-    this.jsonInit({
-      "message0": "Boolean",
-      "output": "Type",
-      "colour": 230,
-      "tooltip": "Booleans (true/false) are allowed.",
-      "helpUrl": "https://www.youtube.com/watch?v=s2_xaEvcVI0#t=602"
-    });
-  }
-};
-
-Blockly.Blocks['type_number'] = {
-  // Number type.
-  valueType: 'Number',
-  init: function() {
-    this.jsonInit({
-      "message0": "Number",
-      "output": "Type",
-      "colour": 230,
-      "tooltip": "Numbers (int/float) are allowed.",
-      "helpUrl": "https://www.youtube.com/watch?v=s2_xaEvcVI0#t=602"
-    });
-  }
-};
-
-Blockly.Blocks['type_string'] = {
-  // String type.
-  valueType: 'String',
-  init: function() {
-    this.jsonInit({
-      "message0": "String",
-      "output": "Type",
-      "colour": 230,
-      "tooltip": "Strings (text) are allowed.",
-      "helpUrl": "https://www.youtube.com/watch?v=s2_xaEvcVI0#t=602"
-    });
-  }
-};
-
-Blockly.Blocks['type_list'] = {
-  // List type.
-  valueType: 'Array',
-  init: function() {
-    this.jsonInit({
-      "message0": "Array",
-      "output": "Type",
-      "colour": 230,
-      "tooltip": "Arrays (lists) are allowed.",
-      "helpUrl": "https://www.youtube.com/watch?v=s2_xaEvcVI0#t=602"
-    });
-  }
-};
-
-Blockly.Blocks['type_other'] = {
-  // Other type.
-  init: function() {
-    this.jsonInit({
-      "message0": "other %1",
-      "args0": [{"type": "field_input", "name": "TYPE", "text": ""}],
-      "output": "Type",
-      "colour": 230,
-      "tooltip": "Custom type to allow.",
-      "helpUrl": "https://www.youtube.com/watch?v=s2_xaEvcVI0#t=702"
-    });
-  }
-};
-
-Blockly.Blocks['colour_hue'] = {
-  // Set the colour of the block.
-  init: function() {
-    this.appendDummyInput()
-        .appendField('hue:')
-        .appendField(new Blockly.FieldAngle('0', this.validator), 'HUE');
-    this.setOutput(true, 'Colour');
-    this.setTooltip('Paint the block with this colour.');
-    this.setHelpUrl('https://www.youtube.com/watch?v=s2_xaEvcVI0#t=55');
-  },
-  validator: function(text) {
-    // Update the current block's colour to match.
-    var hue = parseInt(text, 10);
-    if (!isNaN(hue)) {
-      this.sourceBlock_.setColour(hue);
-    }
-  },
-  mutationToDom: function(workspace) {
-    var container = Blockly.utils.xml.createElement('mutation');
-    container.setAttribute('colour', this.getColour());
-    return container;
-  },
-  domToMutation: function(container) {
-    this.setColour(container.getAttribute('colour'));
-  }
-};
-
-/**
- * Check to see if more than one field has this name.
- * Highly inefficient (On^2), but n is small.
- * @param {!Blockly.Block} referenceBlock Block to check.
- */
-function fieldNameCheck(referenceBlock) {
-  if (!referenceBlock.workspace) {
-    // Block has been deleted.
-    return;
-  }
-  var name = referenceBlock.getFieldValue('FIELDNAME').toLowerCase();
-  var count = 0;
-  var blocks = referenceBlock.workspace.getAllBlocks(false);
-  for (var i = 0, block; block = blocks[i]; i++) {
-    var otherName = block.getFieldValue('FIELDNAME');
-    if (!block.disabled && !block.getInheritedDisabled() &&
-        otherName && otherName.toLowerCase() == name) {
-      count++;
-    }
-  }
-  var msg = (count > 1) ?
-      'There are ' + count + ' field blocks\n with this name.' : null;
-  referenceBlock.setWarningText(msg);
-}
-
-/**
- * Check to see if more than one input has this name.
- * Highly inefficient (On^2), but n is small.
- * @param {!Blockly.Block} referenceBlock Block to check.
- */
-function inputNameCheck(referenceBlock) {
-  if (!referenceBlock.workspace) {
-    // Block has been deleted.
-    return;
-  }
-  var name = referenceBlock.getFieldValue('INPUTNAME').toLowerCase();
-  var count = 0;
-  var blocks = referenceBlock.workspace.getAllBlocks(false);
-  for (var i = 0, block; block = blocks[i]; i++) {
-    var otherName = block.getFieldValue('INPUTNAME');
-    if (!block.disabled && !block.getInheritedDisabled() &&
-        otherName && otherName.toLowerCase() == name) {
-      count++;
-    }
-  }
-  var msg = (count > 1) ?
-      'There are ' + count + ' input blocks\n with this name.' : null;
-  referenceBlock.setWarningText(msg);
-}
diff --git a/demos/blockfactory_old/factory.js b/demos/blockfactory_old/factory.js
deleted file mode 100644
index 10c0adad1f1..00000000000
--- a/demos/blockfactory_old/factory.js
+++ /dev/null
@@ -1,820 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview JavaScript for Blockly's Block Factory application.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * Workspace for user to build block.
- * @type {Blockly.Workspace}
- */
-var mainWorkspace = null;
-
-/**
- * Workspace for preview of block.
- * @type {Blockly.Workspace}
- */
-var previewWorkspace = null;
-
-/**
- * Name of block if not named.
- */
-var UNNAMED = 'unnamed';
-
-/**
- * Change the language code format.
- */
-function formatChange() {
-  var mask = document.getElementById('blocklyMask');
-  var languagePre = document.getElementById('languagePre');
-  var languageTA = document.getElementById('languageTA');
-  if (document.getElementById('format').value == 'Manual') {
-    Blockly.hideChaff();
-    mask.style.display = 'block';
-    languagePre.style.display = 'none';
-    languageTA.style.display = 'block';
-    var code = languagePre.textContent.trim();
-    languageTA.value = code;
-    languageTA.focus();
-    updatePreview();
-  } else {
-    mask.style.display = 'none';
-    languageTA.style.display = 'none';
-    languagePre.style.display = 'block';
-    updateLanguage();
-  }
-  disableEnableLink();
-}
-
-/**
- * Update the language code based on constructs made in Blockly.
- */
-function updateLanguage() {
-  var rootBlock = getRootBlock();
-  if (!rootBlock) {
-    return;
-  }
-  var blockType = rootBlock.getFieldValue('NAME').trim().toLowerCase();
-  if (!blockType) {
-    blockType = UNNAMED;
-  }
-  blockType = blockType.replace(/\W/g, '_').replace(/^(\d)/, '_\\1');
-  switch (document.getElementById('format').value) {
-    case 'JSON':
-      var code = formatJson_(blockType, rootBlock);
-      break;
-    case 'JavaScript':
-      var code = formatJavaScript_(blockType, rootBlock);
-      break;
-  }
-  injectCode(code, 'languagePre');
-  updatePreview();
-}
-
-/**
- * Update the language code as JSON.
- * @param {string} blockType Name of block.
- * @param {!Blockly.Block} rootBlock Factory_base block.
- * @return {string} Generated language code.
- * @private
- */
-function formatJson_(blockType, rootBlock) {
-  var JS = {};
-  // Type is not used by Blockly, but may be used by a loader.
-  JS.type = blockType;
-  // Generate inputs.
-  var message = [];
-  var args = [];
-  var contentsBlock = rootBlock.getInputTargetBlock('INPUTS');
-  var lastInput = null;
-  while (contentsBlock) {
-    if (!contentsBlock.disabled && !contentsBlock.getInheritedDisabled()) {
-      var fields = getFieldsJson_(contentsBlock.getInputTargetBlock('FIELDS'));
-      for (var i = 0; i < fields.length; i++) {
-        if (typeof fields[i] == 'string') {
-          message.push(fields[i].replace(/%/g, '%%'));
-        } else {
-          args.push(fields[i]);
-          message.push('%' + args.length);
-        }
-      }
-
-      var input = {type: contentsBlock.type};
-      // Dummy inputs don't have names.  Other inputs do.
-      if (contentsBlock.type != 'input_dummy') {
-        input.name = contentsBlock.getFieldValue('INPUTNAME');
-      }
-      var check = JSON.parse(getOptTypesFrom(contentsBlock, 'TYPE') || 'null');
-      if (check) {
-        input.check = check;
-      }
-      var align = contentsBlock.getFieldValue('ALIGN');
-      if (align != 'LEFT') {
-        input.align = align;
-      }
-      args.push(input);
-      message.push('%' + args.length);
-      lastInput = contentsBlock;
-    }
-    contentsBlock = contentsBlock.nextConnection &&
-        contentsBlock.nextConnection.targetBlock();
-  }
-  // Remove last input if dummy and not empty.
-  if (lastInput && lastInput.type == 'input_dummy') {
-    var fields = lastInput.getInputTargetBlock('FIELDS');
-    if (fields && getFieldsJson_(fields).join('').trim() != '') {
-      var align = lastInput.getFieldValue('ALIGN');
-      if (align != 'LEFT') {
-        JS.lastDummyAlign0 = align;
-      }
-      args.pop();
-      message.pop();
-    }
-  }
-  JS.message0 = message.join(' ');
-  if (args.length) {
-    JS.args0 = args;
-  }
-  // Generate inline/external switch.
-  if (rootBlock.getFieldValue('INLINE') == 'EXT') {
-    JS.inputsInline = false;
-  } else if (rootBlock.getFieldValue('INLINE') == 'INT') {
-    JS.inputsInline = true;
-  }
-  // Generate output, or next/previous connections.
-  switch (rootBlock.getFieldValue('CONNECTIONS')) {
-    case 'LEFT':
-      JS.output =
-          JSON.parse(getOptTypesFrom(rootBlock, 'OUTPUTTYPE') || 'null');
-      break;
-    case 'BOTH':
-      JS.previousStatement =
-          JSON.parse(getOptTypesFrom(rootBlock, 'TOPTYPE') || 'null');
-      JS.nextStatement =
-          JSON.parse(getOptTypesFrom(rootBlock, 'BOTTOMTYPE') || 'null');
-      break;
-    case 'TOP':
-      JS.previousStatement =
-          JSON.parse(getOptTypesFrom(rootBlock, 'TOPTYPE') || 'null');
-      break;
-    case 'BOTTOM':
-      JS.nextStatement =
-          JSON.parse(getOptTypesFrom(rootBlock, 'BOTTOMTYPE') || 'null');
-      break;
-  }
-  // Generate colour.
-  var colourBlock = rootBlock.getInputTargetBlock('COLOUR');
-  if (colourBlock && !colourBlock.disabled) {
-    var hue = parseInt(colourBlock.getFieldValue('HUE'), 10);
-    JS.colour = hue;
-  }
-  JS.tooltip = '';
-  JS.helpUrl = 'http://www.example.com/';
-  return JSON.stringify(JS, null, '  ');
-}
-
-/**
- * Update the language code as JavaScript.
- * @param {string} blockType Name of block.
- * @param {!Blockly.Block} rootBlock Factory_base block.
- * @return {string} Generated language code.
- * @private
- */
-function formatJavaScript_(blockType, rootBlock) {
-  var code = [];
-  code.push("Blockly.Blocks['" + blockType + "'] = {");
-  code.push("  init: function() {");
-  // Generate inputs.
-  var TYPES = {'input_value': 'appendValueInput',
-               'input_statement': 'appendStatementInput',
-               'input_dummy': 'appendDummyInput'};
-  var contentsBlock = rootBlock.getInputTargetBlock('INPUTS');
-  while (contentsBlock) {
-    if (!contentsBlock.disabled && !contentsBlock.getInheritedDisabled()) {
-      var name = '';
-      // Dummy inputs don't have names.  Other inputs do.
-      if (contentsBlock.type != 'input_dummy') {
-        name = escapeString(contentsBlock.getFieldValue('INPUTNAME'));
-      }
-      code.push('    this.' + TYPES[contentsBlock.type] + '(' + name + ')');
-      var check = getOptTypesFrom(contentsBlock, 'TYPE');
-      if (check) {
-        code.push('        .setCheck(' + check + ')');
-      }
-      var align = contentsBlock.getFieldValue('ALIGN');
-      if (align != 'LEFT') {
-        code.push('        .setAlign(Blockly.ALIGN_' + align + ')');
-      }
-      var fields = getFieldsJs_(contentsBlock.getInputTargetBlock('FIELDS'));
-      for (var i = 0; i < fields.length; i++) {
-        code.push('        .appendField(' + fields[i] + ')');
-      }
-      // Add semicolon to last line to finish the statement.
-      code[code.length - 1] += ';';
-    }
-    contentsBlock = contentsBlock.nextConnection &&
-        contentsBlock.nextConnection.targetBlock();
-  }
-  // Generate inline/external switch.
-  if (rootBlock.getFieldValue('INLINE') == 'EXT') {
-    code.push('    this.setInputsInline(false);');
-  } else if (rootBlock.getFieldValue('INLINE') == 'INT') {
-    code.push('    this.setInputsInline(true);');
-  }
-  // Generate output, or next/previous connections.
-  switch (rootBlock.getFieldValue('CONNECTIONS')) {
-    case 'LEFT':
-      code.push(connectionLineJs_('setOutput', 'OUTPUTTYPE'));
-      break;
-    case 'BOTH':
-      code.push(connectionLineJs_('setPreviousStatement', 'TOPTYPE'));
-      code.push(connectionLineJs_('setNextStatement', 'BOTTOMTYPE'));
-      break;
-    case 'TOP':
-      code.push(connectionLineJs_('setPreviousStatement', 'TOPTYPE'));
-      break;
-    case 'BOTTOM':
-      code.push(connectionLineJs_('setNextStatement', 'BOTTOMTYPE'));
-      break;
-  }
-  // Generate colour.
-  var colourBlock = rootBlock.getInputTargetBlock('COLOUR');
-  if (colourBlock && !colourBlock.disabled) {
-    var hue = parseInt(colourBlock.getFieldValue('HUE'), 10);
-    if (!isNaN(hue)) {
-      code.push('    this.setColour(' + hue + ');');
-    }
-  }
-  code.push("    this.setTooltip('');");
-  code.push("    this.setHelpUrl('http://www.example.com/');");
-  code.push('  }');
-  code.push('};');
-  return code.join('\n');
-}
-
-/**
- * Create JS code required to create a top, bottom, or value connection.
- * @param {string} functionName JavaScript function name.
- * @param {string} typeName Name of type input.
- * @return {string} Line of JavaScript code to create connection.
- * @private
- */
-function connectionLineJs_(functionName, typeName) {
-  var type = getOptTypesFrom(getRootBlock(), typeName);
-  if (type) {
-    type = ', ' + type;
-  } else {
-    type = '';
-  }
-  return '    this.' + functionName + '(true' + type + ');';
-}
-
-/**
- * Returns field strings and any config.
- * @param {!Blockly.Block} block Input block.
- * @return {!Array.<string>} Field strings.
- * @private
- */
-function getFieldsJs_(block) {
-  var fields = [];
-  while (block) {
-    if (!block.disabled && !block.getInheritedDisabled()) {
-      switch (block.type) {
-        case 'field_static':
-          // Result: 'hello'
-          fields.push(escapeString(block.getFieldValue('TEXT')));
-          break;
-        case 'field_input':
-          // Result: new Blockly.FieldTextInput('Hello'), 'GREET'
-          fields.push('new Blockly.FieldTextInput(' +
-              escapeString(block.getFieldValue('TEXT')) + '), ' +
-              escapeString(block.getFieldValue('FIELDNAME')));
-          break;
-        case 'field_number':
-          // Result: new Blockly.FieldNumber(10, 0, 100, 1), 'NUMBER'
-          var args = [
-            Number(block.getFieldValue('VALUE')),
-            Number(block.getFieldValue('MIN')),
-            Number(block.getFieldValue('MAX')),
-            Number(block.getFieldValue('PRECISION'))
-          ];
-          // Remove any trailing arguments that aren't needed.
-          if (args[3] == 0) {
-            args.pop();
-            if (args[2] == Infinity) {
-              args.pop();
-              if (args[1] == -Infinity) {
-                args.pop();
-              }
-            }
-          }
-          fields.push('new Blockly.FieldNumber(' + args.join(', ') + '), ' +
-              escapeString(block.getFieldValue('FIELDNAME')));
-          break;
-        case 'field_angle':
-          // Result: new Blockly.FieldAngle(90), 'ANGLE'
-          fields.push('new Blockly.FieldAngle(' +
-              Number(block.getFieldValue('ANGLE')) + '), ' +
-              escapeString(block.getFieldValue('FIELDNAME')));
-          break;
-        case 'field_checkbox':
-          // Result: new Blockly.FieldCheckbox('TRUE'), 'CHECK'
-          fields.push('new Blockly.FieldCheckbox(' +
-              escapeString(block.getFieldValue('CHECKED')) + '), ' +
-              escapeString(block.getFieldValue('FIELDNAME')));
-          break;
-        case 'field_colour':
-          // Result: new Blockly.FieldColour('#ff0000'), 'COLOUR'
-          fields.push('new Blockly.FieldColour(' +
-              escapeString(block.getFieldValue('COLOUR')) + '), ' +
-              escapeString(block.getFieldValue('FIELDNAME')));
-          break;
-        case 'field_variable':
-          // Result: new Blockly.FieldVariable('item'), 'VAR'
-          var varname = escapeString(block.getFieldValue('TEXT') || null);
-          fields.push('new Blockly.FieldVariable(' + varname + '), ' +
-              escapeString(block.getFieldValue('FIELDNAME')));
-          break;
-        case 'field_dropdown':
-          // Result:
-          // new Blockly.FieldDropdown([['yes', '1'], ['no', '0']]), 'TOGGLE'
-          var options = [];
-          for (var i = 0; i < block.optionCount_; i++) {
-            options[i] = '[' + escapeString(block.getFieldValue('USER' + i)) +
-                ', ' + escapeString(block.getFieldValue('CPU' + i)) + ']';
-          }
-          if (options.length) {
-            fields.push('new Blockly.FieldDropdown([' +
-                options.join(', ') + ']), ' +
-                escapeString(block.getFieldValue('FIELDNAME')));
-          }
-          break;
-        case 'field_image':
-          // Result: new Blockly.FieldImage('http://...', 80, 60, '*')
-          var src = escapeString(block.getFieldValue('SRC'));
-          var width = Number(block.getFieldValue('WIDTH'));
-          var height = Number(block.getFieldValue('HEIGHT'));
-          var alt = escapeString(block.getFieldValue('ALT'));
-          fields.push('new Blockly.FieldImage(' +
-              src + ', ' + width + ', ' + height + ', ' + alt + ')');
-          break;
-      }
-    }
-    block = block.nextConnection && block.nextConnection.targetBlock();
-  }
-  return fields;
-}
-
-/**
- * Returns field strings and any config.
- * @param {!Blockly.Block} block Input block.
- * @return {!Array.<string|!Object>} Array of static text and field configs.
- * @private
- */
-function getFieldsJson_(block) {
-  var fields = [];
-  while (block) {
-    if (!block.disabled && !block.getInheritedDisabled()) {
-      switch (block.type) {
-        case 'field_static':
-          // Result: 'hello'
-          fields.push(block.getFieldValue('TEXT'));
-          break;
-        case 'field_input':
-          fields.push({
-            type: block.type,
-            name: block.getFieldValue('FIELDNAME'),
-            text: block.getFieldValue('TEXT')
-          });
-          break;
-        case 'field_number':
-          var obj = {
-            type: block.type,
-            name: block.getFieldValue('FIELDNAME'),
-            value: Number(block.getFieldValue('VALUE'))
-          };
-          var min = Number(block.getFieldValue('MIN'));
-          if (min > -Infinity) {
-            obj.min = min;
-          }
-          var max = Number(block.getFieldValue('MAX'));
-          if (max < Infinity) {
-            obj.max = max;
-          }
-          var precision = Number(block.getFieldValue('PRECISION'));
-          if (precision) {
-            obj.precision = precision;
-          }
-          fields.push(obj);
-          break;
-        case 'field_angle':
-          fields.push({
-            type: block.type,
-            name: block.getFieldValue('FIELDNAME'),
-            angle: Number(block.getFieldValue('ANGLE'))
-          });
-          break;
-        case 'field_checkbox':
-          fields.push({
-            type: block.type,
-            name: block.getFieldValue('FIELDNAME'),
-            checked: block.getFieldValue('CHECKED') == 'TRUE'
-          });
-          break;
-        case 'field_colour':
-          fields.push({
-            type: block.type,
-            name: block.getFieldValue('FIELDNAME'),
-            colour: block.getFieldValue('COLOUR')
-          });
-          break;
-        case 'field_variable':
-          fields.push({
-            type: block.type,
-            name: block.getFieldValue('FIELDNAME'),
-            variable: block.getFieldValue('TEXT') || null
-          });
-          break;
-        case 'field_dropdown':
-          var options = [];
-          for (var i = 0; i < block.optionCount_; i++) {
-            options[i] = [block.getFieldValue('USER' + i),
-                block.getFieldValue('CPU' + i)];
-          }
-          if (options.length) {
-            fields.push({
-              type: block.type,
-              name: block.getFieldValue('FIELDNAME'),
-              options: options
-            });
-          }
-          break;
-        case 'field_image':
-          fields.push({
-            type: block.type,
-            src: block.getFieldValue('SRC'),
-            width: Number(block.getFieldValue('WIDTH')),
-            height: Number(block.getFieldValue('HEIGHT')),
-            alt: block.getFieldValue('ALT')
-          });
-          break;
-      }
-    }
-    block = block.nextConnection && block.nextConnection.targetBlock();
-  }
-  return fields;
-}
-
-/**
- * Escape a string.
- * @param {string} string String to escape.
- * @return {string} Escaped string surrounded by quotes.
- */
-function escapeString(string) {
-  return JSON.stringify(string);
-}
-
-/**
- * Fetch the type(s) defined in the given input.
- * Format as a string for appending to the generated code.
- * @param {!Blockly.Block} block Block with input.
- * @param {string} name Name of the input.
- * @return {?string} String defining the types.
- */
-function getOptTypesFrom(block, name) {
-  var types = getTypesFrom_(block, name);
-  if (types.length == 0) {
-    return undefined;
-  } else if (types.indexOf('null') != -1) {
-    return 'null';
-  } else if (types.length == 1) {
-    return types[0];
-  } else {
-    return '[' + types.join(', ') + ']';
-  }
-}
-
-/**
- * Fetch the type(s) defined in the given input.
- * @param {!Blockly.Block} block Block with input.
- * @param {string} name Name of the input.
- * @return {!Array.<string>} List of types.
- * @private
- */
-function getTypesFrom_(block, name) {
-  var typeBlock = block.getInputTargetBlock(name);
-  var types;
-  if (!typeBlock || typeBlock.disabled) {
-    types = [];
-  } else if (typeBlock.type == 'type_other') {
-    types = [escapeString(typeBlock.getFieldValue('TYPE'))];
-  } else if (typeBlock.type == 'type_group') {
-    types = [];
-    for (var i = 0; i < typeBlock.typeCount_; i++) {
-      types = types.concat(getTypesFrom_(typeBlock, 'TYPE' + i));
-    }
-    // Remove duplicates.
-    var hash = Object.create(null);
-    for (var n = types.length - 1; n >= 0; n--) {
-      if (hash[types[n]]) {
-        types.splice(n, 1);
-      }
-      hash[types[n]] = true;
-    }
-  } else {
-    types = [escapeString(typeBlock.valueType)];
-  }
-  return types;
-}
-
-/**
- * Update the generator code.
- * @param {!Blockly.Block} block Rendered block in preview workspace.
- */
-function updateGenerator(block) {
-  function makeVar(root, name) {
-    name = name.toLowerCase().replace(/\W/g, '_');
-    return '  var ' + root + '_' + name;
-  }
-  var language = document.getElementById('language').value;
-  var code = [];
-  code.push("Blockly." + language + "['" + block.type +
-            "'] = function(block) {");
-
-  // Generate getters for any fields or inputs.
-  for (var i = 0, input; input = block.inputList[i]; i++) {
-    for (var j = 0, field; field = input.fieldRow[j]; j++) {
-      var name = field.name;
-      if (!name) {
-        continue;
-      }
-      if (field instanceof Blockly.FieldVariable) {
-        // Subclass of Blockly.FieldDropdown, must test first.
-        code.push(makeVar('variable', name) +
-                  " = Blockly." + language +
-                  ".variableDB_.getName(block.getFieldValue('" + name +
-                  "'), Blockly.Variables.NAME_TYPE);");
-      } else if (field instanceof Blockly.FieldAngle) {
-        // Subclass of Blockly.FieldTextInput, must test first.
-        code.push(makeVar('angle', name) +
-                  " = block.getFieldValue('" + name + "');");
-      } else if (field instanceof Blockly.FieldColour) {
-        code.push(makeVar('colour', name) +
-                  " = block.getFieldValue('" + name + "');");
-      } else if (field instanceof Blockly.FieldCheckbox) {
-        code.push(makeVar('checkbox', name) +
-                  " = block.getFieldValue('" + name + "') == 'TRUE';");
-      } else if (field instanceof Blockly.FieldDropdown) {
-        code.push(makeVar('dropdown', name) +
-                  " = block.getFieldValue('" + name + "');");
-      } else if (field instanceof Blockly.FieldNumber) {
-        code.push(makeVar('number', name) +
-                  " = block.getFieldValue('" + name + "');");
-      } else if (field instanceof Blockly.FieldTextInput) {
-        code.push(makeVar('text', name) +
-                  " = block.getFieldValue('" + name + "');");
-      }
-    }
-    var name = input.name;
-    if (name) {
-      if (input.type == Blockly.INPUT_VALUE) {
-        code.push(makeVar('value', name) +
-                  " = Blockly." + language + ".valueToCode(block, '" + name +
-                  "', Blockly." + language + ".ORDER_ATOMIC);");
-      } else if (input.type == Blockly.NEXT_STATEMENT) {
-        code.push(makeVar('statements', name) +
-                  " = Blockly." + language + ".statementToCode(block, '" +
-                  name + "');");
-      }
-    }
-  }
-  // Most languages end lines with a semicolon.  Python does not.
-  var lineEnd = {
-    'JavaScript': ';',
-    'Python': '',
-    'PHP': ';',
-    'Dart': ';'
-  };
-  code.push("  // TODO: Assemble " + language + " into code variable.");
-  if (block.outputConnection) {
-    code.push("  var code = '...';");
-    code.push("  // TODO: Change ORDER_NONE to the correct strength.");
-    code.push("  return [code, Blockly." + language + ".ORDER_NONE];");
-  } else {
-    code.push("  var code = '..." + (lineEnd[language] || '') + "\\n';");
-    code.push("  return code;");
-  }
-  code.push("};");
-
-  injectCode(code.join('\n'), 'generatorPre');
-}
-
-/**
- * Existing direction ('ltr' vs 'rtl') of preview.
- */
-var oldDir = null;
-
-/**
- * Update the preview display.
- */
-function updatePreview() {
-  // Toggle between LTR/RTL if needed (also used in first display).
-  var newDir = document.getElementById('direction').value;
-  if (oldDir != newDir) {
-    if (previewWorkspace) {
-      previewWorkspace.dispose();
-    }
-    var rtl = newDir == 'rtl';
-    previewWorkspace = Blockly.inject('preview',
-        {rtl: rtl,
-         media: '../../media/',
-         scrollbars: true});
-    oldDir = newDir;
-  }
-  previewWorkspace.clear();
-
-  // Fetch the code and determine its format (JSON or JavaScript).
-  var format = document.getElementById('format').value;
-  if (format == 'Manual') {
-    var code = document.getElementById('languageTA').value;
-    // If the code is JSON, it will parse, otherwise treat as JS.
-    try {
-      JSON.parse(code);
-      format = 'JSON';
-    } catch (e) {
-      format = 'JavaScript';
-    }
-  } else {
-    var code = document.getElementById('languagePre').textContent;
-  }
-  if (!code.trim()) {
-    // Nothing to render.  Happens while cloud storage is loading.
-    return;
-  }
-
-  // Backup Blockly.Blocks object so that main workspace and preview don't
-  // collide if user creates a 'factory_base' block, for instance.
-  var backupBlocks = Blockly.Blocks;
-  try {
-    // Make a shallow copy.
-    Blockly.Blocks = {};
-    for (var prop in backupBlocks) {
-      Blockly.Blocks[prop] = backupBlocks[prop];
-    }
-
-    if (format == 'JSON') {
-      var json = JSON.parse(code);
-      Blockly.Blocks[json.type || UNNAMED] = {
-        init: function() {
-          this.jsonInit(json);
-        }
-      };
-    } else if (format == 'JavaScript') {
-      eval(code);
-    } else {
-      throw 'Unknown format: ' + format;
-    }
-
-    // Look for a block on Blockly.Blocks that does not match the backup.
-    var blockType = null;
-    for (var type in Blockly.Blocks) {
-      if (typeof Blockly.Blocks[type].init == 'function' &&
-          Blockly.Blocks[type] != backupBlocks[type]) {
-        blockType = type;
-        break;
-      }
-    }
-    if (!blockType) {
-      return;
-    }
-
-    // Create the preview block.
-    var previewBlock = previewWorkspace.newBlock(blockType);
-    previewBlock.initSvg();
-    previewBlock.render();
-    previewBlock.setMovable(false);
-    previewBlock.setDeletable(false);
-    previewBlock.moveBy(15, 10);
-    previewWorkspace.clearUndo();
-
-    updateGenerator(previewBlock);
-  } finally {
-    Blockly.Blocks = backupBlocks;
-  }
-}
-
-/**
- * Inject code into a pre tag, with syntax highlighting.
- * Safe from HTML/script injection.
- * @param {string} code Lines of code.
- * @param {string} id ID of <pre> element to inject into.
- */
-function injectCode(code, id) {
-  var pre = document.getElementById(id);
-  pre.textContent = code;
-  // Remove the 'prettyprinted' class, so that Prettify will recalculate.
-  pre.className = pre.className.replace('prettyprinted', '');
-  PR.prettyPrint();
-}
-
-/**
- * Return the uneditable container block that everything else attaches to.
- * @return {Blockly.Block}
- */
-function getRootBlock() {
-  var blocks = mainWorkspace.getTopBlocks(false);
-  for (var i = 0, block; block = blocks[i]; i++) {
-    if (block.type == 'factory_base') {
-      return block;
-    }
-  }
-  return null;
-}
-
-/**
- * Disable the link button if the format is 'Manual', enable otherwise.
- */
-function disableEnableLink() {
-  var linkButton = document.getElementById('linkButton');
-  linkButton.disabled = document.getElementById('format').value == 'Manual';
-}
-
-/**
- * Initialize Blockly and layout.  Called on page load.
- */
-function init() {
-  if ('BlocklyStorage' in window) {
-    BlocklyStorage.HTTPREQUEST_ERROR =
-        'There was a problem with the request.\n';
-    BlocklyStorage.LINK_ALERT =
-        'Share your blocks with this link:\n\n%1';
-    BlocklyStorage.HASH_ERROR =
-        'Sorry, "%1" doesn\'t correspond with any saved Blockly file.';
-    BlocklyStorage.XML_ERROR = 'Could not load your saved file.\n'+
-        'Perhaps it was created with a different version of Blockly?';
-    var linkButton = document.getElementById('linkButton');
-    linkButton.style.display = 'inline-block';
-    linkButton.addEventListener('click',
-        function() {BlocklyStorage.link(mainWorkspace);});
-    disableEnableLink();
-  }
-
-  document.getElementById('helpButton').addEventListener('click',
-    function() {
-      open('https://developers.google.com/blockly/guides/create-custom-blocks/block-factory',
-           'BlockFactoryHelp');
-    });
-
-  var expandList = [
-    document.getElementById('blockly'),
-    document.getElementById('blocklyMask'),
-    document.getElementById('preview'),
-    document.getElementById('languagePre'),
-    document.getElementById('languageTA'),
-    document.getElementById('generatorPre')
-  ];
-  var onresize = function(e) {
-    for (var i = 0, expand; expand = expandList[i]; i++) {
-      expand.style.width = (expand.parentNode.offsetWidth - 2) + 'px';
-      expand.style.height = (expand.parentNode.offsetHeight - 2) + 'px';
-    }
-  };
-  onresize();
-  window.addEventListener('resize', onresize);
-
-  var toolbox = document.getElementById('toolbox');
-  mainWorkspace = Blockly.inject('blockly',
-      {collapse: false,
-       toolbox: toolbox,
-       media: '../../media/'});
-
-  // Create the root block.
-  if ('BlocklyStorage' in window && window.location.hash.length > 1) {
-    BlocklyStorage.retrieveXml(window.location.hash.substring(1),
-                               mainWorkspace);
-  } else {
-    var xml = '<xml xmlns="https://developers.google.com/blockly/xml"><block type="factory_base" deletable="false" movable="false"></block></xml>';
-    Blockly.Xml.domToWorkspace(Blockly.Xml.textToDom(xml), mainWorkspace);
-  }
-  mainWorkspace.clearUndo();
-
-  mainWorkspace.addChangeListener(Blockly.Events.disableOrphans);
-  mainWorkspace.addChangeListener(updateLanguage);
-  document.getElementById('direction')
-      .addEventListener('change', updatePreview);
-  document.getElementById('languageTA')
-      .addEventListener('change', updatePreview);
-  document.getElementById('languageTA')
-      .addEventListener('keyup', updatePreview);
-  document.getElementById('format')
-      .addEventListener('change', formatChange);
-  document.getElementById('language')
-      .addEventListener('change', updatePreview);
-}
-window.addEventListener('load', init);
diff --git a/demos/blockfactory_old/icon.png b/demos/blockfactory_old/icon.png
deleted file mode 100644
index 4f8b72f41ed..00000000000
Binary files a/demos/blockfactory_old/icon.png and /dev/null differ
diff --git a/demos/blockfactory_old/index.html b/demos/blockfactory_old/index.html
deleted file mode 100644
index 7cc448f8168..00000000000
--- a/demos/blockfactory_old/index.html
+++ /dev/null
@@ -1,224 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <meta name="viewport" content="target-densitydpi=device-dpi, height=660, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
-  <title>Blockly Demo: Block Factory</title>
-  <script src="/storage.js"></script>
-  <script src="factory.js"></script>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
-  <script src="blocks.js"></script>
-  <style>
-    html, body {
-      height: 100%;
-    }
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-      margin: 0 5px;
-      overflow: hidden
-    }
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-    h3 {
-      margin-top: 5px;
-      margin-bottom: 0;
-    }
-    table {
-      height: 100%;
-      width: 100%;
-    }
-    td {
-      vertical-align: top;
-      padding: 0;
-    }
-    #blockly {
-      position: fixed;
-    }
-    #blocklyMask {
-      background-color: #000;
-      cursor: not-allowed;
-      display: none;
-      position: fixed;
-      opacity: 0.2;
-      z-index: 9;
-    }
-    #preview {
-      position: absolute;
-    }
-    pre,
-    #languageTA {
-      border: #ddd 1px solid;
-      margin-top: 0;
-      position: absolute;
-      overflow: scroll;
-    }
-    #languageTA {
-      display: none;
-      font-family: monospace;
-      font-size: 10pt;
-    }
-
-    button {
-      border-radius: 4px;
-      border: 1px solid #ddd;
-      background-color: #eee;
-      color: #000;
-      padding: 10px;
-      margin: 0 5px;
-      font-size: large;
-    }
-    button:hover:not(:disabled) {
-      box-shadow: 2px 2px 5px #888;
-    }
-    button:disabled {
-      opacity: 0.6;
-    }
-    button>* {
-      opacity: 0.6;
-      vertical-align: text-bottom;
-    }
-    button:hover:not(:disabled)>* {
-      opacity: 1;
-    }
-    #linkButton {
-      display: none;
-    }
-  </style>
-  <script src="https://cdn.rawgit.com/google/code-prettify/master/loader/run_prettify.js"></script>
-</head>
-<body>
-  <table>
-    <tr>
-      <td width="50%" height="5%">
-        <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-          <a href="../index.html">Demos</a> &gt; Block Factory</h1>
-      </td>
-      <td width="50%" height="5%">
-        <table>
-          <tr>
-            <td style="vertical-align: bottom;">
-              <h3>Preview:
-                <select id="direction">
-                  <option value="ltr">LTR</option>
-                  <option value="rtl">RTL</option>
-                </select>
-              </h3>
-            </td>
-            <td style="vertical-align: middle; text-align: right;">
-              <button id="linkButton" title="Save and link to blocks.">
-                <img src="link.png" height="21" width="21">
-              </button>
-              <button id="linkButton" title="Save and link to blocks.">
-                <img src="link.png" height="21" width="21">
-              </button>
-              <button id="helpButton" title="View documentation in new window.">
-                <span>Help</span>
-              </button>
-            </td>
-          </tr>
-        </table>
-      </td>
-    </tr>
-    <tr>
-      <td width="50%" height="95%" style="padding: 2px;">
-        <div id="blockly"></div>
-        <div id="blocklyMask"></div>
-      </td>
-      <td width="50%" height="95%">
-        <table>
-          <tr>
-            <td height="30%">
-              <div id="preview"></div>
-            </td>
-          </tr>
-          <tr>
-            <td height="5%">
-              <h3>Language code:
-                <select id="format">
-                  <option value="JSON">JSON</option>
-                  <option value="JavaScript">JavaScript</option>
-                  <option value="Manual">Manual edit&hellip;</option>
-                </select>
-              </h3>
-            </td>
-          </tr>
-          <tr>
-            <td height="30%">
-              <pre id="languagePre" class="prettyprint lang-js"></pre>
-              <textarea id="languageTA"></textarea>
-            </td>
-          </tr>
-          <tr>
-            <td height="5%">
-              <h3>Generator stub:
-                <select id="language">
-                  <option value="JavaScript">JavaScript</option>
-                  <option value="Python">Python</option>
-                  <option value="PHP">PHP</option>
-                  <option value="Lua">Lua</option>
-                  <option value="Dart">Dart</option>
-                </select>
-              </h3>
-            </td>
-          </tr>
-          <tr>
-            <td height="30%">
-              <pre id="generatorPre" class="prettyprint lang-js"></pre>
-            </td>
-          </tr>
-        </table>
-      </td>
-    </tr>
-  </table>
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
-    <category name="Input">
-      <block type="input_value">
-        <value name="TYPE">
-          <shadow type="type_null"></shadow>
-        </value>
-      </block>
-      <block type="input_statement">
-        <value name="TYPE">
-          <shadow type="type_null"></shadow>
-        </value>
-      </block>
-      <block type="input_dummy"></block>
-    </category>
-    <category name="Field">
-      <block type="field_static"></block>
-      <block type="field_input"></block>
-      <block type="field_number"></block>
-      <block type="field_angle"></block>
-      <block type="field_dropdown"></block>
-      <block type="field_checkbox"></block>
-      <block type="field_colour"></block>
-      <block type="field_variable"></block>
-      <block type="field_image"></block>
-    </category>
-    <category name="Type">
-      <block type="type_group"></block>
-      <block type="type_null"></block>
-      <block type="type_boolean"></block>
-      <block type="type_number"></block>
-      <block type="type_string"></block>
-      <block type="type_list"></block>
-      <block type="type_other"></block>
-    </category>
-    <category name="Colour" id="colourCategory">
-      <block type="colour_hue"><mutation colour="20"></mutation><field name="HUE">20</field></block>
-      <block type="colour_hue"><mutation colour="65"></mutation><field name="HUE">65</field></block>
-      <block type="colour_hue"><mutation colour="120"></mutation><field name="HUE">120</field></block>
-      <block type="colour_hue"><mutation colour="160"></mutation><field name="HUE">160</field></block>
-      <block type="colour_hue"><mutation colour="210"></mutation><field name="HUE">210</field></block>
-      <block type="colour_hue"><mutation colour="230"></mutation><field name="HUE">230</field></block>
-      <block type="colour_hue"><mutation colour="260"></mutation><field name="HUE">260</field></block>
-      <block type="colour_hue"><mutation colour="290"></mutation><field name="HUE">290</field></block>
-      <block type="colour_hue"><mutation colour="330"></mutation><field name="HUE">330</field></block>
-    </category>
-  </xml>
-</body>
-</html>
diff --git a/demos/blockfactory_old/link.png b/demos/blockfactory_old/link.png
deleted file mode 100644
index 11dfd82845e..00000000000
Binary files a/demos/blockfactory_old/link.png and /dev/null differ
diff --git a/demos/code/code.js b/demos/code/code.js
index 0c27653252f..c264ff2dc9d 100644
--- a/demos/code/code.js
+++ b/demos/code/code.js
@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview JavaScript for Blockly's Code demo.
- * @author fraser@google.com (Neil Fraser)
  */
 'use strict';
 
@@ -33,6 +32,7 @@ Code.LANGUAGE_NAME = {
   'fa': 'فارسی',
   'fr': 'Français',
   'he': 'עברית',
+  'hr': 'Hrvatski',
   'hrx': 'Hunsrik',
   'hu': 'Magyar',
   'ia': 'Interlingua',
@@ -106,7 +106,7 @@ Code.getLang = function() {
  * @return {boolean} True if RTL, false if LTR.
  */
 Code.isRtl = function() {
-  return Code.LANGUAGE_RTL.indexOf(Code.LANG) != -1;
+  return Code.LANGUAGE_RTL.includes(Code.LANG);
 };
 
 /**
@@ -127,11 +127,11 @@ Code.loadBlocks = function(defaultXml) {
   } else if (loadOnce) {
     // Language switching stores the blocks during the reload.
     delete window.sessionStorage.loadOnceBlocks;
-    var xml = Blockly.Xml.textToDom(loadOnce);
+    var xml = Blockly.utils.xml.textToDom(loadOnce);
     Blockly.Xml.domToWorkspace(xml, Code.workspace);
   } else if (defaultXml) {
     // Load the editor with default starting blocks.
-    var xml = Blockly.Xml.textToDom(defaultXml);
+    var xml = Blockly.utils.xml.textToDom(defaultXml);
     Blockly.Xml.domToWorkspace(xml, Code.workspace);
   } else if ('BlocklyStorage' in window) {
     // Restore saved blocks in a separate thread so that subsequent
@@ -184,11 +184,16 @@ Code.changeCodingLanguage = function() {
  * @param {!Function} func Event handler to bind.
  */
 Code.bindClick = function(el, func) {
-  if (typeof el == 'string') {
+  if (typeof el === 'string') {
     el = document.getElementById(el);
   }
   el.addEventListener('click', func, true);
-  el.addEventListener('touchend', func, true);
+  function touchFunc(e) {
+    // Prevent code from being executed twice on touchscreens.
+    e.preventDefault();
+    func(e);
+  }
+  el.addEventListener('touchend', touchFunc, true);
 };
 
 /**
@@ -196,7 +201,7 @@ Code.bindClick = function(el, func) {
  */
 Code.importPrettify = function() {
   var script = document.createElement('script');
-  script.setAttribute('src', 'https://cdn.rawgit.com/google/code-prettify/master/loader/run_prettify.js');
+  script.setAttribute('src', 'https://cdn.jsdelivr.net/gh/google/code-prettify@master/loader/run_prettify.js');
   document.head.appendChild(script);
 };
 
@@ -234,14 +239,16 @@ Code.LANG = Code.getLang();
  * List of tab names.
  * @private
  */
-Code.TABS_ = ['blocks', 'javascript', 'php', 'python', 'dart', 'lua', 'xml'];
+Code.TABS_ = [
+  'blocks', 'javascript', 'php', 'python', 'dart', 'lua', 'xml', 'json'
+];
 
 /**
  * List of tab names with casing, for display in the UI.
  * @private
  */
 Code.TABS_DISPLAY_ = [
-  'Blocks', 'JavaScript', 'PHP', 'Python', 'Dart', 'Lua', 'XML',
+  'Blocks', 'JavaScript', 'PHP', 'Python', 'Dart', 'Lua', 'XML', 'JSON'
 ];
 
 Code.selected = 'blocks';
@@ -257,10 +264,10 @@ Code.tabClick = function(clickedName) {
     var xmlText = xmlTextarea.value;
     var xmlDom = null;
     try {
-      xmlDom = Blockly.Xml.textToDom(xmlText);
+      xmlDom = Blockly.utils.xml.textToDom(xmlText);
     } catch (e) {
-      var q =
-          window.confirm(MSG['badXml'].replace('%1', e));
+      var q = window.confirm(
+          MSG['parseError'].replace(/%1/g, 'XML').replace('%2', e));
       if (!q) {
         // Leave the user on the XML tab.
         return;
@@ -272,6 +279,25 @@ Code.tabClick = function(clickedName) {
     }
   }
 
+  if (document.getElementById('tab_json').classList.contains('tabon')) {
+    var jsonTextarea = document.getElementById('content_json');
+    var jsonText = jsonTextarea.value;
+    var json = null;
+    try {
+      json = JSON.parse(jsonText);
+    } catch (e) {
+      var q = window.confirm(
+          MSG['parseError'].replace(/%1/g, 'JSON').replace('%2', e));
+      if (!q) {
+        // Leave the user on the JSON tab.
+        return;
+      }
+    }
+    if (json) {
+      Blockly.serialization.workspaces.load(json, Code.workspace);
+    }
+  }
+
   if (document.getElementById('tab_blocks').classList.contains('tabon')) {
     Code.workspace.setVisible(false);
   }
@@ -295,7 +321,7 @@ Code.tabClick = function(clickedName) {
   Code.renderContent();
   // The code menu tab is on if the blocks tab is off.
   var codeMenuTab = document.getElementById('tab_code');
-  if (clickedName == 'blocks') {
+  if (clickedName === 'blocks') {
     Code.workspace.setVisible(true);
     codeMenuTab.className = 'taboff';
   } else {
@@ -304,7 +330,7 @@ Code.tabClick = function(clickedName) {
   // Sync the menu's value with the clicked tab value if needed.
   var codeMenu = document.getElementById('code_menu');
   for (var i = 0; i < codeMenu.options.length; i++) {
-    if (codeMenu.options[i].value == clickedName) {
+    if (codeMenu.options[i].value === clickedName) {
       codeMenu.selectedIndex = i;
       break;
     }
@@ -318,31 +344,36 @@ Code.tabClick = function(clickedName) {
 Code.renderContent = function() {
   var content = document.getElementById('content_' + Code.selected);
   // Initialize the pane.
-  if (content.id == 'content_xml') {
+  if (content.id === 'content_xml') {
     var xmlTextarea = document.getElementById('content_xml');
     var xmlDom = Blockly.Xml.workspaceToDom(Code.workspace);
     var xmlText = Blockly.Xml.domToPrettyText(xmlDom);
     xmlTextarea.value = xmlText;
     xmlTextarea.focus();
-  } else if (content.id == 'content_javascript') {
-    Code.attemptCodeGeneration(Blockly.JavaScript);
-  } else if (content.id == 'content_python') {
-    Code.attemptCodeGeneration(Blockly.Python);
-  } else if (content.id == 'content_php') {
-    Code.attemptCodeGeneration(Blockly.PHP);
-  } else if (content.id == 'content_dart') {
-    Code.attemptCodeGeneration(Blockly.Dart);
-  } else if (content.id == 'content_lua') {
-    Code.attemptCodeGeneration(Blockly.Lua);
+  } else if (content.id === 'content_json') {
+    var jsonTextarea = document.getElementById('content_json');
+    jsonTextarea.value = JSON.stringify(
+        Blockly.serialization.workspaces.save(Code.workspace), null, 2);
+    jsonTextarea.focus();
+  } else if (content.id === 'content_javascript') {
+    Code.attemptCodeGeneration(javascript.javascriptGenerator);
+  } else if (content.id === 'content_python') {
+    Code.attemptCodeGeneration(python.pythonGenerator);
+  } else if (content.id === 'content_php') {
+    Code.attemptCodeGeneration(php.phpGenerator);
+  } else if (content.id === 'content_dart') {
+    Code.attemptCodeGeneration(dart.dartGenerator);
+  } else if (content.id === 'content_lua') {
+    Code.attemptCodeGeneration(lua.luaGenerator);
   }
-  if (typeof PR == 'object') {
+  if (typeof PR === 'object') {
     PR.prettyPrint();
   }
 };
 
 /**
  * Attempt to generate the code and display it in the UI, pretty printed.
- * @param generator {!Blockly.Generator} The generator to use.
+ * @param generator {!Blockly.CodeGenerator} The generator to use.
  */
 Code.attemptCodeGeneration = function(generator) {
   var content = document.getElementById('content_' + Code.selected);
@@ -357,25 +388,25 @@ Code.attemptCodeGeneration = function(generator) {
 
 /**
  * Check whether all blocks in use have generator functions.
- * @param generator {!Blockly.Generator} The generator to use.
+ * @param generator {!Blockly.CodeGenerator} The generator to use.
  */
 Code.checkAllGeneratorFunctionsDefined = function(generator) {
   var blocks = Code.workspace.getAllBlocks(false);
   var missingBlockGenerators = [];
   for (var i = 0; i < blocks.length; i++) {
     var blockType = blocks[i].type;
-    if (!generator[blockType]) {
-      if (missingBlockGenerators.indexOf(blockType) == -1) {
+    if (!generator.forBlock[blockType]) {
+      if (!missingBlockGenerators.includes(blockType)) {
         missingBlockGenerators.push(blockType);
       }
     }
   }
 
-  var valid = missingBlockGenerators.length == 0;
+  var valid = missingBlockGenerators.length === 0;
   if (!valid) {
     var msg = 'The generator code for the following blocks not specified for ' +
         generator.name_ + ':\n - ' + missingBlockGenerators.join('\n - ');
-    Blockly.alert(msg);  // Assuming synchronous. No callback.
+    Blockly.dialog.alert(msg);  // Assuming synchronous. No callback.
   }
   return valid;
 };
@@ -419,7 +450,7 @@ Code.init = function() {
   // TODO: Clean up the message files so this is done explicitly instead of
   // through this for-loop.
   for (var messageKey in MSG) {
-    if (messageKey.indexOf('cat') == 0) {
+    if (messageKey.startsWith('cat')) {
       Blockly.Msg[messageKey.toUpperCase()] = MSG[messageKey];
     }
   }
@@ -428,7 +459,7 @@ Code.init = function() {
   var toolboxText = document.getElementById('toolbox').outerHTML;
   toolboxText = toolboxText.replace(/(^|[^%]){(\w+)}/g,
       function(m, p1, p2) {return p1 + MSG[p2];});
-  var toolboxXml = Blockly.Xml.textToDom(toolboxText);
+  var toolboxXml = Blockly.utils.xml.textToDom(toolboxText);
 
   Code.workspace = Blockly.inject('content_blocks',
       {grid:
@@ -446,7 +477,7 @@ Code.init = function() {
 
   // Add to reserved word list: Local variables in execution environment (runJS)
   // and the infinite loop detection function.
-  Blockly.JavaScript.addReservedWords('code,timeouts,checkTimeout');
+  javascript.javascriptGenerator.addReservedWords('code,timeouts,checkTimeout');
 
   Code.loadBlocks('');
 
@@ -466,7 +497,7 @@ Code.init = function() {
     BlocklyStorage['HTTPREQUEST_ERROR'] = MSG['httpRequestError'];
     BlocklyStorage['LINK_ALERT'] = MSG['linkAlert'];
     BlocklyStorage['HASH_ERROR'] = MSG['hashError'];
-    BlocklyStorage['XML_ERROR'] = MSG['xmlError'];
+    BlocklyStorage['XML_ERROR'] = MSG['loadError'];
     Code.bindClick(linkButton,
         function() {BlocklyStorage.link(Code.workspace);});
   } else if (linkButton) {
@@ -521,7 +552,7 @@ Code.initLanguage = function() {
     var tuple = languages[i];
     var lang = tuple[tuple.length - 1];
     var option = new Option(tuple[0], lang);
-    if (lang == Code.LANG) {
+    if (lang === Code.LANG) {
       option.selected = true;
     }
     languageMenu.options.add(option);
@@ -549,17 +580,23 @@ Code.initLanguage = function() {
 /**
  * Execute the user's code.
  * Just a quick and dirty eval.  Catch infinite loops.
+ * @param {Event} event Event created from listener bound to the function.
  */
-Code.runJS = function() {
-  Blockly.JavaScript.INFINITE_LOOP_TRAP = 'checkTimeout();\n';
+Code.runJS = function(event) {
+  // Prevent code from being executed twice on touchscreens.
+  if (event.type === 'touchend') {
+    event.preventDefault();
+  }
+
+  javascript.javascriptGenerator.INFINITE_LOOP_TRAP = 'checkTimeout();\n';
   var timeouts = 0;
   var checkTimeout = function() {
     if (timeouts++ > 1000000) {
       throw MSG['timeout'];
     }
   };
-  var code = Blockly.JavaScript.workspaceToCode(Code.workspace);
-  Blockly.JavaScript.INFINITE_LOOP_TRAP = null;
+  var code = javascript.javascriptGenerator.workspaceToCode(Code.workspace);
+  javascript.javascriptGenerator.INFINITE_LOOP_TRAP = null;
   try {
     eval(code);
   } catch (e) {
@@ -584,6 +621,6 @@ Code.discard = function() {
 // Load the Code demo's language strings.
 document.write('<script src="msg/' + Code.LANG + '.js"></script>\n');
 // Load Blockly's language strings.
-document.write('<script src="../../msg/js/' + Code.LANG + '.js"></script>\n');
+document.write('<script src="../../build/msg/' + Code.LANG + '.js"></script>\n');
 
 window.addEventListener('load', Code.init);
diff --git a/demos/code/index.html b/demos/code/index.html
index 9fd858aeffa..d8f894607f7 100644
--- a/demos/code/index.html
+++ b/demos/code/index.html
@@ -7,13 +7,13 @@
   <title>Blockly Demo:</title>
   <link rel="stylesheet" href="style.css">
   <script src="/storage.js"></script>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../javascript_compressed.js"></script>
-  <script src="../../python_compressed.js"></script>
-  <script src="../../php_compressed.js"></script>
-  <script src="../../lua_compressed.js"></script>
-  <script src="../../dart_compressed.js"></script>
+  <script src="../../dist/blockly_compressed.js"></script>
+  <script src="../../dist/blocks_compressed.js"></script>
+  <script src="../../dist/javascript_compressed.js"></script>
+  <script src="../../dist/python_compressed.js"></script>
+  <script src="../../dist/php_compressed.js"></script>
+  <script src="../../dist/lua_compressed.js"></script>
+  <script src="../../dist/dart_compressed.js"></script>
   <script src="code.js"></script>
 </head>
 <body>
@@ -47,6 +47,8 @@ <h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt;
             <td id="tab_dart" class="taboff tab_collapse">Dart</td>
             <td class="tabmin tab_collapse">&nbsp;</td>
             <td id="tab_xml" class="taboff tab_collapse">XML</td>
+            <td class="tabmin tab_collapse">&nbsp;</td>
+            <td id="tab_json" class="taboff tab_collapse">JSON</td>
             <td class="tabmin">&nbsp;</td>
             <td id="tab_code" class="taboff">
               <select id="code_menu"></select>
@@ -78,6 +80,7 @@ <h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt;
   <pre id="content_lua" class="content prettyprint lang-lua"></pre>
   <pre id="content_dart" class="content prettyprint lang-dart"></pre>
   <textarea id="content_xml" class="content" wrap="off"></textarea>
+  <textarea id="content_json" class="content" wrap="off"></textarea>
 
   <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
     <category name="%{BKY_CATLOGIC}" colour="%{BKY_LOGIC_HUE}">
@@ -347,44 +350,6 @@ <h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt;
       </block>
       <block type="lists_sort"></block>
     </category>
-    <category name="%{BKY_CATCOLOUR}" colour="%{BKY_COLOUR_HUE}">
-      <block type="colour_picker"></block>
-      <block type="colour_random"></block>
-      <block type="colour_rgb">
-        <value name="RED">
-          <shadow type="math_number">
-            <field name="NUM">100</field>
-          </shadow>
-        </value>
-        <value name="GREEN">
-          <shadow type="math_number">
-            <field name="NUM">50</field>
-          </shadow>
-        </value>
-        <value name="BLUE">
-          <shadow type="math_number">
-            <field name="NUM">0</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="colour_blend">
-        <value name="COLOUR1">
-          <shadow type="colour_picker">
-            <field name="COLOUR">#ff0000</field>
-          </shadow>
-        </value>
-        <value name="COLOUR2">
-          <shadow type="colour_picker">
-            <field name="COLOUR">#3333ff</field>
-          </shadow>
-        </value>
-        <value name="RATIO">
-          <shadow type="math_number">
-            <field name="NUM">0.5</field>
-          </shadow>
-        </value>
-      </block>
-    </category>
     <sep></sep>
     <category name="%{BKY_CATVARIABLES}" colour="%{BKY_VARIABLES_HUE}" custom="VARIABLE"></category>
     <category name="%{BKY_CATFUNCTIONS}" colour="%{BKY_PROCEDURES_HUE}" custom="PROCEDURE"></category>
diff --git a/demos/code/msg/ar.js b/demos/code/msg/ar.js
index 952198b21d6..7a4521d4566 100644
--- a/demos/code/msg/ar.js
+++ b/demos/code/msg/ar.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "كانت هناك مشكلة مع هذا الطلب.",
   linkAlert: "مشاركة كود بلوكلي الخاص بك مع هذا الرابط:\n %1",
   hashError: "عذراً،ال '%1' لا تتوافق مع أي برنامج تم حفظه.",
-  xmlError: "تعذر تحميل الملف المحفوظة الخاصة بك.  ربما تم إنشاؤه باستخدام إصدار مختلف من بلوكلي؟",
-  badXml: "خطأ في توزيع ال \"XML\":\n %1\n\nحدد 'موافق' للتخلي عن التغييرات أو 'إلغاء الأمر' لمواصلة تحرير ال\"XML\"."
+  loadError: "تعذر تحميل الملف المحفوظة الخاصة بك.  ربما تم إنشاؤه باستخدام إصدار مختلف من بلوكلي؟",
+  parseError: "خطأ في توزيع ال \"%1\":\n %2\n\nحدد 'موافق' للتخلي عن التغييرات أو 'إلغاء الأمر' لمواصلة تحرير ال\"%1\"."
 };
diff --git a/demos/code/msg/be-tarask.js b/demos/code/msg/be-tarask.js
index 5c8d72264a0..3f32173d00c 100644
--- a/demos/code/msg/be-tarask.js
+++ b/demos/code/msg/be-tarask.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Узьнікла праблема з запытам.",
   linkAlert: "Падзяліцца Вашым блёкам праз гэтую спасылку:\n\n%1",
   hashError: "Прабачце, '%1' не адпавядае ніводнай захаванай праграме.",
-  xmlError: "Не атрымалася загрузіць захаваны файл. Магчыма, ён быў створаны з іншай вэрсіяй Блёклі?",
-  badXml: "Памылка сынтаксічнага аналізу XML:\n%1\n\nАбярыце \"ОК\", каб адмовіцца ад зьменаў ці \"Скасаваць\" для далейшага рэдагаваньня XML."
+  loadError: "Не атрымалася загрузіць захаваны файл. Магчыма, ён быў створаны з іншай вэрсіяй Блёклі?",
+  parseError: "Памылка сынтаксічнага аналізу %1:\n%2\n\nАбярыце \"ОК\", каб адмовіцца ад зьменаў ці \"Скасаваць\" для далейшага рэдагаваньня %1."
 };
diff --git a/demos/code/msg/br.js b/demos/code/msg/br.js
index 321e28e58dc..1a283245c12 100644
--- a/demos/code/msg/br.js
+++ b/demos/code/msg/br.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Ur gudenn zo gant ar reked.",
   linkAlert: "Rannañ ho ploc'hoù gant al liamm-mañ :\n\n%1",
   hashError: "Digarezit. \"%1\" ne glot gant programm enrollet ebet.",
-  xmlError: "Ne c'haller ket kargañ ho restr enrollet. Marteze e oa bet krouet gant ur stumm disheñvel eus Blockly ?",
-  badXml: "Fazi dielfennañ XML :\n%1\n\nDibabit \"Mat eo\" evit dilezel ar c'hemmoù-se pe \"Nullañ\" evit kemmañ an XML c'hoazh."
+  loadError: "Ne c'haller ket kargañ ho restr enrollet. Marteze e oa bet krouet gant ur stumm disheñvel eus Blockly ?",
+  parseError: "Fazi dielfennañ %1 :\n%2\n\nDibabit \"Mat eo\" evit dilezel ar c'hemmoù-se pe \"Nullañ\" evit kemmañ an %1 c'hoazh."
 };
diff --git a/demos/code/msg/ca.js b/demos/code/msg/ca.js
index 2b6d9738eed..0ec5840508a 100644
--- a/demos/code/msg/ca.js
+++ b/demos/code/msg/ca.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Hi ha hagut un problema amb la sol·licitud.",
   linkAlert: "Comparteix els teus blocs amb aquest enllaç: %1",
   hashError: "Ho sentim, '%1' no es correspon amb cap fitxer desat de Blockly.",
-  xmlError: "No s'ha pogut carregar el teu fitxer desat.  Potser va ser creat amb una versió diferent de Blockly?",
-  badXml: "Error d'anàlisi XML:\n%1\n\nSeleccioneu 'Acceptar' per abandonar els vostres canvis, o 'Cancel·lar' per continuar editant l'XML."
+  loadError: "No s'ha pogut carregar el teu fitxer desat.  Potser va ser creat amb una versió diferent de Blockly?",
+  parseError: "Error d'anàlisi %1:\n%2\n\nSeleccioneu 'Acceptar' per abandonar els vostres canvis, o 'Cancel·lar' per continuar editant l'%1."
 };
diff --git a/demos/code/msg/cs.js b/demos/code/msg/cs.js
index 1026511e3a7..0cdd38bb3ff 100644
--- a/demos/code/msg/cs.js
+++ b/demos/code/msg/cs.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Došlo k potížím s požadavkem.",
   linkAlert: "Sdílej bloky tímto odkazem: \n\n%1",
   hashError: "Omlouváme se, '%1' nesouhlasí s žádným z uložených souborů.",
-  xmlError: "Nepodařilo se uložit vás soubor.  Pravděpodobně byl vytvořen jinou verzí Blockly?",
-  badXml: "Chyba parsování XML:\n%1\n\nVybrat \"OK\" pro zahození vašich změn nebo 'Cancel' k dalšímu upravování XML."
+  loadError: "Nepodařilo se uložit vás soubor.  Pravděpodobně byl vytvořen jinou verzí Blockly?",
+  parseError: "Chyba parsování %1:\n%2\n\nVybrat \"OK\" pro zahození vašich změn nebo 'Cancel' k dalšímu upravování %1."
 };
diff --git a/demos/code/msg/da.js b/demos/code/msg/da.js
index 089450b2db9..0b2493be34c 100644
--- a/demos/code/msg/da.js
+++ b/demos/code/msg/da.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Der var et problem med forespørgslen.",
   linkAlert: "Del dine blokke med dette link:\n\n%1",
   hashError: "Beklager, '%1' passer ikke med nogen gemt Blockly fil.",
-  xmlError: "Kunne ikke hente din gemte fil.  Måske er den lavet med en anden udgave af Blockly?",
-  badXml: "Fejl under fortolkningen af XML:\n%1\n\nVælg 'OK' for at opgive dine ændringer eller 'Afbryd' for at redigere XML-filen yderligere."
+  loadError: "Kunne ikke hente din gemte fil.  Måske er den lavet med en anden udgave af Blockly?",
+  parseError: "Fejl under fortolkningen af %1:\n%2\n\nVælg 'OK' for at opgive dine ændringer eller 'Afbryd' for at redigere %1-filen yderligere."
 };
diff --git a/demos/code/msg/de.js b/demos/code/msg/de.js
index 422f9187d19..bc2f3bee850 100644
--- a/demos/code/msg/de.js
+++ b/demos/code/msg/de.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Mit der Anfrage gab es ein Problem.",
   linkAlert: "Teile deine Bausteine mit diesem Link:\n\n%1",
   hashError: "„%1“ stimmt leider mit keinem gespeicherten Programm überein.",
-  xmlError: "Deine gespeicherte Datei konnte nicht geladen werden. Vielleicht wurde sie mit einer anderen Version von Blockly erstellt.",
-  badXml: "Fehler beim Parsen von XML:\n%1\n\nWähle 'OK' zum Verwerfen deiner Änderungen oder 'Abbrechen' zum weiteren Bearbeiten des XML."
+  loadError: "Deine gespeicherte Datei konnte nicht geladen werden. Vielleicht wurde sie mit einer anderen Version von Blockly erstellt.",
+  parseError: "Fehler beim Parsen von %1:\n%2\n\nWähle 'OK' zum Verwerfen deiner Änderungen oder 'Abbrechen' zum weiteren Bearbeiten des %1."
 };
diff --git a/demos/code/msg/el.js b/demos/code/msg/el.js
index c63b7a6851f..ad5b3f15cb1 100644
--- a/demos/code/msg/el.js
+++ b/demos/code/msg/el.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Υπήρξε πρόβλημα με το αίτημα.",
   linkAlert: "Κοινοποίησε τα μπλοκ σου με αυτόν τον σύνδεσμο:\n\n%1",
   hashError: "Λυπάμαι, το «%1» δεν αντιστοιχεί σε κανένα αποθηκευμένο πρόγραμμα.",
-  xmlError: "Δεν μπορώ να φορτώσω το αποθηκευμένο αρχείο σου.  Μήπως δημιουργήθηκε από μία παλιότερη έκδοση του Blockly;",
-  badXml: "Σφάλμα ανάλυσης XML:\n%1\n\nΕπίλεξε «Εντάξει» για να εγκαταλείψεις τις αλλαγές σου ή «Ακύρωση» για να επεξεργαστείς το XML κι άλλο."
+  loadError: "Δεν μπορώ να φορτώσω το αποθηκευμένο αρχείο σου.  Μήπως δημιουργήθηκε από μία παλιότερη έκδοση του Blockly;",
+  parseError: "Σφάλμα ανάλυσης %1:\n%2\n\nΕπίλεξε «Εντάξει» για να εγκαταλείψεις τις αλλαγές σου ή «Ακύρωση» για να επεξεργαστείς το %1 κι άλλο."
 };
diff --git a/demos/code/msg/en.js b/demos/code/msg/en.js
index d853826f0ae..212ea17a2de 100644
--- a/demos/code/msg/en.js
+++ b/demos/code/msg/en.js
@@ -17,8 +17,8 @@ var MSG = {
   listVariable: "list",
   textVariable: "text",
   httpRequestError: "There was a problem with the request.",
-  linkAlert: "Share your blocks with this public link. We\'ll delete them if not used for a year. They are not associated with your account and handled as per Google\'s Privacy Policy. Please be sure not to include any private information.:\n\n%1",
+  linkAlert: "Share your blocks with this public link. We\'ll delete them if not used for a year. They are not associated with your account and handled as per Google\'s Privacy Policy. Please be sure not to include any private information.\n\n%1",
   hashError: "Sorry, '%1' doesn't correspond with any saved program.",
-  xmlError: "Could not load your saved file. Perhaps it was created with a different version of Blockly?",
-  badXml: "Error parsing XML:\n%1\n\nSelect 'OK' to abandon your changes or 'Cancel' to further edit the XML."
+  loadError: "Could not load your saved file. Perhaps it was created with a different version of Blockly?",
+  parseError: "Error parsing %1:\n%2\n\nSelect 'OK' to abandon your changes or 'Cancel' to further edit the %1."
 };
diff --git a/demos/code/msg/es.js b/demos/code/msg/es.js
index 24358e368df..7b9b9995a47 100644
--- a/demos/code/msg/es.js
+++ b/demos/code/msg/es.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Hubo un problema con la petición.",
   linkAlert: "Comparte tus bloques con este enlace:\n\n%1",
   hashError: "«%1» no corresponde con ningún programa guardado.",
-  xmlError: "No se pudo cargar el archivo guardado.  ¿Quizá fue creado con otra versión de Blockly?",
-  badXml: "Error de análisis XML:\n%1\n\nSelecciona OK para abandonar tus cambios o Cancelar para seguir editando el XML."
+  loadError: "No se pudo cargar el archivo guardado.  ¿Quizá fue creado con otra versión de Blockly?",
+  parseError: "Error de análisis %1:\n%2\n\nSelecciona OK para abandonar tus cambios o Cancelar para seguir editando el %1."
 };
diff --git a/demos/code/msg/et.js b/demos/code/msg/et.js
index 320c3917426..3437925cd27 100644
--- a/demos/code/msg/et.js
+++ b/demos/code/msg/et.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Probleem päringuga.",
   linkAlert: "Oma plokke saad jagada selle lingiga:\n\n%1",
   hashError: "Vabandust, kuid '%1' ei vasta ühelegi salvestatud programmile.",
-  xmlError: "Su salvestatud faili ei õnnestunud laadida. Võibolla on see loodud mõne teise Blockly versiooniga?",
-  badXml: "Viga XML-i parsimisel:\n%1\n\nTehtud muudatustest loobumiseks vajuta 'OK', XML-i muudatuste tegemise jätkamiseks 'Katkesta'."
+  loadError: "Su salvestatud faili ei õnnestunud laadida. Võibolla on see loodud mõne teise Blockly versiooniga?",
+  parseError: "Viga %1-i parsimisel:\n%2\n\nTehtud muudatustest loobumiseks vajuta 'OK', %1-i muudatuste tegemise jätkamiseks 'Katkesta'."
 };
diff --git a/demos/code/msg/fa.js b/demos/code/msg/fa.js
index 96dd966b003..1376cfa58e6 100644
--- a/demos/code/msg/fa.js
+++ b/demos/code/msg/fa.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "مشکلی با درخواست وجود داشت.",
   linkAlert: "اشتراک‌گذاری بلاک‌هایتان با این پیوند:\n\n%1",
   hashError: "شرمنده، «%1» با هیچ برنامهٔ ذخیره‌شده‌ای تطبیق پیدا نکرد.",
-  xmlError: "نتوانست پروندهٔ ذخیرهٔ شما بارگیری شود.  احتمالاً با نسخهٔ متفاوتی از بلوکی درست شده‌است؟",
-  badXml: "خطای تجزیهٔ اکس‌ام‌ال:\n%1\n\n«باشد» را برای ذخیره و «فسخ» را برای ویرایش بیشتر اکس‌ام‌ال انتخاب کنید."
+  loadError: "نتوانست پروندهٔ ذخیرهٔ شما بارگیری شود.  احتمالاً با نسخهٔ متفاوتی از بلوکی درست شده‌است؟",
+  parseError: "خطای تجزیهٔ اکس‌ام‌ال:\n%2\n\n«باشد» را برای ذخیره و «فسخ» را برای ویرایش بیشتر اکس‌ام‌ال انتخاب کنید."
 };
diff --git a/demos/code/msg/fr.js b/demos/code/msg/fr.js
index 60181131adb..d98d386bbf3 100644
--- a/demos/code/msg/fr.js
+++ b/demos/code/msg/fr.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Il y a eu un problème avec la demande.",
   linkAlert: "Partagez vos blocs grâce à ce lien:\n\n%1",
   hashError: "Désolé, '%1' ne correspond à aucun programme sauvegardé.",
-  xmlError: "Impossible de charger le fichier de sauvegarde.  Peut être a t-il été créé avec une autre version de Blockly?",
-  badXml: "Erreur d’analyse du XML :\n%1\n\nSélectionner 'OK' pour abandonner vos modifications ou 'Annuler' pour continuer à modifier le XML."
+  loadError: "Impossible de charger le fichier de sauvegarde.  Peut être a t-il été créé avec une autre version de Blockly?",
+  parseError: "Erreur d’analyse du %1 :\n%2\n\nSélectionner 'OK' pour abandonner vos modifications ou 'Annuler' pour continuer à modifier le %1."
 };
diff --git a/demos/code/msg/he.js b/demos/code/msg/he.js
index dc2826620db..c12f28ad627 100644
--- a/demos/code/msg/he.js
+++ b/demos/code/msg/he.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "הבקשה נכשלה.",
   linkAlert: "ניתן לשתף את קטעי הקוד שלך באמצעות קישור זה:\n\n%1",
   hashError: "לצערנו, '%1' איננו מתאים לאף אחת מהתוכניות השמורות",
-  xmlError: "נסיון הטעינה של הקובץ השמור שלך נכשל. האם ייתכן שהוא נוצר בגרסא שונה של בלוקלי?",
-  badXml: "תקלה בפענוח XML:\n\n%1\n\nנא לבחור 'אישור' כדי לנטוש את השינויים שלך או 'ביטול' כדי להמשיך ולערוך את ה־XML."
+  loadError: "נסיון הטעינה של הקובץ השמור שלך נכשל. האם ייתכן שהוא נוצר בגרסא שונה של בלוקלי?",
+  parseError: "תקלה בפענוח %1:\n\n%2\n\nנא לבחור 'אישור' כדי לנטוש את השינויים שלך או 'ביטול' כדי להמשיך ולערוך את ה־%1."
 };
diff --git a/demos/code/msg/hr.js b/demos/code/msg/hr.js
new file mode 100644
index 00000000000..49650f344bd
--- /dev/null
+++ b/demos/code/msg/hr.js
@@ -0,0 +1,24 @@
+var MSG = {
+  title: "Kod",
+  blocks: " Blokovi",
+  linkTooltip: "Spremi i napravi poveznicu na program..",
+  runTooltip: "Pokreni program zadan blokovima u radnom prostoru.",
+  badCode: "Greška u programu:\n%1",
+  timeout: "Maksimalni broj iteracija je prekoračen.",
+  trashTooltip: " Izbriši sve blokove.",
+  catLogic: "Logika",
+  catLoops: "Petlje",
+  catMath: "Matematika",
+  catText: "Tekst",
+  catLists: "Liste",
+  catColour: "Boja",
+  catVariables: "Varijable",
+  catFunctions: "Funkcije",
+  listVariable: "lista",
+  textVariable: "tekst",
+  httpRequestError: "Postoji problem sa zahtjevom.",
+  linkAlert: "Podijelite svoj program javnom poveznicom. Obrisat ćemo ga nakon godinu dana ne korištenja. Program nije povezan s vašim korisničkim računom te je zaštićen Google\'s Privacy Policy. Molimo vas ne stavljajte u program nikakve osobne informacije .\n\n%1",
+  hashError: "Žao nam je,  '%1' ne odgovara niti jednom spremljenom programu.",
+  xmlError: "Ne možemo učitati vaš spremljen program. Možda je napravljen nekom drugom inačicom Blocklyja?",
+  badXml: "Greška u parsiranju XML:\n%1\n\nOdaberite 'OK' kako biste odbacili promjene ili 'Odustani' za nastavak editiranja XML."
+};
diff --git a/demos/code/msg/hrx.js b/demos/code/msg/hrx.js
index ca0dea3fc3c..deda3cd20e6 100644
--- a/demos/code/msg/hrx.js
+++ b/demos/code/msg/hrx.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Mit der Oonfroch hots en Problem geb.",
   linkAlert: "Tel von dein Bausten mit dem Link:\n\n%1",
   hashError: "„%1“ stimmt leider mit kenem üweren gespeicherte Programm.",
-  xmlError: "Dein gespeicherte Datei könnt net gelood sin. Vielleicht woard se mit ener annre Version von Blockly erstellt.",
-  badXml: "Fehler beim Parse von XML:\n%1\n\nWähle 'OK' zum Verwerfe von deiner Ändrunge orrer 'Abbreche' zum XML weiter beoorbeite."
+  loadError: "Dein gespeicherte Datei könnt net gelood sin. Vielleicht woard se mit ener annre Version von Blockly erstellt.",
+  parseError: "Fehler beim Parse von %1:\n%2\n\nWähle 'OK' zum Verwerfe von deiner Ändrunge orrer 'Abbreche' zum %1 weiter beoorbeite."
 };
diff --git a/demos/code/msg/hu.js b/demos/code/msg/hu.js
index eee1868634a..4575a4965c3 100644
--- a/demos/code/msg/hu.js
+++ b/demos/code/msg/hu.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "A kéréssel kapcsolatban probléma merült fel.",
   linkAlert: "Ezzel a hivatkozással tudod megosztani a programodat:\n\n%1",
   hashError: "Sajnos a '%1' hivatkozás nem tartozik egyetlen programhoz sem.",
-  xmlError: "A programodat nem lehet betölteni.  Elképzelhető, hogy a Blockly egy másik verziójában készült?",
-  badXml: "Hiba az XML feldolgozásakor:\n%1\n\nVáltozások elvetése?"
+  loadError: "A programodat nem lehet betölteni.  Elképzelhető, hogy a Blockly egy másik verziójában készült?",
+  parseError: "Hiba az %1 feldolgozásakor:\n%2\n\nVáltozások elvetése?"
 };
diff --git a/demos/code/msg/ia.js b/demos/code/msg/ia.js
index 5938458bb93..30ff227204e 100644
--- a/demos/code/msg/ia.js
+++ b/demos/code/msg/ia.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Il habeva un problema con le requesta.",
   linkAlert: "Divide tu blocos con iste ligamine:\n\n%1",
   hashError: "Infelicemente, '%1' non corresponde a alcun programma salveguardate.",
-  xmlError: "Impossibile cargar le file salveguardate. Pote esser que illo ha essite create con un altere version de Blockly?",
-  badXml: "Error de analyse del XML:\n%1\n\nSelige 'OK' pro abandonar le modificationes o 'Cancellar' pro continuar a modificar le codice XML."
+  loadError: "Impossibile cargar le file salveguardate. Pote esser que illo ha essite create con un altere version de Blockly?",
+  parseError: "Error de analyse del %1:\n%2\n\nSelige 'OK' pro abandonar le modificationes o 'Cancellar' pro continuar a modificar le codice %1."
 };
diff --git a/demos/code/msg/is.js b/demos/code/msg/is.js
index fa5c40d80a3..ba79df697c8 100644
--- a/demos/code/msg/is.js
+++ b/demos/code/msg/is.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Það kom upp vandamál með beiðnina.",
   linkAlert: "Deildu kubbunum þínum með þessari krækju:",
   hashError: "Því miður, '%1' passar ekki við neitt vistað forrit.",
-  xmlError: "Gat ekki hlaðið vistuðu skrána þína. Var hún kannske búin til í annarri útgáfu af Blockly?",
-  badXml: "Villa við úrvinnslu XML:\n%1\n\nVeldu 'Í lagi' til að sleppa breytingum eða 'Hætta við' til að halda áfram með XML."
+  loadError: "Gat ekki hlaðið vistuðu skrána þína. Var hún kannske búin til í annarri útgáfu af Blockly?",
+  parseError: "Villa við úrvinnslu %1:\n%2\n\nVeldu 'Í lagi' til að sleppa breytingum eða 'Hætta við' til að halda áfram með %1."
 };
diff --git a/demos/code/msg/it.js b/demos/code/msg/it.js
index cd69b66b318..e9def2a19a5 100644
--- a/demos/code/msg/it.js
+++ b/demos/code/msg/it.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "La richiesta non è stata soddisfatta.",
   linkAlert: "Condividi i tuoi blocchi con questo collegamento:\n\n%1",
   hashError: "Mi spiace, '%1' non corrisponde ad alcun programma salvato.",
-  xmlError: "Non è stato possibile caricare il documento.  Forse è stato creato con una versione diversa di Blockly?",
-  badXml: "Errore durante l'analisi XML:\n%1\n\nSeleziona 'OK' per abbandonare le modifiche o 'Annulla' per continuare a modificare l'XML."
+  loadError: "Non è stato possibile caricare il documento.  Forse è stato creato con una versione diversa di Blockly?",
+  parseError: "Errore durante l'analisi %1:\n%2\n\nSeleziona 'OK' per abbandonare le modifiche o 'Annulla' per continuare a modificare l'%1."
 };
diff --git a/demos/code/msg/ja.js b/demos/code/msg/ja.js
index 6d50419825d..44beb3bdb23 100644
--- a/demos/code/msg/ja.js
+++ b/demos/code/msg/ja.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "ネットワーク接続のエラーです。",
   linkAlert: "ブロックの状態をこのリンクで共有できます:\n\n%1",
   hashError: "すみません。「%1」という名前のプログラムは保存されていません。",
-  xmlError: "保存されたファイルを読み込めませんでした。別のバージョンのブロックリーで作成された可能性があります。",
-  badXml: "XML のエラーです:\n%1\n\nXML の変更をやめるには「OK」、編集を続けるには「キャンセル」を選んでください。"
+  loadError: "保存されたファイルを読み込めませんでした。別のバージョンのブロックリーで作成された可能性があります。",
+  parseError: "%1 のエラーです:\n%2\n\n%1 の変更をやめるには「OK」、編集を続けるには「キャンセル」を選んでください。"
 };
diff --git a/demos/code/msg/kab.js b/demos/code/msg/kab.js
index 648ff7fb837..621442e07c4 100644
--- a/demos/code/msg/kab.js
+++ b/demos/code/msg/kab.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "yella ugur deg usuter.",
   linkAlert: "Bḍu iḥedran-ik s useqdec n useɣwen-agi:\n\n%1",
   hashError: "Suref-aɣ, '%1' ur imenṭaḍ ulad d yiwen n wahil yettwaskelsen.",
-  xmlError: "Ur izmir ara ad d-isali afaylu  n usekles. Ahatyettwarna s lqem-nniḍen n Blockly?",
-  badXml: "Tuccḍa di tesleḍt n XML :\n%1\n\nFren 'IH' akken ad tzgleḍ asnifel-ik 'Sefsex' akken ad tkemmleḍ asnifel n XML."
+  loadError: "Ur izmir ara ad d-isali afaylu  n usekles. Ahatyettwarna s lqem-nniḍen n Blockly?",
+  parseError: "Tuccḍa di tesleḍt n %1 :\n%2\n\nFren 'IH' akken ad tzgleḍ asnifel-ik 'Sefsex' akken ad tkemmleḍ asnifel n %1."
 };
diff --git a/demos/code/msg/ko.js b/demos/code/msg/ko.js
index 990cb6f236b..2daf0c9ad79 100644
--- a/demos/code/msg/ko.js
+++ b/demos/code/msg/ko.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "요청에 문제가 있습니다.",
   linkAlert: "다음 링크로 블록을 공유하세요:\n\n%1",
   hashError: "죄송하지만 '%1'은 어떤 저장된 프로그램으로 일치하지 않습니다.",
-  xmlError: "저장된 파일을 불러올 수 없습니다. 혹시 블록리의 다른 버전으로 만들었습니까?",
-  badXml: "XML 구문 분석 오류:\n%1\n\n바뀜을 포기하려면 '확인'을 선택하고 XML을 더 편집하려면 '취소'를 선택하세요."
+  loadError: "저장된 파일을 불러올 수 없습니다. 혹시 블록리의 다른 버전으로 만들었습니까?",
+  parseError: "%1 구문 분석 오류:\n%2\n\n바뀜을 포기하려면 '확인'을 선택하고 %1을 더 편집하려면 '취소'를 선택하세요."
 };
diff --git a/demos/code/msg/mk.js b/demos/code/msg/mk.js
index cc344a69ca2..905f5032a55 100644
--- a/demos/code/msg/mk.js
+++ b/demos/code/msg/mk.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Се појави проблем во барањето.",
   linkAlert: "Споделете ги вашите блокчиња со оваа врска:\n\n%1",
   hashError: "„%1“ не одговара на ниеден зачуван програм.",
-  xmlError: "Не можев да ја вчитам зачуваната податотека. Да не сте ја создале со друга верзија на Blockly?",
-  badXml: "Грешка при расчленувањето на XML:\n%1\n\nСтиснете на „ОК“ за да ги напуштите промените или на „Откажи“ ако сакате уште да ја уредувате XML-податотеката."
+  loadError: "Не можев да ја вчитам зачуваната податотека. Да не сте ја создале со друга верзија на Blockly?",
+  parseError: "Грешка при расчленувањето на %1:\n%2\n\nСтиснете на „ОК“ за да ги напуштите промените или на „Откажи“ ако сакате уште да ја уредувате %1-податотеката."
 };
diff --git a/demos/code/msg/ms.js b/demos/code/msg/ms.js
index 87ee8deef40..d369fd6b44e 100644
--- a/demos/code/msg/ms.js
+++ b/demos/code/msg/ms.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Permintaan itu terdapat masalah.",
   linkAlert: "Kongsikan blok-blok anda dengan pautan ini:\n\n%1",
   hashError: "Maaf, '%1' tidak berpadanan dengan sebarang aturcara yang disimpan.",
-  xmlError: "Fail simpanan anda tidak dapat dimuatkan. Jangan-jangan ia dicipta dengan versi Blockly yang berlainan?",
-  badXml: "Ralat ketika menghuraikan XML:\n%1\n\nPilih 'OK' untuk melucutkan suntingan anda atau 'Batal' untuk bersambung menyunting XML-nya."
+  loadError: "Fail simpanan anda tidak dapat dimuatkan. Jangan-jangan ia dicipta dengan versi Blockly yang berlainan?",
+  parseError: "Ralat ketika menghuraikan %1:\n%2\n\nPilih 'OK' untuk melucutkan suntingan anda atau 'Batal' untuk bersambung menyunting %1-nya."
 };
diff --git a/demos/code/msg/nb.js b/demos/code/msg/nb.js
index 60ac0394d63..5eb2219aea9 100644
--- a/demos/code/msg/nb.js
+++ b/demos/code/msg/nb.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Det oppsto et problem med forespørselen din",
   linkAlert: "Del dine blokker med denne lenken:\n\n%1",
   hashError: "Beklager, '%1' samsvarer ikke med noe lagret program.",
-  xmlError: "Kunne ikke laste inn filen. Kanskje den ble laget med en annen versjon av Blockly?",
-  badXml: "Feil ved parsering av XML:\n%1\n\nVelg 'OK' for å avbryte endringene eller 'Cancel' for å fortsette å redigere XML-koden."
+  loadError: "Kunne ikke laste inn filen. Kanskje den ble laget med en annen versjon av Blockly?",
+  parseError: "Feil ved parsering av %1:\n%2\n\nVelg 'OK' for å avbryte endringene eller 'Cancel' for å fortsette å redigere %1-koden."
 };
diff --git a/demos/code/msg/nl.js b/demos/code/msg/nl.js
index 339a5e8827b..00308231029 100644
--- a/demos/code/msg/nl.js
+++ b/demos/code/msg/nl.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Er is een probleem opgetreden tijdens het verwerken van het verzoek.",
   linkAlert: "Deel uw blokken via deze koppeling:\n\n%1",
   hashError: "\"%1\" komt helaas niet overeen met een opgeslagen bestand.",
-  xmlError: "Uw opgeslagen bestand kan niet geladen worden. Is het misschien gemaakt met een andere versie van Blockly?",
-  badXml: "Fout tijdens het verwerken van de XML:\n%1\n\nSelecteer \"OK\" om uw wijzigingen te negeren of \"Annuleren\" om de XML verder te bewerken."
+  loadError: "Uw opgeslagen bestand kan niet geladen worden. Is het misschien gemaakt met een andere versie van Blockly?",
+  parseError: "Fout tijdens het verwerken van de %1:\n%2\n\nSelecteer \"OK\" om uw wijzigingen te negeren of \"Annuleren\" om de %1 verder te bewerken."
 };
diff --git a/demos/code/msg/oc.js b/demos/code/msg/oc.js
index c184ac8fb27..35c89581db4 100644
--- a/demos/code/msg/oc.js
+++ b/demos/code/msg/oc.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "I a agut un problèma amb la demanda.",
   linkAlert: "Partejatz vòstres blòts gràcia a aqueste ligam :\n\n%1",
   hashError: "O planhèm, '%1' correspond pas a un fichièr Blockly salvament.",
-  xmlError: "Impossible de cargar lo fichièr de salvament.  Benlèu qu'es estat creat amb una autra version de Blockly ?",
-  badXml: "Error d’analisi del XML :\n%1\n\nSeleccionar 'D'acòrdi' per abandonar vòstras modificacions o 'Anullar' per modificar encara lo XML."
+  loadError: "Impossible de cargar lo fichièr de salvament.  Benlèu qu'es estat creat amb una autra version de Blockly ?",
+  parseError: "Error d’analisi del %1 :\n%2\n\nSeleccionar 'D'acòrdi' per abandonar vòstras modificacions o 'Anullar' per modificar encara lo %1."
 };
diff --git a/demos/code/msg/pl.js b/demos/code/msg/pl.js
index 83bb05d2f9f..ade2b76cd36 100644
--- a/demos/code/msg/pl.js
+++ b/demos/code/msg/pl.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Wystąpił problem z żądaniem.",
   linkAlert: "Udpostępnij swoje bloki korzystając z poniższego linku : \n\n\n%1",
   hashError: "Przepraszamy, \"%1\" nie odpowiada żadnemu zapisanemu programowi.",
-  xmlError: "Nie można załadować zapisanego pliku. Być może został utworzony za pomocą innej wersji Blockly?",
-  badXml: "Błąd parsowania XML : \n%1\n\nZaznacz 'OK' aby odrzucić twoje zmiany lub 'Cancel', żeby w przyszłości edytować XML."
+  loadError: "Nie można załadować zapisanego pliku. Być może został utworzony za pomocą innej wersji Blockly?",
+  parseError: "Błąd parsowania %1 : \n%2\n\nZaznacz 'OK' aby odrzucić twoje zmiany lub 'Cancel', żeby w przyszłości edytować %1."
 };
diff --git a/demos/code/msg/pms.js b/demos/code/msg/pms.js
index a7704f764d0..f60be55d982 100644
--- a/demos/code/msg/pms.js
+++ b/demos/code/msg/pms.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "A-i é staje un problema con l'arcesta.",
   linkAlert: "Ch'a partagia ij sò blòch grassie a sta liura: %1",
   hashError: "An dëspias, '%1 a corëspond a gnun programa salvà.",
-  xmlError: "A l'é nen podusse carié so archivi salvà. Miraco a l'é stàit creà con na version diferenta ëd Blockly?",
-  badXml: "Eror d'anàlisi dl'XML:\n%1\n\nSelessioné 'Va bin' për lassé perde toe modìfiche o 'Anulé' për modifiché ancora l'XML."
+  loadError: "A l'é nen podusse carié so archivi salvà. Miraco a l'é stàit creà con na version diferenta ëd Blockly?",
+  parseError: "Eror d'anàlisi dl'%1:\n%2\n\nSelessioné 'Va bin' për lassé perde toe modìfiche o 'Anulé' për modifiché ancora l'%1."
 };
diff --git a/demos/code/msg/pt-br.js b/demos/code/msg/pt-br.js
index 9b18d636006..68d54dadb41 100644
--- a/demos/code/msg/pt-br.js
+++ b/demos/code/msg/pt-br.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Houve um problema com a requisição.",
   linkAlert: "Compartilhe seus blocos com este link:\n\n%1",
   hashError: "Desculpe, '%1' não corresponde a um programa salvo.",
-  xmlError: "Não foi possível carregar seu arquivo salvo. Talvez ele tenha sido criado com uma versão diferente do Blockly?",
-  badXml: "Erro de análise XML:\n%1\n\nSelecione 'OK' para abandonar suas mudanças ou 'Cancelar' para editar o XML."
+  loadError: "Não foi possível carregar seu arquivo salvo. Talvez ele tenha sido criado com uma versão diferente do Blockly?",
+  parseError: "Erro de análise %1:\n%2\n\nSelecione 'OK' para abandonar suas mudanças ou 'Cancelar' para editar o %1."
 };
diff --git a/demos/code/msg/ro.js b/demos/code/msg/ro.js
index cd3de11d790..e6ab7be82fa 100644
--- a/demos/code/msg/ro.js
+++ b/demos/code/msg/ro.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "A apărut o problemă la solicitare.",
   linkAlert: "Distribuie-ți blocurile folosind această legătură:\n\n%1",
   hashError: "Scuze, „%1” nu corespunde nici unui program salvat.",
-  xmlError: "Sistemul nu a putut încărca fișierul salvat. Poate că a fost creat cu o altă versiune de Blockly?",
-  badXml: "Eroare de parsare XML:\n%1\n\nAlege „OK” pentru a renunța la modificările efectuate sau „Revocare” pentru a modifica în continuare fișierul XML."
+  loadError: "Sistemul nu a putut încărca fișierul salvat. Poate că a fost creat cu o altă versiune de Blockly?",
+  parseError: "Eroare de parsare %1:\n%2\n\nAlege „OK” pentru a renunța la modificările efectuate sau „Revocare” pentru a modifica în continuare fișierul %1."
 };
diff --git a/demos/code/msg/ru.js b/demos/code/msg/ru.js
index 389e9052a33..da7a2f7b924 100644
--- a/demos/code/msg/ru.js
+++ b/demos/code/msg/ru.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Произошла проблема при запросе.",
   linkAlert: "Поделитесь своими блоками по этой ссылке:\n\n%1",
   hashError: "К сожалению, «%1» не соответствует ни одному сохраненному файлу Блокли.",
-  xmlError: "Не удалось загрузить ваш сохраненный файл.  Возможно, он был создан в другой версии Блокли?",
-  badXml: "Ошибка синтаксического анализа XML:\n%1\n\nВыберите 'ОК', чтобы отказаться от изменений или 'Cancel' для дальнейшего редактирования XML."
+  loadError: "Не удалось загрузить ваш сохраненный файл.  Возможно, он был создан в другой версии Блокли?",
+  parseError: "Ошибка синтаксического анализа %1:\n%2\n\nВыберите 'ОК', чтобы отказаться от изменений или 'Cancel' для дальнейшего редактирования %1."
 };
diff --git a/demos/code/msg/sc.js b/demos/code/msg/sc.js
index 82f94d61d05..8fe88ef1890 100644
--- a/demos/code/msg/sc.js
+++ b/demos/code/msg/sc.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Ddui fut unu problema cun sa pregunta",
   linkAlert: "Poni is brocus tuus in custu acàpiu:\n\n%1",
   hashError: "Mi dispraxit, '%1' non torrat a pari cun nimancu unu de is programas sarvaus.",
-  xmlError: "Non potzu carrigai su file sarvau. Fortzis est stètiu fatu cun d-una versioni diferenti de Blockly?",
-  badXml: "Errori in s'anàlisi XML:\n%1\n\nCraca 'OK' po perdi is mudàntzias 'Anudda' po sighì a scriri su XML."
+  loadError: "Non potzu carrigai su file sarvau. Fortzis est stètiu fatu cun d-una versioni diferenti de Blockly?",
+  parseError: "Errori in s'anàlisi %1:\n%2\n\nCraca 'OK' po perdi is mudàntzias 'Anudda' po sighì a scriri su %1."
 };
diff --git a/demos/code/msg/sk.js b/demos/code/msg/sk.js
index 3917df293ee..0c07cae2826 100644
--- a/demos/code/msg/sk.js
+++ b/demos/code/msg/sk.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Problém so spracovaním požiadavky.",
   linkAlert: "Zdieľať tento program skopírovaním odkazu\n\n%1",
   hashError: "Prepáč, '%1' nie je meno žiadnemu uloženému programu.",
-  xmlError: "Nebolo možné načítať uložený súbor. Možno bol vytvorený v inej verzii Blocky.",
-  badXml: "Chyba pri parsovaní XML:\n%1\n\nStlačte 'OK' ak chcete zrušiť zmeny alebo 'Zrušiť' pre pokračovanie v úpravách XML."
+  loadError: "Nebolo možné načítať uložený súbor. Možno bol vytvorený v inej verzii Blocky.",
+  parseError: "Chyba pri parsovaní %1:\n%2\n\nStlačte 'OK' ak chcete zrušiť zmeny alebo 'Zrušiť' pre pokračovanie v úpravách %1."
 };
diff --git a/demos/code/msg/sr.js b/demos/code/msg/sr.js
index f9a026ca088..876fad70969 100644
--- a/demos/code/msg/sr.js
+++ b/demos/code/msg/sr.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Дошло је до проблема у захтеву.",
   linkAlert: "Делите своје блокове овом везом:\n\n%1",
   hashError: "„%1“ не одговара ниједном сачуваном програму.",
-  xmlError: "Не могу да учитам сачувану датотеку. Можда је направљена другом верзијом Blockly-ја.",
-  badXml: "Грешка при рашчлањивању XML-а:\n%1\n\nПритисните „У реду“ да напустите измене или „Откажи“ да наставите са уређивањем XML датотеке."
+  loadError: "Не могу да учитам сачувану датотеку. Можда је направљена другом верзијом Blockly-ја.",
+  parseError: "Грешка при рашчлањивању %1-а:\n%2\n\nПритисните „У реду“ да напустите измене или „Откажи“ да наставите са уређивањем %1 датотеке."
 };
diff --git a/demos/code/msg/sv.js b/demos/code/msg/sv.js
index 4134a4c7dcd..2c3245a8951 100644
--- a/demos/code/msg/sv.js
+++ b/demos/code/msg/sv.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Det uppstod ett problem med begäran.",
   linkAlert: "Dela dina block med denna länk: \n\n%1",
   hashError: "Tyvärr, '%1' överensstämmer inte med något sparat program.",
-  xmlError: "Kunde inte läsa din sparade fil. Den skapades kanske med en annan version av Blockly?",
-  badXml: "Fel vid parsning av XML:\n%1\n\nKlicka på 'OK' för att strunta i dina ändringar eller 'Avbryt' för att fortsätta redigera XML-koden."
+  loadError: "Kunde inte läsa din sparade fil. Den skapades kanske med en annan version av Blockly?",
+  parseError: "Fel vid parsning av %1:\n%2\n\nKlicka på 'OK' för att strunta i dina ändringar eller 'Avbryt' för att fortsätta redigera %1-koden."
 };
diff --git a/demos/code/msg/ta.js b/demos/code/msg/ta.js
index ff472e2b7e2..d415da98e8c 100644
--- a/demos/code/msg/ta.js
+++ b/demos/code/msg/ta.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "இந்த செயலை இயக்குவதில் கோளாறு ஏற்பட்டது",
   linkAlert: "இந்த சுட்டி வழியாக நிரல் துண்டுகளை பகிரவும்:\n\n%1",
   hashError: "'%1' : இது சேமித்த நிரலாக தெரியவில்லை.",
-  xmlError: "உங்களது நிரலை காணவில்லை; வேறு Blockly அத்தியாயத்தில் சேமித்தீரா?",
-  badXml: "XML பகுப்பதில் கோளாறு:\n%1\n\nOK' கிளிக் செய்தால் மாற்றங்கள் இழப்பீர்கள்; பிழைகளுடன் தொடர 'Cancel' கிளிக் செய்யவும்."
+  loadError: "உங்களது நிரலை காணவில்லை; வேறு Blockly அத்தியாயத்தில் சேமித்தீரா?",
+  parseError: "%1 பகுப்பதில் கோளாறு:\n%2\n\n'OK' கிளிக் செய்தால் மாற்றங்கள் இழப்பீர்கள்; பிழைகளுடன் தொடர 'Cancel' கிளிக் செய்யவும்."
 };
diff --git a/demos/code/msg/th.js b/demos/code/msg/th.js
index 1ac36245bdd..91dc7c4894f 100644
--- a/demos/code/msg/th.js
+++ b/demos/code/msg/th.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "มีปัญหาเกี่ยวกับการร้องขอ",
   linkAlert: "แบ่งปันบล็อกของคุณด้วยลิงก์นี้:\n\n%1",
   hashError: "เสียใจด้วย '%1' ไม่ตรงกับโปรแกรมใดๆ ที่เคยบันทึกเอาไว้เลย",
-  xmlError: "ไม่สามารถโหลดไฟล์ที่บันทึกไว้ของคุณได้ บางทีมันอาจจะถูกสร้างขึ้นด้วย Blockly รุ่นอื่นที่แตกต่างกัน?",
-  badXml: "เกิดข้อผิดพลาดในการแยกวิเคราะห์ XML:\n%1\n\nเลือก 'ตกลง' เพื่อละทิ้งการเปลี่ยนแปลงต่างๆ ที่ทำไว้ หรือเลือก 'ยกเลิก' เพื่อแก้ไข XML ต่อไป"
+  loadError: "ไม่สามารถโหลดไฟล์ที่บันทึกไว้ของคุณได้ บางทีมันอาจจะถูกสร้างขึ้นด้วย Blockly รุ่นอื่นที่แตกต่างกัน?",
+  parseError: "เกิดข้อผิดพลาดในการแยกวิเคราะห์ %1:\n%2\n\nเลือก 'ตกลง' เพื่อละทิ้งการเปลี่ยนแปลงต่างๆ ที่ทำไว้ หรือเลือก 'ยกเลิก' เพื่อแก้ไข %1 ต่อไป"
 };
diff --git a/demos/code/msg/tlh.js b/demos/code/msg/tlh.js
index 8d0c056f930..9ee511a14cb 100644
--- a/demos/code/msg/tlh.js
+++ b/demos/code/msg/tlh.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Qapbe' tlhobmeH QIn.",
   linkAlert: "latlhvaD ngoghmeylIj DangeHmeH Quvvam yIlo':\n\n%1",
   hashError: "Do'Ha', ngogh nab pollu'pu'bogh 'oHbe'law' \"%1\"'e'.",
-  xmlError: "ngogh nablIj pollu'pu'bogh chu'qa'laHbe' vay'.  chaq pollu'pu'DI' ghunmeH ngogh pIm lo'lu'pu'.",
-  badXml: "XML yajchu'laHbe' vay':\n%1\n\nchoHmeylIj DalonmeH \"ruch\" yIwIv pagh XML DachoHqa'meH \"qIl\" yIwIv."
+  loadError: "ngogh nablIj pollu'pu'bogh chu'qa'laHbe' vay'.  chaq pollu'pu'DI' ghunmeH ngogh pIm lo'lu'pu'.",
+  parseError: "%1 yajchu'laHbe' vay':\n%2\n\nchoHmeylIj DalonmeH \"ruch\" yIwIv pagh %1 DachoHqa'meH \"qIl\" yIwIv."
 };
diff --git a/demos/code/msg/tr.js b/demos/code/msg/tr.js
index 14483009222..ec0f04a2a29 100644
--- a/demos/code/msg/tr.js
+++ b/demos/code/msg/tr.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "İstek ile ilgili bir problem var.",
   linkAlert: "Bloklarını bu bağlantı ile paylaş:\n\n%1",
   hashError: "Üzgünüz, '%1' hiç bir kaydedilmiş program ile uyuşmuyor.",
-  xmlError: "Kaydedilen dosyanız yüklenemiyor\nBlockly'nin önceki sürümü ile kaydedilmiş olabilir mi?",
-  badXml: "XML ayrıştırma hatası:\n%1\n\nDeğişikliklerden vazgeçmek için 'Tamam'ı, düzenlemeye devam etmek için 'İptal' seçeneğini seçiniz."
+  loadError: "Kaydedilen dosyanız yüklenemiyor\nBlockly'nin önceki sürümü ile kaydedilmiş olabilir mi?",
+  parseError: "%1 ayrıştırma hatası:\n%2\n\nDeğişikliklerden vazgeçmek için 'Tamam'ı, düzenlemeye devam etmek için 'İptal' seçeneğini seçiniz."
 };
diff --git a/demos/code/msg/uk.js b/demos/code/msg/uk.js
index 6b346272152..7ddd0e422d1 100644
--- a/demos/code/msg/uk.js
+++ b/demos/code/msg/uk.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Виникла проблема із запитом.",
   linkAlert: "Поділитися вашим блоками через посилання:\n\n%1",
   hashError: "На жаль, \"%1\" не відповідає жодній збереженій програмі.",
-  xmlError: "Не вдалося завантажити ваш збережений файл.  Можливо, він був створений з іншої версії Blockly?",
-  badXml: "Помилка синтаксичного аналізу XML:\n%1\n\nВиберіть \"Гаразд\", щоб відмовитися від змін або 'Скасувати' для подальшого редагування XML."
+  loadError: "Не вдалося завантажити ваш збережений файл.  Можливо, він був створений з іншої версії Blockly?",
+  parseError: "Помилка синтаксичного аналізу %1:\n%2\n\nВиберіть \"Гаразд\", щоб відмовитися від змін або 'Скасувати' для подальшого редагування %1."
 };
diff --git a/demos/code/msg/vi.js b/demos/code/msg/vi.js
index 952d024b4ce..8d859643710 100644
--- a/demos/code/msg/vi.js
+++ b/demos/code/msg/vi.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "Hoạt động bị trục trặc, không thực hiện được yêu cầu của bạn.",
   linkAlert: "Chia sẻ chương trình của bạn với liên kết sau:\n\n %1",
   hashError: "Không tìm thấy chương trình được lưu ở '%1'.",
-  xmlError: "Không mở được chương trình của bạn.  Có thể nó nằm trong một phiên bản khác của Blockly?",
-  badXml: "Lỗi sử lý XML:\n %1\n\nChọn 'OK' để từ bỏ các thay đổi hoặc 'Hủy' để tiếp tục chỉnh sửa các XML."
+  loadError: "Không mở được chương trình của bạn.  Có thể nó nằm trong một phiên bản khác của Blockly?",
+  parseError: "Lỗi sử lý %1:\n %2\n\nChọn 'OK' để từ bỏ các thay đổi hoặc 'Hủy' để tiếp tục chỉnh sửa các %1."
 };
diff --git a/demos/code/msg/zh-hans.js b/demos/code/msg/zh-hans.js
index abf8a6589b0..ef8951bac36 100644
--- a/demos/code/msg/zh-hans.js
+++ b/demos/code/msg/zh-hans.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "请求存在问题。",
   linkAlert: "通过这个链接分享您的模块：\n\n%1",
   hashError: "对不起，没有任何已保存的程序对应'%1' 。",
-  xmlError: "无法载入您保存的文件。您是否使用其他版本的Blockly创建该文件的？",
-  badXml: "XML解析错误：\n%1\n\n选择“确定”以取消您对XML的修改，或选择“取消”以继续编辑XML。"
+  loadError: "无法载入您保存的文件。您是否使用其他版本的Blockly创建该文件的？",
+  parseError: "%1解析错误：\n%2\n\n选择“确定”以取消您对%1的修改，或选择“取消”以继续编辑%1。"
 };
diff --git a/demos/code/msg/zh-hant.js b/demos/code/msg/zh-hant.js
index 48a8b527272..fd7193268cf 100644
--- a/demos/code/msg/zh-hant.js
+++ b/demos/code/msg/zh-hant.js
@@ -19,6 +19,6 @@ var MSG = {
   httpRequestError: "命令出現錯誤。",
   linkAlert: "透過此連結分享您的積木組：\n\n%1",
   hashError: "對不起，「%1」並未對應任何已保存的程式。",
-  xmlError: "未能載入您保存的檔案。或許它是由其他版本的Blockly創建？",
-  badXml: "解析 XML 時出現錯誤：\n%1\n\n選擇'確定'以放棄您的更改，或選擇'取消'以進一步編輯 XML。"
+  loadError: "未能載入您保存的檔案。或許它是由其他版本的Blockly創建？",
+  parseError: "解析 %1 時出現錯誤：\n%2\n\n選擇'確定'以放棄您的更改，或選擇'取消'以進一步編輯 %1。"
 };
diff --git a/demos/codelab/README.md b/demos/codelab/README.md
deleted file mode 100644
index 2a5e9131529..00000000000
--- a/demos/codelab/README.md
+++ /dev/null
@@ -1,16 +0,0 @@
-# Blockly for the Web codelab
-
-Code for the [Blockly for the Web codelab](https://developers.google.com/TODO).
-
-In this codelab, you'll learn how to use Blockly JavaScript library
-to add a block code editor to a web application.
-
-## What you'll learn
-
-* How to add Blockly to a sample web app.
-* How to set up a Blockly workspace.
-* How to create a new block in Blockly.
-* How to generate and run JavaScript code from blocks.
-
-Example code for each step of the codelab is available from
-the [completed](completed/) directory.
diff --git a/demos/codelab/app-complete/index.html b/demos/codelab/app-complete/index.html
deleted file mode 100644
index d5780e19d03..00000000000
--- a/demos/codelab/app-complete/index.html
+++ /dev/null
@@ -1,73 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <meta http-equiv="X-UA-Compatible" content="IE=edge">
-  <meta name="viewport" content="width=device-width, initial-scale=1.0">
-
-  <title>Blockly for the Web Codelab</title>
-
-  <link rel="stylesheet" href="https://code.getmdl.io/1.2.1/material.indigo-pink.min.css">
-  <link rel="stylesheet" href="styles/index.css">
-</head>
-
-<body mode="maker">
-  <header class="mdl-color--cyan-500">
-    <h1 class="mode-maker">Music Maker</h1>
-    <h1 class="mode-edit mode-blockly">Music Maker Configuration</h1>
-  </header>
-
-  <main>
-    <button class="mode-maker mdl-button" id="edit">Edit</button>
-    <button class="mode-edit mdl-button mdl-js-button" id="done">Done</button>
-    <button class="mode-blockly mdl-button mdl-js-button" id="save">Save</button>
-    <p class="hint mode-edit">Tap any button to edit its code. <br/>When complete, press Done.</p>
-
-    <div class="maker">
-      <div>
-        <div class="button mdl-color--amber-500">1</div>
-        <div class="button mdl-color--yellow-500">2</div>
-        <div class="button mdl-color--lime-500">3</div>
-      </div>
-      <div>
-        <div class="button mdl-color--pink-500">4</div>
-        <div class="button mdl-color--red-500">5</div>
-        <div class="button mdl-color--light-green-500">6</div>
-      </div>
-      <div>
-        <div class="button mdl-color--cyan-500">7</div>
-        <div class="button mdl-color--teal-500">8</div>
-        <div class="button mdl-color--green-500">9</div>
-      </div>
-    </div>
-
-    <div class="blockly-editor">
-      <div id="blockly-div" style="height: 480px; width: 400px;"></div>
-      <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
-        <category name="Loops" colour="120">
-          <block type="controls_repeat_ext">
-            <value name="TIMES">
-              <shadow type="math_number">
-                <field name="NUM">5</field>
-              </shadow>
-            </value>
-          </block>
-        </category>
-        <category name="Sounds" colour="355">
-          <block type="play_sound"></block>
-        </category>
-      </xml>
-    </div>
-  </main>
-
-  <script src="../../../blockly_compressed.js"></script>
-  <script src="../../../blocks_compressed.js"></script>
-  <script src="../../../javascript_compressed.js"></script>
-  <script src="../../../msg/js/en.js"></script>
-
-  <script src="scripts/music_maker.js"></script>
-  <script src="scripts/sound_blocks.js"></script>
-  <script src="scripts/main.js"></script>
-
-</body>
-</html>
diff --git a/demos/codelab/app-complete/scripts/main.js b/demos/codelab/app-complete/scripts/main.js
deleted file mode 100644
index d5ebe0b3cbc..00000000000
--- a/demos/codelab/app-complete/scripts/main.js
+++ /dev/null
@@ -1,77 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
- (function() {
-
-  let currentButton;
-
-  function handlePlay(event) {
-    loadWorkspace(event.target);
-    Blockly.JavaScript.addReservedWords('code');
-    var code = Blockly.JavaScript.workspaceToCode(Blockly.getMainWorkspace());
-    code += 'MusicMaker.play();';
-    // Eval can be dangerous. For more controlled execution, check
-    // https://github.com/NeilFraser/JS-Interpreter.
-    try {
-      eval(code);
-    } catch (error) {
-      console.log(error);
-    }
-  }
-
-  function loadWorkspace(button) {
-    let workspace = Blockly.getMainWorkspace();
-    workspace.clear();
-    if (button.blocklyXml) {
-      Blockly.Xml.domToWorkspace(button.blocklyXml, workspace);
-    }
-  }
-
-  function save(button) {
-    let xml = Blockly.Xml.workspaceToDom(Blockly.getMainWorkspace());
-    button.blocklyXml = xml;
-  }
-
-  function handleSave() {
-    document.body.setAttribute('mode', 'edit');
-    save(currentButton);
-  }
-
-  function enableEditMode() {
-    document.body.setAttribute('mode', 'edit');
-    document.querySelectorAll('.button').forEach(btn => {
-      btn.removeEventListener('click', handlePlay);
-      btn.addEventListener('click', enableBlocklyMode);
-    });
-  }
-
-  function enableMakerMode() {
-    document.body.setAttribute('mode', 'maker');
-    document.querySelectorAll('.button').forEach(btn => {
-      btn.addEventListener('click', handlePlay);
-      btn.removeEventListener('click', enableBlocklyMode);
-    });
-  }
-
-  function enableBlocklyMode(e) {
-    document.body.setAttribute('mode', 'blockly');
-    currentButton = e.target;
-    loadWorkspace(currentButton);
-  }
-
-  document.querySelector('#edit').addEventListener('click', enableEditMode);
-  document.querySelector('#done').addEventListener('click', enableMakerMode);
-  document.querySelector('#save').addEventListener('click', handleSave);
-
-  enableMakerMode();
-
-  Blockly.inject('blockly-div', {
-    media: '../../../media/',
-    toolbox: document.getElementById('toolbox'),
-    toolboxPosition: 'end',
-    horizontalLayout: true,
-    scrollbars: false
-  });
-})();
diff --git a/demos/codelab/app-complete/scripts/music_maker.js b/demos/codelab/app-complete/scripts/music_maker.js
deleted file mode 100644
index adfefeddcea..00000000000
--- a/demos/codelab/app-complete/scripts/music_maker.js
+++ /dev/null
@@ -1,22 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
- const MusicMaker = {
-  queue_: [],
-  player_: new Audio(),
-  queueSound: function(soundUrl) {
-    this.queue_.push(soundUrl);
-  },
-  play: function() {
-    let next = this.queue_.shift();
-    if (next) {
-      this.player_.src = next;
-      this.player_.play();
-    }
-  },
-};
-
-MusicMaker.player_.addEventListener(
-    'ended', MusicMaker.play.bind(MusicMaker));
diff --git a/demos/codelab/app-complete/scripts/sound_blocks.js b/demos/codelab/app-complete/scripts/sound_blocks.js
deleted file mode 100644
index b8b851819d4..00000000000
--- a/demos/codelab/app-complete/scripts/sound_blocks.js
+++ /dev/null
@@ -1,39 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-Blockly.defineBlocksWithJsonArray([
-  // Block for colour picker.
-  {
-    "type": "play_sound",
-    "message0": "Play %1",
-    "args0": [
-      {
-        "type": "field_dropdown",
-        "name": "VALUE",
-        "options": [
-          ["C4", "sounds/c4.m4a"],
-          ["D4", "sounds/d4.m4a"],
-          ["E4", "sounds/e4.m4a"],
-          ["F4", "sounds/f4.m4a"],
-          ["G4", "sounds/g4.m4a"],
-          ["A5", "sounds/a5.m4a"],
-          ["B5", "sounds/b5.m4a"],
-          ["C5", "sounds/c5.m4a"]
-        ]
-      }
-    ],
-    "previousStatement": null,
-    "nextStatement": null,
-    "colour": 355,
-    "tooltip": "",
-    "helpUrl": ""
-  }
-]);
-
-Blockly.JavaScript['play_sound'] = function(block) {
-  var value = '\'' + block.getFieldValue('VALUE') + '\'';
-  return 'MusicMaker.queueSound(' + value + ');\n';
-};
diff --git a/demos/codelab/app-complete/sounds/c4.m4a b/demos/codelab/app-complete/sounds/c4.m4a
deleted file mode 100644
index 33941cfae15..00000000000
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diff --git a/demos/codelab/app-complete/sounds/c5.m4a b/demos/codelab/app-complete/sounds/c5.m4a
deleted file mode 100644
index 49721cd31df..00000000000
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diff --git a/demos/codelab/app-complete/sounds/d4.m4a b/demos/codelab/app-complete/sounds/d4.m4a
deleted file mode 100644
index 51bcad6c2f1..00000000000
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diff --git a/demos/codelab/app-complete/sounds/e4.m4a b/demos/codelab/app-complete/sounds/e4.m4a
deleted file mode 100644
index d910052ef9f..00000000000
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diff --git a/demos/codelab/app-complete/sounds/f4.m4a b/demos/codelab/app-complete/sounds/f4.m4a
deleted file mode 100644
index c80a0bfd3b2..00000000000
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diff --git a/demos/codelab/app-complete/sounds/g4.m4a b/demos/codelab/app-complete/sounds/g4.m4a
deleted file mode 100644
index 45ea4483021..00000000000
Binary files a/demos/codelab/app-complete/sounds/g4.m4a and /dev/null differ
diff --git a/demos/codelab/app-complete/styles/index.css b/demos/codelab/app-complete/styles/index.css
deleted file mode 100644
index 0ef8f3bfc90..00000000000
--- a/demos/codelab/app-complete/styles/index.css
+++ /dev/null
@@ -1,75 +0,0 @@
-main {
-  width: 400px;
-  position: relative;
-  margin: 0 auto;
-  overflow:hidden;
-  height: 600px;
-}
-
-header {
-  background-color: green;
-  width: 100%;
-}
-
-h1 {
-  width: 400px;
-  position: relative;
-  margin: 0 auto;
-  color: #fff;
-  font-size: 1.8em;
-  line-height: 2.4em;
-}
-
-.mode-edit,
-.mode-maker,
-.mode-blockly {
-  display: none;
-}
-
-[mode="maker"] .mode-maker,
-[mode="edit"] .mode-edit,
-[mode="blockly"] .mode-blockly {
-  display: block;
-}
-
-.blockly-editor {
-  position: absolute;
-  top: 64px;
-  left: -400px;
-  transition: left .4s;
-  height: 460px;
-  width: 400px;
-  background-color: #eee;
-}
-
-[mode="blockly"] .blockly-editor {
-  left: 0;
-}
-
-.maker {
-  display: flex;
-  flex-flow: column;
-  justify-content: space-between;
-  height: 460px;
-  width: 400px;
-}
-
-.maker > div {
-  display: flex;
-  justify-content: space-between;
-}
-
-.button {
-  width: 120px;
-  height: 140px;
-  color: #fff;
-  font-size: 3em;
-  text-align: center;
-  vertical-align: middle;
-  line-height: 140px;
-}
-
-.mdl-button {
-  margin: 1em 0;
-  float: right;
-}
diff --git a/demos/codelab/app/index.html b/demos/codelab/app/index.html
deleted file mode 100644
index 31eeff776d5..00000000000
--- a/demos/codelab/app/index.html
+++ /dev/null
@@ -1,53 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <meta http-equiv="X-UA-Compatible" content="IE=edge">
-  <meta name="viewport" content="width=device-width, initial-scale=1.0">
-
-  <title>Blockly for the Web Codelab</title>
-
-  <link rel="stylesheet" href="https://code.getmdl.io/1.2.1/material.indigo-pink.min.css">
-  <link rel="stylesheet" href="styles/index.css">
-</head>
-
-<body mode="maker">
-  <header class="mdl-color--cyan-500">
-    <h1 class="mode-maker">Music Maker</h1>
-    <h1 class="mode-edit mode-blockly">Music Maker Configuration</h1>
-  </header>
-
-  <main>
-    <button class="mode-maker mdl-button" id="edit">Edit</button>
-    <button class="mode-edit mdl-button mdl-js-button" id="done">Done</button>
-    <button class="mode-blockly mdl-button mdl-js-button" id="save">Save</button>
-    <p class="hint mode-edit">Tap any button to edit its code. <br/>When complete, press Done.</p>
-
-    <div class="maker">
-      <div>
-        <div class="button mdl-color--amber-500">1</div>
-        <div class="button mdl-color--yellow-500">2</div>
-        <div class="button mdl-color--lime-500">3</div>
-      </div>
-      <div>
-        <div class="button mdl-color--pink-500">4</div>
-        <div class="button mdl-color--red-500">5</div>
-        <div class="button mdl-color--light-green-500">6</div>
-      </div>
-      <div>
-        <div class="button mdl-color--cyan-500">7</div>
-        <div class="button mdl-color--teal-500">8</div>
-        <div class="button mdl-color--green-500">9</div>
-      </div>
-    </div>
-
-    <div class="blockly-editor">
-      <div id="blockly-div" style="height: 480px; width: 400px;"></div>
-    </div>
-  </main>
-
-  <script src="scripts/music_maker.js"></script>
-  <script src="scripts/main.js"></script>
-
-</body>
-</html>
diff --git a/demos/codelab/app/scripts/main.js b/demos/codelab/app/scripts/main.js
deleted file mode 100644
index 9eef2f96a52..00000000000
--- a/demos/codelab/app/scripts/main.js
+++ /dev/null
@@ -1,50 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
- (function() {
-
-  let currentButton;
-
-  function handlePlay(event) {
-    // Add code for playing sound.
-  }
-
-  function save(button) {
-    // Add code for saving the behavior of a button.
-  }
-
-  function handleSave() {
-    document.body.setAttribute('mode', 'edit');
-    save(currentButton);
-  }
-
-  function enableEditMode() {
-    document.body.setAttribute('mode', 'edit');
-    document.querySelectorAll('.button').forEach(btn => {
-      btn.removeEventListener('click', handlePlay);
-      btn.addEventListener('click', enableBlocklyMode);
-    });
-  }
-
-  function enableMakerMode() {
-    document.body.setAttribute('mode', 'maker');
-    document.querySelectorAll('.button').forEach(btn => {
-      btn.addEventListener('click', handlePlay);
-      btn.removeEventListener('click', enableBlocklyMode);
-    });
-  }
-
-  function enableBlocklyMode(e) {
-    document.body.setAttribute('mode', 'blockly');
-    currentButton = e.target;
-  }
-
-  document.querySelector('#edit').addEventListener('click', enableEditMode);
-  document.querySelector('#done').addEventListener('click', enableMakerMode);
-  document.querySelector('#save').addEventListener('click', handleSave);
-
-  enableMakerMode();
-
-})();
diff --git a/demos/codelab/app/scripts/music_maker.js b/demos/codelab/app/scripts/music_maker.js
deleted file mode 100644
index adfefeddcea..00000000000
--- a/demos/codelab/app/scripts/music_maker.js
+++ /dev/null
@@ -1,22 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
- const MusicMaker = {
-  queue_: [],
-  player_: new Audio(),
-  queueSound: function(soundUrl) {
-    this.queue_.push(soundUrl);
-  },
-  play: function() {
-    let next = this.queue_.shift();
-    if (next) {
-      this.player_.src = next;
-      this.player_.play();
-    }
-  },
-};
-
-MusicMaker.player_.addEventListener(
-    'ended', MusicMaker.play.bind(MusicMaker));
diff --git a/demos/codelab/app/sounds/c4.m4a b/demos/codelab/app/sounds/c4.m4a
deleted file mode 100644
index 33941cfae15..00000000000
Binary files a/demos/codelab/app/sounds/c4.m4a and /dev/null differ
diff --git a/demos/codelab/app/sounds/c5.m4a b/demos/codelab/app/sounds/c5.m4a
deleted file mode 100644
index 49721cd31df..00000000000
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diff --git a/demos/codelab/app/sounds/d4.m4a b/demos/codelab/app/sounds/d4.m4a
deleted file mode 100644
index 51bcad6c2f1..00000000000
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diff --git a/demos/codelab/app/sounds/e4.m4a b/demos/codelab/app/sounds/e4.m4a
deleted file mode 100644
index d910052ef9f..00000000000
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diff --git a/demos/codelab/app/sounds/f4.m4a b/demos/codelab/app/sounds/f4.m4a
deleted file mode 100644
index c80a0bfd3b2..00000000000
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diff --git a/demos/codelab/app/sounds/g4.m4a b/demos/codelab/app/sounds/g4.m4a
deleted file mode 100644
index 45ea4483021..00000000000
Binary files a/demos/codelab/app/sounds/g4.m4a and /dev/null differ
diff --git a/demos/codelab/app/styles/index.css b/demos/codelab/app/styles/index.css
deleted file mode 100644
index 0ef8f3bfc90..00000000000
--- a/demos/codelab/app/styles/index.css
+++ /dev/null
@@ -1,75 +0,0 @@
-main {
-  width: 400px;
-  position: relative;
-  margin: 0 auto;
-  overflow:hidden;
-  height: 600px;
-}
-
-header {
-  background-color: green;
-  width: 100%;
-}
-
-h1 {
-  width: 400px;
-  position: relative;
-  margin: 0 auto;
-  color: #fff;
-  font-size: 1.8em;
-  line-height: 2.4em;
-}
-
-.mode-edit,
-.mode-maker,
-.mode-blockly {
-  display: none;
-}
-
-[mode="maker"] .mode-maker,
-[mode="edit"] .mode-edit,
-[mode="blockly"] .mode-blockly {
-  display: block;
-}
-
-.blockly-editor {
-  position: absolute;
-  top: 64px;
-  left: -400px;
-  transition: left .4s;
-  height: 460px;
-  width: 400px;
-  background-color: #eee;
-}
-
-[mode="blockly"] .blockly-editor {
-  left: 0;
-}
-
-.maker {
-  display: flex;
-  flex-flow: column;
-  justify-content: space-between;
-  height: 460px;
-  width: 400px;
-}
-
-.maker > div {
-  display: flex;
-  justify-content: space-between;
-}
-
-.button {
-  width: 120px;
-  height: 140px;
-  color: #fff;
-  font-size: 3em;
-  text-align: center;
-  vertical-align: middle;
-  line-height: 140px;
-}
-
-.mdl-button {
-  margin: 1em 0;
-  float: right;
-}
diff --git a/demos/custom-dialogs/custom-dialog.js b/demos/custom-dialogs/custom-dialog.js
deleted file mode 100644
index 0918891f092..00000000000
--- a/demos/custom-dialogs/custom-dialog.js
+++ /dev/null
@@ -1,161 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * An example implementation of how one might replace Blockly's browser
- * dialogs. This is just an example, and applications are not encouraged to use
- * it verbatim.
- *
- * @namespace
- */
-CustomDialog = {};
-
-/** Override Blockly.alert() with custom implementation. */
-Blockly.alert = function(message, callback) {
-  console.log('Alert: ' + message);
-  CustomDialog.show('Alert', message, {
-    onCancel: callback
-  });
-};
-
-/** Override Blockly.confirm() with custom implementation. */
-Blockly.confirm = function(message, callback) {
-  console.log('Confirm: ' + message);
-  CustomDialog.show('Confirm', message, {
-    showOkay: true,
-    onOkay: function() {
-      callback(true);
-    },
-    showCancel: true,
-    onCancel: function() {
-      callback(false);
-    }
-  });
-};
-
-/** Override Blockly.prompt() with custom implementation. */
-Blockly.prompt = function(message, defaultValue, callback) {
-  console.log('Prompt: ' + message);
-  CustomDialog.show('Prompt', message, {
-    showInput: true,
-    showOkay: true,
-    onOkay: function() {
-      callback(CustomDialog.inputField.value);
-    },
-    showCancel: true,
-    onCancel: function() {
-      callback(null);
-    }
-  });
-  CustomDialog.inputField.value = defaultValue;
-};
-
-/** Hides any currently visible dialog. */
-CustomDialog.hide = function() {
-  if (CustomDialog.backdropDiv_) {
-    CustomDialog.backdropDiv_.style.display = 'none';
-    CustomDialog.dialogDiv_.style.display = 'none';
-  }
-};
-
-/**
- * Shows the dialog.
- * Allowed options:
- *  - showOkay: Whether to show the OK button.
- *  - showCancel: Whether to show the Cancel button.
- *  - showInput: Whether to show the text input field.
- *  - onOkay: Callback to handle the okay button.
- *  - onCancel: Callback to handle the cancel button and backdrop clicks.
- */
-CustomDialog.show = function(title, message, options) {
-  var backdropDiv = CustomDialog.backdropDiv_;
-  var dialogDiv = CustomDialog.dialogDiv_;
-  if (!dialogDiv) {
-    // Generate HTML
-    backdropDiv = document.createElement('div');
-    backdropDiv.id = 'customDialogBackdrop';
-    backdropDiv.style.cssText =
-        'position: absolute;' +
-        'top: 0; left: 0; right: 0; bottom: 0;' +
-        'background-color: rgba(0, 0, 0, .7);' +
-        'z-index: 100;';
-    document.body.appendChild(backdropDiv);
-
-    dialogDiv = document.createElement('div');
-    dialogDiv.id = 'customDialog';
-    dialogDiv.style.cssText =
-        'background-color: #fff;' +
-        'width: 400px;' +
-        'margin: 20px auto 0;' +
-        'padding: 10px;';
-    backdropDiv.appendChild(dialogDiv);
-
-    dialogDiv.onclick = function(event) {
-      event.stopPropagation();
-    };
-
-    CustomDialog.backdropDiv_ = backdropDiv;
-    CustomDialog.dialogDiv_ = dialogDiv;
-  }
-  backdropDiv.style.display = 'block';
-  dialogDiv.style.display = 'block';
-
-  dialogDiv.innerHTML =
-      '<header class="customDialogTitle"></header>' +
-      '<p class="customDialogMessage"></p>' +
-      (options.showInput ? '<div><input id="customDialogInput"></div>' : '') +
-      '<div class="customDialogButtons">' +
-      (options.showCancel ? '<button id="customDialogCancel">Cancel</button>': '') +
-      (options.showOkay ? '<button id="customDialogOkay">OK</button>': '') +
-      '</div>';
-  dialogDiv.getElementsByClassName('customDialogTitle')[0]
-      .appendChild(document.createTextNode(title));
-  dialogDiv.getElementsByClassName('customDialogMessage')[0]
-      .appendChild(document.createTextNode(message));
-
-  var onOkay = function(event) {
-    CustomDialog.hide();
-    options.onOkay && options.onOkay();
-    event && event.stopPropagation();
-  };
-  var onCancel = function(event) {
-    CustomDialog.hide();
-    options.onCancel && options.onCancel();
-    event && event.stopPropagation();
-  };
-
-  var dialogInput = document.getElementById('customDialogInput');
-  CustomDialog.inputField = dialogInput;
-  if (dialogInput) {
-    dialogInput.focus();
-
-    dialogInput.onkeyup = function(event) {
-      if (event.keyCode == 13) {
-        // Process as OK when user hits enter.
-        onOkay();
-        return false;
-      } else if (event.keyCode == 27)  {
-        // Process as cancel when user hits esc.
-        onCancel();
-        return false;
-      }
-    };
-  } else {
-    var okay = document.getElementById('customDialogOkay');
-    okay && okay.focus();
-  }
-
-  if (options.showOkay) {
-    document.getElementById('customDialogOkay')
-        .addEventListener('click', onOkay);
-  }
-  if (options.showCancel) {
-    document.getElementById('customDialogCancel')
-        .addEventListener('click', onCancel);
-  }
-
-  backdropDiv.onclick = onCancel;
-};
diff --git a/demos/custom-dialogs/icon.png b/demos/custom-dialogs/icon.png
deleted file mode 100644
index ba49746e43f..00000000000
Binary files a/demos/custom-dialogs/icon.png and /dev/null differ
diff --git a/demos/custom-dialogs/index.html b/demos/custom-dialogs/index.html
deleted file mode 100644
index 9c171802efc..00000000000
--- a/demos/custom-dialogs/index.html
+++ /dev/null
@@ -1,62 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>Blockly Demo: Custom Dialog</title>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
-  <style>
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-    }
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-  </style>
-</head>
-<body>
-  <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-    <a href="../index.html">Demos</a> &gt; Custom Dialog</h1>
-
-  <p>This is a simple demo of replacing modal browser dialogs with HTML.
-     To see how it works, see the source code in
-     <a href="custom-dialog.js">custom-dialog.js</a>
-  </p>
-
-  <p>Try creating new variables, creating variables with names already in
-     use, or deleting multiple blocks on the workspace.
-  </p>
-
-  <div id="blocklyDiv" style="height: 480px; width: 600px;"></div>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
-    <category name="Inputs" colour="%{BKY_MATH_HUE}">
-      <block type="math_number" gap="32">
-        <field name="NUM">123</field>
-      </block>
-      <block type="text"></block>
-      <block type="text_prompt_ext">
-        <value name="TEXT">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-    </category>
-    <sep></sep>
-    <category name="Variables" colour="%{BKY_VARIABLES_HUE}" custom="VARIABLE"></category>
-    <category name="Functions" colour="%{BKY_PROCEDURES_HUE}" custom="PROCEDURE"></category>
-  </xml>
-
-  <script>
-    var demoWorkspace = Blockly.inject('blocklyDiv',
-        {media: '../../media/',
-         toolbox: document.getElementById('toolbox')});
-  </script>
-  <script src="custom-dialog.js"></script>
-
-</body>
-</html>
diff --git a/demos/custom-fields/icon.png b/demos/custom-fields/icon.png
deleted file mode 100644
index e69de29bb2d..00000000000
diff --git a/demos/custom-fields/index.html b/demos/custom-fields/index.html
deleted file mode 100644
index 9e681a8b605..00000000000
--- a/demos/custom-fields/index.html
+++ /dev/null
@@ -1,54 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>Blockly Demo: Custom Fields</title>
-  <style>
-    body {
-      margin: 0 10%;
-      background-color: #fff;
-      font-family: sans-serif;
-    }
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-    td {
-      padding: 1ex;
-    }
-    img {
-      border: none;
-    }
-  </style>
-</head>
-<body>
-  <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-    <a href="../index.html">Demos</a> &gt; Custom Fields</h1>
-
-  <p>These demos are intended for developers who want creating custom block fields.</p>
-
-  <table>
-    <tr>
-      <td>
-        <a href="turtle/index.html">
-          <img src="turtle/icon.png" height=80 width=100>
-        </a>
-      </td>
-      <td>
-        <div><a href="turtle/index.html">Turtle Field</a></div>
-      </td>
-    </tr>
-
-    <tr>
-      <td>
-        <a href="pitch/index.html">
-          <img src="pitch/media/notes.png" height=40 width=100>
-        </a>
-      </td>
-      <td>
-        <div><a href="pitch/index.html">Pitch Field</a></div>
-      </td>
-    </tr>
-  </table>
-</body>
-</html>
diff --git a/demos/custom-fields/pitch/blocks.js b/demos/custom-fields/pitch/blocks.js
deleted file mode 100644
index 4e0b1092f83..00000000000
--- a/demos/custom-fields/pitch/blocks.js
+++ /dev/null
@@ -1,19 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Pitch field demo blocks.
- * @author samelh@gmail.com (Sam El-Husseini)
- */
-
-Blockly.Blocks['test_pitch_field'] = {
-  init: function() {
-    this.appendDummyInput()
-        .appendField('pitch')
-        .appendField(new CustomFields.FieldPitch('7'), 'PITCH');
-    this.setStyle('loop_blocks');
-  }
-};
diff --git a/demos/custom-fields/pitch/field_pitch.js b/demos/custom-fields/pitch/field_pitch.js
deleted file mode 100644
index 5b8ef5e1a34..00000000000
--- a/demos/custom-fields/pitch/field_pitch.js
+++ /dev/null
@@ -1,239 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * https://github.com/google/blockly-games
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Music pitch input field. Borrowed from Blockly Games.
- * @author fraser@google.com (Neil Fraser)
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-goog.provide('CustomFields.FieldPitch');
-
-goog.require('Blockly.FieldTextInput');
-goog.require('Blockly.utils.math');
-goog.require('Blockly.utils.object');
-
-var CustomFields = CustomFields || {};
-
-/**
- * Class for an editable pitch field.
- * @param {string} text The initial content of the field.
- * @extends {Blockly.FieldTextInput}
- * @constructor
- */
-CustomFields.FieldPitch = function(text) {
-  CustomFields.FieldPitch.superClass_.constructor.call(this, text);
-
-  /**
-   * Click event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.clickWrapper_ = null;
-
-  /**
-   * Move event data.
-   * @type {?Blockly.EventData}
-   * @private
-   */
-  this.moveWrapper_ = null;
-};
-Blockly.utils.object.inherits(CustomFields.FieldPitch, Blockly.FieldTextInput);
-
-/**
- * Construct a FieldPitch from a JSON arg object.
- * @param {!Object} options A JSON object with options (pitch).
- * @return {!CustomFields.FieldPitch} The new field instance.
- * @package
- * @nocollapse
- */
-CustomFields.FieldPitch.fromJson = function(options) {
-  return new CustomFields.FieldPitch(options['pitch']);
-};
-
-/**
- * All notes available for the picker.
- */
-CustomFields.FieldPitch.NOTES = 'C3 D3 E3 F3 G3 A3 B3 C4 D4 E4 F4 G4 A4'.split(/ /);
-
-/**
- * Show the inline free-text editor on top of the text and the note picker.
- * @protected
- */
-CustomFields.FieldPitch.prototype.showEditor_ = function() {
-  CustomFields.FieldPitch.superClass_.showEditor_.call(this);
-
-  var div = Blockly.WidgetDiv.DIV;
-  if (!div.firstChild) {
-    // Mobile interface uses Blockly.prompt.
-    return;
-  }
-  // Build the DOM.
-  var editor = this.dropdownCreate_();
-  Blockly.DropDownDiv.getContentDiv().appendChild(editor);
-
-  Blockly.DropDownDiv.setColour(this.sourceBlock_.style.colourPrimary,
-      this.sourceBlock_.style.colourTertiary);
-
-  Blockly.DropDownDiv.showPositionedByField(
-      this, this.dropdownDispose_.bind(this));
-
-  // The note picker is different from other fields in that it updates on
-  // mousemove even if it's not in the middle of a drag.  In future we may
-  // change this behaviour.  For now, using bindEvent_ instead of
-  // bindEventWithChecks_ allows it to work without a mousedown/touchstart.
-  this.clickWrapper_ =
-      Blockly.bindEvent_(this.imageElement_, 'click', this,
-          this.hide_);
-  this.moveWrapper_ =
-      Blockly.bindEvent_(this.imageElement_, 'mousemove', this,
-          this.onMouseMove);
-
-  this.updateGraph_();
-};
-
-/**
- * Create the pitch editor.
- * @return {!Element} The newly created pitch picker.
- * @private
- */
-CustomFields.FieldPitch.prototype.dropdownCreate_ = function() {
-  this.imageElement_ = document.createElement('div');
-  this.imageElement_.id = 'notePicker';
-
-  return this.imageElement_;
-};
-
-/**
- * Dispose of events belonging to the pitch editor.
- * @private
- */
-CustomFields.FieldPitch.prototype.dropdownDispose_ = function() {
-  if (this.clickWrapper_) {
-    Blockly.unbindEvent_(this.clickWrapper_);
-    this.clickWrapper_ = null;
-  }
-  if (this.moveWrapper_) {
-    Blockly.unbindEvent_(this.moveWrapper_);
-    this.moveWrapper_ = null;
-  }
-  this.imageElement_ = null;
-};
-
-/**
- * Hide the editor.
- * @private
- */
-CustomFields.FieldPitch.prototype.hide_ = function() {
-  Blockly.WidgetDiv.hide();
-  Blockly.DropDownDiv.hideWithoutAnimation();
-};
-
-/**
- * Set the note to match the mouse's position.
- * @param {!Event} e Mouse move event.
- */
-CustomFields.FieldPitch.prototype.onMouseMove = function(e) {
-  var bBox = this.imageElement_.getBoundingClientRect();
-  var dy = e.clientY - bBox.top;
-  var note = Blockly.utils.math.clamp(Math.round(13.5 - dy / 7.5), 0, 12);
-  this.imageElement_.style.backgroundPosition = (-note * 37) + 'px 0';
-  this.setEditorValue_(note);
-};
-
-/**
- * Convert the machine-readable value (0-12) to human-readable text (C3-A4).
- * @param {number|string} value The provided value.
- * @return {string|undefined} The respective note, or undefined if invalid.
- */
-CustomFields.FieldPitch.prototype.valueToNote = function(value) {
-  return CustomFields.FieldPitch.NOTES[Number(value)];
-};
-
-/**
- * Convert the human-readable text (C3-A4) to machine-readable value (0-12).
- * @param {string} text The provided note.
- * @return {number|undefined} The respective value, or undefined if invalid.
- */
-CustomFields.FieldPitch.prototype.noteToValue = function(text) {
-  var normalizedText = text.trim().toUpperCase();
-  var i = CustomFields.FieldPitch.NOTES.indexOf(normalizedText);
-  return i > -1 ? i : undefined;
-};
-
-/**
- * Get the text to be displayed on the field node.
- * @return {?string} The HTML value if we're editing, otherwise null. Null means
- *   the super class will handle it, likely a string cast of value.
- * @protected
- */
-CustomFields.FieldPitch.prototype.getText_ = function() {
-  if (this.isBeingEdited_) {
-    return CustomFields.FieldPitch.superClass_.getText_.call(this);
-  }
-  return this.valueToNote(this.getValue()) || null;
-};
-
-/**
- * Transform the provided value into a text to show in the HTML input.
- * @param {*} value The value stored in this field.
- * @return {string} The text to show on the HTML input.
- */
-CustomFields.FieldPitch.prototype.getEditorText_ = function(value) {
-  return this.valueToNote(value);
-};
-
-/**
- * Transform the text received from the HTML input (note) into a value
- * to store in this field.
- * @param {string} text Text received from the HTML input.
- * @return {*} The value to store.
- */
-CustomFields.FieldPitch.prototype.getValueFromEditorText_ = function(text) {
-  return this.noteToValue(text);
-};
-
-/**
- * Updates the graph when the field rerenders.
- * @private
- * @override
- */
-CustomFields.FieldPitch.prototype.render_ = function() {
-  CustomFields.FieldPitch.superClass_.render_.call(this);
-  this.updateGraph_();
-};
-
-/**
- * Redraw the note picker with the current note.
- * @private
- */
-CustomFields.FieldPitch.prototype.updateGraph_ = function() {
-  if (!this.imageElement_) {
-    return;
-  }
-  var i = this.getValue();
-  this.imageElement_.style.backgroundPosition = (-i * 37) + 'px 0';
-};
-
-/**
- * Ensure that only a valid value may be entered.
- * @param {*} opt_newValue The input value.
- * @return {*} A valid value, or null if invalid.
- */
-CustomFields.FieldPitch.prototype.doClassValidation_ = function(opt_newValue) {
-  if (opt_newValue === null || opt_newValue === undefined) {
-    return null;
-  }
-  var note = this.valueToNote(opt_newValue);
-  if (note) {
-    return opt_newValue;
-  }
-  return null;
-};
-
-Blockly.fieldRegistry.register('field_pitch', CustomFields.FieldPitch);
diff --git a/demos/custom-fields/pitch/index.html b/demos/custom-fields/pitch/index.html
deleted file mode 100644
index 642482cd6ec..00000000000
--- a/demos/custom-fields/pitch/index.html
+++ /dev/null
@@ -1,120 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8">
-    <title>Blockly Demo: Custom Pitch Field</title>
-    <script src="../../../blockly_uncompressed.js"></script>
-    <script src="blocks.js"></script>
-    <script src="field_pitch.js"></script>
-    <script src="../../../msg/js/en.js"></script>
-    <style>
-      body {
-        margin: 0 10%;
-        background-color: #fff;
-        font-family: sans-serif;
-      }
-      h1 {
-        font-weight: normal;
-        font-size: 140%;
-      }
-      td {
-        padding: 1ex;
-      }
-      img {
-        border: none;
-      }
-    </style>
-    <link rel="stylesheet" type="text/css" href="pitch.css">
-  </head>
-  <body onload="start()">
-    <h1>
-      <a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-      <a href="../../index.html">Demos</a> &gt;
-      <a href="../index.html">Custom Fields</a> &gt; Pitch Field</h1>
-
-
-    <p>This is a demo of creating custom block fields. In this case the field
-      is used to select a note pitch.
-    </p>
-
-    <p>All of the custom field implementation is in
-     demos/custom-fields/pitch/field_pitch.js, including comments on each required
-     function.
-    </p>
-
-    <p>
-      <input type="button" value="Export to XML" onclick="toXml()">
-      <input type="button" value="Import from XML" onclick="fromXml()">
-    </p>
-
-    <table>
-      <tr>
-        <td>
-          <textarea id="importExport"
-                    style="width: 200px; height: 480px;"
-                    onchange="textAreaChange();"
-                    onkeyup="textAreaChange()"></textarea>
-        </td>
-        <td>
-          <div id="blocklyDiv" style="width: 600px; height: 480px;"></div>
-        </td>
-      </tr>
-    </table>
-
-    <script>
-      function toXml() {
-        var output = document.getElementById('importExport');
-        var xml = Blockly.Xml.workspaceToDom(workspace);
-        output.value = Blockly.Xml.domToPrettyText(xml);
-        output.focus();
-        output.select();
-      }
-
-      function fromXml() {
-        var input = document.getElementById('importExport');
-        var xml = Blockly.Xml.textToDom(input.value);
-        Blockly.Xml.domToWorkspace(xml, workspace);
-      }
-
-      function appendDom() {
-        var blocks = document.getElementById('workspace-blocks');
-        if (blocks.firstElementChild) {
-          Blockly.Xml.appendDomToWorkspace(blocks, workspace);
-        }
-      }
-
-      function start() {
-        workspace = Blockly.inject('blocklyDiv', options);
-        appendDom();
-        workspace.scrollCenter();
-      }
-
-      var options = {
-        media: '../../../media/',
-        grid: {
-          spacing: 25,
-          length: 3,
-          colour: '#ccc'
-        },
-        move: {
-          scrollbars: true,
-          drag: true,
-          wheel: true,
-        },
-        zoom: {
-          controls: true,
-          startScale: 1.0,
-          maxScale: 4,
-          minScale: 0.25,
-          scaleSpeed: 1.1
-        }
-        /*toolbox: document.getElementById('toolbox')*/
-      }
-
-    </script>
-
-    <xml xmlns="https://developers.google.com/blockly/xml" id="workspace-blocks" style="display: none">
-      <block type="test_pitch_field"></block>
-    </xml>
-  </body>
-</html>
diff --git a/demos/custom-fields/pitch/media/notes.png b/demos/custom-fields/pitch/media/notes.png
deleted file mode 100644
index b9a57b59eca..00000000000
Binary files a/demos/custom-fields/pitch/media/notes.png and /dev/null differ
diff --git a/demos/custom-fields/pitch/pitch.css b/demos/custom-fields/pitch/pitch.css
deleted file mode 100644
index 75d17a35d5f..00000000000
--- a/demos/custom-fields/pitch/pitch.css
+++ /dev/null
@@ -1,13 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-
-#notePicker {
-  background-image: url(media/notes.png);
-  border: 1px solid #ccc;
-  height: 109px;
-  width: 46px;
-}
\ No newline at end of file
diff --git a/demos/custom-fields/turtle/blocks.js b/demos/custom-fields/turtle/blocks.js
deleted file mode 100644
index deb28f99ff0..00000000000
--- a/demos/custom-fields/turtle/blocks.js
+++ /dev/null
@@ -1,92 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Turtle field demo blocks.
- * @author bekawestberg@gmail.com (Beka Westberg)
- */
-
-Blockly.Blocks['turtle_basic'] = {
-  init: function() {
-    this.appendDummyInput()
-        .appendField('simple turtle');
-    this.appendDummyInput()
-        .setAlign(Blockly.ALIGN_CENTRE)
-        .appendField(new CustomFields.FieldTurtle(), 'TURTLE');
-    this.setStyle('loop_blocks');
-    this.setCommentText('Demonstrates a turtle field with no validator.');
-  }
-};
-
-Blockly.Blocks['turtle_nullifier'] = {
-  init: function() {
-    this.appendDummyInput()
-        .appendField('no trademarks');
-    this.appendDummyInput()
-        .setAlign(Blockly.ALIGN_CENTRE)
-        .appendField(new CustomFields.FieldTurtle(null, null, null, this.validate)
-            , 'TURTLE');
-    this.setStyle('loop_blocks');
-    this.setCommentText('Validates combinations of names and hats to null' +
-      ' (invalid) if they could be considered infringe-y. This turns the' +
-      ' turtle field red. Infringe-y combinations are: (Leonardo, Mask),' +
-      ' (Yertle, Crown), and (Franklin, Propeller).');
-  },
-
-  validate: function(newValue) {
-    this.cachedValidatedValue_ = {
-      turtleName: newValue.turtleName,
-      pattern: newValue.pattern,
-      hat: newValue.hat,
-    };
-    if ((newValue.turtleName == 'Leonardo' && newValue.hat == 'Mask') ||
-        (newValue.turtleName == 'Yertle' && newValue.hat == 'Crown') ||
-        (newValue.turtleName == 'Franklin') && newValue.hat == 'Propeller') {
-
-      var currentValue = this.getValue();
-      if (newValue.turtleName != currentValue.turtleName) {
-        // Turtle name changed.
-        this.cachedValidatedValue_.turtleName = null;
-      } else {
-        // Hat must have changed.
-        this.cachedValidatedValue_.hat = null;
-      }
-
-      return null;
-    }
-    return newValue;
-  }
-};
-
-Blockly.Blocks['turtle_changer'] = {
-  init: function() {
-    this.appendDummyInput()
-      .setAlign(Blockly.ALIGN_CENTRE)
-        .appendField('force hats');
-    this.appendDummyInput()
-        .appendField(new CustomFields.FieldTurtle(
-            'Dots', 'Crown', 'Yertle',  this.validate), 'TURTLE');
-    this.setStyle('loop_blocks');
-    this.setCommentText('Validates the input so that certain names always' +
-      ' have specific hats. The name-hat combinations are: (Leonardo, Mask),' +
-      ' (Yertle, Crown), (Franklin, Propeller).');
-  },
-
-  validate: function(newValue) {
-    switch(newValue.turtleName) {
-      case 'Leonardo':
-        newValue.hat = 'Mask';
-        break;
-      case 'Yertle':
-        newValue.hat = 'Crown';
-        break;
-      case 'Franklin':
-        newValue.hat = 'Propeller';
-        break;
-    }
-    return newValue;
-  }
-};
diff --git a/demos/custom-fields/turtle/field_turtle.js b/demos/custom-fields/turtle/field_turtle.js
deleted file mode 100644
index f790b1d1ba1..00000000000
--- a/demos/custom-fields/turtle/field_turtle.js
+++ /dev/null
@@ -1,742 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview A field used to customize a turtle.
- * @author bekawestberg@gmail.com (Beka Westberg)
- */
-'use strict';
-
-// You must provide the constructor for your custom field.
-goog.provide('CustomFields.FieldTurtle');
-
-// You must require the abstract field class to inherit from.
-goog.require('Blockly.Field');
-goog.require('Blockly.fieldRegistry');
-goog.require('Blockly.utils');
-goog.require('Blockly.utils.dom');
-goog.require('Blockly.utils.object');
-goog.require('Blockly.utils.Size');
-
-var CustomFields = CustomFields || {};
-
-// Generally field's values should be optional, and have logical defaults.
-// If this is not possible (for example image fields can't have logical
-// defaults) the field should throw a clear error when a value is not provided.
-// Editable fields also generally accept validators, so we will accept a
-// validator.
-CustomFields.FieldTurtle = function(
-    opt_pattern, opt_hat, opt_turtleName, opt_validator) {
-
-  // The turtle field contains an object as its value, so we need to compile
-  // the parameters into an object.
-  var value = {};
-  value.pattern = opt_pattern || CustomFields.FieldTurtle.PATTERNS[0];
-  value.hat = opt_hat || CustomFields.FieldTurtle.HATS[0];
-  value.turtleName = opt_turtleName || CustomFields.FieldTurtle.NAMES[0];
-
-  // A field constructor should always call its parent constructor, because
-  // that helps keep the code organized and DRY.
-  CustomFields.FieldTurtle.superClass_.constructor.call(
-      this, value, opt_validator);
-
-  /**
-   * The size of the area rendered by the field.
-   * @type {Blockly.utils.Size}
-   * @protected
-   * @override
-   */
-  this.size_ = new Blockly.utils.Size(0, 0);
-};
-Blockly.utils.object.inherits(CustomFields.FieldTurtle, Blockly.Field);
-
-// This allows the field to be constructed using a JSON block definition.
-CustomFields.FieldTurtle.fromJson = function(options) {
-  // In this case we simply pass the JSON options along to the constructor,
-  // but you can also use this to get message references, and other such things.
-  return new CustomFields.FieldTurtle(
-    options['pattern'],
-    options['hat'],
-    options['turtleName']);
-};
-
-// Since this field is editable we must also define serializable as true
-// (for backwards compatibility reasons serializable is false by default).
-CustomFields.FieldTurtle.prototype.SERIALIZABLE = true;
-
-// The cursor property defines what the mouse will look like when the user
-// hovers over the field. By default the cursor will be whatever
-// .blocklyDraggable's cursor is defined as (vis. grab). Most fields define
-// this property as 'default'.
-CustomFields.FieldTurtle.prototype.CURSOR = 'pointer';
-
-// How far to move the text to keep it to the right of the turtle.
-// May change if the turtle gets fancy enough.
-CustomFields.FieldTurtle.prototype.TEXT_OFFSET_X = 80;
-
-// These are the different options for our turtle. Being declared this way
-// means they are static, and not translatable. If you want to do something
-// similar, but make it translatable you should set up your options like a
-// dropdown field, with language-neutral keys and human-readable values.
-CustomFields.FieldTurtle.PATTERNS =
-    ['Dots', 'Stripes', 'Hexagons'];
-CustomFields.FieldTurtle.HATS =
-    ['Stovepipe', 'Crown', 'Propeller', 'Mask', 'Fedora'];
-CustomFields.FieldTurtle.NAMES =
-    ['Yertle', 'Franklin', 'Crush', 'Leonardo', 'Bowser', 'Squirtle', 'Oogway'];
-
-// Used to keep track of our editor event listeners, so they can be
-// properly disposed of when the field closes. You can keep track of your
-// listeners however you want, just be sure to dispose of them!
-CustomFields.FieldTurtle.prototype.editorListeners_ = [];
-
-// Used to create the DOM of our field.
-CustomFields.FieldTurtle.prototype.initView = function() {
-  // Because we want to have both a borderRect_ (background) and a
-  // textElement_ (text) we can call the super-function. If we only wanted
-  // one or the other, we could call their individual createX functions.
-  CustomFields.FieldTurtle.superClass_.initView.call(this);
-
-  // Note that the field group is created by the abstract field's init_
-  // function. This means that *all elements* should be children of the
-  // fieldGroup_.
-  this.createView_();
-};
-
-// Updates how the field looks depending on if it is editable or not.
-CustomFields.FieldTurtle.prototype.updateEditable = function() {
-  if (!this.fieldGroup_) {
-    // Not initialized yet.
-    return;
-  }
-  // The default functionality just makes it so the borderRect_ does not
-  // highlight when hovered.
-  Blockly.FieldColour.superClass_.updateEditable.call(this);
-  // Things like this are best applied to the clickTarget_. By default the
-  // click target is the same as getSvgRoot, which by default is the
-  // fieldGroup_.
-  var group = this.getClickTarget_();
-  if (!this.isCurrentlyEditable()) {
-    group.style.cursor = 'not-allowed';
-  } else {
-    group.style.cursor = this.CURSOR;
-  }
-};
-
-// Gets the text to display when the block is collapsed
-CustomFields.FieldTurtle.prototype.getText = function() {
-  var text = this.value_.turtleName + ' wearing a ' + this.value_.hat;
-  if (this.value_.hat == 'Stovepipe' || this.value_.hat == 'Propeller') {
-    text += ' hat';
-  }
-  return text;
-};
-
-// Makes sure new field values (given to setValue) are valid, meaning
-// something this field can legally "hold". Class validators can either change
-// the input value, or return null if the input value is invalid. Called by
-// the setValue() function.
-CustomFields.FieldTurtle.prototype.doClassValidation_ = function(newValue) {
-  // Undefined signals that we want the value to remain unchanged. This is a
-  // special feature of turtle fields, but could be useful for other
-  // multi-part fields.
-  if (newValue.pattern == undefined) {
-    newValue.pattern = this.displayValue_ && this.displayValue_.pattern;
-  // We only want to allow patterns that are part of our pattern list.
-  // Anything else is invalid, so we return null.
-  } else if (CustomFields.FieldTurtle.PATTERNS.indexOf(newValue.pattern) == -1) {
-    newValue.pattern = null;
-  }
-
-  if (newValue.hat == undefined) {
-    newValue.hat = this.displayValue_ && this.displayValue_.hat;
-  } else if (CustomFields.FieldTurtle.HATS.indexOf(newValue.hat) == -1) {
-    newValue.hat = null;
-  }
-
-  if (newValue.turtleName == undefined) {
-    newValue.turtleName = this.displayValue_ && this.displayValue_.turtleName;
-  } else if (CustomFields.FieldTurtle.NAMES.indexOf(newValue.turtleName) == -1) {
-    newValue.turtleName = null;
-  }
-
-  // This is a strategy for dealing with defaults on multi-part values.
-  // The class validator sets individual properties of the object to null
-  // to indicate that they are invalid, and then caches that object to the
-  // cachedValidatedValue_ property. This way the field can, for
-  // example, properly handle an invalid pattern, combined with a valid hat.
-  // This can also be done with local validators.
-  this.cachedValidatedValue_ = newValue;
-
-  // Always be sure to return!
-  if (!newValue.pattern || !newValue.hat || !newValue.turtleName) {
-    return null;
-  }
-  return newValue;
-};
-
-// Saves the new field value. Called by the setValue function.
-CustomFields.FieldTurtle.prototype.doValueUpdate_ = function(newValue) {
-  // The default function sets this field's this.value_ property to the
-  // newValue, and its this.isDirty_ property to true. The isDirty_ property
-  // tells the setValue function whether the field needs to be re-rendered.
-  CustomFields.FieldTurtle.superClass_.doValueUpdate_.call(this, newValue);
-  this.displayValue_ = newValue;
-  // Since this field has custom UI for invalid values, we also want to make
-  // sure it knows it is now valid.
-  this.isValueInvalid_ = false;
-};
-
-// Notifies that the field that the new value was invalid. Called by
-// setValue function. Can either be triggered by the class validator, or the
-// local validator.
-CustomFields.FieldTurtle.prototype.doValueInvalid_ = function(invalidValue) {
-  // By default this function is no-op, meaning if the new value is invalid
-  // the field simply won't be updated. This field has custom UI for invalid
-  // values, so we override this function.
-
-  // We want the value to be displayed like normal.
-  // But we want to flag it as invalid, so the render_ function knows to
-  // make the borderRect_ red.
-  this.displayValue_ = invalidValue;
-  this.isDirty_ = true;
-  this.isValueInvalid_ = true;
-};
-
-// Updates the field's on-block display based on the current display value.
-CustomFields.FieldTurtle.prototype.render_ = function() {
-  var value = this.displayValue_;
-
-  // Always do editor updates inside render. This makes sure the editor
-  // always displays the correct value, even if a validator changes it.
-  if (this.editor_) {
-    this.renderEditor_();
-  }
-
-  this.stovepipe_.style.display = 'none';
-  this.crown_.style.display = 'none';
-  this.mask_.style.display = 'none';
-  this.propeller_.style.display = 'none';
-  this.fedora_.style.display = 'none';
-  switch(value.hat) {
-    case 'Stovepipe':
-      this.stovepipe_.style.display = '';
-      this.turtleGroup_.setAttribute('transform', 'translate(0,12)');
-      this.textElement_.setAttribute(
-          'transform', 'translate(' + this.TEXT_OFFSET_X + ',20)');
-      break;
-    case 'Crown':
-      this.crown_.style.display = '';
-      this.turtleGroup_.setAttribute('transform', 'translate(0,9)');
-      this.textElement_.setAttribute(
-          'transform', 'translate(' + this.TEXT_OFFSET_X + ',16)');
-      break;
-    case 'Mask':
-      this.mask_.style.display = '';
-      this.turtleGroup_.setAttribute('transform', 'translate(0,1.2)');
-      this.textElement_.setAttribute('transform',
-          'translate(' + this.TEXT_OFFSET_X + ',4)');
-      break;
-    case 'Propeller':
-      this.propeller_.style.display = '';
-      this.turtleGroup_.setAttribute('transform', 'translate(0,6)');
-      this.textElement_.setAttribute('transform',
-          'translate(' + this.TEXT_OFFSET_X + ',12)');
-      break;
-    case 'Fedora':
-      this.fedora_.style.display = '';
-      this.turtleGroup_.setAttribute('transform', 'translate(0,6)');
-      this.textElement_.setAttribute('transform',
-          'translate(' + this.TEXT_OFFSET_X + ',12)');
-      break;
-  }
-
-  switch(value.pattern) {
-    case 'Dots':
-      this.shellPattern_.setAttribute('fill', 'url(#polkadots)');
-      break;
-    case 'Stripes':
-      this.shellPattern_.setAttribute('fill', 'url(#stripes)');
-      break;
-    case 'Hexagons':
-      this.shellPattern_.setAttribute('fill', 'url(#hexagons)');
-      break;
-  }
-
-  // Always modify the textContent_ rather than the textElement_. This
-  // allows fields to append DOM to the textElement (e.g. the angle field).
-  this.textContent_.nodeValue = value.turtleName;
-
-  if (this.isValueInvalid_) {
-    this.borderRect_.style.fill = '#f99';
-    this.borderRect_.style.fillOpacity = 1;
-  } else {
-    this.borderRect_.style.fill = '#fff';
-    this.borderRect_.style.fillOpacity = 0.6;
-  }
-
-  this.updateSize_();
-};
-
-CustomFields.FieldTurtle.prototype.renderEditor_ = function() {
-  var value = this.displayValue_;
-
-  // .textElement is a property assigned to the element.
-  // It allows the text to be edited without destroying the warning icon.
-  this.editor_.patternText.textElement.nodeValue = value.pattern;
-  this.editor_.hatText.textElement.nodeValue = value.hat;
-  this.editor_.turtleNameText.textElement.nodeValue = value.turtleName;
-
-  this.editor_.patternText.warningIcon.style.display =
-    this.cachedValidatedValue_.pattern ? 'none' : '';
-  this.editor_.hatText.warningIcon.style.display =
-    this.cachedValidatedValue_.hat ? 'none' : '';
-  this.editor_.turtleNameText.warningIcon.style.display =
-    this.cachedValidatedValue_.turtleName ? 'none' : '';
-};
-
-// Used to update the size of the field. This function's logic could be simply
-// included inside render_ (it is not called anywhere else), but it is
-// usually separated to keep code more organized.
-CustomFields.FieldTurtle.prototype.updateSize_ = function() {
-  var bbox = this.movableGroup_.getBBox();
-  var width = bbox.width;
-  var height = bbox.height;
-  if (this.borderRect_) {
-    width += this.constants_.FIELD_BORDER_RECT_X_PADDING * 2;
-    height += this.constants_.FIELD_BORDER_RECT_X_PADDING * 2;
-    this.borderRect_.setAttribute('width', width);
-    this.borderRect_.setAttribute('height', height);
-  }
-  // Note how both the width and the height can be dynamic.
-  this.size_.width = width;
-  this.size_.height = height;
-};
-
-// Called when the field is clicked. It is usually used to show an editor,
-// but it can also be used for other things e.g. the checkbox field uses
-// this function to check/uncheck itself.
-CustomFields.FieldTurtle.prototype.showEditor_ = function() {
-  this.editor_ = this.dropdownCreate_();
-  this.renderEditor_();
-  Blockly.DropDownDiv.getContentDiv().appendChild(this.editor_);
-
-  // These allow us to have the editor match the block's colour.
-  var fillColour = this.sourceBlock_.getColour();
-  Blockly.DropDownDiv.setColour(fillColour,
-      this.sourceBlock_.style.colourTertiary);
-
-  // Always pass the dropdown div a dispose function so that you can clean
-  // up event listeners when the editor closes.
-  Blockly.DropDownDiv.showPositionedByField(
-      this, this.dropdownDispose_.bind(this));
-};
-
-// Creates the UI of the editor, and adds event listeners to it.
-CustomFields.FieldTurtle.prototype.dropdownCreate_ = function() {
-  var createRow = function(table) {
-    var row = table.appendChild(document.createElement('tr'));
-    row.className = 'row';
-    return row;
-  };
-  var createLeftArrow = function(row) {
-    var cell = document.createElement('div');
-    cell.className = 'arrow';
-    var leftArrow = document.createElement('button');
-    leftArrow.setAttribute('type', 'button');
-    leftArrow.textContent = '<';
-    cell.appendChild(leftArrow);
-    row.appendChild(cell);
-    return cell;
-  };
-  var createTextNode = function(row, text) {
-    var cell = document.createElement('div');
-    cell.className = 'text';
-    var text = document.createTextNode(text);
-    cell.appendChild(text);
-    cell.textElement = text;
-    var warning = document.createElement('img');
-    warning.setAttribute('src', 'media/warning.svg');
-    warning.setAttribute('height', '16px');
-    warning.setAttribute('width', '16px');
-    warning.style.marginLeft = '4px';
-    cell.appendChild(warning);
-    cell.warningIcon = warning;
-    row.appendChild(cell);
-    return cell;
-  };
-  var createRightArrow = function(row) {
-    var cell = document.createElement('div');
-    cell.className = 'arrow';
-    var rightArrow = document.createElement('button');
-    rightArrow.setAttribute('type', 'button');
-    rightArrow.textContent = '>';
-    cell.appendChild(rightArrow);
-    row.appendChild(cell);
-    return cell;
-  };
-  var createArrowListener = function(variable, array, direction) {
-    return function() {
-      var currentIndex = array.indexOf(this.displayValue_[variable]);
-      currentIndex += direction;
-      if (currentIndex <= -1) {
-        currentIndex = array.length - 1;
-      } else if (currentIndex >= array.length) {
-        currentIndex = 0;
-      }
-      var value = {};
-      value[variable] = array[currentIndex];
-      this.setValue(value);
-    };
-  };
-
-  var widget = document.createElement('div');
-  widget.className = 'customFieldsTurtleWidget blocklyNonSelectable';
-
-  var table = document.createElement('div');
-  table.className = 'table';
-  widget.appendChild(table);
-
-  var row = createRow(table);
-  var leftArrow = createLeftArrow(row);
-  widget.patternText = createTextNode(row, this.displayValue_.pattern);
-  var rightArrow = createRightArrow(row);
-  this.editorListeners_.push(Blockly.bindEvent_(leftArrow, 'mouseup', this,
-      createArrowListener('pattern', CustomFields.FieldTurtle.PATTERNS, -1)));
-  this.editorListeners_.push(Blockly.bindEvent_(rightArrow, 'mouseup', this,
-      createArrowListener('pattern', CustomFields.FieldTurtle.PATTERNS, 1)));
-
-  row = createRow(table);
-  leftArrow = createLeftArrow(row);
-  widget.hatText = createTextNode(row, this.displayValue_.hat);
-  rightArrow = createRightArrow(row);
-  this.editorListeners_.push(Blockly.bindEvent_(leftArrow, 'mouseup', this,
-      createArrowListener('hat', CustomFields.FieldTurtle.HATS, -1)));
-  this.editorListeners_.push(Blockly.bindEvent_(rightArrow, 'mouseup', this,
-      createArrowListener('hat', CustomFields.FieldTurtle.HATS, 1)));
-
-  row = createRow(table);
-  leftArrow = createLeftArrow(row);
-  widget.turtleNameText = createTextNode(row, this.displayValue_.turtleName);
-  rightArrow = createRightArrow(row);
-  this.editorListeners_.push(Blockly.bindEvent_(leftArrow, 'mouseup', this,
-      createArrowListener('turtleName', CustomFields.FieldTurtle.NAMES, -1)));
-  this.editorListeners_.push(Blockly.bindEvent_(rightArrow, 'mouseup', this,
-      createArrowListener('turtleName', CustomFields.FieldTurtle.NAMES, 1)));
-
-  var randomizeButton = document.createElement('button');
-  randomizeButton.className = 'randomize';
-  randomizeButton.setAttribute('type', 'button');
-  randomizeButton.textContent = 'randomize turtle';
-  this.editorListeners_.push(Blockly.bindEvent_(randomizeButton, 'mouseup', this,
-    function() {
-    var value = {};
-    value.pattern = CustomFields.FieldTurtle.PATTERNS[
-        Math.floor(Math.random() * CustomFields.FieldTurtle.PATTERNS.length)];
-
-    value.hat = CustomFields.FieldTurtle.HATS[
-      Math.floor(Math.random() * CustomFields.FieldTurtle.HATS.length)];
-
-    value.turtleName = CustomFields.FieldTurtle.NAMES[
-      Math.floor(Math.random() * CustomFields.FieldTurtle.NAMES.length)];
-
-    this.setValue(value);
-  }));
-  widget.appendChild(randomizeButton);
-
-  return widget;
-};
-
-// Cleans up any event listeners that were attached to the now hidden editor.
-CustomFields.FieldTurtle.prototype.dropdownDispose_ = function() {
-  for (var i = this.editorListeners_.length, listener;
-      listener = this.editorListeners_[i]; i--) {
-    Blockly.unbindEvent_(listener);
-    this.editorListeners_.pop();
-  }
-};
-
-// Updates the field's colour based on the colour of the block. Called by
-// block.applyColour.
-CustomFields.FieldTurtle.prototype.applyColour = function() {
-  if (!this.sourceBlock_) {
-    return;
-  }
-  // The getColourX functions are the best way to access the colours of a block.
-  var isShadow = this.sourceBlock_.isShadow();
-  var fillColour = isShadow  ?
-      this.sourceBlock_.getColourShadow() : this.sourceBlock_.getColour();
-  // This is technically a package function, meaning it could change.
-  var borderColour = isShadow ? fillColour :
-      this.sourceBlock_.style.colourTertiary;
-
-  if (this.turtleGroup_) {
-    var child = this.turtleGroup_.firstChild;
-    while(child) {
-      // If it is a text node, continue.
-      if (child.nodeType == 3) {
-        child = child.nextSibling;
-        continue;
-      }
-      // Or if it is a non-turtle node, continue.
-      var className = child.getAttribute('class');
-      if (!className || className.indexOf('turtleBody') == -1) {
-        child = child.nextSibling;
-        continue;
-      }
-
-      child.style.fill = fillColour;
-      child.style.stroke = borderColour;
-      child = child.nextSibling;
-    }
-  }
-};
-
-// Saves the field's value to an XML node. Allows for custom serialization.
-CustomFields.FieldTurtle.prototype.toXml = function(fieldElement) {
-  // The default implementation of this function creates a node that looks
-  // like this: (where value is returned by getValue())
-  // <field name="FIELDNAME">value</field>
-  // But this doesn't work for our field because it stores an /object/.
-
-  fieldElement.setAttribute('pattern', this.value_.pattern);
-  fieldElement.setAttribute('hat', this.value_.hat);
-  // The textContent usually contains whatever is closest to the field's
-  // 'value'. The textContent doesn't need to contain anything, but saving
-  // something to it does aid in readability.
-  fieldElement.textContent = this.value_.turtleName;
-
-  // Always return the element!
-  return fieldElement;
-};
-
-// Sets the field's value based on an XML node. Allows for custom
-// de-serialization.
-CustomFields.FieldTurtle.prototype.fromXml = function(fieldElement) {
-  // Because we had to do custom serialization for this field, we also need
-  // to do custom de-serialization.
-
-  var value = {};
-  value.pattern = fieldElement.getAttribute('pattern');
-  value.hat = fieldElement.getAttribute('hat');
-  value.turtleName = fieldElement.textContent;
-  // The end goal is to call this.setValue()
-  this.setValue(value);
-};
-
-// Blockly needs to know the JSON name of this field. Usually this is
-// registered at the bottom of the field class.
-Blockly.fieldRegistry.register('field_turtle', CustomFields.FieldTurtle);
-
-// Called by initView to create all of the SVGs. This is just used to keep
-// the code more organized.
-CustomFields.FieldTurtle.prototype.createView_ = function() {
-  this.movableGroup_ = Blockly.utils.dom.createSvgElement('g',
-    {
-      'transform': 'translate(0,5)'
-    }, this.fieldGroup_);
-  var scaleGroup = Blockly.utils.dom.createSvgElement('g',
-    {
-      'transform': 'scale(1.5)'
-    }, this.movableGroup_);
-  this.turtleGroup_ = Blockly.utils.dom.createSvgElement('g',
-    {
-      // Makes the smaller turtle graphic align with the hats.
-      'class': 'turtleBody'
-    }, scaleGroup);
-  var tail = Blockly.utils.dom.createSvgElement('path',
-    {
-      'class': 'turtleBody',
-      'd': 'M7,27.5H0.188c3.959-2,6.547-2.708,8.776-5.237',
-      'transform': 'translate(0.312 -12.994)'
-    }, this.turtleGroup_);
-  var legLeft = Blockly.utils.dom.createSvgElement('rect',
-    {
-      'class': 'turtleBody',
-      'x': 8.812,
-      'y': 12.506,
-      'width': 4,
-      'height': 10
-    }, this.turtleGroup_);
-  var legRight = Blockly.utils.dom.createSvgElement('rect',
-    {
-      'class': 'turtleBody',
-      'x': 28.812,
-      'y': 12.506,
-      'width': 4,
-      'height': 10
-    }, this.turtleGroup_);
-  var head = Blockly.utils.dom.createSvgElement('path',
-    {
-      'class': 'turtleBody',
-      'd': 'M47.991,17.884c0,1.92-2.144,3.477-4.788,3.477a6.262,6.262,0,0,1-2.212-.392c-0.2-.077-1.995,2.343-4.866,3.112a17.019,17.019,0,0,1-6.01.588c-4.413-.053-2.5-3.412-2.745-3.819-0.147-.242,2.232.144,6.126-0.376a7.392,7.392,0,0,0,4.919-2.588c0-1.92,2.144-3.477,4.788-3.477S47.991,15.964,47.991,17.884Z',
-      'transform': 'translate(0.312 -12.994)'
-    }, this.turtleGroup_);
-  var smile = Blockly.utils.dom.createSvgElement('path',
-    {
-      'class': 'turtleBody',
-      'd': 'M42.223,18.668a3.614,3.614,0,0,0,2.728,2.38',
-      'transform': 'translate(0.312 -12.994)'
-    }, this.turtleGroup_);
-  var sclera = Blockly.utils.dom.createSvgElement('ellipse',
-    {
-      'cx': 43.435,
-      'cy': 2.61,
-      'rx': 2.247,
-      'ry': 2.61,
-      'fill': '#fff'
-    }, this.turtleGroup_);
-  var pupil = Blockly.utils.dom.createSvgElement('ellipse',
-    {
-      'cx': 44.166,
-      'cy': 3.403,
-      'rx': 1.318,
-      'ry': 1.62
-    }, this.turtleGroup_);
-  var shell = Blockly.utils.dom.createSvgElement('path',
-    {
-      'class': 'turtleBody',
-      'd': 'M33.4,27.5H7.193c0-6,5.866-13.021,13.1-13.021S33.4,21.5,33.4,27.5Z',
-      'transform': 'translate(0.312 -12.994)'
-    }, this.turtleGroup_);
-  this.shellPattern_ = Blockly.utils.dom.createSvgElement('path',
-    {
-      'd': 'M33.4,27.5H7.193c0-6,5.866-13.021,13.1-13.021S33.4,21.5,33.4,27.5Z',
-      'transform': 'translate(0.312 -12.994)'
-    }, this.turtleGroup_);
-
-  this.stovepipe_ = Blockly.utils.dom.createSvgElement('image',
-    {
-      'width': '50',
-      'height': '18'
-    }, scaleGroup);
-  this.stovepipe_.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href',
-    'media/stovepipe.svg');
-  this.crown_ = Blockly.utils.dom.createSvgElement('image',
-    {
-      'width': '50',
-      'height': '15'
-    }, scaleGroup);
-  this.crown_.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href',
-    'media/crown.svg');
-  this.mask_ = Blockly.utils.dom.createSvgElement('image',
-    {
-      'width': '50',
-      'height': '14'
-    }, scaleGroup);
-  this.mask_.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href',
-    'media/mask.svg');
-  this.propeller_ = Blockly.utils.dom.createSvgElement('image',
-    {
-      'width': '50',
-      'height': '11'
-    }, scaleGroup);
-  this.propeller_.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href',
-    'media/propeller.svg');
-  this.fedora_ = Blockly.utils.dom.createSvgElement('image',
-    {
-      'width': '50',
-      'height': '12'
-    }, scaleGroup);
-  this.fedora_.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href',
-    'media/fedora.svg');
-
-  // Even if we're not going to display it right away, we want to create all
-  // of our DOM elements inside this function.
-  this.crown_.style.display = 'none';
-  this.mask_.style.display = 'none';
-  this.propeller_.style.display = 'none';
-  this.fedora_.style.display = 'none';
-
-  this.movableGroup_.appendChild(this.textElement_);
-  this.textElement_.setAttribute(
-      'transform', 'translate(' + this.TEXT_OFFSET_X + ',20)');
-
-  this.defs_ = Blockly.utils.dom.createSvgElement('defs', {}, this.fieldGroup_);
-  this.polkadotPattern_ = Blockly.utils.dom.createSvgElement('pattern',
-    {
-      'id': 'polkadots',
-      'patternUnits': 'userSpaceOnUse',
-      'width': 10,
-      'height': 10
-    }, this.defs_);
-  this.polkadotGroup_ = Blockly.utils.dom.createSvgElement(
-    'g', {}, this.polkadotPattern_);
-  Blockly.utils.dom.createSvgElement('circle',
-    {
-      'cx': 2.5,
-      'cy': 2.5,
-      'r': 2.5,
-      'fill': '#000',
-      'fill-opacity': .3
-    }, this.polkadotGroup_);
-  Blockly.utils.dom.createSvgElement('circle',
-    {
-      'cx': 7.5,
-      'cy': 7.5,
-      'r': 2.5,
-      'fill': '#000',
-      'fill-opacity': .3
-    }, this.polkadotGroup_);
-
-  this.hexagonPattern_ = Blockly.utils.dom.createSvgElement('pattern',
-    {
-      'id': 'hexagons',
-      'patternUnits': 'userSpaceOnUse',
-      'width': 10,
-      'height': 8.68,
-      'patternTransform': 'translate(2) rotate(45)'
-    }, this.defs_);
-  Blockly.utils.dom.createSvgElement('polygon',
-    {
-      'id': 'hex',
-      'points': '4.96,4.4 7.46,5.84 7.46,8.74 4.96,10.18 2.46,8.74 2.46,5.84',
-      'stroke': '#000',
-      'stroke-opacity': .3,
-      'fill-opacity': 0
-    }, this.hexagonPattern_);
-  var use = Blockly.utils.dom.createSvgElement('use',
-    {
-      'x': 5,
-    }, this.hexagonPattern_);
-  use.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href', '#hex');
-  use = Blockly.utils.dom.createSvgElement('use',
-    {
-      'x': -5,
-    }, this.hexagonPattern_);
-  use.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href', '#hex');
-  use = Blockly.utils.dom.createSvgElement('use',
-    {
-      'x': 2.5,
-      'y': -4.34
-    }, this.hexagonPattern_);
-  use.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href', '#hex');
-  use = Blockly.utils.dom.createSvgElement('use',
-    {
-      'x': -2.5,
-      'y': -4.34
-    }, this.hexagonPattern_);
-  use.setAttributeNS('http://www.w3.org/1999/xlink', 'xlink:href', '#hex');
-
-  this.stripesPattern_ = Blockly.utils.dom.createSvgElement('pattern',
-    {
-      'id': 'stripes',
-      'patternUnits': 'userSpaceOnUse',
-      'width': 5,
-      'height': 10,
-      'patternTransform': 'rotate(45)'
-    }, this.defs_);
-  Blockly.utils.dom.createSvgElement('line',
-    {
-      'x1': 0,
-      'y1': 0,
-      'x2': 0,
-      'y2': 10,
-      'stroke-width': 4,
-      'stroke': '#000',
-      'stroke-opacity': .3
-    }, this.stripesPattern_);
-};
diff --git a/demos/custom-fields/turtle/icon.png b/demos/custom-fields/turtle/icon.png
deleted file mode 100644
index 3a7314ac970..00000000000
Binary files a/demos/custom-fields/turtle/icon.png and /dev/null differ
diff --git a/demos/custom-fields/turtle/index.html b/demos/custom-fields/turtle/index.html
deleted file mode 100644
index 9bc4dfeb237..00000000000
--- a/demos/custom-fields/turtle/index.html
+++ /dev/null
@@ -1,175 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8">
-    <title>Blockly Demo: Custom Turtle Field</title>
-    <script src="../../../blockly_uncompressed.js"></script>
-    <script src="blocks.js"></script>
-    <script src="field_turtle.js"></script>
-    <script src="../../../msg/js/en.js"></script>
-    <style>
-      body {
-        margin: 0 10%;
-        background-color: #fff;
-        font-family: sans-serif;
-      }
-      h1 {
-        font-weight: normal;
-        font-size: 140%;
-      }
-      td {
-        padding: 1ex;
-      }
-      img {
-        border: none;
-      }
-    </style>
-    <link rel="stylesheet" type="text/css" href="turtle.css">
-  </head>
-  <body onload="start()">
-    <h1>
-      <a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-      <a href="../../index.html">Demos</a> &gt;
-      <a href="../index.html">Custom Fields</a> &gt; Turtle Field</h1>
-
-
-    <p>This is a demo of creating custom block fields. In this case the field
-      is used to define a turtle.
-    </p>
-
-    <p>All of the custom field implementation is in
-     demos/custom-fields/turtle/field_turtle.js, including comments on each required
-     function.
-    </p>
-
-    <p>Click on the blocks' comment icons to learn what they are demonstrating.
-      Use the buttons below to see how the fields react to changes.
-    </p>
-
-    <p>
-      <input type="button" value="set random style" onclick="setRandomStyle()">
-      <input type="button" value="toggle shadow" onclick="toggleShadow()">
-      <input type="button" value="toggle enabled" onclick="toggleEnabled()">
-      <input type="button" value="toggle editable" onclick="toggleEditable()">
-      <input type="button" value="toggle collapsed" onclick="toggleCollapsed()">
-    </p>
-
-    <p>
-      <input type="button" value="Export to XML" onclick="toXml()">
-      <input type="button" value="Import from XML" onclick="fromXml()">
-    </p>
-
-    <table>
-      <tr>
-        <td>
-          <textarea id="importExport"
-                    style="width: 200px; height: 480px;"
-                    onchange="textAreaChange();"
-                    onkeyup="textAreaChange()"></textarea>
-        </td>
-        <td>
-          <div id="blocklyDiv" style="width: 600px; height: 480px;"></div>
-        </td>
-      </tr>
-    </table>
-
-    <script>
-      function toXml() {
-        var output = document.getElementById('importExport');
-        var xml = Blockly.Xml.workspaceToDom(workspace);
-        output.value = Blockly.Xml.domToPrettyText(xml);
-        output.focus();
-        output.select();
-      }
-
-      function fromXml() {
-        var input = document.getElementById('importExport');
-        var xml = Blockly.Xml.textToDom(input.value);
-        Blockly.Xml.domToWorkspace(xml, workspace);
-      }
-
-      function setRandomStyle() {
-        var blocks = workspace.getAllBlocks(false);
-        var styles =
-            Object.keys(workspace.getRenderer().getConstants().blockStyles);
-        styles.splice(styles.indexOf(blocks[0].getStyleName()), 1);
-        var style = styles[Math.floor(Math.random() * styles.length)];
-        for(var i = 0, block; block = blocks[i]; i++) {
-          block.setStyle(style);
-        }
-      }
-
-      function toggleShadow() {
-        var blocks = workspace.getAllBlocks(false);
-        for(var i = 0, block; block = blocks[i]; i++) {
-          block.setShadow(!block.isShadow());
-        }
-      }
-
-      function toggleEnabled() {
-        var blocks = workspace.getAllBlocks(false);
-        for(var i = 0, block; block = blocks[i]; i++) {
-          block.setEnabled(!block.isEnabled());
-        }
-      }
-
-      function toggleEditable() {
-        Blockly.hideChaff();
-        var blocks = workspace.getAllBlocks(false);
-        for(var i = 0, block; block = blocks[i]; i++) {
-          block.setEditable(!block.isEditable());
-        }
-      }
-
-      function toggleCollapsed() {
-        Blockly.hideChaff();
-        var blocks = workspace.getAllBlocks(false);
-        for(var i = 0, block; block = blocks[i]; i++) {
-          block.setCollapsed(!block.isCollapsed());
-        }
-      }
-
-      function appendDom() {
-        var blocks = document.getElementById('workspace-blocks');
-        if (blocks.firstElementChild) {
-          Blockly.Xml.appendDomToWorkspace(blocks, workspace);
-        }
-      }
-
-      function start() {
-        workspace = Blockly.inject('blocklyDiv', options);
-        appendDom();
-        workspace.scrollCenter();
-      }
-
-      var options = {
-        media: '../../../media/',
-        grid: {
-          spacing: 25,
-          length: 3,
-          colour: '#ccc'
-        },
-        move: {
-          scrollbars: true,
-          drag: true,
-          wheel: true,
-        },
-        zoom: {
-          controls: true,
-          startScale: 1.0,
-          maxScale: 4,
-          minScale: 0.25,
-          scaleSpeed: 1.1
-        }
-        /*toolbox: document.getElementById('toolbox')*/
-      }
-
-    </script>
-
-    <xml xmlns="https://developers.google.com/blockly/xml" id="workspace-blocks" style="display: none">
-      <block type="turtle_basic"></block>
-      <block type="turtle_nullifier" y="120"></block>
-      <block type="turtle_changer" y="230"></block>
-    </xml>
-  </body>
-</html>
diff --git a/demos/custom-fields/turtle/media/crown.svg b/demos/custom-fields/turtle/media/crown.svg
deleted file mode 100644
index 3eebccb9228..00000000000
--- a/demos/custom-fields/turtle/media/crown.svg
+++ /dev/null
@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 50 15"><defs><style>.a{fill:#fff200;}.b{fill:#f3bd1f;}</style></defs><title>crown</title><polygon class="a" points="38.778 13.941 46.824 9.457 44.8 1.575 43.401 7.589 38.826 4.23 39.147 9.918 33.292 8.096 38.778 13.941"/><circle class="a" cx="33.228" cy="7.972" r="1.194" transform="translate(0.253 16.931) rotate(-28.691)"/><circle class="a" cx="38.785" cy="4.3" r="1.194" transform="translate(2.698 19.148) rotate(-28.691)"/><circle class="a" cx="44.662" cy="1.663" r="1.194" transform="translate(4.685 21.646) rotate(-28.691)"/><polygon class="b" points="37.846 12.954 46.508 8.199 46.154 6.836 36.888 11.921 37.846 12.954"/></svg>
\ No newline at end of file
diff --git a/demos/custom-fields/turtle/media/fedora.svg b/demos/custom-fields/turtle/media/fedora.svg
deleted file mode 100644
index 4a354491bd8..00000000000
--- a/demos/custom-fields/turtle/media/fedora.svg
+++ /dev/null
@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 50 12"><defs><style>.a{fill:#8b5e3c;}.b{fill:#3c2415;}.c{fill:none;stroke:#754c29;stroke-linecap:round;stroke-miterlimit:10;}</style></defs><title>fedora</title><polygon class="a" points="38.548 9.742 38.264 4.844 41.403 5.223 42.508 1.407 47.846 5.918 46.334 7.664 38.548 9.742"/><path class="b" d="M41.133,8.362l1.1,0.236c1.9-1.066,3.844-2.051,4.741-3.392L45.78,4.193A22.044,22.044,0,0,1,41.133,8.362Z"/><path class="c" d="M37.233,11.3A12.1,12.1,0,0,1,40.4,9.09c1.7-.743,3.625-0.71,5.325-1.3a5.62,5.62,0,0,0,2.678-2.5"/></svg>
\ No newline at end of file
diff --git a/demos/custom-fields/turtle/media/mask.svg b/demos/custom-fields/turtle/media/mask.svg
deleted file mode 100644
index eb4fded1c7a..00000000000
--- a/demos/custom-fields/turtle/media/mask.svg
+++ /dev/null
@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 50 14"><defs><style>.a{fill:#00aeef;}</style></defs><title>mask</title><path class="a" d="M43.5,0.94C42.329,1.2,39.032,3.75,39,4.531a21.249,21.249,0,0,0,3.5,1.811,10.847,10.847,0,0,0,4.065,0c0.751-.189,2.812-1.03,2.729-1.893-0.116-1.2-1.7-2.561-2.478-3.007A4.983,4.983,0,0,0,43.5.94Zm0.64,5.29a2.409,2.409,0,0,1-2.251-2.564,2.272,2.272,0,1,1,4.493,0A2.4,2.4,0,0,1,44.139,6.23Z"/><polygon class="a" points="38.996 4.531 42.106 9.154 40.018 13.776 38.996 4.531"/><polygon class="a" points="38.996 4.531 37.456 9.544 33.559 11.437 38.996 4.531"/></svg>
\ No newline at end of file
diff --git a/demos/custom-fields/turtle/media/propeller.svg b/demos/custom-fields/turtle/media/propeller.svg
deleted file mode 100644
index bf0a433fd2b..00000000000
--- a/demos/custom-fields/turtle/media/propeller.svg
+++ /dev/null
@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 50 11"><defs><style>.a{fill:#00aeef;}.b{fill:#ed1c24;}.c{fill:#fff200;}</style></defs><title>propeller</title><path class="a" d="M39.974,3.854c-2.022.99-2.948,3.89-1.509,6.828L40.716,9.56A10.329,10.329,0,0,1,39.974,3.854Z"/><path class="b" d="M39.974,3.854c1.975-.967,4.846-0.012,6.319,3L44.277,7.873A8.089,8.089,0,0,0,39.974,3.854Z"/><path class="c" d="M39.974,3.854a8.088,8.088,0,0,1,4.3,4.02l-3.55,1.71A10.011,10.011,0,0,1,39.974,3.854Z"/><path class="c" d="M35.795,4.493a3.81,3.81,0,0,1,1.016-.871A3.548,3.548,0,0,1,38.032,3.1a4.2,4.2,0,0,0,1.483-.434,9.15,9.15,0,0,0,1.245-.92A4.585,4.585,0,0,1,41.926,1.1a3.941,3.941,0,0,1,1.3-.3L43.364,1.1a3.941,3.941,0,0,1-1.031.84,4.585,4.585,0,0,1-1.219.53,9.149,9.149,0,0,0-1.49.419,4.194,4.194,0,0,0-1.252.905,3.549,3.549,0,0,1-1.164.642A3.81,3.81,0,0,1,35.9,4.7Z"/></svg>
\ No newline at end of file
diff --git a/demos/custom-fields/turtle/media/stovepipe.svg b/demos/custom-fields/turtle/media/stovepipe.svg
deleted file mode 100644
index 6971ff7fdb6..00000000000
--- a/demos/custom-fields/turtle/media/stovepipe.svg
+++ /dev/null
@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 50 18"><defs><style>.a,.c{fill:#231f20;stroke:#231f20;}.a,.b,.c{stroke-linejoin:round;}.b{fill:#fff;stroke:#fff;}.c{stroke-linecap:round;}</style></defs><title>stovepipe</title><rect class="a" x="33.995" y="2.114" width="8.322" height="11.675" transform="translate(0.82 19.139) rotate(-28.453)"/><rect class="b" x="36.206" y="10.835" width="8.322" height="2.394" transform="translate(-0.856 20.686) rotate(-28.453)"/><line class="c" x1="35.164" y1="16.971" x2="47.341" y2="10.373"/></svg>
\ No newline at end of file
diff --git a/demos/custom-fields/turtle/media/warning.svg b/demos/custom-fields/turtle/media/warning.svg
deleted file mode 100644
index 11136c1ef33..00000000000
--- a/demos/custom-fields/turtle/media/warning.svg
+++ /dev/null
@@ -1,5 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16">
-    <path style="fill: #00c; stroke: #fff; stroke-width: 1px;" d="M2,15Q-1,15 0.5,12L6.5,1.7Q8,-1 9.5,1.7L15.5,12Q17,15 14,15z"></path>
-    <path style="fill: #fff;" d="m7,4.8v3.16l0.27,2.27h1.46l0.27,-2.27v-3.16z"></path>
-    <rect style="fill: #fff;" x="7" y="11" height="2" width="2"></rect>
-</svg>
diff --git a/demos/custom-fields/turtle/turtle.css b/demos/custom-fields/turtle/turtle.css
deleted file mode 100644
index ed5e9b3078c..00000000000
--- a/demos/custom-fields/turtle/turtle.css
+++ /dev/null
@@ -1,48 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-.customFieldsTurtleWidget {
-  width: 150px;
-}
-
-.customFieldsTurtleWidget button {
-  border-radius: 4px;
-  border: none;
-  background-color: #fff;
-  opacity: .6;
-  color: #000;
-}
-
-.customFieldsTurtleWidget .table {
-  width: 100%;
-}
-
-.customFieldsTurtleWidget .row {
-  width: 100%;
-  display: flex;
-}
-
-.customFieldsTurtleWidget .arrow {
-  text-align: center;
-  padding: 0;
-  flex-grow: 0;
-}
-
-.customFieldsTurtleWidget .text {
-  height: 20px;
-  color: #fff;
-  flex-grow: 1;
-  text-align: center;
-}
-
-.customFieldsTurtleWidget .randomize {
-  width: 100%;
-}
-
-.blocklySvg .blocklyNonEditableText text,
-.blocklySvg .blocklyEditableText text {
-  fill: #000;
-}
diff --git a/demos/fixed/icon.png b/demos/fixed/icon.png
deleted file mode 100644
index 0a80ef9a3b8..00000000000
Binary files a/demos/fixed/icon.png and /dev/null differ
diff --git a/demos/fixed/index.html b/demos/fixed/index.html
deleted file mode 100644
index 85d634608f4..00000000000
--- a/demos/fixed/index.html
+++ /dev/null
@@ -1,49 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>Blockly Demo: Fixed Blockly</title>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
-  <style>
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-    }
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-  </style>
-</head>
-<body>
-  <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-    <a href="../index.html">Demos</a> &gt; Fixed Blockly</h1>
-
-  <p>This is a simple demo of injecting Blockly into a fixed-sized 'div' element.</p>
-
-  <p>&rarr; More info on <a href="https://developers.google.com/blockly/guides/configure-blockly/web/fixed-size">injecting fixed-sized Blockly</a>&hellip;</p>
-
-  <div id="blocklyDiv" style="height: 480px; width: 600px;"></div>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
-    <block type="controls_if"></block>
-    <block type="logic_compare"></block>
-    <block type="controls_repeat_ext"></block>
-    <block type="math_number">
-      <field name="NUM">123</field>
-    </block>
-    <block type="math_arithmetic"></block>
-    <block type="text"></block>
-    <block type="text_print"></block>
-  </xml>
-
-  <script>
-    var demoWorkspace = Blockly.inject('blocklyDiv',
-        {media: '../../media/',
-         toolbox: document.getElementById('toolbox')});
-  </script>
-
-</body>
-</html>
diff --git a/demos/generator/icon.png b/demos/generator/icon.png
deleted file mode 100644
index c1a84f03427..00000000000
Binary files a/demos/generator/icon.png and /dev/null differ
diff --git a/demos/generator/index.html b/demos/generator/index.html
deleted file mode 100644
index 6f8744398d0..00000000000
--- a/demos/generator/index.html
+++ /dev/null
@@ -1,148 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>Blockly Demo: Generating JavaScript</title>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../javascript_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
-  <style>
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-    }
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-  </style>
-</head>
-<body>
-  <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-    <a href="../index.html">Demos</a> &gt; Generating JavaScript</h1>
-
-  <p>This is a simple demo of generating code from blocks and running
-  the code in a sandboxed JavaScript interpreter.</p>
-
-  <p>&rarr; More info on <a href="https://developers.google.com/blockly/guides/configure/web/code-generators">Code Generators</a> and <a href="https://developers.google.com/blockly/guides/app-integration/running-javascript">Running JavaScript</a>.</p>
-
-  <p>
-    <button onclick="showCode()">Show JavaScript</button>
-    <button onclick="runCode()">Run JavaScript</button>
-  </p>
-
-  <div id="blocklyDiv" style="height: 480px; width: 600px;"></div>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
-    <category name="Logic" colour="%{BKY_LOGIC_HUE}">
-      <block type="controls_if"></block>
-      <block type="logic_compare"></block>
-      <block type="logic_operation"></block>
-      <block type="logic_negate"></block>
-      <block type="logic_boolean"></block>
-    </category>
-    <category name="Loops" colour="%{BKY_LOOPS_HUE}">
-      <block type="controls_repeat_ext">
-        <value name="TIMES">
-          <block type="math_number">
-            <field name="NUM">10</field>
-          </block>
-        </value>
-      </block>
-      <block type="controls_whileUntil"></block>
-    </category>
-    <category name="Math" colour="%{BKY_MATH_HUE}">
-      <block type="math_number">
-        <field name="NUM">123</field>
-      </block>
-      <block type="math_arithmetic"></block>
-      <block type="math_single"></block>
-    </category>
-    <category name="Text" colour="%{BKY_TEXTS_HUE}">
-      <block type="text"></block>
-      <block type="text_length"></block>
-      <block type="text_print"></block>
-    </category>
-  </xml>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="startBlocks" style="display: none">
-    <block type="controls_if" inline="false" x="20" y="20">
-      <mutation else="1"></mutation>
-      <value name="IF0">
-        <block type="logic_compare" inline="true">
-          <field name="OP">EQ</field>
-          <value name="A">
-            <block type="math_arithmetic" inline="true">
-              <field name="OP">MULTIPLY</field>
-              <value name="A">
-                <block type="math_number">
-                  <field name="NUM">6</field>
-                </block>
-              </value>
-              <value name="B">
-                <block type="math_number">
-                  <field name="NUM">7</field>
-                </block>
-              </value>
-            </block>
-          </value>
-          <value name="B">
-            <block type="math_number">
-              <field name="NUM">42</field>
-            </block>
-          </value>
-        </block>
-      </value>
-      <statement name="DO0">
-        <block type="text_print" inline="false">
-          <value name="TEXT">
-            <block type="text">
-              <field name="TEXT">Don't panic</field>
-            </block>
-          </value>
-        </block>
-      </statement>
-      <statement name="ELSE">
-        <block type="text_print" inline="false">
-          <value name="TEXT">
-            <block type="text">
-              <field name="TEXT">Panic</field>
-            </block>
-          </value>
-        </block>
-      </statement>
-    </block>
-  </xml>
-
-  <script>
-    var demoWorkspace = Blockly.inject('blocklyDiv',
-        {media: '../../media/',
-         toolbox: document.getElementById('toolbox')});
-    Blockly.Xml.domToWorkspace(document.getElementById('startBlocks'),
-                               demoWorkspace);
-
-    function showCode() {
-      // Generate JavaScript code and display it.
-      Blockly.JavaScript.INFINITE_LOOP_TRAP = null;
-      var code = Blockly.JavaScript.workspaceToCode(demoWorkspace);
-      alert(code);
-    }
-
-    function runCode() {
-      // Generate JavaScript code and run it.
-      window.LoopTrap = 1000;
-      Blockly.JavaScript.INFINITE_LOOP_TRAP =
-          'if (--window.LoopTrap == 0) throw "Infinite loop.";\n';
-      var code = Blockly.JavaScript.workspaceToCode(demoWorkspace);
-      Blockly.JavaScript.INFINITE_LOOP_TRAP = null;
-      try {
-        eval(code);
-      } catch (e) {
-        alert(e);
-      }
-    }
-  </script>
-
-</body>
-</html>
diff --git a/demos/graph/icon.png b/demos/graph/icon.png
deleted file mode 100644
index 7828463dee6..00000000000
Binary files a/demos/graph/icon.png and /dev/null differ
diff --git a/demos/graph/index.html b/demos/graph/index.html
deleted file mode 100644
index 2e68c847537..00000000000
--- a/demos/graph/index.html
+++ /dev/null
@@ -1,364 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>Blockly Demo: Graph</title>
-  <script src="https://www.google.com/jsapi"></script>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../javascript_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
-  <style>
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-    }
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-    #funcText {
-      margin-top: 1em;
-      margin-left: 1.5em;
-      font-family: sans-serif;
-    }
-    #funcText>img {
-      height: 3px;
-      width: 15px;
-      vertical-align: middle;
-      margin-right: .5em;
-    }
-    #y1 {
-      background-color: #36c;
-    }
-  </style>
-</head>
-<body>
-  <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-    <a href="../index.html">Demos</a> &gt; Graph</h1>
-
-  <p>This is a demo of giving instant feedback as blocks are changed.</p>
-
-  <p>&rarr; More info on <a href="https://developers.google.com/blockly/guides/configure/web/code-generators#generating_code">Realtime generation</a>&hellip;</p>
-
-  <table>
-    <tr>
-      <td>
-        <div id="visualization" style="width: 400px"></div>
-      </td>
-      <td>
-        <div id="blocklyDiv" style="height: 400px"></div>
-      </td>
-    </tr>
-  </table>
-
-  <div id="funcText">
-    <img id="y1" src="../../media/1x1.gif">
-    ...
-  </div>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
-    <category name="Math" colour="%{BKY_MATH_HUE}">
-      <block type="math_number">
-        <field name="NUM">123</field>
-      </block>
-      <block type="math_arithmetic">
-        <value name="A">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="B">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_single">
-        <value name="NUM">
-          <shadow type="math_number">
-            <field name="NUM">9</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_trig">
-        <value name="NUM">
-          <shadow type="math_number">
-            <field name="NUM">45</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_constant"></block>
-      <block type="math_number_property">
-        <value name="NUMBER_TO_CHECK">
-          <shadow type="math_number">
-            <field name="NUM">0</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_round">
-        <value name="NUM">
-          <shadow type="math_number">
-            <field name="NUM">3.1</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_modulo">
-        <value name="DIVIDEND">
-          <shadow type="math_number">
-            <field name="NUM">64</field>
-          </shadow>
-        </value>
-        <value name="DIVISOR">
-          <shadow type="math_number">
-            <field name="NUM">10</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_constrain">
-        <value name="VALUE">
-          <shadow type="math_number">
-            <field name="NUM">50</field>
-          </shadow>
-        </value>
-        <value name="LOW">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="HIGH">
-          <shadow type="math_number">
-            <field name="NUM">100</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_random_int">
-        <value name="FROM">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="TO">
-          <shadow type="math_number">
-            <field name="NUM">100</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_random_float"></block>
-      <block type="math_atan2">
-        <value name="X">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="Y">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-      </block>
-    </category>
-    <category name="Variables" colour="%{BKY_VARIABLES_HUE}">
-      <block type="graph_get_x"></block>
-    </category>
-    <category name="Logic" colour="%{BKY_LOGIC_HUE}">
-      <block type="logic_compare"></block>
-      <block type="logic_operation"></block>
-      <block type="logic_negate"></block>
-      <block type="logic_boolean"></block>
-      <block type="logic_ternary"></block>
-    </category>
-  </xml>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="startBlocks" style="display: none">
-    <block type="graph_set_y" deletable="false" x="100" y="100">
-      <value name="VALUE">
-        <block type="math_arithmetic">
-          <field name="OP">POWER</field>
-          <value name="A">
-            <block type="graph_get_x"></block>
-            <shadow type="math_number">
-              <field name="NUM">1</field>
-            </shadow>
-          </value>
-          <value name="B">
-            <block type="math_number">
-              <field name="NUM">2</field>
-            </block>
-            <shadow type="math_number">
-              <field name="NUM">1</field>
-            </shadow>
-          </value>
-        </block>
-      </value>
-    </block>
-  </xml>
-
-  <script>
-// Load the Google Chart Tools Visualization API and the chart package.
-if (typeof google == 'object') {
-  google.load('visualization', '1', {packages: ['corechart']});
-} else {
-  alert('Unable to load Google\'s chart API.\n' +
-        'Are you connected to the Internet?');
-}
-
-// Define the custom blocks and their JS generators.
-Blockly.defineBlocksWithJsonArray([{
-  "type": "graph_get_x",
-  "message0": "x",
-  "output": "Number",
-  "colour": Blockly.Msg['VARIABLES_HUE'],
-  "tooltip": Blockly.Msg['VARIABLES_GET_TOOLTIP'],
-  "helpUrl": Blockly.Msg['VARIABLES_GET_HELPURL']
-}]);
-
-Blockly.JavaScript['graph_get_x'] = function(block) {
-  // x variable getter.
-  return ['x', Blockly.JavaScript.ORDER_ATOMIC];
-};
-
-Blockly.defineBlocksWithJsonArray([{
-  "type": "graph_set_y",
-  "message0": "y = %1",
-  "args0": [
-    {
-      "type": "input_value",
-      "name": "VALUE",
-      "check": "Number"
-    }
-  ],
-  "colour": Blockly.Msg['VARIABLES_HUE'],
-  "tooltip": Blockly.Msg['VARIABLES_SET_TOOLTIP'],
-  "helpUrl": Blockly.Msg['VARIABLES_SET_HELPURL']
-}]);
-
-Blockly.JavaScript['graph_set_y'] = function(block) {
-  // y variable setter.
-  var argument0 = Blockly.JavaScript.valueToCode(block, 'VALUE',
-      Blockly.JavaScript.ORDER_ASSIGNMENT) || '';
-  return 'y = ' + argument0 + ';';
-};
-
-/**
- * Create a namespace for the application.
- */
-var Graph = {};
-
-/**
- * Main Blockly workspace.
- * @type {Blockly.WorkspaceSvg}
- */
-Graph.workspace = null;
-
-/**
- * Cached copy of the function string.
- * @type {?string}
- * @private
- */
-Graph.oldFormula_ = null;
-
-/**
- * Drawing options for the Chart API.
- * @type {!Object}
- * @private
- */
-Graph.options_ = {
-  //curveType: 'function',
-  width: 400, height: 400,
-  chartArea: {left: '10%', width: '85%', height: '85%'}
-};
-
-/**
- * Visualize the graph of y = f(x) using Google Chart Tools.
- * For more documentation on Google Chart Tools, see this linechart example:
- * https://developers.google.com/chart/interactive/docs/gallery/linechart
- */
-Graph.drawVisualization = function() {
-  var formula = Blockly.JavaScript.workspaceToCode(Graph.workspace);
-  if (formula === Graph.oldFormula_) {
-    // No change in the formula, don't recompute.
-    return;
-  }
-  Graph.oldFormula_ = formula;
-
-  // Create and populate the data table.
-  var data = google.visualization.arrayToDataTable(Graph.plot(formula));
-  // Create and draw the visualization, passing in the data and options.
-  new google.visualization.LineChart(document.getElementById('visualization')).
-      draw(data, Graph.options_);
-
-  // Create the "y = ..." label.  Find the relevant part of the code.
-  formula = formula.substring(formula.indexOf('y = '));
-  formula = formula.substring(0, formula.indexOf(';'));
-  var funcText = document.getElementById('funcText');
-  funcText.replaceChild(document.createTextNode(formula), funcText.lastChild);
-};
-
-/**
- * Plot points on the function y = f(x).
- * @param {string} code JavaScript code.
- * @return {!Array.<!Array>} 2D Array of points on the graph.
- */
-Graph.plot = function(code) {
-  // Initialize a table with two column headings.
-  var table = [];
-  var y;
-  // TODO: Improve range and scale of graph.
-  for (var x = -10; x <= 10; x = Math.round((x + 0.1) * 10) / 10) {
-    try {
-      eval(code);
-    } catch (e) {
-      y = NaN;
-    }
-    if (!isNaN(y)) {
-      // Prevent y from being displayed inconsistently, some in decimals, some
-      // in scientific notation, often when y has accumulated rounding errors.
-      y = Math.round(y * Math.pow(10, 14)) / Math.pow(10, 14);
-      table.push([x, y]);
-    }
-  }
-  // Add column heading to table.
-  if (table.length) {
-    table.unshift(['x', 'y']);
-  } else {
-    // If the table is empty, add a [0, 0] row to prevent graph error.
-    table.unshift(['x', 'y'], [0, 0]);
-  }
-  return table;
-};
-
-/**
- * Force Blockly to resize into the available width.
- */
-Graph.resize = function() {
-  var width = Math.max(window.innerWidth - 440, 250);
-  document.getElementById('blocklyDiv').style.width = width + 'px';
-  Blockly.svgResize(Graph.workspace);
-};
-
-/**
- * Initialize Blockly and the graph.  Called on page load.
- */
-Graph.init = function() {
-  Graph.workspace = Blockly.inject('blocklyDiv',
-      {collapse: false,
-       disable: false,
-       media: '../../media/',
-       toolbox: document.getElementById('toolbox')});
-  Blockly.Xml.domToWorkspace(document.getElementById('startBlocks'),
-                             Graph.workspace);
-  Graph.workspace.clearUndo();
-
-  // When Blockly changes, update the graph.
-  Graph.workspace.addChangeListener(Graph.drawVisualization);
-  Graph.workspace.addChangeListener(Blockly.Events.disableOrphans);
-  Graph.resize();
-};
-
-window.addEventListener('load', Graph.init);
-window.addEventListener('resize', Graph.resize);
-  </script>
-
-</body>
-</html>
diff --git a/demos/headless/icon.png b/demos/headless/icon.png
deleted file mode 100644
index f431dc40c13..00000000000
Binary files a/demos/headless/icon.png and /dev/null differ
diff --git a/demos/headless/index.html b/demos/headless/index.html
deleted file mode 100644
index 174537c37ca..00000000000
--- a/demos/headless/index.html
+++ /dev/null
@@ -1,120 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>Blockly Demo: Headless</title>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../python_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
-  <style>
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-    }
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-    td {
-      vertical-align: top;
-    }
-    textarea {
-      width: 100%;
-      height: 20em;
-    }
-  </style>
-</head>
-<body>
-  <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-    <a href="../index.html">Demos</a> &gt; Headless</h1>
-
-  <p>This is a simple demo of generating Python code from XML with no graphics.
-  This might be useful for server-side code generation.</p>
-
-  <table style="width: 100%">
-    <tr>
-      <td style="width:50%">
-        <textarea id="xml_input">
-<xml xmlns="https://developers.google.com/blockly/xml">
-  <block type="controls_if" inline="false" x="20" y="20">
-    <mutation else="1"></mutation>
-    <value name="IF0">
-      <block type="logic_compare" inline="true">
-        <field name="OP">EQ</field>
-        <value name="A">
-          <block type="math_arithmetic" inline="true">
-            <field name="OP">MULTIPLY</field>
-            <value name="A">
-              <block type="math_number">
-                <field name="NUM">6</field>
-              </block>
-            </value>
-            <value name="B">
-              <block type="math_number">
-                <field name="NUM">7</field>
-              </block>
-            </value>
-          </block>
-        </value>
-        <value name="B">
-          <block type="math_number">
-            <field name="NUM">42</field>
-          </block>
-        </value>
-      </block>
-    </value>
-    <statement name="DO0">
-      <block type="text_print" inline="false">
-        <value name="TEXT">
-          <block type="text">
-            <field name="TEXT">Don't panic</field>
-          </block>
-        </value>
-      </block>
-    </statement>
-    <statement name="ELSE">
-      <block type="text_print" inline="false">
-        <value name="TEXT">
-          <block type="text">
-            <field name="TEXT">Panic</field>
-          </block>
-        </value>
-      </block>
-    </statement>
-  </block>
-</xml>
-        </textarea>
-      </td>
-      <td>
-      </td>
-      <td style="width:50%">
-        <textarea id="code_output" readonly></textarea>
-      </td>
-    </tr>
-  </table>
-
-  <div style="text-align: center">
-    <button onclick="generate()">Generate Python &#10548;</button>
-  </div>
-
-  <script>
-    function generate() {
-      // Parse the XML into a tree.
-      var xmlText = document.getElementById('xml_input').value;
-      try {
-        var xml = Blockly.Xml.textToDom(xmlText)
-      } catch (e) {
-        alert(e);
-        return;
-      }
-      // Create a headless workspace.
-      var demoWorkspace = new Blockly.Workspace();
-      Blockly.Xml.domToWorkspace(xml, demoWorkspace);
-      var code = Blockly.Python.workspaceToCode(demoWorkspace);
-      document.getElementById('code_output').value = code;
-    }
-  </script>
-
-</body>
-</html>
diff --git a/demos/index.html b/demos/index.html
index d97b89c5120..b180d53d8bf 100644
--- a/demos/index.html
+++ b/demos/index.html
@@ -24,143 +24,10 @@
 <body>
   <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt; Demos</h1>
 
-  <p>These demos are intended for developers who want to integrate Blockly with
-  their own applications.</p>
+  <p>Check out the <a href="https://google.github.io/blockly-samples/">Blockly samples page</a> for a comprehensive list of demos for developers who want to integrate Blockly into their own applications.</p>
+  <p>The demos on this page combine Blockly features and AppEngine storage.</p>
 
   <table>
-    <tr>
-      <td>
-        <a href="fixed/index.html">
-          <img src="fixed/icon.png" height=80 width=100>
-        </a>
-      </td>
-      <td>
-        <div><a href="fixed/index.html">Fixed Blockly</a></div>
-        <div>Inject Blockly into a page as a fixed element.</div>
-      </td>
-    </tr>
-
-    <tr>
-      <td>
-        <a href="resizable/index.html">
-          <img src="resizable/icon.png" height=80 width=100>
-        </a>
-      </td>
-      <td>
-        <div><a href="resizable/index.html">Resizable Blockly</a></div>
-        <div>Inject Blockly into a page as a resizable element.</div>
-      </td>
-    </tr>
-
-    <tr>
-      <td>
-        <a href="toolbox/index.html">
-          <img src="toolbox/icon.png" height=80 width=100>
-        </a>
-      </td>
-      <td>
-        <div><a href="toolbox/index.html">Defining the Toolbox</a></div>
-        <div>Organize blocks into categories for the user.</div>
-      </td>
-    </tr>
-
-    <tr>
-      <td>
-        <a href="maxBlocks/index.html">
-          <img src="maxBlocks/icon.png" height=80 width=100>
-        </a>
-      </td>
-      <td>
-        <div><a href="maxBlocks/index.html">Maximum Block Limit</a></div>
-        <div>Limit the total number of blocks allowed (for academic exercises).</div>
-      </td>
-    </tr>
-
-    <tr>
-      <td>
-        <a href="generator/index.html">
-          <img src="generator/icon.png" height=80 width=100>
-        </a>
-      </td>
-      <td>
-        <div><a href="generator/index.html">Generate JavaScript</a></div>
-        <div>Turn blocks into code and execute it.</div>
-      </td>
-    </tr>
-
-    <tr>
-      <td>
-        <a href="headless/index.html">
-          <img src="headless/icon.png" height=80 width=100>
-        </a>
-      </td>
-      <td>
-        <div><a href="headless/index.html">Headless</a></div>
-        <div>Generate code from XML without graphics.</div>
-      </td>
-    </tr>
-
-    <tr>
-      <td>
-        <a href="interpreter/index.html">
-          <img src="interpreter/icon.png" height=80 width=100>
-        </a>
-      </td>
-      <td>
-        <div style="font-weight: bold">JS Interpreter</div>
-        <div>Demo #1: <a href="interpreter/step-execution.html">Step by step execution in JavaScript.</a></div>
-        <div>Demo #2: <a href="interpreter/async-execution.html">Asynchronous execution in JavaScript.</a></div>
-      </td>
-    </tr>
-
-    <tr>
-      <td>
-        <a href="graph/index.html">
-          <img src="graph/icon.png" height=80 width=100>
-        </a>
-      </td>
-      <td>
-        <div><a href="graph/index.html">Graph</a></div>
-        <div>Instant updates when blocks are changed.</div>
-      </td>
-    </tr>
-
-    <tr>
-      <td>
-        <a href="rtl/index.html">
-          <img src="rtl/icon.png" height=80 width=100>
-        </a>
-      </td>
-      <td>
-        <div><a href="rtl/index.html">RTL</a></div>
-        <div>See what Blockly looks like in right-to-left mode (for Arabic and Hebrew).</div>
-      </td>
-    </tr>
-
-    <tr>
-      <td>
-        <a href="custom-dialogs/index.html">
-          <img src="custom-dialogs/icon.png" height=80 width=100>
-        </a>
-      </td>
-      <td>
-        <div><a href="custom-dialogs/index.html">Custom Dialogs</a></div>
-        <div>Override Blockly browser dialogs with custom implementations.</div>
-      </td>
-    </tr>
-
-    <tr>
-      <td>
-        <a href="custom-fields/index.html">
-          <img src="custom-fields/turtle/icon.png" height=80 width=100>
-        </a>
-      </td>
-      <td>
-        <div><a href="custom-fields/index.html">Custom Fields</a></div>
-        <div>Implement a custom field.</div>
-      </td>
-    </tr>
-
     <tr>
       <td>
         <a href="storage/index.html">
@@ -173,42 +40,6 @@ <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt; Demos</h1>
       </td>
     </tr>
 
-    <tr>
-      <td>
-        <a href="mirror/index.html">
-          <img src="mirror/icon.png" height=80 width=100>
-        </a>
-      </td>
-      <td>
-        <div><a href="mirror/index.html">Mirrored Blockly</a></div>
-        <div>Two Blockly instances connected as leader-follower.</div>
-      </td>
-    </tr>
-
-    <tr>
-      <td>
-        <a href="accessible/index.html">
-          <img src="accessible/icon.png" height=80 width=100>
-        </a>
-      </td>
-      <td>
-        <div><a href="accessible/index.html">Accessible Blockly</a></div>
-        <div>Version of Blockly accessible to screen readers.</div>
-      </td>
-    </tr>
-
-    <tr>
-      <td>
-        <a href="plane/index.html">
-          <img src="plane/icon.png" height=80 width=100>
-        </a>
-      </td>
-      <td>
-        <div><a href="plane/index.html">Plane</a></div>
-        <div>Using Closure Templates to support 35 languages.</div>
-      </td>
-    </tr>
-
     <tr>
       <td>
         <a href="code/index.html">
@@ -232,17 +63,6 @@ <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt; Demos</h1>
         <div>Build custom blocks and setup a toolbox using Blockly.</div>
       </td>
     </tr>
-    <tr>
-      <td>
-        <a href="keyboard_nav/index.html">
-          <img src="keyboard_nav/icon.png" height=80 width=150>
-        </a>
-      </td>
-      <td>
-        <div><a href="keyboard_nav/index.html">Keyboard Navigation</a></div>
-        <div>Demos keyboard navigation.</div>
-      </td>
-    </tr>
   </table>
 </body>
 </html>
diff --git a/demos/interpreter/acorn_interpreter.js b/demos/interpreter/acorn_interpreter.js
deleted file mode 100644
index 19db1c3ef58..00000000000
--- a/demos/interpreter/acorn_interpreter.js
+++ /dev/null
@@ -1,143 +0,0 @@
-// Acorn: Copyright 2012 Marijn Haverbeke, MIT License
-var mod$$inline_58=function(a){function b(a){n=a||{};for(var b in Ua)Object.prototype.hasOwnProperty.call(n,b)||(n[b]=Ua[b]);wa=n.sourceFile||null}function c(a,b){var c=Ab(k,a);b+=" ("+c.line+":"+c.column+")";var d=new SyntaxError(b);d.pos=a;d.loc=c;d.raisedAt=f;throw d;}function d(a){function b(a){if(1==a.length)return c+="return str === "+JSON.stringify(a[0])+";";c+="switch(str){";for(var va=0;va<a.length;++va)c+="case "+JSON.stringify(a[va])+":";c+="return true}return false;"}a=a.split(" ");var c=
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-u.prototype.stepMemberExpression=function(a,b,c){if(!b.oa)return b.oa=!0,new v(c.object,b.scope);if(c.computed)if(b.Eb)c=b.value;else return b.i=b.value,b.Eb=!0,new v(c.property,b.scope);else b.i=b.value,c=c.property.name;a.pop();if(b.ga)a[a.length-1].value=[b.i,c];else{c=this.u(b.i,c);if(this.I)return ed(this,c,b.i);a[a.length-1].value=c}};u.prototype.stepNewExpression=u.prototype.stepCallExpression;
-u.prototype.stepObjectExpression=function(a,b,c){var d=b.o||0,e=c.properties[d];if(b.i){var g=e.key;if("Identifier"===g.type)var n=g.name;else if("Literal"===g.type)n=g.value;else throw SyntaxError("Unknown object structure: "+g.type);b.xa[n]||(b.xa[n]={});b.xa[n][e.kind]=b.value;b.o=++d;e=c.properties[d]}else b.i=this.h(this.B),b.xa=Object.create(null);if(e)return new v(e.value,b.scope);for(g in b.xa)c=b.xa[g],"get"in c||"set"in c?this.setProperty(b.i,g,Ia,{configurable:!0,enumerable:!0,get:c.get,
-set:c.set}):this.setProperty(b.i,g,c.init);a.pop();a[a.length-1].value=b.i};u.prototype.stepProgram=function(a,b,c){if(a=c.body.shift())return b.done=!1,new v(a,b.scope);b.done=!0};u.prototype.stepReturnStatement=function(a,b,c){if(c.argument&&!b.K)return b.K=!0,new v(c.argument,b.scope);dd(this,3,b.value,void 0)};u.prototype.stepSequenceExpression=function(a,b,c){var d=b.o||0;if(c=c.expressions[d])return b.o=d+1,new v(c,b.scope);a.pop();a[a.length-1].value=b.value};
-u.prototype.stepSwitchStatement=function(a,b,c){if(!b.V)return b.V=1,new v(c.discriminant,b.scope);1===b.V&&(b.V=2,b.Pb=b.value,b.Pa=-1);for(;;){var d=b.Ta||0,e=c.cases[d];if(b.ta||!e||e.test)if(e||b.ta||-1===b.Pa)if(e){if(!b.ta&&!b.qb&&e.test)return b.qb=!0,new v(e.test,b.scope);if(b.ta||b.value===b.Pb){b.ta=!0;var g=b.o||0;if(e.consequent[g])return b.Jb=!0,b.o=g+1,new v(e.consequent[g],b.scope)}b.qb=!1;b.o=0;b.Ta=d+1}else{a.pop();break}else b.ta=!0,b.Ta=b.Pa;else b.Pa=d,b.Ta=d+1}};
-u.prototype.stepThisExpression=function(a){a.pop();a[a.length-1].value=$c(this,"this")};u.prototype.stepThrowStatement=function(a,b,c){if(b.K)I(this,b.value);else return b.K=!0,new v(c.argument,b.scope)};
-u.prototype.stepTryStatement=function(a,b,c){if(!b.zb)return b.zb=!0,new v(c.block,b.scope);if(b.T&&4===b.T.type&&!b.Cb&&c.handler)return b.Cb=!0,a=new v(c.handler,b.scope),a.Qb=b.T.value,b.T=void 0,a;if(!b.Bb&&c.finalizer)return b.Bb=!0,new v(c.finalizer,b.scope);a.pop();b.T&&dd(this,b.T.type,b.T.value,b.T.label)};
-u.prototype.stepUnaryExpression=function(a,b,c){if(!b.K)return b.K=!0,a=new v(c.argument,b.scope),a.ga="delete"===c.operator,a;a.pop();var d=b.value;if("-"===c.operator)d=-d;else if("+"===c.operator)d=+d;else if("!"===c.operator)d=!d;else if("~"===c.operator)d=~d;else if("delete"===c.operator){c=!0;if(Array.isArray(d)){var e=d[0];e===Ba&&(e=b.scope);d=String(d[1]);try{delete e.a[d]}catch(g){b.scope.P?I(this,this.g,"Cannot delete property '"+d+"' of '"+e+"'"):c=!1}}d=c}else if("typeof"===c.operator)d=
-d&&"Function"===d.F?"function":typeof d;else if("void"===c.operator)d=void 0;else throw SyntaxError("Unknown unary operator: "+c.operator);a[a.length-1].value=d};
-u.prototype.stepUpdateExpression=function(a,b,c){if(!b.Y)return b.Y=!0,a=new v(c.argument,b.scope),a.ga=!0,a;b.sa||(b.sa=b.value);b.na&&(b.$=b.value);if(!b.na){var d=bd(this,b.sa);b.$=d;if(this.I)return b.na=!0,ed(this,d,b.sa)}if(b.ia)a.pop(),a[a.length-1].value=b.Wa;else{d=Number(b.$);if("++"===c.operator)var e=d+1;else if("--"===c.operator)e=d-1;else throw SyntaxError("Unknown update expression: "+c.operator);c=c.prefix?e:d;if(d=cd(this,b.sa,e))return b.ia=!0,b.Wa=c,fd(this,d,b.sa,e);a.pop();a[a.length-
-1].value=c}};u.prototype.stepVariableDeclaration=function(a,b,c){c=c.declarations;var d=b.o||0,e=c[d];b.lb&&e&&(ad(this,e.id.name,b.value),b.lb=!1,e=c[++d]);for(;e;){if(e.init)return b.o=d,b.lb=!0,new v(e.init,b.scope);e=c[++d]}a.pop()};u.prototype.stepWithStatement=function(a,b,c){if(b.oa)if(b.Ab)a.pop();else return b.Ab=!0,a=Zc(this,b.scope,b.value),new v(c.body,a);else return b.oa=!0,new v(c.object,b.scope)};u.prototype.stepWhileStatement=u.prototype.stepDoWhileStatement;this.Interpreter=u;
-u.prototype.step=u.prototype.step;u.prototype.run=u.prototype.nb;u.prototype.appendCode=u.prototype.ub;u.prototype.createObject=u.prototype.ma;u.prototype.createObjectProto=u.prototype.h;u.prototype.createAsyncFunction=u.prototype.eb;u.prototype.createNativeFunction=u.prototype.b;u.prototype.getProperty=u.prototype.u;u.prototype.setProperty=u.prototype.setProperty;u.prototype.nativeToPseudo=u.prototype.ua;u.prototype.pseudoToNative=u.prototype.J;u.prototype.createPrimitive=function(a){return a};
diff --git a/demos/interpreter/async-execution.html b/demos/interpreter/async-execution.html
deleted file mode 100644
index 70f2492d2b1..00000000000
--- a/demos/interpreter/async-execution.html
+++ /dev/null
@@ -1,267 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>Blockly Demo: Asynchronous Execution with JS Interpreter</title>
-  <script src="acorn_interpreter.js"></script>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../javascript_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
-  <script src="wait_block.js"></script>
-  <style>
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-    }
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-  </style>
-</head>
-<body>
-  <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-    <a href="../index.html">Demos</a> &gt; Asynchronous Execution with JS Interpreter</h1>
-
-  <p>This is a demo of executing code asynchronously (e.g., waiting for delays or user input) using the JavaScript interpreter.</p>
-
-  <p>&rarr; <a href="https://developers.google.com/blockly/guides/configure-blockly/web/running-javascript#js_interpreter">More info on running code with JS Interpreter</a></p>
-
-  <p>
-    <button onclick="runCode()" id="runButton">Run JavaScript</button>
-  </p>
-
-  <div style="width: 100%">
-    <div id="blocklyDiv"
-        style="display: inline-block; height: 480px; width: 58%"></div>
-    <textarea id="output" disabled="disabled"
-        style="display: inline-block; height: 480px; width: 38%;">
-    </textarea>
-  </div>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
-    <category name="Logic" colour="%{BKY_LOGIC_HUE}">
-      <block type="controls_if"></block>
-      <block type="logic_compare"></block>
-      <block type="logic_operation"></block>
-      <block type="logic_negate"></block>
-      <block type="logic_boolean"></block>
-    </category>
-    <category name="Loops" colour="%{BKY_LOOPS_HUE}">
-      <block type="controls_repeat_ext">
-        <value name="TIMES">
-          <block type="math_number">
-            <field name="NUM">10</field>
-          </block>
-        </value>
-      </block>
-      <block type="controls_whileUntil"></block>
-    </category>
-    <category name="Math" colour="%{BKY_MATH_HUE}">
-      <block type="math_number">
-        <field name="NUM">123</field>
-      </block>
-      <block type="math_arithmetic"></block>
-      <block type="math_single"></block>
-    </category>
-    <category name="Text" colour="%{BKY_TEXTS_HUE}">
-      <block type="text"></block>
-      <block type="text_length"></block>
-      <block type="text_print"></block>
-      <block type="text_prompt_ext">
-        <value name="TEXT">
-          <block type="text"></block>
-        </value>
-      </block>
-    </category>
-    <sep></sep>
-    <category name="Variables" custom="VARIABLE" colour="%{BKY_VARIABLES_HUE}">
-    </category>
-    <category name="Functions" custom="PROCEDURE" colour="%{BKY_PROCEDURES_HUE}">
-    </category>
-  </xml>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="startBlocks" style="display: none">
-    <block type="variables_set" id="set_n_initial" inline="true" x="20" y="20">
-      <field name="VAR">n</field>
-      <value name="VALUE">
-        <block type="math_number">
-          <field name="NUM">1</field>
-        </block>
-      </value>
-      <next>
-        <block type="controls_repeat_ext" id="repeat" inline="true">
-          <value name="TIMES">
-            <block type="math_number">
-              <field name="NUM">4</field>
-            </block>
-          </value>
-          <statement name="DO">
-            <block type="wait_seconds" id="wait">
-              <field name="SECONDS">1.0</field>
-              <next>
-                <block type="variables_set" id="set_n_update" inline="true">
-                  <field name="VAR">n</field>
-                  <value name="VALUE">
-                    <block type="math_arithmetic" inline="true">
-                      <field name="OP">MULTIPLY</field>
-                      <value name="A">
-                        <block type="variables_get">
-                          <field name="VAR">n</field>
-                        </block>
-                      </value>
-                      <value name="B">
-                        <block type="math_number">
-                          <field name="NUM">2</field>
-                        </block>
-                      </value>
-                    </block>
-                  </value>
-                  <next>
-                    <block type="text_print" id="print" inline="false">
-                      <value name="TEXT">
-                        <block type="variables_get">
-                          <field name="VAR">n</field>
-                        </block>
-                      </value>
-                    </block>
-                  </next>
-                </block>
-              </next>
-            </block>
-          </statement>
-        </block>
-      </next>
-    </block>
-  </xml>
-
-  <script>
-    var demoWorkspace = Blockly.inject('blocklyDiv',
-        {media: '../../media/',
-         toolbox: document.getElementById('toolbox')});
-    Blockly.Xml.domToWorkspace(document.getElementById('startBlocks'),
-                               demoWorkspace);
-
-    // Exit is used to signal the end of a script.
-    Blockly.JavaScript.addReservedWords('exit');
-
-    var outputArea = document.getElementById('output');
-    var runButton = document.getElementById('runButton');
-    var myInterpreter = null;
-    var runner;
-
-    function initApi(interpreter, globalObject) {
-      // Add an API function for the alert() block, generated for "text_print" blocks.
-      var wrapper = function(text) {
-        text = text ? text.toString() : '';
-        outputArea.value = outputArea.value + '\n' + text;
-      };
-      interpreter.setProperty(globalObject, 'alert',
-          interpreter.createNativeFunction(wrapper));
-
-      // Add an API function for the prompt() block.
-      var wrapper = function(text) {
-        text = text ? text.toString() : '';
-        return interpreter.createPrimitive(prompt(text));
-      };
-      interpreter.setProperty(globalObject, 'prompt',
-          interpreter.createNativeFunction(wrapper));
-
-      // Add an API for the wait block.  See wait_block.js
-      initInterpreterWaitForSeconds(interpreter, globalObject);
-
-      // Add an API function for highlighting blocks.
-      var wrapper = function(id) {
-        id = id ? id.toString() : '';
-        return interpreter.createPrimitive(highlightBlock(id));
-      };
-      interpreter.setProperty(globalObject, 'highlightBlock',
-          interpreter.createNativeFunction(wrapper));
-    }
-
-    var highlightPause = false;
-    var latestCode = '';
-
-    function highlightBlock(id) {
-      demoWorkspace.highlightBlock(id);
-      highlightPause = true;
-    }
-
-    function resetStepUi(clearOutput) {
-      demoWorkspace.highlightBlock(null);
-      highlightPause = false;
-      runButton.disabled = '';
-
-      if (clearOutput) {
-        outputArea.value = 'Program output:\n=================';
-      }
-    }
-
-    function generateCodeAndLoadIntoInterpreter() {
-      // Generate JavaScript code and parse it.
-      Blockly.JavaScript.STATEMENT_PREFIX = 'highlightBlock(%1);\n';
-      Blockly.JavaScript.addReservedWords('highlightBlock');
-      latestCode = Blockly.JavaScript.workspaceToCode(demoWorkspace);
-
-      resetStepUi(true);
-    }
-
-    function resetInterpreter() {
-      myInterpreter = null;
-      if (runner) {
-        clearTimeout(runner);
-        runner = null;
-      }
-    }
-
-    function runCode() {
-      if (!myInterpreter) {
-        // First statement of this code.
-        // Clear the program output.
-        resetStepUi(true);
-        runButton.disabled = 'disabled';
-
-        // And then show generated code in an alert.
-        // In a timeout to allow the outputArea.value to reset first.
-        setTimeout(function() {
-          alert('Ready to execute the following code\n' +
-            '===================================\n' +
-            latestCode);
-
-          // Begin execution
-          highlightPause = false;
-          myInterpreter = new Interpreter(latestCode, initApi);
-          runner = function() {
-            if (myInterpreter) {
-              var hasMore = myInterpreter.run();
-              if (hasMore) {
-                // Execution is currently blocked by some async call.
-                // Try again later.
-                setTimeout(runner, 10);
-              } else {
-                // Program is complete.
-                outputArea.value += '\n\n<< Program complete >>';
-                resetInterpreter();
-                resetStepUi(false);
-              }
-            }
-          };
-          runner();
-        }, 1);
-        return;
-      }
-    }
-
-    // Load the interpreter now, and upon future changes.
-    generateCodeAndLoadIntoInterpreter();
-    demoWorkspace.addChangeListener(function(event) {
-      if (!(event instanceof Blockly.Events.Ui)) {
-        // Something changed. Parser needs to be reloaded.
-        resetInterpreter();
-        generateCodeAndLoadIntoInterpreter();
-      }
-    });
-  </script>
-</body>
-</html>
diff --git a/demos/interpreter/icon.png b/demos/interpreter/icon.png
deleted file mode 100644
index b70d1b03595..00000000000
Binary files a/demos/interpreter/icon.png and /dev/null differ
diff --git a/demos/interpreter/index.html b/demos/interpreter/index.html
deleted file mode 100644
index 52e49eee4f2..00000000000
--- a/demos/interpreter/index.html
+++ /dev/null
@@ -1,11 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8"/>
-  <title>Redirecting...</title>
-  <meta http-equiv="refresh" content="0;URL='step-execution.html'"/>
-</head>
-<body>
-Redirecting to <a href="step-execution.html">step execution JS-Interpreter demo</a>.
-</body>
-</html>
diff --git a/demos/interpreter/step-execution.html b/demos/interpreter/step-execution.html
deleted file mode 100644
index 03e62aed67e..00000000000
--- a/demos/interpreter/step-execution.html
+++ /dev/null
@@ -1,254 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>Blockly Demo: Step Execution with JS Interpreter</title>
-  <script src="acorn_interpreter.js"></script>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../javascript_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
-  <style>
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-    }
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-  </style>
-</head>
-<body>
-  <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-    <a href="../index.html">Demos</a> &gt; Step Execution with JS Interpreter</h1>
-
-  <p>This is a demo of executing code step-by-step with a sandboxed JavaScript interpreter.</p>
-
-  <p>The generator's <code>Blockly.JavaScript.STATEMENT_PREFIX</code> is assigned <code>'highlightBlock(%1);\n'</code>,
-  where <code>%1</code> is the block id. The call to <code>highlightBlock()</code> will highlight the identified block
-  and set the variable <code>highlightPause</code> to <code>true</code>.</p>
-
-  <p>"Parse JavaScript" will generate the code and load it into the interpreter. Then, each press of the
-  "Step JavaScript" button will run the interpreter one step until the <code>highlightPause</code> is true.
-  That is, until <code>highlightBlock()</code> has highlighted the block that will be executed on the next step.</p>
-
-  <p>&rarr; <a href="https://developers.google.com/blockly/guides/configure-blockly/web/running-javascript#js_interpreter">More info on running code with JS Interpreter</a></p>
-
-  <p>
-    <button onclick="stepCode()" id="stepButton">Step JavaScript</button>
-  </p>
-
-  <div style="width: 100%">
-    <div id="blocklyDiv"
-        style="display: inline-block; height: 480px; width: 58%"></div>
-    <textarea id="output" disabled="disabled"
-        style="display: inline-block; height: 480px; width: 38%;">
-    </textarea>
-  </div>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
-    <category name="Logic" colour="%{BKY_LOGIC_HUE}">
-      <block type="controls_if"></block>
-      <block type="logic_compare"></block>
-      <block type="logic_operation"></block>
-      <block type="logic_negate"></block>
-      <block type="logic_boolean"></block>
-    </category>
-    <category name="Loops" colour="%{BKY_LOOPS_HUE}">
-      <block type="controls_repeat_ext">
-        <value name="TIMES">
-          <block type="math_number">
-            <field name="NUM">10</field>
-          </block>
-        </value>
-      </block>
-      <block type="controls_whileUntil"></block>
-    </category>
-    <category name="Math" colour="%{BKY_MATH_HUE}">
-      <block type="math_number">
-        <field name="NUM">123</field>
-      </block>
-      <block type="math_arithmetic"></block>
-      <block type="math_single"></block>
-    </category>
-    <category name="Text" colour="%{BKY_TEXTS_HUE}">
-      <block type="text"></block>
-      <block type="text_length"></block>
-      <block type="text_print"></block>
-      <block type="text_prompt_ext">
-        <value name="TEXT">
-          <block type="text"></block>
-        </value>
-      </block>
-    </category>
-    <sep></sep>
-    <category name="Variables" custom="VARIABLE" colour="%{BKY_VARIABLES_HUE}">
-    </category>
-    <category name="Functions" custom="PROCEDURE" colour="%{BKY_PROCEDURES_HUE}">
-    </category>
-  </xml>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="startBlocks" style="display: none">
-    <block type="variables_set" id="set_n_initial" inline="true" x="20" y="20">
-      <field name="VAR">n</field>
-      <value name="VALUE">
-        <block type="math_number">
-          <field name="NUM">1</field>
-        </block>
-      </value>
-      <next>
-        <block type="controls_repeat_ext" id="repeat" inline="true">
-          <value name="TIMES">
-            <block type="math_number">
-              <field name="NUM">4</field>
-            </block>
-          </value>
-          <statement name="DO">
-            <block type="variables_set" id="set_n_update" inline="true">
-              <field name="VAR">n</field>
-              <value name="VALUE">
-                <block type="math_arithmetic" inline="true">
-                  <field name="OP">MULTIPLY</field>
-                  <value name="A">
-                    <block type="variables_get">
-                      <field name="VAR">n</field>
-                    </block>
-                  </value>
-                  <value name="B">
-                    <block type="math_number">
-                      <field name="NUM">2</field>
-                    </block>
-                  </value>
-                </block>
-              </value>
-              <next>
-                <block type="text_print" id="print">
-                  <value name="TEXT">
-                    <block type="variables_get">
-                      <field name="VAR">n</field>
-                    </block>
-                  </value>
-                </block>
-              </next>
-            </block>
-          </statement>
-        </block>
-      </next>
-    </block>
-  </xml>
-
-  <script>
-    var demoWorkspace = Blockly.inject('blocklyDiv',
-        {media: '../../media/',
-         toolbox: document.getElementById('toolbox')});
-    Blockly.Xml.domToWorkspace(document.getElementById('startBlocks'),
-                               demoWorkspace);
-
-    var outputArea = document.getElementById('output');
-    var stepButton = document.getElementById('stepButton');
-    var myInterpreter = null;
-
-    function initApi(interpreter, globalObject) {
-      // Add an API function for the alert() block, generated for "text_print" blocks.
-      interpreter.setProperty(globalObject, 'alert',
-          interpreter.createNativeFunction(function(text) {
-        text = arguments.length ? text : '';
-        outputArea.value += '\n' + text;
-      }));
-
-      // Add an API function for the prompt() block.
-      var wrapper = function(text) {
-        return interpreter.createPrimitive(prompt(text));
-      };
-      interpreter.setProperty(globalObject, 'prompt',
-          interpreter.createNativeFunction(wrapper));
-
-      // Add an API function for highlighting blocks.
-      var wrapper = function(id) {
-        id = String(id || '');
-        return interpreter.createPrimitive(highlightBlock(id));
-      };
-      interpreter.setProperty(globalObject, 'highlightBlock',
-          interpreter.createNativeFunction(wrapper));
-    }
-
-    var highlightPause = false;
-    var latestCode = '';
-
-    function highlightBlock(id) {
-      demoWorkspace.highlightBlock(id);
-      highlightPause = true;
-    }
-
-    function resetStepUi(clearOutput) {
-      demoWorkspace.highlightBlock(null);
-      highlightPause = false;
-
-      if (clearOutput) {
-        outputArea.value = 'Program output:\n=================';
-      }
-    }
-
-    function generateCodeAndLoadIntoInterpreter() {
-      // Generate JavaScript code and parse it.
-      Blockly.JavaScript.STATEMENT_PREFIX = 'highlightBlock(%1);\n';
-      Blockly.JavaScript.addReservedWords('highlightBlock');
-      latestCode = Blockly.JavaScript.workspaceToCode(demoWorkspace);
-      resetStepUi(true);
-    }
-
-    function stepCode() {
-      if (!myInterpreter) {
-        // First statement of this code.
-        // Clear the program output.
-        resetStepUi(true);
-        myInterpreter = new Interpreter(latestCode, initApi);
-
-        // And then show generated code in an alert.
-        // In a timeout to allow the outputArea.value to reset first.
-        setTimeout(function() {
-          alert('Ready to execute the following code\n' +
-            '===================================\n' + latestCode);
-          highlightPause = true;
-          stepCode();
-        }, 1);
-        return;
-      }
-      highlightPause = false;
-      do {
-        try {
-          var hasMoreCode = myInterpreter.step();
-        } finally {
-          if (!hasMoreCode) {
-            // Program complete, no more code to execute.
-            outputArea.value += '\n\n<< Program complete >>';
-
-            myInterpreter = null;
-            resetStepUi(false);
-
-            // Cool down, to discourage accidentally restarting the program.
-            stepButton.disabled = 'disabled';
-            setTimeout(function() {
-              stepButton.disabled = '';
-            }, 2000);
-
-            return;
-          }
-        }
-        // Keep executing until a highlight statement is reached,
-        // or the code completes or errors.
-      } while (hasMoreCode && !highlightPause);
-    }
-
-    // Load the interpreter now, and upon future changes.
-    generateCodeAndLoadIntoInterpreter();
-    demoWorkspace.addChangeListener(function(event) {
-      if (!(event instanceof Blockly.Events.Ui)) {
-        // Something changed. Parser needs to be reloaded.
-        generateCodeAndLoadIntoInterpreter();
-      }
-    });
-  </script>
-</body>
-</html>
diff --git a/demos/interpreter/wait_block.js b/demos/interpreter/wait_block.js
deleted file mode 100644
index 10a57b482eb..00000000000
--- a/demos/interpreter/wait_block.js
+++ /dev/null
@@ -1,53 +0,0 @@
-/**
- * @license
- * Copyright 2017 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Example "wait" block that will pause the interpreter for a
- * number of seconds. Because wait is a blocking behavior, such blocks will
- * only work in interpreted environments.
- *
- * See https://neil.fraser.name/software/JS-Interpreter/docs.html
- */
-Blockly.defineBlocksWithJsonArray([{
-  "type": "wait_seconds",
-  "message0": " wait %1 seconds",
-  "args0": [{
-    "type": "field_number",
-    "name": "SECONDS",
-    "min": 0,
-    "max": 600,
-    "value": 1
-  }],
-  "previousStatement": null,
-  "nextStatement": null,
-  "colour": "%{BKY_LOOPS_HUE}"
-}]);
-
-/**
- * Generator for wait block creates call to new method
- * <code>waitForSeconds()</code>.
- */
-Blockly.JavaScript['wait_seconds'] = function(block) {
-  var seconds = Number(block.getFieldValue('SECONDS'));
-  var code = 'waitForSeconds(' + seconds + ');\n';
-  return code;
-};
-
-/**
- * Register the interpreter asynchronous function
- * <code>waitForSeconds()</code>.
- */
-function initInterpreterWaitForSeconds(interpreter, globalObject) {
-  // Ensure function name does not conflict with variable names.
-  Blockly.JavaScript.addReservedWords('waitForSeconds');
-
-  var wrapper = interpreter.createAsyncFunction(
-    function(timeInSeconds, callback) {
-      // Delay the call to the callback.
-      setTimeout(callback, timeInSeconds * 1000);
-    });
-  interpreter.setProperty(globalObject, 'waitForSeconds', wrapper);
-}
diff --git a/demos/keyboard_nav/icon.png b/demos/keyboard_nav/icon.png
deleted file mode 100644
index ff96ab5ca95..00000000000
Binary files a/demos/keyboard_nav/icon.png and /dev/null differ
diff --git a/demos/keyboard_nav/index.html b/demos/keyboard_nav/index.html
deleted file mode 100644
index 53408c57e7a..00000000000
--- a/demos/keyboard_nav/index.html
+++ /dev/null
@@ -1,570 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>Blockly Demo: Keyboard Navigation</title>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../javascript_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
-  <script src="line_cursor.js"></script>
-  <style>
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-    }
-
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-    .wrapper {
-      display: flex;
-    }
-    #keyboard_nav {
-      background-color: #ededed;
-      border: 1px solid black;
-      padding: 1em;
-    }
-    #keyboard_announce {
-      font-size: 1.5em;
-      font-weight: 500;
-      text-align: center;
-    }
-    #keyboard_mappings {
-      font-size: 1.3em;
-      font-weight: 400;
-    }
-    label {
-      margin-right: .5em;
-      min-width: 100px;
-    }
-    div[data-actionname] {
-      display: flex;
-      width: 100%;
-    }
-    select {
-      font-size: .8em;
-    }
-  </style>
-</head>
-<body>
-  <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-    <a href="../index.html">Demos</a> &gt; Keyboard Navigation</h1>
-
-  <p>Keyboard Navigation is our first step towards an accessible Blockly.<br />
-  For more information on how the default keyboard navigation works please see
-  the <a href="https://developers.google.com/blockly/guides/configure/web/keyboard-nav">documentation</a>.
-  <br />
-  <br />
-  <b>Pre Order Traversal</b><br />
-  Feel free to just play around in accessibility mode or hit the button below to see the demo.
-  The demo uses <a href="https://en.wikipedia.org/wiki/Tree_traversal#Pre-order_(NLR)">preorder tree traversal</a>
-  as an alternative way to navigate the blocks,
-  connections, and fields on the workspace.<br /><br />
-
-  <b>Cursors</b><br />
-  The cursor controls how the user navigates the blocks, inputs, fields and connections on a workspace.
-  This demo shows three different cursors:<br />
-  <b>Default Cursor:</b> Explained in <a href="https://developers.google.com/blockly/guides/configure/web/keyboard-nav">documentation</a>.<br />
-  <b>Basic Cursor:</b> Uses pre order traversal to allow users to navigate
-  through everything using only the previous and next command.<br />
-  <b>Line Cursor:</b> We tried to make this cursor mimic a text editor. Navigating
-  up and down will take the cursor to the next and previous "line" of code.
-  Navigating in and out will move the cursor through all the fields and inputs
-  in that "line" of code.
-  </p>
-
-  <p>
-    <label for="accessibilityModeCheck">Enable Accessibility Mode:</label>
-    <input type="checkbox" onclick="toggleAccessibilityMode(this.checked)" id="accessibilityModeCheck">
-    <select id="cursorChanger" name="cursor" onchange="changeCursor(this.value)">
-      <option value="default">Default Cursor</option>
-      <option value="basic">Basic Cursor</option>
-      <option value="line">Line Cursor</option>
-    </select>
-
-    <button onclick="preOrderDemo()">Start Pre-order Demo</button>
-    <button onclick="stopDemo()">Stop Pre-order Demo</button>
-    <label for="displayKeyMappings">Open Key Mappings:</label>
-    <input type="checkbox" onclick="toggleDisplayKeyMappings(this.checked)" id="displayKeyMappings">
-  </p>
-
-  <div class="wrapper">
-    <div id="blocklyDiv" style="height: 480px; width: 600px;"></div>
-    <div id="keyboard_nav" style="display:none">
-      <p id="keyboard_announce" aria-live="assertive">Set key mappings below</p>
-      <form id="keyboard_mappings"></form>
-    </div>    
-  </div>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
-    <category name="Logic" colour="%{BKY_LOGIC_HUE}">
-      <block type="controls_if"></block>
-      <block type="logic_compare"></block>
-      <block type="logic_operation"></block>
-      <block type="logic_negate"></block>
-      <block type="logic_boolean"></block>
-    </category>
-    <category name="Loops" colour="%{BKY_LOOPS_HUE}">
-      <block type="controls_repeat_ext">
-        <value name="TIMES">
-          <block type="math_number">
-            <field name="NUM">10</field>
-          </block>
-        </value>
-      </block>
-      <block type="controls_whileUntil"></block>
-    </category>
-    <category name="Math" colour="%{BKY_MATH_HUE}">
-      <block type="math_number">
-        <field name="NUM">123</field>
-      </block>
-      <block type="math_arithmetic"></block>
-      <block type="math_single"></block>
-    </category>
-    <category name="Text" colour="%{BKY_TEXTS_HUE}">
-      <block type="text"></block>
-      <block type="text_length"></block>
-      <block type="text_print"></block>
-    </category>
-  </xml>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="startBlocks" style="display: none">
-    <variables>
-      <variable id="~GNXm@Z(wclI]t3zTf.g">list</variable>
-      <variable id="8]s[S+Gy+%k7HoFup])m">item</variable>
-    </variables>
-    <block type="controls_if" x="37" y="162">
-      <value name="IF0">
-        <block type="logic_compare">
-          <field name="OP">EQ</field>
-          <value name="A">
-            <block type="math_arithmetic">
-              <field name="OP">ADD</field>
-              <value name="A">
-                <shadow type="math_number">
-                  <field name="NUM">1</field>
-                </shadow>
-              </value>
-              <value name="B">
-                <shadow type="math_number">
-                  <field name="NUM">1</field>
-                </shadow>
-              </value>
-            </block>
-          </value>
-          <value name="B">
-            <block type="math_single">
-              <field name="OP">ROOT</field>
-              <value name="NUM">
-                <shadow type="math_number">
-                  <field name="NUM">9</field>
-                </shadow>
-                <block type="math_number">
-                  <field name="NUM">123</field>
-                </block>
-              </value>
-            </block>
-          </value>
-        </block>
-      </value>
-      <statement name="DO0">
-        <block type="lists_setIndex">
-          <mutation at="true"></mutation>
-          <field name="MODE">SET</field>
-          <field name="WHERE">FROM_START</field>
-          <value name="LIST">
-            <block type="variables_get">
-              <field name="VAR" id="~GNXm@Z(wclI]t3zTf.g">list</field>
-            </block>
-          </value>
-          <next>
-            <block type="text_append">
-              <field name="VAR" id="8]s[S+Gy+%k7HoFup])m">item</field>
-              <value name="TEXT">
-                <shadow type="text">
-                  <field name="TEXT"></field>
-                </shadow>
-              </value>
-            </block>
-          </next>
-        </block>
-      </statement>
-      <next>
-        <block type="controls_repeat_ext">
-          <value name="TIMES">
-            <shadow type="math_number">
-              <field name="NUM">10</field>
-            </shadow>
-          </value>
-        </block>
-      </next>
-    </block>
-  </xml>
-
-  <script>
-    var demoWorkspace = Blockly.inject('blocklyDiv',
-        {media: '../../media/',
-         toolbox: document.getElementById('toolbox')});
-    Blockly.Xml.domToWorkspace(document.getElementById('startBlocks'),
-                               demoWorkspace);
-    var timeout;
-
-    var actions = [
-      Blockly.navigation.ACTION_PREVIOUS,
-      Blockly.navigation.ACTION_OUT,
-      Blockly.navigation.ACTION_NEXT,
-      Blockly.navigation.ACTION_IN,
-      Blockly.navigation.ACTION_INSERT,
-      Blockly.navigation.ACTION_MARK,
-      Blockly.navigation.ACTION_DISCONNECT,
-      Blockly.navigation.ACTION_TOOLBOX,
-      Blockly.navigation.ACTION_EXIT,
-      Blockly.navigation.ACTION_MOVE_WS_CURSOR_UP,
-      Blockly.navigation.ACTION_MOVE_WS_CURSOR_LEFT,
-      Blockly.navigation.ACTION_MOVE_WS_CURSOR_DOWN,
-      Blockly.navigation.ACTION_MOVE_WS_CURSOR_RIGHT
-    ];
-    createKeyMappingList(actions);
-
-    /**
-     * Shows the next node in the tree traversal every second.
-     * @package
-     */
-    function demo() {
-      var doNext = function() {
-        var markerManager = Blockly.getMainWorkspace().getMarkerManager();
-        var nextNode = markerManager.getCursor().next();
-        if (nextNode) {
-          timeout = setTimeout(doNext, 1000);
-        }
-      }
-      doNext();
-    }
-
-    /**
-     * Stop the running demo.
-     * @package
-     */
-    function stopDemo() {
-      clearTimeout(timeout);
-      document.getElementById('accessibilityModeCheck').disabled = false;
-    };
-
-    /**
-     * Sets up accessibility mode and change the cursor to basic cursor so that
-     * the demo can successfully run.
-     * @package
-     */
-    function preOrderDemo() {
-      changeCursor('basic');
-      document.getElementById('accessibilityModeCheck').disabled = true;
-      setTimeout(demo, 1000);
-    }
-
-    /**
-     * Turn on/off accessibility mode depending on the state.
-     * @param {boolean} state True to turn on accessibility mode, false otherwise.
-     * @package
-     */
-    function toggleAccessibilityMode(state) {
-      if (state) {
-        Blockly.navigation.enableKeyboardAccessibility();
-      } else {
-        Blockly.navigation.disableKeyboardAccessibility();
-      }
-    }
-
-    /**
-     * Change the type of the cursor and set to the location of the old cursor.
-     * Changing the cursor changes how a user navigates the blocks on the workspace.
-     * @param {string} cursorType The type of the cursor.
-     * @package
-     */
-    function changeCursor(cursorType) {
-      Blockly.navigation.enableKeyboardAccessibility();
-      document.getElementById('accessibilityModeCheck').checked = true;
-      document.getElementById('cursorChanger').value = cursorType;
-      var markerManager = Blockly.getMainWorkspace().getMarkerManager();
-      var oldCurNode = markerManager.getCursor().getCurNode();
-      if (cursorType === "basic") {
-        Blockly.ASTNode.NAVIGATE_ALL_FIELDS = false;
-        markerManager.setCursor(new Blockly.BasicCursor());
-      } else if (cursorType === "line") {
-        Blockly.ASTNode.NAVIGATE_ALL_FIELDS = true;
-        markerManager.setCursor(new Blockly.LineCursor());
-      } else {
-        Blockly.ASTNode.NAVIGATE_ALL_FIELDS = false;
-        markerManager.setCursor(new Blockly.Cursor());
-      }
-      if (oldCurNode) {
-        markerManager.getCursor().setCurNode(oldCurNode);
-      }
-      document.activeElement.blur();
-    }
-
-    // Start key mapping demo functions
-
-    /**
-     * Save the current key map in session storage.
-     * @package
-     */
-    function saveKeyMap() {
-      var currentMap = Blockly.user.keyMap.getKeyMap();
-      if (sessionStorage) {
-        sessionStorage.setItem('keyMap', JSON.stringify(currentMap));
-      }
-    }
-
-    /**
-     * Set the key map to the map from session storage.
-     * @package
-     */
-    function restoreKeyMap() {
-      var defaultMap = Blockly.user.keyMap.getKeyMap();
-      var stringifiedMap = sessionStorage.getItem('keyMap');
-      var restoredMap = {};
-      if (sessionStorage && stringifiedMap) {
-        var keyMap = JSON.parse(stringifiedMap);
-        var keys = Object.keys(keyMap);
-        for (var i = 0, key; key = keys[i]; i++) {
-          restoredMap[key] = Object.assign(new Blockly.Action, keyMap[key]);
-        }
-        Blockly.user.keyMap.setKeyMap(restoredMap);
-      }
-    }
-
-    /**
-     * Given the three dropdowns create the serialized key that will be stored
-     * in the key map.
-     * @param {Array.<Element>} selectDivs The three dropdown divs that display
-     *     the key combination.
-     * @package
-     */
-    function serializeKey(selectDivs) {
-      var modifiers = Blockly.utils.object.values(Blockly.user.keyMap.modifierKeys);
-      var newModifiers = [];
-      var newKeyCode = '';
-      var keyValue = selectDivs[2].value;
-
-      // Get the new modifiers from the first two dropdowns.
-      for (var i = 0; i < 2; i++) {
-        var selectDiv = selectDivs[i];
-        var key = selectDiv.value;
-        if (key !== 'None') {
-          newModifiers.push(key);
-        }
-      }
-      // Get the key code from the last dropdown.
-      if (keyValue !== 'None') {
-        if (keyValue === 'Escape') {
-          newKeyCode = Blockly.utils.KeyCodes.ESC;
-        } else if (keyValue === 'Enter') {
-          newKeyCode = Blockly.utils.KeyCodes.ENTER;
-        } else {
-          newKeyCode = keyValue.toUpperCase().charCodeAt(0);
-        }
-      }
-      return Blockly.user.keyMap.createSerializedKey(newKeyCode, newModifiers);
-    }
-
-    /**
-     * Set all dropdowns for that action to none.
-     * We clear dropdowns when a user chooses the same key combination for a
-     * second action.
-     * @param {Blockly.Action} action The action that we want to clear the
-     *     dropdowns for.
-     * @package
-     */
-    function clearDropdown(action) {
-      var actionDiv = document.querySelectorAll('[data-actionname='+ action.name +']')[0];
-      var selectDivs = actionDiv.getElementsByTagName('select');
-      for (var i = 0, selectDiv; selectDiv = selectDivs[i]; i++) {
-        selectDiv.value = 'None';
-      }
-    }
-
-    /**
-     * Given the three dropdowns create a human readable string so the screen reader
-     * can read it out.
-     * @param {Array.<Element>} selectDivs The three dropdown divs that display
-     *     the key combination.
-     * @package
-     */
-    function getReadableKey(selectDivs) {
-      var readableKey = '';
-
-      for (var i = 0, selectDiv; selectDiv = selectDivs[i]; i++) {
-        if (selectDiv.value !== 'None') {
-          readableKey += selectDiv.value + ' ';
-        }
-      }
-      return readableKey;
-    }
-
-    /**
-     * Update the key in the key map when the user selects a new value in one of the
-     * dropdowns.
-     * @param {Event} e The event dispatched from changing a dropdown.
-     * @package
-     */
-    function updateKey(e) {
-      var keyboardAnnouncerText = '';
-      var actionDiv = e.srcElement.parentElement;
-      var action = actionDiv.action;
-      var selectDivs = actionDiv.getElementsByTagName('select');
-      var key = serializeKey(selectDivs);
-      var oldAction = Blockly.user.keyMap.getActionByKeyCode(key);
-
-      if (oldAction) {
-        keyboardAnnouncerText += oldAction.name + ' action key was overwritten. \n';
-        clearDropdown(oldAction);
-      }
-      keyboardAnnouncerText += action.name + ' key was set to ' + getReadableKey(selectDivs);
-      document.getElementById('keyboard_announce').innerText = keyboardAnnouncerText;
-      Blockly.user.keyMap.setActionForKey(key, action);
-      saveKeyMap();
-      document.activeElement.blur();
-    }
-
-    /**
-     * Set the key to be the correct value from the key map.
-     * @param {string} actionKey The serialized key for a given action.
-     * @param {Element} keyDropdown The dropdown that displays the primary key.
-     * @package
-     */
-    function setKeyDropdown(actionKey, keyDropdown) {
-      // Strip off any modifier to just get the key code.
-      var keyCode = actionKey.match(/\d+/)[0];
-      var keyValue = String.fromCharCode(keyCode);
-      if (parseInt(keyCode) === Blockly.utils.KeyCodes.ESC) {
-          keyValue = 'Escape';
-      } else if (parseInt(keyCode) === Blockly.utils.KeyCodes.ENTER) {
-        keyValue = 'Enter';
-      }
-      keyDropdown.value = keyValue;
-    }
-
-    /**
-     * Set the modifiers to be the correct value from the key map.
-     * @param {string} actionKey The key code holding the modifiers and key.
-     * @param {Array.<Element>} modifierDropdowns A list of dropdowns for
-     *     the modifier values.
-     * @package
-     */
-    function setModifiers(actionKey, modifierDropdowns) {
-      var modifiers = Blockly.utils.object.values(Blockly.user.keyMap.modifierKeys);
-      for (var i = 0; i < 2; i++) {
-        var modifierDropdown = modifierDropdowns[i];
-        for (var j = 0, modifier; modifier = modifiers[j]; j++) {
-          if (actionKey.indexOf(modifier) > -1) {
-            modifierDropdown.value = modifier;
-            actionKey = actionKey.replace(modifier, '');
-            break;
-          }
-        }
-      }
-    }
-
-    /**
-     * Set the dropdowns to display the correct combination of modifiers and
-     * keys for the action key.
-     * @param {Blockly.Action} action The Blockly action.
-     * @param {Element} actionDiv The div holding the dropdowns and label for the
-     *     given action.
-     * @param {string} actionKey The key corresponding to the given action.
-     * @package
-     */
-    function setDropdowns(action, actionDiv, actionKey) {
-      var selectDivs = actionDiv.getElementsByTagName('select');
-      if (actionKey) {
-        setModifiers(actionKey, selectDivs);
-        setKeyDropdown(actionKey, selectDivs[selectDivs.length - 1]);
-      } else {
-        clearDropdown(action);
-      }
-    }
-
-    /**
-     * Create a dropdown with the given list of possible keys.
-     * @param {Blockly.Action} action The Blockly action.
-     * @param {Element} actionDiv The div holding the dropdowns and labels for
-     *     a given action.
-     * @param {Array.<string>} keys The list of keys to add to the dropdown.
-     * @package
-     */
-    function createDropdown(action, actionDiv, keys) {
-      var select = document.createElement('select');
-      select.addEventListener('change', updateKey);
-      select.setAttribute('aria-labelledby', action.name + '_label');
-      for (var i = 0, key; key = keys[i]; i++) {
-        select.options.add(new Option(key, key));
-      }
-      actionDiv.appendChild(select);
-    }
-
-    /**
-     * Create two dropdowns that display possible modifiers and a single dropdown
-     * displaying a list of keys.
-     * @param {Blockly.Action} action The Blockly action.
-     * @param {string} actionKey The key corresponding to the given action.
-     * @param {Element} actionDiv The div holding the dropdowns and label for the
-     *     given action.
-     * @package
-     */
-    function createDropdowns(action, actionKey, actionDiv) {
-      var modifiers = ['None'].concat(Blockly.utils.object.values(Blockly.user.keyMap.modifierKeys));
-      var keys = ['None', 'Enter', 'Escape'].concat("ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890".split(''));
-      createDropdown(action, actionDiv, modifiers);
-      createDropdown(action, actionDiv, modifiers);
-      createDropdown(action, actionDiv, keys);
-      setDropdowns(action, actionDiv, actionKey);
-    }
-
-    /**
-     * For each action create a row of 3 dropdowns and an action label. Update
-     * the dropdowns to reflect the value in the key map.
-     * @param {Array.<Blockly.Action>} actions List of blockly actions.
-     * @package
-     */
-    function createKeyMappingList(actions) {
-      // Update the key map to reflect the key map saved in session storage.
-      restoreKeyMap();
-      var keyMapDiv = document.getElementById('keyboard_mappings');
-      for (var i = 0, action; action = actions[i]; i++) {
-        var actionDiv = document.createElement('div');
-        actionDiv.setAttribute('data-actionname', action.name);
-        actionDiv.action = action;
-
-        var labelDiv = document.createElement('label');
-        labelDiv.innerText = action.name;
-        labelDiv.setAttribute('id', action.name + '_label');
-
-        actionDiv.appendChild(labelDiv);
-        keyMapDiv.appendChild(actionDiv);
-
-        var actionKey = Blockly.user.keyMap.getKeyByAction(action);
-        createDropdowns(action, actionKey, actionDiv);
-      }
-    }
-
-    /**
-     * Hide/show the key map panel.
-     * @param {boolean} state The state of the checkbox. True if checked, false
-     *     otherwise.
-     * @package
-     */
-    function toggleDisplayKeyMappings(state) {
-      if (state) {
-        document.getElementById('keyboard_nav').style.display = 'block';
-      } else {
-        document.getElementById('keyboard_nav').style.display = 'none';
-      }
-    }
-    // End key mapping demo functions
-
-  </script>
-
-</body>
-</html>
diff --git a/demos/keyboard_nav/line_cursor.js b/demos/keyboard_nav/line_cursor.js
deleted file mode 100644
index d9cb8068982..00000000000
--- a/demos/keyboard_nav/line_cursor.js
+++ /dev/null
@@ -1,169 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview The class representing a line cursor.
- * A line cursor traverses the blocks as if they were
- * lines of code in a text editor. 
- * Previous and next go up and down lines. In and out go
- * through the elements in a line.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-'use strict';
-
-
-/**
- * Class for a line cursor.
- * This will allow the user to get to all nodes in the AST by hitting next or
- * previous.
- * @constructor
- * @extends {Blockly.BasicCursor}
- */
-Blockly.LineCursor = function() {
-  Blockly.LineCursor.superClass_.constructor.call(this);
-};
-Blockly.utils.object.inherits(Blockly.LineCursor, Blockly.BasicCursor);
-
-
-/**
- * Find the next node in the pre order traversal.
- * @return {Blockly.ASTNode} The next node, or null if the current node is
- *     not set or there is no next value.
- * @override
- */
-Blockly.LineCursor.prototype.next = function() {
-  var curNode = this.getCurNode();
-  if (!curNode) {
-    return null;
-  }
-  var newNode = this.getNextNode_(curNode, this.validLineNode_);
-
-  // Skip the input or next value if there is a connected block.
-  if (newNode && (newNode.getType() == Blockly.ASTNode.types.INPUT ||
-      newNode.getType() == Blockly.ASTNode.types.NEXT) &&
-      newNode.getLocation().targetBlock()) {
-    newNode = this.getNextNode_(newNode, this.validLineNode_);
-  }
-  if (newNode) {
-    this.setCurNode(newNode);
-  }
-  return newNode;
-};
-
-/**
- * For a basic cursor we only have the ability to go next and previous, so
- * in will also allow the user to get to the next node in the pre order traversal.
- * @return {Blockly.ASTNode} The next node, or null if the current node is
- *     not set or there is no next value.
- * @override
- */
-Blockly.LineCursor.prototype.in = function() {
-  var curNode = this.getCurNode();
-  if (!curNode) {
-    return null;
-  }
-  var newNode = this.getNextNode_(curNode, this.validInLineNode_);
-
-  if (newNode) {
-    this.setCurNode(newNode);
-  }
-  return newNode;
-};
-
-/**
- * Find the previous node in the pre order traversal.
- * @return {Blockly.ASTNode} The previous node, or null if the current node
- *     is not set or there is no previous value.
- * @override
- */
-Blockly.LineCursor.prototype.prev = function() {
-  var curNode = this.getCurNode();
-  if (!curNode) {
-    return null;
-  }
-  var newNode = this.getPreviousNode_(curNode, this.validLineNode_);
-  
-  if (newNode && (newNode.getType() == Blockly.ASTNode.types.INPUT ||
-    newNode.getType() == Blockly.ASTNode.types.NEXT) &&
-    newNode.getLocation().targetBlock()) {
-    newNode = this.getPreviousNode_(newNode, this.validLineNode_);
-  }
-
-  if (newNode) {
-    this.setCurNode(newNode);
-  }
-  return newNode;
-};
-
-/**
- * For a basic cursor we only have the ability to go next and previous, so
- * out will allow the user to get to the previous node in the pre order traversal.
- * @return {Blockly.ASTNode} The previous node, or null if the current node is
- *     not set or there is no previous value.
- * @override
- */
-Blockly.LineCursor.prototype.out = function() {
-  var curNode = this.getCurNode();
-  if (!curNode) {
-    return null;
-  }
-  var newNode = this.getPreviousNode_(curNode, this.validInLineNode_);
-
-  if (newNode) {
-    this.setCurNode(newNode);
-  }
-  return newNode;
-
-};
-
-/**
- * Meant to traverse by lines of code. This is blocks, statement inputs and
- * next connections.
- * @param {Blockly.ASTNode} node The AST node to check whether it is valid.
- * @return {boolean} True if the node should be visited, false otherwise.
- * @private
- */
-Blockly.LineCursor.prototype.validLineNode_ = function(node) {
-  if (!node) {
-    return false;
-  }
-  var isValid = false;
-  var location = node.getLocation();
-  var type = node && node.getType();
-  if (type == Blockly.ASTNode.types.BLOCK) {
-    if (location.outputConnection === null) {
-      isValid = true;
-    }
-  } else if (type == Blockly.ASTNode.types.INPUT && 
-      location.type == Blockly.NEXT_STATEMENT) {
-    isValid = true;
-  } else if (type == Blockly.ASTNode.types.NEXT) {
-    isValid = true;
-  }
-  return isValid;
-};
-
-/**
- * Meant to traverse within a block. These are fields and input values.
- * @param {Blockly.ASTNode} node The AST node to check whether it is valid.
- * @return {boolean} True if the node should be visited, false otherwise.
- * @private
- */
-Blockly.LineCursor.prototype.validInLineNode_ = function(node) {
-  if (!node) {
-    return false;
-  }
-  var isValid = false;
-  var location = node.getLocation();
-  var type = node && node.getType();
-  if (type == Blockly.ASTNode.types.FIELD) {
-      isValid = true;
-  } else if (type == Blockly.ASTNode.types.INPUT &&
-      location.type == Blockly.INPUT_VALUE) {
-      isValid = true;
-  }
-  return isValid;
-};
diff --git a/demos/maxBlocks/icon.png b/demos/maxBlocks/icon.png
deleted file mode 100644
index b90c7961501..00000000000
Binary files a/demos/maxBlocks/icon.png and /dev/null differ
diff --git a/demos/maxBlocks/index.html b/demos/maxBlocks/index.html
deleted file mode 100644
index dc94f2f4528..00000000000
--- a/demos/maxBlocks/index.html
+++ /dev/null
@@ -1,100 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>Blockly Demo: Maximum Block Limit</title>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
-  <style>
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-    }
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-    #capacity {
-      color: red;
-    }
-  </style>
-</head>
-<body>
-  <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-    <a href="../index.html">Demos</a> &gt; Maximum Block Limit</h1>
-
-  <p>This is a demo of Blockly which has been restricted to a maximum of
-  five blocks.</p>
-
-  <p><b>You have <span id="capacity"></span> block(s) left.</b></p>
-
-  <div id="blocklyDiv" style="height: 480px; width: 600px;"></div>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
-    <category name="Logic" colour="%{BKY_LOGIC_HUE}">
-      <block type="controls_if"></block>
-      <block type="logic_compare"></block>
-      <block type="logic_operation"></block>
-      <block type="logic_negate"></block>
-      <block type="logic_boolean"></block>
-    </category>
-    <category name="Loops" colour="%{BKY_LOOPS_HUE}">
-      <block type="controls_repeat_ext">
-        <value name="TIMES">
-          <block type="math_number">
-            <field name="NUM">10</field>
-          </block>
-        </value>
-      </block>
-      <block type="controls_whileUntil"></block>
-      <block type="controls_for">
-        <field name="VAR">i</field>
-        <value name="FROM">
-          <block type="math_number">
-            <field name="NUM">1</field>
-          </block>
-        </value>
-        <value name="TO">
-          <block type="math_number">
-            <field name="NUM">10</field>
-          </block>
-        </value>
-        <value name="BY">
-          <block type="math_number">
-            <field name="NUM">1</field>
-          </block>
-        </value>
-      </block>
-    </category>
-    <category name="Math" colour="%{BKY_MATH_HUE}">
-      <block type="math_number">
-        <field name="NUM">123</field>
-      </block>
-      <block type="math_arithmetic"></block>
-      <block type="math_single"></block>
-    </category>
-    <category name="Text" colour="%{BKY_TEXTS_HUE}">
-      <block type="text"></block>
-      <block type="text_length"></block>
-      <block type="text_print"></block>
-    </category>
-  </xml>
-
-  <script>
-    var demoWorkspace = Blockly.inject('blocklyDiv',
-        {media: '../../media/',
-         maxBlocks: 5,
-         toolbox: document.getElementById('toolbox')});
-
-    function onchange(event) {
-      document.getElementById('capacity').textContent =
-          demoWorkspace.remainingCapacity();
-    }
-
-    demoWorkspace.addChangeListener(onchange);
-    onchange();
-  </script>
-
-</body>
-</html>
diff --git a/demos/minimap/index.html b/demos/minimap/index.html
index 2f4e163e966..1a8fd357dea 100644
--- a/demos/minimap/index.html
+++ b/demos/minimap/index.html
@@ -3,9 +3,9 @@
 <head>
   <meta charset="utf-8">
   <title>Blockly Demo: Minimap</title>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
+  <script src="../../dist/blockly_compressed.js"></script>
+  <script src="../../dist/blocks_compressed.js"></script>
+  <script src="../../build/msg/en.js"></script>
   <script src="minimap.js"></script>
   <style>
     body {
diff --git a/demos/minimap/minimap.js b/demos/minimap/minimap.js
index fe19065bfd5..a4343899ad6 100644
--- a/demos/minimap/minimap.js
+++ b/demos/minimap/minimap.js
@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview JavaScript for Blockly's Minimap demo.
- * @author karnpurohit@gmail.com (Karan Purohit)
  */
 'use strict';
 
@@ -91,8 +90,9 @@ Minimap.init = function(workspace, minimap) {
   this.mapDragger = this.svg.childNodes[0];
 
   // Adding mouse events to the rectangle, to make it Draggable.
-  // Using Blockly.bindEvent_ to attach mouse/touch listeners.
-  Blockly.bindEvent_(this.mapDragger, 'mousedown', null, Minimap.mousedown);
+  // Using Blockly.browserEvents.bind to attach mouse/touch listeners.
+  Blockly.browserEvents.bind(
+      this.mapDragger, 'mousedown', null, Minimap.mousedown);
 
   //When the window change, we need to resize the minimap window.
   window.addEventListener('resize', Minimap.repositionMinimap);
@@ -105,11 +105,11 @@ Minimap.init = function(workspace, minimap) {
 };
 
 Minimap.mousedown = function(e) {
-  // Using Blockly.bindEvent_ to attach mouse/touch listeners.
-  Minimap.mouseMoveBindData =
-      Blockly.bindEvent_(document, 'mousemove', null, Minimap.mousemove);
+  // Using Blockly.browserEvents.bind to attach mouse/touch listeners.
+  Minimap.mouseMoveBindData = Blockly.browserEvents.bind(
+      document, 'mousemove', null, Minimap.mousemove);
   Minimap.mouseUpBindData =
-      Blockly.bindEvent_(document, 'mouseup', null, Minimap.mouseup);
+      Blockly.browserEvents.bind(document, 'mouseup', null, Minimap.mouseup);
 
   Minimap.isDragging = true;
   e.stopPropagation();
@@ -118,8 +118,8 @@ Minimap.mousedown = function(e) {
 Minimap.mouseup = function(e) {
   Minimap.isDragging = false;
   // Removing listeners.
-  Blockly.unbindEvent_(Minimap.mouseUpBindData);
-  Blockly.unbindEvent_(Minimap.mouseMoveBindData);
+  Blockly.browserEvents.unbind(Minimap.mouseUpBindData);
+  Blockly.browserEvents.unbind(Minimap.mouseMoveBindData);
   Minimap.updateMapDragger(e);
   e.stopPropagation();
 };
@@ -133,10 +133,11 @@ Minimap.mousemove = function(e) {
 
 /**
  * Run non-UI events from the main workspace on the minimap.
- * @param {!Event} event Event that triggered in the main workspace.
+ * @param {!Blockly.Events.Abstract} event Event that triggered in the main
+ *    workspace.
  */
 Minimap.mirrorEvent = function(event) {
-  if (event.type == Blockly.Events.UI) {
+  if (event.isUiEvent) {
     return;  // Don't mirror UI events.
   }
   // Convert event to JSON.  This could then be transmitted across the net.
@@ -166,7 +167,7 @@ Minimap.setDraggerHeight = function() {
   var draggerHeight = (workspaceMetrics.viewHeight / Minimap.workspace.scale) *
       Minimap.minimap.scale;
   // It's zero when first block is placed.
-  if (draggerHeight == 0) {
+  if (draggerHeight === 0) {
     return;
   }
   Minimap.mapDragger.setAttribute('height', draggerHeight);
@@ -180,7 +181,7 @@ Minimap.setDraggerWidth = function() {
   var draggerWidth = (workspaceMetrics.viewWidth / Minimap.workspace.scale) *
       Minimap.minimap.scale;
   // It's zero when first block is placed.
-  if (draggerWidth == 0) {
+  if (draggerWidth === 0) {
     return;
   }
   Minimap.mapDragger.setAttribute('width', draggerWidth);
@@ -197,7 +198,7 @@ Minimap.scaleMinimap = function() {
   var workspaceMetrics = Minimap.workspace.getMetrics();
   var minimapMetrics = Minimap.minimap.getMetrics();
 
-  // Scaling the mimimap such that all the blocks can be seen in the viewport.
+  // Scaling the minimap such that all the blocks can be seen in the viewport.
   // This padding is default because this is how to scrollbar(in main workspace)
   // is implemented.
   var topPadding = (workspaceMetrics.viewHeight) * Minimap.minimap.scale /
diff --git a/demos/mirror/icon.png b/demos/mirror/icon.png
deleted file mode 100644
index 45e2a9a290c..00000000000
Binary files a/demos/mirror/icon.png and /dev/null differ
diff --git a/demos/mirror/index.html b/demos/mirror/index.html
deleted file mode 100644
index 84762f31df5..00000000000
--- a/demos/mirror/index.html
+++ /dev/null
@@ -1,81 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>Blockly Demo: Mirrored Blockly</title>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
-  <style>
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-    }
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-  </style>
-</head>
-<body>
-  <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-    <a href="../index.html">Demos</a> &gt; Mirrored Blockly</h1>
-
-  <p>This is a simple demo of a primary Blockly instance that controls a secondary Blockly instance with events.
-  Open the JavaScript console to see the event passing.</p>
-
-  <p>&rarr; More info on <a href="https://developers.google.com/blockly/guides/configure/web/events">events</a>&hellip;</p>
-
-  <table width="100%">
-    <tr>
-      <td>
-        <div id="primaryDiv" style="height: 480px; width: 600px;"></div>
-      </td>
-      <td>
-        <div id="secondaryDiv" style="height: 480px; width: 430px;"></div>
-      </td>
-    </tr>
-  </table>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
-    <block type="controls_if"></block>
-    <block type="logic_compare"></block>
-    <block type="controls_repeat_ext"></block>
-    <block type="math_number">
-      <field name="NUM">123</field>
-    </block>
-    <block type="math_arithmetic"></block>
-    <block type="text"></block>
-    <block type="text_print"></block>
-    <block type="variables_get"><field name="VAR">i</field></block>
-    <block type="variables_get"><field name="VAR">j</field></block>
-    <block type="variables_get"><field name="VAR">k</field></block>
-  </xml>
-
-  <script>
-    // Inject primary workspace.
-    var primaryWorkspace = Blockly.inject('primaryDiv',
-        {media: '../../media/',
-         toolbox: document.getElementById('toolbox')});
-    // Inject secondary workspace.
-    var secondaryWorkspace = Blockly.inject('secondaryDiv',
-        {media: '../../media/',
-         readOnly: true});
-    // Listen to events on primary workspace.
-    primaryWorkspace.addChangeListener(mirrorEvent);
-
-    function mirrorEvent(primaryEvent) {
-      if (primaryEvent instanceof Blockly.Events.Ui) {
-        return;  // Don't mirror UI events.
-      }
-      // Convert event to JSON.  This could then be transmitted across the net.
-      var json = primaryEvent.toJson();
-      console.log(json);
-      // Convert JSON back into an event, then execute it.
-      var secondaryEvent = Blockly.Events.fromJson(json, secondaryWorkspace);
-      secondaryEvent.run(true);
-    }
-</script>
-
-</body>
-</html>
diff --git a/demos/mobile/android/app/build.gradle b/demos/mobile/android/app/build.gradle
index f21403dc91d..3ca6da2b2b5 100644
--- a/demos/mobile/android/app/build.gradle
+++ b/demos/mobile/android/app/build.gradle
@@ -28,16 +28,30 @@ task copyBlocklyHtmlFile(type: Copy) {
     rename('index.html', 'webview.html')
 }
 
-task copyBlocklyMoreFiles(type: Copy) {
+task copyBlocklyDistFiles(type: Copy) {
+    from('../../../../dist') {
+        include 'blockly_compressed.js', 'blocks_compressed.js'
+    }
+    into project(':app').file('./src/main/assets/blockly')
+}
+
+task copyBlocklyBuildFiles(type: Copy) {
+    from('../../../../build') {
+        include 'msg/**'
+    }
+    into project(':app').file('./src/main/assets/blockly')
+}
+
+task copyBlocklyMediaFiles(type: Copy) {
     from('../../../..') {
-        include 'blockly_compressed.js', 'blocks_compressed.js', 'msg/js/**', 'media/**'
+        include 'media/**'
         exclude 'media/test_*'
     }
     into project(':app').file('./src/main/assets/blockly')
 }
 
 project.afterEvaluate {
-    preBuild.dependsOn(copyBlocklyHtmlFile, copyBlocklyMoreFiles)
+    preBuild.dependsOn(copyBlocklyHtmlFile, copyBlocklyBuildFiles, copyBlocklyDistFiles, copyBlocklyMediaFiles)
 }
 
 dependencies {
diff --git a/demos/mobile/android/build.gradle b/demos/mobile/android/build.gradle
index 4e8009dbd3f..e13c05adaa2 100644
--- a/demos/mobile/android/build.gradle
+++ b/demos/mobile/android/build.gradle
@@ -1,14 +1,14 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
-    
+
     repositories {
         google()
         jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.2.0'
-        
+
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/demos/mobile/html/index.html b/demos/mobile/html/index.html
index 55906503d61..2511de27735 100644
--- a/demos/mobile/html/index.html
+++ b/demos/mobile/html/index.html
@@ -15,7 +15,7 @@
   <script src="blockly_compressed.js"></script>
   <script src="blocks_compressed.js"></script>
   <!-- TODO: Select msg file based on locale. -->
-  <script src="msg/js/en.js"></script>
+  <script src="msg/en.js"></script>
   <script src="toolbox_standard.js"></script>
 </head>
 <body>
@@ -28,4 +28,4 @@
         });
   </script>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/demos/mobile/html/ln_resources.sh b/demos/mobile/html/ln_resources.sh
index c4c3b605d4e..8f7a8b979bd 100755
--- a/demos/mobile/html/ln_resources.sh
+++ b/demos/mobile/html/ln_resources.sh
@@ -3,20 +3,20 @@
 # Create symbolic links in this directory for the
 # Blockly library files used by this demo's index.html.
 
-if [[ ! -e ../../../blockly_compressed.js ]]; then
+if [[ ! -e ../../../dist/blockly_compressed.js ]]; then
     echo "ERROR: Could not locate blockly_compressed.js. Run from demos/mobile/html/" 1>&2
     exit 1 # terminate and indicate error
 fi
 
 if [ ! -L blockly_compressed.js ]; then
-    ln -s ../../../blockly_compressed.js blockly_compressed.js
+    ln -s ../../../dist/blockly_compressed.js blockly_compressed.js
 fi
 if [ ! -L blocks_compressed.js ]; then
-    ln -s ../../../blocks_compressed.js blocks_compressed.js
+    ln -s ../../../dist/blocks_compressed.js blocks_compressed.js
 fi
 if [ ! -L media ]; then
     ln -s ../../../media media
 fi
 if [ ! -L msg ]; then
-    ln -s ../../../msg msg
+    ln -s ../../../build/msg msg
 fi
diff --git a/demos/mobile/ios/Blockly WebView/ViewController.swift b/demos/mobile/ios/Blockly WebView/ViewController.swift
index f8ad8018e44..e9f75dab465 100644
--- a/demos/mobile/ios/Blockly WebView/ViewController.swift	
+++ b/demos/mobile/ios/Blockly WebView/ViewController.swift	
@@ -15,9 +15,9 @@ class ViewController: UIViewController, WKUIDelegate {
     /// The name used to reference this iOS object when executing callbacks from the JS code.
     /// If this value is changed, it should also be changed in the `CODE_GENERATOR_BRIDGE_JS` file.
     fileprivate static let HOST_HTML = "Blockly/webview.html"
-    
+
     @IBOutlet weak var webView: WKWebView!
- 
+
     /// Additional setup after loading the UI NIB.
     override func viewDidLoad() {
         super.viewDidLoad()
@@ -25,7 +25,7 @@ class ViewController: UIViewController, WKUIDelegate {
         // Do any additional setup after loading the view, typically from a nib.
         loadWebContent()
     }
-    
+
     /// Load the root HTML page into the webview.
     func loadWebContent() {
         if let htmlUrl = Bundle.main.url(forResource: "webview", withExtension: "html",
@@ -41,7 +41,7 @@ class ViewController: UIViewController, WKUIDelegate {
                  runJavaScriptAlertPanelWithMessage message: String,
                  initiatedByFrame frame: WKFrameInfo,
                  completionHandler: @escaping () -> Void) {
-        
+
         let alert = UIAlertController(title: nil, message: message, preferredStyle: .alert)
         let title = NSLocalizedString("OK", comment: "OK Button")
         let ok = UIAlertAction(title: title, style: .default) { (action: UIAlertAction) -> Void in
@@ -51,25 +51,25 @@ class ViewController: UIViewController, WKUIDelegate {
         present(alert, animated: true)
         completionHandler()
     }
-    
+
     /// Handle window.confirm() with a native dialog.
     func webView(_ webView: WKWebView,
                  runJavaScriptConfirmPanelWithMessage message: String,
                  initiatedByFrame frame: WKFrameInfo,
                  completionHandler: @escaping (Bool) -> Void) {
-        
+
         let alert = UIAlertController(title: nil, message: message, preferredStyle: .alert)
         let closeAndHandle = { (okayed: Bool) in
             alert.dismiss(animated: true, completion: nil)
             completionHandler(okayed)
         }
-        
+
         let okTitle = NSLocalizedString("OK", comment: "OK button title")
         let ok = UIAlertAction(title: okTitle, style: .default) { (action: UIAlertAction) -> Void in
             closeAndHandle(true)
         }
         alert.addAction(ok)
-        
+
         let cancelTitle = NSLocalizedString("Cancel", comment: "Cancel button title")
         let cancel = UIAlertAction(title: cancelTitle, style: .default) {
             (action: UIAlertAction) -> Void in
@@ -78,34 +78,33 @@ class ViewController: UIViewController, WKUIDelegate {
         alert.addAction(cancel)
         present(alert, animated: true)
     }
-    
+
     /// Handle window.prompt() with a native dialog.
     func webView(_ webView: WKWebView,
                  runJavaScriptTextInputPanelWithPrompt prompt: String,
                  defaultText: String?,
                  initiatedByFrame frame: WKFrameInfo,
                  completionHandler: @escaping (String?) -> Void) {
-        
+
         let alert = UIAlertController(title: prompt, message: nil, preferredStyle: .alert)
-        
+
         alert.addTextField { (textField) in
             textField.text = defaultText
         }
-        
+
         let okTitle = NSLocalizedString("OK", comment: "OK button title")
         let okAction = UIAlertAction(title: okTitle, style: .default) { (_) in
             let textInput = alert.textFields![0] as UITextField
             completionHandler(textInput.text)
         }
         alert.addAction(okAction)
-        
+
         let cancelTitle = NSLocalizedString("Cancel", comment: "Cancel button title")
         let cancelAction = UIAlertAction(title: cancelTitle, style: .cancel) { (_) in
             completionHandler(nil)
         }
         alert.addAction(cancelAction)
-        
+
         present(alert, animated: true)
     }
 }
-
diff --git a/demos/mobile/ios/cp_resources.sh b/demos/mobile/ios/cp_resources.sh
index 050ee900cba..afb532bc5d9 100755
--- a/demos/mobile/ios/cp_resources.sh
+++ b/demos/mobile/ios/cp_resources.sh
@@ -5,10 +5,10 @@ BLOCKLY_ROOT=../../..
 IOS_RESOURCES=Resources/Non-Localized/Blockly
 
 MORE_FILES_TO_COPY=(
-  "blockly_compressed.js"
-  "blocks_compressed.js"
+  "dist/blockly_compressed.js"
+  "dist/blocks_compressed.js"
   "media"
-  "msg/js"
+  "build/msg"
   )
 
 mkdir -p $IOS_RESOURCES/media
diff --git a/demos/plane/README.txt b/demos/plane/README.txt
deleted file mode 100644
index 944448fd6da..00000000000
--- a/demos/plane/README.txt
+++ /dev/null
@@ -1,26 +0,0 @@
-This Blockly demo uses Closure Templates to create a multilingual application.
-Any changes to the template.soy file require a recompile.  Here is the command
-to generate a quick English version for debugging:
-
-java -jar soy/SoyToJsSrcCompiler.jar --outputPathFormat generated/en.js --srcs template.soy
-
-To generate a full set of language translations, first extract all the strings
-from template.soy using this command:
-
-java -jar soy/SoyMsgExtractor.jar --outputFile xlf/extracted_msgs.xlf  template.soy
-
-This generates xlf/extracted_msgs.xlf, which may then be used by any
-XLIFF-compatible translation console to generate a set of files with the
-translated strings.  These should be placed in the xlf directory.
-
-Finally, generate all the language versions with this command:
-
-java -jar soy/SoyToJsSrcCompiler.jar --locales ar,be-tarask,br,ca,da,de,el,en,es,fa,fr,he,hrx,hu,ia,is,it,ja,ko,ms,nb,nl,pl,pms,pt-br,ro,ru,sc,sv,th,tr,uk,vi,zh-hans,zh-hant --messageFilePathFormat xlf/translated_msgs_{LOCALE}.xlf --outputPathFormat "generated/{LOCALE}.js" template.soy
-
-This is the process that Google uses for maintaining Blockly Games in 50+
-languages.  The XLIFF format is simple enough that it is trivial to write a
-Python script to reformat it into some other format (such as JSON) for
-compatibility with other translation consoles.
-
-For more information, see message translation for Closure Templates:
-https://developers.google.com/closure/templates/docs/translation
diff --git a/demos/plane/blocks.js b/demos/plane/blocks.js
deleted file mode 100644
index d5f80a3218f..00000000000
--- a/demos/plane/blocks.js
+++ /dev/null
@@ -1,96 +0,0 @@
-/**
- * @license
- * Copyright 2013 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Blocks for Blockly's Plane Seat Calculator application.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-Blockly.Blocks['plane_set_seats'] = {
-  // Block seat variable setter.
-  init: function() {
-    this.setHelpUrl(Blockly.Msg['VARIABLES_SET_HELPURL']);
-    this.setColour(330);
-    this.appendValueInput('VALUE')
-        .appendField(Plane.getMsg('Plane_setSeats'));
-    this.setTooltip(Blockly.Msg['VARIABLES_SET_TOOLTIP']);
-    this.setDeletable(false);
-  }
-};
-
-Blockly.JavaScript['plane_set_seats'] = function(block) {
-  // Generate JavaScript for seat variable setter.
-  var argument0 = Blockly.JavaScript.valueToCode(block, 'VALUE',
-      Blockly.JavaScript.ORDER_ASSIGNMENT) || 'NaN';
-  return argument0 + ';';
-};
-
-Blockly.Blocks['plane_get_rows'] = {
-  // Block for row variable getter.
-  init: function() {
-    this.setHelpUrl(Blockly.Msg['VARIABLES_GET_HELPURL']);
-    this.setColour(330);
-    this.appendDummyInput()
-        .appendField(Plane.getMsg('Plane_getRows')
-            .replace('%1', Plane.rows1st), 'title');
-    this.setOutput(true, 'Number');
-  },
-  customUpdate: function() {
-    this.setFieldValue(
-        Plane.getMsg('Plane_getRows')
-            .replace('%1', Plane.rows1st), 'title');
-  }
-};
-
-Blockly.JavaScript['plane_get_rows'] = function(block) {
-  // Generate JavaScript for row variable getter.
-  return ['Plane.rows1st', Blockly.JavaScript.ORDER_MEMBER];
-};
-
-Blockly.Blocks['plane_get_rows1st'] = {
-  // Block for first class row variable getter.
-  init: function() {
-    this.setHelpUrl(Blockly.Msg['VARIABLES_GET_HELPURL']);
-    this.setColour(330);
-    this.appendDummyInput()
-        .appendField(Plane.getMsg('Plane_getRows1')
-            .replace('%1', Plane.rows1st), 'title');
-    this.setOutput(true, 'Number');
-  },
-  customUpdate: function() {
-    this.setFieldValue(
-        Plane.getMsg('Plane_getRows1')
-            .replace('%1', Plane.rows1st), 'title');
-  }
-};
-
-Blockly.JavaScript['plane_get_rows1st'] = function(block) {
-  // Generate JavaScript for first class row variable getter.
-  return ['Plane.rows1st', Blockly.JavaScript.ORDER_MEMBER];
-};
-
-Blockly.Blocks['plane_get_rows2nd'] = {
-  // Block for second class row variable getter.
-  init: function() {
-    this.setHelpUrl(Blockly.Msg['VARIABLES_GET_HELPURL']);
-    this.setColour(330);
-    this.appendDummyInput()
-        .appendField(Plane.getMsg('Plane_getRows2')
-            .replace('%1', Plane.rows2nd), 'title');
-    this.setOutput(true, 'Number');
-  },
-  customUpdate: function() {
-    this.setFieldValue(
-        Plane.getMsg('Plane_getRows2')
-            .replace('%1', Plane.rows2nd), 'title');
-  }
-};
-
-Blockly.JavaScript['plane_get_rows2nd'] = function(block) {
-  // Generate JavaScript for second class row variable getter.
-  return ['Plane.rows2nd', Blockly.JavaScript.ORDER_MEMBER];
-};
diff --git a/demos/plane/generated/ar.js b/demos/plane/generated/ar.js
deleted file mode 100644
index ac760fb11d8..00000000000
--- a/demos/plane/generated/ar.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">\u0627\u0644\u0635\u0641\u0648\u0641: %1</span><span id="Plane_getRows">\u0627\u0644\u0635\u0641\u0648\u0641 (%1)</span><span id="Plane_rows1">\u0635\u0641\u0648\u0641 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0623\u0648\u0644\u0649: %1</span><span id="Plane_getRows1">\u0635\u0641\u0648\u0641 \u0627\u0644\u0637\u0628\u0642\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 (%1)</span><span id="Plane_rows2">\u0635\u0641\u0648\u0641 \u0627\u0644\u0641\u0626\u0629 \u0627\u0644\u062B\u0627\u0646\u064A\u0629: %1</span><span id="Plane_getRows2">\u0635\u0641\u0648\u0641 \u0627\u0644\u0641\u0626\u0629 \u0627\u0644\u062B\u0627\u0646\u064A\u0629: (%1)</span><span id="Plane_seats">\u0627\u0644\u0645\u0642\u0627\u0639\u062F: %1</span><span id="Plane_placeholder">\u061F</span><span id="Plane_setSeats">\u0627\u0644\u0645\u0642\u0627\u0639\u062F =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">\u0622\u0644\u0629 \u062D\u0627\u0633\u0628\u0629 \u0644\u0645\u0642\u0639\u062F \u0627\u0644\u0637\u0627\u0626\u0631\u0629</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += '\u0647\u0646\u0627\u0644\u0643 \u0637\u0627\u0626\u0631\u0629 \u062A\u062D\u062A\u0648\u064A \u0639\u0644\u0649 \u0639\u062F\u062F \u0645\u0646 \u0635\u0641\u0648\u0641 \u0645\u0642\u0627\u0639\u062F \u0627\u0644\u0631\u0643\u0627\u0628. \u0643\u0644 \u0635\u0641 \u064A\u062D\u062A\u0648\u064A \u0639\u0644\u0649 \u0623\u0631\u0628\u0639\u0629 \u0645\u0642\u0627\u0639\u062F.';
-      break;
-    case 2:
-      output += '\u0637\u0627\u0626\u0631\u0629 \u0628\u0645\u0642\u0639\u062F\u064A\u0646 \u0641\u064A \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0637\u064A\u0651\u0627\u0631 (\u0644\u0644\u0637\u064A\u0627\u0631 \u0648\u0645\u0633\u0627\u0639\u062F\u0647) \u0648\u0639\u062F\u062F \u0645\u0646 \u0627\u0644\u0635\u0641\u0648\u0641 \u064A\u062D\u062A\u0648\u064A \u0643\u0644 \u0635\u0641 \u0639\u0644\u0649 \u0623\u0631\u0628\u0639\u0629 \u0645\u0642\u0627\u0639\u062F.';
-      break;
-    case 3:
-      output += '\u0637\u0627\u0626\u0631\u0629 \u0628\u0645\u0642\u0639\u062F\u064A\u0646 \u0641\u064A \u0645\u0642\u0637\u0648\u0631\u0629 \u0627\u0644\u0637\u064A\u0651\u0627\u0631 (\u0644\u0644\u0637\u064A\u0627\u0631 \u0648\u0645\u0633\u0627\u0639\u062F\u0647) \u0648\u0639\u062F\u062F \u0645\u0646 \u0627\u0644\u0645\u0642\u0627\u0639\u062F \u0641\u064A \u0635\u0641\u0648\u0641 \u0627\u0644\u062F\u0631\u062C\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 \u0648\u0627\u0644\u062B\u0627\u0646\u064A\u0629. \u0643\u0644 \u0635\u0641 \u0645\u0646 \u0635\u0641\u0648\u0641 \u0627\u0644\u062F\u0631\u062C\u0629 \u0627\u0644\u0623\u0648\u0644\u0649 \u064A\u062D\u062A\u0648\u064A \u0639\u0644\u0649 \u0623\u0631\u0628\u0639\u0629 \u0645\u0642\u0627\u0639\u062F. \u0648\u064A\u062D\u062A\u0648\u064A \u0643\u0644 \u0635\u0641 \u0641\u064A \u0627\u0644\u062F\u0631\u062C\u0629 \u0627\u0644\u062B\u0627\u0646\u064A\u0629 \u0639\u0644\u0649 \u062E\u0645\u0633\u0629 \u0645\u0642\u0627\u0639\u062F.';
-      break;
-  }
-  output += '</p><p>\u0644\u0628\u0646\u0627\u0621 \u0635\u064A\u063A\u0629 (\u0623\u062F\u0646\u0627\u0647) \u062A\u0642\u0648\u0645 \u0628\u062D\u0633\u0627\u0628 \u0625\u062C\u0645\u0627\u0644\u064A \u0639\u062F\u062F \u0627\u0644\u0645\u0642\u0627\u0639\u062F \u0641\u064A \u0627\u0644\u0637\u0627\u0626\u0631\u0629 \u0639\u0646\u062F \u062A\u063A\u064A\u064A\u0631 \u0627\u0644\u0635\u0641\u0648\u0641 (\u0623\u0639\u0644\u0627\u0647).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/be-tarask.js b/demos/plane/generated/be-tarask.js
deleted file mode 100644
index 9fee77823e3..00000000000
--- a/demos/plane/generated/be-tarask.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">\u0420\u0430\u0434\u043A\u043E\u045E: %1</span><span id="Plane_getRows">\u0440\u0430\u0434\u043A\u043E\u045E (%1)</span><span id="Plane_rows1">\u0420\u0430\u0434\u043A\u0456 \u043F\u0435\u0440\u0448\u0430\u0433\u0430 \u043A\u043B\u044F\u0441\u0443: %1</span><span id="Plane_getRows1">\u0440\u0430\u0434\u043A\u0456 \u043F\u0435\u0440\u0448\u0430\u0433\u0430 \u043A\u043B\u044F\u0441\u0443 (%1)</span><span id="Plane_rows2">\u0420\u0430\u0434\u043A\u0456 \u0434\u0440\u0443\u0433\u043E\u0433\u0430 \u043A\u043B\u044F\u0441\u0443: %1</span><span id="Plane_getRows2">\u0440\u0430\u0434\u043A\u0456 \u0434\u0440\u0443\u0433\u043E\u0433\u0430 \u043A\u043B\u044F\u0441\u0443 (%1)</span><span id="Plane_seats">\u041C\u0435\u0441\u0446\u0430\u045E: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">\u043C\u0435\u0441\u0446\u0430\u045E =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">\u041A\u0430\u043B\u044C\u043A\u0443\u043B\u044F\u0442\u0430\u0440 \u043C\u0435\u0441\u0446\u0430\u045E \u0443 \u0441\u0430\u043C\u0430\u043B\u0451\u0446\u0435</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += '\u0421\u0430\u043C\u0430\u043B\u0451\u0442 \u043C\u0430\u0435 \u043D\u0435\u043A\u0430\u043B\u044C\u043A\u0456 \u0448\u044D\u0440\u0430\u0433\u0430\u045E \u043F\u0430\u0441\u0430\u0436\u044B\u0440\u0441\u043A\u0456\u0445 \u0441\u044F\u0434\u0437\u0435\u043D\u044C\u043D\u044F\u045E. \u041A\u043E\u0436\u043D\u0430\u044F \u0448\u044D\u0440\u0430\u0433 \u0443\u0442\u0440\u044B\u043C\u043B\u0456\u0432\u0430\u0435 \u0447\u0430\u0442\u044B\u0440\u044B \u043C\u0435\u0441\u0446\u044B.';
-      break;
-    case 2:
-      output += '\u0421\u0430\u043C\u0430\u043B\u0451\u0442 \u043C\u0430\u0435 \u0434\u0432\u0430 \u043C\u0435\u0441\u0446\u044B \u045E \u043A\u0430\u0431\u0456\u043D\u0435 \u044D\u043A\u0456\u043F\u0430\u0436\u0430 (\u043F\u0456\u043B\u043E\u0442 \u0456 \u0434\u0440\u0443\u0433\u0456 \u043F\u0456\u043B\u043E\u0442), \u0456 \u043D\u0435\u043A\u0430\u043B\u044C\u043A\u0456 \u0448\u044D\u0440\u0430\u0433\u0430\u045E \u043F\u0430\u0441\u0430\u0436\u044B\u0440\u0441\u043A\u0456\u0445 \u0441\u044F\u0434\u0437\u0435\u043D\u044C\u043D\u044F\u045E. \u041A\u043E\u0436\u043D\u044B \u0448\u044D\u0440\u0430\u0433 \u0443\u0442\u0440\u044B\u043C\u043B\u0456\u0432\u0430\u0435 \u0447\u0430\u0442\u044B\u0440\u044B \u043C\u0435\u0441\u0446\u044B.';
-      break;
-    case 3:
-      output += '\u0421\u0430\u043C\u0430\u043B\u0451\u0442 \u043C\u0430\u0435 \u0434\u0432\u0430 \u043C\u0435\u0441\u0446\u044B \u045E \u043A\u0430\u0431\u0456\u043D\u0435 \u044D\u043A\u0456\u043F\u0430\u0436\u0430 (\u043F\u0456\u043B\u043E\u0442 \u0456 \u0434\u0440\u0443\u0433\u0456 \u043F\u0456\u043B\u043E\u0442), \u0456 \u043D\u0435\u043A\u0430\u043B\u044C\u043A\u0456 \u043F\u0430\u0441\u0430\u0436\u044B\u0440\u0441\u043A\u0456\u0445 \u0448\u044D\u0440\u0430\u0433\u0430\u045E \u043C\u0435\u0441\u0446\u0430\u045E 1-\u0433\u0430 \u043A\u043B\u044F\u0441\u0430 \u0456 2-\u0433\u0430 \u043A\u043B\u044F\u0441\u0430. \u041A\u043E\u0436\u043D\u044B \u0448\u044D\u0440\u0430\u0433 1-\u0433\u0430 \u043A\u043B\u044F\u0441\u0430 \u0443\u0442\u0440\u044B\u043C\u043B\u0456\u0432\u0430\u0435 \u0447\u0430\u0442\u044B\u0440\u044B \u043C\u0435\u0441\u0446\u044B. \u041A\u043E\u0436\u043D\u044B \u0448\u044D\u0440\u0430\u0433 2-\u0433\u0430 \u043A\u043B\u044F\u0441\u0430 \u045E\u0442\u0440\u044B\u043C\u043B\u0456\u0432\u0430\u0435 \u043F\u044F\u0446\u044C \u043C\u0435\u0441\u0446\u0430\u045E.';
-      break;
-  }
-  output += '</p><p>\u041F\u0430\u0431\u0443\u0434\u0430\u0432\u0430\u0446\u044C \u0444\u043E\u0440\u043C\u0443\u043B\u0443 (\u043D\u0456\u0436\u044D\u0439), \u044F\u043A\u0430\u044F \u043F\u0430\u0434\u043B\u0456\u0447\u0432\u0430\u0435 \u0430\u0433\u0443\u043B\u044C\u043D\u0443\u044E \u043A\u043E\u043B\u044C\u043A\u0430\u0441\u044C\u0446\u044C \u043C\u0435\u0441\u0446\u0430\u045E \u0443 \u0441\u0430\u043C\u0430\u043B\u0451\u0446\u0435 \u043F\u0440\u044B \u0437\u044C\u043C\u0435\u043D\u0435 \u0440\u0430\u0434\u043E\u045E (\u0433\u043B. \u0432\u044B\u0448\u044D\u0439).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/br.js b/demos/plane/generated/br.js
deleted file mode 100644
index 9722c6ea240..00000000000
--- a/demos/plane/generated/br.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Renkennado\u00F9 : %1</span><span id="Plane_getRows">renkennado\u00F9 (%1)</span><span id="Plane_rows1">Renkennado\u00F9 kenta\u00F1 klas : %1</span><span id="Plane_getRows1">Renkennado\u00F9 kenta\u00F1 klas (%1)</span><span id="Plane_rows2">Renkennado\u00F9 eil klas : %1</span><span id="Plane_getRows2">Renkennado\u00F9 eil klas (%1)</span><span id="Plane_seats">Azezenno\u00F9 : %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">azezenno\u00F9 =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Jederez azezenn nijerez</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Un nijerez he deus un toullad renkennado\u00F9 azezenno\u00F9 evit ar veajourien. Peder azezenn a zo e pep renkennad.';
-      break;
-    case 2:
-      output += 'En un nijerez ez eus div azezenn el logell levia\u00F1(evit al loman hag an eil loman), hag ur toullad renkennado\u00F9 azezenno\u00F9 evit an dremenidi. Peder azezenn zo e pep renkennad.';
-      break;
-    case 3:
-      output += 'En un nijerez ez eus div azezenn el logell levia\u00F1(evit al loman hag an eil loman), hag un toullad renkennado\u00F9 azezenno\u00F9 tremenidi kenta\u00F1 hag eil klas. Peder azezenn zo e pep renkennad kenta\u00F1 klas. Pemp azezenn zo e pemp renkennad eil klas.';
-      break;
-  }
-  output += '</p><p>Sevel ur formulenn (ama\u00F1 dindan) evit jedi\u00F1 an niver a azezenno\u00F9 en holl en nijerez pa vez kemmet an niver a renkennado\u00F9 (ama\u00F1 a-us).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/ca.js b/demos/plane/generated/ca.js
deleted file mode 100644
index 9f2808c682f..00000000000
--- a/demos/plane/generated/ca.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Files: %1</span><span id="Plane_getRows">files (%1)</span><span id="Plane_rows1">files de primera classe: %1</span><span id="Plane_getRows1">files de primera classe (%1)</span><span id="Plane_rows2">files de segona classe: %1</span><span id="Plane_getRows2">files de segona classe (%1)</span><span id="Plane_seats">Seients: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">seients =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Calculadora de seients d\'avi\u00F3</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Un avi\u00F3 t\u00E9 un nombre de files de seients de passatgers.  Cada fila cont\u00E9 quatre seients.';
-      break;
-    case 2:
-      output += 'Un avi\u00F3 t\u00E9 dos seients en la cabina de vol (pel pilot i pel copilot) i un nombre de files de seients de passatgers. Cada fila cont\u00E9 quatre seients.';
-      break;
-    case 3:
-      output += 'Un avi\u00F3 t\u00E9 dos seients en la cabina de vol (pel pilot i copilot) i un nombre de files per seients de passatgers de primera classe i de segona classe. Cada fila de primera classe cont\u00E9 quatre seients. Cada fila de segona classe cont\u00E9 cinc seients.';
-      break;
-  }
-  output += '</p><p>Constru\u00EFu una f\u00F3rmula (a sota) que calculi el nombre total de seients de l\'avi\u00F3 a mida que canvi\u00EFn les files (a dalt).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/da.js b/demos/plane/generated/da.js
deleted file mode 100644
index beed51a5568..00000000000
--- a/demos/plane/generated/da.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">R\u00E6kker: %1</span><span id="Plane_getRows">r\u00E6kker (%1)</span><span id="Plane_rows1">1. klasse r\u00E6kker: %1</span><span id="Plane_getRows1">1. klasse r\u00E6kker (%1)</span><span id="Plane_rows2">2. klasse r\u00E6kker: %1</span><span id="Plane_getRows2">2. klasse r\u00E6kker (%1)</span><span id="Plane_seats">S\u00E6der: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">s\u00E6der =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Flys\u00E6delommeregner</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Et fly har et antal r\u00E6kker af passagers\u00E6der. Hver r\u00E6kke indeholder fire s\u00E6der.';
-      break;
-    case 2:
-      output += 'Et fly har to pladser i cockpittet (til pilot og med-pilot), og et antal r\u00E6kker af passagers\u00E6der. Hver r\u00E6kke indeholder fire s\u00E6der.';
-      break;
-    case 3:
-      output += 'Et fly har to pladser i cockpittet (til pilot og med-pilot), og et antal r\u00E6kker af 1. klasses og 2. klasses passagers\u00E6der. Hver 1. klasses r\u00E6kke indeholder fire s\u00E6der. Hver 2. klasses r\u00E6kke indeholder fem s\u00E6der.';
-      break;
-  }
-  output += '</p><p>Opbyg en formel (nedenfor), der beregner det samlede antal pladser p\u00E5 flyet, hvis antal r\u00E6kker \u00E6ndres (ovenfor).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/de.js b/demos/plane/generated/de.js
deleted file mode 100644
index edff1dc36e8..00000000000
--- a/demos/plane/generated/de.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Reihen: %1</span><span id="Plane_getRows">Reihen (%1)</span><span id="Plane_rows1">Reihen der 1. Klasse: %1</span><span id="Plane_getRows1">Reihen der 1. Klasse (%1)</span><span id="Plane_rows2">Reihen der 2. Klasse: %1</span><span id="Plane_getRows2">Reihen der 2. Klasse (%1)</span><span id="Plane_seats">Sitze: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">Sitze =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Flugzeugsitzrechner</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Ein Flugzeug hat eine Anzahl an Reihen mit Passagiersitzen. Jede Reihe enth\u00E4lt vier Sitze.';
-      break;
-    case 2:
-      output += 'Ein Flugzeug hat zwei Sitze im Pilotenstand (f\u00FCr den Piloten und Co-Piloten) und eine Anzahl an Reihen mit Passagiersitzen. Jede Reihe enth\u00E4lt vier Sitze.';
-      break;
-    case 3:
-      output += 'Ein Flugzeug hat zwei Sitze im Pilotenstand (f\u00FCr den Piloten und Co-Piloten) und eine Anzahl an Reihen mit Passagiersitzen der 1. und 2. Klasse. Jede 1.-Klasse-Reihe enth\u00E4lt vier Sitze. Jede 2.-Klasse-Reihe enth\u00E4lt f\u00FCnf Sitze.';
-      break;
-  }
-  output += '</p><p>Erstelle eine Formel (unten), die die gesamte Anzahl an Sitzen im Flugzeug berechnet, wenn die Reihen (oben) ge\u00E4ndert werden.</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/el.js b/demos/plane/generated/el.js
deleted file mode 100644
index 451d5e57a78..00000000000
--- a/demos/plane/generated/el.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">\u03A3\u03B5\u03B9\u03C1\u03AD\u03C2: %1</span><span id="Plane_getRows">\u03C3\u03B5\u03B9\u03C1\u03AD\u03C2 (%1)</span><span id="Plane_rows1">\u03A3\u03B5\u03B9\u03C1\u03AD\u03C2 1\u03B7\u03C2 \u03B8\u03AD\u03C3\u03B7\u03C2: %1</span><span id="Plane_getRows1">\u03A3\u03B5\u03B9\u03C1\u03AD\u03C2 1\u03B7\u03C2 \u03B8\u03AD\u03C3\u03B7\u03C2 (%1)</span><span id="Plane_rows2">\u03A3\u03B5\u03B9\u03C1\u03AD\u03C2 2\u03B7\u03C2 \u03B8\u03AD\u03C3\u03B7\u03C2: %1</span><span id="Plane_getRows2">\u03A3\u03B5\u03B9\u03C1\u03AD\u03C2 2\u03B7\u03C2 \u03B8\u03AD\u03C3\u03B7\u03C2 (%1)</span><span id="Plane_seats">\u039A\u03B1\u03B8\u03AF\u03C3\u03BC\u03B1\u03C4\u03B1: %1</span><span id="Plane_placeholder">;</span><span id="Plane_setSeats">\u03BA\u03B1\u03B8\u03AF\u03C3\u03BC\u03B1\u03C4\u03B1 =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">\u03A5\u03C0\u03BF\u03BB\u03BF\u03B3\u03B9\u03C3\u03BC\u03CC\u03C2 \u0398\u03AD\u03C3\u03B5\u03C9\u03BD \u03A3\u03B5 \u0391\u03B5\u03C1\u03BF\u03C0\u03BB\u03AC\u03BD\u03BF</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += '\u0388\u03BD\u03B1 \u03B1\u03B5\u03C1\u03BF\u03C0\u03BB\u03AC\u03BD\u03BF \u03AD\u03C7\u03B5\u03B9 \u03AD\u03BD\u03B1\u03BD \u03C3\u03C5\u03B3\u03BA\u03B5\u03BA\u03C1\u03B9\u03BC\u03AD\u03BD\u03BF \u03B1\u03C1\u03B9\u03B8\u03BC\u03CC \u03C3\u03B5\u03B9\u03C1\u03CE\u03BD \u03BA\u03B1\u03B8\u03B9\u03C3\u03BC\u03AC\u03C4\u03C9\u03BD \u03B5\u03C0\u03B9\u03B2\u03B1\u03C4\u03CE\u03BD. \u039A\u03AC\u03B8\u03B5 \u03C3\u03B5\u03B9\u03C1\u03AC \u03AD\u03C7\u03B5\u03B9 \u03C4\u03AD\u03C3\u03C3\u03B5\u03C1\u03B1 \u03BA\u03B1\u03B8\u03AF\u03C3\u03BC\u03B1\u03C4\u03B1.';
-      break;
-    case 2:
-      output += '\u0388\u03BD\u03B1 \u03B1\u03B5\u03C1\u03BF\u03C0\u03BB\u03AC\u03BD\u03BF \u03AD\u03C7\u03B5\u03B9 \u03B4\u03CD\u03BF \u03BA\u03B1\u03B8\u03AF\u03C3\u03BC\u03B1\u03C4\u03B1 \u03C3\u03C4\u03BF\u03BD \u03B8\u03AC\u03BB\u03B1\u03BC\u03BF \u03B4\u03B9\u03B1\u03BA\u03C5\u03B2\u03AD\u03C1\u03BD\u03B7\u03C3\u03B7\u03C2 (\u03B3\u03B9\u03B1 \u03C4\u03BF\u03BD \u03BA\u03C5\u03B2\u03B5\u03C1\u03BD\u03AE\u03C4\u03B7 \u03BA\u03B1\u03B9 \u03C4\u03BF\u03BD \u03C3\u03C5\u03B3\u03BA\u03C5\u03B2\u03B5\u03C1\u03BD\u03AE\u03C4\u03B7), \u03BA\u03B1\u03B8\u03CE\u03C2 \u03BA\u03B1\u03B9 \u03AD\u03BD\u03B1\u03BD \u03B1\u03C1\u03B9\u03B8\u03BC\u03CC \u03B1\u03C0\u03CC \u03C3\u03B5\u03B9\u03C1\u03AD\u03C2 \u03BA\u03B1\u03B8\u03B9\u03C3\u03BC\u03AC\u03C4\u03C9\u03BD \u03B5\u03C0\u03B9\u03B2\u03B1\u03C4\u03CE\u03BD.  \u039A\u03AC\u03B8\u03B5 \u03C3\u03B5\u03B9\u03C1\u03AC \u03AD\u03C7\u03B5\u03B9 \u03C4\u03AD\u03C3\u03C3\u03B5\u03C1\u03B1 \u03BA\u03B1\u03B8\u03AF\u03C3\u03BC\u03B1\u03C4\u03B1.';
-      break;
-    case 3:
-      output += '\u0388\u03BD\u03B1 \u03B1\u03B5\u03C1\u03BF\u03C0\u03BB\u03AC\u03BD\u03BF \u03AD\u03C7\u03B5\u03B9 \u03B4\u03CD\u03BF \u03BA\u03B1\u03B8\u03AF\u03C3\u03BC\u03B1\u03C4\u03B1 \u03C3\u03C4\u03BF\u03BD \u03B8\u03AC\u03BB\u03B1\u03BC\u03BF \u03B4\u03B9\u03B1\u03BA\u03C5\u03B2\u03AD\u03C1\u03BD\u03B7\u03C3\u03B7\u03C2 (\u03B3\u03B9\u03B1 \u03C4\u03BF\u03BD \u03BA\u03C5\u03B2\u03B5\u03C1\u03BD\u03AE\u03C4\u03B7 \u03BA\u03B1\u03B9 \u03C4\u03BF\u03BD \u03C3\u03C5\u03B3\u03BA\u03C5\u03B2\u03B5\u03C1\u03BD\u03AE\u03C4\u03B7), \u03BA\u03B1\u03B8\u03CE\u03C2 \u03BA\u03B1\u03B9 \u03AD\u03BD\u03B1\u03BD \u03B1\u03C1\u03B9\u03B8\u03BC\u03CC \u03C3\u03B5\u03B9\u03C1\u03CE\u03BD \u03BA\u03B1\u03B8\u03B9\u03C3\u03BC\u03AC\u03C4\u03C9\u03BD \u03B3\u03B9\u03B1 \u03C4\u03B7\u03BD 1\u03B7 \u03BA\u03B1\u03B9 2\u03B7 \u03B8\u03AD\u03C3\u03B7. \u039A\u03AC\u03B8\u03B5 \u03C3\u03B5\u03B9\u03C1\u03AC \u03C4\u03B7\u03C2 1\u03B7\u03C2 \u03B8\u03AD\u03C3\u03B7\u03C2 \u03AD\u03C7\u03B5\u03B9 \u03C4\u03AD\u03C3\u03C3\u03B5\u03C1\u03B1 \u03BA\u03B1\u03B8\u03AF\u03C3\u03BC\u03B1\u03C4\u03B1 \u03BA\u03B1\u03B9 \u03BA\u03AC\u03B8\u03B5 \u03C3\u03B5\u03B9\u03C1\u03AC \u03C4\u03B7\u03C2 2\u03B7\u03C2 \u03B8\u03AD\u03C3\u03B7\u03C2 \u03AD\u03C7\u03B5\u03B9 \u03C0\u03AD\u03BD\u03C4\u03B5 \u03BA\u03B1\u03B8\u03AF\u03C3\u03BC\u03B1\u03C4\u03B1.';
-      break;
-  }
-  output += '</p><p>\u03A6\u03C4\u03B9\u03AC\u03BE\u03B5 \u03AD\u03BD\u03B1\u03BD \u03C4\u03CD\u03C0\u03BF (\u03BA\u03AC\u03C4\u03C9) \u03C0\u03BF\u03C5 \u03B8\u03B1 \u03C5\u03C0\u03BF\u03BB\u03BF\u03B3\u03AF\u03B6\u03B5\u03B9 \u03C4\u03BF\u03BD \u03C3\u03C5\u03BD\u03BF\u03BB\u03B9\u03BA\u03CC \u03B1\u03C1\u03B9\u03B8\u03BC\u03CC \u03BA\u03B1\u03B8\u03B9\u03C3\u03BC\u03AC\u03C4\u03C9\u03BD \u03C4\u03BF\u03C5 \u03B1\u03B5\u03C1\u03BF\u03C0\u03BB\u03AC\u03BD\u03BF\u03C5 \u03BA\u03B1\u03B8\u03CE\u03C2 \u03B1\u03BB\u03BB\u03AC\u03B6\u03BF\u03C5\u03BD \u03BF\u03B9 \u03C3\u03B5\u03B9\u03C1\u03AD\u03C2 (\u03C0\u03AC\u03BD\u03C9).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/en.js b/demos/plane/generated/en.js
deleted file mode 100644
index 016b8443644..00000000000
--- a/demos/plane/generated/en.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Rows: %1</span><span id="Plane_getRows">rows (%1)</span><span id="Plane_rows1">1st class rows: %1</span><span id="Plane_getRows1">1st class rows (%1)</span><span id="Plane_rows2">2nd class rows: %1</span><span id="Plane_getRows2">2nd class rows (%1)</span><span id="Plane_seats">Seats: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">seats =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Plane Seat Calculator</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'An airplane has a number of rows of passenger seats.  Each row contains four seats.';
-      break;
-    case 2:
-      output += 'An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.';
-      break;
-    case 3:
-      output += 'An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.';
-      break;
-  }
-  output += '</p><p>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/es.js b/demos/plane/generated/es.js
deleted file mode 100644
index a565218c818..00000000000
--- a/demos/plane/generated/es.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Filas: %1</span><span id="Plane_getRows">filas (%1)</span><span id="Plane_rows1">Filas de primera clase: %1</span><span id="Plane_getRows1">Filas de primera clase: (%1)</span><span id="Plane_rows2">Filas de segunda clase: %1</span><span id="Plane_getRows2">Filas de segunda clase: (%1)</span><span id="Plane_seats">Asientos: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">asientos =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Calculadora de asientos de avi\u00F3n</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Un avi\u00F3n\u00A0 tiene un n\u00FAmero de filas de asientos de pasajeros. Cada fila contiene cuatro asientos.';
-      break;
-    case 2:
-      output += 'Un avi\u00F3n tiene dos asientos en la cabina de vuelo (para el piloto y co-piloto), y un n\u00FAmero de filas de asientos de pasajeros. Cada fila contiene cuatro asientos.';
-      break;
-    case 3:
-      output += 'Un avi\u00F3n tiene dos asientos en la cabina de vuelo (para el piloto y co-piloto), y un n\u00FAmero de filas de asientos para pasajeros de primera y segunda clase. Cada fila de la primera clase contiene cuatro asientos. Cada fila de la segunda clase contiene cinco asientos.';
-      break;
-  }
-  output += '</p><p>Construir una f\u00F3rmula (abajo) que calcule el n\u00FAmero total de asientos en el avi\u00F3n cuando las filas sean cambiadas (arriba).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/et.js b/demos/plane/generated/et.js
deleted file mode 100644
index 069c7cb2804..00000000000
--- a/demos/plane/generated/et.js
+++ /dev/null
@@ -1,37 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Ridu: %1</span><span id="Plane_getRows">rows (%1)</span><span id="Plane_rows1">1. klassi ridu: %1</span><span id="Plane_getRows1">1. klassi ridu (%1)</span><span id="Plane_rows2">2. klassi ridu: %1</span><span id="Plane_getRows2">2. klassi ridu (%1)</span><span id="Plane_seats">Istmeid: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">istmete arv =</span></div>';
-};
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Lennukiistmete kalkulaator</span> &nbsp; ';
-  var iLimit37 = opt_ijData.maxLevel + 1;
-  for (var i37 = 1; i37 < iLimit37; i37++) {
-    output += ' ' + ((i37 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i37) + '</span>' : (i37 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i37) + '">' + soy.$$escapeHtml(i37) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i37) + '">' + soy.$$escapeHtml(i37) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Lennukis on reisijate istmed mitmes reas. Igas reas on neli istet.';
-      break;
-    case 2:
-      output += 'Lennuki kokpitis on kaks istet (üks kummalegi piloodile) ja mingi arv istemridu reisijatele. Igas reas on neli istet.';
-      break;
-    case 3:
-      output += 'Lennuki kokpitis on kaks istet (üks kummalegi piloodile), mingi arv ridu 1. klassi reisijatele ja mingi arv ridu 2. klassi reisijatele. Igas 1. klassi reas on neli istet, igas 2. klassi reas viis istet.';
-      break;
-  }
-  output += '</p><p>Ehita plokkidest valem, mis arvutab istmete arvu lennukis õigesti sõltumata ridade arvust (seda saad muuta lennuki juures oleva liuguriga).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
diff --git a/demos/plane/generated/fa.js b/demos/plane/generated/fa.js
deleted file mode 100644
index d29a9db9719..00000000000
--- a/demos/plane/generated/fa.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">\u0631\u062F\u06CC\u0641: %1</span><span id="Plane_getRows">\u0631\u062F\u06CC\u0641\u200C\u0647\u0627 (%1)</span><span id="Plane_rows1">\u0627\u0648\u0644\u06CC\u0646 \u0631\u062F\u06CC\u0641 \u06A9\u0644\u0627\u0633: %1</span><span id="Plane_getRows1">\u0627\u0648\u0644\u06CC\u0646 \u06A9\u0644\u0627\u0633 \u0631\u062F\u06CC\u0641\u200C\u0647\u0627 (%1)</span><span id="Plane_rows2">\u062F\u0648\u0645\u06CC\u0646 \u06A9\u0644\u0627\u0633 \u0631\u062F\u06CC\u0641: %1</span><span id="Plane_getRows2">\u062F\u0648\u0645\u06CC\u0646 \u06A9\u0644\u0627\u0633 \u0631\u062F\u06CC\u0641\u200C\u0647\u0627 (%1)</span><span id="Plane_seats">\u0635\u0646\u062F\u0644\u06CC\u200C\u0647\u0627: %1</span><span id="Plane_placeholder">\u061F</span><span id="Plane_setSeats">\u0635\u0646\u062F\u0644\u06CC\u200C\u0647\u0627 =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">\u0645\u062D\u0627\u0633\u0628\u0647\u200C\u06AF\u0631 \u0635\u0646\u062F\u0644\u06CC\u200C\u0647\u0627\u06CC \u0647\u0648\u0627\u067E\u06CC\u0645\u0627</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += '\u06CC\u06A9 \u0647\u0648\u0627\u067E\u06CC\u0645\u0627 \u062A\u0639\u062F\u0627\u062F \u0627\u0632 \u0635\u0646\u062F\u0644\u06CC\u200C\u0647\u0627\u06CC \u0645\u0633\u0627\u0641\u0631\u06CC\u0646 \u0631\u0627 \u062F\u0627\u0631\u062F. \u0647\u0631 \u0631\u062F\u06CC\u0641 \u0634\u0645\u0627\u0644 \u0686\u0647\u0627\u0631 \u0635\u0646\u062F\u0644\u06CC \u0627\u0633\u062A.';
-      break;
-    case 2:
-      output += '\u06CC\u06A9 \u0647\u0648\u0627\u067E\u06CC\u0645\u0627 \u062F\u0648 \u0635\u0646\u062F\u0644\u06CC \u062F\u0631 \u0639\u0631\u0634\u0647\u0654 \u067E\u0631\u0648\u0627\u0632 \u062F\u0627\u0631\u062F (\u0628\u0631\u0627\u06CC \u062E\u0644\u0628\u0627\u0646 \u0648 \u06A9\u0645\u06A9 \u062E\u0644\u0628\u0627\u0646) \u0648 \u062A\u0639\u062F\u0627\u062F\u06CC \u0635\u0646\u062F\u0644\u06CC \u0645\u0633\u0627\u0641\u0631\u06CC\u0646.  \u0647\u0631 \u0631\u062F\u06CC\u0641 \u0634\u0627\u0645\u0644 \u0686\u0647\u0627\u0631 \u0635\u0646\u062F\u0644\u06CC \u0627\u0633\u062A.';
-      break;
-    case 3:
-      output += '\u06CC\u06A9 \u0647\u0648\u0627\u067E\u06CC\u0645\u0627 \u062F\u0648 \u0635\u0646\u062F\u0644\u06CC \u062F\u0631 \u06A9\u0627\u0628\u06CC\u0646 \u062E\u0644\u0628\u0627\u0646 \u062F\u0627\u0631\u062F (\u0628\u0631\u0627\u06CC \u062E\u0644\u0628\u0627\u0646 \u0648 \u06A9\u0645\u06A9 \u062E\u0644\u0628\u0627\u0646) \u0648 \u062A\u0647\u062F\u0627\u062F \u0627\u0632 \u0635\u0646\u062F\u0644\u06CC\u200C\u0647\u0627 \u0645\u0633\u0627\u0641\u0631\u06CC\u0646 \u062F\u0631\u062C\u0647 \u06CC\u06A9 \u0648 \u062F\u0631\u062C\u0647 \u062F\u0648.  \u0647\u0631 \u0631\u062F\u06CC\u0641 \u062F\u0631\u062C\u0647 \u06CC\u06A9 \u0634\u0627\u0645\u0644 \u0686\u0647\u0627\u0631 \u0635\u0646\u062F\u0644\u06CC \u0627\u0633\u062A. \u0647\u0631 \u0631\u062F\u06CC\u0641 \u062F\u0631\u062C\u0647 \u062F\u0648 \u0634\u0627\u0645\u0644 \u067E\u0646\u062C \u0635\u0646\u062F\u0644\u06CC \u0627\u0633\u062A.';
-      break;
-  }
-  output += '</p><p>\u06CC\u06A9 \u0641\u0631\u0645\u0648\u0644 \u0628\u0633\u0627\u0632\u06CC\u062F (\u067E\u0627\u06CC\u06CC\u0646) \u06A9\u0647 \u062A\u0639\u062F\u0627\u062F \u06A9\u0644 \u0635\u0646\u062F\u0644\u06CC\u200C\u0647\u0627\u06CC \u0647\u0648\u0627\u067E\u06CC\u0645\u0627 \u0628\u0627 \u062A\u063A\u06CC\u06CC\u0631 \u0631\u062F\u06CC\u0641 \u0631\u0627 \u062D\u0633\u0627\u0628 \u06A9\u0646\u062F (\u0628\u0627\u0644\u0627).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/fr.js b/demos/plane/generated/fr.js
deleted file mode 100644
index df3ae46fde7..00000000000
--- a/demos/plane/generated/fr.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Rang\u00E9es : %1</span><span id="Plane_getRows">rang\u00E9es (%1)</span><span id="Plane_rows1">rang\u00E9es de premi\u00E8re classe : %1</span><span id="Plane_getRows1">rang\u00E9es de premi\u00E8re classe (%1)</span><span id="Plane_rows2">rang\u00E9es de seconde classe : %1</span><span id="Plane_getRows2">rang\u00E9es de seconde classe (%1)</span><span id="Plane_seats">Si\u00E8ges : %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">si\u00E8ges =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Calculateur de si\u00E8ges d\u2019avion</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Un avion a un nombre de rang\u00E9es de si\u00E8ges passager. Chaque rang\u00E9e contient quatre si\u00E8ges.';
-      break;
-    case 2:
-      output += 'Un avion a deux si\u00E8ges dans le poste de pilotage (pour le pilote et le copilote), et un certain nombre de rang\u00E9es de si\u00E8ges passager. Chaque rang\u00E9e contient quatre si\u00E8ges.';
-      break;
-    case 3:
-      output += 'Un avion a deux si\u00E8ges dans la cabine de pilotage (pour le pilote et le copilote), et un certain nombre de rang\u00E9es de si\u00E8ges passager de premi\u00E8re et seconde classes. Chaque rang\u00E9e de premi\u00E8re classe contient quatre si\u00E8ges. Chaque rang\u00E9e de seconde classe contient cinq si\u00E8ges.';
-      break;
-  }
-  output += '</p><p>Construire une formule (ci-dessous) qui calcule le nombre total de si\u00E8ges dans l\u2019avion quand le nombre de rang\u00E9es est modifi\u00E9 (ci-dessus).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/he.js b/demos/plane/generated/he.js
deleted file mode 100644
index 1a4050b0f5c..00000000000
--- a/demos/plane/generated/he.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">\u05E9\u05D5\u05E8\u05D5\u05EA: %1</span><span id="Plane_getRows">\u05E9\u05D5\u05E8\u05D5\u05EA (%1)</span><span id="Plane_rows1">\u05E9\u05D5\u05E8\u05D5\u05EA \u05D1\u05DE\u05D7\u05DC\u05E7\u05D4 \u05E8\u05D0\u05E9\u05D5\u05E0\u05D4: %1</span><span id="Plane_getRows1">\u05E9\u05D5\u05E8\u05D5\u05EA \u05D1\u05DE\u05D7\u05DC\u05E7\u05D4 \u05E8\u05D0\u05E9\u05D5\u05E0\u05D4 (%1)</span><span id="Plane_rows2">\u05E9\u05D5\u05E8\u05D5\u05EA \u05D1\u05DE\u05D7\u05DC\u05E7\u05D4 \u05E9\u05E0\u05D9\u05D9\u05D4: %1</span><span id="Plane_getRows2">\u05E9\u05D5\u05E8\u05D5\u05EA \u05D1\u05DE\u05D7\u05DC\u05E7\u05D4 \u05E9\u05E0\u05D9\u05D9\u05D4: (%1)</span><span id="Plane_seats">\u05DE\u05D5\u05E9\u05D1\u05D9\u05DD: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">\u05DE\u05D5\u05E9\u05D1\u05D9\u05DD =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">\u05DE\u05D7\u05E9\u05D1\u05D5\u05DF \u05DE\u05D5\u05E9\u05D1 \u05D1\u05DE\u05D8\u05D5\u05E1</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += '\u05D1\u05DE\u05D8\u05D5\u05E1 \u05D9\u05E9 \u05DE\u05E1\u05E4\u05E8 \u05E9\u05D5\u05E8\u05D5\u05EA \u05E2\u05DD \u05DE\u05D5\u05E9\u05D1\u05D9 \u05E0\u05D5\u05E1\u05E2\u05D9\u05DD. \u05D1\u05DB\u05DC \u05E9\u05D5\u05E8\u05D4 \u05D9\u05E9 \u05D0\u05E8\u05D1\u05E2\u05D4 \u05DE\u05D5\u05E9\u05D1\u05D9\u05DD.';
-      break;
-    case 2:
-      output += '\u05D1\u05DE\u05D8\u05D5\u05E1 \u05D9\u05E9 \u05E9\u05E0\u05D9 \u05DE\u05D5\u05E9\u05D1\u05D9\u05DD \u05E2\u05D1\u05D5\u05E8 \u05D4\u05E6\u05D5\u05D5\u05EA (\u05D1\u05E9\u05D1\u05D9\u05DC \u05D4\u05D8\u05D9\u05D9\u05E1 \u05D5\u05D8\u05D9\u05D9\u05E1 \u05D4\u05DE\u05E9\u05E0\u05D4), \u05D5\u05DE\u05E1\u05E4\u05E8 \u05E9\u05D5\u05E8\u05D5\u05EA \u05E2\u05DD \u05DE\u05D5\u05E9\u05D1\u05D9 \u05E0\u05D5\u05E1\u05E2\u05D9\u05DD. \u05D1\u05DB\u05DC \u05E9\u05D5\u05E8\u05D4 \u05D9\u05E9 \u05D0\u05E8\u05D1\u05E2\u05D4 \u05DE\u05D5\u05E9\u05D1\u05D9\u05DD.';
-      break;
-    case 3:
-      output += '\u05D1\u05DE\u05D8\u05D5\u05E1 \u05D9\u05E9 \u05E9\u05E0\u05D9 \u05DE\u05D5\u05E9\u05D1\u05D9\u05DD \u05E2\u05D1\u05D5\u05E8 \u05D4\u05E6\u05D5\u05D5\u05EA (\u05D1\u05E9\u05D1\u05D9\u05DC \u05D4\u05D8\u05D9\u05D9\u05E1 \u05D5\u05D8\u05D9\u05D9\u05E1 \u05D4\u05DE\u05E9\u05E0\u05D4), \u05D5\u05DE\u05E1\u05E4\u05E8 \u05E9\u05D5\u05E8\u05D5\u05EA \u05DE\u05D5\u05E9\u05D1\u05D9\u05DD \u05D1\u05DE\u05D7\u05DC\u05E7\u05EA \u05D4\u05E0\u05D5\u05E1\u05E2\u05D9\u05DD \u05D4\u05E8\u05D0\u05E9\u05D5\u05E0\u05D4 \u05D5\u05D1\u05DE\u05D7\u05DC\u05E7\u05EA \u05D4\u05E0\u05D5\u05E1\u05E2\u05D9\u05DD \u05D4\u05E9\u05E0\u05D9\u05D9\u05D4. \u05DB\u05DC \u05E9\u05D5\u05E8\u05D4 \u05D1\u05DE\u05D7\u05DC\u05E7\u05D4 \u05D4\u05E8\u05D0\u05E9\u05D5\u05E0\u05D4 \u05DE\u05DB\u05D9\u05DC\u05D4 \u05D0\u05E8\u05D1\u05E2\u05D4 \u05DE\u05D5\u05E9\u05D1\u05D9\u05DD. \u05DB\u05DC \u05E9\u05D5\u05E8\u05D4 \u05D1\u05DE\u05D7\u05DC\u05E7\u05D4 \u05D4\u05E9\u05E0\u05D9\u05D9\u05D4 \u05DE\u05DB\u05D9\u05DC\u05D4 \u05D7\u05DE\u05D9\u05E9\u05D4 \u05DE\u05D5\u05E9\u05D1\u05D9\u05DD.';
-      break;
-  }
-  output += '</p><p>\u05D1\u05E0\u05D4 \u05E0\u05D5\u05E1\u05D7\u05D4 (\u05DC\u05DE\u05D8\u05D4) \u05D0\u05E9\u05E8 \u05EA\u05D7\u05E9\u05D1 \u05D0\u05EA \u05E1\u05DA \u05DB\u05DC \u05D4\u05DE\u05D5\u05E9\u05D1\u05D9\u05DD \u05D1\u05DE\u05D8\u05D5\u05E1 \u05D1\u05D4\u05EA\u05D0\u05DD \u05DC\u05E9\u05D9\u05E0\u05D5\u05D9 \u05DE\u05E1\u05E4\u05E8 \u05D4\u05E9\u05D5\u05E8\u05D5\u05EA (\u05DC\u05DE\u05E2\u05DC\u05D4).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/hrx.js b/demos/plane/generated/hrx.js
deleted file mode 100644
index 981fa7197f2..00000000000
--- a/demos/plane/generated/hrx.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Reihe: %1</span><span id="Plane_getRows">Reihe (%1)</span><span id="Plane_rows1">Reihe von der 1. Klasse: %1</span><span id="Plane_getRows1">Reihe von der 1. Klasse (%1)</span><span id="Plane_rows2">Reihe von der 2. Klasse: %1</span><span id="Plane_getRows2">Reihe von der 2. Klasse (%1)</span><span id="Plane_seats">Sitz: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">Sitze =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Fluchzeichsitzrechner</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'En Fluchzeich hot en Oonzohl an Reihe mit Passagiersitze. Jede Reih enth\u00E4lt vier Sitze.';
-      break;
-    case 2:
-      output += 'En Fluchzeich hot zwooi Sitze im Pilotestand (f\u00FCr den Pilot und Co-Pilot) und en Oonzohl an Reihe mit Passagiersitze. Jede Reih enth\u00E4lt vier Sitze.';
-      break;
-    case 3:
-      output += 'En Fluchzeich hot zwooi Sitze im Pilotstand (f\u00FCr den Pilot und Co-Pilot) und en Oonzohl an Reihe mit Passagiersitze der 1. und 2. Klasse. Jede 1.-Klasse-Reih enth\u00E4lt vier Sitze. Jede 2.-Klasse-Reih enth\u00E4lt f\u00FCnf Sitze.';
-      break;
-  }
-  output += '</p><p>Erstell en Formel (unne), die die gesamte Oonzohl an Sitze im Fluchzeich berechnet, wenn die Reihe (uwe) ge\u00E4nnert sin.</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/hu.js b/demos/plane/generated/hu.js
deleted file mode 100644
index 9717cdee7cd..00000000000
--- a/demos/plane/generated/hu.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Sorok sz\u00E1ma: %1</span><span id="Plane_getRows">Sorok sz\u00E1ma (%1)</span><span id="Plane_rows1">1. oszt\u00E1ly: %1 sor</span><span id="Plane_getRows1">1. oszt\u00E1ly sorai (%1)</span><span id="Plane_rows2">2. oszt\u00E1ly: %1 sor</span><span id="Plane_getRows2">2. oszt\u00E1ly sorai (%1)</span><span id="Plane_seats">\u00DCl\u00E9sek sz\u00E1ma \u00F6sszesen: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">\u00DCl\u00E9sek sz\u00E1ma =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Rep\u00FCl\u0151g\u00E9p alkalmaz\u00E1s</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Egy rep\u00FCl\u0151g\u00E9pen az utasok t\u00F6bb sorban \u00FClnek az utast\u00E9rben.  Az utast\u00E9r minden sor\u00E1ban n\u00E9gy sz\u00E9k van.';
-      break;
-    case 2:
-      output += 'Egy rep\u00FCl\u0151g\u00E9pnek 2 \u00FCl\u00E9se van a pil\u00F3taf\u00FClk\u00E9ben (a pil\u00F3t\u00E1nak \u00E9s a m\u00E1sodpil\u00F3t\u00E1nak), az utasok t\u00F6bb sorban \u00FClnek az utast\u00E9rben.  Az utast\u00E9r minden sor\u00E1ban n\u00E9gy sz\u00E9k van.';
-      break;
-    case 3:
-      output += 'Egy rep\u00FCl\u0151g\u00E9pnek 2 \u00FCl\u00E9se van a pil\u00F3taf\u00FClk\u00E9ben (a pil\u00F3t\u00E1nak \u00E9s a m\u00E1sodpil\u00F3t\u00E1nak), az utasok 1. \u00E9s 2. oszt\u00E1lyon utazhatnak. Az 1. oszt\u00E1lyon n\u00E9gy sz\u00E9k van egy sorban. A 2. oszt\u00E1lyon \u00F6t sz\u00E9k van egy sorban.';
-      break;
-  }
-  output += '</p><p>K\u00E9sz\u00EDtsd el a k\u00E9pletet (lent) amivel kisz\u00E1molhat\u00F3, hogy h\u00E1ny \u00FCl\u00E9s van \u00F6sszesen a rep\u00FCl\u0151g\u00E9pen annak f\u00FCggv\u00E9ny\u00E9ben, ahogy (fent) \u00E1ll\u00EDtod a sorok sz\u00E1m\u00E1t.</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/ia.js b/demos/plane/generated/ia.js
deleted file mode 100644
index b80ad6e16c9..00000000000
--- a/demos/plane/generated/ia.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Filas: %1</span><span id="Plane_getRows">filas (%1)</span><span id="Plane_rows1">Filas de prime classe: %1</span><span id="Plane_getRows1">filas de prime classe (%1)</span><span id="Plane_rows2">Filas de secunde classe: %1</span><span id="Plane_getRows2">filas de secunde classe (%1)</span><span id="Plane_seats">Sedes: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">sedes =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Calculator de sedias de avion</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Un avion ha un numero de filas de sedes pro passageros. Cata fila contine quatro sedes.';
-      break;
-    case 2:
-      output += 'Un avion ha duo sedes in le cabina (pro le pilota e le copilota) e un numero de filas de sedes pro passageros. Cata fila contine quatro sedes.';
-      break;
-    case 3:
-      output += 'Un avion ha duo sedes in le cabina (pro le pilota e le copilota) e un numero de filas de sedes pro passageros del prime classe e del secunde classes. Cata fila del prime classe contine quatro sedes. Cata fila del secunde classe contine cinque sedes.';
-      break;
-  }
-  output += '</p><p>Construe un formula (ci infra) que calcula le numero total de sedes in le avion quando le numero de filas es cambiate (ci supra).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/is.js b/demos/plane/generated/is.js
deleted file mode 100644
index 695f299e859..00000000000
--- a/demos/plane/generated/is.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Ra\u00F0ir: %1</span><span id="Plane_getRows">ra\u00F0ir (%1)</span><span id="Plane_rows1">Ra\u00F0ir 1. farr\u00FDmi: %1</span><span id="Plane_getRows1">ra\u00F0ir 1. farr\u00FDmi (%1)</span><span id="Plane_rows2">Ra\u00F0ir 2. farr\u00FDmi: %1</span><span id="Plane_getRows2">ra\u00F0ir 2. farr\u00FDmi (%1)</span><span id="Plane_seats">S\u00E6ti: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">s\u00E6ti =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Flugs\u00E6tareiknir</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Flugv\u00E9l er me\u00F0 einhvern fj\u00F6lda s\u00E6tara\u00F0a fyrir far\u00FEega. \u00CD hverri r\u00F6\u00F0 eru fj\u00F6gur s\u00E6ti.';
-      break;
-    case 2:
-      output += 'Flugv\u00E9l er me\u00F0 tv\u00F6 s\u00E6ti \u00ED stj\u00F3rnklefa (fyrir flugmanninn og a\u00F0sto\u00F0arflugmanninn) og einhvern fj\u00F6lda s\u00E6tara\u00F0a fyrir far\u00FEega. Hver s\u00E6tar\u00F6\u00F0 hefur fj\u00F6gur s\u00E6ti.';
-      break;
-    case 3:
-      output += 'Flugv\u00E9l er me\u00F0 tv\u00F6 s\u00E6ti \u00ED stj\u00F3rnklefa (fyrir flugmanninn og a\u00F0sto\u00F0arflugmanninn) og einhvern fj\u00F6lda s\u00E6tara\u00F0a fyrir far\u00FEega \u00E1 1. og 2. farr\u00FDmi. Hver s\u00E6tar\u00F6\u00F0 \u00E1 1. farr\u00FDmi hefur fj\u00F6gur s\u00E6ti. Hver s\u00E6tar\u00F6\u00F0 \u00E1 2. farr\u00FDmi hefur fimm s\u00E6ti.';
-      break;
-  }
-  output += '</p><p>B\u00FA\u00F0u til form\u00FAlu (h\u00E9r fyrir ne\u00F0an) sem reiknar heildarfj\u00F6lda s\u00E6ta \u00ED flugv\u00E9linni eftir \u00FEv\u00ED sem r\u00F6\u00F0unum er breytt (h\u00E9r fyrir ofan).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/it.js b/demos/plane/generated/it.js
deleted file mode 100644
index 2464481117a..00000000000
--- a/demos/plane/generated/it.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">File: %1</span><span id="Plane_getRows">file (%1)</span><span id="Plane_rows1">File 1\u00AA classe: %1</span><span id="Plane_getRows1">file 1\u00AA classe (%1)</span><span id="Plane_rows2">File 2\u00AA classe: %1</span><span id="Plane_getRows2">File 2\u00AA classe (%1)</span><span id="Plane_seats">Sedili: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">sedili =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Calcolo posti aereo</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Un aeroplano ha un numero di file contenenti i posti a sedere dei passeggeri. Ogni fila, contiene quattro posti a sedere.';
-      break;
-    case 2:
-      output += 'Un aeroplano ha due posti a sedere nella cabina di pilotaggio (per il pilota e co-pilota), e un numero di file con i posti a sedere dei passeggeri. Ogni fila contiene quattro posti.';
-      break;
-    case 3:
-      output += 'Un aereo ha due posti nella cabina di pilotaggio (per il pilota e il co-pilota), e un numero di file in prima e seconda classe, con i posti a sedere dei passeggeri. Ogni fila della prima classe contiene quattro posti. Quelle invece della seconda classe, ne contengono cinque.';
-      break;
-  }
-  output += '</p><p>Costruisci una formula (sotto) che calcola il numero totale di posti a sedere su un aeroplano, cos\u00EC come cambiano le file di posti (sopra).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/ja.js b/demos/plane/generated/ja.js
deleted file mode 100644
index c5e96ee9155..00000000000
--- a/demos/plane/generated/ja.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">\u5217\u306E\u6570: %1</span><span id="Plane_getRows">\u5217\u306E\u6570 (%1)</span><span id="Plane_rows1">\u30D5\u30A1\u30FC\u30B9\u30C8\u30AF\u30E9\u30B9\u306E\u5217\u6570: %1</span><span id="Plane_getRows1">\u30D5\u30A1\u30FC\u30B9\u30C8\u30AF\u30E9\u30B9\u306E\u5217\u6570 (%1)</span><span id="Plane_rows2">\u30BB\u30AB\u30F3\u30C9\u30AF\u30E9\u30B9\u306E\u5217\u6570: %1</span><span id="Plane_getRows2">\u30BB\u30AB\u30F3\u30C9\u30AF\u30E9\u30B9\u306E\u5217\u6570 (%1)</span><span id="Plane_seats">\u5EA7\u5E2D\u306E\u6570: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">\u5EA7\u5E2D\u306E\u6570 =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">\u98DB\u884C\u6A5F\u5EA7\u5E2D\u8A08\u7B97\u6A5F</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += '\u98DB\u884C\u6A5F\u306B\u4E57\u5BA2\u306E\u5EA7\u5E2D\u306E\u5217\u304C\u3042\u308A\u307E\u3059\u3002\u305D\u308C\u305E\u308C\u306E\u5217\u306B 4 \u3064\u306E\u5EA7\u5E2D\u304C\u3042\u308A\u307E\u3059\u3002';
-      break;
-    case 2:
-      output += '\u98DB\u884C\u6A5F\u306B\u306F\u3001\u64CD\u7E26\u5BA4\u306E 2 \u3064\u306E\u5EA7\u5E2D (\u64CD\u7E26\u58EB\u3068\u526F\u64CD\u7E26\u58EB) \u3068\u3001\u4E57\u5BA2\u306E\u5EA7\u5E2D\u306E\u5217\u304C\u3042\u308A\u307E\u3059\u3002\u305D\u308C\u305E\u308C\u306E\u5217\u306B 4 \u3064\u306E\u5EA7\u5E2D\u304C\u3042\u308A\u307E\u3059\u3002';
-      break;
-    case 3:
-      output += '\u98DB\u884C\u6A5F\u306B\u306F\u3001\u64CD\u7E26\u5BA4\u306E 2 \u3064\u306E\u5EA7\u5E2D (\u64CD\u7E26\u58EB\u3068\u526F\u64CD\u7E26\u58EB) \u3068\u3001\u30D5\u30A1\u30FC\u30B9\u30C8\u30AF\u30E9\u30B9\u3068\u30BB\u30AB\u30F3\u30C9\u30AF\u30E9\u30B9\u306E\u4E57\u5BA2\u306E\u5EA7\u5E2D\u306E\u5217\u304C\u3042\u308A\u307E\u3059\u3002\u305D\u308C\u305E\u308C\u306E\u5217\u306B\u3001\u30D5\u30A1\u30FC\u30B9\u30C8\u30AF\u30E9\u30B9\u3067\u306F 4 \u3064\u306E\u5EA7\u5E2D\u3001\u30BB\u30AB\u30F3\u30C9\u30AF\u30E9\u30B9\u3067\u306F 5 \u3064\u306E\u5EA7\u5E2D\u304C\u3042\u308A\u307E\u3059\u3002';
-      break;
-  }
-  output += '</p><p>\u98DB\u884C\u6A5F\u306E\u5EA7\u5E2D\u306E\u6570\u3092\u8A08\u7B97\u3059\u308B\u5F0F\u3092\u3001\u4E0A\u3067\u5217\u306E\u6570\u3092\u5909\u66F4\u3057\u3066\u3082\u6B63\u3057\u304F\u306A\u308B\u3088\u3046\u306B\u3001\u4E0B\u306B\u5165\u529B\u3057\u3066\u304F\u3060\u3055\u3044\u3002</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/ko.js b/demos/plane/generated/ko.js
deleted file mode 100644
index 2e746ef5f83..00000000000
--- a/demos/plane/generated/ko.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">\uD589 \uC218: %1</span><span id="Plane_getRows">\uD589 \uC218 (%1)</span><span id="Plane_rows1">1\uB4F1\uC11D \uD589 \uC218: %1</span><span id="Plane_getRows1">1\uB4F1\uC11D \uD589 \uC218 (%1)</span><span id="Plane_rows2">2\uB4F1\uC11D \uD589 \uC218: %1</span><span id="Plane_getRows2">2\uB4F1\uC11D \uD589 \uC218 (%1)</span><span id="Plane_seats">\uC88C\uC11D \uC218: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">\uC88C\uC11D\uC218 =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">\uBE44\uD589\uAE30 \uC88C\uC11D \uACC4\uC0B0\uAE30</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += '\uBE44\uD589\uAE30\uB294 \uC2B9\uAC1D \uC88C\uC11D\uC758 \uD589 \uC218\uAC00 \uC788\uC2B5\uB2C8\uB2E4. \uAC01 \uD589\uC5D0\uB294 \uC2DC\uD2B8 \uB124 \uAC1C\uAC00 \uD3EC\uD568\uB418\uC5B4 \uC788\uC2B5\uB2C8\uB2E4.';
-      break;
-    case 2:
-      output += '\uBE44\uD589\uAE30\uB294 \uBE44\uD589 \uAC11\uD310(\uC870\uC885\uC0AC\uC640 \uBD80\uC870\uC885\uC0AC\uC6A9)\uC5D0\uC11C \uC88C\uC11D \uB450 \uAC1C\uAC00 \uC788\uACE0, \uC2B9\uAC1D \uC88C\uC11D\uC758 \uD589 \uC218\uAC00 \uC788\uC2B5\uB2C8\uB2E4. \uAC01 \uD589\uC5D0\uB294 \uC2DC\uD2B8 \uB124 \uAC1C\uAC00 \uD3EC\uD568\uB418\uC5B4 \uC788\uC2B5\uB2C8\uB2E4.';
-      break;
-    case 3:
-      output += '\uBE44\uD589\uAE30\uB294 \uBE44\uD589 \uAC11\uD310(\uC870\uC885\uC0AC\uC640 \uBD80\uC870\uC885\uC0AC\uC6A9)\uC5D0\uC11C \uC88C\uC11D \uB450 \uAC1C\uAC00 \uC788\uACE0, 1\uB4F1\uC11D\uACFC 2\uB4F1\uC11D \uC2B9\uAC1D \uC88C\uC11D\uC758 \uD589 \uC218\uAC00 \uC788\uC2B5\uB2C8\uB2E4. \uAC01 1\uB4F1\uC11D \uD589\uC5D0\uB294 \uC2DC\uD2B8 \uB124 \uAC1C\uAC00 \uD3EC\uD568\uB418\uC5B4 \uC788\uC2B5\uB2C8\uB2E4. \uAC01 2\uB4F1\uC11D \uD589\uC5D0\uB294 \uC2DC\uD2B8 \uB2E4\uC12F \uAC1C\uAC00 \uD3EC\uD568\uB418\uC5B4 \uC788\uC2B5\uB2C8\uB2E4.';
-      break;
-  }
-  output += '</p><p>\uD589\uC774 \uBC14\uB010(\uC704) \uBE44\uD589\uAE30\uC5D0 \uC88C\uC11D\uC758 \uCD1D \uC218\uB97C \uACC4\uC0B0\uD558\uB294 \uACF5\uC2DD(\uC544\uB798)\uC744 \uAD6C\uCD95\uD558\uC138\uC694.</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/ms.js b/demos/plane/generated/ms.js
deleted file mode 100644
index d2a292554ec..00000000000
--- a/demos/plane/generated/ms.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Baris: %1</span><span id="Plane_getRows">baris (%1)</span><span id="Plane_rows1">Baris kelas pertama: %1</span><span id="Plane_getRows1">baris kelas pertama (%1)</span><span id="Plane_rows2">Baris kelas kedua: %1</span><span id="Plane_getRows2">baris kelas kedua (%1)</span><span id="Plane_seats">Tempat duduk: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">tempat duduk =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Pengira Tempat Duduk Kapal Terbang</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Sebuah kapal terbang mempunyai sebilangan baris tempat duduk penumpang. Setiap baris mengandungi empat tempat duduk.';
-      break;
-    case 2:
-      output += 'Sebuah kapal terbang mempunyai tempat duduk di kokpit (untuk juruterbang dan pembantunya) dan sebilangan baris tempat duduk penumpang. Setiap baris mengandungi empat tempat duduk.';
-      break;
-    case 3:
-      output += 'Sebuah kapal terbang mempunyai tempat duduk di kokpit (untuk juruterbang dan pembantunya) dan sebilangan baris tempat duduk penumpang kelas pertama dan kelas kedua. Setiap baris kelas pertama mengandungi empat tempat duduk. Setiap baris kelas pertama mengandungi lima tempat duduk.';
-      break;
-  }
-  output += '</p><p>Wujudkan formula (di bawah) yang mengira jumlah tempat duduk di dalam kapal terbang sedangkan baris-barisnya diubah (di atas).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/nb.js b/demos/plane/generated/nb.js
deleted file mode 100644
index 1fc33875682..00000000000
--- a/demos/plane/generated/nb.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Rader: %1</span><span id="Plane_getRows">rader (%1)</span><span id="Plane_rows1">Rader i f\u00F8rste klasse: %1</span><span id="Plane_getRows1">Rader i f\u00F8rste klasse (%1)</span><span id="Plane_rows2">Rader i andre klasse: %1</span><span id="Plane_getRows2">Rader i andre klasse (%1)</span><span id="Plane_seats">Seter: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">seter =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Flysetekalkulator</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Et fly har et antall rader med passasjerseter. Hver rad inneholder fire seter.';
-      break;
-    case 2:
-      output += 'Et fly har to seter i cockpit (for piloten og andrepiloten), og et antall rader med passasjerseter. Hver rad inneholder fire seter.';
-      break;
-    case 3:
-      output += 'Et fly har to seter i cockpit (for piloten og andrepiloten), og et antall rader med passasjerseter p\u00E5 f\u00F8rste og andre klasse. Hver av radene p\u00E5 f\u00F8rste klasse har fire seter. Hver av radene p\u00E5 andre klasse har fem seter.';
-      break;
-  }
-  output += '</p><p>Bygg en formel (under) som beregner det totale antall seter p\u00E5 flyet etter hvert som radene endres (over).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/nl.js b/demos/plane/generated/nl.js
deleted file mode 100644
index 779022042de..00000000000
--- a/demos/plane/generated/nl.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Rijen: %1</span><span id="Plane_getRows">rijen (%1)</span><span id="Plane_rows1">Rijen 1e klas: %1</span><span id="Plane_getRows1">Rijen 1e klas (%1)</span><span id="Plane_rows2">Rijen 2e klas: %1</span><span id="Plane_getRows2">Rijen 2e klas (%1)</span><span id="Plane_seats">Zitplaatsen: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">stoelen=</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Vliegtuigstoelencalculator</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Een vliegtuig heeft een aantal rijen met stoelen. Iedere rij heeft vier stoelen.';
-      break;
-    case 2:
-      output += 'Een vliegtuig heeft twee stoelen in de cockpit (voor de piloot en de copiloot) en een aantal rijen met stoelen voor passagiers. Iedere rij bevat vier stoelen.';
-      break;
-    case 3:
-      output += 'Een vliegtuig heeft twee stoelen in de cockpit (voor de piloot en de copiloot) en een aantal rijen voor 1e klasse en 2e klasse passagiers. Iedere rij in de 1e klasse heeft vier stoelen. Iedere rij in de 2e klasse heeft vijf stoelen.';
-      break;
-  }
-  output += '</p><p>Maak hieronder een formule die het totale aantal stoelen in het vliegtuig berekent als het aantal rijen hierboven wordt aangepast.</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/pl.js b/demos/plane/generated/pl.js
deleted file mode 100644
index 0cf1830ea93..00000000000
--- a/demos/plane/generated/pl.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Rz\u0119d\u00F3w: %1</span><span id="Plane_getRows">rz\u0119d\u00F3w (%1)</span><span id="Plane_rows1">Rz\u0119d\u00F3w w pierwszej klasie: %1</span><span id="Plane_getRows1">Rz\u0119d\u00F3w w pierwszej klasie (%1)</span><span id="Plane_rows2">Rz\u0119d\u00F3w w drugiej klasie: %1</span><span id="Plane_getRows2">Rz\u0119d\u00F3w w drugiej klasie (%1)</span><span id="Plane_seats">Siedze\u0144: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">siedze\u0144 =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Kalkulator miejsc w samolocie.</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Samolot ma kilka rz\u0119d\u00F3w siedze\u0144 pasa\u017Cer\u00F3w. Ka\u017Cdy rz\u0105d zawiera cztery miejsca.';
-      break;
-    case 2:
-      output += 'Samolot ma dwa miejsca w kabinie pilot\u00F3w (dla pierwszego i drugiego pilota) oraz rz\u0119dy siedze\u0144 dla pasa\u017Cer\u00F3w. Ka\u017Cdy taki rz\u0105d sk\u0142ada si\u0119 z czterech siedze\u0144.';
-      break;
-    case 3:
-      output += 'Samolot ma dwa miejsca w kabinie pilot\u00F3w (dla pierwszego i drugiego pilota) oraz rz\u0119dy siedze\u0144 dla pasa\u017Cer\u00F3w pierwszej i drugiej klasy. Ka\u017Cdy rz\u0105d pierwszej klasy sk\u0142ada si\u0119 z czterech siedze\u0144. Ka\u017Cdy rz\u0105d drugiej klasy sk\u0142ada si\u0119 z pi\u0119ciu siedze\u0144.';
-      break;
-  }
-  output += '</p><p>Zbuduj wz\u00F3r (poni\u017Cej), kt\u00F3ry pozwala obliczy\u0107 \u0142\u0105czn\u0105 liczb\u0119 siedze\u0144 w samolocie w funkcji zmieniaj\u0105cej si\u0119 liczby rz\u0119d\u00F3w (powy\u017Cej).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/pms.js b/demos/plane/generated/pms.js
deleted file mode 100644
index eb35bacca07..00000000000
--- a/demos/plane/generated/pms.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Linie: %1</span><span id="Plane_getRows">linie (%1)</span><span id="Plane_rows1">linie \u00EBd prima classa: %1</span><span id="Plane_getRows1">linie \u00EBd prima classa (%1)</span><span id="Plane_rows2">linie \u00EBd seconda classa: %1</span><span id="Plane_getRows2">linie \u00EBd seconda classa (%1)</span><span id="Plane_seats">Sedij: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">sedij =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Calcolator \u00EBd sedij d\'avion</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'N\'avion a l\'ha un n\u00F9mer \u00EBd file \u00EBd sedij da pass\u00EBg\u00E9. Minca fila a l\'ha quatr sedij.';
-      break;
-    case 2:
-      output += 'N\'avion a l\'ha doi sedij ant la cabin-a \u00EBd pilotage (p\u00EBr \u00EBl pil\u00F2ta e \u00EBl c\u00F2-pil\u00F2ta), e un ch\u00E8ich n\u00F9mer \u00EBd file \u00EBd sedij pr\'ij passag\u00E9. Minca fila a conten quatr sedij.';
-      break;
-    case 3:
-      output += 'N\'avion a l\'ha doi sedij ant la cabin-a \u00EBd pilotage (p\u00EBr \u00EBl pil\u00F2ta e \u00EBl c\u00F2-pil\u00F2ta) e un ch\u00E8ich n\u00F9mer \u00EBd file \u00EBd sedij pr\'ij passag\u00E9 \u00EBd prima e sconda classa. Minca fila \u00EBd prima classa a conten quatr sedij. Minca fila \u00EBd seconda classa a conten sinch sedij.';
-      break;
-  }
-  output += '</p><p>Fabrich\u00E9 na f\u00F3rmola (s\u00EC-sota) ch\'a fa \'l cont d\u00EBl n\u00F9mer total \u00EBd sedij ant l\'avion cand che \u00EBl n\u00F9mer dle file a cangia (s\u00EC-dzora).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/pt-br.js b/demos/plane/generated/pt-br.js
deleted file mode 100644
index 821bdbe4f94..00000000000
--- a/demos/plane/generated/pt-br.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Filas: %1</span><span id="Plane_getRows">filas (%1)</span><span id="Plane_rows1">filas na primeira classe: %1</span><span id="Plane_getRows1">filas na primeira classe (%1)</span><span id="Plane_rows2">filas na segunda classe: %1</span><span id="Plane_getRows2">filas na segunda classe (%1)</span><span id="Plane_seats">Assentos: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">assentos =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Calculadora de Assentos em Avi\u00E3o</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Um avi\u00E3o tem um n\u00FAmero de filas de assentos para os passageiros. Cada fila cont\u00E9m quatro assentos.';
-      break;
-    case 2:
-      output += 'Um avi\u00E3o tem dois assentos na cabine de comando (para o piloto e o copiloto) e um n\u00FAmero de filas de assentos para os passageiros. Cada fila cont\u00E9m quatro assentos.';
-      break;
-    case 3:
-      output += 'Um avi\u00E3o tem dois assentos na cabine de comando (para o piloto e o copiloto) e um n\u00FAmero de filas de assentos na primeira e na segunda classe. Cada fila da primeira classe cont\u00E9m quatro assentos. Cada fila da segunda classe cont\u00E9m cinco assentos.';
-      break;
-  }
-  output += '</p><p>Elabore uma f\u00F3rmula (abaixo) que calcule o n\u00FAmero total de assentos no avi\u00E3o a medida que as filas s\u00E3o alteradas (acima).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/ro.js b/demos/plane/generated/ro.js
deleted file mode 100644
index 6454c94bc10..00000000000
--- a/demos/plane/generated/ro.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">R\u00E2nduri: %1</span><span id="Plane_getRows">r\u00E2nduri (%1)</span><span id="Plane_rows1">r\u00E2nduri de clasa I: %1</span><span id="Plane_getRows1">r\u00E2nduri de clasa I (%1)</span><span id="Plane_rows2">r\u00E2nduri de clasa a II-a: %1</span><span id="Plane_getRows2">r\u00E2nduri de clasa a II-a (%1)</span><span id="Plane_seats">Scaune: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">scaune =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Calculator pentru locurile dintr-un avion</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Un avion are un num\u0103r de r\u00E2nduri cu scaune pentru pasageri. Fiecare r\u00E2nd con\u021Bine patru scaune.';
-      break;
-    case 2:
-      output += 'Un avion are dou\u0103 scaune \u00EEn carling\u0103 (pentru pilot \u0219i copilot) \u0219i un num\u0103r de r\u00E2nduri cu scaune pentru pasageri. Fiecare r\u00E2nd con\u021Bine patru scaune.';
-      break;
-    case 3:
-      output += 'Un avion are dou\u0103 scaune \u00EEn carling\u0103 (pentru pilot \u0219i copilot) \u0219i un num\u0103r de r\u00E2nduri cu scaune de clasa I \u0219i clasa a II-a pentru pasageri. Fiecare r\u00E2nd de clasa I con\u021Bine patru scaune. Fiecare r\u00E2nd de clasa a II-a con\u021Bine cinci scaune.';
-      break;
-  }
-  output += '</p><p>Construie\u0219te o formul\u0103 (mai jos) care calculeaz\u0103 num\u0103rul total de locuri dintr-un avion \u00EEn timp ce r\u00E2ndurile se schimb\u0103 (mai sus).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/ru.js b/demos/plane/generated/ru.js
deleted file mode 100644
index 9e6ee4a20ed..00000000000
--- a/demos/plane/generated/ru.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">\u0420\u044F\u0434\u043E\u0432: %1</span><span id="Plane_getRows">\u0440\u044F\u0434\u044B (%1)</span><span id="Plane_rows1">\u0420\u044F\u0434\u043E\u0432 1-\u0433\u043E \u043A\u043B\u0430\u0441\u0441\u0430: %1</span><span id="Plane_getRows1">\u0440\u044F\u0434\u044B 1-\u0433\u043E \u043A\u043B\u0430\u0441\u0441\u0430 (%1)</span><span id="Plane_rows2">\u0420\u044F\u0434\u043E\u0432 2-\u0433\u043E \u043A\u043B\u0430\u0441\u0441\u0430: %1</span><span id="Plane_getRows2">\u0440\u044F\u0434\u044B 2-\u0433\u043E \u043A\u043B\u0430\u0441\u0441\u0430 (%1)</span><span id="Plane_seats">\u041C\u0435\u0441\u0442: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">\u043C\u0435\u0441\u0442\u0430 =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">\u041A\u0430\u043B\u044C\u043A\u0443\u043B\u044F\u0442\u043E\u0440 \u043F\u043E\u0441\u0430\u0434\u043E\u0447\u043D\u044B\u0445 \u043C\u0435\u0441\u0442 \u0432 \u0441\u0430\u043C\u043E\u043B\u0451\u0442\u0435</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += '\u0412 \u0441\u0430\u043C\u043E\u043B\u0451\u0442\u0435 \u043D\u0435\u0441\u043A\u043E\u043B\u044C\u043A\u043E \u0440\u044F\u0434\u043E\u0432 \u0441 \u043F\u0430\u0441\u0441\u0430\u0436\u0438\u0440\u0441\u043A\u0438\u043C\u0438 \u043C\u0435\u0441\u0442\u0430\u043C\u0438. \u0412 \u043A\u0430\u0436\u0434\u043E\u043C \u0440\u044F\u0434\u0443 4 \u043C\u0435\u0441\u0442\u0430.';
-      break;
-    case 2:
-      output += '\u0412 \u0441\u0430\u043C\u043E\u043B\u0451\u0442\u0435 2 \u043C\u0435\u0441\u0442\u0430 \u0434\u043B\u044F \u043F\u0438\u043B\u043E\u0442\u0430 \u0438 \u0435\u0433\u043E \u043F\u043E\u043C\u043E\u0449\u043D\u0438\u043A\u0430, \u0430 \u0442\u0430\u043A\u0436\u0435 \u043D\u0435\u0441\u043A\u043E\u043B\u044C\u043A\u043E \u0440\u044F\u0434\u043E\u0432 \u0441 \u043F\u0430\u0441\u0441\u0430\u0436\u0438\u0440\u0441\u043A\u0438\u043C\u0438 \u043C\u0435\u0441\u0442\u0430\u043C\u0438. \u0412 \u043A\u0430\u0436\u0434\u043E\u043C \u0440\u044F\u0434\u0443 4 \u043C\u0435\u0441\u0442\u0430.';
-      break;
-    case 3:
-      output += '\u0412 \u0441\u0430\u043C\u043E\u043B\u0451\u0442\u0435 2 \u043C\u0435\u0441\u0442\u0430 \u0434\u043B\u044F \u043F\u0438\u043B\u043E\u0442\u0430 \u0438 \u0435\u0433\u043E \u043F\u043E\u043C\u043E\u0449\u043D\u0438\u043A\u0430, \u043D\u0435\u0441\u043A\u043E\u043B\u044C\u043A\u043E \u0440\u044F\u0434\u043E\u0432 \u0441 \u043F\u0430\u0441\u0441\u0430\u0436\u0438\u0440\u0441\u043A\u0438\u043C\u0438 \u043C\u0435\u0441\u0442\u0430\u043C\u0438 \u043F\u0435\u0440\u0432\u043E\u0433\u043E \u043A\u043B\u0430\u0441\u0441\u0430, \u0430 \u0442\u0430\u043A\u0436\u0435 \u043D\u0435\u0441\u043A\u043E\u043B\u044C\u043A\u043E \u0440\u044F\u0434\u043E\u0432 \u0441 \u043F\u0430\u0441\u0441\u0430\u0436\u0438\u0440\u0441\u043A\u0438\u043C\u0438 \u043C\u0435\u0441\u0442\u0430\u043C\u0438 \u0432\u0442\u043E\u0440\u043E\u0433\u043E \u043A\u043B\u0430\u0441\u0441\u0430. \u0412 \u043A\u0430\u0436\u0434\u043E\u043C \u0440\u044F\u0434\u0443 \u043F\u0435\u0440\u0432\u043E\u0433\u043E \u043A\u043B\u0430\u0441\u0441\u0430 4 \u043C\u0435\u0441\u0442\u0430. \u0412 \u043A\u0430\u0436\u0434\u043E\u043C \u0440\u044F\u0434\u0443 \u0432\u0442\u043E\u0440\u043E\u0433\u043E \u043A\u043B\u0430\u0441\u0441\u0430 5 \u043C\u0435\u0441\u0442.';
-      break;
-  }
-  output += '</p><p>\u041F\u043E\u0441\u0442\u0440\u043E\u0439\u0442\u0435 \u0444\u043E\u0440\u043C\u0443\u043B\u0443 \u0432 \u043E\u0431\u043B\u0430\u0441\u0442\u0438 \u043D\u0438\u0436\u0435, \u043A\u043E\u0442\u043E\u0440\u0430\u044F \u043F\u043E\u043C\u043E\u0436\u0435\u0442 \u0440\u0430\u0441\u0441\u0447\u0438\u0442\u0430\u0442\u044C \u043E\u0431\u0449\u0435\u0435 \u043A\u043E\u043B\u0438\u0447\u0435\u0441\u0442\u0432\u043E \u043C\u0435\u0441\u0442 \u0432 \u0441\u0430\u043C\u043E\u043B\u0451\u0442\u0435 (\u043A\u0430\u043A \u043D\u0430 \u0440\u0438\u0441\u0443\u043D\u043A\u0435 \u0432\u044B\u0448\u0435).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/sc.js b/demos/plane/generated/sc.js
deleted file mode 100644
index b8511cc0ea7..00000000000
--- a/demos/plane/generated/sc.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Fileras: %1</span><span id="Plane_getRows">fileras (%1)</span><span id="Plane_rows1">fileras de primu classi: %1</span><span id="Plane_getRows1">fileras de primu classi (%1)</span><span id="Plane_rows2">fileras de segunda classi: %1</span><span id="Plane_getRows2">fileras de segunda classi (%1)</span><span id="Plane_seats">Cadironis: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">cadironis =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Fai su contu de is cadironis de unu apar\u00E8chiu</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Unu apar\u00E8chiu tenit unas cantu fileras de cadironis po passigeris. D\u00F2nnia filera tenit cuatru cadironis.';
-      break;
-    case 2:
-      output += 'Unu apar\u00E8chiu tenit duus cadironis in sa cabina de cumandu (po su pilota e su co-pilota), e unas cantu fileras de cadironis po passigeris. D\u00F2nnia filera tenit cuatru cadironis.';
-      break;
-    case 3:
-      output += 'Unu apar\u00E8chiu tenit duus cadironis in sa cabina de cumandu (po su pilota e su co-pilota), e unas cantu fileras de cadironis po passigeris de prima classi e de segunda classi. D\u00F2nnia filera de prima classi tenit cuatru cadironis. D\u00F2nnia filera de segunda classi tenit cincu cadironis.';
-      break;
-  }
-  output += '</p><p>Cuncorda una formula (innoi asuta) chi cumpudit su numeru totali de postus a setzi in s\'aparechiu, a segunda de comenti mudant is fileras de postus (innoi in susu)</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/sv.js b/demos/plane/generated/sv.js
deleted file mode 100644
index 70b7c063b7b..00000000000
--- a/demos/plane/generated/sv.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">Rader: %1</span><span id="Plane_getRows">rader (%1)</span><span id="Plane_rows1">Rader i f\u00F6rsta klass: %1</span><span id="Plane_getRows1">Rader i f\u00F6rsta klass (%1)</span><span id="Plane_rows2">Rader i andra klass: %1</span><span id="Plane_getRows2">Rader i andra klass (%1)</span><span id="Plane_seats">S\u00E4ten: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">s\u00E4ten =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">Plans\u00E4teskalkylator</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Ett flygplan har ett antal rader med passagerars\u00E4ten. Varje rad inneh\u00E5ller fyra s\u00E4ten.';
-      break;
-    case 2:
-      output += 'Ett flygplan har tv\u00E5 s\u00E4ten i cockpiten (ett f\u00F6r piloten och ett f\u00F6r andrepiloten) och ett antal rader med passagerars\u00E4ten. Varje rad inneh\u00E5ller fyra s\u00E4ten.';
-      break;
-    case 3:
-      output += 'Ett flygplan har tv\u00E5 s\u00E4ten i cockpiten (ett f\u00F6r piloten och ett f\u00F6r andrepiloten) och ett antal rader med passagerars\u00E4ten i f\u00F6rsta och andra klass. Varje rad i f\u00F6rsta klass inneh\u00E5ller fyra s\u00E4ten. Varje rad i andra klass inneh\u00E5ller fem s\u00E4ten.';
-      break;
-  }
-  output += '</p><p>Bygg en formel (nedan) som ber\u00E4knar det totala antalet s\u00E4ten p\u00E5 flygplanet n\u00E4r raderna \u00E4ndras (ovan).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/th.js b/demos/plane/generated/th.js
deleted file mode 100644
index bf66783729b..00000000000
--- a/demos/plane/generated/th.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">%1 \u0E41\u0E16\u0E27</span><span id="Plane_getRows">\u0E08\u0E33\u0E19\u0E27\u0E19\u0E41\u0E16\u0E27 (%1)</span><span id="Plane_rows1">\u0E0A\u0E31\u0E49\u0E19\u0E40\u0E1F\u0E34\u0E23\u0E4C\u0E2A\u0E04\u0E25\u0E32\u0E2A %1 \u0E41\u0E16\u0E27</span><span id="Plane_getRows1">\u0E08\u0E33\u0E19\u0E27\u0E19\u0E41\u0E16\u0E27\u0E0A\u0E31\u0E49\u0E19\u0E40\u0E1F\u0E34\u0E23\u0E4C\u0E2A\u0E04\u0E25\u0E32\u0E2A (%1)</span><span id="Plane_rows2">\u0E0A\u0E31\u0E49\u0E19\u0E18\u0E38\u0E23\u0E01\u0E34\u0E08 %1 \u0E41\u0E16\u0E27</span><span id="Plane_getRows2">\u0E08\u0E33\u0E19\u0E27\u0E19\u0E41\u0E16\u0E27\u0E0A\u0E31\u0E49\u0E19\u0E18\u0E38\u0E23\u0E01\u0E34\u0E08 (%1)</span><span id="Plane_seats">\u0E04\u0E33\u0E19\u0E27\u0E13\u0E44\u0E14\u0E49\u0E17\u0E31\u0E49\u0E07\u0E2B\u0E21\u0E14 %1 \u0E17\u0E35\u0E48\u0E19\u0E31\u0E48\u0E07</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">\u0E08\u0E33\u0E19\u0E27\u0E19\u0E17\u0E35\u0E48\u0E19\u0E31\u0E48\u0E07 =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">\u0E23\u0E30\u0E1A\u0E1A\u0E04\u0E33\u0E19\u0E27\u0E13\u0E17\u0E35\u0E48\u0E19\u0E31\u0E48\u0E07\u0E1A\u0E19\u0E40\u0E04\u0E23\u0E37\u0E48\u0E2D\u0E07\u0E1A\u0E34\u0E19</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += '\u0E20\u0E32\u0E22\u0E43\u0E19\u0E40\u0E04\u0E23\u0E37\u0E48\u0E2D\u0E07\u0E1A\u0E34\u0E19\u0E1B\u0E23\u0E30\u0E01\u0E2D\u0E1A\u0E44\u0E1B\u0E14\u0E49\u0E27\u0E22\u0E41\u0E16\u0E27\u0E02\u0E2D\u0E07\u0E17\u0E35\u0E48\u0E19\u0E31\u0E48\u0E07\u0E1C\u0E39\u0E49\u0E42\u0E14\u0E22\u0E2A\u0E32\u0E23 \u0E43\u0E19\u0E41\u0E15\u0E48\u0E25\u0E30\u0E41\u0E16\u0E27\u0E08\u0E30\u0E21\u0E35 4 \u0E17\u0E35\u0E48\u0E19\u0E31\u0E48\u0E07';
-      break;
-    case 2:
-      output += '\u0E20\u0E32\u0E22\u0E43\u0E19\u0E40\u0E04\u0E23\u0E37\u0E48\u0E2D\u0E07\u0E1A\u0E34\u0E19\u0E08\u0E30\u0E21\u0E35\u0E17\u0E35\u0E48\u0E19\u0E31\u0E48\u0E07\u0E19\u0E31\u0E01\u0E1A\u0E34\u0E19\u0E2D\u0E22\u0E39\u0E48 2 \u0E17\u0E35\u0E48 (\u0E2A\u0E33\u0E2B\u0E23\u0E31\u0E1A\u0E19\u0E31\u0E01\u0E1A\u0E34\u0E19 \u0E41\u0E25\u0E30\u0E1C\u0E39\u0E49\u0E0A\u0E48\u0E27\u0E22\u0E19\u0E31\u0E01\u0E1A\u0E34\u0E19) \u0E41\u0E25\u0E30\u0E21\u0E35\u0E41\u0E16\u0E27\u0E17\u0E35\u0E48\u0E19\u0E31\u0E48\u0E07\u0E1C\u0E39\u0E49\u0E42\u0E14\u0E22\u0E2A\u0E32\u0E23\u0E2D\u0E22\u0E39\u0E48\u0E08\u0E33\u0E19\u0E27\u0E19\u0E2B\u0E19\u0E36\u0E48\u0E07 \u0E43\u0E19\u0E41\u0E15\u0E48\u0E25\u0E30\u0E41\u0E16\u0E27\u0E08\u0E30\u0E21\u0E35 4 \u0E17\u0E35\u0E48\u0E19\u0E31\u0E48\u0E07';
-      break;
-    case 3:
-      output += '\u0E20\u0E32\u0E22\u0E43\u0E19\u0E40\u0E04\u0E23\u0E37\u0E48\u0E2D\u0E07\u0E1A\u0E34\u0E19\u0E08\u0E30\u0E21\u0E35\u0E17\u0E35\u0E48\u0E19\u0E31\u0E48\u0E07\u0E19\u0E31\u0E01\u0E1A\u0E34\u0E19\u0E2D\u0E22\u0E39\u0E48 2 \u0E17\u0E35\u0E48 (\u0E2A\u0E33\u0E2B\u0E23\u0E31\u0E1A\u0E19\u0E31\u0E01\u0E1A\u0E34\u0E19 \u0E41\u0E25\u0E30\u0E1C\u0E39\u0E49\u0E0A\u0E48\u0E27\u0E22\u0E19\u0E31\u0E01\u0E1A\u0E34\u0E19) \u0E41\u0E25\u0E30\u0E08\u0E30\u0E21\u0E35\u0E41\u0E16\u0E27\u0E17\u0E35\u0E48\u0E19\u0E31\u0E48\u0E07\u0E2A\u0E33\u0E2B\u0E23\u0E31\u0E1A\u0E1C\u0E39\u0E49\u0E42\u0E14\u0E22\u0E2A\u0E32\u0E23 "\u0E0A\u0E31\u0E49\u0E19\u0E40\u0E1F\u0E34\u0E23\u0E4C\u0E2A\u0E04\u0E25\u0E32\u0E2A" \u0E41\u0E25\u0E30 "\u0E0A\u0E31\u0E49\u0E19\u0E18\u0E38\u0E23\u0E01\u0E34\u0E08" \u0E2D\u0E22\u0E39\u0E48\u0E08\u0E33\u0E19\u0E27\u0E19\u0E2B\u0E19\u0E36\u0E48\u0E07 \u0E42\u0E14\u0E22\u0E43\u0E19\u0E0A\u0E31\u0E49\u0E19\u0E40\u0E1F\u0E34\u0E23\u0E4C\u0E2A\u0E04\u0E25\u0E32\u0E2A\u0E08\u0E30\u0E21\u0E35\u0E41\u0E16\u0E27\u0E25\u0E30 4 \u0E17\u0E35\u0E48\u0E19\u0E31\u0E48\u0E07 \u0E2A\u0E48\u0E27\u0E19\u0E43\u0E19\u0E0A\u0E31\u0E49\u0E19\u0E18\u0E38\u0E23\u0E01\u0E34\u0E08\u0E08\u0E30\u0E21\u0E35\u0E41\u0E16\u0E27\u0E25\u0E30 5 \u0E17\u0E35\u0E48\u0E19\u0E31\u0E48\u0E07';
-      break;
-  }
-  output += '</p><p>\u0E2A\u0E23\u0E49\u0E32\u0E07\u0E2A\u0E39\u0E15\u0E23\u0E04\u0E33\u0E19\u0E27\u0E13 (\u0E14\u0E49\u0E32\u0E19\u0E25\u0E48\u0E32\u0E07) \u0E40\u0E1E\u0E37\u0E48\u0E2D\u0E04\u0E33\u0E19\u0E27\u0E13\u0E2B\u0E32\u0E08\u0E33\u0E19\u0E27\u0E19\u0E17\u0E35\u0E48\u0E19\u0E31\u0E48\u0E07\u0E17\u0E31\u0E49\u0E07\u0E2B\u0E21\u0E14\u0E1A\u0E19\u0E40\u0E04\u0E23\u0E37\u0E48\u0E2D\u0E07\u0E1A\u0E34\u0E19 \u0E15\u0E32\u0E21\u0E08\u0E33\u0E19\u0E27\u0E19\u0E41\u0E16\u0E27\u0E17\u0E35\u0E48\u0E40\u0E1B\u0E25\u0E35\u0E48\u0E22\u0E19\u0E44\u0E1B (\u0E14\u0E49\u0E32\u0E19\u0E1A\u0E19)</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/tr.js b/demos/plane/generated/tr.js
deleted file mode 100644
index 56d41cab310..00000000000
--- a/demos/plane/generated/tr.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">S\u0131ralar: %1</span><span id="Plane_getRows">s\u0131ralar (%1)</span><span id="Plane_rows1">Birinci s\u0131n\u0131f s\u0131ralar: (%1)</span><span id="Plane_getRows1">Birinci s\u0131n\u0131f s\u0131ralar (%1)</span><span id="Plane_rows2">\u0130kinci s\u0131n\u0131f s\u0131ralar: %1</span><span id="Plane_getRows2">\u0130kinci s\u0131n\u0131f s\u0131ralar (%1)</span><span id="Plane_seats">Koltuklar: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">koltuklar =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">U\u00E7ak Koltu\u011Fu Hesaplay\u0131c\u0131</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'Bir u\u00E7a\u011F\u0131n belirli say\u0131da koltuk s\u0131ras\u0131 vard\u0131r. Her s\u0131ra d\u00F6rt koltuk i\u00E7erir.';
-      break;
-    case 2:
-      output += 'Bir u\u00E7a\u011F\u0131n u\u00E7u\u015F g\u00FCvertesinde iki koltu\u011Fu (pilot ve yard\u0131mc\u0131 pilot i\u00E7in), ve belirli say\u0131da koltuk s\u0131ras\u0131 vard\u0131r. Her s\u0131ra d\u00F6rt koltuk i\u00E7erir.';
-      break;
-    case 3:
-      output += 'Bir u\u00E7a\u011F\u0131n u\u00E7u\u015F g\u00FCvertesinde iki koltu\u011Fu (pilot ve yard\u0131mc\u0131 pilot i\u00E7in), ve belirli say\u0131da birinci s\u0131n\u0131f ve ikinci s\u0131n\u0131f yolcu koltu\u011Fu s\u0131ras\u0131 vard\u0131r. Her birinci s\u0131n\u0131f s\u0131ra d\u00F6rt koltuk i\u00E7erir. Her ikinci s\u0131n\u0131f s\u0131ra be\u015F koltuk i\u00E7erir.';
-      break;
-  }
-  output += '</p><p>S\u0131ralar(\u00FCstte) de\u011Fi\u015Ftik\u00E7e u\u00E7aktaki toplam koltuk say\u0131s\u0131n\u0131 hesaplayan bir form\u00FCl(altta) olu\u015Fturun.</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/uk.js b/demos/plane/generated/uk.js
deleted file mode 100644
index a73409dc89d..00000000000
--- a/demos/plane/generated/uk.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">\u0420\u044F\u0434\u043A\u0438: %1</span><span id="Plane_getRows">\u0440\u044F\u0434\u043A\u0438 (%1)</span><span id="Plane_rows1">\u0440\u044F\u0434\u0456\u0432 1-\u0433\u043E \u043A\u043B\u0430\u0441\u0443: %1</span><span id="Plane_getRows1">\u0440\u044F\u0434\u0456\u0432 1-\u0433\u043E \u043A\u043B\u0430\u0441\u0443 (%1)</span><span id="Plane_rows2">\u0440\u044F\u0434\u0456\u0432 2-\u0433\u043E \u043A\u043B\u0430\u0441\u0443: %1</span><span id="Plane_getRows2">\u0440\u044F\u0434\u0456\u0432 2-\u0433\u043E \u043A\u043B\u0430\u0441\u0443 (%1)</span><span id="Plane_seats">\u041C\u0456\u0441\u0446\u044C: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">\u043C\u0456\u0441\u0446\u044C=</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">\u041A\u0430\u043B\u044C\u043A\u0443\u043B\u044F\u0442\u043E\u0440 \u043C\u0456\u0441\u0446\u044C \u0443 \u043B\u0456\u0442\u0430\u043A\u0443</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += '\u041B\u0456\u0442\u0430\u043A \u043C\u0430\u0454 \u043A\u0456\u043B\u044C\u043A\u0430 \u0440\u044F\u0434\u0456\u0432 \u043F\u0430\u0441\u0430\u0436\u0438\u0440\u0441\u044C\u043A\u0438\u0445 \u0441\u0438\u0434\u0456\u043D\u044C. \u041A\u043E\u0436\u0435\u043D \u0440\u044F\u0434 \u043C\u0456\u0441\u0442\u0438\u0442\u044C \u0447\u043E\u0442\u0438\u0440\u0438 \u043C\u0456\u0441\u0446\u044F.';
-      break;
-    case 2:
-      output += '\u041B\u0456\u0442\u0430\u043A \u043C\u0430\u0454 \u0434\u0432\u0430 \u043C\u0456\u0441\u0446\u044F \u0432 \u043A\u0430\u0431\u0456\u043D\u0456 \u0435\u043A\u0456\u043F\u0430\u0436\u0443 (\u043F\u0456\u043B\u043E\u0442 \u0456 \u0434\u0440\u0443\u0433\u0438\u0439 \u043F\u0456\u043B\u043E\u0442), \u0456 \u043A\u0456\u043B\u044C\u043A\u0430 \u0440\u044F\u0434\u0456\u0432 \u043F\u0430\u0441\u0430\u0436\u0438\u0440\u0441\u044C\u043A\u0438\u0445 \u0441\u0438\u0434\u0456\u043D\u044C. \u041A\u043E\u0436\u0435\u043D \u0440\u044F\u0434\u043E\u043A \u043C\u0456\u0441\u0442\u0438\u0442\u044C \u0447\u043E\u0442\u0438\u0440\u0438 \u043C\u0456\u0441\u0446\u044F.';
-      break;
-    case 3:
-      output += '\u041B\u0456\u0442\u0430\u043A \u043C\u0430\u0454 \u0434\u0432\u0430 \u043C\u0456\u0441\u0446\u044F \u0432 \u043A\u0430\u0431\u0456\u043D\u0456 \u0435\u043A\u0456\u043F\u0430\u0436\u0443 (\u043F\u0456\u043B\u043E\u0442 \u0456 \u0434\u0440\u0443\u0433\u0438\u0439 \u043F\u0456\u043B\u043E\u0442), \u0456 \u043A\u0456\u043B\u044C\u043A\u0430 \u0440\u044F\u0434\u0456\u0432 1-\u0433\u043E \u043A\u043B\u0430\u0441\u0443 2-\u0433\u043E \u043A\u043B\u0430\u0441\u0443 \u043F\u0430\u0441\u0430\u0436\u0438\u0440\u0441\u044C\u043A\u0438\u0445 \u043C\u0456\u0441\u0446\u044C. \u041A\u043E\u0436\u043D\u0438\u0439 \u0440\u044F\u0434 1-\u0433\u043E \u043A\u043B\u0430\u0441\u0443 \u043C\u0456\u0441\u0442\u0438\u0442\u044C \u0447\u043E\u0442\u0438\u0440\u0438 \u043C\u0456\u0441\u0446\u044F. \u041A\u043E\u0436\u0435\u043D \u0440\u044F\u0434 2-\u0433\u043E \u043A\u043B\u0430\u0441\u0443 \u043C\u0456\u0441\u0442\u0438\u0442\u044C \u043F\'\u044F\u0442\u044C \u043C\u0456\u0441\u0446\u044C.';
-      break;
-  }
-  output += '</p><p>\u041F\u043E\u0431\u0443\u0434\u0443\u0432\u0430\u0442\u0438 \u0444\u043E\u0440\u043C\u0443\u043B\u0443 (\u043D\u0438\u0436\u0447\u0435), \u044F\u043A\u0430 \u043E\u0431\u0447\u0438\u0441\u043B\u044E\u0454 \u043A\u0456\u043B\u044C\u043A\u0456\u0441\u0442\u044C \u043C\u0456\u0441\u0446\u044C \u043D\u0430 \u043B\u0456\u0442\u0430\u043A\u0443 \u043F\u0440\u0438 \u0437\u043C\u0456\u043D\u0456 \u0440\u044F\u0434\u043A\u0456\u0432 (\u0434\u0438\u0432. \u0432\u0438\u0449\u0435).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/vi.js b/demos/plane/generated/vi.js
deleted file mode 100644
index 54723b7f336..00000000000
--- a/demos/plane/generated/vi.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">S\u1ED1 h\u00E0ng gh\u1EBF: %1</span><span id="Plane_getRows">\u0111\u1EBFm s\u1ED1 h\u00E0ng gh\u1EBF (%1)</span><span id="Plane_rows1">H\u00E0ng h\u1EA1ng nh\u1EA5t: %1</span><span id="Plane_getRows1">s\u1ED1 h\u00E0ng h\u1EA1ng nh\u1EA5t (%1)</span><span id="Plane_rows2">H\u00E0ng h\u1EA1ng hai: %1</span><span id="Plane_getRows2">s\u1ED1 h\u00E0ng h\u1EA1ng hai (%1)</span><span id="Plane_seats">S\u1ED1 ch\u1ED7 ng\u1ED3i: %1</span><span id="Plane_placeholder">?</span><span id="Plane_setSeats">T\u00EDnh s\u1ED1 ch\u1ED7 ng\u1ED3i =</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">M\u00E1y bay gh\u1EBF m\u00E1y t\u00EDnh</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += 'M\u00E1y bay c\u00F3 m\u1ED9t s\u1ED1 h\u00E0ng gh\u1EBF h\u00E0nh kh\u00E1ch.  M\u1ED7i h\u00E0ng c\u00F3 b\u1ED1n ch\u1ED7 ng\u1ED3i.';
-      break;
-    case 2:
-      output += 'M\u1ED9t m\u00E1y bay c\u00F3 hai gh\u1EBF trong bu\u1ED3ng l\u00E1i (d\u00E0nh cho phi c\u00F4ng tr\u01B0\u1EDFng v\u00E0 phi c\u00F4ng ph\u1EE5), v\u00E0 m\u1ED9t lo\u1EA1t h\u00E0ng gh\u1EBF cho h\u00E0nh kh\u00E1ch. M\u1ED7i h\u00E0ng c\u00F3 b\u1ED1n gh\u1EBF (b\u1ED1n ch\u1ED7 ng\u1ED3i).';
-      break;
-    case 3:
-      output += 'M\u1ED9t chi\u1EBFc m\u00E1y bay n\u00E0y c\u00F3 hai ch\u1ED7 ng\u1ED3i \u1EDF s\u00E0n (cho phi c\u00F4ng tr\u01B0\u1EDFng v\u00E0 phi c\u00F4ng ph\u00F3), v\u00E0 m\u1ED9t s\u1ED1 h\u00E0ng gh\u1EBF h\u1EA1ng 1 v\u00E0 h\u1EA1ng 2.  M\u1ED7i h\u00E0ng h\u1EA1ng 1 c\u00F3 b\u1ED1n ch\u1ED7 ng\u1ED3i. M\u1ED7i h\u00E0ng h\u1EA1ng 2 c\u00F3 n\u0103m ch\u1ED7 ng\u1ED3i.';
-      break;
-  }
-  output += '</p><p>D\u01B0\u1EDBi \u0111\u00E2y h\u00E3y t\u1EA1o c\u00F4ng th\u1EE9c t\u00EDnh s\u1ED1 ch\u1ED7 ng\u1ED3i tr\u00EAn m\u00E1y bay \u0111\u1EC3 n\u00F3 thay \u0111\u1ED5i t\u00F9y theo s\u1ED1 l\u01B0\u1EE3ng h\u00E0ng gh\u1EBF (h\u00ECnh tr\u00EAn).</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/zh-hans.js b/demos/plane/generated/zh-hans.js
deleted file mode 100644
index 3331b8e990e..00000000000
--- a/demos/plane/generated/zh-hans.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">\u884C\uFF1A%1</span><span id="Plane_getRows">\u884C (%1)</span><span id="Plane_rows1">\u5934\u7B49\u884C\uFF1A%1</span><span id="Plane_getRows1">\u5934\u7B49\u884C\uFF08%1\uFF09</span><span id="Plane_rows2">\u7ECF\u6D4E\u7B49\u884C\uFF1A%1</span><span id="Plane_getRows2">\u7ECF\u6D4E\u7B49\u884C\uFF08%1\uFF09</span><span id="Plane_seats">\u5EA7\u4F4D\uFF1A%1</span><span id="Plane_placeholder">\uFF1F</span><span id="Plane_setSeats">\u5EA7\u4F4D\uFF1D</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">\u98DE\u673A\u5EA7\u4F4D\u8BA1\u7B97\u5668</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += '\u4E00\u67B6\u98DE\u673A\u6709\u4E00\u5B9A\u91CF\u884C\u6570\u7684\u4E58\u5BA2\u5EA7\u4F4D\uFF0C\u6BCF\u884C\u5171\u56DB\u5EA7\u3002';
-      break;
-    case 2:
-      output += '\u4E00\u67B6\u98DE\u673A\u9664\u4E86\u6709\u4E24\u4E2A\u5EA7\u4F4D\u4F9B\u6B63\u526F\u9A7E\u9A76\u5458\uFF0C\u8FD8\u6709\u4E00\u5B9A\u91CF\u884C\u6570\u7684\u4E58\u5BA2\u5EA7\u4F4D\u3002\u6BCF\u884C\u5171\u56DB\u5EA7\u3002';
-      break;
-    case 3:
-      output += '\u4E00\u67B6\u98DE\u673A\u9664\u4E86\u6709\u4E24\u4E2A\u5EA7\u4F4D\u4F9B\u6B63\u526F\u9A7E\u9A76\u5458\uFF0C\u8FD8\u6709\u4E00\u5B9A\u91CF\u884C\u6570\u7684\u5934\u7B49\u53CA\u7ECF\u6D4E\u4E58\u5BA2\u5EA7\u4F4D\u3002\u5934\u7B49\u6BCF\u884C\u5171\u56DB\u5EA7\uFF0C\u7ECF\u6D4E\u6BCF\u884C\u5171\u4E94\u5EA7\u3002';
-      break;
-  }
-  output += '</p><p>\u4E8E\u4E0B\u65B9\u5199\u51FA\u4E00\u6761\u516C\u5F0F\u4EE5\u8BA1\u7B97\u98DE\u673A\u4E0A\u7684\u5EA7\u4F4D\u603B\u6570\u3002</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/generated/zh-hant.js b/demos/plane/generated/zh-hant.js
deleted file mode 100644
index 8eeb91d86d5..00000000000
--- a/demos/plane/generated/zh-hant.js
+++ /dev/null
@@ -1,50 +0,0 @@
-// This file was automatically generated from template.soy.
-// Please don't edit this file by hand.
-
-/**
- * @fileoverview Templates in namespace planepage.
- */
-
-if (typeof planepage == 'undefined') { var planepage = {}; }
-
-
-planepage.messages = function(opt_data, opt_ignored, opt_ijData) {
-  return '<div style="display: none"><span id="Plane_rows">\u6392\uFF1A%1</span><span id="Plane_getRows">\u6392\uFF08%1\uFF09</span><span id="Plane_rows1">\u982D\u7B49\u8259\uFF1A%1 \u6392</span><span id="Plane_getRows1">\u982D\u7B49\u8259\uFF08%1\uFF09</span><span id="Plane_rows2">\u7D93\u6FDF\u8259\uFF1A%1 \u6392</span><span id="Plane_getRows2">\u7D93\u6FDF\u8259\uFF08%1\uFF09</span><span id="Plane_seats">\u5EA7\u4F4D\uFF1A%1</span><span id="Plane_placeholder">\uFF1F</span><span id="Plane_setSeats">\u5EA7\u4F4D\uFF1D</span></div>';
-};
-if (goog.DEBUG) {
-  planepage.messages.soyTemplateName = 'planepage.messages';
-}
-
-
-planepage.start = function(opt_data, opt_ignored, opt_ijData) {
-  var output = planepage.messages(null, null, opt_ijData) + '<table width="100%"><tr><td><h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt; <a href="../index.html">Demos</a>&rlm; &gt; <span id="title">\u98DB\u6A5F\u5EA7\u4F4D\u8A08\u7B97\u5668</span> &nbsp; ';
-  var iLimit47 = opt_ijData.maxLevel + 1;
-  for (var i47 = 1; i47 < iLimit47; i47++) {
-    output += ' ' + ((i47 == opt_ijData.level) ? '<span class="tab" id="selected">' + soy.$$escapeHtml(i47) + '</span>' : (i47 < opt_ijData.level) ? '<a class="tab previous" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>' : '<a class="tab" href="?lang=' + soy.$$escapeHtml(opt_ijData.lang) + '&level=' + soy.$$escapeHtml(i47) + '">' + soy.$$escapeHtml(i47) + '</a>');
-  }
-  output += '</h1></td><td class="farSide"><span ' + ((opt_ijData.lang == 'en') ? 'id="languageBorder"' : '') + ' style="padding: 10px"><select id="languageMenu"></select></span></td></tr></table><script src="slider.js"><\/script><svg id="plane" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="600" height="320" viewBox="0 110 600 320"><defs><g id="row1st"><rect class="seat1st" width="10" height="10" x="75" y="243" /><rect class="seat1st" width="10" height="10" x="75" y="254" /><rect class="seat1st" width="10" height="10" x="75" y="272" /><rect class="seat1st" width="10" height="10" x="75" y="283" /></g><g id="row2nd"><rect class="seat2nd" width="10" height="8" x="75" y="243" /><rect class="seat2nd" width="10" height="8" x="75" y="251" /><rect class="seat2nd" width="10" height="8" x="75" y="269" /><rect class="seat2nd" width="10" height="8" x="75" y="277" /><rect class="seat2nd" width="10" height="8" x="75" y="285" /></g><linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient><linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%"><stop offset="0%" style="stop-color:#fff;stop-opacity:0" /><stop offset="100%" style="stop-color:#fff;stop-opacity:1" /></linearGradient></defs><path d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z" id="wing" /><path d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z" id="tail" /><path d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z" id="fuselage" /><rect width="610" height="100" x="-5" y="110" fill="url(#grad1)" /><rect width="610" height="100" x="-5" y="330" fill="url(#grad2)" /><text id="row1stText" x="55" y="380"></text><text id="row2ndText" x="55" y="420"></text><text x="55" y="210"><tspan id="seatText"></tspan><tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan><tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan></text>' + ((opt_ijData.level > 1) ? '<rect id="crew_right" class="crew" width="10" height="10" x="35" y="254" /><rect id="crew_left" class="crew" width="10" height="10" x="35" y="272" />' : '') + '</svg><p>';
-  switch (opt_ijData.level) {
-    case 1:
-      output += '\u4E00\u67B6\u98DB\u6A5F\u6709\u4E00\u5B9A\u91CF\u884C\u6578\u7684\u4E58\u5BA2\u5EA7\u4F4D\uFF0C\u6BCF\u6392\u90FD\u5305\u542B\u56DB\u500B\u5E2D\u4F4D\u3002';
-      break;
-    case 2:
-      output += '\u4E00\u67B6\u98DB\u6A5F\u9664\u4E86\u6709\u5169\u500B\u5EA7\u4F4D\u4F9B\u6B63\u526F\u6A5F\u5E2B\uFF0C\u9084\u6709\u4E00\u5B9A\u91CF\u884C\u6578\u7684\u4E58\u5BA2\u5EA7\u4F4D\u3002\u6BCF\u6392\u90FD\u5305\u542B\u56DB\u500B\u5E2D\u4F4D\u3002';
-      break;
-    case 3:
-      output += '\u4E00\u67B6\u98DB\u6A5F\u9664\u4E86\u6709\u5169\u500B\u5EA7\u4F4D\u4F9B\u6B63\u526F\u6A5F\u5E2B\uFF0C\u9084\u6709\u4E00\u5B9A\u91CF\u884C\u6578\u7684\u982D\u7B49\u53CA\u7D93\u6FDF\u4E58\u5BA2\u5EA7\u4F4D\u3002\u982D\u7B49\u8259\u6BCF\u6392\u90FD\u5305\u542B\u56DB\u500B\u5E2D\u4F4D\uFF0C\u7D93\u6FDF\u8259\u6BCF\u6392\u90FD\u5305\u542B\u4E94\u500B\u5E2D\u4F4D\u3002\u3002';
-      break;
-  }
-  output += '</p><p>\u65BC\u4E0B\u65B9\u5BEB\u51FA\u4E00\u689D\u516C\u5F0F\u4EE5\u8A08\u7B97\u98DB\u6A5F\u4E0A\u7684\u5EA7\u4F4D\u7E3D\u6578\u3002</p><script src="../../blockly_compressed.js"><\/script><script src="../../blocks_compressed.js"><\/script><script src="../../javascript_compressed.js"><\/script><script src="../../msg/js/' + soy.$$escapeHtml(opt_ijData.lang) + '.js"><\/script><script src="blocks.js"><\/script>' + planepage.toolbox(null, null, opt_ijData) + '<div id="blockly"></div>';
-  return output;
-};
-if (goog.DEBUG) {
-  planepage.start.soyTemplateName = 'planepage.start';
-}
-
-
-planepage.toolbox = function(opt_data, opt_ignored, opt_ijData) {
-  return '<xml id="toolbox" style="display: none"><block type="math_number"></block><block type="math_arithmetic"><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block><block type="math_arithmetic"><field name="OP">MULTIPLY</field><value name="A"><shadow type="math_number"><field name="NUM">1</field></shadow></value><value name="B"><shadow type="math_number"><field name="NUM">1</field></shadow></value></block>' + ((opt_ijData.level <= 2) ? '<block type="plane_get_rows"></block>' : '<block type="plane_get_rows1st"></block><block type="plane_get_rows2nd"></block>') + '</xml>';
-};
-if (goog.DEBUG) {
-  planepage.toolbox.soyTemplateName = 'planepage.toolbox';
-}
diff --git a/demos/plane/icon.png b/demos/plane/icon.png
deleted file mode 100644
index 816cc75f8fb..00000000000
Binary files a/demos/plane/icon.png and /dev/null differ
diff --git a/demos/plane/index.html b/demos/plane/index.html
deleted file mode 100644
index dec1cd3cd7b..00000000000
--- a/demos/plane/index.html
+++ /dev/null
@@ -1,19 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <meta name="google" value="notranslate">
-  <title>Blockly Demo:</title>
-  <link rel="stylesheet" href="style.css">
-  <script src="soy/soyutils.js"></script>
-  <script src="plane.js"></script>
-</head>
-<body>
-  <script>
-    document.write(planepage.start({}, null,
-        {lang: Plane.LANG,
-         level: Plane.LEVEL,
-         maxLevel: Plane.MAX_LEVEL}));
-  </script>
-</body>
-</html>
diff --git a/demos/plane/plane.js b/demos/plane/plane.js
deleted file mode 100644
index bc5cf512c62..00000000000
--- a/demos/plane/plane.js
+++ /dev/null
@@ -1,430 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview JavaScript for Blockly's Plane Seat Calculator demo.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-/**
- * Create a namespace for the application.
- */
-var Plane = {};
-
-/**
- * Lookup for names of supported languages.  Keys should be in ISO 639 format.
- */
-Plane.LANGUAGE_NAME = {
-  'ar': 'العربية',
-  'be-tarask': 'Taraškievica',
-  'br': 'Brezhoneg',
-  'ca': 'Català',
-  'da': 'Dansk',
-  'de': 'Deutsch',
-  'el': 'Ελληνικά',
-  'en': 'English',
-  'es': 'Español',
-  'fa': 'فارسی',
-  'fr': 'Français',
-  'he': 'עברית',
-  'hrx': 'Hunsrik',
-  'hu': 'Magyar',
-  'ia': 'Interlingua',
-  'is': 'Íslenska',
-  'it': 'Italiano',
-  'ja': '日本語',
-  'ko': '한국어',
-  'ms': 'Bahasa Melayu',
-  'nb': 'Norsk Bokmål',
-  'nl': 'Nederlands, Vlaams',
-  'pl': 'Polski',
-  'pms': 'Piemontèis',
-  'pt-br': 'Português Brasileiro',
-  'ro': 'Română',
-  'ru': 'Русский',
-  'sc': 'Sardu',
-  'sv': 'Svenska',
-  'th': 'ภาษาไทย',
-  'tr': 'Türkçe',
-  'uk': 'Українська',
-  'vi': 'Tiếng Việt',
-  'zh-hans': '简体中文',
-  'zh-hant': '正體中文'
-};
-
-/**
- * List of RTL languages.
- */
-Plane.LANGUAGE_RTL = ['ar', 'fa', 'he'];
-
-/**
- * Main Blockly workspace.
- * @type {Blockly.WorkspaceSvg}
- */
-Plane.workspace = null;
-
-/**
- * Extracts a parameter from the URL.
- * If the parameter is absent default_value is returned.
- * @param {string} name The name of the parameter.
- * @param {string} defaultValue Value to return if paramater not found.
- * @return {string} The parameter value or the default value if not found.
- */
-Plane.getStringParamFromUrl = function(name, defaultValue) {
-  var val = location.search.match(new RegExp('[?&]' + name + '=([^&]+)'));
-  return val ? decodeURIComponent(val[1].replace(/\+/g, '%20')) : defaultValue;
-};
-
-/**
- * Extracts a numeric parameter from the URL.
- * If the parameter is absent or less than min_value, min_value is
- * returned.  If it is greater than max_value, max_value is returned.
- * @param {string} name The name of the parameter.
- * @param {number} minValue The minimum legal value.
- * @param {number} maxValue The maximum legal value.
- * @return {number} A number in the range [min_value, max_value].
- */
-Plane.getNumberParamFromUrl = function(name, minValue, maxValue) {
-  var val = Number(Plane.getStringParamFromUrl(name, 'NaN'));
-  return isNaN(val) ? minValue : Math.min(Math.max(minValue, val), maxValue);
-};
-
-/**
- * Get the language of this user from the URL.
- * @return {string} User's language.
- */
-Plane.getLang = function() {
-  var lang = Plane.getStringParamFromUrl('lang', '');
-  if (Plane.LANGUAGE_NAME[lang] === undefined) {
-    // Default to English.
-    lang = 'en';
-  }
-  return lang;
-};
-
-/**
- * Is the current language (Plane.LANG) an RTL language?
- * @return {boolean} True if RTL, false if LTR.
- */
-Plane.isRtl = function() {
-  return Plane.LANGUAGE_RTL.indexOf(Plane.LANG) != -1;
-};
-
-/**
- * Load blocks saved in session/local storage.
- * @param {string} defaultXml Text representation of default blocks.
- */
-Plane.loadBlocks = function(defaultXml) {
-  try {
-    var loadOnce = window.sessionStorage.loadOnceBlocks;
-  } catch(e) {
-    // Firefox sometimes throws a SecurityError when accessing sessionStorage.
-    // Restarting Firefox fixes this, so it looks like a bug.
-    var loadOnce = null;
-  }
-  if (loadOnce) {
-    // Language switching stores the blocks during the reload.
-    delete window.sessionStorage.loadOnceBlocks;
-    var xml = Blockly.Xml.textToDom(loadOnce);
-    Blockly.Xml.domToWorkspace(xml, Plane.workspace);
-  } else if (defaultXml) {
-    // Load the editor with default starting blocks.
-    var xml = Blockly.Xml.textToDom(defaultXml);
-    Blockly.Xml.domToWorkspace(xml, Plane.workspace);
-  }
-  Plane.workspace.clearUndo();
-};
-
-/**
- * Save the blocks and reload with a different language.
- */
-Plane.changeLanguage = function() {
-  // Store the blocks for the duration of the reload.
-  // This should be skipped for the index page, which has no blocks and does
-  // not load Blockly.
-  // MSIE 11 does not support sessionStorage on file:// URLs.
-  if (typeof Blockly != 'undefined' && window.sessionStorage) {
-    var xml = Blockly.Xml.workspaceToDom(Plane.workspace);
-    var text = Blockly.Xml.domToText(xml);
-    window.sessionStorage.loadOnceBlocks = text;
-  }
-
-  var languageMenu = document.getElementById('languageMenu');
-  var newLang = encodeURIComponent(
-      languageMenu.options[languageMenu.selectedIndex].value);
-  var search = window.location.search;
-  if (search.length <= 1) {
-    search = '?lang=' + newLang;
-  } else if (search.match(/[?&]lang=[^&]*/)) {
-    search = search.replace(/([?&]lang=)[^&]*/, '$1' + newLang);
-  } else {
-    search = search.replace(/\?/, '?lang=' + newLang + '&');
-  }
-
-  window.location = window.location.protocol + '//' +
-      window.location.host + window.location.pathname + search;
-};
-
-/**
- * Gets the message with the given key from the document.
- * @param {string} key The key of the document element.
- * @return {string} The textContent of the specified element,
- *     or an error message if the element was not found.
- */
-Plane.getMsg = function(key) {
-  var element = document.getElementById(key);
-  if (element) {
-    var text = element.textContent;
-    // Convert newline sequences.
-    text = text.replace(/\\n/g, '\n');
-    return text;
-  } else {
-    return '[Unknown message: ' + key + ']';
-  }
-};
-
-/**
- * User's language (e.g. "en").
- * @type {string}
- */
-Plane.LANG = Plane.getLang();
-
-Plane.MAX_LEVEL = 3;
-Plane.LEVEL = Plane.getNumberParamFromUrl('level', 1, Plane.MAX_LEVEL);
-
-Plane.rows1st = 0;
-Plane.rows2nd = 0;
-
-/**
- * Redraw the rows and update blocks when the slider has moved.
- * @param {number} value New slider position.
- */
-Plane.sliderChange = function(value) {
-  var newRows = Math.round(value * 410 / 20);
-  Plane.redraw(newRows);
-
-  function updateBlocks(blocks) {
-    for (var i = 0, block; block = blocks[i]; i++) {
-      block.customUpdate && block.customUpdate();
-    }
-  }
-  updateBlocks(Plane.workspace.getAllBlocks(false), true);
-  updateBlocks(Plane.workspace.flyout_.workspace_.getAllBlocks(false));
-};
-
-/**
- * Change the text of a label.
- * @param {string} id ID of element to change.
- * @param {string} text New text.
- */
-Plane.setText = function(id, text) {
-  var el = document.getElementById(id);
-  while (el.firstChild) {
-    el.removeChild(el.firstChild);
-  }
-  el.appendChild(document.createTextNode(text));
-};
-
-/**
- * Display a checkmark or cross next to the answer.
- * @param {?boolean} ok True for checkmark, false for cross, null for nothing.
- */
-Plane.setCorrect = function(ok) {
-  var yes = document.getElementById('seatYes');
-  var no = document.getElementById('seatNo');
-  yes.style.display = 'none';
-  no.style.display = 'none';
-  if (ok === true) {
-    yes.style.display = 'block';
-  } else if (ok === false) {
-    no.style.display = 'block';
-  }
-};
-
-/**
- * Initialize Blockly and the SVG plane.
- */
-Plane.init = function() {
-  Plane.initLanguage();
-
-  // Fixes viewport for small screens.
-  var viewport = document.querySelector('meta[name="viewport"]');
-  if (viewport && screen.availWidth < 725) {
-    viewport.setAttribute('content',
-        'width=725, initial-scale=.35, user-scalable=no');
-  }
-
-  Plane.workspace = Blockly.inject('blockly',
-      {media: '../../media/',
-       rtl: Plane.isRtl(),
-       toolbox: document.getElementById('toolbox')});
-
-  var defaultXml =
-      '<xml xmlns="https://developers.google.com/blockly/xml">' +
-      '  <block type="plane_set_seats" deletable="false" x="70" y="70">' +
-      '  </block>' +
-      '</xml>';
-  Plane.loadBlocks(defaultXml);
-
-  Plane.workspace.addChangeListener(Plane.recalculate);
-  Plane.workspace.addChangeListener(Blockly.Events.disableOrphans);
-
-  // Initialize the slider.
-  var svg = document.getElementById('plane');
-  Plane.rowSlider = new Slider(60, 330, 425, svg, Plane.sliderChange);
-  Plane.rowSlider.setValue(0.225);
-
-  // Draw five 1st class rows.
-  Plane.redraw(5);
-};
-
-/**
- * Initialize the page language.
- */
-Plane.initLanguage = function() {
-  // Set the page title with the content of the H1 title.
-  document.title += ' ' + document.getElementById('title').textContent;
-
-  // Set the HTML's language and direction.
-  // document.dir fails in Mozilla, use document.body.parentNode.dir instead.
-  // https://bugzilla.mozilla.org/show_bug.cgi?id=151407
-  var rtl = Plane.isRtl();
-  document.head.parentElement.setAttribute('dir', rtl ? 'rtl' : 'ltr');
-  document.head.parentElement.setAttribute('lang', Plane.LANG);
-
-  // Sort languages alphabetically.
-  var languages = [];
-  for (var lang in Plane.LANGUAGE_NAME) {
-    languages.push([Plane.LANGUAGE_NAME[lang], lang]);
-  }
-  var comp = function(a, b) {
-    // Sort based on first argument ('English', 'Русский', '简体字', etc).
-    if (a[0] > b[0]) return 1;
-    if (a[0] < b[0]) return -1;
-    return 0;
-  };
-  languages.sort(comp);
-  // Populate the language selection menu.
-  var languageMenu = document.getElementById('languageMenu');
-  languageMenu.options.length = 0;
-  for (var i = 0; i < languages.length; i++) {
-    var tuple = languages[i];
-    var lang = tuple[tuple.length - 1];
-    var option = new Option(tuple[0], lang);
-    if (lang == Plane.LANG) {
-      option.selected = true;
-    }
-    languageMenu.options.add(option);
-  }
-  languageMenu.addEventListener('change', Plane.changeLanguage, true);
-};
-
-/**
- * Use the blocks to calculate the number of seats.
- * Display the calculated number.
- */
-Plane.recalculate = function() {
-  // Find the 'set' block and use it as the formula root.
-  var rootBlock = null;
-  var blocks = Plane.workspace.getTopBlocks(false);
-  for (var i = 0, block; block = blocks[i]; i++) {
-    if (block.type == 'plane_set_seats') {
-      rootBlock = block;
-    }
-  }
-  var seats = NaN;
-  Blockly.JavaScript.init(Plane.workspace);
-  var code = Blockly.JavaScript.blockToCode(rootBlock);
-  try {
-    seats = eval(code);
-  } catch (e) {
-    // Allow seats to remain NaN.
-  }
-  Plane.setText('seatText',
-      Plane.getMsg('Plane_seats').replace(
-          '%1', isNaN(seats) ? '?' : seats));
-  Plane.setCorrect(isNaN(seats) ? null : (Plane.answer() == seats));
-};
-
-/**
- * Calculate the correct answer.
- * @return {number} Number of seats.
- */
-Plane.answer = function() {
-  if (Plane.LEVEL == 1) {
-    return Plane.rows1st * 4;
-  } else if (Plane.LEVEL == 2) {
-    return 2 + (Plane.rows1st * 4);
-  } else if (Plane.LEVEL == 3) {
-    return 2 + (Plane.rows1st * 4) + (Plane.rows2nd * 5);
-  }
-  throw 'Unknown level.';
-};
-
-/**
- * Redraw the SVG to show a new number of rows.
- * @param {number} newRows
- */
-Plane.redraw = function(newRows) {
-  var rows1st = Plane.rows1st;
-  var rows2nd = Plane.rows2nd;
-  var svg = document.getElementById('plane');
-  if (newRows != rows1st) {
-    while (newRows < rows1st) {
-      var row = document.getElementById('row1st' + rows1st);
-      row.parentNode.removeChild(row);
-      rows1st--;
-    }
-    while (newRows > rows1st) {
-      rows1st++;
-      var row = document.createElementNS('http://www.w3.org/2000/svg', 'use');
-      row.id = 'row1st' + rows1st;
-      // Row of 4 seats.
-      row.setAttribute('x', (rows1st - 1) * 20);
-      row.setAttributeNS('http://www.w3.org/1999/xlink',
-          'xlink:href', '#row1st');
-      svg.appendChild(row);
-    }
-
-    if (Plane.LEVEL == 3) {
-      newRows = Math.floor((21 - newRows) * 1.11);
-      while (newRows < rows2nd) {
-        var row = document.getElementById('row2nd' + rows2nd);
-        row.parentNode.removeChild(row);
-        rows2nd--;
-      }
-      while (newRows > rows2nd) {
-        rows2nd++;
-        var row = document.createElementNS('http://www.w3.org/2000/svg', 'use');
-        row.id = 'row2nd' + rows2nd;
-        row.setAttribute('x', 400 - (rows2nd - 1) * 18);
-        row.setAttributeNS('http://www.w3.org/1999/xlink',
-            'xlink:href', '#row2nd');
-        svg.appendChild(row);
-      }
-    }
-
-    if (Plane.LEVEL < 3) {
-      Plane.setText('row1stText',
-          Plane.getMsg('Plane_rows').replace('%1', rows1st));
-    } else {
-      Plane.setText('row1stText',
-          Plane.getMsg('Plane_rows1').replace('%1', rows1st));
-      Plane.setText('row2ndText',
-          Plane.getMsg('Plane_rows2').replace('%1', rows2nd));
-    }
-
-    Plane.rows1st = rows1st;
-    Plane.rows2nd = rows2nd;
-    Plane.recalculate();
-  }
-};
-
-window.addEventListener('load', Plane.init);
-
-// Load the user's language pack.
-document.write('<script src="generated/' + Plane.LANG + '.js"></script>\n');
diff --git a/demos/plane/slider.js b/demos/plane/slider.js
deleted file mode 100644
index 8428749d8c7..00000000000
--- a/demos/plane/slider.js
+++ /dev/null
@@ -1,274 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview A slider control in SVG.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-
-/**
- * Object representing a horizontal slider widget.
- * @param {number} x The horizontal offset of the slider.
- * @param {number} y The vertical offset of the slider.
- * @param {number} width The total width of the slider.
- * @param {!Element} svgParent The SVG element to append the slider to.
- * @param {Function=} opt_changeFunc Optional callback function that will be
- *     called when the slider is moved.  The current value is passed.
- * @constructor
- */
-var Slider = function(x, y, width, svgParent, opt_changeFunc) {
-  this.KNOB_Y_ = y - 12;
-  this.KNOB_MIN_X_ = x + 8;
-  this.KNOB_MAX_X_ = x + width - 8;
-  this.TARGET_OVERHANG_ = 20;
-  this.value_ = 0.5;
-  this.changeFunc_ = opt_changeFunc;
-  this.animationTasks_ = [];
-
-  // Draw the slider.
-  /*
-  <line class="sliderTrack" x1="10" y1="35" x2="140" y2="35" />
-  <rect style="opacity: 0" x="5" y="25" width="150" height="20" />
-  <path id="knob"
-      transform="translate(67, 23)"
-      d="m 8,0 l -8,8 v 12 h 16 v -12 z" />
-  <circle style="opacity: 0" r="20" cy="35" cx="75"></circle>
-  */
-  var track = document.createElementNS(Slider.SVG_NS_, 'line');
-  track.setAttribute('class', 'sliderTrack');
-  track.setAttribute('x1', x);
-  track.setAttribute('y1', y);
-  track.setAttribute('x2', x + width);
-  track.setAttribute('y2', y);
-  svgParent.appendChild(track);
-  this.track_ = track;
-  var rect = document.createElementNS(Slider.SVG_NS_, 'rect');
-  rect.setAttribute('style', 'opacity: 0');
-  rect.setAttribute('x', x - this.TARGET_OVERHANG_);
-  rect.setAttribute('y', y - this.TARGET_OVERHANG_);
-  rect.setAttribute('width',  width + 2 * this.TARGET_OVERHANG_);
-  rect.setAttribute('height', 2 * this.TARGET_OVERHANG_);
-  rect.setAttribute('rx', this.TARGET_OVERHANG_);
-  rect.setAttribute('ry', this.TARGET_OVERHANG_);
-  svgParent.appendChild(rect);
-  this.trackTarget_ = rect;
-  var knob = document.createElementNS(Slider.SVG_NS_, 'path');
-  knob.setAttribute('class', 'sliderKnob');
-  knob.setAttribute('d', 'm 0,0 l -8,8 v 12 h 16 v -12 z');
-  svgParent.appendChild(knob);
-  this.knob_ = knob;
-  var circle = document.createElementNS(Slider.SVG_NS_, 'circle');
-  circle.setAttribute('style', 'opacity: 0');
-  circle.setAttribute('r', this.TARGET_OVERHANG_);
-  circle.setAttribute('cy', y);
-  svgParent.appendChild(circle);
-  this.knobTarget_ = circle;
-  this.setValue(0.5);
-
-  // Find the root SVG object.
-  while (svgParent && svgParent.nodeName.toLowerCase() != 'svg') {
-    svgParent = svgParent.parentNode;
-  }
-  this.SVG_ = svgParent;
-
-  // Bind the events to this slider.
-  Slider.bindEvent_(this.knobTarget_, 'mousedown', this, this.knobMouseDown_);
-  Slider.bindEvent_(this.knobTarget_, 'touchstart', this, this.knobMouseDown_);
-  Slider.bindEvent_(this.trackTarget_, 'mousedown', this, this.rectMouseDown_);
-  Slider.bindEvent_(this.SVG_, 'mouseup', null, Slider.knobMouseUp_);
-  Slider.bindEvent_(this.SVG_, 'touchend', null, Slider.knobMouseUp_);
-  Slider.bindEvent_(this.SVG_, 'mousemove', null, Slider.knobMouseMove_);
-  Slider.bindEvent_(this.SVG_, 'touchmove', null, Slider.knobMouseMove_);
-  Slider.bindEvent_(document, 'mouseover', null, Slider.mouseOver_);
-};
-
-
-Slider.SVG_NS_ = 'http://www.w3.org/2000/svg';
-
-Slider.activeSlider_ = null;
-Slider.startMouseX_ = 0;
-Slider.startKnobX_ = 0;
-
-/**
- * Start a drag when clicking down on the knob.
- * @param {!Event} e Mouse-down event.
- * @private
- */
-Slider.prototype.knobMouseDown_ = function(e) {
-  if (e.type == 'touchstart') {
-    if (e.changedTouches.length != 1) {
-      return;
-    }
-    Slider.touchToMouse_(e)
-  }
-  Slider.activeSlider_ = this;
-  Slider.startMouseX_ = this.mouseToSvg_(e).x;
-  Slider.startKnobX_ = 0;
-  var transform = this.knob_.getAttribute('transform');
-  if (transform) {
-    var r = transform.match(/translate\(\s*([-\d.]+)/);
-    if (r) {
-      Slider.startKnobX_ = Number(r[1]);
-    }
-  }
-  // Stop browser from attempting to drag the knob or
-  // from scrolling/zooming the page.
-  e.preventDefault();
-};
-
-/**
- * Stop a drag when clicking up anywhere.
- * @param {Event} e Mouse-up event.
- * @private
- */
-Slider.knobMouseUp_ = function(e) {
-  Slider.activeSlider_ = null;
-};
-
-/**
- * Stop a drag when the mouse enters a node not part of the SVG.
- * @param {Event} e Mouse-up event.
- * @private
- */
-Slider.mouseOver_ = function(e) {
-  if (!Slider.activeSlider_) {
-    return;
-  }
-  var node = e.target;
-  // Find the root SVG object.
-  do {
-    if (node == Slider.activeSlider_.SVG_) {
-      return;
-    }
-  } while (node = node.parentNode);
-  Slider.knobMouseUp_(e);
-};
-
-/**
- * Drag the knob to follow the mouse.
- * @param {!Event} e Mouse-move event.
- * @private
- */
-Slider.knobMouseMove_ = function(e) {
-  var thisSlider = Slider.activeSlider_;
-  if (!thisSlider) {
-    return;
-  }
-  if (e.type == 'touchmove') {
-    if (e.changedTouches.length != 1) {
-      return;
-    }
-    Slider.touchToMouse_(e)
-  }
-  var x = thisSlider.mouseToSvg_(e).x - Slider.startMouseX_ +
-      Slider.startKnobX_;
-  thisSlider.setValue((x - thisSlider.KNOB_MIN_X_) /
-      (thisSlider.KNOB_MAX_X_ - thisSlider.KNOB_MIN_X_));
-};
-
-/**
- * Jump to a new value when the track is clicked.
- * @param {!Event} e Mouse-down event.
- * @private
- */
-Slider.prototype.rectMouseDown_ = function(e) {
-  if (e.type == 'touchstart') {
-    if (e.changedTouches.length != 1) {
-      return;
-    }
-    Slider.touchToMouse_(e)
-  }
-  var x = this.mouseToSvg_(e).x;
-  this.animateValue((x - this.KNOB_MIN_X_) /
-      (this.KNOB_MAX_X_ - this.KNOB_MIN_X_));
-};
-
-/**
- * Returns the slider's value (0.0 - 1.0).
- * @return {number} Current value.
- */
-Slider.prototype.getValue = function() {
-  return this.value_;
-};
-
-/**
- * Animates the slider's value (0.0 - 1.0).
- * @param {number} value New value.
- */
-Slider.prototype.animateValue = function(value) {
-  // Clear any ongoing animations.
-  while (this.animationTasks_.length) {
-    clearTimeout(this.animationTasks_.pop());
-  }
-  var duration = 200; // Milliseconds to animate for.
-  var steps = 10; // Number of steps to animate.
-  var oldValue = this.getValue();
-  var thisSlider = this;
-  var stepFunc = function(i) {
-    return function() {
-      var newVal = i * (value - oldValue) / (steps - 1) + oldValue;
-      thisSlider.setValue(newVal);
-    };
-  }
-  for (var i = 0; i < steps; i++) {
-    this.animationTasks_.push(setTimeout(stepFunc(i), i * duration / steps));
-  }
-};
-
-/**
- * Sets the slider's value (0.0 - 1.0).
- * @param {number} value New value.
- */
-Slider.prototype.setValue = function(value) {
-  this.value_ = Math.min(Math.max(value, 0), 1);
-  var x = this.KNOB_MIN_X_ +
-      (this.KNOB_MAX_X_ - this.KNOB_MIN_X_) * this.value_;
-  this.knob_.setAttribute('transform',
-      'translate(' + x + ',' + this.KNOB_Y_ + ')');
-  this.knobTarget_.setAttribute('cx', x);
-  this.changeFunc_ && this.changeFunc_(this.value_);
-};
-
-/**
- * Convert the mouse coordinates into SVG coordinates.
- * @param {!Object} e Object with x and y mouse coordinates.
- * @return {!Object} Object with x and y properties in SVG coordinates.
- * @private
- */
-Slider.prototype.mouseToSvg_ = function(e) {
-  var svgPoint = this.SVG_.createSVGPoint();
-  svgPoint.x = e.clientX;
-  svgPoint.y = e.clientY;
-  var matrix = this.SVG_.getScreenCTM().inverse();
-  return svgPoint.matrixTransform(matrix);
-};
-
-/**
- * Bind an event to a function call.
- * @param {!Node} node Node upon which to listen.
- * @param {string} name Event name to listen to (e.g. 'mousedown').
- * @param {Object} thisObject The value of 'this' in the function.
- * @param {!Function} func Function to call when event is triggered.
- * @private
- */
-Slider.bindEvent_ = function(node, name, thisObject, func) {
-  var wrapFunc = function(e) {
-    func.apply(thisObject, arguments);
-  };
-  node.addEventListener(name, wrapFunc, false);
-};
-
-/**
- * Map the touch event's properties to be compatible with a mouse event.
- * @param {TouchEvent} e Event to modify.
- */
-Slider.touchToMouse_ = function(e) {
-  var touchPoint = e.changedTouches[0];
-  e.clientX = touchPoint.clientX;
-  e.clientY = touchPoint.clientY;
-};
diff --git a/demos/plane/soy/COPYING b/demos/plane/soy/COPYING
deleted file mode 100644
index d6456956733..00000000000
--- a/demos/plane/soy/COPYING
+++ /dev/null
@@ -1,202 +0,0 @@
-
-                                 Apache License
-                           Version 2.0, January 2004
-                        http://www.apache.org/licenses/
-
-   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
-
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-
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-      control with that entity. For the purposes of this definition,
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-      direction or management of such entity, whether by contract or
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-      by You to the Licensor shall be under the terms and conditions of
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-      the terms of any separate license agreement you may have executed
-      with Licensor regarding such Contributions.
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diff --git a/demos/plane/soy/README b/demos/plane/soy/README
deleted file mode 100644
index 51aa75caf58..00000000000
--- a/demos/plane/soy/README
+++ /dev/null
@@ -1,45 +0,0 @@
-// Copyright 2009 Google LLC
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-
-Contents:
-
-+ SoyToJsSrcCompiler.jar
-    Executable jar that compiles template files into JavaScript files.
-
-+ SoyMsgExtractor.jar
-    Executable jar that extracts messages from template files into XLF files.
-
-+ soyutils.js
-    Helper utilities required by all JavaScript code that SoyToJsSrcCompiler
-    generates. Equivalent functionality to soyutils_usegoog.js, but this
-    version does not need Closure Library.
-
-
-Instructions:
-
-+ A simple Hello World for JavaScript:
-    http://code.google.com/closure/templates/docs/helloworld_js.html
-
-+ Complete documentation:
-    http://code.google.com/closure/templates/
-
-+ Closure Templates project on Google Code:
-    http://code.google.com/p/closure-templates/
-
-
-Notes:
-
-+ Closure Templates requires Java 6 or higher:
-    http://www.java.com/
diff --git a/demos/plane/soy/SoyMsgExtractor.jar b/demos/plane/soy/SoyMsgExtractor.jar
deleted file mode 100644
index d5c112f5ed6..00000000000
Binary files a/demos/plane/soy/SoyMsgExtractor.jar and /dev/null differ
diff --git a/demos/plane/soy/SoyToJsSrcCompiler.jar b/demos/plane/soy/SoyToJsSrcCompiler.jar
deleted file mode 100644
index bb3b7a9794c..00000000000
Binary files a/demos/plane/soy/SoyToJsSrcCompiler.jar and /dev/null differ
diff --git a/demos/plane/soy/soyutils.js b/demos/plane/soy/soyutils.js
deleted file mode 100644
index e18764c9145..00000000000
--- a/demos/plane/soy/soyutils.js
+++ /dev/null
@@ -1,3299 +0,0 @@
-/**
- * @license
- * Copyright 2008 Google LLC
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-/**
- * @fileoverview
- * Utility functions and classes for Soy.
- *
- * <p>
- * The top portion of this file contains utilities for Soy users:<ul>
- *   <li> soy.StringBuilder: Compatible with the 'stringbuilder' code style.
- *   <li> soy.renderElement: Render template and set as innerHTML of an element.
- *   <li> soy.renderAsFragment: Render template and return as HTML fragment.
- * </ul>
- *
- * <p>
- * The bottom portion of this file contains utilities that should only be called
- * by Soy-generated JS code. Please do not use these functions directly from
- * your hand-writen code. Their names all start with '$$'.
- *
- * @author Garrett Boyer
- * @author Mike Samuel
- * @author Kai Huang
- * @author Aharon Lanin
- */
-
-
-// COPIED FROM nogoog_shim.js
-
-// Create closure namespaces.
-var goog = goog || {};
-
-
-goog.DEBUG = false;
-
-
-goog.inherits = function(childCtor, parentCtor) {
-  /** @constructor */
-  function tempCtor() {};
-  tempCtor.prototype = parentCtor.prototype;
-  childCtor.superClass_ = parentCtor.prototype;
-  childCtor.prototype = new tempCtor();
-  childCtor.prototype.constructor = childCtor;
-
-  /**
-   * Calls superclass constructor/method.
-   * @param {!Object} me Should always be "this".
-   * @param {string} methodName
-   * @param {...*} var_args
-   * @return {?} The return value of the superclass method/constructor.
-   */
-  childCtor.base = function(me, methodName, var_args) {
-    var args = Array.prototype.slice.call(arguments, 2);
-    return parentCtor.prototype[methodName].apply(me, args);
-  };
-};
-
-
-// Just enough browser detection for this file.
-if (!goog.userAgent) {
-  goog.userAgent = (function() {
-    var userAgent = "";
-    if ("undefined" !== typeof navigator && navigator
-        && "string" == typeof navigator.userAgent) {
-      userAgent = navigator.userAgent;
-    }
-    var isOpera = userAgent.indexOf('Opera') == 0;
-    return {
-      jscript: {
-        /**
-         * @type {boolean}
-         */
-        HAS_JSCRIPT: 'ScriptEngine' in this
-      },
-      /**
-       * @type {boolean}
-       */
-      OPERA: isOpera,
-      /**
-       * @type {boolean}
-       */
-      IE: !isOpera && userAgent.indexOf('MSIE') != -1,
-      /**
-       * @type {boolean}
-       */
-      WEBKIT: !isOpera && userAgent.indexOf('WebKit') != -1
-    };
-  })();
-}
-
-if (!goog.asserts) {
-  goog.asserts = {
-    /**
-     * @param {*} condition Condition to check.
-     */
-    assert: function (condition) {
-      if (!condition) {
-        throw Error('Assertion error');
-      }
-    },
-    /**
-     * @param {...*} var_args
-     */
-    fail: function (var_args) {}
-  };
-}
-
-
-// Stub out the document wrapper used by renderAs*.
-if (!goog.dom) {
-  goog.dom = {};
-  /**
-   * @param {Document=} d
-   * @constructor
-   */
-  goog.dom.DomHelper = function(d) {
-    this.document_ = d || document;
-  };
-  /**
-   * @return {!Document}
-   */
-  goog.dom.DomHelper.prototype.getDocument = function() {
-    return this.document_;
-  };
-  /**
-   * Creates a new element.
-   * @param {string} name Tag name.
-   * @return {!Element}
-   */
-  goog.dom.DomHelper.prototype.createElement = function(name) {
-    return this.document_.createElement(name);
-  };
-  /**
-   * Creates a new document fragment.
-   * @return {!DocumentFragment}
-   */
-  goog.dom.DomHelper.prototype.createDocumentFragment = function() {
-    return this.document_.createDocumentFragment();
-  };
-}
-
-
-if (!goog.format) {
-  goog.format = {
-    insertWordBreaks: function(str, maxCharsBetweenWordBreaks) {
-      str = String(str);
-
-      var resultArr = [];
-      var resultArrLen = 0;
-
-      // These variables keep track of important state inside str.
-      var isInTag = false;  // whether we're inside an HTML tag
-      var isMaybeInEntity = false;  // whether we might be inside an HTML entity
-      var numCharsWithoutBreak = 0;  // number of chars since last word break
-      var flushIndex = 0;  // index of first char not yet flushed to resultArr
-
-      for (var i = 0, n = str.length; i < n; ++i) {
-        var charCode = str.charCodeAt(i);
-
-        // If hit maxCharsBetweenWordBreaks, and not space next, then add <wbr>.
-        if (numCharsWithoutBreak >= maxCharsBetweenWordBreaks &&
-            // space
-            charCode != 32) {
-          resultArr[resultArrLen++] = str.substring(flushIndex, i);
-          flushIndex = i;
-          resultArr[resultArrLen++] = goog.format.WORD_BREAK;
-          numCharsWithoutBreak = 0;
-        }
-
-        if (isInTag) {
-          // If inside an HTML tag and we see '>', it's the end of the tag.
-          if (charCode == 62) {
-            isInTag = false;
-          }
-
-        } else if (isMaybeInEntity) {
-          switch (charCode) {
-            // Inside an entity, a ';' is the end of the entity.
-            // The entity that just ended counts as one char, so increment
-            // numCharsWithoutBreak.
-          case 59:  // ';'
-            isMaybeInEntity = false;
-            ++numCharsWithoutBreak;
-            break;
-            // If maybe inside an entity and we see '<', we weren't actually in
-            // an entity. But now we're inside and HTML tag.
-          case 60:  // '<'
-            isMaybeInEntity = false;
-            isInTag = true;
-            break;
-            // If maybe inside an entity and we see ' ', we weren't actually in
-            // an entity. Just correct the state and reset the
-            // numCharsWithoutBreak since we just saw a space.
-          case 32:  // ' '
-            isMaybeInEntity = false;
-            numCharsWithoutBreak = 0;
-            break;
-          }
-
-        } else {  // !isInTag && !isInEntity
-          switch (charCode) {
-            // When not within a tag or an entity and we see '<', we're now
-            // inside an HTML tag.
-          case 60:  // '<'
-            isInTag = true;
-            break;
-            // When not within a tag or an entity and we see '&', we might be
-            // inside an entity.
-          case 38:  // '&'
-            isMaybeInEntity = true;
-            break;
-            // When we see a space, reset the numCharsWithoutBreak count.
-          case 32:  // ' '
-            numCharsWithoutBreak = 0;
-            break;
-            // When we see a non-space, increment the numCharsWithoutBreak.
-          default:
-            ++numCharsWithoutBreak;
-            break;
-          }
-        }
-      }
-
-      // Flush the remaining chars at the end of the string.
-      resultArr[resultArrLen++] = str.substring(flushIndex);
-
-      return resultArr.join('');
-    },
-    /**
-     * String inserted as a word break by insertWordBreaks(). Safari requires
-     * <wbr></wbr>, Opera needs the &shy; entity, though this will give a
-     * visible hyphen at breaks. IE8+ use a zero width space. Other browsers
-     * just use <wbr>.
-     * @type {string}
-     * @private
-     */
-    WORD_BREAK:
-        goog.userAgent.WEBKIT ? '<wbr></wbr>' :
-        goog.userAgent.OPERA ? '&shy;' :
-        goog.userAgent.IE ? '&#8203;' :
-        '<wbr>'
-  };
-}
-
-
-if (!goog.i18n) {
-  goog.i18n = {
-    bidi: {}
-  };
-}
-
-
-/**
- * Constant that defines whether or not the current locale is an RTL locale.
- *
- * @type {boolean}
- */
-goog.i18n.bidi.IS_RTL = false;
-
-
-/**
- * Directionality enum.
- * @enum {number}
- */
-goog.i18n.bidi.Dir = {
-  /**
-   * Left-to-right.
-   */
-  LTR: 1,
-
-  /**
-   * Right-to-left.
-   */
-  RTL: -1,
-
-  /**
-   * Neither left-to-right nor right-to-left.
-   */
-  NEUTRAL: 0,
-
-  /**
-   * A historical misnomer for NEUTRAL.
-   * @deprecated For "neutral", use NEUTRAL; for "unknown", use null.
-   */
-  UNKNOWN: 0
-};
-
-
-/**
- * Convert a directionality given in various formats to a goog.i18n.bidi.Dir
- * constant. Useful for interaction with different standards of directionality
- * representation.
- *
- * @param {goog.i18n.bidi.Dir|number|boolean|null} givenDir Directionality given
- *     in one of the following formats:
- *     1. A goog.i18n.bidi.Dir constant.
- *     2. A number (positive = LTR, negative = RTL, 0 = neutral).
- *     3. A boolean (true = RTL, false = LTR).
- *     4. A null for unknown directionality.
- * @param {boolean=} opt_noNeutral Whether a givenDir of zero or
- *     goog.i18n.bidi.Dir.NEUTRAL should be treated as null, i.e. unknown, in
- *     order to preserve legacy behavior.
- * @return {?goog.i18n.bidi.Dir} A goog.i18n.bidi.Dir constant matching the
- *     given directionality. If given null, returns null (i.e. unknown).
- */
-goog.i18n.bidi.toDir = function(givenDir, opt_noNeutral) {
-  if (typeof givenDir == 'number') {
-    // This includes the non-null goog.i18n.bidi.Dir case.
-    return givenDir > 0 ? goog.i18n.bidi.Dir.LTR :
-        givenDir < 0 ? goog.i18n.bidi.Dir.RTL :
-        opt_noNeutral ? null : goog.i18n.bidi.Dir.NEUTRAL;
-  } else if (givenDir == null) {
-    return null;
-  } else {
-    // Must be typeof givenDir == 'boolean'.
-    return givenDir ? goog.i18n.bidi.Dir.RTL : goog.i18n.bidi.Dir.LTR;
-  }
-};
-
-
-/**
- * Estimates the directionality of a string based on relative word counts.
- * If the number of RTL words is above a certain percentage of the total number
- * of strongly directional words, returns RTL.
- * Otherwise, if any words are strongly or weakly LTR, returns LTR.
- * Otherwise, returns NEUTRAL.
- * Numbers are counted as weakly LTR.
- * @param {string} str The string to be checked.
- * @param {boolean=} opt_isHtml Whether str is HTML / HTML-escaped.
- *     Default: false.
- * @return {goog.i18n.bidi.Dir} Estimated overall directionality of {@code str}.
- */
-goog.i18n.bidi.estimateDirection = function(str, opt_isHtml) {
-  var rtlCount = 0;
-  var totalCount = 0;
-  var hasWeaklyLtr = false;
-  var tokens = soyshim.$$bidiStripHtmlIfNecessary_(str, opt_isHtml).
-      split(soyshim.$$bidiWordSeparatorRe_);
-  for (var i = 0; i < tokens.length; i++) {
-    var token = tokens[i];
-    if (soyshim.$$bidiRtlDirCheckRe_.test(token)) {
-      rtlCount++;
-      totalCount++;
-    } else if (soyshim.$$bidiIsRequiredLtrRe_.test(token)) {
-      hasWeaklyLtr = true;
-    } else if (soyshim.$$bidiLtrCharRe_.test(token)) {
-      totalCount++;
-    } else if (soyshim.$$bidiHasNumeralsRe_.test(token)) {
-      hasWeaklyLtr = true;
-    }
-  }
-
-  return totalCount == 0 ?
-      (hasWeaklyLtr ? goog.i18n.bidi.Dir.LTR : goog.i18n.bidi.Dir.NEUTRAL) :
-      (rtlCount / totalCount > soyshim.$$bidiRtlDetectionThreshold_ ?
-          goog.i18n.bidi.Dir.RTL : goog.i18n.bidi.Dir.LTR);
-};
-
-
-/**
- * Utility class for formatting text for display in a potentially
- * opposite-directionality context without garbling. Provides the following
- * functionality:
- *
- * @param {goog.i18n.bidi.Dir|number|boolean|null} dir The context
- *     directionality, in one of the following formats:
- *     1. A goog.i18n.bidi.Dir constant. NEUTRAL is treated the same as null,
- *        i.e. unknown, for backward compatibility with legacy calls.
- *     2. A number (positive = LTR, negative = RTL, 0 = unknown).
- *     3. A boolean (true = RTL, false = LTR).
- *     4. A null for unknown directionality.
- * @constructor
- */
-goog.i18n.BidiFormatter = function(dir) {
-  /**
-   * The overall directionality of the context in which the formatter is being
-   * used.
-   * @type {?goog.i18n.bidi.Dir}
-   * @private
-   */
-  this.dir_ = goog.i18n.bidi.toDir(dir, true /* opt_noNeutral */);
-};
-
-/**
- * @return {?goog.i18n.bidi.Dir} The context directionality.
- */
-goog.i18n.BidiFormatter.prototype.getContextDir = function() {
-  return this.dir_;
-};
-
-/**
- * Returns 'dir="ltr"' or 'dir="rtl"', depending on the given directionality, if
- * it is not the same as the context directionality. Otherwise, returns the
- * empty string.
- *
- * @param {goog.i18n.bidi.Dir} dir A directionality.
- * @return {string} 'dir="rtl"' for RTL text in non-RTL context; 'dir="ltr"' for
- *     LTR text in non-LTR context; else, the empty string.
- */
-goog.i18n.BidiFormatter.prototype.knownDirAttr = function(dir) {
-  return !dir || dir == this.dir_ ? '' : dir < 0 ? 'dir="rtl"' : 'dir="ltr"';
-};
-
-/**
- * Returns the trailing horizontal edge, i.e. "right" or "left", depending on
- * the global bidi directionality.
- * @return {string} "left" for RTL context and "right" otherwise.
- */
-goog.i18n.BidiFormatter.prototype.endEdge = function () {
-  return this.dir_ < 0 ? 'left' : 'right';
-};
-
-/**
- * Returns the Unicode BiDi mark matching the context directionality (LRM for
- * LTR context directionality, RLM for RTL context directionality), or the
- * empty string for unknown context directionality.
- *
- * @return {string} LRM for LTR context directionality and RLM for RTL context
- *     directionality.
- */
-goog.i18n.BidiFormatter.prototype.mark = function () {
-  return (
-      (this.dir_ > 0) ? '\u200E' /*LRM*/ :
-      (this.dir_ < 0) ? '\u200F' /*RLM*/ :
-      '');
-};
-
-/**
- * Returns a Unicode bidi mark matching the context directionality (LRM or RLM)
- * if the directionality or the exit directionality of {@code text} are opposite
- * to the context directionality. Otherwise returns the empty string.
- * If opt_isHtml, makes sure to ignore the LTR nature of the mark-up and escapes
- * in text, making the logic suitable for HTML and HTML-escaped text.
- * @param {?goog.i18n.bidi.Dir} textDir {@code text}'s overall directionality,
- *     or null if unknown and needs to be estimated.
- * @param {string} text The text whose directionality is to be estimated.
- * @param {boolean=} opt_isHtml Whether text is HTML/HTML-escaped.
- *     Default: false.
- * @return {string} A Unicode bidi mark matching the context directionality, or
- *     the empty string when either the context directionality is unknown or
- *     neither the text's overall nor its exit directionality is opposite to it.
- */
-goog.i18n.BidiFormatter.prototype.markAfterKnownDir = function (
-    textDir, text, opt_isHtml) {
-  if (textDir == null) {
-    textDir = goog.i18n.bidi.estimateDirection(text, opt_isHtml);
-  }
-  return (
-      this.dir_ > 0 && (textDir < 0 ||
-          soyshim.$$bidiIsRtlExitText_(text, opt_isHtml)) ? '\u200E' : // LRM
-      this.dir_ < 0 && (textDir > 0 ||
-          soyshim.$$bidiIsLtrExitText_(text, opt_isHtml)) ? '\u200F' : // RLM
-      '');
-};
-
-/**
- * Formats an HTML string for use in HTML output of the context directionality,
- * so an opposite-directionality string is neither garbled nor garbles what
- * follows it.
- *
- * @param {?goog.i18n.bidi.Dir} textDir {@code str}'s overall directionality, or
- *     null if unknown and needs to be estimated.
- * @param {string} str The input text (HTML or HTML-escaped).
- * @param {boolean=} placeholder This argument exists for consistency with the
- *     Closure Library. Specifying it has no effect.
- * @return {string} The input text after applying the above processing.
- */
-goog.i18n.BidiFormatter.prototype.spanWrapWithKnownDir = function(
-    textDir, str, placeholder) {
-  if (textDir == null) {
-    textDir = goog.i18n.bidi.estimateDirection(str, true);
-  }
-  var reset = this.markAfterKnownDir(textDir, str, true);
-  if (textDir > 0 && this.dir_ <= 0) {
-    str = '<span dir="ltr">' + str + '</span>';
-  } else if (textDir < 0 && this.dir_ >= 0) {
-    str = '<span dir="rtl">' + str + '</span>';
-  }
-  return str + reset;
-};
-
-/**
- * Returns the leading horizontal edge, i.e. "left" or "right", depending on
- * the global bidi directionality.
- * @return {string} "right" for RTL context and "left" otherwise.
- */
-goog.i18n.BidiFormatter.prototype.startEdge = function () {
-  return this.dir_ < 0 ? 'right' : 'left';
-};
-
-/**
- * Formats an HTML-escaped string for use in HTML output of the context
- * directionality, so an opposite-directionality string is neither garbled nor
- * garbles what follows it.
- * As opposed to {@link #spanWrapWithKnownDir}, this makes use of unicode bidi
- * formatting characters. In HTML, it should only be used inside attribute
- * values and elements that do not allow markup, e.g. an 'option' tag.
- *
- * @param {?goog.i18n.bidi.Dir} textDir {@code str}'s overall directionality, or
- *     null if unknown and needs to be estimated.
- * @param {string} str The input text (HTML-escaped).
- * @param {boolean=} opt_isHtml Whether {@code str} is HTML / HTML-escaped.
- *     Default: false.
- * @return {string} The input text after applying the above processing.
- */
-goog.i18n.BidiFormatter.prototype.unicodeWrapWithKnownDir = function(
-    textDir, str, opt_isHtml) {
-  if (textDir == null) {
-    textDir = goog.i18n.bidi.estimateDirection(str, opt_isHtml);
-  }
-  var reset = this.markAfterKnownDir(textDir, str, opt_isHtml);
-  if (textDir > 0 && this.dir_ <= 0) {
-    str = '\u202A' + str + '\u202C';
-  } else if (textDir < 0 && this.dir_ >= 0) {
-    str = '\u202B' + str + '\u202C';
-  }
-  return str + reset;
-};
-
-
-if (!goog.string) {
-  goog.string = {
-    /**
-     * Converts \r\n, \r, and \n to <br>s
-     * @param {*} str The string in which to convert newlines.
-     * @param {boolean=} opt_xml Whether to use XML compatible tags.
-     * @return {string} A copy of {@code str} with converted newlines.
-     */
-    newLineToBr: function(str, opt_xml) {
-
-      str = String(str);
-
-      // This quick test helps in the case when there are no chars to replace,
-      // in the worst case this makes barely a difference to the time taken.
-      if (!goog.string.NEWLINE_TO_BR_RE_.test(str)) {
-        return str;
-      }
-
-      return str.replace(/(\r\n|\r|\n)/g, opt_xml ? '<br />' : '<br>');
-    },
-    urlEncode: encodeURIComponent,
-    /**
-     * Regular expression used within newlineToBr().
-     * @type {RegExp}
-     * @private
-     */
-    NEWLINE_TO_BR_RE_: /[\r\n]/
-  };
-}
-
-/**
- * Utility class to facilitate much faster string concatenation in IE,
- * using Array.join() rather than the '+' operator. For other browsers
- * we simply use the '+' operator.
- *
- * @param {Object|number|string|boolean=} opt_a1 Optional first initial item
- *     to append.
- * @param {...Object|number|string|boolean} var_args Other initial items to
- *     append, e.g., new goog.string.StringBuffer('foo', 'bar').
- * @constructor
- */
-goog.string.StringBuffer = function(opt_a1, var_args) {
-  /**
-   * Internal buffer for the string to be concatenated.
-   * @type {string|Array}
-   * @private
-   */
-  this.buffer_ = goog.userAgent.jscript.HAS_JSCRIPT ? [] : '';
-
-  if (opt_a1 != null) {
-    this.append.apply(this, arguments);
-  }
-};
-
-
-/**
- * Length of internal buffer (faster than calling buffer_.length).
- * Only used for IE.
- * @type {number}
- * @private
- */
-goog.string.StringBuffer.prototype.bufferLength_ = 0;
-
-/**
- * Appends one or more items to the string.
- *
- * Calling this with null, undefined, or empty arguments is an error.
- *
- * @param {Object|number|string|boolean} a1 Required first string.
- * @param {Object|number|string|boolean=} opt_a2 Optional second string.
- * @param {...Object|number|string|boolean} var_args Other items to append,
- *     e.g., sb.append('foo', 'bar', 'baz').
- * @return {goog.string.StringBuffer} This same StringBuilder object.
- */
-goog.string.StringBuffer.prototype.append = function(a1, opt_a2, var_args) {
-
-  if (goog.userAgent.jscript.HAS_JSCRIPT) {
-    if (opt_a2 == null) {  // no second argument (note: undefined == null)
-      // Array assignment is 2x faster than Array push. Also, use a1
-      // directly to avoid arguments instantiation, another 2x improvement.
-      this.buffer_[this.bufferLength_++] = a1;
-    } else {
-      var arr = /**@type {Array.<number|string|boolean>}*/(this.buffer_);
-      arr.push.apply(arr, arguments);
-      this.bufferLength_ = this.buffer_.length;
-    }
-
-  } else {
-
-    // Use a1 directly to avoid arguments instantiation for single-arg case.
-    this.buffer_ += a1;
-    if (opt_a2 != null) {  // no second argument (note: undefined == null)
-      for (var i = 1; i < arguments.length; i++) {
-        this.buffer_ += arguments[i];
-      }
-    }
-  }
-
-  return this;
-};
-
-
-/**
- * Clears the string.
- */
-goog.string.StringBuffer.prototype.clear = function() {
-
-  if (goog.userAgent.jscript.HAS_JSCRIPT) {
-     this.buffer_.length = 0;  // reuse array to avoid creating new object
-     this.bufferLength_ = 0;
-
-   } else {
-     this.buffer_ = '';
-   }
-};
-
-
-/**
- * Returns the concatenated string.
- *
- * @return {string} The concatenated string.
- */
-goog.string.StringBuffer.prototype.toString = function() {
-
-  if (goog.userAgent.jscript.HAS_JSCRIPT) {
-    var str = this.buffer_.join('');
-    // Given a string with the entire contents, simplify the StringBuilder by
-    // setting its contents to only be this string, rather than many fragments.
-    this.clear();
-    if (str) {
-      this.append(str);
-    }
-    return str;
-
-  } else {
-    return /** @type {string} */ (this.buffer_);
-  }
-};
-
-
-if (!goog.soy) goog.soy = {
-  /**
-   * Helper function to render a Soy template and then set the
-   * output string as the innerHTML of an element. It is recommended
-   * to use this helper function instead of directly setting
-   * innerHTML in your hand-written code, so that it will be easier
-   * to audit the code for cross-site scripting vulnerabilities.
-   *
-   * @param {Function} template The Soy template defining element's content.
-   * @param {Object=} opt_templateData The data for the template.
-   * @param {Object=} opt_injectedData The injected data for the template.
-   * @param {(goog.dom.DomHelper|Document)=} opt_dom The context in which DOM
-   *     nodes will be created.
-   */
-  renderAsElement: function(
-    template, opt_templateData, opt_injectedData, opt_dom) {
-    return /** @type {!Element} */ (soyshim.$$renderWithWrapper_(
-        template, opt_templateData, opt_dom, true /* asElement */,
-        opt_injectedData));
-  },
-  /**
-   * Helper function to render a Soy template into a single node or
-   * a document fragment. If the rendered HTML string represents a
-   * single node, then that node is returned (note that this is
-   * *not* a fragment, despite them name of the method). Otherwise a
-   * document fragment is returned containing the rendered nodes.
-   *
-   * @param {Function} template The Soy template defining element's content.
-   * @param {Object=} opt_templateData The data for the template.
-   * @param {Object=} opt_injectedData The injected data for the template.
-   * @param {(goog.dom.DomHelper|Document)=} opt_dom The context in which DOM
-   *     nodes will be created.
-   * @return {!Node} The resulting node or document fragment.
-   */
-  renderAsFragment: function(
-    template, opt_templateData, opt_injectedData, opt_dom) {
-    return soyshim.$$renderWithWrapper_(
-        template, opt_templateData, opt_dom, false /* asElement */,
-        opt_injectedData);
-  },
-  /**
-   * Helper function to render a Soy template and then set the output string as
-   * the innerHTML of an element. It is recommended to use this helper function
-   * instead of directly setting innerHTML in your hand-written code, so that it
-   * will be easier to audit the code for cross-site scripting vulnerabilities.
-   *
-   * NOTE: New code should consider using goog.soy.renderElement instead.
-   *
-   * @param {Element} element The element whose content we are rendering.
-   * @param {Function} template The Soy template defining the element's content.
-   * @param {Object=} opt_templateData The data for the template.
-   * @param {Object=} opt_injectedData The injected data for the template.
-   */
-  renderElement: function(
-      element, template, opt_templateData, opt_injectedData) {
-    element.innerHTML = template(opt_templateData, null, opt_injectedData);
-  },
-  data: {}
-};
-
-
-/**
- * A type of textual content.
- *
- * This is an enum of type Object so that these values are unforgeable.
- *
- * @enum {!Object}
- */
-goog.soy.data.SanitizedContentKind = {
-
-  /**
-   * A snippet of HTML that does not start or end inside a tag, comment, entity,
-   * or DOCTYPE; and that does not contain any executable code
-   * (JS, {@code <object>}s, etc.) from a different trust domain.
-   */
-  HTML: goog.DEBUG ? {sanitizedContentKindHtml: true} : {},
-
-  /**
-   * Executable Javascript code or expression, safe for insertion in a
-   * script-tag or event handler context, known to be free of any
-   * attacker-controlled scripts. This can either be side-effect-free
-   * Javascript (such as JSON) or Javascript that's entirely under Google's
-   * control.
-   */
-  JS: goog.DEBUG ? {sanitizedContentJsChars: true} : {},
-
-  /**
-   * A sequence of code units that can appear between quotes (either kind) in a
-   * JS program without causing a parse error, and without causing any side
-   * effects.
-   * <p>
-   * The content should not contain unescaped quotes, newlines, or anything else
-   * that would cause parsing to fail or to cause a JS parser to finish the
-   * string its parsing inside the content.
-   * <p>
-   * The content must also not end inside an escape sequence ; no partial octal
-   * escape sequences or odd number of '{@code \}'s at the end.
-   */
-  JS_STR_CHARS: goog.DEBUG ? {sanitizedContentJsStrChars: true} : {},
-
-  /** A properly encoded portion of a URI. */
-  URI: goog.DEBUG ? {sanitizedContentUri: true} : {},
-
-  /**
-   * Repeated attribute names and values. For example,
-   * {@code dir="ltr" foo="bar" onclick="trustedFunction()" checked}.
-   */
-  ATTRIBUTES: goog.DEBUG ? {sanitizedContentHtmlAttribute: true} : {},
-
-  // TODO: Consider separating rules, declarations, and values into
-  // separate types, but for simplicity, we'll treat explicitly blessed
-  // SanitizedContent as allowed in all of these contexts.
-  /**
-   * A CSS3 declaration, property, value or group of semicolon separated
-   * declarations.
-   */
-  CSS: goog.DEBUG ? {sanitizedContentCss: true} : {},
-
-  /**
-   * Unsanitized plain-text content.
-   *
-   * This is effectively the "null" entry of this enum, and is sometimes used
-   * to explicitly mark content that should never be used unescaped. Since any
-   * string is safe to use as text, being of ContentKind.TEXT makes no
-   * guarantees about its safety in any other context such as HTML.
-   */
-  TEXT: goog.DEBUG ? {sanitizedContentKindText: true} : {}
-};
-
-
-
-/**
- * A string-like object that carries a content-type and a content direction.
- *
- * IMPORTANT! Do not create these directly, nor instantiate the subclasses.
- * Instead, use a trusted, centrally reviewed library as endorsed by your team
- * to generate these objects. Otherwise, you risk accidentally creating
- * SanitizedContent that is attacker-controlled and gets evaluated unescaped in
- * templates.
- *
- * @constructor
- */
-goog.soy.data.SanitizedContent = function() {
-  throw Error('Do not instantiate directly');
-};
-
-
-/**
- * The context in which this content is safe from XSS attacks.
- * @type {goog.soy.data.SanitizedContentKind}
- */
-goog.soy.data.SanitizedContent.prototype.contentKind;
-
-
-/**
- * The content's direction; null if unknown and thus to be estimated when
- * necessary.
- * @type {?goog.i18n.bidi.Dir}
- */
-goog.soy.data.SanitizedContent.prototype.contentDir = null;
-
-
-/**
- * The already-safe content.
- * @type {string}
- */
-goog.soy.data.SanitizedContent.prototype.content;
-
-
-/** @override */
-goog.soy.data.SanitizedContent.prototype.toString = function() {
-  return this.content;
-};
-
-
-var soy = { esc: {} };
-var soydata = {};
-soydata.VERY_UNSAFE = {};
-var soyshim = { $$DEFAULT_TEMPLATE_DATA_: {} };
-/**
- * Helper function to render a Soy template into a single node or a document
- * fragment. If the rendered HTML string represents a single node, then that
- * node is returned. Otherwise a document fragment is created and returned
- * (wrapped in a DIV element if #opt_singleNode is true).
- *
- * @param {Function} template The Soy template defining the element's content.
- * @param {Object=} opt_templateData The data for the template.
- * @param {(goog.dom.DomHelper|Document)=} opt_dom The context in which DOM
- *     nodes will be created.
- * @param {boolean=} opt_asElement Whether to wrap the fragment in an
- *     element if the template does not render a single element. If true,
- *     result is always an Element.
- * @param {Object=} opt_injectedData The injected data for the template.
- * @return {!Node} The resulting node or document fragment.
- * @private
- */
-soyshim.$$renderWithWrapper_ = function(
-    template, opt_templateData, opt_dom, opt_asElement, opt_injectedData) {
-
-  var dom = opt_dom || document;
-  var wrapper = dom.createElement('div');
-  wrapper.innerHTML = template(
-    opt_templateData || soyshim.$$DEFAULT_TEMPLATE_DATA_, undefined,
-    opt_injectedData);
-
-  // If the template renders as a single element, return it.
-  if (wrapper.childNodes.length == 1) {
-    var firstChild = wrapper.firstChild;
-    if (!opt_asElement || firstChild.nodeType == 1 /* Element */) {
-      return /** @type {!Node} */ (firstChild);
-    }
-  }
-
-  // If we're forcing it to be a single element, return the wrapper DIV.
-  if (opt_asElement) {
-    return wrapper;
-  }
-
-  // Otherwise, create and return a fragment.
-  var fragment = dom.createDocumentFragment();
-  while (wrapper.firstChild) {
-    fragment.appendChild(wrapper.firstChild);
-  }
-  return fragment;
-};
-
-
-/**
- * Strips str of any HTML mark-up and escapes. Imprecise in several ways, but
- * precision is not very important, since the result is only meant to be used
- * for directionality detection.
- * Based on goog.i18n.bidi.stripHtmlIfNeeded_().
- * @param {string} str The string to be stripped.
- * @param {boolean=} opt_isHtml Whether str is HTML / HTML-escaped.
- *     Default: false.
- * @return {string} The stripped string.
- * @private
- */
-soyshim.$$bidiStripHtmlIfNecessary_ = function(str, opt_isHtml) {
-  return opt_isHtml ? str.replace(soyshim.$$BIDI_HTML_SKIP_RE_, '') : str;
-};
-
-
-/**
- * Simplified regular expression for am HTML tag (opening or closing) or an HTML
- * escape - the things we want to skip over in order to ignore their ltr
- * characters.
- * Copied from goog.i18n.bidi.htmlSkipReg_.
- * @type {RegExp}
- * @private
- */
-soyshim.$$BIDI_HTML_SKIP_RE_ = /<[^>]*>|&[^;]+;/g;
-
-
-/**
- * A practical pattern to identify strong LTR character. This pattern is not
- * theoretically correct according to unicode standard. It is simplified for
- * performance and small code size.
- * Copied from goog.i18n.bidi.ltrChars_.
- * @type {string}
- * @private
- */
-soyshim.$$bidiLtrChars_ =
-    'A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02B8\u0300-\u0590\u0800-\u1FFF' +
-    '\u200E\u2C00-\uFB1C\uFE00-\uFE6F\uFEFD-\uFFFF';
-
-
-/**
- * A practical pattern to identify strong RTL character. This pattern is not
- * theoretically correct according to unicode standard. It is simplified for
- * performance and small code size.
- * Copied from goog.i18n.bidi.rtlChars_.
- * @type {string}
- * @private
- */
-soyshim.$$bidiRtlChars_ = '\u0591-\u07FF\u200F\uFB1D-\uFDFF\uFE70-\uFEFC';
-
-
-/**
- * Regular expressions to check if a piece of text is of RTL directionality
- * on first character with strong directionality.
- * Based on goog.i18n.bidi.rtlDirCheckRe_.
- * @type {RegExp}
- * @private
- */
-soyshim.$$bidiRtlDirCheckRe_ = new RegExp(
-    '^[^' + soyshim.$$bidiLtrChars_ + ']*[' + soyshim.$$bidiRtlChars_ + ']');
-
-
-/**
- * Regular expression to check for LTR characters.
- * Based on goog.i18n.bidi.ltrCharReg_.
- * @type {RegExp}
- * @private
- */
-soyshim.$$bidiLtrCharRe_ = new RegExp('[' + soyshim.$$bidiLtrChars_ + ']');
-
-
-/**
- * Regular expression to check if a string looks like something that must
- * always be LTR even in RTL text, e.g. a URL. When estimating the
- * directionality of text containing these, we treat these as weakly LTR,
- * like numbers.
- * Copied from goog.i18n.bidi.isRequiredLtrRe_.
- * @type {RegExp}
- * @private
- */
-soyshim.$$bidiIsRequiredLtrRe_ = /^http:\/\/.*/;
-
-
-/**
- * Regular expression to check if a string contains any numerals. Used to
- * differentiate between completely neutral strings and those containing
- * numbers, which are weakly LTR.
- * Copied from goog.i18n.bidi.hasNumeralsRe_.
- * @type {RegExp}
- * @private
- */
-soyshim.$$bidiHasNumeralsRe_ = /\d/;
-
-
-/**
- * Regular expression to split a string into "words" for directionality
- * estimation based on relative word counts.
- * Copied from goog.i18n.bidi.wordSeparatorRe_.
- * @type {RegExp}
- * @private
- */
-soyshim.$$bidiWordSeparatorRe_ = /\s+/;
-
-
-/**
- * This constant controls threshold of rtl directionality.
- * Copied from goog.i18n.bidi.rtlDetectionThreshold_.
- * @type {number}
- * @private
- */
-soyshim.$$bidiRtlDetectionThreshold_ = 0.40;
-
-/**
- * Regular expressions to check if the last strongly-directional character in a
- * piece of text is LTR.
- * Based on goog.i18n.bidi.ltrExitDirCheckRe_.
- * @type {RegExp}
- * @private
- */
-soyshim.$$bidiLtrExitDirCheckRe_ = new RegExp(
-    '[' + soyshim.$$bidiLtrChars_ + '][^' + soyshim.$$bidiRtlChars_ + ']*$');
-
-
-/**
- * Regular expressions to check if the last strongly-directional character in a
- * piece of text is RTL.
- * Based on goog.i18n.bidi.rtlExitDirCheckRe_.
- * @type {RegExp}
- * @private
- */
-soyshim.$$bidiRtlExitDirCheckRe_ = new RegExp(
-    '[' + soyshim.$$bidiRtlChars_ + '][^' + soyshim.$$bidiLtrChars_ + ']*$');
-
-
-/**
- * Check if the exit directionality a piece of text is LTR, i.e. if the last
- * strongly-directional character in the string is LTR.
- * Based on goog.i18n.bidi.endsWithLtr().
- * @param {string} str string being checked.
- * @param {boolean=} opt_isHtml Whether str is HTML / HTML-escaped.
- *     Default: false.
- * @return {boolean} Whether LTR exit directionality was detected.
- * @private
- */
-soyshim.$$bidiIsLtrExitText_ = function(str, opt_isHtml) {
-  str = soyshim.$$bidiStripHtmlIfNecessary_(str, opt_isHtml);
-  return soyshim.$$bidiLtrExitDirCheckRe_.test(str);
-};
-
-
-/**
- * Check if the exit directionality a piece of text is RTL, i.e. if the last
- * strongly-directional character in the string is RTL.
- * Based on goog.i18n.bidi.endsWithRtl().
- * @param {string} str string being checked.
- * @param {boolean=} opt_isHtml Whether str is HTML / HTML-escaped.
- *     Default: false.
- * @return {boolean} Whether RTL exit directionality was detected.
- * @private
- */
-soyshim.$$bidiIsRtlExitText_ = function(str, opt_isHtml) {
-  str = soyshim.$$bidiStripHtmlIfNecessary_(str, opt_isHtml);
-  return soyshim.$$bidiRtlExitDirCheckRe_.test(str);
-};
-
-
-// =============================================================================
-// COPIED FROM soyutils_usegoog.js
-
-
-// -----------------------------------------------------------------------------
-// StringBuilder (compatible with the 'stringbuilder' code style).
-
-
-/**
- * Utility class to facilitate much faster string concatenation in IE,
- * using Array.join() rather than the '+' operator. For other browsers
- * we simply use the '+' operator.
- *
- * @param {Object} var_args Initial items to append,
- *     e.g., new soy.StringBuilder('foo', 'bar').
- * @constructor
- */
-soy.StringBuilder = goog.string.StringBuffer;
-
-
-// -----------------------------------------------------------------------------
-// soydata: Defines typed strings, e.g. an HTML string {@code "a<b>c"} is
-// semantically distinct from the plain text string {@code "a<b>c"} and smart
-// templates can take that distinction into account.
-
-/**
- * A type of textual content.
- *
- * This is an enum of type Object so that these values are unforgeable.
- *
- * @enum {!Object}
- */
-soydata.SanitizedContentKind = goog.soy.data.SanitizedContentKind;
-
-
-/**
- * Checks whether a given value is of a given content kind.
- *
- * @param {*} value The value to be examined.
- * @param {soydata.SanitizedContentKind} contentKind The desired content
- *     kind.
- * @return {boolean} Whether the given value is of the given kind.
- * @private
- */
-soydata.isContentKind = function(value, contentKind) {
-  // TODO(user): This function should really include the assert on
-  // value.constructor that is currently sprinkled at most of the call sites.
-  // Unfortunately, that would require a (debug-mode-only) switch statement.
-  // TODO(user): Perhaps we should get rid of the contentKind property
-  // altogether and only at the constructor.
-  return value != null && value.contentKind === contentKind;
-};
-
-
-/**
- * Returns a given value's contentDir property, constrained to a
- * goog.i18n.bidi.Dir value or null. Returns null if the value is null,
- * undefined, a primitive or does not have a contentDir property, or the
- * property's value is not 1 (for LTR), -1 (for RTL), or 0 (for neutral).
- *
- * @param {*} value The value whose contentDir property, if any, is to
- *     be returned.
- * @return {?goog.i18n.bidi.Dir} The contentDir property.
- */
-soydata.getContentDir = function(value) {
-  if (value != null) {
-    switch (value.contentDir) {
-      case goog.i18n.bidi.Dir.LTR:
-        return goog.i18n.bidi.Dir.LTR;
-      case goog.i18n.bidi.Dir.RTL:
-        return goog.i18n.bidi.Dir.RTL;
-      case goog.i18n.bidi.Dir.NEUTRAL:
-        return goog.i18n.bidi.Dir.NEUTRAL;
-    }
-  }
-  return null;
-};
-
-
-/**
- * Content of type {@link soydata.SanitizedContentKind.HTML}.
- *
- * The content is a string of HTML that can safely be embedded in a PCDATA
- * context in your app.  If you would be surprised to find that an HTML
- * sanitizer produced {@code s} (e.g.  it runs code or fetches bad URLs) and
- * you wouldn't write a template that produces {@code s} on security or privacy
- * grounds, then don't pass {@code s} here. The default content direction is
- * unknown, i.e. to be estimated when necessary.
- *
- * @constructor
- * @extends {goog.soy.data.SanitizedContent}
- */
-soydata.SanitizedHtml = function() {
-  goog.soy.data.SanitizedContent.call(this);  // Throws an exception.
-};
-goog.inherits(soydata.SanitizedHtml, goog.soy.data.SanitizedContent);
-
-/** @override */
-soydata.SanitizedHtml.prototype.contentKind = soydata.SanitizedContentKind.HTML;
-
-/**
- * Returns a SanitizedHtml object for a particular value. The content direction
- * is preserved.
- *
- * This HTML-escapes the value unless it is already SanitizedHtml.
- *
- * @param {*} value The value to convert. If it is already a SanitizedHtml
- *     object, it is left alone.
- * @return {!soydata.SanitizedHtml} A SanitizedHtml object derived from the
- *     stringified value. It is escaped unless the input is SanitizedHtml.
- */
-soydata.SanitizedHtml.from = function(value) {
-  // The check is soydata.isContentKind() inlined for performance.
-  if (value != null &&
-      value.contentKind === soydata.SanitizedContentKind.HTML) {
-    goog.asserts.assert(value.constructor === soydata.SanitizedHtml);
-    return /** @type {!soydata.SanitizedHtml} */ (value);
-  }
-  return soydata.VERY_UNSAFE.ordainSanitizedHtml(
-      soy.esc.$$escapeHtmlHelper(String(value)), soydata.getContentDir(value));
-};
-
-
-/**
- * Content of type {@link soydata.SanitizedContentKind.JS}.
- *
- * The content is Javascript source that when evaluated does not execute any
- * attacker-controlled scripts. The content direction is LTR.
- *
- * @constructor
- * @extends {goog.soy.data.SanitizedContent}
- */
-soydata.SanitizedJs = function() {
-  goog.soy.data.SanitizedContent.call(this);  // Throws an exception.
-};
-goog.inherits(soydata.SanitizedJs, goog.soy.data.SanitizedContent);
-
-/** @override */
-soydata.SanitizedJs.prototype.contentKind =
-    soydata.SanitizedContentKind.JS;
-
-/** @override */
-soydata.SanitizedJs.prototype.contentDir = goog.i18n.bidi.Dir.LTR;
-
-
-/**
- * Content of type {@link soydata.SanitizedContentKind.JS_STR_CHARS}.
- *
- * The content can be safely inserted as part of a single- or double-quoted
- * string without terminating the string. The default content direction is
- * unknown, i.e. to be estimated when necessary.
- *
- * @constructor
- * @extends {goog.soy.data.SanitizedContent}
- */
-soydata.SanitizedJsStrChars = function() {
-  goog.soy.data.SanitizedContent.call(this);  // Throws an exception.
-};
-goog.inherits(soydata.SanitizedJsStrChars, goog.soy.data.SanitizedContent);
-
-/** @override */
-soydata.SanitizedJsStrChars.prototype.contentKind =
-    soydata.SanitizedContentKind.JS_STR_CHARS;
-
-/**
- * Content of type {@link soydata.SanitizedContentKind.URI}.
- *
- * The content is a URI chunk that the caller knows is safe to emit in a
- * template. The content direction is LTR.
- *
- * @constructor
- * @extends {goog.soy.data.SanitizedContent}
- */
-soydata.SanitizedUri = function() {
-  goog.soy.data.SanitizedContent.call(this);  // Throws an exception.
-};
-goog.inherits(soydata.SanitizedUri, goog.soy.data.SanitizedContent);
-
-/** @override */
-soydata.SanitizedUri.prototype.contentKind = soydata.SanitizedContentKind.URI;
-
-/** @override */
-soydata.SanitizedUri.prototype.contentDir = goog.i18n.bidi.Dir.LTR;
-
-
-/**
- * Content of type {@link soydata.SanitizedContentKind.ATTRIBUTES}.
- *
- * The content should be safely embeddable within an open tag, such as a
- * key="value" pair. The content direction is LTR.
- *
- * @constructor
- * @extends {goog.soy.data.SanitizedContent}
- */
-soydata.SanitizedHtmlAttribute = function() {
-  goog.soy.data.SanitizedContent.call(this);  // Throws an exception.
-};
-goog.inherits(soydata.SanitizedHtmlAttribute, goog.soy.data.SanitizedContent);
-
-/** @override */
-soydata.SanitizedHtmlAttribute.prototype.contentKind =
-    soydata.SanitizedContentKind.ATTRIBUTES;
-
-/** @override */
-soydata.SanitizedHtmlAttribute.prototype.contentDir = goog.i18n.bidi.Dir.LTR;
-
-
-/**
- * Content of type {@link soydata.SanitizedContentKind.CSS}.
- *
- * The content is non-attacker-exploitable CSS, such as {@code color:#c3d9ff}.
- * The content direction is LTR.
- *
- * @constructor
- * @extends {goog.soy.data.SanitizedContent}
- */
-soydata.SanitizedCss = function() {
-  goog.soy.data.SanitizedContent.call(this);  // Throws an exception.
-};
-goog.inherits(soydata.SanitizedCss, goog.soy.data.SanitizedContent);
-
-/** @override */
-soydata.SanitizedCss.prototype.contentKind =
-    soydata.SanitizedContentKind.CSS;
-
-/** @override */
-soydata.SanitizedCss.prototype.contentDir = goog.i18n.bidi.Dir.LTR;
-
-
-/**
- * Unsanitized plain text string.
- *
- * While all strings are effectively safe to use as a plain text, there are no
- * guarantees about safety in any other context such as HTML. This is
- * sometimes used to mark that should never be used unescaped.
- *
- * @param {*} content Plain text with no guarantees.
- * @param {?goog.i18n.bidi.Dir=} opt_contentDir The content direction; null if
- *     unknown and thus to be estimated when necessary. Default: null.
- * @constructor
- * @extends {goog.soy.data.SanitizedContent}
- */
-soydata.UnsanitizedText = function(content, opt_contentDir) {
-  /** @override */
-  this.content = String(content);
-  this.contentDir = opt_contentDir != null ? opt_contentDir : null;
-};
-goog.inherits(soydata.UnsanitizedText, goog.soy.data.SanitizedContent);
-
-/** @override */
-soydata.UnsanitizedText.prototype.contentKind =
-    soydata.SanitizedContentKind.TEXT;
-
-
-/**
- * Empty string, used as a type in Soy templates.
- * @enum {string}
- * @private
- */
-soydata.$$EMPTY_STRING_ = {
-  VALUE: ''
-};
-
-
-/**
- * Creates a factory for SanitizedContent types.
- *
- * This is a hack so that the soydata.VERY_UNSAFE.ordainSanitized* can
- * instantiate Sanitized* classes, without making the Sanitized* constructors
- * publicly usable. Requiring all construction to use the VERY_UNSAFE names
- * helps callers and their reviewers easily tell that creating SanitizedContent
- * is not always safe and calls for careful review.
- *
- * @param {function(new: T)} ctor A constructor.
- * @return {!function(*, ?goog.i18n.bidi.Dir=): T} A factory that takes
- *     content and an optional content direction and returns a new instance. If
- *     the content direction is undefined, ctor.prototype.contentDir is used.
- * @template T
- * @private
- */
-soydata.$$makeSanitizedContentFactory_ = function(ctor) {
-  /** @type {function(new: goog.soy.data.SanitizedContent)} */
-  function InstantiableCtor() {}
-  InstantiableCtor.prototype = ctor.prototype;
-  /**
-   * Creates a ctor-type SanitizedContent instance.
-   *
-   * @param {*} content The content to put in the instance.
-   * @param {?goog.i18n.bidi.Dir=} opt_contentDir The content direction. If
-   *     undefined, ctor.prototype.contentDir is used.
-   * @return {goog.soy.data.SanitizedContent} The new instance. It is actually
-   *     of type T above (ctor's type, a descendant of SanitizedContent), but
-   *     there is no way to express that here.
-   */
-  function sanitizedContentFactory(content, opt_contentDir) {
-    var result = new InstantiableCtor();
-    result.content = String(content);
-    if (opt_contentDir !== undefined) {
-      result.contentDir = opt_contentDir;
-    }
-    return result;
-  }
-  return sanitizedContentFactory;
-};
-
-
-/**
- * Creates a factory for SanitizedContent types that should always have their
- * default directionality.
- *
- * This is a hack so that the soydata.VERY_UNSAFE.ordainSanitized* can
- * instantiate Sanitized* classes, without making the Sanitized* constructors
- * publicly usable. Requiring all construction to use the VERY_UNSAFE names
- * helps callers and their reviewers easily tell that creating SanitizedContent
- * is not always safe and calls for careful review.
- *
- * @param {function(new: T, string)} ctor A constructor.
- * @return {!function(*): T} A factory that takes content and returns a new
- *     instance (with default directionality, i.e. ctor.prototype.contentDir).
- * @template T
- * @private
- */
-soydata.$$makeSanitizedContentFactoryWithDefaultDirOnly_ = function(ctor) {
-  /** @type {function(new: goog.soy.data.SanitizedContent)} */
-  function InstantiableCtor() {}
-  InstantiableCtor.prototype = ctor.prototype;
-  /**
-   * Creates a ctor-type SanitizedContent instance.
-   *
-   * @param {*} content The content to put in the instance.
-   * @return {goog.soy.data.SanitizedContent} The new instance. It is actually
-   *     of type T above (ctor's type, a descendant of SanitizedContent), but
-   *     there is no way to express that here.
-   */
-  function sanitizedContentFactory(content) {
-    var result = new InstantiableCtor();
-    result.content = String(content);
-    return result;
-  }
-  return sanitizedContentFactory;
-};
-
-
-// -----------------------------------------------------------------------------
-// Sanitized content ordainers. Please use these with extreme caution (with the
-// exception of markUnsanitizedText). A good recommendation is to limit usage
-// of these to just a handful of files in your source tree where usages can be
-// carefully audited.
-
-
-/**
- * Protects a string from being used in an noAutoescaped context.
- *
- * This is useful for content where there is significant risk of accidental
- * unescaped usage in a Soy template. A great case is for user-controlled
- * data that has historically been a source of vulernabilities.
- *
- * @param {*} content Text to protect.
- * @param {?goog.i18n.bidi.Dir=} opt_contentDir The content direction; null if
- *     unknown and thus to be estimated when necessary. Default: null.
- * @return {!soydata.UnsanitizedText} A wrapper that is rejected by the
- *     Soy noAutoescape print directive.
- */
-soydata.markUnsanitizedText = function(content, opt_contentDir) {
-  return new soydata.UnsanitizedText(content, opt_contentDir);
-};
-
-
-/**
- * Takes a leap of faith that the provided content is "safe" HTML.
- *
- * @param {*} content A string of HTML that can safely be embedded in
- *     a PCDATA context in your app. If you would be surprised to find that an
- *     HTML sanitizer produced {@code s} (e.g. it runs code or fetches bad URLs)
- *     and you wouldn't write a template that produces {@code s} on security or
- *     privacy grounds, then don't pass {@code s} here.
- * @param {?goog.i18n.bidi.Dir=} opt_contentDir The content direction; null if
- *     unknown and thus to be estimated when necessary. Default: null.
- * @return {!soydata.SanitizedHtml} Sanitized content wrapper that
- *     indicates to Soy not to escape when printed as HTML.
- */
-soydata.VERY_UNSAFE.ordainSanitizedHtml =
-    soydata.$$makeSanitizedContentFactory_(soydata.SanitizedHtml);
-
-
-/**
- * Takes a leap of faith that the provided content is "safe" (non-attacker-
- * controlled, XSS-free) Javascript.
- *
- * @param {*} content Javascript source that when evaluated does not
- *     execute any attacker-controlled scripts.
- * @return {!soydata.SanitizedJs} Sanitized content wrapper that indicates to
- *     Soy not to escape when printed as Javascript source.
- */
-soydata.VERY_UNSAFE.ordainSanitizedJs =
-    soydata.$$makeSanitizedContentFactoryWithDefaultDirOnly_(
-        soydata.SanitizedJs);
-
-
-// TODO: This function is probably necessary, either externally or internally
-// as an implementation detail. Generally, plain text will always work here,
-// as there's no harm to unescaping the string and then re-escaping when
-// finally printed.
-/**
- * Takes a leap of faith that the provided content can be safely embedded in
- * a Javascript string without re-escaping.
- *
- * @param {*} content Content that can be safely inserted as part of a
- *     single- or double-quoted string without terminating the string.
- * @param {?goog.i18n.bidi.Dir=} opt_contentDir The content direction; null if
- *     unknown and thus to be estimated when necessary. Default: null.
- * @return {!soydata.SanitizedJsStrChars} Sanitized content wrapper that
- *     indicates to Soy not to escape when printed in a JS string.
- */
-soydata.VERY_UNSAFE.ordainSanitizedJsStrChars =
-    soydata.$$makeSanitizedContentFactory_(soydata.SanitizedJsStrChars);
-
-
-/**
- * Takes a leap of faith that the provided content is "safe" to use as a URI
- * in a Soy template.
- *
- * This creates a Soy SanitizedContent object which indicates to Soy there is
- * no need to escape it when printed as a URI (e.g. in an href or src
- * attribute), such as if it's already been encoded or  if it's a Javascript:
- * URI.
- *
- * @param {*} content A chunk of URI that the caller knows is safe to
- *     emit in a template.
- * @return {!soydata.SanitizedUri} Sanitized content wrapper that indicates to
- *     Soy not to escape or filter when printed in URI context.
- */
-soydata.VERY_UNSAFE.ordainSanitizedUri =
-    soydata.$$makeSanitizedContentFactoryWithDefaultDirOnly_(
-        soydata.SanitizedUri);
-
-
-/**
- * Takes a leap of faith that the provided content is "safe" to use as an
- * HTML attribute.
- *
- * @param {*} content An attribute name and value, such as
- *     {@code dir="ltr"}.
- * @return {!soydata.SanitizedHtmlAttribute} Sanitized content wrapper that
- *     indicates to Soy not to escape when printed as an HTML attribute.
- */
-soydata.VERY_UNSAFE.ordainSanitizedHtmlAttribute =
-    soydata.$$makeSanitizedContentFactoryWithDefaultDirOnly_(
-        soydata.SanitizedHtmlAttribute);
-
-
-/**
- * Takes a leap of faith that the provided content is "safe" to use as CSS
- * in a style attribute or block.
- *
- * @param {*} content CSS, such as {@code color:#c3d9ff}.
- * @return {!soydata.SanitizedCss} Sanitized CSS wrapper that indicates to
- *     Soy there is no need to escape or filter when printed in CSS context.
- */
-soydata.VERY_UNSAFE.ordainSanitizedCss =
-    soydata.$$makeSanitizedContentFactoryWithDefaultDirOnly_(
-        soydata.SanitizedCss);
-
-
-// -----------------------------------------------------------------------------
-// Public utilities.
-
-
-/**
- * Helper function to render a Soy template and then set the output string as
- * the innerHTML of an element. It is recommended to use this helper function
- * instead of directly setting innerHTML in your hand-written code, so that it
- * will be easier to audit the code for cross-site scripting vulnerabilities.
- *
- * NOTE: New code should consider using goog.soy.renderElement instead.
- *
- * @param {Element} element The element whose content we are rendering.
- * @param {Function} template The Soy template defining the element's content.
- * @param {Object=} opt_templateData The data for the template.
- * @param {Object=} opt_injectedData The injected data for the template.
- */
-soy.renderElement = goog.soy.renderElement;
-
-
-/**
- * Helper function to render a Soy template into a single node or a document
- * fragment. If the rendered HTML string represents a single node, then that
- * node is returned (note that this is *not* a fragment, despite them name of
- * the method). Otherwise a document fragment is returned containing the
- * rendered nodes.
- *
- * NOTE: New code should consider using goog.soy.renderAsFragment
- * instead (note that the arguments are different).
- *
- * @param {Function} template The Soy template defining the element's content.
- * @param {Object=} opt_templateData The data for the template.
- * @param {Document=} opt_document The document used to create DOM nodes. If not
- *     specified, global document object is used.
- * @param {Object=} opt_injectedData The injected data for the template.
- * @return {!Node} The resulting node or document fragment.
- */
-soy.renderAsFragment = function(
-    template, opt_templateData, opt_document, opt_injectedData) {
-  return goog.soy.renderAsFragment(
-      template, opt_templateData, opt_injectedData,
-      new goog.dom.DomHelper(opt_document));
-};
-
-
-/**
- * Helper function to render a Soy template into a single node. If the rendered
- * HTML string represents a single node, then that node is returned. Otherwise,
- * a DIV element is returned containing the rendered nodes.
- *
- * NOTE: New code should consider using goog.soy.renderAsElement
- * instead (note that the arguments are different).
- *
- * @param {Function} template The Soy template defining the element's content.
- * @param {Object=} opt_templateData The data for the template.
- * @param {Document=} opt_document The document used to create DOM nodes. If not
- *     specified, global document object is used.
- * @param {Object=} opt_injectedData The injected data for the template.
- * @return {!Element} Rendered template contents, wrapped in a parent DIV
- *     element if necessary.
- */
-soy.renderAsElement = function(
-    template, opt_templateData, opt_document, opt_injectedData) {
-  return goog.soy.renderAsElement(
-      template, opt_templateData, opt_injectedData,
-      new goog.dom.DomHelper(opt_document));
-};
-
-
-// -----------------------------------------------------------------------------
-// Below are private utilities to be used by Soy-generated code only.
-
-
-/**
- * Whether the locale is right-to-left.
- *
- * @type {boolean}
- */
-soy.$$IS_LOCALE_RTL = goog.i18n.bidi.IS_RTL;
-
-
-/**
- * Builds an augmented map. The returned map will contain mappings from both
- * the base map and the additional map. If the same key appears in both, then
- * the value from the additional map will be visible, while the value from the
- * base map will be hidden. The base map will be used, but not modified.
- *
- * @param {!Object} baseMap The original map to augment.
- * @param {!Object} additionalMap A map containing the additional mappings.
- * @return {!Object} An augmented map containing both the original and
- *     additional mappings.
- */
-soy.$$augmentMap = function(baseMap, additionalMap) {
-
-  // Create a new map whose '__proto__' field is set to baseMap.
-  /** @constructor */
-  function TempCtor() {}
-  TempCtor.prototype = baseMap;
-  var augmentedMap = new TempCtor();
-
-  // Add the additional mappings to the new map.
-  for (var key in additionalMap) {
-    augmentedMap[key] = additionalMap[key];
-  }
-
-  return augmentedMap;
-};
-
-
-/**
- * Checks that the given map key is a string.
- * @param {*} key Key to check.
- * @return {string} The given key.
- */
-soy.$$checkMapKey = function(key) {
-  // TODO: Support map literal with nonstring key.
-  if ((typeof key) != 'string') {
-    throw Error(
-        'Map literal\'s key expression must evaluate to string' +
-        ' (encountered type "' + (typeof key) + '").');
-  }
-  return key;
-};
-
-
-/**
- * Gets the keys in a map as an array. There are no guarantees on the order.
- * @param {Object} map The map to get the keys of.
- * @return {Array.<string>} The array of keys in the given map.
- */
-soy.$$getMapKeys = function(map) {
-  var mapKeys = [];
-  for (var key in map) {
-    mapKeys.push(key);
-  }
-  return mapKeys;
-};
-
-
-/**
- * Gets a consistent unique id for the given delegate template name. Two calls
- * to this function will return the same id if and only if the input names are
- * the same.
- *
- * <p> Important: This function must always be called with a string constant.
- *
- * <p> If Closure Compiler is not being used, then this is just this identity
- * function. If Closure Compiler is being used, then each call to this function
- * will be replaced with a short string constant, which will be consistent per
- * input name.
- *
- * @param {string} delTemplateName The delegate template name for which to get a
- *     consistent unique id.
- * @return {string} A unique id that is consistent per input name.
- *
- * @consistentIdGenerator
- */
-soy.$$getDelTemplateId = function(delTemplateName) {
-  return delTemplateName;
-};
-
-
-/**
- * Map from registered delegate template key to the priority of the
- * implementation.
- * @type {Object}
- * @private
- */
-soy.$$DELEGATE_REGISTRY_PRIORITIES_ = {};
-
-/**
- * Map from registered delegate template key to the implementation function.
- * @type {Object}
- * @private
- */
-soy.$$DELEGATE_REGISTRY_FUNCTIONS_ = {};
-
-
-/**
- * Registers a delegate implementation. If the same delegate template key (id
- * and variant) has been registered previously, then priority values are
- * compared and only the higher priority implementation is stored (if
- * priorities are equal, an error is thrown).
- *
- * @param {string} delTemplateId The delegate template id.
- * @param {string} delTemplateVariant The delegate template variant (can be
- *     empty string).
- * @param {number} delPriority The implementation's priority value.
- * @param {Function} delFn The implementation function.
- */
-soy.$$registerDelegateFn = function(
-    delTemplateId, delTemplateVariant, delPriority, delFn) {
-
-  var mapKey = 'key_' + delTemplateId + ':' + delTemplateVariant;
-  var currPriority = soy.$$DELEGATE_REGISTRY_PRIORITIES_[mapKey];
-  if (currPriority === undefined || delPriority > currPriority) {
-    // Registering new or higher-priority function: replace registry entry.
-    soy.$$DELEGATE_REGISTRY_PRIORITIES_[mapKey] = delPriority;
-    soy.$$DELEGATE_REGISTRY_FUNCTIONS_[mapKey] = delFn;
-  } else if (delPriority == currPriority) {
-    // Registering same-priority function: error.
-    throw Error(
-        'Encountered two active delegates with the same priority ("' +
-            delTemplateId + ':' + delTemplateVariant + '").');
-  } else {
-    // Registering lower-priority function: do nothing.
-  }
-};
-
-
-/**
- * Retrieves the (highest-priority) implementation that has been registered for
- * a given delegate template key (id and variant). If no implementation has
- * been registered for the key, then the fallback is the same id with empty
- * variant. If the fallback is also not registered, and allowsEmptyDefault is
- * true, then returns an implementation that is equivalent to an empty template
- * (i.e. rendered output would be empty string).
- *
- * @param {string} delTemplateId The delegate template id.
- * @param {string|number} delTemplateVariant The delegate template variant (can
- *     be an empty string, or a number when a global is used).
- * @param {boolean} allowsEmptyDefault Whether to default to the empty template
- *     function if there's no active implementation.
- * @return {Function} The retrieved implementation function.
- */
-soy.$$getDelegateFn = function(
-    delTemplateId, delTemplateVariant, allowsEmptyDefault) {
-
-  var delFn = soy.$$DELEGATE_REGISTRY_FUNCTIONS_[
-      'key_' + delTemplateId + ':' + delTemplateVariant];
-  if (! delFn && delTemplateVariant != '') {
-    // Fallback to empty variant.
-    delFn = soy.$$DELEGATE_REGISTRY_FUNCTIONS_['key_' + delTemplateId + ':'];
-  }
-
-  if (delFn) {
-    return delFn;
-  } else if (allowsEmptyDefault) {
-    return soy.$$EMPTY_TEMPLATE_FN_;
-  } else {
-    throw Error(
-        'Found no active impl for delegate call to "' + delTemplateId + ':' +
-            delTemplateVariant + '" (and not allowemptydefault="true").');
-  }
-};
-
-
-/**
- * Private helper soy.$$getDelegateFn(). This is the empty template function
- * that is returned whenever there's no delegate implementation found.
- *
- * @param {Object.<string, *>=} opt_data
- * @param {soy.StringBuilder=} opt_sb
- * @param {Object.<string, *>=} opt_ijData
- * @return {string}
- * @private
- */
-soy.$$EMPTY_TEMPLATE_FN_ = function(opt_data, opt_sb, opt_ijData) {
-  return '';
-};
-
-
-// -----------------------------------------------------------------------------
-// Internal sanitized content wrappers.
-
-
-/**
- * Creates a SanitizedContent factory for SanitizedContent types for internal
- * Soy let and param blocks.
- *
- * This is a hack within Soy so that SanitizedContent objects created via let
- * and param blocks will truth-test as false if they are empty string.
- * Tricking the Javascript runtime to treat empty SanitizedContent as falsey is
- * not possible, and changing the Soy compiler to wrap every boolean statement
- * for just this purpose is impractical.  Instead, we just avoid wrapping empty
- * string as SanitizedContent, since it's a no-op for empty strings anyways.
- *
- * @param {function(new: T)} ctor A constructor.
- * @return {!function(*, ?goog.i18n.bidi.Dir=): (T|soydata.$$EMPTY_STRING_)}
- *     A factory that takes content and an optional content direction and
- *     returns a new instance, or an empty string. If the content direction is
- *     undefined, ctor.prototype.contentDir is used.
- * @template T
- * @private
- */
-soydata.$$makeSanitizedContentFactoryForInternalBlocks_ = function(ctor) {
-  /** @type {function(new: goog.soy.data.SanitizedContent)} */
-  function InstantiableCtor() {}
-  InstantiableCtor.prototype = ctor.prototype;
-  /**
-   * Creates a ctor-type SanitizedContent instance.
-   *
-   * @param {*} content The content to put in the instance.
-   * @param {?goog.i18n.bidi.Dir=} opt_contentDir The content direction. If
-   *     undefined, ctor.prototype.contentDir is used.
-   * @return {goog.soy.data.SanitizedContent|soydata.$$EMPTY_STRING_} The new
-   *     instance, or an empty string. A new instance is actually of type T
-   *     above (ctor's type, a descendant of SanitizedContent), but there's no
-   *     way to express that here.
-   */
-  function sanitizedContentFactory(content, opt_contentDir) {
-    var contentString = String(content);
-    if (!contentString) {
-      return soydata.$$EMPTY_STRING_.VALUE;
-    }
-    var result = new InstantiableCtor();
-    result.content = String(content);
-    if (opt_contentDir !== undefined) {
-      result.contentDir = opt_contentDir;
-    }
-    return result;
-  }
-  return sanitizedContentFactory;
-};
-
-
-/**
- * Creates a SanitizedContent factory for SanitizedContent types that should
- * always have their default directionality for internal Soy let and param
- * blocks.
- *
- * This is a hack within Soy so that SanitizedContent objects created via let
- * and param blocks will truth-test as false if they are empty string.
- * Tricking the Javascript runtime to treat empty SanitizedContent as falsey is
- * not possible, and changing the Soy compiler to wrap every boolean statement
- * for just this purpose is impractical.  Instead, we just avoid wrapping empty
- * string as SanitizedContent, since it's a no-op for empty strings anyways.
- *
- * @param {function(new: T)} ctor A constructor.
- * @return {!function(*): (T|soydata.$$EMPTY_STRING_)} A
- *     factory that takes content and returns a
- *     new instance (with default directionality, i.e.
- *     ctor.prototype.contentDir), or an empty string.
- * @template T
- * @private
- */
-soydata.$$makeSanitizedContentFactoryWithDefaultDirOnlyForInternalBlocks_ =
-    function(ctor) {
-  /** @type {function(new: goog.soy.data.SanitizedContent)} */
-  function InstantiableCtor() {}
-  InstantiableCtor.prototype = ctor.prototype;
-  /**
-   * Creates a ctor-type SanitizedContent instance.
-   *
-   * @param {*} content The content to put in the instance.
-   * @return {goog.soy.data.SanitizedContent|soydata.$$EMPTY_STRING_} The new
-   *     instance, or an empty string. A new instance is actually of type T
-   *     above (ctor's type, a descendant of SanitizedContent), but there's no
-   *     way to express that here.
-   */
-  function sanitizedContentFactory(content) {
-    var contentString = String(content);
-    if (!contentString) {
-      return soydata.$$EMPTY_STRING_.VALUE;
-    }
-    var result = new InstantiableCtor();
-    result.content = String(content);
-    return result;
-  }
-  return sanitizedContentFactory;
-};
-
-
-/**
- * Creates kind="text" block contents (internal use only).
- *
- * @param {*} content Text.
- * @param {?goog.i18n.bidi.Dir=} opt_contentDir The content direction; null if
- *     unknown and thus to be estimated when necessary. Default: null.
- * @return {!soydata.UnsanitizedText|soydata.$$EMPTY_STRING_} Wrapped result.
- */
-soydata.$$markUnsanitizedTextForInternalBlocks = function(
-    content, opt_contentDir) {
-  var contentString = String(content);
-  if (!contentString) {
-    return soydata.$$EMPTY_STRING_.VALUE;
-  }
-  return new soydata.UnsanitizedText(contentString, opt_contentDir);
-};
-
-
-/**
- * Creates kind="html" block contents (internal use only).
- *
- * @param {*} content Text.
- * @param {?goog.i18n.bidi.Dir=} opt_contentDir The content direction; null if
- *     unknown and thus to be estimated when necessary. Default: null.
- * @return {soydata.SanitizedHtml|soydata.$$EMPTY_STRING_} Wrapped result.
- */
-soydata.VERY_UNSAFE.$$ordainSanitizedHtmlForInternalBlocks =
-    soydata.$$makeSanitizedContentFactoryForInternalBlocks_(
-        soydata.SanitizedHtml);
-
-
-/**
- * Creates kind="js" block contents (internal use only).
- *
- * @param {*} content Text.
- * @return {soydata.SanitizedJs|soydata.$$EMPTY_STRING_} Wrapped result.
- */
-soydata.VERY_UNSAFE.$$ordainSanitizedJsForInternalBlocks =
-    soydata.$$makeSanitizedContentFactoryWithDefaultDirOnlyForInternalBlocks_(
-        soydata.SanitizedJs);
-
-
-/**
- * Creates kind="uri" block contents (internal use only).
- *
- * @param {*} content Text.
- * @return {soydata.SanitizedUri|soydata.$$EMPTY_STRING_} Wrapped result.
- */
-soydata.VERY_UNSAFE.$$ordainSanitizedUriForInternalBlocks =
-    soydata.$$makeSanitizedContentFactoryWithDefaultDirOnlyForInternalBlocks_(
-        soydata.SanitizedUri);
-
-
-/**
- * Creates kind="attributes" block contents (internal use only).
- *
- * @param {*} content Text.
- * @return {soydata.SanitizedHtmlAttribute|soydata.$$EMPTY_STRING_} Wrapped
- *     result.
- */
-soydata.VERY_UNSAFE.$$ordainSanitizedAttributesForInternalBlocks =
-    soydata.$$makeSanitizedContentFactoryWithDefaultDirOnlyForInternalBlocks_(
-        soydata.SanitizedHtmlAttribute);
-
-
-/**
- * Creates kind="css" block contents (internal use only).
- *
- * @param {*} content Text.
- * @return {soydata.SanitizedCss|soydata.$$EMPTY_STRING_} Wrapped result.
- */
-soydata.VERY_UNSAFE.$$ordainSanitizedCssForInternalBlocks =
-    soydata.$$makeSanitizedContentFactoryWithDefaultDirOnlyForInternalBlocks_(
-        soydata.SanitizedCss);
-
-
-// -----------------------------------------------------------------------------
-// Escape/filter/normalize.
-
-
-/**
- * Returns a SanitizedHtml object for a particular value. The content direction
- * is preserved.
- *
- * This HTML-escapes the value unless it is already SanitizedHtml. Escapes
- * double quote '"' in addition to '&', '<', and '>' so that a string can be
- * included in an HTML tag attribute value within double quotes.
- *
- * @param {*} value The value to convert. If it is already a SanitizedHtml
- *     object, it is left alone.
- * @return {!soydata.SanitizedHtml} An escaped version of value.
- */
-soy.$$escapeHtml = function(value) {
-  return soydata.SanitizedHtml.from(value);
-};
-
-
-/**
- * Strips unsafe tags to convert a string of untrusted HTML into HTML that
- * is safe to embed. The content direction is preserved.
- *
- * @param {*} value The string-like value to be escaped. May not be a string,
- *     but the value will be coerced to a string.
- * @return {!soydata.SanitizedHtml} A sanitized and normalized version of value.
- */
-soy.$$cleanHtml = function(value) {
-  if (soydata.isContentKind(value, soydata.SanitizedContentKind.HTML)) {
-    goog.asserts.assert(value.constructor === soydata.SanitizedHtml);
-    return /** @type {!soydata.SanitizedHtml} */ (value);
-  }
-  return soydata.VERY_UNSAFE.ordainSanitizedHtml(
-      soy.$$stripHtmlTags(value, soy.esc.$$SAFE_TAG_ALLOWLIST_),
-      soydata.getContentDir(value));
-};
-
-
-/**
- * Escapes HTML special characters in a string so that it can be embedded in
- * RCDATA.
- * <p>
- * Escapes HTML special characters so that the value will not prematurely end
- * the body of a tag like {@code <textarea>} or {@code <title>}. RCDATA tags
- * cannot contain other HTML entities, so it is not strictly necessary to escape
- * HTML special characters except when part of that text looks like an HTML
- * entity or like a close tag : {@code </textarea>}.
- * <p>
- * Will normalize known safe HTML to make sure that sanitized HTML (which could
- * contain an innocuous {@code </textarea>} don't prematurely end an RCDATA
- * element.
- *
- * @param {*} value The string-like value to be escaped. May not be a string,
- *     but the value will be coerced to a string.
- * @return {string} An escaped version of value.
- */
-soy.$$escapeHtmlRcdata = function(value) {
-  if (soydata.isContentKind(value, soydata.SanitizedContentKind.HTML)) {
-    goog.asserts.assert(value.constructor === soydata.SanitizedHtml);
-    return soy.esc.$$normalizeHtmlHelper(value.content);
-  }
-  return soy.esc.$$escapeHtmlHelper(value);
-};
-
-
-/**
- * Matches any/only HTML5 void elements' start tags.
- * See http://www.w3.org/TR/html-markup/syntax.html#syntax-elements
- * @type {RegExp}
- * @private
- */
-soy.$$HTML5_VOID_ELEMENTS_ = new RegExp(
-    '^<(?:area|base|br|col|command|embed|hr|img|input' +
-    '|keygen|link|meta|param|source|track|wbr)\\b');
-
-
-/**
- * Removes HTML tags from a string of known safe HTML.
- * If opt_tagAllowlist is not specified or is empty, then
- * the result can be used as an attribute value.
- *
- * @param {*} value The HTML to be escaped. May not be a string, but the
- *     value will be coerced to a string.
- * @param {Object.<string, number>=} opt_tagAllowlist Has an own property whose
- *     name is a lower-case tag name and whose value is {@code 1} for
- *     each element that is allowed in the output.
- * @return {string} A representation of value without disallowed tags,
- *     HTML comments, or other non-text content.
- */
-soy.$$stripHtmlTags = function(value, opt_tagAllowlist) {
-  if (!opt_tagAllowlist) {
-    // If we have no allow-list, then use a fast track which elides all tags.
-    return String(value).replace(soy.esc.$$HTML_TAG_REGEX_, '')
-        // This is just paranoia since callers should normalize the result
-        // anyway, but if they didn't, it would be necessary to ensure that
-        // after the first replace non-tag uses of < do not recombine into
-        // tags as in "<<foo>script>alert(1337)</<foo>script>".
-        .replace(soy.esc.$$LT_REGEX_, '&lt;');
-  }
-
-  // Escapes '[' so that we can use [123] below to mark places where tags
-  // have been removed.
-  var html = String(value).replace(/\[/g, '&#91;');
-
-  // Consider all uses of '<' and replace allowlisted tags with markers like
-  // [1] which are indices into a list of approved tag names.
-  // Replace all other uses of < and > with entities.
-  var tags = [];
-  html = html.replace(
-    soy.esc.$$HTML_TAG_REGEX_,
-    function(tok, tagName) {
-      if (tagName) {
-        tagName = tagName.toLowerCase();
-        if (opt_tagAllowlist.hasOwnProperty(tagName) &&
-            opt_tagAllowlist[tagName]) {
-          var start = tok.charAt(1) === '/' ? '</' : '<';
-          var index = tags.length;
-          tags[index] = start + tagName + '>';
-          return '[' + index + ']';
-        }
-      }
-      return '';
-    });
-
-  // Escape HTML special characters. Now there are no '<' in html that could
-  // start a tag.
-  html = soy.esc.$$normalizeHtmlHelper(html);
-
-  var finalCloseTags = soy.$$balanceTags_(tags);
-
-  // Now html contains no tags or less-than characters that could become
-  // part of a tag via a replacement operation and tags only contains
-  // approved tags.
-  // Reinsert the allow-listed tags.
-  html = html.replace(
-       /\[(\d+)\]/g, function(_, index) { return tags[index]; });
-
-  // Close any still open tags.
-  // This prevents unclosed formatting elements like <ol> and <table> from
-  // breaking the layout of containing HTML.
-  return html + finalCloseTags;
-};
-
-
-/**
- * Throw out any close tags that don't correspond to start tags.
- * If {@code <table>} is used for formatting, embedded HTML shouldn't be able
- * to use a mismatched {@code </table>} to break page layout.
- *
- * @param {Array.<string>} tags an array of tags that will be modified in place
- *    include tags, the empty string, or concatenations of empty tags.
- * @return {string} zero or more closed tags that close all elements that are
- *    opened in tags but not closed.
- * @private
- */
-soy.$$balanceTags_ = function(tags) {
-  var open = [];
-  for (var i = 0, n = tags.length; i < n; ++i) {
-    var tag = tags[i];
-    if (tag.charAt(1) === '/') {
-      var openTagIndex = open.length - 1;
-      // NOTE: This is essentially lastIndexOf, but it's not supported in IE.
-      while (openTagIndex >= 0 && open[openTagIndex] != tag) {
-        openTagIndex--;
-      }
-      if (openTagIndex < 0) {
-        tags[i] = '';  // Drop close tag.
-      } else {
-        tags[i] = open.slice(openTagIndex).reverse().join('');
-        open.length = openTagIndex;
-      }
-    } else if (!soy.$$HTML5_VOID_ELEMENTS_.test(tag)) {
-      open.push('</' + tag.substring(1));
-    }
-  }
-  return open.reverse().join('');
-};
-
-
-/**
- * Escapes HTML special characters in an HTML attribute value.
- *
- * @param {*} value The HTML to be escaped. May not be a string, but the
- *     value will be coerced to a string.
- * @return {string} An escaped version of value.
- */
-soy.$$escapeHtmlAttribute = function(value) {
-  // NOTE: We don't accept ATTRIBUTES here because ATTRIBUTES is actually not
-  // the attribute value context, but instead k/v pairs.
-  if (soydata.isContentKind(value, soydata.SanitizedContentKind.HTML)) {
-    // NOTE: After removing tags, we also escape quotes ("normalize") so that
-    // the HTML can be embedded in attribute context.
-    goog.asserts.assert(value.constructor === soydata.SanitizedHtml);
-    return soy.esc.$$normalizeHtmlHelper(soy.$$stripHtmlTags(value.content));
-  }
-  return soy.esc.$$escapeHtmlHelper(value);
-};
-
-
-/**
- * Escapes HTML special characters in a string including space and other
- * characters that can end an unquoted HTML attribute value.
- *
- * @param {*} value The HTML to be escaped. May not be a string, but the
- *     value will be coerced to a string.
- * @return {string} An escaped version of value.
- */
-soy.$$escapeHtmlAttributeNospace = function(value) {
-  if (soydata.isContentKind(value, soydata.SanitizedContentKind.HTML)) {
-    goog.asserts.assert(value.constructor === soydata.SanitizedHtml);
-    return soy.esc.$$normalizeHtmlNospaceHelper(
-        soy.$$stripHtmlTags(value.content));
-  }
-  return soy.esc.$$escapeHtmlNospaceHelper(value);
-};
-
-
-/**
- * Filters out strings that cannot be a substring of a valid HTML attribute.
- *
- * Note the input is expected to be key=value pairs.
- *
- * @param {*} value The value to escape. May not be a string, but the value
- *     will be coerced to a string.
- * @return {string} A valid HTML attribute name part or name/value pair.
- *     {@code "zSoyz"} if the input is invalid.
- */
-soy.$$filterHtmlAttributes = function(value) {
-  // NOTE: Explicitly no support for SanitizedContentKind.HTML, since that is
-  // meaningless in this context, which is generally *between* html attributes.
-  if (soydata.isContentKind(value, soydata.SanitizedContentKind.ATTRIBUTES)) {
-    goog.asserts.assert(value.constructor === soydata.SanitizedHtmlAttribute);
-    // Add a space at the end to ensure this won't get merged into following
-    // attributes, unless the interpretation is unambiguous (ending with quotes
-    // or a space).
-    return value.content.replace(/([^"'\s])$/, '$1 ');
-  }
-  // TODO: Dynamically inserting attributes that aren't marked as trusted is
-  // probably unnecessary.  Any filtering done here will either be inadequate
-  // for security or not flexible enough.  Having clients use kind="attributes"
-  // in parameters seems like a wiser idea.
-  return soy.esc.$$filterHtmlAttributesHelper(value);
-};
-
-
-/**
- * Filters out strings that cannot be a substring of a valid HTML element name.
- *
- * @param {*} value The value to escape. May not be a string, but the value
- *     will be coerced to a string.
- * @return {string} A valid HTML element name part.
- *     {@code "zSoyz"} if the input is invalid.
- */
-soy.$$filterHtmlElementName = function(value) {
-  // NOTE: We don't accept any SanitizedContent here. HTML indicates valid
-  // PCDATA, not tag names. A sloppy developer shouldn't be able to cause an
-  // exploit:
-  // ... {let userInput}script src=http://evil.com/evil.js{/let} ...
-  // ... {param tagName kind="html"}{$userInput}{/param} ...
-  // ... <{$tagName}>Hello World</{$tagName}>
-  return soy.esc.$$filterHtmlElementNameHelper(value);
-};
-
-
-/**
- * Escapes characters in the value to make it valid content for a JS string
- * literal.
- *
- * @param {*} value The value to escape. May not be a string, but the value
- *     will be coerced to a string.
- * @return {string} An escaped version of value.
- * @deprecated
- */
-soy.$$escapeJs = function(value) {
-  return soy.$$escapeJsString(value);
-};
-
-
-/**
- * Escapes characters in the value to make it valid content for a JS string
- * literal.
- *
- * @param {*} value The value to escape. May not be a string, but the value
- *     will be coerced to a string.
- * @return {string} An escaped version of value.
- */
-soy.$$escapeJsString = function(value) {
-  if (soydata.isContentKind(value, soydata.SanitizedContentKind.JS_STR_CHARS)) {
-    // TODO: It might still be worthwhile to normalize it to remove
-    // unescaped quotes, null, etc: replace(/(?:^|[^\])['"]/g, '\\$
-    goog.asserts.assert(value.constructor === soydata.SanitizedJsStrChars);
-    return value.content;
-  }
-  return soy.esc.$$escapeJsStringHelper(value);
-};
-
-
-/**
- * Encodes a value as a JavaScript literal.
- *
- * @param {*} value The value to escape. May not be a string, but the value
- *     will be coerced to a string.
- * @return {string} A JavaScript code representation of the input.
- */
-soy.$$escapeJsValue = function(value) {
-  // We surround values with spaces so that they can't be interpolated into
-  // identifiers by accident.
-  // We could use parentheses but those might be interpreted as a function call.
-  if (value == null) {  // Intentionally matches undefined.
-    // Java returns null from maps where there is no corresponding key while
-    // JS returns undefined.
-    // We always output null for compatibility with Java which does not have a
-    // distinct undefined value.
-    return ' null ';
-  }
-  if (soydata.isContentKind(value, soydata.SanitizedContentKind.JS)) {
-    goog.asserts.assert(value.constructor === soydata.SanitizedJs);
-    return value.content;
-  }
-  switch (typeof value) {
-    case 'boolean': case 'number':
-      return ' ' + value + ' ';
-    default:
-      return "'" + soy.esc.$$escapeJsStringHelper(String(value)) + "'";
-  }
-};
-
-
-/**
- * Escapes characters in the string to make it valid content for a JS regular
- * expression literal.
- *
- * @param {*} value The value to escape. May not be a string, but the value
- *     will be coerced to a string.
- * @return {string} An escaped version of value.
- */
-soy.$$escapeJsRegex = function(value) {
-  return soy.esc.$$escapeJsRegexHelper(value);
-};
-
-
-/**
- * Matches all URI mark characters that conflict with HTML attribute delimiters
- * or that cannot appear in a CSS uri.
- * From <a href="http://www.w3.org/TR/CSS2/grammar.html">G.2: CSS grammar</a>
- * <pre>
- *     url        ([!#$%&*-~]|{nonascii}|{escape})*
- * </pre>
- *
- * @type {RegExp}
- * @private
- */
-soy.$$problematicUriMarks_ = /['()]/g;
-
-/**
- * @param {string} ch A single character in {@link soy.$$problematicUriMarks_}.
- * @return {string}
- * @private
- */
-soy.$$pctEncode_ = function(ch) {
-  return '%' + ch.charCodeAt(0).toString(16);
-};
-
-/**
- * Escapes a string so that it can be safely included in a URI.
- *
- * @param {*} value The value to escape. May not be a string, but the value
- *     will be coerced to a string.
- * @return {string} An escaped version of value.
- */
-soy.$$escapeUri = function(value) {
-  if (soydata.isContentKind(value, soydata.SanitizedContentKind.URI)) {
-    goog.asserts.assert(value.constructor === soydata.SanitizedUri);
-    return soy.$$normalizeUri(value);
-  }
-  // Apostophes and parentheses are not matched by encodeURIComponent.
-  // They are technically special in URIs, but only appear in the obsolete mark
-  // production in Appendix D.2 of RFC 3986, so can be encoded without changing
-  // semantics.
-  var encoded = soy.esc.$$escapeUriHelper(value);
-  soy.$$problematicUriMarks_.lastIndex = 0;
-  if (soy.$$problematicUriMarks_.test(encoded)) {
-    return encoded.replace(soy.$$problematicUriMarks_, soy.$$pctEncode_);
-  }
-  return encoded;
-};
-
-
-/**
- * Removes rough edges from a URI by escaping any raw HTML/JS string delimiters.
- *
- * @param {*} value The value to escape. May not be a string, but the value
- *     will be coerced to a string.
- * @return {string} An escaped version of value.
- */
-soy.$$normalizeUri = function(value) {
-  return soy.esc.$$normalizeUriHelper(value);
-};
-
-
-/**
- * Vets a URI's protocol and removes rough edges from a URI by escaping
- * any raw HTML/JS string delimiters.
- *
- * @param {*} value The value to escape. May not be a string, but the value
- *     will be coerced to a string.
- * @return {string} An escaped version of value.
- */
-soy.$$filterNormalizeUri = function(value) {
-  if (soydata.isContentKind(value, soydata.SanitizedContentKind.URI)) {
-    goog.asserts.assert(value.constructor === soydata.SanitizedUri);
-    return soy.$$normalizeUri(value);
-  }
-  return soy.esc.$$filterNormalizeUriHelper(value);
-};
-
-
-/**
- * Allows only data-protocol image URI's.
- *
- * @param {*} value The value to process. May not be a string, but the value
- *     will be coerced to a string.
- * @return {!soydata.SanitizedUri} An escaped version of value.
- */
-soy.$$filterImageDataUri = function(value) {
-  // NOTE: Even if it's a SanitizedUri, we will still filter it.
-  return soydata.VERY_UNSAFE.ordainSanitizedUri(
-      soy.esc.$$filterImageDataUriHelper(value));
-};
-
-
-/**
- * Escapes a string so it can safely be included inside a quoted CSS string.
- *
- * @param {*} value The value to escape. May not be a string, but the value
- *     will be coerced to a string.
- * @return {string} An escaped version of value.
- */
-soy.$$escapeCssString = function(value) {
-  return soy.esc.$$escapeCssStringHelper(value);
-};
-
-
-/**
- * Encodes a value as a CSS identifier part, keyword, or quantity.
- *
- * @param {*} value The value to escape. May not be a string, but the value
- *     will be coerced to a string.
- * @return {string} A safe CSS identifier part, keyword, or quanitity.
- */
-soy.$$filterCssValue = function(value) {
-  if (soydata.isContentKind(value, soydata.SanitizedContentKind.CSS)) {
-    goog.asserts.assert(value.constructor === soydata.SanitizedCss);
-    return value.content;
-  }
-  // Uses == to intentionally match null and undefined for Java compatibility.
-  if (value == null) {
-    return '';
-  }
-  return soy.esc.$$filterCssValueHelper(value);
-};
-
-
-/**
- * Sanity-checks noAutoescape input for explicitly tainted content.
- *
- * SanitizedContentKind.TEXT is used to explicitly mark input that was never
- * meant to be used unescaped.
- *
- * @param {*} value The value to filter.
- * @return {*} The value, that we dearly hope will not cause an attack.
- */
-soy.$$filterNoAutoescape = function(value) {
-  if (soydata.isContentKind(value, soydata.SanitizedContentKind.TEXT)) {
-    // Fail in development mode.
-    goog.asserts.fail(
-        'Tainted SanitizedContentKind.TEXT for |noAutoescape: `%s`',
-        [value.content]);
-    // Return innocuous data in production.
-    return 'zSoyz';
-  }
-
-  return value;
-};
-
-
-// -----------------------------------------------------------------------------
-// Basic directives/functions.
-
-
-/**
- * Converts \r\n, \r, and \n to <br>s
- * @param {*} value The string in which to convert newlines.
- * @return {string|!soydata.SanitizedHtml} A copy of {@code value} with
- *     converted newlines. If {@code value} is SanitizedHtml, the return value
- *     is also SanitizedHtml, of the same known directionality.
- */
-soy.$$changeNewlineToBr = function(value) {
-  var result = goog.string.newLineToBr(String(value), false);
-  if (soydata.isContentKind(value, soydata.SanitizedContentKind.HTML)) {
-    return soydata.VERY_UNSAFE.ordainSanitizedHtml(
-        result, soydata.getContentDir(value));
-  }
-  return result;
-};
-
-
-/**
- * Inserts word breaks ('wbr' tags) into a HTML string at a given interval. The
- * counter is reset if a space is encountered. Word breaks aren't inserted into
- * HTML tags or entities. Entities count towards the character count; HTML tags
- * do not.
- *
- * @param {*} value The HTML string to insert word breaks into. Can be other
- *     types, but the value will be coerced to a string.
- * @param {number} maxCharsBetweenWordBreaks Maximum number of non-space
- *     characters to allow before adding a word break.
- * @return {string|!soydata.SanitizedHtml} The string including word
- *     breaks. If {@code value} is SanitizedHtml, the return value
- *     is also SanitizedHtml, of the same known directionality.
- */
-soy.$$insertWordBreaks = function(value, maxCharsBetweenWordBreaks) {
-  var result = goog.format.insertWordBreaks(
-      String(value), maxCharsBetweenWordBreaks);
-  if (soydata.isContentKind(value, soydata.SanitizedContentKind.HTML)) {
-    return soydata.VERY_UNSAFE.ordainSanitizedHtml(
-        result, soydata.getContentDir(value));
-  }
-  return result;
-};
-
-
-/**
- * Truncates a string to a given max length (if it's currently longer),
- * optionally adding ellipsis at the end.
- *
- * @param {*} str The string to truncate. Can be other types, but the value will
- *     be coerced to a string.
- * @param {number} maxLen The maximum length of the string after truncation
- *     (including ellipsis, if applicable).
- * @param {boolean} doAddEllipsis Whether to add ellipsis if the string needs
- *     truncation.
- * @return {string} The string after truncation.
- */
-soy.$$truncate = function(str, maxLen, doAddEllipsis) {
-
-  str = String(str);
-  if (str.length <= maxLen) {
-    return str;  // no need to truncate
-  }
-
-  // If doAddEllipsis, either reduce maxLen to compensate, or else if maxLen is
-  // too small, just turn off doAddEllipsis.
-  if (doAddEllipsis) {
-    if (maxLen > 3) {
-      maxLen -= 3;
-    } else {
-      doAddEllipsis = false;
-    }
-  }
-
-  // Make sure truncating at maxLen doesn't cut up a unicode surrogate pair.
-  if (soy.$$isHighSurrogate_(str.charAt(maxLen - 1)) &&
-      soy.$$isLowSurrogate_(str.charAt(maxLen))) {
-    maxLen -= 1;
-  }
-
-  // Truncate.
-  str = str.substring(0, maxLen);
-
-  // Add ellipsis.
-  if (doAddEllipsis) {
-    str += '...';
-  }
-
-  return str;
-};
-
-/**
- * Private helper for $$truncate() to check whether a char is a high surrogate.
- * @param {string} ch The char to check.
- * @return {boolean} Whether the given char is a unicode high surrogate.
- * @private
- */
-soy.$$isHighSurrogate_ = function(ch) {
-  return 0xD800 <= ch && ch <= 0xDBFF;
-};
-
-/**
- * Private helper for $$truncate() to check whether a char is a low surrogate.
- * @param {string} ch The char to check.
- * @return {boolean} Whether the given char is a unicode low surrogate.
- * @private
- */
-soy.$$isLowSurrogate_ = function(ch) {
-  return 0xDC00 <= ch && ch <= 0xDFFF;
-};
-
-
-// -----------------------------------------------------------------------------
-// Bidi directives/functions.
-
-
-/**
- * Cache of bidi formatter by context directionality, so we don't keep on
- * creating new objects.
- * @type {!Object.<!goog.i18n.BidiFormatter>}
- * @private
- */
-soy.$$bidiFormatterCache_ = {};
-
-
-/**
- * Returns cached bidi formatter for bidiGlobalDir, or creates a new one.
- * @param {number} bidiGlobalDir The global directionality context: 1 if ltr, -1
- *     if rtl, 0 if unknown.
- * @return {goog.i18n.BidiFormatter} A formatter for bidiGlobalDir.
- * @private
- */
-soy.$$getBidiFormatterInstance_ = function(bidiGlobalDir) {
-  return soy.$$bidiFormatterCache_[bidiGlobalDir] ||
-         (soy.$$bidiFormatterCache_[bidiGlobalDir] =
-             new goog.i18n.BidiFormatter(bidiGlobalDir));
-};
-
-
-/**
- * Estimate the overall directionality of text. If opt_isHtml, makes sure to
- * ignore the LTR nature of the mark-up and escapes in text, making the logic
- * suitable for HTML and HTML-escaped text.
- * If text has a goog.i18n.bidi.Dir-valued contentDir, this is used instead of
- * estimating the directionality.
- *
- * @param {*} text The content whose directionality is to be estimated.
- * @param {boolean=} opt_isHtml Whether text is HTML/HTML-escaped.
- *     Default: false.
- * @return {number} 1 if text is LTR, -1 if it is RTL, and 0 if it is neutral.
- */
-soy.$$bidiTextDir = function(text, opt_isHtml) {
-  var contentDir = soydata.getContentDir(text);
-  if (contentDir != null) {
-    return contentDir;
-  }
-  var isHtml = opt_isHtml ||
-      soydata.isContentKind(text, soydata.SanitizedContentKind.HTML);
-  return goog.i18n.bidi.estimateDirection(text + '', isHtml);
-};
-
-
-/**
- * Returns 'dir="ltr"' or 'dir="rtl"', depending on text's estimated
- * directionality, if it is not the same as bidiGlobalDir.
- * Otherwise, returns the empty string.
- * If opt_isHtml, makes sure to ignore the LTR nature of the mark-up and escapes
- * in text, making the logic suitable for HTML and HTML-escaped text.
- * If text has a goog.i18n.bidi.Dir-valued contentDir, this is used instead of
- * estimating the directionality.
- *
- * @param {number} bidiGlobalDir The global directionality context: 1 if ltr, -1
- *     if rtl, 0 if unknown.
- * @param {*} text The content whose directionality is to be estimated.
- * @param {boolean=} opt_isHtml Whether text is HTML/HTML-escaped.
- *     Default: false.
- * @return {soydata.SanitizedHtmlAttribute} 'dir="rtl"' for RTL text in non-RTL
- *     context; 'dir="ltr"' for LTR text in non-LTR context;
- *     else, the empty string.
- */
-soy.$$bidiDirAttr = function(bidiGlobalDir, text, opt_isHtml) {
-  var formatter = soy.$$getBidiFormatterInstance_(bidiGlobalDir);
-  var contentDir = soydata.getContentDir(text);
-  if (contentDir == null) {
-    var isHtml = opt_isHtml ||
-        soydata.isContentKind(text, soydata.SanitizedContentKind.HTML);
-    contentDir = goog.i18n.bidi.estimateDirection(text + '', isHtml);
-  }
-  return soydata.VERY_UNSAFE.ordainSanitizedHtmlAttribute(
-      formatter.knownDirAttr(contentDir));
-};
-
-
-/**
- * Returns a Unicode BiDi mark matching bidiGlobalDir (LRM or RLM) if the
- * directionality or the exit directionality of text are opposite to
- * bidiGlobalDir. Otherwise returns the empty string.
- * If opt_isHtml, makes sure to ignore the LTR nature of the mark-up and escapes
- * in text, making the logic suitable for HTML and HTML-escaped text.
- * If text has a goog.i18n.bidi.Dir-valued contentDir, this is used instead of
- * estimating the directionality.
- *
- * @param {number} bidiGlobalDir The global directionality context: 1 if ltr, -1
- *     if rtl, 0 if unknown.
- * @param {*} text The content whose directionality is to be estimated.
- * @param {boolean=} opt_isHtml Whether text is HTML/HTML-escaped.
- *     Default: false.
- * @return {string} A Unicode bidi mark matching bidiGlobalDir, or the empty
- *     string when text's overall and exit directionalities both match
- *     bidiGlobalDir, or bidiGlobalDir is 0 (unknown).
- */
-soy.$$bidiMarkAfter = function(bidiGlobalDir, text, opt_isHtml) {
-  var formatter = soy.$$getBidiFormatterInstance_(bidiGlobalDir);
-  var isHtml = opt_isHtml ||
-      soydata.isContentKind(text, soydata.SanitizedContentKind.HTML);
-  return formatter.markAfterKnownDir(soydata.getContentDir(text), text + '',
-      isHtml);
-};
-
-
-/**
- * Returns text wrapped in a <span dir="ltr|rtl"> according to its
- * directionality - but only if that is neither neutral nor the same as the
- * global context. Otherwise, returns text unchanged.
- * Always treats text as HTML/HTML-escaped, i.e. ignores mark-up and escapes
- * when estimating text's directionality.
- * If text has a goog.i18n.bidi.Dir-valued contentDir, this is used instead of
- * estimating the directionality.
- *
- * @param {number} bidiGlobalDir The global directionality context: 1 if ltr, -1
- *     if rtl, 0 if unknown.
- * @param {*} text The string to be wrapped. Can be other types, but the value
- *     will be coerced to a string.
- * @return {!goog.soy.data.SanitizedContent|string} The wrapped text.
- */
-soy.$$bidiSpanWrap = function(bidiGlobalDir, text) {
-  var formatter = soy.$$getBidiFormatterInstance_(bidiGlobalDir);
-
-  // We always treat the value as HTML, because span-wrapping is only useful
-  // when its output will be treated as HTML (without escaping), and because
-  // |bidiSpanWrap is not itself specified to do HTML escaping in Soy. (Both
-  // explicit and automatic HTML escaping, if any, is done before calling
-  // |bidiSpanWrap because the BidiSpanWrapDirective Java class implements
-  // SanitizedContentOperator, but this does not mean that the input has to be
-  // HTML SanitizedContent. In legacy usage, a string that is not
-  // SanitizedContent is often printed in an autoescape="false" template or by
-  // a print with a |noAutoescape, in which case our input is just SoyData.) If
-  // the output will be treated as HTML, the input had better be safe
-  // HTML/HTML-escaped (even if it isn't HTML SanitizedData), or we have an XSS
-  // opportunity and a much bigger problem than bidi garbling.
-  var wrappedText = formatter.spanWrapWithKnownDir(
-      soydata.getContentDir(text), text + '', true /* opt_isHtml */);
-
-  // Like other directives whose Java class implements SanitizedContentOperator,
-  // |bidiSpanWrap is called after the escaping (if any) has already been done,
-  // and thus there is no need for it to produce actual SanitizedContent.
-  return wrappedText;
-};
-
-
-/**
- * Returns text wrapped in Unicode BiDi formatting characters according to its
- * directionality, i.e. either LRE or RLE at the beginning and PDF at the end -
- * but only if text's directionality is neither neutral nor the same as the
- * global context. Otherwise, returns text unchanged.
- * Only treats soydata.SanitizedHtml as HTML/HTML-escaped, i.e. ignores mark-up
- * and escapes when estimating text's directionality.
- * If text has a goog.i18n.bidi.Dir-valued contentDir, this is used instead of
- * estimating the directionality.
- *
- * @param {number} bidiGlobalDir The global directionality context: 1 if ltr, -1
- *     if rtl, 0 if unknown.
- * @param {*} text The string to be wrapped. Can be other types, but the value
- *     will be coerced to a string.
- * @return {!goog.soy.data.SanitizedContent|string} The wrapped string.
- */
-soy.$$bidiUnicodeWrap = function(bidiGlobalDir, text) {
-  var formatter = soy.$$getBidiFormatterInstance_(bidiGlobalDir);
-
-  // We treat the value as HTML if and only if it says it's HTML, even though in
-  // legacy usage, we sometimes have an HTML string (not SanitizedContent) that
-  // is passed to an autoescape="false" template or a {print $foo|noAutoescape},
-  // with the output going into an HTML context without escaping. We simply have
-  // no way of knowing if this is what is happening when we get
-  // non-SanitizedContent input, and most of the time it isn't.
-  var isHtml = soydata.isContentKind(text, soydata.SanitizedContentKind.HTML);
-  var wrappedText = formatter.unicodeWrapWithKnownDir(
-      soydata.getContentDir(text), text + '', isHtml);
-
-  // Bidi-wrapping a value converts it to the context directionality. Since it
-  // does not cost us anything, we will indicate this known direction in the
-  // output SanitizedContent, even though the intended consumer of that
-  // information - a bidi wrapping directive - has already been run.
-  var wrappedTextDir = formatter.getContextDir();
-
-  // Unicode-wrapping UnsanitizedText gives UnsanitizedText.
-  // Unicode-wrapping safe HTML or JS string data gives valid, safe HTML or JS
-  // string data.
-  // ATTENTION: Do these need to be ...ForInternalBlocks()?
-  if (soydata.isContentKind(text, soydata.SanitizedContentKind.TEXT)) {
-    return new soydata.UnsanitizedText(wrappedText, wrappedTextDir);
-  }
-  if (isHtml) {
-    return soydata.VERY_UNSAFE.ordainSanitizedHtml(wrappedText, wrappedTextDir);
-  }
-  if (soydata.isContentKind(text, soydata.SanitizedContentKind.JS_STR_CHARS)) {
-    return soydata.VERY_UNSAFE.ordainSanitizedJsStrChars(
-        wrappedText, wrappedTextDir);
-  }
-
-  // Unicode-wrapping does not conform to the syntax of the other types of
-  // content. For lack of anything better to do, we we do not declare a content
-  // kind at all by falling through to the non-SanitizedContent case below.
-  // TODO(user): Consider throwing a runtime error on receipt of
-  // SanitizedContent other than TEXT, HTML, or JS_STR_CHARS.
-
-  // The input was not SanitizedContent, so our output isn't SanitizedContent
-  // either.
-  return wrappedText;
-};
-
-
-// -----------------------------------------------------------------------------
-// Generated code.
-
-
-
-
-
-
-
-
-// START GENERATED CODE FOR ESCAPERS.
-
-/**
- * @type {function (*) : string}
- */
-soy.esc.$$escapeUriHelper = function(v) {
-  return encodeURIComponent(String(v));
-};
-
-/**
- * Maps characters to the escaped versions for the named escape directives.
- * @type {Object.<string, string>}
- * @private
- */
-soy.esc.$$ESCAPE_MAP_FOR_ESCAPE_HTML__AND__NORMALIZE_HTML__AND__ESCAPE_HTML_NOSPACE__AND__NORMALIZE_HTML_NOSPACE_ = {
-  '\x00': '\x26#0;',
-  '\x22': '\x26quot;',
-  '\x26': '\x26amp;',
-  '\x27': '\x26#39;',
-  '\x3c': '\x26lt;',
-  '\x3e': '\x26gt;',
-  '\x09': '\x26#9;',
-  '\x0a': '\x26#10;',
-  '\x0b': '\x26#11;',
-  '\x0c': '\x26#12;',
-  '\x0d': '\x26#13;',
-  ' ': '\x26#32;',
-  '-': '\x26#45;',
-  '\/': '\x26#47;',
-  '\x3d': '\x26#61;',
-  '`': '\x26#96;',
-  '\x85': '\x26#133;',
-  '\xa0': '\x26#160;',
-  '\u2028': '\x26#8232;',
-  '\u2029': '\x26#8233;'
-};
-
-/**
- * A function that can be used with String.replace.
- * @param {string} ch A single character matched by a compatible matcher.
- * @return {string} A token in the output language.
- * @private
- */
-soy.esc.$$REPLACER_FOR_ESCAPE_HTML__AND__NORMALIZE_HTML__AND__ESCAPE_HTML_NOSPACE__AND__NORMALIZE_HTML_NOSPACE_ = function(ch) {
-  return soy.esc.$$ESCAPE_MAP_FOR_ESCAPE_HTML__AND__NORMALIZE_HTML__AND__ESCAPE_HTML_NOSPACE__AND__NORMALIZE_HTML_NOSPACE_[ch];
-};
-
-/**
- * Maps characters to the escaped versions for the named escape directives.
- * @type {Object.<string, string>}
- * @private
- */
-soy.esc.$$ESCAPE_MAP_FOR_ESCAPE_JS_STRING__AND__ESCAPE_JS_REGEX_ = {
-  '\x00': '\\x00',
-  '\x08': '\\x08',
-  '\x09': '\\t',
-  '\x0a': '\\n',
-  '\x0b': '\\x0b',
-  '\x0c': '\\f',
-  '\x0d': '\\r',
-  '\x22': '\\x22',
-  '\x26': '\\x26',
-  '\x27': '\\x27',
-  '\/': '\\\/',
-  '\x3c': '\\x3c',
-  '\x3d': '\\x3d',
-  '\x3e': '\\x3e',
-  '\\': '\\\\',
-  '\x85': '\\x85',
-  '\u2028': '\\u2028',
-  '\u2029': '\\u2029',
-  '$': '\\x24',
-  '(': '\\x28',
-  ')': '\\x29',
-  '*': '\\x2a',
-  '+': '\\x2b',
-  ',': '\\x2c',
-  '-': '\\x2d',
-  '.': '\\x2e',
-  ':': '\\x3a',
-  '?': '\\x3f',
-  '[': '\\x5b',
-  ']': '\\x5d',
-  '^': '\\x5e',
-  '{': '\\x7b',
-  '|': '\\x7c',
-  '}': '\\x7d'
-};
-
-/**
- * A function that can be used with String.replace.
- * @param {string} ch A single character matched by a compatible matcher.
- * @return {string} A token in the output language.
- * @private
- */
-soy.esc.$$REPLACER_FOR_ESCAPE_JS_STRING__AND__ESCAPE_JS_REGEX_ = function(ch) {
-  return soy.esc.$$ESCAPE_MAP_FOR_ESCAPE_JS_STRING__AND__ESCAPE_JS_REGEX_[ch];
-};
-
-/**
- * Maps characters to the escaped versions for the named escape directives.
- * @type {Object.<string, string>}
- * @private
- */
-soy.esc.$$ESCAPE_MAP_FOR_ESCAPE_CSS_STRING_ = {
-  '\x00': '\\0 ',
-  '\x08': '\\8 ',
-  '\x09': '\\9 ',
-  '\x0a': '\\a ',
-  '\x0b': '\\b ',
-  '\x0c': '\\c ',
-  '\x0d': '\\d ',
-  '\x22': '\\22 ',
-  '\x26': '\\26 ',
-  '\x27': '\\27 ',
-  '(': '\\28 ',
-  ')': '\\29 ',
-  '*': '\\2a ',
-  '\/': '\\2f ',
-  ':': '\\3a ',
-  ';': '\\3b ',
-  '\x3c': '\\3c ',
-  '\x3d': '\\3d ',
-  '\x3e': '\\3e ',
-  '@': '\\40 ',
-  '\\': '\\5c ',
-  '{': '\\7b ',
-  '}': '\\7d ',
-  '\x85': '\\85 ',
-  '\xa0': '\\a0 ',
-  '\u2028': '\\2028 ',
-  '\u2029': '\\2029 '
-};
-
-/**
- * A function that can be used with String.replace.
- * @param {string} ch A single character matched by a compatible matcher.
- * @return {string} A token in the output language.
- * @private
- */
-soy.esc.$$REPLACER_FOR_ESCAPE_CSS_STRING_ = function(ch) {
-  return soy.esc.$$ESCAPE_MAP_FOR_ESCAPE_CSS_STRING_[ch];
-};
-
-/**
- * Maps characters to the escaped versions for the named escape directives.
- * @type {Object.<string, string>}
- * @private
- */
-soy.esc.$$ESCAPE_MAP_FOR_NORMALIZE_URI__AND__FILTER_NORMALIZE_URI_ = {
-  '\x00': '%00',
-  '\x01': '%01',
-  '\x02': '%02',
-  '\x03': '%03',
-  '\x04': '%04',
-  '\x05': '%05',
-  '\x06': '%06',
-  '\x07': '%07',
-  '\x08': '%08',
-  '\x09': '%09',
-  '\x0a': '%0A',
-  '\x0b': '%0B',
-  '\x0c': '%0C',
-  '\x0d': '%0D',
-  '\x0e': '%0E',
-  '\x0f': '%0F',
-  '\x10': '%10',
-  '\x11': '%11',
-  '\x12': '%12',
-  '\x13': '%13',
-  '\x14': '%14',
-  '\x15': '%15',
-  '\x16': '%16',
-  '\x17': '%17',
-  '\x18': '%18',
-  '\x19': '%19',
-  '\x1a': '%1A',
-  '\x1b': '%1B',
-  '\x1c': '%1C',
-  '\x1d': '%1D',
-  '\x1e': '%1E',
-  '\x1f': '%1F',
-  ' ': '%20',
-  '\x22': '%22',
-  '\x27': '%27',
-  '(': '%28',
-  ')': '%29',
-  '\x3c': '%3C',
-  '\x3e': '%3E',
-  '\\': '%5C',
-  '{': '%7B',
-  '}': '%7D',
-  '\x7f': '%7F',
-  '\x85': '%C2%85',
-  '\xa0': '%C2%A0',
-  '\u2028': '%E2%80%A8',
-  '\u2029': '%E2%80%A9',
-  '\uff01': '%EF%BC%81',
-  '\uff03': '%EF%BC%83',
-  '\uff04': '%EF%BC%84',
-  '\uff06': '%EF%BC%86',
-  '\uff07': '%EF%BC%87',
-  '\uff08': '%EF%BC%88',
-  '\uff09': '%EF%BC%89',
-  '\uff0a': '%EF%BC%8A',
-  '\uff0b': '%EF%BC%8B',
-  '\uff0c': '%EF%BC%8C',
-  '\uff0f': '%EF%BC%8F',
-  '\uff1a': '%EF%BC%9A',
-  '\uff1b': '%EF%BC%9B',
-  '\uff1d': '%EF%BC%9D',
-  '\uff1f': '%EF%BC%9F',
-  '\uff20': '%EF%BC%A0',
-  '\uff3b': '%EF%BC%BB',
-  '\uff3d': '%EF%BC%BD'
-};
-
-/**
- * A function that can be used with String.replace.
- * @param {string} ch A single character matched by a compatible matcher.
- * @return {string} A token in the output language.
- * @private
- */
-soy.esc.$$REPLACER_FOR_NORMALIZE_URI__AND__FILTER_NORMALIZE_URI_ = function(ch) {
-  return soy.esc.$$ESCAPE_MAP_FOR_NORMALIZE_URI__AND__FILTER_NORMALIZE_URI_[ch];
-};
-
-/**
- * Matches characters that need to be escaped for the named directives.
- * @type RegExp
- * @private
- */
-soy.esc.$$MATCHER_FOR_ESCAPE_HTML_ = /[\x00\x22\x26\x27\x3c\x3e]/g;
-
-/**
- * Matches characters that need to be escaped for the named directives.
- * @type RegExp
- * @private
- */
-soy.esc.$$MATCHER_FOR_NORMALIZE_HTML_ = /[\x00\x22\x27\x3c\x3e]/g;
-
-/**
- * Matches characters that need to be escaped for the named directives.
- * @type RegExp
- * @private
- */
-soy.esc.$$MATCHER_FOR_ESCAPE_HTML_NOSPACE_ = /[\x00\x09-\x0d \x22\x26\x27\x2d\/\x3c-\x3e`\x85\xa0\u2028\u2029]/g;
-
-/**
- * Matches characters that need to be escaped for the named directives.
- * @type RegExp
- * @private
- */
-soy.esc.$$MATCHER_FOR_NORMALIZE_HTML_NOSPACE_ = /[\x00\x09-\x0d \x22\x27\x2d\/\x3c-\x3e`\x85\xa0\u2028\u2029]/g;
-
-/**
- * Matches characters that need to be escaped for the named directives.
- * @type RegExp
- * @private
- */
-soy.esc.$$MATCHER_FOR_ESCAPE_JS_STRING_ = /[\x00\x08-\x0d\x22\x26\x27\/\x3c-\x3e\\\x85\u2028\u2029]/g;
-
-/**
- * Matches characters that need to be escaped for the named directives.
- * @type RegExp
- * @private
- */
-soy.esc.$$MATCHER_FOR_ESCAPE_JS_REGEX_ = /[\x00\x08-\x0d\x22\x24\x26-\/\x3a\x3c-\x3f\x5b-\x5e\x7b-\x7d\x85\u2028\u2029]/g;
-
-/**
- * Matches characters that need to be escaped for the named directives.
- * @type RegExp
- * @private
- */
-soy.esc.$$MATCHER_FOR_ESCAPE_CSS_STRING_ = /[\x00\x08-\x0d\x22\x26-\x2a\/\x3a-\x3e@\\\x7b\x7d\x85\xa0\u2028\u2029]/g;
-
-/**
- * Matches characters that need to be escaped for the named directives.
- * @type RegExp
- * @private
- */
-soy.esc.$$MATCHER_FOR_NORMALIZE_URI__AND__FILTER_NORMALIZE_URI_ = /[\x00- \x22\x27-\x29\x3c\x3e\\\x7b\x7d\x7f\x85\xa0\u2028\u2029\uff01\uff03\uff04\uff06-\uff0c\uff0f\uff1a\uff1b\uff1d\uff1f\uff20\uff3b\uff3d]/g;
-
-/**
- * A pattern that vets values produced by the named directives.
- * @type RegExp
- * @private
- */
-soy.esc.$$FILTER_FOR_FILTER_CSS_VALUE_ = /^(?!-*(?:expression|(?:moz-)?binding))(?:[.#]?-?(?:[_a-z0-9-]+)(?:-[_a-z0-9-]+)*-?|-?(?:[0-9]+(?:\.[0-9]*)?|\.[0-9]+)(?:[a-z]{1,2}|%)?|!important|)$/i;
-
-/**
- * A pattern that vets values produced by the named directives.
- * @type RegExp
- * @private
- */
-soy.esc.$$FILTER_FOR_FILTER_NORMALIZE_URI_ = /^(?:(?:https?|mailto):|[^&:\/?#]*(?:[\/?#]|$))/i;
-
-/**
- * A pattern that vets values produced by the named directives.
- * @type RegExp
- * @private
- */
-soy.esc.$$FILTER_FOR_FILTER_IMAGE_DATA_URI_ = /^data:image\/(?:bmp|gif|jpe?g|png|tiff|webp);base64,[a-z0-9+\/]+=*$/i;
-
-/**
- * A pattern that vets values produced by the named directives.
- * @type RegExp
- * @private
- */
-soy.esc.$$FILTER_FOR_FILTER_HTML_ATTRIBUTES_ = /^(?!style|on|action|archive|background|cite|classid|codebase|data|dsync|href|longdesc|src|usemap)(?:[a-z0-9_$:-]*)$/i;
-
-/**
- * A pattern that vets values produced by the named directives.
- * @type RegExp
- * @private
- */
-soy.esc.$$FILTER_FOR_FILTER_HTML_ELEMENT_NAME_ = /^(?!script|style|title|textarea|xmp|no)[a-z0-9_$:-]*$/i;
-
-/**
- * A helper for the Soy directive |escapeHtml
- * @param {*} value Can be of any type but will be coerced to a string.
- * @return {string} The escaped text.
- */
-soy.esc.$$escapeHtmlHelper = function(value) {
-  var str = String(value);
-  return str.replace(
-      soy.esc.$$MATCHER_FOR_ESCAPE_HTML_,
-      soy.esc.$$REPLACER_FOR_ESCAPE_HTML__AND__NORMALIZE_HTML__AND__ESCAPE_HTML_NOSPACE__AND__NORMALIZE_HTML_NOSPACE_);
-};
-
-/**
- * A helper for the Soy directive |normalizeHtml
- * @param {*} value Can be of any type but will be coerced to a string.
- * @return {string} The escaped text.
- */
-soy.esc.$$normalizeHtmlHelper = function(value) {
-  var str = String(value);
-  return str.replace(
-      soy.esc.$$MATCHER_FOR_NORMALIZE_HTML_,
-      soy.esc.$$REPLACER_FOR_ESCAPE_HTML__AND__NORMALIZE_HTML__AND__ESCAPE_HTML_NOSPACE__AND__NORMALIZE_HTML_NOSPACE_);
-};
-
-/**
- * A helper for the Soy directive |escapeHtmlNospace
- * @param {*} value Can be of any type but will be coerced to a string.
- * @return {string} The escaped text.
- */
-soy.esc.$$escapeHtmlNospaceHelper = function(value) {
-  var str = String(value);
-  return str.replace(
-      soy.esc.$$MATCHER_FOR_ESCAPE_HTML_NOSPACE_,
-      soy.esc.$$REPLACER_FOR_ESCAPE_HTML__AND__NORMALIZE_HTML__AND__ESCAPE_HTML_NOSPACE__AND__NORMALIZE_HTML_NOSPACE_);
-};
-
-/**
- * A helper for the Soy directive |normalizeHtmlNospace
- * @param {*} value Can be of any type but will be coerced to a string.
- * @return {string} The escaped text.
- */
-soy.esc.$$normalizeHtmlNospaceHelper = function(value) {
-  var str = String(value);
-  return str.replace(
-      soy.esc.$$MATCHER_FOR_NORMALIZE_HTML_NOSPACE_,
-      soy.esc.$$REPLACER_FOR_ESCAPE_HTML__AND__NORMALIZE_HTML__AND__ESCAPE_HTML_NOSPACE__AND__NORMALIZE_HTML_NOSPACE_);
-};
-
-/**
- * A helper for the Soy directive |escapeJsString
- * @param {*} value Can be of any type but will be coerced to a string.
- * @return {string} The escaped text.
- */
-soy.esc.$$escapeJsStringHelper = function(value) {
-  var str = String(value);
-  return str.replace(
-      soy.esc.$$MATCHER_FOR_ESCAPE_JS_STRING_,
-      soy.esc.$$REPLACER_FOR_ESCAPE_JS_STRING__AND__ESCAPE_JS_REGEX_);
-};
-
-/**
- * A helper for the Soy directive |escapeJsRegex
- * @param {*} value Can be of any type but will be coerced to a string.
- * @return {string} The escaped text.
- */
-soy.esc.$$escapeJsRegexHelper = function(value) {
-  var str = String(value);
-  return str.replace(
-      soy.esc.$$MATCHER_FOR_ESCAPE_JS_REGEX_,
-      soy.esc.$$REPLACER_FOR_ESCAPE_JS_STRING__AND__ESCAPE_JS_REGEX_);
-};
-
-/**
- * A helper for the Soy directive |escapeCssString
- * @param {*} value Can be of any type but will be coerced to a string.
- * @return {string} The escaped text.
- */
-soy.esc.$$escapeCssStringHelper = function(value) {
-  var str = String(value);
-  return str.replace(
-      soy.esc.$$MATCHER_FOR_ESCAPE_CSS_STRING_,
-      soy.esc.$$REPLACER_FOR_ESCAPE_CSS_STRING_);
-};
-
-/**
- * A helper for the Soy directive |filterCssValue
- * @param {*} value Can be of any type but will be coerced to a string.
- * @return {string} The escaped text.
- */
-soy.esc.$$filterCssValueHelper = function(value) {
-  var str = String(value);
-  if (!soy.esc.$$FILTER_FOR_FILTER_CSS_VALUE_.test(str)) {
-    return 'zSoyz';
-  }
-  return str;
-};
-
-/**
- * A helper for the Soy directive |normalizeUri
- * @param {*} value Can be of any type but will be coerced to a string.
- * @return {string} The escaped text.
- */
-soy.esc.$$normalizeUriHelper = function(value) {
-  var str = String(value);
-  return str.replace(
-      soy.esc.$$MATCHER_FOR_NORMALIZE_URI__AND__FILTER_NORMALIZE_URI_,
-      soy.esc.$$REPLACER_FOR_NORMALIZE_URI__AND__FILTER_NORMALIZE_URI_);
-};
-
-/**
- * A helper for the Soy directive |filterNormalizeUri
- * @param {*} value Can be of any type but will be coerced to a string.
- * @return {string} The escaped text.
- */
-soy.esc.$$filterNormalizeUriHelper = function(value) {
-  var str = String(value);
-  if (!soy.esc.$$FILTER_FOR_FILTER_NORMALIZE_URI_.test(str)) {
-    return '#zSoyz';
-  }
-  return str.replace(
-      soy.esc.$$MATCHER_FOR_NORMALIZE_URI__AND__FILTER_NORMALIZE_URI_,
-      soy.esc.$$REPLACER_FOR_NORMALIZE_URI__AND__FILTER_NORMALIZE_URI_);
-};
-
-/**
- * A helper for the Soy directive |filterImageDataUri
- * @param {*} value Can be of any type but will be coerced to a string.
- * @return {string} The escaped text.
- */
-soy.esc.$$filterImageDataUriHelper = function(value) {
-  var str = String(value);
-  if (!soy.esc.$$FILTER_FOR_FILTER_IMAGE_DATA_URI_.test(str)) {
-    return 'data:image/gif;base64,zSoyz';
-  }
-  return str;
-};
-
-/**
- * A helper for the Soy directive |filterHtmlAttributes
- * @param {*} value Can be of any type but will be coerced to a string.
- * @return {string} The escaped text.
- */
-soy.esc.$$filterHtmlAttributesHelper = function(value) {
-  var str = String(value);
-  if (!soy.esc.$$FILTER_FOR_FILTER_HTML_ATTRIBUTES_.test(str)) {
-    return 'zSoyz';
-  }
-  return str;
-};
-
-/**
- * A helper for the Soy directive |filterHtmlElementName
- * @param {*} value Can be of any type but will be coerced to a string.
- * @return {string} The escaped text.
- */
-soy.esc.$$filterHtmlElementNameHelper = function(value) {
-  var str = String(value);
-  if (!soy.esc.$$FILTER_FOR_FILTER_HTML_ELEMENT_NAME_.test(str)) {
-    return 'zSoyz';
-  }
-  return str;
-};
-
-/**
- * Matches all tags, HTML comments, and DOCTYPEs in tag soup HTML.
- * By removing these, and replacing any '<' or '>' characters with
- * entities we guarantee that the result can be embedded into a
- * an attribute without introducing a tag boundary.
- *
- * @type {RegExp}
- * @private
- */
-soy.esc.$$HTML_TAG_REGEX_ = /<(?:!|\/?([a-zA-Z][a-zA-Z0-9:\-]*))(?:[^>'"]|"[^"]*"|'[^']*')*>/g;
-
-/**
- * Matches all occurrences of '<'.
- *
- * @type {RegExp}
- * @private
- */
-soy.esc.$$LT_REGEX_ = /</g;
-
-/**
- * Maps lower-case names of innocuous tags to 1.
- *
- * @type {Object.<string,number>}
- * @private
- */
-soy.esc.$$SAFE_TAG_ALLOWLIST_ = {'b': 1, 'br': 1, 'em': 1, 'i': 1, 's': 1, 'sub': 1, 'sup': 1, 'u': 1};
-
-// END GENERATED CODE
diff --git a/demos/plane/style.css b/demos/plane/style.css
deleted file mode 100644
index 16e2c6f412a..00000000000
--- a/demos/plane/style.css
+++ /dev/null
@@ -1,97 +0,0 @@
-body {
-  background-color: #fff;
-  font-family: sans-serif;
-  margin-top: 0;
-}
-h1 {
-  font-weight: normal;
-  font-size: 140%;
-}
-.farSide {
-  text-align: right;
-}
-html[dir="RTL"] .farSide {
-  text-align: left;
-}
-.tab {
-  padding: 6px 12px;
-  text-decoration: none;
-  color: #000;
-}
-#selected {
-  font-weight: bold;
-  background-color: #ddd;
-  border-radius: 20px;
-}
-
-/* Pulse the language menu once to draw attention to it. */
-#languageBorder {
-  border-radius: 4px;
-  animation: pulse 2s ease-in-out forwards;
-  animation-delay: 2s;
-}
-@keyframes pulse {
-    0% { background-color: #fff }
-    50% { background-color: #f00 }
-    100% { background-color: #fff }
-}
-
-#blockly {
-  height: 300px;
-  width: 100%;
-  border-style: solid;
-  border-color: #ddd;
-  border-width: 0 1px 1px 0;
-}
-
-/* SVG Plane. */
-#plane {
-  overflow: hidden;
-}
-#fuselage {
-  fill: #fff;
-  stroke: #000;
-}
-#wing, #tail {
-  fill: #ddd;
-  stroke: #444;
-}
-.crew {
-  fill: #f44;
-  stroke: #000;
-}
-.seat1st {
-  fill: #88f;
-  stroke: #000;
-}
-.seat2nd {
-  fill: #8b8;
-  stroke: #000;
-}
-#seatYes, #seatNo {
-  font-size: 40pt;
-}
-text {
-  font-family: sans-serif;
-  font-size: 20pt;
-  fill: #444;
-}
-html[dir="RTL"] #plane text {
-  text-anchor: end;
-}
-
-/* Slider. */
-.sliderTrack {
-  stroke: #aaa;
-  stroke-width: 6px;
-  stroke-linecap: round;
-}
-.sliderKnob {
-  fill: #ddd;
-  stroke: #bbc;
-  stroke-width: 1px;
-  stroke-linejoin: round;
-}
-.sliderKnob:hover {
-  fill: #eee;
-}
diff --git a/demos/plane/template.soy b/demos/plane/template.soy
deleted file mode 100644
index cbccc9ae467..00000000000
--- a/demos/plane/template.soy
+++ /dev/null
@@ -1,225 +0,0 @@
-{namespace planepage}
-
-/**
- * This is a Closure Template.
- *
- * See the README.txt for details.
- */
-
-/**
- * Translated messages for use in JavaScript.
- */
-{template .messages}
-  <div style="display: none">
-    <span id="Plane_rows">{msg meaning="Plane.rows" desc="page text - Total number of rows of seats on an airplane.\n\nParameters:\n* %1 - number of rows of seats on an airplane.  It is always an integer greater than or equal to zero."}Rows: %1{/msg}</span>
-    <span id="Plane_getRows">{msg meaning="Plane.getRows" desc="block text - The number of rows on the airplane, to be used in a mathematical equation, such as: 'seats = 4 x '''rows (5)''''.\n\nParameters:\n* %1 - number of rows of seats on an airplane.  It is always an integer greater than or equal to zero."}rows (%1){/msg}</span>
-    <span id="Plane_rows1">{msg meaning="Plane.rows1" desc="page text - The number of rows of first-class seats on the airplane.  You can see the block at [http://blockly-share.appspot.com/static/apps/plane/plane.html?lang=en&level=3].\n\nParameters:\n* %1 - number of rows of first-class seats on an airplane.  It is always an integer greater than or equal to zero."}1st class rows: %1{/msg}</span>
-    <span id="Plane_getRows1">{msg meaning="Plane.getRows1" desc="block text - The number of rows of first-class seats on the, to be used in a mathematical equation.  See [http://blockly-share.appspot.com/static/apps/plane/plane.html?lang=en&level=3].\n\nParameters:\n* %1 - number of rows of first-class seats on an airplane.  It is always an integer greater than or equal to zero."}1st class rows (%1){/msg}</span>
-    <span id="Plane_rows2">{msg meaning="Plane.rows2" desc="page text - The number of rows of second-class seats on the airplane.  %1 is an integer greater or equal to zero.  See [http://blockly-share.appspot.com/static/apps/plane/plane.html?lang=en&level=3].\n\nParameters:\n* %1 - number of rows of second-class seats on an airplane.  It is always an integer greater than or equal to zero."}2nd class rows: %1{/msg}</span>
-    <span id="Plane_getRows2">{msg meaning="Plane.getRows2" desc="block text - The number of rows of second-class (also called 'economy class') seats on the airplane, to be used in a mathematical expression.\n\nParameters:\n* %1 - number of rows of second-class seats on an airplane.  It is always an integer greater than or equal to zero."}2nd class rows (%1){/msg}</span>
-    <span id="Plane_seats">{msg meaning="Plane.seats" desc="page text - The total number of seats on the airplane.\n\nParameters:\n* %1 - number of seats on an airplane.  It is always either the next message or an integer greater than or equal to zero."}Seats: %1{/msg}</span>
-    <span id="Plane_placeholder">{msg meaning="Plane.placeholder" desc="page text - A word or symbol indicating that this numeric value has not yet been determined."}?{/msg}</span>
-    <span id="Plane_setSeats">{msg meaning="Plane.setSeats" desc="block text - The first half of a mathematical equation determining the number of seats in an airplane, such as: ''''seats =''' 4 x rows'."}seats ={/msg}</span>
-  </div>
-{/template}
-
-/**
- * Web page structure.
- */
-{template .start}
-  {call .messages /}
-  <table width="100%">
-    <tr>
-      <td>
-        <h1><a href="https://developers.google.com/blockly/">Blockly</a>&rlm; &gt;{sp}
-          <a href="../index.html">Demos</a>&rlm; &gt;{sp}
-          <span id="title">
-            {msg meaning="Plane.plane" desc="title - Specifies that this is Blockly's '''Plane''' (airplane) tutorial.  The word 'plane' was chosen over 'airplane' in English because it is shorter and less formal."}
-              Plane Seat Calculator
-            {/msg}
-          </span>
-          {sp}&nbsp;{sp}
-          {for $i in range(1, $ij.maxLevel + 1)}
-            {sp}
-            {if $i == $ij.level}
-              <span class="tab" id="selected">{$i}</span>
-            {else}
-              {if $i < $ij.level}
-                <a class="tab previous" href="?lang={$ij.lang}&level={$i}">{$i}</a>
-              {else}
-                <a class="tab" href="?lang={$ij.lang}&level={$i}">{$i}</a>
-              {/if}
-            {/if}
-          {/for}
-        </h1>
-      </td>
-      <td class="farSide">
-        <span {if $ij.lang == 'en'}id="languageBorder"{/if} style="padding: 10px">
-          <select id="languageMenu"></select>
-        </span>
-      </td>
-    </tr>
-  </table>
-
-  <script src="slider.js"></script>
-  <svg
-     id="plane"
-     xmlns="http://www.w3.org/2000/svg"
-     xmlns:svg="http://www.w3.org/2000/svg"
-     xmlns:xlink="http://www.w3.org/1999/xlink"
-     version="1.1"
-     width="600"
-     height="320"
-     viewBox="0 110 600 320">
-    <defs>
-      <g id="row1st">
-        <rect
-           class="seat1st"
-           width="10" height="10"
-           x="75" y="243" />
-        <rect
-           class="seat1st"
-           width="10" height="10"
-           x="75" y="254" />
-        <rect
-           class="seat1st"
-           width="10" height="10"
-           x="75" y="272" />
-        <rect
-           class="seat1st"
-           width="10" height="10"
-           x="75" y="283" />
-      </g>
-      <g id="row2nd">
-        <rect
-           class="seat2nd"
-           width="10" height="8"
-           x="75" y="243" />
-        <rect
-           class="seat2nd"
-           width="10" height="8"
-           x="75" y="251" />
-        <rect
-           class="seat2nd"
-           width="10" height="8"
-           x="75" y="269" />
-        <rect
-           class="seat2nd"
-           width="10" height="8"
-           x="75" y="277" />
-        <rect
-           class="seat2nd"
-           width="10" height="8"
-           x="75" y="285" />
-      </g>
-      <linearGradient id="grad1" x1="0%" y1="100%" x2="0%" y2="0%">
-        <stop offset="0%" style="stop-color:#fff;stop-opacity:0" />
-        <stop offset="100%" style="stop-color:#fff;stop-opacity:1" />
-      </linearGradient>
-      <linearGradient id="grad2" x1="0%" y1="0%" x2="0%" y2="100%">
-        <stop offset="0%" style="stop-color:#fff;stop-opacity:0" />
-        <stop offset="100%" style="stop-color:#fff;stop-opacity:1" />
-      </linearGradient>
-    </defs>
-    <path
-        d="m 214,270 l 159,-254 31,-16 -74,189 0,162 74,189 -31,16 z"
-        id="wing" />
-    <path
-        d="m 577,270 22,-93 -27,6 -44,88 44,88 27,6 z"
-        id="tail" />
-    <path
-        d="m 577,270 l -94,24 h -407 c -38,0 -75,-13 -75,-26 c 0,-13 38,-26 75,-26 h 407 z"
-        id="fuselage" />
-    <rect
-       width="610"
-       height="100"
-       x="-5"
-       y="110"
-       fill="url(#grad1)" />
-    <rect
-       width="610"
-       height="100"
-       x="-5"
-       y="330"
-       fill="url(#grad2)" />
-    <text id="row1stText" x="55" y="380"></text>
-    <text id="row2ndText" x="55" y="420"></text>
-    <text x="55" y="210">
-      <tspan id="seatText"></tspan>
-      <tspan id="seatYes" style="fill: #0c0;" dy="10">&#x2713;</tspan>
-      <tspan id="seatNo" style="fill: #f00;" dy="10">&#x2717;</tspan>
-    </text>
-    {if $ij.level > 1}
-      <rect
-          id="crew_right" class="crew"
-          width="10" height="10"
-          x="35" y="254" />
-      <rect
-          id="crew_left" class="crew"
-          width="10" height="10"
-          x="35" y="272" />
-    {/if}
-  </svg>
-
-  <p>
-    {switch $ij.level}
-      {case 1}
-        {msg meaning="Plane.description1" desc="instructions - Note that in [http://blockly-share.appspot.com/static/apps/plane/plane.html?lang=en&level=1 this level], there is only one type of seat on the plane."}An airplane has a number of rows of passenger seats.  Each row contains four seats.{/msg}
-      {case 2}
-        {msg meaning="Plane.description2" desc="instructions - Note that in [http://blockly-share.appspot.com/static/apps/plane/plane.html?lang=en&level=2 this level], there are two types of seats on this plane."}An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.{/msg}
-      {case 3}
-        {msg meaning="Plane.description3" desc="instructions - Note that in [http://blockly-share.appspot.com/static/apps/plane/plane.html?lang=en&level=3 this level], there are three types of seats on this plane.  Be sure to use the same terms for '1st class' and '2nd class' as you did for the earlier messages."}An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.{/msg}
-    {/switch}
-  </p>
-  <p>
-    {msg meaning="Plane.instructions" desc="page text - This text appears below the airplane graphic and above the space for the user to create the formula.  The number of rows an the graphic may be changed by the user with a slider.  See [http://blockly-share.appspot.com/static/apps/plane/plane.html?lang=en&level=1] for a picture."}Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).{/msg}
-  </p>
-
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../javascript_compressed.js"></script>
-  <script src="../../msg/js/{$ij.lang}.js"></script>
-  <script src="blocks.js"></script>
-  {call .toolbox /}
-  <div id="blockly"></div>
-{/template}
-
-/**
- * Toolboxes for each level.
- */
-{template .toolbox}
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
-    <block type="math_number"></block>
-    <block type="math_arithmetic">
-      <value name="A">
-        <shadow type="math_number">
-          <field name="NUM">1</field>
-        </shadow>
-      </value>
-      <value name="B">
-        <shadow type="math_number">
-          <field name="NUM">1</field>
-        </shadow>
-      </value>
-    </block>
-    <block type="math_arithmetic">
-      <field name="OP">MULTIPLY</field>
-      <value name="A">
-        <shadow type="math_number">
-          <field name="NUM">1</field>
-        </shadow>
-      </value>
-      <value name="B">
-        <shadow type="math_number">
-          <field name="NUM">1</field>
-        </shadow>
-      </value>
-    </block>
-    {if $ij.level <= 2}
-      <block type="plane_get_rows"></block>
-    {else}
-      <block type="plane_get_rows1st"></block>
-      <block type="plane_get_rows2nd"></block>
-    {/if}
-  </xml>
-{/template}
diff --git a/demos/plane/xlf/extracted_msgs.xlf b/demos/plane/xlf/extracted_msgs.xlf
deleted file mode 100644
index 6a4fd44ff4f..00000000000
--- a/demos/plane/xlf/extracted_msgs.xlf
+++ /dev/null
@@ -1,77 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" xml:space="preserve" source-language="en">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <note priority="1" from="description">page text - Total number of rows of seats on an airplane.\n\nParameters:\n* %1 - number of rows of seats on an airplane.  It is always an integer greater than or equal to zero.</note>
-        <note priority="1" from="meaning">Plane.rows</note>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <note priority="1" from="description">block text - The first half of a mathematical equation determining the number of seats in an airplane, such as: ''''seats =''' 4 x rows'.</note>
-        <note priority="1" from="meaning">Plane.setSeats</note>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <note priority="1" from="description">instructions - Note that in [http://blockly-share.appspot.com/static/apps/plane/plane.html?lang=en&amp;level=3 this level], there are three types of seats on this plane.  Be sure to use the same terms for '1st class' and '2nd class' as you did for the earlier messages.</note>
-        <note priority="1" from="meaning">Plane.description3</note>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <note priority="1" from="description">page text - A word or symbol indicating that this numeric value has not yet been determined.</note>
-        <note priority="1" from="meaning">Plane.placeholder</note>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <note priority="1" from="description">page text - This text appears below the airplane graphic and above the space for the user to create the formula.  The number of rows an the graphic may be changed by the user with a slider.  See [http://blockly-share.appspot.com/static/apps/plane/plane.html?lang=en&amp;level=1] for a picture.</note>
-        <note priority="1" from="meaning">Plane.instructions</note>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <note priority="1" from="description">instructions - Note that in [http://blockly-share.appspot.com/static/apps/plane/plane.html?lang=en&amp;level=2 this level], there are two types of seats on this plane.</note>
-        <note priority="1" from="meaning">Plane.description2</note>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <note priority="1" from="description">block text - The number of rows of first-class seats on the, to be used in a mathematical equation.  See [http://blockly-share.appspot.com/static/apps/plane/plane.html?lang=en&amp;level=3].\n\nParameters:\n* %1 - number of rows of first-class seats on an airplane.  It is always an integer greater than or equal to zero.</note>
-        <note priority="1" from="meaning">Plane.getRows1</note>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <note priority="1" from="description">page text - The number of rows of second-class seats on the airplane.  %1 is an integer greater or equal to zero.  See [http://blockly-share.appspot.com/static/apps/plane/plane.html?lang=en&amp;level=3].\n\nParameters:\n* %1 - number of rows of second-class seats on an airplane.  It is always an integer greater than or equal to zero.</note>
-        <note priority="1" from="meaning">Plane.rows2</note>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <note priority="1" from="description">page text - The total number of seats on the airplane.\n\nParameters:\n* %1 - number of seats on an airplane.  It is always either the next message or an integer greater than or equal to zero.</note>
-        <note priority="1" from="meaning">Plane.seats</note>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <note priority="1" from="description">title - Specifies that this is Blockly's '''Plane''' (airplane) tutorial.  The word 'plane' was chosen over 'airplane' in English because it is shorter and less formal.</note>
-        <note priority="1" from="meaning">Plane.plane</note>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <note priority="1" from="description">block text - The number of rows on the airplane, to be used in a mathematical equation, such as: 'seats = 4 x '''rows (5)''''.\n\nParameters:\n* %1 - number of rows of seats on an airplane.  It is always an integer greater than or equal to zero.</note>
-        <note priority="1" from="meaning">Plane.getRows</note>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <note priority="1" from="description">page text - The number of rows of first-class seats on the airplane.  You can see the block at [http://blockly-share.appspot.com/static/apps/plane/plane.html?lang=en&amp;level=3].\n\nParameters:\n* %1 - number of rows of first-class seats on an airplane.  It is always an integer greater than or equal to zero.</note>
-        <note priority="1" from="meaning">Plane.rows1</note>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <note priority="1" from="description">instructions - Note that in [http://blockly-share.appspot.com/static/apps/plane/plane.html?lang=en&amp;level=1 this level], there is only one type of seat on the plane.</note>
-        <note priority="1" from="meaning">Plane.description1</note>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <note priority="1" from="description">block text - The number of rows of second-class (also called 'economy class') seats on the airplane, to be used in a mathematical expression.\n\nParameters:\n* %1 - number of rows of second-class seats on an airplane.  It is always an integer greater than or equal to zero.</note>
-        <note priority="1" from="meaning">Plane.getRows2</note>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_ar.xlf b/demos/plane/xlf/translated_msgs_ar.xlf
deleted file mode 100644
index c9b8e1689ac..00000000000
--- a/demos/plane/xlf/translated_msgs_ar.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="ar">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>الصفوف: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>المقاعد =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>طائرة بمقعدين في مقطورة الطيّار (للطيار ومساعده) وعدد من المقاعد في صفوف الدرجة الأولى والثانية. كل صف من صفوف الدرجة الأولى يحتوي على أربعة مقاعد. ويحتوي كل صف في الدرجة الثانية على خمسة مقاعد.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>؟</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>لبناء صيغة (أدناه) تقوم بحساب إجمالي عدد المقاعد في الطائرة عند تغيير الصفوف (أعلاه).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>طائرة بمقعدين في مقطورة الطيّار (للطيار ومساعده) وعدد من الصفوف يحتوي كل صف على أربعة مقاعد.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>صفوف الطبقة الأولى (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>صفوف الفئة الثانية: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>المقاعد: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>آلة حاسبة لمقعد الطائرة</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>الصفوف (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>صفوف الطبقة الأولى: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>هنالك طائرة تحتوي على عدد من صفوف مقاعد الركاب. كل صف يحتوي على أربعة مقاعد.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>صفوف الفئة الثانية: (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_be-tarask.xlf b/demos/plane/xlf/translated_msgs_be-tarask.xlf
deleted file mode 100644
index 4580b5f1d6e..00000000000
--- a/demos/plane/xlf/translated_msgs_be-tarask.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="be-tarask">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Радкоў: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>месцаў =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Самалёт мае два месцы ў кабіне экіпажа (пілот і другі пілот), і некалькі пасажырскіх шэрагаў месцаў 1-га кляса і 2-га кляса. Кожны шэраг 1-га кляса утрымлівае чатыры месцы. Кожны шэраг 2-га кляса ўтрымлівае пяць месцаў.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Пабудаваць формулу (ніжэй), якая падлічвае агульную колькасьць месцаў у самалёце пры зьмене радоў (гл. вышэй).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Самалёт мае два месцы ў кабіне экіпажа (пілот і другі пілот), і некалькі шэрагаў пасажырскіх сядзеньняў. Кожны шэраг утрымлівае чатыры месцы.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>радкі першага клясу (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>Радкі другога клясу: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Месцаў: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Калькулятар месцаў у самалёце</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>радкоў (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Радкі першага клясу: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Самалёт мае некалькі шэрагаў пасажырскіх сядзеньняў. Кожная шэраг утрымлівае чатыры месцы.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>радкі другога клясу (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_br.xlf b/demos/plane/xlf/translated_msgs_br.xlf
deleted file mode 100644
index 4a7fc0c26c2..00000000000
--- a/demos/plane/xlf/translated_msgs_br.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="br">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Renkennadoù : %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>azezennoù =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>En un nijerez ez eus div azezenn el logell leviañ(evit al loman hag an eil loman), hag un toullad renkennadoù azezennoù tremenidi kentañ hag eil klas. Peder azezenn zo e pep renkennad kentañ klas. Pemp azezenn zo e pemp renkennad eil klas.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Sevel ur formulenn (amañ dindan) evit jediñ an niver a azezennoù en holl en nijerez pa vez kemmet an niver a renkennadoù (amañ a-us).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>En un nijerez ez eus div azezenn el logell leviañ(evit al loman hag an eil loman), hag ur toullad renkennadoù azezennoù evit an dremenidi. Peder azezenn zo e pep renkennad.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>Renkennadoù kentañ klas (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>Renkennadoù eil klas : %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Azezennoù : %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Jederez azezenn nijerez</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>renkennadoù (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Renkennadoù kentañ klas : %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Un nijerez he deus un toullad renkennadoù azezennoù evit ar veajourien. Peder azezenn a zo e pep renkennad.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>Renkennadoù eil klas (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_ca.xlf b/demos/plane/xlf/translated_msgs_ca.xlf
deleted file mode 100644
index 17dfe65e09e..00000000000
--- a/demos/plane/xlf/translated_msgs_ca.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="ca">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Files: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>seients =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Un avió té dos seients en la cabina de vol (pel pilot i copilot) i un nombre de files per seients de passatgers de primera classe i de segona classe. Cada fila de primera classe conté quatre seients. Cada fila de segona classe conté cinc seients.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Construïu una fórmula (a sota) que calculi el nombre total de seients de l'avió a mida que canviïn les files (a dalt).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Un avió té dos seients en la cabina de vol (pel pilot i pel copilot) i un nombre de files de seients de passatgers. Cada fila conté quatre seients.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>files de primera classe (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>files de segona classe: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Seients: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Calculadora de seients d'avió</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>files (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>files de primera classe: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Un avió té un nombre de files de seients de passatgers.  Cada fila conté quatre seients.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>files de segona classe (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_da.xlf b/demos/plane/xlf/translated_msgs_da.xlf
deleted file mode 100644
index 752fe24f5b8..00000000000
--- a/demos/plane/xlf/translated_msgs_da.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="da">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Rækker: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>sæder =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Et fly har to pladser i cockpittet (til pilot og med-pilot), og et antal rækker af 1. klasses og 2. klasses passagersæder. Hver 1. klasses række indeholder fire sæder. Hver 2. klasses række indeholder fem sæder.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Opbyg en formel (nedenfor), der beregner det samlede antal pladser på flyet, hvis antal rækker ændres (ovenfor).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Et fly har to pladser i cockpittet (til pilot og med-pilot), og et antal rækker af passagersæder. Hver række indeholder fire sæder.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>1. klasse rækker (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>2. klasse rækker: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Sæder: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Flysædelommeregner</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>rækker (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>1. klasse rækker: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Et fly har et antal rækker af passagersæder. Hver række indeholder fire sæder.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>2. klasse rækker (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_de.xlf b/demos/plane/xlf/translated_msgs_de.xlf
deleted file mode 100644
index f06bc77253e..00000000000
--- a/demos/plane/xlf/translated_msgs_de.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="de">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Reihen: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>Sitze =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Ein Flugzeug hat zwei Sitze im Pilotenstand (für den Piloten und Co-Piloten) und eine Anzahl an Reihen mit Passagiersitzen der 1. und 2. Klasse. Jede 1.-Klasse-Reihe enthält vier Sitze. Jede 2.-Klasse-Reihe enthält fünf Sitze.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Erstelle eine Formel (unten), die die gesamte Anzahl an Sitzen im Flugzeug berechnet, wenn die Reihen (oben) geändert werden.</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Ein Flugzeug hat zwei Sitze im Pilotenstand (für den Piloten und Co-Piloten) und eine Anzahl an Reihen mit Passagiersitzen. Jede Reihe enthält vier Sitze.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>Reihen der 1. Klasse (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>Reihen der 2. Klasse: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Sitze: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Flugzeugsitzrechner</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>Reihen (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Reihen der 1. Klasse: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Ein Flugzeug hat eine Anzahl an Reihen mit Passagiersitzen. Jede Reihe enthält vier Sitze.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>Reihen der 2. Klasse (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_el.xlf b/demos/plane/xlf/translated_msgs_el.xlf
deleted file mode 100644
index 5acb291d2c3..00000000000
--- a/demos/plane/xlf/translated_msgs_el.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="el">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Σειρές: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>καθίσματα =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Ένα αεροπλάνο έχει δύο καθίσματα στον θάλαμο διακυβέρνησης (για τον κυβερνήτη και τον συγκυβερνήτη), καθώς και έναν αριθμό σειρών καθισμάτων για την 1η και 2η θέση. Κάθε σειρά της 1ης θέσης έχει τέσσερα καθίσματα και κάθε σειρά της 2ης θέσης έχει πέντε καθίσματα.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>;</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Φτιάξε έναν τύπο (κάτω) που θα υπολογίζει τον συνολικό αριθμό καθισμάτων του αεροπλάνου καθώς αλλάζουν οι σειρές (πάνω).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Ένα αεροπλάνο έχει δύο καθίσματα στον θάλαμο διακυβέρνησης (για τον κυβερνήτη και τον συγκυβερνήτη), καθώς και έναν αριθμό από σειρές καθισμάτων επιβατών.  Κάθε σειρά έχει τέσσερα καθίσματα.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>Σειρές 1ης θέσης (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>Σειρές 2ης θέσης: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Καθίσματα: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Υπολογισμός Θέσεων Σε Αεροπλάνο</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>σειρές (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Σειρές 1ης θέσης: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Ένα αεροπλάνο έχει έναν συγκεκριμένο αριθμό σειρών καθισμάτων επιβατών. Κάθε σειρά έχει τέσσερα καθίσματα.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>Σειρές 2ης θέσης (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_en.xlf b/demos/plane/xlf/translated_msgs_en.xlf
deleted file mode 100644
index e471a00085b..00000000000
--- a/demos/plane/xlf/translated_msgs_en.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="en">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Rows: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>seats =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>1st class rows (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>2nd class rows: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Seats: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Plane Seat Calculator</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>rows (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>1st class rows: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>An airplane has a number of rows of passenger seats.  Each row contains four seats.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>2nd class rows (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_es.xlf b/demos/plane/xlf/translated_msgs_es.xlf
deleted file mode 100644
index e2022b5f123..00000000000
--- a/demos/plane/xlf/translated_msgs_es.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="es">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Filas: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>asientos =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Un avión tiene dos asientos en la cabina de vuelo (para el piloto y co-piloto), y un número de filas de asientos para pasajeros de primera y segunda clase. Cada fila de la primera clase contiene cuatro asientos. Cada fila de la segunda clase contiene cinco asientos.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Construir una fórmula (abajo) que calcule el número total de asientos en el avión cuando las filas sean cambiadas (arriba).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Un avión tiene dos asientos en la cabina de vuelo (para el piloto y co-piloto), y un número de filas de asientos de pasajeros. Cada fila contiene cuatro asientos.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>Filas de primera clase: (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>Filas de segunda clase: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Asientos: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Calculadora de asientos de avión</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>filas (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Filas de primera clase: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Un avión  tiene un número de filas de asientos de pasajeros. Cada fila contiene cuatro asientos.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>Filas de segunda clase: (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_et.xlf b/demos/plane/xlf/translated_msgs_et.xlf
deleted file mode 100644
index d88be0a9f73..00000000000
--- a/demos/plane/xlf/translated_msgs_et.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="en">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Ridu: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>istmete arv =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Lennuki kokpitis on kaks istet (üks kummalegi piloodile), mingi arv ridu 1. klassi reisijatele ja mingi arv ridu 2. klassi reisijatele. Igas 1. klassi reas on neli istet, igas 2. klassi reas viis istet.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Ehita plokkidest valem, mis arvutab istmete arvu lennukis õigesti sõltumata ridade arvust (seda saad muuta lennuki juures oleva liuguriga).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Lennuki kokpitis on kaks istet (üks kummalegi piloodile) ja mingi arv istemridu reisijatele. Igas reas on neli istet.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>1. klassi ridu (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>2. klassi ridu: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Istmeid: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Lennukiistmete kalkulaator</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>rows (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>1. klassi ridu: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Lennukis on reisijate istmed mitmes reas. Igas reas on neli istet.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>2. klassi ridu (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_fa.xlf b/demos/plane/xlf/translated_msgs_fa.xlf
deleted file mode 100644
index 264ec310444..00000000000
--- a/demos/plane/xlf/translated_msgs_fa.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="fa">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>ردیف: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>صندلی‌ها =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>یک هواپیما دو صندلی در کابین خلبان دارد (برای خلبان و کمک خلبان) و تهداد از صندلی‌ها مسافرین درجه یک و درجه دو.  هر ردیف درجه یک شامل چهار صندلی است. هر ردیف درجه دو شامل پنج صندلی است.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>؟</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>یک فرمول بسازید (پایین) که تعداد کل صندلی‌های هواپیما با تغییر ردیف را حساب کند (بالا).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>یک هواپیما دو صندلی در عرشهٔ پرواز دارد (برای خلبان و کمک خلبان) و تعدادی صندلی مسافرین.  هر ردیف شامل چهار صندلی است.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>اولین کلاس ردیف‌ها (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>دومین کلاس ردیف: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>صندلی‌ها: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>محاسبه‌گر صندلی‌های هواپیما</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>ردیف‌ها (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>اولین ردیف کلاس: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>یک هواپیما تعداد از صندلی‌های مسافرین را دارد. هر ردیف شمال چهار صندلی است.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>دومین کلاس ردیف‌ها (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_fr.xlf b/demos/plane/xlf/translated_msgs_fr.xlf
deleted file mode 100644
index 9485da29bd3..00000000000
--- a/demos/plane/xlf/translated_msgs_fr.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="fr">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Rangées : %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>sièges =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Un avion a deux sièges dans la cabine de pilotage (pour le pilote et le copilote), et un certain nombre de rangées de sièges passager de première et seconde classes. Chaque rangée de première classe contient quatre sièges. Chaque rangée de seconde classe contient cinq sièges.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Construire une formule (ci-dessous) qui calcule le nombre total de sièges dans l’avion quand le nombre de rangées est modifié (ci-dessus).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Un avion a deux sièges dans le poste de pilotage (pour le pilote et le copilote), et un certain nombre de rangées de sièges passager. Chaque rangée contient quatre sièges.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>rangées de première classe (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>rangées de seconde classe : %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Sièges : %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Calculateur de sièges d’avion</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>rangées (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>rangées de première classe : %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Un avion a un nombre de rangées de sièges passager. Chaque rangée contient quatre sièges.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>rangées de seconde classe (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_he.xlf b/demos/plane/xlf/translated_msgs_he.xlf
deleted file mode 100644
index 55ac148c5ae..00000000000
--- a/demos/plane/xlf/translated_msgs_he.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="he">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>שורות: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>מושבים =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>במטוס יש שני מושבים עבור הצוות (בשביל הטייס וטייס המשנה), ומספר שורות מושבים במחלקת הנוסעים הראשונה ובמחלקת הנוסעים השנייה. כל שורה במחלקה הראשונה מכילה ארבעה מושבים. כל שורה במחלקה השנייה מכילה חמישה מושבים.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>בנה נוסחה (למטה) אשר תחשב את סך כל המושבים במטוס בהתאם לשינוי מספר השורות (למעלה).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>במטוס יש שני מושבים עבור הצוות (בשביל הטייס וטייס המשנה), ומספר שורות עם מושבי נוסעים. בכל שורה יש ארבעה מושבים.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>שורות במחלקה ראשונה (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>שורות במחלקה שנייה: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>מושבים: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>מחשבון מושב במטוס</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>שורות (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>שורות במחלקה ראשונה: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>במטוס יש מספר שורות עם מושבי נוסעים. בכל שורה יש ארבעה מושבים.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>שורות במחלקה שנייה: (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_hrx.xlf b/demos/plane/xlf/translated_msgs_hrx.xlf
deleted file mode 100644
index 263d3050749..00000000000
--- a/demos/plane/xlf/translated_msgs_hrx.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="hrx">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Reihe: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>Sitze =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>En Fluchzeich hot zwooi Sitze im Pilotstand (für den Pilot und Co-Pilot) und en Oonzohl an Reihe mit Passagiersitze der 1. und 2. Klasse. Jede 1.-Klasse-Reih enthält vier Sitze. Jede 2.-Klasse-Reih enthält fünf Sitze.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Erstell en Formel (unne), die die gesamte Oonzohl an Sitze im Fluchzeich berechnet, wenn die Reihe (uwe) geännert sin.</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>En Fluchzeich hot zwooi Sitze im Pilotestand (für den Pilot und Co-Pilot) und en Oonzohl an Reihe mit Passagiersitze. Jede Reih enthält vier Sitze.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>Reihe von der 1. Klasse (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>Reihe von der 2. Klasse: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Sitz: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Fluchzeichsitzrechner</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>Reihe (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Reihe von der 1. Klasse: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>En Fluchzeich hot en Oonzohl an Reihe mit Passagiersitze. Jede Reih enthält vier Sitze.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>Reihe von der 2. Klasse (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_hu.xlf b/demos/plane/xlf/translated_msgs_hu.xlf
deleted file mode 100644
index c44d1aa9d4a..00000000000
--- a/demos/plane/xlf/translated_msgs_hu.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="hu">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Sorok száma: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>Ülések száma =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Egy repülőgépnek 2 ülése van a pilótafülkében (a pilótának és a másodpilótának), az utasok 1. és 2. osztályon utazhatnak. Az 1. osztályon négy szék van egy sorban. A 2. osztályon öt szék van egy sorban.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Készítsd el a képletet (lent) amivel kiszámolható, hogy hány ülés van összesen a repülőgépen annak függvényében, ahogy (fent) állítod a sorok számát.</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Egy repülőgépnek 2 ülése van a pilótafülkében (a pilótának és a másodpilótának), az utasok több sorban ülnek az utastérben.  Az utastér minden sorában négy szék van.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>1. osztály sorai (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>2. osztály: %1 sor</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Ülések száma összesen: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Repülőgép alkalmazás</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>Sorok száma (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>1. osztály: %1 sor</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Egy repülőgépen az utasok több sorban ülnek az utastérben.  Az utastér minden sorában négy szék van.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>2. osztály sorai (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_ia.xlf b/demos/plane/xlf/translated_msgs_ia.xlf
deleted file mode 100644
index 83ae2c6d2f8..00000000000
--- a/demos/plane/xlf/translated_msgs_ia.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="ia">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Filas: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>sedes =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Un avion ha duo sedes in le cabina (pro le pilota e le copilota) e un numero de filas de sedes pro passageros del prime classe e del secunde classes. Cata fila del prime classe contine quatro sedes. Cata fila del secunde classe contine cinque sedes.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Construe un formula (ci infra) que calcula le numero total de sedes in le avion quando le numero de filas es cambiate (ci supra).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Un avion ha duo sedes in le cabina (pro le pilota e le copilota) e un numero de filas de sedes pro passageros. Cata fila contine quatro sedes.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>filas de prime classe (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>Filas de secunde classe: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Sedes: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Calculator de sedias de avion</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>filas (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Filas de prime classe: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Un avion ha un numero de filas de sedes pro passageros. Cata fila contine quatro sedes.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>filas de secunde classe (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_is.xlf b/demos/plane/xlf/translated_msgs_is.xlf
deleted file mode 100644
index 3810f4b34c8..00000000000
--- a/demos/plane/xlf/translated_msgs_is.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="is">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Raðir: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>sæti =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Flugvél er með tvö sæti í stjórnklefa (fyrir flugmanninn og aðstoðarflugmanninn) og einhvern fjölda sætaraða fyrir farþega á 1. og 2. farrými. Hver sætaröð á 1. farrými hefur fjögur sæti. Hver sætaröð á 2. farrými hefur fimm sæti.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Búðu til formúlu (hér fyrir neðan) sem reiknar heildarfjölda sæta í flugvélinni eftir því sem röðunum er breytt (hér fyrir ofan).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Flugvél er með tvö sæti í stjórnklefa (fyrir flugmanninn og aðstoðarflugmanninn) og einhvern fjölda sætaraða fyrir farþega. Hver sætaröð hefur fjögur sæti.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>raðir 1. farrými (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>Raðir 2. farrými: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Sæti: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Flugsætareiknir</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>raðir (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Raðir 1. farrými: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Flugvél er með einhvern fjölda sætaraða fyrir farþega. Í hverri röð eru fjögur sæti.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>raðir 2. farrými (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_it.xlf b/demos/plane/xlf/translated_msgs_it.xlf
deleted file mode 100644
index 27bad0dcffd..00000000000
--- a/demos/plane/xlf/translated_msgs_it.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="it">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>File: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>sedili =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Un aereo ha due posti nella cabina di pilotaggio (per il pilota e il co-pilota), e un numero di file in prima e seconda classe, con i posti a sedere dei passeggeri. Ogni fila della prima classe contiene quattro posti. Quelle invece della seconda classe, ne contengono cinque.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Costruisci una formula (sotto) che calcola il numero totale di posti a sedere su un aeroplano, così come cambiano le file di posti (sopra).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Un aeroplano ha due posti a sedere nella cabina di pilotaggio (per il pilota e co-pilota), e un numero di file con i posti a sedere dei passeggeri. Ogni fila contiene quattro posti.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>file 1ª classe (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>File 2ª classe: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Sedili: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Calcolo posti aereo</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>file (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>File 1ª classe: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Un aeroplano ha un numero di file contenenti i posti a sedere dei passeggeri. Ogni fila, contiene quattro posti a sedere.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>File 2ª classe (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_ja.xlf b/demos/plane/xlf/translated_msgs_ja.xlf
deleted file mode 100644
index b04624a2719..00000000000
--- a/demos/plane/xlf/translated_msgs_ja.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="ja">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>列の数: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>座席の数 =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>飛行機には、操縦室の 2 つの座席 (操縦士と副操縦士) と、ファーストクラスとセカンドクラスの乗客の座席の列があります。それぞれの列に、ファーストクラスでは 4 つの座席、セカンドクラスでは 5 つの座席があります。</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>飛行機の座席の数を計算する式を、上で列の数を変更しても正しくなるように、下に入力してください。</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>飛行機には、操縦室の 2 つの座席 (操縦士と副操縦士) と、乗客の座席の列があります。それぞれの列に 4 つの座席があります。</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>ファーストクラスの列数 (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>セカンドクラスの列数: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>座席の数: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>飛行機座席計算機</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>列の数 (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>ファーストクラスの列数: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>飛行機に乗客の座席の列があります。それぞれの列に 4 つの座席があります。</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>セカンドクラスの列数 (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_ko.xlf b/demos/plane/xlf/translated_msgs_ko.xlf
deleted file mode 100644
index 07e23288e66..00000000000
--- a/demos/plane/xlf/translated_msgs_ko.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="ko">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>행 수: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>좌석수 =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>비행기는 비행 갑판(조종사와 부조종사용)에서 좌석 두 개가 있고, 1등석과 2등석 승객 좌석의 행 수가 있습니다. 각 1등석 행에는 시트 네 개가 포함되어 있습니다. 각 2등석 행에는 시트 다섯 개가 포함되어 있습니다.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>행이 바뀐(위) 비행기에 좌석의 총 수를 계산하는 공식(아래)을 구축하세요.</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>비행기는 비행 갑판(조종사와 부조종사용)에서 좌석 두 개가 있고, 승객 좌석의 행 수가 있습니다. 각 행에는 시트 네 개가 포함되어 있습니다.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>1등석 행 수 (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>2등석 행 수: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>좌석 수: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>비행기 좌석 계산기</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>행 수 (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>1등석 행 수: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>비행기는 승객 좌석의 행 수가 있습니다. 각 행에는 시트 네 개가 포함되어 있습니다.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>2등석 행 수 (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_ms.xlf b/demos/plane/xlf/translated_msgs_ms.xlf
deleted file mode 100644
index c34f084a3d4..00000000000
--- a/demos/plane/xlf/translated_msgs_ms.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="ms">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Baris: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>tempat duduk =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Sebuah kapal terbang mempunyai tempat duduk di kokpit (untuk juruterbang dan pembantunya) dan sebilangan baris tempat duduk penumpang kelas pertama dan kelas kedua. Setiap baris kelas pertama mengandungi empat tempat duduk. Setiap baris kelas pertama mengandungi lima tempat duduk.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Wujudkan formula (di bawah) yang mengira jumlah tempat duduk di dalam kapal terbang sedangkan baris-barisnya diubah (di atas).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Sebuah kapal terbang mempunyai tempat duduk di kokpit (untuk juruterbang dan pembantunya) dan sebilangan baris tempat duduk penumpang. Setiap baris mengandungi empat tempat duduk.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>baris kelas pertama (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>Baris kelas kedua: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Tempat duduk: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Pengira Tempat Duduk Kapal Terbang</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>baris (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Baris kelas pertama: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Sebuah kapal terbang mempunyai sebilangan baris tempat duduk penumpang. Setiap baris mengandungi empat tempat duduk.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>baris kelas kedua (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_nb.xlf b/demos/plane/xlf/translated_msgs_nb.xlf
deleted file mode 100644
index 99c9c6a9971..00000000000
--- a/demos/plane/xlf/translated_msgs_nb.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="nb">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Rader: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>seter =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Et fly har to seter i cockpit (for piloten og andrepiloten), og et antall rader med passasjerseter på første og andre klasse. Hver av radene på første klasse har fire seter. Hver av radene på andre klasse har fem seter.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Bygg en formel (under) som beregner det totale antall seter på flyet etter hvert som radene endres (over).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Et fly har to seter i cockpit (for piloten og andrepiloten), og et antall rader med passasjerseter. Hver rad inneholder fire seter.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>Rader i første klasse (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>Rader i andre klasse: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Seter: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Flysetekalkulator</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>rader (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Rader i første klasse: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Et fly har et antall rader med passasjerseter. Hver rad inneholder fire seter.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>Rader i andre klasse (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_nl.xlf b/demos/plane/xlf/translated_msgs_nl.xlf
deleted file mode 100644
index 6f36fa026c7..00000000000
--- a/demos/plane/xlf/translated_msgs_nl.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="nl">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Rijen: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>stoelen=</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Een vliegtuig heeft twee stoelen in de cockpit (voor de piloot en de copiloot) en een aantal rijen voor 1e klasse en 2e klasse passagiers. Iedere rij in de 1e klasse heeft vier stoelen. Iedere rij in de 2e klasse heeft vijf stoelen.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Maak hieronder een formule die het totale aantal stoelen in het vliegtuig berekent als het aantal rijen hierboven wordt aangepast.</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Een vliegtuig heeft twee stoelen in de cockpit (voor de piloot en de copiloot) en een aantal rijen met stoelen voor passagiers. Iedere rij bevat vier stoelen.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>Rijen 1e klas (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>Rijen 2e klas: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Zitplaatsen: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Vliegtuigstoelencalculator</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>rijen (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Rijen 1e klas: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Een vliegtuig heeft een aantal rijen met stoelen. Iedere rij heeft vier stoelen.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>Rijen 2e klas (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_pl.xlf b/demos/plane/xlf/translated_msgs_pl.xlf
deleted file mode 100644
index 4c8b044e2c8..00000000000
--- a/demos/plane/xlf/translated_msgs_pl.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="pl">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Rzędów: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>siedzeń =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Samolot ma dwa miejsca w kabinie pilotów (dla pierwszego i drugiego pilota) oraz rzędy siedzeń dla pasażerów pierwszej i drugiej klasy. Każdy rząd pierwszej klasy składa się z czterech siedzeń. Każdy rząd drugiej klasy składa się z pięciu siedzeń.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Zbuduj wzór (poniżej), który pozwala obliczyć łączną liczbę siedzeń w samolocie w funkcji zmieniającej się liczby rzędów (powyżej).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Samolot ma dwa miejsca w kabinie pilotów (dla pierwszego i drugiego pilota) oraz rzędy siedzeń dla pasażerów. Każdy taki rząd składa się z czterech siedzeń.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>Rzędów w pierwszej klasie (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>Rzędów w drugiej klasie: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Siedzeń: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Kalkulator miejsc w samolocie.</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>rzędów (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Rzędów w pierwszej klasie: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Samolot ma kilka rzędów siedzeń pasażerów. Każdy rząd zawiera cztery miejsca.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>Rzędów w drugiej klasie (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_pms.xlf b/demos/plane/xlf/translated_msgs_pms.xlf
deleted file mode 100644
index 0fef9121763..00000000000
--- a/demos/plane/xlf/translated_msgs_pms.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="pms">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Linie: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>sedij =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>N'avion a l'ha doi sedij ant la cabin-a ëd pilotage (për ël pilòta e ël cò-pilòta) e un chèich nùmer ëd file ëd sedij pr'ij passagé ëd prima e sconda classa. Minca fila ëd prima classa a conten quatr sedij. Minca fila ëd seconda classa a conten sinch sedij.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Fabriché na fórmola (sì-sota) ch'a fa 'l cont dël nùmer total ëd sedij ant l'avion cand che ël nùmer dle file a cangia (sì-dzora).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>N'avion a l'ha doi sedij ant la cabin-a ëd pilotage (për ël pilòta e ël cò-pilòta), e un chèich nùmer ëd file ëd sedij pr'ij passagé. Minca fila a conten quatr sedij.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>linie ëd prima classa (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>linie ëd seconda classa: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Sedij: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Calcolator ëd sedij d'avion</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>linie (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>linie ëd prima classa: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>N'avion a l'ha un nùmer ëd file ëd sedij da passëgé. Minca fila a l'ha quatr sedij.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>linie ëd seconda classa (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_pt-br.xlf b/demos/plane/xlf/translated_msgs_pt-br.xlf
deleted file mode 100644
index 7bdd9ccff99..00000000000
--- a/demos/plane/xlf/translated_msgs_pt-br.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="pt-br">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Filas: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>assentos =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Um avião tem dois assentos na cabine de comando (para o piloto e o copiloto) e um número de filas de assentos na primeira e na segunda classe. Cada fila da primeira classe contém quatro assentos. Cada fila da segunda classe contém cinco assentos.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Elabore uma fórmula (abaixo) que calcule o número total de assentos no avião a medida que as filas são alteradas (acima).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Um avião tem dois assentos na cabine de comando (para o piloto e o copiloto) e um número de filas de assentos para os passageiros. Cada fila contém quatro assentos.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>filas na primeira classe (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>filas na segunda classe: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Assentos: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Calculadora de Assentos em Avião</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>filas (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>filas na primeira classe: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Um avião tem um número de filas de assentos para os passageiros. Cada fila contém quatro assentos.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>filas na segunda classe (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_ro.xlf b/demos/plane/xlf/translated_msgs_ro.xlf
deleted file mode 100644
index 614a3bda28b..00000000000
--- a/demos/plane/xlf/translated_msgs_ro.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="ro">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Rânduri: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>scaune =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Un avion are două scaune în carlingă (pentru pilot și copilot) și un număr de rânduri cu scaune de clasa I și clasa a II-a pentru pasageri. Fiecare rând de clasa I conține patru scaune. Fiecare rând de clasa a II-a conține cinci scaune.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Construiește o formulă (mai jos) care calculează numărul total de locuri dintr-un avion în timp ce rândurile se schimbă (mai sus).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Un avion are două scaune în carlingă (pentru pilot și copilot) și un număr de rânduri cu scaune pentru pasageri. Fiecare rând conține patru scaune.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>rânduri de clasa I (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>rânduri de clasa a II-a: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Scaune: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Calculator pentru locurile dintr-un avion</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>rânduri (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>rânduri de clasa I: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Un avion are un număr de rânduri cu scaune pentru pasageri. Fiecare rând conține patru scaune.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>rânduri de clasa a II-a (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_ru.xlf b/demos/plane/xlf/translated_msgs_ru.xlf
deleted file mode 100644
index d25b25458d7..00000000000
--- a/demos/plane/xlf/translated_msgs_ru.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="ru">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Рядов: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>места =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>В самолёте 2 места для пилота и его помощника, несколько рядов с пассажирскими местами первого класса, а также несколько рядов с пассажирскими местами второго класса. В каждом ряду первого класса 4 места. В каждом ряду второго класса 5 мест.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Постройте формулу в области ниже, которая поможет рассчитать общее количество мест в самолёте (как на рисунке выше).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>В самолёте 2 места для пилота и его помощника, а также несколько рядов с пассажирскими местами. В каждом ряду 4 места.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>ряды 1-го класса (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>Рядов 2-го класса: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Мест: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Калькулятор посадочных мест в самолёте</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>ряды (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Рядов 1-го класса: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>В самолёте несколько рядов с пассажирскими местами. В каждом ряду 4 места.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>ряды 2-го класса (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_sc.xlf b/demos/plane/xlf/translated_msgs_sc.xlf
deleted file mode 100644
index 63281235617..00000000000
--- a/demos/plane/xlf/translated_msgs_sc.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="sc">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Fileras: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>cadironis =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Unu aparèchiu tenit duus cadironis in sa cabina de cumandu (po su pilota e su co-pilota), e unas cantu fileras de cadironis po passigeris de prima classi e de segunda classi. Dònnia filera de prima classi tenit cuatru cadironis. Dònnia filera de segunda classi tenit cincu cadironis.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Cuncorda una formula (innoi asuta) chi cumpudit su numeru totali de postus a setzi in s'aparechiu, a segunda de comenti mudant is fileras de postus (innoi in susu)</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Unu aparèchiu tenit duus cadironis in sa cabina de cumandu (po su pilota e su co-pilota), e unas cantu fileras de cadironis po passigeris. Dònnia filera tenit cuatru cadironis.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>fileras de primu classi (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>fileras de segunda classi: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Cadironis: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Fai su contu de is cadironis de unu aparèchiu</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>fileras (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>fileras de primu classi: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Unu aparèchiu tenit unas cantu fileras de cadironis po passigeris. Dònnia filera tenit cuatru cadironis.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>fileras de segunda classi (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_sv.xlf b/demos/plane/xlf/translated_msgs_sv.xlf
deleted file mode 100644
index f3d836fba33..00000000000
--- a/demos/plane/xlf/translated_msgs_sv.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="sv">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Rader: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>säten =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Ett flygplan har två säten i cockpiten (ett för piloten och ett för andrepiloten) och ett antal rader med passagerarsäten i första och andra klass. Varje rad i första klass innehåller fyra säten. Varje rad i andra klass innehåller fem säten.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Bygg en formel (nedan) som beräknar det totala antalet säten på flygplanet när raderna ändras (ovan).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Ett flygplan har två säten i cockpiten (ett för piloten och ett för andrepiloten) och ett antal rader med passagerarsäten. Varje rad innehåller fyra säten.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>Rader i första klass (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>Rader i andra klass: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Säten: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Plansäteskalkylator</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>rader (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Rader i första klass: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Ett flygplan har ett antal rader med passagerarsäten. Varje rad innehåller fyra säten.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>Rader i andra klass (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_th.xlf b/demos/plane/xlf/translated_msgs_th.xlf
deleted file mode 100644
index 0967d4d199f..00000000000
--- a/demos/plane/xlf/translated_msgs_th.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="th">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>%1 แถว</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>จำนวนที่นั่ง =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>ภายในเครื่องบินจะมีที่นั่งนักบินอยู่ 2 ที่ (สำหรับนักบิน และผู้ช่วยนักบิน) และจะมีแถวที่นั่งสำหรับผู้โดยสาร "ชั้นเฟิร์สคลาส" และ "ชั้นธุรกิจ" อยู่จำนวนหนึ่ง โดยในชั้นเฟิร์สคลาสจะมีแถวละ 4 ที่นั่ง ส่วนในชั้นธุรกิจจะมีแถวละ 5 ที่นั่ง</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>สร้างสูตรคำนวณ (ด้านล่าง) เพื่อคำนวณหาจำนวนที่นั่งทั้งหมดบนเครื่องบิน ตามจำนวนแถวที่เปลี่ยนไป (ด้านบน)</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>ภายในเครื่องบินจะมีที่นั่งนักบินอยู่ 2 ที่ (สำหรับนักบิน และผู้ช่วยนักบิน) และมีแถวที่นั่งผู้โดยสารอยู่จำนวนหนึ่ง ในแต่ละแถวจะมี 4 ที่นั่ง</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>จำนวนแถวชั้นเฟิร์สคลาส (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>ชั้นธุรกิจ %1 แถว</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>คำนวณได้ทั้งหมด %1 ที่นั่ง</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>ระบบคำนวณที่นั่งบนเครื่องบิน</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>จำนวนแถว (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>ชั้นเฟิร์สคลาส %1 แถว</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>ภายในเครื่องบินประกอบไปด้วยแถวของที่นั่งผู้โดยสาร ในแต่ละแถวจะมี 4 ที่นั่ง</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>จำนวนแถวชั้นธุรกิจ (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_tr.xlf b/demos/plane/xlf/translated_msgs_tr.xlf
deleted file mode 100644
index 678541a32d9..00000000000
--- a/demos/plane/xlf/translated_msgs_tr.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="tr">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Sıralar: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>koltuklar =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Bir uçağın uçuş güvertesinde iki koltuğu (pilot ve yardımcı pilot için), ve belirli sayıda birinci sınıf ve ikinci sınıf yolcu koltuğu sırası vardır. Her birinci sınıf sıra dört koltuk içerir. Her ikinci sınıf sıra beş koltuk içerir.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Sıralar(üstte) değiştikçe uçaktaki toplam koltuk sayısını hesaplayan bir formül(altta) oluşturun.</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Bir uçağın uçuş güvertesinde iki koltuğu (pilot ve yardımcı pilot için), ve belirli sayıda koltuk sırası vardır. Her sıra dört koltuk içerir.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>Birinci sınıf sıralar (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>İkinci sınıf sıralar: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Koltuklar: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Uçak Koltuğu Hesaplayıcı</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>sıralar (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Birinci sınıf sıralar: (%1)</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Bir uçağın belirli sayıda koltuk sırası vardır. Her sıra dört koltuk içerir.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>İkinci sınıf sıralar (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_uk.xlf b/demos/plane/xlf/translated_msgs_uk.xlf
deleted file mode 100644
index d5e7682a58b..00000000000
--- a/demos/plane/xlf/translated_msgs_uk.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="uk">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Рядки: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>місць=</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Літак має два місця в кабіні екіпажу (пілот і другий пілот), і кілька рядів 1-го класу 2-го класу пасажирських місць. Кожний ряд 1-го класу містить чотири місця. Кожен ряд 2-го класу містить п'ять місць.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Побудувати формулу (нижче), яка обчислює кількість місць на літаку при зміні рядків (див. вище).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Літак має два місця в кабіні екіпажу (пілот і другий пілот), і кілька рядів пасажирських сидінь. Кожен рядок містить чотири місця.</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>рядів 1-го класу (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>рядів 2-го класу: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Місць: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Калькулятор місць у літаку</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>рядки (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>рядів 1-го класу: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Літак має кілька рядів пасажирських сидінь. Кожен ряд містить чотири місця.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>рядів 2-го класу (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_vi.xlf b/demos/plane/xlf/translated_msgs_vi.xlf
deleted file mode 100644
index 1f4ef6fcf07..00000000000
--- a/demos/plane/xlf/translated_msgs_vi.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="vi">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>Số hàng ghế: %1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>Tính số chỗ ngồi =</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>Một chiếc máy bay này có hai chỗ ngồi ở sàn (cho phi công trưởng và phi công phó), và một số hàng ghế hạng 1 và hạng 2.  Mỗi hàng hạng 1 có bốn chỗ ngồi. Mỗi hàng hạng 2 có năm chỗ ngồi.</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>?</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>Dưới đây hãy tạo công thức tính số chỗ ngồi trên máy bay để nó thay đổi tùy theo số lượng hàng ghế (hình trên).</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Một máy bay có hai ghế trong buồng lái (dành cho phi công trưởng và phi công phụ), và một loạt hàng ghế cho hành khách. Mỗi hàng có bốn ghế (bốn chỗ ngồi).</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>số hàng hạng nhất (%1)</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>Hàng hạng hai: %1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>Số chỗ ngồi: %1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>Máy bay ghế máy tính</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>đếm số hàng ghế (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>Hàng hạng nhất: %1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>Máy bay có một số hàng ghế hành khách.  Mỗi hàng có bốn chỗ ngồi.</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>số hàng hạng hai (%1)</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_zh-hans.xlf b/demos/plane/xlf/translated_msgs_zh-hans.xlf
deleted file mode 100644
index 2cbb7e858f5..00000000000
--- a/demos/plane/xlf/translated_msgs_zh-hans.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="zh-hans">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>行：%1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>座位＝</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>一架飞机除了有两个座位供正副驾驶员，还有一定量行数的头等及经济乘客座位。头等每行共四座，经济每行共五座。</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>？</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>于下方写出一条公式以计算飞机上的座位总数。</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>一架飞机除了有两个座位供正副驾驶员，还有一定量行数的乘客座位。每行共四座。</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>头等行（%1）</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>经济等行：%1</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>座位：%1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>飞机座位计算器</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>行 (%1)</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>头等行：%1</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>一架飞机有一定量行数的乘客座位，每行共四座。</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>经济等行（%1）</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/plane/xlf/translated_msgs_zh-hant.xlf b/demos/plane/xlf/translated_msgs_zh-hant.xlf
deleted file mode 100644
index 2dadf6d4e7c..00000000000
--- a/demos/plane/xlf/translated_msgs_zh-hant.xlf
+++ /dev/null
@@ -1,63 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<xliff version="1.2" xmlns="urn:oasis:names:tc:xliff:document:1.2">
-  <file original="SoyMsgBundle" datatype="x-soy-msg-bundle" source-language="en" target-language="zh-hant">
-    <body>
-      <trans-unit id="286555642257111053" datatype="html">
-        <source>Rows: %1</source>
-        <target>排：%1</target>
-      </trans-unit>
-      <trans-unit id="990695256953568910" datatype="html">
-        <source>seats =</source>
-        <target>座位＝</target>
-      </trans-unit>
-      <trans-unit id="1327005465775917626" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of 1st class and 2nd class passenger seats.  Each 1st class row contains four seats. Each 2nd class row contains five seats.</source>
-        <target>一架飛機除了有兩個座位供正副機師，還有一定量行數的頭等及經濟乘客座位。頭等艙每排都包含四個席位，經濟艙每排都包含五個席位。。</target>
-      </trans-unit>
-      <trans-unit id="1649099567159388799" datatype="html">
-        <source>?</source>
-        <target>？</target>
-      </trans-unit>
-      <trans-unit id="3872872459414039837" datatype="html">
-        <source>Build a formula (below) that calculates the total number of seats on the airplane as the rows are changed (above).</source>
-        <target>於下方寫出一條公式以計算飛機上的座位總數。</target>
-      </trans-unit>
-      <trans-unit id="4755413400587385256" datatype="html">
-        <source>An airplane has two seats in the flight deck (for the pilot and co-pilot), and a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>一架飛機除了有兩個座位供正副機師，還有一定量行數的乘客座位。每排都包含四個席位。</target>
-      </trans-unit>
-      <trans-unit id="5622822520334788359" datatype="html">
-        <source>1st class rows (%1)</source>
-        <target>頭等艙（%1）</target>
-      </trans-unit>
-      <trans-unit id="6523489254328705062" datatype="html">
-        <source>2nd class rows: %1</source>
-        <target>經濟艙：%1 排</target>
-      </trans-unit>
-      <trans-unit id="6636919311618748816" datatype="html">
-        <source>Seats: %1</source>
-        <target>座位：%1</target>
-      </trans-unit>
-      <trans-unit id="6646116297668869388" datatype="html">
-        <source>Plane Seat Calculator</source>
-        <target>飛機座位計算器</target>
-      </trans-unit>
-      <trans-unit id="7030918043298347994" datatype="html">
-        <source>rows (%1)</source>
-        <target>排（%1）</target>
-      </trans-unit>
-      <trans-unit id="7091637686507441682" datatype="html">
-        <source>1st class rows: %1</source>
-        <target>頭等艙：%1 排</target>
-      </trans-unit>
-      <trans-unit id="7784699858027886282" datatype="html">
-        <source>An airplane has a number of rows of passenger seats.  Each row contains four seats.</source>
-        <target>一架飛機有一定量行數的乘客座位，每排都包含四個席位。</target>
-      </trans-unit>
-      <trans-unit id="8347578891541780742" datatype="html">
-        <source>2nd class rows (%1)</source>
-        <target>經濟艙（%1）</target>
-      </trans-unit>
-    </body>
-  </file>
-</xliff>
diff --git a/demos/resizable/icon.png b/demos/resizable/icon.png
deleted file mode 100644
index c4eaf81aef9..00000000000
Binary files a/demos/resizable/icon.png and /dev/null differ
diff --git a/demos/resizable/index.html b/demos/resizable/index.html
deleted file mode 100644
index e2ee1e06d76..00000000000
--- a/demos/resizable/index.html
+++ /dev/null
@@ -1,52 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>Blockly Demo: Resizable Blockly (Part 1)</title>
-  <style>
-    html, body {
-      height: 100%;
-      margin: 0;
-    }
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-      overflow: hidden;
-    }
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-    table {
-      height: 100%;
-      width: 100%;
-    }
-    #blocklyArea {
-      height: 99%;
-      background: #fc9;
-      text-align: center;
-    }
-  </style>
-</head>
-<body>
-  <table>
-    <tr>
-      <td>
-        <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-          <a href="../index.html">Demos</a> &gt; Resizable Blockly (Part 1)</h1>
-
-        <p>The first step in creating a resizable Blockly workspace is to use
-        CSS or tables to create an area for it.
-        Next, <a href="overlay.html">inject Blockly</a> over that area.</p>
-
-        <p>&rarr; More info on <a href="https://developers.google.com/blockly/guides/configure/web/resizable">injecting resizable Blockly</a>&hellip;</p>
-      </td>
-    </tr>
-    <tr>
-      <td id="blocklyArea">
-        Blockly will be positioned here.
-      </td>
-    </tr>
-  </table>
-</body>
-</html>
diff --git a/demos/resizable/overlay.html b/demos/resizable/overlay.html
deleted file mode 100644
index 826a667bd4d..00000000000
--- a/demos/resizable/overlay.html
+++ /dev/null
@@ -1,96 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>Blockly Demo: Resizable Blockly (Part 2)</title>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
-  <style>
-    html, body {
-      height: 100%;
-      margin: 0;
-    }
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-      overflow: hidden;
-    }
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-    table {
-      height: 100%;
-      width: 100%;
-    }
-    #blocklyArea {
-      height: 99%;
-    }
-  </style>
-</head>
-<body>
-  <table>
-    <tr>
-      <td>
-        <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-          <a href="../index.html">Demos</a> &gt; Resizable Blockly (Part 2)</h1>
-
-        <p>
-          Once an <a href="index.html">area is defined</a>, Blockly can be
-          injected and positioned over the area.
-          A resize handler keeps it in position as the page changes.
-        </p>
-
-        <p>&rarr; More info on <a href="https://developers.google.com/blockly/guides/configure/web/resizable">injecting resizable Blockly</a>&hellip;</p>
-      </td>
-    </tr>
-    <tr>
-      <td id="blocklyArea">
-      </td>
-    </tr>
-  </table>
-
-  <div id="blocklyDiv" style="position: absolute"></div>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
-    <block type="controls_if"></block>
-    <block type="logic_compare"></block>
-    <block type="controls_repeat_ext"></block>
-    <block type="math_number">
-      <field name="NUM">123</field>
-    </block>
-    <block type="math_arithmetic"></block>
-    <block type="text"></block>
-    <block type="text_print"></block>
-  </xml>
-
-  <script>
-    var blocklyArea = document.getElementById('blocklyArea');
-    var blocklyDiv = document.getElementById('blocklyDiv');
-    var demoWorkspace = Blockly.inject(blocklyDiv,
-        {media: '../../media/',
-         toolbox: document.getElementById('toolbox')});
-    var onresize = function(e) {
-      // Compute the absolute coordinates and dimensions of blocklyArea.
-      var element = blocklyArea;
-      var x = 0;
-      var y = 0;
-      do {
-        x += element.offsetLeft;
-        y += element.offsetTop;
-        element = element.offsetParent;
-      } while (element);
-      // Position blocklyDiv over blocklyArea.
-      blocklyDiv.style.left = x + 'px';
-      blocklyDiv.style.top = y + 'px';
-      blocklyDiv.style.width = blocklyArea.offsetWidth + 'px';
-      blocklyDiv.style.height = blocklyArea.offsetHeight + 'px';
-      Blockly.svgResize(demoWorkspace);
-    };
-    window.addEventListener('resize', onresize, false);
-    onresize();
-    Blockly.svgResize(demoWorkspace);
-  </script>
-</body>
-</html>
diff --git a/demos/rtl/icon.png b/demos/rtl/icon.png
deleted file mode 100644
index 284c1efa894..00000000000
Binary files a/demos/rtl/icon.png and /dev/null differ
diff --git a/demos/rtl/index.html b/demos/rtl/index.html
deleted file mode 100644
index ff2b6306bed..00000000000
--- a/demos/rtl/index.html
+++ /dev/null
@@ -1,210 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <meta name="google" value="notranslate">
-  <title>Blockly Demo: RTL</title>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../msg/js/ar.js"></script>
-  <style>
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-    }
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-    #blocklyDiv {
-      height: 600px;
-      width: 800px;
-    }
-  </style>
-  <script>
-    function init() {
-      var demoWorkspace = Blockly.inject('blocklyDiv',
-          {media: '../../media/',
-           rtl: true,
-           toolbox: document.getElementById('toolbox')});
-      Blockly.Xml.domToWorkspace(document.getElementById('startBlocks'),
-                                 demoWorkspace);
-      //window.onbeforeunload = function() {
-      //  return 'Leaving this page will result in the loss of your work.';
-      //};
-    }
-  </script>
-</head>
-<body onload="init()">
-  <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-    <a href="../index.html">Demos</a> &gt; Right-to-Left</h1>
-
-  <div id="blocklyDiv"></div>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
-    <category name="منطق" colour="%{BKY_LOGIC_HUE}">
-      <block type="controls_if"></block>
-      <block type="logic_compare"></block>
-      <block type="logic_operation"></block>
-      <block type="logic_negate"></block>
-      <block type="logic_boolean"></block>
-      <block type="logic_null"></block>
-      <block type="logic_ternary"></block>
-    </category>
-    <category name="الحلقات" colour="%{BKY_LOOPS_HUE}">
-      <block type="controls_repeat_ext">
-        <value name="TIMES">
-          <block type="math_number">
-            <field name="NUM">10</field>
-          </block>
-        </value>
-      </block>
-      <block type="controls_whileUntil"></block>
-      <block type="controls_for">
-        <value name="FROM">
-          <block type="math_number">
-            <field name="NUM">1</field>
-          </block>
-        </value>
-        <value name="TO">
-          <block type="math_number">
-            <field name="NUM">10</field>
-          </block>
-        </value>
-        <value name="BY">
-          <block type="math_number">
-            <field name="NUM">1</field>
-          </block>
-        </value>
-      </block>
-      <block type="controls_forEach"></block>
-      <block type="controls_flow_statements"></block>
-    </category>
-    <category name="رياضيات" colour="%{BKY_MATH_HUE}">
-      <block type="math_number">
-        <field name="NUM">123</field>
-      </block>
-      <block type="math_arithmetic"></block>
-      <block type="math_single"></block>
-      <block type="math_trig"></block>
-      <block type="math_constant"></block>
-      <block type="math_number_property"></block>
-      <block type="math_round"></block>
-      <block type="math_on_list"></block>
-      <block type="math_modulo"></block>
-      <block type="math_constrain">
-        <value name="LOW">
-          <block type="math_number">
-            <field name="NUM">1</field>
-          </block>
-        </value>
-        <value name="HIGH">
-          <block type="math_number">
-            <field name="NUM">100</field>
-          </block>
-        </value>
-      </block>
-      <block type="math_random_int">
-        <value name="FROM">
-          <block type="math_number">
-            <field name="NUM">1</field>
-          </block>
-        </value>
-        <value name="TO">
-          <block type="math_number">
-            <field name="NUM">100</field>
-          </block>
-        </value>
-      </block>
-      <block type="math_random_float"></block>
-      <block type="math_atan2"></block>
-    </category>
-    <category name="نص" colour="%{BKY_TEXTS_HUE}">
-      <block type="text"></block>
-      <block type="text_join"></block>
-      <block type="text_append">
-        <value name="TEXT">
-          <block type="text"></block>
-        </value>
-      </block>
-      <block type="text_length"></block>
-      <block type="text_isEmpty"></block>
-      <block type="text_indexOf"></block>
-      <block type="text_charAt"></block>
-      <block type="text_changeCase"></block>
-      <block type="text_trim"></block>
-      <block type="text_print"></block>
-      <block type="text_prompt_ext">
-        <value name="TEXT">
-          <block type="text"></block>
-        </value>
-      </block>
-    </category>
-    <category name="قوائم" colour="%{BKY_LISTS_HUE}">
-      <block type="lists_create_empty"></block>
-      <block type="lists_create_with"></block>
-      <block type="lists_repeat">
-        <value name="NUM">
-          <block type="math_number">
-            <field name="NUM">5</field>
-          </block>
-        </value>
-      </block>
-      <block type="lists_length"></block>
-      <block type="lists_isEmpty"></block>
-      <block type="lists_indexOf"></block>
-      <block type="lists_getIndex"></block>
-      <block type="lists_setIndex"></block>
-    </category>
-    <category name="لون" colour="%{BKY_COLOUR_HUE}">
-      <block type="colour_picker"></block>
-      <block type="colour_rgb"></block>
-      <block type="colour_blend"></block>
-    </category>
-    <sep></sep>
-    <category name="متغيرات" custom="VARIABLE" colour="%{BKY_VARIABLES_HUE}">
-    </category>
-    <category name="إجراءات" custom="PROCEDURE" colour="%{BKY_PROCEDURES_HUE}">
-    </category>
-  </xml>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="startBlocks" style="display: none">
-    <block type="controls_if" inline="false" x="50" y="50">
-      <value name="IF0">
-        <block type="logic_compare" inline="true">
-          <field name="OP">LT</field>
-          <value name="A">
-            <block type="variables_get">
-              <field name="VAR">x</field>
-            </block>
-          </value>
-          <value name="B">
-            <block type="math_number">
-              <field name="NUM">256</field>
-            </block>
-          </value>
-        </block>
-      </value>
-      <statement name="DO0">
-        <block type="variables_set" inline="false">
-          <field name="VAR">x</field>
-          <value name="VALUE">
-            <block type="math_number">
-              <field name="NUM">0</field>
-            </block>
-          </value>
-          <next>
-            <block type="text_print" inline="false">
-              <value name="TEXT">
-                <block type="text">
-                  <field name="TEXT">أكثر من لعبة</field>
-                </block>
-              </value>
-            </block>
-          </next>
-        </block>
-      </statement>
-    </block>
-  </xml>
-</body>
-</html>
diff --git a/demos/storage/index.html b/demos/storage/index.html
index 3bd34f079d1..55bf5e92a52 100644
--- a/demos/storage/index.html
+++ b/demos/storage/index.html
@@ -4,9 +4,9 @@
   <meta charset="utf-8">
   <title>Blockly Demo: Cloud Storage</title>
   <script src="/storage.js"></script>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
+  <script src="../../dist/blockly_compressed.js"></script>
+  <script src="../../dist/blocks_compressed.js"></script>
+  <script src="../../build/msg/en.js"></script>
   <style>
     body {
       background-color: #fff;
diff --git a/demos/toolbox/icon.png b/demos/toolbox/icon.png
deleted file mode 100644
index fe54fe49219..00000000000
Binary files a/demos/toolbox/icon.png and /dev/null differ
diff --git a/demos/toolbox/index.html b/demos/toolbox/index.html
deleted file mode 100644
index 007b8eeb59f..00000000000
--- a/demos/toolbox/index.html
+++ /dev/null
@@ -1,349 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>Blockly Demo: Toolbox</title>
-  <script src="../../blockly_compressed.js"></script>
-  <script src="../../blocks_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
-  <style>
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-    }
-    h1 {
-      font-weight: normal;
-      font-size: 140%;
-    }
-  </style>
-</head>
-<body>
-  <h1><a href="https://developers.google.com/blockly/">Blockly</a> &gt;
-    <a href="../index.html">Demos</a> &gt; Toolbox</h1>
-
-  <p>This is a demo of a complex category structure for the toolbox.</p>
-
-  <p>&rarr; More info on the <a href="https://developers.google.com/blockly/guides/configure/web/toolbox">Toolbox</a>&hellip;</p>
-
-  <div id="blocklyDiv" style="height: 600px; width: 800px;"></div>
-
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox" style="display: none">
-    <category name="Logic" colour="%{BKY_LOGIC_HUE}">
-      <category name="If">
-        <block type="controls_if"></block>
-        <block type="controls_if">
-          <mutation else="1"></mutation>
-        </block>
-        <block type="controls_if">
-          <mutation elseif="1" else="1"></mutation>
-        </block>
-      </category>
-      <category name="Boolean" colour="%{BKY_LOGIC_HUE}">
-        <block type="logic_compare"></block>
-        <block type="logic_operation"></block>
-        <block type="logic_negate"></block>
-        <block type="logic_boolean"></block>
-        <block type="logic_null"></block>
-        <block type="logic_ternary"></block>
-      </category>
-    </category>
-    <category name="Loops" colour="%{BKY_LOOPS_HUE}">
-      <block type="controls_repeat_ext">
-        <value name="TIMES">
-          <block type="math_number">
-            <field name="NUM">10</field>
-          </block>
-        </value>
-      </block>
-      <block type="controls_whileUntil"></block>
-      <block type="controls_for">
-        <field name="VAR">i</field>
-        <value name="FROM">
-          <block type="math_number">
-            <field name="NUM">1</field>
-          </block>
-        </value>
-        <value name="TO">
-          <block type="math_number">
-            <field name="NUM">10</field>
-          </block>
-        </value>
-        <value name="BY">
-          <block type="math_number">
-            <field name="NUM">1</field>
-          </block>
-        </value>
-      </block>
-      <block type="controls_forEach"></block>
-      <block type="controls_flow_statements"></block>
-    </category>
-    <category name="Math" colour="%{BKY_MATH_HUE}">
-      <block type="math_number">
-        <field name="NUM">123</field>
-      </block>
-      <block type="math_arithmetic"></block>
-      <block type="math_single"></block>
-      <block type="math_trig"></block>
-      <block type="math_constant"></block>
-      <block type="math_number_property"></block>
-      <block type="math_round"></block>
-      <block type="math_on_list"></block>
-      <block type="math_modulo"></block>
-      <block type="math_constrain">
-        <value name="LOW">
-          <block type="math_number">
-            <field name="NUM">1</field>
-          </block>
-        </value>
-        <value name="HIGH">
-          <block type="math_number">
-            <field name="NUM">100</field>
-          </block>
-        </value>
-      </block>
-      <block type="math_random_int">
-        <value name="FROM">
-          <block type="math_number">
-            <field name="NUM">1</field>
-          </block>
-        </value>
-        <value name="TO">
-          <block type="math_number">
-            <field name="NUM">100</field>
-          </block>
-        </value>
-      </block>
-      <block type="math_random_float"></block>
-      <block type="math_atan2"></block>
-    </category>
-    <category name="Lists" colour="%{BKY_LISTS_HUE}">
-      <block type="lists_create_empty"></block>
-      <block type="lists_create_with"></block>
-      <block type="lists_repeat">
-        <value name="NUM">
-          <block type="math_number">
-            <field name="NUM">5</field>
-          </block>
-        </value>
-      </block>
-      <block type="lists_length"></block>
-      <block type="lists_isEmpty"></block>
-      <block type="lists_indexOf"></block>
-      <block type="lists_getIndex"></block>
-      <block type="lists_setIndex"></block>
-    </category>
-    <sep></sep>
-    <category name="Variables" custom="VARIABLE" colour="%{BKY_VARIABLES_HUE}">
-    </category>
-    <category name="Functions" custom="PROCEDURE" colour="%{BKY_PROCEDURES_HUE}">
-    </category>
-    <sep></sep>
-    <category name="Library" expanded="true">
-      <category name="Randomize">
-        <block type="procedures_defnoreturn">
-          <mutation>
-            <arg name="list"></arg>
-          </mutation>
-          <field name="NAME">randomize</field>
-          <statement name="STACK">
-            <block type="controls_for" inline="true">
-              <field name="VAR">x</field>
-              <value name="FROM">
-                <block type="math_number">
-                  <field name="NUM">1</field>
-                </block>
-              </value>
-              <value name="TO">
-                <block type="lists_length" inline="false">
-                  <value name="VALUE">
-                    <block type="variables_get">
-                      <field name="VAR">list</field>
-                    </block>
-                  </value>
-                </block>
-              </value>
-              <value name="BY">
-                <block type="math_number">
-                  <field name="NUM">1</field>
-                </block>
-              </value>
-              <statement name="DO">
-                <block type="variables_set" inline="false">
-                  <field name="VAR">y</field>
-                  <value name="VALUE">
-                    <block type="math_random_int" inline="true">
-                      <value name="FROM">
-                        <block type="math_number">
-                          <field name="NUM">1</field>
-                        </block>
-                      </value>
-                      <value name="TO">
-                        <block type="lists_length" inline="false">
-                          <value name="VALUE">
-                            <block type="variables_get">
-                              <field name="VAR">list</field>
-                            </block>
-                          </value>
-                        </block>
-                      </value>
-                    </block>
-                  </value>
-                  <next>
-                    <block type="variables_set" inline="false">
-                      <field name="VAR">temp</field>
-                      <value name="VALUE">
-                        <block type="lists_getIndex" inline="true">
-                          <mutation statement="false" at="true"></mutation>
-                          <field name="MODE">GET</field>
-                          <field name="WHERE">FROM_START</field>
-                          <value name="AT">
-                            <block type="variables_get">
-                              <field name="VAR">y</field>
-                            </block>
-                          </value>
-                          <value name="VALUE">
-                            <block type="variables_get">
-                              <field name="VAR">list</field>
-                            </block>
-                          </value>
-                        </block>
-                      </value>
-                      <next>
-                        <block type="lists_setIndex" inline="false">
-                          <value name="AT">
-                            <block type="variables_get">
-                              <field name="VAR">y</field>
-                            </block>
-                          </value>
-                          <value name="LIST">
-                            <block type="variables_get">
-                              <field name="VAR">list</field>
-                            </block>
-                          </value>
-                          <value name="TO">
-                            <block type="lists_getIndex" inline="true">
-                              <mutation statement="false" at="true"></mutation>
-                              <field name="MODE">GET</field>
-                              <field name="WHERE">FROM_START</field>
-                              <value name="AT">
-                                <block type="variables_get">
-                                  <field name="VAR">x</field>
-                                </block>
-                              </value>
-                              <value name="VALUE">
-                                <block type="variables_get">
-                                  <field name="VAR">list</field>
-                                </block>
-                              </value>
-                            </block>
-                          </value>
-                          <next>
-                            <block type="lists_setIndex" inline="false">
-                              <value name="AT">
-                                <block type="variables_get">
-                                  <field name="VAR">x</field>
-                                </block>
-                              </value>
-                              <value name="LIST">
-                                <block type="variables_get">
-                                  <field name="VAR">list</field>
-                                </block>
-                              </value>
-                              <value name="TO">
-                                <block type="variables_get">
-                                  <field name="VAR">temp</field>
-                                </block>
-                              </value>
-                            </block>
-                          </next>
-                        </block>
-                      </next>
-                    </block>
-                  </next>
-                </block>
-              </statement>
-            </block>
-          </statement>
-        </block>
-      </category>
-      <category name="Jabberwocky">
-        <block type="text_print">
-          <value name="TEXT">
-            <block type="text">
-              <field name="TEXT">'Twas brillig, and the slithy toves</field>
-            </block>
-          </value>
-          <next>
-            <block type="text_print">
-              <value name="TEXT">
-                <block type="text">
-                  <field name="TEXT">  Did gyre and gimble in the wabe:</field>
-                </block>
-              </value>
-              <next>
-                <block type="text_print">
-                  <value name="TEXT">
-                    <block type="text">
-                      <field name="TEXT">All mimsy were the borogroves,</field>
-                    </block>
-                  </value>
-                  <next>
-                    <block type="text_print">
-                      <value name="TEXT">
-                        <block type="text">
-                          <field name="TEXT">  And the mome raths outgrabe.</field>
-                        </block>
-                      </value>
-                    </block>
-                  </next>
-                </block>
-              </next>
-            </block>
-          </next>
-        </block>
-        <block type="text_print">
-          <value name="TEXT">
-            <block type="text">
-              <field name="TEXT">"Beware the Jabberwock, my son!</field>
-            </block>
-          </value>
-          <next>
-            <block type="text_print">
-              <value name="TEXT">
-                <block type="text">
-                  <field name="TEXT">  The jaws that bite, the claws that catch!</field>
-                </block>
-              </value>
-              <next>
-                <block type="text_print">
-                  <value name="TEXT">
-                    <block type="text">
-                      <field name="TEXT">Beware the Jubjub bird, and shun</field>
-                    </block>
-                  </value>
-                  <next>
-                    <block type="text_print">
-                      <value name="TEXT">
-                        <block type="text">
-                          <field name="TEXT">  The frumious Bandersnatch!"</field>
-                        </block>
-                      </value>
-                    </block>
-                  </next>
-                </block>
-              </next>
-            </block>
-          </next>
-        </block>
-      </category>
-    </category>
-  </xml>
-
-  <script>
-    var demoWorkspace = Blockly.inject('blocklyDiv',
-        {media: '../../media/',
-         toolbox: document.getElementById('toolbox')});
-  </script>
-
-</body>
-</html>
diff --git a/externs/block-externs.js b/externs/block-externs.js
deleted file mode 100644
index 870fbd5a56c..00000000000
--- a/externs/block-externs.js
+++ /dev/null
@@ -1,27 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Externs for Blockly blocks.
- * @externs
- */
-
-goog.provide('Blockly');
-goog.provide('Blockly.Blocks');
-goog.provide('Blockly.Comment');
-goog.provide('Blockly.FieldCheckbox');
-goog.provide('Blockly.FieldColour');
-goog.provide('Blockly.FieldDropdown');
-goog.provide('Blockly.FieldImage');
-goog.provide('Blockly.FieldLabel');
-goog.provide('Blockly.FieldMultilineInput');
-goog.provide('Blockly.FieldNumber');
-goog.provide('Blockly.FieldTextInput');
-goog.provide('Blockly.FieldVariable');
-goog.provide('Blockly.Mutator');
-goog.provide('Blockly.Warning');
-
-var Blockly;
\ No newline at end of file
diff --git a/externs/generator-externs.js b/externs/generator-externs.js
deleted file mode 100644
index a86531856e7..00000000000
--- a/externs/generator-externs.js
+++ /dev/null
@@ -1,17 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Externs for Blockly generators.
- * @externs
- */
-
-goog.provide('Blockly');
-goog.provide('Blockly.Generator');
-goog.provide('Blockly.utils.global');
-goog.provide('Blockly.utils.string');
-
-var Blockly;
diff --git a/externs/goog-externs.js b/externs/goog-externs.js
deleted file mode 100644
index 8b956d4b037..00000000000
--- a/externs/goog-externs.js
+++ /dev/null
@@ -1,15 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Externs for goog.
- * @externs
- */
-
-/**
- * @type {!Object}
- */
-var goog = {};
diff --git a/externs/svg-externs.js b/externs/svg-externs.js
deleted file mode 100644
index e8a3326abff..00000000000
--- a/externs/svg-externs.js
+++ /dev/null
@@ -1,10232 +0,0 @@
-/**
- * Copyright 2017 The Closure Compiler Authors
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generated by closureidl 0.2dev closureidl-parser-webkit 0.2dev dart-idl 7592.
- * Parser: type=webkit dir=${WEBKIT}/Source/WebCore/_/_.idl dir=${WEBKIT}/Source/WebCore/_/_/_.idl dir=${WEBKIT}/Source/WebCore/Modules/_/_.idl
- * Context0: id=webkit
- * Filter0: annotate-platform platform=webkit
- * Filter1: merge-supplemental
- * Filter2: fix-nulls
- * Filter3: fix-constructors
- * Filter4: rename-interfaces
- * Filter5: check-consistency
- * Context1: id=closure
- * Filter0: import context=webkit
- * Filter1: closure:merge-overloaded-methods
- * Filter2: closure:fix-callbacks remove=false
- * Filter3: closure:fix-arrays remove=simple
- * Filter4: closure:fix-optionals
- * Filter5: closure:rename-reserved-params
- * Filter6: closure:guess-interfaces
- * Filter7: closure:expand-interfaces
- * Output: format=js
- *
- * @externs
- */
-
-
-
-/**
- * @constructor
- */
-function SVGAnimatedNumberList(){}
-
-
-/**
- * @type {!SVGNumberList}
- */
-SVGAnimatedNumberList.prototype.baseVal;
-
-
-/**
- * @type {!SVGNumberList}
- */
-SVGAnimatedNumberList.prototype.animVal;
-
-
-
-/**
- * @constructor
- */
-function SVGLengthList(){}
-
-
-/**
- * @type {number}
- */
-SVGLengthList.prototype.numberOfItems;
-
-
-/** */
-SVGLengthList.prototype.clear = function(){};
-
-
-/**
- * @param {!SVGLength} item
- * @return {!SVGLength}
- */
-SVGLengthList.prototype.initialize = function(item){};
-
-
-/**
- * @param {number} index
- * @return {!SVGLength}
- */
-SVGLengthList.prototype.getItem = function(index){};
-
-
-/**
- * @param {!SVGLength} item
- * @param {number} index
- * @return {!SVGLength}
- */
-SVGLengthList.prototype.insertItemBefore = function(item, index){};
-
-
-/**
- * @param {!SVGLength} item
- * @param {number} index
- * @return {!SVGLength}
- */
-SVGLengthList.prototype.replaceItem = function(item, index){};
-
-
-/**
- * @param {number} index
- * @return {!SVGLength}
- */
-SVGLengthList.prototype.removeItem = function(index){};
-
-
-/**
- * @param {!SVGLength} item
- * @return {!SVGLength}
- */
-SVGLengthList.prototype.appendItem = function(item){};
-
-
-
-/**
- * @constructor
- * @implements {EventTarget}
- */
-function SVGElementInstance(){}
-
-
-/**
- * @type {!SVGElement}
- */
-SVGElementInstance.prototype.correspondingElement;
-
-
-/**
- * @type {!SVGUseElement}
- */
-SVGElementInstance.prototype.correspondingUseElement;
-
-
-/**
- * @type {!SVGElementInstance}
- */
-SVGElementInstance.prototype.parentNode;
-
-
-/**
- * @type {!Array<!SVGElementInstance>|!SVGElementInstanceList}
- */
-SVGElementInstance.prototype.childNodes;
-
-
-/**
- * @type {!SVGElementInstance}
- */
-SVGElementInstance.prototype.firstChild;
-
-
-/**
- * @type {!SVGElementInstance}
- */
-SVGElementInstance.prototype.lastChild;
-
-
-/**
- * @type {!SVGElementInstance}
- */
-SVGElementInstance.prototype.previousSibling;
-
-
-/**
- * @type {!SVGElementInstance}
- */
-SVGElementInstance.prototype.nextSibling;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onabort;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onblur;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onchange;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onclick;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.oncontextmenu;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.ondblclick;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onerror;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onfocus;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.oninput;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onkeydown;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onkeypress;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onkeyup;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onload;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onmousedown;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onmousemove;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onmouseout;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onmouseover;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onmouseup;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onmousewheel;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onbeforecut;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.oncut;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onbeforecopy;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.oncopy;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onbeforepaste;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onpaste;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.ondragenter;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.ondragover;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.ondragleave;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.ondrop;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.ondragstart;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.ondrag;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.ondragend;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onreset;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onresize;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onscroll;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onsearch;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onselect;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onselectstart;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onsubmit;
-
-
-/**
- * @type {!EventListener|function(!Event)}
- */
-SVGElementInstance.prototype.onunload;
-
-
-/**
- * @override
- */
-SVGElementInstance.prototype.addEventListener = function(type, listener, opt_useCapture){};
-
-
-/**
- * @override
- */
-SVGElementInstance.prototype.removeEventListener = function(type, listener, opt_useCapture){};
-
-
-/**
- * @param {!Event} event
- * @return {boolean}
- * @override
- */
-SVGElementInstance.prototype.dispatchEvent = function(event){};
-
-
-
-/**
- * @constructor
- */
-function SVGAnimatedRect(){}
-
-
-/**
- * @type {!SVGRect}
- */
-SVGAnimatedRect.prototype.baseVal;
-
-
-/**
- * @type {!SVGRect}
- */
-SVGAnimatedRect.prototype.animVal;
-
-
-
-/**
- * @constructor
- */
-function SVGAnimatedString(){}
-
-
-/**
- * @type {string}
- */
-SVGAnimatedString.prototype.baseVal;
-
-
-/**
- * @type {string}
- */
-SVGAnimatedString.prototype.animVal;
-
-
-
-/**
- * @interface
- */
-function SVGStylable(){}
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGStylable.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- */
-SVGStylable.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @interface
- */
-function SVGExternalResourcesRequired(){}
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGExternalResourcesRequired.prototype.externalResourcesRequired;
-
-
-
-/**
- * @constructor
- */
-function SVGPoint(){}
-
-
-/**
- * @type {number}
- */
-SVGPoint.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGPoint.prototype.y;
-
-
-/**
- * @param {!SVGMatrix} matrix
- * @return {!SVGPoint}
- */
-SVGPoint.prototype.matrixTransform = function(matrix){};
-
-
-
-/**
- * @constructor
- */
-function SVGMatrix(){}
-
-
-/**
- * @type {number}
- */
-SVGMatrix.prototype.a;
-
-
-/**
- * @type {number}
- */
-SVGMatrix.prototype.b;
-
-
-/**
- * @type {number}
- */
-SVGMatrix.prototype.c;
-
-
-/**
- * @type {number}
- */
-SVGMatrix.prototype.d;
-
-
-/**
- * @type {number}
- */
-SVGMatrix.prototype.e;
-
-
-/**
- * @type {number}
- */
-SVGMatrix.prototype.f;
-
-
-/**
- * @param {!SVGMatrix} secondMatrix
- * @return {!SVGMatrix}
- */
-SVGMatrix.prototype.multiply = function(secondMatrix){};
-
-
-/**
- * @return {!SVGMatrix}
- */
-SVGMatrix.prototype.inverse = function(){};
-
-
-/**
- * @param {number} x
- * @param {number} y
- * @return {!SVGMatrix}
- */
-SVGMatrix.prototype.translate = function(x, y){};
-
-
-/**
- * @param {number} scaleFactor
- * @return {!SVGMatrix}
- */
-SVGMatrix.prototype.scale = function(scaleFactor){};
-
-
-/**
- * @param {number} scaleFactorX
- * @param {number} scaleFactorY
- * @return {!SVGMatrix}
- */
-SVGMatrix.prototype.scaleNonUniform = function(scaleFactorX, scaleFactorY){};
-
-
-/**
- * @param {number} angle
- * @return {!SVGMatrix}
- */
-SVGMatrix.prototype.rotate = function(angle){};
-
-
-/**
- * @param {number} x
- * @param {number} y
- * @return {!SVGMatrix}
- */
-SVGMatrix.prototype.rotateFromVector = function(x, y){};
-
-
-/**
- * @return {!SVGMatrix}
- */
-SVGMatrix.prototype.flipX = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- */
-SVGMatrix.prototype.flipY = function(){};
-
-
-/**
- * @param {number} angle
- * @return {!SVGMatrix}
- */
-SVGMatrix.prototype.skewX = function(angle){};
-
-
-/**
- * @param {number} angle
- * @return {!SVGMatrix}
- */
-SVGMatrix.prototype.skewY = function(angle){};
-
-
-
-/**
- * @constructor
- */
-function SVGNumberList(){}
-
-
-/**
- * @type {number}
- */
-SVGNumberList.prototype.numberOfItems;
-
-
-/** */
-SVGNumberList.prototype.clear = function(){};
-
-
-/**
- * @param {!SVGNumber} item
- * @return {!SVGNumber}
- */
-SVGNumberList.prototype.initialize = function(item){};
-
-
-/**
- * @param {number} index
- * @return {!SVGNumber}
- */
-SVGNumberList.prototype.getItem = function(index){};
-
-
-/**
- * @param {!SVGNumber} item
- * @param {number} index
- * @return {!SVGNumber}
- */
-SVGNumberList.prototype.insertItemBefore = function(item, index){};
-
-
-/**
- * @param {!SVGNumber} item
- * @param {number} index
- * @return {!SVGNumber}
- */
-SVGNumberList.prototype.replaceItem = function(item, index){};
-
-
-/**
- * @param {number} index
- * @return {!SVGNumber}
- */
-SVGNumberList.prototype.removeItem = function(index){};
-
-
-/**
- * @param {!SVGNumber} item
- * @return {!SVGNumber}
- */
-SVGNumberList.prototype.appendItem = function(item){};
-
-
-
-/**
- * @interface
- */
-function SVGLangSpace(){}
-
-
-/**
- * @type {string}
- */
-SVGLangSpace.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGLangSpace.prototype.xmlspace;
-
-
-
-/**
- * @constructor
- */
-function SVGAnimatedLengthList(){}
-
-
-/**
- * @type {!SVGLengthList}
- */
-SVGAnimatedLengthList.prototype.baseVal;
-
-
-/**
- * @type {!SVGLengthList}
- */
-SVGAnimatedLengthList.prototype.animVal;
-
-
-
-/**
- * @constructor
- */
-function SVGAnimatedTransformList(){}
-
-
-/**
- * @type {!SVGTransformList}
- */
-SVGAnimatedTransformList.prototype.baseVal;
-
-
-/**
- * @type {!SVGTransformList}
- */
-SVGAnimatedTransformList.prototype.animVal;
-
-
-
-/**
- * @constructor
- */
-function SVGUnitTypes(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGUnitTypes.SVG_UNIT_TYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGUnitTypes.prototype.SVG_UNIT_TYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGUnitTypes.SVG_UNIT_TYPE_USERSPACEONUSE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGUnitTypes.prototype.SVG_UNIT_TYPE_USERSPACEONUSE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGUnitTypes.SVG_UNIT_TYPE_OBJECTBOUNDINGBOX;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGUnitTypes.prototype.SVG_UNIT_TYPE_OBJECTBOUNDINGBOX;
-
-
-
-/**
- * @constructor
- */
-function SVGLength(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.SVG_LENGTHTYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.prototype.SVG_LENGTHTYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.SVG_LENGTHTYPE_NUMBER;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.prototype.SVG_LENGTHTYPE_NUMBER;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.SVG_LENGTHTYPE_PERCENTAGE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.prototype.SVG_LENGTHTYPE_PERCENTAGE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.SVG_LENGTHTYPE_EMS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.prototype.SVG_LENGTHTYPE_EMS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.SVG_LENGTHTYPE_EXS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.prototype.SVG_LENGTHTYPE_EXS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.SVG_LENGTHTYPE_PX;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.prototype.SVG_LENGTHTYPE_PX;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.SVG_LENGTHTYPE_CM;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.prototype.SVG_LENGTHTYPE_CM;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.SVG_LENGTHTYPE_MM;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.prototype.SVG_LENGTHTYPE_MM;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.SVG_LENGTHTYPE_IN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.prototype.SVG_LENGTHTYPE_IN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.SVG_LENGTHTYPE_PT;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.prototype.SVG_LENGTHTYPE_PT;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.SVG_LENGTHTYPE_PC;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGLength.prototype.SVG_LENGTHTYPE_PC;
-
-
-/**
- * @type {number}
- */
-SVGLength.prototype.unitType;
-
-
-/**
- * @type {number}
- */
-SVGLength.prototype.value;
-
-
-/**
- * @type {number}
- */
-SVGLength.prototype.valueInSpecifiedUnits;
-
-
-/**
- * @type {string}
- */
-SVGLength.prototype.valueAsString;
-
-
-/**
- * @param {number} unitType
- * @param {number} valueInSpecifiedUnits
- * @return {undefined}
- */
-SVGLength.prototype.newValueSpecifiedUnits = function(unitType, valueInSpecifiedUnits){};
-
-
-/**
- * @param {number} unitType
- * @return {undefined}
- */
-SVGLength.prototype.convertToSpecifiedUnits = function(unitType){};
-
-
-
-/**
- * @constructor
- */
-function SVGAnimatedNumber(){}
-
-
-/**
- * @type {number}
- */
-SVGAnimatedNumber.prototype.baseVal;
-
-
-/**
- * @type {number}
- */
-SVGAnimatedNumber.prototype.animVal;
-
-
-
-/**
- * @constructor
- */
-function SVGAnimatedAngle(){}
-
-
-/**
- * @type {!SVGAngle}
- */
-SVGAnimatedAngle.prototype.baseVal;
-
-
-/**
- * @type {!SVGAngle}
- */
-SVGAnimatedAngle.prototype.animVal;
-
-
-
-/**
- * @interface
- * @extends {SVGStylable}
- */
-function SVGFilterPrimitiveStandardAttributes(){}
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFilterPrimitiveStandardAttributes.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFilterPrimitiveStandardAttributes.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFilterPrimitiveStandardAttributes.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFilterPrimitiveStandardAttributes.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFilterPrimitiveStandardAttributes.prototype.result;
-
-
-
-/**
- * @constructor
- * @extends {SVGGradientElement}
- */
-function SVGLinearGradientElement(){}
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGLinearGradientElement.prototype.x1;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGLinearGradientElement.prototype.y1;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGLinearGradientElement.prototype.x2;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGLinearGradientElement.prototype.y2;
-
-
-
-/**
- * @constructor
- * @extends {SVGGradientElement}
- */
-function SVGRadialGradientElement(){}
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGRadialGradientElement.prototype.cx;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGRadialGradientElement.prototype.cy;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGRadialGradientElement.prototype.r;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGRadialGradientElement.prototype.fx;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGRadialGradientElement.prototype.fy;
-
-
-
-/**
- * @constructor
- */
-function SVGTransform(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTransform.SVG_TRANSFORM_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTransform.prototype.SVG_TRANSFORM_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTransform.SVG_TRANSFORM_MATRIX;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTransform.prototype.SVG_TRANSFORM_MATRIX;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTransform.SVG_TRANSFORM_TRANSLATE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTransform.prototype.SVG_TRANSFORM_TRANSLATE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTransform.SVG_TRANSFORM_SCALE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTransform.prototype.SVG_TRANSFORM_SCALE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTransform.SVG_TRANSFORM_ROTATE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTransform.prototype.SVG_TRANSFORM_ROTATE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTransform.SVG_TRANSFORM_SKEWX;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTransform.prototype.SVG_TRANSFORM_SKEWX;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTransform.SVG_TRANSFORM_SKEWY;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTransform.prototype.SVG_TRANSFORM_SKEWY;
-
-
-/**
- * @type {number}
- */
-SVGTransform.prototype.type;
-
-
-/**
- * @type {!SVGMatrix}
- */
-SVGTransform.prototype.matrix;
-
-
-/**
- * @type {number}
- */
-SVGTransform.prototype.angle;
-
-
-/**
- * @param {!SVGMatrix} matrix
- * @return {undefined}
- */
-SVGTransform.prototype.setMatrix = function(matrix){};
-
-
-/**
- * @param {number} tx
- * @param {number} ty
- * @return {undefined}
- */
-SVGTransform.prototype.setTranslate = function(tx, ty){};
-
-
-/**
- * @param {number} sx
- * @param {number} sy
- * @return {undefined}
- */
-SVGTransform.prototype.setScale = function(sx, sy){};
-
-
-/**
- * @param {number} angle
- * @param {number} cx
- * @param {number} cy
- * @return {undefined}
- */
-SVGTransform.prototype.setRotate = function(angle, cx, cy){};
-
-
-/**
- * @param {number} angle
- * @return {undefined}
- */
-SVGTransform.prototype.setSkewX = function(angle){};
-
-
-/**
- * @param {number} angle
- * @return {undefined}
- */
-SVGTransform.prototype.setSkewY = function(angle){};
-
-
-
-/**
- * @interface
- */
-function SVGZoomAndPan(){}
-
-/**
- * @type {number}
- */
-SVGZoomAndPan.prototype.zoomAndPan;
-
-
-
-/**
- * @constructor
- */
-function SVGPreserveAspectRatio(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.SVG_PRESERVEASPECTRATIO_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_NONE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.SVG_PRESERVEASPECTRATIO_NONE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_XMINYMIN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.SVG_PRESERVEASPECTRATIO_XMINYMIN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_XMIDYMIN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.SVG_PRESERVEASPECTRATIO_XMIDYMIN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_XMAXYMIN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.SVG_PRESERVEASPECTRATIO_XMAXYMIN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_XMINYMID;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.SVG_PRESERVEASPECTRATIO_XMINYMID;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_XMIDYMID;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.SVG_PRESERVEASPECTRATIO_XMIDYMID;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_XMAXYMID;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.SVG_PRESERVEASPECTRATIO_XMAXYMID;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_XMINYMAX;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.SVG_PRESERVEASPECTRATIO_XMINYMAX;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_XMIDYMAX;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.SVG_PRESERVEASPECTRATIO_XMIDYMAX;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.SVG_PRESERVEASPECTRATIO_XMAXYMAX;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.SVG_PRESERVEASPECTRATIO_XMAXYMAX;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.SVG_MEETORSLICE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.SVG_MEETORSLICE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.SVG_MEETORSLICE_MEET;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.SVG_MEETORSLICE_MEET;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.SVG_MEETORSLICE_SLICE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.SVG_MEETORSLICE_SLICE;
-
-
-/**
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.align;
-
-
-/**
- * @type {number}
- */
-SVGPreserveAspectRatio.prototype.meetOrSlice;
-
-
-
-/**
- * @constructor
- */
-function SVGRect(){}
-
-
-/**
- * @type {number}
- */
-SVGRect.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGRect.prototype.y;
-
-
-/**
- * @type {number}
- */
-SVGRect.prototype.width;
-
-
-/**
- * @type {number}
- */
-SVGRect.prototype.height;
-
-
-
-/**
- * @constructor
- */
-function SVGException(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGException.SVG_WRONG_TYPE_ERR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGException.prototype.SVG_WRONG_TYPE_ERR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGException.SVG_INVALID_VALUE_ERR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGException.prototype.SVG_INVALID_VALUE_ERR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGException.SVG_MATRIX_NOT_INVERTABLE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGException.prototype.SVG_MATRIX_NOT_INVERTABLE;
-
-
-/**
- * @type {number}
- */
-SVGException.prototype.code;
-
-
-/**
- * @type {string}
- */
-SVGException.prototype.name;
-
-
-/**
- * @type {string}
- */
-SVGException.prototype.message;
-
-
-/**
- * @return {string}
- * @override
- */
-SVGException.prototype.toString = function(){};
-
-
-
-/**
- * @constructor
- * @extends {CSSValue}
- */
-function SVGColor(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGColor.SVG_COLORTYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGColor.prototype.SVG_COLORTYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGColor.SVG_COLORTYPE_RGBCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGColor.prototype.SVG_COLORTYPE_RGBCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGColor.SVG_COLORTYPE_RGBCOLOR_ICCCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGColor.prototype.SVG_COLORTYPE_RGBCOLOR_ICCCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGColor.SVG_COLORTYPE_CURRENTCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGColor.prototype.SVG_COLORTYPE_CURRENTCOLOR;
-
-
-/**
- * @type {number}
- */
-SVGColor.prototype.colorType;
-
-
-/**
- * @type {!RGBColor}
- */
-SVGColor.prototype.rgbColor;
-
-
-/**
- * @param {string} rgbColor
- * @return {undefined}
- */
-SVGColor.prototype.setRGBColor = function(rgbColor){};
-
-
-/**
- * @param {string} rgbColor
- * @param {string} iccColor
- * @return {undefined}
- */
-SVGColor.prototype.setRGBColorICCColor = function(rgbColor, iccColor){};
-
-
-/**
- * @param {number} colorType
- * @param {string} rgbColor
- * @param {string} iccColor
- * @return {undefined}
- */
-SVGColor.prototype.setColor = function(colorType, rgbColor, iccColor){};
-
-
-
-/**
- * @constructor
- * @extends {SVGColor}
- */
-function SVGPaint(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.SVG_PAINTTYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.prototype.SVG_PAINTTYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.SVG_PAINTTYPE_RGBCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.prototype.SVG_PAINTTYPE_RGBCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.prototype.SVG_PAINTTYPE_RGBCOLOR_ICCCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.SVG_PAINTTYPE_NONE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.prototype.SVG_PAINTTYPE_NONE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.SVG_PAINTTYPE_CURRENTCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.prototype.SVG_PAINTTYPE_CURRENTCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.SVG_PAINTTYPE_URI_NONE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.prototype.SVG_PAINTTYPE_URI_NONE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.SVG_PAINTTYPE_URI_CURRENTCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.prototype.SVG_PAINTTYPE_URI_CURRENTCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.SVG_PAINTTYPE_URI_RGBCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.prototype.SVG_PAINTTYPE_URI_RGBCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.prototype.SVG_PAINTTYPE_URI_RGBCOLOR_ICCCOLOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.SVG_PAINTTYPE_URI;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPaint.prototype.SVG_PAINTTYPE_URI;
-
-
-/**
- * @type {number}
- */
-SVGPaint.prototype.paintType;
-
-
-/**
- * @type {string}
- */
-SVGPaint.prototype.uri;
-
-
-/**
- * @param {string} uri
- * @return {undefined}
- */
-SVGPaint.prototype.setUri = function(uri){};
-
-
-/**
- * @param {number} paintType
- * @param {string} uri
- * @param {string} rgbColor
- * @param {string} iccColor
- * @return {undefined}
- */
-SVGPaint.prototype.setPaint = function(paintType, uri, rgbColor, iccColor){};
-
-
-
-/**
- * @constructor
- */
-function SVGPointList(){}
-
-
-/**
- * @type {number}
- */
-SVGPointList.prototype.numberOfItems;
-
-
-/** */
-SVGPointList.prototype.clear = function(){};
-
-
-/**
- * @param {!SVGPoint} item
- * @return {!SVGPoint}
- */
-SVGPointList.prototype.initialize = function(item){};
-
-
-/**
- * @param {number} index
- * @return {!SVGPoint}
- */
-SVGPointList.prototype.getItem = function(index){};
-
-
-/**
- * @param {!SVGPoint} item
- * @param {number} index
- * @return {!SVGPoint}
- */
-SVGPointList.prototype.insertItemBefore = function(item, index){};
-
-
-/**
- * @param {!SVGPoint} item
- * @param {number} index
- * @return {!SVGPoint}
- */
-SVGPointList.prototype.replaceItem = function(item, index){};
-
-
-/**
- * @param {number} index
- * @return {!SVGPoint}
- */
-SVGPointList.prototype.removeItem = function(index){};
-
-
-/**
- * @param {!SVGPoint} item
- * @return {!SVGPoint}
- */
-SVGPointList.prototype.appendItem = function(item){};
-
-
-
-/**
- * @constructor
- */
-function SVGTransformList(){}
-
-
-/**
- * @type {number}
- */
-SVGTransformList.prototype.numberOfItems;
-
-
-/** */
-SVGTransformList.prototype.clear = function(){};
-
-
-/**
- * @param {!SVGTransform} item
- * @return {!SVGTransform}
- */
-SVGTransformList.prototype.initialize = function(item){};
-
-
-/**
- * @param {number} index
- * @return {!SVGTransform}
- */
-SVGTransformList.prototype.getItem = function(index){};
-
-
-/**
- * @param {!SVGTransform} item
- * @param {number} index
- * @return {!SVGTransform}
- */
-SVGTransformList.prototype.insertItemBefore = function(item, index){};
-
-
-/**
- * @param {!SVGTransform} item
- * @param {number} index
- * @return {!SVGTransform}
- */
-SVGTransformList.prototype.replaceItem = function(item, index){};
-
-
-/**
- * @param {number} index
- * @return {!SVGTransform}
- */
-SVGTransformList.prototype.removeItem = function(index){};
-
-
-/**
- * @param {!SVGTransform} item
- * @return {!SVGTransform}
- */
-SVGTransformList.prototype.appendItem = function(item){};
-
-
-/**
- * @param {!SVGMatrix} matrix
- * @return {!SVGTransform}
- */
-SVGTransformList.prototype.createSVGTransformFromMatrix = function(matrix){};
-
-
-/**
- * @return {!SVGTransform}
- */
-SVGTransformList.prototype.consolidate = function(){};
-
-
-
-/**
- * @constructor
- * @extends {UIEvent}
- */
-function SVGZoomEvent(){}
-
-
-/**
- * @type {!SVGRect}
- */
-SVGZoomEvent.prototype.zoomRectScreen;
-
-
-/**
- * @type {number}
- */
-SVGZoomEvent.prototype.previousScale;
-
-
-/**
- * @type {!SVGPoint}
- */
-SVGZoomEvent.prototype.previousTranslate;
-
-
-/**
- * @type {number}
- */
-SVGZoomEvent.prototype.newScale;
-
-
-/**
- * @type {!SVGPoint}
- */
-SVGZoomEvent.prototype.newTranslate;
-
-
-
-/**
- * @constructor
- * @extends {SVGTextContentElement}
- */
-function SVGTextPositioningElement(){}
-
-
-/**
- * @type {!SVGAnimatedLengthList}
- */
-SVGTextPositioningElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLengthList}
- */
-SVGTextPositioningElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLengthList}
- */
-SVGTextPositioningElement.prototype.dx;
-
-
-/**
- * @type {!SVGAnimatedLengthList}
- */
-SVGTextPositioningElement.prototype.dy;
-
-
-/**
- * @type {!SVGAnimatedNumberList}
- */
-SVGTextPositioningElement.prototype.rotate;
-
-
-
-/**
- * @constructor
- * @extends {SVGTextPositioningElement}
- */
-function SVGTSpanElement(){}
-
-
-
-/**
- * @constructor
- */
-function SVGStringList(){}
-
-
-/**
- * @type {number}
- */
-SVGStringList.prototype.numberOfItems;
-
-
-/** */
-SVGStringList.prototype.clear = function(){};
-
-
-/**
- * @param {string} item
- * @return {string}
- */
-SVGStringList.prototype.initialize = function(item){};
-
-
-/**
- * @param {number} index
- * @return {string}
- */
-SVGStringList.prototype.getItem = function(index){};
-
-
-/**
- * @param {string} item
- * @param {number} index
- * @return {string}
- */
-SVGStringList.prototype.insertItemBefore = function(item, index){};
-
-
-/**
- * @param {string} item
- * @param {number} index
- * @return {string}
- */
-SVGStringList.prototype.replaceItem = function(item, index){};
-
-
-/**
- * @param {number} index
- * @return {string}
- */
-SVGStringList.prototype.removeItem = function(index){};
-
-
-/**
- * @param {string} item
- * @return {string}
- */
-SVGStringList.prototype.appendItem = function(item){};
-
-
-
-/**
- * @interface
- */
-function SVGURIReference(){}
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGURIReference.prototype.href;
-
-
-
-/**
- * @constructor
- * @extends {SVGTextPositioningElement}
- * @implements {SVGURIReference}
- */
-function SVGTRefElement(){}
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGTRefElement.prototype.href;
-
-
-
-/**
- * @constructor
- * @extends {SVGTextContentElement}
- * @implements {SVGURIReference}
- */
-function SVGTextPathElement(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextPathElement.TEXTPATH_METHODTYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextPathElement.prototype.TEXTPATH_METHODTYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextPathElement.TEXTPATH_METHODTYPE_ALIGN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextPathElement.prototype.TEXTPATH_METHODTYPE_ALIGN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextPathElement.TEXTPATH_METHODTYPE_STRETCH;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextPathElement.prototype.TEXTPATH_METHODTYPE_STRETCH;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextPathElement.TEXTPATH_SPACINGTYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextPathElement.prototype.TEXTPATH_SPACINGTYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextPathElement.TEXTPATH_SPACINGTYPE_AUTO;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextPathElement.prototype.TEXTPATH_SPACINGTYPE_AUTO;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextPathElement.TEXTPATH_SPACINGTYPE_EXACT;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextPathElement.prototype.TEXTPATH_SPACINGTYPE_EXACT;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGTextPathElement.prototype.startOffset;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGTextPathElement.prototype.method;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGTextPathElement.prototype.spacing;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGTextPathElement.prototype.href;
-
-
-
-/**
- * @constructor
- * @extends {SVGTextPositioningElement}
- * @implements {SVGURIReference}
- */
-function SVGAltGlyphElement(){}
-
-
-/**
- * @type {string}
- */
-SVGAltGlyphElement.prototype.glyphRef;
-
-
-/**
- * @type {string}
- */
-SVGAltGlyphElement.prototype.format;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGAltGlyphElement.prototype.href;
-
-
-
-/**
- * @constructor
- * @extends {SVGComponentTransferFunctionElement}
- */
-function SVGFEFuncGElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGComponentTransferFunctionElement}
- */
-function SVGFEFuncAElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGComponentTransferFunctionElement}
- */
-function SVGFEFuncRElement(){}
-
-
-
-/**
- * @constructor
- */
-function SVGNumber(){}
-
-
-/**
- * @type {number}
- */
-SVGNumber.prototype.value;
-
-
-
-/**
- * @interface
- */
-function SVGTests(){}
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGTests.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGTests.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGTests.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- */
-SVGTests.prototype.hasExtension = function(opt_extension){};
-
-
-
-/**
- * @constructor
- */
-function SVGPathSeg(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_CLOSEPATH;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_CLOSEPATH;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_MOVETO_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_MOVETO_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_MOVETO_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_MOVETO_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_LINETO_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_LINETO_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_LINETO_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_LINETO_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_CURVETO_CUBIC_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_CURVETO_CUBIC_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_CURVETO_QUADRATIC_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_CURVETO_QUADRATIC_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_ARC_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_ARC_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_ARC_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_ARC_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_LINETO_HORIZONTAL_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_LINETO_HORIZONTAL_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_LINETO_VERTICAL_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_LINETO_VERTICAL_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGPathSeg.prototype.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;
-
-
-/**
- * @type {number}
- */
-SVGPathSeg.prototype.pathSegType;
-
-
-/**
- * @type {string}
- */
-SVGPathSeg.prototype.pathSegTypeAsLetter;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegCurvetoQuadraticSmoothAbs(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoQuadraticSmoothAbs.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoQuadraticSmoothAbs.prototype.y;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegArcRel(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegArcRel.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGPathSegArcRel.prototype.y;
-
-
-/**
- * @type {number}
- */
-SVGPathSegArcRel.prototype.r1;
-
-
-/**
- * @type {number}
- */
-SVGPathSegArcRel.prototype.r2;
-
-
-/**
- * @type {number}
- */
-SVGPathSegArcRel.prototype.angle;
-
-
-/**
- * @type {boolean}
- */
-SVGPathSegArcRel.prototype.largeArcFlag;
-
-
-/**
- * @type {boolean}
- */
-SVGPathSegArcRel.prototype.sweepFlag;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegCurvetoQuadraticAbs(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoQuadraticAbs.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoQuadraticAbs.prototype.y;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoQuadraticAbs.prototype.x1;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoQuadraticAbs.prototype.y1;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegLinetoHorizontalRel(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegLinetoHorizontalRel.prototype.x;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegLinetoRel(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegLinetoRel.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGPathSegLinetoRel.prototype.y;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegCurvetoCubicRel(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicRel.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicRel.prototype.y;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicRel.prototype.x1;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicRel.prototype.y1;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicRel.prototype.x2;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicRel.prototype.y2;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegMovetoAbs(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegMovetoAbs.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGPathSegMovetoAbs.prototype.y;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegCurvetoQuadraticSmoothRel(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoQuadraticSmoothRel.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoQuadraticSmoothRel.prototype.y;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegLinetoVerticalRel(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegLinetoVerticalRel.prototype.y;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegLinetoAbs(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegLinetoAbs.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGPathSegLinetoAbs.prototype.y;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegCurvetoCubicSmoothRel(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicSmoothRel.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicSmoothRel.prototype.y;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicSmoothRel.prototype.x2;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicSmoothRel.prototype.y2;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegLinetoHorizontalAbs(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegLinetoHorizontalAbs.prototype.x;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegCurvetoQuadraticRel(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoQuadraticRel.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoQuadraticRel.prototype.y;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoQuadraticRel.prototype.x1;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoQuadraticRel.prototype.y1;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegCurvetoCubicSmoothAbs(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicSmoothAbs.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicSmoothAbs.prototype.y;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicSmoothAbs.prototype.x2;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicSmoothAbs.prototype.y2;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegCurvetoCubicAbs(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicAbs.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicAbs.prototype.y;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicAbs.prototype.x1;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicAbs.prototype.y1;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicAbs.prototype.x2;
-
-
-/**
- * @type {number}
- */
-SVGPathSegCurvetoCubicAbs.prototype.y2;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegClosePath(){}
-
-
-
-/**
- * @interface
- */
-function SVGFitToViewBox(){}
-
-
-/**
- * @type {!SVGAnimatedRect}
- */
-SVGFitToViewBox.prototype.viewBox;
-
-
-/**
- * @type {!SVGAnimatedPreserveAspectRatio}
- */
-SVGFitToViewBox.prototype.preserveAspectRatio;
-
-
-
-/**
- * @constructor
- * @implements {SVGZoomAndPan}
- * @implements {SVGFitToViewBox}
- */
-function SVGViewSpec(){}
-
-
-/**
- * @type {!SVGTransformList}
- */
-SVGViewSpec.prototype.transform;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGViewSpec.prototype.viewTarget;
-
-
-/**
- * @type {string}
- */
-SVGViewSpec.prototype.viewBoxString;
-
-
-/**
- * @type {string}
- */
-SVGViewSpec.prototype.preserveAspectRatioString;
-
-
-/**
- * @type {string}
- */
-SVGViewSpec.prototype.transformString;
-
-
-/**
- * @type {string}
- */
-SVGViewSpec.prototype.viewTargetString;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGViewSpec.SVG_ZOOMANDPAN_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGViewSpec.prototype.SVG_ZOOMANDPAN_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGViewSpec.SVG_ZOOMANDPAN_DISABLE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGViewSpec.prototype.SVG_ZOOMANDPAN_DISABLE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGViewSpec.SVG_ZOOMANDPAN_MAGNIFY;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGViewSpec.prototype.SVG_ZOOMANDPAN_MAGNIFY;
-
-
-/**
- * @type {number}
- */
-SVGViewSpec.prototype.zoomAndPan;
-
-
-/**
- * @type {!SVGAnimatedRect}
- */
-SVGViewSpec.prototype.viewBox;
-
-
-/**
- * @type {!SVGAnimatedPreserveAspectRatio}
- */
-SVGViewSpec.prototype.preserveAspectRatio;
-
-
-
-/**
- * @constructor
- */
-function SVGRenderingIntent(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGRenderingIntent.RENDERING_INTENT_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGRenderingIntent.prototype.RENDERING_INTENT_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGRenderingIntent.RENDERING_INTENT_AUTO;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGRenderingIntent.prototype.RENDERING_INTENT_AUTO;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGRenderingIntent.RENDERING_INTENT_PERCEPTUAL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGRenderingIntent.prototype.RENDERING_INTENT_PERCEPTUAL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGRenderingIntent.RENDERING_INTENT_RELATIVE_COLORIMETRIC;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGRenderingIntent.prototype.RENDERING_INTENT_RELATIVE_COLORIMETRIC;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGRenderingIntent.RENDERING_INTENT_SATURATION;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGRenderingIntent.prototype.RENDERING_INTENT_SATURATION;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGRenderingIntent.RENDERING_INTENT_ABSOLUTE_COLORIMETRIC;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGRenderingIntent.prototype.RENDERING_INTENT_ABSOLUTE_COLORIMETRIC;
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegLinetoVerticalAbs(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegLinetoVerticalAbs.prototype.y;
-
-
-
-/**
- * @constructor
- */
-function SVGPathSegList(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegList.prototype.numberOfItems;
-
-
-/** */
-SVGPathSegList.prototype.clear = function(){};
-
-
-/**
- * @param {!SVGPathSeg} newItem
- * @return {!SVGPathSeg}
- */
-SVGPathSegList.prototype.initialize = function(newItem){};
-
-
-/**
- * @param {number} index
- * @return {!SVGPathSeg}
- */
-SVGPathSegList.prototype.getItem = function(index){};
-
-
-/**
- * @param {!SVGPathSeg} newItem
- * @param {number} index
- * @return {!SVGPathSeg}
- */
-SVGPathSegList.prototype.insertItemBefore = function(newItem, index){};
-
-
-/**
- * @param {!SVGPathSeg} newItem
- * @param {number} index
- * @return {!SVGPathSeg}
- */
-SVGPathSegList.prototype.replaceItem = function(newItem, index){};
-
-
-/**
- * @param {number} index
- * @return {!SVGPathSeg}
- */
-SVGPathSegList.prototype.removeItem = function(index){};
-
-
-/**
- * @param {!SVGPathSeg} newItem
- * @return {!SVGPathSeg}
- */
-SVGPathSegList.prototype.appendItem = function(newItem){};
-
-
-
-/**
- * @constructor
- * @extends {Document}
- */
-function SVGDocument(){}
-
-
-/**
- * @type {!SVGSVGElement}
- */
-SVGDocument.prototype.rootElement;
-
-
-/**
- * @param {string=} opt_eventType
- * @return {!Event}
- * @override
- */
-SVGDocument.prototype.createEvent = function(opt_eventType){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGAltGlyphItemElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGFontFaceFormatElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFECompositeElement(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFECompositeElement.SVG_FECOMPOSITE_OPERATOR_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFECompositeElement.prototype.SVG_FECOMPOSITE_OPERATOR_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFECompositeElement.SVG_FECOMPOSITE_OPERATOR_OVER;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFECompositeElement.prototype.SVG_FECOMPOSITE_OPERATOR_OVER;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFECompositeElement.SVG_FECOMPOSITE_OPERATOR_IN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFECompositeElement.prototype.SVG_FECOMPOSITE_OPERATOR_IN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFECompositeElement.SVG_FECOMPOSITE_OPERATOR_OUT;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFECompositeElement.prototype.SVG_FECOMPOSITE_OPERATOR_OUT;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFECompositeElement.SVG_FECOMPOSITE_OPERATOR_ATOP;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFECompositeElement.prototype.SVG_FECOMPOSITE_OPERATOR_ATOP;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFECompositeElement.SVG_FECOMPOSITE_OPERATOR_XOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFECompositeElement.prototype.SVG_FECOMPOSITE_OPERATOR_XOR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFECompositeElement.SVG_FECOMPOSITE_OPERATOR_ARITHMETIC;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFECompositeElement.prototype.SVG_FECOMPOSITE_OPERATOR_ARITHMETIC;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFECompositeElement.prototype.in1;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFECompositeElement.prototype.in2;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGFECompositeElement.prototype.operator;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFECompositeElement.prototype.k1;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFECompositeElement.prototype.k2;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFECompositeElement.prototype.k3;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFECompositeElement.prototype.k4;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFECompositeElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFECompositeElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFECompositeElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFECompositeElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFECompositeElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFECompositeElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFECompositeElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGLangSpace}
- * @implements {SVGStylable}
- */
-function SVGDescElement(){}
-
-
-/**
- * @type {string}
- */
-SVGDescElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGDescElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGDescElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGDescElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGTransformable}
- */
-function SVGEllipseElement(){}
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGEllipseElement.prototype.cx;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGEllipseElement.prototype.cy;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGEllipseElement.prototype.rx;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGEllipseElement.prototype.ry;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGEllipseElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGEllipseElement.prototype.transform;
-
-
-/**
- * @type {string}
- */
-SVGEllipseElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGEllipseElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGEllipseElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- * @override
- */
-SVGEllipseElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGEllipseElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGEllipseElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGEllipseElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGEllipseElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGEllipseElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGEllipseElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGEllipseElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGEllipseElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGEllipseElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGEllipseElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFESpecularLightingElement(){}
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFESpecularLightingElement.prototype.in1;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFESpecularLightingElement.prototype.surfaceScale;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFESpecularLightingElement.prototype.specularConstant;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFESpecularLightingElement.prototype.specularExponent;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFESpecularLightingElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFESpecularLightingElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFESpecularLightingElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFESpecularLightingElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFESpecularLightingElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFESpecularLightingElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFESpecularLightingElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFEColorMatrixElement(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEColorMatrixElement.SVG_FECOLORMATRIX_TYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEColorMatrixElement.prototype.SVG_FECOLORMATRIX_TYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEColorMatrixElement.SVG_FECOLORMATRIX_TYPE_MATRIX;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEColorMatrixElement.prototype.SVG_FECOLORMATRIX_TYPE_MATRIX;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEColorMatrixElement.SVG_FECOLORMATRIX_TYPE_SATURATE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEColorMatrixElement.prototype.SVG_FECOLORMATRIX_TYPE_SATURATE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEColorMatrixElement.SVG_FECOLORMATRIX_TYPE_HUEROTATE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEColorMatrixElement.prototype.SVG_FECOLORMATRIX_TYPE_HUEROTATE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEColorMatrixElement.SVG_FECOLORMATRIX_TYPE_LUMINANCETOALPHA;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEColorMatrixElement.prototype.SVG_FECOLORMATRIX_TYPE_LUMINANCETOALPHA;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEColorMatrixElement.prototype.in1;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGFEColorMatrixElement.prototype.type;
-
-
-/**
- * @type {!SVGAnimatedNumberList}
- */
-SVGFEColorMatrixElement.prototype.values;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEColorMatrixElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEColorMatrixElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEColorMatrixElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEColorMatrixElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEColorMatrixElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEColorMatrixElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFEColorMatrixElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGFitToViewBox}
- */
-function SVGSymbolElement(){}
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGSymbolElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedRect}
- */
-SVGSymbolElement.prototype.viewBox;
-
-
-/**
- * @type {!SVGAnimatedPreserveAspectRatio}
- */
-SVGSymbolElement.prototype.preserveAspectRatio;
-
-
-/**
- * @type {string}
- */
-SVGSymbolElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGSymbolElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGSymbolElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGSymbolElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFEConvolveMatrixElement(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEConvolveMatrixElement.SVG_EDGEMODE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEConvolveMatrixElement.prototype.SVG_EDGEMODE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEConvolveMatrixElement.SVG_EDGEMODE_DUPLICATE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEConvolveMatrixElement.prototype.SVG_EDGEMODE_DUPLICATE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEConvolveMatrixElement.SVG_EDGEMODE_WRAP;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEConvolveMatrixElement.prototype.SVG_EDGEMODE_WRAP;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEConvolveMatrixElement.SVG_EDGEMODE_NONE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEConvolveMatrixElement.prototype.SVG_EDGEMODE_NONE;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEConvolveMatrixElement.prototype.in1;
-
-
-/**
- * @type {!SVGAnimatedInteger}
- */
-SVGFEConvolveMatrixElement.prototype.orderX;
-
-
-/**
- * @type {!SVGAnimatedInteger}
- */
-SVGFEConvolveMatrixElement.prototype.orderY;
-
-
-/**
- * @type {!SVGAnimatedNumberList}
- */
-SVGFEConvolveMatrixElement.prototype.kernelMatrix;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEConvolveMatrixElement.prototype.divisor;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEConvolveMatrixElement.prototype.bias;
-
-
-/**
- * @type {!SVGAnimatedInteger}
- */
-SVGFEConvolveMatrixElement.prototype.targetX;
-
-
-/**
- * @type {!SVGAnimatedInteger}
- */
-SVGFEConvolveMatrixElement.prototype.targetY;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGFEConvolveMatrixElement.prototype.edgeMode;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEConvolveMatrixElement.prototype.kernelUnitLengthX;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEConvolveMatrixElement.prototype.kernelUnitLengthY;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGFEConvolveMatrixElement.prototype.preserveAlpha;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEConvolveMatrixElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEConvolveMatrixElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEConvolveMatrixElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEConvolveMatrixElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEConvolveMatrixElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEConvolveMatrixElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFEConvolveMatrixElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFEFloodElement(){}
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEFloodElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEFloodElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEFloodElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEFloodElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEFloodElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEFloodElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFEFloodElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGStylable}
- */
-function SVGStopElement(){}
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGStopElement.prototype.offset;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGStopElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGStopElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGGlyphElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGHKernElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGVKernElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGFontElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFEOffsetElement(){}
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEOffsetElement.prototype.in1;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEOffsetElement.prototype.dx;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEOffsetElement.prototype.dy;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEOffsetElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEOffsetElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEOffsetElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEOffsetElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEOffsetElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEOffsetElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFEOffsetElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGURIReference}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- */
-function SVGFilterElement(){}
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGFilterElement.prototype.filterUnits;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGFilterElement.prototype.primitiveUnits;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFilterElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFilterElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFilterElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFilterElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedInteger}
- */
-SVGFilterElement.prototype.filterResX;
-
-
-/**
- * @type {!SVGAnimatedInteger}
- */
-SVGFilterElement.prototype.filterResY;
-
-
-/**
- * @param {number=} opt_filterResX
- * @param {number=} opt_filterResY
- * @return {undefined}
- */
-SVGFilterElement.prototype.setFilterRes = function(opt_filterResX, opt_filterResY){};
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGFilterElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFilterElement.prototype.href;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFilterElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFilterElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-/**
- * @type {string}
- */
-SVGFilterElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGFilterElement.prototype.xmlspace;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFEGaussianBlurElement(){}
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEGaussianBlurElement.prototype.in1;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEGaussianBlurElement.prototype.stdDeviationX;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEGaussianBlurElement.prototype.stdDeviationY;
-
-
-/**
- * @param {number=} opt_stdDeviationX
- * @param {number=} opt_stdDeviationY
- * @return {undefined}
- */
-SVGFEGaussianBlurElement.prototype.setStdDeviation = function(opt_stdDeviationX, opt_stdDeviationY){};
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEGaussianBlurElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEGaussianBlurElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEGaussianBlurElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEGaussianBlurElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEGaussianBlurElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEGaussianBlurElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFEGaussianBlurElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGAltGlyphDefElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGComponentTransferFunctionElement(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGComponentTransferFunctionElement.SVG_FECOMPONENTTRANSFER_TYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGComponentTransferFunctionElement.prototype.SVG_FECOMPONENTTRANSFER_TYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGComponentTransferFunctionElement.SVG_FECOMPONENTTRANSFER_TYPE_IDENTITY;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGComponentTransferFunctionElement.prototype.SVG_FECOMPONENTTRANSFER_TYPE_IDENTITY;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGComponentTransferFunctionElement.SVG_FECOMPONENTTRANSFER_TYPE_TABLE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGComponentTransferFunctionElement.prototype.SVG_FECOMPONENTTRANSFER_TYPE_TABLE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGComponentTransferFunctionElement.SVG_FECOMPONENTTRANSFER_TYPE_DISCRETE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGComponentTransferFunctionElement.prototype.SVG_FECOMPONENTTRANSFER_TYPE_DISCRETE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGComponentTransferFunctionElement.SVG_FECOMPONENTTRANSFER_TYPE_LINEAR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGComponentTransferFunctionElement.prototype.SVG_FECOMPONENTTRANSFER_TYPE_LINEAR;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGComponentTransferFunctionElement.SVG_FECOMPONENTTRANSFER_TYPE_GAMMA;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGComponentTransferFunctionElement.prototype.SVG_FECOMPONENTTRANSFER_TYPE_GAMMA;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGComponentTransferFunctionElement.prototype.type;
-
-
-/**
- * @type {!SVGAnimatedNumberList}
- */
-SVGComponentTransferFunctionElement.prototype.tableValues;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGComponentTransferFunctionElement.prototype.slope;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGComponentTransferFunctionElement.prototype.intercept;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGComponentTransferFunctionElement.prototype.amplitude;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGComponentTransferFunctionElement.prototype.exponent;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGComponentTransferFunctionElement.prototype.offset;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGMetadataElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGLangSpace}
- * @implements {SVGStylable}
- */
-function SVGTitleElement(){}
-
-
-/**
- * @type {string}
- */
-SVGTitleElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGTitleElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGTitleElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGTitleElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGURIReference}
- * @implements {SVGTests}
- * @implements {SVGExternalResourcesRequired}
- */
-function SVGCursorElement(){}
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGCursorElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGCursorElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGCursorElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGCursorElement.prototype.href;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGCursorElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGCursorElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGCursorElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGCursorElement.prototype.hasExtension = function(opt_extension){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGURIReference}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- */
-function SVGGradientElement(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGGradientElement.SVG_SPREADMETHOD_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGGradientElement.prototype.SVG_SPREADMETHOD_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGGradientElement.SVG_SPREADMETHOD_PAD;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGGradientElement.prototype.SVG_SPREADMETHOD_PAD;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGGradientElement.SVG_SPREADMETHOD_REFLECT;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGGradientElement.prototype.SVG_SPREADMETHOD_REFLECT;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGGradientElement.SVG_SPREADMETHOD_REPEAT;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGGradientElement.prototype.SVG_SPREADMETHOD_REPEAT;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGGradientElement.prototype.gradientUnits;
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGGradientElement.prototype.gradientTransform;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGGradientElement.prototype.spreadMethod;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGGradientElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGGradientElement.prototype.href;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGGradientElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGGradientElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGFitToViewBox}
- */
-function SVGMarkerElement(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGMarkerElement.SVG_MARKERUNITS_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGMarkerElement.prototype.SVG_MARKERUNITS_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGMarkerElement.SVG_MARKERUNITS_USERSPACEONUSE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGMarkerElement.prototype.SVG_MARKERUNITS_USERSPACEONUSE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGMarkerElement.SVG_MARKERUNITS_STROKEWIDTH;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGMarkerElement.prototype.SVG_MARKERUNITS_STROKEWIDTH;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGMarkerElement.SVG_MARKER_ORIENT_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGMarkerElement.prototype.SVG_MARKER_ORIENT_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGMarkerElement.SVG_MARKER_ORIENT_AUTO;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGMarkerElement.prototype.SVG_MARKER_ORIENT_AUTO;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGMarkerElement.SVG_MARKER_ORIENT_ANGLE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGMarkerElement.prototype.SVG_MARKER_ORIENT_ANGLE;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGMarkerElement.prototype.refX;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGMarkerElement.prototype.refY;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGMarkerElement.prototype.markerUnits;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGMarkerElement.prototype.markerWidth;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGMarkerElement.prototype.markerHeight;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGMarkerElement.prototype.orientType;
-
-
-/**
- * @type {!SVGAnimatedAngle}
- */
-SVGMarkerElement.prototype.orientAngle;
-
-
-/** */
-SVGMarkerElement.prototype.setOrientToAuto = function(){};
-
-
-/**
- * @param {!SVGAngle=} opt_angle
- * @return {undefined}
- */
-SVGMarkerElement.prototype.setOrientToAngle = function(opt_angle){};
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGMarkerElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedRect}
- */
-SVGMarkerElement.prototype.viewBox;
-
-
-/**
- * @type {!SVGAnimatedPreserveAspectRatio}
- */
-SVGMarkerElement.prototype.preserveAspectRatio;
-
-
-/**
- * @type {string}
- */
-SVGMarkerElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGMarkerElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGMarkerElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGMarkerElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- */
-function SVGMaskElement(){}
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGMaskElement.prototype.maskUnits;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGMaskElement.prototype.maskContentUnits;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGMaskElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGMaskElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGMaskElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGMaskElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGMaskElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGMaskElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGMaskElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGMaskElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGMaskElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGMaskElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGMaskElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-/**
- * @type {string}
- */
-SVGMaskElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGMaskElement.prototype.xmlspace;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGFitToViewBox}
- * @implements {SVGZoomAndPan}
- */
-function SVGViewElement(){}
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGViewElement.prototype.viewTarget;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGViewElement.prototype.externalResourcesRequired;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGViewElement.SVG_ZOOMANDPAN_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGViewElement.prototype.SVG_ZOOMANDPAN_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGViewElement.SVG_ZOOMANDPAN_DISABLE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGViewElement.prototype.SVG_ZOOMANDPAN_DISABLE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGViewElement.SVG_ZOOMANDPAN_MAGNIFY;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGViewElement.prototype.SVG_ZOOMANDPAN_MAGNIFY;
-
-
-/**
- * @type {number}
- */
-SVGViewElement.prototype.zoomAndPan;
-
-
-/**
- * @type {!SVGAnimatedRect}
- */
-SVGViewElement.prototype.viewBox;
-
-
-/**
- * @type {!SVGAnimatedPreserveAspectRatio}
- */
-SVGViewElement.prototype.preserveAspectRatio;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGURIReference}
- * @implements {SVGExternalResourcesRequired}
- */
-function SVGMPathElement(){}
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGMPathElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGMPathElement.prototype.href;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGFontFaceSrcElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGURIReference}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFEImageElement(){}
-
-
-/**
- * @type {!SVGAnimatedPreserveAspectRatio}
- */
-SVGFEImageElement.prototype.preserveAspectRatio;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEImageElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEImageElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEImageElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEImageElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEImageElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGFEImageElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEImageElement.prototype.href;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEImageElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFEImageElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-/**
- * @type {string}
- */
-SVGFEImageElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGFEImageElement.prototype.xmlspace;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGFEDistantLightElement(){}
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEDistantLightElement.prototype.azimuth;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEDistantLightElement.prototype.elevation;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGFontFaceUriElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFEDiffuseLightingElement(){}
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEDiffuseLightingElement.prototype.in1;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEDiffuseLightingElement.prototype.surfaceScale;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEDiffuseLightingElement.prototype.diffuseConstant;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEDiffuseLightingElement.prototype.kernelUnitLengthX;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEDiffuseLightingElement.prototype.kernelUnitLengthY;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEDiffuseLightingElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEDiffuseLightingElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEDiffuseLightingElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEDiffuseLightingElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEDiffuseLightingElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEDiffuseLightingElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFEDiffuseLightingElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFEMorphologyElement(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEMorphologyElement.SVG_MORPHOLOGY_OPERATOR_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEMorphologyElement.prototype.SVG_MORPHOLOGY_OPERATOR_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEMorphologyElement.SVG_MORPHOLOGY_OPERATOR_ERODE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEMorphologyElement.prototype.SVG_MORPHOLOGY_OPERATOR_ERODE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEMorphologyElement.SVG_MORPHOLOGY_OPERATOR_DILATE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEMorphologyElement.prototype.SVG_MORPHOLOGY_OPERATOR_DILATE;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEMorphologyElement.prototype.in1;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGFEMorphologyElement.prototype.operator;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEMorphologyElement.prototype.radiusX;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEMorphologyElement.prototype.radiusY;
-
-
-/**
- * @param {number=} opt_radiusX
- * @param {number=} opt_radiusY
- * @return {undefined}
- */
-SVGFEMorphologyElement.prototype.setRadius = function(opt_radiusX, opt_radiusY){};
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEMorphologyElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEMorphologyElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEMorphologyElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEMorphologyElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEMorphologyElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEMorphologyElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFEMorphologyElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGURIReference}
- * @implements {SVGStylable}
- */
-function SVGGlyphRefElement(){}
-
-
-/**
- * @type {string}
- */
-SVGGlyphRefElement.prototype.glyphRef;
-
-
-/**
- * @type {string}
- */
-SVGGlyphRefElement.prototype.format;
-
-
-/**
- * @type {number}
- */
-SVGGlyphRefElement.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGGlyphRefElement.prototype.y;
-
-
-/**
- * @type {number}
- */
-SVGGlyphRefElement.prototype.dx;
-
-
-/**
- * @type {number}
- */
-SVGGlyphRefElement.prototype.dy;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGGlyphRefElement.prototype.href;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGGlyphRefElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGGlyphRefElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- */
-function SVGTextContentElement(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextContentElement.LENGTHADJUST_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextContentElement.prototype.LENGTHADJUST_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextContentElement.LENGTHADJUST_SPACING;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextContentElement.prototype.LENGTHADJUST_SPACING;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextContentElement.LENGTHADJUST_SPACINGANDGLYPHS;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGTextContentElement.prototype.LENGTHADJUST_SPACINGANDGLYPHS;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGTextContentElement.prototype.textLength;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGTextContentElement.prototype.lengthAdjust;
-
-
-/**
- * @return {number}
- */
-SVGTextContentElement.prototype.getNumberOfChars = function(){};
-
-
-/**
- * @return {number}
- */
-SVGTextContentElement.prototype.getComputedTextLength = function(){};
-
-
-/**
- * @param {number=} opt_offset
- * @param {number=} opt_length
- * @return {number}
- */
-SVGTextContentElement.prototype.getSubStringLength = function(opt_offset, opt_length){};
-
-
-/**
- * @param {number=} opt_offset
- * @return {!SVGPoint}
- */
-SVGTextContentElement.prototype.getStartPositionOfChar = function(opt_offset){};
-
-
-/**
- * @param {number=} opt_offset
- * @return {!SVGPoint}
- */
-SVGTextContentElement.prototype.getEndPositionOfChar = function(opt_offset){};
-
-
-/**
- * @param {number=} opt_offset
- * @return {!SVGRect}
- */
-SVGTextContentElement.prototype.getExtentOfChar = function(opt_offset){};
-
-
-/**
- * @param {number=} opt_offset
- * @return {number}
- */
-SVGTextContentElement.prototype.getRotationOfChar = function(opt_offset){};
-
-
-/**
- * @param {!SVGPoint=} opt_point
- * @return {number}
- */
-SVGTextContentElement.prototype.getCharNumAtPosition = function(opt_point){};
-
-
-/**
- * @param {number=} opt_offset
- * @param {number=} opt_length
- * @return {undefined}
- */
-SVGTextContentElement.prototype.selectSubString = function(opt_offset, opt_length){};
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGTextContentElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGTextContentElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGTextContentElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGTextContentElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGTextContentElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGTextContentElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGTextContentElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-/**
- * @type {string}
- */
-SVGTextContentElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGTextContentElement.prototype.xmlspace;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGFESpotLightElement(){}
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFESpotLightElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFESpotLightElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFESpotLightElement.prototype.z;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFESpotLightElement.prototype.pointsAtX;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFESpotLightElement.prototype.pointsAtY;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFESpotLightElement.prototype.pointsAtZ;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFESpotLightElement.prototype.specularExponent;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFESpotLightElement.prototype.limitingConeAngle;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGFontFaceNameElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGFEPointLightElement(){}
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEPointLightElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEPointLightElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEPointLightElement.prototype.z;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFEDropShadowElement(){}
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEDropShadowElement.prototype.in1;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEDropShadowElement.prototype.dx;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEDropShadowElement.prototype.dy;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEDropShadowElement.prototype.stdDeviationX;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEDropShadowElement.prototype.stdDeviationY;
-
-
-/**
- * @param {number=} opt_stdDeviationX
- * @param {number=} opt_stdDeviationY
- * @return {undefined}
- */
-SVGFEDropShadowElement.prototype.setStdDeviation = function(opt_stdDeviationX, opt_stdDeviationY){};
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEDropShadowElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEDropShadowElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEDropShadowElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEDropShadowElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEDropShadowElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEDropShadowElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFEDropShadowElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFETileElement(){}
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFETileElement.prototype.in1;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFETileElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFETileElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFETileElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFETileElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFETileElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFETileElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFETileElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGMissingGlyphElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFEBlendElement(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEBlendElement.SVG_FEBLEND_MODE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEBlendElement.prototype.SVG_FEBLEND_MODE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEBlendElement.SVG_FEBLEND_MODE_NORMAL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEBlendElement.prototype.SVG_FEBLEND_MODE_NORMAL;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEBlendElement.SVG_FEBLEND_MODE_MULTIPLY;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEBlendElement.prototype.SVG_FEBLEND_MODE_MULTIPLY;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEBlendElement.SVG_FEBLEND_MODE_SCREEN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEBlendElement.prototype.SVG_FEBLEND_MODE_SCREEN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEBlendElement.SVG_FEBLEND_MODE_DARKEN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEBlendElement.prototype.SVG_FEBLEND_MODE_DARKEN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEBlendElement.SVG_FEBLEND_MODE_LIGHTEN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEBlendElement.prototype.SVG_FEBLEND_MODE_LIGHTEN;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEBlendElement.prototype.in1;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEBlendElement.prototype.in2;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGFEBlendElement.prototype.mode;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEBlendElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEBlendElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEBlendElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEBlendElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEBlendElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEBlendElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFEBlendElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGURIReference}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGFitToViewBox}
- */
-function SVGPatternElement(){}
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGPatternElement.prototype.patternUnits;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGPatternElement.prototype.patternContentUnits;
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGPatternElement.prototype.patternTransform;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGPatternElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGPatternElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGPatternElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGPatternElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGPatternElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedRect}
- */
-SVGPatternElement.prototype.viewBox;
-
-
-/**
- * @type {!SVGAnimatedPreserveAspectRatio}
- */
-SVGPatternElement.prototype.preserveAspectRatio;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGPatternElement.prototype.href;
-
-
-/**
- * @type {string}
- */
-SVGPatternElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGPatternElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGPatternElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGPatternElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGPatternElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGPatternElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGPatternElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGPatternElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGFEMergeNodeElement(){}
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEMergeNodeElement.prototype.in1;
-
-
-
-/**
- * @constructor
- * @extends {SVGComponentTransferFunctionElement}
- */
-function SVGFEFuncBElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegMovetoRel(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegMovetoRel.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGPathSegMovetoRel.prototype.y;
-
-
-
-/**
- * @interface
- */
-function SVGLocatable(){}
-
-
-/**
- * @type {!SVGElement}
- */
-SVGLocatable.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGLocatable.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- */
-SVGLocatable.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- */
-SVGLocatable.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- */
-SVGLocatable.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- */
-SVGLocatable.prototype.getTransformToElement = function(opt_element){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGLocatable}
- * @implements {SVGFitToViewBox}
- * @implements {SVGZoomAndPan}
- */
-function SVGSVGElement(){}
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGSVGElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGSVGElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGSVGElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGSVGElement.prototype.height;
-
-
-/**
- * @type {string}
- */
-SVGSVGElement.prototype.contentScriptType;
-
-
-/**
- * @type {string}
- */
-SVGSVGElement.prototype.contentStyleType;
-
-
-/**
- * @type {!SVGRect}
- */
-SVGSVGElement.prototype.viewport;
-
-
-/**
- * @type {number}
- */
-SVGSVGElement.prototype.pixelUnitToMillimeterX;
-
-
-/**
- * @type {number}
- */
-SVGSVGElement.prototype.pixelUnitToMillimeterY;
-
-
-/**
- * @type {number}
- */
-SVGSVGElement.prototype.screenPixelToMillimeterX;
-
-
-/**
- * @type {number}
- */
-SVGSVGElement.prototype.screenPixelToMillimeterY;
-
-
-/**
- * @type {boolean}
- */
-SVGSVGElement.prototype.useCurrentView;
-
-
-/**
- * @type {number}
- */
-SVGSVGElement.prototype.currentScale;
-
-
-/**
- * @type {!SVGPoint}
- */
-SVGSVGElement.prototype.currentTranslate;
-
-
-/**
- * @param {number=} opt_maxWaitMilliseconds
- * @return {number}
- */
-SVGSVGElement.prototype.suspendRedraw = function(opt_maxWaitMilliseconds){};
-
-
-/**
- * @param {number=} opt_suspendHandleId
- * @return {undefined}
- */
-SVGSVGElement.prototype.unsuspendRedraw = function(opt_suspendHandleId){};
-
-
-/** */
-SVGSVGElement.prototype.unsuspendRedrawAll = function(){};
-
-
-/** */
-SVGSVGElement.prototype.forceRedraw = function(){};
-
-
-/** */
-SVGSVGElement.prototype.pauseAnimations = function(){};
-
-
-/** */
-SVGSVGElement.prototype.unpauseAnimations = function(){};
-
-
-/**
- * @return {boolean}
- */
-SVGSVGElement.prototype.animationsPaused = function(){};
-
-
-/**
- * @return {number}
- */
-SVGSVGElement.prototype.getCurrentTime = function(){};
-
-
-/**
- * @param {number=} opt_seconds
- * @return {undefined}
- */
-SVGSVGElement.prototype.setCurrentTime = function(opt_seconds){};
-
-
-/**
- * @param {!SVGRect=} opt_rect
- * @param {!SVGElement=} opt_referenceElement
- * @return {!NodeList<?>}
- */
-SVGSVGElement.prototype.getIntersectionList = function(opt_rect, opt_referenceElement){};
-
-
-/**
- * @param {!SVGRect=} opt_rect
- * @param {!SVGElement=} opt_referenceElement
- * @return {!NodeList<?>}
- */
-SVGSVGElement.prototype.getEnclosureList = function(opt_rect, opt_referenceElement){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @param {!SVGRect=} opt_rect
- * @return {boolean}
- */
-SVGSVGElement.prototype.checkIntersection = function(opt_element, opt_rect){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @param {!SVGRect=} opt_rect
- * @return {boolean}
- */
-SVGSVGElement.prototype.checkEnclosure = function(opt_element, opt_rect){};
-
-
-/** */
-SVGSVGElement.prototype.deselectAll = function(){};
-
-
-/**
- * @return {!SVGNumber}
- */
-SVGSVGElement.prototype.createSVGNumber = function(){};
-
-
-/**
- * @return {!SVGLength}
- */
-SVGSVGElement.prototype.createSVGLength = function(){};
-
-
-/**
- * @return {!SVGAngle}
- */
-SVGSVGElement.prototype.createSVGAngle = function(){};
-
-
-/**
- * @return {!SVGPoint}
- */
-SVGSVGElement.prototype.createSVGPoint = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- */
-SVGSVGElement.prototype.createSVGMatrix = function(){};
-
-
-/**
- * @return {!SVGRect}
- */
-SVGSVGElement.prototype.createSVGRect = function(){};
-
-
-/**
- * @return {!SVGTransform}
- */
-SVGSVGElement.prototype.createSVGTransform = function(){};
-
-
-/**
- * @param {!SVGMatrix=} opt_matrix
- * @return {!SVGTransform}
- */
-SVGSVGElement.prototype.createSVGTransformFromMatrix = function(opt_matrix){};
-
-
-/**
- * @param {string=} opt_elementId
- * @return {Element}
- * @see https://developer.mozilla.org/en/docs/Web/API/SVGSVGElement
- */
-SVGSVGElement.prototype.getElementById = function(opt_elementId){};
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGSVGElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedRect}
- */
-SVGSVGElement.prototype.viewBox;
-
-
-/**
- * @type {!SVGAnimatedPreserveAspectRatio}
- */
-SVGSVGElement.prototype.preserveAspectRatio;
-
-
-/**
- * @type {string}
- */
-SVGSVGElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGSVGElement.prototype.xmlspace;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGSVGElement.SVG_ZOOMANDPAN_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGSVGElement.prototype.SVG_ZOOMANDPAN_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGSVGElement.SVG_ZOOMANDPAN_DISABLE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGSVGElement.prototype.SVG_ZOOMANDPAN_DISABLE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGSVGElement.SVG_ZOOMANDPAN_MAGNIFY;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGSVGElement.prototype.SVG_ZOOMANDPAN_MAGNIFY;
-
-
-/**
- * @type {number}
- */
-SVGSVGElement.prototype.zoomAndPan;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGSVGElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGSVGElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGSVGElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGSVGElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGSVGElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGSVGElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGSVGElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGSVGElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGSVGElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGSVGElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGSVGElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGSVGElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @interface
- * @extends {SVGLocatable}
- */
-function SVGTransformable(){}
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGTransformable.prototype.transform;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGTransformable}
- */
-function SVGDefsElement(){}
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGDefsElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGDefsElement.prototype.transform;
-
-
-/**
- * @type {string}
- */
-SVGDefsElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGDefsElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGDefsElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGDefsElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGDefsElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGDefsElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGDefsElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGDefsElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGDefsElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGDefsElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGDefsElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGDefsElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGDefsElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGDefsElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGTransformable}
- */
-function SVGPolygonElement(){}
-
-
-/**
- * @type {!SVGPointList}
- */
-SVGPolygonElement.prototype.points;
-
-
-/**
- * @type {!SVGPointList}
- */
-SVGPolygonElement.prototype.animatedPoints;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGPolygonElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGPolygonElement.prototype.transform;
-
-
-/**
- * @type {string}
- */
-SVGPolygonElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGPolygonElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGPolygonElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGPolygonElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGPolygonElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGPolygonElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGPolygonElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGPolygonElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGPolygonElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGPolygonElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGPolygonElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGPolygonElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGPolygonElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGPolygonElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGTransformable}
- */
-function SVGPathElement(){}
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGPathElement.prototype.pathLength;
-
-
-/**
- * @type {!SVGPathSegList}
- */
-SVGPathElement.prototype.pathSegList;
-
-
-/**
- * @type {!SVGPathSegList}
- */
-SVGPathElement.prototype.normalizedPathSegList;
-
-
-/**
- * @type {!SVGPathSegList}
- */
-SVGPathElement.prototype.animatedPathSegList;
-
-
-/**
- * @type {!SVGPathSegList}
- */
-SVGPathElement.prototype.animatedNormalizedPathSegList;
-
-
-/**
- * @return {number}
- */
-SVGPathElement.prototype.getTotalLength = function(){};
-
-
-/**
- * @param {number=} opt_distance
- * @return {!SVGPoint}
- */
-SVGPathElement.prototype.getPointAtLength = function(opt_distance){};
-
-
-/**
- * @param {number=} opt_distance
- * @return {number}
- */
-SVGPathElement.prototype.getPathSegAtLength = function(opt_distance){};
-
-
-/**
- * @return {!SVGPathSegClosePath}
- */
-SVGPathElement.prototype.createSVGPathSegClosePath = function(){};
-
-
-/**
- * @param {number=} opt_x
- * @param {number=} opt_y
- * @return {!SVGPathSegMovetoAbs}
- */
-SVGPathElement.prototype.createSVGPathSegMovetoAbs = function(opt_x, opt_y){};
-
-
-/**
- * @param {number=} opt_x
- * @param {number=} opt_y
- * @return {!SVGPathSegMovetoRel}
- */
-SVGPathElement.prototype.createSVGPathSegMovetoRel = function(opt_x, opt_y){};
-
-
-/**
- * @param {number=} opt_x
- * @param {number=} opt_y
- * @return {!SVGPathSegLinetoAbs}
- */
-SVGPathElement.prototype.createSVGPathSegLinetoAbs = function(opt_x, opt_y){};
-
-
-/**
- * @param {number=} opt_x
- * @param {number=} opt_y
- * @return {!SVGPathSegLinetoRel}
- */
-SVGPathElement.prototype.createSVGPathSegLinetoRel = function(opt_x, opt_y){};
-
-
-/**
- * @param {number=} opt_x
- * @param {number=} opt_y
- * @param {number=} opt_x1
- * @param {number=} opt_y1
- * @param {number=} opt_x2
- * @param {number=} opt_y2
- * @return {!SVGPathSegCurvetoCubicAbs}
- */
-SVGPathElement.prototype.createSVGPathSegCurvetoCubicAbs = function(opt_x, opt_y, opt_x1, opt_y1, opt_x2, opt_y2){};
-
-
-/**
- * @param {number=} opt_x
- * @param {number=} opt_y
- * @param {number=} opt_x1
- * @param {number=} opt_y1
- * @param {number=} opt_x2
- * @param {number=} opt_y2
- * @return {!SVGPathSegCurvetoCubicRel}
- */
-SVGPathElement.prototype.createSVGPathSegCurvetoCubicRel = function(opt_x, opt_y, opt_x1, opt_y1, opt_x2, opt_y2){};
-
-
-/**
- * @param {number=} opt_x
- * @param {number=} opt_y
- * @param {number=} opt_x1
- * @param {number=} opt_y1
- * @return {!SVGPathSegCurvetoQuadraticAbs}
- */
-SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticAbs = function(opt_x, opt_y, opt_x1, opt_y1){};
-
-
-/**
- * @param {number=} opt_x
- * @param {number=} opt_y
- * @param {number=} opt_x1
- * @param {number=} opt_y1
- * @return {!SVGPathSegCurvetoQuadraticRel}
- */
-SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticRel = function(opt_x, opt_y, opt_x1, opt_y1){};
-
-
-/**
- * @param {number=} opt_x
- * @param {number=} opt_y
- * @param {number=} opt_r1
- * @param {number=} opt_r2
- * @param {number=} opt_angle
- * @param {boolean=} opt_largeArcFlag
- * @param {boolean=} opt_sweepFlag
- * @return {!SVGPathSegArcAbs}
- */
-SVGPathElement.prototype.createSVGPathSegArcAbs = function(opt_x, opt_y, opt_r1, opt_r2, opt_angle, opt_largeArcFlag, opt_sweepFlag){};
-
-
-/**
- * @param {number=} opt_x
- * @param {number=} opt_y
- * @param {number=} opt_r1
- * @param {number=} opt_r2
- * @param {number=} opt_angle
- * @param {boolean=} opt_largeArcFlag
- * @param {boolean=} opt_sweepFlag
- * @return {!SVGPathSegArcRel}
- */
-SVGPathElement.prototype.createSVGPathSegArcRel = function(opt_x, opt_y, opt_r1, opt_r2, opt_angle, opt_largeArcFlag, opt_sweepFlag){};
-
-
-/**
- * @param {number=} opt_x
- * @return {!SVGPathSegLinetoHorizontalAbs}
- */
-SVGPathElement.prototype.createSVGPathSegLinetoHorizontalAbs = function(opt_x){};
-
-
-/**
- * @param {number=} opt_x
- * @return {!SVGPathSegLinetoHorizontalRel}
- */
-SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel = function(opt_x){};
-
-
-/**
- * @param {number=} opt_y
- * @return {!SVGPathSegLinetoVerticalAbs}
- */
-SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs = function(opt_y){};
-
-
-/**
- * @param {number=} opt_y
- * @return {!SVGPathSegLinetoVerticalRel}
- */
-SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel = function(opt_y){};
-
-
-/**
- * @param {number=} opt_x
- * @param {number=} opt_y
- * @param {number=} opt_x2
- * @param {number=} opt_y2
- * @return {!SVGPathSegCurvetoCubicSmoothAbs}
- */
-SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs = function(opt_x, opt_y, opt_x2, opt_y2){};
-
-
-/**
- * @param {number=} opt_x
- * @param {number=} opt_y
- * @param {number=} opt_x2
- * @param {number=} opt_y2
- * @return {!SVGPathSegCurvetoCubicSmoothRel}
- */
-SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel = function(opt_x, opt_y, opt_x2, opt_y2){};
-
-
-/**
- * @param {number=} opt_x
- * @param {number=} opt_y
- * @return {!SVGPathSegCurvetoQuadraticSmoothAbs}
- */
-SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs = function(opt_x, opt_y){};
-
-
-/**
- * @param {number=} opt_x
- * @param {number=} opt_y
- * @return {!SVGPathSegCurvetoQuadraticSmoothRel}
- */
-SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothRel = function(opt_x, opt_y){};
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGPathElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGPathElement.prototype.transform;
-
-
-/**
- * @type {string}
- */
-SVGPathElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGPathElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGPathElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGPathElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGPathElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGPathElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGPathElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGPathElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGPathElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGPathElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGPathElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGPathElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGPathElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGPathElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGTransformable}
- */
-function SVGCircleElement(){}
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGCircleElement.prototype.cx;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGCircleElement.prototype.cy;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGCircleElement.prototype.r;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGCircleElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGCircleElement.prototype.transform;
-
-
-/**
- * @type {string}
- */
-SVGCircleElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGCircleElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGCircleElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGCircleElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGCircleElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGCircleElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGCircleElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGCircleElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGCircleElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGCircleElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGCircleElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGCircleElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGCircleElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGCircleElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGURIReference}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGTransformable}
- */
-function SVGUseElement(){}
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGUseElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGUseElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGUseElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGUseElement.prototype.height;
-
-
-/**
- * @type {!SVGElementInstance}
- */
-SVGUseElement.prototype.instanceRoot;
-
-
-/**
- * @type {!SVGElementInstance}
- */
-SVGUseElement.prototype.animatedInstanceRoot;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGUseElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGUseElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGUseElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGUseElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGUseElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGUseElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGUseElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGUseElement.prototype.transform;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGUseElement.prototype.href;
-
-
-/**
- * @type {string}
- */
-SVGUseElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGUseElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGUseElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGUseElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGUseElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGUseElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGUseElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGUseElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGTransformable}
- */
-function SVGPolylineElement(){}
-
-
-/**
- * @type {!SVGPointList}
- */
-SVGPolylineElement.prototype.points;
-
-
-/**
- * @type {!SVGPointList}
- */
-SVGPolylineElement.prototype.animatedPoints;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGPolylineElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGPolylineElement.prototype.transform;
-
-
-/**
- * @type {string}
- */
-SVGPolylineElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGPolylineElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGPolylineElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGPolylineElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGPolylineElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGPolylineElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGPolylineElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGPolylineElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGPolylineElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGPolylineElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGPolylineElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGPolylineElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGPolylineElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGPolylineElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGTransformable}
- */
-function SVGGElement(){}
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGGElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGGElement.prototype.transform;
-
-
-/**
- * @type {string}
- */
-SVGGElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGGElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGGElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGGElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGGElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGGElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGGElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGGElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGGElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGGElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGGElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGGElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGGElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGGElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGTransformable}
- */
-function SVGSwitchElement(){}
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGSwitchElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGSwitchElement.prototype.transform;
-
-
-/**
- * @type {string}
- */
-SVGSwitchElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGSwitchElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGSwitchElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGSwitchElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGSwitchElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGSwitchElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGSwitchElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGSwitchElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGSwitchElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGSwitchElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGSwitchElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGSwitchElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGSwitchElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGSwitchElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGURIReference}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGTransformable}
- */
-function SVGImageElement(){}
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGImageElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGImageElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGImageElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGImageElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedPreserveAspectRatio}
- */
-SVGImageElement.prototype.preserveAspectRatio;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGImageElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGImageElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGImageElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGImageElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGImageElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGImageElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGImageElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGImageElement.prototype.transform;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGImageElement.prototype.href;
-
-
-/**
- * @type {string}
- */
-SVGImageElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGImageElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGImageElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGImageElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGImageElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGImageElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGImageElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGImageElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGTransformable}
- */
-function SVGRectElement(){}
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGRectElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGRectElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGRectElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGRectElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGRectElement.prototype.rx;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGRectElement.prototype.ry;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGRectElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGRectElement.prototype.transform;
-
-
-/**
- * @type {string}
- */
-SVGRectElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGRectElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGRectElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGRectElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGRectElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGRectElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGRectElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGRectElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGRectElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGRectElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGRectElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGRectElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGRectElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGRectElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGURIReference}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGTransformable}
- */
-function SVGAElement(){}
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGAElement.prototype.target;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGAElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGAElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGAElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGAElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGAElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGAElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGAElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGAElement.prototype.transform;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGAElement.prototype.href;
-
-
-/**
- * @type {string}
- */
-SVGAElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGAElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGAElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGAElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGAElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGAElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGAElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGAElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- */
-function SVGAnimatedPreserveAspectRatio(){}
-
-
-/**
- * @type {!SVGPreserveAspectRatio}
- */
-SVGAnimatedPreserveAspectRatio.prototype.baseVal;
-
-
-/**
- * @type {!SVGPreserveAspectRatio}
- */
-SVGAnimatedPreserveAspectRatio.prototype.animVal;
-
-
-
-/**
- * @constructor
- */
-function SVGElementInstanceList(){}
-
-
-/**
- * @type {number}
- */
-SVGElementInstanceList.prototype.length;
-
-
-/**
- * @param {number=} opt_index
- * @return {!SVGElementInstance}
- */
-SVGElementInstanceList.prototype.item = function(opt_index){};
-
-
-
-/**
- * @constructor
- * @extends {Element}
- */
-function SVGElement(){}
-
-
-/**
- * @type {string}
- */
-SVGElement.prototype.id;
-
-
-/**
- * @type {string}
- */
-SVGElement.prototype.xmlbase;
-
-
-/**
- * @type {!SVGSVGElement}
- */
-SVGElement.prototype.ownerSVGElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGElement.prototype.viewportElement;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFETurbulenceElement(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFETurbulenceElement.SVG_TURBULENCE_TYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFETurbulenceElement.prototype.SVG_TURBULENCE_TYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFETurbulenceElement.SVG_TURBULENCE_TYPE_FRACTALNOISE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFETurbulenceElement.prototype.SVG_TURBULENCE_TYPE_FRACTALNOISE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFETurbulenceElement.SVG_TURBULENCE_TYPE_TURBULENCE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFETurbulenceElement.prototype.SVG_TURBULENCE_TYPE_TURBULENCE;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFETurbulenceElement.SVG_STITCHTYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFETurbulenceElement.prototype.SVG_STITCHTYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFETurbulenceElement.SVG_STITCHTYPE_STITCH;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFETurbulenceElement.prototype.SVG_STITCHTYPE_STITCH;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFETurbulenceElement.SVG_STITCHTYPE_NOSTITCH;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFETurbulenceElement.prototype.SVG_STITCHTYPE_NOSTITCH;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFETurbulenceElement.prototype.baseFrequencyX;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFETurbulenceElement.prototype.baseFrequencyY;
-
-
-/**
- * @type {!SVGAnimatedInteger}
- */
-SVGFETurbulenceElement.prototype.numOctaves;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFETurbulenceElement.prototype.seed;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGFETurbulenceElement.prototype.stitchTiles;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGFETurbulenceElement.prototype.type;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFETurbulenceElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFETurbulenceElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFETurbulenceElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFETurbulenceElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFETurbulenceElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFETurbulenceElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFETurbulenceElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGPathSeg}
- */
-function SVGPathSegArcAbs(){}
-
-
-/**
- * @type {number}
- */
-SVGPathSegArcAbs.prototype.x;
-
-
-/**
- * @type {number}
- */
-SVGPathSegArcAbs.prototype.y;
-
-
-/**
- * @type {number}
- */
-SVGPathSegArcAbs.prototype.r1;
-
-
-/**
- * @type {number}
- */
-SVGPathSegArcAbs.prototype.r2;
-
-
-/**
- * @type {number}
- */
-SVGPathSegArcAbs.prototype.angle;
-
-
-/**
- * @type {boolean}
- */
-SVGPathSegArcAbs.prototype.largeArcFlag;
-
-
-/**
- * @type {boolean}
- */
-SVGPathSegArcAbs.prototype.sweepFlag;
-
-
-
-/**
- * @constructor
- */
-function SVGAnimatedBoolean(){}
-
-
-/**
- * @type {boolean}
- */
-SVGAnimatedBoolean.prototype.baseVal;
-
-
-/**
- * @type {boolean}
- */
-SVGAnimatedBoolean.prototype.animVal;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGLangSpace}
- */
-function SVGStyleElement(){}
-
-
-/**
- * @type {boolean}
- */
-SVGStyleElement.prototype.disabled;
-
-
-/**
- * @type {string}
- */
-SVGStyleElement.prototype.type;
-
-
-/**
- * @type {string}
- */
-SVGStyleElement.prototype.media;
-
-
-/**
- * @type {string}
- */
-SVGStyleElement.prototype.title;
-
-
-/**
- * @type {string}
- */
-SVGStyleElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGStyleElement.prototype.xmlspace;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGTransformable}
- */
-function SVGClipPathElement(){}
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGClipPathElement.prototype.clipPathUnits;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGClipPathElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGClipPathElement.prototype.transform;
-
-
-/**
- * @type {string}
- */
-SVGClipPathElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGClipPathElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGClipPathElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGClipPathElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGClipPathElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGClipPathElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGClipPathElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGClipPathElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGClipPathElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGClipPathElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGClipPathElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGClipPathElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGClipPathElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGClipPathElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @interface
- */
-function ElementTimeControl(){}
-
-
-/**
- * @return {undefined}
- */
-ElementTimeControl.prototype.beginElement = function(){};
-
-
-/**
- * @param {number=} opt_offset
- * @return {undefined}
- */
-ElementTimeControl.prototype.beginElementAt = function(opt_offset){};
-
-
-/**
- * @return {undefined}
- */
-ElementTimeControl.prototype.endElement = function(){};
-
-
-/**
- * @param {number=} opt_offset
- * @return {undefined}
- */
-ElementTimeControl.prototype.endElementAt = function(opt_offset){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGExternalResourcesRequired}
- * @implements {ElementTimeControl}
- */
-function SVGAnimationElement(){}
-
-
-/**
- * @type {!SVGElement}
- */
-SVGAnimationElement.prototype.targetElement;
-
-
-/**
- * @return {number}
- */
-SVGAnimationElement.prototype.getStartTime = function(){};
-
-
-/**
- * @return {number}
- */
-SVGAnimationElement.prototype.getCurrentTime = function(){};
-
-
-/**
- * @return {number}
- */
-SVGAnimationElement.prototype.getSimpleDuration = function(){};
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGAnimationElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGAnimationElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGAnimationElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGAnimationElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGAnimationElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @override
- * @return {undefined}
- */
-SVGAnimationElement.prototype.beginElement = function(){};
-
-
-/**
- * @param {number=} opt_offset
- * @override
- * @return {undefined}
- */
-SVGAnimationElement.prototype.beginElementAt = function(opt_offset){};
-
-
-/**
- * @override
- * @return {undefined}
- */
-SVGAnimationElement.prototype.endElement = function(){};
-
-
-/**
- * @param {number=} opt_offset
- * @override
- * @return {undefined}
- */
-SVGAnimationElement.prototype.endElementAt = function(opt_offset){};
-
-
-
-/**
- * @constructor
- * @extends {SVGAnimationElement}
- */
-function SVGAnimateMotionElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGAnimationElement}
- */
-function SVGAnimateElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGAnimationElement}
- */
-function SVGAnimateColorElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGAnimationElement}
- */
-function SVGAnimateTransformElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGAnimationElement}
- */
-function SVGSetElement(){}
-
-
-
-/**
- * @constructor
- */
-function SVGAngle(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGAngle.SVG_ANGLETYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGAngle.prototype.SVG_ANGLETYPE_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGAngle.SVG_ANGLETYPE_UNSPECIFIED;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGAngle.prototype.SVG_ANGLETYPE_UNSPECIFIED;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGAngle.SVG_ANGLETYPE_DEG;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGAngle.prototype.SVG_ANGLETYPE_DEG;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGAngle.SVG_ANGLETYPE_RAD;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGAngle.prototype.SVG_ANGLETYPE_RAD;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGAngle.SVG_ANGLETYPE_GRAD;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGAngle.prototype.SVG_ANGLETYPE_GRAD;
-
-
-/**
- * @type {number}
- */
-SVGAngle.prototype.unitType;
-
-
-/**
- * @type {number}
- */
-SVGAngle.prototype.value;
-
-
-/**
- * @type {number}
- */
-SVGAngle.prototype.valueInSpecifiedUnits;
-
-
-/**
- * @type {string}
- */
-SVGAngle.prototype.valueAsString;
-
-
-/**
- * @param {number} unitType
- * @param {number} valueInSpecifiedUnits
- * @return {undefined}
- */
-SVGAngle.prototype.newValueSpecifiedUnits = function(unitType, valueInSpecifiedUnits){};
-
-
-/**
- * @param {number} unitType
- * @return {undefined}
- */
-SVGAngle.prototype.convertToSpecifiedUnits = function(unitType){};
-
-
-
-/**
- * @constructor
- * @extends {SVGTextPositioningElement}
- * @implements {SVGTransformable}
- */
-function SVGTextElement(){}
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGTextElement.prototype.transform;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGTextElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGTextElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGTextElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGTextElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGTextElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGTextElement.prototype.getTransformToElement = function(opt_element){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- */
-function SVGFontFaceElement(){}
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGTransformable}
- */
-function SVGLineElement(){}
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGLineElement.prototype.x1;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGLineElement.prototype.y1;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGLineElement.prototype.x2;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGLineElement.prototype.y2;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGLineElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGLineElement.prototype.transform;
-
-
-/**
- * @type {string}
- */
-SVGLineElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGLineElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGLineElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGLineElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGLineElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGLineElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGLineElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGLineElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGLineElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGLineElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGLineElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGLineElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGLineElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGLineElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFEComponentTransferElement(){}
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEComponentTransferElement.prototype.in1;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEComponentTransferElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEComponentTransferElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEComponentTransferElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEComponentTransferElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEComponentTransferElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEComponentTransferElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFEComponentTransferElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFEDisplacementMapElement(){}
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEDisplacementMapElement.SVG_CHANNEL_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEDisplacementMapElement.prototype.SVG_CHANNEL_UNKNOWN;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEDisplacementMapElement.SVG_CHANNEL_R;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEDisplacementMapElement.prototype.SVG_CHANNEL_R;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEDisplacementMapElement.SVG_CHANNEL_G;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEDisplacementMapElement.prototype.SVG_CHANNEL_G;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEDisplacementMapElement.SVG_CHANNEL_B;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEDisplacementMapElement.prototype.SVG_CHANNEL_B;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEDisplacementMapElement.SVG_CHANNEL_A;
-
-
-/**
- * @const
- * @type {number}
- */
-SVGFEDisplacementMapElement.prototype.SVG_CHANNEL_A;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEDisplacementMapElement.prototype.in1;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEDisplacementMapElement.prototype.in2;
-
-
-/**
- * @type {!SVGAnimatedNumber}
- */
-SVGFEDisplacementMapElement.prototype.scale;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGFEDisplacementMapElement.prototype.xChannelSelector;
-
-
-/**
- * @type {!SVGAnimatedEnumeration}
- */
-SVGFEDisplacementMapElement.prototype.yChannelSelector;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEDisplacementMapElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEDisplacementMapElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEDisplacementMapElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEDisplacementMapElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEDisplacementMapElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEDisplacementMapElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFEDisplacementMapElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- */
-function SVGAnimatedEnumeration(){}
-
-
-/**
- * @type {number}
- */
-SVGAnimatedEnumeration.prototype.baseVal;
-
-
-/**
- * @type {number}
- */
-SVGAnimatedEnumeration.prototype.animVal;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGFilterPrimitiveStandardAttributes}
- */
-function SVGFEMergeElement(){}
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEMergeElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEMergeElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEMergeElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGFEMergeElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEMergeElement.prototype.result;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGFEMergeElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGFEMergeElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGTests}
- * @implements {SVGLangSpace}
- * @implements {SVGExternalResourcesRequired}
- * @implements {SVGStylable}
- * @implements {SVGTransformable}
- */
-function SVGForeignObjectElement(){}
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGForeignObjectElement.prototype.x;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGForeignObjectElement.prototype.y;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGForeignObjectElement.prototype.width;
-
-
-/**
- * @type {!SVGAnimatedLength}
- */
-SVGForeignObjectElement.prototype.height;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGForeignObjectElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedTransformList}
- */
-SVGForeignObjectElement.prototype.transform;
-
-
-/**
- * @type {string}
- */
-SVGForeignObjectElement.prototype.xmllang;
-
-
-/**
- * @type {string}
- */
-SVGForeignObjectElement.prototype.xmlspace;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGForeignObjectElement.prototype.nearestViewportElement;
-
-
-/**
- * @type {!SVGElement}
- */
-SVGForeignObjectElement.prototype.farthestViewportElement;
-
-
-/**
- * @return {!SVGRect}
- * @override
- */
-SVGForeignObjectElement.prototype.getBBox = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGForeignObjectElement.prototype.getCTM = function(){};
-
-
-/**
- * @return {!SVGMatrix}
- * @override
- */
-SVGForeignObjectElement.prototype.getScreenCTM = function(){};
-
-
-/**
- * @param {!SVGElement=} opt_element
- * @return {!SVGMatrix}
- * @override
- */
-SVGForeignObjectElement.prototype.getTransformToElement = function(opt_element){};
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGForeignObjectElement.prototype.requiredFeatures;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGForeignObjectElement.prototype.requiredExtensions;
-
-
-/**
- * @type {!SVGStringList}
- */
-SVGForeignObjectElement.prototype.systemLanguage;
-
-
-/**
- * @param {string=} opt_extension
- * @return {boolean}
- * @override
- */
-SVGForeignObjectElement.prototype.hasExtension = function(opt_extension){};
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGForeignObjectElement.prototype.className;
-
-
-/**
- * @param {string=} opt_name
- * @return {!CSSValue}
- * @override
- */
-SVGForeignObjectElement.prototype.getPresentationAttribute = function(opt_name){};
-
-
-
-/**
- * @constructor
- */
-function SVGAnimatedLength(){}
-
-
-/**
- * @type {!SVGLength}
- */
-SVGAnimatedLength.prototype.baseVal;
-
-
-/**
- * @type {!SVGLength}
- */
-SVGAnimatedLength.prototype.animVal;
-
-
-
-/**
- * @constructor
- * @extends {SVGElement}
- * @implements {SVGURIReference}
- * @implements {SVGExternalResourcesRequired}
- */
-function SVGScriptElement(){}
-
-
-/**
- * @type {string}
- */
-SVGScriptElement.prototype.type;
-
-
-/**
- * @type {!SVGAnimatedBoolean}
- */
-SVGScriptElement.prototype.externalResourcesRequired;
-
-
-/**
- * @type {!SVGAnimatedString}
- */
-SVGScriptElement.prototype.href;
-
-
-
-/**
- * @constructor
- */
-function SVGAnimatedInteger(){}
-
-
-/**
- * @type {number}
- */
-SVGAnimatedInteger.prototype.baseVal;
-
-
-/**
- * @type {number}
- */
-SVGAnimatedInteger.prototype.animVal;
diff --git a/generators/dart.js b/generators/dart.js
deleted file mode 100644
index 5e531016bf5..00000000000
--- a/generators/dart.js
+++ /dev/null
@@ -1,290 +0,0 @@
-/**
- * @license
- * Copyright 2014 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Helper functions for generating Dart for blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Dart');
-
-goog.require('Blockly.Generator');
-goog.require('Blockly.utils.string');
-
-
-/**
- * Dart code generator.
- * @type {!Blockly.Generator}
- */
-Blockly.Dart = new Blockly.Generator('Dart');
-
-/**
- * List of illegal variable names.
- * This is not intended to be a security feature.  Blockly is 100% client-side,
- * so bypassing this list is trivial.  This is intended to prevent users from
- * accidentally clobbering a built-in object or function.
- * @private
- */
-Blockly.Dart.addReservedWords(
-    // https://www.dartlang.org/docs/spec/latest/dart-language-specification.pdf
-    // Section 16.1.1
-    'assert,break,case,catch,class,const,continue,default,do,else,enum,' +
-    'extends,false,final,finally,for,if,in,is,new,null,rethrow,return,super,' +
-    'switch,this,throw,true,try,var,void,while,with,' +
-    // https://api.dartlang.org/dart_core.html
-    'print,identityHashCode,identical,BidirectionalIterator,Comparable,' +
-    'double,Function,int,Invocation,Iterable,Iterator,List,Map,Match,num,' +
-    'Pattern,RegExp,Set,StackTrace,String,StringSink,Type,bool,DateTime,' +
-    'Deprecated,Duration,Expando,Null,Object,RuneIterator,Runes,Stopwatch,' +
-    'StringBuffer,Symbol,Uri,Comparator,AbstractClassInstantiationError,' +
-    'ArgumentError,AssertionError,CastError,ConcurrentModificationError,' +
-    'CyclicInitializationError,Error,Exception,FallThroughError,' +
-    'FormatException,IntegerDivisionByZeroException,NoSuchMethodError,' +
-    'NullThrownError,OutOfMemoryError,RangeError,StackOverflowError,' +
-    'StateError,TypeError,UnimplementedError,UnsupportedError'
-);
-
-/**
- * Order of operation ENUMs.
- * https://www.dartlang.org/docs/dart-up-and-running/ch02.html#operator_table
- */
-Blockly.Dart.ORDER_ATOMIC = 0;         // 0 "" ...
-Blockly.Dart.ORDER_UNARY_POSTFIX = 1;  // expr++ expr-- () [] . ?.
-Blockly.Dart.ORDER_UNARY_PREFIX = 2;   // -expr !expr ~expr ++expr --expr
-Blockly.Dart.ORDER_MULTIPLICATIVE = 3; // * / % ~/
-Blockly.Dart.ORDER_ADDITIVE = 4;       // + -
-Blockly.Dart.ORDER_SHIFT = 5;          // << >>
-Blockly.Dart.ORDER_BITWISE_AND = 6;    // &
-Blockly.Dart.ORDER_BITWISE_XOR = 7;    // ^
-Blockly.Dart.ORDER_BITWISE_OR = 8;     // |
-Blockly.Dart.ORDER_RELATIONAL = 9;     // >= > <= < as is is!
-Blockly.Dart.ORDER_EQUALITY = 10;      // == !=
-Blockly.Dart.ORDER_LOGICAL_AND = 11;   // &&
-Blockly.Dart.ORDER_LOGICAL_OR = 12;    // ||
-Blockly.Dart.ORDER_IF_NULL = 13;       // ??
-Blockly.Dart.ORDER_CONDITIONAL = 14;   // expr ? expr : expr
-Blockly.Dart.ORDER_CASCADE = 15;       // ..
-Blockly.Dart.ORDER_ASSIGNMENT = 16;    // = *= /= ~/= %= += -= <<= >>= &= ^= |=
-Blockly.Dart.ORDER_NONE = 99;          // (...)
-
-/**
- * Initialise the database of variable names.
- * @param {!Blockly.Workspace} workspace Workspace to generate code from.
- */
-Blockly.Dart.init = function(workspace) {
-  // Create a dictionary of definitions to be printed before the code.
-  Blockly.Dart.definitions_ = Object.create(null);
-  // Create a dictionary mapping desired function names in definitions_
-  // to actual function names (to avoid collisions with user functions).
-  Blockly.Dart.functionNames_ = Object.create(null);
-
-  if (!Blockly.Dart.variableDB_) {
-    Blockly.Dart.variableDB_ =
-        new Blockly.Names(Blockly.Dart.RESERVED_WORDS_);
-  } else {
-    Blockly.Dart.variableDB_.reset();
-  }
-
-  Blockly.Dart.variableDB_.setVariableMap(workspace.getVariableMap());
-
-  var defvars = [];
-  // Add developer variables (not created or named by the user).
-  var devVarList = Blockly.Variables.allDeveloperVariables(workspace);
-  for (var i = 0; i < devVarList.length; i++) {
-    defvars.push(Blockly.Dart.variableDB_.getName(devVarList[i],
-        Blockly.Names.DEVELOPER_VARIABLE_TYPE));
-  }
-
-  // Add user variables, but only ones that are being used.
-  var variables = Blockly.Variables.allUsedVarModels(workspace);
-  for (var i = 0; i < variables.length; i++) {
-    defvars.push(Blockly.Dart.variableDB_.getName(variables[i].getId(),
-        Blockly.VARIABLE_CATEGORY_NAME));
-  }
-
-  // Declare all of the variables.
-  if (defvars.length) {
-    Blockly.Dart.definitions_['variables'] =
-        'var ' + defvars.join(', ') + ';';
-  }
-};
-
-/**
- * Prepend the generated code with the variable definitions.
- * @param {string} code Generated code.
- * @return {string} Completed code.
- */
-Blockly.Dart.finish = function(code) {
-  // Indent every line.
-  if (code) {
-    code = Blockly.Dart.prefixLines(code, Blockly.Dart.INDENT);
-  }
-  code = 'main() {\n' + code + '}';
-
-  // Convert the definitions dictionary into a list.
-  var imports = [];
-  var definitions = [];
-  for (var name in Blockly.Dart.definitions_) {
-    var def = Blockly.Dart.definitions_[name];
-    if (def.match(/^import\s/)) {
-      imports.push(def);
-    } else {
-      definitions.push(def);
-    }
-  }
-  // Clean up temporary data.
-  delete Blockly.Dart.definitions_;
-  delete Blockly.Dart.functionNames_;
-  Blockly.Dart.variableDB_.reset();
-  var allDefs = imports.join('\n') + '\n\n' + definitions.join('\n\n');
-  return allDefs.replace(/\n\n+/g, '\n\n').replace(/\n*$/, '\n\n\n') + code;
-};
-
-/**
- * Naked values are top-level blocks with outputs that aren't plugged into
- * anything.  A trailing semicolon is needed to make this legal.
- * @param {string} line Line of generated code.
- * @return {string} Legal line of code.
- */
-Blockly.Dart.scrubNakedValue = function(line) {
-  return line + ';\n';
-};
-
-/**
- * Encode a string as a properly escaped Dart string, complete with quotes.
- * @param {string} string Text to encode.
- * @return {string} Dart string.
- * @private
- */
-Blockly.Dart.quote_ = function(string) {
-  // Can't use goog.string.quote since $ must also be escaped.
-  string = string.replace(/\\/g, '\\\\')
-                 .replace(/\n/g, '\\\n')
-                 .replace(/\$/g, '\\$')
-                 .replace(/'/g, '\\\'');
-  return '\'' + string + '\'';
-};
-
-/**
- * Encode a string as a properly escaped multiline Dart string, complete with
- * quotes.
- * @param {string} string Text to encode.
- * @return {string} Dart string.
- * @private
- */
-Blockly.Dart.multiline_quote_ = function (string) {
-  var lines = string.split(/\n/g).map(Blockly.Dart.quote_);
-  // Join with the following, plus a newline:
-  // + '\n' +
-  return lines.join(' + \'\\n\' + \n');
-};
-
-
-/**
- * Common tasks for generating Dart from blocks.
- * Handles comments for the specified block and any connected value blocks.
- * Calls any statements following this block.
- * @param {!Blockly.Block} block The current block.
- * @param {string} code The Dart code created for this block.
- * @param {boolean=} opt_thisOnly True to generate code for only this statement.
- * @return {string} Dart code with comments and subsequent blocks added.
- * @private
- */
-Blockly.Dart.scrub_ = function(block, code, opt_thisOnly) {
-  var commentCode = '';
-  // Only collect comments for blocks that aren't inline.
-  if (!block.outputConnection || !block.outputConnection.targetConnection) {
-    // Collect comment for this block.
-    var comment = block.getCommentText();
-    if (comment) {
-      comment = Blockly.utils.string.wrap(comment,
-          Blockly.Dart.COMMENT_WRAP - 3);
-      if (block.getProcedureDef) {
-        // Use documentation comment for function comments.
-        commentCode += Blockly.Dart.prefixLines(comment + '\n', '/// ');
-      } else {
-        commentCode += Blockly.Dart.prefixLines(comment + '\n', '// ');
-      }
-    }
-    // Collect comments for all value arguments.
-    // Don't collect comments for nested statements.
-    for (var i = 0; i < block.inputList.length; i++) {
-      if (block.inputList[i].type == Blockly.INPUT_VALUE) {
-        var childBlock = block.inputList[i].connection.targetBlock();
-        if (childBlock) {
-          comment = Blockly.Dart.allNestedComments(childBlock);
-          if (comment) {
-            commentCode += Blockly.Dart.prefixLines(comment, '// ');
-          }
-        }
-      }
-    }
-  }
-  var nextBlock = block.nextConnection && block.nextConnection.targetBlock();
-  var nextCode = opt_thisOnly ? '' : Blockly.Dart.blockToCode(nextBlock);
-  return commentCode + code + nextCode;
-};
-
-/**
- * Gets a property and adjusts the value while taking into account indexing.
- * @param {!Blockly.Block} block The block.
- * @param {string} atId The property ID of the element to get.
- * @param {number=} opt_delta Value to add.
- * @param {boolean=} opt_negate Whether to negate the value.
- * @param {number=} opt_order The highest order acting on this value.
- * @return {string|number}
- */
-Blockly.Dart.getAdjusted = function(block, atId, opt_delta, opt_negate,
-    opt_order) {
-  var delta = opt_delta || 0;
-  var order = opt_order || Blockly.Dart.ORDER_NONE;
-  if (block.workspace.options.oneBasedIndex) {
-    delta--;
-  }
-  var defaultAtIndex = block.workspace.options.oneBasedIndex ? '1' : '0';
-  if (delta) {
-    var at = Blockly.Dart.valueToCode(block, atId,
-        Blockly.Dart.ORDER_ADDITIVE) || defaultAtIndex;
-  } else if (opt_negate) {
-    var at = Blockly.Dart.valueToCode(block, atId,
-        Blockly.Dart.ORDER_UNARY_PREFIX) || defaultAtIndex;
-  } else {
-    var at = Blockly.Dart.valueToCode(block, atId, order) ||
-        defaultAtIndex;
-  }
-
-  if (Blockly.isNumber(at)) {
-    // If the index is a naked number, adjust it right now.
-    at = parseInt(at, 10) + delta;
-    if (opt_negate) {
-      at = -at;
-    }
-  } else {
-    // If the index is dynamic, adjust it in code.
-    if (delta > 0) {
-      at = at + ' + ' + delta;
-      var innerOrder = Blockly.Dart.ORDER_ADDITIVE;
-    } else if (delta < 0) {
-      at = at + ' - ' + -delta;
-      var innerOrder = Blockly.Dart.ORDER_ADDITIVE;
-    }
-    if (opt_negate) {
-      if (delta) {
-        at = '-(' + at + ')';
-      } else {
-        at = '-' + at;
-      }
-      var innerOrder = Blockly.Dart.ORDER_UNARY_PREFIX;
-    }
-    innerOrder = Math.floor(innerOrder);
-    order = Math.floor(order);
-    if (innerOrder && order >= innerOrder) {
-      at = '(' + at + ')';
-    }
-  }
-  return at;
-};
diff --git a/generators/dart.ts b/generators/dart.ts
new file mode 100644
index 00000000000..5587e94f162
--- /dev/null
+++ b/generators/dart.ts
@@ -0,0 +1,50 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Instantiate a DartGenerator and populate it with the complete
+ * set of block generator functions for Dart.  This is the entrypoint
+ * for dart_compressed.js.
+ */
+
+// Former goog.module ID: Blockly.Dart.all
+
+import {DartGenerator} from './dart/dart_generator.js';
+import * as lists from './dart/lists.js';
+import * as logic from './dart/logic.js';
+import * as loops from './dart/loops.js';
+import * as math from './dart/math.js';
+import * as procedures from './dart/procedures.js';
+import * as text from './dart/text.js';
+import * as variables from './dart/variables.js';
+import * as variablesDynamic from './dart/variables_dynamic.js';
+
+export * from './dart/dart_generator.js';
+
+/**
+ * Dart code generator instance.
+ * @type {!DartGenerator}
+ */
+export const dartGenerator = new DartGenerator();
+
+// Add reserved words.  This list should include all words mentioned
+// in RESERVED WORDS: comments in the imports above.
+dartGenerator.addReservedWords('Html,Math');
+
+// Install per-block-type generator functions:
+const generators: typeof dartGenerator.forBlock = {
+  ...lists,
+  ...logic,
+  ...loops,
+  ...math,
+  ...procedures,
+  ...text,
+  ...variables,
+  ...variablesDynamic,
+};
+for (const name in generators) {
+  dartGenerator.forBlock[name] = generators[name];
+}
diff --git a/generators/dart/colour.js b/generators/dart/colour.js
deleted file mode 100644
index b40fac7a0bb..00000000000
--- a/generators/dart/colour.js
+++ /dev/null
@@ -1,114 +0,0 @@
-/**
- * @license
- * Copyright 2014 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Dart for colour blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Dart.colour');
-
-goog.require('Blockly.Dart');
-
-
-Blockly.Dart.addReservedWords('Math');
-
-Blockly.Dart['colour_picker'] = function(block) {
-  // Colour picker.
-  var code = Blockly.Dart.quote_(block.getFieldValue('COLOUR'));
-  return [code, Blockly.Dart.ORDER_ATOMIC];
-};
-
-Blockly.Dart['colour_random'] = function(block) {
-  // Generate a random colour.
-  Blockly.Dart.definitions_['import_dart_math'] =
-      'import \'dart:math\' as Math;';
-  var functionName = Blockly.Dart.provideFunction_(
-      'colour_random',
-      ['String ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ + '() {',
-       '  String hex = \'0123456789abcdef\';',
-       '  var rnd = new Math.Random();',
-       '  return \'#${hex[rnd.nextInt(16)]}${hex[rnd.nextInt(16)]}\'',
-       '      \'${hex[rnd.nextInt(16)]}${hex[rnd.nextInt(16)]}\'',
-       '      \'${hex[rnd.nextInt(16)]}${hex[rnd.nextInt(16)]}\';',
-       '}']);
-  var code = functionName + '()';
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['colour_rgb'] = function(block) {
-  // Compose a colour from RGB components expressed as percentages.
-  var red = Blockly.Dart.valueToCode(block, 'RED',
-      Blockly.Dart.ORDER_NONE) || 0;
-  var green = Blockly.Dart.valueToCode(block, 'GREEN',
-      Blockly.Dart.ORDER_NONE) || 0;
-  var blue = Blockly.Dart.valueToCode(block, 'BLUE',
-      Blockly.Dart.ORDER_NONE) || 0;
-
-  Blockly.Dart.definitions_['import_dart_math'] =
-      'import \'dart:math\' as Math;';
-  var functionName = Blockly.Dart.provideFunction_(
-      'colour_rgb',
-      ['String ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-          '(num r, num g, num b) {',
-       '  num rn = (Math.max(Math.min(r, 100), 0) * 2.55).round();',
-       '  String rs = rn.toInt().toRadixString(16);',
-       '  rs = \'0$rs\';',
-       '  rs = rs.substring(rs.length - 2);',
-       '  num gn = (Math.max(Math.min(g, 100), 0) * 2.55).round();',
-       '  String gs = gn.toInt().toRadixString(16);',
-       '  gs = \'0$gs\';',
-       '  gs = gs.substring(gs.length - 2);',
-       '  num bn = (Math.max(Math.min(b, 100), 0) * 2.55).round();',
-       '  String bs = bn.toInt().toRadixString(16);',
-       '  bs = \'0$bs\';',
-       '  bs = bs.substring(bs.length - 2);',
-       '  return \'#$rs$gs$bs\';',
-       '}']);
-  var code = functionName + '(' + red + ', ' + green + ', ' + blue + ')';
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['colour_blend'] = function(block) {
-  // Blend two colours together.
-  var c1 = Blockly.Dart.valueToCode(block, 'COLOUR1',
-      Blockly.Dart.ORDER_NONE) || '\'#000000\'';
-  var c2 = Blockly.Dart.valueToCode(block, 'COLOUR2',
-      Blockly.Dart.ORDER_NONE) || '\'#000000\'';
-  var ratio = Blockly.Dart.valueToCode(block, 'RATIO',
-      Blockly.Dart.ORDER_NONE) || 0.5;
-
-  Blockly.Dart.definitions_['import_dart_math'] =
-      'import \'dart:math\' as Math;';
-  var functionName = Blockly.Dart.provideFunction_(
-      'colour_blend',
-      ['String ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-          '(String c1, String c2, num ratio) {',
-       '  ratio = Math.max(Math.min(ratio, 1), 0);',
-       '  int r1 = int.parse(\'0x${c1.substring(1, 3)}\');',
-       '  int g1 = int.parse(\'0x${c1.substring(3, 5)}\');',
-       '  int b1 = int.parse(\'0x${c1.substring(5, 7)}\');',
-       '  int r2 = int.parse(\'0x${c2.substring(1, 3)}\');',
-       '  int g2 = int.parse(\'0x${c2.substring(3, 5)}\');',
-       '  int b2 = int.parse(\'0x${c2.substring(5, 7)}\');',
-       '  num rn = (r1 * (1 - ratio) + r2 * ratio).round();',
-       '  String rs = rn.toInt().toRadixString(16);',
-       '  num gn = (g1 * (1 - ratio) + g2 * ratio).round();',
-       '  String gs = gn.toInt().toRadixString(16);',
-       '  num bn = (b1 * (1 - ratio) + b2 * ratio).round();',
-       '  String bs = bn.toInt().toRadixString(16);',
-       '  rs = \'0$rs\';',
-       '  rs = rs.substring(rs.length - 2);',
-       '  gs = \'0$gs\';',
-       '  gs = gs.substring(gs.length - 2);',
-       '  bs = \'0$bs\';',
-       '  bs = bs.substring(bs.length - 2);',
-       '  return \'#$rs$gs$bs\';',
-       '}']);
-  var code = functionName + '(' + c1 + ', ' + c2 + ', ' + ratio + ')';
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
diff --git a/generators/dart/dart_generator.ts b/generators/dart/dart_generator.ts
new file mode 100644
index 00000000000..222bbd41d7c
--- /dev/null
+++ b/generators/dart/dart_generator.ts
@@ -0,0 +1,321 @@
+/**
+ * @license
+ * Copyright 2014 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Dart code generator class, including helper methods for
+ * generating Dart for blocks.
+ */
+
+// Former goog.module ID: Blockly.Dart
+
+import * as Variables from '../../core/variables.js';
+import * as stringUtils from '../../core/utils/string.js';
+import type {Block} from '../../core/block.js';
+import {CodeGenerator} from '../../core/generator.js';
+import {Names, NameType} from '../../core/names.js';
+import type {Workspace} from '../../core/workspace.js';
+import {inputTypes} from '../../core/inputs/input_types.js';
+
+/**
+ * Order of operation ENUMs.
+ * https://dart.dev/guides/language/language-tour#operators
+ */
+// prettier-ignore
+export enum Order {
+  ATOMIC = 0,         // 0 "" ...
+  UNARY_POSTFIX = 1,  // expr++ expr-- () [] . ?.
+  UNARY_PREFIX = 2,   // -expr !expr ~expr ++expr --expr
+  MULTIPLICATIVE = 3, // * / % ~/
+  ADDITIVE = 4,       // + -
+  SHIFT = 5,          // << >>
+  BITWISE_AND = 6,    // &
+  BITWISE_XOR = 7,    // ^
+  BITWISE_OR = 8,     // |
+  RELATIONAL = 9,     // >= > <= < as is is!
+  EQUALITY = 10,      // == !=
+  LOGICAL_AND = 11,   // &&
+  LOGICAL_OR = 12,    // ||
+  IF_NULL = 13,       // ??
+  CONDITIONAL = 14,   // expr ? expr: expr
+  CASCADE = 15,       // ..
+  ASSIGNMENT = 16,    // = *= /= ~/= %= += -= <<= >>= &= ^= |=
+  NONE = 99,          // (...)
+}
+
+/**
+ * Dart code generator class.
+ */
+export class DartGenerator extends CodeGenerator {
+  /** @param name Name of the language the generator is for. */
+  constructor(name = 'Dart') {
+    super(name);
+    this.isInitialized = false;
+
+    // Copy Order values onto instance for backwards compatibility
+    // while ensuring they are not part of the publically-advertised
+    // API.
+    //
+    // TODO(#7085): deprecate these in due course.  (Could initially
+    // replace data properties with get accessors that call
+    // deprecate.warn().)
+    for (const key in Order) {
+      // Must assign Order[key] to a temporary to get the type guard to work;
+      // see https://github.com/microsoft/TypeScript/issues/10530.
+      const value = Order[key];
+      // Skip reverse-lookup entries in the enum.  Due to
+      // https://github.com/microsoft/TypeScript/issues/55713 this (as
+      // of TypeScript 5.5.2) actually narrows the type of value to
+      // never - but that still allows the following assignment to
+      // succeed.
+      if (typeof value === 'string') continue;
+      (this as unknown as Record<string, Order>)['ORDER_' + key] = value;
+    }
+
+    // List of illegal variable names.  This is not intended to be a
+    // security feature.  Blockly is 100% client-side, so bypassing
+    // this list is trivial.  This is intended to prevent users from
+    // accidentally clobbering a built-in object or function.
+    this.addReservedWords(
+      // https://www.dartlang.org/docs/spec/latest/dart-language-specification.pdf
+      // Section 16.1.1
+      'assert,break,case,catch,class,const,continue,default,do,else,enum,' +
+        'extends,false,final,finally,for,if,in,is,new,null,rethrow,return,' +
+        'super,switch,this,throw,true,try,var,void,while,with,' +
+        // https://api.dartlang.org/dart_core.html
+        'print,identityHashCode,identical,BidirectionalIterator,Comparable,' +
+        'double,Function,int,Invocation,Iterable,Iterator,List,Map,Match,num,' +
+        'Pattern,RegExp,Set,StackTrace,String,StringSink,Type,bool,DateTime,' +
+        'Deprecated,Duration,Expando,Null,Object,RuneIterator,Runes,Stopwatch,' +
+        'StringBuffer,Symbol,Uri,Comparator,AbstractClassInstantiationError,' +
+        'ArgumentError,AssertionError,CastError,ConcurrentModificationError,' +
+        'CyclicInitializationError,Error,Exception,FallThroughError,' +
+        'FormatException,IntegerDivisionByZeroException,NoSuchMethodError,' +
+        'NullThrownError,OutOfMemoryError,RangeError,StackOverflowError,' +
+        'StateError,TypeError,UnimplementedError,UnsupportedError',
+    );
+  }
+
+  /**
+   * Initialise the database of variable names.
+   *
+   * @param workspace Workspace to generate code from.
+   */
+  init(workspace: Workspace) {
+    super.init(workspace);
+
+    if (!this.nameDB_) {
+      this.nameDB_ = new Names(this.RESERVED_WORDS_);
+    } else {
+      this.nameDB_.reset();
+    }
+
+    this.nameDB_.setVariableMap(workspace.getVariableMap());
+    this.nameDB_.populateVariables(workspace);
+    this.nameDB_.populateProcedures(workspace);
+
+    const defvars = [];
+    // Add developer variables (not created or named by the user).
+    const devVarList = Variables.allDeveloperVariables(workspace);
+    for (let i = 0; i < devVarList.length; i++) {
+      defvars.push(
+        this.nameDB_.getName(devVarList[i], NameType.DEVELOPER_VARIABLE),
+      );
+    }
+
+    // Add user variables, but only ones that are being used.
+    const variables = Variables.allUsedVarModels(workspace);
+    for (let i = 0; i < variables.length; i++) {
+      defvars.push(
+        this.nameDB_.getName(variables[i].getId(), NameType.VARIABLE),
+      );
+    }
+
+    // Declare all of the variables.
+    if (defvars.length) {
+      this.definitions_['variables'] = 'var ' + defvars.join(', ') + ';';
+    }
+    this.isInitialized = true;
+  }
+
+  /**
+   * Prepend the generated code with import statements and variable definitions.
+   *
+   * @param code Generated code.
+   * @returns Completed code.
+   */
+  finish(code: string): string {
+    // Indent every line.
+    if (code) {
+      code = this.prefixLines(code, this.INDENT);
+    }
+    code = 'main() {\n' + code + '}';
+
+    // Convert the definitions dictionary into a list.
+    const imports = [];
+    const definitions = [];
+    for (let name in this.definitions_) {
+      const def = this.definitions_[name];
+      if (def.match(/^import\s/)) {
+        imports.push(def);
+      } else {
+        definitions.push(def);
+      }
+    }
+    // Call Blockly.CodeGenerator's finish.
+    code = super.finish(code);
+    this.isInitialized = false;
+
+    this.nameDB_!.reset();
+    const allDefs = imports.join('\n') + '\n\n' + definitions.join('\n\n');
+    return allDefs.replace(/\n\n+/g, '\n\n').replace(/\n*$/, '\n\n\n') + code;
+  }
+
+  /**
+   * Naked values are top-level blocks with outputs that aren't plugged into
+   * anything.
+   *
+   * @param line Line of generated code.
+   * @returns Legal line of code.
+   */
+  scrubNakedValue(line: string): string {
+    return line + ';\n';
+  }
+
+  /**
+   * Encode a string as a properly escaped Dart string, complete with quotes.
+   *
+   * @param string Text to encode.
+   * @returns Dart string.
+   */
+  quote_(string: string): string {
+    // Can't use goog.string.quote since $ must also be escaped.
+    string = string
+      .replace(/\\/g, '\\\\')
+      .replace(/\n/g, '\\\n')
+      .replace(/\$/g, '\\$')
+      .replace(/'/g, "\\'");
+    return "'" + string + "'";
+  }
+
+  /**
+   * Encode a string as a properly escaped multiline Dart string, complete
+   * with quotes.
+   *
+   * @param string Text to encode.
+   * @returns Dart string.
+   */
+  multiline_quote_(string: string): string {
+    const lines = string.split(/\n/g).map(this.quote_);
+    // Join with the following, plus a newline:
+    // + '\n' +
+    return lines.join(" + '\\n' + \n");
+  }
+
+  /**
+   * Common tasks for generating Dart from blocks.
+   * Handles comments for the specified block and any connected value blocks.
+   * Calls any statements following this block.
+   *
+   * @param block The current block.
+   * @param code The Dart code created for this block.
+   * @param thisOnly True to generate code for only this statement.
+   * @returns Dart code with comments and subsequent blocks added.
+   */
+  scrub_(block: Block, code: string, thisOnly = false): string {
+    let commentCode = '';
+    // Only collect comments for blocks that aren't inline.
+    if (!block.outputConnection || !block.outputConnection.targetConnection) {
+      // Collect comment for this block.
+      let comment = block.getCommentText();
+      if (comment) {
+        comment = stringUtils.wrap(comment, this.COMMENT_WRAP - 3);
+        if ((block as AnyDuringMigration).getProcedureDef) {
+          // Use documentation comment for function comments.
+          commentCode += this.prefixLines(comment + '\n', '/// ');
+        } else {
+          commentCode += this.prefixLines(comment + '\n', '// ');
+        }
+      }
+      // Collect comments for all value arguments.
+      // Don't collect comments for nested statements.
+      for (let i = 0; i < block.inputList.length; i++) {
+        if (block.inputList[i].type === inputTypes.VALUE) {
+          const childBlock = block.inputList[i].connection!.targetBlock();
+          if (childBlock) {
+            comment = this.allNestedComments(childBlock);
+            if (comment) {
+              commentCode += this.prefixLines(comment, '// ');
+            }
+          }
+        }
+      }
+    }
+    const nextBlock =
+      block.nextConnection && block.nextConnection.targetBlock();
+    const nextCode = thisOnly ? '' : this.blockToCode(nextBlock);
+    return commentCode + code + nextCode;
+  }
+
+  /**
+   * Generate code representing the specified value input, adjusted to take into
+   * account indexing (zero- or one-based) and optionally by a specified delta
+   * and/or by negation.
+   *
+   * @param block The block.
+   * @param atId The ID of the input block to get (and adjust) the value of.
+   * @param delta Value to add.
+   * @param negate Whether to negate the value.
+   * @param order The highest order acting on this value.
+   * @returns The adjusted value or code that evaluates to it.
+   */
+  getAdjusted(
+    block: Block,
+    atId: string,
+    delta = 0,
+    negate = false,
+    order = Order.NONE,
+  ): string {
+    if (block.workspace.options.oneBasedIndex) {
+      delta--;
+    }
+    const defaultAtIndex = block.workspace.options.oneBasedIndex ? '1' : '0';
+
+    let orderForInput = order;
+    if (delta) {
+      orderForInput = Order.ADDITIVE;
+    } else if (negate) {
+      orderForInput = Order.UNARY_PREFIX;
+    }
+
+    let at = this.valueToCode(block, atId, orderForInput) || defaultAtIndex;
+
+    // Easy case: no adjustments.
+    if (delta === 0 && !negate) {
+      return at;
+    }
+    // If the index is a naked number, adjust it right now.
+    if (stringUtils.isNumber(at)) {
+      at = String(Number(at) + delta);
+      if (negate) {
+        at = String(-Number(at));
+      }
+      return at;
+    }
+    // If the index is dynamic, adjust it in code.
+    if (delta > 0) {
+      at = `${at} + ${delta}`;
+    } else if (delta < 0) {
+      at = `${at} - ${-delta}`;
+    }
+    if (negate) {
+      at = delta ? `-(${at})` : `-${at}`;
+    }
+    if (Math.floor(order) >= Math.floor(orderForInput)) {
+      at = `(${at})`;
+    }
+    return at;
+  }
+}
diff --git a/generators/dart/lists.js b/generators/dart/lists.js
deleted file mode 100644
index bfd6e9378cd..00000000000
--- a/generators/dart/lists.js
+++ /dev/null
@@ -1,447 +0,0 @@
-/**
- * @license
- * Copyright 2014 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Dart for list blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Dart.lists');
-
-goog.require('Blockly.Dart');
-
-
-Blockly.Dart.addReservedWords('Math');
-
-Blockly.Dart['lists_create_empty'] = function(block) {
-  // Create an empty list.
-  return ['[]', Blockly.Dart.ORDER_ATOMIC];
-};
-
-Blockly.Dart['lists_create_with'] = function(block) {
-  // Create a list with any number of elements of any type.
-  var elements = new Array(block.itemCount_);
-  for (var i = 0; i < block.itemCount_; i++) {
-    elements[i] = Blockly.Dart.valueToCode(block, 'ADD' + i,
-        Blockly.Dart.ORDER_NONE) || 'null';
-  }
-  var code = '[' + elements.join(', ') + ']';
-  return [code, Blockly.Dart.ORDER_ATOMIC];
-};
-
-Blockly.Dart['lists_repeat'] = function(block) {
-  // Create a list with one element repeated.
-  var element = Blockly.Dart.valueToCode(block, 'ITEM',
-      Blockly.Dart.ORDER_NONE) || 'null';
-  var repeatCount = Blockly.Dart.valueToCode(block, 'NUM',
-      Blockly.Dart.ORDER_NONE) || '0';
-  var code = 'new List.filled(' + repeatCount + ', ' + element + ')';
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['lists_length'] = function(block) {
-  // String or array length.
-  var list = Blockly.Dart.valueToCode(block, 'VALUE',
-      Blockly.Dart.ORDER_UNARY_POSTFIX) || '[]';
-  return [list + '.length', Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['lists_isEmpty'] = function(block) {
-  // Is the string null or array empty?
-  var list = Blockly.Dart.valueToCode(block, 'VALUE',
-      Blockly.Dart.ORDER_UNARY_POSTFIX) || '[]';
-  return [list + '.isEmpty', Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['lists_indexOf'] = function(block) {
-  // Find an item in the list.
-  var operator = block.getFieldValue('END') == 'FIRST' ?
-      'indexOf' : 'lastIndexOf';
-  var item = Blockly.Dart.valueToCode(block, 'FIND',
-      Blockly.Dart.ORDER_NONE) || '\'\'';
-  var list = Blockly.Dart.valueToCode(block, 'VALUE',
-      Blockly.Dart.ORDER_UNARY_POSTFIX) || '[]';
-  var code = list + '.' + operator + '(' + item + ')';
-  if (block.workspace.options.oneBasedIndex) {
-    return [code + ' + 1', Blockly.Dart.ORDER_ADDITIVE];
-  }
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['lists_getIndex'] = function(block) {
-  // Get element at index.
-  // Note: Until January 2013 this block did not have MODE or WHERE inputs.
-  var mode = block.getFieldValue('MODE') || 'GET';
-  var where = block.getFieldValue('WHERE') || 'FROM_START';
-  var listOrder = (where == 'RANDOM' || where == 'FROM_END') ?
-      Blockly.Dart.ORDER_NONE : Blockly.Dart.ORDER_UNARY_POSTFIX;
-  var list = Blockly.Dart.valueToCode(block, 'VALUE', listOrder) || '[]';
-  // Cache non-trivial values to variables to prevent repeated look-ups.
-  // Closure, which accesses and modifies 'list'.
-  function cacheList() {
-    var listVar = Blockly.Dart.variableDB_.getDistinctName(
-        'tmp_list', Blockly.VARIABLE_CATEGORY_NAME);
-    var code = 'List ' + listVar + ' = ' + list + ';\n';
-    list = listVar;
-    return code;
-  }
-  // If `list` would be evaluated more than once (which is the case for
-  // RANDOM REMOVE and FROM_END) and is non-trivial, make sure to access it
-  // only once.
-  if (((where == 'RANDOM' && mode == 'REMOVE') || where == 'FROM_END') &&
-      !list.match(/^\w+$/)) {
-    // `list` is an expression, so we may not evaluate it more than once.
-    if (where == 'RANDOM') {
-      Blockly.Dart.definitions_['import_dart_math'] =
-          'import \'dart:math\' as Math;';
-      // We can use multiple statements.
-      var code = cacheList();
-      var xVar = Blockly.Dart.variableDB_.getDistinctName(
-          'tmp_x', Blockly.VARIABLE_CATEGORY_NAME);
-      code += 'int ' + xVar + ' = new Math.Random().nextInt(' + list +
-          '.length);\n';
-      code += list + '.removeAt(' + xVar + ');\n';
-      return code;
-    } else {  // where == 'FROM_END'
-      if (mode == 'REMOVE') {
-        // We can use multiple statements.
-        var at = Blockly.Dart.getAdjusted(block, 'AT', 1, false,
-            Blockly.Dart.ORDER_ADDITIVE);
-        var code = cacheList();
-        code += list + '.removeAt(' + list + '.length' + ' - ' + at + ');\n';
-        return code;
-
-      } else if (mode == 'GET') {
-        var at = Blockly.Dart.getAdjusted(block, 'AT', 1);
-        // We need to create a procedure to avoid reevaluating values.
-        var functionName = Blockly.Dart.provideFunction_(
-            'lists_get_from_end',
-            ['dynamic ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-            '(List my_list, num x) {',
-              '  x = my_list.length - x;',
-              '  return my_list[x];',
-              '}']);
-        var code = functionName + '(' + list + ', ' + at + ')';
-        return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-      } else if (mode == 'GET_REMOVE') {
-        var at = Blockly.Dart.getAdjusted(block, 'AT', 1);
-        // We need to create a procedure to avoid reevaluating values.
-        var functionName = Blockly.Dart.provideFunction_(
-            'lists_remove_from_end',
-            ['dynamic ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-            '(List my_list, num x) {',
-              '  x = my_list.length - x;',
-              '  return my_list.removeAt(x);',
-              '}']);
-        var code = functionName + '(' + list + ', ' + at + ')';
-        return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-      }
-    }
-  } else {
-    // Either `list` is a simple variable, or we only need to refer to `list`
-    // once.
-    switch (where) {
-      case 'FIRST':
-        if (mode == 'GET') {
-          var code = list + '.first';
-          return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-        } else if (mode == 'GET_REMOVE') {
-          var code = list + '.removeAt(0)';
-          return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-        } else if (mode == 'REMOVE') {
-          return list + '.removeAt(0);\n';
-        }
-        break;
-      case 'LAST':
-        if (mode == 'GET') {
-          var code = list + '.last';
-          return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-        } else if (mode == 'GET_REMOVE') {
-          var code = list + '.removeLast()';
-          return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-        } else if (mode == 'REMOVE') {
-          return list + '.removeLast();\n';
-        }
-        break;
-      case 'FROM_START':
-        var at = Blockly.Dart.getAdjusted(block, 'AT');
-        if (mode == 'GET') {
-          var code = list + '[' + at + ']';
-          return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-        } else if (mode == 'GET_REMOVE') {
-          var code = list + '.removeAt(' + at + ')';
-          return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-        } else if (mode == 'REMOVE') {
-          return list + '.removeAt(' + at + ');\n';
-        }
-        break;
-      case 'FROM_END':
-        var at = Blockly.Dart.getAdjusted(block, 'AT', 1, false,
-            Blockly.Dart.ORDER_ADDITIVE);
-        if (mode == 'GET') {
-          var code = list + '[' + list + '.length - ' + at + ']';
-          return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-        } else if (mode == 'GET_REMOVE' || mode == 'REMOVE') {
-          var code = list + '.removeAt(' + list + '.length - ' + at + ')';
-          if (mode == 'GET_REMOVE') {
-            return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-          } else if (mode == 'REMOVE') {
-            return code + ';\n';
-          }
-        }
-        break;
-      case 'RANDOM':
-        Blockly.Dart.definitions_['import_dart_math'] =
-            'import \'dart:math\' as Math;';
-        if (mode == 'REMOVE') {
-          // We can use multiple statements.
-          var xVar = Blockly.Dart.variableDB_.getDistinctName(
-              'tmp_x', Blockly.VARIABLE_CATEGORY_NAME);
-          var code = 'int ' + xVar + ' = new Math.Random().nextInt(' + list +
-              '.length);\n';
-          code += list + '.removeAt(' + xVar + ');\n';
-          return code;
-        } else if (mode == 'GET') {
-          var functionName = Blockly.Dart.provideFunction_(
-              'lists_get_random_item',
-              ['dynamic ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-              '(List my_list) {',
-                '  int x = new Math.Random().nextInt(my_list.length);',
-                '  return my_list[x];',
-                '}']);
-          var code = functionName + '(' + list + ')';
-          return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-        } else if (mode == 'GET_REMOVE') {
-          var functionName = Blockly.Dart.provideFunction_(
-              'lists_remove_random_item',
-              ['dynamic ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-              '(List my_list) {',
-                '  int x = new Math.Random().nextInt(my_list.length);',
-                '  return my_list.removeAt(x);',
-                '}']);
-          var code = functionName + '(' + list + ')';
-          return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-        }
-        break;
-    }
-  }
-  throw Error('Unhandled combination (lists_getIndex).');
-};
-
-Blockly.Dart['lists_setIndex'] = function(block) {
-  // Set element at index.
-  // Note: Until February 2013 this block did not have MODE or WHERE inputs.
-  var mode = block.getFieldValue('MODE') || 'GET';
-  var where = block.getFieldValue('WHERE') || 'FROM_START';
-  var list = Blockly.Dart.valueToCode(block, 'LIST',
-      Blockly.Dart.ORDER_UNARY_POSTFIX) || '[]';
-  var value = Blockly.Dart.valueToCode(block, 'TO',
-      Blockly.Dart.ORDER_ASSIGNMENT) || 'null';
-  // Cache non-trivial values to variables to prevent repeated look-ups.
-  // Closure, which accesses and modifies 'list'.
-  function cacheList() {
-    if (list.match(/^\w+$/)) {
-      return '';
-    }
-    var listVar = Blockly.Dart.variableDB_.getDistinctName(
-        'tmp_list', Blockly.VARIABLE_CATEGORY_NAME);
-    var code = 'List ' + listVar + ' = ' + list + ';\n';
-    list = listVar;
-    return code;
-  }
-  switch (where) {
-    case 'FIRST':
-      if (mode == 'SET') {
-        return list + '[0] = ' + value + ';\n';
-      } else if (mode == 'INSERT') {
-        return list + '.insert(0, ' + value + ');\n';
-      }
-      break;
-    case 'LAST':
-      if (mode == 'SET') {
-        var code = cacheList();
-        code += list + '[' + list + '.length - 1] = ' + value + ';\n';
-        return code;
-      } else if (mode == 'INSERT') {
-        return list + '.add(' + value + ');\n';
-      }
-      break;
-    case 'FROM_START':
-      var at = Blockly.Dart.getAdjusted(block, 'AT');
-      if (mode == 'SET') {
-        return list + '[' + at + '] = ' + value + ';\n';
-      } else if (mode == 'INSERT') {
-        return list + '.insert(' + at + ', ' + value + ');\n';
-      }
-      break;
-    case 'FROM_END':
-      var at = Blockly.Dart.getAdjusted(block, 'AT', 1, false,
-          Blockly.Dart.ORDER_ADDITIVE);
-      var code = cacheList();
-      if (mode == 'SET') {
-        code += list + '[' + list + '.length - ' + at + '] = ' + value +
-            ';\n';
-        return code;
-      } else if (mode == 'INSERT') {
-        code += list + '.insert(' + list + '.length - ' + at + ', ' +
-            value + ');\n';
-        return code;
-      }
-      break;
-    case 'RANDOM':
-      Blockly.Dart.definitions_['import_dart_math'] =
-          'import \'dart:math\' as Math;';
-      var code = cacheList();
-      var xVar = Blockly.Dart.variableDB_.getDistinctName(
-          'tmp_x', Blockly.VARIABLE_CATEGORY_NAME);
-      code += 'int ' + xVar +
-          ' = new Math.Random().nextInt(' + list + '.length);\n';
-      if (mode == 'SET') {
-        code += list + '[' + xVar + '] = ' + value + ';\n';
-        return code;
-      } else if (mode == 'INSERT') {
-        code += list + '.insert(' + xVar + ', ' + value + ');\n';
-        return code;
-      }
-      break;
-  }
-  throw Error('Unhandled combination (lists_setIndex).');
-};
-
-Blockly.Dart['lists_getSublist'] = function(block) {
-  // Get sublist.
-  var list = Blockly.Dart.valueToCode(block, 'LIST',
-      Blockly.Dart.ORDER_UNARY_POSTFIX) || '[]';
-  var where1 = block.getFieldValue('WHERE1');
-  var where2 = block.getFieldValue('WHERE2');
-  if (list.match(/^\w+$/) || (where1 != 'FROM_END' && where2 == 'FROM_START')) {
-    // If the list is a is a variable or doesn't require a call for length,
-    // don't generate a helper function.
-    switch (where1) {
-      case 'FROM_START':
-        var at1 = Blockly.Dart.getAdjusted(block, 'AT1');
-        break;
-      case 'FROM_END':
-        var at1 = Blockly.Dart.getAdjusted(block, 'AT1', 1, false,
-            Blockly.Dart.ORDER_ADDITIVE);
-        at1 = list + '.length - ' + at1;
-        break;
-      case 'FIRST':
-        var at1 = '0';
-        break;
-      default:
-        throw Error('Unhandled option (lists_getSublist).');
-    }
-    switch (where2) {
-      case 'FROM_START':
-        var at2 = Blockly.Dart.getAdjusted(block, 'AT2', 1);
-        break;
-      case 'FROM_END':
-        var at2 = Blockly.Dart.getAdjusted(block, 'AT2', 0, false,
-            Blockly.Dart.ORDER_ADDITIVE);
-        at2 = list + '.length - ' + at2;
-        break;
-      case 'LAST':
-        // There is no second index if LAST option is chosen.
-        break;
-      default:
-        throw Error('Unhandled option (lists_getSublist).');
-    }
-    if (where2 == 'LAST') {
-      var code = list + '.sublist(' + at1 + ')';
-    } else {
-      var code = list + '.sublist(' + at1 + ', ' + at2 + ')';
-    }
-  } else {
-    var at1 = Blockly.Dart.getAdjusted(block, 'AT1');
-    var at2 = Blockly.Dart.getAdjusted(block, 'AT2');
-    var functionName = Blockly.Dart.provideFunction_(
-        'lists_get_sublist',
-        ['List ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-            '(List list, String where1, num at1, String where2, num at2) {',
-         '  int getAt(String where, num at) {',
-         '    if (where == \'FROM_END\') {',
-         '      at = list.length - 1 - at;',
-         '    } else if (where == \'FIRST\') {',
-         '      at = 0;',
-         '    } else if (where == \'LAST\') {',
-         '      at = list.length - 1;',
-         '    } else if (where != \'FROM_START\') {',
-         '      throw \'Unhandled option (lists_getSublist).\';',
-         '    }',
-         '    return at;',
-         '  }',
-         '  at1 = getAt(where1, at1);',
-         '  at2 = getAt(where2, at2) + 1;',
-         '  return list.sublist(at1, at2);',
-         '}']);
-    var code = functionName + '(' + list + ', \'' +
-        where1 + '\', ' + at1 + ', \'' + where2 + '\', ' + at2 + ')';
-  }
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['lists_sort'] = function(block) {
-  // Block for sorting a list.
-  var list = Blockly.Dart.valueToCode(block, 'LIST',
-      Blockly.Dart.ORDER_NONE) || '[]';
-  var direction = block.getFieldValue('DIRECTION') === '1' ? 1 : -1;
-  var type = block.getFieldValue('TYPE');
-  var sortFunctionName = Blockly.Dart.provideFunction_(
-      'lists_sort',
-      ['List ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-          '(List list, String type, int direction) {',
-       '  var compareFuncs = {',
-       '    "NUMERIC": (a, b) => (direction * a.compareTo(b)).toInt(),',
-       '    "TEXT": (a, b) => direction * ' +
-          'a.toString().compareTo(b.toString()),',
-       '    "IGNORE_CASE": ',
-       '       (a, b) => direction * ',
-       '      a.toString().toLowerCase().compareTo(b.toString().toLowerCase())',
-       '  };',
-       '  list = new List.from(list);', // Clone the list.
-       '  var compare = compareFuncs[type];',
-       '  list.sort(compare);',
-       '  return list;',
-       '}']);
-  return [sortFunctionName + '(' + list + ', ' +
-      '"' + type + '", ' + direction + ')',
-      Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['lists_split'] = function(block) {
-  // Block for splitting text into a list, or joining a list into text.
-  var input = Blockly.Dart.valueToCode(block, 'INPUT',
-      Blockly.Dart.ORDER_UNARY_POSTFIX);
-  var delimiter = Blockly.Dart.valueToCode(block, 'DELIM',
-      Blockly.Dart.ORDER_NONE) || '\'\'';
-  var mode = block.getFieldValue('MODE');
-  if (mode == 'SPLIT') {
-    if (!input) {
-      input = '\'\'';
-    }
-    var functionName = 'split';
-  } else if (mode == 'JOIN') {
-    if (!input) {
-      input = '[]';
-    }
-    var functionName = 'join';
-  } else {
-    throw Error('Unknown mode: ' + mode);
-  }
-  var code = input + '.' + functionName + '(' + delimiter + ')';
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['lists_reverse'] = function(block) {
-  // Block for reversing a list.
-  var list = Blockly.Dart.valueToCode(block, 'LIST',
-      Blockly.Dart.ORDER_NONE) || '[]';
-  // XXX What should the operator precedence be for a `new`?
-  var code = 'new List.from(' + list + '.reversed)';
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
diff --git a/generators/dart/lists.ts b/generators/dart/lists.ts
new file mode 100644
index 00000000000..4aaf3990592
--- /dev/null
+++ b/generators/dart/lists.ts
@@ -0,0 +1,525 @@
+/**
+ * @license
+ * Copyright 2014 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Dart for list blocks.
+ */
+
+// Former goog.module ID: Blockly.Dart.lists
+
+import type {Block} from '../../core/block.js';
+import type {CreateWithBlock} from '../../blocks/lists.js';
+import type {DartGenerator} from './dart_generator.js';
+import {NameType} from '../../core/names.js';
+import {Order} from './dart_generator.js';
+
+// RESERVED WORDS: 'Math'
+
+export function lists_create_empty(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Create an empty list.
+  return ['[]', Order.ATOMIC];
+}
+
+export function lists_create_with(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Create a list with any number of elements of any type.
+  const createWithBlock = block as CreateWithBlock;
+  const elements = new Array(createWithBlock.itemCount_);
+  for (let i = 0; i < createWithBlock.itemCount_; i++) {
+    elements[i] = generator.valueToCode(block, 'ADD' + i, Order.NONE) || 'null';
+  }
+  const code = '[' + elements.join(', ') + ']';
+  return [code, Order.ATOMIC];
+}
+
+export function lists_repeat(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Create a list with one element repeated.
+  const element = generator.valueToCode(block, 'ITEM', Order.NONE) || 'null';
+  const repeatCount = generator.valueToCode(block, 'NUM', Order.NONE) || '0';
+  const code = 'new List.filled(' + repeatCount + ', ' + element + ')';
+  return [code, Order.UNARY_POSTFIX];
+}
+
+export function lists_length(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // String or array length.
+  const list =
+    generator.valueToCode(block, 'VALUE', Order.UNARY_POSTFIX) || '[]';
+  return [list + '.length', Order.UNARY_POSTFIX];
+}
+
+export function lists_isEmpty(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Is the string null or array empty?
+  const list =
+    generator.valueToCode(block, 'VALUE', Order.UNARY_POSTFIX) || '[]';
+  return [list + '.isEmpty', Order.UNARY_POSTFIX];
+}
+
+export function lists_indexOf(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Find an item in the list.
+  const operator =
+    block.getFieldValue('END') === 'FIRST' ? 'indexOf' : 'lastIndexOf';
+  const item = generator.valueToCode(block, 'FIND', Order.NONE) || "''";
+  const list =
+    generator.valueToCode(block, 'VALUE', Order.UNARY_POSTFIX) || '[]';
+  const code = list + '.' + operator + '(' + item + ')';
+  if (block.workspace.options.oneBasedIndex) {
+    return [code + ' + 1', Order.ADDITIVE];
+  }
+  return [code, Order.UNARY_POSTFIX];
+}
+
+export function lists_getIndex(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] | string {
+  // Get element at index.
+  // Note: Until January 2013 this block did not have MODE or WHERE inputs.
+  const mode = block.getFieldValue('MODE') || 'GET';
+  const where = block.getFieldValue('WHERE') || 'FROM_START';
+  const listOrder =
+    where === 'RANDOM' || where === 'FROM_END'
+      ? Order.NONE
+      : Order.UNARY_POSTFIX;
+  let list = generator.valueToCode(block, 'VALUE', listOrder) || '[]';
+  // Cache non-trivial values to variables to prevent repeated look-ups.
+  // Closure, which accesses and modifies 'list'.
+  function cacheList() {
+    const listVar = generator.nameDB_!.getDistinctName(
+      'tmp_list',
+      NameType.VARIABLE,
+    );
+    const code = 'List ' + listVar + ' = ' + list + ';\n';
+    list = listVar;
+    return code;
+  }
+  // If `list` would be evaluated more than once (which is the case for
+  // RANDOM REMOVE and FROM_END) and is non-trivial, make sure to access it
+  // only once.
+  if (
+    ((where === 'RANDOM' && mode === 'REMOVE') || where === 'FROM_END') &&
+    !list.match(/^\w+$/)
+  ) {
+    // `list` is an expression, so we may not evaluate it more than once.
+    if (where === 'RANDOM') {
+      // TODO(#7600): find better approach than casting to any to override
+      // CodeGenerator declaring .definitions protected.
+      (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+        "import 'dart:math' as Math;";
+      // We can use multiple statements.
+      let code = cacheList();
+      const xVar = generator.nameDB_!.getDistinctName(
+        'tmp_x',
+        NameType.VARIABLE,
+      );
+      code +=
+        'int ' + xVar + ' = new Math.Random().nextInt(' + list + '.length);\n';
+      code += list + '.removeAt(' + xVar + ');\n';
+      return code;
+    } else {
+      // where === 'FROM_END'
+      if (mode === 'REMOVE') {
+        // We can use multiple statements.
+        const at = generator.getAdjusted(block, 'AT', 1, false, Order.ADDITIVE);
+        let code = cacheList();
+        code += list + '.removeAt(' + list + '.length' + ' - ' + at + ');\n';
+        return code;
+      } else if (mode === 'GET') {
+        const at = generator.getAdjusted(block, 'AT', 1);
+        // We need to create a procedure to avoid reevaluating values.
+        const functionName = generator.provideFunction_(
+          'lists_get_from_end',
+          `
+dynamic ${generator.FUNCTION_NAME_PLACEHOLDER_}(List my_list, num x) {
+  x = my_list.length - x;
+  return my_list[x];
+}
+`,
+        );
+        const code = functionName + '(' + list + ', ' + at + ')';
+        return [code, Order.UNARY_POSTFIX];
+      } else if (mode === 'GET_REMOVE') {
+        const at = generator.getAdjusted(block, 'AT', 1);
+        // We need to create a procedure to avoid reevaluating values.
+        const functionName = generator.provideFunction_(
+          'lists_remove_from_end',
+          `
+dynamic ${generator.FUNCTION_NAME_PLACEHOLDER_}(List my_list, num x) {
+  x = my_list.length - x;
+  return my_list.removeAt(x);
+}
+`,
+        );
+        const code = functionName + '(' + list + ', ' + at + ')';
+        return [code, Order.UNARY_POSTFIX];
+      }
+    }
+  } else {
+    // Either `list` is a simple variable, or we only need to refer to `list`
+    // once.
+    switch (where) {
+      case 'FIRST':
+        if (mode === 'GET') {
+          const code = list + '.first';
+          return [code, Order.UNARY_POSTFIX];
+        } else if (mode === 'GET_REMOVE') {
+          const code = list + '.removeAt(0)';
+          return [code, Order.UNARY_POSTFIX];
+        } else if (mode === 'REMOVE') {
+          return list + '.removeAt(0);\n';
+        }
+        break;
+      case 'LAST':
+        if (mode === 'GET') {
+          const code = list + '.last';
+          return [code, Order.UNARY_POSTFIX];
+        } else if (mode === 'GET_REMOVE') {
+          const code = list + '.removeLast()';
+          return [code, Order.UNARY_POSTFIX];
+        } else if (mode === 'REMOVE') {
+          return list + '.removeLast();\n';
+        }
+        break;
+      case 'FROM_START': {
+        const at = generator.getAdjusted(block, 'AT');
+        if (mode === 'GET') {
+          const code = list + '[' + at + ']';
+          return [code, Order.UNARY_POSTFIX];
+        } else if (mode === 'GET_REMOVE') {
+          const code = list + '.removeAt(' + at + ')';
+          return [code, Order.UNARY_POSTFIX];
+        } else if (mode === 'REMOVE') {
+          return list + '.removeAt(' + at + ');\n';
+        }
+        break;
+      }
+      case 'FROM_END': {
+        const at = generator.getAdjusted(block, 'AT', 1, false, Order.ADDITIVE);
+        if (mode === 'GET') {
+          const code = list + '[' + list + '.length - ' + at + ']';
+          return [code, Order.UNARY_POSTFIX];
+        } else if (mode === 'GET_REMOVE' || mode === 'REMOVE') {
+          const code = list + '.removeAt(' + list + '.length - ' + at + ')';
+          if (mode === 'GET_REMOVE') {
+            return [code, Order.UNARY_POSTFIX];
+          } else if (mode === 'REMOVE') {
+            return code + ';\n';
+          }
+        }
+        break;
+      }
+      case 'RANDOM':
+        // TODO(#7600): find better approach than casting to any to override
+        // CodeGenerator declaring .definitions protected.
+        (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+          "import 'dart:math' as Math;";
+        if (mode === 'REMOVE') {
+          // We can use multiple statements.
+          const xVar = generator.nameDB_!.getDistinctName(
+            'tmp_x',
+            NameType.VARIABLE,
+          );
+          let code =
+            'int ' +
+            xVar +
+            ' = new Math.Random().nextInt(' +
+            list +
+            '.length);\n';
+          code += list + '.removeAt(' + xVar + ');\n';
+          return code;
+        } else if (mode === 'GET') {
+          const functionName = generator.provideFunction_(
+            'lists_get_random_item',
+            `
+dynamic ${generator.FUNCTION_NAME_PLACEHOLDER_}(List my_list) {
+  int x = new Math.Random().nextInt(my_list.length);
+  return my_list[x];
+}
+`,
+          );
+          const code = functionName + '(' + list + ')';
+          return [code, Order.UNARY_POSTFIX];
+        } else if (mode === 'GET_REMOVE') {
+          const functionName = generator.provideFunction_(
+            'lists_remove_random_item',
+            `
+dynamic ${generator.FUNCTION_NAME_PLACEHOLDER_}(List my_list) {
+  int x = new Math.Random().nextInt(my_list.length);
+  return my_list.removeAt(x);
+}
+`,
+          );
+          const code = functionName + '(' + list + ')';
+          return [code, Order.UNARY_POSTFIX];
+        }
+        break;
+    }
+  }
+  throw Error('Unhandled combination (lists_getIndex).');
+}
+
+export function lists_setIndex(block: Block, generator: DartGenerator) {
+  // Set element at index.
+  // Note: Until February 2013 this block did not have MODE or WHERE inputs.
+  const mode = block.getFieldValue('MODE') || 'GET';
+  const where = block.getFieldValue('WHERE') || 'FROM_START';
+  let list = generator.valueToCode(block, 'LIST', Order.UNARY_POSTFIX) || '[]';
+  const value = generator.valueToCode(block, 'TO', Order.ASSIGNMENT) || 'null';
+  // Cache non-trivial values to variables to prevent repeated look-ups.
+  // Closure, which accesses and modifies 'list'.
+  function cacheList() {
+    if (list.match(/^\w+$/)) {
+      return '';
+    }
+    const listVar = generator.nameDB_!.getDistinctName(
+      'tmp_list',
+      NameType.VARIABLE,
+    );
+    const code = 'List ' + listVar + ' = ' + list + ';\n';
+    list = listVar;
+    return code;
+  }
+  switch (where) {
+    case 'FIRST':
+      if (mode === 'SET') {
+        return list + '[0] = ' + value + ';\n';
+      } else if (mode === 'INSERT') {
+        return list + '.insert(0, ' + value + ');\n';
+      }
+      break;
+    case 'LAST':
+      if (mode === 'SET') {
+        let code = cacheList();
+        code += list + '[' + list + '.length - 1] = ' + value + ';\n';
+        return code;
+      } else if (mode === 'INSERT') {
+        return list + '.add(' + value + ');\n';
+      }
+      break;
+    case 'FROM_START': {
+      const at = generator.getAdjusted(block, 'AT');
+      if (mode === 'SET') {
+        return list + '[' + at + '] = ' + value + ';\n';
+      } else if (mode === 'INSERT') {
+        return list + '.insert(' + at + ', ' + value + ');\n';
+      }
+      break;
+    }
+    case 'FROM_END': {
+      const at = generator.getAdjusted(block, 'AT', 1, false, Order.ADDITIVE);
+      let code = cacheList();
+      if (mode === 'SET') {
+        code += list + '[' + list + '.length - ' + at + '] = ' + value + ';\n';
+        return code;
+      } else if (mode === 'INSERT') {
+        code +=
+          list + '.insert(' + list + '.length - ' + at + ', ' + value + ');\n';
+        return code;
+      }
+      break;
+    }
+    case 'RANDOM': {
+      // TODO(#7600): find better approach than casting to any to override
+      // CodeGenerator declaring .definitions protected.
+      (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+        "import 'dart:math' as Math;";
+      let code = cacheList();
+      const xVar = generator.nameDB_!.getDistinctName(
+        'tmp_x',
+        NameType.VARIABLE,
+      );
+      code +=
+        'int ' + xVar + ' = new Math.Random().nextInt(' + list + '.length);\n';
+      if (mode === 'SET') {
+        code += list + '[' + xVar + '] = ' + value + ';\n';
+        return code;
+      } else if (mode === 'INSERT') {
+        code += list + '.insert(' + xVar + ', ' + value + ');\n';
+        return code;
+      }
+      break;
+    }
+  }
+  throw Error('Unhandled combination (lists_setIndex).');
+}
+
+export function lists_getSublist(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Get sublist.
+  const list =
+    generator.valueToCode(block, 'LIST', Order.UNARY_POSTFIX) || '[]';
+  const where1 = block.getFieldValue('WHERE1');
+  const where2 = block.getFieldValue('WHERE2');
+  let code;
+  if (
+    list.match(/^\w+$/) ||
+    (where1 !== 'FROM_END' && where2 === 'FROM_START')
+  ) {
+    // If the list is a is a variable or doesn't require a call for length,
+    // don't generate a helper function.
+    let at1;
+    switch (where1) {
+      case 'FROM_START':
+        at1 = generator.getAdjusted(block, 'AT1');
+        break;
+      case 'FROM_END':
+        at1 = generator.getAdjusted(block, 'AT1', 1, false, Order.ADDITIVE);
+        at1 = list + '.length - ' + at1;
+        break;
+      case 'FIRST':
+        at1 = '0';
+        break;
+      default:
+        throw Error('Unhandled option (lists_getSublist).');
+    }
+    let at2;
+    switch (where2) {
+      case 'FROM_START':
+        at2 = generator.getAdjusted(block, 'AT2', 1);
+        break;
+      case 'FROM_END':
+        at2 = generator.getAdjusted(block, 'AT2', 0, false, Order.ADDITIVE);
+        at2 = list + '.length - ' + at2;
+        break;
+      case 'LAST':
+        // There is no second index if LAST option is chosen.
+        break;
+      default:
+        throw Error('Unhandled option (lists_getSublist).');
+    }
+    if (where2 === 'LAST') {
+      code = list + '.sublist(' + at1 + ')';
+    } else {
+      code = list + '.sublist(' + at1 + ', ' + at2 + ')';
+    }
+  } else {
+    const at1 = generator.getAdjusted(block, 'AT1');
+    const at2 = generator.getAdjusted(block, 'AT2');
+    const functionName = generator.provideFunction_(
+      'lists_get_sublist',
+      `
+List ${generator.FUNCTION_NAME_PLACEHOLDER_}(List list, String where1, num at1, String where2, num at2) {
+  int getAt(String where, num at) {
+    if (where == 'FROM_END') {
+      at = list.length - 1 - at;
+    } else if (where == 'FIRST') {
+      at = 0;
+    } else if (where == 'LAST') {
+      at = list.length - 1;
+    } else if (where != 'FROM_START') {
+      throw 'Unhandled option (lists_getSublist).';
+    }
+    return at;
+  }
+  at1 = getAt(where1, at1);
+  at2 = getAt(where2, at2) + 1;
+  return list.sublist(at1, at2);
+}
+`,
+    );
+    code =
+      functionName +
+      '(' +
+      list +
+      ", '" +
+      where1 +
+      "', " +
+      at1 +
+      ", '" +
+      where2 +
+      "', " +
+      at2 +
+      ')';
+  }
+  return [code, Order.UNARY_POSTFIX];
+}
+
+export function lists_sort(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Block for sorting a list.
+  const list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+  const direction = block.getFieldValue('DIRECTION') === '1' ? 1 : -1;
+  const type = block.getFieldValue('TYPE');
+  const sortFunctionName = generator.provideFunction_(
+    'lists_sort',
+    `
+List ${generator.FUNCTION_NAME_PLACEHOLDER_}(List list, String type, int direction) {
+  var compareFuncs = {
+    'NUMERIC': (a, b) => (direction * a.compareTo(b)).toInt(),
+    'TEXT': (a, b) => direction * a.toString().compareTo(b.toString()),
+    'IGNORE_CASE':
+      (a, b) => direction *
+      a.toString().toLowerCase().compareTo(b.toString().toLowerCase())
+  };
+  list = new List.from(list);
+  var compare = compareFuncs[type];
+  list.sort(compare);
+  return list;
+}
+`,
+  );
+  return [
+    sortFunctionName + '(' + list + ', ' + '"' + type + '", ' + direction + ')',
+    Order.UNARY_POSTFIX,
+  ];
+}
+
+export function lists_split(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Block for splitting text into a list, or joining a list into text.
+  let input = generator.valueToCode(block, 'INPUT', Order.UNARY_POSTFIX);
+  const delimiter = generator.valueToCode(block, 'DELIM', Order.NONE) || "''";
+  const mode = block.getFieldValue('MODE');
+  let functionName;
+  if (mode === 'SPLIT') {
+    if (!input) {
+      input = "''";
+    }
+    functionName = 'split';
+  } else if (mode === 'JOIN') {
+    if (!input) {
+      input = '[]';
+    }
+    functionName = 'join';
+  } else {
+    throw Error('Unknown mode: ' + mode);
+  }
+  const code = input + '.' + functionName + '(' + delimiter + ')';
+  return [code, Order.UNARY_POSTFIX];
+}
+
+export function lists_reverse(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Block for reversing a list.
+  const list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+  // XXX What should the operator precedence be for a `new`?
+  const code = 'new List.from(' + list + '.reversed)';
+  return [code, Order.UNARY_POSTFIX];
+}
diff --git a/generators/dart/logic.js b/generators/dart/logic.js
deleted file mode 100644
index 035ffbd5051..00000000000
--- a/generators/dart/logic.js
+++ /dev/null
@@ -1,127 +0,0 @@
-/**
- * @license
- * Copyright 2014 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Dart for logic blocks.
- * @author q.neutron@gmail.com (Quynh Neutron)
- */
-'use strict';
-
-goog.provide('Blockly.Dart.logic');
-
-goog.require('Blockly.Dart');
-
-
-Blockly.Dart['controls_if'] = function(block) {
-  // If/elseif/else condition.
-  var n = 0;
-  var code = '', branchCode, conditionCode;
-  if (Blockly.Dart.STATEMENT_PREFIX) {
-    // Automatic prefix insertion is switched off for this block.  Add manually.
-    code += Blockly.Dart.injectId(Blockly.Dart.STATEMENT_PREFIX, block);
-  }
-  do {
-    conditionCode = Blockly.Dart.valueToCode(block, 'IF' + n,
-        Blockly.Dart.ORDER_NONE) || 'false';
-    branchCode = Blockly.Dart.statementToCode(block, 'DO' + n);
-    if (Blockly.Dart.STATEMENT_SUFFIX) {
-      branchCode = Blockly.Dart.prefixLines(
-          Blockly.Dart.injectId(Blockly.Dart.STATEMENT_SUFFIX, block),
-          Blockly.Dart.INDENT) + branchCode;
-    }
-    code += (n > 0 ? 'else ' : '') +
-        'if (' + conditionCode + ') {\n' + branchCode + '}';
-    ++n;
-  } while (block.getInput('IF' + n));
-
-  if (block.getInput('ELSE') || Blockly.Dart.STATEMENT_SUFFIX) {
-    branchCode = Blockly.Dart.statementToCode(block, 'ELSE');
-    if (Blockly.Dart.STATEMENT_SUFFIX) {
-      branchCode = Blockly.Dart.prefixLines(
-          Blockly.Dart.injectId(Blockly.Dart.STATEMENT_SUFFIX, block),
-          Blockly.Dart.INDENT) + branchCode;
-    }
-    code += ' else {\n' + branchCode + '}';
-  }
-  return code + '\n';
-};
-
-Blockly.Dart['controls_ifelse'] = Blockly.Dart['controls_if'];
-
-Blockly.Dart['logic_compare'] = function(block) {
-  // Comparison operator.
-  var OPERATORS = {
-    'EQ': '==',
-    'NEQ': '!=',
-    'LT': '<',
-    'LTE': '<=',
-    'GT': '>',
-    'GTE': '>='
-  };
-  var operator = OPERATORS[block.getFieldValue('OP')];
-  var order = (operator == '==' || operator == '!=') ?
-      Blockly.Dart.ORDER_EQUALITY : Blockly.Dart.ORDER_RELATIONAL;
-  var argument0 = Blockly.Dart.valueToCode(block, 'A', order) || '0';
-  var argument1 = Blockly.Dart.valueToCode(block, 'B', order) || '0';
-  var code = argument0 + ' ' + operator + ' ' + argument1;
-  return [code, order];
-};
-
-Blockly.Dart['logic_operation'] = function(block) {
-  // Operations 'and', 'or'.
-  var operator = (block.getFieldValue('OP') == 'AND') ? '&&' : '||';
-  var order = (operator == '&&') ? Blockly.Dart.ORDER_LOGICAL_AND :
-      Blockly.Dart.ORDER_LOGICAL_OR;
-  var argument0 = Blockly.Dart.valueToCode(block, 'A', order);
-  var argument1 = Blockly.Dart.valueToCode(block, 'B', order);
-  if (!argument0 && !argument1) {
-    // If there are no arguments, then the return value is false.
-    argument0 = 'false';
-    argument1 = 'false';
-  } else {
-    // Single missing arguments have no effect on the return value.
-    var defaultArgument = (operator == '&&') ? 'true' : 'false';
-    if (!argument0) {
-      argument0 = defaultArgument;
-    }
-    if (!argument1) {
-      argument1 = defaultArgument;
-    }
-  }
-  var code = argument0 + ' ' + operator + ' ' + argument1;
-  return [code, order];
-};
-
-Blockly.Dart['logic_negate'] = function(block) {
-  // Negation.
-  var order = Blockly.Dart.ORDER_UNARY_PREFIX;
-  var argument0 = Blockly.Dart.valueToCode(block, 'BOOL', order) || 'true';
-  var code = '!' + argument0;
-  return [code, order];
-};
-
-Blockly.Dart['logic_boolean'] = function(block) {
-  // Boolean values true and false.
-  var code = (block.getFieldValue('BOOL') == 'TRUE') ? 'true' : 'false';
-  return [code, Blockly.Dart.ORDER_ATOMIC];
-};
-
-Blockly.Dart['logic_null'] = function(block) {
-  // Null data type.
-  return ['null', Blockly.Dart.ORDER_ATOMIC];
-};
-
-Blockly.Dart['logic_ternary'] = function(block) {
-  // Ternary operator.
-  var value_if = Blockly.Dart.valueToCode(block, 'IF',
-      Blockly.Dart.ORDER_CONDITIONAL) || 'false';
-  var value_then = Blockly.Dart.valueToCode(block, 'THEN',
-      Blockly.Dart.ORDER_CONDITIONAL) || 'null';
-  var value_else = Blockly.Dart.valueToCode(block, 'ELSE',
-      Blockly.Dart.ORDER_CONDITIONAL) || 'null';
-  var code = value_if + ' ? ' + value_then + ' : ' + value_else;
-  return [code, Blockly.Dart.ORDER_CONDITIONAL];
-};
diff --git a/generators/dart/logic.ts b/generators/dart/logic.ts
new file mode 100644
index 00000000000..45c385b863a
--- /dev/null
+++ b/generators/dart/logic.ts
@@ -0,0 +1,155 @@
+/**
+ * @license
+ * Copyright 2014 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Dart for logic blocks.
+ */
+
+// Former goog.module ID: Blockly.Dart.logic
+
+import type {Block} from '../../core/block.js';
+import type {DartGenerator} from './dart_generator.js';
+import {Order} from './dart_generator.js';
+
+export function controls_if(block: Block, generator: DartGenerator) {
+  // If/elseif/else condition.
+  let n = 0;
+  let code = '',
+    branchCode,
+    conditionCode;
+  if (generator.STATEMENT_PREFIX) {
+    // Automatic prefix insertion is switched off for this block.  Add manually.
+    code += generator.injectId(generator.STATEMENT_PREFIX, block);
+  }
+  do {
+    conditionCode =
+      generator.valueToCode(block, 'IF' + n, Order.NONE) || 'false';
+    branchCode = generator.statementToCode(block, 'DO' + n);
+    if (generator.STATEMENT_SUFFIX) {
+      branchCode =
+        generator.prefixLines(
+          generator.injectId(generator.STATEMENT_SUFFIX, block),
+          generator.INDENT,
+        ) + branchCode;
+    }
+    code +=
+      (n > 0 ? 'else ' : '') +
+      'if (' +
+      conditionCode +
+      ') {\n' +
+      branchCode +
+      '}';
+    n++;
+  } while (block.getInput('IF' + n));
+
+  if (block.getInput('ELSE') || generator.STATEMENT_SUFFIX) {
+    branchCode = generator.statementToCode(block, 'ELSE');
+    if (generator.STATEMENT_SUFFIX) {
+      branchCode =
+        generator.prefixLines(
+          generator.injectId(generator.STATEMENT_SUFFIX, block),
+          generator.INDENT,
+        ) + branchCode;
+    }
+    code += ' else {\n' + branchCode + '}';
+  }
+  return code + '\n';
+}
+
+export const controls_ifelse = controls_if;
+
+export function logic_compare(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Comparison operator.
+  const OPERATORS = {
+    'EQ': '==',
+    'NEQ': '!=',
+    'LT': '<',
+    'LTE': '<=',
+    'GT': '>',
+    'GTE': '>=',
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const operator = OPERATORS[block.getFieldValue('OP') as OperatorOption];
+  const order =
+    operator === '==' || operator === '!=' ? Order.EQUALITY : Order.RELATIONAL;
+  const argument0 = generator.valueToCode(block, 'A', order) || '0';
+  const argument1 = generator.valueToCode(block, 'B', order) || '0';
+  const code = argument0 + ' ' + operator + ' ' + argument1;
+  return [code, order];
+}
+
+export function logic_operation(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Operations 'and', 'or'.
+  const operator = block.getFieldValue('OP') === 'AND' ? '&&' : '||';
+  const order = operator === '&&' ? Order.LOGICAL_AND : Order.LOGICAL_OR;
+  let argument0 = generator.valueToCode(block, 'A', order);
+  let argument1 = generator.valueToCode(block, 'B', order);
+  if (!argument0 && !argument1) {
+    // If there are no arguments, then the return value is false.
+    argument0 = 'false';
+    argument1 = 'false';
+  } else {
+    // Single missing arguments have no effect on the return value.
+    const defaultArgument = operator === '&&' ? 'true' : 'false';
+    if (!argument0) {
+      argument0 = defaultArgument;
+    }
+    if (!argument1) {
+      argument1 = defaultArgument;
+    }
+  }
+  const code = argument0 + ' ' + operator + ' ' + argument1;
+  return [code, order];
+}
+
+export function logic_negate(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Negation.
+  const order = Order.UNARY_PREFIX;
+  const argument0 = generator.valueToCode(block, 'BOOL', order) || 'true';
+  const code = '!' + argument0;
+  return [code, order];
+}
+
+export function logic_boolean(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Boolean values true and false.
+  const code = block.getFieldValue('BOOL') === 'TRUE' ? 'true' : 'false';
+  return [code, Order.ATOMIC];
+}
+
+export function logic_null(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Null data type.
+  return ['null', Order.ATOMIC];
+}
+
+export function logic_ternary(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Ternary operator.
+  const value_if =
+    generator.valueToCode(block, 'IF', Order.CONDITIONAL) || 'false';
+  const value_then =
+    generator.valueToCode(block, 'THEN', Order.CONDITIONAL) || 'null';
+  const value_else =
+    generator.valueToCode(block, 'ELSE', Order.CONDITIONAL) || 'null';
+  const code = value_if + ' ? ' + value_then + ' : ' + value_else;
+  return [code, Order.CONDITIONAL];
+}
diff --git a/generators/dart/loops.js b/generators/dart/loops.js
deleted file mode 100644
index 4ab38ca665b..00000000000
--- a/generators/dart/loops.js
+++ /dev/null
@@ -1,169 +0,0 @@
-/**
- * @license
- * Copyright 2014 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Dart for loop blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Dart.loops');
-
-goog.require('Blockly.Dart');
-
-
-Blockly.Dart['controls_repeat_ext'] = function(block) {
-  // Repeat n times.
-  if (block.getField('TIMES')) {
-    // Internal number.
-    var repeats = String(Number(block.getFieldValue('TIMES')));
-  } else {
-    // External number.
-    var repeats = Blockly.Dart.valueToCode(block, 'TIMES',
-        Blockly.Dart.ORDER_ASSIGNMENT) || '0';
-  }
-  var branch = Blockly.Dart.statementToCode(block, 'DO');
-  branch = Blockly.Dart.addLoopTrap(branch, block);
-  var code = '';
-  var loopVar = Blockly.Dart.variableDB_.getDistinctName(
-      'count', Blockly.VARIABLE_CATEGORY_NAME);
-  var endVar = repeats;
-  if (!repeats.match(/^\w+$/) && !Blockly.isNumber(repeats)) {
-    endVar = Blockly.Dart.variableDB_.getDistinctName(
-        'repeat_end', Blockly.VARIABLE_CATEGORY_NAME);
-    code += 'var ' + endVar + ' = ' + repeats + ';\n';
-  }
-  code += 'for (int ' + loopVar + ' = 0; ' +
-      loopVar + ' < ' + endVar + '; ' +
-      loopVar + '++) {\n' +
-      branch + '}\n';
-  return code;
-};
-
-Blockly.Dart['controls_repeat'] = Blockly.Dart['controls_repeat_ext'];
-
-Blockly.Dart['controls_whileUntil'] = function(block) {
-  // Do while/until loop.
-  var until = block.getFieldValue('MODE') == 'UNTIL';
-  var argument0 = Blockly.Dart.valueToCode(block, 'BOOL',
-      until ? Blockly.Dart.ORDER_UNARY_PREFIX :
-      Blockly.Dart.ORDER_NONE) || 'false';
-  var branch = Blockly.Dart.statementToCode(block, 'DO');
-  branch = Blockly.Dart.addLoopTrap(branch, block);
-  if (until) {
-    argument0 = '!' + argument0;
-  }
-  return 'while (' + argument0 + ') {\n' + branch + '}\n';
-};
-
-Blockly.Dart['controls_for'] = function(block) {
-  // For loop.
-  var variable0 = Blockly.Dart.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  var argument0 = Blockly.Dart.valueToCode(block, 'FROM',
-      Blockly.Dart.ORDER_ASSIGNMENT) || '0';
-  var argument1 = Blockly.Dart.valueToCode(block, 'TO',
-      Blockly.Dart.ORDER_ASSIGNMENT) || '0';
-  var increment = Blockly.Dart.valueToCode(block, 'BY',
-      Blockly.Dart.ORDER_ASSIGNMENT) || '1';
-  var branch = Blockly.Dart.statementToCode(block, 'DO');
-  branch = Blockly.Dart.addLoopTrap(branch, block);
-  var code;
-  if (Blockly.isNumber(argument0) && Blockly.isNumber(argument1) &&
-      Blockly.isNumber(increment)) {
-    // All arguments are simple numbers.
-    var up = Number(argument0) <= Number(argument1);
-    code = 'for (' + variable0 + ' = ' + argument0 + '; ' +
-        variable0 + (up ? ' <= ' : ' >= ') + argument1 + '; ' +
-        variable0;
-    var step = Math.abs(Number(increment));
-    if (step == 1) {
-      code += up ? '++' : '--';
-    } else {
-      code += (up ? ' += ' : ' -= ') + step;
-    }
-    code += ') {\n' + branch + '}\n';
-  } else {
-    code = '';
-    // Cache non-trivial values to variables to prevent repeated look-ups.
-    var startVar = argument0;
-    if (!argument0.match(/^\w+$/) && !Blockly.isNumber(argument0)) {
-      startVar = Blockly.Dart.variableDB_.getDistinctName(
-          variable0 + '_start', Blockly.VARIABLE_CATEGORY_NAME);
-      code += 'var ' + startVar + ' = ' + argument0 + ';\n';
-    }
-    var endVar = argument1;
-    if (!argument1.match(/^\w+$/) && !Blockly.isNumber(argument1)) {
-      endVar = Blockly.Dart.variableDB_.getDistinctName(
-          variable0 + '_end', Blockly.VARIABLE_CATEGORY_NAME);
-      code += 'var ' + endVar + ' = ' + argument1 + ';\n';
-    }
-    // Determine loop direction at start, in case one of the bounds
-    // changes during loop execution.
-    var incVar = Blockly.Dart.variableDB_.getDistinctName(
-        variable0 + '_inc', Blockly.VARIABLE_CATEGORY_NAME);
-    code += 'num ' + incVar + ' = ';
-    if (Blockly.isNumber(increment)) {
-      code += Math.abs(increment) + ';\n';
-    } else {
-      code += '(' + increment + ').abs();\n';
-    }
-    code += 'if (' + startVar + ' > ' + endVar + ') {\n';
-    code += Blockly.Dart.INDENT + incVar + ' = -' + incVar + ';\n';
-    code += '}\n';
-    code += 'for (' + variable0 + ' = ' + startVar + '; ' +
-        incVar + ' >= 0 ? ' +
-        variable0 + ' <= ' + endVar + ' : ' +
-        variable0 + ' >= ' + endVar + '; ' +
-        variable0 + ' += ' + incVar + ') {\n' +
-        branch + '}\n';
-  }
-  return code;
-};
-
-Blockly.Dart['controls_forEach'] = function(block) {
-  // For each loop.
-  var variable0 = Blockly.Dart.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  var argument0 = Blockly.Dart.valueToCode(block, 'LIST',
-      Blockly.Dart.ORDER_ASSIGNMENT) || '[]';
-  var branch = Blockly.Dart.statementToCode(block, 'DO');
-  branch = Blockly.Dart.addLoopTrap(branch, block);
-  var code = 'for (var ' + variable0 + ' in ' + argument0 + ') {\n' +
-      branch + '}\n';
-  return code;
-};
-
-Blockly.Dart['controls_flow_statements'] = function(block) {
-  // Flow statements: continue, break.
-  var xfix = '';
-  if (Blockly.Dart.STATEMENT_PREFIX) {
-    // Automatic prefix insertion is switched off for this block.  Add manually.
-    xfix += Blockly.Dart.injectId(Blockly.Dart.STATEMENT_PREFIX, block);
-  }
-  if (Blockly.Dart.STATEMENT_SUFFIX) {
-    // Inject any statement suffix here since the regular one at the end
-    // will not get executed if the break/continue is triggered.
-    xfix += Blockly.Dart.injectId(Blockly.Dart.STATEMENT_SUFFIX, block);
-  }
-  if (Blockly.Dart.STATEMENT_PREFIX) {
-    var loop = Blockly.Constants.Loops
-        .CONTROL_FLOW_IN_LOOP_CHECK_MIXIN.getSurroundLoop(block);
-    if (loop && !loop.suppressPrefixSuffix) {
-      // Inject loop's statement prefix here since the regular one at the end
-      // of the loop will not get executed if 'continue' is triggered.
-      // In the case of 'break', a prefix is needed due to the loop's suffix.
-      xfix += Blockly.Dart.injectId(Blockly.Dart.STATEMENT_PREFIX, loop);
-    }
-  }
-  switch (block.getFieldValue('FLOW')) {
-    case 'BREAK':
-      return xfix + 'break;\n';
-    case 'CONTINUE':
-      return xfix + 'continue;\n';
-  }
-  throw Error('Unknown flow statement.');
-};
diff --git a/generators/dart/loops.ts b/generators/dart/loops.ts
new file mode 100644
index 00000000000..a6b6bb18048
--- /dev/null
+++ b/generators/dart/loops.ts
@@ -0,0 +1,217 @@
+/**
+ * @license
+ * Copyright 2014 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Dart for loop blocks.
+ */
+
+// Former goog.module ID: Blockly.Dart.loops
+
+import * as stringUtils from '../../core/utils/string.js';
+import type {Block} from '../../core/block.js';
+import type {ControlFlowInLoopBlock} from '../../blocks/loops.js';
+import type {DartGenerator} from './dart_generator.js';
+import {NameType} from '../../core/names.js';
+import {Order} from './dart_generator.js';
+
+export function controls_repeat_ext(block: Block, generator: DartGenerator) {
+  let repeats;
+  // Repeat n times.
+  if (block.getField('TIMES')) {
+    // Internal number.
+    repeats = String(Number(block.getFieldValue('TIMES')));
+  } else {
+    // External number.
+    repeats = generator.valueToCode(block, 'TIMES', Order.ASSIGNMENT) || '0';
+  }
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  let code = '';
+  const loopVar = generator.nameDB_!.getDistinctName(
+    'count',
+    NameType.VARIABLE,
+  );
+  let endVar = repeats;
+  if (!repeats.match(/^\w+$/) && !stringUtils.isNumber(repeats)) {
+    endVar = generator.nameDB_!.getDistinctName(
+      'repeat_end',
+      NameType.VARIABLE,
+    );
+    code += 'var ' + endVar + ' = ' + repeats + ';\n';
+  }
+  code +=
+    'for (int ' +
+    loopVar +
+    ' = 0; ' +
+    loopVar +
+    ' < ' +
+    endVar +
+    '; ' +
+    loopVar +
+    '++) {\n' +
+    branch +
+    '}\n';
+  return code;
+}
+
+export const controls_repeat = controls_repeat_ext;
+
+export function controls_whileUntil(block: Block, generator: DartGenerator) {
+  // Do while/until loop.
+  const until = block.getFieldValue('MODE') === 'UNTIL';
+  let argument0 =
+    generator.valueToCode(
+      block,
+      'BOOL',
+      until ? Order.UNARY_PREFIX : Order.NONE,
+    ) || 'false';
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  if (until) {
+    argument0 = '!' + argument0;
+  }
+  return 'while (' + argument0 + ') {\n' + branch + '}\n';
+}
+
+export function controls_for(block: Block, generator: DartGenerator) {
+  // For loop.
+  const variable0 = generator.getVariableName(block.getFieldValue('VAR'));
+  const argument0 =
+    generator.valueToCode(block, 'FROM', Order.ASSIGNMENT) || '0';
+  const argument1 = generator.valueToCode(block, 'TO', Order.ASSIGNMENT) || '0';
+  const increment = generator.valueToCode(block, 'BY', Order.ASSIGNMENT) || '1';
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  let code;
+  if (
+    stringUtils.isNumber(argument0) &&
+    stringUtils.isNumber(argument1) &&
+    stringUtils.isNumber(increment)
+  ) {
+    // All arguments are simple numbers.
+    const up = Number(argument0) <= Number(argument1);
+    code =
+      'for (' +
+      variable0 +
+      ' = ' +
+      argument0 +
+      '; ' +
+      variable0 +
+      (up ? ' <= ' : ' >= ') +
+      argument1 +
+      '; ' +
+      variable0;
+    const step = Math.abs(Number(increment));
+    if (step === 1) {
+      code += up ? '++' : '--';
+    } else {
+      code += (up ? ' += ' : ' -= ') + step;
+    }
+    code += ') {\n' + branch + '}\n';
+  } else {
+    code = '';
+    // Cache non-trivial values to variables to prevent repeated look-ups.
+    let startVar = argument0;
+    if (!argument0.match(/^\w+$/) && !stringUtils.isNumber(argument0)) {
+      startVar = generator.nameDB_!.getDistinctName(
+        variable0 + '_start',
+        NameType.VARIABLE,
+      );
+      code += 'var ' + startVar + ' = ' + argument0 + ';\n';
+    }
+    let endVar = argument1;
+    if (!argument1.match(/^\w+$/) && !stringUtils.isNumber(argument1)) {
+      endVar = generator.nameDB_!.getDistinctName(
+        variable0 + '_end',
+        NameType.VARIABLE,
+      );
+      code += 'var ' + endVar + ' = ' + argument1 + ';\n';
+    }
+    // Determine loop direction at start, in case one of the bounds
+    // changes during loop execution.
+    const incVar = generator.nameDB_!.getDistinctName(
+      variable0 + '_inc',
+      NameType.VARIABLE,
+    );
+    code += 'num ' + incVar + ' = ';
+    if (stringUtils.isNumber(increment)) {
+      code += Math.abs(Number(increment)) + ';\n';
+    } else {
+      code += '(' + increment + ').abs();\n';
+    }
+    code += 'if (' + startVar + ' > ' + endVar + ') {\n';
+    code += generator.INDENT + incVar + ' = -' + incVar + ';\n';
+    code += '}\n';
+    code +=
+      'for (' +
+      variable0 +
+      ' = ' +
+      startVar +
+      '; ' +
+      incVar +
+      ' >= 0 ? ' +
+      variable0 +
+      ' <= ' +
+      endVar +
+      ' : ' +
+      variable0 +
+      ' >= ' +
+      endVar +
+      '; ' +
+      variable0 +
+      ' += ' +
+      incVar +
+      ') {\n' +
+      branch +
+      '}\n';
+  }
+  return code;
+}
+
+export function controls_forEach(block: Block, generator: DartGenerator) {
+  // For each loop.
+  const variable0 = generator.getVariableName(block.getFieldValue('VAR'));
+  const argument0 =
+    generator.valueToCode(block, 'LIST', Order.ASSIGNMENT) || '[]';
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  const code =
+    'for (var ' + variable0 + ' in ' + argument0 + ') {\n' + branch + '}\n';
+  return code;
+}
+
+export function controls_flow_statements(
+  block: Block,
+  generator: DartGenerator,
+) {
+  // Flow statements: continue, break.
+  let xfix = '';
+  if (generator.STATEMENT_PREFIX) {
+    // Automatic prefix insertion is switched off for this block.  Add manually.
+    xfix += generator.injectId(generator.STATEMENT_PREFIX, block);
+  }
+  if (generator.STATEMENT_SUFFIX) {
+    // Inject any statement suffix here since the regular one at the end
+    // will not get executed if the break/continue is triggered.
+    xfix += generator.injectId(generator.STATEMENT_SUFFIX, block);
+  }
+  if (generator.STATEMENT_PREFIX) {
+    const loop = (block as ControlFlowInLoopBlock).getSurroundLoop();
+    if (loop && !loop.suppressPrefixSuffix) {
+      // Inject loop's statement prefix here since the regular one at the end
+      // of the loop will not get executed if 'continue' is triggered.
+      // In the case of 'break', a prefix is needed due to the loop's suffix.
+      xfix += generator.injectId(generator.STATEMENT_PREFIX, loop);
+    }
+  }
+  switch (block.getFieldValue('FLOW')) {
+    case 'BREAK':
+      return xfix + 'break;\n';
+    case 'CONTINUE':
+      return xfix + 'continue;\n';
+  }
+  throw Error('Unknown flow statement.');
+}
diff --git a/generators/dart/math.js b/generators/dart/math.js
deleted file mode 100644
index 251047fdbd6..00000000000
--- a/generators/dart/math.js
+++ /dev/null
@@ -1,485 +0,0 @@
-/**
- * @license
- * Copyright 2014 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Dart for math blocks.
- * @author q.neutron@gmail.com (Quynh Neutron)
- */
-'use strict';
-
-goog.provide('Blockly.Dart.math');
-
-goog.require('Blockly.Dart');
-
-
-Blockly.Dart.addReservedWords('Math');
-
-Blockly.Dart['math_number'] = function(block) {
-  // Numeric value.
-  var code = Number(block.getFieldValue('NUM'));
-  var order;
-  if (code == Infinity) {
-    code = 'double.infinity';
-    order = Blockly.Dart.ORDER_UNARY_POSTFIX;
-  } else if (code == -Infinity) {
-    code = '-double.infinity';
-    order = Blockly.Dart.ORDER_UNARY_PREFIX;
-  } else {
-    // -4.abs() returns -4 in Dart due to strange order of operation choices.
-    // -4 is actually an operator and a number.  Reflect this in the order.
-    order = code < 0 ?
-        Blockly.Dart.ORDER_UNARY_PREFIX : Blockly.Dart.ORDER_ATOMIC;
-  }
-  return [code, order];
-};
-
-Blockly.Dart['math_arithmetic'] = function(block) {
-  // Basic arithmetic operators, and power.
-  var OPERATORS = {
-    'ADD': [' + ', Blockly.Dart.ORDER_ADDITIVE],
-    'MINUS': [' - ', Blockly.Dart.ORDER_ADDITIVE],
-    'MULTIPLY': [' * ', Blockly.Dart.ORDER_MULTIPLICATIVE],
-    'DIVIDE': [' / ', Blockly.Dart.ORDER_MULTIPLICATIVE],
-    'POWER': [null, Blockly.Dart.ORDER_NONE]  // Handle power separately.
-  };
-  var tuple = OPERATORS[block.getFieldValue('OP')];
-  var operator = tuple[0];
-  var order = tuple[1];
-  var argument0 = Blockly.Dart.valueToCode(block, 'A', order) || '0';
-  var argument1 = Blockly.Dart.valueToCode(block, 'B', order) || '0';
-  var code;
-  // Power in Dart requires a special case since it has no operator.
-  if (!operator) {
-    Blockly.Dart.definitions_['import_dart_math'] =
-        'import \'dart:math\' as Math;';
-    code = 'Math.pow(' + argument0 + ', ' + argument1 + ')';
-    return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-  }
-  code = argument0 + operator + argument1;
-  return [code, order];
-};
-
-Blockly.Dart['math_single'] = function(block) {
-  // Math operators with single operand.
-  var operator = block.getFieldValue('OP');
-  var code;
-  var arg;
-  if (operator == 'NEG') {
-    // Negation is a special case given its different operator precedence.
-    arg = Blockly.Dart.valueToCode(block, 'NUM',
-        Blockly.Dart.ORDER_UNARY_PREFIX) || '0';
-    if (arg[0] == '-') {
-      // --3 is not legal in Dart.
-      arg = ' ' + arg;
-    }
-    code = '-' + arg;
-    return [code, Blockly.Dart.ORDER_UNARY_PREFIX];
-  }
-  Blockly.Dart.definitions_['import_dart_math'] =
-      'import \'dart:math\' as Math;';
-  if (operator == 'ABS' || operator.substring(0, 5) == 'ROUND') {
-    arg = Blockly.Dart.valueToCode(block, 'NUM',
-        Blockly.Dart.ORDER_UNARY_POSTFIX) || '0';
-  } else if (operator == 'SIN' || operator == 'COS' || operator == 'TAN') {
-    arg = Blockly.Dart.valueToCode(block, 'NUM',
-        Blockly.Dart.ORDER_MULTIPLICATIVE) || '0';
-  } else {
-    arg = Blockly.Dart.valueToCode(block, 'NUM',
-        Blockly.Dart.ORDER_NONE) || '0';
-  }
-  // First, handle cases which generate values that don't need parentheses
-  // wrapping the code.
-  switch (operator) {
-    case 'ABS':
-      code = arg + '.abs()';
-      break;
-    case 'ROOT':
-      code = 'Math.sqrt(' + arg + ')';
-      break;
-    case 'LN':
-      code = 'Math.log(' + arg + ')';
-      break;
-    case 'EXP':
-      code = 'Math.exp(' + arg + ')';
-      break;
-    case 'POW10':
-      code = 'Math.pow(10,' + arg + ')';
-      break;
-    case 'ROUND':
-      code = arg + '.round()';
-      break;
-    case 'ROUNDUP':
-      code = arg + '.ceil()';
-      break;
-    case 'ROUNDDOWN':
-      code = arg + '.floor()';
-      break;
-    case 'SIN':
-      code = 'Math.sin(' + arg + ' / 180 * Math.pi)';
-      break;
-    case 'COS':
-      code = 'Math.cos(' + arg + ' / 180 * Math.pi)';
-      break;
-    case 'TAN':
-      code = 'Math.tan(' + arg + ' / 180 * Math.pi)';
-      break;
-  }
-  if (code) {
-    return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-  }
-  // Second, handle cases which generate values that may need parentheses
-  // wrapping the code.
-  switch (operator) {
-    case 'LOG10':
-      code = 'Math.log(' + arg + ') / Math.log(10)';
-      break;
-    case 'ASIN':
-      code = 'Math.asin(' + arg + ') / Math.pi * 180';
-      break;
-    case 'ACOS':
-      code = 'Math.acos(' + arg + ') / Math.pi * 180';
-      break;
-    case 'ATAN':
-      code = 'Math.atan(' + arg + ') / Math.pi * 180';
-      break;
-    default:
-      throw Error('Unknown math operator: ' + operator);
-  }
-  return [code, Blockly.Dart.ORDER_MULTIPLICATIVE];
-};
-
-Blockly.Dart['math_constant'] = function(block) {
-  // Constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
-  var CONSTANTS = {
-    'PI': ['Math.pi', Blockly.Dart.ORDER_UNARY_POSTFIX],
-    'E': ['Math.e', Blockly.Dart.ORDER_UNARY_POSTFIX],
-    'GOLDEN_RATIO':
-        ['(1 + Math.sqrt(5)) / 2', Blockly.Dart.ORDER_MULTIPLICATIVE],
-    'SQRT2': ['Math.sqrt2', Blockly.Dart.ORDER_UNARY_POSTFIX],
-    'SQRT1_2': ['Math.sqrt1_2', Blockly.Dart.ORDER_UNARY_POSTFIX],
-    'INFINITY': ['double.infinity', Blockly.Dart.ORDER_ATOMIC]
-  };
-  var constant = block.getFieldValue('CONSTANT');
-  if (constant != 'INFINITY') {
-    Blockly.Dart.definitions_['import_dart_math'] =
-        'import \'dart:math\' as Math;';
-  }
-  return CONSTANTS[constant];
-};
-
-Blockly.Dart['math_number_property'] = function(block) {
-  // Check if a number is even, odd, prime, whole, positive, or negative
-  // or if it is divisible by certain number. Returns true or false.
-  var number_to_check = Blockly.Dart.valueToCode(block, 'NUMBER_TO_CHECK',
-      Blockly.Dart.ORDER_MULTIPLICATIVE);
-  if (!number_to_check) {
-    return ['false', Blockly.Dart.ORDER_ATOMIC];
-  }
-  var dropdown_property = block.getFieldValue('PROPERTY');
-  var code;
-  if (dropdown_property == 'PRIME') {
-    // Prime is a special case as it is not a one-liner test.
-    Blockly.Dart.definitions_['import_dart_math'] =
-        'import \'dart:math\' as Math;';
-    var functionName = Blockly.Dart.provideFunction_(
-        'math_isPrime',
-        ['bool ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ + '(n) {',
-         '  // https://en.wikipedia.org/wiki/Primality_test#Naive_methods',
-         '  if (n == 2 || n == 3) {',
-         '    return true;',
-         '  }',
-         '  // False if n is null, negative, is 1, or not whole.',
-         '  // And false if n is divisible by 2 or 3.',
-         '  if (n == null || n <= 1 || n % 1 != 0 || n % 2 == 0 ||' +
-            ' n % 3 == 0) {',
-         '    return false;',
-         '  }',
-         '  // Check all the numbers of form 6k +/- 1, up to sqrt(n).',
-         '  for (var x = 6; x <= Math.sqrt(n) + 1; x += 6) {',
-         '    if (n % (x - 1) == 0 || n % (x + 1) == 0) {',
-         '      return false;',
-         '    }',
-         '  }',
-         '  return true;',
-         '}']);
-    code = functionName + '(' + number_to_check + ')';
-    return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-  }
-  switch (dropdown_property) {
-    case 'EVEN':
-      code = number_to_check + ' % 2 == 0';
-      break;
-    case 'ODD':
-      code = number_to_check + ' % 2 == 1';
-      break;
-    case 'WHOLE':
-      code = number_to_check + ' % 1 == 0';
-      break;
-    case 'POSITIVE':
-      code = number_to_check + ' > 0';
-      break;
-    case 'NEGATIVE':
-      code = number_to_check + ' < 0';
-      break;
-    case 'DIVISIBLE_BY':
-      var divisor = Blockly.Dart.valueToCode(block, 'DIVISOR',
-          Blockly.Dart.ORDER_MULTIPLICATIVE);
-      if (!divisor) {
-        return ['false', Blockly.Dart.ORDER_ATOMIC];
-      }
-      code = number_to_check + ' % ' + divisor + ' == 0';
-      break;
-  }
-  return [code, Blockly.Dart.ORDER_EQUALITY];
-};
-
-Blockly.Dart['math_change'] = function(block) {
-  // Add to a variable in place.
-  var argument0 = Blockly.Dart.valueToCode(block, 'DELTA',
-      Blockly.Dart.ORDER_ADDITIVE) || '0';
-  var varName = Blockly.Dart.variableDB_.getName(block.getFieldValue('VAR'),
-      Blockly.VARIABLE_CATEGORY_NAME);
-  return varName + ' = (' + varName + ' is num ? ' + varName + ' : 0) + ' +
-      argument0 + ';\n';
-};
-
-// Rounding functions have a single operand.
-Blockly.Dart['math_round'] = Blockly.Dart['math_single'];
-// Trigonometry functions have a single operand.
-Blockly.Dart['math_trig'] = Blockly.Dart['math_single'];
-
-Blockly.Dart['math_on_list'] = function(block) {
-  // Math functions for lists.
-  var func = block.getFieldValue('OP');
-  var list = Blockly.Dart.valueToCode(block, 'LIST',
-      Blockly.Dart.ORDER_NONE) || '[]';
-  var code;
-  switch (func) {
-    case 'SUM':
-      var functionName = Blockly.Dart.provideFunction_(
-          'math_sum',
-          ['num ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-              '(List<num> myList) {',
-           '  num sumVal = 0;',
-           '  myList.forEach((num entry) {sumVal += entry;});',
-           '  return sumVal;',
-           '}']);
-      code = functionName + '(' + list + ')';
-      break;
-    case 'MIN':
-      Blockly.Dart.definitions_['import_dart_math'] =
-          'import \'dart:math\' as Math;';
-      var functionName = Blockly.Dart.provideFunction_(
-          'math_min',
-          ['num ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-              '(List<num> myList) {',
-           '  if (myList.isEmpty) return null;',
-           '  num minVal = myList[0];',
-           '  myList.forEach((num entry) ' +
-              '{minVal = Math.min(minVal, entry);});',
-           '  return minVal;',
-           '}']);
-      code = functionName + '(' + list + ')';
-      break;
-    case 'MAX':
-      Blockly.Dart.definitions_['import_dart_math'] =
-          'import \'dart:math\' as Math;';
-      var functionName = Blockly.Dart.provideFunction_(
-          'math_max',
-          ['num ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-              '(List<num> myList) {',
-           '  if (myList.isEmpty) return null;',
-           '  num maxVal = myList[0];',
-           '  myList.forEach((num entry) ' +
-              '{maxVal = Math.max(maxVal, entry);});',
-           '  return maxVal;',
-           '}']);
-      code = functionName + '(' + list + ')';
-      break;
-    case 'AVERAGE':
-      // This operation exclude null and values that are not int or float:
-      //   math_mean([null,null,"aString",1,9]) == 5.0.
-      var functionName = Blockly.Dart.provideFunction_(
-          'math_mean',
-          ['num ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-              '(List myList) {',
-           '  // First filter list for numbers only.',
-           '  List localList = new List.from(myList);',
-           '  localList.removeWhere((a) => a is! num);',
-           '  if (localList.isEmpty) return null;',
-           '  num sumVal = 0;',
-           '  localList.forEach((var entry) {sumVal += entry;});',
-           '  return sumVal / localList.length;',
-           '}']);
-      code = functionName + '(' + list + ')';
-      break;
-    case 'MEDIAN':
-      var functionName = Blockly.Dart.provideFunction_(
-          'math_median',
-          ['num ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-              '(List myList) {',
-           '  // First filter list for numbers only, then sort, ' +
-              'then return middle value',
-           '  // or the average of two middle values if list has an ' +
-              'even number of elements.',
-           '  List localList = new List.from(myList);',
-           '  localList.removeWhere((a) => a is! num);',
-           '  if (localList.isEmpty) return null;',
-           '  localList.sort((a, b) => (a - b));',
-           '  int index = localList.length ~/ 2;',
-           '  if (localList.length % 2 == 1) {',
-           '    return localList[index];',
-           '  } else {',
-           '    return (localList[index - 1] + localList[index]) / 2;',
-           '  }',
-           '}']);
-      code = functionName + '(' + list + ')';
-      break;
-    case 'MODE':
-      Blockly.Dart.definitions_['import_dart_math'] =
-          'import \'dart:math\' as Math;';
-      // As a list of numbers can contain more than one mode,
-      // the returned result is provided as an array.
-      // Mode of [3, 'x', 'x', 1, 1, 2, '3'] -> ['x', 1].
-      var functionName = Blockly.Dart.provideFunction_(
-          'math_modes',
-          ['List ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-              '(List values) {',
-           '  List modes = [];',
-           '  List counts = [];',
-           '  int maxCount = 0;',
-           '  for (int i = 0; i < values.length; i++) {',
-           '    var value = values[i];',
-           '    bool found = false;',
-           '    int thisCount;',
-           '    for (int j = 0; j < counts.length; j++) {',
-           '      if (counts[j][0] == value) {',
-           '        thisCount = ++counts[j][1];',
-           '        found = true;',
-           '        break;',
-           '      }',
-           '    }',
-           '    if (!found) {',
-           '      counts.add([value, 1]);',
-           '      thisCount = 1;',
-           '    }',
-           '    maxCount = Math.max(thisCount, maxCount);',
-           '  }',
-           '  for (int j = 0; j < counts.length; j++) {',
-           '    if (counts[j][1] == maxCount) {',
-           '        modes.add(counts[j][0]);',
-           '    }',
-           '  }',
-           '  return modes;',
-           '}']);
-      code = functionName + '(' + list + ')';
-      break;
-    case 'STD_DEV':
-      Blockly.Dart.definitions_['import_dart_math'] =
-          'import \'dart:math\' as Math;';
-      var functionName = Blockly.Dart.provideFunction_(
-          'math_standard_deviation',
-          ['num ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-              '(List myList) {',
-           '  // First filter list for numbers only.',
-           '  List numbers = new List.from(myList);',
-           '  numbers.removeWhere((a) => a is! num);',
-           '  if (numbers.isEmpty) return null;',
-           '  num n = numbers.length;',
-           '  num sum = 0;',
-           '  numbers.forEach((x) => sum += x);',
-           '  num mean = sum / n;',
-           '  num sumSquare = 0;',
-           '  numbers.forEach((x) => sumSquare += ' +
-              'Math.pow(x - mean, 2));',
-           '  return Math.sqrt(sumSquare / n);',
-           '}']);
-      code = functionName + '(' + list + ')';
-      break;
-    case 'RANDOM':
-      Blockly.Dart.definitions_['import_dart_math'] =
-          'import \'dart:math\' as Math;';
-      var functionName = Blockly.Dart.provideFunction_(
-          'math_random_item',
-          ['dynamic ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-              '(List myList) {',
-           '  int x = new Math.Random().nextInt(myList.length);',
-           '  return myList[x];',
-           '}']);
-      code = functionName + '(' + list + ')';
-      break;
-    default:
-      throw Error('Unknown operator: ' + func);
-  }
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['math_modulo'] = function(block) {
-  // Remainder computation.
-  var argument0 = Blockly.Dart.valueToCode(block, 'DIVIDEND',
-      Blockly.Dart.ORDER_MULTIPLICATIVE) || '0';
-  var argument1 = Blockly.Dart.valueToCode(block, 'DIVISOR',
-      Blockly.Dart.ORDER_MULTIPLICATIVE) || '0';
-  var code = argument0 + ' % ' + argument1;
-  return [code, Blockly.Dart.ORDER_MULTIPLICATIVE];
-};
-
-Blockly.Dart['math_constrain'] = function(block) {
-  // Constrain a number between two limits.
-  Blockly.Dart.definitions_['import_dart_math'] =
-      'import \'dart:math\' as Math;';
-  var argument0 = Blockly.Dart.valueToCode(block, 'VALUE',
-      Blockly.Dart.ORDER_NONE) || '0';
-  var argument1 = Blockly.Dart.valueToCode(block, 'LOW',
-      Blockly.Dart.ORDER_NONE) || '0';
-  var argument2 = Blockly.Dart.valueToCode(block, 'HIGH',
-      Blockly.Dart.ORDER_NONE) || 'double.infinity';
-  var code = 'Math.min(Math.max(' + argument0 + ', ' + argument1 + '), ' +
-      argument2 + ')';
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['math_random_int'] = function(block) {
-  // Random integer between [X] and [Y].
-  Blockly.Dart.definitions_['import_dart_math'] =
-      'import \'dart:math\' as Math;';
-  var argument0 = Blockly.Dart.valueToCode(block, 'FROM',
-      Blockly.Dart.ORDER_NONE) || '0';
-  var argument1 = Blockly.Dart.valueToCode(block, 'TO',
-      Blockly.Dart.ORDER_NONE) || '0';
-  var functionName = Blockly.Dart.provideFunction_(
-      'math_random_int',
-      ['int ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ + '(num a, num b) {',
-       '  if (a > b) {',
-       '    // Swap a and b to ensure a is smaller.',
-       '    num c = a;',
-       '    a = b;',
-       '    b = c;',
-       '  }',
-       '  return new Math.Random().nextInt(b - a + 1) + a;',
-       '}']);
-  var code = functionName + '(' + argument0 + ', ' + argument1 + ')';
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['math_random_float'] = function(block) {
-  // Random fraction between 0 and 1.
-  Blockly.Dart.definitions_['import_dart_math'] =
-      'import \'dart:math\' as Math;';
-  return ['new Math.Random().nextDouble()', Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['math_atan2'] = function(block) {
-  // Arctangent of point (X, Y) in degrees from -180 to 180.
-  Blockly.Dart.definitions_['import_dart_math'] =
-      'import \'dart:math\' as Math;';
-  var argument0 = Blockly.Dart.valueToCode(block, 'X',
-      Blockly.Dart.ORDER_NONE) || '0';
-  var argument1 = Blockly.Dart.valueToCode(block, 'Y',
-      Blockly.Dart.ORDER_NONE) || '0';
-  return ['Math.atan2(' + argument1 + ', ' + argument0 + ') / Math.pi * 180',
-      Blockly.Dart.ORDER_MULTIPLICATIVE];
-};
diff --git a/generators/dart/math.ts b/generators/dart/math.ts
new file mode 100644
index 00000000000..550821e9f13
--- /dev/null
+++ b/generators/dart/math.ts
@@ -0,0 +1,559 @@
+/**
+ * @license
+ * Copyright 2014 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Dart for math blocks.
+ */
+
+// Former goog.module ID: Blockly.Dart.math
+
+import type {Block} from '../../core/block.js';
+import type {DartGenerator} from './dart_generator.js';
+import {Order} from './dart_generator.js';
+
+// RESERVED WORDS: 'Math'
+
+export function math_number(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Numeric value.
+  const number = Number(block.getFieldValue('NUM'));
+  if (number === Infinity) {
+    return ['double.infinity', Order.UNARY_POSTFIX];
+  } else if (number === -Infinity) {
+    return ['-double.infinity', Order.UNARY_PREFIX];
+  } else {
+    // -4.abs() returns -4 in generator due to strange order of
+    // operation choices.  4 is actually an operator and a number.
+    // Reflect this in the order.
+    return [String(number), number < 0 ? Order.UNARY_PREFIX : Order.ATOMIC];
+  }
+}
+
+export function math_arithmetic(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Basic arithmetic operators, and power.
+  const OPERATORS: Record<string, [string | null, Order]> = {
+    'ADD': [' + ', Order.ADDITIVE],
+    'MINUS': [' - ', Order.ADDITIVE],
+    'MULTIPLY': [' * ', Order.MULTIPLICATIVE],
+    'DIVIDE': [' / ', Order.MULTIPLICATIVE],
+    'POWER': [null, Order.NONE], // Handle power separately.
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const tuple = OPERATORS[block.getFieldValue('OP') as OperatorOption];
+  const operator = tuple[0];
+  const order = tuple[1];
+  const argument0 = generator.valueToCode(block, 'A', order) || '0';
+  const argument1 = generator.valueToCode(block, 'B', order) || '0';
+  let code;
+  // Power in generator requires a special case since it has no operator.
+  if (!operator) {
+    // TODO(#7600): find better approach than casting to any to override
+    // CodeGenerator declaring .definitions protected.
+    (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+      "import 'dart:math' as Math;";
+    code = 'Math.pow(' + argument0 + ', ' + argument1 + ')';
+    return [code, Order.UNARY_POSTFIX];
+  }
+  code = argument0 + operator + argument1;
+  return [code, order];
+}
+
+export function math_single(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Math operators with single operand.
+  const operator = block.getFieldValue('OP');
+  let code;
+  let arg;
+  if (operator === 'NEG') {
+    // Negation is a special case given its different operator precedence.
+    arg = generator.valueToCode(block, 'NUM', Order.UNARY_PREFIX) || '0';
+    if (arg[0] === '-') {
+      // --3 is not legal in generator.
+      arg = ' ' + arg;
+    }
+    code = '-' + arg;
+    return [code, Order.UNARY_PREFIX];
+  }
+  // TODO(#7600): find better approach than casting to any to override
+  // CodeGenerator declaring .definitions protected.
+  (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+    "import 'dart:math' as Math;";
+  if (operator === 'ABS' || operator.substring(0, 5) === 'ROUND') {
+    arg = generator.valueToCode(block, 'NUM', Order.UNARY_POSTFIX) || '0';
+  } else if (operator === 'SIN' || operator === 'COS' || operator === 'TAN') {
+    arg = generator.valueToCode(block, 'NUM', Order.MULTIPLICATIVE) || '0';
+  } else {
+    arg = generator.valueToCode(block, 'NUM', Order.NONE) || '0';
+  }
+  // First, handle cases which generate values that don't need parentheses
+  // wrapping the code.
+  switch (operator) {
+    case 'ABS':
+      code = arg + '.abs()';
+      break;
+    case 'ROOT':
+      code = 'Math.sqrt(' + arg + ')';
+      break;
+    case 'LN':
+      code = 'Math.log(' + arg + ')';
+      break;
+    case 'EXP':
+      code = 'Math.exp(' + arg + ')';
+      break;
+    case 'POW10':
+      code = 'Math.pow(10,' + arg + ')';
+      break;
+    case 'ROUND':
+      code = arg + '.round()';
+      break;
+    case 'ROUNDUP':
+      code = arg + '.ceil()';
+      break;
+    case 'ROUNDDOWN':
+      code = arg + '.floor()';
+      break;
+    case 'SIN':
+      code = 'Math.sin(' + arg + ' / 180 * Math.pi)';
+      break;
+    case 'COS':
+      code = 'Math.cos(' + arg + ' / 180 * Math.pi)';
+      break;
+    case 'TAN':
+      code = 'Math.tan(' + arg + ' / 180 * Math.pi)';
+      break;
+  }
+  if (code) {
+    return [code, Order.UNARY_POSTFIX];
+  }
+  // Second, handle cases which generate values that may need parentheses
+  // wrapping the code.
+  switch (operator) {
+    case 'LOG10':
+      code = 'Math.log(' + arg + ') / Math.log(10)';
+      break;
+    case 'ASIN':
+      code = 'Math.asin(' + arg + ') / Math.pi * 180';
+      break;
+    case 'ACOS':
+      code = 'Math.acos(' + arg + ') / Math.pi * 180';
+      break;
+    case 'ATAN':
+      code = 'Math.atan(' + arg + ') / Math.pi * 180';
+      break;
+    default:
+      throw Error('Unknown math operator: ' + operator);
+  }
+  return [code, Order.MULTIPLICATIVE];
+}
+
+export function math_constant(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
+  const CONSTANTS: Record<string, [string, Order]> = {
+    'PI': ['Math.pi', Order.UNARY_POSTFIX],
+    'E': ['Math.e', Order.UNARY_POSTFIX],
+    'GOLDEN_RATIO': ['(1 + Math.sqrt(5)) / 2', Order.MULTIPLICATIVE],
+    'SQRT2': ['Math.sqrt2', Order.UNARY_POSTFIX],
+    'SQRT1_2': ['Math.sqrt1_2', Order.UNARY_POSTFIX],
+    'INFINITY': ['double.infinity', Order.ATOMIC],
+  };
+  type ConstantOption = keyof typeof CONSTANTS;
+  const constant = block.getFieldValue('CONSTANT') as ConstantOption;
+  if (constant !== 'INFINITY') {
+    // TODO(#7600): find better approach than casting to any to override
+    // CodeGenerator declaring .definitions protected.
+    (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+      "import 'dart:math' as Math;";
+  }
+  return CONSTANTS[constant];
+}
+
+export function math_number_property(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Check if a number is even, odd, prime, whole, positive, or negative
+  // or if it is divisible by certain number. Returns true or false.
+  const PROPERTIES: Record<string, [string | null, Order, Order]> = {
+    'EVEN': [' % 2 == 0', Order.MULTIPLICATIVE, Order.EQUALITY],
+    'ODD': [' % 2 == 1', Order.MULTIPLICATIVE, Order.EQUALITY],
+    'WHOLE': [' % 1 == 0', Order.MULTIPLICATIVE, Order.EQUALITY],
+    'POSITIVE': [' > 0', Order.RELATIONAL, Order.RELATIONAL],
+    'NEGATIVE': [' < 0', Order.RELATIONAL, Order.RELATIONAL],
+    'DIVISIBLE_BY': [null, Order.MULTIPLICATIVE, Order.EQUALITY],
+    'PRIME': [null, Order.NONE, Order.UNARY_POSTFIX],
+  };
+  type PropertyOption = keyof typeof PROPERTIES;
+  const dropdownProperty = block.getFieldValue('PROPERTY') as PropertyOption;
+  const [suffix, inputOrder, outputOrder] = PROPERTIES[dropdownProperty];
+  const numberToCheck =
+    generator.valueToCode(block, 'NUMBER_TO_CHECK', inputOrder) || '0';
+  let code;
+  if (dropdownProperty === 'PRIME') {
+    // Prime is a special case as it is not a one-liner test.
+    // TODO(#7600): find better approach than casting to any to override
+    // CodeGenerator declaring .definitions protected.
+    (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+      "import 'dart:math' as Math;";
+    const functionName = generator.provideFunction_(
+      'math_isPrime',
+      `
+bool ${generator.FUNCTION_NAME_PLACEHOLDER_}(n) {
+  // https://en.wikipedia.org/wiki/Primality_test#Naive_methods
+  if (n == 2 || n == 3) {
+    return true;
+  }
+  // False if n is null, negative, is 1, or not whole.
+  // And false if n is divisible by 2 or 3.
+  if (n == null || n <= 1 || n % 1 != 0 || n % 2 == 0 || n % 3 == 0) {
+    return false;
+  }
+  // Check all the numbers of form 6k +/- 1, up to sqrt(n).
+  for (var x = 6; x <= Math.sqrt(n) + 1; x += 6) {
+    if (n % (x - 1) == 0 || n % (x + 1) == 0) {
+      return false;
+    }
+  }
+  return true;
+}
+`,
+    );
+    code = functionName + '(' + numberToCheck + ')';
+  } else if (dropdownProperty === 'DIVISIBLE_BY') {
+    const divisor =
+      generator.valueToCode(block, 'DIVISOR', Order.MULTIPLICATIVE) || '0';
+    if (divisor === '0') {
+      return ['false', Order.ATOMIC];
+    }
+    code = numberToCheck + ' % ' + divisor + ' == 0';
+  } else {
+    code = numberToCheck + suffix;
+  }
+  return [code, outputOrder];
+}
+
+export function math_change(block: Block, generator: DartGenerator) {
+  // Add to a variable in place.
+  const argument0 =
+    generator.valueToCode(block, 'DELTA', Order.ADDITIVE) || '0';
+  const varName = generator.getVariableName(block.getFieldValue('VAR'));
+  return (
+    varName +
+    ' = (' +
+    varName +
+    ' is num ? ' +
+    varName +
+    ' : 0) + ' +
+    argument0 +
+    ';\n'
+  );
+}
+
+// Rounding functions have a single operand.
+export const math_round = math_single;
+// Trigonometry functions have a single operand.
+export const math_trig = math_single;
+
+export function math_on_list(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Math functions for lists.
+  const func = block.getFieldValue('OP');
+  const list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+  let code;
+  switch (func) {
+    case 'SUM': {
+      const functionName = generator.provideFunction_(
+        'math_sum',
+        `
+num ${generator.FUNCTION_NAME_PLACEHOLDER_}(List<num> myList) {
+  num sumVal = 0;
+  myList.forEach((num entry) {sumVal += entry;});
+  return sumVal;
+}
+`,
+      );
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'MIN': {
+      // TODO(#7600): find better approach than casting to any to override
+      // CodeGenerator declaring .definitions protected.
+      (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+        "import 'dart:math' as Math;";
+      const functionName = generator.provideFunction_(
+        'math_min',
+        `
+num ${generator.FUNCTION_NAME_PLACEHOLDER_}(List<num> myList) {
+  if (myList.isEmpty) return null;
+  num minVal = myList[0];
+  myList.forEach((num entry) {minVal = Math.min(minVal, entry);});
+  return minVal;
+}
+`,
+      );
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'MAX': {
+      // TODO(#7600): find better approach than casting to any to override
+      // CodeGenerator declaring .definitions protected.
+      (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+        "import 'dart:math' as Math;";
+      const functionName = generator.provideFunction_(
+        'math_max',
+        `
+num ${generator.FUNCTION_NAME_PLACEHOLDER_}(List<num> myList) {
+  if (myList.isEmpty) return null;
+  num maxVal = myList[0];
+  myList.forEach((num entry) {maxVal = Math.max(maxVal, entry);});
+  return maxVal;
+}
+`,
+      );
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'AVERAGE': {
+      // This operation exclude null and values that are not int or float:
+      //   math_mean([null,null,"aString",1,9]) -> 5.0
+      const functionName = generator.provideFunction_(
+        'math_mean',
+        `
+num ${generator.FUNCTION_NAME_PLACEHOLDER_}(List myList) {
+  // First filter list for numbers only.
+  List localList = new List.from(myList);
+  localList.removeWhere((a) => a is! num);
+  if (localList.isEmpty) return null;
+  num sumVal = 0;
+  localList.forEach((var entry) {sumVal += entry;});
+  return sumVal / localList.length;
+}
+`,
+      );
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'MEDIAN': {
+      const functionName = generator.provideFunction_(
+        'math_median',
+        `
+num ${generator.FUNCTION_NAME_PLACEHOLDER_}(List myList) {
+  // First filter list for numbers only, then sort, then return middle value
+  // or the average of two middle values if list has an even number of elements.
+  List localList = new List.from(myList);
+  localList.removeWhere((a) => a is! num);
+  if (localList.isEmpty) return null;
+  localList.sort((a, b) => (a - b));
+  int index = localList.length ~/ 2;
+  if (localList.length % 2 == 1) {
+    return localList[index];
+  } else {
+    return (localList[index - 1] + localList[index]) / 2;
+  }
+}
+`,
+      );
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'MODE': {
+      // TODO(#7600): find better approach than casting to any to override
+      // CodeGenerator declaring .definitions protected.
+      (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+        "import 'dart:math' as Math;";
+      // As a list of numbers can contain more than one mode,
+      // the returned result is provided as an array.
+      // Mode of [3, 'x', 'x', 1, 1, 2, '3'] -> ['x', 1]
+      const functionName = generator.provideFunction_(
+        'math_modes',
+        `
+List ${generator.FUNCTION_NAME_PLACEHOLDER_}(List values) {
+  List modes = [];
+  List counts = [];
+  int maxCount = 0;
+  for (int i = 0; i < values.length; i++) {
+    var value = values[i];
+    bool found = false;
+    int thisCount;
+    for (int j = 0; j < counts.length; j++) {
+      if (counts[j][0] == value) {
+        thisCount = ++counts[j][1];
+        found = true;
+        break;
+      }
+    }
+    if (!found) {
+      counts.add([value, 1]);
+      thisCount = 1;
+    }
+    maxCount = Math.max(thisCount, maxCount);
+  }
+  for (int j = 0; j < counts.length; j++) {
+    if (counts[j][1] == maxCount) {
+        modes.add(counts[j][0]);
+    }
+  }
+  return modes;
+}
+`,
+      );
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'STD_DEV': {
+      // TODO(#7600): find better approach than casting to any to override
+      // CodeGenerator declaring .definitions protected.
+      (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+        "import 'dart:math' as Math;";
+      const functionName = generator.provideFunction_(
+        'math_standard_deviation',
+        `
+num ${generator.FUNCTION_NAME_PLACEHOLDER_}(List myList) {
+  // First filter list for numbers only.
+  List numbers = new List.from(myList);
+  numbers.removeWhere((a) => a is! num);
+  if (numbers.isEmpty) return null;
+  num n = numbers.length;
+  num sum = 0;
+  numbers.forEach((x) => sum += x);
+  num mean = sum / n;
+  num sumSquare = 0;
+  numbers.forEach((x) => sumSquare += Math.pow(x - mean, 2));
+  return Math.sqrt(sumSquare / n);
+}
+`,
+      );
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'RANDOM': {
+      // TODO(#7600): find better approach than casting to any to override
+      // CodeGenerator declaring .definitions protected.
+      (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+        "import 'dart:math' as Math;";
+      const functionName = generator.provideFunction_(
+        'math_random_item',
+        `
+dynamic ${generator.FUNCTION_NAME_PLACEHOLDER_}(List myList) {
+  int x = new Math.Random().nextInt(myList.length);
+  return myList[x];
+}
+`,
+      );
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    default:
+      throw Error('Unknown operator: ' + func);
+  }
+  return [code, Order.UNARY_POSTFIX];
+}
+
+export function math_modulo(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Remainder computation.
+  const argument0 =
+    generator.valueToCode(block, 'DIVIDEND', Order.MULTIPLICATIVE) || '0';
+  const argument1 =
+    generator.valueToCode(block, 'DIVISOR', Order.MULTIPLICATIVE) || '0';
+  const code = argument0 + ' % ' + argument1;
+  return [code, Order.MULTIPLICATIVE];
+}
+
+export function math_constrain(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Constrain a number between two limits.
+  // TODO(#7600): find better approach than casting to any to override
+  // CodeGenerator declaring .definitions protected.
+  (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+    "import 'dart:math' as Math;";
+  const argument0 = generator.valueToCode(block, 'VALUE', Order.NONE) || '0';
+  const argument1 = generator.valueToCode(block, 'LOW', Order.NONE) || '0';
+  const argument2 =
+    generator.valueToCode(block, 'HIGH', Order.NONE) || 'double.infinity';
+  const code =
+    'Math.min(Math.max(' +
+    argument0 +
+    ', ' +
+    argument1 +
+    '), ' +
+    argument2 +
+    ')';
+  return [code, Order.UNARY_POSTFIX];
+}
+
+export function math_random_int(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Random integer between [X] and [Y].
+  // TODO(#7600): find better approach than casting to any to override
+  // CodeGenerator declaring .definitions protected.
+  (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+    "import 'dart:math' as Math;";
+  const argument0 = generator.valueToCode(block, 'FROM', Order.NONE) || '0';
+  const argument1 = generator.valueToCode(block, 'TO', Order.NONE) || '0';
+  const functionName = generator.provideFunction_(
+    'math_random_int',
+    `
+int ${generator.FUNCTION_NAME_PLACEHOLDER_}(num a, num b) {
+  if (a > b) {
+    // Swap a and b to ensure a is smaller.
+    num c = a;
+    a = b;
+    b = c;
+  }
+  return new Math.Random().nextInt(b - a + 1) + a;
+}
+`,
+  );
+  const code = functionName + '(' + argument0 + ', ' + argument1 + ')';
+  return [code, Order.UNARY_POSTFIX];
+}
+
+export function math_random_float(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Random fraction between 0 and 1.
+  // TODO(#7600): find better approach than casting to any to override
+  // CodeGenerator declaring .definitions protected.
+  (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+    "import 'dart:math' as Math;";
+  return ['new Math.Random().nextDouble()', Order.UNARY_POSTFIX];
+}
+
+export function math_atan2(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Arctangent of point (X, Y) in degrees from -180 to 180.
+  // TODO(#7600): find better approach than casting to any to override
+  // CodeGenerator declaring .definitions protected.
+  (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+    "import 'dart:math' as Math;";
+  const argument0 = generator.valueToCode(block, 'X', Order.NONE) || '0';
+  const argument1 = generator.valueToCode(block, 'Y', Order.NONE) || '0';
+  return [
+    'Math.atan2(' + argument1 + ', ' + argument0 + ') / Math.pi * 180',
+    Order.MULTIPLICATIVE,
+  ];
+}
diff --git a/generators/dart/procedures.js b/generators/dart/procedures.js
deleted file mode 100644
index 123685fb78a..00000000000
--- a/generators/dart/procedures.js
+++ /dev/null
@@ -1,111 +0,0 @@
-/**
- * @license
- * Copyright 2014 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Dart for procedure blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Dart.procedures');
-
-goog.require('Blockly.Dart');
-
-
-Blockly.Dart['procedures_defreturn'] = function(block) {
-  // Define a procedure with a return value.
-  var funcName = Blockly.Dart.variableDB_.getName(block.getFieldValue('NAME'),
-      Blockly.PROCEDURE_CATEGORY_NAME);
-  var xfix1 = '';
-  if (Blockly.Dart.STATEMENT_PREFIX) {
-    xfix1 += Blockly.Dart.injectId(Blockly.Dart.STATEMENT_PREFIX, block);
-  }
-  if (Blockly.Dart.STATEMENT_SUFFIX) {
-    xfix1 += Blockly.Dart.injectId(Blockly.Dart.STATEMENT_SUFFIX, block);
-  }
-  if (xfix1) {
-    xfix1 = Blockly.Dart.prefixLines(xfix1, Blockly.Dart.INDENT);
-  }
-  var loopTrap = '';
-  if (Blockly.Dart.INFINITE_LOOP_TRAP) {
-    loopTrap = Blockly.Dart.prefixLines(
-        Blockly.Dart.injectId(Blockly.Dart.INFINITE_LOOP_TRAP, block),
-        Blockly.Dart.INDENT);
-  }
-  var branch = Blockly.Dart.statementToCode(block, 'STACK');
-  var returnValue = Blockly.Dart.valueToCode(block, 'RETURN',
-      Blockly.Dart.ORDER_NONE) || '';
-  var xfix2 = '';
-  if (branch && returnValue) {
-    // After executing the function body, revisit this block for the return.
-    xfix2 = xfix1;
-  }
-  if (returnValue) {
-    returnValue = Blockly.Dart.INDENT + 'return ' + returnValue + ';\n';
-  }
-  var returnType = returnValue ? 'dynamic' : 'void';
-  var args = [];
-  var variables = block.getVars();
-  for (var i = 0; i < variables.length; i++) {
-    args[i] = Blockly.Dart.variableDB_.getName(variables[i],
-        Blockly.VARIABLE_CATEGORY_NAME);
-  }
-  var code = returnType + ' ' + funcName + '(' + args.join(', ') + ') {\n' +
-      xfix1 + loopTrap + branch + xfix2 + returnValue + '}';
-  code = Blockly.Dart.scrub_(block, code);
-  // Add % so as not to collide with helper functions in definitions list.
-  Blockly.Dart.definitions_['%' + funcName] = code;
-  return null;
-};
-
-// Defining a procedure without a return value uses the same generator as
-// a procedure with a return value.
-Blockly.Dart['procedures_defnoreturn'] = Blockly.Dart['procedures_defreturn'];
-
-Blockly.Dart['procedures_callreturn'] = function(block) {
-  // Call a procedure with a return value.
-  var funcName = Blockly.Dart.variableDB_.getName(block.getFieldValue('NAME'),
-      Blockly.PROCEDURE_CATEGORY_NAME);
-  var args = [];
-  var variables = block.getVars();
-  for (var i = 0; i < variables.length; i++) {
-    args[i] = Blockly.Dart.valueToCode(block, 'ARG' + i,
-        Blockly.Dart.ORDER_NONE) || 'null';
-  }
-  var code = funcName + '(' + args.join(', ') + ')';
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['procedures_callnoreturn'] = function(block) {
-  // Call a procedure with no return value.
-  // Generated code is for a function call as a statement is the same as a
-  // function call as a value, with the addition of line ending.
-  var tuple = Blockly.Dart['procedures_callreturn'](block);
-  return tuple[0] + ';\n';
-};
-
-Blockly.Dart['procedures_ifreturn'] = function(block) {
-  // Conditionally return value from a procedure.
-  var condition = Blockly.Dart.valueToCode(block, 'CONDITION',
-      Blockly.Dart.ORDER_NONE) || 'false';
-  var code = 'if (' + condition + ') {\n';
-  if (Blockly.Dart.STATEMENT_SUFFIX) {
-    // Inject any statement suffix here since the regular one at the end
-    // will not get executed if the return is triggered.
-    code += Blockly.Dart.prefixLines(
-        Blockly.Dart.injectId(Blockly.Dart.STATEMENT_SUFFIX, block),
-        Blockly.Dart.INDENT);
-  }
-  if (block.hasReturnValue_) {
-    var value = Blockly.Dart.valueToCode(block, 'VALUE',
-        Blockly.Dart.ORDER_NONE) || 'null';
-    code += Blockly.Dart.INDENT + 'return ' + value + ';\n';
-  } else {
-    code += Blockly.Dart.INDENT + 'return;\n';
-  }
-  code += '}\n';
-  return code;
-};
diff --git a/generators/dart/procedures.ts b/generators/dart/procedures.ts
new file mode 100644
index 00000000000..0ecf6d21008
--- /dev/null
+++ b/generators/dart/procedures.ts
@@ -0,0 +1,138 @@
+/**
+ * @license
+ * Copyright 2014 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Dart for procedure blocks.
+ */
+
+// Former goog.module ID: Blockly.Dart.procedures
+
+import type {Block} from '../../core/block.js';
+import type {IfReturnBlock} from '../../blocks/procedures.js';
+import type {DartGenerator} from './dart_generator.js';
+import {Order} from './dart_generator.js';
+
+export function procedures_defreturn(block: Block, generator: DartGenerator) {
+  // Define a procedure with a return value.
+  const funcName = generator.getProcedureName(block.getFieldValue('NAME'));
+  let xfix1 = '';
+  if (generator.STATEMENT_PREFIX) {
+    xfix1 += generator.injectId(generator.STATEMENT_PREFIX, block);
+  }
+  if (generator.STATEMENT_SUFFIX) {
+    xfix1 += generator.injectId(generator.STATEMENT_SUFFIX, block);
+  }
+  if (xfix1) {
+    xfix1 = generator.prefixLines(xfix1, generator.INDENT);
+  }
+  let loopTrap = '';
+  if (generator.INFINITE_LOOP_TRAP) {
+    loopTrap = generator.prefixLines(
+      generator.injectId(generator.INFINITE_LOOP_TRAP, block),
+      generator.INDENT,
+    );
+  }
+  let branch = '';
+  if (block.getInput('STACK')) {
+    // The 'procedures_defreturn' block might not have a STACK input.
+    branch = generator.statementToCode(block, 'STACK');
+  }
+  let returnValue = '';
+  if (block.getInput('RETURN')) {
+    // The 'procedures_defnoreturn' block (which shares this code)
+    // does not have a RETURN input.
+    returnValue = generator.valueToCode(block, 'RETURN', Order.NONE) || '';
+  }
+  let xfix2 = '';
+  if (branch && returnValue) {
+    // After executing the function body, revisit this block for the return.
+    xfix2 = xfix1;
+  }
+  if (returnValue) {
+    returnValue = generator.INDENT + 'return ' + returnValue + ';\n';
+  }
+  const returnType = returnValue ? 'dynamic' : 'void';
+  const args = [];
+  const variables = block.getVars();
+  for (let i = 0; i < variables.length; i++) {
+    args[i] = generator.getVariableName(variables[i]);
+  }
+  let code =
+    returnType +
+    ' ' +
+    funcName +
+    '(' +
+    args.join(', ') +
+    ') {\n' +
+    xfix1 +
+    loopTrap +
+    branch +
+    xfix2 +
+    returnValue +
+    '}';
+  code = generator.scrub_(block, code);
+  // Add % so as not to collide with helper functions in definitions list.
+  // TODO(#7600): find better approach than casting to any to override
+  // CodeGenerator declaring .definitions protected.
+  (generator as AnyDuringMigration).definitions_['%' + funcName] = code;
+  return null;
+}
+
+// Defining a procedure without a return value uses the same generator as
+// a procedure with a return value.
+export const procedures_defnoreturn = procedures_defreturn;
+
+export function procedures_callreturn(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Call a procedure with a return value.
+  const funcName = generator.getProcedureName(block.getFieldValue('NAME'));
+  const args = [];
+  const variables = block.getVars();
+  for (let i = 0; i < variables.length; i++) {
+    args[i] = generator.valueToCode(block, 'ARG' + i, Order.NONE) || 'null';
+  }
+  let code = funcName + '(' + args.join(', ') + ')';
+  return [code, Order.UNARY_POSTFIX];
+}
+
+export function procedures_callnoreturn(
+  block: Block,
+  generator: DartGenerator,
+) {
+  // Call a procedure with no return value.
+  // Generated code is for a function call as a statement is the same as a
+  // function call as a value, with the addition of line ending.
+  const tuple = generator.forBlock['procedures_callreturn'](
+    block,
+    generator,
+  ) as [string, Order];
+  return tuple[0] + ';\n';
+}
+
+export function procedures_ifreturn(block: Block, generator: DartGenerator) {
+  // Conditionally return value from a procedure.
+  const condition =
+    generator.valueToCode(block, 'CONDITION', Order.NONE) || 'false';
+  let code = 'if (' + condition + ') {\n';
+  if (generator.STATEMENT_SUFFIX) {
+    // Inject any statement suffix here since the regular one at the end
+    // will not get executed if the return is triggered.
+    code += generator.prefixLines(
+      generator.injectId(generator.STATEMENT_SUFFIX, block),
+      generator.INDENT,
+    );
+  }
+  if ((block as IfReturnBlock).hasReturnValue_) {
+    const value = generator.valueToCode(block, 'VALUE', Order.NONE) || 'null';
+    code += generator.INDENT + 'return ' + value + ';\n';
+  } else {
+    code += generator.INDENT + 'return;\n';
+  }
+  code += '}\n';
+  return code;
+}
diff --git a/generators/dart/text.js b/generators/dart/text.js
deleted file mode 100644
index acd15d8e628..00000000000
--- a/generators/dart/text.js
+++ /dev/null
@@ -1,339 +0,0 @@
-/**
- * @license
- * Copyright 2014 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Dart for text blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Dart.texts');
-
-goog.require('Blockly.Dart');
-
-
-Blockly.Dart.addReservedWords('Html,Math');
-
-Blockly.Dart['text'] = function(block) {
-  // Text value.
-  var code = Blockly.Dart.quote_(block.getFieldValue('TEXT'));
-  return [code, Blockly.Dart.ORDER_ATOMIC];
-};
-
-Blockly.Dart['text_multiline'] = function(block) {
-  // Text value.
-  var code = Blockly.Dart.multiline_quote_(block.getFieldValue('TEXT'));
-  return [code, Blockly.Dart.ORDER_ATOMIC];
-};
-
-Blockly.Dart['text_join'] = function(block) {
-  // Create a string made up of any number of elements of any type.
-  switch (block.itemCount_) {
-    case 0:
-      return ['\'\'', Blockly.Dart.ORDER_ATOMIC];
-    case 1:
-      var element = Blockly.Dart.valueToCode(block, 'ADD0',
-              Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
-      var code = element + '.toString()';
-      return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-    default:
-      var elements = new Array(block.itemCount_);
-      for (var i = 0; i < block.itemCount_; i++) {
-        elements[i] = Blockly.Dart.valueToCode(block, 'ADD' + i,
-                Blockly.Dart.ORDER_NONE) || '\'\'';
-      }
-      var code = '[' + elements.join(',') + '].join()';
-      return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-  }
-};
-
-Blockly.Dart['text_append'] = function(block) {
-  // Append to a variable in place.
-  var varName = Blockly.Dart.variableDB_.getName(block.getFieldValue('VAR'),
-      Blockly.VARIABLE_CATEGORY_NAME);
-  var value = Blockly.Dart.valueToCode(block, 'TEXT',
-      Blockly.Dart.ORDER_NONE) || '\'\'';
-  return varName + ' = [' + varName + ', ' + value + '].join();\n';
-};
-
-Blockly.Dart['text_length'] = function(block) {
-  // String or array length.
-  var text = Blockly.Dart.valueToCode(block, 'VALUE',
-      Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
-  return [text + '.length', Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['text_isEmpty'] = function(block) {
-  // Is the string null or array empty?
-  var text = Blockly.Dart.valueToCode(block, 'VALUE',
-      Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
-  return [text + '.isEmpty', Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['text_indexOf'] = function(block) {
-  // Search the text for a substring.
-  var operator = block.getFieldValue('END') == 'FIRST' ?
-      'indexOf' : 'lastIndexOf';
-  var substring = Blockly.Dart.valueToCode(block, 'FIND',
-      Blockly.Dart.ORDER_NONE) || '\'\'';
-  var text = Blockly.Dart.valueToCode(block, 'VALUE',
-      Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
-  var code = text + '.' + operator + '(' + substring + ')';
-  if (block.workspace.options.oneBasedIndex) {
-    return [code + ' + 1', Blockly.Dart.ORDER_ADDITIVE];
-  }
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['text_charAt'] = function(block) {
-  // Get letter at index.
-  // Note: Until January 2013 this block did not have the WHERE input.
-  var where = block.getFieldValue('WHERE') || 'FROM_START';
-  var text = Blockly.Dart.valueToCode(block, 'VALUE',
-      Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
-  switch (where) {
-    case 'FIRST':
-      var code = text + '[0]';
-      return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-    case 'FROM_START':
-      var at = Blockly.Dart.getAdjusted(block, 'AT');
-      var code = text + '[' + at + ']';
-      return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-    case 'LAST':
-      at = 1;
-      // Fall through.
-    case 'FROM_END':
-      var at = Blockly.Dart.getAdjusted(block, 'AT', 1);
-      var functionName = Blockly.Dart.provideFunction_(
-          'text_get_from_end',
-          ['String ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-              '(String text, num x) {',
-           '  return text[text.length - x];',
-           '}']);
-      code = functionName + '(' + text + ', ' + at + ')';
-      return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-    case 'RANDOM':
-      Blockly.Dart.definitions_['import_dart_math'] =
-          'import \'dart:math\' as Math;';
-      var functionName = Blockly.Dart.provideFunction_(
-          'text_random_letter',
-          ['String ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-              '(String text) {',
-           '  int x = new Math.Random().nextInt(text.length);',
-           '  return text[x];',
-           '}']);
-      code = functionName + '(' + text + ')';
-      return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-  }
-  throw Error('Unhandled option (text_charAt).');
-};
-
-Blockly.Dart['text_getSubstring'] = function(block) {
-  // Get substring.
-  var text = Blockly.Dart.valueToCode(block, 'STRING',
-      Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
-  var where1 = block.getFieldValue('WHERE1');
-  var where2 = block.getFieldValue('WHERE2');
-  if (where1 == 'FIRST' && where2 == 'LAST') {
-    var code = text;
-  } else if (text.match(/^'?\w+'?$/) ||
-      (where1 != 'FROM_END' && where2 == 'FROM_START')) {
-    // If the text is a variable or literal or doesn't require a call for
-    // length, don't generate a helper function.
-    switch (where1) {
-      case 'FROM_START':
-        var at1 = Blockly.Dart.getAdjusted(block, 'AT1');
-        break;
-      case 'FROM_END':
-        var at1 = Blockly.Dart.getAdjusted(block, 'AT1', 1, false,
-            Blockly.Dart.ORDER_ADDITIVE);
-        at1 = text + '.length - ' + at1;
-        break;
-      case 'FIRST':
-        var at1 = '0';
-        break;
-      default:
-        throw Error('Unhandled option (text_getSubstring).');
-    }
-    switch (where2) {
-      case 'FROM_START':
-        var at2 = Blockly.Dart.getAdjusted(block, 'AT2', 1);
-        break;
-      case 'FROM_END':
-        var at2 = Blockly.Dart.getAdjusted(block, 'AT2', 0, false,
-            Blockly.Dart.ORDER_ADDITIVE);
-        at2 = text + '.length - ' + at2;
-        break;
-      case 'LAST':
-        break;
-      default:
-        throw Error('Unhandled option (text_getSubstring).');
-    }
-    if (where2 == 'LAST') {
-      var code = text + '.substring(' + at1 + ')';
-    } else {
-      var code = text + '.substring(' + at1 + ', ' + at2 + ')';
-    }
-  } else {
-    var at1 = Blockly.Dart.getAdjusted(block, 'AT1');
-    var at2 = Blockly.Dart.getAdjusted(block, 'AT2');
-    var functionName = Blockly.Dart.provideFunction_(
-        'text_get_substring',
-        ['String ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-            '(String text, String where1, num at1, String where2, num at2) {',
-         '  int getAt(String where, num at) {',
-         '    if (where == \'FROM_END\') {',
-         '      at = text.length - 1 - at;',
-         '    } else if (where == \'FIRST\') {',
-         '      at = 0;',
-         '    } else if (where == \'LAST\') {',
-         '      at = text.length - 1;',
-         '    } else if (where != \'FROM_START\') {',
-         '      throw \'Unhandled option (text_getSubstring).\';',
-         '    }',
-         '    return at;',
-         '  }',
-         '  at1 = getAt(where1, at1);',
-         '  at2 = getAt(where2, at2) + 1;',
-         '  return text.substring(at1, at2);',
-         '}']);
-    var code = functionName + '(' + text + ', \'' +
-        where1 + '\', ' + at1 + ', \'' + where2 + '\', ' + at2 + ')';
-  }
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['text_changeCase'] = function(block) {
-  // Change capitalization.
-  var OPERATORS = {
-    'UPPERCASE': '.toUpperCase()',
-    'LOWERCASE': '.toLowerCase()',
-    'TITLECASE': null
-  };
-  var operator = OPERATORS[block.getFieldValue('CASE')];
-  var textOrder = operator ? Blockly.Dart.ORDER_UNARY_POSTFIX :
-      Blockly.Dart.ORDER_NONE;
-  var text = Blockly.Dart.valueToCode(block, 'TEXT', textOrder) || '\'\'';
-  if (operator) {
-    // Upper and lower case are functions built into Dart.
-    var code = text + operator;
-  } else {
-    // Title case is not a native Dart function.  Define one.
-    var functionName = Blockly.Dart.provideFunction_(
-        'text_toTitleCase',
-        ['String ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-            '(String str) {',
-         '  RegExp exp = new RegExp(r\'\\b\');',
-         '  List<String> list = str.split(exp);',
-         '  final title = new StringBuffer();',
-         '  for (String part in list) {',
-         '    if (part.length > 0) {',
-         '      title.write(part[0].toUpperCase());',
-         '      if (part.length > 0) {',
-         '        title.write(part.substring(1).toLowerCase());',
-         '      }',
-         '    }',
-         '  }',
-         '  return title.toString();',
-         '}']);
-    var code = functionName + '(' + text + ')';
-  }
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['text_trim'] = function(block) {
-  // Trim spaces.
-  var OPERATORS = {
-    'LEFT': '.replaceFirst(new RegExp(r\'^\\s+\'), \'\')',
-    'RIGHT': '.replaceFirst(new RegExp(r\'\\s+$\'), \'\')',
-    'BOTH': '.trim()'
-  };
-  var operator = OPERATORS[block.getFieldValue('MODE')];
-  var text = Blockly.Dart.valueToCode(block, 'TEXT',
-      Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
-  return [text + operator, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['text_print'] = function(block) {
-  // Print statement.
-  var msg = Blockly.Dart.valueToCode(block, 'TEXT',
-      Blockly.Dart.ORDER_NONE) || '\'\'';
-  return 'print(' + msg + ');\n';
-};
-
-Blockly.Dart['text_prompt_ext'] = function(block) {
-  // Prompt function.
-  Blockly.Dart.definitions_['import_dart_html'] =
-      'import \'dart:html\' as Html;';
-  if (block.getField('TEXT')) {
-    // Internal message.
-    var msg = Blockly.Dart.quote_(block.getFieldValue('TEXT'));
-  } else {
-    // External message.
-    var msg = Blockly.Dart.valueToCode(block, 'TEXT',
-        Blockly.Dart.ORDER_NONE) || '\'\'';
-  }
-  var code = 'Html.window.prompt(' + msg + ', \'\')';
-  var toNumber = block.getFieldValue('TYPE') == 'NUMBER';
-  if (toNumber) {
-    Blockly.Dart.definitions_['import_dart_math'] =
-        'import \'dart:math\' as Math;';
-    code = 'Math.parseDouble(' + code + ')';
-  }
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['text_prompt'] = Blockly.Dart['text_prompt_ext'];
-
-Blockly.Dart['text_count'] = function(block) {
-  var text = Blockly.Dart.valueToCode(block, 'TEXT',
-      Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
-  var sub = Blockly.Dart.valueToCode(block, 'SUB',
-      Blockly.Dart.ORDER_NONE) || '\'\'';
-  // Substring count is not a native Dart function.  Define one.
-  var functionName = Blockly.Dart.provideFunction_(
-      'text_count',
-      ['int ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
-        '(String haystack, String needle) {',
-        '  if (needle.length == 0) {',
-        '    return haystack.length + 1;',
-        '  }',
-        '  int index = 0;',
-        '  int count = 0;',
-        '  while (index != -1) {',
-        '    index = haystack.indexOf(needle, index);',
-        '    if (index != -1) {',
-        '      count++;',
-        '     index += needle.length;',
-        '    }',
-        '  }',
-        '  return count;',
-        '}']);
-  var code = functionName + '(' + text + ', ' + sub + ')';
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['text_replace'] = function(block) {
-  var text = Blockly.Dart.valueToCode(block, 'TEXT',
-      Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
-  var from = Blockly.Dart.valueToCode(block, 'FROM',
-      Blockly.Dart.ORDER_NONE) || '\'\'';
-  var to = Blockly.Dart.valueToCode(block, 'TO',
-      Blockly.Dart.ORDER_NONE) || '\'\'';
-  var code = text + '.replaceAll(' + from + ', ' + to + ')';
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
-
-Blockly.Dart['text_reverse'] = function(block) {
-  // There isn't a sensible way to do this in Dart. See:
-  // http://stackoverflow.com/a/21613700/3529104
-  // Implementing something is possibly better than not implementing anything?
-  var text = Blockly.Dart.valueToCode(block, 'TEXT',
-      Blockly.Dart.ORDER_UNARY_POSTFIX) || '\'\'';
-  var code = 'new String.fromCharCodes(' + text + '.runes.toList().reversed)';
-  // XXX What should the operator precedence be for a `new`?
-  return [code, Blockly.Dart.ORDER_UNARY_POSTFIX];
-};
diff --git a/generators/dart/text.ts b/generators/dart/text.ts
new file mode 100644
index 00000000000..c141eaad0fa
--- /dev/null
+++ b/generators/dart/text.ts
@@ -0,0 +1,405 @@
+/**
+ * @license
+ * Copyright 2014 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Dart for text blocks.
+ */
+
+// Former goog.module ID: Blockly.Dart.texts
+
+import type {Block} from '../../core/block.js';
+import type {DartGenerator} from './dart_generator.js';
+import type {JoinMutatorBlock} from '../../blocks/text.js';
+import {Order} from './dart_generator.js';
+
+// RESERVED WORDS: 'Html,Math'
+
+export function text(block: Block, generator: DartGenerator): [string, Order] {
+  // Text value.
+  const code = generator.quote_(block.getFieldValue('TEXT'));
+  return [code, Order.ATOMIC];
+}
+
+export function text_join(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Create a string made up of any number of elements of any type.
+  const joinBlock = block as JoinMutatorBlock;
+  switch (joinBlock.itemCount_) {
+    case 0:
+      return ["''", Order.ATOMIC];
+    case 1: {
+      const element =
+        generator.valueToCode(block, 'ADD0', Order.UNARY_POSTFIX) || "''";
+      const code = element + '.toString()';
+      return [code, Order.UNARY_POSTFIX];
+    }
+    default: {
+      const elements = new Array(joinBlock.itemCount_);
+      for (let i = 0; i < joinBlock.itemCount_; i++) {
+        elements[i] =
+          generator.valueToCode(block, 'ADD' + i, Order.NONE) || "''";
+      }
+      const code = '[' + elements.join(',') + '].join()';
+      return [code, Order.UNARY_POSTFIX];
+    }
+  }
+}
+
+export function text_append(block: Block, generator: DartGenerator) {
+  // Append to a variable in place.
+  const varName = generator.getVariableName(block.getFieldValue('VAR'));
+  const value = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  return varName + ' = [' + varName + ', ' + value + '].join();\n';
+}
+
+export function text_length(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // String or array length.
+  const text =
+    generator.valueToCode(block, 'VALUE', Order.UNARY_POSTFIX) || "''";
+  return [text + '.length', Order.UNARY_POSTFIX];
+}
+
+export function text_isEmpty(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Is the string null or array empty?
+  const text =
+    generator.valueToCode(block, 'VALUE', Order.UNARY_POSTFIX) || "''";
+  return [text + '.isEmpty', Order.UNARY_POSTFIX];
+}
+
+export function text_indexOf(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Search the text for a substring.
+  const operator =
+    block.getFieldValue('END') === 'FIRST' ? 'indexOf' : 'lastIndexOf';
+  const substring = generator.valueToCode(block, 'FIND', Order.NONE) || "''";
+  const text =
+    generator.valueToCode(block, 'VALUE', Order.UNARY_POSTFIX) || "''";
+  const code = text + '.' + operator + '(' + substring + ')';
+  if (block.workspace.options.oneBasedIndex) {
+    return [code + ' + 1', Order.ADDITIVE];
+  }
+  return [code, Order.UNARY_POSTFIX];
+}
+
+export function text_charAt(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Get letter at index.
+  // Note: Until January 2013 this block did not have the WHERE input.
+  const where = block.getFieldValue('WHERE') || 'FROM_START';
+  const textOrder =
+    where === 'FIRST' || where === 'FROM_START'
+      ? Order.UNARY_POSTFIX
+      : Order.NONE;
+  const text = generator.valueToCode(block, 'VALUE', textOrder) || "''";
+  let at;
+  switch (where) {
+    case 'FIRST': {
+      const code = text + '[0]';
+      return [code, Order.UNARY_POSTFIX];
+    }
+    case 'FROM_START': {
+      at = generator.getAdjusted(block, 'AT');
+      const code = text + '[' + at + ']';
+      return [code, Order.UNARY_POSTFIX];
+    }
+    case 'LAST':
+    case 'FROM_END': {
+      if (where === 'LAST') {
+        at = 1;
+      } else {
+        at = generator.getAdjusted(block, 'AT', 1);
+      }
+      const functionName = generator.provideFunction_(
+        'text_get_from_end',
+        `
+String ${generator.FUNCTION_NAME_PLACEHOLDER_}(String text, num x) {
+  return text[text.length - x];
+}
+`,
+      );
+      const code = `${functionName}(${text}, ${at})`;
+      return [code, Order.UNARY_POSTFIX];
+    }
+    case 'RANDOM': {
+      // TODO(#7600): find better approach than casting to any to override
+      // CodeGenerator declaring .definitions protected.
+      (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+        "import 'dart:math' as Math;";
+      const functionName = generator.provideFunction_(
+        'text_random_letter',
+        `
+String ${generator.FUNCTION_NAME_PLACEHOLDER_}(String text) {
+  int x = new Math.Random().nextInt(text.length);
+  return text[x];
+}
+`,
+      );
+      const code = functionName + '(' + text + ')';
+      return [code, Order.UNARY_POSTFIX];
+    }
+  }
+  throw Error('Unhandled option (text_charAt).');
+}
+
+export function text_getSubstring(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Get substring.
+  const where1 = block.getFieldValue('WHERE1');
+  const where2 = block.getFieldValue('WHERE2');
+  const requiresLengthCall = where1 !== 'FROM_END' && where2 === 'FROM_START';
+  const textOrder = requiresLengthCall ? Order.UNARY_POSTFIX : Order.NONE;
+  const text = generator.valueToCode(block, 'STRING', textOrder) || "''";
+  let code;
+  if (where1 === 'FIRST' && where2 === 'LAST') {
+    code = text;
+    return [code, Order.NONE];
+  } else if (text.match(/^'?\w+'?$/) || requiresLengthCall) {
+    // If the text is a variable or literal or doesn't require a call for
+    // length, don't generate a helper function.
+    let at1;
+    switch (where1) {
+      case 'FROM_START':
+        at1 = generator.getAdjusted(block, 'AT1');
+        break;
+      case 'FROM_END':
+        at1 = generator.getAdjusted(block, 'AT1', 1, false, Order.ADDITIVE);
+        at1 = text + '.length - ' + at1;
+        break;
+      case 'FIRST':
+        at1 = '0';
+        break;
+      default:
+        throw Error('Unhandled option (text_getSubstring).');
+    }
+    let at2;
+    switch (where2) {
+      case 'FROM_START':
+        at2 = generator.getAdjusted(block, 'AT2', 1);
+        break;
+      case 'FROM_END':
+        at2 = generator.getAdjusted(block, 'AT2', 0, false, Order.ADDITIVE);
+        at2 = text + '.length - ' + at2;
+        break;
+      case 'LAST':
+        break;
+      default:
+        throw Error('Unhandled option (text_getSubstring).');
+    }
+
+    if (where2 === 'LAST') {
+      code = text + '.substring(' + at1 + ')';
+    } else {
+      code = text + '.substring(' + at1 + ', ' + at2 + ')';
+    }
+  } else {
+    const at1 = generator.getAdjusted(block, 'AT1');
+    const at2 = generator.getAdjusted(block, 'AT2');
+    const functionName = generator.provideFunction_(
+      'text_get_substring',
+      `
+String ${generator.FUNCTION_NAME_PLACEHOLDER_}(String text, String where1, num at1, String where2, num at2) {
+  int getAt(String where, num at) {
+    if (where == 'FROM_END') {
+      at = text.length - 1 - at;
+    } else if (where == 'FIRST') {
+      at = 0;
+    } else if (where == 'LAST') {
+      at = text.length - 1;
+    } else if (where != 'FROM_START') {
+      throw 'Unhandled option (text_getSubstring).';
+    }
+    return at;
+  }
+  at1 = getAt(where1, at1);
+  at2 = getAt(where2, at2) + 1;
+  return text.substring(at1, at2);
+}
+`,
+    );
+    code =
+      functionName +
+      '(' +
+      text +
+      ", '" +
+      where1 +
+      "', " +
+      at1 +
+      ", '" +
+      where2 +
+      "', " +
+      at2 +
+      ')';
+  }
+  return [code, Order.UNARY_POSTFIX];
+}
+
+export function text_changeCase(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Change capitalization.
+  const OPERATORS = {
+    'UPPERCASE': '.toUpperCase()',
+    'LOWERCASE': '.toLowerCase()',
+    'TITLECASE': null,
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const operator = OPERATORS[block.getFieldValue('CASE') as OperatorOption];
+  const textOrder = operator ? Order.UNARY_POSTFIX : Order.NONE;
+  const text = generator.valueToCode(block, 'TEXT', textOrder) || "''";
+  let code;
+  if (operator) {
+    // Upper and lower case are functions built into generator.
+    code = text + operator;
+  } else {
+    // Title case is not a native generator function.  Define one.
+    const functionName = generator.provideFunction_(
+      'text_toTitleCase',
+      `
+String ${generator.FUNCTION_NAME_PLACEHOLDER_}(String str) {
+  RegExp exp = new RegExp(r'\\b');
+  List<String> list = str.split(exp);
+  final title = new StringBuffer();
+  for (String part in list) {
+    if (part.length > 0) {
+      title.write(part[0].toUpperCase());
+      if (part.length > 0) {
+        title.write(part.substring(1).toLowerCase());
+      }
+    }
+  }
+  return title.toString();
+}
+`,
+    );
+    code = functionName + '(' + text + ')';
+  }
+  return [code, Order.UNARY_POSTFIX];
+}
+
+export function text_trim(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Trim spaces.
+  const OPERATORS = {
+    'LEFT': ".replaceFirst(new RegExp(r'^\\s+'), '')",
+    'RIGHT': ".replaceFirst(new RegExp(r'\\s+$'), '')",
+    'BOTH': '.trim()',
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const operator = OPERATORS[block.getFieldValue('MODE') as OperatorOption];
+  const text =
+    generator.valueToCode(block, 'TEXT', Order.UNARY_POSTFIX) || "''";
+  return [text + operator, Order.UNARY_POSTFIX];
+}
+
+export function text_print(block: Block, generator: DartGenerator) {
+  // Print statement.
+  const msg = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  return 'print(' + msg + ');\n';
+}
+
+export function text_prompt_ext(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Prompt function.
+  // TODO(#7600): find better approach than casting to any to override
+  // CodeGenerator declaring .definitions protected.
+  (generator as AnyDuringMigration).definitions_['import_dart_html'] =
+    "import 'dart:html' as Html;";
+  let msg;
+  if (block.getField('TEXT')) {
+    // Internal message.
+    msg = generator.quote_(block.getFieldValue('TEXT'));
+  } else {
+    // External message.
+    msg = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  }
+  let code = 'Html.window.prompt(' + msg + ", '')";
+  const toNumber = block.getFieldValue('TYPE') === 'NUMBER';
+  if (toNumber) {
+    // TODO(#7600): find better approach than casting to any to override
+    // CodeGenerator declaring .definitions protected.
+    (generator as AnyDuringMigration).definitions_['import_dart_math'] =
+      "import 'dart:math' as Math;";
+    code = 'Math.parseDouble(' + code + ')';
+  }
+  return [code, Order.UNARY_POSTFIX];
+}
+
+export const text_prompt = text_prompt_ext;
+
+export function text_count(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  const text = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  const sub = generator.valueToCode(block, 'SUB', Order.NONE) || "''";
+  // Substring count is not a native generator function.  Define one.
+  const functionName = generator.provideFunction_(
+    'text_count',
+    `
+int ${generator.FUNCTION_NAME_PLACEHOLDER_}(String haystack, String needle) {
+  if (needle.length == 0) {
+    return haystack.length + 1;
+  }
+  int index = 0;
+  int count = 0;
+  while (index != -1) {
+    index = haystack.indexOf(needle, index);
+    if (index != -1) {
+      count++;
+     index += needle.length;
+    }
+  }
+  return count;
+}
+`,
+  );
+  const code = functionName + '(' + text + ', ' + sub + ')';
+  return [code, Order.UNARY_POSTFIX];
+}
+
+export function text_replace(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  const text =
+    generator.valueToCode(block, 'TEXT', Order.UNARY_POSTFIX) || "''";
+  const from = generator.valueToCode(block, 'FROM', Order.NONE) || "''";
+  const to = generator.valueToCode(block, 'TO', Order.NONE) || "''";
+  const code = text + '.replaceAll(' + from + ', ' + to + ')';
+  return [code, Order.UNARY_POSTFIX];
+}
+
+export function text_reverse(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // There isn't a sensible way to do this in generator. See:
+  // http://stackoverflow.com/a/21613700/3529104
+  // Implementing something is possibly better than not implementing anything?
+  const text =
+    generator.valueToCode(block, 'TEXT', Order.UNARY_POSTFIX) || "''";
+  const code = 'new String.fromCharCodes(' + text + '.runes.toList().reversed)';
+  return [code, Order.UNARY_PREFIX];
+}
diff --git a/generators/dart/variables.js b/generators/dart/variables.js
deleted file mode 100644
index 2fe0a9e0267..00000000000
--- a/generators/dart/variables.js
+++ /dev/null
@@ -1,32 +0,0 @@
-/**
- * @license
- * Copyright 2014 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Dart for variable blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Dart.variables');
-
-goog.require('Blockly.Dart');
-
-
-Blockly.Dart['variables_get'] = function(block) {
-  // Variable getter.
-  var code = Blockly.Dart.variableDB_.getName(block.getFieldValue('VAR'),
-      Blockly.VARIABLE_CATEGORY_NAME);
-  return [code, Blockly.Dart.ORDER_ATOMIC];
-};
-
-Blockly.Dart['variables_set'] = function(block) {
-  // Variable setter.
-  var argument0 = Blockly.Dart.valueToCode(block, 'VALUE',
-      Blockly.Dart.ORDER_ASSIGNMENT) || '0';
-  var varName = Blockly.Dart.variableDB_.getName(block.getFieldValue('VAR'),
-      Blockly.VARIABLE_CATEGORY_NAME);
-  return varName + ' = ' + argument0 + ';\n';
-};
diff --git a/generators/dart/variables.ts b/generators/dart/variables.ts
new file mode 100644
index 00000000000..4863d04178e
--- /dev/null
+++ b/generators/dart/variables.ts
@@ -0,0 +1,32 @@
+/**
+ * @license
+ * Copyright 2014 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Dart for variable blocks.
+ */
+
+// Former goog.module ID: Blockly.Dart.variables
+
+import type {Block} from '../../core/block.js';
+import type {DartGenerator} from './dart_generator.js';
+import {Order} from './dart_generator.js';
+
+export function variables_get(
+  block: Block,
+  generator: DartGenerator,
+): [string, Order] {
+  // Variable getter.
+  const code = generator.getVariableName(block.getFieldValue('VAR'));
+  return [code, Order.ATOMIC];
+}
+
+export function variables_set(block: Block, generator: DartGenerator) {
+  // Variable setter.
+  const argument0 =
+    generator.valueToCode(block, 'VALUE', Order.ASSIGNMENT) || '0';
+  const varName = generator.getVariableName(block.getFieldValue('VAR'));
+  return varName + ' = ' + argument0 + ';\n';
+}
diff --git a/generators/dart/variables_dynamic.js b/generators/dart/variables_dynamic.js
deleted file mode 100644
index 7e4d7914c31..00000000000
--- a/generators/dart/variables_dynamic.js
+++ /dev/null
@@ -1,21 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Dart for dynamic variable blocks.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.Dart.variablesDynamic');
-
-goog.require('Blockly.Dart');
-goog.require('Blockly.Dart.variables');
-
-
-// Dart is dynamically typed.
-Blockly.Dart['variables_get_dynamic'] = Blockly.Dart['variables_get'];
-Blockly.Dart['variables_set_dynamic'] = Blockly.Dart['variables_set'];
diff --git a/generators/dart/variables_dynamic.ts b/generators/dart/variables_dynamic.ts
new file mode 100644
index 00000000000..68cdf22d6fa
--- /dev/null
+++ b/generators/dart/variables_dynamic.ts
@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Dart for dynamic variable blocks.
+ */
+
+// Former goog.module ID: Blockly.Dart.variablesDynamic
+
+// generator is dynamically typed.
+export {
+  variables_get as variables_get_dynamic,
+  variables_set as variables_set_dynamic,
+} from './variables.js';
diff --git a/generators/javascript.js b/generators/javascript.js
deleted file mode 100644
index fa37716da1e..00000000000
--- a/generators/javascript.js
+++ /dev/null
@@ -1,317 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Helper functions for generating JavaScript for blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.JavaScript');
-
-goog.require('Blockly.Generator');
-goog.require('Blockly.utils.global');
-goog.require('Blockly.utils.string');
-
-
-/**
- * JavaScript code generator.
- * @type {!Blockly.Generator}
- */
-Blockly.JavaScript = new Blockly.Generator('JavaScript');
-
-/**
- * List of illegal variable names.
- * This is not intended to be a security feature.  Blockly is 100% client-side,
- * so bypassing this list is trivial.  This is intended to prevent users from
- * accidentally clobbering a built-in object or function.
- * @private
- */
-Blockly.JavaScript.addReservedWords(
-    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Keywords
-    'break,case,catch,class,const,continue,debugger,default,delete,do,else,export,extends,finally,for,function,if,import,in,instanceof,new,return,super,switch,this,throw,try,typeof,var,void,while,with,yield,' +
-    'enum,' +
-    'implements,interface,let,package,private,protected,public,static,' +
-    'await,' +
-    'null,true,false,' +
-    // Magic variable.
-    'arguments,' +
-    // Everything in the current environment (835 items in Chrome, 104 in Node).
-    Object.getOwnPropertyNames(Blockly.utils.global).join(','));
-
-/**
- * Order of operation ENUMs.
- * https://developer.mozilla.org/en/JavaScript/Reference/Operators/Operator_Precedence
- */
-Blockly.JavaScript.ORDER_ATOMIC = 0;           // 0 "" ...
-Blockly.JavaScript.ORDER_NEW = 1.1;            // new
-Blockly.JavaScript.ORDER_MEMBER = 1.2;         // . []
-Blockly.JavaScript.ORDER_FUNCTION_CALL = 2;    // ()
-Blockly.JavaScript.ORDER_INCREMENT = 3;        // ++
-Blockly.JavaScript.ORDER_DECREMENT = 3;        // --
-Blockly.JavaScript.ORDER_BITWISE_NOT = 4.1;    // ~
-Blockly.JavaScript.ORDER_UNARY_PLUS = 4.2;     // +
-Blockly.JavaScript.ORDER_UNARY_NEGATION = 4.3; // -
-Blockly.JavaScript.ORDER_LOGICAL_NOT = 4.4;    // !
-Blockly.JavaScript.ORDER_TYPEOF = 4.5;         // typeof
-Blockly.JavaScript.ORDER_VOID = 4.6;           // void
-Blockly.JavaScript.ORDER_DELETE = 4.7;         // delete
-Blockly.JavaScript.ORDER_AWAIT = 4.8;          // await
-Blockly.JavaScript.ORDER_EXPONENTIATION = 5.0; // **
-Blockly.JavaScript.ORDER_MULTIPLICATION = 5.1; // *
-Blockly.JavaScript.ORDER_DIVISION = 5.2;       // /
-Blockly.JavaScript.ORDER_MODULUS = 5.3;        // %
-Blockly.JavaScript.ORDER_SUBTRACTION = 6.1;    // -
-Blockly.JavaScript.ORDER_ADDITION = 6.2;       // +
-Blockly.JavaScript.ORDER_BITWISE_SHIFT = 7;    // << >> >>>
-Blockly.JavaScript.ORDER_RELATIONAL = 8;       // < <= > >=
-Blockly.JavaScript.ORDER_IN = 8;               // in
-Blockly.JavaScript.ORDER_INSTANCEOF = 8;       // instanceof
-Blockly.JavaScript.ORDER_EQUALITY = 9;         // == != === !==
-Blockly.JavaScript.ORDER_BITWISE_AND = 10;     // &
-Blockly.JavaScript.ORDER_BITWISE_XOR = 11;     // ^
-Blockly.JavaScript.ORDER_BITWISE_OR = 12;      // |
-Blockly.JavaScript.ORDER_LOGICAL_AND = 13;     // &&
-Blockly.JavaScript.ORDER_LOGICAL_OR = 14;      // ||
-Blockly.JavaScript.ORDER_CONDITIONAL = 15;     // ?:
-Blockly.JavaScript.ORDER_ASSIGNMENT = 16;      // = += -= **= *= /= %= <<= >>= ...
-Blockly.JavaScript.ORDER_YIELD = 17;           // yield
-Blockly.JavaScript.ORDER_COMMA = 18;           // ,
-Blockly.JavaScript.ORDER_NONE = 99;            // (...)
-
-/**
- * List of outer-inner pairings that do NOT require parentheses.
- * @type {!Array.<!Array.<number>>}
- */
-Blockly.JavaScript.ORDER_OVERRIDES = [
-  // (foo()).bar -> foo().bar
-  // (foo())[0] -> foo()[0]
-  [Blockly.JavaScript.ORDER_FUNCTION_CALL, Blockly.JavaScript.ORDER_MEMBER],
-  // (foo())() -> foo()()
-  [Blockly.JavaScript.ORDER_FUNCTION_CALL, Blockly.JavaScript.ORDER_FUNCTION_CALL],
-  // (foo.bar).baz -> foo.bar.baz
-  // (foo.bar)[0] -> foo.bar[0]
-  // (foo[0]).bar -> foo[0].bar
-  // (foo[0])[1] -> foo[0][1]
-  [Blockly.JavaScript.ORDER_MEMBER, Blockly.JavaScript.ORDER_MEMBER],
-  // (foo.bar)() -> foo.bar()
-  // (foo[0])() -> foo[0]()
-  [Blockly.JavaScript.ORDER_MEMBER, Blockly.JavaScript.ORDER_FUNCTION_CALL],
-
-  // !(!foo) -> !!foo
-  [Blockly.JavaScript.ORDER_LOGICAL_NOT, Blockly.JavaScript.ORDER_LOGICAL_NOT],
-  // a * (b * c) -> a * b * c
-  [Blockly.JavaScript.ORDER_MULTIPLICATION, Blockly.JavaScript.ORDER_MULTIPLICATION],
-  // a + (b + c) -> a + b + c
-  [Blockly.JavaScript.ORDER_ADDITION, Blockly.JavaScript.ORDER_ADDITION],
-  // a && (b && c) -> a && b && c
-  [Blockly.JavaScript.ORDER_LOGICAL_AND, Blockly.JavaScript.ORDER_LOGICAL_AND],
-  // a || (b || c) -> a || b || c
-  [Blockly.JavaScript.ORDER_LOGICAL_OR, Blockly.JavaScript.ORDER_LOGICAL_OR]
-];
-
-/**
- * Initialise the database of variable names.
- * @param {!Blockly.Workspace} workspace Workspace to generate code from.
- */
-Blockly.JavaScript.init = function(workspace) {
-  // Create a dictionary of definitions to be printed before the code.
-  Blockly.JavaScript.definitions_ = Object.create(null);
-  // Create a dictionary mapping desired function names in definitions_
-  // to actual function names (to avoid collisions with user functions).
-  Blockly.JavaScript.functionNames_ = Object.create(null);
-
-  if (!Blockly.JavaScript.variableDB_) {
-    Blockly.JavaScript.variableDB_ =
-        new Blockly.Names(Blockly.JavaScript.RESERVED_WORDS_);
-  } else {
-    Blockly.JavaScript.variableDB_.reset();
-  }
-
-  Blockly.JavaScript.variableDB_.setVariableMap(workspace.getVariableMap());
-
-  var defvars = [];
-  // Add developer variables (not created or named by the user).
-  var devVarList = Blockly.Variables.allDeveloperVariables(workspace);
-  for (var i = 0; i < devVarList.length; i++) {
-    defvars.push(Blockly.JavaScript.variableDB_.getName(devVarList[i],
-        Blockly.Names.DEVELOPER_VARIABLE_TYPE));
-  }
-
-  // Add user variables, but only ones that are being used.
-  var variables = Blockly.Variables.allUsedVarModels(workspace);
-  for (var i = 0; i < variables.length; i++) {
-    defvars.push(Blockly.JavaScript.variableDB_.getName(variables[i].getId(),
-        Blockly.VARIABLE_CATEGORY_NAME));
-  }
-
-  // Declare all of the variables.
-  if (defvars.length) {
-    Blockly.JavaScript.definitions_['variables'] =
-        'var ' + defvars.join(', ') + ';';
-  }
-};
-
-/**
- * Prepend the generated code with the variable definitions.
- * @param {string} code Generated code.
- * @return {string} Completed code.
- */
-Blockly.JavaScript.finish = function(code) {
-  // Convert the definitions dictionary into a list.
-  var definitions = [];
-  for (var name in Blockly.JavaScript.definitions_) {
-    definitions.push(Blockly.JavaScript.definitions_[name]);
-  }
-  // Clean up temporary data.
-  delete Blockly.JavaScript.definitions_;
-  delete Blockly.JavaScript.functionNames_;
-  Blockly.JavaScript.variableDB_.reset();
-  return definitions.join('\n\n') + '\n\n\n' + code;
-};
-
-/**
- * Naked values are top-level blocks with outputs that aren't plugged into
- * anything.  A trailing semicolon is needed to make this legal.
- * @param {string} line Line of generated code.
- * @return {string} Legal line of code.
- */
-Blockly.JavaScript.scrubNakedValue = function(line) {
-  return line + ';\n';
-};
-
-/**
- * Encode a string as a properly escaped JavaScript string, complete with
- * quotes.
- * @param {string} string Text to encode.
- * @return {string} JavaScript string.
- * @private
- */
-Blockly.JavaScript.quote_ = function(string) {
-  // Can't use goog.string.quote since Google's style guide recommends
-  // JS string literals use single quotes.
-  string = string.replace(/\\/g, '\\\\')
-                 .replace(/\n/g, '\\\n')
-                 .replace(/'/g, '\\\'');
-  return '\'' + string + '\'';
-};
-
-/**
- * Encode a string as a properly escaped multiline JavaScript string, complete
- * with quotes.
- * @param {string} string Text to encode.
- * @return {string} JavaScript string.
- * @private
- */
-Blockly.JavaScript.multiline_quote_ = function(string) {
-  // Can't use goog.string.quote since Google's style guide recommends
-  // JS string literals use single quotes.
-  var lines = string.split(/\n/g).map(Blockly.JavaScript.quote_);
-  return lines.join(' + \'\\n\' +\n');
-};
-
-/**
- * Common tasks for generating JavaScript from blocks.
- * Handles comments for the specified block and any connected value blocks.
- * Calls any statements following this block.
- * @param {!Blockly.Block} block The current block.
- * @param {string} code The JavaScript code created for this block.
- * @param {boolean=} opt_thisOnly True to generate code for only this statement.
- * @return {string} JavaScript code with comments and subsequent blocks added.
- * @private
- */
-Blockly.JavaScript.scrub_ = function(block, code, opt_thisOnly) {
-  var commentCode = '';
-  // Only collect comments for blocks that aren't inline.
-  if (!block.outputConnection || !block.outputConnection.targetConnection) {
-    // Collect comment for this block.
-    var comment = block.getCommentText();
-    if (comment) {
-      comment = Blockly.utils.string.wrap(comment,
-          Blockly.JavaScript.COMMENT_WRAP - 3);
-      commentCode += Blockly.JavaScript.prefixLines(comment + '\n', '// ');
-    }
-    // Collect comments for all value arguments.
-    // Don't collect comments for nested statements.
-    for (var i = 0; i < block.inputList.length; i++) {
-      if (block.inputList[i].type == Blockly.INPUT_VALUE) {
-        var childBlock = block.inputList[i].connection.targetBlock();
-        if (childBlock) {
-          comment = Blockly.JavaScript.allNestedComments(childBlock);
-          if (comment) {
-            commentCode += Blockly.JavaScript.prefixLines(comment, '// ');
-          }
-        }
-      }
-    }
-  }
-  var nextBlock = block.nextConnection && block.nextConnection.targetBlock();
-  var nextCode = opt_thisOnly ? '' : Blockly.JavaScript.blockToCode(nextBlock);
-  return commentCode + code + nextCode;
-};
-
-/**
- * Gets a property and adjusts the value while taking into account indexing.
- * @param {!Blockly.Block} block The block.
- * @param {string} atId The property ID of the element to get.
- * @param {number=} opt_delta Value to add.
- * @param {boolean=} opt_negate Whether to negate the value.
- * @param {number=} opt_order The highest order acting on this value.
- * @return {string|number}
- */
-Blockly.JavaScript.getAdjusted = function(block, atId, opt_delta, opt_negate,
-    opt_order) {
-  var delta = opt_delta || 0;
-  var order = opt_order || Blockly.JavaScript.ORDER_NONE;
-  if (block.workspace.options.oneBasedIndex) {
-    delta--;
-  }
-  var defaultAtIndex = block.workspace.options.oneBasedIndex ? '1' : '0';
-  if (delta > 0) {
-    var at = Blockly.JavaScript.valueToCode(block, atId,
-        Blockly.JavaScript.ORDER_ADDITION) || defaultAtIndex;
-  } else if (delta < 0) {
-    var at = Blockly.JavaScript.valueToCode(block, atId,
-        Blockly.JavaScript.ORDER_SUBTRACTION) || defaultAtIndex;
-  } else if (opt_negate) {
-    var at = Blockly.JavaScript.valueToCode(block, atId,
-        Blockly.JavaScript.ORDER_UNARY_NEGATION) || defaultAtIndex;
-  } else {
-    var at = Blockly.JavaScript.valueToCode(block, atId, order) ||
-        defaultAtIndex;
-  }
-
-  if (Blockly.isNumber(at)) {
-    // If the index is a naked number, adjust it right now.
-    at = Number(at) + delta;
-    if (opt_negate) {
-      at = -at;
-    }
-  } else {
-    // If the index is dynamic, adjust it in code.
-    if (delta > 0) {
-      at = at + ' + ' + delta;
-      var innerOrder = Blockly.JavaScript.ORDER_ADDITION;
-    } else if (delta < 0) {
-      at = at + ' - ' + -delta;
-      var innerOrder = Blockly.JavaScript.ORDER_SUBTRACTION;
-    }
-    if (opt_negate) {
-      if (delta) {
-        at = '-(' + at + ')';
-      } else {
-        at = '-' + at;
-      }
-      var innerOrder = Blockly.JavaScript.ORDER_UNARY_NEGATION;
-    }
-    innerOrder = Math.floor(innerOrder);
-    order = Math.floor(order);
-    if (innerOrder && order >= innerOrder) {
-      at = '(' + at + ')';
-    }
-  }
-  return at;
-};
diff --git a/generators/javascript.ts b/generators/javascript.ts
new file mode 100644
index 00000000000..5fa6bb84d0a
--- /dev/null
+++ b/generators/javascript.ts
@@ -0,0 +1,46 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Instantiate a JavascriptGenerator and populate it with the
+ * complete set of block generator functions for JavaScript.  This is
+ * the entrypoint for javascript_compressed.js.
+ */
+
+// Former goog.module ID: Blockly.JavaScript.all
+
+import {JavascriptGenerator} from './javascript/javascript_generator.js';
+import * as lists from './javascript/lists.js';
+import * as logic from './javascript/logic.js';
+import * as loops from './javascript/loops.js';
+import * as math from './javascript/math.js';
+import * as procedures from './javascript/procedures.js';
+import * as text from './javascript/text.js';
+import * as variables from './javascript/variables.js';
+import * as variablesDynamic from './javascript/variables_dynamic.js';
+
+export * from './javascript/javascript_generator.js';
+
+/**
+ * JavaScript code generator instance.
+ * @type {!JavascriptGenerator}
+ */
+export const javascriptGenerator = new JavascriptGenerator();
+
+// Install per-block-type generator functions:
+const generators: typeof javascriptGenerator.forBlock = {
+  ...lists,
+  ...logic,
+  ...loops,
+  ...math,
+  ...procedures,
+  ...text,
+  ...variables,
+  ...variablesDynamic,
+};
+for (const name in generators) {
+  javascriptGenerator.forBlock[name] = generators[name];
+}
diff --git a/generators/javascript/colour.js b/generators/javascript/colour.js
deleted file mode 100644
index 712faea0d15..00000000000
--- a/generators/javascript/colour.js
+++ /dev/null
@@ -1,89 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating JavaScript for colour blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.JavaScript.colour');
-
-goog.require('Blockly.JavaScript');
-
-
-Blockly.JavaScript['colour_picker'] = function(block) {
-  // Colour picker.
-  var code = Blockly.JavaScript.quote_(block.getFieldValue('COLOUR'));
-  return [code, Blockly.JavaScript.ORDER_ATOMIC];
-};
-
-Blockly.JavaScript['colour_random'] = function(block) {
-  // Generate a random colour.
-  var functionName = Blockly.JavaScript.provideFunction_(
-      'colourRandom',
-      ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ + '() {',
-        '  var num = Math.floor(Math.random() * Math.pow(2, 24));',
-        '  return \'#\' + (\'00000\' + num.toString(16)).substr(-6);',
-        '}']);
-  var code = functionName + '()';
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['colour_rgb'] = function(block) {
-  // Compose a colour from RGB components expressed as percentages.
-  var red = Blockly.JavaScript.valueToCode(block, 'RED',
-      Blockly.JavaScript.ORDER_COMMA) || 0;
-  var green = Blockly.JavaScript.valueToCode(block, 'GREEN',
-      Blockly.JavaScript.ORDER_COMMA) || 0;
-  var blue = Blockly.JavaScript.valueToCode(block, 'BLUE',
-      Blockly.JavaScript.ORDER_COMMA) || 0;
-  var functionName = Blockly.JavaScript.provideFunction_(
-      'colourRgb',
-      ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-          '(r, g, b) {',
-       '  r = Math.max(Math.min(Number(r), 100), 0) * 2.55;',
-       '  g = Math.max(Math.min(Number(g), 100), 0) * 2.55;',
-       '  b = Math.max(Math.min(Number(b), 100), 0) * 2.55;',
-       '  r = (\'0\' + (Math.round(r) || 0).toString(16)).slice(-2);',
-       '  g = (\'0\' + (Math.round(g) || 0).toString(16)).slice(-2);',
-       '  b = (\'0\' + (Math.round(b) || 0).toString(16)).slice(-2);',
-       '  return \'#\' + r + g + b;',
-       '}']);
-  var code = functionName + '(' + red + ', ' + green + ', ' + blue + ')';
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['colour_blend'] = function(block) {
-  // Blend two colours together.
-  var c1 = Blockly.JavaScript.valueToCode(block, 'COLOUR1',
-      Blockly.JavaScript.ORDER_COMMA) || '\'#000000\'';
-  var c2 = Blockly.JavaScript.valueToCode(block, 'COLOUR2',
-      Blockly.JavaScript.ORDER_COMMA) || '\'#000000\'';
-  var ratio = Blockly.JavaScript.valueToCode(block, 'RATIO',
-      Blockly.JavaScript.ORDER_COMMA) || 0.5;
-  var functionName = Blockly.JavaScript.provideFunction_(
-      'colourBlend',
-      ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-          '(c1, c2, ratio) {',
-       '  ratio = Math.max(Math.min(Number(ratio), 1), 0);',
-       '  var r1 = parseInt(c1.substring(1, 3), 16);',
-       '  var g1 = parseInt(c1.substring(3, 5), 16);',
-       '  var b1 = parseInt(c1.substring(5, 7), 16);',
-       '  var r2 = parseInt(c2.substring(1, 3), 16);',
-       '  var g2 = parseInt(c2.substring(3, 5), 16);',
-       '  var b2 = parseInt(c2.substring(5, 7), 16);',
-       '  var r = Math.round(r1 * (1 - ratio) + r2 * ratio);',
-       '  var g = Math.round(g1 * (1 - ratio) + g2 * ratio);',
-       '  var b = Math.round(b1 * (1 - ratio) + b2 * ratio);',
-       '  r = (\'0\' + (r || 0).toString(16)).slice(-2);',
-       '  g = (\'0\' + (g || 0).toString(16)).slice(-2);',
-       '  b = (\'0\' + (b || 0).toString(16)).slice(-2);',
-       '  return \'#\' + r + g + b;',
-       '}']);
-  var code = functionName + '(' + c1 + ', ' + c2 + ', ' + ratio + ')';
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
diff --git a/generators/javascript/javascript_generator.ts b/generators/javascript/javascript_generator.ts
new file mode 100644
index 00000000000..592563f919d
--- /dev/null
+++ b/generators/javascript/javascript_generator.ts
@@ -0,0 +1,346 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file JavaScript code generator class, including helper methods for
+ * generating JavaScript for blocks.
+ */
+
+// Former goog.module ID: Blockly.JavaScript
+
+import * as Variables from '../../core/variables.js';
+import * as stringUtils from '../../core/utils/string.js';
+import type {Block} from '../../core/block.js';
+import {CodeGenerator} from '../../core/generator.js';
+import {Names, NameType} from '../../core/names.js';
+import type {Workspace} from '../../core/workspace.js';
+import {inputTypes} from '../../core/inputs/input_types.js';
+
+/**
+ * Order of operation ENUMs.
+ * https://developer.mozilla.org/en/JavaScript/Reference/Operators/Operator_Precedence
+ */
+// prettier-ignore
+export enum Order {
+  ATOMIC = 0,            // 0 "" ...
+  NEW = 1.1,             // new
+  MEMBER = 1.2,          // . []
+  FUNCTION_CALL = 2,     // ()
+  INCREMENT = 3,         // ++
+  DECREMENT = 3,         // --
+  BITWISE_NOT = 4.1,     // ~
+  UNARY_PLUS = 4.2,      // +
+  UNARY_NEGATION = 4.3,  // -
+  LOGICAL_NOT = 4.4,     // !
+  TYPEOF = 4.5,          // typeof
+  VOID = 4.6,            // void
+  DELETE = 4.7,          // delete
+  AWAIT = 4.8,           // await
+  EXPONENTIATION = 5.0,  // **
+  MULTIPLICATION = 5.1,  // *
+  DIVISION = 5.2,        // /
+  MODULUS = 5.3,         // %
+  SUBTRACTION = 6.1,     // -
+  ADDITION = 6.2,        // +
+  BITWISE_SHIFT = 7,     // << >> >>>
+  RELATIONAL = 8,        // < <= > >=
+  IN = 8,                // in
+  INSTANCEOF = 8,        // instanceof
+  EQUALITY = 9,          // == != === !==
+  BITWISE_AND = 10,      // &
+  BITWISE_XOR = 11,      // ^
+  BITWISE_OR = 12,       // |
+  LOGICAL_AND = 13,      // &&
+  LOGICAL_OR = 14,       // ||
+  CONDITIONAL = 15,      // ?:
+  ASSIGNMENT = 16,       // = += -= **= *= /= %= <<= >>= ...
+  YIELD = 17,            // yield
+  COMMA = 18,            // ,
+  NONE = 99,             // (...)
+}
+
+/**
+ * JavaScript code generator class.
+ */
+export class JavascriptGenerator extends CodeGenerator {
+  /** List of outer-inner pairings that do NOT require parentheses. */
+  ORDER_OVERRIDES: [Order, Order][] = [
+    // (foo()).bar -> foo().bar
+    // (foo())[0] -> foo()[0]
+    [Order.FUNCTION_CALL, Order.MEMBER],
+    // (foo())() -> foo()()
+    [Order.FUNCTION_CALL, Order.FUNCTION_CALL],
+    // (foo.bar).baz -> foo.bar.baz
+    // (foo.bar)[0] -> foo.bar[0]
+    // (foo[0]).bar -> foo[0].bar
+    // (foo[0])[1] -> foo[0][1]
+    [Order.MEMBER, Order.MEMBER],
+    // (foo.bar)() -> foo.bar()
+    // (foo[0])() -> foo[0]()
+    [Order.MEMBER, Order.FUNCTION_CALL],
+
+    // !(!foo) -> !!foo
+    [Order.LOGICAL_NOT, Order.LOGICAL_NOT],
+    // a * (b * c) -> a * b * c
+    [Order.MULTIPLICATION, Order.MULTIPLICATION],
+    // a + (b + c) -> a + b + c
+    [Order.ADDITION, Order.ADDITION],
+    // a && (b && c) -> a && b && c
+    [Order.LOGICAL_AND, Order.LOGICAL_AND],
+    // a || (b || c) -> a || b || c
+    [Order.LOGICAL_OR, Order.LOGICAL_OR],
+  ];
+
+  /** @param name Name of the language the generator is for. */
+  constructor(name = 'JavaScript') {
+    super(name);
+    this.isInitialized = false;
+
+    // Copy Order values onto instance for backwards compatibility
+    // while ensuring they are not part of the publically-advertised
+    // API.
+    //
+    // TODO(#7085): deprecate these in due course.  (Could initially
+    // replace data properties with get accessors that call
+    // deprecate.warn().)
+    for (const key in Order) {
+      // Must assign Order[key] to a temporary to get the type guard to work;
+      // see https://github.com/microsoft/TypeScript/issues/10530.
+      const value = Order[key];
+      // Skip reverse-lookup entries in the enum.  Due to
+      // https://github.com/microsoft/TypeScript/issues/55713 this (as
+      // of TypeScript 5.5.2) actually narrows the type of value to
+      // never - but that still allows the following assignment to
+      // succeed.
+      if (typeof value === 'string') continue;
+      (this as unknown as Record<string, Order>)['ORDER_' + key] = value;
+    }
+
+    // List of illegal variable names.  This is not intended to be a
+    // security feature.  Blockly is 100% client-side, so bypassing
+    // this list is trivial.  This is intended to prevent users from
+    // accidentally clobbering a built-in object or function.
+    //
+    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Lexical_grammar#Keywords
+    this.addReservedWords(
+      'break,case,catch,class,const,continue,debugger,default,delete,do,' +
+        'else,export,extends,finally,for,function,if,import,in,instanceof,' +
+        'new,return,super,switch,this,throw,try,typeof,var,void,' +
+        'while,with,yield,' +
+        'enum,' +
+        'implements,interface,let,package,private,protected,public,static,' +
+        'await,' +
+        'null,true,false,' +
+        // Magic variable.
+        'arguments,' +
+        // Everything in the current environment (835 items in Chrome,
+        // 104 in Node).
+        Object.getOwnPropertyNames(globalThis).join(','),
+    );
+  }
+
+  /**
+   * Initialise the database of variable names.
+   *
+   * @param workspace Workspace to generate code from.
+   */
+  init(workspace: Workspace) {
+    super.init(workspace);
+
+    if (!this.nameDB_) {
+      this.nameDB_ = new Names(this.RESERVED_WORDS_);
+    } else {
+      this.nameDB_.reset();
+    }
+
+    this.nameDB_.setVariableMap(workspace.getVariableMap());
+    this.nameDB_.populateVariables(workspace);
+    this.nameDB_.populateProcedures(workspace);
+
+    const defvars = [];
+    // Add developer variables (not created or named by the user).
+    const devVarList = Variables.allDeveloperVariables(workspace);
+    for (let i = 0; i < devVarList.length; i++) {
+      defvars.push(
+        this.nameDB_.getName(devVarList[i], NameType.DEVELOPER_VARIABLE),
+      );
+    }
+
+    // Add user variables, but only ones that are being used.
+    const variables = Variables.allUsedVarModels(workspace);
+    for (let i = 0; i < variables.length; i++) {
+      defvars.push(
+        this.nameDB_.getName(variables[i].getId(), NameType.VARIABLE),
+      );
+    }
+
+    // Declare all of the variables.
+    if (defvars.length) {
+      this.definitions_['variables'] = 'var ' + defvars.join(', ') + ';';
+    }
+    this.isInitialized = true;
+  }
+
+  /**
+   * Prepend the generated code with the variable definitions.
+   *
+   * @param code Generated code.
+   * @returns Completed code.
+   */
+  finish(code: string): string {
+    // Convert the definitions dictionary into a list.
+    const definitions = Object.values(this.definitions_);
+    // Call Blockly.CodeGenerator's finish.
+    super.finish(code);
+    this.isInitialized = false;
+
+    this.nameDB_!.reset();
+    return definitions.join('\n\n') + '\n\n\n' + code;
+  }
+
+  /**
+   * Naked values are top-level blocks with outputs that aren't plugged into
+   * anything.  A trailing semicolon is needed to make this legal.
+   *
+   * @param line Line of generated code.
+   * @returns Legal line of code.
+   */
+  scrubNakedValue(line: string): string {
+    return line + ';\n';
+  }
+
+  /**
+   * Encode a string as a properly escaped JavaScript string, complete with
+   * quotes.
+   *
+   * @param string Text to encode.
+   * @returns JavaScript string.
+   */
+  quote_(string: string): string {
+    // Can't use goog.string.quote since Google's style guide recommends
+    // JS string literals use single quotes.
+    string = string
+      .replace(/\\/g, '\\\\')
+      .replace(/\n/g, '\\\n')
+      .replace(/'/g, "\\'");
+    return "'" + string + "'";
+  }
+
+  /**
+   * Encode a string as a properly escaped multiline JavaScript string, complete
+   * with quotes.
+   * @param string Text to encode.
+   * @returns JavaScript string.
+   */
+  multiline_quote_(string: string): string {
+    // Can't use goog.string.quote since Google's style guide recommends
+    // JS string literals use single quotes.
+    const lines = string.split(/\n/g).map(this.quote_);
+    return lines.join(" + '\\n' +\n");
+  }
+
+  /**
+   * Common tasks for generating JavaScript from blocks.
+   * Handles comments for the specified block and any connected value blocks.
+   * Calls any statements following this block.
+   *
+   * @param block The current block.
+   * @param code The JavaScript code created for this block.
+   * @param thisOnly True to generate code for only this statement.
+   * @returns JavaScript code with comments and subsequent blocks added.
+   */
+  scrub_(block: Block, code: string, thisOnly = false): string {
+    let commentCode = '';
+    // Only collect comments for blocks that aren't inline.
+    if (!block.outputConnection || !block.outputConnection.targetConnection) {
+      // Collect comment for this block.
+      let comment = block.getCommentText();
+      if (comment) {
+        comment = stringUtils.wrap(comment, this.COMMENT_WRAP - 3);
+        commentCode += this.prefixLines(comment + '\n', '// ');
+      }
+      // Collect comments for all value arguments.
+      // Don't collect comments for nested statements.
+      for (let i = 0; i < block.inputList.length; i++) {
+        if (block.inputList[i].type === inputTypes.VALUE) {
+          const childBlock = block.inputList[i].connection!.targetBlock();
+          if (childBlock) {
+            comment = this.allNestedComments(childBlock);
+            if (comment) {
+              commentCode += this.prefixLines(comment, '// ');
+            }
+          }
+        }
+      }
+    }
+    const nextBlock =
+      block.nextConnection && block.nextConnection.targetBlock();
+    const nextCode = thisOnly ? '' : this.blockToCode(nextBlock);
+    return commentCode + code + nextCode;
+  }
+
+  /**
+   * Generate code representing the specified value input, adjusted to take into
+   * account indexing (zero- or one-based) and optionally by a specified delta
+   * and/or by negation.
+   *
+   * @param block The block.
+   * @param atId The ID of the input block to get (and adjust) the value of.
+   * @param delta Value to add.
+   * @param negate Whether to negate the value.
+   * @param order The highest order acting on this value.
+   * @returns The adjusted value or code that evaluates to it.
+   */
+  getAdjusted(
+    block: Block,
+    atId: string,
+    delta = 0,
+    negate = false,
+    order = Order.NONE,
+  ): string {
+    if (block.workspace.options.oneBasedIndex) {
+      delta--;
+    }
+    const defaultAtIndex = block.workspace.options.oneBasedIndex ? '1' : '0';
+
+    let orderForInput = order;
+    if (delta > 0) {
+      orderForInput = Order.ADDITION;
+    } else if (delta < 0) {
+      orderForInput = Order.SUBTRACTION;
+    } else if (negate) {
+      orderForInput = Order.UNARY_NEGATION;
+    }
+
+    let at = this.valueToCode(block, atId, orderForInput) || defaultAtIndex;
+
+    // Easy case: no adjustments.
+    if (delta === 0 && !negate) {
+      return at;
+    }
+    // If the index is a naked number, adjust it right now.
+    if (stringUtils.isNumber(at)) {
+      at = String(Number(at) + delta);
+      if (negate) {
+        at = String(-Number(at));
+      }
+      return at;
+    }
+    // If the index is dynamic, adjust it in code.
+    if (delta > 0) {
+      at = `${at} + ${delta}`;
+    } else if (delta < 0) {
+      at = `${at} - ${-delta}`;
+    }
+    if (negate) {
+      at = delta ? `-(${at})` : `-${at}`;
+    }
+    if (Math.floor(order) >= Math.floor(orderForInput)) {
+      at = `(${at})`;
+    }
+    return at;
+  }
+}
diff --git a/generators/javascript/lists.js b/generators/javascript/lists.js
deleted file mode 100644
index 246871182c0..00000000000
--- a/generators/javascript/lists.js
+++ /dev/null
@@ -1,388 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating JavaScript for list blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.JavaScript.lists');
-
-goog.require('Blockly.JavaScript');
-
-
-Blockly.JavaScript['lists_create_empty'] = function(block) {
-  // Create an empty list.
-  return ['[]', Blockly.JavaScript.ORDER_ATOMIC];
-};
-
-Blockly.JavaScript['lists_create_with'] = function(block) {
-  // Create a list with any number of elements of any type.
-  var elements = new Array(block.itemCount_);
-  for (var i = 0; i < block.itemCount_; i++) {
-    elements[i] = Blockly.JavaScript.valueToCode(block, 'ADD' + i,
-        Blockly.JavaScript.ORDER_COMMA) || 'null';
-  }
-  var code = '[' + elements.join(', ') + ']';
-  return [code, Blockly.JavaScript.ORDER_ATOMIC];
-};
-
-Blockly.JavaScript['lists_repeat'] = function(block) {
-  // Create a list with one element repeated.
-  var functionName = Blockly.JavaScript.provideFunction_(
-      'listsRepeat',
-      ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-          '(value, n) {',
-       '  var array = [];',
-       '  for (var i = 0; i < n; i++) {',
-       '    array[i] = value;',
-       '  }',
-       '  return array;',
-       '}']);
-  var element = Blockly.JavaScript.valueToCode(block, 'ITEM',
-      Blockly.JavaScript.ORDER_COMMA) || 'null';
-  var repeatCount = Blockly.JavaScript.valueToCode(block, 'NUM',
-      Blockly.JavaScript.ORDER_COMMA) || '0';
-  var code = functionName + '(' + element + ', ' + repeatCount + ')';
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['lists_length'] = function(block) {
-  // String or array length.
-  var list = Blockly.JavaScript.valueToCode(block, 'VALUE',
-      Blockly.JavaScript.ORDER_MEMBER) || '[]';
-  return [list + '.length', Blockly.JavaScript.ORDER_MEMBER];
-};
-
-Blockly.JavaScript['lists_isEmpty'] = function(block) {
-  // Is the string null or array empty?
-  var list = Blockly.JavaScript.valueToCode(block, 'VALUE',
-      Blockly.JavaScript.ORDER_MEMBER) || '[]';
-  return ['!' + list + '.length', Blockly.JavaScript.ORDER_LOGICAL_NOT];
-};
-
-Blockly.JavaScript['lists_indexOf'] = function(block) {
-  // Find an item in the list.
-  var operator = block.getFieldValue('END') == 'FIRST' ?
-      'indexOf' : 'lastIndexOf';
-  var item = Blockly.JavaScript.valueToCode(block, 'FIND',
-      Blockly.JavaScript.ORDER_NONE) || '\'\'';
-  var list = Blockly.JavaScript.valueToCode(block, 'VALUE',
-      Blockly.JavaScript.ORDER_MEMBER) || '[]';
-  var code = list + '.' + operator + '(' + item + ')';
-  if (block.workspace.options.oneBasedIndex) {
-    return [code + ' + 1', Blockly.JavaScript.ORDER_ADDITION];
-  }
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['lists_getIndex'] = function(block) {
-  // Get element at index.
-  // Note: Until January 2013 this block did not have MODE or WHERE inputs.
-  var mode = block.getFieldValue('MODE') || 'GET';
-  var where = block.getFieldValue('WHERE') || 'FROM_START';
-  var listOrder = (where == 'RANDOM') ? Blockly.JavaScript.ORDER_COMMA :
-      Blockly.JavaScript.ORDER_MEMBER;
-  var list = Blockly.JavaScript.valueToCode(block, 'VALUE', listOrder) || '[]';
-
-  switch (where) {
-    case ('FIRST'):
-      if (mode == 'GET') {
-        var code = list + '[0]';
-        return [code, Blockly.JavaScript.ORDER_MEMBER];
-      } else if (mode == 'GET_REMOVE') {
-        var code = list + '.shift()';
-        return [code, Blockly.JavaScript.ORDER_MEMBER];
-      } else if (mode == 'REMOVE') {
-        return list + '.shift();\n';
-      }
-      break;
-    case ('LAST'):
-      if (mode == 'GET') {
-        var code = list + '.slice(-1)[0]';
-        return [code, Blockly.JavaScript.ORDER_MEMBER];
-      } else if (mode == 'GET_REMOVE') {
-        var code = list + '.pop()';
-        return [code, Blockly.JavaScript.ORDER_MEMBER];
-      } else if (mode == 'REMOVE') {
-        return list + '.pop();\n';
-      }
-      break;
-    case ('FROM_START'):
-      var at = Blockly.JavaScript.getAdjusted(block, 'AT');
-      if (mode == 'GET') {
-        var code = list + '[' + at + ']';
-        return [code, Blockly.JavaScript.ORDER_MEMBER];
-      } else if (mode == 'GET_REMOVE') {
-        var code = list + '.splice(' + at + ', 1)[0]';
-        return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-      } else if (mode == 'REMOVE') {
-        return list + '.splice(' + at + ', 1);\n';
-      }
-      break;
-    case ('FROM_END'):
-      var at = Blockly.JavaScript.getAdjusted(block, 'AT', 1, true);
-      if (mode == 'GET') {
-        var code = list + '.slice(' + at + ')[0]';
-        return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-      } else if (mode == 'GET_REMOVE') {
-        var code = list + '.splice(' + at + ', 1)[0]';
-        return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-      } else if (mode == 'REMOVE') {
-        return list + '.splice(' + at + ', 1);';
-      }
-      break;
-    case ('RANDOM'):
-      var functionName = Blockly.JavaScript.provideFunction_(
-          'listsGetRandomItem',
-          ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-              '(list, remove) {',
-           '  var x = Math.floor(Math.random() * list.length);',
-           '  if (remove) {',
-           '    return list.splice(x, 1)[0];',
-           '  } else {',
-           '    return list[x];',
-           '  }',
-           '}']);
-      code = functionName + '(' + list + ', ' + (mode != 'GET') + ')';
-      if (mode == 'GET' || mode == 'GET_REMOVE') {
-        return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-      } else if (mode == 'REMOVE') {
-        return code + ';\n';
-      }
-      break;
-  }
-  throw Error('Unhandled combination (lists_getIndex).');
-};
-
-Blockly.JavaScript['lists_setIndex'] = function(block) {
-  // Set element at index.
-  // Note: Until February 2013 this block did not have MODE or WHERE inputs.
-  var list = Blockly.JavaScript.valueToCode(block, 'LIST',
-      Blockly.JavaScript.ORDER_MEMBER) || '[]';
-  var mode = block.getFieldValue('MODE') || 'GET';
-  var where = block.getFieldValue('WHERE') || 'FROM_START';
-  var value = Blockly.JavaScript.valueToCode(block, 'TO',
-      Blockly.JavaScript.ORDER_ASSIGNMENT) || 'null';
-  // Cache non-trivial values to variables to prevent repeated look-ups.
-  // Closure, which accesses and modifies 'list'.
-  function cacheList() {
-    if (list.match(/^\w+$/)) {
-      return '';
-    }
-    var listVar = Blockly.JavaScript.variableDB_.getDistinctName(
-        'tmpList', Blockly.VARIABLE_CATEGORY_NAME);
-    var code = 'var ' + listVar + ' = ' + list + ';\n';
-    list = listVar;
-    return code;
-  }
-  switch (where) {
-    case ('FIRST'):
-      if (mode == 'SET') {
-        return list + '[0] = ' + value + ';\n';
-      } else if (mode == 'INSERT') {
-        return list + '.unshift(' + value + ');\n';
-      }
-      break;
-    case ('LAST'):
-      if (mode == 'SET') {
-        var code = cacheList();
-        code += list + '[' + list + '.length - 1] = ' + value + ';\n';
-        return code;
-      } else if (mode == 'INSERT') {
-        return list + '.push(' + value + ');\n';
-      }
-      break;
-    case ('FROM_START'):
-      var at = Blockly.JavaScript.getAdjusted(block, 'AT');
-      if (mode == 'SET') {
-        return list + '[' + at + '] = ' + value + ';\n';
-      } else if (mode == 'INSERT') {
-        return list + '.splice(' + at + ', 0, ' + value + ');\n';
-      }
-      break;
-    case ('FROM_END'):
-      var at = Blockly.JavaScript.getAdjusted(block, 'AT', 1, false,
-          Blockly.JavaScript.ORDER_SUBTRACTION);
-      var code = cacheList();
-      if (mode == 'SET') {
-        code += list + '[' + list + '.length - ' + at + '] = ' + value + ';\n';
-        return code;
-      } else if (mode == 'INSERT') {
-        code += list + '.splice(' + list + '.length - ' + at + ', 0, ' + value +
-            ');\n';
-        return code;
-      }
-      break;
-    case ('RANDOM'):
-      var code = cacheList();
-      var xVar = Blockly.JavaScript.variableDB_.getDistinctName(
-          'tmpX', Blockly.VARIABLE_CATEGORY_NAME);
-      code += 'var ' + xVar + ' = Math.floor(Math.random() * ' + list +
-          '.length);\n';
-      if (mode == 'SET') {
-        code += list + '[' + xVar + '] = ' + value + ';\n';
-        return code;
-      } else if (mode == 'INSERT') {
-        code += list + '.splice(' + xVar + ', 0, ' + value + ');\n';
-        return code;
-      }
-      break;
-  }
-  throw Error('Unhandled combination (lists_setIndex).');
-};
-
-/**
- * Returns an expression calculating the index into a list.
- * @param {string} listName Name of the list, used to calculate length.
- * @param {string} where The method of indexing, selected by dropdown in Blockly
- * @param {string=} opt_at The optional offset when indexing from start/end.
- * @return {string|undefined} Index expression.
- * @private
- */
-Blockly.JavaScript.lists.getIndex_ = function(listName, where, opt_at) {
-  if (where == 'FIRST') {
-    return '0';
-  } else if (where == 'FROM_END') {
-    return listName + '.length - 1 - ' + opt_at;
-  } else if (where == 'LAST') {
-    return listName + '.length - 1';
-  } else {
-    return opt_at;
-  }
-};
-
-Blockly.JavaScript['lists_getSublist'] = function(block) {
-  // Get sublist.
-  var list = Blockly.JavaScript.valueToCode(block, 'LIST',
-      Blockly.JavaScript.ORDER_MEMBER) || '[]';
-  var where1 = block.getFieldValue('WHERE1');
-  var where2 = block.getFieldValue('WHERE2');
-  if (where1 == 'FIRST' && where2 == 'LAST') {
-    var code = list + '.slice(0)';
-  } else if (list.match(/^\w+$/) ||
-      (where1 != 'FROM_END' && where2 == 'FROM_START')) {
-    // If the list is a variable or doesn't require a call for length, don't
-    // generate a helper function.
-    switch (where1) {
-      case 'FROM_START':
-        var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
-        break;
-      case 'FROM_END':
-        var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1', 1, false,
-            Blockly.JavaScript.ORDER_SUBTRACTION);
-        at1 = list + '.length - ' + at1;
-        break;
-      case 'FIRST':
-        var at1 = '0';
-        break;
-      default:
-        throw Error('Unhandled option (lists_getSublist).');
-    }
-    switch (where2) {
-      case 'FROM_START':
-        var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 1);
-        break;
-      case 'FROM_END':
-        var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 0, false,
-            Blockly.JavaScript.ORDER_SUBTRACTION);
-        at2 = list + '.length - ' + at2;
-        break;
-      case 'LAST':
-        var at2 = list + '.length';
-        break;
-      default:
-        throw Error('Unhandled option (lists_getSublist).');
-    }
-    code = list + '.slice(' + at1 + ', ' + at2 + ')';
-  } else {
-    var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
-    var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2');
-    var getIndex_ = Blockly.JavaScript.lists.getIndex_;
-    var wherePascalCase = {'FIRST': 'First', 'LAST': 'Last',
-        'FROM_START': 'FromStart', 'FROM_END': 'FromEnd'};
-    var functionName = Blockly.JavaScript.provideFunction_(
-        'subsequence' + wherePascalCase[where1] + wherePascalCase[where2],
-        ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-            '(sequence' +
-            // The value for 'FROM_END' and'FROM_START' depends on `at` so
-            // we add it as a parameter.
-            ((where1 == 'FROM_END' || where1 == 'FROM_START') ? ', at1' : '') +
-            ((where2 == 'FROM_END' || where2 == 'FROM_START') ? ', at2' : '') +
-            ') {',
-          '  var start = ' + getIndex_('sequence', where1, 'at1') + ';',
-          '  var end = ' + getIndex_('sequence', where2, 'at2') + ' + 1;',
-          '  return sequence.slice(start, end);',
-          '}']);
-    var code = functionName + '(' + list +
-        // The value for 'FROM_END' and 'FROM_START' depends on `at` so we
-        // pass it.
-        ((where1 == 'FROM_END' || where1 == 'FROM_START') ? ', ' + at1 : '') +
-        ((where2 == 'FROM_END' || where2 == 'FROM_START') ? ', ' + at2 : '') +
-        ')';
-  }
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['lists_sort'] = function(block) {
-  // Block for sorting a list.
-  var list = Blockly.JavaScript.valueToCode(block, 'LIST',
-      Blockly.JavaScript.ORDER_FUNCTION_CALL) || '[]';
-  var direction = block.getFieldValue('DIRECTION') === '1' ? 1 : -1;
-  var type = block.getFieldValue('TYPE');
-  var getCompareFunctionName = Blockly.JavaScript.provideFunction_(
-      'listsGetSortCompare',
-      ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-          '(type, direction) {',
-       '  var compareFuncs = {',
-       '    "NUMERIC": function(a, b) {',
-       '        return Number(a) - Number(b); },',
-       '    "TEXT": function(a, b) {',
-       '        return a.toString() > b.toString() ? 1 : -1; },',
-       '    "IGNORE_CASE": function(a, b) {',
-       '        return a.toString().toLowerCase() > ' +
-          'b.toString().toLowerCase() ? 1 : -1; },',
-       '  };',
-       '  var compare = compareFuncs[type];',
-       '  return function(a, b) { return compare(a, b) * direction; }',
-       '}']);
-  return [list + '.slice().sort(' +
-      getCompareFunctionName + '("' + type + '", ' + direction + '))',
-      Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['lists_split'] = function(block) {
-  // Block for splitting text into a list, or joining a list into text.
-  var input = Blockly.JavaScript.valueToCode(block, 'INPUT',
-      Blockly.JavaScript.ORDER_MEMBER);
-  var delimiter = Blockly.JavaScript.valueToCode(block, 'DELIM',
-      Blockly.JavaScript.ORDER_NONE) || '\'\'';
-  var mode = block.getFieldValue('MODE');
-  if (mode == 'SPLIT') {
-    if (!input) {
-      input = '\'\'';
-    }
-    var functionName = 'split';
-  } else if (mode == 'JOIN') {
-    if (!input) {
-      input = '[]';
-    }
-    var functionName = 'join';
-  } else {
-    throw Error('Unknown mode: ' + mode);
-  }
-  var code = input + '.' + functionName + '(' + delimiter + ')';
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['lists_reverse'] = function(block) {
-  // Block for reversing a list.
-  var list = Blockly.JavaScript.valueToCode(block, 'LIST',
-      Blockly.JavaScript.ORDER_FUNCTION_CALL) || '[]';
-  var code = list + '.slice().reverse()';
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
diff --git a/generators/javascript/lists.ts b/generators/javascript/lists.ts
new file mode 100644
index 00000000000..bbed5231b56
--- /dev/null
+++ b/generators/javascript/lists.ts
@@ -0,0 +1,465 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating JavaScript for list blocks.
+ */
+
+// Former goog.module ID: Blockly.JavaScript.lists
+
+import type {Block} from '../../core/block.js';
+import type {CreateWithBlock} from '../../blocks/lists.js';
+import type {JavascriptGenerator} from './javascript_generator.js';
+import {NameType} from '../../core/names.js';
+import {Order} from './javascript_generator.js';
+
+export function lists_create_empty(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Create an empty list.
+  return ['[]', Order.ATOMIC];
+}
+
+export function lists_create_with(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Create a list with any number of elements of any type.
+  const createWithBlock = block as CreateWithBlock;
+  const elements = new Array(createWithBlock.itemCount_);
+  for (let i = 0; i < createWithBlock.itemCount_; i++) {
+    elements[i] = generator.valueToCode(block, 'ADD' + i, Order.NONE) || 'null';
+  }
+  const code = '[' + elements.join(', ') + ']';
+  return [code, Order.ATOMIC];
+}
+
+export function lists_repeat(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Create a list with one element repeated.
+  const functionName = generator.provideFunction_(
+    'listsRepeat',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(value, n) {
+  var array = [];
+  for (var i = 0; i < n; i++) {
+    array[i] = value;
+  }
+  return array;
+}
+`,
+  );
+  const element = generator.valueToCode(block, 'ITEM', Order.NONE) || 'null';
+  const repeatCount = generator.valueToCode(block, 'NUM', Order.NONE) || '0';
+  const code = functionName + '(' + element + ', ' + repeatCount + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function lists_length(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // String or array length.
+  const list = generator.valueToCode(block, 'VALUE', Order.MEMBER) || '[]';
+  return [list + '.length', Order.MEMBER];
+}
+
+export function lists_isEmpty(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Is the string null or array empty?
+  const list = generator.valueToCode(block, 'VALUE', Order.MEMBER) || '[]';
+  return ['!' + list + '.length', Order.LOGICAL_NOT];
+}
+
+export function lists_indexOf(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Find an item in the list.
+  const operator =
+    block.getFieldValue('END') === 'FIRST' ? 'indexOf' : 'lastIndexOf';
+  const item = generator.valueToCode(block, 'FIND', Order.NONE) || "''";
+  const list = generator.valueToCode(block, 'VALUE', Order.MEMBER) || '[]';
+  const code = list + '.' + operator + '(' + item + ')';
+  if (block.workspace.options.oneBasedIndex) {
+    return [code + ' + 1', Order.ADDITION];
+  }
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function lists_getIndex(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] | string {
+  // Get element at index.
+  // Note: Until January 2013 this block did not have MODE or WHERE inputs.
+  const mode = block.getFieldValue('MODE') || 'GET';
+  const where = block.getFieldValue('WHERE') || 'FROM_START';
+  const listOrder = where === 'RANDOM' ? Order.NONE : Order.MEMBER;
+  const list = generator.valueToCode(block, 'VALUE', listOrder) || '[]';
+
+  switch (where) {
+    case 'FIRST':
+      if (mode === 'GET') {
+        const code = list + '[0]';
+        return [code, Order.MEMBER];
+      } else if (mode === 'GET_REMOVE') {
+        const code = list + '.shift()';
+        return [code, Order.MEMBER];
+      } else if (mode === 'REMOVE') {
+        return list + '.shift();\n';
+      }
+      break;
+    case 'LAST':
+      if (mode === 'GET') {
+        const code = list + '.slice(-1)[0]';
+        return [code, Order.MEMBER];
+      } else if (mode === 'GET_REMOVE') {
+        const code = list + '.pop()';
+        return [code, Order.MEMBER];
+      } else if (mode === 'REMOVE') {
+        return list + '.pop();\n';
+      }
+      break;
+    case 'FROM_START': {
+      const at = generator.getAdjusted(block, 'AT');
+      if (mode === 'GET') {
+        const code = list + '[' + at + ']';
+        return [code, Order.MEMBER];
+      } else if (mode === 'GET_REMOVE') {
+        const code = list + '.splice(' + at + ', 1)[0]';
+        return [code, Order.FUNCTION_CALL];
+      } else if (mode === 'REMOVE') {
+        return list + '.splice(' + at + ', 1);\n';
+      }
+      break;
+    }
+    case 'FROM_END': {
+      const at = generator.getAdjusted(block, 'AT', 1, true);
+      if (mode === 'GET') {
+        const code = list + '.slice(' + at + ')[0]';
+        return [code, Order.FUNCTION_CALL];
+      } else if (mode === 'GET_REMOVE') {
+        const code = list + '.splice(' + at + ', 1)[0]';
+        return [code, Order.FUNCTION_CALL];
+      } else if (mode === 'REMOVE') {
+        return list + '.splice(' + at + ', 1);';
+      }
+      break;
+    }
+    case 'RANDOM': {
+      const functionName = generator.provideFunction_(
+        'listsGetRandomItem',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(list, remove) {
+  var x = Math.floor(Math.random() * list.length);
+  if (remove) {
+    return list.splice(x, 1)[0];
+  } else {
+    return list[x];
+  }
+}
+`,
+      );
+      const code = functionName + '(' + list + ', ' + (mode !== 'GET') + ')';
+      if (mode === 'GET' || mode === 'GET_REMOVE') {
+        return [code, Order.FUNCTION_CALL];
+      } else if (mode === 'REMOVE') {
+        return code + ';\n';
+      }
+      break;
+    }
+  }
+  throw Error('Unhandled combination (lists_getIndex).');
+}
+
+export function lists_setIndex(block: Block, generator: JavascriptGenerator) {
+  // Set element at index.
+  // Note: Until February 2013 this block did not have MODE or WHERE inputs.
+  let list = generator.valueToCode(block, 'LIST', Order.MEMBER) || '[]';
+  const mode = block.getFieldValue('MODE') || 'GET';
+  const where = block.getFieldValue('WHERE') || 'FROM_START';
+  const value = generator.valueToCode(block, 'TO', Order.ASSIGNMENT) || 'null';
+  // Cache non-trivial values to variables to prevent repeated look-ups.
+  // Closure, which accesses and modifies 'list'.
+  function cacheList() {
+    if (list.match(/^\w+$/)) {
+      return '';
+    }
+    const listVar = generator.nameDB_!.getDistinctName(
+      'tmpList',
+      NameType.VARIABLE,
+    )!;
+    const code = 'var ' + listVar + ' = ' + list + ';\n';
+    list = listVar;
+    return code;
+  }
+  switch (where) {
+    case 'FIRST':
+      if (mode === 'SET') {
+        return list + '[0] = ' + value + ';\n';
+      } else if (mode === 'INSERT') {
+        return list + '.unshift(' + value + ');\n';
+      }
+      break;
+    case 'LAST':
+      if (mode === 'SET') {
+        let code = cacheList();
+        code += list + '[' + list + '.length - 1] = ' + value + ';\n';
+        return code;
+      } else if (mode === 'INSERT') {
+        return list + '.push(' + value + ');\n';
+      }
+      break;
+    case 'FROM_START': {
+      const at = generator.getAdjusted(block, 'AT');
+      if (mode === 'SET') {
+        return list + '[' + at + '] = ' + value + ';\n';
+      } else if (mode === 'INSERT') {
+        return list + '.splice(' + at + ', 0, ' + value + ');\n';
+      }
+      break;
+    }
+    case 'FROM_END': {
+      const at = generator.getAdjusted(
+        block,
+        'AT',
+        1,
+        false,
+        Order.SUBTRACTION,
+      );
+      let code = cacheList();
+      if (mode === 'SET') {
+        code += list + '[' + list + '.length - ' + at + '] = ' + value + ';\n';
+        return code;
+      } else if (mode === 'INSERT') {
+        code +=
+          list +
+          '.splice(' +
+          list +
+          '.length - ' +
+          at +
+          ', 0, ' +
+          value +
+          ');\n';
+        return code;
+      }
+      break;
+    }
+    case 'RANDOM': {
+      let code = cacheList();
+      const xVar = generator.nameDB_!.getDistinctName(
+        'tmpX',
+        NameType.VARIABLE,
+      );
+      code +=
+        'var ' + xVar + ' = Math.floor(Math.random() * ' + list + '.length);\n';
+      if (mode === 'SET') {
+        code += list + '[' + xVar + '] = ' + value + ';\n';
+        return code;
+      } else if (mode === 'INSERT') {
+        code += list + '.splice(' + xVar + ', 0, ' + value + ');\n';
+        return code;
+      }
+      break;
+    }
+  }
+  throw Error('Unhandled combination (lists_setIndex).');
+}
+
+/**
+ * Returns an expression calculating the index into a list.
+ * @param listName Name of the list, used to calculate length.
+ * @param where The method of indexing, selected by dropdown in Blockly
+ * @param opt_at The optional offset when indexing from start/end.
+ * @returns Index expression.
+ */
+const getSubstringIndex = function (
+  listName: string,
+  where: string,
+  opt_at?: string,
+): string | undefined {
+  if (where === 'FIRST') {
+    return '0';
+  } else if (where === 'FROM_END') {
+    return listName + '.length - 1 - ' + opt_at;
+  } else if (where === 'LAST') {
+    return listName + '.length - 1';
+  } else {
+    return opt_at;
+  }
+};
+
+export function lists_getSublist(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Get sublist.
+  // Dictionary of WHEREn field choices and their CamelCase equivalents.
+  const wherePascalCase = {
+    'FIRST': 'First',
+    'LAST': 'Last',
+    'FROM_START': 'FromStart',
+    'FROM_END': 'FromEnd',
+  };
+  type WhereOption = keyof typeof wherePascalCase;
+  const list = generator.valueToCode(block, 'LIST', Order.MEMBER) || '[]';
+  const where1 = block.getFieldValue('WHERE1') as WhereOption;
+  const where2 = block.getFieldValue('WHERE2') as WhereOption;
+  let code;
+  if (where1 === 'FIRST' && where2 === 'LAST') {
+    code = list + '.slice(0)';
+  } else if (
+    list.match(/^\w+$/) ||
+    (where1 !== 'FROM_END' && where2 === 'FROM_START')
+  ) {
+    // If the list is a variable or doesn't require a call for length, don't
+    // generate a helper function.
+    let at1;
+    switch (where1) {
+      case 'FROM_START':
+        at1 = generator.getAdjusted(block, 'AT1');
+        break;
+      case 'FROM_END':
+        at1 = generator.getAdjusted(block, 'AT1', 1, false, Order.SUBTRACTION);
+        at1 = list + '.length - ' + at1;
+        break;
+      case 'FIRST':
+        at1 = '0';
+        break;
+      default:
+        throw Error('Unhandled option (lists_getSublist).');
+    }
+    let at2;
+    switch (where2) {
+      case 'FROM_START':
+        at2 = generator.getAdjusted(block, 'AT2', 1);
+        break;
+      case 'FROM_END':
+        at2 = generator.getAdjusted(block, 'AT2', 0, false, Order.SUBTRACTION);
+        at2 = list + '.length - ' + at2;
+        break;
+      case 'LAST':
+        at2 = list + '.length';
+        break;
+      default:
+        throw Error('Unhandled option (lists_getSublist).');
+    }
+    code = list + '.slice(' + at1 + ', ' + at2 + ')';
+  } else {
+    const at1 = generator.getAdjusted(block, 'AT1');
+    const at2 = generator.getAdjusted(block, 'AT2');
+    // The value for 'FROM_END' and'FROM_START' depends on `at` so
+    // we add it as a parameter.
+    const at1Param =
+      where1 === 'FROM_END' || where1 === 'FROM_START' ? ', at1' : '';
+    const at2Param =
+      where2 === 'FROM_END' || where2 === 'FROM_START' ? ', at2' : '';
+    const functionName = generator.provideFunction_(
+      'subsequence' + wherePascalCase[where1] + wherePascalCase[where2],
+      `
+function ${
+        generator.FUNCTION_NAME_PLACEHOLDER_
+      }(sequence${at1Param}${at2Param}) {
+  var start = ${getSubstringIndex('sequence', where1, 'at1')};
+  var end = ${getSubstringIndex('sequence', where2, 'at2')} + 1;
+  return sequence.slice(start, end);
+}
+`,
+    );
+    code =
+      functionName +
+      '(' +
+      list +
+      // The value for 'FROM_END' and 'FROM_START' depends on `at` so we
+      // pass it.
+      (where1 === 'FROM_END' || where1 === 'FROM_START' ? ', ' + at1 : '') +
+      (where2 === 'FROM_END' || where2 === 'FROM_START' ? ', ' + at2 : '') +
+      ')';
+  }
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function lists_sort(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Block for sorting a list.
+  const list =
+    generator.valueToCode(block, 'LIST', Order.FUNCTION_CALL) || '[]';
+  const direction = block.getFieldValue('DIRECTION') === '1' ? 1 : -1;
+  const type = block.getFieldValue('TYPE');
+  const getCompareFunctionName = generator.provideFunction_(
+    'listsGetSortCompare',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(type, direction) {
+  var compareFuncs = {
+    'NUMERIC': function(a, b) {
+        return Number(a) - Number(b); },
+    'TEXT': function(a, b) {
+        return String(a) > String(b) ? 1 : -1; },
+    'IGNORE_CASE': function(a, b) {
+        return String(a).toLowerCase() > String(b).toLowerCase() ? 1 : -1; },
+  };
+  var compare = compareFuncs[type];
+  return function(a, b) { return compare(a, b) * direction; };
+}
+      `,
+  );
+  return [
+    list +
+      '.slice().sort(' +
+      getCompareFunctionName +
+      '("' +
+      type +
+      '", ' +
+      direction +
+      '))',
+    Order.FUNCTION_CALL,
+  ];
+}
+
+export function lists_split(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Block for splitting text into a list, or joining a list into text.
+  let input = generator.valueToCode(block, 'INPUT', Order.MEMBER);
+  const delimiter = generator.valueToCode(block, 'DELIM', Order.NONE) || "''";
+  const mode = block.getFieldValue('MODE');
+  let functionName;
+  if (mode === 'SPLIT') {
+    if (!input) {
+      input = "''";
+    }
+    functionName = 'split';
+  } else if (mode === 'JOIN') {
+    if (!input) {
+      input = '[]';
+    }
+    functionName = 'join';
+  } else {
+    throw Error('Unknown mode: ' + mode);
+  }
+  const code = input + '.' + functionName + '(' + delimiter + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function lists_reverse(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Block for reversing a list.
+  const list =
+    generator.valueToCode(block, 'LIST', Order.FUNCTION_CALL) || '[]';
+  const code = list + '.slice().reverse()';
+  return [code, Order.FUNCTION_CALL];
+}
diff --git a/generators/javascript/logic.js b/generators/javascript/logic.js
deleted file mode 100644
index de7b4204953..00000000000
--- a/generators/javascript/logic.js
+++ /dev/null
@@ -1,129 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating JavaScript for logic blocks.
- * @author q.neutron@gmail.com (Quynh Neutron)
- */
-'use strict';
-
-goog.provide('Blockly.JavaScript.logic');
-
-goog.require('Blockly.JavaScript');
-
-
-Blockly.JavaScript['controls_if'] = function(block) {
-  // If/elseif/else condition.
-  var n = 0;
-  var code = '', branchCode, conditionCode;
-  if (Blockly.JavaScript.STATEMENT_PREFIX) {
-    // Automatic prefix insertion is switched off for this block.  Add manually.
-    code += Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_PREFIX,
-        block);
-  }
-  do {
-    conditionCode = Blockly.JavaScript.valueToCode(block, 'IF' + n,
-        Blockly.JavaScript.ORDER_NONE) || 'false';
-    branchCode = Blockly.JavaScript.statementToCode(block, 'DO' + n);
-    if (Blockly.JavaScript.STATEMENT_SUFFIX) {
-      branchCode = Blockly.JavaScript.prefixLines(
-          Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_SUFFIX,
-          block), Blockly.JavaScript.INDENT) + branchCode;
-    }
-    code += (n > 0 ? ' else ' : '') +
-        'if (' + conditionCode + ') {\n' + branchCode + '}';
-    ++n;
-  } while (block.getInput('IF' + n));
-
-  if (block.getInput('ELSE') || Blockly.JavaScript.STATEMENT_SUFFIX) {
-    branchCode = Blockly.JavaScript.statementToCode(block, 'ELSE');
-    if (Blockly.JavaScript.STATEMENT_SUFFIX) {
-      branchCode = Blockly.JavaScript.prefixLines(
-          Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_SUFFIX,
-          block), Blockly.JavaScript.INDENT) + branchCode;
-    }
-    code += ' else {\n' + branchCode + '}';
-  }
-  return code + '\n';
-};
-
-Blockly.JavaScript['controls_ifelse'] = Blockly.JavaScript['controls_if'];
-
-Blockly.JavaScript['logic_compare'] = function(block) {
-  // Comparison operator.
-  var OPERATORS = {
-    'EQ': '==',
-    'NEQ': '!=',
-    'LT': '<',
-    'LTE': '<=',
-    'GT': '>',
-    'GTE': '>='
-  };
-  var operator = OPERATORS[block.getFieldValue('OP')];
-  var order = (operator == '==' || operator == '!=') ?
-      Blockly.JavaScript.ORDER_EQUALITY : Blockly.JavaScript.ORDER_RELATIONAL;
-  var argument0 = Blockly.JavaScript.valueToCode(block, 'A', order) || '0';
-  var argument1 = Blockly.JavaScript.valueToCode(block, 'B', order) || '0';
-  var code = argument0 + ' ' + operator + ' ' + argument1;
-  return [code, order];
-};
-
-Blockly.JavaScript['logic_operation'] = function(block) {
-  // Operations 'and', 'or'.
-  var operator = (block.getFieldValue('OP') == 'AND') ? '&&' : '||';
-  var order = (operator == '&&') ? Blockly.JavaScript.ORDER_LOGICAL_AND :
-      Blockly.JavaScript.ORDER_LOGICAL_OR;
-  var argument0 = Blockly.JavaScript.valueToCode(block, 'A', order);
-  var argument1 = Blockly.JavaScript.valueToCode(block, 'B', order);
-  if (!argument0 && !argument1) {
-    // If there are no arguments, then the return value is false.
-    argument0 = 'false';
-    argument1 = 'false';
-  } else {
-    // Single missing arguments have no effect on the return value.
-    var defaultArgument = (operator == '&&') ? 'true' : 'false';
-    if (!argument0) {
-      argument0 = defaultArgument;
-    }
-    if (!argument1) {
-      argument1 = defaultArgument;
-    }
-  }
-  var code = argument0 + ' ' + operator + ' ' + argument1;
-  return [code, order];
-};
-
-Blockly.JavaScript['logic_negate'] = function(block) {
-  // Negation.
-  var order = Blockly.JavaScript.ORDER_LOGICAL_NOT;
-  var argument0 = Blockly.JavaScript.valueToCode(block, 'BOOL', order) ||
-      'true';
-  var code = '!' + argument0;
-  return [code, order];
-};
-
-Blockly.JavaScript['logic_boolean'] = function(block) {
-  // Boolean values true and false.
-  var code = (block.getFieldValue('BOOL') == 'TRUE') ? 'true' : 'false';
-  return [code, Blockly.JavaScript.ORDER_ATOMIC];
-};
-
-Blockly.JavaScript['logic_null'] = function(block) {
-  // Null data type.
-  return ['null', Blockly.JavaScript.ORDER_ATOMIC];
-};
-
-Blockly.JavaScript['logic_ternary'] = function(block) {
-  // Ternary operator.
-  var value_if = Blockly.JavaScript.valueToCode(block, 'IF',
-      Blockly.JavaScript.ORDER_CONDITIONAL) || 'false';
-  var value_then = Blockly.JavaScript.valueToCode(block, 'THEN',
-      Blockly.JavaScript.ORDER_CONDITIONAL) || 'null';
-  var value_else = Blockly.JavaScript.valueToCode(block, 'ELSE',
-      Blockly.JavaScript.ORDER_CONDITIONAL) || 'null';
-  var code = value_if + ' ? ' + value_then + ' : ' + value_else;
-  return [code, Blockly.JavaScript.ORDER_CONDITIONAL];
-};
diff --git a/generators/javascript/logic.ts b/generators/javascript/logic.ts
new file mode 100644
index 00000000000..60174c85a4a
--- /dev/null
+++ b/generators/javascript/logic.ts
@@ -0,0 +1,153 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating JavaScript for logic blocks.
+ */
+
+// Former goog.module ID: Blockly.JavaScript.logic
+
+import type {Block} from '../../core/block.js';
+import type {JavascriptGenerator} from './javascript_generator.js';
+import {Order} from './javascript_generator.js';
+
+export function controls_if(block: Block, generator: JavascriptGenerator) {
+  // If/elseif/else condition.
+  let n = 0;
+  let code = '';
+  if (generator.STATEMENT_PREFIX) {
+    // Automatic prefix insertion is switched off for this block.  Add manually.
+    code += generator.injectId(generator.STATEMENT_PREFIX, block);
+  }
+  do {
+    const conditionCode =
+      generator.valueToCode(block, 'IF' + n, Order.NONE) || 'false';
+    let branchCode = generator.statementToCode(block, 'DO' + n);
+    if (generator.STATEMENT_SUFFIX) {
+      branchCode =
+        generator.prefixLines(
+          generator.injectId(generator.STATEMENT_SUFFIX, block),
+          generator.INDENT,
+        ) + branchCode;
+    }
+    code +=
+      (n > 0 ? ' else ' : '') +
+      'if (' +
+      conditionCode +
+      ') {\n' +
+      branchCode +
+      '}';
+    n++;
+  } while (block.getInput('IF' + n));
+
+  if (block.getInput('ELSE') || generator.STATEMENT_SUFFIX) {
+    let branchCode = generator.statementToCode(block, 'ELSE');
+    if (generator.STATEMENT_SUFFIX) {
+      branchCode =
+        generator.prefixLines(
+          generator.injectId(generator.STATEMENT_SUFFIX, block),
+          generator.INDENT,
+        ) + branchCode;
+    }
+    code += ' else {\n' + branchCode + '}';
+  }
+  return code + '\n';
+}
+
+export const controls_ifelse = controls_if;
+
+export function logic_compare(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Comparison operator.
+  const OPERATORS = {
+    'EQ': '==',
+    'NEQ': '!=',
+    'LT': '<',
+    'LTE': '<=',
+    'GT': '>',
+    'GTE': '>=',
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const operator = OPERATORS[block.getFieldValue('OP') as OperatorOption];
+  const order =
+    operator === '==' || operator === '!=' ? Order.EQUALITY : Order.RELATIONAL;
+  const argument0 = generator.valueToCode(block, 'A', order) || '0';
+  const argument1 = generator.valueToCode(block, 'B', order) || '0';
+  const code = argument0 + ' ' + operator + ' ' + argument1;
+  return [code, order];
+}
+
+export function logic_operation(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Operations 'and', 'or'.
+  const operator = block.getFieldValue('OP') === 'AND' ? '&&' : '||';
+  const order = operator === '&&' ? Order.LOGICAL_AND : Order.LOGICAL_OR;
+  let argument0 = generator.valueToCode(block, 'A', order);
+  let argument1 = generator.valueToCode(block, 'B', order);
+  if (!argument0 && !argument1) {
+    // If there are no arguments, then the return value is false.
+    argument0 = 'false';
+    argument1 = 'false';
+  } else {
+    // Single missing arguments have no effect on the return value.
+    const defaultArgument = operator === '&&' ? 'true' : 'false';
+    if (!argument0) {
+      argument0 = defaultArgument;
+    }
+    if (!argument1) {
+      argument1 = defaultArgument;
+    }
+  }
+  const code = argument0 + ' ' + operator + ' ' + argument1;
+  return [code, order];
+}
+
+export function logic_negate(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Negation.
+  const order = Order.LOGICAL_NOT;
+  const argument0 = generator.valueToCode(block, 'BOOL', order) || 'true';
+  const code = '!' + argument0;
+  return [code, order];
+}
+
+export function logic_boolean(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Boolean values true and false.
+  const code = block.getFieldValue('BOOL') === 'TRUE' ? 'true' : 'false';
+  return [code, Order.ATOMIC];
+}
+
+export function logic_null(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Null data type.
+  return ['null', Order.ATOMIC];
+}
+
+export function logic_ternary(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Ternary operator.
+  const value_if =
+    generator.valueToCode(block, 'IF', Order.CONDITIONAL) || 'false';
+  const value_then =
+    generator.valueToCode(block, 'THEN', Order.CONDITIONAL) || 'null';
+  const value_else =
+    generator.valueToCode(block, 'ELSE', Order.CONDITIONAL) || 'null';
+  const code = value_if + ' ? ' + value_then + ' : ' + value_else;
+  return [code, Order.CONDITIONAL];
+}
diff --git a/generators/javascript/loops.js b/generators/javascript/loops.js
deleted file mode 100644
index 595906f84bd..00000000000
--- a/generators/javascript/loops.js
+++ /dev/null
@@ -1,184 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating JavaScript for loop blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.JavaScript.loops');
-
-goog.require('Blockly.JavaScript');
-
-
-Blockly.JavaScript['controls_repeat_ext'] = function(block) {
-  // Repeat n times.
-  if (block.getField('TIMES')) {
-    // Internal number.
-    var repeats = String(Number(block.getFieldValue('TIMES')));
-  } else {
-    // External number.
-    var repeats = Blockly.JavaScript.valueToCode(block, 'TIMES',
-        Blockly.JavaScript.ORDER_ASSIGNMENT) || '0';
-  }
-  var branch = Blockly.JavaScript.statementToCode(block, 'DO');
-  branch = Blockly.JavaScript.addLoopTrap(branch, block);
-  var code = '';
-  var loopVar = Blockly.JavaScript.variableDB_.getDistinctName(
-      'count', Blockly.VARIABLE_CATEGORY_NAME);
-  var endVar = repeats;
-  if (!repeats.match(/^\w+$/) && !Blockly.isNumber(repeats)) {
-    endVar = Blockly.JavaScript.variableDB_.getDistinctName(
-        'repeat_end', Blockly.VARIABLE_CATEGORY_NAME);
-    code += 'var ' + endVar + ' = ' + repeats + ';\n';
-  }
-  code += 'for (var ' + loopVar + ' = 0; ' +
-      loopVar + ' < ' + endVar + '; ' +
-      loopVar + '++) {\n' +
-      branch + '}\n';
-  return code;
-};
-
-Blockly.JavaScript['controls_repeat'] =
-    Blockly.JavaScript['controls_repeat_ext'];
-
-Blockly.JavaScript['controls_whileUntil'] = function(block) {
-  // Do while/until loop.
-  var until = block.getFieldValue('MODE') == 'UNTIL';
-  var argument0 = Blockly.JavaScript.valueToCode(block, 'BOOL',
-      until ? Blockly.JavaScript.ORDER_LOGICAL_NOT :
-      Blockly.JavaScript.ORDER_NONE) || 'false';
-  var branch = Blockly.JavaScript.statementToCode(block, 'DO');
-  branch = Blockly.JavaScript.addLoopTrap(branch, block);
-  if (until) {
-    argument0 = '!' + argument0;
-  }
-  return 'while (' + argument0 + ') {\n' + branch + '}\n';
-};
-
-Blockly.JavaScript['controls_for'] = function(block) {
-  // For loop.
-  var variable0 = Blockly.JavaScript.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  var argument0 = Blockly.JavaScript.valueToCode(block, 'FROM',
-      Blockly.JavaScript.ORDER_ASSIGNMENT) || '0';
-  var argument1 = Blockly.JavaScript.valueToCode(block, 'TO',
-      Blockly.JavaScript.ORDER_ASSIGNMENT) || '0';
-  var increment = Blockly.JavaScript.valueToCode(block, 'BY',
-      Blockly.JavaScript.ORDER_ASSIGNMENT) || '1';
-  var branch = Blockly.JavaScript.statementToCode(block, 'DO');
-  branch = Blockly.JavaScript.addLoopTrap(branch, block);
-  var code;
-  if (Blockly.isNumber(argument0) && Blockly.isNumber(argument1) &&
-      Blockly.isNumber(increment)) {
-    // All arguments are simple numbers.
-    var up = Number(argument0) <= Number(argument1);
-    code = 'for (' + variable0 + ' = ' + argument0 + '; ' +
-        variable0 + (up ? ' <= ' : ' >= ') + argument1 + '; ' +
-        variable0;
-    var step = Math.abs(Number(increment));
-    if (step == 1) {
-      code += up ? '++' : '--';
-    } else {
-      code += (up ? ' += ' : ' -= ') + step;
-    }
-    code += ') {\n' + branch + '}\n';
-  } else {
-    code = '';
-    // Cache non-trivial values to variables to prevent repeated look-ups.
-    var startVar = argument0;
-    if (!argument0.match(/^\w+$/) && !Blockly.isNumber(argument0)) {
-      startVar = Blockly.JavaScript.variableDB_.getDistinctName(
-          variable0 + '_start', Blockly.VARIABLE_CATEGORY_NAME);
-      code += 'var ' + startVar + ' = ' + argument0 + ';\n';
-    }
-    var endVar = argument1;
-    if (!argument1.match(/^\w+$/) && !Blockly.isNumber(argument1)) {
-      endVar = Blockly.JavaScript.variableDB_.getDistinctName(
-          variable0 + '_end', Blockly.VARIABLE_CATEGORY_NAME);
-      code += 'var ' + endVar + ' = ' + argument1 + ';\n';
-    }
-    // Determine loop direction at start, in case one of the bounds
-    // changes during loop execution.
-    var incVar = Blockly.JavaScript.variableDB_.getDistinctName(
-        variable0 + '_inc', Blockly.VARIABLE_CATEGORY_NAME);
-    code += 'var ' + incVar + ' = ';
-    if (Blockly.isNumber(increment)) {
-      code += Math.abs(increment) + ';\n';
-    } else {
-      code += 'Math.abs(' + increment + ');\n';
-    }
-    code += 'if (' + startVar + ' > ' + endVar + ') {\n';
-    code += Blockly.JavaScript.INDENT + incVar + ' = -' + incVar + ';\n';
-    code += '}\n';
-    code += 'for (' + variable0 + ' = ' + startVar + '; ' +
-        incVar + ' >= 0 ? ' +
-        variable0 + ' <= ' + endVar + ' : ' +
-        variable0 + ' >= ' + endVar + '; ' +
-        variable0 + ' += ' + incVar + ') {\n' +
-        branch + '}\n';
-  }
-  return code;
-};
-
-Blockly.JavaScript['controls_forEach'] = function(block) {
-  // For each loop.
-  var variable0 = Blockly.JavaScript.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  var argument0 = Blockly.JavaScript.valueToCode(block, 'LIST',
-      Blockly.JavaScript.ORDER_ASSIGNMENT) || '[]';
-  var branch = Blockly.JavaScript.statementToCode(block, 'DO');
-  branch = Blockly.JavaScript.addLoopTrap(branch, block);
-  var code = '';
-  // Cache non-trivial values to variables to prevent repeated look-ups.
-  var listVar = argument0;
-  if (!argument0.match(/^\w+$/)) {
-    listVar = Blockly.JavaScript.variableDB_.getDistinctName(
-        variable0 + '_list', Blockly.VARIABLE_CATEGORY_NAME);
-    code += 'var ' + listVar + ' = ' + argument0 + ';\n';
-  }
-  var indexVar = Blockly.JavaScript.variableDB_.getDistinctName(
-      variable0 + '_index', Blockly.VARIABLE_CATEGORY_NAME);
-  branch = Blockly.JavaScript.INDENT + variable0 + ' = ' +
-      listVar + '[' + indexVar + '];\n' + branch;
-  code += 'for (var ' + indexVar + ' in ' + listVar + ') {\n' + branch + '}\n';
-  return code;
-};
-
-Blockly.JavaScript['controls_flow_statements'] = function(block) {
-  // Flow statements: continue, break.
-  var xfix = '';
-  if (Blockly.JavaScript.STATEMENT_PREFIX) {
-    // Automatic prefix insertion is switched off for this block.  Add manually.
-    xfix += Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_PREFIX,
-        block);
-  }
-  if (Blockly.JavaScript.STATEMENT_SUFFIX) {
-    // Inject any statement suffix here since the regular one at the end
-    // will not get executed if the break/continue is triggered.
-    xfix += Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_SUFFIX,
-        block);
-  }
-  if (Blockly.JavaScript.STATEMENT_PREFIX) {
-    var loop = Blockly.Constants.Loops
-        .CONTROL_FLOW_IN_LOOP_CHECK_MIXIN.getSurroundLoop(block);
-    if (loop && !loop.suppressPrefixSuffix) {
-      // Inject loop's statement prefix here since the regular one at the end
-      // of the loop will not get executed if 'continue' is triggered.
-      // In the case of 'break', a prefix is needed due to the loop's suffix.
-      xfix += Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_PREFIX,
-          loop);
-    }
-  }
-  switch (block.getFieldValue('FLOW')) {
-    case 'BREAK':
-      return xfix + 'break;\n';
-    case 'CONTINUE':
-      return xfix + 'continue;\n';
-  }
-  throw Error('Unknown flow statement.');
-};
diff --git a/generators/javascript/loops.ts b/generators/javascript/loops.ts
new file mode 100644
index 00000000000..555e43ff1a9
--- /dev/null
+++ b/generators/javascript/loops.ts
@@ -0,0 +1,245 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating JavaScript for loop blocks.
+ */
+
+// Former goog.module ID: Blockly.JavaScript.loops
+
+import * as stringUtils from '../../core/utils/string.js';
+import type {Block} from '../../core/block.js';
+import type {ControlFlowInLoopBlock} from '../../blocks/loops.js';
+import type {JavascriptGenerator} from './javascript_generator.js';
+import {NameType} from '../../core/names.js';
+import {Order} from './javascript_generator.js';
+
+export function controls_repeat_ext(
+  block: Block,
+  generator: JavascriptGenerator,
+) {
+  // Repeat n times.
+  let repeats;
+  if (block.getField('TIMES')) {
+    // Internal number.
+    repeats = String(Number(block.getFieldValue('TIMES')));
+  } else {
+    // External number.
+    repeats = generator.valueToCode(block, 'TIMES', Order.ASSIGNMENT) || '0';
+  }
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  let code = '';
+  const loopVar = generator.nameDB_!.getDistinctName(
+    'count',
+    NameType.VARIABLE,
+  );
+  let endVar = repeats;
+  if (!repeats.match(/^\w+$/) && !stringUtils.isNumber(repeats)) {
+    endVar = generator.nameDB_!.getDistinctName(
+      'repeat_end',
+      NameType.VARIABLE,
+    );
+    code += 'var ' + endVar + ' = ' + repeats + ';\n';
+  }
+  code +=
+    'for (var ' +
+    loopVar +
+    ' = 0; ' +
+    loopVar +
+    ' < ' +
+    endVar +
+    '; ' +
+    loopVar +
+    '++) {\n' +
+    branch +
+    '}\n';
+  return code;
+}
+
+export const controls_repeat = controls_repeat_ext;
+
+export function controls_whileUntil(
+  block: Block,
+  generator: JavascriptGenerator,
+) {
+  // Do while/until loop.
+  const until = block.getFieldValue('MODE') === 'UNTIL';
+  let argument0 =
+    generator.valueToCode(
+      block,
+      'BOOL',
+      until ? Order.LOGICAL_NOT : Order.NONE,
+    ) || 'false';
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  if (until) {
+    argument0 = '!' + argument0;
+  }
+  return 'while (' + argument0 + ') {\n' + branch + '}\n';
+}
+
+export function controls_for(block: Block, generator: JavascriptGenerator) {
+  // For loop.
+  const variable0 = generator.getVariableName(block.getFieldValue('VAR'));
+  const argument0 =
+    generator.valueToCode(block, 'FROM', Order.ASSIGNMENT) || '0';
+  const argument1 = generator.valueToCode(block, 'TO', Order.ASSIGNMENT) || '0';
+  const increment = generator.valueToCode(block, 'BY', Order.ASSIGNMENT) || '1';
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  let code;
+  if (
+    stringUtils.isNumber(argument0) &&
+    stringUtils.isNumber(argument1) &&
+    stringUtils.isNumber(increment)
+  ) {
+    // All arguments are simple numbers.
+    const up = Number(argument0) <= Number(argument1);
+    code =
+      'for (' +
+      variable0 +
+      ' = ' +
+      argument0 +
+      '; ' +
+      variable0 +
+      (up ? ' <= ' : ' >= ') +
+      argument1 +
+      '; ' +
+      variable0;
+    const step = Math.abs(Number(increment));
+    if (step === 1) {
+      code += up ? '++' : '--';
+    } else {
+      code += (up ? ' += ' : ' -= ') + step;
+    }
+    code += ') {\n' + branch + '}\n';
+  } else {
+    code = '';
+    // Cache non-trivial values to variables to prevent repeated look-ups.
+    let startVar = argument0;
+    if (!argument0.match(/^\w+$/) && !stringUtils.isNumber(argument0)) {
+      startVar = generator.nameDB_!.getDistinctName(
+        variable0 + '_start',
+        NameType.VARIABLE,
+      );
+      code += 'var ' + startVar + ' = ' + argument0 + ';\n';
+    }
+    let endVar = argument1;
+    if (!argument1.match(/^\w+$/) && !stringUtils.isNumber(argument1)) {
+      endVar = generator.nameDB_!.getDistinctName(
+        variable0 + '_end',
+        NameType.VARIABLE,
+      );
+      code += 'var ' + endVar + ' = ' + argument1 + ';\n';
+    }
+    // Determine loop direction at start, in case one of the bounds
+    // changes during loop execution.
+    const incVar = generator.nameDB_!.getDistinctName(
+      variable0 + '_inc',
+      NameType.VARIABLE,
+    );
+    code += 'var ' + incVar + ' = ';
+    if (stringUtils.isNumber(increment)) {
+      code += Math.abs(Number(increment)) + ';\n';
+    } else {
+      code += 'Math.abs(' + increment + ');\n';
+    }
+    code += 'if (' + startVar + ' > ' + endVar + ') {\n';
+    code += generator.INDENT + incVar + ' = -' + incVar + ';\n';
+    code += '}\n';
+    code +=
+      'for (' +
+      variable0 +
+      ' = ' +
+      startVar +
+      '; ' +
+      incVar +
+      ' >= 0 ? ' +
+      variable0 +
+      ' <= ' +
+      endVar +
+      ' : ' +
+      variable0 +
+      ' >= ' +
+      endVar +
+      '; ' +
+      variable0 +
+      ' += ' +
+      incVar +
+      ') {\n' +
+      branch +
+      '}\n';
+  }
+  return code;
+}
+
+export function controls_forEach(block: Block, generator: JavascriptGenerator) {
+  // For each loop.
+  const variable0 = generator.getVariableName(block.getFieldValue('VAR'));
+  const argument0 =
+    generator.valueToCode(block, 'LIST', Order.ASSIGNMENT) || '[]';
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  let code = '';
+  // Cache non-trivial values to variables to prevent repeated look-ups.
+  let listVar = argument0;
+  if (!argument0.match(/^\w+$/)) {
+    listVar = generator.nameDB_!.getDistinctName(
+      variable0 + '_list',
+      NameType.VARIABLE,
+    );
+    code += 'var ' + listVar + ' = ' + argument0 + ';\n';
+  }
+  const indexVar = generator.nameDB_!.getDistinctName(
+    variable0 + '_index',
+    NameType.VARIABLE,
+  );
+  branch =
+    generator.INDENT +
+    variable0 +
+    ' = ' +
+    listVar +
+    '[' +
+    indexVar +
+    '];\n' +
+    branch;
+  code += 'for (var ' + indexVar + ' in ' + listVar + ') {\n' + branch + '}\n';
+  return code;
+}
+
+export function controls_flow_statements(
+  block: Block,
+  generator: JavascriptGenerator,
+) {
+  // Flow statements: continue, break.
+  let xfix = '';
+  if (generator.STATEMENT_PREFIX) {
+    // Automatic prefix insertion is switched off for this block.  Add manually.
+    xfix += generator.injectId(generator.STATEMENT_PREFIX, block);
+  }
+  if (generator.STATEMENT_SUFFIX) {
+    // Inject any statement suffix here since the regular one at the end
+    // will not get executed if the break/continue is triggered.
+    xfix += generator.injectId(generator.STATEMENT_SUFFIX, block);
+  }
+  if (generator.STATEMENT_PREFIX) {
+    const loop = (block as ControlFlowInLoopBlock).getSurroundLoop();
+    if (loop && !loop.suppressPrefixSuffix) {
+      // Inject loop's statement prefix here since the regular one at the end
+      // of the loop will not get executed if 'continue' is triggered.
+      // In the case of 'break', a prefix is needed due to the loop's suffix.
+      xfix += generator.injectId(generator.STATEMENT_PREFIX, loop);
+    }
+  }
+  switch (block.getFieldValue('FLOW')) {
+    case 'BREAK':
+      return xfix + 'break;\n';
+    case 'CONTINUE':
+      return xfix + 'continue;\n';
+  }
+  throw Error('Unknown flow statement.');
+}
diff --git a/generators/javascript/math.js b/generators/javascript/math.js
deleted file mode 100644
index 5266f8ed59f..00000000000
--- a/generators/javascript/math.js
+++ /dev/null
@@ -1,409 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating JavaScript for math blocks.
- * @author q.neutron@gmail.com (Quynh Neutron)
- */
-'use strict';
-
-goog.provide('Blockly.JavaScript.math');
-
-goog.require('Blockly.JavaScript');
-
-
-Blockly.JavaScript['math_number'] = function(block) {
-  // Numeric value.
-  var code = Number(block.getFieldValue('NUM'));
-  var order = code >= 0 ? Blockly.JavaScript.ORDER_ATOMIC :
-              Blockly.JavaScript.ORDER_UNARY_NEGATION;
-  return [code, order];
-};
-
-Blockly.JavaScript['math_arithmetic'] = function(block) {
-  // Basic arithmetic operators, and power.
-  var OPERATORS = {
-    'ADD': [' + ', Blockly.JavaScript.ORDER_ADDITION],
-    'MINUS': [' - ', Blockly.JavaScript.ORDER_SUBTRACTION],
-    'MULTIPLY': [' * ', Blockly.JavaScript.ORDER_MULTIPLICATION],
-    'DIVIDE': [' / ', Blockly.JavaScript.ORDER_DIVISION],
-    'POWER': [null, Blockly.JavaScript.ORDER_COMMA]  // Handle power separately.
-  };
-  var tuple = OPERATORS[block.getFieldValue('OP')];
-  var operator = tuple[0];
-  var order = tuple[1];
-  var argument0 = Blockly.JavaScript.valueToCode(block, 'A', order) || '0';
-  var argument1 = Blockly.JavaScript.valueToCode(block, 'B', order) || '0';
-  var code;
-  // Power in JavaScript requires a special case since it has no operator.
-  if (!operator) {
-    code = 'Math.pow(' + argument0 + ', ' + argument1 + ')';
-    return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-  }
-  code = argument0 + operator + argument1;
-  return [code, order];
-};
-
-Blockly.JavaScript['math_single'] = function(block) {
-  // Math operators with single operand.
-  var operator = block.getFieldValue('OP');
-  var code;
-  var arg;
-  if (operator == 'NEG') {
-    // Negation is a special case given its different operator precedence.
-    arg = Blockly.JavaScript.valueToCode(block, 'NUM',
-        Blockly.JavaScript.ORDER_UNARY_NEGATION) || '0';
-    if (arg[0] == '-') {
-      // --3 is not legal in JS.
-      arg = ' ' + arg;
-    }
-    code = '-' + arg;
-    return [code, Blockly.JavaScript.ORDER_UNARY_NEGATION];
-  }
-  if (operator == 'SIN' || operator == 'COS' || operator == 'TAN') {
-    arg = Blockly.JavaScript.valueToCode(block, 'NUM',
-        Blockly.JavaScript.ORDER_DIVISION) || '0';
-  } else {
-    arg = Blockly.JavaScript.valueToCode(block, 'NUM',
-        Blockly.JavaScript.ORDER_NONE) || '0';
-  }
-  // First, handle cases which generate values that don't need parentheses
-  // wrapping the code.
-  switch (operator) {
-    case 'ABS':
-      code = 'Math.abs(' + arg + ')';
-      break;
-    case 'ROOT':
-      code = 'Math.sqrt(' + arg + ')';
-      break;
-    case 'LN':
-      code = 'Math.log(' + arg + ')';
-      break;
-    case 'EXP':
-      code = 'Math.exp(' + arg + ')';
-      break;
-    case 'POW10':
-      code = 'Math.pow(10,' + arg + ')';
-      break;
-    case 'ROUND':
-      code = 'Math.round(' + arg + ')';
-      break;
-    case 'ROUNDUP':
-      code = 'Math.ceil(' + arg + ')';
-      break;
-    case 'ROUNDDOWN':
-      code = 'Math.floor(' + arg + ')';
-      break;
-    case 'SIN':
-      code = 'Math.sin(' + arg + ' / 180 * Math.PI)';
-      break;
-    case 'COS':
-      code = 'Math.cos(' + arg + ' / 180 * Math.PI)';
-      break;
-    case 'TAN':
-      code = 'Math.tan(' + arg + ' / 180 * Math.PI)';
-      break;
-  }
-  if (code) {
-    return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-  }
-  // Second, handle cases which generate values that may need parentheses
-  // wrapping the code.
-  switch (operator) {
-    case 'LOG10':
-      code = 'Math.log(' + arg + ') / Math.log(10)';
-      break;
-    case 'ASIN':
-      code = 'Math.asin(' + arg + ') / Math.PI * 180';
-      break;
-    case 'ACOS':
-      code = 'Math.acos(' + arg + ') / Math.PI * 180';
-      break;
-    case 'ATAN':
-      code = 'Math.atan(' + arg + ') / Math.PI * 180';
-      break;
-    default:
-      throw Error('Unknown math operator: ' + operator);
-  }
-  return [code, Blockly.JavaScript.ORDER_DIVISION];
-};
-
-Blockly.JavaScript['math_constant'] = function(block) {
-  // Constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
-  var CONSTANTS = {
-    'PI': ['Math.PI', Blockly.JavaScript.ORDER_MEMBER],
-    'E': ['Math.E', Blockly.JavaScript.ORDER_MEMBER],
-    'GOLDEN_RATIO':
-        ['(1 + Math.sqrt(5)) / 2', Blockly.JavaScript.ORDER_DIVISION],
-    'SQRT2': ['Math.SQRT2', Blockly.JavaScript.ORDER_MEMBER],
-    'SQRT1_2': ['Math.SQRT1_2', Blockly.JavaScript.ORDER_MEMBER],
-    'INFINITY': ['Infinity', Blockly.JavaScript.ORDER_ATOMIC]
-  };
-  return CONSTANTS[block.getFieldValue('CONSTANT')];
-};
-
-Blockly.JavaScript['math_number_property'] = function(block) {
-  // Check if a number is even, odd, prime, whole, positive, or negative
-  // or if it is divisible by certain number. Returns true or false.
-  var number_to_check = Blockly.JavaScript.valueToCode(block, 'NUMBER_TO_CHECK',
-      Blockly.JavaScript.ORDER_MODULUS) || '0';
-  var dropdown_property = block.getFieldValue('PROPERTY');
-  var code;
-  if (dropdown_property == 'PRIME') {
-    // Prime is a special case as it is not a one-liner test.
-    var functionName = Blockly.JavaScript.provideFunction_(
-        'mathIsPrime',
-        ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ + '(n) {',
-         '  // https://en.wikipedia.org/wiki/Primality_test#Naive_methods',
-         '  if (n == 2 || n == 3) {',
-         '    return true;',
-         '  }',
-         '  // False if n is NaN, negative, is 1, or not whole.',
-         '  // And false if n is divisible by 2 or 3.',
-         '  if (isNaN(n) || n <= 1 || n % 1 != 0 || n % 2 == 0 ||' +
-            ' n % 3 == 0) {',
-         '    return false;',
-         '  }',
-         '  // Check all the numbers of form 6k +/- 1, up to sqrt(n).',
-         '  for (var x = 6; x <= Math.sqrt(n) + 1; x += 6) {',
-         '    if (n % (x - 1) == 0 || n % (x + 1) == 0) {',
-         '      return false;',
-         '    }',
-         '  }',
-         '  return true;',
-         '}']);
-    code = functionName + '(' + number_to_check + ')';
-    return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-  }
-  switch (dropdown_property) {
-    case 'EVEN':
-      code = number_to_check + ' % 2 == 0';
-      break;
-    case 'ODD':
-      code = number_to_check + ' % 2 == 1';
-      break;
-    case 'WHOLE':
-      code = number_to_check + ' % 1 == 0';
-      break;
-    case 'POSITIVE':
-      code = number_to_check + ' > 0';
-      break;
-    case 'NEGATIVE':
-      code = number_to_check + ' < 0';
-      break;
-    case 'DIVISIBLE_BY':
-      var divisor = Blockly.JavaScript.valueToCode(block, 'DIVISOR',
-          Blockly.JavaScript.ORDER_MODULUS) || '0';
-      code = number_to_check + ' % ' + divisor + ' == 0';
-      break;
-  }
-  return [code, Blockly.JavaScript.ORDER_EQUALITY];
-};
-
-Blockly.JavaScript['math_change'] = function(block) {
-  // Add to a variable in place.
-  var argument0 = Blockly.JavaScript.valueToCode(block, 'DELTA',
-      Blockly.JavaScript.ORDER_ADDITION) || '0';
-  var varName = Blockly.JavaScript.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  return varName + ' = (typeof ' + varName + ' == \'number\' ? ' + varName +
-      ' : 0) + ' + argument0 + ';\n';
-};
-
-// Rounding functions have a single operand.
-Blockly.JavaScript['math_round'] = Blockly.JavaScript['math_single'];
-// Trigonometry functions have a single operand.
-Blockly.JavaScript['math_trig'] = Blockly.JavaScript['math_single'];
-
-Blockly.JavaScript['math_on_list'] = function(block) {
-  // Math functions for lists.
-  var func = block.getFieldValue('OP');
-  var list, code;
-  switch (func) {
-    case 'SUM':
-      list = Blockly.JavaScript.valueToCode(block, 'LIST',
-          Blockly.JavaScript.ORDER_MEMBER) || '[]';
-      code = list + '.reduce(function(x, y) {return x + y;})';
-      break;
-    case 'MIN':
-      list = Blockly.JavaScript.valueToCode(block, 'LIST',
-          Blockly.JavaScript.ORDER_COMMA) || '[]';
-      code = 'Math.min.apply(null, ' + list + ')';
-      break;
-    case 'MAX':
-      list = Blockly.JavaScript.valueToCode(block, 'LIST',
-          Blockly.JavaScript.ORDER_COMMA) || '[]';
-      code = 'Math.max.apply(null, ' + list + ')';
-      break;
-    case 'AVERAGE':
-      // mathMean([null,null,1,3]) == 2.0.
-      var functionName = Blockly.JavaScript.provideFunction_(
-          'mathMean',
-          ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-              '(myList) {',
-            '  return myList.reduce(function(x, y) {return x + y;}) / ' +
-                  'myList.length;',
-            '}']);
-      list = Blockly.JavaScript.valueToCode(block, 'LIST',
-          Blockly.JavaScript.ORDER_NONE) || '[]';
-      code = functionName + '(' + list + ')';
-      break;
-    case 'MEDIAN':
-      // mathMedian([null,null,1,3]) == 2.0.
-      var functionName = Blockly.JavaScript.provideFunction_(
-          'mathMedian',
-          ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-              '(myList) {',
-            '  var localList = myList.filter(function (x) ' +
-              '{return typeof x == \'number\';});',
-            '  if (!localList.length) return null;',
-            '  localList.sort(function(a, b) {return b - a;});',
-            '  if (localList.length % 2 == 0) {',
-            '    return (localList[localList.length / 2 - 1] + ' +
-              'localList[localList.length / 2]) / 2;',
-            '  } else {',
-            '    return localList[(localList.length - 1) / 2];',
-            '  }',
-            '}']);
-      list = Blockly.JavaScript.valueToCode(block, 'LIST',
-          Blockly.JavaScript.ORDER_NONE) || '[]';
-      code = functionName + '(' + list + ')';
-      break;
-    case 'MODE':
-      // As a list of numbers can contain more than one mode,
-      // the returned result is provided as an array.
-      // Mode of [3, 'x', 'x', 1, 1, 2, '3'] -> ['x', 1].
-      var functionName = Blockly.JavaScript.provideFunction_(
-          'mathModes',
-          ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-              '(values) {',
-            '  var modes = [];',
-            '  var counts = [];',
-            '  var maxCount = 0;',
-            '  for (var i = 0; i < values.length; i++) {',
-            '    var value = values[i];',
-            '    var found = false;',
-            '    var thisCount;',
-            '    for (var j = 0; j < counts.length; j++) {',
-            '      if (counts[j][0] === value) {',
-            '        thisCount = ++counts[j][1];',
-            '        found = true;',
-            '        break;',
-            '      }',
-            '    }',
-            '    if (!found) {',
-            '      counts.push([value, 1]);',
-            '      thisCount = 1;',
-            '    }',
-            '    maxCount = Math.max(thisCount, maxCount);',
-            '  }',
-            '  for (var j = 0; j < counts.length; j++) {',
-            '    if (counts[j][1] == maxCount) {',
-            '        modes.push(counts[j][0]);',
-            '    }',
-            '  }',
-            '  return modes;',
-            '}']);
-      list = Blockly.JavaScript.valueToCode(block, 'LIST',
-          Blockly.JavaScript.ORDER_NONE) || '[]';
-      code = functionName + '(' + list + ')';
-      break;
-    case 'STD_DEV':
-      var functionName = Blockly.JavaScript.provideFunction_(
-          'mathStandardDeviation',
-          ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-              '(numbers) {',
-            '  var n = numbers.length;',
-            '  if (!n) return null;',
-            '  var mean = numbers.reduce(function(x, y) {return x + y;}) / n;',
-            '  var variance = 0;',
-            '  for (var j = 0; j < n; j++) {',
-            '    variance += Math.pow(numbers[j] - mean, 2);',
-            '  }',
-            '  variance = variance / n;',
-            '  return Math.sqrt(variance);',
-            '}']);
-      list = Blockly.JavaScript.valueToCode(block, 'LIST',
-          Blockly.JavaScript.ORDER_NONE) || '[]';
-      code = functionName + '(' + list + ')';
-      break;
-    case 'RANDOM':
-      var functionName = Blockly.JavaScript.provideFunction_(
-          'mathRandomList',
-          ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-              '(list) {',
-            '  var x = Math.floor(Math.random() * list.length);',
-            '  return list[x];',
-            '}']);
-      list = Blockly.JavaScript.valueToCode(block, 'LIST',
-          Blockly.JavaScript.ORDER_NONE) || '[]';
-      code = functionName + '(' + list + ')';
-      break;
-    default:
-      throw Error('Unknown operator: ' + func);
-  }
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['math_modulo'] = function(block) {
-  // Remainder computation.
-  var argument0 = Blockly.JavaScript.valueToCode(block, 'DIVIDEND',
-      Blockly.JavaScript.ORDER_MODULUS) || '0';
-  var argument1 = Blockly.JavaScript.valueToCode(block, 'DIVISOR',
-      Blockly.JavaScript.ORDER_MODULUS) || '0';
-  var code = argument0 + ' % ' + argument1;
-  return [code, Blockly.JavaScript.ORDER_MODULUS];
-};
-
-Blockly.JavaScript['math_constrain'] = function(block) {
-  // Constrain a number between two limits.
-  var argument0 = Blockly.JavaScript.valueToCode(block, 'VALUE',
-      Blockly.JavaScript.ORDER_COMMA) || '0';
-  var argument1 = Blockly.JavaScript.valueToCode(block, 'LOW',
-      Blockly.JavaScript.ORDER_COMMA) || '0';
-  var argument2 = Blockly.JavaScript.valueToCode(block, 'HIGH',
-      Blockly.JavaScript.ORDER_COMMA) || 'Infinity';
-  var code = 'Math.min(Math.max(' + argument0 + ', ' + argument1 + '), ' +
-      argument2 + ')';
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['math_random_int'] = function(block) {
-  // Random integer between [X] and [Y].
-  var argument0 = Blockly.JavaScript.valueToCode(block, 'FROM',
-      Blockly.JavaScript.ORDER_COMMA) || '0';
-  var argument1 = Blockly.JavaScript.valueToCode(block, 'TO',
-      Blockly.JavaScript.ORDER_COMMA) || '0';
-  var functionName = Blockly.JavaScript.provideFunction_(
-      'mathRandomInt',
-      ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-          '(a, b) {',
-       '  if (a > b) {',
-       '    // Swap a and b to ensure a is smaller.',
-       '    var c = a;',
-       '    a = b;',
-       '    b = c;',
-       '  }',
-       '  return Math.floor(Math.random() * (b - a + 1) + a);',
-       '}']);
-  var code = functionName + '(' + argument0 + ', ' + argument1 + ')';
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['math_random_float'] = function(block) {
-  // Random fraction between 0 and 1.
-  return ['Math.random()', Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['math_atan2'] = function(block) {
-  // Arctangent of point (X, Y) in degrees from -180 to 180.
-  var argument0 = Blockly.JavaScript.valueToCode(block, 'X',
-      Blockly.JavaScript.ORDER_COMMA) || '0';
-  var argument1 = Blockly.JavaScript.valueToCode(block, 'Y',
-      Blockly.JavaScript.ORDER_COMMA) || '0';
-  return ['Math.atan2(' + argument1 + ', ' + argument0 + ') / Math.PI * 180',
-      Blockly.JavaScript.ORDER_DIVISION];
-};
diff --git a/generators/javascript/math.ts b/generators/javascript/math.ts
new file mode 100644
index 00000000000..238ad19a2a1
--- /dev/null
+++ b/generators/javascript/math.ts
@@ -0,0 +1,450 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating JavaScript for math blocks.
+ */
+
+// Former goog.module ID: Blockly.JavaScript.math
+
+import type {Block} from '../../core/block.js';
+import type {JavascriptGenerator} from './javascript_generator.js';
+import {Order} from './javascript_generator.js';
+
+export function math_number(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Numeric value.
+  const number = Number(block.getFieldValue('NUM'));
+  const order = number >= 0 ? Order.ATOMIC : Order.UNARY_NEGATION;
+  return [String(number), order];
+}
+
+export function math_arithmetic(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Basic arithmetic operators, and power.
+  const OPERATORS: Record<string, [string | null, Order]> = {
+    'ADD': [' + ', Order.ADDITION],
+    'MINUS': [' - ', Order.SUBTRACTION],
+    'MULTIPLY': [' * ', Order.MULTIPLICATION],
+    'DIVIDE': [' / ', Order.DIVISION],
+    'POWER': [null, Order.NONE], // Handle power separately.
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const tuple = OPERATORS[block.getFieldValue('OP') as OperatorOption];
+  const operator = tuple[0];
+  const order = tuple[1];
+  const argument0 = generator.valueToCode(block, 'A', order) || '0';
+  const argument1 = generator.valueToCode(block, 'B', order) || '0';
+  let code;
+  // Power in JavaScript requires a special case since it has no operator.
+  if (!operator) {
+    code = 'Math.pow(' + argument0 + ', ' + argument1 + ')';
+    return [code, Order.FUNCTION_CALL];
+  }
+  code = argument0 + operator + argument1;
+  return [code, order];
+}
+
+export function math_single(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Math operators with single operand.
+  const operator = block.getFieldValue('OP');
+  let code;
+  let arg;
+  if (operator === 'NEG') {
+    // Negation is a special case given its different operator precedence.
+    arg = generator.valueToCode(block, 'NUM', Order.UNARY_NEGATION) || '0';
+    if (arg[0] === '-') {
+      // --3 is not legal in JS.
+      arg = ' ' + arg;
+    }
+    code = '-' + arg;
+    return [code, Order.UNARY_NEGATION];
+  }
+  if (operator === 'SIN' || operator === 'COS' || operator === 'TAN') {
+    arg = generator.valueToCode(block, 'NUM', Order.DIVISION) || '0';
+  } else {
+    arg = generator.valueToCode(block, 'NUM', Order.NONE) || '0';
+  }
+  // First, handle cases which generate values that don't need parentheses
+  // wrapping the code.
+  switch (operator) {
+    case 'ABS':
+      code = 'Math.abs(' + arg + ')';
+      break;
+    case 'ROOT':
+      code = 'Math.sqrt(' + arg + ')';
+      break;
+    case 'LN':
+      code = 'Math.log(' + arg + ')';
+      break;
+    case 'EXP':
+      code = 'Math.exp(' + arg + ')';
+      break;
+    case 'POW10':
+      code = 'Math.pow(10,' + arg + ')';
+      break;
+    case 'ROUND':
+      code = 'Math.round(' + arg + ')';
+      break;
+    case 'ROUNDUP':
+      code = 'Math.ceil(' + arg + ')';
+      break;
+    case 'ROUNDDOWN':
+      code = 'Math.floor(' + arg + ')';
+      break;
+    case 'SIN':
+      code = 'Math.sin(' + arg + ' / 180 * Math.PI)';
+      break;
+    case 'COS':
+      code = 'Math.cos(' + arg + ' / 180 * Math.PI)';
+      break;
+    case 'TAN':
+      code = 'Math.tan(' + arg + ' / 180 * Math.PI)';
+      break;
+  }
+  if (code) {
+    return [code, Order.FUNCTION_CALL];
+  }
+  // Second, handle cases which generate values that may need parentheses
+  // wrapping the code.
+  switch (operator) {
+    case 'LOG10':
+      code = 'Math.log(' + arg + ') / Math.log(10)';
+      break;
+    case 'ASIN':
+      code = 'Math.asin(' + arg + ') / Math.PI * 180';
+      break;
+    case 'ACOS':
+      code = 'Math.acos(' + arg + ') / Math.PI * 180';
+      break;
+    case 'ATAN':
+      code = 'Math.atan(' + arg + ') / Math.PI * 180';
+      break;
+    default:
+      throw Error('Unknown math operator: ' + operator);
+  }
+  return [code, Order.DIVISION];
+}
+
+export function math_constant(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
+  const CONSTANTS: Record<string, [string, Order]> = {
+    'PI': ['Math.PI', Order.MEMBER],
+    'E': ['Math.E', Order.MEMBER],
+    'GOLDEN_RATIO': ['(1 + Math.sqrt(5)) / 2', Order.DIVISION],
+    'SQRT2': ['Math.SQRT2', Order.MEMBER],
+    'SQRT1_2': ['Math.SQRT1_2', Order.MEMBER],
+    'INFINITY': ['Infinity', Order.ATOMIC],
+  };
+  type ConstantOption = keyof typeof CONSTANTS;
+  return CONSTANTS[block.getFieldValue('CONSTANT') as ConstantOption];
+}
+
+export function math_number_property(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Check if a number is even, odd, prime, whole, positive, or negative
+  // or if it is divisible by certain number. Returns true or false.
+  const PROPERTIES: Record<string, [string | null, Order, Order]> = {
+    'EVEN': [' % 2 === 0', Order.MODULUS, Order.EQUALITY],
+    'ODD': [' % 2 === 1', Order.MODULUS, Order.EQUALITY],
+    'WHOLE': [' % 1 === 0', Order.MODULUS, Order.EQUALITY],
+    'POSITIVE': [' > 0', Order.RELATIONAL, Order.RELATIONAL],
+    'NEGATIVE': [' < 0', Order.RELATIONAL, Order.RELATIONAL],
+    'DIVISIBLE_BY': [null, Order.MODULUS, Order.EQUALITY],
+    'PRIME': [null, Order.NONE, Order.FUNCTION_CALL],
+  };
+  type PropertyOption = keyof typeof PROPERTIES;
+  const dropdownProperty = block.getFieldValue('PROPERTY') as PropertyOption;
+  const [suffix, inputOrder, outputOrder] = PROPERTIES[dropdownProperty];
+  const numberToCheck =
+    generator.valueToCode(block, 'NUMBER_TO_CHECK', inputOrder) || '0';
+  let code;
+  if (dropdownProperty === 'PRIME') {
+    // Prime is a special case as it is not a one-liner test.
+    const functionName = generator.provideFunction_(
+      'mathIsPrime',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(n) {
+  // https://en.wikipedia.org/wiki/Primality_test#Naive_methods
+  if (n == 2 || n == 3) {
+    return true;
+  }
+  // False if n is NaN, negative, is 1, or not whole.
+  // And false if n is divisible by 2 or 3.
+  if (isNaN(n) || n <= 1 || n % 1 !== 0 || n % 2 === 0 || n % 3 === 0) {
+    return false;
+  }
+  // Check all the numbers of form 6k +/- 1, up to sqrt(n).
+  for (var x = 6; x <= Math.sqrt(n) + 1; x += 6) {
+    if (n % (x - 1) === 0 || n % (x + 1) === 0) {
+      return false;
+    }
+  }
+  return true;
+}
+`,
+    );
+    code = functionName + '(' + numberToCheck + ')';
+  } else if (dropdownProperty === 'DIVISIBLE_BY') {
+    const divisor =
+      generator.valueToCode(block, 'DIVISOR', Order.MODULUS) || '0';
+    code = numberToCheck + ' % ' + divisor + ' === 0';
+  } else {
+    code = numberToCheck + suffix;
+  }
+  return [code, outputOrder];
+}
+
+export function math_change(block: Block, generator: JavascriptGenerator) {
+  // Add to a variable in place.
+  const argument0 =
+    generator.valueToCode(block, 'DELTA', Order.ADDITION) || '0';
+  const varName = generator.getVariableName(block.getFieldValue('VAR'));
+  return (
+    varName +
+    ' = (typeof ' +
+    varName +
+    " === 'number' ? " +
+    varName +
+    ' : 0) + ' +
+    argument0 +
+    ';\n'
+  );
+}
+
+// Rounding functions have a single operand.
+export const math_round = math_single;
+// Trigonometry functions have a single operand.
+export const math_trig = math_single;
+
+export function math_on_list(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Math functions for lists.
+  const func = block.getFieldValue('OP');
+  let list;
+  let code;
+  switch (func) {
+    case 'SUM':
+      list = generator.valueToCode(block, 'LIST', Order.MEMBER) || '[]';
+      code = list + '.reduce(function(x, y) {return x + y;}, 0)';
+      break;
+    case 'MIN':
+      list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+      code = 'Math.min.apply(null, ' + list + ')';
+      break;
+    case 'MAX':
+      list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+      code = 'Math.max.apply(null, ' + list + ')';
+      break;
+    case 'AVERAGE': {
+      // mathMean([null,null,1,3]) === 2.0.
+      const functionName = generator.provideFunction_(
+        'mathMean',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(myList) {
+  return myList.reduce(function(x, y) {return x + y;}, 0) / myList.length;
+}
+`,
+      );
+      list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'MEDIAN': {
+      // mathMedian([null,null,1,3]) === 2.0.
+      const functionName = generator.provideFunction_(
+        'mathMedian',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(myList) {
+  var localList = myList.filter(function (x) {return typeof x === 'number';});
+  if (!localList.length) return null;
+  localList.sort(function(a, b) {return b - a;});
+  if (localList.length % 2 === 0) {
+    return (localList[localList.length / 2 - 1] + localList[localList.length / 2]) / 2;
+  } else {
+    return localList[(localList.length - 1) / 2];
+  }
+}
+`,
+      );
+      list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'MODE': {
+      // As a list of numbers can contain more than one mode,
+      // the returned result is provided as an array.
+      // Mode of [3, 'x', 'x', 1, 1, 2, '3'] -> ['x', 1].
+      const functionName = generator.provideFunction_(
+        'mathModes',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(values) {
+  var modes = [];
+  var counts = [];
+  var maxCount = 0;
+  for (var i = 0; i < values.length; i++) {
+    var value = values[i];
+    var found = false;
+    var thisCount;
+    for (var j = 0; j < counts.length; j++) {
+      if (counts[j][0] === value) {
+        thisCount = ++counts[j][1];
+        found = true;
+        break;
+      }
+    }
+    if (!found) {
+      counts.push([value, 1]);
+      thisCount = 1;
+    }
+    maxCount = Math.max(thisCount, maxCount);
+  }
+  for (var j = 0; j < counts.length; j++) {
+    if (counts[j][1] === maxCount) {
+      modes.push(counts[j][0]);
+    }
+  }
+  return modes;
+}
+`,
+      );
+      list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'STD_DEV': {
+      const functionName = generator.provideFunction_(
+        'mathStandardDeviation',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(numbers) {
+  var n = numbers.length;
+  if (!n) return null;
+  var mean = numbers.reduce(function(x, y) {return x + y;}) / n;
+  var variance = 0;
+  for (var j = 0; j < n; j++) {
+    variance += Math.pow(numbers[j] - mean, 2);
+  }
+  variance /= n;
+  return Math.sqrt(variance);
+}
+`,
+      );
+      list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'RANDOM': {
+      const functionName = generator.provideFunction_(
+        'mathRandomList',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(list) {
+  var x = Math.floor(Math.random() * list.length);
+  return list[x];
+}
+`,
+      );
+      list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    default:
+      throw Error('Unknown operator: ' + func);
+  }
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function math_modulo(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Remainder computation.
+  const argument0 =
+    generator.valueToCode(block, 'DIVIDEND', Order.MODULUS) || '0';
+  const argument1 =
+    generator.valueToCode(block, 'DIVISOR', Order.MODULUS) || '0';
+  const code = argument0 + ' % ' + argument1;
+  return [code, Order.MODULUS];
+}
+
+export function math_constrain(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Constrain a number between two limits.
+  const argument0 = generator.valueToCode(block, 'VALUE', Order.NONE) || '0';
+  const argument1 = generator.valueToCode(block, 'LOW', Order.NONE) || '0';
+  const argument2 =
+    generator.valueToCode(block, 'HIGH', Order.NONE) || 'Infinity';
+  const code =
+    'Math.min(Math.max(' +
+    argument0 +
+    ', ' +
+    argument1 +
+    '), ' +
+    argument2 +
+    ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function math_random_int(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Random integer between [X] and [Y].
+  const argument0 = generator.valueToCode(block, 'FROM', Order.NONE) || '0';
+  const argument1 = generator.valueToCode(block, 'TO', Order.NONE) || '0';
+  const functionName = generator.provideFunction_(
+    'mathRandomInt',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(a, b) {
+  if (a > b) {
+    // Swap a and b to ensure a is smaller.
+    var c = a;
+    a = b;
+    b = c;
+  }
+  return Math.floor(Math.random() * (b - a + 1) + a);
+}
+`,
+  );
+  const code = functionName + '(' + argument0 + ', ' + argument1 + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function math_random_float(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Random fraction between 0 and 1.
+  return ['Math.random()', Order.FUNCTION_CALL];
+}
+
+export function math_atan2(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Arctangent of point (X, Y) in degrees from -180 to 180.
+  const argument0 = generator.valueToCode(block, 'X', Order.NONE) || '0';
+  const argument1 = generator.valueToCode(block, 'Y', Order.NONE) || '0';
+  return [
+    'Math.atan2(' + argument1 + ', ' + argument0 + ') / Math.PI * 180',
+    Order.DIVISION,
+  ];
+}
diff --git a/generators/javascript/procedures.js b/generators/javascript/procedures.js
deleted file mode 100644
index 90fb57d0455..00000000000
--- a/generators/javascript/procedures.js
+++ /dev/null
@@ -1,113 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating JavaScript for procedure blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.JavaScript.procedures');
-
-goog.require('Blockly.JavaScript');
-
-
-Blockly.JavaScript['procedures_defreturn'] = function(block) {
-  // Define a procedure with a return value.
-  var funcName = Blockly.JavaScript.variableDB_.getName(
-      block.getFieldValue('NAME'), Blockly.PROCEDURE_CATEGORY_NAME);
-  var xfix1 = '';
-  if (Blockly.JavaScript.STATEMENT_PREFIX) {
-    xfix1 += Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_PREFIX,
-        block);
-  }
-  if (Blockly.JavaScript.STATEMENT_SUFFIX) {
-    xfix1 += Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_SUFFIX,
-        block);
-  }
-  if (xfix1) {
-    xfix1 = Blockly.JavaScript.prefixLines(xfix1, Blockly.JavaScript.INDENT);
-  }
-  var loopTrap = '';
-  if (Blockly.JavaScript.INFINITE_LOOP_TRAP) {
-    loopTrap = Blockly.JavaScript.prefixLines(
-        Blockly.JavaScript.injectId(Blockly.JavaScript.INFINITE_LOOP_TRAP,
-        block), Blockly.JavaScript.INDENT);
-  }
-  var branch = Blockly.JavaScript.statementToCode(block, 'STACK');
-  var returnValue = Blockly.JavaScript.valueToCode(block, 'RETURN',
-      Blockly.JavaScript.ORDER_NONE) || '';
-  var xfix2 = '';
-  if (branch && returnValue) {
-    // After executing the function body, revisit this block for the return.
-    xfix2 = xfix1;
-  }
-  if (returnValue) {
-    returnValue = Blockly.JavaScript.INDENT + 'return ' + returnValue + ';\n';
-  }
-  var args = [];
-  var variables = block.getVars();
-  for (var i = 0; i < variables.length; i++) {
-    args[i] = Blockly.JavaScript.variableDB_.getName(variables[i],
-        Blockly.VARIABLE_CATEGORY_NAME);
-  }
-  var code = 'function ' + funcName + '(' + args.join(', ') + ') {\n' +
-      xfix1 + loopTrap + branch + xfix2 + returnValue + '}';
-  code = Blockly.JavaScript.scrub_(block, code);
-  // Add % so as not to collide with helper functions in definitions list.
-  Blockly.JavaScript.definitions_['%' + funcName] = code;
-  return null;
-};
-
-// Defining a procedure without a return value uses the same generator as
-// a procedure with a return value.
-Blockly.JavaScript['procedures_defnoreturn'] =
-    Blockly.JavaScript['procedures_defreturn'];
-
-Blockly.JavaScript['procedures_callreturn'] = function(block) {
-  // Call a procedure with a return value.
-  var funcName = Blockly.JavaScript.variableDB_.getName(
-      block.getFieldValue('NAME'), Blockly.PROCEDURE_CATEGORY_NAME);
-  var args = [];
-  var variables = block.getVars();
-  for (var i = 0; i < variables.length; i++) {
-    args[i] = Blockly.JavaScript.valueToCode(block, 'ARG' + i,
-        Blockly.JavaScript.ORDER_COMMA) || 'null';
-  }
-  var code = funcName + '(' + args.join(', ') + ')';
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['procedures_callnoreturn'] = function(block) {
-  // Call a procedure with no return value.
-  // Generated code is for a function call as a statement is the same as a
-  // function call as a value, with the addition of line ending.
-  var tuple = Blockly.JavaScript['procedures_callreturn'](block);
-  return tuple[0] + ';\n';
-};
-
-Blockly.JavaScript['procedures_ifreturn'] = function(block) {
-  // Conditionally return value from a procedure.
-  var condition = Blockly.JavaScript.valueToCode(block, 'CONDITION',
-      Blockly.JavaScript.ORDER_NONE) || 'false';
-  var code = 'if (' + condition + ') {\n';
-  if (Blockly.JavaScript.STATEMENT_SUFFIX) {
-    // Inject any statement suffix here since the regular one at the end
-    // will not get executed if the return is triggered.
-    code += Blockly.JavaScript.prefixLines(
-        Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_SUFFIX, block),
-        Blockly.JavaScript.INDENT);
-  }
-  if (block.hasReturnValue_) {
-    var value = Blockly.JavaScript.valueToCode(block, 'VALUE',
-        Blockly.JavaScript.ORDER_NONE) || 'null';
-    code += Blockly.JavaScript.INDENT + 'return ' + value + ';\n';
-  } else {
-    code += Blockly.JavaScript.INDENT + 'return;\n';
-  }
-  code += '}\n';
-  return code;
-};
diff --git a/generators/javascript/procedures.ts b/generators/javascript/procedures.ts
new file mode 100644
index 00000000000..e0a055217cf
--- /dev/null
+++ b/generators/javascript/procedures.ts
@@ -0,0 +1,142 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating JavaScript for procedure blocks.
+ */
+
+// Former goog.module ID: Blockly.JavaScript.procedures
+
+import type {Block} from '../../core/block.js';
+import type {IfReturnBlock} from '../../blocks/procedures.js';
+import type {JavascriptGenerator} from './javascript_generator.js';
+import {Order} from './javascript_generator.js';
+
+export function procedures_defreturn(
+  block: Block,
+  generator: JavascriptGenerator,
+) {
+  // Define a procedure with a return value.
+  const funcName = generator.getProcedureName(block.getFieldValue('NAME'));
+  let xfix1 = '';
+  if (generator.STATEMENT_PREFIX) {
+    xfix1 += generator.injectId(generator.STATEMENT_PREFIX, block);
+  }
+  if (generator.STATEMENT_SUFFIX) {
+    xfix1 += generator.injectId(generator.STATEMENT_SUFFIX, block);
+  }
+  if (xfix1) {
+    xfix1 = generator.prefixLines(xfix1, generator.INDENT);
+  }
+  let loopTrap = '';
+  if (generator.INFINITE_LOOP_TRAP) {
+    loopTrap = generator.prefixLines(
+      generator.injectId(generator.INFINITE_LOOP_TRAP, block),
+      generator.INDENT,
+    );
+  }
+  let branch = '';
+  if (block.getInput('STACK')) {
+    // The 'procedures_defreturn' block might not have a STACK input.
+    branch = generator.statementToCode(block, 'STACK');
+  }
+  let returnValue = '';
+  if (block.getInput('RETURN')) {
+    // The 'procedures_defnoreturn' block (which shares this code)
+    // does not have a RETURN input.
+    returnValue = generator.valueToCode(block, 'RETURN', Order.NONE) || '';
+  }
+  let xfix2 = '';
+  if (branch && returnValue) {
+    // After executing the function body, revisit this block for the return.
+    xfix2 = xfix1;
+  }
+  if (returnValue) {
+    returnValue = generator.INDENT + 'return ' + returnValue + ';\n';
+  }
+  const args = [];
+  const variables = block.getVars();
+  for (let i = 0; i < variables.length; i++) {
+    args[i] = generator.getVariableName(variables[i]);
+  }
+  let code =
+    'function ' +
+    funcName +
+    '(' +
+    args.join(', ') +
+    ') {\n' +
+    xfix1 +
+    loopTrap +
+    branch +
+    xfix2 +
+    returnValue +
+    '}';
+  code = generator.scrub_(block, code);
+  // Add % so as not to collide with helper functions in definitions list.
+  // TODO(#7600): find better approach than casting to any to override
+  // CodeGenerator declaring .definitions protected.
+  (generator as AnyDuringMigration).definitions_['%' + funcName] = code;
+  return null;
+}
+
+// Defining a procedure without a return value uses the same generator as
+// a procedure with a return value.
+export const procedures_defnoreturn = procedures_defreturn;
+
+export function procedures_callreturn(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Call a procedure with a return value.
+  const funcName = generator.getProcedureName(block.getFieldValue('NAME'));
+  const args = [];
+  const variables = block.getVars();
+  for (let i = 0; i < variables.length; i++) {
+    args[i] = generator.valueToCode(block, 'ARG' + i, Order.NONE) || 'null';
+  }
+  const code = funcName + '(' + args.join(', ') + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function procedures_callnoreturn(
+  block: Block,
+  generator: JavascriptGenerator,
+) {
+  // Call a procedure with no return value.
+  // Generated code is for a function call as a statement is the same as a
+  // function call as a value, with the addition of line ending.
+  const tuple = generator.forBlock['procedures_callreturn'](
+    block,
+    generator,
+  ) as [string, Order];
+  return tuple[0] + ';\n';
+}
+
+export function procedures_ifreturn(
+  block: Block,
+  generator: JavascriptGenerator,
+) {
+  // Conditionally return value from a procedure.
+  const condition =
+    generator.valueToCode(block, 'CONDITION', Order.NONE) || 'false';
+  let code = 'if (' + condition + ') {\n';
+  if (generator.STATEMENT_SUFFIX) {
+    // Inject any statement suffix here since the regular one at the end
+    // will not get executed if the return is triggered.
+    code += generator.prefixLines(
+      generator.injectId(generator.STATEMENT_SUFFIX, block),
+      generator.INDENT,
+    );
+  }
+  if ((block as IfReturnBlock).hasReturnValue_) {
+    const value = generator.valueToCode(block, 'VALUE', Order.NONE) || 'null';
+    code += generator.INDENT + 'return ' + value + ';\n';
+  } else {
+    code += generator.INDENT + 'return;\n';
+  }
+  code += '}\n';
+  return code;
+}
diff --git a/generators/javascript/text.js b/generators/javascript/text.js
deleted file mode 100644
index 1cc0af61f18..00000000000
--- a/generators/javascript/text.js
+++ /dev/null
@@ -1,367 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating JavaScript for text blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.JavaScript.texts');
-
-goog.require('Blockly.JavaScript');
-
-
-Blockly.JavaScript['text'] = function(block) {
-  // Text value.
-  var code = Blockly.JavaScript.quote_(block.getFieldValue('TEXT'));
-  return [code, Blockly.JavaScript.ORDER_ATOMIC];
-};
-
-Blockly.JavaScript['text_multiline'] = function(block) {
-  // Text value.
-  var code = Blockly.JavaScript.multiline_quote_(block.getFieldValue('TEXT'));
-  if (code.indexOf('\n') != -1) {
-      code = '(' + code + ')'
-  }
-  return [code, Blockly.JavaScript.ORDER_ATOMIC];
-};
-
-/**
- * Enclose the provided value in 'String(...)' function.
- * Leave string literals alone.
- * @param {string} value Code evaluating to a value.
- * @return {string} Code evaluating to a string.
- * @private
- */
-Blockly.JavaScript.text.forceString_ = function(value) {
-  if (Blockly.JavaScript.text.forceString_.strRegExp.test(value)) {
-    return value;
-  }
-  return 'String(' + value + ')';
-};
-
-/**
- * Regular expression to detect a single-quoted string literal.
- */
-Blockly.JavaScript.text.forceString_.strRegExp = /^\s*'([^']|\\')*'\s*$/;
-
-Blockly.JavaScript['text_join'] = function(block) {
-  // Create a string made up of any number of elements of any type.
-  switch (block.itemCount_) {
-    case 0:
-      return ['\'\'', Blockly.JavaScript.ORDER_ATOMIC];
-    case 1:
-      var element = Blockly.JavaScript.valueToCode(block, 'ADD0',
-          Blockly.JavaScript.ORDER_NONE) || '\'\'';
-      var code = Blockly.JavaScript.text.forceString_(element);
-      return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-    case 2:
-      var element0 = Blockly.JavaScript.valueToCode(block, 'ADD0',
-          Blockly.JavaScript.ORDER_NONE) || '\'\'';
-      var element1 = Blockly.JavaScript.valueToCode(block, 'ADD1',
-          Blockly.JavaScript.ORDER_NONE) || '\'\'';
-      var code = Blockly.JavaScript.text.forceString_(element0) + ' + ' +
-          Blockly.JavaScript.text.forceString_(element1);
-      return [code, Blockly.JavaScript.ORDER_ADDITION];
-    default:
-      var elements = new Array(block.itemCount_);
-      for (var i = 0; i < block.itemCount_; i++) {
-        elements[i] = Blockly.JavaScript.valueToCode(block, 'ADD' + i,
-            Blockly.JavaScript.ORDER_COMMA) || '\'\'';
-      }
-      var code = '[' + elements.join(',') + '].join(\'\')';
-      return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-  }
-};
-
-Blockly.JavaScript['text_append'] = function(block) {
-  // Append to a variable in place.
-  var varName = Blockly.JavaScript.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  var value = Blockly.JavaScript.valueToCode(block, 'TEXT',
-      Blockly.JavaScript.ORDER_NONE) || '\'\'';
-  return varName + ' += ' + Blockly.JavaScript.text.forceString_(value) + ';\n';
-};
-
-Blockly.JavaScript['text_length'] = function(block) {
-  // String or array length.
-  var text = Blockly.JavaScript.valueToCode(block, 'VALUE',
-      Blockly.JavaScript.ORDER_FUNCTION_CALL) || '\'\'';
-  return [text + '.length', Blockly.JavaScript.ORDER_MEMBER];
-};
-
-Blockly.JavaScript['text_isEmpty'] = function(block) {
-  // Is the string null or array empty?
-  var text = Blockly.JavaScript.valueToCode(block, 'VALUE',
-      Blockly.JavaScript.ORDER_MEMBER) || '\'\'';
-  return ['!' + text + '.length', Blockly.JavaScript.ORDER_LOGICAL_NOT];
-};
-
-Blockly.JavaScript['text_indexOf'] = function(block) {
-  // Search the text for a substring.
-  var operator = block.getFieldValue('END') == 'FIRST' ?
-      'indexOf' : 'lastIndexOf';
-  var substring = Blockly.JavaScript.valueToCode(block, 'FIND',
-      Blockly.JavaScript.ORDER_NONE) || '\'\'';
-  var text = Blockly.JavaScript.valueToCode(block, 'VALUE',
-      Blockly.JavaScript.ORDER_MEMBER) || '\'\'';
-  var code = text + '.' + operator + '(' + substring + ')';
-  // Adjust index if using one-based indices.
-  if (block.workspace.options.oneBasedIndex) {
-    return [code + ' + 1', Blockly.JavaScript.ORDER_ADDITION];
-  }
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['text_charAt'] = function(block) {
-  // Get letter at index.
-  // Note: Until January 2013 this block did not have the WHERE input.
-  var where = block.getFieldValue('WHERE') || 'FROM_START';
-  var textOrder = (where == 'RANDOM') ? Blockly.JavaScript.ORDER_NONE :
-      Blockly.JavaScript.ORDER_MEMBER;
-  var text = Blockly.JavaScript.valueToCode(block, 'VALUE',
-      textOrder) || '\'\'';
-  switch (where) {
-    case 'FIRST':
-      var code = text + '.charAt(0)';
-      return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-    case 'LAST':
-      var code = text + '.slice(-1)';
-      return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-    case 'FROM_START':
-      var at = Blockly.JavaScript.getAdjusted(block, 'AT');
-      // Adjust index if using one-based indices.
-      var code = text + '.charAt(' + at + ')';
-      return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-    case 'FROM_END':
-      var at = Blockly.JavaScript.getAdjusted(block, 'AT', 1, true);
-      var code = text + '.slice(' + at + ').charAt(0)';
-      return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-    case 'RANDOM':
-      var functionName = Blockly.JavaScript.provideFunction_(
-          'textRandomLetter',
-          ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-              '(text) {',
-           '  var x = Math.floor(Math.random() * text.length);',
-           '  return text[x];',
-           '}']);
-      var code = functionName + '(' + text + ')';
-      return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-  }
-  throw Error('Unhandled option (text_charAt).');
-};
-
-/**
- * Returns an expression calculating the index into a string.
- * @param {string} stringName Name of the string, used to calculate length.
- * @param {string} where The method of indexing, selected by dropdown in Blockly
- * @param {string=} opt_at The optional offset when indexing from start/end.
- * @return {string|undefined} Index expression.
- * @private
- */
-Blockly.JavaScript.text.getIndex_ = function(stringName, where, opt_at) {
-  if (where == 'FIRST') {
-    return '0';
-  } else if (where == 'FROM_END') {
-    return stringName + '.length - 1 - ' + opt_at;
-  } else if (where == 'LAST') {
-    return stringName + '.length - 1';
-  } else {
-    return opt_at;
-  }
-};
-
-Blockly.JavaScript['text_getSubstring'] = function(block) {
-  // Get substring.
-  var text = Blockly.JavaScript.valueToCode(block, 'STRING',
-      Blockly.JavaScript.ORDER_FUNCTION_CALL) || '\'\'';
-  var where1 = block.getFieldValue('WHERE1');
-  var where2 = block.getFieldValue('WHERE2');
-  if (where1 == 'FIRST' && where2 == 'LAST') {
-    var code = text;
-  } else if (text.match(/^'?\w+'?$/) ||
-      (where1 != 'FROM_END' && where1 != 'LAST' &&
-      where2 != 'FROM_END' && where2 != 'LAST')) {
-    // If the text is a variable or literal or doesn't require a call for
-    // length, don't generate a helper function.
-    switch (where1) {
-      case 'FROM_START':
-        var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
-        break;
-      case 'FROM_END':
-        var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1', 1, false,
-            Blockly.JavaScript.ORDER_SUBTRACTION);
-        at1 = text + '.length - ' + at1;
-        break;
-      case 'FIRST':
-        var at1 = '0';
-        break;
-      default:
-        throw Error('Unhandled option (text_getSubstring).');
-    }
-    switch (where2) {
-      case 'FROM_START':
-        var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 1);
-        break;
-      case 'FROM_END':
-        var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2', 0, false,
-            Blockly.JavaScript.ORDER_SUBTRACTION);
-        at2 = text + '.length - ' + at2;
-        break;
-      case 'LAST':
-        var at2 = text + '.length';
-        break;
-      default:
-        throw Error('Unhandled option (text_getSubstring).');
-    }
-    code = text + '.slice(' + at1 + ', ' + at2 + ')';
-  } else {
-    var at1 = Blockly.JavaScript.getAdjusted(block, 'AT1');
-    var at2 = Blockly.JavaScript.getAdjusted(block, 'AT2');
-    var getIndex_ = Blockly.JavaScript.text.getIndex_;
-    var wherePascalCase = {'FIRST': 'First', 'LAST': 'Last',
-      'FROM_START': 'FromStart', 'FROM_END': 'FromEnd'};
-    var functionName = Blockly.JavaScript.provideFunction_(
-        'subsequence' + wherePascalCase[where1] + wherePascalCase[where2],
-        ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-        '(sequence' +
-        // The value for 'FROM_END' and'FROM_START' depends on `at` so
-        // we add it as a parameter.
-        ((where1 == 'FROM_END' || where1 == 'FROM_START') ? ', at1' : '') +
-        ((where2 == 'FROM_END' || where2 == 'FROM_START') ? ', at2' : '') +
-        ') {',
-          '  var start = ' + getIndex_('sequence', where1, 'at1') + ';',
-          '  var end = ' + getIndex_('sequence', where2, 'at2') + ' + 1;',
-          '  return sequence.slice(start, end);',
-          '}']);
-    var code = functionName + '(' + text +
-        // The value for 'FROM_END' and 'FROM_START' depends on `at` so we
-        // pass it.
-        ((where1 == 'FROM_END' || where1 == 'FROM_START') ? ', ' + at1 : '') +
-        ((where2 == 'FROM_END' || where2 == 'FROM_START') ? ', ' + at2 : '') +
-        ')';
-  }
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['text_changeCase'] = function(block) {
-  // Change capitalization.
-  var OPERATORS = {
-    'UPPERCASE': '.toUpperCase()',
-    'LOWERCASE': '.toLowerCase()',
-    'TITLECASE': null
-  };
-  var operator = OPERATORS[block.getFieldValue('CASE')];
-  var textOrder = operator ? Blockly.JavaScript.ORDER_MEMBER :
-      Blockly.JavaScript.ORDER_NONE;
-  var text = Blockly.JavaScript.valueToCode(block, 'TEXT',
-      textOrder) || '\'\'';
-  if (operator) {
-    // Upper and lower case are functions built into JavaScript.
-    var code = text + operator;
-  } else {
-    // Title case is not a native JavaScript function.  Define one.
-    var functionName = Blockly.JavaScript.provideFunction_(
-        'textToTitleCase',
-        ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-            '(str) {',
-         '  return str.replace(/\\S+/g,',
-         '      function(txt) {return txt[0].toUpperCase() + ' +
-            'txt.substring(1).toLowerCase();});',
-         '}']);
-    var code = functionName + '(' + text + ')';
-  }
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['text_trim'] = function(block) {
-  // Trim spaces.
-  var OPERATORS = {
-    'LEFT': ".replace(/^[\\s\\xa0]+/, '')",
-    'RIGHT': ".replace(/[\\s\\xa0]+$/, '')",
-    'BOTH': '.trim()'
-  };
-  var operator = OPERATORS[block.getFieldValue('MODE')];
-  var text = Blockly.JavaScript.valueToCode(block, 'TEXT',
-      Blockly.JavaScript.ORDER_MEMBER) || '\'\'';
-  return [text + operator, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['text_print'] = function(block) {
-  // Print statement.
-  var msg = Blockly.JavaScript.valueToCode(block, 'TEXT',
-      Blockly.JavaScript.ORDER_NONE) || '\'\'';
-  return 'window.alert(' + msg + ');\n';
-};
-
-Blockly.JavaScript['text_prompt_ext'] = function(block) {
-  // Prompt function.
-  if (block.getField('TEXT')) {
-    // Internal message.
-    var msg = Blockly.JavaScript.quote_(block.getFieldValue('TEXT'));
-  } else {
-    // External message.
-    var msg = Blockly.JavaScript.valueToCode(block, 'TEXT',
-        Blockly.JavaScript.ORDER_NONE) || '\'\'';
-  }
-  var code = 'window.prompt(' + msg + ')';
-  var toNumber = block.getFieldValue('TYPE') == 'NUMBER';
-  if (toNumber) {
-    code = 'Number(' + code + ')';
-  }
-  return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
-};
-
-Blockly.JavaScript['text_prompt'] = Blockly.JavaScript['text_prompt_ext'];
-
-Blockly.JavaScript['text_count'] = function(block) {
-  var text = Blockly.JavaScript.valueToCode(block, 'TEXT',
-      Blockly.JavaScript.ORDER_MEMBER) || '\'\'';
-  var sub = Blockly.JavaScript.valueToCode(block, 'SUB',
-      Blockly.JavaScript.ORDER_NONE) || '\'\'';
-  var functionName = Blockly.JavaScript.provideFunction_(
-      'textCount',
-      ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-          '(haystack, needle) {',
-       '  if (needle.length === 0) {',
-       '    return haystack.length + 1;',
-       '  } else {',
-       '    return haystack.split(needle).length - 1;',
-       '  }',
-       '}']);
-  var code = functionName + '(' + text + ', ' + sub + ')';
-  return [code, Blockly.JavaScript.ORDER_SUBTRACTION];
-};
-
-Blockly.JavaScript['text_replace'] = function(block) {
-  var text = Blockly.JavaScript.valueToCode(block, 'TEXT',
-      Blockly.JavaScript.ORDER_MEMBER) || '\'\'';
-  var from = Blockly.JavaScript.valueToCode(block, 'FROM',
-      Blockly.JavaScript.ORDER_NONE) || '\'\'';
-  var to = Blockly.JavaScript.valueToCode(block, 'TO',
-      Blockly.JavaScript.ORDER_NONE) || '\'\'';
-  // The regex escaping code below is taken from the implementation of
-  // goog.string.regExpEscape.
-  var functionName = Blockly.JavaScript.provideFunction_(
-      'textReplace',
-      ['function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
-          '(haystack, needle, replacement) {',
-       '  needle = ' +
-           'needle.replace(/([-()\\[\\]{}+?*.$\\^|,:#<!\\\\])/g,"\\\\$1")',
-       '                 .replace(/\\x08/g,"\\\\x08");',
-       '  return haystack.replace(new RegExp(needle, \'g\'), replacement);',
-       '}']);
-  var code = functionName + '(' + text + ', ' + from + ', ' + to + ')';
-  return [code, Blockly.JavaScript.ORDER_MEMBER];
-};
-
-Blockly.JavaScript['text_reverse'] = function(block) {
-  var text = Blockly.JavaScript.valueToCode(block, 'TEXT',
-      Blockly.JavaScript.ORDER_MEMBER) || '\'\'';
-  var code = text + '.split(\'\').reverse().join(\'\')';
-  return [code, Blockly.JavaScript.ORDER_MEMBER];
-};
diff --git a/generators/javascript/text.ts b/generators/javascript/text.ts
new file mode 100644
index 00000000000..d31bdcf4b95
--- /dev/null
+++ b/generators/javascript/text.ts
@@ -0,0 +1,418 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating JavaScript for text blocks.
+ */
+
+// Former goog.module ID: Blockly.JavaScript.texts
+
+import type {Block} from '../../core/block.js';
+import type {JavascriptGenerator} from './javascript_generator.js';
+import type {JoinMutatorBlock} from '../../blocks/text.js';
+import {Order} from './javascript_generator.js';
+
+/**
+ * Regular expression to detect a single-quoted string literal.
+ */
+const strRegExp = /^\s*'([^']|\\')*'\s*$/;
+
+/**
+ * Enclose the provided value in 'String(...)' function.
+ * Leave string literals alone.
+ * @param value Code evaluating to a value.
+ * @returns Array containing code evaluating to a string
+ *     and the order of the returned code.[string, number]
+ */
+const forceString = function (value: string): [string, Order] {
+  if (strRegExp.test(value)) {
+    return [value, Order.ATOMIC];
+  }
+  return ['String(' + value + ')', Order.FUNCTION_CALL];
+};
+
+/**
+ * Returns an expression calculating the index into a string.
+ * @param stringName Name of the string, used to calculate length.
+ * @param where The method of indexing, selected by dropdown in Blockly
+ * @param opt_at The optional offset when indexing from start/end.
+ * @returns Index expression.
+ */
+const getSubstringIndex = function (
+  stringName: string,
+  where: string,
+  opt_at?: string,
+): string | undefined {
+  if (where === 'FIRST') {
+    return '0';
+  } else if (where === 'FROM_END') {
+    return stringName + '.length - 1 - ' + opt_at;
+  } else if (where === 'LAST') {
+    return stringName + '.length - 1';
+  } else {
+    return opt_at;
+  }
+};
+
+export function text(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Text value.
+  const code = generator.quote_(block.getFieldValue('TEXT'));
+  return [code, Order.ATOMIC];
+}
+
+export function text_join(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Create a string made up of any number of elements of any type.
+  const joinBlock = block as JoinMutatorBlock;
+  switch (joinBlock.itemCount_) {
+    case 0:
+      return ["''", Order.ATOMIC];
+    case 1: {
+      const element =
+        generator.valueToCode(joinBlock, 'ADD0', Order.NONE) || "''";
+      const codeAndOrder = forceString(element);
+      return codeAndOrder;
+    }
+    case 2: {
+      const element0 =
+        generator.valueToCode(joinBlock, 'ADD0', Order.NONE) || "''";
+      const element1 =
+        generator.valueToCode(joinBlock, 'ADD1', Order.NONE) || "''";
+      const code = forceString(element0)[0] + ' + ' + forceString(element1)[0];
+      return [code, Order.ADDITION];
+    }
+    default: {
+      const elements = new Array(joinBlock.itemCount_);
+      for (let i = 0; i < joinBlock.itemCount_; i++) {
+        elements[i] =
+          generator.valueToCode(joinBlock, 'ADD' + i, Order.NONE) || "''";
+      }
+      const code = '[' + elements.join(',') + "].join('')";
+      return [code, Order.FUNCTION_CALL];
+    }
+  }
+}
+
+export function text_append(block: Block, generator: JavascriptGenerator) {
+  // Append to a variable in place.
+  const varName = generator.getVariableName(block.getFieldValue('VAR'));
+  const value = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  const code = varName + ' += ' + forceString(value)[0] + ';\n';
+  return code;
+}
+
+export function text_length(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // String or array length.
+  const text = generator.valueToCode(block, 'VALUE', Order.MEMBER) || "''";
+  return [text + '.length', Order.MEMBER];
+}
+
+export function text_isEmpty(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Is the string null or array empty?
+  const text = generator.valueToCode(block, 'VALUE', Order.MEMBER) || "''";
+  return ['!' + text + '.length', Order.LOGICAL_NOT];
+}
+
+export function text_indexOf(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Search the text for a substring.
+  const operator =
+    block.getFieldValue('END') === 'FIRST' ? 'indexOf' : 'lastIndexOf';
+  const substring = generator.valueToCode(block, 'FIND', Order.NONE) || "''";
+  const text = generator.valueToCode(block, 'VALUE', Order.MEMBER) || "''";
+  const code = text + '.' + operator + '(' + substring + ')';
+  // Adjust index if using one-based indices.
+  if (block.workspace.options.oneBasedIndex) {
+    return [code + ' + 1', Order.ADDITION];
+  }
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function text_charAt(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Get letter at index.
+  // Note: Until January 2013 this block did not have the WHERE input.
+  const where = block.getFieldValue('WHERE') || 'FROM_START';
+  const textOrder = where === 'RANDOM' ? Order.NONE : Order.MEMBER;
+  const text = generator.valueToCode(block, 'VALUE', textOrder) || "''";
+  switch (where) {
+    case 'FIRST': {
+      const code = text + '.charAt(0)';
+      return [code, Order.FUNCTION_CALL];
+    }
+    case 'LAST': {
+      const code = text + '.slice(-1)';
+      return [code, Order.FUNCTION_CALL];
+    }
+    case 'FROM_START': {
+      const at = generator.getAdjusted(block, 'AT');
+      // Adjust index if using one-based indices.
+      const code = text + '.charAt(' + at + ')';
+      return [code, Order.FUNCTION_CALL];
+    }
+    case 'FROM_END': {
+      const at = generator.getAdjusted(block, 'AT', 1, true);
+      const code = text + '.slice(' + at + ').charAt(0)';
+      return [code, Order.FUNCTION_CALL];
+    }
+    case 'RANDOM': {
+      const functionName = generator.provideFunction_(
+        'textRandomLetter',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(text) {
+  var x = Math.floor(Math.random() * text.length);
+  return text[x];
+}
+`,
+      );
+      const code = functionName + '(' + text + ')';
+      return [code, Order.FUNCTION_CALL];
+    }
+  }
+  throw Error('Unhandled option (text_charAt).');
+}
+
+export function text_getSubstring(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Dictionary of WHEREn field choices and their CamelCase equivalents. */
+  const wherePascalCase = {
+    'FIRST': 'First',
+    'LAST': 'Last',
+    'FROM_START': 'FromStart',
+    'FROM_END': 'FromEnd',
+  };
+  type WhereOption = keyof typeof wherePascalCase;
+  // Get substring.
+  const where1 = block.getFieldValue('WHERE1') as WhereOption;
+  const where2 = block.getFieldValue('WHERE2') as WhereOption;
+  const requiresLengthCall =
+    where1 !== 'FROM_END' &&
+    where1 !== 'LAST' &&
+    where2 !== 'FROM_END' &&
+    where2 !== 'LAST';
+  const textOrder = requiresLengthCall ? Order.MEMBER : Order.NONE;
+  const text = generator.valueToCode(block, 'STRING', textOrder) || "''";
+  let code;
+  if (where1 === 'FIRST' && where2 === 'LAST') {
+    code = text;
+    return [code, Order.NONE];
+  } else if (text.match(/^'?\w+'?$/) || requiresLengthCall) {
+    // If the text is a variable or literal or doesn't require a call for
+    // length, don't generate a helper function.
+    let at1;
+    switch (where1) {
+      case 'FROM_START':
+        at1 = generator.getAdjusted(block, 'AT1');
+        break;
+      case 'FROM_END':
+        at1 = generator.getAdjusted(block, 'AT1', 1, false, Order.SUBTRACTION);
+        at1 = text + '.length - ' + at1;
+        break;
+      case 'FIRST':
+        at1 = '0';
+        break;
+      default:
+        throw Error('Unhandled option (text_getSubstring).');
+    }
+    let at2;
+    switch (where2) {
+      case 'FROM_START':
+        at2 = generator.getAdjusted(block, 'AT2', 1);
+        break;
+      case 'FROM_END':
+        at2 = generator.getAdjusted(block, 'AT2', 0, false, Order.SUBTRACTION);
+        at2 = text + '.length - ' + at2;
+        break;
+      case 'LAST':
+        at2 = text + '.length';
+        break;
+      default:
+        throw Error('Unhandled option (text_getSubstring).');
+    }
+    code = text + '.slice(' + at1 + ', ' + at2 + ')';
+  } else {
+    const at1 = generator.getAdjusted(block, 'AT1');
+    const at2 = generator.getAdjusted(block, 'AT2');
+    // The value for 'FROM_END' and'FROM_START' depends on `at` so
+    // we add it as a parameter.
+    const at1Param =
+      where1 === 'FROM_END' || where1 === 'FROM_START' ? ', at1' : '';
+    const at2Param =
+      where2 === 'FROM_END' || where2 === 'FROM_START' ? ', at2' : '';
+    const functionName = generator.provideFunction_(
+      'subsequence' + wherePascalCase[where1] + wherePascalCase[where2],
+      `
+function ${
+        generator.FUNCTION_NAME_PLACEHOLDER_
+      }(sequence${at1Param}${at2Param}) {
+  var start = ${getSubstringIndex('sequence', where1, 'at1')};
+  var end = ${getSubstringIndex('sequence', where2, 'at2')} + 1;
+  return sequence.slice(start, end);
+}
+`,
+    );
+    code =
+      functionName +
+      '(' +
+      text +
+      // The value for 'FROM_END' and 'FROM_START' depends on `at` so we
+      // pass it.
+      (where1 === 'FROM_END' || where1 === 'FROM_START' ? ', ' + at1 : '') +
+      (where2 === 'FROM_END' || where2 === 'FROM_START' ? ', ' + at2 : '') +
+      ')';
+  }
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function text_changeCase(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Change capitalization.
+  const OPERATORS = {
+    'UPPERCASE': '.toUpperCase()',
+    'LOWERCASE': '.toLowerCase()',
+    'TITLECASE': null,
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const operator = OPERATORS[block.getFieldValue('CASE') as OperatorOption];
+  const textOrder = operator ? Order.MEMBER : Order.NONE;
+  const text = generator.valueToCode(block, 'TEXT', textOrder) || "''";
+  let code;
+  if (operator) {
+    // Upper and lower case are functions built into generator.
+    code = text + operator;
+  } else {
+    // Title case is not a native JavaScript function.  Define one.
+    const functionName = generator.provideFunction_(
+      'textToTitleCase',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(str) {
+  return str.replace(/\\S+/g,
+      function(txt) {return txt[0].toUpperCase() + txt.substring(1).toLowerCase();});
+}
+`,
+    );
+    code = functionName + '(' + text + ')';
+  }
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function text_trim(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Trim spaces.
+  const OPERATORS = {
+    'LEFT': ".replace(/^[\\s\\xa0]+/, '')",
+    'RIGHT': ".replace(/[\\s\\xa0]+$/, '')",
+    'BOTH': '.trim()',
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const operator = OPERATORS[block.getFieldValue('MODE') as OperatorOption];
+  const text = generator.valueToCode(block, 'TEXT', Order.MEMBER) || "''";
+  return [text + operator, Order.FUNCTION_CALL];
+}
+
+export function text_print(block: Block, generator: JavascriptGenerator) {
+  // Print statement.
+  const msg = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  return 'window.alert(' + msg + ');\n';
+}
+
+export function text_prompt_ext(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Prompt function.
+  let msg;
+  if (block.getField('TEXT')) {
+    // Internal message.
+    msg = generator.quote_(block.getFieldValue('TEXT'));
+  } else {
+    // External message.
+    msg = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  }
+  let code = 'window.prompt(' + msg + ')';
+  const toNumber = block.getFieldValue('TYPE') === 'NUMBER';
+  if (toNumber) {
+    code = 'Number(' + code + ')';
+  }
+  return [code, Order.FUNCTION_CALL];
+}
+
+export const text_prompt = text_prompt_ext;
+
+export function text_count(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  const text = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  const sub = generator.valueToCode(block, 'SUB', Order.NONE) || "''";
+  const functionName = generator.provideFunction_(
+    'textCount',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(haystack, needle) {
+  if (needle.length === 0) {
+    return haystack.length + 1;
+  } else {
+    return haystack.split(needle).length - 1;
+  }
+}
+`,
+  );
+  const code = functionName + '(' + text + ', ' + sub + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function text_replace(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  const text = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  const from = generator.valueToCode(block, 'FROM', Order.NONE) || "''";
+  const to = generator.valueToCode(block, 'TO', Order.NONE) || "''";
+  // The regex escaping code below is taken from the implementation of
+  // goog.string.regExpEscape.
+  const functionName = generator.provideFunction_(
+    'textReplace',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(haystack, needle, replacement) {
+  needle = needle.replace(/([-()\\[\\]{}+?*.$\\^|,:#<!\\\\])/g, '\\\\$1')
+                 .replace(/\\x08/g, '\\\\x08');
+  return haystack.replace(new RegExp(needle, 'g'), replacement);
+}
+`,
+  );
+  const code = functionName + '(' + text + ', ' + from + ', ' + to + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function text_reverse(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  const text = generator.valueToCode(block, 'TEXT', Order.MEMBER) || "''";
+  const code = text + ".split('').reverse().join('')";
+  return [code, Order.FUNCTION_CALL];
+}
diff --git a/generators/javascript/variables.js b/generators/javascript/variables.js
deleted file mode 100644
index 5ff961d2c8b..00000000000
--- a/generators/javascript/variables.js
+++ /dev/null
@@ -1,32 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating JavaScript for variable blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.JavaScript.variables');
-
-goog.require('Blockly.JavaScript');
-
-
-Blockly.JavaScript['variables_get'] = function(block) {
-  // Variable getter.
-  var code = Blockly.JavaScript.variableDB_.getName(block.getFieldValue('VAR'),
-      Blockly.VARIABLE_CATEGORY_NAME);
-  return [code, Blockly.JavaScript.ORDER_ATOMIC];
-};
-
-Blockly.JavaScript['variables_set'] = function(block) {
-  // Variable setter.
-  var argument0 = Blockly.JavaScript.valueToCode(block, 'VALUE',
-      Blockly.JavaScript.ORDER_ASSIGNMENT) || '0';
-  var varName = Blockly.JavaScript.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  return varName + ' = ' + argument0 + ';\n';
-};
diff --git a/generators/javascript/variables.ts b/generators/javascript/variables.ts
new file mode 100644
index 00000000000..33a4f7d3102
--- /dev/null
+++ b/generators/javascript/variables.ts
@@ -0,0 +1,32 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating JavaScript for variable blocks.
+ */
+
+// Former goog.module ID: Blockly.JavaScript.variables
+
+import type {Block} from '../../core/block.js';
+import type {JavascriptGenerator} from './javascript_generator.js';
+import {Order} from './javascript_generator.js';
+
+export function variables_get(
+  block: Block,
+  generator: JavascriptGenerator,
+): [string, Order] {
+  // Variable getter.
+  const code = generator.getVariableName(block.getFieldValue('VAR'));
+  return [code, Order.ATOMIC];
+}
+
+export function variables_set(block: Block, generator: JavascriptGenerator) {
+  // Variable setter.
+  const argument0 =
+    generator.valueToCode(block, 'VALUE', Order.ASSIGNMENT) || '0';
+  const varName = generator.getVariableName(block.getFieldValue('VAR'));
+  return varName + ' = ' + argument0 + ';\n';
+}
diff --git a/generators/javascript/variables_dynamic.js b/generators/javascript/variables_dynamic.js
deleted file mode 100644
index 1862b3d27bd..00000000000
--- a/generators/javascript/variables_dynamic.js
+++ /dev/null
@@ -1,23 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating JavaScript for dynamic variable blocks.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.JavaScript.variablesDynamic');
-
-goog.require('Blockly.JavaScript');
-goog.require('Blockly.JavaScript.variables');
-
-
-// JavaScript is dynamically typed.
-Blockly.JavaScript['variables_get_dynamic'] =
-    Blockly.JavaScript['variables_get'];
-Blockly.JavaScript['variables_set_dynamic'] =
-    Blockly.JavaScript['variables_set'];
diff --git a/generators/javascript/variables_dynamic.ts b/generators/javascript/variables_dynamic.ts
new file mode 100644
index 00000000000..27cd214e4b4
--- /dev/null
+++ b/generators/javascript/variables_dynamic.ts
@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating JavaScript for dynamic variable blocks.
+ */
+
+// Former goog.module ID: Blockly.JavaScript.variablesDynamic
+
+// JavaScript is dynamically typed.
+export {
+  variables_get as variables_get_dynamic,
+  variables_set as variables_set_dynamic,
+} from './variables.js';
diff --git a/generators/lua.js b/generators/lua.js
deleted file mode 100644
index 047fcff0f8b..00000000000
--- a/generators/lua.js
+++ /dev/null
@@ -1,198 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Helper functions for generating Lua for blocks.
- * @author rodrigoq@google.com (Rodrigo Queiro)
- * Based on Ellen Spertus's blocky-lua project.
- */
-'use strict';
-
-goog.provide('Blockly.Lua');
-
-goog.require('Blockly.Generator');
-goog.require('Blockly.utils.string');
-
-
-/**
- * Lua code generator.
- * @type {!Blockly.Generator}
- */
-Blockly.Lua = new Blockly.Generator('Lua');
-
-/**
- * List of illegal variable names.
- * This is not intended to be a security feature.  Blockly is 100% client-side,
- * so bypassing this list is trivial.  This is intended to prevent users from
- * accidentally clobbering a built-in object or function.
- * @private
- */
-Blockly.Lua.addReservedWords(
-    // Special character
-    '_,' +
-    // From theoriginalbit's script:
-    // https://github.com/espertus/blockly-lua/issues/6
-    '__inext,assert,bit,colors,colours,coroutine,disk,dofile,error,fs,' +
-    'fetfenv,getmetatable,gps,help,io,ipairs,keys,loadfile,loadstring,math,' +
-    'native,next,os,paintutils,pairs,parallel,pcall,peripheral,print,' +
-    'printError,rawequal,rawget,rawset,read,rednet,redstone,rs,select,' +
-    'setfenv,setmetatable,sleep,string,table,term,textutils,tonumber,' +
-    'tostring,turtle,type,unpack,vector,write,xpcall,_VERSION,__indext,' +
-    // Not included in the script, probably because it wasn't enabled:
-    'HTTP,' +
-    // Keywords (http://www.lua.org/pil/1.3.html).
-    'and,break,do,else,elseif,end,false,for,function,if,in,local,nil,not,or,' +
-    'repeat,return,then,true,until,while,' +
-    // Metamethods (http://www.lua.org/manual/5.2/manual.html).
-    'add,sub,mul,div,mod,pow,unm,concat,len,eq,lt,le,index,newindex,call,' +
-    // Basic functions (http://www.lua.org/manual/5.2/manual.html, section 6.1).
-    'assert,collectgarbage,dofile,error,_G,getmetatable,inpairs,load,' +
-    'loadfile,next,pairs,pcall,print,rawequal,rawget,rawlen,rawset,select,' +
-    'setmetatable,tonumber,tostring,type,_VERSION,xpcall,' +
-    // Modules (http://www.lua.org/manual/5.2/manual.html, section 6.3).
-    'require,package,string,table,math,bit32,io,file,os,debug'
-);
-
-/**
- * Order of operation ENUMs.
- * http://www.lua.org/manual/5.3/manual.html#3.4.8
- */
-Blockly.Lua.ORDER_ATOMIC = 0;          // literals
-// The next level was not explicit in documentation and inferred by Ellen.
-Blockly.Lua.ORDER_HIGH = 1;            // Function calls, tables[]
-Blockly.Lua.ORDER_EXPONENTIATION = 2;  // ^
-Blockly.Lua.ORDER_UNARY = 3;           // not # - ~
-Blockly.Lua.ORDER_MULTIPLICATIVE = 4;  // * / %
-Blockly.Lua.ORDER_ADDITIVE = 5;        // + -
-Blockly.Lua.ORDER_CONCATENATION = 6;   // ..
-Blockly.Lua.ORDER_RELATIONAL = 7;      // < > <=  >= ~= ==
-Blockly.Lua.ORDER_AND = 8;             // and
-Blockly.Lua.ORDER_OR = 9;              // or
-Blockly.Lua.ORDER_NONE = 99;
-
-/**
- * Note: Lua is not supporting zero-indexing since the language itself is
- * one-indexed, so the generator does not repoct the oneBasedIndex configuration
- * option used for lists and text.
- */
-
-/**
- * Initialise the database of variable names.
- * @param {!Blockly.Workspace} workspace Workspace to generate code from.
- */
-Blockly.Lua.init = function(workspace) {
-  // Create a dictionary of definitions to be printed before the code.
-  Blockly.Lua.definitions_ = Object.create(null);
-  // Create a dictionary mapping desired function names in definitions_
-  // to actual function names (to avoid collisions with user functions).
-  Blockly.Lua.functionNames_ = Object.create(null);
-
-  if (!Blockly.Lua.variableDB_) {
-    Blockly.Lua.variableDB_ =
-        new Blockly.Names(Blockly.Lua.RESERVED_WORDS_);
-  } else {
-    Blockly.Lua.variableDB_.reset();
-  }
-  Blockly.Lua.variableDB_.setVariableMap(workspace.getVariableMap());
-};
-
-/**
- * Prepend the generated code with the variable definitions.
- * @param {string} code Generated code.
- * @return {string} Completed code.
- */
-Blockly.Lua.finish = function(code) {
-  // Convert the definitions dictionary into a list.
-  var definitions = [];
-  for (var name in Blockly.Lua.definitions_) {
-    definitions.push(Blockly.Lua.definitions_[name]);
-  }
-  // Clean up temporary data.
-  delete Blockly.Lua.definitions_;
-  delete Blockly.Lua.functionNames_;
-  Blockly.Lua.variableDB_.reset();
-  return definitions.join('\n\n') + '\n\n\n' + code;
-};
-
-/**
- * Naked values are top-level blocks with outputs that aren't plugged into
- * anything. In Lua, an expression is not a legal statement, so we must assign
- * the value to the (conventionally ignored) _.
- * http://lua-users.org/wiki/ExpressionsAsStatements
- * @param {string} line Line of generated code.
- * @return {string} Legal line of code.
- */
-Blockly.Lua.scrubNakedValue = function(line) {
-  return 'local _ = ' + line + '\n';
-};
-
-/**
- * Encode a string as a properly escaped Lua string, complete with
- * quotes.
- * @param {string} string Text to encode.
- * @return {string} Lua string.
- * @private
- */
-Blockly.Lua.quote_ = function(string) {
-  string = string.replace(/\\/g, '\\\\')
-                 .replace(/\n/g, '\\\n')
-                 .replace(/'/g, '\\\'');
-  return '\'' + string + '\'';
-};
-
-/**
- * Encode a string as a properly escaped multiline Lua string, complete with
- * quotes.
- * @param {string} string Text to encode.
- * @return {string} Lua string.
- * @private
- */
-Blockly.Lua.multiline_quote_ = function(string) {
-  var lines = string.split(/\n/g).map(Blockly.Lua.quote_);
-  // Join with the following, plus a newline:
-  // .. '\n' ..
-  return lines.join(' .. \'\\n\' ..\n');
-};
-
-/**
- * Common tasks for generating Lua from blocks.
- * Handles comments for the specified block and any connected value blocks.
- * Calls any statements following this block.
- * @param {!Blockly.Block} block The current block.
- * @param {string} code The Lua code created for this block.
- * @param {boolean=} opt_thisOnly True to generate code for only this statement.
- * @return {string} Lua code with comments and subsequent blocks added.
- * @private
- */
-Blockly.Lua.scrub_ = function(block, code, opt_thisOnly) {
-  var commentCode = '';
-  // Only collect comments for blocks that aren't inline.
-  if (!block.outputConnection || !block.outputConnection.targetConnection) {
-    // Collect comment for this block.
-    var comment = block.getCommentText();
-    if (comment) {
-      comment = Blockly.utils.string.wrap(comment,
-          Blockly.Lua.COMMENT_WRAP - 3);
-      commentCode += Blockly.Lua.prefixLines(comment, '-- ') + '\n';
-    }
-    // Collect comments for all value arguments.
-    // Don't collect comments for nested statements.
-    for (var i = 0; i < block.inputList.length; i++) {
-      if (block.inputList[i].type == Blockly.INPUT_VALUE) {
-        var childBlock = block.inputList[i].connection.targetBlock();
-        if (childBlock) {
-          comment = Blockly.Lua.allNestedComments(childBlock);
-          if (comment) {
-            commentCode += Blockly.Lua.prefixLines(comment, '-- ');
-          }
-        }
-      }
-    }
-  }
-  var nextBlock = block.nextConnection && block.nextConnection.targetBlock();
-  var nextCode = opt_thisOnly ? '' : Blockly.Lua.blockToCode(nextBlock);
-  return commentCode + code + nextCode;
-};
diff --git a/generators/lua.ts b/generators/lua.ts
new file mode 100644
index 00000000000..0cf81fb961f
--- /dev/null
+++ b/generators/lua.ts
@@ -0,0 +1,44 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Complete helper functions for generating Lua for
+ *     blocks.  This is the entrypoint for lua_compressed.js.
+ */
+
+// Former goog.module ID: Blockly.Lua.all
+
+import {LuaGenerator} from './lua/lua_generator.js';
+import * as lists from './lua/lists.js';
+import * as logic from './lua/logic.js';
+import * as loops from './lua/loops.js';
+import * as math from './lua/math.js';
+import * as procedures from './lua/procedures.js';
+import * as text from './lua/text.js';
+import * as variables from './lua/variables.js';
+import * as variablesDynamic from './lua/variables_dynamic.js';
+
+export * from './lua/lua_generator.js';
+
+/**
+ * Lua code generator instance.
+ */
+export const luaGenerator = new LuaGenerator();
+
+// Install per-block-type generator functions:
+const generators: typeof luaGenerator.forBlock = {
+  ...lists,
+  ...logic,
+  ...loops,
+  ...math,
+  ...procedures,
+  ...text,
+  ...variables,
+  ...variablesDynamic,
+};
+for (const name in generators) {
+  luaGenerator.forBlock[name] = generators[name];
+}
diff --git a/generators/lua/colour.js b/generators/lua/colour.js
deleted file mode 100644
index 43db10d78d7..00000000000
--- a/generators/lua/colour.js
+++ /dev/null
@@ -1,76 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Lua for colour blocks.
- * @author rodrigoq@google.com (Rodrigo Queiro)
- */
-'use strict';
-
-goog.provide('Blockly.Lua.colour');
-
-goog.require('Blockly.Lua');
-
-
-Blockly.Lua['colour_picker'] = function(block) {
-  // Colour picker.
-  var code = Blockly.Lua.quote_(block.getFieldValue('COLOUR'));
-  return [code, Blockly.Lua.ORDER_ATOMIC];
-};
-
-Blockly.Lua['colour_random'] = function(block) {
-  // Generate a random colour.
-  var code = 'string.format("#%06x", math.random(0, 2^24 - 1))';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['colour_rgb'] = function(block) {
-  // Compose a colour from RGB components expressed as percentages.
-  var functionName = Blockly.Lua.provideFunction_(
-      'colour_rgb',
-      ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(r, g, b)',
-       '  r = math.floor(math.min(100, math.max(0, r)) * 2.55 + .5)',
-       '  g = math.floor(math.min(100, math.max(0, g)) * 2.55 + .5)',
-       '  b = math.floor(math.min(100, math.max(0, b)) * 2.55 + .5)',
-       '  return string.format("#%02x%02x%02x", r, g, b)',
-       'end']);
-  var r = Blockly.Lua.valueToCode(block, 'RED',
-      Blockly.Lua.ORDER_NONE) || 0;
-  var g = Blockly.Lua.valueToCode(block, 'GREEN',
-      Blockly.Lua.ORDER_NONE) || 0;
-  var b = Blockly.Lua.valueToCode(block, 'BLUE',
-      Blockly.Lua.ORDER_NONE) || 0;
-  var code = functionName + '(' + r + ', ' + g + ', ' + b + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['colour_blend'] = function(block) {
-  // Blend two colours together.
-  var functionName = Blockly.Lua.provideFunction_(
-      'colour_blend',
-      ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ +
-           '(colour1, colour2, ratio)',
-       '  local r1 = tonumber(string.sub(colour1, 2, 3), 16)',
-       '  local r2 = tonumber(string.sub(colour2, 2, 3), 16)',
-       '  local g1 = tonumber(string.sub(colour1, 4, 5), 16)',
-       '  local g2 = tonumber(string.sub(colour2, 4, 5), 16)',
-       '  local b1 = tonumber(string.sub(colour1, 6, 7), 16)',
-       '  local b2 = tonumber(string.sub(colour2, 6, 7), 16)',
-       '  local ratio = math.min(1, math.max(0, ratio))',
-       '  local r = math.floor(r1 * (1 - ratio) + r2 * ratio + .5)',
-       '  local g = math.floor(g1 * (1 - ratio) + g2 * ratio + .5)',
-       '  local b = math.floor(b1 * (1 - ratio) + b2 * ratio + .5)',
-       '  return string.format("#%02x%02x%02x", r, g, b)',
-       'end']);
-  var colour1 = Blockly.Lua.valueToCode(block, 'COLOUR1',
-      Blockly.Lua.ORDER_NONE) || '\'#000000\'';
-  var colour2 = Blockly.Lua.valueToCode(block, 'COLOUR2',
-      Blockly.Lua.ORDER_NONE) || '\'#000000\'';
-  var ratio = Blockly.Lua.valueToCode(block, 'RATIO',
-      Blockly.Lua.ORDER_NONE) || 0;
-  var code = functionName + '(' + colour1 + ', ' + colour2 + ', ' + ratio + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
diff --git a/generators/lua/lists.js b/generators/lua/lists.js
deleted file mode 100644
index 5c3831a0257..00000000000
--- a/generators/lua/lists.js
+++ /dev/null
@@ -1,368 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Lua for list blocks.
- * @author rodrigoq@google.com (Rodrigo Queiro)
- */
-'use strict';
-
-goog.provide('Blockly.Lua.lists');
-
-goog.require('Blockly.Lua');
-
-
-Blockly.Lua['lists_create_empty'] = function(block) {
-  // Create an empty list.
-  return ['{}', Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['lists_create_with'] = function(block) {
-  // Create a list with any number of elements of any type.
-  var elements = new Array(block.itemCount_);
-  for (var i = 0; i < block.itemCount_; i++) {
-    elements[i] = Blockly.Lua.valueToCode(block, 'ADD' + i,
-        Blockly.Lua.ORDER_NONE) || 'None';
-  }
-  var code = '{' + elements.join(', ') + '}';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['lists_repeat'] = function(block) {
-  // Create a list with one element repeated.
-  var functionName = Blockly.Lua.provideFunction_(
-      'create_list_repeated',
-      ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(item, count)',
-       '  local t = {}',
-       '  for i = 1, count do',
-       '    table.insert(t, item)',
-       '  end',
-       '  return t',
-       'end']);
-  var element = Blockly.Lua.valueToCode(block, 'ITEM',
-      Blockly.Lua.ORDER_NONE) || 'None';
-  var repeatCount = Blockly.Lua.valueToCode(block, 'NUM',
-      Blockly.Lua.ORDER_NONE) || '0';
-  var code = functionName + '(' + element + ', ' + repeatCount + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['lists_length'] = function(block) {
-  // String or array length.
-  var list = Blockly.Lua.valueToCode(block, 'VALUE',
-      Blockly.Lua.ORDER_UNARY) || '{}';
-  return ['#' + list, Blockly.Lua.ORDER_UNARY];
-};
-
-Blockly.Lua['lists_isEmpty'] = function(block) {
-  // Is the string null or array empty?
-  var list = Blockly.Lua.valueToCode(block, 'VALUE',
-      Blockly.Lua.ORDER_UNARY) || '{}';
-  var code = '#' + list + ' == 0';
-  return [code, Blockly.Lua.ORDER_RELATIONAL];
-};
-
-Blockly.Lua['lists_indexOf'] = function(block) {
-  // Find an item in the list.
-  var item = Blockly.Lua.valueToCode(block, 'FIND',
-      Blockly.Lua.ORDER_NONE) || '\'\'';
-  var list = Blockly.Lua.valueToCode(block, 'VALUE',
-      Blockly.Lua.ORDER_NONE) || '{}';
-  if (block.getFieldValue('END') == 'FIRST') {
-    var functionName = Blockly.Lua.provideFunction_(
-        'first_index',
-        ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(t, elem)',
-         '  for k, v in ipairs(t) do',
-         '    if v == elem then',
-         '      return k',
-         '    end',
-         '  end',
-         '  return 0',
-         'end']);
-  } else {
-    var functionName = Blockly.Lua.provideFunction_(
-        'last_index',
-        ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(t, elem)',
-         '  for i = #t, 1, -1 do',
-         '    if t[i] == elem then',
-         '      return i',
-         '    end',
-         '  end',
-         '  return 0',
-         'end']);
-  }
-  var code = functionName + '(' + list + ', ' + item + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-/**
- * Returns an expression calculating the index into a list.
- * @param {string} listName Name of the list, used to calculate length.
- * @param {string} where The method of indexing, selected by dropdown in Blockly
- * @param {string=} opt_at The optional offset when indexing from start/end.
- * @return {string|undefined} Index expression.
- * @private
- */
-Blockly.Lua.lists.getIndex_ = function(listName, where, opt_at) {
-  if (where == 'FIRST') {
-    return '1';
-  } else if (where == 'FROM_END') {
-    return '#' + listName + ' + 1 - ' + opt_at;
-  } else if (where == 'LAST') {
-    return '#' + listName;
-  } else if (where == 'RANDOM') {
-    return 'math.random(#' + listName + ')';
-  } else {
-    return opt_at;
-  }
-};
-
-Blockly.Lua['lists_getIndex'] = function(block) {
-  // Get element at index.
-  // Note: Until January 2013 this block did not have MODE or WHERE inputs.
-  var mode = block.getFieldValue('MODE') || 'GET';
-  var where = block.getFieldValue('WHERE') || 'FROM_START';
-  var list = Blockly.Lua.valueToCode(block, 'VALUE', Blockly.Lua.ORDER_HIGH) ||
-      '({})';
-  var getIndex_ = Blockly.Lua.lists.getIndex_;
-
-  // If `list` would be evaluated more than once (which is the case for LAST,
-  // FROM_END, and RANDOM) and is non-trivial, make sure to access it only once.
-  if ((where == 'LAST' || where == 'FROM_END' || where == 'RANDOM') &&
-      !list.match(/^\w+$/)) {
-    // `list` is an expression, so we may not evaluate it more than once.
-    if (mode == 'REMOVE') {
-      // We can use multiple statements.
-      var atOrder = (where == 'FROM_END') ? Blockly.Lua.ORDER_ADDITIVE :
-          Blockly.Lua.ORDER_NONE;
-      var at = Blockly.Lua.valueToCode(block, 'AT', atOrder) || '1';
-      var listVar = Blockly.Lua.variableDB_.getDistinctName(
-          'tmp_list', Blockly.VARIABLE_CATEGORY_NAME);
-      at = getIndex_(listVar, where, at);
-      var code = listVar + ' = ' + list + '\n' +
-          'table.remove(' + listVar + ', ' + at + ')\n';
-      return code;
-    } else {
-      // We need to create a procedure to avoid reevaluating values.
-      var at = Blockly.Lua.valueToCode(block, 'AT', Blockly.Lua.ORDER_NONE) ||
-          '1';
-      if (mode == 'GET') {
-        var functionName = Blockly.Lua.provideFunction_(
-            'list_get_' + where.toLowerCase(),
-            ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(t' +
-                // The value for 'FROM_END' and'FROM_START' depends on `at` so
-                // we add it as a parameter.
-                ((where == 'FROM_END' || where == 'FROM_START') ?
-                    ', at)' : ')'),
-             '  return t[' + getIndex_('t', where, 'at') + ']',
-             'end']);
-      } else {  //  mode == 'GET_REMOVE'
-        var functionName = Blockly.Lua.provideFunction_(
-            'list_remove_' + where.toLowerCase(),
-            ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(t' +
-                // The value for 'FROM_END' and'FROM_START' depends on `at` so
-                // we add it as a parameter.
-                ((where == 'FROM_END' || where == 'FROM_START') ?
-                    ', at)' : ')'),
-             '  return table.remove(t, ' + getIndex_('t', where, 'at') + ')',
-             'end']);
-      }
-      var code = functionName + '(' + list +
-          // The value for 'FROM_END' and 'FROM_START' depends on `at` so we
-          // pass it.
-          ((where == 'FROM_END' || where == 'FROM_START') ? ', ' + at : '') +
-          ')';
-      return [code, Blockly.Lua.ORDER_HIGH];
-    }
-  } else {
-    // Either `list` is a simple variable, or we only need to refer to `list`
-    // once.
-    var atOrder = (mode == 'GET' && where == 'FROM_END') ?
-        Blockly.Lua.ORDER_ADDITIVE : Blockly.Lua.ORDER_NONE;
-    var at = Blockly.Lua.valueToCode(block, 'AT', atOrder) || '1';
-    at = getIndex_(list, where, at);
-    if (mode == 'GET') {
-      var code = list + '[' + at + ']';
-      return [code, Blockly.Lua.ORDER_HIGH];
-    } else {
-      var code = 'table.remove(' + list + ', ' + at + ')';
-      if (mode == 'GET_REMOVE') {
-        return [code, Blockly.Lua.ORDER_HIGH];
-      } else {  // `mode` == 'REMOVE'
-        return code + '\n';
-      }
-    }
-  }
-};
-
-Blockly.Lua['lists_setIndex'] = function(block) {
-  // Set element at index.
-  // Note: Until February 2013 this block did not have MODE or WHERE inputs.
-  var list = Blockly.Lua.valueToCode(block, 'LIST',
-      Blockly.Lua.ORDER_HIGH) || '{}';
-  var mode = block.getFieldValue('MODE') || 'SET';
-  var where = block.getFieldValue('WHERE') || 'FROM_START';
-  var at = Blockly.Lua.valueToCode(block, 'AT',
-      Blockly.Lua.ORDER_ADDITIVE) || '1';
-  var value = Blockly.Lua.valueToCode(block, 'TO',
-      Blockly.Lua.ORDER_NONE) || 'None';
-  var getIndex_ = Blockly.Lua.lists.getIndex_;
-
-  var code = '';
-  // If `list` would be evaluated more than once (which is the case for LAST,
-  // FROM_END, and RANDOM) and is non-trivial, make sure to access it only once.
-  if ((where == 'LAST' || where == 'FROM_END' || where == 'RANDOM') &&
-      !list.match(/^\w+$/)) {
-    // `list` is an expression, so we may not evaluate it more than once.
-    // We can use multiple statements.
-    var listVar = Blockly.Lua.variableDB_.getDistinctName(
-        'tmp_list', Blockly.VARIABLE_CATEGORY_NAME);
-    code = listVar + ' = ' + list + '\n';
-    list = listVar;
-  }
-  if (mode == 'SET') {
-    code += list + '[' + getIndex_(list, where, at) + '] = ' + value;
-  } else {  // `mode` == 'INSERT'
-    // LAST is a special case, because we want to insert
-    // *after* not *before*, the existing last element.
-    code += 'table.insert(' + list + ', ' +
-        (getIndex_(list, where, at) + (where == 'LAST' ? ' + 1' : '')) +
-        ', ' + value + ')';
-  }
-  return code + '\n';
-};
-
-Blockly.Lua['lists_getSublist'] = function(block) {
-  // Get sublist.
-  var list = Blockly.Lua.valueToCode(block, 'LIST',
-      Blockly.Lua.ORDER_NONE) || '{}';
-  var where1 = block.getFieldValue('WHERE1');
-  var where2 = block.getFieldValue('WHERE2');
-  var at1 = Blockly.Lua.valueToCode(block, 'AT1',
-      Blockly.Lua.ORDER_NONE) || '1';
-  var at2 = Blockly.Lua.valueToCode(block, 'AT2',
-      Blockly.Lua.ORDER_NONE) || '1';
-  var getIndex_ = Blockly.Lua.lists.getIndex_;
-
-  var functionName = Blockly.Lua.provideFunction_(
-      'list_sublist_' + where1.toLowerCase() + '_' + where2.toLowerCase(),
-      ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(source' +
-          // The value for 'FROM_END' and'FROM_START' depends on `at` so
-          // we add it as a parameter.
-          ((where1 == 'FROM_END' || where1 == 'FROM_START') ? ', at1' : '') +
-          ((where2 == 'FROM_END' || where2 == 'FROM_START') ? ', at2' : '') +
-          ')',
-       '  local t = {}',
-       '  local start = ' + getIndex_('source', where1, 'at1'),
-       '  local finish = ' + getIndex_('source', where2, 'at2'),
-       '  for i = start, finish do',
-       '    table.insert(t, source[i])',
-       '  end',
-       '  return t',
-       'end']);
-  var code = functionName + '(' + list +
-      // The value for 'FROM_END' and 'FROM_START' depends on `at` so we
-      // pass it.
-      ((where1 == 'FROM_END' || where1 == 'FROM_START') ? ', ' + at1 : '') +
-      ((where2 == 'FROM_END' || where2 == 'FROM_START') ? ', ' + at2 : '') +
-      ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['lists_sort'] = function(block) {
-  // Block for sorting a list.
-  var list = Blockly.Lua.valueToCode(
-      block, 'LIST', Blockly.Lua.ORDER_NONE) || '{}';
-  var direction = block.getFieldValue('DIRECTION') === '1' ? 1 : -1;
-  var type = block.getFieldValue('TYPE');
-
-  var functionName = Blockly.Lua.provideFunction_(
-      'list_sort',
-      ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ +
-          '(list, typev, direction)',
-       '  local t = {}',
-       '  for n,v in pairs(list) do table.insert(t, v) end', // Shallow-copy.
-       '  local compareFuncs = {',
-       '    NUMERIC = function(a, b)',
-       '      return (tonumber(tostring(a)) or 0)',
-       '          < (tonumber(tostring(b)) or 0) end,',
-       '    TEXT = function(a, b)',
-       '      return tostring(a) < tostring(b) end,',
-       '    IGNORE_CASE = function(a, b)',
-       '      return string.lower(tostring(a)) < string.lower(tostring(b)) end',
-       '  }',
-       '  local compareTemp = compareFuncs[typev]',
-       '  local compare = compareTemp',
-       '  if direction == -1',
-       '  then compare = function(a, b) return compareTemp(b, a) end',
-       '  end',
-       '  table.sort(t, compare)',
-       '  return t',
-       'end']);
-
-  var code = functionName +
-      '(' + list + ',"' + type + '", ' + direction + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['lists_split'] = function(block) {
-  // Block for splitting text into a list, or joining a list into text.
-  var input = Blockly.Lua.valueToCode(block, 'INPUT',
-      Blockly.Lua.ORDER_NONE);
-  var delimiter = Blockly.Lua.valueToCode(block, 'DELIM',
-      Blockly.Lua.ORDER_NONE) || '\'\'';
-  var mode = block.getFieldValue('MODE');
-  var functionName;
-  if (mode == 'SPLIT') {
-    if (!input) {
-      input = '\'\'';
-    }
-    functionName = Blockly.Lua.provideFunction_(
-        'list_string_split',
-        ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ +
-            '(input, delim)',
-         '  local t = {}',
-         '  local pos = 1',
-         '  while true do',
-         '    next_delim = string.find(input, delim, pos)',
-         '    if next_delim == nil then',
-         '      table.insert(t, string.sub(input, pos))',
-         '      break',
-         '    else',
-         '      table.insert(t, string.sub(input, pos, next_delim-1))',
-         '      pos = next_delim + #delim',
-         '    end',
-         '  end',
-         '  return t',
-         'end']);
-  } else if (mode == 'JOIN') {
-    if (!input) {
-      input = '{}';
-    }
-    functionName = 'table.concat';
-  } else {
-    throw Error('Unknown mode: ' + mode);
-  }
-  var code = functionName + '(' + input + ', ' + delimiter + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['lists_reverse'] = function(block) {
-  // Block for reversing a list.
-  var list = Blockly.Lua.valueToCode(block, 'LIST',
-      Blockly.Lua.ORDER_NONE) || '{}';
-  var functionName = Blockly.Lua.provideFunction_(
-      'list_reverse',
-      ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(input)',
-       '  local reversed = {}',
-       '  for i = #input, 1, -1 do',
-       '    table.insert(reversed, input[i])',
-       '  end',
-       '  return reversed',
-       'end']);
-  var code = functionName + '(' + list + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
diff --git a/generators/lua/lists.ts b/generators/lua/lists.ts
new file mode 100644
index 00000000000..901ed88a671
--- /dev/null
+++ b/generators/lua/lists.ts
@@ -0,0 +1,445 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Lua for list blocks.
+ */
+
+// Former goog.module ID: Blockly.Lua.lists
+
+import type {Block} from '../../core/block.js';
+import type {CreateWithBlock} from '../../blocks/lists.js';
+import type {LuaGenerator} from './lua_generator.js';
+import {NameType} from '../../core/names.js';
+import {Order} from './lua_generator.js';
+
+export function lists_create_empty(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Create an empty list.
+  return ['{}', Order.HIGH];
+}
+
+export function lists_create_with(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  const createWithBlock = block as CreateWithBlock;
+  // Create a list with any number of elements of any type.
+  const elements = new Array(createWithBlock.itemCount_);
+  for (let i = 0; i < createWithBlock.itemCount_; i++) {
+    elements[i] =
+      generator.valueToCode(createWithBlock, 'ADD' + i, Order.NONE) || 'nil';
+  }
+  const code = '{' + elements.join(', ') + '}';
+  return [code, Order.HIGH];
+}
+
+export function lists_repeat(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Create a list with one element repeated.
+  const functionName = generator.provideFunction_(
+    'create_list_repeated',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(item, count)
+  local t = {}
+  for i = 1, count do
+    table.insert(t, item)
+  end
+  return t
+end
+  `,
+  );
+  const element = generator.valueToCode(block, 'ITEM', Order.NONE) || 'nil';
+  const repeatCount = generator.valueToCode(block, 'NUM', Order.NONE) || '0';
+  const code = functionName + '(' + element + ', ' + repeatCount + ')';
+  return [code, Order.HIGH];
+}
+
+export function lists_length(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // String or array length.
+  const list = generator.valueToCode(block, 'VALUE', Order.UNARY) || '{}';
+  return ['#' + list, Order.UNARY];
+}
+
+export function lists_isEmpty(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Is the string null or array empty?
+  const list = generator.valueToCode(block, 'VALUE', Order.UNARY) || '{}';
+  const code = '#' + list + ' == 0';
+  return [code, Order.RELATIONAL];
+}
+
+export function lists_indexOf(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Find an item in the list.
+  const item = generator.valueToCode(block, 'FIND', Order.NONE) || "''";
+  const list = generator.valueToCode(block, 'VALUE', Order.NONE) || '{}';
+  let functionName;
+  if (block.getFieldValue('END') === 'FIRST') {
+    functionName = generator.provideFunction_(
+      'first_index',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(t, elem)
+  for k, v in ipairs(t) do
+    if v == elem then
+      return k
+    end
+  end
+  return 0
+end
+`,
+    );
+  } else {
+    functionName = generator.provideFunction_(
+      'last_index',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(t, elem)
+  for i = #t, 1, -1 do
+    if t[i] == elem then
+      return i
+    end
+  end
+  return 0
+end
+`,
+    );
+  }
+  const code = functionName + '(' + list + ', ' + item + ')';
+  return [code, Order.HIGH];
+}
+
+/**
+ * Returns an expression calculating the index into a list.
+ *
+ * @param listName Name of the list, used to calculate length.
+ * @param where The method of indexing, selected by dropdown in Blockly
+ * @param opt_at The optional offset when indexing from start/end.
+ * @returns Index expression.
+ */
+const getListIndex = function (
+  listName: string,
+  where: string,
+  opt_at: string,
+): string {
+  if (where === 'FIRST') {
+    return '1';
+  } else if (where === 'FROM_END') {
+    return '#' + listName + ' + 1 - ' + opt_at;
+  } else if (where === 'LAST') {
+    return '#' + listName;
+  } else if (where === 'RANDOM') {
+    return 'math.random(#' + listName + ')';
+  } else {
+    return opt_at;
+  }
+};
+
+export function lists_getIndex(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] | string {
+  // Get element at index.
+  // Note: Until January 2013 this block did not have MODE or WHERE inputs.
+  const mode = block.getFieldValue('MODE') || 'GET';
+  const where = block.getFieldValue('WHERE') || 'FROM_START';
+  const list = generator.valueToCode(block, 'VALUE', Order.HIGH) || '({})';
+
+  // If `list` would be evaluated more than once (which is the case for LAST,
+  // FROM_END, and RANDOM) and is non-trivial, make sure to access it only once.
+  if (
+    (where === 'LAST' || where === 'FROM_END' || where === 'RANDOM') &&
+    !list.match(/^\w+$/)
+  ) {
+    // `list` is an expression, so we may not evaluate it more than once.
+    if (mode === 'REMOVE') {
+      // We can use multiple statements.
+      const atOrder = where === 'FROM_END' ? Order.ADDITIVE : Order.NONE;
+      let at = generator.valueToCode(block, 'AT', atOrder) || '1';
+      const listVar = generator.nameDB_!.getDistinctName(
+        'tmp_list',
+        NameType.VARIABLE,
+      );
+      at = getListIndex(listVar, where, at);
+      const code =
+        listVar +
+        ' = ' +
+        list +
+        '\n' +
+        'table.remove(' +
+        listVar +
+        ', ' +
+        at +
+        ')\n';
+      return code;
+    } else {
+      // We need to create a procedure to avoid reevaluating values.
+      const at = generator.valueToCode(block, 'AT', Order.NONE) || '1';
+      let functionName;
+      if (mode === 'GET') {
+        functionName = generator.provideFunction_(
+          'list_get_' + where.toLowerCase(),
+          [
+            'function ' +
+              generator.FUNCTION_NAME_PLACEHOLDER_ +
+              '(t' +
+              // The value for 'FROM_END' and'FROM_START' depends on `at` so
+              // we add it as a parameter.
+              (where === 'FROM_END' || where === 'FROM_START' ? ', at)' : ')'),
+            '  return t[' + getListIndex('t', where, 'at') + ']',
+            'end',
+          ],
+        );
+      } else {
+        // `mode` === 'GET_REMOVE'
+        functionName = generator.provideFunction_(
+          'list_remove_' + where.toLowerCase(),
+          [
+            'function ' +
+              generator.FUNCTION_NAME_PLACEHOLDER_ +
+              '(t' +
+              // The value for 'FROM_END' and'FROM_START' depends on `at` so
+              // we add it as a parameter.
+              (where === 'FROM_END' || where === 'FROM_START' ? ', at)' : ')'),
+            '  return table.remove(t, ' + getListIndex('t', where, 'at') + ')',
+            'end',
+          ],
+        );
+      }
+      const code =
+        functionName +
+        '(' +
+        list +
+        // The value for 'FROM_END' and 'FROM_START' depends on `at` so we
+        // pass it.
+        (where === 'FROM_END' || where === 'FROM_START' ? ', ' + at : '') +
+        ')';
+      return [code, Order.HIGH];
+    }
+  } else {
+    // Either `list` is a simple variable, or we only need to refer to `list`
+    // once.
+    const atOrder =
+      mode === 'GET' && where === 'FROM_END' ? Order.ADDITIVE : Order.NONE;
+    let at = generator.valueToCode(block, 'AT', atOrder) || '1';
+    at = getListIndex(list, where, at);
+    if (mode === 'GET') {
+      const code = list + '[' + at + ']';
+      return [code, Order.HIGH];
+    } else {
+      const code = 'table.remove(' + list + ', ' + at + ')';
+      if (mode === 'GET_REMOVE') {
+        return [code, Order.HIGH];
+      } else {
+        // `mode` === 'REMOVE'
+        return code + '\n';
+      }
+    }
+  }
+}
+
+export function lists_setIndex(block: Block, generator: LuaGenerator): string {
+  // Set element at index.
+  // Note: Until February 2013 this block did not have MODE or WHERE inputs.
+  let list = generator.valueToCode(block, 'LIST', Order.HIGH) || '{}';
+  const mode = block.getFieldValue('MODE') || 'SET';
+  const where = block.getFieldValue('WHERE') || 'FROM_START';
+  const at = generator.valueToCode(block, 'AT', Order.ADDITIVE) || '1';
+  const value = generator.valueToCode(block, 'TO', Order.NONE) || 'Nil';
+
+  let code = '';
+  // If `list` would be evaluated more than once (which is the case for LAST,
+  // FROM_END, and RANDOM) and is non-trivial, make sure to access it only once.
+  if (
+    (where === 'LAST' || where === 'FROM_END' || where === 'RANDOM') &&
+    !list.match(/^\w+$/)
+  ) {
+    // `list` is an expression, so we may not evaluate it more than once.
+    // We can use multiple statements.
+    const listVar = generator.nameDB_!.getDistinctName(
+      'tmp_list',
+      NameType.VARIABLE,
+    );
+    code = listVar + ' = ' + list + '\n';
+    list = listVar;
+  }
+  if (mode === 'SET') {
+    code += list + '[' + getListIndex(list, where, at) + '] = ' + value;
+  } else {
+    // `mode` === 'INSERT'
+    // LAST is a special case, because we want to insert
+    // *after* not *before*, the existing last element.
+    code +=
+      'table.insert(' +
+      list +
+      ', ' +
+      (getListIndex(list, where, at) + (where === 'LAST' ? ' + 1' : '')) +
+      ', ' +
+      value +
+      ')';
+  }
+  return code + '\n';
+}
+
+export function lists_getSublist(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Get sublist.
+  const list = generator.valueToCode(block, 'LIST', Order.NONE) || '{}';
+  const where1 = block.getFieldValue('WHERE1');
+  const where2 = block.getFieldValue('WHERE2');
+  const at1 = generator.valueToCode(block, 'AT1', Order.NONE) || '1';
+  const at2 = generator.valueToCode(block, 'AT2', Order.NONE) || '1';
+
+  // The value for 'FROM_END' and'FROM_START' depends on `at` so
+  // we add it as a parameter.
+  const at1Param =
+    where1 === 'FROM_END' || where1 === 'FROM_START' ? ', at1' : '';
+  const at2Param =
+    where2 === 'FROM_END' || where2 === 'FROM_START' ? ', at2' : '';
+  const functionName = generator.provideFunction_(
+    'list_sublist_' + where1.toLowerCase() + '_' + where2.toLowerCase(),
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(source${at1Param}${at2Param})
+  local t = {}
+  local start = ${getListIndex('source', where1, 'at1')}
+  local finish = ${getListIndex('source', where2, 'at2')}
+  for i = start, finish do
+    table.insert(t, source[i])
+  end
+  return t
+end
+`,
+  );
+  const code =
+    functionName +
+    '(' +
+    list +
+    // The value for 'FROM_END' and 'FROM_START' depends on `at` so we
+    // pass it.
+    (where1 === 'FROM_END' || where1 === 'FROM_START' ? ', ' + at1 : '') +
+    (where2 === 'FROM_END' || where2 === 'FROM_START' ? ', ' + at2 : '') +
+    ')';
+  return [code, Order.HIGH];
+}
+
+export function lists_sort(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Block for sorting a list.
+  const list = generator.valueToCode(block, 'LIST', Order.NONE) || '{}';
+  const direction = block.getFieldValue('DIRECTION') === '1' ? 1 : -1;
+  const type = block.getFieldValue('TYPE');
+
+  const functionName = generator.provideFunction_(
+    'list_sort',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(list, typev, direction)
+  local t = {}
+  for n,v in pairs(list) do table.insert(t, v) end
+  local compareFuncs = {
+    NUMERIC = function(a, b)
+      return (tonumber(tostring(a)) or 0)
+          < (tonumber(tostring(b)) or 0) end,
+    TEXT = function(a, b)
+      return tostring(a) < tostring(b) end,
+    IGNORE_CASE = function(a, b)
+      return string.lower(tostring(a)) < string.lower(tostring(b)) end
+  }
+  local compareTemp = compareFuncs[typev]
+  local compare = compareTemp
+  if direction == -1
+  then compare = function(a, b) return compareTemp(b, a) end
+  end
+  table.sort(t, compare)
+  return t
+end
+`,
+  );
+
+  const code =
+    functionName + '(' + list + ',"' + type + '", ' + direction + ')';
+  return [code, Order.HIGH];
+}
+
+export function lists_split(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Block for splitting text into a list, or joining a list into text.
+  let input = generator.valueToCode(block, 'INPUT', Order.NONE);
+  const delimiter = generator.valueToCode(block, 'DELIM', Order.NONE) || "''";
+  const mode = block.getFieldValue('MODE');
+  let functionName;
+  if (mode === 'SPLIT') {
+    if (!input) {
+      input = "''";
+    }
+    functionName = generator.provideFunction_(
+      'list_string_split',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(input, delim)
+  local t = {}
+  local pos = 1
+  while true do
+    next_delim = string.find(input, delim, pos)
+    if next_delim == nil then
+      table.insert(t, string.sub(input, pos))
+      break
+    else
+      table.insert(t, string.sub(input, pos, next_delim-1))
+      pos = next_delim + #delim
+    end
+  end
+  return t
+end
+`,
+    );
+  } else if (mode === 'JOIN') {
+    if (!input) {
+      input = '{}';
+    }
+    functionName = 'table.concat';
+  } else {
+    throw Error('Unknown mode: ' + mode);
+  }
+  const code = functionName + '(' + input + ', ' + delimiter + ')';
+  return [code, Order.HIGH];
+}
+
+export function lists_reverse(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Block for reversing a list.
+  const list = generator.valueToCode(block, 'LIST', Order.NONE) || '{}';
+  const functionName = generator.provideFunction_(
+    'list_reverse',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(input)
+  local reversed = {}
+  for i = #input, 1, -1 do
+    table.insert(reversed, input[i])
+  end
+  return reversed
+end
+`,
+  );
+  const code = functionName + '(' + list + ')';
+  return [code, Order.HIGH];
+}
diff --git a/generators/lua/logic.js b/generators/lua/logic.js
deleted file mode 100644
index cac58c6994c..00000000000
--- a/generators/lua/logic.js
+++ /dev/null
@@ -1,127 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Lua for logic blocks.
- * @author rodrigoq@google.com (Rodrigo Queiro)
- */
-'use strict';
-
-goog.provide('Blockly.Lua.logic');
-
-goog.require('Blockly.Lua');
-
-
-Blockly.Lua['controls_if'] = function(block) {
-  // If/elseif/else condition.
-  var n = 0;
-  var code = '', branchCode, conditionCode;
-  if (Blockly.Lua.STATEMENT_PREFIX) {
-    // Automatic prefix insertion is switched off for this block.  Add manually.
-    code += Blockly.Lua.injectId(Blockly.Lua.STATEMENT_PREFIX, block);
-  }
-  do {
-    conditionCode = Blockly.Lua.valueToCode(block, 'IF' + n,
-        Blockly.Lua.ORDER_NONE) || 'false';
-    branchCode = Blockly.Lua.statementToCode(block, 'DO' + n);
-    if (Blockly.Lua.STATEMENT_SUFFIX) {
-      branchCode = Blockly.Lua.prefixLines(
-          Blockly.Lua.injectId(Blockly.Lua.STATEMENT_SUFFIX, block),
-          Blockly.Lua.INDENT) + branchCode;
-    }
-    code += (n > 0 ? 'else' : '') +
-        'if ' + conditionCode + ' then\n' + branchCode;
-    ++n;
-  } while (block.getInput('IF' + n));
-
-  if (block.getInput('ELSE') || Blockly.Lua.STATEMENT_SUFFIX) {
-    branchCode = Blockly.Lua.statementToCode(block, 'ELSE');
-    if (Blockly.Lua.STATEMENT_SUFFIX) {
-      branchCode = Blockly.Lua.prefixLines(
-          Blockly.Lua.injectId(Blockly.Lua.STATEMENT_SUFFIX, block),
-          Blockly.Lua.INDENT) + branchCode;
-    }
-    code += 'else\n' + branchCode;
-  }
-  return code + 'end\n';
-};
-
-Blockly.Lua['controls_ifelse'] = Blockly.Lua['controls_if'];
-
-Blockly.Lua['logic_compare'] = function(block) {
-  // Comparison operator.
-  var OPERATORS = {
-    'EQ': '==',
-    'NEQ': '~=',
-    'LT': '<',
-    'LTE': '<=',
-    'GT': '>',
-    'GTE': '>='
-  };
-  var operator = OPERATORS[block.getFieldValue('OP')];
-  var argument0 = Blockly.Lua.valueToCode(block, 'A',
-      Blockly.Lua.ORDER_RELATIONAL) || '0';
-  var argument1 = Blockly.Lua.valueToCode(block, 'B',
-      Blockly.Lua.ORDER_RELATIONAL) || '0';
-  var code = argument0 + ' ' + operator + ' ' + argument1;
-  return [code, Blockly.Lua.ORDER_RELATIONAL];
-};
-
-Blockly.Lua['logic_operation'] = function(block) {
-  // Operations 'and', 'or'.
-  var operator = (block.getFieldValue('OP') == 'AND') ? 'and' : 'or';
-  var order = (operator == 'and') ? Blockly.Lua.ORDER_AND :
-      Blockly.Lua.ORDER_OR;
-  var argument0 = Blockly.Lua.valueToCode(block, 'A', order);
-  var argument1 = Blockly.Lua.valueToCode(block, 'B', order);
-  if (!argument0 && !argument1) {
-    // If there are no arguments, then the return value is false.
-    argument0 = 'false';
-    argument1 = 'false';
-  } else {
-    // Single missing arguments have no effect on the return value.
-    var defaultArgument = (operator == 'and') ? 'true' : 'false';
-    if (!argument0) {
-      argument0 = defaultArgument;
-    }
-    if (!argument1) {
-      argument1 = defaultArgument;
-    }
-  }
-  var code = argument0 + ' ' + operator + ' ' + argument1;
-  return [code, order];
-};
-
-Blockly.Lua['logic_negate'] = function(block) {
-  // Negation.
-  var argument0 = Blockly.Lua.valueToCode(block, 'BOOL',
-      Blockly.Lua.ORDER_UNARY) || 'true';
-  var code = 'not ' + argument0;
-  return [code, Blockly.Lua.ORDER_UNARY];
-};
-
-Blockly.Lua['logic_boolean'] = function(block) {
-  // Boolean values true and false.
-  var code = (block.getFieldValue('BOOL') == 'TRUE') ? 'true' : 'false';
-  return [code, Blockly.Lua.ORDER_ATOMIC];
-};
-
-Blockly.Lua['logic_null'] = function(block) {
-  // Null data type.
-  return ['nil', Blockly.Lua.ORDER_ATOMIC];
-};
-
-Blockly.Lua['logic_ternary'] = function(block) {
-  // Ternary operator.
-  var value_if = Blockly.Lua.valueToCode(block, 'IF',
-      Blockly.Lua.ORDER_AND) || 'false';
-  var value_then = Blockly.Lua.valueToCode(block, 'THEN',
-      Blockly.Lua.ORDER_AND) || 'nil';
-  var value_else = Blockly.Lua.valueToCode(block, 'ELSE',
-      Blockly.Lua.ORDER_OR) || 'nil';
-  var code = value_if + ' and ' + value_then + ' or ' + value_else;
-  return [code, Blockly.Lua.ORDER_OR];
-};
diff --git a/generators/lua/logic.ts b/generators/lua/logic.ts
new file mode 100644
index 00000000000..b6448445c6a
--- /dev/null
+++ b/generators/lua/logic.ts
@@ -0,0 +1,142 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Lua for logic blocks.
+ */
+
+// Former goog.module ID: Blockly.Lua.logic
+
+import type {Block} from '../../core/block.js';
+import type {LuaGenerator} from './lua_generator.js';
+import {Order} from './lua_generator.js';
+
+export function controls_if(block: Block, generator: LuaGenerator): string {
+  // If/elseif/else condition.
+  let n = 0;
+  let code = '';
+  if (generator.STATEMENT_PREFIX) {
+    // Automatic prefix insertion is switched off for this block.  Add manually.
+    code += generator.injectId(generator.STATEMENT_PREFIX, block);
+  }
+  do {
+    const conditionCode =
+      generator.valueToCode(block, 'IF' + n, Order.NONE) || 'false';
+    let branchCode = generator.statementToCode(block, 'DO' + n);
+    if (generator.STATEMENT_SUFFIX) {
+      branchCode =
+        generator.prefixLines(
+          generator.injectId(generator.STATEMENT_SUFFIX, block),
+          generator.INDENT,
+        ) + branchCode;
+    }
+    code +=
+      (n > 0 ? 'else' : '') + 'if ' + conditionCode + ' then\n' + branchCode;
+    n++;
+  } while (block.getInput('IF' + n));
+
+  if (block.getInput('ELSE') || generator.STATEMENT_SUFFIX) {
+    let branchCode = generator.statementToCode(block, 'ELSE');
+    if (generator.STATEMENT_SUFFIX) {
+      branchCode =
+        generator.prefixLines(
+          generator.injectId(generator.STATEMENT_SUFFIX, block),
+          generator.INDENT,
+        ) + branchCode;
+    }
+    code += 'else\n' + branchCode;
+  }
+  return code + 'end\n';
+}
+
+export const controls_ifelse = controls_if;
+
+export function logic_compare(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Comparison operator.
+  const OPERATORS = {
+    'EQ': '==',
+    'NEQ': '~=',
+    'LT': '<',
+    'LTE': '<=',
+    'GT': '>',
+    'GTE': '>=',
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const operator = OPERATORS[block.getFieldValue('OP') as OperatorOption];
+  const argument0 = generator.valueToCode(block, 'A', Order.RELATIONAL) || '0';
+  const argument1 = generator.valueToCode(block, 'B', Order.RELATIONAL) || '0';
+  const code = argument0 + ' ' + operator + ' ' + argument1;
+  return [code, Order.RELATIONAL];
+}
+
+export function logic_operation(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Operations 'and', 'or'.
+  const operator = block.getFieldValue('OP') === 'AND' ? 'and' : 'or';
+  const order = operator === 'and' ? Order.AND : Order.OR;
+  let argument0 = generator.valueToCode(block, 'A', order);
+  let argument1 = generator.valueToCode(block, 'B', order);
+  if (!argument0 && !argument1) {
+    // If there are no arguments, then the return value is false.
+    argument0 = 'false';
+    argument1 = 'false';
+  } else {
+    // Single missing arguments have no effect on the return value.
+    const defaultArgument = operator === 'and' ? 'true' : 'false';
+    if (!argument0) {
+      argument0 = defaultArgument;
+    }
+    if (!argument1) {
+      argument1 = defaultArgument;
+    }
+  }
+  const code = argument0 + ' ' + operator + ' ' + argument1;
+  return [code, order];
+}
+
+export function logic_negate(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Negation.
+  const argument0 = generator.valueToCode(block, 'BOOL', Order.UNARY) || 'true';
+  const code = 'not ' + argument0;
+  return [code, Order.UNARY];
+}
+
+export function logic_boolean(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Boolean values true and false.
+  const code = block.getFieldValue('BOOL') === 'TRUE' ? 'true' : 'false';
+  return [code, Order.ATOMIC];
+}
+
+export function logic_null(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Null data type.
+  return ['nil', Order.ATOMIC];
+}
+
+export function logic_ternary(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Ternary operator.
+  const value_if = generator.valueToCode(block, 'IF', Order.AND) || 'false';
+  const value_then = generator.valueToCode(block, 'THEN', Order.AND) || 'nil';
+  const value_else = generator.valueToCode(block, 'ELSE', Order.OR) || 'nil';
+  const code = value_if + ' and ' + value_then + ' or ' + value_else;
+  return [code, Order.OR];
+}
diff --git a/generators/lua/loops.js b/generators/lua/loops.js
deleted file mode 100644
index be95737bcda..00000000000
--- a/generators/lua/loops.js
+++ /dev/null
@@ -1,173 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Lua for loop blocks.
- * @author rodrigoq@google.com (Rodrigo Queiro)
- */
-'use strict';
-
-goog.provide('Blockly.Lua.loops');
-
-goog.require('Blockly.Lua');
-
-
-/**
- * This is the text used to implement a <pre>continue</pre>.
- * It is also used to recognise <pre>continue</pre>s in generated code so that
- * the appropriate label can be put at the end of the loop body.
- * @const {string}
- */
-Blockly.Lua.CONTINUE_STATEMENT = 'goto continue\n';
-
-/**
- * If the loop body contains a "goto continue" statement, add a continue label
- * to the loop body. Slightly inefficient, as continue labels will be generated
- * in all outer loops, but this is safer than duplicating the logic of
- * blockToCode.
- *
- * @param {string} branch Generated code of the loop body
- * @return {string} Generated label or '' if unnecessary
- * @private
- */
-Blockly.Lua.addContinueLabel_ = function(branch) {
-  if (branch.indexOf(Blockly.Lua.CONTINUE_STATEMENT) != -1) {
-    // False positives are possible (e.g. a string literal), but are harmless.
-    return branch + Blockly.Lua.INDENT + '::continue::\n';
-  } else {
-    return branch;
-  }
-};
-
-Blockly.Lua['controls_repeat_ext'] = function(block) {
-  // Repeat n times.
-  if (block.getField('TIMES')) {
-    // Internal number.
-    var repeats = String(Number(block.getFieldValue('TIMES')));
-  } else {
-    // External number.
-    var repeats = Blockly.Lua.valueToCode(block, 'TIMES',
-        Blockly.Lua.ORDER_NONE) || '0';
-  }
-  if (Blockly.isNumber(repeats)) {
-    repeats = parseInt(repeats, 10);
-  } else {
-    repeats = 'math.floor(' + repeats + ')';
-  }
-  var branch = Blockly.Lua.statementToCode(block, 'DO');
-  branch = Blockly.Lua.addLoopTrap(branch, block);
-  branch = Blockly.Lua.addContinueLabel_(branch);
-  var loopVar = Blockly.Lua.variableDB_.getDistinctName(
-      'count', Blockly.VARIABLE_CATEGORY_NAME);
-  var code = 'for ' + loopVar + ' = 1, ' + repeats + ' do\n' +
-      branch + 'end\n';
-  return code;
-};
-
-Blockly.Lua['controls_repeat'] = Blockly.Lua['controls_repeat_ext'];
-
-Blockly.Lua['controls_whileUntil'] = function(block) {
-  // Do while/until loop.
-  var until = block.getFieldValue('MODE') == 'UNTIL';
-  var argument0 = Blockly.Lua.valueToCode(block, 'BOOL',
-      until ? Blockly.Lua.ORDER_UNARY :
-      Blockly.Lua.ORDER_NONE) || 'false';
-  var branch = Blockly.Lua.statementToCode(block, 'DO');
-  branch = Blockly.Lua.addLoopTrap(branch, block);
-  branch = Blockly.Lua.addContinueLabel_(branch);
-  if (until) {
-    argument0 = 'not ' + argument0;
-  }
-  return 'while ' + argument0 + ' do\n' + branch + 'end\n';
-};
-
-Blockly.Lua['controls_for'] = function(block) {
-  // For loop.
-  var variable0 = Blockly.Lua.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  var startVar = Blockly.Lua.valueToCode(block, 'FROM',
-      Blockly.Lua.ORDER_NONE) || '0';
-  var endVar = Blockly.Lua.valueToCode(block, 'TO',
-      Blockly.Lua.ORDER_NONE) || '0';
-  var increment = Blockly.Lua.valueToCode(block, 'BY',
-      Blockly.Lua.ORDER_NONE) || '1';
-  var branch = Blockly.Lua.statementToCode(block, 'DO');
-  branch = Blockly.Lua.addLoopTrap(branch, block);
-  branch = Blockly.Lua.addContinueLabel_(branch);
-  var code = '';
-  var incValue;
-  if (Blockly.isNumber(startVar) && Blockly.isNumber(endVar) &&
-      Blockly.isNumber(increment)) {
-    // All arguments are simple numbers.
-    var up = Number(startVar) <= Number(endVar);
-    var step = Math.abs(Number(increment));
-    incValue = (up ? '' : '-') + step;
-  } else {
-    code = '';
-    // Determine loop direction at start, in case one of the bounds
-    // changes during loop execution.
-    incValue = Blockly.Lua.variableDB_.getDistinctName(
-        variable0 + '_inc', Blockly.VARIABLE_CATEGORY_NAME);
-    code += incValue + ' = ';
-    if (Blockly.isNumber(increment)) {
-      code += Math.abs(increment) + '\n';
-    } else {
-      code += 'math.abs(' + increment + ')\n';
-    }
-    code += 'if (' + startVar + ') > (' + endVar + ') then\n';
-    code += Blockly.Lua.INDENT + incValue + ' = -' + incValue + '\n';
-    code += 'end\n';
-  }
-  code += 'for ' + variable0 + ' = ' + startVar + ', ' + endVar +
-      ', ' + incValue;
-  code += ' do\n' + branch + 'end\n';
-  return code;
-};
-
-Blockly.Lua['controls_forEach'] = function(block) {
-  // For each loop.
-  var variable0 = Blockly.Lua.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  var argument0 = Blockly.Lua.valueToCode(block, 'LIST',
-      Blockly.Lua.ORDER_NONE) || '{}';
-  var branch = Blockly.Lua.statementToCode(block, 'DO');
-  branch = Blockly.Lua.addLoopTrap(branch, block);
-  branch = Blockly.Lua.addContinueLabel_(branch);
-  var code = 'for _, ' + variable0 + ' in ipairs(' + argument0 + ') do \n' +
-      branch + 'end\n';
-  return code;
-};
-
-Blockly.Lua['controls_flow_statements'] = function(block) {
-  // Flow statements: continue, break.
-  var xfix = '';
-  if (Blockly.Lua.STATEMENT_PREFIX) {
-    // Automatic prefix insertion is switched off for this block.  Add manually.
-    xfix += Blockly.Lua.injectId(Blockly.Lua.STATEMENT_PREFIX, block);
-  }
-  if (Blockly.Lua.STATEMENT_SUFFIX) {
-    // Inject any statement suffix here since the regular one at the end
-    // will not get executed if the break/continue is triggered.
-    xfix += Blockly.Lua.injectId(Blockly.Lua.STATEMENT_SUFFIX, block);
-  }
-  if (Blockly.Lua.STATEMENT_PREFIX) {
-    var loop = Blockly.Constants.Loops
-        .CONTROL_FLOW_IN_LOOP_CHECK_MIXIN.getSurroundLoop(block);
-    if (loop && !loop.suppressPrefixSuffix) {
-      // Inject loop's statement prefix here since the regular one at the end
-      // of the loop will not get executed if 'continue' is triggered.
-      // In the case of 'break', a prefix is needed due to the loop's suffix.
-      xfix += Blockly.Lua.injectId(Blockly.Lua.STATEMENT_PREFIX, loop);
-    }
-  }
-  switch (block.getFieldValue('FLOW')) {
-    case 'BREAK':
-      return xfix + 'break\n';
-    case 'CONTINUE':
-      return xfix + Blockly.Lua.CONTINUE_STATEMENT;
-  }
-  throw Error('Unknown flow statement.');
-};
diff --git a/generators/lua/loops.ts b/generators/lua/loops.ts
new file mode 100644
index 00000000000..01474cd81c5
--- /dev/null
+++ b/generators/lua/loops.ts
@@ -0,0 +1,192 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Lua for loop blocks.
+ */
+
+// Former goog.module ID: Blockly.Lua.loops
+
+import * as stringUtils from '../../core/utils/string.js';
+import type {Block} from '../../core/block.js';
+import type {ControlFlowInLoopBlock} from '../../blocks/loops.js';
+import type {LuaGenerator} from './lua_generator.js';
+import {NameType} from '../../core/names.js';
+import {Order} from './lua_generator.js';
+
+/**
+ * This is the text used to implement a <pre>continue</pre>.
+ * It is also used to recognise <pre>continue</pre>s in generated code so that
+ * the appropriate label can be put at the end of the loop body.
+ */
+const CONTINUE_STATEMENT = 'goto continue\n';
+
+/**
+ * If the loop body contains a "goto continue" statement, add a continue label
+ * to the loop body. Slightly inefficient, as continue labels will be generated
+ * in all outer loops, but this is safer than duplicating the logic of
+ * blockToCode.
+ *
+ * @param branch Generated code of the loop body
+ * @param indent Whitespace by which to indent a continue statement.
+ * @returns Generated label or '' if unnecessary
+ */
+function addContinueLabel(branch: string, indent: string): string {
+  if (branch.includes(CONTINUE_STATEMENT)) {
+    // False positives are possible (e.g. a string literal), but are harmless.
+    return branch + indent + '::continue::\n';
+  } else {
+    return branch;
+  }
+}
+
+export function controls_repeat_ext(
+  block: Block,
+  generator: LuaGenerator,
+): string {
+  // Repeat n times.
+  let repeats;
+  if (block.getField('TIMES')) {
+    // Internal number.
+    repeats = String(Number(block.getFieldValue('TIMES')));
+  } else {
+    // External number.
+    repeats = generator.valueToCode(block, 'TIMES', Order.NONE) || '0';
+  }
+  if (stringUtils.isNumber(repeats)) {
+    repeats = parseInt(repeats, 10);
+  } else {
+    repeats = 'math.floor(' + repeats + ')';
+  }
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  branch = addContinueLabel(branch, generator.INDENT);
+  const loopVar = generator.nameDB_!.getDistinctName(
+    'count',
+    NameType.VARIABLE,
+  );
+  const code =
+    'for ' + loopVar + ' = 1, ' + repeats + ' do\n' + branch + 'end\n';
+  return code;
+}
+
+export const controls_repeat = controls_repeat_ext;
+
+export function controls_whileUntil(
+  block: Block,
+  generator: LuaGenerator,
+): string {
+  // Do while/until loop.
+  const until = block.getFieldValue('MODE') === 'UNTIL';
+  let argument0 =
+    generator.valueToCode(block, 'BOOL', until ? Order.UNARY : Order.NONE) ||
+    'false';
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  branch = addContinueLabel(branch, generator.INDENT);
+  if (until) {
+    argument0 = 'not ' + argument0;
+  }
+  return 'while ' + argument0 + ' do\n' + branch + 'end\n';
+}
+
+export function controls_for(block: Block, generator: LuaGenerator): string {
+  // For loop.
+  const variable0 = generator.getVariableName(block.getFieldValue('VAR'));
+  const startVar = generator.valueToCode(block, 'FROM', Order.NONE) || '0';
+  const endVar = generator.valueToCode(block, 'TO', Order.NONE) || '0';
+  const increment = generator.valueToCode(block, 'BY', Order.NONE) || '1';
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  branch = addContinueLabel(branch, generator.INDENT);
+  let code = '';
+  let incValue;
+  if (
+    stringUtils.isNumber(startVar) &&
+    stringUtils.isNumber(endVar) &&
+    stringUtils.isNumber(increment)
+  ) {
+    // All arguments are simple numbers.
+    const up = Number(startVar) <= Number(endVar);
+    const step = Math.abs(Number(increment));
+    incValue = (up ? '' : '-') + step;
+  } else {
+    code = '';
+    // Determine loop direction at start, in case one of the bounds
+    // changes during loop execution.
+    incValue = generator.nameDB_!.getDistinctName(
+      variable0 + '_inc',
+      NameType.VARIABLE,
+    );
+    code += incValue + ' = ';
+    if (stringUtils.isNumber(increment)) {
+      code += Math.abs(increment as unknown as number) + '\n';
+    } else {
+      code += 'math.abs(' + increment + ')\n';
+    }
+    code += 'if (' + startVar + ') > (' + endVar + ') then\n';
+    code += generator.INDENT + incValue + ' = -' + incValue + '\n';
+    code += 'end\n';
+  }
+  code +=
+    'for ' + variable0 + ' = ' + startVar + ', ' + endVar + ', ' + incValue;
+  code += ' do\n' + branch + 'end\n';
+  return code;
+}
+
+export function controls_forEach(
+  block: Block,
+  generator: LuaGenerator,
+): string {
+  // For each loop.
+  const variable0 = generator.getVariableName(block.getFieldValue('VAR'));
+  const argument0 = generator.valueToCode(block, 'LIST', Order.NONE) || '{}';
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  branch = addContinueLabel(branch, generator.INDENT);
+  const code =
+    'for _, ' +
+    variable0 +
+    ' in ipairs(' +
+    argument0 +
+    ') do \n' +
+    branch +
+    'end\n';
+  return code;
+}
+
+export function controls_flow_statements(
+  block: Block,
+  generator: LuaGenerator,
+): string {
+  // Flow statements: continue, break.
+  let xfix = '';
+  if (generator.STATEMENT_PREFIX) {
+    // Automatic prefix insertion is switched off for this block.  Add manually.
+    xfix += generator.injectId(generator.STATEMENT_PREFIX, block);
+  }
+  if (generator.STATEMENT_SUFFIX) {
+    // Inject any statement suffix here since the regular one at the end
+    // will not get executed if the break/continue is triggered.
+    xfix += generator.injectId(generator.STATEMENT_SUFFIX, block);
+  }
+  if (generator.STATEMENT_PREFIX) {
+    const loop = (block as ControlFlowInLoopBlock).getSurroundLoop();
+    if (loop && !loop.suppressPrefixSuffix) {
+      // Inject loop's statement prefix here since the regular one at the end
+      // of the loop will not get executed if 'continue' is triggered.
+      // In the case of 'break', a prefix is needed due to the loop's suffix.
+      xfix += generator.injectId(generator.STATEMENT_PREFIX, loop);
+    }
+  }
+  switch (block.getFieldValue('FLOW')) {
+    case 'BREAK':
+      return xfix + 'break\n';
+    case 'CONTINUE':
+      return xfix + CONTINUE_STATEMENT;
+  }
+  throw Error('Unknown flow statement.');
+}
diff --git a/generators/lua/lua_generator.ts b/generators/lua/lua_generator.ts
new file mode 100644
index 00000000000..76517c77d38
--- /dev/null
+++ b/generators/lua/lua_generator.ts
@@ -0,0 +1,225 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Lua code generator class, including helper methods for
+ * generating Lua for blocks.
+ *
+ * Based on Ellen Spertus's blocky-lua project.
+ */
+
+// Former goog.module ID: Blockly.Lua
+
+import * as stringUtils from '../../core/utils/string.js';
+import type {Block} from '../../core/block.js';
+import {CodeGenerator} from '../../core/generator.js';
+import {Names} from '../../core/names.js';
+import type {Workspace} from '../../core/workspace.js';
+import {inputTypes} from '../../core/inputs/input_types.js';
+
+/**
+ * Order of operation ENUMs.
+ * http://www.lua.org/manual/5.3/manual.html#3.4.8
+ */
+// prettier-ignore
+export enum Order {
+  ATOMIC = 0,    // literals
+  // The next level was not explicit in documentation and inferred by Ellen.
+  HIGH = 1,            // Function calls, tables[]
+  EXPONENTIATION = 2,  // ^
+  UNARY = 3,           // not # - ~
+  MULTIPLICATIVE = 4,  // * / %
+  ADDITIVE = 5,        // + -
+  CONCATENATION = 6,   // ..
+  RELATIONAL = 7,      // < > <=  >= ~= ==
+  AND = 8,             // and
+  OR = 9,              // or
+  NONE = 99,
+}
+
+/**
+ * Lua code generator class.
+ *
+ * Note: Lua is not supporting zero-indexing since the language itself is
+ * one-indexed, so the generator does not repoct the oneBasedIndex configuration
+ * option used for lists and text.
+ */
+export class LuaGenerator extends CodeGenerator {
+  constructor(name = 'Lua') {
+    super(name);
+    this.isInitialized = false;
+
+    // Copy Order values onto instance for backwards compatibility
+    // while ensuring they are not part of the publically-advertised
+    // API.
+    //
+    // TODO(#7085): deprecate these in due course.  (Could initially
+    // replace data properties with get accessors that call
+    // deprecate.warn().)
+    for (const key in Order) {
+      // Must assign Order[key] to a temporary to get the type guard to work;
+      // see https://github.com/microsoft/TypeScript/issues/10530.
+      const value = Order[key];
+      // Skip reverse-lookup entries in the enum.  Due to
+      // https://github.com/microsoft/TypeScript/issues/55713 this (as
+      // of TypeScript 5.5.2) actually narrows the type of value to
+      // never - but that still allows the following assignment to
+      // succeed.
+      if (typeof value === 'string') continue;
+      (this as unknown as Record<string, Order>)['ORDER_' + key] = value;
+    }
+
+    // List of illegal variable names.  This is not intended to be a
+    // security feature.  Blockly is 100% client-side, so bypassing
+    // this list is trivial.  This is intended to prevent users from
+    // accidentally clobbering a built-in object or function.
+    this.addReservedWords(
+      // Special character
+      '_,' +
+        // From theoriginalbit's script:
+        // https://github.com/espertus/blockly-lua/issues/6
+        '__inext,assert,bit,colors,colours,coroutine,disk,dofile,error,fs,' +
+        'fetfenv,getmetatable,gps,help,io,ipairs,keys,loadfile,loadstring,math,' +
+        'native,next,os,paintutils,pairs,parallel,pcall,peripheral,print,' +
+        'printError,rawequal,rawget,rawset,read,rednet,redstone,rs,select,' +
+        'setfenv,setmetatable,sleep,string,table,term,textutils,tonumber,' +
+        'tostring,turtle,type,unpack,vector,write,xpcall,_VERSION,__indext,' +
+        // Not included in the script, probably because it wasn't enabled:
+        'HTTP,' +
+        // Keywords (http://www.lua.org/pil/1.3.html).
+        'and,break,do,else,elseif,end,false,for,function,if,in,local,nil,not,' +
+        'or,repeat,return,then,true,until,while,' +
+        // Metamethods (http://www.lua.org/manual/5.2/manual.html).
+        'add,sub,mul,div,mod,pow,unm,concat,len,eq,lt,le,index,newindex,call,' +
+        // Basic functions (http://www.lua.org/manual/5.2/manual.html,
+        // section 6.1).
+        'assert,collectgarbage,dofile,error,_G,getmetatable,inpairs,load,' +
+        'loadfile,next,pairs,pcall,print,rawequal,rawget,rawlen,rawset,select,' +
+        'setmetatable,tonumber,tostring,type,_VERSION,xpcall,' +
+        // Modules (http://www.lua.org/manual/5.2/manual.html, section 6.3).
+        'require,package,string,table,math,bit32,io,file,os,debug',
+    );
+  }
+
+  /**
+   * Initialise the database of variable names.
+   *
+   * @param workspace Workspace to generate code from.
+   */
+  init(workspace: Workspace) {
+    // Call Blockly.CodeGenerator's init.
+    super.init(workspace);
+
+    if (!this.nameDB_) {
+      this.nameDB_ = new Names(this.RESERVED_WORDS_);
+    } else {
+      this.nameDB_.reset();
+    }
+    this.nameDB_.setVariableMap(workspace.getVariableMap());
+    this.nameDB_.populateVariables(workspace);
+    this.nameDB_.populateProcedures(workspace);
+
+    this.isInitialized = true;
+  }
+
+  /**
+   * Prepend the generated code with the variable definitions.
+   *
+   * @param code Generated code.
+   * @returns Completed code.
+   */
+  finish(code: string): string {
+    // Convert the definitions dictionary into a list.
+    const definitions = Object.values(this.definitions_);
+    // Call Blockly.CodeGenerator's finish.
+    code = super.finish(code);
+    this.isInitialized = false;
+
+    this.nameDB_!.reset();
+    return definitions.join('\n\n') + '\n\n\n' + code;
+  }
+
+  /**
+   * Naked values are top-level blocks with outputs that aren't plugged into
+   * anything. In Lua, an expression is not a legal statement, so we must assign
+   * the value to the (conventionally ignored) _.
+   * http://lua-users.org/wiki/ExpressionsAsStatements
+   *
+   * @param line Line of generated code.
+   * @return Legal line of code.
+   */
+  scrubNakedValue(line: string): string {
+    return 'local _ = ' + line + '\n';
+  }
+
+  /**
+   * Encode a string as a properly escaped Lua string, complete with
+   * quotes.
+   *
+   * @param string Text to encode.
+   * @returns Lua string.
+   */
+  quote_(string: string): string {
+    string = string
+      .replace(/\\/g, '\\\\')
+      .replace(/\n/g, '\\\n')
+      .replace(/'/g, "\\'");
+    return "'" + string + "'";
+  }
+
+  /**
+   * Encode a string as a properly escaped multiline Lua string, complete with
+   * quotes.
+   *
+   * @param string Text to encode.
+   * @returns Lua string.
+   */
+  multiline_quote_(string: string): string {
+    const lines = string.split(/\n/g).map(this.quote_);
+    // Join with the following, plus a newline:
+    // .. '\n' ..
+    return lines.join(" .. '\\n' ..\n");
+  }
+
+  /**
+   * Common tasks for generating Lua from blocks.
+   * Handles comments for the specified block and any connected value blocks.
+   * Calls any statements following this block.
+   * @param block The current block.
+   * @param code The Lua code created for this block.
+   * @param thisOnly True to generate code for only this statement.
+   * @returns Lua code with comments and subsequent blocks added.
+   */
+  scrub_(block: Block, code: string, thisOnly = false): string {
+    let commentCode = '';
+    // Only collect comments for blocks that aren't inline.
+    if (!block.outputConnection || !block.outputConnection.targetConnection) {
+      // Collect comment for this block.
+      let comment = block.getCommentText();
+      if (comment) {
+        comment = stringUtils.wrap(comment, this.COMMENT_WRAP - 3);
+        commentCode += this.prefixLines(comment, '-- ') + '\n';
+      }
+      // Collect comments for all value arguments.
+      // Don't collect comments for nested statements.
+      for (let i = 0; i < block.inputList.length; i++) {
+        if (block.inputList[i].type === inputTypes.VALUE) {
+          const childBlock = block.inputList[i].connection!.targetBlock();
+          if (childBlock) {
+            comment = this.allNestedComments(childBlock);
+            if (comment) {
+              commentCode += this.prefixLines(comment, '-- ');
+            }
+          }
+        }
+      }
+    }
+    const nextBlock =
+      block.nextConnection && block.nextConnection.targetBlock();
+    const nextCode = thisOnly ? '' : this.blockToCode(nextBlock);
+    return commentCode + code + nextCode;
+  }
+}
diff --git a/generators/lua/math.js b/generators/lua/math.js
deleted file mode 100644
index 23f0485e632..00000000000
--- a/generators/lua/math.js
+++ /dev/null
@@ -1,423 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Lua for math blocks.
- * @author rodrigoq@google.com (Rodrigo Queiro)
- */
-'use strict';
-
-goog.provide('Blockly.Lua.math');
-
-goog.require('Blockly.Lua');
-
-
-Blockly.Lua['math_number'] = function(block) {
-  // Numeric value.
-  var code = Number(block.getFieldValue('NUM'));
-  var order = code < 0 ? Blockly.Lua.ORDER_UNARY :
-              Blockly.Lua.ORDER_ATOMIC;
-  return [code, order];
-};
-
-Blockly.Lua['math_arithmetic'] = function(block) {
-  // Basic arithmetic operators, and power.
-  var OPERATORS = {
-    ADD: [' + ', Blockly.Lua.ORDER_ADDITIVE],
-    MINUS: [' - ', Blockly.Lua.ORDER_ADDITIVE],
-    MULTIPLY: [' * ', Blockly.Lua.ORDER_MULTIPLICATIVE],
-    DIVIDE: [' / ', Blockly.Lua.ORDER_MULTIPLICATIVE],
-    POWER: [' ^ ', Blockly.Lua.ORDER_EXPONENTIATION]
-  };
-  var tuple = OPERATORS[block.getFieldValue('OP')];
-  var operator = tuple[0];
-  var order = tuple[1];
-  var argument0 = Blockly.Lua.valueToCode(block, 'A', order) || '0';
-  var argument1 = Blockly.Lua.valueToCode(block, 'B', order) || '0';
-  var code = argument0 + operator + argument1;
-  return [code, order];
-};
-
-Blockly.Lua['math_single'] = function(block) {
-  // Math operators with single operand.
-  var operator = block.getFieldValue('OP');
-  var code;
-  var arg;
-  if (operator == 'NEG') {
-    // Negation is a special case given its different operator precedence.
-    arg = Blockly.Lua.valueToCode(block, 'NUM',
-        Blockly.Lua.ORDER_UNARY) || '0';
-    return ['-' + arg, Blockly.Lua.ORDER_UNARY];
-  }
-  if (operator == 'POW10') {
-    arg = Blockly.Lua.valueToCode(block, 'NUM',
-        Blockly.Lua.ORDER_EXPONENTIATION) || '0';
-    return ['10 ^ ' + arg, Blockly.Lua.ORDER_EXPONENTIATION];
-  }
-  if (operator == 'ROUND') {
-    arg = Blockly.Lua.valueToCode(block, 'NUM',
-        Blockly.Lua.ORDER_ADDITIVE) || '0';
-  } else {
-    arg = Blockly.Lua.valueToCode(block, 'NUM',
-        Blockly.Lua.ORDER_NONE) || '0';
-  }
-  switch (operator) {
-    case 'ABS':
-      code = 'math.abs(' + arg + ')';
-      break;
-    case 'ROOT':
-      code = 'math.sqrt(' + arg + ')';
-      break;
-    case 'LN':
-      code = 'math.log(' + arg + ')';
-      break;
-    case 'LOG10':
-      code = 'math.log(' + arg + ', 10)';
-      break;
-    case 'EXP':
-      code = 'math.exp(' + arg + ')';
-      break;
-    case 'ROUND':
-      // This rounds up.  Blockly does not specify rounding direction.
-      code = 'math.floor(' + arg + ' + .5)';
-      break;
-    case 'ROUNDUP':
-      code = 'math.ceil(' + arg + ')';
-      break;
-    case 'ROUNDDOWN':
-      code = 'math.floor(' + arg + ')';
-      break;
-    case 'SIN':
-      code = 'math.sin(math.rad(' + arg + '))';
-      break;
-    case 'COS':
-      code = 'math.cos(math.rad(' + arg + '))';
-      break;
-    case 'TAN':
-      code = 'math.tan(math.rad(' + arg + '))';
-      break;
-    case 'ASIN':
-      code = 'math.deg(math.asin(' + arg + '))';
-      break;
-    case 'ACOS':
-      code = 'math.deg(math.acos(' + arg + '))';
-      break;
-    case 'ATAN':
-      code = 'math.deg(math.atan(' + arg + '))';
-      break;
-    default:
-      throw Error('Unknown math operator: ' + operator);
-  }
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['math_constant'] = function(block) {
-  // Constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
-  var CONSTANTS = {
-    PI: ['math.pi', Blockly.Lua.ORDER_HIGH],
-    E: ['math.exp(1)', Blockly.Lua.ORDER_HIGH],
-    GOLDEN_RATIO: ['(1 + math.sqrt(5)) / 2', Blockly.Lua.ORDER_MULTIPLICATIVE],
-    SQRT2: ['math.sqrt(2)', Blockly.Lua.ORDER_HIGH],
-    SQRT1_2: ['math.sqrt(1 / 2)', Blockly.Lua.ORDER_HIGH],
-    INFINITY: ['math.huge', Blockly.Lua.ORDER_HIGH]
-  };
-  return CONSTANTS[block.getFieldValue('CONSTANT')];
-};
-
-Blockly.Lua['math_number_property'] = function(block) {
-  // Check if a number is even, odd, prime, whole, positive, or negative
-  // or if it is divisible by certain number. Returns true or false.
-  var number_to_check = Blockly.Lua.valueToCode(block, 'NUMBER_TO_CHECK',
-      Blockly.Lua.ORDER_MULTIPLICATIVE) || '0';
-  var dropdown_property = block.getFieldValue('PROPERTY');
-  var code;
-  if (dropdown_property == 'PRIME') {
-    // Prime is a special case as it is not a one-liner test.
-    var functionName = Blockly.Lua.provideFunction_(
-        'math_isPrime',
-        ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(n)',
-         '  -- https://en.wikipedia.org/wiki/Primality_test#Naive_methods',
-         '  if n == 2 or n == 3 then',
-         '    return true',
-         '  end',
-         '  -- False if n is NaN, negative, is 1, or not whole.',
-         '  -- And false if n is divisible by 2 or 3.',
-         '  if not(n > 1) or n % 1 ~= 0 or n % 2 == 0 or n % 3 == 0 then',
-         '    return false',
-         '  end',
-         '  -- Check all the numbers of form 6k +/- 1, up to sqrt(n).',
-         '  for x = 6, math.sqrt(n) + 1.5, 6 do',
-         '    if n % (x - 1) == 0 or n % (x + 1) == 0 then',
-         '      return false',
-         '    end',
-         '  end',
-         '  return true',
-         'end']);
-    code = functionName + '(' + number_to_check + ')';
-    return [code, Blockly.Lua.ORDER_HIGH];
-  }
-  switch (dropdown_property) {
-    case 'EVEN':
-      code = number_to_check + ' % 2 == 0';
-      break;
-    case 'ODD':
-      code = number_to_check + ' % 2 == 1';
-      break;
-    case 'WHOLE':
-      code = number_to_check + ' % 1 == 0';
-      break;
-    case 'POSITIVE':
-      code = number_to_check + ' > 0';
-      break;
-    case 'NEGATIVE':
-      code = number_to_check + ' < 0';
-      break;
-    case 'DIVISIBLE_BY':
-      var divisor = Blockly.Lua.valueToCode(block, 'DIVISOR',
-          Blockly.Lua.ORDER_MULTIPLICATIVE);
-      // If 'divisor' is some code that evals to 0, Lua will produce a nan.
-      // Let's produce nil if we can determine this at compile-time.
-      if (!divisor || divisor == '0') {
-        return ['nil', Blockly.Lua.ORDER_ATOMIC];
-      }
-      // The normal trick to implement ?: with and/or doesn't work here:
-      //   divisor == 0 and nil or number_to_check % divisor == 0
-      // because nil is false, so allow a runtime failure. :-(
-      code = number_to_check + ' % ' + divisor + ' == 0';
-      break;
-  }
-  return [code, Blockly.Lua.ORDER_RELATIONAL];
-};
-
-Blockly.Lua['math_change'] = function(block) {
-  // Add to a variable in place.
-  var argument0 = Blockly.Lua.valueToCode(block, 'DELTA',
-      Blockly.Lua.ORDER_ADDITIVE) || '0';
-  var varName = Blockly.Lua.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  return varName + ' = ' + varName + ' + ' + argument0 + '\n';
-};
-
-// Rounding functions have a single operand.
-Blockly.Lua['math_round'] = Blockly.Lua['math_single'];
-// Trigonometry functions have a single operand.
-Blockly.Lua['math_trig'] = Blockly.Lua['math_single'];
-
-Blockly.Lua['math_on_list'] = function(block) {
-  // Math functions for lists.
-  var func = block.getFieldValue('OP');
-  var list = Blockly.Lua.valueToCode(block, 'LIST',
-      Blockly.Lua.ORDER_NONE) || '{}';
-  var functionName;
-
-  // Functions needed in more than one case.
-  function provideSum() {
-    return Blockly.Lua.provideFunction_(
-        'math_sum',
-        ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(t)',
-         '  local result = 0',
-         '  for _, v in ipairs(t) do',
-         '    result = result + v',
-         '  end',
-         '  return result',
-         'end']);
-  }
-
-  switch (func) {
-    case 'SUM':
-      functionName = provideSum();
-      break;
-
-    case 'MIN':
-      // Returns 0 for the empty list.
-      functionName = Blockly.Lua.provideFunction_(
-          'math_min',
-          ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(t)',
-           '  if #t == 0 then',
-           '    return 0',
-           '  end',
-           '  local result = math.huge',
-           '  for _, v in ipairs(t) do',
-           '    if v < result then',
-           '      result = v',
-           '    end',
-           '  end',
-           '  return result',
-           'end']);
-      break;
-
-    case 'AVERAGE':
-      // Returns 0 for the empty list.
-      functionName = Blockly.Lua.provideFunction_(
-          'math_average',
-          ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(t)',
-           '  if #t == 0 then',
-           '    return 0',
-           '  end',
-           '  return ' + provideSum() + '(t) / #t',
-           'end']);
-      break;
-
-    case 'MAX':
-      // Returns 0 for the empty list.
-      functionName = Blockly.Lua.provideFunction_(
-          'math_max',
-          ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(t)',
-           '  if #t == 0 then',
-           '    return 0',
-           '  end',
-           '  local result = -math.huge',
-           '  for _, v in ipairs(t) do',
-           '    if v > result then',
-           '      result = v',
-           '    end',
-           '  end',
-           '  return result',
-           'end']);
-      break;
-
-    case 'MEDIAN':
-      functionName = Blockly.Lua.provideFunction_(
-          'math_median',
-          // This operation excludes non-numbers.
-          ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(t)',
-           '  -- Source: http://lua-users.org/wiki/SimpleStats',
-           '  if #t == 0 then',
-           '    return 0',
-           '  end',
-           '  local temp={}',
-           '  for _, v in ipairs(t) do',
-           '    if type(v) == "number" then',
-           '      table.insert(temp, v)',
-           '    end',
-           '  end',
-           '  table.sort(temp)',
-           '  if #temp % 2 == 0 then',
-           '    return (temp[#temp/2] + temp[(#temp/2)+1]) / 2',
-           '  else',
-           '    return temp[math.ceil(#temp/2)]',
-           '  end',
-           'end']);
-      break;
-
-    case 'MODE':
-      functionName = Blockly.Lua.provideFunction_(
-          'math_modes',
-          // As a list of numbers can contain more than one mode,
-          // the returned result is provided as an array.
-          // The Lua version includes non-numbers.
-          ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(t)',
-           '  -- Source: http://lua-users.org/wiki/SimpleStats',
-           '  local counts={}',
-           '  for _, v in ipairs(t) do',
-           '    if counts[v] == nil then',
-           '      counts[v] = 1',
-           '    else',
-           '      counts[v] = counts[v] + 1',
-           '    end',
-           '  end',
-           '  local biggestCount = 0',
-           '  for _, v  in pairs(counts) do',
-           '    if v > biggestCount then',
-           '      biggestCount = v',
-           '    end',
-           '  end',
-           '  local temp={}',
-           '  for k, v in pairs(counts) do',
-           '    if v == biggestCount then',
-           '      table.insert(temp, k)',
-           '    end',
-           '  end',
-           '  return temp',
-           'end']);
-      break;
-
-    case 'STD_DEV':
-      functionName = Blockly.Lua.provideFunction_(
-          'math_standard_deviation',
-          ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(t)',
-           '  local m',
-           '  local vm',
-           '  local total = 0',
-           '  local count = 0',
-           '  local result',
-           '  m = #t == 0 and 0 or ' + provideSum() + '(t) / #t',
-           '  for _, v in ipairs(t) do',
-           "    if type(v) == 'number' then",
-           '      vm = v - m',
-           '      total = total + (vm * vm)',
-           '      count = count + 1',
-           '    end',
-           '  end',
-           '  result = math.sqrt(total / (count-1))',
-           '  return result',
-           'end']);
-      break;
-
-    case 'RANDOM':
-      functionName = Blockly.Lua.provideFunction_(
-          'math_random_list',
-          ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(t)',
-           '  if #t == 0 then',
-           '    return nil',
-           '  end',
-           '  return t[math.random(#t)]',
-           'end']);
-      break;
-
-    default:
-      throw Error('Unknown operator: ' + func);
-  }
-  return [functionName + '(' + list + ')', Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['math_modulo'] = function(block) {
-  // Remainder computation.
-  var argument0 = Blockly.Lua.valueToCode(block, 'DIVIDEND',
-      Blockly.Lua.ORDER_MULTIPLICATIVE) || '0';
-  var argument1 = Blockly.Lua.valueToCode(block, 'DIVISOR',
-      Blockly.Lua.ORDER_MULTIPLICATIVE) || '0';
-  var code = argument0 + ' % ' + argument1;
-  return [code, Blockly.Lua.ORDER_MULTIPLICATIVE];
-};
-
-Blockly.Lua['math_constrain'] = function(block) {
-  // Constrain a number between two limits.
-  var argument0 = Blockly.Lua.valueToCode(block, 'VALUE',
-      Blockly.Lua.ORDER_NONE) || '0';
-  var argument1 = Blockly.Lua.valueToCode(block, 'LOW',
-      Blockly.Lua.ORDER_NONE) || '-math.huge';
-  var argument2 = Blockly.Lua.valueToCode(block, 'HIGH',
-      Blockly.Lua.ORDER_NONE) || 'math.huge';
-  var code = 'math.min(math.max(' + argument0 + ', ' + argument1 + '), ' +
-      argument2 + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['math_random_int'] = function(block) {
-  // Random integer between [X] and [Y].
-  var argument0 = Blockly.Lua.valueToCode(block, 'FROM',
-      Blockly.Lua.ORDER_NONE) || '0';
-  var argument1 = Blockly.Lua.valueToCode(block, 'TO',
-      Blockly.Lua.ORDER_NONE) || '0';
-  var code = 'math.random(' + argument0 + ', ' + argument1 + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['math_random_float'] = function(block) {
-  // Random fraction between 0 and 1.
-  return ['math.random()', Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['math_atan2'] = function(block) {
-  // Arctangent of point (X, Y) in degrees from -180 to 180.
-  var argument0 = Blockly.Lua.valueToCode(block, 'X',
-      Blockly.Lua.ORDER_NONE) || '0';
-  var argument1 = Blockly.Lua.valueToCode(block, 'Y',
-      Blockly.Lua.ORDER_NONE) || '0';
-  return ['math.deg(math.atan2(' + argument1 + ', ' + argument0 + '))',
-      Blockly.Lua.ORDER_HIGH];
-};
diff --git a/generators/lua/math.ts b/generators/lua/math.ts
new file mode 100644
index 00000000000..8cf87cc6b62
--- /dev/null
+++ b/generators/lua/math.ts
@@ -0,0 +1,473 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Lua for math blocks.
+ */
+
+// Former goog.module ID: Blockly.Lua.math
+
+import type {Block} from '../../core/block.js';
+import type {LuaGenerator} from './lua_generator.js';
+import {Order} from './lua_generator.js';
+
+export function math_number(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Numeric value.
+  const code = Number(block.getFieldValue('NUM'));
+  const order = code < 0 ? Order.UNARY : Order.ATOMIC;
+  return [String(code), order];
+}
+
+export function math_arithmetic(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Basic arithmetic operators, and power.
+  const OPERATORS: Record<string, [string, Order]> = {
+    'ADD': [' + ', Order.ADDITIVE],
+    'MINUS': [' - ', Order.ADDITIVE],
+    'MULTIPLY': [' * ', Order.MULTIPLICATIVE],
+    'DIVIDE': [' / ', Order.MULTIPLICATIVE],
+    'POWER': [' ^ ', Order.EXPONENTIATION],
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const tuple = OPERATORS[block.getFieldValue('OP') as OperatorOption];
+  const operator = tuple[0];
+  const order = tuple[1];
+  const argument0 = generator.valueToCode(block, 'A', order) || '0';
+  const argument1 = generator.valueToCode(block, 'B', order) || '0';
+  const code = argument0 + operator + argument1;
+  return [code, order];
+}
+
+export function math_single(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Math operators with single operand.
+  const operator = block.getFieldValue('OP');
+  let arg;
+  if (operator === 'NEG') {
+    // Negation is a special case given its different operator precedence.
+    arg = generator.valueToCode(block, 'NUM', Order.UNARY) || '0';
+    return ['-' + arg, Order.UNARY];
+  }
+  if (operator === 'POW10') {
+    arg = generator.valueToCode(block, 'NUM', Order.EXPONENTIATION) || '0';
+    return ['10 ^ ' + arg, Order.EXPONENTIATION];
+  }
+  if (operator === 'ROUND') {
+    arg = generator.valueToCode(block, 'NUM', Order.ADDITIVE) || '0';
+  } else {
+    arg = generator.valueToCode(block, 'NUM', Order.NONE) || '0';
+  }
+
+  let code;
+  switch (operator) {
+    case 'ABS':
+      code = 'math.abs(' + arg + ')';
+      break;
+    case 'ROOT':
+      code = 'math.sqrt(' + arg + ')';
+      break;
+    case 'LN':
+      code = 'math.log(' + arg + ')';
+      break;
+    case 'LOG10':
+      code = 'math.log(' + arg + ', 10)';
+      break;
+    case 'EXP':
+      code = 'math.exp(' + arg + ')';
+      break;
+    case 'ROUND':
+      // This rounds up.  Blockly does not specify rounding direction.
+      code = 'math.floor(' + arg + ' + .5)';
+      break;
+    case 'ROUNDUP':
+      code = 'math.ceil(' + arg + ')';
+      break;
+    case 'ROUNDDOWN':
+      code = 'math.floor(' + arg + ')';
+      break;
+    case 'SIN':
+      code = 'math.sin(math.rad(' + arg + '))';
+      break;
+    case 'COS':
+      code = 'math.cos(math.rad(' + arg + '))';
+      break;
+    case 'TAN':
+      code = 'math.tan(math.rad(' + arg + '))';
+      break;
+    case 'ASIN':
+      code = 'math.deg(math.asin(' + arg + '))';
+      break;
+    case 'ACOS':
+      code = 'math.deg(math.acos(' + arg + '))';
+      break;
+    case 'ATAN':
+      code = 'math.deg(math.atan(' + arg + '))';
+      break;
+    default:
+      throw Error('Unknown math operator: ' + operator);
+  }
+  return [code, Order.HIGH];
+}
+
+export function math_constant(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
+  const CONSTANTS: Record<string, [string, Order]> = {
+    'PI': ['math.pi', Order.HIGH],
+    'E': ['math.exp(1)', Order.HIGH],
+    'GOLDEN_RATIO': ['(1 + math.sqrt(5)) / 2', Order.MULTIPLICATIVE],
+    'SQRT2': ['math.sqrt(2)', Order.HIGH],
+    'SQRT1_2': ['math.sqrt(1 / 2)', Order.HIGH],
+    'INFINITY': ['math.huge', Order.HIGH],
+  };
+  return CONSTANTS[block.getFieldValue('CONSTANT')];
+}
+
+export function math_number_property(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Check if a number is even, odd, prime, whole, positive, or negative
+  // or if it is divisible by certain number. Returns true or false.
+  const PROPERTIES: Record<string, [string | null, Order, Order]> = {
+    'EVEN': [' % 2 == 0', Order.MULTIPLICATIVE, Order.RELATIONAL],
+    'ODD': [' % 2 == 1', Order.MULTIPLICATIVE, Order.RELATIONAL],
+    'WHOLE': [' % 1 == 0', Order.MULTIPLICATIVE, Order.RELATIONAL],
+    'POSITIVE': [' > 0', Order.RELATIONAL, Order.RELATIONAL],
+    'NEGATIVE': [' < 0', Order.RELATIONAL, Order.RELATIONAL],
+    'DIVISIBLE_BY': [null, Order.MULTIPLICATIVE, Order.RELATIONAL],
+    'PRIME': [null, Order.NONE, Order.HIGH],
+  };
+  const dropdownProperty = block.getFieldValue('PROPERTY');
+  const [suffix, inputOrder, outputOrder] = PROPERTIES[dropdownProperty];
+  const numberToCheck =
+    generator.valueToCode(block, 'NUMBER_TO_CHECK', inputOrder) || '0';
+  let code;
+  if (dropdownProperty === 'PRIME') {
+    // Prime is a special case as it is not a one-liner test.
+    const functionName = generator.provideFunction_(
+      'math_isPrime',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(n)
+  -- https://en.wikipedia.org/wiki/Primality_test#Naive_methods
+  if n == 2 or n == 3 then
+    return true
+  end
+  -- False if n is NaN, negative, is 1, or not whole.
+  -- And false if n is divisible by 2 or 3.
+  if not(n > 1) or n % 1 ~= 0 or n % 2 == 0 or n % 3 == 0 then
+    return false
+  end
+  -- Check all the numbers of form 6k +/- 1, up to sqrt(n).
+  for x = 6, math.sqrt(n) + 1.5, 6 do
+    if n % (x - 1) == 0 or n % (x + 1) == 0 then
+      return false
+    end
+  end
+  return true
+end
+`,
+    );
+    code = functionName + '(' + numberToCheck + ')';
+  } else if (dropdownProperty === 'DIVISIBLE_BY') {
+    const divisor =
+      generator.valueToCode(block, 'DIVISOR', Order.MULTIPLICATIVE) || '0';
+    // If 'divisor' is some code that evals to 0, generator will produce a nan.
+    // Let's produce nil if we can determine this at compile-time.
+    if (divisor === '0') {
+      return ['nil', Order.ATOMIC];
+    }
+    // The normal trick to implement ?: with and/or doesn't work here:
+    //   divisor == 0 and nil or number_to_check % divisor == 0
+    // because nil is false, so allow a runtime failure. :-(
+    code = numberToCheck + ' % ' + divisor + ' == 0';
+  } else {
+    code = numberToCheck + suffix;
+  }
+  return [code, outputOrder];
+}
+
+export function math_change(block: Block, generator: LuaGenerator): string {
+  // Add to a variable in place.
+  const argument0 =
+    generator.valueToCode(block, 'DELTA', Order.ADDITIVE) || '0';
+  const varName = generator.getVariableName(block.getFieldValue('VAR'));
+  return varName + ' = ' + varName + ' + ' + argument0 + '\n';
+}
+
+// Rounding functions have a single operand.
+export const math_round = math_single;
+// Trigonometry functions have a single operand.
+export const math_trig = math_single;
+
+export function math_on_list(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Math functions for lists.
+  const func = block.getFieldValue('OP');
+  const list = generator.valueToCode(block, 'LIST', Order.NONE) || '{}';
+  let functionName;
+
+  // Functions needed in more than one case.
+  function provideSum() {
+    return generator.provideFunction_(
+      'math_sum',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(t)
+  local result = 0
+  for _, v in ipairs(t) do
+    result = result + v
+  end
+  return result
+end
+`,
+    );
+  }
+
+  switch (func) {
+    case 'SUM':
+      functionName = provideSum();
+      break;
+
+    case 'MIN':
+      // Returns 0 for the empty list.
+      functionName = generator.provideFunction_(
+        'math_min',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(t)
+  if #t == 0 then
+    return 0
+  end
+  local result = math.huge
+  for _, v in ipairs(t) do
+    if v < result then
+      result = v
+    end
+  end
+  return result
+end
+`,
+      );
+      break;
+
+    case 'AVERAGE':
+      // Returns 0 for the empty list.
+      functionName = generator.provideFunction_(
+        'math_average',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(t)
+  if #t == 0 then
+    return 0
+  end
+  return ${provideSum()}(t) / #t
+end
+`,
+      );
+      break;
+
+    case 'MAX':
+      // Returns 0 for the empty list.
+      functionName = generator.provideFunction_(
+        'math_max',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(t)
+  if #t == 0 then
+    return 0
+  end
+  local result = -math.huge
+  for _, v in ipairs(t) do
+    if v > result then
+      result = v
+    end
+  end
+  return result
+end
+`,
+      );
+      break;
+
+    case 'MEDIAN':
+      // This operation excludes non-numbers.
+      functionName = generator.provideFunction_(
+        'math_median',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(t)
+  -- Source: http://lua-users.org/wiki/SimpleStats
+  if #t == 0 then
+    return 0
+  end
+  local temp = {}
+  for _, v in ipairs(t) do
+    if type(v) == 'number' then
+      table.insert(temp, v)
+    end
+  end
+  table.sort(temp)
+  if #temp % 2 == 0 then
+    return (temp[#temp / 2] + temp[(#temp / 2) + 1]) / 2
+  else
+    return temp[math.ceil(#temp / 2)]
+  end
+end
+`,
+      );
+      break;
+
+    case 'MODE':
+      // As a list of numbers can contain more than one mode,
+      // the returned result is provided as an array.
+      // The generator version includes non-numbers.
+      functionName = generator.provideFunction_(
+        'math_modes',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(t)
+  -- Source: http://lua-users.org/wiki/SimpleStats
+  local counts = {}
+  for _, v in ipairs(t) do
+    if counts[v] == nil then
+      counts[v] = 1
+    else
+      counts[v] = counts[v] + 1
+    end
+  end
+  local biggestCount = 0
+  for _, v  in pairs(counts) do
+    if v > biggestCount then
+      biggestCount = v
+    end
+  end
+  local temp = {}
+  for k, v in pairs(counts) do
+    if v == biggestCount then
+      table.insert(temp, k)
+    end
+  end
+  return temp
+end
+`,
+      );
+      break;
+
+    case 'STD_DEV':
+      functionName = generator.provideFunction_(
+        'math_standard_deviation',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(t)
+  local m
+  local vm
+  local total = 0
+  local count = 0
+  local result
+  m = #t == 0 and 0 or ${provideSum()}(t) / #t
+  for _, v in ipairs(t) do
+    if type(v) == 'number' then
+      vm = v - m
+      total = total + (vm * vm)
+      count = count + 1
+    end
+  end
+  result = math.sqrt(total / (count-1))
+  return result
+end
+`,
+      );
+      break;
+
+    case 'RANDOM':
+      functionName = generator.provideFunction_(
+        'math_random_list',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(t)
+  if #t == 0 then
+    return nil
+  end
+  return t[math.random(#t)]
+end
+`,
+      );
+      break;
+
+    default:
+      throw Error('Unknown operator: ' + func);
+  }
+  return [functionName + '(' + list + ')', Order.HIGH];
+}
+
+export function math_modulo(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Remainder computation.
+  const argument0 =
+    generator.valueToCode(block, 'DIVIDEND', Order.MULTIPLICATIVE) || '0';
+  const argument1 =
+    generator.valueToCode(block, 'DIVISOR', Order.MULTIPLICATIVE) || '0';
+  const code = argument0 + ' % ' + argument1;
+  return [code, Order.MULTIPLICATIVE];
+}
+
+export function math_constrain(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Constrain a number between two limits.
+  const argument0 = generator.valueToCode(block, 'VALUE', Order.NONE) || '0';
+  const argument1 =
+    generator.valueToCode(block, 'LOW', Order.NONE) || '-math.huge';
+  const argument2 =
+    generator.valueToCode(block, 'HIGH', Order.NONE) || 'math.huge';
+  const code =
+    'math.min(math.max(' +
+    argument0 +
+    ', ' +
+    argument1 +
+    '), ' +
+    argument2 +
+    ')';
+  return [code, Order.HIGH];
+}
+
+export function math_random_int(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Random integer between [X] and [Y].
+  const argument0 = generator.valueToCode(block, 'FROM', Order.NONE) || '0';
+  const argument1 = generator.valueToCode(block, 'TO', Order.NONE) || '0';
+  const code = 'math.random(' + argument0 + ', ' + argument1 + ')';
+  return [code, Order.HIGH];
+}
+
+export function math_random_float(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Random fraction between 0 and 1.
+  return ['math.random()', Order.HIGH];
+}
+
+export function math_atan2(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Arctangent of point (X, Y) in degrees from -180 to 180.
+  const argument0 = generator.valueToCode(block, 'X', Order.NONE) || '0';
+  const argument1 = generator.valueToCode(block, 'Y', Order.NONE) || '0';
+  return [
+    'math.deg(math.atan2(' + argument1 + ', ' + argument0 + '))',
+    Order.HIGH,
+  ];
+}
diff --git a/generators/lua/procedures.js b/generators/lua/procedures.js
deleted file mode 100644
index 156c3c7d9c8..00000000000
--- a/generators/lua/procedures.js
+++ /dev/null
@@ -1,113 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Lua for procedure blocks.
- * @author rodrigoq@google.com (Rodrigo Queiro)
- */
-'use strict';
-
-goog.provide('Blockly.Lua.procedures');
-
-goog.require('Blockly.Lua');
-
-
-Blockly.Lua['procedures_defreturn'] = function(block) {
-  // Define a procedure with a return value.
-  var funcName = Blockly.Lua.variableDB_.getName(
-      block.getFieldValue('NAME'), Blockly.PROCEDURE_CATEGORY_NAME);
-  var xfix1 = '';
-  if (Blockly.Lua.STATEMENT_PREFIX) {
-    xfix1 += Blockly.Lua.injectId(Blockly.Lua.STATEMENT_PREFIX, block);
-  }
-  if (Blockly.Lua.STATEMENT_SUFFIX) {
-    xfix1 += Blockly.Lua.injectId(Blockly.Lua.STATEMENT_SUFFIX, block);
-  }
-  if (xfix1) {
-    xfix1 = Blockly.Lua.prefixLines(xfix1, Blockly.Lua.INDENT);
-  }
-  var loopTrap = '';
-  if (Blockly.Lua.INFINITE_LOOP_TRAP) {
-    loopTrap = Blockly.Lua.prefixLines(
-        Blockly.Lua.injectId(Blockly.Lua.INFINITE_LOOP_TRAP, block),
-        Blockly.Lua.INDENT);
-  }
-  var branch = Blockly.Lua.statementToCode(block, 'STACK');
-  var returnValue = Blockly.Lua.valueToCode(block, 'RETURN',
-      Blockly.Lua.ORDER_NONE) || '';
-  var xfix2 = '';
-  if (branch && returnValue) {
-    // After executing the function body, revisit this block for the return.
-    xfix2 = xfix1;
-  }
-  if (returnValue) {
-    returnValue = Blockly.Lua.INDENT + 'return ' + returnValue + '\n';
-  } else if (!branch) {
-    branch = '';
-  }
-  var args = [];
-  var variables = block.getVars();
-  for (var i = 0; i < variables.length; i++) {
-    args[i] = Blockly.Lua.variableDB_.getName(variables[i],
-        Blockly.VARIABLE_CATEGORY_NAME);
-  }
-  var code = 'function ' + funcName + '(' + args.join(', ') + ')\n' +
-      xfix1 + loopTrap + branch + xfix2 + returnValue + 'end\n';
-  code = Blockly.Lua.scrub_(block, code);
-  // Add % so as not to collide with helper functions in definitions list.
-  Blockly.Lua.definitions_['%' + funcName] = code;
-  return null;
-};
-
-// Defining a procedure without a return value uses the same generator as
-// a procedure with a return value.
-Blockly.Lua['procedures_defnoreturn'] =
-    Blockly.Lua['procedures_defreturn'];
-
-Blockly.Lua['procedures_callreturn'] = function(block) {
-  // Call a procedure with a return value.
-  var funcName = Blockly.Lua.variableDB_.getName(
-      block.getFieldValue('NAME'), Blockly.PROCEDURE_CATEGORY_NAME);
-  var args = [];
-  var variables = block.getVars();
-  for (var i = 0; i < variables.length; i++) {
-    args[i] = Blockly.Lua.valueToCode(block, 'ARG' + i,
-        Blockly.Lua.ORDER_NONE) || 'nil';
-  }
-  var code = funcName + '(' + args.join(', ') + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['procedures_callnoreturn'] = function(block) {
-  // Call a procedure with no return value.
-  // Generated code is for a function call as a statement is the same as a
-  // function call as a value, with the addition of line ending.
-  var tuple = Blockly.Lua['procedures_callreturn'](block);
-  return tuple[0] + '\n';
-};
-
-Blockly.Lua['procedures_ifreturn'] = function(block) {
-  // Conditionally return value from a procedure.
-  var condition = Blockly.Lua.valueToCode(block, 'CONDITION',
-      Blockly.Lua.ORDER_NONE) || 'false';
-  var code = 'if ' + condition + ' then\n';
-  if (Blockly.Lua.STATEMENT_SUFFIX) {
-    // Inject any statement suffix here since the regular one at the end
-    // will not get executed if the return is triggered.
-    code += Blockly.Lua.prefixLines(
-        Blockly.Lua.injectId(Blockly.Lua.STATEMENT_SUFFIX, block),
-        Blockly.Lua.INDENT);
-  }
-  if (block.hasReturnValue_) {
-    var value = Blockly.Lua.valueToCode(block, 'VALUE',
-        Blockly.Lua.ORDER_NONE) || 'nil';
-    code += Blockly.Lua.INDENT + 'return ' + value + '\n';
-  } else {
-    code += Blockly.Lua.INDENT + 'return\n';
-  }
-  code += 'end\n';
-  return code;
-};
diff --git a/generators/lua/procedures.ts b/generators/lua/procedures.ts
new file mode 100644
index 00000000000..79dc58aa252
--- /dev/null
+++ b/generators/lua/procedures.ts
@@ -0,0 +1,144 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Lua for procedure blocks.
+ */
+
+// Former goog.module ID: Blockly.Lua.procedures
+
+import type {Block} from '../../core/block.js';
+import type {IfReturnBlock} from '../../blocks/procedures.js';
+import type {LuaGenerator} from './lua_generator.js';
+import {Order} from './lua_generator.js';
+
+export function procedures_defreturn(
+  block: Block,
+  generator: LuaGenerator,
+): null {
+  // Define a procedure with a return value.
+  const funcName = generator.getProcedureName(block.getFieldValue('NAME'));
+  let xfix1 = '';
+  if (generator.STATEMENT_PREFIX) {
+    xfix1 += generator.injectId(generator.STATEMENT_PREFIX, block);
+  }
+  if (generator.STATEMENT_SUFFIX) {
+    xfix1 += generator.injectId(generator.STATEMENT_SUFFIX, block);
+  }
+  if (xfix1) {
+    xfix1 = generator.prefixLines(xfix1, generator.INDENT);
+  }
+  let loopTrap = '';
+  if (generator.INFINITE_LOOP_TRAP) {
+    loopTrap = generator.prefixLines(
+      generator.injectId(generator.INFINITE_LOOP_TRAP, block),
+      generator.INDENT,
+    );
+  }
+  let branch = '';
+  if (block.getInput('STACK')) {
+    // The 'procedures_defreturn' block might not have a STACK input.
+    branch = generator.statementToCode(block, 'STACK');
+  }
+  let returnValue = '';
+  if (block.getInput('RETURN')) {
+    // The 'procedures_defnoreturn' block (which shares this code)
+    // does not have a RETURN input.
+    returnValue = generator.valueToCode(block, 'RETURN', Order.NONE) || '';
+  }
+  let xfix2 = '';
+  if (branch && returnValue) {
+    // After executing the function body, revisit this block for the return.
+    xfix2 = xfix1;
+  }
+  if (returnValue) {
+    returnValue = generator.INDENT + 'return ' + returnValue + '\n';
+  } else if (!branch) {
+    branch = '';
+  }
+  const args = [];
+  const variables = block.getVars();
+  for (let i = 0; i < variables.length; i++) {
+    args[i] = generator.getVariableName(variables[i]);
+  }
+  let code =
+    'function ' +
+    funcName +
+    '(' +
+    args.join(', ') +
+    ')\n' +
+    xfix1 +
+    loopTrap +
+    branch +
+    xfix2 +
+    returnValue +
+    'end\n';
+  code = generator.scrub_(block, code);
+  // Add % so as not to collide with helper functions in definitions list.
+  // TODO(#7600): find better approach than casting to any to override
+  // CodeGenerator declaring .definitions protected.
+  (generator as AnyDuringMigration).definitions_['%' + funcName] = code;
+  return null;
+}
+
+// Defining a procedure without a return value uses the same generator as
+// a procedure with a return value.
+export const procedures_defnoreturn = procedures_defreturn;
+
+export function procedures_callreturn(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Call a procedure with a return value.
+  const funcName = generator.getProcedureName(block.getFieldValue('NAME'));
+  const args = [];
+  const variables = block.getVars();
+  for (let i = 0; i < variables.length; i++) {
+    args[i] = generator.valueToCode(block, 'ARG' + i, Order.NONE) || 'nil';
+  }
+  const code = funcName + '(' + args.join(', ') + ')';
+  return [code, Order.HIGH];
+}
+
+export function procedures_callnoreturn(
+  block: Block,
+  generator: LuaGenerator,
+): string {
+  // Call a procedure with no return value.
+  // Generated code is for a function call as a statement is the same as a
+  // function call as a value, with the addition of line ending.
+  const tuple = generator.forBlock['procedures_callreturn'](
+    block,
+    generator,
+  ) as [string, number];
+  return tuple[0] + '\n';
+}
+
+export function procedures_ifreturn(
+  block: Block,
+  generator: LuaGenerator,
+): string {
+  // Conditionally return value from a procedure.
+  const condition =
+    generator.valueToCode(block, 'CONDITION', Order.NONE) || 'false';
+  let code = 'if ' + condition + ' then\n';
+  if (generator.STATEMENT_SUFFIX) {
+    // Inject any statement suffix here since the regular one at the end
+    // will not get executed if the return is triggered.
+    code += generator.prefixLines(
+      generator.injectId(generator.STATEMENT_SUFFIX, block),
+      generator.INDENT,
+    );
+  }
+  if ((block as IfReturnBlock).hasReturnValue_) {
+    const value = generator.valueToCode(block, 'VALUE', Order.NONE) || 'nil';
+    code += generator.INDENT + 'return ' + value + '\n';
+  } else {
+    code += generator.INDENT + 'return\n';
+  }
+  code += 'end\n';
+  return code;
+}
diff --git a/generators/lua/text.js b/generators/lua/text.js
deleted file mode 100644
index 5f95d9a93cf..00000000000
--- a/generators/lua/text.js
+++ /dev/null
@@ -1,353 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Lua for text blocks.
- * @author rodrigoq@google.com (Rodrigo Queiro)
- */
-'use strict';
-
-goog.provide('Blockly.Lua.texts');
-
-goog.require('Blockly.Lua');
-
-
-Blockly.Lua['text'] = function(block) {
-  // Text value.
-  var code = Blockly.Lua.quote_(block.getFieldValue('TEXT'));
-  return [code, Blockly.Lua.ORDER_ATOMIC];
-};
-
-Blockly.Lua['text_multiline'] = function(block) {
-  // Text value.
-  var code = Blockly.Lua.multiline_quote_(block.getFieldValue('TEXT'));
-  return [code, Blockly.Lua.ORDER_ATOMIC];
-};
-
-Blockly.Lua['text_join'] = function(block) {
-  // Create a string made up of any number of elements of any type.
-  if (block.itemCount_ == 0) {
-    return ['\'\'', Blockly.Lua.ORDER_ATOMIC];
-  } else if (block.itemCount_ == 1) {
-    var element = Blockly.Lua.valueToCode(block, 'ADD0',
-        Blockly.Lua.ORDER_NONE) || '\'\'';
-    var code = 'tostring(' + element + ')';
-    return [code, Blockly.Lua.ORDER_HIGH];
-  } else if (block.itemCount_ == 2) {
-    var element0 = Blockly.Lua.valueToCode(block, 'ADD0',
-        Blockly.Lua.ORDER_CONCATENATION) || '\'\'';
-    var element1 = Blockly.Lua.valueToCode(block, 'ADD1',
-        Blockly.Lua.ORDER_CONCATENATION) || '\'\'';
-    var code = element0 + ' .. ' + element1;
-    return [code, Blockly.Lua.ORDER_CONCATENATION];
-  } else {
-    var elements = [];
-    for (var i = 0; i < block.itemCount_; i++) {
-      elements[i] = Blockly.Lua.valueToCode(block, 'ADD' + i,
-          Blockly.Lua.ORDER_NONE) || '\'\'';
-    }
-    var code = 'table.concat({' + elements.join(', ') + '})';
-    return [code, Blockly.Lua.ORDER_HIGH];
-  }
-};
-
-Blockly.Lua['text_append'] = function(block) {
-  // Append to a variable in place.
-  var varName = Blockly.Lua.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  var value = Blockly.Lua.valueToCode(block, 'TEXT',
-      Blockly.Lua.ORDER_CONCATENATION) || '\'\'';
-  return varName + ' = ' + varName + ' .. ' + value + '\n';
-};
-
-Blockly.Lua['text_length'] = function(block) {
-  // String or array length.
-  var text = Blockly.Lua.valueToCode(block, 'VALUE',
-      Blockly.Lua.ORDER_UNARY) || '\'\'';
-  return ['#' + text, Blockly.Lua.ORDER_UNARY];
-};
-
-Blockly.Lua['text_isEmpty'] = function(block) {
-  // Is the string null or array empty?
-  var text = Blockly.Lua.valueToCode(block, 'VALUE',
-      Blockly.Lua.ORDER_UNARY) || '\'\'';
-  return ['#' + text + ' == 0', Blockly.Lua.ORDER_RELATIONAL];
-};
-
-Blockly.Lua['text_indexOf'] = function(block) {
-  // Search the text for a substring.
-  var substring = Blockly.Lua.valueToCode(block, 'FIND',
-      Blockly.Lua.ORDER_NONE) || '\'\'';
-  var text = Blockly.Lua.valueToCode(block, 'VALUE',
-      Blockly.Lua.ORDER_NONE) || '\'\'';
-  if (block.getFieldValue('END') == 'FIRST') {
-    var functionName = Blockly.Lua.provideFunction_(
-        'firstIndexOf',
-        ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ +
-             '(str, substr) ',
-         '  local i = string.find(str, substr, 1, true)',
-         '  if i == nil then',
-         '    return 0',
-         '  else',
-         '    return i',
-         '  end',
-         'end']);
-  } else {
-    var functionName = Blockly.Lua.provideFunction_(
-        'lastIndexOf',
-        ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ +
-             '(str, substr)',
-         '  local i = string.find(string.reverse(str), ' +
-             'string.reverse(substr), 1, true)',
-         '  if i then',
-         '    return #str + 2 - i - #substr',
-         '  end',
-         '  return 0',
-         'end']);
-  }
-  var code = functionName + '(' + text + ', ' + substring + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['text_charAt'] = function(block) {
-  // Get letter at index.
-  // Note: Until January 2013 this block did not have the WHERE input.
-  var where = block.getFieldValue('WHERE') || 'FROM_START';
-  var atOrder = (where == 'FROM_END') ? Blockly.Lua.ORDER_UNARY :
-      Blockly.Lua.ORDER_NONE;
-  var at = Blockly.Lua.valueToCode(block, 'AT', atOrder) || '1';
-  var text = Blockly.Lua.valueToCode(block, 'VALUE',
-      Blockly.Lua.ORDER_NONE) || '\'\'';
-  var code;
-  if (where == 'RANDOM') {
-    var functionName = Blockly.Lua.provideFunction_(
-        'text_random_letter',
-        ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(str)',
-         '  local index = math.random(string.len(str))',
-         '  return string.sub(str, index, index)',
-         'end']);
-    code = functionName + '(' + text + ')';
-  } else {
-    if (where == 'FIRST') {
-      var start = '1';
-    } else if (where == 'LAST') {
-      var start = '-1';
-    } else {
-      if (where == 'FROM_START') {
-        var start = at;
-      } else if (where == 'FROM_END') {
-        var start = '-' + at;
-      } else {
-        throw Error('Unhandled option (text_charAt).');
-      }
-    }
-    if (start.match(/^-?\w*$/)) {
-      code = 'string.sub(' + text + ', ' + start + ', ' + start + ')';
-    } else {
-      // use function to avoid reevaluation
-      var functionName = Blockly.Lua.provideFunction_(
-          'text_char_at',
-          ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ +
-               '(str, index)',
-           '  return string.sub(str, index, index)',
-           'end']);
-      code = functionName + '(' + text + ', ' + start + ')';
-    }
-  }
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['text_getSubstring'] = function(block) {
-  // Get substring.
-  var text = Blockly.Lua.valueToCode(block, 'STRING',
-      Blockly.Lua.ORDER_NONE) || '\'\'';
-
-  // Get start index.
-  var where1 = block.getFieldValue('WHERE1');
-  var at1Order = (where1 == 'FROM_END') ? Blockly.Lua.ORDER_UNARY :
-      Blockly.Lua.ORDER_NONE;
-  var at1 = Blockly.Lua.valueToCode(block, 'AT1', at1Order) || '1';
-  if (where1 == 'FIRST') {
-    var start = 1;
-  } else if (where1 == 'FROM_START') {
-    var start = at1;
-  } else if (where1 == 'FROM_END') {
-    var start = '-' + at1;
-  } else {
-    throw Error('Unhandled option (text_getSubstring)');
-  }
-
-  // Get end index.
-  var where2 = block.getFieldValue('WHERE2');
-  var at2Order = (where2 == 'FROM_END') ? Blockly.Lua.ORDER_UNARY :
-      Blockly.Lua.ORDER_NONE;
-  var at2 = Blockly.Lua.valueToCode(block, 'AT2', at2Order) || '1';
-  if (where2 == 'LAST') {
-    var end = -1;
-  } else if (where2 == 'FROM_START') {
-    var end = at2;
-  } else if (where2 == 'FROM_END') {
-    var end = '-' + at2;
-  } else {
-    throw Error('Unhandled option (text_getSubstring)');
-  }
-  var code = 'string.sub(' + text + ', ' + start + ', ' + end + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['text_changeCase'] = function(block) {
-  // Change capitalization.
-  var operator = block.getFieldValue('CASE');
-  var text = Blockly.Lua.valueToCode(block, 'TEXT',
-      Blockly.Lua.ORDER_NONE) || '\'\'';
-  if (operator == 'UPPERCASE') {
-    var functionName = 'string.upper';
-  } else if (operator == 'LOWERCASE') {
-    var functionName = 'string.lower';
-  } else if (operator == 'TITLECASE') {
-    var functionName = Blockly.Lua.provideFunction_(
-        'text_titlecase',
-        // There are shorter versions at
-        // http://lua-users.org/wiki/SciteTitleCase
-        // that do not preserve whitespace.
-        ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(str)',
-         '  local buf = {}',
-         '  local inWord = false',
-         '  for i = 1, #str do',
-         '    local c = string.sub(str, i, i)',
-         '    if inWord then',
-         '      table.insert(buf, string.lower(c))',
-         '      if string.find(c, "%s") then',
-         '        inWord = false',
-         '      end',
-         '    else',
-         '      table.insert(buf, string.upper(c))',
-         '      inWord = true',
-         '    end',
-         '  end',
-         '  return table.concat(buf)',
-         'end']);
-  }
-  var code = functionName + '(' + text + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['text_trim'] = function(block) {
-  // Trim spaces.
-  var OPERATORS = {
-    LEFT: '^%s*(,-)',
-    RIGHT: '(.-)%s*$',
-    BOTH: '^%s*(.-)%s*$'
-  };
-  var operator = OPERATORS[block.getFieldValue('MODE')];
-  var text = Blockly.Lua.valueToCode(block, 'TEXT',
-      Blockly.Lua.ORDER_NONE) || '\'\'';
-  var code = 'string.gsub(' + text + ', "' + operator + '", "%1")';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['text_print'] = function(block) {
-  // Print statement.
-  var msg = Blockly.Lua.valueToCode(block, 'TEXT',
-      Blockly.Lua.ORDER_NONE) || '\'\'';
-  return 'print(' + msg + ')\n';
-};
-
-Blockly.Lua['text_prompt_ext'] = function(block) {
-  // Prompt function.
-  if (block.getField('TEXT')) {
-    // Internal message.
-    var msg = Blockly.Lua.quote_(block.getFieldValue('TEXT'));
-  } else {
-    // External message.
-    var msg = Blockly.Lua.valueToCode(block, 'TEXT',
-        Blockly.Lua.ORDER_NONE) || '\'\'';
-  }
-
-  var functionName = Blockly.Lua.provideFunction_(
-      'text_prompt',
-      ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(msg)',
-       '  io.write(msg)',
-       '  io.flush()',
-       '  return io.read()',
-       'end']);
-  var code = functionName + '(' + msg + ')';
-
-  var toNumber = block.getFieldValue('TYPE') == 'NUMBER';
-  if (toNumber) {
-    code = 'tonumber(' + code + ', 10)';
-  }
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['text_prompt'] = Blockly.Lua['text_prompt_ext'];
-
-Blockly.Lua['text_count'] = function(block) {
-  var text = Blockly.Lua.valueToCode(block, 'TEXT',
-      Blockly.Lua.ORDER_NONE) || '\'\'';
-  var sub = Blockly.Lua.valueToCode(block, 'SUB',
-      Blockly.Lua.ORDER_NONE) || '\'\'';
-  var functionName = Blockly.Lua.provideFunction_(
-      'text_count',
-      ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_
-        + '(haystack, needle)',
-        '  if #needle == 0 then',
-        '    return #haystack + 1',
-        '  end',
-        '  local i = 1',
-        '  local count = 0',
-        '  while true do',
-        '    i = string.find(haystack, needle, i, true)',
-        '    if i == nil then',
-        '      break',
-        '    end',
-        '    count = count + 1',
-        '    i = i + #needle',
-        '  end',
-        '  return count',
-        'end',
-      ]);
-  var code = functionName + '(' + text + ', ' + sub + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['text_replace'] = function(block) {
-  var text = Blockly.Lua.valueToCode(block, 'TEXT',
-      Blockly.Lua.ORDER_NONE) || '\'\'';
-  var from = Blockly.Lua.valueToCode(block, 'FROM',
-      Blockly.Lua.ORDER_NONE) || '\'\'';
-  var to = Blockly.Lua.valueToCode(block, 'TO',
-      Blockly.Lua.ORDER_NONE) || '\'\'';
-  var functionName = Blockly.Lua.provideFunction_(
-      'text_replace',
-      ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_
-        + '(haystack, needle, replacement)',
-        '  local buf = {}',
-        '  local i = 1',
-        '  while i <= #haystack do',
-        '    if string.sub(haystack, i, i + #needle - 1) == needle then',
-        '      for j = 1, #replacement do',
-        '        table.insert(buf, string.sub(replacement, j, j))',
-        '      end',
-        '      i = i + #needle',
-        '    else',
-        '      table.insert(buf, string.sub(haystack, i, i))',
-        '      i = i + 1',
-        '    end',
-        '  end',
-        '  return table.concat(buf)',
-        'end',
-      ]);
-  var code = functionName + '(' + text + ', ' + from + ', ' + to + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
-
-Blockly.Lua['text_reverse'] = function(block) {
-  var text = Blockly.Lua.valueToCode(block, 'TEXT',
-      Blockly.Lua.ORDER_HIGH) || '\'\'';
-  var code = 'string.reverse(' + text + ')';
-  return [code, Blockly.Lua.ORDER_HIGH];
-};
diff --git a/generators/lua/text.ts b/generators/lua/text.ts
new file mode 100644
index 00000000000..1c4a79a8e96
--- /dev/null
+++ b/generators/lua/text.ts
@@ -0,0 +1,380 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Lua for text blocks.
+ */
+
+// Former goog.module ID: Blockly.Lua.texts
+
+import type {Block} from '../../core/block.js';
+import type {JoinMutatorBlock} from '../../blocks/text.js';
+import type {LuaGenerator} from './lua_generator.js';
+import {Order} from './lua_generator.js';
+
+export function text(block: Block, generator: LuaGenerator): [string, Order] {
+  // Text value.
+  const code = generator.quote_(block.getFieldValue('TEXT'));
+  return [code, Order.ATOMIC];
+}
+
+export function text_join(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  const joinBlock = block as JoinMutatorBlock;
+  // Create a string made up of any number of elements of any type.
+  if (joinBlock.itemCount_ === 0) {
+    return ["''", Order.ATOMIC];
+  } else if (joinBlock.itemCount_ === 1) {
+    const element = generator.valueToCode(block, 'ADD0', Order.NONE) || "''";
+    const code = 'tostring(' + element + ')';
+    return [code, Order.HIGH];
+  } else if (joinBlock.itemCount_ === 2) {
+    const element0 =
+      generator.valueToCode(block, 'ADD0', Order.CONCATENATION) || "''";
+    const element1 =
+      generator.valueToCode(block, 'ADD1', Order.CONCATENATION) || "''";
+    const code = element0 + ' .. ' + element1;
+    return [code, Order.CONCATENATION];
+  } else {
+    const elements = [];
+    for (let i = 0; i < joinBlock.itemCount_; i++) {
+      elements[i] = generator.valueToCode(block, 'ADD' + i, Order.NONE) || "''";
+    }
+    const code = 'table.concat({' + elements.join(', ') + '})';
+    return [code, Order.HIGH];
+  }
+}
+
+export function text_append(block: Block, generator: LuaGenerator): string {
+  // Append to a variable in place.
+  const varName = generator.getVariableName(block.getFieldValue('VAR'));
+  const value =
+    generator.valueToCode(block, 'TEXT', Order.CONCATENATION) || "''";
+  return varName + ' = ' + varName + ' .. ' + value + '\n';
+}
+
+export function text_length(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // String or array length.
+  const text = generator.valueToCode(block, 'VALUE', Order.UNARY) || "''";
+  return ['#' + text, Order.UNARY];
+}
+
+export function text_isEmpty(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Is the string null or array empty?
+  const text = generator.valueToCode(block, 'VALUE', Order.UNARY) || "''";
+  return ['#' + text + ' == 0', Order.RELATIONAL];
+}
+
+export function text_indexOf(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Search the text for a substring.
+  const substring = generator.valueToCode(block, 'FIND', Order.NONE) || "''";
+  const text = generator.valueToCode(block, 'VALUE', Order.NONE) || "''";
+  let functionName;
+  if (block.getFieldValue('END') === 'FIRST') {
+    functionName = generator.provideFunction_(
+      'firstIndexOf',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(str, substr)
+  local i = string.find(str, substr, 1, true)
+  if i == nil then
+    return 0
+  end
+  return i
+end
+`,
+    );
+  } else {
+    functionName = generator.provideFunction_(
+      'lastIndexOf',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(str, substr)
+  local i = string.find(string.reverse(str), string.reverse(substr), 1, true)
+  if i then
+    return #str + 2 - i - #substr
+  end
+  return 0
+end
+`,
+    );
+  }
+  const code = functionName + '(' + text + ', ' + substring + ')';
+  return [code, Order.HIGH];
+}
+
+export function text_charAt(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Get letter at index.
+  // Note: Until January 2013 this block did not have the WHERE input.
+  const where = block.getFieldValue('WHERE') || 'FROM_START';
+  const text = generator.valueToCode(block, 'VALUE', Order.NONE) || "''";
+  let code;
+  if (where === 'RANDOM') {
+    const functionName = generator.provideFunction_(
+      'text_random_letter',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(str)
+  local index = math.random(string.len(str))
+  return string.sub(str, index, index)
+end
+`,
+    );
+    code = functionName + '(' + text + ')';
+  } else {
+    let start;
+    if (where === 'FIRST') {
+      start = '1';
+    } else if (where === 'LAST') {
+      start = '-1';
+    } else {
+      const atOrder = where === 'FROM_END' ? Order.UNARY : Order.NONE;
+      const at = generator.valueToCode(block, 'AT', atOrder) || '1';
+      if (where === 'FROM_START') {
+        start = at;
+      } else if (where === 'FROM_END') {
+        start = '-' + at;
+      } else {
+        throw Error('Unhandled option (text_charAt).');
+      }
+    }
+    if (start.match(/^-?\w*$/)) {
+      code = 'string.sub(' + text + ', ' + start + ', ' + start + ')';
+    } else {
+      // use function to avoid reevaluation
+      const functionName = generator.provideFunction_(
+        'text_char_at',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(str, index)
+  return string.sub(str, index, index)
+end
+`,
+      );
+      code = functionName + '(' + text + ', ' + start + ')';
+    }
+  }
+  return [code, Order.HIGH];
+}
+
+export function text_getSubstring(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Get substring.
+  const text = generator.valueToCode(block, 'STRING', Order.NONE) || "''";
+
+  // Get start index.
+  const where1 = block.getFieldValue('WHERE1');
+  const at1Order = where1 === 'FROM_END' ? Order.UNARY : Order.NONE;
+  const at1 = generator.valueToCode(block, 'AT1', at1Order) || '1';
+  let start;
+  if (where1 === 'FIRST') {
+    start = 1;
+  } else if (where1 === 'FROM_START') {
+    start = at1;
+  } else if (where1 === 'FROM_END') {
+    start = '-' + at1;
+  } else {
+    throw Error('Unhandled option (text_getSubstring)');
+  }
+
+  // Get end index.
+  const where2 = block.getFieldValue('WHERE2');
+  const at2Order = where2 === 'FROM_END' ? Order.UNARY : Order.NONE;
+  const at2 = generator.valueToCode(block, 'AT2', at2Order) || '1';
+  let end;
+  if (where2 === 'LAST') {
+    end = -1;
+  } else if (where2 === 'FROM_START') {
+    end = at2;
+  } else if (where2 === 'FROM_END') {
+    end = '-' + at2;
+  } else {
+    throw Error('Unhandled option (text_getSubstring)');
+  }
+  const code = 'string.sub(' + text + ', ' + start + ', ' + end + ')';
+  return [code, Order.HIGH];
+}
+
+export function text_changeCase(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Change capitalization.
+  const operator = block.getFieldValue('CASE');
+  const text = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  let functionName;
+  if (operator === 'UPPERCASE') {
+    functionName = 'string.upper';
+  } else if (operator === 'LOWERCASE') {
+    functionName = 'string.lower';
+  } else if (operator === 'TITLECASE') {
+    // There are shorter versions at
+    // http://lua-users.org/wiki/SciteTitleCase
+    // that do not preserve whitespace.
+    functionName = generator.provideFunction_(
+      'text_titlecase',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(str)
+  local buf = {}
+  local inWord = false
+  for i = 1, #str do
+    local c = string.sub(str, i, i)
+    if inWord then
+      table.insert(buf, string.lower(c))
+      if string.find(c, "%s") then
+        inWord = false
+      end
+    else
+      table.insert(buf, string.upper(c))
+      inWord = true
+    end
+  end
+  return table.concat(buf)
+end
+`,
+    );
+  }
+  const code = functionName + '(' + text + ')';
+  return [code, Order.HIGH];
+}
+
+export function text_trim(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Trim spaces.
+  const OPERATORS = {LEFT: '^%s*(,-)', RIGHT: '(.-)%s*$', BOTH: '^%s*(.-)%s*$'};
+  type OperatorOption = keyof typeof OPERATORS;
+  const operator = OPERATORS[block.getFieldValue('MODE') as OperatorOption];
+  const text = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  const code = 'string.gsub(' + text + ', "' + operator + '", "%1")';
+  return [code, Order.HIGH];
+}
+
+export function text_print(block: Block, generator: LuaGenerator): string {
+  // Print statement.
+  const msg = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  return 'print(' + msg + ')\n';
+}
+
+export function text_prompt_ext(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Prompt function.
+  let msg;
+  if (block.getField('TEXT')) {
+    // Internal message.
+    msg = generator.quote_(block.getFieldValue('TEXT'));
+  } else {
+    // External message.
+    msg = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  }
+
+  const functionName = generator.provideFunction_(
+    'text_prompt',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(msg)
+  io.write(msg)
+  io.flush()
+  return io.read()
+end
+`,
+  );
+  let code = functionName + '(' + msg + ')';
+
+  const toNumber = block.getFieldValue('TYPE') === 'NUMBER';
+  if (toNumber) {
+    code = 'tonumber(' + code + ', 10)';
+  }
+  return [code, Order.HIGH];
+}
+
+export const text_prompt = text_prompt_ext;
+
+export function text_count(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  const text = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  const sub = generator.valueToCode(block, 'SUB', Order.NONE) || "''";
+  const functionName = generator.provideFunction_(
+    'text_count',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(haystack, needle)
+  if #needle == 0 then
+    return #haystack + 1
+  end
+  local i = 1
+  local count = 0
+  while true do
+    i = string.find(haystack, needle, i, true)
+    if i == nil then
+      break
+    end
+    count = count + 1
+    i = i + #needle
+  end
+  return count
+end
+`,
+  );
+  const code = functionName + '(' + text + ', ' + sub + ')';
+  return [code, Order.HIGH];
+}
+
+export function text_replace(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  const text = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  const from = generator.valueToCode(block, 'FROM', Order.NONE) || "''";
+  const to = generator.valueToCode(block, 'TO', Order.NONE) || "''";
+  const functionName = generator.provideFunction_(
+    'text_replace',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(haystack, needle, replacement)
+  local buf = {}
+  local i = 1
+  while i <= #haystack do
+    if string.sub(haystack, i, i + #needle - 1) == needle then
+      for j = 1, #replacement do
+        table.insert(buf, string.sub(replacement, j, j))
+      end
+      i = i + #needle
+    else
+      table.insert(buf, string.sub(haystack, i, i))
+      i = i + 1
+    end
+  end
+  return table.concat(buf)
+end
+`,
+  );
+  const code = functionName + '(' + text + ', ' + from + ', ' + to + ')';
+  return [code, Order.HIGH];
+}
+
+export function text_reverse(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  const text = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  const code = 'string.reverse(' + text + ')';
+  return [code, Order.HIGH];
+}
diff --git a/generators/lua/variables.js b/generators/lua/variables.js
deleted file mode 100644
index 9249a43e9fa..00000000000
--- a/generators/lua/variables.js
+++ /dev/null
@@ -1,32 +0,0 @@
-/**
- * @license
- * Copyright 2016 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Lua for variable blocks.
- * @author rodrigoq@google.com (Rodrigo Queiro)
- */
-'use strict';
-
-goog.provide('Blockly.Lua.variables');
-
-goog.require('Blockly.Lua');
-
-
-Blockly.Lua['variables_get'] = function(block) {
-  // Variable getter.
-  var code = Blockly.Lua.variableDB_.getName(block.getFieldValue('VAR'),
-      Blockly.VARIABLE_CATEGORY_NAME);
-  return [code, Blockly.Lua.ORDER_ATOMIC];
-};
-
-Blockly.Lua['variables_set'] = function(block) {
-  // Variable setter.
-  var argument0 = Blockly.Lua.valueToCode(block, 'VALUE',
-      Blockly.Lua.ORDER_NONE) || '0';
-  var varName = Blockly.Lua.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  return varName + ' = ' + argument0 + '\n';
-};
diff --git a/generators/lua/variables.ts b/generators/lua/variables.ts
new file mode 100644
index 00000000000..b70f6892b9e
--- /dev/null
+++ b/generators/lua/variables.ts
@@ -0,0 +1,31 @@
+/**
+ * @license
+ * Copyright 2016 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Lua for variable blocks.
+ */
+
+// Former goog.module ID: Blockly.Lua.variables
+
+import type {Block} from '../../core/block.js';
+import type {LuaGenerator} from './lua_generator.js';
+import {Order} from './lua_generator.js';
+
+export function variables_get(
+  block: Block,
+  generator: LuaGenerator,
+): [string, Order] {
+  // Variable getter.
+  const code = generator.getVariableName(block.getFieldValue('VAR'));
+  return [code, Order.ATOMIC];
+}
+
+export function variables_set(block: Block, generator: LuaGenerator): string {
+  // Variable setter.
+  const argument0 = generator.valueToCode(block, 'VALUE', Order.NONE) || '0';
+  const varName = generator.getVariableName(block.getFieldValue('VAR'));
+  return varName + ' = ' + argument0 + '\n';
+}
diff --git a/generators/lua/variables_dynamic.js b/generators/lua/variables_dynamic.js
deleted file mode 100644
index ac4456d4fef..00000000000
--- a/generators/lua/variables_dynamic.js
+++ /dev/null
@@ -1,21 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Lua for dynamic variable blocks.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.Lua.variablesDynamic');
-
-goog.require('Blockly.Lua');
-goog.require('Blockly.Lua.variables');
-
-
-// Lua is dynamically typed.
-Blockly.Lua['variables_get_dynamic'] = Blockly.Lua['variables_get'];
-Blockly.Lua['variables_set_dynamic'] = Blockly.Lua['variables_set'];
diff --git a/generators/lua/variables_dynamic.ts b/generators/lua/variables_dynamic.ts
new file mode 100644
index 00000000000..62b981b3195
--- /dev/null
+++ b/generators/lua/variables_dynamic.ts
@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Lua for dynamic variable blocks.
+ */
+
+// Former goog.module ID: Blockly.Lua.variablesDynamic
+
+// Lua is dynamically typed.
+export {
+  variables_get as variables_get_dynamic,
+  variables_set as variables_set_dynamic,
+} from './variables.js';
diff --git a/generators/php.js b/generators/php.js
deleted file mode 100644
index 91460dfe5c9..00000000000
--- a/generators/php.js
+++ /dev/null
@@ -1,318 +0,0 @@
-/**
- * @license
- * Copyright 2015 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Helper functions for generating PHP for blocks.
- * @author daarond@gmail.com (Daaron Dwyer)
- */
-'use strict';
-
-goog.provide('Blockly.PHP');
-
-goog.require('Blockly.Generator');
-goog.require('Blockly.utils.string');
-
-
-/**
- * PHP code generator.
- * @type {!Blockly.Generator}
- */
-Blockly.PHP = new Blockly.Generator('PHP');
-
-/**
- * List of illegal variable names.
- * This is not intended to be a security feature.  Blockly is 100% client-side,
- * so bypassing this list is trivial.  This is intended to prevent users from
- * accidentally clobbering a built-in object or function.
- * @private
- */
-Blockly.PHP.addReservedWords(
-        // http://php.net/manual/en/reserved.keywords.php
-    '__halt_compiler,abstract,and,array,as,break,callable,case,catch,class,' +
-    'clone,const,continue,declare,default,die,do,echo,else,elseif,empty,' +
-    'enddeclare,endfor,endforeach,endif,endswitch,endwhile,eval,exit,extends,' +
-    'final,for,foreach,function,global,goto,if,implements,include,' +
-    'include_once,instanceof,insteadof,interface,isset,list,namespace,new,or,' +
-    'print,private,protected,public,require,require_once,return,static,' +
-    'switch,throw,trait,try,unset,use,var,while,xor,' +
-        // http://php.net/manual/en/reserved.constants.php
-    'PHP_VERSION,PHP_MAJOR_VERSION,PHP_MINOR_VERSION,PHP_RELEASE_VERSION,' +
-    'PHP_VERSION_ID,PHP_EXTRA_VERSION,PHP_ZTS,PHP_DEBUG,PHP_MAXPATHLEN,' +
-    'PHP_OS,PHP_SAPI,PHP_EOL,PHP_INT_MAX,PHP_INT_SIZE,DEFAULT_INCLUDE_PATH,' +
-    'PEAR_INSTALL_DIR,PEAR_EXTENSION_DIR,PHP_EXTENSION_DIR,PHP_PREFIX,' +
-    'PHP_BINDIR,PHP_BINARY,PHP_MANDIR,PHP_LIBDIR,PHP_DATADIR,PHP_SYSCONFDIR,' +
-    'PHP_LOCALSTATEDIR,PHP_CONFIG_FILE_PATH,PHP_CONFIG_FILE_SCAN_DIR,' +
-    'PHP_SHLIB_SUFFIX,E_ERROR,E_WARNING,E_PARSE,E_NOTICE,E_CORE_ERROR,' +
-    'E_CORE_WARNING,E_COMPILE_ERROR,E_COMPILE_WARNING,E_USER_ERROR,' +
-    'E_USER_WARNING,E_USER_NOTICE,E_DEPRECATED,E_USER_DEPRECATED,E_ALL,' +
-    'E_STRICT,__COMPILER_HALT_OFFSET__,TRUE,FALSE,NULL,__CLASS__,__DIR__,' +
-    '__FILE__,__FUNCTION__,__LINE__,__METHOD__,__NAMESPACE__,__TRAIT__'
-);
-
-/**
- * Order of operation ENUMs.
- * http://php.net/manual/en/language.operators.precedence.php
- */
-Blockly.PHP.ORDER_ATOMIC = 0;             // 0 "" ...
-Blockly.PHP.ORDER_CLONE = 1;              // clone
-Blockly.PHP.ORDER_NEW = 1;                // new
-Blockly.PHP.ORDER_MEMBER = 2.1;           // []
-Blockly.PHP.ORDER_FUNCTION_CALL = 2.2;    // ()
-Blockly.PHP.ORDER_POWER = 3;              // **
-Blockly.PHP.ORDER_INCREMENT = 4;          // ++
-Blockly.PHP.ORDER_DECREMENT = 4;          // --
-Blockly.PHP.ORDER_BITWISE_NOT = 4;        // ~
-Blockly.PHP.ORDER_CAST = 4;               // (int) (float) (string) (array) ...
-Blockly.PHP.ORDER_SUPPRESS_ERROR = 4;     // @
-Blockly.PHP.ORDER_INSTANCEOF = 5;         // instanceof
-Blockly.PHP.ORDER_LOGICAL_NOT = 6;        // !
-Blockly.PHP.ORDER_UNARY_PLUS = 7.1;       // +
-Blockly.PHP.ORDER_UNARY_NEGATION = 7.2;   // -
-Blockly.PHP.ORDER_MULTIPLICATION = 8.1;   // *
-Blockly.PHP.ORDER_DIVISION = 8.2;         // /
-Blockly.PHP.ORDER_MODULUS = 8.3;          // %
-Blockly.PHP.ORDER_ADDITION = 9.1;         // +
-Blockly.PHP.ORDER_SUBTRACTION = 9.2;      // -
-Blockly.PHP.ORDER_STRING_CONCAT = 9.3;    // .
-Blockly.PHP.ORDER_BITWISE_SHIFT = 10;     // << >>
-Blockly.PHP.ORDER_RELATIONAL = 11;        // < <= > >=
-Blockly.PHP.ORDER_EQUALITY = 12;          // == != === !== <> <=>
-Blockly.PHP.ORDER_REFERENCE = 13;         // &
-Blockly.PHP.ORDER_BITWISE_AND = 13;       // &
-Blockly.PHP.ORDER_BITWISE_XOR = 14;       // ^
-Blockly.PHP.ORDER_BITWISE_OR = 15;        // |
-Blockly.PHP.ORDER_LOGICAL_AND = 16;       // &&
-Blockly.PHP.ORDER_LOGICAL_OR = 17;        // ||
-Blockly.PHP.ORDER_IF_NULL = 18;           // ??
-Blockly.PHP.ORDER_CONDITIONAL = 19;       // ?:
-Blockly.PHP.ORDER_ASSIGNMENT = 20;        // = += -= *= /= %= <<= >>= ...
-Blockly.PHP.ORDER_LOGICAL_AND_WEAK = 21;  // and
-Blockly.PHP.ORDER_LOGICAL_XOR = 22;       // xor
-Blockly.PHP.ORDER_LOGICAL_OR_WEAK = 23;   // or
-Blockly.PHP.ORDER_COMMA = 24;             // ,
-Blockly.PHP.ORDER_NONE = 99;              // (...)
-
-/**
- * List of outer-inner pairings that do NOT require parentheses.
- * @type {!Array.<!Array.<number>>}
- */
-Blockly.PHP.ORDER_OVERRIDES = [
-  // (foo()).bar() -> foo().bar()
-  // (foo())[0] -> foo()[0]
-  [Blockly.PHP.ORDER_MEMBER, Blockly.PHP.ORDER_FUNCTION_CALL],
-  // (foo[0])[1] -> foo[0][1]
-  // (foo.bar).baz -> foo.bar.baz
-  [Blockly.PHP.ORDER_MEMBER, Blockly.PHP.ORDER_MEMBER],
-  // !(!foo) -> !!foo
-  [Blockly.PHP.ORDER_LOGICAL_NOT, Blockly.PHP.ORDER_LOGICAL_NOT],
-  // a * (b * c) -> a * b * c
-  [Blockly.PHP.ORDER_MULTIPLICATION, Blockly.PHP.ORDER_MULTIPLICATION],
-  // a + (b + c) -> a + b + c
-  [Blockly.PHP.ORDER_ADDITION, Blockly.PHP.ORDER_ADDITION],
-  // a && (b && c) -> a && b && c
-  [Blockly.PHP.ORDER_LOGICAL_AND, Blockly.PHP.ORDER_LOGICAL_AND],
-  // a || (b || c) -> a || b || c
-  [Blockly.PHP.ORDER_LOGICAL_OR, Blockly.PHP.ORDER_LOGICAL_OR]
-];
-
-/**
- * Initialise the database of variable names.
- * @param {!Blockly.Workspace} workspace Workspace to generate code from.
- */
-Blockly.PHP.init = function(workspace) {
-  // Create a dictionary of definitions to be printed before the code.
-  Blockly.PHP.definitions_ = Object.create(null);
-  // Create a dictionary mapping desired function names in definitions_
-  // to actual function names (to avoid collisions with user functions).
-  Blockly.PHP.functionNames_ = Object.create(null);
-
-  if (!Blockly.PHP.variableDB_) {
-    Blockly.PHP.variableDB_ =
-        new Blockly.Names(Blockly.PHP.RESERVED_WORDS_, '$');
-  } else {
-    Blockly.PHP.variableDB_.reset();
-  }
-
-  Blockly.PHP.variableDB_.setVariableMap(workspace.getVariableMap());
-
-  var defvars = [];
-  // Add developer variables (not created or named by the user).
-  var devVarList = Blockly.Variables.allDeveloperVariables(workspace);
-  for (var i = 0; i < devVarList.length; i++) {
-    defvars.push(Blockly.PHP.variableDB_.getName(devVarList[i],
-        Blockly.Names.DEVELOPER_VARIABLE_TYPE) + ';');
-  }
-
-  // Add user variables, but only ones that are being used.
-  var variables = Blockly.Variables.allUsedVarModels(workspace);
-  for (var i = 0, variable; variable = variables[i]; i++) {
-    defvars.push(Blockly.PHP.variableDB_.getName(variable.getId(),
-        Blockly.VARIABLE_CATEGORY_NAME) + ';');
-  }
-
-  // Declare all of the variables.
-  Blockly.PHP.definitions_['variables'] = defvars.join('\n');
-};
-
-/**
- * Prepend the generated code with the variable definitions.
- * @param {string} code Generated code.
- * @return {string} Completed code.
- */
-Blockly.PHP.finish = function(code) {
-  // Convert the definitions dictionary into a list.
-  var definitions = [];
-  for (var name in Blockly.PHP.definitions_) {
-    definitions.push(Blockly.PHP.definitions_[name]);
-  }
-  // Clean up temporary data.
-  delete Blockly.PHP.definitions_;
-  delete Blockly.PHP.functionNames_;
-  Blockly.PHP.variableDB_.reset();
-  return definitions.join('\n\n') + '\n\n\n' + code;
-};
-
-/**
- * Naked values are top-level blocks with outputs that aren't plugged into
- * anything.  A trailing semicolon is needed to make this legal.
- * @param {string} line Line of generated code.
- * @return {string} Legal line of code.
- */
-Blockly.PHP.scrubNakedValue = function(line) {
-  return line + ';\n';
-};
-
-/**
- * Encode a string as a properly escaped PHP string, complete with
- * quotes.
- * @param {string} string Text to encode.
- * @return {string} PHP string.
- * @private
- */
-Blockly.PHP.quote_ = function(string) {
-  string = string.replace(/\\/g, '\\\\')
-                 .replace(/\n/g, '\\\n')
-                 .replace(/'/g, '\\\'');
-  return '\'' + string + '\'';
-};
-
-/**
- * Encode a string as a properly escaped multiline PHP string, complete with
- * quotes.
- * @param {string} string Text to encode.
- * @return {string} PHP string.
- * @private
- */
-Blockly.PHP.multiline_quote_ = function (string) {
-  var lines = string.split(/\n/g).map(Blockly.PHP.quote_);
-  // Join with the following, plus a newline:
-  // . "\n" .
-  // Newline escaping only works in double-quoted strings.
-  return lines.join(' . \"\\n\" .\n');
-};
-
-/**
- * Common tasks for generating PHP from blocks.
- * Handles comments for the specified block and any connected value blocks.
- * Calls any statements following this block.
- * @param {!Blockly.Block} block The current block.
- * @param {string} code The PHP code created for this block.
- * @param {boolean=} opt_thisOnly True to generate code for only this statement.
- * @return {string} PHP code with comments and subsequent blocks added.
- * @private
- */
-Blockly.PHP.scrub_ = function(block, code, opt_thisOnly) {
-  var commentCode = '';
-  // Only collect comments for blocks that aren't inline.
-  if (!block.outputConnection || !block.outputConnection.targetConnection) {
-    // Collect comment for this block.
-    var comment = block.getCommentText();
-    if (comment) {
-      comment = Blockly.utils.string.wrap(comment,
-          Blockly.PHP.COMMENT_WRAP - 3);
-      commentCode += Blockly.PHP.prefixLines(comment, '// ') + '\n';
-    }
-    // Collect comments for all value arguments.
-    // Don't collect comments for nested statements.
-    for (var i = 0; i < block.inputList.length; i++) {
-      if (block.inputList[i].type == Blockly.INPUT_VALUE) {
-        var childBlock = block.inputList[i].connection.targetBlock();
-        if (childBlock) {
-          comment = Blockly.PHP.allNestedComments(childBlock);
-          if (comment) {
-            commentCode += Blockly.PHP.prefixLines(comment, '// ');
-          }
-        }
-      }
-    }
-  }
-  var nextBlock = block.nextConnection && block.nextConnection.targetBlock();
-  var nextCode = opt_thisOnly ? '' : Blockly.PHP.blockToCode(nextBlock);
-  return commentCode + code + nextCode;
-};
-
-/**
- * Gets a property and adjusts the value while taking into account indexing.
- * @param {!Blockly.Block} block The block.
- * @param {string} atId The property ID of the element to get.
- * @param {number=} opt_delta Value to add.
- * @param {boolean=} opt_negate Whether to negate the value.
- * @param {number=} opt_order The highest order acting on this value.
- * @return {string|number}
- */
-Blockly.PHP.getAdjusted = function(block, atId, opt_delta, opt_negate,
-    opt_order) {
-  var delta = opt_delta || 0;
-  var order = opt_order || Blockly.PHP.ORDER_NONE;
-  if (block.workspace.options.oneBasedIndex) {
-    delta--;
-  }
-  var defaultAtIndex = block.workspace.options.oneBasedIndex ? '1' : '0';
-  if (delta > 0) {
-    var at = Blockly.PHP.valueToCode(block, atId,
-            Blockly.PHP.ORDER_ADDITION) || defaultAtIndex;
-  } else if (delta < 0) {
-    var at = Blockly.PHP.valueToCode(block, atId,
-            Blockly.PHP.ORDER_SUBTRACTION) || defaultAtIndex;
-  } else if (opt_negate) {
-    var at = Blockly.PHP.valueToCode(block, atId,
-            Blockly.PHP.ORDER_UNARY_NEGATION) || defaultAtIndex;
-  } else {
-    var at = Blockly.PHP.valueToCode(block, atId, order) ||
-        defaultAtIndex;
-  }
-
-  if (Blockly.isNumber(at)) {
-    // If the index is a naked number, adjust it right now.
-    at = Number(at) + delta;
-    if (opt_negate) {
-      at = -at;
-    }
-  } else {
-    // If the index is dynamic, adjust it in code.
-    if (delta > 0) {
-      at = at + ' + ' + delta;
-      var innerOrder = Blockly.PHP.ORDER_ADDITION;
-    } else if (delta < 0) {
-      at = at + ' - ' + -delta;
-      var innerOrder = Blockly.PHP.ORDER_SUBTRACTION;
-    }
-    if (opt_negate) {
-      if (delta) {
-        at = '-(' + at + ')';
-      } else {
-        at = '-' + at;
-      }
-      var innerOrder = Blockly.PHP.ORDER_UNARY_NEGATION;
-    }
-    innerOrder = Math.floor(innerOrder);
-    order = Math.floor(order);
-    if (innerOrder && order >= innerOrder) {
-      at = '(' + at + ')';
-    }
-  }
-  return at;
-};
diff --git a/generators/php.ts b/generators/php.ts
new file mode 100644
index 00000000000..30a08086670
--- /dev/null
+++ b/generators/php.ts
@@ -0,0 +1,46 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Instantiate a PhpGenerator and populate it with the complete
+ * set of block generator functions for PHP.  This is the entrypoint
+ * for php_compressed.js.
+ */
+
+// Former goog.module ID: Blockly.PHP.all
+
+import {PhpGenerator} from './php/php_generator.js';
+import * as lists from './php/lists.js';
+import * as logic from './php/logic.js';
+import * as loops from './php/loops.js';
+import * as math from './php/math.js';
+import * as procedures from './php/procedures.js';
+import * as text from './php/text.js';
+import * as variables from './php/variables.js';
+import * as variablesDynamic from './php/variables_dynamic.js';
+
+export * from './php/php_generator.js';
+
+/**
+ * Php code generator instance.
+ * @type {!PhpGenerator}
+ */
+export const phpGenerator = new PhpGenerator();
+
+// Install per-block-type generator functions:
+const generators: typeof phpGenerator.forBlock = {
+  ...lists,
+  ...logic,
+  ...loops,
+  ...math,
+  ...procedures,
+  ...text,
+  ...variables,
+  ...variablesDynamic,
+};
+for (const name in generators) {
+  phpGenerator.forBlock[name] = generators[name];
+}
diff --git a/generators/php/colour.js b/generators/php/colour.js
deleted file mode 100644
index 295cd31d0ee..00000000000
--- a/generators/php/colour.js
+++ /dev/null
@@ -1,91 +0,0 @@
-/**
- * @license
- * Copyright 2015 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating PHP for colour blocks.
- * @author daarond@gmail.com (Daaron Dwyer)
- */
-'use strict';
-
-goog.provide('Blockly.PHP.colour');
-
-goog.require('Blockly.PHP');
-
-
-Blockly.PHP['colour_picker'] = function(block) {
-  // Colour picker.
-  var code = Blockly.PHP.quote_(block.getFieldValue('COLOUR'));
-  return [code, Blockly.PHP.ORDER_ATOMIC];
-};
-
-Blockly.PHP['colour_random'] = function(block) {
-  // Generate a random colour.
-  var functionName = Blockly.PHP.provideFunction_(
-      'colour_random',
-      ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ + '() {',
-       '  return \'#\' . str_pad(dechex(mt_rand(0, 0xFFFFFF)), ' +
-          '6, \'0\', STR_PAD_LEFT);',
-       '}']);
-  var code = functionName + '()';
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['colour_rgb'] = function(block) {
-  // Compose a colour from RGB components expressed as percentages.
-  var red = Blockly.PHP.valueToCode(block, 'RED',
-      Blockly.PHP.ORDER_COMMA) || 0;
-  var green = Blockly.PHP.valueToCode(block, 'GREEN',
-      Blockly.PHP.ORDER_COMMA) || 0;
-  var blue = Blockly.PHP.valueToCode(block, 'BLUE',
-      Blockly.PHP.ORDER_COMMA) || 0;
-  var functionName = Blockly.PHP.provideFunction_(
-      'colour_rgb',
-      ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-          '($r, $g, $b) {',
-       '  $r = round(max(min($r, 100), 0) * 2.55);',
-       '  $g = round(max(min($g, 100), 0) * 2.55);',
-       '  $b = round(max(min($b, 100), 0) * 2.55);',
-       '  $hex = \'#\';',
-       '  $hex .= str_pad(dechex($r), 2, \'0\', STR_PAD_LEFT);',
-       '  $hex .= str_pad(dechex($g), 2, \'0\', STR_PAD_LEFT);',
-       '  $hex .= str_pad(dechex($b), 2, \'0\', STR_PAD_LEFT);',
-       '  return $hex;',
-       '}']);
-  var code = functionName + '(' + red + ', ' + green + ', ' + blue + ')';
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['colour_blend'] = function(block) {
-  // Blend two colours together.
-  var c1 = Blockly.PHP.valueToCode(block, 'COLOUR1',
-      Blockly.PHP.ORDER_COMMA) || '\'#000000\'';
-  var c2 = Blockly.PHP.valueToCode(block, 'COLOUR2',
-      Blockly.PHP.ORDER_COMMA) || '\'#000000\'';
-  var ratio = Blockly.PHP.valueToCode(block, 'RATIO',
-      Blockly.PHP.ORDER_COMMA) || 0.5;
-  var functionName = Blockly.PHP.provideFunction_(
-      'colour_blend',
-      ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-          '($c1, $c2, $ratio) {',
-       '  $ratio = max(min($ratio, 1), 0);',
-       '  $r1 = hexdec(substr($c1, 1, 2));',
-       '  $g1 = hexdec(substr($c1, 3, 2));',
-       '  $b1 = hexdec(substr($c1, 5, 2));',
-       '  $r2 = hexdec(substr($c2, 1, 2));',
-       '  $g2 = hexdec(substr($c2, 3, 2));',
-       '  $b2 = hexdec(substr($c2, 5, 2));',
-       '  $r = round($r1 * (1 - $ratio) + $r2 * $ratio);',
-       '  $g = round($g1 * (1 - $ratio) + $g2 * $ratio);',
-       '  $b = round($b1 * (1 - $ratio) + $b2 * $ratio);',
-       '  $hex = \'#\';',
-       '  $hex .= str_pad(dechex($r), 2, \'0\', STR_PAD_LEFT);',
-       '  $hex .= str_pad(dechex($g), 2, \'0\', STR_PAD_LEFT);',
-       '  $hex .= str_pad(dechex($b), 2, \'0\', STR_PAD_LEFT);',
-       '  return $hex;',
-       '}']);
-  var code = functionName + '(' + c1 + ', ' + c2 + ', ' + ratio + ')';
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
diff --git a/generators/php/lists.js b/generators/php/lists.js
deleted file mode 100644
index 71d3f201b07..00000000000
--- a/generators/php/lists.js
+++ /dev/null
@@ -1,498 +0,0 @@
-/**
- * @license
- * Copyright 2015 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating PHP for list blocks.
- * @author daarond@gmail.com (Daaron Dwyer)
- */
-
-/**
- * Lists in PHP are known to break when non-variables are passed into blocks
- * that require a list. PHP, unlike other languages, passes arrays as reference
- * value instead of value so we are unable to support it to the extent we can
- * for the other languages.
- * For example, a ternary operator with two arrays will return the array by
- * value and that cannot be passed into any of the built-in array functions for
- * PHP (because only variables can be passed by reference).
- * ex:  end(true ? list1 : list2)
- */
-'use strict';
-
-goog.provide('Blockly.PHP.lists');
-
-goog.require('Blockly.PHP');
-
-
-Blockly.PHP['lists_create_empty'] = function(block) {
-  // Create an empty list.
-  return ['array()', Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['lists_create_with'] = function(block) {
-  // Create a list with any number of elements of any type.
-  var code = new Array(block.itemCount_);
-  for (var i = 0; i < block.itemCount_; i++) {
-    code[i] = Blockly.PHP.valueToCode(block, 'ADD' + i,
-        Blockly.PHP.ORDER_COMMA) || 'null';
-  }
-  code = 'array(' + code.join(', ') + ')';
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['lists_repeat'] = function(block) {
-  // Create a list with one element repeated.
-  var functionName = Blockly.PHP.provideFunction_(
-      'lists_repeat',
-      ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-          '($value, $count) {',
-       '  $array = array();',
-       '  for ($index = 0; $index < $count; $index++) {',
-       '    $array[] = $value;',
-       '  }',
-       '  return $array;',
-       '}']);
-  var element = Blockly.PHP.valueToCode(block, 'ITEM',
-      Blockly.PHP.ORDER_COMMA) || 'null';
-  var repeatCount = Blockly.PHP.valueToCode(block, 'NUM',
-      Blockly.PHP.ORDER_COMMA) || '0';
-  var code = functionName + '(' + element + ', ' + repeatCount + ')';
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['lists_length'] = function(block) {
-  // String or array length.
-  var functionName = Blockly.PHP.provideFunction_(
-      'length',
-      ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ + '($value) {',
-       '  if (is_string($value)) {',
-       '    return strlen($value);',
-       '  } else {',
-       '    return count($value);',
-       '  }',
-       '}']);
-  var list = Blockly.PHP.valueToCode(block, 'VALUE',
-      Blockly.PHP.ORDER_NONE) || '\'\'';
-  return [functionName + '(' + list + ')', Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['lists_isEmpty'] = function(block) {
-  // Is the string null or array empty?
-  var argument0 = Blockly.PHP.valueToCode(block, 'VALUE',
-      Blockly.PHP.ORDER_FUNCTION_CALL) || 'array()';
-  return ['empty(' + argument0 + ')', Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['lists_indexOf'] = function(block) {
-  // Find an item in the list.
-  var argument0 = Blockly.PHP.valueToCode(block, 'FIND',
-      Blockly.PHP.ORDER_NONE) || '\'\'';
-  var argument1 = Blockly.PHP.valueToCode(block, 'VALUE',
-      Blockly.PHP.ORDER_MEMBER) || '[]';
-  if (block.workspace.options.oneBasedIndex) {
-    var errorIndex = ' 0';
-    var indexAdjustment = ' + 1';
-  } else {
-    var errorIndex = ' -1';
-    var indexAdjustment = '';
-  }
-  if (block.getFieldValue('END') == 'FIRST') {
-    // indexOf
-    var functionName = Blockly.PHP.provideFunction_(
-        'indexOf',
-        ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-            '($haystack, $needle) {',
-         '  for ($index = 0; $index < count($haystack); $index++) {',
-         '    if ($haystack[$index] == $needle) return $index' +
-            indexAdjustment + ';',
-         '  }',
-         '  return ' + errorIndex + ';',
-         '}']);
-  } else {
-    // lastIndexOf
-    var functionName = Blockly.PHP.provideFunction_(
-        'lastIndexOf',
-        ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-            '($haystack, $needle) {',
-         '  $last = ' + errorIndex + ';',
-         '  for ($index = 0; $index < count($haystack); $index++) {',
-         '    if ($haystack[$index] == $needle) $last = $index' +
-            indexAdjustment + ';',
-         '  }',
-         '  return $last;',
-         '}']);
-  }
-
-  var code = functionName + '(' + argument1 + ', ' + argument0 + ')';
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['lists_getIndex'] = function(block) {
-  // Get element at index.
-  var mode = block.getFieldValue('MODE') || 'GET';
-  var where = block.getFieldValue('WHERE') || 'FROM_START';
-  switch (where) {
-    case 'FIRST':
-      if (mode == 'GET') {
-        var list = Blockly.PHP.valueToCode(block, 'VALUE',
-                Blockly.PHP.ORDER_MEMBER) || 'array()';
-        var code = list + '[0]';
-        return [code, Blockly.PHP.ORDER_MEMBER];
-      } else if (mode == 'GET_REMOVE') {
-        var list = Blockly.PHP.valueToCode(block, 'VALUE',
-                Blockly.PHP.ORDER_NONE) || 'array()';
-        var code = 'array_shift(' + list + ')';
-        return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-      } else if (mode == 'REMOVE') {
-        var list = Blockly.PHP.valueToCode(block, 'VALUE',
-                Blockly.PHP.ORDER_NONE) || 'array()';
-        return 'array_shift(' + list + ');\n';
-      }
-      break;
-    case 'LAST':
-      if (mode == 'GET') {
-        var list = Blockly.PHP.valueToCode(block, 'VALUE',
-                Blockly.PHP.ORDER_NONE) || 'array()';
-        var code = 'end(' + list + ')';
-        return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-      } else if (mode == 'GET_REMOVE') {
-        var list = Blockly.PHP.valueToCode(block, 'VALUE',
-                Blockly.PHP.ORDER_NONE) || 'array()';
-        var code = 'array_pop(' + list + ')';
-        return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-      } else if (mode == 'REMOVE') {
-        var list = Blockly.PHP.valueToCode(block, 'VALUE',
-                Blockly.PHP.ORDER_NONE) || 'array()';
-        return 'array_pop(' + list + ');\n';
-      }
-      break;
-    case 'FROM_START':
-      var at = Blockly.PHP.getAdjusted(block, 'AT');
-      if (mode == 'GET') {
-        var list = Blockly.PHP.valueToCode(block, 'VALUE',
-                Blockly.PHP.ORDER_MEMBER) || 'array()';
-        var code = list + '[' + at + ']';
-        return [code, Blockly.PHP.ORDER_MEMBER];
-      } else if (mode == 'GET_REMOVE') {
-        var list = Blockly.PHP.valueToCode(block, 'VALUE',
-                Blockly.PHP.ORDER_COMMA) || 'array()';
-        var code = 'array_splice(' + list + ', ' + at + ', 1)[0]';
-        return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-      } else if (mode == 'REMOVE') {
-        var list = Blockly.PHP.valueToCode(block, 'VALUE',
-                Blockly.PHP.ORDER_COMMA) || 'array()';
-        return 'array_splice(' + list + ', ' + at + ', 1);\n';
-      }
-      break;
-    case 'FROM_END':
-      if (mode == 'GET') {
-        var list = Blockly.PHP.valueToCode(block, 'VALUE',
-                Blockly.PHP.ORDER_COMMA) || 'array()';
-        var at = Blockly.PHP.getAdjusted(block, 'AT', 1, true);
-        var code = 'array_slice(' + list + ', ' + at + ', 1)[0]';
-        return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-      } else if (mode == 'GET_REMOVE' || mode == 'REMOVE') {
-        var list = Blockly.PHP.valueToCode(block, 'VALUE',
-                Blockly.PHP.ORDER_NONE) || 'array()';
-        var at = Blockly.PHP.getAdjusted(block, 'AT', 1, false,
-            Blockly.PHP.ORDER_SUBTRACTION);
-        code = 'array_splice(' + list +
-            ', count(' + list + ') - ' + at + ', 1)[0]';
-        if (mode == 'GET_REMOVE') {
-          return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-        } else if (mode == 'REMOVE') {
-          return code + ';\n';
-        }
-      }
-      break;
-    case 'RANDOM':
-      var list = Blockly.PHP.valueToCode(block, 'VALUE',
-              Blockly.PHP.ORDER_NONE) || 'array()';
-      if (mode == 'GET') {
-        var functionName = Blockly.PHP.provideFunction_(
-            'lists_get_random_item',
-            ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-                '($list) {',
-             '  return $list[rand(0,count($list)-1)];',
-             '}']);
-        code = functionName + '(' + list + ')';
-        return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-      } else if (mode == 'GET_REMOVE') {
-        var functionName = Blockly.PHP.provideFunction_(
-            'lists_get_remove_random_item',
-            ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-                '(&$list) {',
-             '  $x = rand(0,count($list)-1);',
-             '  unset($list[$x]);',
-             '  return array_values($list);',
-             '}']);
-        code = functionName + '(' + list + ')';
-        return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-      } else if (mode == 'REMOVE') {
-        var functionName = Blockly.PHP.provideFunction_(
-            'lists_remove_random_item',
-            ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-                '(&$list) {',
-             '  unset($list[rand(0,count($list)-1)]);',
-             '}']);
-        return functionName + '(' + list + ');\n';
-      }
-      break;
-  }
-  throw Error('Unhandled combination (lists_getIndex).');
-};
-
-Blockly.PHP['lists_setIndex'] = function(block) {
-  // Set element at index.
-  // Note: Until February 2013 this block did not have MODE or WHERE inputs.
-  var mode = block.getFieldValue('MODE') || 'GET';
-  var where = block.getFieldValue('WHERE') || 'FROM_START';
-  var value = Blockly.PHP.valueToCode(block, 'TO',
-      Blockly.PHP.ORDER_ASSIGNMENT) || 'null';
-  // Cache non-trivial values to variables to prevent repeated look-ups.
-  // Closure, which accesses and modifies 'list'.
-  function cacheList() {
-    if (list.match(/^\$\w+$/)) {
-      return '';
-    }
-    var listVar = Blockly.PHP.variableDB_.getDistinctName(
-        'tmp_list', Blockly.VARIABLE_CATEGORY_NAME);
-    var code = listVar + ' = &' + list + ';\n';
-    list = listVar;
-    return code;
-  }
-  switch (where) {
-    case 'FIRST':
-      if (mode == 'SET') {
-        var list = Blockly.PHP.valueToCode(block, 'LIST',
-                Blockly.PHP.ORDER_MEMBER) || 'array()';
-        return list + '[0] = ' + value + ';\n';
-      } else if (mode == 'INSERT') {
-        var list = Blockly.PHP.valueToCode(block, 'LIST',
-                Blockly.PHP.ORDER_COMMA) || 'array()';
-        return 'array_unshift(' + list + ', ' + value + ');\n';
-      }
-      break;
-    case 'LAST':
-      var list = Blockly.PHP.valueToCode(block, 'LIST',
-              Blockly.PHP.ORDER_COMMA) || 'array()';
-      if (mode == 'SET') {
-        var functionName = Blockly.PHP.provideFunction_(
-            'lists_set_last_item',
-            ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-                '(&$list, $value) {',
-             '  $list[count($list) - 1] = $value;',
-             '}']);
-        return functionName + '(' + list + ', ' + value + ');\n';
-      } else if (mode == 'INSERT') {
-        return 'array_push(' + list + ', ' + value + ');\n';
-      }
-      break;
-    case 'FROM_START':
-      var at = Blockly.PHP.getAdjusted(block, 'AT');
-      if (mode == 'SET') {
-        var list = Blockly.PHP.valueToCode(block, 'LIST',
-                Blockly.PHP.ORDER_MEMBER) || 'array()';
-        return list + '[' + at + '] = ' + value + ';\n';
-      } else if (mode == 'INSERT') {
-        var list = Blockly.PHP.valueToCode(block, 'LIST',
-                Blockly.PHP.ORDER_COMMA) || 'array()';
-        return 'array_splice(' + list + ', ' + at + ', 0, ' + value + ');\n';
-      }
-      break;
-    case 'FROM_END':
-      var list = Blockly.PHP.valueToCode(block, 'LIST',
-              Blockly.PHP.ORDER_COMMA) || 'array()';
-      var at = Blockly.PHP.getAdjusted(block, 'AT', 1);
-      if (mode == 'SET') {
-        var functionName = Blockly.PHP.provideFunction_(
-            'lists_set_from_end',
-            ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-                '(&$list, $at, $value) {',
-             '  $list[count($list) - $at] = $value;',
-             '}']);
-        return functionName + '(' + list + ', ' + at + ', ' + value + ');\n';
-      } else if (mode == 'INSERT') {
-        var functionName = Blockly.PHP.provideFunction_(
-            'lists_insert_from_end',
-            ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-                '(&$list, $at, $value) {',
-             '  return array_splice($list, count($list) - $at, 0, $value);',
-             '}']);
-        return functionName + '(' + list + ', ' + at + ', ' + value + ');\n';
-      }
-      break;
-    case 'RANDOM':
-      var list = Blockly.PHP.valueToCode(block, 'LIST',
-              Blockly.PHP.ORDER_REFERENCE) || 'array()';
-      var code = cacheList();
-      var xVar = Blockly.PHP.variableDB_.getDistinctName(
-          'tmp_x', Blockly.VARIABLE_CATEGORY_NAME);
-      code += xVar + ' = rand(0, count(' + list + ')-1);\n';
-      if (mode == 'SET') {
-        code += list + '[' + xVar + '] = ' + value + ';\n';
-        return code;
-      } else if (mode == 'INSERT') {
-        code += 'array_splice(' + list + ', ' + xVar + ', 0, ' + value +
-            ');\n';
-        return code;
-      }
-      break;
-  }
-  throw Error('Unhandled combination (lists_setIndex).');
-};
-
-Blockly.PHP['lists_getSublist'] = function(block) {
-  // Get sublist.
-  var list = Blockly.PHP.valueToCode(block, 'LIST',
-      Blockly.PHP.ORDER_COMMA) || 'array()';
-  var where1 = block.getFieldValue('WHERE1');
-  var where2 = block.getFieldValue('WHERE2');
-  if (where1 == 'FIRST' && where2 == 'LAST') {
-    var code = list;
-  } else if (list.match(/^\$\w+$/) ||
-      (where1 != 'FROM_END' && where2 == 'FROM_START')) {
-    // If the list is a simple value or doesn't require a call for length, don't
-    // generate a helper function.
-    switch (where1) {
-      case 'FROM_START':
-        var at1 = Blockly.PHP.getAdjusted(block, 'AT1');
-        break;
-      case 'FROM_END':
-        var at1 = Blockly.PHP.getAdjusted(block, 'AT1', 1, false,
-            Blockly.PHP.ORDER_SUBTRACTION);
-        at1 = 'count(' + list + ') - ' + at1;
-        break;
-      case 'FIRST':
-        var at1 = '0';
-        break;
-      default:
-        throw Error('Unhandled option (lists_getSublist).');
-    }
-    switch (where2) {
-      case 'FROM_START':
-        var at2 = Blockly.PHP.getAdjusted(block, 'AT2', 0, false,
-            Blockly.PHP.ORDER_SUBTRACTION);
-        var length = at2 + ' - ';
-        if (Blockly.isNumber(String(at1)) || String(at1).match(/^\(.+\)$/)) {
-          length += at1;
-        } else {
-          length += '(' + at1 + ')';
-        }
-        length += ' + 1';
-        break;
-      case 'FROM_END':
-        var at2 = Blockly.PHP.getAdjusted(block, 'AT2', 0, false,
-            Blockly.PHP.ORDER_SUBTRACTION);
-        var length = 'count(' + list + ') - ' + at2 + ' - ';
-        if (Blockly.isNumber(String(at1)) || String(at1).match(/^\(.+\)$/)) {
-          length += at1;
-        } else {
-          length += '(' + at1 + ')';
-        }
-        break;
-      case 'LAST':
-        var length = 'count(' + list + ') - ';
-        if (Blockly.isNumber(String(at1)) || String(at1).match(/^\(.+\)$/)) {
-          length += at1;
-        } else {
-          length += '(' + at1 + ')';
-        }
-        break;
-      default:
-        throw Error('Unhandled option (lists_getSublist).');
-    }
-    code = 'array_slice(' + list + ', ' + at1 + ', ' + length + ')';
-  } else {
-    var at1 = Blockly.PHP.getAdjusted(block, 'AT1');
-    var at2 = Blockly.PHP.getAdjusted(block, 'AT2');
-    var functionName = Blockly.PHP.provideFunction_(
-        'lists_get_sublist',
-        ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-            '($list, $where1, $at1, $where2, $at2) {',
-         '  if ($where1 == \'FROM_END\') {',
-         '    $at1 = count($list) - 1 - $at1;',
-         '  } else if ($where1 == \'FIRST\') {',
-         '    $at1 = 0;',
-         '  } else if ($where1 != \'FROM_START\') {',
-         '    throw new Exception(\'Unhandled option (lists_get_sublist).\');',
-         '  }',
-         '  $length = 0;',
-         '  if ($where2 == \'FROM_START\') {',
-         '    $length = $at2 - $at1 + 1;',
-         '  } else if ($where2 == \'FROM_END\') {',
-         '    $length = count($list) - $at1 - $at2;',
-         '  } else if ($where2 == \'LAST\') {',
-         '    $length = count($list) - $at1;',
-         '  } else {',
-         '    throw new Exception(\'Unhandled option (lists_get_sublist).\');',
-         '  }',
-         '  return array_slice($list, $at1, $length);',
-         '}']);
-    var code = functionName + '(' + list + ', \'' +
-        where1 + '\', ' + at1 + ', \'' + where2 + '\', ' + at2 + ')';
-  }
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['lists_sort'] = function(block) {
-  // Block for sorting a list.
-  var listCode = Blockly.PHP.valueToCode(block, 'LIST',
-      Blockly.PHP.ORDER_COMMA) || 'array()';
-  var direction = block.getFieldValue('DIRECTION') === '1' ? 1 : -1;
-  var type = block.getFieldValue('TYPE');
-  var functionName = Blockly.PHP.provideFunction_(
-      'lists_sort',
-      ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-          '($list, $type, $direction) {',
-       '  $sortCmpFuncs = array(',
-       '    "NUMERIC" => "strnatcasecmp",',
-       '    "TEXT" => "strcmp",',
-       '    "IGNORE_CASE" => "strcasecmp"',
-       '  );',
-       '  $sortCmp = $sortCmpFuncs[$type];',
-       '  $list2 = $list;', // Clone list.
-       '  usort($list2, $sortCmp);',
-       '  if ($direction == -1) {',
-       '    $list2 = array_reverse($list2);',
-       '  }',
-       '  return $list2;',
-       '}']);
-  var sortCode = functionName +
-      '(' + listCode + ', "' + type + '", ' + direction + ')';
-  return [sortCode, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['lists_split'] = function(block) {
-  // Block for splitting text into a list, or joining a list into text.
-  var value_input = Blockly.PHP.valueToCode(block, 'INPUT',
-      Blockly.PHP.ORDER_COMMA);
-  var value_delim = Blockly.PHP.valueToCode(block, 'DELIM',
-      Blockly.PHP.ORDER_COMMA) || '\'\'';
-  var mode = block.getFieldValue('MODE');
-  if (mode == 'SPLIT') {
-    if (!value_input) {
-      value_input = '\'\'';
-    }
-    var functionName = 'explode';
-  } else if (mode == 'JOIN') {
-    if (!value_input) {
-      value_input = 'array()';
-    }
-    var functionName = 'implode';
-  } else {
-    throw Error('Unknown mode: ' + mode);
-  }
-  var code = functionName + '(' + value_delim + ', ' + value_input + ')';
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['lists_reverse'] = function(block) {
-  // Block for reversing a list.
-  var list = Blockly.PHP.valueToCode(block, 'LIST',
-      Blockly.PHP.ORDER_COMMA) || '[]';
-  var code = 'array_reverse(' + list + ')';
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
diff --git a/generators/php/lists.ts b/generators/php/lists.ts
new file mode 100644
index 00000000000..7ca2639b7f2
--- /dev/null
+++ b/generators/php/lists.ts
@@ -0,0 +1,585 @@
+/**
+ * @license
+ * Copyright 2015 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating PHP for list blocks.
+ */
+
+/**
+ * Lists in PHP are known to break when non-variables are passed into blocks
+ * that require a list. PHP, unlike other languages, passes arrays as reference
+ * value instead of value so we are unable to support it to the extent we can
+ * for the other languages.
+ * For example, a ternary operator with two arrays will return the array by
+ * value and that cannot be passed into any of the built-in array functions for
+ * PHP (because only variables can be passed by reference).
+ * ex:  end(true ? list1 : list2)
+ */
+
+// Former goog.module ID: Blockly.generator.lists
+
+import * as stringUtils from '../../core/utils/string.js';
+import type {Block} from '../../core/block.js';
+import type {CreateWithBlock} from '../../blocks/lists.js';
+import {NameType} from '../../core/names.js';
+import {Order} from './php_generator.js';
+import type {PhpGenerator} from './php_generator.js';
+
+export function lists_create_empty(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Create an empty list.
+  return ['array()', Order.FUNCTION_CALL];
+}
+
+export function lists_create_with(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Create a list with any number of elements of any type.
+  const createWithBlock = block as CreateWithBlock;
+  const elements = new Array(createWithBlock.itemCount_);
+  for (let i = 0; i < createWithBlock.itemCount_; i++) {
+    elements[i] = generator.valueToCode(block, 'ADD' + i, Order.NONE) || 'null';
+  }
+  const code = 'array(' + elements.join(', ') + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function lists_repeat(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Create a list with one element repeated.
+  const functionName = generator.provideFunction_(
+    'lists_repeat',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($value, $count) {
+  $array = array();
+  for ($index = 0; $index < $count; $index++) {
+    $array[] = $value;
+  }
+  return $array;
+}
+`,
+  );
+  const element = generator.valueToCode(block, 'ITEM', Order.NONE) || 'null';
+  const repeatCount = generator.valueToCode(block, 'NUM', Order.NONE) || '0';
+  const code = functionName + '(' + element + ', ' + repeatCount + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function lists_length(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // String or array length.
+  const functionName = generator.provideFunction_(
+    'length',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($value) {
+  if (is_string($value)) {
+    return strlen($value);
+  } else {
+    return count($value);
+  }
+}
+`,
+  );
+  const list = generator.valueToCode(block, 'VALUE', Order.NONE) || "''";
+  return [functionName + '(' + list + ')', Order.FUNCTION_CALL];
+}
+
+export function lists_isEmpty(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Is the string null or array empty?
+  const argument0 =
+    generator.valueToCode(block, 'VALUE', Order.FUNCTION_CALL) || 'array()';
+  return ['empty(' + argument0 + ')', Order.FUNCTION_CALL];
+}
+
+export function lists_indexOf(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Find an item in the list.
+  const argument0 = generator.valueToCode(block, 'FIND', Order.NONE) || "''";
+  const argument1 = generator.valueToCode(block, 'VALUE', Order.MEMBER) || '[]';
+  let errorIndex = ' -1';
+  let indexAdjustment = '';
+  if (block.workspace.options.oneBasedIndex) {
+    errorIndex = ' 0';
+    indexAdjustment = ' + 1';
+  }
+  let functionName;
+  if (block.getFieldValue('END') === 'FIRST') {
+    // indexOf
+    functionName = generator.provideFunction_(
+      'indexOf',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($haystack, $needle) {
+  for ($index = 0; $index < count($haystack); $index++) {
+    if ($haystack[$index] == $needle) return $index${indexAdjustment};
+  }
+  return ${errorIndex};
+}
+`,
+    );
+  } else {
+    // lastIndexOf
+    functionName = generator.provideFunction_(
+      'lastIndexOf',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($haystack, $needle) {
+  $last = ${errorIndex};
+  for ($index = 0; $index < count($haystack); $index++) {
+    if ($haystack[$index] == $needle) $last = $index${indexAdjustment};
+  }
+  return $last;
+}
+`,
+    );
+  }
+
+  const code = functionName + '(' + argument1 + ', ' + argument0 + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function lists_getIndex(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] | string {
+  // Get element at index.
+  const mode = block.getFieldValue('MODE') || 'GET';
+  const where = block.getFieldValue('WHERE') || 'FROM_START';
+  switch (where) {
+    case 'FIRST':
+      if (mode === 'GET') {
+        const list =
+          generator.valueToCode(block, 'VALUE', Order.MEMBER) || 'array()';
+        const code = list + '[0]';
+        return [code, Order.MEMBER];
+      } else if (mode === 'GET_REMOVE') {
+        const list =
+          generator.valueToCode(block, 'VALUE', Order.NONE) || 'array()';
+        const code = 'array_shift(' + list + ')';
+        return [code, Order.FUNCTION_CALL];
+      } else if (mode === 'REMOVE') {
+        const list =
+          generator.valueToCode(block, 'VALUE', Order.NONE) || 'array()';
+        return 'array_shift(' + list + ');\n';
+      }
+      break;
+    case 'LAST':
+      if (mode === 'GET') {
+        const list =
+          generator.valueToCode(block, 'VALUE', Order.NONE) || 'array()';
+        const code = 'end(' + list + ')';
+        return [code, Order.FUNCTION_CALL];
+      } else if (mode === 'GET_REMOVE') {
+        const list =
+          generator.valueToCode(block, 'VALUE', Order.NONE) || 'array()';
+        const code = 'array_pop(' + list + ')';
+        return [code, Order.FUNCTION_CALL];
+      } else if (mode === 'REMOVE') {
+        const list =
+          generator.valueToCode(block, 'VALUE', Order.NONE) || 'array()';
+        return 'array_pop(' + list + ');\n';
+      }
+      break;
+    case 'FROM_START': {
+      const at = generator.getAdjusted(block, 'AT');
+      if (mode === 'GET') {
+        const list =
+          generator.valueToCode(block, 'VALUE', Order.MEMBER) || 'array()';
+        const code = list + '[' + at + ']';
+        return [code, Order.MEMBER];
+      } else if (mode === 'GET_REMOVE') {
+        const list =
+          generator.valueToCode(block, 'VALUE', Order.NONE) || 'array()';
+        const code = 'array_splice(' + list + ', ' + at + ', 1)[0]';
+        return [code, Order.FUNCTION_CALL];
+      } else if (mode === 'REMOVE') {
+        const list =
+          generator.valueToCode(block, 'VALUE', Order.NONE) || 'array()';
+        return 'array_splice(' + list + ', ' + at + ', 1);\n';
+      }
+      break;
+    }
+    case 'FROM_END':
+      if (mode === 'GET') {
+        const list =
+          generator.valueToCode(block, 'VALUE', Order.NONE) || 'array()';
+        const at = generator.getAdjusted(block, 'AT', 1, true);
+        const code = 'array_slice(' + list + ', ' + at + ', 1)[0]';
+        return [code, Order.FUNCTION_CALL];
+      } else if (mode === 'GET_REMOVE' || mode === 'REMOVE') {
+        const list =
+          generator.valueToCode(block, 'VALUE', Order.NONE) || 'array()';
+        const at = generator.getAdjusted(
+          block,
+          'AT',
+          1,
+          false,
+          Order.SUBTRACTION,
+        );
+        const code =
+          'array_splice(' + list + ', count(' + list + ') - ' + at + ', 1)[0]';
+        if (mode === 'GET_REMOVE') {
+          return [code, Order.FUNCTION_CALL];
+        } else if (mode === 'REMOVE') {
+          return code + ';\n';
+        }
+      }
+      break;
+    case 'RANDOM': {
+      const list =
+        generator.valueToCode(block, 'VALUE', Order.NONE) || 'array()';
+      if (mode === 'GET') {
+        const functionName = generator.provideFunction_(
+          'lists_get_random_item',
+          `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($list) {
+  return $list[rand(0,count($list)-1)];
+}
+`,
+        );
+        const code = functionName + '(' + list + ')';
+        return [code, Order.FUNCTION_CALL];
+      } else if (mode === 'GET_REMOVE') {
+        const functionName = generator.provideFunction_(
+          'lists_get_remove_random_item',
+          `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(&$list) {
+  $x = rand(0,count($list)-1);
+  unset($list[$x]);
+  return array_values($list);
+}
+`,
+        );
+        const code = functionName + '(' + list + ')';
+        return [code, Order.FUNCTION_CALL];
+      } else if (mode === 'REMOVE') {
+        const functionName = generator.provideFunction_(
+          'lists_remove_random_item',
+          `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(&$list) {
+  unset($list[rand(0,count($list)-1)]);
+}
+`,
+        );
+        return functionName + '(' + list + ');\n';
+      }
+      break;
+    }
+  }
+  throw Error('Unhandled combination (lists_getIndex).');
+}
+
+export function lists_setIndex(block: Block, generator: PhpGenerator) {
+  // Set element at index.
+  // Note: Until February 2013 this block did not have MODE or WHERE inputs.
+  const mode = block.getFieldValue('MODE') || 'GET';
+  const where = block.getFieldValue('WHERE') || 'FROM_START';
+  const value = generator.valueToCode(block, 'TO', Order.ASSIGNMENT) || 'null';
+  // Cache non-trivial values to variables to prevent repeated look-ups.
+  // Closure, which accesses and modifies 'list'.
+  let cachedList: string;
+  function cacheList() {
+    if (cachedList.match(/^\$\w+$/)) {
+      return '';
+    }
+    const listVar = generator.nameDB_!.getDistinctName(
+      'tmp_list',
+      NameType.VARIABLE,
+    );
+    const code = listVar + ' = &' + cachedList + ';\n';
+    cachedList = listVar;
+    return code;
+  }
+  switch (where) {
+    case 'FIRST':
+      if (mode === 'SET') {
+        const list =
+          generator.valueToCode(block, 'LIST', Order.MEMBER) || 'array()';
+        return list + '[0] = ' + value + ';\n';
+      } else if (mode === 'INSERT') {
+        const list =
+          generator.valueToCode(block, 'LIST', Order.NONE) || 'array()';
+        return 'array_unshift(' + list + ', ' + value + ');\n';
+      }
+      break;
+    case 'LAST': {
+      const list =
+        generator.valueToCode(block, 'LIST', Order.NONE) || 'array()';
+      if (mode === 'SET') {
+        const functionName = generator.provideFunction_(
+          'lists_set_last_item',
+          `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(&$list, $value) {
+  $list[count($list) - 1] = $value;
+}
+`,
+        );
+        return functionName + '(' + list + ', ' + value + ');\n';
+      } else if (mode === 'INSERT') {
+        return 'array_push(' + list + ', ' + value + ');\n';
+      }
+      break;
+    }
+    case 'FROM_START': {
+      const at = generator.getAdjusted(block, 'AT');
+      if (mode === 'SET') {
+        const list =
+          generator.valueToCode(block, 'LIST', Order.MEMBER) || 'array()';
+        return list + '[' + at + '] = ' + value + ';\n';
+      } else if (mode === 'INSERT') {
+        const list =
+          generator.valueToCode(block, 'LIST', Order.NONE) || 'array()';
+        return 'array_splice(' + list + ', ' + at + ', 0, ' + value + ');\n';
+      }
+      break;
+    }
+    case 'FROM_END': {
+      const list =
+        generator.valueToCode(block, 'LIST', Order.NONE) || 'array()';
+      const at = generator.getAdjusted(block, 'AT', 1);
+      if (mode === 'SET') {
+        const functionName = generator.provideFunction_(
+          'lists_set_from_end',
+          `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(&$list, $at, $value) {
+  $list[count($list) - $at] = $value;
+}
+`,
+        );
+        return functionName + '(' + list + ', ' + at + ', ' + value + ');\n';
+      } else if (mode === 'INSERT') {
+        const functionName = generator.provideFunction_(
+          'lists_insert_from_end',
+          `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}(&$list, $at, $value) {
+  return array_splice($list, count($list) - $at, 0, $value);
+}
+`,
+        );
+        return functionName + '(' + list + ', ' + at + ', ' + value + ');\n';
+      }
+      break;
+    }
+    case 'RANDOM':
+      cachedList =
+        generator.valueToCode(block, 'LIST', Order.REFERENCE) || 'array()';
+      let code = cacheList();
+      const list = cachedList;
+      const xVar = generator.nameDB_!.getDistinctName(
+        'tmp_x',
+        NameType.VARIABLE,
+      );
+      code += xVar + ' = rand(0, count(' + list + ')-1);\n';
+      if (mode === 'SET') {
+        code += list + '[' + xVar + '] = ' + value + ';\n';
+        return code;
+      } else if (mode === 'INSERT') {
+        code += 'array_splice(' + list + ', ' + xVar + ', 0, ' + value + ');\n';
+        return code;
+      }
+      break;
+  }
+  throw Error('Unhandled combination (lists_setIndex).');
+}
+
+export function lists_getSublist(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Get sublist.
+  const list = generator.valueToCode(block, 'LIST', Order.NONE) || 'array()';
+  const where1 = block.getFieldValue('WHERE1');
+  const where2 = block.getFieldValue('WHERE2');
+  let code;
+  if (where1 === 'FIRST' && where2 === 'LAST') {
+    code = list;
+  } else if (
+    list.match(/^\$\w+$/) ||
+    (where1 !== 'FROM_END' && where2 === 'FROM_START')
+  ) {
+    // If the list is a simple value or doesn't require a call for length, don't
+    // generate a helper function.
+    let at1;
+    switch (where1) {
+      case 'FROM_START':
+        at1 = generator.getAdjusted(block, 'AT1');
+        break;
+      case 'FROM_END':
+        at1 = generator.getAdjusted(block, 'AT1', 1, false, Order.SUBTRACTION);
+        at1 = 'count(' + list + ') - ' + at1;
+        break;
+      case 'FIRST':
+        at1 = '0';
+        break;
+      default:
+        throw Error('Unhandled option (lists_getSublist).');
+    }
+    let at2;
+    let length;
+    switch (where2) {
+      case 'FROM_START':
+        at2 = generator.getAdjusted(block, 'AT2', 0, false, Order.SUBTRACTION);
+        length = at2 + ' - ';
+        if (
+          stringUtils.isNumber(String(at1)) ||
+          String(at1).match(/^\(.+\)$/)
+        ) {
+          length += at1;
+        } else {
+          length += '(' + at1 + ')';
+        }
+        length += ' + 1';
+        break;
+      case 'FROM_END':
+        at2 = generator.getAdjusted(block, 'AT2', 0, false, Order.SUBTRACTION);
+        length = 'count(' + list + ') - ' + at2 + ' - ';
+        if (
+          stringUtils.isNumber(String(at1)) ||
+          String(at1).match(/^\(.+\)$/)
+        ) {
+          length += at1;
+        } else {
+          length += '(' + at1 + ')';
+        }
+        break;
+      case 'LAST':
+        length = 'count(' + list + ') - ';
+        if (
+          stringUtils.isNumber(String(at1)) ||
+          String(at1).match(/^\(.+\)$/)
+        ) {
+          length += at1;
+        } else {
+          length += '(' + at1 + ')';
+        }
+        break;
+      default:
+        throw Error('Unhandled option (lists_getSublist).');
+    }
+    code = 'array_slice(' + list + ', ' + at1 + ', ' + length + ')';
+  } else {
+    const at1 = generator.getAdjusted(block, 'AT1');
+    const at2 = generator.getAdjusted(block, 'AT2');
+    const functionName = generator.provideFunction_(
+      'lists_get_sublist',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($list, $where1, $at1, $where2, $at2) {
+  if ($where1 == 'FROM_END') {
+    $at1 = count($list) - 1 - $at1;
+  } else if ($where1 == 'FIRST') {
+    $at1 = 0;
+  } else if ($where1 != 'FROM_START') {
+    throw new Exception('Unhandled option (lists_get_sublist).');
+  }
+  $length = 0;
+  if ($where2 == 'FROM_START') {
+    $length = $at2 - $at1 + 1;
+  } else if ($where2 == 'FROM_END') {
+    $length = count($list) - $at1 - $at2;
+  } else if ($where2 == 'LAST') {
+    $length = count($list) - $at1;
+  } else {
+    throw new Exception('Unhandled option (lists_get_sublist).');
+  }
+  return array_slice($list, $at1, $length);
+}
+`,
+    );
+    code =
+      functionName +
+      '(' +
+      list +
+      ", '" +
+      where1 +
+      "', " +
+      at1 +
+      ", '" +
+      where2 +
+      "', " +
+      at2 +
+      ')';
+  }
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function lists_sort(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Block for sorting a list.
+  const listCode =
+    generator.valueToCode(block, 'LIST', Order.NONE) || 'array()';
+  const direction = block.getFieldValue('DIRECTION') === '1' ? 1 : -1;
+  const type = block.getFieldValue('TYPE');
+  const functionName = generator.provideFunction_(
+    'lists_sort',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($list, $type, $direction) {
+  $sortCmpFuncs = array(
+    'NUMERIC' => 'strnatcasecmp',
+    'TEXT' => 'strcmp',
+    'IGNORE_CASE' => 'strcasecmp'
+  );
+  $sortCmp = $sortCmpFuncs[$type];
+  $list2 = $list;
+  usort($list2, $sortCmp);
+  if ($direction == -1) {
+    $list2 = array_reverse($list2);
+  }
+  return $list2;
+}
+`,
+  );
+  const sortCode =
+    functionName + '(' + listCode + ', "' + type + '", ' + direction + ')';
+  return [sortCode, Order.FUNCTION_CALL];
+}
+
+export function lists_split(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Block for splitting text into a list, or joining a list into text.
+  let value_input = generator.valueToCode(block, 'INPUT', Order.NONE);
+  const value_delim = generator.valueToCode(block, 'DELIM', Order.NONE) || "''";
+  const mode = block.getFieldValue('MODE');
+  let functionName;
+  if (mode === 'SPLIT') {
+    if (!value_input) {
+      value_input = "''";
+    }
+    functionName = 'explode';
+  } else if (mode === 'JOIN') {
+    if (!value_input) {
+      value_input = 'array()';
+    }
+    functionName = 'implode';
+  } else {
+    throw Error('Unknown mode: ' + mode);
+  }
+  const code = functionName + '(' + value_delim + ', ' + value_input + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function lists_reverse(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Block for reversing a list.
+  const list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+  const code = 'array_reverse(' + list + ')';
+  return [code, Order.FUNCTION_CALL];
+}
diff --git a/generators/php/logic.js b/generators/php/logic.js
deleted file mode 100644
index 45199323666..00000000000
--- a/generators/php/logic.js
+++ /dev/null
@@ -1,128 +0,0 @@
-/**
- * @license
- * Copyright 2015 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating PHP for logic blocks.
- * @author daarond@gmail.com (Daaron Dwyer)
- */
-'use strict';
-
-goog.provide('Blockly.PHP.logic');
-
-goog.require('Blockly.PHP');
-
-
-Blockly.PHP['controls_if'] = function(block) {
-  // If/elseif/else condition.
-  var n = 0;
-  var code = '', branchCode, conditionCode;
-  if (Blockly.PHP.STATEMENT_PREFIX) {
-    // Automatic prefix insertion is switched off for this block.  Add manually.
-    code += Blockly.PHP.injectId(Blockly.PHP.STATEMENT_PREFIX, block);
-  }
-  do {
-    conditionCode = Blockly.PHP.valueToCode(block, 'IF' + n,
-        Blockly.PHP.ORDER_NONE) || 'false';
-    branchCode = Blockly.PHP.statementToCode(block, 'DO' + n);
-    if (Blockly.PHP.STATEMENT_SUFFIX) {
-      branchCode = Blockly.PHP.prefixLines(
-          Blockly.PHP.injectId(Blockly.PHP.STATEMENT_SUFFIX, block),
-          Blockly.PHP.INDENT) + branchCode;
-    }
-    code += (n > 0 ? ' else ' : '') +
-        'if (' + conditionCode + ') {\n' + branchCode + '}';
-    ++n;
-  } while (block.getInput('IF' + n));
-
-  if (block.getInput('ELSE') || Blockly.PHP.STATEMENT_SUFFIX) {
-    branchCode = Blockly.PHP.statementToCode(block, 'ELSE');
-    if (Blockly.PHP.STATEMENT_SUFFIX) {
-      branchCode = Blockly.PHP.prefixLines(
-          Blockly.PHP.injectId(Blockly.PHP.STATEMENT_SUFFIX, block),
-          Blockly.PHP.INDENT) + branchCode;
-    }
-    code += ' else {\n' + branchCode + '}';
-  }
-  return code + '\n';
-};
-
-Blockly.PHP['controls_ifelse'] = Blockly.PHP['controls_if'];
-
-Blockly.PHP['logic_compare'] = function(block) {
-  // Comparison operator.
-  var OPERATORS = {
-    'EQ': '==',
-    'NEQ': '!=',
-    'LT': '<',
-    'LTE': '<=',
-    'GT': '>',
-    'GTE': '>='
-  };
-  var operator = OPERATORS[block.getFieldValue('OP')];
-  var order = (operator == '==' || operator == '!=') ?
-      Blockly.PHP.ORDER_EQUALITY : Blockly.PHP.ORDER_RELATIONAL;
-  var argument0 = Blockly.PHP.valueToCode(block, 'A', order) || '0';
-  var argument1 = Blockly.PHP.valueToCode(block, 'B', order) || '0';
-  var code = argument0 + ' ' + operator + ' ' + argument1;
-  return [code, order];
-};
-
-Blockly.PHP['logic_operation'] = function(block) {
-  // Operations 'and', 'or'.
-  var operator = (block.getFieldValue('OP') == 'AND') ? '&&' : '||';
-  var order = (operator == '&&') ? Blockly.PHP.ORDER_LOGICAL_AND :
-      Blockly.PHP.ORDER_LOGICAL_OR;
-  var argument0 = Blockly.PHP.valueToCode(block, 'A', order);
-  var argument1 = Blockly.PHP.valueToCode(block, 'B', order);
-  if (!argument0 && !argument1) {
-    // If there are no arguments, then the return value is false.
-    argument0 = 'false';
-    argument1 = 'false';
-  } else {
-    // Single missing arguments have no effect on the return value.
-    var defaultArgument = (operator == '&&') ? 'true' : 'false';
-    if (!argument0) {
-      argument0 = defaultArgument;
-    }
-    if (!argument1) {
-      argument1 = defaultArgument;
-    }
-  }
-  var code = argument0 + ' ' + operator + ' ' + argument1;
-  return [code, order];
-};
-
-Blockly.PHP['logic_negate'] = function(block) {
-  // Negation.
-  var order = Blockly.PHP.ORDER_LOGICAL_NOT;
-  var argument0 = Blockly.PHP.valueToCode(block, 'BOOL', order) ||
-      'true';
-  var code = '!' + argument0;
-  return [code, order];
-};
-
-Blockly.PHP['logic_boolean'] = function(block) {
-  // Boolean values true and false.
-  var code = (block.getFieldValue('BOOL') == 'TRUE') ? 'true' : 'false';
-  return [code, Blockly.PHP.ORDER_ATOMIC];
-};
-
-Blockly.PHP['logic_null'] = function(block) {
-  // Null data type.
-  return ['null', Blockly.PHP.ORDER_ATOMIC];
-};
-
-Blockly.PHP['logic_ternary'] = function(block) {
-  // Ternary operator.
-  var value_if = Blockly.PHP.valueToCode(block, 'IF',
-      Blockly.PHP.ORDER_CONDITIONAL) || 'false';
-  var value_then = Blockly.PHP.valueToCode(block, 'THEN',
-      Blockly.PHP.ORDER_CONDITIONAL) || 'null';
-  var value_else = Blockly.PHP.valueToCode(block, 'ELSE',
-      Blockly.PHP.ORDER_CONDITIONAL) || 'null';
-  var code = value_if + ' ? ' + value_then + ' : ' + value_else;
-  return [code, Blockly.PHP.ORDER_CONDITIONAL];
-};
diff --git a/generators/php/logic.ts b/generators/php/logic.ts
new file mode 100644
index 00000000000..8aaa5c89213
--- /dev/null
+++ b/generators/php/logic.ts
@@ -0,0 +1,155 @@
+/**
+ * @license
+ * Copyright 2015 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating PHP for logic blocks.
+ */
+
+// Former goog.module ID: Blockly.PHP.logic
+
+import type {Block} from '../../core/block.js';
+import {Order} from './php_generator.js';
+import type {PhpGenerator} from './php_generator.js';
+
+export function controls_if(block: Block, generator: PhpGenerator) {
+  // If/elseif/else condition.
+  let n = 0;
+  let code = '',
+    branchCode,
+    conditionCode;
+  if (generator.STATEMENT_PREFIX) {
+    // Automatic prefix insertion is switched off for this block.  Add manually.
+    code += generator.injectId(generator.STATEMENT_PREFIX, block);
+  }
+  do {
+    conditionCode =
+      generator.valueToCode(block, 'IF' + n, Order.NONE) || 'false';
+    branchCode = generator.statementToCode(block, 'DO' + n);
+    if (generator.STATEMENT_SUFFIX) {
+      branchCode =
+        generator.prefixLines(
+          generator.injectId(generator.STATEMENT_SUFFIX, block),
+          generator.INDENT,
+        ) + branchCode;
+    }
+    code +=
+      (n > 0 ? ' else ' : '') +
+      'if (' +
+      conditionCode +
+      ') {\n' +
+      branchCode +
+      '}';
+    n++;
+  } while (block.getInput('IF' + n));
+
+  if (block.getInput('ELSE') || generator.STATEMENT_SUFFIX) {
+    branchCode = generator.statementToCode(block, 'ELSE');
+    if (generator.STATEMENT_SUFFIX) {
+      branchCode =
+        generator.prefixLines(
+          generator.injectId(generator.STATEMENT_SUFFIX, block),
+          generator.INDENT,
+        ) + branchCode;
+    }
+    code += ' else {\n' + branchCode + '}';
+  }
+  return code + '\n';
+}
+
+export const controls_ifelse = controls_if;
+
+export function logic_compare(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Comparison operator.
+  const OPERATORS = {
+    'EQ': '==',
+    'NEQ': '!=',
+    'LT': '<',
+    'LTE': '<=',
+    'GT': '>',
+    'GTE': '>=',
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const operator = OPERATORS[block.getFieldValue('OP') as OperatorOption];
+  const order =
+    operator === '==' || operator === '!=' ? Order.EQUALITY : Order.RELATIONAL;
+  const argument0 = generator.valueToCode(block, 'A', order) || '0';
+  const argument1 = generator.valueToCode(block, 'B', order) || '0';
+  const code = argument0 + ' ' + operator + ' ' + argument1;
+  return [code, order];
+}
+
+export function logic_operation(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Operations 'and', 'or'.
+  const operator = block.getFieldValue('OP') === 'AND' ? '&&' : '||';
+  const order = operator === '&&' ? Order.LOGICAL_AND : Order.LOGICAL_OR;
+  let argument0 = generator.valueToCode(block, 'A', order);
+  let argument1 = generator.valueToCode(block, 'B', order);
+  if (!argument0 && !argument1) {
+    // If there are no arguments, then the return value is false.
+    argument0 = 'false';
+    argument1 = 'false';
+  } else {
+    // Single missing arguments have no effect on the return value.
+    const defaultArgument = operator === '&&' ? 'true' : 'false';
+    if (!argument0) {
+      argument0 = defaultArgument;
+    }
+    if (!argument1) {
+      argument1 = defaultArgument;
+    }
+  }
+  const code = argument0 + ' ' + operator + ' ' + argument1;
+  return [code, order];
+}
+
+export function logic_negate(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Negation.
+  const order = Order.LOGICAL_NOT;
+  const argument0 = generator.valueToCode(block, 'BOOL', order) || 'true';
+  const code = '!' + argument0;
+  return [code, order];
+}
+
+export function logic_boolean(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Boolean values true and false.
+  const code = block.getFieldValue('BOOL') === 'TRUE' ? 'true' : 'false';
+  return [code, Order.ATOMIC];
+}
+
+export function logic_null(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Null data type.
+  return ['null', Order.ATOMIC];
+}
+
+export function logic_ternary(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Ternary operator.
+  const value_if =
+    generator.valueToCode(block, 'IF', Order.CONDITIONAL) || 'false';
+  const value_then =
+    generator.valueToCode(block, 'THEN', Order.CONDITIONAL) || 'null';
+  const value_else =
+    generator.valueToCode(block, 'ELSE', Order.CONDITIONAL) || 'null';
+  const code = value_if + ' ? ' + value_then + ' : ' + value_else;
+  return [code, Order.CONDITIONAL];
+}
diff --git a/generators/php/loops.js b/generators/php/loops.js
deleted file mode 100644
index 265bbe689e9..00000000000
--- a/generators/php/loops.js
+++ /dev/null
@@ -1,170 +0,0 @@
-/**
- * @license
- * Copyright 2015 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating PHP for loop blocks.
- * @author daarond@gmail.com (Daaron Dwyer)
- */
-'use strict';
-
-goog.provide('Blockly.PHP.loops');
-
-goog.require('Blockly.PHP');
-
-
-Blockly.PHP['controls_repeat_ext'] = function(block) {
-  // Repeat n times.
-  if (block.getField('TIMES')) {
-    // Internal number.
-    var repeats = String(Number(block.getFieldValue('TIMES')));
-  } else {
-    // External number.
-    var repeats = Blockly.PHP.valueToCode(block, 'TIMES',
-        Blockly.PHP.ORDER_ASSIGNMENT) || '0';
-  }
-  var branch = Blockly.PHP.statementToCode(block, 'DO');
-  branch = Blockly.PHP.addLoopTrap(branch, block);
-  var code = '';
-  var loopVar = Blockly.PHP.variableDB_.getDistinctName(
-      'count', Blockly.VARIABLE_CATEGORY_NAME);
-  var endVar = repeats;
-  if (!repeats.match(/^\w+$/) && !Blockly.isNumber(repeats)) {
-    endVar = Blockly.PHP.variableDB_.getDistinctName(
-        'repeat_end', Blockly.VARIABLE_CATEGORY_NAME);
-    code += endVar + ' = ' + repeats + ';\n';
-  }
-  code += 'for (' + loopVar + ' = 0; ' +
-      loopVar + ' < ' + endVar + '; ' +
-      loopVar + '++) {\n' +
-      branch + '}\n';
-  return code;
-};
-
-Blockly.PHP['controls_repeat'] = Blockly.PHP['controls_repeat_ext'];
-
-Blockly.PHP['controls_whileUntil'] = function(block) {
-  // Do while/until loop.
-  var until = block.getFieldValue('MODE') == 'UNTIL';
-  var argument0 = Blockly.PHP.valueToCode(block, 'BOOL',
-      until ? Blockly.PHP.ORDER_LOGICAL_NOT :
-      Blockly.PHP.ORDER_NONE) || 'false';
-  var branch = Blockly.PHP.statementToCode(block, 'DO');
-  branch = Blockly.PHP.addLoopTrap(branch, block);
-  if (until) {
-    argument0 = '!' + argument0;
-  }
-  return 'while (' + argument0 + ') {\n' + branch + '}\n';
-};
-
-Blockly.PHP['controls_for'] = function(block) {
-  // For loop.
-  var variable0 = Blockly.PHP.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  var argument0 = Blockly.PHP.valueToCode(block, 'FROM',
-      Blockly.PHP.ORDER_ASSIGNMENT) || '0';
-  var argument1 = Blockly.PHP.valueToCode(block, 'TO',
-      Blockly.PHP.ORDER_ASSIGNMENT) || '0';
-  var increment = Blockly.PHP.valueToCode(block, 'BY',
-      Blockly.PHP.ORDER_ASSIGNMENT) || '1';
-  var branch = Blockly.PHP.statementToCode(block, 'DO');
-  branch = Blockly.PHP.addLoopTrap(branch, block);
-  var code;
-  if (Blockly.isNumber(argument0) && Blockly.isNumber(argument1) &&
-      Blockly.isNumber(increment)) {
-    // All arguments are simple numbers.
-    var up = Number(argument0) <= Number(argument1);
-    code = 'for (' + variable0 + ' = ' + argument0 + '; ' +
-        variable0 + (up ? ' <= ' : ' >= ') + argument1 + '; ' +
-        variable0;
-    var step = Math.abs(Number(increment));
-    if (step == 1) {
-      code += up ? '++' : '--';
-    } else {
-      code += (up ? ' += ' : ' -= ') + step;
-    }
-    code += ') {\n' + branch + '}\n';
-  } else {
-    code = '';
-    // Cache non-trivial values to variables to prevent repeated look-ups.
-    var startVar = argument0;
-    if (!argument0.match(/^\w+$/) && !Blockly.isNumber(argument0)) {
-      startVar = Blockly.PHP.variableDB_.getDistinctName(
-          variable0 + '_start', Blockly.VARIABLE_CATEGORY_NAME);
-      code += startVar + ' = ' + argument0 + ';\n';
-    }
-    var endVar = argument1;
-    if (!argument1.match(/^\w+$/) && !Blockly.isNumber(argument1)) {
-      endVar = Blockly.PHP.variableDB_.getDistinctName(
-          variable0 + '_end', Blockly.VARIABLE_CATEGORY_NAME);
-      code += endVar + ' = ' + argument1 + ';\n';
-    }
-    // Determine loop direction at start, in case one of the bounds
-    // changes during loop execution.
-    var incVar = Blockly.PHP.variableDB_.getDistinctName(
-        variable0 + '_inc', Blockly.VARIABLE_CATEGORY_NAME);
-    code += incVar + ' = ';
-    if (Blockly.isNumber(increment)) {
-      code += Math.abs(increment) + ';\n';
-    } else {
-      code += 'abs(' + increment + ');\n';
-    }
-    code += 'if (' + startVar + ' > ' + endVar + ') {\n';
-    code += Blockly.PHP.INDENT + incVar + ' = -' + incVar + ';\n';
-    code += '}\n';
-    code += 'for (' + variable0 + ' = ' + startVar + '; ' +
-        incVar + ' >= 0 ? ' +
-        variable0 + ' <= ' + endVar + ' : ' +
-        variable0 + ' >= ' + endVar + '; ' +
-        variable0 + ' += ' + incVar + ') {\n' +
-        branch + '}\n';
-  }
-  return code;
-};
-
-Blockly.PHP['controls_forEach'] = function(block) {
-  // For each loop.
-  var variable0 = Blockly.PHP.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  var argument0 = Blockly.PHP.valueToCode(block, 'LIST',
-      Blockly.PHP.ORDER_ASSIGNMENT) || '[]';
-  var branch = Blockly.PHP.statementToCode(block, 'DO');
-  branch = Blockly.PHP.addLoopTrap(branch, block);
-  var code = '';
-  code += 'foreach (' + argument0 + ' as ' + variable0 +
-      ') {\n' + branch + '}\n';
-  return code;
-};
-
-Blockly.PHP['controls_flow_statements'] = function(block) {
-  // Flow statements: continue, break.
-  var xfix = '';
-  if (Blockly.PHP.STATEMENT_PREFIX) {
-    // Automatic prefix insertion is switched off for this block.  Add manually.
-    xfix += Blockly.PHP.injectId(Blockly.PHP.STATEMENT_PREFIX, block);
-  }
-  if (Blockly.PHP.STATEMENT_SUFFIX) {
-    // Inject any statement suffix here since the regular one at the end
-    // will not get executed if the break/continue is triggered.
-    xfix += Blockly.PHP.injectId(Blockly.PHP.STATEMENT_SUFFIX, block);
-  }
-  if (Blockly.PHP.STATEMENT_PREFIX) {
-    var loop = Blockly.Constants.Loops
-        .CONTROL_FLOW_IN_LOOP_CHECK_MIXIN.getSurroundLoop(block);
-    if (loop && !loop.suppressPrefixSuffix) {
-      // Inject loop's statement prefix here since the regular one at the end
-      // of the loop will not get executed if 'continue' is triggered.
-      // In the case of 'break', a prefix is needed due to the loop's suffix.
-      xfix += Blockly.PHP.injectId(Blockly.PHP.STATEMENT_PREFIX, loop);
-    }
-  }
-  switch (block.getFieldValue('FLOW')) {
-    case 'BREAK':
-      return xfix + 'break;\n';
-    case 'CONTINUE':
-      return xfix + 'continue;\n';
-  }
-  throw Error('Unknown flow statement.');
-};
diff --git a/generators/php/loops.ts b/generators/php/loops.ts
new file mode 100644
index 00000000000..ae87dbb294b
--- /dev/null
+++ b/generators/php/loops.ts
@@ -0,0 +1,218 @@
+/**
+ * @license
+ * Copyright 2015 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating PHP for loop blocks.
+ */
+
+// Former goog.module ID: Blockly.PHP.loops
+
+import * as stringUtils from '../../core/utils/string.js';
+import type {Block} from '../../core/block.js';
+import type {ControlFlowInLoopBlock} from '../../blocks/loops.js';
+import {NameType} from '../../core/names.js';
+import {Order} from './php_generator.js';
+import type {PhpGenerator} from './php_generator.js';
+
+export function controls_repeat_ext(block: Block, generator: PhpGenerator) {
+  // Repeat n times.
+  let repeats;
+  if (block.getField('TIMES')) {
+    // Internal number.
+    repeats = String(Number(block.getFieldValue('TIMES')));
+  } else {
+    // External number.
+    repeats = generator.valueToCode(block, 'TIMES', Order.ASSIGNMENT) || '0';
+  }
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  let code = '';
+  const loopVar = generator.nameDB_!.getDistinctName(
+    'count',
+    NameType.VARIABLE,
+  );
+  let endVar = repeats;
+  if (!repeats.match(/^\w+$/) && !stringUtils.isNumber(repeats)) {
+    endVar = generator.nameDB_!.getDistinctName(
+      'repeat_end',
+      NameType.VARIABLE,
+    );
+    code += endVar + ' = ' + repeats + ';\n';
+  }
+  code +=
+    'for (' +
+    loopVar +
+    ' = 0; ' +
+    loopVar +
+    ' < ' +
+    endVar +
+    '; ' +
+    loopVar +
+    '++) {\n' +
+    branch +
+    '}\n';
+  return code;
+}
+
+export const controls_repeat = controls_repeat_ext;
+
+export function controls_whileUntil(block: Block, generator: PhpGenerator) {
+  // Do while/until loop.
+  const until = block.getFieldValue('MODE') === 'UNTIL';
+  let argument0 =
+    generator.valueToCode(
+      block,
+      'BOOL',
+      until ? Order.LOGICAL_NOT : Order.NONE,
+    ) || 'false';
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  if (until) {
+    argument0 = '!' + argument0;
+  }
+  return 'while (' + argument0 + ') {\n' + branch + '}\n';
+}
+
+export function controls_for(block: Block, generator: PhpGenerator) {
+  // For loop.
+  const variable0 = generator.getVariableName(block.getFieldValue('VAR'));
+  const argument0 =
+    generator.valueToCode(block, 'FROM', Order.ASSIGNMENT) || '0';
+  const argument1 = generator.valueToCode(block, 'TO', Order.ASSIGNMENT) || '0';
+  const increment = generator.valueToCode(block, 'BY', Order.ASSIGNMENT) || '1';
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  let code;
+  if (
+    stringUtils.isNumber(argument0) &&
+    stringUtils.isNumber(argument1) &&
+    stringUtils.isNumber(increment)
+  ) {
+    // All arguments are simple numbers.
+    const up = Number(argument0) <= Number(argument1);
+    code =
+      'for (' +
+      variable0 +
+      ' = ' +
+      argument0 +
+      '; ' +
+      variable0 +
+      (up ? ' <= ' : ' >= ') +
+      argument1 +
+      '; ' +
+      variable0;
+    const step = Math.abs(Number(increment));
+    if (step === 1) {
+      code += up ? '++' : '--';
+    } else {
+      code += (up ? ' += ' : ' -= ') + step;
+    }
+    code += ') {\n' + branch + '}\n';
+  } else {
+    code = '';
+    // Cache non-trivial values to variables to prevent repeated look-ups.
+    let startVar = argument0;
+    if (!argument0.match(/^\w+$/) && !stringUtils.isNumber(argument0)) {
+      startVar = generator.nameDB_!.getDistinctName(
+        variable0 + '_start',
+        NameType.VARIABLE,
+      );
+      code += startVar + ' = ' + argument0 + ';\n';
+    }
+    let endVar = argument1;
+    if (!argument1.match(/^\w+$/) && !stringUtils.isNumber(argument1)) {
+      endVar = generator.nameDB_!.getDistinctName(
+        variable0 + '_end',
+        NameType.VARIABLE,
+      );
+      code += endVar + ' = ' + argument1 + ';\n';
+    }
+    // Determine loop direction at start, in case one of the bounds
+    // changes during loop execution.
+    const incVar = generator.nameDB_!.getDistinctName(
+      variable0 + '_inc',
+      NameType.VARIABLE,
+    );
+    code += incVar + ' = ';
+    if (stringUtils.isNumber(increment)) {
+      code += Math.abs(Number(increment)) + ';\n';
+    } else {
+      code += 'abs(' + increment + ');\n';
+    }
+    code += 'if (' + startVar + ' > ' + endVar + ') {\n';
+    code += generator.INDENT + incVar + ' = -' + incVar + ';\n';
+    code += '}\n';
+    code +=
+      'for (' +
+      variable0 +
+      ' = ' +
+      startVar +
+      '; ' +
+      incVar +
+      ' >= 0 ? ' +
+      variable0 +
+      ' <= ' +
+      endVar +
+      ' : ' +
+      variable0 +
+      ' >= ' +
+      endVar +
+      '; ' +
+      variable0 +
+      ' += ' +
+      incVar +
+      ') {\n' +
+      branch +
+      '}\n';
+  }
+  return code;
+}
+
+export function controls_forEach(block: Block, generator: PhpGenerator) {
+  // For each loop.
+  const variable0 = generator.getVariableName(block.getFieldValue('VAR'));
+  const argument0 =
+    generator.valueToCode(block, 'LIST', Order.ASSIGNMENT) || '[]';
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block);
+  let code = '';
+  code +=
+    'foreach (' + argument0 + ' as ' + variable0 + ') {\n' + branch + '}\n';
+  return code;
+}
+
+export function controls_flow_statements(
+  block: Block,
+  generator: PhpGenerator,
+) {
+  // Flow statements: continue, break.
+  let xfix = '';
+  if (generator.STATEMENT_PREFIX) {
+    // Automatic prefix insertion is switched off for this block.  Add manually.
+    xfix += generator.injectId(generator.STATEMENT_PREFIX, block);
+  }
+  if (generator.STATEMENT_SUFFIX) {
+    // Inject any statement suffix here since the regular one at the end
+    // will not get executed if the break/continue is triggered.
+    xfix += generator.injectId(generator.STATEMENT_SUFFIX, block);
+  }
+  if (generator.STATEMENT_PREFIX) {
+    const loop = (block as ControlFlowInLoopBlock).getSurroundLoop();
+    if (loop && !loop.suppressPrefixSuffix) {
+      // Inject loop's statement prefix here since the regular one at the end
+      // of the loop will not get executed if 'continue' is triggered.
+      // In the case of 'break', a prefix is needed due to the loop's suffix.
+      xfix += generator.injectId(generator.STATEMENT_PREFIX, loop);
+    }
+  }
+  switch (block.getFieldValue('FLOW')) {
+    case 'BREAK':
+      return xfix + 'break;\n';
+    case 'CONTINUE':
+      return xfix + 'continue;\n';
+  }
+  throw Error('Unknown flow statement.');
+}
diff --git a/generators/php/math.js b/generators/php/math.js
deleted file mode 100644
index 6e72a68faf2..00000000000
--- a/generators/php/math.js
+++ /dev/null
@@ -1,370 +0,0 @@
-/**
- * @license
- * Copyright 2015 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating PHP for math blocks.
- * @author daarond@gmail.com (Daaron Dwyer)
- */
-'use strict';
-
-goog.provide('Blockly.PHP.math');
-
-goog.require('Blockly.PHP');
-
-
-Blockly.PHP['math_number'] = function(block) {
-  // Numeric value.
-  var code = Number(block.getFieldValue('NUM'));
-  var order = code >= 0 ? Blockly.PHP.ORDER_ATOMIC :
-              Blockly.PHP.ORDER_UNARY_NEGATION;
-  if (code == Infinity) {
-    code = 'INF';
-  } else if (code == -Infinity) {
-    code = '-INF';
-  }
-  return [code, order];
-};
-
-Blockly.PHP['math_arithmetic'] = function(block) {
-  // Basic arithmetic operators, and power.
-  var OPERATORS = {
-    'ADD': [' + ', Blockly.PHP.ORDER_ADDITION],
-    'MINUS': [' - ', Blockly.PHP.ORDER_SUBTRACTION],
-    'MULTIPLY': [' * ', Blockly.PHP.ORDER_MULTIPLICATION],
-    'DIVIDE': [' / ', Blockly.PHP.ORDER_DIVISION],
-    'POWER': [' ** ', Blockly.PHP.ORDER_POWER]
-  };
-  var tuple = OPERATORS[block.getFieldValue('OP')];
-  var operator = tuple[0];
-  var order = tuple[1];
-  var argument0 = Blockly.PHP.valueToCode(block, 'A', order) || '0';
-  var argument1 = Blockly.PHP.valueToCode(block, 'B', order) || '0';
-  var code = argument0 + operator + argument1;
-  return [code, order];
-};
-
-Blockly.PHP['math_single'] = function(block) {
-  // Math operators with single operand.
-  var operator = block.getFieldValue('OP');
-  var code;
-  var arg;
-  if (operator == 'NEG') {
-    // Negation is a special case given its different operator precedence.
-    arg = Blockly.PHP.valueToCode(block, 'NUM',
-        Blockly.PHP.ORDER_UNARY_NEGATION) || '0';
-    if (arg[0] == '-') {
-      // --3 is not legal in JS.
-      arg = ' ' + arg;
-    }
-    code = '-' + arg;
-    return [code, Blockly.PHP.ORDER_UNARY_NEGATION];
-  }
-  if (operator == 'SIN' || operator == 'COS' || operator == 'TAN') {
-    arg = Blockly.PHP.valueToCode(block, 'NUM',
-        Blockly.PHP.ORDER_DIVISION) || '0';
-  } else {
-    arg = Blockly.PHP.valueToCode(block, 'NUM',
-        Blockly.PHP.ORDER_NONE) || '0';
-  }
-  // First, handle cases which generate values that don't need parentheses
-  // wrapping the code.
-  switch (operator) {
-    case 'ABS':
-      code = 'abs(' + arg + ')';
-      break;
-    case 'ROOT':
-      code = 'sqrt(' + arg + ')';
-      break;
-    case 'LN':
-      code = 'log(' + arg + ')';
-      break;
-    case 'EXP':
-      code = 'exp(' + arg + ')';
-      break;
-    case 'POW10':
-      code = 'pow(10,' + arg + ')';
-      break;
-    case 'ROUND':
-      code = 'round(' + arg + ')';
-      break;
-    case 'ROUNDUP':
-      code = 'ceil(' + arg + ')';
-      break;
-    case 'ROUNDDOWN':
-      code = 'floor(' + arg + ')';
-      break;
-    case 'SIN':
-      code = 'sin(' + arg + ' / 180 * pi())';
-      break;
-    case 'COS':
-      code = 'cos(' + arg + ' / 180 * pi())';
-      break;
-    case 'TAN':
-      code = 'tan(' + arg + ' / 180 * pi())';
-      break;
-  }
-  if (code) {
-    return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-  }
-  // Second, handle cases which generate values that may need parentheses
-  // wrapping the code.
-  switch (operator) {
-    case 'LOG10':
-      code = 'log(' + arg + ') / log(10)';
-      break;
-    case 'ASIN':
-      code = 'asin(' + arg + ') / pi() * 180';
-      break;
-    case 'ACOS':
-      code = 'acos(' + arg + ') / pi() * 180';
-      break;
-    case 'ATAN':
-      code = 'atan(' + arg + ') / pi() * 180';
-      break;
-    default:
-      throw Error('Unknown math operator: ' + operator);
-  }
-  return [code, Blockly.PHP.ORDER_DIVISION];
-};
-
-Blockly.PHP['math_constant'] = function(block) {
-  // Constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
-  var CONSTANTS = {
-    'PI': ['M_PI', Blockly.PHP.ORDER_ATOMIC],
-    'E': ['M_E', Blockly.PHP.ORDER_ATOMIC],
-    'GOLDEN_RATIO': ['(1 + sqrt(5)) / 2', Blockly.PHP.ORDER_DIVISION],
-    'SQRT2': ['M_SQRT2', Blockly.PHP.ORDER_ATOMIC],
-    'SQRT1_2': ['M_SQRT1_2', Blockly.PHP.ORDER_ATOMIC],
-    'INFINITY': ['INF', Blockly.PHP.ORDER_ATOMIC]
-  };
-  return CONSTANTS[block.getFieldValue('CONSTANT')];
-};
-
-Blockly.PHP['math_number_property'] = function(block) {
-  // Check if a number is even, odd, prime, whole, positive, or negative
-  // or if it is divisible by certain number. Returns true or false.
-  var number_to_check = Blockly.PHP.valueToCode(block, 'NUMBER_TO_CHECK',
-      Blockly.PHP.ORDER_MODULUS) || '0';
-  var dropdown_property = block.getFieldValue('PROPERTY');
-  var code;
-  if (dropdown_property == 'PRIME') {
-    // Prime is a special case as it is not a one-liner test.
-    var functionName = Blockly.PHP.provideFunction_(
-        'math_isPrime',
-        ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ + '($n) {',
-         '  // https://en.wikipedia.org/wiki/Primality_test#Naive_methods',
-         '  if ($n == 2 || $n == 3) {',
-         '    return true;',
-         '  }',
-         '  // False if n is NaN, negative, is 1, or not whole.',
-         '  // And false if n is divisible by 2 or 3.',
-         '  if (!is_numeric($n) || $n <= 1 || $n % 1 != 0 || $n % 2 == 0 ||' +
-            ' $n % 3 == 0) {',
-         '    return false;',
-         '  }',
-         '  // Check all the numbers of form 6k +/- 1, up to sqrt(n).',
-         '  for ($x = 6; $x <= sqrt($n) + 1; $x += 6) {',
-         '    if ($n % ($x - 1) == 0 || $n % ($x + 1) == 0) {',
-         '      return false;',
-         '    }',
-         '  }',
-         '  return true;',
-         '}']);
-    code = functionName + '(' + number_to_check + ')';
-    return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-  }
-  switch (dropdown_property) {
-    case 'EVEN':
-      code = number_to_check + ' % 2 == 0';
-      break;
-    case 'ODD':
-      code = number_to_check + ' % 2 == 1';
-      break;
-    case 'WHOLE':
-      code = 'is_int(' + number_to_check + ')';
-      break;
-    case 'POSITIVE':
-      code = number_to_check + ' > 0';
-      break;
-    case 'NEGATIVE':
-      code = number_to_check + ' < 0';
-      break;
-    case 'DIVISIBLE_BY':
-      var divisor = Blockly.PHP.valueToCode(block, 'DIVISOR',
-          Blockly.PHP.ORDER_MODULUS) || '0';
-      code = number_to_check + ' % ' + divisor + ' == 0';
-      break;
-  }
-  return [code, Blockly.PHP.ORDER_EQUALITY];
-};
-
-Blockly.PHP['math_change'] = function(block) {
-  // Add to a variable in place.
-  var argument0 = Blockly.PHP.valueToCode(block, 'DELTA',
-      Blockly.PHP.ORDER_ADDITION) || '0';
-  var varName = Blockly.PHP.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  return varName + ' += ' + argument0 + ';\n';
-};
-
-// Rounding functions have a single operand.
-Blockly.PHP['math_round'] = Blockly.PHP['math_single'];
-// Trigonometry functions have a single operand.
-Blockly.PHP['math_trig'] = Blockly.PHP['math_single'];
-
-Blockly.PHP['math_on_list'] = function(block) {
-  // Math functions for lists.
-  var func = block.getFieldValue('OP');
-  var list, code;
-  switch (func) {
-    case 'SUM':
-      list = Blockly.PHP.valueToCode(block, 'LIST',
-          Blockly.PHP.ORDER_FUNCTION_CALL) || 'array()';
-      code = 'array_sum(' + list + ')';
-      break;
-    case 'MIN':
-      list = Blockly.PHP.valueToCode(block, 'LIST',
-          Blockly.PHP.ORDER_FUNCTION_CALL) || 'array()';
-      code = 'min(' + list + ')';
-      break;
-    case 'MAX':
-      list = Blockly.PHP.valueToCode(block, 'LIST',
-          Blockly.PHP.ORDER_FUNCTION_CALL) || 'array()';
-      code = 'max(' + list + ')';
-      break;
-    case 'AVERAGE':
-      var functionName = Blockly.PHP.provideFunction_(
-          'math_mean',
-          ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-              '($myList) {',
-           '  return array_sum($myList) / count($myList);',
-           '}']);
-      list = Blockly.PHP.valueToCode(block, 'LIST',
-          Blockly.PHP.ORDER_NONE) || 'array()';
-      code = functionName + '(' + list + ')';
-      break;
-    case 'MEDIAN':
-      var functionName = Blockly.PHP.provideFunction_(
-          'math_median',
-          ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-              '($arr) {',
-           '  sort($arr,SORT_NUMERIC);',
-           '  return (count($arr) % 2) ? $arr[floor(count($arr)/2)] : ',
-           '      ($arr[floor(count($arr)/2)] + $arr[floor(count($arr)/2)' +
-              ' - 1]) / 2;',
-           '}']);
-      list = Blockly.PHP.valueToCode(block, 'LIST',
-          Blockly.PHP.ORDER_NONE) || '[]';
-      code = functionName + '(' + list + ')';
-      break;
-    case 'MODE':
-      // As a list of numbers can contain more than one mode,
-      // the returned result is provided as an array.
-      // Mode of [3, 'x', 'x', 1, 1, 2, '3'] -> ['x', 1].
-      var functionName = Blockly.PHP.provideFunction_(
-          'math_modes',
-          ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-              '($values) {',
-           '  if (empty($values)) return array();',
-           '  $counts = array_count_values($values);',
-           '  arsort($counts); // Sort counts in descending order',
-           '  $modes = array_keys($counts, current($counts), true);',
-           '  return $modes;',
-           '}']);
-      list = Blockly.PHP.valueToCode(block, 'LIST',
-          Blockly.PHP.ORDER_NONE) || '[]';
-      code = functionName + '(' + list + ')';
-      break;
-    case 'STD_DEV':
-      var functionName = Blockly.PHP.provideFunction_(
-          'math_standard_deviation',
-          ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-              '($numbers) {',
-           '  $n = count($numbers);',
-           '  if (!$n) return null;',
-           '  $mean = array_sum($numbers) / count($numbers);',
-           '  foreach($numbers as $key => $num) $devs[$key] = ' +
-              'pow($num - $mean, 2);',
-           '  return sqrt(array_sum($devs) / (count($devs) - 1));',
-           '}']);
-      list = Blockly.PHP.valueToCode(block, 'LIST',
-              Blockly.PHP.ORDER_NONE) || '[]';
-      code = functionName + '(' + list + ')';
-      break;
-    case 'RANDOM':
-      var functionName = Blockly.PHP.provideFunction_(
-          'math_random_list',
-          ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-              '($list) {',
-           '  $x = rand(0, count($list)-1);',
-           '  return $list[$x];',
-           '}']);
-      list = Blockly.PHP.valueToCode(block, 'LIST',
-          Blockly.PHP.ORDER_NONE) || '[]';
-      code = functionName + '(' + list + ')';
-      break;
-    default:
-      throw Error('Unknown operator: ' + func);
-  }
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['math_modulo'] = function(block) {
-  // Remainder computation.
-  var argument0 = Blockly.PHP.valueToCode(block, 'DIVIDEND',
-      Blockly.PHP.ORDER_MODULUS) || '0';
-  var argument1 = Blockly.PHP.valueToCode(block, 'DIVISOR',
-      Blockly.PHP.ORDER_MODULUS) || '0';
-  var code = argument0 + ' % ' + argument1;
-  return [code, Blockly.PHP.ORDER_MODULUS];
-};
-
-Blockly.PHP['math_constrain'] = function(block) {
-  // Constrain a number between two limits.
-  var argument0 = Blockly.PHP.valueToCode(block, 'VALUE',
-      Blockly.PHP.ORDER_COMMA) || '0';
-  var argument1 = Blockly.PHP.valueToCode(block, 'LOW',
-      Blockly.PHP.ORDER_COMMA) || '0';
-  var argument2 = Blockly.PHP.valueToCode(block, 'HIGH',
-      Blockly.PHP.ORDER_COMMA) || 'Infinity';
-  var code = 'min(max(' + argument0 + ', ' + argument1 + '), ' +
-      argument2 + ')';
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['math_random_int'] = function(block) {
-  // Random integer between [X] and [Y].
-  var argument0 = Blockly.PHP.valueToCode(block, 'FROM',
-      Blockly.PHP.ORDER_COMMA) || '0';
-  var argument1 = Blockly.PHP.valueToCode(block, 'TO',
-      Blockly.PHP.ORDER_COMMA) || '0';
-  var functionName = Blockly.PHP.provideFunction_(
-      'math_random_int',
-      ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-          '($a, $b) {',
-       '  if ($a > $b) {',
-       '    return rand($b, $a);',
-       '  }',
-       '  return rand($a, $b);',
-       '}']);
-  var code = functionName + '(' + argument0 + ', ' + argument1 + ')';
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['math_random_float'] = function(block) {
-  // Random fraction between 0 and 1.
-  return ['(float)rand()/(float)getrandmax()', Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['math_atan2'] = function(block) {
-  // Arctangent of point (X, Y) in degrees from -180 to 180.
-  var argument0 = Blockly.PHP.valueToCode(block, 'X',
-      Blockly.PHP.ORDER_COMMA) || '0';
-  var argument1 = Blockly.PHP.valueToCode(block, 'Y',
-      Blockly.PHP.ORDER_COMMA) || '0';
-  return ['atan2(' + argument1 + ', ' + argument0 + ') / pi() * 180',
-      Blockly.PHP.ORDER_DIVISION];
-};
diff --git a/generators/php/math.ts b/generators/php/math.ts
new file mode 100644
index 00000000000..6218bf4d114
--- /dev/null
+++ b/generators/php/math.ts
@@ -0,0 +1,408 @@
+/**
+ * @license
+ * Copyright 2015 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating PHP for math blocks.
+ */
+
+// Former goog.module ID: Blockly.PHP.math
+
+import type {Block} from '../../core/block.js';
+import {Order} from './php_generator.js';
+import type {PhpGenerator} from './php_generator.js';
+
+export function math_number(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Numeric value.
+  let number = Number(block.getFieldValue('NUM'));
+  if (number === Infinity) {
+    return ['INF', Order.ATOMIC];
+  } else if (number === -Infinity) {
+    return ['-INF', Order.UNARY_NEGATION];
+  }
+  return [String(number), number >= 0 ? Order.ATOMIC : Order.UNARY_NEGATION];
+}
+
+export function math_arithmetic(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Basic arithmetic operators, and power.
+  const OPERATORS: Record<string, [string, Order]> = {
+    'ADD': [' + ', Order.ADDITION],
+    'MINUS': [' - ', Order.SUBTRACTION],
+    'MULTIPLY': [' * ', Order.MULTIPLICATION],
+    'DIVIDE': [' / ', Order.DIVISION],
+    'POWER': [' ** ', Order.POWER],
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const tuple = OPERATORS[block.getFieldValue('OP') as OperatorOption];
+  const operator = tuple[0];
+  const order = tuple[1];
+  const argument0 = generator.valueToCode(block, 'A', order) || '0';
+  const argument1 = generator.valueToCode(block, 'B', order) || '0';
+  const code = argument0 + operator + argument1;
+  return [code, order];
+}
+
+export function math_single(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Math operators with single operand.
+  const operator = block.getFieldValue('OP');
+  let code;
+  let arg;
+  if (operator === 'NEG') {
+    // Negation is a special case given its different operator precedence.
+    arg = generator.valueToCode(block, 'NUM', Order.UNARY_NEGATION) || '0';
+    if (arg[0] === '-') {
+      // --3 is not legal in JS.
+      arg = ' ' + arg;
+    }
+    code = '-' + arg;
+    return [code, Order.UNARY_NEGATION];
+  }
+  if (operator === 'SIN' || operator === 'COS' || operator === 'TAN') {
+    arg = generator.valueToCode(block, 'NUM', Order.DIVISION) || '0';
+  } else {
+    arg = generator.valueToCode(block, 'NUM', Order.NONE) || '0';
+  }
+  // First, handle cases which generate values that don't need parentheses
+  // wrapping the code.
+  switch (operator) {
+    case 'ABS':
+      code = 'abs(' + arg + ')';
+      break;
+    case 'ROOT':
+      code = 'sqrt(' + arg + ')';
+      break;
+    case 'LN':
+      code = 'log(' + arg + ')';
+      break;
+    case 'EXP':
+      code = 'exp(' + arg + ')';
+      break;
+    case 'POW10':
+      code = 'pow(10,' + arg + ')';
+      break;
+    case 'ROUND':
+      code = 'round(' + arg + ')';
+      break;
+    case 'ROUNDUP':
+      code = 'ceil(' + arg + ')';
+      break;
+    case 'ROUNDDOWN':
+      code = 'floor(' + arg + ')';
+      break;
+    case 'SIN':
+      code = 'sin(' + arg + ' / 180 * pi())';
+      break;
+    case 'COS':
+      code = 'cos(' + arg + ' / 180 * pi())';
+      break;
+    case 'TAN':
+      code = 'tan(' + arg + ' / 180 * pi())';
+      break;
+  }
+  if (code) {
+    return [code, Order.FUNCTION_CALL];
+  }
+  // Second, handle cases which generate values that may need parentheses
+  // wrapping the code.
+  switch (operator) {
+    case 'LOG10':
+      code = 'log(' + arg + ') / log(10)';
+      break;
+    case 'ASIN':
+      code = 'asin(' + arg + ') / pi() * 180';
+      break;
+    case 'ACOS':
+      code = 'acos(' + arg + ') / pi() * 180';
+      break;
+    case 'ATAN':
+      code = 'atan(' + arg + ') / pi() * 180';
+      break;
+    default:
+      throw Error('Unknown math operator: ' + operator);
+  }
+  return [code, Order.DIVISION];
+}
+
+export function math_constant(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
+  const CONSTANTS: Record<string, [string, Order]> = {
+    'PI': ['M_PI', Order.ATOMIC],
+    'E': ['M_E', Order.ATOMIC],
+    'GOLDEN_RATIO': ['(1 + sqrt(5)) / 2', Order.DIVISION],
+    'SQRT2': ['M_SQRT2', Order.ATOMIC],
+    'SQRT1_2': ['M_SQRT1_2', Order.ATOMIC],
+    'INFINITY': ['INF', Order.ATOMIC],
+  };
+  type ConstantOption = keyof typeof CONSTANTS;
+  return CONSTANTS[block.getFieldValue('CONSTANT') as ConstantOption];
+}
+
+export function math_number_property(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Check if a number is even, odd, prime, whole, positive, or negative
+  // or if it is divisible by certain number. Returns true or false.
+  const PROPERTIES: Record<
+    string,
+    [string, string, Order, Order] | [null, null, Order, Order]
+  > = {
+    'EVEN': ['', ' % 2 == 0', Order.MODULUS, Order.EQUALITY],
+    'ODD': ['', ' % 2 == 1', Order.MODULUS, Order.EQUALITY],
+    'WHOLE': ['is_int(', ')', Order.NONE, Order.FUNCTION_CALL],
+    'POSITIVE': ['', ' > 0', Order.RELATIONAL, Order.RELATIONAL],
+    'NEGATIVE': ['', ' < 0', Order.RELATIONAL, Order.RELATIONAL],
+    'DIVISIBLE_BY': [null, null, Order.MODULUS, Order.EQUALITY],
+    'PRIME': [null, null, Order.NONE, Order.FUNCTION_CALL],
+  };
+  type PropertyOption = keyof typeof PROPERTIES;
+  const dropdownProperty = block.getFieldValue('PROPERTY') as PropertyOption;
+  const [prefix, suffix, inputOrder, outputOrder] =
+    PROPERTIES[dropdownProperty];
+  const numberToCheck =
+    generator.valueToCode(block, 'NUMBER_TO_CHECK', inputOrder) || '0';
+  let code;
+  if (dropdownProperty === 'PRIME') {
+    // Prime is a special case as it is not a one-liner test.
+    const functionName = generator.provideFunction_(
+      'math_isPrime',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($n) {
+  // https://en.wikipedia.org/wiki/Primality_test#Naive_methods
+  if ($n == 2 || $n == 3) {
+    return true;
+  }
+  // False if n is NaN, negative, is 1, or not whole.
+  // And false if n is divisible by 2 or 3.
+  if (!is_numeric($n) || $n <= 1 || $n % 1 != 0 || $n % 2 == 0 || $n % 3 == 0) {
+    return false;
+  }
+  // Check all the numbers of form 6k +/- 1, up to sqrt(n).
+  for ($x = 6; $x <= sqrt($n) + 1; $x += 6) {
+    if ($n % ($x - 1) == 0 || $n % ($x + 1) == 0) {
+      return false;
+    }
+  }
+  return true;
+}
+`,
+    );
+    code = functionName + '(' + numberToCheck + ')';
+  } else if (dropdownProperty === 'DIVISIBLE_BY') {
+    const divisor =
+      generator.valueToCode(block, 'DIVISOR', Order.MODULUS) || '0';
+    if (divisor === '0') {
+      return ['false', Order.ATOMIC];
+    }
+    code = numberToCheck + ' % ' + divisor + ' == 0';
+  } else {
+    code = prefix + numberToCheck + suffix;
+  }
+  return [code, outputOrder];
+}
+
+export function math_change(block: Block, generator: PhpGenerator) {
+  // Add to a variable in place.
+  const argument0 =
+    generator.valueToCode(block, 'DELTA', Order.ADDITION) || '0';
+  const varName = generator.getVariableName(block.getFieldValue('VAR'));
+  return varName + ' += ' + argument0 + ';\n';
+}
+
+// Rounding functions have a single operand.
+export const math_round = math_single;
+// Trigonometry functions have a single operand.
+export const math_trig = math_single;
+
+export function math_on_list(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Math functions for lists.
+  const func = block.getFieldValue('OP');
+  let list;
+  let code;
+  switch (func) {
+    case 'SUM':
+      list =
+        generator.valueToCode(block, 'LIST', Order.FUNCTION_CALL) || 'array()';
+      code = 'array_sum(' + list + ')';
+      break;
+    case 'MIN':
+      list =
+        generator.valueToCode(block, 'LIST', Order.FUNCTION_CALL) || 'array()';
+      code = 'min(' + list + ')';
+      break;
+    case 'MAX':
+      list =
+        generator.valueToCode(block, 'LIST', Order.FUNCTION_CALL) || 'array()';
+      code = 'max(' + list + ')';
+      break;
+    case 'AVERAGE': {
+      const functionName = generator.provideFunction_(
+        'math_mean',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($myList) {
+  return array_sum($myList) / count($myList);
+}
+`,
+      );
+      list = generator.valueToCode(block, 'LIST', Order.NONE) || 'array()';
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'MEDIAN': {
+      const functionName = generator.provideFunction_(
+        'math_median',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($arr) {
+  sort($arr,SORT_NUMERIC);
+  return (count($arr) % 2) ? $arr[floor(count($arr) / 2)] :
+      ($arr[floor(count($arr) / 2)] + $arr[floor(count($arr) / 2) - 1]) / 2;
+}
+`,
+      );
+      list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'MODE': {
+      // As a list of numbers can contain more than one mode,
+      // the returned result is provided as an array.
+      // Mode of [3, 'x', 'x', 1, 1, 2, '3'] -> ['x', 1].
+      const functionName = generator.provideFunction_(
+        'math_modes',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($values) {
+  if (empty($values)) return array();
+  $counts = array_count_values($values);
+  arsort($counts); // Sort counts in descending order
+  $modes = array_keys($counts, current($counts), true);
+  return $modes;
+}
+`,
+      );
+      list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'STD_DEV': {
+      const functionName = generator.provideFunction_(
+        'math_standard_deviation',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($numbers) {
+  $n = count($numbers);
+  if (!$n) return null;
+  $mean = array_sum($numbers) / count($numbers);
+  foreach($numbers as $key => $num) $devs[$key] = pow($num - $mean, 2);
+  return sqrt(array_sum($devs) / (count($devs) - 1));
+}
+`,
+      );
+      list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'RANDOM': {
+      const functionName = generator.provideFunction_(
+        'math_random_list',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($list) {
+  $x = rand(0, count($list)-1);
+  return $list[$x];
+}
+`,
+      );
+      list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    default:
+      throw Error('Unknown operator: ' + func);
+  }
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function math_modulo(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Remainder computation.
+  const argument0 =
+    generator.valueToCode(block, 'DIVIDEND', Order.MODULUS) || '0';
+  const argument1 =
+    generator.valueToCode(block, 'DIVISOR', Order.MODULUS) || '0';
+  const code = argument0 + ' % ' + argument1;
+  return [code, Order.MODULUS];
+}
+
+export function math_constrain(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Constrain a number between two limits.
+  const argument0 = generator.valueToCode(block, 'VALUE', Order.NONE) || '0';
+  const argument1 = generator.valueToCode(block, 'LOW', Order.NONE) || '0';
+  const argument2 =
+    generator.valueToCode(block, 'HIGH', Order.NONE) || 'Infinity';
+  const code =
+    'min(max(' + argument0 + ', ' + argument1 + '), ' + argument2 + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function math_random_int(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Random integer between [X] and [Y].
+  const argument0 = generator.valueToCode(block, 'FROM', Order.NONE) || '0';
+  const argument1 = generator.valueToCode(block, 'TO', Order.NONE) || '0';
+  const functionName = generator.provideFunction_(
+    'math_random_int',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($a, $b) {
+  if ($a > $b) {
+    return rand($b, $a);
+  }
+  return rand($a, $b);
+}
+`,
+  );
+  const code = functionName + '(' + argument0 + ', ' + argument1 + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function math_random_float(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Random fraction between 0 and 1.
+  return ['(float)rand()/(float)getrandmax()', Order.FUNCTION_CALL];
+}
+
+export function math_atan2(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Arctangent of point (X, Y) in degrees from -180 to 180.
+  const argument0 = generator.valueToCode(block, 'X', Order.NONE) || '0';
+  const argument1 = generator.valueToCode(block, 'Y', Order.NONE) || '0';
+  return [
+    'atan2(' + argument1 + ', ' + argument0 + ') / pi() * 180',
+    Order.DIVISION,
+  ];
+}
diff --git a/generators/php/php_generator.ts b/generators/php/php_generator.ts
new file mode 100644
index 00000000000..ecdfb76fd01
--- /dev/null
+++ b/generators/php/php_generator.ts
@@ -0,0 +1,320 @@
+/**
+ * @license
+ * Copyright 2015 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file PHP code generator class, including helper methods for
+ * generating PHP for blocks.
+ */
+
+// Former goog.module ID: Blockly.PHP
+
+import * as stringUtils from '../../core/utils/string.js';
+import type {Block} from '../../core/block.js';
+import {CodeGenerator} from '../../core/generator.js';
+import {Names} from '../../core/names.js';
+import type {Workspace} from '../../core/workspace.js';
+import {inputTypes} from '../../core/inputs/input_types.js';
+
+/**
+ * Order of operation ENUMs.
+ * http://php.net/manual/en/language.operators.precedence.php
+ */
+// prettier-ignore
+export enum Order {
+  ATOMIC = 0,             // 0 "" ...
+  CLONE = 1,              // clone
+  NEW = 1,                // new
+  MEMBER = 2.1,           // []
+  FUNCTION_CALL = 2.2,    // ()
+  POWER = 3,              // **
+  INCREMENT = 4,          // ++
+  DECREMENT = 4,          // --
+  BITWISE_NOT = 4,        // ~
+  CAST = 4,               // (int) (float) (string) (array) ...
+  SUPPRESS_ERROR = 4,     // @
+  INSTANCEOF = 5,         // instanceof
+  LOGICAL_NOT = 6,        // !
+  UNARY_PLUS = 7.1,       // +
+  UNARY_NEGATION = 7.2,   // -
+  MULTIPLICATION = 8.1,   // *
+  DIVISION = 8.2,         // /
+  MODULUS = 8.3,          // %
+  ADDITION = 9.1,         // +
+  SUBTRACTION = 9.2,      // -
+  STRING_CONCAT = 9.3,    // .
+  BITWISE_SHIFT = 10,     // << >>
+  RELATIONAL = 11,        // < <= > >=
+  EQUALITY = 12,          // == != === !== <> <=>
+  REFERENCE = 13,         // &
+  BITWISE_AND = 13,       // &
+  BITWISE_XOR = 14,       // ^
+  BITWISE_OR = 15,        // |
+  LOGICAL_AND = 16,       // &&
+  LOGICAL_OR = 17,        // ||
+  IF_NULL = 18,           // ??
+  CONDITIONAL = 19,       // ?:
+  ASSIGNMENT = 20,        // = += -= *= /= %= <<= >>= ...
+  LOGICAL_AND_WEAK = 21,  // and
+  LOGICAL_XOR = 22,       // xor
+  LOGICAL_OR_WEAK = 23,   // or
+  NONE = 99,              // (...)
+}
+
+export class PhpGenerator extends CodeGenerator {
+  /** List of outer-inner pairings that do NOT require parentheses. */
+  ORDER_OVERRIDES: [Order, Order][] = [
+    // (foo()).bar() -> foo().bar()
+    // (foo())[0] -> foo()[0]
+    [Order.MEMBER, Order.FUNCTION_CALL],
+    // (foo[0])[1] -> foo[0][1]
+    // (foo.bar).baz -> foo.bar.baz
+    [Order.MEMBER, Order.MEMBER],
+    // !(!foo) -> !!foo
+    [Order.LOGICAL_NOT, Order.LOGICAL_NOT],
+    // a * (b * c) -> a * b * c
+    [Order.MULTIPLICATION, Order.MULTIPLICATION],
+    // a + (b + c) -> a + b + c
+    [Order.ADDITION, Order.ADDITION],
+    // a && (b && c) -> a && b && c
+    [Order.LOGICAL_AND, Order.LOGICAL_AND],
+    // a || (b || c) -> a || b || c
+    [Order.LOGICAL_OR, Order.LOGICAL_OR],
+  ];
+
+  /** @param name Name of the language the generator is for. */
+  constructor(name = 'PHP') {
+    super(name);
+    this.isInitialized = false;
+
+    // Copy Order values onto instance for backwards compatibility
+    // while ensuring they are not part of the publically-advertised
+    // API.
+    //
+    // TODO(#7085): deprecate these in due course.  (Could initially
+    // replace data properties with get accessors that call
+    // deprecate.warn().)
+    for (const key in Order) {
+      // Must assign Order[key] to a temporary to get the type guard to work;
+      // see https://github.com/microsoft/TypeScript/issues/10530.
+      const value = Order[key];
+      // Skip reverse-lookup entries in the enum.  Due to
+      // https://github.com/microsoft/TypeScript/issues/55713 this (as
+      // of TypeScript 5.5.2) actually narrows the type of value to
+      // never - but that still allows the following assignment to
+      // succeed.
+      if (typeof value === 'string') continue;
+      (this as unknown as Record<string, Order>)['ORDER_' + key] = value;
+    }
+
+    // List of illegal variable names.  This is not intended to be a
+    // security feature.  Blockly is 100% client-side, so bypassing
+    // this list is trivial.  This is intended to prevent users from
+    // accidentally clobbering a built-in object or function.
+    this.addReservedWords(
+      // http://php.net/manual/en/reserved.keywords.php
+      '__halt_compiler,abstract,and,array,as,break,callable,case,catch,class,' +
+        'clone,const,continue,declare,default,die,do,echo,else,elseif,empty,' +
+        'enddeclare,endfor,endforeach,endif,endswitch,endwhile,eval,exit,' +
+        'extends,final,for,foreach,function,global,goto,if,implements,include,' +
+        'include_once,instanceof,insteadof,interface,isset,list,namespace,new,' +
+        'or,print,private,protected,public,require,require_once,return,static,' +
+        'switch,throw,trait,try,unset,use,var,while,xor,' +
+        // http://php.net/manual/en/reserved.constants.php
+        'PHP_VERSION,PHP_MAJOR_VERSION,PHP_MINOR_VERSION,PHP_RELEASE_VERSION,' +
+        'PHP_VERSION_ID,PHP_EXTRA_VERSION,PHP_ZTS,PHP_DEBUG,PHP_MAXPATHLEN,' +
+        'PHP_OS,PHP_SAPI,PHP_EOL,PHP_INT_MAX,PHP_INT_SIZE,DEFAULT_INCLUDE_PATH,' +
+        'PEAR_INSTALL_DIR,PEAR_EXTENSION_DIR,PHP_EXTENSION_DIR,PHP_PREFIX,' +
+        'PHP_BINDIR,PHP_BINARY,PHP_MANDIR,PHP_LIBDIR,PHP_DATADIR,' +
+        'PHP_SYSCONFDIR,PHP_LOCALSTATEDIR,PHP_CONFIG_FILE_PATH,' +
+        'PHP_CONFIG_FILE_SCAN_DIR,PHP_SHLIB_SUFFIX,E_ERROR,E_WARNING,E_PARSE,' +
+        'E_NOTICE,E_CORE_ERROR,E_CORE_WARNING,E_COMPILE_ERROR,' +
+        'E_COMPILE_WARNING,E_USER_ERROR,E_USER_WARNING,E_USER_NOTICE,' +
+        'E_DEPRECATED,E_USER_DEPRECATED,E_ALL,E_STRICT,' +
+        '__COMPILER_HALT_OFFSET__,TRUE,FALSE,NULL,__CLASS__,__DIR__,__FILE__,' +
+        '__FUNCTION__,__LINE__,__METHOD__,__NAMESPACE__,__TRAIT__',
+    );
+  }
+
+  /**
+   * Initialise the database of variable names.
+   *
+   * @param workspace Workspace to generate code from.
+   */
+  init(workspace: Workspace) {
+    super.init(workspace);
+
+    if (!this.nameDB_) {
+      this.nameDB_ = new Names(this.RESERVED_WORDS_, '$');
+    } else {
+      this.nameDB_.reset();
+    }
+
+    this.nameDB_.setVariableMap(workspace.getVariableMap());
+    this.nameDB_.populateVariables(workspace);
+    this.nameDB_.populateProcedures(workspace);
+
+    this.isInitialized = true;
+  }
+
+  /**
+   * Prepend the generated code with the variable definitions.
+   *
+   * @param code Generated code.
+   * @returns Completed code.
+   */
+  finish(code: string): string {
+    // Convert the definitions dictionary into a list.
+    const definitions = Object.values(this.definitions_);
+    // Call Blockly.CodeGenerator's finish.
+    code = super.finish(code);
+    this.isInitialized = false;
+
+    this.nameDB_!.reset();
+    return definitions.join('\n\n') + '\n\n\n' + code;
+  }
+
+  /**
+   * Naked values are top-level blocks with outputs that aren't plugged into
+   * anything.
+   *
+   * @param line Line of generated code.
+   * @returns Legal line of code.
+   */
+  scrubNakedValue(line: string): string {
+    return line + ';\n';
+  }
+
+  /**
+   * Encode a string as a properly escaped PHP string, complete with
+   * quotes.
+   *
+   * @param string Text to encode.
+   * @returns PHP string.
+   */
+  quote_(string: string): string {
+    string = string
+      .replace(/\\/g, '\\\\')
+      .replace(/\n/g, '\\\n')
+      .replace(/'/g, "\\'");
+    return "'" + string + "'";
+  }
+
+  /**
+   * Encode a string as a properly escaped multiline PHP string, complete with
+   * quotes.
+   * @param string Text to encode.
+   * @returns PHP string.
+   */
+  multiline_quote_(string: string): string {
+    const lines = string.split(/\n/g).map(this.quote_);
+    // Join with the following, plus a newline:
+    // . "\n" .
+    // Newline escaping only works in double-quoted strings.
+    return lines.join(' . "\\n" .\n');
+  }
+
+  /**
+   * Common tasks for generating PHP from blocks.
+   * Handles comments for the specified block and any connected value blocks.
+   * Calls any statements following this block.
+   *
+   * @param block The current block.
+   * @param code The PHP code created for this block.
+   * @param thisOnly True to generate code for only this statement.
+   * @returns PHP code with comments and subsequent blocks added.
+   */
+  scrub_(block: Block, code: string, thisOnly = false): string {
+    let commentCode = '';
+    // Only collect comments for blocks that aren't inline.
+    if (!block.outputConnection || !block.outputConnection.targetConnection) {
+      // Collect comment for this block.
+      let comment = block.getCommentText();
+      if (comment) {
+        comment = stringUtils.wrap(comment, this.COMMENT_WRAP - 3);
+        commentCode += this.prefixLines(comment, '// ') + '\n';
+      }
+      // Collect comments for all value arguments.
+      // Don't collect comments for nested statements.
+      for (let i = 0; i < block.inputList.length; i++) {
+        if (block.inputList[i].type === inputTypes.VALUE) {
+          const childBlock = block.inputList[i].connection!.targetBlock();
+          if (childBlock) {
+            comment = this.allNestedComments(childBlock);
+            if (comment) {
+              commentCode += this.prefixLines(comment, '// ');
+            }
+          }
+        }
+      }
+    }
+    const nextBlock =
+      block.nextConnection && block.nextConnection.targetBlock();
+    const nextCode = thisOnly ? '' : this.blockToCode(nextBlock);
+    return commentCode + code + nextCode;
+  }
+
+  /**
+   * Generate code representing the specified value input, adjusted to take into
+   * account indexing (zero- or one-based) and optionally by a specified delta
+   * and/or by negation.
+   *
+   * @param block The block.
+   * @param atId The ID of the input block to get (and adjust) the value of.
+   * @param delta Value to add.
+   * @param negate Whether to negate the value.
+   * @param order The highest order acting on this value.
+   * @returns The adjusted value or code that evaluates to it.
+   */
+  getAdjusted(
+    block: Block,
+    atId: string,
+    delta = 0,
+    negate = false,
+    order = Order.NONE,
+  ): string {
+    if (block.workspace.options.oneBasedIndex) {
+      delta--;
+    }
+    let defaultAtIndex = block.workspace.options.oneBasedIndex ? '1' : '0';
+
+    let orderForInput = order;
+    if (delta > 0) {
+      orderForInput = Order.ADDITION;
+    } else if (delta < 0) {
+      orderForInput = Order.SUBTRACTION;
+    } else if (negate) {
+      orderForInput = Order.UNARY_NEGATION;
+    }
+
+    let at = this.valueToCode(block, atId, orderForInput) || defaultAtIndex;
+
+    // Easy case: no adjustments.
+    if (delta === 0 && !negate) {
+      return at;
+    }
+    // If the index is a naked number, adjust it right now.
+    if (stringUtils.isNumber(at)) {
+      at = String(Number(at) + delta);
+      if (negate) {
+        at = String(-Number(at));
+      }
+      return at;
+    }
+    // If the index is dynamic, adjust it in code.
+    if (delta > 0) {
+      at = `${at} + ${delta}`;
+    } else if (delta < 0) {
+      at = `${at} - ${-delta}`;
+    }
+    if (negate) {
+      at = delta ? `-(${at})` : `-${at}`;
+    }
+    if (Math.floor(order) >= Math.floor(orderForInput)) {
+      at = `(${at})`;
+    }
+    return at;
+  }
+}
diff --git a/generators/php/procedures.js b/generators/php/procedures.js
deleted file mode 100644
index d3b39e477c6..00000000000
--- a/generators/php/procedures.js
+++ /dev/null
@@ -1,132 +0,0 @@
-/**
- * @license
- * Copyright 2015 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating PHP for procedure blocks.
- * @author daarond@gmail.com (Daaron Dwyer)
- */
-'use strict';
-
-goog.provide('Blockly.PHP.procedures');
-
-goog.require('Blockly.PHP');
-
-Blockly.PHP['procedures_defreturn'] = function(block) {
-  // Define a procedure with a return value.
-  // First, add a 'global' statement for every variable that is not shadowed by
-  // a local parameter.
-  var globals = [];
-  var varName;
-  var workspace = block.workspace;
-  var variables = Blockly.Variables.allUsedVarModels(workspace) || [];
-  for (var i = 0, variable; variable = variables[i]; i++) {
-    varName = variable.name;
-    if (block.getVars().indexOf(varName) == -1) {
-      globals.push(Blockly.PHP.variableDB_.getName(varName,
-          Blockly.VARIABLE_CATEGORY_NAME));
-    }
-  }
-  // Add developer variables.
-  var devVarList = Blockly.Variables.allDeveloperVariables(workspace);
-  for (var i = 0; i < devVarList.length; i++) {
-    globals.push(Blockly.PHP.variableDB_.getName(devVarList[i],
-        Blockly.Names.DEVELOPER_VARIABLE_TYPE));
-  }
-  globals = globals.length ?
-      Blockly.PHP.INDENT + 'global ' + globals.join(', ') + ';\n' : '';
-
-  var funcName = Blockly.PHP.variableDB_.getName(
-      block.getFieldValue('NAME'), Blockly.PROCEDURE_CATEGORY_NAME);
-  var xfix1 = '';
-  if (Blockly.PHP.STATEMENT_PREFIX) {
-    xfix1 += Blockly.PHP.injectId(Blockly.PHP.STATEMENT_PREFIX, block);
-  }
-  if (Blockly.PHP.STATEMENT_SUFFIX) {
-    xfix1 += Blockly.PHP.injectId(Blockly.PHP.STATEMENT_SUFFIX, block);
-  }
-  if (xfix1) {
-    xfix1 = Blockly.PHP.prefixLines(xfix1, Blockly.PHP.INDENT);
-  }
-  var loopTrap = '';
-  if (Blockly.PHP.INFINITE_LOOP_TRAP) {
-    loopTrap = Blockly.PHP.prefixLines(
-        Blockly.PHP.injectId(Blockly.PHP.INFINITE_LOOP_TRAP, block),
-        Blockly.PHP.INDENT);
-  }
-  var branch = Blockly.PHP.statementToCode(block, 'STACK');
-  var returnValue = Blockly.PHP.valueToCode(block, 'RETURN',
-      Blockly.PHP.ORDER_NONE) || '';
-  var xfix2 = '';
-  if (branch && returnValue) {
-    // After executing the function body, revisit this block for the return.
-    xfix2 = xfix1;
-  }
-  if (returnValue) {
-    returnValue = Blockly.PHP.INDENT + 'return ' + returnValue + ';\n';
-  }
-  var args = [];
-  var variables = block.getVars();
-  for (var i = 0; i < variables.length; i++) {
-    args[i] = Blockly.PHP.variableDB_.getName(variables[i],
-        Blockly.VARIABLE_CATEGORY_NAME);
-  }
-  var code = 'function ' + funcName + '(' + args.join(', ') + ') {\n' +
-      globals + xfix1 + loopTrap + branch + xfix2 + returnValue + '}';
-  code = Blockly.PHP.scrub_(block, code);
-  // Add % so as not to collide with helper functions in definitions list.
-  Blockly.PHP.definitions_['%' + funcName] = code;
-  return null;
-};
-
-// Defining a procedure without a return value uses the same generator as
-// a procedure with a return value.
-Blockly.PHP['procedures_defnoreturn'] =
-    Blockly.PHP['procedures_defreturn'];
-
-Blockly.PHP['procedures_callreturn'] = function(block) {
-  // Call a procedure with a return value.
-  var funcName = Blockly.PHP.variableDB_.getName(
-      block.getFieldValue('NAME'), Blockly.PROCEDURE_CATEGORY_NAME);
-  var args = [];
-  var variables = block.getVars();
-  for (var i = 0; i < variables.length; i++) {
-    args[i] = Blockly.PHP.valueToCode(block, 'ARG' + i,
-        Blockly.PHP.ORDER_COMMA) || 'null';
-  }
-  var code = funcName + '(' + args.join(', ') + ')';
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['procedures_callnoreturn'] = function(block) {
-  // Call a procedure with no return value.
-  // Generated code is for a function call as a statement is the same as a
-  // function call as a value, with the addition of line ending.
-  var tuple = Blockly.PHP['procedures_callreturn'](block);
-  return tuple[0] + ';\n';
-};
-
-Blockly.PHP['procedures_ifreturn'] = function(block) {
-  // Conditionally return value from a procedure.
-  var condition = Blockly.PHP.valueToCode(block, 'CONDITION',
-      Blockly.PHP.ORDER_NONE) || 'false';
-  var code = 'if (' + condition + ') {\n';
-  if (Blockly.PHP.STATEMENT_SUFFIX) {
-    // Inject any statement suffix here since the regular one at the end
-    // will not get executed if the return is triggered.
-    code += Blockly.PHP.prefixLines(
-        Blockly.PHP.injectId(Blockly.PHP.STATEMENT_SUFFIX, block),
-        Blockly.PHP.INDENT);
-  }
-  if (block.hasReturnValue_) {
-    var value = Blockly.PHP.valueToCode(block, 'VALUE',
-        Blockly.PHP.ORDER_NONE) || 'null';
-    code += Blockly.PHP.INDENT + 'return ' + value + ';\n';
-  } else {
-    code += Blockly.PHP.INDENT + 'return;\n';
-  }
-  code += '}\n';
-  return code;
-};
diff --git a/generators/php/procedures.ts b/generators/php/procedures.ts
new file mode 100644
index 00000000000..acf84aea658
--- /dev/null
+++ b/generators/php/procedures.ts
@@ -0,0 +1,159 @@
+/**
+ * @license
+ * Copyright 2015 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating PHP for procedure blocks.
+ */
+
+// Former goog.module ID: Blockly.PHP.procedures
+
+import * as Variables from '../../core/variables.js';
+import type {Block} from '../../core/block.js';
+import type {IfReturnBlock} from '../../blocks/procedures.js';
+import {NameType} from '../../core/names.js';
+import {Order} from './php_generator.js';
+import type {PhpGenerator} from './php_generator.js';
+
+export function procedures_defreturn(block: Block, generator: PhpGenerator) {
+  // Define a procedure with a return value.
+  // First, add a 'global' statement for every variable that is not shadowed by
+  // a local parameter.
+  const globals = [];
+  const workspace = block.workspace;
+  const usedVariables = Variables.allUsedVarModels(workspace) || [];
+  for (const variable of usedVariables) {
+    const varName = variable.name;
+    // getVars returns parameter names, not ids, for procedure blocks
+    if (!block.getVars().includes(varName)) {
+      globals.push(generator.getVariableName(varName));
+    }
+  }
+  // Add developer variables.
+  const devVarList = Variables.allDeveloperVariables(workspace);
+  for (let i = 0; i < devVarList.length; i++) {
+    globals.push(
+      generator.nameDB_!.getName(devVarList[i], NameType.DEVELOPER_VARIABLE),
+    );
+  }
+  const globalStr = globals.length
+    ? generator.INDENT + 'global ' + globals.join(', ') + ';\n'
+    : '';
+
+  const funcName = generator.getProcedureName(block.getFieldValue('NAME'));
+  let xfix1 = '';
+  if (generator.STATEMENT_PREFIX) {
+    xfix1 += generator.injectId(generator.STATEMENT_PREFIX, block);
+  }
+  if (generator.STATEMENT_SUFFIX) {
+    xfix1 += generator.injectId(generator.STATEMENT_SUFFIX, block);
+  }
+  if (xfix1) {
+    xfix1 = generator.prefixLines(xfix1, generator.INDENT);
+  }
+  let loopTrap = '';
+  if (generator.INFINITE_LOOP_TRAP) {
+    loopTrap = generator.prefixLines(
+      generator.injectId(generator.INFINITE_LOOP_TRAP, block),
+      generator.INDENT,
+    );
+  }
+  let branch = '';
+  if (block.getInput('STACK')) {
+    // The 'procedures_defreturn' block might not have a STACK input.
+    branch = generator.statementToCode(block, 'STACK');
+  }
+  let returnValue = '';
+  if (block.getInput('RETURN')) {
+    // The 'procedures_defnoreturn' block (which shares this code)
+    // does not have a RETURN input.
+    returnValue = generator.valueToCode(block, 'RETURN', Order.NONE) || '';
+  }
+  let xfix2 = '';
+  if (branch && returnValue) {
+    // After executing the function body, revisit this block for the return.
+    xfix2 = xfix1;
+  }
+  if (returnValue) {
+    returnValue = generator.INDENT + 'return ' + returnValue + ';\n';
+  }
+  const args = [];
+  const variables = block.getVars();
+  for (let i = 0; i < variables.length; i++) {
+    args[i] = generator.getVariableName(variables[i]);
+  }
+  let code =
+    'function ' +
+    funcName +
+    '(' +
+    args.join(', ') +
+    ') {\n' +
+    globalStr +
+    xfix1 +
+    loopTrap +
+    branch +
+    xfix2 +
+    returnValue +
+    '}';
+  code = generator.scrub_(block, code);
+  // Add % so as not to collide with helper functions in definitions list.
+  // TODO(#7600): find better approach than casting to any to override
+  // CodeGenerator declaring .definitions protected.
+  (generator as AnyDuringMigration).definitions_['%' + funcName] = code;
+  return null;
+}
+
+// Defining a procedure without a return value uses the same generator as
+// a procedure with a return value.
+export const procedures_defnoreturn = procedures_defreturn;
+
+export function procedures_callreturn(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Call a procedure with a return value.
+  const funcName = generator.getProcedureName(block.getFieldValue('NAME'));
+  const args = [];
+  const variables = block.getVars();
+  for (let i = 0; i < variables.length; i++) {
+    args[i] = generator.valueToCode(block, 'ARG' + i, Order.NONE) || 'null';
+  }
+  const code = funcName + '(' + args.join(', ') + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function procedures_callnoreturn(block: Block, generator: PhpGenerator) {
+  // Call a procedure with no return value.
+  // Generated code is for a function call as a statement is the same as a
+  // function call as a value, with the addition of line ending.
+  const tuple = generator.forBlock['procedures_callreturn'](
+    block,
+    generator,
+  ) as [string, Order];
+  return tuple[0] + ';\n';
+}
+
+export function procedures_ifreturn(block: Block, generator: PhpGenerator) {
+  // Conditionally return value from a procedure.
+  const condition =
+    generator.valueToCode(block, 'CONDITION', Order.NONE) || 'false';
+  let code = 'if (' + condition + ') {\n';
+  if (generator.STATEMENT_SUFFIX) {
+    // Inject any statement suffix here since the regular one at the end
+    // will not get executed if the return is triggered.
+    code += generator.prefixLines(
+      generator.injectId(generator.STATEMENT_SUFFIX, block),
+      generator.INDENT,
+    );
+  }
+  if ((block as IfReturnBlock).hasReturnValue_) {
+    const value = generator.valueToCode(block, 'VALUE', Order.NONE) || 'null';
+    code += generator.INDENT + 'return ' + value + ';\n';
+  } else {
+    code += generator.INDENT + 'return;\n';
+  }
+  code += '}\n';
+  return code;
+}
diff --git a/generators/php/text.js b/generators/php/text.js
deleted file mode 100644
index 9bb11211779..00000000000
--- a/generators/php/text.js
+++ /dev/null
@@ -1,271 +0,0 @@
-/**
- * @license
- * Copyright 2015 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating PHP for text blocks.
- * @author daarond@gmail.com (Daaron Dwyer)
- */
-'use strict';
-
-goog.provide('Blockly.PHP.texts');
-
-goog.require('Blockly.PHP');
-
-
-Blockly.PHP['text'] = function(block) {
-  // Text value.
-  var code = Blockly.PHP.quote_(block.getFieldValue('TEXT'));
-  return [code, Blockly.PHP.ORDER_ATOMIC];
-};
-
-Blockly.PHP['text_multiline'] = function(block) {
-  // Text value.
-  var code = Blockly.PHP.multiline_quote_(block.getFieldValue('TEXT'));
-  return [code, Blockly.PHP.ORDER_ATOMIC];
-};
-
-Blockly.PHP['text_join'] = function(block) {
-  // Create a string made up of any number of elements of any type.
-  if (block.itemCount_ == 0) {
-    return ['\'\'', Blockly.PHP.ORDER_ATOMIC];
-  } else if (block.itemCount_ == 1) {
-    var element = Blockly.PHP.valueToCode(block, 'ADD0',
-        Blockly.PHP.ORDER_NONE) || '\'\'';
-    var code = element;
-    return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-  } else if (block.itemCount_ == 2) {
-    var element0 = Blockly.PHP.valueToCode(block, 'ADD0',
-        Blockly.PHP.ORDER_ATOMIC) || '\'\'';
-    var element1 = Blockly.PHP.valueToCode(block, 'ADD1',
-        Blockly.PHP.ORDER_ATOMIC) || '\'\'';
-    var code = element0 + ' . ' + element1;
-    return [code, Blockly.PHP.ORDER_STRING_CONCAT];
-  } else {
-    var elements = new Array(block.itemCount_);
-    for (var i = 0; i < block.itemCount_; i++) {
-      elements[i] = Blockly.PHP.valueToCode(block, 'ADD' + i,
-          Blockly.PHP.ORDER_COMMA) || '\'\'';
-    }
-    var code = 'implode(\'\', array(' + elements.join(',') + '))';
-    return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-  }
-};
-
-Blockly.PHP['text_append'] = function(block) {
-  // Append to a variable in place.
-  var varName = Blockly.PHP.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  var value = Blockly.PHP.valueToCode(block, 'TEXT',
-      Blockly.PHP.ORDER_ASSIGNMENT) || '\'\'';
-  return varName + ' .= ' + value + ';\n';
-};
-
-Blockly.PHP['text_length'] = function(block) {
-  // String or array length.
-  var functionName = Blockly.PHP.provideFunction_(
-      'length',
-      ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ + '($value) {',
-       '  if (is_string($value)) {',
-       '    return strlen($value);',
-       '  } else {',
-       '    return count($value);',
-       '  }',
-       '}']);
-  var text = Blockly.PHP.valueToCode(block, 'VALUE',
-      Blockly.PHP.ORDER_NONE) || '\'\'';
-  return [functionName + '(' + text + ')', Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['text_isEmpty'] = function(block) {
-  // Is the string null or array empty?
-  var text = Blockly.PHP.valueToCode(block, 'VALUE',
-      Blockly.PHP.ORDER_NONE) || '\'\'';
-  return ['empty(' + text + ')', Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['text_indexOf'] = function(block) {
-  // Search the text for a substring.
-  var operator = block.getFieldValue('END') == 'FIRST' ?
-      'strpos' : 'strrpos';
-  var substring = Blockly.PHP.valueToCode(block, 'FIND',
-      Blockly.PHP.ORDER_NONE) || '\'\'';
-  var text = Blockly.PHP.valueToCode(block, 'VALUE',
-      Blockly.PHP.ORDER_NONE) || '\'\'';
-  if (block.workspace.options.oneBasedIndex) {
-    var errorIndex = ' 0';
-    var indexAdjustment = ' + 1';
-  } else {
-    var errorIndex = ' -1';
-    var indexAdjustment = '';
-  }
-  var functionName = Blockly.PHP.provideFunction_(
-      block.getFieldValue('END') == 'FIRST' ?
-          'text_indexOf' : 'text_lastIndexOf',
-      ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-          '($text, $search) {',
-       '  $pos = ' + operator + '($text, $search);',
-       '  return $pos === false ? ' + errorIndex + ' : $pos' +
-          indexAdjustment + ';',
-       '}']);
-  var code = functionName + '(' + text + ', ' + substring + ')';
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['text_charAt'] = function(block) {
-  // Get letter at index.
-  var where = block.getFieldValue('WHERE') || 'FROM_START';
-  var textOrder = (where == 'RANDOM') ? Blockly.PHP.ORDER_NONE :
-      Blockly.PHP.ORDER_COMMA;
-  var text = Blockly.PHP.valueToCode(block, 'VALUE', textOrder) || '\'\'';
-  switch (where) {
-    case 'FIRST':
-      var code = 'substr(' + text + ', 0, 1)';
-      return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-    case 'LAST':
-      var code = 'substr(' + text + ', -1)';
-      return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-    case 'FROM_START':
-      var at = Blockly.PHP.getAdjusted(block, 'AT');
-      var code = 'substr(' + text + ', ' + at + ', 1)';
-      return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-    case 'FROM_END':
-      var at = Blockly.PHP.getAdjusted(block, 'AT', 1, true);
-      var code = 'substr(' + text + ', ' + at + ', 1)';
-      return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-    case 'RANDOM':
-      var functionName = Blockly.PHP.provideFunction_(
-          'text_random_letter',
-          ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ + '($text) {',
-           '  return $text[rand(0, strlen($text) - 1)];',
-           '}']);
-      code = functionName + '(' + text + ')';
-      return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-  }
-  throw Error('Unhandled option (text_charAt).');
-};
-
-Blockly.PHP['text_getSubstring'] = function(block) {
-  // Get substring.
-  var text = Blockly.PHP.valueToCode(block, 'STRING',
-      Blockly.PHP.ORDER_FUNCTION_CALL) || '\'\'';
-  var where1 = block.getFieldValue('WHERE1');
-  var where2 = block.getFieldValue('WHERE2');
-  if (where1 == 'FIRST' && where2 == 'LAST') {
-    var code = text;
-  } else {
-    var at1 = Blockly.PHP.getAdjusted(block, 'AT1');
-    var at2 = Blockly.PHP.getAdjusted(block, 'AT2');
-    var functionName = Blockly.PHP.provideFunction_(
-        'text_get_substring',
-        ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
-            '($text, $where1, $at1, $where2, $at2) {',
-         '  if ($where1 == \'FROM_END\') {',
-         '    $at1 = strlen($text) - 1 - $at1;',
-         '  } else if ($where1 == \'FIRST\') {',
-         '    $at1 = 0;',
-         '  } else if ($where1 != \'FROM_START\') {',
-         '    throw new Exception(\'Unhandled option (text_get_substring).\');',
-         '  }',
-         '  $length = 0;',
-         '  if ($where2 == \'FROM_START\') {',
-         '    $length = $at2 - $at1 + 1;',
-         '  } else if ($where2 == \'FROM_END\') {',
-         '    $length = strlen($text) - $at1 - $at2;',
-         '  } else if ($where2 == \'LAST\') {',
-         '    $length = strlen($text) - $at1;',
-         '  } else {',
-         '    throw new Exception(\'Unhandled option (text_get_substring).\');',
-         '  }',
-         '  return substr($text, $at1, $length);',
-         '}']);
-    var code = functionName + '(' + text + ', \'' +
-        where1 + '\', ' + at1 + ', \'' + where2 + '\', ' + at2 + ')';
-  }
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['text_changeCase'] = function(block) {
-  // Change capitalization.
-  var text = Blockly.PHP.valueToCode(block, 'TEXT',
-          Blockly.PHP.ORDER_NONE) || '\'\'';
-  if (block.getFieldValue('CASE') == 'UPPERCASE') {
-    var code = 'strtoupper(' + text + ')';
-  } else if (block.getFieldValue('CASE') == 'LOWERCASE') {
-    var code = 'strtolower(' + text + ')';
-  } else if (block.getFieldValue('CASE') == 'TITLECASE') {
-    var code = 'ucwords(strtolower(' + text + '))';
-  }
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['text_trim'] = function(block) {
-  // Trim spaces.
-  var OPERATORS = {
-    'LEFT': 'ltrim',
-    'RIGHT': 'rtrim',
-    'BOTH': 'trim'
-  };
-  var operator = OPERATORS[block.getFieldValue('MODE')];
-  var text = Blockly.PHP.valueToCode(block, 'TEXT',
-      Blockly.PHP.ORDER_NONE) || '\'\'';
-  return [operator + '(' + text + ')', Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['text_print'] = function(block) {
-  // Print statement.
-  var msg = Blockly.PHP.valueToCode(block, 'TEXT',
-      Blockly.PHP.ORDER_NONE) || '\'\'';
-  return 'print(' + msg + ');\n';
-};
-
-Blockly.PHP['text_prompt_ext'] = function(block) {
-  // Prompt function.
-  if (block.getField('TEXT')) {
-    // Internal message.
-    var msg = Blockly.PHP.quote_(block.getFieldValue('TEXT'));
-  } else {
-    // External message.
-    var msg = Blockly.PHP.valueToCode(block, 'TEXT',
-        Blockly.PHP.ORDER_NONE) || '\'\'';
-  }
-  var code = 'readline(' + msg + ')';
-  var toNumber = block.getFieldValue('TYPE') == 'NUMBER';
-  if (toNumber) {
-    code = 'floatval(' + code + ')';
-  }
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['text_prompt'] = Blockly.PHP['text_prompt_ext'];
-
-Blockly.PHP['text_count'] = function(block) {
-  var text = Blockly.PHP.valueToCode(block, 'TEXT',
-      Blockly.PHP.ORDER_MEMBER) || '\'\'';
-  var sub = Blockly.PHP.valueToCode(block, 'SUB',
-      Blockly.PHP.ORDER_NONE) || '\'\'';
-  var code = 'strlen(' + sub + ') === 0'
-    + ' ? strlen(' + text + ') + 1'
-    + ' : substr_count(' + text + ', ' + sub + ')';
-  return [code, Blockly.PHP.ORDER_CONDITIONAL];
-};
-
-Blockly.PHP['text_replace'] = function(block) {
-  var text = Blockly.PHP.valueToCode(block, 'TEXT',
-      Blockly.PHP.ORDER_MEMBER) || '\'\'';
-  var from = Blockly.PHP.valueToCode(block, 'FROM',
-      Blockly.PHP.ORDER_NONE) || '\'\'';
-  var to = Blockly.PHP.valueToCode(block, 'TO',
-      Blockly.PHP.ORDER_NONE) || '\'\'';
-  var code = 'str_replace(' + from + ', ' + to + ', ' + text + ')';
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
-
-Blockly.PHP['text_reverse'] = function(block) {
-  var text = Blockly.PHP.valueToCode(block, 'TEXT',
-      Blockly.PHP.ORDER_MEMBER) || '\'\'';
-  var code = 'strrev(' + text + ')';
-  return [code, Blockly.PHP.ORDER_FUNCTION_CALL];
-};
diff --git a/generators/php/text.ts b/generators/php/text.ts
new file mode 100644
index 00000000000..811e0251fb3
--- /dev/null
+++ b/generators/php/text.ts
@@ -0,0 +1,315 @@
+/**
+ * @license
+ * Copyright 2015 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating PHP for text blocks.
+ */
+
+// Former goog.module ID: Blockly.PHP.texts
+
+import type {Block} from '../../core/block.js';
+import type {JoinMutatorBlock} from '../../blocks/text.js';
+import {Order} from './php_generator.js';
+import type {PhpGenerator} from './php_generator.js';
+
+export function text(block: Block, generator: PhpGenerator): [string, Order] {
+  // Text value.
+  const code = generator.quote_(block.getFieldValue('TEXT'));
+  return [code, Order.ATOMIC];
+}
+
+export function text_join(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Create a string made up of any number of elements of any type.
+  const joinBlock = block as JoinMutatorBlock;
+  if (joinBlock.itemCount_ === 0) {
+    return ["''", Order.ATOMIC];
+  } else if (joinBlock.itemCount_ === 1) {
+    const element = generator.valueToCode(block, 'ADD0', Order.NONE) || "''";
+    const code = element;
+    return [code, Order.NONE];
+  } else if (joinBlock.itemCount_ === 2) {
+    const element0 =
+      generator.valueToCode(block, 'ADD0', Order.STRING_CONCAT) || "''";
+    const element1 =
+      generator.valueToCode(block, 'ADD1', Order.STRING_CONCAT) || "''";
+    const code = element0 + ' . ' + element1;
+    return [code, Order.STRING_CONCAT];
+  } else {
+    const elements = new Array(joinBlock.itemCount_);
+    for (let i = 0; i < joinBlock.itemCount_; i++) {
+      elements[i] = generator.valueToCode(block, 'ADD' + i, Order.NONE) || "''";
+    }
+    const code = "implode('', array(" + elements.join(',') + '))';
+    return [code, Order.FUNCTION_CALL];
+  }
+}
+
+export function text_append(block: Block, generator: PhpGenerator) {
+  // Append to a variable in place.
+  const varName = generator.getVariableName(block.getFieldValue('VAR'));
+  const value = generator.valueToCode(block, 'TEXT', Order.ASSIGNMENT) || "''";
+  return varName + ' .= ' + value + ';\n';
+}
+
+export function text_length(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // String or array length.
+  const functionName = generator.provideFunction_(
+    'length',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($value) {
+  if (is_string($value)) {
+    return strlen($value);
+  }
+  return count($value);
+}
+`,
+  );
+  const text = generator.valueToCode(block, 'VALUE', Order.NONE) || "''";
+  return [functionName + '(' + text + ')', Order.FUNCTION_CALL];
+}
+
+export function text_isEmpty(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Is the string null or array empty?
+  const text = generator.valueToCode(block, 'VALUE', Order.NONE) || "''";
+  return ['empty(' + text + ')', Order.FUNCTION_CALL];
+}
+
+export function text_indexOf(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Search the text for a substring.
+  const operator =
+    block.getFieldValue('END') === 'FIRST' ? 'strpos' : 'strrpos';
+  const substring = generator.valueToCode(block, 'FIND', Order.NONE) || "''";
+  const text = generator.valueToCode(block, 'VALUE', Order.NONE) || "''";
+  let errorIndex = ' -1';
+  let indexAdjustment = '';
+  if (block.workspace.options.oneBasedIndex) {
+    errorIndex = ' 0';
+    indexAdjustment = ' + 1';
+  }
+  const functionName = generator.provideFunction_(
+    block.getFieldValue('END') === 'FIRST'
+      ? 'text_indexOf'
+      : 'text_lastIndexOf',
+    `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($text, $search) {
+  $pos = ${operator}($text, $search);
+  return $pos === false ? ${errorIndex} : $pos${indexAdjustment};
+}
+`,
+  );
+  const code = functionName + '(' + text + ', ' + substring + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function text_charAt(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Get letter at index.
+  const where = block.getFieldValue('WHERE') || 'FROM_START';
+  const textOrder = where === 'RANDOM' ? Order.NONE : Order.NONE;
+  const text = generator.valueToCode(block, 'VALUE', textOrder) || "''";
+  switch (where) {
+    case 'FIRST': {
+      const code = 'substr(' + text + ', 0, 1)';
+      return [code, Order.FUNCTION_CALL];
+    }
+    case 'LAST': {
+      const code = 'substr(' + text + ', -1)';
+      return [code, Order.FUNCTION_CALL];
+    }
+    case 'FROM_START': {
+      const at = generator.getAdjusted(block, 'AT');
+      const code = 'substr(' + text + ', ' + at + ', 1)';
+      return [code, Order.FUNCTION_CALL];
+    }
+    case 'FROM_END': {
+      const at = generator.getAdjusted(block, 'AT', 1, true);
+      const code = 'substr(' + text + ', ' + at + ', 1)';
+      return [code, Order.FUNCTION_CALL];
+    }
+    case 'RANDOM': {
+      const functionName = generator.provideFunction_(
+        'text_random_letter',
+        `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($text) {
+  return $text[rand(0, strlen($text) - 1)];
+}
+`,
+      );
+      const code = functionName + '(' + text + ')';
+      return [code, Order.FUNCTION_CALL];
+    }
+  }
+  throw Error('Unhandled option (text_charAt).');
+}
+
+export function text_getSubstring(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Get substring.
+  const where1 = block.getFieldValue('WHERE1');
+  const where2 = block.getFieldValue('WHERE2');
+  const text = generator.valueToCode(block, 'STRING', Order.NONE) || "''";
+  if (where1 === 'FIRST' && where2 === 'LAST') {
+    const code = text;
+    return [code, Order.NONE];
+  } else {
+    const at1 = generator.getAdjusted(block, 'AT1');
+    const at2 = generator.getAdjusted(block, 'AT2');
+    const functionName = generator.provideFunction_(
+      'text_get_substring',
+      `
+function ${generator.FUNCTION_NAME_PLACEHOLDER_}($text, $where1, $at1, $where2, $at2) {
+  if ($where1 == 'FROM_END') {
+    $at1 = strlen($text) - 1 - $at1;
+  } else if ($where1 == 'FIRST') {
+    $at1 = 0;
+  } else if ($where1 != 'FROM_START') {
+    throw new Exception('Unhandled option (text_get_substring).');
+  }
+  $length = 0;
+  if ($where2 == 'FROM_START') {
+    $length = $at2 - $at1 + 1;
+  } else if ($where2 == 'FROM_END') {
+    $length = strlen($text) - $at1 - $at2;
+  } else if ($where2 == 'LAST') {
+    $length = strlen($text) - $at1;
+  } else {
+    throw new Exception('Unhandled option (text_get_substring).');
+  }
+  return substr($text, $at1, $length);
+}
+`,
+    );
+    const code =
+      functionName +
+      '(' +
+      text +
+      ", '" +
+      where1 +
+      "', " +
+      at1 +
+      ", '" +
+      where2 +
+      "', " +
+      at2 +
+      ')';
+    return [code, Order.FUNCTION_CALL];
+  }
+}
+
+export function text_changeCase(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Change capitalization.
+  const text = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  let code;
+  if (block.getFieldValue('CASE') === 'UPPERCASE') {
+    code = 'strtoupper(' + text + ')';
+  } else if (block.getFieldValue('CASE') === 'LOWERCASE') {
+    code = 'strtolower(' + text + ')';
+  } else if (block.getFieldValue('CASE') === 'TITLECASE') {
+    code = 'ucwords(strtolower(' + text + '))';
+  }
+  return [code as string, Order.FUNCTION_CALL];
+}
+
+export function text_trim(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Trim spaces.
+  const OPERATORS = {'LEFT': 'ltrim', 'RIGHT': 'rtrim', 'BOTH': 'trim'};
+  type OperatorOption = keyof typeof OPERATORS;
+  const operator = OPERATORS[block.getFieldValue('MODE') as OperatorOption];
+  const text = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  return [operator + '(' + text + ')', Order.FUNCTION_CALL];
+}
+
+export function text_print(block: Block, generator: PhpGenerator) {
+  // Print statement.
+  const msg = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  return 'print(' + msg + ');\n';
+}
+
+export function text_prompt_ext(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Prompt function.
+  let msg;
+  if (block.getField('TEXT')) {
+    // Internal message.
+    msg = generator.quote_(block.getFieldValue('TEXT'));
+  } else {
+    // External message.
+    msg = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  }
+  let code = 'readline(' + msg + ')';
+  const toNumber = block.getFieldValue('TYPE') === 'NUMBER';
+  if (toNumber) {
+    code = 'floatval(' + code + ')';
+  }
+  return [code, Order.FUNCTION_CALL];
+}
+
+export const text_prompt = text_prompt_ext;
+
+export function text_count(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  const text = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  const sub = generator.valueToCode(block, 'SUB', Order.NONE) || "''";
+  const code =
+    'strlen(' +
+    sub +
+    ') === 0' +
+    ' ? strlen(' +
+    text +
+    ') + 1' +
+    ' : substr_count(' +
+    text +
+    ', ' +
+    sub +
+    ')';
+  return [code, Order.CONDITIONAL];
+}
+
+export function text_replace(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  const text = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  const from = generator.valueToCode(block, 'FROM', Order.NONE) || "''";
+  const to = generator.valueToCode(block, 'TO', Order.NONE) || "''";
+  const code = 'str_replace(' + from + ', ' + to + ', ' + text + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function text_reverse(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  const text = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  const code = 'strrev(' + text + ')';
+  return [code, Order.FUNCTION_CALL];
+}
diff --git a/generators/php/variables.js b/generators/php/variables.js
deleted file mode 100644
index 5ac4849ff37..00000000000
--- a/generators/php/variables.js
+++ /dev/null
@@ -1,32 +0,0 @@
-/**
- * @license
- * Copyright 2015 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating PHP for variable blocks.
- * @author daarond@gmail.com (Daaron Dwyer)
- */
-'use strict';
-
-goog.provide('Blockly.PHP.variables');
-
-goog.require('Blockly.PHP');
-
-
-Blockly.PHP['variables_get'] = function(block) {
-    // Variable getter.
-    var code = Blockly.PHP.variableDB_.getName(block.getFieldValue('VAR'),
-        Blockly.VARIABLE_CATEGORY_NAME);
-    return [code, Blockly.PHP.ORDER_ATOMIC];
-};
-
-Blockly.PHP['variables_set'] = function(block) {
-    // Variable setter.
-    var argument0 = Blockly.PHP.valueToCode(block, 'VALUE',
-            Blockly.PHP.ORDER_ASSIGNMENT) || '0';
-    var varName = Blockly.PHP.variableDB_.getName(
-        block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-    return varName + ' = ' + argument0 + ';\n';
-};
diff --git a/generators/php/variables.ts b/generators/php/variables.ts
new file mode 100644
index 00000000000..4aacc293b6d
--- /dev/null
+++ b/generators/php/variables.ts
@@ -0,0 +1,32 @@
+/**
+ * @license
+ * Copyright 2015 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating PHP for variable blocks.
+ */
+
+// Former goog.module ID: Blockly.PHP.variables
+
+import type {Block} from '../../core/block.js';
+import {Order} from './php_generator.js';
+import type {PhpGenerator} from './php_generator.js';
+
+export function variables_get(
+  block: Block,
+  generator: PhpGenerator,
+): [string, Order] {
+  // Variable getter.
+  const code = generator.getVariableName(block.getFieldValue('VAR'));
+  return [code, Order.ATOMIC];
+}
+
+export function variables_set(block: Block, generator: PhpGenerator) {
+  // Variable setter.
+  const argument0 =
+    generator.valueToCode(block, 'VALUE', Order.ASSIGNMENT) || '0';
+  const varName = generator.getVariableName(block.getFieldValue('VAR'));
+  return varName + ' = ' + argument0 + ';\n';
+}
diff --git a/generators/php/variables_dynamic.js b/generators/php/variables_dynamic.js
deleted file mode 100644
index 3b1584c5426..00000000000
--- a/generators/php/variables_dynamic.js
+++ /dev/null
@@ -1,21 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating PHP for dynamic variable blocks.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.PHP.variablesDynamic');
-
-goog.require('Blockly.PHP');
-goog.require('Blockly.PHP.variables');
-
-
-// PHP is dynamically typed.
-Blockly.PHP['variables_get_dynamic'] = Blockly.PHP['variables_get'];
-Blockly.PHP['variables_set_dynamic'] = Blockly.PHP['variables_set'];
diff --git a/generators/php/variables_dynamic.ts b/generators/php/variables_dynamic.ts
new file mode 100644
index 00000000000..5ab5ec6cab5
--- /dev/null
+++ b/generators/php/variables_dynamic.ts
@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating PHP for dynamic variable blocks.
+ */
+
+// Former goog.module ID: Blockly.PHP.variablesDynamic
+
+// generator is dynamically typed.
+export {
+  variables_get as variables_get_dynamic,
+  variables_set as variables_set_dynamic,
+} from './variables.js';
diff --git a/generators/python.js b/generators/python.js
deleted file mode 100644
index 407f90139ea..00000000000
--- a/generators/python.js
+++ /dev/null
@@ -1,322 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Helper functions for generating Python for blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Python');
-
-goog.require('Blockly.Generator');
-goog.require('Blockly.utils.string');
-
-
-/**
- * Python code generator.
- * @type {!Blockly.Generator}
- */
-Blockly.Python = new Blockly.Generator('Python');
-
-/**
- * List of illegal variable names.
- * This is not intended to be a security feature.  Blockly is 100% client-side,
- * so bypassing this list is trivial.  This is intended to prevent users from
- * accidentally clobbering a built-in object or function.
- * @private
- */
-Blockly.Python.addReservedWords(
-    // import keyword
-    // print(','.join(sorted(keyword.kwlist)))
-    // https://docs.python.org/3/reference/lexical_analysis.html#keywords
-    // https://docs.python.org/2/reference/lexical_analysis.html#keywords
-    'False,None,True,and,as,assert,break,class,continue,def,del,elif,else,' +
-    'except,exec,finally,for,from,global,if,import,in,is,lambda,nonlocal,not,' +
-    'or,pass,print,raise,return,try,while,with,yield,' +
-    // https://docs.python.org/3/library/constants.html
-    // https://docs.python.org/2/library/constants.html
-    'NotImplemented,Ellipsis,__debug__,quit,exit,copyright,license,credits,' +
-    // >>> print(','.join(sorted(dir(__builtins__))))
-    // https://docs.python.org/3/library/functions.html
-    // https://docs.python.org/2/library/functions.html
-    'ArithmeticError,AssertionError,AttributeError,BaseException,' +
-    'BlockingIOError,BrokenPipeError,BufferError,BytesWarning,' +
-    'ChildProcessError,ConnectionAbortedError,ConnectionError,' +
-    'ConnectionRefusedError,ConnectionResetError,DeprecationWarning,EOFError,' +
-    'Ellipsis,EnvironmentError,Exception,FileExistsError,FileNotFoundError,' +
-    'FloatingPointError,FutureWarning,GeneratorExit,IOError,ImportError,' +
-    'ImportWarning,IndentationError,IndexError,InterruptedError,' +
-    'IsADirectoryError,KeyError,KeyboardInterrupt,LookupError,MemoryError,' +
-    'ModuleNotFoundError,NameError,NotADirectoryError,NotImplemented,' +
-    'NotImplementedError,OSError,OverflowError,PendingDeprecationWarning,' +
-    'PermissionError,ProcessLookupError,RecursionError,ReferenceError,' +
-    'ResourceWarning,RuntimeError,RuntimeWarning,StandardError,' +
-    'StopAsyncIteration,StopIteration,SyntaxError,SyntaxWarning,SystemError,' +
-    'SystemExit,TabError,TimeoutError,TypeError,UnboundLocalError,' +
-    'UnicodeDecodeError,UnicodeEncodeError,UnicodeError,' +
-    'UnicodeTranslateError,UnicodeWarning,UserWarning,ValueError,Warning,' +
-    'ZeroDivisionError,_,__build_class__,__debug__,__doc__,__import__,' +
-    '__loader__,__name__,__package__,__spec__,abs,all,any,apply,ascii,' +
-    'basestring,bin,bool,buffer,bytearray,bytes,callable,chr,classmethod,cmp,' +
-    'coerce,compile,complex,copyright,credits,delattr,dict,dir,divmod,' +
-    'enumerate,eval,exec,execfile,exit,file,filter,float,format,frozenset,' +
-    'getattr,globals,hasattr,hash,help,hex,id,input,int,intern,isinstance,' +
-    'issubclass,iter,len,license,list,locals,long,map,max,memoryview,min,' +
-    'next,object,oct,open,ord,pow,print,property,quit,range,raw_input,reduce,' +
-    'reload,repr,reversed,round,set,setattr,slice,sorted,staticmethod,str,' +
-    'sum,super,tuple,type,unichr,unicode,vars,xrange,zip'
-);
-
-/**
- * Order of operation ENUMs.
- * http://docs.python.org/reference/expressions.html#summary
- */
-Blockly.Python.ORDER_ATOMIC = 0;            // 0 "" ...
-Blockly.Python.ORDER_COLLECTION = 1;        // tuples, lists, dictionaries
-Blockly.Python.ORDER_STRING_CONVERSION = 1; // `expression...`
-Blockly.Python.ORDER_MEMBER = 2.1;          // . []
-Blockly.Python.ORDER_FUNCTION_CALL = 2.2;   // ()
-Blockly.Python.ORDER_EXPONENTIATION = 3;    // **
-Blockly.Python.ORDER_UNARY_SIGN = 4;        // + -
-Blockly.Python.ORDER_BITWISE_NOT = 4;       // ~
-Blockly.Python.ORDER_MULTIPLICATIVE = 5;    // * / // %
-Blockly.Python.ORDER_ADDITIVE = 6;          // + -
-Blockly.Python.ORDER_BITWISE_SHIFT = 7;     // << >>
-Blockly.Python.ORDER_BITWISE_AND = 8;       // &
-Blockly.Python.ORDER_BITWISE_XOR = 9;       // ^
-Blockly.Python.ORDER_BITWISE_OR = 10;       // |
-Blockly.Python.ORDER_RELATIONAL = 11;       // in, not in, is, is not,
-                                            //     <, <=, >, >=, <>, !=, ==
-Blockly.Python.ORDER_LOGICAL_NOT = 12;      // not
-Blockly.Python.ORDER_LOGICAL_AND = 13;      // and
-Blockly.Python.ORDER_LOGICAL_OR = 14;       // or
-Blockly.Python.ORDER_CONDITIONAL = 15;      // if else
-Blockly.Python.ORDER_LAMBDA = 16;           // lambda
-Blockly.Python.ORDER_NONE = 99;             // (...)
-
-/**
- * List of outer-inner pairings that do NOT require parentheses.
- * @type {!Array.<!Array.<number>>}
- */
-Blockly.Python.ORDER_OVERRIDES = [
-  // (foo()).bar -> foo().bar
-  // (foo())[0] -> foo()[0]
-  [Blockly.Python.ORDER_FUNCTION_CALL, Blockly.Python.ORDER_MEMBER],
-  // (foo())() -> foo()()
-  [Blockly.Python.ORDER_FUNCTION_CALL, Blockly.Python.ORDER_FUNCTION_CALL],
-  // (foo.bar).baz -> foo.bar.baz
-  // (foo.bar)[0] -> foo.bar[0]
-  // (foo[0]).bar -> foo[0].bar
-  // (foo[0])[1] -> foo[0][1]
-  [Blockly.Python.ORDER_MEMBER, Blockly.Python.ORDER_MEMBER],
-  // (foo.bar)() -> foo.bar()
-  // (foo[0])() -> foo[0]()
-  [Blockly.Python.ORDER_MEMBER, Blockly.Python.ORDER_FUNCTION_CALL],
-
-  // not (not foo) -> not not foo
-  [Blockly.Python.ORDER_LOGICAL_NOT, Blockly.Python.ORDER_LOGICAL_NOT],
-  // a and (b and c) -> a and b and c
-  [Blockly.Python.ORDER_LOGICAL_AND, Blockly.Python.ORDER_LOGICAL_AND],
-  // a or (b or c) -> a or b or c
-  [Blockly.Python.ORDER_LOGICAL_OR, Blockly.Python.ORDER_LOGICAL_OR]
-];
-
-/**
- * Initialise the database of variable names.
- * @param {!Blockly.Workspace} workspace Workspace to generate code from.
- * @this {Blockly.Generator}
- */
-Blockly.Python.init = function(workspace) {
-  /**
-   * Empty loops or conditionals are not allowed in Python.
-   */
-  Blockly.Python.PASS = this.INDENT + 'pass\n';
-  // Create a dictionary of definitions to be printed before the code.
-  Blockly.Python.definitions_ = Object.create(null);
-  // Create a dictionary mapping desired function names in definitions_
-  // to actual function names (to avoid collisions with user functions).
-  Blockly.Python.functionNames_ = Object.create(null);
-
-  if (!Blockly.Python.variableDB_) {
-    Blockly.Python.variableDB_ =
-        new Blockly.Names(Blockly.Python.RESERVED_WORDS_);
-  } else {
-    Blockly.Python.variableDB_.reset();
-  }
-
-  Blockly.Python.variableDB_.setVariableMap(workspace.getVariableMap());
-
-  var defvars = [];
-  // Add developer variables (not created or named by the user).
-  var devVarList = Blockly.Variables.allDeveloperVariables(workspace);
-  for (var i = 0; i < devVarList.length; i++) {
-    defvars.push(Blockly.Python.variableDB_.getName(devVarList[i],
-        Blockly.Names.DEVELOPER_VARIABLE_TYPE) + ' = None');
-  }
-
-  // Add user variables, but only ones that are being used.
-  var variables = Blockly.Variables.allUsedVarModels(workspace);
-  for (var i = 0; i < variables.length; i++) {
-    defvars.push(Blockly.Python.variableDB_.getName(variables[i].getId(),
-        Blockly.VARIABLE_CATEGORY_NAME) + ' = None');
-  }
-
-  Blockly.Python.definitions_['variables'] = defvars.join('\n');
-};
-
-/**
- * Prepend the generated code with the variable definitions.
- * @param {string} code Generated code.
- * @return {string} Completed code.
- */
-Blockly.Python.finish = function(code) {
-  // Convert the definitions dictionary into a list.
-  var imports = [];
-  var definitions = [];
-  for (var name in Blockly.Python.definitions_) {
-    var def = Blockly.Python.definitions_[name];
-    if (def.match(/^(from\s+\S+\s+)?import\s+\S+/)) {
-      imports.push(def);
-    } else {
-      definitions.push(def);
-    }
-  }
-  // Clean up temporary data.
-  delete Blockly.Python.definitions_;
-  delete Blockly.Python.functionNames_;
-  Blockly.Python.variableDB_.reset();
-  var allDefs = imports.join('\n') + '\n\n' + definitions.join('\n\n');
-  return allDefs.replace(/\n\n+/g, '\n\n').replace(/\n*$/, '\n\n\n') + code;
-};
-
-/**
- * Naked values are top-level blocks with outputs that aren't plugged into
- * anything.
- * @param {string} line Line of generated code.
- * @return {string} Legal line of code.
- */
-Blockly.Python.scrubNakedValue = function(line) {
-  return line + '\n';
-};
-
-/**
- * Encode a string as a properly escaped Python string, complete with quotes.
- * @param {string} string Text to encode.
- * @return {string} Python string.
- * @private
- */
-Blockly.Python.quote_ = function(string) {
-  // Can't use goog.string.quote since % must also be escaped.
-  string = string.replace(/\\/g, '\\\\')
-                 .replace(/\n/g, '\\\n');
-
-  // Follow the CPython behaviour of repr() for a non-byte string.
-  var quote = '\'';
-  if (string.indexOf('\'') !== -1) {
-    if (string.indexOf('"') === -1) {
-      quote = '"';
-    } else {
-      string = string.replace(/'/g, '\\\'');
-    }
-  };
-  return quote + string + quote;
-};
-
-/**
- * Encode a string as a properly escaped multiline Python string, complete
- * with quotes.
- * @param {string} string Text to encode.
- * @return {string} Python string.
- * @private
- */
-Blockly.Python.multiline_quote_ = function(string) {
-  var lines = string.split(/\n/g).map(Blockly.Python.quote_);
-  // Join with the following, plus a newline:
-  // + '\n' +
-  return lines.join(' + \'\\n\' + \n');
-};
-
-/**
- * Common tasks for generating Python from blocks.
- * Handles comments for the specified block and any connected value blocks.
- * Calls any statements following this block.
- * @param {!Blockly.Block} block The current block.
- * @param {string} code The Python code created for this block.
- * @param {boolean=} opt_thisOnly True to generate code for only this statement.
- * @return {string} Python code with comments and subsequent blocks added.
- * @private
- */
-Blockly.Python.scrub_ = function(block, code, opt_thisOnly) {
-  var commentCode = '';
-  // Only collect comments for blocks that aren't inline.
-  if (!block.outputConnection || !block.outputConnection.targetConnection) {
-    // Collect comment for this block.
-    var comment = block.getCommentText();
-    if (comment) {
-      comment = Blockly.utils.string.wrap(comment,
-          Blockly.Python.COMMENT_WRAP - 3);
-      commentCode += Blockly.Python.prefixLines(comment + '\n', '# ');
-    }
-    // Collect comments for all value arguments.
-    // Don't collect comments for nested statements.
-    for (var i = 0; i < block.inputList.length; i++) {
-      if (block.inputList[i].type == Blockly.INPUT_VALUE) {
-        var childBlock = block.inputList[i].connection.targetBlock();
-        if (childBlock) {
-          comment = Blockly.Python.allNestedComments(childBlock);
-          if (comment) {
-            commentCode += Blockly.Python.prefixLines(comment, '# ');
-          }
-        }
-      }
-    }
-  }
-  var nextBlock = block.nextConnection && block.nextConnection.targetBlock();
-  var nextCode = opt_thisOnly ? '' : Blockly.Python.blockToCode(nextBlock);
-  return commentCode + code + nextCode;
-};
-
-/**
- * Gets a property and adjusts the value, taking into account indexing, and
- * casts to an integer.
- * @param {!Blockly.Block} block The block.
- * @param {string} atId The property ID of the element to get.
- * @param {number=} opt_delta Value to add.
- * @param {boolean=} opt_negate Whether to negate the value.
- * @return {string|number}
- */
-Blockly.Python.getAdjustedInt = function(block, atId, opt_delta, opt_negate) {
-  var delta = opt_delta || 0;
-  if (block.workspace.options.oneBasedIndex) {
-    delta--;
-  }
-  var defaultAtIndex = block.workspace.options.oneBasedIndex ? '1' : '0';
-  var atOrder = delta ? Blockly.Python.ORDER_ADDITIVE :
-      Blockly.Python.ORDER_NONE;
-  var at = Blockly.Python.valueToCode(block, atId, atOrder) || defaultAtIndex;
-
-  if (Blockly.isNumber(at)) {
-    // If the index is a naked number, adjust it right now.
-    at = parseInt(at, 10) + delta;
-    if (opt_negate) {
-      at = -at;
-    }
-  } else {
-    // If the index is dynamic, adjust it in code.
-    if (delta > 0) {
-      at = 'int(' + at + ' + ' + delta + ')';
-    } else if (delta < 0) {
-      at = 'int(' + at + ' - ' + -delta + ')';
-    } else {
-      at = 'int(' + at + ')';
-    }
-    if (opt_negate) {
-      at = '-' + at;
-    }
-  }
-  return at;
-};
diff --git a/generators/python.ts b/generators/python.ts
new file mode 100644
index 00000000000..d7b505763d7
--- /dev/null
+++ b/generators/python.ts
@@ -0,0 +1,51 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Instantiate a PythonGenerator and populate it with the
+ * complete set of block generator functions for Python.  This is the
+ * entrypoint for python_compressed.js.
+ */
+
+// Former goog.module ID: Blockly.Python.all
+
+import {PythonGenerator} from './python/python_generator.js';
+import * as lists from './python/lists.js';
+import * as logic from './python/logic.js';
+import * as loops from './python/loops.js';
+import * as math from './python/math.js';
+import * as procedures from './python/procedures.js';
+import * as text from './python/text.js';
+import * as variables from './python/variables.js';
+import * as variablesDynamic from './python/variables_dynamic.js';
+
+export * from './python/python_generator.js';
+
+/**
+ * Python code generator instance.
+ * @type {!PythonGenerator}
+ */
+export const pythonGenerator = new PythonGenerator();
+
+// Add reserved words.  This list should include all words mentioned
+// in RESERVED WORDS: comments in the imports above.
+pythonGenerator.addReservedWords('math,random,Number');
+
+// Install per-block-type generator functions:
+// Install per-block-type generator functions:
+const generators: typeof pythonGenerator.forBlock = {
+  ...lists,
+  ...logic,
+  ...loops,
+  ...math,
+  ...procedures,
+  ...text,
+  ...variables,
+  ...variablesDynamic,
+};
+for (const name in generators) {
+  pythonGenerator.forBlock[name] = generators[name];
+}
diff --git a/generators/python/colour.js b/generators/python/colour.js
deleted file mode 100644
index 6be61d3a91b..00000000000
--- a/generators/python/colour.js
+++ /dev/null
@@ -1,72 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Python for colour blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Python.colour');
-
-goog.require('Blockly.Python');
-
-
-Blockly.Python['colour_picker'] = function(block) {
-  // Colour picker.
-  var code = Blockly.Python.quote_(block.getFieldValue('COLOUR'));
-  return [code, Blockly.Python.ORDER_ATOMIC];
-};
-
-Blockly.Python['colour_random'] = function(block) {
-  // Generate a random colour.
-  Blockly.Python.definitions_['import_random'] = 'import random';
-  var code = '\'#%06x\' % random.randint(0, 2**24 - 1)';
-  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['colour_rgb'] = function(block) {
-  // Compose a colour from RGB components expressed as percentages.
-  var functionName = Blockly.Python.provideFunction_(
-      'colour_rgb',
-      ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ + '(r, g, b):',
-       '  r = round(min(100, max(0, r)) * 2.55)',
-       '  g = round(min(100, max(0, g)) * 2.55)',
-       '  b = round(min(100, max(0, b)) * 2.55)',
-       '  return \'#%02x%02x%02x\' % (r, g, b)']);
-  var r = Blockly.Python.valueToCode(block, 'RED',
-                                     Blockly.Python.ORDER_NONE) || 0;
-  var g = Blockly.Python.valueToCode(block, 'GREEN',
-                                     Blockly.Python.ORDER_NONE) || 0;
-  var b = Blockly.Python.valueToCode(block, 'BLUE',
-                                     Blockly.Python.ORDER_NONE) || 0;
-  var code = functionName + '(' + r + ', ' + g + ', ' + b + ')';
-  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['colour_blend'] = function(block) {
-  // Blend two colours together.
-  var functionName = Blockly.Python.provideFunction_(
-      'colour_blend',
-      ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ +
-          '(colour1, colour2, ratio):',
-       '  r1, r2 = int(colour1[1:3], 16), int(colour2[1:3], 16)',
-       '  g1, g2 = int(colour1[3:5], 16), int(colour2[3:5], 16)',
-       '  b1, b2 = int(colour1[5:7], 16), int(colour2[5:7], 16)',
-       '  ratio = min(1, max(0, ratio))',
-       '  r = round(r1 * (1 - ratio) + r2 * ratio)',
-       '  g = round(g1 * (1 - ratio) + g2 * ratio)',
-       '  b = round(b1 * (1 - ratio) + b2 * ratio)',
-       '  return \'#%02x%02x%02x\' % (r, g, b)']);
-  var colour1 = Blockly.Python.valueToCode(block, 'COLOUR1',
-      Blockly.Python.ORDER_NONE) || '\'#000000\'';
-  var colour2 = Blockly.Python.valueToCode(block, 'COLOUR2',
-      Blockly.Python.ORDER_NONE) || '\'#000000\'';
-  var ratio = Blockly.Python.valueToCode(block, 'RATIO',
-      Blockly.Python.ORDER_NONE) || 0;
-  var code = functionName + '(' + colour1 + ', ' + colour2 + ', ' + ratio + ')';
-  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-};
diff --git a/generators/python/lists.js b/generators/python/lists.js
deleted file mode 100644
index 647cbc79a43..00000000000
--- a/generators/python/lists.js
+++ /dev/null
@@ -1,349 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Python for list blocks.
- * @author q.neutron@gmail.com (Quynh Neutron)
- */
-'use strict';
-
-goog.provide('Blockly.Python.lists');
-
-goog.require('Blockly.Python');
-
-
-Blockly.Python['lists_create_empty'] = function(block) {
-  // Create an empty list.
-  return ['[]', Blockly.Python.ORDER_ATOMIC];
-};
-
-Blockly.Python['lists_create_with'] = function(block) {
-  // Create a list with any number of elements of any type.
-  var elements = new Array(block.itemCount_);
-  for (var i = 0; i < block.itemCount_; i++) {
-    elements[i] = Blockly.Python.valueToCode(block, 'ADD' + i,
-        Blockly.Python.ORDER_NONE) || 'None';
-  }
-  var code = '[' + elements.join(', ') + ']';
-  return [code, Blockly.Python.ORDER_ATOMIC];
-};
-
-Blockly.Python['lists_repeat'] = function(block) {
-  // Create a list with one element repeated.
-  var item = Blockly.Python.valueToCode(block, 'ITEM',
-      Blockly.Python.ORDER_NONE) || 'None';
-  var times = Blockly.Python.valueToCode(block, 'NUM',
-      Blockly.Python.ORDER_MULTIPLICATIVE) || '0';
-  var code = '[' + item + '] * ' + times;
-  return [code, Blockly.Python.ORDER_MULTIPLICATIVE];
-};
-
-Blockly.Python['lists_length'] = function(block) {
-  // String or array length.
-  var list = Blockly.Python.valueToCode(block, 'VALUE',
-      Blockly.Python.ORDER_NONE) || '[]';
-  return ['len(' + list + ')', Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['lists_isEmpty'] = function(block) {
-  // Is the string null or array empty?
-  var list = Blockly.Python.valueToCode(block, 'VALUE',
-      Blockly.Python.ORDER_NONE) || '[]';
-  var code = 'not len(' + list + ')';
-  return [code, Blockly.Python.ORDER_LOGICAL_NOT];
-};
-
-Blockly.Python['lists_indexOf'] = function(block) {
-  // Find an item in the list.
-  var item = Blockly.Python.valueToCode(block, 'FIND',
-      Blockly.Python.ORDER_NONE) || '[]';
-  var list = Blockly.Python.valueToCode(block, 'VALUE',
-      Blockly.Python.ORDER_NONE) || '\'\'';
-  if (block.workspace.options.oneBasedIndex) {
-    var errorIndex = ' 0';
-    var firstIndexAdjustment = ' + 1';
-    var lastIndexAdjustment = '';
-  } else {
-    var errorIndex = ' -1';
-    var firstIndexAdjustment = '';
-    var lastIndexAdjustment = ' - 1';
-  }
-  if (block.getFieldValue('END') == 'FIRST') {
-    var functionName = Blockly.Python.provideFunction_(
-        'first_index',
-        ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ +
-            '(my_list, elem):',
-         '  try: index = my_list.index(elem)' + firstIndexAdjustment,
-         '  except: index =' + errorIndex,
-         '  return index']);
-    var code = functionName + '(' + list + ', ' + item + ')';
-    return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-  }
-  var functionName = Blockly.Python.provideFunction_(
-      'last_index',
-      ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ + '(my_list, elem):',
-       '  try: index = len(my_list) - my_list[::-1].index(elem)' +
-         lastIndexAdjustment,
-       '  except: index =' + errorIndex,
-       '  return index']);
-  var code = functionName + '(' + list + ', ' + item + ')';
-  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['lists_getIndex'] = function(block) {
-  // Get element at index.
-  // Note: Until January 2013 this block did not have MODE or WHERE inputs.
-  var mode = block.getFieldValue('MODE') || 'GET';
-  var where = block.getFieldValue('WHERE') || 'FROM_START';
-  var listOrder = (where == 'RANDOM') ? Blockly.Python.ORDER_NONE :
-      Blockly.Python.ORDER_MEMBER;
-  var list = Blockly.Python.valueToCode(block, 'VALUE', listOrder) || '[]';
-
-  switch (where) {
-    case 'FIRST':
-      if (mode == 'GET') {
-        var code = list + '[0]';
-        return [code, Blockly.Python.ORDER_MEMBER];
-      } else if (mode == 'GET_REMOVE') {
-        var code = list + '.pop(0)';
-        return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-      } else if (mode == 'REMOVE') {
-        return list + '.pop(0)\n';
-      }
-      break;
-    case 'LAST':
-      if (mode == 'GET') {
-        var code = list + '[-1]';
-        return [code, Blockly.Python.ORDER_MEMBER];
-      } else if (mode == 'GET_REMOVE') {
-        var code = list + '.pop()';
-        return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-      } else if (mode == 'REMOVE') {
-        return list + '.pop()\n';
-      }
-      break;
-    case 'FROM_START':
-      var at = Blockly.Python.getAdjustedInt(block, 'AT');
-      if (mode == 'GET') {
-        var code = list + '[' + at + ']';
-        return [code, Blockly.Python.ORDER_MEMBER];
-      } else if (mode == 'GET_REMOVE') {
-        var code = list + '.pop(' + at + ')';
-        return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-      } else if (mode == 'REMOVE') {
-        return list + '.pop(' + at + ')\n';
-      }
-      break;
-    case'FROM_END':
-      var at = Blockly.Python.getAdjustedInt(block, 'AT', 1, true);
-      if (mode == 'GET') {
-        var code = list + '[' + at + ']';
-        return [code, Blockly.Python.ORDER_MEMBER];
-      } else if (mode == 'GET_REMOVE') {
-        var code = list + '.pop(' + at + ')';
-        return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-      } else if (mode == 'REMOVE') {
-        return list + '.pop(' + at + ')\n';
-      }
-      break;
-    case 'RANDOM':
-      Blockly.Python.definitions_['import_random'] = 'import random';
-      if (mode == 'GET') {
-        code = 'random.choice(' + list + ')';
-        return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-      } else {
-        var functionName = Blockly.Python.provideFunction_(
-            'lists_remove_random_item',
-            ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ + '(myList):',
-              '  x = int(random.random() * len(myList))',
-              '  return myList.pop(x)']);
-        code = functionName + '(' + list + ')';
-        if (mode == 'GET_REMOVE') {
-          return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-        } else if (mode == 'REMOVE') {
-          return code + '\n';
-        }
-      }
-      break;
-  }
-  throw Error('Unhandled combination (lists_getIndex).');
-};
-
-Blockly.Python['lists_setIndex'] = function(block) {
-  // Set element at index.
-  // Note: Until February 2013 this block did not have MODE or WHERE inputs.
-  var list = Blockly.Python.valueToCode(block, 'LIST',
-      Blockly.Python.ORDER_MEMBER) || '[]';
-  var mode = block.getFieldValue('MODE') || 'GET';
-  var where = block.getFieldValue('WHERE') || 'FROM_START';
-  var value = Blockly.Python.valueToCode(block, 'TO',
-      Blockly.Python.ORDER_NONE) || 'None';
-  // Cache non-trivial values to variables to prevent repeated look-ups.
-  // Closure, which accesses and modifies 'list'.
-  function cacheList() {
-    if (list.match(/^\w+$/)) {
-      return '';
-    }
-    var listVar = Blockly.Python.variableDB_.getDistinctName(
-        'tmp_list', Blockly.VARIABLE_CATEGORY_NAME);
-    var code = listVar + ' = ' + list + '\n';
-    list = listVar;
-    return code;
-  }
-
-  switch (where) {
-    case 'FIRST':
-      if (mode == 'SET') {
-        return list + '[0] = ' + value + '\n';
-      } else if (mode == 'INSERT') {
-        return list + '.insert(0, ' + value + ')\n';
-      }
-      break;
-    case 'LAST':
-        if (mode == 'SET') {
-          return list + '[-1] = ' + value + '\n';
-        } else if (mode == 'INSERT') {
-          return list + '.append(' + value + ')\n';
-        }
-      break;
-    case 'FROM_START':
-      var at = Blockly.Python.getAdjustedInt(block, 'AT');
-        if (mode == 'SET') {
-          return list + '[' + at + '] = ' + value + '\n';
-        } else if (mode == 'INSERT') {
-          return list + '.insert(' + at + ', ' + value + ')\n';
-        }
-      break;
-    case 'FROM_END':
-      var at = Blockly.Python.getAdjustedInt(block, 'AT', 1, true);
-        if (mode == 'SET') {
-          return list + '[' + at + '] = ' + value + '\n';
-        } else if (mode == 'INSERT') {
-          return list + '.insert(' + at + ', ' + value + ')\n';
-        }
-      break;
-    case 'RANDOM':
-        Blockly.Python.definitions_['import_random'] = 'import random';
-        var code = cacheList();
-        var xVar = Blockly.Python.variableDB_.getDistinctName(
-            'tmp_x', Blockly.VARIABLE_CATEGORY_NAME);
-        code += xVar + ' = int(random.random() * len(' + list + '))\n';
-        if (mode == 'SET') {
-          code += list + '[' + xVar + '] = ' + value + '\n';
-          return code;
-        } else if (mode == 'INSERT') {
-          code += list + '.insert(' + xVar + ', ' + value + ')\n';
-          return code;
-        }
-      break;
-  }
-  throw Error('Unhandled combination (lists_setIndex).');
-};
-
-Blockly.Python['lists_getSublist'] = function(block) {
-  // Get sublist.
-  var list = Blockly.Python.valueToCode(block, 'LIST',
-      Blockly.Python.ORDER_MEMBER) || '[]';
-  var where1 = block.getFieldValue('WHERE1');
-  var where2 = block.getFieldValue('WHERE2');
-  switch (where1) {
-    case 'FROM_START':
-      var at1 = Blockly.Python.getAdjustedInt(block, 'AT1');
-      if (at1 == '0') {
-        at1 = '';
-      }
-      break;
-    case 'FROM_END':
-      var at1 = Blockly.Python.getAdjustedInt(block, 'AT1', 1, true);
-      break;
-    case 'FIRST':
-      var at1 = '';
-      break;
-    default:
-      throw Error('Unhandled option (lists_getSublist)');
-  }
-  switch (where2) {
-    case 'FROM_START':
-      var at2 = Blockly.Python.getAdjustedInt(block, 'AT2', 1);
-      break;
-    case 'FROM_END':
-      var at2 = Blockly.Python.getAdjustedInt(block, 'AT2', 0, true);
-      // Ensure that if the result calculated is 0 that sub-sequence will
-      // include all elements as expected.
-      if (!Blockly.isNumber(String(at2))) {
-        Blockly.Python.definitions_['import_sys'] = 'import sys';
-        at2 += ' or sys.maxsize';
-      } else if (at2 == '0') {
-        at2 = '';
-      }
-      break;
-    case 'LAST':
-      var at2 = '';
-      break;
-    default:
-      throw Error('Unhandled option (lists_getSublist)');
-  }
-  var code = list + '[' + at1 + ' : ' + at2 + ']';
-  return [code, Blockly.Python.ORDER_MEMBER];
-};
-
-Blockly.Python['lists_sort'] = function(block) {
-  // Block for sorting a list.
-  var list = (Blockly.Python.valueToCode(block, 'LIST',
-      Blockly.Python.ORDER_NONE) || '[]');
-  var type = block.getFieldValue('TYPE');
-  var reverse = block.getFieldValue('DIRECTION') === '1' ? 'False' : 'True';
-  var sortFunctionName = Blockly.Python.provideFunction_('lists_sort',
-  ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ +
-      '(my_list, type, reverse):',
-    '  def try_float(s):',
-    '    try:',
-    '      return float(s)',
-    '    except:',
-    '      return 0',
-    '  key_funcs = {',
-    '    "NUMERIC": try_float,',
-    '    "TEXT": str,',
-    '    "IGNORE_CASE": lambda s: str(s).lower()',
-    '  }',
-    '  key_func = key_funcs[type]',
-    '  list_cpy = list(my_list)', // Clone the list.
-    '  return sorted(list_cpy, key=key_func, reverse=reverse)'
-  ]);
-
-  var code = sortFunctionName +
-      '(' + list + ', "' + type + '", ' + reverse + ')';
-  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['lists_split'] = function(block) {
-  // Block for splitting text into a list, or joining a list into text.
-  var mode = block.getFieldValue('MODE');
-  if (mode == 'SPLIT') {
-    var value_input = Blockly.Python.valueToCode(block, 'INPUT',
-        Blockly.Python.ORDER_MEMBER) || '\'\'';
-    var value_delim = Blockly.Python.valueToCode(block, 'DELIM',
-        Blockly.Python.ORDER_NONE);
-    var code = value_input + '.split(' + value_delim + ')';
-  } else if (mode == 'JOIN') {
-    var value_input = Blockly.Python.valueToCode(block, 'INPUT',
-        Blockly.Python.ORDER_NONE) || '[]';
-    var value_delim = Blockly.Python.valueToCode(block, 'DELIM',
-        Blockly.Python.ORDER_MEMBER) || '\'\'';
-    var code = value_delim + '.join(' + value_input + ')';
-  } else {
-    throw Error('Unknown mode: ' + mode);
-  }
-  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['lists_reverse'] = function(block) {
-  // Block for reversing a list.
-  var list = Blockly.Python.valueToCode(block, 'LIST',
-      Blockly.Python.ORDER_NONE) || '[]';
-  var code = 'list(reversed(' + list + '))';
-  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-};
diff --git a/generators/python/lists.ts b/generators/python/lists.ts
new file mode 100644
index 00000000000..6e412c23fa3
--- /dev/null
+++ b/generators/python/lists.ts
@@ -0,0 +1,398 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Python for list blocks.
+ */
+
+// Former goog.module ID: Blockly.Python.lists
+
+import * as stringUtils from '../../core/utils/string.js';
+import type {Block} from '../../core/block.js';
+import type {CreateWithBlock} from '../../blocks/lists.js';
+import {NameType} from '../../core/names.js';
+import {Order} from './python_generator.js';
+import type {PythonGenerator} from './python_generator.js';
+
+export function lists_create_empty(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Create an empty list.
+  return ['[]', Order.ATOMIC];
+}
+
+export function lists_create_with(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Create a list with any number of elements of any type.
+  const createWithBlock = block as CreateWithBlock;
+  const elements = new Array(createWithBlock.itemCount_);
+  for (let i = 0; i < createWithBlock.itemCount_; i++) {
+    elements[i] = generator.valueToCode(block, 'ADD' + i, Order.NONE) || 'None';
+  }
+  const code = '[' + elements.join(', ') + ']';
+  return [code, Order.ATOMIC];
+}
+
+export function lists_repeat(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Create a list with one element repeated.
+  const item = generator.valueToCode(block, 'ITEM', Order.NONE) || 'None';
+  const times =
+    generator.valueToCode(block, 'NUM', Order.MULTIPLICATIVE) || '0';
+  const code = '[' + item + '] * ' + times;
+  return [code, Order.MULTIPLICATIVE];
+}
+
+export function lists_length(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // String or array length.
+  const list = generator.valueToCode(block, 'VALUE', Order.NONE) || '[]';
+  return ['len(' + list + ')', Order.FUNCTION_CALL];
+}
+
+export function lists_isEmpty(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Is the string null or array empty?
+  const list = generator.valueToCode(block, 'VALUE', Order.NONE) || '[]';
+  const code = 'not len(' + list + ')';
+  return [code, Order.LOGICAL_NOT];
+}
+
+export function lists_indexOf(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Find an item in the list.
+  const item = generator.valueToCode(block, 'FIND', Order.NONE) || '[]';
+  const list = generator.valueToCode(block, 'VALUE', Order.NONE) || "''";
+  let errorIndex = ' -1';
+  let firstIndexAdjustment = '';
+  let lastIndexAdjustment = ' - 1';
+
+  if (block.workspace.options.oneBasedIndex) {
+    errorIndex = ' 0';
+    firstIndexAdjustment = ' + 1';
+    lastIndexAdjustment = '';
+  }
+
+  let functionName;
+  if (block.getFieldValue('END') === 'FIRST') {
+    functionName = generator.provideFunction_(
+      'first_index',
+      `
+def ${generator.FUNCTION_NAME_PLACEHOLDER_}(my_list, elem):
+  try: index = my_list.index(elem)${firstIndexAdjustment}
+  except: index =${errorIndex}
+  return index
+`,
+    );
+  } else {
+    functionName = generator.provideFunction_(
+      'last_index',
+      `
+def ${generator.FUNCTION_NAME_PLACEHOLDER_}(my_list, elem):
+  try: index = len(my_list) - my_list[::-1].index(elem)${lastIndexAdjustment}
+  except: index =${errorIndex}
+  return index
+`,
+    );
+  }
+  const code = functionName + '(' + list + ', ' + item + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function lists_getIndex(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] | string {
+  // Get element at index.
+  // Note: Until January 2013 this block did not have MODE or WHERE inputs.
+  const mode = block.getFieldValue('MODE') || 'GET';
+  const where = block.getFieldValue('WHERE') || 'FROM_START';
+  const listOrder = where === 'RANDOM' ? Order.NONE : Order.MEMBER;
+  const list = generator.valueToCode(block, 'VALUE', listOrder) || '[]';
+
+  switch (where) {
+    case 'FIRST':
+      if (mode === 'GET') {
+        const code = list + '[0]';
+        return [code, Order.MEMBER];
+      } else if (mode === 'GET_REMOVE') {
+        const code = list + '.pop(0)';
+        return [code, Order.FUNCTION_CALL];
+      } else if (mode === 'REMOVE') {
+        return list + '.pop(0)\n';
+      }
+      break;
+    case 'LAST':
+      if (mode === 'GET') {
+        const code = list + '[-1]';
+        return [code, Order.MEMBER];
+      } else if (mode === 'GET_REMOVE') {
+        const code = list + '.pop()';
+        return [code, Order.FUNCTION_CALL];
+      } else if (mode === 'REMOVE') {
+        return list + '.pop()\n';
+      }
+      break;
+    case 'FROM_START': {
+      const at = generator.getAdjustedInt(block, 'AT');
+      if (mode === 'GET') {
+        const code = list + '[' + at + ']';
+        return [code, Order.MEMBER];
+      } else if (mode === 'GET_REMOVE') {
+        const code = list + '.pop(' + at + ')';
+        return [code, Order.FUNCTION_CALL];
+      } else if (mode === 'REMOVE') {
+        return list + '.pop(' + at + ')\n';
+      }
+      break;
+    }
+    case 'FROM_END': {
+      const at = generator.getAdjustedInt(block, 'AT', 1, true);
+      if (mode === 'GET') {
+        const code = list + '[' + at + ']';
+        return [code, Order.MEMBER];
+      } else if (mode === 'GET_REMOVE') {
+        const code = list + '.pop(' + at + ')';
+        return [code, Order.FUNCTION_CALL];
+      } else if (mode === 'REMOVE') {
+        return list + '.pop(' + at + ')\n';
+      }
+      break;
+    }
+    case 'RANDOM':
+      (generator as AnyDuringMigration).definitions_['import_random'] =
+        'import random';
+      if (mode === 'GET') {
+        const code = 'random.choice(' + list + ')';
+        return [code, Order.FUNCTION_CALL];
+      } else {
+        const functionName = generator.provideFunction_(
+          'lists_remove_random_item',
+          `
+def ${generator.FUNCTION_NAME_PLACEHOLDER_}(myList):
+  x = int(random.random() * len(myList))
+  return myList.pop(x)
+`,
+        );
+        const code = functionName + '(' + list + ')';
+        if (mode === 'GET_REMOVE') {
+          return [code, Order.FUNCTION_CALL];
+        } else if (mode === 'REMOVE') {
+          return code + '\n';
+        }
+      }
+      break;
+  }
+  throw Error('Unhandled combination (lists_getIndex).');
+}
+
+export function lists_setIndex(block: Block, generator: PythonGenerator) {
+  // Set element at index.
+  // Note: Until February 2013 this block did not have MODE or WHERE inputs.
+  let list = generator.valueToCode(block, 'LIST', Order.MEMBER) || '[]';
+  const mode = block.getFieldValue('MODE') || 'GET';
+  const where = block.getFieldValue('WHERE') || 'FROM_START';
+  const value = generator.valueToCode(block, 'TO', Order.NONE) || 'None';
+  // Cache non-trivial values to variables to prevent repeated look-ups.
+  // Closure, which accesses and modifies 'list'.
+  function cacheList() {
+    if (list.match(/^\w+$/)) {
+      return '';
+    }
+    const listVar = generator.nameDB_!.getDistinctName(
+      'tmp_list',
+      NameType.VARIABLE,
+    );
+    const code = listVar + ' = ' + list + '\n';
+    list = listVar;
+    return code;
+  }
+
+  switch (where) {
+    case 'FIRST':
+      if (mode === 'SET') {
+        return list + '[0] = ' + value + '\n';
+      } else if (mode === 'INSERT') {
+        return list + '.insert(0, ' + value + ')\n';
+      }
+      break;
+    case 'LAST':
+      if (mode === 'SET') {
+        return list + '[-1] = ' + value + '\n';
+      } else if (mode === 'INSERT') {
+        return list + '.append(' + value + ')\n';
+      }
+      break;
+    case 'FROM_START': {
+      const at = generator.getAdjustedInt(block, 'AT');
+      if (mode === 'SET') {
+        return list + '[' + at + '] = ' + value + '\n';
+      } else if (mode === 'INSERT') {
+        return list + '.insert(' + at + ', ' + value + ')\n';
+      }
+      break;
+    }
+    case 'FROM_END': {
+      const at = generator.getAdjustedInt(block, 'AT', 1, true);
+      if (mode === 'SET') {
+        return list + '[' + at + '] = ' + value + '\n';
+      } else if (mode === 'INSERT') {
+        return list + '.insert(' + at + ', ' + value + ')\n';
+      }
+      break;
+    }
+    case 'RANDOM': {
+      (generator as AnyDuringMigration).definitions_['import_random'] =
+        'import random';
+      let code = cacheList();
+      const xVar = generator.nameDB_!.getDistinctName(
+        'tmp_x',
+        NameType.VARIABLE,
+      );
+      code += xVar + ' = int(random.random() * len(' + list + '))\n';
+      if (mode === 'SET') {
+        code += list + '[' + xVar + '] = ' + value + '\n';
+        return code;
+      } else if (mode === 'INSERT') {
+        code += list + '.insert(' + xVar + ', ' + value + ')\n';
+        return code;
+      }
+      break;
+    }
+  }
+  throw Error('Unhandled combination (lists_setIndex).');
+}
+
+export function lists_getSublist(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Get sublist.
+  const list = generator.valueToCode(block, 'LIST', Order.MEMBER) || '[]';
+  const where1 = block.getFieldValue('WHERE1');
+  const where2 = block.getFieldValue('WHERE2');
+  let at1;
+  switch (where1) {
+    case 'FROM_START':
+      at1 = generator.getAdjustedInt(block, 'AT1');
+      if (at1 === 0) {
+        at1 = '';
+      }
+      break;
+    case 'FROM_END':
+      at1 = generator.getAdjustedInt(block, 'AT1', 1, true);
+      break;
+    case 'FIRST':
+      at1 = '';
+      break;
+    default:
+      throw Error('Unhandled option (lists_getSublist)');
+  }
+
+  let at2;
+  switch (where2) {
+    case 'FROM_START':
+      at2 = generator.getAdjustedInt(block, 'AT2', 1);
+      break;
+    case 'FROM_END':
+      at2 = generator.getAdjustedInt(block, 'AT2', 0, true);
+      // Ensure that if the result calculated is 0 that sub-sequence will
+      // include all elements as expected.
+      if (!stringUtils.isNumber(String(at2))) {
+        (generator as AnyDuringMigration).definitions_['import_sys'] =
+          'import sys';
+        at2 += ' or sys.maxsize';
+      } else if (at2 === 0) {
+        at2 = '';
+      }
+      break;
+    case 'LAST':
+      at2 = '';
+      break;
+    default:
+      throw Error('Unhandled option (lists_getSublist)');
+  }
+  const code = list + '[' + at1 + ' : ' + at2 + ']';
+  return [code, Order.MEMBER];
+}
+
+export function lists_sort(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Block for sorting a list.
+  const list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+  const type = block.getFieldValue('TYPE');
+  const reverse = block.getFieldValue('DIRECTION') === '1' ? 'False' : 'True';
+  const sortFunctionName = generator.provideFunction_(
+    'lists_sort',
+    `
+def ${generator.FUNCTION_NAME_PLACEHOLDER_}(my_list, type, reverse):
+  def try_float(s):
+    try:
+      return float(s)
+    except:
+      return 0
+  key_funcs = {
+    "NUMERIC": try_float,
+    "TEXT": str,
+    "IGNORE_CASE": lambda s: str(s).lower()
+  }
+  key_func = key_funcs[type]
+  list_cpy = list(my_list)
+  return sorted(list_cpy, key=key_func, reverse=reverse)
+`,
+  );
+
+  const code =
+    sortFunctionName + '(' + list + ', "' + type + '", ' + reverse + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function lists_split(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Block for splitting text into a list, or joining a list into text.
+  const mode = block.getFieldValue('MODE');
+  let code;
+  if (mode === 'SPLIT') {
+    const value_input =
+      generator.valueToCode(block, 'INPUT', Order.MEMBER) || "''";
+    const value_delim = generator.valueToCode(block, 'DELIM', Order.NONE);
+    code = value_input + '.split(' + value_delim + ')';
+  } else if (mode === 'JOIN') {
+    const value_input =
+      generator.valueToCode(block, 'INPUT', Order.NONE) || '[]';
+    const value_delim =
+      generator.valueToCode(block, 'DELIM', Order.MEMBER) || "''";
+    code = value_delim + '.join(' + value_input + ')';
+  } else {
+    throw Error('Unknown mode: ' + mode);
+  }
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function lists_reverse(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Block for reversing a list.
+  const list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+  const code = 'list(reversed(' + list + '))';
+  return [code, Order.FUNCTION_CALL];
+}
diff --git a/generators/python/logic.js b/generators/python/logic.js
deleted file mode 100644
index 67e06ac3507..00000000000
--- a/generators/python/logic.js
+++ /dev/null
@@ -1,127 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Python for logic blocks.
- * @author q.neutron@gmail.com (Quynh Neutron)
- */
-'use strict';
-
-goog.provide('Blockly.Python.logic');
-
-goog.require('Blockly.Python');
-
-
-Blockly.Python['controls_if'] = function(block) {
-  // If/elseif/else condition.
-  var n = 0;
-  var code = '', branchCode, conditionCode;
-  if (Blockly.Python.STATEMENT_PREFIX) {
-    // Automatic prefix insertion is switched off for this block.  Add manually.
-    code += Blockly.Python.injectId(Blockly.Python.STATEMENT_PREFIX, block);
-  }
-  do {
-    conditionCode = Blockly.Python.valueToCode(block, 'IF' + n,
-        Blockly.Python.ORDER_NONE) || 'False';
-    branchCode = Blockly.Python.statementToCode(block, 'DO' + n) ||
-        Blockly.Python.PASS;
-    if (Blockly.Python.STATEMENT_SUFFIX) {
-      branchCode = Blockly.Python.prefixLines(
-          Blockly.Python.injectId(Blockly.Python.STATEMENT_SUFFIX, block),
-          Blockly.Python.INDENT) + branchCode;
-    }
-    code += (n == 0 ? 'if ' : 'elif ' ) + conditionCode + ':\n' + branchCode;
-    ++n;
-  } while (block.getInput('IF' + n));
-
-  if (block.getInput('ELSE') || Blockly.Python.STATEMENT_SUFFIX) {
-    branchCode = Blockly.Python.statementToCode(block, 'ELSE') ||
-        Blockly.Python.PASS;
-    if (Blockly.Python.STATEMENT_SUFFIX) {
-      branchCode = Blockly.Python.prefixLines(
-          Blockly.Python.injectId(Blockly.Python.STATEMENT_SUFFIX, block),
-          Blockly.Python.INDENT) + branchCode;
-    }
-    code += 'else:\n' + branchCode;
-  }
-  return code;
-};
-
-Blockly.Python['controls_ifelse'] = Blockly.Python['controls_if'];
-
-Blockly.Python['logic_compare'] = function(block) {
-  // Comparison operator.
-  var OPERATORS = {
-    'EQ': '==',
-    'NEQ': '!=',
-    'LT': '<',
-    'LTE': '<=',
-    'GT': '>',
-    'GTE': '>='
-  };
-  var operator = OPERATORS[block.getFieldValue('OP')];
-  var order = Blockly.Python.ORDER_RELATIONAL;
-  var argument0 = Blockly.Python.valueToCode(block, 'A', order) || '0';
-  var argument1 = Blockly.Python.valueToCode(block, 'B', order) || '0';
-  var code = argument0 + ' ' + operator + ' ' + argument1;
-  return [code, order];
-};
-
-Blockly.Python['logic_operation'] = function(block) {
-  // Operations 'and', 'or'.
-  var operator = (block.getFieldValue('OP') == 'AND') ? 'and' : 'or';
-  var order = (operator == 'and') ? Blockly.Python.ORDER_LOGICAL_AND :
-      Blockly.Python.ORDER_LOGICAL_OR;
-  var argument0 = Blockly.Python.valueToCode(block, 'A', order);
-  var argument1 = Blockly.Python.valueToCode(block, 'B', order);
-  if (!argument0 && !argument1) {
-    // If there are no arguments, then the return value is false.
-    argument0 = 'False';
-    argument1 = 'False';
-  } else {
-    // Single missing arguments have no effect on the return value.
-    var defaultArgument = (operator == 'and') ? 'True' : 'False';
-    if (!argument0) {
-      argument0 = defaultArgument;
-    }
-    if (!argument1) {
-      argument1 = defaultArgument;
-    }
-  }
-  var code = argument0 + ' ' + operator + ' ' + argument1;
-  return [code, order];
-};
-
-Blockly.Python['logic_negate'] = function(block) {
-  // Negation.
-  var argument0 = Blockly.Python.valueToCode(block, 'BOOL',
-      Blockly.Python.ORDER_LOGICAL_NOT) || 'True';
-  var code = 'not ' + argument0;
-  return [code, Blockly.Python.ORDER_LOGICAL_NOT];
-};
-
-Blockly.Python['logic_boolean'] = function(block) {
-  // Boolean values true and false.
-  var code = (block.getFieldValue('BOOL') == 'TRUE') ? 'True' : 'False';
-  return [code, Blockly.Python.ORDER_ATOMIC];
-};
-
-Blockly.Python['logic_null'] = function(block) {
-  // Null data type.
-  return ['None', Blockly.Python.ORDER_ATOMIC];
-};
-
-Blockly.Python['logic_ternary'] = function(block) {
-  // Ternary operator.
-  var value_if = Blockly.Python.valueToCode(block, 'IF',
-      Blockly.Python.ORDER_CONDITIONAL) || 'False';
-  var value_then = Blockly.Python.valueToCode(block, 'THEN',
-      Blockly.Python.ORDER_CONDITIONAL) || 'None';
-  var value_else = Blockly.Python.valueToCode(block, 'ELSE',
-      Blockly.Python.ORDER_CONDITIONAL) || 'None';
-  var code = value_then + ' if ' + value_if + ' else ' + value_else;
-  return [code, Blockly.Python.ORDER_CONDITIONAL];
-};
diff --git a/generators/python/logic.ts b/generators/python/logic.ts
new file mode 100644
index 00000000000..40133600d74
--- /dev/null
+++ b/generators/python/logic.ts
@@ -0,0 +1,148 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Python for logic blocks.
+ */
+
+// Former goog.module ID: Blockly.Python.logic
+
+import type {Block} from '../../core/block.js';
+import type {PythonGenerator} from './python_generator.js';
+import {Order} from './python_generator.js';
+
+export function controls_if(block: Block, generator: PythonGenerator) {
+  // If/elseif/else condition.
+  let n = 0;
+  let code = '',
+    branchCode,
+    conditionCode;
+  if (generator.STATEMENT_PREFIX) {
+    // Automatic prefix insertion is switched off for this block.  Add manually.
+    code += generator.injectId(generator.STATEMENT_PREFIX, block);
+  }
+  do {
+    conditionCode =
+      generator.valueToCode(block, 'IF' + n, Order.NONE) || 'False';
+    branchCode = generator.statementToCode(block, 'DO' + n) || generator.PASS;
+    if (generator.STATEMENT_SUFFIX) {
+      branchCode =
+        generator.prefixLines(
+          generator.injectId(generator.STATEMENT_SUFFIX, block),
+          generator.INDENT,
+        ) + branchCode;
+    }
+    code += (n === 0 ? 'if ' : 'elif ') + conditionCode + ':\n' + branchCode;
+    n++;
+  } while (block.getInput('IF' + n));
+
+  if (block.getInput('ELSE') || generator.STATEMENT_SUFFIX) {
+    branchCode = generator.statementToCode(block, 'ELSE') || generator.PASS;
+    if (generator.STATEMENT_SUFFIX) {
+      branchCode =
+        generator.prefixLines(
+          generator.injectId(generator.STATEMENT_SUFFIX, block),
+          generator.INDENT,
+        ) + branchCode;
+    }
+    code += 'else:\n' + branchCode;
+  }
+  return code;
+}
+
+export const controls_ifelse = controls_if;
+
+export function logic_compare(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Comparison operator.
+  const OPERATORS = {
+    'EQ': '==',
+    'NEQ': '!=',
+    'LT': '<',
+    'LTE': '<=',
+    'GT': '>',
+    'GTE': '>=',
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const operator = OPERATORS[block.getFieldValue('OP') as OperatorOption];
+  const order = Order.RELATIONAL;
+  const argument0 = generator.valueToCode(block, 'A', order) || '0';
+  const argument1 = generator.valueToCode(block, 'B', order) || '0';
+  const code = argument0 + ' ' + operator + ' ' + argument1;
+  return [code, order];
+}
+
+export function logic_operation(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Operations 'and', 'or'.
+  const operator = block.getFieldValue('OP') === 'AND' ? 'and' : 'or';
+  const order = operator === 'and' ? Order.LOGICAL_AND : Order.LOGICAL_OR;
+  let argument0 = generator.valueToCode(block, 'A', order);
+  let argument1 = generator.valueToCode(block, 'B', order);
+  if (!argument0 && !argument1) {
+    // If there are no arguments, then the return value is false.
+    argument0 = 'False';
+    argument1 = 'False';
+  } else {
+    // Single missing arguments have no effect on the return value.
+    const defaultArgument = operator === 'and' ? 'True' : 'False';
+    if (!argument0) {
+      argument0 = defaultArgument;
+    }
+    if (!argument1) {
+      argument1 = defaultArgument;
+    }
+  }
+  const code = argument0 + ' ' + operator + ' ' + argument1;
+  return [code, order];
+}
+
+export function logic_negate(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Negation.
+  const argument0 =
+    generator.valueToCode(block, 'BOOL', Order.LOGICAL_NOT) || 'True';
+  const code = 'not ' + argument0;
+  return [code, Order.LOGICAL_NOT];
+}
+
+export function logic_boolean(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Boolean values true and false.
+  const code = block.getFieldValue('BOOL') === 'TRUE' ? 'True' : 'False';
+  return [code, Order.ATOMIC];
+}
+
+export function logic_null(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Null data type.
+  return ['None', Order.ATOMIC];
+}
+
+export function logic_ternary(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Ternary operator.
+  const value_if =
+    generator.valueToCode(block, 'IF', Order.CONDITIONAL) || 'False';
+  const value_then =
+    generator.valueToCode(block, 'THEN', Order.CONDITIONAL) || 'None';
+  const value_else =
+    generator.valueToCode(block, 'ELSE', Order.CONDITIONAL) || 'None';
+  const code = value_then + ' if ' + value_if + ' else ' + value_else;
+  return [code, Order.CONDITIONAL];
+}
diff --git a/generators/python/loops.js b/generators/python/loops.js
deleted file mode 100644
index 792d887b6e2..00000000000
--- a/generators/python/loops.js
+++ /dev/null
@@ -1,214 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Python for loop blocks.
- * @author q.neutron@gmail.com (Quynh Neutron)
- */
-'use strict';
-
-goog.provide('Blockly.Python.loops');
-
-goog.require('Blockly.Python');
-
-
-Blockly.Python['controls_repeat_ext'] = function(block) {
-  // Repeat n times.
-  if (block.getField('TIMES')) {
-    // Internal number.
-    var repeats = String(parseInt(block.getFieldValue('TIMES'), 10));
-  } else {
-    // External number.
-    var repeats = Blockly.Python.valueToCode(block, 'TIMES',
-        Blockly.Python.ORDER_NONE) || '0';
-  }
-  if (Blockly.isNumber(repeats)) {
-    repeats = parseInt(repeats, 10);
-  } else {
-    repeats = 'int(' + repeats + ')';
-  }
-  var branch = Blockly.Python.statementToCode(block, 'DO');
-  branch = Blockly.Python.addLoopTrap(branch, block) || Blockly.Python.PASS;
-  var loopVar = Blockly.Python.variableDB_.getDistinctName(
-      'count', Blockly.VARIABLE_CATEGORY_NAME);
-  var code = 'for ' + loopVar + ' in range(' + repeats + '):\n' + branch;
-  return code;
-};
-
-Blockly.Python['controls_repeat'] = Blockly.Python['controls_repeat_ext'];
-
-Blockly.Python['controls_whileUntil'] = function(block) {
-  // Do while/until loop.
-  var until = block.getFieldValue('MODE') == 'UNTIL';
-  var argument0 = Blockly.Python.valueToCode(block, 'BOOL',
-      until ? Blockly.Python.ORDER_LOGICAL_NOT :
-      Blockly.Python.ORDER_NONE) || 'False';
-  var branch = Blockly.Python.statementToCode(block, 'DO');
-  branch = Blockly.Python.addLoopTrap(branch, block) || Blockly.Python.PASS;
-  if (until) {
-    argument0 = 'not ' + argument0;
-  }
-  return 'while ' + argument0 + ':\n' + branch;
-};
-
-Blockly.Python['controls_for'] = function(block) {
-  // For loop.
-  var variable0 = Blockly.Python.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  var argument0 = Blockly.Python.valueToCode(block, 'FROM',
-      Blockly.Python.ORDER_NONE) || '0';
-  var argument1 = Blockly.Python.valueToCode(block, 'TO',
-      Blockly.Python.ORDER_NONE) || '0';
-  var increment = Blockly.Python.valueToCode(block, 'BY',
-      Blockly.Python.ORDER_NONE) || '1';
-  var branch = Blockly.Python.statementToCode(block, 'DO');
-  branch = Blockly.Python.addLoopTrap(branch, block) || Blockly.Python.PASS;
-
-  var code = '';
-  var range;
-
-  // Helper functions.
-  var defineUpRange = function() {
-    return Blockly.Python.provideFunction_(
-        'upRange',
-        ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ +
-            '(start, stop, step):',
-         '  while start <= stop:',
-         '    yield start',
-         '    start += abs(step)']);
-  };
-  var defineDownRange = function() {
-    return Blockly.Python.provideFunction_(
-        'downRange',
-        ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ +
-            '(start, stop, step):',
-         '  while start >= stop:',
-         '    yield start',
-         '    start -= abs(step)']);
-  };
-  // Arguments are legal Python code (numbers or strings returned by scrub()).
-  var generateUpDownRange = function(start, end, inc) {
-    return '(' + start + ' <= ' + end + ') and ' +
-        defineUpRange() + '(' + start + ', ' + end + ', ' + inc + ') or ' +
-        defineDownRange() + '(' + start + ', ' + end + ', ' + inc + ')';
-  };
-
-  if (Blockly.isNumber(argument0) && Blockly.isNumber(argument1) &&
-      Blockly.isNumber(increment)) {
-    // All parameters are simple numbers.
-    argument0 = Number(argument0);
-    argument1 = Number(argument1);
-    increment = Math.abs(Number(increment));
-    if (argument0 % 1 === 0 && argument1 % 1 === 0 && increment % 1 === 0) {
-      // All parameters are integers.
-      if (argument0 <= argument1) {
-        // Count up.
-        argument1++;
-        if (argument0 == 0 && increment == 1) {
-          // If starting index is 0, omit it.
-          range = argument1;
-        } else {
-          range = argument0 + ', ' + argument1;
-        }
-        // If increment isn't 1, it must be explicit.
-        if (increment != 1) {
-          range += ', ' + increment;
-        }
-      } else {
-        // Count down.
-        argument1--;
-        range = argument0 + ', ' + argument1 + ', -' + increment;
-      }
-      range = 'range(' + range + ')';
-    } else {
-      // At least one of the parameters is not an integer.
-      if (argument0 < argument1) {
-        range = defineUpRange();
-      } else {
-        range = defineDownRange();
-      }
-      range += '(' + argument0 + ', ' + argument1 + ', ' + increment + ')';
-    }
-  } else {
-    // Cache non-trivial values to variables to prevent repeated look-ups.
-    var scrub = function(arg, suffix) {
-      if (Blockly.isNumber(arg)) {
-        // Simple number.
-        arg = Number(arg);
-      } else if (arg.match(/^\w+$/)) {
-        // Variable.
-        arg = 'float(' + arg + ')';
-      } else {
-        // It's complicated.
-        var varName = Blockly.Python.variableDB_.getDistinctName(
-            variable0 + suffix, Blockly.VARIABLE_CATEGORY_NAME);
-        code += varName + ' = float(' + arg + ')\n';
-        arg = varName;
-      }
-      return arg;
-    };
-    var startVar = scrub(argument0, '_start');
-    var endVar = scrub(argument1, '_end');
-    var incVar = scrub(increment, '_inc');
-
-    if (typeof startVar == 'number' && typeof endVar == 'number') {
-      if (startVar < endVar) {
-        range = defineUpRange();
-      } else {
-        range = defineDownRange();
-      }
-      range += '(' + startVar + ', ' + endVar + ', ' + incVar + ')';
-    } else {
-      // We cannot determine direction statically.
-      range = generateUpDownRange(startVar, endVar, incVar);
-    }
-  }
-  code += 'for ' + variable0 + ' in ' + range + ':\n' + branch;
-  return code;
-};
-
-Blockly.Python['controls_forEach'] = function(block) {
-  // For each loop.
-  var variable0 = Blockly.Python.variableDB_.getName(
-      block.getFieldValue('VAR'), Blockly.VARIABLE_CATEGORY_NAME);
-  var argument0 = Blockly.Python.valueToCode(block, 'LIST',
-      Blockly.Python.ORDER_RELATIONAL) || '[]';
-  var branch = Blockly.Python.statementToCode(block, 'DO');
-  branch = Blockly.Python.addLoopTrap(branch, block) || Blockly.Python.PASS;
-  var code = 'for ' + variable0 + ' in ' + argument0 + ':\n' + branch;
-  return code;
-};
-
-Blockly.Python['controls_flow_statements'] = function(block) {
-  // Flow statements: continue, break.
-  var xfix = '';
-  if (Blockly.Python.STATEMENT_PREFIX) {
-    // Automatic prefix insertion is switched off for this block.  Add manually.
-    xfix += Blockly.Python.injectId(Blockly.Python.STATEMENT_PREFIX, block);
-  }
-  if (Blockly.Python.STATEMENT_SUFFIX) {
-    // Inject any statement suffix here since the regular one at the end
-    // will not get executed if the break/continue is triggered.
-    xfix += Blockly.Python.injectId(Blockly.Python.STATEMENT_SUFFIX, block);
-  }
-  if (Blockly.Python.STATEMENT_PREFIX) {
-    var loop = Blockly.Constants.Loops
-        .CONTROL_FLOW_IN_LOOP_CHECK_MIXIN.getSurroundLoop(block);
-    if (loop && !loop.suppressPrefixSuffix) {
-      // Inject loop's statement prefix here since the regular one at the end
-      // of the loop will not get executed if 'continue' is triggered.
-      // In the case of 'break', a prefix is needed due to the loop's suffix.
-      xfix += Blockly.Python.injectId(Blockly.Python.STATEMENT_PREFIX, loop);
-    }
-  }
-  switch (block.getFieldValue('FLOW')) {
-    case 'BREAK':
-      return xfix + 'break\n';
-    case 'CONTINUE':
-      return xfix + 'continue\n';
-  }
-  throw Error('Unknown flow statement.');
-};
diff --git a/generators/python/loops.ts b/generators/python/loops.ts
new file mode 100644
index 00000000000..7ca7a5582e5
--- /dev/null
+++ b/generators/python/loops.ts
@@ -0,0 +1,251 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Python for loop blocks.
+ */
+
+// Former goog.module ID: Blockly.Python.loops
+
+import * as stringUtils from '../../core/utils/string.js';
+import type {Block} from '../../core/block.js';
+import type {ControlFlowInLoopBlock} from '../../blocks/loops.js';
+import type {PythonGenerator} from './python_generator.js';
+import {NameType} from '../../core/names.js';
+import {Order} from './python_generator.js';
+
+export function controls_repeat_ext(block: Block, generator: PythonGenerator) {
+  // Repeat n times.
+  let repeats;
+  if (block.getField('TIMES')) {
+    // Internal number.
+    repeats = String(parseInt(block.getFieldValue('TIMES'), 10));
+  } else {
+    // External number.
+    repeats = generator.valueToCode(block, 'TIMES', Order.NONE) || '0';
+  }
+  if (stringUtils.isNumber(repeats)) {
+    repeats = parseInt(repeats, 10);
+  } else {
+    repeats = 'int(' + repeats + ')';
+  }
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block) || generator.PASS;
+  const loopVar = generator.nameDB_!.getDistinctName(
+    'count',
+    NameType.VARIABLE,
+  );
+  const code = 'for ' + loopVar + ' in range(' + repeats + '):\n' + branch;
+  return code;
+}
+
+export const controls_repeat = controls_repeat_ext;
+
+export function controls_whileUntil(block: Block, generator: PythonGenerator) {
+  // Do while/until loop.
+  const until = block.getFieldValue('MODE') === 'UNTIL';
+  let argument0 =
+    generator.valueToCode(
+      block,
+      'BOOL',
+      until ? Order.LOGICAL_NOT : Order.NONE,
+    ) || 'False';
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block) || generator.PASS;
+  if (until) {
+    argument0 = 'not ' + argument0;
+  }
+  return 'while ' + argument0 + ':\n' + branch;
+}
+
+export function controls_for(block: Block, generator: PythonGenerator) {
+  // For loop.
+  const variable0 = generator.getVariableName(block.getFieldValue('VAR'));
+  let argument0: string | number =
+    generator.valueToCode(block, 'FROM', Order.NONE) || '0';
+  let argument1: string | number =
+    generator.valueToCode(block, 'TO', Order.NONE) || '0';
+  let increment: string | number =
+    generator.valueToCode(block, 'BY', Order.NONE) || '1';
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block) || generator.PASS;
+
+  let code = '';
+  let range;
+
+  // Helper functions.
+  const defineUpRange = function () {
+    return generator.provideFunction_(
+      'upRange',
+      `
+def ${generator.FUNCTION_NAME_PLACEHOLDER_}(start, stop, step):
+  while start <= stop:
+    yield start
+    start += abs(step)
+`,
+    );
+  };
+  const defineDownRange = function () {
+    return generator.provideFunction_(
+      'downRange',
+      `
+def ${generator.FUNCTION_NAME_PLACEHOLDER_}(start, stop, step):
+  while start >= stop:
+    yield start
+    start -= abs(step)
+`,
+    );
+  };
+  // Arguments are legal generator code (numbers or strings returned by scrub()).
+  const generateUpDownRange = function (
+    start: string,
+    end: string,
+    inc: string,
+  ) {
+    return (
+      '(' +
+      start +
+      ' <= ' +
+      end +
+      ') and ' +
+      defineUpRange() +
+      '(' +
+      start +
+      ', ' +
+      end +
+      ', ' +
+      inc +
+      ') or ' +
+      defineDownRange() +
+      '(' +
+      start +
+      ', ' +
+      end +
+      ', ' +
+      inc +
+      ')'
+    );
+  };
+
+  if (
+    stringUtils.isNumber(argument0) &&
+    stringUtils.isNumber(argument1) &&
+    stringUtils.isNumber(increment)
+  ) {
+    // All parameters are simple numbers.
+    argument0 = Number(argument0);
+    argument1 = Number(argument1);
+    increment = Math.abs(Number(increment));
+    if (argument0 % 1 === 0 && argument1 % 1 === 0 && increment % 1 === 0) {
+      // All parameters are integers.
+      if (argument0 <= argument1) {
+        // Count up.
+        argument1++;
+        if (argument0 === 0 && increment === 1) {
+          // If starting index is 0, omit it.
+          range = argument1;
+        } else {
+          range = argument0 + ', ' + argument1;
+        }
+        // If increment isn't 1, it must be explicit.
+        if (increment !== 1) {
+          range += ', ' + increment;
+        }
+      } else {
+        // Count down.
+        argument1--;
+        range = argument0 + ', ' + argument1 + ', -' + increment;
+      }
+      range = 'range(' + range + ')';
+    } else {
+      // At least one of the parameters is not an integer.
+      if (argument0 < argument1) {
+        range = defineUpRange();
+      } else {
+        range = defineDownRange();
+      }
+      range += '(' + argument0 + ', ' + argument1 + ', ' + increment + ')';
+    }
+  } else {
+    // Cache non-trivial values to variables to prevent repeated look-ups.
+    const scrub = function (arg: string, suffix: string) {
+      if (stringUtils.isNumber(arg)) {
+        // Simple number.
+        arg = String(Number(arg));
+      } else if (!arg.match(/^\w+$/)) {
+        // Not a variable, it's complicated.
+        const varName = generator.nameDB_!.getDistinctName(
+          variable0 + suffix,
+          NameType.VARIABLE,
+        );
+        code += varName + ' = ' + arg + '\n';
+        arg = varName;
+      }
+      return arg;
+    };
+    const startVar = scrub(argument0, '_start');
+    const endVar = scrub(argument1, '_end');
+    const incVar = scrub(increment, '_inc');
+
+    if (typeof startVar === 'number' && typeof endVar === 'number') {
+      if (startVar < endVar) {
+        range = defineUpRange();
+      } else {
+        range = defineDownRange();
+      }
+      range += '(' + startVar + ', ' + endVar + ', ' + incVar + ')';
+    } else {
+      // We cannot determine direction statically.
+      range = generateUpDownRange(startVar, endVar, incVar);
+    }
+  }
+  code += 'for ' + variable0 + ' in ' + range + ':\n' + branch;
+  return code;
+}
+
+export function controls_forEach(block: Block, generator: PythonGenerator) {
+  // For each loop.
+  const variable0 = generator.getVariableName(block.getFieldValue('VAR'));
+  const argument0 =
+    generator.valueToCode(block, 'LIST', Order.RELATIONAL) || '[]';
+  let branch = generator.statementToCode(block, 'DO');
+  branch = generator.addLoopTrap(branch, block) || generator.PASS;
+  const code = 'for ' + variable0 + ' in ' + argument0 + ':\n' + branch;
+  return code;
+}
+
+export function controls_flow_statements(
+  block: Block,
+  generator: PythonGenerator,
+) {
+  // Flow statements: continue, break.
+  let xfix = '';
+  if (generator.STATEMENT_PREFIX) {
+    // Automatic prefix insertion is switched off for this block.  Add manually.
+    xfix += generator.injectId(generator.STATEMENT_PREFIX, block);
+  }
+  if (generator.STATEMENT_SUFFIX) {
+    // Inject any statement suffix here since the regular one at the end
+    // will not get executed if the break/continue is triggered.
+    xfix += generator.injectId(generator.STATEMENT_SUFFIX, block);
+  }
+  if (generator.STATEMENT_PREFIX) {
+    const loop = (block as ControlFlowInLoopBlock).getSurroundLoop();
+    if (loop && !loop.suppressPrefixSuffix) {
+      // Inject loop's statement prefix here since the regular one at the end
+      // of the loop will not get executed if 'continue' is triggered.
+      // In the case of 'break', a prefix is needed due to the loop's suffix.
+      xfix += generator.injectId(generator.STATEMENT_PREFIX, loop);
+    }
+  }
+  switch (block.getFieldValue('FLOW')) {
+    case 'BREAK':
+      return xfix + 'break\n';
+    case 'CONTINUE':
+      return xfix + 'continue\n';
+  }
+  throw Error('Unknown flow statement.');
+}
diff --git a/generators/python/math.js b/generators/python/math.js
deleted file mode 100644
index c5d3eb6dbf8..00000000000
--- a/generators/python/math.js
+++ /dev/null
@@ -1,385 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Python for math blocks.
- * @author q.neutron@gmail.com (Quynh Neutron)
- */
-'use strict';
-
-goog.provide('Blockly.Python.math');
-
-goog.require('Blockly.Python');
-
-
-// If any new block imports any library, add that library name here.
-Blockly.Python.addReservedWords('math,random,Number');
-
-Blockly.Python['math_number'] = function(block) {
-  // Numeric value.
-  var code = Number(block.getFieldValue('NUM'));
-  var order;
-  if (code == Infinity) {
-    code = 'float("inf")';
-    order = Blockly.Python.ORDER_FUNCTION_CALL;
-  } else if (code == -Infinity) {
-    code = '-float("inf")';
-    order = Blockly.Python.ORDER_UNARY_SIGN;
-  } else {
-    order = code < 0 ? Blockly.Python.ORDER_UNARY_SIGN :
-            Blockly.Python.ORDER_ATOMIC;
-  }
-  return [code, order];
-};
-
-Blockly.Python['math_arithmetic'] = function(block) {
-  // Basic arithmetic operators, and power.
-  var OPERATORS = {
-    'ADD': [' + ', Blockly.Python.ORDER_ADDITIVE],
-    'MINUS': [' - ', Blockly.Python.ORDER_ADDITIVE],
-    'MULTIPLY': [' * ', Blockly.Python.ORDER_MULTIPLICATIVE],
-    'DIVIDE': [' / ', Blockly.Python.ORDER_MULTIPLICATIVE],
-    'POWER': [' ** ', Blockly.Python.ORDER_EXPONENTIATION]
-  };
-  var tuple = OPERATORS[block.getFieldValue('OP')];
-  var operator = tuple[0];
-  var order = tuple[1];
-  var argument0 = Blockly.Python.valueToCode(block, 'A', order) || '0';
-  var argument1 = Blockly.Python.valueToCode(block, 'B', order) || '0';
-  var code = argument0 + operator + argument1;
-  return [code, order];
-  // In case of 'DIVIDE', division between integers returns different results
-  // in Python 2 and 3. However, is not an issue since Blockly does not
-  // guarantee identical results in all languages.  To do otherwise would
-  // require every operator to be wrapped in a function call.  This would kill
-  // legibility of the generated code.
-};
-
-Blockly.Python['math_single'] = function(block) {
-  // Math operators with single operand.
-  var operator = block.getFieldValue('OP');
-  var code;
-  var arg;
-  if (operator == 'NEG') {
-    // Negation is a special case given its different operator precedence.
-    code = Blockly.Python.valueToCode(block, 'NUM',
-        Blockly.Python.ORDER_UNARY_SIGN) || '0';
-    return ['-' + code, Blockly.Python.ORDER_UNARY_SIGN];
-  }
-  Blockly.Python.definitions_['import_math'] = 'import math';
-  if (operator == 'SIN' || operator == 'COS' || operator == 'TAN') {
-    arg = Blockly.Python.valueToCode(block, 'NUM',
-        Blockly.Python.ORDER_MULTIPLICATIVE) || '0';
-  } else {
-    arg = Blockly.Python.valueToCode(block, 'NUM',
-        Blockly.Python.ORDER_NONE) || '0';
-  }
-  // First, handle cases which generate values that don't need parentheses
-  // wrapping the code.
-  switch (operator) {
-    case 'ABS':
-      code = 'math.fabs(' + arg + ')';
-      break;
-    case 'ROOT':
-      code = 'math.sqrt(' + arg + ')';
-      break;
-    case 'LN':
-      code = 'math.log(' + arg + ')';
-      break;
-    case 'LOG10':
-      code = 'math.log10(' + arg + ')';
-      break;
-    case 'EXP':
-      code = 'math.exp(' + arg + ')';
-      break;
-    case 'POW10':
-      code = 'math.pow(10,' + arg + ')';
-      break;
-    case 'ROUND':
-      code = 'round(' + arg + ')';
-      break;
-    case 'ROUNDUP':
-      code = 'math.ceil(' + arg + ')';
-      break;
-    case 'ROUNDDOWN':
-      code = 'math.floor(' + arg + ')';
-      break;
-    case 'SIN':
-      code = 'math.sin(' + arg + ' / 180.0 * math.pi)';
-      break;
-    case 'COS':
-      code = 'math.cos(' + arg + ' / 180.0 * math.pi)';
-      break;
-    case 'TAN':
-      code = 'math.tan(' + arg + ' / 180.0 * math.pi)';
-      break;
-  }
-  if (code) {
-    return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-  }
-  // Second, handle cases which generate values that may need parentheses
-  // wrapping the code.
-  switch (operator) {
-    case 'ASIN':
-      code = 'math.asin(' + arg + ') / math.pi * 180';
-      break;
-    case 'ACOS':
-      code = 'math.acos(' + arg + ') / math.pi * 180';
-      break;
-    case 'ATAN':
-      code = 'math.atan(' + arg + ') / math.pi * 180';
-      break;
-    default:
-      throw Error('Unknown math operator: ' + operator);
-  }
-  return [code, Blockly.Python.ORDER_MULTIPLICATIVE];
-};
-
-Blockly.Python['math_constant'] = function(block) {
-  // Constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
-  var CONSTANTS = {
-    'PI': ['math.pi', Blockly.Python.ORDER_MEMBER],
-    'E': ['math.e', Blockly.Python.ORDER_MEMBER],
-    'GOLDEN_RATIO': ['(1 + math.sqrt(5)) / 2',
-                     Blockly.Python.ORDER_MULTIPLICATIVE],
-    'SQRT2': ['math.sqrt(2)', Blockly.Python.ORDER_MEMBER],
-    'SQRT1_2': ['math.sqrt(1.0 / 2)', Blockly.Python.ORDER_MEMBER],
-    'INFINITY': ['float(\'inf\')', Blockly.Python.ORDER_ATOMIC]
-  };
-  var constant = block.getFieldValue('CONSTANT');
-  if (constant != 'INFINITY') {
-    Blockly.Python.definitions_['import_math'] = 'import math';
-  }
-  return CONSTANTS[constant];
-};
-
-Blockly.Python['math_number_property'] = function(block) {
-  // Check if a number is even, odd, prime, whole, positive, or negative
-  // or if it is divisible by certain number. Returns true or false.
-  var number_to_check = Blockly.Python.valueToCode(block, 'NUMBER_TO_CHECK',
-      Blockly.Python.ORDER_MULTIPLICATIVE) || '0';
-  var dropdown_property = block.getFieldValue('PROPERTY');
-  var code;
-  if (dropdown_property == 'PRIME') {
-    Blockly.Python.definitions_['import_math'] = 'import math';
-    Blockly.Python.definitions_['from_numbers_import_Number'] =
-        'from numbers import Number';
-    var functionName = Blockly.Python.provideFunction_(
-        'math_isPrime',
-        ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ + '(n):',
-         '  # https://en.wikipedia.org/wiki/Primality_test#Naive_methods',
-         '  # If n is not a number but a string, try parsing it.',
-         '  if not isinstance(n, Number):',
-         '    try:',
-         '      n = float(n)',
-         '    except:',
-         '      return False',
-         '  if n == 2 or n == 3:',
-         '    return True',
-         '  # False if n is negative, is 1, or not whole,' +
-             ' or if n is divisible by 2 or 3.',
-         '  if n <= 1 or n % 1 != 0 or n % 2 == 0 or n % 3 == 0:',
-         '    return False',
-         '  # Check all the numbers of form 6k +/- 1, up to sqrt(n).',
-         '  for x in range(6, int(math.sqrt(n)) + 2, 6):',
-         '    if n % (x - 1) == 0 or n % (x + 1) == 0:',
-         '      return False',
-         '  return True']);
-    code = functionName + '(' + number_to_check + ')';
-    return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-  }
-  switch (dropdown_property) {
-    case 'EVEN':
-      code = number_to_check + ' % 2 == 0';
-      break;
-    case 'ODD':
-      code = number_to_check + ' % 2 == 1';
-      break;
-    case 'WHOLE':
-      code = number_to_check + ' % 1 == 0';
-      break;
-    case 'POSITIVE':
-      code = number_to_check + ' > 0';
-      break;
-    case 'NEGATIVE':
-      code = number_to_check + ' < 0';
-      break;
-    case 'DIVISIBLE_BY':
-      var divisor = Blockly.Python.valueToCode(block, 'DIVISOR',
-          Blockly.Python.ORDER_MULTIPLICATIVE);
-      // If 'divisor' is some code that evals to 0, Python will raise an error.
-      if (!divisor || divisor == '0') {
-        return ['False', Blockly.Python.ORDER_ATOMIC];
-      }
-      code = number_to_check + ' % ' + divisor + ' == 0';
-      break;
-  }
-  return [code, Blockly.Python.ORDER_RELATIONAL];
-};
-
-Blockly.Python['math_change'] = function(block) {
-  // Add to a variable in place.
-  Blockly.Python.definitions_['from_numbers_import_Number'] =
-      'from numbers import Number';
-  var argument0 = Blockly.Python.valueToCode(block, 'DELTA',
-      Blockly.Python.ORDER_ADDITIVE) || '0';
-  var varName = Blockly.Python.variableDB_.getName(block.getFieldValue('VAR'),
-      Blockly.VARIABLE_CATEGORY_NAME);
-  return varName + ' = (' + varName + ' if isinstance(' + varName +
-      ', Number) else 0) + ' + argument0 + '\n';
-};
-
-// Rounding functions have a single operand.
-Blockly.Python['math_round'] = Blockly.Python['math_single'];
-// Trigonometry functions have a single operand.
-Blockly.Python['math_trig'] = Blockly.Python['math_single'];
-
-Blockly.Python['math_on_list'] = function(block) {
-  // Math functions for lists.
-  var func = block.getFieldValue('OP');
-  var list = Blockly.Python.valueToCode(block, 'LIST',
-      Blockly.Python.ORDER_NONE) || '[]';
-  var code;
-  switch (func) {
-    case 'SUM':
-      code = 'sum(' + list + ')';
-      break;
-    case 'MIN':
-      code = 'min(' + list + ')';
-      break;
-    case 'MAX':
-      code = 'max(' + list + ')';
-      break;
-    case 'AVERAGE':
-      Blockly.Python.definitions_['from_numbers_import_Number'] =
-          'from numbers import Number';
-      var functionName = Blockly.Python.provideFunction_(
-          'math_mean',
-          // This operation excludes null and values that aren't int or float:',
-          // math_mean([null, null, "aString", 1, 9]) == 5.0.',
-          ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ + '(myList):',
-           '  localList = [e for e in myList if isinstance(e, Number)]',
-           '  if not localList: return',
-           '  return float(sum(localList)) / len(localList)']);
-      code = functionName + '(' + list + ')';
-      break;
-    case 'MEDIAN':
-      Blockly.Python.definitions_['from_numbers_import_Number'] =
-          'from numbers import Number';
-      var functionName = Blockly.Python.provideFunction_(
-          'math_median',
-          // This operation excludes null values:
-          // math_median([null, null, 1, 3]) == 2.0.
-          ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ + '(myList):',
-           '  localList = sorted([e for e in myList if isinstance(e, Number)])',
-           '  if not localList: return',
-           '  if len(localList) % 2 == 0:',
-           '    return (localList[len(localList) // 2 - 1] + ' +
-               'localList[len(localList) // 2]) / 2.0',
-           '  else:',
-           '    return localList[(len(localList) - 1) // 2]']);
-      code = functionName + '(' + list + ')';
-      break;
-    case 'MODE':
-      var functionName = Blockly.Python.provideFunction_(
-          'math_modes',
-          // As a list of numbers can contain more than one mode,
-          // the returned result is provided as an array.
-          // Mode of [3, 'x', 'x', 1, 1, 2, '3'] -> ['x', 1].
-          ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ + '(some_list):',
-           '  modes = []',
-           '  # Using a lists of [item, count] to keep count rather than dict',
-           '  # to avoid "unhashable" errors when the counted item is ' +
-               'itself a list or dict.',
-           '  counts = []',
-           '  maxCount = 1',
-           '  for item in some_list:',
-           '    found = False',
-           '    for count in counts:',
-           '      if count[0] == item:',
-           '        count[1] += 1',
-           '        maxCount = max(maxCount, count[1])',
-           '        found = True',
-           '    if not found:',
-           '      counts.append([item, 1])',
-           '  for counted_item, item_count in counts:',
-           '    if item_count == maxCount:',
-           '      modes.append(counted_item)',
-           '  return modes']);
-      code = functionName + '(' + list + ')';
-      break;
-    case 'STD_DEV':
-      Blockly.Python.definitions_['import_math'] = 'import math';
-      var functionName = Blockly.Python.provideFunction_(
-          'math_standard_deviation',
-          ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ + '(numbers):',
-           '  n = len(numbers)',
-           '  if n == 0: return',
-           '  mean = float(sum(numbers)) / n',
-           '  variance = sum((x - mean) ** 2 for x in numbers) / n',
-           '  return math.sqrt(variance)']);
-      code = functionName + '(' + list + ')';
-      break;
-    case 'RANDOM':
-      Blockly.Python.definitions_['import_random'] = 'import random';
-      code = 'random.choice(' + list + ')';
-      break;
-    default:
-      throw Error('Unknown operator: ' + func);
-  }
-  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['math_modulo'] = function(block) {
-  // Remainder computation.
-  var argument0 = Blockly.Python.valueToCode(block, 'DIVIDEND',
-      Blockly.Python.ORDER_MULTIPLICATIVE) || '0';
-  var argument1 = Blockly.Python.valueToCode(block, 'DIVISOR',
-      Blockly.Python.ORDER_MULTIPLICATIVE) || '0';
-  var code = argument0 + ' % ' + argument1;
-  return [code, Blockly.Python.ORDER_MULTIPLICATIVE];
-};
-
-Blockly.Python['math_constrain'] = function(block) {
-  // Constrain a number between two limits.
-  var argument0 = Blockly.Python.valueToCode(block, 'VALUE',
-      Blockly.Python.ORDER_NONE) || '0';
-  var argument1 = Blockly.Python.valueToCode(block, 'LOW',
-      Blockly.Python.ORDER_NONE) || '0';
-  var argument2 = Blockly.Python.valueToCode(block, 'HIGH',
-      Blockly.Python.ORDER_NONE) || 'float(\'inf\')';
-  var code = 'min(max(' + argument0 + ', ' + argument1 + '), ' +
-      argument2 + ')';
-  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['math_random_int'] = function(block) {
-  // Random integer between [X] and [Y].
-  Blockly.Python.definitions_['import_random'] = 'import random';
-  var argument0 = Blockly.Python.valueToCode(block, 'FROM',
-      Blockly.Python.ORDER_NONE) || '0';
-  var argument1 = Blockly.Python.valueToCode(block, 'TO',
-      Blockly.Python.ORDER_NONE) || '0';
-  var code = 'random.randint(' + argument0 + ', ' + argument1 + ')';
-  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['math_random_float'] = function(block) {
-  // Random fraction between 0 and 1.
-  Blockly.Python.definitions_['import_random'] = 'import random';
-  return ['random.random()', Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['math_atan2'] = function(block) {
-  // Arctangent of point (X, Y) in degrees from -180 to 180.
-  Blockly.Python.definitions_['import_math'] = 'import math';
-  var argument0 = Blockly.Python.valueToCode(block, 'X',
-      Blockly.Python.ORDER_NONE) || '0';
-  var argument1 = Blockly.Python.valueToCode(block, 'Y',
-      Blockly.Python.ORDER_NONE) || '0';
-  return ['math.atan2(' + argument1 + ', ' + argument0 + ') / math.pi * 180',
-      Blockly.Python.ORDER_MULTIPLICATIVE];
-};
diff --git a/generators/python/math.ts b/generators/python/math.ts
new file mode 100644
index 00000000000..59b68c7a7e6
--- /dev/null
+++ b/generators/python/math.ts
@@ -0,0 +1,434 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Python for math blocks.
+ */
+
+// Former goog.module ID: Blockly.Python.math
+
+import type {Block} from '../../core/block.js';
+import type {PythonGenerator} from './python_generator.js';
+import {Order} from './python_generator.js';
+
+// If any new block imports any library, add that library name here.
+// RESERVED WORDS: 'math,random,Number'
+
+export function math_number(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Numeric value.
+  let number = Number(block.getFieldValue('NUM'));
+  if (number === Infinity) {
+    return ['float("inf")', Order.FUNCTION_CALL];
+  } else if (number === -Infinity) {
+    return ['-float("inf")', Order.UNARY_SIGN];
+  } else {
+    return [String(number), number < 0 ? Order.UNARY_SIGN : Order.ATOMIC];
+  }
+}
+
+export function math_arithmetic(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Basic arithmetic operators, and power.
+  const OPERATORS: Record<string, [string | null, Order]> = {
+    'ADD': [' + ', Order.ADDITIVE],
+    'MINUS': [' - ', Order.ADDITIVE],
+    'MULTIPLY': [' * ', Order.MULTIPLICATIVE],
+    'DIVIDE': [' / ', Order.MULTIPLICATIVE],
+    'POWER': [' ** ', Order.EXPONENTIATION],
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const tuple = OPERATORS[block.getFieldValue('OP') as OperatorOption];
+  const operator = tuple[0];
+  const order = tuple[1];
+  const argument0 = generator.valueToCode(block, 'A', order) || '0';
+  const argument1 = generator.valueToCode(block, 'B', order) || '0';
+  const code = argument0 + operator + argument1;
+  return [code, order];
+  // In case of 'DIVIDE', division between integers returns different results
+  // in generator 2 and 3. However, is not an issue since Blockly does not
+  // guarantee identical results in all languages.  To do otherwise would
+  // require every operator to be wrapped in a function call.  This would kill
+  // legibility of the generated code.
+}
+
+export function math_single(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Math operators with single operand.
+  const operator = block.getFieldValue('OP');
+  let code;
+  let arg;
+  if (operator === 'NEG') {
+    // Negation is a special case given its different operator precedence.
+    code = generator.valueToCode(block, 'NUM', Order.UNARY_SIGN) || '0';
+    return ['-' + code, Order.UNARY_SIGN];
+  }
+  // TODO(#7600): find better approach than casting to any to override
+  // CodeGenerator declaring .definitions protected (here and below).
+  (generator as AnyDuringMigration).definitions_['import_math'] = 'import math';
+  if (operator === 'SIN' || operator === 'COS' || operator === 'TAN') {
+    arg = generator.valueToCode(block, 'NUM', Order.MULTIPLICATIVE) || '0';
+  } else {
+    arg = generator.valueToCode(block, 'NUM', Order.NONE) || '0';
+  }
+  // First, handle cases which generate values that don't need parentheses
+  // wrapping the code.
+  switch (operator) {
+    case 'ABS':
+      code = 'math.fabs(' + arg + ')';
+      break;
+    case 'ROOT':
+      code = 'math.sqrt(' + arg + ')';
+      break;
+    case 'LN':
+      code = 'math.log(' + arg + ')';
+      break;
+    case 'LOG10':
+      code = 'math.log10(' + arg + ')';
+      break;
+    case 'EXP':
+      code = 'math.exp(' + arg + ')';
+      break;
+    case 'POW10':
+      code = 'math.pow(10,' + arg + ')';
+      break;
+    case 'ROUND':
+      code = 'round(' + arg + ')';
+      break;
+    case 'ROUNDUP':
+      code = 'math.ceil(' + arg + ')';
+      break;
+    case 'ROUNDDOWN':
+      code = 'math.floor(' + arg + ')';
+      break;
+    case 'SIN':
+      code = 'math.sin(' + arg + ' / 180.0 * math.pi)';
+      break;
+    case 'COS':
+      code = 'math.cos(' + arg + ' / 180.0 * math.pi)';
+      break;
+    case 'TAN':
+      code = 'math.tan(' + arg + ' / 180.0 * math.pi)';
+      break;
+  }
+  if (code) {
+    return [code, Order.FUNCTION_CALL];
+  }
+  // Second, handle cases which generate values that may need parentheses
+  // wrapping the code.
+  switch (operator) {
+    case 'ASIN':
+      code = 'math.asin(' + arg + ') / math.pi * 180';
+      break;
+    case 'ACOS':
+      code = 'math.acos(' + arg + ') / math.pi * 180';
+      break;
+    case 'ATAN':
+      code = 'math.atan(' + arg + ') / math.pi * 180';
+      break;
+    default:
+      throw Error('Unknown math operator: ' + operator);
+  }
+  return [code, Order.MULTIPLICATIVE];
+}
+
+export function math_constant(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Constants: PI, E, the Golden Ratio, sqrt(2), 1/sqrt(2), INFINITY.
+  const CONSTANTS: Record<string, [string, Order]> = {
+    'PI': ['math.pi', Order.MEMBER],
+    'E': ['math.e', Order.MEMBER],
+    'GOLDEN_RATIO': ['(1 + math.sqrt(5)) / 2', Order.MULTIPLICATIVE],
+    'SQRT2': ['math.sqrt(2)', Order.MEMBER],
+    'SQRT1_2': ['math.sqrt(1.0 / 2)', Order.MEMBER],
+    'INFINITY': ["float('inf')", Order.ATOMIC],
+  };
+  type ConstantOption = keyof typeof CONSTANTS;
+  const constant = block.getFieldValue('CONSTANT') as ConstantOption;
+  if (constant !== 'INFINITY') {
+    (generator as AnyDuringMigration).definitions_['import_math'] =
+      'import math';
+  }
+  return CONSTANTS[constant];
+}
+
+export function math_number_property(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Check if a number is even, odd, prime, whole, positive, or negative
+  // or if it is divisible by certain number. Returns true or false.
+  const PROPERTIES: Record<string, [string | null, Order, Order]> = {
+    'EVEN': [' % 2 == 0', Order.MULTIPLICATIVE, Order.RELATIONAL],
+    'ODD': [' % 2 == 1', Order.MULTIPLICATIVE, Order.RELATIONAL],
+    'WHOLE': [' % 1 == 0', Order.MULTIPLICATIVE, Order.RELATIONAL],
+    'POSITIVE': [' > 0', Order.RELATIONAL, Order.RELATIONAL],
+    'NEGATIVE': [' < 0', Order.RELATIONAL, Order.RELATIONAL],
+    'DIVISIBLE_BY': [null, Order.MULTIPLICATIVE, Order.RELATIONAL],
+    'PRIME': [null, Order.NONE, Order.FUNCTION_CALL],
+  };
+  type PropertyOption = keyof typeof PROPERTIES;
+  const dropdownProperty = block.getFieldValue('PROPERTY') as PropertyOption;
+  const [suffix, inputOrder, outputOrder] = PROPERTIES[dropdownProperty];
+  const numberToCheck =
+    generator.valueToCode(block, 'NUMBER_TO_CHECK', inputOrder) || '0';
+  let code;
+  if (dropdownProperty === 'PRIME') {
+    // Prime is a special case as it is not a one-liner test.
+    (generator as AnyDuringMigration).definitions_['import_math'] =
+      'import math';
+    (generator as AnyDuringMigration).definitions_[
+      'from_numbers_import_Number'
+    ] = 'from numbers import Number';
+    const functionName = generator.provideFunction_(
+      'math_isPrime',
+      `
+def ${generator.FUNCTION_NAME_PLACEHOLDER_}(n):
+  # https://en.wikipedia.org/wiki/Primality_test#Naive_methods
+  # If n is not a number but a string, try parsing it.
+  if not isinstance(n, Number):
+    try:
+      n = float(n)
+    except:
+      return False
+  if n == 2 or n == 3:
+    return True
+  # False if n is negative, is 1, or not whole, or if n is divisible by 2 or 3.
+  if n <= 1 or n % 1 != 0 or n % 2 == 0 or n % 3 == 0:
+    return False
+  # Check all the numbers of form 6k +/- 1, up to sqrt(n).
+  for x in range(6, int(math.sqrt(n)) + 2, 6):
+    if n % (x - 1) == 0 or n % (x + 1) == 0:
+      return False
+  return True
+`,
+    );
+    code = functionName + '(' + numberToCheck + ')';
+  } else if (dropdownProperty === 'DIVISIBLE_BY') {
+    const divisor =
+      generator.valueToCode(block, 'DIVISOR', Order.MULTIPLICATIVE) || '0';
+    // If 'divisor' is some code that evals to 0, generator will raise an error.
+    if (divisor === '0') {
+      return ['False', Order.ATOMIC];
+    }
+    code = numberToCheck + ' % ' + divisor + ' == 0';
+  } else {
+    code = numberToCheck + suffix;
+  }
+  return [code, outputOrder];
+}
+
+export function math_change(block: Block, generator: PythonGenerator) {
+  // Add to a variable in place.
+  (generator as AnyDuringMigration).definitions_['from_numbers_import_Number'] =
+    'from numbers import Number';
+  const argument0 =
+    generator.valueToCode(block, 'DELTA', Order.ADDITIVE) || '0';
+  const varName = generator.getVariableName(block.getFieldValue('VAR'));
+  return (
+    varName +
+    ' = (' +
+    varName +
+    ' if isinstance(' +
+    varName +
+    ', Number) else 0) + ' +
+    argument0 +
+    '\n'
+  );
+}
+
+// Rounding functions have a single operand.
+export const math_round = math_single;
+// Trigonometry functions have a single operand.
+export const math_trig = math_single;
+
+export function math_on_list(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Math functions for lists.
+  const func = block.getFieldValue('OP');
+  const list = generator.valueToCode(block, 'LIST', Order.NONE) || '[]';
+  let code;
+  switch (func) {
+    case 'SUM':
+      code = 'sum(' + list + ')';
+      break;
+    case 'MIN':
+      code = 'min(' + list + ')';
+      break;
+    case 'MAX':
+      code = 'max(' + list + ')';
+      break;
+    case 'AVERAGE': {
+      (generator as AnyDuringMigration).definitions_[
+        'from_numbers_import_Number'
+      ] = 'from numbers import Number';
+      // This operation excludes null and values that aren't int or float:
+      // math_mean([null, null, "aString", 1, 9]) -> 5.0
+      const functionName = generator.provideFunction_(
+        'math_mean',
+        `
+def ${generator.FUNCTION_NAME_PLACEHOLDER_}(myList):
+  localList = [e for e in myList if isinstance(e, Number)]
+  if not localList: return
+  return float(sum(localList)) / len(localList)
+`,
+      );
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'MEDIAN': {
+      (generator as AnyDuringMigration).definitions_[
+        'from_numbers_import_Number'
+      ] = 'from numbers import Number';
+      // This operation excludes null values:
+      // math_median([null, null, 1, 3]) -> 2.0
+      const functionName = generator.provideFunction_(
+        'math_median',
+        `
+def ${generator.FUNCTION_NAME_PLACEHOLDER_}(myList):
+  localList = sorted([e for e in myList if isinstance(e, Number)])
+  if not localList: return
+  if len(localList) % 2 == 0:
+    return (localList[len(localList) // 2 - 1] + localList[len(localList) // 2]) / 2.0
+  else:
+    return localList[(len(localList) - 1) // 2]
+`,
+      );
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'MODE': {
+      // As a list of numbers can contain more than one mode,
+      // the returned result is provided as an array.
+      // Mode of [3, 'x', 'x', 1, 1, 2, '3'] -> ['x', 1]
+      const functionName = generator.provideFunction_(
+        'math_modes',
+        `
+def ${generator.FUNCTION_NAME_PLACEHOLDER_}(some_list):
+  modes = []
+  # Using a lists of [item, count] to keep count rather than dict
+  # to avoid "unhashable" errors when the counted item is itself a list or dict.
+  counts = []
+  maxCount = 1
+  for item in some_list:
+    found = False
+    for count in counts:
+      if count[0] == item:
+        count[1] += 1
+        maxCount = max(maxCount, count[1])
+        found = True
+    if not found:
+      counts.append([item, 1])
+  for counted_item, item_count in counts:
+    if item_count == maxCount:
+      modes.append(counted_item)
+  return modes
+`,
+      );
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'STD_DEV': {
+      (generator as AnyDuringMigration).definitions_['import_math'] =
+        'import math';
+      const functionName = generator.provideFunction_(
+        'math_standard_deviation',
+        `
+def ${generator.FUNCTION_NAME_PLACEHOLDER_}(numbers):
+  n = len(numbers)
+  if n == 0: return
+  mean = float(sum(numbers)) / n
+  variance = sum((x - mean) ** 2 for x in numbers) / n
+  return math.sqrt(variance)
+`,
+      );
+      code = functionName + '(' + list + ')';
+      break;
+    }
+    case 'RANDOM':
+      (generator as AnyDuringMigration).definitions_['import_random'] =
+        'import random';
+      code = 'random.choice(' + list + ')';
+      break;
+    default:
+      throw Error('Unknown operator: ' + func);
+  }
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function math_modulo(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Remainder computation.
+  const argument0 =
+    generator.valueToCode(block, 'DIVIDEND', Order.MULTIPLICATIVE) || '0';
+  const argument1 =
+    generator.valueToCode(block, 'DIVISOR', Order.MULTIPLICATIVE) || '0';
+  const code = argument0 + ' % ' + argument1;
+  return [code, Order.MULTIPLICATIVE];
+}
+
+export function math_constrain(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Constrain a number between two limits.
+  const argument0 = generator.valueToCode(block, 'VALUE', Order.NONE) || '0';
+  const argument1 = generator.valueToCode(block, 'LOW', Order.NONE) || '0';
+  const argument2 =
+    generator.valueToCode(block, 'HIGH', Order.NONE) || "float('inf')";
+  const code =
+    'min(max(' + argument0 + ', ' + argument1 + '), ' + argument2 + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function math_random_int(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Random integer between [X] and [Y].
+  (generator as AnyDuringMigration).definitions_['import_random'] =
+    'import random';
+  const argument0 = generator.valueToCode(block, 'FROM', Order.NONE) || '0';
+  const argument1 = generator.valueToCode(block, 'TO', Order.NONE) || '0';
+  const code = 'random.randint(' + argument0 + ', ' + argument1 + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function math_random_float(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Random fraction between 0 and 1.
+  (generator as AnyDuringMigration).definitions_['import_random'] =
+    'import random';
+  return ['random.random()', Order.FUNCTION_CALL];
+}
+
+export function math_atan2(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Arctangent of point (X, Y) in degrees from -180 to 180.
+  (generator as AnyDuringMigration).definitions_['import_math'] = 'import math';
+  const argument0 = generator.valueToCode(block, 'X', Order.NONE) || '0';
+  const argument1 = generator.valueToCode(block, 'Y', Order.NONE) || '0';
+  return [
+    'math.atan2(' + argument1 + ', ' + argument0 + ') / math.pi * 180',
+    Order.MULTIPLICATIVE,
+  ];
+}
diff --git a/generators/python/procedures.js b/generators/python/procedures.js
deleted file mode 100644
index 521b5e4cc7a..00000000000
--- a/generators/python/procedures.js
+++ /dev/null
@@ -1,134 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Python for procedure blocks.
- * @author fraser@google.com (Neil Fraser)
- */
-'use strict';
-
-goog.provide('Blockly.Python.procedures');
-
-goog.require('Blockly.Python');
-
-
-Blockly.Python['procedures_defreturn'] = function(block) {
-  // Define a procedure with a return value.
-  // First, add a 'global' statement for every variable that is not shadowed by
-  // a local parameter.
-  var globals = [];
-  var varName;
-  var workspace = block.workspace;
-  var variables = Blockly.Variables.allUsedVarModels(workspace) || [];
-  for (var i = 0, variable; variable = variables[i]; i++) {
-    varName = variable.name;
-    if (block.getVars().indexOf(varName) == -1) {
-      globals.push(Blockly.Python.variableDB_.getName(varName,
-          Blockly.VARIABLE_CATEGORY_NAME));
-    }
-  }
-  // Add developer variables.
-  var devVarList = Blockly.Variables.allDeveloperVariables(workspace);
-  for (var i = 0; i < devVarList.length; i++) {
-    globals.push(Blockly.Python.variableDB_.getName(devVarList[i],
-        Blockly.Names.DEVELOPER_VARIABLE_TYPE));
-  }
-
-  globals = globals.length ?
-      Blockly.Python.INDENT + 'global ' + globals.join(', ') + '\n' : '';
-  var funcName = Blockly.Python.variableDB_.getName(
-      block.getFieldValue('NAME'), Blockly.PROCEDURE_CATEGORY_NAME);
-  var xfix1 = '';
-  if (Blockly.Python.STATEMENT_PREFIX) {
-    xfix1 += Blockly.Python.injectId(Blockly.Python.STATEMENT_PREFIX, block);
-  }
-  if (Blockly.Python.STATEMENT_SUFFIX) {
-    xfix1 += Blockly.Python.injectId(Blockly.Python.STATEMENT_SUFFIX, block);
-  }
-  if (xfix1) {
-    xfix1 = Blockly.Python.prefixLines(xfix1, Blockly.Python.INDENT);
-  }
-  var loopTrap = '';
-  if (Blockly.Python.INFINITE_LOOP_TRAP) {
-    loopTrap = Blockly.Python.prefixLines(
-        Blockly.Python.injectId(Blockly.Python.INFINITE_LOOP_TRAP, block),
-        Blockly.Python.INDENT);
-  }
-  var branch = Blockly.Python.statementToCode(block, 'STACK');
-  var returnValue = Blockly.Python.valueToCode(block, 'RETURN',
-      Blockly.Python.ORDER_NONE) || '';
-  var xfix2 = '';
-  if (branch && returnValue) {
-    // After executing the function body, revisit this block for the return.
-    xfix2 = xfix1;
-  }
-  if (returnValue) {
-    returnValue = Blockly.Python.INDENT + 'return ' + returnValue + '\n';
-  } else if (!branch) {
-    branch = Blockly.Python.PASS;
-  }
-  var args = [];
-  var variables = block.getVars();
-  for (var i = 0; i < variables.length; i++) {
-    args[i] = Blockly.Python.variableDB_.getName(variables[i],
-        Blockly.VARIABLE_CATEGORY_NAME);
-  }
-  var code = 'def ' + funcName + '(' + args.join(', ') + '):\n' +
-      globals + xfix1 + loopTrap + branch + xfix2 + returnValue;
-  code = Blockly.Python.scrub_(block, code);
-  // Add % so as not to collide with helper functions in definitions list.
-  Blockly.Python.definitions_['%' + funcName] = code;
-  return null;
-};
-
-// Defining a procedure without a return value uses the same generator as
-// a procedure with a return value.
-Blockly.Python['procedures_defnoreturn'] =
-    Blockly.Python['procedures_defreturn'];
-
-Blockly.Python['procedures_callreturn'] = function(block) {
-  // Call a procedure with a return value.
-  var funcName = Blockly.Python.variableDB_.getName(block.getFieldValue('NAME'),
-      Blockly.PROCEDURE_CATEGORY_NAME);
-  var args = [];
-  var variables = block.getVars();
-  for (var i = 0; i < variables.length; i++) {
-    args[i] = Blockly.Python.valueToCode(block, 'ARG' + i,
-        Blockly.Python.ORDER_NONE) || 'None';
-  }
-  var code = funcName + '(' + args.join(', ') + ')';
-  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['procedures_callnoreturn'] = function(block) {
-  // Call a procedure with no return value.
-  // Generated code is for a function call as a statement is the same as a
-  // function call as a value, with the addition of line ending.
-  var tuple = Blockly.Python['procedures_callreturn'](block);
-  return tuple[0] + '\n';
-};
-
-Blockly.Python['procedures_ifreturn'] = function(block) {
-  // Conditionally return value from a procedure.
-  var condition = Blockly.Python.valueToCode(block, 'CONDITION',
-      Blockly.Python.ORDER_NONE) || 'False';
-  var code = 'if ' + condition + ':\n';
-  if (Blockly.Python.STATEMENT_SUFFIX) {
-    // Inject any statement suffix here since the regular one at the end
-    // will not get executed if the return is triggered.
-    code += Blockly.Python.prefixLines(
-        Blockly.Python.injectId(Blockly.Python.STATEMENT_SUFFIX, block),
-        Blockly.Python.INDENT);
-  }
-  if (block.hasReturnValue_) {
-    var value = Blockly.Python.valueToCode(block, 'VALUE',
-        Blockly.Python.ORDER_NONE) || 'None';
-    code += Blockly.Python.INDENT + 'return ' + value + '\n';
-  } else {
-    code += Blockly.Python.INDENT + 'return\n';
-  }
-  return code;
-};
diff --git a/generators/python/procedures.ts b/generators/python/procedures.ts
new file mode 100644
index 00000000000..51d2ee9a31b
--- /dev/null
+++ b/generators/python/procedures.ts
@@ -0,0 +1,159 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Python for procedure blocks.
+ */
+
+// Former goog.module ID: Blockly.Python.procedures
+
+import * as Variables from '../../core/variables.js';
+import type {Block} from '../../core/block.js';
+import type {IfReturnBlock} from '../../blocks/procedures.js';
+import {NameType} from '../../core/names.js';
+import {Order} from './python_generator.js';
+import type {PythonGenerator} from './python_generator.js';
+
+export function procedures_defreturn(block: Block, generator: PythonGenerator) {
+  // Define a procedure with a return value.
+  // First, add a 'global' statement for every variable that is not shadowed by
+  // a local parameter.
+  const globals = [];
+  const workspace = block.workspace;
+  const usedVariables = Variables.allUsedVarModels(workspace) || [];
+  for (const variable of usedVariables) {
+    const varName = variable.name;
+    // getVars returns parameter names, not ids, for procedure blocks
+    if (!block.getVars().includes(varName)) {
+      globals.push(generator.getVariableName(varName));
+    }
+  }
+  // Add developer variables.
+  const devVarList = Variables.allDeveloperVariables(workspace);
+  for (let i = 0; i < devVarList.length; i++) {
+    globals.push(
+      generator.nameDB_!.getName(devVarList[i], NameType.DEVELOPER_VARIABLE),
+    );
+  }
+
+  const globalString = globals.length
+    ? generator.INDENT + 'global ' + globals.join(', ') + '\n'
+    : '';
+  const funcName = generator.getProcedureName(block.getFieldValue('NAME'));
+  let xfix1 = '';
+  if (generator.STATEMENT_PREFIX) {
+    xfix1 += generator.injectId(generator.STATEMENT_PREFIX, block);
+  }
+  if (generator.STATEMENT_SUFFIX) {
+    xfix1 += generator.injectId(generator.STATEMENT_SUFFIX, block);
+  }
+  if (xfix1) {
+    xfix1 = generator.prefixLines(xfix1, generator.INDENT);
+  }
+  let loopTrap = '';
+  if (generator.INFINITE_LOOP_TRAP) {
+    loopTrap = generator.prefixLines(
+      generator.injectId(generator.INFINITE_LOOP_TRAP, block),
+      generator.INDENT,
+    );
+  }
+  let branch = '';
+  if (block.getInput('STACK')) {
+    // The 'procedures_defreturn' block might not have a STACK input.
+    branch = generator.statementToCode(block, 'STACK');
+  }
+  let returnValue = '';
+  if (block.getInput('RETURN')) {
+    // The 'procedures_defnoreturn' block (which shares this code)
+    // does not have a RETURN input.
+    returnValue = generator.valueToCode(block, 'RETURN', Order.NONE) || '';
+  }
+  let xfix2 = '';
+  if (branch && returnValue) {
+    // After executing the function body, revisit this block for the return.
+    xfix2 = xfix1;
+  }
+  if (returnValue) {
+    returnValue = generator.INDENT + 'return ' + returnValue + '\n';
+  } else if (!branch) {
+    branch = generator.PASS;
+  }
+  const args = [];
+  const variables = block.getVars();
+  for (let i = 0; i < variables.length; i++) {
+    args[i] = generator.getVariableName(variables[i]);
+  }
+  let code =
+    'def ' +
+    funcName +
+    '(' +
+    args.join(', ') +
+    '):\n' +
+    globalString +
+    xfix1 +
+    loopTrap +
+    branch +
+    xfix2 +
+    returnValue;
+  code = generator.scrub_(block, code);
+  // Add % so as not to collide with helper functions in definitions list.
+  // TODO(#7600): find better approach than casting to any to override
+  // CodeGenerator declaring .definitions protected.
+  (generator as AnyDuringMigration).definitions_['%' + funcName] = code;
+  return null;
+}
+
+// Defining a procedure without a return value uses the same generator as
+// a procedure with a return value.
+export const procedures_defnoreturn = procedures_defreturn;
+
+export function procedures_callreturn(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Call a procedure with a return value.
+  const funcName = generator.getProcedureName(block.getFieldValue('NAME'));
+  const args = [];
+  const variables = block.getVars();
+  for (let i = 0; i < variables.length; i++) {
+    args[i] = generator.valueToCode(block, 'ARG' + i, Order.NONE) || 'None';
+  }
+  const code = funcName + '(' + args.join(', ') + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function procedures_callnoreturn(
+  block: Block,
+  generator: PythonGenerator,
+) {
+  // Call a procedure with no return value.
+  // Generated code is for a function call as a statement is the same as a
+  // function call as a value, with the addition of line ending.
+  const tuple = generator.forBlock['procedures_callreturn'](block, generator)!;
+  return tuple[0] + '\n';
+}
+
+export function procedures_ifreturn(block: Block, generator: PythonGenerator) {
+  // Conditionally return value from a procedure.
+  const condition =
+    generator.valueToCode(block, 'CONDITION', Order.NONE) || 'False';
+  let code = 'if ' + condition + ':\n';
+  if (generator.STATEMENT_SUFFIX) {
+    // Inject any statement suffix here since the regular one at the end
+    // will not get executed if the return is triggered.
+    code += generator.prefixLines(
+      generator.injectId(generator.STATEMENT_SUFFIX, block),
+      generator.INDENT,
+    );
+  }
+  if ((block as IfReturnBlock).hasReturnValue_) {
+    const value = generator.valueToCode(block, 'VALUE', Order.NONE) || 'None';
+    code += generator.INDENT + 'return ' + value + '\n';
+  } else {
+    code += generator.INDENT + 'return\n';
+  }
+  return code;
+}
diff --git a/generators/python/python_generator.ts b/generators/python/python_generator.ts
new file mode 100644
index 00000000000..bf7b87496ee
--- /dev/null
+++ b/generators/python/python_generator.ts
@@ -0,0 +1,355 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Python code generator class, including helper methods for
+ * generating Python for blocks.
+ */
+
+// Former goog.module ID: Blockly.Python
+
+import * as stringUtils from '../../core/utils/string.js';
+import * as Variables from '../../core/variables.js';
+import type {Block} from '../../core/block.js';
+import {CodeGenerator} from '../../core/generator.js';
+import {Names} from '../../core/names.js';
+import type {Workspace} from '../../core/workspace.js';
+import {inputTypes} from '../../core/inputs/input_types.js';
+
+/**
+ * Order of operation ENUMs.
+ * http://docs.python.org/reference/expressions.html#summary
+ */
+// prettier-ignore
+export enum Order {
+  ATOMIC = 0,             // 0 "" ...
+  COLLECTION = 1,         // tuples, lists, dictionaries
+  STRING_CONVERSION = 1,  // `expression...`
+  MEMBER = 2.1,           // . []
+  FUNCTION_CALL = 2.2,    // ()
+  EXPONENTIATION = 3,     // **
+  UNARY_SIGN = 4,         // + -
+  BITWISE_NOT = 4,        // ~
+  MULTIPLICATIVE = 5,     // * / // %
+  ADDITIVE = 6,           // + -
+  BITWISE_SHIFT = 7,      // << >>
+  BITWISE_AND = 8,        // &
+  BITWISE_XOR = 9,        // ^
+  BITWISE_OR = 10,        // |
+  RELATIONAL = 11,        // in, not in, is, is not, >, >=, <>, !=, ==
+  LOGICAL_NOT = 12,       // not
+  LOGICAL_AND = 13,       // and
+  LOGICAL_OR = 14,        // or
+  CONDITIONAL = 15,       // if else
+  LAMBDA = 16,            // lambda
+  NONE = 99,              // (...)
+}
+
+/**
+ * PythonScript code generator class.
+ */
+export class PythonGenerator extends CodeGenerator {
+  /** List of outer-inner pairings that do NOT require parentheses. */
+  ORDER_OVERRIDES: [Order, Order][] = [
+    // (foo()).bar -> foo().bar
+    // (foo())[0] -> foo()[0]
+    [Order.FUNCTION_CALL, Order.MEMBER],
+    // (foo())() -> foo()()
+    [Order.FUNCTION_CALL, Order.FUNCTION_CALL],
+    // (foo.bar).baz -> foo.bar.baz
+    // (foo.bar)[0] -> foo.bar[0]
+    // (foo[0]).bar -> foo[0].bar
+    // (foo[0])[1] -> foo[0][1]
+    [Order.MEMBER, Order.MEMBER],
+    // (foo.bar)() -> foo.bar()
+    // (foo[0])() -> foo[0]()
+    [Order.MEMBER, Order.FUNCTION_CALL],
+
+    // not (not foo) -> not not foo
+    [Order.LOGICAL_NOT, Order.LOGICAL_NOT],
+    // a and (b and c) -> a and b and c
+    [Order.LOGICAL_AND, Order.LOGICAL_AND],
+    // a or (b or c) -> a or b or c
+    [Order.LOGICAL_OR, Order.LOGICAL_OR],
+  ];
+
+  /**
+   * Empty loops or conditionals are not allowed in Python.
+   */
+  PASS: string = ''; // Initialised by init().
+
+  /** @param name Name of the language the generator is for. */
+  constructor(name = 'Python') {
+    super(name);
+    this.isInitialized = false;
+
+    // Copy Order values onto instance for backwards compatibility
+    // while ensuring they are not part of the publically-advertised
+    // API.
+    //
+    // TODO(#7085): deprecate these in due course.  (Could initially
+    // replace data properties with get accessors that call
+    // deprecate.warn().)
+    for (const key in Order) {
+      // Must assign Order[key] to a temporary to get the type guard to work;
+      // see https://github.com/microsoft/TypeScript/issues/10530.
+      const value = Order[key];
+      // Skip reverse-lookup entries in the enum.  Due to
+      // https://github.com/microsoft/TypeScript/issues/55713 this (as
+      // of TypeScript 5.5.2) actually narrows the type of value to
+      // never - but that still allows the following assignment to
+      // succeed.
+      if (typeof value === 'string') continue;
+      (this as unknown as Record<string, Order>)['ORDER_' + key] = value;
+    }
+
+    // List of illegal variable names.  This is not intended to be a
+    // security feature.  Blockly is 100% client-side, so bypassing
+    // this list is trivial.  This is intended to prevent users from
+    // accidentally clobbering a built-in object or function.
+    this.addReservedWords(
+      // import keyword
+      // print(','.join(sorted(keyword.kwlist)))
+      // https://docs.python.org/3/reference/lexical_analysis.html#keywords
+      // https://docs.python.org/2/reference/lexical_analysis.html#keywords
+      'False,None,True,and,as,assert,break,class,continue,def,del,elif,else,' +
+        'except,exec,finally,for,from,global,if,import,in,is,lambda,nonlocal,' +
+        'not,or,pass,print,raise,return,try,while,with,yield,' +
+        // https://docs.python.org/3/library/constants.html
+        // https://docs.python.org/2/library/constants.html
+        'NotImplemented,Ellipsis,__debug__,quit,exit,copyright,license,credits,' +
+        // >>> print(','.join(sorted(dir(__builtins__))))
+        // https://docs.python.org/3/library/functions.html
+        // https://docs.python.org/2/library/functions.html
+        'ArithmeticError,AssertionError,AttributeError,BaseException,' +
+        'BlockingIOError,BrokenPipeError,BufferError,BytesWarning,' +
+        'ChildProcessError,ConnectionAbortedError,ConnectionError,' +
+        'ConnectionRefusedError,ConnectionResetError,DeprecationWarning,' +
+        'EOFError,Ellipsis,EnvironmentError,Exception,FileExistsError,' +
+        'FileNotFoundError,FloatingPointError,FutureWarning,GeneratorExit,' +
+        'IOError,ImportError,ImportWarning,IndentationError,IndexError,' +
+        'InterruptedError,IsADirectoryError,KeyError,KeyboardInterrupt,' +
+        'LookupError,MemoryError,ModuleNotFoundError,NameError,' +
+        'NotADirectoryError,NotImplemented,NotImplementedError,OSError,' +
+        'OverflowError,PendingDeprecationWarning,PermissionError,' +
+        'ProcessLookupError,RecursionError,ReferenceError,ResourceWarning,' +
+        'RuntimeError,RuntimeWarning,StandardError,StopAsyncIteration,' +
+        'StopIteration,SyntaxError,SyntaxWarning,SystemError,SystemExit,' +
+        'TabError,TimeoutError,TypeError,UnboundLocalError,UnicodeDecodeError,' +
+        'UnicodeEncodeError,UnicodeError,UnicodeTranslateError,UnicodeWarning,' +
+        'UserWarning,ValueError,Warning,ZeroDivisionError,_,__build_class__,' +
+        '__debug__,__doc__,__import__,__loader__,__name__,__package__,__spec__,' +
+        'abs,all,any,apply,ascii,basestring,bin,bool,buffer,bytearray,bytes,' +
+        'callable,chr,classmethod,cmp,coerce,compile,complex,copyright,credits,' +
+        'delattr,dict,dir,divmod,enumerate,eval,exec,execfile,exit,file,filter,' +
+        'float,format,frozenset,getattr,globals,hasattr,hash,help,hex,id,input,' +
+        'int,intern,isinstance,issubclass,iter,len,license,list,locals,long,' +
+        'map,max,memoryview,min,next,object,oct,open,ord,pow,print,property,' +
+        'quit,range,raw_input,reduce,reload,repr,reversed,round,set,setattr,' +
+        'slice,sorted,staticmethod,str,sum,super,tuple,type,unichr,unicode,' +
+        'vars,xrange,zip',
+    );
+  }
+
+  /**
+   * Initialise the database of variable names.
+   *
+   * @param workspace Workspace to generate code from.
+   */
+  init(workspace: Workspace) {
+    super.init(workspace);
+
+    this.PASS = this.INDENT + 'pass\n';
+
+    if (!this.nameDB_) {
+      this.nameDB_ = new Names(this.RESERVED_WORDS_);
+    } else {
+      this.nameDB_.reset();
+    }
+
+    this.nameDB_.setVariableMap(workspace.getVariableMap());
+    this.nameDB_.populateVariables(workspace);
+    this.nameDB_.populateProcedures(workspace);
+
+    const defvars = [];
+    // Add developer variables (not created or named by the user).
+    const devVarList = Variables.allDeveloperVariables(workspace);
+    for (let i = 0; i < devVarList.length; i++) {
+      defvars.push(
+        this.nameDB_.getName(devVarList[i], Names.DEVELOPER_VARIABLE_TYPE) +
+          ' = None',
+      );
+    }
+
+    // Add user variables, but only ones that are being used.
+    const variables = Variables.allUsedVarModels(workspace);
+    for (let i = 0; i < variables.length; i++) {
+      defvars.push(this.getVariableName(variables[i].getId()) + ' = None');
+    }
+
+    this.definitions_['variables'] = defvars.join('\n');
+    this.isInitialized = true;
+  }
+
+  /**
+   * Prepend the generated code with import statements and variable definitions.
+   *
+   * @param code Generated code.
+   * @returns Completed code.
+   */
+  finish(code: string): string {
+    // Convert the definitions dictionary into a list.
+    const imports = [];
+    const definitions = [];
+    for (let name in this.definitions_) {
+      const def = this.definitions_[name];
+      if (def.match(/^(from\s+\S+\s+)?import\s+\S+/)) {
+        imports.push(def);
+      } else {
+        definitions.push(def);
+      }
+    }
+    // Call Blockly.CodeGenerator's finish.
+    code = super.finish(code);
+    this.isInitialized = false;
+
+    this.nameDB_!.reset();
+    const allDefs = imports.join('\n') + '\n\n' + definitions.join('\n\n');
+    return allDefs.replace(/\n\n+/g, '\n\n').replace(/\n*$/, '\n\n\n') + code;
+  }
+
+  /**
+   * Naked values are top-level blocks with outputs that aren't plugged into
+   * anything.
+   *
+   * @param line Line of generated code.
+   * @returns Legal line of code.
+   */
+  scrubNakedValue(line: string): string {
+    return line + '\n';
+  }
+
+  /**
+   * Encode a string as a properly escaped Python string, complete with quotes.
+   *
+   * @param string Text to encode.
+   * @returns Python string.
+   */
+  quote_(string: string): string {
+    string = string.replace(/\\/g, '\\\\').replace(/\n/g, '\\\n');
+
+    // Follow the CPython behaviour of repr() for a non-byte string.
+    let quote = "'";
+    if (string.includes("'")) {
+      if (!string.includes('"')) {
+        quote = '"';
+      } else {
+        string = string.replace(/'/g, "\\'");
+      }
+    }
+    return quote + string + quote;
+  }
+
+  /**
+   * Encode a string as a properly escaped multiline Python string, complete
+   * with quotes.
+   *
+   * @param string Text to encode.
+   * @returns Python string.
+   */
+  multiline_quote_(string: string): string {
+    const lines = string.split(/\n/g).map(this.quote_);
+    // Join with the following, plus a newline:
+    // + '\n' +
+    return lines.join(" + '\\n' + \n");
+  }
+
+  /**
+   * Common tasks for generating Python from blocks.
+   * Handles comments for the specified block and any connected value blocks.
+   * Calls any statements following this block.
+   *
+   * @param block The current block.
+   * @param code The Python code created for this block.
+   * @param thisOnly True to generate code for only this statement.
+   * @returns Python code with comments and subsequent blocks added.
+   */
+  scrub_(block: Block, code: string, thisOnly = false): string {
+    let commentCode = '';
+    // Only collect comments for blocks that aren't inline.
+    if (!block.outputConnection || !block.outputConnection.targetConnection) {
+      // Collect comment for this block.
+      let comment = block.getCommentText();
+      if (comment) {
+        comment = stringUtils.wrap(comment, this.COMMENT_WRAP - 3);
+        commentCode += this.prefixLines(comment + '\n', '# ');
+      }
+      // Collect comments for all value arguments.
+      // Don't collect comments for nested statements.
+      for (let i = 0; i < block.inputList.length; i++) {
+        if (block.inputList[i].type === inputTypes.VALUE) {
+          const childBlock = block.inputList[i].connection!.targetBlock();
+          if (childBlock) {
+            comment = this.allNestedComments(childBlock);
+            if (comment) {
+              commentCode += this.prefixLines(comment, '# ');
+            }
+          }
+        }
+      }
+    }
+    const nextBlock =
+      block.nextConnection && block.nextConnection.targetBlock();
+    const nextCode = thisOnly ? '' : this.blockToCode(nextBlock);
+    return commentCode + code + nextCode;
+  }
+
+  /**
+   * Gets a property and adjusts the value, taking into account indexing.
+   * If a static int, casts to an integer, otherwise returns a code string.
+   *
+   * @param block The block.
+   * @param atId The ID of the input block to get (and adjust) the value of.
+   * @param delta Value to add.
+   * @param negate Whether to negate the value.
+   * @returns The adjusted value or code that evaluates to it.
+   */
+  getAdjustedInt(
+    block: Block,
+    atId: string,
+    delta = 0,
+    negate = false,
+  ): string | number {
+    if (block.workspace.options.oneBasedIndex) {
+      delta--;
+    }
+    const defaultAtIndex = block.workspace.options.oneBasedIndex ? '1' : '0';
+    const atOrder = delta ? Order.ADDITIVE : Order.NONE;
+    let at: string | number =
+      this.valueToCode(block, atId, atOrder) || defaultAtIndex;
+
+    if (stringUtils.isNumber(at)) {
+      // If the index is a naked number, adjust it right now.
+      at = parseInt(at, 10) + delta;
+      if (negate) {
+        at = -at;
+      }
+    } else {
+      // If the index is dynamic, adjust it in code.
+      if (delta > 0) {
+        at = 'int(' + at + ' + ' + delta + ')';
+      } else if (delta < 0) {
+        at = 'int(' + at + ' - ' + -delta + ')';
+      } else {
+        at = 'int(' + at + ')';
+      }
+      if (negate) {
+        at = '-' + at;
+      }
+    }
+    return at;
+  }
+}
diff --git a/generators/python/text.js b/generators/python/text.js
deleted file mode 100644
index e5354ec91f1..00000000000
--- a/generators/python/text.js
+++ /dev/null
@@ -1,293 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Python for text blocks.
- * @author q.neutron@gmail.com (Quynh Neutron)
- */
-'use strict';
-
-goog.provide('Blockly.Python.texts');
-
-goog.require('Blockly.Python');
-
-
-Blockly.Python['text'] = function(block) {
-  // Text value.
-  var code = Blockly.Python.quote_(block.getFieldValue('TEXT'));
-  return [code, Blockly.Python.ORDER_ATOMIC];
-};
-
-Blockly.Python['text_multiline'] = function(block) {
-  // Text value.
-  var code = Blockly.Python.multiline_quote_(block.getFieldValue('TEXT'));
-  return [code, Blockly.Python.ORDER_ATOMIC];
-};
-
-/**
- * Enclose the provided value in 'str(...)' function.
- * Leave string literals alone.
- * @param {string} value Code evaluating to a value.
- * @return {string} Code evaluating to a string.
- * @private
- */
-Blockly.Python.text.forceString_ = function(value) {
-  if (Blockly.Python.text.forceString_.strRegExp.test(value)) {
-    return value;
-  }
-  return 'str(' + value + ')';
-};
-
-/**
- * Regular expression to detect a single-quoted string literal.
- */
-Blockly.Python.text.forceString_.strRegExp = /^\s*'([^']|\\')*'\s*$/;
-
-Blockly.Python['text_join'] = function(block) {
-  // Create a string made up of any number of elements of any type.
-  //Should we allow joining by '-' or ',' or any other characters?
-  switch (block.itemCount_) {
-    case 0:
-      return ['\'\'', Blockly.Python.ORDER_ATOMIC];
-      break;
-    case 1:
-      var element = Blockly.Python.valueToCode(block, 'ADD0',
-              Blockly.Python.ORDER_NONE) || '\'\'';
-      var code = Blockly.Python.text.forceString_(element);
-      return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-      break;
-    case 2:
-      var element0 = Blockly.Python.valueToCode(block, 'ADD0',
-          Blockly.Python.ORDER_NONE) || '\'\'';
-      var element1 = Blockly.Python.valueToCode(block, 'ADD1',
-          Blockly.Python.ORDER_NONE) || '\'\'';
-      var code = Blockly.Python.text.forceString_(element0) + ' + ' +
-          Blockly.Python.text.forceString_(element1);
-      return [code, Blockly.Python.ORDER_ADDITIVE];
-      break;
-    default:
-      var elements = [];
-      for (var i = 0; i < block.itemCount_; i++) {
-        elements[i] = Blockly.Python.valueToCode(block, 'ADD' + i,
-                Blockly.Python.ORDER_NONE) || '\'\'';
-      }
-      var tempVar = Blockly.Python.variableDB_.getDistinctName('x',
-          Blockly.VARIABLE_CATEGORY_NAME);
-      var code = '\'\'.join([str(' + tempVar + ') for ' + tempVar + ' in [' +
-          elements.join(', ') + ']])';
-      return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-  }
-};
-
-Blockly.Python['text_append'] = function(block) {
-  // Append to a variable in place.
-  var varName = Blockly.Python.variableDB_.getName(block.getFieldValue('VAR'),
-      Blockly.VARIABLE_CATEGORY_NAME);
-  var value = Blockly.Python.valueToCode(block, 'TEXT',
-      Blockly.Python.ORDER_NONE) || '\'\'';
-  return varName + ' = str(' + varName + ') + ' +
-      Blockly.Python.text.forceString_(value) + '\n';
-};
-
-Blockly.Python['text_length'] = function(block) {
-  // Is the string null or array empty?
-  var text = Blockly.Python.valueToCode(block, 'VALUE',
-      Blockly.Python.ORDER_NONE) || '\'\'';
-  return ['len(' + text + ')', Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['text_isEmpty'] = function(block) {
-  // Is the string null or array empty?
-  var text = Blockly.Python.valueToCode(block, 'VALUE',
-      Blockly.Python.ORDER_NONE) || '\'\'';
-  var code = 'not len(' + text + ')';
-  return [code, Blockly.Python.ORDER_LOGICAL_NOT];
-};
-
-Blockly.Python['text_indexOf'] = function(block) {
-  // Search the text for a substring.
-  // Should we allow for non-case sensitive???
-  var operator = block.getFieldValue('END') == 'FIRST' ? 'find' : 'rfind';
-  var substring = Blockly.Python.valueToCode(block, 'FIND',
-      Blockly.Python.ORDER_NONE) || '\'\'';
-  var text = Blockly.Python.valueToCode(block, 'VALUE',
-      Blockly.Python.ORDER_MEMBER) || '\'\'';
-  var code = text + '.' + operator + '(' + substring + ')';
-  if (block.workspace.options.oneBasedIndex) {
-    return [code + ' + 1', Blockly.Python.ORDER_ADDITIVE];
-  }
-  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['text_charAt'] = function(block) {
-  // Get letter at index.
-  // Note: Until January 2013 this block did not have the WHERE input.
-  var where = block.getFieldValue('WHERE') || 'FROM_START';
-  var text = Blockly.Python.valueToCode(block, 'VALUE',
-      Blockly.Python.ORDER_MEMBER) || '\'\'';
-  switch (where) {
-    case 'FIRST':
-      var code = text + '[0]';
-      return [code, Blockly.Python.ORDER_MEMBER];
-    case 'LAST':
-      var code = text + '[-1]';
-      return [code, Blockly.Python.ORDER_MEMBER];
-    case 'FROM_START':
-      var at = Blockly.Python.getAdjustedInt(block, 'AT');
-      var code = text + '[' + at + ']';
-      return [code, Blockly.Python.ORDER_MEMBER];
-    case 'FROM_END':
-      var at = Blockly.Python.getAdjustedInt(block, 'AT', 1, true);
-      var code = text + '[' + at + ']';
-      return [code, Blockly.Python.ORDER_MEMBER];
-    case 'RANDOM':
-      Blockly.Python.definitions_['import_random'] = 'import random';
-      var functionName = Blockly.Python.provideFunction_(
-          'text_random_letter',
-          ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ + '(text):',
-           '  x = int(random.random() * len(text))',
-           '  return text[x];']);
-      code = functionName + '(' + text + ')';
-      return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-  }
-  throw Error('Unhandled option (text_charAt).');
-};
-
-Blockly.Python['text_getSubstring'] = function(block) {
-  // Get substring.
-  var where1 = block.getFieldValue('WHERE1');
-  var where2 = block.getFieldValue('WHERE2');
-  var text = Blockly.Python.valueToCode(block, 'STRING',
-      Blockly.Python.ORDER_MEMBER) || '\'\'';
-  switch (where1) {
-    case 'FROM_START':
-      var at1 = Blockly.Python.getAdjustedInt(block, 'AT1');
-      if (at1 == '0') {
-        at1 = '';
-      }
-      break;
-    case 'FROM_END':
-      var at1 = Blockly.Python.getAdjustedInt(block, 'AT1', 1, true);
-      break;
-    case 'FIRST':
-      var at1 = '';
-      break;
-    default:
-      throw Error('Unhandled option (text_getSubstring)');
-  }
-  switch (where2) {
-    case 'FROM_START':
-      var at2 = Blockly.Python.getAdjustedInt(block, 'AT2', 1);
-      break;
-    case 'FROM_END':
-      var at2 = Blockly.Python.getAdjustedInt(block, 'AT2', 0, true);
-      // Ensure that if the result calculated is 0 that sub-sequence will
-      // include all elements as expected.
-      if (!Blockly.isNumber(String(at2))) {
-        Blockly.Python.definitions_['import_sys'] = 'import sys';
-        at2 += ' or sys.maxsize';
-      } else if (at2 == '0') {
-        at2 = '';
-      }
-      break;
-    case 'LAST':
-      var at2 = '';
-      break;
-    default:
-      throw Error('Unhandled option (text_getSubstring)');
-  }
-  var code = text + '[' + at1 + ' : ' + at2 + ']';
-  return [code, Blockly.Python.ORDER_MEMBER];
-};
-
-Blockly.Python['text_changeCase'] = function(block) {
-  // Change capitalization.
-  var OPERATORS = {
-    'UPPERCASE': '.upper()',
-    'LOWERCASE': '.lower()',
-    'TITLECASE': '.title()'
-  };
-  var operator = OPERATORS[block.getFieldValue('CASE')];
-  var text = Blockly.Python.valueToCode(block, 'TEXT',
-      Blockly.Python.ORDER_MEMBER) || '\'\'';
-  var code = text + operator;
-  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['text_trim'] = function(block) {
-  // Trim spaces.
-  var OPERATORS = {
-    'LEFT': '.lstrip()',
-    'RIGHT': '.rstrip()',
-    'BOTH': '.strip()'
-  };
-  var operator = OPERATORS[block.getFieldValue('MODE')];
-  var text = Blockly.Python.valueToCode(block, 'TEXT',
-      Blockly.Python.ORDER_MEMBER) || '\'\'';
-  var code = text + operator;
-  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['text_print'] = function(block) {
-  // Print statement.
-  var msg = Blockly.Python.valueToCode(block, 'TEXT',
-      Blockly.Python.ORDER_NONE) || '\'\'';
-  return 'print(' + msg + ')\n';
-};
-
-Blockly.Python['text_prompt_ext'] = function(block) {
-  // Prompt function.
-  var functionName = Blockly.Python.provideFunction_(
-      'text_prompt',
-      ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ + '(msg):',
-       '  try:',
-       '    return raw_input(msg)',
-       '  except NameError:',
-       '    return input(msg)']);
-  if (block.getField('TEXT')) {
-    // Internal message.
-    var msg = Blockly.Python.quote_(block.getFieldValue('TEXT'));
-  } else {
-    // External message.
-    var msg = Blockly.Python.valueToCode(block, 'TEXT',
-        Blockly.Python.ORDER_NONE) || '\'\'';
-  }
-  var code = functionName + '(' + msg + ')';
-  var toNumber = block.getFieldValue('TYPE') == 'NUMBER';
-  if (toNumber) {
-    code = 'float(' + code + ')';
-  }
-  return [code, Blockly.Python.ORDER_FUNCTION_CALL];
-};
-
-Blockly.Python['text_prompt'] = Blockly.Python['text_prompt_ext'];
-
-Blockly.Python['text_count'] = function(block) {
-  var text = Blockly.Python.valueToCode(block, 'TEXT',
-      Blockly.Python.ORDER_MEMBER) || '\'\'';
-  var sub = Blockly.Python.valueToCode(block, 'SUB',
-      Blockly.Python.ORDER_NONE) || '\'\'';
-  var code = text + '.count(' + sub + ')';
-  return [code, Blockly.Python.ORDER_MEMBER];
-};
-
-Blockly.Python['text_replace'] = function(block) {
-  var text = Blockly.Python.valueToCode(block, 'TEXT',
-      Blockly.Python.ORDER_MEMBER) || '\'\'';
-  var from = Blockly.Python.valueToCode(block, 'FROM',
-      Blockly.Python.ORDER_NONE) || '\'\'';
-  var to = Blockly.Python.valueToCode(block, 'TO',
-      Blockly.Python.ORDER_NONE) || '\'\'';
-  var code = text + '.replace(' + from + ', ' + to + ')';
-  return [code, Blockly.Python.ORDER_MEMBER];
-};
-
-Blockly.Python['text_reverse'] = function(block) {
-  var text = Blockly.Python.valueToCode(block, 'TEXT',
-      Blockly.Python.ORDER_MEMBER) || '\'\'';
-  var code = text + '[::-1]';
-  return [code, Blockly.Python.ORDER_MEMBER];
-};
diff --git a/generators/python/text.ts b/generators/python/text.ts
new file mode 100644
index 00000000000..e9154da83fe
--- /dev/null
+++ b/generators/python/text.ts
@@ -0,0 +1,338 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Python for text blocks.
+ */
+
+// Former goog.module ID: Blockly.Python.texts
+
+import * as stringUtils from '../../core/utils/string.js';
+import type {Block} from '../../core/block.js';
+import type {JoinMutatorBlock} from '../../blocks/text.js';
+import {NameType} from '../../core/names.js';
+import {Order} from './python_generator.js';
+import type {PythonGenerator} from './python_generator.js';
+
+export function text(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Text value.
+  const code = generator.quote_(block.getFieldValue('TEXT'));
+  return [code, Order.ATOMIC];
+}
+
+/**
+ * Regular expression to detect a single-quoted string literal.
+ */
+const strRegExp = /^\s*'([^']|\\')*'\s*$/;
+
+/**
+ * Enclose the provided value in 'str(...)' function.
+ * Leave string literals alone.
+ *
+ * @param value Code evaluating to a value.
+ * @returns Array containing code evaluating to a string
+ *     and
+ *    the order of the returned code.[string, number]
+ */
+const forceString = function (value: string): [string, Order] {
+  if (strRegExp.test(value)) {
+    return [value, Order.ATOMIC];
+  }
+  return ['str(' + value + ')', Order.FUNCTION_CALL];
+};
+
+export function text_join(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Create a string made up of any number of elements of any type.
+  // Should we allow joining by '-' or ',' or any other characters?
+  const joinBlock = block as JoinMutatorBlock;
+  switch (joinBlock.itemCount_) {
+    case 0:
+      return ["''", Order.ATOMIC];
+    case 1: {
+      const element = generator.valueToCode(block, 'ADD0', Order.NONE) || "''";
+      const codeAndOrder = forceString(element);
+      return codeAndOrder;
+    }
+    case 2: {
+      const element0 = generator.valueToCode(block, 'ADD0', Order.NONE) || "''";
+      const element1 = generator.valueToCode(block, 'ADD1', Order.NONE) || "''";
+      const code = forceString(element0)[0] + ' + ' + forceString(element1)[0];
+      return [code, Order.ADDITIVE];
+    }
+    default: {
+      const elements = [];
+      for (let i = 0; i < joinBlock.itemCount_; i++) {
+        elements[i] =
+          generator.valueToCode(block, 'ADD' + i, Order.NONE) || "''";
+      }
+      const tempVar = generator.nameDB_!.getDistinctName(
+        'x',
+        NameType.VARIABLE,
+      );
+      const code =
+        "''.join([str(" +
+        tempVar +
+        ') for ' +
+        tempVar +
+        ' in [' +
+        elements.join(', ') +
+        ']])';
+      return [code, Order.FUNCTION_CALL];
+    }
+  }
+}
+
+export function text_append(block: Block, generator: PythonGenerator) {
+  // Append to a variable in place.
+  const varName = generator.getVariableName(block.getFieldValue('VAR'));
+  const value = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  return varName + ' = str(' + varName + ') + ' + forceString(value)[0] + '\n';
+}
+
+export function text_length(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Is the string null or array empty?
+  const text = generator.valueToCode(block, 'VALUE', Order.NONE) || "''";
+  return ['len(' + text + ')', Order.FUNCTION_CALL];
+}
+
+export function text_isEmpty(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Is the string null or array empty?
+  const text = generator.valueToCode(block, 'VALUE', Order.NONE) || "''";
+  const code = 'not len(' + text + ')';
+  return [code, Order.LOGICAL_NOT];
+}
+
+export function text_indexOf(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Search the text for a substring.
+  // Should we allow for non-case sensitive???
+  const operator = block.getFieldValue('END') === 'FIRST' ? 'find' : 'rfind';
+  const substring = generator.valueToCode(block, 'FIND', Order.NONE) || "''";
+  const text = generator.valueToCode(block, 'VALUE', Order.MEMBER) || "''";
+  const code = text + '.' + operator + '(' + substring + ')';
+  if (block.workspace.options.oneBasedIndex) {
+    return [code + ' + 1', Order.ADDITIVE];
+  }
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function text_charAt(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Get letter at index.
+  // Note: Until January 2013 this block did not have the WHERE input.
+  const where = block.getFieldValue('WHERE') || 'FROM_START';
+  const textOrder = where === 'RANDOM' ? Order.NONE : Order.MEMBER;
+  const text = generator.valueToCode(block, 'VALUE', textOrder) || "''";
+  switch (where) {
+    case 'FIRST': {
+      const code = text + '[0]';
+      return [code, Order.MEMBER];
+    }
+    case 'LAST': {
+      const code = text + '[-1]';
+      return [code, Order.MEMBER];
+    }
+    case 'FROM_START': {
+      const at = generator.getAdjustedInt(block, 'AT');
+      const code = text + '[' + at + ']';
+      return [code, Order.MEMBER];
+    }
+    case 'FROM_END': {
+      const at = generator.getAdjustedInt(block, 'AT', 1, true);
+      const code = text + '[' + at + ']';
+      return [code, Order.MEMBER];
+    }
+    case 'RANDOM': {
+      // TODO(#7600): find better approach than casting to any to override
+      // CodeGenerator declaring .definitions protected (here and below).
+      (generator as AnyDuringMigration).definitions_['import_random'] =
+        'import random';
+      const functionName = generator.provideFunction_(
+        'text_random_letter',
+        `
+def ${generator.FUNCTION_NAME_PLACEHOLDER_}(text):
+  x = int(random.random() * len(text))
+  return text[x]
+`,
+      );
+      const code = functionName + '(' + text + ')';
+      return [code, Order.FUNCTION_CALL];
+    }
+  }
+  throw Error('Unhandled option (text_charAt).');
+}
+
+export function text_getSubstring(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Get substring.
+  const where1 = block.getFieldValue('WHERE1');
+  const where2 = block.getFieldValue('WHERE2');
+  const text = generator.valueToCode(block, 'STRING', Order.MEMBER) || "''";
+  let at1;
+  switch (where1) {
+    case 'FROM_START':
+      at1 = generator.getAdjustedInt(block, 'AT1');
+      if (at1 === 0) {
+        at1 = '';
+      }
+      break;
+    case 'FROM_END':
+      at1 = generator.getAdjustedInt(block, 'AT1', 1, true);
+      break;
+    case 'FIRST':
+      at1 = '';
+      break;
+    default:
+      throw Error('Unhandled option (text_getSubstring)');
+  }
+
+  let at2;
+  switch (where2) {
+    case 'FROM_START':
+      at2 = generator.getAdjustedInt(block, 'AT2', 1);
+      break;
+    case 'FROM_END':
+      at2 = generator.getAdjustedInt(block, 'AT2', 0, true);
+      // Ensure that if the result calculated is 0 that sub-sequence will
+      // include all elements as expected.
+      if (!stringUtils.isNumber(String(at2))) {
+        (generator as AnyDuringMigration).definitions_['import_sys'] =
+          'import sys';
+        at2 += ' or sys.maxsize';
+      } else if (at2 === 0) {
+        at2 = '';
+      }
+      break;
+    case 'LAST':
+      at2 = '';
+      break;
+    default:
+      throw Error('Unhandled option (text_getSubstring)');
+  }
+  const code = text + '[' + at1 + ' : ' + at2 + ']';
+  return [code, Order.MEMBER];
+}
+
+export function text_changeCase(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Change capitalization.
+  const OPERATORS = {
+    'UPPERCASE': '.upper()',
+    'LOWERCASE': '.lower()',
+    'TITLECASE': '.title()',
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const operator = OPERATORS[block.getFieldValue('CASE') as OperatorOption];
+  const text = generator.valueToCode(block, 'TEXT', Order.MEMBER) || "''";
+  const code = text + operator;
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function text_trim(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Trim spaces.
+  const OPERATORS = {
+    'LEFT': '.lstrip()',
+    'RIGHT': '.rstrip()',
+    'BOTH': '.strip()',
+  };
+  type OperatorOption = keyof typeof OPERATORS;
+  const operator = OPERATORS[block.getFieldValue('MODE') as OperatorOption];
+  const text = generator.valueToCode(block, 'TEXT', Order.MEMBER) || "''";
+  const code = text + operator;
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function text_print(block: Block, generator: PythonGenerator) {
+  // Print statement.
+  const msg = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  return 'print(' + msg + ')\n';
+}
+
+export function text_prompt_ext(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Prompt function.
+  const functionName = generator.provideFunction_(
+    'text_prompt',
+    `
+def ${generator.FUNCTION_NAME_PLACEHOLDER_}(msg):
+  try:
+    return raw_input(msg)
+  except NameError:
+    return input(msg)
+`,
+  );
+  let msg;
+  if (block.getField('TEXT')) {
+    // Internal message.
+    msg = generator.quote_(block.getFieldValue('TEXT'));
+  } else {
+    // External message.
+    msg = generator.valueToCode(block, 'TEXT', Order.NONE) || "''";
+  }
+  let code = functionName + '(' + msg + ')';
+  const toNumber = block.getFieldValue('TYPE') === 'NUMBER';
+  if (toNumber) {
+    code = 'float(' + code + ')';
+  }
+  return [code, Order.FUNCTION_CALL];
+}
+
+export const text_prompt = text_prompt_ext;
+
+export function text_count(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  const text = generator.valueToCode(block, 'TEXT', Order.MEMBER) || "''";
+  const sub = generator.valueToCode(block, 'SUB', Order.NONE) || "''";
+  const code = text + '.count(' + sub + ')';
+  return [code, Order.FUNCTION_CALL];
+}
+
+export function text_replace(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  const text = generator.valueToCode(block, 'TEXT', Order.MEMBER) || "''";
+  const from = generator.valueToCode(block, 'FROM', Order.NONE) || "''";
+  const to = generator.valueToCode(block, 'TO', Order.NONE) || "''";
+  const code = text + '.replace(' + from + ', ' + to + ')';
+  return [code, Order.MEMBER];
+}
+
+export function text_reverse(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  const text = generator.valueToCode(block, 'TEXT', Order.MEMBER) || "''";
+  const code = text + '[::-1]';
+  return [code, Order.MEMBER];
+}
diff --git a/generators/python/variables.js b/generators/python/variables.js
deleted file mode 100644
index f72f4c1373a..00000000000
--- a/generators/python/variables.js
+++ /dev/null
@@ -1,32 +0,0 @@
-/**
- * @license
- * Copyright 2012 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Python for variable blocks.
- * @author q.neutron@gmail.com (Quynh Neutron)
- */
-'use strict';
-
-goog.provide('Blockly.Python.variables');
-
-goog.require('Blockly.Python');
-
-
-Blockly.Python['variables_get'] = function(block) {
-  // Variable getter.
-  var code = Blockly.Python.variableDB_.getName(block.getFieldValue('VAR'),
-      Blockly.VARIABLE_CATEGORY_NAME);
-  return [code, Blockly.Python.ORDER_ATOMIC];
-};
-
-Blockly.Python['variables_set'] = function(block) {
-  // Variable setter.
-  var argument0 = Blockly.Python.valueToCode(block, 'VALUE',
-      Blockly.Python.ORDER_NONE) || '0';
-  var varName = Blockly.Python.variableDB_.getName(block.getFieldValue('VAR'),
-      Blockly.VARIABLE_CATEGORY_NAME);
-  return varName + ' = ' + argument0 + '\n';
-};
diff --git a/generators/python/variables.ts b/generators/python/variables.ts
new file mode 100644
index 00000000000..a323181f149
--- /dev/null
+++ b/generators/python/variables.ts
@@ -0,0 +1,31 @@
+/**
+ * @license
+ * Copyright 2012 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Python for variable blocks.
+ */
+
+// Former goog.module ID: Blockly.Python.variables
+
+import type {Block} from '../../core/block.js';
+import type {PythonGenerator} from './python_generator.js';
+import {Order} from './python_generator.js';
+
+export function variables_get(
+  block: Block,
+  generator: PythonGenerator,
+): [string, Order] {
+  // Variable getter.
+  const code = generator.getVariableName(block.getFieldValue('VAR'));
+  return [code, Order.ATOMIC];
+}
+
+export function variables_set(block: Block, generator: PythonGenerator) {
+  // Variable setter.
+  const argument0 = generator.valueToCode(block, 'VALUE', Order.NONE) || '0';
+  const varName = generator.getVariableName(block.getFieldValue('VAR'));
+  return varName + ' = ' + argument0 + '\n';
+}
diff --git a/generators/python/variables_dynamic.js b/generators/python/variables_dynamic.js
deleted file mode 100644
index 34fc1a47326..00000000000
--- a/generators/python/variables_dynamic.js
+++ /dev/null
@@ -1,21 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Generating Python for dynamic variable blocks.
- * @author fenichel@google.com (Rachel Fenichel)
- */
-'use strict';
-
-goog.provide('Blockly.Python.variablesDynamic');
-
-goog.require('Blockly.Python');
-goog.require('Blockly.Python.variables');
-
-
-// Python is dynamically typed.
-Blockly.Python['variables_get_dynamic'] = Blockly.Python['variables_get'];
-Blockly.Python['variables_set_dynamic'] = Blockly.Python['variables_set'];
diff --git a/generators/python/variables_dynamic.ts b/generators/python/variables_dynamic.ts
new file mode 100644
index 00000000000..884700160a0
--- /dev/null
+++ b/generators/python/variables_dynamic.ts
@@ -0,0 +1,17 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Generating Python for dynamic variable blocks.
+ */
+
+// Former goog.module ID: Blockly.Python.variablesDynamic
+
+// generator is dynamically typed.
+export {
+  variables_get as variables_get_dynamic,
+  variables_set as variables_set_dynamic,
+} from './variables.js';
diff --git a/gulpfile.js b/gulpfile.js
index 65f285c5ad2..d2ad650c64a 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -8,32 +8,47 @@
  * @fileoverview Gulp script to build Blockly for Node & NPM.
  * Run this script by calling "npm install" in this directory.
  */
+/* eslint-env node */
 
-var gulp = require('gulp');
+const gulp = require('gulp');
 
-var typings = require('./scripts/gulpfiles/typings');
-var buildTasks = require('./scripts/gulpfiles/build_tasks');
-var packageTasks = require('./scripts/gulpfiles/package_tasks');
-var gitTasks = require('./scripts/gulpfiles/git_tasks');
-var licenseTasks = require('./scripts/gulpfiles/license_tasks');
+const buildTasks = require('./scripts/gulpfiles/build_tasks');
+const packageTasks = require('./scripts/gulpfiles/package_tasks');
+const gitTasks = require('./scripts/gulpfiles/git_tasks');
+const appengineTasks = require('./scripts/gulpfiles/appengine_tasks');
+const releaseTasks = require('./scripts/gulpfiles/release_tasks');
+const docsTasks = require('./scripts/gulpfiles/docs_tasks');
+const testTasks = require('./scripts/gulpfiles/test_tasks');
 
 module.exports = {
+  // Default target if gulp invoked without specifying.
   default: buildTasks.build,
+
+  // Main sequence targets.  They already invoke prerequisites.
+  langfiles: buildTasks.langfiles, // Build build/msg/*.js from msg/json/*.
+  tsc: buildTasks.tsc,
+  deps: buildTasks.deps,
+  minify: buildTasks.minify,
   build: buildTasks.build,
-  buildCore: buildTasks.core,
-  buildBlocks: buildTasks.blocks,
-  buildLangfiles: buildTasks.langfiles,
-  buildUncompressed: buildTasks.uncompressed,
-  buildCompressed: buildTasks.compressed,
-  buildGenerators: buildTasks.generators,
-  buildAdvancedCompilationTest: buildTasks.advancedCompilationTest,
+  package: packageTasks.package,
+  publish: releaseTasks.publish,
+  publishBeta: releaseTasks.publishBeta,
+  prepareDemos: appengineTasks.prepareDemos,
+  deployDemos: appengineTasks.deployDemos,
+  deployDemosBeta: appengineTasks.deployDemosBeta,
+  gitUpdateGithubPages: gitTasks.updateGithubPages,
+
+  // Manually-invokable targets, with prerequisites where required.
+  messages: buildTasks.messages, // Generate msg/json/en.json et al.
+  clean: gulp.parallel(buildTasks.cleanBuildDir, packageTasks.cleanReleaseDir),
+  test: testTasks.test,
+  testGenerators: testTasks.generators,
+  buildAdvancedCompilationTest: buildTasks.buildAdvancedCompilationTest,
+  gitCreateRC: gitTasks.createRC,
+  docs: docsTasks.docs,
+
+  // Legacy targets, to be deleted.
+  recompile: releaseTasks.recompile,
   gitSyncDevelop: gitTasks.syncDevelop,
   gitSyncMaster: gitTasks.syncMaster,
-  gitCreateRC: gitTasks.createRC,
-  gitPreCompile: gitTasks.preCompile,
-  gitPostCompile: gitTasks.postCompile,
-  gitUpdateGithubPages: gitTasks.updateGithubPages,
-  typings: gulp.series(typings.typings, typings.msgTypings),
-  package: packageTasks.package,
-  checkLicenses: licenseTasks.checkLicenses
 };
diff --git a/javascript_compressed.js b/javascript_compressed.js
deleted file mode 100644
index b58928ffeda..00000000000
--- a/javascript_compressed.js
+++ /dev/null
@@ -1,115 +0,0 @@
-// Do not edit this file; automatically generated by gulp.
-
-/* eslint-disable */
-;(function(root, factory) {
-  if (typeof define === 'function' && define.amd) { // AMD
-    define(['./blockly_compressed.js'], factory);
-  } else if (typeof exports === 'object') { // Node.js
-    module.exports = factory(require('./blockly_compressed.js'));
-  } else { // Browser
-    root.Blockly.JavaScript = factory(root.Blockly);
-  }
-}(this, function(Blockly) {
-  'use strict';Blockly.JavaScript=new Blockly.Generator("JavaScript");Blockly.JavaScript.addReservedWords("break,case,catch,class,const,continue,debugger,default,delete,do,else,export,extends,finally,for,function,if,import,in,instanceof,new,return,super,switch,this,throw,try,typeof,var,void,while,with,yield,enum,implements,interface,let,package,private,protected,public,static,await,null,true,false,arguments,"+Object.getOwnPropertyNames(Blockly.utils.global).join(","));
-Blockly.JavaScript.ORDER_ATOMIC=0;Blockly.JavaScript.ORDER_NEW=1.1;Blockly.JavaScript.ORDER_MEMBER=1.2;Blockly.JavaScript.ORDER_FUNCTION_CALL=2;Blockly.JavaScript.ORDER_INCREMENT=3;Blockly.JavaScript.ORDER_DECREMENT=3;Blockly.JavaScript.ORDER_BITWISE_NOT=4.1;Blockly.JavaScript.ORDER_UNARY_PLUS=4.2;Blockly.JavaScript.ORDER_UNARY_NEGATION=4.3;Blockly.JavaScript.ORDER_LOGICAL_NOT=4.4;Blockly.JavaScript.ORDER_TYPEOF=4.5;Blockly.JavaScript.ORDER_VOID=4.6;Blockly.JavaScript.ORDER_DELETE=4.7;
-Blockly.JavaScript.ORDER_AWAIT=4.8;Blockly.JavaScript.ORDER_EXPONENTIATION=5;Blockly.JavaScript.ORDER_MULTIPLICATION=5.1;Blockly.JavaScript.ORDER_DIVISION=5.2;Blockly.JavaScript.ORDER_MODULUS=5.3;Blockly.JavaScript.ORDER_SUBTRACTION=6.1;Blockly.JavaScript.ORDER_ADDITION=6.2;Blockly.JavaScript.ORDER_BITWISE_SHIFT=7;Blockly.JavaScript.ORDER_RELATIONAL=8;Blockly.JavaScript.ORDER_IN=8;Blockly.JavaScript.ORDER_INSTANCEOF=8;Blockly.JavaScript.ORDER_EQUALITY=9;Blockly.JavaScript.ORDER_BITWISE_AND=10;
-Blockly.JavaScript.ORDER_BITWISE_XOR=11;Blockly.JavaScript.ORDER_BITWISE_OR=12;Blockly.JavaScript.ORDER_LOGICAL_AND=13;Blockly.JavaScript.ORDER_LOGICAL_OR=14;Blockly.JavaScript.ORDER_CONDITIONAL=15;Blockly.JavaScript.ORDER_ASSIGNMENT=16;Blockly.JavaScript.ORDER_YIELD=17;Blockly.JavaScript.ORDER_COMMA=18;Blockly.JavaScript.ORDER_NONE=99;
-Blockly.JavaScript.ORDER_OVERRIDES=[[Blockly.JavaScript.ORDER_FUNCTION_CALL,Blockly.JavaScript.ORDER_MEMBER],[Blockly.JavaScript.ORDER_FUNCTION_CALL,Blockly.JavaScript.ORDER_FUNCTION_CALL],[Blockly.JavaScript.ORDER_MEMBER,Blockly.JavaScript.ORDER_MEMBER],[Blockly.JavaScript.ORDER_MEMBER,Blockly.JavaScript.ORDER_FUNCTION_CALL],[Blockly.JavaScript.ORDER_LOGICAL_NOT,Blockly.JavaScript.ORDER_LOGICAL_NOT],[Blockly.JavaScript.ORDER_MULTIPLICATION,Blockly.JavaScript.ORDER_MULTIPLICATION],[Blockly.JavaScript.ORDER_ADDITION,
-Blockly.JavaScript.ORDER_ADDITION],[Blockly.JavaScript.ORDER_LOGICAL_AND,Blockly.JavaScript.ORDER_LOGICAL_AND],[Blockly.JavaScript.ORDER_LOGICAL_OR,Blockly.JavaScript.ORDER_LOGICAL_OR]];
-Blockly.JavaScript.init=function(a){Blockly.JavaScript.definitions_=Object.create(null);Blockly.JavaScript.functionNames_=Object.create(null);Blockly.JavaScript.variableDB_?Blockly.JavaScript.variableDB_.reset():Blockly.JavaScript.variableDB_=new Blockly.Names(Blockly.JavaScript.RESERVED_WORDS_);Blockly.JavaScript.variableDB_.setVariableMap(a.getVariableMap());for(var b=[],c=Blockly.Variables.allDeveloperVariables(a),d=0;d<c.length;d++)b.push(Blockly.JavaScript.variableDB_.getName(c[d],Blockly.Names.DEVELOPER_VARIABLE_TYPE));
-a=Blockly.Variables.allUsedVarModels(a);for(d=0;d<a.length;d++)b.push(Blockly.JavaScript.variableDB_.getName(a[d].getId(),Blockly.VARIABLE_CATEGORY_NAME));b.length&&(Blockly.JavaScript.definitions_.variables="var "+b.join(", ")+";")};
-Blockly.JavaScript.finish=function(a){var b=[],c;for(c in Blockly.JavaScript.definitions_)b.push(Blockly.JavaScript.definitions_[c]);delete Blockly.JavaScript.definitions_;delete Blockly.JavaScript.functionNames_;Blockly.JavaScript.variableDB_.reset();return b.join("\n\n")+"\n\n\n"+a};Blockly.JavaScript.scrubNakedValue=function(a){return a+";\n"};Blockly.JavaScript.quote_=function(a){a=a.replace(/\\/g,"\\\\").replace(/\n/g,"\\\n").replace(/'/g,"\\'");return"'"+a+"'"};
-Blockly.JavaScript.multiline_quote_=function(a){return a.split(/\n/g).map(Blockly.JavaScript.quote_).join(" + '\\n' +\n")};
-Blockly.JavaScript.scrub_=function(a,b,c){var d="";if(!a.outputConnection||!a.outputConnection.targetConnection){var e=a.getCommentText();e&&(e=Blockly.utils.string.wrap(e,Blockly.JavaScript.COMMENT_WRAP-3),d+=Blockly.JavaScript.prefixLines(e+"\n","// "));for(var f=0;f<a.inputList.length;f++)a.inputList[f].type==Blockly.INPUT_VALUE&&(e=a.inputList[f].connection.targetBlock())&&(e=Blockly.JavaScript.allNestedComments(e))&&(d+=Blockly.JavaScript.prefixLines(e,"// "))}a=a.nextConnection&&a.nextConnection.targetBlock();
-c=c?"":Blockly.JavaScript.blockToCode(a);return d+b+c};
-Blockly.JavaScript.getAdjusted=function(a,b,c,d,e){c=c||0;e=e||Blockly.JavaScript.ORDER_NONE;a.workspace.options.oneBasedIndex&&c--;var f=a.workspace.options.oneBasedIndex?"1":"0";a=0<c?Blockly.JavaScript.valueToCode(a,b,Blockly.JavaScript.ORDER_ADDITION)||f:0>c?Blockly.JavaScript.valueToCode(a,b,Blockly.JavaScript.ORDER_SUBTRACTION)||f:d?Blockly.JavaScript.valueToCode(a,b,Blockly.JavaScript.ORDER_UNARY_NEGATION)||f:Blockly.JavaScript.valueToCode(a,b,e)||f;if(Blockly.isNumber(a))a=Number(a)+c,d&&
-(a=-a);else{if(0<c){a=a+" + "+c;var g=Blockly.JavaScript.ORDER_ADDITION}else 0>c&&(a=a+" - "+-c,g=Blockly.JavaScript.ORDER_SUBTRACTION);d&&(a=c?"-("+a+")":"-"+a,g=Blockly.JavaScript.ORDER_UNARY_NEGATION);g=Math.floor(g);e=Math.floor(e);g&&e>=g&&(a="("+a+")")}return a};Blockly.JavaScript.colour={};Blockly.JavaScript.colour_picker=function(a){return[Blockly.JavaScript.quote_(a.getFieldValue("COLOUR")),Blockly.JavaScript.ORDER_ATOMIC]};Blockly.JavaScript.colour_random=function(a){return[Blockly.JavaScript.provideFunction_("colourRandom",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"() {","  var num = Math.floor(Math.random() * Math.pow(2, 24));","  return '#' + ('00000' + num.toString(16)).substr(-6);","}"])+"()",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
-Blockly.JavaScript.colour_rgb=function(a){var b=Blockly.JavaScript.valueToCode(a,"RED",Blockly.JavaScript.ORDER_COMMA)||0,c=Blockly.JavaScript.valueToCode(a,"GREEN",Blockly.JavaScript.ORDER_COMMA)||0;a=Blockly.JavaScript.valueToCode(a,"BLUE",Blockly.JavaScript.ORDER_COMMA)||0;return[Blockly.JavaScript.provideFunction_("colourRgb",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(r, g, b) {","  r = Math.max(Math.min(Number(r), 100), 0) * 2.55;","  g = Math.max(Math.min(Number(g), 100), 0) * 2.55;",
-"  b = Math.max(Math.min(Number(b), 100), 0) * 2.55;","  r = ('0' + (Math.round(r) || 0).toString(16)).slice(-2);","  g = ('0' + (Math.round(g) || 0).toString(16)).slice(-2);","  b = ('0' + (Math.round(b) || 0).toString(16)).slice(-2);","  return '#' + r + g + b;","}"])+"("+b+", "+c+", "+a+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
-Blockly.JavaScript.colour_blend=function(a){var b=Blockly.JavaScript.valueToCode(a,"COLOUR1",Blockly.JavaScript.ORDER_COMMA)||"'#000000'",c=Blockly.JavaScript.valueToCode(a,"COLOUR2",Blockly.JavaScript.ORDER_COMMA)||"'#000000'";a=Blockly.JavaScript.valueToCode(a,"RATIO",Blockly.JavaScript.ORDER_COMMA)||.5;return[Blockly.JavaScript.provideFunction_("colourBlend",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(c1, c2, ratio) {","  ratio = Math.max(Math.min(Number(ratio), 1), 0);","  var r1 = parseInt(c1.substring(1, 3), 16);",
-"  var g1 = parseInt(c1.substring(3, 5), 16);","  var b1 = parseInt(c1.substring(5, 7), 16);","  var r2 = parseInt(c2.substring(1, 3), 16);","  var g2 = parseInt(c2.substring(3, 5), 16);","  var b2 = parseInt(c2.substring(5, 7), 16);","  var r = Math.round(r1 * (1 - ratio) + r2 * ratio);","  var g = Math.round(g1 * (1 - ratio) + g2 * ratio);","  var b = Math.round(b1 * (1 - ratio) + b2 * ratio);","  r = ('0' + (r || 0).toString(16)).slice(-2);","  g = ('0' + (g || 0).toString(16)).slice(-2);","  b = ('0' + (b || 0).toString(16)).slice(-2);",
-"  return '#' + r + g + b;","}"])+"("+b+", "+c+", "+a+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};Blockly.JavaScript.lists={};Blockly.JavaScript.lists_create_empty=function(a){return["[]",Blockly.JavaScript.ORDER_ATOMIC]};Blockly.JavaScript.lists_create_with=function(a){for(var b=Array(a.itemCount_),c=0;c<a.itemCount_;c++)b[c]=Blockly.JavaScript.valueToCode(a,"ADD"+c,Blockly.JavaScript.ORDER_COMMA)||"null";return["["+b.join(", ")+"]",Blockly.JavaScript.ORDER_ATOMIC]};
-Blockly.JavaScript.lists_repeat=function(a){var b=Blockly.JavaScript.provideFunction_("listsRepeat",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(value, n) {","  var array = [];","  for (var i = 0; i < n; i++) {","    array[i] = value;","  }","  return array;","}"]),c=Blockly.JavaScript.valueToCode(a,"ITEM",Blockly.JavaScript.ORDER_COMMA)||"null";a=Blockly.JavaScript.valueToCode(a,"NUM",Blockly.JavaScript.ORDER_COMMA)||"0";return[b+"("+c+", "+a+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
-Blockly.JavaScript.lists_length=function(a){return[(Blockly.JavaScript.valueToCode(a,"VALUE",Blockly.JavaScript.ORDER_MEMBER)||"[]")+".length",Blockly.JavaScript.ORDER_MEMBER]};Blockly.JavaScript.lists_isEmpty=function(a){return["!"+(Blockly.JavaScript.valueToCode(a,"VALUE",Blockly.JavaScript.ORDER_MEMBER)||"[]")+".length",Blockly.JavaScript.ORDER_LOGICAL_NOT]};
-Blockly.JavaScript.lists_indexOf=function(a){var b="FIRST"==a.getFieldValue("END")?"indexOf":"lastIndexOf",c=Blockly.JavaScript.valueToCode(a,"FIND",Blockly.JavaScript.ORDER_NONE)||"''";b=(Blockly.JavaScript.valueToCode(a,"VALUE",Blockly.JavaScript.ORDER_MEMBER)||"[]")+"."+b+"("+c+")";return a.workspace.options.oneBasedIndex?[b+" + 1",Blockly.JavaScript.ORDER_ADDITION]:[b,Blockly.JavaScript.ORDER_FUNCTION_CALL]};
-Blockly.JavaScript.lists_getIndex=function(a){var b=a.getFieldValue("MODE")||"GET",c=a.getFieldValue("WHERE")||"FROM_START",d=Blockly.JavaScript.valueToCode(a,"VALUE","RANDOM"==c?Blockly.JavaScript.ORDER_COMMA:Blockly.JavaScript.ORDER_MEMBER)||"[]";switch(c){case "FIRST":if("GET"==b)return[d+"[0]",Blockly.JavaScript.ORDER_MEMBER];if("GET_REMOVE"==b)return[d+".shift()",Blockly.JavaScript.ORDER_MEMBER];if("REMOVE"==b)return d+".shift();\n";break;case "LAST":if("GET"==b)return[d+".slice(-1)[0]",Blockly.JavaScript.ORDER_MEMBER];
-if("GET_REMOVE"==b)return[d+".pop()",Blockly.JavaScript.ORDER_MEMBER];if("REMOVE"==b)return d+".pop();\n";break;case "FROM_START":a=Blockly.JavaScript.getAdjusted(a,"AT");if("GET"==b)return[d+"["+a+"]",Blockly.JavaScript.ORDER_MEMBER];if("GET_REMOVE"==b)return[d+".splice("+a+", 1)[0]",Blockly.JavaScript.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+".splice("+a+", 1);\n";break;case "FROM_END":a=Blockly.JavaScript.getAdjusted(a,"AT",1,!0);if("GET"==b)return[d+".slice("+a+")[0]",Blockly.JavaScript.ORDER_FUNCTION_CALL];
-if("GET_REMOVE"==b)return[d+".splice("+a+", 1)[0]",Blockly.JavaScript.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+".splice("+a+", 1);";break;case "RANDOM":d=Blockly.JavaScript.provideFunction_("listsGetRandomItem",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(list, remove) {","  var x = Math.floor(Math.random() * list.length);","  if (remove) {","    return list.splice(x, 1)[0];","  } else {","    return list[x];","  }","}"])+"("+d+", "+("GET"!=b)+")";if("GET"==b||"GET_REMOVE"==b)return[d,
-Blockly.JavaScript.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+";\n"}throw Error("Unhandled combination (lists_getIndex).");};
-Blockly.JavaScript.lists_setIndex=function(a){function b(){if(c.match(/^\w+$/))return"";var g=Blockly.JavaScript.variableDB_.getDistinctName("tmpList",Blockly.VARIABLE_CATEGORY_NAME),h="var "+g+" = "+c+";\n";c=g;return h}var c=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_MEMBER)||"[]",d=a.getFieldValue("MODE")||"GET",e=a.getFieldValue("WHERE")||"FROM_START",f=Blockly.JavaScript.valueToCode(a,"TO",Blockly.JavaScript.ORDER_ASSIGNMENT)||"null";switch(e){case "FIRST":if("SET"==d)return c+
-"[0] = "+f+";\n";if("INSERT"==d)return c+".unshift("+f+");\n";break;case "LAST":if("SET"==d)return a=b(),a+(c+"["+c+".length - 1] = "+f+";\n");if("INSERT"==d)return c+".push("+f+");\n";break;case "FROM_START":e=Blockly.JavaScript.getAdjusted(a,"AT");if("SET"==d)return c+"["+e+"] = "+f+";\n";if("INSERT"==d)return c+".splice("+e+", 0, "+f+");\n";break;case "FROM_END":e=Blockly.JavaScript.getAdjusted(a,"AT",1,!1,Blockly.JavaScript.ORDER_SUBTRACTION);a=b();if("SET"==d)return a+(c+"["+c+".length - "+e+
-"] = "+f+";\n");if("INSERT"==d)return a+(c+".splice("+c+".length - "+e+", 0, "+f+");\n");break;case "RANDOM":a=b();e=Blockly.JavaScript.variableDB_.getDistinctName("tmpX",Blockly.VARIABLE_CATEGORY_NAME);a+="var "+e+" = Math.floor(Math.random() * "+c+".length);\n";if("SET"==d)return a+(c+"["+e+"] = "+f+";\n");if("INSERT"==d)return a+(c+".splice("+e+", 0, "+f+");\n")}throw Error("Unhandled combination (lists_setIndex).");};
-Blockly.JavaScript.lists.getIndex_=function(a,b,c){return"FIRST"==b?"0":"FROM_END"==b?a+".length - 1 - "+c:"LAST"==b?a+".length - 1":c};
-Blockly.JavaScript.lists_getSublist=function(a){var b=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_MEMBER)||"[]",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if("FIRST"==c&&"LAST"==d)b+=".slice(0)";else if(b.match(/^\w+$/)||"FROM_END"!=c&&"FROM_START"==d){switch(c){case "FROM_START":var e=Blockly.JavaScript.getAdjusted(a,"AT1");break;case "FROM_END":e=Blockly.JavaScript.getAdjusted(a,"AT1",1,!1,Blockly.JavaScript.ORDER_SUBTRACTION);e=b+".length - "+e;break;case "FIRST":e=
-"0";break;default:throw Error("Unhandled option (lists_getSublist).");}switch(d){case "FROM_START":a=Blockly.JavaScript.getAdjusted(a,"AT2",1);break;case "FROM_END":a=Blockly.JavaScript.getAdjusted(a,"AT2",0,!1,Blockly.JavaScript.ORDER_SUBTRACTION);a=b+".length - "+a;break;case "LAST":a=b+".length";break;default:throw Error("Unhandled option (lists_getSublist).");}b=b+".slice("+e+", "+a+")"}else{e=Blockly.JavaScript.getAdjusted(a,"AT1");a=Blockly.JavaScript.getAdjusted(a,"AT2");var f=Blockly.JavaScript.lists.getIndex_,
-g={FIRST:"First",LAST:"Last",FROM_START:"FromStart",FROM_END:"FromEnd"};b=Blockly.JavaScript.provideFunction_("subsequence"+g[c]+g[d],["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(sequence"+("FROM_END"==c||"FROM_START"==c?", at1":"")+("FROM_END"==d||"FROM_START"==d?", at2":"")+") {","  var start = "+f("sequence",c,"at1")+";","  var end = "+f("sequence",d,"at2")+" + 1;","  return sequence.slice(start, end);","}"])+"("+b+("FROM_END"==c||"FROM_START"==c?", "+e:"")+("FROM_END"==d||"FROM_START"==
-d?", "+a:"")+")"}return[b,Blockly.JavaScript.ORDER_FUNCTION_CALL]};
-Blockly.JavaScript.lists_sort=function(a){var b=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_FUNCTION_CALL)||"[]",c="1"===a.getFieldValue("DIRECTION")?1:-1;a=a.getFieldValue("TYPE");var d=Blockly.JavaScript.provideFunction_("listsGetSortCompare",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(type, direction) {","  var compareFuncs = {",'    "NUMERIC": function(a, b) {',"        return Number(a) - Number(b); },",'    "TEXT": function(a, b) {',"        return a.toString() > b.toString() ? 1 : -1; },",
-'    "IGNORE_CASE": function(a, b) {',"        return a.toString().toLowerCase() > b.toString().toLowerCase() ? 1 : -1; },","  };","  var compare = compareFuncs[type];","  return function(a, b) { return compare(a, b) * direction; }","}"]);return[b+".slice().sort("+d+'("'+a+'", '+c+"))",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
-Blockly.JavaScript.lists_split=function(a){var b=Blockly.JavaScript.valueToCode(a,"INPUT",Blockly.JavaScript.ORDER_MEMBER),c=Blockly.JavaScript.valueToCode(a,"DELIM",Blockly.JavaScript.ORDER_NONE)||"''";a=a.getFieldValue("MODE");if("SPLIT"==a)b||(b="''"),a="split";else if("JOIN"==a)b||(b="[]"),a="join";else throw Error("Unknown mode: "+a);return[b+"."+a+"("+c+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
-Blockly.JavaScript.lists_reverse=function(a){return[(Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_FUNCTION_CALL)||"[]")+".slice().reverse()",Blockly.JavaScript.ORDER_FUNCTION_CALL]};Blockly.JavaScript.logic={};
-Blockly.JavaScript.controls_if=function(a){var b=0,c="";Blockly.JavaScript.STATEMENT_PREFIX&&(c+=Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_PREFIX,a));do{var d=Blockly.JavaScript.valueToCode(a,"IF"+b,Blockly.JavaScript.ORDER_NONE)||"false";var e=Blockly.JavaScript.statementToCode(a,"DO"+b);Blockly.JavaScript.STATEMENT_SUFFIX&&(e=Blockly.JavaScript.prefixLines(Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_SUFFIX,a),Blockly.JavaScript.INDENT)+e);c+=(0<b?" else ":"")+"if ("+
-d+") {\n"+e+"}";++b}while(a.getInput("IF"+b));if(a.getInput("ELSE")||Blockly.JavaScript.STATEMENT_SUFFIX)e=Blockly.JavaScript.statementToCode(a,"ELSE"),Blockly.JavaScript.STATEMENT_SUFFIX&&(e=Blockly.JavaScript.prefixLines(Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_SUFFIX,a),Blockly.JavaScript.INDENT)+e),c+=" else {\n"+e+"}";return c+"\n"};Blockly.JavaScript.controls_ifelse=Blockly.JavaScript.controls_if;
-Blockly.JavaScript.logic_compare=function(a){var b={EQ:"==",NEQ:"!=",LT:"<",LTE:"<=",GT:">",GTE:">="}[a.getFieldValue("OP")],c="=="==b||"!="==b?Blockly.JavaScript.ORDER_EQUALITY:Blockly.JavaScript.ORDER_RELATIONAL,d=Blockly.JavaScript.valueToCode(a,"A",c)||"0";a=Blockly.JavaScript.valueToCode(a,"B",c)||"0";return[d+" "+b+" "+a,c]};
-Blockly.JavaScript.logic_operation=function(a){var b="AND"==a.getFieldValue("OP")?"&&":"||",c="&&"==b?Blockly.JavaScript.ORDER_LOGICAL_AND:Blockly.JavaScript.ORDER_LOGICAL_OR,d=Blockly.JavaScript.valueToCode(a,"A",c);a=Blockly.JavaScript.valueToCode(a,"B",c);if(d||a){var e="&&"==b?"true":"false";d||(d=e);a||(a=e)}else a=d="false";return[d+" "+b+" "+a,c]};
-Blockly.JavaScript.logic_negate=function(a){var b=Blockly.JavaScript.ORDER_LOGICAL_NOT;return["!"+(Blockly.JavaScript.valueToCode(a,"BOOL",b)||"true"),b]};Blockly.JavaScript.logic_boolean=function(a){return["TRUE"==a.getFieldValue("BOOL")?"true":"false",Blockly.JavaScript.ORDER_ATOMIC]};Blockly.JavaScript.logic_null=function(a){return["null",Blockly.JavaScript.ORDER_ATOMIC]};
-Blockly.JavaScript.logic_ternary=function(a){var b=Blockly.JavaScript.valueToCode(a,"IF",Blockly.JavaScript.ORDER_CONDITIONAL)||"false",c=Blockly.JavaScript.valueToCode(a,"THEN",Blockly.JavaScript.ORDER_CONDITIONAL)||"null";a=Blockly.JavaScript.valueToCode(a,"ELSE",Blockly.JavaScript.ORDER_CONDITIONAL)||"null";return[b+" ? "+c+" : "+a,Blockly.JavaScript.ORDER_CONDITIONAL]};Blockly.JavaScript.loops={};
-Blockly.JavaScript.controls_repeat_ext=function(a){var b=a.getField("TIMES")?String(Number(a.getFieldValue("TIMES"))):Blockly.JavaScript.valueToCode(a,"TIMES",Blockly.JavaScript.ORDER_ASSIGNMENT)||"0",c=Blockly.JavaScript.statementToCode(a,"DO");c=Blockly.JavaScript.addLoopTrap(c,a);a="";var d=Blockly.JavaScript.variableDB_.getDistinctName("count",Blockly.VARIABLE_CATEGORY_NAME),e=b;b.match(/^\w+$/)||Blockly.isNumber(b)||(e=Blockly.JavaScript.variableDB_.getDistinctName("repeat_end",Blockly.VARIABLE_CATEGORY_NAME),
-a+="var "+e+" = "+b+";\n");return a+("for (var "+d+" = 0; "+d+" < "+e+"; "+d+"++) {\n"+c+"}\n")};Blockly.JavaScript.controls_repeat=Blockly.JavaScript.controls_repeat_ext;
-Blockly.JavaScript.controls_whileUntil=function(a){var b="UNTIL"==a.getFieldValue("MODE"),c=Blockly.JavaScript.valueToCode(a,"BOOL",b?Blockly.JavaScript.ORDER_LOGICAL_NOT:Blockly.JavaScript.ORDER_NONE)||"false",d=Blockly.JavaScript.statementToCode(a,"DO");d=Blockly.JavaScript.addLoopTrap(d,a);b&&(c="!"+c);return"while ("+c+") {\n"+d+"}\n"};
-Blockly.JavaScript.controls_for=function(a){var b=Blockly.JavaScript.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME),c=Blockly.JavaScript.valueToCode(a,"FROM",Blockly.JavaScript.ORDER_ASSIGNMENT)||"0",d=Blockly.JavaScript.valueToCode(a,"TO",Blockly.JavaScript.ORDER_ASSIGNMENT)||"0",e=Blockly.JavaScript.valueToCode(a,"BY",Blockly.JavaScript.ORDER_ASSIGNMENT)||"1",f=Blockly.JavaScript.statementToCode(a,"DO");f=Blockly.JavaScript.addLoopTrap(f,a);if(Blockly.isNumber(c)&&Blockly.isNumber(d)&&
-Blockly.isNumber(e)){var g=Number(c)<=Number(d);a="for ("+b+" = "+c+"; "+b+(g?" <= ":" >= ")+d+"; "+b;b=Math.abs(Number(e));a=(1==b?a+(g?"++":"--"):a+((g?" += ":" -= ")+b))+(") {\n"+f+"}\n")}else a="",g=c,c.match(/^\w+$/)||Blockly.isNumber(c)||(g=Blockly.JavaScript.variableDB_.getDistinctName(b+"_start",Blockly.VARIABLE_CATEGORY_NAME),a+="var "+g+" = "+c+";\n"),c=d,d.match(/^\w+$/)||Blockly.isNumber(d)||(c=Blockly.JavaScript.variableDB_.getDistinctName(b+"_end",Blockly.VARIABLE_CATEGORY_NAME),a+=
-"var "+c+" = "+d+";\n"),d=Blockly.JavaScript.variableDB_.getDistinctName(b+"_inc",Blockly.VARIABLE_CATEGORY_NAME),a+="var "+d+" = ",a=Blockly.isNumber(e)?a+(Math.abs(e)+";\n"):a+("Math.abs("+e+");\n"),a=a+("if ("+g+" > "+c+") {\n")+(Blockly.JavaScript.INDENT+d+" = -"+d+";\n"),a+="}\n",a+="for ("+b+" = "+g+"; "+d+" >= 0 ? "+b+" <= "+c+" : "+b+" >= "+c+"; "+b+" += "+d+") {\n"+f+"}\n";return a};
-Blockly.JavaScript.controls_forEach=function(a){var b=Blockly.JavaScript.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME),c=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_ASSIGNMENT)||"[]",d=Blockly.JavaScript.statementToCode(a,"DO");d=Blockly.JavaScript.addLoopTrap(d,a);a="";var e=c;c.match(/^\w+$/)||(e=Blockly.JavaScript.variableDB_.getDistinctName(b+"_list",Blockly.VARIABLE_CATEGORY_NAME),a+="var "+e+" = "+c+";\n");c=Blockly.JavaScript.variableDB_.getDistinctName(b+
-"_index",Blockly.VARIABLE_CATEGORY_NAME);d=Blockly.JavaScript.INDENT+b+" = "+e+"["+c+"];\n"+d;return a+("for (var "+c+" in "+e+") {\n"+d+"}\n")};
-Blockly.JavaScript.controls_flow_statements=function(a){var b="";Blockly.JavaScript.STATEMENT_PREFIX&&(b+=Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_PREFIX,a));Blockly.JavaScript.STATEMENT_SUFFIX&&(b+=Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_SUFFIX,a));if(Blockly.JavaScript.STATEMENT_PREFIX){var c=Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN.getSurroundLoop(a);c&&!c.suppressPrefixSuffix&&(b+=Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_PREFIX,
-c))}switch(a.getFieldValue("FLOW")){case "BREAK":return b+"break;\n";case "CONTINUE":return b+"continue;\n"}throw Error("Unknown flow statement.");};Blockly.JavaScript.math={};Blockly.JavaScript.math_number=function(a){a=Number(a.getFieldValue("NUM"));return[a,0<=a?Blockly.JavaScript.ORDER_ATOMIC:Blockly.JavaScript.ORDER_UNARY_NEGATION]};
-Blockly.JavaScript.math_arithmetic=function(a){var b={ADD:[" + ",Blockly.JavaScript.ORDER_ADDITION],MINUS:[" - ",Blockly.JavaScript.ORDER_SUBTRACTION],MULTIPLY:[" * ",Blockly.JavaScript.ORDER_MULTIPLICATION],DIVIDE:[" / ",Blockly.JavaScript.ORDER_DIVISION],POWER:[null,Blockly.JavaScript.ORDER_COMMA]}[a.getFieldValue("OP")],c=b[0];b=b[1];var d=Blockly.JavaScript.valueToCode(a,"A",b)||"0";a=Blockly.JavaScript.valueToCode(a,"B",b)||"0";return c?[d+c+a,b]:["Math.pow("+d+", "+a+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
-Blockly.JavaScript.math_single=function(a){var b=a.getFieldValue("OP");if("NEG"==b)return a=Blockly.JavaScript.valueToCode(a,"NUM",Blockly.JavaScript.ORDER_UNARY_NEGATION)||"0","-"==a[0]&&(a=" "+a),["-"+a,Blockly.JavaScript.ORDER_UNARY_NEGATION];a="SIN"==b||"COS"==b||"TAN"==b?Blockly.JavaScript.valueToCode(a,"NUM",Blockly.JavaScript.ORDER_DIVISION)||"0":Blockly.JavaScript.valueToCode(a,"NUM",Blockly.JavaScript.ORDER_NONE)||"0";switch(b){case "ABS":var c="Math.abs("+a+")";break;case "ROOT":c="Math.sqrt("+
-a+")";break;case "LN":c="Math.log("+a+")";break;case "EXP":c="Math.exp("+a+")";break;case "POW10":c="Math.pow(10,"+a+")";break;case "ROUND":c="Math.round("+a+")";break;case "ROUNDUP":c="Math.ceil("+a+")";break;case "ROUNDDOWN":c="Math.floor("+a+")";break;case "SIN":c="Math.sin("+a+" / 180 * Math.PI)";break;case "COS":c="Math.cos("+a+" / 180 * Math.PI)";break;case "TAN":c="Math.tan("+a+" / 180 * Math.PI)"}if(c)return[c,Blockly.JavaScript.ORDER_FUNCTION_CALL];switch(b){case "LOG10":c="Math.log("+a+
-") / Math.log(10)";break;case "ASIN":c="Math.asin("+a+") / Math.PI * 180";break;case "ACOS":c="Math.acos("+a+") / Math.PI * 180";break;case "ATAN":c="Math.atan("+a+") / Math.PI * 180";break;default:throw Error("Unknown math operator: "+b);}return[c,Blockly.JavaScript.ORDER_DIVISION]};
-Blockly.JavaScript.math_constant=function(a){return{PI:["Math.PI",Blockly.JavaScript.ORDER_MEMBER],E:["Math.E",Blockly.JavaScript.ORDER_MEMBER],GOLDEN_RATIO:["(1 + Math.sqrt(5)) / 2",Blockly.JavaScript.ORDER_DIVISION],SQRT2:["Math.SQRT2",Blockly.JavaScript.ORDER_MEMBER],SQRT1_2:["Math.SQRT1_2",Blockly.JavaScript.ORDER_MEMBER],INFINITY:["Infinity",Blockly.JavaScript.ORDER_ATOMIC]}[a.getFieldValue("CONSTANT")]};
-Blockly.JavaScript.math_number_property=function(a){var b=Blockly.JavaScript.valueToCode(a,"NUMBER_TO_CHECK",Blockly.JavaScript.ORDER_MODULUS)||"0",c=a.getFieldValue("PROPERTY");if("PRIME"==c)return[Blockly.JavaScript.provideFunction_("mathIsPrime",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(n) {","  // https://en.wikipedia.org/wiki/Primality_test#Naive_methods","  if (n == 2 || n == 3) {","    return true;","  }","  // False if n is NaN, negative, is 1, or not whole.","  // And false if n is divisible by 2 or 3.",
-"  if (isNaN(n) || n <= 1 || n % 1 != 0 || n % 2 == 0 || n % 3 == 0) {","    return false;","  }","  // Check all the numbers of form 6k +/- 1, up to sqrt(n).","  for (var x = 6; x <= Math.sqrt(n) + 1; x += 6) {","    if (n % (x - 1) == 0 || n % (x + 1) == 0) {","      return false;","    }","  }","  return true;","}"])+"("+b+")",Blockly.JavaScript.ORDER_FUNCTION_CALL];switch(c){case "EVEN":var d=b+" % 2 == 0";break;case "ODD":d=b+" % 2 == 1";break;case "WHOLE":d=b+" % 1 == 0";break;case "POSITIVE":d=
-b+" > 0";break;case "NEGATIVE":d=b+" < 0";break;case "DIVISIBLE_BY":a=Blockly.JavaScript.valueToCode(a,"DIVISOR",Blockly.JavaScript.ORDER_MODULUS)||"0",d=b+" % "+a+" == 0"}return[d,Blockly.JavaScript.ORDER_EQUALITY]};
-Blockly.JavaScript.math_change=function(a){var b=Blockly.JavaScript.valueToCode(a,"DELTA",Blockly.JavaScript.ORDER_ADDITION)||"0";a=Blockly.JavaScript.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME);return a+" = (typeof "+a+" == 'number' ? "+a+" : 0) + "+b+";\n"};Blockly.JavaScript.math_round=Blockly.JavaScript.math_single;Blockly.JavaScript.math_trig=Blockly.JavaScript.math_single;
-Blockly.JavaScript.math_on_list=function(a){var b=a.getFieldValue("OP");switch(b){case "SUM":a=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_MEMBER)||"[]";a+=".reduce(function(x, y) {return x + y;})";break;case "MIN":a=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_COMMA)||"[]";a="Math.min.apply(null, "+a+")";break;case "MAX":a=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_COMMA)||"[]";a="Math.max.apply(null, "+a+")";break;case "AVERAGE":b=Blockly.JavaScript.provideFunction_("mathMean",
-["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(myList) {","  return myList.reduce(function(x, y) {return x + y;}) / myList.length;","}"]);a=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_NONE)||"[]";a=b+"("+a+")";break;case "MEDIAN":b=Blockly.JavaScript.provideFunction_("mathMedian",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(myList) {","  var localList = myList.filter(function (x) {return typeof x == 'number';});","  if (!localList.length) return null;",
-"  localList.sort(function(a, b) {return b - a;});","  if (localList.length % 2 == 0) {","    return (localList[localList.length / 2 - 1] + localList[localList.length / 2]) / 2;","  } else {","    return localList[(localList.length - 1) / 2];","  }","}"]);a=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_NONE)||"[]";a=b+"("+a+")";break;case "MODE":b=Blockly.JavaScript.provideFunction_("mathModes",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(values) {","  var modes = [];",
-"  var counts = [];","  var maxCount = 0;","  for (var i = 0; i < values.length; i++) {","    var value = values[i];","    var found = false;","    var thisCount;","    for (var j = 0; j < counts.length; j++) {","      if (counts[j][0] === value) {","        thisCount = ++counts[j][1];","        found = true;","        break;","      }","    }","    if (!found) {","      counts.push([value, 1]);","      thisCount = 1;","    }","    maxCount = Math.max(thisCount, maxCount);","  }","  for (var j = 0; j < counts.length; j++) {",
-"    if (counts[j][1] == maxCount) {","        modes.push(counts[j][0]);","    }","  }","  return modes;","}"]);a=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_NONE)||"[]";a=b+"("+a+")";break;case "STD_DEV":b=Blockly.JavaScript.provideFunction_("mathStandardDeviation",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(numbers) {","  var n = numbers.length;","  if (!n) return null;","  var mean = numbers.reduce(function(x, y) {return x + y;}) / n;","  var variance = 0;",
-"  for (var j = 0; j < n; j++) {","    variance += Math.pow(numbers[j] - mean, 2);","  }","  variance = variance / n;","  return Math.sqrt(variance);","}"]);a=Blockly.JavaScript.valueToCode(a,"LIST",Blockly.JavaScript.ORDER_NONE)||"[]";a=b+"("+a+")";break;case "RANDOM":b=Blockly.JavaScript.provideFunction_("mathRandomList",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(list) {","  var x = Math.floor(Math.random() * list.length);","  return list[x];","}"]);a=Blockly.JavaScript.valueToCode(a,
-"LIST",Blockly.JavaScript.ORDER_NONE)||"[]";a=b+"("+a+")";break;default:throw Error("Unknown operator: "+b);}return[a,Blockly.JavaScript.ORDER_FUNCTION_CALL]};Blockly.JavaScript.math_modulo=function(a){var b=Blockly.JavaScript.valueToCode(a,"DIVIDEND",Blockly.JavaScript.ORDER_MODULUS)||"0";a=Blockly.JavaScript.valueToCode(a,"DIVISOR",Blockly.JavaScript.ORDER_MODULUS)||"0";return[b+" % "+a,Blockly.JavaScript.ORDER_MODULUS]};
-Blockly.JavaScript.math_constrain=function(a){var b=Blockly.JavaScript.valueToCode(a,"VALUE",Blockly.JavaScript.ORDER_COMMA)||"0",c=Blockly.JavaScript.valueToCode(a,"LOW",Blockly.JavaScript.ORDER_COMMA)||"0";a=Blockly.JavaScript.valueToCode(a,"HIGH",Blockly.JavaScript.ORDER_COMMA)||"Infinity";return["Math.min(Math.max("+b+", "+c+"), "+a+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
-Blockly.JavaScript.math_random_int=function(a){var b=Blockly.JavaScript.valueToCode(a,"FROM",Blockly.JavaScript.ORDER_COMMA)||"0";a=Blockly.JavaScript.valueToCode(a,"TO",Blockly.JavaScript.ORDER_COMMA)||"0";return[Blockly.JavaScript.provideFunction_("mathRandomInt",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(a, b) {","  if (a > b) {","    // Swap a and b to ensure a is smaller.","    var c = a;","    a = b;","    b = c;","  }","  return Math.floor(Math.random() * (b - a + 1) + a);",
-"}"])+"("+b+", "+a+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};Blockly.JavaScript.math_random_float=function(a){return["Math.random()",Blockly.JavaScript.ORDER_FUNCTION_CALL]};Blockly.JavaScript.math_atan2=function(a){var b=Blockly.JavaScript.valueToCode(a,"X",Blockly.JavaScript.ORDER_COMMA)||"0";return["Math.atan2("+(Blockly.JavaScript.valueToCode(a,"Y",Blockly.JavaScript.ORDER_COMMA)||"0")+", "+b+") / Math.PI * 180",Blockly.JavaScript.ORDER_DIVISION]};Blockly.JavaScript.procedures={};
-Blockly.JavaScript.procedures_defreturn=function(a){var b=Blockly.JavaScript.variableDB_.getName(a.getFieldValue("NAME"),Blockly.PROCEDURE_CATEGORY_NAME),c="";Blockly.JavaScript.STATEMENT_PREFIX&&(c+=Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_PREFIX,a));Blockly.JavaScript.STATEMENT_SUFFIX&&(c+=Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_SUFFIX,a));c&&(c=Blockly.JavaScript.prefixLines(c,Blockly.JavaScript.INDENT));var d="";Blockly.JavaScript.INFINITE_LOOP_TRAP&&(d=Blockly.JavaScript.prefixLines(Blockly.JavaScript.injectId(Blockly.JavaScript.INFINITE_LOOP_TRAP,
-a),Blockly.JavaScript.INDENT));var e=Blockly.JavaScript.statementToCode(a,"STACK"),f=Blockly.JavaScript.valueToCode(a,"RETURN",Blockly.JavaScript.ORDER_NONE)||"",g="";e&&f&&(g=c);f&&(f=Blockly.JavaScript.INDENT+"return "+f+";\n");for(var h=[],l=a.getVars(),k=0;k<l.length;k++)h[k]=Blockly.JavaScript.variableDB_.getName(l[k],Blockly.VARIABLE_CATEGORY_NAME);c="function "+b+"("+h.join(", ")+") {\n"+c+d+e+g+f+"}";c=Blockly.JavaScript.scrub_(a,c);Blockly.JavaScript.definitions_["%"+b]=c;return null};
-Blockly.JavaScript.procedures_defnoreturn=Blockly.JavaScript.procedures_defreturn;Blockly.JavaScript.procedures_callreturn=function(a){for(var b=Blockly.JavaScript.variableDB_.getName(a.getFieldValue("NAME"),Blockly.PROCEDURE_CATEGORY_NAME),c=[],d=a.getVars(),e=0;e<d.length;e++)c[e]=Blockly.JavaScript.valueToCode(a,"ARG"+e,Blockly.JavaScript.ORDER_COMMA)||"null";return[b+"("+c.join(", ")+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};
-Blockly.JavaScript.procedures_callnoreturn=function(a){return Blockly.JavaScript.procedures_callreturn(a)[0]+";\n"};
-Blockly.JavaScript.procedures_ifreturn=function(a){var b="if ("+(Blockly.JavaScript.valueToCode(a,"CONDITION",Blockly.JavaScript.ORDER_NONE)||"false")+") {\n";Blockly.JavaScript.STATEMENT_SUFFIX&&(b+=Blockly.JavaScript.prefixLines(Blockly.JavaScript.injectId(Blockly.JavaScript.STATEMENT_SUFFIX,a),Blockly.JavaScript.INDENT));a.hasReturnValue_?(a=Blockly.JavaScript.valueToCode(a,"VALUE",Blockly.JavaScript.ORDER_NONE)||"null",b+=Blockly.JavaScript.INDENT+"return "+a+";\n"):b+=Blockly.JavaScript.INDENT+
-"return;\n";return b+"}\n"};Blockly.JavaScript.texts={};Blockly.JavaScript.text=function(a){return[Blockly.JavaScript.quote_(a.getFieldValue("TEXT")),Blockly.JavaScript.ORDER_ATOMIC]};Blockly.JavaScript.text_multiline=function(a){a=Blockly.JavaScript.multiline_quote_(a.getFieldValue("TEXT"));-1!=a.indexOf("\n")&&(a="("+a+")");return[a,Blockly.JavaScript.ORDER_ATOMIC]};Blockly.JavaScript.text.forceString_=function(a){return Blockly.JavaScript.text.forceString_.strRegExp.test(a)?a:"String("+a+")"};
-Blockly.JavaScript.text.forceString_.strRegExp=/^\s*'([^']|\\')*'\s*$/;
-Blockly.JavaScript.text_join=function(a){switch(a.itemCount_){case 0:return["''",Blockly.JavaScript.ORDER_ATOMIC];case 1:return a=Blockly.JavaScript.valueToCode(a,"ADD0",Blockly.JavaScript.ORDER_NONE)||"''",a=Blockly.JavaScript.text.forceString_(a),[a,Blockly.JavaScript.ORDER_FUNCTION_CALL];case 2:var b=Blockly.JavaScript.valueToCode(a,"ADD0",Blockly.JavaScript.ORDER_NONE)||"''";a=Blockly.JavaScript.valueToCode(a,"ADD1",Blockly.JavaScript.ORDER_NONE)||"''";a=Blockly.JavaScript.text.forceString_(b)+
-" + "+Blockly.JavaScript.text.forceString_(a);return[a,Blockly.JavaScript.ORDER_ADDITION];default:b=Array(a.itemCount_);for(var c=0;c<a.itemCount_;c++)b[c]=Blockly.JavaScript.valueToCode(a,"ADD"+c,Blockly.JavaScript.ORDER_COMMA)||"''";a="["+b.join(",")+"].join('')";return[a,Blockly.JavaScript.ORDER_FUNCTION_CALL]}};
-Blockly.JavaScript.text_append=function(a){var b=Blockly.JavaScript.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME);a=Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_NONE)||"''";return b+" += "+Blockly.JavaScript.text.forceString_(a)+";\n"};Blockly.JavaScript.text_length=function(a){return[(Blockly.JavaScript.valueToCode(a,"VALUE",Blockly.JavaScript.ORDER_FUNCTION_CALL)||"''")+".length",Blockly.JavaScript.ORDER_MEMBER]};
-Blockly.JavaScript.text_isEmpty=function(a){return["!"+(Blockly.JavaScript.valueToCode(a,"VALUE",Blockly.JavaScript.ORDER_MEMBER)||"''")+".length",Blockly.JavaScript.ORDER_LOGICAL_NOT]};
-Blockly.JavaScript.text_indexOf=function(a){var b="FIRST"==a.getFieldValue("END")?"indexOf":"lastIndexOf",c=Blockly.JavaScript.valueToCode(a,"FIND",Blockly.JavaScript.ORDER_NONE)||"''";b=(Blockly.JavaScript.valueToCode(a,"VALUE",Blockly.JavaScript.ORDER_MEMBER)||"''")+"."+b+"("+c+")";return a.workspace.options.oneBasedIndex?[b+" + 1",Blockly.JavaScript.ORDER_ADDITION]:[b,Blockly.JavaScript.ORDER_FUNCTION_CALL]};
-Blockly.JavaScript.text_charAt=function(a){var b=a.getFieldValue("WHERE")||"FROM_START",c=Blockly.JavaScript.valueToCode(a,"VALUE","RANDOM"==b?Blockly.JavaScript.ORDER_NONE:Blockly.JavaScript.ORDER_MEMBER)||"''";switch(b){case "FIRST":return[c+".charAt(0)",Blockly.JavaScript.ORDER_FUNCTION_CALL];case "LAST":return[c+".slice(-1)",Blockly.JavaScript.ORDER_FUNCTION_CALL];case "FROM_START":return a=Blockly.JavaScript.getAdjusted(a,"AT"),[c+".charAt("+a+")",Blockly.JavaScript.ORDER_FUNCTION_CALL];case "FROM_END":return a=
-Blockly.JavaScript.getAdjusted(a,"AT",1,!0),[c+".slice("+a+").charAt(0)",Blockly.JavaScript.ORDER_FUNCTION_CALL];case "RANDOM":return[Blockly.JavaScript.provideFunction_("textRandomLetter",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(text) {","  var x = Math.floor(Math.random() * text.length);","  return text[x];","}"])+"("+c+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]}throw Error("Unhandled option (text_charAt).");};
-Blockly.JavaScript.text.getIndex_=function(a,b,c){return"FIRST"==b?"0":"FROM_END"==b?a+".length - 1 - "+c:"LAST"==b?a+".length - 1":c};
-Blockly.JavaScript.text_getSubstring=function(a){var b=Blockly.JavaScript.valueToCode(a,"STRING",Blockly.JavaScript.ORDER_FUNCTION_CALL)||"''",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if("FIRST"!=c||"LAST"!=d)if(b.match(/^'?\w+'?$/)||"FROM_END"!=c&&"LAST"!=c&&"FROM_END"!=d&&"LAST"!=d){switch(c){case "FROM_START":var e=Blockly.JavaScript.getAdjusted(a,"AT1");break;case "FROM_END":e=Blockly.JavaScript.getAdjusted(a,"AT1",1,!1,Blockly.JavaScript.ORDER_SUBTRACTION);e=b+".length - "+e;break;
-case "FIRST":e="0";break;default:throw Error("Unhandled option (text_getSubstring).");}switch(d){case "FROM_START":a=Blockly.JavaScript.getAdjusted(a,"AT2",1);break;case "FROM_END":a=Blockly.JavaScript.getAdjusted(a,"AT2",0,!1,Blockly.JavaScript.ORDER_SUBTRACTION);a=b+".length - "+a;break;case "LAST":a=b+".length";break;default:throw Error("Unhandled option (text_getSubstring).");}b=b+".slice("+e+", "+a+")"}else{e=Blockly.JavaScript.getAdjusted(a,"AT1");a=Blockly.JavaScript.getAdjusted(a,"AT2");var f=
-Blockly.JavaScript.text.getIndex_,g={FIRST:"First",LAST:"Last",FROM_START:"FromStart",FROM_END:"FromEnd"};b=Blockly.JavaScript.provideFunction_("subsequence"+g[c]+g[d],["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(sequence"+("FROM_END"==c||"FROM_START"==c?", at1":"")+("FROM_END"==d||"FROM_START"==d?", at2":"")+") {","  var start = "+f("sequence",c,"at1")+";","  var end = "+f("sequence",d,"at2")+" + 1;","  return sequence.slice(start, end);","}"])+"("+b+("FROM_END"==c||"FROM_START"==
-c?", "+e:"")+("FROM_END"==d||"FROM_START"==d?", "+a:"")+")"}return[b,Blockly.JavaScript.ORDER_FUNCTION_CALL]};
-Blockly.JavaScript.text_changeCase=function(a){var b={UPPERCASE:".toUpperCase()",LOWERCASE:".toLowerCase()",TITLECASE:null}[a.getFieldValue("CASE")];a=Blockly.JavaScript.valueToCode(a,"TEXT",b?Blockly.JavaScript.ORDER_MEMBER:Blockly.JavaScript.ORDER_NONE)||"''";return[b?a+b:Blockly.JavaScript.provideFunction_("textToTitleCase",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(str) {","  return str.replace(/\\S+/g,","      function(txt) {return txt[0].toUpperCase() + txt.substring(1).toLowerCase();});",
-"}"])+"("+a+")",Blockly.JavaScript.ORDER_FUNCTION_CALL]};Blockly.JavaScript.text_trim=function(a){var b={LEFT:".replace(/^[\\s\\xa0]+/, '')",RIGHT:".replace(/[\\s\\xa0]+$/, '')",BOTH:".trim()"}[a.getFieldValue("MODE")];return[(Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_MEMBER)||"''")+b,Blockly.JavaScript.ORDER_FUNCTION_CALL]};Blockly.JavaScript.text_print=function(a){return"window.alert("+(Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_NONE)||"''")+");\n"};
-Blockly.JavaScript.text_prompt_ext=function(a){var b="window.prompt("+(a.getField("TEXT")?Blockly.JavaScript.quote_(a.getFieldValue("TEXT")):Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_NONE)||"''")+")";"NUMBER"==a.getFieldValue("TYPE")&&(b="Number("+b+")");return[b,Blockly.JavaScript.ORDER_FUNCTION_CALL]};Blockly.JavaScript.text_prompt=Blockly.JavaScript.text_prompt_ext;
-Blockly.JavaScript.text_count=function(a){var b=Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_MEMBER)||"''";a=Blockly.JavaScript.valueToCode(a,"SUB",Blockly.JavaScript.ORDER_NONE)||"''";return[Blockly.JavaScript.provideFunction_("textCount",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(haystack, needle) {","  if (needle.length === 0) {","    return haystack.length + 1;","  } else {","    return haystack.split(needle).length - 1;","  }","}"])+"("+b+", "+a+")",Blockly.JavaScript.ORDER_SUBTRACTION]};
-Blockly.JavaScript.text_replace=function(a){var b=Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_MEMBER)||"''",c=Blockly.JavaScript.valueToCode(a,"FROM",Blockly.JavaScript.ORDER_NONE)||"''";a=Blockly.JavaScript.valueToCode(a,"TO",Blockly.JavaScript.ORDER_NONE)||"''";return[Blockly.JavaScript.provideFunction_("textReplace",["function "+Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_+"(haystack, needle, replacement) {",'  needle = needle.replace(/([-()\\[\\]{}+?*.$\\^|,:#<!\\\\])/g,"\\\\$1")',
-'                 .replace(/\\x08/g,"\\\\x08");',"  return haystack.replace(new RegExp(needle, 'g'), replacement);","}"])+"("+b+", "+c+", "+a+")",Blockly.JavaScript.ORDER_MEMBER]};Blockly.JavaScript.text_reverse=function(a){return[(Blockly.JavaScript.valueToCode(a,"TEXT",Blockly.JavaScript.ORDER_MEMBER)||"''")+".split('').reverse().join('')",Blockly.JavaScript.ORDER_MEMBER]};Blockly.JavaScript.variables={};Blockly.JavaScript.variables_get=function(a){return[Blockly.JavaScript.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME),Blockly.JavaScript.ORDER_ATOMIC]};Blockly.JavaScript.variables_set=function(a){var b=Blockly.JavaScript.valueToCode(a,"VALUE",Blockly.JavaScript.ORDER_ASSIGNMENT)||"0";return Blockly.JavaScript.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME)+" = "+b+";\n"};Blockly.JavaScript.variablesDynamic={};Blockly.JavaScript.variables_get_dynamic=Blockly.JavaScript.variables_get;Blockly.JavaScript.variables_set_dynamic=Blockly.JavaScript.variables_set;
-return Blockly.JavaScript;
-}));
-
-
-//# sourceMappingURL=javascript_compressed.js.map
diff --git a/javascript_compressed.js.map b/javascript_compressed.js.map
deleted file mode 100644
index 1c56bbe7514..00000000000
--- a/javascript_compressed.js.map
+++ /dev/null
@@ -1 +0,0 @@
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\ No newline at end of file
diff --git a/jsconfig.json b/jsconfig.json
index ba31d905bab..8986a968895 100644
--- a/jsconfig.json
+++ b/jsconfig.json
@@ -2,11 +2,6 @@
   "compilerOptions": {
     "target": "es5"
   },
-  "include": [
-    "core/**/**/*",
-    "typings/blockly.d.ts"
-  ],
-  "exclude": [
-      "node_modules"
-  ]
+  "include": ["core/**/**/*", "typings/blockly.d.ts"],
+  "exclude": ["node_modules"]
 }
diff --git a/lua_compressed.js b/lua_compressed.js
deleted file mode 100644
index 59c08d1ba3c..00000000000
--- a/lua_compressed.js
+++ /dev/null
@@ -1,94 +0,0 @@
-// Do not edit this file; automatically generated by gulp.
-
-/* eslint-disable */
-;(function(root, factory) {
-  if (typeof define === 'function' && define.amd) { // AMD
-    define(['./blockly_compressed.js'], factory);
-  } else if (typeof exports === 'object') { // Node.js
-    module.exports = factory(require('./blockly_compressed.js'));
-  } else { // Browser
-    root.Blockly.Lua = factory(root.Blockly);
-  }
-}(this, function(Blockly) {
-  'use strict';Blockly.Lua=new Blockly.Generator("Lua");Blockly.Lua.addReservedWords("_,__inext,assert,bit,colors,colours,coroutine,disk,dofile,error,fs,fetfenv,getmetatable,gps,help,io,ipairs,keys,loadfile,loadstring,math,native,next,os,paintutils,pairs,parallel,pcall,peripheral,print,printError,rawequal,rawget,rawset,read,rednet,redstone,rs,select,setfenv,setmetatable,sleep,string,table,term,textutils,tonumber,tostring,turtle,type,unpack,vector,write,xpcall,_VERSION,__indext,HTTP,and,break,do,else,elseif,end,false,for,function,if,in,local,nil,not,or,repeat,return,then,true,until,while,add,sub,mul,div,mod,pow,unm,concat,len,eq,lt,le,index,newindex,call,assert,collectgarbage,dofile,error,_G,getmetatable,inpairs,load,loadfile,next,pairs,pcall,print,rawequal,rawget,rawlen,rawset,select,setmetatable,tonumber,tostring,type,_VERSION,xpcall,require,package,string,table,math,bit32,io,file,os,debug");
-Blockly.Lua.ORDER_ATOMIC=0;Blockly.Lua.ORDER_HIGH=1;Blockly.Lua.ORDER_EXPONENTIATION=2;Blockly.Lua.ORDER_UNARY=3;Blockly.Lua.ORDER_MULTIPLICATIVE=4;Blockly.Lua.ORDER_ADDITIVE=5;Blockly.Lua.ORDER_CONCATENATION=6;Blockly.Lua.ORDER_RELATIONAL=7;Blockly.Lua.ORDER_AND=8;Blockly.Lua.ORDER_OR=9;Blockly.Lua.ORDER_NONE=99;
-Blockly.Lua.init=function(a){Blockly.Lua.definitions_=Object.create(null);Blockly.Lua.functionNames_=Object.create(null);Blockly.Lua.variableDB_?Blockly.Lua.variableDB_.reset():Blockly.Lua.variableDB_=new Blockly.Names(Blockly.Lua.RESERVED_WORDS_);Blockly.Lua.variableDB_.setVariableMap(a.getVariableMap())};
-Blockly.Lua.finish=function(a){var b=[],c;for(c in Blockly.Lua.definitions_)b.push(Blockly.Lua.definitions_[c]);delete Blockly.Lua.definitions_;delete Blockly.Lua.functionNames_;Blockly.Lua.variableDB_.reset();return b.join("\n\n")+"\n\n\n"+a};Blockly.Lua.scrubNakedValue=function(a){return"local _ = "+a+"\n"};Blockly.Lua.quote_=function(a){a=a.replace(/\\/g,"\\\\").replace(/\n/g,"\\\n").replace(/'/g,"\\'");return"'"+a+"'"};Blockly.Lua.multiline_quote_=function(a){return a.split(/\n/g).map(Blockly.Lua.quote_).join(" .. '\\n' ..\n")};
-Blockly.Lua.scrub_=function(a,b,c){var d="";if(!a.outputConnection||!a.outputConnection.targetConnection){var e=a.getCommentText();e&&(e=Blockly.utils.string.wrap(e,Blockly.Lua.COMMENT_WRAP-3),d+=Blockly.Lua.prefixLines(e,"-- ")+"\n");for(var f=0;f<a.inputList.length;f++)a.inputList[f].type==Blockly.INPUT_VALUE&&(e=a.inputList[f].connection.targetBlock())&&(e=Blockly.Lua.allNestedComments(e))&&(d+=Blockly.Lua.prefixLines(e,"-- "))}a=a.nextConnection&&a.nextConnection.targetBlock();c=c?"":Blockly.Lua.blockToCode(a);
-return d+b+c};Blockly.Lua.colour={};Blockly.Lua.colour_picker=function(a){return[Blockly.Lua.quote_(a.getFieldValue("COLOUR")),Blockly.Lua.ORDER_ATOMIC]};Blockly.Lua.colour_random=function(a){return['string.format("#%06x", math.random(0, 2^24 - 1))',Blockly.Lua.ORDER_HIGH]};
-Blockly.Lua.colour_rgb=function(a){var b=Blockly.Lua.provideFunction_("colour_rgb",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(r, g, b)","  r = math.floor(math.min(100, math.max(0, r)) * 2.55 + .5)","  g = math.floor(math.min(100, math.max(0, g)) * 2.55 + .5)","  b = math.floor(math.min(100, math.max(0, b)) * 2.55 + .5)",'  return string.format("#%02x%02x%02x", r, g, b)',"end"]),c=Blockly.Lua.valueToCode(a,"RED",Blockly.Lua.ORDER_NONE)||0,d=Blockly.Lua.valueToCode(a,"GREEN",Blockly.Lua.ORDER_NONE)||
-0;a=Blockly.Lua.valueToCode(a,"BLUE",Blockly.Lua.ORDER_NONE)||0;return[b+"("+c+", "+d+", "+a+")",Blockly.Lua.ORDER_HIGH]};
-Blockly.Lua.colour_blend=function(a){var b=Blockly.Lua.provideFunction_("colour_blend",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(colour1, colour2, ratio)","  local r1 = tonumber(string.sub(colour1, 2, 3), 16)","  local r2 = tonumber(string.sub(colour2, 2, 3), 16)","  local g1 = tonumber(string.sub(colour1, 4, 5), 16)","  local g2 = tonumber(string.sub(colour2, 4, 5), 16)","  local b1 = tonumber(string.sub(colour1, 6, 7), 16)","  local b2 = tonumber(string.sub(colour2, 6, 7), 16)","  local ratio = math.min(1, math.max(0, ratio))",
-"  local r = math.floor(r1 * (1 - ratio) + r2 * ratio + .5)","  local g = math.floor(g1 * (1 - ratio) + g2 * ratio + .5)","  local b = math.floor(b1 * (1 - ratio) + b2 * ratio + .5)",'  return string.format("#%02x%02x%02x", r, g, b)',"end"]),c=Blockly.Lua.valueToCode(a,"COLOUR1",Blockly.Lua.ORDER_NONE)||"'#000000'",d=Blockly.Lua.valueToCode(a,"COLOUR2",Blockly.Lua.ORDER_NONE)||"'#000000'";a=Blockly.Lua.valueToCode(a,"RATIO",Blockly.Lua.ORDER_NONE)||0;return[b+"("+c+", "+d+", "+a+")",Blockly.Lua.ORDER_HIGH]};Blockly.Lua.lists={};Blockly.Lua.lists_create_empty=function(a){return["{}",Blockly.Lua.ORDER_HIGH]};Blockly.Lua.lists_create_with=function(a){for(var b=Array(a.itemCount_),c=0;c<a.itemCount_;c++)b[c]=Blockly.Lua.valueToCode(a,"ADD"+c,Blockly.Lua.ORDER_NONE)||"None";return["{"+b.join(", ")+"}",Blockly.Lua.ORDER_HIGH]};
-Blockly.Lua.lists_repeat=function(a){var b=Blockly.Lua.provideFunction_("create_list_repeated",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(item, count)","  local t = {}","  for i = 1, count do","    table.insert(t, item)","  end","  return t","end"]),c=Blockly.Lua.valueToCode(a,"ITEM",Blockly.Lua.ORDER_NONE)||"None";a=Blockly.Lua.valueToCode(a,"NUM",Blockly.Lua.ORDER_NONE)||"0";return[b+"("+c+", "+a+")",Blockly.Lua.ORDER_HIGH]};
-Blockly.Lua.lists_length=function(a){return["#"+(Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_UNARY)||"{}"),Blockly.Lua.ORDER_UNARY]};Blockly.Lua.lists_isEmpty=function(a){return["#"+(Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_UNARY)||"{}")+" == 0",Blockly.Lua.ORDER_RELATIONAL]};
-Blockly.Lua.lists_indexOf=function(a){var b=Blockly.Lua.valueToCode(a,"FIND",Blockly.Lua.ORDER_NONE)||"''",c=Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_NONE)||"{}";return[("FIRST"==a.getFieldValue("END")?Blockly.Lua.provideFunction_("first_index",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t, elem)","  for k, v in ipairs(t) do","    if v == elem then","      return k","    end","  end","  return 0","end"]):Blockly.Lua.provideFunction_("last_index",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+
-"(t, elem)","  for i = #t, 1, -1 do","    if t[i] == elem then","      return i","    end","  end","  return 0","end"]))+"("+c+", "+b+")",Blockly.Lua.ORDER_HIGH]};Blockly.Lua.lists.getIndex_=function(a,b,c){return"FIRST"==b?"1":"FROM_END"==b?"#"+a+" + 1 - "+c:"LAST"==b?"#"+a:"RANDOM"==b?"math.random(#"+a+")":c};
-Blockly.Lua.lists_getIndex=function(a){var b=a.getFieldValue("MODE")||"GET",c=a.getFieldValue("WHERE")||"FROM_START",d=Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_HIGH)||"({})",e=Blockly.Lua.lists.getIndex_;if("LAST"!=c&&"FROM_END"!=c&&"RANDOM"!=c||d.match(/^\w+$/)){f="GET"==b&&"FROM_END"==c?Blockly.Lua.ORDER_ADDITIVE:Blockly.Lua.ORDER_NONE;a=Blockly.Lua.valueToCode(a,"AT",f)||"1";a=e(d,c,a);if("GET"==b)return[d+"["+a+"]",Blockly.Lua.ORDER_HIGH];c="table.remove("+d+", "+a+")";return"GET_REMOVE"==
-b?[c,Blockly.Lua.ORDER_HIGH]:c+"\n"}if("REMOVE"==b){var f="FROM_END"==c?Blockly.Lua.ORDER_ADDITIVE:Blockly.Lua.ORDER_NONE;a=Blockly.Lua.valueToCode(a,"AT",f)||"1";b=Blockly.Lua.variableDB_.getDistinctName("tmp_list",Blockly.VARIABLE_CATEGORY_NAME);a=e(b,c,a);return b+" = "+d+"\ntable.remove("+b+", "+a+")\n"}a=Blockly.Lua.valueToCode(a,"AT",Blockly.Lua.ORDER_NONE)||"1";return[("GET"==b?Blockly.Lua.provideFunction_("list_get_"+c.toLowerCase(),["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t"+
-("FROM_END"==c||"FROM_START"==c?", at)":")"),"  return t["+e("t",c,"at")+"]","end"]):Blockly.Lua.provideFunction_("list_remove_"+c.toLowerCase(),["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t"+("FROM_END"==c||"FROM_START"==c?", at)":")"),"  return table.remove(t, "+e("t",c,"at")+")","end"]))+"("+d+("FROM_END"==c||"FROM_START"==c?", "+a:"")+")",Blockly.Lua.ORDER_HIGH]};
-Blockly.Lua.lists_setIndex=function(a){var b=Blockly.Lua.valueToCode(a,"LIST",Blockly.Lua.ORDER_HIGH)||"{}",c=a.getFieldValue("MODE")||"SET",d=a.getFieldValue("WHERE")||"FROM_START",e=Blockly.Lua.valueToCode(a,"AT",Blockly.Lua.ORDER_ADDITIVE)||"1";a=Blockly.Lua.valueToCode(a,"TO",Blockly.Lua.ORDER_NONE)||"None";var f=Blockly.Lua.lists.getIndex_,g="";if(("LAST"==d||"FROM_END"==d||"RANDOM"==d)&&!b.match(/^\w+$/)){var h=Blockly.Lua.variableDB_.getDistinctName("tmp_list",Blockly.VARIABLE_CATEGORY_NAME);
-g=h+" = "+b+"\n";b=h}g="SET"==c?g+(b+"["+f(b,d,e)+"] = "+a):g+("table.insert("+b+", "+(f(b,d,e)+("LAST"==d?" + 1":""))+", "+a+")");return g+"\n"};
-Blockly.Lua.lists_getSublist=function(a){var b=Blockly.Lua.valueToCode(a,"LIST",Blockly.Lua.ORDER_NONE)||"{}",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2"),e=Blockly.Lua.valueToCode(a,"AT1",Blockly.Lua.ORDER_NONE)||"1";a=Blockly.Lua.valueToCode(a,"AT2",Blockly.Lua.ORDER_NONE)||"1";var f=Blockly.Lua.lists.getIndex_;return[Blockly.Lua.provideFunction_("list_sublist_"+c.toLowerCase()+"_"+d.toLowerCase(),["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(source"+("FROM_END"==c||"FROM_START"==
-c?", at1":"")+("FROM_END"==d||"FROM_START"==d?", at2":"")+")","  local t = {}","  local start = "+f("source",c,"at1"),"  local finish = "+f("source",d,"at2"),"  for i = start, finish do","    table.insert(t, source[i])","  end","  return t","end"])+"("+b+("FROM_END"==c||"FROM_START"==c?", "+e:"")+("FROM_END"==d||"FROM_START"==d?", "+a:"")+")",Blockly.Lua.ORDER_HIGH]};
-Blockly.Lua.lists_sort=function(a){var b=Blockly.Lua.valueToCode(a,"LIST",Blockly.Lua.ORDER_NONE)||"{}",c="1"===a.getFieldValue("DIRECTION")?1:-1;a=a.getFieldValue("TYPE");return[Blockly.Lua.provideFunction_("list_sort",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(list, typev, direction)","  local t = {}","  for n,v in pairs(list) do table.insert(t, v) end","  local compareFuncs = {","    NUMERIC = function(a, b)","      return (tonumber(tostring(a)) or 0)","          < (tonumber(tostring(b)) or 0) end,",
-"    TEXT = function(a, b)","      return tostring(a) < tostring(b) end,","    IGNORE_CASE = function(a, b)","      return string.lower(tostring(a)) < string.lower(tostring(b)) end","  }","  local compareTemp = compareFuncs[typev]","  local compare = compareTemp","  if direction == -1","  then compare = function(a, b) return compareTemp(b, a) end","  end","  table.sort(t, compare)","  return t","end"])+"("+b+',"'+a+'", '+c+")",Blockly.Lua.ORDER_HIGH]};
-Blockly.Lua.lists_split=function(a){var b=Blockly.Lua.valueToCode(a,"INPUT",Blockly.Lua.ORDER_NONE),c=Blockly.Lua.valueToCode(a,"DELIM",Blockly.Lua.ORDER_NONE)||"''";a=a.getFieldValue("MODE");if("SPLIT"==a)b||(b="''"),a=Blockly.Lua.provideFunction_("list_string_split",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(input, delim)","  local t = {}","  local pos = 1","  while true do","    next_delim = string.find(input, delim, pos)","    if next_delim == nil then","      table.insert(t, string.sub(input, pos))",
-"      break","    else","      table.insert(t, string.sub(input, pos, next_delim-1))","      pos = next_delim + #delim","    end","  end","  return t","end"]);else if("JOIN"==a)b||(b="{}"),a="table.concat";else throw Error("Unknown mode: "+a);return[a+"("+b+", "+c+")",Blockly.Lua.ORDER_HIGH]};
-Blockly.Lua.lists_reverse=function(a){a=Blockly.Lua.valueToCode(a,"LIST",Blockly.Lua.ORDER_NONE)||"{}";return[Blockly.Lua.provideFunction_("list_reverse",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(input)","  local reversed = {}","  for i = #input, 1, -1 do","    table.insert(reversed, input[i])","  end","  return reversed","end"])+"("+a+")",Blockly.Lua.ORDER_HIGH]};Blockly.Lua.logic={};
-Blockly.Lua.controls_if=function(a){var b=0,c="";Blockly.Lua.STATEMENT_PREFIX&&(c+=Blockly.Lua.injectId(Blockly.Lua.STATEMENT_PREFIX,a));do{var d=Blockly.Lua.valueToCode(a,"IF"+b,Blockly.Lua.ORDER_NONE)||"false";var e=Blockly.Lua.statementToCode(a,"DO"+b);Blockly.Lua.STATEMENT_SUFFIX&&(e=Blockly.Lua.prefixLines(Blockly.Lua.injectId(Blockly.Lua.STATEMENT_SUFFIX,a),Blockly.Lua.INDENT)+e);c+=(0<b?"else":"")+"if "+d+" then\n"+e;++b}while(a.getInput("IF"+b));if(a.getInput("ELSE")||Blockly.Lua.STATEMENT_SUFFIX)e=
-Blockly.Lua.statementToCode(a,"ELSE"),Blockly.Lua.STATEMENT_SUFFIX&&(e=Blockly.Lua.prefixLines(Blockly.Lua.injectId(Blockly.Lua.STATEMENT_SUFFIX,a),Blockly.Lua.INDENT)+e),c+="else\n"+e;return c+"end\n"};Blockly.Lua.controls_ifelse=Blockly.Lua.controls_if;
-Blockly.Lua.logic_compare=function(a){var b={EQ:"==",NEQ:"~=",LT:"<",LTE:"<=",GT:">",GTE:">="}[a.getFieldValue("OP")],c=Blockly.Lua.valueToCode(a,"A",Blockly.Lua.ORDER_RELATIONAL)||"0";a=Blockly.Lua.valueToCode(a,"B",Blockly.Lua.ORDER_RELATIONAL)||"0";return[c+" "+b+" "+a,Blockly.Lua.ORDER_RELATIONAL]};
-Blockly.Lua.logic_operation=function(a){var b="AND"==a.getFieldValue("OP")?"and":"or",c="and"==b?Blockly.Lua.ORDER_AND:Blockly.Lua.ORDER_OR,d=Blockly.Lua.valueToCode(a,"A",c);a=Blockly.Lua.valueToCode(a,"B",c);if(d||a){var e="and"==b?"true":"false";d||(d=e);a||(a=e)}else a=d="false";return[d+" "+b+" "+a,c]};Blockly.Lua.logic_negate=function(a){return["not "+(Blockly.Lua.valueToCode(a,"BOOL",Blockly.Lua.ORDER_UNARY)||"true"),Blockly.Lua.ORDER_UNARY]};
-Blockly.Lua.logic_boolean=function(a){return["TRUE"==a.getFieldValue("BOOL")?"true":"false",Blockly.Lua.ORDER_ATOMIC]};Blockly.Lua.logic_null=function(a){return["nil",Blockly.Lua.ORDER_ATOMIC]};Blockly.Lua.logic_ternary=function(a){var b=Blockly.Lua.valueToCode(a,"IF",Blockly.Lua.ORDER_AND)||"false",c=Blockly.Lua.valueToCode(a,"THEN",Blockly.Lua.ORDER_AND)||"nil";a=Blockly.Lua.valueToCode(a,"ELSE",Blockly.Lua.ORDER_OR)||"nil";return[b+" and "+c+" or "+a,Blockly.Lua.ORDER_OR]};Blockly.Lua.loops={};Blockly.Lua.CONTINUE_STATEMENT="goto continue\n";Blockly.Lua.addContinueLabel_=function(a){return-1!=a.indexOf(Blockly.Lua.CONTINUE_STATEMENT)?a+Blockly.Lua.INDENT+"::continue::\n":a};
-Blockly.Lua.controls_repeat_ext=function(a){var b=a.getField("TIMES")?String(Number(a.getFieldValue("TIMES"))):Blockly.Lua.valueToCode(a,"TIMES",Blockly.Lua.ORDER_NONE)||"0";b=Blockly.isNumber(b)?parseInt(b,10):"math.floor("+b+")";var c=Blockly.Lua.statementToCode(a,"DO");c=Blockly.Lua.addLoopTrap(c,a);c=Blockly.Lua.addContinueLabel_(c);return"for "+Blockly.Lua.variableDB_.getDistinctName("count",Blockly.VARIABLE_CATEGORY_NAME)+" = 1, "+b+" do\n"+c+"end\n"};Blockly.Lua.controls_repeat=Blockly.Lua.controls_repeat_ext;
-Blockly.Lua.controls_whileUntil=function(a){var b="UNTIL"==a.getFieldValue("MODE"),c=Blockly.Lua.valueToCode(a,"BOOL",b?Blockly.Lua.ORDER_UNARY:Blockly.Lua.ORDER_NONE)||"false",d=Blockly.Lua.statementToCode(a,"DO");d=Blockly.Lua.addLoopTrap(d,a);d=Blockly.Lua.addContinueLabel_(d);b&&(c="not "+c);return"while "+c+" do\n"+d+"end\n"};
-Blockly.Lua.controls_for=function(a){var b=Blockly.Lua.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME),c=Blockly.Lua.valueToCode(a,"FROM",Blockly.Lua.ORDER_NONE)||"0",d=Blockly.Lua.valueToCode(a,"TO",Blockly.Lua.ORDER_NONE)||"0",e=Blockly.Lua.valueToCode(a,"BY",Blockly.Lua.ORDER_NONE)||"1",f=Blockly.Lua.statementToCode(a,"DO");f=Blockly.Lua.addLoopTrap(f,a);f=Blockly.Lua.addContinueLabel_(f);a="";if(Blockly.isNumber(c)&&Blockly.isNumber(d)&&Blockly.isNumber(e))var g=(Number(c)<=
-Number(d)?"":"-")+Math.abs(Number(e));else a="",g=Blockly.Lua.variableDB_.getDistinctName(b+"_inc",Blockly.VARIABLE_CATEGORY_NAME),a+=g+" = ",a=Blockly.isNumber(e)?a+(Math.abs(e)+"\n"):a+("math.abs("+e+")\n"),a=a+("if ("+c+") > ("+d+") then\n")+(Blockly.Lua.INDENT+g+" = -"+g+"\n"),a+="end\n";return a+("for "+b+" = "+c+", "+d+", "+g)+(" do\n"+f+"end\n")};
-Blockly.Lua.controls_forEach=function(a){var b=Blockly.Lua.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME),c=Blockly.Lua.valueToCode(a,"LIST",Blockly.Lua.ORDER_NONE)||"{}",d=Blockly.Lua.statementToCode(a,"DO");d=Blockly.Lua.addLoopTrap(d,a);d=Blockly.Lua.addContinueLabel_(d);return"for _, "+b+" in ipairs("+c+") do \n"+d+"end\n"};
-Blockly.Lua.controls_flow_statements=function(a){var b="";Blockly.Lua.STATEMENT_PREFIX&&(b+=Blockly.Lua.injectId(Blockly.Lua.STATEMENT_PREFIX,a));Blockly.Lua.STATEMENT_SUFFIX&&(b+=Blockly.Lua.injectId(Blockly.Lua.STATEMENT_SUFFIX,a));if(Blockly.Lua.STATEMENT_PREFIX){var c=Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN.getSurroundLoop(a);c&&!c.suppressPrefixSuffix&&(b+=Blockly.Lua.injectId(Blockly.Lua.STATEMENT_PREFIX,c))}switch(a.getFieldValue("FLOW")){case "BREAK":return b+"break\n";case "CONTINUE":return b+
-Blockly.Lua.CONTINUE_STATEMENT}throw Error("Unknown flow statement.");};Blockly.Lua.math={};Blockly.Lua.math_number=function(a){a=Number(a.getFieldValue("NUM"));return[a,0>a?Blockly.Lua.ORDER_UNARY:Blockly.Lua.ORDER_ATOMIC]};
-Blockly.Lua.math_arithmetic=function(a){var b={ADD:[" + ",Blockly.Lua.ORDER_ADDITIVE],MINUS:[" - ",Blockly.Lua.ORDER_ADDITIVE],MULTIPLY:[" * ",Blockly.Lua.ORDER_MULTIPLICATIVE],DIVIDE:[" / ",Blockly.Lua.ORDER_MULTIPLICATIVE],POWER:[" ^ ",Blockly.Lua.ORDER_EXPONENTIATION]}[a.getFieldValue("OP")],c=b[0];b=b[1];var d=Blockly.Lua.valueToCode(a,"A",b)||"0";a=Blockly.Lua.valueToCode(a,"B",b)||"0";return[d+c+a,b]};
-Blockly.Lua.math_single=function(a){var b=a.getFieldValue("OP");if("NEG"==b)return a=Blockly.Lua.valueToCode(a,"NUM",Blockly.Lua.ORDER_UNARY)||"0",["-"+a,Blockly.Lua.ORDER_UNARY];if("POW10"==b)return a=Blockly.Lua.valueToCode(a,"NUM",Blockly.Lua.ORDER_EXPONENTIATION)||"0",["10 ^ "+a,Blockly.Lua.ORDER_EXPONENTIATION];a="ROUND"==b?Blockly.Lua.valueToCode(a,"NUM",Blockly.Lua.ORDER_ADDITIVE)||"0":Blockly.Lua.valueToCode(a,"NUM",Blockly.Lua.ORDER_NONE)||"0";switch(b){case "ABS":b="math.abs("+a+")";break;
-case "ROOT":b="math.sqrt("+a+")";break;case "LN":b="math.log("+a+")";break;case "LOG10":b="math.log("+a+", 10)";break;case "EXP":b="math.exp("+a+")";break;case "ROUND":b="math.floor("+a+" + .5)";break;case "ROUNDUP":b="math.ceil("+a+")";break;case "ROUNDDOWN":b="math.floor("+a+")";break;case "SIN":b="math.sin(math.rad("+a+"))";break;case "COS":b="math.cos(math.rad("+a+"))";break;case "TAN":b="math.tan(math.rad("+a+"))";break;case "ASIN":b="math.deg(math.asin("+a+"))";break;case "ACOS":b="math.deg(math.acos("+
-a+"))";break;case "ATAN":b="math.deg(math.atan("+a+"))";break;default:throw Error("Unknown math operator: "+b);}return[b,Blockly.Lua.ORDER_HIGH]};Blockly.Lua.math_constant=function(a){return{PI:["math.pi",Blockly.Lua.ORDER_HIGH],E:["math.exp(1)",Blockly.Lua.ORDER_HIGH],GOLDEN_RATIO:["(1 + math.sqrt(5)) / 2",Blockly.Lua.ORDER_MULTIPLICATIVE],SQRT2:["math.sqrt(2)",Blockly.Lua.ORDER_HIGH],SQRT1_2:["math.sqrt(1 / 2)",Blockly.Lua.ORDER_HIGH],INFINITY:["math.huge",Blockly.Lua.ORDER_HIGH]}[a.getFieldValue("CONSTANT")]};
-Blockly.Lua.math_number_property=function(a){var b=Blockly.Lua.valueToCode(a,"NUMBER_TO_CHECK",Blockly.Lua.ORDER_MULTIPLICATIVE)||"0",c=a.getFieldValue("PROPERTY");if("PRIME"==c)return[Blockly.Lua.provideFunction_("math_isPrime",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(n)","  -- https://en.wikipedia.org/wiki/Primality_test#Naive_methods","  if n == 2 or n == 3 then","    return true","  end","  -- False if n is NaN, negative, is 1, or not whole.","  -- And false if n is divisible by 2 or 3.",
-"  if not(n > 1) or n % 1 ~= 0 or n % 2 == 0 or n % 3 == 0 then","    return false","  end","  -- Check all the numbers of form 6k +/- 1, up to sqrt(n).","  for x = 6, math.sqrt(n) + 1.5, 6 do","    if n % (x - 1) == 0 or n % (x + 1) == 0 then","      return false","    end","  end","  return true","end"])+"("+b+")",Blockly.Lua.ORDER_HIGH];switch(c){case "EVEN":var d=b+" % 2 == 0";break;case "ODD":d=b+" % 2 == 1";break;case "WHOLE":d=b+" % 1 == 0";break;case "POSITIVE":d=b+" > 0";break;case "NEGATIVE":d=
-b+" < 0";break;case "DIVISIBLE_BY":a=Blockly.Lua.valueToCode(a,"DIVISOR",Blockly.Lua.ORDER_MULTIPLICATIVE);if(!a||"0"==a)return["nil",Blockly.Lua.ORDER_ATOMIC];d=b+" % "+a+" == 0"}return[d,Blockly.Lua.ORDER_RELATIONAL]};Blockly.Lua.math_change=function(a){var b=Blockly.Lua.valueToCode(a,"DELTA",Blockly.Lua.ORDER_ADDITIVE)||"0";a=Blockly.Lua.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME);return a+" = "+a+" + "+b+"\n"};Blockly.Lua.math_round=Blockly.Lua.math_single;
-Blockly.Lua.math_trig=Blockly.Lua.math_single;
-Blockly.Lua.math_on_list=function(a){function b(){return Blockly.Lua.provideFunction_("math_sum",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t)","  local result = 0","  for _, v in ipairs(t) do","    result = result + v","  end","  return result","end"])}var c=a.getFieldValue("OP");a=Blockly.Lua.valueToCode(a,"LIST",Blockly.Lua.ORDER_NONE)||"{}";switch(c){case "SUM":c=b();break;case "MIN":c=Blockly.Lua.provideFunction_("math_min",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t)",
-"  if #t == 0 then","    return 0","  end","  local result = math.huge","  for _, v in ipairs(t) do","    if v < result then","      result = v","    end","  end","  return result","end"]);break;case "AVERAGE":c=Blockly.Lua.provideFunction_("math_average",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t)","  if #t == 0 then","    return 0","  end","  return "+b()+"(t) / #t","end"]);break;case "MAX":c=Blockly.Lua.provideFunction_("math_max",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+
-"(t)","  if #t == 0 then","    return 0","  end","  local result = -math.huge","  for _, v in ipairs(t) do","    if v > result then","      result = v","    end","  end","  return result","end"]);break;case "MEDIAN":c=Blockly.Lua.provideFunction_("math_median",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t)","  -- Source: http://lua-users.org/wiki/SimpleStats","  if #t == 0 then","    return 0","  end","  local temp={}","  for _, v in ipairs(t) do",'    if type(v) == "number" then',"      table.insert(temp, v)",
-"    end","  end","  table.sort(temp)","  if #temp % 2 == 0 then","    return (temp[#temp/2] + temp[(#temp/2)+1]) / 2","  else","    return temp[math.ceil(#temp/2)]","  end","end"]);break;case "MODE":c=Blockly.Lua.provideFunction_("math_modes",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t)","  -- Source: http://lua-users.org/wiki/SimpleStats","  local counts={}","  for _, v in ipairs(t) do","    if counts[v] == nil then","      counts[v] = 1","    else","      counts[v] = counts[v] + 1",
-"    end","  end","  local biggestCount = 0","  for _, v  in pairs(counts) do","    if v > biggestCount then","      biggestCount = v","    end","  end","  local temp={}","  for k, v in pairs(counts) do","    if v == biggestCount then","      table.insert(temp, k)","    end","  end","  return temp","end"]);break;case "STD_DEV":c=Blockly.Lua.provideFunction_("math_standard_deviation",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t)","  local m","  local vm","  local total = 0","  local count = 0",
-"  local result","  m = #t == 0 and 0 or "+b()+"(t) / #t","  for _, v in ipairs(t) do","    if type(v) == 'number' then","      vm = v - m","      total = total + (vm * vm)","      count = count + 1","    end","  end","  result = math.sqrt(total / (count-1))","  return result","end"]);break;case "RANDOM":c=Blockly.Lua.provideFunction_("math_random_list",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(t)","  if #t == 0 then","    return nil","  end","  return t[math.random(#t)]","end"]);break;
-default:throw Error("Unknown operator: "+c);}return[c+"("+a+")",Blockly.Lua.ORDER_HIGH]};Blockly.Lua.math_modulo=function(a){var b=Blockly.Lua.valueToCode(a,"DIVIDEND",Blockly.Lua.ORDER_MULTIPLICATIVE)||"0";a=Blockly.Lua.valueToCode(a,"DIVISOR",Blockly.Lua.ORDER_MULTIPLICATIVE)||"0";return[b+" % "+a,Blockly.Lua.ORDER_MULTIPLICATIVE]};
-Blockly.Lua.math_constrain=function(a){var b=Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_NONE)||"0",c=Blockly.Lua.valueToCode(a,"LOW",Blockly.Lua.ORDER_NONE)||"-math.huge";a=Blockly.Lua.valueToCode(a,"HIGH",Blockly.Lua.ORDER_NONE)||"math.huge";return["math.min(math.max("+b+", "+c+"), "+a+")",Blockly.Lua.ORDER_HIGH]};
-Blockly.Lua.math_random_int=function(a){var b=Blockly.Lua.valueToCode(a,"FROM",Blockly.Lua.ORDER_NONE)||"0";a=Blockly.Lua.valueToCode(a,"TO",Blockly.Lua.ORDER_NONE)||"0";return["math.random("+b+", "+a+")",Blockly.Lua.ORDER_HIGH]};Blockly.Lua.math_random_float=function(a){return["math.random()",Blockly.Lua.ORDER_HIGH]};
-Blockly.Lua.math_atan2=function(a){var b=Blockly.Lua.valueToCode(a,"X",Blockly.Lua.ORDER_NONE)||"0";return["math.deg(math.atan2("+(Blockly.Lua.valueToCode(a,"Y",Blockly.Lua.ORDER_NONE)||"0")+", "+b+"))",Blockly.Lua.ORDER_HIGH]};Blockly.Lua.procedures={};
-Blockly.Lua.procedures_defreturn=function(a){var b=Blockly.Lua.variableDB_.getName(a.getFieldValue("NAME"),Blockly.PROCEDURE_CATEGORY_NAME),c="";Blockly.Lua.STATEMENT_PREFIX&&(c+=Blockly.Lua.injectId(Blockly.Lua.STATEMENT_PREFIX,a));Blockly.Lua.STATEMENT_SUFFIX&&(c+=Blockly.Lua.injectId(Blockly.Lua.STATEMENT_SUFFIX,a));c&&(c=Blockly.Lua.prefixLines(c,Blockly.Lua.INDENT));var d="";Blockly.Lua.INFINITE_LOOP_TRAP&&(d=Blockly.Lua.prefixLines(Blockly.Lua.injectId(Blockly.Lua.INFINITE_LOOP_TRAP,a),Blockly.Lua.INDENT));
-var e=Blockly.Lua.statementToCode(a,"STACK"),f=Blockly.Lua.valueToCode(a,"RETURN",Blockly.Lua.ORDER_NONE)||"",g="";e&&f&&(g=c);f?f=Blockly.Lua.INDENT+"return "+f+"\n":e||(e="");for(var h=[],l=a.getVars(),k=0;k<l.length;k++)h[k]=Blockly.Lua.variableDB_.getName(l[k],Blockly.VARIABLE_CATEGORY_NAME);c="function "+b+"("+h.join(", ")+")\n"+c+d+e+g+f+"end\n";c=Blockly.Lua.scrub_(a,c);Blockly.Lua.definitions_["%"+b]=c;return null};Blockly.Lua.procedures_defnoreturn=Blockly.Lua.procedures_defreturn;
-Blockly.Lua.procedures_callreturn=function(a){for(var b=Blockly.Lua.variableDB_.getName(a.getFieldValue("NAME"),Blockly.PROCEDURE_CATEGORY_NAME),c=[],d=a.getVars(),e=0;e<d.length;e++)c[e]=Blockly.Lua.valueToCode(a,"ARG"+e,Blockly.Lua.ORDER_NONE)||"nil";return[b+"("+c.join(", ")+")",Blockly.Lua.ORDER_HIGH]};Blockly.Lua.procedures_callnoreturn=function(a){return Blockly.Lua.procedures_callreturn(a)[0]+"\n"};
-Blockly.Lua.procedures_ifreturn=function(a){var b="if "+(Blockly.Lua.valueToCode(a,"CONDITION",Blockly.Lua.ORDER_NONE)||"false")+" then\n";Blockly.Lua.STATEMENT_SUFFIX&&(b+=Blockly.Lua.prefixLines(Blockly.Lua.injectId(Blockly.Lua.STATEMENT_SUFFIX,a),Blockly.Lua.INDENT));a.hasReturnValue_?(a=Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_NONE)||"nil",b+=Blockly.Lua.INDENT+"return "+a+"\n"):b+=Blockly.Lua.INDENT+"return\n";return b+"end\n"};Blockly.Lua.texts={};Blockly.Lua.text=function(a){return[Blockly.Lua.quote_(a.getFieldValue("TEXT")),Blockly.Lua.ORDER_ATOMIC]};Blockly.Lua.text_multiline=function(a){return[Blockly.Lua.multiline_quote_(a.getFieldValue("TEXT")),Blockly.Lua.ORDER_ATOMIC]};
-Blockly.Lua.text_join=function(a){if(0==a.itemCount_)return["''",Blockly.Lua.ORDER_ATOMIC];if(1==a.itemCount_)return["tostring("+(Blockly.Lua.valueToCode(a,"ADD0",Blockly.Lua.ORDER_NONE)||"''")+")",Blockly.Lua.ORDER_HIGH];if(2==a.itemCount_){var b=Blockly.Lua.valueToCode(a,"ADD0",Blockly.Lua.ORDER_CONCATENATION)||"''";a=Blockly.Lua.valueToCode(a,"ADD1",Blockly.Lua.ORDER_CONCATENATION)||"''";return[b+" .. "+a,Blockly.Lua.ORDER_CONCATENATION]}b=[];for(var c=0;c<a.itemCount_;c++)b[c]=Blockly.Lua.valueToCode(a,
-"ADD"+c,Blockly.Lua.ORDER_NONE)||"''";a="table.concat({"+b.join(", ")+"})";return[a,Blockly.Lua.ORDER_HIGH]};Blockly.Lua.text_append=function(a){var b=Blockly.Lua.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME);a=Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_CONCATENATION)||"''";return b+" = "+b+" .. "+a+"\n"};Blockly.Lua.text_length=function(a){return["#"+(Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_UNARY)||"''"),Blockly.Lua.ORDER_UNARY]};
-Blockly.Lua.text_isEmpty=function(a){return["#"+(Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_UNARY)||"''")+" == 0",Blockly.Lua.ORDER_RELATIONAL]};
-Blockly.Lua.text_indexOf=function(a){var b=Blockly.Lua.valueToCode(a,"FIND",Blockly.Lua.ORDER_NONE)||"''",c=Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_NONE)||"''";return[("FIRST"==a.getFieldValue("END")?Blockly.Lua.provideFunction_("firstIndexOf",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(str, substr) ","  local i = string.find(str, substr, 1, true)","  if i == nil then","    return 0","  else","    return i","  end","end"]):Blockly.Lua.provideFunction_("lastIndexOf",["function "+
-Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(str, substr)","  local i = string.find(string.reverse(str), string.reverse(substr), 1, true)","  if i then","    return #str + 2 - i - #substr","  end","  return 0","end"]))+"("+c+", "+b+")",Blockly.Lua.ORDER_HIGH]};
-Blockly.Lua.text_charAt=function(a){var b=a.getFieldValue("WHERE")||"FROM_START",c=Blockly.Lua.valueToCode(a,"AT","FROM_END"==b?Blockly.Lua.ORDER_UNARY:Blockly.Lua.ORDER_NONE)||"1";a=Blockly.Lua.valueToCode(a,"VALUE",Blockly.Lua.ORDER_NONE)||"''";if("RANDOM"==b)b=Blockly.Lua.provideFunction_("text_random_letter",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(str)","  local index = math.random(string.len(str))","  return string.sub(str, index, index)","end"]),a=b+"("+a+")";else{if("FIRST"==
-b)c="1";else if("LAST"==b)c="-1";else if("FROM_START"!=b)if("FROM_END"==b)c="-"+c;else throw Error("Unhandled option (text_charAt).");c.match(/^-?\w*$/)?a="string.sub("+a+", "+c+", "+c+")":(b=Blockly.Lua.provideFunction_("text_char_at",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(str, index)","  return string.sub(str, index, index)","end"]),a=b+"("+a+", "+c+")")}return[a,Blockly.Lua.ORDER_HIGH]};
-Blockly.Lua.text_getSubstring=function(a){var b=Blockly.Lua.valueToCode(a,"STRING",Blockly.Lua.ORDER_NONE)||"''",c=a.getFieldValue("WHERE1"),d=Blockly.Lua.valueToCode(a,"AT1","FROM_END"==c?Blockly.Lua.ORDER_UNARY:Blockly.Lua.ORDER_NONE)||"1";if("FIRST"==c)c=1;else if("FROM_START"==c)c=d;else if("FROM_END"==c)c="-"+d;else throw Error("Unhandled option (text_getSubstring)");d=a.getFieldValue("WHERE2");a=Blockly.Lua.valueToCode(a,"AT2","FROM_END"==d?Blockly.Lua.ORDER_UNARY:Blockly.Lua.ORDER_NONE)||"1";
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-Blockly.Lua.text_changeCase=function(a){var b=a.getFieldValue("CASE");a=Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_NONE)||"''";if("UPPERCASE"==b)var c="string.upper";else"LOWERCASE"==b?c="string.lower":"TITLECASE"==b&&(c=Blockly.Lua.provideFunction_("text_titlecase",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(str)","  local buf = {}","  local inWord = false","  for i = 1, #str do","    local c = string.sub(str, i, i)","    if inWord then","      table.insert(buf, string.lower(c))",
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-Blockly.Lua.text_print=function(a){return"print("+(Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_NONE)||"''")+")\n"};
-Blockly.Lua.text_prompt_ext=function(a){var b=a.getField("TEXT")?Blockly.Lua.quote_(a.getFieldValue("TEXT")):Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_NONE)||"''";b=Blockly.Lua.provideFunction_("text_prompt",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(msg)","  io.write(msg)","  io.flush()","  return io.read()","end"])+"("+b+")";"NUMBER"==a.getFieldValue("TYPE")&&(b="tonumber("+b+", 10)");return[b,Blockly.Lua.ORDER_HIGH]};Blockly.Lua.text_prompt=Blockly.Lua.text_prompt_ext;
-Blockly.Lua.text_count=function(a){var b=Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_NONE)||"''";a=Blockly.Lua.valueToCode(a,"SUB",Blockly.Lua.ORDER_NONE)||"''";return[Blockly.Lua.provideFunction_("text_count",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(haystack, needle)","  if #needle == 0 then","    return #haystack + 1","  end","  local i = 1","  local count = 0","  while true do","    i = string.find(haystack, needle, i, true)","    if i == nil then","      break","    end","    count = count + 1",
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-Blockly.Lua.text_replace=function(a){var b=Blockly.Lua.valueToCode(a,"TEXT",Blockly.Lua.ORDER_NONE)||"''",c=Blockly.Lua.valueToCode(a,"FROM",Blockly.Lua.ORDER_NONE)||"''";a=Blockly.Lua.valueToCode(a,"TO",Blockly.Lua.ORDER_NONE)||"''";return[Blockly.Lua.provideFunction_("text_replace",["function "+Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_+"(haystack, needle, replacement)","  local buf = {}","  local i = 1","  while i <= #haystack do","    if string.sub(haystack, i, i + #needle - 1) == needle then","      for j = 1, #replacement do",
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-return Blockly.Lua;
-}));
-
-
-//# sourceMappingURL=lua_compressed.js.map
diff --git a/lua_compressed.js.map b/lua_compressed.js.map
deleted file mode 100644
index b8fd84e7af1..00000000000
--- a/lua_compressed.js.map
+++ /dev/null
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\ No newline at end of file
diff --git a/media/delete-icon.svg b/media/delete-icon.svg
new file mode 100644
index 00000000000..1bd27ee735a
--- /dev/null
+++ b/media/delete-icon.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 -960 960 960" width="24" fill="#041E49"><path d="M280-120q-33 0-56.5-23.5T200-200v-520h-40v-80h200v-40h240v40h200v80h-40v520q0 33-23.5 56.5T680-120H280Zm400-600H280v520h400v-520ZM360-280h80v-360h-80v360Zm160 0h80v-360h-80v360ZM280-720v520-520Z"/></svg>
\ No newline at end of file
diff --git a/media/foldout-icon.svg b/media/foldout-icon.svg
new file mode 100644
index 00000000000..7aeb5b17427
--- /dev/null
+++ b/media/foldout-icon.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 -960 960 960" width="24" fill="#041E49"><path d="M480-360 280-560h400L480-360Z"/></svg>
\ No newline at end of file
diff --git a/media/resize-handle.svg b/media/resize-handle.svg
new file mode 100644
index 00000000000..b46f177abb3
--- /dev/null
+++ b/media/resize-handle.svg
@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="8" viewBox="0 0 8 8" width="8" fill="#041E49" stroke="#000">
+<g><line x1="2.67" y1="7" x2="7" y2="2.67"></line><line x1="5.33" y1="7" x2="7" y2="5.33"></line></g>
+</svg>
diff --git a/msg/js/ab.js b/msg/js/ab.js
deleted file mode 100644
index c0e9d01fde8..00000000000
--- a/msg/js/ab.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Иацҵатәуп ахцәажәара";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Ишәыҧсах аҵакы";
-Blockly.Msg["CLEAN_UP"] = "Иқәгатәуп аблокқәа";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Иеикәрҳәтәуп Аблокқәа";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Иеикәрҳәтәуп Аблокқәа";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "аҧштәы 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "аҧштәы 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "аҧштәы 1 ахәҭа";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "еилаҵатәуп";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Blends two colours together with a given ratio (0.0 - 1.0).";  // untranslated
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://ru.wikipedia.org/wiki/Аҧштәы";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Иалышәх аҧштәы";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "иарбанзаалакь аҧштәы";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Иалнахуеит аҧштәы машәыршақә";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "жәҩангәҧштәы";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "аиаҵәа";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "аҟаҧшь";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "аҧштәы аҟынтәи";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Create a colour with the specified amount of red, green, and blue. All values must be between 0 and 100.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "ацикл иҭыҵтәуп";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "ииастәуп ацикл анаҩстәи ашьаҿахьы";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Иааннакылоит абри ацикл.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Агәҽанҵара:Ари аблок ахархәара амоуп ацикл аҩныҵҟа мацара.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "for each item %1 in list %2";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For each item in a list, set the variable '%1' to the item, and then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "ацикл %1 ала %2 инаркны %3 рҟынӡа ашьаҿа %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Иацнаҵоит аҭагыазаашьа аблок \"акәзар\" ахь";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "акәымзар";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "акәымзар";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "акәзар";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Аҭагылазаашьа иашазар, инанагӡоит акомандақәа.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Аҭагылазаашьа иашазар, инанагӡоит актәи аблок акомандақәа. Акәымзар инанагӡоит аҩбатәи аблок акомандақәа.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://ru.wikipedia.org/wiki/Ацикл_(апрограммаркра)";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "инагӡатәуп";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "инагӡалатәуп %1 - нтә";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Инанагӡоит акомандақәа кырынтә";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "инагӡалатәуп акәымзар";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "инагӡалатәуп акәзар";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Аҭагылазаашьа мцнаҵы, инанагӡалоит акомандақәа.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Аҭагылазаашьа иашанаҵ, инанагӡалоит акомандақәа.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Ианыхтәуп аблокқәа (%1) зегьы?";
-Blockly.Msg["DELETE_BLOCK"] = "Ианыхтәуп аблок";
-Blockly.Msg["DELETE_VARIABLE"] = "Ианыхтәуп аҽеиҭак '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "Ианыхтәуп %1 блокк";
-Blockly.Msg["DISABLE_BLOCK"] = "Иаҿыхтәуп Аблок";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Акопиа ахыхтәуп";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Иаҿыхтәуп Аблокқәа";
-Blockly.Msg["EXPAND_ALL"] = "Иаарҧштәуп Аблокқәа";
-Blockly.Msg["EXPAND_BLOCK"] = "Иаарҧштәуп Аблокқәа";
-Blockly.Msg["EXTERNAL_INPUTS"] = "External Inputs";  // untranslated
-Blockly.Msg["HELP"] = "Ацхыраара";
-Blockly.Msg["INLINE_INPUTS"] = "Inline Inputs";  // untranslated
-Blockly.Msg["IOS_CANCEL"] = "Аҟәыхра";
-Blockly.Msg["IOS_ERROR"] = "Агха";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Иацҵатәуп аҭагаларатә ҽеиҭак";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Аоператорқәа азин рыҭара";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "Аҭаларҭа";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Иацҵатәуп";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Иацҵатәуп аҽеиҭак";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Ианыхтәуп";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Шәара ишәылшом аҽеиҭак азы иҭацәу ахьӡ ахархәара";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Ахьӡ аҧсахра";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Аҽеиҭак ахьӡ";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "иаҧцатәуп иҭацәу ахьӡынҵа";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "ахьӡынҵа";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "иаҧҵатәуп ахьӡынҵа аҟынтәи";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Иацнаҵоит аелемент ахьӡынҵахьы";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "актәи";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "№ анҵәамнҭа аҟынтәи";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "игатәуп";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "иалхны ианыхтәуп";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "аҵыхәтәантәи";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "иарбанзаалакь";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "ианыхтәуп";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Иҳанаҭоит ахьӡынҵа актәи аелемент.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Иҳанаҭоит ахьӡынҵа аҵыхәтәантәи аелемент.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Иҳанаҭоит ахьӡынҵа иарбанзаалакь елементк.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Ианнахәуеит ахьӡынҵа актәи аелемент.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Ианнахәуеит ахьӡынҵа аҵыхәтәантәи аелемент.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Ианнахәуеит ахьӡынҵа иарбанзаалакь елементк.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "№ ала";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 - аҵыхәтәантәи аелемент.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 - актәи аелемент.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "ахьӡынҵа аҟны";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 ҭацәуп";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Иҳанаҭоит аиаша, ахьӡынҵа ҭацәызар.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "аура %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Иҳанаҭоит ахьӡынҵа аура.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "=";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "ибжьаргылатәуп";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "иаҭатәуп";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Иацнаҵоит аелемент ахьӡынҵа анҵәамҭахь.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "еиҵоу-еиҳауала";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "еиҳау-еиҵоуала";
-Blockly.Msg["LISTS_SORT_TITLE"] = "еилыҧшаатәуп %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Еилыҧшаатәуп ахьӡынҵа акопиа.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "ахыҧхьаӡаратәи";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "алфавитла";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "еизгатәуп атеқст ахьӡынҵа аҟынтәи";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "амц";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Иҳанаҭоит аҵакы аиаша ма амц";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "аиаша";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://ru.wikipedia.org/wiki/Аиҟарамра";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Иҳанаҭоит иҵоуроу аҵакы, иҭагалақәоу еиҟаразар.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Иҳанаҭоит аҵакы аиаша, актәи иҭагалоу аҩбатәи аасҭа еиҳазар.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Иҳанаҭоит аҵакы аиаша, актәи иҭагалоу аҩбатәи аасҭа еиҳазар ма иаҟаразар.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Иҳанаҭоит иҵоуроу аҵакы, актәи иҭагалоу аҩбатәи аасҭа еиҵазар.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Иҳанаҭоит аҵакы аиаша, актәи иҭагалоу аҩбатәи аасҭа еиҵазар ма иаҟаразар.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Иҳанаҭоит иҵоуроу аҵакы, иҭагалақәоу еиҟарамзар.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "%1 акәӡам";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Иҳанаҭоит аҵакы аиаша, иҭагалоу мцызар. Иҳанаҭоит аҵакы амц, иҭагалоу иашазар.";
-Blockly.Msg["LOGIC_NULL"] = "акагьы";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Иҳанаҭоит акагьы";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "и";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ма";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Иҳанаҭоит аҵакы аиаша, иҭагалоу аҩбагьы иашазар.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Иҳанаҭоит аҵакы аиаша, иҭагалоу руак иашазар.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "иалхтәуп ала";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "амц акәзар";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "аиаша акәзар";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://ru.wikipedia.org/wiki/Арифметика";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Иҳанаҭоит ҩ-хыҧхьаӡарак реицҵалыҵ.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Иҳанаҭоит ҩ-хыҧхьаӡарак ршалыҵ.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Иҳанаҭоит ҩ-хыҧхьаӡарак реигырхалыҵ.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Иҳанаҭоит ҩ-хыҧхьаӡарак рышьҭыхлыҵ.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "иеизырҳатәуп %1 %2 рыла";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Иацнаҵоит ахыҧхьаӡара аҽеиҭак'%1' ахь.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://ru.wikipedia.org/wiki/Аматематикатә_константа";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Иҳанаҭооит аконстантақәа руак: π (3.141...), e (2.718...), φ (1.618...), sqrt(2) (1.414...), sqrt(½) (0.707...) ма ∞ (аҵыхәаҧҵәарадара).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "ишоит ала";
-Blockly.Msg["MATH_IS_EVEN"] = "еиҩшо";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "иҵоурам";
-Blockly.Msg["MATH_IS_ODD"] = "еиҩымшо";
-Blockly.Msg["MATH_IS_POSITIVE"] = "иҵоуроу";
-Blockly.Msg["MATH_IS_PRIME"] = "имариоу";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "аибга";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://ru.wikipedia.org/wiki/Ашара_цәынхала";
-Blockly.Msg["MATH_MODULO_TITLE"] = "ацәынха %1 : %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Иҳанаҭоит ацәынха ҩ-хыҧхьаӡарак ршараан.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://ru.wikipedia.org/wiki/Ахыҧхьаӡара";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Ахыҧхьаӡара.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "ахьӡынҵа арифметикатә бжьара";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "ахьӡынҵа аҟны иреиҳау";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "ахьӡынҵа амедиана";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "ахьӡынҵа аҟны иреиҵо";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "ахьӡынҵа амода";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "ахьӡынҵа иарбанзаалакь аелемент";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "ахьӡынҵа аицҵалыҵ";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Иҳанаҭоит ахьӡынҵа аҟны ахыҧхьаӡарақәа зегьы рарифметикатә бжьара.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Иҳанаҭоит ахьӡынҵа аҟны иреиҳау ахыҧхьаӡара.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Иҳанаҭоит ахьӡынҵа аҟны ахыҧхьаӡарақәа зегьы рмедиана.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Иҳанаҭоит ахьӡынҵа аҟны иреицо ахыҧхьаӡара.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Иҳанаҭоит ахьӡынҵа аҟны иарбанзаалакь елементк.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Иҳанаҭоит ахьӡынҵа иаҵанакуа ахыҧхьаӡарақәа зегьы реицҵалыҵ.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "иарбанзаалакь ахыҧхьашара 0 инаркны (иалаҵаны)  1 аҟынӡа";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Иҳанаҭоит иарбанзаалакь ахыҧхьаӡара 0.0 инаркны (иалаҵаны) 1.0 аҟынӡа.";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "иарбанзаалакь еибгоу ахыҧхьаӡара %1 инаркны %2 нӡа";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://ru.wikipedia.org/wiki/Ахыркәшара";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "ихыркәшатәуп";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "ихыркәшатәуп еиҵоу ахь";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "ихыркәшатәуп еиҳау ахь";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "амодуль";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "square root";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Иҳанаҭоит ахыҧхьаӡара амодуль.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Иҳанаҭоит ахыҧхьаӡара иҧсабаратәу алагорифм.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Иҳанаҭоит ахыҧхьаӡара ажәабатә логари̓фм";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Иҳанаҭоит иаҿагыло ахыҧхьаӡара.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";  // untranslated
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://ru.wikipedia.org/wiki/Атригонометриатә_функциақәа";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Иҳанаҭоит арккосинус градусла.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Иҳанаҭоит арксинус градусла.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Иҳанаҭоит арктангенс градусла.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Иҳанаҭоит акосинус градусла.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Иҳанаҭоит асинус градусла.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Иҳанаҭоит атангенс градусла.";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Иаҧҵатәуп аҽеиҭак";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Аҽеиҭак ахьӡ ҿыц:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "Аоператорқәа азин рыҭара";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "аҟынтәи:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://ru.wikipedia.org/wiki/Ацхыраагӡатә программа";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://ru.wikipedia.org/wiki/Ацхыраагӡатә программа";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "аҟынтәи:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Иаҧҵатәуп ааҧхьара'%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Абри афункциа ахҳәа азыҟашәҵа...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "иҟаҵатәуп џьара акы";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "азы";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Иаҧнаҵоит апроцедура, аҵакы ҳазымҭо.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "ирхынҳәтәуп";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Иаҧнаҵоит апроцедура, аҵакы ҳазҭо.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Актәи аҵакы иашазар, иҳанаҭоит аҩбатәи аҵакы.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Агәаҽанҵара: Ари аблок ахархәара ауеит афункциа аҧҵара аҟны.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "апараметр ахьӡ:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "апараметрқәа";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "Аиҭаҟаҵара";
-Blockly.Msg["REMOVE_COMMENT"] = "Ианыхтәуп ахцәажәара";
-Blockly.Msg["RENAME_VARIABLE"] = "Аҽеиҭак ахьӡ ҧсахтәуп";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Аҽеиҭакқәа'%1' зегь рыхьӡ ҧсахтәуп аҟны:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "%1 ахьы иацҵатәуп атеқст %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Иацҵатәуп атеқст аҽеиҭак «%1» ахь.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "игатәуп актәи анбан";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "игатәуп анбан № анҵәамҭа аҟынтәи";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "игатәуп анбан №";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "игатәуп аҵыхәтәантәи анбан";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "игатәуп иарбанзаалакь нбанк";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "атеқст %1 %2 аҟны";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Иҳанаҭоит анбан иарбоу апозициа аҟны";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Иацҵатәуп аелемент атеқст ахь.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "иеиҧшьтәуп";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "анбан № ала";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "аҵыхәтәантәи анбан ала";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "атеқст аҟны";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Иҳанаҭоит атеқст аҟны иарбоу ахәҭа.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "атеқст %1 %2 %3 аҟны";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 ҭацәуп";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Иҳанаҭоит аҵакы аиаша, иҟоу атеқст ҭацәызар.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "иаҧҵатәуп атеқст аҟынтәи";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "аура %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Иҳанаҭоит асимволқәа рхыҧхьаӡара (апробелқәа алаҵаны) иҟоу атеқст аҟны.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "икьыҧхьтәуп %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Иакьыҧхьуеит атеқст, ахыҧхьаӡара ма даҽа обиеқтк.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "иҧсахтәуп %1 %2 ала %3 аҟны";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://ru.wikipedia.org/wiki/Ацәаҳәатә_хкы";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Анбан, ажәа ма ацәаҳәа атеқст аҟны.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "Иахьа";
-Blockly.Msg["UNDO"] = "Иаҟәыхтәуп";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "аелемент";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Иаҧҵатәуп аблок \"иаҭатәуп\" %1 азы";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Иҳанаҭоит аҽеиҭак аҵакы.";
-Blockly.Msg["VARIABLES_SET"] = "иаҭатәуп %1 = %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Аҽеиҭак ахьӡ '%1' змоу ыҟоуп.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/ar.js b/msg/js/ar.js
deleted file mode 100644
index 9606ac5226d..00000000000
--- a/msg/js/ar.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "أضف تعليقًا";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "لايمكن حذف متغير \"%1\" بسبب انه جزء من الدالة \"%2\"";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "تغيير قيمة:";
-Blockly.Msg["CLEAN_UP"] = "ترتيب القطع";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "الكتل المطوية تحتوي على تحذيرات.";
-Blockly.Msg["COLLAPSE_ALL"] = "إخفاء القطع";
-Blockly.Msg["COLLAPSE_BLOCK"] = "إخفاء القطعة";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "اللون 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "اللون 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "نسبة";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "دمج";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "دمج لونين ببعضهما البعض بنسبة (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://ar.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "اختر لون من اللوحة.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "لون عشوائي";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "اختر لون بشكل عشوائي.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "أزرق";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "أخضر";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "أحمر";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "لون مع";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "إنشئ لون بالكمية المحددة من الأحمر, الأخضر والأزرق. بحيث يجب تكون كافة القيم بين 0 و 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "اخرج من الحلقة";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "استمر ابتداءا من التكرار التالي من الحلقة";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "اخرج من الحلقة الحالية.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "تخط ما تبقى من هذه الحلقة، واستمر ابتداءا من التكرار التالي.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "تحذير: يمكن استخدام هذه القطعة فقط داخل حلقة.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "لكل عنصر %1 في قائمة %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "لكل عنصر في قائمة ما، عين المتغير '%1' لهذا الغنصر، ومن ثم نفذ بعض الأوامر.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "عد بـ %1 من %2 إلى %3 بمعدل %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "اجعل المتغير  %1 يأخذ القيم من رقم البداية الى رقم النهاية، وقم بالعد داخل المجال المحدد، وطبق أوامر القطع المحددة.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "إضف شرطا إلى القطعة الشرطية \"إذا\".";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "أضف شرط \"نهاية، إجمع\" إلى القطعة الشرطية \"إذا\".";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "أضف, إزل, أو أعد ترتيب المقاطع لإعادة تكوين القطعة الشرطية \"إذا\".";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "والا";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "وإﻻ إذا";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "إذا";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "إذا كانت قيمة ما تساوي صحيح, إذن قم بتنفيذ أمر ما.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "إذا كانت قيمة ما تساوي \"صحيح\"، إذن قم بتنفيذ أول قطعة من الأوامر. والا ،قم بتنفيذ القطعة الثانية من الأوامر.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "إذا كانت القيمة الأولى تساوي \"صحيح\", إذن قم بتنفيذ القطعة الأولى من الأوامر. والا, إذا كانت القيمة الثانية تساوي \"صحيح\", قم بتنفيذ القطعة الثانية من الأوامر.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "إذا كانت القيمة الأولى تساوي \"صحيح\", إذن قم بتنفيذ القطعة الأولى من الأوامر. والا , إذا كانت القيمة الثانية تساوي \"صحيح\", قم بتنفيذ القطعة الثانية من الأوامر. إذا لم تكن هناك أي قيمة تساوي صحيح, قم بتنفيذ آخر قطعة من الأوامر.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "نفّذ";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "كرر  %1 مرات";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "نفّذ بعض الأوامر عدة مرات.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "اكرّر حتى";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "اكرّر طالما";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "بما ان القيمة خاطئة, نفّذ بعض الأوامر.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "بما ان القيمة صحيحة, نفّذ بعض الأوامر.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "حذف %1 قطعة؟";
-Blockly.Msg["DELETE_BLOCK"] = "احذف القطعة";
-Blockly.Msg["DELETE_VARIABLE"] = "حذف المتغير %1";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "حذف%1 1 استخدامات المتغير '%2'؟";
-Blockly.Msg["DELETE_X_BLOCKS"] = "احذف %1 قطع";
-Blockly.Msg["DISABLE_BLOCK"] = "عطّل القطعة";
-Blockly.Msg["DUPLICATE_BLOCK"] = "مكرر";
-Blockly.Msg["DUPLICATE_COMMENT"] = "تعليق مكرر";
-Blockly.Msg["ENABLE_BLOCK"] = "أعد تفعيل القطعة";
-Blockly.Msg["EXPAND_ALL"] = "وسٌّع القطع";
-Blockly.Msg["EXPAND_BLOCK"] = "وسٌّع القطعة";
-Blockly.Msg["EXTERNAL_INPUTS"] = "ادخال خارجي";
-Blockly.Msg["HELP"] = "مساعدة";
-Blockly.Msg["INLINE_INPUTS"] = "ادخال خطي";
-Blockly.Msg["IOS_CANCEL"] = "إلغاء";
-Blockly.Msg["IOS_ERROR"] = "خطأ";
-Blockly.Msg["IOS_OK"] = "أوافق";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+اضافة ادخال";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "العبارات المسموحة";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "هذه الدالة لها مدخلات مكررة.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "المدخلات";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "أضف";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+اضف متغير";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "احذف";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "لا يمكنك استخدام اسم متغير فارغ.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "أعد التسمية";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "اسم المتغير";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "إنشئ قائمة فارغة";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "تقوم بإرجاع قائمة، طولها 0, لا تحتوي على أية سجلات البيانات";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "قائمة";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "أضف, إزل, أو أعد ترتيب المقاطع لإعادة تكوين القطعة قائمة القطع التالية.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "أتشئ قائمة مع";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "أضف عنصرا إلى القائمة.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "أنشىء قائمة من أي عدد من العناصر.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "أول";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# من نهاية";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "احصل على";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "احصل على و ازل";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "أخير";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "عشوائي";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "ازل";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "يرجع العنصر الأول في قائمة ما.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "يقوم بإرجاع العنصر في الموضع المحدد في قائمة ما.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "يرجع العنصر الأخير في قائمة ما.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "يرجع عنصرا عشوائيا في قائمة.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "يزيل ويرجع العنصر الأول في قائمة.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "يزيل ويقوم بإرجاع العنصر في الموضع المحدد في قائمة ما.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "يزيل ويرجع العنصر الأخير في قائمة ما.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "يزيل و يرجع عنصرا عشوائيا في قائمة ما.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "يزيل العنصر الأول في قائمة ما.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "يزيل العنصر الموجود في الموضع المحدد في قائمة ما.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "يزيل العنصر الأخير في قائمة ما.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "يزيل عنصرا عشوائيا في قائمة ما.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "إلى # من نهاية";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "إلى #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "إلى الأخير";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "احصل على قائمة فرعية من الأول";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "احصل  على قائمة فرعية من # من نهاية";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "احصل على قائمة فرعية من #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "يقوم بإنشاء نسخة من الجزء المحدد من قائمة ما.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 هو العنصر الأخير.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 هو العنصر الأول.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "ابحث على على التواجد الأول للعنصر";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "ابحث على التواجد الأخير للعنصر";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "تقوم بإرجاع مؤشر التواجد  الأول/الأخير في القائمة.  تقوم بإرجاع %1 إذا لم يتم العثور على النص.";
-Blockly.Msg["LISTS_INLIST"] = "في قائمة";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 فارغ";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "يرجع \"صحيح\" إذا كانت القائمة فارغة.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "الطول من %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "تقوم بإرجاع طول قائمة.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "إنشئ قائمة مع العنصر  %1 %2 مرات";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "انشئ قائمة تتألف من القيمة المعطاة متكررة لعدد محدد من المرات.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "عكس %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "عكس نسخة من القائمة.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "مثل";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "أدخل في";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "تعيين";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "يقوم بإدراج هذا العنصر في بداية قائمة.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "يقوم بإدخال العنصر في الموضع المحدد في قائمة ما.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "ألصق هذا العنصر بنهاية قائمة.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "ادخل العنصر عشوائياً في القائمة.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "يحدد العنصر الأول في قائمة.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "يحدد العنصر في الموضع المحدد في قائمة ما.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "يحدد العنصر الأخير في قائمة.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "يحدد عنصرا عشوائيا في قائمة.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "تصاعديا";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "تنازليا";
-Blockly.Msg["LISTS_SORT_TITLE"] = "رتب %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "فرز نسخة من القائمة.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "أبجديا، وتجاهل الحالة";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "رقمي";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "أبجديًا";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "إعداد قائمة من النصوص";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "إعداد نص من القائمة";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "ضم قائمة النصوص في نص واحد، مفصولة بواسطة محدد.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "تقسيم النص إلى قائمة من النصوص، وكسر في كل محدد";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "مع محدد";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "خاطئ";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "يرجع صحيح أو خاطئ.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "صحيح";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "يرجع صحيح إذا كان كلا المدخلات مساوية بعضها البعض.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "يرجع صحيح إذا كان الإدخال الأول أكبر من الإدخال الثاني.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "يرجع صحيح إذا كان الإدخال الأول أكبر من أو يساوي الإدخال الثاني.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "يرجع صحيح إذا كان الإدخال الأول أصغر من الإدخال الثاني.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "يرجع صحيح إذا كان الإدخال الأول أصغر من أو يساوي الإدخال الثاني.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "يرجع صحيح إذا كانت كلا المدخلات غير مساوية لبعضها البعض.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ليس %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "يرجع صحيح إذا كان الإدخال خاطئ .  يرجع خاطئ إذا كان الإدخال صحيح.";
-Blockly.Msg["LOGIC_NULL"] = "فارغ";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "ترجع ملغى.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "و";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "أو";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "ترجع صحيح إذا كان كلا المٌدخلات صحيح.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "ترجع صحيح إذا كان واحد على الأقل من المدخلات صحيح.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "اختبار";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "إذا كانت العبارة خاطئة";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "إذا كانت العبارة صحيحة";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "تحقق الشرط في 'الاختبار'. إذا كان الشرط صحيح، يقوم بإرجاع قيمة 'اذا كانت العبارة صحيحة'؛ خلاف ذلك يرجع قيمة 'اذا كانت العبارة خاطئة'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "يرجع مجموع الرقمين.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "يرجع حاصل قسمة الرقمين.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "يرجع الفرق بين الرقمين.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "يرجع حاصل ضرب الرقمين.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "يرجع الرقم الأول مرفوع إلى تربيع الرقم الثاني.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 من X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "عودة قوس ظل النقطة (س، ص) بالدرجات من -180 إلى 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "غير %1 بـ %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "إضف رقم إلى متغير '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "ير جع واحد من الثوابت الشائعة : π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "تقيد %1 منخفض %2 مرتفع %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "تقييد العددليكون بين الحدود المحددة (ضمناً).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "قابل للقسمة";
-Blockly.Msg["MATH_IS_EVEN"] = "هو زوجي";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "هو سالب";
-Blockly.Msg["MATH_IS_ODD"] = "هو فرذي";
-Blockly.Msg["MATH_IS_POSITIVE"] = "هو موجب";
-Blockly.Msg["MATH_IS_PRIME"] = "هو أولي";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "تحقق إذا كان عدد ما زوجيا، فرذيا, أوليا، صحيحا،موجبا أو سالبا، أو إذا كان قابلا للقسمة على عدد معين.  يرجع صحيح أو خاطئ.";
-Blockly.Msg["MATH_IS_WHOLE"] = "هو صحيح";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "باقي %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "يرجع الباقي من قسمة الرقمين.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://ar.wikipedia.org/wiki/%D8%B9%D8%AF%D8%AF";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "عدد ما.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "متوسط القائمة";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "الحد الأقصى لقائمة";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "متوسط القائمة";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "الحد الأدنى من قائمة";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "منوال القائمة";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "عنصر عشوائي من القائمة";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "الانحراف المعياري للقائمة";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "مجموع القائمة";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "يرجع المعدل (الوسط الحسابي) للقيم الرقمية في القائمة.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "يرجع أكبر عدد في القائمة.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "يرجع وسيط العدد في القائمة.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "يرجع أصغر رقم في القائمة.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "يرجع قائمة من العنصر أو العناصر الأكثر شيوعاً في القائمة.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "يرجع عنصر عشوائي من القائمة.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "يرجع الانحراف المعياري للقائمة.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "يرجع مجموع كافة الأرقام الموجودة في القائمة.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "كسر عشوائي";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "يرجع جزء عشوائي بين 0.0 (ضمنياً) و 1.0 (خارجيا).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = " عدد صحيح عشوائي من %1 إلى %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "يرجع عدد صحيح عشوائي بين حدين محددين, ضمنيا.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "تقريب";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "تقريب إلى اصغر عدد صحيح";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "تقريب الى اكبر عدد صحيح";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "تقريب الى اكبر عدد صحيح أو الى اصغر عدد صحيح.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "مطلق";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "الجذر التربيعي";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "يرجع القيمة المطلقة لرقم.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "يرجع ه‍ (e) مرفوعا لأس بقيمة الرقم المدخل.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "يرجع اللوغاريتم الطبيعي لرقم.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "يرجع لوغاريتم عدد معين للاساس 10.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "يرجع عدد سالب.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "يرجع مضروب الرقم 10 في نفسه .";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "يرجع الجذر التربيعي للرقم.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";
-Blockly.Msg["MATH_TRIG_COS"] = "جيب تمام";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "جيب";
-Blockly.Msg["MATH_TRIG_TAN"] = "ظل";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "يرجع قوس جيب التمام لرقم.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "يرجع قوس الجيب للرقم.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "يرجع قوس الظل للرقم.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "يرجع جيب التمام لدرجة (لا زواية نصف قطرية).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "يرجع جيب التمام لدرجة (لا زواية نصف قطرية).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "يرجع الظل لدرجة (لا دائرة نصف قطرية).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "انشاء متغير لوني...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "انشاء متغير رقمي...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "انشاء متغير نصي...";
-Blockly.Msg["NEW_VARIABLE"] = "إنشاء متغير...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "اسم المتغير الجديد:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "نوع متغير جديد:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "اسمح بالبيانات";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "مع:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "تشغيل الدالة المعرفة من قبل المستخدم '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "تشغيل الدالة المعرفة من قبل المستخدم %1 واستخدام  مخرجاتها.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "مع:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "إنشئ '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "صف هذه الوظيفة...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "القيام بشيء ما";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "إلى";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "انشئ دالة بدون مخرجات .";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "يرجع";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "انشئ دالة مع المخرجات.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "تحذير: هذه الدالة تحتوي على معلمات مكررة.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "تسليط الضوء على تعريف الدالة";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "إذا كانت القيمة صحيحة ، اذان قم بارجاع القيمة الثانية.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "تحذير:هذه القطعة تستخدم فقط داخل تعريف دالة.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "اسم الإدخال:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "أضف مدخلا إلى الوظيفة.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "المدخلات";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "إضافة أو إزالة أو إعادة ترتيب المدخلات لهذه المهمة.";
-Blockly.Msg["REDO"] = "إعادة";
-Blockly.Msg["REMOVE_COMMENT"] = "أزل التعليق";
-Blockly.Msg["RENAME_VARIABLE"] = "إعادة تسمية المتغير...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "إعادة تسمية كافة المتغيرات '%1' إلى:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "إلى %1 إلصق نص %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "إلصق جزءا من النص إلى متغير '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "الى حروف صغيرة";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "الى حروف العنوان";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "الى حروف كبيرة";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "يرجع نسخة من النص في حالة مختلفة.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "احصل على الحرف الأول";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "الحصول على الحرف # من نهاية";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "الحصول على الحرف #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "احصل على آخر حرف";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "الحصول على حرف عشوائي";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "في النص %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "يرجع حرف ما في الموضع المحدد.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "العدد %1 في %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "احسب كم عدد بعض النصوص تتكرر ضمن نص اخر.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "إضف عنصر إلى النص.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "الانضمام إلى";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "أضف, إحذف, أو أعد ترتيب المقاطع لإعادة تكوين النص من القطع التالية.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "إلى حرف # من نهاية";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "إلى حرف #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "إلى آخر حرف";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "في النص";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "الحصول على سلسلة فرعية من الحرف الأول";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "الحصول على سلسلة حروف فرعية من الحرف # من نهاية";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "الحصول على سلسلة حروف فرعية من الحرف #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "يرجع جزء معين من النص.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "ابحث عن التواجد الأول للنص";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "ابحث عن التواجد الأخير للنص";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "في النص %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "تقوم بإرجاع مؤشر التواجد الأول/الأخير للنص الأول في النص الثاني.  تقوم بإرجاع %1 إذا لم يتم العثور على النص.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 فارغ";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "يرجع \"صحيح\" إذا كان النص المقدم فارغ.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "انشئ نص مع";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "أنشئ جزء من النص بالصاق أي عدد من العناصر ببعضها البعض.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "طول %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "تقوم بإرجاع عدد الاحرف (بما في ذلك الفراغات) في النص المقدم.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "اطبع %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "اطبع النص المحدد أو العدد أو قيمة أخرى.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "انتظر ادخال المستخذم لرقم ما.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "انتظر ادخال المستخدم لنص ما.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "انتظر ادخال المستخدم لرقم ما مع اظهار رسالة";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "انتظر ادخال المستخدم لنص ما مع اظهار رسالة";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "بدل %1 ب %2 في %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "استبدل جميع حالات حدوث بعض النصوص داخل نص آخر.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "عكس %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "يعكس ترتيب حروف النص";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "حرف أو كلمة أو سطر من النص.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "إزالة الفراغات من كلا الجانبين";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "إزالة الفراغات من الجانب الأيسر من";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "إزالة الفراغات من الجانب الأيمن من";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "يرجع نسخة من النص مع حذف من أحد أو كلا الفراغات من أطرافه.";
-Blockly.Msg["TODAY"] = "اليوم";
-Blockly.Msg["UNDO"] = "رجوع";
-Blockly.Msg["UNNAMED_KEY"] = "غير مسمى";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "البند";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "انشئ 'التعيين %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "يرجع قيمة هذا المتغير.";
-Blockly.Msg["VARIABLES_SET"] = "تعيين %1 إلى %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "انشئ 'احصل على %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "تعيين هذا المتغير لتكون مساوية للقيمة المدخلة.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "المتغير '%1' موجود بالفعل";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "متغير بأسم '%1' معرف من نوع اخر : '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "مساحة عمل بلوكلي";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "قل شيئا...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/az.js b/msg/js/az.js
deleted file mode 100644
index d7a54433ddc..00000000000
--- a/msg/js/az.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Şərh əlavə et";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "'%1' dəyişənini silmək mümkün deyil, çünki o '%2' funksiyasının təyin hissəsidir";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Qiyməti dəyiş:";
-Blockly.Msg["CLEAN_UP"] = "Blokları təmizlə";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Blokları yığ";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Bloku yığ";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "rəng 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "rəng 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "nisbət";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "qarışdır";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "İki rəngi verilmiş nisbətdə (0,0 - 1,0) qarışdırır.";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://az.wikipedia.org/wiki/Rəng";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Palitradan bir rəng seçin.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "təsadüfi rəng";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Təsadüfi bir rəng seçin.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "mavi";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "yaşıl";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "qırmızı";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "rənglə";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Qırmızı, yaşıl və mavinin göstərilən miqdarı ilə bir rəng düzəlt. Bütün qiymətlər 0 ilə 100 arasında olmalıdır.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "dövrdən çıx";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "dövrün növbəti addımından davam et";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Cari dövrdən çıx.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Bu dövrün qalanını ötür və növbəti addımla davam et.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Xəbərdarlıq: Bu blok ancaq dövr daxilində istifadə oluna bilər.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "hər element üçün %1 siyahıda %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Siyahıdakı hər element üçün \"%1\" dəyişənini elementə mənimsət və bundan sonra bəzi əmrləri yerinə yetir.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "say: %1 %2 ilə başlayıb, %3 qiymətinə kimi %4 qədər dəyiş";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "\"%1\" dəyişəni başlanğıc ədəddən son ədədə qədər göstərilən aralıqla qiymətlər aldıqca göstərilən blokları yerinə yetir.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "\"Əgər\" blokuna bir şərt əlavə et.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "\"Əgər\" blokuna qalan bütün halları əhatə edəb son bir şərt əlavə et.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Bu \"əgər\" blokunu dəyişdirmək üçün bölümlərin yenisini əlavə et, sil və ya yerini dəyiş.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "əks halda";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "əks halda əgər";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "əgər";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Əgər qiymət doğrudursa, onda bəzi əmrləri yerinə yetir.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Əgər qiymət doğrudursa, onda birinci əmrlər blokunu yerinə yetir. Əks halda isə ikinci əmrlər blokunu yerinə yetir.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Əgər birinci qiymət doğrudursa, onda birinci əmrlər blokunu yerinə yetir. Əks halda əgər ikinci qiymət doğrudursa, onda ikinci əmrlər blokunu yerinə yetir.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Əgər birinci qiymət doğrudursa, onda birinci əmrlər blokunu yerinə yetir. Əks halda əgər ikinci qiymət doğrudursa, onda ikinci əmrlər blokunu yerinə yetir. Əgər qiymətlərdən heç biri doğru deyilsə, onda axırıncı əmrlər blokunu yerinə yetir.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://az.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "icra et";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 dəfə təkrar et";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Bəzi əmrləri bir neçə dəfə yerinə yetir.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "təkrar et, ta ki";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "təkrar et, hələ ki";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Hələ ki, qiymət \"yalan\"dır, bəzi əmrləri yerinə yetir.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Hələ ki, qiymət \"doğru\"dur, bəzi əmrləri yerinə yetir.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Bütün %1 blok silinsin?";
-Blockly.Msg["DELETE_BLOCK"] = "Bloku sil";
-Blockly.Msg["DELETE_VARIABLE"] = "'%1' adlı dəyişəni sil";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "'%2' dəyişəninin %1 istifadəsini silək?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 bloku sil";
-Blockly.Msg["DISABLE_BLOCK"] = "Bloku söndür";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Dublikat";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Şərhin nüsxəsini yarat";
-Blockly.Msg["ENABLE_BLOCK"] = "Bloku aktivləşdir";
-Blockly.Msg["EXPAND_ALL"] = "Blokları aç";
-Blockly.Msg["EXPAND_BLOCK"] = "Bloku aç";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Xarici girişlər";
-Blockly.Msg["HELP"] = "Kömək";
-Blockly.Msg["INLINE_INPUTS"] = "Sətiriçi girişlər";
-Blockly.Msg["IOS_CANCEL"] = "Ləğv et";
-Blockly.Msg["IOS_ERROR"] = "Xəta";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Giriş əlavə et";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Operatorlara icazə";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Bu funksiyada təkrarlanan giriş dəyişənləri vardır.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "GİRİŞ";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Əlavə et";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Dəyişən əlavə et";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Sil";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Adsız dəyişən istifadə edə bilməzsiniz.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Adını dəyiş";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Dəyişənin adı";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "boş siyahı düzəlt";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Heç bir verilən qeyd olunmamış, uzunluğu 0 olan bir siyahı verir";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "siyahı";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Bu siyahı blokunu yenidən konfigurasiya etmək üçün bölmələri əlavə edin, silin və ya yerlərini dəyişin.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "bunlardan siyahı düzəlt";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Siyahıya element əlavə edin.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "İstənilən ölçülü siyahı yaradın.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "birinci";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "axırdan # nömrəli";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "götür";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "götür və sil";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "axırıncı";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "təsadüfi";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "yığışdır";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Siyahının ilk elementini qaytarır.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Siyahıdan təyin olunmuş indeksli elementi qaytarır.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Siyahının son elementini qaytarır.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Siyahıdan hər hansı təsadüfi elementi qaytarır.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Siyahıdan ilk elementi silir və qaytarır.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Siyahıdan təyin olunmuş indeksli elementi silir və qaytarır.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Siyahıdan son elementi silir və qaytarır.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Siyahıdan təsadufi elementi silir və qaytarır.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Siyahıdan ilk elementi silir.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Siyahıdan təyin olunmuş indeksli elementi silir.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Siyahıdan son elementi silir.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Siyahıdan təsadüfi bir elementi silir.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "sondan # nömrəliyə";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "# nömrəliyə";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "Sonuncuya";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "Birincidən alt-siyahını alın";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "# sonuncudan alt-siyahını alın";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "# - dən alt-siyahını alın";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Siyahının təyin olunmuş hissəsinin surətini yaradın.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 son elementdir.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 ilk elementdir.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "Element ilə ilk rastlaşma indeksini müəyyən edin";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "Element ilə son rastlaşma indeksini müəyyən edin";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Elementin siyahıda ilk/son rastlaşma indeksini qaytarır. Əgər siyahıda mətn tapılmadısa, %1 qaytarılır.";
-Blockly.Msg["LISTS_INLIST"] = "siyahıda";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 boşdur";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Siyahı boşdursa \"doğru\" cavabını qaytarır.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1 siyahısının uzunluğu";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Siyahının uzunluğunu verir.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "%1 elementinin %2 dəfə təkrarlandığı siyahı düzəlt";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Təyin olunmuş elementin/qiymətin təyin olunmuş sayda təkrarlandığı siyahını yaradır.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "əksinə dəyiş %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Siyahının nüsxəsini əksinə dəyiş.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "Kimi";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "daxil et";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "təyin et";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Elementi siyahının əvvəlinə daxil edir.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Elementi siyahıda göstərilən yerə daxil edir.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Elementi siyahının sonuna artırır.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Elementi siyahıda təsadüfi seçilmiş bir yerə atır.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Siyahıda birinci elementi təyin edir.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Siyahının göstərilən yerdəki elementini təyin edir.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Siyahının sonuncu elementini təyin edir.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Siyahının təsadüfi seçilmiş bir elementini təyin edir.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "artan üzrə";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "azalan üzrə";
-Blockly.Msg["LISTS_SORT_TITLE"] = "%1 %2 %3 sortlaşdır";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Siyahının nüsxəsini sortlaşdır.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "əlifba üzrə, registrı nəzərə almadan";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "say üzrə";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "əlifba üzrə";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "mətndən siyahı düzəlt";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "siyahıdan mətn düzəlt";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Mətnlər siyahısından ayırıcılarla birgə bir mətn yaradır.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Mətni ayırıcılara görə bölərək mətnlər siyahısı yaradır.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "ayırıcıyla";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "səhf";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "\"doğru\" və ya \"səhf\" cavanını qaytarır.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "doğru";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://az.wikipedia.org/wiki/bərabərsizlik_(riyazi)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Girişlər bir birinə bərabərdirsə \"doğru\" cavabını qaytarır.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Birinci giriş ikincidən böyükdürsə \"doğru\" cavabını qaytarır.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Birinci giriş ikincidən böyük və ya bərarbərdirsə \"doğru\" cavabını qaytarır.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Birinci giriş ikincidən kiçikdirsə \"doğru\" cavabını qaytarır.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Birinci giriş ikincidən kiçik və ya bərarbərdirsə \"doğru\" cavabını qaytarır.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Girişlər bərabər deyillərsə \"doğru\" cavabını qaytarır.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "%1 deyil";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Giriş \"yalan\"-dursa \"doğru\" cavabını qaytarır. Giriş \"doğru\"-dursa \"səhf\" cavabını qaytarır.";
-Blockly.Msg["LOGIC_NULL"] = "boş";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Boş cavab qaytarır.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "və";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "və ya";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Hər iki giriş \"doğru\"-dursa \"doğru\" cavabını qaytarır.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Girişlərdən heç olmasa biri \"doğru\"-dursa \"doğru\" cavabını qaytarır.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "əgər səhfdirsə";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "əgər doğrudursa";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "'Yoxla' əmrindəki şərtə nəzər yetirin. Əgər şərt \"doğru\"-dursa \"əgər doğru\", əks halda isə \"əgər yalan\" cavabını qaytarır.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://az.wikipedia.org/wiki/Hesab";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "İki ədədin cəmini qaytarır.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "İki ədədin nisbətini qaytarır.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "İki ədədin fərqini qaytarır.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "İki ədədin hasilini verir.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Birinci ədədin ikinci ədəd dərəcəsindən qüvvətini qaytarır.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "(X,Y) nöqtələrinin -180 - 180 dərəcədə arktangensini hesabla.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "dəyiş: %1 buna: %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "'%1' dəyişəninin üzərinə bir ədəd artır.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://az.wikipedia.org/wiki/Riyazi_sabitlər";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Ümumi sabitlərdən birini qaytarır π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), və ya ∞ (sonsuzluq).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "%1 üçün ən aşağı %2, ən yuxarı %3 olmağı tələb et";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Bir ədədin verilmiş iki ədəd arasında olmasını tələb edir (sərhədlər də daxil olmaqla).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "bölünür";
-Blockly.Msg["MATH_IS_EVEN"] = "cütdür";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "mənfidir";
-Blockly.Msg["MATH_IS_ODD"] = "təkdir";
-Blockly.Msg["MATH_IS_POSITIVE"] = "müsbətdir";
-Blockly.Msg["MATH_IS_PRIME"] = "sadədir";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Bir ədədin cüt, tək, sadə, tam, müsbət, mənfi olmasını və ya müəyyən bir ədədə bölünməsini yoxlayır. \"Doğru\" və ya \"yalan\" qiymətini qaytarır.";
-Blockly.Msg["MATH_IS_WHOLE"] = "tamdır";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "%1 ÷ %2 bölməsinin qalığı";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "İki ədədin nisbətindən alınan qalığı qaytarır.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://az.wikipedia.org/wiki/Ədəd";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Ədəd.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "siyahının ədədi ortası";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "siyahının maksimumu";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "siyahının medianı";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "siyahının minimumu";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "Siyahı modları( Ən çox rastlaşılan elementləri)";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "siyahıdan təsadüfi seçilmiş bir element";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "Siyahının standart deviasiyası";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "Siyahının cəmi";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Siyahıdaki ədədlərin ədədi ortasını qaytarır.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Siyahıdaki ən böyük elementi qaytarır.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Siyahının median elementini qaytarır.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Siyahıdaki ən kiçik ədədi qaytarır.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Siyahıdaki ən çox rastlanan element(lər)dən ibarət siyahı qaytarır.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Siyahıdan təsadüfi bir element qaytarır.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Siyahının standart deviasiyasını qaytarır.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Siyahıdakı bütün ədədlərin cəmini qaytarır.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "təsadüfi kəsr";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "0.0 (daxil olmaqla) və 1.0 (daxil olmamaqla) ədədlərinin arasından təsadüfi bir kəsr ədəd qaytarır.";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "%1 ilə %2 arasından təsadüfi tam ədəd";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Verilmiş iki ədəd arasından (ədədrlər də daxil olmaqla) təsadüfi bir tam ədəd qaytarır.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "yuvarlaqlaşdır";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "aşağı yuvarlaqlaşdır";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "yuxarı yuvarlaqlaşdır";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Ədədi aşağı və ya yuxari yuvarlaqşdır.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://az.wikipedia.org/wiki/Kvadrat_kökləri";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "modul";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "kvadrat kök";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Ədədin modulunu qaytarır.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "e sabitinin verilmiş ədədə qüvvətini qaytarır.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Ədədin natural loqarifmini tapır.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Ədədin 10-cu dərəcədən loqarifmini tapır.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Ədədin əksini qaytarır.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "10-un verilmiş ədədə qüvvətini qaytarır.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Ədədin kvadrat kökünü qaytarır.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "arccos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "arcsin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "arctan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://az.wikipedia.org/wiki/Triqonometrik_funksiyalar";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tg";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Ədədin arccosinusunu qaytarır.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Ədədin arcsinusunu qaytarır.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Ədədin arctanqensini qaytarır.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Dərəcənin kosinusunu qaytarır (radianın yox).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Dərəcənin sinusunu qaytar (radianın yox).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Dərəcənin tangensini qaytar (radianın yox).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Yeni rəng dəyişəni...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Yeni rəqəm dəyişəni...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Yeni sətir dəyişəni...";
-Blockly.Msg["NEW_VARIABLE"] = "Yeni dəyişən...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Yeni dəyişənin adı:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Yeni dəyişənin tipi:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "operatorlara icazə";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "ilə:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Yaradılmış '%1' funksiyasını çalışdır.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Yaradılmış '%1' funksiyasını çalışdır və nəticəni istifadə et.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "ilə:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "'%1' yarat";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Bu funksiyanı təsvir et";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "hansısa əməliyyat";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "icra et:";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Nəticəsi olmayan funksiya yaradır.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "qaytar";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Nəticəsi olan funksiya yaradır.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Xəbərdarlıq: Bu funksiyanın təkrar olunmuş parametrləri var.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Funksiyanın təyinatını vurğula";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Əgər bir dəyər \"doğru\"-dursa onda ikinci dəyəri qaytar.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Xəbərdarlıq: Bu blok ancaq bir funksiyanın təyinatı daxilində işlədilə bilər.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "Giriş adı:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Funksiyaya giriş parametrləri əlavə et.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "girişlər";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Bu funksiyanın giriş parametrləri üçün əlavə et, sil, və ya yenilə.";
-Blockly.Msg["REDO"] = "İrəli";
-Blockly.Msg["REMOVE_COMMENT"] = "Şərhi sil";
-Blockly.Msg["RENAME_VARIABLE"] = "Dəyişənin adını dəyiş...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Bütün '%1' dəyişənlərinin adını buna dəyiş:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "bu mətnin sonuna: %1 bu mətni əlavə et: %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "'%1' dəyişəninin sonuna nəsə əlavə et.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "kiçik hərflərlə";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "Baş Hərflərlə";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "BÖYÜK HƏRFLƏRLƏ";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Mətndə hərflərin böyük-kiçikliyini dəyiş.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "birinci hərfi götür";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "axırdan bu nömrəli hərfi götür";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "bu nömrəli hərfi götür";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "axırıncı hərfi götür";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "təsadüfi hərf götür";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "mətndə %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Göstərilən mövqedəki hərfi qaytarır.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "%2 içindən %1 sayını hesabla";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Hesablayaq, mətnin bu hissəsi başqa mətndə neçə dəfə  rast gəlinir.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Mətnə bir element əlavə et.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "birləşdir";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Bu mətn blokunu yenidən konfigurasiya etmək üçün bölmələri əlavə edin, silin və ya yerlərini dəyişin.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "axırdan bu nömrəli hərfə qədər";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "bu nömrəli hərfə qədər";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "son hərfə qədər";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "mətndə";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "Mətnin surətini ilk hərfdən";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "Mətnin surətini sondan bu nömrəli # hərfdən";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "Mətnin surətini bu nömrəli hərfdən";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Mətnin təyin olunmuş hissəsini qaytarır.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "Bu mətn ilə ilk rastlaşmanı tap:";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "Bu mətn ilə son rastlaşmanı tap:";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "mətndə %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Birinci mətnin ikinci mətndə ilk/son rastlaşma indeksini qaytarır. Əgər rastlaşma baş verməzsə, %1 qaytarır.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 boşdur";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Verilmiş mətn boşdursa, doğru qiymətini qaytarır.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "Verilmişlərlə mətn yarat";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "İxtiyari sayda elementlərinin birləşməsi ilə mətn parçası yarat.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1 - ın uzunluğu";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Verilmiş mətndəki hərflərin(sözlər arası boşluqlar sayılmaqla) sayını qaytarır.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "%1 - i çap elə";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Təyin olunmuş mətn, ədəd və ya hər hansı bir başqa elementi çap elə.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "İstifadəçiyə ədəd daxil etməsi üçün sorğu/tələb göndərin.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "İstifadəçiyə mətn daxil etməsi üçün sorğu/tələb göndərin.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "İstifadəçiyə ədəd daxil etməsi üçün sorğunu/tələbi ismarıc kimi göndərin";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "İstifadəçiyə mətn daxil etməsi üçün sorğunu/tələbi ismarıc ilə göndərin";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "%3 -də %1 əvəz et %2";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Bütün uyğunluqlu bəzi mətnlərin digər bəzi mətnlərə dəyişdirilməsi.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "əksinə dəyiş %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Mətndəki simvolların ardıcıllığını əksinə dəyiş.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Mətndəki hərf, söz və ya sətir.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "boşluqları hər iki tərəfdən pozun";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "boşluqlari yalnız sol tərəfdən pozun";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "boşluqları yalnız sağ tərəfdən pozun";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Mətnin hər iki və ya yalnız bir tərəfdən olan boşluqları pozulmuş surətini qaytarın.";
-Blockly.Msg["TODAY"] = "Bugün";
-Blockly.Msg["UNDO"] = "Geri";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "element";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "'%1 - i təyin et' - i yarat";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Bu dəyişənin qiymətini qaytarır.";
-Blockly.Msg["VARIABLES_SET"] = "%1 - i bu qiymət ilə təyin et: %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "'%1 - i götür' - ü yarat";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Bu dəyişəni daxil edilmiş qiymətə bərabər edir.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "'%1' adlı dəyişən artıq mövcuddur.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "'%1' adlı dəyişən artıq '%2': tipində istifadə edilir .";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Buraya nə isə yaz...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/ba.js b/msg/js/ba.js
deleted file mode 100644
index 0e2ca7be8a8..00000000000
--- a/msg/js/ba.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Фекер өҫтәргә";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Мәғәнәне үҙгәртегеҙ:";
-Blockly.Msg["CLEAN_UP"] = "Блоктарҙы таҙартырға";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Блоктарҙы төрөргә";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Блокты төрөргә";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "1-се төҫ";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "2-се төҫ";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "1-се төҫтөң өлөшө";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "ҡатнаштырырға";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Ике төҫтө бирелгән нисбәттә болғата (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Төҫ";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Палитранан төҫ һайлағыҙ.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "осраҡлы төҫ";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Төҫтө осраҡлылыҡ буйынса һайлай.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "зәңгәр";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "йәшелдән";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "ҡыҙылдан";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "ошонан төҫ";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Бирелгән нисбәттәрҙә ҡыҙылдан, йәшелдән һәм зәңгәрҙән төҫ барлыҡҡа килә. Бөтә мәғәнәләр 0 менән 100 араһында булырға тейеш.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "циклдан сығырға";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "циклдың киләһе аҙымына күсергә";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Был циклды өҙә.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Циклдың ҡалдығын төшөрөп ҡалдыра һәм киләһе аҙымға күсә.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Иҫкәртеү: был блок цикл эсендә генә ҡулланыла ала.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "һәр элемент өсөн %1 исемлектә %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Исемлектәге һәр элемент өсөн үҙгәреүсәнгә элементтың '%1' мәғәнәһен бирә һәм күрһәтелгән командаларҙы үтәй.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "count with %1 from %2 to %3 by %4";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Үҙгәреүсәнгә башынан аҙағына тиклем тәғәйен аҙым менән %1 мәғәнәне бирә һәм күрһәтелгән командаларҙы үтәй.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "\"Әгәр\" блогына шарт өҫтәй";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Бер шарт та дөрөҫ булмаған осраҡҡа йомғаҡлау ярҙамсы блогын өҫтәргә.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "\"Әгәр\" блогын ҡабаттан төҙөү өсөн киҫәктәрҙе өҫтәгеҙ, юйҙырығыҙ, урындарын алмаштырығыҙ.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "юғиһә";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "юғиһә, әгәр";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "әгәр";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Мәғәнә дөрөҫ булғанда, командаларҙы үтәй.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Шарт дөрөҫ булғанда, командаларҙың беренсе блогын үтәй. Улай булмаһа, командаларҙың икенсе блогы үтәлә.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Беренсе шарт дөрөҫ булһа, командаларҙың беренсе блогын үтәй. Икенсе шарт дөрөҫ булһа, командаларҙың икенсе блогын үтәй.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Беренсе шарт дөрөҫ булһа, командаларҙың беренсе блогын үтәй. Әгәр икенсе шарт дөрөҫ булһа, командаларҙың икенсе блогын үтәй. Бер шарт та дөрөҫ булмаһа, команда блоктарының һуңғыһын үтәй.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/Цикл_(программалау)";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "үтәргә";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = " %1 тапҡыр ҡабатларға";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Командаларҙы бер нисә тапҡыр үтәй.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ҡабатларға, әлегә юҡ";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ҡабатларға, әлегә";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Мәғәнә ялған булғанда, командаларҙы ҡабатлай.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Мәғәнә дөрөҫ булғанда, командаларҙы ҡабатлай.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Бөтә %1 блоктарҙы юйырғамы?";
-Blockly.Msg["DELETE_BLOCK"] = "Блокты юйҙырырға";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = " %1 блокты юйҙырырға";
-Blockly.Msg["DISABLE_BLOCK"] = "Блокты һүндерергә";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Күсереп алырға";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Блокты тоҡандырырға";
-Blockly.Msg["EXPAND_ALL"] = "Блоктарҙы йәйергә";
-Blockly.Msg["EXPAND_BLOCK"] = "Блокты йәйергә";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Тышҡы өҫтәлмә";
-Blockly.Msg["HELP"] = "Ярҙам";
-Blockly.Msg["INLINE_INPUTS"] = "Эске өҫтәлмә";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";  // untranslated
-Blockly.Msg["IOS_ERROR"] = "Error";  // untranslated
-Blockly.Msg["IOS_OK"] = "OK";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "исемлек";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "менән исемлек төҙөргә";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "беренсе";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# аҙағынан";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "алырға";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "алырға һәм юйырға";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "аҙаҡҡы";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "осраҡлы";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "юйырға";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "исемлеккә";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 буш";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "оҙонлоғо %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "кеүек";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "өҫтәп ҡуйырға";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "йыйылма";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ялған";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Дөрөҫ йәки ялғанды ҡайтара.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "дөрөҫ";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(математика)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Өҫтәмәләр тигеҙ булһа, дөрөҫ мәғәнәһен кире ҡайтара.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Беренсе өҫтәмә икенсеһенән ҙурыраҡ булһа, дөрөҫ мәғәнәһен кире ҡайтара.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Беренсе өҫтәмә икенсеһенән бәләкәйерәк йә уға тиң булһа, дөрөҫ мәғәнәһен кире ҡайтара.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Беренсе өҫтәмә икенсеһенән бәләкәйерәк булһа, дөрөҫ мәғәнәһен кире ҡайтара.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Беренсе өҫтәмә икенсеһенән бәләкәйерәк йә уға тиң булһа, дөрөҫ мәғәнәһен кире ҡайтара.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Өҫтәмәләр тигеҙ булмаһа, дөрөҫ мәғәнәһен кире ҡайтара.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "%1 түгел";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Өҫтәлмә ялған булһа, дөрөҫ аңлатманы ҡайтара. Өҫтәлмә дөрөҫ булһа, ялған аңлатманы ҡайтара.";
-Blockly.Msg["LOGIC_NULL"] = "нуль";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Нулде ҡайтара.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "һәм";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "йәки";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Әгәр ҙә ике өҫтәлмә лә тап килһә, дөрөҫ аңлатманы кире ҡайтара.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Өҫтәлмәләрҙең береһе генә дөрөҫ булһа, дөрөҫ аңлатманы ҡайтара.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "тест";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "әгәр ялған булһа";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "әгәр дөрөҫ булһа";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Һайлау шартын тикшерә. Әгәр ул дөрөҫ булһа, беренсе мәғәнәне, хата булһа, икенсе мәғәнәне ҡайтара.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://ba.wikipedia.org/wiki/Арифметика";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Ике һандың суммаһын ҡайтара.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Ике һандың бүлендеген ҡайтара.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Ике һандың айырмаһын ҡайтара.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Ике һандың ҡабатландығын ҡайтара.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Дәрәжәгә күтәрелгән икенсе һандан тәүгеһенә ҡайтара.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://ba.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "%1 тан %2 ҡа арттырырға";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Үҙгәреүсән һанға өҫтәй '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://ba.wikipedia.org/wiki/Математик_константа";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Таралған константаның береһен күрһәтә: π (3.141...), e (2.718...), φ (1.618...), sqrt(2) (1.414...), sqrt(½) (0.707...) йәки ∞ (сикһеҙлек).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "сикләргә %1 аҫтан %2 өҫтән %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Һанды аҫтан һәм өҫтән сикләй (сиктәгеләрен индереп).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "бүленә";
-Blockly.Msg["MATH_IS_EVEN"] = "тағы";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "тиҫкәре";
-Blockly.Msg["MATH_IS_ODD"] = "сәйер";
-Blockly.Msg["MATH_IS_POSITIVE"] = "ыңғай";
-Blockly.Msg["MATH_IS_PRIME"] = "ябай";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Һандың йоп, таҡ, ябай, бөтөн, ыңғай, кире йәки билдәле һанға ҡарата ниндәй булыуын тикшерә. Дөрөҫ йә ялған мәғәнәһен күрһәтә.";
-Blockly.Msg["MATH_IS_WHOLE"] = "бөтөн";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://ba.wikipedia.org/wiki/Ҡалдыҡ_менән_бүлеү";
-Blockly.Msg["MATH_MODULO_TITLE"] = "ҡалдыҡ %1 : %2 араһында";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Ике һанды бүлеү ҡалдығын күрһәтә.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://ba.wikipedia.org/wiki/Һан";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Рәт.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "исемлектең уртаса арифметик дәүмәле";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "исемлектәге иң ҙуры";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "исемлек медианаһы";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "Исемлектәге иң бәләкәйе";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "исемлек модалары";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "исемлектең осраҡлы элементы";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "исемлекте стандарт кире ҡағыу";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "исемлек суммаһы";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Исемлектең уртаса арифметик дәүмәле күрһәтә.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Исемлектең иң ҙур һанын  күрһәтә.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Исемлек медианаһын күрһәтә.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Исемлектәге иң бәләкәй һанды күрһәтә.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Исемлектең иң күп осраған элементтарын күрһәтә.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Исемлектең осраҡлы элементын күрһәтә.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Исемлекте стандарт кире ҡағыуҙы күрһәтә.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Исемлектәрҙәге һандар суммаһын күрһәтә.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://ba.wikipedia.org/wiki/Ялған осраҡлы_һандар_генераторы";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "0 (үҙен дә индереп) һәм 1 араһындағы осраҡлы һан";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://ba.wikipedia.org/wiki/Ялған осраҡлы_һандар_генераторы";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "%1-ҙән %2-гә тиклем осраҡлы бөтөн һан";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Ике бирелгән һан араһындағы (үҙҙәрен дә индереп) осраҡлы һанды күрһәтә.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://ba.wikipedia.org/wiki/Т=Түңәрәкләү";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "түңәрәк";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "бәләкәйгә тиклем түңәрәкләргә";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "ҙурына тиклем түңәрәкләргә";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Һанды ҙурына йә бәләкәйенә тиклем түңәрәкләргә.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://ba.wikipedia.org/wiki/Квадрат_тамыр";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "абсолют";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "квадрат тамыр";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Һандың модулен ҡайтара.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Күрһәтелгән дәрәжәлә ҡайтара.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Һандың натураль логаритмын ҡайтара.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Һандың унынсы логаритмын ҡайтара.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Кире һанды ҡайтара.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Күрһәтелгән 10-сы дәрәжәлә ҡайтара.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Һандың квадрат тамырын ҡайтара.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://ba..wikipedia.org/wiki/Тригонометрик_функциялар";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Арккосинусты градустарҙа күрһәтә.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Арксинусты градустарҙа күрһәтә.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Арктангенсты градустарҙа күрһәтә.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Мөйөштөң косинусын градустарҙа ҡайтара.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Мөйөштөң синусын градустарҙа ҡайтара.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Мөйөштөң тангенсын градустарҙа күрһәтә.";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Яңы үҙгәреүсән...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Яңы үҙгәреүсәндең исеме:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "'%1' төҙөргә";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "do something";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "to";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "кире ҡайтарыу";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "инеү исеме:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "инеү";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "документтарҙы үҙгәртергә";
-Blockly.Msg["REMOVE_COMMENT"] = "Аңлатмаларҙы юйырға";
-Blockly.Msg["RENAME_VARIABLE"] = "Үҙгәреүсәндең исемен алмаштырырға...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Бөтә '%1' үҙгәреүсәндәрҙең исемен ошолай алмаштырырға:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Үҙгәреүсән «%1»-гә текст өҫтәргә.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "тәүге хәрефте алырға";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "№ хәрефен аҙаҡтан алырға";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "хат алырға #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "һуңғы хәрефте алырға";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "осраҡлы хәрефте алырға";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Текстҡа элемент өҫтәү.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "ҡушылығыҙ";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "# хатҡа";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "һуңғы хәрефкә тиклем";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "текста";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "текстың тәүге инеүен табырға";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "Текстың һуңғы инеүен табырға";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "текстҡа %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 буш";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "текст төҙөргә";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Элементтарҙың теләһә күпме һанын берләштереп текст фрагментын булдыра.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "оҙонлоғо %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Бирелгән текстағы символдар һанын (буш урындар менән бергә) кире ҡайтара.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "%1 баҫтырырға";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Текстың хәрефе, һүҙе йәки юлы.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "Бөгөн";
-Blockly.Msg["UNDO"] = "Кире алырға";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "элемент";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/bcc.js b/msg/js/bcc.js
deleted file mode 100644
index 9e6888e14aa..00000000000
--- a/msg/js/bcc.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "افزودن نظر";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "تغییر مقدار:";
-Blockly.Msg["CLEAN_UP"] = "Clean up Blocks";  // untranslated
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "فروپاشی بلوک‌ها";
-Blockly.Msg["COLLAPSE_BLOCK"] = "فروپاشی بلوک";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "رنگ ۱";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "رنگ ۲";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "نسبت";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "مخلوط";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "دو رنگ را با نسبت مشخص‌شده مخلوط می‌کند (۰٫۰ - ۱٫۰)";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B1%D9%86%DA%AF";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "انتخاب یک رنگ از تخته‌رنگ.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "رنگ تصادفی";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "انتخاب یک رنگ به شکل تصادفی.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "آبی";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "سبز";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "قرمز";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "رنگ با";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "ساخت یک رنگ با مقدار مشخص‌شده‌ای از قرمز، سبز و آبی. همهٔ مقادیر باید بین ۰ تا ۱۰۰ باشند.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "شکستن حلقه";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "ادامه با تکرار بعدی حلقه";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "شکستن حلقهٔ شامل.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "پریدن از بقیهٔ حلقه و ادامه با تکرار بعدی.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "اخطار: این بلوک ممکن است فقط داخل یک حلقه استفاده شود.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "برای هر مورد %1 در فهرست %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "برای هر مورد در این فهرست، تنظیم متغیر «%1» به مورد و انجام تعدادی عبارت.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "با تعداد %1 از %2 به %3 با گام‌های %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "متغیر %1 را در مقادیر شروع‌شده از عدد انتهای  به عدد انتهایی را دارد، با فواصل مشخص‌شده می‌شمارد و این بلوک مشخص‌شده را انجام می‌دهد.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "افزودن یک شرط به بلوک اگر.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "اضافه‌کردن نهایی، گرفتن همهٔ شرایط به بلوک اگر.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "اضافه، حذف یا ترتیب‌سازی قسمت‌ها برای تنظیم مجدد این بلوک اگر مسدود است.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "آنگاه";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "اگر آنگاه";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "اگر";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "اگر یک مقدار صحیح است، سپس چند عبارت را انجام بده.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "اگر یک مقدار صحیح است، اول بلوک اول عبارات را انجام بده.  در غیر این صورت بلوک دوم عبارات انجام بده.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "اگر مقدار اول صحیح بود، از آن بلوک اول عبارات را انجام بده.  در غیر این صورت، اگر مقدار دوم صحیح است، بلوک دوم عبارات را انجام بده.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "اگر مقدار اول درست است، بلوک اول عبارات را انجام بده.  در غیر این صورت، اگر مقدار دوم درست باشد بلوک دوم عبارات را انجام بده.  اگر هیچ از مقادیر درست نبود، آخرین بلوک عبارات را انجام بده.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%AD%D9%84%D9%82%D9%87_%D9%81%D9%88%D8%B1";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "انجام";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 بار تکرار";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "انجام چند عبارت چندین بار.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "تکرار تا";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "تکرار در حالی که";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "تا زمانی که یک مقدار ناصحیح است، چند عبارت را انجام بده.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "تا زمانی که یک مقدار صحیح است، چند عبارت را انجام بده.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Delete all %1 blocks?";  // untranslated
-Blockly.Msg["DELETE_BLOCK"] = "حذف بلوک";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "حذف بلوک‌های %1";
-Blockly.Msg["DISABLE_BLOCK"] = "غیرفعال‌سازی بلوک";
-Blockly.Msg["DUPLICATE_BLOCK"] = "تکراری";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "فعال‌سازی بلوک";
-Blockly.Msg["EXPAND_ALL"] = "گسترش بلوک‌ها";
-Blockly.Msg["EXPAND_BLOCK"] = "گسترش بلوک";
-Blockly.Msg["EXTERNAL_INPUTS"] = "ورودی‌های خارجی";
-Blockly.Msg["HELP"] = "کومک";
-Blockly.Msg["INLINE_INPUTS"] = "ورودی‌های درون خطی";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";  // untranslated
-Blockly.Msg["IOS_ERROR"] = "Error";  // untranslated
-Blockly.Msg["IOS_OK"] = "OK";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "ایجاد فهرست خالی";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "فهرستی با طول صفر شامل هیچ رکورد داده‌ای بر می‌گرداند.";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "لیست";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "اضافه‌کردن، حذف‌کردن یا ترتیب‌سازی مجدد بخش‌ها این بلوک فهرستی.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "ایجاد فهرست با";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "اضافه‌کردن یک مورد به فهرست.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "فهرستی از هر عددی از موارد می‌سازد.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "اولین";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# از انتها";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "گرفتن";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "گرفتن و حذف‌کردن";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "اهرین";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "یکپارگی";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "حذف‌کردن";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "اولین مورد یک فهرست را بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "موردی در محل مشخص‌شده بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "آخرین مورد در یک فهرست را بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "یک مورد تصادفی در یک فهرست بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "اولین مورد مشخص‌شده در فهرست را حذف و بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "مورد در محل مشخص‌شده در فهرست را حذف و بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "آخرین مورد مشخص‌شده در فهرست را حذف و بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "مورد تصادفی‌ای را در فهرست حذف و بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "اولین مورد را در یک فهرست حذف می‌کند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "مورد مشخص‌شده در موقعیت مشخص در یک فهرست را حذف و بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "آخرین مورد را در یک فهرست حذف می‌کند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "یک مورد تصادفی را یک فهرست حذف می‌کند.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "به # از انتها";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "به #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "به آخرین";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "گرفتن زیرمجموعه‌ای از ابتدا";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "گرفتن زیرمجموعه‌ای از # از انتها";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "گرفتن زیرمجموعه‌ای از #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "کپی از قسمت مشخص‌شدهٔ لیست درست می‌کند.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 آخرین مورد است.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 اولین مورد است.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "آخرین رخداد متن را بیاب";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "یافتن آخرین رخ‌داد مورد";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "شاخصی از اولین/آخرین رخ‌داد مورد در فهرست را بر می‌گرداند. %1 بر می‌گرداند اگر متن موجود نبود.";
-Blockly.Msg["LISTS_INLIST"] = "مہ لیست‌ئا";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 خالی است";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "اگر فهرست خالی است مقدار صجیج بر می‌گرداند.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "طول %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "طول یک فهرست را برمی‌گرداند.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "فهرستی با %1 تکرارشده به اندازهٔ %2 می‌سازد";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "فهرستی شامل مقادیر داده‌شدهٔ تکرار شده عدد مشخص‌شده می‌سازد.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "به‌عنوان";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "جاہ دیگ مہ";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "مجموعه";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "موردی به ته فهرست اضافه می‌کند.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "موردی در موقعیت مشخص‌شده در یک فهرست اضافه می‌کند.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "موردی به ته فهرست الحاق می‌کند.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "مورد را به صورت تصادفی در یک فهرست می‌افزاید.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "اولین مورد در یک فهرست را تعیین می‌کند.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "مورد مشخص‌شده در یک فهرست را قرار می‌دهد.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "آخرین مورد در یک فهرست را تعیین می‌کند.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "یک مورد تصادفی در یک فهرست را تعیین می‌کند.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ناصحیح";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "بازگرداندن یکی از صحیح یا ناصحیح.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "صحیح";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://fa.wikipedia.org/wiki/%D9%86%D8%A7%D8%A8%D8%B1%D8%A7%D8%A8%D8%B1%DB%8C";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "بازگشت صحیح اگر هر دو ورودی با یکدیگر برابر باشد.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "بازگرداندن صحیح اگر ورودی اول بزرگتر از ورودی دوم باشد.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "بازگرداندن صحیح اگر ورودی اول بزرگتر یا مساوی یا ورودی دوم باشد.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "بازگرداندن صحیح اگر ورودی اول کوچکتر از ورودی دوم باشد.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "بازگرداندن صحیح اگر ورودی اول کوچکتر یا مساوی با ورودی دوم باشد.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "برگرداندن صحیح اگر هر دو ورودی با یکدیگر برابر نباشند.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "نه %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "صجیج باز می‌گرداند اگر ورودی نا صحیح باشند. ناصحیح بازمی‌گرداند اگر ورودی صحیح باشد.";
-Blockly.Msg["LOGIC_NULL"] = "تهی";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "تهی بازمی‌گرداند.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "و";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "یا";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "بازگرداندن صحیح اگر هر دو ورودی صحیح باشد.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "بازگرداندن صحیح اگر یکی از دو ورودی صحیح باشد.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "آزمایش";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "اگر ناصحیح";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "اگر صحیح";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "بررسی وضعیت در «آزمایش». اگر وضعیت صحیح باشد، مقدار «اگر صحیح» را بر می‌گرداند در غیر اینصورت مقدار «اگر ناصحیح» را.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%AD%D8%B3%D8%A7%D8%A8";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "بازگرداندن مقدار جمع دو عدد.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "بازگرداندن باقی‌ماندهٔ دو عدد.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "بازگرداندن تفاوت دو عدد.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "بازگرداندن حاصلضرب دو عدد.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "بازگرداندن اولین عددی که از توان عدد دوم حاصل شده باشد.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%A7%D8%B5%D8%B7%D9%84%D8%A7%D8%AD_%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87%E2%80%8C%D9%86%D9%88%DB%8C%D8%B3%DB%8C#.D8.A7.D9.81.D8.B2.D8.A7.DB.8C.D8.B4_.D8.B4.D9.85.D8.A7.D8.B1.D9.86.D8.AF.D9.87";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "تغییر %1 با %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "افزودن یک عدد به متغیر '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%AB%D8%A7%D8%A8%D8%AA_%D8%B1%DB%8C%D8%A7%D8%B6%DB%8C";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "یکی از مقادیر مشترک را برمی‌گرداند: π (۳٫۱۴۱…)، e (۲٫۷۱۸...)، φ (۱٫۶۱۸)، sqrt(۲) (۱٫۴۱۴)، sqrt(۱/۲) (۰٫۷۰۷...) و یا ∞ (بی‌نهایت).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "محدودکردن %1 پایین %2 بالا %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "محدودکردن یک عدد بین محدودیت‌های مشخص‌شده (بسته).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "تقسیم شده بر";
-Blockly.Msg["MATH_IS_EVEN"] = "زوج است";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "منفی است";
-Blockly.Msg["MATH_IS_ODD"] = "فرد است";
-Blockly.Msg["MATH_IS_POSITIVE"] = "مثبت است";
-Blockly.Msg["MATH_IS_PRIME"] = "عدد اول است";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "بررسی می‌کند که آیا یک عدد زوج، فرد، اول، کامل، مثبت، منفی یا بخش‌پذیر عدد خاصی باشد را بررسی می‌کند. درست یا نادرست باز می‌گرداند.";
-Blockly.Msg["MATH_IS_WHOLE"] = "کامل است";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B9%D9%85%D9%84%DB%8C%D8%A7%D8%AA_%D9%BE%DB%8C%D9%85%D8%A7%D9%86%D9%87";
-Blockly.Msg["MATH_MODULO_TITLE"] = "باقی‌ماندهٔ %1 + %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "باقی‌ماندهٔ تقسیم دو عدد را بر می‌گرداند.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B9%D8%AF%D8%AF";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "یک عدد.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "میانگین فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "بزرگ‌ترین فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "میانهٔ فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "کوچکترین فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "مد فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "مورد تصادفی از فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "انحراف معیار فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "جمع فهرست";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "میانگین (میانگین ریاضی) مقادیر عددی فهرست را بر می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "بزرگ‌ترین عدد در فهرست را باز می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "میانهٔ عدد در فهرست را بر می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "کوچک‌ترین عدد در فهرست را باز می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "شایع‌ترین قلم(های) در فهرست را بر می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "موردی تصادفی از فهرست را بر می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "انحراف معیار فهرست را بر می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "جمع همهٔ عددهای فهرست را باز می‌گرداند.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%AA%D9%88%D9%84%DB%8C%D8%AF_%D8%A7%D8%B9%D8%AF%D8%A7%D8%AF_%D8%AA%D8%B5%D8%A7%D8%AF%D9%81%DB%8C";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "کسر تصادفی";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "بازگرداندن کسری تصادفی بین ۰٫۰ (بسته) تا ۱٫۰ (باز).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%AA%D9%88%D9%84%DB%8C%D8%AF_%D8%A7%D8%B9%D8%AF%D8%A7%D8%AF_%D8%AA%D8%B5%D8%A7%D8%AF%D9%81%DB%8C";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "عدد صحیح تصادفی بین %1 تا %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "یک عدد تصادفی بین دو مقدار مشخص‌شده به صورت بسته باز می‌گرداند.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B1%D9%88%DB%8C%D9%87_%28%D8%B9%D9%84%D9%88%D9%85_%D8%B1%D8%A7%DB%8C%D8%A7%D9%86%D9%87%29";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "گردکردن";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "گرد به پایین";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "گرد به بالا";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "گردکردن یک عدد به بالا یا پایین.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B1%DB%8C%D8%B4%D9%87_%D8%AF%D9%88%D9%85";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "مطلق";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "ریشهٔ دوم";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "قدر مطلق یک عدد را بازمی‌گرداند.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "بازگرداندن توان e یک عدد.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "لوگاریتم طبیعی یک عدد را باز می‌گرداند.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "بازگرداندن لگاریتم بر پایهٔ ۱۰ یک عدد.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "منفی‌شدهٔ یک عدد را باز می‌گرداند.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "بازگرداندن توان ۱۰ یک عدد.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "ریشهٔ دوم یک عدد را باز می‌گرداند.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%AA%D8%A7%D8%A8%D8%B9%E2%80%8C%D9%87%D8%A7%DB%8C_%D9%85%D8%AB%D9%84%D8%AB%D8%A7%D8%AA%DB%8C";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "بازگرداندن آرک‌کسینوس درجه (نه رادیان).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "بازگرداندن آرک‌سینوس درجه (نه رادیان).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "بازگرداندن آرک‌تانژانت درجه (نه رادیان).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "بازگرداندن کسینوس درجه (نه رادیان).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "بازگرداندن سینوس درجه (نه رادیان).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "بازگرداندن تانژانت یک درجه (نه رادیان).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "متغیر تازه...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "نام متغیر تازه:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "اجازه اظهارات";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "با:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B1%D9%88%DB%8C%D9%87_%28%D8%B9%D9%84%D9%88%D9%85_%D8%B1%D8%A7%DB%8C%D8%A7%D9%86%D9%87%29";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "اجرای تابع تعریف‌شده توسط کاربر «%1».";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B1%D9%88%DB%8C%D9%87_%28%D8%B9%D9%84%D9%88%D9%85_%D8%B1%D8%A7%DB%8C%D8%A7%D9%86%D9%87%29";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "اجرای تابع تعریف‌شده توسط کاربر «%1» و استفاده از خروجی آن.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "با:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "ساختن «%1»";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "انجام چیزی";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "به";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "تابعی می‌سازد بدون هیچ خروجی.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "بازگشت";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "تابعی با یک خروجی می‌سازد.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "اخطار: این تابعی پارامتر تکراری دارد.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "برجسته‌سازی تعریف تابع";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "اگر یک مقدار صحیح است، مقدار دوم را برگردان.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "اخطار: این بلوک احتمالاً فقط داخل یک تابع استفاده می‌شود.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "نام ورودی:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "اضافه کردن ورودی به تابع.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "ورودی‌ها";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "افزودن، حذف یا دوباره مرتب‌کردن ورودی این تابع.";
-Blockly.Msg["REDO"] = "Redo";  // untranslated
-Blockly.Msg["REMOVE_COMMENT"] = "حذف نظر";
-Blockly.Msg["RENAME_VARIABLE"] = "تغییر نام متغیر...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "تغییر نام همهٔ متغیرهای «%1» به:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "به %1 الحاق متن %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "الحاق متنی به متغیر «%1».";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "به حروف کوچک";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "به حروف بزرگ عنوان";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "به حروف بزرگ";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "بازگرداندن کپی متن در حالتی متفاوت.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "گرفتن اولین حرف";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "گرفتن حرف # از آخر";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "گرفتن حرف #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "گرفتن آخرین حرف";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "گرفتن حرف تصادفی";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "حرفی در موقعیت مشخص‌شده بر می‌گرداند.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "افزودن یک مورد به متن.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "عضویت";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "اضافه، حذف یا ترتیب‌سازی قسمت‌ها برای تنظیم مجدد این بلوک اگر مسدود است.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "به حرف # از انتها";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "به حرف #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "گرفتن آخرین حرف";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "مہ نبشتہ‌ئا";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "گرفتن زیرمتن از اولین حرف";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "گرفتن زیرمتن از حرف # به انتها";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "گرفتن زیرمتن از حرف #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "قسمت مشخصی‌شده‌ای از متن را بر می‌گرداند.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "اولین رخداد متن را بیاب";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "آخرین رخداد متن را بیاب";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "در متن %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "شاخصی از اولین آخرین رخ‌داد متن اول در متن دوم بر می‌گرداند. اگر متن یافت نشد %1 باز می‌گرداند.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 خالی است";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "اضافه‌کردن صحیح اگر متن فراهم‌شده خالی است.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "ایجاد متن با";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "یک تکه‌ای از متن را با چسپاندن همهٔ تعداد از موارد ایجاد می‌کند.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "طول %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "بازگرداندن عددی از حروف (شامل فاصله‌ها) در متن فراهم‌شده.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "چاپ %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "چاپ متن، عدد یا هر مقدار دیگر مشخص‌شده.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "اعلان برای کاربر با یک عدد.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "اعلان برای کاربر برای یک متن.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "اعلان برای عدد با پیام";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "اعلان برای متن با پیام";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B1%D8%B4%D8%AA%D9%87_%28%D8%B9%D9%84%D9%88%D9%85_%D8%B1%D8%A7%DB%8C%D8%A7%D9%86%D9%87%29";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "یک حرف، کلمه یا خطی از متن.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "تراشیدن فاصله‌ها از  هر دو طرف";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "تراشیدن فاصله‌ها از  طرف چپ";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "تراشیدن فاصله‌ها از  طرف چپ";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "کپی از متن با فاصله‌های حذف‌شده از یک یا هر دو پایان باز می‌گرداند.";
-Blockly.Msg["TODAY"] = "Today";  // untranslated
-Blockly.Msg["UNDO"] = "Undo";  // untranslated
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "مورد";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "درست‌کردن «تنظیم %1»";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "مقدار این متغیر را بر می‌گرداند.";
-Blockly.Msg["VARIABLES_SET"] = "مجموعه %1 به %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "درست‌کردن «تنظیم %1»";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "متغیر برابر با خروجی را مشخص می‌کند.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/be-tarask.js b/msg/js/be-tarask.js
deleted file mode 100644
index 1f46d4704ad..00000000000
--- a/msg/js/be-tarask.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Дадаць камэнтар";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Немагчыма выдаліць зьменную «%1», таму што яна зьяўляецца часткай вызначэньня функцыі «%2»";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Зьмяніць значэньне:";
-Blockly.Msg["CLEAN_UP"] = "Ачысьціць блёкі";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Згорнутыя блёкі ўтрымліваюць папярэджаньні.";
-Blockly.Msg["COLLAPSE_ALL"] = "Згарнуць блёкі";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Згарнуць блёк";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "колер 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "колер 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "дзеля";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "зьмяшаць";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Зьмешвае два колеры ў дадзенай прапорцыі (0.0 — 1.0)";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://be-x-old.wikipedia.org/wiki/%D0%9A%D0%BE%D0%BB%D0%B5%D1%80";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Абярыце колер з палітры.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "выпадковы колер";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Абраць выпадковы колер.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "сіняга";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "зялёнага";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "чырвонага";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "колер з";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Стварыць колер з абранымі прапорцыямі чырвонага, зялёнага і сіняга. Усе значэньні павінны быць ад 0 да 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "перарваць цыкль";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "працягнуць з наступнага кроку цыклю";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Спыніць гэты цыкль.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Прапусьціць рэшту цыклю і перайсьці да наступнага кроку.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Увага: гэты блёк можа быць выкарыстаны толькі ў цыклі.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "для кожнага элемэнта %1 у сьпісе %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Для кожнага элемэнту сьпісу прысвойвае зьменнай '%1' ягонае значэньне і выконвае пэўныя апэрацыі.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "лічыць з %1 ад %2 да %3 па %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Прысвойвае зьменнай \"%1\" значэньні ад пачатковага да канчатковага значэньня, улічваючы зададзены крок, і выконвае абраныя блёкі.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Дадаць умову да блёку «калі».";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Дадаць заключную ўмову для ўсіх астатніх варыянтаў блёку «калі».";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Дадаць, выдаліць ці пераставіць сэкцыі для пераканфігураваньня гэтага блёку «калі».";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "інакш";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "інакш, калі";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "калі";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Калі значэньне ісьціна, выканаць пэўныя апэрацыі.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Калі значэньне ісьціна, выканаць першы блёк апэрацыяў, інакш выканаць другі блёк.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Калі першае значэньне ісьціна, выканаць першы блёк апэрацыяў. Інакш, калі другое значэньне ісьціна, выканаць другі блёк апэрацыяў.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Калі першае значэньне ісьціна, выканаць першы блёк апэрацыяў. Інакш, калі другое значэньне ісьціна, выканаць другі блёк апэрацыяў. Калі ніводнае з значэньняў не сапраўднае, выканаць апошні блёк апэрацыяў.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "выканаць";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "паўтарыць %1 раз(ы)";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Выконвае апэрацыі некалькі разоў.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "паўтараць, пакуль не";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "паўтараць, пакуль";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Пакуль значэньне хлусьня, выконваць пэўныя апэрацыі.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Пакуль значэньне ісьціна, выконваць пэўныя апэрацыі.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Выдаліць усе блёкі %1?";
-Blockly.Msg["DELETE_BLOCK"] = "Выдаліць блёк";
-Blockly.Msg["DELETE_VARIABLE"] = "Выдаліць зьменную «%1»";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Выдаліць %1 выкарыстаньняў зьменнай «%2»?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Выдаліць %1 блёкі";
-Blockly.Msg["DISABLE_BLOCK"] = "Адключыць блёк";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Капіяваць";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Прадубляваць камэнтар";
-Blockly.Msg["ENABLE_BLOCK"] = "Уключыць блёк";
-Blockly.Msg["EXPAND_ALL"] = "Разгарнуць блёкі";
-Blockly.Msg["EXPAND_BLOCK"] = "Разгарнуць блёк";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Зьнешнія ўваходы";
-Blockly.Msg["HELP"] = "Дапамога";
-Blockly.Msg["INLINE_INPUTS"] = "Унутраныя ўваходы";
-Blockly.Msg["IOS_CANCEL"] = "Адмяніць";
-Blockly.Msg["IOS_ERROR"] = "Памылка";
-Blockly.Msg["IOS_OK"] = "Добра";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Дадаць уваходныя зьвесткі";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Дазволіць сьцьверджаньні";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Уваходныя зьвесткі гэтай функцыі дублююцца.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "УВАХОДНЫЯ ЗЬВЕСТКІ";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Дадаць";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Дадаць зьменную";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Выдаліць";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Вы ня можаце выкарыстоўваць пустую назву зьменнай.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Перайменаваць";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Назва зьменнай";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "стварыць пусты сьпіс";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Вяртае сьпіс даўжынёй 0, які ня ўтрымлівае запісаў зьвестак";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "сьпіс";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Дадаць, выдаліць ці пераставіць сэкцыі для пераканфігураваньня гэтага блёку.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "стварыць сьпіс з";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Дадаць элемэнт да сьпісу.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Ставарае сьпіс зь любой колькасьцю элемэнтаў.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "першы";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "№ з канца";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "атрымаць";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "атрымаць і выдаліць";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "апошні";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "выпадковы";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "выдаліць";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Вяртае першы элемэнт у сьпісе.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Вяртае элемэнт у пазначанай пазыцыі ў сьпісе.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Вяртае апошні элемэнт у сьпісе.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Вяртае выпадковы элемэнт у сьпісе.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Выдаляе і вяртае першы элемэнт у сьпісе.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Выдаляе і вяртае элемэнт у пазначанай пазыцыі ў сьпісе.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Выдаляе і вяртае апошні элемэнт у сьпісе.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Выдаляе і вяртае выпадковы элемэнт у сьпісе.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Выдаляе першы элемэнт у сьпісе.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Выдаляе элемэнт у пазначанай пазыцыі ў сьпісе.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Выдаляе апошні элемэнт у сьпісе.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Выдаляе выпадковы элемэнт у сьпісе.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "па № з канца";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "да #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "да апошняга";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "атрымаць падсьпіс зь першага";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "атрымаць падсьпіс з № з канца";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "атрымаць падсьпіс з №";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Стварае копію пазначанай часткі сьпісу.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "№%1 — апошні элемэнт.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "№%1 — першы элемэнт.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "знайсьці першае ўваходжаньне элемэнту";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "знайсьці апошняе ўваходжаньне элемэнту";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Вяртае індэкс першага/апошняга ўваходжаньня элемэнту ў сьпіс. Вяртае %1, калі элемэнт ня знойдзены.";
-Blockly.Msg["LISTS_INLIST"] = "у сьпісе";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 пусты";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Вяртае значэньне ісьціна, калі сьпіс пусты.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "даўжыня %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Вяртае даўжыню сьпісу.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "стварыць сьпіс з элемэнту %1, які паўтараецца %2 разоў";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Стварае сьпіс, які ўтрымлівае пададзеную колькасьць копіяў элемэнту.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "адваротна %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Зьмяняе парадак копіі сьпісу на адваротны.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "як";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "уставіць у";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "усталяваць";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Устаўляе элемэнт у пачатак сьпісу.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Устаўляе элемэнт у пазначанай пазыцыі ў сьпісе.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Дадае элемэнт у канец сьпісу.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Выпадковым чынам устаўляе элемэнт у сьпіс.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Задае першы элемэнт у сьпісе.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Задае элемэнт у пазначанай пазыцыі ў сьпісе.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Задае апошні элемэнт у сьпісе.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Задае выпадковы элемэнт у сьпісе.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "па павелічэньні";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "па зьмяншэньні";
-Blockly.Msg["LISTS_SORT_TITLE"] = "сартаваць %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Сартаваць копію сьпісу.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "паводле альфабэту, ігнараваць рэгістар";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "як лікі";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "паводле альфабэту";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "стварыць сьпіс з тэксту";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "стварыць тэкст са сьпісу";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Аб’ядноўвае сьпіс тэкстаў у адзін тэкст па падзяляльніках.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Падзяліць тэкст у сьпіс тэкстаў, па падзяляльніках.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "з падзяляльнікам";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "хлусьня";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Вяртае «ісьціна» ці «хлусьня».";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "ісьціна";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://be-x-old.wikipedia.org/wiki/%D0%9D%D1%8F%D1%80%D0%BE%D1%9E%D0%BD%D0%B0%D1%81%D1%8C%D1%86%D1%8C";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Вяртае «ісьціна», калі абодва ўводы роўныя.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Вяртае «ісьціна», калі першы ўвод большы за другі.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Вяртае «ісьціна», калі першы ўвод большы ці роўны другому.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Вяртае «ісьціна», калі першы ўвод меншы за другі.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Вяртае «ісьціна», калі першы ўвод меншы ці роўны другому.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Вяртае «ісьціна», калі абодва ўводы ня роўныя.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "не %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Вяртае «ісьціна», калі ўвод непраўдзівы. Вяртае «хлусьня», калі ўвод праўдзівы.";
-Blockly.Msg["LOGIC_NULL"] = "нічога";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Вяртае нічога.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "і";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ці";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Вяртае «ісьціна», калі абодва ўводы праўдзівыя.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Вяртае «ісьціна», калі прынамсі адзін з уводаў праўдзівы.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "тэст";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "калі хлусьня";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "калі ісьціна";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Праверыць умову ў 'тэст'. Калі ўмова праўдзівая, будзе вернутае значэньне «калі ісьціна»; інакш будзе вернутае «калі хлусьня».";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://be-x-old.wikipedia.org/wiki/%D0%90%D1%80%D1%8B%D1%82%D0%BC%D1%8D%D1%82%D1%8B%D0%BA%D0%B0";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Вяртае суму двух лікаў.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Вяртае дзель двух лікаў.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Вяртае рознасьць двух лікаў.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Вяртае здабытак двух лікаў.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Вяртае першы лік у ступені другога ліку.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 ад X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Вяртае арктангенс пункту (X, Y) у градусах ад -180 да 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "зьмяніць %1 на %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Дадае лічбу да зьменнай '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://be-x-old.wikipedia.org/wiki/%D0%9C%D0%B0%D1%82%D1%8D%D0%BC%D0%B0%D1%82%D1%8B%D1%87%D0%BD%D0%B0%D1%8F_%D0%BA%D0%B0%D0%BD%D1%81%D1%82%D0%B0%D0%BD%D1%82%D0%B0";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Вяртае адну з агульных канстантаў: π (3.141...), e (2.718...), φ (1.618...), sqrt(2) (1.414...), sqrt(½) (0,707...) або ∞ (бясконцасьць).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "абмежаваць %1 зьнізу %2 зьверху %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Абмяжоўвае колькасьць ніжняй і верхняй межамі (уключна).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "дзеліцца на";
-Blockly.Msg["MATH_IS_EVEN"] = "парная";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "адмоўная";
-Blockly.Msg["MATH_IS_ODD"] = "няпарная";
-Blockly.Msg["MATH_IS_POSITIVE"] = "дадатная";
-Blockly.Msg["MATH_IS_PRIME"] = "простая";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Правярае, ці зьяўляецца лік парным, няпарным, простым, станоўчым, адмоўным, ці ён дзеліцца на пэўны лік без астатку. Вяртае значэньне ісьціна або няпраўда.";
-Blockly.Msg["MATH_IS_WHOLE"] = "цэлая";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "рэшта дзяленьня %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Вяртае рэшту дзяленьня двух лікаў.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://be-x-old.wikipedia.org/wiki/%D0%9B%D1%96%D0%BA";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Лік.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "сярэдняя ў сьпісе";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "мінімальная ў сьпісе";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "мэдыяна сьпісу";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "мінімальная ў сьпісе";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "рэжымы сьпісу";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "выпадковы элемэнт сьпісу";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "стандартнае адхіленьне сьпісу";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "Сума сьпісу";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Вяртае сярэднеарытмэтычнае значэньне лікавых значэньняў у сьпісе.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Вяртае найменшы лік у сьпісе.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Вяртае мэдыяну сьпісу.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Вяртае найменшы лік у сьпісе.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Вяртае сьпіс самых распаўсюджаных элемэнтаў у сьпісе.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Вяртае выпадковы элемэнт сьпісу.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Вяртае стандартнае адхіленьне сьпісу.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Вяртае суму ўсіх лікаў у сьпісе.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "выпадковая дроб";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Вяртае выпадковую дроб у дыяпазоне ад 0,0 (уключна) да 1,0.";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "выпадковая цэлая з %1 для %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Вяртае выпадковы цэлы лік паміж двума зададзенымі абмежаваньнямі ўключна.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "акругліць";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "акругліць да меншага";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "акругліць да большага";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Акругленьне ліку да большага ці меншага.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://be-x-old.wikipedia.org/wiki/%D0%9A%D0%B2%D0%B0%D0%B4%D1%80%D0%B0%D1%82%D0%BD%D1%8B_%D0%BA%D0%BE%D1%80%D0%B0%D0%BD%D1%8C";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "модуль";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "квадратны корань";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Вяртае модуль ліку.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Вяртае e ў ступені ліку.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Вяртае натуральны лягарытм ліку.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Вяртае дзесятковы лягарытм ліку.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Вяртае супрацьлеглы лік.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Вяртае 10 у ступені ліку.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Вяртае квадратны корань ліку.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://be-x-old.wikipedia.org/wiki/%D0%A2%D1%80%D1%8B%D0%B3%D0%B0%D0%BD%D0%B0%D0%BC%D1%8D%D1%82%D1%80%D1%8B%D1%8F#.D0.A2.D1.80.D1.8B.D0.B3.D0.B0.D0.BD.D0.B0.D0.BC.D1.8D.D1.82.D1.80.D1.8B.D1.87.D0.BD.D1.8B.D1.8F_.D1.84.D1.83.D0.BD.D0.BA.D1.86.D1.8B.D1.96";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Вяртае арккосынус ліку.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Вяртае арксынус ліку.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Вяртае арктангэнс ліку.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Вяртае косынус кута ў градусах.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Вяртае сынус кута ў градусах.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Вяртае тангэнс кута ў градусах.";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Стварыць зьменную колеру…";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Стварыць лікавую зьменную…";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Стварыць радковую зьменную…";
-Blockly.Msg["NEW_VARIABLE"] = "Стварыць зьменную…";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Імя новай зьменнай:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Новы тып зьменнай:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "дазволіць зацьвярджэньне";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "з:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Запусьціць функцыю вызначаную карыстальнікам '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Запусьціць функцыю вызначаную карыстальнікам '%1' і выкарыстаць яе вынік.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "з:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Стварыць '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Апішыце гэтую функцыю…";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "зрабіць што-небудзь";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "да";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Стварае функцыю бяз выніку.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "вярнуць";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Стварае функцыю з вынікам.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Увага: гэтая функцыя мае парамэтры-дублікаты.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Падсьвяціць вызначэньне функцыі";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Калі значэньне ісьціна, вярнуць другое значэньне.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Папярэджаньне: гэты блёк можа выкарыстоўвацца толькі ў вызначанай функцыі.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "назва парамэтру:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Дадаць уваходныя парамэтры ў функцыю.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "парамэтры";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Дадаць, выдаліць ці запісаць чаргу ўваходных парамэтраў для гэтай функцыі.";
-Blockly.Msg["REDO"] = "Паўтарыць";
-Blockly.Msg["REMOVE_COMMENT"] = "Выдаліць камэнтар";
-Blockly.Msg["RENAME_VARIABLE"] = "Перайменаваць зьменную…";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Перайменаваць усе назвы зьменных '%1' на:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "да %1 дадаць тэкст %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Дадаць які-небудзь тэкст да зьменнай '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "да ніжняга рэгістру";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "Вялікія Першыя Літары";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "да ВЕРХНЯГА РЭГІСТРУ";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Вярнуць копію тэксту зь іншай велічынёй літар.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "узяць першую літару";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "узяць літару № з канца";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "узяць літару №";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "узяць апошнюю літару";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "узяць выпадковую літару";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "у тэксьце %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Вяртае літару ў пазначанай пазыцыі.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "падлічыць %1 сярод %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Падлічвае колькі разоў нейкі тэкст сустракаецца ўнутры нейкага іншага тэксту.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Дадаць элемэнт да тэксту.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "далучыць";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Дадайце, выдаліце ці зьмяніце парадак разьдзелаў для перадачы тэкставага блёку.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "да літары № з канца";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "да літары №";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "да апошняй літары";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "у тэксьце";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "атрымаць падрадок зь першай літары";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "узяць падрадок зь літары № з канца";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "узяць падрадок зь літары №";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Вяртае пазначаную частку тэксту.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "знайсьці першае ўваходжаньне тэксту";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "знайсьці апошняе ўваходжаньне тэксту";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "у тэксьце %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Вяртае індэкс першага/апошняга ўваходжаньня першага тэксту ў другі тэкст. Вяртае %1, калі тэкст ня знойдзены.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 пусты";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Вяртае значэньне ісьціна, калі тэкст пусты.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "стварыць тэкст з";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Стварае фрагмэнт тэксту аб’яднаньнем любой колькасьці элемэнтаў.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "даўжыня %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Вяртае колькасьць літараў (у тым ліку прабелы) у пададзеным тэксьце.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "друкаваць %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Надрукаваць пазначаны тэкст, лічбу ці іншыя сымбалі.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Запытаць у карыстальніка лічбу.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Запытаць у карыстальніка тэкст.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "запытаць лічбу з падказкай";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "запытаць тэкст з падказкай";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "замяніць %1 на %2 у %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Замяняе ўсе выпадкі нейкага тэксту на іншы тэкст.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "адваротна %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Мяняе парадак сымбаляў у тэксьце на адваротны.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Літара, слова ці радок тэксту.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "абрэзаць прабелы з абодвух бакоў";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "абрэзаць прабелы зь левага боку";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "абрэзаць прабелы з правага боку";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Вяртае копію тэксту з прабеламі, выдаленымі ад аднаго ці абодвух бакоў.";
-Blockly.Msg["TODAY"] = "Сёньня";
-Blockly.Msg["UNDO"] = "Скасаваць";
-Blockly.Msg["UNNAMED_KEY"] = "безназоўны";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "аб’ект";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Стварыць блёк «усталяваць %1»";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Вяртае значэньне гэтай зьменнай.";
-Blockly.Msg["VARIABLES_SET"] = "усталяваць %1 да %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Стварыць блёк «атрымаць %1»";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Надаць гэтай зьменнай значэньне ўстаўкі.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Зьменная з назвай «%1» ужо існуе.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Зьменная з назвай «%1» ужо існуе зь іншым тыпам: «%2».";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Працоўная прастора Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Напішыце што-небудзь…";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/be.js b/msg/js/be.js
deleted file mode 100644
index dd82192c963..00000000000
--- a/msg/js/be.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Дадаць каментарый";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Немагчыма выдаліць пераменную '%1', паколькі яна з'яўляецца часткай вызначэння функцыі '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Змяніць значэння:";
-Blockly.Msg["CLEAN_UP"] = "Выраўнаваць блокі";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Згарнуць блокі";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Згарнуць блок";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "колер 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "колер 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "суадносіны";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "змяшаць";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Змешвае два колеры разам у паказаных суадносінах (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://be.wikipedia.org/wiki/Колер";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Выбраць колер з палітры.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "выпадковы колер";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Выбраць колер наўздагад.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "сіні";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "зялёны";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "чырвоны";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "колер з";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Стварыць колер з названымі ўзроўнямі чырвонага, зялёнага і сіняга. Усе значэння павінны быць ад 0 да 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "перарваць цыкл";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "прадоўжыць з наступнай ітэрацыі цыклу";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Перарваць выкананне цыкла.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Прапусціць рэшту гэтага цыкла і перайсці да выканання наступнай ітэрацыі.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Папярэджанне: гэты блок можа быць выкарыстаны толькі ў межах цыклу.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "для кожнага элемента %1 у спісе %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Для кожнага элемента ў спісе пераменная '%1' атрымлівае значэнне элемента, а затым выконваюцца пэўныя дзеянні.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "лічыць з %1 ад %2 да %3 праз %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Наяўная пераменная '%1' прымае значэнні ад пачатковага да канчатковага, улічваючы зададзены інтэрвал, і выконваюцца названыя блокі.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Дадайце ўмову да блоку 'калі'";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Дадаць канчатковую, ўсёабдымную ўмову ў блок 'калі'.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Дадайце, выдаліце або змяніце парадак секцыяў, каб пераналадзіць гэты блок 'калі'.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "інакш";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "інакш калі";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "калі";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Калі значэнне ісцінае, то выканаць пэўныя дзеянні.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Калі значэнне ісцінае, то выконваецца першы блок аператараў. У адваротным выпадку выконваецца другі блок аператараў.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Калі першае значэнне ісцінае, то выконваецца першы блок аператараў. У адваротным выпадку, калі другое значэнне ісцінае, то выконваецца другі блок аператараў.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Калі першае значэнне ісцінае, то выконваецца першы блок аператараў. У адваротным выпадку, калі другое значэнне ісцінае, то выконваецца другі блок аператараў. Калі ні адно з значэнняў не з'яўляецца ісціным, то выконваецца апошні блок аператараў.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://be.wikipedia.org/wiki/Цыкл_(праграмаванне)";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "выканаць";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "паўтарыць %1 разоў";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Выканаць пэўныя дзеянні некалькі разоў.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "паўтараць, пакуль не";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "паўтараць, пакуль";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Пакуль значэнне ілжывае, выконваць пэўныя дзеянні.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Пакуль значэнне ісцінае, выконваць пэўныя дзеянні.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Выдаліць усе блокі %1?";
-Blockly.Msg["DELETE_BLOCK"] = "Выдаліць блок";
-Blockly.Msg["DELETE_VARIABLE"] = "Выдаліць пераменную '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Выдаліць %1 выкарыстання пераменнай '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Выдаліць %1 блокаў";
-Blockly.Msg["DISABLE_BLOCK"] = "Адключыць блок";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Дубляваць";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Уключыць блок";
-Blockly.Msg["EXPAND_ALL"] = "Разгарнуць блокі";
-Blockly.Msg["EXPAND_BLOCK"] = "Разгарнуць блок";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Знешнія ўваходы";
-Blockly.Msg["HELP"] = "Даведка";
-Blockly.Msg["INLINE_INPUTS"] = "Убудаваныя ўваходы";
-Blockly.Msg["IOS_CANCEL"] = "Адмяніць";
-Blockly.Msg["IOS_ERROR"] = "Памылка";
-Blockly.Msg["IOS_OK"] = "Добра";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Дадаць уваходную пераменную";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Дазволіць аператары";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "У гэтай функцыі ёсць уваходныя пераменныя, якія дубліруюцца.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "УВАХОД";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Дадаць";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Дадаць пераменную";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Выдаліць";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Вы не можаце выкарыстоўваць пустое імя пераменнай.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Перайменаваць";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Назва пераменнай";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "стварыць пусты спіс";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Вяртае спіс даўжыні 0, які не ўтрымлівае дадзеных";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "спіс";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Дадайце, выдаліце, перастаўце элементы для пераробкі блока спісу.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "стварыць спіс з";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Дадае элемент да спісу.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Стварае спіс з любым лікам элементаў.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "першы";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# з канца";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "узяць";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "узяць і выдаліць";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "апошні";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "адвольны";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "выдаліць";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Вяртае першы элемент спіса.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Вяртае элемент ва ўказанай пазіцыі спіса.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Вяртае апошні элемент спіса.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Вяртае выпадковы элемент спіса.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Видаляє і повертає перший елемент списку.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Выдаляе і вяртае элемент ва ўказанай пазіцыі спіса.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Видаляє і повертає апошні элемент спіса.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Видаляє і повертає выпадковы элемент спіса.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Видаляє першы элемент спіса.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Видаляє элемент ва ўказанай пазіцыі спіса.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Видаляє апошні элемент спіса.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Видаляє выпадковы элемент спіса.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "па # з канца";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "па #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "па апошні";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "узяць падспіс з першага";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "узяць падспіс з # з канца";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "узяць падспіс з #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Стварае копію ўказанай частцы спісу.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 - апошні элемент.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 - першы элемент.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "знайсці першае ўваходжанне элемента";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "знайсці апошняе ўваходжанне элемента";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Вяртае нумар пазіцыі першага/апошняга ўваходжання элемента ў спісе. Вяртае %1, калі элемент не знойдзены.";
-Blockly.Msg["LISTS_INLIST"] = "у спісе";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 пусты";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Вяртае значэнне ісціна, калі спіс пусты.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "даўжыня %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Вяртае даўжыню спісу.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "стварыць спіс з элемента %1, паўтаральнага %2 разоў";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Стварае спіс, які складаецца з зададзенага ліку копій элемента.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "змяніць парадак на зваротны %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Змяніць парадак спісу на адваротны.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "=";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "уставіць у";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "прысабечыць";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Устаўляе элемент у пачатак спіса.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Устаўляе элемент ва ўказанай пазіцыі спіса.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Дадае элемент у канец спісу.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Устаўляе элемент у выпадковае месца ў спісе.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Прысабечвае значэнне элемента спісу.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Прысабечвае значэнне элемента ва ўказанай пазіцыі спіса.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Прысабечвае значэнне элемента спісу.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Прысабечвае значэнне элемента спісу.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "па ўзрастанню";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "па спаданню";
-Blockly.Msg["LISTS_SORT_TITLE"] = "сартаваць %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Сартаваць копію спісу.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "па алфавіце, без уліку рэгістра";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "лікавая";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "па алфавіце";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "зрабіць спіс з тэксту";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "сабраць тэкст са спісу";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Злучае спіс тэкстаў у адзін тэкст з падзельнікамі.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Разбівае тэкст у спіс тэкстаў па падзельнікам.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "з падзельнікам";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "хлусня";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Вяртае значэнне ісціна або хлусня.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "ісціна";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://be.wikipedia.org/wiki/Няроўнасць";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Вяртае станоўчае значэнне, калі абодва ўводы роўныя адзін аднаму.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Вяртае значэнне ісціна, калі першая ўстаўка больш другой.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Вяртае значэнне ісціна, калі першая ўстаўка больш або роўная другой.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Вяртае станоўчае значэнне, калі першы ўвод менш другога.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Вяртае значэнне ісціна, калі першая ўстаўка менш або роўная другі.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Вяртае станоўчае значэнне, калі ўводы не роўныя.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "не %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Вяртае значэнне ісціна, калі устаўка ілжывая. Вяртае значэнне хлусня, калі устаўка ісцінная.";
-Blockly.Msg["LOGIC_NULL"] = "нішто";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Вяртае нішто.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "і";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ці";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Вяртае значэнне ісціна, калі абедзве ўстаўкі ісцінныя.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Вяртае значэнне ісціна, калі хаця б адна з уставак ісцінная.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "абраць па";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "калі хлусня";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "калі ісціна";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Правярае ўмову выбару. Калі ўмова ісцінная, вяртае першае значэнне, у адваротным выпадку вяртае другое значэнне.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://be.wikipedia.org/wiki/Арыфметыка";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Вяртае суму двух лікаў.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Вяртае дзель ад дзялення першага ліку на другое.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Вяртае рознасць двух лікаў.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Вяртае твор двух лікаў.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Вяртае першы лік, узведзены ў ступень другога ліку.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://be.wikipedia.org/wiki/Ідыёма (праграмаванне)";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "павялічыць %1 на %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Дадае лік да пераменнай '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://be.wikipedia.org/wiki/Матэматычная_канстанта";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Вяртае адну з распаўсюджаных канстант: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), або ∞ (бясконцасць).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "абмежаваць %1 знізу %2 зверху %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Абмяжоўвае лік ніжняй і верхняй межамі (уключна).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "дзеліцца на";
-Blockly.Msg["MATH_IS_EVEN"] = "цотнае";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "адмоўнае";
-Blockly.Msg["MATH_IS_ODD"] = "няцотнае";
-Blockly.Msg["MATH_IS_POSITIVE"] = "станоўчае";
-Blockly.Msg["MATH_IS_PRIME"] = "простае";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Правярае, ці з'яўляецца лік цотным, няцотным, простым, цэлым, станоўчым, адмоўным ці яно кратнае пэўнаму ліку. Вяртае значэнне ісціна або хлусня.";
-Blockly.Msg["MATH_IS_WHOLE"] = "цэлае";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://be.wikipedia.org/wiki/Дзяленне_з_астаткам";
-Blockly.Msg["MATH_MODULO_TITLE"] = "астатак ад %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Вяртае астатак ад дзялення двух лікаў.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://be.wikipedia.org/wiki/Лік";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Лік.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "сярэдняе арыфметычнае спісу";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "найбольшы ў спісе";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "медыяна спіса";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "найменшы ў спісе";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "моды спіса";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "выпадковы элемент спіса";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "стандартнае адхіленне спіса";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "сума спіса";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Вяртае сярэдняе арыфметычнае спісу.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Вяртае найбольшы лік спісу.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Вяртае медыяну спісуа.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Вяртае найменшы лік спісу.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Вяртае спіс найбольш часта сустракаемых элементаў спісу.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Вяртае выпадковы элемент спіса.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Вяртае стандартнае адхіленне спісу.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Вяртае суму ўсіх лікаў у спісе.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://be.wikipedia.org/wiki/Генератар_псевдослучайных_лікаў";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "выпадковы лік ад 0 (уключна) да 1";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Вяртае выпадковы лік ад 0.0 (уключна) да 1.0.";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://be.wikipedia.org/wiki/Генератар_псевдослучайных_лікаў";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "выпадковы цэлы лік ад %1 для %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Вяртае выпадковы лік паміж двума зададзенымі межамі (уключаючы і іх).";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://be.wikipedia.org/wiki/Акругленне";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "акругліць";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "акругліць да меншага";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "акругліць да большага";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Акругляе лік да большага ці меншага.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://be.wikipedia.org/wiki/Квадратны_корань";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "модуль";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "квадратны корань";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Вяртае модуль ліку.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Вяртае е ва ўказанай ступені.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Вяртае натуральны лагарыфм ліку.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Вяртае дзесятковы лагарыфм ліку.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Вяртае супрацьлеглы лік.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Вяртае 10 ва ўказанай ступені.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Вяртае квадратны корань ліку.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://be.wikipedia.org/wiki/Трыганаметрычныя_функцыі";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Вяртае арккосінус у градусах.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Вяртае арксінус у градусах.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Вяртае арктангенс у градусах.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Вяртае косінус рага ў градусах.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Вяртае сінус рага ў градусах.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Вяртае тангенс рага ў градусах.";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Стварыць пераменную...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Новая назва пераменнай:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "дазволіць аператары";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "з:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://be.wikipedia.org/wiki/Падпраграма";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Выконвае вызначаную карыстальнікам працэдуру '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://be.wikipedia.org/wiki/Падпраграма";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Выконвае вызначаную карыстальнікам працэдуру '%1' і вяртае вылічанае значэнне.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "з:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Стварыць выклік '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Апішыце гэтую функцыю...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "выканаць нешта";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "каб";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Стварыць працэдуру, якая ня вяртае значэнне.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "вярнуць";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Стварыць працэдуру, якая вяртае значэнне.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Папярэджанне: гэтая функцыя мае паўтаральныя параметры.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Вылучыць вызначэнне працэдуры";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Калі першае значэнне ісцінае, вяртае другое значэнне.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Папярэджанне: гэты блок можа выкарыстоўвацца толькі ўнутры вызначэння функцыі.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "імя параметра:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Дадаць уваходны параметр ў функцыю.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "параметры";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Дадаць, выдаліць або змяніць парадак уваходных параметраў для гэтай функцыі.";
-Blockly.Msg["REDO"] = "Паўтарыць";
-Blockly.Msg["REMOVE_COMMENT"] = "Выдаліць каментар";
-Blockly.Msg["RENAME_VARIABLE"] = "Перайменаваць пераменную...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Перайменаваць усе пераменныя '%1' да:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "да %1 дадаць тэкст %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Дадаць тэкст да пераменнай '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "у малыя літары";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "у Загалоўныя Пачатковыя Літары";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "у ВЯЛІКІХ ЛІТАРАЎ";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Вяртае копію тэксту з ВЯЛІКІМІ або малымі літарамі.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "узяць першую літару";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "узяць літару # з канца";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "узяць літару #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "узяць апошнюю літару";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "узяць выпадковую літару";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "у тэксце %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Вяртае літару ў названай пазіцыі.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "падлічыць колькасць %1 у %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Падлічыць колькі разоў урывак тэксту з'яўляецца ў іншым тэксце.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Дадаць элемент да тэксту.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "спалучыць";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Дадайце, выдаліце, перастаўце фрагменты для пераробкі тэкставага блока.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "па літару # з канца";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "па літару #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "па апошнюю літару";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "у тэксце";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "узяць падрадок з першай літары";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "узяць падрадок з літары # з канца";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "узяць падрадок з літары #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Вяртае указаную частку тэксту.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "знайсці першае ўваходжанне тэксту";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "знайсці апошняе ўваходжанне тэксту";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "у тэксце %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Вяртае нумар пазіцыі першага/апошняга ўваходжання першага тэксту ў другім. Вяртае %1, калі тэкст не знойдзены.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 пусты";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Вяртае значэнне ісціна, калі пададзены тэкст пусты.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "стварыць тэкст з";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Стварае фрагмент тэксту, аб'ядноўваючы любы лік элементаў.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "даўжыня %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Вяртае колькасць сімвалаў (уключаючы прабелы) у зададзеным тэксце.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "надрукаваць %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Друкуе тэкст, лік або іншы аб'ект.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Запытаць у карыстальніка лік.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Запытаць у карыстальніка тэкст.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "запытаць лік з падказкай";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "запытаць тэкст з падказкай";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "замяніць %1 на %2 у %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Замяніць усе ўваходжанні некаторага тэксту іншым тэкстам.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "змяніць парадак на зваротны %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Мяняе парадак знакаў у тэксце на адваротны.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://be.wikipedia.org/wiki/Радковы_тып";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Літара, слова або радок тэксту.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "абрэзаць прагалы з двух бакоў";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "абрэзаць прагалы злева";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "абрэзаць прагалы справа";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Вяртае копію тэксту з прагаламі, выдаленымі з аднаго або абодвух канцоў.";
-Blockly.Msg["TODAY"] = "Сёння";
-Blockly.Msg["UNDO"] = "Адкаціць";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "элемент";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Стварыць блок \"прысабечыць\" для %1";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Вяртае значэнне гэтай пераменнай.";
-Blockly.Msg["VARIABLES_SET"] = "прысабечыць %1 = %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Стварыць устаўку %1";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Прысабечвае пераменнай значэнне ўстаўкі.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Пераменная з назвай '%1' ужо існуе.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Назва пераменнай '%1' ужо выкарыстоўваецца іншай пераменнай тыпу '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/bg.js b/msg/js/bg.js
deleted file mode 100644
index 9fd82142a82..00000000000
--- a/msg/js/bg.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Добави коментар";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Променливата '%1' не може да бъде изтрита, защото е част от определението на функцията '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Промени стойността:";
-Blockly.Msg["CLEAN_UP"] = "Премахни блокове";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Свитите блокове съдържат предупреждения.";
-Blockly.Msg["COLLAPSE_ALL"] = "Скрий блокове";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Скрий блок";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "цвят 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "цвят 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "съотношение";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "смеси";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Смесва два цвят в дадено съотношение (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://bg.wikipedia.org/wiki/Цвят_(оптика)";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Избери цвят от палитрата.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "случаен цвят";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Избери цвят на случаен принцип.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "син";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "зелен";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "червен";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "оцвети с";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Създай цвят с избраните пропорции, червено, зелено и синьо. Всички стойности трябва да бъдат от 0 до 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "прекъсни цикъла";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "премини към следващата стъпка от цикъла";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Прекъсни цикъла, в който се съдържа тази команда.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Премини към следващата стъпка от цикъла";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Предупреждение: Този блок може да се използва само в цикъл.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "за всеки елемент %1 в списъка %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "За всеки елемент в даден списък, присвои елемента на променливата „%1“ и след това изпълни командите.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "преброй чрез %1 от %2 до %3 през %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Нека променлива '%1' премине през стойностите от началното до крайното число през зададената стъпка и изпълни избраните блокове.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Добави условие към „ако“ блока.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Добави окончателно, прихващащо всички останали случаи условие към блок „ако“.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Добави, премахни или пренареди частите, за да промениш този „ако“ блок.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "иначе";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "иначе ако";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ако";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Ако стойността е вярна, изпълни операциите.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Ако стойността е вярна, изпълни първият блок. Иначе, изпълни вторият блок.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Ако първата стойност е вярна, изпълни първия блок. Иначе, ако втората стойност е вярна, изпълни втория блок.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Ако първата стойност е вярна, изпълни първия блок. В противен случай, ако втората стойност е вярна, изпълни втория блок. Ако нито една от стойностите не е вярна, изпълни последния блок.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://bg.wikipedia.org/wiki/Цикъл_(програмиране)#For_.D1.86.D0.B8.D0.BA.D1.8A.D0.BB.D1.8A.D1.82";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "изпълни";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "Повтори %1 пъти";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Изпълнява команди няколко пъти.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "повтаряй докато";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "повтаряй докато е вярно, че";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Изпълни командите, ако стойността не е вярна.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Изпълни командите, ако стойността е вярна.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Изтриване на всички 1% блокове?";
-Blockly.Msg["DELETE_BLOCK"] = "Изтрий блок";
-Blockly.Msg["DELETE_VARIABLE"] = "Изтриване на променливата \"%1\"";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Изтриване на %1 използване на променлива '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Изтрий %1 блока";
-Blockly.Msg["DISABLE_BLOCK"] = "Деактивирай блок";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Копирай";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Дублиране на коментара";
-Blockly.Msg["ENABLE_BLOCK"] = "Активирай блок";
-Blockly.Msg["EXPAND_ALL"] = "Покажи блокове";
-Blockly.Msg["EXPAND_BLOCK"] = "Покажи блок";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Външни входове";
-Blockly.Msg["HELP"] = "Помощ";
-Blockly.Msg["INLINE_INPUTS"] = "Вътрешни входове";
-Blockly.Msg["IOS_CANCEL"] = "Отказ";
-Blockly.Msg["IOS_ERROR"] = "Грешка";
-Blockly.Msg["IOS_OK"] = "Добре";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Добавяне на данни";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Позволи твърденията";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Тази функция има дублирани входни данни.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "Входни данни";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Добавяне";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Добавяне на променлива";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Изтриване";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Не може да използвате празно име за променлива";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Преименуване";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Име на променливата";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "създай празен списък";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Връща списък с дължина 0, не съдържащ данни";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "списък";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Добави, премахни или пренареди частите, за да промениш този списъчен блок.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "създай списък с";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Добави елемент към текста.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Създай списък с произволен брой елементи.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "първия";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "№ от края";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "вземи";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "вземи и премахни";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "последния";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "произволен";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "премахни";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Връща първия елемент в списък.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Връща елемента на определената позиция в списък.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Връща последния елемент в списък.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Връща случаен елемент от списъка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Премахва и връща първия елемент в списък.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Премахва и връща елемента на определена позиция в списък.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Премахва и връща последния елемент в списък.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Премахва и връща случаен елемент от списък.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Премахва първия елемент от списък.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Премахва елемент на определена позиция от списък.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Премахва последния елемент от списък.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Премахва случаен елемент от списък.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "до № открая";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "до №";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "до края";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "вземи подсписък от първия";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "вземи подсписък от № от края";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "вземи подсписък от №";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Копира част от списък.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 е последният елемент.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 е първият елемент.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "намери първата поява на елемента";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "намери последната поява на елемента";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Връща индекса на първото/последното появяване на елемента в списъка. Връща %1, ако елементът не е намерен.";
-Blockly.Msg["LISTS_INLIST"] = "в списъка";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 е празен";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Връща стойност вярно, ако списъкът е празен.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "дължината на %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Връща дължината на списък.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "създай списък от %1 повторен %2 пъти";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Създава списък, състоящ се от определен брой копия на елемента.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "промени реда на обратно %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Промени реда на списъка на обратно.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "следното";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "вмъкни на позиция";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "промени";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Вмъква елемент в началото на списъка.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Вмъква елемент на определена позиция в списък.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Добави елемент в края на списък.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Вмъква елемент на произволно място в списък.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Променя първия елемент в списък.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Променя елемента на определена позиция в списък.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Променя последния елемент в списък.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Променя случаен елемент от списък.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "възходящо";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "низходящо";
-Blockly.Msg["LISTS_SORT_TITLE"] = "сортиране по %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Подреди копие на списъка.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "по азбучен ред, без отчитане на малки и главни букви";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "в числов ред";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "по азбучен ред";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "Направи списък от текст";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "направи текст от списък";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Събира списък от текстове в един текст, раделени с разделител.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Разделя текст в списък на текстове, по всеки разделител.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "с разделител";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "невярно";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Връща вярно или невярно.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "вярно";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Върни вярно, ако двата параметъра са еднакви.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Върни истина, ако първия параметър е по-голям от втория.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Върни истина, ако първия параметър е по-голям или равен на втория.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Върни вярно, ако първият параметър е по-малък от втория.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Върни истина, ако първия параметър е по-малък или равен на втория.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Върни вярно, ако двата параметъра са различни.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "не %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Върни вярно, ако параметърът е неверен. Върни невярно, ако параметърът е верен.";
-Blockly.Msg["LOGIC_NULL"] = "нула";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Връща нула.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "и";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "или";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Върни вярно, ако и двата параметъра са верни.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Върни „вярно“, ако поне един от входовете е верен.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "тест";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "Ако е невярно";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "Ако е вярно";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Провери условието в „тест“. Ако условието е истина, върни стойността „ако е вярно“, иначе върни стойността „ако е невярно“.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://bg.wikipedia.org/wiki/Аритметика";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Върни сумата на двете числа.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Върни частното на двете числа.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Върни разликата на двете числа.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Върни произведението на двете числа.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Върни първото число, повдигнато на степен на второто число.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 от X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Връща аркустангенс на точка (X, Y) в градуси от -180 до 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://bg.wikipedia.org/wiki/Събиране";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "промени %1 на %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Добави число към променлива „%1“.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "http://bg.wikipedia.org/wiki/Константа";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Връща една от често срещаните константи: π (3.141...), e (2.718...), φ (1.618...), sqrt(2) (1.414...), sqrt(½) (0.707...) или ∞ (безкрайност).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "ограничи %1 между %2 и %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Ограничи число да бъде в определените граници (включително).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "се дели на";
-Blockly.Msg["MATH_IS_EVEN"] = "е четно";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "е отрицателно";
-Blockly.Msg["MATH_IS_ODD"] = "е нечетно";
-Blockly.Msg["MATH_IS_POSITIVE"] = "е положително";
-Blockly.Msg["MATH_IS_PRIME"] = "е просто";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Проверете дали дадено число е четно, нечетно, просто, цяло, положително, отрицателно или дали се дели на друго число. Връща вярно или невярно.";
-Blockly.Msg["MATH_IS_WHOLE"] = "е цяло";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "http://bg.wikipedia.org/wiki/Остатък";
-Blockly.Msg["MATH_MODULO_TITLE"] = "остатъка от делението на %1 на %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Върни остатъка от деление на две числа.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://bg.wikipedia.org/wiki/Число";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Число.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "средната стойност на числата в списъка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "най-голямата стойност в списъка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "медианата на списък";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "най-малката стойност в списъка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "режими на списъка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "случаен елемент от списъка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "стандартно отклонение на списък";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "сума на списъка";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Върни средната стойност (аритметичното средно) на числата в списъка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Върни най-голямото число в списъка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Върни медианата в списъка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Върни най-малкото число в списъка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Върни списък на най-често срещаните елементи в списъка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Върни случаен елемент от списъка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Връща стандартното отклонение на списъка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Върни сумата на всички числа в списъка.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://bg.wikipedia.org/wiki/Генератор_на_случайни_числа";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "случайно дробно число";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Върни случайно дробно число между 0.0 (включително) и 1.0 (без да го включва)";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://bg.wikipedia.org/wiki/Генератор_на_случайни_числа";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "случайно цяло число между %1 и %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Върни случайно число в определените граници (включително).";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "закръгли";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "закръгли надолу";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "закръгли нагоре";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Закръгли число нагоре или надолу.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "абсолютна";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "корен квадратен";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Връща абсолютната стойност на число.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Върни е (неперовото число) на степен зададеното число.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Върни натуралния логаритъм от число.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Върни десетичния логаритъм на число.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Върни числото с обърнат знак.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Върни 10 на степен зададеното число.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Връща корен квадратен от число.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://bg.wikipedia.org/wiki/Тригонометрична_функция";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Върни аркускосинус от число.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Върни аркуссинус от число.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Върни аркустангенс от число.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Върни косинус от ъгъл в градуси (не в радиани)";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Върни синус от ъгъл в градуси (не в радиани)";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Върни тангенс от ъгъл в градуси (не в радиани)";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Създаване на цветова променлива...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Създаване на числова променлива...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Създаване на низова променлива...";
-Blockly.Msg["NEW_VARIABLE"] = "Създаване на променлива...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Ново име на променливата:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Тип на новата променлива:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "позволи операциите";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "с:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://bg.wikipedia.org/wiki/Подпрограма";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Изпълни дефинирана от потребителя функция „%1“.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://bg.wikipedia.org/wiki/Подпрограма";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Изпълни дефинирана от потребителя функция „%1“ и използвай резултата.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "с:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Създай '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Опишете тази функция...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "направиш";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "за да";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Създава функция, която не връща резултат.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "върни";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Създава функция, която връща резултат.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Предупреждение: Тази функция има дублиращи се параметри.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Покажи дефиницията на функцията";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Ако стойността е вярна, върни втората стойност.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Предупреждение: Този блок може да се използва само във функция.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "име на параметър:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Добавяне на параметър към функцията.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "вход";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Добави, премахни или пренареди входните параметри за тази функция.";
-Blockly.Msg["REDO"] = "Повторение";
-Blockly.Msg["REMOVE_COMMENT"] = "Премахни коментар";
-Blockly.Msg["RENAME_VARIABLE"] = "Преименувай променливата...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Преименувай всички '%1' променливи на:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "добавете текст %2 към %1";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Добави текст към променливата „%1“.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "с малки букви";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "с Главна Буква На Всяка Дума";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "с ГЛАВНИ БУКВИ";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Връща копие на текста със сменени малки и главни букви.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "вземи първата буква";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "вземи буква № от края";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "вземи буква №";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "вземи последната буква";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "вземи произволна буква";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "в текст %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Връща буквата в определена позиция.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "пресмята броя на %1 в %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Преброй колко пъти даден текст се среща в друг текст.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Добави елемент към текста.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "свържи";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Добави, премахни или пренареди частите, за да промениш този текстов блок.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "до буква № от края";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "до буква №";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "до последната буква.";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "в текста";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "вземи текста от първата буква";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "вземи текста от буква № (броено отзад-напред)";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "вземи текста от буква №";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Връща определена част от текста.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "намери първата поява на текста";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "намери последната поява на текста";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "в текст %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Връща индекса на първото/последното срещане на първия текст във втория текст. Връща %1, ако текстът не е намерен.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 е празен";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Връща вярно, ако текста е празен.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "създай текст с";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Създай текст като съчетаеш няколко елемента.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "дължината на %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Връща броя на символите (включително и интервалите) в текста.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "отпечатай %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Отпечатай текста, числото или друга стойност.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Питай потребителя за число.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Питай потребителя за текст.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "питай за число със съобщение";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "питай за текст със съобщение";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "замяна на %1 с %2 в %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Замени всички появи на даден текст в друг текст.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "промени реда на обратно %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Промени реда на знаците в текста на обратно.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://bg.wikipedia.org/wiki/Низ";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Буква, дума или ред";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "премахни интервалите от двете страни";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "премахни интервалите отляво";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "премахни интервалите отдясно";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Връща копие на текста с премахнати интервали от единия или двата края.";
-Blockly.Msg["TODAY"] = "Днес";
-Blockly.Msg["UNDO"] = "Отмяна";
-Blockly.Msg["UNNAMED_KEY"] = "без име";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "елемент";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Създай „промени стойността на %1“";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Връща стойността на тази променлива.";
-Blockly.Msg["VARIABLES_SET"] = "нека %1 бъде %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Създай „вземи стойността на %1“";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Установява променливата със стойността на входа.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Променлива с име '%1' вече съществува.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Променлива с име '%1' вече съществува за друг тип: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Работна област на Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Коментирайте нещо...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/bn.js b/msg/js/bn.js
deleted file mode 100644
index 1a672cead38..00000000000
--- a/msg/js/bn.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "মন্তব্য যোগ করুন";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "'%1' চলক অপসারণ করা যাবে না কারণ এটি '%2' কার্যপ্রণালীর সংজ্ঞার অংশ";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "মান পরিবর্তন করুন:";
-Blockly.Msg["CLEAN_UP"] = "ব্লকসমূহ পরিস্কার করুন";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "ব্লকসমূহ সঙ্কুচিত করুন";
-Blockly.Msg["COLLAPSE_BLOCK"] = "ব্লক সঙ্কুচিত করুন";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "রং ১";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "রং ২";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "অনুপাত";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "মিশ্রণ";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "প্রদত্ত অনুপাত(০.০ - ১.০) অনুসারে দুটি রং একসাথে মিশ্রিত করুন।";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://bn.wikipedia.org/wiki/রং";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "প্যালেট থেকে একটি রং পছন্দ করুন";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "এলোমেলো রং";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "এলোমেলোভাবে একটি রং পছন্দ করুন।";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "নীল";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "সবুজ";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "লাল";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "রং সহ";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "একটি রং তৈরি করুন নির্দিষ্ট পরিমাণে লাল, সবুজ এবং নীল রং মিশ্রিত করে। প্রত্যেকটির মান অবশ্যই ০ থেকে ১০০ এর মধ্যে হতে হবে।";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "প্রবেশপথ থেকে চলে অাসুন";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "পুনরাবৃত্তি চালিয়ে যান পরবর্তী প্রবেশপথে";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "সংশ্লিষ্ট প্রবেশপথ থেকে চলে অাসুন";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "এই প্রবেশপথের অবশিষ্ট অংশ বাদ দিন এবং পরবর্তী প্রচেষ্টা চালিয়ে যান।";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "সর্তকীবার্তা: এই ব্লকটি শুধুমাত্র লুপের মধ্যে ব্যবহার করা যাবে।";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "প্রত্যেকটি পদের জন্য %1 তালিকার মধ্যে %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "কোন তালিকায় প্রতিবারের জন্য, আইটেমের সাথে চলক '%1' বসান এবং কিছু বিবরণ দিন।";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "গণনা কর %1 %4 দিয়ে %2 থেকে %3";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "চলক %1 প্রস্তুত করুন, শুরু থেকে শেষ পর্যন্ত সংখ্যা গ্রহন করতে যা নির্দেশিত বিরতি গণনা করছে এবং নির্দেশিত ব্লক সমূহ সম্পন্ন করতে।";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "যদি নামক ব্লক এ একটি শর্ত যোগ করুন।";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "নতুবা";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "নতুবা যদি";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "যদি";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "যদি একটি মূল্যমাস সত্য হয়, তবে কিছু বিবরণ দিন";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "যদি একটি মূল্যমান সত্য হয়, তবে বিবৃতিসমূহের প্রথম ব্লকটা অন্যথায় বিবৃতির দ্বিতীয় ব্লক।";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "যদি প্রথম মূল্যমান সঠিক হয়, তবে বর্ণিত প্রথম ব্লকটি সম্পন্ন করুন। অন্যথায়, দ্বিতীয় মূল্যমান সঠিক হয়, দ্বিতীয় ব্লক সম্পন্ন করুন।";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://bn.wikipedia.org/wiki/প্রবেশ_পথ";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "করুন";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 বার পুনরাবৃত্তি করো";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "কিছু বিবরণ বারবার দিন।";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "অাবার করুন যতক্ষণ না";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "অাবার করুন যখন";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "যখন একটি মূল্যমান মিথ্যা, তখন কিছু বিবৃতি দিন।";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "যখন একটি মূল্যমান সঠিক, তখন কিছু বিবরণ দিন।";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "সব %1টি ব্লক অপসারণ করবেন?";
-Blockly.Msg["DELETE_BLOCK"] = "ব্লকটি মুছে ফেল";
-Blockly.Msg["DELETE_VARIABLE"] = "'%1' চলকটি অপসারণ করুন";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "'%2' চলকের '%1'টি ব্যবহার অপসারণ করবেন?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 ব্লক অপসারণ কর";
-Blockly.Msg["DISABLE_BLOCK"] = "ব্লকটি বিকল কর";
-Blockly.Msg["DUPLICATE_BLOCK"] = "প্রতিলিপি";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "ব্লকটি সচল কর";
-Blockly.Msg["EXPAND_ALL"] = "ব্লকগুলো সম্প্রসারিত কর";
-Blockly.Msg["EXPAND_BLOCK"] = "ব্লকটি সম্প্রসারিত কর";
-Blockly.Msg["EXTERNAL_INPUTS"] = "বহি:স্থ ইনপুট";
-Blockly.Msg["HELP"] = "সাহায্য";
-Blockly.Msg["INLINE_INPUTS"] = "সারি ইনপুট";
-Blockly.Msg["IOS_CANCEL"] = "বাতিল";
-Blockly.Msg["IOS_ERROR"] = "ত্রুটি";
-Blockly.Msg["IOS_OK"] = "ঠিক আছে";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "যোগ";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "অপসারণ";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "অাপনি চলকের নাম খালি রাখতে পারেননা।";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "পুনরায় শুরু";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "চলকের নাম";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "খালি তালিকা তৈরি করুন";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "পাঠাবে একটি তালিকা, দের্ঘ্য হবে ০, কোন উপাত্ত থাকবে না";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "তালিকা";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "তালিকায় একটি পদ যোগ করুন।";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "যেকোন সংখ্যক পদ নিয়ে একটি তালিকা তৈরি করুন।";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "প্রথম";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# শেষ থেকে";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "নিন";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "নিন ও সরান";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "শেষ";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "এলোমেলো";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "অপসারণ";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "তালিকার প্রথম পদটি পাঠাবে।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "তালিকার শেষ পদটি পাঠাবে।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "এলোমেলোভাবে তালিকার যেকোন একটি পদ পাঠাবে।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "অপসারণ করুন এবং তালিকার প্রথম পদটি পাঠান।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "অপসারণ করুন এবং তালিকার শেষ পদটি পাঠান।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "অপসারণ করুন এবং তালিকার এলোমেলো একটি পদ পাঠান।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "তালিকার প্রথম পদটি অপসারণ করা হয়েছে।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "তালিকার শেষ পদটি অপসারণ করা হয়েছে।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "তালিকা থেকে এলোমেলো একটি পদ অপসারণ করা হয়েছে।";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "আইটেমের প্রথম সংঘটন খুঁজুন";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "আইটেমের শেষ সংঘটন খুঁজুন";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "তালিকার মধ্যে";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 খালি";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "পাঠাবে সত্য যদি তালিকাটি খালি হয়।";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1-এর দৈর্ঘ্য";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "একটি তালিকার দৈর্ঘ্য পাঠাবে।";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "একটি তালিকার একটি অনুলিপি উল্টান";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "as";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insert at";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "লিখা থেকে তালিকা তৈরি করুন";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "তালিকা থেকে লিখা তৈরি করুন";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "মিথ্যা";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "পাঠাবে হয় সত্য অথবা মিথ্যা।";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "সত্য";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "পাঠাবে সত্য যদি উভয় ইনপুটই সমান হয়।";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "পাঠাবে সত্য যদি প্রথম ইনপুট দ্বিতীয় ইনপুট থেকে বড় হয়।";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "পাঠাবে সত্য যদি প্রথম ইনপুট দ্বিতীয় ইনপুট থেকে বড় অথবা সমান হয়।";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "পাঠাবে সত্য যদি প্রথম ইনপুট দ্বিতীয় ইনপুট থেকে ছোট হয়।";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "পাঠাবে সত্য যদি প্রথম ইনপুট দ্বিতীয় ইনপুট থেকে ছোট অথবা সমান হয়।";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "পাঠাবে সত্য যদি উভয় ইনপুটই সমান না হয়।";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "%1 নয়";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "পাঠাবে সত্য যদি ইনপুট মিথ্যা হয়। পাঠাবে মিথ্যা যদি ইনপুট সত্য হয়।";
-Blockly.Msg["LOGIC_NULL"] = "কিছু না";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "কিছু ফেরত দিবে না।";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "এবং";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "অথবা";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "পাঠাবে সত্য যদি উভয় ইনপুটই সত্য হয়।";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "পাঠাবে সত্য যদি অন্ততপক্ষে যেকোন একটি ইনপুট সত্য হয়।";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "পরীক্ষা";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "যদি মিথ্যা হয়";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "যদি সত্য হয়";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "পাঠাবে দুটি সংখ্যার যোগফল।";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "পাঠাবে দুটি সংখ্যার ভাগফল।";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "পাঠাবে দুটি সংখ্যার বিয়োগফল।";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "পাঠাবে দুটি সংখ্যার গুণফল।";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "%2 দ্বারা %1 পরিবর্তন";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "দ্বারা বিভাজ্য";
-Blockly.Msg["MATH_IS_EVEN"] = "জোড় সংখ্যা";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "নেতিবাচক";
-Blockly.Msg["MATH_IS_ODD"] = "বিজোড় সংখ্যা";
-Blockly.Msg["MATH_IS_POSITIVE"] = "ইতিবাচক";
-Blockly.Msg["MATH_IS_PRIME"] = "মৌলিক সংখ্যা";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "is whole";  // untranslated
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "%1 ÷ %2 এর ভাগশেষ";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://bn.wikipedia.org/wiki/সংখ্যা";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "একটি সংখ্যা।";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "তালিকার গড়";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "তালিকার মধ্যে সর্বোচ্চ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "তালিকার মধ্যমা";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "তালিকার মধ্যে সর্বনিম্ন";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "তালিকার এলোমেলো পদ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "তালিকার যোগফল";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "পাঠাবে তালিকার সব সংখ্যার গড়।";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "তালিকার মধ্যে সর্বোচ্চ সংখ্যাটি পাঠাও";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "তালিকার মধ্যমা সংখ্যাটি পাঠাবে।";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "তালিকার মধ্যে সর্বনিম্ন সংখ্যাটি পাঠাও";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "তালিকা থেকে এলোমেলোভাবে একটি পদ পাঠাবে।";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "পাঠাবে তালিকার সব সংখ্যার যোগফল।";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "এলোমেলো ভগ্নাংশ";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "round";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "round down";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "round up";  // untranslated
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "পরম";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "বর্গমূল";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "পাঠাবে সংখ্যার পরমমান।";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "পাঠাবে একটি সংখ্যার বর্গমূল।";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";  // untranslated
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "চলক তৈরি করুন...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "নতুন চলকের নাম:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "do something";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "এতে";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "আউটপুট ছাড়া একটি ক্রিয়া তৈরি করুন।";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "পাঠাবে";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "আউটপুট সহ একটি ক্রিয়া তৈরি করুন।";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "ক্রিয়ার সংজ্ঞা উজ্জল করুন";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "যদি মান সত্য হয় তাহলে দ্বিতীয় মান পাঠাবে।";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "ইনপুটের নাম:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "ক্রিয়াতে একটি ইনপুট যোগ করুন।";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "পুনরায় করুন";
-Blockly.Msg["REMOVE_COMMENT"] = "মন্তব্য সরাও";
-Blockly.Msg["RENAME_VARIABLE"] = "চলকের নাম পরিবর্তন...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "'%1' চলকগুলোর নতুন নাম দিন:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "ছোটহাতের অক্ষরে";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "বড়হাতের অক্ষরে";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "লেখাটিতে একটি পদ যোগ করুন।";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "যোগ";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 খালি";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "পাঠাবে সত্য যদি সরবরাহকৃত লেখাটি খালি হয়।";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1-এর দৈর্ঘ্য";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "%1 মুদ্রণ করুন";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "%1 উল্টান";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "একটি অক্ষর, শব্দ অথবা বাক্য।";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "উভয় পাশ থেকে খালি অংশ ছাটাই";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "বামপাশ থেকে খালি অংশ ছাটাই";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "ডানপাশ থেকে খালি অংশ ছাটাই";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "আজ";
-Blockly.Msg["UNDO"] = "পূর্বাবস্থা";
-Blockly.Msg["UNNAMED_KEY"] = "নামহীন";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "পদ";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "'%1 নিন' তৈরি করুন";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "'%1' নামের চলক পূর্ব থেকে অাছে।";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "'%1' নামের চলক '%2' ধরনের চলকের জন্য পূর্ব থেকেই অাছে।";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/br.js b/msg/js/br.js
deleted file mode 100644
index a6fc39d8b57..00000000000
--- a/msg/js/br.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Ouzhpennañ un evezhiadenn";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Ne ch'aller ket dilemel an argemmenn \"%1\" dre m'eo lod eus dielfennadur an arc'hwel \"%2\"";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Kemmañ an dalvoudenn :";
-Blockly.Msg["CLEAN_UP"] = "Naetaat ar bloc'hoù";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Kemennoù-diwall zo er bloc'hadoù pleget.";
-Blockly.Msg["COLLAPSE_ALL"] = "Bihanaat ar bloc'hoù";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Bihanaat ar bloc'h";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "liv 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "liv 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "feur";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "meskañ";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "a gemmesk daou liv gant ur feur roet(0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "http://br.wikipedia.org/wiki/Liv";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Dibab ul liv diwar al livaoueg.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "liv dargouezhek";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Tennañ ul liv d'ar sord";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "glas";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "gwer";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "ruz";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "liv gant";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Krouiñ ul liv gant ar c'hementad spisaet a ruz, a wer hag a c'hlas. Etre 0 ha 100 e tle bezañ an holl dalvoudoù.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "Mont e-maez an adlañsañ";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "Kenderc'hel gant iteradur nevez ar rodell";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Mont e-maez ar boukl engronnus.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Lammat ar rest eus ar rodell, ha kenderc'hel gant an iteradur war-lerc'h.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Diwallit : ne c'hall ar bloc'h-mañ bezañ implijet nemet e-barzh ur boukl.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "evit pep elfenn %1 er roll %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Evit pep elfenn en ur roll, reiñ talvoud an elfenn d'an argemmenn '%1', ha seveniñ urzhioù zo da c'houde.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "kontañ gant %1 eus %2 da %3 dre %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Ober e doare ma kemero an argemmenn \"%1\" an talvoudennoù adalek niverenn an deroù betek niverenn an dibenn, en ur inkremantiñ an esaouenn, ha seveniñ an urzhioù spisaet.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Ouzhpennañ un amplegad d'ar bloc'h ma.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Ouzhpennañ un amplegad dibenn lak-pep-tra d'ar bloc'h ma.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Ouzhpennañ, lemel pe adurzhiañ ar rannoù evit kefluniañ ar bloc'h ma.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "a-hend-all";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "mod all ma";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ma";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Ma vez gwir un dalvoudenn, seveniñ urzhioù zo neuze.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Ma vez gwir un dalvoudenn, seveniñ ar c'henañ bloc'had urzhioù neuze. Anez seveniñ an eil bloc'had urzhioù.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Ma vez gwir an dalvoudenn gentañ, seveniñ ar c'hentañ bloc'had urzhioù neuze. Anez ma vez gwir an eil talvoudenn, seveniñ an eil bloc'had urzhioù.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Ma vez gwir an dalvoudenn gentañ, seveniñ ar c'hentañ bloc'had. Anez, ma vez gwir an eil talvoudenn, seveniñ an eil bloc'had urzhioù. Ma ne vez gwir talvoudenn ebet, seveniñ ar bloc'had diwezhañ a urzhioù.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "ober";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "adober %1 gwech";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Seveniñ urzhioù zo meur a wech";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "adober betek";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "adober keit ha ma";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Keit ha ma vez faos un dalvoudenn, seveniñ urzhioù zo neuze.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Keit ha ma vez gwir un dalvoudenn, seveniñ urzhioù zo neuze.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Diverkañ an holl vloc'hoù %1 ?";
-Blockly.Msg["DELETE_BLOCK"] = "Dilemel ar bloc'h";
-Blockly.Msg["DELETE_VARIABLE"] = "Lemel an argemm '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Lemel %1 implij eus an argemm '%2' ?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Dilemel %1 bloc'h";
-Blockly.Msg["DISABLE_BLOCK"] = "Diweredekaat ar bloc'h";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Eiladuriñ";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Eiladiñ an eilenn";
-Blockly.Msg["ENABLE_BLOCK"] = "Gweredekaat ar bloc'h";
-Blockly.Msg["EXPAND_ALL"] = "Astenn ar bloc'hoù";
-Blockly.Msg["EXPAND_BLOCK"] = "Astenn ar bloc'h";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Monedoù diavaez";
-Blockly.Msg["HELP"] = "Skoazell";
-Blockly.Msg["INLINE_INPUTS"] = "Monedoù enlinenn";
-Blockly.Msg["IOS_CANCEL"] = "Nullañ";
-Blockly.Msg["IOS_ERROR"] = "Fazi";
-Blockly.Msg["IOS_OK"] = "Mat eo";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Ouzhpennañ ur moned";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Urzhioù aotreet";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "An arc'hwel-mañ en deus monedoù eiladet.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "MONEDOÙ";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Ouzhpennañ";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Ouzhpennañ un argemmenn";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Diverkañ";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Ne c'hallit ket implijout un anv argemmenn c'houllo.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Adenvel";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Anv an argemmenn";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "krouiñ ur roll goullo";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Distreiñ ul listenn, 0 a hirder, n'eus enrolladenn ebet enni";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "roll";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Ouzhpennañ, lemel pe adurzhiañ ar rannoù evit kefluniañ ar bloc'h listenn-mañ.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "krouiñ ur roll gant";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Ouzhpennañ un elfenn d'ar roll";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Krouiñ ur roll gant un niver bennak a elfennoù.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "kentañ";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# adalek ar fin";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "tapout";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "tapout ha lemel";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "diwezhañ";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "dre zegouezh";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "lemel";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Distreiñ an elfenn gentañ en ul listenn.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Distreiñ an elfenn el lec'h meneget en ul listenn.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Distreiñ un elfenn diwezhañ en ul listenn.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Distreiñ un elfenn dre zegouezh en ul listenn.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Lemel ha distreiñ a ra an elfenn gentañ en ul listenn.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Lemel ha distreiñ a ra an elfenn el lec'h meneget en ul listenn.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Lemel ha distreiñ a ra an elfenn diwezhañ en ul listenn.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Lemel ha distreiñ a ra an elfenn dre zegouezh en ul listenn.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Lemel a ra an elfenn gentañ en ul listenn.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Lemel a ra an elfenn el lec'h meneget en ul listenn.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Lemel a ra an elfenn diwezhañ en ul listenn.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Lemel a ra un elfenn dre zegouezh en ul listenn.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "betek # adalek an dibenn";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "da #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "betek ar fin";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "Kaout an islistenn adalek an deroù";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "Kaout an islistenn adalek # adalek an dibenn";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "Kaout an islistenn adalek #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Krouiñ un eilad eus lodenn spisaet ul listenn.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 eo an elfenn gentañ.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 eo an elfenn gentañ.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "kavout reveziadenn gentañ un elfenn";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "kavout reveziadenn diwezhañ un elfenn";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Distreiñ meneger ar c'hentañ/an eil reveziadenn eus an elfenn en ul listenn. Distreiñ %1 ma n'eo ket kavet an destenn.";
-Blockly.Msg["LISTS_INLIST"] = "el listenn";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 zo goullo";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Distreiñ gwir m'eo goullo al listenn.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "hirder %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Distreiñ hirder ul listenn.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "Krouiñ ul listenn gant an elfenn %1 arreet %2 div wech";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Krouiñ ul listenn a c'hoarvez eus an dalvoudenn roet arreet an niver a wech meneget";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "eilpennañ %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Eilpennañ un eilskrid eus ur roll.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "evel";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "ensoc'hañ evel";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "termenañ";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Ensoc'hañ a ra an elfenn e deroù ul listenn.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Ensoc'hañ a ra an elfenn el lec'h meneget en ul listenn.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Ouzhpennañ a ra an elfenn e fin al listenn.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Ensoc'hañ a ra an elfenn dre zegouezh en ul listenn.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Termenañ a ra an elfenn gentañ en ul listenn.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Termenañ a ra an elfenn el lec'h meneget en ul listenn.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Termenañ a ra an elfenn diwezhañ en ul listenn.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Termenañ a ra un elfenn dre zegouezh en ul listenn.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "war gresk";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "war zigresk";
-Blockly.Msg["LISTS_SORT_TITLE"] = "Rummañ%1,%2,%3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Rummañ un eilenn eus ar roll";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "Dre urzh al lizherenneg, hep derc'hel kont eus an direnneg";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "niverel";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "Dre urzh al lizherenneg";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "Krouiñ ul listenn diwar an destenn";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "Krouiñ un destenn diwar al listenn";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Bodañ ul listennad testennoù en ul listenn hepken, o tispartiañ anezho gant un dispartier.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Troc'hañ un destenn en ul listennad testennoù, o troc'hañ e pep dispartier.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "gant an dispartier";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "gaou";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Distreiñ pe gwir pe faos";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "gwir";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Distreiñ gwir m'eo par an daou voned.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Distreiñ gwir m'eo brasoc'h ar moned kentañ eget an eil.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Distreiñ gwir m'eo brasoc'h ar moned kentañ eget an eil pe par dezhañ.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Distreiñ gwir m'eo bihanoc'h ar moned kentañ eget an eil.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Distreiñ gwir m'eo bihanoc'h ar moned kentañ eget an eil pe m'eo par dezhañ.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Distreiñ gwir ma n'eo ket par an daou voned.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "nann %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Distreiñ gwir m'eo faos ar moned. Distreiñ faos m'eo gwir ar moned.";
-Blockly.Msg["LOGIC_NULL"] = "Null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Distreiñ null.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "ha(g)";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "pe";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Distreiñ gwir m'eo gwir an da daou voned.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Distreiñ gwir m'eo gwir unan eus an daou voned da nebeutañ.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "amprouad";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "m'eo gaou";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "m'eo gwir";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Gwiriañ an amplegad e 'prouad'. M'eo gwir an amplegad, distreiñ an dalvoudenn 'm'eo gwir'; anez distreiñ ar moned 'm'eo faos'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://br.wikipedia.org/wiki/Aritmetik";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Distreiñ sammad daou niver.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Distreiñ rannad daou niver.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Distreiñ diforc'h daou niver";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Distreiñ liesad daou niver.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Distreiñ an niver kentañ lakaet dindan gallouter an eil niver.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://fr.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 eus X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Adkas a ra ark tangent ar poent (X, Y) e derezioù etre -180 ha 180";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "kemmañ %1 gant %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Ouzhpennañ un niver d'an argemmenn '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Distreiñ unan eus  digemmennoù red : π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (anvevenn).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "destrizhañ %1 etre %2 ha %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Destrizhañ un niver da vezañ etre ar bevennoù spisaet (enlakaet)";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "a zo rannadus dre";
-Blockly.Msg["MATH_IS_EVEN"] = "zo par";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "a zo negativel";
-Blockly.Msg["MATH_IS_ODD"] = "zo ampar";
-Blockly.Msg["MATH_IS_POSITIVE"] = "a zo pozitivel";
-Blockly.Msg["MATH_IS_PRIME"] = "zo kentañ";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Gwiriañ m'eo par, anpar, kentañ, muiel, leiel un niverenn pe ma c'haller rannañ anezhi dre un niver roet zo. Distreiñ gwir pe faos.";
-Blockly.Msg["MATH_IS_WHOLE"] = "zo anterin";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "rest eus %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Distreiñ dilerc'h rannadur an div niver";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://br.wikipedia.org/wiki/Niver";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Un niver.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "Keitat al listenn";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "Uc'hegenn al listenn";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "Kreizad al listenn";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "Izegenn al listenn";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modoù stankañ el listenn";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "Elfennn eus al listenn tennet d'ar sord";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "forc'had standart eus al listenn";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "Sammad al listenn";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Distreiñ keitad (niveroniel) an talvoudennoù niverel el listenn.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Distreiñ an niver brasañ el listenn.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Distreiñ an niver kreiz el listenn";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Distreiñ an niver bihanañ el listenn";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Distreiñ ul listennad elfennoù stankoc'h el listenn.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Distreiñ un elfenn zargouezhek el listenn";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Distreiñ forc'had standart al listenn.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Distreiñ sammad an holl niveroù zo el listenn.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "Rann dargouezhek";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Distreiñ ur rann dargouezhek etre 0.0 (enkaelat) hag 1.0 (ezkaelat).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "anterin dargouezhek etre %1 ha %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Distreiñ un anterin dargouezhek etre an div vevenn spisaet, endalc'het.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "Rontaat";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "Rontaat dindan";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "Rontaat a-us";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Rontaat un niver dindan pe a-us";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://br.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "dizave";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "gwrizienn garrez";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Distreiñ talvoud dizave un niver.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Distreiñ galloudad un niver.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Distreiñ logaritm naturel un niver";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Distreiñ logaritm diazez 10 un niver";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Distreiñ enebad un niver";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Distreiñ 10 da c'halloudad un niver.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Distreiñ gwrizienn garrez un niver";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://br.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Distreiñ ark kosinuz un niver";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Distreiñ ark sinuz un niver";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Distreiñ ark tangent un niver";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Distreiñ kosinuz ur c'horn (ket e radianoù)";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Distreiñ sinuz ur c'horn (ket e radianoù)";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Distreiñ tangent ur c'horn (ket e radianoù).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Krouiñ un argemmenn liv...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Krouiñ un argemm niver...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Krouiñ un argemmenn chadenn...";
-Blockly.Msg["NEW_VARIABLE"] = "Krouiñ un argemmenn nevez...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Anv an argemmenn nevez :";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Doare nevez a argemm:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "aotren an disklêriadurioù";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "gant :";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Seveniñ an arc'hwel '%1' termenet gant an implijer.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Seveniñ an arc'hwel '%1' termenet gant an implijer hag implijout e zisoc'h.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "gant :";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Krouiñ '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Deskrivañ an arc'hwel-mañ...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "ober un dra bennak";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "da";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Krouiñ un arc'hwel hep mont er-maez.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "distreiñ";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Kouiñ un arc'hwel gant ur mont er-maez";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Diwallit : an arc'hwel-mañ en deus arventennoù eiladet.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Dreislinennañ termenadur an arc'hwel";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Ma'z eo gwir un dalvoudenn, distreiñ un eil talvoudenn neuze.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Diwallit : Gallout a rafe ar bloc'h bezañ implijet e termenadur un arc'hwel hepken.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "Anv ar moned";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Ouzhpennañ ur moned d'an arc'hwel.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "Monedoù";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Ouzhpennañ, lemel, pe adkempenn monedoù an arc'hwel-mañ.";
-Blockly.Msg["REDO"] = "Adober";
-Blockly.Msg["REMOVE_COMMENT"] = "Lemel an evezhiadenn kuit";
-Blockly.Msg["RENAME_VARIABLE"] = "Adenvel an argemmenn...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Adenvel an holl argemmennoù '%1' e :";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "Ouzhpennañ an destenn %2 da %1";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Ouzhpennañ testenn d'an argemmenn'%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "e lizherennoù bihan";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "Gant Ur Bennlizherenn E Deroù Pep Ger";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "e PENNLIZHERENNOÙ";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Distreiñ un eilenn eus an eilenn en un direnneg all";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "tapout al lizherenn gentañ";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "Kaout al lizherenn # adalek an dibenn.";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "Kaout al lizherenn #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "tapout al lizherenn ziwezhañ";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "Kaout ul lizherenn dre zegouezh";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "en destenn %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Distreiñ al lizherenn d'al lec'h spisaet.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "niver %1 war %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Kontañ pet gwech e c'hoarvez un destenn bennak en un destenn bennak all.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Ouzhpennañ un elfenn d'an destenn.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "stagañ";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Ouzhpennañ, lemel pe adurzhiañ ar rannoù evit kefluniañ ar bloc'h testenn-mañ.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "Betek al lizherenn # adalek an dibenn.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "betek al lizherenn #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "d'al lizherenn diwezhañ";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "en destenn";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "Kaout an ischadenn adalek al lizherenn gentañ";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "Kaout an ischadenn adalek al lizherenn # betek an dibenn";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "Kaout an ischadenn adalek al lizherenn #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Distreiñ un tamm spisaet eus an destenn.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "kavout reveziadenn gentañ an destenn";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "kavout reveziadenn diwezhañ an destenn";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "en destenn %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Distreiñ meneger ar c'hentañ/an eil reveziadenn eus ar chadenn gentañ en eil chadenn. Distreiñ %1 ma n'eo ket kavet ar chadenn.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 zo goullo";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Adkas gwir m'eo goullo an destenn roet.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "krouiñ un destenn gant";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Krouit un tamm testenn en ur gevelstrollañ un niver bennak a elfennoù";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "hirder %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Distreiñ an niver a lizherennoù(en ur gontañ an esaouennoù e-barzh) en destenn roet.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "moullañ %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Moullañ an destenn, an niverenn pe un dalvoudenn spisaet all";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Goulenn un niver gant an implijer.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Goulenn un destenn gant an implijer.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "pedadenn evit un niver gant ur c'hemennad";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "goulenn un destenn gant ur gemennadenn";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "erlec'hiañ %1 gant %2 e %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Erlec'hiañ holl reveziadennoù un destenn bennak gant un destenn all.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "eilpennañ %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Eilpennañ urzh an arouezennoù en destenn.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Ul lizherenn, ur ger pe ul linennad testenn.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "Lemel an esaouennoù en daou du";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "Lemel an esaouennoù eus an tu kleiz";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "Lemel an esaouennoù eus an tu dehou";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Distreiñ un eilenn eus an destenn gant an esaouennoù lamet eus un tu pe eus an daou du";
-Blockly.Msg["TODAY"] = "Hiziv";
-Blockly.Msg["UNDO"] = "Dizober";
-Blockly.Msg["UNNAMED_KEY"] = "dizanv";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "elfenn";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Krouiñ 'termenañ %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Distreiñ talvoud an argemm-mañ.";
-Blockly.Msg["VARIABLES_SET"] = "termenañ %1 da %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Krouiñ 'kaout %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Termenañ a ra argemm-mañ evit ma vo par da dalvoudenn ar moned.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Un argemmenn anvet '%1' zo anezhi dija.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Un argemenn anvet '%1' zo c'hoazh evit un argemenn all eus ar seurt : '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Takad labour Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Lavaret un dra bennak...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/ca.js b/msg/js/ca.js
deleted file mode 100644
index 4a7993616f9..00000000000
--- a/msg/js/ca.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Afegeix un comentari";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "No podem esborrar la variable '%1' perquè forma part de la definició de la funció '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Canvia valor:";
-Blockly.Msg["CLEAN_UP"] = "Netejar blocs";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Els blocs plegats contenen avisos.";
-Blockly.Msg["COLLAPSE_ALL"] = "Contraure blocs";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Contraure bloc";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "color 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "color 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "proporció";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "barreja";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Barreja dos colors amb una proporció donada (0,0 - 1,0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://ca.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Escolliu un color de la paleta.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "color aleatori";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Escolliu un color a l'atzar.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blau";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "verd";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "vermell";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "color amb";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Crear un color amb les quantitats especificades de vermell, verd i blau. Tots els valors han de ser entre 0 i 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "sortir del bucle";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continuar amb la següent iteració del bucle";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Sortir del bucle interior.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Ometre la resta d'aquest bucle, i continuar amb la següent iteració.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Advertència: Aquest bloc només es pot utilitzar dins d'un bucle.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "per a cada element %1 en la llista %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Per a cada element en la llista, desar l'element dins la variable '%1', i llavors executar unes sentències.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "comptar amb %1 des de %2 fins a %3 en increments de %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Fer que la variable \"%1\" prengui els valors des del nombre inicial fins al nombre final, incrementant a cada pas l'intèrval indicat, i executar els blocs especificats.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Afegeix una condició al bloc 'si'.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Afegeix una condició final, que recull qualsevol altra possibilitat, al bloc 'si'.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Afegeix, esborra o reordena seccions per reconfigurar aquest bloc 'si'.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "si no";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "si no, si";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "si";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Si un valor és cert, llavors executar unes sentències.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Si un valor és cert, llavors executar el primer bloc de sentències. En cas contrari, executar el segon bloc de sentències.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Si el primer valor és cert, llavors executar el primer bloc de sentències. En cas contrari, si el segon valor és cert, executar el segon bloc de sentències.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Si el primer valor és cert, llavors executar el primer bloc de sentències. En cas contrari, si el segon valor és cert, executar el segon bloc de sentències. Si cap dels valors és cert, executar l'últim bloc de sentències.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://ca.wikipedia.org/wiki/Bucle_For";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "fer";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "repetir %1 vegades";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Executar unes sentències diverses vegades.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "repetir fins que";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "repetir mentre";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Mentre un valor sigui fals, llavors executar unes sentències.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Mentre un valor sigui cert, llavors executar unes sentències.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Esborrar els %1 blocs?";
-Blockly.Msg["DELETE_BLOCK"] = "Esborra bloc";
-Blockly.Msg["DELETE_VARIABLE"] = "Esborrar la variable '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Esborrar '%1' crides de la variable '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Esborra %1 blocs";
-Blockly.Msg["DISABLE_BLOCK"] = "Desactiva bloc";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplica";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Comentari duplicat";
-Blockly.Msg["ENABLE_BLOCK"] = "Activa bloc";
-Blockly.Msg["EXPAND_ALL"] = "Expandir blocs";
-Blockly.Msg["EXPAND_BLOCK"] = "Expandir bloc";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Entrades externes";
-Blockly.Msg["HELP"] = "Ajuda";
-Blockly.Msg["INLINE_INPUTS"] = "Entrades en línia";
-Blockly.Msg["IOS_CANCEL"] = "Cancel·lar";
-Blockly.Msg["IOS_ERROR"] = "Error";
-Blockly.Msg["IOS_OK"] = "D'acord";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Afegeix Entrada";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Permetre instruccions";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Aquesta funció té entrades duplicades.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ENTRADES";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Afegir";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Afegeix Variable";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Esborrar";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "No es pot fer servir un nom de variable buit.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Reanomena";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Nom de la variable";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "crear llista buida";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Retorna una llista, de longitud 0, que no conté cap dada.";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "llista";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Afegeix, esborra o reordena seccions per reconfigurar aquest bloc de llista.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "crear llista amb";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Afegeix un element a la llista.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Crea una llista amb qualsevol nombre d'elements.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "primer";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "núm.# des del final";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "recupera";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "recupera i esborra";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "últim";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "a l'atzar";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "esborra";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Retorna el primer element d'una llista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Retorna l'element de la posició especificada a la llista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Retorna l'últim element d'una llista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Retorna un element a l'atzar d'una llista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Esborra i retorna el primer element d'una llista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Esborra i retorna l'element de la posició especificada de la llista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Esborra i retorna l'últim element d'una llista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Esborra i retorna un element a l'atzar d'una llista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Esborra el primer element d'una llista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Esborra l'element de la posició especificada de la llista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Esborra l'últim element d'una llista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Esborra un element a l'atzar d'una llista.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "fins # des del final";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "fins #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "fins l'últim";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "recupera sub-llista des del principi";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "recupera sub-llista des de # des del final";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "recupera sub-llista des de #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Crea una còpia de la part especificada d'una llista.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 és l'últim element.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 és el primer element.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "buscar primera aparició d'un element";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "buscar última aparició d'un element";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Retorna l'índex de la primera/última aparició d'un element a la llista. Retorna %1 si no s'hi troba l'element.";
-Blockly.Msg["LISTS_INLIST"] = "en la llista";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 és buida";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Retorna cert si la llista és buida.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "longitud de %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Retorna la longitud d'una llista.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "crea llista amb element %1 repetit %2 vegades";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Crea una llista formada pel valor donat, repetit tantes vegades com s'indiqui.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "invertir %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Invertir la còpia d'una llista.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "com";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insereix a";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "modifica";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Insereix l'element al principi d'una llista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Insereix l'element a la posició especificada d'una llista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Afegeix l'element al final d'una llista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Insereix l'element en una posició a l'atzar d'una llista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Modifica el primer element d'una llista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Modifica l'element de la posició especificada d'una llista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Modifica l'últim element d'una llista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Modifica un element a l'atzar d'una llista.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascendent";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descendent";
-Blockly.Msg["LISTS_SORT_TITLE"] = "ordenar %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Ordena la còpia d'una llista.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabètic, ignorant majúscules";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numèric";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabètic";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "fer una llista d'un text";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "fer un text d'una llista";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Ajunta una llista de textos en un text, separats per un delimitador.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Parteix el text en una llista de textos, trencant-lo a cada delimitador.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "amb delimitador";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "fals";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Retorna o bé cert o bé fals.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "cert";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://ca.wikipedia.org/wiki/Inequaci%C3%B3";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Retorna cert si totes dues entrades són iguals.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Retorna cert si la primera entrada és més gran que la segona entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Retorna cert si la primera entrada és més gran o igual a la segona entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Retorna cert si la primera entrada és més petita que la segona entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Retorna cert si la primera entra és més petita o igual a la segona entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Retorna cert si totes dues entrades són diferents.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "no %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Retorna cert si l'entrada és falsa. Retorna fals si l'entrada és certa.";
-Blockly.Msg["LOGIC_NULL"] = "nul";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Retorna nul.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "i";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "o";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Retorna cer si totes dues entrades són certes.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Retorna cert si almenys una de les entrades és certa.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "condició";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "si és fals";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "si és cert";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Comprova la condició de 'condició'. Si la condició és certa, retorna el valor 'si és cert'; en cas contrari, retorna el valor 'si és fals'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://ca.wikipedia.org/wiki/Aritm%C3%A8tica";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Retorna la suma dels dos nombres.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Retorna el quocient dels dos nombres.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Retorna la diferència entre els dos nombres.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Retorna el producte del dos nombres.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Retorna el primer nombre elevat a la potència indicada pel segon nombre.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://ca.wikipedia.org/wiki/Inverses_de_les_funcions_trigonom%C3%A8triques#L'arctangent_amb_dos_arguments";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 de X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Torna l'arctangent del punt (X,Y) en graus de -180 a 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://ca.wikipedia.org/wiki/Suma";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "canvia %1 per %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Afegeix un nombre a la variable '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://ca.wikipedia.org/wiki/Constant_matem%C3%A0tica";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Retorna una de les constants més habituals: π (3,141…), e (2,718…), φ (1,618…), sqrt(2) (1,414…), sqrt(½) (0,707…), o ∞ (infinit).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "limitar %1 entre %2 i %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Limita un nombre perquè estigui entre els límits especificats (inclosos).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "és divisible per";
-Blockly.Msg["MATH_IS_EVEN"] = "és parell";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "és negatiu";
-Blockly.Msg["MATH_IS_ODD"] = "és senar";
-Blockly.Msg["MATH_IS_POSITIVE"] = "és positiu";
-Blockly.Msg["MATH_IS_PRIME"] = "és primer";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Comprova si un nombre és parell, senar, enter, positium negatiu, o si és divisible per un cert nombre. Retorna cert o fals.";
-Blockly.Msg["MATH_IS_WHOLE"] = "és enter";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://ca.wikipedia.org/wiki/Residu_%28aritm%C3%A8tica%29";
-Blockly.Msg["MATH_MODULO_TITLE"] = "residu de %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Retorna el residu de dividir els dos nombres.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://ca.wikipedia.org/wiki/Nombre";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Un nombre.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "mitjana de llista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "màxim de llista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "mediana de llista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "mínim de llista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "moda de llista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "element aleatori de llista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "desviació estàndard de llista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "suma de llista";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Retorna la mitjana (mitjana aritmètica) dels valors numèrics de la llista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Retorna el nombre més gran de la llista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Retorna la mediana de la llista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Retorna el nombre més petit de la llista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Retorna una llista dels elements que apareixen més vegades a la llista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Retorna un element aleatori de la lllista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Retorna la desviació estàndard de la llista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Retorna la suma de tots els nombres de la llista.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://ca.wikipedia.org/wiki/Generaci%C3%B3_de_nombres_aleatoris";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "fracció aleatòria";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Retorna una fracció aleatòria entre 0,0 (inclòs) i 1,0 (exclòs).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://ca.wikipedia.org/wiki/Generaci%C3%B3_de_nombres_aleatoris";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "nombre aleatori entre %1 i %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Retorna un nombre aleatori entre els dos límits especificats, inclosos.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://ca.wikipedia.org/wiki/Arrodoniment";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "arrodonir";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "arrodonir cap avall";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "arrodonir cap amunt";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Arrodonir un nombre cap amunt o cap avall.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://ca.wikipedia.org/wiki/Arrel_quadrada";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolut";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "arrel quadrada";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Retorna el valor absolut d'un nombre.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Retorna ''e'' elevat a la potència del nombre indicat.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Retorna el logaritme natural d'un nombre.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Retorna el logaritme en base 10 d'un nombre.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Retorna l'oposat d'un nombre.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Retorna 10 elevat a la potència del nombre indicat.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Retorna l'arrel quadrada d'un nombre.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://ca.wikipedia.org/wiki/Funci%C3%B3_trigonom%C3%A8trica";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Retorna l'arccosinus d'un nombre.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Retorna l'arcsinus d'un nombre.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Retorna l'arctangent d'un nombre.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Retorna el cosinus d'un grau (no radiant).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Retorna el sinus d'un grau (no radiant).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Retorna la tangent d'un grau (no radiant).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Crear variable de color...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Crea variable numèrica...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Crear variable de cadena…";
-Blockly.Msg["NEW_VARIABLE"] = "Crea una variable…";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nou nom de variable:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Nou tipus de variable:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "permetre declaracions";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "amb:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://ca.wikipedia.org/wiki/Procediment_%28Programació%29";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Executa la funció definida per usuari '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://ca.wikipedia.org/wiki/Procediment_%28Programació%29";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Executa la funció definida per l'usuari '%1' i utilitza la seva sortida.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "amb:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Crear '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Descriure aquesta funció...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "fes alguna cosa";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "a";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Crea una funció sense sortida.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "retorna";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Crea una funció amb una sortida.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Advertència: Aquesta funció té paràmetres duplicats.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Iluminar la definició de la funció";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Si el valor és cert, llavors retorna un segon valor.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Advertència: Aquest bloc només es pot utilitzar dins de la definició d'una funció.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "nom d'entrada:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Afegir una entrada per la funció.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "entrades";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Afegir, eliminar o canviar l'ordre de les entrades per aquesta funció.";
-Blockly.Msg["REDO"] = "Refer";
-Blockly.Msg["REMOVE_COMMENT"] = "Elimina el comentari";
-Blockly.Msg["RENAME_VARIABLE"] = "Reanomena variable...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Reanomena totes les variables '%1' a:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "a %1 afegir text %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Afegir un text a la variable '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "a minúscules";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "a Text De Títol";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "a MAJÚSCULES";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Retorna una còpia del text amb diferents majúscules/minúscules.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "recupera la primera lletra";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "recupera la lletra núm.# des del final";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "recupera la lletra núm.#";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "recupera l'última lletra";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "recupera una lletra a l'atzar";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "en el text %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Recupera la lletra de la posició especificada.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "comptar %1 en %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Compta quantes vegades hi ha un text dins d'un altre text.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Afegeix un element al text.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "unir";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Afegeix, esborrar o reordenar seccions per reconfigurar aquest bloc de text.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "fins a la lletra núm.# des del final";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "fins a la lletra núm.#";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "fins a l'última lletra";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "en el text";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "recupera subcadena des de la primera lletra";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "recupera subcadena des de la lletra núm.# des del final";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "recupera subcadena des de la lletra núm.#";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Recupera una part especificada del text.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "trobar la primera aparició del text";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "trobar l'última aparició del text";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "en el text %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Retorna l'índex de la primera/última aparició del primer text dins el segon. Retorna %1 si no es troba el text.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 està buit";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Retorna cert si el text proporcionat està buit.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "crear text amb";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Crea un tros de text per unió de qualsevol nombre d'elements.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "llargària de %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Retorna el nombre de lletres (espais inclosos) en el text proporcionat.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "imprimir %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Imprimir el text, el nombre o altre valor especificat.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Demana que l'usuari introdueixi un nombre.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Demana que l'usuari introdueixi un text.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "demanar un nombre amb el missatge";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "demanar text amb el missatge";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "substituir %1 amb %2 en %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Substitueix totes les aparicions d'un text dins d'un altre text.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "invertir %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Inverteix l'ordre dels caràcters en el text.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://ca.wikipedia.org/wiki/Cadena_%28inform%C3%A0tica%29";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Una lletra, paraula o línia de text.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "retalla espais de tots dos extrems de";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "retalla espais de l'esquerra de";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "retalla espais de la dreta de";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Retorna una còpia del text on s'han esborrat els espais d'un o dels dos extrems.";
-Blockly.Msg["TODAY"] = "Avui";
-Blockly.Msg["UNDO"] = "Desfer";
-Blockly.Msg["UNNAMED_KEY"] = "sense nom";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "element";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Crea 'modifica %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Retorna el valor d'aquesta variable.";
-Blockly.Msg["VARIABLES_SET"] = "modifica %1 a %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Crear 'recupera %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Modifica aquesta variable al valor introduït.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Ja existeix una variable anomenada '%1'.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Una variable anomenada '%1' ja existeix per al tipus '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Espai de treball Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Digues alguna cosa...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/cs.js b/msg/js/cs.js
deleted file mode 100644
index 44219ef3d85..00000000000
--- a/msg/js/cs.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Přidat komentář";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Změnit hodnotu:";
-Blockly.Msg["CLEAN_UP"] = "Uspořádat bloky";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Sbalit bloky";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Sbalit blok";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "barva 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "barva 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "poměr";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "smíchat";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Smíchá dvě barvy v daném poměru (0.0–1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://cs.wikipedia.org/wiki/Barva";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Vyberte barvu z palety.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "náhodná barva";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Zvolte barvu náhodně.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "modrá";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "zelená";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "červená";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "obarvěte barvou";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Vytvoř barvu se zadaným množstvím červené, zelené a modré.  Všechny hodnoty musí být mezi 0 a 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "vyskočit ze smyčky";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "pokračuj dalším opakováním smyčky";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Vyskoč z vnitřní smyčky.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Přeskoč zbytek této smyčky a pokračuj dalším opakováním.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Upozornění: Tento blok může být použit pouze uvnitř smyčky.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "pro každou položku %1 v seznamu %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Pro každou položku v seznamu nastavte do proměnné '%1' danou položku a proveďte nějaké operace.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "počítat s %1 od %2 do %3 po %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Nechá proměnnou '%1' nabývat hodnot od počátečního do koncového čísla po daném přírůstku a provádí s ní příslušné bloky.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Přidat podmínku do \"pokud\" bloku.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Přidej konečnou podmínku zahrnující ostatní případy do bloku \"pokud\".";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Přidej, odstraň či uspořádej sekce k přenastavení tohoto bloku \"pokud\".";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "jinak";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "nebo pokud";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "pokud";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Je-li hodnota pravda, proveď určité příkazy.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Je-li hodnota pravda, proveď první blok příkazů.  V opačném případě proveď druhý blok příkazů.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Je-li první hodnota pravdivá, proveď první blok příkazů. V opačném případě, je-li pravdivá druhá hodnota, proveď druhý blok příkazů.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Je-li první hodnota pravda, proveď první blok příkazů.  Je-li druhá hodnota pravda, proveď druhý blok příkazů.  Pokud žádná hodnota není pravda, proveď poslední blok příkazů.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://cs.wikipedia.org/wiki/Cyklus_pro";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "dělej";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "opakuj %1 krát";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Proveď určité příkazy několikrát.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "opakovat dokud";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "opakovat když";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Dokud je hodnota nepravdivá, prováděj určité příkazy.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Dokud je hodnota pravdivá, prováděj určité příkazy.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Smazat všech %1 bloků?";
-Blockly.Msg["DELETE_BLOCK"] = "Smazat blok";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "Smazat %1 bloků";
-Blockly.Msg["DISABLE_BLOCK"] = "Deaktivovat blok";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplikovat";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Povolit blok";
-Blockly.Msg["EXPAND_ALL"] = "Rozbalit bloky";
-Blockly.Msg["EXPAND_BLOCK"] = "Rozbalit blok";
-Blockly.Msg["EXTERNAL_INPUTS"] = "vnější vstupy";
-Blockly.Msg["HELP"] = "Nápověda";
-Blockly.Msg["INLINE_INPUTS"] = "Vložené vstupy";
-Blockly.Msg["IOS_CANCEL"] = "Storno";
-Blockly.Msg["IOS_ERROR"] = "Chyba";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "vstupy";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Přidat";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Smazat";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Přejmenovat";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "vytvořit prázdný seznam";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Vrátí seznam nulové délky, který neobsahuje žádné datové záznamy";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "seznam";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Přidat, odebrat nebo změnit pořadí oddílů tohoto seznamu bloku.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "vytvořit seznam s";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Přidat položku do seznamu.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Vytvoř seznam s libovolným počtem položek.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "první";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# od konce";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "získat";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "získat a odstranit";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "poslední";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "náhodné";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "odstranit";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Vrátí první položku v seznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Získá položku z určené pozice v seznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Vrátí poslední položku v seznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Vrátí náhodnou položku ze seznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Odstraní a vrátí první položku v seznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Odstraní a získá položku z určené pozice v seznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Odstraní a vrátí poslední položku v seznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Odstraní a vrátí náhodnou položku v seznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Odstraní první položku v seznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Odebere položku na konkrétním místě v seznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Odstraní poslední položku v seznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Odstraní náhodou položku v seznamu.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "do # od konce";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "do #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "jako poslední";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "získat podseznam od první položky";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "získat podseznam od # od konce";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "získat podseznam od #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Vytvoří kopii určené části seznamu.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 je poslední položka.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 je první položka.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "najít první výskyt položky";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "najít poslední výskyt položky";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Vrací index prvního/posledního výskytu položky v seznamu. Vrací %1, pokud položka nebyla nalezena.";
-Blockly.Msg["LISTS_INLIST"] = "v seznamu";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 je prázdné";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Vrátí hodnotu pravda, pokud je seznam prázdný.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "délka %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Vrací počet položek v seznamu.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "vytvoř seznam s položkou %1 opakovanou %2 krát";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Vytváří seznam obsahující danou hodnotu n-krát.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "jako";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "vložit na";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "nastavit";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Vložit položku na začátek seznamu.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Vloží položku na určenou pozici v seznamu.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Připojí položku na konec seznamu.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Připojí položku náhodně do seznamu.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Nastaví první položku v seznamu.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Nastaví položku na konkrétní místo v seznamu.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Nastaví poslední položku v seznamu.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Nastaví náhodnou položku v seznamu.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "vzestupně";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "sestupně";
-Blockly.Msg["LISTS_SORT_TITLE"] = "seřadit %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Seřadit kopii seznamu.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "abecedně, na velikosti písmen nezáleží";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "číselné";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "abecedně";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "udělat z textu seznam";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "udělat ze seznamu text";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Spojit seznam textů do jednoho textu, rozdělaného oddělovači.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Rozdělit text do seznamu textů, lámání na oddělovačích.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "s oddělovačem";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "nepravda";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Vrací pravda nebo nepravda.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "pravda";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://cs.wikipedia.org/wiki/Nerovnost_(matematika)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Vrátí hodnotu pravda, pokud se oba vstupy rovnají jeden druhému.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Navrátí hodnotu pravda, pokud první vstup je větší než druhý vstup.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Navrátí hodnotu pravda, pokud je první vstup větší a nebo rovný druhému vstupu.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Navrátí hodnotu pravda, pokud je první vstup menší než druhý vstup.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Navrátí hodnotu pravda, pokud je první vstup menší a nebo rovný druhému vstupu.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Vrátí hodnotu pravda, pokud se oba vstupy nerovnají sobě navzájem.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ne %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Navrátí hodnotu pravda, pokud je vstup nepravda. Navrátí hodnotu nepravda, pokud je vstup pravda.";
-Blockly.Msg["LOGIC_NULL"] = "prázdný";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Vrátí prázdnou hodnotu";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "a";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "nebo";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Vrátí hodnotu pravda, pokud oba dva vstupy jsou pravdivé.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Vrátí hodnotu pravda, pokud alespoň jeden ze vstupů má hodnotu pravda.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://cs.wikipedia.org/wiki/Ternární operátor (programování)";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "pokud nepravda";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "pokud pravda";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Zkontroluje podmínku v \"testu\". Když je podmínka pravda, vrátí hodnotu \"pokud pravda\"; v opačném případě vrátí hodnotu \"pokud nepravda\".";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://cs.wikipedia.org/wiki/Aritmetika";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Vrátí součet dvou čísel.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Vrátí podíl dvou čísel.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Vrátí rozdíl dvou čísel.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Vrátí součin dvou čísel.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Vrátí první číslo umocněné na druhé číslo.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "zaměň %1 za %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Přičti číslo k proměnné '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Vraťte jednu z následujících konstant: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (nekonečno).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "omez %1 na rozmezí od %2 do %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Omezí číslo tak, aby bylo ve stanovených mezích (včetně).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "je dělitelné číslem";
-Blockly.Msg["MATH_IS_EVEN"] = "je sudé";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "je záporné";
-Blockly.Msg["MATH_IS_ODD"] = "je liché";
-Blockly.Msg["MATH_IS_POSITIVE"] = "je kladné";
-Blockly.Msg["MATH_IS_PRIME"] = "je prvočíslo";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Kontrola, zda je číslo sudé, liché, prvočíslo, celé, kladné, záporné nebo zda je dělitelné daným číslem. Vrací pravdu nebo nepravdu.";
-Blockly.Msg["MATH_IS_WHOLE"] = "je celé";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://cs.wikipedia.org/wiki/Modul%C3%A1rn%C3%AD_aritmetika";
-Blockly.Msg["MATH_MODULO_TITLE"] = "zbytek po dělení %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Vrátí zbytek po dělení dvou čísel.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://cs.wikipedia.org/wiki/Číslo";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Číslo.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "průměr v seznamu";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "největší v seznamu";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "medián v seznamu";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "nejmenší v seznamu";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "nejčastější ze seznamu";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "náhodná položka seznamu";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "směrodatná odchylka ze seznamu";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "suma seznamu";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Vrátí průměr (aritmetický průměr) číselných hodnot v seznamu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Vrátí největší číslo v seznamu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Vrátí medián seznamu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Vrátí nejmenší číslo v seznamu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Vrátí seznam nejčastějších položek seznamu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Vrátí náhodnou položku ze seznamu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Vrátí směrodatnou odchylku seznamu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Vrátí součet všech čísel v seznamu.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://cs.wikipedia.org/wiki/Gener%C3%A1tor_n%C3%A1hodn%C3%BDch_%C4%8D%C3%ADsel";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "náhodné číslo mezi 0 (včetně) do 1";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Vrátí náhodné číslo mezi 0,0 (včetně) až 1,0";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://cs.wikipedia.org/wiki/Gener%C3%A1tor_n%C3%A1hodn%C3%BDch_%C4%8D%C3%ADsel";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "náhodné celé číslo od %1 do %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Vrací náhodné celé číslo mezi dvěma určenými mezemi, včetně mezních hodnot.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "zaokrouhlit";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "zaokrouhlit dolů";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "zaokrouhlit nahoru";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Zaokrouhlit číslo nahoru nebo dolů.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://cs.wikipedia.org/wiki/Druhá_odmocnina";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolutní hodnota";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "druhá odmocnina";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Vrátí absolutní hodnotu čísla.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Vrátí mocninu čísla e.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Vrátí přirozený logaritmus čísla.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Vrátí desítkový logaritmus čísla.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Vrátí zápornou hodnotu čísla.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Vrátí mocninu čísla 10.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Vrátí druhou odmocninu čísla.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "arcsin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "arctan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Vrátí arkus kosinus čísla.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Vrátí arkus sinus čísla.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Vrátí arkus tangens čísla.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Vrátí kosinus úhlu ve stupních.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Vrátí sinus úhlu ve stupních.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Vrátí tangens úhlu ve stupních.";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Vytvořit barvu proměnné...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Vytvořit číselnou proměnnou...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Vytvořit řetězcovou proměnnou...";
-Blockly.Msg["NEW_VARIABLE"] = "Vytvořte proměnnou...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nový název proměnné:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Nový typ proměnné:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "povolit příkazy";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "s:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://cs.wikipedia.org/wiki/Podprogram";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Spustí uživatelem definovanou funkci '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://cs.wikipedia.org/wiki/Podprogram";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Spustí uživatelem definovanou funkci '%1' a použije její výstup.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "s:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Vytvořit '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Popište tuto funkci...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://cs.wikipedia.org/w/index.php?title=Funkce_(programování)";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "proveď něco";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "k provedení";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Vytvořit funkci bez výstupu.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://cs.wikipedia.org/w/index.php?title=Funkce_(programování)";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "navrátit";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Vytvořit funkci s výstupem.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Upozornění: Tato funkce má duplicitní parametry.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Zvýraznit definici funkce";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Je-li hodnota pravda, pak vrátí druhou hodnotu.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Varování: Tento blok může být použit pouze uvnitř definici funkce.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "vstupní jméno:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Přidat vstupy do funkce.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "vstupy";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Přidat, odebrat nebo změnit pořadí vstupů této funkce.";
-Blockly.Msg["REDO"] = "Znovu";
-Blockly.Msg["REMOVE_COMMENT"] = "Odstranit komentář";
-Blockly.Msg["RENAME_VARIABLE"] = "Přejmenovat proměnnou...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Přejmenuj všech '%1' proměnných na:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "do %1 přidat text %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Přidá určitý text k proměnné '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "na malá písmena";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "na Počáteční Velká Písmena";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "na VELKÁ PÍSMENA";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Vrátí kopii textu s jinou velikostí písmen.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "získat první písmeno";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "získat # písmeno od konce";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "získat písmeno #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "získat poslední písmeno";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "získat náhodné písmeno";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Získat písmeno na konkrétní pozici.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Přidat položku do textu.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "spojit";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Přidat, odebrat nebo změnit pořadí oddílů tohoto textového bloku.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "do # písmene od konce";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "do písmene #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "do posledního písmene";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "v textu";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "získat podřetězec od prvního písmene";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "získat podřetězec od písmene # od konce";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "získat podřetězec od písmene #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Získat zadanou část textu.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "najít první výskyt textu";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "najít poslední výskyt textu";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "v textu %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Vrátí index prvního/posledního výskytu prvního textu v druhém textu.  Pokud text není nalezen, vypíše %1.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 je prázdný";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Vrátí pravda pokud je zadaný text prázdný.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "vytvořit text s";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Vytvoří kousek textu spojením libovolného počtu položek.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "délka %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Vrátí počet písmen (včetně mezer) v zadaném textu.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "tisk %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Tisk zadaného textu, čísla nebo jiné hodnoty.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Výzva pro uživatele k zadání čísla.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Výzva pro uživatele k zadání nějakého textu.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "výzva k zadání čísla se zprávou";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "výzva k zadání textu se zprávou";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://cs.wikipedia.org/wiki/Textov%C3%BD_%C5%99et%C4%9Bzec";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Písmeno, slovo nebo řádek textu.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "odstranit mezery z obou stran";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "odstranit mezery z levé strany";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "odstranit mezery z pravé strany";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Vrátí kopii textu s odstraněnými mezerami z jednoho nebo obou konců.";
-Blockly.Msg["TODAY"] = "Dnes";
-Blockly.Msg["UNDO"] = "Zpět";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "položka";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Vytvořit \"nastavit %1\"";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Vrátí hodnotu této proměnné.";
-Blockly.Msg["VARIABLES_SET"] = "nastavit %1 na %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Vytvořit \"získat %1\"";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Nastaví tuto proměnnou, aby se rovnala vstupu.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Proměnná pojmenovaná jako '%1' již existuje pro jiný typ: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/da.js b/msg/js/da.js
deleted file mode 100644
index 2a53b432e2c..00000000000
--- a/msg/js/da.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Tilføj Kommentar";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Kan ikke slette variablen »%1« da den er en del af definitionen af funktionen »%2«";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Skift værdi:";
-Blockly.Msg["CLEAN_UP"] = "Ryd op i blokke";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Fold blokkene sammen";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Fold blokken sammen";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "farve 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "farve 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "i forholdet";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "bland";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Blander to farver sammen i et bestemt forhold (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://da.wikipedia.org/wiki/Farve";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Vælg en farve fra paletten.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "tilfældig farve";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Vælg en tilfældig farve.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blå";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "grøn";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "rød";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "farve med";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Lav en farve med den angivne mængde af rød, grøn og blå. Alle værdier skal være mellem 0 og 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "bryd ud af løkken";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "fortsæt med den næste gentagelse i løkken";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Bryd ud af den omgivende løkke.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Spring resten af denne løkke over, og fortsæt med den næste gentagelse.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Advarsel: Denne blok kan kun bruges i en løkke.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "for hvert element %1 i listen %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For hvert element i en liste, sæt variablen '%1' til elementet, og udfør derefter nogle kommandoer.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "tæl med %1 fra %2 til %3 med %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Få variablen \"%1\" til at have værdierne fra startværdien til slutværdien, mens der tælles med det angivne interval, og udfør de angivne blokke.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Tilføj en betingelse til denne \"hvis\" blok.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Tilføj en sidste fang-alt betingelse, til denne \"hvis\" blok.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Tilføj, fjern eller byt om på rækkefølgen af delene for at konfigurere denne \"hvis\" blok.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "ellers";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "ellers hvis";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "hvis";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Hvis en værdi er sand, så udfør nogle kommandoer.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Hvis en værdi er sand, så udfør den første blok af kommandoer. Ellers udfør den anden blok af kommandoer.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Hvis den første værdi er sand, så udfør den første blok af kommandoer.  Ellers, hvis den anden værdi er sand, så udfør den anden blok af kommandoer.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Hvis den første værdi er sand, så udfør den første blok af kommandoer. Ellers, hvis den anden værdi er sand, så udfør den anden blok af kommandoer. Hvis ingen af værdierne er sande, så udfør den sidste blok af kommandoer.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://da.wikipedia.org/wiki/For-l%C3%B8kke";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "udfør";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "gentag %1 gange";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Udfør nogle kommandoer flere gange.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "gentag indtil";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "gentag sålænge";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Udfør nogle kommandoer, sålænge en værdi er falsk.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Udfør nogle kommandoer, sålænge en værdi er sand.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Slet alle %1 blokke?";
-Blockly.Msg["DELETE_BLOCK"] = "Slet blok";
-Blockly.Msg["DELETE_VARIABLE"] = "Slet variablen »%1«";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Slet %1's brug af variablen »%2«?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Slet %1 blokke";
-Blockly.Msg["DISABLE_BLOCK"] = "Deaktivér blok";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplikér";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplikér Kommentar";
-Blockly.Msg["ENABLE_BLOCK"] = "Aktivér blok";
-Blockly.Msg["EXPAND_ALL"] = "Fold blokkene ud";
-Blockly.Msg["EXPAND_BLOCK"] = "Fold blokken ud";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Udvendige inputs";
-Blockly.Msg["HELP"] = "Hjælp";
-Blockly.Msg["INLINE_INPUTS"] = "Indlejrede inputs";
-Blockly.Msg["IOS_CANCEL"] = "Annuller";
-Blockly.Msg["IOS_ERROR"] = "Fejl";
-Blockly.Msg["IOS_OK"] = "O.k.";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Tilføj inddata";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Tillad udsagn";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Denne funktion har duplikerede inddata.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INDDATA";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Tilføj";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Tilføj variabel";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Slet";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Du kan ikke bruge et tomt variabelnavn.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Omdøb";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variabelnavn";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "opret en tom liste";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returnerer en liste af længde 0, som ikke indeholder nogen data";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "liste";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Tilføj, fjern eller byt om på rækkefølgen af delene for at konfigurere denne blok.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "opret liste med";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Føj et element til listen.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Opret en liste med et vilkårligt antal elementer.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "første";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# fra slutningen";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "hent";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "hent og fjern";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "sidste";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "tilfældig";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "fjern";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returnerer det første element i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returnerer elementet på den angivne position på en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returnerer den sidste element i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returnerer et tilfældigt element i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Fjerner og returnerer det første element i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Fjerner og returnerer elementet på den angivne position på en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Fjerner og returnerer det sidste element i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Fjerner og returnerer et tilfældigt element i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Fjerner det første element i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Fjerner elementet på den angivne position på en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Fjerner sidste element i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Fjerner et tilfældigt element i en liste.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "til # fra slutningen";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "til #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "til sidste";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "hent underliste fra første";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "hent underliste fra # fra slutningen";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "hent underliste fra #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Opretter en kopi af den angivne del af en liste.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 er det sidste element.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 er det første element.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find første forekomst af elementet";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find sidste forekomst af elementet";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returnerer indeks for første/sidste forekomst af elementet i listen. Returnerer %1, hvis elementet ikke kan findes.";
-Blockly.Msg["LISTS_INLIST"] = "i listen";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 er tom";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returnerer sand, hvis listen er tom.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "længden af %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returnerer længden af en liste.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "opret liste med elementet %1 gentaget %2 gange";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Opretter en liste bestående af den givne værdi gentaget et bestemt antal gange.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "vend %1 om";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Vend en kopi af en liste om.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "som";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "indsæt ved";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "sæt";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Indsætter elementet i starten af en liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Indsætter elementet på den angivne position i en liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Føj elementet til slutningen af en liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Indsætter elementet tilfældigt i en liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sætter det første element i en liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sætter elementet på den angivne position i en liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sætter det sidste element i en liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sætter et tilfældigt element i en liste.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "stigende";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "faldende";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sorter %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sorter en kopi af en liste.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabetisk, ignorer store/små bogstaver";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "nummerorden";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabetisk";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "lav tekst til liste";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "lav liste til tekst";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Saml en liste af tekster til én tekst, der er adskilt af et skilletegn.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Bryd tekst op i en liste af tekster med brud ved hvert skilletegn.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "med skilletegn";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "falsk";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Returnerer enten sand eller falsk.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "sand";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://da.wikipedia.org/wiki/Ulighed_(matematik)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Returnere sand, hvis begge inputs er lig med hinanden.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Returnere sand, hvis det første input er større end det andet input.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Returnere sand, hvis det første input er større end eller lig med det andet input.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Returnere sand, hvis det første input er mindre end det andet input.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Returnere sand, hvis det første input er mindre end eller lig med det andet input.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Returnere sand, hvis begge inputs ikke er lig med hinanden.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ikke %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returnerer sand, hvis input er falsk. Returnerer falsk, hvis input er sandt.";
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returnerer null.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "og";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "eller";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Returnere sand, hvis begge inputs er sande.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Returnere sand, hvis mindst et af inputtene er sande.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "hvis falsk";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "hvis sand";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Kontrollér betingelsen i 'test'. Hvis betingelsen er sand, returnér \"hvis sand\" værdien; ellers returnér \"hvis falsk\" værdien.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://da.wikipedia.org/wiki/Aritmetik";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Returnere summen af de to tal.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Returnere kvotienten af de to tal.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Returnere forskellen mellem de to tal.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Returnere produktet af de to tal.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Returnere det første tal opløftet til potensen af det andet tal.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 af X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "skift %1 med %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Læg et tal til variablen '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://da.wikipedia.org/wiki/Matematisk_konstant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Returnere en af de ofte brugte konstanter: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(2) (1.414…), sqrt(½) (0.707…) eller ∞ (uendeligt).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "begræns %1 til mellem %2 og %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Begræns et tal til at være mellem de angivne grænser (inklusiv).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = ":";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "er deleligt med";
-Blockly.Msg["MATH_IS_EVEN"] = "er lige";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "er negativt";
-Blockly.Msg["MATH_IS_ODD"] = "er ulige";
-Blockly.Msg["MATH_IS_POSITIVE"] = "er positivt";
-Blockly.Msg["MATH_IS_PRIME"] = "er et primtal";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Kontrollere, om et tal er lige, ulige, primtal, helt, positivt, negativt, eller om det er deleligt med bestemt tal. Returnere sandt eller falskt.";
-Blockly.Msg["MATH_IS_WHOLE"] = "er helt";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://da.wikipedia.org/wiki/Modulo";
-Blockly.Msg["MATH_MODULO_TITLE"] = "resten af %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Returner resten fra at dividere de to tal.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://da.wikipedia.org/wiki/Tal";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Et tal.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "gennemsnit af listen";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "største tal i listen";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "listens median";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "mindste tal i listen";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "listens typetal";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "tilfældigt element fra listen";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standardafvigelsen for listen";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "summen af listen";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Returner gennemsnittet (middelværdien) af de numeriske værdier i listen.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Returner det største tal i listen.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Returner listens median.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Returner det mindste tal i listen.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Returner en liste over de mest almindelige elementer på listen.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Returner et tilfældigt element fra listen.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Returner standardafvigelsen for listen.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Returner summen af alle tal i listen.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://da.wikipedia.org/wiki/Tilfældighedsgenerator";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "tilfældigt decimaltal (mellem 0 og 1)";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Returner et tilfældigt decimaltal mellem 0,0 (inklusiv) og 1,0 (eksklusiv).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://da.wikipedia.org/wiki/Tilfældighedsgenerator";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "tilfældigt heltal mellem %1 og %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Returner et tilfældigt heltal mellem de to angivne grænser (inklusiv).";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://da.wikipedia.org/wiki/Afrunding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "afrund";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "rund ned";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "rund op";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Runde et tal op eller ned.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://da.wikipedia.org/wiki/Kvadratrod";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolut";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "kvadratrod";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Returnere den absolutte værdi af et tal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Returnere e til potensen af et tal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Returnere den naturlige logaritme af et tal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Returnere 10-talslogaritmen af et tal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Returnere negationen af et tal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Returnere 10 til potensen af et tal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Returnere kvadratroden af et tal.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://da.wikipedia.org/wiki/Trigonometrisk_funktion";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Returnere arcus cosinus af et tal.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Returnere arcus sinus af et tal.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Returnere arcus tangens af et tal.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Returnere cosinus af en vinkel (i grader).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Returnere sinus af en vinkel (i grader).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Returnere tangens af en vinkel (i grader).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Opret farvevariabel ...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Opret nummervariabel ...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Opret strengvariabel ...";
-Blockly.Msg["NEW_VARIABLE"] = "Opret variabel ...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Navn til den nye variabel:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Ny variabeltype:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "tillad erklæringer";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "med:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Kør den brugerdefinerede funktion '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Kør den brugerdefinerede funktion '%1' og brug dens returværdi.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "med:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Opret '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Beskriv denne funktion...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "gøre noget";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "for at";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Opretter en funktion der ikke har nogen returværdi.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "returnér";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Opretter en funktion der har en returværdi.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Advarsel: Denne funktion har dublerede parametre.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Markér funktionsdefinitionen";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Hvis en værdi er sand, så returnér en anden værdi.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Advarsel: Denne blok kan kun anvendes inden for en funktionsdefinition.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "parameternavn:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Tilføj en parameter til funktionen.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "parametre";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Tilføje, fjerne eller ændre rækkefølgen af parametre til denne funktion.";
-Blockly.Msg["REDO"] = "Omgør";
-Blockly.Msg["REMOVE_COMMENT"] = "Fjern Kommentar";
-Blockly.Msg["RENAME_VARIABLE"] = "Omdøb variabel...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Omdøb alle '%1' variabler til:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "til %1 tilføj tekst %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Tilføj noget tekst til variablen '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "til små bogstaver";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "til Stort Begyndelsesbogstav";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "til STORE BOGSTAVER";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Returner en kopi af teksten hvor bogstaverne enten er udelukkende store eller små, eller hvor første bogstav i hvert ord er stort.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "hent første bogstav";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "hent bogstav # fra slutningen";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "hent bogstav #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "hent sidste bogstav";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "hent tilfældigt bogstav";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "i tekst %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returnerer bogstavet på den angivne placering.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "tæl %1 i %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Tæl hvor mange gange noget tekst fremgår i en anden tekst.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Føj et element til teksten.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "sammenføj";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Tilføj, fjern eller byt om på rækkefølgen af delene for at konfigurere denne tekstblok.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "til bogstav # fra slutningen";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "til bogstav #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "til sidste bogstav";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "i teksten";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "hent delstreng fra første bogstav";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "hent delstreng fra bogstav # fra slutningen";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "hent delstreng fra bogstav #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returnerer den angivne del af teksten.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find første forekomst af teksten";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find sidste forekomst af teksten";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "i tekst %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returnerer indeks for første/sidste forekomst af første tekst i den anden tekst.  Returnerer %1, hvis teksten ikke kan findes.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 er tom";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returnerer sand, hvis den angivne tekst er tom.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "lav en tekst med";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Lav et stykke tekst ved at sætte et antal elementer sammen.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "længden af %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returnerer antallet af bogstaver (herunder mellemrum) i den angivne tekst.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "skriv %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Skriv den angivne tekst, tal eller anden værdi.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Spørg brugeren efter et tal";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Spørg brugeren efter en tekst";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "spørg efter et tal med meddelelsen";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "spørg efter tekst med meddelelsen";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "erstat %1 med %2 i %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Erstat alle forekomster af noget tekst i en anden tekst.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "vend %1 om";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Vender rækkefølgen om for tegnene i teksten.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://da.wikipedia.org/wiki/Tekststreng";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "En bogstav, et ord eller en linje med tekst.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "fjern mellemrum fra begge sider af";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "fjern mellemrum fra venstre side af";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "fjern mellemrum fra højre side af";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Returner en kopi af teksten med mellemrum fjernet fra den ene eller begge sider.";
-Blockly.Msg["TODAY"] = "I dag";
-Blockly.Msg["UNDO"] = "Fortryd";
-Blockly.Msg["UNNAMED_KEY"] = "unavngivet";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "element";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Opret 'sæt %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returnerer værdien af denne variabel.";
-Blockly.Msg["VARIABLES_SET"] = "sæt %1 til %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Opret 'hent %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sætter denne variabel til at være lig med input.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "En variabel med navnet »%1« findes allerede.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "En variabel med navnet »%1« findes allerede for en anden type: »%2«.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Sig noget ...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/de.js b/msg/js/de.js
deleted file mode 100644
index 272556db736..00000000000
--- a/msg/js/de.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Kommentar hinzufügen";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Die Variable „%1“ kann nicht gelöscht werden, da sie Teil der Definition der Funktion „%2“ ist.";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Wert ändern:";
-Blockly.Msg["CLEAN_UP"] = "Bausteine aufräumen";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Eingeklappte Blöcke enthalten Warnungen.";
-Blockly.Msg["COLLAPSE_ALL"] = "Alle Bausteine zusammenfalten";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Baustein zusammenfalten";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "Farbe 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "und Farbe 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "im Verhältnis";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "mische";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Vermischt 2 Farben mit konfigurierbarem Farbverhältnis (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://de.wikipedia.org/wiki/Farbe";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Wählt eine Farbe aus der Palette aus.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "zufällige Farbe";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Erzeugt eine Farbe nach dem Zufallsprinzip.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blau";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "grün";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "rot";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "Farbe aus";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Erzeugt eine Farbe mit selbst definierten Rot-, Grün- und Blauwerten. Alle Werte müssen zwischen 0 und 100 liegen.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://de.wikipedia.org/wiki/Kontrollstruktur";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "die Schleife abbrechen";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "sofort mit nächstem Schleifendurchlauf fortfahren";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Die umgebende Schleife beenden.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Diese Anweisung abbrechen und mit dem nächsten Schleifendurchlauf fortfahren.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warnung: Dieser Baustein kann nur in einer Schleife verwendet werden.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://de.wikipedia.org/wiki/For-Schleife";
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "für jeden Wert %1 aus der Liste %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Führt eine Anweisung für jeden Wert in der Liste aus und setzt dabei die Variable \"%1\" auf den aktuellen Listenwert.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://de.wikipedia.org/wiki/For-Schleife";
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "zähle %1 von %2 bis %3 in Schritten von %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Zählt die Variable \"%1\" von einem Startwert bis zu einem Endwert und führt für jeden Wert eine Anweisung aus.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Eine weitere Bedingung hinzufügen.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Eine sonst-Bedingung hinzufügen. Führt eine Anweisung aus, falls keine Bedingung zutrifft.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Hinzufügen, entfernen oder sortieren von Sektionen";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "sonst";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "sonst falls";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "falls";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Führt eine Anweisung aus, falls eine Bedingung wahr ist.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Führt die erste Anweisung aus, falls eine Bedingung wahr ist.  Führt ansonsten die zweite Anweisung aus.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Führt die erste Anweisung aus, falls die erste Bedingung wahr ist.  Führt ansonsten die zweite Anweisung aus, falls die zweite Bedingung wahr ist.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Führe die erste Anweisung aus, falls die erste Bedingung wahr ist.  Führt ansonsten die zweite Anweisung aus, falls die zweite Bedingung wahr ist.  Führt die dritte Anweisung aus, falls keine der beiden Bedingungen wahr ist";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://de.wikipedia.org/wiki/For-Schleife";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "mache";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "wiederhole %1 mal:";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Eine Anweisung mehrfach ausführen.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://de.wikipedia.org/wiki/Schleife_%28Programmierung%29";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "wiederhole bis";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "wiederhole solange";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Führt Anweisungen aus solange die Bedingung unwahr ist.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Führt Anweisungen aus solange die Bedingung wahr ist.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Alle %1 Bausteine löschen?";
-Blockly.Msg["DELETE_BLOCK"] = "Baustein löschen";
-Blockly.Msg["DELETE_VARIABLE"] = "Die Variable „%1“ löschen";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "%1 Verwendungen der Variable „%2“ löschen?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 Bausteine löschen";
-Blockly.Msg["DISABLE_BLOCK"] = "Baustein deaktivieren";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Kopieren";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Kommentar kopieren";
-Blockly.Msg["ENABLE_BLOCK"] = "Baustein aktivieren";
-Blockly.Msg["EXPAND_ALL"] = "Alle Bausteine entfalten";
-Blockly.Msg["EXPAND_BLOCK"] = "Baustein entfalten";
-Blockly.Msg["EXTERNAL_INPUTS"] = "externe Eingänge";
-Blockly.Msg["HELP"] = "Hilfe";
-Blockly.Msg["INLINE_INPUTS"] = "interne Eingänge";
-Blockly.Msg["IOS_CANCEL"] = "Abbrechen";
-Blockly.Msg["IOS_ERROR"] = "Fehler";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Parameter hinzufügen";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Anweisungen erlauben";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Diese Funktion hat doppelte Parameter.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "PARAMETER";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Hinzufügen";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Variable hinzufügen";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Löschen";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Du kannst keinen leeren Variablennamen verwenden.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Umbenennen";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Name der Variable";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "erzeuge eine leere Liste";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Erzeugt eine leere Liste ohne Inhalt.";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "Liste";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Hinzufügen, entfernen und sortieren von Elementen.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "erzeuge Liste mit";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Ein Element zur Liste hinzufügen.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Erzeugt eine Liste aus den angegebenen Elementen.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "Erste";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "von hinten das";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "das";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "nimm";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "nimm und entferne";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "Letzte";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "Zufällig";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "entferne";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "Element";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Extrahiert das erste Element aus der Liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Extrahiert das Element an der angegebenen Position in der Liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Extrahiert das letzte Element aus der Liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Extrahiert ein zufälliges Element aus der Liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Extrahiert und entfernt das erste Element aus der Liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Extrahiert und entfernt das Element an der angegebenen Position aus der Liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Extrahiert und entfernt das letzte Element aus der Liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Extrahiert und entfernt ein zufälliges Element aus der Liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Entfernt das erste Element aus der Liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Entfernt das Element an der angegebenen Position aus der Liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Entfernt das letzte Element aus der Liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Entfernt ein zufälliges Element aus der Liste.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "bis von hinten";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "bis";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "bis letztes";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "nimm Teilliste ab erstes";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "nimm Teilliste ab von hinten";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "nimm Teilliste ab";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "Element";
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Erstellt eine Kopie mit dem angegebenen Abschnitt der Liste.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 ist das letzte Element.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 ist das erste Element.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "suche erstes Auftreten von";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm";
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "suche letztes Auftreten von";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Sucht die Position (Index) eines Elementes in der Liste. Gibt %1 zurück, falls kein Element gefunden wurde.";
-Blockly.Msg["LISTS_INLIST"] = "in der Liste";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 ist leer";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Ist wahr, falls die Liste leer ist.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "Länge von %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Die Anzahl von Elementen in der Liste.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm";
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "erzeuge Liste mit %2 mal dem Element %1​";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Erzeugt eine Liste mit einer variablen Anzahl von Elementen";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "kehre %1 um";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Kehre eine Kopie einer Liste um.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm";
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "ein";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "füge als";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "setze für";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Fügt das Element an den Anfang der Liste an.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Fügt das Element an der angegebenen Position in die Liste ein.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Fügt das Element ans Ende der Liste an.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Fügt das Element zufällig in die Liste ein.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Setzt das erste Element in der Liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Setzt das Element an der angegebenen Position in der Liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Setzt das letzte Element in die Liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Setzt ein zufälliges Element in der Liste.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "aufsteigend";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "absteigend";
-Blockly.Msg["LISTS_SORT_TITLE"] = "%1 %2 %3 sortieren";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Eine Kopie einer Liste sortieren.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetisch, Großschreibung ignorieren";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numerisch";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetisch";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "Liste aus Text erstellen";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "Text aus Liste erstellen";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Liste mit Texten in einen Text vereinen, getrennt durch ein Trennzeichen.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Text in eine Liste mit Texten aufteilen, unterbrochen bei jedem Trennzeichen.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "mit Trennzeichen";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "falsch";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Ist entweder wahr oder falsch";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "wahr";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://de.wikipedia.org/wiki/Vergleich_%28Zahlen%29";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Ist wahr, falls beide Werte gleich sind.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Ist wahr, falls der erste Wert größer als der zweite Wert ist.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Ist wahr, falls der erste Wert größer als oder gleich groß wie der zweite Wert ist.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Ist wahr, falls der erste Wert kleiner als der zweite Wert ist.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Ist wahr, falls der erste Wert kleiner als oder gleich groß wie der zweite Wert ist.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Ist wahr, falls beide Werte unterschiedlich sind.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "nicht %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Ist wahr, falls der Eingabewert unwahr ist.  Ist unwahr, falls der Eingabewert wahr ist.";
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://de.wikipedia.org/wiki/Nullwert";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Ist \"null\".";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "und";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "oder";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Ist wahr, falls beide Werte wahr sind.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Ist wahr, falls einer der beiden Werte wahr ist.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "prüfe";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://de.wikipedia.org/wiki/%3F:#Auswahloperator";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "falls falsch";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "falls wahr";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Überprüft eine Bedingung \"prüfe\". Falls die Bedingung wahr ist, wird der \"falls wahr\" Wert zurückgegeben, andernfalls der \"falls unwahr\" Wert";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://de.wikipedia.org/wiki/Grundrechenart";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Ist die Summe zweier Zahlen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Ist der Quotient zweier Zahlen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Ist die Differenz zweier Zahlen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Ist das Produkt zweier Zahlen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Ist die erste Zahl potenziert mit der zweiten Zahl.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://de.wikipedia.org/wiki/Arctan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 von X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Gibt den Arkustangens des Punktes (X, Y) in Grad von -180 bis 180 zurück.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://de.wikipedia.org/wiki/Inkrement_und_Dekrement";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "erhöhe %1 um %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Addiert eine Zahl zu \"%1\".";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://de.wikipedia.org/wiki/Mathematische_Konstante";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Mathematische Konstanten wie: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…) oder ∞ (unendlich).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "begrenze %1 zwischen %2 und %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Begrenzt eine Zahl auf den Wertebereich zwischen zwei anderen Zahlen (inklusiv).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "ist teilbar durch";
-Blockly.Msg["MATH_IS_EVEN"] = "ist gerade";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "ist negativ";
-Blockly.Msg["MATH_IS_ODD"] = "ist ungerade";
-Blockly.Msg["MATH_IS_POSITIVE"] = "ist positiv";
-Blockly.Msg["MATH_IS_PRIME"] = "ist eine Primzahl";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Überprüft ob eine Zahl gerade, ungerade, eine Primzahl, ganzzahlig, positiv, negativ oder durch eine zweite Zahl teilbar ist.  Gibt wahr oder falsch zurück.";
-Blockly.Msg["MATH_IS_WHOLE"] = "ist eine ganze Zahl";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://de.wikipedia.org/wiki/Modulo";
-Blockly.Msg["MATH_MODULO_TITLE"] = "Rest von %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Der Rest nach einer Division.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://de.wikipedia.org/wiki/Zahl";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Eine Zahl.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "http://www.sysplus.ch/einstieg.php?links=menu&seite=4125&grad=Crash&prog=Excel";
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "Mittelwert der Liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "Maximalwert der Liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "Median der Liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "Minimalwert der Liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "am häufigsten in der Liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "Zufallswert aus der Liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "Standardabweichung der Liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "Summe über die Liste";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Ist der Durchschnittswert aller Zahlen in einer Liste.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Ist die größte Zahl in einer Liste.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Ist der Median aller Zahlen in einer Liste.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Ist die kleinste Zahl in einer Liste.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Findet die Werte mit dem häufigstem Vorkommen in der Liste.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Gibt einen zufälligen Wert aus der Liste zurück.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Ist die Standardabweichung aller Werte in der Liste.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Ist die Summe aller Zahlen in einer Liste.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://de.wikipedia.org/wiki/Zufallszahlen";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "Zufallszahl (0.0 - 1.0)";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Erzeugt eine Zufallszahl zwischen 0.0 (inklusiv) und 1.0 (exklusiv).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://de.wikipedia.org/wiki/Zufallszahlen";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "ganzzahlige Zufallszahl zwischen %1 und %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Erzeugt eine ganzzahlige Zufallszahl zwischen zwei Zahlen (inklusiv).";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://de.wikipedia.org/wiki/Runden";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "runde";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "runde ab";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "runde auf";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Eine Zahl auf- oder abrunden.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://de.wikipedia.org/wiki/Quadratwurzel";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "Betrag";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "Quadratwurzel";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Ist der Betrag einer Zahl.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Ist Wert der Exponentialfunktion einer Zahl.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Ist der natürliche Logarithmus einer Zahl.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Ist der dekadische Logarithmus einer Zahl.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Negiert eine Zahl.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Rechnet 10 hoch eine Zahl.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Ist die Quadratwurzel einer Zahl.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://de.wikipedia.org/wiki/Trigonometrie";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Ist der Arkuskosinus des Eingabewertes.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Ist der Arkussinus des Eingabewertes.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Ist der Arkustangens des Eingabewertes.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Ist der Kosinus des Winkels.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Ist der Sinus des Winkels (nicht Radiant).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Ist der Tangens des Winkels (nicht Radiant).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Farbvariable erstellen …";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Zahlenvariable erstellen …";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Zeichenfolgenvariable erstellen …";
-Blockly.Msg["NEW_VARIABLE"] = "Variable erstellen …";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Name der neuen Variable:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Neuer Variablentyp:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = ".";
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "Anweisungen erlauben";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "mit:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://de.wikipedia.org/wiki/Unterprogramm";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Rufe einen Funktionsblock ohne Rückgabewert auf.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://de.wikipedia.org/wiki/Unterprogramm";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Rufe einen Funktionsblock mit Rückgabewert auf.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "mit:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Erzeuge \"Aufruf %1\"";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Beschreibe diese Funktion …";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://de.wikipedia.org/wiki/Prozedur_%28Programmierung%29";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "etwas tun";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "um";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Ein Funktionsblock ohne Rückgabewert.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://de.wikipedia.org/wiki/Prozedur_%28Programmierung%29";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "gib zurück";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Ein Funktionsblock mit Rückgabewert.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warnung: Dieser Funktionsblock hat zwei gleich benannte Parameter.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Markiere Funktionsblock";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Gibt den zweiten Wert zurück und verlässt die Funktion, falls der erste Wert wahr ist.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warnung: Dieser Block darf nur innerhalb eines Funktionsblocks genutzt werden.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "Variable:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Eine Eingabe zur Funktion hinzufügen.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "Parameter";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Die Eingaben zu dieser Funktion hinzufügen, entfernen oder neu anordnen.";
-Blockly.Msg["REDO"] = "Wiederholen";
-Blockly.Msg["REMOVE_COMMENT"] = "Kommentar entfernen";
-Blockly.Msg["RENAME_VARIABLE"] = "Variable umbenennen …";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Alle \"%1\" Variablen umbenennen in:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "zu %1 Text %2 anhängen";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Text an die Variable \"%1\" anhängen.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "wandel um in kleinbuchstaben";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "wandel um in Substantive";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "wandel um in GROSSBUCHSTABEN";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Wandelt Schreibweise von Texten um, in Großbuchstaben, Kleinbuchstaben oder den ersten Buchstaben jedes Wortes groß und die anderen klein.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "nimm ersten";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "nimm von hinten";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "nimm";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm";
-Blockly.Msg["TEXT_CHARAT_LAST"] = "nimm letzten";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "nimm zufälligen";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "Buchstaben";
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "im Text %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Extrahiert einen Buchstaben von einer bestimmten Position.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "zähle %1 in %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Zähle, wie oft ein Text innerhalb eines anderen Textes vorkommt.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Ein Element zum Text hinzufügen.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "verbinden";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Hinzufügen, entfernen und sortieren von Elementen.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "bis von hinten";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "bis";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "bis letzter";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm";
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "im Text";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "nimm Teil ab erster";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "nimm Teil ab von hinten";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "nimm Teil ab";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "Buchstabe";
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Gibt den angegebenen Textabschnitt zurück.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "suche erstes Auftreten des Begriffs";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "suche letztes Auftreten des Begriffs";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "im Text %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Findet das erste / letzte Auftreten eines Suchbegriffs in einem Text.  Gibt die Position des Begriffs zurück oder %1 falls der Suchbegriff nicht gefunden wurde.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 ist leer";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Ist wahr, falls der Text keine Zeichen enthält.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "";
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "erstelle Text aus";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Erstellt einen Text durch das Verbinden von mehreren Textelementen.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "Länge von %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Die Anzahl von Zeichen in einem Text (inkl. Leerzeichen).";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "gib aus %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Gibt den Text aus.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Fragt den Benutzer nach einer Zahl.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Fragt den Benutzer nach einem Text.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "frage nach Zahl mit Hinweis";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "frage nach Text mit Hinweis";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "ersetze %1 durch %2 in %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Ersetze alle Vorkommen eines Textes innerhalb eines anderen Textes.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "kehre %1 um";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Kehre die Reihenfolge der Zeichen im Text um.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://de.wikipedia.org/wiki/Zeichenkette";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Ein Buchstabe, Text oder Satz.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "entferne Leerzeichen vom Anfang und vom Ende (links und rechts)";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "entferne Leerzeichen vom Anfang (links)";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "entferne Leerzeichen vom Ende (rechts)";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Entfernt Leerzeichen vom Anfang und / oder Ende eines Textes.";
-Blockly.Msg["TODAY"] = "Heute";
-Blockly.Msg["UNDO"] = "Rückgängig";
-Blockly.Msg["UNNAMED_KEY"] = "unbenannt";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "Element";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Erzeuge \"Schreibe %1\"";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://de.wikipedia.org/wiki/Variable_%28Programmierung%29";
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Gibt den Wert der Variable zurück.";
-Blockly.Msg["VARIABLES_SET"] = "setze %1 auf %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Erzeuge \"Lese %1\"";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://de.wikipedia.org/wiki/Variable_%28Programmierung%29";
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Setzt den Wert einer Variable.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Eine Variable namens „%1“ ist bereits vorhanden.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Eine Variable namens „%1“ ist bereits für einen anderen Typ vorhanden: „%2“.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Arbeitsbereich";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Teile etwas mit…";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/diq.js b/msg/js/diq.js
deleted file mode 100644
index 43a9e811508..00000000000
--- a/msg/js/diq.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Tefsir cı ke";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Erci bıvurne:";
-Blockly.Msg["CLEAN_UP"] = "Blokan pak ke";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Blokan teng ke";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Bloki teng ke";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "reng 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "reng 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "nısbet";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "tewde";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Blends two colours together with a given ratio (0.0 - 1.0).";  // untranslated
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://diq.wikipedia.org/wiki/Reng";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Şıma palet ra yew reng weçinê.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "rengo rastameye";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Tesadufi yu ren bıweçin";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "kewe";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "kıho";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "sur";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "komponentên rengan";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Şıma renganê sûr, aşıl u kohoy ra rengê do spesifik vırazê. Gani ê pêro 0 u 100 miyan de bıbê.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "Çerxen ra vec";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "Gama bin da çerxeni ra dewam ke";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Öujtewada çerxeni ra bıvıci";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Diqat: No bloke şeno teyna yew çerxiyayış miyan de bıgırweyo.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "Lista %2 de her item %1 rê";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Yew lista de her item rê, varyansê '%1' itemi rê vırazê, u dıma tayê akerdışi (beyani) bıdê";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "Pê amarêno %1 %2 ra %3 rê , herg gam de %4 vurnayışi";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Bloq da if'i rê yu şert dekerê de.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "eke çıniyo";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "eke nêyo";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "eke";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Eger yew vaye raşto, o taw şıma tayê akerdışi kerê.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "bıke";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 fıni tekrar ke";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Şıma tayêna reyi akerdışi kerê.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "hend tekrar ke";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "Tekrar kerdış de";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Yew erc xırabo se tay beyanati bıd";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Yew erc raşto se yu beyanat bıd.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Pêro %1 bloki besteriyê?";
-Blockly.Msg["DELETE_BLOCK"] = "Bloki bestere";
-Blockly.Msg["DELETE_VARIABLE"] = "Şıma vırnaoğê '%1'i besterê";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "%1 ke vırnayışê '%2'i gırweneno, besteriyo?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 blokan bestere";
-Blockly.Msg["DISABLE_BLOCK"] = "Çengi devre ra vec";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Zewnc";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Mışewreyo zewnc";
-Blockly.Msg["ENABLE_BLOCK"] = "Bloki feal ke";
-Blockly.Msg["EXPAND_ALL"] = "Blokan hera ke";
-Blockly.Msg["EXPAND_BLOCK"] = "Bloki hera ke";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Cıkewtışê xarıciy";
-Blockly.Msg["HELP"] = "Peşti";
-Blockly.Msg["INLINE_INPUTS"] = "Cıkerdışê xomiyani";
-Blockly.Msg["IOS_CANCEL"] = "Bıtexelne";
-Blockly.Msg["IOS_ERROR"] = "Xeta";
-Blockly.Msg["IOS_OK"] = "TEMAM";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Beyan cı ke";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "İfade rê mısade bıde";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "BEYANİ";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Cı ke";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Vurnekari cı kerê";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Bestere";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Heruna nameyê curnekari veng mevıradê.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Reyna name ke";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Namê vurriyayışi";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "lista venge vıraze";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "liste";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "Liste ya vıraz";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Yew işaret liste ke.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "verên";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# peyniye ra";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "bıgê";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "Bıgi u wedarne";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "peyên";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "raştameye";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "wedare";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "Peyni # ra hetana";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "#'ya";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "Hetana pey";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 objeyo peyên o";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 objeyo sıfteyên o";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "vıraştışê işaretê verêni bıvêne";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "vıraştışê nuşteyê verêni bıvêne";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "lista de";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 vengo";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Eger kı lista venga se raşt keno çerğ";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "dergiya %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Derganiya yu lister dano.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "%1 dimlaşt kerê";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Yew kopyaya yew lista dimlaşt kerê.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "zey";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "De fi";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "ca ke";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "zeydıyen";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "Kemeyen";
-Blockly.Msg["LISTS_SORT_TITLE"] = "%1 %2 %3 weçine";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "Amoriyal";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "Alfabetik";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "metini ra lista bıkerê";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "Lista ra metin bıkerê";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "Hududoxi ya";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ğelet";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Raşt yana çep erc dano";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "raşt";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Debiyaye dı erci zey pêyêse ercê \"True\" dane.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "%1 niyo";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
-Blockly.Msg["LOGIC_NULL"] = "veng";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Veng çarneno ra.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "û";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ya zi";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Eger her dı cıkewtışi zi raştê, şıma ageyrê.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "eke ğeleto";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "eke raşto";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Şerta'test'i test keno.  Eger ke şert raşta se erca 'raşt'i çarneno, çepo se erca 'çep'  çarneno.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Aritmetik";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Arêdayışê dı amara tadê";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Letey iya dı amara tadê";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Ferqê dı amara tadê";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Reyina dı amara tadê";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://diq.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2, X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "%2, keno %1 vurneno";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Sabitanê wertağan ra yew açarne: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (bêpeyniye).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "Leteyêno";
-Blockly.Msg["MATH_IS_EVEN"] = "zewnco";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "negatifo";
-Blockly.Msg["MATH_IS_ODD"] = "kıto";
-Blockly.Msg["MATH_IS_POSITIVE"] = "pozitifo";
-Blockly.Msg["MATH_IS_PRIME"] = "bıngehên";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "tamo";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "%1 ÷ %2 ra menden";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Mendeyan ra teqsimkerdışê dı amaran açarne.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://diq.wikipedia.org/wiki/Numre";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Yew numre.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "Averacê lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "Tewr gırdê lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "Wertey lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "Tewr qıcê lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "listey modi";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "Raştamaye objeya lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "koma liste";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Lista de amara tewr qıckeke tadê";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Lista ra amara werti tadê";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Lista de tewr qıckek amar tadê";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Liste ra yew elemento rastameye açarne.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "Raştamaye nimande amor";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "gılor ke";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "Loğê cêri ke";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "Loğê cori ke";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Yu amorer loğê cêri yana cori ke";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "mutlaq";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "karekok";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Ercê mutlaqê yew amarer tadê";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "E quwetê yew amar tadano.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Tebi algoritmaya yew amarer tadê";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Logaritmay 10i yew amari rê peyser tadê";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Nêrazibiyena yew amari açarne.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Quweta yew amariya 10ıne tade.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Karerêçê yew amarer tadê";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://diq.wikipedia.org/wiki/Fonksiyonê_trigonometriye";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Arkkosinusê yew amari açarne.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Arksinusê yew amari açarne.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Arktangensê yew amari açarne.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Derecey yew kosinusi tadê (radyan niyo)";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Sinusi yew derece tadê (radyan niyo)";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Tanjantê yew derecey tadê (radyan niyo)";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Vurriyayoğê rengi vıraze...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Vurriyayoğê amari vıraze...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Vurriyayoğê rêze vıraze...";
-Blockly.Msg["NEW_VARIABLE"] = "Vuriyayeyo bıvıraz...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Tewrê vurriyayoğê neweyi:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Tewrê vurriyayoğê neweyi:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "ifade rê mısade bıde";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "ebe:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "ebe:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "'%1' vıraze";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Nê fonksiyoni beyan ke...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "Çıyê bık";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "rê";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Yew fonksiyono çap nêdate vırazeno";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "peyser biya";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Yew fonksiyono çap daye vırazeno";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Tembe: Nê fonksiyoni de parametreyê dıleti estê.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "namey cıkewtışi:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "cıkewtışi";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "Newe ke";
-Blockly.Msg["REMOVE_COMMENT"] = "Tefsiri Wedare";
-Blockly.Msg["RENAME_VARIABLE"] = "Vuriyayey fına name ke...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Pêro vırnayışê '%1' reyna name ke:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "rê %1 Metin dek %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "Herfanê werdiyana";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "Ser herf gırd";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "HERFANÊ GIRDANA";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "Herfa sıfti bıgi";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "herfa # peyêne ra bıgê";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "Herfa # bıgi";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "herfa peyêne bıgê";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "Raştamaye yu herf bıgi";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "metın de %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Şınasnaye pozisyon de yu herfer çerğ keno";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "%1 miyan de %2 bımare";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Yew işaret nuşteyi ke.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "gıre de";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "heta herfa # peyêne";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "heta herfa #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "heta herfa peyêne";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "metın de";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "rêza bınêne herfa # peyêne ra bıgê";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "rêza bınêne herfa # ra bıgê";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Tay letey metini çerğ keno";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "vıraştışê nuşteyê verêni bıvêne";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "vıraştışê nuşteyê verêni bıvêne";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "metın de %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 vengo";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "ya metin vıraz";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "dergiya %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "%1 çap";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "karakteranê %1 weçarne";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Yu herfa,  satır yana çekuya metini";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "Ewro";
-Blockly.Msg["UNDO"] = "Peyser bıgê";
-Blockly.Msg["UNNAMED_KEY"] = "bêname";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "unsur";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "'%1 bınuse' vıraze";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Ercê nê vurnayoği tadano";
-Blockly.Msg["VARIABLES_SET"] = "%1 ra %2 rê eyar kerê";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "'%1 bıwane' vıraze";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Yew vırnayış be namey '%1' xora est.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Çiyê vace...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/dty.js b/msg/js/dty.js
deleted file mode 100644
index e175073ca81..00000000000
--- a/msg/js/dty.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "टिप्पणी थप्दे";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "मान बदल";
-Blockly.Msg["CLEAN_UP"] = "ब्लकनलाई हटाओ";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "ब्लक भत्काओ";
-Blockly.Msg["COLLAPSE_BLOCK"] = "ब्लक भत्का";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "रंग 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "रंग 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "अनुपात";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "मिश्रण गर";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "दियाका अनुपात (0.0 - 1.0) का साथ दुई रंगहरूको मिश्रण गरन्छ ।";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "पैलेट बाट एक रंग चुन ।";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "जुनसुकै रङ्ग";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "रैन्डम्ली एक रंग चयन गर ।";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "निलो";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "हरियो";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "रातो";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "यै रङ्गको";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "रातो, हरियो और नीलोको निर्दिष्ट मात्राकी साथ एक रंग बनाओ । सबै मान ० देखि १०० का बीच हुनु पडन्छ ।";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "लूप बाट भाइर निकलौं";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "लूपको अर्को आईटरेशन जारी राख";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "भीत्री लूप बाट बाहिर निस्कने";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "बचेका लूपलाई छोड, और अर्को आईटरेशन जारी राख ।";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "सावधान: यो ब्लक केवल लूप भित्रमात्र प्रयोग गद्द सकिन्छ ।";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "%2 सूचीमी भयाः प्रत्येक आइटम %1 खिलाइ";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "सूचीको प्रत्येक आइटमको लागी, आइटममी चरको मान '%1' राखौं और पाछा क्यै कथन लेख ।";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "गन्ती गर %1 देखी %2 %3 %4 सम्म";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "यदि ब्लकमा एक शर्त जोडौं ।";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "एल्स";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "एल्स इफ";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "इफ";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "जब तलक मान सत्य छ, तब तलक क्यै स्टेट्मेंट चलाओ ।";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "यदि एक मान सत्य छ भण्या कथनहरूको प्रथम खण्ड बणाओ । अन्यथा कथनहरूको अर्को भाग निर्मित गर ।";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "डू";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 पल्ट दोसराओ";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "क्यै स्टेट्मन्ट कैयों पल्ट चलाओ ।";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "दोहराओ जब तलक";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "दोहराओ जब की";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "जब तक मान फॉल्स छ, तब तक क्यै स्टेट्मेंट्स चलाओ ।";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "जब तलक मान सत्य छ, तब तलक क्यै स्टेट्मेंट चलाओ ।";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "सबै %1 ब्लकनलाई हटाउन्या ?";
-Blockly.Msg["DELETE_BLOCK"] = "ब्लक हटाउन्या";
-Blockly.Msg["DELETE_VARIABLE"] = "'%1' भेरिएबल मेट:";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "'%2' भेरिएबला %1 प्रयोग मेट्ट्या?";
-Blockly.Msg["DELETE_X_BLOCKS"] = " %1 ब्लकहरू हटाउन्या";
-Blockly.Msg["DISABLE_BLOCK"] = "ब्लकलाई निश्क्रिय पाड्डे";
-Blockly.Msg["DUPLICATE_BLOCK"] = "कपी गर";
-Blockly.Msg["DUPLICATE_COMMENT"] = "हूबहू टिप्पणी";
-Blockly.Msg["ENABLE_BLOCK"] = "ब्लकलाई सक्रिय पाड्डे";
-Blockly.Msg["EXPAND_ALL"] = "ब्लकनलाई फैलाओ";
-Blockly.Msg["EXPAND_BLOCK"] = "ब्लकनलाई फैलाओ";
-Blockly.Msg["EXTERNAL_INPUTS"] = "भाइरका इन्पुटहरू";
-Blockly.Msg["HELP"] = "सहायता";
-Blockly.Msg["INLINE_INPUTS"] = "इनलाइन इन्पुटहरू";
-Blockly.Msg["IOS_CANCEL"] = "खारेजी";
-Blockly.Msg["IOS_ERROR"] = "गल्ती";
-Blockly.Msg["IOS_OK"] = "हुन्छ";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ इनपुट थपः";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "इनपुटन";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "जोड़ऽ";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "मेटः";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "तम खाली चल नाउँ प्रयोग अरीनाइसक्दाः।";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "पुनर्नामकरण";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "चल(भेरिएबल) नाउँ";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "list";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "first";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# from end";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "get";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "last";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "random";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "in list";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "as";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insert at";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "असत्य";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "सत्य या असत्य फिर्ता अरन्छ।";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "सत्य";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "यदी दुवै इनपुट एक अर्काका बराबर छन् भण्या टु रिटर्न गर ।";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "पैल्लो इनपुट दोसरा इनपुट है ठुलो भया ट्रू फिर्ता अर:।";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "पैल्लो इनपुट दोसरा इनपुट है ठुलो या उइ सित बराबर भया ट्रू फिर्ता अर:।";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "पैल्लो इनपुट दोसरा इनपुट है नानो भया ट्रू फिर्ता अर:।";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "पैल्लो इनपुट दोसरा इनपुट है नानो या उइ सित बराबर भया ट्रू फिर्ता अर:।";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "यदी दुवै इनपुट एक अर्काको बराबर नाइथिन् भणया टु रिटर्न गर ।";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "not %1";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "इनपुट असत्य भयाले सन्य फिर्ता अरन्छ। इनपुट सत्य भयाले असत्य फिर्ता अरन्छ।";
-Blockly.Msg["LOGIC_NULL"] = "शू्य";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "शून्य फिर्ता अरन्छ।";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "रे";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "या";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "दुएइ इनपुट ट्रू भया ट्रू फिर्ता अर:।";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "कम्तीमी लै १ इनपुट सत्य भयाले सत्य फिर्ता अर।";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "if false";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "if true";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Return the sum of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "change %1 by %2";  // untranslated
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "is divisible by";  // untranslated
-Blockly.Msg["MATH_IS_EVEN"] = "is even";  // untranslated
-Blockly.Msg["MATH_IS_NEGATIVE"] = "is negative";  // untranslated
-Blockly.Msg["MATH_IS_ODD"] = "is odd";  // untranslated
-Blockly.Msg["MATH_IS_POSITIVE"] = "is positive";  // untranslated
-Blockly.Msg["MATH_IS_PRIME"] = "is prime";  // untranslated
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "is whole";  // untranslated
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";  // untranslated
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "A number.";  // untranslated
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "average of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "max of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "min of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "sum of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "round";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "round down";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "round up";  // untranslated
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolute";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "square root";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";  // untranslated
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";  // untranslated
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "भेरिएवल बना:";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "नयाँ भेरिबलको नाम:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "do something";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "to";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "return";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "पुन: कायम गद्दे";
-Blockly.Msg["REMOVE_COMMENT"] = "टिप्पणी हटाउन्या";
-Blockly.Msg["RENAME_VARIABLE"] = "भेरिबललाई पुनः नामांकन गर...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "सबै भेरिबलनका %1 नाम बदल्न्या:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "join";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "print %1";  // untranslated
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "आज";
-Blockly.Msg["UNDO"] = "रद्द गर्न्या";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "वस्तु";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "'%1' नाउँ अरियाऽ भेरिएबल पैली बठेइ छ।";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "केयि भँण...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/ee.js b/msg/js/ee.js
deleted file mode 100644
index 1782e69ef66..00000000000
--- a/msg/js/ee.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Ŋlɔ Numeɖeɖe";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Mate ŋu atutu teaŋutrɔna '%1' o elabe ewɔ akpa aɖe le teaŋutrɔna '%2' me.";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Trɔ nuŋlɔdzesiawo:";
-Blockly.Msg["CLEAN_UP"] = "Tutu Nuawo";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Hatsotsoawo Me Nuwo Nebu";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Hatsotso Me Nuwo Nebu";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "amedede 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "amadede 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "agbɔsɔsɔ";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "tsaka";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Tsaka amadede eve kple agbɔsɔsɔ si nye (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://ee.wikipedia.org/wiki/Amadede";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Tia amadede ɖeka le amadedetiaƒea.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "amadede aɖe ko";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Tia amadede aɖe ko.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blɔ";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "gbemumu";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "dzĩ";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "de amae kple";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "tsaka";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "Nedo le wɔtiaɖenua me";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "neyi edzi kple wɔtiaɖenua si kplɔe ɖo";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Nedo le wɔtiaɖenua si me wòlea me.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Neto wɔtiaɖenu sia susɔea ta wòayi bubu dzi.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Nuxlɔ̃ame: Wɔtiaɖenu me ko woate ŋu azã ƒuƒoƒo sia le.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "nu sia nu natso %2 me ayi %1 me";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Tia teaŋutrɔna '%1' na nuawo dometɔ ɖe sia ɖe si li, eye nàŋlɔ gbedeasi aɖe.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "Xlẽ %1 tso %2 yi %3 to %4 dzi";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Xexlẽdzesi tɔtrɔ '%1' nenye xexlẽdzesi si dze egɔme kple esiwo kplɔe ɖo va se ɖe mamlɛtɔ dzi, nebu dometsotso si wofia kple nyatakaka suetɔ siwo wofia asii.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Tsɔ biabia aɖe kpe ne ƒuƒoƒo la.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Tsɔ lé wo katã ƒe ne ƒe ƒuƒoƒo kpe biabia mamlɛa.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Tsɔ kpee, ɖee le eme alo gbugbɔ akpawo ɖo nàtsɔ asi le ne ƒe ƒuƒoƒoa ŋu.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "ke boŋ";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "Ke boŋ ne";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "Ne";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Ne asime aɖe le eme la, ke taɖodzinya aɖewo neva eme.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Ne asime aɖe le eme la, ke taɖodzinyawo ƒe ƒuƒoƒo gbãtɔ neva eme. Ne menye nenem o la, ke taɖodzinyawo ƒe ƒuƒoƒo evelia neva eme.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Ne asime gbãtɔe le eme la, ke taɖodzinyawo ƒe ƒuƒoƒo gbãtɔ neva eme. Gake ne asime eveliae le eme la, taɖodzinyawo ƒe ƒuƒoƒo evelia boŋ neva eme.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Ne asime gbãtɔ le eme la, ke taɖodzinyawo ƒe ƒuƒoƒo gbãtɔ neva eme. Ke ne taɖodzinyawo ƒe ƒuƒoƒo evelia boŋue le eme la, taɖodzinyawo ƒe ƒuƒoƒo evelia neva eme. Ne taɖodzinya aɖeke mele eme o la,taɖodzinyawo ƒe ƒuƒoƒo mamlɛtɔ neva eme.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://ee.wikipedia.org/wiki/Na_nogo";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "wɔ";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "Wɔe zi %1";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Gbugbɔ biabia aɖewo zi geɖe.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "gbugbɔ wɔe va se ɖe";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "gbugbɔ wɔe ne";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Ne nyatakaka dea, ke wɔ biabia aɖewo.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Ne nyatakaka dea, ke wɔ biabia aɖewo.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Èdi be netutu nu %1 katã?";
-Blockly.Msg["DELETE_BLOCK"] = "Tutu Hatsotsoa";
-Blockly.Msg["DELETE_VARIABLE"] = "Tutu teaŋutrɔna '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Netutu %1 ŋkɔ si nètsɔ na teaŋutrɔna '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Tutu Hatsotso %1";
-Blockly.Msg["DISABLE_BLOCK"] = "Tsi Hatsotsoa";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Gbugbɔe Wɔ";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Kɔpi Numeɖeɖea";
-Blockly.Msg["ENABLE_BLOCK"] = "Si Hatsotsoa";
-Blockly.Msg["EXPAND_ALL"] = "Hatsotsoawo Me Nuwo Nedze";
-Blockly.Msg["EXPAND_BLOCK"] = "Hatsotsoa Me Nuwo Nedze";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Gotakpeɖeŋunuwo";
-Blockly.Msg["HELP"] = "Kpekpeɖeŋu";
-Blockly.Msg["INLINE_INPUTS"] = "Interdzikpeɖeŋuwo";
-Blockly.Msg["IOS_CANCEL"] = "Natasii";
-Blockly.Msg["IOS_ERROR"] = "Vodada";
-Blockly.Msg["IOS_OK"] = "YOO";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Tsɔ nu kpe Nudemea";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Ɖe mɔ ɖe taɖodzinyawo ŋu";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Nudeme evee le wɔƒe sia si.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "NUDEMEWO";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Tsɔ kpee";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Tsɔ nugba kpee";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Tutui";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Màte ŋu azã nugba si mena ŋkɔe o.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Gbugbɔ na ŋkɔe";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Nugba ŋkɔ";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "list";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "gbãtɔ";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# tso nuwuwu";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "get";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "mamlɛtɔ";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "ɖe sia ɖe ko";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "ɖee ɖa";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Aʋu nu gbãtɔ.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Aʋu nua le afi si wòle le nuwo dome.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Aʋu nu mamlɛtɔ.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Aʋu nu ɖe sia ɖe aɖe ko.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Eɖea nu gbãtɔ ɖa eye eya kee gaʋua nu gbãtɔ.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Aɖe nua ɖa eye wòaʋu nua le afi si wòle le nuawo dome.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Eɖea nu mamlɛtɔ ɖa eye eya kee gaʋua nu mamlɛtɔ.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "yi # tso nuwuwu";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "yi #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "yi mamlɛtɔ";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 nye nu mamlɛtɔ.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 nye nu gbãtɔ.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "in list";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 le ƒuƒlu";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "as";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insert at";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "dzi yim";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "ɖiɖim";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "mademadea";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Nefia dedia alo mademadea.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "dedia";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Masɔmasɔ_(akɔntabubu)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Ŋuɖoɖoa nenye nyateƒe ne nudeme eveawo sɔ kple wo nɔewo.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Ŋuɖoɖoa nenye nyateƒe ne nudeme gbãtɔ lolo wu evelia.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Ŋuɖoɖoa nenye nyateƒe ne nudeme gbãtɔ lolo wu evelia alo sɔ kplii.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Ŋuɖoɖoa nenye nyateƒe ne nudeme gbãtɔ mede evelia nu o.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Ŋuɖoɖoa nenye nyateƒe ne nudeme gbãtɔ mede evelia nu o alo sɔ kplii.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Ŋuɖoɖoa nenye nyateƒe ne nudeme eveawo mesɔ kple wo nɔewo o.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "menye %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Ŋuɖoɖoa nenye nyateƒe ne nudemea menye nyateƒe o. Ŋuɖoɖoa nenye aʋatso ne nudemea nye nyateƒe.";
-Blockly.Msg["LOGIC_NULL"] = "ɖeke o";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Mekpɔ ɖeke o.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "eye";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "alo";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Ŋuɖoɖoa nenye nyateƒe ne nudeme eveawo nye nyateƒe.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Ŋuɖoɖoa nenye nyateƒe ne nudeme ɖeka teti nye nyateƒe.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "dodokpɔ";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "nenye dedietɔ";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "nenye nyuitɔ";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Kpɔ nu si dze le \"dodokpɔ\" me. Ne dediae dze la, tia \"ne dedia\"; ke ne manyomanyotɔe la, tia \"ne mademadea.\"";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://ee.wikipedia.org/wiki/Xexlẽdzesibubu";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Bu xexlẽdzesi evea ƒoƒo ƒu ƒe akɔnta.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Bu xexlẽdzesi ɖeka mama ɖe xexlẽdzesi evelia me ƒe akɔnta.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Bu xexlẽdzesi ɖeka ɖeɖe le evelia me ƒe akɔnta.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Bu xexlẽdzesi gbãtɔ teƒe evelia ƒe akɔnta.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Na be xexlẽdzesi gbãtɔ nadzi eɖokui ɖe edzi zigbɔzi xexlẽdzesi evelia.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "change %1 by %2";  // untranslated
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "woate ŋu amae ɖe";
-Blockly.Msg["MATH_IS_EVEN"] = "enye eve ƒomevi";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "enye xexlẽme megbeyitɔ";
-Blockly.Msg["MATH_IS_ODD"] = "enye etɔ̃ ƒomevi";
-Blockly.Msg["MATH_IS_POSITIVE"] = "enye xexlẽme ŋgɔgbeyitɔ";
-Blockly.Msg["MATH_IS_PRIME"] = " enye xexlẽme blibo";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "enye blibo";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://ee.wikipedia.org/wiki/Xexlẽdzesi";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Xexlẽdzesi aɖe";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "average of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "gãtɔ le nuwo dome";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "suetɔ le wo dome";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "sum of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Neʋu xexlẽdzesi gãtɔ.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Neʋu suetɔ le nuwo dome.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "round";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "round down";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "round up";  // untranslated
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/dzidziɖedzi_eɖokui zigbɔzi eve";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "xexlẽ blibo";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "eƒe teƒe eve";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Nena xexlẽdzesi aɖe nanye xexlẽ blibo.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Nebu e-teƒe-e zigbɔzi xexlẽdzesia.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Xexlẽdzesia nedzi ɖe edzi eɖokui zigbzi e.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Nebu zigbɔzi neni 10-teƒe-10 awɔ xexlẽdzesia.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Nena xexlẽdzesi aɖe nanye xexlẽdzesi madenanekeo.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = " Nebu ewo-teƒe-ewo zigbɔzi xexlẽdzesia.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Xexlẽdzesia nedzi ɖe edzi teƒe eɖokui";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Nebu dzogɔe le digri me (menye radiã o).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Wɔ amadede teaŋutrɔna...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Wɔ xexlẽdzesi teaŋutrɔna...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Wɔ nya teaŋutrɔna...";
-Blockly.Msg["NEW_VARIABLE"] = "Wɔ teaŋutrɔna...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nuŋlɔdzesi tɔtrɔa yeye ƒe ŋkɔ:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Teaŋutrɔna ƒomevi yeye:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "kple:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "kple:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "do something";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "to";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "return";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "Trɔ Wɔe";
-Blockly.Msg["REMOVE_COMMENT"] = "Ɖe Numeɖeɖea Ɖa";
-Blockly.Msg["RENAME_VARIABLE"] = "Na ŋkɔ bubu nuŋlɔdzesi tɔtrɔa...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Na ŋkɔ bubu nuŋlɔdzesi tɔtrɔa '%1' yi:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "join";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "print %1";  // untranslated
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "Egbe";
-Blockly.Msg["UNDO"] = "Gbugbɔe";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "nu";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Teaŋutrɔna si ŋkɔe nye '%1' li xoxo.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Teaŋutrɔna '%1' li xoxo eye wotsɔ ŋkɔ sia xoxo na bubu si nye: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/el.js b/msg/js/el.js
deleted file mode 100644
index 528e848df31..00000000000
--- a/msg/js/el.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Πρόσθεσε Το Σχόλιο";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Δεν μπορώ να διαγράψω την μεταβλητή '%1' διότι είναι μέρος του ορισμού της λειτουργίας '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Άλλαξε την τιμή:";
-Blockly.Msg["CLEAN_UP"] = "Ταξινομείστε τα Μπλοκ";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Υπάρχουν προειδοποιήσεις για συμπτυγμένα μπλοκ.";
-Blockly.Msg["COLLAPSE_ALL"] = "Σύμπτυξε Όλα Τα Μπλοκ";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Σύμπτυξε Το Μπλοκ";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "χρώμα 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "χρώμα 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "αναλογία";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "μείγμα";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Συνδυάζει δύο χρώματα μαζί με μια δεδομένη αναλογία (0.0 - 1,0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://el.wikipedia.org/wiki/%CE%A7%CF%81%CF%8E%CE%BC%CE%B1";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Επιτρέπει επιλογή χρώματος από την παλέτα.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "τυχαίο χρώμα";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Επιλέγει χρώμα τυχαία.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "μπλε";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "πράσινο";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "κόκκινο";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "χρώμα με";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Δημιουργεί χρώμα με το συγκεκριμένο ποσό του κόκκινου, πράσινου και μπλε που ορίζεις. Όλες οι τιμές πρέπει να είναι μεταξύ 0 και 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "φεύγει από το μπλοκ επαναλήψεως";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "συνέχισε με την επόμενη επανάληψη του μπλοκ επαναλήψεως";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Ξεφεύγει (βγαίνει έξω) από την επανάληψη.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Παραλείπει το υπόλοιπο τμήμα αυτού του μπλοκ επαναλήψεως, και συνεχίζει με την επόμενη επανάληψη.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Προειδοποίηση: Αυτό το μπλοκ μπορεί να χρησιμοποιηθεί μόνο μέσα σε μια επανάληψη.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "για κάθε στοιχείο %1 στη λίστα %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Για κάθε στοιχείο σε μια λίστα, ορίζει τη μεταβλητή «%1» στο στοιχείο και, στη συνέχεια, εκτελεί κάποιες εντολές.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "μέτρησε με %1 από το %2 έως το %3 ανά %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Η μεταβλητή «%1» παίρνει τιμές ξεκινώντας από τον αριθμό έναρξης μέχρι τον αριθμό τέλους αυξάνοντας κάθε φορά με το καθορισμένο βήμα και εκτελώντας το καθορισμένο μπλοκ.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Πρόσθετει μια κατάσταση/συνθήκη στο μπλοκ «εάν».";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Προσθέτει μια τελική κατάσταση/συνθήκη, που πιάνει όλες τις άλλες περιπτώσεις, στο μπλοκ «εάν».";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Προσθέτει, αφαιρεί ή αναδιατάσσει τα τμήματα για να αναδιαμορφώσει αυτό το μπλοκ «εάν».";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "αλλιώς";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "εναλλακτικά εάν";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "εάν";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Αν μια τιμή είναι αληθής, τότε εκτελεί κάποιες εντολές.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Αν μια τιμή είναι αληθής, τότε εκτελεί το πρώτο τμήμα εντολών. Διαφορετικά, εκτελεί το δεύτερο τμήμα εντολών.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Αν η πρώτη τιμή είναι αληθής, τότε εκτελεί το πρώτο τμήμα εντολών. Διαφορετικά, αν η δεύτερη τιμή είναι αληθής, εκτελεί το δεύτερο μπλοκ εντολών.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Αν η πρώτη τιμή είναι αληθής, τότε εκτελεί το πρώτο τμήμα εντολών.  Διαφορετικά, αν η δεύτερη τιμή είναι αληθής, εκτελεί το δεύτερο τμήμα εντολών. Αν καμία από τις τιμές δεν είναι αληθής, εκτελεί το τελευταίο τμήμα εντολών.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "κάνε";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "επανάλαβε %1 φορές";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Εκτελεί κάποιες εντολές αρκετές φορές.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "επανάλαβε μέχρι";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "επανάλαβε ενώ";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Ενόσω μια τιμή είναι ψευδής, τότε εκτελεί κάποιες εντολές.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Ενόσω μια τιμή είναι αληθής, τότε εκτελεί κάποιες εντολές.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Να διαγραφούν και τα %1 μπλοκ;";
-Blockly.Msg["DELETE_BLOCK"] = "Διάγραψε Το Μπλοκ";
-Blockly.Msg["DELETE_VARIABLE"] = "Διαγράψτε την μεταβλητή '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Θέλετε να διαγράψετε το %1 που χρησιμοποιείτε της μεταβλητής '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Διάγραψε %1 Μπλοκ";
-Blockly.Msg["DISABLE_BLOCK"] = "Απενεργοποίησε Το Μπλοκ";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Διπλότυπο";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Διπλότυπο σχόλιο";
-Blockly.Msg["ENABLE_BLOCK"] = "Ενεργοποίησε Το Μπλοκ";
-Blockly.Msg["EXPAND_ALL"] = "Επέκτεινε Όλα Τα Μπλοκ";
-Blockly.Msg["EXPAND_BLOCK"] = "Επέκτεινε Το Μπλοκ";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Εξωτερικές Είσοδοι";
-Blockly.Msg["HELP"] = "Βοήθεια";
-Blockly.Msg["INLINE_INPUTS"] = "Εσωτερικές Είσοδοι";
-Blockly.Msg["IOS_CANCEL"] = "Ακυρώστε";
-Blockly.Msg["IOS_ERROR"] = "Σφάλμα";
-Blockly.Msg["IOS_OK"] = "ΟΚ";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "Εισάγετε στοιχείο";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Να επιτρέπονται οι δηλώσεις";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Αυτή η παράμετρος απαιτεί διπλή εισαγωγή στοιχείων";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ΕΙΣΑΓΟΜΕΝΑ ΣΤΟΙΧΕΙΑ";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Προσθήκη";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "Προσθέσατε Μεταβλητή";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Διαγραφή";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Δεν μπορείτε να χρησιμοποιήσετε μια μεταβλητή δίχως όνομα";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Αλλάξετε το όνομα του αρχείου";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Όνομα μεταβλητής";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "δημιούργησε κενή λίστα";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Επιστρέφει μια λίστα, με μήκος 0, η οποία δεν περιέχει εγγραφές δεδομένων";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "λίστα";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Προσθέτει, αφαιρεί ή αναδιατάσσει τα τμήματα για να αναδιαμορφώσει αυτό το μπλοκ λίστας.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "δημιούργησε λίστα με";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Προσθέτει αντικείμενο στη λίστα.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Δημιουργεί λίστα με οποιονδήποτε αριθμό αντικειμένων.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "πρώτο";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# από το τέλος";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "πάρε";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "πάρε και αφαίρεσε";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "τελευταίο";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "τυχαίο";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "αφαίρεσε";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Επιστρέφει το πρώτο στοιχείο σε μια λίστα.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Επιστρέφει το στοιχείο στην καθορισμένη θέση σε μια λίστα.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Επιστρέφει το τελευταίο στοιχείο σε μια λίστα.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Επιστρέφει ένα τυχαίο στοιχείο σε μια λίστα.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Καταργεί και επιστρέφει το πρώτο στοιχείο σε μια λίστα.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Καταργεί και επιστρέφει το στοιχείο στην καθορισμένη θέση σε μια λίστα.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Καταργεί και επιστρέφει το τελευταίο στοιχείο σε μια λίστα.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Καταργεί και επιστρέφει ένα τυχαίο στοιχείο σε μια λίστα.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Καταργεί το πρώτο στοιχείο σε μια λίστα.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Καταργεί το στοιχείο στην καθορισμένη θέση σε μια λίστα.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Καταργεί το τελευταίο στοιχείο σε μια λίστα.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Καταργεί ένα τυχαίο στοιχείο σε μια λίστα.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "έως # από το τέλος";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "έως #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "έως το τελευταίο";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "Blockly";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "πάρε υπολίστα από την αρχή";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "πάρε υπολίστα από # από το τέλος";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "πάρε υπολίστα από #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Δημιουργεί ένα αντίγραφο του καθορισμένου τμήματος μιας λίστας.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "Το %1 είναι το τελευταίο στοιχείο.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "Το %1 είναι το πρώτο στοιχείο.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "βρες την πρώτη εμφάνιση του στοιχείου";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "Blockly";
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "βρες την τελευταία εμφάνιση του στοιχείου";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Επιστρέφει τον δείκτη της πρώτης/τελευταίας εμφάνισης του στοιχείου στη λίστα.  Επιστρέφει τιμή %1, αν το στοιχείο δεν βρεθεί.";
-Blockly.Msg["LISTS_INLIST"] = "στη λίστα";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "το %1 είναι κενό";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Επιστρέφει αληθής αν η λίστα είναι κενή.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "Blockly";
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "το μήκος του %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Επιστρέφει το μήκος μιας λίστας.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "Blockly";
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "δημιούργησε λίστα με το στοιχείο %1 να επαναλαμβάνεται %2 φορές";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Δημιουργεί μια λίστα που αποτελείται από την δεδομένη τιμή που επαναλαμβάνεται για συγκεκριμένο αριθμό επαναλήψεων.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "ανάκληση %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Α";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "σε";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "είσαγε στο";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "όρισε";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Εισάγει το στοιχείο στην αρχή μιας λίστας.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Εισάγει το στοιχείο στην καθορισμένη θέση σε μια λίστα.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Αναθέτει το στοιχείο στο τέλος μιας λίστας.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Εισάγει το στοιχείο τυχαία σε μια λίστα.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Ορίζει το πρώτο στοιχείο σε μια λίστα.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Ορίζει το στοιχείο στην καθορισμένη θέση σε μια λίστα.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Ορίζει το τελευταίο στοιχείο σε μια λίστα.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Ορίζει ένα τυχαίο στοιχείο σε μια λίστα.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "Αύξουσα";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "Φθίνουσα";
-Blockly.Msg["LISTS_SORT_TITLE"] = "επιλογή %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Επιλέξετε ένα αντίγραφο της λίστας.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "αλφαβητικά, αγνοήστε το στοιχείο";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "αριθμητικό";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "Αλφαβητικά";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "κάνετε λίστα από το κείμενο";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "κάνετε κείμενο από τη λίστα";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Ενώστε μια λίστα κειμένων σε ένα κείμενο, που χωρίζονται από ένα διαχωριστικό.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Διαίρεση του κειμένου σε μια λίστα κειμένων, με σπάσιμο σε κάθε διαχωριστικό.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "με διαχωριστικό";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ψευδής";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Επιστρέφει είτε αληθής είτε ψευδής.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "αληθής";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Επιστρέφει αληθής αν και οι δύο είσοδοι είναι ίσες μεταξύ τους.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Επιστρέφει αληθής αν η πρώτη είσοδος είναι μεγαλύτερη από τη δεύτερη είσοδο.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Επιστρέφει αληθής αν η πρώτη είσοδος είναι μικρότερη ή ίση με τη δεύτερη είσοδο.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Επιστρέφει αληθής αν η πρώτη είσοδος είναι μικρότερη από τη δεύτερη είσοδο.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Επιστρέφει αληθής αν η πρώτη είσοδος είναι μικρότερη από ή ίση με τη δεύτερη είσοδο.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Επιστρέφει αληθής αν και οι δύο είσοδοι δεν είναι ίσες μεταξύ τους.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "όχι %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Επιστρέφει αληθής αν η είσοδος είναι ψευδής. Επιστρέφει ψευδής αν η είσοδος είναι αληθής.";
-Blockly.Msg["LOGIC_NULL"] = "κενό";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Επιστρέφει κενό.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "και";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ή";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Επιστρέφει αληθής αν και οι δύο είσοδοι είναι αληθής.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Επιστρέφει αληθής αν τουλάχιστον μια από τις εισόδους είναι αληθής.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "έλεγχος";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "εάν είναι ψευδής";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "εάν είναι αληθής";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Ελέγχει την κατάσταση/συνθήκη στον «έλεγχο». Αν η κατάσταση/συνθήκη είναι αληθής, επιστρέφει την τιμή «εάν αληθής», διαφορετικά επιστρέφει την τιμή «εάν ψευδής».";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://el.wikipedia.org/wiki/%CE%91%CF%81%CE%B9%CE%B8%CE%BC%CE%B7%CF%84%CE%B9%CE%BA%CE%AE";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Επιστρέφει το άθροισμα των δύο αριθμών.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Επιστρέφει το πηλίκο των δύο αριθμών.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Επιστρέφει τη διαφορά των δύο αριθμών.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Επιστρέφει το γινόμενο των δύο αριθμών.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Επιστρέφει τον πρώτο αριθμό υψωμένο στη δύναμη του δεύτερου αριθμού.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 από X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Επιστρέφει την διαφορά τόξου των σημείων (X, Y) σε μοίρες από -180 σε 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://el.wikipedia.org/wiki/%CE%A0%CF%81%CF%8C%CF%83%CE%B8%CE%B5%CF%83%CE%B7";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "άλλαξε %1 από %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Προσθέτει έναν αριθμό στη μεταβλητή «%1».";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Επιστρέφει μία από τις κοινές σταθερές: π (3.141...), e (2.718...), φ (1.618...), sqrt(2) (1.414...), sqrt(½) (0.707...), ή ∞ (άπειρο).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "περιόρισε %1 χαμηλή %2 υψηλή %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Περιορίζει έναν αριθμό μεταξύ των προβλεπόμενων ορίων (χωρίς αποκλεισμούς).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "είναι διαιρετός από το";
-Blockly.Msg["MATH_IS_EVEN"] = "είναι άρτιος";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "είναι αρνητικός";
-Blockly.Msg["MATH_IS_ODD"] = "είναι περιττός";
-Blockly.Msg["MATH_IS_POSITIVE"] = "είναι θετικός";
-Blockly.Msg["MATH_IS_PRIME"] = "είναι πρώτος";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Ελέγχει αν ένας αριθμός είναι άρτιος, περιττός, πρώτος, ακέραιος, θετικός, αρνητικός, ή αν είναι διαιρετός από έναν ορισμένο αριθμό. Επιστρέφει αληθής ή ψευδής.";
-Blockly.Msg["MATH_IS_WHOLE"] = "είναι ακέραιος";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "υπόλοιπο της %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Επιστρέφει το υπόλοιπο της διαίρεσης των δύο αριθμών.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://el.wikipedia.org/wiki/%CE%91%CF%81%CE%B9%CE%B8%CE%BC%CF%8C%CF%82";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Ένας αριθμός.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "μέσος όρος λίστας";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "μεγαλύτερος λίστας";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "διάμεσος λίστας";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "μικρότερος λίστας";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "μορφές λίστας";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "τυχαίο στοιχείο λίστας";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "τυπική απόκλιση λίστας";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "άθροισμα λίστας";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Επιστρέφει τον αριθμητικό μέσο όρο από τις αριθμητικές τιμές στη λίστα.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Επιστρέφει τον μεγαλύτερο αριθμό στη λίστα.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Επιστρέφει τον διάμεσο της λίστας.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Επιστρέφει τον μικρότερο αριθμό στη λίστα.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Επιστρέφει μια λίστα με τα πιο κοινά στοιχεία στη λίστα.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Επιστρέφει ένα τυχαίο στοιχείο από τη λίστα.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Επιστρέφει την τυπική απόκλιση της λίστας.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Επιστρέφει το άθροισμα όλων των αριθμών στη λίστα.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^ ύψωση σε δύναμη";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://el.wikipedia.org/wiki/%CE%93%CE%B5%CE%BD%CE%BD%CE%AE%CF%84%CF%81%CE%B9%CE%B1_%CE%A4%CF%85%CF%87%CE%B1%CE%AF%CF%89%CE%BD_%CE%91%CF%81%CE%B9%CE%B8%CE%BC%CF%8E%CE%BD";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "τυχαίο κλάσμα";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Επιστρέψει ένα τυχαία κλάσμα μεταξύ 0,0 (κλειστό) και 1,0 (ανοικτό).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "τυχαίος ακέραιος από το %1 έως το %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Επιστρέφει έναν τυχαίο ακέραιο αριθμό μεταξύ δύο συγκεκριμένων ορίων (εντός - συμπεριλαμβανομένων και των ακραίων τιμών).";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "στρογγυλοποίησε";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "στρογγυλοποίησε προς τα κάτω";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "στρογγυλοποίησε προς τα πάνω";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Στρογγυλοποιεί έναν αριθμό προς τα πάνω ή προς τα κάτω.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://el.wikipedia.org/wiki/%CE%A4%CE%B5%CF%84%CF%81%CE%B1%CE%B3%CF%89%CE%BD%CE%B9%CE%BA%CE%AE_%CF%81%CE%AF%CE%B6%CE%B1";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "απόλυτη";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "τετραγωνική ρίζα";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Επιστρέφει την απόλυτη τιμή ενός αριθμού.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Επιστρέφει το e υψωμένο στη δύναμη ενός αριθμού.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Επιστρέφει τον νεπέρειο λογάριθμο ενός αριθμού.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Επιστρέφει τον λογάριθμο με βάση το 10 ενός αριθμού.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Επιστρέφει την αρνητική ενός αριθμού.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Επιστρέφει το 10 υψωμένο στη δύναμη ενός αριθμού.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Επιστρέφει την τετραγωνική ρίζα ενός αριθμού.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";
-Blockly.Msg["MATH_TRIG_COS"] = "συν";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://el.wikipedia.org/wiki/%CE%A4%CF%81%CE%B9%CE%B3%CF%89%CE%BD%CE%BF%CE%BC%CE%B5%CF%84%CF%81%CE%B9%CE%BA%CE%AE_%CF%83%CF%85%CE%BD%CE%AC%CF%81%CF%84%CE%B7%CF%83%CE%B7";
-Blockly.Msg["MATH_TRIG_SIN"] = "ημ";
-Blockly.Msg["MATH_TRIG_TAN"] = "εφ";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Επιστρέφει το τόξο συνημίτονου ενός αριθμού.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Επιστρέφει το τόξο ημίτονου ενός αριθμού.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Επιστρέφει το τόξο εφαπτομένης ενός αριθμού.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Επιστρέφει το συνημίτονο ενός βαθμού (όχι ακτινίου).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Επιστρέφει το ημίτονο ενός βαθμού (όχι ακτινίου).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Επιστρέφει την εφαπτομένη ενός βαθμού (όχι ακτινίου).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Δημιουργία μεταβλητής χρώματος...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Δημιουργία μεταβλητής αριθμού...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Δημιουργία μεταβλητή συμβολοσειράς...";
-Blockly.Msg["NEW_VARIABLE"] = "Δημιουργήστε μεταβλητή";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Νέο όνομα μεταβλητής:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Νέος τύπος μεταβλητής:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "να επιτρέπονται οι δηλώσεις";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "με:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://el.wikipedia.org/wiki/%CE%94%CE%B9%CE%B1%CE%B4%CE%B9%CE%BA%CE%B1%CF%83%CE%AF%CE%B1_%28%CF%85%CF%80%CE%BF%CE%BB%CE%BF%CE%B3%CE%B9%CF%83%CF%84%CE%AD%CF%82%29";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Εκτελεί την ορισμένη από τον χρήστη συνάρτηση «%1».";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://el.wikipedia.org/wiki/%CE%94%CE%B9%CE%B1%CE%B4%CE%B9%CE%BA%CE%B1%CF%83%CE%AF%CE%B1_%28%CF%85%CF%80%CE%BF%CE%BB%CE%BF%CE%B3%CE%B9%CF%83%CF%84%CE%AD%CF%82%29";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Εκτελεί την ορισμένη από τον χρήστη συνάρτηση «%1» και χρησιμοποίησε την έξοδό της.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "με:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Δημιούργησε «%1»";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Περιγράψετε αυτήν την ιδιότητα..";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "κάνε κάτι";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "στο";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Δημιουργεί μια συνάρτηση χωρίς έξοδο.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "επέστρεψε";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Δημιουργεί μια συνάρτηση με μια έξοδο.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Προειδοποίηση: Αυτή η συνάρτηση έχει διπλότυπες παραμέτρους.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Επισημάνετε τον ορισμό συνάρτησης";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Αν μια τιμή είναι αληθής, τότε επιστρέφει τη δεύτερη τιμή.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Προειδοποίηση: Αυτό το μπλοκ μπορεί να χρησιμοποιηθεί μόνο στον ορισμό μιας συνάρτησης.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "όνομα εισόδου:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Πρόσθεσε μια είσοδος στη συνάρτηση";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "είσοδοι";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Προσθέτει, αφαιρεί ή αναδιατάσσει εισόδους σε αυτήν τη λειτουργία";
-Blockly.Msg["REDO"] = "Ακύρωση αναίρεσης";
-Blockly.Msg["REMOVE_COMMENT"] = "Αφαίρεσε Το Σχόλιο";
-Blockly.Msg["RENAME_VARIABLE"] = "Μετονόμασε τη μεταβλητή...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Μετονόμασε όλες τις μεταβλητές «%1» σε:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";
-Blockly.Msg["TEXT_APPEND_TITLE"] = "έως %1 ανάθεσε κείμενο %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Αναθέτει κείμενο στη μεταβλητή «%1».";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "σε πεζά";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "σε Λέξεις Με Πρώτα Κεφαλαία";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "σε ΚΕΦΑΛΑΙΑ";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Επιστρέφει ένα αντίγραφο του κειμένου σε διαφορετική μορφή γραμμάτων.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "πάρε το πρώτο γράμμα";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "πάρε το γράμμα # από το τέλος";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "πάρε το γράμμα #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";
-Blockly.Msg["TEXT_CHARAT_LAST"] = "πάρε το τελευταίο γράμμα";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "πάρε τυχαίο γράμμα";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "στο κείμενο %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Επιστρέφει το γράμμα στην καθορισμένη θέση.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "αριθμός %1 σε %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Μετρά πόσες φορές κάποιο κείμενο εμφανίζεται μέσα σε ένα άλλο κείμενο.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Προσθέτει ένα στοιχείο στο κείμενο.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "ένωσε";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Προσθέτει, αφαιρεί ή αναδιατάσσει τους τομείς για να αναδιαμορφώσει αυτό το μπλοκ κειμένου.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "μέχρι το # γράμμα από το τέλος";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "μέχρι το # γράμμα";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "μέχρι το τελευταίο γράμμα";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "στο κείμενο";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "πάρε τη δευτερεύουσα συμβολοσειρά από το πρώτο γράμμα";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "πάρε τη δευτερεύουσα συμβολοσειρά από το # γράμμα από το τέλος";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "πάρε τη δευτερεύουσα συμβολοσειρά από το # γράμμα";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Επιστρέφει ένα συγκεκριμένο τμήμα του κειμένου.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "βρες την πρώτη εμφάνιση του κειμένου";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "βρες την τελευταία εμφάνιση του κειμένου";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "στο κείμενο %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Επιστρέφει τον δείκτη της πρώτης/τελευταίας εμφάνισης του πρώτου κειμένου στο δεύτερο κείμενο.  Επιστρέφει τιμή %1, αν δε βρει το κείμενο.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "το %1 είναι κενό";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Επιστρέφει αληθής αν το παρεχόμενο κείμενο είναι κενό.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "δημιούργησε κείμενο με";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Δημιουργεί ένα κομμάτι κειμένου ενώνοντας έναν  απεριόριστο αριθμό αντικειμένων.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "το μήκος του %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Επιστρέφει το πλήθος των γραμμάτων (συμπεριλαμβανομένων και των κενών διαστημάτων) στο παρεχόμενο κείμενο.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";
-Blockly.Msg["TEXT_PRINT_TITLE"] = "εκτύπωσε %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Εκτυπώνει το καθορισμένο κείμενο, αριθμό ή άλλη τιμή.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Δημιουργεί προτροπή για τον χρήστη για να δώσει ένα αριθμό.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Δημιουργεί προτροπή για το χρήστη για να δώσει κάποιο κείμενο.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "πρότρεψε με μήνυμα για να δοθεί αριθμός";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "πρότρεψε με μήνυμα για να δοθεί κείμενο";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "αντικαταστήσετε το %1 με %2 σε %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Αντικαταστήστε όλα τα ήδη υπάρχοντα στοιχεία μέρους του κειμένου με κάποιο άλλο κείμενο";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "ανάκληση %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Αναγραμματισμός των χαρακτήρων του κειμένου";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://el.wikipedia.org/wiki/%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CE%BB%CE%BF%CF%83%CE%B5%CE%B9%CF%81%CE%AC";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Ένα γράμμα, μια λέξη ή μια γραμμή κειμένου.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "περίκοψε τα κενά και από τις δυο πλευρές του";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "περίκοψε τα κενά από την αριστερή πλευρά του";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "περίκοψε τα κενά από την δεξιά πλευρά του";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Επιστρέφει ένα αντίγραφο του κειμένου με αφαιρεμένα τα κενά από το ένα ή και τα δύο άκρα.";
-Blockly.Msg["TODAY"] = "Σήμερα";
-Blockly.Msg["UNDO"] = "Αναίρεση";
-Blockly.Msg["UNNAMED_KEY"] = "χωρίς όνομα";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "αντικείμενο";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Δημιούργησε «όρισε %1»";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Επιστρέφει την τιμή αυτής της μεταβλητής.";
-Blockly.Msg["VARIABLES_SET"] = "όρισε %1 μέχρι το %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Δημιούργησε «πάρε %1»";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Ορίζει αυτή τη μεταβλητή να είναι ίση με την είσοδο.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Η μεταβλητή με το όνομα \"%1\" υπάρχει ήδη";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Μια μεταβλητή με όνομα '%1' υπάρχει πάντα για έναν άλλο τύπο: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Χώρος εργασίας Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Πείτε κάτι...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/en-gb.js b/msg/js/en-gb.js
deleted file mode 100644
index 5df6b178607..00000000000
--- a/msg/js/en-gb.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Add Comment";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Change value:";
-Blockly.Msg["CLEAN_UP"] = "Clean up Blocks";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Collapse Blocks";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Collapse Block";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "colour 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "colour 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "ratio";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "blend";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Blends two colours together with a given ratio (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Colour";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Choose a colour from the palette.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "random colour";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Choose a colour at random.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blue";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "green";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "red";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "colour with";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Create a colour with the specified amount of red, green, and blue.  All values must be between 0 and 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "break out of loop";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continue with next iteration of loop";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Break out of the containing loop.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warning: This block may only be used within a loop.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "for each item %1 in list %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For each item in a list, set the variable '%1' to the item, and then do some statements.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "count with %1 from %2 to %3 by %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Add a condition to the if block.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "else";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "else if";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "if";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "If a value is true, then do some statements.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "do";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "repeat %1 times";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Do some statements several times.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "repeat until";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "repeat while";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "While a value is false, then do some statements.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "While a value is true, then do some statements.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Delete all %1 blocks?";
-Blockly.Msg["DELETE_BLOCK"] = "Delete Block";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Delete %1 Blocks";
-Blockly.Msg["DISABLE_BLOCK"] = "Disable Block";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplicate";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Enable Block";
-Blockly.Msg["EXPAND_ALL"] = "Expand Blocks";
-Blockly.Msg["EXPAND_BLOCK"] = "Expand Block";
-Blockly.Msg["EXTERNAL_INPUTS"] = "External Inputs";
-Blockly.Msg["HELP"] = "Help";
-Blockly.Msg["INLINE_INPUTS"] = "Inline Inputs";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";
-Blockly.Msg["IOS_ERROR"] = "Error";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "list";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "first";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# from end";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "get";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "last";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "random";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "in list";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "as";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insert at";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descendente";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "false";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Returns either true or false.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "true";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Return true if both inputs equal each other.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "not %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returns null.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "and";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "or";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "if false";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "if true";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Return the sum of the two numbers.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "change %1 by %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "is divisible by";
-Blockly.Msg["MATH_IS_EVEN"] = "is even";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "is negative";
-Blockly.Msg["MATH_IS_ODD"] = "is odd";
-Blockly.Msg["MATH_IS_POSITIVE"] = "is positive";
-Blockly.Msg["MATH_IS_PRIME"] = "is prime";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";
-Blockly.Msg["MATH_IS_WHOLE"] = "is whole";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "A number.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "average of list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "max of list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "min of list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "sum of list";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "round";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "round down";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "round up";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolute";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "square root";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Create variable...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "New variable name:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "do something";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "to";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "return";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "Redo";
-Blockly.Msg["REMOVE_COMMENT"] = "Remove Comment";
-Blockly.Msg["RENAME_VARIABLE"] = "Rename variable...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Rename all '%1' variables to:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "join";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in text";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 is empty";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "print %1";  // untranslated
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";
-Blockly.Msg["TODAY"] = "Today";
-Blockly.Msg["UNDO"] = "Undo";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "item";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/en.js b/msg/js/en.js
deleted file mode 100644
index 307dc19e70d..00000000000
--- a/msg/js/en.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Add Comment";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Change value:";
-Blockly.Msg["CLEAN_UP"] = "Clean up Blocks";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";
-Blockly.Msg["COLLAPSE_ALL"] = "Collapse Blocks";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Collapse Block";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "colour 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "colour 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "ratio";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "blend";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Blends two colours together with a given ratio (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Choose a colour from the palette.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "random colour";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Choose a colour at random.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blue";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "green";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "red";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "colour with";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Create a colour with the specified amount of red, green, and blue. All values must be between 0 and 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "break out of loop";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continue with next iteration of loop";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Break out of the containing loop.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warning: This block may only be used within a loop.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "for each item %1 in list %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For each item in a list, set the variable '%1' to the item, and then do some statements.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "count with %1 from %2 to %3 by %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Add a condition to the if block.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "else";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "else if";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "if";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "If a value is true, then do some statements.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "do";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "repeat %1 times";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Do some statements several times.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "repeat until";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "repeat while";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "While a value is false, then do some statements.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "While a value is true, then do some statements.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Delete all %1 blocks?";
-Blockly.Msg["DELETE_BLOCK"] = "Delete Block";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Delete %1 Blocks";
-Blockly.Msg["DISABLE_BLOCK"] = "Disable Block";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplicate";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";
-Blockly.Msg["ENABLE_BLOCK"] = "Enable Block";
-Blockly.Msg["EXPAND_ALL"] = "Expand Blocks";
-Blockly.Msg["EXPAND_BLOCK"] = "Expand Block";
-Blockly.Msg["EXTERNAL_INPUTS"] = "External Inputs";
-Blockly.Msg["HELP"] = "Help";
-Blockly.Msg["INLINE_INPUTS"] = "Inline Inputs";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";
-Blockly.Msg["IOS_ERROR"] = "Error";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "list";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "first";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# from end";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "get";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "last";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "random";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "remove";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";
-Blockly.Msg["LISTS_INLIST"] = "in list";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 is empty";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "as";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insert at";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "false";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Returns either true or false.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "true";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Return true if both inputs equal each other.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "not %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returns null.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "and";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";
-Blockly.Msg["LOGIC_OPERATION_OR"] = "or";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "if false";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "if true";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Return the sum of the two numbers.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "change %1 by %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "is divisible by";
-Blockly.Msg["MATH_IS_EVEN"] = "is even";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "is negative";
-Blockly.Msg["MATH_IS_ODD"] = "is odd";
-Blockly.Msg["MATH_IS_POSITIVE"] = "is positive";
-Blockly.Msg["MATH_IS_PRIME"] = "is prime";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";
-Blockly.Msg["MATH_IS_WHOLE"] = "is whole";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "A number.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "average of list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "max of list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "min of list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "sum of list";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "round";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "round down";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "round up";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolute";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "square root";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";
-Blockly.Msg["NEW_VARIABLE"] = "Create variable...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "New variable name:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "with:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "with:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "do something";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "to";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "return";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";
-Blockly.Msg["REDO"] = "Redo";
-Blockly.Msg["REMOVE_COMMENT"] = "Remove Comment";
-Blockly.Msg["RENAME_VARIABLE"] = "Rename variable...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Rename all '%1' variables to:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "join";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in text";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 is empty";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";
-Blockly.Msg["TEXT_PRINT_TITLE"] = "print %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";
-Blockly.Msg["TODAY"] = "Today";
-Blockly.Msg["UNDO"] = "Undo";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "item";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/eo.js b/msg/js/eo.js
deleted file mode 100644
index 40c35982125..00000000000
--- a/msg/js/eo.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Aldoni komenton";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Ne povas forigi la variablon '%1' ĉar ĝi estas parto de la difino de la funkcio '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Ŝangi valoron:";
-Blockly.Msg["CLEAN_UP"] = "Purigi blokojn";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Falditaj blokoj enhavas avertojn.";
-Blockly.Msg["COLLAPSE_ALL"] = "Faldi blokojn";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Faldi blokon";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "koloro 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "koloro 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "proporcio";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "miksi";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Kunmiksas du kolorojn laŭ specifita proporcio (0,0 - 1,0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://eo.wikipedia.org/wiki/Koloro";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Elekti koloron el la paletro.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "hazarda koloro";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Elekti hazardan koloron.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blua";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "verda";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "ruĝa";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "kolorigi per";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Kreas koloron kun specifita kvanto de ruĝo, verdo, kaj bluo. Ĉiuj valoroj devas esti inter 0 kaj 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "eliri el la ciklo";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "daŭrigi je la venonta ripeto de la ciklo";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Eliri el la enhava ciklo.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Pretersalti la ceteron de tiu ĉi ciklo kaj daŭrigi je la venonta ripeto.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Averto: tiu ĉi bloko uzeblas nur ene de ciklo.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "por ĉiu elemento %1 en la listo %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Pri ĉiu elemento en listo, difinas la variablon '%1' al la elemento, kaj faras kelkajn ordonojn.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "kalkuli kun variablo %1 ekde %2 ĝis %3 per diferenco %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Varias la variablon '%1', ekde la komenca nombro ĝis la fina nombro, laŭ la specifita diferenco; dume rulas la specifitajn blokojn.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Aldoni kondiĉon al la bloko 'se'";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Aldoni 'aliokaze' kondiĉon al la 'se' bloko.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Aldoni, forigi aŭ reorganizi partojn por reagordi la 'se'-blokon.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "alie";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "alie se";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "se";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Plenumi ordonojn se la valoro estas vero.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Plenumi la unuan blokon de ordonoj se la valoro estas vero, se ne, la duan.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Se la unua valoro estas vero, do faras la unuan blokon de ordonoj. Alie, se la dua valoro estas vero, do faras la duan blokon de ordonoj.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Se la unua valoro estas vero, do faras la unuan blokon de ordonoj. Alie, se la dua valoro estas vero, do faras la duan blokon de ordonoj. Se neniu el la du valoroj estas vero, do faras la lastan blokon de ordonoj.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://eo.wikipedia.org/wiki/Iteracio";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "fari";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "ripeti %1 fojojn";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Plenumas kelkajn ordonojn plurfoje.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ripeti ĝis";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ripeti dum";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Plenumi ordonojn dum valoro egalas malvero.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Plenumi ordonojn dum la valoro egalas veron.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Ĉu forigi ĉiujn %1 blokojn?";
-Blockly.Msg["DELETE_BLOCK"] = "Forigi blokon";
-Blockly.Msg["DELETE_VARIABLE"] = "Forigi la variablon '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Ĉu forigi %1 uzojn de la variablo '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Forigi %1 blokojn";
-Blockly.Msg["DISABLE_BLOCK"] = "Malŝalti blokon";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duobligi";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duobligi Komenton";
-Blockly.Msg["ENABLE_BLOCK"] = "Ŝalti blokon";
-Blockly.Msg["EXPAND_ALL"] = "Malfaldi blokojn";
-Blockly.Msg["EXPAND_BLOCK"] = "Malfaldi blokon";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Eksteraj eniroj";
-Blockly.Msg["HELP"] = "Helpo";
-Blockly.Msg["INLINE_INPUTS"] = "Entekstaj eniroj";
-Blockly.Msg["IOS_CANCEL"] = "Nuligi";
-Blockly.Msg["IOS_ERROR"] = "Eraro";
-Blockly.Msg["IOS_OK"] = "Bone";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Aldoni eniron";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Permesi ordonojn";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Ĉi tiu funkcio havas du samnomajn enirojn.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ENIROJ";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Aldoni";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Aldoni Variablon";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Forigi";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "La nomo de la variablo devas esti ne malplena.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Alinomigi";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Nomo de variablo";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "krei malplenan liston";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Liveri liston, de longo 0, sen datenaj rikordoj";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "listo";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Aldoni, forigi aŭ ordigi partojn por reagordi la listan blokon.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "krei liston kun";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Aldoni elementon al la listo.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Krei liston kun ajna nombro de elementoj.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "unuan";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "#el la fino";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "akiri";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "akiri kaj forigi";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "lastan";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "hazardan";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "forigi";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "La unua elemento en la listo esto liverita.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Liveri la elementon ĉe la specifita pozicio en listo.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Liveri la lastan elementon en la listo.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Hazarda elemento en la listo estos liverita.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "La unua elemento en la listo estos liverita kaj forigita.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Liveri kaj forigi la elementon en la specifita pozicio de la listo.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Forigi kaj liveri la lastan elementon en listo.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Hazarda elemento en la listo estos liverita kaj forigita.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "La unua elemento en la listo estos forigita.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "La elemento en la specifita pozicio en la listo estos forigita.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "La lasta elemento en la listo estos forigita.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Hazarda elemento en la listo estos forigita.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "ĝis elemento de inversa numero";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "ĝis elemento de numero";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "ĝis la lasta elemento";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "akiri subliston ekde la unua elemento";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "akiri subliston ekde elemento de inversa numero";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "akiri subliston ekde elemento de numero";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Kreas kopion de la specifita parto de listo.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 estas la lasta elemento.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 estas la unua elemento.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "trovi la unuan aperon de elemento";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "trovi la lastan aperon de elemento";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "La indekso de la unua/lasta apero de la elemento en la listo estos liverita. %1 estos liverita se la elemento ne estas trovita.";
-Blockly.Msg["LISTS_INLIST"] = "en la listo";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 malplenas";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Liveri veron, se la listo malplenas.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "longo de %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Liveri la longon de listo.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "krei liston kun elemento %1 ripetita %2 fojojn";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Listo kun la specifita nombro de elementoj, kiuj havos la donitan valoron, estos kreita.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "inversigi liston %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Inversigi kopion de listo.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "kiel";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "enmeti je";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "difini";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Antaŭaldonas la elementon ĉe la komenco de listo.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Enigas la elementon ĉe specifita pozicio en listo.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Postaldonas la elementon ĉe la fino de listo.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Enigas la elementon hazarde en listo.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Difinas la unua elementon en listo.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Difinas la elementon ĉe la specifita pozicio en listo";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Difinas la lastan elementon en listo.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Difinas hazardan elementon en listo.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "kreskante";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "malkreskante";
-Blockly.Msg["LISTS_SORT_TITLE"] = "ordigi %1 %2 liston %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Ordigas kopion de listo.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabete, ignorante usklon";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "nombre";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabete";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "fari liston el teksto";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "fari tekston el listo";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Kunigas liston de tekstoj en unu tekston, kun apartigilo inter la elementoj.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Disdividas tekston en liston da tekstoj, laŭ apartigilo.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "kun apartigilo";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "falsa";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Liveri ĉu veron ĉu malveron.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "vera";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://eo.wikipedia.org/wiki/Neegala%C4%B5o_(pli_granda,_malpli_granda)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Liveri veron, se la du eniroj egalas.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Liveri veron, se la unua eniro estas pli granda ol la dua.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Vero estos liverita, se la unua eniro estas pli granda aŭ egala al la dua.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Liveri veron, se la unua eniro estas pli malgranda ol la dua.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Vero estos liverita, se la unua eniro estas pli eta aŭ egala al la dua.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Liveri veron, se la du eniroj ne egalas.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "maligi %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Liveri veron, se la eniro egalas malveron. Liveri malveron, se la eniro egalas veron.";
-Blockly.Msg["LOGIC_NULL"] = "senvalora";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Liveras senvaloron.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "kaj";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "aŭ";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Liveri veron, se la du eniroj egalas veron.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Liveri veron, se almenaŭ unu el la eniroj egalas veron.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "testi";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "se estas malvero";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "se estas vero";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Kontroli la kondiĉon en 'testo'. Se la kondiĉo egalas veron, liveri la valoron 'se estas vero', aliokaze liveri la valoron 'se estas malvero'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://eo.wikipedia.org/wiki/Aritmetiko";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Liveri la sumon de la du nombroj.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Liveri la kvocienton de la du nombroj.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Liveri la diferencon inter la du nombroj.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "La produto de la du numeroj estos liverita.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Livero la tian potencon de la unua nombro, kia la dua nombro estas";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://eo.wikipedia.org/wiki/Inversa_trigonometria_funkcio#Duargumenta_varianto_de_tangentarko";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 de X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Liveras la arkotangenton de punkto (X, Y) en gradoj inter -180 kaj 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://eo.wikipedia.org/wiki/Kremento";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "krementi %1 per %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Aldoni nombron al variablo '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://eo.wikipedia.org/wiki/Matematika_konstanto";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Liveras unu el la ofte uzataj konstantoj: π (3,141…), e (2,718…), φ (1,618…), √2 (1,414…), √½ (0,707…), aŭ ∞ (malfinio).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "limigi %1 inter %2 kaj %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "La nombro estos limigita tiel ke ĝi egalas la limojn aŭ troviĝas inter ili.";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "estas dividebla de";
-Blockly.Msg["MATH_IS_EVEN"] = "estas para";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "estas negativa";
-Blockly.Msg["MATH_IS_ODD"] = "estas nepara";
-Blockly.Msg["MATH_IS_POSITIVE"] = "estas pozitiva";
-Blockly.Msg["MATH_IS_PRIME"] = "estas primo";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Vero aŭ malvero estos liverita, depende de la rezulto de kontrolo, ĉu nombro estas para, nepara, pozitiva, negativa, aŭ dividebla de iu nombro.";
-Blockly.Msg["MATH_IS_WHOLE"] = "estas entjero";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://eo.wikipedia.org/wiki/Resto";
-Blockly.Msg["MATH_MODULO_TITLE"] = "resto de %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Liveri la reston de la divido de la du nombroj.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://eo.wikipedia.org/wiki/Nombro";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Nombro.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "listmezumo";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "listmaksimumo";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "mediano de listo";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "listminimumo";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modoj de listo";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "hazarda elemento el la listo";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "Norma devio de la listo";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "sumo de listo";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Liveri la aritmetikan meznombron de la nombroj en la listo.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Liveri la plej grandan nombron en la listo.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Liveras la medianan nombron en la listo.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Liveri la plej malgrandan nombron en la listo.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Liveras liston de la plej ofta(j) elemento(j) en la listo.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Liveri hazardan elementon el la listo.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Liveri la norman devion de la listo.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Liveri la sumon de ĉiuj nombroj en la listo.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://eo.wikipedia.org/wiki/Hazardo";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "hazarda frakcio";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Liveras hazardan frakcion inter 0,0 (inkluzive) kaj 1,0 (ekskluzive).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "hazarda entjero inter %1 kaj %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Nombro estos hazarde liverita, tiel ke ĝi egalas la limojn aŭ troviĝas inter ili.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "rondigi";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "rondigi malsupren";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "Rondigi supren";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Rondigi nombroj, supren aŭ malsupren.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://eo.wikipedia.org/wiki/Kvadrata_radiko";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absoluta";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "kvadrata radiko";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Liveri la absolutan valoron de nombro.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Liveri potencon de e.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Liveri la naturan logaritmon de nombro.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "La dekbaza logaritmo de numero estos liverita.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "La negativigo de numero estos liverita.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Liveri tian potencon de 10, kia la eniro estas.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Liveri la kvadratan radikon de nombro.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://eo.wikipedia.org/wiki/Trigonometria_funkcio";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Liveras la arkokosinuson de nombro.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "La sinusarko de nombro estos liverita.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "La targentarko de nombro estos liverita.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Liveras la kosinuson de angulo en gradoj (ne radianoj).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Liveras la sinuson de angulo en gradoj (ne radianoj).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Liveras la tangenton de angulo en gradoj (ne radianoj).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Krei koloran variablon...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Krei nombran variablon...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Krei signoĉenan variablon...";
-Blockly.Msg["NEW_VARIABLE"] = "Nova variablo...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nova nomo de variablo:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Tipo de nova variablo:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "permesi ordonojn";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "kun:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://eo.wikipedia.org/wiki/Subprogramo";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Ruli la uzanto-difinitan funkcion '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://eo.wikipedia.org/wiki/Subprogramo";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Ruli la uzanto-difinitan funkcion '%1' kaj uzi ĝian eliron.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "kun:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Krei '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Priskribi ĉi tiun funkcion...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "fari ion";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "por";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Krei funkcion sen eliro.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "liveri";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Krei funkcion kun unu eliro.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Averto: la funkcio havas du parametrojn kun la sama nomo.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Emfazi difinon de funkcio";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Se valoro estas vero, do liveras duan valoron.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Averto: Ĉi tiu bloko estas uzebla nur en difino de funkcio.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "nomo de enigo:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Aldoni eniron al la funkcio.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "eniroj";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Aldoni, forigi, aŭ reorganizi enirojn je ĉi tiu funkcio.";
-Blockly.Msg["REDO"] = "Refari";
-Blockly.Msg["REMOVE_COMMENT"] = "Forigi komenton";
-Blockly.Msg["RENAME_VARIABLE"] = "Renomi variablon...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Renomi ĉiujn '%1' variablojn kiel:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "al %1 postaldoni tekston %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Postapendi iom da teksto al variablo '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "minuskligi";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "Nomuskligi";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "MAJUSKLIGI";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Liveras kopion de la teksto je alia usklo.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "akiri unuan literon";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "akiri literon de inversa numero";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "akiri literon de numero";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "akiri lastan literon";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "akiri hazardan literon";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "en la teksto %1, %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Liveras literon ĉe specifita loko.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "kalkuli la okazojn de %1 en %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Kalkuli kiomfoje iu teksto okazas en iu alia teksto.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Aldoni eron al la teksto.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "kunigi";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Aldonu, forigu, aŭ reorganizu partojn por reagordi la tekstan blokon.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "ĝis litero de inversa numero";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "ĝis litero de numero";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "ĝis lasta litero";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "en la teksto";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "akiri subsignoĉenon ekde la unua litero";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "akiri subsignoĉenon ekde litero de inversa numero";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "akiri subsignoĉenon ekde litero de numero";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Liveri specifitan parto de la teksto.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "trovi la unuan okazon de teksto";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "trovi la lastan okazon de teksto";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "en la teksto %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Liveras indekson de la unua/lasta okazo de la unua teksto en la dua teksto. Liveras %1 se la unua teksto ne okazas en la dua teksto.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 malplenas";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Liveras veron, se la provizita teksto estas malplena.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "krei tekston kun";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Krei pecon de teksto per kunigi ajnan nombron de eroj.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "longo de %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Liveras la nombron de literoj (inkluzive de spacetoj) en la provizita teksto.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "presi %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Presi la specifitan tekston, nombron aŭ alian valoron.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Peti nombron al uzanto.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Peti tekston al uzanto.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "ricevi nombron per mesaĝo";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "ricevi tekston per mesaĝo";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "anstataŭigi tekston %1 per %2 en %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Anstataŭigi ĉiujn okazojn de iu teksto en alia teksto.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "inversigi tekston %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Inversigi la ordon de la skribsignoj en la teksto.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://eo.wikipedia.org/wiki/Signoĉeno";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Litero, vorto, aŭ linio da teksto.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "forigi spacetojn for de ambaŭ finoj de";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "forigi spacetojn for de maldekstra fino de";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "forigi spacetojn for de dekstra fino de";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Liveras kopion de teksto, de kies fino(j) spacetoj foriĝis.";
-Blockly.Msg["TODAY"] = "Hodiaŭ";
-Blockly.Msg["UNDO"] = "Malfari";
-Blockly.Msg["UNNAMED_KEY"] = "nenomita";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "elemento";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Krei blokon 'difini variablon %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Liveras la valoron de ĉi tiu variablo.";
-Blockly.Msg["VARIABLES_SET"] = "difini %1 kiel %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Krei blokon 'akiri variablon %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Difinas ĉi tiun variablon kiel la eniron.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Jam ekzistas variablo kun la nomo '%1'.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Jam ekzistas variablo kun la nomo '%1' por alia tipo: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Diru ion…";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/es.js b/msg/js/es.js
deleted file mode 100644
index 258332fa4c2..00000000000
--- a/msg/js/es.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Añadir comentario";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "No se puede eliminar la variable '%1' porque es parte de la definición de la función '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Cambiar el valor:";
-Blockly.Msg["CLEAN_UP"] = "Limpiar los bloques";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Bloques colapsados contienen advertencias.";
-Blockly.Msg["COLLAPSE_ALL"] = "Contraer bloques";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Contraer bloque";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "color 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "color 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "proporción";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "combinar";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Combina dos colores con una proporción determinada (0,0-1,0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://es.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Elige un color de la paleta.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "color aleatorio";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Elige un color al azar.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "azul";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "verde";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "rojo";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "colorear con";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Crea un color con cantidades específicas de rojo, verde y azul. Todos los valores deben encontrarse entre 0 y 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "romper el bucle";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continuar con la siguiente iteración del bucle";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Romper el bucle que lo contiene.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Saltar el resto de este bucle, y continuar con la siguiente iteración.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Atención: este bloque puede usarse solamente dentro de un bucle.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://es.wikipedia.org/wiki/Foreach";
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "para cada elemento %1 en la lista %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Para cada elemento en una lista, establecer la variable '%1' al elemento y luego hacer algunas declaraciones.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "contar con %1 desde %2 hasta %3 de a %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Hacer que la variable \"%1\" tome los valores desde el número de inicio hasta el número final, contando con el intervalo especificado, y hacer los bloques especificados.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Agregar una condición a este bloque.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Agregar una condición general final a este bloque.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Agregar, eliminar o reordenar las secciones para reconfigurar este bloque.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "sino";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "sino si";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "si";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Si un valor es verdadero, entonces hacer algunas declaraciones.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Si un valor es verdadero, entonces hacer el primer bloque de declaraciones.  De lo contrario, hacer el segundo bloque de declaraciones.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Si el primer valor es verdadero, entonces hacer el primer bloque de declaraciones. De lo contrario, si el segundo valor es verdadero, hacer el segundo bloque de declaraciones.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Si el primer valor es verdadero, entonces hacer el primer bloque de declaraciones. De lo contrario, si el segundo valor es verdadero, hacer el segundo bloque de declaraciones. Si ninguno de los valores son verdaderos, hacer el último bloque de declaraciones.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "hacer";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "repetir %1 veces";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Hacer algunas declaraciones varias veces.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "repetir hasta";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "repetir mientras";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Mientras un valor sea falso, entonces hacer algunas declaraciones.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Mientras un valor sea verdadero, entonces hacer algunas declaraciones.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "¿Eliminar todos los %1 bloques?";
-Blockly.Msg["DELETE_BLOCK"] = "Eliminar bloque";
-Blockly.Msg["DELETE_VARIABLE"] = "Borrar la variable \"%1\"";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "¿Borrar %1 usos de la variable '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Eliminar %1 bloques";
-Blockly.Msg["DISABLE_BLOCK"] = "Desactivar bloque";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplicar";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicar comentario";
-Blockly.Msg["ENABLE_BLOCK"] = "Activar bloque";
-Blockly.Msg["EXPAND_ALL"] = "Expandir bloques";
-Blockly.Msg["EXPAND_BLOCK"] = "Expandir bloque";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Entradas externas";
-Blockly.Msg["HELP"] = "Ayuda";
-Blockly.Msg["INLINE_INPUTS"] = "Entradas en línea";
-Blockly.Msg["IOS_CANCEL"] = "Cancelar";
-Blockly.Msg["IOS_ERROR"] = "Error";
-Blockly.Msg["IOS_OK"] = "Aceptar";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Añadir entrada";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Permitir declaraciones";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Esta función tiene entradas duplicadas.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ENTRADAS";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Añadir";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Añadir variable";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Borrar";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "No puedes usar un nombre de variable vacío.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Renombrar";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Nombre de la variable";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "crear lista vacía";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Devuelve una lista, de longitud 0, sin ningún dato";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "lista";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Agregar, eliminar o reorganizar las secciones para reconfigurar este bloque de lista.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "crear lista con";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Agregar un elemento a la lista.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Crear una lista con cualquier número de elementos.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "primero";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# del final";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "obtener";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "obtener y eliminar";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "último";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "aleatorio";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "eliminar";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Devuelve el primer elemento de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Devuelve el elemento en la posición especificada en una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Devuelve el último elemento de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Devuelve un elemento aleatorio en una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Elimina y devuelve el primer elemento de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Elimina y devuelve el elemento en la posición especificada en una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Elimina y devuelve el último elemento de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Elimina y devuelve un elemento aleatorio en una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Elimina el primer elemento de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Elimina el elemento en la posición especificada en una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Elimina el último elemento de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Elimina un elemento aleatorio en una lista.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "hasta # del final";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "hasta #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "hasta el último";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "obtener sublista desde el primero";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "obtener sublista desde # del final";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "obtener sublista desde #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Crea una copia de la parte especificada de una lista.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 es el último elemento.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 es el primer elemento.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "encontrar la primera aparición del elemento";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "encontrar la última aparición del elemento";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Devuelve el índice de la primera/última aparición del elemento en la lista. Devuelve %1 si el elemento no se encuentra.";
-Blockly.Msg["LISTS_INLIST"] = "en la lista";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 está vacía";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Devuelve verdadero si la lista está vacía.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "longitud de %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Devuelve la longitud de una lista.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "crear lista con el elemento %1 repetido %2 veces";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Crea una lista que consta de un valor dado repetido el número de veces especificado.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "invertir %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Invertir una copia de una lista.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "como";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insertar en";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "establecer";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserta el elemento al inicio de una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserta el elemento en la posición especificada en una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Añade el elemento al final de una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserta el elemento aleatoriamente en una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Establece el primer elemento de una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Establece el elemento en la posición especificada en una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Establece el último elemento de una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Establece un elemento aleatorio en una lista.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascendente";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descendente";
-Blockly.Msg["LISTS_SORT_TITLE"] = "orden %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Ordenar una copia de una lista.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabético, ignorar mayúscula/minúscula";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numérico";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabético";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "hacer lista a partir de texto";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "hacer texto a partir de lista";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Unir una lista de textos en un solo texto, separado por un delimitador.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Dividir el texto en una lista de textos, separando en cada delimitador.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "con delimitador";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "falso";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Devuelve verdadero o falso.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "verdadero";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://es.wikipedia.org/wiki/Desigualdad_matemática";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Devuelve verdadero si ambas entradas son iguales.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Devuelve verdadero si la primera entrada es mayor que la segunda entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Devuelve verdadero si la primera entrada es mayor o igual a la segunda entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Devuelve verdadero si la primera entrada es menor que la segunda entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Devuelve verdadero si la primera entrada es menor que o igual a la segunda entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Devuelve verdadero si ambas entradas son distintas.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "no %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Devuelve verdadero si la entrada es falsa. Devuelve falso si la entrada es verdadera.";
-Blockly.Msg["LOGIC_NULL"] = "nulo";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Devuelve nulo.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "y";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "o";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Devuelve verdadero si ambas entradas son verdaderas.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Devuelve verdadero si al menos una de las entradas es verdadera.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "prueba";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "si es falso";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "si es verdadero";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Comprueba la condición en \"prueba\". Si la condición es verdadera, devuelve el valor \"si es verdadero\"; de lo contrario, devuelve el valor \"si es falso\".";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://es.wikipedia.org/wiki/Aritmética";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Devuelve la suma de ambos números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Devuelve el cociente de ambos números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Devuelve la diferencia de ambos números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Devuelve el producto de ambos números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Devuelve el primer número elevado a la potencia del segundo.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://es.wikipedia.org/wiki/Arcotangente_de_dos_par%C3%A1metros";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "Arcotangente de X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Regresar el arcotangente del punto (X,Y) en grados de -180 a 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "añadir %2 a %1";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Añadir un número a la variable «%1».";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://es.wikipedia.org/wiki/Anexo:Constantes_matemáticas";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Devuelve una de las constantes comunes: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…) o ∞ (infinito).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "limitar %1 entre %2 y %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Limitar un número entre los límites especificados (inclusive).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "es divisible por";
-Blockly.Msg["MATH_IS_EVEN"] = "es par";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "es negativo";
-Blockly.Msg["MATH_IS_ODD"] = "es impar";
-Blockly.Msg["MATH_IS_POSITIVE"] = "es positivo";
-Blockly.Msg["MATH_IS_PRIME"] = "es primo";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Comprueba si un número es par, impar, primo, entero, positivo, negativo, o si es divisible por un número determinado. Devuelve verdadero o falso.";
-Blockly.Msg["MATH_IS_WHOLE"] = "es entero";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "resto de %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Devuelve el resto al dividir los dos números.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://es.wikipedia.org/wiki/Número";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Un número.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "promedio de la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "máximo de la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "mediana de la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "mínimo de la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modas de la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "elemento aleatorio de la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "desviación estándar de la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "suma de la lista";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Devuelve el promedio (media aritmética) de los valores numéricos en la lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Devuelve el número más grande en la lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Devuelve la mediana en la lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Devuelve el número más pequeño en la lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Devuelve una lista de los elementos más comunes en la lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Devuelve un elemento aleatorio de la lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Devuelve la desviación estándar de la lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Devuelve la suma de todos los números en la lista.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://es.wikipedia.org/wiki/Generador_de_números_aleatorios";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "fracción aleatoria";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Devuelve una fracción aleatoria entre 0,0 (ambos inclusive) y 1.0 (exclusivo).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://es.wikipedia.org/wiki/Generador_de_números_aleatorios";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "entero aleatorio de %1 a %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Devuelve un entero aleatorio entre los dos límites especificados, inclusive.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://es.wikipedia.org/wiki/Redondeo";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "redondear";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "redondear a la baja";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "redondear al alza";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Redondear un número al alza o a la baja.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://es.wikipedia.org/wiki/Ra%C3%ADz_cuadrada";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absoluto";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "raíz cuadrada";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Devuelve el valor absoluto de un número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Devuelve e a la potencia de un número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Devuelve el logaritmo natural de un número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Devuelve el logaritmo base 10 de un número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Devuelve la negación de un número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Devuelve 10 a la potencia de un número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Devuelve la raíz cuadrada de un número.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://es.wikipedia.org/wiki/Función_trigonométrica";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Devuelve el arcocoseno de un número.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Devuelve el arcoseno de un número.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Devuelve el arcotangente de un número.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Devuelve el coseno de un grado (no radián).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Devuelve el seno de un grado (no radián).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Devuelve la tangente de un grado (no radián).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Crear una variable de color...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Crear una variable de número...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Crear una cadena variable...";
-Blockly.Msg["NEW_VARIABLE"] = "Crear variable…";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nombre de variable nueva:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Nuevo tipo de variable:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "permitir declaraciones";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "con:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://es.wikipedia.org/wiki/Subrutina";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Ejecuta la función definida por el usuario '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://es.wikipedia.org/wiki/Subrutina";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Ejecuta la función definida por el usuario '%1' y usa su salida.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "con:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Crear '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe esta función...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "hacer algo";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "para";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Crea una función sin salida.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "devuelve";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Crea una función con una salida.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Advertencia: Esta función tiene parámetros duplicados.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Destacar definición de la función";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Si un valor es verdadero, entonces devuelve un segundo valor.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Advertencia: Este bloque solo puede ser utilizado dentro de la definición de una función.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "nombre de entrada:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Añadir una entrada a la función.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "entradas";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Añadir, eliminar o reordenar entradas para esta función.";
-Blockly.Msg["REDO"] = "Rehacer";
-Blockly.Msg["REMOVE_COMMENT"] = "Eliminar comentario";
-Blockly.Msg["RENAME_VARIABLE"] = "Cambiar nombre de variable…";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Renombrar todas las variables «%1» a:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "a %1 añade el texto %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Añadir texto a la variable '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "a minúsculas";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "a Mayúsculas Cada Palabra";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "a MAYÚSCULAS";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Devuelve una copia del texto en un tamaño diferente.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "obtener la primera letra";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "obtener la letra # del final";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "obtener la letra #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "obtener la última letra";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "obtener letra aleatoria";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "en el texto %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Devuelve la letra en la posición especificada.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "contar %1 en %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Cuantas veces aparece un texto dentro de otro texto.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Agregar un elemento al texto.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "unir";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Agregar, eliminar o reordenar las secciones para reconfigurar este bloque de texto.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "hasta la letra # del final";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "hasta la letra #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "hasta la última letra";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "en el texto";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "obtener subcadena desde la primera letra";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "obtener subcadena desde la letra # del final";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "obtener subcadena desde la letra #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Devuelve una porción determinada del texto.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "encontrar la primera aparición del texto";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "encontrar la última aparición del texto";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "en el texto %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Devuelve el índice de la primera/última aparición del primer texto en el segundo texto. Devuelve %1 si el texto no se encuentra.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 está vacío";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Devuelve verdadero si el texto proporcionado está vacío.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "crear texto con";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Crear un fragmento de texto al unir cualquier número de elementos.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "longitud de %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Devuelve el número de letras (espacios incluidos) del texto proporcionado.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "imprimir %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Imprimir el texto, número u otro valor especificado.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Solicitar al usuario un número.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Solicitar al usuario un texto.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "solicitar número con el mensaje";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "solicitar texto con el mensaje";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "reemplazar %1 con %2 en %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Reemplazar todas las veces que un texto dentro de otro texto.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "invertir %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Invierte el orden de los caracteres en el texto.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://es.wikipedia.org/wiki/Cadena_de_caracteres";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Una letra, palabra o línea de texto.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "quitar espacios de ambos lados de";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "quitar espacios iniciales de";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "quitar espacios finales de";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Devuelve una copia del texto sin los espacios de uno o ambos extremos.";
-Blockly.Msg["TODAY"] = "Hoy";
-Blockly.Msg["UNDO"] = "Deshacer";
-Blockly.Msg["UNNAMED_KEY"] = "Sin nombre";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "elemento";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Crear 'establecer %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Devuelve el valor de esta variable.";
-Blockly.Msg["VARIABLES_SET"] = "establecer %1 a %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Crear 'obtener %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Establece esta variable para que sea igual a la entrada.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Ya existe una variable llamada '%1'.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Ya existe una variable nombrada '%1' para otra variable del tipo: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Espacio de trabajo de Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Di algo…";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/et.js b/msg/js/et.js
deleted file mode 100644
index 9ba0105c332..00000000000
--- a/msg/js/et.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Lisa kommentaar";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Muutujat '%1' ei saa kustutada, sest see on osa funktsiooni '%2' määratlusest";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Muuda väärtust:";
-Blockly.Msg["CLEAN_UP"] = "Korista plokid kokku";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Kokkuvajunud plokid sisaldavad hoiatusi.";
-Blockly.Msg["COLLAPSE_ALL"] = "Tõmba plokid kokku";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Tõmba plokk kokku";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "1. värvist";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "2. värvist";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "suhtega";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "segu";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Segab kaks värvi määratud suhtega (0.0 - 1.0) kokku.";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Valitud värv paletist.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "juhuslik värv";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Juhuslikult valitud värv.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "sinisest";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "rohelisest";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "punasest";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "segu";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Tekitab värvi määratud hulgast punasest, rohelisest ja sinisest. Kõik väärtused peavad olema 0 ja 100 vahel.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "välju kordusest";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "katkesta see kordus ja liigu järgmisele";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Väljub kordusest ja liigub edasi korduse järel oleva koodi käivitamisele.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Katkestab korduses oleva koodi käivitamise ja käivitab järgmise korduse.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Hoiatus: Seda plokki saab kasutada ainult korduse sees.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "iga elemendiga %1 loendis %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Iga elemendiga loendis anna muutujale '%1' elemendi väärtus ja kõivita plokis olevad käsud.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "loendus muutujaga %1 alates %2 kuni %3, %4 kaupa";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Annab muutujale '%1' väärtused ühest numbrist teiseni, muutes seda intervalli kaupa ja käivitab igal muudatusel ploki sees oleva koodi.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Lisab „kui“ plokile tingimuse.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Lisab „kui“ plokile lõpliku tingimuseta koodiploki.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Selle „kui“ ploki muutmine sektsioonide lisamise, eemaldamise ja järjestamisega.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "vastasel juhul";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "vastasel juhul, kui";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "kui";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Kui avaldis on tõene, käivita ploki sees olevad käsud.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Kui avaldis on tõene, käivita käsud esimesest plokist. Vastasel juhul käivita käsud teisest plokist.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Kui esimene avaldis on tõene, käivita käsud esimesest plokist. Vastasel juhul, kui teine avaldis on tõene, käivita käsud teisest plokist.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Kui esimene avaldis on tõene, käivita käsud esimesest plokist. Vastasel juhul, kui teine avaldis on tõene, käivita käsud teisest plokist. Kui ükski avaldistest pole tõene, käivita käsud viimasest plokist.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "käivita";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 korda";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Plokis olevate käskude käivitamine määratud arv kordi.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "seni kuni pole";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "seni kuni on";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Plokis olevaid käske korratakse seni kui avaldis pole tõene.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Plokis olevaid käske korratakse seni kui avaldis on tõene.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Kas kustutada kõik %1 plokki?";
-Blockly.Msg["DELETE_BLOCK"] = "Kustuta plokk";
-Blockly.Msg["DELETE_VARIABLE"] = "Kustuta muutuja '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Kas kustutada %1 kohas kasutatav muutuja '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Kustuta %1 plokki";
-Blockly.Msg["DISABLE_BLOCK"] = "Keela ploki kasutamine";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Tekita duplikaat";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Dubleeri kommentaar";
-Blockly.Msg["ENABLE_BLOCK"] = "Luba ploki kasutamine";
-Blockly.Msg["EXPAND_ALL"] = "Laota plokid laiali";
-Blockly.Msg["EXPAND_BLOCK"] = "Laota plokk laiali";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Sisendid ploki taga";
-Blockly.Msg["HELP"] = "Abi";
-Blockly.Msg["INLINE_INPUTS"] = "Sisendid ploki sees";
-Blockly.Msg["IOS_CANCEL"] = "Tühista";
-Blockly.Msg["IOS_ERROR"] = "Viga";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Lisa sisend";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Sellel funktsioonil on dubleerivad sisendid.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "SISEND";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Lisa";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Lisa muutuja";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Kustuta";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Tühja muutuja nime ei saa kasutada.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Nimeta ümber";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Muutuja nimi";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "tühi loend";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Tagastab loendi, mille pikkus on 0 ja milles pole ühtegi elementi.";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "loend";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Loendiploki elementide lisamine, eemaldamine või järjestuse muutmine.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "uus loend";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Elemendi lisamine loendisse.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Tekitab mistahes arvust elementidest loendi.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "esimene element";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "element # (lõpust)";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "element #";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "võetud";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "võetud ja eemaldatud";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "viimane element";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "juhuslik element";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "eemalda";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Tagastab loendi esimese elemendi.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Tagastab loendis määratud asukohal oleva elemendi.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Tagastab loendi viimase elemendi.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Tagastab loendi juhusliku elemendi.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Tagastab ja eemaldab loendist esimese elemendi.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Tagastab ja eemaldab loendist määratud asukohal oleva elemendi.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Tagastab ja eemaldab loendist viimase elemendi.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Tagastab ja eemaldab loendist juhusliku elemendi.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Eemaldab loendist esimese elemendi.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Eemaldab loendist määratud asukohal oleva elemendi.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Eemaldab loendist viimase elemendi.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Eemaldab loendist juhusliku elemendi.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "elemendini # (lõpust)";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "elemendini #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "lõpuni";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "alamloend algusest";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "alamloend elemendist # (lõpust)";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "alamloend elemendist #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Tekitab loendi määratud osast koopia.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "Viimane element on %1.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "Esimene element on %1.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "esimene leitud";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "viimase leitud";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Tagastab esimese/viimase loendist leitud objekti asukoha (objekti järjekorranumbri loendis). Kui objekti ei leita, tagastab %1.";
-Blockly.Msg["LISTS_INLIST"] = "loendis";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 on tühi";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Tagastab „tõene“ kui loend on tühi.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1 pikkus";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Tagastab loendi pikkuse.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "loend pikkusega %2 elemendist %1";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Tekitab uue loendi, millesse lisatakse ühte elementi pikkusega määratud arv kordi.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Loendi koopia ümberpööramine.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = ", väärtus";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "lisa asukohale";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "asenda";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Lisab loendi algusesse uue elemendi.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Lisab määratud asukohale loendis uue elemendi.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Lisab loendi lõppu uue elemendi.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Lisab juhuslikule kohale loendis uue elemendi.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Asendab loendis esimese elemendi.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Asendab loendis määratud kohal oleva elemendi.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Asendab loendis viimase elemendi.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Asendab loendis juhusliku elemendi.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "kasvavalt";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "kahanevalt";
-Blockly.Msg["LISTS_SORT_TITLE"] = "%1 %2 sorteeritud %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Loendi koopia sorteerimine.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "tähestiku järgi (tähesuurust eirates)";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "arvväärtuste järgi";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "tähestiku järgi";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "loend, tekitatud tekstist";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "tekst, tekitatud loendist";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Ühendab tekstide loendis olevad tükid üheks tekstiks, asetades tükkide vahele eraldaja.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Tükeldab teksti eraldajade kohalt ja asetab tükid tekstide loendisse.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "eraldajaga";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "väär";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Tagastab tõeväärtuse – kas „tõene“ või „väär“.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "tõene";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Tagastab „tõene“, kui avaldiste väärtused on võrdsed.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Tagastab „tõene“, kui esimese avaldise väärtus on suurem kui teise väärtus.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Tagastab „tõene“, kui esimese avaldise väärtus on suurem või võrdne teise väärtusega.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Tagastab „tõene“, kui esimese avaldise väärtus on väiksem kui teise väärtus.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Tagastab „tõene“, kui esimese avaldise väärtus on väiksem või võrdne teise väärtusega.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Tagastab „tõene“, kui avaldiste väärtused pole võrdsed.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "pole %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Tagastab „tõene“, kui avaldis on väär. Tagastab „väär“, kui avaldis on tõene.";
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Tagastab nulli.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "ja";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "või";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Tagastab „tõene“, kui mõlemad avaldised on tõesed.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Tagastab „tõene“, kui vähemalt üks avaldistest on tõene.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "tingimus";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "kui väär";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "kui tõene";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Kui tingimuse väärtus on tõene, tagastab „kui tõene“ väärtuse, vastasel juhul „kui väär“ väärtuse.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://et.wikipedia.org/wiki/Aritmeetika";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Tagastab kahe arvu summa.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Tagastab kahe arvu jagatise.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Tagastab kahe arvu vahe.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Tagastab kahe arvu korrutise.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Tagastab esimese arvu teise arvu astmes.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2(X:%1, Y:%2)";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Tagastab punkti (X, Y) arkustangentsit kraadides vahemikus -180 kuni 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "muuda %1 %2 võrra";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Lisab arvu muutujale '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Tagastab ühe konstantidest: π (3,141…), e (2,718…), φ (1.618…), √2) (1,414…), √½ (0,707…), või ∞ (infinity).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "%1 piirang %2 ja %3 vahele";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Piirab arvu väärtuse toodud piiridesse (piirarvud kaasa arvatud).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "jagub arvuga";
-Blockly.Msg["MATH_IS_EVEN"] = "on paarisarv";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "on negatiivne arv";
-Blockly.Msg["MATH_IS_ODD"] = "on paaritu arv";
-Blockly.Msg["MATH_IS_POSITIVE"] = "on positiivne arv";
-Blockly.Msg["MATH_IS_PRIME"] = "on algarv";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Kontrollib kas arv on paarisarv, paaritu arv, algarv, täisarv, positiivne, negatiivne või jagub kindla arvuga. Tagastab „tõene“ või „väär“.";
-Blockly.Msg["MATH_IS_WHOLE"] = "on täisarv";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "%1 ÷ %2 jääk";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Tagastab esimese numbri teisega jagamisel tekkiva jäägi.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://et.wikipedia.org/wiki/Arv";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Arv.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "loendi keskmine";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "loendi maksimum";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "loendi mediaan";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "loendi miinimum";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "loendi moodid";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "juhuslik element loendist";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "loendi standardhälve";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "loendi summa";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Tagastab loendis olevate arvväärtuste aritmeetilise keskmise.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Tagastab suurima loendis oleva arvu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Tagastab väikseima loendis oleva arvu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Tagastab loendi kõige sagedamini esinevate loendi liikmetega.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Tagastab juhusliku elemendi loendist.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Tagastab loendi standardhälbe.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Tagastab kõigi loendis olevate arvude summa.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "juhuslik murdosa";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Tagastab juhusliku murdosa 0.0 (kaasa arvatud) and 1.0 (välja arvatud) vahel.";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "juhuslik täisarv %1 ja %2 vahel";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Tagastab juhusliku täisarvu toodud piiride vahel (piirarvud kaasa arvatud).";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "ümarda";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "ümarda alla";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "ümarda üles";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Ümardab arvu üles või alla.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://et.wikipedia.org/wiki/Ruutjuur";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absoluutväärtus";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "ruutjuur";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Tagastab arvu absoluutväärtuse.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Tagasta e arvu astmes.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Tagastab arvu naturaallogaritmi.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Tagastab arvu kümnendlogaritm.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Tagastab arvu vastandväärtuse.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Tagastab 10 arvu astmes.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Tagastab arvu ruutjuure.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://et.wikipedia.org/wiki/Trigonomeetrilised_funktsioonid";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Tagastab arvu arkuskoosiinuse.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Tagastab arvu arkussiinuse.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Tagastab arvu arkustangensi.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Tagastab arvu (kraadid) kosiinuse.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Tagastab arvu (kraadid) siinuse.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Tagastab arvu (kraadid) tangensi.";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Loo muutuja värvina...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Loo muutuja arvuna...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Loo muutuja sõnena...";
-Blockly.Msg["NEW_VARIABLE"] = "Uus muutuja ...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Uue muutuja nimi:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Uue muutuja tüüp:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "kood plokis";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "sisenditega:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://et.wikipedia.org/wiki/Alamprogramm";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Käivitab kasutaja defineeritud funktsiooni '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://et.wikipedia.org/wiki/Alamprogramm";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "sisenditega:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Tekita '%1' plokk";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Funktsiooni kirjeldus ...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "teeme midagi";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "funktsioon";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Tekitab funktsiooni, mis ei tagasta midagi.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "tagasta";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Tekitab funktsiooni, mis tagastab midagi.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Hoiatus: Sel funktsioonil on mitu sama nimega sisendit.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Tõsta funktsiooni definitsioon esile";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Kui väärtus on tõene, tagastatakse teine väärtus.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Hoiatus: Seda plokki saab kasutada ainult funktsiooni definitsioonis.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "sisend nimega:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Lisab funktsioonile sisendi.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "sisendid";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Funktsiooni sisendite lisamine, eemaldamine või järjestuse muutmine.";
-Blockly.Msg["REDO"] = "Tee uuesti";
-Blockly.Msg["REMOVE_COMMENT"] = "Eemalda kommentaar";
-Blockly.Msg["RENAME_VARIABLE"] = "Nimeta muutuja ümber ...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Muutuja „%1“ uus nimi:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "lisa muutuja %1 lõppu tekst %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Lisab teksti muutuja „%1“ väärtuse lõppu.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "väikeste tähtedega";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "Suurte Esitähtedega";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "SUURTE TÄHTEDEGA";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Tagastab muudetud tähesuurusega teksti koopia.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "esimene sümbol";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "lõpust sümbol #";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "sümbol #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "viimane sümbol";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "juhuslik sümbol";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "tekstis %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Tagastab tekstis määratud asukohal oleva sümboli.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "loenda %1 %2-ses";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Loenda, mitu korda mingi tekst esineb teise teksti sees.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Objekti lisamine tekstile.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "ühenda";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Tekstiploki muutmine sektsioonide lisamise, eemaldamise või järjestuse muutmisega.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "kuni (lõpust) sümbolini #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "kuni sümbolini #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "kuni viimase sümbolini";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "tekstist";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "alates esimesest sümbolist";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "alates (lõpust) sümbolist #";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "alates sümbolist #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Tagastab määratud tüki tekstist.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "esimese leitud tekstitüki";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "viimase leitud tekstitüki";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "tekstist %1 %2 %3 asukoht";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Tagastab esimesest tekstist esimese/viimase leitud teise teksti asukoha (indeksi). Kui teksti ei leita, tagastab %1.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 on tühi";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Tagastab „tõene“, kui tekstis pole ühtegi sümbolit.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "tekita tekst";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Tekitab teksti ühendades mistahes arvu elemente.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1 pikkus";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Tagastab sümbolite aru (ka tühikud) toodud tekstis.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "trüki %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Trükib määratud teksti, numbri või mõne muu objekti väärtuse.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Küsib kasutajalt teadet näidates mingit arvu.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Küsib kasutajalt teadet näidates mingit teksti.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "kasutajalt küsitud arv teatega";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "kasutajalt küsitud tekst teatega";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "asenda %1 %2-ga %3-s";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Asenda mõne teksti esinemine mõnes muus tekstis.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "ümberpöördud %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Pöörab tekstis tähemärkide järjestuse ümber.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Täht, sõna või rida teksti.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "mõlemalt poolt eemaldatud tühikutega";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "algusest eemaldatud tühikutega";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "lõpust eemaldatud tühikutega";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Tagastab koopia tekstist, millel on tühikud ühelt või mõlemalt poolt eemaldatud.";
-Blockly.Msg["TODAY"] = "Täna";
-Blockly.Msg["UNDO"] = "Võta tagasi";
-Blockly.Msg["UNNAMED_KEY"] = "nimetu";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "objekt";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Tekita 'määra „%1“ väärtuseks' plokk";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Tagastab selle muutuja väärtuse.";
-Blockly.Msg["VARIABLES_SET"] = "määra %1 väärtuseks %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Tekita '„%1“ väärtus' plokk";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Määrab selle muutuja väärtuse võrdseks sisendi väärtusega.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "'%1'-nimeline muutuja on juba olemas.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Muutuja nimega '%1' juba eksisteerib teise tüübina: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly tööruum";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Ütle midagi...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/eu.js b/msg/js/eu.js
deleted file mode 100644
index a56dea913a0..00000000000
--- a/msg/js/eu.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Iruzkina gehitu";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Ezin da '%1' aldagaia ezabatu '%2' funtzioaren definizioaren zati delako.";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Aldatu balioa:";
-Blockly.Msg["CLEAN_UP"] = "Blokeak garbitu";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Blokeak kolapsatu";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Blokea kolapsatu";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "1 Kolorea";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "2 Kolorea";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "Ratioa";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "Nahastu";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Bi koloreko nahasketak erlazio jakin batekin nahasten ditu (0.0-1.0)";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://eu.wikipedia.org/wiki/Kolore";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Hautatu kolore bat paletatik.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "ausazko kolorea";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Aukeratu ausaz kolore bat.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "urdina";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "berdea";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "gorria";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "colour with";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Sortu kolorea zehaztutako gorriz, berdearekin eta urdinekin. Balio guztiak 0 eta 100 artean egon behar dira.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "begizta eten";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "jarraitu hurrengo begizta iterazioarekin";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Agertzen den begiztatik ihes egin.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warning: This block may only be used within a loop.";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "%1 elementu bakoitzeko %2 zerrendan";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Zerrendako elementu bakoitzarentzat, ezarri %1 aldagaia elementura, eta egin adierazpen batzuk.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "%1 zenbatu %2-tik %3-ra %4-ra";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "%1 aldagaiak hasierako zenbakiaren eta amaierako zenbakirako balioak hartzen ditu, zehaztutako tartea zenbatzen du eta zehaztutako blokeak egin.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Add a condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Gehitu, ezabatu, ala berrantolatu aukeraketak \"ba\" bloke hau berrezartzeko.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "bestela";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "bestela baldin eta";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "baldin eta";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Balorea egia den bitartean, egin adierazpen batzuk.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Balorea egia bada, orduan egin ezazu lehenengo adierazpen blokea. Bestela, egin ezazu bigarren adierazpen blokea.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Lehenengo balorea egia bada, orduan egin ezazu lehenengo adierazpen blokea. Bestela, bigarren balorea egia bada, egin ezazu bigarren adierazpen blokea.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Lehenengo balorea egia bada, orduan egin ezazu lehenengo adierazpen blokea. Bestela, bigarren balorea egia bada, egin ezazu bigarren adierazpen blokea. Baloreetako bat ere ez bada egia, egin ezazu adierazpenen azkeneko blokea.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://eu.wikipedia.org/wiki/For_begizta";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "egin";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "errepikatu %1 aldiz";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Adierazpen batzuk hainbat aldiz egin.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "arte errepikatu";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "bitartean errepikatu";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Balorea gezurra den bitartean, egin adierazpen batzuk.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Balorea egia den bitartean, egin adierazpen batzuk.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Ezabatu %1 blokeak?";
-Blockly.Msg["DELETE_BLOCK"] = "Ezabatu blokea";
-Blockly.Msg["DELETE_VARIABLE"] = "%1 parametro izena ezabatu.";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Ezabatu %2 aldagaiaren %1 erabilerak?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Ezabatu %1 bloke";
-Blockly.Msg["DISABLE_BLOCK"] = "Ezgaitu blokea";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Bikoiztu";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Iruzkina bikoiztu";
-Blockly.Msg["ENABLE_BLOCK"] = "Gaitu blokea";
-Blockly.Msg["EXPAND_ALL"] = "Blokeak Hedatu";
-Blockly.Msg["EXPAND_BLOCK"] = "Blokea Hedatu";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Kanpoko sarrerak";
-Blockly.Msg["HELP"] = "Laguntza";
-Blockly.Msg["INLINE_INPUTS"] = "Inpuntak Linean";
-Blockly.Msg["IOS_CANCEL"] = "Utzi";
-Blockly.Msg["IOS_ERROR"] = "Errorea";
-Blockly.Msg["IOS_OK"] = "Ados";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Gehitu sarrera";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Adierazpenak baimendu";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Funtzio honek errepikatutako sarrerak ditu.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "SARRERAK";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Gehitu";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Gehitu aldagaia";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Ezabatu";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Ezin duzu aldagaiaren izen huts bat erabili.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Izena aldatu";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Aldagaiaren izena";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "sortu zerrenda hutsa";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Zerrenda bat itzultzen du, 0 luzera duena, daturik gabekoa";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "zerrenda";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "Zerrenda sortu hurrengoarekin";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "lehena";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# from end";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "lortu";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "lortu eta kendu";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "azkena";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "ausazkoa";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "kendu";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Lehenengo artikulua zerrendara bueltatzen du.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Artikulua zerrendako posizio zehatz batera bueltatzen du.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Azken artikulua zerrendara bueltatzen du.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Artikulu aleatorioa zerrendara bueltatzen du.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Lehenengo artikulua zerrendako posizio zehatz batera kentzen eta bueltatzen du.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Artikulua zerrendako posizio zehatz batera kentzen eta bueltatzen du.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Zerrendako azken artikulua kentzen eta bueltatzen du.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Artikulu aleatorio bat zerrendatik kentzen eta bueltatzen du.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Lehenengo artikulua zerrendatik kentzen du.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Artikulua zerrendako posizio zehatz batetik kentzen du.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Azken artikulua zerrendatik kentzen du.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Artikulu aleatorioa zerrendatik kentzen du.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 azken artikulua da.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 lehenengo artikulua da.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "zerrendan";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 hutsik dago";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "egia itzultzen du zerrenda hutsik badago.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "zerrendaren luzera";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "zerrendaren luzera itzultzen du";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "honela";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insert at";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "ezarri";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "goranzkoa";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "beheranzkoa";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "Zenbakizkoa";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "Alfabetikoki";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "Testuatik lista sortu";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "listatik testua sortu";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "gezurra";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Returns either true or false.";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "egia";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://eu.wikipedia.org/wiki/Desberdintza";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Return true if both inputs equal each other.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ez %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
-Blockly.Msg["LOGIC_NULL"] = "nulu";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returns null.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_AND"] = "eta";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "edo";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "Froga";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "gezurra bada";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "egia bada";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://eu.wikipedia.org/wiki/Aritmetika";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Bi zenbakien batura ematen du.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Bi zenbakien zatidura ematen du.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Bi zenbakien kendura ematen du.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Bi zenbakien biderkadura ematen du.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "aldatu %1 %2(e)ra";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Gehitu zenbakia '%1' aldagaiari.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Konstante ohikoenetako bat itzultzen du: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), edo ∞ (infinitua).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "honakoaz zatigarria da";
-Blockly.Msg["MATH_IS_EVEN"] = "bikoitia da";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "negatiboa da";
-Blockly.Msg["MATH_IS_ODD"] = "bakoitia da";
-Blockly.Msg["MATH_IS_POSITIVE"] = "positiboa da";
-Blockly.Msg["MATH_IS_PRIME"] = "zenbaki lehena da";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "zenbaki osoa da";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "%1 ÷ %2(r)en oroigarria";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://eu.wikipedia.org/wiki/Zenbaki";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Zenbaki bat.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "zerrendaren batazbestekoa";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "zerrendako maximoa";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "zerrendako mediana";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "zerrendako minimoa";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "zerrendako modak";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "zerrendako artikulu aleatorioa";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "zerrendako deribazio estandarra";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "zerrendaren batura";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Zerrendako zenbakizko balioen batazbestekoa (aritmetikoa) itzultzen du.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Eman zerrendako zenbakirik handiena.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Eman zerrendako zenbaki media.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Eman zerrendako zenbakirik txikiena.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Bueltatu artikulurik ohikoenetarikoen zerrenda.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Itzuli zerrendako elementu aleatorioa.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Eman zerrendako zenbaki guztien batura.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "zatiki aleatorioa";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://eu.wikipedia.org/wiki/Biribiltze";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "biribildu";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "gutxiagoz biribildu";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "gehiagoz biribildu";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Zenbaki bat gehiagoz edo gutxiagoz biribildu.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://eu.wikipedia.org/wiki/Erro_karratu";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolutua";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "erro karratua";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Zenbaki baten balio absolutua ematen du.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Zenbaki baten logaritmo naturala ematen du.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Zenbaki baten erro karratua ematen du.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://eu.wikipedia.org/wiki/Funtzio_trigonometriko";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Zenbaki baten arku kosinua ematen du.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Zenbaki baten arku sinua ematen du.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Zenbaki baten arku tangentea ematen du.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Kolore aldagaia sortu...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Zenbaki aldagaia sortu...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Kate aldakorra sortu...";
-Blockly.Msg["NEW_VARIABLE"] = "Aldagaia sortu...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Aldagai berriaren izena:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Aldagai mota berria:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "honekin";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Azpierrutina";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Azpierrutina";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "honekin";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "'%1' sortu";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "egin zerbait";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "honi";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "itzuli";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Abisua: Funtzio honek parametro bikoiztuak dauzka.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Balioa egiazkoa bada, orduan itzuli bigarren baliora.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "sarreraren izena:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "sarrerak";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "Berregin";
-Blockly.Msg["REMOVE_COMMENT"] = "Iruzkina ezabatu";
-Blockly.Msg["RENAME_VARIABLE"] = "Aldatu aldagaiaren izena...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Aldatu '%1' aldagai guztien izenak eta izen hau eman:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "%1tik testu atxikita %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "hartu lehenengo letra";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "hartu # letra bukaeratik";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "hartu # letra";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "hartu azkenengo letra";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "letra aleatorioa lortu";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "testuan %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Gehitu artikulu bat testura.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "elkartu";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Gehitu, ezabatu, ala berrantolatu aukeraketak testu bloke hau berrezartzeko.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "testuan";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "bilatu testuaren lehenengo agerpena";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "bilatu testuaren azkenengo agerpena";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "testuan %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 hutsik dago";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "Testua sortu hurrengoarekin";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1(r)en luzeera";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "inprimatu %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "zehaztutako testua, zenbakia edo bestelako balioa inprimatzen du.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "%1(e)ri buelta eman";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Letra bat, hitza edo testuko lerroa.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "Gaur";
-Blockly.Msg["UNDO"] = "Desegin";
-Blockly.Msg["UNNAMED_KEY"] = "izenik gabe";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "elementua";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "%1 izeneko aldagaia dagoeneko existitzen da.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "%1 izeneko aldagaia dagoeneko existitzen da %2 motako beste aldagai batekin.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Esan zerbait...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/fa.js b/msg/js/fa.js
deleted file mode 100644
index 76672cc30ee..00000000000
--- a/msg/js/fa.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "افزودن نظر";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "متغیر '%1' را نمی‌توان پاک کرد، زیرا جزیی از تعریف تابع '%2' می‌باشد";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "تغییر مقدار:";
-Blockly.Msg["CLEAN_UP"] = "تمیز کردن بلوک‌ها";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "فروپاشی بلوک‌ها";
-Blockly.Msg["COLLAPSE_BLOCK"] = "فروپاشی بلوک";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "رنگ ۱";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "رنگ ۲";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "نسبت";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "مخلوط";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "دو رنگ را با نسبت مشخص‌شده مخلوط می‌کند (۰٫۰ - ۱٫۰)";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B1%D9%86%DA%AF";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "انتخاب یک رنگ از تخته‌رنگ.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "رنگ تصادفی";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "انتخاب یک رنگ به شکل تصادفی.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "آبی";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "سبز";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "قرمز";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "رنگ با";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "ساخت یک رنگ با مقدار مشخص‌شده‌ای از قرمز، سبز و آبی. همهٔ مقادیر باید بین ۰ تا ۱۰۰ باشند.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "خروج از حلقه";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "ادامه با تکرار بعدی حلقه";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "شکستن حلقهٔ شامل.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "پریدن از بقیهٔ حلقه و ادامه با تکرار بعدی.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "اخطار: این بلوک ممکن است فقط داخل یک حلقه استفاده شود.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "برای هر مورد %1 در فهرست %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "برای هر مورد در این فهرست، تنظیم متغیر «%1» به مورد و انجام تعدادی عبارت.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "با تعداد %1 از %2 به %3 با گام‌های %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "متغیر %1 را در مقادیر شروع‌شده از عدد انتهای  به عدد انتهایی را دارد، با فواصل مشخص‌شده می‌شمارد و این بلوک مشخص‌شده را انجام می‌دهد.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "افزودن یک شرط به بلوک اگر.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "اضافه کردن نهایی، گرفتن همهٔ شرایط به بلوک اگر.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "افزودن، حذف یا بازمرتب‌سازی قسمت‌ها برای پیکربندی دوبارهٔ این بلوک اگر.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "درغیر اینصورت";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "درغیر اینصورت اگر";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "اگر";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "اگر یک مقدار صحیح است، سپس چند عبارت را انجام بده.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "اگر یک مقدار صحیح است، اول بلوک اول عبارات را انجام بده.  در غیر این صورت بلوک دوم عبارات انجام بده.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "اگر مقدار اول صحیح بود، از آن بلوک اول عبارات را انجام بده.  در غیر این صورت، اگر مقدار دوم صحیح است، بلوک دوم عبارات را انجام بده.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "اگر مقدار اول درست است، بلوک اول عبارات را انجام بده.  در غیر این صورت، اگر مقدار دوم درست باشد بلوک دوم عبارات را انجام بده.  اگر هیچ از مقادیر درست نبود، آخرین بلوک عبارات را انجام بده.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%AD%D9%84%D9%82%D9%87_%D9%81%D9%88%D8%B1";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "انجام";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 بار تکرار";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "انجام چند عبارت چندین بار.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "تکرار تا زمانی که";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "تکرار در حالی که";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "تا زمانی که یک مقدار ناصحیح است، چند عبارت را انجام بده.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "تا زمانی که یک مقدار صحیح است، چند عبارت را انجام بده.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "حذف همهٔ بلاک‌های %1؟";
-Blockly.Msg["DELETE_BLOCK"] = "حذف بلوک";
-Blockly.Msg["DELETE_VARIABLE"] = "متغیر '%1'را پاک کنید";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "تعداد %1 استفاده از متغیر '%2' پاک شود؟";
-Blockly.Msg["DELETE_X_BLOCKS"] = "حذف بلوک‌های %1";
-Blockly.Msg["DISABLE_BLOCK"] = "غیرفعال‌سازی بلوک";
-Blockly.Msg["DUPLICATE_BLOCK"] = "تکراری";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "فعال‌سازی بلوک";
-Blockly.Msg["EXPAND_ALL"] = "گسترش بلوک‌ها";
-Blockly.Msg["EXPAND_BLOCK"] = "گسترش بلوک";
-Blockly.Msg["EXTERNAL_INPUTS"] = "ورودی‌های خارجی";
-Blockly.Msg["HELP"] = "راهنما";
-Blockly.Msg["INLINE_INPUTS"] = "ورودی‌های درون خطی";
-Blockly.Msg["IOS_CANCEL"] = "لغو";
-Blockly.Msg["IOS_ERROR"] = "خطا";
-Blockly.Msg["IOS_OK"] = "تأیید";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ افزودن ورودی";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "اجازه اظهارات";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "این تابع دارای ورودی‌های تکراری است.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ورودی‌ها";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "افزودن";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ افزودن متغیر";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "حذف";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "نام متغیر نمی‌تواند خالی باشد";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "تغییر نام";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "نام متغیر";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "ایجاد فهرست خالی";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "فهرستی با طول صفر شامل هیچ رکورد داده‌ای بر می‌گرداند.";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "فهرست";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "اضافه کردن، حذف کردن یا ترتیب‌سازی مجدد بخش‌ها این بلوک فهرستی.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "ایجاد فهرست با";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "اضافه کردن یک مورد به فهرست.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "فهرستی از هر عددی از موارد می‌سازد.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "اولین";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# از انتها";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "گرفتن";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "گرفتن و حذف‌کردن";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "آخرین";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "تصادفی";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "حذف‌کردن";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "اولین مورد یک فهرست را بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "موردی در محل مشخص‌شده بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "آخرین مورد در یک فهرست را بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "یک مورد تصادفی در یک فهرست بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "اولین مورد مشخص‌شده در فهرست را حذف و بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "مورد در محل مشخص‌شده در فهرست را حذف و بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "آخرین مورد مشخص‌شده در فهرست را حذف و بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "مورد تصادفی‌ای را در فهرست حذف و بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "اولین مورد را در یک فهرست حذف می‌کند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "مورد مشخص‌شده در موقعیت مشخص در یک فهرست را حذف و بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "آخرین مورد را در یک فهرست حذف می‌کند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "یک مورد تصادفی را یک فهرست حذف می‌کند.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "به # از انتها";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "به #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "به آخرین";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "گرفتن زیرمجموعه‌ای از ابتدا";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "گرفتن زیرمجموعه‌ای از # از انتها";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "گرفتن زیرمجموعه‌ای از #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "کپی از قسمت مشخص‌شدهٔ لیست درست می‌کند.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 آخرین مورد است.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 اولین مورد است.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "یافتن اولین رخ‌داد مورد";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "یافتن آخرین رخ‌داد مورد";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "شاخصی از اولین/آخرین رخ‌داد مورد در فهرست را بر می‌گرداند. %1 بر می‌گرداند اگر آیتم موجود نبود.";
-Blockly.Msg["LISTS_INLIST"] = "در فهرست";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 خالی است";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "اگر فهرست خالی است مقدار صجیج بر می‌گرداند.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "طول %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "طول یک فهرست را برمی‌گرداند.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "فهرستی با %1 تکرارشده به اندازهٔ %2 می‌سازد";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "فهرستی شامل مقادیر داده‌شدهٔ تکرار شده عدد مشخص‌شده می‌سازد.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "معکوس %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "یک کپی از لیست را معکوس کنید.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "به عنوان";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "درج در";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "اعمال";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "موردی به ته فهرست اضافه می‌کند.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "موردی در موقعیت مشخص‌شده در یک فهرست اضافه می‌کند.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "موردی به ته فهرست الحاق می‌کند.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "مورد را به صورت تصادفی در یک فهرست می‌افزاید.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "اولین مورد در یک فهرست را تعیین می‌کند.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "مورد مشخص‌شده در یک فهرست را قرار می‌دهد.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "آخرین مورد در یک فهرست را تعیین می‌کند.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "یک مورد تصادفی در یک فهرست را تعیین می‌کند.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "صعودی";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "نزولی";
-Blockly.Msg["LISTS_SORT_TITLE"] = "مرتب‌سازی%1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "یک کپی از لیست را مرتب کنید.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "حروفی ، رد کردن مورد";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "عددی";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "حروفی ، الفبایی";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "ایجاد فهرست از متن";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "ایجاد متن از فهرست";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "چسباندن یک فهرست از متن‌ها و تشکیل یک متن که با یک جداکننده جدا شده‌اند";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "شکستن متن به فهرستی از متن‌ها، شکستن در محل جداکننده";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "همراه جداساز";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ناصحیح";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "بازگرداندن یکی از صحیح یا ناصحیح.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "صحیح";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://fa.wikipedia.org/wiki/%D9%86%D8%A7%D8%A8%D8%B1%D8%A7%D8%A8%D8%B1%DB%8C";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "بازگشت صحیح اگر هر دو ورودی با یکدیگر برابر باشد.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "بازگرداندن صحیح اگر ورودی اول بزرگتر از ورودی دوم باشد.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "بازگرداندن صحیح اگر ورودی اول بزرگتر یا مساوی یا ورودی دوم باشد.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "بازگرداندن صحیح اگر ورودی اول کوچکتر از ورودی دوم باشد.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "بازگرداندن صحیح اگر ورودی اول کوچکتر یا مساوی با ورودی دوم باشد.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "برگرداندن صحیح اگر هر دو ورودی با یکدیگر برابر نباشند.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "نه %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "صجیج باز می‌گرداند اگر ورودی نا صحیح باشند. ناصحیح بازمی‌گرداند اگر ورودی صحیح باشد.";
-Blockly.Msg["LOGIC_NULL"] = "تهی";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "تهی بازمی‌گرداند.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "و";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "یا";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "بازگرداندن صحیح اگر هر دو ورودی صحیح باشد.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "بازگرداندن صحیح اگر یکی از دو ورودی صحیح باشد.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "آزمایش";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "اگر ناصحیح";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "اگر صحیح";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "بررسی وضعیت در «آزمایش». اگر وضعیت صحیح باشد، مقدار «اگر صحیح» را بر می‌گرداند در غیر اینصورت مقدار «اگر ناصحیح» را.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%AD%D8%B3%D8%A7%D8%A8";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "بازگرداندن مقدار جمع دو عدد.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "بازگرداندن باقی‌ماندهٔ دو عدد.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "بازگرداندن تفاوت دو عدد.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "بازگرداندن حاصلضرب دو عدد.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "بازگرداندن اولین عددی که از توان عدد دوم حاصل شده باشد.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%A7%D8%B5%D8%B7%D9%84%D8%A7%D8%AD_%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87%E2%80%8C%D9%86%D9%88%DB%8C%D8%B3%DB%8C#.D8.A7.D9.81.D8.B2.D8.A7.DB.8C.D8.B4_.D8.B4.D9.85.D8.A7.D8.B1.D9.86.D8.AF.D9.87";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "تغییر %1 با %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "افزودن یک عدد به متغیر '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%AB%D8%A7%D8%A8%D8%AA_%D8%B1%DB%8C%D8%A7%D8%B6%DB%8C";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "یکی از مقادیر ثابت جهانی را برمی‌گرداند: π (۳٫۱۴۱…)، e (۲٫۷۱۸...)، φ (۱٫۶۱۸)، sqrt(۲) (۱٫۴۱۴)، sqrt(۱/۲) (۰٫۷۰۷...) و یا ∞ (بی‌نهایت).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "محدودکردن %1 پایین %2 بالا %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "محدودکردن یک عدد بین محدودیت‌های مشخص‌شده (بسته).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "تقسیم شده بر";
-Blockly.Msg["MATH_IS_EVEN"] = "زوج است";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "منفی است";
-Blockly.Msg["MATH_IS_ODD"] = "فرد است";
-Blockly.Msg["MATH_IS_POSITIVE"] = "مثبت است";
-Blockly.Msg["MATH_IS_PRIME"] = "عدد اول است";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "بررسی می‌کند که آیا یک عدد زوج، فرد، اول، کامل، مثبت، منفی یا بخش‌پذیر عدد خاصی باشد را بررسی می‌کند. درست یا نادرست باز می‌گرداند.";
-Blockly.Msg["MATH_IS_WHOLE"] = "کامل است";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B9%D9%85%D9%84%DB%8C%D8%A7%D8%AA_%D9%BE%DB%8C%D9%85%D8%A7%D9%86%D9%87";
-Blockly.Msg["MATH_MODULO_TITLE"] = "باقی‌ماندهٔ %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "باقی‌ماندهٔ تقسیم دو عدد را بر می‌گرداند.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B9%D8%AF%D8%AF";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "یک عدد.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "میانگین فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "بزرگ‌ترین عدد در فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "میانهٔ فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "کوچک‌ترین عدد در فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "مد فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "مورد تصادفی از فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "انحراف معیار فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "جمع فهرست";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "میانگین (میانگین ریاضی) مقادیر عددی فهرست را بر می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "بزرگ‌ترین عدد در فهرست را باز می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "میانهٔ عدد در فهرست را بر می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "کوچک‌ترین عدد در فهرست را باز می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "شایع‌ترین قلم(های) در فهرست را بر می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "موردی تصادفی از فهرست را بر می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "انحراف معیار فهرست را بر می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "جمع همهٔ عددهای فهرست را باز می‌گرداند.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%AA%D9%88%D9%84%DB%8C%D8%AF_%D8%A7%D8%B9%D8%AF%D8%A7%D8%AF_%D8%AA%D8%B5%D8%A7%D8%AF%D9%81%DB%8C";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "کسر تصادفی";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "بازگرداندن کسری تصادفی بین ۰٫۰ (بسته) تا ۱٫۰ (باز).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%AA%D9%88%D9%84%DB%8C%D8%AF_%D8%A7%D8%B9%D8%AF%D8%A7%D8%AF_%D8%AA%D8%B5%D8%A7%D8%AF%D9%81%DB%8C";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "عدد صحیح تصادفی بین %1 تا %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "یک عدد تصادفی بین دو مقدار مشخص‌شده به صورت بسته باز می‌گرداند.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B1%D9%88%DB%8C%D9%87_%28%D8%B9%D9%84%D9%88%D9%85_%D8%B1%D8%A7%DB%8C%D8%A7%D9%86%D9%87%29";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "گردکردن";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "گرد به پایین";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "گرد به بالا";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "گردکردن یک عدد به بالا یا پایین.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B1%DB%8C%D8%B4%D9%87_%D8%AF%D9%88%D9%85";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "مطلق";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "ریشهٔ دوم";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "قدر مطلق یک عدد را بازمی‌گرداند.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "بازگرداندن توان e یک عدد.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "لوگاریتم طبیعی یک عدد را باز می‌گرداند.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "بازگرداندن لگاریتم بر پایهٔ ۱۰ یک عدد.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "منفی‌شدهٔ یک عدد را باز می‌گرداند.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "بازگرداندن توان ۱۰ یک عدد.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "ریشهٔ دوم یک عدد را باز می‌گرداند.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%AA%D8%A7%D8%A8%D8%B9%E2%80%8C%D9%87%D8%A7%DB%8C_%D9%85%D8%AB%D9%84%D8%AB%D8%A7%D8%AA%DB%8C";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "بازگرداندن آرک‌کسینوس درجه (نه رادیان).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "بازگرداندن آرک‌سینوس درجه (نه رادیان).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "بازگرداندن آرک‌تانژانت درجه (نه رادیان).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "بازگرداندن کسینوس یک زاویه درجه (نه رادیان).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "بازگرداندن سینوس یک زاویه به درجه (نه رادیان).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "بازگرداندن تانژانت یک زاویه به درجه (نه رادیان).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "ساخت متغیر رنگ...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "ساخت متغیر عددی...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "ساخت متغیر رشته...";
-Blockly.Msg["NEW_VARIABLE"] = "ایجاد متغیر...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "نام متغیر تازه:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "نوع متغیر جدید:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "اجازه اظهارات";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "با:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B1%D9%88%DB%8C%D9%87_(%D8%B9%D9%84%D9%88%D9%85_%D8%B1%D8%A7%DB%8C%D8%A7%D9%86%D9%87)";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "اجرای تابع تعریف‌شده توسط کاربر «%1».";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B1%D9%88%DB%8C%D9%87_%28%D8%B9%D9%84%D9%88%D9%85_%D8%B1%D8%A7%DB%8C%D8%A7%D9%86%D9%87%29";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "اجرای تابع تعریف‌شده توسط کاربر «%1» و استفاده از خروجی آن.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "با:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "ساختن «%1»";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "توصیف این عملکرد...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "انجام چیزی";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "به";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "تابعی می‌سازد بدون هیچ خروجی.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "بازگشت";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "تابعی با یک خروجی می‌سازد.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "اخطار: این تابعی پارامتر تکراری دارد.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "برجسته‌سازی تعریف تابع";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "اگر یک مقدار صحیح است، مقدار دوم را برگردان.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "اخطار: این بلوک احتمالاً فقط داخل یک تابع استفاده می‌شود.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "نام ورودی:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "اضافه کردن ورودی به تابع.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "ورودی‌ها";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "افزودن، حذف یا دوباره مرتب‌کردن ورودی این تابع.";
-Blockly.Msg["REDO"] = "انجام دوباره";
-Blockly.Msg["REMOVE_COMMENT"] = "حذف نظر";
-Blockly.Msg["RENAME_VARIABLE"] = "تغییر نام متغیر...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "تغییر نام همهٔ متغیرهای «%1» به:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "به %1 الحاق متن %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "الحاق متنی به متغیر «%1».";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "به حروف کوچک";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "به حروف بزرگ عنوان";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "به حروف بزرگ";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "بازگرداندن کپی متن در حالتی متفاوت.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "گرفتن اولین حرف";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "گرفتن حرف # از آخر";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "گرفتن حرف #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "گرفتن آخرین حرف";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "گرفتن حرف تصادفی";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "در متن %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "حرفی در موقعیت مشخص‌شده بر می‌گرداند.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "تعداد %1 را در %2 بشمار";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "تعداد دفعاتی که یک متن درون یک متن دیگر تکرار شده است را برمی‌گرداند";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "افزودن یک مورد به متن.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "عضویت";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "اضافه کردن، حذف یا مرتب‌سازی بحش‌ها برای تنظیم مجدد این بلوک متنی.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "به حرف # از انتها";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "به حرف #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "به آخرین حرف";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "در متن";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "گرفتن زیرمتن از اولین حرف";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "گرفتن زیرمتن از حرف # به انتها";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "گرفتن زیرمتن از حرف #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "قسمت مشخصی‌شده‌ای از متن را بر می‌گرداند.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "اولین رخداد متن را بیاب";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "آخرین رخداد متن را بیاب";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "در متن %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "شاخصی از اولین آخرین رخ‌داد متن اول در متن دوم بر می‌گرداند. اگر متن یافت نشد %1 باز می‌گرداند.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 خالی است";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "اضافه کردن صحیح اگر متن فراهم‌شده خالی است.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "ایجاد متن با";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "یک تکه‌ای از متن را با چسپاندن همهٔ تعداد از موارد ایجاد می‌کند.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "طول %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "بازگرداندن عددی از حروف (شامل فاصله‌ها) در متن فراهم‌شده.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "چاپ %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "چاپ متن، عدد یا هر مقدار دیگر مشخص‌شده.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "اعلان برای کاربر با یک عدد.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "اعلان برای کاربر برای یک متن.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "اعلان برای عدد با پیام";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "اعلان برای متن با پیام";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "درون %3، متن %1 را با %2 جایگزین کن";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "جایگزین کردن تمام مواردی که از متنی درون متن دیگر وجود دارد";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "معکوس %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "چینش کاراکترها درون متن را برعکس می‌کند";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://fa.wikipedia.org/wiki/%D8%B1%D8%B4%D8%AA%D9%87_%28%D8%B9%D9%84%D9%88%D9%85_%D8%B1%D8%A7%DB%8C%D8%A7%D9%86%D9%87%29";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "یک حرف، کلمه یا خطی از متن.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "تراشیدن فاصله‌ها از  هر دو طرف";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "تراشیدن فاصله‌ها از  طرف چپ";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "تراشیدن فاصله‌ها از  طرف چپ";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "کپی از متن با فاصله‌های حذف‌شده از یک یا هر دو پایان باز می‌گرداند.";
-Blockly.Msg["TODAY"] = "امروز";
-Blockly.Msg["UNDO"] = "واگردانی";
-Blockly.Msg["UNNAMED_KEY"] = "بدون نام";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "مورد";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "درست‌کردن «تنظیم %1»";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "مقدار این متغیر را بر می‌گرداند.";
-Blockly.Msg["VARIABLES_SET"] = "مجموعه %1 به %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "درست‌کردن «گرفتن %1»";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "متغیر برابر با خروجی را مشخص می‌کند.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "متغیری با نام '%1' هم اکنون وجود دارد";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "در حال حاضر یک متغیر با نام '%1' برای متغیر دیگری از نوع '%2' وجود دارد.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "یک چیزی بگو...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/fi.js b/msg/js/fi.js
deleted file mode 100644
index 827ee8847a8..00000000000
--- a/msg/js/fi.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Lisää kommentti";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Ei voida poistaa muuttujaa '%1' koska se on osa funktion määritelmää '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Muuta arvoa:";
-Blockly.Msg["CLEAN_UP"] = "Siivoa lohkot";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Supistetut lohkot sisältävät varoituksia.";
-Blockly.Msg["COLLAPSE_ALL"] = "Sulje lohkot";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Sulje lohko";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "väri 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "väri 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "suhde";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "sekoitus";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Sekoittaa kaksi väriä keskenään annetussa suhteessa (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://fi.wikipedia.org/wiki/V%C3%A4ri";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Valitse väri paletista.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "satunnainen väri";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Valitse väri sattumanvaraisesti.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "sininen";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "vihreä";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "punainen";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "väri, jossa on";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Luo väri, jossa on tietty määrä punaista, vihreää ja sinistä. Kaikkien arvojen tulee olla välillä 0 - 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "poistu silmukasta";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "jatka silmukan seuraavaan toistoon";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Poistu sisemmästä silmukasta.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Ohita loput tästä silmukasta ja siirry seuraavaan toistoon.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Varoitus: Tätä lohkoa voi käyttää vain silmukan sisällä.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "kullekin kohteelle %1 listassa %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Aseta muuttujan %1 arvoksi kukin listan kohde vuorollaan ja suorita joukko lausekkeita.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "laske %1 Väli %2-%3 %4:n välein";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Aseta muuttujaan \"%1\" arvot alkuarvosta loppuarvoon annetun askeleen välein ja suorita joka askeleella annettu koodilohko.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Lisää ehto \"jos\" lohkoon.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Lisää lopullinen \"muuten\" lohko \"jos\" lohkoon.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Lisää, poista tai järjestele osioita tässä \"jos\" lohkossa.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "muuten";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "muuten jos";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "jos";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Jos arvo on tosi, suorita lauseke.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Jos arvo on tosi, suorita ensimmäinen lohko lausekkeita. Muuten suorita toinen lohko lausekkeita.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Jos ensimmäinen arvo on tosi, suorita ensimmäinen lohko lausekkeita. Muuten, jos toinen arvo on tosi, suorita toinen lohko lausekkeita.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Jos ensimmäinen arvo on tosi, suorita ensimmäinen lohko lausekkeita. Muuten, jos toinen arvo on tosi, suorita toinen lohko lausekkeita. Jos mikään arvoista ei ole tosi, suorita viimeinen lohko lausekkeita.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "tee";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "toista %1 kertaa";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Suorita joukko lausekkeita useampi kertaa.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "toista kunnes";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "toista niin kauan kuin";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Niin kauan kuin arvo on epätosi, suorita joukko lausekkeita.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Niin kauan kuin arvo on tosi, suorita joukko lausekkeita.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Poistetaanko kaikki %1 lohkoa?";
-Blockly.Msg["DELETE_BLOCK"] = "Poista lohko";
-Blockly.Msg["DELETE_VARIABLE"] = "Poista muuttuja '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Poistetaanko %1 käyttöä muuttujalta '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Poista %1 lohkoa";
-Blockly.Msg["DISABLE_BLOCK"] = "Passivoi lohko";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Kaksoiskappale";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Kahdenna kommentti";
-Blockly.Msg["ENABLE_BLOCK"] = "Aktivoi lohko";
-Blockly.Msg["EXPAND_ALL"] = "Laajenna lohkot";
-Blockly.Msg["EXPAND_BLOCK"] = "Laajenna lohko";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Ulkoiset syötteet";
-Blockly.Msg["HELP"] = "Apua";
-Blockly.Msg["INLINE_INPUTS"] = "Tuo syötteet";
-Blockly.Msg["IOS_CANCEL"] = "Peruuta";
-Blockly.Msg["IOS_ERROR"] = "Virhe";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Lisää syöte";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Salli lausekkeet";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Tällä toiminnolla on päällekkäisiä syötteitä.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "SYÖTTEET";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Lisää";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Lisää muuttuja";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Poista";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Et voi käyttää tyhjää muuttujan nimeä.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Nimeä uudelleen";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Muuttujan nimi";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "Luo tyhjä lista";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Palauta tyhjä lista, pituus 0";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "lista";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Listää, poista tai järjestele uudestaan osioita tässä lohkossa.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "luo lista";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Lisää kohde listaan.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Luo lista, jossa on mikä tahansa määrä kohteita.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "ensimmäinen";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "nro (lopusta laskien)";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "nro";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "hae";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "hae ja poista";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "viimeinen";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "satunnainen";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "poista";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Palauta ensimmäinen kohde listalta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Palauta kohde annetusta kohdasta listaa.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Palauttaa listan viimeisen kohteen.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Palauttaa satunnaisen kohteen listalta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Poistaa ja palauttaa ensimmäisen kohteen listalta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Poistaa ja palauttaa kohteen listan annetusta kohdasta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Poistaa ja palauttaa viimeisen kohteen listalta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Poistaa ja palauttaa satunnaisen kohteen listalta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Poistaa ensimmäisen kohteen listalta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Poistaa kohteen listalta annetusta kohtaa.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Poistaa viimeisen kohteen listalta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Poistaa satunnaisen kohteen listalta.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "päättyen kohtaan (lopusta laskien)";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "päättyen kohtaan";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "viimeinen";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "hae osalista alkaen alusta";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "hae osalista alkaen kohdasta (lopusta laskien)";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "hae osalista alkaen kohdasta";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Luo kopio määrätystä kohden listaa.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "Numero %1 tarkoittaa listan viimeistä kohdetta.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "Numero %1 tarkoittaa listan ensimmäistä kohdetta.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "etsi ensimmäinen esiintymä kohteelle";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "etsi viimeinen esiintymä kohteelle";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Palauttaa kohteen ensimmäisen/viimeisen esiintymän kohdan listassa. Palauttaa %1 jos kohdetta ei löydy.";
-Blockly.Msg["LISTS_INLIST"] = "listassa";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 on tyhjä";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Palauttaa tosi, jos lista on tyhjä.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1:n pituus";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Palauttaa listan pituuden.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "luo lista, jossa kohde %1 toistuu %2 kertaa";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Luo listan, jossa annettu arvo toistuu määrätyn monta kertaa.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "%1 takaperin";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Palauta käännetty kopio listasta.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "kohteeksi";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "lisää kohtaan";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "aseta";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Lisää kohteen listan kärkeen.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Lisää kohteen annettuun kohtaan listassa.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Lisää kohteen listan loppuun.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Lisää kohteen satunnaiseen kohtaan listassa.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Asettaa listan ensimmäisen kohteen.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Asettaa kohteen annettuun kohtaan listassa.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Asettaa listan viimeisen kohteen.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Asettaa satunnaisen kohteen listassa.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "nouseva";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "laskeva";
-Blockly.Msg["LISTS_SORT_TITLE"] = "lajittele %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Lajittele kopio luettelosta.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "aakkosjärjestyksessä, välittämättä kirjainkoosta";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeerinen";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "aakkosjärjestys";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "tee lista tekstistä";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "tee listasta teksti";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Yhdistä luettelon tekstit yhdeksi tekstiksi, erotettuina välimerkillä.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Jaa teksti osiin erotinmerkin perusteella ja järjestä osat listaksi.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "erottimen kanssa";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "epätosi";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Palauttaa joko tosi tai epätosi.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "tosi";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://fi.wikipedia.org/wiki/Ep%C3%A4yht%C3%A4l%C3%B6";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Palauta tosi, jos syötteet ovat keskenään samat.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Palauttaa tosi, jos ensimmäinen syöte on suurempi, kuin toinen.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Palauttaa tosi, jos ensimmäinen syöte on suurempi tai yhtä suuri, kuin toinen.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Palauttaa tosi, jos ensimmäinen syöte on pienempi, kuin toinen.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Palauttaa tosi, jos ensimmäinen syöte on pienempi tai yhtä suuri, kuin toinen.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Palauttaa tosi, jos syötteet eivät ole keskenään samoja.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ei %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Palauttaa tosi, jos syöte on epätosi. Palauttaa epätosi, jos syöte on tosi.";
-Blockly.Msg["LOGIC_NULL"] = "ei mitään";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Palauttaa \"ei mitään\"-arvon.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "ja";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "tai";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Palauttaa tosi, jos kummatkin syötteet ovat tosia.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Palauttaa tosi, jos ainakin yksi syötteistä on tosi.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "testi";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "jos epätosi";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "jos tosi";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Tarkistaa testin ehdon. Jos ehto on tosi, palauttaa \"jos tosi\" arvon, muuten palauttaa \"jos epätosi\" arvon.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "http://fi.wikipedia.org/wiki/Aritmetiikka";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Palauttaa kahden luvun summan.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Palauttaa jakolaskun osamäärän.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Palauttaa kahden luvun erotuksen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Palauttaa kertolaskun tulon.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Palauttaa ensimmäisen luvun korotettuna toisen luvun potenssiin.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan(X:%1,Y:%2)";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Palauta pisteen (X,Y) arkustangentti välillä -180–180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://fi.wikipedia.org/wiki/Yhteenlasku";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "muuta %1 arvolla %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Lisää arvo muuttujaan '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Palauttaa jonkin seuraavista vakioista: π (3.141…), e (2.718…), φ (1.618…), neliöjuuri(2) (1.414…), neliöjuuri(½) (0.707…), or ∞ (ääretön).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "rajoita %1 vähintään %2 enintään %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Rajoittaa arvon annetulle suljetulle välille.";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "on jaollinen luvulla";
-Blockly.Msg["MATH_IS_EVEN"] = "on parillinen";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "on negatiivinen";
-Blockly.Msg["MATH_IS_ODD"] = "on pariton";
-Blockly.Msg["MATH_IS_POSITIVE"] = "on positiivinen";
-Blockly.Msg["MATH_IS_PRIME"] = "on alkuluku";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Tarkistaa onko numero parillinen, pariton, alkuluku, kokonaisluku, positiivinen, negatiivinen, tai jos se on jaollinen toisella luvulla. Palauttaa tosi tai epätosi.";
-Blockly.Msg["MATH_IS_WHOLE"] = "on kokonaisluku";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "%1 ÷ %2 jakojäännös";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Palauttaa jakolaskun jakojäännöksen.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "⋅";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://fi.wikipedia.org/wiki/Luku";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Luku.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "keskiarvo luvuista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "suurin luvuista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "keskiluku luvuista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "pienin luvuista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "tyyppiarvo luvuista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "satunnainen valinta luvuista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "keskihajonta luvuista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "summa luvuista";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Palauttaa aritmeettisen keskiarvon annetuista luvuista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Palauttaa suurimman annetuista luvuista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Palauttaa annettujen lukujen keskiluvun.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Palauttaa pienimmän annetuista luvuista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Palauttaa luettelon yleisimmistä luvuista annetussa listassa.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Palauttaa satunnaisesti valitun luvun annetuista luvuista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Palauttaa annettujen lukujen keskihajonnan.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Palauttaa kaikkien annettujen lukujen summan.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://fi.wikipedia.org/wiki/Satunnaisluku";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "satunnainen murtoluku";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Palauttaa satunnaisen luvun oikealta puoliavoimesta välistä [0.0, 1.0).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://fi.wikipedia.org/wiki/Satunnaisluku";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "Palauttaa satunnaisen kokonaisluvun väliltä %1-%2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Palauttaa satunnaisen kokonaisluvun kahden annetun arvon suljetulta väliltä.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://fi.wikipedia.org/wiki/Py%C3%B6rist%C3%A4minen";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "pyöristä";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "pyöristä alaspäin";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "pyöristä ylöspäin";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Pyöristää luvun ylös- tai alaspäin.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://fi.wikipedia.org/wiki/Neli%C3%B6juuri";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "itseisarvo";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "neliöjuuri";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Palauttaa luvun itseisarvon.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Palauttaa e potenssiin luku.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Palauttaa luvun luonnollisen logaritmin.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Palauttaa luvun kymmenkantaisen logaritmin.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Palauttaa numeron vastaluvun.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Palauttaa 10 potenssiin luku.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Palauttaa luvun neliöjuuren.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://fi.wikipedia.org/wiki/Trigonometrinen_funktio";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Palauttaa luvun arkuskosinin.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Palauttaa luvun arkussinin.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Palauttaa luvun arkustangentin.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Palauttaa asteluvun (ei radiaanin) kosinin.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Palauttaa asteluvun (ei radiaanin) sinin.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Palauttaa asteluvun (ei radiaanin) tangentin.";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Luo värimuuttuja...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Luo numeromuuttuja...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Luo merkkijonomuuttuja...";
-Blockly.Msg["NEW_VARIABLE"] = "Luo muuttuja...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Uuden muuttujan nimi:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Uuden muuttujan tyyppi:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "salli kommentit";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "parametrit:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://fi.wikipedia.org/wiki/Aliohjelma";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Suorittaa käyttäjän määrittelemä funktio '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://fi.wikipedia.org/wiki/Aliohjelma";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Suorittaa käyttäjän määrittelemän funktion '%1' ja käyttää sen tuotosta.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "parametrit:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Luo '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Kuvaile tämä funktio...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "tee jotain";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "tehdäksesi";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Luo funktio, jolla ei ole tuotosta.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "palauta";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Luo funktio, jolla ei ole tuotosta.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Varoitus: tällä funktiolla on sama parametri useamman kerran.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Korosta funktion määritelmä";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Jos arvo on tosi, palauta toinen arvo.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Varoitus: tätä lohkoa voi käyttää vain funktion määrityksessä.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "syötteen nimi:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Lisää sisääntulon funktioon.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "syötteet";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Lisää, poista tai järjestele uudelleen tämän toiminnon tulot.";
-Blockly.Msg["REDO"] = "Tee uudelleen";
-Blockly.Msg["REMOVE_COMMENT"] = "Poista kommentti";
-Blockly.Msg["RENAME_VARIABLE"] = "Nimeä uudelleen muuttuja...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Nimeä uudelleen kaikki '%1' muuttujaa:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "muuttujaan %1 lisää teksti %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Lisää tekstiä muuttujaan '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "pienet kirjaimet";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "isot alkukirjaimet";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "isot kirjaimet";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Palauttaa kopion tekstistä eri kirjainkoossa.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "hae ensimmäinen kirjain";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "Hae kirjain nro (lopusta laskien)";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "Hae kirjain nro";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "hae viimeinen kirjain";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "hae satunnainen kirjain";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "tekstissä %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Palauttaa annetussa kohdassa olevan kirjaimen.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "laske määrä '%1' '%2' sisällä";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Laske kuinka monta kertaa jokin teksti esiintyy jossakin toisessa tekstissä.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Lisää kohteen tekstiin.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "liitä";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Lisää, poista tai uudelleen järjestä osioita tässä lohkossa.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "kirjaimeen nro (lopusta laskien)";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "kirjaimeen nro";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "viimeiseen kirjaimeen";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "merkkijonosta";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "hae osa alkaen ensimmäisestä kirjaimesta";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "hae osa alkaen kirjaimesta nro (lopusta laskien)";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "hae osa alkaen kirjaimesta nro";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Palauttaa määrätyn osan tekstistä.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "etsi ensimmäinen esiintymä merkkijonolle";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "etsi viimeinen esiintymä merkkijonolle";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "tekstissä %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Palauttaa ensin annetun tekstin ensimmäisen/viimeisen esiintymän osoitteen toisessa tekstissä. Palauttaa osoitteen %1 jos tekstiä ei löytynyt.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 on tyhjä";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Palauttaa tosi, jos annettu teksti on tyhjä.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "luo teksti";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Luo merkkijonon liittämällä yhteen minkä tahansa määrän kohteita.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1:n pituus";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Palauttaa annetussa tekstissä olevien merkkien määrän (välilyönnit mukaan lukien).";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "tulosta %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Tulostaa annetun tekstin, numeron tai muun arvon.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Kehottaa käyttäjää syöttämään numeron.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Kehottaa käyttäjää syöttämään tekstiä.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "käyttäen annettua viestiä, kehottaa syöttämään numeron";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "käyttäen annettua viestiä, kehottaa syöttämään tekstiä";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "Korvaa teksti %1 tekstillä %2 tekstissä %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Korvaa tietyn tekstin ilmentymät tekstin sisällä.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "%1 takaperin";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Muuttaa tekstin kirjainten järjestyksen toisin päin.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://fi.wikipedia.org/wiki/Merkkijono";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Kirjain, sana tai rivi tekstiä.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "poistaa välilyönnit kummaltakin puolelta";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "poistaa välilyönnit vasemmalta puolelta";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "poistaa välilyönnit oikealta puolelta";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Palauttaa kopion tekstistä siten, että välilyönnit on poistettu yhdestä tai molemmista päistä.";
-Blockly.Msg["TODAY"] = "Tänään";
-Blockly.Msg["UNDO"] = "Kumoa";
-Blockly.Msg["UNNAMED_KEY"] = "nimetön";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "kohde";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Luo 'aseta %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Palauttaa muuttujan arvon.";
-Blockly.Msg["VARIABLES_SET"] = "aseta %1 arvoksi %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Luo 'hae %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Asettaa muutujan arvoksi annetun syötteen.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Muuttuja nimeltään '%1' on jo olemassa.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Muuttuja nimeltä '%1' on jo olemassa toiselle tyypille: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blocklyn työnäkymä";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Sano jotakin...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/fr.js b/msg/js/fr.js
deleted file mode 100644
index 27b0f8515f9..00000000000
--- a/msg/js/fr.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Ajouter un commentaire";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Impossible de supprimer la variable « %1 » parce qu’elle fait partie de la définition de la fonction « %2 »";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Modifier la valeur :";
-Blockly.Msg["CLEAN_UP"] = "Nettoyer les blocs";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Les blocs repliés contiennent des avertissements.";
-Blockly.Msg["COLLAPSE_ALL"] = "Réduire les blocs";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Réduire le bloc";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "couleur 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "couleur 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "taux";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "mélanger";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Mélange deux couleurs dans une proportion donnée (de 0.0 à 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://fr.wikipedia.org/wiki/Couleur";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Choisir une couleur dans la palette.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "couleur aléatoire";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Choisir une couleur au hasard.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "bleu";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "vert";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "rouge";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "colorier en";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Créer une couleur avec la quantité spécifiée de rouge, vert et bleu. Les valeurs doivent être comprises entre 0 et 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "quitter la boucle";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "passer à l’itération de boucle suivante";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Sortir de la boucle englobante.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Sauter le reste de cette boucle, et poursuivre avec l’itération suivante.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Attention : ce bloc ne devrait être utilisé que dans une boucle.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "pour chaque élément %1 dans la liste %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Pour chaque élément d’une liste, assigner la valeur de l’élément à la variable « %1 », puis exécuter des instructions.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "compter avec %1 de %2 à %3 par %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Faire prendre successivement à la variable « %1 » les valeurs entre deux nombres de début et de fin par incrément du pas spécifié et exécuter les instructions spécifiées.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Ajouter une condition au bloc conditionnel.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Ajouter une condition finale déclenchée dans tous les autres cas au bloc conditionnel.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Ajouter, supprimer ou réordonner les sections pour reconfigurer ce bloc conditionnel.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "sinon";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "sinon si";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "si";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Si une valeur est vraie, alors exécuter certaines instructions.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Si une valeur est vraie, alors exécuter le premier bloc d’instructions. Sinon, exécuter le second bloc d’instructions.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Si la première valeur est vraie, alors exécuter le premier bloc d’instructions. Sinon, si la seconde valeur est vraie, exécuter le second bloc d’instructions.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Si la première valeur est vraie, alors exécuter le premier bloc d’instructions. Sinon, si la seconde valeur est vraie, exécuter le second bloc d’instruction. Si aucune des valeurs n’est vraie, exécuter le dernier bloc d’instruction.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://fr.wikipedia.org/wiki/Boucle_for";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "faire";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "répéter %1 fois";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Exécuter des instructions plusieurs fois.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "répéter jusqu’à";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "répéter tant que";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Tant qu’une valeur est fausse, alors exécuter des instructions.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Tant qu’une valeur est vraie, alors exécuter des instructions.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Supprimer ces %1 blocs ?";
-Blockly.Msg["DELETE_BLOCK"] = "Supprimer le bloc";
-Blockly.Msg["DELETE_VARIABLE"] = "Supprimer la variable « %1 »";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Supprimer %1 utilisations de la variable « %2 » ?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Supprimer %1 blocs";
-Blockly.Msg["DISABLE_BLOCK"] = "Désactiver le bloc";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Dupliquer";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Dupliquer le commentaire";
-Blockly.Msg["ENABLE_BLOCK"] = "Activer le bloc";
-Blockly.Msg["EXPAND_ALL"] = "Développer les blocs";
-Blockly.Msg["EXPAND_BLOCK"] = "Développer le bloc";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Entrées externes";
-Blockly.Msg["HELP"] = "Aide";
-Blockly.Msg["INLINE_INPUTS"] = "Entrées en ligne";
-Blockly.Msg["IOS_CANCEL"] = "Annuler";
-Blockly.Msg["IOS_ERROR"] = "Erreur";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Ajouter une entrée";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Instructions autorisées";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Cette fonction a des entrées dupliquées.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ENTRÉES";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Ajouter";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Ajouter une variable";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Supprimer";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Vous ne pouvez pas utiliser un nom de variable vide.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Renommer";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Nom de la variable";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "créer une liste vide";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Renvoyer une liste, de longueur 0, ne contenant aucun enregistrement de données";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "liste";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Ajouter, supprimer, ou réordonner les sections pour reconfigurer ce bloc de liste.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "créer une liste avec";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Ajouter un élément à la liste.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Créer une liste avec un nombre quelconque d’éléments.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "premier";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "n° depuis la fin";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "obtenir";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "obtenir et supprimer";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "dernier";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "aléatoire";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "supprimer";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Renvoie le premier élément dans une liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Renvoie l’élément à la position indiquée dans une liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Renvoie le dernier élément dans une liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Renvoie un élément au hasard dans une liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Supprime et renvoie le premier élément dans une liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Supprime et renvoie l’élément à la position indiquée dans une liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Supprime et renvoie le dernier élément dans une liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Supprime et renvoie un élément au hasard dans une liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Supprime le premier élément dans une liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Supprime l’élément à la position indiquée dans une liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Supprime le dernier élément dans une liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Supprime un élément au hasard dans une liste.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "jusqu’au n° depuis la fin";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "jusqu’au n°";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "jusqu’à la fin";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "obtenir la sous-liste depuis le début";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "obtenir la sous-liste depuis le n° depuis la fin";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "obtenir la sous-liste depuis le n°";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Crée une copie de la partie spécifiée d’une liste.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 est le dernier élément.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 est le premier élément.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "trouver la première occurrence de l’élément";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "trouver la dernière occurrence de l’élément";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Renvoie l’index de la première/dernière occurrence de l’élément dans la liste. Renvoie %1 si l’élément n’est pas trouvé.";
-Blockly.Msg["LISTS_INLIST"] = "dans la liste";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 est vide";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Renvoie vrai si la liste est vide.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "longueur de %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Renvoie la longueur d’une liste.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "créer une liste avec l’élément %1 répété %2 fois";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Crée une liste consistant en la valeur fournie répétée le nombre de fois indiqué.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "inverser %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Inverser la copie d’une liste.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "comme";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insérer en";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "mettre";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Insère l’élément au début d’une liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Insère l’élément à la position indiquée dans une liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Ajoute l’élément à la fin d’une liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Insère l’élément au hasard dans une liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Définit le premier élément dans une liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Définit l’élément à la position indiquée dans une liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Définit le dernier élément dans une liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Définit un élément au hasard dans une liste.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "croissant";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "décroissant";
-Blockly.Msg["LISTS_SORT_TITLE"] = "trier %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Trier une copie d’une liste.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabétique, en ignorant la casse";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numérique";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabétique";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "créer une liste depuis le texte";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "créer un texte depuis la liste";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Réunir une liste de textes en un seul, en les joignant par un séparateur.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Couper un texte en une liste de textes, en coupant à chaque séparateur.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "avec séparateur";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "faux";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Renvoie soit vrai soit faux.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "vrai";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://fr.wikipedia.org/wiki/In%C3%A9galit%C3%A9_(math%C3%A9matiques)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Renvoyer vrai si les deux entrées sont égales.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Renvoyer vrai si la première entrée est plus grande que la seconde.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Renvoyer true si la première entrée est supérieure ou égale à la seconde.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Renvoyer vrai si la première entrée est plus petite que la seconde.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Renvoyer vrai si la première entrée est plus petite ou égale à la seconde.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Renvoyer vrai si les deux entrées sont différentes.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "non %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Renvoie vrai si l’entrée est fausse. Renvoie faux si l’entrée est vraie.";
-Blockly.Msg["LOGIC_NULL"] = "nul";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Renvoie nul.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "et";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ou";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Renvoyer vrai si les deux entrées sont vraies.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Renvoyer vrai si au moins une des entrées est vraie.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "si faux";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "si vrai";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Vérifie la condition indiquée dans « test ». Si elle est vraie, renvoie la valeur « si vrai » ; sinon renvoie la valeur « si faux ».";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://fr.wikipedia.org/wiki/Arithm%C3%A9tique";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Renvoie la somme des deux nombres.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Renvoie le quotient des deux nombres.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Renvoie la différence des deux nombres.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Renvoie le produit des deux nombres.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Renvoie le premier nombre élevé à la puissance du second.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://fr.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 de (X : %1 , Y : %2)";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Renvoie l’arc-tangente du point (X, Y) en degrés entre -180 et 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://fr.wikipedia.org/wiki/Idiome_de_programmation";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "incrémenter %1 de %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Ajouter un nombre à la variable « %1 ».";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://fr.wikipedia.org/wiki/Table_de_constantes_math%C3%A9matiques";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Renvoie une des constantes courantes : π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), ou ∞ (infini).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "contraindre %1 entre %2 et %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Contraindre un nombre à rester entre les limites spécifiées (incluses).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "est divisible par";
-Blockly.Msg["MATH_IS_EVEN"] = "est pair";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "est négatif";
-Blockly.Msg["MATH_IS_ODD"] = "est impair";
-Blockly.Msg["MATH_IS_POSITIVE"] = "est positif";
-Blockly.Msg["MATH_IS_PRIME"] = "est premier";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Vérifier si un nombre est pair, impair, premier, entier, positif, négatif ou s’il est divisible par un certain nombre. Renvoie vrai ou faux.";
-Blockly.Msg["MATH_IS_WHOLE"] = "est entier";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://fr.wikipedia.org/wiki/Modulo_(op%C3%A9ration)";
-Blockly.Msg["MATH_MODULO_TITLE"] = "reste de %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Renvoyer le reste de la division euclidienne des deux nombres.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://fr.wikipedia.org/wiki/Nombre";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Un nombre.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "moyenne de la liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "maximum de la liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "médiane de la liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "minimum de la liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "majoritaires de la liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "élément aléatoire de la liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "écart type de la liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "somme de la liste";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Renvoyer la moyenne (arithmétique) des valeurs numériques dans la liste.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Renvoyer le plus grand nombre dans la liste.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Renvoyer le nombre médian de la liste.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Renvoyer le plus petit nombre dans la liste.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Renvoyer une liste d’un ou plusieurs éléments les plus fréquents dans la liste.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Renvoyer un élément au hasard dans la liste.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Renvoyer l’écart type de la liste.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Renvoyer la somme de tous les nombres dans la liste.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://fr.wikipedia.org/wiki/G%C3%A9n%C3%A9rateur_de_nombres_al%C3%A9atoires";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "fraction aléatoire";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Renvoyer une fraction aléatoire entre 0,0 (inclus) et 1,0 (exclus).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://fr.wikipedia.org/wiki/G%C3%A9n%C3%A9rateur_de_nombres_al%C3%A9atoires";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "entier aléatoire entre %1 et %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Renvoyer un entier aléatoire entre les deux limites spécifiées, incluses.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://fr.wikipedia.org/wiki/Arrondi_(math%C3%A9matiques)";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "arrondir";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "arrondir par défaut (à l’entier inférieur le plus proche)";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "arrondir par excès (à l’entier supérieur le plus proche)";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Arrondir un nombre au-dessus ou au-dessous.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://fr.wikipedia.org/wiki/Racine_carr%C3%A9e";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "valeur absolue";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "racine carrée";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Renvoie la valeur absolue d’un nombre.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Renvoie <em>e</em> à la puissance d’un nombre.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Renvoie le logarithme naturel d’un nombre.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Renvoie le logarithme décimal d’un nombre.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Renvoie l’opposé d’un nombre";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Renvoie 10 à la puissance d’un nombre.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Renvoie la racine carrée d’un nombre.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://fr.wikipedia.org/wiki/Fonction_trigonom%C3%A9trique";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Renvoie l’arccosinus d’un nombre.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Renvoie l’arcsinus d’un nombre.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Renvoie l’arctangente d’un nombre.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Renvoie le cosinus d’un angle en degrés (pas en radians).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Renvoie le sinus d’un angle en degrés (pas en radians).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Renvoie la tangente d’un angle en degrés (pas en radians).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Créer une variable de couleur...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Créer une variable numérique...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Créer une variable de chaîne...";
-Blockly.Msg["NEW_VARIABLE"] = "Créer une variable...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nom de la nouvelle variable :";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Nouveau type de variable :";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "autoriser les ordres";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "avec :";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://fr.wikipedia.org/wiki/Sous-programme";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Exécuter la fonction « %1 » définie par l’utilisateur.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://fr.wikipedia.org/wiki/Sous-programme";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Exécuter la fonction « %1 » définie par l’utilisateur et utiliser son résultat.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "avec :";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Créer « %1 »";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Décrivez cette fonction...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "faire quelque chose";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "pour";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Crée une fonction sans sortie.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "retourner";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Crée une fonction avec une sortie.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Attention : cette fonction a des paramètres en double.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Surligner la définition de la fonction";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Si une valeur est vraie, alors renvoyer une seconde valeur.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Attention : ce bloc ne peut être utilisé que dans une définition de fonction.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "nom de l’entrée :";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Ajouter une entrée à la fonction.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "entrées";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Ajouter, supprimer, ou réarranger les entrées de cette fonction.";
-Blockly.Msg["REDO"] = "Refaire";
-Blockly.Msg["REMOVE_COMMENT"] = "Supprimer un commentaire";
-Blockly.Msg["RENAME_VARIABLE"] = "Renommer la variable...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Renommer toutes les variables « %1 » en :";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "ajouter le texte %2 à %1";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Ajouter du texte à la variable « %1 ».";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "en minuscules";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "en Capitale Initiale Pour Chaque Mot";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "en MAJUSCULES";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Renvoyer une copie du texte dans une autre casse.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "obtenir la première lettre";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "obtenir la lettre nº (depuis la fin)";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "obtenir la lettre nº";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "obtenir la dernière lettre";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "obtenir une lettre au hasard";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "%2 dans le texte %1";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Renvoie la lettre à la position indiquée.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "nombre %1 sur %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Compter combien de fois un texte donné apparaît dans un autre.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Ajouter un élément au texte.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "joindre";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Ajouter, supprimer, ou réordonner des sections pour reconfigurer ce bloc de texte.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "jusqu’à la lettre nº (depuis la fin)";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "jusqu’à la lettre nº";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "jusqu’à la dernière lettre";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "dans le texte";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "obtenir la sous-chaîne depuis la première lettre";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "obtenir la sous-chaîne depuis la lettre nº (depuis la fin)";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "obtenir la sous-chaîne depuis la lettre nº";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Renvoie une partie indiquée du texte.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "trouver la première occurrence de la chaîne";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "trouver la dernière occurrence du texte";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "%2 %3 dans le texte %1";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Renvoie l’index de la première/dernière occurrence de la première chaîne dans la seconde. Renvoie %1 si la chaîne n’est pas trouvée.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 est vide";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Renvoie vrai si le texte fourni est vide.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "créer un texte avec";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Créer un morceau de texte en joignant bout à bout et successivement un nombre quelconque d’éléments dans le même ordre.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "longueur de %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Renvoie le nombre de lettres (chiffres, ponctuations, symboles et espaces compris) dans le texte fourni.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "afficher %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Afficher le texte, le nombre ou une autre valeur spécifiée.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Demander un nombre à l’utilisateur.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Demander un texte à l’utilisateur.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "demander un nombre avec un message";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "demander un texte avec un message";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "remplacer %1 par %2 dans %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Remplacer toutes les occurrences d’un texte par un autre.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "renverser %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Renverse l’ordre des caractères dans le texte.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://fr.wikipedia.org/wiki/Cha%C3%AEne_de_caract%C3%A8res";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Une lettre, un mot ou une ligne de texte.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "supprimer les espaces des deux côtés de";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "supprimer les espaces du côté gauche de";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "supprimer les espaces du côté droit de";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Renvoyer une copie du texte avec les espaces supprimés d’un ou des deux bouts.";
-Blockly.Msg["TODAY"] = "Aujourd'hui";
-Blockly.Msg["UNDO"] = "Annuler";
-Blockly.Msg["UNNAMED_KEY"] = "non nommé";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "élément";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Créer « set %1 »";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Renvoie la valeur de cette variable.";
-Blockly.Msg["VARIABLES_SET"] = "définir %1 à %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Créer « get %1 »";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Définit cette variable pour qu’elle soit égale à la valeur de l’entrée.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Une variable nommée « %1 » existe déjà.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Une variable nommée « %1 » existe déjà pour un autre type : « %2 ».";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Espace de travail de Blocky";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Expliquez quelque chose...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/gl.js b/msg/js/gl.js
deleted file mode 100644
index 1685bd4538e..00000000000
--- a/msg/js/gl.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Engadir un comentario";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Cambiar o valor:";
-Blockly.Msg["CLEAN_UP"] = "Limpar os bloques";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Contraer os bloques";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Contraer o bloque";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "cor 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "cor 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "proporción";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "mesturar";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Mestura dúas cores ca proporción indicada (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://gl.wikipedia.org/wiki/Cor";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Escolle unha cor da paleta.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "cor ó chou";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Escolle unha cor ao chou.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "azul";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "verde";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "vermello";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "colorar con";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Create a colour with the specified amount of red, green, and blue. All values must be between 0 and 100.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "break out of loop";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continue with next iteration of loop";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Break out of the containing loop.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warning: This block may only be used within a loop.";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "for each item %1 in list %2";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For each item in a list, set the variable '%1' to the item, and then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "count with %1 from %2 to %3 by %4";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Add a condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "senón";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "mais se";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "se";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "If a value is true, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "facer";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "repeat %1 times";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Faga algunhas instrucións varias veces.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "repetir ata";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "repetir mentres";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "While a value is false, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "While a value is true, then do some statements.";  // untranslated
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Queres eliminar os %1 bloques?";
-Blockly.Msg["DELETE_BLOCK"] = "Borrar o bloque";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "Borrar %1 bloques";
-Blockly.Msg["DISABLE_BLOCK"] = "Desactivar o bloque";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplicar";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Activar o bloque";
-Blockly.Msg["EXPAND_ALL"] = "Expandir os bloques";
-Blockly.Msg["EXPAND_BLOCK"] = "Expandir o bloque";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Entradas externas";
-Blockly.Msg["HELP"] = "Axuda";
-Blockly.Msg["INLINE_INPUTS"] = "Entradas en liña";
-Blockly.Msg["IOS_CANCEL"] = "Cancelar";
-Blockly.Msg["IOS_ERROR"] = "Erro";
-Blockly.Msg["IOS_OK"] = "Feito";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Engadir entrada";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Permitir declaracións";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Esta función ten entradas duplicadas.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ENTRADAS";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Engadir";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Engadir variábel";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Eliminar";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Renomear";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Nome da variábel";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "listaxe";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "primeiro";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# from end";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "get";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "derradeiro";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "ó chou";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 é o derradeiro elemento.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 é o primeiro elemento.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "na listaxe";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 atópase baleira";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Retona verdadeiro se a listaxe atópase baleira.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "como";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "inserir en";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "definir";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascendente";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descendente";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Ordear unha copia dunha listaxe.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabética, iñorar maiúsculas/minúsculas";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numérica";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabética";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "falso";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Returns either true or false.";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "verdadeiro";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Return true if both inputs equal each other.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "non %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
-Blockly.Msg["LOGIC_NULL"] = "nulo";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Retornar nulo.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "e";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ou";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "proba";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "se falso";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "se verdadeiro";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://gl.wikipedia.org/wiki/Aritmética";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Retorna a suma de dous números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Retorna o cociente da división de dous números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Retorna a diferenza de dous números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Retorna o produto de dous números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Retorna o primeiro número elevado á potencia do segundo número.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "mudar %1 por %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Suma un número á variábel '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://gl.wikipedia.org/wiki/Constante_matemática";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Retorna unha das constantes comúns: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), ou ∞ (infinito).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "é divisíbel por";
-Blockly.Msg["MATH_IS_EVEN"] = "é par";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "é negativo";
-Blockly.Msg["MATH_IS_ODD"] = "é impar";
-Blockly.Msg["MATH_IS_POSITIVE"] = "é positivo";
-Blockly.Msg["MATH_IS_PRIME"] = "é primo";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Verifica se un número é par, impar, primo, enteiro, positivo, negativo, ou se é divisíbel por outro número.  Retorna verdadeiro ou falso.";
-Blockly.Msg["MATH_IS_WHOLE"] = "é enteiro";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";  // untranslated
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Un número.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "media dunha listaxe";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "maior dunha listaxe";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "menor dunha listaxe";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "suma da listaxe";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Retorna o maior número da listaxe";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Retorna o menor número da listaxe.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Retorna a suma de tódolos números da listaxe.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://gl.wikipedia.org/wiki/Arredondamento";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "arredonda";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "arredonda cara abaixo";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "arredonda cara arriba";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Arredonda un número cara enriba ou cara abaixo.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://gl.wikipedia.org/wiki/Raíz_cadrada";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absoluto";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "raíz cadrada";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Retorna o valor absoluto dun número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Retorna o número e elevado á potencia dun número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Retorna o logarítmo natural dun número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Retorna o logarítmo en base 10 dun número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Retorna o oposto dun número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Retorna 10 elevado á potencia dun número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Retorna a raíz cadrada dun número.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://gl.m.wikipedia.org/wiki/Función_trigonométrica";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Retorna o arco coseno dun número.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Retorna o arco seno dum número.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Retorna o arco tanxente dun número.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Retorna o coseno dun grao (non radiano).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Retorna o seno dun grao (non radiano).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Retorna a tanxente dun grao (non radiano).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Crear a variable...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nome da nova variable:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "con:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "con:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "facer algo";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "cara";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "retornar";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "entradas";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "Refacer";
-Blockly.Msg["REMOVE_COMMENT"] = "Eliminar o comentario";
-Blockly.Msg["RENAME_VARIABLE"] = "Renomear a variable...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Renomear todas as variables \"%1\" a:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "unir";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "no texto";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "imprime %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "Hoxe";
-Blockly.Msg["UNDO"] = "Desfacer";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "elemento";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/gor.js b/msg/js/gor.js
deleted file mode 100644
index 13365419288..00000000000
--- a/msg/js/gor.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Moduhenga tuladu";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Ubawa nilai";
-Blockly.Msg["CLEAN_UP"] = "Clean up Blocks";  // untranslated
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Mohe'uto Blok";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Mohe'uto Blok";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "laku 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "laku 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "rasio";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "Ulawuwa";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Mongulawu dulo laku pe'eenta wolo rasio (0.0-1.0)";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Laku";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Piliya laku lonto daputari lo laku";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "Laku acak";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Piliya laku acak";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "wahu'ente";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "moyidu";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "meela";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "wolo laku";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Pohutuwa laku wolo jumula u tilantu monto u meela, moyidu wawu wahu'ente. Nga'amila musi o woolota 0 wawu 100";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "Mokaluwari lonto u'uulangiya";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continue with next iteration of loop";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Break out of the containing loop.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warning: This block may only be used within a loop.";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "for each item %1 in list %2";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For each item in a list, set the variable '%1' to the item, and then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "count with %1 from %2 to %3 by %4";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Add a condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "uweewo";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "wonu uweewo";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "wonu";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "If a value is true, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "pohutuwa";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "ulangiya %1 kali";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Do some statements several times.";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ulangiya sambe";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "Ulangiya wonu";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Wonu nilai diya banari, pohutuwa parenta";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Wonu nilai banari, pohutuwa po'ongoolo";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Luluta nga'amila %1 blocks?";
-Blockly.Msg["DELETE_BLOCK"] = "Moluluto Blok";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "Moluluto %1 Blok";
-Blockly.Msg["DISABLE_BLOCK"] = "Moberenti Blok";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplikat";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Momulayi Blok";
-Blockly.Msg["EXPAND_ALL"] = "Lolade Blok";
-Blockly.Msg["EXPAND_BLOCK"] = "Lolade Blok";
-Blockly.Msg["EXTERNAL_INPUTS"] = "tuwanga lonto eksternal";
-Blockly.Msg["HELP"] = "Tuulungi";
-Blockly.Msg["INLINE_INPUTS"] = "tuwanga lo inline";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";  // untranslated
-Blockly.Msg["IOS_ERROR"] = "Error";  // untranslated
-Blockly.Msg["IOS_OK"] = "OK";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "list";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "first";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# from end";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "get";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "last";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "random";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "in list";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "as";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insert at";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "tala";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Returns either true or false.";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "banari";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Return true if both inputs equal each other.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "diila %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
-Blockly.Msg["LOGIC_NULL"] = "noolo";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returns null.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_AND"] = "wawu";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "meyalo";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "yimontalo";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "wonu tala";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "wonu banari";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Return the sum of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "change %1 by %2";  // untranslated
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "is divisible by";  // untranslated
-Blockly.Msg["MATH_IS_EVEN"] = "is even";  // untranslated
-Blockly.Msg["MATH_IS_NEGATIVE"] = "is negative";  // untranslated
-Blockly.Msg["MATH_IS_ODD"] = "is odd";  // untranslated
-Blockly.Msg["MATH_IS_POSITIVE"] = "is positive";  // untranslated
-Blockly.Msg["MATH_IS_PRIME"] = "is prime";  // untranslated
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "is whole";  // untranslated
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Noomoro";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "average of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "max of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "min of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "sum of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "round";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "round down";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "round up";  // untranslated
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolute";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "akar pangkat dua";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";  // untranslated
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Variabel bohu...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Tanggulo Variabel bohu";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Pohutu '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "do something";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "to";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "return";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "Redo";  // untranslated
-Blockly.Msg["REMOVE_COMMENT"] = "Mohinggi tuladu";
-Blockly.Msg["RENAME_VARIABLE"] = "Tangguli uulangi variabel";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Tangguli uulangi nga'amila % variabel ode:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "mowali hurupu kiki'o";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "mowali HURUPU DAMANGO";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "hama tulade bungaliyo";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "hama hurupu # monto wuleya";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "hama hurupu #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "hama tulade pulitiyo";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "hama tulade ambulati";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "wayito";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Duhengi, yinggila, meyalo susungiya ulangi tuladu blok.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "ode tuladu # monto wuleya";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "ode hurupu";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to tulade pulitiyo";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "to delomo tuladu";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "lolohe u yilowali bohuliyo to delomo tuladu";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "lolohe u yilowali pulitiyo to delomo tuladu";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 koosongi";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Pohalinga banari wonu tuladu u sadi-sadia koosongi.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "haya'o lo %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "print %1";  // untranslated
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "Engontiye";
-Blockly.Msg["UNDO"] = "Undo";  // untranslated
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "item";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/ha.js b/msg/js/ha.js
deleted file mode 100644
index f4da57b8a0d..00000000000
--- a/msg/js/ha.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Daɗa Sharhi";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "An kasa goge siffa '%1' sabo da tana daga sashi na bayanin aikin '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Canza kima:";
-Blockly.Msg["CLEAN_UP"] = "A share Bululluka";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Rusa Bululluka";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Rusa Bulo";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "launi na 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "launi na 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "lissafi";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "gauraya";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Ana gauraya launuka biyu tare da wani lissafi da aka bayar (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Zaɓi launi daga faifan launuka.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "launuka da aka hargitsa";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Zaɓi launi daga wanɗanda aka hargitsa.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "shuɗi";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "kore";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "ja";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "launi tare da";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Ƙirƙiri launi tare da wani yawa da aka fayyace na ja, kore, da shuɗi. Duk kimomin dole su zamo tsakanin 0 da 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "ɓalle daga cikin kewaye";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "fara da maimaitawa ta gaba ta kewaye";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "ɓalle daga kewaye wanda ya ƙunsa.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Tsallake sauran wannan kewaye, sannan kuma a ci gaba da maimaitawa ta gaba ta kewaye.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Gargaɗi: Wannan bulon za a iya amfani da shi ne kawai a wajen kewaye.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "ga kowane abu %1 a cikin jeri %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Ga kowane abu a jeri, saka siffar '%1' zuwa ga abin, sannan a maimaita wasu lambobin.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "Ƙirga da %1 daga %2 zuwa %3 ƙara %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Sami siffar '%1' ta ɗauki kowa ce kima daga lambar da aka fara da ita zuwa lambar da aka ƙare da ita, ana ƙirgawa daga wata tazara da aka fayyace. Maimaita wannan lamba a kowane lokaci:";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Daɗa sharaɗi zuwa idan bulo.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Daɗa na ƙarshe, sharaɗin kama-duk zuwa idan bulo.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Daɗa, cire, ko sake tsarin ɓangarori domin sake fasalin wannan idan bulo.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "wani";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "wani idan";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "idan";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Idan kima gaskiya ce, to a yi wasu maganganu.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Idan kimar gaskiya ce, to a yi bulo na farko na maganganu. Idan ba haka ba, yi bulo na biyu na maganganu.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Idan kimar farko gaskiya ce, to yi bulon farko na maganganun. In ba haka ba, idan kima ta biyu ce gaskiya, yi bolu na biyu na maganganun.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Idan kimar farko gaskiya ce, to yi bulon farko na maganganun. In ba haka ba, idan kima ta biyu ce gaskiya, yi bolu na biyu na maganganun. Idan babu kimar da take gaskiya, yi bulo na ƙarshe na maganganun.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "yi";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "maimaita sau %1";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Yi wasu bayanai sau da dama.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "maimaita har sai";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "maimaita yayin da";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Yayin da wata kima ta zama ƙarya, maimaita wasu lambobi.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Yayin da wata kima ta zama gaskiya, maimaita wasu lambobi.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "A goge duk bululluka %1?";
-Blockly.Msg["DELETE_BLOCK"] = "Goge Bulo";
-Blockly.Msg["DELETE_VARIABLE"] = "A goge siffar '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "A goge amfanunnukan %1 na siffar '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Goge Bulo %1";
-Blockly.Msg["DISABLE_BLOCK"] = "Kashe Bulo";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Yi kwafi";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Kwafi Sharhi";
-Blockly.Msg["ENABLE_BLOCK"] = "Kunna Bulo";
-Blockly.Msg["EXPAND_ALL"] = "Faɗaɗa Bulullaka";
-Blockly.Msg["EXPAND_BLOCK"] = "Faɗaɗa Bulo";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Bayanan Waje";
-Blockly.Msg["HELP"] = "Taimako";
-Blockly.Msg["INLINE_INPUTS"] = "Bayanai na Cikin layi";
-Blockly.Msg["IOS_CANCEL"] = "Soke";
-Blockly.Msg["IOS_ERROR"] = "Kuskure";
-Blockly.Msg["IOS_OK"] = "TO";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Daɗa Bayani";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Bar lamba";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Wannan aikin yana da kwafin bayanai.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "BAYANAI";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Daɗa";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Daɗa Siffa";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Goge";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Ba za ka iya amfani da sunann siffa wanda ba komai ba.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Sake suna";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Sunan siffa";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "ƙirƙiri jeri wanda babu komai";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Ya dawo da jeri, na tsawon 0, wanda bai ƙunshi ajiye bayanai ba";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "jeri";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Daɗa, cire, ko sake tsarin ɓangarori domin sake fasalin wannan bulo.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "ƙirƙiri jeri";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Daɗa wani kaya zuwa jerin.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Ƙiƙiri jeri tare da kowace lamba na kayayyaki.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "farko";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# daga ƙarshe";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "samowa";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "samowa da cirewa";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "ƙarshe";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "bazuwa";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "cire";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Ya dawo da wani abu na farko a cikin jeri.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Ya dawo da abin a wani gurbi da aka fayyace a cikin jeri.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Ya dawo da wani abu na ƙarshe a cikin jeri.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Ya dawo da wani abu a cikin jeri.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Ya cire kuma ya dawo da abin farko a cikin jeri.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Ya cire kuma ya dawo da abin a gurbin da aka fayyace a cikin jeri.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Ya cire kuma ya dawo da abin ƙarshe a cikin jeri.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Ya cire kuma ya dawo abu mai bazuwa a cikin jeri.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Ya cire abin farko a cikin jeri.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Ya cire wani abin a wani gurbi da aka fayyace a cikin jeri.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Ya cire abin ƙarshe a cikin jeri.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Ya cire abu mai bazuwa a cikin jeri.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "zuwa # daga ƙarshe";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "zuwa #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "zuwa ƙarshe";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "sami sashin jeri daga farko";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "sami sashin jeri daga # daga ƙarshe";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "sami sashin jeri daga #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Ƙirƙiri kwafi na ɓangaren da aka fayyace daga wani jeri.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 shine wani abu na ƙarshe.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 shine wani abu na farko.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "nemo afkuwar farko daga wani abu";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "nemo afkuwar ƙarshe daga wani abu";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Ya dawo da jeri na farkon/ƙarshen afkuwa na wani abu a cikin jerin. Ya dawo da %1 idan ba a sami wani abin ba.";
-Blockly.Msg["LISTS_INLIST"] = "a jeri";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 babu komai";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Ya dawo gaskiya idan jerin babu komai.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "tsawo na %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Ya dawo da tsawon wani jeri.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "ƙirƙiri jeri tare da wani abu %1 da aka maimaita sau %2";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Ya ƙirƙiri jeri da ya ƙunshi wata kima da aka bayar da aka maimaita yawan lambar da aka fayyace.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "juya %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Sauya tsarin kwafi daga jeri.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "a matsayin";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "cusa a";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "shirya";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Ya cusa wani abin a farko na jeri.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Ya cusa wani abin a wani gurbi da aka fayyace a cikin jeri.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Ya maƙala wani abin a ƙarshe na jeri.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Cusa wani abu ta hanyar bazawa a cikin jeri.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Ya shirya abin farko a cikin jeri.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Ya shirya wani abin a wani gurbi da aka fayyace a cikin jeri.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Ya shirya abin ƙarshe a cikin jeri.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Ya shirya abu mai bazuwa a cikin jeri.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "hawa";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "sauka";
-Blockly.Msg["LISTS_SORT_TITLE"] = "ware %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Ware kwafi na jeri.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "na haruffa, a=A";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "na lamba";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "na haruffa";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "yi jeri daga rubutu";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "yi rubutu daga jeri";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Haɗa jerin rubututtuka zuwa rubutu guda ɗaya, a raba tare da mai raba rubutu.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Tsaga rubutu zuwa jerin rubututtuka, a karya a kowane mai raba kalmomi.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "tare da mai raba kalmomi";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ƙarya";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Ya koma kodai gaskiya ko ƙarya.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "gaskiya";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Koma gaskiya idan duk bayanan sun yi dai dai da juna.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Koma gaskiya idan bayanin farko ya fi bayani na biyu yawa.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Koma gaskiya idan bayanin farko ya fi ko ya yi dai dai da bayani na biyu.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Koma gaskiya idan bayanin farko ya fi na biyu ƙanƙanta.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Koma gaskiya idan bayanin farko ya fi ƙanƙanta ko dai dai da bayani na biyu.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Koma gaskiya idan duk bayanan ba su yi dai dai da juna ba.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ba %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Koma gaskiya idan bayanin ƙarya ne. Koma ƙarya idan bayanin gaskiya ne.";
-Blockly.Msg["LOGIC_NULL"] = "maras amfani";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Ya koma maras amfani.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "kuma";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ko";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Koma gaskiya idan duk bayanan gaskiya ne.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Koma gaskiya idan a ƙalla ɗayan bayanan gaskiya ne.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "gwaji";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "idan ƙarya ne";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "idan gaskiya ne";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Duba sharaɗin a cikin 'gwaji'. Idan sharaɗin gaskiya ne, mayar da kimar 'idan gaskiya ne'; idan ba haka ba mayar da kimar 'idan ƙarya ne'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Dawo da jumlar lambobin guda biyu.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Dawo da sakamakon lambobin guda biyu bayan an raba su da juna.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Dawo da bambancin lambobin guda biyu.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Dawo da ruɓin lambobin guda biyu.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Dawo da lambar farko wadda aka ɗaga ta zuwa ƙarfin lamba ta biyu.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 na X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Dawo da arctangent na tsinin (X, Y) a gwargwado daga -180 zuwa 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "canza %1 da %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Daɗa wata lamba zuwa siffa '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Dawo da ɗaya daga cikin sanannen zaunannen lissafi: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), ko ∞ (maras iyaka).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "ƙarfi %1 ƙasa %2 sama %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Tsare lamba tsakanin lambobi da aka fayyace masu ƙarama da babbar kima (haɗawa).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "lamba ce da za a iya rabawa da";
-Blockly.Msg["MATH_IS_EVEN"] = "lamba da za a iya rabawa da biyu";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "lamba ce da bata kai sufuli ba";
-Blockly.Msg["MATH_IS_ODD"] = "lamba ce da ba za a iya rabawa da biyu ba";
-Blockly.Msg["MATH_IS_POSITIVE"] = "lamba ce da tafi sufuli";
-Blockly.Msg["MATH_IS_PRIME"] = "lamba ce da kawai za a iya rabawa da kanta";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Duba idan lamba ce da za a iya rabawa da biyu, lamba wadda ba za a iya rabawa da biyu ba, lamba ce kawai da za a iya rabawa da kanta, lamba ce cikakkiya,lamba ce da tafi sufuli, lamba ce da bata kai sufuli ba, lamba ce da za a iya rabawa da wata lamba. Ta dawo da gaskiya ko ƙarya.";
-Blockly.Msg["MATH_IS_WHOLE"] = "lamba ce cikakkiya";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "saura daga raba %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Dawo da saura daga raba lambobin guda biyu.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Lambda.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "Tsaka-tsaki na jeri";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "cikakke na jeri";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "tsakiyar jeri";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "Taƙaicewa na jeri";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "mai yawan bayyana na jeri";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "bazuwar kaya na jeri";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "matakan bambance-bambance na jeri";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "jumlar jeri";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Dawo da tsaka-tsaki (matsakaicin lissafi) na kimar lambobi dake cikin jerin.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Dawo da babbar lamba dake cikin jerin.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Dawo da lambar tsakiya ta cikin jeri.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Dawo da lambobi ƙanana a cikin jerin.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Dawo da jeri na abubuwan da suka fi bayyana a cikin jeri.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Dawo da bazuwar kaya daga jerin.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Dawo da matakan bambance-bambance na jeri.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Dawo da jumlar duk lambobi na cikin jerin.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "ɓangare mai buzuwa";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Dawo da ɓangare mai bazuwa tsakanin 0.0 (haɗawa) da 1.0 (rabewa).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "bazuwar cikakkiyar lamba daga %1 zuwa %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Dawo da bazuwar cikakkiyar lamba tsakanin wani gwargwado da aka fayyace, haɗawa.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "cika";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "cika ƙasa";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "cika sama";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Cika lamba sama ko ƙasa.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "cikakkiya";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "lamba da ta ruɓanya kanta";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Dawo da cikakkiyar kima na wata lamba.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Dawo da e zuwa ƙarfin wata lamba.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Dawo da jerin lambobi da aka tara ko aka ɗebe.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Dawo da tushe 10 na jerin lambobi da aka tara ko aka ɗebe na wata lamba.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Dawo da kishiya na wata lamba.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Dawo da 10 zuwa ƙarfin wata lamba.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Dawo da wata lamba da ta ruɓanya kanta.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Dawo da arccosine na wata lamba.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Dawo da arcsine na wata lamba.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Dawo da arctangent na wata lamba.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Dawo da cosine na wani gwargwado (banda layin kusurwar waje).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Dawo da sine na wani gwargwado (banda layin kusurwar waje).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Dawo da tangent na wani gwargwado (banda layin kusurwar waje).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Ƙirƙiri siffa ta launi...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Ƙirƙiri siffa ta lamba...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Ƙiriƙiri kalmar siffa...";
-Blockly.Msg["NEW_VARIABLE"] = "Ƙirƙiri siffofi...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Sunan sabuwar siffa:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Irin sabuwar siffa:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "ƙyale bayanai";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "tare da:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Gudanar da aiki '%1' wanda mai amfani ya ayyana.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Gudanar da aiki '%1' kuma a yi amfani da sakamakon sa.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "tare da:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Ƙirƙiri '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Kwatanta wannan aiki...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "yi";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "da";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Ya ƙirƙiri wani aiki ba tare da sakamako ba.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "mayar";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Ya ƙirƙiri wani aiki ba tare da wani sakamako ba.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Gardaɗi: Wannan aikin yana da ruɓi na gazawa.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Bayar da haske na bayanin aiki";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Idan wata kima gaskiya ce, to dawo da kima ta biyu.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Gargaɗi: Za a iya amfani da wannan bulo ne kawai a cikin bayani na wani aiki.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "saka suna:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Daɗa wani bayani ga aikin.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "bayani";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Daɗa, cire, ko sake tsarin bayani na wannan aiki.";
-Blockly.Msg["REDO"] = "Sake";
-Blockly.Msg["REMOVE_COMMENT"] = "Cire Sharhi";
-Blockly.Msg["RENAME_VARIABLE"] = "Sake sunan siffa...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Sake sunnan duk siffofi '%1' zuwa:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "zuwa %1 daɗa rubutu %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Daɗa wani rubutu zuwa siffa ta '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "zuwa ƙananan baƙaƙe";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "zuwa Baƙaƙe Dake nuna Suna";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "zuwa MANYAN BAƘAƘE";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "sami harafin farko";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "sami harafin # daga ƙarshe";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "sami harafin #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "sami harafin ƙarshe";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "sami harafi mai bazuwa";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "ta rubutu %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Ya dawo da harafi a gurbi da aka fayyace.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "ƙirga %1 a cikin %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Ƙirga sau nawa wani rubutu ya afku a cikin sauran wasu rubutu.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Daɗa wani kaya zuwa ga rubutun.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "haɗa";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Daɗa, cire, ko sake tsarin ɓangarori domin sake fasalin wannan bulo na rubutu.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "zuwa harafin # daga ƙarshe";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "zuwa harafin #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "zuwa harafi na ƙarshe";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "ta rubutu";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "sami sashin jumla daga harafin farko";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "sami sashin jumla daga harafin # daga ƙarshe";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "sami sashin jumla daga harafin #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Ya dawo da ɓangaren rubutu da aka fayyace.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "nemo afkuwar farko ta rubutu";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "nemo afkuwar ƙarshe ta rubutu";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "ta rubutu %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "nemo a cikin rubutu. Returns %1 if text is not found.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 babu komai";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Ya dawo gaskiya idan rubutun da aka bayar babu komai.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "ƙirƙiri rubutu da";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Ƙirƙiri guntun rubutu ta haɗa kowace lamba ta kayayyaki.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "tsawon %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Ya dawo lamba ta haruffa (da ya haɗa da sarari) a cikin rubutun da aka bayar.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "buga %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Buga rubutun da aka fayyace, lamba ko wata kima.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Samo wani mai amfani domin wata lamba.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Samo wani mai amfani domin wani rubutu.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "samo lamba tare da saƙo";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "samo rubutu tare da saƙo";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "maye gurbin %1 da %2 a cikin %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Maye gurbin duk afkuwa na wani rubutu a cikin wasu rubutu.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "juya %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Ya juya tsari na haruffa a cikin rubutu.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Harafi, kalma, ko layi na rubutu.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "datse sarari daga ɓangarori guda biyu na";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "datse sarari daga ɓangaren hagu na";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "datse sarari daga ɓangaren dama na";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Dawo da kwafin rubutu tare da sauran sarari da aka cire daga ƙarshe ɗaya ko biyu.";
-Blockly.Msg["TODAY"] = "Yau";
-Blockly.Msg["UNDO"] = "Fasa";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "waniabu";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Ƙirƙiri 'set %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Ya dawo da kima na wannan siffa.";
-Blockly.Msg["VARIABLES_SET"] = "saita %1 zuwa %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Ƙirƙiri 'get %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Ya saita wannan siffa ta zama dai dai da bayanin.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Tuni akwai sunnan siffa da aka kira '%1'.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Tuni akwai sunan siffa da aka kira '%1' domin wata iri ta: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Faɗi wani abu...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/he.js b/msg/js/he.js
deleted file mode 100644
index edb31886048..00000000000
--- a/msg/js/he.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "הוסף תגובה";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "אי אפשר למחוק את המשתנה \"%1\", מכיוון שהגדרת הפונקציה \"%2\" משתמשת בו.";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "שנה ערך:";
-Blockly.Msg["CLEAN_UP"] = "סידור בלוקים";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "צמצם קטעי קוד";
-Blockly.Msg["COLLAPSE_BLOCK"] = "צמצם קטע קוד";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "צבע 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "צבע 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "יחס";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "ערבב";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "מערבב שני צבעים יחד עם יחס נתון(0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "http://he.wikipedia.org/wiki/%D7%A6%D7%91%D7%A2";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "בחר צבע מן הצבעים.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "צבע אקראי";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "בחר צבא אקראי.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "כחול";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "ירוק";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "אדום";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "צבע עם";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "צור צבע עם הסכום המצוין של אדום, ירוק וכחול. כל הערכים חייבים להיות בין 0 ל100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "צא מהלולאה";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "המשך עם האיטרציה הבאה של הלולאה";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "צא אל מחוץ ללולאה הכוללת.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "דלג על שאר הלולאה והמשך עם האיטרציה הבאה.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "אזהרה: בלוק זה עשוי לשמש רק בתוך לולאה.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "לכל פריט %1 ברשימה %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "לכל פריט ברשימה, להגדיר את המשתנה '%1' לפריט הזה, ולאחר מכן לעשות כמה פעולות.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "תספור עם %1 מ- %2 ל- %3 עד- %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "תוסיף תנאי לבלוק If.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "לסיום, כל התנאים תקפים לגבי בלוק If.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "תוסיף, תמחק, או תסדר מחדש כדי להגדיר מחדש את הבלוק If.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "אחרת";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "אחרת אם";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "אם";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "אם ערך נכון, לבצע כמה פעולות.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "אם הערך הוא אמת, לבצע את הבלוק הראשון של הפעולות. אחרת, לבצע את הבלוק השני של הפעולות.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "אם הערך הראשון הוא אמת, לבצע את הבלוק הראשון של הפעולות. אחרת, אם הערך השני הוא אמת, לבצע את הבלוק השני של הפעולות.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "אם הערך הראשון הוא אמת, לבצע את הבלוק הראשון של הפעולות. אחרת, אם הערך השני הוא אמת, לבצע את הבלוק השני של הפעולות. אם אף אחד מהם אינו נכון, לבצע את הבלוק האחרון של הפעולות.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "http://he.wikipedia.org/wiki/בקרת_זרימה";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "תעשה";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "חזור על הפעולה %1 פעמים";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "לעשות כמה פעולות מספר פעמים.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "חזור עד ש...";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "חזור כל עוד";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "בזמן שהערך שווה לשגוי, תעשה מספר חישובים.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "כל עוד הערך הוא אמת, לעשות כמה פעולות.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "האם למחוק את כל %1 קטעי הקוד?";
-Blockly.Msg["DELETE_BLOCK"] = "מחק קטע קוד";
-Blockly.Msg["DELETE_VARIABLE"] = "מחק את משתנה ה'%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "למחוק %1 שימושים במשתנה ‚%2’?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "מחק %1 קטעי קוד";
-Blockly.Msg["DISABLE_BLOCK"] = "נטרל קטע קוד";
-Blockly.Msg["DUPLICATE_BLOCK"] = "שכפל";
-Blockly.Msg["DUPLICATE_COMMENT"] = "שכפול ההערה";
-Blockly.Msg["ENABLE_BLOCK"] = "הפעל קטע קוד";
-Blockly.Msg["EXPAND_ALL"] = "הרחב קטעי קוד";
-Blockly.Msg["EXPAND_BLOCK"] = "הרחב קטע קוד";
-Blockly.Msg["EXTERNAL_INPUTS"] = "קלטים חיצוניים";
-Blockly.Msg["HELP"] = "עזרה";
-Blockly.Msg["INLINE_INPUTS"] = "קלטים פנימיים";
-Blockly.Msg["IOS_CANCEL"] = "ביטול";
-Blockly.Msg["IOS_ERROR"] = "שגיאה";
-Blockly.Msg["IOS_OK"] = "אישור";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ הוספת קלט";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "לאפשר פעולות";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "לפונקציה יש קלטים כפולים.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "קלטים";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "הוספה";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ הוספת משתנה";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "מחיקה";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "לא ניתן להזין שם ריק למשתנה.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "שינוי שם";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "שם המשתנה";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "צור רשימה ריקה";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "החזר רשימה,באורך 0, המכילה רשומות נתונים";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "רשימה";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "תוסיף, תמחק, או תסדר מחדש כדי להגדיר מחדש את הבלוק If.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "צור רשימה עם";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "הוסף פריט לרשימה.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "צור רשימה עם כל מספר של פריטים.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "ראשון";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# מהסוף";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "לקבל";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "קבל ומחק";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "אחרון";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "אקראי";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "הסרה";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "מחזיר את הפריט הראשון ברשימה.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "מחזיר פריט במיקום שצוין ברשימה.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "מחזיר את הפריט האחרון ברשימה.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "מחזיר פריט אקראי מהרשימה.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "מסיר ומחזיר את הפריט הראשון ברשימה.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "מסיר ומחזיר את הפריט במיקום שצוין ברשימה.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "מסיר ומחזיר את הפריט האחרון ברשימה.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "מחק והחזר פריט אקראי מהרשימה.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "הסר את הפריט הראשון ברשימה.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "מחזיר פריט במיקום שצוין ברשימה.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "הסר את הפריט הראשון ברשימה.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "הסר פריט אקראי ברשימה.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "ל # מהסוף";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "ל #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "לאחרון";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "לקבל חלק מהרשימה החל מהתחלה";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "לקבל חלק מהרשימה החל מ-# עד הסוף";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "לקבל חלק מהרשימה החל מ-#";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "יוצרת עותק של חלק מסוים מהרשימה.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 הוא הפריט האחרון.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 הוא הפריט הראשון.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "מחזירה את המיקום הראשון של פריט ברשימה";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "מחזירה את המיקום האחרון של פריט ברשימה";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "מחזירה את האינדקס של המופע הראשון/האחרון של הפריט ברשימה.  מחזירה %1 אם הפריט אינו נמצא.";
-Blockly.Msg["LISTS_INLIST"] = "ברשימה";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 הוא ריק";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "מחזיר אמת אם הרשימה ריקה.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "אורכו של %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "מחזירה את האורך של רשימה.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "ליצור רשימה עם הפריט %1 %2 פעמים";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "יוצר רשימה המורכבת מהערך נתון חוזר מספר פעמים שצוין.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "כמו";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "הכנס ב";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "הגדר";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "מכניס את הפריט בתחילת רשימה.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "מכניס את הפריט במיקום שצוין ברשימה.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "מוסיף את הפריט בסוף רשימה.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "הוסף פריט באופן אקראי ברשימה.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "מגדיר את הפריט הראשון ברשימה.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "מגדיר את הפריט במיקום שצוין ברשימה.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "מגדיר את הפריט האחרון ברשימה.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "מגדיר פריט אקראי ברשימה.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "סדר עולה";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "סדר יורד";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "מיון עותק של הרשימה.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "סדר אלפביתי, לא תלוי רישיות";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "נומרי";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "סדר אלפביתי";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "יצירת רשימה מטקסט";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "יצירת טקסט מרשימה";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "שגוי";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "מחזיר או האם נכון או האם שגוי.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "נכון";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "תחזיר נכון אם שני הקלטים שווים אחד לשני.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "תחזיר נכון אם הקלט הראשון גדול יותר מהקלט השני.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "תחזיר נכון אם הקלט הראשון גדול יותר או שווה לכניסה השנייה.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "תחזיר אמת (true) אם הקלט הראשון הוא קטן יותר מאשר הקלט השני.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "תחזיר אמת אם הקלט הראשון הוא קטן יותר או שווה לקלט השני.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "תחזיר אמת אם שני הקלטים אינם שווים זה לזה.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "לא %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "החזר אמת אם הקלט הוא שקר. החזר שקר אם הקלט אמת.";
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "תחזיר ריק.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "ו";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "או";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "תחזיר נכון אם שני הקלטים נכונים.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "תחזיר נכון אם מתקיים לפחות אחד מהקלטים נכונים.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "בדיקה";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "אם שגוי";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "אם נכון";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "בדוק את התנאי ב'מבחן'. אם התנאי נכון, תחזיר את הערך 'אם נכון'; אחרת תחזיר את הערך 'אם שגוי'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://he.wikipedia.org/wiki/ארבע_פעולות_החשבון";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "תחזיר את סכום שני המספרים.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "החזרת המנה של שני המספרים.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "החזרת ההפרש בין שני מספרים.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "החזרת תוצאת הכפל בין שני מספרים.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "החזרת המספר הראשון בחזקת המספר השני.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "שינוי %1 על־ידי %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "הוסף מספר למשתנה '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://he.wikipedia.org/wiki/קבוע_מתמטי";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "החזרת אחד מהקבועים המקובלים: π (3.141…),‏ e (2.718…),‏ φ (1.618…),‏ sqrt(2) (1.414…),‏ sqrt(½) (0.707…)‏ או ∞ (אינסוף).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "הגבל %1 בין %2 ל %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "הגבלת מספר כך שיהיה בין המגבלות שמוגדרות (כולל).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "מתחלק ב";
-Blockly.Msg["MATH_IS_EVEN"] = "זוגי";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "שלילי";
-Blockly.Msg["MATH_IS_ODD"] = "אי-זוגי";
-Blockly.Msg["MATH_IS_POSITIVE"] = "חיובי";
-Blockly.Msg["MATH_IS_PRIME"] = "ראשוני";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "בדיקה האם מספר הוא זוגי, אי־זוגי, ראשוני, שלם, חיובי, שלילי או אם ניתן לחלק אותו במספר כלשהו. מחזירה אמת או שקר.";
-Blockly.Msg["MATH_IS_WHOLE"] = "שלם";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://he.wikipedia.org/wiki/חשבון_מודולרי";
-Blockly.Msg["MATH_MODULO_TITLE"] = "שארית החילוק %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "החזרת השארית מחלוקת שני המספרים.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://he.wikipedia.org/wiki/מספר_ממשי";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "מספר.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "ממוצע של רשימה";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "מקסימום של רשימה";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "חציון של רשימה";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "מינימום של רשימה";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "שכיחי הרשימה";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "פריט אקראי מרשימה";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "סטיית תקן של רשימה";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "סכום של רשימה";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "החזרת הממוצע (ממוצע חשבוני) של הערכים המספריים שברשימה.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "תחזיר את המספר הגדול ביותר ברשימה.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "תחזיר את המספר החיצוני ביותר ברשימה.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "תחזיר את המספר הקטן ביותר ברשימה.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "החזרת רשימה של הפריטים הנפוצים ביותר ברשימה";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "תחזיר רכיב אקראי מרשימה.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "מחזיר את סטיית התקן של הרשימה.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "החזרת הסכום של המספרים ברשימה.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "שבר אקראי";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://he.wikipedia.org/wiki/מחולל_מספרים_אקראיים";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "מספר שלם אקראי בין %1 ל-%2 (כולל)";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "החזרת מספר שלם, חיובי ואקראי בין שני הגבולות שהוגדרו, כולל.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://he.wikipedia.org/wiki/עיגול_(אריתמטיקה)";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "עיגול";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "עיגול למטה";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "עיגול למעלה";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "עיגול מספר למעלה או למטה.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://he.wikipedia.org/wiki/שורש_ריבועי";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "ערך מוחלט";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "שורש ריבועי";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "החזרת הערך המוחלט של מספר.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "החזרת e בחזקת מספר.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "החזרת הלוגריתם הטבעי של מספר.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "החזרת הלוגריתם לפי בסיס עשר של מספר.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "החזרת הערך הנגדי של מספר.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "החזרת 10 בחזקת מספר.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "החזרת השורש הריבועי של מספר.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://he.wikipedia.org/wiki/פונקציות_טריגונומטריות";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "החזרת הארק-קוסינוס של מספר.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "החזרת הארק-סינוס של מספר.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "החזרת הארק-טנגנס של מספר.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "החזרת הקוסינוס של מעלה (לא רדיאן).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "החזרת הסינוס של מעלה (לא רדיאן).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "החזרת הטנגס של מעלה (לא רדיאן).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "יצירת משתנה צבע...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "צור משתנה מחרוזת";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "צור משתנה מחרוזת";
-Blockly.Msg["NEW_VARIABLE"] = "צור משתנה...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "שם המשתנה החדש:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "סוג המשתנה החדש:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "לאפשר פעולות";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "עם:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://he.wikipedia.org/wiki/שגרה_(תכנות)";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "להפעיל את הפונקציה המוגדרת על-ידי המשתמש '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://he.wikipedia.org/wiki/שגרה_(תכנות)";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "להפעיל את הפונקציה המוגדרת על-ידי המשתמש '%1' ולהשתמש הפלט שלה.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "עם:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "ליצור '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "תאר את הפונקציה הזאת...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "לעשות משהו";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "לביצוע:";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "יצירת פונקציה ללא פלט.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "להחזיר";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "יצירת פונקציה עם פלט.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "אזהרה: לפונקציה זו יש פרמטרים כפולים.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "הדגש הגדרה של פונקציה";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "אם ערך נכון, אז להחזיר ערך שני.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "אזהרה: בלוק זה עשוי לשמש רק בתוך הגדרה של פונקציה.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "שם הקלט:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "הוסף קלט לפונקציה";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "מקורות קלט";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "הוסף, הסר או סדר מחדש קלטים לפונקציה זו";
-Blockly.Msg["REDO"] = "ביצוע חוזר";
-Blockly.Msg["REMOVE_COMMENT"] = "הסר תגובה";
-Blockly.Msg["RENAME_VARIABLE"] = "שנה את שם המשתנה...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "שנה את שם כל '%1' המשתנים ל:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "אל %1 הוספת טקסט %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "הוספת טקסט למשתנה ‚%1’.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "לאותיות קטנות (עבור טקסט באנגלית)";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "לאותיות גדולות בתחילת כל מילה (עבור טקסט באנגלית)";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "לאותיות גדולות (עבור טקסט באנגלית)";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "החזרת עותק של הטקסט בשינוי רישיות.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "לקבל את האות הראשונה";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "קבלת אות מס׳ מהסוף";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "קבלת אות מס׳";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "לקבל את האות האחרונה";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "לקבל אות אקראית";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "בטקסט %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "מחזיר את האות במיקום שהוגדר.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "הוספת פריט לטקסט.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "צירוף";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "לאות # מהסוף";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "לאות #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "עד האות האחרונה";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "בתוך הטקסט";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "קבלת תת־מחרוזת מהאות הראשונה";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "קבלת מחרוזת מאות מס׳ מהסוף";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "קבלת תת־מחרוזת מאות מס׳";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "החזרת קטע מסוים מהטקסט.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "איתור המופע הראשון של טקסט";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "איתור המופע האחרון של טקסט";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "בטקסט %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "מחזירה את האינדקס של המופע הראשון/האחרון בטקסט הראשון לתוך הטקסט השני. מחזירה %1 אם הטקסט אינו נמצא.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 הוא ריק";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "מחזירה אמת אם הטקסט שצוין ריק.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "יצירת טקסט עם";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "אורכו של %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "מחזיר את מספר התווים (אותיות, רווחים וכו') בטקסט שהוזן.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "הדפס %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "להדפיס טקסט, מספר או ערך אחר שצוין";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "בקש מהמשתמש מספר.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "בקשה למשתמש להזין טקסט כלשהו.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "בקשה למספר עם הודעה";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "בקשה להזנת טקסט עם הודעה";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://he.wikipedia.org/wiki/מחרוזת_(מדעי_המחשב)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "אות, מילה, או שורת טקסט.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "למחוק רווחים משני הקצוות";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "למחוק רווחים מימין";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "למחוק רווחים משמאל";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "להחזיר עותק של הטקסט לאחר מחיקת רווחים מאחד או משני הקצוות.";
-Blockly.Msg["TODAY"] = "היום";
-Blockly.Msg["UNDO"] = "ביטול";
-Blockly.Msg["UNNAMED_KEY"] = "ללא שם";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "פריט";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "ליצור 'הגדר %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "להחזיר את הערך של משתנה זה.";
-Blockly.Msg["VARIABLES_SET"] = "הגדר %1 ל- %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "ליצור 'קרא %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "מגדיר משתנה זה להיות שווה לקלט.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "קיים כבר משתנה בשם \"%1\".";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "קיים כבר משתנה בשם \"%1\" מסוג אחר: \"%2\"";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "סביבת העבודה חסומה";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "נא להזין הערה...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/hi.js b/msg/js/hi.js
deleted file mode 100644
index 4d02ef43d92..00000000000
--- a/msg/js/hi.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "टिप्पणी छोड़ें";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "चर '%1' को नहीं हटा सकता क्योंकि यह फ़ंक्शन '%2' की परिभाषा का हिस्सा है";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "मान परिवर्तित करें:";
-Blockly.Msg["CLEAN_UP"] = "खानों को साफ करें";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "ब्लॉक संक्षिप्त करें";
-Blockly.Msg["COLLAPSE_BLOCK"] = "ब्लॉक को संक्षिप्त करें";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "रंग 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "रंग 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "अनुपात";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "मिश्रण करें";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "दिए गए अनुपात (0.0 - 1.0) के साथ दो रंगों का मिश्रण करता है।";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "पैलेट से एक रंग चुनें।";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "कोई भी रंग";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "कोई भी एक रंग का चयन करें।";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "नीला";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "हरा";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "लाल";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "इसके साथ रंग करें";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "लाल, हरा और नीले की निर्दिष्ट मात्रा के साथ एक रंग बनायें। सभी मान ० से १०० के बीच होने चाहिए।";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "फंदे से बाहर निकलें";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "फंदे की अगली यात्रा के साथ जारी रखें";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "भीतरी फंदे से बाहर निकलें।";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "बाकी बचे फंदे को छोड़ें, और अगली यात्रा जारी रखें।";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "सावधान: ये ब्लॉक केवल लूप के अंदर इस्तेमाल किया जा सकता है।";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "प्रत्येक वस्तु के लिए %1 सूची में %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "सूची के प्रत्येक वस्तु के लिए, वस्तु में चर का मान '%1' रखें और बाद में कुछ कथन लिखें।";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "%1 से %2 से %3 तक %4 के साथ गिनती करें";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "क्या चर '%1' प्रारंभ संख्या से अंत संख्या तक मानों को लेता है, निर्दिष्ट अंतराल के अनुसार गिनती करता है, और निर्दिष्ट रुकावटों को करता है।";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "एक शर्त जोड़ें यदि ब्लॉक है।";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "यदि ब्लॉक है तो इसके लिए एक अंतिम, कैच-सभी स्थिति जोड़ें।";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "भाग को समनरूप बनाने के लिए जोङें, हटाएं, या पुनः व्यवस्थित करें यदि यह बंद है।";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "अन्य";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "यदि अन्य";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "यदि";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "यदी मान सही है, तो कुछ विवरण चलाएँ।";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "यदि एक मान सत्य है तो कथनों का प्रथम खण्ड बनायें। अन्यथा कथनों का दूसरा भाग निर्मित करें।";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "यदि पहले मान सही है, तो बयानों का पहला खंड करें। अन्यथा, यदि दूसरा मान सत्य है, तो बयानों का दूसरा खंड करें।";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "यदि पहला मान सही है, तो बयानों का पहला खंड करें। अन्यथा, यदि दूसरा मान सत्य है, तो बयानों का दूसरा खंड करें। यदि कोई भी मान सही नहीं है, तो बयानों का अंतिम खंड करें।";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "करें";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 बार दोहराएँ";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "कुछ विवरण कई बार चलाएँ।";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "दोहराएँ जब तक";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "दोहराएँ जब कि";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "जब तक मान गलत है, तब तक कुछ विवरण चलाएँ।";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "जब तक मान सही है, तब तक कुछ विवरण चलाएँ।";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "सभी %1 खानों को हटा दें?";
-Blockly.Msg["DELETE_BLOCK"] = "ब्लॉक हटाएँ";
-Blockly.Msg["DELETE_VARIABLE"] = "'%1' चर को हटाएँ";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "'%2' चर के %1 उपयोग को हटाएँ?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 ब्लॉक हटाएँ";
-Blockly.Msg["DISABLE_BLOCK"] = "ब्लॉक को अक्षम करें";
-Blockly.Msg["DUPLICATE_BLOCK"] = "कॉपी करें";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "ब्लॉक को सक्षम करें";
-Blockly.Msg["EXPAND_ALL"] = "ब्लॉक विस्तार करें";
-Blockly.Msg["EXPAND_BLOCK"] = "ब्लॉक का विस्तार करें";
-Blockly.Msg["EXTERNAL_INPUTS"] = "बाहरी इनपुट";
-Blockly.Msg["HELP"] = "सहायता";
-Blockly.Msg["INLINE_INPUTS"] = "इनलाइन इनपुट";
-Blockly.Msg["IOS_CANCEL"] = "रद्द करें";
-Blockly.Msg["IOS_ERROR"] = "त्रुटि";
-Blockly.Msg["IOS_OK"] = "ठीक है";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ इनपुट जोड़ें";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "बयानों की अनुमति दें";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "इस फंक्शन में नकली निवेश हैं।";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "इनपुट";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "जोड़ें";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ चर जोड़ें";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "हटाएँ";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "आप रिक्त चर नाम उपयोग नहीं कर सकते";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "नाम बदलें";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "चर का नाम";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "खाली सूची बनाएँ";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "0 लंबाई की, कोई भी डेटा ना रखने वाली एक सूची लौटती है";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "सूची";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "इस सूची ब्लॉक को पुन: आकार देने के लिए वर्गों को जोड़ें, निकालें, या पुन: क्रमित करें।";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "इसके सूची बनाएँ";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "सूची मे एक आइटम जोड़ें।";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "कितने भी आइटम वाली एक सूची बनाएँ।";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "पहला";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "अंत से #";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "प्राप्त";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "प्राप्त करे और हटाए";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "आखिरी";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "रैन्डम";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "निकालें";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "सूची का पहला आइटम रिटर्न करता है।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "एक सूची में निर्दिष्ट स्थान पर वस्तु को लौटाता है।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "सूची का आखरी आइटम रिटर्न करता है।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "सूची से रैन्डम आइटम रिटर्न करता है।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "सूची का पहला आइटम निकालता है और रिटर्न करता है।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "एक सूची में निर्दिष्ट स्थिति में आइटम निकालता है और लौटाता है।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "सूची का आखरी आइटम निकालता है और रिटर्न करता है।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "सूची से रैन्डम आइटम निकालता है और रिटर्न करता है।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "सूची का पहला आइटम निकालता है।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "एक सूची में निर्दिष्ट स्थान पर आइटम निकाल देता है।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "सूची का आखरी आइटम निकालता है।";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "सूची से रैन्डम आइटम निकालता है।";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "अंतिम से # को";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "# को";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "अंत से";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "प्रथम से उप-सूची प्राप्त करें";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "अंत से # से उप-सूची प्राप्त करें";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "# से उप-सूची प्राप्त करें";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "सूची के बताए गये भाग की कॉपी बनता है।";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 आखिरी वस्तु है।";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 पहली वस्तु है।";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "आइटम पहली बार जहाँ आया है उसे ढूढ़े";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "आइटम आखरी बार जहाँ आया है उसे ढूढ़े";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "सूची में आइटम की पहली/अंतिम घटना का सूचक देता है। यदि आइटम नहीं मिला है तो %1 रिटर्न होता है।";
-Blockly.Msg["LISTS_INLIST"] = "सूची में";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 खाली है";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "यदि सूची खाली है तो ट्रू रिटर्न करता है।";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1 की लंबाई";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "सूची की लंबाई रिटर्न करता है।";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "वस्तु %1 के साथ %2 बार दोहराई गयी सूची बनाएं";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "निर्धारित मान की बार-बार दोहराई गई एक सूची बनाता है।";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "%1 को बदल दें";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "एक सूची की एक प्रति को छांटे।";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "बतौर";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "पर डालें";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "सैट करें";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "आइटम को सूची के शुरू में इनसर्ट करता है।";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "सूची मे बताए गये स्थान में आइटम इनसर्ट करता है।";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "आइटम को सूची के अंत में जोड़ता है।";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "आइटम को सूची में रैन्डम्ली इनसर्ट करता है।";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "सूची में पहला आइटम सैट करता है।";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "सूची मे बताए गये स्थान में आइटम सैट करता है।";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "सूची में आखरी आइटम सैट करता है।";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "सूची में रैन्डम आइटम सैट करता है।";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "बढ़ते क्रम";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "बढ़ते क्रम में";
-Blockly.Msg["LISTS_SORT_TITLE"] = "%1 %2 %3 को छांटे";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "एक सूची की एक प्रति को छांटे।";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "वर्णक्रमानुसार, मामले की अनदेखी करें";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "अंकीय";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "वर्णक्रमानुसार";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "पाठ से एक सूची बनाएं";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "सूची से एक पाठ बनाएं";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "ग्रंथों की एक सूची में शामिल करें, जो एक सीमांकक से अलग हो।";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "ग्रंथों की सूची में पाठ को विभाजित करें, प्रत्येक सीमांकक पर तोड़कर।";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "सीमांकक के साथ";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "गलत";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "ट्रू या फॉल्स रिटर्न करता है।";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "सही";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "ट्रू रिटर्न करें यदि दोनो इनपुट इक दूसरे के बराबर हों।";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "ट्रू रिटर्न करें यदि पहला इनपुट दूसरे इनपुट से बड़ा हो।";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "ट्रू रिटर्न करें यदि पहला इनपुट दूसरे इनपुट से बड़ा हो या बराबर हो।";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "ट्रू रिटर्न करें यदि पहला इनपुट दूसरे इनपुट से छोटा हो।";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "ट्रू रिटर्न करें यदि पहला इनपुट दूसरे इनपुट से छोटा हो या बराबर हो।";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "ट्रू रिटर्न करें यदि दोनो इनपुट इक दूसरे के बराबर नहीं हों।";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "NOT (पूरक) %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "ट्रू रिटर्न करता है यदि इनपुट फॉल्स है। फॉल्स रिटर्न करता है यदि इनपुट ट्रू है।";
-Blockly.Msg["LOGIC_NULL"] = "NULL (अमान्य)";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "null (अमान्य) रिटर्न करता है।";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "AND (तथा)";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "OR (अथवा)";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "ट्रू रिटर्न करें यदि दोनो इनपुट ट्रू हों।";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "ट्रू रिटर्न करें यदि दोनो मे से इक इनपुट ट्रू हो।";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "टेस्ट";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "यदि गलत है";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "यदि सही है";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "'परीक्षण' में हालत की जांच करें। यदि स्थिति सही है, तो 'सच' मान लौटाता है; अन्यथा वापस लौटता 'अगर झूठा'मान देता है।";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "दो संख्याओं का योग रिटर्न करें।";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "दो संख्याओं का भागफल रिटर्न करें।";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "दो संख्याओं का अंतर रिटर्न करें।";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "दो संख्याओं का गुणन रिटर्न करें।";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "दूसरे नंबर की शक्ति को उठाए गए पहले नंबर पर लौटें";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "%1 को %2 से बदलें";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "संख्या को चर '%1' से जोड़ें।";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "सामान्य स्थिरांक में से एक को वापस लौटें:π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity)।";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "%1 कम %2 उच्च %3 बाधित करें";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "एक संख्या को निर्दिष्ट सीमा (सम्मिलित) के बीच बाधित करें।";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "इसके द्वारा विभाज्य है";
-Blockly.Msg["MATH_IS_EVEN"] = "सम है";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "ऋणात्मक है";
-Blockly.Msg["MATH_IS_ODD"] = "विषम है";
-Blockly.Msg["MATH_IS_POSITIVE"] = "धनात्मक है";
-Blockly.Msg["MATH_IS_PRIME"] = "अभाज्य है";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "जांचें कि क्या कोई संख्या एक सम, विषम, मुख्य, संपूर्ण, सकारात्मक, नकारात्मक है या यदि वह निश्चित संख्या से विभाजित है। वास्तविक या गलत रिटर्न देता है।";
-Blockly.Msg["MATH_IS_WHOLE"] = "पूर्णांक है";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "%1 ÷ %2 का शेषफल";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "दो संख्याओं के भाग का शेषफल रिटर्न करें।";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "एक संख्या।";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "सूची का औसत मान";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "सूची मे अधिकतम";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "सूची की माध्यिका";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "सूची मे न्यूनतम";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "सूची का मोड";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "सूची का रैन्डम आइटम";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "सूची का मानक विचलन";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "सूची का योग";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "सूची में संख्यात्मक मानों का औसत (अंकगणित माध्य) लौटें।";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "सूची में सबसे बड़ी संख्या रिटर्न करें।";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "सूची की माध्यिका संख्या रिटर्न करें।";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "सूची मे सबसे छोटी संख्या रिटर्न करें।";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "सूची मे सबसे आम आइटम(s) की सूची रिटर्न करें।";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "सूची से एक रैन्डम आइटम रिटर्न करें।";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "सूची का मानक विचलन रिटर्न करें।";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "सूची की सभी संख्याओं का योग रिटर्न करें।";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "रैन्डम अंश";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "0.0 (समावेशी) और 1.0 (विशिष्ट) के बीच एक यादृच्छिक अंश पर लौटें।";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "%1 से %2 तक रैन्डम पूर्णांक";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "दो निर्दिष्ट सीमाओं, समावेशी के बीच एक यादृच्छिक पूर्णांक लौटें।";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "पूर्णांक बनाएँ";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "घटा के पूर्णांक बनाएँ";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "बड़ा के पूर्णांक बनाएँ";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "संख्या को बड़ा या घटा के पूर्णांक बनाएँ।";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "परम";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "वर्गमूल";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "संख्या का परम मान रिटर्न करें।";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "किसी संख्या की शक्ति को वापस ई करें।";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "संख्या का प्राकृतिक लघुगणक रिटर्न करें।";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "संख्या का मूल 10 लघुगणक रिटर्न करें।";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "संख्या का निषेध मान रिटर्न करें।";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "किसी संख्या की शक्ति पर 10 लौटें।";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "संख्या का वर्गमूल रिटर्न करें।";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "संख्या का आर्ककोसाइन रिटर्न करें।";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "संख्या का आर्कसाइन रिटर्न करें।";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "संख्या का आर्कटैन्जन्ट रिटर्न करें।";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "डिग्री का कोसाइन रिटर्न करें (रेडियन नही)";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "डिग्री का साइन रिटर्न करें (रेडियन नही)";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "डिग्री का टैन्जन्ट रिटर्न करें (रेडियन नही)";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "रंग चर बनाएँ...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "संख्या चर बनायें...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "लड़ी चर बनायें...";
-Blockly.Msg["NEW_VARIABLE"] = "चर बनाएँ...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "नए चर का नाम:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "नए चर का नाम:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "बयानों की अनुमति दें";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = ": के साथ";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "यूज़र द्वारा वर्णन किया गया फ़ंक्शन '%1' चलाएँ।";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "यूज़र द्वारा वर्णन किया गया फ़ंक्शन '%1' चलाएँ और उसका आउटपुट इस्तेमाल करें।";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = ": के साथ";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "'%1' बनाएँ";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "इस फंकशन को समझाएँ...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "कुछ करें";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "को";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "बिना आउटपुट वाला एक फ़ंक्शन बनाता है।";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "वापस आएं";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "आउटपुट वाला एक फ़ंक्शन बनाता है।";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "सावधान: इस फ़ंक्शन मे डुप्लिकेट पैरामीटर हैं।";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "फ़ंक्शन परिभाषा को हाइलाइट करें";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "यदि एक मान ट्रू है तो, दूसरा मान रिटर्न करें।";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "सावधान: ये ब्लॉक फ़ंक्शन परिभाषा के अंदर ही इस्तेमाल किया जा सकता।";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "इनपुट का नाम:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "फंगक्शन को इनपुट प्रदान करें।";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "इनपुट";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "इस फ़ंक्शन में इनपुट जोड़ें, निकालें, या पुन: क्रमित करें।";
-Blockly.Msg["REDO"] = "फिर से करें";
-Blockly.Msg["REMOVE_COMMENT"] = "टिप्पणी हटायें";
-Blockly.Msg["RENAME_VARIABLE"] = "चर का नाम बदलें...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "सभी '%1' चरों के नाम बदलें:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "%1 में पाठ %2 को जोड़ें";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "कुछ टेक्स्ट इस चर '%1' से जोड़ें।";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "छोटे अक्षर मे";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "टाइटल केस मे";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "बड़े अक्षर मे";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "टेक्स्ट की कॉपी भिन्न केस (अक्षर से संबंधित) मे रिटर्न करें।";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "पहला अक्षर पाएँ";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "आखिर से अक्षर # पाएँ";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "अक्षर # पाएँ";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "आखरी अक्षर पाएँ";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "रैन्डम अक्षर पाएँ";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "पाठ %1 %2 में";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "बताई गयी जगह से अक्षर रिटर्न करता है";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "%1 को %2 में गिने";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "गिने, कितनी बार कुछ पाठ कुछ अन्य पाठ के अंदर समाहित होता है।";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "सूची मे एक आइटम जोड़ें।";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "जोड़";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "भाग को समनरूप बनाने के लिए जोङें, हटाएं, या पुनः व्यवस्थित करें यदि यह बंद है।";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "आखिर से यहाँ तक अक्षर #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "यहाँ तक अक्षर #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "यहाँ तक आखरी अक्षर";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "इस टेक्स्ट मे";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "पहले अक्षर से सबस्ट्रिंग पाएँ";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "आखरी अक्षर # से सबस्ट्रिंग पाएँ";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "अक्षर # से सबस्ट्रिंग पाएँ";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "टेक्स्ट का बताया गया अंश रिटर्न करता है";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "टेक्स्ट पहली बार जहाँ आया है उसे ढूढ़े";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "टेक्स्ट आखरी बार जहाँ आया है उसे ढूढ़े";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "पाठ %1 %2 %3 में";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "दूसरे पाठ में पहले पाठ की पहली/अंतिम घटना का सूचक देता है। यदि पाठ नहीं मिला है तो %1 रिटर्न होता है।";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 खाली है";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "ट्रू रिटर्न करता है यदि दिया गया टेक्स्ट खाली है।";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "इसके साथ टेक्स्ट बनाएँ";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "किसी भी संख्या के मदों को एक साथ जोड़ कर पाठ का एक टुकड़ा बनाएं।";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1 की लंबाई";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "दिए गये टेक्स्ट मे अक्षरों की संख्या रिटर्न करता है (खाली स्थान मिला के)।";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "प्रिंट करें %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "दिया गया टेक्स्ट प्रिंट करें, संख्या या अन्य मान।";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "यूज़र से संख्या के लिए प्रॉम्प्ट करें।";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "यूज़र से कुछ टेक्स्ट के लिए प्रॉम्प्ट करें।";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "सूचना के साथ संख्या के लिए प्रॉम्प्ट करें";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "सूचना के साथ टेक्स्ट के लिए प्रॉम्प्ट करें";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "%1 को %2 के साथ %3 में बदलें";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "कुछ अन्य पाठ के अंदर कुछ पाठ की सभी जगहों को बदलें।";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "%1 को बदल दें";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "पाठ में वर्णों के क्रम को उलट देता है।";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "एक अक्षर, शब्द, या टेक्स्ट की पंक्ति।";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "रिक्त स्थान को इस टेक्स्ट के दोनों तरफ से निकालें";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "रिक्त स्थान को इस टेक्स्ट के बायें तरफ से निकालें";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "रिक्त स्थान को इस टेक्स्ट के दाईं तरफ से निकालें";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "एक या दोनों सिरों से हटाए गए रिक्त स्थान के साथ पाठ की एक प्रति लौटाएं।";
-Blockly.Msg["TODAY"] = "आज";
-Blockly.Msg["UNDO"] = "पूर्ववत करें";
-Blockly.Msg["UNNAMED_KEY"] = "अज्ञात";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "वस्तु";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "सेट '%1' बनाएँ";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "इस चर का मान रिटर्न करता है।";
-Blockly.Msg["VARIABLES_SET"] = "सेट करें %1 को %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "'प्राप्त करें %1' बनाएं";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "इस चर को इनपुट के बराबर सेट करता है।";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "प्राचल नाम '%1' पहले से मौजूद है।";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "'%1' नाम का एक चर पहले से '%2' प्रकार के अन्य चर के लिए मौजूद है।";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/hrx.js b/msg/js/hrx.js
deleted file mode 100644
index 0c71bab86f9..00000000000
--- a/msg/js/hrx.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Kommentar hinzufüche";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Neie Variable...";
-Blockly.Msg["CLEAN_UP"] = "Clean up Blocks";  // untranslated
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Blocke zusammerfalte";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Block zusammerfalte";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "Farreb 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "mit Farreb 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "im Verhältniss";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "misch";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Vermischt 2 Farwe mit konfigurierbare Farrebverhältniss (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://hrx.wikipedia.org/wiki/Farreb";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Wähl en Farreb von der Palett.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "zufälliche Farwe";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Wähl en Farreb noh dem Zufallsprinzip.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blau";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "grün";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "rot";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "Färreb mit";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Kreiere ene Farreb mit sellrbst definierte rot, grün und blau Wearte. All Wearte müsse zwischich 0 und 100 liehe.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "ausbreche aus der Schleif";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "mit der nächste Iteration fortfoohre aus der Schleifa";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Die umgebne Schleif beenne.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Die Oonweisung abbreche und mit der nächste Schleifiteration fortfoohre.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warnung: Die block sollt nuar in en Schleif verwennet sin.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "Für Weart %1 aus der List %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Füahr en Oonweisung für jede Weart in der List aus und setzt dabei die Variable \"%1\" uff den aktuelle List Weart.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "Zähl %1 von %2 bis %3 mit %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Zähl die Variable \"%1\" von enem Startweart bis zu enem Zielweart und füahrefür jede Weart en Oonweisung aus.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "En weitre Bedingung hinzufüche.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "En orrer Bedingung hinzufüche, füahrt en Oonweisung aus falls ken Bedingung zutrifft.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Hinzufüche, entferne orrer sortiere von Sektione";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "orrer";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "orrer wenn";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "wenn";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Wenn en Bedingung woahr (true) ist, dann füahr en Oonweisung aus.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Wenn en Bedingung woahr (true) ist, dann füahr die earscht Oonweisung aus.  Ansonscht füahr die zwooite Oonweisung aus.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Wenn der erschte Bedingung woahr (true) ist, dann füahr die erschte Oonweisung aus.  Orrer wenn die zwooite Bedingung woahr (true) ist, dann füahr die zwooite Oonweisung aus.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Wenn der erscht Bedingung woahr (true) ist, dann füahr die erschte Oonweisung aus.  Orrer wenn die zwooite Bedingung woahr (true) ist, dann füahr die zwooite Oonweisung aus.  Falls ken der beide Bedingungen woahr (true) ist, dann füahr die dritte Oonweisung aus.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://hrx.wikipedia.org/wiki/For-Schleif";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "mach";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "wiederhol %1 mol";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "En Oonweisung meahrfach ausführe.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "Repetiere bis";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "Repetier solang";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Füahr die Oonweisung solang aus wie die Bedingung falsch (false) ist.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Füahr die Oonweisung solang aus wie die Bedingung woahr (true) ist.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "All %1 Bausten lösche?";
-Blockly.Msg["DELETE_BLOCK"] = "Block lösche";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "Block %1 lösche";
-Blockly.Msg["DISABLE_BLOCK"] = "Block deaktivieren";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Kopieren";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Block aktivieren";
-Blockly.Msg["EXPAND_ALL"] = "Blocke expandiere";
-Blockly.Msg["EXPAND_BLOCK"] = "Block entfalte";
-Blockly.Msg["EXTERNAL_INPUTS"] = "External Inputsexterne Ingänge";
-Blockly.Msg["HELP"] = "Hellef";
-Blockly.Msg["INLINE_INPUTS"] = "interne Ingänge";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";  // untranslated
-Blockly.Msg["IOS_ERROR"] = "Error";  // untranslated
-Blockly.Msg["IOS_OK"] = "OK";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "Generier/erzeich en leear List";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Generier/erzeich en leear List ohne Inhalt.";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "List";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Hinzufüche, entferne und sortiere von Elemente.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "Erzeich List mit";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "En Element zur List hinzufüche.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Generier/erzeich en List mit konfigurierte Elemente.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "earste";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "#te von hinne";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "Nehm";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "Nehm und entfern";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "letzte";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "zufälliches";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "Entfern";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Extrahiert das earste Element von der List.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Extrahiert das Element zu en definierte Stell von der List.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Extrahiert das letzte Element von der List.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Extrahiert en zufälliches Element von der List.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Extrahiert und entfernt das earste Element von der List.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Extrahiert und entfernt das Element zu en definierte Stell von der List.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Extrahiert und entfernt das letzte Element von der List.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Extrahiert und entfernt en zufälliches Element von der List.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Entfernt das earste Element von der List.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Entfernt das Element zu en definierte Stell von der List.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Entfernt das letzte Element von der List.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Entfernt en zufälliches Element von der List.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "zu # vom End";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "zu #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "zum Letzte";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "hol Unnerliste vom Earste";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "hol Unnerliste von # vom End";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "hol Unnerlist von #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Generiert en Kopie von en definierte Tel von en List.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 ist das letzte Element.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 ist das earschte Element.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "Such earstes Voarkommniss";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "Such letztes Voarkommniss";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Sucht die Position (index) von en Element in der List Gebt %1 zurück wenn nixs gefunn woard.";
-Blockly.Msg["LISTS_INLIST"] = "in der List";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 ist leear?";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Ist woahr (true), wenn die List leear ist.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "länge %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Die Oonzoohl von Elemente in der List.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "Erzich List mit Element %1 wiederhol das %2 mol";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Erzeicht en List mit en variable Oonzoohl von Elemente";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "uff";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "tue ren setz an";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "setz";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Tut das Element an en Oonfang von en List ren setze.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Tut das Element ren setze an en definierte Stell an en List.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Oonhängt das Element zu en List sei End.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Tut das Element zufällich an en List ren setze.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.Setzt das earschte Element an en list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Setzt das Element zu en definierte Stell in en List.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Setzt das letzte Element an en List.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Setzt en zufälliches Element an en List.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "falsch";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Ist entweder woahr (true) orrer falsch (false)";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "woahr";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://hrx.wikipedia.org/wiki/Vergleich_%28Zahlen%29";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Ist woahr (true) wenn beide Wearte identisch sind.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Ist woahr (true) wenn der erschte Weart grösser als der zwooite Weart ist.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Ist woahr (true) wenn der erschte Weart grösser als orrer gleich gross wie zwooite Weart ist.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Ist woahr (true) wenn der earschte Weart klener als der zwooite Weart ist.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Ist woahr (true) wenn der earscht Weart klener als orrer gleich gross wie zwooite Weart ist.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Ist woahr (true) wenn beide Wearte unnerschiedlich sind.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "net %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Ist woahr (true) wenn der Ingäweweart falsch (false) ist.  Ist falsch (false) wenn der Ingäweweart woahr (true) ist.";
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Is NULL.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "und";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "orrer";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Ist woahr (true) wenn beide Wearte woahr (true) sind.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Ist woahr (true) wenn en von der beide Wearte woahr (true) ist.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "wenn falsch";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "wenn woahr";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Üwerprüft en Bedingung \"test\". Wenn die Bedingung woahr ist weerd der \"wenn woahr\" Weart zurückgeb, annerfalls der \"wenn falsch\" Weart";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://hrx.wikipedia.org/wiki/Grundrechenoort";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Ist die Summe zwooier Wearte.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Ist der Quotient zwooier Wearte.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Ist die Differenz zwooier Wearte.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Ist das Produkt zwooier Wearte.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Ist der earschte Weart potenziert mit dem zoiten Weart.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://hrx.wikipedia.org/wiki/Inkrement_und_Dekrement";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "mach höcher / erhöhe %1 um %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Addiert en Weart zur Variable \"%1\" hinzu.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://hrx.wikipedia.org/wiki/Mathematische_Konstante";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Mathematische Konstante wie: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…) oder ∞ (unendlich).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "begrenze %1 von %2 bis %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Begrenzt den Weartebereich mittels von / bis Wearte. (inklusiv)";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "ist telbar/kann getelt sin doorrich";
-Blockly.Msg["MATH_IS_EVEN"] = "ist grood";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "ist negativ";
-Blockly.Msg["MATH_IS_ODD"] = "ist ungrood";
-Blockly.Msg["MATH_IS_POSITIVE"] = "ist positiv";
-Blockly.Msg["MATH_IS_PRIME"] = "ist en Primenzoohl";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Üwerprüft ob en Zoohl grood, ungrood, en Primenzoohl, ganzzoohlich, positiv, negativ orrer doorrich en zwooite Zoohl telbar ist.  Gebt woahr (true) orrer falsch (false) zurück.";
-Blockly.Msg["MATH_IS_WHOLE"] = "ganze Zoohl";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://hrx.wikipedia.org/wiki/Modulo";
-Blockly.Msg["MATH_MODULO_TITLE"] = "Rest von %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Der Rest noh en Division.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://hrx.wikipedia.org/wiki/Zoohl";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "En Zoohl.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "Mittelweart en List";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "Maximalweart en List";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "Median von en List";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "Minimalweart von en List";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "Restweart von en List";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "Zufallsweart von en List";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "Standart/Padrong Abweichung von en List";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "Summe von en List";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Ist der Doorrichschnittsweart von aller Wearte in en List.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Ist der grösste Weart in en List.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Ist der Zentralweart von aller Wearte in en List.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Ist der klenste Weart in en List.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Findt den am häifichste voarkommend Weart in en List.  Falls ken Weart öftersch voarkomme als all annre, weard die originale List zurückgeche";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Geb en Zufallsweart aus der List zurück.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Ist die standartiesierte/padronisierte Standartabweichung/Padrongabweichung von aller Wearte in der List";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Ist die Summ aller Wearte in en List.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://hex.wikipedia.org/wiki/Zufallszoohle";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "Zufallszoohl (0.0 -1.0)";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Generier/erzeich en Zufallszoohl zwischich 0.0 (inklusiv) und 1.0 (exklusiv).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://hrx.wikipedia.org/wiki/Zufallszahlen";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "ganzoohlicher Zufallswearte zwischich %1 bis %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Generier/erzeich en ganzähliche Zufallsweart zwischich zwooi Wearte (inklusiv).";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://hrx.wikipedia.org/wiki/Runden";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "runde";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "ab runde";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "uff runde";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "En Zoohl uff orrer ab runde.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://hrx.wikipedia.org/wiki/Quadratwoorzel";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "Absolutweart";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "Quadratwoorzel";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Ist der Absolutweart von en Weart.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Ist Weart von der Exponentialfunktion von en Weart.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Ist der natüarliche Logarithmus von en Weart.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Ist der dekoodische Logarithmus von en Weart.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Negiert en Weart.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Rechnet 10 hoch Ingäbweart.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Ist die Qudratwoorzel von en Weart.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://hrx.wikipedia.org/wiki/Trigonometrie";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Ist der Arcuscosinus von en Ingabweart.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Ist der Arcussinus von en Ingäbweart.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Ist der Arcustangens von en Ingäbweart.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Ist der Cosinus von en Winkel.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Ist der Sinus von en Winkel.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Ist der Tangens von en Winkel.";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Neie Variable...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Die neie Variable sei Noome:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "mit:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://hrx.wikipedia.org/wiki/Prozedur_%28Programmierung%29";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Ruf en Funktionsblock ohne Rückgäweart uff.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://hrx.wikipedia.org/wiki/Prozedur_%28Programmierung%29";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Ruf en Funktionsblock mit Rückgäbweart uff.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "mit:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Generier/erzeich \"Uffruf %1\"";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "Funktionsblock";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "zu";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "En Funktionsblock ohne Rückgäbweart.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "geb zurück";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "En Funktionsblock mit Rückgäbweart.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warnung: die Funktionsblock hot doppelt Parameter.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Markiear Funktionsblock";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Wenn der earste Weart woahr (true) ist, Geb den zwooite Weart zurück.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warnung: Der Block därref nuar innich en Funktionsblock genutzt sin.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "Markiear Funktionsblock";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Generier/erzeich \"Uffruf %1\"";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "Parameter";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Variable:";
-Blockly.Msg["REDO"] = "Redo";  // untranslated
-Blockly.Msg["REMOVE_COMMENT"] = "Kommentar entferne";
-Blockly.Msg["RENAME_VARIABLE"] = "Die neie Variable sei Noome:";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "All \"%1\" Variable umbenenne in:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "An %1 Text oonhänge %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Text an die Variable \"%1\" oonhänge.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "umwandle in klenbuchstoobe";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "umwandle in Wörter";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "umwandle in GROSSBUCHSTOOBE";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Wandelt Schreibweise von Texte um, in Grossbuchstoobe, Klenbuchstoobe orrer den earste Buchstoob von jedes Wort gross und die annre klen.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "hol earschte Buchstoob";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "hol Buchstoob # von End";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "hol Buchstoob #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "hol letztes Wort";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "hol zufälliches Buchstoob";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Extrahiear en Buchstoob von en spezifizierte Position.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "En Element zum Text hinzufüche.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "verbinne";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Hinzufüche, entfernne und sortiere von Elemente.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "bis #te Buchstoob von hinne";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "bis Buchstoob #te";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "bis letzte Buchstoob";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in Text";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "earschte Buchstoob";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "hol #te Buchstoob von hinne";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "hol substring Buchstoob #te";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Schickt en bestimmstes Tel von dem Text retuar.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "Such der Begriff sein earstes Voarkommniss";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "Suche der Begriff sein letztes Vorkommniss.";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "im Text %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Findt das earste / letzte Voarkommniss von en Suchbegriffes in enem Text.  Gebt die Position von dem Begriff orrer %1 zurück.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 ist leer?";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Ist woahr (true), wenn der Text leer ist.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "Erstell Text aus";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Erstellt en Text doorrich das verbinne von mehre Textelemente.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "läng %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Die Oonzoohl von Zeiche in enem Text. (inkl. Leerzeiche)";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "Ausgäb %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Geb den Inhalt von en Variable aus.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Frocht den Benutzer noh en Zoohl.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Frocht den Benutzer noh enem Text.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "Frächt noh Zoohl mit Hinweis";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "Frocht noh Text mit Hinweis";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)https://hrx.wikipedia.org/wiki/Zeichenkette";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "En Buchstoob, Text orrer Satz.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "entfern Leerzeiche von Oonfang und End Seite";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "entferne Leerzeiche von Oonfang Seite";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "entferne Leerzeiche von End Seite von";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Entfernt Leerzeiche vom Oonfang und / orrer End von en Text.";
-Blockly.Msg["TODAY"] = "Today";  // untranslated
-Blockly.Msg["UNDO"] = "Undo";  // untranslated
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "Element";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Generier/erzeiche \"Schreibe %1\"";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Gebt der Variable sein Weart zurück.";
-Blockly.Msg["VARIABLES_SET"] = "Schreib %1 zu %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Generier/erzeich \"Lese %1\"";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Setzt en Variable sei Weart.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/hu.js b/msg/js/hu.js
deleted file mode 100644
index ad1c8efba38..00000000000
--- a/msg/js/hu.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Megjegyzés hozzáadása";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "A(z) „%1” változó nem törölhető, mert része a(z) „%2” függvény definíciójának.";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Érték módosítása:";
-Blockly.Msg["CLEAN_UP"] = "Blokkok kiürítése";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Az összecsukott blokk figyelmeztetéseket tartalmaz.";
-Blockly.Msg["COLLAPSE_ALL"] = "Blokkok összecsukása";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Blokk összecsukása";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "szín 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "szín 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "arány";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "színkeverés";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Két színt kever össze a megadott arányban (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://hu.wikipedia.org/wiki/Szín";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Válassz színt a palettáról.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "véletlen szín";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Véletlenszerűen kiválasztott szín.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "kék";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "zöld";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "vörös";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "Szín";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Szín előállítása a megadott vörös, zöld, és kék értékekkel.  Minden értéknek 0 és 100 közé kell esnie.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "befejezi az ismétlést";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "folytatja a következővel";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Megszakítja az utasítást tartalmazó ciklust.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Kihagyja a ciklus további részét, és elölről kezdi a következő elemmel.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Figyelem: Ez a blokk csak cikluson belül használható.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "minden %1 elemre a %2 listában";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "A '%1' változó minden lépésben megkapja a lista adott elemének értékét, és végrehajt vele néhány utasítást.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "számolj %1 értékével %2 és %3 között %4 lépésközzel";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "A(z) '%1' változó felveszi a kezdőérték és a végérték közötti értékeket a meghatározott lépésközzel. Eközben a meghatározott blokkokat hajtja végre.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Feltétel hozzáadása a ha blokkhoz.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Végső feltétel hozzáadása a ha blokkhoz.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "A ha blokk testreszabásához bővítsd, töröld vagy rendezd át a részeit.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "különben";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "különben ha";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ha";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Ha a kifejezés igaz, akkor végrehajtja az utasításokat.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Ha a kifejezés igaz, akkor végrehajtja az első utasításblokkot. Különben a második utasításblokk kerül végrehajtásra.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Ha az első kifejezés igaz, akkor végrehajtja az első utasításblokkot. Különben, ha a második kifejezés igaz, akkor végrehajtja a második utasítás blokkot.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Ha az első kifejezés igaz, akkor végrehajtjuk az első utasítás blokkot.  Ha a második kifejezés igaz, akkor végrehajtjuk a második utasítás blokkot.  Amennyiben egyik kifejezés sem igaz, akkor az utolsó utasítás blokk kerül végrehajtásra.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://hu.wikipedia.org/wiki/Ciklus_(programoz%C3%A1s)#Sz.C3.A1ml.C3.A1l.C3.B3s_.28FOR.29_ciklus";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "ismételd %1 alkalommal";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Megadott kódrészlet ismételt végrehajtása.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ismételd amíg";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ismételd amíg";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Amíg a feltétel hamis, végrehajtja az utasításokat.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Amíg a feltétel igaz, végrehajtja az utasításokat.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Az összes %1 blokk törlése?";
-Blockly.Msg["DELETE_BLOCK"] = "Blokk törlése";
-Blockly.Msg["DELETE_VARIABLE"] = "A(z) „%1” változó törlése";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "A(z) „%2” változó %1 használatának törlése?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 blokk törlése";
-Blockly.Msg["DISABLE_BLOCK"] = "Blokk letiltása";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Másolat";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Blokk engedélyezése";
-Blockly.Msg["EXPAND_ALL"] = "Blokkok kinyitása";
-Blockly.Msg["EXPAND_BLOCK"] = "Blokk kinyitása";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Külső kapcsolatok";
-Blockly.Msg["HELP"] = "Súgó";
-Blockly.Msg["INLINE_INPUTS"] = "Belső kapcsolatok";
-Blockly.Msg["IOS_CANCEL"] = "Mégse";
-Blockly.Msg["IOS_ERROR"] = "Hiba";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Bemenet hozzáadása";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Utasítások engedélyezése";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Ennek a függvénynek kettőzött bemenete van.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "BEMENETEK";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Hozzáadás";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Változó hozzáadása";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Törlés";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Nem használhat üres változónevet.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Átnevezés";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Változó neve";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "üres lista";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Elemeket nem tartalmazó üres listát ad eredményül";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "lista";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "Lista készítés, elemek:";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Elem hozzáadása listához.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Listát készít a megadott elemekből.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "az első";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "a végétől számított";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "az elejétől számított";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "listából értéke";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "listából kivétele";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "az utolsó";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "bármely";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "listából törlése";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "elemnek";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "A lista első elemét adja eredményül.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "A lista megadott sorszámú elemét adja eredményül.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "A lista utolsó elemét adja eredményül.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "A lista véletlenszerűen választott elemét adja eredményül.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Az első elem kivétele a listából.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "A megadott sorszámú elem kivétele a listából.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Az utolsó elem kivétele a listából.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Véletlenszerűen választott elem kivétele a listából.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Az első elem törlése a listából.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "A megadott sorszámú elem törlése a listából.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Az utolsó elem törlése a listából.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Véletlenszerűen választott elem törlése a listából.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "és a végétől számított";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "és az elejétől számított";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "és az utolsó";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "részlistája az első";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "részlistája a végétől számított";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "részlistája az elejétől számított";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "elem között";
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "A lista adott részéről másolat.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 az utolsó elemet jelenti.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 az első elemet jelenti.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "listában első előfordulásaː";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "listában utolsó előfordulásaː";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "A megadott elem első vagy utolsó előfordulásával tér vissza. Ha nem talál ilyen elemet, akkor %1 a visszatérési érték.";
-Blockly.Msg["LISTS_INLIST"] = "A(z)";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 üres lista?";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Az eredmény igaz, ha a lista nem tartalmaz elemeket.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1 lista hossza";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "A lista elemszámát adja eredményül.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "Lista készítése %1 elemet %2 alkalommal hozzáadva";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "A megadtott elem felhasználásával n elemű listát készít";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "%1 megfordítása";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Megfordítja a lista másolatát.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "elemkéntː";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "listába szúrd be";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "listába állítsd be";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Beszúrás a lista elejére.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Beszúrás a megadott sorszámú elem elé a listában.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Beszúrás a lista végére.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Beszúrás véletlenszerűen választott elem elé a listában.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Az első elem cseréje a listában.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "A megadott sorszámú elem cseréje a listában.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Az utolsó elem cseréje a listában.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Véletlenszerűen választott elem cseréje a listában.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "növekvő";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "csökkenő";
-Blockly.Msg["LISTS_SORT_TITLE"] = "%1 %2 %3 rendezés";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Egy lista egy másolatának rendezése.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "betűrendben nagybetű figyelmen kívül hagyásával";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numerikus";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "betűrendben";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "lista készítése szövegből";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "sztring készítése listából";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "A lista elemeit összefűzi szöveggé a határoló karaktereket is felhasználva.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Listát készít a határoló karaktereknél törve a szöveget.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "határoló karakter";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "hamis";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Igaz, vagy hamis érték";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "igaz";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://hu.wikipedia.org/wiki/Egyenl%C5%91tlens%C3%A9g";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Igaz, ha a kifejezés két oldala egyenlő.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Igaz, ha a bal oldali kifejezés nagyobb, mint a jobb oldali.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Igaz, ha a bal oldali kifejezés nagyobb vagy egyenlő, mint a jobb oldali.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Igaz, ha a bal oldali kifejezés kisebb, mint a jobb oldali.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Igaz, ha a bal oldali kifejezés kisebb vagy egyenlő, mint a jobb oldali.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Igaz, ha a kifejezés két oldala nem egyenlő..";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "nem %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Igaz, ha a kifejezés hamis.  Hamis, ha a kifejezés igaz.";
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "null érték.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "és";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "vagy";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Igaz, ha mindkét kifejezés igaz.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Igaz, ha legalább az egyik kifejezés igaz.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "vizsgáld meg:";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "érték, ha hamis:";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "érték, ha igaz:";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Kiértékeli a megvizsgálandó kifejezést. Ha a kifejezés igaz, visszatér az \"érték, ha igaz\" értékkel, különben az \"érték, ha hamis\" értékkel.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://hu.wikipedia.org/wiki/Matematikai_m%C5%B1velet";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Két szám összege.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Két szám hányadosa.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Két szám különbsége.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Két szám szorzata.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Az első számnak a második számmal megegyező hatványa.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://hu.wikipedia.org/wiki/Arctg2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "Arctg2 X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Az (X,Y) pont arkusz tangens értéke fokban -180 és 180 között.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://hu.wikipedia.org/wiki/JavaScript#Aritmetikai_oper.C3.A1torok";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "növeld %1 értékét %2 -vel";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "A \"%1\" változó értékének növelése egy számmal.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://hu.wikipedia.org/wiki/Matematikai_konstans";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Ismert matematikai konstans: π (3.141…), e (2.718…), φ (1.618…), gyök(2) (1.414…), gyök(½) (0.707…), vagy ∞ (végtelen).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "korlátozd %1-t %2 és %3 közé";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Egy változó értékének korlátozása a megadott zárt intervallumra.";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "-nek osztója";
-Blockly.Msg["MATH_IS_EVEN"] = "páros";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "negatív";
-Blockly.Msg["MATH_IS_ODD"] = "páratlan";
-Blockly.Msg["MATH_IS_POSITIVE"] = "pozitív";
-Blockly.Msg["MATH_IS_PRIME"] = "prím";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Ellenőrzi, hogy a szám páros, páratlan, prím, egész, pozitív vagy negatív-e, illetve osztható-e a másodikkal. Igaz, vagy hamis értéket ad eredményül.";
-Blockly.Msg["MATH_IS_WHOLE"] = "egész";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://hu.wikipedia.org/wiki/Eg%C3%A9szr%C3%A9sz#Als.C3.B3_eg.C3.A9szr.C3.A9sz";
-Blockly.Msg["MATH_MODULO_TITLE"] = "%1 ÷ %2 maradéka";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Az egész osztás maradékát adja eredméynül.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://hu.wikipedia.org/wiki/Sz%C3%A1m";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Egy szám.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "lista elemeinek átlaga";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "lista legnagyobb eleme";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "lista mediánja";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "lista legkisebb eleme";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "lista módusza";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "lista véletlen eleme";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "lista elemeinek szórása";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "lista elemeinek összege";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "A lista elemeinek átlagát adja eredményül.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "A lista legnagyobb elemét adja vissza.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "A lista elemeinek mediánját adja eredményül.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "A lista legkisebb elemét adja vissza.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "A lista elemeinek móduszát adja eredményül.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "A lista egy véletlen elemét adja eredményül.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "A lista elemeinek szórását adja eredményül.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "A lista elemeinek összegét adja eredményül.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://hu.wikipedia.org/wiki/V%C3%A9letlen";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "véletlen tört";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Véletlen tört érték 0.0 és 1.0 között.";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://hu.wikipedia.org/wiki/V%C3%A9letlen";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "véletlen egész szám %1 között %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Véletlen egész szám a megadott zárt intervallumon belül.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://hu.wikipedia.org/wiki/Eg%C3%A9szr%C3%A9sz#Kerek.C3.ADt.C3.A9s";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "kerekítsd";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "kerekítsd lefelé";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "kerekítsd felfelé";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Egy szám kerekítése felfelé vagy lefelé.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://hu.wikipedia.org/wiki/Gy%C3%B6kvon%C3%A1s";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "abszolútérték";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "négyzetgyök";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "A szám abszolútértéke.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Az e megadott számú hatványa.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "A szám természetes alapú logaritmusa.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "A szám 10-es alapú logaritmusa.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "A szám -1 szerese.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "A 10 megadott számú hatványa.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "A szám négyzetgyöke.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://hu.wikipedia.org/wiki/Sz%C3%B6gf%C3%BCggv%C3%A9nyek";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "A fokban megadott szög arkusz koszinusz értéke.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "A fokban megadott szög arkusz szinusz értéke.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "A fokban megadott szög arkusz tangens értéke.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "A fokban megadott szög koszinusz értéke.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "A fokban megadott szög szinusz értéke.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "A fokban megadott szög tangens értéke.";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Változó létrehozása…";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Az új változó neve:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Az új változó típusa:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = ".";
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "utasítások engedélyezése";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "paraméterlistaː";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://hu.wikipedia.org/wiki/F%C3%BCggv%C3%A9ny_(programoz%C3%A1s)";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Végrehajtja az eljárást.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://hu.wikipedia.org/wiki/F%C3%BCggv%C3%A9ny_(programoz%C3%A1s)";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Meghívja a függvényt.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "paraméterlistaː";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "„%1” létrehozása";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Írj erről a funkcióról...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "név";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "Eljárás";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Eljárás (nem ad vissza eredményt).";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "eredménye";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Függvény eredménnyel.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Figyelem: Az eljárásban azonos elnevezésű paramétert adtál meg.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Függvénydefiníció kiemelése";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Ha az érték igaz, akkor visszatér a függvény értékével.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Figyelem: Ez a blokk csak függvénydefiníción belül használható.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "változó:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Bemenet hozzáadása a függvényhez.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "paraméterek";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Bemenetek hozzáadása, eltávolítása vagy átrendezése ehhez a függvényhez.";
-Blockly.Msg["REDO"] = "Újra";
-Blockly.Msg["REMOVE_COMMENT"] = "Megjegyzés eltávolítása";
-Blockly.Msg["RENAME_VARIABLE"] = "Változó átnevezése…";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Minden „%1” változó átnevezése erre:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "A %1 szövegéhez fűzd hozzá %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Szöveget fűz a \"%1\" változó értékéhez.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "kisbetűs";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "Címként Formázott";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "NAGYBETŰS";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "első";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "hátulról";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "elölről";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "utolsó";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "véletlen";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "karaktere";
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "a szövegben: %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "A szöveg egy megadott karakterét adja eredményül.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "%1 száma ebben: %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "A szöveg előfordulásainak megszámolása egy másik szövegben.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Elem hozzáfűzése a szöveghez.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "fűzd össze";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Összefűzéssel, törléssel vagy rendezéssel kapcsolato sblokkok szöveg szerkesztéséhez.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "betűtől a hátulról számított";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "betűtől a(z)";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "betűtől az utolsó";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "a";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "szövegben válaszd ki az első";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "szövegben válaszd ki a hátulról a(z)";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "szövegben válaszd ki a(z)";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "betűig tartó betűsort";
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "A megadott szövegrészletet adja eredményül.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "szövegben az első előfordulásának helye";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "szövegben az utolsó előfordulásának helye";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "A(z) %1 %2 %3 szövegnek";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "A keresett szöveg első vagy utolsó előfordulásával tér vissza.  %1 esetén a szövegrészlet nem található.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 üres";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Igaz, ha a vizsgált szöveg hossza 0.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "fűzd össze";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Tetszőleges számú szövegrészletet fűz össze egybefüggő szöveggé.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1 hossza";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "A megadott szöveg karaktereinek számát adja eredményül (beleértve a szóközöket).";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "Üzenet %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Megejelníti a megadott kaakterláncot üzenetként a képernyőn.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Számot kér be a felhasználótól.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Szöveget kér be a felhasználótól.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "Kérj be számot";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "Kérj be szöveget";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "%1 cseréje %2-vel %3-ban";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "A szöveg összes előfordulásának cseréje egy másik szöveggel.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "%1 megfordítása";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Megfordítja a karakterek sorrendjét a szövegben.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://hu.wikipedia.org/wiki/String";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Egy betű, szó vagy szöveg egy sora.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "szóközök levágása mindkét végéről";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "szóközök levágása az elejéről";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "szóközök levágása a végéről";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Levágja a megadott szöveg végeiről a szóközöket.";
-Blockly.Msg["TODAY"] = "Ma";
-Blockly.Msg["UNDO"] = "Visszavonás";
-Blockly.Msg["UNNAMED_KEY"] = "névtelen";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "változó";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Készíts \"%1=\"";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "A változó értékét adja eredményül.";
-Blockly.Msg["VARIABLES_SET"] = "%1 %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Készíts \"%1\"";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "A változónak adhatunk értéket.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A(z) „%1” nevű változó már létezik.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Egy „%1” nevű változó már létezik egy másik típussal: „%2”.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly munkaterület";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Mondj valamit...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/hy.js b/msg/js/hy.js
deleted file mode 100644
index 95af3264f96..00000000000
--- a/msg/js/hy.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Ավելացնել մեկնաբանություն";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Հնարավոր չի ջնջել %1 փոփոխականը, որովհետև այն '%2' ֆունկցիայի հայտարարման մասն է";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Փոխել նշանակություն:";
-Blockly.Msg["CLEAN_UP"] = "Մաքրել բլոկները";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Քանդել բլոկները";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Կրճատել բլոկը";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "գույն 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "գույն 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "հարաբերակցություն";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "խառնել";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Խառնում է երկու գույները միմյանց հետ տրված հարաբերակցությամբ (0.0 - 1.0):";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://hy.wikipedia.org/wiki/Գույն";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Ընտրիր գույն ներկապնակից:";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "պատահական գույն";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Ընտրում է գույն պատահականության սկզբունքով:";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "կապույտ";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "կանաչ";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "կարմիր";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "գույնը";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Ստեղծում է գույն կարմիրի, կանաչի և կապույտի նշված քանակություններով: Բոլոր արժեքները պետք է լինեն 0-ի և 100-ի միջև:";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "դուրս գալ ցիկլից";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "անցնել կրկնության հաջորդ կատարմանը";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Դադարեցնում է տվյալ կրկնությունը";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Դադարեցնում կրկնության մնացած մասը և անցնում է հաջորդ քայլին։";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Զգուշացում. Այս բլոկը կարող է օգտագործվել միայն ցիկլի ներսում:";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "յուրաքանչյուր %1 էլեմենտի համար %2 ցանկից";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Ցանկի յուրաքանչյուր անդամի արժեքը վերագրում է  '%1' փոփոխականին և կատարում նշված հրամանները։";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "հաշվել %1-ը, %2֊ից մինչև %3, քայլը %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "'%1' փոփոխականին վերագրում է արժեքներ, սկսելով նախնական արժեքից, տրված քայլով և կատարում է նշված հրամանները";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Ավելացնում է պայման «եթե» բլոկին:";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Ավելացնել վերջնական ենթաբլոկ (այն կաշխատի, եթե բոլոր պայմանները կեղծ են)";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Ավելացնել, հեռացնել կամ փոխել հերթականությունը այս \"եթե\" բլոկը վերակարգավորելու համար։";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "հակառակ դեպքում";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "հակառակ դեպքում, եթե";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "եթե";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Եթե պայմանը ճշմարիտ է, կատարում է որոշ հրահանգներ:";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Եթե պայմանը ճշմարիտ է, ապա կատարում է հրահանգների առաջին բլոկը: Հակառակ դեպքում կատարում է հրահանգների երկրորդ բլոկը:";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Եթե առաջին պայմանը ճշմարիտ է, ապա կատարում է հրահանգների առաջին բլոկը: Հակառակ դեպքում, եթե երկրորդ պայմանն է ճշմարիտ, կատարում է հրահանգների երկրորդ բլոկը:";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Եթե առաջին պայմանը ճշմարիտ է, ապա կատարում է հրահանգների առաջին բլոկը: Հակառակ դեպքում, եթե երկրորդ պայմանն է ճշմարիտ, կատարում է հրահանգների երկրորդ բլոկը: Եթե պայմաններից ոչ մեկը ճշմարիտ չեն, ապա  կատարում է հրահանգների վերջին բլոկը:";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "կատարել";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "կրկնել %1 անգամ";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Կատարում է որոշ հրահանգներ մի քանի անգամ:";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "կրկնել, քանի դեռ չի";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "կրկնել, քանի դեռ";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Քանի դեռ արժեքը կեղծ է, կատարում է որոշակի հրահանգներ:";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Քանի դեռ արժեքը ճշմարիտ է, կատարում է հրահանգները:";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Ջնջե՞լ բոլոր %1 բլոկները:";
-Blockly.Msg["DELETE_BLOCK"] = "Ջնջել բլոկը";
-Blockly.Msg["DELETE_VARIABLE"] = "Հեռացնել '%1' փոփոխականը";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Ջնջե՞լ '%2' փոփոխականի %1 կիրառությունները";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Ջնջել %1 բլոկ";
-Blockly.Msg["DISABLE_BLOCK"] = "Անջատել բլոկը";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Պատճենել";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Կրկնօրինակել մեկնաբանությունը";
-Blockly.Msg["ENABLE_BLOCK"] = "Միացնել բլոկը";
-Blockly.Msg["EXPAND_ALL"] = "Բացել բլոկները";
-Blockly.Msg["EXPAND_BLOCK"] = "Բացել բլոկը";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Արտաքին մուտքեր";
-Blockly.Msg["HELP"] = "Օգնություն";
-Blockly.Msg["INLINE_INPUTS"] = "Գծային մուտք";
-Blockly.Msg["IOS_CANCEL"] = "Չեղարկել";
-Blockly.Msg["IOS_ERROR"] = "Սխալ";
-Blockly.Msg["IOS_OK"] = "Լավ";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Ավելացնել մուտքային փոփոխական";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Թույլատրել արտահայտությունները";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Այս ֆունկցիան կրկնօրինակում է մուտքային փոփոխականները:";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ՆԵՐՄՈՒԾՈՒՄ";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Ավելացնել";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Ավելացնել փոփոխական";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Ջնջել";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Չես կարող օգտագործել փոփոխականի «դատարկ» անուն";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Վերանվանել";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Փոփախականի անունը";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "ստեղծել դատարկ ցանկ";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Վերադարձնում է 0 երկարությամբ ցանկ, որը տվյալներ չի պարունակում:";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "ցանկ";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Այս ցանկ բլոկը վերակառուցելու համար ավելացրու, հեռացրու կամ փոխիր բաժինների հաջորդականությունը։";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "ստեղծել ցանկ";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Ավելացնել տարր ցանկին:";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Ստեղծում է ցանկ ցանկացած քանակությամբ տվյալներով:";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "առաջինը";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "№ վերջից";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "վերցնել";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "վերցնել և հեռացնել";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "վերջինը";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "պատահական";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "հեռացնել";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Վերադարձնում է ցանկի առաջին տարրը:";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Վերադարձնում է նշված դիրքում գտնվող անդամը ցանկից։";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Վերադարձնում է ցանկի վերջին տարրը:";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Վերադարձնում է ցանկի պատահական տարր:";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Հեռացնում և վերադարձնում է ցանկի առաջին տարրը:";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Հեռացնում և վերադարձնում է նշված դիրքում գտնվող անդամը ցանկից։";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Հեռացնում և վերադարձնում է ցանկի վերջին տարրը:";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Հեռացնում և վերադարձնում է ցանկի պատահական տարր:";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Հեռացնում է ցանկի առաջին տարրը:";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Ցանկից հեռացնում է նշված դիրքում գտնվող անդամը։";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Հեռացնում է ցանկի վերջին տարրը:";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Հեռացնում է ցանկից պատահական տարր:";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "մինչև # վերջից";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "մինչև #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "մինչև վերջ";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "վերցնել ենթա֊ցանկ սկզբից";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "վերցնել ենթացանկ, սկսած # վերջից";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "վերցնել ենթացանկ, սկսած #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Ստեղծում է ցանկի նշված մասի պատճենը։";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 վերջին տարրն է:";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 առաջին տարրն է:";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "գտնել անդամի առաջին հանդիպման դիրքը";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "գտնել անդամի վերջին հանդիպման դիրքը";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Վերադարձնում է ցանկում անդամի առաջին/վերջին հանդիպման դիրքը։ Վերադարձնում է %1, եթե անդամը չի գտնվել։";
-Blockly.Msg["LISTS_INLIST"] = "ցանկում";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 դատարկ է";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Վերադարձնում է \"ճշմարիտ\" եթե ցանկը դատարկ է։";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1֊ի երկարությունը";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Վերադարձնում է ցանկի երկարությունը:";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "ստեղծել ցանկ, %1 արժեքը կրկնելով %2 անգամ";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Տրված արժեքը նշված քանակով կրկնելու միջոցով, ստեղծում է ցանկ։";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "շրջել %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Շրջում է ցանկի պատճենը։";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "որպես";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "ներմուծել";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "դնել";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Ներմուծում է անդամը ցանկի սկզբում։";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Ներմուծում է անդամը ցանկի նշված դիրքում։";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Ավելացնում է անդամ ցանկի վերջում։";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Ներմուծում է անդամը ցանկի պատահական դիրքում։";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Սահմանում է ցանկի առաջին տարրը:";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Տեղադրում է անդամը ցանկի նշված դիրքում։";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Սահմանում է ցանկի վերջին տարրը:";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Սահմանում է ցանկից պատահական տարր:";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "աճման կարգ";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "նվազման կարգ";
-Blockly.Msg["LISTS_SORT_TITLE"] = "դասավորել %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Դասավորում է ցանկի պատճենը";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "այբենական, անտեսել ռեգիստրը";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "թվային կարգ";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "այբբենական կարգ";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "ստեղծել ցանկ տեքստից";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "ստեղծել տեքստ ցանկից";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Ցանկից ստեղծվում է միացյալ տեքստ, ցանկի անդամները միացվում են բաժանարարներով։";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Տեքստը վեր է ածվում ցանկի, նշված բաժանարարով։";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "բաժանարարով";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "կեղծ";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Վերադարձնում է ճշմարիտ կամ կեղծ արժեք:";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "ճշմարիտ";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://hy.wikipedia.org/wiki/Անհավասարություն";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Վերադարձնում է ճշմարիտ արժեք, եթե երկու մուտքերն էլ հավասար են միմյանց:";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Վերադարձնում է ճշմարիտ արժեք, եթե  առաջին մուտքը մեծ է երկրորդից:";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Վերադարձնում է ճշմարիտ արժեք, եթե  առաջին մուտքը մեծ կամ հավասար է երկրորդին:";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Վերադարձնում է ճշմարիտ արժեք, եթե մուտքերից առաջինը փոքր է երկրորդից:";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Վերադարձնում է ճշմարիտ արժեք, եթե  առաջին մուտքը փոքր կամ հավասար է երկրորդին:";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Վերադարձնում է ճշմարիտ արժեք, եթե երկու մուտքերն էլ հավասար չեն միմյանց:";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ոչ %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Վերադարձնում է ճշմարիտ արժեք, եթե մուտքը կեղծ է: Վերադարձնում է կեղծ արժեք, եթե մուտքը ճշմարիտ է:";
-Blockly.Msg["LOGIC_NULL"] = "ոչինչ";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Վերադարձնում է null (ոչինչ)";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "և";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "կամ";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Վերադարձնում է ճշմարիտ արժեք, եթե երկու մուտքերն էլ ճշմարիտ են:";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Վերադարձնում է ճշմարիտ արժեք, եթե մուտքերից գոնե մեկը ճշմարիտ է:";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "ստուգում";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "եթե կեղծ է";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "եթե ճշմարիտ է";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Ստուգում է ընտրության պայմանը։ Եթե այն ճշմարիտ է, վերադարձնում է առաջին արժեքը, հակառակ դեպքում ՝ երկրորդը։";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://hy.wikipedia.org/wiki/Թվաբանություն";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Վերադարձնում է երկու թվերի գումարը:";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Վերադարձնում է քանորդը";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Վերադարձնում է երկու թվերի տարբերությունը:";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Վերադարձնում է երկու թվերի արտադրյալը";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Վերադարձնում է առաջին թիվի աստիճանը";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "X:%1 Y:%2 ֊ի atan2֊ը";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Վերադարձնում է (X, Y) կետի արկտանգենսը աստիճաններով -180-ից մինչև 180:";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "փոխել %1-ի արժեքը %2֊ով";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Ավելացնում է թիվ %1 փոփոխականին:";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://hy.wikipedia.org/wiki/Մաթեմատիկական_հաստատուն";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Վերադարձնում է տարածված հաստատուններից մեկը՝ π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), կամ ∞ (անվերջություն):";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "սահմանափակել %1֊ը %2֊ի և %3֊ի միջև";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Սահմանափակել թիվը երկու արժեքներով (ներառյալ)";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "բաժանվում է";
-Blockly.Msg["MATH_IS_EVEN"] = "զույգ է";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "բացասական է";
-Blockly.Msg["MATH_IS_ODD"] = "կենտ է";
-Blockly.Msg["MATH_IS_POSITIVE"] = "դրական է";
-Blockly.Msg["MATH_IS_PRIME"] = "պարզ է";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Ստուգում է, թե թիվը զույգ է, կենտ է, պարզ է, ամբողջ է, դրական է, բացասական է կամ թե այն բաժանվում է որոշակի թվի վրա: Վերադարձնում է ճշմարիտ կամ կեղծ:";
-Blockly.Msg["MATH_IS_WHOLE"] = "ամբողջ է";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "%1֊ի և %2֊ի բաժանման մնացորդը";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Վերադարձնում է երկու թվերի բաժանման մնացորդը:";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://hy.wikipedia.org/wiki/Թիվ";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Թիվ";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "ցանկի միջինը";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "ցանկի առավելագույնը";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "ցանկի միջնարժեք";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "ցանկի նվազագույնը";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "ցանկի մոդան";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "ցանկի պատահական տարր";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "ցանկի ստանդարտ շեղում";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "ցանկի գումարը";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Վերադարձնում է ցանկում գտնվող արժեքների թվաբանական միջինը";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Վերադարձնում է ցանկի արժեքներից առավելագույնը";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Վերադարձնում է ցանկի միջնարժեք:";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Վերադարձնում է ցանկի արժեքներից նվազագույնը";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Վերադարձնում է ցանկի առավել հաճախ հանդիպող անդամների ցանկը։";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Վերադարձնում է  պատահական տարր ցանկից:";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Վերադարձնում է ցանկի ստանդարտ շեղումը:";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Վերադարձնում է ցանկի բոլոր թվերի գումարը:";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Պատահական_թվերի_գեներատոր";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "պատահական կոտորակ";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Վերադարձնում է պատահական թիվ 0.0-ից (ներառյալ) 1.0 միջակայքից:";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "պատահական ամբողջ թիվ %1 -ից  %2 -ը";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Վերադարձնում է պատահական ամբողջ թիվ տրված երկու թվերի միջև (ներառյալ):";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Կլորացում";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "կլորացնել";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "կլորացնել ցած";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "կլորացնել վեր";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Կլորացնում է թիվը վերև կամ ներքև:";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "բացարձակ";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "Քառակուսի արմատ";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Վերադարձնում է թվի բացարձակ արժեքը:";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Վերադարձնում է թվի աստիճանը։";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Վերադարձնում է թվի բնական լոգարիթմը:";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Վերադարձնում է թվի 10 հիմքով լոգարիթմը:";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Վերադարձնում է ժխտված թիվը:";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Վերադարձնում է 10֊ի նշված աստիճանը։";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Վերադարձնում է թվի քառակուսի աստիճանը";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://hy.wikipedia.org/wiki/Եռանկյունաչափական_ֆունկցիաներ";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Վերադարձնում է թվի արկկոսինուսը:";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Վերադարձնում է թվի արկսինուսը(աստիճաններով):";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Վերադարձնում է թվի արկտանգենսը:";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Վերադարձնում է անկյան կոսինուսը աստիճաններով (ոչ ռադիաններով):";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Վերադարձնում է անկյան սինուսը աստիճաններով(ոչ ռադիաններով):";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Վերադարձնում է անկյան տանգենսը աստիճաններով (ոչ ռադիաններով):";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Ստեղծել գույնի փոփոխական";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Ստեղծել թվային փոփոխական";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Ստեղծել տեքստային փոփոխական";
-Blockly.Msg["NEW_VARIABLE"] = "Ստեղծել փոփոխական...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Նոր փոփոխականի անունը՝";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Փոփոխականի նոր տիպ";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "թույլատրել արտահայտությունները";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "պարամետրերի ցանկ՝";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Կատարում է %1 ֆունկցիան";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Կատարում է '%1' ֆունկցիան և օգտագործում դրա արդյունքը։";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "պարամետրերի ցանկ՝";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Ստեղծել '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Նկարագրիր այս ֆունկցիան...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "կատարել որևէ բան";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "ֆունկցիա";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Ստեղծում է ֆունկցիա, որը արժեք չի վերադարձնում:";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "վերադարձնել";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Ստեղծում է ֆունկցիա, որը վերադարձնում է արժեք:";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Զգուշացում։ Այս ֆունկցիան ունի կրկնվող պարամտերեր։";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Ընդգծել ֆունկցիայի հայտարարումը";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Եթե արժեքը ճշմարիտ է, վերադարձնում է երկորդ արժեքը:";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Զգուշացում. Այս բլոկը կարող է օգտագործվել միայն ֆունկցիայի սահմանման ներսում:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "մուտքի անուն՝";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Ֆունկցիային ավելալցնել մուտք (պարամետր)։";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "մուտքեր";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Ավելացնել, հեռացնել կամ վերադասավորել է այս ֆունկցիայի մուտքերը (պարամետրերը)։";
-Blockly.Msg["REDO"] = "Կրկին անել";
-Blockly.Msg["REMOVE_COMMENT"] = "Հեռացնել մեկնաբանությունը";
-Blockly.Msg["RENAME_VARIABLE"] = "Վերանվանել փոփոխականը...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Rename all '%1' variables to:";  // untranslated
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "%1֊ին կցել %2 տեքստը";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Կցել տեքստ '%1' փոփոխականին";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "բերել փոքրատառերի";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "բերել Սկզբնա Մեծատառերի";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "բերել ՄԵԾԱՏԱՌԵՐԻ";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Վերադարձնում է տեքստի կրկնօրինակը, ՄԵԾԱՏԱՌԵՐՈՎ կամ փոքրատառերով";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "վերցնել առաջին տառը";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "վերցնել տառ № վերջից";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "վերցնել տառ №";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "վերցնել վերջին տառ";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "վերցնել պատահական տառ";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "տեքստում %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Վերադարձնում է նշված դիրքի տառը";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "հաշվել %1 %2֊ում";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Հաշվել, թե քանի անգամ է տեքստը հանդիպում մեկ այլ տեքստի մեջ։";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Ավելացնել էլեմենտ տեքստին:";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "կցել";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Այս տեքստային բլոկը վերակառուցելու համար ավելացրու, հեռացրու կամ փոխիր բաժինների հերթականությունը";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "մինչև # տառը, վերջից";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "մինչև # տառը";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "մինչև վերջին տառը";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "տեքստում";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "տալիս է ենթատող առաջին տառից";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "տալիս է ենթատող # տառից սկսած, վերջից";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "տալիս է ենթատող սկսելով # տառից";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Վերադարձնում է տեքստի նշված մասը։";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "գտնել տեքստի առաջին հանդիպումը";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "գտնել տեքստի վերջին հանդիպումը";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "Տեքստում %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Վերադարձնում է առաջին տեքստի հանդիպման առաջին(կամ վերջին) դիրքը երկրորդ տեքստում։ Վերադարձնում %1 եթե տեքստը չի գտնվել։";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 -ը դատարկ է";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Վերադարձնում է ճշմարիտ արժեք, եթե տրամադրված տեքստը դատարկ է:";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "ստեղծել տեքստ";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Ստեղծում է տեքստի մաս՝ միմյանց կցելով ցանկացած քանակությամբ տարրեր:";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1 -ի երկարությունը";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Վերադարձնում է տրված տեքստի տառերի քանակը (ներառյալ բացատները)";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "տպել %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Տպում է նշված տեքստը, թիվը կամ այլ արժեք․";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Հարցնել թիվ օգտատիրոջից։";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Հարցնել տեքստ օգտատիրոջից։";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "հացնել թիվ, հուշումով";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "հարցնել տեքստ, հուշումով";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "փոխարինել %1֊ը  %2֊ով %3֊ում";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Փոխարինել տեքստի բոլոր գտնված տարբերակները մեկ այլ տեսքով։";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "շրջել %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Փոխում է տեքստում տառերի հաջորդականությունը։";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Տառ, բառ կամ տեքստի տող:";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "կտրում է բացատները երկու կողմերից";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "կտրում է բացատները ձախ կողմից";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "կտրում է բացատները աջ կողմից";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Վերադարձնում է տեքստի կրկնօրինակը, առանց սկզբի կամ/և վերջի բացատների։";
-Blockly.Msg["TODAY"] = "Այսօր";
-Blockly.Msg["UNDO"] = "Հետ շրջել";
-Blockly.Msg["UNNAMED_KEY"] = "անանուն";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "տարր";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Ստեղծել 'վերագրել %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Վերադարձնում է այս փոփոխականի արժեքը:";
-Blockly.Msg["VARIABLES_SET"] = "վերագրել %1֊ին %2 արժեքը";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "ստեղծել 'ստանալ %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Փոփոխականին վերագրում է ներմուծված արժեքը։";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "'%1' անունով փոփոխական արդեն գոյություն ունի";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "'%1' անունով փոփոխական արդեն գոյություն ունի այլ տիպի համար: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Մի բան ասա ․․․";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/ia.js b/msg/js/ia.js
deleted file mode 100644
index 6e39a01e4f7..00000000000
--- a/msg/js/ia.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Adder commento";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Impossibile deler le variabile '%1' perque illo face parte del definition del function '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Cambiar valor:";
-Blockly.Msg["CLEAN_UP"] = "Rangiar le blocos";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Blocos plicate contine advertimentos.";
-Blockly.Msg["COLLAPSE_ALL"] = "Plicar blocos";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Plicar bloco";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "color 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "color 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "ration";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "miscer";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Misce duo colores con un ration specificate (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://ia.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Elige un color del paletta.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "color aleatori";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Eliger un color al hasardo.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blau";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "verde";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "rubie";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "colorar con";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Crear un color con le quantitate specificate de rubie, verde e blau. Tote le valores debe esser inter 0 e 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "escappar del bucla";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continuar con le proxime iteration del bucla";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Escappar del bucla continente.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Saltar le resto de iste bucla e continuar con le proxime iteration.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Attention: Iste bloco pote solmente esser usate in un bucla.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "pro cata elemento %1 in lista %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Pro cata elemento in un lista, mitter lo in le variabile '%1' e exequer certe instructiones.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "contar con %1 de %2 a %3 per %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Mitter in le variabile '%1' le valores ab le numero initial usque al numero final, con passos secundo le intervallo specificate, e exequer le blocos specificate.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Adder un condition al bloco \"si\".";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Adder un condition final de reserva al bloco \"si\".";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Adde, remove o reordina sectiones pro reconfigurar iste bloco \"si\".";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "si non";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "si non si";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "si";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Si un valor es ver, exequer certe instructiones.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Si un valor es ver, exequer le prime bloco de instructiones. Si non, exequer le secunde bloco de instructiones.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Si le prime valor es ver, exequer le prime bloco de instructiones. Si non, si le secunde valor es ver, exequer le secunde bloco de instructiones.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Si le prime valor es ver, exequer le prime bloco de instructiones. Si non, si le secunde valor es ver, exequer le secunde bloco de instructiones. Si necun del valores es ver, exequer le ultime bloco de instructiones.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://ia.wikipedia.org/wiki/Bucla_for";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "face";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "repeter %1 vices";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Exequer certe instructiones plure vices.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "repeter usque a";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "repeter durante que";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Durante que un valor es false, exequer certe instructiones.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Durante que un valor es ver, exequer certe instructiones.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Deler tote le %1 blocos?";
-Blockly.Msg["DELETE_BLOCK"] = "Deler bloco";
-Blockly.Msg["DELETE_VARIABLE"] = "Deler le variabile '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Deler %1 usos del variabile '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Deler %1 blocos";
-Blockly.Msg["DISABLE_BLOCK"] = "Disactivar bloco";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplicar";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicar commento";
-Blockly.Msg["ENABLE_BLOCK"] = "Activar bloco";
-Blockly.Msg["EXPAND_ALL"] = "Displicar blocos";
-Blockly.Msg["EXPAND_BLOCK"] = "Displicar bloco";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Entrata externe";
-Blockly.Msg["HELP"] = "Adjuta";
-Blockly.Msg["INLINE_INPUTS"] = "Entrata interne";
-Blockly.Msg["IOS_CANCEL"] = "Cancellar";
-Blockly.Msg["IOS_ERROR"] = "Error";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Adder entrata";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Permitter declarationes";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Iste function ha entratas duplicate.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ENTRATAS";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Adder";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Adder variabile";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Deler";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Non es possibile usar un nomine de variabile vacue.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Renominar";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Nomine del variabile";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "crear un lista vacue";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Retorna un lista, de longitude 0, sin datos.";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "lista";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Adde, remove o reordina sectiones pro reconfigurar iste bloco de listas.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "crear lista con";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Adder un elemento al lista.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Crear un lista con un numero qualcunque de elementos.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "prime";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "№ ab fin";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "prender";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "prender e remover";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "ultime";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "aleatori";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "remover";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Retorna le prime elemento in un lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Retorna le elemento presente al position specificate in un lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Retorna le ultime elemento in un lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Retorna un elemento aleatori in un lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Remove e retorna le prime elemento in un lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Remove e retorna le elemento presente al position specificate in un lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Remove e retorna le ultime elemento in un lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Remove e retorna un elemento aleatori in un lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Remove le prime elemento in un lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Remove le elemento presente al position specificate in un lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Remove le ultime elemento in un lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Remove un elemento aleatori in un lista.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "usque al № ab fin";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "usque al №";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "usque al ultime";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "prender sublista ab initio";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "prender sublista ab le fin ab №";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "prender sublista ab №";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Crea un copia del parte specificate de un lista.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 es le ultime elemento.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 es le prime elemento.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "cercar le prime occurrentia del elemento";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "cercar le ultime occurrentia del elemento";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Retorna le indice del prime/ultime occurrentia del elemento in le lista. Retorna %1 si le elemento non es trovate.";
-Blockly.Msg["LISTS_INLIST"] = "in lista";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 es vacue";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Retorna ver si le lista es vacue.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "longitude de %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Retorna le longitude de un lista.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "crear lista con elemento %1 repetite %2 vices";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Crea un lista que contine le valor fornite, repetite le numero specificate de vices.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "inverter %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Inverter un copia de un lista.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "a";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "inserer in";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "mitter";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Insere le elemento al initio de un lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Insere le elemento al position specificate in un lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Adjunge le elemento al fin de un lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Insere le elemento a un position aleatori in un lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Defini le valor del prime elemento in un lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Defini le valor del elemento al position specificate in un lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Defini le valor del ultime elemento in un lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Defini le valor de un elemento aleatori in un lista.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascendente";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descendente";
-Blockly.Msg["LISTS_SORT_TITLE"] = "ordinamento %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Ordinar un copia de un lista.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignorar majuscula/minuscula";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "crear lista ab texto";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "crear texto ab lista";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Unir un lista de textos, separate per un delimitator, in un sol texto.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Divider texto in un lista de textos, separante lo a cata delimitator.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "con delimitator";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "false";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Retorna o ver o false.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "ver";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://ia.wikipedia.org/wiki/Inequalitate_(mathematica)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Retornar ver si le duo entratas es equal.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Retornar ver si le prime entrata es major que le secunde.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Retornar ver si le prime entrata es major que o equal al secunde.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Retornar ver si le prime entrata es minor que le secunde.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Retornar ver si le prime entrata es minor que o equal al secunde.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Retornar ver si le duo entratas non es equal.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "non %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Retornar ver si le entrata es false. Retornar false si le entrata es ver.";
-Blockly.Msg["LOGIC_NULL"] = "nulle";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Retorna nulle.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "e";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "o";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Retornar ver si ambe entratas es ver.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Retornar ver si al minus un del entratas es ver.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "si false";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "si ver";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Verificar le condition in 'test'. Si le condition es ver, retorna le valor de 'si ver'; si non, retorna le valor de 'si false'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://ia.wikipedia.org/wiki/Arithmetica";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Retornar le summa del duo numeros.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Retornar le quotiente del duo numeros.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Retornar le differentia del duo numeros.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Retornar le producto del duo numeros.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Retornar le prime numero elevate al potentia del secunde numero.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 de X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Retornar le arco tangente del puncto (X, Y) in grados de -180 a 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "cambiar %1 per %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Adder un numero al variabile '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://ia.wikipedia.org/wiki/Constante_mathematic";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Retornar un del constantes commun: π (3,141…), e (2,718…), φ (1,618…), sqrt(2) (1,414…), sqrt(½) (0,707…) o ∞ (infinite).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "limitar %1 inter %2 e %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Limitar un numero a esser inter le limites specificate (incluse).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "es divisibile per";
-Blockly.Msg["MATH_IS_EVEN"] = "es par";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "es negative";
-Blockly.Msg["MATH_IS_ODD"] = "es impare";
-Blockly.Msg["MATH_IS_POSITIVE"] = "es positive";
-Blockly.Msg["MATH_IS_PRIME"] = "es prime";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Verificar si un numero es par, impare, prime, integre, positive, negative, o divisibile per un certe numero. Retorna ver o false.";
-Blockly.Msg["MATH_IS_WHOLE"] = "es integre";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "resto de %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Retornar le resto del division del duo numeros.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://ia.wikipedia.org/wiki/Numero";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Un numero.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "media del lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "maximo del lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "mediana del lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "minimo del lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modas del lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "elemento aleatori del lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "deviation standard del lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "summa del lista";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Retornar le media arithmetic del valores numeric in le lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Retornar le numero le plus grande in le lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Retornar le numero median del lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Retornar le numero le plus parve in le lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Retornar un lista del elemento(s) le plus commun in le lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Retornar un elemento aleatori del lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Retornar le deviation standard del lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Retornar le summa de tote le numeros in le lista.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "fraction aleatori";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Retornar un fraction aleatori inter 0.0 (incluse) e 1.0 (excluse).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "numero integre aleatori inter %1 e %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Retornar un numero integre aleatori inter le duo limites specificate, incluse.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://ia.wikipedia.org/wiki/Rotundamento";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "arrotundar";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "arrotundar a infra";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "arrotundar a supra";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Arrotundar un numero a supra o a infra.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://ia.wikipedia.org/wiki/Radice_quadrate";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolute";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "radice quadrate";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Retornar le valor absolute de un numero.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Retornar e elevate al potentia del numero.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Retornar le logarithmo natural de un numero.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Retornar le logarithmo in base 10 del numero.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Retornar le negation de un numero.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Retornar 10 elevate al potentia de un numero.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Retornar le radice quadrate de un numero.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";  // untranslated
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Retornar le arcocosino de un numero.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Retornar le arcosino de un numero.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Retornar le arcotangente de un numero.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Retornar le cosino de un grado (non radiano).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Retornar le sino de un grado (non radiano).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Retornar le tangente de un grado (non radiano).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Crear variabile de color...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Crear variabile numeric...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Crear variabile textual...";
-Blockly.Msg["NEW_VARIABLE"] = "Crear variabile...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nomine del nove variabile:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Nove typo de variabile:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "permitter declarationes";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "con:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Executar le function '%1' definite per le usator.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Executar le function '%1' definite per le usator e usar su resultato.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "con:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Crear '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe iste function...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "facer qualcosa";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "pro";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Crea un function que non retorna un valor.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "retornar";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Crea un function que retorna un valor.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Attention: Iste function ha parametros duplicate.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Accentuar le definition del function";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Si un valor es ver, alora retornar un secunde valor.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Attention: Iste bloco pote solmente esser usate in le definition de un function.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "nomine del entrata:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Adder un entrata al function.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "entratas";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Adder, remover o reordinar le entratas pro iste function.";
-Blockly.Msg["REDO"] = "Refacer";
-Blockly.Msg["REMOVE_COMMENT"] = "Remover commento";
-Blockly.Msg["RENAME_VARIABLE"] = "Renominar variabile...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Renominar tote le variabiles '%1' a:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "a %1 adjunger texto %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Adjunger un texto al variabile '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "in minusculas";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "con Initiales Majuscule";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "in MAJUSCULAS";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Retornar un copia del texto con differente majusculas/minusculas.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "prender le prime littera";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "prender ab le fin le littera №";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "prender le littera №";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "prender le ultime littera";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "prender un littera aleatori";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in le texto %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Retorna le littera presente al position specificate.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "contar %1 in %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Contar quante vices un texto occurre intra un altere texto.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Adder un elemento al texto.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "unir";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Adde, remove o reordina sectiones pro reconfigurar iste bloco de texto.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "ab le fin usque al littera №";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "usque al littera №";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "usque al ultime littera";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in le texto";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "prender subcatena ab le prime littera";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "prender subcatena ab le fin ab le littera №";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "prender subcatena ab le littera №";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Retorna le parte specificate del texto.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "cercar le prime occurrentia del texto";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "cercar le ultime occurrentia del texto";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in le texto %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Retorna le indice del prime/ultime occurrentia del prime texto in le secunde texto. Retorna %1 si le texto non es trovate.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 es vacue";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Retorna ver si le texto fornite es vacue.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "crear texto con";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Crear un pecia de texto uniente un certe numero de elementos.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "longitude de %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Retorna le numero de litteras (incluse spatios) in le texto fornite.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "scriber %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Scriber le texto, numero o altere valor specificate.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Peter un numero al usator.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Peter un texto al usator.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "peter un numero con le message";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "peter un texto con le message";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "reimplaciar %1 per %2 in %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Reimplaciar tote le occurrentias de un texto intra un altere texto.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "inverter %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Inverte le ordine del characteres in le texto.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Un littera, parola o linea de texto.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "remover spatios de ambe lateres de";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "remover spatios del sinistre latere de";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "remover spatios del dextre latere de";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Retornar un copia del texto con spatios eliminate de un extremitate o ambes.";
-Blockly.Msg["TODAY"] = "Hodie";
-Blockly.Msg["UNDO"] = "Disfacer";
-Blockly.Msg["UNNAMED_KEY"] = "sin nomine";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "cosa";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Crea 'mitter %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Retorna le valor de iste variabile.";
-Blockly.Msg["VARIABLES_SET"] = "mitter %1 a %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Crear 'prender %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Mitte iste variabile al valor del entrata.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Un variabile con le nomine '%1' jam existe.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Un variabile con le nomine '%1' jam existe pro un altere typo: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Spatio de travalio de Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Dice qualcosa...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/id.js b/msg/js/id.js
deleted file mode 100644
index a31db017512..00000000000
--- a/msg/js/id.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Tambahkan Komentar";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Ubah nilai:";
-Blockly.Msg["CLEAN_UP"] = "Bersihkan Blok";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Ciutkan Blok";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Ciutkan Blok";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "warna 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "warna 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "rasio";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "campur";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Campur dua warna secara bersamaan dengan perbandingan (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Pilih warna dari daftar warna.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "Warna acak";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Pilih warna secara acak.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "biru";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "hijau";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "merah";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "Dengan warna";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Buatlah warna dengan jumlah yang ditentukan dari merah, hijau dan biru. Semua nilai harus antarai 0 sampai 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "keluar dari perulangan";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "lanjutkan dengan langkah perulangan berikutnya";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Keluar dari perulangan.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Abaikan sisa dari perulangan ini, dan lanjutkan dengan langkah berikutnya.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Peringatan: Blok ini hanya dapat digunakan dalam perulangan.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "untuk setiap item %1 di dalam list %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Untuk tiap-tiap item di dalam list, tetapkan variabel '%1' ke dalam item, selanjutnya kerjakan beberapa statement.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "Cacah dengan %1 dari %2 ke %3 dengan step / penambahan %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Menggunakan variabel \"%1\" dengan mengambil nilai dari batas awal hingga ke batas akhir, dengan interval tertentu, dan mengerjakan block tertentu.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Tambahkan prasyarat ke dalam blok IF.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Terakhir, tambahkan kondisi tangkap-semua kedalam blok IF.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Tambahkan, hapus, atau susun kembali bagian untuk mengkonfigurasi blok IF ini.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "lainnya";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "atau jika";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "jika";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Jika nilainya benar, maka lakukan beberapa perintah.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Jika nilainya benar, maka kerjakan perintah blok pertama. Jika tidak, kerjakan perintah blok kedua.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Jika nilai pertama benar, maka kerjakan perintah blok pertama. Sebaliknya, jika nilai kedua benar, kerjakan perintah blok kedua.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Jika nilai pertama benar, maka kerjakan perintah blok pertama. Sebaliknya, jika nilai kedua benar, kerjakan perintah blok kedua. Jika dua-duanya tidak benar, kerjakan perintah blok terakhir.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "kerjakan";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "ulangi %1 kali";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Lakukan beberapa perintah beberapa kali.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ulangi sampai";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ulangi jika";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Selagi nilainya salah, maka lakukan beberapa perintah.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Selagi nilainya benar, maka lakukan beberapa perintah.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Hapus semua %1 blok?";
-Blockly.Msg["DELETE_BLOCK"] = "Hapus Blok";
-Blockly.Msg["DELETE_VARIABLE"] = "Hapus variabel '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Hapus %1 yang digunakan pada variabel '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Hapus %1 Blok";
-Blockly.Msg["DISABLE_BLOCK"] = "Nonaktifkan Blok";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplikat";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Aktifkan Blok";
-Blockly.Msg["EXPAND_ALL"] = "Kembangkan Blok";
-Blockly.Msg["EXPAND_BLOCK"] = "Kembangkan Blok";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Input Eksternal";
-Blockly.Msg["HELP"] = "Bantuan";
-Blockly.Msg["INLINE_INPUTS"] = "Input Inline";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";  // untranslated
-Blockly.Msg["IOS_ERROR"] = "Error";  // untranslated
-Blockly.Msg["IOS_OK"] = "OK";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "buat list kosong";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Kembalikan list, dengan panjang 0, tidak berisi data";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "list";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Tambahkan, hapus, atau susun ulang bagian untuk mengkonfigurasi blok list ini.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "buat list dengan";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Tambahkan sebuah item ke list.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Buat sebuah list dengan sejumlah item.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "pertama";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# dari akhir";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "dapatkan";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "dapatkan dan hapus";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "terakhir";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "acak";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "Hapus";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Kembalikan item pertama dalam list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Kembalikan item di posisi tertentu dalam list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Kembalikan item terakhir dalam list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Kembalikan item acak dalam list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Hapus dan kembalikan item pertama dalam list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Hapus dan kembalikan item di posisi tertentu dalam list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Hapus dan kembalikan item terakhir dalam list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Hapus dan kembalikan item acak dalam list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Hapus item pertama dalam list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Hapus item di posisi tertentu dalam list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Hapus item terakhir dalam list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Hapus sebuah item acak dalam list.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "ke # dari akhir";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "ke #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "ke yang paling akhir";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "dapatkan sub-list dari pertama";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "dapatkan sub-list dari nomor # dari akhir";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "dapatkan sub-list dari #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Buat salinan bagian tertentu dari list.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 adalah item terakhir.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 adalah item pertama.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "cari kejadian pertama item";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "cari kejadian terakhir item";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Kembalikan indeks dari item pertama/terakhir kali muncul dalam list. Kembalikan %1 jika item tidak ditemukan.";
-Blockly.Msg["LISTS_INLIST"] = "dalam list";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 kosong";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Kembalikan benar jika list kosong.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "panjang dari %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Kembalikan panjang list.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "buat list dengan item %1 diulang %2 kali";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Buat sebuah list yang terdiri dari nilai yang diberikan diulang sebanyak jumlah yang ditentukan.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "sebagai";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "sisipkan di";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "tetapkan";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Sisipkan item di bagian awal dari list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Sisipkan item ke dalam posisi yang telah ditentukan di dalam list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Tambahkan item ke bagian akhir list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Sisipkan item secara acak ke dalam list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Tetapkan item pertama di dalam list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Tetapkan item ke dalam posisi yang telah ditentukan di dalam list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Menetapkan item terakhir dalam list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Tetapkan secara acak sebuah item dalam list.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "menaik";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "menurun";
-Blockly.Msg["LISTS_SORT_TITLE"] = "urutkan %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Urutkan salinan dari daftar";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "sesuai abjad, abaikan kasus";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "sesuai nomor";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "sesuai abjad";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "buat list dari teks";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "buat teks dari list";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Gabung daftar teks menjadi satu teks, yang dipisahkan oleh pembatas.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Membagi teks ke dalam daftar teks, pisahkan pada setiap pembatas.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "dengan pembatas";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "salah";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Kembalikan benar atau salah.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "benar";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Kembalikan benar jika kedua input sama satu dengan lainnya.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Kembalikan benar jika input pertama lebih besar dari input kedua.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Kembalikan benar jika input pertama lebih besar dari atau sama dengan input kedua.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Kembalikan benar jika input pertama lebih kecil dari input kedua.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Kembalikan benar jika input pertama lebih kecil atau sama dengan input kedua .";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Kembalikan benar jika kedua input tidak sama satu dengan lainnya.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "bukan (not) %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Kembalikan benar jika input salah. Kembalikan salah jika input benar.";
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Kembalikan null.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "dan";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "atau";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Kembalikan benar jika kedua input adalah benar.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Kembalikan benar jika minimal satu input nilainya benar.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "jika salah";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "jika benar";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Periksa kondisi di 'test'. Jika kondisi benar, kembalikan nilai 'if true'; jika sebaliknya kembalikan nilai 'if false'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://id.wikipedia.org/wiki/Aritmetika";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Kembalikan jumlah dari kedua angka.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Kembalikan hasil bagi dari kedua angka.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Kembalikan selisih dari kedua angka.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Kembalikan perkalian dari kedua angka.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Kembalikan angka pertama pangkat angka kedua.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "ubah %1 oleh %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Tambahkan angka kedalam variabel '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Kembalikan salah satu konstanta: π (3,141…), e (2,718…), φ (1,618…), akar(2) (1,414…), akar(½) (0.707…), atau ∞ (tak terhingga).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "Batasi %1 rendah %2 tinggi %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Batasi angka antara batas yang ditentukan (inklusif).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "dapat dibagi oleh";
-Blockly.Msg["MATH_IS_EVEN"] = "adalah bilangan genap";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "adalah bilangan negatif";
-Blockly.Msg["MATH_IS_ODD"] = "adalah bilangan ganjil";
-Blockly.Msg["MATH_IS_POSITIVE"] = "adalah bilangan positif";
-Blockly.Msg["MATH_IS_PRIME"] = "adalah bilangan pokok";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Periksa apakah angka adalah bilangan genap, bilangan ganjil, bilangan pokok, bilangan bulat, bilangan positif, bilangan negatif, atau apakan bisa dibagi oleh angka tertentu. Kembalikan benar atau salah.";
-Blockly.Msg["MATH_IS_WHOLE"] = "adalah bilangan bulat";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "sisa dari %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Kembalikan sisa dari pembagian ke dua angka.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Suatu angka.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "rata-rata dari list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "maksimum dari list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median dari list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "minimum dari list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "mode-mode dari list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "item acak dari list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "deviasi standar dari list";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "jumlah dari list";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Kembalikan rata-rata (mean aritmetik) dari nilai numerik dari list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Kembalikan angka terbesar dari list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Kembalikan median dari list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Kembalikan angka terkecil dari list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Kembalikan list berisi item yang paling umum dari dalam list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Kembalikan elemen acak dari list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Kembalikan standard deviasi dari list.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Kembalikan jumlah dari seluruh bilangan dari list.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "nilai pecahan acak";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Kembalikan nilai pecahan acak antara 0.0 (inklusif) dan 1.0 (eksklusif).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "acak bulat dari %1 sampai %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Kembalikan bilangan acak antara dua batas yang ditentukan, inklusif.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "membulatkan";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "membulatkan kebawah";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "membulatkan keatas";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Bulatkan suatu bilangan naik atau turun.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "mutlak";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "akar";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Kembalikan nilai absolut angka.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Kembalikan 10 pangkat angka.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Kembalikan logaritma natural dari angka.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Kembalikan dasar logaritma 10 dari angka.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Kembalikan penyangkalan terhadap angka.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Kembalikan 10 pangkat angka.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Kembalikan akar dari angka.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Kembalikan acosine dari angka.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Kembalikan asin dari angka.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Kembalikan atan dari angka.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Kembalikan cosinus dari derajat (bukan radian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Kembalikan sinus dari derajat (bukan radian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Kembalikan tangen dari derajat (bukan radian).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Buat variabel...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nama variabel baru:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "memungkinkan pernyataan";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "dengan:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Menjalankan fungsi '%1' yang ditetapkan pengguna.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Menjalankan fungsi  '%1' yang ditetapkan pengguna dan menggunakan outputnya.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "dengan:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Buat '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Jelaskan fungsi ini...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "buat sesuatu";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "untuk";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Buat sebuah fungsi tanpa output.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "kembali";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Buat sebuah fungsi dengan satu output.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Peringatan: Fungsi ini memiliki parameter duplikat.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Sorot definisi fungsi";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Jika nilai yang benar, kemudian kembalikan nilai kedua.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Peringatan: Blok ini dapat digunakan hanya dalam definisi fungsi.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "masukan Nama:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Tambahkan masukan ke fungsi.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "input";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Menambah, menghapus, atau menyusun ulang masukan untuk fungsi ini.";
-Blockly.Msg["REDO"] = "Lakukan ulang";
-Blockly.Msg["REMOVE_COMMENT"] = "Hapus Komentar";
-Blockly.Msg["RENAME_VARIABLE"] = "Ubah nama variabel...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Ubah nama semua variabel '%1' menjadi:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "untuk %1 tambahkan teks %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Tambahkan beberapa teks ke variabel '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "menjadi huruf kecil";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "menjadi huruf pertama kapital";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "menjadi huruf kapital";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Kembalikan kopi dari text dengan kapitalisasi yang berbeda.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "ambil  huruf pertama";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "ambil  huruf nomor # dari belakang";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "ambil huruf ke #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "ambil  huruf terakhir";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "ambil huruf secara acak";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Kembalikan karakter dari posisi tertentu.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Tambahkan suatu item ke dalam teks.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "join";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Tambah, ambil, atau susun ulang teks blok.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "pada huruf nomer # dari terakhir";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "pada huruf #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "pada huruf terakhir";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in teks";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "ambil bagian teks (substring) dari huruf pertama";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "ambil bagian teks (substring) dari huruf ke # dari terakhir";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "ambil bagian teks (substring) dari huruf no #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Kembalikan spesifik bagian dari teks.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "temukan kejadian pertama dalam teks";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "temukan kejadian terakhir dalam teks";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "dalam teks %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Kembalikan indeks pertama dan terakhir dari kejadian pertama/terakhir dari teks pertama dalam teks kedua.  Kembalikan %1 jika teks tidak ditemukan.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 kosong";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Kembalikan benar jika teks yang disediakan kosong.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "buat teks dengan";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Buat teks dengan cara gabungkan sejumlah item.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "panjang dari %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Kembalikan sejumlah huruf (termasuk spasi) dari teks yang disediakan.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "cetak %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Cetak teks yant ditentukan, angka atau ninlai lainnya.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Meminta pengguna untuk memberi sebuah angka.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Meminta pengguna untuk memberi beberapa teks.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "Meminta angka dengan pesan";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "meminta teks dengan pesan";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Huruf, kata atau baris teks.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "pangkas ruang dari kedua belah sisi";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "pangkas ruang dari sisi kiri";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "pangkas ruang dari sisi kanan";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Kembali salinan teks dengan spasi dihapus dari satu atau kedua ujungnya.";
-Blockly.Msg["TODAY"] = "Hari ini";
-Blockly.Msg["UNDO"] = "Urungkan";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "item";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Buat 'set %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Kembalikan nilai variabel ini.";
-Blockly.Msg["VARIABLES_SET"] = "tetapkan %1 untuk %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Buat 'get %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "tetapkan variabel ini dengan input yang sama.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Sebuah variabel dengan nama '%1' sudah ada.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/ig.js b/msg/js/ig.js
deleted file mode 100644
index 0719e753f4d..00000000000
--- a/msg/js/ig.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Tịnye okwu";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Agaghị ekpochapụlị agbanwe '%1' maka nsonye ya na nkọwa nke ọrụ ahụ '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Gbanwee akara:";
-Blockly.Msg["CLEAN_UP"] = "Hichapụ ngọngọ";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Kwada Ngọngọ";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Kwada Ngọngọ";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "agba 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "agba 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "oke";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "ngwakọta";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Na ngwakọta agba abụọ ọnụ na na oke enyere (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Họrọ agba site na palette.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "agba ọbụla";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Họrọ agba na-nke ọbụla.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "bluu";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "akwụkwọ ndụ";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "uhie";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "agba ya na";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Mepụta agba nwere ọnụ ọgụgụ kpọmkwem nke agba uhie, akwụkwọ ndụ, na akara niile ga-adịrịrị n'etiti 0 rụọ 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "gbapuo na meghachi a";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "malite na nsoghari nke meghachi ozo";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Gba puo na gburugburu nke ọdị n’ime ya.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Wụọ mkpụchị meghachi ndị a fọdụrụ, ma gaa n'ihu na nsoghari nke aka.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Ịdọ aka ná ntị: Enwere ike iji ngọngọ a naanị n'ime meghachi.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "maka ihe ọ bụla %1 n'ime ndepụta %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Maka ihe ọ bụla n'ime ndepụta, debe agbanwe '%1' na ihe ahụ, wee degharịa ụfọdụ koodu.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "gụọ na %1 site na %2 rụọ %3 tupu %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Nwere ngwakọta '%1' na akara ọbụla sịte na mbịdo ọnụọgụgụ rụọ na ngwụcha ọnụọgụgụ, na-ngụta sịtere na nkeji oge kpọmkwem. megharịa koodu oge ọbụla:";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Tinye ọnọdụ na ngọngọ ma ọ bụrụ.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Tinye ngwucha, ọnọdụ jide-niile na ngọngọ ma ọ bụrụ.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Tinye, wepu, ma ọ bụ megharia ngalaba iji haziearịa nke a ma ọ bụrụ na ngọngọ.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "ọzọ";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "ọzọ ma ọ bụrụ";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ọ bụrụ";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Ọ bụrụ na akara bụ ezịọkwụ, mezie ụfọdụ okwu.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Ọ bụrụ na akara bụ ezịọkwụ, mezie ngọngọ mbụ nke okwu. Ma ọ bụghị ya, mezie ngọngọ nke abụọ nke okwu.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Ọ bụrụ na akara mbụ bụ ezịọkwụ, mezie ngọngọ mbụ nke okwu. Ma ọ bụghị ya, ọ bụrụ na akara nke abụọ bụ ezịọkwụ, mee ngọngọ nke abụọ nke okwu.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Ọ bụrụ na akara mbụ bụ ezịọkwụ, mezie ngọngọ mbụ nke okwu. Ma ọ bụghị ya, ọ bụrụ na akara nke abụọ bụ ezịọkwụ, mee ngọngọ nke abụọ nke okwu. Ọ bụrụ na onweghị akara bụ ezịọkwụ, mee ngọngọ okwu ikpeazụ.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "mee";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "meghachi ụgbọ %1";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Mee ụfọdụ okwu ọtụtụ ugboro.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "megharịa tụpụ";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "megharịa mgbe";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Ọ bụ ebe akara bụ ụgha, megharịa ụfọdụ koodu.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Ọ bụ ebe akara bụ ezịọkwụ, megharịa ụfọdụ koodu.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Mkpọchi %1 ngọngọ niile?";
-Blockly.Msg["DELETE_BLOCK"] = "Kpochapụ Ngọngọ";
-Blockly.Msg["DELETE_VARIABLE"] = "Kpochapụ agbanwe ‘%1' ahu";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Kpochapụ %1 ojịjị nke agbanwe '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Kpochapụ %1 Ngọngọ";
-Blockly.Msg["DISABLE_BLOCK"] = "Gbanyụọ Ngọngọ";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Ntụgharị";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Tụgharịa okwu";
-Blockly.Msg["ENABLE_BLOCK"] = "Gbanye Ngọngọ";
-Blockly.Msg["EXPAND_ALL"] = "Gbasaa Ngọngọ";
-Blockly.Msg["EXPAND_BLOCK"] = "Gbasaa Ngọngọ";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Ntinye Mpụta";
-Blockly.Msg["HELP"] = "Enyemaka";
-Blockly.Msg["INLINE_INPUTS"] = "Ntinye N'ahịrị";
-Blockly.Msg["IOS_CANCEL"] = "Hapụ̀";
-Blockly.Msg["IOS_ERROR"] = "Njehie";
-Blockly.Msg["IOS_OK"] = "Ọ DỊ MMA";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Tinye ntinye";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Kwe ka okwu";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Ọrụ a nwere ọnụọgụ abụọ.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "NTINYE";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Tinye";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Tinye agbanwe";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Kpochapụ";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Ị nweghị ike iji aha agbanwe dị n’efu.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Nyegharịa aha";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Aha agbanwe";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "mepụta ndepụta efu";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Weghachite ndepụta, nke ogologo 0, nke enweghị ndekọ data";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "ndepụta";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Tinye, wepu, ma ọ bụ megharia ngalaba iji haziearia ngọngọ ederede a.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "mepụta ndepụta";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Tinye ihe na ndepụta.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Mepụta ndepụta na nọmba ọ bụla.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "mbu";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# site na njedebe";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "nweta";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "nweta ma wepu";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "ikpeazụ";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "nke ọ bụla";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "wepu";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Weghachitere ihe mbụ n'ime ndepụta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Weghachitere ihe na ọnọdụ a kapịrị ọnụ na ndepụta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Weghachitere ihe ikpeazụ n'ime ndepụta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Weghachitere ihe ọbụla n'ime ndepụta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Wepu ma weghachite ihe mbu na ndepụta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Wepu ma weghachite ihe na ọnọdụ a kapịrị ọnụ na ndepụta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Wepu ma weghachite ihe ikpeazụ n'ime ndepụta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Wepu ma weghachite ihe ọbụla n'ime ndepụta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Wepu ihe mbụ n'ime ndepụta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Wepu ihe ahụ na ọnọdụ a kapịrị ọnụ na ndepụta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Wepu ihe ikpeazụ n'ime ndepụta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Wepu ihe ọbụla n'ime ndepụta.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "rụọ # site na njedebe";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "rụọ #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "rụọ na ngwụcha";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "nweta akụkụ ndepụta site na mbịdo";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "nweta akụkụ ndepụta site na # site na njedebe";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "nweta akụkụ ndepụta site na #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Na-emepụta otu akụkụ a kapịrị ọnụ nke ndepụta.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 bụ ihe ikpeazụ.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 bụ ihe mbụ.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "chọta ihe mbu nke ihe";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "chọta ihe ikpeazụ nke ihe";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Weghachitere ntughari nke mbụ / nke ikpeazụ nke ihe dị na ndepụta. Weghachitere %1 ma ọ bụrụ na achọtaghị ihe.";
-Blockly.Msg["LISTS_INLIST"] = "n’ime ndepụta";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 ghe oghe";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Weghachite eziokwu ma ọ bụrụ na ndepụta ahụ dị n’efu.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "ogo nke %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Weghachite ogo nke ndepụta.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "mepụta ndepụta na ihe %1 emegharịrị ugboro %2";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Na-emepụta listi ndepụta gụnyere akara a nyere ya ugboro ugboro.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "gbanwe %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Tụgharịa otu akụkụ ndepụta.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "dị ka";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "tinye na";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Na-etinye ihe ahụ na mmalite nke ndepụta.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Na-etinye ihe na ọnọdụ a kapịrị ọnụ na ndepụta.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Na-etinye ihe ahụ na ngwụcha nke ndepụta.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Na-etinye ihe ahụ na ebe ọbụla nke ndepụta.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Debe ihe mbụ n'ime ndepụta.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Debe ihe ahụ na ọnọdụ a kapịrị ọnụ na ndepụta.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Debe ihe ikpeazụ n'ime ndepụta.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Debe ihe ọbụla n'ime ndepụta.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "arịgo";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "agbada";
-Blockly.Msg["LISTS_SORT_TITLE"] = "hazie %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Tọọ otu akụkụ ndepụta ahụ.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "mkpụrụ edemede, leghara ọnọdụ anya";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "nọmba";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "mkpụrụ edemede";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "mee ndepụta site na ederede";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "mee ederede site na ndepụta";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Jikọọ ndepụta nke ederede gaa na otu ederede, nke oihe nkewa kewara.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Kewaa ederede n'ime ndepụta nke ederede, na-agbasa na ihe nkwea ọ bụla.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "na ihe nkewa";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ụgha";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Weghachitere ezịọkwụ ma ọ bụ ụgha.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "ezịọkwụ";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Weghachi ezịọkwụ ma ọ bụrụ na ntinye hatara onwe ha.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Weghachi ezịọkwụ ma ọ bụrụ na ntinye mbu dị ụkwụụ karia ntinye nke abụọ.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Weghachi ezịọkwụ ma ọ bụrụ na ntinye mbu dị ụkwụụ karia ma ọ bụ hatara ntinye nke abụọ.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Weghachi ezịọkwụ ma ọ bụrụ na ntinye mbu dị obere karia ntinye nke abụọ.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Weghachi ezịọkwụ ma ọ bụrụ na ntinye mbu dị obere karia ma ọ bụ hatara ntinye nke abụọ.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Weghachi ezịọkwụ ma ọ bụrụ na ntinye aghataghị onwe ha.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ma ọ bụghị %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Weghachitere ezịọkwụ ma ọ bụrụ na ntinye bụ ụgha. Weghachitere ụgha ma ọ bụrụ na ntinye bụ ezịọkwụ.";
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Weghachitere nkịtị.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "ma";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ma ọ bụrụ";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Weghachi ezịọkwụ ma ọ bụrụ na ntinye abụọ a bụ ezịọkwụ.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Weghachi ezịọkwụ ma ọ bụrụ na ọdịkarịa ala otu n’ime ntinye a bụ ezịọkwụ.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "ule";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "ọ bụrụ ụgha";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "ọ bụrụ na eziokwu";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Lelee ọnọdụ na 'ule'. Ọ bụrụ na ọnọdụ ahụ bụ eziokwu, weghachitere akara 'ọ bụrụ na eziokwu’; ma ọ bụghị ya weghachitere akara 'ọ bụrụ ụgha'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Weghachite ngụkọ ọnụ ọgụgụ abụọ ahụ.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Weghachite kwenye ọnụ ọgụgụ abụọ ahụ.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Weghachite nwepụ ọnụ ọgụgụ abụọ ahụ.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Weghachite mụbaa ọnụ ọgụgụ abụọ ahụ.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Weghachite nọmba mbu nke emeturu ike nke nọmba nke abụọ.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 nke X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Weghachite aktanjentị nke isi (X, Y) na ogo site na -180 rụọ 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "gbanwee %1 site na %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Tinye nọmba na agbanwe '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Weghachite otu n'ime kọnstant ndị nkịtị: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "gbochịe %1 ala %2 elu %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Gbochịe ọnụọgụgụ dị n'etiti nọmba dị oke ala na nọmba dị oke elu (gụnyere).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "ga ekenwụ";
-Blockly.Msg["MATH_IS_EVEN"] = "bụ ịvụn";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "bụ negetịf";
-Blockly.Msg["MATH_IS_ODD"] = "bụ ọd";
-Blockly.Msg["MATH_IS_POSITIVE"] = "bu posịtịf";
-Blockly.Msg["MATH_IS_PRIME"] = "bụ praim";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Tụlee ma nọmba ọ bụ ịvụn, ọd, praim, zuru ezu, posịtịf, negetịf, ma e nwere nọmba ga ekenwu ya. Weghachitere eziokwu ma ọ bụ ụgha.";
-Blockly.Msg["MATH_IS_WHOLE"] = "zuru ezu";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "ihe fọdụrụ nke %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Weghachite ihe fọdụrụ site na nkewa nọmba abụọ.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Ọnụọgụgụ.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "agbaetiti nke ndepụta";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "ọkacha ukwuu nke ndepụta";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "etiti nke ndepụta";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "opekempe nke ndepụta";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "ụdị ndepụta";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "Ihe ọbụla nke ndepụta";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "ntughari usoro nke ndepụta";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "nchịkọta nke ndepụta";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Weghachite agbaetiti (nchịkọta mpụta) nke akara ọnụọgụ na ndepụta.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Weghachite nọmba kacha ukwuu na ndepụta.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Weghachite nọmba agbaetiti na ndepụta.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Weghachite nọmba kacha obere na ndepụta.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Weghachite ndepụta nke nke ihe kachasị mkpa na ndepụta.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Weghachite Ihe ọbụla site na ndepụta.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Weghachite ntughari usoro nke ndepụta.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Weghachite nchịkọta nke nọmba niile na ndepụta.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "nkewa ọbụla";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Weghachite ọnụọgụgụ ọbụla dị n'etiti 0.0 (gụnyere) na 1.0 (agụnyeghị).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "ọnụọgụgụ ọbụla site na %1 rụọ %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Weghachite ọnụọgụgụ ọbụla dị n'etiti ihe abụọ a kapịrị ọnụ, agụnyere.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "gbaarịa";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "gbatụọ ala";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "gbaago elu";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Gbaago nọmba n'elu ma ọ bụ ala.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "ozụzụ";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "Isi ngụkọ";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Weghachite akara ozụzụ nke nọmba.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Weghachite na ike nke nọmba.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Weghachite lọgarịdịm nke di na nọmba.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Weghachite isi lọgarịdịm 10 nke nọmba.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Weghachite njụ nke nọmba.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Weghachite 10 na ike nke nọmba.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Weghachite Isi ngụkọ nke nọmba.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Weghachite akosaịn nke nọmba.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Weghachite aksaịn nke nọmba.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Weghachite aktanjentị nke nọmba.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Weghachite kosaịn nke ogo (ọ bụghị redian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Weghachite saịn nke ogo (ọ bụghị redian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Weghachite tanjentị nke ogo (ọ bụghị redian).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Mepụta agba agbanwe...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Mepụta nọmba agbanwe...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Mepụta njikọ agbanwe...";
-Blockly.Msg["NEW_VARIABLE"] = "Mepụta agbanwe...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Aha agbanwe ọhụụ:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Ụdị agbanwe ọhụụ:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "kwe ka okwu";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "na:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Gbaa ọrụ a kọwaa onye-ọrụ '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Gbaa ọrụ a kọwaa onye-ọrụ '%1' ma jiri mmepụta ya.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "na:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Mepụta '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Kọwaa ọrụ a...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "megharịa";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "ga na";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Na emepụta ọrụ na-enweghị mmepụta.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "weghachite";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Na emepụta ọrụ nwere mmepụta.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Ịdọ aka ná ntị: Ọrụ a nwere ọnụọgụ abụọ.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Nkọwapụta njirimara ọrụ";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Weghachite akara nke agbanwe a.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Ịdọ aka ná ntị: Ọrụ a nwere ọnụọgụ abụọ.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "tinye aha:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Tinye ntinye aka na ọrụ ahụ.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "ntinye";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Tinye, wepu, ma ọ bụ tugharịa ntinye na ọrụ a.";
-Blockly.Msg["REDO"] = "Megharịa";
-Blockly.Msg["REMOVE_COMMENT"] = "Wepu okwu";
-Blockly.Msg["RENAME_VARIABLE"] = "Nyegharịa agbanwe aha...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Nyegharịa agbanwe '%1' nille ga:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "iji %1 tinye ederede %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Tinye ederede na mgbanwee '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "na ahịrị elu";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "na Aha Ahịrị";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "na AHỊRỊ ELU";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "AA <-> aa";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "nweta akwụkwọ ozi mbu";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "nweta akwụkwọ ozi # site na njedebe";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "nweta akwụkwọ ozi #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "nweta akwụkwọ ozi ikpeazụ";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "nweta akwụkwọ ozi ọbụla";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "chọta na ederede %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Weghachite akwụkwọ ozi ahụ na ọnọdụ a kapịrị ọnụ.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "gụọ %1 n’ime %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Gụọ ugboro ole ụfọdụ ederede na’apụta n’ụfọdụ ederede ọzọ.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Tinye ihe na ederede.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "jikọta";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Tinye, wepu, ma ọ bụ megharia ngalaba iji haziearia ngọngọ ederede a.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "na akwụkwọ ozi # site na njedebe";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "na akwụkwọ ozi #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "na leta ikpeazụ";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "chọta na ederede";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "nweta njịkọ-ala na akwụkwọ ozi mbu";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "nweta njịkọ-ala na akwụkwọ ozi # site na njedebe";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "nweta njịkọ-ala na akwụkwọ ozi #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Weghachite akụkụ nke akọwapụtara ederede.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "chọta ihe omume mbu nke ederede";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "chọta ihe omume ikpeazụ nke ederede";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "chọta na ederede %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Weghachitere ntughari nke mbụ / nke ikpeazụ nke ihe dị na ndepụta. Weghachitere %1 ma ọ bụrụ na achọtaghị ihe.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 di n’efu";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Weghachitere ezịọkwụ ma ọ bụrụ na ederede enyere di n’efu.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "mepụta ederede na";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Mepụta otu ederede site na ijikọta ọnụ ọgụgụ ihe ọ bụla.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "ogologo nke %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Weghachitere nọmba nke akwụkwọ ozi (gụnyere oghere) na ederede enyere.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "bipụta %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Bipụta ederede a kapịrị ọnụ, nọmba ma ọ bụ akara ọzọ.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Mepụta ngwa onye ọrụ maka nọmba.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Mepụta ngwa onye ọrụ maka ederede.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "Mepụta ngwa maka maka nọmba na ozi";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "Mepụta ngwa maka iji ederede na ozi";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "dochie %1 na %2 n’ime %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Dochie ihe omuma nke ederede ufodu n'ime ufodu ederede ozo.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "gbanwe %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Na-agbanwe iwu nke ndị odide na ederede.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Akwụkwọ ozi, okwu, ma ọ bụ akara ederede.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "belata oghere dị mkpụmkpụ si n'akụkụ abụọ nke";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "belata oghere dị mkpụmkpụ si n'akụkụ aka ịkpa nke";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "belata oghere dị mkpụmkpụ si n'akụkụ aka nrị nke";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Weghachite otu ederede ya na oghere ọzọ wepụrụ site n'otu ma ọ bụ akụkụ mechị abụọ.";
-Blockly.Msg["TODAY"] = "Taa";
-Blockly.Msg["UNDO"] = "Me la àzụ";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "ihe";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Mepụta 'dozie %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Weghachite akara nke agbanwe a.";
-Blockly.Msg["VARIABLES_SET"] = "dozie %1 ga na %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Mepụta 'nweta uru %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Debe mgbanwe a ka ọ ghata ihe ntinye.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Agbanwe akpọrọ '%1' dị adị.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Agbanwe akpọrọ '%1' dị adị na ụdị ozo: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Kwuo ihe ọ bụla...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/is.js b/msg/js/is.js
deleted file mode 100644
index 9fb77f86f43..00000000000
--- a/msg/js/is.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Skrifa skýringu";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Breyta gildi:";
-Blockly.Msg["CLEAN_UP"] = "Hreinsa kubba";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Loka kubbum";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Loka kubbi";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "litur 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "litur 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "hlutfall";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "blöndun";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Blandar tveimur litum í gefnu hlutfalli (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Velja lit úr litakorti.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "einhver litur";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Velja einhvern lit af handahófi.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blátt";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "grænt";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "rauður";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "litur";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Búa til lit úr tilteknu magni af rauðu, grænu og bláu. Allar tölurnar verða að vera á bilinu 0 til 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "fara út úr lykkju";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "fara beint í næstu umferð lykkjunnar";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Fara út úr umlykjandi lykkju.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Sleppa afganginum af lykkjunni og fara beint í næstu umferð hennar.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Aðvörun: Þennan kubb má aðeins nota innan lykkju.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "fyrir hvert %1 í lista %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Fyrir hvert atriði í lista er breyta '%1' stillt á atriðið og skipanir gerðar.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "telja með %1 frá %2 til %3 um %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Láta breytuna '%1' taka inn gildi frá fyrstu tölu til síðustu tölu, hlaupandi á tiltekna bilinu og gera tilteknu kubbana.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Bæta skilyrði við EF kubbinn.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Bæta við hluta EF kubbs sem grípur öll tilfelli sem uppfylla ekki hin skilyrðin.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Bæta við, fjarlægja eða umraða til að breyta skipan þessa EF kubbs.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "annars";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "annars ef";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ef";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Ef gildi er satt skal gera einhverjar skipanir.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Ef gildi er satt skal gera skipanir í fyrri kubbnum. Annars skal gera skipanir í seinni kubbnum.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Ef fyrra gildið er satt skal gera skipanir í fyrri kubbnum. Annars, ef seinna gildið er satt, þá skal gera skipanir í seinni kubbnum.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Ef fyrra gildið er satt skal gera skipanir í fyrri kubbnum. Annars, ef seinna gildið er satt, skal gera skipanir í seinni kubbnum. Ef hvorugt gildið er satt, skal gera skipanir í síðasta kubbnum.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "gera";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "endurtaka %1 sinnum";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Gera eitthvað aftur og aftur.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "endurtaka þar til";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "endurtaka á meðan";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Endurtaka eitthvað á meðan gildi er ósatt.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Endurtaka eitthvað á meðan gildi er satt.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Eyða öllum %1 kubbunum?";
-Blockly.Msg["DELETE_BLOCK"] = "Eyða kubbi";
-Blockly.Msg["DELETE_VARIABLE"] = "Eyða '%1' breytunni";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "Eyða %1 kubbum";
-Blockly.Msg["DISABLE_BLOCK"] = "Óvirkja kubb";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Afrita";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Tvítaka athugasemd";
-Blockly.Msg["ENABLE_BLOCK"] = "Virkja kubb";
-Blockly.Msg["EXPAND_ALL"] = "Opna kubba";
-Blockly.Msg["EXPAND_BLOCK"] = "Opna kubb";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Ytri inntök";
-Blockly.Msg["HELP"] = "Hjálp";
-Blockly.Msg["INLINE_INPUTS"] = "Innri inntök";
-Blockly.Msg["IOS_CANCEL"] = "Hætta við";
-Blockly.Msg["IOS_ERROR"] = "Villa";
-Blockly.Msg["IOS_OK"] = "Í lagi";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Bæta við";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Bæta við breytu";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Eyða";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Endurnefna";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Nafn breytu";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "búa til tóman lista";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Skilar lista með lengdina 0 án gagna";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "listi";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Bæta við, fjarlægja eða umraða hlutum til að breyta skipan þessa listakubbs.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "búa til lista með";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Bæta atriði við listann.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Búa til lista með einhverjum fjölda atriða.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "fyrsta";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# frá enda";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "sækja";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "sækja og fjarlægja";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "síðasta";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "eitthvert";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "fjarlægja";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Skilar fyrsta atriði í lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Skilar atriðinu í hinum tiltekna stað í lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Skilar síðasta atriði í lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Skilar einhverju atriði úr lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Fjarlægir og skilar fyrsta atriðinu í lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Fjarlægir og skilar atriðinu á hinum tiltekna stað í lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Fjarlægir og skilar síðasta atriðinu í lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Fjarlægir og skilar einhverju atriði úr lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Fjarlægir fyrsta atriðið í lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Fjarlægir atriðið á hinum tiltekna stað í lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Fjarlægir síðasta atriðið í lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Fjarlægir eitthvert atriði úr lista.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "til # frá enda";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "til #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "til síðasta";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "sækja undirlista frá fyrsta";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "sækja undirlista frá # frá enda";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "sækja undirlista frá #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Býr til afrit af tilteknum hluta lista.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 er síðasta atriðið.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 er fyrsta atriðið.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "finna fyrsta tilfelli atriðis";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "finna síðasta tilfelli atriðis";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Finnur hvar atriðið kemur fyrir fyrst/síðast í listanum og skilar sæti þess. Skilar %1 ef atriðið finnst ekki.";
-Blockly.Msg["LISTS_INLIST"] = "í lista";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 er tómur";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Skilar sönnu ef listinn er tómur.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "lengd %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Skilar lengd lista.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "búa til lista með atriði %1 endurtekið %2 sinnum";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Býr til lista sem inniheldur tiltekna gildið endurtekið tiltekið oft.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "snúa við %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Snúa við afriti lista.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "sem";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "bæta við";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "setja í";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Bætir atriðinu fremst í listann.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Bætir atriðinu í listann á tilteknum stað.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Bætir atriðinu aftan við listann.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Bætir atriðinu einhversstaðar við listann.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Setur atriðið í fyrsta sæti lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Setur atriðið í tiltekna sætið í listanum.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Setur atriðið í síðasta sæti lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Setur atriðið í eitthvert sæti lista.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "hækkandi";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "lækkandi";
-Blockly.Msg["LISTS_SORT_TITLE"] = "raða %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Raða afriti lista.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "í stafrófsröð án tillits til stafstöðu";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "í númeraröð";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "í stafrófsröð";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "gera lista úr texta";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "gera texta úr lista";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Sameinar lista af textum í einn texta, með skiltákn á milli.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Skiptir texta í lista af textum, með skil við hvert skiltákn.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "með skiltákni";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ósatt";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Skilar annað hvort sönnu eða ósönnu.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "satt";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Skila sönnu ef inntökin eru jöfn.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Skila sönnu ef fyrra inntakið er stærra en seinna inntakið.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Skila sönnu ef fyrra inntakið er stærra en eða jafnt og seinna inntakið.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Skila sönnu ef fyrra inntakið er minna en seinna inntakið.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Skila sönnu ef fyrra inntakið er minna en eða jafnt og seinna inntakið.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Skila sönnu ef inntökin eru ekki jöfn.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ekki %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Skilar sönnu ef inntakið er ósatt. Skilar ósönnu ef inntakið er satt.";
-Blockly.Msg["LOGIC_NULL"] = "tómagildi";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Skilar tómagildi.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "og";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";
-Blockly.Msg["LOGIC_OPERATION_OR"] = "eða";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Skila sönnu ef bæði inntökin eru sönn.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Skila sönnu ef að minnsta kosti eitt inntak er satt.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "prófun";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "ef ósatt";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "ef satt";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Kanna skilyrðið í 'prófun'. Skilar 'ef satt' gildinu ef skilyrðið er satt, en skilar annars 'ef ósatt' gildinu.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Skila summu talnanna tveggja.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Skila deilingu talnanna.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Skila mismun talnanna.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Skila margfeldi talnanna.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Skila fyrri tölunni í veldinu seinni talan.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "breyta %1 um %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Bæta tölu við breytu '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Skila algengum fasta: π (3.141…), e (2.718…), φ (1.618…), kvrót(2) (1.414…), kvrót(½) (0.707…) eða ∞ (óendanleika).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "þröngva %1 lægst %2 hæst %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Þröngva tölu til að vera innan hinna tilgreindu marka (að báðum meðtöldum).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "er\u00A0deilanleg með";
-Blockly.Msg["MATH_IS_EVEN"] = "er\u00A0jöfn tala";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "er neikvæð";
-Blockly.Msg["MATH_IS_ODD"] = "er oddatala";
-Blockly.Msg["MATH_IS_POSITIVE"] = "er jákvæð";
-Blockly.Msg["MATH_IS_PRIME"] = "er prímtala";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Kanna hvort tala sé jöfn tala, oddatala, jákvæð, neikvæð eða deilanleg með tiltekinni tölu. Skilar sönnu eða ósönnu.";
-Blockly.Msg["MATH_IS_WHOLE"] = "er heiltala";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "afgangur af %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Skila afgangi deilingar með tölunum.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Tala.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "meðaltal lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "stærst í lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "miðgildi lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "minnst í lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "tíðast í lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "eitthvað úr lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "staðalfrávik lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "summa lista";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Skila meðaltali talna í listanum.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Skila stærstu tölu í listanum.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Skila miðgildi listans.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Skila minnstu tölu í listanum.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Skila lista yfir tíðustu gildin í listanum.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Skila einhverju atriði úr listanum.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Skila staðalfráviki lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Skila summu allra talna í listanum.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "slembibrot";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Skila broti sem er valið af handahófi úr tölum á bilinu frá og með 0.0 til (en ekki með) 1.0.";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "slembitala frá %1 til %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Skila heiltölu sem valin er af handahófi og er innan tilgreindra marka, að báðum meðtöldum.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "námunda";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "námunda niður";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "námunda upp";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Námunda tölu upp eða niður.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "algildi";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "kvaðratrót";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Skila algildi tölu.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Skila e í veldi tölu.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Skila náttúrlegum lógaritma tölu.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Skila tugalógaritma tölu.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Skila neitun tölu (tölunni með öfugu formerki).";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Skila 10 í veldi tölu.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Skila kvaðratrót tölu.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Skila arkarkósínusi tölu.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Skila arkarsínusi tölu.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Skila arkartangensi tölu.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Skila kósínusi horns gefnu í gráðum.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Skila sínusi horns gefnu í gráðum.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Skila tangensi horns gefnu í gráðum.";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Búa til breytu...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Heiti nýrrar breytu:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "leyfa setningar";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "með:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Keyra heimatilbúna fallið '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Keyra heimatilbúna fallið '%1' og nota úttak þess.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "með:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Búa til '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Lýstu þessari aðgerð/falli...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "gera eitthvað";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "til að";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Býr til fall sem skilar engu.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "skila";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Býr til fall sem skilar úttaki.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Aðvörun: Þetta fall er með tvítekna stika.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Sýna skilgreiningu falls";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Ef gildi er satt, skal skila öðru gildi.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Aðvörun: Þennan kubb má aðeins nota í skilgreiningu falls.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "heiti inntaks:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Bæta inntaki við fallið.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inntök";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Bæta við, fjarlægja eða umraða inntökum fyrir þetta fall.";
-Blockly.Msg["REDO"] = "Endurtaka";
-Blockly.Msg["REMOVE_COMMENT"] = "Fjarlægja skýringu";
-Blockly.Msg["RENAME_VARIABLE"] = "Endurnefna breytu...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Endurnefna allar '%1' breyturnar:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";
-Blockly.Msg["TEXT_APPEND_TITLE"] = "við %1 bæta texta %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Bæta texta við breytuna '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "í lágstafi";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "í Upphafstafi";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "í HÁSTAFI";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Skila afriti af textanum með annarri stafastöðu.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "sækja fyrsta staf";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "sækja staf # frá enda";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "sækja staf #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";
-Blockly.Msg["TEXT_CHARAT_LAST"] = "sækja síðasta staf";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "sækja einhvern staf";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "í texta %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Skila staf á tilteknum stað.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "fjöldi %1 í %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Bæta atriði við textann.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "tengja";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Bæta við, fjarlægja eða umraða hlutum til að breyta skipan þessa textakubbs.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "að staf # frá enda";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "að staf #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "að síðasta staf";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "í texta";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "sækja textabút frá fyrsta staf";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "sækja textabút frá staf # frá enda";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "sækja textabút frá staf #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Skilar tilteknum hluta textans.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "finna fyrsta tilfelli texta";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "finna síðasta tilfelli texta";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "í texta %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Finnur fyrsta/síðasta tilfelli fyrri textans í seinni textanum og skilar sæti hans. Skilar %1 ef textinn finnst ekki.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 er tómur";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Skilar sönnu ef gefni textinn er tómur.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "búa til texta með";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Búa til texta með því að tengja saman einhvern fjölda atriða.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "lengd %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Skilar fjölda stafa (með bilum) í gefna textanum.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";
-Blockly.Msg["TEXT_PRINT_TITLE"] = "prenta %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Prenta tiltekinn texta, tölu eða annað gildi.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Biðja notandann um tölu.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Biðja notandann um texta.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "biðja um tölu með skilaboðum";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "biðja um texta með skilaboðum";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "skipta %1 út með %2 í %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "snúa við %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Snýr við röð stafanna í textanum.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Stafur, orð eða textalína.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "eyða bilum báðum megin við";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "eyða bilum vinstra megin við";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "eyða bilum hægra megin við";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Skila afriti af textanum þar sem möguleg bil við báða enda hafa verið fjarlægð.";
-Blockly.Msg["TODAY"] = "Í dag";
-Blockly.Msg["UNDO"] = "Afturkalla";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "atriði";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Búa til 'stilla %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Skilar gildi þessarar breytu.";
-Blockly.Msg["VARIABLES_SET"] = "stilla %1 á %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Búa til 'sækja %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Stillir þessa breytu á innihald inntaksins.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Breyta með heitinu '%1' er þegar til staðar.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Segðu eitthvað...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/it.js b/msg/js/it.js
deleted file mode 100644
index ca75e142682..00000000000
--- a/msg/js/it.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Aggiungi commento";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Non si può cancellare la variabile '%1' perché è parte della definizione della funzione '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Modifica valore:";
-Blockly.Msg["CLEAN_UP"] = "Pulisci i blocchi";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "I blocchi compressi contengono avvertimenti.";
-Blockly.Msg["COLLAPSE_ALL"] = "Comprimi blocchi";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Comprimi blocco";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "colore 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "colore 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "rapporto";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "miscela";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Mescola due colori insieme con un determinato rapporto (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://it.wikipedia.org/wiki/Colore";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Scegli un colore dalla tavolozza.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "colore casuale";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Scegli un colore a caso.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blu";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "verde";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "rosso";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "colora con";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Crea un colore con la quantità specificata di rosso, verde e blu. Tutti i valori devono essere compresi tra 0 e 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "esce dal ciclo";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "prosegui con la successiva iterazione del ciclo";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Esce dal ciclo.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Salta il resto di questo ciclo e prosegue con la successiva iterazione.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Attenzioneː Questo blocco può essere usato solo in un ciclo.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "per ogni elemento %1 nella lista %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Per ogni elemento in una lista, imposta la variabile '%1'  pari all'elemento e quindi esegue alcune istruzioni.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "conta con %1 da %2 a %3 per %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Fa sì che la variabile '%1' prenda tutti i valori a partire dal numero di partenza fino a quello di arrivo, con passo pari all'intervallo specificato, ed esegue il blocco indicato.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Aggiungi una condizione al blocco se.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Aggiungi una condizione finale pigliatutto al blocco se.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Aggiungi, elimina o riordina le sezioni per riconfigurare questo blocco se.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "altrimenti";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "altrimenti se";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "se";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Se un valore è vero allora esegue alcune istruzioni.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Se un valore è vero allora esegue il primo blocco di istruzioni. Altrimenti esegue il secondo blocco di istruzioni.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Se il primo valore è vero allora esegue un primo blocco di istruzioni. Altrimenti, se il secondo valore è vero, esegue un secondo blocco di istruzioni.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Se il primo valore è vero allora esegue un primo blocco di istruzioni. Altrimenti, se il secondo valore è vero, esegue un secondo blocco di istruzioni. Se nessuno dei valori è vero esegue l'ultimo blocco di istruzioni.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://it.wikipedia.org/wiki/Ciclo_for";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "fai";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "ripeti %1 volte";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Esegue alcune istruzione diverse volte.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ripeti fino a che";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ripeti mentre";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Finché un valore è falso, esegue alcune istruzioni.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Finché un valore è vero, esegue alcune istruzioni.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Cancellare tutti i %1 blocchi?";
-Blockly.Msg["DELETE_BLOCK"] = "Cancella blocco";
-Blockly.Msg["DELETE_VARIABLE"] = "Cancella la variabile '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Cancella %1 usi della variabile '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Cancella %1 blocchi";
-Blockly.Msg["DISABLE_BLOCK"] = "Disattiva blocco";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplica";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplica commento";
-Blockly.Msg["ENABLE_BLOCK"] = "Attiva blocco";
-Blockly.Msg["EXPAND_ALL"] = "Espandi blocchi";
-Blockly.Msg["EXPAND_BLOCK"] = "Espandi blocco";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Ingressi esterni";
-Blockly.Msg["HELP"] = "Aiuto";
-Blockly.Msg["INLINE_INPUTS"] = "Ingressi in linea";
-Blockly.Msg["IOS_CANCEL"] = "Annulla";
-Blockly.Msg["IOS_ERROR"] = "Errore";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Aggiungi input";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Consenti dichiarazioni";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Questa funzione ha entrate duplicate.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Aggiungi";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Aggiungi variabile";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Cancella";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Non puoi utilizzare un nome di variabile vuoto.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rinomina";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Nome variabile";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "crea lista vuota";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Restituisce una lista, di lunghezza 0, contenente nessun record di dati";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "lista";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Aggiungi, rimuovi o riordina le sezioni per riconfigurare il blocco lista.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "crea lista con";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Aggiunge un elemento alla lista.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Crea una lista con un certo numero di elementi.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "primo";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# dalla fine";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "prendi";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "prendi e rimuovi";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "ultimo";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "casuale";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "rimuovi";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Restituisce il primo elemento in una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Restituisce l'elemento nella posizione indicata della lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Restituisce l'ultimo elemento in una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Restituisce un elemento casuale in una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Rimuove e restituisce il primo elemento in una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Rimuove e restituisce l'elemento nella posizione indicata in una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Restituisce e rimuove l'ultimo elemento in una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Restituisce e rimuove un elemento casuale in una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Rimuove il primo elemento in una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Rimuove l'elemento nella posizione indicata in una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Rimuove l'ultimo elemento in una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Rimuove un elemento casuale in una lista.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "da # dalla fine";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "fino a #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "dagli ultimi";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "prendi sotto-lista dall'inizio";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "prendi sotto-lista da # dalla fine";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "prendi sotto-lista da #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Crea una copia della porzione specificata di una lista.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 corrisponde all'ultimo elemento.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 corrisponde al primo elemento.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "trova la prima occorrenza dell'elemento";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "trova l'ultima occorrenza dell'elemento";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Restituisce l'indice della prima/ultima occorrenza dell'elemento nella lista. Restituisce %1 se l'elemento non viene trovato.";
-Blockly.Msg["LISTS_INLIST"] = "nella lista";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 è vuota";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Restituisce vero se la lista è vuota.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "lunghezza di %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Restituisce la lunghezza della lista";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "crea una lista con l'elemento %1 ripetuto %2 volte";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Crea una lista costituita dal valore indicato ripetuto per il numero di volte specificato.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "inverti %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Inverti una copia di un elenco.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "come";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "inserisci in";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "imposta";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserisci l'elemento all'inizio della lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserisci un elemento nella posizione indicata in una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Aggiungi un elemento alla fine di una lista";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserisce l'elemento casualmente in una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Imposta il primo elemento in una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Imposta l'elemento nella posizione indicata di una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Imposta l'ultimo elemento in una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Imposta un elemento casuale in una lista.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "crescente";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "decrescente";
-Blockly.Msg["LISTS_SORT_TITLE"] = "ordinamento %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Ordina una copia di un elenco.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabetico, ignorare differenze maiuscole e minuscole";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numerico";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabetico";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "crea lista da testo";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "crea testo da lista";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Unisci una lista di testi in un unico testo, separato da un delimitatore.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Dividi il testo in un elenco di testi, interrompendo ad ogni delimitatore.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "con delimitatore";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "falso";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Restituisce vero o falso.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "vero";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://it.wikipedia.org/wiki/Disuguaglianza";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Restituisce vero se gli input sono uno uguale all'altro.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Restituisce vero se il primo input è maggiore o uguale al secondo.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Restituisce uguale se il primo input è maggiore o uguale al secondo input.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Restituisce vero se il primo input è minore del secondo.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Restituisce vero se il primo input è minore o uguale al secondo.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Restituisce vero se gli input non sono uno uguale all'altro.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "non %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Restituisce vero se l'input è falso. Restituisce falso se l'input è vero.";
-Blockly.Msg["LOGIC_NULL"] = "nullo";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Restituisce valore nullo.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "e";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "o";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Restituisce vero se entrambi gli input sono veri.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Restituisce vero se almeno uno degli input è vero.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "se falso";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "se vero";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Verifica la condizione in 'test'. Se questa è vera restituisce il valore 'se vero' altrimenti restituisce il valore 'se falso'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://it.wikipedia.org/wiki/Aritmetica";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Restituisce la somma dei due numeri.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Restituisce il quoziente dei due numeri.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Restituisce la differenza dei due numeri.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Restituisce il prodotto dei due numeri.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Restituisce il primo numero elevato alla potenza del secondo numero.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://it.wikipedia.org/wiki/Arcotangente2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 di X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Restituisce l'arcotangente del punto (X, Y) in gradi da -180 a 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://it.wikipedia.org/wiki/Addizione";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "cambia %1 di %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Aggiunge un numero alla variabile '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://it.wikipedia.org/wiki/Costante_matematica";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Restituisce una delle costanti comuniː π (3.141…), e (2.718…), φ (1.618…), radq(2) (1.414…), radq(½) (0.707…) o ∞ (infinito).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "costringi %1 da %2 a %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Costringe un numero all'interno dei limiti indicati (compresi).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "è divisibile per";
-Blockly.Msg["MATH_IS_EVEN"] = "è pari";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "è negativo";
-Blockly.Msg["MATH_IS_ODD"] = "è dispari";
-Blockly.Msg["MATH_IS_POSITIVE"] = "è positivo";
-Blockly.Msg["MATH_IS_PRIME"] = "è primo";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Verifica se un numero è pari, dispari, primo, intero, positivo, negativo o se è divisibile per un certo numero. Restituisce vero o falso.";
-Blockly.Msg["MATH_IS_WHOLE"] = "è intero";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://it.wikipedia.org/wiki/Resto";
-Blockly.Msg["MATH_MODULO_TITLE"] = "resto di %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Restituisce il resto della divisione di due numeri.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://it.wikipedia.org/wiki/Numero";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Un numero.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "media della lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "massimo della lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "mediana della lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "minimo della lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "mode della lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "elemento casuale della lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "deviazione standard della lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "somma la lista";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Restituisce la media (media aritmetica) dei valori numerici nella lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Restituisce il più grande numero della lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Restituisce il valore mediano della lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Restituisce il più piccolo numero della lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Restituisce una lista degli elementi più frequenti nella lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Restituisce un elemento casuale della lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Restituisce la deviazione standard della lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Restituisce la somma si tutti i numeri nella lista.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://it.wikipedia.org/wiki/Numeri_pseudo-casuali";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "frazione casuale";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Restituisce una frazione compresa fra 0.0 (incluso) e 1.0 (escluso).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://it.wikipedia.org/wiki/Numeri_pseudo-casuali";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "intero casuale da %1 a %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Restituisce un numero intero casuale compreso tra i due limiti indicati (inclusi).";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://it.wikipedia.org/wiki/Arrotondamento";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "arrotonda";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "arrotonda verso il basso";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "arrotonda verso l'alto";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Arrotonda un numero verso l'alto o verso il basso.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://it.wikipedia.org/wiki/Radice_quadrata";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "assoluto";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "radice quadrata";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Restituisce il valore assoluto del numero.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Restituisce e elevato alla potenza del numero.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Restituisce il logaritmo naturale del numero.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Restituisce il logaritmo in base 10 del numero.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Restituisce l'opposto del numero.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Restituisce 10 elevato alla potenza del numero.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Restituisce la radice quadrata del numero.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://it.wikipedia.org/wiki/Funzione_trigonometrica";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Restituisce l'arco-coseno di un numero.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Restituisce l'arco-seno di un numero.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Restituisce l'arco-tangente di un numero.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Restituisce il coseno di un angolo espresso in gradi (non radianti).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Restituisce il seno di un angolo espresso in gradi (non radianti).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Restituisce la tangente di un angolo espresso in gradi (non radianti).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Crea variabile colore...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Crea variabile numero...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Crea variabile stringa...";
-Blockly.Msg["NEW_VARIABLE"] = "Crea variabile...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nome della nuova variabile:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Tipo della nuova variabile:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "consenti dichiarazioni";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "conː";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://it.wikipedia.org/wiki/Funzione (informatica)";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Esegue la funzione definita dall'utente '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://it.wikipedia.org/wiki/Funzione (informatica)";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Esegue la funzione definita dall'utente '%1' ed usa il suo output.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "conː";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Crea '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Descrivi questa funzione...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "fai qualcosa";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "per";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Crea una funzione senza output.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "ritorna";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Crea una funzione con un output.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Attenzioneː Questa funzione ha parametri duplicati.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Evidenzia definizione di funzione";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Se un valore è vero allora restituisce un secondo valore.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Attenzioneː Questo blocco può essere usato solo all'interno di una definizione di funzione.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "nome inputː";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Aggiungi un input alla funzione.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "input";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Aggiungi, rimuovi o riordina input alla funzione.";
-Blockly.Msg["REDO"] = "Ripeti";
-Blockly.Msg["REMOVE_COMMENT"] = "Rimuovi commento";
-Blockly.Msg["RENAME_VARIABLE"] = "Rinomina variabile...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Rinomina tutte le variabili '%1' in:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "a %1 aggiungi il testo %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Aggiunge del testo alla variabile '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "in minuscolo";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "con Iniziali Maiuscole";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "in MAIUSCOLO";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Restituisce una copia del testo in un diverso formato maiuscole/minuscole.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "prendi la prima lettera";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "prendi la lettera # dalla fine";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "prendi la lettera #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "prendi l'ultima lettera";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "prendi lettera casuale";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "nel testo %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Restituisce la lettera nella posizione indicata.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "conta %1 in %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Contare quante volte una parte di testo si ripete all'interno di qualche altro testo.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Aggiungi un elemento al testo.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "unisci";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Aggiungi, rimuovi o riordina le sezioni per riconfigurare questo blocco testo.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "alla lettera # dalla fine";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "alla lettera #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "all'ultima lettera";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "nel testo";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "prendi sotto-stringa dalla prima lettera";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "prendi sotto-stringa dalla lettera # dalla fine";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "prendi sotto-stringa dalla lettera #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Restituisce la porzione di testo indicata.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "trova la prima occorrenza del testo";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "trova l'ultima occorrenza del testo";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "nel testo %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Restituisce l'indice della prima occorrenza del primo testo all'interno del secondo testo. Restituisce %1 se il testo non viene trovato.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 è vuoto";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Restituisce vero se il testo fornito è vuoto.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "crea testo con";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Crea un blocco di testo unendo un certo numero di elementi.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "lunghezza di %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Restituisce il numero di lettere (inclusi gli spazi) nel testo fornito.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "scrivi %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Scrive il testo, numero o altro valore indicato.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Richiedi un numero all'utente.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Richiede del testo da parte dell'utente.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "richiedi numero con messaggio";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "richiedi testo con messaggio";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "sostituisci %1 con %2 in %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "sostituisci tutte le occorrenze di un certo testo con qualche altro testo.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "inverti %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Inverte l'ordine dei caratteri nel testo.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://it.wikipedia.org/wiki/Stringa_(informatica)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Una lettera, una parola o una linea di testo.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "rimuovi spazi da entrambi gli estremi";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "rimuovi spazi a sinistra";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "rimuovi spazi a destra";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Restituisce una copia del testo con gli spazi rimossi ad uno o entrambe le estremità.";
-Blockly.Msg["TODAY"] = "Oggi";
-Blockly.Msg["UNDO"] = "Annulla";
-Blockly.Msg["UNNAMED_KEY"] = "senza nome";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "elemento";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Crea 'imposta %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Restituisce il valore di una variabile.";
-Blockly.Msg["VARIABLES_SET"] = "imposta %1 a %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Crea 'prendi %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Imposta questa variabile ad essere pari all'input.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Una variabile denominata '%1' esiste già.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Una variabile nominata '%1' esiste già per un'altro tipo: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Area di lavoro di Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Scrivi qualcosa...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/ja.js b/msg/js/ja.js
deleted file mode 100644
index 583bbf814a0..00000000000
--- a/msg/js/ja.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "コメントを追加";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "変数 '%1' は関数 '%2' の定義の一部であるため、削除できません";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "値を変える：";
-Blockly.Msg["CLEAN_UP"] = "ブロックを整理する";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "ブロックを折りたたむ";
-Blockly.Msg["COLLAPSE_BLOCK"] = "ブロックを折りたたむ";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "色 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "色 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "比率";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "ブレンド";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "2色を与えられた比率（0.0～1.0）で混ぜます。";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://ja.wikipedia.org/wiki/色";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "パレットから色を選んでください。";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "ランダムな色";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "ランダムな色を選ぶ。";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "青";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "緑";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "赤";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "色：";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "赤、緑、および青の指定された量で色を作成します。すべての値は 0 ～ 100 の間でなければなりません。";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "ループから抜け出す";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "ループの次の反復処理を続行します";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "入っているループから抜け出します。";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "このループの残りの部分をスキップして、ループの繰り返しを続けます。";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "注意: このブロックは、ループ内でのみ使用できます。";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "リスト%2の各項目%1について";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "リストの各項目について、その項目を変数'%1'として、いくつかのステートメントを実行します。";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "%1 を %2 から %3 まで %4 ずつカウントする";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "変数 '%1' が開始番号から終了番号まで指定した間隔での値をとって、指定したブロックを実行する。";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "「もしも」のブロックに条件を追加します。";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Ifブロックに、すべてをキャッチする条件を追加。";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "追加、削除、またはセクションを順序変更して、ブロックをこれを再構成します。";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "そうでなければ";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "そうでなくもし";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "もし";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "値が true の場合、ステートメントを実行します。";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "値が true 場合は、ステートメントの最初のブロックを行います。それ以外の場合は、ステートメントの 2 番目のブロックを行います。";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "最初の値が true 場合は、ステートメントの最初のブロックを行います。それ以外の場合は、2 番目の値が true の場合、ステートメントの 2 番目のブロックをします。";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "最初の値が true 場合は、ステートメントの最初のブロックを行います。2 番目の値が true の場合は、ステートメントの 2 番目のブロックを行います。それ以外の場合は最後のブロックのステートメントを行います。";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://ja.wikipedia.org/wiki/for文";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "実行";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 回繰り返す";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "いくつかのステートメントを数回実行します。";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "繰り返す：終わる条件";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "繰り返す：続ける条件";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "値がfalseの間、いくつかのステートメントを実行する。";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "値がtrueの間、いくつかのステートメントを実行する。";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "%1件のすべてのブロックを削除しますか？";
-Blockly.Msg["DELETE_BLOCK"] = "ブロックを削除";
-Blockly.Msg["DELETE_VARIABLE"] = "変数 '%1' を削除";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "%1か所で使われている変数 '%2' を削除しますか？";
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 個のブロックを削除";
-Blockly.Msg["DISABLE_BLOCK"] = "ブロックを無効にする";
-Blockly.Msg["DUPLICATE_BLOCK"] = "複製";
-Blockly.Msg["DUPLICATE_COMMENT"] = "コメントを複製";
-Blockly.Msg["ENABLE_BLOCK"] = "ブロックを有効にする";
-Blockly.Msg["EXPAND_ALL"] = "ブロックを展開する";
-Blockly.Msg["EXPAND_BLOCK"] = "ブロックを展開する";
-Blockly.Msg["EXTERNAL_INPUTS"] = "外部入力";
-Blockly.Msg["HELP"] = "ヘルプ";
-Blockly.Msg["INLINE_INPUTS"] = "インライン入力";
-Blockly.Msg["IOS_CANCEL"] = "キャンセル";
-Blockly.Msg["IOS_ERROR"] = "エラー";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+　入力を追加";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "ステートメントを許可";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "この関数には重複する入力があります。";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "入力";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "追加";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ 変数を追加";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "削除";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "空の変数名は使用できません。";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "名前を変更";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "変数名";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "空のリストを作成";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "長さ０でデータ・レコードを含まない空のリストを返す";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "リスト";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "追加、削除、またはセクションの順序変更をして、このリスト・ブロックを再構成する。";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "以下を使ってリストを作成：";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "リストに項目を追加。";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "項目数が不定のリストを作成。";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "最初";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "位置：後ろから";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "取得";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "取得して削除";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "最後";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "ランダム";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "削除";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "リストの最初の項目を返します。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "リスト内の指定位置にある項目を返します。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "リストの最後の項目を返します。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "ランダム アイテム リストを返します。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "リスト内の最初の項目を削除し返します。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "リスト内の指定位置にある項目を削除し、返します。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "リスト内の最後の項目を削除したあと返します。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "リストのランダムなアイテムを削除し返します。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "リスト内の最初の項目を削除します。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "リスト内の指定された項目を削除します。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "リスト内の最後の項目を削除します。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "リスト内にあるアイテムをランダムに削除します。";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "終了位置：後ろから";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "終了位置：";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "最後まで";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "最初からサブリストを取得する。";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "端から #のサブリストを取得します。";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "# からサブディレクトリのリストを取得します。";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "リストの指定された部分のコピーを作成します。";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 は、最後の項目です。";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 は、最初の項目です。";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "で以下のアイテムの最初の出現箇所を検索：";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "で以下のテキストの最後の出現箇所を検索：";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "リスト項目の最初/最後に出現するインデックス位置を返します。項目が見つからない場合は %1 を返します。";
-Blockly.Msg["LISTS_INLIST"] = "リスト";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1が空";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "リストが空の場合は、true を返します。";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1の長さ";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "リストの長さを返します。";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "項目%1を%2回繰り返したリストを作成";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "与えられた値を指定された回数繰り返してリストを作成。";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "%1を逆順に";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "リストのコピーを逆順にする。";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "値：";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "挿入位置：";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "セット";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "リストの先頭に項目を挿入します。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "リスト内の指定位置に項目を挿入します。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "リストの末尾に項目を追加します。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "リストに項目をランダムに挿入します。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "リスト内に最初の項目を設定します。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "リスト内の指定された位置に項目を設定します。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "リスト内の最後の項目を設定します。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "リスト内にランダムなアイテムを設定します。";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "昇順";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "降順";
-Blockly.Msg["LISTS_SORT_TITLE"] = "%1 ( %2 ) に %3 を並び替える";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "リストのコピーを並べ替え";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "アルファベット順（大文字・小文字の区別無し）";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "数値順";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "アルファベット順";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "テキストからリストを作る";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "リストからテキストを作る";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "テキストのリストを区切り記号で区切られた一つのテキストにする";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "テキストを区切り記号で分割したリストにする";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "区切り記号";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "false";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "true または false を返します。";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "true";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://ja.wikipedia.org/wiki/不等式";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "両方の入力が互いに等しい場合に true を返します。";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "最初の入力が 2 番目の入力よりも大きい場合は true を返します。";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "最初の入力が 2 番目の入力以上の場合に true を返します。";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "最初の入力が 2 番目の入力よりも小さい場合は true を返します。";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "最初の入力が 2 番目の入力以下の場合に true を返します。";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "両方の入力が互いに等しくない場合に true を返します。";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://ja.wikipedia.org/wiki/否定";
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "%1ではない";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "入力が false の場合は、true を返します。入力が true の場合は false を返します。";
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "null を返します。";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "かつ";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "または";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "両方の入力が true のときに true を返します。";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "少なくとも 1 つの入力が true のときに true を返します。";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "テスト";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://ja.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "false の場合";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "true の場合";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "'テスト' の条件をチェックします。条件が true の場合、'true' の値を返します。それ以外の場合 'false' のを返します。";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://ja.wikipedia.org/wiki/算術";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "2 つの数の合計を返します。";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "2 つの数の商を返します。";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "2 つの数の差を返します。";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "2 つの数の積を返します。";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "最初の数を2 番目の値で累乗した結果を返します。";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://ja.wikipedia.org/wiki/加法";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "%1 を %2 増やす";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "変数'%1'に数をたす。";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://ja.wikipedia.org/wiki/数学定数";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "いずれかの共通の定数のを返す: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (無限).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "%1 を %2 以上 %3 以下の範囲に制限";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "指定した上限と下限の間に値を制限する（上限と下限の値を含む）。";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "は以下で割りきれる：";
-Blockly.Msg["MATH_IS_EVEN"] = "は偶数";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "は負";
-Blockly.Msg["MATH_IS_ODD"] = "は奇数";
-Blockly.Msg["MATH_IS_POSITIVE"] = "は正";
-Blockly.Msg["MATH_IS_PRIME"] = "は素数";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "数字が、偶数、奇数、素数、整数、正数、負数、または特定の数で割り切れるかどうかを判定し、true か false を返します。";
-Blockly.Msg["MATH_IS_WHOLE"] = "は整数";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "%1÷%2の余り";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "2つの数値の割り算の余りを返す。";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://ja.wikipedia.org/wiki/数";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "数です。";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "リストの平均";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "リストの最大値";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "リストの中央値";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "リストの最小値";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "リストの最頻値";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "リストからランダムに選ばれた項目";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "リストの標準偏差";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "リストの合計";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "リストの数値の平均 (算術平均) を返す。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "リストの最大値を返す。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "リストの中央値を返す。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "リストの最小値を返す。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "リスト中の最頻項目のリストを返す。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "リストからランダムに選ばれた要素を返す。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "リストの標準偏差を返す。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "リストの数値を足して返す。";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "1未満の正の乱数";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "0.0以上で1.0未満の範囲の乱数を返します。";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "%1から%2までのランダムな整数";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "指定された（上下限を含む）範囲のランダムな整数を返します。";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://ja.wikipedia.org/wiki/端数処理";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "四捨五入";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "切り捨て";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "切り上げ";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "数値を切り上げるか切り捨てる";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://ja.wikipedia.org/wiki/平方根";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "絶対値";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "平方根";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "絶対値を返す。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "ネイピア数eの数値乗を返す。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "数値の自然対数を返す。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "底が10の対数を返す。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "負の数を返す。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "１０の数値乗を返す。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "平方根を返す。";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://ja.wikipedia.org/wiki/三角関数";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "アークコサイン（arccosin）を返す。";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "アークサイン（arcsin）を返す。";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "アークタンジェント（arctan）を返す。";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "（ラジアンではなく）度数の余弦（cosin）を返す。";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "（ラジアンではなく）度数の正弦（sin）を返す。";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "（ラジアンではなく）度数の正接（tan）を返す。";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "色の変数を作る...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "数の変数を作る...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "文字列の変数を作る...";
-Blockly.Msg["NEW_VARIABLE"] = "変数の作成…";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "新しい変数の名前：";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "新しい変数の型:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "ステートメントを許可";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "引数：";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://ja.wikipedia.org/wiki/サブルーチン";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "ユーザー定義関数 '%1' を実行します。";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://ja.wikipedia.org/wiki/サブルーチン";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "ユーザー定義関数 '%1' を実行し、その出力を使用します。";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "引数：";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "'%1' を作成";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "この関数の説明…";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://ja.wikipedia.org/wiki/サブルーチン";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "何かする";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "関数";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "出力なしの関数を作成します。";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://ja.wikipedia.org/wiki/サブルーチン";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "返す";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "一つの出力を持つ関数を作成します。";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "警告: この関数には重複するパラメーターがあります。";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "関数の内容を強調表示します。";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "1番目の値が true の場合、2番目の値を返します。";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "警告: このブロックは、関数定義内でのみ使用できます。";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "入力名:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "関数への入力の追加。";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "入力";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "この関数への入力の追加、削除、順番変更。";
-Blockly.Msg["REDO"] = "やり直す";
-Blockly.Msg["REMOVE_COMMENT"] = "コメントを削除";
-Blockly.Msg["RENAME_VARIABLE"] = "変数の名前を変える…";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "選択した%1の変数すべての名前を変える：";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "項目 %1 へテキストを追加 %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "変数 '%1' にテキストを追加。";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "小文字に";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "タイトル ケースに";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "大文字に";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "別のケースに、テキストのコピーを返します。";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "最初の文字を得る";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "の、後ろから以下の数字番目の文字：";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "の、以下の数字番目の文字：";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "最後の文字を得る";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "ランダムな文字を得る";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "テキスト %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "指定された位置に文字を返します。";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "%2に含まれる%1の数を数える";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "とある文が別の文のなかに使われた回数を数える。";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "テキストへ項目を追加。";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "結合";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "セクションを追加、削除、または順序変更して、ブロックを再構成。";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "終了位置：後ろから";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "終了位置：";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "最後のの文字";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "テキスト";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "の部分文字列を取得；最初から";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "の部分文字列を取得；開始位置：後ろから";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "の部分文字列を取得；開始位置：";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "テキストの指定部分を返します。";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "で以下のテキストの最初の出現箇所を検索：";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "で以下のテキストの最後の出現箇所を検索：";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "テキスト %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "二番目のテキストの中で一番目のテキストが最初／最後に出現したインデックスを返す。テキストが見つからない場合は%1を返す。";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1が空";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "与えられたテキストが空の場合は true を返す。";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "テキストの作成：";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "任意の数の項目一部を一緒に接合してテキストを作成。";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1の長さ";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "与えられたテキストの(スペースを含む)文字数を返す。";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "%1 を表示";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "指定したテキスト、番号または他の値を印刷します。";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "ユーザーに数値のインプットを求める。";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "ユーザーにテキスト入力を求める。";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "メッセージで番号の入力を求める";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "メッセージでテキスト入力を求める";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "%3に含まれる%1を%2に置換";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "文に含まれるキーワードを置換する。";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "%1を逆順に";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "文の文字を逆順にする。";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://ja.wikipedia.org/wiki/文字列";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "文字、単語、または行のテキスト。";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "両端のスペースを取り除く";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "左端のスペースを取り除く";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "右端のスペースを取り除く";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "スペースを 1 つまたは両方の端から削除したのち、テキストのコピーを返します。";
-Blockly.Msg["TODAY"] = "今日";
-Blockly.Msg["UNDO"] = "取り消す";
-Blockly.Msg["UNNAMED_KEY"] = "名前なし";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "項目";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "'セット%1を作成します。";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "この変数の値を返します。";
-Blockly.Msg["VARIABLES_SET"] = "%1 に %2 をセット";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "'%1 を取得' を作成します。";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "この入力を変数と等しくなるように設定します。";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "変数名 '%1' は既に存在しています。";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "'%2' 型の '%1' という名前の変数が既に存在します。";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blocklyワークスペース";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "ここへ入力";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/kab.js b/msg/js/kab.js
deleted file mode 100644
index c4e3c45b3d7..00000000000
--- a/msg/js/kab.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Rnu awennit";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Ur izmir ara ad yekkes amutti '%1' acku yedda di tbadut n twuri '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Beddel azal:";
-Blockly.Msg["CLEAN_UP"] = "Sfeḍ iḥedran";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Iḥedran yettin gebren ilɣa.";
-Blockly.Msg["COLLAPSE_ALL"] = "Fneẓ iḥedran";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Fneẓ iḥder";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "ini 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "ini 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "afmiḍi";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "rkec";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Sexleḍ sin n yiniten d tesmekta (gar 0.0 ar 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://kab.wikipedia.org/wiki/Ini";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Fren ini seg ugalis.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "ini agacuran";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Fren ini s wudem agacuran.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "anili";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "azegzaw";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "azeggaɣ";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "ini s";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Rnu ini s tnecta yettunefk s tesmekta n uzeggaɣ, azegzaw, akked unili. Yessefk akk azalen ad ilin gar 0 akked 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "ffeɣ seg tneddict";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "kemmel s wallus d tneddict d-iteddun";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Ffeɣ si tneddict tamagbart.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Zgel ayen i d-yeqqimen di tneddict-a, sakin kemmel allus d-itteddun.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Ɣur-k: Iḥder-a yessefk ad yettwaseqdec di tneddict.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "i yal aferdis  %1 di tebdart %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "I yal aferdis n tebdart, mudd azal n uferdis i umutti '%1', sakin selkem tinaḍin.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "siḍen akked %1 seg %2 ar %3 s %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Mudd i umutti '%1' azalen seg umḍan n tazwara armi d amḍan n taggara, s tmerna n usurif yettunefken, sakin selkem tinaḍin yettunefken.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Rnu tawtilt i yiḥder ma.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Rnu tawtilt taneggarut i yiḥder ma igebren akk tinaḍin.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Rnu, kkes, neq ales asmizzwer n tgezmiyin akken ad talseḍ tawila n yiḥder-a ma.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "neɣ";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "neɣ ma";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ma";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "mayella azal d idetti, ihi selkem kra n tinaḍin.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Mayella azal d idetti, selkem iḥder amezwaru. Neɣ ma ulac, selkem iḥder wis sin.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Mayella azal amezwaru d idetti, selkem iḥder amezwaru. Neɣ ma azal wis sin d ucciḍ, selkem iḥder wis sin.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Mayella azal amezwaru d idetti, selkem iḥder amezwaru. Neɣ, mayella azal wis sin d idetti, selkem iḥder wis sin. Mayella ula d yiwen seg-sen ur yelli d idetti, selkem iḥder aneggaru.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "eg";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "Ales %1 n tikkal";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Selkem ddeqs n tinaḍin ddeqs n tikal.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ales armi";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ales skud";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Skud azal d ucciḍ, selkem ihi tinadin.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Skud azal d idetti, selkem ihi tinadin.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Kkes akk %1 n yiḥedran?";
-Blockly.Msg["DELETE_BLOCK"] = "Kkes iḥder";
-Blockly.Msg["DELETE_VARIABLE"] = "Kkes amutti '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Kkes %1 n useqdec n umutti '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Kkes %1 n yiḥedran";
-Blockly.Msg["DISABLE_BLOCK"] = "Sens iḥder";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Sleg";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Sleg awennit";
-Blockly.Msg["ENABLE_BLOCK"] = "Sens iḥedran";
-Blockly.Msg["EXPAND_ALL"] = "Snefli iḥedran";
-Blockly.Msg["EXPAND_BLOCK"] = "Snefli iḥder";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Inekcam izɣarayen";
-Blockly.Msg["HELP"] = "Tallelt";
-Blockly.Msg["INLINE_INPUTS"] = "Inekcam srid";
-Blockly.Msg["IOS_CANCEL"] = "Sefsex";
-Blockly.Msg["IOS_ERROR"] = "Tuccḍa";
-Blockly.Msg["IOS_OK"] = "IH";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Rnu anekcum";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Sireg asmizzwer";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Tawuri-a ɣur-s inekcam imsinen.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INEKCAM";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Rnu";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Rnu amutti";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Kkes";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Ur tezmireḍ ara ad tesqedceḍ isem n umutti amaynut.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Snifel isem";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Isem n umutti";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "rnu tabdart tilemt";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Ad d-yerr tabdart n teɣzi 0 ur yegbiren ara ikalasen";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "tabdart";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Rnu, kkes, neɣ ales asmizzwer n tgezmiyin akken ad talseḍ tawila n yiḥder-a n tebdart.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "rnu tabdart s";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Ad yernu aferdis ɣer tebdart.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Ad yernu tabdart s umḍan n yiferdisen.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "amezwaru";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# si taggara";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "awi";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "awi rnu kkes";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "aneggaru";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "agacuran";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "kkes";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Ad d-yerr aferdis amezwaru n tebdart.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Ad d-yerr aferdis n wadig yettwamlen deg tabdart.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Ad d-yerr aferdis aneggaru di tebdart.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Ad yerr aferdis agacuran di tebdart.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Ad yekkes sakin ad -yerr aferdis amezwaru di tebdart.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Ad yekkes syin ad d-yerr aferdis n wadig yettwamlen deg tabdart.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Ad yekkes sakin ad yerr aferdis aneggaru di tebdart.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Ad yekkes sakin ad d-yerr aferdis agacuran di tebdart.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Ad yekkes aferdis amezwaru n tebdart.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Ad yekkes aferdis n wadig yettwamlen deg tabdart.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Ad yekkes aferdis aneggaru di tebdart.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Ad yekkes aferdis agacuran di tebdart.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "ar # si tagara";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "ar #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "ar taggara";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "awi-d tabdart tasnawant si tazwara";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "awi-d tabdart tasnawant seg # si taggara";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "awi-d tabdart tasnawant seg #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Ad yernu anɣel n uḥric yettwamlen n tebdart.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 d aferdis aneggaru.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 d aferdis amezwaru.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "af-d timeḍriwt tamezwarut n uferdis";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "af-d timeḍriwt taneggarut n uferdis";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Ad d-yerr amatar n tmeḍriwt tamezwarut/taneggarut n uferdis amezwaru deg tebdart. Ad d-yerr %1 ma yella ulac aferdis.";
-Blockly.Msg["LISTS_INLIST"] = "di tebdart";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 d ilem";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Ad d-yerr idetti mayella tabdart d tilemt.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "teɣzi n %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Ad d-yerr teɣzi n tebdart.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "ad yernu tabdart s uferdis %1 s tmeḍriwt %2";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Ad yernu tabdart inetmen n wazal yettunefken ddeqs n tikal s umḍan yettwammlen.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "tti %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Tti anɣel n tebdart.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "am";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "ger s";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "sbadu";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Ad iger aferdis di tazwara n tebdart.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Ad iger aferdis n wadig yettwamlen deg tabdart.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Ad yernu aferdis ar taggara n  tebdart.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Ad iger aferdis s wudem agacuran deg tebdart.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Ad d-yerr aferdis amezwaru di tebdart.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Ad yesbadu aferdis n wadig yettwamlen deg tabdart.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Ad d-yerr aferdis aneggaru di tebdart.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Ad yesbadu aferdis agacuran di tebdart.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "igemmen";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "amnusruy";
-Blockly.Msg["LISTS_SORT_TITLE"] = "smizzwer %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Smizzwer anɣel n tebdart.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "agemmayan, anef i truẓi n usekkil";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "umḍin";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "agemmayan";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "rnu tabdart seg uḍris";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "rnu aḍris si tebdart";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "ad yesdukel tabdart n yiḍrisen deg yiwen s usnabraz.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Ad yegzem aḍris ɣef ddeqs n tebdarin n yiḍrisen, s unegzum yal anabraz.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "s unabraz";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ucciḍ";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Ad d-yerr idetti neɣ ucciḍ";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "idetti";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Ad yerr idetti ma yella i sin n yinekcam d imegduya.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Ad d-yerr idetti ma anekcam amezwaru meqqer ɣef wis sin.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Ad d-yerr idetti ma anekcam amezwaru meqqer neɣ yegda wis sin.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Ad d-yerr idetti ma anekcam amezwaru meẓẓiy ɣef wis sin.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Ad d-yerr idetti ma anekcam amezwaru meẓẓiy neɣ yegda wis sin.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Ad d-yerr idetti mayella i sin n yinekcam mačči d imegduya.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "mačči %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Ad d-yerr idetti ma anekcam d ucciḍ. Ad d-yerr ucciḍ ma yella anekcam d idetti.";
-Blockly.Msg["LOGIC_NULL"] = "Ilem";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Ad d-yerr ilem";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "akked";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "neɣ";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Ad d-yerr idetti ma inekcam d idettiyen.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Ad d-yerr idetti ma ɣarsum yiwen seg yinekcam d idetti.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "sekyed";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "ma d ucciḍ";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "ma d idetti";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Senqed tawtilt deg 'sekyed'. Ma d idetti, ad d-yerr azal 'ma idetti', ma ulac ad d-yerr azam 'ma ucciḍ'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Ad d-yerr tmerni n sin n yimiḍanen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Ad d-yerr aful n sin n yimḍanen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Ad d-yerr tmernit n sin n yimiḍanen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Ad d-yerr tukksa gar sin n yimiḍanen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Ad d-yerr amḍan amezwaru uzmir wis sin.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://kab.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 seg X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Ad d-yerr arctangent n waggaz (X, Y) s tfesniwin deg -180 ɣer 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "snifel %1 s %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Rnu amḍan i umutti '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Ad d-yerr yiwet seg tmezgiyin yettwasnen : π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), neɣ ∞ (ifeḍ).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "Err tamara i %1 gar %2 akked %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Err tamara n umḍan akken ad yili gar snat n tlisa (ddant).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "d ubṭay ɣef";
-Blockly.Msg["MATH_IS_EVEN"] = "d ayugan";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "d uzdir";
-Blockly.Msg["MATH_IS_ODD"] = "d aryugan";
-Blockly.Msg["MATH_IS_POSITIVE"] = "d ufrar";
-Blockly.Msg["MATH_IS_PRIME"] = "d amenzu";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Senqed ma amḍan d ayugan, d aryugan, d amenzu, d ummid, d ufrar, d uzdir, neɣ d ubṭay ɣef kra n umḍan. Ad d-yerr idetti neɣ ucciḍ.";
-Blockly.Msg["MATH_IS_WHOLE"] = "d ummid";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "tasagert n %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Ad d-yerr tasagert n beṭṭu n sin n yimḍanen.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Amḍan.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "talemmast n tebdart";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "afellay n tebdart";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "tanammast n tebdart";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "adday n tebdart";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "Tiggtiwin n tebdart";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "aferdis agacuran n tebdart";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "azza n tebdart";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "Timernit n tebdart";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Ad d-yerr talemmas( tasnamḍant) n wazalen umḍinen di tebdart.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Ad d-yerr amḍan  ameqqran di tebdart.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Ad d-yerr amḍan n unammas n tebdart.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Ad d-yerr amḍan  ameẓẓyan di tebdart.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Ad d-yerr tabdart n yiferdisen i d-yettuɣalen s waṭas di tebdart.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Ad d-yerr aferdis seg tebdart s wudem agacuran.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Ad d-yerr azza n tebdart.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Ad d-yerr timernit n yimḍanen meṛṛa deg tebdart.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "tirẓi tagacurant";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Ad d-yerr tirẓi tagacurant gar 0.0 (yedda) akked 1.0 (ur yeddi ara).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "ummid agacuran gar %1 akked %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Ad d-yerr ummid agacuran gar snat n tlisa, ddant.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "Saẓ";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "Saẓ d akesser";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "Saẓ d asawen";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Saẓ amiḍan d asawen neɣ d akesser.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "azal amagdez";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "aẓar uzmir 2";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Ad d-yerr azal amagdez n umiḍan.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Ad d-yerr e uzmir amiḍan.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Ad d-yerr alugaritm agamawan n umiḍan.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Ad d-yerr alugaritm 10 n umiḍan.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Ad d-yerr ugmiḍ n umḍan.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Ad d-yerr 10 uzmir amiḍan.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Ad d-yerr aẓar uzmir sin n umḍan.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Ad d-yerr taganzi n ukusinus n umḍan.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Ad d-yerr taganzi n usinus n umḍan.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Ad d-yerr taganzi n teslayt n umiḍan.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Ad d-yerr akusinus n teɣmert s tfesna (mačči aṛadyan).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Ad d-yerr asinus n teɣmert s tfesna (mačči aṛadyan).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Ad d-yerr taslayt n teɣmert s tfesna (mačči aṛadyan).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Rnu amutti ini...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Rnu amutti amḍan...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Rnu amutti azrir n yisekkilen...";
-Blockly.Msg["NEW_VARIABLE"] = "Rnu amutti...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Isem amaynut n wazal:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Anaw amaynut n umutti:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "Sireg asmizzwer";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "s:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Selkem tawuri '%1' i yesbadu useqdac.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Selkem tawuri '%1' i yesbadu useqdac sakin seqdec agmuḍ-is.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "s:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Rnu '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Seglem tawuri-a...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "eg kra";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "i";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Rnu tawuri s war anekcam.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "tuɣalin";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "ad yernu tawuri s tuffɣa.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Ɣur-k: Tawuri-a ɣur-s iɣewwaṛen usligen.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Sebrureq tabadut n twuri";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "ma yella azal d idetti, ad d-yerr azal-nniḍen wis sin.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Ɣur-k: Iḥder-a yezmer ur yettwaseqdac ara anagar deg tebadut n twuri-a.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "isem n unekcum:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "rnu anekcam ɣer twuri-a.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inekcam";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Rnu, kkes neɣ ales asmizzwer n yinekcam i twuri-a.";
-Blockly.Msg["REDO"] = "Uɣal";
-Blockly.Msg["REMOVE_COMMENT"] = "Kkes awennit";
-Blockly.Msg["RENAME_VARIABLE"] = "Beddel isem n umutti...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Beddel akk isem n yimuttiyen '%1' ar:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "Rnu aḍris %2 ɣer %1";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Rnu aḍris ɣer umutti '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "s usekkil ameẓẓyan";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "s Umeqqran Di Tazwara n Yal Awal.";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "s USEKKIL AMEQQRAN";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Ad d-yerr anɣel n uḍris s truẓi-nniḍen.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "awi-d asekkil amezwaru";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "awi-d asekkil # si taggara";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "awi asekkel #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "awi-d asekkil aneggaru";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "awi-d asekkil s wudem agacuran";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "deg uḍris %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Ad d-yerr asekkil deg wuṭṭun yettwamlen.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "amḍan %1 ɣef %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Ad isiḍen amḍan n tmeḍriwt n uḍris deg wayeḍ.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Rnu aferdis ɣer uḍris.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "sdukkel";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Rnu, kkes, neɣ ales asmizzwer n tgezmiyin akken ad talseḍ tawila n yiḥder-a.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "armi d asekkil # si taggara";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "armi d asekkil #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "armi d asekkil aneggaru";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "deg uḍris";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "awi-d azrir asnawan seg usekkil amezwaru";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "awi-d azrir asnawan seg usekkil # si taggara";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "awi-d azrir asnawan seg usekkil #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Ad d-yerr aḥric yettwamlen deg uḍris.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "af-d timeḍriwt tamezwarut n uḍris";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "af-d timeḍriwt taneggarut deg uḍris";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "deg uḍris %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Ad d-yerr amatar n tmeḍriwt tamezwarut/taneggarut n uḍris amezwaru deg uḍris wis sin. Ad d-yerr %1 ma yella ulac aḍris.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 d ilem";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Add d-yerr idetti ma yella aḍris d ilem.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "rnu aḍris s";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Ad yernu taceqquft n uḍris s usdukel gar yal amḍan n yiferdisen.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "teɣzi n %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Ad d-yerr amḍan n yisekkilen (ddan ula d imellalen) deg uḍris d-ittunefken.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "ad d-yesken %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Sken aḍris, amḍan neɣ azal-nniḍen d-ittunefken.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Suter amḍan i useqdac.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Suter aḍris i useqdac.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "aneftaɣ i umḍan s yizen";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "aneftaɣ i uḍris s yizen";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "semselsi %1 s %2 di %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Ad isemselsi akk timeḍriwin n uḍris s wayeḍ.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "tti %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Ad yetti asmizzwer n yisekkilen deg uḍris.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Asekkil, awal neɣ izirig n uḍris.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "Tukksa n yisekkilen imellalen seg sin n yidisan";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "tukksa n yisekkilen seg uzelmaḍ";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "tukksa n yisekkilen seg uyeffus";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Ad d-yerr anɣel n uḍris s yisekkilen ilmawen yettwakksen seg yixf neɣ i sin.";
-Blockly.Msg["TODAY"] = "Ass-a";
-Blockly.Msg["UNDO"] = "Err-d";
-Blockly.Msg["UNNAMED_KEY"] = "war isem";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "aferdis";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Rnu 'sbadu %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Ad d-yerr azal n umutti-a.";
-Blockly.Msg["VARIABLES_SET"] = "sbadu %1 ar %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Rnu 'awi-d %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Ad yesbadu amutti-a akken ad yegdu azal n unekcam.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Amutti s yisem '%1' yella yakan.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Amutti s yisem '%1' yella yakan i wanaw-nniḍen: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Tallunt n umahel Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Ini kra...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/kn.js b/msg/js/kn.js
deleted file mode 100644
index 10a39c5f488..00000000000
--- a/msg/js/kn.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "ಟಿಪ್ಪಣಿ ಸೇರಿಸು";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "%1' ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶವನ್ನು ಅಳಿಸಲು ಬರುವುದಿಲ್ಲ. ಏಕೆಂದರೆ ಅದು '%2' ಕೆಲಸದಲ್ಲಿ ಉಪಯೋಗಿಸಲ್ಪಟ್ಟಿದೆ";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "ಮೌಲ್ಯ ಬದಲಾಯಿಸು:";
-Blockly.Msg["CLEAN_UP"] = "ಬ್ಲಾಕ್‍ಗಳನ್ನು ಸ್ವಚ್ಛಗೊಳಿಸು";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "ಬ್ಲಾಕ್‍ಗಳನ್ನು ಮುಚ್ಚು";
-Blockly.Msg["COLLAPSE_BLOCK"] = "ಬ್ಲಾಕ್ ಮುಚ್ಚು";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "ಬಣ್ಣ 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "ಬಣ್ಣ 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "ಅನುಪಾತ";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "ಮಿಶ್ರಣ";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "ಕೊಟ್ಟಿರುವ ಅನುಪಾತದ (0.0 - 1.0) ಪ್ರಕಾರ ಎರಡು ಬಣ್ಣವನ್ನು ಮಿಶ್ರಣ ಮಾಡುತ್ತದೆ.";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "ವರ್ಣಫಲಕದಿಂದ ಬಣ್ಣವನು ಆರಿಸು.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "ಅಸಂಬದ್ದ ಬಣ್ಣ";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "ಯಾವುದಾದರೂ ಒಂದು ಬಣ್ಣವನ್ನು ಆರಿಸು.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "ನೀಲಿ";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "ಹಸಿರು";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "ಕೆಂಪು";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "ಬಣ್ಣದೊಂದಿಗೆ";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "ನಿರ್ಧಿಷ್ಟವಾದ ಪ್ರಮಾಣದಲ್ಲಿ ಕೆಂಪು, ಹಸಿರು, ಮತ್ತು ನೀಲಿ ಯನ್ನು ಹೊಂದಿದ ಒಂದು ಬಣ್ಣವನ್ನು ರಚಿಸಿ. ಎಲ್ಲಾ ಮೌಲ್ಯಗಳು 0 ಮತ್ತು 100 ರ ನಡುವೆ ಇರಬೇಕು.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "ಸುತ್ತುವಿಕೆಯಿಂದ ಹೊರ ಬಾ";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "ಸುತ್ತುವಿಕೆಯ ಮುಂದಿನ ಪುನರಾವರ್ತನೆಯೊಂದಿಗೆ ಮುಂದುವರಿಯಿರಿ";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "ಒಳಗೊಂಡಿರುವ ಸುತ್ತುವಿಕೆಯಿಂದ ಹೊರಬನ್ನಿ.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "ಉಳಿದ ಸುತ್ತುವಿಕೆ ಬಿಟ್ಟು ಮುಂದೆ ಹೋಗಿ,  ಮತ್ತು ಮುಂದಿನ ಪುನರಾವರ್ತನೆಯೊಂದಿಗೆ ಮುಂದುವರಿಯಿರಿ.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "ಎಚ್ಚರಿಕೆ: ಈ ಬ್ಲಾಕ್ ಅನ್ನು ಸುತ್ತುವಿಕೆ ಒಳಗಡೆ ಮಾತ್ರ ಬಳಸಬಹುದಾಗಿದೆ.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "ಪ್ರತಿ ವಸ್ತುವಿಗೆ %1 ಇ ಪಟ್ಟಿಯಲ್ಲಿ %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "ಪಟ್ಟಿಯಲ್ಲಿರುವ ಪ್ರತಿ ವಸ್ತುವಿಗೆ, ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶ '%1' ಅನ್ನು ವಸ್ತುವಿನೊಂದಿಗೆ ಹೊಂದಿಸಿ , ಆಮೇಲೆ ಕೆಲವು ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡಿ.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "%1 ಜೊತೆ ಎಣಿಸು %2 ಇಂದ %3 ತನಕ %4 ಪ್ರಮಾಣದಲ್ಲಿ";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "'%1' ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶವು ಆರಂಭದ ಸಂಖ್ಯೆಯಿಂದ ಕೊನೆಯ ಸಂಖ್ಯೆಯ ತನಕ ಒಂದು ಮೌಲ್ಯವನ್ನು ಹೊಂದಿರಲಿ, ನಿಗದಿತ ಪ್ರಮಾಣದಲ್ಲಿ ಎಣಿಸುವುದನ್ನು ನಿರ್ಧರಿಸಿ,  ನಿಗದಿಪಡಿಸಿದ ಬ್ಲಾಕ್‍ಗಳನ್ನು ಮಾಡಿ.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "'ಆಗಿದ್ದರೆ' ಬ್ಲಾಕ್ ಗೆ ಒಂದು ನಿಯಮವನ್ನು ಸೇರಿಸು.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "ಕೊನೆಯ, ಎಲ್ಲ-ಹಿಡಿ ನಿಯಮವನ್ನು 'ಆಗಿದ್ದರೆ' ಬ್ಲಾಕ್ ಗೆ ಸೇರಿಸು.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "ಆಗಿದ್ದರೆ ಬ್ಲಾಕ್ ಅನ್ನು ಮರುವಿನ್ಯಾಸ ಗೊಳಿಸಲು ಅದರ ಭಾಗಗಳನ್ನು ಸೇರಿಸು, ತೆಗೆ, ಅಥವಾ ಮರುಕ್ರಮಗೊಳಿಸು.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "ಆಗಿರದಿದ್ದರೆ";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "ಆಗಿರದಿದ್ದರೆ ಆಗಿದ್ದರೆ";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ಆಗಿದ್ದರೆ";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "ಮೌಲ್ಯವು ನಿಜ ಆಗಿದ್ದರೆ , ಕೆಲವು ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "ಮೌಲ್ಯವು ನಿಜ ಆಗಿದ್ದರೆ, ಮೊದಲನೇ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು, ಇಲ್ಲವಾದರೆ, ಎರಡನೇ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "ಮೊದಲನೆಯ ಮೌಲ್ಯವು ನಿಜ ಆಗಿದ್ದರೆ, ಮೊದಲ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು. ಇಲ್ಲವಾದರೆ, ಎರಡನೇ ಮೌಲ್ಯವು ನಿಜವಾಗಿದ್ದರೆ, ಎರಡನೇ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "ಮೊದಲನೆಯ ಮೌಲ್ಯವು ನಿಜ ಆಗಿದ್ದರೆ, ಮೊದಲ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು. ಇಲ್ಲವಾದರೆ, ಎರಡನೇ ಮೌಲ್ಯವು ನಿಜವಾಗಿದ್ದರೆ, ಎರಡನೇ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು. ಒಂದುವೇಳೆ ಯಾವುದೇ ಮೌಲ್ಯವು ನಿಜವಾಗಿರದಿದ್ದರೆ, ಕೊನೆಯ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "ಮಾಡು";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 ಬಾರಿ ಪುನರಾವರ್ತಿಸು";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "ಕೆಲವು ಹೇಳಿಕೆಗಳನ್ನು ಹಲವಾರು ಬಾರಿ ಮಾಡು.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ಪುನರಾವರ್ತಿಸು ಇ ತನಕ";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ಪುನರಾವರ್ತಿಸು ಇ ಸಮಯದಲ್ಲಿ";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "ಮೌಲ್ಯವು ಸುಳ್ಳಾಗಿರುವ ಸಮಯದಲ್ಲಿ, ಕೆಲವು ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡಿ.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "ಮೌಲ್ಯವು ನಿಜವಾಗಿರುವ ಸಮಯದಲ್ಲಿ, ಕೆಲವು ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡಿ.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "ಎಲ್ಲ %1 ಬ್ಲಾಕ್‍ಗಳನ್ನು ಅಳಿಸುವುದೇ ?";
-Blockly.Msg["DELETE_BLOCK"] = "ಬ್ಲಾಕ್ ಅಳಿಸು";
-Blockly.Msg["DELETE_VARIABLE"] = "'%1' ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶವನ್ನು ಅಳಿಸು";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "'%2' ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶದ '%1' ಉಪಯೋಗಗಳನ್ನು ಅಳಿಸುವುದೇ ?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 ಬ್ಲಾಕ್‍ಗಳನ್ನು ಅಳಿಸು";
-Blockly.Msg["DISABLE_BLOCK"] = "ಬ್ಲಾಕ್ ನಿಷ್ಕ್ರಿಯಗೊಳಿಸು";
-Blockly.Msg["DUPLICATE_BLOCK"] = "ನಕಲಿಸು";
-Blockly.Msg["DUPLICATE_COMMENT"] = "ಟಿಪ್ಪಣಿ ನಕಲಿಸು";
-Blockly.Msg["ENABLE_BLOCK"] = "ಬ್ಲಾಕ್ ಸಕ್ರಿಯಗೊಳಿಸು";
-Blockly.Msg["EXPAND_ALL"] = "ಬ್ಲಾಕ್‍ಗಳನ್ನು ವಿಸ್ತರಿಸು";
-Blockly.Msg["EXPAND_BLOCK"] = "ಬ್ಲಾಕ್ ವಿಸ್ತರಿಸು";
-Blockly.Msg["EXTERNAL_INPUTS"] = "ಬಾಹ್ಯ ಒಳಾಂಶಗಳು";
-Blockly.Msg["HELP"] = "ಸಹಾಯ";
-Blockly.Msg["INLINE_INPUTS"] = "ಇನ್ಲೈನ್ ಒಳಾಂಶಗಳು";
-Blockly.Msg["IOS_CANCEL"] = "ರದ್ದುಮಾಡು";
-Blockly.Msg["IOS_ERROR"] = "ತಪ್ಪು";
-Blockly.Msg["IOS_OK"] = "ಸರಿ";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ ಒಳಾಂಶವನ್ನು ಸೇರಿಸು";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "ಹೇಳಿಕೆಗಳನ್ನು ಅನುಮತಿಸಿ";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "ಈ ಕೆಲಸವು ನಕಲಿ ಒಳಾಂಶಗಳನ್ನು ಒಳಗೊಂಡಿರುತ್ತದೆ.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ಒಳಾಂಶಗಳು";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "ಸೇರಿಸು";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶವನ್ನು ಸೇರಿಸು";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "ಅಳಿಸು";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "ನೀವು ಖಾಲಿ ಮೂಲಾಂಶದ ಹೆಸರನ್ನು ಬಳಸಲಾಗುವುದಿಲ್ಲ.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "ಹೆಸರು ಬದಲಾಯಿಸು";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶದ ಹೆಸರು";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "ಪಟ್ಟಿ";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "ಮೊದಲ";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "ಕೊನೆಯಿಂದ";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "ಪಡೆಯಲು";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "ಪಡೆಯಲು ಮತ್ತು ತೆಗೆಯಲು";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "ಕೊನೆಯ";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "random";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "ತೆಗೆ";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "ಪಟ್ಟಿಯಲ್ಲಿ";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "as";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insert at";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ತಪ್ಪು";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Returns either true or false.";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "ನಿಜ";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Return true if both inputs equal each other.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "not %1";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
-Blockly.Msg["LOGIC_NULL"] = "ಶೂನ್ಯ";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returns null.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_AND"] = "ಮತ್ತು";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ಅಥವಾ";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "ಟೆಸ್ಟ್";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "if false";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "if true";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Return the sum of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "change %1 by %2";  // untranslated
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "is divisible by";  // untranslated
-Blockly.Msg["MATH_IS_EVEN"] = "is even";  // untranslated
-Blockly.Msg["MATH_IS_NEGATIVE"] = "is negative";  // untranslated
-Blockly.Msg["MATH_IS_ODD"] = "is odd";  // untranslated
-Blockly.Msg["MATH_IS_POSITIVE"] = "is positive";  // untranslated
-Blockly.Msg["MATH_IS_PRIME"] = "is prime";  // untranslated
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "is whole";  // untranslated
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";  // untranslated
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "ಹಲವಾರು";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "average of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "max of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "min of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "sum of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "ಸುತ್ತು";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "round down";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "round up";  // untranslated
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "ಸಂಪೂರ್ಣ";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "ವರ್ಗಮೂಲ";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "ಸಂಖ್ಯೆಯ ಪರಿಪೂರ್ಣ ಮೌಲ್ಯ ಮರಳಿಸು";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "ಸಂಖ್ಯೆಯ ವರ್ಗಮೂಲ ಮರಳಿಸು.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";  // untranslated
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "ಬಣ್ಣ ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶ ಸೃಷ್ಟಿಸು ...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "ಸಂಖ್ಯೆ ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶ ಸೃಷ್ಟಿಸು ...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "ಅಕ್ಷರ ಮಾಲೆ ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶ ಸೃಷ್ಟಿಸು...";
-Blockly.Msg["NEW_VARIABLE"] = "ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶ ಸೃಷ್ಟಿಸು ...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶದ ಹೆಸರು:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶದ ಬಗೆ:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "ಜೊತೆ:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "ಜೊತೆ:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "do something";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "to";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "return";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "ಮುಂದಿದ್ದ ಸ್ಥಿತಿಗೆ ಮರಳಿಸು";
-Blockly.Msg["REMOVE_COMMENT"] = "ಟಿಪ್ಪಣಿ ಅಳಿಸು";
-Blockly.Msg["RENAME_VARIABLE"] = "ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶ ಮರುಹೆಸರಿಸು...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "ಎಲ್ಲ '%1' ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶಗಳನ್ನು ಮರುಹೆಸರಿಸು:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "ಸೇರಿಸಿ";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "ಪಠ್ಯದಲ್ಲಿ";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "ಮುದ್ರಣ %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "ಇಂದು";
-Blockly.Msg["UNDO"] = "ಹಿಂದಿದ್ದ ಸ್ಥಿತಿಗೆ ಮರಳಿಸು";
-Blockly.Msg["UNNAMED_KEY"] = "ಹೆಸರಿಡದ";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "ವಸ್ತು";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "'%1' ಎನ್ನುವ ಹೆಸರಿನ ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶ ಈಗಾಗಲೇ ಅಸ್ತಿತ್ವದಲ್ಲಿದೆ.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "%1' ಎನ್ನುವ ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶವು ಈಗಾಗಲೇ '%2' ಬಗೆಯಲ್ಲಿ ಅಸ್ತಿತ್ವದಲ್ಲಿದೆ.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/ko.js b/msg/js/ko.js
deleted file mode 100644
index a9ab1767503..00000000000
--- a/msg/js/ko.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "주석 추가";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "'%2' 함수 정의의 일부이기 때문에 '%1' 변수를 삭제할 수 없습니다";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "값 바꾸기:";
-Blockly.Msg["CLEAN_UP"] = "블록 정리";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "접힌 블록이 경고를 포함하고 있습니다.";
-Blockly.Msg["COLLAPSE_ALL"] = "블록 축소";
-Blockly.Msg["COLLAPSE_BLOCK"] = "블록 축소";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "색 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "색 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "비율";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "혼합";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "두 색을 주어진 비율로 혼합 (0.0 - 1.0)";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://ko.wikipedia.org/wiki/색";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "팔레트에서 색을 고릅니다";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "무작위 색상";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "무작위로 색을 고릅니다.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "파랑";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "초록";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "빨강";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "색";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "빨강,파랑,초록의 값을 이용하여 색을 만드십시오. 모든 값은 0과 100 사이에 있어야 합니다.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://ko.wikipedia.org/wiki/%EC%A0%9C%EC%96%B4_%ED%9D%90%EB%A6%84";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "반복 중단";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "다음 반복";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "현재 반복 실행 블럭을 빠져나갑니다.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "나머지 반복 부분을 더 이상 실행하지 않고, 다음 반복을 수행합니다.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "경고 : 이 블록은 반복 실행 블럭 안에서만 사용됩니다.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://ko.wikipedia.org/wiki/For_%EB%A3%A8%ED%94%84#.EC.9E.84.EC.9D.98.EC.9D.98_.EC.A7.91.ED.95.A9";
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "각 항목에 대해 %1 목록으로 %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "리스트 안에 들어있는 각 아이템들을, 순서대로 변수 '%1' 에 한 번씩 저장시키고, 그 때 마다 명령을 실행합니다.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://ko.wikipedia.org/wiki/For_%EB%A3%A8%ED%94%84";
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "으로 계산 %1 %2에서 %4을 이용하여 %3로";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "변수 \"%1\"은 지정된 간격으로 시작 수에서 끝 수까지를 세어 지정된 블록을 수행해야 합니다.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "\"만약\" 블럭에 조건 검사를 추가합니다.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "\"만약\" 블럭의 마지막에, 모든 검사 결과가 거짓인 경우 실행할 부분을 추가합니다.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://ko.wikipedia.org/wiki/%EC%A1%B0%EA%B1%B4%EB%AC%B8";
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "섹션을 추가, 제거하거나 순서를 변경하여 이 if 블럭을 재구성합니다.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "아니라면";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "다른 경우";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "만약";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "조건식의 계산 결과가 참이면, 명령을 실행합니다.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "조건식의 계산 결과가 참이면, 첫 번째 블럭의 명령을 실행하고, 그렇지 않으면 두 번째 블럭의 명령을 실행합니다.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "첫 번째 조건식의 계산 결과가 참이면, 첫 번째 블럭의 명령을 실행하고, 두 번째 조건식의 계산 결과가 참이면, 두 번째 블럭의 명령을 실행합니다.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "첫 번째 조건식의 계산 결과가 참이면, 첫 번째 블럭의 명령을 실행하고, 두 번째 조건식의 계산 결과가 참이면, 두 번째 블럭의 명령을 실행하고, ... , 어떤 조건식의 계산 결과도 참이 아니면, 마지막 블럭의 명령을 실행합니다.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://ko.wikipedia.org/wiki/For_루프";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "하기";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1회 반복";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "여러 번 반복해 명령들을 실행합니다.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://ko.wikipedia.org/wiki/While_%EB%A3%A8%ED%94%84";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "다음까지 반복";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "동안 반복";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "값이 거짓일 때, 몇 가지 선언을 합니다.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "값이 참일 때, 몇 가지 선언을 합니다.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "모든 블록 %1개를 삭제하겠습니까?";
-Blockly.Msg["DELETE_BLOCK"] = "블록 삭제";
-Blockly.Msg["DELETE_VARIABLE"] = "'%1' 변수를 삭제합니다";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "'%2' 변수에서 %1을(를) 삭제하시겠습니까?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "블록 %1개 삭제";
-Blockly.Msg["DISABLE_BLOCK"] = "블록 비활성화";
-Blockly.Msg["DUPLICATE_BLOCK"] = "복제";
-Blockly.Msg["DUPLICATE_COMMENT"] = "주석 복제하기";
-Blockly.Msg["ENABLE_BLOCK"] = "블록 활성화";
-Blockly.Msg["EXPAND_ALL"] = "블록 확장";
-Blockly.Msg["EXPAND_BLOCK"] = "블록 확장";
-Blockly.Msg["EXTERNAL_INPUTS"] = "외부 입력";
-Blockly.Msg["HELP"] = "도움말";
-Blockly.Msg["INLINE_INPUTS"] = "내부 입력";
-Blockly.Msg["IOS_CANCEL"] = "취소";
-Blockly.Msg["IOS_ERROR"] = "오류";
-Blockly.Msg["IOS_OK"] = "확인";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ 입력 추가";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "구문 허가";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "이 기능은 중복된 입력이 있습니다.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "입력";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "추가";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ 변수 추가";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "삭제";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "비어있는 변수 이름을 사용할 수 없습니다.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "이름 바꾸기";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "변수 이름";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "빈 리스트 생성";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "데이터 레코드가 없는, 길이가 0인 목록을 반환합니다.";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "리스트";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "섹션을 추가, 제거하거나 순서를 변경하여 이 리스트 블럭을 재구성합니다.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "리스트 만들기";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "아이템을 리스트에 추가합니다.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "원하는 수의 항목들로 목록을 생성합니다.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "첫 번째";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "마지막 번째 위치부터, # 번째";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "가져오기";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "잘라 내기";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "마지막";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "임의로";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "삭제";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "첫 번째 아이템을 찾아 돌려줍니다.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "목록에서 특정 위치의 항목을 반환합니다.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "마지막 아이템을 찾아 돌려줍니다.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "리스트의 아이템들 중, 랜덤으로 선택해 돌려줍니다.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "첫 번째 아이템을 찾아내 돌려주고, 그 아이템을 리스트에서 삭제합니다.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "목록의 특정 위치에 있는 항목을 제거하고 반환합니다.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "마지막 아이템을 찾아내 돌려주고, 그 아이템을 리스트에서 삭제합니다.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "목록에서 임의 위치의 아이템을 찾아내 삭제하고 돌려줍니다.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "리스트에서 첫 번째 아이템을 삭제합니다.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "목록에서 특정 위치의 항목을 삭제합니다.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "리스트에서 마지막 아이템을 찾아 삭제합니다.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "리스트에서 랜덤하게 아이템을 삭제합니다.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "끝에서부터 # 번째로";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "앞에서부터 # 번째로";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "마지막으로";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "첫 번째 위치부터, 서브 리스트 추출";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "마지막부터 # 번째 위치부터, 서브 리스트 추출";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "처음 # 번째 위치부터, 서브 리스트 추출";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "목록의 특정 부분에 대한 복사본을 만듭니다.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1은(는) 마지막 항목입니다.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1은 첫 번째 항목입니다.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "처음으로 나타난 위치";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "마지막으로 나타난 위치";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "목록에서 항목이 처음 또는 마지막으로 발생한 색인 위치를 반환합니다. 항목이 없으면 %1을 반환합니다.";
-Blockly.Msg["LISTS_INLIST"] = "리스트";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1이 비어 있습니다";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "목록이 비었을 때 참을 반환합니다.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1의 길이";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "목록의 길이를 반환합니다.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "%1을 %2번 넣어, 리스트 생성";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "지정된 값을, 지정된 개수 만큼 넣어, 목록을 생성합니다.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "%1 뒤집기";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "리스트의 복사본을 뒤집습니다.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "에";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "에서 원하는 위치에 삽입";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "에서 설정";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "항목을 목록의 처음 위치에 삽입합니다.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "목록의 특정 위치에 항목을 삽입합니다.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "리스트의 마지막에 아이템을 추가합니다.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "목록에서 임의 위치에 아이템을 삽입합니다.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "첫 번째 위치의 아이템으로 설정합니다.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "목록의 특정 위치에 있는 항목으로 설정합니다.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "마지막 아이템으로 설정합니다.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "목록에서 임의 위치의 아이템을 설정합니다.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "오름차순";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "내림차순";
-Blockly.Msg["LISTS_SORT_TITLE"] = "정렬 %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "목록의 사본을 정렬합니다.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "알파벳순 (대소문자 구분 안 함)";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "숫자순";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "알파벳순";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "텍스트에서 목록 만들기";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "목록에서 텍스트 만들기";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "구분 기호로 구분하여 텍스트 목록을 하나의 텍스트에 병합합니다.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "각 속보, 텍스트의 목록들에서 텍스트를 분할합니다.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "분리와";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "거짓";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://ko.wikipedia.org/wiki/%EC%A7%84%EB%A6%BF%EA%B0%92";
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "참 혹은 거짓 모두 반환합니다.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "참";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://ko.wikipedia.org/wiki/부등식";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "두 값이 같으면, 참(true) 값을 돌려줍니다.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "첫 번째 값이 두 번째 값보다 크면, 참(true) 값을 돌려줍니다.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "첫 번째 값이 두 번째 값보다 크거나 같으면, 참(true) 값을 돌려줍니다.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "첫 번째 값이 두 번째 값보다 작으면, 참(true) 값을 돌려줍니다.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "첫 번째 값이 두 번째 값보다 작거나 같으면, 참(true) 값을 돌려줍니다.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "두 값이 서로 다르면, 참(true) 값을 돌려줍니다.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://ko.wikipedia.org/wiki/%EB%B6%80%EC%A0%95";
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "%1가 아닙니다";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "입력값이 거짓이라면 참을 반환합니다. 참이라면 거짓을 반환합니다.";
-Blockly.Msg["LOGIC_NULL"] = "빈 값";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "빈 값을 반환합니다.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "그리고";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://ko.wikipedia.org/wiki/%EB%B6%88_%EB%85%BC%EB%A6%AC";
-Blockly.Msg["LOGIC_OPERATION_OR"] = "또는";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "두 값이 모두 참(true) 값이면, 참 값을 돌려줍니다.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "적어도 하나의 값이 참일 경우 참을 반환합니다.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "테스트";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://ko.wikipedia.org/wiki/물음표";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "만약 거짓이라면";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "만약 참이라면";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "'test'의 조건을 검사합니다. 조건이 참이면 'if true' 값을 반환합니다. 거짓이면 'if false' 값을 반환합니다.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://ko.wikipedia.org/wiki/산술";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "두 수의 합을 반환합니다.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "두 수의 나눈 결과를 반환합니다.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "두 수간의 차이를 반환합니다.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "두 수의 곱을 반환합니다.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "첫 번째 수를 두 번째 수 만큼, 거듭제곱 한 결과값을 돌려줍니다.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "X:%1 Y:%2의 atan2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "점 (X, Y)의 아크탄젠트를 -180에서 180까지 도 단위로 반환합니다.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "바꾸기 %1 만큼 %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "변수 '%1' 에 저장되어있는 값에, 어떤 수를 더해, 변수에 다시 저장합니다.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://ko.wikipedia.org/wiki/수학_상수";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "일반적인 상수 값들 중 하나를 돌려줍니다. : π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://ko.wikipedia.org/wiki/클램핑_(그래픽)";
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "%1의 값을, 최소 %2 최대 %3으로 조정";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "어떤 수를, 특정 범위의 값이 되도록 강제로 조정합니다.";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "가 다음 수로 나누어 떨어지면 :";
-Blockly.Msg["MATH_IS_EVEN"] = "가 짝수(even) 이면";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "가 음(-)수 이면";
-Blockly.Msg["MATH_IS_ODD"] = "가 홀수(odd) 이면";
-Blockly.Msg["MATH_IS_POSITIVE"] = "가 양(+)수 이면";
-Blockly.Msg["MATH_IS_PRIME"] = "가 소수(prime) 이면";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "어떤 수가 짝 수, 홀 수, 소 수, 정 수, 양 수, 음 수, 나누어 떨어지는 수 인지 검사해 결과값을 돌려줍니다. 참(true) 또는 거짓(false) 값을 돌려줌.";
-Blockly.Msg["MATH_IS_WHOLE"] = "가 정수이면";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "%1 ÷ %2의 나머지";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "첫 번째 수를 두 번째 수로 나눈, 나머지 값을 돌려줍니다.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "x";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://ko.wikipedia.org/wiki/수_(수학)";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "수";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "평균값";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "최대값";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "중간값";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "최소값";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "가장 여러 개 있는 값";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "목록의 임의 항목";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "표준 편차";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "합";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "리스트에 들어있는 수(값)들에 대해, 산술 평균(arithmetic mean) 한 값을 돌려줍니다.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "리스트에 들어있는 수(값) 들 중, 가장 큰(max) 수(값)를 돌려줍니다.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "리스트에 들어있는 수(값) 들 중, 중간(median) 수(값)를 돌려줍니다.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "리스트에 들어있는 수(값) 들 중, 가장 작은(min) 수(값)를 돌려줍니다.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "리스트에 들어있는 아이템들 중에서, 가장 여러 번 들어있는 아이템들을 리스트로 만들어 돌려줍니다. (최빈값, modes)";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "목록에서 임의의 아이템을 돌려줍니다.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "이 리스트의 표준 편차를 반환합니다.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "리스트에 들어있는 수(값)들을, 모두 합(sum) 한, 총합(sum)을 돌려줍니다.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "임의 분수";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "0.0 (포함)과 1.0 (배타적) 사이의 임의 분수 값을 돌려줍니다.";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "랜덤정수(%1<= n <=%2)";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "두 주어진 제한된 범위 사이의 임의 정수값을 돌려줍니다.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://ko.wikipedia.org/wiki/반올림";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "반올림";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "버림";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "올림";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "어떤 수를 반올림/올림/버림한 결과를, 정수값으로 돌려줍니다.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://ko.wikipedia.org/wiki/제곱근";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "절대값";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "제곱근";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "어떤 수의 절대값(absolute)을 계산한 결과를, 정수값으로 돌려줍니다.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "e의 거듭제곱 값을 반환합니다.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "어떤 수의, 자연로그(natural logarithm) 값을 돌려줍니다.(밑 e, 예시 log e x)";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "어떤 수의, 기본로그(logarithm) 값을 돌려줍니다.(밑 10, 예시 log 10 x)";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "음(-)/양(+), 부호를 반대로 하여 값을 돌려줍니다.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "10의 거듭제곱 값을 반환합니다.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "숫자의 제곱근을 반환합니다.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://ko.wikipedia.org/wiki/삼각함수";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "어떤 수에 대한, acos(arccosine) 값을 돌려줍니다.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "어떤 수에 대한, asin(arcsine) 값을 돌려줍니다.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "어떤 수에 대한, atan(arctangent) 값을 돌려줍니다.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "각도의 코사인을 반환합니다. (라디안 아님)";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "각도의 사인을 반환합니다. (라디안 아님)";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "각도의 탄젠트를 반환합니다. (라디안 아님)";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "색 변수 만들기...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "숫자 변수 만들기....";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "문자열 변수 만들기...";
-Blockly.Msg["NEW_VARIABLE"] = "변수 만들기...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "새 변수 이름:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "새 변수 유형:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "서술 허가";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "사용:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://ko.wikipedia.org/wiki/함수_(프로그래밍)";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "미리 정의해 둔 '%1' 함수를 실행합니다.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://ko.wikipedia.org/wiki/함수_(프로그래밍)";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "미리 정의해 둔 '%1' 함수를 실행하고, 함수를 실행한 결과 값을 돌려줍니다.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "사용:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "'%1' 생성";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "이 함수를 설명하세요...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://ko.wikipedia.org/wiki/%ED%95%A8%EC%88%98_%28%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%B0%8D%29";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "함수 이름";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "함수";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "실행 후, 결과 값을 돌려주지 않는 함수를 만듭니다.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://ko.wikipedia.org/wiki/%ED%95%A8%EC%88%98_%28%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%B0%8D%29";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "다음을 돌려줌";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "실행 후, 결과 값을 돌려주는 함수를 만듭니다.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "경고: 이 함수에는, 같은 이름을 사용하는 매개 변수들이 있습니다.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "함수 정의 찾기";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "값이 참이라면, 두 번째 값을 반환합니다.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "경고: 이 블럭은, 함수 정의 블럭 안에서만 사용할 수 있습니다.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "매개 변수:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "함수에 값을 더합니다.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "매개 변수들";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "이 함수를 추가, 삭제, 혹은 재정렬합니다.";
-Blockly.Msg["REDO"] = "다시 실행";
-Blockly.Msg["REMOVE_COMMENT"] = "주석 제거";
-Blockly.Msg["RENAME_VARIABLE"] = "변수 이름 바꾸기:";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "'%1' 변수 이름을 바꾸기:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";
-Blockly.Msg["TEXT_APPEND_TITLE"] = "다음 %1 내용 덧붙이기 %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "'%1' 변수의 끝에 일부 텍스트를 덧붙입니다.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "소문자로";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "첫 문자만 대문자로";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "대문자로";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "영문 대소문자 형태를 변경해 돌려줍니다.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "에서, 첫 번째 문자 얻기";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "에서, 마지막부터 # 번째 위치의 문자 얻기";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "에서, 앞에서부터 # 번째 위치의 문자 얻기";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";
-Blockly.Msg["TEXT_CHARAT_LAST"] = "에서, 마지막 문자 얻기";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "에서, 랜덤하게 한 문자 얻기";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "텍스트 %1 %2에서";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "특정 번째 위치에서, 문자를 얻어내 돌려줍니다.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "%2에서 %1 숫자 세기";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "다른 어떤 텍스트에서 어떤 텍스트가 나타난 횟수를 셉니다.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "텍스트에 항목을 추가합니다.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "가입";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "섹션을 추가, 제거하거나 순서를 변경하여 이 텍스트 블럭을 재구성합니다.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "끝에서부터 # 번째 문자까지";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "# 번째 문자까지";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "마지막 문자까지";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "문장";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "에서, 처음부터 얻어냄";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "에서, 마지막에서 # 번째부터 얻어냄";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "에서, 처음부터 # 번째 문자부터 얻어냄";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "문장 중 일부를 얻어내 돌려줍니다.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "에서 다음 문장이 처음으로 나타난 위치 찾기 :";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "에서 다음 문장이 마지막으로 나타난 위치 찾기 :";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "문장 %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "두 번째 텍스트에서 첫 번째 텍스트가 처음 또는 마지막으로 발생한 색인 위치를 반환합니다. 텍스트가 없으면 %1을 반환합니다.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1이 비어 있습니다";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "입력된 문장이, 빈 문장(\"\")이면 참(true) 값을 돌려줍니다.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "텍스트 만들기";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "여러 개의 아이템들을 연결해(묶어), 새로운 문장을 만듭니다.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "다음 문장의 문자 개수 %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "입력된 문장의, 문자 개수를 돌려줍니다.(공백문자 포함)";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";
-Blockly.Msg["TEXT_PRINT_TITLE"] = "다음 내용 출력 %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "원하는 문장, 수, 값 등을 출력합니다.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "수에 대해 사용자의 입력을 받습니다.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "문장에 대해 사용자의 입력을 받습니다.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "메시지를 활용해 수 입력";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "메시지를 활용해 문장 입력";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "%3에서 %2을(를) %1(으)로 바꾸기";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "다른 텍스트 내에서 일부 텍스트의 모든 발생을 치환합니다.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "%1 뒤집기";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "텍스트 안의 문자의 순서를 반전시킵니다.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://ko.wikipedia.org/wiki/문자열";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "문자, 단어, 문장.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "양쪽의 공백 문자 제거";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "왼쪽의 공백 문자 제거";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "오른쪽의 공백 문자 제거";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "문장의 왼쪽/오른쪽/양쪽에서 스페이스 문자를 제거해 돌려줍니다.";
-Blockly.Msg["TODAY"] = "오늘";
-Blockly.Msg["UNDO"] = "실행 취소";
-Blockly.Msg["UNNAMED_KEY"] = "이름이 없는";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "항목";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "'집합 %1' 생성";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://ko.wikipedia.org/wiki/%EB%B3%80%EC%88%98_(%EC%BB%B4%ED%93%A8%ED%84%B0_%EA%B3%BC%ED%95%99)";
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "변수에 저장 되어있는 값을 돌려줍니다.";
-Blockly.Msg["VARIABLES_SET"] = "%1를 %2로 설정";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "'%1 값 읽기' 블럭 생성";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://ko.wikipedia.org/wiki/%EB%B3%80%EC%88%98_(%EC%BB%B4%ED%93%A8%ED%84%B0_%EA%B3%BC%ED%95%99)";
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "변수의 값을 입력한 값으로 변경해 줍니다.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "'%1' 변수는 이미 존재합니다.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "'%1' 변수는 다른 유형에 대해 이미 존재합니다: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly 워크스페이스";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "말해 보세요...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/lb.js b/msg/js/lb.js
deleted file mode 100644
index 4fa44043859..00000000000
--- a/msg/js/lb.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Bemierkung derbäisetzen";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Wäert änneren:";
-Blockly.Msg["CLEAN_UP"] = "Bléck opraumen";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Bléck zesummeklappen";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Block zesummeklappen";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "Faarf 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "Faarf 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "ratio";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "mëschen";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Blends two colours together with a given ratio (0.0 - 1.0).";  // untranslated
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";  // untranslated
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Sicht eng Faarf an der Palette eraus.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "zoufälleg Faarf";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Eng zoufälleg Faarf eraussichen.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blo";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "gréng";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "rout";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "fierwe mat";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Create a colour with the specified amount of red, green, and blue. All values must be between 0 and 100.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "break out of loop";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continue with next iteration of loop";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Break out of the containing loop.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warning: This block may only be used within a loop.";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "fir all Element %1 an der Lëscht %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For each item in a list, set the variable '%1' to the item, and then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "zielt mat %1 vun %2 bis %3 mat %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Add a condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "soss";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "else if";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "wann";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "If a value is true, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "maach";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1-mol widderhuelen";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Do some statements several times.";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "widderhuele bis";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "Widderhuel soulaang";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Féiert d'Uweisungen aus, soulaang wéi de Wäert falsch ass.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Féiert d'Uweisungen aus, soulaang wéi de Wäert richteg ass";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Delete all %1 blocks?";  // untranslated
-Blockly.Msg["DELETE_BLOCK"] = "Block läschen";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 Bléck läschen";
-Blockly.Msg["DISABLE_BLOCK"] = "Block desaktivéieren";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Eng Kopie maachen";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Bemierkung kopéieren";
-Blockly.Msg["ENABLE_BLOCK"] = "Block aktivéieren";
-Blockly.Msg["EXPAND_ALL"] = "Bléck opklappen";
-Blockly.Msg["EXPAND_BLOCK"] = "Block opklappen";
-Blockly.Msg["EXTERNAL_INPUTS"] = "External Inputs";  // untranslated
-Blockly.Msg["HELP"] = "Hëllef";
-Blockly.Msg["INLINE_INPUTS"] = "Inline Inputs";  // untranslated
-Blockly.Msg["IOS_CANCEL"] = "Ofbriechen";
-Blockly.Msg["IOS_ERROR"] = "Feeler";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Derbäisetzen";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Variabel derbäisetzen";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Läschen";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Dir kënnt keen eidelen Numm fir eng Variabel benotzen.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Ëmbenennen";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Numm vun der Variabel";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "Lëscht";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "En Element op d'Lëscht derbäisetzen.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "éischt";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# vun hannen";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "get";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "lescht";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "Zoufall";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "ewechhuelen";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Schéckt en zoufällegt Element aus enger Lëscht zréck.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Hëlt dat lescht Element aus enger Lëscht eraus.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Hëlt en zoufällegt Element aus enger Lëscht eraus.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 ass dat éischt Element.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 ass dat éischt Element.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "an der Lëscht";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 ass eidel";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "Längt vu(n) %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "%1 ëmdréinen";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "als";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "asetzen op";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Setzt d'Element um Enn vun enger Lëscht derbäi.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Setzt d'Element op eng zoufälleg Plaz an d'Lëscht derbäi.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Setzt en zoufällegt Element an eng Lëscht.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "%1 %2 %3 zortéieren";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeresch";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetesch";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "falsch";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Schéckt entweder richteg oder falsch zréck.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "wouer";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Return true if both inputs equal each other.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "net %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returns null.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_AND"] = "an";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "oder";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "Test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "wa falsch";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "wa wouer";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Den Total vun den zwou Zuelen zréckginn.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "D'Produkt vun den zwou Zuelen zréckginn.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "änneren %1 ëm %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "is divisible by";  // untranslated
-Blockly.Msg["MATH_IS_EVEN"] = "ass gerued";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "ass negativ";
-Blockly.Msg["MATH_IS_ODD"] = "ass ongerued";
-Blockly.Msg["MATH_IS_POSITIVE"] = "ass positiv";
-Blockly.Msg["MATH_IS_PRIME"] = "ass eng Primzuel";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "ass eng ganz Zuel";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "Rescht vu(n) %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";  // untranslated
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Eng Zuel.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "Moyenne vun der Lëscht";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "Maximum aus der Lëscht";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "min of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "zoufällegt Element vun enger Lëscht";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "sum of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Schéckt de gréisste Wäert aus enger Lëscht zréck.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "zoufälleg ganz Zuel tëscht %1 a(n) %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "opronnen";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "ofrënnen";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "oprënnen";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Eng Zuel op- oder ofrënnen.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://lb.wikipedia.org/wiki/Racine carrée";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolut";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "Quadratwuerzel";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";  // untranslated
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";  // untranslated
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Variabel uleeën...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Neie variabelen Numm:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "mat:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "mat:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "'%1' uleeën";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Dës Funktioun beschreiwen...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "eppes maachen";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "to";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "zréck";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "Widderhuelen";
-Blockly.Msg["REMOVE_COMMENT"] = "Bemierkung ewechhuelen";
-Blockly.Msg["RENAME_VARIABLE"] = "Variabel ëmbenennen...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "All '%1' Variabelen ëmbenennen op:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "am Text %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "En Element bei den Text derbäisetzen.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "join";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "bis bei de Buschtaf #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "bis bei de leschte Buschtaw";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "am Text";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "am Text %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 ass eidel";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "Längt vu(n) %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "%1 drécken";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Frot de Benotzer no engem Text.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "%1 duerch %2 a(n) %3 ersetzen";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "All Kéiers wou e bestëmmten Text do ass duerch en aneren Text ersetzen.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Dréint d'Reiefolleg vun den Zeechen am Text ëm.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "E Buschtaf, e Wuert oder eng Textzeil.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "Haut";
-Blockly.Msg["UNDO"] = "Réckgängeg maachen";
-Blockly.Msg["UNNAMED_KEY"] = "ouni Numm";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "Element";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Sot eppes...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/lki.js b/msg/js/lki.js
deleted file mode 100644
index e5fe87d4948..00000000000
--- a/msg/js/lki.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "گةپ دائن";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "تةغییر مقدار:";
-Blockly.Msg["CLEAN_UP"] = "تمیزکردن بلاکةل";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "چؤیچانن/پشکانن بلاکةل";
-Blockly.Msg["COLLAPSE_BLOCK"] = "چؤیچانن/پشکانن بلاک";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "رةنگ 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "رةنگ 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "نسبت";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "قاتی پاتی";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "دو رنگ را با نسبت مشخص‌شده مخلوط می‌کند (۰٫۰ - ۱٫۰)";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://lki.wikipedia.org/wiki/ڕەنگ";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "رةنگێ إژ تةختة رةنگ انتخاب کةن";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "رةنگ بةختةکی";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = ".رةنگئ بةختةکی انتخاب کةن";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "کاوو";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "سؤز";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "سۆر";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "رةنگ وة";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "ساخت یک رنگ با مقدار مشخص‌شده‌ای از سۆر، سؤز و کاوو. همهٔ مقادیر باید بین ۰ تا ۱۰۰ باشند.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "شکانِن حلقه";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "ادامه با تکرار بعدی حلقه";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "شکستن حلقهٔ شامل.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "پریدن از بقیهٔ حلقه و ادامه با تکرار بعدی.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "اخطار: این بلوک ممکن است فقط داخل یک حلقه استفاده شود.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "ئةرا هر مورد %1 وۀ نام لیست%2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "برای هر مورد در این فهرست، تنظیم متغیر «%1» به مورد و انجام تعدادی عبارت.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "با تعداد %1 از %2 به %3 با گام‌های %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "متغیر %1 را در مقادیر شروع‌شده از عدد انتهای  به عدد انتهایی را دارد، با فواصل مشخص‌شده می‌شمارد و این بلوک مشخص‌شده را انجام می‌دهد.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "افزودن یک شرط به بلوک اگر.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "اضافه‌کردن نهایی، گرفتن همهٔ شرایط به بلوک اگر.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "افزودن، حذف یا بازمرتب‌سازی قسمت‌ها برای پیکربندی دوبارهٔ این بلوک اگر.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "آنگاه";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "اگر آنگاه";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "اگر";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "اگر یک مقدار صحیح است، سپس چند عبارت را انجام بده.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "اگر یک مقدار صحیح است، اول بلوک اول عبارات را انجام بده.  در غیر این صورت بلوک دوم عبارات انجام بده.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "اگر مقدار اول صحیح بود، از آن بلوک اول عبارات را انجام بده.  در غیر این صورت، اگر مقدار دوم صحیح است، بلوک دوم عبارات را انجام بده.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "اگر مقدار اول درست است، بلوک اول عبارات را انجام بده.  در غیر این صورت، اگر مقدار دوم درست باشد بلوک دوم عبارات را انجام بده.  اگر هیچ از مقادیر درست نبود، آخرین بلوک عبارات را انجام بده.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://lki.wikipedia.org/wiki/حلقه_فور";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "انجوم بی";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%بار تکرار 1";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "انجام چةن عبارت چندین گِل.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "تکرار تا وةختێ گإ";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "تکرار در حالی که";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "تا زمانی که یک مقدار ناصحیح است، چند عبارت را انجام بده.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "تا زمانی که یک مقدار صحیح است، چند عبارت را انجام بده.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "حةذف کؤل %1 بلاکةل?";
-Blockly.Msg["DELETE_BLOCK"] = "پاک کردن بلاک";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "حةذف %1 بلاکةل";
-Blockly.Msg["DISABLE_BLOCK"] = "إ کار کةتن(غیرفعال‌سازی) بلاک";
-Blockly.Msg["DUPLICATE_BLOCK"] = "کؤپی کردن";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "إ کارآشتن(فعال)بلاک";
-Blockly.Msg["EXPAND_ALL"] = "کةلنگآ کردِن بلاکةل";
-Blockly.Msg["EXPAND_BLOCK"] = "کةلنگآ کردِن بلاک";
-Blockly.Msg["EXTERNAL_INPUTS"] = "ورودیةل خروجی";
-Blockly.Msg["HELP"] = "کؤمةک";
-Blockly.Msg["INLINE_INPUTS"] = "ورودیةل نوم جا";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";  // untranslated
-Blockly.Msg["IOS_ERROR"] = "Error";  // untranslated
-Blockly.Msg["IOS_OK"] = "OK";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "ایجاد فهرست خالی";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "فهرستی با طول صفر شامل هیچ رکورد داده‌ای بر می‌گرداند.";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "لیست";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "اضافه‌کردن، حذف‌کردن یا ترتیب‌سازی مجدد بخش‌ها این بلوک فهرستی.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "ایجاد فهرست با";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "اضافه‌کردن یک مورد به فهرست.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "فهرستی از هر عددی از موارد می‌سازد.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "إژ أؤةل";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# إژ دؤما آخر";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "گِرتِن";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "گِرتِن و حةذف کردن";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "دؤمائن/آخرین";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "بةختةکی";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "حةذف کردن";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "اولین مورد یک فهرست را بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "موردی در محل مشخص‌شده بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "آخرین مورد در یک فهرست را بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "یک مورد تصادفی در یک فهرست بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "اولین مورد مشخص‌شده در فهرست را حذف و بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "مورد در محل مشخص‌شده در فهرست را حذف و بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "آخرین مورد مشخص‌شده در فهرست را حذف و بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "مورد تصادفی‌ای را در فهرست حذف و بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "اولین مورد را در یک فهرست حذف می‌کند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "مورد مشخص‌شده در موقعیت مشخص در یک فهرست را حذف و بر می‌گرداند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "آخرین مورد را در یک فهرست حذف می‌کند.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "یک مورد تصادفی را یک فهرست حذف می‌کند.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "به # از انتها";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "به #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "به آخرین";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "گرفتن زیرمجموعه‌ای از ابتدا";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "گرفتن زیرمجموعه‌ای از # از انتها";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "گرفتن زیرمجموعه‌ای از #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "کپی از قسمت مشخص‌شدهٔ لیست درست می‌کند.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 آخرین مورد است.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 اولین مورد است.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "یافتن اولین رخ‌داد مورد";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "یافتن آخرین رخ‌داد مورد";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "شاخصی از اولین/آخرین رخ‌داد مورد در فهرست را بر می‌گرداند. %1 بر می‌گرداند اگر آیتم موجود نبود.";
-Blockly.Msg["LISTS_INLIST"] = "در فهرست";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 خالی است";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "اگر فهرست خالی است مقدار صجیج بر می‌گرداند.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "طول %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "طول یک فهرست را برمی‌گرداند.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "فهرستی با %1 تکرارشده به اندازهٔ %2 می‌سازد";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "فهرستی شامل مقادیر داده‌شدهٔ تکرار شده عدد مشخص‌شده می‌سازد.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "به عنوان";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "درج در";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "مجموعه";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "موردی به ته فهرست اضافه می‌کند.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "موردی در موقعیت مشخص‌شده در یک فهرست اضافه می‌کند.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "موردی به ته فهرست الحاق می‌کند.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "مورد را به صورت تصادفی در یک فهرست می‌افزاید.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "اولین مورد در یک فهرست را تعیین می‌کند.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "مورد مشخص‌شده در یک فهرست را قرار می‌دهد.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "آخرین مورد در یک فهرست را تعیین می‌کند.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "یک مورد تصادفی در یک فهرست را تعیین می‌کند.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "ساخت لیست إژ متن";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "ساخت متن إژ لیست";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "همراه جداساز";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "نادرست";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "بازگرداندن یکی از صحیح یا ناصحیح.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "درست";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "بازگشت صحیح اگر هر دو ورودی با یکدیگر برابر باشد.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "بازگرداندن صحیح اگر ورودی اول بزرگتر از ورودی دوم باشد.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "بازگرداندن صحیح اگر ورودی اول بزرگتر یا مساوی یا ورودی دوم باشد.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "بازگرداندن صحیح اگر ورودی اول کوچکتر از ورودی دوم باشد.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "بازگرداندن صحیح اگر ورودی اول کوچکتر یا مساوی با ورودی دوم باشد.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "برگرداندن صحیح اگر هر دو ورودی با یکدیگر برابر نباشند.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "نه %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "صجیج باز می‌گرداند اگر ورودی نا صحیح باشند. ناصحیح بازمی‌گرداند اگر ورودی صحیح باشد.";
-Blockly.Msg["LOGIC_NULL"] = "پةتی/خالی";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "تهی باز می گرداند";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "و";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "یا";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "بازگرداندن صحیح اگر هر دو ورودی صحیح باشد.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "بازگرداندن صحیح اگر یکی از دو ورودی صحیح باشد.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "آزمائشت";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "اگر نادرست";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "اگر درست";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "بررسی وضعیت در «آزمایش». اگر وضعیت صحیح باشد، مقدار «اگر صحیح» را بر می‌گرداند در غیر اینصورت مقدار «اگر ناصحیح» را.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "بازگرداندن مقدار جمع دو عدد.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "بازگرداندن باقی‌ماندهٔ دو عدد.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "بازگرداندن تفاوت دو عدد.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "بازگرداندن حاصلضرب دو عدد.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "بازگرداندن اولین عددی که از توان عدد دوم حاصل شده باشد.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "تغییر %1 با %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "افزودن یک عدد به متغیر '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "یکی از مقادیر مشترک را برمی‌گرداند: π (۳٫۱۴۱…)، e (۲٫۷۱۸...)، φ (۱٫۶۱۸)، sqrt(۲) (۱٫۴۱۴)، sqrt(۱/۲) (۰٫۷۰۷...) و یا ∞ (بی‌نهایت).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "محدودکردن %1 پایین %2 بالا %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "محدودکردن یک عدد بین محدودیت‌های مشخص‌شده (بسته).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "تقسیم شده بر";
-Blockly.Msg["MATH_IS_EVEN"] = "زوج است";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "منفی است";
-Blockly.Msg["MATH_IS_ODD"] = "فرد است";
-Blockly.Msg["MATH_IS_POSITIVE"] = "مثبت است";
-Blockly.Msg["MATH_IS_PRIME"] = "عدد اول است";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "بررسی می‌کند که آیا یک عدد زوج، فرد، اول، کامل، مثبت، منفی یا بخش‌پذیر عدد خاصی باشد را بررسی می‌کند. درست یا نادرست باز می‌گرداند.";
-Blockly.Msg["MATH_IS_WHOLE"] = "کامل است";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "باقی‌ماندهٔ %1 + %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "باقی‌ماندهٔ تقسیم دو عدد را بر می‌گرداند.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "شؤمارە یەک";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "میانگین فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "بزرگ‌ترین فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "میانهٔ فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "گوجةرتةرین لیست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "مد فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "مورد تصادفی از فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "انحراف معیار فهرست";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "جمع لیست";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "میانگین (میانگین ریاضی) مقادیر عددی فهرست را بر می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "بزرگ‌ترین عدد در فهرست را باز می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "میانهٔ عدد در فهرست را بر می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "کوچک‌ترین عدد در فهرست را باز می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "شایع‌ترین قلم(های) در فهرست را بر می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "موردی تصادفی از فهرست را بر می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "انحراف معیار فهرست را بر می‌گرداند.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "جمع همهٔ عددهای فهرست را باز می‌گرداند.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "کسر تصادفی";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "بازگرداندن کسری تصادفی بین ۰٫۰ (بسته) تا ۱٫۰ (باز).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "عدد صحیح تصادفی بین %1 تا %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "یک عدد تصادفی بین دو مقدار مشخص‌شده به صورت بسته باز می‌گرداند.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "گردکردن";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "گرد به پایین";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "گرد به بالا";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "گردکردن یک عدد به بالا یا پایین.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "مطلق";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "ریشهٔ دوم";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "قدر مطلق یک عدد را بازمی‌گرداند.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "بازگرداندن توان e یک عدد.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "لوگاریتم طبیعی یک عدد را باز می‌گرداند.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "بازگرداندن لگاریتم بر پایهٔ ۱۰ یک عدد.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "منفی‌شدهٔ یک عدد را باز می‌گرداند.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "بازگرداندن توان ۱۰ یک عدد.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "ریشهٔ دوم یک عدد را باز می‌گرداند.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "بازگرداندن آرک‌کسینوس درجه (نه رادیان).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = ".(بازگرداندن آرک‌سینوس درجه (نه رادیان";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "بازگرداندن آرک‌تانژانت درجه (نه رادیان).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "بازگرداندن کسینوس درجه (نه رادیان).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "بازگرداندن سینوس درجه (نه رادیان).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "بازگرداندن تانژانت یک درجه (نه رادیان).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "متغیر تازه...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "نام متغیر تازه:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "اجازه اظهارات";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "با:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "اجرای تابع تعریف‌شده توسط کاربر «%1».";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "اجرای تابع تعریف‌شده توسط کاربر «%1» و استفاده از خروجی آن.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "با:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "ساختن «%1»";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "انجام چیزی";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "به";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "تابعی می‌سازد بدون هیچ خروجی.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "بازگشت";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "تابعی با یک خروجی می‌سازد.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "اخطار: این تابعی پارامتر تکراری دارد.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "برجسته‌سازی تعریف تابع";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "اگر یک مقدار صحیح است، مقدار دوم را برگردان.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "اخطار: این بلوک احتمالاً فقط داخل یک تابع استفاده می‌شود.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "نام ورودی:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "اضافه کردن ورودی به تابع.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "ورودی‌ها";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "افزودن، حذف یا دوباره مرتب‌کردن ورودی این تابع.";
-Blockly.Msg["REDO"] = "Redo";  // untranslated
-Blockly.Msg["REMOVE_COMMENT"] = "پاک کردن گةپةل/قِسةل";
-Blockly.Msg["RENAME_VARIABLE"] = "تغییر نام متغیر...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "تغییر نام همهٔ متغیرهای «%1» به:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "به %1 چسباندن متن %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "الحاق متنی به متغیر «%1».";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "به حروف کوچک";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "به حروف بزرگ عنوان";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "به حروف بزرگ";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "بازگرداندن کپی متن در حالتی متفاوت.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "گرفتن اولین حرف";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "گرفتن حرف # از آخر";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "گرفتن حرف #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "گرفتن آخرین حرف";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "گرفتن حرف تصادفی";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "حرفی در موقعیت مشخص‌شده بر می‌گرداند.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "افزودن یک مورد به متن.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "نام نؤیسی";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "اضافه‌کردن، حذف یا مرتب‌سازی بحش‌ها برای تنظیم مجدد این بلوک متنی.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "به حرف # از انتها";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "به حرف #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "به آخرین حرف";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "در متن";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "گرفتن زیرمتن از اولین حرف";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "گرفتن زیرمتن از حرف # به انتها";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "گرفتن زیرمتن از حرف #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "قسمت مشخصی‌شده‌ای از متن را بر می‌گرداند.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "اولین رخداد متن را بیاب";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "آخرین رخداد متن را بیاب";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "در متن %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "شاخصی از اولین آخرین رخ‌داد متن اول در متن دوم بر می‌گرداند. اگر متن یافت نشد %1 باز می‌گرداند.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 خالی است";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "اضافه‌کردن صحیح اگر متن فراهم‌شده خالی است.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "ایجاد متن با";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "یک تکه‌ای از متن را با چسپاندن همهٔ تعداد از موارد ایجاد می‌کند.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "طول %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "بازگرداندن عددی از حروف (شامل فاصله‌ها) در متن فراهم‌شده.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "چاپ %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "چاپ متن، عدد یا هر مقدار دیگر مشخص‌شده.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "اعلان برای کاربر با یک عدد.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "اعلان برای کاربر برای یک متن.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "اعلان برای عدد با پیام";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "اعلان برای متن با پیام";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "یک حرف، کلمه یا خطی از متن.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "تراشیدن فاصله‌ها از  هر دو طرف";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "تراشیدن فاصله‌ها از  طرف چپ";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "تراشیدن فاصله‌ها از  طرف چپ";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "کپی از متن با فاصله‌های حذف‌شده از یک یا هر دو پایان باز می‌گرداند.";
-Blockly.Msg["TODAY"] = "ایمڕۆ";
-Blockly.Msg["UNDO"] = "Undo";  // untranslated
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "آیتم";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "درست‌کردن «تنظیم %1»";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "مقدار این متغیر را بر می‌گرداند.";
-Blockly.Msg["VARIABLES_SET"] = "مجموعه %1 به %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "درست‌کردن «گرفتن %1»";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "متغیر برابر با خروجی را مشخص می‌کند.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/lo.js b/msg/js/lo.js
deleted file mode 100644
index 66f534d1267..00000000000
--- a/msg/js/lo.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "ເພີ່ມຄຳອະທິບາຍ";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "ປ່ຽນຄ່າ:";
-Blockly.Msg["CLEAN_UP"] = "ຈັດລຽນບລັອກໃຫ້ເປັນແຖວ";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "ຍຸບບລັອກ";
-Blockly.Msg["COLLAPSE_BLOCK"] = "ຍຸບບລັອກ";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "ສີ 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "ສີ 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "ອັດຕາສ່ວນ";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "ປະສົມ";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "ປະສົມສອງສີເຂົ້າກັນດ້ວຍອັດຕາສ່ວນ (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://lo.wikipedia.org/wiki/ສີ";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "ເລືອກສີຈາກຈານສີ.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "ສຸ່ມສີ";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "ເລືອກສີແບບສຸ່ມ.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "ຄ່າສີນ້ຳເງິນ";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "ຄ່າສີຂຽວ";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "ຄ່າສີແດງ";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "ສີທີ່ປະກອບດ້ວຍ";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "ສ້າງສີດ້ວຍການກຳນົດຄ່າສີແດງ, ສີຂຽວ, ແລະສີນ້ຳເງິນ. ຄ່າທັງໝົດຕ້ອງຢູ່ລະຫວ່າງ 0 ເຖິງ 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "ອອກຈາກການວົນຊ້ຳ";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "ເລີ່ມການວົນຊ້ຳຮອບຕໍ່ໄປ";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "ອອກຈາກການວົນຊ້ຳທີ່ຢູ່.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "ຂ້າມຜ່ານຄຳສັ່ງທີ່ເຫຼືອຢູ່, ແລະເລີ່ມການວົນຊ້ຳຮອບຕໍ່ໄປ.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "ຄຳເຕືອນ: ບລັອກນີ້ໃຊ້ງານໄດ້ພາຍໃນການວົນຊ້ຳເທົ່ານັ້ນ.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "ຈາກທຸກລາຍການ %1 ໃນລາຍຊື່ %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "ສຳລັບທຸກລາຍການໃນລາຍຊື່, ໃຫ້ຕັ້ງຄ່າຕົວແປ '%1' ເປັນລາຍການ, ແລະເຮັດຕາມຄຳສັ່ງທີ່ກຳນົດໄວ້.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "ນັບດ້ວຍ %1 ຈາກ %2 ເຖິງ %3 ປ່ຽນຄ່າທີລະ %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "ຕົວແປ '%1' ຈະເລີ່ມຈາກຈຳນວນເລີ່ມຕົ້ນໄປຫາຈຳນວນສຸດທ້າຍ, ນັບຕາມຊ່ວງໄລຍະທີ່ກຳນົດ, ແລະເຮັດຕາມບລັອກທີ່ກຳນົດໄວ້.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "ເພີ່ມເງື່ອນໄຂລົງໃນບລັອກ \"ຖ້າ\".";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "ເພີ່ມສິ່ງສຸດທ້າຍ, ກວດຫາຄວາມເປັນໄປໄດ້ທັງໝົດຂອງບລັອກ \"ຖ້າ\".";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "ເພີ່ມ, ລຶບ, ຫຼື ຈັດລຽງບລັອກ \"ຖ້າ\" ນີ້ໃໝ່.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "ນອກຈາກນີ້";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "ນອກຈາກນີ້ ຖ້າ";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ຖ້າ";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "ຖ້າເງື່ອນໄຂເປັນຈິງ, ກໍຈະເຮັດຕາມທີ່ກຳນົດ.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "ເຮັດ";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "ເຮັດຄືນ %1 ຄັ້ງ";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "ເຮັດຄຳສັ່ງບາງຄຳສັ່ງຄືນຫຼາຍໆຄັ້ງ.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ເຮັດຄືນຈົນກະທັ່ງ";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ເຮັດຄືນຂະນະທີ່";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "ຂະນະທີ່ຄ່າເປັນເທັດ, ກໍຈະເຮັດຄຳສັ່ງບາງຄຳສັ່ງ.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "ຂະນະທີ່ຄ່າເປັນຈິງ, ກໍຈະເຮັດຄຳສັ່ງບາງຄຳສັ່ງ.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "ລຶບ %1 ບລັອກທັງໝົດຫຼືບໍ່?";
-Blockly.Msg["DELETE_BLOCK"] = "ລຶບບລັອກ";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "ລຶບ %1 ບລັອກ";
-Blockly.Msg["DISABLE_BLOCK"] = "ປິດໃຊ້ງານບລັອກ";
-Blockly.Msg["DUPLICATE_BLOCK"] = "ເຮັດສຳເນົາ";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "ເປີດໃຊ້ງານບລັອກ";
-Blockly.Msg["EXPAND_ALL"] = "ຂະຫຍາຍບລັອກ";
-Blockly.Msg["EXPAND_BLOCK"] = "ຂະຫຍາຍບລັອກ";
-Blockly.Msg["EXTERNAL_INPUTS"] = "ອິນພຸດພາຍນອກ";
-Blockly.Msg["HELP"] = "ຊ່ວຍເຫຼືອ";
-Blockly.Msg["INLINE_INPUTS"] = "ອິນພຸດໃນບັນທັດ";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";  // untranslated
-Blockly.Msg["IOS_ERROR"] = "Error";  // untranslated
-Blockly.Msg["IOS_OK"] = "OK";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "list";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "first";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# from end";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "get";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "last";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "random";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "in list";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "as";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insert at";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ເທັດ";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "ຄືນຄ່າເປັນຈິງ ຫຼື ເທັດ.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "ຈິງ";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://​​lo.wikipedia.org/wiki/ອະສົມຜົນ";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "ຄືນຄ່າຈິງຖ້າຄ່າທີ່ີໃສ່ທັງສອງຄ່ານັ້ນເທົ່າກັນ.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "ຄືນຄ່າເປັນຈິງຖ້າຄ່າທຳອິດຫຼາຍກວ່າຄ່າທີ່ສອງ.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "ຄືນຄ່າເປັນຈິງຖ້າຄ່າທຳອິດຫຼາຍກວ່າ ຫຼື ເທົ່າກັບຄ່າທີ່ສອງ.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "ຄືນຄ່າເປັນຈິງຖ້າຄ່າທຳອິດນ້ອຍກວ່າຄ່າທີ່ສອງ.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "ຄືນຄ່າເປັນຈິງຖ້າຄ່າທຳອິດນ້ອຍກວ່າ ຫຼື ເທົ່າກັບຄ່າທີ່ສອງ.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "ຄືນຄ່າຈິງຖ້າຄ່າທີ່ີໃສ່ທັງສອງຄ່ານັ້ນບໍ່ເທົ່າກັນ.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ບໍ່ %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "ຄືນຄ່າເປັນຈິງຖ້າຄ່າທີ່ໃສ່ເປັນເທັດ. ຄືນຄ່າເປັນເທັດຖ້າຄ່າທີ່ໃສ່ເປັນຈິງ.";
-Blockly.Msg["LOGIC_NULL"] = "ບໍ່ກຳນົດ";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "ຄືນຄ່າບໍ່ກຳນົດ.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "ແລະ";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ຫຼື";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "ຄືນຄ່າເປັນຈິງຖ້າຄ່າທັງສອງເປັນຈິງ.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "ຄືນຄ່າເປັນຈິງຖ້າມີຄ່າຢ່າງນ້ອຍໜຶ່ງຄ່າທີ່ເປັນຈິງ.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "ທົດສອບ";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "ຖ້າ ເປັນເທັດ";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "ຖ້າ ເປັນຈິງ";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "ກວດສອບເງື່ອນໄຂໃນ 'ທົດສອບ'. ຖ້າເງື່ອນໄຂເປັນຈິງ, ຄືນຄ່າ 'ຖ້າ ເປັນຈິງ'; ຖ້າເງື່ອນໄຂເປັນເທັດ, ໃຫ້ຄືນຄ່າ 'ຖ້າ ເປັນເທັດ'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Return the sum of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "change %1 by %2";  // untranslated
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "is divisible by";  // untranslated
-Blockly.Msg["MATH_IS_EVEN"] = "is even";  // untranslated
-Blockly.Msg["MATH_IS_NEGATIVE"] = "is negative";  // untranslated
-Blockly.Msg["MATH_IS_ODD"] = "is odd";  // untranslated
-Blockly.Msg["MATH_IS_POSITIVE"] = "is positive";  // untranslated
-Blockly.Msg["MATH_IS_PRIME"] = "is prime";  // untranslated
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "is whole";  // untranslated
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://lo.wikipedia.org/wiki/ຈຳນວນ";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "ຈຳນວນໜຶ່ງ.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "average of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "max of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "min of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "sum of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "round";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "round down";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "round up";  // untranslated
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolute";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "square root";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";  // untranslated
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";  // untranslated
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Create variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "ຊື່ຕົວແປໃໝ່:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "do something";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "to";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "return";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "ເຮັດຄືນ";
-Blockly.Msg["REMOVE_COMMENT"] = "ເອົາຄຳອະທິບາຍອອກ";
-Blockly.Msg["RENAME_VARIABLE"] = "ປ່ຽນຊື່ຕົວແປ...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "ປ່ຽນຊື່ຕົວແປ '%1' ທັງໝົດເປັນ:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "join";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "print %1";  // untranslated
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "ມື້ນີ້";
-Blockly.Msg["UNDO"] = "ກັບຄືນ";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "ລາຍການ";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/lrc.js b/msg/js/lrc.js
deleted file mode 100644
index f265426fa32..00000000000
--- a/msg/js/lrc.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "نٱزٱرتو ناْ اْزاف بٱکؽت";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "ٱرزشت آلشت کو:";
-Blockly.Msg["CLEAN_UP"] = "Clean up Blocks";  // untranslated
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "کوچک کردن برشتؽا";
-Blockly.Msg["COLLAPSE_BLOCK"] = "کوچک کردن برشت";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "رٱنڳ 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "رٱنڳ 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "نسڤٱت";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "شؽڤسٱ";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "هٱر کوم د رٱنڳؽا ناْ ڤا نسڤٱت داٛئٱ بٱ بٱشؽڤن(0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "یاٛ رٱنڳ د رٱنڳدو اْنتخاو بٱکؽت";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "رٱنڳ بٱختٱکی";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "یاٛ ٱنڳ بٱختٱکی اْنتخاو بٱکؽت";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "آوئی";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "سۉز";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "سۏز";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "رٱنڳ ڤا";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Create a colour with the specified amount of red, green, and blue. All values must be between 0 and 100.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "هٱلقٱ ناْ خراو کو";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continue with next iteration of loop";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "هٱلقٱ شومل بیٱ ناْ خراو کو";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warning: This block may only be used within a loop.";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "سی هٱر قلٱم %1 د نومگٱ %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For each item in a list, set the variable '%1' to the item, and then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "شماردن وا %1 د %2 سی %3 ڤا %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Add a condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "هنی";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "هنی ٱر";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ٱر";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "If a value is true, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "ٱنجوم باٛ";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 تکرار کو چٱن بار";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Do some statements several times.";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "تا تکرار کو";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "تا تکرار کو";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "While a value is false, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "While a value is true, then do some statements.";  // untranslated
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Delete all %1 blocks?";  // untranslated
-Blockly.Msg["DELETE_BLOCK"] = "پاکسا کردن برشت";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "پاکسا کردن%1 د برشتؽا";
-Blockly.Msg["DISABLE_BLOCK"] = "ناکشتگر کردن برشت";
-Blockly.Msg["DUPLICATE_BLOCK"] = "کپی کردن";
-Blockly.Msg["DUPLICATE_COMMENT"] = "نٱزٱر تکراری";
-Blockly.Msg["ENABLE_BLOCK"] = "کنشتگر کردن برشت";
-Blockly.Msg["EXPAND_ALL"] = "گٱپ کردن برشتؽا";
-Blockly.Msg["EXPAND_BLOCK"] = "گٱپ کردن برشت";
-Blockly.Msg["EXTERNAL_INPUTS"] = "دادٱیا ڤ دری";
-Blockly.Msg["HELP"] = "هومياری";
-Blockly.Msg["INLINE_INPUTS"] = "دادٱیا مؽنجا";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";  // untranslated
-Blockly.Msg["IOS_ERROR"] = "Error";  // untranslated
-Blockly.Msg["IOS_OK"] = "OK";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "یاٛ نومگٱ هالٛی دۏرس بٱکؽت";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "نومگٱ";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "ٱڤلی";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# تا آخر";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "گرتن";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "گرتن ۉ جا ڤ جا بیئن";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "آخر";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "بٱختٱکی";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "ڤرداشتن";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "سی#";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "سی آخر";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "د نومگٱ";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 هالٛیٱ";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "چی";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "بٱنؽ د";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "غلٱت";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "هٱم غلٱت ۉ هٱم دۏرس ڤرگٱردن";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "راس ۉ دۏرس";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Return true if both inputs equal each other.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "نٱ %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
-Blockly.Msg["LOGIC_NULL"] = "خونسا";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returns null.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_AND"] = "ۉ";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "یا";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "آزماشت کردن";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "ٱر غلٱت بی";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "ٱر دۏرس بی";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "ڤاْ ٱندازٱ دۏ شمارٱ ڤرگٱردن.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "آلشت بٱکؽت %1 وا %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "یٱ ڤا بٱئر بیٱ";
-Blockly.Msg["MATH_IS_EVEN"] = "همیشٱ هؽسش";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "مٱنفی ٱ";
-Blockly.Msg["MATH_IS_ODD"] = "تٱنڳؽا ٱ";
-Blockly.Msg["MATH_IS_POSITIVE"] = "موسبٱتٱ";
-Blockly.Msg["MATH_IS_PRIME"] = "ڤٱ ٱڤلٱ";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "همٱشٱ";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "یاٛ شمارٱ.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "مؽنجاگٱ نومگٱ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "بؽشترونٱ د نومگٱ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "مؽنجا نومگٱ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "کٱمترونٱ د نومگٱ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "بؽشری د نومگٱ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "جٱم کردن نومگٱ";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "گرد کردن";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "ڤ هار گرد کردن";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "ڤ رۉ گرد کردن";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "تموم ۉ کمال";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "چارسوک ریشٱ";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";  // untranslated
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "آلشتگر تازٱ...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "نوم آلشتگر تازٱ:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "نوع آلشتگر تازٱ";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "ڤا:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "ڤا:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "دۏرس کردن%1";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "یاٛ کار ٱنجوم باٛئؽت";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "سی";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "ڤرگٱردنیئن";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "نوم دادٱ:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "دادٱیا";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "د نۊ ٱنجوم داٛئن";
-Blockly.Msg["REMOVE_COMMENT"] = "هٱزف نٱزٱر";
-Blockly.Msg["RENAME_VARIABLE"] = "د نۊ نوم نؽاین آلشتگر...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "د نو نوم نؽاین %1 د تموم آلشتگریا د:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "سی ڤاج کوچک";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "سی هٱرف گٱپ";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "پاٛڤٱسن";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "سی ڤاج# تا آخر";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "سی ڤاج#";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "سی آخری ڤاج";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "د مٱتن";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "د مٱتن %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 هالٛیٱ";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "دۏرس کردن مٱتن ڤا";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "print %1";  // untranslated
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "اؽمرۊ";
-Blockly.Msg["UNDO"] = "ٱنجوم نٱداٛئن";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "قلٱم";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "میزوکاری %1 سی %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/lt.js b/msg/js/lt.js
deleted file mode 100644
index 0b863c0e28d..00000000000
--- a/msg/js/lt.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Palikti komentarą";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Negalima ištrinti kintamojo '%1', nes jis yra dalis funkcijos '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Keisti reikšmę:";
-Blockly.Msg["CLEAN_UP"] = "Išvalyti blokus";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Suskleisti blokus";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Suskleisti bloką";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "1 spalva";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "2 spalva";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "santykis";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "sumaišyk";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Sumaišo dvi spalvas su pateiktu santykiu (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://lt.wikipedia.org/wiki/Spalva";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Pasirinkti spalvą iš paletės.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "atsitiktinė spalva";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Pasirinkti spalvą atsitiktinai.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "mėlyna";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "žalia";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "raudona";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "spalva su";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Spalvą galima sudaryti iš raudonos, žalios ir mėlynos dedamųjų. Kiekvienos intensyvumas nuo 0 iki 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "nutraukti kartojimą";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "šį kartą praleisti likusius veiksmus ir tęsti kartojimą";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Nutraukia (artimiausią) vykstantį kartojimą.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Praleidžia žemiau išvardintus kartojimo veiksmus (ir tęsia darbą nuo kartojimo pradinio veiksmo).";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Atsargiai: šis blokas gali būt naudojamas tik kartojimo bloko viduje.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "kartok su kiekvienu %1 iš sąrašo %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Kartok veiksmus, kol kintamasis \"%1\" paeiliui gauna kiekvieną sąrašo reikšmę.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "kartok, kai %1 kinta nuo %2 iki %3 po %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Imama kintamoji '%1' reikšmė nuo pradinio skaičiaus iki pabaigos skaičiaus, skaičiuojant nustatytais intervalais ir atliekant nustatytus blokus.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Pridėti sąlygą „jei“ blokui.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Pridėti veiksmų vykdymo variantą/\"šaką\", kai netenkinama nė viena sąlyga.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Galite pridėt/pašalinti/pertvarkyti  sąlygų \"šakas\".";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "kitu atveju";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "arba jei";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "jei";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Jeigu sąlyga tenkinama, tai atlik veiksmus.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Jei sąlyga tenkinama, atlikti jai priklausančius veiksmus, o jei ne -- atlikti kitus nurodytus veiksmus.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Jei pirma sąlyga tenkinama, atlikti jai priklausančius veiksmus, O jei ne, tikrinti antrą sąlygą -- ir jei ši tenkinama, atlikti jos veiksmus.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Jei pirma sąlyga tenkinama, atlikti jai priklausančius veiksmus, O jei ne, tikrinti antrą sąlygą -- ir jei ši tenkinama, atlikti jos veiksmus. Kitais atvejais -- atlikti paskutinio bloko veiksmus.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "daryti";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "pakartokite %1 kartus";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Leidžia atlikti išvardintus veiksmus kelis kartus.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "kartok, kol pasieksi";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "kartok kol";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Kartoja veiksmus, kol bus pasiekta nurodyta sąlyga.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Kartoja veiksmus, kol sąlyga tenkinama.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Ištrinti visus %1 blokus?";
-Blockly.Msg["DELETE_BLOCK"] = "Ištrinti bloką";
-Blockly.Msg["DELETE_VARIABLE"] = "Ištrinti „%1“ kintamąjį";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Ištrinti %1 '%2' panaudojimus?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Ištrinti %1 blokus";
-Blockly.Msg["DISABLE_BLOCK"] = "Išjungti bloką";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Kopijuoti";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Dubliuoti Komentarą";
-Blockly.Msg["ENABLE_BLOCK"] = "Įjungti bloką";
-Blockly.Msg["EXPAND_ALL"] = "Išskleisti blokus";
-Blockly.Msg["EXPAND_BLOCK"] = "Išskleisti bloką";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Išdėstyti stulpeliu, kai daug parametrų";
-Blockly.Msg["HELP"] = "Pagalba";
-Blockly.Msg["INLINE_INPUTS"] = "Išdėstyti vienoje eilutėje";
-Blockly.Msg["IOS_CANCEL"] = "Atšaukti";
-Blockly.Msg["IOS_ERROR"] = "Klaida";
-Blockly.Msg["IOS_OK"] = "Gerai";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Pridėti Įvestį";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Ši funkcija turi pasikartojančias įvestis";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ĮVESTYS";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Pridėti";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+Pridėti Kintamąjį";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Ištrinti";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Negalite naudoti tuščio kintamojo pavadinimo.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Pervadinti";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Kintamojo pavadinimas";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "tuščias sąrašas";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Grąžina sąrašą, ilgio 0, neturintį duomenų";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "sąrašas";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Pridėti, pašalinti arba paskirstyti skyrius, kad pertvarkyti šį teksto bloką.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "sukurti sąrašą su";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Pridėti elementą į sąrašą.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Sukurti sąrašą iš bet kokio skaičiaus elementų.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "pirmas";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# nuo galo";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "paimk";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "paimk ir ištrink";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "paskutinis";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "atsitiktinis";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "pašalinti";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Grąžina pirmąjį sąrašo elementą.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Gražina objektą į nurodyta poziciją sąraše.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Grąžina paskutinį elementą iš sąrašo.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Grąžina atsitiktinį elementą iš sąrašo.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Pašalina pirmą objektą sąraše.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Pašalina objektą iš nurodytos vietos sąraše.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Pašalina paskutinį objektą sąraše.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Pašalina atsitiktinį objektą sąraše.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "iki # nuo galo";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "iki #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "iki galo";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "sąrašo dalis nuo pradžios";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "sąrašo dalis nuo # nuo galo";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "sąrašo dalis nuo #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Sukuria nurodytos sąrašo dalies kopiją.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 yra paskutinis objektas.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 yra pirmasis objektas.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "rask pirmą reikšmę";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "rask paskutinę reikšmę";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Grąžina pirmos/paskutinės reikšmės eilės nr. sąraše. Grąžina %1, jei reikšmės neranda.";
-Blockly.Msg["LISTS_INLIST"] = "sąraše";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 yra tuščias";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Grąžina „true“, jeigu sąrašas tuščias.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "ilgis %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Grąžina sąrašo ilgį.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "sukurk sąrašą, kuriame %1 bus %2 kartus";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "kaip";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "įterpk į vietą";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "priskirk elementui";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Įterpia objektą į sąrašo pradžią.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Įterpią objektą į nurodytą poziciją sąraše.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Įterpia objektą į atsitiktinę sąrašo vietą.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "didėjančia tvarka";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "mažėjančia tvarka";
-Blockly.Msg["LISTS_SORT_TITLE"] = "rūšiuoti %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Rūšiuoti sąrašo kopiją.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "abecėlės, ignoruoti raidžių dydį";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "skaitmeninis";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "abėcėlės";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "su dalikliu";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "klaidinga";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Reikšmė gali būti \"teisinga\"/\"Taip\" arba \"klaidinga\"/\"Ne\".";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "tiesa";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Tenkinama, jei abu reiškiniai lygūs.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Grįžti tiesa, jei pirmoji įvestis didesnė nei antroji įvestis.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Grįžti tiesa, jei pirma įvestis didesnė arba lygi antrajai įvesčiai.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Grįžti tiesa, jei pirma įvestis mažesnė nei antra įvestis.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Grįžti tiesa, jei pirma įvestis mažesnė arba lygi antrajai įvesčiai.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Grįžti tiesa, jeigu abi įvestys ne lygios tarpusavyje.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ne %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Grįžti tiesa, jei įvestis klaidinga. Grįžti klaidinga, jei įvestis teisinga.";
-Blockly.Msg["LOGIC_NULL"] = "nieko";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Reikšmė nebuvo nurodyta...";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "ir";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "arba";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Bus teisinga, kai abi sąlygos bus tenkinamos.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Grįžti tiesa, jei bent viena įvestis teisinga.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "sąlyga";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "jei ne";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "jei taip";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Jeigu sąlygą tenkinama, grąžina pirmą reikšmę, o jei ne - antrąją.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Grąžina dviejų skaičių sumą.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Grąžina dviejų skaičių dalmenį.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Grąžina dviejų skaičių skirtumą.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Grąžina dviejų skaičių sandaugą.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Grąžina pirmą skaičių pakeltą laipsniu pagal antrą skaičių.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "padidink %1 (emptypage) %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Prideda skaičių prie kintamojo '%1'. Kai skaičius neigiamas - gaunasi atimtis.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Grįžti viena iš pagrindinių konstantų: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (begalybė).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "apribok %1 tarp %2 ir %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Apriboti skaičių, kad būtų tarp nustatytų ribų (imtinai).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "yra dalus iš";
-Blockly.Msg["MATH_IS_EVEN"] = "yra lyginis";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "yra neigiamas";
-Blockly.Msg["MATH_IS_ODD"] = "yra nelyginis";
-Blockly.Msg["MATH_IS_POSITIVE"] = "yra teigiamas";
-Blockly.Msg["MATH_IS_PRIME"] = "yra pirminis";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Patikrina skaičiaus savybę: (ne)lyginis/pirminis/sveikasis/teigiamas/neigiamas/dalus iš x.";
-Blockly.Msg["MATH_IS_WHOLE"] = "yra sveikasis";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "dalybos liekana %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Grįžti likučiu nuo dviejų skaičių dalybos.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://lt.wikipedia.org/wiki/Skaičius";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Skaičius.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "vidurkis";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "didžiausia reikšmė sąraše";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "mediana sąrašui";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "mažiausia reikšmė sąraše";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "statistinė moda sąrašui";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "atsitiktinis elementas iš sąrašo";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standartinis nuokrypis sąraše";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "suma";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Grįžti vidurkiu (aritmetinis vidurkis) iš skaitinių reikšmių sąraše.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Grįžti didžiausiu skaičiumi sąraše.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Grąžinti sąrašo medianą.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Grįžti mažiausiu skaičiumi sąraše.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Grąžinti sąrašą dažniausių elementų sąraše.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Grąžinti atsitiktinį elementą iš sąrašo.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Grįžti standartine pakraipa iš sąrašo.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "didžiausia reikšmė";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "atsitiktinė trupmena";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Atsitiktinė trupmena nuo 0 (imtinai) iki 1 (neimtinai).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "atsitiktinis sveikas sk. nuo %1 iki %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Grįžti atsitiktinį sveikąjį skaičių tarp dviejų nustatytų ribų, imtinai.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://lt.wikipedia.org/wiki/Apvalinimas";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "apvalink";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "apvalink žemyn";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "apvalink aukštyn";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Suapvalinti skaičių į žemesnę ar aukštesnę reikšmę.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "modulis";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "kvadratinė šaknis";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Skaičiaus modulis - reikšmė be ženklo (panaikina minusą).";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Grąžinti skaičių laipsniu e.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Grąžinti skaičiaus natūrinį logaritmą.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Grįžti 10 pagrindinių logaritmų iš skaičiaus.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Grąžina skaičiui priešingą skaičių.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Grąžinti skaičių laipsniu 10.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Grįžti kvadratinę šaknį iš skaičiaus.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://lt.wikipedia.org/wiki/Trigonometrinės_funkcijos";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Grąžinti skaičiaus arkkosinusą.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Grąžinti skaičiaus arksinusą.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Grąžinti skaičiaus arktangentą.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Grąžinti laipsnio kosinusą (ne radiano).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Grąžinti laipsnio sinusą (ne radiano).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Grąžinti laipsnio tangentą (ne radiano).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Sukurti spalvos kintamąjį...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Sukurti skaičiaus kintamąjį...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Sukurti kintamąjį";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Naujo kintamojo pavadinimas:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Naujas kintamojo tipas:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "leisti vidinius veiksmus";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "pagal:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Vykdyti sukurtą komandą \"%1\".";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Įvykdyti komandą \"%1\" ir naudoti jos suskaičiuotą (atiduotą) reikšmę.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "su:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Sukurti \"%1\"";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Apibūdinkite šią funkciją...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "daryk kažką";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "komanda:";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Sukuria procedūrą - komandą, kuri nepateikia jokio rezultato (tik atlieka veiksmus).";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "duok";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Sukuria funkciją - komandą, kuri ne tik atlieka veiksmus bet ir pateikia (grąžina/duoda) rezultatą.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Ši komanda turi du vienodus gaunamų duomenų pavadinimus.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Jeigu pirma reikšmė yra teisinga (sąlyga tenkinama), grąžina antrą reikšmę.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Perspėjimas: šis blokas gali būti naudojamas tik aprašant funkciją.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "parametro pavadinimas:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Pridėti funkcijos parametrą (gaunamų duomenų pavadinimą).";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "gaunami duomenys (parametrai)";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Tvarkyti komandos gaunamus duomenis (parametrus).";
-Blockly.Msg["REDO"] = "Atkurti";
-Blockly.Msg["REMOVE_COMMENT"] = "Pašalinti komentarą";
-Blockly.Msg["RENAME_VARIABLE"] = "Pervardyti kintamajį...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Pervadinti visus '%1' kintamuosius į:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "prie %1 pridėk tekstą %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Pridėti tekstą prie kintamojo '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = " mažosiom raidėm";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = " Pavadinimo Raidėmis";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = " DIDŽIOSIOM RAIDĖM";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Kitu atvėju, grąžina teksto kopiją.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "gauti pirmą raidę";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "raidė nuo galo #";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "gauti raidę #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "gauti paskutinę raidę";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "gauti atsitiktinę raidę";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Grąžina raidę į tam tikrą poziciją.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "skaičius %1 iš %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Suskaičiuoti, kiek kartų šis tekstas kartojasi kitame tekste.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Pridėti teksto elementą.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "sujunk";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Pridėti, pašalinti arba paskirstyti skyrius, kad pertvarkyti šį teksto bloką.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "iki raidės nuo galo #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "iki raidės #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "iki pabaigos";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "tekste";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "dalis nuo pradžios";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "dalis nuo raidės #";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "dalis nuo raidės #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Grąžina tam tikrą teksto dalį.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "rask,kur pirmą kartą paminėta";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "rask,kur paskutinį kartą paminėta";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "tekste %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Grąžina pirmą/paskutinę pirmo teksto reikšmę antrame tekste. Grąžina %1, jei tekstas nerastas.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 yra tuščias";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Grįžti tiesa, jei numatytas tekstas tuščias.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "sukurti tekstą su";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Sukurti teksto fragmentą sujungiant bet kokį skaičių fragmentų.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "teksto %1 ilgis";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Suranda teksto simbolių kiekį (įskaitant ir tarpus)";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "spausdinti %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Spausdinti nurodytą tekstą, skaičių ar kitą reikšmę.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prašyti vartotoją įvesti skaičių.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prašyti vartotoją įvesti tekstą.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "paprašyk įvesti skaičių :";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "paprašyk įvesti tekstą :";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "pakeisti %1 į %2 šiame %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Pašalinti visas teksto dalis kitame tekste.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "atbulai %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Apversti teksto simbolių tvarką.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Tekstas (arba žodis, ar raidė)";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "išvalyk tarpus šonuose";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "išvalyk tarpus pradžioje";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "išvalyk tarpus pabaigoje";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Grąžina teksto kopiją, pašalinus tarpus iš vieno ar abiejų kraštų.";
-Blockly.Msg["TODAY"] = "Šiandien";
-Blockly.Msg["UNDO"] = "Anuliuoti";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "elementas";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Sukurk \"priskirk %1\"";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "priskirk %1 = %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Sukurti 'kintamasis %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Kintamasis, pavadinimu '%1', jau egzistuoja.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Kintamasis, pavadinimu '%1', jau egzistuoja kaip kitas tipas: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Kažką pasakykite...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/lv.js b/msg/js/lv.js
deleted file mode 100644
index 69bf2bf3b48..00000000000
--- a/msg/js/lv.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Pievienot komentāru";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Mainīt vērtību:";
-Blockly.Msg["CLEAN_UP"] = "Sakopt blokus";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Sakļaut blokus";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Sakļaut bloku";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "1. krāsa";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "2. krāsa";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "attiecība";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "sajaukt";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Sajauc kopā divas krāsas ar doto attiecību (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://lv.wikipedia.org/wiki/Krāsa";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Izvēlēties krāsu no paletes.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "nejauša krāsa";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Izvēlēties krāsu pēc nejaušības principa.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "zila";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "zaļa";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "sarkana";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "veido krāsu no";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Izveidot krāsu ar norādīto daudzumu sarkanā, zaļā un zilā toņu. Visas vērtības ir starp 0 un 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "iet ārā no cikla";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "turpināt ar cikla nākamo iterāciju";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Iet ārā no iekļaujošā cikla";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Nepildīt atlikušo cikla daļu bet sākt nākamo iterāciju.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Brīdinājums: šo bloku drīkst izmantot tikai cikla iekšienē.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "visiem %1 no saraksta %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Katram objektam no saraksta piešķirt mainīgajam '%1' šo objektu un izpildīt komandas.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "skaitīt %1 no %2 līdz %3 ar soli %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Ļauj mainīgajam '%1' pieņemt vērtības no sākuma līdz beigu vērtībai, un izpildīt iekļautos blokus katrai no šīm pieņemtajām vērtībām.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Pievienot nosacījumu \"ja\" blokam.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Pievienot gala nosacījumu \"ja\" blokam.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Pievienot, noņemt vai mainīt sekciju secību šim \"ja\" blokam.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "citādi";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "citādi, ja";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ja";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Ja vērtība ir patiesa, tad izpildīt komandas.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Ja vērtība ir patiesa, tad izpildīt pirmo bloku ar komandām. Citādi izpildīt otro bloku ar komandām.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Ja pirmā vērtība ir patiesa, tad izpildīt pirmo bloku ar komandām. Citādi, ja otrā vērtība ir patiesa, izpildīt otro bloku ar komandām.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Ja pirmā vērtība ir patiesa, tad izpildīt pirmo bloku ar komandām. Citādi, ja otrā vērtība ir patiesa, izpildīt otro bloku ar komandām. Ja neviena no vertībām nav patiesa, tad izpildīt pēdējo bloku ar komandām.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://lv.wikipedia.org/wiki/Cikls";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "izpildi";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "atkārtot %1 reizes";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Izpildīt komandas vairākas reizes.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "atkārtot līdz";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "atkārtot kamēr";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Izpildīt komandas, kamēr vērtība ir nepatiesa.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Izpildīt komandas, kamēr vērtība ir patiesa.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Izdzēst visus %1 blokus?";
-Blockly.Msg["DELETE_BLOCK"] = "Izmest bloku";
-Blockly.Msg["DELETE_VARIABLE"] = "Izdzēst mainīgo \"%1\"";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Mainīgais \"%2\" tiek izmantots %1 vietās. Dzēst?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Izmest %1 blokus";
-Blockly.Msg["DISABLE_BLOCK"] = "Atspējot bloku";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Dublēt";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Iespējot bloku";
-Blockly.Msg["EXPAND_ALL"] = "Izvērst blokus";
-Blockly.Msg["EXPAND_BLOCK"] = "Izvērst bloku";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Ārējie ievaddati";
-Blockly.Msg["HELP"] = "Palīdzība";
-Blockly.Msg["INLINE_INPUTS"] = "Iekšējie ievaddati";
-Blockly.Msg["IOS_CANCEL"] = "Atcelt";
-Blockly.Msg["IOS_ERROR"] = "Kļūda";
-Blockly.Msg["IOS_OK"] = "Labi";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Pievienot";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Pievienot mainīgo";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Dzēst";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Pārsaukt";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Mainīgā nosaukums";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "izveidot tukšu sarakstu";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Izveidot sarakstu bez elementiem tajā.";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "saraksts";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Pievienot, noņemt vai mainīt sekciju secību šim \"saraksta\" blokam.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "izveidot sarakstu no";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Pievienot objektu sarakstam.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Izveidot sarakstu no jebkura skaita vienību.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "pirmo";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "no beigām numur";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "paņemt";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "paņemt uz dzēst";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "pēdējo";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "nejauši izvēlētu";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "dzēst";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Atgriež pirmo saraksta elementu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Atgriež norādīto elementu no saraksta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Atgriež pēdējo saraksta elementu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Atgriež nejauši izvēlētu saraksta elementu";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Atgriež un izdzēš saraksta pirmo elementu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Atgriež un izdzēš no saraksta norādīto elementu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Atgriež un izdzēš saraksta pēdējo elementu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Atgriež un izdzēš no saraksta nejauši izvēlētu elementu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Izdēš pirmo saraksta elementu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Izdēš norādīto elementu no saraksta.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Izdēš pēdējo saraksta elementu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Izdzēš no saraksta nejauši izvēlētu elementu.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "līdz pozīcijai no beigām";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "līdz pozīcijai";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "līdz beigām";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "paņemt apakšsarakstu no sākuma";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "paņemt apakšsarakstu no beigām no pozīcijas";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "paņemt apakšsarakstu no pozīcijas";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Nokopēt daļu no dotā saraksta.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "Saraksta elementu numerācija no beigām sākas no %1";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "Saraksta elementu numerācija sākas no %1";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "atrast pirmo elementu, kas vienāds ar";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "atrast pēdējo elementu, kas vienāds ar";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Atgriež pozīciju sarakstā, kurā atrodas dotais objekts.  Atgriež %1 ja objekts neatrodas sarakstā.";
-Blockly.Msg["LISTS_INLIST"] = "sarakstā";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 ir tukšs";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Patiess, ja saraksts ir tukšs.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1 garums";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Atgriež elementu skaitu srakstā.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "saraksts no %1 atkārtots %2 reizes";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Izveido sarakstu, kas sastāv no dotās vērtības noteiktu reižu skaita.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "kā";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "ievieto";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "aizvieto";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Ievieto elementu saraksta sākumā.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Ievieto sarakstā elementu norādītajā pozīcijā.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Pievieno elementu saraksta beigās.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Ievieto sarakstā jaunu elementu nejauši izvēlētā pozīcijā.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Aizvieto elementu saraksta sākumā.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Aizvieto sarakstā elementu norādītajā pozīcijā.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Aizvieto elementu saraksta beigās.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Aizvieto sarakstā elementu nejauši izvēlētā pozīcijā.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "augošā";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "dilstošā";
-Blockly.Msg["LISTS_SORT_TITLE"] = "Sakārtot sarakstu no %3 elementiem %2 secībā %1";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Saraksta sakārtota kopija.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "pēc alfabēta, ignorēt mazos/lielos burtus";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "skaitliski";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "pēc alfabēta";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "vārdu saraksts no teksta";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "izveidot tekstu no saraksta";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Apvienot tekstu izmantojot atdalītāju.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Sadalīt tekstu vārdos izmantojot atdalītāju.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "ar atdalītāju";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "aplams";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Atgriež rezultātu \"patiess\" vai \"aplams\".";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "patiess";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://lv.wikipedia.org/wiki/Nevien%C4%81d%C4%ABba";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Patiess, ja abas puses ir vienādas.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Patiess, ja kreisā puse ir lielāka par labo pusi.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Patiess, ja kreisā puse ir lielāka vai vienāda ar labo pusi.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Patiess, ja kreisā puse ir mazāka par labo pusi.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Patiess, ja kreisā puse ir mazāka vai vienāda ar labo pusi.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Patiess, ja abas puses nav vienādas.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ne %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Patiess, ja arguments ir aplams.";
-Blockly.Msg["LOGIC_NULL"] = "nekas";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Atgriež neko.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "un";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "vai";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Patiess, ja abas puses ir patiesas.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Patiess, ja vismaz viena puse ir patiesa.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "nosacījums";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "ja aplams";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "ja patiess";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Pārbaudīt nosacījumu. Ja 'nosacījums' ir patiess, atgriež vērtību 'ja patiess', pretējā gadījumā vērtību 'ja aplams'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://lv.wikipedia.org/wiki/Aritm%C4%93tika";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Atgriež divu skaitļu summu.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Atgriež divu skaitļu dalījumu.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Atgriež divu skaitļu starpību.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Atgriež divu skaitļu reizinājumu.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Atgriež pirmo skaitli kāpinātu pakāpē otrais skaitlis.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "izmainīt %1 par %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Pieskaitīt doto skaitli mainīgajam '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Atgriež kādu no matemātikas konstantēm: π (3.141…), e (2.718…), φ (1.618…), √(2) (1.414…), √(½) (0.707…), ∞ (bezgalība).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "ierobežot %1 no %2 līdz %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Ierobežo skaitli no noteiktajās robežās (ieskaitot galapunktus).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "dalās bez atlikuma ar";
-Blockly.Msg["MATH_IS_EVEN"] = "ir pāra";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "ir negatīvs";
-Blockly.Msg["MATH_IS_ODD"] = "ir nepāra";
-Blockly.Msg["MATH_IS_POSITIVE"] = "ir pozitīvs";
-Blockly.Msg["MATH_IS_PRIME"] = "ir pirmskaitlis";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Pārbauda, vai skaitlis ir pāra, nepāra, vesels, pozitīvs, negatīvs vai dalās ar noteiktu skaitli. Atgriež \"patiess\" vai \"aplams\".";
-Blockly.Msg["MATH_IS_WHOLE"] = "ir vesels";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "atlikums no %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Atlikums no divu skaitļu dalījuma.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://lv.wikipedia.org/wiki/Skaitlis";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Skaitlis.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "vidējais";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "lielākais";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "mediāna";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "mazākais";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "moda";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "nejaušs";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standartnovirze";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "summa";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Atgriež dotā saraksta vidējo aritmētisko vērtību.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Atgriež lielāko vērtību no saraksta.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Atgriež dotā saraksta mediānas vērtību.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Atgriež mazāko vērtību no saraksta.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Atgriež dotā saraksta biežāk sastopamās vērtības (modas).";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Atgriež nejauši izvēlētu vērtību no dotā saraksta.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Atgriež dotā saraksta standartnovirzi.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Saskaitīt visus skaitļus no dotā saraksta.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "nejaušs skaitlis [0..1)";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Atgriež nejaušu reālo skaitli robežās no 0 (iekļaujot) līdz 1 (neiekļaujot).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "nejaušs vesels skaitlis no %1 līdz %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Atgriež nejaušu veselu skaitli dotajās robežās (iekļaujot galapunktus)";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "noapaļot";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "apaļot uz leju";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "apaļot uz augšu";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Noapaļot skaitli uz augšu vai uz leju.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://lv.wikipedia.org/wiki/Kvadr%C4%81tsakne";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolūtā vērtība";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "kvadrātsakne";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Atgriež skaitļa absolūto vērtību.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Atgriež e pakāpē dotais skaitlis.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Atgriež skaitļa naturālo logaritmu.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Atgriež skaitļa logaritmu pie bāzes 10.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Atgriež pretējo skaitli.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Atgriež 10 pakāpē dotais skaitlis.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Atgriež skaitļa kvadrātsakni.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://lv.wikipedia.org/wiki/Trigonometrisk%C4%81s_funkcijas";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Arkkosinuss (grādos).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Arksinuss (grādos).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Arktangenss (grādos).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Kosinuss no grādiem (nevis radiāniem).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Sinuss no grādiem (nevis radiāniem).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Tangenss no grādiem (nevis radiāniem).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Izveidot mainīgo...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Jaunā mainīgā vārds:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "atļaut apakškomandas";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "ar:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Izpildīt iepriekš definētu funkcju '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Izpildīt iepriekš definētu funkcju '%1' un izmantot tās rezultātu.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "ar:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Izveidot '%1' izsaukumu";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Funkcijas apraksts...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "darīt kaut ko";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "funkcija";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Izveido funkciju, kas neatgriež rezultātu.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "atgriezt";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Izveido funkciju, kas atgriež rezultātu.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Brīdinājums: funkcijai ir vienādi argumenti.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Izcelt funkcijas definīciju";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Ja pirmā vērtība ir \"patiesa\", tad atgriezt otro vērtību.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Brīdinājums: Šo bloku var izmantot tikai funkcijas definīcijā.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "arguments:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Pievienot funkcijai argumentu.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "argumenti";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Pievienot, pārkārtot vai dzēst funkcijas argumentus.";
-Blockly.Msg["REDO"] = "Atcelt atsaukšanu";
-Blockly.Msg["REMOVE_COMMENT"] = "Noņemt komentāru";
-Blockly.Msg["RENAME_VARIABLE"] = "Pārdēvēt mainīgo...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Pārdēvējiet visus '%1' mainīgos:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "tekstam %1 pievienot tekstu %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Pievienot tekstu mainīgajam '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "kā mazie burti";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "kā Nosaukuma Burti";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "kā LIELIE BURTI";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Atgriež teksta kopiju ar mainītiem lielajiem/mazajiem burtiem.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "paņemt pirmo burtu";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "paņemt no beigām burtu #";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "paņemt burtu #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "paņemt pēdējo burtu";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "paņemt nejaušu burtu";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Atgriež burtu dotajā pozīcijā.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Pievienot tekstam objektu.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "savienot";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Pievienot, noņemt vai mainīt sekciju secību šim \"teksta\" blokam.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "līdz burtam nr (no beigām)";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "līdz burtam nr";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "līdz pēdējam burtam";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "no teksta";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "paņemt apakšvirkni no sākuma";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "paņemt apakšvirkni no beigām sākot ar burta nr";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "paņemt apakšvirkni sākot no burta nr";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Atgriež norādīto teksta daļu.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "meklēt pirmo vietu, kur sākas teksts";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "meklēt pēdējo vietu, kur sākas teksts";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "tekstā %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Meklē pirmā teksta rindu otrajā tekstā.  Atgriež pozīciju otrajā tekstā, kurā sākas pirmais teksts. Atgriež %1 ja pirmā teksta rinda nav atrasta.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 ir tukšs";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Patiess, ja teksts ir tukšs.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "veidot tekstu no";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Izveidot tekstu savienojot dotos argumentus.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "garums tekstam %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Atgriež burtu skaitu (ieskaitot atstarpes) dotajā tekstā.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "parādīt %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Parādīt norādīto tekstu vai skaitli.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Palūgt lietotāju ievadīt skaitli.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Palūgt lietotāju ievadīt tekstu.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "palūgt ievadīt skaitli ar ziņu";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "palūgt ievadīt tekstu ar ziņu";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Burts, vārds vai jebkāda teksta rinda.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "Dzēst atstarpes no abām pusēm";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "Dzēst atstarpes no sākuma";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "Dzēst atstarpes no beigām";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Atgriež teksta kopiju ar noņemtām atstarpēm vienā vai otrā galā.";
-Blockly.Msg["TODAY"] = "Šodiena";
-Blockly.Msg["UNDO"] = "Atsaukt";
-Blockly.Msg["UNNAMED_KEY"] = "nenosaukts";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "vienums";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Izveidot piešķiršanu mainīgajam %1";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Atgriež mainīgā vērtību.";
-Blockly.Msg["VARIABLES_SET"] = "piešķirt mainīgajam %1 vērtību %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Izveidot 'ņem %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Piešķirt mainīgajam vērtību.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Mainīgais '%1' jau eksistē.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/mk.js b/msg/js/mk.js
deleted file mode 100644
index 51c54df2fbb..00000000000
--- a/msg/js/mk.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Додај коментар:";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Променливата '%1' не може се избрише бидејќи е дел од определението на функцијата '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Смена на вредност:";
-Blockly.Msg["CLEAN_UP"] = "Исчисти блокови";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Собери блокови";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Собери блок";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "боја 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "боја 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "сооднос";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "смешај";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Меша две бои во даден сооднос (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://mk.wikipedia.org/wiki/Боја";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Изберете боја од палетата.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "случајна боја";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Избери боја на тепка.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "сина";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "зелена";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "црвена";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "боја со";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Создајте боја со укажаните износи на црвена, зелена и сина. Сите вредности мора да бидат помеѓу 0 и 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "излези од јамката";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "продолжи со следното повторување на јамката";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Излези од содржечката јамка.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warning: This block may only be used within a loop.";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "за секој елемент %1 на списокот %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Му ја задава променливата „%1“ на секој елемент на списокот, а потоа исполнува наредби.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "број со %1 од %2 до %3 со %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Променливата „%1“ да ги земе вредностите од почетниот до завршниот број, броејќи според укажаниот интервал и ги исполнува укажаните блокови.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Додај услов кон „ако“ блокот.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Додава, отстранува или прередува делови за прераспоредување на овој блок „ако“.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "инаку";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "инаку ако";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ако";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Ако вредноста е вистинита, исполни некои наредби.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://mk.wikipedia.org/wiki/For-јамка";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "исполни";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "повтори %1 пати";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Исполнува наредби неколку пати.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "повторувај сè до";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "повторувај додека";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Додека вредноста е невистинита, исполнува наредби.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Додека вредноста е вистинита, исполнува наредби.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Да ги избришам сите %1 блокчиња?";
-Blockly.Msg["DELETE_BLOCK"] = "Избриши блок";
-Blockly.Msg["DELETE_VARIABLE"] = "Избриши ја променливата \"%1\"";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "Избриши %1 блока";
-Blockly.Msg["DISABLE_BLOCK"] = "Исклучи блок";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Ископирај";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Дуплирај коментар";
-Blockly.Msg["ENABLE_BLOCK"] = "Вклучи блок";
-Blockly.Msg["EXPAND_ALL"] = "Рашири блокови";
-Blockly.Msg["EXPAND_BLOCK"] = "Рашири го блокови";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Надворешен внос";
-Blockly.Msg["HELP"] = "Помош";
-Blockly.Msg["INLINE_INPUTS"] = "Внатрешен внос";
-Blockly.Msg["IOS_CANCEL"] = "Откажи";
-Blockly.Msg["IOS_ERROR"] = "Грешка";
-Blockly.Msg["IOS_OK"] = "ОК";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Додај влез";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Дозволи тврдења";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Додај";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Додај променлива";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Избриши";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Не можете да искористите празно име за променлива.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Преименувај";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Име на променливата";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "создај празен список";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "список";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Додај, отстрани или пререди ги деловите за прераспоредување на овој блок „список“.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "создај список со";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Додај ставка кон списокот.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "прв";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# од крајот";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "get";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "последен";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "случаен";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "отстрани";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "во списокот";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 е празен";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "должина на %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "како";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "вметни на";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "задај";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "подреди %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "невистина";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Дава или вистина или невистина.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "вистина";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://mk.wikipedia.org/wiki/Неравенство";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Дава вистина ако обата вноса се еднакви.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Дава вистина ако првиот внос е поголем од вториот.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Дава вистина ако првиот внос е поголем или еднаков на вториот.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Дава вистина ако првиот внос е помал од вториот.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Дава вистина ако првиот внос е помал или еднаков на  вториот.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Дава вистина ако обата вноса не се еднакви.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "не %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Дава вистина ако вносот е невистинит. Дава невистина ако вносот е вистинит.";
-Blockly.Msg["LOGIC_NULL"] = "ништо";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Дава ништо.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "и";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "или";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Дава вистина ако обата вноса се вистинити.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Дава вистина ако барем еден од вносовите е вистинит.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "испробај";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "ако е невистинито";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "ако е вистинито";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://mk.wikipedia.org/wiki/Аритметика";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Return the sum of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter?uselang=mk";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "повиши %1 за %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Ѝ додава број на променливата „%1“.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://mk.wikipedia.org/wiki/Математичка_константа";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Дава една од вообичаените константи: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), или ∞ (бесконечност).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "е делив со";
-Blockly.Msg["MATH_IS_EVEN"] = "е парен";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "е негативен";
-Blockly.Msg["MATH_IS_ODD"] = "е непарен";
-Blockly.Msg["MATH_IS_POSITIVE"] = "е позитивен";
-Blockly.Msg["MATH_IS_PRIME"] = "е прост";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Проверува дали бројот е парен, непарен, прост, цел, позитивен, негативен или делив со некој број. Дава вистина или невистина.";
-Blockly.Msg["MATH_IS_WHOLE"] = "е цел";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://mk.wikipedia.org/wiki/Број";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Број.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "просек на списокот";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "најголем на списокот";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "медијана на списокот";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "најмал на списокот";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "модул на списокот";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "случајна ставка од списокот";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "збир од списокот";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Дава просек (аритметичка средина) од броевите на списокот.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Го дава најголемиот број на списокот.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Дава медијана од броевите на списокот.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Го дава најмалиот број на списокот.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Дава список на најзастапен(и) елемент(и) на списокот.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Дава збир од сите броеви на списокот.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://mk.wikipedia.org/wiki/Заокружување";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "заокружи";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "заокружи на помало";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "заокружи на поголемо";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Го заокружува бројот на поголем или помал.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "апсолутна";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "корен квадратен";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Ја дава апсолутната вредност на број.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Дава корен квадратен од број.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://mk.wikipediа.org/wiki/Тригонометриски_функции";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Создај променлива на низа...";
-Blockly.Msg["NEW_VARIABLE"] = "Создај променлива...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Назив на новата променлива:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Тип на новата променлива:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "дозволи тврдења";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "со:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://mk.wikipedia.org/wiki/Потпрограма";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "со:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Создај го '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Опишете ја оваа функција...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "направиш";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "за да";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "назад";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Додај, отстрани или пренареди ги влезните параметри за оваа функција.";
-Blockly.Msg["REDO"] = "Повтори";
-Blockly.Msg["REMOVE_COMMENT"] = "Отстрани коментар";
-Blockly.Msg["RENAME_VARIABLE"] = "Преименувај променлива...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Преименувај ги сите променливи „%1“ во:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "во текст %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "пресметка на %1 во %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Додај ставка кон текстот.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "поврзи";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Додај, отстрани или пререди ги деловите за прераспоредување на овој блок „текст“.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "во текстот";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "во текст %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 е празен";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "создај текст со";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "должина на %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "print %1";  // untranslated
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "замени го %1 со %2 во %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "Денес";
-Blockly.Msg["UNDO"] = "Откажи";
-Blockly.Msg["UNNAMED_KEY"] = "без име";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "елемент";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Создај „задавање на %1“";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "задај %1 на %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Променлива со име '%1' веќе постои.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Променлива со име '%1' веќе постои за друг тип: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Работен простор на Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/mnw.js b/msg/js/mnw.js
deleted file mode 100644
index 6c7f5927e86..00000000000
--- a/msg/js/mnw.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "စုတ် လညာတ်";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "မပြံင်လှာဲ '%1' ဂှ် ဇိုတ်ပလီု ဟွံဂွံ၊ ဟိုတ်နူ ဍေဟ်ဂှ် ဆက်စပ်ဒၟံင် ကုဝှင်ရှေန် '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "သၠာဲ ဍာ်ဒကေဝ်";
-Blockly.Msg["CLEAN_UP"] = "ဖအး ဗလံက်";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "ဖဍိုန်ဖ္ဍောတ် ဗလံက်ဂမၠိုင်";
-Blockly.Msg["COLLAPSE_BLOCK"] = "ဖဍိုန်ဖ္ဍောတ် ဗလံက်";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "အသာ် ၁";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "အသာ် ၂";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "ဗၞတ်ဗ္ၜတ်";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "ပနှဴ";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "ပနှဴ အသာ် ၜါ နကဵု ဗၞတ်ဗ္ၜတ် (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "ရုဲကေတ် အသာ် မွဲ နူကဵု ဖလာတ်";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "ဇျောမ်ကေတ် အသာ်";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "ရုဲစှ်ကေတ် အသာ် မွဲ ပ္ဍဲ ဇဟောမ်";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "သာ်ဍီု";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "သာ်ၚေက်";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "ဗကေတ်";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "နကဵု အသာ်";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "ခၞံကၠောန်ကေတ် အသာ်တၟေင် အကြာ ဗကေတ်၊ သာ်ၚေက်၊ သာ်ဍီု၊၊ ဍာ်ဒကေဝ် သီုဖအိုတ် သ္ဒးဒှ် အကြာ ၀ ကဵု ၁၀၀၊၊";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "ကၟာတ်ထောအ် loop";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "ဆက်ကၠောန် နကဵု ပရေင်ချဳဒရာင်ဗွဲအပ္ဍဲ loop";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Break out of the containing loop.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warning: This block may only be used within a loop.";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "သွက်ဇၟာပ် ဒကုတ် %1 ပ္ဍဲ စရင် %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "သွက်ဇၟာပ် ဒကုတ် ပ္ဍဲစရင်မွဲ မစုတ်လဝ် ပရေင်ပြံင်လှာဲ %1 သွက် ဒကုတ်၊ တုဲမ္ဂး ကၠောန်ပ တင်ဂရင်ဗ္တီ၊၊";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "ရိုဟ်လၟိဟ် %1 နူ %2 စဵုကဵု %3 နကဵု %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "ကလိဂွံ ပရေင်အပြံင်အလှာဲ '%1'ဏအ် ကေတ် ဍာ်ဒကေဝ် နူကဵု လၟိဟ်ဂၞန်စ စဵုကဵု လၟိဟ်ဂၞန်အိုတ်၊ မရိုဟ်လၟိဟ် နကဵုဗၞတ်ဗ္ၜတ် ဗွဲတၟေင် တုဲ ကၠောန်ပ ဗလံက် ဗွဲတၟေင်၊၊";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Add a condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "ထပ်, ပတိတ်, ဟွံသေၚ် ကလေၚ်ဖျေံလၟေၚ် ရုဲစှ် သွက်ဂွံကလေၚ်ထမံက်ဣဏံ ယဝ်ရကၟာတ်မ္ဂး";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "မုနွံ";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "ယဝ်နွံမံၚ်ဏီ";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ယဝ်ရ";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "If a value is true, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "ပ";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "ထပ်ဂလိုင်ပတိုန် %1 နာဍဳ";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "ကၠောန်ပတိတ် လလောင်တြး မဂၠိုင် ကုအလန်၊၊";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ထပ်ဂလိုင်ပတိုန် စဵုကဵု";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ထပ်ဂလိုင်ပတိုန် အခိင်";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "ဍာ်ဒကေဝ် ဍေဟ် ဗၠေတ်၊ တုဲ ကၠောန်ပ လိက်ဂရင်ဗတီ၊၊";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "ဍာ်ဒကေတ် ဍေဟ် ဒး၊ တုဲ ကၠောန်ပ လိက်ဂရင်ဗတီ၊၊";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "ဇိုတ်ပလီု %1 ဗလံက် သီုဖအိုတ်ဟာ?";
-Blockly.Msg["DELETE_BLOCK"] = "ဇိုတ်ပလီု ဗလံက်";
-Blockly.Msg["DELETE_VARIABLE"] = "ဇိုတ်ပလီု အပြံင်အလှာဲ '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "ဇိုတ်ပလီု %1 တုဲ ရပ်စပ် '%2' နဒဒှ်မပြံင်လှာဲဟာ?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "ဇိုတ်ပလီု %1 ဗလံက်ဂမၠိုင်";
-Blockly.Msg["DISABLE_BLOCK"] = "ပဟွံသၟဟ်အစောံ ဗလံက်";
-Blockly.Msg["DUPLICATE_BLOCK"] = "ချာဲ";
-Blockly.Msg["DUPLICATE_COMMENT"] = "ချာဲ လညာတ်";
-Blockly.Msg["ENABLE_BLOCK"] = "ပသၟဟ်အစောံ ဗလံက်";
-Blockly.Msg["EXPAND_ALL"] = "ဗဇာပတိုန် ဗလံက်ဂမၠိုင်";
-Blockly.Msg["EXPAND_BLOCK"] = "ဗဇာပတိုန် ဗလံက်";
-Blockly.Msg["EXTERNAL_INPUTS"] = "မစုတ် ဗွဲမ္ၚး";
-Blockly.Msg["HELP"] = "ရီု";
-Blockly.Msg["INLINE_INPUTS"] = "မစုတ် ဗွဲအပ္ဍဲ";
-Blockly.Msg["IOS_CANCEL"] = "တးပဲါ";
-Blockly.Msg["IOS_ERROR"] = "ဗၠေတ်";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ စုတ် Input";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "ကဵုအခေါင် လိက်လလောင်တရးဂမၠိုင်";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "စုတ်";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ ထပ် ကိုန်ချဳ";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "ပလီု";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "မၞးသုၚ်စောဲကေတ် ယၟုကိုန်ချဳမမုဟွံမွဲ";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "ကဵုယၟုတၟိ";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "ယၟု ကိုန်ချဳ";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "list";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "first";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# from end";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "get";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "last";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "random";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "in list";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "as";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insert at";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ဗၠေတ်";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "ကလေၚ် ဍာံလေဝ်ဟွံသေၚ် ဗၠောတ်လေဝ်ဟွံသေၚ်";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "ဍာံ";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/ဟွံညဳသၟဟ်_(သၚ်္ချာဂမၠိုၚ်)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Return true if both inputs equal each other.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ဟွံသေၚ် %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "ကလေၚ်မဍာံတေံ ယဝ်ရတၚ်စုတ်ဏံဗၠေတ်မ္ဂး. ကလေၚ်မဗၠောတ်တေံ ယဝ်ရတၚ်စုတ်ဏံဒးမ္ဂး";
-Blockly.Msg["LOGIC_NULL"] = "ကၠိခန်";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "ကလေၚ်ဟွံလုပ်အဝေါၚ်";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "ကေုာံ";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ဟွံသေင်မ္ဂး";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "စမ်ၜတ်";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "ယဝ်ဗၠေတ်";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "ယဝ်ဍာံ";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Return the sum of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "change %1 by %2";  // untranslated
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "is divisible by";  // untranslated
-Blockly.Msg["MATH_IS_EVEN"] = "is even";  // untranslated
-Blockly.Msg["MATH_IS_NEGATIVE"] = "is negative";  // untranslated
-Blockly.Msg["MATH_IS_ODD"] = "is odd";  // untranslated
-Blockly.Msg["MATH_IS_POSITIVE"] = "is positive";  // untranslated
-Blockly.Msg["MATH_IS_PRIME"] = "is prime";  // untranslated
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "is whole";  // untranslated
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "မဂၞန်မွဲ";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "average of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "max of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "min of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "sum of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "round";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "round down";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "round up";  // untranslated
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "ဍာံဍာံ";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "square root";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";  // untranslated
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";  // untranslated
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "အဃောမပြံင်လှာဲ ကၠောန်ဒၟံင် အသာ်...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "အဃောမပြံင်လှာဲ ကၠောန်ဒၟံင် လၟိဟ်ဂၞန်...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "အဃောမပြံင်လှာဲကၠောန်ဒၟံင် လၟေင်...";
-Blockly.Msg["NEW_VARIABLE"] = "အဃောမပြံင်လှာဲဒၟံင်...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "ယၟု မပြံင်လှာဲလဝ် တၟိ -";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "ဗီုပြင် မပြံင်လှာဲလဝ် တၟိ -";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "do something";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "to";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "return";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "ကလေင်ပ";
-Blockly.Msg["REMOVE_COMMENT"] = "ပဲါပ္တိတ် လညာတ်";
-Blockly.Msg["RENAME_VARIABLE"] = "ကလေင်ကဵုယၟု မပြံင်လှာဲ...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "'%1' သီုဖအိုတ်ဂှ် ကဵုယၟုတၟိ ပြံင်လှာဲထောအ်:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "join";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "print %1";  // untranslated
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "တ္ၚဲဏအ်";
-Blockly.Msg["UNDO"] = "ဟွံပ";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "ဒကုတ်";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "ယၟုမပြံင်လှာဲ '%1' ဂှ် နွံဒၟံင်တုဲရ၊၊";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "ယၟုမပြံင်လှာဲ '%1' ဂှ် နွံဒၟံင်တုဲရ နကဵုဗီုပြင်တၞဟ် - '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/ms.js b/msg/js/ms.js
deleted file mode 100644
index 38b8354567f..00000000000
--- a/msg/js/ms.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Berikan Komen";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Ubah nilai:";
-Blockly.Msg["CLEAN_UP"] = "Kemaskan Blok";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Lipat Blok²";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Lipat Blok";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "warna 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "warna 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "nisbah";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "adun";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Campurkan dua warna sekali pada nisbah yang ditentukan (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://ms.wikipedia.org/wiki/Warna";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Pilih satu warna daripada palet.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "warna rawak";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Pilih satu warna secara rawak.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "biru";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "hijau";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "merah";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "warnakan";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Peroleh satu warna dengan menentukan amaun campuran merah, hijau dan biru. Kesemua nilai haruslah antara 0 hingga 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "hentikan gelung";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "teruskan dengan lelaran gelung seterusnya";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Keluar dari gelung pengandung.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Langkau seluruh gelung yang tinggal dan bersambung dengan lelaran seterusnya.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Amaran: Blok ini hanya boleh digunakan dalam satu gelung.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "untuk setiap perkara %1 dalam senarai %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Untuk setiap perkara dalam senarai, tetapkan pembolehubah '%1' pada perkara, kemudian lakukan beberapa perintah.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "kira dengan %1 dari %2 hingga %3 selang %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Gunakan pembolehubah '%1' pada nilai-nilai dari nombor pangkal hingga nombor hujung, mengira mengikut selang yang ditentukan, dan lakukan blok-blok yang tertentu.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Tambah satu syarat kepada blok jika.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Tambah yang terakhir, alihkan semua keadaan ke blok jika.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Tambah, alih keluar, atau susun semula bahagian-bahagian untuk menyusun semula blok jika.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "lain";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "lain jika";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "jika";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Jika nilai yang benar, lakukan beberapa penyata.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Jika suatu nilai benar, lakukan penyata blok pertama.  Jika tidak, bina penyata blok kedua.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Jika nilai yang pertama adalah benar, lakukan penyata pertama blok.  Sebaliknya, jika nilai kedua adalah benar, lakukan penyata blok kedua.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Jika nilai yang pertama adalah benar, lakukan penyata blok pertama.  Sebaliknya, jika nilai kedua adalah benar, lakukan penyata blok kedua.  Jika tiada nilai adalah benar, lakukan penyata blok terakhir.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "lakukan";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "ulang %1 kali";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Lakukan perintah berulang kali.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ulangi sehingga";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ulangi apabila";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Lakukan beberapa perintah apabila nilainya palsu (false).";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Lakukan beberapa perintah apabila nilainya benar (true).";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Hapuskan kesemua %1 blok?";
-Blockly.Msg["DELETE_BLOCK"] = "Hapuskan Blok";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "Hapuskan %1 Blok";
-Blockly.Msg["DISABLE_BLOCK"] = "Matikan Blok";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Pendua";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Hidupkan Blok";
-Blockly.Msg["EXPAND_ALL"] = "Buka Blok²";
-Blockly.Msg["EXPAND_BLOCK"] = "Buka Blok";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Input Luaran";
-Blockly.Msg["HELP"] = "Bantuan";
-Blockly.Msg["INLINE_INPUTS"] = "Input Sebaris";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";  // untranslated
-Blockly.Msg["IOS_ERROR"] = "Error";  // untranslated
-Blockly.Msg["IOS_OK"] = "OK";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "Wujudkan senarai kosong";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Kembalikan senarai panjang 0, yang tidak mengandungi rekod data";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "senarai";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Tambah, alih keluar, atau susun semula bahagian-bahagian untuk menyusun semula senarai blok.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "wujudkan senarai dengan";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Tambah item ke dalam senarai.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Wujudkan senarai dengan apa jua nombor item.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "pertama";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# dari akhir";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "dapatkan";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "dapat dan alihkan";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "terakhir";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "rawak";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "alihkan";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Kembalikan item pertama dalam senarai.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Kembalikan item dalam kedudukan yang ditetapkan dalam senarai.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Kembalikan item pertama dalam senarai.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Kembalikan item rawak dalam senarai.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Alihkan dan kembalikan item pertama dalam senarai.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Alihkan dan kembalikan item mengikut spesifikasi posisi dalam senarai.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Alihkan dan kembalikan item terakhir dalam senarai.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Alihkan dan kembalikan item rawak dalam senarai.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Alihkan item pertama dalam senarai.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Alihkan item pada posisi mengikut spesifikasi dalam senarai.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Alihkan item terakhir dalam senarai.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Alihkan item rawak dalam senarai.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "ke  # dari akhir";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "ke #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "ke akhir";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "dapatkan sub-senarai daripada pertama";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "dapatkan sub-senarai daripada # daripada terakhir";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "dapatkan sub-senarai daripada #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Wujudkan salinan bahagian yang ditentukan dari senarai.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 ialah item terakhir.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 ialah item pertama.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "cari pertama item kejadian";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "cari kejadian akhir item";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Menyatakan indeks kejadian pertama/terakhir item berkenaan dalam senarai. Menyatakan %1 jika item berkenaan tidak ditemui.";
-Blockly.Msg["LISTS_INLIST"] = "dalam senarai";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 adalah kosong";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Kembalikan benar jika senarai kosong.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "panjang %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Kembalikan panjang senarai";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "wujudkan senarai dengan item %1 diulangi %2 kali";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Wujudkan senarai yang terdiri daripada nilai berulang mengikut nombor yang ditentukan.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "sebagai";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "masukkan pada";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Selit item pada permulaan senarai.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Masukkan item pada posisi yand ditentukan dalam senarai.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Tambahkan item dalam senarai akhir.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Selit item secara rawak di dalam senarai.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Set item pertama dalam senarai.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Masukkan item pada posisi yang ditentukan dalam senarai.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Set item terakhir dalam senarai.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Set item rawak dalam senarai.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "buat senarai dgn teks";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "buat teks drpd senarai";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Cantumkan senarai teks menjadi satu teks, dipecahkan oleh delimiter.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Pecahkan teks kepada senarai teks, berpecah di setiap delimiter.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "dengan delimiter";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "palsu";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Kembalikan samada benar atau palsu.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "benar";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://id.wikipedia.org/wiki/Pertidaksamaan";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Kembali benar jika kedua-dua input benar antara satu sama lain.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Kembali benar jika input pertama adalah lebih besar daripada input kedua.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Kembali benar jika input pertama adalah lebih besar daripada atau sama dengan input kedua.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Kembali benar jika input pertama adalah lebih kecil daripada input kedua.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Kembali benar jika input pertama adalah lebih kecil daripada atau sama dengan input kedua.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Taip balik benar jika kedua-dua input tidak sama.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "bukan %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "'Benar' akan dibalas jika inputnya salah. 'Salah' akan dibalas jika inputnya benar.";
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returns null.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "dan";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "atau";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "Jika palsu";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "Jika benar";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://ms.wikipedia.org/wiki/Aritmetik";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Kembalikan jumlah kedua-dua bilangan.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Taip balik hasil bahagi dua nombor tersebut.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Taip balik hasil tolak dua nombor tersebut.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Taip balik hasil darab dua nombor tersebut.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://id.wikipedia.org/wiki/Perjumlahan";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "perubahan %1 oleh %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Tambah nombor kepada pembolehubah '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://ms.wikipedia.org/wiki/Pemalar_matematik";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "Boleh dibahagikan dengan";
-Blockly.Msg["MATH_IS_EVEN"] = "Adalah genap";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "negatif";
-Blockly.Msg["MATH_IS_ODD"] = "aneh";
-Blockly.Msg["MATH_IS_POSITIVE"] = "adalah positif";
-Blockly.Msg["MATH_IS_PRIME"] = "is prime";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number.  Returns true or false.";
-Blockly.Msg["MATH_IS_WHOLE"] = "is whole";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://id.wikipedia.org/wiki/Operasi_modulus";
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Taip balik baki yang didapat daripada pembahagian dua nombor tersebut.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://ms.wikipedia.org/wiki/Nombor";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Suatu nombor.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "purata daripada senarai";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "Max senarai";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "Median senarai";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "min dalam senarai";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "jenis senarai";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "Item rawak daripada senarai";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "sisihan piawai bagi senarai";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "Jumlah senarai";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Kembalikan purata (min aritmetik) nilai-nilai angka di dalam senarai.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Pulangkan jumlah terbesar dalam senarai.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Kembalikan nombor median dalam senarai.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Kembalikan nombor terkecil dalam senarai.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Kembali senarai item yang paling biasa dalam senarai.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Kembalikan elemen rawak daripada senarai.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Kembali dengan sisihan piawai daripada senarai.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Kembalikan jumlah semua nombor dalam senarai.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "pecahan rawak";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Kembali sebahagian kecil rawak antara 0.0 (inklusif) dan 1.0 (eksklusif).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "integer rawak dari %1ke %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Kembalikan integer rawak diantara dua had yang ditentukan, inklusif.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "pusingan";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "Pusingan ke bawah";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "pusingan ke atas";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Bulat nombor yang naik atau turun.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://ms.wikipedia.org/wiki/Punca_kuasa_dua";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "mutlak";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "Punca kuasa dua";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Kembalikan nilai mutlak suatu nombor.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Kembalikan e kepada kuasa nombor.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Kembali dalam logaritma nombor asli.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Kembali logarithm 10 asas nombor.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Kembalikan nombor yang songsang.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Kembalikan 10 kepada kuasa nombor.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Kembalikan punca kuasa nombor.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://ms.wikipedia.org/wiki/Fungsi_trigonometri";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Kembali arccosine beberapa nombor.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Kembalikan arcsince beberapa nombor.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Kembalikan beberapa nombor arctangent.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Kembalikan darjah kosinus (bukan radian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Kembalikan darjah sine (bukan radian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Kembalikan darjah tangen (bukan radian).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Pembolehubah baru...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nama pembolehubah baru:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "bolehkan kenyataan";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "dengan:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://ms.wikipedia.org/wiki/Fungsi";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://ms.wikipedia.org/wiki/Fungsi";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "dengan:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Hasilkan '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Terangkan fungsi ini...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "Buat sesuatu";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "Untuk";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Menghasilkan suatu fungsi tanpa output.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "kembali";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Mencipta satu fungsi dengan pengeluaran.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Amaran: Fungsi ini mempunyai parameter yang berganda.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Serlahkan definisi fungsi";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Amaran: Blok ini hanya boleh digunakan dalam fungsi definisi.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "Nama input:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Tambah satu input pada fungsi.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "Input-input";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Tambah, alih keluar atau susun semula input pada fungsi ini.";
-Blockly.Msg["REDO"] = "Redo";  // untranslated
-Blockly.Msg["REMOVE_COMMENT"] = "Padamkan Komen";
-Blockly.Msg["RENAME_VARIABLE"] = "Tukar nama pembolehubah...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Tukar nama semua pembolehubah '%1' kepada:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "Kepada huruf kecil";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "Kepada HURUF BESAR";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "Dapatkan abjad terakhir";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "Dapatkan abjad rawak";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "Sertai";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "untuk huruf terakhir";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "dalam teks";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "mencari kejadian pertama teks";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "mencari kejadian terakhir teks";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "dalam teks %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Kembalikan Indeks kejadian pertama/terakhir dari teks pertama ke dalam teks kedua.  Kembalikan %1 Jika teks tidak ditemui.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 adalah kosong";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Kembalikan benar jika teks yang disediakan adalah kosong.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "hasilkan teks dengan";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Hasilkan sebahagian teks dengan menghubungkan apa jua nombor item.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "panjang %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Kembalikan jumlah huruf (termasuk ruang) dalam teks yang disediakan.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "cetak %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Cetak teks yang ditentukan, nombor atau nilai lain.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Peringatan kepada pengguna untuk nombor.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Peringatkan pengguna untuk sebahagian teks.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "Prom untuk nombor dengan mesej";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "Prom untuk teks dengan mesej";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://ms.wikipedia.org/wiki/Rentetan";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Huruf, perkataan, atau baris teks.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "mengurangkan kawasan dari kedua-dua belah";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "mengurangkan ruang dari sebelah kiri";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "mengurangkan kawasan dari sisi kanan";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Kembali salinan teks dengan ruang yang dikeluarkan daripada satu atau hujung kedua belah.";
-Blockly.Msg["TODAY"] = "Hari ini";
-Blockly.Msg["UNDO"] = "Undo";  // untranslated
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "Perkara";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Hasilkan 'set %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Kembalikan nilai pemboleh ubah ini.";
-Blockly.Msg["VARIABLES_SET"] = "set %1 ke %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Hasilkan 'set %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Set pembolehubah ini supaya sama dengan input.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/nb.js b/msg/js/nb.js
deleted file mode 100644
index 8d74e63766a..00000000000
--- a/msg/js/nb.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Legg til kommentar";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Kan ikke slette variabelen «%1» fordi den er del av definisjonen for funksjonen «%2»";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Bytt verdi:";
-Blockly.Msg["CLEAN_UP"] = "Rydd opp Blocks";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Skjul blokker";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Skjul blokk";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "farge 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "farge 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "forhold";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "blande";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Blander to farger sammen med et gitt forhold (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Velg en farge fra paletten.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "tilfeldig farge";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Velg en tilfeldig farge.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blå";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "grønn";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "rød";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "farge med";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Lag en farge med angitt verdi av rød, grønn og blå. Alle verdier må være mellom 0 og 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "bryt ut av løkken";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "fortsett med neste gjentakelse av løkken";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Bryt ut av den gjeldende løkken.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Hopp over resten av denne løkken og fortsett med neste gjentakelse.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Advarsel: Denne blokken kan kun brukes innenfor en løkke.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "for hvert element %1 i listen %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For hvert element i en liste, angi variabelen '%1' til elementet, og deretter lag noen setninger.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "tell med %1 fra %2 til %3 med %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Ha variabel \"%1\" ta verdiene fra start nummer til slutt nummer, telle med spesifisert intervall og lag de spesifiserte blokkene.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Legg til en betingelse til hvis blokken.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Legg til hva som skal skje hvis de andre ikke slår til.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Legg til, fjern eller flytt seksjoner i denne hvis-blokken.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "ellers";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "ellers hvis";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "hvis";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Hvis dette er sant, så gjør følgende.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Hvis dette er sant, så utfør den første blokken av instruksjoner. Hvis ikke, utfør den andre blokken.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Hvis det første stemmer, så utfør den første blokken av instruksjoner. Ellers, hvis det andre stemmer, utfør den andre blokken av instruksjoner.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Hvis den første verdien er sann, så utfør den første blokken med setninger. Ellers, hvis den andre verdien er sann, så utfør den andre blokken med setninger. Hvis ingen av verdiene er sanne, så utfør den siste blokken med setninger.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "gjør";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "gjenta %1 ganger";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Gjenta noen instruksjoner flere ganger.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "gjenta til";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "gjenta mens";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Så lenge et utsagn ikke stemmer, gjør noen instruksjoner.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Så lenge et utsagn stemmer, utfør noen instruksjoner.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Slett alle %1 blokker?";
-Blockly.Msg["DELETE_BLOCK"] = "Slett blokk";
-Blockly.Msg["DELETE_VARIABLE"] = "Slett variabelen «%1»";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Slett %1 bruk av variabelen «%2»?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Slett %1 blokker";
-Blockly.Msg["DISABLE_BLOCK"] = "Deaktiver blokk";
-Blockly.Msg["DUPLICATE_BLOCK"] = "duplikat";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Dupliser kommentar";
-Blockly.Msg["ENABLE_BLOCK"] = "Aktiver blokk";
-Blockly.Msg["EXPAND_ALL"] = "Utvid blokker";
-Blockly.Msg["EXPAND_BLOCK"] = "Utvid blokk";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Eksterne kilder";
-Blockly.Msg["HELP"] = "Hjelp";
-Blockly.Msg["INLINE_INPUTS"] = "Interne kilder";
-Blockly.Msg["IOS_CANCEL"] = "Avbryt";
-Blockly.Msg["IOS_ERROR"] = "Feil";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Legg til parameter";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Tillat kommandoer";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Denne funksjonen har duplikatparametere.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "PARAMETERE";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Legg til";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Legg til variabel";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Slett";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Du kan ikke bruke et tomt variabelnavn.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Endre navn";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variabelnavn";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "opprett en tom liste";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returnerer en tom liste, altså med lengde 0";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "liste";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Legg til, fjern eller endre rekkefølgen for å endre på denne delen av listen.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "lag en liste med";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Tilføy et element til listen.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Lag en liste med et vilkårlig antall elementer.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "først";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# fra slutten";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "hent";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "hent og fjern";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "siste";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "tilfeldig";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "fjern";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returnerer det første elementet i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returner elementet på den angitte posisjonen i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returnerer det siste elementet i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returnerer et tilfeldig element i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Fjerner og returnerer det første elementet i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Fjerner og returnerer elementet ved en gitt posisjon i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Fjerner og returnerer det siste elementet i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Fjerner og returnerer et tilfeldig element i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Fjerner det første elementet i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Fjerner et element ved en gitt posisjon i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Fjerner det siste elementet i en liste.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Fjerner et tilfeldig element i en liste.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "til # fra slutten";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "til #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "til siste";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "Hent en del av listen";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "Hent de siste # elementene";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "Hent del-listen fra #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Kopiérer en ønsket del av en liste.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 er det siste elementet.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 er det første elementet.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "finn første forekomst av elementet";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "finn siste forekomst av elementet";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returnerer indeksen av den første/siste forekomsten av elementet i lista. Returnerer %1 hvis ikke funnet.";
-Blockly.Msg["LISTS_INLIST"] = "i listen";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 er tom";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returnerer sann hvis listen er tom.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "lengden på %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returnerer lengden til en liste.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "Lag en liste hvor elementet %1 forekommer %2 ganger";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Lager en liste hvor den gitte verdien gjentas et antall ganger.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverser %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverser en kopi av ei liste.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "som";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "sett inn ved";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "sett";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Setter inn elementet i starten av en liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Setter inn elementet ved den angitte posisjonen i en liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Tilføy elementet til slutten av en liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Setter inn elementet ved en tilfeldig posisjon i en liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Angir det første elementet i en liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Setter inn elementet ved den angitte posisjonen i en liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Angir det siste elementet i en liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Angir et tilfeldig element i en liste.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "stigende";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "synkende";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sorter %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sorter en kopi av en liste.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabetisk, ignorert store/små bokstaver";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numerisk";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabetisk";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "lag liste av tekst";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "lag tekst av liste";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Føy sammen en liste tekster til én tekst, avskilt av en avgrenser.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Splitt teksten til en liste med tekster, brutt ved hver avgrenser.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "med avgrenser";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "usann";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Returnerer enten sann eller usann.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "sann";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Returnerer sann hvis begge inputene er like hverandre.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Returnerer sant hvis det første argumentet er større enn den andre argumentet.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Returnerer sant hvis det første argumentet er større enn eller likt det andre argumentet.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Returnerer sant hvis det første argumentet er mindre enn det andre argumentet.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Returnerer sant hvis det første argumentet er mindre enn eller likt det andre argumentet.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Returnerer sant hvis begge argumentene er ulike hverandre.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ikke %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returnerer sant hvis argumentet er usant. Returnerer usant hvis argumentet er sant.";
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returnerer null.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "og";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "eller";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Returnerer sant hvis begge argumentene er sanne.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Returnerer sant hvis minst ett av argumentene er sant.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "hvis usant";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "hvis sant";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Sjekk betingelsen i 'test'. Hvis betingelsen er sann, da returneres 'hvis sant' verdien. Hvis ikke returneres 'hvis usant' verdien.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://no.wikipedia.org/wiki/Aritmetikk";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Returnerer summen av to tall.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Returner kvotienten av to tall.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Returner differansen mellom to tall.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Returner produktet av to tall.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Returner det første tallet opphøyd i den andre tallet.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 av X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "endre %1 ved %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Addere et tall til variabelen '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Returner en av felleskonstantene π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), eller ∞ (uendelig).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "begrense %1 lav %2 høy %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Begrens et tall til å være mellom de angitte grenseverdiene (inklusiv).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "er delelig med";
-Blockly.Msg["MATH_IS_EVEN"] = "er et partall";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "er negativer negativt";
-Blockly.Msg["MATH_IS_ODD"] = "er et oddetall";
-Blockly.Msg["MATH_IS_POSITIVE"] = "er positivt";
-Blockly.Msg["MATH_IS_PRIME"] = "er et primtall";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Sjekk om et tall er et partall, oddetall, primtall, heltall, positivt, negativt, eller om det er delelig med et annet tall. Returnerer sant eller usant.";
-Blockly.Msg["MATH_IS_WHOLE"] = "er et heltall";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "resten av %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Returner resten fra delingen av to tall.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "x";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Et tall.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "gjennomsnittet av listen";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "maksimum av liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "medianen til listen";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "minimum av listen";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "Listens typetall";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "tilfeldig element i listen";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standardavviket til listen";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "summen av listen";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Returner det aritmetiske gjennomsnittet av tallene i listen.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Returner det største tallet i listen.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Returner listens median.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Returner det minste tallet i listen.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Returner en liste av de vanligste elementene i listen.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Returner et tilfeldig element fra listen.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Returner listens standardavvik.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Returner summen av alle tallene i listen.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "tilfeldig flyttall";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Returner et tilfeldig flyttall mellom 0.0 (inkludert) og 1.0 (ikke inkludert).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "Et tilfeldig heltall mellom %1 og %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Returner et tilfeldig tall mellom de to spesifiserte grensene, inkludert de to.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "avrunding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "rund ned";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "rund opp";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Avrund et tall ned eller opp.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absoluttverdi";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "kvadratrot";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Returner absoluttverdien av et tall.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Returner e opphøyd i et tall.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Returner den naturlige logaritmen til et tall.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Returner base-10 logaritmen til et tall.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Returner det negative tallet.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Returner 10 opphøyd i et tall.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Returner kvadratroten av et tall.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Returner arccosinus til et tall.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Returner arcsinus til et tall.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Returner arctangens til et tall.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Returner cosinus av en vinkel (ikke radian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Returner sinus av en vinkel (ikke radian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Returner tangenten av en vinkel (ikke radian).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Oppretter fargevariabel …";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Oppretter tallvariabel …";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Oppretter strengvariabel …";
-Blockly.Msg["NEW_VARIABLE"] = "Opprett variabel…";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nytt variabelnavn:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Ny variabeltype:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "tillat uttalelser";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "med:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Kjør den brukerdefinerte funksjonen '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Kjør den brukerdefinerte funksjonen'%1' og bruk resultatet av den.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "med:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Opprett '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Beskriv denne funksjonen…";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "gjør noe";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "til";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Opprett en funksjon som ikke har noe resultat.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "returner";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Oppretter en funksjon som har et resultat.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Advarsel: Denne funksjonen har duplikate parametere.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Marker funksjonsdefinisjonen";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Hvis en verdi er sann, returner da en annen verdi.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Advarsel: Denne blokken kan bare benyttes innenfor en funksjonsdefinisjon.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "Navn på parameter:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Legg til en input til funksjonen.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "parametere";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Legg til, fjern eller endre rekkefølgen på input til denne funksjonen.";
-Blockly.Msg["REDO"] = "Gjør om";
-Blockly.Msg["REMOVE_COMMENT"] = "Fjern kommentar";
-Blockly.Msg["RENAME_VARIABLE"] = "Gi nytt navn til variabel…";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Endre navnet til alle '%1' variabler til:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "til %1, legg til teksten %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Tilføy tekst til variabelen '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "til små bokstaver";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "til store forbokstaver";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "til STORE BOKSTAVER";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Returnerer en kopi av teksten der store og små bokstaver er byttet om.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "hent første bokstav";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "hent bokstav # fra slutten";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "hent bokstav #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "hent den siste bokstaven";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "hent en tilfeldig bokstav";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "i teksten %1, %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returnerer bokstaven på angitt plassering.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "tell %1 i %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Tell hvor mange ganger noe tekst dukker opp i annen tekst.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Legg til et element til teksten.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "føy sammen";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Legg til, fjern eller forandre rekkefølgen for å forandre på denne tekstblokken.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "til bokstav # fra slutten";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "til bokstav #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "til siste bokstav";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "i tekst";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "hent delstreng fra første bokstav";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "hent delstreng fra bokstav # fra slutten";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "hent delstreng fra bokstav #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returnerer den angitte delen av teksten.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "finn første forekomst av tekst";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "finn siste forekomst av tekst";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "i teksten %1, %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returnerer posisjonen for første/siste forekomsten av den første tekst i den andre teksten.  Returnerer %1 hvis teksten ikke blir funnet.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 er tom";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returnerer sann hvis den angitte teksten er tom.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "lag tekst med";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Opprett en tekst ved å sette sammen et antall elementer.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "lengden av %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returnerer antall bokstaver (inkludert mellomrom) i den angitte teksten.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "skriv ut %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Skriv ut angitt tekst, tall eller annet innhold.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Be brukeren om et tall.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Spør brukeren om tekst.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "spør om et tall med en melding";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "spør om tekst med en melding";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "erstatt %1 med %2 i %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Erstatter alle forekomster av noe tekst i en annen tekst.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverser %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverserer rekkefølgen på tegnene i teksten.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "En bokstav, ett ord eller en linje med tekst.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "fjern mellomrom fra begge sider av";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "fjern mellomrom fra venstre side av";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "fjern mellomrom fra høyre side av";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Returner en kopi av teksten med mellomrom fjernet fra en eller begge sidene.";
-Blockly.Msg["TODAY"] = "I dag";
-Blockly.Msg["UNDO"] = "Angre";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "element";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Opprett 'sett %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returnerer verdien av denne variabelen.";
-Blockly.Msg["VARIABLES_SET"] = "sett %1 til %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Opprett 'hent %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Setter verdien av denne variablen lik parameteren.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "En variabel med navn «%1» finnes allerede.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "En variabel med navn «%1» finnes allerede for en annen type: «%2».";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Si noe …";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/nl.js b/msg/js/nl.js
deleted file mode 100644
index adbda6709b3..00000000000
--- a/msg/js/nl.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Opmerking toevoegen";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "De variabele \"%1\" kan niet verwijderd worden omdat die onderdeel uitmaakt van de definitie van de functie \"%2\"";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Waarde wijzigen:";
-Blockly.Msg["CLEAN_UP"] = "Blokken opschonen";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Samengevouwen blokken bevatten waarschuwingen.";
-Blockly.Msg["COLLAPSE_ALL"] = "Blokken samenvouwen";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Blok samenvouwen";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "kleur 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "kleur 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "verhouding";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "mengen";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Mengt twee kleuren samen met een bepaalde verhouding (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://nl.wikipedia.org/wiki/Kleur";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Kies een kleur in het palet.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "willekeurige kleur";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Kies een willekeurige kleur.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blauw";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "groen";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "rood";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "kleuren met";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Maak een kleur met de opgegeven hoeveelheid rood, groen en blauw.  Alle waarden moeten tussen 0 en 100 liggen.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "uit lus breken";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "doorgaan met de volgende iteratie van de lus";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "uit de bovenliggende lus breken";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "De rest van deze lus overslaan en doorgaan met de volgende herhaling.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Waarschuwing: dit blok mag alleen gebruikt worden in een lus.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "voor ieder item %1 in lijst %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Voor ieder item in een lijst, stel de variabele \"%1\" in op het item en voer daarna opdrachten uit.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "rekenen met %1 van %2 tot %3 in stappen van %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Laat de variabele \"%1\" de waarden aannemen van het beginnummer tot het laatste nummer, tellende met het opgegeven interval, en met uitvoering van de opgegeven blokken.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Voeg een voorwaarde toe aan het als-blok.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Voeg een laatste, vang-alles conditie toe aan het als-statement.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Voeg stukken toe, verwijder of wijzig de volgorde om dit \"als\"-blok te wijzigen.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "anders";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "anders als";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "als";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Als een waarde waar is, voer dan opdrachten uit.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Als een waarde waar is, voert dan het eerste blok met opdrachten uit. Voer andere het tweede blok met opdrachten uit.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Als de eerste waarde waar is, voer dan het eerste blok met opdrachten uit. Voer anders, als de tweede waarde waar is, het tweede blok met opdrachten uit.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Als de eerste waarde \"waar\" is, voer dan het eerste blok uit. Voer anders wanneer de tweede waarde \"waar\" is, het tweede blok uit. Als geen van beide waarden waar zijn, voer dan het laatste blok uit.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://nl.wikipedia.org/wiki/Repetitie_(informatica)#For_en_Foreach";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "voer uit";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 keer herhalen";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Voer een aantal opdrachten meerdere keren uit.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "herhalen totdat";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "herhalen zolang";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Terwijl een waarde onwaar is de volgende opdrachten uitvoeren.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Terwijl een waarde waar is de volgende opdrachten uitvoeren.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Alle %1 blokken verwijderen?";
-Blockly.Msg["DELETE_BLOCK"] = "Blok verwijderen";
-Blockly.Msg["DELETE_VARIABLE"] = "Verwijder de variabele \"%1\"";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "%1 gebruiken van de variabele \"%2\" verwijderen?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 blokken verwijderen";
-Blockly.Msg["DISABLE_BLOCK"] = "Blok uitschakelen";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplicaat";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Opmerking dupliceren";
-Blockly.Msg["ENABLE_BLOCK"] = "Blok inschakelen";
-Blockly.Msg["EXPAND_ALL"] = "Blokken uitvouwen";
-Blockly.Msg["EXPAND_BLOCK"] = "Blok uitvouwen";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Externe invoer";
-Blockly.Msg["HELP"] = "Hulp";
-Blockly.Msg["INLINE_INPUTS"] = "Inline invoer";
-Blockly.Msg["IOS_CANCEL"] = "Annuleren";
-Blockly.Msg["IOS_ERROR"] = "Fout";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Invoer toevoegen";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Statements toestaan";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Deze functie heeft dubbele invoeren.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INVOER";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Toevoegen";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Variabele toevoegen";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Verwijderen";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "U kunt geen lege variabelenaam gebruiken.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Hernoemen";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variabelenaam";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "maak een lege lijst";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Geeft een lijst terug met lengte 0, zonder items";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "lijst";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Voeg stukken toe, verwijder ze of wijzig de volgorde om dit lijstblok aan te passen.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "maak een lijst met";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Voeg iets toe aan de lijst.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Maak een lijst met een willekeurig aantal items.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "eerste";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# van einde";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "haal op";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "haal op en verwijder";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "laatste";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "willekeurig";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "verwijder";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Geeft het eerste item in een lijst terug.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Geeft het item op de opgegeven positie in een lijst.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Geeft het laatste item in een lijst terug.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Geeft een willekeurig item uit een lijst.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Geeft het laatste item in een lijst terug en verwijdert het.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Geeft het item op de opgegeven positie in een lijst terug en verwijdert het.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Geeft het laatste item uit een lijst terug en verwijdert het.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Geeft een willekeurig item in een lijst terug en verwijdert het.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Verwijdert het eerste item in een lijst.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Verwijdert het item op de opgegeven positie in een lijst.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Verwijdert het laatste item uit een lijst.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Verwijdert een willekeurig item uit een lijst.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "naar # vanaf einde";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "naar item";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "naar laatste";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "haal sublijst op vanaf eerste";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "haal sublijst op van positie vanaf einde";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "haal sublijst op vanaf positie";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Maakt een kopie van het opgegeven deel van de lijst.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "Item %1 is het laatste item.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "Item %1 is het eerste item.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "zoek eerste voorkomen van item";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "zoek laatste voorkomen van item";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Geeft de index terug van het eerste of laatste voorkomen van een item in de lijst. Geeft %1 terug als het item niet is gevonden.";
-Blockly.Msg["LISTS_INLIST"] = "in lijst";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 is leeg";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Geeft waar terug als de lijst leeg is.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "lengte van %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Geeft de lengte van een lijst terug.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "Maak lijst met item %1, %2 keer herhaald";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Maakt een lijst die bestaat uit de opgegeven waarde, het opgegeven aantal keer herhaald.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "%1 omkeren";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Keert een kopie van een lijst om.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "als";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "tussenvoegen op";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "stel in";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Voegt het item toe aan het begin van de lijst.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Voegt het item op een opgegeven positie in een lijst in.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Voeg het item aan het einde van een lijst toe.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Voegt het item op een willekeurige positie in de lijst in.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Stelt het eerste item in een lijst in.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Zet het item op de opgegeven positie in de lijst.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Stelt het laatste item van een lijst in.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Stelt een willekeurig item uit de lijst in.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "oplopend";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "aflopend";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sorteer %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sorteer een kopie van een lijst.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabetisch, negeer hoofd-/kleine letters";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeriek";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabetisch";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "lijst maken van tekst";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "tekst maken van lijst";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Lijst van tekstdelen samenvoegen in één stuk tekst, waarbij de tekstdelen gescheiden zijn door een scheidingsteken.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Tekst splitsen in een lijst van teksten op basis van een scheidingsteken.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "met scheidingsteken";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "onwaar";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Geeft \"waar\" of \"onwaar\" terug.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "waar";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://nl.wikipedia.org/wiki/Ongelijkheid_(wiskunde)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Geeft \"waar\", als beide waarden gelijk aan elkaar zijn.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Geeft \"waar\" terug als de eerste invoer meer is dan de tweede invoer.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Geeft \"waar\" terug als de eerste invoer groter is of gelijk aan de tweede invoer.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Geeft \"waar\" als de eerste invoer kleiner is dan de tweede invoer.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Geeft \"waar\" terug als de eerste invoer kleiner of gelijk is aan de tweede invoer.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Geeft \"waar\" terug als de waarden niet gelijk zijn aan elkaar.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "niet %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Geeft \"waar\" terug als de invoer \"onwaar\" is. Geeft \"onwaar\" als de invoer \"waar\" is.";
-Blockly.Msg["LOGIC_NULL"] = "niets";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Geeft niets terug.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "en";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";
-Blockly.Msg["LOGIC_OPERATION_OR"] = "of";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Geeft waar als beide waarden waar zijn.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Geeft \"waar\" terug als in ieder geval één van de waarden waar is.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "als onwaar";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "als waar";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Test de voorwaarde in \"test\". Als de voorwaarde \"waar\" is, geef de waarde van \"als waar\" terug; geef anders de waarde van \"als onwaar\" terug.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://nl.wikipedia.org/wiki/Rekenen";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Geeft de som van 2 getallen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Geeft de gedeelde waarde van twee getallen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Geeft het verschil van de twee getallen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Geeft het product terug van de twee getallen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Geeft het eerste getal tot de macht van het tweede getal.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 van X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Geef de boogtangens van punt (X, Y) terug in graden tussen -180 naar 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "%1 wijzigen met %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Voegt een getal toe aan variabele \"%1\".";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://nl.wikipedia.org/wiki/Wiskundige_constante";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Geeft een van de vaak voorkomende constante waardes:  π (3.141…), e (2.718…), φ (1.618…), √2 (1.414…), √½ (0.707…), of ∞ (oneindig).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "beperk %1 van minimaal %2 tot maximaal %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Beperk een getal tussen de twee opgegeven limieten (inclusief).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "is deelbaar door";
-Blockly.Msg["MATH_IS_EVEN"] = "is even";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "is negatief";
-Blockly.Msg["MATH_IS_ODD"] = "is oneven";
-Blockly.Msg["MATH_IS_POSITIVE"] = "is positief";
-Blockly.Msg["MATH_IS_PRIME"] = "is priemgetal";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Test of een getal even, oneven, een priemgetal, geheel, positief of negatief is, of deelbaar is door een bepaald getal. Geeft \"waar\" of \"onwaar\".";
-Blockly.Msg["MATH_IS_WHOLE"] = "is geheel getal";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://nl.wikipedia.org/wiki/Modulair_rekenen";
-Blockly.Msg["MATH_MODULO_TITLE"] = "restgetal van %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Geeft het restgetal van het resultaat van de deling van de twee getallen.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://nl.wikipedia.org/wiki/Getal_%28wiskunde%29";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Een getal.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "gemiddelde van lijst";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "hoogste uit lijst";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "mediaan van lijst";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "laagste uit lijst";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modi van lijst";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "willekeurige item van lijst";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standaarddeviatie van lijst";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "som van lijst";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Geeft het gemiddelde terug van de numerieke waardes in een lijst.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Geeft het grootste getal in een lijst.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Geeft de mediaan in de lijst.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Geeft het kleinste getal uit een lijst.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Geeft een lijst van de meest voorkomende onderdelen in de lijst.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Geeft een willekeurig item uit de lijst terug.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Geeft de standaardafwijking van de lijst.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Geeft de som van alle getallen in de lijst.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://nl.wikipedia.org/wiki/Toevalsgenerator";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "willekeurige fractie";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Geeft een willekeurige fractie tussen 0.0 (inclusief) en 1.0 (exclusief).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://nl.wikipedia.org/wiki/Toevalsgenerator";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "willekeurig geheel getal van %1 tot %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Geeft een willekeurig getal tussen de 2 opgegeven limieten in, inclusief.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://nl.wikipedia.org/wiki/Afronden";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "afronden";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "naar beneden afronden";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "omhoog afronden";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Rondt een getal af omhoog of naar beneden.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://nl.wikipedia.org/wiki/Vierkantswortel";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absoluut";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "wortel";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Geeft de absolute waarde van een getal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Geeft e tot de macht van een getal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Geeft het natuurlijk logaritme van een getal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Geeft het logaritme basis 10 van een getal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Geeft de negatief van een getal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Geeft 10 tot de macht van een getal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Geeft de wortel van een getal.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "arctan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://nl.wikipedia.org/wiki/Goniometrische_functie";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Geeft de arccosinus van een getal.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Geeft de arcsinus van een getal.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Geeft de arctangens van een getal.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Geeft de cosinus van een graad (geen radialen).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Geeft de sinus van een graad (geen radialen).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Geeft de tangens van een graad (geen radialen).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Creëer kleurvariabele";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Creëer numeriek variabele";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Creëer tekstvariabele";
-Blockly.Msg["NEW_VARIABLE"] = "Variabele maken...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nieuwe variabelenaam:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Nieuw soort variabele";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "statements toestaan";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "met:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://nl.wikipedia.org/wiki/Subprogramma";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Voer de door de gebruiker gedefinieerde functie \"%1\" uit.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://nl.wikipedia.org/wiki/Subprogramma";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Voer de door de gebruiker gedefinieerde functie \"%1\" uit en gebruik de uitvoer.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "met:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Maak \"%1\"";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Deze functie beschrijven...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://nl.wikipedia.org/wiki/Subprogramma";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "doe iets";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "om";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Maakt een functie zonder uitvoer.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://nl.wikipedia.org/wiki/Subprogramma";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "uitvoeren";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Maakt een functie met een uitvoer.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Waarschuwing: deze functie heeft parameters met dezelfde naam.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Accentueer functiedefinitie";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Als de eerste waarde \"waar\" is, geef dan de tweede waarde terug.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Waarschuwing: dit blok mag alleen gebruikt worden binnen de definitie van een functie.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "invoernaam:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Een invoer aan de functie toevoegen.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "ingangen";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Invoer van deze functie toevoegen, verwijderen of herordenen.";
-Blockly.Msg["REDO"] = "Opnieuw";
-Blockly.Msg["REMOVE_COMMENT"] = "Opmerking verwijderen";
-Blockly.Msg["RENAME_VARIABLE"] = "Variabele hernoemen...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Alle variabelen \"%1\" hernoemen naar:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";
-Blockly.Msg["TEXT_APPEND_TITLE"] = "voor%1 voeg tekst toe van %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Voeg tekst toe aan de variabele \"%1\".";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "naar kleine letters";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "naar Hoofdletter Per Woord";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "naar HOOFDLETTERS";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Geef een kopie van de tekst met veranderde hoofdletters terug.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "haal eerste letter op";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "haal letter # op vanaf einde";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "haal letter # op";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";
-Blockly.Msg["TEXT_CHARAT_LAST"] = "haal laatste letter op";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "haal willekeurige letter op";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in tekst %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Geeft de letter op de opgegeven positie terug.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "%1 in %2 tellen";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Tel hoe vaak bepaalde tekst voorkomt in andere tekst.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Voegt een item aan de tekst toe.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "samenvoegen";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Toevoegen, verwijderen of volgorde wijzigen van secties om dit tekstblok opnieuw in te stellen.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "van letter # tot einde";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "naar letter #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "naar laatste letter";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in tekst";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "haal subtekst op van eerste letter";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "haal subtekst op vanaf letter # vanaf einde";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "haal subtekst op vanaf letter #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Geeft het opgegeven onderdeel van de tekst terug.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "zoek eerste voorkomen van tekst";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "zoek het laatste voorkomen van tekst";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in tekst %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Geeft de index terug van het eerste of laatste voorkomen van de eerste tekst in de tweede tekst. Geeft %1 terug als de tekst niet gevonden is.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 is leeg";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Geeft \"waar\" terug, als de opgegeven tekst leeg is.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "maak tekst met";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Maakt een stuk tekst door één of meer items samen te voegen.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "lengte van %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Geeft het aantal tekens terug (inclusief spaties) in de opgegeven tekst.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";
-Blockly.Msg["TEXT_PRINT_TITLE"] = "tekst weergeven: %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Drukt de opgegeven tekst, getal of een andere waarde af.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Vraagt de gebruiker om een getal in te voeren.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Vraagt de gebruiker om invoer.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "vraagt de gebruiker om een getal met de tekst";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "vraagt om invoer met bericht";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "vervang %1 door %2 in %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Vervang alle voorkomens van tekst in een andere tekst.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "%1 omkeren";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Keert de volgorde van de tekens in de tekst om.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://nl.wikipedia.org/wiki/String_%28informatica%29";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Een letter, woord of een regel tekst.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "spaties van beide kanten afhalen van";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "spaties van de linkerkant verwijderen van";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "spaties van de rechterkant verwijderen van";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Geeft een kopie van de tekst met verwijderde spaties van één of beide kanten.";
-Blockly.Msg["TODAY"] = "Vandaag";
-Blockly.Msg["UNDO"] = "Ongedaan maken";
-Blockly.Msg["UNNAMED_KEY"] = "zonder naam";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "item";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Maak \"verander %1\"";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Geeft de waarde van deze variabele.";
-Blockly.Msg["VARIABLES_SET"] = "stel %1 in op %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Maak 'opvragen van %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Verandert de waarde van de variabele naar de waarde van de invoer.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Er bestaat al een variabele met de naam \"%1\".";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Een variabele met de naam '%1' bestaat al voor een ander soort variabele: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly werkruimte";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Zeg iets...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/oc.js b/msg/js/oc.js
deleted file mode 100644
index cd0e63075cb..00000000000
--- a/msg/js/oc.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Apondre un comentari";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Modificar la valor :";
-Blockly.Msg["CLEAN_UP"] = "Netejar los blòts";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Redusir los blòts";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Redusir lo blòt";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "color 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "color 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "ratio";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "mesclar";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Blends two colours together with a given ratio (0.0 - 1.0).";  // untranslated
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://oc.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Causir una color dins la paleta.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "color aleatòria";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Causir una color a l'azard.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blau";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "verd";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "roge";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "coloriar amb";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Create a colour with the specified amount of red, green, and blue. All values must be between 0 and 100.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "quitar la bocla";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "passar a l’iteracion de bocla seguenta";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Sortir de la bocla englobanta.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warning: This block may only be used within a loop.";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "per cada element %1 dins la lista %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For each item in a list, set the variable '%1' to the item, and then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "comptar amb %1 de %2 a %3 per %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Apondre una condicion al blòt 'se'.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "siquenon";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "siquenon se";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "se";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "If a value is true, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://oc.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "far";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "repetir %1 còps";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Do some statements several times.";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "repetir fins a";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "repetir tant que";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "While a value is false, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "While a value is true, then do some statements.";  // untranslated
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Suprimir totes los %1 blòts ?";
-Blockly.Msg["DELETE_BLOCK"] = "Suprimir lo blòt";
-Blockly.Msg["DELETE_VARIABLE"] = "Suprimir la variabla '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "Suprimir %1 blòts";
-Blockly.Msg["DISABLE_BLOCK"] = "Desactivar lo blòt";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplicar";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Activar lo blòt";
-Blockly.Msg["EXPAND_ALL"] = "Desvolopar los blòts";
-Blockly.Msg["EXPAND_BLOCK"] = "Desvolopar lo blòt";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Entradas extèrnas";
-Blockly.Msg["HELP"] = "Ajuda";
-Blockly.Msg["INLINE_INPUTS"] = "Entradas en linha";
-Blockly.Msg["IOS_CANCEL"] = "Anullar";
-Blockly.Msg["IOS_ERROR"] = "Error";
-Blockly.Msg["IOS_OK"] = "D'acòrdi";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Apondre una entrada";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Òrdres autorizats";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Aquesta foncion a d'entradas duplicadas.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ENTRADAS";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Apondre";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Apondre una variabla";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Suprimir";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Podètz pas utilizar un nom de variabla void.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Renomenar";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Nom de la variabla";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "crear una lista voida";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "lista";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "crear una lista amb";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Apondre un element a la lista.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "primièr";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# dempuèi la fin";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "obténer";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "obténer e suprimir";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "darrièr";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "aleatòri";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "suprimit";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Renvia lo primièr element dins una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Renvia l'element de la posicion especificada dins la lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "fins a # dempuèi la fin";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "fins a #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "fins a la fin";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 es lo darrièr element.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 es lo primièr element.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "dins la lista";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 es voida";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "longitud de %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "inversar %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Inversar la còpia d’una lista.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "coma";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "inserir en";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "metre";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "creissent";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descreissent";
-Blockly.Msg["LISTS_SORT_TITLE"] = "triar %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabetic";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "amb lo separador";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "fals";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Renvia siá verai siá fals.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "verai";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://fr.wikipedia.org/wiki/Inegalite_(mathematiques)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Renviar verai se las doas entradas son egalas.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Renviar verai se las doas entradas son diferentas.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "pas %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
-Blockly.Msg["LOGIC_NULL"] = "nul";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Renvia nul.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "e";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "o";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Renviar verai se las doas entradas son vertadièras.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "tèst";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "se fals";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "se verai";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://oc.wikipedia.org/wiki/Aritmetica";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Renvia la soma dels dos nombres.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "incrementar %1 per %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrénher %1 entre %2 e %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "es devesible per";
-Blockly.Msg["MATH_IS_EVEN"] = "es par";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "es negatiu";
-Blockly.Msg["MATH_IS_ODD"] = "es impar";
-Blockly.Msg["MATH_IS_POSITIVE"] = "es positiu";
-Blockly.Msg["MATH_IS_PRIME"] = "es primièr";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "es entièr";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "residú de %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://oc.wikipedia.org/wiki/Nombre";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Un nombre.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "mejana de la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "maximum de la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "mediana de la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "minimum de la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "majoritaris de la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "element aleatòri de lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "escart-tipe de la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "soma de la lista";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "fraccion aleatòria";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "arredondir";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "arredondir a l’inferior";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "arredondir al superior";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://fr.wikipedia.org/wiki/Racine_carree";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolut";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "raiç carrada";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Renvia la valor absoluda d’un nombre.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Renvia a la poténcia d’un nombre.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Renvia lo logaritme natural d’un nombre.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Renvia lo logaritme decimal d’un nombre.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Renvia l’opausat d’un nombre";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Renvia 10 a la poténcia d’un nombre.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Renvia la raiç carrada d’un nombre.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Renvia l’arccosinus d’un nombre.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Renvia l’arcsinus d’un nombre.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Renvia l’arctangenta d’un nombre.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Renvia lo cosinus d’un angle en grases (pas en radians).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Renvia lo sinus d’un angle en grases (pas en radians).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Renvia la tangenta d’un angle en grases (pas en radians).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Crear una variabla color…";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Crear una variabla nombre…";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Crear una variabla cadena…";
-Blockly.Msg["NEW_VARIABLE"] = "Crear una variabla...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nom de la novèla variabla :";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Novèl tipe de variabla :";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "autorizar los òrdres";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "amb :";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "amb :";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Crear '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "far quicòm";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "a";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "retorn";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "nom de l’entrada :";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "entradas";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "Refar";
-Blockly.Msg["REMOVE_COMMENT"] = "Suprimir un comentari";
-Blockly.Msg["RENAME_VARIABLE"] = "Renomenar la variabla…";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Renomenar totas las variablas « %1 » a :";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "a %1 apondre lo tèxte %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "en minusculas";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "en Majuscula Al Començament De Cada Mot";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "en MAJUSCULAS";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "obténer la primièra letra";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "obténer la letra # dempuèi la fin";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "obténer la letra #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "obténer la darrièra letra";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "obténer una letra a l'azard";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "dins lo tèxte %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Renvia la letra a la posicion indicada.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "nombre %1 sus %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "jónher";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "fins a la letra #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "fins a la darrièra letra";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "dins lo tèxte";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "dins lo tèxte %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 es void";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "crear un tèxte amb";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "longor de %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "afichar %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "inversar %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Una letra, un mot o una linha de tèxte.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "suprimir los espacis dels dos costats";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "Uèi";
-Blockly.Msg["UNDO"] = "Anullar";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "element";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Crear 'fixar %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "fixar %1 a %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Crear 'obténer %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Existís ja una variabla nomenada \"%1\".";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/pl.js b/msg/js/pl.js
deleted file mode 100644
index 28f80c14a28..00000000000
--- a/msg/js/pl.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Dodaj Komentarz";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Nie można usunąć zmiennej '%1', ponieważ jest częścią definicji funkcji '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Zmień wartość:";
-Blockly.Msg["CLEAN_UP"] = "Uporządkuj Bloki";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Zwinięte bloki zawierają ostrzeżenia.";
-Blockly.Msg["COLLAPSE_ALL"] = "Zwiń Bloki";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Zwiń Klocek";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "kolor 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "kolor 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "proporcja";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "wymieszaj";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Miesza dwa kolory w danej proporcji (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Wybierz kolor z palety.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "losowy kolor";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Wybierz kolor w sposób losowy.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "niebieski";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "zielony";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "czerwony";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "kolor z";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Utwórz kolor składający sie z podanej ilości czerwieni, zieleni i błękitu. Zakres wartości: 0 do 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "przerwij pętlę";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "przejdź do kolejnej iteracji pętli";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Przerwij działanie pętli.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Pomiń resztę pętli i kontynuuj w kolejnej iteracji.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Uwaga: Ten klocek może być użyty tylko wewnątrz pętli.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "dla każdego elementu %1 listy %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Przypisz zmiennej '%1' kolejno wartość każdego elementu listy, a następnie wykonaj kilka instrukcji.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "licz z %1 od %2 do %3 co %4 (wartość kroku)";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Zmiennej '%1' przypisuje wartości z podanego zakresu z podanym interwałem i wykonuje zadane bloki.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Dodaj warunek do klocka „jeśli”.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Dodaj ostatni zawsze prawdziwy warunek do klocka „jeśli”.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Dodaj, usuń lub zmień kolejność czynności, żeby zmodyfikować ten klocek „jeśli”.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "w przeciwnym razie";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "w przeciwnym razie, jeśli";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "jeśli";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Jeśli warunek jest spełniony, wykonaj zadane czynności.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Jeśli warunek jest spełniony, wykonaj pierwszy blok instrukcji.  W przeciwnym razie, wykonaj drugi blok instrukcji.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Jeśli pierwszy warunek jest spełniony, wykonaj pierwszy blok instrukcji.  W przeciwnym razie, jeśli drugi warunek jest spełniony, wykonaj drugi blok instrukcji.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Jeśli pierwszy warunek jest spełniony, wykonaj pierwszy blok czynności.  W przeciwnym razie jeśli drugi warunek jest spełniony, wykonaj drugi blok czynności.  Jeżeli żaden z warunków nie zostanie spełniony, wykonaj ostatni blok czynności.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "wykonaj";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "powtórz %1 razy";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Wykonaj niektóre instrukcje kilka razy.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "powtarzaj aż do";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "powtarzaj dopóki";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Dopóki wyrażenie jest nieprawdziwe, wykonaj zadane czynności.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Dopóki wyrażenie jest prawdziwe, wykonaj zadane czynności.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Usunąć wszystkie klocki z %1?";
-Blockly.Msg["DELETE_BLOCK"] = "Usuń Klocek";
-Blockly.Msg["DELETE_VARIABLE"] = "Usuń zmienną '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Usunąć %1 wystąpień zmiennej '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Usuń %1 Bloki(ów)";
-Blockly.Msg["DISABLE_BLOCK"] = "Wyłącz Klocek";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Powiel";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Zduplikowany komentarz";
-Blockly.Msg["ENABLE_BLOCK"] = "Włącz Blok";
-Blockly.Msg["EXPAND_ALL"] = "Rozwiń Bloki";
-Blockly.Msg["EXPAND_BLOCK"] = "Rozwiń Klocek";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Zewnętrzne Wejścia";
-Blockly.Msg["HELP"] = "Pomoc";
-Blockly.Msg["INLINE_INPUTS"] = "Wbudowane Wejścia";
-Blockly.Msg["IOS_CANCEL"] = "Anuluj";
-Blockly.Msg["IOS_ERROR"] = "Błąd";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Dodaj Wejście";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Zezwalaj na czynności.";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Ta funkcja ma zduplikowane wejścia.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "WEJŚCIA";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Dodaj";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Dodaj Zmienną";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Usuń";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Nie możesz utworzyć funkcji bez nazwy.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Zmień nazwę";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Nazwa zmiennej";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "utwórz pustą listę";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Zwraca listę o długości 0, nie zawierającą danych";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "lista";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Dodaj, usuń lub zmień kolejność sekcji aby przekonfigurować blok tej listy.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "utwórz listę z";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Dodaj element do listy.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Utwórz listę z dowolną ilością elementów.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "pierwszy";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# od końca";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "pobierz";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "zabierz";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "ostatni";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "losowy";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "usuń";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Zwraca pierwszy element z listy.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Zwraca element z konkretnej pozycji na liście.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Zwraca ostatni element z listy.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Zwraca losowy element z listy.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Usuwa i zwraca pierwszy element z listy.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Usuwa i zwraca element z określonej pozycji na liście.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Usuwa i zwraca ostatni element z listy.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Usuwa i zwraca losowy element z listy.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Usuwa pierwszy element z listy.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Usuwa element z określonej pozycji na liście.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Usuwa ostatni element z listy.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Usuwa losowy element z listy.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "do # od końca";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "do #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "do ostatniego";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "utwórz listę podrzędną od pierwszego";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "utwórz listę podrzędną z # od końca";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "utwórz listę podrzędną z #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Tworzy kopię żądanej części listy.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 to ostatni element.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 to pierwszy element.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "znajdź pierwsze wystąpienie elementu";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "znajdź ostatanie wystąpienie elementu";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Zwraca indeks pierwszego/ostatniego wystąpienia elementu z listy. Zwraca %1, jeśli nie zostanie znaleziony.";
-Blockly.Msg["LISTS_INLIST"] = "na liście";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 jest pusta";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Zwraca \"prawda\" jeśli lista jest pusta.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "długość %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Zwraca długość listy.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "utwórz listę powtarzając %1 %2 razy.";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Tworzy listę zawierającą podaną wartość powtórzoną żądaną ilość razy.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "odwróć %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Odwraca kolejność danych w kopii listy.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "jako";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "wstaw w";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "ustaw";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Wstawia element na początku listy.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Wstawia element na żądanej pozycji listy.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Dodaj element na koniec listy.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Wstawia element w losowym miejscu na liście.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Ustawia pierwszy element na liście.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Ustawia element w określonym miejscu na liście.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Ustawia ostatni element na liście.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Ustawia losowy element na liście.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "rosnąco";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "malejąco";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sortuj %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sortuj kopię listy.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabetycznie, ignoruj wielkość liter";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numerycznie";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabetycznie";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "utwórz listę z tekstu";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "utwórz tekst z listy";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Łączy listę tekstów w jeden tekst, rozdzielany separatorem.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Rozdziela tekst zgodnie z separatorem tworząc listę z powstałych elementów.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "z separatorem";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "fałsz";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Zwraca 'prawda' lub 'fałsz'.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "prawda";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://pl.wikipedia.org/wiki/Nierówność";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Zwraca \"prawda\", jeśli wejścia są identyczne.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Zwraca \"prawda\" jeśli pierwsze wejście jest większe od drugiego.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Zwraca \"prawda\", jeśli pierwsze wejście jest większe lub równe drugiemu.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Zwraca \"prawda\" jeśli pierwsze wejście jest mniejsze od drugiego.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Zwraca \"prawda\", jeśli pierwsze wejście jest mniejsze lub równe drugiemu.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Zwraca \"prawda\", jeśli wejścia nie są identyczne.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "nie %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Zwraca \"prawda\", jeśli wejściu jest \"fałsz\". Zwraca \"fałsz\", jeśli na wejściu jest \"prawda\".";
-Blockly.Msg["LOGIC_NULL"] = "nic";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Zwraca nic.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "i";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "lub";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Zwraca \"prawda\" jeśli na obydwóch wejściach jest \"prawda\".";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Zwraca \"prawda\" jeśli co najmniej na jednyk wejściu jest \"prawda\".";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "jeśli fałsz";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "jeśli prawda";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Sprawdź warunek w „test”. Jeśli warunek jest prawdziwy, to zwróci „jeśli prawda”; jeśli nie jest prawdziwy to zwróci „jeśli fałsz”.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://pl.wikipedia.org/wiki/Arytmetyka";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Zwróć sumę dwóch liczb.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Zwróć iloraz dwóch liczb.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Zwróć różnicę dwóch liczb.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Zwróć iloczyn dwóch liczb.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Zwróć pierwszą liczbę podniesioną do potęgi o wykładniku drugiej liczby.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Zwraca arcus tangens punktu (X, Y) w stopniach od -180 do 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "zmień %1 o %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Dodaj liczbę do zmiennej '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://pl.wikipedia.org/wiki/Stała_(matematyka)";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Zwróć jedną wspólną stałą: π (3.141), e (2.718...), φ (1.618...), sqrt(2) (1.414...), sqrt(½) (0.707...) lub ∞ (nieskończoność).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "ogranicz %1 z dołu %2 z góry %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Ogranicz liczbę, aby była w określonych granicach (włącznie).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "/";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "jest podzielna przez";
-Blockly.Msg["MATH_IS_EVEN"] = "jest parzysta";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "jest ujemna";
-Blockly.Msg["MATH_IS_ODD"] = "jest nieparzysta";
-Blockly.Msg["MATH_IS_POSITIVE"] = "jest dodatnia";
-Blockly.Msg["MATH_IS_PRIME"] = "jest liczbą pierwszą";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Sprawdź, czy liczba jest parzysta, nieparzysta, pierwsza, całkowita, dodatnia, ujemna, lub czy jest podzielna przez podaną liczbę. Zwraca wartość \"prawda\" lub \"fałsz\".";
-Blockly.Msg["MATH_IS_WHOLE"] = "jest liczbą całkowitą";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://pl.wikipedia.org/wiki/Modulo";
-Blockly.Msg["MATH_MODULO_TITLE"] = "reszta z dzielenia %1 przez %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Zwróć resztę z dzielenia dwóch liczb przez siebie.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Liczba.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "średnia elementów listy";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "maksymalna wartość z listy";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "mediana listy";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "minimalna wartość z listy";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "dominanty listy";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "losowy element z listy";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "odchylenie standardowe listy";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "suma elementów listy";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Zwróć średnią (średnią arytmetyczną) wartości liczbowych z listy.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Zwróć największą liczbę w liście.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Zwróć medianę listy.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Zwróć najmniejszą liczbę w liście.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Zwróć listę najczęściej występujących elementów w liście.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Zwróć losowy element z listy.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Zwróć odchylenie standardowe listy.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Zwróć sumę wszystkich liczb z listy.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "losowy ułamek";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Zwróć losowy ułamek między 0.0 (włącznie), a 1.0 (wyłącznie).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "losowa liczba całkowita od %1 do %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Zwróć losową liczbę całkowitą w ramach dwóch wyznaczonych granic, włącznie.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://pl.wikipedia.org/wiki/Zaokrąglanie";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "zaokrąglij";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "zaokrąglij w dół";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "zaokrąglij w górę";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Zaokrąglij w górę lub w dół.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://pl.wikipedia.org/wiki/Pierwiastek_kwadratowy";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "wartość bezwzględna";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "pierwiastek kwadratowy";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Zwróć wartość bezwzględną danej liczby.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Zwróć e do potęgi danej liczby.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Zwróć logarytm naturalny danej liczby.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Zwraca logarytm dziesiętny danej liczby.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Zwróć negację danej liczby.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Zwróć 10 do potęgi danej liczby.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Zwróć pierwiastek kwadratowy danej liczby.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "arccos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "arcsin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "arctg";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://pl.wikipedia.org/wiki/Funkcje_trygonometryczne";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tg";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Zwróć arcus cosinus danej liczby.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Zwróć arcus sinus danej liczby.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Zwróć arcus tangens danej liczby.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Zwróć wartość cosinusa o stopniu (nie w radianach).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Zwróć wartość sinusa o stopniu (nie w radianach).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Zwróć tangens o stopniu (nie w radianach).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Utwórz zmienną colour";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Utwórz zmienną typu number";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Utwórz zmienną typu string";
-Blockly.Msg["NEW_VARIABLE"] = "Utwórz zmienną...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nowa nazwa zmiennej:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Nowy typ zmiennej:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "zezwól na czynności";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "z:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://pl.wikipedia.org/wiki/Podprogram";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Uruchom zdefiniowaną przez użytkownika funkcję '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://pl.wikipedia.org/wiki/Podprogram";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Uruchom zdefiniowaną przez użytkownika funkcję '%1' i użyj jej wyjścia.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "z:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Utwórz '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Opisz tę funkcję...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "zrób coś";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "do";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Tworzy funkcję nie posiadającą wyjścia.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "zwróć";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Tworzy funkcję posiadającą wyjście.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Uwaga: Ta funkcja ma powtórzone parametry.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Podświetl definicję funkcji";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Jeśli warunek jest spełniony zwróć drugą wartość.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Uwaga: Ten klocek może być używany tylko w definicji funkcji.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "nazwa wejścia:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Dodaj wejście do funkcji.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "wejścia";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Dodaj, usuń lub zmień kolejność wejść tej funkcji.";
-Blockly.Msg["REDO"] = "Ponów";
-Blockly.Msg["REMOVE_COMMENT"] = "Usuń komentarz";
-Blockly.Msg["RENAME_VARIABLE"] = "Zmień nazwę zmiennej...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Zmień nazwy wszystkich '%1' zmiennych na:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "dodaj tekst %2 do %1";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Dołącz tekst do zmiennej '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "na małe litery";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "na Pierwsza Duża";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "na WIELKIE LITERY";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Zwraca kopię tekstu z odwruconą wielkością liter.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "pobierz pierwszą literę";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "pobierz literę # od końca";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "pobierz literę #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "pobierz ostatnią literę";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "pobierz losową literę";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "w tekście %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Zwraca literę z określonej pozycji.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "policz %1 w %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Liczy ile razy dany tekst występuje w innym tekście.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Dodaj element do tekstu.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "połącz";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Dodaj, usuń lub zmień kolejność sekcji, aby zmodyfikować klocek tekstowy.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "do # litery od końca";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "do # litery";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "do ostatniej litery";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "w tekście";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "pobierz podciąg od pierwszej litery";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "pobierz podciąg od # litery od końca";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "pobierz podciąg od # litery";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Zwraca określoną część tekstu.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "znajdź pierwsze wystąpienie tekstu";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "znajdź ostatnie wystąpienie tekstu";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "w tekście %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Zwraca indeks pierwszego/ostatniego wystąpienia pierwszego tekstu w drugim tekście. Zwraca wartość %1, jeśli tekst nie został znaleziony.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 jest pusty";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Zwraca prawda (true), jeśli podany tekst jest pusty.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "utwórz tekst z";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Tworzy fragment tekstu, łącząc ze sobą dowolną liczbę tekstów.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "długość %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Zwraca liczbę liter (łącznie ze spacjami) w podanym tekście.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "wydrukuj %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Wyświetl określony tekst, liczbę lub inną wartość.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Zapytaj użytkownika  o liczbę.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Zapytaj użytkownika o jakiś tekst.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "poproś o liczbę z tą wiadomością";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "poproś o tekst z tą wiadomością";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "zamień %1 na %2 w %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Zastąp wszystkie wystąpienia danego tekstu innym.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "odwróć %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Odwraca kolejność znaków w tekście.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://pl.wikipedia.org/wiki/Tekstowy_typ_danych";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Litera, wyraz lub linia tekstu.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "usuń spacje po obu stronach";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "usuń spacje z lewej strony";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "usuń spacje z prawej strony";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Zwraca kopię tekstu z usuniętymi spacjami z jednego lub z obu końców tekstu.";
-Blockly.Msg["TODAY"] = "Dzisiaj";
-Blockly.Msg["UNDO"] = "Cofnij";
-Blockly.Msg["UNNAMED_KEY"] = "bez nazwy";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "element";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Utwórz klocek 'ustaw %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Zwraca wartość tej zmiennej.";
-Blockly.Msg["VARIABLES_SET"] = "przypisz %1 wartość %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Utwórz klocek 'pobierz %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Wartości zmiennej i  wejście będą identyczne.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Zmienna o nazwie '%1' już istnieje.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Zmienna o nazwie '%1' już istnieje i jest typu '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Powiedz coś...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/pms.js b/msg/js/pms.js
deleted file mode 100644
index 5d273371f03..00000000000
--- a/msg/js/pms.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Gionté un coment";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "As peul nen eliminesse la variàbil '%1' përchè a l'é part ëd la definission dla fonsion '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Modifiché ël valor:";
-Blockly.Msg["CLEAN_UP"] = "Dëscancelé ij blòch";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Ij blòch sarà a conten-o dj'avertense.";
-Blockly.Msg["COLLAPSE_ALL"] = "Arduve ij blòch";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Arduve ël blòch";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "color 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "color 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "rapòrt";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "mës-cé";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "A mës-cia doi color ansema con un rapòrt dàit (0,0 - 1,0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Serne un color ant la taulòssa.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "color a asar";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Serne un color a asar.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "bleu";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "verd";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "ross";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "coloré con";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Creé un color con la quantità spessificà ëd ross, verd e bleu. Tuti ij valor a devo esse antra 0 e 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "seurte da la liassa";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continué con l'iterassion sucessiva dla liassa";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Seurte da la liassa anglobanta.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Sauté ël rest ëd sa liassa, e continué con l'iterassion apress.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Atension: Ës blòch a peul mach esse dovrà andrinta a na liassa.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "për minca n'element %1 ant la lista %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Për minca element an na lista, dé ël valor ëd l'element a la variàbil '%1', peui eseguì chèiche anstrussion.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "conté con %1 da %2 a %3 për %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Fé an manera che la variàbil \"%1\" a pija ij valor dal nùmer inissial fin-a al nùmer final, an contand për l'antërval ëspessificà, e eseguì ij bloch ëspessificà.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Gionté na condission al blòch si.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Gionté na condission final ch'a cheuj tut al blòch si.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Gionté, gavé o riordiné le session për cinfiguré torna ës blòch si.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "dësnò";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "dësnò si";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "si";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Si un valor a l'é ver, antlora eseguì chèiche anstrussion.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Si un valor a l'é ver, antlora eseguì ël prim blòch d'anstrussion. Dësnò, eseguì ël second blòch d'anstrussion.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Si ël prim valor a l'é ver, antlora fé andé ël prim blòch d'anstrussion. Dësnò, si ël second valor a l'é ver, fé andé ël second blòch d'anstrussion.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Si ël prim valor a l'é ver, antlora fé andé ël prim blòch d'anstrussion. Dësnò, si ël second valor a l'é ver, fé andé ël second blòcj d'anstrussion. Si gnun dij valor a l'é ver, fé andé l'ùltim blòch d'anstrussion.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "fé";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "arpete %1 vire";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Eseguì chèiche anstrussion vàire vire.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "arpete fin-a a";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "arpete antramentre che";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Cand un valor a l'é fàuss, eseguì chèiche anstrussion.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Cand un valor a l'é ver, eseguì chèiche anstrussion.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Scancelé tuti ij %1 blòch?";
-Blockly.Msg["DELETE_BLOCK"] = "Scancelé ël blòch";
-Blockly.Msg["DELETE_VARIABLE"] = "Eliminé la variàbil '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Eliminé %1 utilisassion ëd la variàbil '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Scancelé %1 blòch";
-Blockly.Msg["DISABLE_BLOCK"] = "Disativé ël blòch";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Dupliché";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Dupliché ël coment";
-Blockly.Msg["ENABLE_BLOCK"] = "Ativé ël blòch";
-Blockly.Msg["EXPAND_ALL"] = "Dësvlupé ij blòch";
-Blockly.Msg["EXPAND_BLOCK"] = "Dësvlupé ël blòch";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Imission esterne";
-Blockly.Msg["HELP"] = "Agiut";
-Blockly.Msg["INLINE_INPUTS"] = "Imission an linia";
-Blockly.Msg["IOS_CANCEL"] = "Anulé";
-Blockly.Msg["IOS_ERROR"] = "Eror";
-Blockly.Msg["IOS_OK"] = "Va bin";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Gionté n'imission";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Përmëtte le diciairassion";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Costa imission a dj'imission duplicà.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "IMISSION";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Gionté";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Gionté na variàbil";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Eliminé";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "A peul nen dovré un nòm ëd variàbil veuid.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Arnominé";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Nòm ëd la variàbil";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "creé na lista veuida";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Smon-e na lista, ëd longheur 0, ch'a conten gnun-a argistrassion";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "lista";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Gionté, gavé o riordiné le session për configuré torna cost blòch ëd lista.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "creé na lista con";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Gionté n'element a la lista.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Creé na lista con un nùmer qualsëssìa d'element.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "prim";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# da la fin";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "oten-e";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "oten-e e eliminé";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "ùltim";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "a l'ancàpit";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "eliminé";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "A smon ël prim element an na lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "A smon l'element a la posission ëspessificà an na lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "A smon l'ùltim element an na lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "A smon n'element a l'ancàpit an na lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "A gava e a smon ël prim element an na lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "A gava e a smon l'element a la posission ëspessificà an na lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "A gava e a smon l'ùltim element an na lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "A gava e a smon n'element a l'ancàpit an na lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "A gava ël prim element an na lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "A gava l'element a la posission ëspessificà an na lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "A gava l'ùltim element an na lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "A gava n'element a l'ancàpit da na lista.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "fin-a a # da la fin";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "fin-a a #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "fin-a a l'ùltim";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "oten-e la sot-lista dal prim";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "oten-e la sot-lista da # da la fin";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "oten-e la sot-lista da #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "A crea na còpia dël tòch ëspessificà ëd na lista.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 a l'é l'ùltim element.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 a l'é ël prim element.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "trové la prima ocorensa dl'element";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "trové l'ùltima ocorensa dl'element";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "A smon l'ìndes ëd la prima/ùltima ocorensa dl'element ant la lista. A smon %1 se l'element a l'é nen trovà.";
-Blockly.Msg["LISTS_INLIST"] = "ant la lista";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 a l'é veuid";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "A smon ver se la lista a l'é veuida.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "longheur ëd %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "A smon la longheur ¨d na lista.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "creé na lista con l'element %1 arpetù %2 vire";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "A crea na lista ch'a consist dël valor dàit arpetù ël nùmer ëspessificà ëd vire.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "anversé %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Anversé na còpia ëd na lista";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "tanme";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "anserì an";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "buté";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "A anseriss l'element al prinsipi ëd na lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "A anseriss l'element a la posission ëspessificà an na lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Gionté l'element a la fin ëd na lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "A anseriss l'element a l'ancàpit an na lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "A fissa ël prim element an na lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "A fissa l'element a la posission ëspessificà an na lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "A fissa l'ùltim element an na lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "A fissa n'element a l'ancàpit an na lista.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "chërsent";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "calant";
-Blockly.Msg["LISTS_SORT_TITLE"] = "ordiné %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Ordiné na còpia ëd na lista.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabétich, ignorand ël caràter minùscol o majùscol";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numérich";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabétich";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "fé na lista da 'n test";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "fé 'n test da na lista";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Gionze na lista ëd test ant un test sol, separandje con un separator.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Divide un test an na lista ëd test, tajand a minca 'n separator.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "con ël separator";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "fàuss";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "A rëspond ver o fàuss.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "ver";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Rësponde ver si le doe imission a son uguaj.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Rësponde ver si la prima imission a l'é pi granda che la sconda.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Rësponde ver si la prima imission a l'é pi granda o ugual a la sconda.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Rësponde ver si la prima imission a l'é pi cita dla sconda.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Rësponde ver si la prima imission a l'é pi cita o ugual a la sconda.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Rësponde ver si le doe imission a son nen uguaj.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "nen %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "A rëspond ver se l'imission a l'é fàussa. A rëspond fàuss se l'imission a l'é vera.";
-Blockly.Msg["LOGIC_NULL"] = "gnente";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "A rëspond gnente.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "e";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "o";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Rësponde ver se tute doe j'imission a son vere.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Rësponde ver se almanch un-a d'imission a l'é vera.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "preuva";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "se fàuss";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "se ver";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Controlé la condission an 'preuva'. Se la condission a l'é vera, a rëspond con ël valor 'se ver'; dësnò a rëspond con ël valor 'se fàuss'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "A smon la soma ëd doi nùmer.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "A smon ël cossient dij doi nùmer.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "A smon la diferensa dij doi nùmer.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "A smon ël prodot dij doi nùmer.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "A smon ël prim nùmer alvà a la potensa dël second.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 ëd X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "A rëspond con l'arch-tangent dël pont (X, Y) an gre da -180 a 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "ancrementé %1 për %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Gionté un nùmer a la variàbil '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "A smon un-a dle costante comun-e π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…) o ∞ (infinì).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "limité %1 antra %2 e %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Limité un nùmer a esse antra le limitassion ëspessificà (comprèise).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "a l'é divisìbil për";
-Blockly.Msg["MATH_IS_EVEN"] = "a l'é cobi";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "a l'é negativ";
-Blockly.Msg["MATH_IS_ODD"] = "a l'é dëscobi";
-Blockly.Msg["MATH_IS_POSITIVE"] = "a l'é positiv";
-Blockly.Msg["MATH_IS_PRIME"] = "a l'é prim";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "A contròla si un nùmer a l'é cobi, dëscobi, prim, antreghm positiv, negativ, o s'a l'é divisìbil për un nùmer dàit. A rëspond ver o fàuss.";
-Blockly.Msg["MATH_IS_WHOLE"] = "a l'é antregh";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "resta ëd %1:%2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "A smon la resta ëd la division dij doi nùmer.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Un nùmer.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "media dla lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "màssim ëd la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "mesan-a dla lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "mìnim ëd la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "mòde dla lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "element a l'ancàpit ëd la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "deviassion ëstàndard ëd la lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "soma dla lista";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "A smon la media (aritmética) dij valor numérich ant la lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "A smon ël pi gròss nùmer ëd la lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "A smon ël nùmer mesan ëd la lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "A smon ël pi cit nùmer ëd la lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "A smon na lista dj'element pi frequent ëd la lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "A smon n'element a l'ancàpit da la lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "A smon la deviassion ëstàndard ëd la lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "A smon la soma ëd tuti ij nùmer ant la lista.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "frassion aleatòria";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "A smon na frassion aleatòria antra 0,0 (comprèis) e 1,0 (esclus).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "antregh aleatòri antra %1 e %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "A smon n'antregh aleatòri antra ij doi lìmit ëspessificà, comprèis.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "ariondé";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "ariondé për difet";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "ariondé për ecess";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "A arionda un nùmer për difet o ecess.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "assolù";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "rèis quadra";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "A smon ël valor assolù d'un nùmer.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "A smon e a la potensa d'un nùmer.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "A smon ël logaritm natural d'un nùmer.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "A smon ël logaritm an base 10 d'un nùmer.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "A smon l'opòst d'un nùmer.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "A smon 10 a la potensa d'un nùmer.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "A smon la rèis quadra d'un nùmer.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "A smon l'arch-cosen d'un nùmer.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "A smon l'arch-sen d'un nùmer.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "A smon l'arch-tangenta d'un nùmer.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "A smon ël cosen ëd n'àngol an gré (pa an radiant).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "A smon ël sen ëd n'àngol an gré (pa an radiant).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "A smon la tangenta ëd n'àngol an gré (pa an radiant).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Creé na variàbil ëd color...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Creé na variàbil numérica...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Creé na variàbil dë stringa...";
-Blockly.Msg["NEW_VARIABLE"] = "Creé na variàbil...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nòm ëd la neuva variàbil:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Neuva sòrt ëd variàbil:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "përmëtte le diciairassion";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "con:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Eseguì la fonsion '%1' definìa da l'utent.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Eseguì la fonsion '%1' definìa da l'utent e dovré sò arzultà.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "con:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Creé '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Descrive sa fonsion...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "fé cheicòs";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "a";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "A crea na fonsion sensa surtìa.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "artorn";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "A crea na fonsion con na surtìa.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Atension: Costa fonsion a l'ha dij paràmeter duplicà.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Sot-ligné la definission dla fonsion";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Se un valor a l'é ver, antlora smon-e un second valor.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Atension: Ës blòch a podria esse dovrà mach an na definission ëd fonsion.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "nòm ëd l'imission:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Gionté n'imission a la fonsion.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "imission";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Gionté, gavé o riordiné j'imission ëd sa fonsion.";
-Blockly.Msg["REDO"] = "Fé torna";
-Blockly.Msg["REMOVE_COMMENT"] = "Scancelé un coment";
-Blockly.Msg["RENAME_VARIABLE"] = "Arnomé la variàbil...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Arnomé tute le variàbij '%1' 'me:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "a %1 taché ël test %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Taché dël test a la variàbil '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "an minùscul";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "an Majùscol A L'Ancamin Ëd Minca Paròla";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "an MAJÙSCOL";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "A smon na còpia dël test ant un caràter diferent.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "oten-e la prima litra";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "oten-e la litra # da la fin";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "oten-e la litra #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "oten-e l'ùltima litra";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "oten-e na litra a l'ancàpit";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "ant ël test %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "A smon la litra ant la posission ëspessificà.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "nùmer %1 su %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Conté vàire vire un test dàit a compariss an n'àutr test.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Gionté n'element al test.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "gionze";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Gionté, gavé o riordiné le session për configuré torna ës blòch ëd test.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "fin-a a la litra # da la fin";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "fin-a a la litra #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "fin-a a l'ùltima litra";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "ant ël test";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "oten-e la sota-stringa da la prima litra";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "oten-e la sota-stringa da la litra # da la fin";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "oten-e la sota-stringa da la litra #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "A smon un tòch ëspessificà dël test.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "trové la prima ocorensa dël test";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "trové l'ùltima ocorensa dël test";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "ant ël test %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "A smon l'ìndes dla prima/ùltima ocorensa dël prim test ant ël second test. A smon %1 se ël test a l'é nen trovà.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 a l'é veuid";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "A smon ver se ël test fornì a l'é veuid.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "creé ël test con";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Creé un tòch ëd test an gionzend un nùmer qualsëssìa d'element.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "longheur ëd %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "A smon ël nùmer ëd litre (spassi comprèis) ant ël test fornì.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "smon-e %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Smon-e ël test, ël nùmer o n'àutr valor ëspessificà.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Ciamé un nùmer a l'utent.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Ciamé un test a l'utent.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "anvit për un nùmer con un mëssagi";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "anvit për un test con un mëssagi";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "rampiassé %1 con %2 an %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Rampiassé tute j'ocorense d'un test con n'àutr.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "Anversé %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Anversé l'òrdin dij caràter ant ël test.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Na litra, na paròla o na linia ëd test.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "gavé jë spassi da le doe bande ëd";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "gavé jë spassi da la banda snistra ëd";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "gavé jë spassi da la banda drita ëd";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "A smon na còpia dël test con jë spassi gavà da n'estremità o da tute doe.";
-Blockly.Msg["TODAY"] = "Ancheuj";
-Blockly.Msg["UNDO"] = "Anulé";
-Blockly.Msg["UNNAMED_KEY"] = "anònim";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "element";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Creé 'fissé %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "A smon ël valor ëd sa variàbil.";
-Blockly.Msg["VARIABLES_SET"] = "fissé %1 a %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Creé 'oten-e %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Fissé costa variàbil ugual al valor d'imission.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Na variàbil con ël nòm '%1' a esist già.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Na variàbil ciamà '%1' a esist già për n'àutra sòrt: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Spassi ëd travaj ëd Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Dì cheicòs...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/pt-br.js b/msg/js/pt-br.js
deleted file mode 100644
index c40c383e453..00000000000
--- a/msg/js/pt-br.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Adicionar comentário";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Não se pode deletar a variável '%1' porque é parte da definição da função '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Mudar valor:";
-Blockly.Msg["CLEAN_UP"] = "Limpar blocos";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Bloqueios recolhidos contêm avisos.";
-Blockly.Msg["COLLAPSE_ALL"] = "Colapsar Blocos";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Colapsar Bloco";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "cor 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "cor 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "proporção";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "misturar";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Mistura duas cores em uma dada proporção (0,0 - 1,0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://pt.wikipedia.org/wiki/Cor";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Escolher uma cor da palheta de cores.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "cor aleatória";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Escolher cor de forma aleatória.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "azul";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "verde";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "vermelho";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "colorir com";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Criar uma cor com a quantidade especificada de vermelho, verde e azul. Todos os valores devem estar entre 0 e 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "encerra o laço";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continua com a próxima iteração do laço";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Encerra o laço.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Ignora o resto deste laço, e continua com a próxima iteração.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Atenção: Este bloco só pode ser usado dentro de um laço.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "para cada item %1 na lista %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Para cada item em uma lista, atribua o item à variável '%1' e então realize algumas instruções.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "contar com %1 de %2 até %3 por %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Faça com que a variável '%1' assuma os valores do número inicial ao número final, contando de acordo com o intervalo especificado e execute os blocos especificados.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Acrescente uma condição para o bloco se.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Acrescente uma condição final para o bloco se.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Acrescente, remova ou reordene seções para reconfigurar este bloco.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "senão";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "senão se";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "se";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Se um valor for verdadeiro, então realize algumas instruções.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Se um valor for verdadeiro, então realize o primeiro bloco de instruções. Senão, realize o segundo bloco de instruções.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Se o primeiro valor é verdadeiro, então realize o primeiro bloco de instruções.  Senão, se o segundo valor é verdadeiro, realize o segundo bloco de instruções.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Se o primeiro valor for verdadeiro, então realize o primeiro bloco de instruções. Senão, se o segundo valor é verdadeiro, realize o segundo bloco de instruções. Se nenhum dos blocos for verdadeiro, realize o último bloco de instruções.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://pt.wikipedia.org/wiki/Estrutura_de_repeti%C3%A7%C3%A3o#Repeti.C3.A7.C3.A3o_com_vari.C3.A1vel_de_controle";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "faça";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "repita %1 vezes";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Faça algumas instruções várias vezes.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "repita até";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "repita enquanto";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Enquanto um valor for falso, então faça algumas instruções.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Enquanto um valor for verdadeiro, então faça algumas instruções.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Deletar todos os blocos %1?";
-Blockly.Msg["DELETE_BLOCK"] = "Deletar bloco";
-Blockly.Msg["DELETE_VARIABLE"] = "Deletar a variável '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Deletar %1 usos da variável '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Deletar %1 blocos";
-Blockly.Msg["DISABLE_BLOCK"] = "Desabilitar bloco";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplicar";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicar comentário";
-Blockly.Msg["ENABLE_BLOCK"] = "Habilitar bloco";
-Blockly.Msg["EXPAND_ALL"] = "Expandir blocos";
-Blockly.Msg["EXPAND_BLOCK"] = "Expandir bloco";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Entradas externas";
-Blockly.Msg["HELP"] = "Ajuda";
-Blockly.Msg["INLINE_INPUTS"] = "Entradas incorporadas";
-Blockly.Msg["IOS_CANCEL"] = "blockly:IOS Cancelar/pt-br";
-Blockly.Msg["IOS_ERROR"] = "Erro";
-Blockly.Msg["IOS_OK"] = "Ok";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Adicionar Entrada";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Permitir declarações";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Essa função tem entradas duplicadas.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ENTRADAS";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Adicionar";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Adicionar Variável";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Deletar";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Você não pode usar um nome de variável vazio.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Blockly:Renomear varioas botoens/pt-br";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Nome variavel";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "criar lista vazia";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Retorna uma lista, de tamanho 0, contendo nenhum registro";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "lista";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Acrescenta, remove ou reordena seções para reconfigurar este bloco de lista.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "criar lista com";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Acrescenta um item à lista.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Cria uma lista com a quantidade de itens informada.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "primeiro";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "nº a partir do final";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "nº";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "obter";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "obter e remover";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "último";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "aleatório";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "remover";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Retorna o primeiro item em uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Retorna o item da lista na posição especificada.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Retorna o último item em uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Retorna um item aleatório de uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Remove e retorna o primeiro item de uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Remove e retorna o item na posição especificada em uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Remove e retorna o último item de uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Remove e retorna um item aleatório de uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Remove o primeiro item de uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Remove o item na posição especificada em uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Remove o último item de uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Remove um item aleatório de uma lista.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "até nº a partir do final";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "até nº";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "até último";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "obtém sublista a partir do primeiro";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "obtém sublista de nº a partir do final";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "obtém sublista de nº";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Cria uma cópia da porção especificada de uma lista.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 é o último item.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 é o primeiro item.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "encontre a primeira ocorrência do item";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "encontre a última ocorrência do item";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Retorna o índice da primeira/última ocorrência do item na lista.  Retorna %1 se o item não for encontrado.";
-Blockly.Msg["LISTS_INLIST"] = "na lista";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 é vazia";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Retorna ao verdadeiro se a lista estiver vazia.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "tamanho de %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Retorna o tamanho de uma lista.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "criar lista com item %1 repetido %2 vezes";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Cria uma lista consistindo no valor informado repetido o número de vezes especificado.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Listas#invertendo-uma-lista";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "inverter %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Inverter uma cópia da lista.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "como";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "inserir em";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "definir";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Insere o item no início de uma lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Insere o item na posição especificada em uma lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Insere o item no final de uma lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Insere o item em uma posição qualquer de uma lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Define o primeiro item de uma lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Define o item da posição especificada de uma lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Define o último item de uma lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Define um item aleatório de uma lista.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascendente";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descendente";
-Blockly.Msg["LISTS_SORT_TITLE"] = "ordenar %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Ordenar uma cópia de uma lista.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabético, ignorar maiúscula/minúscula";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numérico";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabético";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "Fazer uma lista a partir do texto";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "fazer um texto a partir da lista";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Juntar uma lista de textos em um único texto, separado por um delimitador.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Dividir o texto em uma lista de textos, separando-o em cada delimitador.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "com delimitador";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "falso";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Retorna verdadeiro ou falso.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "verdadeiro";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://pt.wikipedia.org/wiki/Inequa%C3%A7%C3%A3o";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Retorna verdadeiro se ambas as entradas forem iguais.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Retorna verdadeiro se a primeira entrada for maior que a segunda entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Retorna verdadeiro se a primeira entrada for maior ou igual à segunda entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Retorna verdadeiro se a primeira entrada for menor que a segunda entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Retorna verdadeiro se a primeira entrada for menor ou igual à segunda entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Retorna verdadeiro se ambas as entradas forem diferentes.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "não %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Retorna verdadeiro se a entrada for falsa.  Retorna falsa se a entrada for verdadeira.";
-Blockly.Msg["LOGIC_NULL"] = "nulo";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Retorna nulo.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "e";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ou";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Retorna verdadeiro se ambas as entradas forem verdadeiras.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Retorna verdadeiro se uma das estradas for verdadeira.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "teste";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "se falso";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "se verdadeiro";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Avalia a condição em \"teste\". Se a condição for verdadeira retorna o valor \"se verdadeiro\", senão retorna o valor \"se falso\".";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://pt.wikipedia.org/wiki/Aritm%C3%A9tica";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Retorna a soma dos dois números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Retorna o quociente da divisão dos dois números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Retorna a diferença entre os dois números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Retorna o produto dos dois números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Retorna o primeiro número elevado à potência do segundo número.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 de X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Retorne o arco tangente do ponto (X, Y) em graus de -180 a 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://pt.wikipedia.org/wiki/Adi%C3%A7%C3%A3o";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "alterar %1 por %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Soma um número à variável \"%1\".";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://pt.wikipedia.org/wiki/Anexo:Lista_de_constantes_matem%C3%A1ticas";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Retorna uma das constantes comuns: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), ou ∞ (infinito).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "restringe %1 inferior %2 superior %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Restringe um número entre os limites especificados (inclusivo).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "é divisível por";
-Blockly.Msg["MATH_IS_EVEN"] = "é par";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "é negativo";
-Blockly.Msg["MATH_IS_ODD"] = "é ímpar";
-Blockly.Msg["MATH_IS_POSITIVE"] = "é positivo";
-Blockly.Msg["MATH_IS_PRIME"] = "é primo";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Verifica se um número é par, ímpar, inteiro, positivo, negativo, ou se é divisível por outro número.  Retorna verdadeiro ou falso.";
-Blockly.Msg["MATH_IS_WHOLE"] = "é inteiro";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://pt.wikipedia.org/wiki/Opera%C3%A7%C3%A3o_m%C3%B3dulo";
-Blockly.Msg["MATH_MODULO_TITLE"] = "resto da divisão de %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Retorna o resto da divisão de dois números.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://pt.wikipedia.org/wiki/N%C3%BAmero";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Um número.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "média da lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "maior da lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "mediana da lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "menor da lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "moda da lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "item aleatório da lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "desvio padrão da lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "soma de uma lista";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Retorna a média aritmética dos números da lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Retorna o maior número da lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Retorna a mediana dos números da lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Retorna o menor número da lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Retorna uma lista do(s) item(ns) mais comum(ns) da lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Retorna um elemento aleatório da lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Retorna o desvio padrão dos números da lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Retorna a soma de todos os números na lista.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://pt.wikipedia.org/wiki/Gerador_de_n%C3%BAmeros_pseudoaleat%C3%B3rios";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "fração aleatória";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Retorna uma fração aleatória entre 0.0 (inclusivo) e 1.0 (exclusivo).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://pt.wikipedia.org/wiki/Gerador_de_n%C3%BAmeros_pseudoaleat%C3%B3rios";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "inteiro aleatório entre %1 e %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Retorna um número inteiro entre os dois limites informados, inclusivo.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://pt.wikipedia.org/wiki/Arredondamento";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "arredonda";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "arredonda para baixo";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "arredonda para cima";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Arredonda um número para cima ou para baixo.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://pt.wikipedia.org/wiki/Raiz_quadrada";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absoluto";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "raiz quadrada";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Retorna o valor absoluto de um número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Retorna o número e elevado à potência de um número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Retorna o logaritmo natural de um número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Retorna o logaritmo em base 10 de um número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Retorna o oposto de um número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Retorna 10 elevado à potência de um número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Retorna a raiz quadrada de um número.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://pt.wikipedia.org/wiki/Fun%C3%A7%C3%A3o_trigonom%C3%A9trica";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Retorna o arco cosseno de um número.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Retorna o arco seno de um número.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Retorna o arco tangente de um número.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Retorna o cosseno de um grau (não radiano).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Retorna o seno de um grau (não radiano).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Retorna a tangente de um grau (não radiano).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Criar variável colorida...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Criar variável numérica...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Criar variável de segmentos de texto...";
-Blockly.Msg["NEW_VARIABLE"] = "Criar variável...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nome da nova variável:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Tipo da nova variável:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "permitir declarações";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "com:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://pt.wikipedia.org/wiki/M%C3%A9todo_(programa%C3%A7%C3%A3o)";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Executa a função definida pelo usuário \"%1\".";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://pt.wikipedia.org/wiki/Sub-rotina";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Executa a função definida pelo usuário \"%1\" e usa seu retorno.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "com:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Criar \"%1\"";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Descreva esta função...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://pt.wikipedia.org/wiki/M%C3%A9todo_(programa%C3%A7%C3%A3o)";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "faça algo";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "para";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Cria uma função que não tem retorno.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://pt.wikipedia.org/wiki/M%C3%A9todo_(programa%C3%A7%C3%A3o)";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "retorna";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Cria uma função que possui um valor de retorno.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Atenção: Esta função tem parâmetros duplicados.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Destacar definição da função";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Se um valor é verdadeiro, então retorna um valor.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Atenção: Este bloco só pode ser utilizado dentro da definição de uma função.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "nome da entrada:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Adiciona uma entrada para esta função";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "entradas";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Adiciona, remove, ou reordena as entradas para esta função.";
-Blockly.Msg["REDO"] = "Refazer";
-Blockly.Msg["REMOVE_COMMENT"] = "Remover comentário";
-Blockly.Msg["RENAME_VARIABLE"] = "Renomear variável...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Renomear todas as variáveis '%1' para:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "para %1 anexar texto %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Acrescentar um pedaço de texto à variável \"%1\".";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "para minúsculas";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "para Nomes Próprios";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "para MAIÚSCULAS";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Retorna uma cópia do texto em um formato diferente.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "obter primeira letra";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "obter letra # a partir do final";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "obter letra nº";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "obter última letra";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "obter letra aleatória";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "no texto %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Retorna a letra na posição especificada.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "Contar %1 em %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Calcule quantas vezes algum texto aparece centro de algum outro texto.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Acrescentar um item ao texto.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "unir";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Acrescenta, remove ou reordena seções para reconfigurar este bloco de texto.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "até letra nº a partir do final";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "até letra nº";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "até última letra";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "no texto";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "obter trecho de primeira letra";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "obter trecho de letra nº a partir do final";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "obter trecho de letra nº";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Retorna o trecho de texto especificado.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "encontre a primeira ocorrência do item";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "encontre a última ocorrência do texto";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "no texto %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Retorna a posição da primeira/última ocorrência do primeiro texto no segundo texto.  Retorna %1 se o texto não for encontrado.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 é vazio";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Retorna verdadeiro se o texto fornecido for vazio.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "criar texto com";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Criar um pedaço de texto juntando qualquer número de itens.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "tamanho de %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Retorna o número de letras (incluindo espaços) no texto fornecido.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";
-Blockly.Msg["TEXT_PRINT_TITLE"] = "imprime %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Imprime o texto, número ou valor especificado.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Pede ao usuário um número.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Pede ao usuário um texto.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "Pede um número com uma mensagem";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "Pede um texto com uma mensagem";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Texto#substituindo-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "substituir %1 por %2 em %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Substitua todas as ocorrências de algum texto dentro de algum outro texto.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Texto#invertendo-texto";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "inverter %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Inverter a ordem dos caracteres no texto.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://pt.wikipedia.org/wiki/Cadeia_de_caracteres";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Uma letra, palavra ou linha de texto.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "remover espaços de ambos os lados de";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "remover espaços à esquerda de";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "remover espaços à direita de";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Retorna uma cópia do texto com os espaços removidos de uma ou ambas extremidades.";
-Blockly.Msg["TODAY"] = "Hoje";
-Blockly.Msg["UNDO"] = "Desfazer";
-Blockly.Msg["UNNAMED_KEY"] = "Sem título";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "item";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Criar \"definir %1\"";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Retorna o valor desta variável.";
-Blockly.Msg["VARIABLES_SET"] = "definir %1 para %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Criar \"obter %1\"";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Define esta variável para o valor da entrada.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variável chamada '%1' já existe.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Já existe uma variável chamada '%1' para outra do tipo: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Espaço de trabalho do Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Diz algo...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/pt.js b/msg/js/pt.js
deleted file mode 100644
index 7804f40dd3f..00000000000
--- a/msg/js/pt.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Adicionar Comentário";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Não se pode eliminar a variável '%1' porque faz parte da definição da função '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Alterar valor:";
-Blockly.Msg["CLEAN_UP"] = "Limpar Blocos";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Os blocos ocultados contêm avisos.";
-Blockly.Msg["COLLAPSE_ALL"] = "Ocultar Blocos";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Ocultar Bloco";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "cor 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "cor 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "proporção";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "misturar";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Mistura duas cores com a proporção indicada (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "http://pt.wikipedia.org/wiki/Cor";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Escolha uma cor da paleta de cores.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "cor aleatória";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Escolha uma cor aleatoriamente.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "azul";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "verde";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "vermelho";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "pinte com";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Cria uma cor de acordo com a quantidade especificada de vermelho, verde e azul. Todos os valores devem estar entre 0 e 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "sair do ciclo";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continuar com a próxima iteração do ciclo";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Sair do ciclo que está contido.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Ignorar o resto deste ciclo, e continuar com a próxima iteração.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Aviso: Este bloco só pode ser usado dentro de um ciclo.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "para cada item %1 na lista %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Para cada item numa lista, define a variável \"%1\" para o item e então faz algumas instruções.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "contar com %1 de %2 até %3 por %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Faz com que a variável \"%1\" assuma os valores desde o número inicial até ao número final, contando de acordo com o intervalo especificado e executa os blocos especificados.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Acrescente uma condição ao bloco se.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Acrescente uma condição de excepação final para o bloco se.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Acrescente, remova ou reordene secções para reconfigurar este bloco se.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "senão";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "senão se";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "se";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Se um valor é verdadeiro, então realize alguns passos.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Se um valor é verdadeiro, então realize o primeiro bloco de instruções.  Senão, realize o segundo bloco de instruções";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Se o primeiro valor é verdadeiro, então realize o primeiro bloco de instruções.  Senão, se o segundo valor é verdadeiro, realize o segundo bloco de instruções.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Se o primeiro valor é verdadeiro, então realize o primeiro bloco de instruções.  Senão, se o segundo valor é verdadeiro, realize o segundo bloco de instruções.  Se nenhum dos blocos for verdadeiro, realize o último bloco de instruções.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "http://pt.wikipedia.org/wiki/Estrutura_de_repeti%C3%A7%C3%A3o#Repeti.C3.A7.C3.A3o_com_vari.C3.A1vel_de_controle";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "faça";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "repetir %1 vez";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Faça algumas instruções várias vezes.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "repetir até";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "repetir enquanto";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Enquanto um valor for falso, então faça algumas instruções.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Enquanto um valor for verdadeiro, então faça algumas instruções.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Eliminar todos os %1 blocos?";
-Blockly.Msg["DELETE_BLOCK"] = "Eliminar Bloco";
-Blockly.Msg["DELETE_VARIABLE"] = "Eliminar a variável '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Eliminar %1 utilizações da variável '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Eliminar %1 Blocos";
-Blockly.Msg["DISABLE_BLOCK"] = "Desativar Bloco";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplicar";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicar comentário";
-Blockly.Msg["ENABLE_BLOCK"] = "Ativar Bloco";
-Blockly.Msg["EXPAND_ALL"] = "Expandir Blocos";
-Blockly.Msg["EXPAND_BLOCK"] = "Expandir Bloco";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Entradas Externas";
-Blockly.Msg["HELP"] = "Ajuda";
-Blockly.Msg["INLINE_INPUTS"] = "Entradas Em Linhas";
-Blockly.Msg["IOS_CANCEL"] = "Cancelar";
-Blockly.Msg["IOS_ERROR"] = "Erro";
-Blockly.Msg["IOS_OK"] = "Aceitar";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Adicionar entrada";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Permitir declarações";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Essa função tem entradas duplicadas.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ENTRADAS";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Adicionar";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Adicionar Variável";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Eliminar";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Você não pode usar um nome de variável vazio.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Renomear";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Nome da variável";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "criar lista vazia";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Retorna uma lista, de tamanho 0, contendo nenhum registo";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "lista";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Acrescente, remova ou reordene as seções para reconfigurar este bloco lista.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "criar lista com";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Acrescenta um item à lista.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Cria uma lista com qualquer número de itens.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "primeiro";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# a partir do final";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "obter";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "obter e remover";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "último";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "aleatório";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "remover";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Retorna o primeiro item de uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Retorna o item na posição especificada da lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Retorna o último item de uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Retorna um item aleatório de uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Remove e retorna o primeiro item de uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Remove e retorna o item na posição especificada de uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Remove e retorna o último item de uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Remove e retorna um item aleatório de uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Remove o primeiro item de uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Remove o item de uma posição especifica da lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Remove o último item de uma lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Remove um item aleatório de uma lista.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "até #, a partir do final";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "até #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "para o último";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "obtem sublista da primeira lista";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "obtem sublista de # a partir do final";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "obtem sublista de #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Cria uma cópia da porção especificada de uma lista.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 é o último item.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 é o primeiro item.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "encontre a primeira ocorrência do item";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "encontre a última ocorrência do item";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Retorna a posição da primeira/última ocorrência do item na lista.  Retorna %1 se o item não for encontrado.";
-Blockly.Msg["LISTS_INLIST"] = "na lista";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 está vazia";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Retona verdadeiro se a lista estiver vazia.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "tamanho de %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Retorna o tamanho de uma lista.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "criar lista com o item %1 repetido %2 vezes";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Cria uma lista constituída por um dado valor repetido o número de vezes especificado.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "inverter %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Inverter uma cópia da lista.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "como";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "inserir em";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "definir";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Insere o item no início da lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Insere o item numa posição especificada numa lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Insere o item no final da lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Insere o item numa posição aleatória de uma lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Define o primeiro item de uma lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Define o item na posição especificada de uma lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Define o último item de uma lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Define um item aleatório de uma lista.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascendente";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descendente";
-Blockly.Msg["LISTS_SORT_TITLE"] = "ordenar %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Ordenar uma cópia de uma lista.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabética, ignorar maiúsculas/minúsculas";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numérica";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabética";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "fazer lista a partir de texto";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "fazer texto a partir da lista";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Juntar uma lista de textos num único texto, separado por um delimitador.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Dividir o texto numa lista de textos, separando-o em cada delimitador.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "com delimitador";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "falso";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Retorna verdadeiro ou falso.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "verdadeiro";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "http://pt.wikipedia.org/wiki/Inequa%C3%A7%C3%A3o";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Retorna verdadeiro se ambas as entradas forem iguais entre si.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Retorna verdadeiro se a primeira entrada for maior que a segunda entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Retorna verdadeiro se a primeira entrada for maior ou igual à segunda entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Retorna verdadeiro se a primeira entrada for menor que a segunda entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Retorna verdadeiro se a primeira entrada for menor ou igual à segunda entrada.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Retorna verdadeiro se ambas as entradas forem diferentes entre si.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "não %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Retorna verdadeiro se a entrada for falsa.  Retorna falso se a entrada for verdadeira.";
-Blockly.Msg["LOGIC_NULL"] = "nulo";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "http://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Retorna nulo.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "e";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ou";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Retorna verdadeiro se ambas as entradas forem verdadeiras.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Retorna verdadeiro se pelo menos uma das estradas for verdadeira.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "teste";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "http://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "se falso";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "se verdadeiro";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Avalia a condição em \"teste\". Se a condição for verdadeira retorna o valor \"se verdadeiro\", senão retorna o valor \"se falso\".";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "http://pt.wikipedia.org/wiki/Aritm%C3%A9tica";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Retorna a soma de dois números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Retorna o quociente da divisão de dois números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Retorna a diferença de dois números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Retorna o produto de dois números.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Retorna o primeiro número elevado à potência do segundo número.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 de X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Devolver o arco tangente do ponto (X, Y) em graus entre -180 e 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "http://pt.wikipedia.org/wiki/Adi%C3%A7%C3%A3o";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "alterar %1 por %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Soma um número à variável \"%1\".";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "http://pt.wikipedia.org/wiki/Anexo:Lista_de_constantes_matem%C3%A1ticas";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Retorna uma das constantes comuns: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), ou ∞ (infinito).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "restringe %1 inferior %2 superior %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Restringe um número entre os limites especificados (inclusive).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "é divisível por";
-Blockly.Msg["MATH_IS_EVEN"] = "é par";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "é negativo";
-Blockly.Msg["MATH_IS_ODD"] = "é impar";
-Blockly.Msg["MATH_IS_POSITIVE"] = "é positivo";
-Blockly.Msg["MATH_IS_PRIME"] = "é primo";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Verifica se um número é par, impar, primo, inteiro, positivo, negativo, ou se é divisível por outro número.  Retorna verdadeiro ou falso.";
-Blockly.Msg["MATH_IS_WHOLE"] = "é inteiro";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "http://pt.wikipedia.org/wiki/Opera%C3%A7%C3%A3o_m%C3%B3dulo";
-Blockly.Msg["MATH_MODULO_TITLE"] = "resto da divisão de %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Retorna o resto da divisão de dois números.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "http://pt.wikipedia.org/wiki/N%C3%BAmero";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Um número.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "média de uma lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "maior de uma lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "mediana de uma lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "menor de uma lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "moda de uma lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "item aleatório de uma lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "desvio padrão de uma lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "soma da lista";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Retorna a média aritmética dos valores números da lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Retorna o maior número da lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Retorna a mediana da lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Retorna o menor número da lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Retorna a lista de item(ns) mais comum(ns) da lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Retorna um elemento aleatório da lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Retorna o desvio padrão dos números da lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Retorna a soma de todos os números da lista.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "http://pt.wikipedia.org/wiki/N%C3%BAmero_aleat%C3%B3rio";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "fração aleatória";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Insere uma fração aleatória entre 0.0 (inclusive) e 1.0 (exclusive).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "http://pt.wikipedia.org/wiki/N%C3%BAmero_aleat%C3%B3rio";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "inteiro aleatório entre %1 e %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Retorna um número inteiro entre os dois limites especificados, inclusive.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "http://pt.wikipedia.org/wiki/Arredondamento";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "arredonda";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "arredonda para baixo";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "arredonda para cima";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Arredonda um número para cima ou para baixo.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "http://pt.wikipedia.org/wiki/Raiz_quadrada";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absoluto";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "raíz quadrada";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Retorna o valor absoluto de um número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Retorna o número e elevado à potência de um número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Retorna o logarítmo natural de um número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Retorna o logarítmo em base 10 de um número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Retorna o oposto de um número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Retorna 10 elevado à potência de um número.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Retorna a raiz quadrada de um número.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "http://pt.wikipedia.org/wiki/Fun%C3%A7%C3%A3o_trigonom%C3%A9trica";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Retorna o arco cosseno de um número.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Retorna o arco seno de um número.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Retorna o arco tangente de um número.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Retorna o cosseno de um grau (não radiano).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Retorna o seno de um grau (não radiano).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Retorna a tangente de um grau (não radiano).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Criar variável colorida...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Criar variável numérica...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Criar variável de segmentos de texto...";
-Blockly.Msg["NEW_VARIABLE"] = "Criar variável…";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nome da nova variável:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Tipo da nova variável:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "permitir declarações";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "com:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://pt.wikipedia.org/wiki/Sub-rotina";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Executa a função \"%1\".";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://pt.wikipedia.org/wiki/Sub-rotina";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Executa a função \"%1\" e usa o seu retorno.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "com:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Criar \"%1\"";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Descreva esta função...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "http://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "faz algo";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "para";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Cria uma função que não tem retorno.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "http://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "retorna";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Cria uma função que possui um valor de retorno.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Aviso: Esta função tem parâmetros duplicados.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Destacar definição da função";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "se o valor é verdadeiro, então retorna um segundo valor.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Aviso: Este bloco só pode ser utilizado dentro da definição de uma função.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "nome da entrada:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Adicionar uma entrada para a função.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "entradas";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Adicionar, remover ou reordenar as entradas para esta função.";
-Blockly.Msg["REDO"] = "Refazer";
-Blockly.Msg["REMOVE_COMMENT"] = "Remover Comentário";
-Blockly.Msg["RENAME_VARIABLE"] = "Renomear variável...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Renomear todas as variáveis '%1' para:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "para %1 acrescentar texto %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Acrescentar um pedaço de texto à variável \"%1\".";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "para minúsculas";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "para Iniciais Maiúsculas";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "para MAIÚSCULAS";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Retorna uma cópia do texto em formato diferente.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "obter primeira letra";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "obter letra nº a partir do final";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "obter letra nº";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "obter última letra";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "obter letra aleatória";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "no texto %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Retorna a letra na posição especificada.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "contar %1 em %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Conte quantas vezes um certo texto aparece dentro de algum outro texto.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Acrescentar um item ao texto.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "unir";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Acrescenta, remove ou reordena seções para reconfigurar este bloco de texto.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "até letra nº a partir do final";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "até letra nº";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "até última letra";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "no texto";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "obter subsequência a partir da primeira letra";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "obter subsequência de tamanho # a partir do final";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "obter subsequência de tamanho #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Retorna a parte especificada do texto.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "primeira ocorrência do texto";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "última ocorrência do texto";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "no texto %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Retorna a posição da primeira/última ocorrência do primeiro texto no segundo texto. Retorna %1 se o texto não for encontrado.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 está vazio";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Retorna verdadeiro se o texto fornecido estiver vazio.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "criar texto com";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Criar um pedaço de texto juntando qualquer número de itens.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "tamanho de %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Devolve o número de letras (incluindo espaços) do texto fornecido.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "imprime %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Imprime o texto, número ou outro valor especificado.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Pede ao utilizador um número.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Pede ao utilizador um texto.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "pede um número com a mensagem";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "Pede um texto com a mensagem";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "substituir %1 por %2 em %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Substituir todas as ocorrências de um certo texto dentro de algum outro texto.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "inverter %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Inverte a ordem dos caracteres no texto.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "http://pt.wikipedia.org/wiki/Cadeia_de_caracteres";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Uma letra, palavra ou linha de texto.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "remover espaços de ambos os lados";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "remover espaços à esquerda de";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "remover espaços à direita";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Retorna uma cópia do texto com os espaços removidos de uma ou ambas as extremidades.";
-Blockly.Msg["TODAY"] = "Hoje";
-Blockly.Msg["UNDO"] = "Desfazer";
-Blockly.Msg["UNNAMED_KEY"] = "sem nome";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "item";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Criar \"definir %1\"";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Retorna o valor desta variável.";
-Blockly.Msg["VARIABLES_SET"] = "definir %1 para %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Criar \"obter %1\"";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Define esta variável para o valor inserido.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Já existe uma variável com o nome de '%1'.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Já existe uma variável chamada '%1' para outra do tipo: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Espaço de trabalho de Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Diz algo...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/ro.js b/msg/js/ro.js
deleted file mode 100644
index 0464519e162..00000000000
--- a/msg/js/ro.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Adaugă un comentariu";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Nu se poate șterge variabila '%1' deoarece face parte din definiția funcției '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Schimbaţi valoarea:";
-Blockly.Msg["CLEAN_UP"] = "Curăță blocări";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Blocurile blocate conțin avertismente.";
-Blockly.Msg["COLLAPSE_ALL"] = "Restrange blocurile";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Restrange blocul";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "culoare 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "culoare 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "Raport";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "amestec";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Amestecă două culori cu un raport dat (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://ro.wikipedia.org/wiki/Culoare";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Alege o culoare din paleta de culori.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "culoare aleatorie";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Alege o culoare la întâmplare.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "albastru";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "verde";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "roşu";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "colorează cu";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Creează o culoare cu suma specificată de roşu, verde şi albastru.  Toate valorile trebuie să fie între 0 şi 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "ieşi din bucla";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continuă cu următoarea iterație a buclei";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Ieși din bucla care conţine.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Sari peste restul aceastei bucle, şi continuă cu urmatoarea iteratie.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Avertisment: Acest bloc pote fi utilizat numai în interiorul unei bucle.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "pentru fiecare element %1 în listă %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Pentru fiecare element din listă, setaţi variabila '%1' ca valoarea elementului, şi apoi faceţi unele declaraţii.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "numără cu %1 de la %2 la %3 prin %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Cu variablia \"%1\" ia o valoare din numărul început la numărul final, numara in intervalul specificat, apoi face blocurile specificate.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Adăugaţi o condiţie in blocul if.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Adauga o stare finala, cuprinde toata conditia din blocul if.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Adaugă, elimină sau reordonează secţiuni pentru a reconfigura acest bloc if.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "altfel";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "altfel dacă";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "dacă";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Dacă o valoare este adevărată, atunci fa unele declaraţii.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Dacă o valoare este adevărat, atunci face primul bloc de declaraţii.  Altfel, face al doilea bloc de declaraţii.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Dacă prima valoare este adevărat, atunci face primul bloc de declaraţii.  Altfel, dacă a doua valoare este adevărat, face al doilea bloc de declaraţii.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Dacă prima valoare este adevărat, atunci face primul bloc de declaraţii.  Altfel, dacă a doua valoare este adevărat, face al doilea bloc de declaraţii.  În cazul în care niciuna din  valorilor nu este adevărat, face ultimul bloc de declaraţii.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "fă";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "repetă de %1 ori";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Face unele afirmaţii de mai multe ori.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "Repetaţi până când";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "repetă în timp ce";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "În timp ce o valoare este adevărat, atunci face unele declaraţii.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "În timp ce o valoare este adevărat, atunci face unele declaraţii.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Ștergi toate cele %1 (de) blocuri?";
-Blockly.Msg["DELETE_BLOCK"] = "Șterge Bloc";
-Blockly.Msg["DELETE_VARIABLE"] = "Ștergeți variabila '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Șterge %1 utilizările variabilei '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Ștergeți %1 Blocuri";
-Blockly.Msg["DISABLE_BLOCK"] = "Dezactivaţi bloc";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplicate";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Coment duplicat";
-Blockly.Msg["ENABLE_BLOCK"] = "Permite bloc";
-Blockly.Msg["EXPAND_ALL"] = "Extinde blocuri";
-Blockly.Msg["EXPAND_BLOCK"] = "Extinde bloc";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Intrări externe";
-Blockly.Msg["HELP"] = "Ajutor";
-Blockly.Msg["INLINE_INPUTS"] = "Intrări în linie";
-Blockly.Msg["IOS_CANCEL"] = "Anulare";
-Blockly.Msg["IOS_ERROR"] = "Eroare";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Adăugați intrare";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Permite declarațiile";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Această funcție are intrări duplicate.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INTRĂRI";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Adaugă";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+Adăugați variabilă";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Ştergeți";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Nu puteți utiliza un nume de variabilă gol.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Redenumire";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Numele variabilei";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "creează listă goală";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returnează o listă, de lungime 0, care nu conţine înregistrări de date";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "listă";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Adaugă, elimină sau reordonează secţiuni ca să reconfiguraţi aceste blocuri de listă.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "creează listă cu";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Adăugaţi un element la listă.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Creaţi o listă cu orice număr de elemente.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "primul";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# de la sfârșit";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "obţine";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "obţine şi elimină";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "ultimul";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "aleator";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "elimină";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returnează primul element dintr-o listă.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returneaza elementul la poziţia specificată într-o listă.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returnează ultimul element într-o listă.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returneaza un element aleatoriu într-o listă.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Elimină şi returnează primul element într-o listă.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Elimină şi returneaza elementul la poziţia specificată într-o listă.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Elimină şi returnează ultimul element într-o listă.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Elimină şi returnează un element aleatoriu într-o listă.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Elimină primul element într-o listă.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Elimină elementul la poziţia specificată într-o listă.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Elimină ultimul element într-o listă.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Elimină un element aleatoriu într-o listă.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "la # de la sfarsit";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "la #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "la ultima";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "obţine sub-lista de la primul";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "obţine sub-lista de la # de la sfârşitul";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "obţine sub-lista de la #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creează o copie a porţiunii specificate dintr-o listă.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 este ultimul element.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 este primul element.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "Găseşte prima apariţie a elementului";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "găseşte ultima apariţie a elementului";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returnează indexul primei/ultimei apariții a articolului din listă. Returnează %1 dacă elementul nu este găsit.";
-Blockly.Msg["LISTS_INLIST"] = "în listă";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 este gol";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returnează adevărat dacă lista este goală.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "lungime de %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returnează lungimea unei liste.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "creaza lista cu %1 elemente repetate de %2 ori";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creează o listă alcătuită dintr-o anumită valoare repetată de numărul specificat de ori.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "inversă %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Inversați copia unei liste.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "ca";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "introduceţi la";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "seteaza";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserează elementul la începutul unei liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserează elementul la poziţia specificată într-o listă.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Adăugă elementul la sfârşitul unei liste.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserează elementul aleatoriu într-o listă.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Setează primul element într-o listă.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Setează elementul la poziţia specificată într-o listă.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Setează ultimul element într-o listă.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Setează un element aleator într-o listă.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "crescător";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descrescător";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sortați %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sortați o copie a unei liste.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabetic, ignorați cazul";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabetic";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "convertește textul în listă";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "convertește lista în text";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Concatenează o listă de texte (alternate cu separatorul) într-un text unic";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Împarte textul într-o listă de texte, despărțite prin fiecare separator";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "cu separatorul";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "fals";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Returnează adevărat sau fals.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "adevărat";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Returnează adevărat dacă ambele intrări sunt egale.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Returnează adevărat dacă prima intrare este mai mare decât a doua intrare.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Returnează adevărat dacă prima intrare este mai mare sau egală cu a doua intrare.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Returnează adevărat dacă prima intrare este mai mică decât a doua intrare.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Returnează adevărat dacă prima intrare este mai mică sau egală cu a doua intrare.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Returnează adevărat daca cele două intrări nu sunt egale.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "non %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returnează adevărat dacă intrarea este falsă.  Returnează fals dacă intrarea este adevărată.";
-Blockly.Msg["LOGIC_NULL"] = "nul";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "returnează nul.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "şi";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "sau";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Returnează adevărat daca ambele intrări sunt adevărate.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Returnează adevărat dacă cel puţin una din intrări este adevărată.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "dacă este fals";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "dacă este adevărat";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Verifică condiţia din \"test\". Dacă condiţia este adevărată, returnează valoarea \"în cazul în care adevărat\"; în caz contrar întoarce valoarea \"în cazul în care e fals\".";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://ro.wikipedia.org/wiki/Aritmetic%C4%83";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Returnează suma a două numere.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Returnează câtul celor două numere.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Returneaza diferenţa dintre cele două numere.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Returnează produsul celor două numere.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Returneaza numărul rezultat prin ridicarea primului număr la puterea celui de-al doilea.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Întoarceți arctangentul punctului (X, Y) în grade de la -180 la 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "schimbă %1 de %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Adaugă un număr variabilei '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://ro.wikipedia.org/wiki/Constant%C4%83_matematic%C4%83";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Întoarcă una din constantele comune: π (3.141...), e (2.718...), φ (1,618...), sqrt(2) (1.414...), sqrt(½) (0.707...) sau ∞ (infinitate).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrânge %1 redus %2 ridicat %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrânge un număr să fie între limitele specificate (inclusiv).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "este divizibil cu";
-Blockly.Msg["MATH_IS_EVEN"] = "este par";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "este negativ";
-Blockly.Msg["MATH_IS_ODD"] = "este impar";
-Blockly.Msg["MATH_IS_POSITIVE"] = "este pozitiv";
-Blockly.Msg["MATH_IS_PRIME"] = "este prim";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Verifică dacă un număr este un par, impar, prim, întreg, pozitiv, negativ, sau dacă este divizibil cu un anumit număr.  Returnează true sau false.";
-Blockly.Msg["MATH_IS_WHOLE"] = "este întreg";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "restul la %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Întoarce restul din împărţirea celor două numere.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Un număr.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "media listei";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "maximul listei";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "media listei";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "minimul listei";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "moduri de listă";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "element aleatoriu din lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "deviația standard a listei";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "suma listei";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Întoarce media (aritmetică) a valorilor numerice în listă.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Întoarce cel mai mare număr din listă.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Întoarce numărul median în listă.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Returnează cel mai mic număr din listă.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Returnează o listă cu cel(e) mai frecvent(e) element(e) din listă.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Returnează un element aleatoriu din listă.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Întoarce deviația standard a listei.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Returnează suma tuturor numerelor din lista.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "fracții aleatorii";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Returnează o fracţie aleatoare între 0.0 (inclusiv) si 1.0 (exclusiv).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "un număr întreg aleator de la %1 la %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Returnează un număr întreg aleator aflat între cele două limite specificate, inclusiv.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "rotund";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "rotunjit";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "rotunjește în sus";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Rotunjirea unui număr în sus sau în jos.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolută";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "rădăcina pătrată";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Returnează valoarea absolută a unui număr.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Returnează e la puterea unui număr.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Întoarce logaritmul natural al unui număr.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Returnează logaritmul în baza 10 a unui număr.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Returnează negaţia unui număr.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Returnează 10 la puterea unui număr.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Returnează rădăcina pătrată a unui număr.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "arccos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "arcsin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "arctg";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://ro.wikipedia.org/wiki/Funcții_trigonometrice";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tg";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Returnează arccosinusul unui număr.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Returnează arcsinusul unui număr.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Returnează arctangenta unui număr.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Întoarce cosinusul unui grad (nu radianul).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Întoarce cosinusul unui grad (nu radianul).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Întoarce tangenta unui grad (nu radianul).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Crează o variabilă culoare";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Crează o variabilă număr";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Crează o variabilă string";
-Blockly.Msg["NEW_VARIABLE"] = "Crează variabilă";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Noul nume de variabilă:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Tip nou de variabilă";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "permite declarațiile";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "cu:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Executați funcția '%1 'definită de utilizator.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Executați funcția '%1 'definită de utilizator şi folosiţi producţia sa.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "cu:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Creaţi '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Descrieți această funcție ...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "fă ceva";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "la";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Crează o funcţie cu nici o ieşire.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://ro.wikipedia.org/wiki/Subrutină";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "returnează";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creează o funcţie cu o ieşire.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Atenţie: Această funcţie are parametri duplicaţi.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Evidenţiază definiţia funcţiei";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Dacă o valoare este adevărată, atunci returnează valoarea a doua.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Avertisment: Acest bloc poate fi utilizat numai în definiţia unei funcţii.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "nume de intrare:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Adaugă un parametru de intrare pentru funcție.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "intrări";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Adăugă, șterge sau reordonează parametrii de intrare ai acestei funcții.";
-Blockly.Msg["REDO"] = "Refă";
-Blockly.Msg["REMOVE_COMMENT"] = "Elimină comentariu";
-Blockly.Msg["RENAME_VARIABLE"] = "Redenumirea variabilei...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Redenumeşte toate variabilele '%1' în:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "la %1 Adăugaţi text %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Adăugaţi text la variabila '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "la litere mici";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "către Titlul de caz";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "la MAJUSCULE";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Întoarce o copie a textului într-un caz diferit.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "obţine prima litera";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "obţine litera # de la sfârșit";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "obtine litera #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "obţine o litera oarecare";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "obtine o litera oarecare";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "în text %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returnează litera la poziția specificată.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "numără %1 in %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Aflați de câte ori apare un text într-un alt text.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Adaugă un element în text.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "alăturaţi-vă";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Adaugă, elimină sau reordonează secțiuni ca să reconfigureze blocul text.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "la litera # de la sfarsit";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "la litera #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "la ultima literă";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "în text";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "obţine un subșir de la prima literă";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "obține un subșir de la litera # de la sfârșit";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "obține subșir de la litera #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returnează o anumită parte din text.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "găseşte prima apariţie a textului";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "găseşte ultima apariţie a textului";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "în text %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returnează indicele primei/ultimei apariţii din primul text în al doilea text.  Returnează %1 dacă textul nu este găsit.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 este gol";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returnează adevărat dacă textul furnizat este gol.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "crează text cu";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Creaţi o bucată de text prin unirea oricărui număr de elemente.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "lungime de %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returnează numărul de litere (inclusiv spaţiile) în textul furnizat.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "imprimare %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Afișează textul specificat, numărul sau altă valoare.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Solicită utilizatorul pentru un număr.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Solicită utilizatorul pentru text.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "solicită pentru număr cu mesaj";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "solicită pentru text cu mesaj";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "înlocuiți %1 cu %2 în %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Înlocuiți toate aparițiile anumitor texte într-un alt text.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "inversă %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Inversează ordinea caracterelor din text.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "O literă, cuvânt sau linie de text.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "taie spațiile de pe ambele părți ale";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "tăiaţi spațiile din partea stângă a";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "taie spațiile din partea dreaptă a";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Returnează o copie a textului fără spațiile de la unul sau ambele capete.";
-Blockly.Msg["TODAY"] = "Astăzi";
-Blockly.Msg["UNDO"] = "Anulează";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "element";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Crează 'set %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returnează valoarea acestei variabile.";
-Blockly.Msg["VARIABLES_SET"] = "seteaza %1 la %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Crează 'get %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Setează această variabilă sa fie egală la intrare.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "O variabilă cu numele '%1'  există deja.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "o variabilă numită '%1' există deja pentru alt tip: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Spune ceva...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/ru.js b/msg/js/ru.js
deleted file mode 100644
index 7843e1a4375..00000000000
--- a/msg/js/ru.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Добавить комментарий";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Невозможно удалить переменную '%1', поскольку она является частью определения функции '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Измените значение:";
-Blockly.Msg["CLEAN_UP"] = "Убрать блоки";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Свёрнутые блоки содержат предупреждения.";
-Blockly.Msg["COLLAPSE_ALL"] = "Свернуть блоки";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Свернуть блок";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "цвет 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "цвет 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "доля цвета 1";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "смешать";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Смешивает два цвета в заданном соотношении (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://ru.wikipedia.org/wiki/Цвет";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Выберите цвет из палитры.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "случайный цвет";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Выбирает цвет случайным образом.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "синего";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "зелёного";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "красного";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "цвет из";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Создаёт цвет с указанной пропорцией красного, зелёного и синего. Все значения должны быть между 0 и 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "выйти из цикла";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "перейти к следующему шагу цикла";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Прерывает этот цикл.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Пропускает остаток цикла и переходит к следующему шагу.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Предупреждение: этот блок может использоваться только внутри цикла.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "для каждого элемента %1 в списке %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Для каждого элемента в списке, присваивает переменной '%1' значение элемента  и выполняет указанные  команды.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "цикл по %1 от %2 до %3 с шагом %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Присваивает переменной '%1' значения от начального до конечного с заданным шагом и выполняет указанные команды.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Добавляет условие к блоку \"если\"";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Добавить заключительный подблок для случая, когда все условия ложны.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Добавьте, удалите, переставьте фрагменты для переделки блока \"если\".";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "иначе";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "иначе если";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "если";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Если условие истинно, выполняет команды.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Если условие истинно, выполняет первый блок команд. Иначе выполняется второй блок команд.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Если первое условие истинно, то выполняет первый блок команд. Иначе, если второе условие истинно, выполняет второй блок команд.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Если первое условие истинно, то выполняет первый блок команд.  В противном случае, если второе условие истинно, выполняет второй блок команд.  Если ни одно из условий не истинно, выполняет последний блок команд.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://ru.wikipedia.org/wiki/Цикл_(программирование)";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "выполнить";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "повторить %1 раз";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Выполняет некоторые команды несколько раз.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "повторять, пока не";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "повторять, пока";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Пока значение ложно, выполняет команды";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Пока значение истинно, выполняет команды.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Удалить все блоки (%1)?";
-Blockly.Msg["DELETE_BLOCK"] = "Удалить блок";
-Blockly.Msg["DELETE_VARIABLE"] = "Удалить переменную '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Удалить %1 использований переменной '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Удалить %1 блоков";
-Blockly.Msg["DISABLE_BLOCK"] = "Отключить блок";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Дублировать";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Дублировать комментарий";
-Blockly.Msg["ENABLE_BLOCK"] = "Включить блок";
-Blockly.Msg["EXPAND_ALL"] = "Развернуть блоки";
-Blockly.Msg["EXPAND_BLOCK"] = "Развернуть блок";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Вставки снаружи";
-Blockly.Msg["HELP"] = "Справка";
-Blockly.Msg["INLINE_INPUTS"] = "Вставки внутри";
-Blockly.Msg["IOS_CANCEL"] = "Отмена";
-Blockly.Msg["IOS_ERROR"] = "Ошибка";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Добавить входную переменную";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Разрешить операторы";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "У этой функции есть дублирующиеся входные переменные.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ВХОД";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Добавить";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Добавить переменную";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Удалить";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Вы не можете использовать пустое имя переменной.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Переименовать";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Имя переменной";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "создать пустой список";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Возвращает список длины 0, не содержащий данных";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "список";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Добавьте, удалите, переставьте элементы для переделки блока списка.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "создать список из";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Добавляет элемент к списку.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Создаёт список с любым числом элементов.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "первый";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "№ с конца";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "взять";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "взять и удалить";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "последний";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "произвольный";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "удалить";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Возвращает первый элемент списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Возвращает элемент в указанной позиции списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Возвращает последний элемент списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Возвращает случайный элемент списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Удаляет и возвращает первый элемент списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Удаляет и возвращает элемент в указанной позиции списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Удаляет и возвращает последний элемент списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Удаляет и возвращает случайный элемент списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Удаляет первый элемент списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Удаляет элемент в указанной позиции списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Удаляет последний элемент списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Удаляет случайный элемент списка.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "по № с конца";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "по №";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "по последний";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "взять подсписок с первого";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "взять подсписок с № с конца";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "взять подсписок с №";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Создаёт копию указанной части списка.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 - последний элемент.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 - первый элемент.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "найти первое вхождение элемента";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "найти последнее вхождение элемента";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Возвращает номер позиции первого/последнего вхождения элемента в списке. Возвращает %1, если элемент не найден.";
-Blockly.Msg["LISTS_INLIST"] = "в списке";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 пуст";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Возвращает значение истина, если список пуст.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "длина %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Возвращает длину списка.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "создать список из элемента %1, повторяющегося %2 раз";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Создаёт список, состоящий из заданного числа копий элемента.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "изменить порядок на обратный %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Изменить порядок списка на обратный.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "=";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "вставить в";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "присвоить";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Вставляет элемент в начало списка.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Вставляет элемент в указанной позиции списка.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Добавляет элемент в конец списка.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Вставляет элемент в случайное место в списке.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Присваивает значение первому элементу списка.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Присваивает значение элементу в указанной позиции списка.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Присваивает значение последнему элементу списка.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Присваивает значение случайному элементу списка.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "по возрастанию";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "по убыванию";
-Blockly.Msg["LISTS_SORT_TITLE"] = "сортировать %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Сортировать копию списка.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "по алфавиту, без учёта регистра";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "числовая";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "по алфавиту";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "сделать список из текста";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "собрать текст из списка";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Соединяет список текстов в один текст с разделителями.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Разбивает текст в список текстов, по разделителям.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "с разделителем";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ложь";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Возвращает значение истина или ложь.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "истина";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://ru.wikipedia.org/wiki/Неравенство";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Возвращает положительное значение, если вводы равны.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Возвращает значение истина, если первая вставка больше второй.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Возвращает значение истина, если первая вставка больше или равна  второй.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Возвращает положительное значение, если первый ввод меньше второго.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Возвращает значение истина, если первая вставка меньше или равна  второй.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Возвращает положительное значение, если вводы не равны.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "не %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Возвращает значение истина, если вставка ложна. Возвращает значение ложь, если вставка истинна.";
-Blockly.Msg["LOGIC_NULL"] = "ничто";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Возвращает ничто.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "и";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "или";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Возвращает значение истина, если обе вставки истинны.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Возвращает значение истина, если хотя бы одна из вставок истинна.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "выбрать по";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://ru.wikipedia.org/wiki/Тернарная_условная_операция";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "если ложь";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "если истина";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Проверяет условие выбора. Если условие истинно, возвращает первое значение, в противном случае возвращает второе значение.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://ru.wikipedia.org/wiki/Арифметика";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Возвращает сумму двух чисел.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Возвращает частное от деления первого числа на второе.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Возвращает разность двух чисел.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Возвращает произведение двух чисел.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Возвращает первое число, возведённое в степень второго числа.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 от X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Возвращает арктангенс точки (X, Y) в градусах от -180 до 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://ru.wikipedia.org/wiki/%D0%98%D0%B4%D0%B8%D0%BE%D0%BC%D0%B0_%28%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5%29#.D0.98.D0.BD.D0.BA.D1.80.D0.B5.D0.BC.D0.B5.D0.BD.D1.82";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "увеличить %1 на %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Добавляет число к переменной '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://ru.wikipedia.org/wiki/Математическая_константа";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Возвращает одну из распространённых  констант: π (3.141...), e (2.718...), φ (1.618...), sqrt(2) (1.414...), sqrt(½) (0.707...) или ∞ (бесконечность).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "ограничить %1 снизу %2 сверху %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Ограничивает число нижней и верхней границами (включительно).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "делится на";
-Blockly.Msg["MATH_IS_EVEN"] = "чётное";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "отрицательное";
-Blockly.Msg["MATH_IS_ODD"] = "нечётное";
-Blockly.Msg["MATH_IS_POSITIVE"] = "положительное";
-Blockly.Msg["MATH_IS_PRIME"] = "простое";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Проверяет, является ли число чётным, нечётным, простым, целым, положительным, отрицательным или оно кратно определённому числу.  Возвращает значение истина или ложь.";
-Blockly.Msg["MATH_IS_WHOLE"] = "целое";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://ru.wikipedia.org/wiki/Деление_с_остатком";
-Blockly.Msg["MATH_MODULO_TITLE"] = "остаток от %1 : %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Возвращает остаток от деления двух чисел.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://ru.wikipedia.org/wiki/Число";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Число.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "среднее арифметическое списка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "наибольшее в списке";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "медиана списка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "наименьшее в списке";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "моды списка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "случайный элемент списка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "стандартное отклонение списка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "сумма списка";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Возвращает среднее арифметическое списка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Возвращает наибольшее число списка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Возвращает медиану списка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Возвращает наименьшее число списка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Возвращает список наиболее часто встречающихся элементов списка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Возвращает случайный элемент списка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Возвращает стандартное отклонение списка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Возвращает сумму всех чисел в списке.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://ru.wikipedia.org/wiki/Генератор_псевдослучайных_чисел";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "случайное число от 0 (включительно) до 1";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Возвращает случайное число от 0.0 (включительно) до 1.0.";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://ru.wikipedia.org/wiki/Генератор_псевдослучайных_чисел";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "случайное целое число от %1 для %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Возвращает случайное число между двумя заданными пределами (включая и их).";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://ru.wikipedia.org/wiki/Округление";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "округлить";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "округлить к меньшему";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "округлить к большему";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Округляет число до большего или меньшего.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://ru.wikipedia.org/wiki/Квадратный_корень";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "модуль";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "квадратный корень";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Возвращает модуль числа";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Возвращает е в указанной степени.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Возвращает натуральный логарифм числа.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Возвращает десятичный логарифм числа.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Возвращает противоположное число.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Возвращает 10 в указанной степени.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Возвращает квадратный корень числа.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://ru.wikipedia.org/wiki/Тригонометрические_функции";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Возвращает арккосинус (в градусах).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Возвращает арксинус (в градусах).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Возвращает арктангенс (в градусах)";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Возвращает косинус угла в градусах.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Возвращает синус угла в градусах.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Возвращает тангенс угла в градусах.";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Создать переменную цвета...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Создать числовую переменную...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Создать строковую переменную...";
-Blockly.Msg["NEW_VARIABLE"] = "Создать переменную…";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Имя новой переменной:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Новый тип переменной:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "разрешить операторы";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "с:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://ru.wikipedia.org/wiki/Подпрограмма";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Исполняет определённую пользователем процедуру '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://ru.wikipedia.org/wiki/Подпрограмма";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Исполняет определённую пользователем процедуру '%1' и возвращает вычисленное  значение.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "с:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Создать вызов '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Опишите эту функцию…";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "выполнить что-то";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "чтобы";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Создаёт процедуру, не возвращающую значение.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "вернуть";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Создаёт процедуру, возвращающую значение.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Предупреждение: эта функция имеет повторяющиеся параметры.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Выделить определение процедуры";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Если первое значение истинно, возвращает второе значение.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Предупреждение: Этот блок может использоваться только внутри определения функции.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "имя параметра:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Добавить входной параметр в функцию.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "параметры";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Добавить, удалить или изменить порядок входных параметров для этой функции.";
-Blockly.Msg["REDO"] = "Повторить";
-Blockly.Msg["REMOVE_COMMENT"] = "Удалить комментарий";
-Blockly.Msg["RENAME_VARIABLE"] = "Переименовать переменную…";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Переименовать все переменные '%1' в:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "к %1 добавить текст %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Добавить текст к переменной «%1».";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "в строчные буквы";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "в Заглавные Начальные Буквы";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "в ЗАГЛАВНЫЕ БУКВЫ";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Возвращает копию текста с ЗАГЛАВНЫМИ или строчными буквами.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "взять первую букву";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "взять букву № с конца";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "взять букву №";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "взять последнюю букву";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "взять случайную букву";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "в тексте %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Возвращает букву в указанной позиции.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "подсчитать количество %1 в %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Подсчитать, сколько раз отрывок текста появляется в другом тексте.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Добавить элемент к тексту.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "соединить";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Добавьте, удалите, переставьте фрагменты для переделки текстового блока.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "по букву № с конца";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "по букву №";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "по последнюю букву";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "в тексте";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "взять подстроку с первой буквы";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "взять подстроку с буквы № с конца";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "взять подстроку с буквы №";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Возвращает указанную часть текста.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "найти первое вхождение текста";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "найти последнее вхождение текста";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "в тексте %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Возвращает номер позиции первого/последнего вхождения первого текста во  втором.  Возвращает %1, если текст не найден.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 пуст";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Возвращает значение истина, если предоставленный текст пуст.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "создать текст из";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Создаёт фрагмент текста, объединяя любое число элементов";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "длина %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Возвращает число символов (включая пробелы) в заданном тексте.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "напечатать %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Печатает текст, число или другой объект.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Запросить у пользователя число.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Запросить у пользователя текст.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "запросить число с подсказкой";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "запросить текст с подсказкой";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "заменить %1 на %2 в %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Заменить все вхождения некоторого текста другим текстом.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "изменить порядок на обратный %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Меняет порядок символов в тексте на обратный.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://ru.wikipedia.org/wiki/Строковый_тип";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Буква, слово или строка текста.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "обрезать пробелы с двух сторон";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "обрезать пробелы слева";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "обрезать пробелы справа";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Возвращает копию текста с пробелами, удалёнными с одного или обоих концов.";
-Blockly.Msg["TODAY"] = "Сегодня";
-Blockly.Msg["UNDO"] = "Отменить";
-Blockly.Msg["UNNAMED_KEY"] = "без названия";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "элемент";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Создать блок \"присвоить\" для %1";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Возвращает значение этой переменной.";
-Blockly.Msg["VARIABLES_SET"] = "присвоить %1 = %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Создать вставку %1";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Присваивает переменной значение вставки.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Переменная с именем '%1' уже существует.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Название переменной '%1' уже используется другой типа: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Рабочая область Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Напишите здесь что-нибудь...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/sc.js b/msg/js/sc.js
deleted file mode 100644
index a6fdb179d49..00000000000
--- a/msg/js/sc.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Agiunghe unu cumentu";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Muda valori:";
-Blockly.Msg["CLEAN_UP"] = "Lìmpia is brocus";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Serra e stringi Brocus";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Serra e stringi Brocu";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "colori 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "colori 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "raportu";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "mestura";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Amestura duus coloris cun unu raportu (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Scebera unu colori de sa tauledda.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "Unu colori a brítiu";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Scebera unu colori a brítiu.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blue";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "birdi";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "arrùbiu";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "colora cun";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Cuncorda unu colori cun su tanti de arrubiu, birdi, e blue. Totu is valoris depint essi intra 0 e 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "sàrtiat a foras de sa lòriga";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "sighit cun su repicu afatànti";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Bessit de sa lòriga.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Sartiat su chi abarrat de sa loriga, e sighit cun su repicu afatànti.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Amonestu: Custu brocu ddu podis ponni sceti aintru de una lòriga.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "po dònnia item %1 in lista %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Po dònnia item in sa lista, ponit sa variàbili '%1' pari a s'item, e tandu fait pariga de cumandus.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "po %1 de %2 fintzas %3 a passus de %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Fait pigai a sa variàbili \"%1\" i valoris de su primu numeru a s'urtimu, a su passu impostau e fait su brocu.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Aciungi una cunditzioni a su brocu si.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Aciungi una urtima cunditzioni piga-totu a su brocu si.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Aciungi, fùlia, o assenta is partis po torrai a sètiu custu brocu si.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "sinuncas";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "sinuncas si";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "si";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Si su valori est berus, tandu fait pariga de cumandus.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Si su valori est berus, tandu fai su primu brocu de is cumandus. Sinuncas, fai su segundu brocu de is cumandus.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Si su primu valori est beridadi, tandu fai su primu brocu de is cumandus. Sinuncas, si su segundu valori est beridadi, fai su segundu brocu de is cumandus.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Si su primu valori est berus, tandu fai su primu brocu de is cumandus. Sinuncas, si su segundu valori est berus, fai su segundu brocu de is cumandus. Si mancu unu valori est berus, tandu fai s'urtimu brocu de is cumandus.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "fai";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "repiti %1 bortas";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Fait pariga de cumandus prus bortas.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "repiti fintzas";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "repiti interis";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Interis su valori est frassu, tandu fai pariga de cumandus.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Interis su valori est berus, tandu fai pariga de cumandus.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Scancellu su %1 de is brocus?";
-Blockly.Msg["DELETE_BLOCK"] = "Fùlia Blocu";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "Fulia %1 Blocus";
-Blockly.Msg["DISABLE_BLOCK"] = "Disabìlita Blocu";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Dùplica";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Abìlita Blocu";
-Blockly.Msg["EXPAND_ALL"] = "Aberi Brocus";
-Blockly.Msg["EXPAND_BLOCK"] = "Aberi Brocu";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Intradas esternas";
-Blockly.Msg["HELP"] = "Agiudu";
-Blockly.Msg["INLINE_INPUTS"] = "Intradas in lìnia";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";  // untranslated
-Blockly.Msg["IOS_ERROR"] = "Error";  // untranslated
-Blockly.Msg["IOS_OK"] = "OK";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "fait una lista buida";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Torrat una lista, de longària 0, chena records de datus.";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "lista";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Aciungi, fùlia, o assenta is partis po torrai a sètiu custu brocu lista.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "fait una lista cun";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Acciungi unu item a sa lista.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Fait una lista cun calisiollat numeru de items.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "primu";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# de sa fini";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "piga";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "piga e fùlia";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "urtimu";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "a brìtiu (random)";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "fùlia";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Torrat su primu elementu de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Torrat s'elementu de su postu inditau de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Torrat s'urtimu elementu de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Torrat un'elementu a brìtiu de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Fùliat e torrat su primu elementu de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Fùliat e torrat s'elementu de su postu inditau de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Fùliat e torrat s'urtimu elementu de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Fùliat e torrat un'elementu a brìtiu de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Fùliat su primu elementu de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Fùliat s'elementu de su postu inditau de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Fùliat s'urtimu elementu de una lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Fùliat unu elementu a brìtiu de una lista.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "a # de sa fini";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "fintzas a #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "a s'urtimu";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "bogandi suta-lista de su primu";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "bogandi suta-lista de # de sa fini.";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "bogandi suta-lista de #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Fait una copia de sa parti inditada de sa lista.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 est po s'urtimu elementu.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 est po su primu elementu.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "circa prima ocasioni de s'item";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "circa urtima ocasioni de s'item";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Torrat s'indixi de sa primu/urtima ocasioni de s'item in sa lista. Torrat %1 si s'item non s'agatat.";
-Blockly.Msg["LISTS_INLIST"] = "in lista";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 est buidu";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Torrat berus si sa lista est buida.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "longària de %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Torrat sa longària de una lista.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "fait una lista cun item %1 repitiu %2 bortas";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Fait una lista cun unu numeru giau repitiu su tanti de is bortas inditadas.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "a";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "inserta a";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "imposta";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Insertat s'elementu a su cumintzu de sa lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Insertat s'elementu in su postu inditau in una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Aciungit s'elementu a sa fini de sa lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Aciungit s'elementu a brítiu in sa lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Impostat su primu elementu in una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Impostat s'elementu in su postu inditau de una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Impostat s'urtimu elementu in una lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Impostat unu elementu random in una lista.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "fai una lista de unu testu";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "fai unu testu de una lista";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Auni una lista de testus in d-unu sceti, ponendi separadoris.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Dividi su testu in un'elencu de testus, firmendi po dònnia separadori.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "cun  separadori";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "frassu";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Torrat berus o frassu.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "berus";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Torrat berus si is inputs funt unu uguali a s'àteru.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Torrat berus si su primu input est prus mannu de s'àteru.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Torrat berus si su primu input est prus mannu o uguali a s'àteru.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Torrat berus si su primu input est prus piticu de s'àteru.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Torrat berus si su primu input est prus piticu o uguali a s'àteru.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Torrat berus si is inputs non funt unu uguali a s'àteru.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "non %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Torrat berus si s'input est frassu. Torrat frassu si s'input est berus.";
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Torrat null.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "and";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "or";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Torrat berus si ambos is inputs funt berus.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Torrat berus si assumancu unu de is inputs est berus.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "cumpròa";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "si frassu";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "si berus";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "‎Cumproa sa cunditzioni in 'cumproa'. Si sa cunditzioni est berus, torrat su valori 'si berus'; sinuncas torrat su valori 'si frassu'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Torrat sa summa de is duus nùmerus.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Torrat su cuotzienti de is duus nùmerus.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Torrat sa diferèntzia de is duus nùmerus.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Torrat su produtu de is duus nùmerus.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Torrat su primu numeru artziau a sa potenza de su segundu nùmeru.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "muda %1 de %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Aciungi unu numeru a sa variabili '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Torrat una de is costantis comunas: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), o ∞ (infiniu).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "custringi %1 de %2 a %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Custringi unu numeru aintru de is liminaxus giaus (cumprendius).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "fait a ddu dividi po";
-Blockly.Msg["MATH_IS_EVEN"] = "est paris";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "est negativu";
-Blockly.Msg["MATH_IS_ODD"] = "est dísparu";
-Blockly.Msg["MATH_IS_POSITIVE"] = "est positivu";
-Blockly.Msg["MATH_IS_PRIME"] = "est primu";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Cumprova si unu numeru est paris, dìsparis, primu, intreu, positivu, negativu o si fait a ddu dividi po unu numeru giau. Torrat berus o frassu.";
-Blockly.Msg["MATH_IS_WHOLE"] = "est intreu";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "arrestu de %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Torrat s'arrestu de sa divisioni de duus numerus.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Unu numeru";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "mèdia de sa lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "massimu de sa lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "medianu de sa lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "minimu de sa lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modas de sa lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "unu item a brìtiu de sa lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "deviadura standard de sa lista";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "suma sa lista";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Torrat sa mèdia (aritimètica) de is valoris de sa lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Torrat su numeru prus mannu de sa lista";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Torrat su numeru medianu de sa lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Torrat su numeru prus piticu de sa lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Torrat una lista de is itams prus frecuentis de sa lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Torrat unu item a brìtiu de sa lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Torrat sa deviadura standard de sa lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Torrat sa suma de totu is numerus de sa lista.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "una fratzioni a brìtiu";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Torrat una fratzioni a brìtiu intra 0.0 (cumpresu) e 1.0 (bogau).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "numeru intreu a brítiu de %1 a %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Torrat unu numeru intreu a brìtiu intra duus nùmerus giaus (cumpresus).";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "arretunda";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "arretunda faci a bàsciu.";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "Arretunda faci a susu";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Arretunda unu numeru faci a susu o faci a bàsciu.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "assolutu";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "arraxina cuadra";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Torrat su valori assolútu de unu numeru.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Torrat (e) a sa potèntzia de unu numeru.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Torrat su logaritmu naturali de unu numeru.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Torrat su logaritmu a basi 10 de unu numeru.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Torrat su valori negau de unu numeru.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Torrat (10) a sa potèntzia de unu numeru.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Torrat s'arraxina cuadra de unu numeru.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Torrat su arccosinu de unu numeru.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Torrat su arcsinu de unu numeru.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Torrat su arctangenti de unu numeru.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Torrat su cosinu de unu gradu (no radianti).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Torrat su sinu de unu gradu (no radianti).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Torrat sa tangenti de unu gradu (no radianti).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Variabili noa...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nòmini de sa variabili noa:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "permiti decraratzionis";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "con:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Arròllia sa funtzione '%1' cuncordada dae s'impitadore.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Arròllia sa funtzione '%1' cuncordada dae s'impitadore e imprea s'output suu.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "cun";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Ingenerau'%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "fait calincuna cosa";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "po";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Fait una funtzioni chena output.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "torrat";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Fait una funtzioni cun output.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Amonestu: Custa funtzioni tenit parametrus duplicaus.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Marca sa definitzioni de funtzioni.";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Si unu valori est berus, tandu torrat unu segundu valori.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Amonestu: Custu brocu ddu podis ponni sceti aintru de una funtzioni.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "nomini input:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Aciungi un input a sa funtzioni.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Aciungi, fùlia, o assenta is inputs a custa funtzioni.";
-Blockly.Msg["REDO"] = "Redo";  // untranslated
-Blockly.Msg["REMOVE_COMMENT"] = "Fùlia unu cumentu";
-Blockly.Msg["RENAME_VARIABLE"] = "Muda nòmini a variabili...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "A is variabilis '%1' muda nòmini a:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "a %1 acciungi su testu %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Aciungit testu a sa variàbili '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "a minúdu";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "cun Primu lìtera a Mauschínu";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "a mauschínu";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Torrat una copia de su testu inditau mudendi mauschínu/minúdu.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "piga sa prima lìtera";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "piga sa lìtera # de sa fini";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "piga sa lìtera #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "piga s'urtima lìtera";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "piga una lìtera a brìtiu";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Torrat sa lìtera de su postu giau.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Acciungi unu item a su testu.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "auni a pari";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Aciungi, fùlia, o assenta is partis po torrai a sètiu custu brocu de testu.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "a sa lìtera # de sa fini";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "a sa lìtera #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "a s'urtima lìtera";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in su testu";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "piga suta-stringa de sa primu lìtera";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "piga suta-stringa de sa lìtera # fintzas a fini";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "piga suta-stringa de sa lìtera #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Torrat su testu inditau.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "circa prima ocasioni de su testu";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "circa urtima ocasioni de su testu";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in su testu %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Torrat s'indixi de sa primu/urtima ocasioni de su primu testu in su segundu testu. Torrat %1 si su testu no ddu agatat.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 est buidu";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Torrat berus si su testu giau est buidu.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "scri testu cun";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Fait unu testu ponendi a pari parigas de items.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "longària de %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Torrat su numeru de lìteras (cun is spàtzius) in su testu giau.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "scri %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Scri su testu, numeru o àteru valori.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Pregonta unu nùmeru a s'impitadore.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Pregonta testu a s'impitadore.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "pregonta po unu numeru";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "pregonta po su testu";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Una lìtera, paràula, o linia de testu.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "bogat spàtzius de ambus càbudus de";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "bogat spàtzius de su càbudu de manca de";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "bogat spàtzius de su càbudu de dereta de";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Torrat una copia de su testu bogaus is spàtzius de unu o de ambus is càbudus.";
-Blockly.Msg["TODAY"] = "Oe";
-Blockly.Msg["UNDO"] = "Undo";  // untranslated
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "item";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Fait 'imposta %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Torrat su valori de custa variabili.";
-Blockly.Msg["VARIABLES_SET"] = "imposta %1 a %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Fait 'piga %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Imposta custa variabili uguali a s'input.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/sd.js b/msg/js/sd.js
deleted file mode 100644
index 5a5d2539814..00000000000
--- a/msg/js/sd.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "رايو ڏيو";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "قدر بدلايو";
-Blockly.Msg["CLEAN_UP"] = "بندشون هٽايو";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "بلاڪَ ڍڪيو";
-Blockly.Msg["COLLAPSE_BLOCK"] = "بلاڪ ڍڪيو";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "رنگ 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "رنگ 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "تناسب";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "گڏيل";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "ڄاڻايل تناسب سان ٻہ رنگ پاڻ ۾ ملايو (0.0-1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "رنگ دٻيءَ مان رنگ چونڊيو.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "بنا ترتيب رنگ";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "ڪو بہ ‌رنگ چونڊيو.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "نيرو";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "سائو";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "ڳاڙهو";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "سان رڱيو";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "ڳاڙهي، سائي، ۽ نيري جو مقدار ڄاڻائي گھربل رنگ ٺاهيو. سمورا قدر 0 ۽ 100 جي وچ ۾ هجن.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "چڪر مان ٻاهر نڪرو";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "چڪر جاري رکندي نئين ڦيري پايو";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Break out of the containing loop.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warning: This block may only be used within a loop.";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "for each item %1 in list %2";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For each item in a list, set the variable '%1' to the item, and then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "count with %1 from %2 to %3 by %4";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Add a condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "نہ تہ";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "نہ تہ جي";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "جيڪڏهن";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "If a value is true, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "ڪريو";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "1٪ ڀيرا ورجايو";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Do some statements several times.";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ورجايو جيستائين";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ورجايو جڏهن";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "While a value is false, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "While a value is true, then do some statements.";  // untranslated
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "سڀ %1 بلاڪ ڊاھيون؟";
-Blockly.Msg["DELETE_BLOCK"] = "بلاڪ ڊاهيو";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "1٪ بلاڪ ڊاهيو";
-Blockly.Msg["DISABLE_BLOCK"] = "بلاڪ کي غيرفعال بڻايو";
-Blockly.Msg["DUPLICATE_BLOCK"] = "نقل";
-Blockly.Msg["DUPLICATE_COMMENT"] = "نقل رايو";
-Blockly.Msg["ENABLE_BLOCK"] = "بلاڪ کي فعال بڻايو";
-Blockly.Msg["EXPAND_ALL"] = "بلاڪَ نمايو";
-Blockly.Msg["EXPAND_BLOCK"] = "بلاڪ نمايو";
-Blockly.Msg["EXTERNAL_INPUTS"] = "ٻاهرين داخلائون";
-Blockly.Msg["HELP"] = "مدد";
-Blockly.Msg["INLINE_INPUTS"] = "اِنلائين اِن پٽس";
-Blockly.Msg["IOS_CANCEL"] = "رد";
-Blockly.Msg["IOS_ERROR"] = "چُڪَ";
-Blockly.Msg["IOS_OK"] = "ٺيڪ (او ڪي) آهي";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "داخلائون (اِن پٽس)";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "شامل ڪيو";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "تبديل ٿيندڙ (ويريئيبل) وجهو";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "ڊاهيو";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "ٻيهر نالو ڏيو";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "تبيديل ٿيندڙ (ويريئيبل) جو نالو";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "خالي فهرست تخليق ڪريو";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "لسٽ";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "سان فهرست تخليق ڪيو";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "فهرست ۾ ڪا شي شامل ڪريو.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "پهريون";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# آخر کان";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "get";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "آخري";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "بي ترتيب";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "هٽايو";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "ڏانهن # آخر کان";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "ڏانهن #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "آخري ڏانهن";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "فهرست ۾";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 خالي آهي";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "جيان";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "تي داخل ڪريو";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "ميڙ";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "اُڀو (اَسينڊنگ)";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "ترتيب ڏيو %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "الف ب وار (الفابيٽڪ)";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ڪُوڙ";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "درست يا غير درست وراڻي ٿو.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "سچ";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "جيڪڏهن ٻئي ان پُٽس برابر آهن تہ درست وراڻيو";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "جيڪڏهن پهريون ان پُٽ ٻين ان پُٽ کان وڏو آهي تہ درست وراڻيو.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "جيڪڏهن پهريون ان پُٽ ٻين ان پُٽ کان وڏو آهي يا ٻئي برابر آهن تہ درست وراڻيو.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "جيڪڏهن پهريون ان پُٽ ٻين ان پُٽ کان ننڍو آهي تہ درست وراڻيو";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "جيڪڏهن پهريون ان پُٽ ٻين ان پُٽ کان ننڍو آهي يا ٻئي برابر آهن تہ درست وراڻيو";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "جيڪڏهن ٻئي ان پُٽس اڻ برابر آهن تہ درست وراڻيو";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "نڪي %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "ان پُٽ غير درست آهي تہ درست وراڻيو. ان پُٽ درست آهي تہ غير درست وراڻيو.";
-Blockly.Msg["LOGIC_NULL"] = "null";  // untranslated
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returns null.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_AND"] = "۽";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "يا";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "جيڪڏهن ٻئي ان پُٽ درست آهن تہ درست وراڻيو.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "جيڪڏهن ٻنهي ان پُٽس مان ڪو هڪ بہ درست آهي تہ درست وراڻيو.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "پرک (ٽيسٽ)";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "جيڪڏهن ڪوڙو";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "جيڪڏهن سچو";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "ٻن انگن جي جوڙ اپت ڏيو.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "ٻنهي انگن جي ونڊ ڏيو.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "ٻنهي انگن جو تفاوت ڏيو.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "ٻنهي انگن جي ضرب اُپت ڏيو.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "%1 کي %2 سان مَٽايو";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/رياضياتي استقلال";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "سان ونڊجندڙ آهي";
-Blockly.Msg["MATH_IS_EVEN"] = "ٻڌي آهي";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "ڪاٽو آهي";
-Blockly.Msg["MATH_IS_ODD"] = "اِڪي آهي";
-Blockly.Msg["MATH_IS_POSITIVE"] = "واڌو آهي";
-Blockly.Msg["MATH_IS_PRIME"] = "مفرد آهي";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "سڄو آهي";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";  // untranslated
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "ڪو انگ.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "لسٽ جي سراسري";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "لسٽ جو وڏي ۾ وڏو قدر";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "لسٽ جو مڌيان";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "لسٽ جو ننڍي ۾ ننڍو قدر";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "فهرست جا طريقيڪا (موڊز آف لسٽ)";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "بي ترتيب جذن جي فهرست (رينڊم آئيٽم آف لسٽ)";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "فهرست جو وچور";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "لسٽ ۾ وڏي کان وڏو قدر ڄاڻايو.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "لسٽ جو مڌيان انگ ڄاڻايو.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "لسٽ ۾ ننڍي کان ننڍو قدر ڄاڻايو.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "round";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "هيٺ ڦيرايو (رائونڊ ڊائون)";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "ويڙهيو (رائونڊ اَپ)";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/ٻيون مول";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "ٺپ";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "ٻيون مول";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "ڪنهن انگ جو قدرتي لاگ ڄاڻايو.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "ڪنهن انگ جو 10 بنيادي لاگ ڄاڻايو.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "ڪنهن انگ جو ڪاٽو ڄاڻايو.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "ڪنهن انگ جو ٻيون مول ڄاڻايو.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/ٽڪنڊور ڪاڄ";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "نئون ڦرڻو...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "ڦرڻي جو نئون نالو:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "سان:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "سان:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "تخليق ڪريو '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "ڪجھ ڪريو";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "ڏانهن";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "واپس ورو";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "ان پُٽس";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "ٻيهر ڪريو";
-Blockly.Msg["REMOVE_COMMENT"] = "رايو ڊاهيو";
-Blockly.Msg["RENAME_VARIABLE"] = "ڦرڻي کي نئون نالو ڏيو...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Rename all '%1' variables to:";  // untranslated
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "ننڍن اکر ڏانهن";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "وڏن اکرن ڏانهن";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "ڳڻيو %1 ۾ %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "شامل ٿيو";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "متن ۾";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "۾ متن %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "سان مواد تخليق ڪيو (ڪريئيٽ ٽيڪسٽ وِد)";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "ڇاپيو %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "ڄاڻايل تحرير، انگ يا ڪو ٻيو قدر ڇاپيو.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "اڄ";
-Blockly.Msg["UNDO"] = "ڊاهيو";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "اسم";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/shn.js b/msg/js/shn.js
deleted file mode 100644
index f7436e4800a..00000000000
--- a/msg/js/shn.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "သႂ်ႇၶေႃႈၶႆႈၸႂ်";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "လႅၵ်ႈလၢႆႈၼမ်ႉၵတ်ႉ";
-Blockly.Msg["CLEAN_UP"] = "Clean up Blocks";  // untranslated
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "လွင်ႈႁႄႉတတ်းၸိူဝ်းလႅဝ်";
-Blockly.Msg["COLLAPSE_BLOCK"] = "လွင်ႈႁႄႉတတ်းလႅဝ်";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "သီ 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "သီ 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "သႅၼ်း";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "လေႃးလႄး";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "ဢဝ်သီသွင်ဢၼ်လေႃးၵၼ် ၸွမ်းၼမ် သႅၼ်းဢၼ်ပၼ်ဝႆႉ (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color သီ";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "လိူၵ်ႈသီ တမ်ႈတီႈ ၽႃးလႅတ်ႉ";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "သီလၢမ်းလိမ်း";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "လိူၵ်ႈသီတမ်ႈတီႈလွၵ်းလၢမ်းလိမ်း";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "သွမ်ႇ";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "ၶဵဝ်";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "လီင်";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "ႁူမ်ႈၵိုၵ်းသီ";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "ႁဵတ်းတူၺ်း သီဢၼ်ၼိုင်ႈ ၸွမ်းၼင်ႇမၵ်းမၼ်ႈဝႆႉ ၼႂ်းၶႂၢင်ႇ သီလႅင်, ၶဵဝ် လႄႈ သွမ်ႇ။ ၼမ်ႉၼၵ်းသီ တေလႆႈမီးၼႂ်းဝူင်ႈၵၢင် 0 တေႃႇ 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "ဢွၵ်ႇတီႈၶွပ်ႇမူၼ်း";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "သိုပ်ႇပၼ်ႇထႅင်ႈ ၶွပ်ႇမူၼ်းတၢင်ႇဢၼ်";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "ၵိုတ်းပႅတ်ႈ ၶွပ်ႇမူၼ်း ဢၼ်မီးဝႆႉ";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "ဝဵၼ်ႉဝႆႉ ၶွပ်ႇမူၼ်း ဢၼ်ၵိုတ်းၸိူဝ်ႈဝႆႉ, သေ သိုပ်ႇထႅင်ႈတၢင်ႇဢၼ်";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "ၾၢင်ႉ: ပလွၵ်ႉဢၼ်ၼႆႉ ၵူၺ်းၸႂ်ႉလူၺ်ႈတႃႇ ၶွပ်ႇမူၼ်းၵူၺ်း";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "တႃႇၵူႈဢၼ်ဢၼ် ၼႂ်း %1 သဵၼ်ႈမၢႆ %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For each item in a list, set the variable '%1' to the item, and then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "တႄႇဢၢၼ်ႇၵိုၵ်း %1 တေႃႇ %2 တေႃႇ %3 လူၺ်ႈ %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "သင်ဝႃႈ ပလွၵ်ႉၸိုင် သႂ်ႇပၼ်လွင်ႈတၢင်းမၼ်း တမ်ႈ";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "သႂ်ႇၵမ်းလိုၼ်း, သင်ဝႃႈ ပလွၵ်ႉၸိုင် ဢဝ်လွင်ႈတၢင်းမၼ်းတင်းသဵင်ႈ တမ်ႈ";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "လိူဝ်သေၼၼ်ႉ";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "သင်ဝႃႈ လိူဝ်သေၼၼ်ႉ";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "သင်ဝႃႈ";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "ပေႃးဝႃႈ ၵႃႈၶၼ် (ၼမ်ႉၵတ်ႉ) မၢၼ်ႇမႅၼ်ႈယဝ်ႉၸိုင် ႁဵတ်းၶေႃႈၵဵပ်းထွၼ်ၵမ်ႈၽွင်ႈ";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "သင်ဝႃႈ ၵႃႈၶၼ်(ၼမ်ႉၵတ်ႉ)မၢၼ်ႇမႅၼ်ႈၸိုင် ႁဵတ်းပလွၵ်ႉဢွၼ်တၢင်းသုတ်း တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်တ။ လိူဝ်သေၼၼ်ႉ ႁဵတ်းပႅတ်ႈ ပလွၵ်ႉသွင် တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "သင်ဝႃႈ ၵႃႈၶၼ်(ၼမ်ႉၵတ်ႉ)မၢႉၼိုင်ႈ မၢၼ်ႇမႅၼ်ႈၸိုင် ႁဵတ်းပလွၵ်ႉဢွၼ်တၢင်းသုတ်း တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်တ။ သင်ဝႃႈ ၵႃႈၶၼ်(ၼမ်ႉၵတ်ႉ)မၢႆသွင်မၢၼ်ႇမႅၼ်ႈၸိုင်  ႁဵတ်းပႅတ်ႈ ပလွၵ်ႉသွင် တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "သင်ဝႃႈ ၵႃႈၶၼ်(ၼမ်ႉၵတ်ႉ)မၢႆၼိုင်ႈ မၢၼ်ႇမႅၼ်ႈၸိုင် ႁဵတ်းပလွၵ်ႉဢွၼ်တၢင်းသုတ်း တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်တ။ လိူဝ်သေၼၼ်ႉ, သင်ဝႃႈ ၵႃႈၶၼ် (ၼမ်ႉၵတ်ႉ) မၢႆသွင် မၢၼ်ႇမႅၼ်ႈၸိုင် ႁဵတ်းပႅတ်ႈ ပလွၵ်ႉသွင် တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်တ။ သင်ဝႃႈ ၵႃႈၶၼ်(ၼမ်ႉၵတ်ႉ) ဢမ်ႇမီးလွင်ႈမၢၼ်ႇမႅၼ်ႈ သင်ၸိုင် ႁဵတ်းပႅတ်ႈပလွၵ်ႉ ၵမ်းလိုမ်း တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်တ။";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop တႃႇတူင်ႇမူၼ်း";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "ႁဵတ်း";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "ပၼ်ႇၶိုၼ်း %1 ၵမ်း";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "ႁဵတ်းၶေႃႈၵဵပ်းထွၼ်ၵမ်ႈၽွင်ႈ တင်းၼမ်";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "တိုၵ်ႉလိုမ်ႉထိုင်";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ၶၢဝ်းတိုၵ်ႉလိုမ်ႉ";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "ပေႃးဝႃႈ ၵႃႈၶၼ် (ၼမ်ႉၵတ်ႉ) ဢမ်ႇမၢၼ်ႇမႅၼ်ႈၸိုင် ႁဵတ်းၶေႃႈၵဵပ်းထွၼ် ၵမ်ႈၽွင်ႈ";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "ပေႃးဝႃႈ ၵႃႈၶၼ် (ၼမ်ႉၵတ်ႉ) မၢၼ်ႇမႅၼ်ႈယဝ်ႉၸိုင် ႁဵတ်းၶေႃႈၵဵပ်းထွၼ်ၵမ်ႈၽွင်ႈ";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Delete all %1 blocks?";  // untranslated
-Blockly.Msg["DELETE_BLOCK"] = "မွတ်ႇပလွၵ်ႉ";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "မွတ်ႇလွင်ႈႁႄႉတတ်း %1";
-Blockly.Msg["DISABLE_BLOCK"] = "ဢိုတ်းၸႂ်ႉ လွင်ႈႁႄႉတတ်း";
-Blockly.Msg["DUPLICATE_BLOCK"] = "ထုတ်ႇ";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "ပိုတ်ႇၸႂ်ႉ လွင်ႈႁႄႉတတ်း";
-Blockly.Msg["EXPAND_ALL"] = "ၶႂၢၵ်ႈၸိူဝ်းႁႄႉတတ်း";
-Blockly.Msg["EXPAND_BLOCK"] = "ၶႂၢၵ်ႈလွင်ႈႁႄႉတတ်း";
-Blockly.Msg["EXTERNAL_INPUTS"] = "ၶိူင်ႈဢၼ်လုၵ်ႉတၢင်းၼွၵ်ႈၶဝ်ႈမႃး";
-Blockly.Msg["HELP"] = "ၸွႆႈထႅမ်";
-Blockly.Msg["INLINE_INPUTS"] = "ၶိူင်ႈဢၼ်ၶဝ်ႈမႃးၸွမ်းလႅင်း";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";  // untranslated
-Blockly.Msg["IOS_ERROR"] = "Error";  // untranslated
-Blockly.Msg["IOS_OK"] = "OK";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "list";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "first";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# from end";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "get";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "last";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "random";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "in list";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "as";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insert at";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ဢမ်ႇၼႅၼ်ႈၼႃ";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "မၢၼ်ႇမႅၼ်ႈလႄႈသင် ဢမ်ႇၼႅၼ်ႈၼႃလႄႈသင် ႁူၼ်ၶိုၼ်း";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "မၢၼ်ႇမႅၼ်ႈ";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(ပၢႆးၼပ်ႉ)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "သင်ဝႃႈ ဢၼ်ၽိူမ်ႉသႂ်ႇ တင်းသွင် မိူၼ်တၢင်ႇဢၼ်ၸိုင် မႄးၶိုၼ်း ႁႂ်ႈမၢၼ်ႇမႅၼ်ႈ";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "သင်ဝႃႈ ဢၼ်ၽိူမ်ႉသႂ်ႇ ဢွၼ်တၢင်း ယႂ်ႇလိူဝ် ဢၼ်ၽိူမ်ႉသႂ်ႇ မၢႆသွင်ၸိုင် မႄးၶိုၼ်း ႁႂ်ႈမၢၼ်ႇမႅၼ်ႈ";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "သင်ဝႃႈ ဢၼ်ၽိူမ်ႉသႂ်ႇ ဢွၼ်တၢင်း ယႂ်ႇလိူဝ် ဢမ်ႇၼၼ် ၽဵင်ႇပဵင်း ဢၼ်ၽိူမ်ႉသႂ်ႇ မၢႆသွင်ၸိုင် မႄးၶိုၼ်း ႁႂ်ႈမၢၼ်ႇမႅၼ်ႈ";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "သင်ဝႃႈ ဢၼ်ၽိူမ်ႉသႂ်ႇ ဢွၼ်တၢင်း မိူၼ် ဢၼ်ၽိူမ်ႉသႂ်ႇ မၢႆသွင်ၸိုင် မႄးၶိုၼ်း ႁႂ်ႈမၢၼ်ႇမႅၼ်ႈ";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "သင်ဝႃႈ ဢၼ်ၽိူမ်ႉသႂ်ႇ ဢွၼ်တၢင်း မိူၼ် ဢမ်ႇၼၼ် ၽဵင်ႇပဵင်း ဢၼ်ၽိူမ်ႉသႂ်ႇ မၢႆသွင်ၸိုင် မႄးၶိုၼ်း ႁႂ်ႈမၢၼ်ႇမႅၼ်ႈ";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "သင်ဝႃႈ ဢၼ်ၽိူမ်ႉသႂ်ႇ တင်းသွင် ဢမ်ႇမိူၼ်တၢင်ႇဢၼ်ၸိုင် မႄးၶိုၼ်း ႁႂ်ႈမၢၼ်ႇမႅၼ်ႈ";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ဢမ်ႇၸႂ်ႈ %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "သင်ဝႃႈ ဢၼ်ၽိူမ်ႉသႂ်ႇ ဢမ်ႇၼႅၼ်ႈၼႃၸိုင် မႄးၶိုၼ်း ႁႂ်ႈမၢၼ်ႇမႅၼ်ႈ။ သင်ဝႃႈ ဢၼ်ၽိူမ်ႉသႂ်ႇ မၢၼ်ႇမႅၼ်ႈၸိုင် ၶိုၼ်းမူၼ်ႉမႄး ႁႂ်ႈၼႅၼ်ႈၼႃ";
-Blockly.Msg["LOGIC_NULL"] = "ဢမ်ႇၶဝ်ႈၶႂၢင်ႇ";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "လဵဝ်ၶိုၼ်း ဢမ်ႇၶဝ်ႈၶႂၢင်ႇ";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "လႄႈ";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ဢမ်ႇၼၼ်";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "သင်ဝႃႈ ဢၼ်ၽိူမ်ႉသႂ်ႇ တင်းသွင်ဢၼ် မၢၼ်ႇမႅၼ်ႈၸိုင်ၸိုင် မႄးၶိုၼ်း ႁႂ်ႈမၢၼ်ႇမႅၼ်ႈ";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "သင်ဝႃႈ ဢၼ်ၽိူမ်ႉသႂ်ႇ ၵမ်းလိုၼ်းသုတ်း မၢၼ်ႇမႅၼ်ႈၸိုင် မႄးၶိုၼ်း ႁႂ်ႈမၢၼ်ႇမႅၼ်ႈ";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "ၸၢမ်း";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "သင်ဝႃႈ ဢမ်ႇၼႅၼ်ႈၼႃ";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "သင်ဝႃႈ မၢၼ်ႇမႅၼ်ႈ";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "ၸၢမ်းၵူတ်ႇတူၺ်း သၢႆငၢႆ။ သင်ဝႃႈ သၢႆငၢႆမၢၼ်ႇမႅၼ်ႈ, လဵဝ်ၶိုၼ်း ၵႃႈၶၼ် (ၼမ်ႉၵတ်ႉ) 'သင်မၢၼ်ႇမႅၼ်ႈ'; လိူဝ်ၼၼ်ႉ လဵဝ်ၶိုၼ်း ၵႃႈၶၼ် (ၼမ်ႉၵတ်ႉ) 'သင်ဢမ်ႇၼႅၼ်ႈၼႃ'။";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/ပၢႆးၼပ်ႉ";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "လဵဝ်ၶိုၼ်း တၢင်းၼမ် ၼႂ်းမၢႆၼပ်ႉ သွင်";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "လဵဝ်ၶိုၼ်း ပမႃႇၼ ၼႂ်းမၢႆၼပ်ႉ သွင်";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "လဵဝ်ၶိုၼ်း ဢၼ်ပႅၵ်ႇပိူင်ႈ ၼႂ်းမၢႆၼပ်ႉ သွင်";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "လဵဝ်ၶိုၼ်း ဢၼ်ဢဝ်ဢွၵ်ႇ ၼႂ်းမၢႆၼပ်ႉ သွင်";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "လဵဝ်ၶိုၼ်း တူဝ်ၼပ်ႉမၢႆၼိုင်ႈၼႆႉ ၸွႆႈႁႅင်းပၼ် တူဝ်ၼပ်ႉမၢႆသွင်";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "change %1 by %2";  // untranslated
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "is divisible by";  // untranslated
-Blockly.Msg["MATH_IS_EVEN"] = "ပဵၼ်ၵူပ်ႉ";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "is negative";  // untranslated
-Blockly.Msg["MATH_IS_ODD"] = "ပဵၼ်ၵိၵ်ႈ";
-Blockly.Msg["MATH_IS_POSITIVE"] = "is positive";  // untranslated
-Blockly.Msg["MATH_IS_PRIME"] = "is prime";  // untranslated
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "is whole";  // untranslated
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/မၢႆၼပ်ႉ";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "မၢႆၼပ်ႉ ၼိုင်ႈဢၼ်";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "average of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "max of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "min of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "sum of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "round";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "round down";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "round up";  // untranslated
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root (မၢႆတူပ်ႉမိူၼ်)";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "ပၵတိ";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "မၢႆတူပ်ႉမိူၼ်";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "လဵဝ်ၶိုၼ်း ၵႃႈၶၼ် (ၼမ်ႉၵတ်ႉ) ပၵတိ ၼႂ်းမၢႆၼပ်ႉ";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "လဵဝ်ၶိုၼ်း e ၵႂႃႇတီႈ ပႃႇဝႃႇ ၼႂ်းမၢႆၼပ်ႉ";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "လဵဝ်ၶိုၼ်း လွၵ်းလၢႆးၼပ်ႉ ၼႂ်းမၢႆၼပ်ႉ";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "လဵဝ်ၶိုၼ်း ပိုၼ်ႉထၢၼ် 10 လွၵ်းလၢႆးၼပ်ႉ ၼႂ်းမၢႆၼပ်ႉ";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "လဵဝ်ၶိုၼ်း ဢၼ်သၢၼ်ၶတ်း ၼႂ်း မၢႆၼပ်ႉ";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "လဵဝ်ၶိုၼ်း 10 ၵႂႃႇတီႈ ပႃႇဝႃႇ ၼႂ်းမၢႆၼပ်ႉ";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "လဵဝ်ၶိုၼ်း မၢႆတူပ်ႉမိူၼ် ၼႂ်းမၢႆၼပ်ႉ";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";  // untranslated
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "ၵေႃႇသၢင်ႈ တူဝ်ၼိုင်...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "ၸိုဝ်ႈဢၼ်လၢႆႈမႂ်ႇ";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "do something";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "to";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "return";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "Redo";  // untranslated
-Blockly.Msg["REMOVE_COMMENT"] = "ထွၼ်ပႅတ်ႈ ၶေႃႈၶႆႈၸႂ်";
-Blockly.Msg["RENAME_VARIABLE"] = "လိုမ်ႉၶိုၼ်း ဢၼ်လၢႆႈမႂ်ႇ";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "လိုမ်ႉၶိုၼ်း ဢၼ်လၢႆႈမႂ်ႇၸိူဝ်းၼၼ်ႉ '%1' ထိုင်";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "join";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "print %1";  // untranslated
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "မိူဝ်ႈၼႆႉ";
-Blockly.Msg["UNDO"] = "Undo";  // untranslated
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "ဢၼ်";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/sk.js b/msg/js/sk.js
deleted file mode 100644
index c30f71e1da8..00000000000
--- a/msg/js/sk.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Pridať komentár";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Nie je možné zmazať premennú „%1“, pretože je súčasťou definície funkcie „%2“";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Zmeniť hodnotu:";
-Blockly.Msg["CLEAN_UP"] = "Narovnať bloky";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Zvinúť bloky";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Zvinúť blok";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "farba 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "farba 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "pomer";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "zmiešať";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Zmieša dve farby v danom pomere (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Zvoľte farbu z palety.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "náhodná farba";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Zvoliť farbu náhodne.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "modrá";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "zelená";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "červená";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "ofarbiť s";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Vytvoriť farbu pomocou zadaného množstva červenej, zelenej a modrej. Množstvo musí byť medzi 0 a 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "opustiť slučku";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "prejdi na nasledujúce opakovanie slučky";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Opustiť túto slučku.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Vynechať zvyšok tejto slučky a pokračovať ďalším opakovaním.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Upozornenie: Tento blok sa môže používať len v rámci slučky.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "pre každý prvok %1 v zozname %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Pre každý prvok v zozname priraď jeho hodnotu do premenej '%1' a vykonaj príkazy.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "počítať s %1 od %2 do %3 o %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Nechá premennú '%1' nadobúdať hodnoty od začiatočného čísla po konečné s daným medzikrokom a vykoná zadané bloky.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Pridať podmienku k \"ak\" bloku.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Pridať poslednú záchytnú podmienku k \"ak\" bloku.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Pridať, odstrániť alebo zmeniť poradie oddielov tohto \"ak\" bloku.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "inak";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "inak ak";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ak";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Ak je hodnota pravda, vykonaj príkazy.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Ak je hodnota pravda, vykonaj príkazy v prvom bloku. Inak vykonaj príkazy v druhom bloku.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Ak je prvá hodnota pravda, vykonaj príkazy v prvom bloku. Inak, ak je druhá hodnota pravda, vykonaj príkazy v druhom bloku.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Ak je prvá hodnota pravda, vykonaj príkazy v prvom bloku. Inak, ak je druhá hodnota pravda, vykonaj príkazy v druhom bloku. Ak ani jedna hodnota nie je pravda, vykonaj príkazy v poslednom bloku.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "rob";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "opakuj %1 krát";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Opakuj určité príkazy viackrát.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "opakuj kým nebude";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "opakuj kým";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Kým je hodnota nepravdivá, vykonávaj príkazy.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Kým je hodnota pravdivá, vykonávaj príkazy.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Zmazať všetkých %1 dielcov?";
-Blockly.Msg["DELETE_BLOCK"] = "Odstrániť blok";
-Blockly.Msg["DELETE_VARIABLE"] = "Odstrániť premennú '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Odstrániť %1 použití premennej '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Odstrániť %1 blokov";
-Blockly.Msg["DISABLE_BLOCK"] = "Vypnúť blok";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplikovať";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicitný komentár";
-Blockly.Msg["ENABLE_BLOCK"] = "Povoliť blok";
-Blockly.Msg["EXPAND_ALL"] = "Rozvinúť bloky";
-Blockly.Msg["EXPAND_BLOCK"] = "Rozvinúť blok";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Vonkajšie vstupy";
-Blockly.Msg["HELP"] = "Pomoc";
-Blockly.Msg["INLINE_INPUTS"] = "Riadkové vstupy";
-Blockly.Msg["IOS_CANCEL"] = "Zrušiť";
-Blockly.Msg["IOS_ERROR"] = "Chyba";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Pridať vstup";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Povoľujú príkazy";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Táto funkcia obsahuje duplikáty vstupov.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "Vstupy";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Pridať";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Pridať premennú";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Zmazať";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Nie je možné použiť premennú bez mena.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Premenovať";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Názov premennej";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "prázdny zoznam";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Vráti zoznam nulovej dĺžky, ktorý neobsahuje žiadne prvky.";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "zoznam";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Pridaj, odstráň alebo zmeň poradie v tomto zoznamovom bloku.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "vytvor zoznam s";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Pridaj prvok do zoznamu.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Vytvor zoznam s ľubovoľným počtom prvkov.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "prvý";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# od konca";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "zisti";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "zisti a odstráň";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "posledný";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "náhodný";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "odstráň";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Vráti počiatočný prvok zoznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Vráti prvok na určenej pozícii v zozname.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Vráti posledný prvok zoznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Vráti náhodný prvok zoznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Odstráni a vráti prvý prvok v zozname.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Odstráni a vráti prvok z určenej pozície v zozname.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Odstráni a vráti posledný prvok v zozname.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Odstráni a vráti náhodný prvok v zozname.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Odstráni prvý prvok v zozname.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Odstráni prvok na určenej pozícii v zozname.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Odstráni posledný prvok v zozname.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Odstráni náhodný prvok v zozname.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "po # od konca";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "po #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "po koniec";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "Získať podzoznam od začiatku";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "Získať podzoznam od # od konca";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "získať podzoznam od #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Skopíruje určený úsek zoznamu.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 je posledný prvok.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 je počiatočný prvok.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "nájdi prvý výskyt prvku";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "nájdi posledný výskyt prvku";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Vráti index prvého/posledného výskytu prvku v zozname. Ak sa nič nenašlo, vráti %1.";
-Blockly.Msg["LISTS_INLIST"] = "v zozname";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 je prázdny";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Vráti pravda, ak je zoznam prázdny.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "dĺžka %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Vráti dĺžku zoznamu";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "vytvor zoznam s prvkom %1 opakovaným %2 krát";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Vytvorí zoznam s niekoľkými rovnakými prvkami s danou hodnotou.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "obrátiť %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Obrátiť kópiu zoznamu.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "ako";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "vložiť na";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "nastaviť";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Vsunie prvok na začiatok zoznamu.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Vsunie prvok na určenú pozíciu v zozname.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Pripojí prvok na koniec zoznamu.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Vsunie prvok na náhodné miesto v zozname.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Nastaví prvý prvok v zozname.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Nastaví prvok na určenej pozícii v zozname.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Nastaví posledný prvok v zozname.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Nastaví posledný prvok v zozname.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "Vzostupne";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "Zostupne";
-Blockly.Msg["LISTS_SORT_TITLE"] = "zoradiť %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Zoradiť kópiu zoznamu.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "abecedne, ignorovať veľkosť písmen";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numericky";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "abecedne";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "vytvoriť zoznam z textu";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "vytvoriť text zo zoznamu";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Spojiť zoznam textov do jedného textu s oddeľovačmi.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Rozdelenie textu do zoznamu textov, lámanie na oddeľovačoch.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "s oddeľovačom";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "nepravda";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Vráť buď hodnotu pravda alebo nepravda.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "pravda";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Vráť hodnotu pravda, ak sú vstupy rovnaké.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Vráť hodnotu pravda ak prvý vstup je väčší než druhý.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Vráť hodnotu pravda ak prvý vstup je väčší alebo rovný druhému.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Vráť hodnotu pravda, ak prvý vstup je menší než druhý.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Vráť hodnotu pravda ak prvý vstup je menší alebo rovný druhému.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Vráť hodnotu pravda, ak vstupy nie sú rovnaké.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "nie je %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Vráti hodnotu pravda, ak je vstup nepravda. Vráti hodnotu nepravda ak je vstup pravda.";
-Blockly.Msg["LOGIC_NULL"] = "nič";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Vráti hodnotu nula.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "a";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "alebo";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Vráť hodnotu pravda, ak sú vstupy pravdivé.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Vráť hodnotu pravda, ak je aspoň jeden vstup pravda.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "ak nepravda";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "ak pravda";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Skontroluj podmienku testom. Ak je podmienka pravda, vráť hodnotu \"ak pravda\", inak vráť hodnotu \"ak nepravda\".";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Vráť súčet dvoch čísel.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Vráť podiel dvoch čísel.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Vráť rozdiel dvoch čísel.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Vráť súčin dvoch čísel.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Vráť prvé číslo umocnené druhým.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Vráťte arktangent bodu (X, Y) v stupňoch od -180 do 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "zmeniť %1 o %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Pridaj číslo do premennej \"%1\".";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant‎";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Vráť jednu zo zvyčajných konštánt: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), alebo ∞ (nekonečno).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "obmedz %1 od %2 do %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Obmedzí číslo do zadaných hraníc (vrátane).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "je deliteľné";
-Blockly.Msg["MATH_IS_EVEN"] = "je párne";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "je záporné";
-Blockly.Msg["MATH_IS_ODD"] = "je nepárne";
-Blockly.Msg["MATH_IS_POSITIVE"] = "je kladné";
-Blockly.Msg["MATH_IS_PRIME"] = "je prvočíslo";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Skontroluj či je číslo párne, nepárne, celé, kladné, záporné alebo deliteľné určitým číslom. Vráť hodnotu pravda alebo nepravda.";
-Blockly.Msg["MATH_IS_WHOLE"] = "je celé číslo";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "zvyšok po delení %1 + %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Vráť zvyšok po delení jedného čísla druhým.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Číslo.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "priemer zoznamu";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "najväčšie v zozname";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "medián zoznamu";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "najmenšie v zozname";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "najčastejšie v zozname";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "náhodný prvok zoznamu";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "smerodajná odchýlka zoznamu";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "súčet zoznamu";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Vráť aritmetický priemer čísel v zozname.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Vrátiť najväčšie číslo v zozname.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Vráť medián čísel v zozname.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Vrátiť najmenšie číslo v zozname.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Vrátiť najčastejší prvok v zozname.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Vráť náhodne zvolený prvok zoznamu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Vráť smeroddajnú odchýlku zoznamu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Vráť súčet všetkých čísel v zozname.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "náhodné číslo od 0 do 1";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Vráť náhodné číslo z intervalu 0.0 (vrátane) až 1.0.";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "náhodné celé číslo od %1 do %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Vráť náhodné celé číslo z určeného intervalu (vrátane).";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "zaokrúhli";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "zaokrúhli nadol";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "zaokrúhli nahor";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Zaokrúhli číslo nahor alebo nadol.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolútna hodnota";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "druhá odmocnina";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Vráť absolútnu hodnotu čísla.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Vráť e umocnené číslom.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Vráť prirodzený logaritmus čísla.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Vráť logaritmus čísla so základom 10.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Vráť opačné číslo.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Vráť 10 umocnené číslom.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Vráť druhú odmocninu čísla.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "arccos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "arcsin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "arctan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Vráť arkus kosínus čísla.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Vráť arkus sínus čísla.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Vráť arkus tangens čísla.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Vráť kosínus uhla (v stupňoch).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Vráť sínus uhla (v stupňoch).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Vráť tangens uhla (v stupňoch).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "vytvoriť farbu premennej";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Vytvoriť číselnú premennú...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Vytvoriť reťazovú premennú...";
-Blockly.Msg["NEW_VARIABLE"] = "Vytvoriť premennú...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Názov novej premennej:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "nový typ premennej";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "povoliť príkazy";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "s:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://sk.wikipedia.org/wiki/Podprogram";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Spustí používateľom definovanú funkciu '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://sk.wikipedia.org/wiki/Podprogram";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Spustí používateľom definovanú funkciu '%1' a použije jej výstup.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "s:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Vytvoriť '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Doplň, čo robí táto funkcia...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "urob niečo";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "na";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Vytvorí funciu bez výstupu.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "vrátiť";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Vytvorí funkciu s výstupom.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Upozornenie: Táto funkcia má duplicitné parametre.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Zvýrazniť definíciu funkcie";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Ak je hodnota pravda, tak vráti druhú hodnotu.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Upozornenie: Tento blok môže byť len vo vnútri funkcie.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "názov vstupu:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Pridať vstup do funkcie.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "vstupy";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Pridať, odstrániť alebo zmeniť poradie vstupov tejto funkcie.";
-Blockly.Msg["REDO"] = "Znova";
-Blockly.Msg["REMOVE_COMMENT"] = "Odstrániť komentár";
-Blockly.Msg["RENAME_VARIABLE"] = "Premenovať premennú...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Premenovať všetky premenné '%1' na:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "do %1 pridaj text %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Pridaj určitý text do premennej '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "na malé písmená";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "na Veľké Začiatočné Písmená";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "na VEĽKÉ PÍSMENÁ";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Vráť kópiu textu s inou veľkosťou písmen.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "zisti prvé písmeno";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "zisti # písmeno od konca";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "zisti písmeno #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "zisti posledné písmeno";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "vyber náhodné písmeno";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "v texte %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Vráti písmeno na určenej pozícii.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "počet výskytov %1 v %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Počet výskytov textu nachádzajúcom sa v inom texte.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Pridaj prvok do textu.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "spoj";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Pridaj, odstráň alebo zmeň poradie oddielov v tomto textovom bloku.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "po # písmeno od konca";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "po písmeno #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "po koniec";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "v texte";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "vyber podreťazec od začiatku";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "vyber podreťazec od # písmena od konca";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "vyber podreťazec od písmena #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Vráti určenú časť textu.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "nájdi prvý výskyt textu";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "nájdi posledný výskyt textu";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "v texte %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Vráti index prvého/posledného výskytu prvého textu v druhom texte. Ak nenájde, vráti %1.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 je prázdny";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Vráti hodnotu pravda, ak zadaný text je prázdny.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "vytvor text z";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Vytvor text spojením určitého počtu prvkov.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "dĺžka %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Vráti počet písmen (s medzerami) v zadanom texte.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "píš %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Napíš zadaný text, číslo alebo hodnotu.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Výzva pre používateľa na zadanie čísla.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Výzva pre používateľa na zadanie textu.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "výzva na zadanie čísla so správou";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "výzva za zadanie textu so správou";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "zameniť %1 za %2 v reťazci %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Zameniť všetky výskyty textu za iný text.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "text odzadu %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Obrátiť poradie písmen v texte.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Písmeno, slovo alebo riadok textu.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "odstráň medzery z oboch strán";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "odstráň medzery z ľavej strany";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "odstráň medzery z pravej strany";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Vráť kópiu textu bez medzier na jednom alebo oboch koncoch.";
-Blockly.Msg["TODAY"] = "Dnes";
-Blockly.Msg["UNDO"] = "Späť";
-Blockly.Msg["UNNAMED_KEY"] = "nepomenované";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "prvok";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Vytvoriť \"nastaviť %1\"";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Vráti hodnotu tejto premennej.";
-Blockly.Msg["VARIABLES_SET"] = "nastaviť %1 na %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Vytvoriť \"získať %1\"";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Nastaví túto premennú, aby sa rovnala vstupu.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Premenná s názvom %1 už existuje.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Premenná s názvom '%1' už existuje pre inú premennú typu '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Pracovisko Bloskly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Povedz niečo...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/skr-arab.js b/msg/js/skr-arab.js
deleted file mode 100644
index a17f700d15c..00000000000
--- a/msg/js/skr-arab.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "تبصرہ کرو";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "ویلیو تبدیل کرو:";
-Blockly.Msg["CLEAN_UP"] = "بلاک صاف کرو";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "بلاک کٹھے کرو";
-Blockly.Msg["COLLAPSE_BLOCK"] = "بلا ک کٹھے کرو";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "رنگ 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "رنگ 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "نسبت";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "مرکب";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Blends two colours together with a given ratio (0.0 - 1.0).";  // untranslated
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Choose a colour from the palette.";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "بنا ترتيب رنگ";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Choose a colour at random.";  // untranslated
-Blockly.Msg["COLOUR_RGB_BLUE"] = "نیلا";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "ساوا";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "رتا";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "نال رن٘گ";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Create a colour with the specified amount of red, green, and blue. All values must be between 0 and 100.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "گھیرے کنوں ٻاہر نکلݨ";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continue with next iteration of loop";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Break out of the containing loop.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warning: This block may only be used within a loop.";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "for each item %1 in list %2";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For each item in a list, set the variable '%1' to the item, and then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "count with %1 from %2 to %3 by %4";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Add a condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "وکھرا";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "ٻیا اگر";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "جے";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "If a value is true, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "کرو";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "repeat %1 times";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Do some statements several times.";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "تائیں دہرائے";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "repeat while";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "While a value is false, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "While a value is true, then do some statements.";  // untranslated
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "بھلا %1 بلاکاں کوں مٹاؤں؟";
-Blockly.Msg["DELETE_BLOCK"] = "بلاک مٹاؤ";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 بلاکاں کوں مٹاؤ";
-Blockly.Msg["DISABLE_BLOCK"] = "بلاک ہٹاؤ";
-Blockly.Msg["DUPLICATE_BLOCK"] = "ڈپلیکیٹ";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "بلاک فعال کرو";
-Blockly.Msg["EXPAND_ALL"] = "بلاکوں کوں کھنڈاؤ";
-Blockly.Msg["EXPAND_BLOCK"] = "بلاک کھنڈاؤ";
-Blockly.Msg["EXTERNAL_INPUTS"] = "باہرلے انپٹ";
-Blockly.Msg["HELP"] = "مدد";
-Blockly.Msg["INLINE_INPUTS"] = "ان لائن ان پٹ";
-Blockly.Msg["IOS_CANCEL"] = "منسوخ";
-Blockly.Msg["IOS_ERROR"] = "نقص";
-Blockly.Msg["IOS_OK"] = "ٹھیک ہے";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ان پٹ";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "شامل کرو";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ متغیر شامل کرو";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "مٹاؤ";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "نواں ناں لکھو";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "متغیر ناں";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "خالی تندیر بݨاؤ";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "فہرست";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "پہلا";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# چھیکڑ کنوں";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "گھنو";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "گھنو تے ہٹاؤ";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "چھیکڑی";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "پُٹھے سِدھے";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "ہٹاؤ";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "فہرست وچ";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 خالی ہے";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "بطور";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "تے درج کرو";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "سیٹ";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "چڑھدا ہویا";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "لہندا ہویا";
-Blockly.Msg["LISTS_SORT_TITLE"] = "سارٹ کرو%1%2%3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "عددی";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "الف بے دی";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "غلط";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Returns either true or false.";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "سچ";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Return true if both inputs equal each other.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "%1 کائنی";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
-Blockly.Msg["LOGIC_NULL"] = "کوئی وی کائنی";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returns null.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_AND"] = "اتے";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "یا";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "ٹیسٹ";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "اگر کوڑ ہے";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "اگر سچ ہے";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Return the sum of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "change %1 by %2";  // untranslated
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "is divisible by";  // untranslated
-Blockly.Msg["MATH_IS_EVEN"] = "جفت ہے";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "منفی ہے";
-Blockly.Msg["MATH_IS_ODD"] = "طاق ہے";
-Blockly.Msg["MATH_IS_POSITIVE"] = "مثبت ہے";
-Blockly.Msg["MATH_IS_PRIME"] = "مفرد ہے";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "مکمل ہے";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";  // untranslated
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "ہک عدد";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "فہرست دی اوسط";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "لسٹ وچوں سب توں ودھ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "لسٹ وچوں سب توں گھٹ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "لسٹ دا مجموعہ";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "round";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "round down";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "round up";  // untranslated
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "مطلق";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "مربعی جذر";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";  // untranslated
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";  // untranslated
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "متغیر بݨاؤ۔۔۔";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "نواں متغیر ناں:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "نال:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "نال:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "do something";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "کوں";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "واپس آ ونڄو";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "ان پُٹ ناں:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "ولدا کرو";
-Blockly.Msg["REMOVE_COMMENT"] = "رائے مٹاؤ";
-Blockly.Msg["RENAME_VARIABLE"] = "متغیر دا ولدا ناں رکھو۔۔۔";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Rename all '%1' variables to:";  // untranslated
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "پہلا حرف گھنو";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "# حرف گھنو";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "چھیکڑی حرف گھنو";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "شامل تھیوو";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "ٹیکسٹ وچ";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 خالی ہے";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1 دی لمباݨ";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "%1 چھاپو";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "اڄ";
-Blockly.Msg["UNDO"] = "واپس";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "آئٹم";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "'%1' نامی متغیر پہلے موجود ہے۔";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/sl.js b/msg/js/sl.js
deleted file mode 100644
index cea18af6adb..00000000000
--- a/msg/js/sl.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Dodaj komentar";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Ni mogoče izbrisati spremenljivke »%1«, ker je uporabljena v definiciji funkcije »%2«";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Spremeni vrednost:";
-Blockly.Msg["CLEAN_UP"] = "Ponastavi delčke";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Skrčeni delčki vsebujejo opozorila.";
-Blockly.Msg["COLLAPSE_ALL"] = "Skrči delčke";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Skrči delček";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "barva 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "barva 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "razmerje";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "mešanica";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Zmeša dve barvi v danem razmerju (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Izberi barvo s palete.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "naključna barva";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Izbere naključno barvo.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "modra";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "zelena";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "rdeča";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "določena barva";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Ustvari barvo z določeno količino rdeče, zelene in modre. Vse vrednosti morajo biti med 0 in 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "izstopi iz zanke";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "nadaljuj z naslednjo ponovitvijo zanke";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Izstopi iz trenutne zanke.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Preskoči preostanek te zanke in nadaljuje z naslednjo ponovitvijo.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Pozor: Ta delček lahko uporabiš samo znotraj zanke.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "za vsak element %1 v seznamu %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Za vsak element v seznamu, nastavi spremenljivko »%1« na ta element. Pri tem se izvedejo določeni delčki.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "štej s/z %1 od %2 do %3 po %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Vrednost spremenljivke »%1« se spreminja od začetnega števila do končnega števila, z določenim korakom. Pri tem se izvedejo določeni delčki.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Dodaj pogoj »če« delčku.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Dodaj končni pogoj »če« delčku.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Dodaj, odstrani ali spremeni vrstni red odsekov za ponovno nastavitev »če« delčka.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "sicer";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "sicer če";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "če";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Če je vrednost resnična, izvedi določene delčke.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Če je vrednost resnična, izvedi prvo skupino delčkov. Sicer izvedi drugo skupino delčkov.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Če je prva vrednost resnična, izvedi prvo skupino delčkov. Sicer, če je resnična druga vrednost, izvedi drugo skupino delčkov.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Če je prva vrednost resnična, izvedi prvo skupino delčkov. Sicer, če je resnična druga vrednost, izvedi drugo skupino delčkov. Če nobena izmed vrednosti ni resnična, izvedi zadnjo skupino delčkov.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "izvedi";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "ponovi %1 krat";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Delčki se izvedejo večkrat.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ponavljaj dokler ni";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ponavljaj dokler";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Delčki se izvajajo dokler je vrednost neresnična.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Delčki se izvajajo dokler je vrednost resnična.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Izbrišem vse delčke (%1)?";
-Blockly.Msg["DELETE_BLOCK"] = "Izbriši delček";
-Blockly.Msg["DELETE_VARIABLE"] = "Izbriši spremenljivko »%1«";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Izbrišem %1 uporab spremenljivke »%2«?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Izbriši delčke (%1)";
-Blockly.Msg["DISABLE_BLOCK"] = "Onemogoči delček";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Podvoji";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Podvoji komentar";
-Blockly.Msg["ENABLE_BLOCK"] = "Omogoči delček";
-Blockly.Msg["EXPAND_ALL"] = "Razširi delčke";
-Blockly.Msg["EXPAND_BLOCK"] = "Razširi delček";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Zunanji vnosi";
-Blockly.Msg["HELP"] = "Pomoč";
-Blockly.Msg["INLINE_INPUTS"] = "Vrstični vnosi";
-Blockly.Msg["IOS_CANCEL"] = "Prekliči";
-Blockly.Msg["IOS_ERROR"] = "Napaka";
-Blockly.Msg["IOS_OK"] = "V redu";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Dodaj vnos";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Vsebuje delčke";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Ta funkcija ima podvojene vnose";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "VNOSI";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Dodaj";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Dodaj spremenljivko";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Izbriši";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Ne moreš uporabiti spremenljivke brez imena.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Preimenuj";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Ime spremenljivke";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "ustvari prazen seznam";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Vrne seznam, dolžine 0, ki ne vsebuje nobenih podatkov.";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "seznam";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Doda, odstrani ali spremeni vrstni red elementov tega seznama.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "ustvari seznam s/z";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Doda element seznamu.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Ustvari seznam s poljubnim številom elementov.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "prvo mesto";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "mesto št. od konca";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "št.";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "vrni";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "odstrani in vrni";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "zadnje mesto";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "naključno mesto";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "odstrani";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Vrne prvi element seznama.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Vrne element na določenem mestu v seznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Vrne zadnji element seznama.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Vrne naključni element seznama.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Odstrani in vrne prvi element seznama.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Odstrani in vrne element na določenem mestu v seznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Odstrani in vrne zadnji element seznama.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Odstrani in vrne naključni element seznama.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Odstrani prvi element seznama.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Odstrani element na določenem mestu v seznamu.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Odstrani zadnji element seznama.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Odstrani naključni element seznama.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "do mesta št. od konca";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "do mesta št.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "do zadnjega mesta";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "ustvari podseznam od prvega mesta";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "ustvari podseznam od mesta št. od konca";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "ustvari podseznam od mesta št.";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Ustvari nov seznam, kot kopijo določenega dela seznama.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "Zadnji element je št. %1.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "Prvi element je št. %1.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "najdi prvo pojavitev elementa";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "najdi zadnjo pojavitev elementa";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Vrne mesto (indeks) prve/zadnje pojavitve elementa v seznamu. Če elementa ne najde, vrne %1.";
-Blockly.Msg["LISTS_INLIST"] = "v seznamu";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 je prazen";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Vrne resnično, če je seznam prazen.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "dolžina %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Vrne dolžino seznama.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "ustvari seznam z elementom %1, ki se ponovi %2 krat";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Ustvari seznam z danim elementom, ki se poljubno mnogo krat ponovi.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "obrni %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Obrne kopijo seznama.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "element";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "vstavi na";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "nastavi na";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Vstavi element na začetek seznama.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Vstavi element na določeno mesto v seznamu.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Doda element na konec seznama.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Vstavi element na naključno mesto v seznamu.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Nastavi prvi element seznama.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Nastavi element na določenem mestu v seznamu.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Nastavi zadnji element seznama.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Nastavi naključni element seznama.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "naraščajoče";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "padajoče";
-Blockly.Msg["LISTS_SORT_TITLE"] = "uredi %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Uredi kopijo seznama.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "abecedno, brez velikosti črk";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "številčno";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "abecedno";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "ustvari seznam iz besedila";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "ustvari besedilo iz seznama";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Združi seznam besedil v eno besedilo, ločeno z ločilom.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Razdruži besedilo v seznam besedil. Za razdruževanje besedila uporabi ločilo.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "z ločilom";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "neresnično";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Vrne resnično ali neresnično.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "resnično";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Vrne resnično, če sta vnosa enaka.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Vrne resnično, če je prvi vnos večji od drugega.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Vrne resnično, če je prvi vnos večji ali enak drugemu.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Vrne resnično, če je prvi vnos manjši od drugega.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Vrne resnično, če je prvi vnos manjši ali enak drugemu.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Vrne resnično, če vnosa nista enaka.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ne %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Vrne resnično, če je vnos neresničen. Vrne neresnično, če je vnos resničen.";
-Blockly.Msg["LOGIC_NULL"] = "prazno";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Vrne prazno.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "in";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ali";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Vrne resnično, če sta oba vnosa resnična.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Vrne resnično, če je vsaj eden od vnosov resničen.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "če neresnično";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "če resnično";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Preveri pogoj v »testu«. Če je pogoj resničen, potem vrne vrednost »če resnično«; sicer vrne vrednost »če neresnično«.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Vrne vsoto dveh števil.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Vrne kvocient dveh števil.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Vrne razliko dveh števil.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Vrne zmnožek dveh števil.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Vrne prvo število na potenco drugega števila.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 koordinate X:%1 in Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Vrne arkus tangens točke (X, Y) v stopinjah med -180 in 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "spremeni %1 za %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Prišteje število k spremenljivki '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Vrne eno izmed običajnih konstant: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), ali ∞ (neskončno).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_%28graphics%29";
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "omeji %1 na najmanj %2 in največ %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Omeji število, da bo med določenima (vključenima) mejama.";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "je deljivo s/z";
-Blockly.Msg["MATH_IS_EVEN"] = "je sodo";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "je negativno";
-Blockly.Msg["MATH_IS_ODD"] = "je liho";
-Blockly.Msg["MATH_IS_POSITIVE"] = "je pozitivno";
-Blockly.Msg["MATH_IS_PRIME"] = "je praštevilo";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Preveri, če je število sodo, liho, praštevilo, celo, pozitivno, negativno ali, če je deljivo z določenim številom. Vrne resnično ali neresnično.";
-Blockly.Msg["MATH_IS_WHOLE"] = "je celo";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "ostanek pri %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Vrne ostanek pri deljenju dveh števil.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Število.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "povprečje seznama";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "maksimum seznama";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "mediana seznama";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "minimum seznama";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modus seznama";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "naključni element seznama";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standardni odklon seznama";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "vsota seznama";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Vrne povprečje (aritmetično sredino) števil na seznamu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Vrne največje število na seznamu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Vrne mediano števil na seznamu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Vrne najmanjše število na seznamu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Vrne seznam najpogostejšega elementa(-ov) na seznamu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Vrne naključno število izmed števil na seznamu.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Vrne standardni odklon seznama.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Vrne vsoto vseh števil na seznamu.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "naključni ulomek";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Vrne naključni ulomek med (vključno) 0.0 in 1.0 (izključno).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "naključno število med %1 in %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Vrne naključno število med dvema določenima mejama, vključno z mejama.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "zaokroži";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "zaokroži navzdol";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "zaokroži navzgor";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Zaokroži število navzgor ali navzdol.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolutno";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "kvadratni koren";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Vrne absolutno vrednost števila.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Vrne e na potenco števila.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Vrne naravni logaritem števila.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Vrne desetiški logaritem števila.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Vrne negacijo števila.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Vrne 10 na potenco števila.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Vrne kvadratni koren števila.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Vrne arkus kosinus števila.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Vrne arkus sinus števila.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Vrne arkus tangens števila.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Vrne kosinus kota v stopinjah (ne radianih).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Vrne sinus kota v stopinjah (ne radianih).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Vrne tangens kota v stopinjah (ne radianih).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Ustvari spremenljivko barve";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Ustvari spremenljivko števila";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Ustvari spremenljivko niza";
-Blockly.Msg["NEW_VARIABLE"] = "Ustvari spremenljivko ...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Ime nove spremenljivke:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Novi tip spremenljivke:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "vsebuje delčke";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "s/z:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Izvede uporabniško funkcijo '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Izvede uporabniško funkcijo '%1' in uporabi njen izhod.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "s/z:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Ustvari '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Opiši funkcijo ...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "nekaj";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "izvedi";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Ustvari funkcijo brez izhoda.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "vrni";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Ustvari funkcijo z izhodom.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Pozor: Ta funkcija ima podvojene parametre.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Označi definicijo funkcije";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Če je vrednost resnična, vrne drugo vrednost.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Pozor: Ta delček lahko uporabiš samo znotraj definicije funkcije.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "ime vnosa:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Funkciji doda vnos.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "vnosi";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Doda, odstrani ali spremeni vrstni red vnosov te funkcije.";
-Blockly.Msg["REDO"] = "Ponovi";
-Blockly.Msg["REMOVE_COMMENT"] = "Odstrani komentar";
-Blockly.Msg["RENAME_VARIABLE"] = "Preimenuj spremenljivko ...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Preimenuj vse spremenljivke »%1« v:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";
-Blockly.Msg["TEXT_APPEND_TITLE"] = "k %1 dodaj besedilo %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Doda besedilo k spremenljivki '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "v male črke";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "v Velike Začetnice";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "v VELIKE ČRKE";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Vrne kopijo besedila v drugi obliki.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "vrni prvo črko";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "vrni črko št. od konca";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "vrni črko št.";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";
-Blockly.Msg["TEXT_CHARAT_LAST"] = "vrni zadnjo črko";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "vrni naključno črko";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "v besedilu %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Vrne črko na določenem mestu v besedilu.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "preštej %1 v %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Prešteje kolikokrat se neko besedilo pojavi znotraj drugega besedila.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Doda element k besedilu.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "združi";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Doda, odstrani ali spremeni vrstni red elementov tega besedila.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "do črke št. od konca";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "do črke št.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "do zadnje črke";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "iz besedila";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "vrni del od prve črke";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "vrni del od črke št. od konca";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "vrni del od črke št.";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Vrne določen del besedila.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "najdi prvo pojavitev besedila";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "najdi zadnjo pojavitev besedila";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "v besedilu %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Vrne mesto (indeks) prve/zadnje pojavitve drugega besedila v prvem besedilu. Če besedila ne najde, vrne %1.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 je prazno";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Vrne resnično, če je določeno besedilo prazno.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "ustvari besedilo iz";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Ustvari besedilo tako, da združi poljubno število elementov.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "dolžina %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Vrne število črk oz. znakov (vključno s presledki) v določenem besedilu.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";
-Blockly.Msg["TEXT_PRINT_TITLE"] = "izpiši %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Izpiše določeno besedilo, število ali drugo vrednost.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Vpraša uporabnika za vnos števila.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Vpraša uporabnika za vnos besedila.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "vprašaj za število s sporočilom";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "vprašaj za besedilo s sporočilom";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "zamenjaj %1 z %2 v %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Zamenja vse pojavitve besedila znotraj drugega besedila.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "obrni %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Obrne vrstni red znakov v besedilu.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Črka, beseda ali vrstica besedila.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "odstrani presledke z obeh strani";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "odstrani presledke z leve strani";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "odstrani presledke z desne strani";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Vrne kopijo besedila z odstranjenimi presledki z ene ali obeh strani.";
-Blockly.Msg["TODAY"] = "Danes";
-Blockly.Msg["UNDO"] = "Razveljavi";
-Blockly.Msg["UNNAMED_KEY"] = "neimenovano";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "element";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Ustvari 'nastavi %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Vrne vrednost spremenljivke.";
-Blockly.Msg["VARIABLES_SET"] = "nastavi %1 na %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Ustvari 'vrni %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Nastavi, da je vrednost spremenljivke enaka vnosu.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Spremenljivka »%1« že obstaja.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Spremenljivka z imenom »%1« že obstaja za tip »%2«";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly-jev delovni prostor";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Povej nekaj ...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/sq.js b/msg/js/sq.js
deleted file mode 100644
index 33def780bb8..00000000000
--- a/msg/js/sq.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Vendos nje Koment";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Nuk mund të fshihet variabla '%1' sepse është pjesë e definicionit të funksionit '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Ndrysho Vlerat:";
-Blockly.Msg["CLEAN_UP"] = "Pastro blloqet";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Mbyll blloqet";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Mbyll bllokun";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "Ngjyra 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "Ngjyra 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "Perpjesetim";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "Përzierje";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Perzien dy ngjyra së bashku me një raport të dhënë (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "http://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Zgjidh nje ngjyre nga nje game ngjyrash.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "ngjyre e rastesishme";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Zgjidhni një ngjyrë në mënyrë të rastësishme.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blu";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "jeshile";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "e kuqe";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "ngjyre me";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Krijo një ngjyrë me shumën e specifikuar te te kuqes, te gjelbëres, dhe bluse. Te gjitha vlerat duhet te jene mes 0 dhe 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "dil nga nje faze perseritese";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "vazhdo me elementin tjeter te nje faze perseritese";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Ndahu nga unaza.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Kapërce pjesën e mbetur të unazës, dhe vazhdo me ripërsëritjen tjetër.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Paralajmërim: Ky bllok mund të përdoret vetëm brenda unazës.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "per cdo produkt %1 ne liste %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Per cdo produkt ne nje \"liste\" \"vendos\" ndryshoren '%1' produktit, dhe pastaj bej disa deklarata.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "numero me %1 nga %2 ne %3 me nga %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Bëje identifikuesin \"%1\" që ta ketë vlerat prej numrit të fillimit deri tek numri i fundit, duke numëruar nga intervali i specifikuar, dhe ti bëj blloqet e specifikuara.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "\"Vendos\" \"kushtein\"tek \"pjesa\" \"if\"";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Shto një përfundues, që i mbërrin të gjitha kushtet në bllokun nëse.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Shto, fshij, ose rirregullo sektoret për ta rikonfiguruar këte bllok nëse.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "përndryshe";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "përndryshe nëse";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "nëse";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Nëse një vlerë është e saktë, atëherë ekzekuto disa fjali.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Nëse një vlerë është e saktë, atëherë ekzekuto bllokun e parë të fjalive. Përndryshe, ekzekuto bllokun e dytë të fjalive.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Nëse vlera e parë është e saktë, atëherë ekzekuto bllokun e parë të fjalive. Përndryshe, nëse vlera e dytë është e saktë, ekzekuto bllokun e dytë të fjalive.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Nëse vlera e parë është e saktë, atëherë ekzekuto bllokun e parë të fjalive. Përndryshe, nëse vlera e dytë është e saktë, ekzekuto bllokun e dytë të fjalive. Nëse asnjëra nga vlerat nuk është e saktë, ekzekuto bllokun e fundit të fjalive.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "http://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "ekzekuto";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "përsërit %1 herë";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Ekzekuto disa fjali disa herë.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "përsërit derisa";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "përsërit përderisa";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Përderisa një vlerë është e pasaktë, atëherë ekzekuto disa fjali.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Përderisa një vlerë është e saktë, atëherë ekzekuto disa fjali.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Fshijë të gjitha %1 të blloqeve?";
-Blockly.Msg["DELETE_BLOCK"] = "Fshij bllokun";
-Blockly.Msg["DELETE_VARIABLE"] = "Fshi variablën '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Fshi përdorimin %1 të variablës '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Fshij %1 blloqe";
-Blockly.Msg["DISABLE_BLOCK"] = "Çaktivizo bllokun";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Kopjo";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Aktivizo bllokun";
-Blockly.Msg["EXPAND_ALL"] = "Zmadho blloqet";
-Blockly.Msg["EXPAND_BLOCK"] = "Zmadho bllokun";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Hyrjet e jashtme";
-Blockly.Msg["HELP"] = "Ndihmë";
-Blockly.Msg["INLINE_INPUTS"] = "Hyrjet e brendshme";
-Blockly.Msg["IOS_CANCEL"] = "Anulo";
-Blockly.Msg["IOS_ERROR"] = "Gabim";
-Blockly.Msg["IOS_OK"] = "Në rregull";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Shto Inputet";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Lejo deklaratat";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Ky funksion ka inpute të dyfishta.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTET";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Shto";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Shto Variabël";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Grise";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Nuk mund të përdorni variabël pa emër.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Riemro";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Emri i variablës";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "krijo një listë të zbrazët";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Kthen një listë, te gjatësisë 0, duke mos përmbajtur asnjë regjistrim të të dhënave";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "listë";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Shto, fshij, ose rirregullo sektoret për ta rikonfiguruar këtë bllok të listës.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "krijo listë me";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Shto një send në listë.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Krijo një listë me ndonjë numbër të sendeve.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "i parë";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# nga fundi";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "merr";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "merr dhe fshij";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "i fundit";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "i rastësishëm";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "largo";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Rikthen tek artikulli i par në list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Kthen një send në pozicionin e specifikuar në listë.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Kthen artikullin e fundit në list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Kthen një send të rastësishëm në listë.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Fshin dhe kthen sendin e parë në listë.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Fshin dhe kthen sendin në pozicionin e specifikuar në listë.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Fshin dhe kthen sendin e fundit në listë.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Fshin dhe kthen një send të rastësishëm në listë.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Fshin sendin e parë në listë.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Fshin sendin në pozicionin e specifikuar në listë.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Fshin sendin e fundit në listë.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Kthen një send të rastësishëm në listë.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "tek # nga fundi";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "tek #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "tek i fundit";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "merr nën-listën nga i pari";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "merr nën listën nga # nga fundi";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "merr nën-listën nga #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Krijon në kopje të pjesës së specifikuar të listës.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 është sendi i fundit.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 është sendi i parë.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "gjen ndodhjen e parë të sendit";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "gjen ndodhjen e fundit të sendit";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Kthen indeksin e ndodhjes së parë/fudit të sendit në listë. Kthen %1 nëse teksti nuk është gjetur.";
-Blockly.Msg["LISTS_INLIST"] = "në listë";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 është e zbraztë";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Kthehet i saktë nëse lista është e zbraztë.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "gjatësia e %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Kthen gjatësinë e listës.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "krijo listën me sendin %1 të përsëritur %2 herë";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Krijon në listë qe përmban vlerën e dhënë të përsëritur aq herë sa numri i specifikuar.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "kthe %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Ndërro renditjen e një kopjeje të listës.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "sikurse";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "fut në";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "vendos";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Fut sendin në fillim të listës.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Fut sendin në pozicionin e specifikuar të listës.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Bashkangjit sendin në fund të listës.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Fut sendin rastësisht në listë.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Vendos sendin e parë në listë.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Vendos sendin në pozicionin e specifikuar në listë.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Vendos sendin e fundit në listë.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Vendos një send të rastësishëm në listë.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ngjitje";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "zbritje";
-Blockly.Msg["LISTS_SORT_TITLE"] = "rendit %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Rendit një kopje të listës.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabetike, injoro madhësinë e shkronjave";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numerike";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabetike";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "bëj listë nga teksti";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "bëj tekst nga lista";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Ngjit një listë tekstesh në një, të ndara me ndarës.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Ndaj tekstin në një listë tekstesh, duke ndarë në secilin ndarës.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "me ndarës";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "e pasaktë";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Kthehet ose të saktë ose të pasaktë.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "e saktë";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "http://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Ktheje të saktë nëse të dy hyrjet janë të barabarta me njëra-tjetrën.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Ktheje të saktë nëse hyrja e parë është më e madhe se hyrja e dytë.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Ktheje të saktë nëse hyrja e parë është më e madhe ose e barabartë me hyrjen e dytë.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Ktheje të saktë nëse hyrja e parë është më e vogël se hyrja e dytë.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Ktheje të saktë nëse hyrja e parë është më e vogël ose e barabartë me hyrjen e dytë.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Ktheje të saktë nëse të dy hyrjet nuk janë të barabarta me njëra-tjetrën.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "jo %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Kthehet e saktë nëse hyrja është e pasaktë. Kthehet e pasaktë nëse hyrja është e saktë.";
-Blockly.Msg["LOGIC_NULL"] = "pavlerë";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "http://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Kthehet e pavlerë.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "dhe";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ose";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Kthehet të saktë nëse të dy hyrjet janë të sakta.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Kthehet e saktë nëse së paku njëra nga hyrjet është e saktë.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "http://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "nëse e pasaktë";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "nëse e saktë";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Kontrollo kushtin në 'test'. Nëse kushti është i saktë, kthen vlerën 'nëse e saktë'; përndryshe kthen vlerën 'nëse e pasaktë'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "http://sq.wikipedia.org/wiki/Aritmetika";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Kthen shumën e dy numrave.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Kthen herësin e dy numrave.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Kthen ndryshimin e dy numrave.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Kthen produktin e dy numrave.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Kthen numrin e parë të ngritur në fuqinë e numrit të dytë.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "http://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "ndrysho %1 nga %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Shto një numër në ndryshoren '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "http://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Kthen një nga konstantet e përbashkëta: : π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infiniti).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "detyro %1 e ulët %2 e lartë %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Vëni një numër që të jetë në mes të kufive të specifikuara(përfshirëse).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "është i pjestueshme me";
-Blockly.Msg["MATH_IS_EVEN"] = "është çift";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "është negativ";
-Blockly.Msg["MATH_IS_ODD"] = "është tek";
-Blockly.Msg["MATH_IS_POSITIVE"] = "është pozitiv";
-Blockly.Msg["MATH_IS_PRIME"] = "është prim";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Kontrollo nëse një numër është çift, tek, prim, i plotë, pozitiv, negativ, ose nëse është i pjestueshëm me një numër të caktuar. Kthehet e saktë ose e pasaktë.";
-Blockly.Msg["MATH_IS_WHOLE"] = "është i plotë";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "http://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "mbetësi i %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Kthen mbetësin nga pjestimi i dy numrave.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "x";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "http://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Një numër.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "mesatarja e listës";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "numri më i madh i listës";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "mediana e listës";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "numri më i ulët i listës";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modat e listës";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "send i rastësishëm i listës";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "devijimi standard i listës";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "mbledhja e listës";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Kthen mesatarën (kuptimi aritmetik) i vlerave numerike të listës.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Kthe numrin më të madh të listës.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Kthe numrin median të listës.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Kthe numrin me të vogël të listës.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Kthe listën e sendit(eve) më të zakonshme të listës.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Kthe një element të rastësishëm nga lista.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Kthe devijimin standard të listës.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Kthe shumën e të gjithë numrave të listës.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "http://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "fraksioni i rastësishëm";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Kthe fraksionin e rastësishëm në mes të 0.0 (përfshirëse) dhe 1.0 (jopërfshirëse).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "http://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "numër i plotë i rastësishëm nga %1 deri në %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Kthe një numër të plotë të rastësishëm të dy kufijve të specifikuar, të përfshirë.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "http://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "rrumbullakësimi";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "rrumbullakësimi i ulët";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "rrumbullakësimi i lartë";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Rrumbullakësimi i numrit të lartë ose të ulët.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "http://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolut";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "rrënja katrore";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Kthen vlerën absolute të një numri.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Kthen e në fuqinë e një numri.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Kthen logaritmën natyrale të një numri.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Kthen 10 logaritmet bazë të një numri.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Kthe negacionin e një numri.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Kthen 10 në fuqinë e një numri.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Kthen rrënjën katrore të një numri.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acosinus";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asinus";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atangjentë";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "http://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Rikthe cos-1 e nje numeri.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Rikthe sin-1 e nje numeri.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Kthe tg-1 e nje numeri.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Kthe kosinusin e nje grade (jo ne radiant).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Kthe kosinusin e nje kendi (jo ne radiant).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Kthe tangentin e nje kendi (jo radiant).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Krijo variabël ngjyrë...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Krijo variabël numër";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Krijo variabël varg";
-Blockly.Msg["NEW_VARIABLE"] = "Krijo variabël...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Emri i identifikatorit të ri:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Tip i ri i variablës:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "lejo deklaratat";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "me:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Lësho funksionin e definuar nga përdoruesi '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Lëho funksionin e definuar nga përdoruesi '%1' dhe përdor daljen e tij.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "me:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Krijo '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Përshkruaj këtë funksion...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "http://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "bëj diqka";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "te";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Krijon një funksion pa dalje.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "http://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "rikthe";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Krijon një funksion me një dalje.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Paralajmërim: Ky funksion ka parametra të dyfishuar.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Thekso definicionin e funksionit";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Nëse një vlerë është e saktë, atëherë kthe një vlerë të dytë.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Paralajmërim: Ky bllok mund të përdoret vetëm brenda definicionit të funksionit.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "Fut emrin:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Shto një input në këtë funksion.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "Informacioni i futur";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Shto, hiq, ose rirendit inputet e këtij funksioni.";
-Blockly.Msg["REDO"] = "Ribëj";
-Blockly.Msg["REMOVE_COMMENT"] = "Fshij komentin";
-Blockly.Msg["RENAME_VARIABLE"] = "Ndrysho emrin variables...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Ndrysho emrin e te gjitha '%1' variablave ne :";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "ne %1 shto tekst %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "shto tekst tek varibla '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "me shkronja te vogla shtypi";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "Fillimi me shkronje te madhe shtypi";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "me shkronja te medha shtypi";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Kthe nje kopje te tekstit ne nje rast te ndryshem.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "merr shkronjen e pare";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "merr shkronjen # nga fundi";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "merr shkronjen #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "merr shkronjen e fundit";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "merr nje shkronje te rastesishme";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "në tekst %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Kthe nje shkronje nga nje pozicion i caktuar.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "numro %1 në %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Numrin sa herë paraqitet një tekst brenda një teksti tjetër.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Shto nje gje ne tekst";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "bashkangjit";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Shto, fshij, ose rirregullo sektoret për ta rikonfiguruar këtë bllok teksti.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "ne shkronjen # nga fundi";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "ne shkronjen #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "tek shkronja e fundit";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "ne tekst";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "merr vlerat qe vazhdojne me shkronjen e pare";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "merr nenvargun nga shkronja # nga fundi";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "Merr nenvargun nga shkronja #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Pergjigjet me nje pjese te caktuar teksti.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "gjej rastisjen e pare te tekstit";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "gjej rastisjen e fundit te tekstit";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "ne tekst %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Pergjigjet me indeksin e pare/fundit te rastisjes se tekstit te pare ne tekstin e dyte. Pergjigjet me %1 ne qofte se teksti nuk u gjet.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 eshte bosh";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Kthehet e vertete neqoftese teksti i dhene eshte bosh.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "krijo tekst me";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Krijo nje pjese te tekstit duke bashkuar se bashku disa sende";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "gjatesi %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Pergjigjet me nje numer shkronjash (duke perfshire hapesire) ne tekstin e dhene.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "printo %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Printo tekstin e caktuar, numer ose vlere tjeter.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Kerkoji perdoruesit nje numer.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Kerkoji perdoruesit ca tekst.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "kerko nje numer me njoftim";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "kerko tekst me njoftim";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "zëvendëso %1 me %2 në %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Zëvendëso të gjitha paraqitjet e një teksti brenda një teksti tjetër.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "kthe %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Kthen renditjen e karaktereve në tekst.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "http://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Nje shkronje, fjale, ose rresht teksti.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "prit hapesirat nga te dyja anet";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "prit hapesirat nga ana e majte";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "prit hapesirat nga ana e djathte";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Pergjigju me nje kopje te tekstit me hapesira te fshira nga njera ane ose te dyja anet.";
-Blockly.Msg["TODAY"] = "Sot";
-Blockly.Msg["UNDO"] = "Zhbëj";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "send";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Krijo 'vendos %1";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Pergjigjet me nje vlere te kesaj variable.";
-Blockly.Msg["VARIABLES_SET"] = "vendos %1 ne %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Krijo 'merr %1";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Vendos kete variable te jete e barabarte me te dhenat ne hyrje.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Një variabël e quajtur '%1' tashmë ekziston.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Një variabël me emrin '%1' veç ekziston për një tip tjetër: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/sr-latn.js b/msg/js/sr-latn.js
deleted file mode 100644
index fce1ca30a44..00000000000
--- a/msg/js/sr-latn.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Dodaj komentar";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Ne mogu da obrišem varijablu ’%1’ jer je deo definicije funkcije ’%2’";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Promeni vrednost:";
-Blockly.Msg["CLEAN_UP"] = "Ukloni blokove";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Skupi blokove";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Skupi blok";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "boja 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "boja 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "odnos";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "pomešaj";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Pomešati dve boje zajedno sa datim odnosom (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://sr.wikipedia.org/wiki/Boja";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Izaberite boju sa palete.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "slučajna boja";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Izaberite boju nasumice.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "plava";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "zelena";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "crvena";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "boja sa";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Kreiraj boju sa određenom količinom crvene,zelene, i plave. Sve vrednosti moraju biti između 0 i 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "Izađite iz petlje";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "nastavi sa sledećom iteracijom petlje";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Napusti sadržaj petlje.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Preskoči ostatak ove petlje, i nastavi sa sledećom iteracijom(ponavljanjem).";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Upozorenje: Ovaj blok može da se upotrebi samo unutar petlje.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "za svaku stavku %1 na spisku %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Za svaku stavku unutar liste, podesi promenjivu '%1' po stavci, i onda načini neke izjave-naredbe.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "prebroj sa %1 od %2 do %3 od %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Imaj promenjivu \"%1\" uzmi vrednosti od početnog broja do zadnjeg broja, brojeći po određenom intervalu, i izvrši određene blokove.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Dodajte uslov bloku „ako“.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Dodaj konačni, catch-all  (uhvati sve) uslove if bloka.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Dodaj, ukloni, ili preuredi delove kako bih rekonfigurisali ovaj if blok.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "inače";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "inače-ako";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ako";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "ako je vrednost tačna, onda izvrši neke naredbe-izjave.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "ako je vrednost tačna, onda izvrši prvi blok naredbi, U suprotnom, izvrši drugi blok naredbi.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Ako je prva vrednost tačna, onda izvrši prvi blok naredbi, u suprotnom, ako je druga vrednost tačna , izvrši drugi blok naredbi.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Ako je prva vrednost tačna, onda izvrši prvi blok naredbi, u suprotnom, ako je druga vrednost tačna , izvrši drugi blok naredbi. Ako ni jedna od vrednosti nije tačna, izvrši poslednji blok naredbi.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://sr.wikipedia.org/wiki/For_petlja";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "izvrši";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "ponovi %1 puta";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Odraditi neke naredbe nekoliko puta.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ponavljati do";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ponavljati dok";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Dok vrednost nije tačna, onda izvršiti neke naredbe.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Dok je vrednost tačna, onda izvršite neke naredbe.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Da obrišem svih %1 blokova?";
-Blockly.Msg["DELETE_BLOCK"] = "Obriši blok";
-Blockly.Msg["DELETE_VARIABLE"] = "Obriši promenljivu '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Da obrišem %1 upotreba promenljive '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Obriši %1 blokova";
-Blockly.Msg["DISABLE_BLOCK"] = "Onemogući blok";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Dupliraj";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Omogući blok";
-Blockly.Msg["EXPAND_ALL"] = "Proširi blokove";
-Blockly.Msg["EXPAND_BLOCK"] = "Proširi blok";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Spoljni ulazi";
-Blockly.Msg["HELP"] = "Pomoć";
-Blockly.Msg["INLINE_INPUTS"] = "Unutrašnji ulazi";
-Blockly.Msg["IOS_CANCEL"] = "Otkaži";
-Blockly.Msg["IOS_ERROR"] = "Greška";
-Blockly.Msg["IOS_OK"] = "U redu";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Dodaj unos";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Dozvoli izjave";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Ova funkcija ima duplicirane unose.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "UNOSI";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Dodaj";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Dodaj varijablu";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Obriši";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Ne možete da koristite prazno ime varijable.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Preimenuj";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Ime varijable";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "napravi prazan spisak";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "vraća listu, dužine 0, ne sadržavajući  evidenciju podataka";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "spisak";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Dodajte, izbrišite, ili preuredite delove kako bi se reorganizovali ovaj blok liste.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "napravi spisak sa";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Dodajte stavku na spisak.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Kreiraj listu sa bilo kojim brojem stavki.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "prva";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# sa kraja";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "preuzmi";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "preuzmi i ukloni";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "poslednja";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "slučajna";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "ukloni";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Vraća prvu stavku na spisku.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Vraća stavku na određenu poziciju na listi.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Vraća poslednju stavku na spisku.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Vraća slučajnu stavku sa spiska.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Uklanja i vraća prvu stavku sa spiska.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Uklanja i vraća stavku sa određenog položaja na spisku.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Uklanja i vraća poslednju stavku sa spiska.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Uklanja i vraća slučajnu stavku sa spiska.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Uklanja prvu stavku sa spiska.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Uklanja stavku sa određenog položaja na spisku.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Uklanja poslednju stavku sa spiska.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Uklanja slučajnu stavku sa spiska.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "do # od kraja";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "do #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "do poslednje";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "preuzmi podspisak od prve";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "preuzmi podspisak iz # sa kraja";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "preuzmi podspisak od #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Pravi kopiju određenog dela liste.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 je poslednja stavka.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 je prva stavka.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "pronađi prvo pojavljivanje stavke";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "pronađi poslednje pojavljivanje stavke";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Vraća broj prvog i/poslednjeg ulaska elementa u listu. Vraća %1 Ako element nije pronađen.";
-Blockly.Msg["LISTS_INLIST"] = "na spisku";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 je prazan";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Vraća vrednost tačno ako je lista prazna.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "dužina spiska %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Vraća dužinu spiska.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "Napraviti listu sa stavkom %1 koja se ponavlja %2 puta";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Pravi listu koja se sastoji od zadane vrednosti koju ponavljamo određeni broj šuta.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "obrnuto %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Obrni kopiju spiska.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "kao";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "ubaci na";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "postavi";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Ubacuje stavku na početak spiska.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Ubacuje stavku na određeni položaj na spisku.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Dodajte stavku na kraj spiska.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Ubacuje stavku na slučajno mesto na spisku.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Postavlja prvu stavku na spisku.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Postavlja stavku na određeni položaj na spisku.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Postavlja poslednju stavku na spisku.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Postavlja slučajnu stavku na spisku.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "rastuće";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "opadajuće";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sortiraj %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sortirajte kopiju spiska.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "azbučno, ignoriši mala i velika slova";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "kao brojeve";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "azbučno";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "napravite listu sa teksta";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "da tekst iz liste";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Da se pridruži listu tekstova u jedan tekst, podeljenih za razdvajanje.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Podeliti tekst u listu tekstova, razbijanje na svakom graničnik.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "sa razdvajanje";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "netačno";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Vraća ili tačno ili netačno.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "tačno";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://sr.wikipedia.org/wiki/Nejednakost";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Vraća vrednost „tačno“ ako su oba ulaza jednaka.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Vraća vrednost „tačno“ ako je prvi ulaz veći od drugog.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Vraća vrednost „tačno“ ako je prvi ulaz veći ili jednak drugom.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Vraća vrednost „tačno“ ako je prvi ulaz manji od drugog.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Vraća vrednost „tačno“ ako je prvi ulaz manji ili jednak drugom.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Vraća vrednost „tačno“ ako su oba ulaza nejednaka.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "nije %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Vraća vrednost „tačno“ ako je ulaz netačan. Vraća vrednost „netačno“ ako je ulaz tačan.";
-Blockly.Msg["LOGIC_NULL"] = "bez vrednosti";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Vraća „bez vrednosti“.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "i";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ili";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Vraća vrednost „tačno“ ako su oba ulaza tačna.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Vraća vrednost „tačno“ ako je bar jedan od ulaza tačan.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "proba";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "ako je netačno";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "ako je tačno";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Proveri uslov u 'test'. Ako je uslov tačan, tada vraća 'if true' vrednost; u drugom slučaju vraća 'if false' vrednost.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Vratite zbir dva broja.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Vraća količnik dva broja.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Vraća razliku dva broja.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Vraća proizvod dva broja.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Vraća prvi broj stepenovan drugim.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "promeni %1 za %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Dodajte broj promenljivoj „%1“.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://sr.wikipedia.org/wiki/Matematička_konstanta";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "vrati jednu od zajedničkih konstanti: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), ili ∞ (infinity).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "ograniči %1 nisko %2 visoko %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Ograničava broj na donje i gornje granice (uključivo).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "je deljiv sa";
-Blockly.Msg["MATH_IS_EVEN"] = "je paran";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "je negativan";
-Blockly.Msg["MATH_IS_ODD"] = "je neparan";
-Blockly.Msg["MATH_IS_POSITIVE"] = "je pozitivan";
-Blockly.Msg["MATH_IS_PRIME"] = "je prost";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Provjerava da li je broj paran, neparan, prost, cio, pozitivan, negativan, ili da li je deljiv sa određenim brojem. Vraća tačno ili netačno.";
-Blockly.Msg["MATH_IS_WHOLE"] = "je ceo";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://sr.wikipedia.org/wiki/Kongruencija";
-Blockly.Msg["MATH_MODULO_TITLE"] = "podsetnik od %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Vraća podsetnik od deljenja dva broja.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Neki broj.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "prosek spiska";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "maks. spiska";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "medijana spiska";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "min. spiska";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modus spiska";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "slučajna stavka spiska";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standardna devijacija spiska";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "zbir spiska";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Vraća prosek numeričkih vrednosti sa spiska.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Vraća najveći broj sa spiska.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Vraća medijanu sa spiska.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Vraća najmanji broj sa spiska.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Vraća najčešće stavke sa spiska.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Vraća slučajni element sa spiska.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Vraća standardnu devijaciju spiska.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Vraća zbir svih brojeva sa spiska.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://sr.wikipedia.org/wiki/Generator_slučajnih_brojeva";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "slučajni razlomak";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Vraća slučajni razlomak između 0.0 (uključivo) i 1.0 (isključivo).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://sr.wikipedia.org/wiki/Generator_slučajnih_brojeva";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "sličajno odabrani cijeli broj od %1 do %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Vraća slučajno odabrani celi broj između dve određene granice, uključivo.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://sr.wikipedia.org/wiki/Zaokruživanje";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "zaokruži";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "zaokruži naniže";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "zaokruži naviše";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Zaokružite broj na veću ili manju vrednost.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://sr.wikipedia.org/wiki/Kvadratni_koren";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "apsolutan";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "kvadratni koren";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Vraća apsolutnu vrednost broja.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "vratiti e na vlasti broja.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Vraća prirodni logaritam broja.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Vraća logaritam broja sa osnovom 10.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Vraća negaciju broja.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Vraća 10-ti stepen broja.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Vraća kvadratni koren broja.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "arc cos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "arc sin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "arc tan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://sr.wikipedia.org/wiki/Trigonometrijske_funkcije";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Vraća arkus kosinus broja.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Vraća arkus broja.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Vraća arkus tangens broja.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Vraća kosinus stepena (ne radijan).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Vraća sinus stepena (ne radijan).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Vraća tangens stepena (ne radijan).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Napravi promenljivu…";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Ime nove promenljive:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "dozvoliti izreke";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "sa:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Pokrenite prilagođenu funkciju „%1“.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Pokrenite prilagođenu funkciju „%1“ i koristi njen izlaz.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "sa:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Napravi „%1“";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Opisati ovu funkciju...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "uradite nešto";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "da";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Pravi funkciju bez izlaza.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "vrati";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Pravi funkciju sa izlazom.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Upozorenje: Ova funkcija ima duplikate parametara.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Istakni definiciju funkcije";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Ukoliko je vrednost tačna, vrati drugu vrednost.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Upozorenje: Ovaj blok se može koristiti jedino u definiciji funkcije.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "naziv ulaza:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Dodajte ulazna funkcija.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "ulazi";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Da dodate, uklonite ili pereuporяdočitь ulaza za ovu funkciju.";
-Blockly.Msg["REDO"] = "Ponovi";
-Blockly.Msg["REMOVE_COMMENT"] = "Ukloni komentar";
-Blockly.Msg["RENAME_VARIABLE"] = "Preimenuj promenljivu…";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Preimenuj sve „%1“ promenljive u:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "na %1 dodaj tekst %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Dodajte tekst na promenljivu „%1“.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "malim slovima";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "svaka reč velikim slovom";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "velikim slovima";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Vraća primerak teksta sa drugačijom veličinom slova.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "preuzmi prvo slovo";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "preuzmi slovo # sa kraja";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "preuzmi slovo #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "preuzmi poslednje slovo";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "preuzmi slučajno slovo";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "u tekstu %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Vraća slovo na određeni položaj.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "broj %1 u %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Broji koliko puta se neki tekst pojavljuje unutar nekog drugog teksta.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Dodajte stavku u tekst.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "spajanjem";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Dodaj, ukloni, ili drugačije poredaj odjelke kako bi iznova postavili ovaj tekst blok.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "slovu # sa kraja";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "slovu #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "poslednjem slovu";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "u tekstu";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "preuzmi podnisku iz prvog slova";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "preuzmi podnisku iz slova # sa kraja";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "preuzmi podnisku iz slova #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Vraća određeni deo teksta.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "pronađi prvo pojavljivanje teksta";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "pronađi poslednje pojavljivanje teksta";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "u tekstu %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Vraća odnos prvog/zadnjeg pojavljivanja teksta u drugom tekstu. Vrađa %1 ako tekst nije pronađen.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 je prazan";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Vraća tačno ako je dostavljeni tekst prazan.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "napiši tekst sa";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Napraviti dio teksta spajajući različite stavke.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "dužina teksta %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Vraća broj slova (uključujući razmake) u datom tekstu.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "prikaži %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Prikažite određeni tekst, broj ili drugu vrednost na ekranu.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Pitajte korisnika za broj.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Pitajte korisnika za unos teksta.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "pitaj za broj sa porukom";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "pitaj za tekst sa porukom";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "zamena %1 sa %2 u %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Zamena svih pojava nekog teksta unutar nekog drugog teksta.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "obrnuto %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Obrće redosled karaktera u tekstu.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://sr.wikipedia.org/wiki/Niska";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Slovo, reč ili red teksta.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim praznine sa obe strane";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "skratiti prostor sa leve strane";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "skratiti prostor sa desne strane";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Vraća kopiju teksta sa uklonjenim prostorom sa jednog od dva kraja.";
-Blockly.Msg["TODAY"] = "Danas";
-Blockly.Msg["UNDO"] = "Opozovi";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "stavka";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Napravi „postavi %1“";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Vraća vrednost ove promenljive.";
-Blockly.Msg["VARIABLES_SET"] = "postavi %1 u %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Napravi „preuzmi %1“";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Postavlja promenljivu tako da bude jednaka ulazu.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Promenljiva pod imenom '%1' već postoji.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Varijabla po imenu '%1' već postoji za drugu varijablu tipa '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/sr.js b/msg/js/sr.js
deleted file mode 100644
index 22deafa0cb2..00000000000
--- a/msg/js/sr.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Додај коментар";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Није могуће избрисати променљиву „%1” јер је део дефиниције функције „%2”";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Промена вредности:";
-Blockly.Msg["CLEAN_UP"] = "Очисти блокове";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Срушени блокови садрже упозорења.";
-Blockly.Msg["COLLAPSE_ALL"] = "Скупи блокове";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Скупи блок";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "боја 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "боја 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "однос";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "помешај";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Меша две боје заједно са датим односом (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://sr.wikipedia.org/wiki/Боја";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Одаберите боју са палете.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "случајна боја";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Одаберите боју насумично.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "плава";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "зелена";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "црвена";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "боја са";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Направите боју са одређеном количином црвене, зелене и плаве. Све вредности морају бити између 0 и 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "изађи из петље";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "настави са следећом итерацијом петље";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Напусти садржај петље.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Прескочи остатак ове петље, и настави са следећом итерацијом(понављанјем).";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Упозорење: Овај блок може да се употреби само унутар петље.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "за сваку ставку %1 на списку %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "За сваку ставку унутар листе, подеси промењиву '%1' по ставци, и онда начини неке изјаве-наредбе.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "преброј са %1 од %2 до %3 од %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Имај промењиву \"%1\" узми вредности од почетног броја до задњег броја, бројећи по одређеном интервалу, и изврши одређене блокове.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Додајте услов блоку „ако“.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Додај коначни, catch-all  (ухвати све) услове иф блока.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Додај, уклони, или преуреди делове како бих реконфигурисали овај иф блок.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "иначе";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "иначе-ако";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ако";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "ако је вредност тачна, онда изврши неке наредбе-изјаве.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "ако је вредност тачна, онда изврши први блок наредби, У супротном, изврши други блок наредби.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Ако је прва вредност тачна, онда изврши први блок наредби, у супротном, ако је друга вредност тачна , изврши други блок наредби.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Ако је прва вредност тачна, онда изврши први блок наредби, у супротном, ако је друга вредност тачна , изврши други блок наредби. Ако ни једна од вредности није тачна, изврши последнји блок наредби.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://sr.wikipedia.org/wiki/For_петља";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "изврши";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "понови %1 пута";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Изврши неке наредбе неколико пута.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "понављати до";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "понављати док";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Док је вредност нетачна, извршава неке наредбе.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Док је вредност тачна, извршава неке наредбе.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Избрисати свих %1 блокова?";
-Blockly.Msg["DELETE_BLOCK"] = "Избриши блок";
-Blockly.Msg["DELETE_VARIABLE"] = "Избриши променљиву ’%1’";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Избрисати %1 употребу променљиве „%2”?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Избриши %1 блокова";
-Blockly.Msg["DISABLE_BLOCK"] = "Онемогући блок";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Дуплирај";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Дуплирај коментар";
-Blockly.Msg["ENABLE_BLOCK"] = "Омогући блок";
-Blockly.Msg["EXPAND_ALL"] = "Прошири блокове";
-Blockly.Msg["EXPAND_BLOCK"] = "Прошири блок";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Спољашњи улази";
-Blockly.Msg["HELP"] = "Помоћ";
-Blockly.Msg["INLINE_INPUTS"] = "Редни улази";
-Blockly.Msg["IOS_CANCEL"] = "Откажи";
-Blockly.Msg["IOS_ERROR"] = "Грешка";
-Blockly.Msg["IOS_OK"] = "У реду";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Додај унос";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Дозволи изјаве";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Ова функција има дуплиране уносе.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "УНОСИ";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Додај";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Додај променљиву";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Избриши";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Не можете да користите празно име променљиве.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Преименуј";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Име променљиве";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "направи празан списак";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Враћа списак, дужине 0, без података";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "списак";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Додајте, избришите, или преуредите делове како би се реорганизовали овај блок листе.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "направи списак са";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Додајте ставку на списак.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Направите списак са било којим бројем ставки.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "прва";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# са краја";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "преузми";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "преузми и уклони";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "последња";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "случајна";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "уклони";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Враћа прву ставку на списку.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Враћа ставку на одређену позицију на списку.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Враћа последњу ставку са списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Враћа случајну ставку са списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Уклања и враћа прву ставку са списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Уклања и враћа ставку са одређеног положаја са списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Уклања и враћа последњу ставку са списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Уклања и враћа случајну ставку са списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Уклања прву ставку са списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Уклања ставку са одређеног положаја са списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Уклања последњу ставку са списка.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Уклања случајну ставку са списка.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "до # од краја";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "до #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "до последње";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "преузми подсписак од прве";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "преузми подсписак из # са краја";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "преузми подсписак од #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Прави копију одређеног дела списка.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 је последња ставка.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 је прва ставка.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "пронађи прво појављивање ставке";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "пронађи последње појављивање ставке";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Враћа индекс прве/последње појаве ставке на списку. Враћа %1 ако ставка није пронађена.";
-Blockly.Msg["LISTS_INLIST"] = "на списку";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 је празан";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Враћа вредност „тачно” ако је списак празан.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "дужина списка %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Враћа дужину списка.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "Направити списак са ставком %1 која се понавља %2 пута";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Прави листу која се састоји од задане вредности коју понавлјамо одређени број шута.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "обрнуто %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Обрни копију списка.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "као";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "убаци на";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "постави";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Убацује ставку на почетак списка.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Убацује ставку на одређени положај на списку.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Додајте ставку на крај списка.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Убацује ставку на случајно место на списку.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Поставља прву ставку на списку.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Поставља ставку на одређени положај на списку.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Поставља последњу ставку на списку.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Поставља случајну ставку на списку.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "растуће";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "опадајуће";
-Blockly.Msg["LISTS_SORT_TITLE"] = "сортирај %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Сортирајте копију списка.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "азбучно, игнориши мала и велика слова";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "као бројеве";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "азбучно";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "направите листу са текста";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "направи текст из списка";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Спаја списак текстова у један текст, раздвојених граничником.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Раздваја текст у списак текстова, преламањем на сваком граничнику.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "са граничником";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "нетачно";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Враћа или „тачно“ или „нетачно“.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "тачно";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://sr.wikipedia.org/wiki/Неједнакост";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Враћа вредност „тачно“ ако су оба улаза једнака.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Враћа вредност „тачно“ ако је први унос већи од другог.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Враћа вредност „тачно“ ако је први унос већи или једнак другом.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Враћа вредност „тачно“ ако је први унос мањи од другог.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Враћа вредност „тачно“ ако је први унос мањи или једнак другом.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Враћа вредност „тачно“ ако су оба уноса неједнака.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "није %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Враћа вредност „тачно“ ако је унос нетачан. Враћа вредност „нетачно“ ако је унос тачан.";
-Blockly.Msg["LOGIC_NULL"] = "без вредности";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Враћа „без вредности“.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "и";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "или";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Враћа вредност „тачно“ ако су оба уноса тачна.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Враћа вредност „тачно“ ако је бар један од уноса тачан.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "проба";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "ако је нетачно";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "ако је тачно";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Проверите услов у „проба”. Ако је услов тачан, тада враћа „ако је тачно” вредност; у другом случају враћа „ако је нетачно” вредност.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://sr.wikipedia.org/wiki/Аритметика";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Враћа збир два броја.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Враћа количник два броја.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Враћа разлику два броја.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Враћа производ два броја.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Враћа први број степенован другим.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "атан2 од X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Врати арктангенту тачке (X, Y) у степенима од -180 до 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "промени %1 за %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Додаје број променљивој „%1”.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://sr.wikipedia.org/wiki/Математичка_константа";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Враћа једну од заједничких константи: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), или ∞ (бесконачно).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "ограничи %1 ниско %2 високо %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Ограничава број на доње и горње границе (укључиво).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "је дељив са";
-Blockly.Msg["MATH_IS_EVEN"] = "је паран";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "је негативан";
-Blockly.Msg["MATH_IS_ODD"] = "је непаран";
-Blockly.Msg["MATH_IS_POSITIVE"] = "је позитиван";
-Blockly.Msg["MATH_IS_PRIME"] = "је прост";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Проверава да ли је број паран, непаран, прост, цео, позитиван, негативан, или дељив са одређеним бројем. Враћа „тачно” или „нетачно”.";
-Blockly.Msg["MATH_IS_WHOLE"] = "је цео";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://sr.wikipedia.org/wiki/Конгруенција";
-Blockly.Msg["MATH_MODULO_TITLE"] = "подсетник од %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Враћа подсетник од дељења два броја.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://sr.wikipedia.org/wiki/Број";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Број.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "просек списка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "макс. списка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "медијана списка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "мин. списка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "модус списка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "случајна ставка списка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "стандардна девијација списка";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "збир списка";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Враћа просек (аритметичку средину) бројева са списка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Враћа највећи број са списка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Враћа медијану са списка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Враћа најмањи број са списка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Враћа списак најчешћих ставки на списку.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Враћа случајни елемент са списка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Враћа стандардну девијацију списка.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Враћа збир свих бројева са списка.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://sr.wikipedia.org/wiki/Генератор_случајних_бројева";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "случајни разломак";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Враћа случајни разломак између 0.0 (укључиво) и 1.0 (искључиво).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://sr.wikipedia.org/wiki/Генератор_случајних_бројева";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "сличајно одабрани цијели број од %1 до %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Враћа случајно одабрани цели број између две одређене границе, уклјучиво.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://sr.wikipedia.org/wiki/Заокруживање";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "заокружи";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "заокружи наниже";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "заокружи навише";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Заокружује број на већу или мању вредност.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://sr.wikipedia.org/wiki/Квадратни_корен";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "апсолутно";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "квадратни корен";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Враћа апсолутну вредност броја.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Враћа е-број на степен броја.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Враћа природни логаритам броја.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Враћа логаритам броја са основом 10.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Враћа негацију броја.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Враћа 10-ти степен броја.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Враћа квадратни корен броја.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "арц цос";
-Blockly.Msg["MATH_TRIG_ASIN"] = "арц син";
-Blockly.Msg["MATH_TRIG_ATAN"] = "арц тан";
-Blockly.Msg["MATH_TRIG_COS"] = "цос";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://sr.wikipedia.org/wiki/Тригонометријске_функције";
-Blockly.Msg["MATH_TRIG_SIN"] = "син";
-Blockly.Msg["MATH_TRIG_TAN"] = "тан";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Враћа аркус косинус броја.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Враћа аркус синус броја.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Враћа аркус тангенс броја.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Враћа косинус степена (не радијан).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Враћа синус степена (не радијан).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Враћа тангенс степена (не радијан).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Направи променљиву боје...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Направи променљиву броја...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Направи променљиву ниске...";
-Blockly.Msg["NEW_VARIABLE"] = "Направи променљиву…";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Име нове променљиве:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Нова врста променљиве:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "дозволи изјаве";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "са:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://sr.wikipedia.org/wiki/Потпрограм";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Покреће кориснички дефинисану функцију „%1”.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://sr.wikipedia.org/wiki/Потпрограм";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Покреће кориснички дефинисану функцију „%1” и користи њен излаз.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "са:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Направи „%1”";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Опишите ову функцију…";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "урадите нешто";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "до";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Прави функцију без излаза.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "врати";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Прави функцију са излазом.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Упозорење: Ова функција има дуплиране параметре.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Истакни дефиницију функције";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Ако је прва вредност тачна, враћа другу вредност.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Упозорење: Овај блок се може користити једино унутар дефиниције функције.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "име параметра:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Додајте улазни параметар финкцији.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "улази";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Додајте, уклоните или преуредите уносе за ову функцију.";
-Blockly.Msg["REDO"] = "Понови";
-Blockly.Msg["REMOVE_COMMENT"] = "Уклони коментар";
-Blockly.Msg["RENAME_VARIABLE"] = "Преименуј променљиву…";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Преименуј све ’%1’ променљиве у:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "на %1 додај текст %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Додаје текст променљивој „%1”.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "малим словима";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "свака реч великим словом";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "великим словима";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Враћа примерак текста са другачијом величином слова.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "преузми прво слово";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "преузми слово # са краја";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "преузми слово #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "преузми последње слово";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "преузми случајно слово";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "у тексту %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Враћа слово на одређени положај.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "број %1 у %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Броји колико пута се неки текст појављује унутар неког другог текста.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Додајте ставку у текст.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "спој";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Додај, уклони, или другачије поредај одјелке како би изнова поставили овај текст блок.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "слову # са краја";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "слову #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "последњем слову";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "у тексту";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "преузми подниску из првог слова";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "преузми подниску из слова # са краја";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "преузми подниску из слова #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Враћа одређени део текста.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "пронађи прво појављивање текста";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "пронађи последње појављивање текста";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "у тексту %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Враћа индекс првог/задњег појављивања првог текста у другом тексту. Враћа %1 ако текст није пронађен.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 је празан";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Враћа „тачно” ако је достављени текст празан.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "напиши текст са";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Направити дио текста спајајући различите ставке.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "дужина текста %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Враћа број слова (уклјучујући размаке) у датом тексту.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "прикажи %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Прикажите одређени текст, број или другу вредност на екрану.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Питајте корисника за број.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Питајте корисника за унос текста.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "питај за број са поруком";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "питај за текст са поруком";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "замена %1 са %2 у %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Замена свих појава неког текста унутар неког другог текста.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "обрнуто %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Обрће редослед карактера у тексту.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://sr.wikipedia.org/wiki/Ниска";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Слово, реч или ред текста.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "трим празнине са обе стране";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "скратити простор са леве стране";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "скратити простор са десне стране";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Враћа копију текста са уклонјеним простором са једног од два краја.";
-Blockly.Msg["TODAY"] = "Данас";
-Blockly.Msg["UNDO"] = "Опозови";
-Blockly.Msg["UNNAMED_KEY"] = "неименовано";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "ставка";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Направи блок за доделу вредности %1";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Враћа вредност ове променљиве.";
-Blockly.Msg["VARIABLES_SET"] = "постави %1 у %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Направи блок за преузимање вредности из „%1”";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Поставља променљиву тако да буде једнака улазу.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Променљива под именом ’%1’ већ постоји.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Променљива под именом ’%1’ већ постоји за други тип: ’%2’.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Блоклијев радни простор";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Кажите нешто…";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/sv.js b/msg/js/sv.js
deleted file mode 100644
index 5500b66eea6..00000000000
--- a/msg/js/sv.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Lägg till kommentar";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Kan inte radera variabeln '%1' eftersom den är en del av definition för funktionen '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Ändra värde:";
-Blockly.Msg["CLEAN_UP"] = "Städa upp block";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Hopfällda block innehåller varningar.";
-Blockly.Msg["COLLAPSE_ALL"] = "Fäll ihop block";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Fäll ihop block";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "färg 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "färg 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "förhållande";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "blanda";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Blandar ihop två färger med ett bestämt förhållande (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://sv.wikipedia.org/wiki/Färg";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Välj en färg från paletten.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "slumpfärg";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Slumpa fram en färg.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "blå";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "grön";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "röd";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "färg med";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Skapa en färg med det angivna mängden röd, grön och blå. Alla värden måste vara mellan 0 och 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "bryt ut ur loop";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "fortsätta med nästa upprepning av loop";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Bryt ut ur den innehållande upprepningen.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Hoppa över resten av denna loop och fortsätt med nästa loop.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Varning: Detta block kan endast användas i en loop.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "för varje föremål %1 i listan %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "För varje objekt i en lista, ange variabeln '%1' till objektet, och utför sedan några kommandon.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "räkna med %1 från %2 till %3 med %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Låt variabeln \"%1\" anta värden från starttalet till sluttalet, beräknat med det angivna intervallet, och utför de angivna blocken.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Lägg till ett villkor blocket \"om\".";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Lägg till ett sista villkor som täcker alla alternativ som är kvar för \"if\"-blocket.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Lägg till, ta bort eller ändra ordningen för sektioner för att omkonfigurera blocket \"om\".";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "annars";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "annars om";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "om";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Om ett värde är sant, utför några kommandon.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Om värdet är sant, utför det första kommandoblocket. Utför annars det andra kommandoblocket.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Om det första värdet är sant, utför det första kommandoblocket. Annars, om det andra värdet är sant, utför det andra kommandoblocket.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Om det första värdet är sant, utför det första kommandoblocket. Annars, om det andra värdet är sant, utför det andra kommandoblocket. Om ingen av värdena är sanna, utför det sista kommandoblocket.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "utför";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "upprepa %1 gånger";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Utför några kommandon flera gånger.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "upprepa tills";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "upprepa så länge";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Medan ett värde är falskt, utför några kommandon.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Medan ett värde är sant, utför några kommandon.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Radera alla %1 block?";
-Blockly.Msg["DELETE_BLOCK"] = "Radera block";
-Blockly.Msg["DELETE_VARIABLE"] = "Radera variabeln \"%1\"";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Radera %1 användningar av variabeln \"%2\"?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Radera %1 block";
-Blockly.Msg["DISABLE_BLOCK"] = "Inaktivera block";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Duplicera";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicera kommentar";
-Blockly.Msg["ENABLE_BLOCK"] = "Aktivera block";
-Blockly.Msg["EXPAND_ALL"] = "Fäll ut block";
-Blockly.Msg["EXPAND_BLOCK"] = "Fäll ut block";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Externa inmatningar";
-Blockly.Msg["HELP"] = "Hjälp";
-Blockly.Msg["INLINE_INPUTS"] = "Radinmatning";
-Blockly.Msg["IOS_CANCEL"] = "Avbryt";
-Blockly.Msg["IOS_ERROR"] = "Fel";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Lägg till inmatning";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Tillåt kommandon";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Denna funktion har dubblettinmatningar.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INMATNINGAR";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Lägg till";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Lägg till variabel";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Radera";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Du kan inte använda ett tomt variabelnamn.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Döp om";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variabelnamn";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "skapa tom lista";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Ger tillbaka en lista utan någon data, alltså med längden 0";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "lista";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Lägg till, ta bort eller ändra ordningen på objekten för att göra om det här \"list\"-blocket.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "skapa lista med";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Lägg till ett föremål till listan.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Skapa en lista med valfritt antal föremål.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "första";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# från slutet";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "hämta";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "hämta och ta bort";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "sista";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "slumpad";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "ta bort";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returnerar det första objektet i en lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Ger tillbaka objektet på den efterfrågade positionen i en lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returnerar det sista objektet i en lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returnerar ett slumpmässigt objekt i en lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Tar bort och återställer det första objektet i en lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Tar bort och återställer objektet på den specificerade positionen i en lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Tar bort och återställer det sista objektet i en lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Tar bort och återställer ett slumpmässigt objekt i en lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Tar bort det första objektet i en lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Tar bort objektet på den specificerade positionen i en lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Tar bort det sista objektet i en lista.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Tar bort en slumpmässig post i en lista.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "till # från slutet";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "till #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "till sista";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "få underlista från första";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "få underlista från # från slutet";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "få underlista från #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Skapar en kopia av den specificerade delen av en lista.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 är det sista objektet.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 är det första objektet.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "hitta första förekomsten av objektet";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "hitta sista förekomsten av objektet";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Ger tillbaka den första/sista förekomsten av objektet i listan. Returnerar %1 om objektet inte hittas.";
-Blockly.Msg["LISTS_INLIST"] = "i listan";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 är tom";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returnerar sant om listan är tom.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "längden på %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returnerar längden på en lista.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "skapa lista med föremålet %1 upprepat %2 gånger";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Skapar en lista som innehåller ett valt värde upprepat ett bestämt antalet gånger.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "vänd på %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Vänd på en kopia av en lista.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "som";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "Sätt in vid";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "ange";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "sätter in objektet i början av en lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Sätter in objektet vid en specificerad position i en lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Lägg till objektet i slutet av en lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "sätter in objektet på en slumpad position i en lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Anger det första objektet i en lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sätter in objektet vid en specificerad position i en lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Anger det sista elementet i en lista.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sätter in ett slumpat objekt i en lista.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "stigande";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "fallande";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sortera %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sortera en kopia av en lista.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabetiskt, ignorera skiftläge";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeriskt";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabetiskt";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "skapa lista från text";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "skapa text från lista";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Sammanfoga en textlista till en text, som separeras av en avgränsare.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Dela upp text till en textlista och bryt vid varje avgränsare.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "med avgränsare";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "falskt";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Returnerar antingen sant eller falskt.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "sant";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://sv.wikipedia.org/wiki/Olikhet";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Ger tillbaka sant om båda värdena är lika med varandra.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Ger tillbaka sant om det första värdet är större än det andra.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Ger tillbaka sant om det första värdet är större än eller lika med det andra.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Ger tillbaka sant om det första värdet är mindre än det andra.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Ger tillbaka sant om det första värdet är mindre än eller lika med det andra.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Ger tillbaka sant om båda värdena inte är lika med varandra.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "inte %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Ger tillbaka sant om inmatningen är falsk. Ger tillbaka falskt och inmatningen är sann.";
-Blockly.Msg["LOGIC_NULL"] = "null";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://sv.wikipedia.org/wiki/Null";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returnerar null.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "och";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "eller";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Ger tillbaka sant om båda värdena är sanna.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Ger tillbaka sant om minst ett av värdena är sant.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "om falskt";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "om sant";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Kontrollera villkoret i \"test\". Om villkoret är sant, ge tillbaka \"om sant\"-värdet; annars ge tillbaka \"om falskt\"-värdet.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://sv.wikipedia.org/wiki/Aritmetik";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Returnerar summan av de två talen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Returnerar kvoten av de två talen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Returnerar differensen mellan de två talen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Returnerar produkten av de två talen.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Ger tillbaka det första talet upphöjt till det andra talet.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 av X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Returnerar arcustangens av punkt (X, Y) i grader från -180 till 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "ändra %1 med %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Lägg till ett tal till variabeln '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://sv.wikipedia.org/wiki/Matematisk_konstant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Returnerar en av de vanliga konstanterna: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…) eller ∞ (oändligt).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "begränsa %1 till mellan %2 och %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Begränsa ett tal till att mellan de angivna gränsvärden (inkluderande).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "är delbart med";
-Blockly.Msg["MATH_IS_EVEN"] = "är jämnt";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "är negativt";
-Blockly.Msg["MATH_IS_ODD"] = "är ojämnt";
-Blockly.Msg["MATH_IS_POSITIVE"] = "är positivt";
-Blockly.Msg["MATH_IS_PRIME"] = "är ett primtal";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Kontrollera om ett tal är jämnt, ojämnt, helt, positivt, negativt eller det är delbart med ett bestämt tal. Returnerar med sant eller falskt.";
-Blockly.Msg["MATH_IS_WHOLE"] = "är helt";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://sv.wikipedia.org/wiki/Modulär_aritmetik";
-Blockly.Msg["MATH_MODULO_TITLE"] = "resten av %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Returnerar kvoten från divisionen av de två talen.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://sv.wikipedia.org/wiki/Tal";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Ett tal.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "medelvärdet av listan";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "högsta talet i listan";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "medianen av listan";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "minsta talet i listan";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "typvärdet i listan";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "slumpmässigt objekt i listan";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standardavvikelsen i listan";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "summan av listan";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Ger tillbaka medelvärdet (aritmetiskt) av de numeriska värdena i listan.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Ger tillbaka det största talet i listan.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Returnerar medianen av talen i listan.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Ger tillbaka det minsta talet i listan.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Ger tillbaka en lista med de(t) vanligaste objekte(t/n) i listan.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Returnerar ett slumpmässigt element från listan.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Ger tillbaka standardavvikelsen i listan.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Ger tillbaka summan av alla talen i listan.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://sv.wikipedia.org/wiki/Slumptalsgenerator";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "slumpat decimaltal";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Ger tillbaka ett slumpat decimaltal mellan 0.0 (inkluderat) och 1.0 (exkluderat).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://sv.wikipedia.org/wiki/Slumptalsgenerator";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "slumpartat heltal från %1 till %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Ger tillbaka ett slumpat heltal mellan två värden, inkluderande.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://sv.wikipedia.org/wiki/Avrundning";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "avrunda";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "avrunda nedåt";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "avrunda uppåt";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Avrunda ett tal uppåt eller nedåt.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://sv.wikipedia.org/wiki/Kvadratrot";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolut";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "kvadratrot";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Returnerar absolutvärdet av ett tal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Ger tillbaka e upphöjt i ett tal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Returnera den naturliga logaritmen av ett tal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Returnerar logaritmen för bas 10 av ett tal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Returnerar negationen av ett tal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Ger tillbaka 10 upphöjt i ett tal.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Returnerar kvadratroten av ett tal.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "arccos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "arcsin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "arctan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://sv.wikipedia.org/wiki/Trigonometrisk_funktion";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Ger tillbaka arcus cosinus (arccos) för ett tal.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Ger tillbaka arcus sinus (arcsin) för ett tal.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Ger tillbaka arcus tangens (arctan) av ett tal.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Ger tillbaka cosinus för en grad (inte radian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Ger tillbaka sinus för en grad (inte radian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Ger tillbaka tangens för en grad (inte radian).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Skapa färgvariabel...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Skapa siffervariabel...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Skapa strängvariabel...";
-Blockly.Msg["NEW_VARIABLE"] = "Skapa variabel...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Nytt variabelnamn:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Ny variabeltyp:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "tillåta uttalanden";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "med:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Kör den användardefinierade funktionen \"%1\".";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Kör den användardefinierade funktionen \"%1\" och använd resultatet av den.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "med:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Skapa '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Beskriv denna funktion...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://sv.wikipedia.org/wiki/Funktion_%28programmering%29";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "göra något";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "för att";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Skapar en funktion utan output.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://sv.wikipedia.org/wiki/Funktion_%28programmering%29";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "returnera";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Skapar en funktion med output.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Varning: Denna funktion har dubbla parametrar.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Markera funktionsdefinition";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Om ett värde är sant returneras ett andra värde.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Varning: Detta block får användas endast i en funktionsdefinition.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "inmatningsnamn:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Lägg till en inmatning till funktionen.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inmatningar";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Lägg till, ta bort och ändra ordningen för inmatningar till denna funktion.";
-Blockly.Msg["REDO"] = "Gör om";
-Blockly.Msg["REMOVE_COMMENT"] = "Radera kommentar";
-Blockly.Msg["RENAME_VARIABLE"] = "Byt namn på variabel...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Byt namn på alla'%1'-variabler till:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "för att %1 lägga till text %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Lägg till lite text till variabeln '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "till gemener";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "till Versala Initialer";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "till VERSALER";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Returnerar en kopia av texten i ett annat skiftläge.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "hämta första bokstaven";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "hämta bokstaven # från slutet";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "hämta bokstaven #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "hämta sista bokstaven";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "hämta slumpad bokstav";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "i texten %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Ger tillbaka bokstaven på den specificerade positionen.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "räkna %1 i %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Räkna hur många gånger en text förekommer inom en annan text.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Lägg till ett föremål till texten.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "sammanfoga";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Lägg till, ta bort eller ändra ordningen för sektioner för att omkonfigurera detta textblock.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "till bokstav # från slutet";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "till bokstav #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "till sista bokstaven";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "i texten";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "få textdel från första bokstaven";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "få textdel från bokstav # från slutet";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "få textdel från bokstav #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Ger tillbaka en viss del av texten.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "hitta första förekomsten av texten";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "hitta sista förekomsten av texten";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "i texten %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Ger tillbaka indexet för den första/sista förekomsten av första texten i den andra texten.  Ger tillbaka %1 om texten inte hittas.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 är tom";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returnerar sant om den angivna texten är tom.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "skapa text med";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Skapa en textbit genom att sammanfoga ett valfritt antal föremål.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "längden på %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Ger tillbaka antalet bokstäver (inklusive mellanslag) i den angivna texten.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "skriv %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Skriv den angivna texten, talet eller annat värde.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Fråga användaren efter ett tal.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Fråga användaren efter lite text.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "fråga efter ett tal med meddelande";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "fråga efter text med meddelande";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "ersätt %1 med %2 i %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Ersätt alla förekomster av en text inom en annan text.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "vänd på %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Vänder på teckenordningen i texten.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://sv.wikipedia.org/wiki/Str%C3%A4ng_%28data%29";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "En bokstav, ord eller textrad.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "ta bort mellanrum från båda sidorna av";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "ta bort mellanrum från vänstra sidan av";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "ta bort mellanrum från högra sidan av";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Returnerar en kopia av texten med borttagna mellanrum från en eller båda ändar.";
-Blockly.Msg["TODAY"] = "Idag";
-Blockly.Msg["UNDO"] = "Ångra";
-Blockly.Msg["UNNAMED_KEY"] = "namnlös";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "föremål";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Skapa \"välj %1\"";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returnerar värdet av denna variabel.";
-Blockly.Msg["VARIABLES_SET"] = "ange %1 till %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Skapa 'hämta %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Gör så att den här variabeln blir lika med inputen.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "En variabel med namnet \"%1\" finns redan.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "En variabel med namnet \"%1\" finns redan för en annan typ: \"%2\".";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blocklys arbetsyta";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Säg någonting...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/ta.js b/msg/js/ta.js
deleted file mode 100644
index a035dc48198..00000000000
--- a/msg/js/ta.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "கருத்தை சேர்";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "மதிப்பை மாற்றவும்:";
-Blockly.Msg["CLEAN_UP"] = "Clean up Blocks";  // untranslated
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "உறுப்புகளை மரை";
-Blockly.Msg["COLLAPSE_BLOCK"] = "உறுப்பை மரை";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "நிறம் 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "நிறம் 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "விகிதம்";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "கலப்பு (வண்ணம்)";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "கொடுக்கப்பட்ட விகதத்தில் (0.0 - 1.0) இரு நிறங்களை கலக்குக.";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "வண்ண தட்டிலிருந்து ஒரு நிறத்தைத் தேர்ந்தெடுக்கவும்.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "தற்போக்கு நிறம்";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "தற்போக்கில் ஒரு நிறத்தை தேர்ந்தெடுக்கவும்.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "நீலம்";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "பச்சை";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "சிகப்பு";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "நிறத்துடன்";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "குறிப்பிட்ட அளவு சிவப்பு,பச்சை மற்றும் நீலம் சேர்த்து புது நிறம் உருவாக்கு. மதிப்புகள் 0 முதல் 100 வரை மட்டுமே இருக்க வேண்டும்.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "மடக்கு கட்டளையை நிறுத்து.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "மடக்கு கட்டளையின் அடுத்த இயக்கநிலைக்கு செல்";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "மடக்கு கட்டளையின் இயக்கத்தில் இருந்து நிறுத்து.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "மடக்கு கட்டளையின் மீதியை விட்டுவிட்டு அடுத்த இயக்கநிலைக்கு செல்";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "எச்சரிக்கை : மடக்கு கூற்றில் இந்த தொகுதி ஒரு முறை மட்டுமே செயல்படுத்தப் படலாம்.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "உருப்படி ஒவ்வொன்றாக %1 பட்டியலில் உள்ள %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "பட்டியலில் உள்ள உருப்படியில் ஒவ்வொன்றாக, மாறியின் பொருள் '%1' ஆக  வைக்க.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "மாறியை வைத்து எண்ண %1 %2 இல் இருந்து %3 வரை %4-இன் படியாக";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "முதல் எண்ணில்  இருந்து கடை எண் வரை எடுத்துக்கொள்ள  ஒரு மாறியை வைத்துக்கொள், குறித்த இடைவெளியை  சேர்த்தவறே தொகுதிகளை செயலாக்கு.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "ஆனால் தொகுப்பிற்கு நிபந்தனை சேர்க்க";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "ஆனால் தொகுப்பிற்கு விதிவிலக்கு காப்பை சேர்க்க";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "கட்டளைகளை தொகுப்பு திருத்துதம் செய்";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "இல்லையெனில்";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "இல்லைஆனால்";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "எனில்";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "மாறி உண்மை ஆக உள்ள வரை, கட்டளைகளை இயக்கு";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "மாறி உண்மை ஆக உள்ள வரை, கட்டளைகளை இயக்கு. அல்லது மற்ற (அடுத்த) கட்டளைகளை இயக்கு.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "மாறி உண்மை ஆக உள்ள வரை, கட்டளைகளை தொகுப்பு இயக்கு. அல்லது மற்ற (அடுத்த) கட்டளைகளை தொகுப்பு இயக்கு.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "மாறி உண்மை ஆக உள்ள வரை, கட்டளைகளை தொகுப்பு இயக்கு. அல்லது மற்ற (அடுத்த) கட்டளைகளை தொகுப்பு இயக்கு. இரண்டும் இல்லை என்றால் கடைசி தொகுப்பு இயக்கு.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "செய்க";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "'%1' முரை திரும்ப செய்";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "கட்டளைகளை பல முரை செய்ய";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "பலமுரை திரும்ப செய் (முடயேனில்)";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "பலமுரை திரும்ப செய் (வரை)";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "மாறி பொய் ஆக உள்ள வரை, கட்டளைகளை இயக்கு";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "மாறி உண்மை ஆக உள்ள வரை, கட்டளைகளை இயக்கு";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "அனைத்து %1 நிரல் துண்டுகளையும் அழிக்கவா??";
-Blockly.Msg["DELETE_BLOCK"] = "உறுப்பை நீக்கு";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 உறுப்பை நீக்கு";
-Blockly.Msg["DISABLE_BLOCK"] = "உறுப்பை இயங்காது செய்";
-Blockly.Msg["DUPLICATE_BLOCK"] = "மறுநகல்";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "உறுப்பை இயங்குமாரு செய்";
-Blockly.Msg["EXPAND_ALL"] = "உறுப்புகளை  காட்டு";
-Blockly.Msg["EXPAND_BLOCK"] = "உறுப்பை காட்டு";
-Blockly.Msg["EXTERNAL_INPUTS"] = "வெளி கருவிகளுடன் உள்ளீடு";
-Blockly.Msg["HELP"] = "உதவி";
-Blockly.Msg["INLINE_INPUTS"] = "சூழமைவில் உள்ளீடு";
-Blockly.Msg["IOS_CANCEL"] = "இரத்து செய்";
-Blockly.Msg["IOS_ERROR"] = "பிழை";
-Blockly.Msg["IOS_OK"] = "சரி";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "சேர்க்கவும்";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ மாறிலியினை சேர்";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "நீக்கவும்";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "பெயர் மாற்றுக";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "மாறிலியின் பெயர்";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "காலி பட்டியல் உருவாக்க";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "காலி பட்டியல் பின்கொடு.";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "பட்டியல்";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "கட்டளைகளை தொகுப்பு திருத்துதம் செய்";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "வைத்து பட்டியல் உருவாக்க";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "பட்டியலில் ஒரு பொருளை சேர்க்க.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "இவ்வளவு உருப்படிகளை கொண்டு வேண்டுமாலும் ஒரு பட்டியலை உருவாக்கு.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "முதல்";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "கடைசியில் இருந்து #";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "எடு";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "பெற்று நீக்குக";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "கடைசி";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "ஏதோ ஒன்று";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "நீக்குக";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "பட்டியல் முதல் உருப்படியை பின்கொடு,";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "பட்டியலில்  இடத்தில் உருப்படி பின்கொடு.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "பட்டியல் கடைசி உருப்படியை பின்கொடு,";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "பட்டியல் சீரற்ற உருப்படியை பின்கொடு,";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "பட்டியல் முதல் உருப்படியை நீக்கியபின் பின்கொடு,";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "பட்டியலில் கேட்ட இடத்தின் உருப்படி நீக்கி பின்கொடு.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "பட்டியல் இறுதி உருப்படியை நீக்கியபின் பின்கொடு,";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "பட்டியல் சீரற்ற உருப்படியை நீக்கியபின் பின்கொடு,";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "பட்டியலில் முதல் உருப்படியை நீக்கு";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "பட்டியலில் கேட்ட இடத்தின் உருப்படி நீக்கு.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "பட்டியலில் கடைசி உருப்படியை நீக்கு";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "பட்டியல் சீரற்ற உருப்படியை நீக்கு,";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "முடிவில் இருந்து # வரை";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "# வரை";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "முடிவு வரை";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "# முதலில் இருந்து பகுதி பட்டியலை கொடு";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "# கடைசியில் இருந்து பகுதி பட்டியலை கொடு";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "பகுதி பட்டியலை # இடத்தில் இருந்து கொடு";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "குறிப்பட்ட பகுதி பட்டியலின் நகலை கொடு";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 கடைசி உருப்படி.ி";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 முதல் உருப்படி.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "உரையில் முதல் தோற்ற இடத்தை காட்டு";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "உரையில் கடைசி தோற்ற இடத்தை காட்டு";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "பட்டியலில் மதிப்பின் முதல், கடைசி தோற்ற இடத்தை பின்கொடு. காணாவிட்டால் %1 பின்கொடு.";
-Blockly.Msg["LISTS_INLIST"] = "பட்டியலில் உள்ள";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 காலியானது";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "பட்டியல் காலியானது மெய் பின்கொடு,";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1 இன் நீளம்";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "பட்டியல் நீளம் பின்கொடு";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "உருப்படி %1-யை, %2 தடவைகள் உள்ளவாறு ஒரு பட்டியலை உருவாக்கு";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "கொடுக்க பட்ட மதிப்பை, கூறியுள்ள தடவைகள் உள்ளவாறு ஒரு பட்டியலை உருவாக்கு";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "இதுபொல";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "அவ்விடத்தில் நுழை";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "நியமி";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "மதிப்பை பட்டியலின் முதலில் நுழை";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "பட்டியலில் கேட்ட இடத்தில் உருப்படியை நுழை.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "மதிப்பை பட்டியலின் முடிவில் நுழை";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "மதிப்பை பட்டியலின் சீற்ற இடத்தில் நுழை";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "மதிப்பை பட்டியலில் முதல் உருப்படியில் வை";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "பட்டியலில் கேட்ட இடத்தில் உருப்படியை வை.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "மதிப்பை பட்டியலில் கடைசி உருப்படியில் வை";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "மதிப்பை பட்டியலில் சீரற்ற உருப்படியில் வை";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ஏறுவரிசை";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "இறங்குவரிசை";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "எண்வரிசை";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "அகரவரிசை";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "உரையில் இருந்து பட்டியல் உருவாக்கு";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "பட்டியலில் இருந்து உரை உருவாக்கு";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "வரம்புச் சுட்டியை இடையில் இட்டு, உரைதுண்டுகளை ஒன்று சேர்";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "உரையை வரம்புச் சுட்டி கொண்டு துண்டாக்கு.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "தடை எழுத்து";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "பொய்";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "மெய், அல்லது பொய் பின்கொடு.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "மெய்";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "இரண்டு மாறியும் ஈடானால், மெய் பின்கொடு.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "முதல் உள்ளீடு இரண்டாவதைவிட அதிகமாக இருந்தால், மெய் பின்கொடு.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "முதல் உள்ளீடு இரண்டாவதைவிட அதிகமாக அல்ல சமமாக இருந்தால், மெய் பின்கொடு.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "முதல் உள்ளீடு இரண்டாவதைவிட குறைவாக இருந்தால், மெய் பின்கொடு.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "முதல் உள்ளீடு இரண்டாவதைவிட குறைவாக அல்ல சமமாக இருந்தால், மெய் பின்கொடு";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "இரண்டு மாறியும் ஈடாகாவிட்டால், மெய் பின்கொடு.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "%1 இல்லை";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "மெய் ஆனால், பொய் பின்கொடு. பொய் ஆனால், மெய் பின்கொடு.";
-Blockly.Msg["LOGIC_NULL"] = "பூஜியம்";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "பூஜியம் பின்கொடு";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "மற்றும்";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "அல்லது";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "இரண்டு மாறியும் மெய் ஆனால், மெய் பின்கொடு.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "ஏதேனும் ஒரு மதிப்பு மெய் ஆனால், மெய் பின்கொடு";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "சோதனை";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "பொய்யெனில்";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "மெய்யெனில்";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "'test' உள்ள நிபந்தனையை சரிபார்க்கவும், நிபந்தனை மெய்யானால்,'if true'வை  பின்கொடுக்கும் இல்லையெனில்  'if false'வை  பின்கொடுக்கும்.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://ta.wikipedia.org/wiki/%E0%AE%8E%E0%AE%A3%E0%AF%8D%E0%AE%95%E0%AE%A3%E0%AE%BF%E0%AE%A4%E0%AE%AE%E0%AF%8D";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "இரு எண்களின் கூட்டை பின்கொடு";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "இரு எண்களின் வகுத்தல் பின்கொடு";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "இரு எண்களின் கழிப்பை பின்கொடு";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "இரு எண்களின் பெருக்கலை பின்கொடு";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "முதல் உள்ளீடு இரண்டாவது எண் அளவான அடுக்கு பெருக்கை கணித்து பின்கொடு.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "மாற்று %1 மூலம் %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "எண்னை '%1' மதிப்பால் கூட்டு,";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%A3%E0%AE%BF%E0%AE%A4_%E0%AE%AE%E0%AE%BE%E0%AE%B1%E0%AE%BF%E0%AE%B2%E0%AE%BF";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "ஒரு மாறிலியை பின்கொடு π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (முடிவிலி).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "%1 மாறியை %2 மேலும் %3 கீழும் வற்புறுத்து";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "எண் மாறி வீசுகளம் உள்ளடங்கிய வாறு வற்புறுத்து";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "ஆல் வகுபடக் கூடியது";
-Blockly.Msg["MATH_IS_EVEN"] = "2-ஆல் பகும்";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "எண் குறைவானதா  ?";
-Blockly.Msg["MATH_IS_ODD"] = "2-ஆல் பகாத";
-Blockly.Msg["MATH_IS_POSITIVE"] = "எண் நேர்ம முழுதானதா  ?";
-Blockly.Msg["MATH_IS_PRIME"] = "எண் பகாத்தனிதானதா?";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "எண் முழுதானதா?";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "%1 ÷ %2ன் மீதி";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "இரண்டு எண்கள் மூலம் பிரிவில் இருந்து எஞ்சியதை பின்கொடு.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://ta.wikipedia.org/wiki/%E0%AE%8E%E0%AE%A3%E0%AF%8D";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "ஒரு எண்.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "பட்டியலின் எண் சராசரி";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "பட்டியலின் மிகுதி";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "பட்டியலின் நடுக்கோடு";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "பட்டியலின் கறைவு";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "பட்டியலின் பொதுவகைகள்";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "ஒரு பட்டியலில் இருந்து சீரற்ற உருப்படி";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "பட்டியலின் நியமவிலகல்";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "பட்டியலின் கூட்டு";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "முழு பட்டியலின் எண் சராசரி பின்கொடு";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "பட்டியலின் அதிகமான எண் பின்கொடு";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "பட்டியலின் நடுக்கோடு பின்கொடு";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "பட்டியலின் குறைவான எண் பின்கொடு";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "பட்டியலின் பொதுவகைகள் பின்கொடு";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "ஒரு பட்டியலில் இருந்து சீரற்ற உருப்படி பின்கொடு";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "பட்டியலின் நியமவிலகலை பின்கொடு.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "முழு பட்டியலின் எண் சமம் பின்கொடு,";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "சீரற்ற எண் பின்னம்";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "சீரற்ற எண் பின்னம், 0.0 இல் இருந்து 1.0 உட்பட, பின்கொடு.";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "வீசுகளம் %1 இல் இருந்து %2 உள்ளடங்கிய வாறு  சீரற்ற எண்";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "வீசுகளம் இல் இருந்த (உள்ளடங்கிய) வாறு  சீரற்ற எண் பின்கொடு.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "முழுமையாக்கு";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "கீழ்வழி முழுமையாக்கு";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "மேல்வழி முழுமையாக்கு";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "மேல்/கீழ் வழி முழு எண் ஆக மாற்று.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://ta.wikipedia.org/wiki/%E0%AE%B5%E0%AE%B0%E0%AF%8D%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AE%AE%E0%AF%82%E0%AE%B2%E0%AE%AE%E0%AF%8D";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "தனித்த";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "வர்க்கமூலம்";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "ஒரு எண்ணின் தனித்த மதிப்பை பின்கொடு";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "e-இன் எண் அடுக்கு  பெருக்கை பின்கொடு.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "ஒரு எண்ணின் (இயற்கை) மடக்கை மதிப்பை பின்கொடு.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "ஒரு எண்ணின் (10) மடக்கை மதிப்பை பின்கொடு.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "ஒரு எண்ணின் எதிர்மறை மதிப்பை பின்கொடு";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "10-இன் எண் அடுக்கு  பெருக்கை பின்கொடு.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "ஒரு எண்ணின் வர்க்கமூலத்தைத் தரும்.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://ta.wikipedia.org/wiki/%E0%AE%AE%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%8B%E0%AE%A3%E0%AE%B5%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D_%E0%AE%9A%E0%AE%BE%E0%AE%B0%E0%AF%8D%E0%AE%AA%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AF%8D";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "மதிப்பின் நேர்மாறு கோசைன் பின்கொடு";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "மதிப்பின் நேர்மாறு சைன் பின்கொடு";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "மதிப்பின் நேர்மாறு டேஞ்சன்டு பின்கொடு";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "டிகிரீ கோசைன் மதிப்பை பின்கொடு";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "டிகிரீ சைன் மதிப்பை பின்கொடு.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "டிகிரீ டேஞ்சன்டு மதிப்பை பின்கொடு";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "மாறிலியை உருவாக்குக...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "புதிய மாறிலியின் பெயர்:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "புதிய மாறிலியின் பெயர்:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "வாக்குமூலங்களை அனுமதிக்கவும்";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "இத்துடன்";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "பயனரின் '%1' செயற்கூற்றை ஓட்டு.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "பயனரின் '%1' செயற்கூற்றை ஓட்டி வரும் வெளியீட்டை பயன்படுத்து.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "இத்துடன்:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "'%1' உருவாக்குக";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "கட்டளைகள் செய்ய (இடம்காட்டி)";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "இந்த மாறியிற்கு";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "வெளியீடு இல்லாத ஒரு செயல்பாடு உருவாக்குகிறது";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "பின்கொடு";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "வெளியீடு உள்ள ஒரு செயல்பாடு உருவாக்குகிறது";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "எச்சரிக்கை: இந்த செயற்கூறில் போலியான அளபுருக்கள் உண்டு.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "நிரல்பாகத்தை விளக்கமாக காட்டு";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "மதிப்பு உண்மையானால், இரண்டாவது மதிப்பை பின்கொடு.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "பெயரை உள்ளிடுக:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "செயல்கூறுக்கு ஒரு உள்ளீட்டை சேர்.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "உள்ளீடுகள்";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "செயல்கூறுகளின் உள்ளீட்டை சேர், நீக்கு, or மீண்டும் வரிசை செய்.";
-Blockly.Msg["REDO"] = "மீண்டும் செய்";
-Blockly.Msg["REMOVE_COMMENT"] = "கருத்தை நீக்கு";
-Blockly.Msg["RENAME_VARIABLE"] = "மாறிலியை மறுபெயரிடுக...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "அனைத்து '%1' மாறிலிகளையும் பின்வருமாறு மறுபெயரிடுக:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "இந்த மாறியிற்கு %1 உரை சேர்க்க %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "'%1' மாறியில் உரையை சேர்";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "சின்ன எழுத்துக்கு மாற்று";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "தலைப்பு எழுத்துக்கு மாற்று";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "பொரிய எழுத்துக்கு மாற்று";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "உரை நகல் எடுத்து பொரிய/சின்ன எழுத்து மாற்றி பின்கொடு.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "முதல் எழுத்தைப் பெறுக";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "முடிவில் இருந்து # எழுத்தை எடு";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "# எழுத்தை எடு";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "இறுதி எழுத்தைப் பெறுக";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "சமவாய்ப்புள்ள எழுத்தை எடு";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "கூறிய இடத்தில் உள்ள எழுத்தை எடு";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "உருபடியை உரையில் சேர்க்க.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "சேர்க்க";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "தொகுப்பு உரை திருத்துதம் செய்";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "எழுத்து கடைசியில் இருந்து # வரை";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "எழுத்து # வரை";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "கடைசி எழுத்து  வரை";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "உரையில்";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "-இல் உட்கணம் முதல் எழுத்திலிருந்து";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "-இல் உட்கணம் கடைசி # எழுத்திலிருந்து";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "-இல் உட்கணம் # எழுத்திலிருந்து";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "உரையின் குறியிடப்பட்ட சரம் பின்கொடு";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "உரையில் முதல் தோற்ற இடத்தை பின்கொடு";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "உரையில் கடைசி தோற்ற இடத்தை பின்கொடு";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "உரையில் %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "இரண்டாவது உரையில் முதல் உரையின் முதல்/கடை இருக்கை குறிஎண்ணை பின்கொடு.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 காலியானது";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "காலியானது என்றால் மெய் மதிப்பை பின்கொடு";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "வைத்து உரை உருவாக்க";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "பல பொருட்களை ஒன்றாக சேர்வதன் மூலம் உரை உருவாக்க.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1ன் நீளம்";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "தொடரில் உள்ள எழுத்துக்களின் (இடைவெளிகளையும் சேர்த்து) எண்ணிகையை பின்கொடு.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "%1 அச்சிடுக";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "மதிப்பை அச்சிடு";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "எண்-உள்ளீடு தூண்டுதலை காட்டு";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "உரை-உள்ளீடு தூண்டுதலை காட்டு";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "உரை கொண்டு எண்-உள்ளீடு தூண்டுதலை காட்டு";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "உரை கொண்டு உரை-உள்ளீடு தூண்டுதலை காட்டு";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AE%B0%E0%AE%AE%E0%AF%8D_%28%E0%AE%95%E0%AE%A3%E0%AE%BF%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D%29";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "எழுத்து, சரம், சொல், அல்லது உரை சொற்தொடர்.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "இரு பக்கத்திலும் இடைவெளி எழுத்து நேர்த்தி செய்.";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "இடது பக்கத்தில் இடைவெளி எழுத்து நேர்த்தி செய்.";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "வலது பக்கத்தில் இடைவெளி எழுத்து நேர்த்தி செய்.";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "உரை நகல் எடுத்து இடைவெளி எழுத்து நீக்கி பின்கொடு.";
-Blockly.Msg["TODAY"] = "இன்று";
-Blockly.Msg["UNDO"] = "மீளமை";
-Blockly.Msg["UNNAMED_KEY"] = "பெயரிடப்படாதது";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "உருப்படி";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "'%1 நியமி' உருவாக்கு";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "இந்த மாறி மதிப்பை பின்கொடு";
-Blockly.Msg["VARIABLES_SET"] = "நியமி %1 இந்த மாறியிற்கு %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "'எடு %1' உருவாக்கு";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "மாறியின் மதிப்பாய் உள்ளீட்டு மதிப்பை வை.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "ஏதாகினும் பகர்க...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/tcy.js b/msg/js/tcy.js
deleted file mode 100644
index 1b9b3853d07..00000000000
--- a/msg/js/tcy.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "ಟಿಪ್ಪಣಿ ಸೇರ್ಸಲೆ";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "ಮೌಲ್ಯೊನು ಬದಲ್ ಮಲ್ಪು";
-Blockly.Msg["CLEAN_UP"] = "ಬ್ಲಾಕ್‍ಲೆನ್ ಸ್ವೊಚ್ಚೊ ಮಲ್ಪುಲೆ";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "ಮಾತಾ ತಡೆಕ್ಲೆನ ಮಾಹಿತಿನ್ ಎಲ್ಯ ಮಲ್ಪು";
-Blockly.Msg["COLLAPSE_BLOCK"] = "ಎಲ್ಯೆ ಮಲ್ತ್‌ದ್ ತಡೆಲೆ";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "ಬಣ್ಣೊ ೧(ಒಂಜಿ)";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "ಬಣ್ಣೊ ೨(ರಡ್ಡ್)";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "ಅನುಪಾತೊ";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "ಬೆರಕ್ಕೆ ಮಲ್ಪು";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "ಕೊರಿನ ಅನುಪಾತೊಡು (0.0- 1.0) ರಡ್ಡ್ ಬಣ್ಣೊಲೆನ್ ಬೆರಕೆ ಮಲ್ಪುಂಡು.";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/ಬಣ್ಣೊ";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "ಬಣ್ಣೊ ಪಟೊಡ್ದು ಒಂಜಿ ಬಣ್ಣೊನು ಆಯ್ಕೆ ಮಲ್ಪುಲೆ.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "ಒವ್ವೇ ಒಂಜಿ ಬಣ್ಣೊ";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "ಒವ್ವಾಂಡಲ ಒಂಜಿ ಬಣ್ಣೊನು ಆಯ್ಕೆ ಮಲ್ಪುಲೆ";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "ನೀಲಿ";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "ಪಚ್ಚೆ";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "ಕೆಂಪು";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "ಬಣ್ಣೊದ";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "ತೊಜಪಾಯಿನ ಪ್ರಮಾಣೊದ ಕೆಂಪು, ಪಚ್ಚೆ ಬೊಕ್ಕ ನೀಲಿ ಬಣ್ಣೊಡ್ದು ಒಂಜಿ ಬಣ್ಣೊನು ಉಂಡು ಮಲ್ಪುಲೆ. ಮಾತಾ ಮೌಲ್ಯೊಲು 0 ಬುಕ್ಕೊ 100 ತ ನಡುಟೆ ಇಪ್ಪೊಡು.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "ಲೂಪ್ ಕಡಿಯುನಿ";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "ಬೊಕ್ಕದ ಲೂಪ್ ಪುನರಾವರ್ತನೆದೊಟ್ಟುಗು ದುಂಬರಿಲೆ";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "ಇತ್ತಿನ ಲೂಪ್‍ಡ್ದ್ ಪದಿಯಿ ಬಲೆ";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "ಈ ಲೂಪುನು ಅರ್ದೊಡೆ ಬುಡುದ್ ಬೊಕ್ಕ ನನತ್ತ ಪುನರಾವರ್ತನೆಗ್ ದುಂಬರಿಲೆ";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "ಎಚ್ಚರೊ: ಈ ತಡೆನ್ ಕಾಲಿ ಒಂಜಿ ಲೂಪುದುಲಯಿ ಮಾತ್ರ ಗಳಸೊಲಿ.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "%2 ಪಟ್ಟಿಡ್ ಪ್ರತಿ ಒಂಜಿ ವಿಸಯ %1 ಗ್";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ಪ್ರತಿ ವಿಸಯೊಗು, '%1' ವ್ಯತ್ಯಾಯೊನು ವಿಸಯೊಗು ಜೋಡಾಲೆ, ಬೊಕ್ಕ ಕೆಲವು ಪಾತೆರೊಲೆನ್ ಮಲ್ಪುಲೆ.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "%2 ಡ್ದ್ %3 ಮುಟ %4 ಸರ್ತಿ %1 ದ ಒಟ್ಟುಗು ಗೆನ್ಪು";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "ನಿರ್ದಿಸ್ಟೊ ಮದ್ಯಂತರೊದ ಮೂಲಕೊ ದೆತೊಂದು '%1' ವ್ಯತ್ಯಯೊಡ್ ಸುರುತ್ತ ಅಂಕೆಡ್ದ್ ಕಡೆತ್ತ ಅಂಕೆ ಮುಟ್ಟದ ಮೌಲ್ಯೊನು ದೆತ್ತೊನಾವ್ ಬೊಕ್ಕ ನಿಗಂಟ್ ಮಲ್ತಿನ ತಡೆಕ್ಲೆನ್ ಮಲ್ಪು";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "'ಒಂಜಿ ವೇಲೆ' ತಡೆಕ್ಕ್ ಒಂಜಿ ಶರ್ತನ್ ಸೇರಾವ್";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "'ಒಂಜಿ ವೇಲೆ' ತಡೆಕ್ಕ್ ಒಂಜಿ ಕಡೆತ್ತ ಮಾತೆನ್ಲಾ-ಪತ್ತ್ (catch-all) ಶರ್ತನ್ ಸೇರಾವ್";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "ಸೇರಾವ್, ದೆತ್ತ್‌ ಬುಡು, ಅತ್ತಂಡ ಈ 'ಒಂಜಿ ವೇಲೆ' ತಡೆನ್ ಕುಡ ಸಂರಚಣೆ ಮಲ್ಪೆರೆ ವಿಭಾಗೊಲೆನ್ ಕುಡ ಒತ್ತರೆ ಮಲ್ಪುಲೆ.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "ಅತ್ತಂಡ";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "ಅತ್ತಂಡ";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ಒಂಜಿ ವೇಲೆ";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "ಮೌಲ್ಯ ನಿಜ ಆದಿತ್ತ್ಂಡ ಕೆಲವು ಪಾತೆರೊಲೆನ್ ಮಲ್ಪು";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "ಮೌಲ್ಯ ನಿಜವಾದಿತ್ತ್‌ಂಡ, ಪಾತೆರೊಲೆನ ಸುರುತ್ತ ತಡೆ ಮಲ್ಪು. ಇಜ್ಜಿಂಡ ಪಾತೆರೊಲೆನ ರಡ್ಡನೆ ತಡೆ ಮಲ್ಪು.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "ಸುರುತ್ತ ಮೌಲ್ಯ ನಿಜವಾದಿತ್ತ್‌ಂಡ, ಪಾತೆರೊಲೆನ ಸುರುತ್ತ ತಡೆ ಮಲ್ಪು. ಇಜ್ಜಿಂಡ, ರಡ್ಡನೆ ಮೌಲ್ಯ ನಿಜವಾದಿತ್ತ್ಂಡ, ಪಾತೆರೊಲೆನ ರಡ್ಡನೆ ತಡೆ ಮಲ್ಪು.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "ಸುರುತ್ತ ಮೌಲ್ಯೊ ನಿಜವಾದಿತ್ತ್‌ಂಡ, ಪಾತೆರೊಲೆನ ಸುರುತ್ತ ತಡೆ ಮಲ್ಪು. ಇಜ್ಜಿಂಡ, ರಡ್ಡನೆದ ಮೌಲ್ಯ ನಿಜವಾದಿತ್ತ್ಂಡ, ಪಾತೆರೊಲೆನ ರಡ್ಡನೆ ತಡೆ ಮಲ್ಪು. ಒಂಜೇಲೆ ಒವ್ವೇ ಮೌಲ್ಯ ನಿಜವಾದಿತ್ತಿಜಿಂಡ, ಪಾತೆರೊಲೆನ ಕಡೆತ್ತ ತಡೆ ಮಲ್ಪು.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "ಮಲ್ಪುಲೆ";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = " %1 ಸರ್ತಿ ಕೂಡೊರ ಮಲ್ಪು";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "ಕೆಲವು ಪಾತೆರೊಲೆನ್ ಮಸ್ತ್ ಸರ್ತಿ ಮಲ್ಪು";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ಉಂದು ನಿಜ ಆಪಿಲೆಕೊ ಕುಡೊರ ಮಲ್ಪು:";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ಉಂದು ನಿಜ ಆಂಡ ಕುಡೊರ ಮಲ್ಪು:";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "ಮೌಲ್ಯ ತಪ್ಪು ಆದಿತ್ತ್ಂಡ ಕೆಲವು ಪಾತೆರೊಲೆನ್ ಮಲ್ಪು";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "ಮೌಲ್ಯ ನಿಜ ಆದಿತ್ತ್ಂಡ ಕೆಲವು ಪಾತೆರೊಲೆನ್ ಮಲ್ಪು";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "ಮಾತ %1 ಬ್ಲಾಕ್‍ಲೆನ್ ದೆತ್ತ್‌ದ್ ಬುಡೊಡೆ?";
-Blockly.Msg["DELETE_BLOCK"] = "ಬ್ಲಾಕ್‍ನ್ ಮಾಜಾವು";
-Blockly.Msg["DELETE_VARIABLE"] = "'%1' ವ್ಯತ್ಯಯೊನು ಮಾಜಾಲೆ";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "'%2' ವ್ಯತ್ಯಯೊದ %1 ಉಪಯೋಗೊಲೆನ್ ಮಾಜಾವೊಡೆ?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 ಬ್ಲಾಕ್‍ಲೆನ್ ಮಾಜಾವು";
-Blockly.Msg["DISABLE_BLOCK"] = "ಬ್ಲಾಕ್‍ನ್ ದೆತ್ತ್‌ಪಾಡ್";
-Blockly.Msg["DUPLICATE_BLOCK"] = "ನಕಲ್";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "ತಡೆನ್ ಸಕ್ರಿಯೊ ಮಲ್ಪು";
-Blockly.Msg["EXPAND_ALL"] = "ಮಾತಾ ತಡೆಕ್ಲೆನ ಮಾಹಿತಿನ್ ಪರಡಾವು";
-Blockly.Msg["EXPAND_BLOCK"] = "ಬ್ಲಾಕ್‍ದ ಮಾಹಿತಿನ್ ಪರಡಾವು";
-Blockly.Msg["EXTERNAL_INPUTS"] = "ಪಿದಯಿದ ಪರಿಪು";
-Blockly.Msg["HELP"] = "ಸಕಾಯೊ";
-Blockly.Msg["INLINE_INPUTS"] = "ಉಳಸಾಲ್‍ದ ಉಳಪರಿಪು";
-Blockly.Msg["IOS_CANCEL"] = "ವಜಾ ಮಲ್ಪುಲೆ";
-Blockly.Msg["IOS_ERROR"] = "ದೋಷ";
-Blockly.Msg["IOS_OK"] = "ಸರಿ";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ ಇನ್‌ಪುಟ್ ಸೇರಾಲೆ";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "ಹೇಳಿಕೆಗ್ ಅವಕಾಸೊ";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "ಈ ಕಾರ್ಯೊಡು ಡುಪ್ಲಿಕೇಟ್ ಇನ್‌ಪುಟ್ ಉಂಡು.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ಇನ್‌ಪುಟ್‌ಲು";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "ಸೇರಾಲೆ";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ ವ್ಯತ್ಯಯೊನು ಸೇರಾಲೆ";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "ಮಾಜಾಲೆ";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "ವ್ಯತ್ಯಯೊದ ಪುದರ್‌ನ್ ಖಾಲಿ ಬುಡಿಯೆರೆ ಆಪುಜಿ";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "ಪೊಸ ಪುದರ್";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "ವ್ಯತ್ಯಯೊದ ಪುದರ್";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "ಕಾಲಿ ಪಟ್ಟಿನ್ ಉಂಡುಮಲ್ಪುಲೆ";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "ಒಂಜಿ ಪಟ್ಟಿ, ೦ ಉದ್ದೊದ, ಒವ್ವೇ ಮಾಹಿತಿ ದಾಂತಿನ ದಾಖಲೆ ಪಿರಕೊರು.";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "ಪಟ್ಟಿ";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "ಈ ಪಟ್ಟಿ ತಡೆನ್ ಕುಡ ಸಂರಚನೆ ಮಲ್ಪೆರೆ ಸೇರಾಲೆ, ದೆತ್ತ್ ಬುಡುಲೆ, ಅತ್ತಂಡ ವಿಬಾಗೊಲೆನ್ ಕುಡ ಒತ್ತರೆ ಮಲ್ಪುಲೆ.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "ಒಟ್ಟುಗು ಪಟ್ಟಿನ್ ಉಂಡುಮಲ್ಪುಲೆ";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "ಪಟ್ಟಿಗ್ ಒಂಜಿ ವಿಸಯೊನು ಸೇರಾಲೆ.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "ಏತೇ ವಿಸಯೊಲುಪ್ಪುನ ಒಂಜಿ ಪಟ್ಟಿನ್ ಉಂಡುಮಲ್ಪುಲೆ";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "ಸುರುತ";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "ಅಕೇರಿಡ್ದ್ #";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "ದೆತೊನು";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "ದೆತ್ತೊನು ಬೊಕ್ಕ ದೆತ್ತ್ ಬುಡು";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "ಕಡೆತ";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "ಗೊತ್ತು ಗುರಿದಾಂತಿನ";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "ದೆಪ್ಪುಲೆ";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ಸುರುತ್ತ ವಿಸಯೊನು ಪಿರಕೊರ್ಪುಂಡು.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ನಿರ್ದಿಷ್ಟ ಸ್ಥಿತಿಡ್ ವಿಸಯೊನು ಪಿರಕೊರ್ಪುಂಡು.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ಅಕೇರಿದ ವಿಸಯೊನು ಪಿರಕೊರ್ಪುಂಡು.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ಒವ್ವಾಂಡಲ ಒಂಜಿ ವಿಸಯೊನು ಪಿರಕೊರ್ಪುಂಡು.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ಸುರುತ್ತ ವಿಸಯೊನು ಪಿರಕೊರ್ಪುಂಡು ಬೊಕ್ಕ ದೆತ್ತ್ ಬುಡ್ಪುಂಡು.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ನಿರ್ದಿಷ್ಟ ಸ್ಥಿತಿಡ್ ವಿಸಯೊನು ಪಿರಕೊರ್ಪುಂಡು ಬೊಕ್ಕ ದೆತ್ತ್ ಬುಡ್ಪುಂಡು.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ಅಕೇರಿದ ವಿಸಯೊನು ಪಿರಕೊರ್ಪುಂಡು ಬೊಕ್ಕ ದೆತ್ತ್ ಬುಡ್ಪುಂಡು.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ಒವ್ವಾಂಡಲ ಒಂಜಿ ವಿಸಯೊನು ಪಿರಕೊರ್ಪುಂಡು ಬೊಕ್ಕ ದೆತ್ತ್ ಬುಡ್ಪುಂಡು.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ಸುರುತ್ತ ವಿಸಯೊನು ದೆತ್ತ್ ಬುಡ್ಪುಂಡು.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ನಿರ್ದಿಷ್ಟ ಸ್ಥಿತಿಡ್ ವಿಸಯೊನು ದೆತ್ತ್ ಬುಡ್ಪುಂಡು.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ಅಕೇರಿದ ವಿಸಯೊನು ದೆತ್ತ್ ಬುಡ್ಪುಂಡು.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ಒವ್ವಾಂಡಲ ಒಂಜಿ ವಿಸಯೊನು ದೆತ್ತ್ ಬುಡ್ಪುಂಡು.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "ಅಕೇರಿಡ್ದ್ # ಗ್";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "# ಗ್";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "ಅಕೇರಿಗ್";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "ಸುರುಡ್ದು ಉಪ-ಪಟ್ಟಿನ್ ದೆತ್ತೊನು";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "ಅಕೇರಿಡ್ದ್ # ಡ್ದ್ ಉಪ-ಪಟ್ಟಿನ್ ದೆತ್ತೊನು";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "# ಡ್ದ್ ಉಪ-ಪಟ್ಟಿನ್ ದೆತ್ತೊನು";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "ಪಟ್ಯೊದ ನಿರ್ದಿಷ್ಟ ಬಾಗೊದ ಪ್ರತಿನ್ ಉಂಡುಮಲ್ಪುಂಡು.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 ಅಕೇರಿತ ವಿಸಯೊ";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 ಸುರುತ ವಿಸಯೊ";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "ವಿಸಯೊ ಸುರುಕ್ಕು ಬತ್ತಿನೇನ್ ನಾಡ್";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "ವಿಸಯೊ ಅಕೇರಿಗ್ ಬತ್ತಿನೇನ್ ನಾಡ್";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "ಪಟ್ಟಿಡುಪ್ಪುನ ವಿಸಯೊ ಸುರುಕ್ಕು/ಅಕೇರಿಗ್ ಬತ್ತಿನೆತ್ತ ಸೂಚಿನ್ ಪಿರಕೊರ್ಪುಂಡು. ವಿಸಯೊ ತಿಕ್ಕಿಜ್ಜಾಂಡ %1 ನ್ ಪಿರಕೊರ್ಪುಂಡು.";
-Blockly.Msg["LISTS_INLIST"] = "ಪಟ್ಟಿಡ್";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 ಕಾಲಿ";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "ಪಟ್ಯೊ ಖಾಲಿ ಇತ್ತ್ಂಡ 'ನಿಜ'ನ್ ಪಿರಕೊರು.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1 ಉದ್ದೊ";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "ಪಟ್ಟಿದ ಉದ್ದೊನು ಪಿರಕೊರು.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "%1 ವಿಸಯೊ %2 ಸರ್ತಿ ಪುನರಾವರ್ತನೆ ಆದುಪ್ಪುನ ಪಟ್ಟಿನ್ ಉಂಡುಮಲ್ಪುಲೆ.";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "ಕೊರಿನ ಮೌಲ್ಯೊ ಒಂಜಿ ನಿರ್ದಿಷ್ಟ ಸಂಕ್ಯೆದಾತ್ ಸರ್ತಿ ಪುನರಾವರ್ತನೆ ಆದುಪ್ಪುನ ಒಂಜಿ ಪಟ್ಟಿನ್ ಉಂಡುಮಲ್ಪುಲೆ.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "ಲೆಕ";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "ಸೇರಾವ್";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "ಸೆಟ್ ಮಲ್ಪು";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "ಒಂಜಿ ಪಟ್ಟಿದ ಸುರುಕ್ಕು ವಿಸಯೊನು ಸೇರಾವುಂಡು.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ನಿರ್ದಿಷ್ಟ ಸ್ಥಿತಿಡ್ ವಿಸಯೊನು ಸೇರಾವುಂಡು.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "ಒಂಜಿ ಪಟ್ಟಿದ ಅಕೇರಿಗ್ ವಿಸಯೊನು ಸೇರಾವುಂಡು.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ಓಲಾಂಡಲ ವಿಸಯೊನು ಸೇರಾವುಂಡು.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ಸುರುತ್ತ ವಿಸಯೊನು ಸೆಟ್ ಮಲ್ಪುಂಡು.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ನಿರ್ದಿಷ್ಟ ಸ್ಥಿತಿಡ್ ವಿಸಯೊನು ಸೆಟ್ ಮಲ್ಪುಂಡು.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ಅಕೇರಿದ ವಿಸಯೊನು ಸೆಟ್ ಮಲ್ಪುಂಡು.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "ಒಂಜಿ ಪಟ್ಟಿಡ್ ಒವ್ವಾಂಡಲ ಒಂಜಿ ವಿಸಯೊನು ಸೆಟ್ ಮಲ್ಪುಂಡು.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ಏರುನು";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "ಜಪ್ಪುನು";
-Blockly.Msg["LISTS_SORT_TITLE"] = "%1 %2 %3 ಇಂಗಡಿಪು";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "ಒಂಜಿ ಪಟ್ಟಿದ ಒಂಜಿ ಪ್ರತಿನ್ ಇಂಗಡಿಪು";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "ಅಕ್ಷರೊ, ನಮೂನೆ (case) ಅಲಕ್ಷ್ಯೊ ಮಲ್ಪುಲೆ";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "ಸಂಖ್ಯೆ";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "ಅಕ್ಷರೊ";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "ಪಟ್ಯೊಲೆ ಪಟ್ಟಿನ್ ತಯಾರ್ ಮಲ್ಪುಲೆ";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "ಪಟ್ಟಿದ ಪಟ್ಯೊನು ತಯಾರ್ ಮಲ್ಪುಲೆ";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "ಪಟ್ಯೊಲೆನ ಒಂಜಿ ಪಟ್ಟಿನ್ ಮಿತಿಸೂಚಕೊದ ಮೂಲಕೊ ಬೇತೆ ಮಲ್ತ್‌ದ್ ಒಂಜಿ ಪಟ್ಯೊಗು ಸೇರಾಲೆ.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "ಪಟ್ಯೊಲೆನ್ ಪ್ರತಿ ಮಿತಿಸೂಚಕೊಡು ತುಂಡು ಮಲ್ತ್‌ದ್ ಪಟ್ಯೊಲೆನ ಒಂಜಿ ಪಟ್ಟಿಗ್ ಬಾಗೊ ಮಲ್ಪುಲೆ.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "ಮಿತಿಸೂಚಕೊದ ಒಟ್ಟುಗು";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ಸುಲ್ಲು";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "ಒಂಜೆ ನಿಜ ಅತ್ತಂಡ ಸುಲ್ಲುನ್ ಪಿರಕೊರು";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "ಸತ್ಯೊ";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "ರಡ್ದ್ ಇನ್‌ಪುಟ್‌ಲಾ ಸಮ ಇತ್ತ್ಂಡ 'ನಿಜ'ನ್ ಪಿರಕೊರು";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "ಸುರುತ್ತ ಇನ್‌ಪುಟ್ ರಡ್ಡನೆ ಇನ್‌ಪುಟ್‌ಡ್ದ್ ಮಲ್ಲ ಆದಿತ್ತ್ಂಡ, 'ನಿಜ'ನ್ ಪಿರಕೊರು";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "ಸುರುತ್ತ ಇನ್‌ಪುಟ್ ರಡ್ಡನೆ ಇನ್‌ಪುಟ್‌ಡ್ದ್ ಮಲ್ಲ ಅತ್ತಂಡ ಅಯಿಕ್ಕ್ ಸಮ ಆದಿತ್ತ್ಂಡ, 'ನಿಜ'ನ್ ಪಿರಕೊರು";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "ಸುರುತ್ತ ಇನ್‌ಪುಟ್ ರಡ್ಡನೆ ಇನ್‌ಪುಟ್‌ಡ್ದ್ ಎಲ್ಯ ಆದಿತ್ತ್ಂಡ, 'ನಿಜ'ನ್ ಪಿರಕೊರು";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "ಸುರುತ್ತ ಇನ್‌ಪುಟ್ ರಡ್ಡನೆ ಇನ್‌ಪುಟ್‌ಡ್ದ್ ಎಲ್ಯ ಅತ್ತಂಡ ಅಯಿಕ್ಕ್ ಸಮ ಆದಿತ್ತ್ಂಡ, 'ನಿಜ'ನ್ ಪಿರಕೊರು";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "ರಡ್ದ್ ಇನ್‌ಪುಟ್‌ಲಾ ಸಮ ಅತ್ತಾಂಡ 'ನಿಜ'ನ್ ಪಿರಕೊರು";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "%1 ಅತ್ತ್";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "ಇನ್‌ಪುಟ್ ಸುಲ್ಲಾದಿತ್ತ್ಂಡ, 'ನಿಜ'ನ್ ಪಿರಕೊರು. ಇನ್‌ಪುಟ್ ನಿಜ ಆದಿತ್ತ್ಂಡ, 'ಸುಲ್ಲು'ನ್ ಪಿರಕೊರು.";
-Blockly.Msg["LOGIC_NULL"] = "ಸೊನ್ನೆ";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "ಸೊನ್ನೆನ್ ಪಿರಕೊರ್ಪುಂಡು";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "ಬುಕ್ಕೊ";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ಅತ್ತಂಡ";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "ರಡ್ಡ್‌ಲಾ ಇನ್‌ಪುಟ್ ನಿಜ ಆದಿತ್ತ್ಂಡ, 'ನಿಜ'ನ್ ಪಿರಕೊರು";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "ಒವ್ವಾಂಡಲ ಒಂಜಿ ಇನ್‌ಪುಟ್ ನಿಜ ಆಂಡಲಾ, 'ನಿಜ'ನ್ ಪಿರಕೊರು.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "ಪರೀಕ್ಷೆ";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "ಒಂಜಿ ವೇಲೆ ಸುಲ್ಲಾಂಡ";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "ಒಂಜಿ ವೇಲೆ ನಿಜ ಆಂಡ";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "'ಪರೀಕ್ಷೆ'ಡ್ ಶರ್ತನ್ ಸರಿತೂಲೆ. ಶರ್ತ ನಿಜವಾದಿತ್ತ್ಂಡ, 'ಒಂಜಿ ವೇಲೆ ನಿಜ ಆಂಡ' ಮೌಲ್ಯೊನು ಪಿರಕೊರ್ಪುಂಡು; ಇಜ್ಜಿಂಡ 'ಒಂಜಿ ವೇಲೆ ಸುಲ್ಲಾಂಡ' ಮೌಲ್ಯೊನು ಪಿರಕೊರ್ಪುಂಡು.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/ಅಂಕಗಣಿತ";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "ರಡ್ಡ್ ಸಂಖ್ಯೆದ ಮೊತ್ತನ್ ಪಿರಕೊರು.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "ಸಂಖ್ಯೆದ ಭಾಗಲಬ್ದೊನು ಪಿರಕೊರು.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "ರಡ್ಡ ಸ್ಂಖ್ಯೆದ ವ್ಯತ್ಯಾಸೊನು ಪಿರಕೊರು.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "ಸಂಖ್ಯೆದ ಗುಣಲಬ್ಧೊನು ಪಿರಕೊರು.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "ಸುರುತ್ತ ಸಂಖ್ಯೆದ ಘಾತೊನು ರಡ್ಡನೆ ಸಂಖ್ಯೆಗ್ ಏರ್ಪಾದ್ ಪಿರಕೊರು.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "%1 ನ್ %2 ಟ್ ಬದಲ್ ಮಲ್ಪು";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "'%1' ವ್ಯತ್ಯಯೊಗು ಒಂಜಿ ಸಂಖ್ಯೆನ್ ಸೇರಾವ್";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/ಗಣಿತ_ನಿರಂತರ";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "ಒಂಜಿ ಸಾಮಾನ್ಯ ಸ್ಥಿರಾಂಕೊನು ಪಿರಕೊರು: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "%2 ಕಮ್ಮಿ %3 ಜಾಸ್ತಿ %1 ನಿರ್ಬಂಧ ಮಲ್ಪು";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "ನಿಗದಿತ ಮಿತಿತ ನಡುಟು ಒಂಜಿ ಸಂಖ್ಯೆನ್ ನಿರ್ಬಂಧ ಮಲ್ಪು";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "ಭಾಗಿಪೊಲಿ";
-Blockly.Msg["MATH_IS_EVEN"] = "ಸಮ ಸಂಖ್ಯೆ";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "ಋಣ ಸಂಖ್ಯೆ";
-Blockly.Msg["MATH_IS_ODD"] = "ಬೆಸ ಸಂಖ್ಯೆ";
-Blockly.Msg["MATH_IS_POSITIVE"] = "ಧನ ಸಂಖ್ಯೆ";
-Blockly.Msg["MATH_IS_PRIME"] = "ಅವಿಭಾಜ್ಯ ಸಂಖ್ಯೆ";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "ಒಂಜಿ ಸಂಖ್ಯೆ ಸಮನಾ, ಬೆಸನಾ, ಅವಿಭಾಜ್ಯನಾ, ಪೂರ್ಣನಾ, ಧನನಾ, ಋಣನಾ, ಅತ್ತಂಡ ಅವೆನ್ ಬೇತೆ ಒಂಜಿ ನಿರ್ದಿಷ್ಟ ಸಂಖ್ಯೆಡ್ದ್ ಭಾಗಿಪೊಲಿಯಾ ಪಂದ್ ಪರೀಕ್ಷೆ ಮಲ್ಪು. ನಿಜ ಅತ್ತಂಡ ಸುಲ್ಲುನು ಪಿರಕೊರ್ಪುಂಡು.";
-Blockly.Msg["MATH_IS_WHOLE"] = "ಪೂರ್ಣ ಸಂಖ್ಯೆ";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/ಮೋಡ್ಯುಲೊ_ಒಪರೇಶನ್";
-Blockly.Msg["MATH_MODULO_TITLE"] = " %1 ÷ %2 ತ ಶೇಷ";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "ರಡ್ಡ್ ಸಂಖ್ಯೆಲೆನ್ ಭಾಗ ಮಲ್ತ್‌ದ್ ಶೇಷೊನು ಪಿರಕೊರು.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/ಸಂಖ್ಯೆ";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "ಅ ನಂಬ್ರೊ";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "ಪಟ್ಟಿದ ಸರಾಸರಿ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "ಪಟ್ಟಿಡ್ ಮಲ್ಲವ್";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "ಪಟ್ಟಿದ ನಡುತ್ತವ್";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "ಪಟ್ಟಿಡ್ ಕಿಞ್ಞವ್";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "ಪಟ್ಟಿದ ಮಸ್ತ್ ಸಾಮಾನ್ಯ ಮೌಲ್ಯ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "ಪಟ್ಟಿದ ಒವ್ವಾಂಡಲ ಒಂಜಿ ವಿಷಯ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "ಪಟ್ಟಿದ ಪ್ರಮಾಣಿತ ವಿಚಲನ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "ಪಟ್ಟಿದ ಮೊತ್ತ";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "ಪಟ್ಟಿಡುಪ್ಪುನ ಮಾತಾ ಸಂಖ್ಯೆಲೆನ ಸರಾಸರಿನ್ ಪಿರಕೊರು";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "ಪಟ್ಟಿಡುಪ್ಪುನ ಮಲ್ಲ ಸಂಖ್ಯೆನ್ ಪಿರಕೊರು";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "ಪಟ್ಟಿಡುಪ್ಪುನ ನಡುತ್ತ ಸಂಖ್ಯೆನ್ ಪಿರಕೊರು";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "ಪಟ್ಟಿಡುಪ್ಪುನ ಕಿಞ್ಞ ಸಂಕ್ಯೆನ್ ಪಿರಕೊರು";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "ಪಟ್ಟಿಡುಪ್ಪುನ ಮಸ್ತ್ ಸಾಮಾನ್ಯ ವಿಷಯೊನು ಪಿರಕೊರು";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "ಪಟ್ಟಿದ ಒವ್ವಾಂಡಲ ಒಂಜಿ ಅಂಶೊನು ಪಿರಕೊರು.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "ಪಟ್ಟಿದ ಪ್ರಮಾಣಿತ ವಿಚಲನೊನು ಪಿರಕೊರು";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "ಪಟ್ಟಿಡುಪ್ಪುನ ಮಾತಾ ಸಂಖ್ಯೆಲೆನ ಮೊತ್ತನ್ ಪಿರಕೊರು";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/ರಾಂಡಮ್_ನಂಬರ್_ಜನರೇಶನ್";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "ಒವ್ವಾಂಡಲ ಒಂಜಿ ಭಿನ್ನರಾಶಿ";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "0.0 (ಸೇರ್‌ದ್) ಬೊಕ್ಕ 1.0 (ಸೇರಂದೆ) ನಡುತ ಒವ್ವಾಂಡಲ ಒಂಜಿ ಭಿನ್ನರಾಶಿನ್ ಪಿರಕೊರು.";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/ರಾಂಡಮ್_ನಂಬರ್_ಜನರೇಶನ್";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = " %1 ಡ್ದ್ %2 ಯಾದೃಚ್ಛಿಕ ಪೂರ್ಣಾಂಕೊ";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "ರಡ್ಡ್ ನಿಗದಿತ ಮಿತಿತ ನಡುತ್ತ ಯಾದೃಚ್ಛಿಕ ಪೂರ್ಣಾಂಕೊನು ಪಿರಕೊರು";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/ಪೂರ್ಣಾಂಕೊ";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "ರೌಂಡ್";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "ತಿರ್ತ್‌ಗ್ ರೌಂಡ್";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "ಮಿತ್ತ್‌ಗ್ ರೌಂಡ್";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "ಒಂಜಿ ಸಂಖ್ಯೆನ್ ಮಿತ್ತ್‌ಗ್ ಅತ್ತಂಡ ತಿರ್ತ್‌ಗ್ ರೌಂಡ್ ಮಲ್ಪು";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/ವರ್ಗಮೂಲೊ";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "ಸಂಪೂರ್ನೊ";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "ವರ್ಗಮೂಲೊ";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "ಸಂಖ್ಯೆದ ಸರಿಯಾಯಿನ ಮೌಲ್ಯೊನು ಕೊರು";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "ಒಂಜಿ ಸಂಖ್ಯೆದ ಘಾತೊಗು 'e'ನ್ ಪಿರಕೊರು.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "ಸಂಖ್ಯೆದ ಪ್ರಾಕೃತಿಕ ಲಘುಗಣಕನ್ ಪಿರಕೊರು";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "ಸಂಖ್ಯೆದ ದಶಮಾನ ಲಘುಗಣಕನ್ ಪಿರಕೊರು";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "ಸಂಖ್ಯೆದ ನಿಷೇಧೊನು ಪಿರಕೊರು";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "ಒಂಜಿ ಸಂಖ್ಯೆದ ಘಾತೊಗು ೧೦ನ್ ಪಿರಕೊರು";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "ಸಂಖ್ಯೆದ ವರ್ಗಮೂಲೊನು ಪಿರಕೊರು.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/ತ್ರಿಕೋನಮಿತಿದ_ಕಾರ್ಯೊಲು";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "ಒಂಜಿ ಸಂಖ್ಯೆದ ಆರ್ಕ್‌‌ಕೊಸೈನ್ ಪಿರಕೊರು.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "ಒಂಜಿ ಸಂಖ್ಯೆದ ಆರ್ಕ್‌ಸೈನ್ ಪಿರಕೊರು.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "ಒಂಜಿ ಸಂಖ್ಯೆದ ಆರ್ಕ್‌ಟ್ಯಾನ್‌ಜ್ಂಟ್ ಪಿರಕೊರು.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "ಒಂಜಿ ಡಿಗ್ರಿದ ಕೊಸೈನ್ (cosine) ಪಿರಕೊರು (ರೇಡಿಯನ್ ಅತ್ತ್).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "ಒಂಜಿ ಡಿಗ್ರಿದ ಸೈನ್ (sine) ಪಿರಕೊರು (ರೇಡಿಯನ್ ಅತ್ತ್).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "ಒಂಜಿ ಡಿಗ್ರಿದ ಟ್ಯಾನ್‌ಜೆಂಟ್ (tangent) ಪಿರಕೊರು (ರೇಡಿಯನ್ ಅತ್ತ್).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "ವ್ಯತ್ಯಯೊನು ಉಂಡು ಮಲ್ಪುಲೆ";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "ಪೊಸ ವ್ಯತ್ಯಯೊದ ಪುದರ್:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "ಹೇಳಿಕೆಗ್ ಅವಕಾಸೊ";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "ಒಟ್ಟುಗು:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/ವರ್ಗಮೂಲೊ";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "'%1' ಬಳಕೆದಾರೆರೆ ಕಾರ್ಯೊನು ನಡಪಾಲೆ.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/ವರ್ಗಮೂಲೊ";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = " ಬಳಕೆದಾರೆರೆ ಕಾರ್ಯೊ '%1' ನು ನಡಪಾಲೆ ಬುಕ್ಕೊ ಅಯಿತ ಉತ್ಪಾದನೆನ್ ಗಲಸ್‌ಲೆ.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "ಒಟ್ಟುಗು:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = " '%1'ನ್ ಉಂಡುಮಲ್ಪುಲೆ";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "ಈ ಕಾರ್ಯೊನು ಇವರಿಪುಲೆ...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "ಎಂಚಿನಾಂಡಲ ಮಲ್ಪುಲೆ";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "ಇಂದೆಕ್";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "ಔಟ್‌ಪುಟ್ ದಾಂತಿನ ಕಾರ್ಯೊನು ಉಂಡುಮಲ್ಪುಂಡು.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "ಪಿರಕೊರು";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "ಔಟ್‌ಪುಟ್ ಇತ್ತಿನ ಕಾರ್ಯೊನು ಉಂಡುಮಲ್ಪುಂಡು.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "ಎಚ್ಚರಿಕೆ: ಈ ಕಾರ್ಯೊಡು ನಕಲಿ ಮಾನದಂಡೊ ಉಂಡು.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "ದೆರ್ತ್ ತೋಜುನ ಕಾರ್ಯೊದ ವ್ಯಾಕ್ಯಾನೊ";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "ಮೌಲ್ಯೊ ಸತ್ಯೊ ಆಂಡ, ರಡ್ಡನೆ ಮೌಲ್ಯೊನು ಪಿರಕೊರು.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "ಎಚ್ಚರಿಕೆ: ಒಂಜಿ ಕಾರ್ಯ ವ್ಯಾಕ್ಯಾನೊದುಲಯಿ ಮಾತ್ರ ಈ ತಡೆನ್ ಗಲಸೊಲಿ.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "ಉಲಪರಿಪುದ ಪುದರ್:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "ಕಾರ್ಯೊಗು ಒಂಜಿ ಉಲಪರಿಪುನು ಸೇರಲೆ.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "ಉಲಪರಿಪು";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "ಸೇರಾಲೆ, ದೆತ್ತ್‌ ಬುಡುಲೆ, ಅತ್ತಂಡ ಈ ಕಾರ್ಯೊಗು ಉಲಪರಿಪುಲೆನ್ ಕುಡ ಒತ್ತರೆ ಮಲ್ಪುಲೆ.";
-Blockly.Msg["REDO"] = "ಕುಡ ಮಲ್ಪು";
-Blockly.Msg["REMOVE_COMMENT"] = "ಟಿಪ್ಪಣಿನ್ ದೆತ್ತ್‌ದ್ ಬುಡ್ಲೆ";
-Blockly.Msg["RENAME_VARIABLE"] = "ವ್ಯತ್ಯಯೊಗು ಕುಡೊರ ಪುದರ್ ದೀಲೆ";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "ಮಾತಾ '%1' ವ್ಯತ್ಯಯೊಲೆನ ಪುದರ್‌ನ್ ನೆಕ್ಕ್ ಬದಲ್ ಮಲ್ಪುಲೆ:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "ಇಂದೆಕ್ %1 ಪಟ್ಯೊನು ಸೇರವೆ %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "%1 ವ್ಯತ್ಯಯೊಗು ಕೆಲವು ಪಟ್ಯೊಲೆನ್ ಸೇರಾವ್";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "ಎಲ್ಯ ಅಕ್ಷರೊಗು";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "ತರೆಬರವುದ ಅಕ್ಷರೊಗು";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "ಮಲ್ಲ ಅಕ್ಷರೊಗು";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "ಪಟ್ಯೊದ ಒಂಜಿ ನಕಲ್‍ನ್ ಬೇತೆ ನಮೂನೆಡ್ (case) ಪಿರಕೊರು.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "ಸುರುತ್ತ ಅಕ್ಷರೊನು ದೆತ್ತೊನು";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "ಅಕೇರಿಡ್ದ್ ಅಕ್ಷರೊ #ನ್ ದೆತ್ತೊನು";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "ಅಕ್ಸರೊ #ನ್ ದೆತ್ತೊನು";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "ಅಕೇರಿದ ಅಕ್ಷರೊನು ದೆತ್ತೊನು";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "ಒವ್ವಾಂಡಲ ಒಂಜಿ ಅಕ್ಷರೊನು ದೆತ್ತೊನು";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "%1 %2 ಪದೊಟ್ಟು";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "ಅಕ್ಷರೊನು ನಿರ್ದಿಷ್ಟ ಸ್ಥಿತಿಡ್ ಪಿರಕೊರ್ಪುಂಡು.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "ಪಟ್ಯೊಗು ಒಂಜಿ ವಿಷಯೊನು ಸೇರಾವ್";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "ಸೇರಾವ್";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "ಈ ಪಠ್ಯ ತಡೆನ್ ಕುಡ ಸಂರಚಣೆ ಮಲ್ಪೆರೆ, ಸೇರಾವ್, ದೆತ್ತ್ ಬುಡು, ಅತ್ತಂಡ ವಿಭಾಗೊಲೆನ್ ಕುಡ ಒತ್ತರೆ ಮಲ್ಪು.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "ಅಕೇರಿಡ್ದ್ ಅಕ್ಷರೊ #ಗು";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "ಅಕ್ಷರೊ #ಗು";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "ಅಕೇರಿದ ಅಕ್ಷರೊಗು";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "ಪಟ್ಯೊಡು";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "ಸುರುತ್ತ ಅಕ್ಷರೊ #ಡ್ದು ಉಪವಾಕ್ಯೊನು ದೆತ್ತೊನು";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "ಅಕೇರಿಡ್ದ್ ಅಕ್ಷರೊ #ಡ್ದು ಉಪವಾಕ್ಯೊನು ದೆತ್ತೊನು";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "ಅಕ್ಷರೊ #ಡ್ದು ಉಪವಾಕ್ಯೊ ದೆತ್ತೊನು";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "ಪಟ್ಯೊದ ಒಂಜಿ ನಿರ್ದಿಷ್ಟ ಬಾಗೊನು ಪಿರಕೊರ್ಪುಂಡು.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "ಪಟ್ಯೊ ಸುರುಕ್ಕು ಬತ್ತಿನೇನ್ ನಾಡ್";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "ಪಟ್ಯೊ ಅಕೇರಿಗ್ ಬತ್ತಿನೇನ್ ನಾಡ್";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "ಪಟ್ಯೊಡು %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "ರಡ್ಡನೆ ಪಟ್ಯೊಡು ಉಪ್ಪುನ ಸುರುತ ಪಟ್ಯೊ ಸುರುಕ್ಕು/ಅಕೇರಿಗ್ ಬತ್ತಿನೆತ್ತ ಸೂಚಿನ್ ಪಿರಕೊರು. ಪಟ್ಯೊ ತಿಕ್ಕಿಜ್ಜಾಂಡ %1 ನ್ ಪಿರಕೊರು.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 ಖಾಲಿ";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "ಕೊರಿನ ಪಟ್ಯೊ ಖಾಲಿ ಇತ್ತ್ಂಡ 'ನಿಜ'ನ್ ಪಿರಕೊರು.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "ನೆಡ್ದ್ ಪಟ್ಯೊನು ಉಂಡು ಮಲ್ಪು";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "ಏತಾಂಡಲ ವಿಷಯಲೆನ್ ಒಟ್ಟುಗು ಸೇರಾದ್ ಒಂಜಿ ಪಟ್ಯೊದ ತುಂಡುನು ಉಂಡುಮಲ್ಪು.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1 ಉದ್ದೊ";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "ಕೊರಿನ ಪಟ್ಯೊದ ಅಕ್ಷರೊಲೆನ (ಅಂತರೊಲು ಸೇರ್‌ದ್) ಸಂಖ್ಯೆನ್ ಪಿರಕೊರು.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "%1 ಮುದ್ರಣ";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "ನಿರ್ದಿಷ್ಟ ಪಟ್ಯೊ, ಸಂಖ್ಯೆ ಅತ್ತಂಡ ಬೇತೆ ಮೌಲ್ಯೊನು ಮುದ್ರಿಪುಲೆ.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "ಒಂಜಿ ಸಂಖ್ಯೆಗ್ ಸದಸ್ಯೆರೆನ್ ಕೇನ್";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "ಕೆಲವು ಪಟ್ಯೊಗು ಸದಸ್ಯೆರೆನ್ ಕೇನ್.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "ಸಂದೇಶೊದೊಟ್ಟುಗು ಸಂಕ್ಯೆನ್ ಕೇನ್";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "ಸಂದೇಶೊದೊಟ್ಟುಗು ಪಟ್ಯೊಗು ಕೇನ್.";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/ಸ್ಟ್ರಿಂಗ್_(ಕಂಪ್ಯೂಟರ್_ಸೈನ್ಸ್)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "ಒಂಜಿ ಅಕ್ಷರೊ, ಪದೊ ಅತ್ತಂಡ ಪಾಟೊದ ಒಂಜಿ ಸಾಲ್";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "ರಡ್ಡ್ ಮೆಯಿತ್ತಲ ಅಂತರೊಲೆನ್ (space) ಕತ್ತೆರ್.";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "ಎಡತ್ತ ಮೆಯಿತ್ತ ಅಂತರೊಲೆನ್ (space) ಕತ್ತೆರ್.";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "ಬಲತ್ತ ಮೆಯಿತ್ತ ಅಂತರೊಲೆನ್ (space) ಕತ್ತೆರ್.";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "ಒಂಜಿ ಅತ್ತಂಡ ರಡ್ಡ್ ಕೊಡಿಡ್ದ್ ಅಂತರೊಲೆನ್ (space) ದೆತ್ತ್‌ದ್ ಪಟ್ಯೊದ ಪ್ರತಿನ್ ಪಿರಕೊರು.";
-Blockly.Msg["TODAY"] = "ಇನಿ";
-Blockly.Msg["UNDO"] = "ದುಂಬುದಲೆಕೊ";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "ವಸ್ತು";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "'ಸೆಟ್ %1' ಉಂಡುಮಲ್ಪುಲೆ";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "ಈ ವ್ಯತ್ಯಯೊದ ಮೌಲ್ಯೊನು ಪಿರಕೊರು.";
-Blockly.Msg["VARIABLES_SET"] = "%1 ನ್ %2 ಕ್ಕ್ ಸೆಟ್ ಮಲ್ಪುಲೆ";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "'ದೆತ್ತೊನು %1' ಉಂಡುಮಲ್ಪುಲೆ";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "ಈ ವ್ಯತ್ಯಯೊನು ಇನ್‌ಪುಟ್‌ಗ್ ಸಮ ಆಪಿಲೆಕ ಸೆಟ್ ಮಲ್ಪುಂಡು.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "'%1' ಪನ್ಪಿ ಪುದರ್‌ದ ವ್ಯತ್ಯಯೊ ದುಂಬೆ ಅಸ್ತಿತ್ವೊಡು ಉಂಡು.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/te.js b/msg/js/te.js
deleted file mode 100644
index 76371c28898..00000000000
--- a/msg/js/te.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "వ్యాఖ్య చేర్చు";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "విలువ మార్చు";
-Blockly.Msg["CLEAN_UP"] = "నిరోదనలను శుభ్రపరుచు";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "నిరోదనలను కూల్చు";
-Blockly.Msg["COLLAPSE_BLOCK"] = "నరోదన కూల్చు";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "రంగు 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "రంగు 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "నిష్పత్తి";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "మిశ్రమం";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "రెండు రంగులను (0.0 - 1.0) నిష్పత్తిలో మిశ్రమించాలి.";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://te.wikipedia.org/wiki/రంగు";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "చిత్రకారుడు ఉపయోగించే రంగుల నుండి ఒక దానిని ఎంచుకో.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "యాదృచ్ఛిక రంగు";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "యాదృచ్ఛికంగా ఒక రంగును ఎంచుకో.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "నీలం";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "ఆకుపచ్చ";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "ఎరుపు";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "తో రంగు";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "ఎరుపు,పచ్చ మరియు బులుగు రంగులను సమంగా ఉపయోగించి ఒక రంగును సృష్ఠించండి.అన్ని విలువలు 0 నుండి 100 మధ్యలో ఉండాలి.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "break out of loop";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continue with next iteration of loop";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Break out of the containing loop.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Warning: This block may only be used within a loop.";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "ఒక అంశం కోసం %1 జాబితా లో %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For each item in a list, set the variable '%1' to the item, and then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "దీనితో లెక్కించు %1 నుండి %2 వరకు %3 తో %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Add a condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "else";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "else if";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "అయితే";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "If a value is true, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://te.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "చేయు";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 సార్లు మళ్ళీ కొనసాగించు";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "కొన్ని నివేదికలు లేదా ప్రతిపాదనలు అనేక మార్లు చెయ్యండి.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "అంతవరకు మళ్ళీ కొనసాగించండి";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "repeat while";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "ఒక వె తప్పైనప్పుడు కొన్ని నివేదికలు లేదా ప్రతిపాదనలు చెయ్యండి.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "ఒక వెల నిజమైనప్పుడు కొన్ని నివేదికలు లేదా ప్రతిపాదనలు చెయ్యండి.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "మెుత్తం %1నిరోదనలను తొలగించు?";
-Blockly.Msg["DELETE_BLOCK"] = "నిరోదన తొలగించు";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1నిరోదనలను తోలగించు";
-Blockly.Msg["DISABLE_BLOCK"] = "నిరోదన పని చేయకుండా చేయు";
-Blockly.Msg["DUPLICATE_BLOCK"] = "నకలు";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "నిరోదన ప్రారంబించు";
-Blockly.Msg["EXPAND_ALL"] = "నిరోదనలను విస్తరించు";
-Blockly.Msg["EXPAND_BLOCK"] = "నిరోదన విస్తరించు";
-Blockly.Msg["EXTERNAL_INPUTS"] = "External Inputs";  // untranslated
-Blockly.Msg["HELP"] = "సహాయం";
-Blockly.Msg["INLINE_INPUTS"] = "Inline Inputs";  // untranslated
-Blockly.Msg["IOS_CANCEL"] = "Cancel";  // untranslated
-Blockly.Msg["IOS_ERROR"] = "Error";  // untranslated
-Blockly.Msg["IOS_OK"] = "OK";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "జాబితా";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "మొదటి";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "#చివరి నుండి";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "పొందు";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "పొందు మరియు తొలగించు";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "చివరి";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "యాదృచ్చిక";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "తొలగించు";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "చివరి నుండి # వరకు";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "# కు";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "తుదకు";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "జాబితాలో";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "గా";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insert at";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "అసత్యం";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Returns either true or false.";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "సత్యం";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Return true if both inputs equal each other.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "%1 కాదు";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
-Blockly.Msg["LOGIC_NULL"] = "చెల్లని";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returns null.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_AND"] = "మరియు";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "లేదా";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "పరీక్షించు";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "అసత్యమైతే";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "సత్యమైతే";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://te.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "రెండు సంఖ్యల మొత్తానికి తిరిగి వెళ్ళండి.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "రెండు సంఖ్యల తేడాకి తిరిగి వెళ్ళండి";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "change %1 by %2";  // untranslated
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "దీనితో భాగించబడును";
-Blockly.Msg["MATH_IS_EVEN"] = "is even";  // untranslated
-Blockly.Msg["MATH_IS_NEGATIVE"] = "ప్రతికూలంగా ఉంది";
-Blockly.Msg["MATH_IS_ODD"] = "is odd";  // untranslated
-Blockly.Msg["MATH_IS_POSITIVE"] = "అనుకూలంగా ఉంది";
-Blockly.Msg["MATH_IS_PRIME"] = "is prime";  // untranslated
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "is whole";  // untranslated
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";  // untranslated
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "ఒ సంఖ్య.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "జాబితా సగటు";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "max of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "min of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "జాబితా మొత్తం";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "round";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "round down";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "round up";  // untranslated
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolute";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "square root";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";  // untranslated
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";  // untranslated
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "కొత్త వ్యత్యాసం...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "కొత్త వ్యత్యాసం పేరు:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "తో:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "తో:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "ఏదో ఒకటి చేయి";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "కు";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "తిరిగి వెళ్ళు";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "మళ్ళీ చెయ్యి";
-Blockly.Msg["REMOVE_COMMENT"] = "వ్యాఖ్యను తొలగించు";
-Blockly.Msg["RENAME_VARIABLE"] = "పునఃనామకరణ వ్యత్యాసం...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "మొత్తం వ్యత్యాసాలను '%1' దీనికి పునఃనామకరణించు:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "మొదటి వర్ణాన్ని పొందు";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "చివరి వర్ణాన్ని పొందు";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "యాదృశ్చిక వర్ణాన్ని పొందు";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "చేరు";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "% 1 ఖాళీ";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1 పొడువు";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "print %1";  // untranslated
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "నేడు";
-Blockly.Msg["UNDO"] = "రద్దుచెయ్యి";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "అంశం";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/th.js b/msg/js/th.js
deleted file mode 100644
index 947308cf766..00000000000
--- a/msg/js/th.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "ใส่คำอธิบาย";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "ไม่สามารถลบตัวแปร '%1' ได้เนื่องจากเป็นส่วนหนึ่งของนิยามของฟังก์ชัน '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "เปลี่ยนค่า:";
-Blockly.Msg["CLEAN_UP"] = "จัดเรียงบล็อกให้เป็นแถว";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "บล็อกที่ถูกพับมีคำเตือนอยู่ข้างใน.";
-Blockly.Msg["COLLAPSE_ALL"] = "ย่อบล็อก";
-Blockly.Msg["COLLAPSE_BLOCK"] = "ย่อบล็อก";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "สีที่ 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "สีที่ 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "อัตราส่วน";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "ผสม";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "ผสมสองสีเข้าด้วยกันด้วยอัตราส่วน (0.0 - 1.0)";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://th.wikipedia.org/wiki/สี";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "เลือกสีจากจานสี";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "สุ่มสี";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "เลือกสีแบบสุ่ม";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "ค่าสีน้ำเงิน";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "ค่าสีเขียว";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "ค่าสีแดง";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "สีที่ประกอบด้วย";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "สร้างสีด้วยการกำหนดค่าสีแดง เขียว และน้ำเงิน ค่าทั้งหมดต้องอยู่ระหว่าง 0 ถึง 100";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "ออกจากการวนซ้ำ";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "เริ่มการวนซ้ำรอบต่อไป";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "ออกจากการวนซ้ำที่อยู่";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "ข้ามคำสั่งที่เหลืออยู่ และเริ่มต้นวนซ้ำรอบต่อไป";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "คำเตือน: บล็อกนี้ใช้งานได้ภายในการวนซ้ำเท่านั้น";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "จากทุกรายการ %1 ในรายชื่อ %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "จากทุกรายการในรายชื่อ ตั้งค่าตัวแปร \"%1\" เป็นรายการ และทำตามคำสั่งที่กำหนดไว้";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "นับด้วย %1 จาก %2 จนถึง %3 เปลี่ยนค่าทีละ %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "ตัวแปร '%1' จะเริ่มจากจำนวนเริ่มต้น ไปจนถึงจำนวนสุดท้าย ตามระยะที่กำหนด และ ทำบล็อกที่กำหนดไว้";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "กำหนดเงื่อนไขของบล็อก \"ถ้า\"";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "เพิ่มสิ่งสุดท้าย ที่จะตรวจจับความเป็นไปได้ทั้งหมดของบล็อก \"ถ้า\"";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "เพิ่ม ลบ หรือจัดเรียงบล็อก \"ถ้า\" นี้ใหม่";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "นอกเหนือจากนี้";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "นอกเหนือจากนี้ ถ้า";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ถ้า";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "ถ้าเงื่อนไขเป็นจริง ก็จะ \"ทำ\" ตามที่กำหนด";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "ถ้าเงื่อนไขเป็นจริง ก็จะ \"ทำ\" ตามที่กำหนด แต่ถ้าเงื่อนไขเป็นเท็จก็จะทำ \"นอกเหนือจากนี้\"";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "ถ้าเงื่อนไขแรกเป็นจริง ก็จะทำตามคำสั่งในบล็อกแรก แต่ถ้าไม่ก็จะไปตรวจเงื่อนไขที่สอง ถ้าเงื่อนไขที่สองเป็นจริง ก็จะทำตามเงื่อนไขในบล็อกที่สองนี้";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "ถ้าเงื่อนไขแรกเป็นจริง ก็จะทำคำสั่งในบล็อกแรก จากนั้นจะข้ามคำสั่งในบล็อกที่เหลือ แต่ถ้าเงื่อนไขแรกเป็นเท็จ ก็จะทำการตรวจเงื่อนไขที่สอง ถ้าเงื่อนไขที่สองเป็นจริง ก็จะทำตามคำสั่งในบล็อกที่สอง จากนั้นจะข้ามคำสั่งในบล็อกที่เหลือ แต่ถ้าทั้งเงื่อนไขแรกและเงื่อนไขที่สองเป็นเท็จทั้งหมด ก็จะมาทำบล็อกที่สาม";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "ทำ";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "ทำซ้ำ %1 ครั้ง";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "ทำซ้ำบางคำสั่งหลายครั้ง";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ทำซ้ำจนกระทั่ง";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ทำซ้ำขณะที่";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "ขณะที่ค่าเป็นเท็จ ก็จะทำบางคำสั่ง";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "ขณะที่ค่าเป็นจริง ก็จะทำบางคำสั่ง";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "ลบ %1 บล็อกทั้งหมด?";
-Blockly.Msg["DELETE_BLOCK"] = "ลบบล็อก";
-Blockly.Msg["DELETE_VARIABLE"] = "ลบตัวแปร '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "ลบการใช้ตัวแปร %2 %1 ครั้งหรือไม่";
-Blockly.Msg["DELETE_X_BLOCKS"] = "ลบ %1 บล็อก";
-Blockly.Msg["DISABLE_BLOCK"] = "ปิดใช้งานบล็อก";
-Blockly.Msg["DUPLICATE_BLOCK"] = "ทำสำเนา";
-Blockly.Msg["DUPLICATE_COMMENT"] = "ทำสำเนาความเห็น";
-Blockly.Msg["ENABLE_BLOCK"] = "เปิดใช้งานบล็อก";
-Blockly.Msg["EXPAND_ALL"] = "ขยายบล็อก";
-Blockly.Msg["EXPAND_BLOCK"] = "ขยายบล็อก";
-Blockly.Msg["EXTERNAL_INPUTS"] = "อินพุตภายนอก";
-Blockly.Msg["HELP"] = "ช่วยเหลือ";
-Blockly.Msg["INLINE_INPUTS"] = "อินพุตในบรรทัด";
-Blockly.Msg["IOS_CANCEL"] = "ยกเลิก";
-Blockly.Msg["IOS_ERROR"] = "ข้อผิดพลาด";
-Blockly.Msg["IOS_OK"] = "ตกลง";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ เพิ่มอินพุต";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "อนุญาตคำสั่ง";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "ฟังก์ชันนี้มีอินพุตที่ซ้ำกัน";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "อินพุต";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "เพิ่ม";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ เพิ่มตัวแปร";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "ลบ";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "คุณไม่สามารถใช้ชื่อตัวแปรที่ว่างเปล่าได้";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "เปลี่ยนชื่อ";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "ชื่อตัวแปร";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "สร้างรายการเปล่า";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "สร้างรายการเปล่า (ความยาวเป็น 0) ยังไม่มีข้อมูลใดๆ อยู่";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "รายการ";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "เพิ่ม ลบ หรือจัดเรียงบล็อกรายการนี้ใหม่";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "สร้างข้อความด้วย";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "เพิ่มไอเท็มเข้าไปในรายการ";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "สร้างรายการพร้อมด้วยไอเท็ม";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "แรกสุด";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# จากท้าย";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "เรียกดู";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "เรียกดูและเอาออก";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "ท้ายสุด";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "สุ่ม";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "เอาออก";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "คืนค่าไอเท็มอันแรกในรายการ";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "คืนค่าเป็นไอเท็มตามตำแหน่งที่ระบุ";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "คืนค่าไอเท็มอันสุดท้ายในรายการ";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "คืนค่าไอเท็มแบบสุ่มจากรายการ";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "เอาออก และคืนค่าไอเท็มอันแรกในรายการ";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "เอาออก และคืนค่าไอเท็มในตำแหน่งที่ระบุจากรายการ";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "เอาออก และคืนค่าไอเท็มอันสุดท้ายในรายการ";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "เอาออก และคืนค่าไอเท็มแบบสุ่มจากรายการ";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "เอาไอเท็มแรกสุดในรายการออก";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "คืนค่าเป็นไอเท็มตามตำแหน่งที่ระบุ";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "เอาไอเท็มอันท้ายสุดในรายการออก";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "เอาไอเท็มแบบสุ่มจากรายการออก";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "ถึง #  จากท้ายสุด";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "จนถึง #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "ถึง ท้ายสุด";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "ดึงรายการย่อยทั้งแต่แรกสุด";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "ดึงรายการย่อยจาก # จากท้ายสุด";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "ดึงรายการย่อยจาก #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "สร้างสำเนารายการในช่วงที่กำหนด";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 คือไอเท็มอันท้ายสุด";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 คือไอเท็มอันแรกสุด";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "หาอันแรกที่พบ";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "หาอันสุดท้ายที่พบ";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "คืนค่าตำแหน่งของไอเท็มอันแรก/สุดท้ายที่พบในรายการ คืนค่า %1 ถ้าหาไม่พบ";
-Blockly.Msg["LISTS_INLIST"] = "ในรายการ";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 ว่างเปล่า";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "คืนค่าเป็นจริง ถ้ารายการยังว่างเปล่า";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "ความยาวของ %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "ส่งคืนค่าความยาวของรายการ";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "สร้างรายการที่มีไอเท็ม %1 จำนวน %2";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "สร้างรายการที่ประกอบด้วยค่าตามที่ระบุในจำนวนตามที่ต้องการ";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "เรียง %1 แบบย้อนกลับ";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "เรียงลำดับสำเนาของรายชื่อแบบย้อนกลับ";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "เป็น";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "แทรกที่";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "กำหนด";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "แทรกไอเท็มเข้าไปเป็นอันแรกสุดของรายการ";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "แทรกไอเท็มเข้าไปในตำแหน่งที่กำหนด";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "เพิ่มไอเท็มเข้าไปท้ายสุดของรายการ";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "เพิ่มไอเท็มเข้าไปในรายการแบบสุ่ม";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "กำหนดไอเท็มอันแรกในรายการ";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "กำหนดไอเท็มในตำแหน่งที่ระบุในรายการ";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "กำหนดไอเท็มอันสุดท้ายในรายการ";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "กำหนดไอเท็มแบบสุ่มในรายการ";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "น้อยไปหามาก";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "มากไปหาน้อย";
-Blockly.Msg["LISTS_SORT_TITLE"] = "เรียงลำดับ %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "เรียงลำดับสำเนาของรายชื่อ";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "ตัวอักษร";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "ตัวเลข";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "ตัวอักษร";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "สร้างรายการจากข้อความ";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "สร้างข้อความจากรายการ";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "รวมรายการข้อความเป็นข้อความเดียว แบ่งด้วยตัวคั่น";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "แบ่งข้อความเป็นรายการข้อความ แยกแต่ละรายการด้วยตัวคั่น";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "ด้วยตัวคั่น";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "เท็จ";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "คืนค่าเป็นจริงหรือเท็จ";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "จริง";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://th.wikipedia.org/wiki/อสมการ";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "คืนค่าเป็น \"จริง\" ถ้าค่าที่ใส่ทั้งสองค่านั้นเท่ากัน";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "คืนค่าเป็น \"จริง\" ถ้าค่าแรกมากกว่าค่าที่สอง";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "คืนค่าเป็น \"จริง\" ถ้าค่าแรกมากกว่าหรือเท่ากับค่าที่สอง";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "คืนค่าเป็น \"จริง\" ถ้าค่าแรกน้อยกว่าค่าที่สอง";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "คืนค่าเป็น \"จริง\" ถ้าค่าแรกน้อยกว่าหรือเท่ากับค่าที่สอง";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "คืนค่าเป็น \"จริง\" ถ้าค่าที่ใส่ทั้งสองค่านั้นไม่เท่ากัน";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ไม่ %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "คืนค่าเป็น \"จริง\" ถ้าค่าที่ใส่เป็นเท็จ คืนค่าเป็น \"เท็จ\" ถ้าค่าที่ใส่เป็นจริง";
-Blockly.Msg["LOGIC_NULL"] = "ไม่กำหนด";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "คืนค่า \"ไม่กำหนด\"";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "และ";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "หรือ";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "คืนค่าเป็น \"จริง\" ถ้าค่าทั้งสองค่าเป็นจริง";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "คืนค่าเป็น \"จริง\" ถ้ามีอย่างน้อยหนึ่งค่าที่เป็นจริง";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "ทดสอบ";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "ถ้า เป็นเท็จ";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "ถ้า เป็นจริง";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "ตรวจสอบเงื่อนไขใน \"ทดสอบ\" ถ้าเงื่อนไขเป็นจริง จะคืนค่า \"ถ้า เป็นจริง\" ถ้าเงื่อนไขเป็นเท็จ จะคืนค่า \"ถ้า เป็นเท็จ\"";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://th.wikipedia.org/wiki/เลขคณิต";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "คืนค่าผลรวมของตัวเลขทั้งสองจำนวน";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "คืนค่าผลหารของตัวเลขทั้งสองจำนวน";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "คืนค่าผลต่างของตัวเลขทั้งสองจำนวน";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "คืนค่าผลคูณของตัวเลขทั้งสองจำนวน";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "คืนค่าผลการยกกำลัง โดยตัวเลขแรกเป็นฐาน และตัวเลขที่สองเป็นเลขชี้กำลัง";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "เปลี่ยนอาร์กแทนเจนต์ของชุด (X, Y) จากองศา 180 เป็น -180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "เปลี่ยนค่า %1 เป็น %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "เพิ่มค่าของตัวแปร \"%1\"";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://th.wikipedia.org/wiki/ค่าคงตัวทางคณิตศาสตร์";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "คืนค่าคงตัวทางคณิตศาสตร์ที่พบบ่อยๆ เช่น π (3.141…), e (2.718…), φ (1.618…), รากที่สอง (1.414…), รากที่ ½ (0.707…), ∞ (อนันต์)";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "จำกัดค่า %1 ต่ำสุด %2 สูงสุด %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "จำกัดค่าของตัวเลขให้อยู่ในช่วงที่กำหนด";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "หารลงตัว";
-Blockly.Msg["MATH_IS_EVEN"] = "เป็นจำนวนคู่";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "เป็นเลขติดลบ";
-Blockly.Msg["MATH_IS_ODD"] = "เป็นจำนวนคี่";
-Blockly.Msg["MATH_IS_POSITIVE"] = "เป็นเลขบวก";
-Blockly.Msg["MATH_IS_PRIME"] = "เป็นจำนวนเฉพาะ";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "ตรวจว่าตัวเลขเป็นจำนวนคู่ จำนวนคี่ จำนวนเฉพาะ จำนวนเต็ม เลขบวก เลขติดลบ หรือหารด้วยเลขที่กำหนดลงตัวหรือไม่ คืนค่าเป็นจริงหรือเท็จ";
-Blockly.Msg["MATH_IS_WHOLE"] = "เป็นเลขจำนวนเต็ม";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "เศษของ %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "คืนค่าเศษที่ได้จากการหารของตัวเลขทั้งสองจำนวน";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://th.wikipedia.org/wiki/จำนวน";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "จำนวน";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "ค่าเฉลี่ยของรายการ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "มากที่สุดในรายการ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "ค่ามัธยฐานของรายการ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "น้อยที่สุดในรายการ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "ฐานนิยมของรายการ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "สุ่มรายการ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "ส่วนเบี่ยงเบนมาตรฐานของรายการ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "ผลรวมของรายการ";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "คืนค่าเฉลี่ยของรายการ";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "คืนค่าตัวเลขที่มากที่สุดในรายการ";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "คืนค่ามัธยฐานของรายการ";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "คืนค่าตัวเลขที่น้อยที่สุดในรายการ";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "คืนค่าฐานนิยมของรายการ";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "สุ่มคืนค่าสิ่งที่อยู่ในรายการ";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "คืนค่าส่วนเบี่ยงเบนมาตรฐานของรายการ";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "คืนค่าผลรวมของตัวเลขทั้งหมดในรายการ";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "สุ่มเลขเศษส่วน";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "สุ่มเลขเศษส่วน ตั้งแต่ 0.0 แต่ไม่เกิน 1.0";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "สุ่มเลขจำนวนเต็มตั้งแต่ %1 จนถึง %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "สุ่มเลขจำนวนเต็มจากช่วงที่กำหนด";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://th.wikipedia.org/wiki/การปัดเศษ";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "ปัดเศษ";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "ปัดเศษลง";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "ปัดเศษขึ้น";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "ปัดเศษของตัวเลขขึ้นหรือลง";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "ค่าสัมบูรณ์";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "รากที่สอง";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "คืนค่าค่าสัมบูรณ์ของตัวเลข";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "คืนค่า e ยกกำลังด้วยตัวเลข";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "คืนค่าลอการิทึมธรรมชาติของตัวเลข";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "คืนค่าลอการิทึมฐานสิบของตัวเลข";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "คืนค่าติดลบของตัวเลข";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "คืนค่า 10 ยกกำลังด้วยตัวเลข";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "คืนค่ารากที่สองของตัวเลข";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://th.wikipedia.org/wiki/ฟังก์ชันตรีโกณมิติ";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "คืนค่า arccosine ของตัวเลข";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "คืนค่า arcsine ของตัวเลข";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "คืนค่า arctangent ของตัวเลข";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "คืนค่า cosine ขององศา (ไม่ใช่เรเดียน)";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "คืนค่า sine ขององศา (ไม่ใช่เรเดียน)";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "คืนค่า tangent ขององศา (ไม่ใช่เรเดียน)";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "สร้างตัวแปรสี";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "สร้างตัวแปรจำนวน";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "สร้างตัวแปร string";
-Blockly.Msg["NEW_VARIABLE"] = "สร้างตัวแปร...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "ชื่อตัวแปรใหม่:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "ชนิดตัวแปรใหม่";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "ข้อความที่ใช้ได้";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "ด้วย:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://th.wikipedia.org/wiki/ซับรู้ทีน";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "เรียกใช้ฟังก์ชันที่สร้างโดยผู้ใช้ \"%1\"";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://th.wikipedia.org/wiki/ซับรูทีน";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "เรียกใช้ฟังก์ชันที่สร้างโดยผู้ใช้ \"%1\" และใช้ผลลัพธ์ของมัน";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "ด้วย:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "สร้าง \"%1\"";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "อธิบายฟังก์ชันนี้";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "ทำอะไรบางอย่าง";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "ถึง";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "สร้างฟังก์ชันที่ไม่มีผลลัพธ์";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "คืนค่า";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "สร้างฟังก์ชันที่มีผลลัพธ์";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "ระวัง: ฟังก์ชันนี้มีพารามิเตอร์ที่มีชื่อซ้ำกัน";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "เน้นฟังก์ชันนิยาม";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "ถ้ามีค่าเป็นจริง ให้คืนค่าที่สอง";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "ระวัง: บล็อกนี้ใช้เฉพาะในการสร้างฟังก์ชันเท่านั้น";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "ชื่อนำเข้า:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "เพิ่มค่าป้อนเข้าฟังก์ชัน";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "นำเข้า";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "เพิ่ม, ลบ, หรือจัดเรียง ข้อมูลที่ป้อนเข้าฟังก์ชันนี้";
-Blockly.Msg["REDO"] = "ทำซ้ำ";
-Blockly.Msg["REMOVE_COMMENT"] = "เอาคำอธิบายออก";
-Blockly.Msg["RENAME_VARIABLE"] = "เปลี่ยนชื่อตัวแปร...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "เปลี่ยนชื่อตัวแปร '%1' ทั้งหมดเป็น:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "นำเอา %1 ต่อด้วยข้อความ %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "ต่อข้อความให้ตัวแปร \"%1\"";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "เปลี่ยนเป็น ตัวพิมพ์เล็ก";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "เปลี่ยนเป็น ตัวอักษรแรกเป็นตัวพิมพ์ใหญ่";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "เปลี่ยนเป็น ตัวพิมพ์ใหญ่";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "คืนค่าสำเนาของข้อความในกรณีต่างๆ";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "ดึง ตัวอักษรตัวแรก";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "ดึง ตัวอักษรตัวที่ # จากท้าย";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "ดึง ตัวอักษรตัวที่";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "ดึง ตัวอักษรตัวสุดท้าย";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "ถึงตัวอักษรแบบสุ่ม";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "ในข้อความ %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "คืนค่าตัวอักษรจากตำแหน่งที่ระบุ";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "นับ %1 ภายใน %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "นับจำนวนข้อความแรกที่พบอยู่ในข้อความที่สอง";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "เพิ่มรายการเข้าไปในข้อความ";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "รวม";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "เพิ่ม ลบ หรือจัดเรียงบล็อกข้อความนี้ใหม่";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "จนถึง ตัวอักษรที่ # จากท้าย";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "จนถึง ตัวอักษรที่";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "จนถึง ตัวอักษรสุดท้าย";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "ในข้อความ";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "แยกข้อความย่อยตั้งแต่ ตัวอักษรแรก";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "แยกข้อความย่อยตั้งแต่ ตัวอักษรที่ # จากท้าย";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "แยกข้อความย่อยตั้งแต่ ตัวอักษรที่";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "คืนค่าบางส่วนของข้อความ";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "หาข้อความแรกที่พบ";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "หาข้อความสุดท้ายที่พบ";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "ในข้อความ %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "คืนค่าตำแหน่งที่พบข้อความแรกอยู่ในข้อความที่สอง คืนค่า %1 ถ้าหาไม่พบ";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 ว่าง";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "คืนค่าจริง ถ้าข้อความยังว่างเปล่า";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "สร้างข้อความด้วย";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "สร้างข้อความด้วยการรวมจำนวนของรายการเข้าด้วยกัน";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "ความยาวของ %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "คืนค่าความยาวของข้อความ (รวมช่องว่าง)";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "พิมพ์ %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "พิมพ์ข้อความ ตัวเลข หรือค่าอื่นๆ";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "แสดงหน้าต่างให้ผู้ใช้ใส่ตัวเลข";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "แสดงหน้าต่างให้ผู้ใช้ใส่ข้อความ";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "แสดงหน้าต่างตัวเลข";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "แสดงหน้าต่างข้อความ";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "แทนที่ %1 ด้วย %2 ใน %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "แทนที่ข้อความแรกทั้งหมดที่พบในข้อความที่สอง";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "เรียง %1 แบบย้อนกลับ";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "เรียงตัวอักษรทั้งหมดของข้อความแบบย้อนกลับ";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://th.wikipedia.org/wiki/สายอักขระ";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "ตัวหนังสือ คำ หรือข้อความ";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "ลบช่องว่างทั้งสองข้างของ";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "ลบช่องว่างด้านหน้าของ";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "ลบช่องว่างข้างท้ายของ";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "คืนค่าสำเนาของข้อความที่ลบเอาช่องว่างหน้าและหลังข้อความออกแล้ว";
-Blockly.Msg["TODAY"] = "วันนี้";
-Blockly.Msg["UNDO"] = "ย้อนกลับ";
-Blockly.Msg["UNNAMED_KEY"] = "ไม่มีชื่อ";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "รายการ";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "สร้าง \"กำหนด %1\"";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "คืนค่าของตัวแปรนี้";
-Blockly.Msg["VARIABLES_SET"] = "กำหนด %1 จนถึง %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "สร้าง \"get %1\"";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "กำหนดให้ตัวแปรนี้เท่ากับการป้อนข้อมูล";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "มีตัวแปรชื่อ '%1' อยู่แล้ว";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "ตัวแปรชื่อ '%1' มีอยู่แล้วสำหรับตัวแปรอื่นของชนิด: '%2'";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "พื้นที่ทำงาน Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "เขียนอะไรสักอย่าง";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/tl.js b/msg/js/tl.js
deleted file mode 100644
index e88f51164af..00000000000
--- a/msg/js/tl.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Dagdag komento";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "pagbago ng value:";
-Blockly.Msg["CLEAN_UP"] = "Clean up Blocks";  // untranslated
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "bloke";
-Blockly.Msg["COLLAPSE_BLOCK"] = "bloke";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "kulay 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "kulay 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "proporsyon";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "halo";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Paghalo ng dalawang kulay kasama ng ibinigay na proporsyon (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";  // untranslated
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "pagpili ng kulay sa paleta.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "iba ibang kulay";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "pagpili ng iba't ibang kulay.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "asul";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "berde";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "pula";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "kulayan ng";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "gumawa ng kulay ng may espisipikong dami ng kulay pula, berde, at asul. lahat ng halaga ay dapat sa pagitan ng 0 at 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "putulin ang paulit ulit";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "Magpatuloy sa susunod na pag-ulit ng loop";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Hatiin ang nilalaman ng loop.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Laktawan ang natitirang bahagi ng loop, at magpatuloy sa susunod na pag-ulit.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Babala: Ang block ito ay maaari lamang magamit sa loob ng loop.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "sa bawat bagay %1 sa listahan %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Para sa bawat item sa isang list, i-set ang variable ng '%1' sa mga item, at pagkatapos ay gumawa ng ilang mga statements.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "bilangin %1 mula %2 hanggang %3 ng %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Magkaroon ng mga variable na \"%1\" na tanggalin ng mga halaga mula sa simulang numero hanggang sa dulong numero, at bilangin sa pamamagitan ng tinukoy na agwat, at gawin ang mga tinukoy na mga blocks.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Mag dagdag ng condition sa if block.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Mag Add ng final, kunin lahat ng condition sa if block.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Mag Add, remove o kaya mag reorder ng sections para maayos ang if block.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "else";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "else if";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "kung";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "kung ang value ay true,  gagawin ang do statements.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Kung ang value ay true, gagawin ang unang block ng do statements. Kung hindi, gagawin ang pangalawang block ng statement.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Kung ang unang value ay true, gagawin ang first block ng statement. Kung hindi, kung ang second value ay true, gagawin ang second block ng statement.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Kung ang first value ay true, gagawin ang first block ng statement. Kung hindi true ang second value, gagawin ang second block ng statement. Kung wala sa mga values ay true, gagawin ang last block ng statements.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "gawin";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "ulitin %1 beses";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "gumawa ng ilang pangungusap ng ilang ulit.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "ulitin hanggang";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "ulitin habang";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Habang ang value ay false, gagawin ang ibang statements.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Habang ang value ay true, gagawin ang ibang statements.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Delete all %1 blocks?";  // untranslated
-Blockly.Msg["DELETE_BLOCK"] = "burahin ang bloke";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "burahin %1 ng bloke";
-Blockly.Msg["DISABLE_BLOCK"] = "Ipangwalang bisa ang Block";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Kaparehas";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "Bigyan ng bisa ang Block";
-Blockly.Msg["EXPAND_ALL"] = "Palawakin ang Blocks";
-Blockly.Msg["EXPAND_BLOCK"] = "Palawakin ang Block";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Panlabas na Inputs";
-Blockly.Msg["HELP"] = "Tulong";
-Blockly.Msg["INLINE_INPUTS"] = "Inline na Inputs";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";  // untranslated
-Blockly.Msg["IOS_ERROR"] = "Error";  // untranslated
-Blockly.Msg["IOS_OK"] = "OK";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "Gumawa ng walang laman na list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Ibabalik ang list, na may haba na 0, nag lalaman ng walang data records";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "list";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Magdagdag, mag tanggal or mag ayos ng sections para muling maayos ang listahan ng block.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "gumawa ng list kasama";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Mag dagdag ng item sa list.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Gumawa ng list na may kahit anong number ng items.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "Una";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# mula katapusan";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "kunin";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "kunin at tanggalin";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "huli";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "nang hindi pinipili";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "tanggalin";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Ibalik ang unang item sa list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Ibalik ang item sa itinakdang posisyon sa list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Ibalik ang huling item sa list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Nag babalik ng hindi pinipiling item sa list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Nag tatanggal at nag babalik ng mga unang item sa list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Nag tatanggal at nag babalik ng mga items sa tinukoy na posisyon sa list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Nag tatanggal at nag babalik ng huling item sa list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Nag tatanggal at nag babalik ng mga hindi pinipiling item sa list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Nag tatanggal ng unang item sa list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Nag tatanggal ng item sa tinukoy na posisyon sa list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Nag tatanggal ng huling item sa list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Nag tatanggal ng item mula sa walang pinipiling list.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "mula # hanggang huli";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "mula #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "hanggang huli";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "pag kuha ng sub-list mula sa una";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "pag kuha ng sub-list mula sa # mula huli";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "pag kuha ng sub-list mula #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Gumagawa ng kopya ng tinukoy na bahagi ng list.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 ay ang huling item.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 ay ang unang item.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "Hanapin ang unang pangyayari ng item";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "hanapin ang huling pangyayari ng item";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Pagbalik ng index ng una/huli pangyayari ng item sa list. Pagbalik ng %1 kung ang item ay hindi makita.";
-Blockly.Msg["LISTS_INLIST"] = "sa list";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 ay walang laman";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Nagbabalik ng true kung ang list ay walang laman.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "haba ng %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Pag balik ng haba ng list.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "pag gawa ng list kasama ng item %1 inuulit %2 beses";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Pag gawa ng list na binubuo ng binigay na value at inulit na tinuloy na bilang ng beses.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "gaya ng";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "isingit sa";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Nag singit ng item sa simula ng list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Nag singit ng item sa tinukoy na posistion sa list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Idagdag ang item sa huli ng isang list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Isingit ang item ng walang pinipili sa isang list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Pag set ng unang item sa isang list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Pag set ng item sa tinukoy na position sa isang list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Pag set sa huling item sa isang list.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Pag set ng walang pinipiling item sa isang list.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "mali";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Nag babalik ng true or false.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "tama";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Nag babalik ng true kung ang pinasok ay parehong magkatumbas.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Nagbabalik ng true kung ang unang pinasok ay mas malaki kaysa pangalawang pinasok.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Nag babalik ng true kung ang unang pinasok ay mas malaki or katumbas ng pangalawang pinasok.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Nag babalik ng true kung ang unang pinasok ay maliit kaysa sa pangalawang pinasok.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Nag babalik ng true kung ang unang pinasok ay maliit sa o katumbas sa pangalawang pinasok.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "not %1";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
-Blockly.Msg["LOGIC_NULL"] = "blangko";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returns null.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_AND"] = "at";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "o";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "kung mali";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "kung tama";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Return the sum of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "baguhin %1 by %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "is divisible by";  // untranslated
-Blockly.Msg["MATH_IS_EVEN"] = "is even";  // untranslated
-Blockly.Msg["MATH_IS_NEGATIVE"] = "ay negatibo";
-Blockly.Msg["MATH_IS_ODD"] = "is odd";  // untranslated
-Blockly.Msg["MATH_IS_POSITIVE"] = "ay positibo";
-Blockly.Msg["MATH_IS_PRIME"] = "is prime";  // untranslated
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "is whole";  // untranslated
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";  // untranslated
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "A number.";  // untranslated
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "average of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "max of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "min of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "sum of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "round";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "round down";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "round up";  // untranslated
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "absolute";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "square root";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";  // untranslated
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";  // untranslated
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "Create variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "New variable name:";  // untranslated
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "do something";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "to";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "return";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "Redo";  // untranslated
-Blockly.Msg["REMOVE_COMMENT"] = "Remove Comment";  // untranslated
-Blockly.Msg["RENAME_VARIABLE"] = "Rename variable...";  // untranslated
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Rename all '%1' variables to:";  // untranslated
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "join";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "print %1";  // untranslated
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "Today";  // untranslated
-Blockly.Msg["UNDO"] = "Undo";  // untranslated
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "item";  // untranslated
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/tlh.js b/msg/js/tlh.js
deleted file mode 100644
index 5054a9365f6..00000000000
--- a/msg/js/tlh.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "QInHom chel";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "choH:";
-Blockly.Msg["CLEAN_UP"] = "ngoghmeyvaD tlhegh rurmoH";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "ngoghmey DejmoH";
-Blockly.Msg["COLLAPSE_BLOCK"] = "ngogh DejmoH";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "rItlh wa'";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "rItlh cha'";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "'ar";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "DuD";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Blends two colours together with a given ratio (0.0 - 1.0).";  // untranslated
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";  // untranslated
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Choose a colour from the palette.";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "rItlh vISaHbe'";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Choose a colour at random.";  // untranslated
-Blockly.Msg["COLOUR_RGB_BLUE"] = "chal rItlh";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "tI rItlh";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "'Iw rItlh";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "rItlh wIv";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Create a colour with the specified amount of red, green, and blue. All values must be between 0 and 100.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "gho Haw'";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "gho taHqa'";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Break out of the containing loop.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "yIqIm! ghoDaq neH ngoghvam lo'laH vay'.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "ngIq Doch %1 ngaSbogh tetlh %2 nuDDI'";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For each item in a list, set the variable '%1' to the item, and then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "togh %1 mung %2 ghoch %3 Do %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Add a condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "pagh";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "pagh teHchugh";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "teHchugh";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "If a value is true, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "ruch";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1-logh qaSmoH";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Do some statements several times.";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "teHpa' qaSmoH";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "teHtaHvIS qaSmoH";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "While a value is false, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "While a value is true, then do some statements.";  // untranslated
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Hoch %1 ngoghmey Qaw'?";
-Blockly.Msg["DELETE_BLOCK"] = "ngogh Qaw'";
-Blockly.Msg["DELETE_VARIABLE"] = "Delete the '%1' variable";  // untranslated
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Delete %1 uses of the '%2' variable?";  // untranslated
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 ngoghmey Qaw'";
-Blockly.Msg["DISABLE_BLOCK"] = "ngogh Qotlh";
-Blockly.Msg["DUPLICATE_BLOCK"] = "velqa' chenmoH";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "ngogh QotlhHa'";
-Blockly.Msg["EXPAND_ALL"] = "ngoghmey DejHa'moH";
-Blockly.Msg["EXPAND_BLOCK"] = "ngogh DejHa'moH";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Hur rar";
-Blockly.Msg["HELP"] = "QaH";
-Blockly.Msg["INLINE_INPUTS"] = "qoD rar";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";  // untranslated
-Blockly.Msg["IOS_ERROR"] = "Error";  // untranslated
-Blockly.Msg["IOS_OK"] = "OK";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "tetlh chIm";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "tetlh";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "tetlh ghom";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "wa'DIch";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# Qav";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "Suq";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "Suq vaj pej";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "Qav";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "Sahbe'";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "pej";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "mojaQ # Qav";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "mojaQ #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "mojaQ Qav";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "tetlhHom moHaq wa'DIch";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "tetlhHom moHaq # Qav";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "tetlhHom moHaq #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "Suq";
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "Doch sam wa'DIch";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "Doch sam Qav";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "tetlhDaq";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 chIm'a'";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "chuq %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "tetlh ghom %2 Dochmey %1 pus";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "Dos";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "lIH";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "choH";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "tetlh ghermeH ghItlh wav";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "ghItlh chenmoHmeH tetlh gherHa'";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "rarwI'Hom lo'";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "teHbe'";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Returns either true or false.";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "teH";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Return true if both inputs equal each other.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "yoymoH %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
-Blockly.Msg["LOGIC_NULL"] = "paghna'";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returns null.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_AND"] = "'ej";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "qoj";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "chov";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "teHbe'chugh";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "teHchugh";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Return the sum of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "choH %1 chel %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "jon %1 bIng %2 Dung %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "wav'a'";
-Blockly.Msg["MATH_IS_EVEN"] = "lang'a' mI'";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "bIng pagh";
-Blockly.Msg["MATH_IS_ODD"] = "ror'a' mI'";
-Blockly.Msg["MATH_IS_POSITIVE"] = "Dung pagh";
-Blockly.Msg["MATH_IS_PRIME"] = "potlh'a' mI'";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "ngoHlaHbe''a'";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "ratlwI' SIm %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";  // untranslated
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "A number.";  // untranslated
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "beQwI' SIm tetlh";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "tInwI''a' SIm tetlh";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "beQwI'botlh SIm tetlh";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "machwI''a' SIm tetlh";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "beQwI' motlh SIm tetlh";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "SaHbe' SIm tetlh";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "motlhbe'wI' SIm tetlh";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "chelwI' SIm tetlh";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "mI'HomSaHbe'";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "ngoH mI'SaHbe' bIng %1 Dung %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "ngoH";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "bIng ngoH";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "Dung ngoH";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "Dung pagh choH";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "cha'DIch wav";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";  // untranslated
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";
-Blockly.Msg["MATH_TRIG_COS"] = "cos";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";  // untranslated
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "lIw chu'...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "lIw chu' pong:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "mu'tlhegh chaw'";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "qel:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "qel:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "chel '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "mIw yIDel...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "mIw";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "ruch";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "chegh";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "ghuHmoHna': qelwI' cha'logh chen.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "mIwna' wew";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "ghoHmoHna': ngoghvam ngaSbe' mIwDaq.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "pong:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "qelwI'mey";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "vangqa'";
-Blockly.Msg["REMOVE_COMMENT"] = "QInHom chelHa'";
-Blockly.Msg["RENAME_VARIABLE"] = "lIw pong choH...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Hoch \"%1\" lIwmey pongmey choH:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "chel %1 ghItlh %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "machchoH";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "DojchoH";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "tInchoH";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "mu'Hom wa'DIch";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "mu'Hom # Qav";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "mu'Hom #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "mu'Hom Qav";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "mu'Hom SaHbe'";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "Suq";
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "ghom";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "mojaq mu'Hom # Qav";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "mojaq mu'Hom #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "mojaq mu'Hom Qav";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "ghItlhDaq";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "ghItlhHom moHaq mu'Hom wa'DIch";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "ghItlhHom moHaq mu'Hom # Qav";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "ghItlhHom moHaq mu'Hom #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "Suq";
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "ghItlh wa'DIch Sam";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "ghItlh Qav Sam";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "ghItlhDaq %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 chIm'a'";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "ghItlh ghom";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "chuq %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "maq %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "mI' tlhob 'ej maq";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "ghItln tlhob 'ej maq";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "poSnIHlogh pei";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "poSlogh pei";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "nIHlogh pei";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "DaHjaj";
-Blockly.Msg["UNDO"] = "vangHa'";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "Doch";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "chel 'choH %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "choH %1 %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "chel 'Suq %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "A variable named '%1' already exists.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/tr.js b/msg/js/tr.js
deleted file mode 100644
index e84d6627201..00000000000
--- a/msg/js/tr.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Yorum Ekle";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "'%1' değişkeni, '%2' fonksiyonunun tanımının bir parçası olduğu için silinemez";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Değeri değiştir:";
-Blockly.Msg["CLEAN_UP"] = "Blokları Temizle";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Daraltılmış bloklar uyarı içerir.";
-Blockly.Msg["COLLAPSE_ALL"] = "Blokları Daralt";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Bloğu Daralt";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "1. renk";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "2. renk";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "oran";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "karıştır";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Verilen bir orana (0.0 - 1.0) bağlı olarak iki rengi karıştırır.";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://tr.wikipedia.org/wiki/Renk";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Paletten bir renk seç.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "rastgele renk";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Rastgele bir renk seç.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "mavi";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "yeşil";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "kırmızı";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "renk değerleri";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Kırmızı, yeşil ve mavinin belirli miktarıyla bir renk oluştur.  Tüm değerler 0 ile 100 arasında olmalıdır.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "döngüden çık";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "döngünün sonraki adımından devam et";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "İçeren döngüden çık.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Bu döngünün geri kalanını atlayın ve sonraki adım ile devam edin.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Uyarı: Bu blok yalnızca bir döngü içinde kullanılabilir.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "her öğe için %1 listede %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Bir listedeki her öğe için  '%1' değişkenini maddeye atayın  ve bundan sonra bazı açıklamalar yapın.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "ile sayılır %1 %2 den %3 ye, her adımda %4 değişim";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Başlangıç sayısından bitiş sayısına kadar belirtilen aralık ve belirtilen engeller ile devam eden değerler alan '%1' değişkeni oluştur.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "If bloğuna bir koşul ekleyin.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "If bloğuna kalan durumları \"yakalayan\" bir son ekle.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "If bloğuna ekle, kaldır veya yeniden düzenleme yap.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "değilse";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "değilse eğer";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "eğer";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Eğer değişken true, yani gerçekleşmiş ise ardından gelen işlemi yerine getir.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Eğer değişken true, yani gerçekleşiyor ise ilk bloktaki işlemleri yerine getir. Aksi halde ikinci bloktaki işlemleri yerine getir.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Eğer ilk değişken true, yani koşul gerçekleşmiş ise ilk blok içerisindeki işlemi gerçekleştir. Eğer ikinci değişken true ise, ikinci bloktaki işlemi gerçekleştir.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Eğer ilk değer true, yani olumlu ise, ilk bloktaki işlemi gerçekleştir. İlk değer true değil ama ikinci değer true ise, ikinci bloktaki işlemi gerçekleştir. Eğer değerlerin hiçbiri true değil ise son bloktaki işlemi gerçekleştir.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://tr.wikipedia.org/wiki/For_döngüsü";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "yap";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 kez tekrarla";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Bazı işlemleri birkaç kez yap.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "kadar tekrarla";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "tekrar ederken";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Bir değer yanlış olduğunda bazı beyanlarda bulun.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Bir değer doğru olduğunda bazı beyanlarda bulun.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Tüm %1 blokları silinsin mi?";
-Blockly.Msg["DELETE_BLOCK"] = "Bloğu Sil";
-Blockly.Msg["DELETE_VARIABLE"] = "'%1' değişkenini silmek istiyor musunuz?";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "'%2' değişkeninin %1 kullanımını silmek istiyor musunuz?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 Bloğunu Sil";
-Blockly.Msg["DISABLE_BLOCK"] = "Bloğu Devre Dışı Bırak";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Yinelenen";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Yinelenen Yorum";
-Blockly.Msg["ENABLE_BLOCK"] = "Bloğu Etkinleştir";
-Blockly.Msg["EXPAND_ALL"] = "Blokları Genişlet";
-Blockly.Msg["EXPAND_BLOCK"] = "Bloğu Genişlet";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Harici Girişler";
-Blockly.Msg["HELP"] = "Yardım";
-Blockly.Msg["INLINE_INPUTS"] = "Satır içi Girişler";
-Blockly.Msg["IOS_CANCEL"] = "İptal";
-Blockly.Msg["IOS_ERROR"] = "Hata";
-Blockly.Msg["IOS_OK"] = "Tamam";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Giriş Ekle";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Açıklamalara izin ver";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Bu fonksiyonda mükerrer girdi tanımlı.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "GİRİŞLER";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Ekle";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Değişken Ekle";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Sil";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Değişken adı kısmı boş bırakılamaz.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Yeniden adlandır";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Değişken adı";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "boş liste oluştur";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Veri kaydı içermeyen 0 uzunluğunda bir liste döndürür";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "liste";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Bu liste bloğunu yeniden yapılandırmak için bölüm ekleyin, kaldırın veya yeniden sıralayın.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "ile liste oluştur";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Listeye bir öğe ekleyin.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "İstediğiniz sayıda öğe içeren bir liste oluşturun.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "ilk";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# sonundan";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "# Kare";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "al";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "al ve kaldır";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "son";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "rastgele";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "kaldır";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Listedeki ilk öğeyi döndürür.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Listede belirtilen konumda bulunan öğeyi döndürür.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Listedeki son öğeyi döndürür.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Listedeki rastgele bir öğeyi döndürür.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Listedeki ilk öğeyi kaldırır ve döndürür.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Öğeyi bir listede belirtilen konumda kaldırır ve döndürür.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Listedeki son öğeyi kaldırır ve döndürür.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Listedeki rastgele bir öğeyi kaldırır ve döndürür.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Listedeki ilk öğeyi kaldırır.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Listede belirtilen konumda bulunan öğeyi kaldırır.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Listedeki son öğeyi kaldırır.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Listedeki rastgele bir öğeyi kaldırır.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "sonuna kadar #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "sona";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "ilk önce alt listeyi al";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "# listesinden alt listeyi al";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "# listesinden alt liste al";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Listenin belirtilen bölümünün bir kopyasını oluşturur.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 son öğedir.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 ilk öğedir.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "öğenin ilk oluşumunu bul";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "öğenin son tekrarlamasını bul";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Listedeki öğenin ilk/son oluşumunun dizinini döndürür. Öğe bulunmazsa %1 değerini döndürür.";
-Blockly.Msg["LISTS_INLIST"] = "listede";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 boş";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Liste boşsa true değerini döndürür.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1 uzunluğu";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Bir listenin uzunluğunu döndürür.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "%1 tekrarlanan %2 öğeyle liste oluştur";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Belirtilen sayıda tekrarlanan belirli bir değerden oluşan bir liste oluşturur.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "%1 ters çevirin";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Listenin bir kopyasını ters çevirin.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "olarak";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "yerleştir";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "ayarla";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Öğeyi listenin başına ekler.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Öğeyi bir listede belirtilen konuma ekler.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Öğeyi listenin sonuna ekleyin.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Öğeyi bir listeye rastgele ekler.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Listedeki ilk öğeyi ayarlar.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Öğeyi bir listede belirtilen konuma ayarlar.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Listedeki son öğeyi ayarlar.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Listede rastgele bir öğe ayarlar.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "artan";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "azalan";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sıra %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Listenin bir kopyasını sıralayın.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alfabetik, görmezden gelin";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "sayısal";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alfabetik";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "metinden liste yap";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "listeden metin yap";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Metin listesini bir sınırlayıcı ile ayrılmış tek bir metinde birleştirin.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Metni, her bir sınırlayıcıyı kırarak bir metin listesine bölün.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "sınırlayıcı ile";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "false";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "True veya false değerini döndürür.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "true";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://tr.wikipedia.org/wiki/Eşitsizlikler";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Her iki giriş de birbirine eşitse true değerini döndürün.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "İlk giriş ikinci girişten büyükse true değerini döndürün.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "İlk giriş ikinci girişten büyük veya ona eşitse true değerini döndürün.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "İlk giriş ikinci girişten küçükse true değerini döndürün.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "İlk giriş ikinci girişten küçük veya ona eşitse true değerini döndürün.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Her iki giriş de birbirine eşit değilse true değerini döndürün.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "%1 değil";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Giriş yanlışsa true değerini döndürür. Giriş doğruysa false değerini döndürür.";
-Blockly.Msg["LOGIC_NULL"] = "boş";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://tr.wikipedia.org/wiki/Sıfırlanabilir_tip";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Boş değerini döndürür.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "ve";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "veya";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Her iki giriş de doğruysa true döndür.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Girişlerden en az biri doğru olduğunda true değerini döndürün.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "deneme";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://tr.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "if false";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "if true";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "'test' durumunu kontrol edin. Koşul true olursa, 'if true' değerini döndürür; aksi takdirde 'if false' değerini döndürür.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://tr.wikipedia.org/wiki/Aritmetik";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "İki sayının toplamını döndürün.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "İki sayının bölümünü döndürün.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "İki sayının farkını döndürün.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "İki sayının çarpımını döndürün.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Yükseltilen ilk sayıyı ikinci sayının gücüne döndürün.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://tr.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2, X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "-180'den 180'e derece cinsinden nokta (X, Y) arktanjantını döndürün.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://tr.wikipedia.org/wiki/Programlama_deyimi";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "%1 %2 göre değiştir";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "'%1' değişkenine bir sayı ekle.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://tr.wikipedia.org/wiki/Matematiksel_sabit";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Ortak sabitlerden birini döndür: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (sonsuzluk).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "%1 en düşük %2 en yüksek %3 ile sınırla";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Bir sayıyı belirtilen sınırlar arasında (dahil) ile sınırlandırın.";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "bölünebilir";
-Blockly.Msg["MATH_IS_EVEN"] = "çift";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "negatif";
-Blockly.Msg["MATH_IS_ODD"] = "tek";
-Blockly.Msg["MATH_IS_POSITIVE"] = "pozitif";
-Blockly.Msg["MATH_IS_PRIME"] = "asal";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Bir sayının çift, tek, asal, bütün, pozitif, negatif veya belirli bir sayıya bölünebilir olup olmadığını kontrol edin. True veya false değerini döndürür.";
-Blockly.Msg["MATH_IS_WHOLE"] = "bütün";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://tr.wikipedia.org/wiki/Modulo_işlemi";
-Blockly.Msg["MATH_MODULO_TITLE"] = "%1 ÷ %2 geri kalan kısım";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Kalanı iki sayıyı bölmekten döndürün.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "x";
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://tr.wikipedia.org/wiki/Sayı";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Sayı.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "liste ortalaması";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "maksimum liste";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "listenin medyanı";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "listenin en küçüğü";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "liste modları";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "listenin rastgele öğesi";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "listenin standart sapması";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "listenin toplamı";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Listedeki sayısal değerlerin ortalamasını (aritmetik ortalama) döndürün.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Listedeki en büyük sayıyı döndürün.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Listeden ortanca numarayı döndürün.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Listedeki en küçük sayıyı döndür.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Listedeki en yaygın öğenin bir listesini döndürür.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Listeden rastgele bir öğe döndürün.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Listenin standart sapmasını döndürün.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Listedeki tüm sayıların toplamını döndürün.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "üst alma";
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://tr.wikipedia.org/wiki/Rastgele_sayı_üretimi";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "rastgele kesir";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "0.0 (dahil) ve 1.0 (hariç) arasında rastgele bir kesir döndürün.";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://tr.wikipedia.org/wiki/Rastgele_sayı_üretimi";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "%1 ile %2 rastgele tam sayı üretin";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Belirtilen iki sınır arasında rastgele bir tamsayı döndürün.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://tr.wikipedia.org/wiki/Yuvarlatma";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "yuvarla";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "aşağı yuvarla";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "yukarı yuvarla";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Bir sayıyı yukarı veya aşağı yuvarlayın.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://tr.wikipedia.org/wiki/Karekök";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "kesin";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "kare kök";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Bir sayının mutlak değerini döndürür.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "E'yi bir sayının gücüne döndür.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Bir sayının doğal logaritmasını döndür.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Bir sayının 10 logaritmasını geri döndür.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Bir sayının reddini döndür.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "10'u sayının gücüne döndür.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Bir sayının karekökünü döndürür.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "tire";
-Blockly.Msg["MATH_TRIG_ACOS"] = "akosünüs";
-Blockly.Msg["MATH_TRIG_ASIN"] = "asinüs";
-Blockly.Msg["MATH_TRIG_ATAN"] = "atanjant";
-Blockly.Msg["MATH_TRIG_COS"] = "kosünüs";
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://tr.wikipedia.org/wiki/Trigonometrik_fonksiyonlar";
-Blockly.Msg["MATH_TRIG_SIN"] = "Sinüs";
-Blockly.Msg["MATH_TRIG_TAN"] = "tanjant";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Bir sayının arkosinini döndürün.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Bir sayının ark sinüsünü döndürün.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Bir sayının arktanjantını döndürün.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Bir derecenin kosinüsünü döndürün (radyan değil).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Sinüsü bir derece döndürün (radyan değil).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Bir derecenin tanjantını döndürün (radyan değil).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Renk değişkeni oluştur...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Sayı değişkeni oluştur...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Dizi değişkeni oluştur...";
-Blockly.Msg["NEW_VARIABLE"] = "Değişken oluştur...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Yeni değişken ismi:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Yeni değişken tipi:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "ifadelere izin ver";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "ile:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://tr.wikipedia.org/wiki/Alt_program";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Kullanıcı tanımlı '%1' işlevini çalıştırın.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://tr.wikipedia.org/wiki/Alt_program";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Kullanıcı tanımlı '%1' işlevini çalıştırın ve çıkışını kullanın.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "ile:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "'%1' oluştur";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Bu işlevi açıklayın...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "bir şey yap";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "e";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Çıkışı olmayan bir işlev oluşturur.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "dönüş";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Çıkışa sahip bir işlev oluşturur.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Uyarı: Bu işlev yinelenen parametrelere sahiptir.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Vurgulama işlevi tanımı";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Bir değer true ise, ikinci bir değer döndürün.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Uyarı: Bu blok yalnızca bir işlev tanımı içinde kullanılabilir.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "giriş adı:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "İşleve bir giriş ekleyin.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "girişler";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Bu işleve giriş ekleyin, kaldırın veya yeniden sıralayın.";
-Blockly.Msg["REDO"] = "Yinele";
-Blockly.Msg["REMOVE_COMMENT"] = "Yorumu Sil";
-Blockly.Msg["RENAME_VARIABLE"] = "Değişkeni yeniden adlandır...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Tüm '%1' değişkenini yeniden adlandır:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "%1 için %2 metnini ekle.";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "'%1' değişkenine bir metin ekleyin.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "küçük harfe";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "Başlık Vakasına";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "ÜST DURUMA";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Metnin bir kopyasını farklı bir durumda döndürün.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "ilk harfini al";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "# sona harfleri al";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "# harfini al";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "son harfi al";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "rastgele harf al";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "%1 içinde %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Belirtilen konumdaki harfi döndürür.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "%1 içinde %2 say.";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Bazı metnin başka bir metnin içinde kaç kez oluştuğunu sayın.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Metne bir öğe ekleyin.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "katıl";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Bu metin bloğunu yeniden yapılandırmak için bölüm ekleyin, kaldırın veya yeniden sıralayın.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "en başından # harfi";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "# harfe";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "son harfe";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "metinde";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "ilk harfinden alt dize al";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "# harfinden alt dize al";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "# harfinden alt dize al";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Metnin belirli bir bölümünü döndürür.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "metnin ilk oluşumunu bul";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "metnin son tekrarlamasını bul";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "%1 metni içinde %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "İkinci metindeki ilk metnin ilk/son oluşumunun dizinini döndürür. Metin bulunmazsa %1 değerini döndürür.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 boş";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Sağlanan metin boşsa true değerini döndürür.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "ile metin oluştur";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "İstediğiniz sayıda öğeyi birleştirerek bir metin parçası oluşturun.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1 uzunluğu";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Sağlanan metindeki harflerin (boşluklar dahil) sayısını döndürür.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "%1 yaz";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Belirtilen metni, sayıyı veya başka bir değeri yazdırın.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Bir numara için kullanıcı sor.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Bazı metinler için kullanıcı sor.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "mesaj içeren numara istemi";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "mesaj içeren metin istemi";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "%1 yerine %3 içindeki %2 ile değiştir";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Bazı metnin tüm tekrarlarını başka bir metnin içinde değiştirin.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "%1 ters çevirin";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Metindeki karakterlerin sırasını tersine çevirir.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://tr.wikipedia.org/wiki/Dize_(bilgisayar_bilimi)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Bir harf, kelime veya metin satırı.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "her iki tarafından da kırpın";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "sol tarafındaki boşlukları kırpın";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "sağ tarafındaki boşlukları kırp";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Bir veya her iki uçtan boşluklar kaldırılmış olarak metnin bir kopyasını döndürün.";
-Blockly.Msg["TODAY"] = "Bugün";
-Blockly.Msg["UNDO"] = "Geri al";
-Blockly.Msg["UNNAMED_KEY"] = "isimsiz";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "öge";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "'set %1' oluştur";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Bu değişkenin değerini döndürür.";
-Blockly.Msg["VARIABLES_SET"] = "%1 %2 ayarla";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "'get %1' oluştur";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Bu değişkeni girişe eşit olacak şekilde ayarlar.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "'%1' isimli değişken adı zaten var.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "'%1' isimli değişken '%2' tipli başka bir değişkende tanımlı.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Çalışma Alanı";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Bir şeyler söyle...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/ug-arab.js b/msg/js/ug-arab.js
deleted file mode 100644
index 203e8d7e657..00000000000
--- a/msg/js/ug-arab.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "ئىزاھات قوشۇش";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "قىممەت ئۆزگەرتىش:";
-Blockly.Msg["CLEAN_UP"] = "بۆلەكنى رەتلەش";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "قاتلىنىش بۆلىكى";
-Blockly.Msg["COLLAPSE_BLOCK"] = "قاتلىنىش بۆلىكى";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "رەڭ 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "رەڭ 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "نىسبەت";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "ئارىلاش";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Blends two colours together with a given ratio (0.0 - 1.0).";  // untranslated
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://zh.wikipedia.org/wiki/رەڭگى";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = " تاختىدىن رەڭنى تاللاڭ";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "خالىغان رەڭ";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "ئىختىيارىي بىر رەڭنى تاللاڭ";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "كۆك";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "يېشىل";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "قىزىل";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "رەڭگى";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Create a colour with the specified amount of red, green, and blue. All values must be between 0 and 100.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "ئۈزۈلۈپ ئايلىنىش";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = " كىيىنكى قېتىم داۋاملىق ئايلىنىشن";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "ئۇنىڭ دەۋرىي ئۈزۈلۈش ئۆز ئىچىگە ئالىدۇ .";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "بۇ ئايلىنىشنىڭ قالغان قىسمى ئاتلاپ ئۆتۈپ كېتىدۇ ، ھەمدە داۋاملىق كېلەر قېتىملىق ئىتېراتسىيە .";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "ئاگاھلاندۇرۇش : بۇ پەقەت بىر ئايلىنىش دەۋرى ئىچىدە ئىشلىتىشكە بولىدۇ .";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "for each item %1 in list %2";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For each item in a list, set the variable '%1' to the item, and then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "count with %1 from %2 to %3 by %4";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Have the variable '%1' take on the values from the start number to the end number, counting by the specified interval, and do the specified blocks.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "بۇ بىلمەيمىز جۈملە بۆلىكى قوشۇلۇپ بىر if شەرتى .";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "ئەڭ ئاخىرقى قوشۇش ، ھەممە ئەھۋالنى ئۆز ئىچىگە ئالىدۇ بايرىمىدا بىلمەيمىز ifپارچىلىرى .";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "كۆپۈيۈپ كىتىدۇ، ئۆچۈرۈش ياكى قايتا تىزىلغان بايرام « if （ سۆزىنىڭ پارچە قايتىدىن تەقسىملەش .";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "ئۇنداق بولمىسا";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "ئۇنداق بولمىسا ئەگەر";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "ئەگەر";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "ئەگەر قىممىتى ھەقىقەتەن ، بەزى جۈملە .";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "ئەگەر قىممىتى ھەقىقەتەن ، ئۇنداقتا نىڭ بىر جۈملە . ئۇنداق بولمايدىكەن، ئىككىنچى جۈملىسى ئىجرا قىلىندى .";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "ئەگەر تۇنجى قىممىتى ھەقىقەتەن ، ئۇنداقتا نىڭ بىر جۈملە . ئۇنداق بولمايدىكەن، ئەگەر ئىككىنچى قىممىتى ، ئۇنداقتا ئىككىنچى پارچىنىڭ جۈملە .";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "ئەگەر تۇنجى قىممىتى ھەقىقەتەن ، ئۇنداقتا نىڭ بىر جۈملە . ئۇنداق بولمايدىكەن، ئەگەر ئىككىنچى قىممىتى ، بولسا ئىجرا قىلىش جۈملىسى ئىشككى پارچە . ئەگەر قىممىتى يوق ، ئۇنداقتا ئەڭ ئاخىرقى بىر جۈملىسى .";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://zh.wikipedia.org/wiki/Forئايلىنىش";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "ئىجرا";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "تەكرار %1قېتىم";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Do some statements several times.";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "تەكرارلىقى";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "تەكرار بولۇش";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "While a value is false, then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "While a value is true, then do some statements.";  // untranslated
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "ھەممىنى ئۆچۈرۈش %1 پارچىمۇ؟";
-Blockly.Msg["DELETE_BLOCK"] = "بۆلەك ئۆچۈرۈش";
-Blockly.Msg["DELETE_VARIABLE"] = "“%1” ئۆزگەرگۈچى مىقدارنى ئۆچۈرۈش";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "ئۆچۈرۈش “%2” ئۆزگەرگۈچى مىقدار%1 ئىشلىتىلىش ئورنى بارمۇ؟";
-Blockly.Msg["DELETE_X_BLOCKS"] = "بۆلەك %1 نى ئۆچۈرۈش";
-Blockly.Msg["DISABLE_BLOCK"] = "چەكلەنگەن بۆلەك";
-Blockly.Msg["DUPLICATE_BLOCK"] = "كۆچۈرۈش";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Duplicate Comment";  // untranslated
-Blockly.Msg["ENABLE_BLOCK"] = "قوزغىتىلغان بۆلەك";
-Blockly.Msg["EXPAND_ALL"] = "ئېچىلىش بۆلىكى";
-Blockly.Msg["EXPAND_BLOCK"] = "ئېچىلىش بۆلىكى";
-Blockly.Msg["EXTERNAL_INPUTS"] = "سىرتقى كىرگۈزۈش";
-Blockly.Msg["HELP"] = "ياردەم";
-Blockly.Msg["INLINE_INPUTS"] = "تاق قۇرلۇق كىرگۈزۈش";
-Blockly.Msg["IOS_CANCEL"] = "ۋاز كەچ";
-Blockly.Msg["IOS_ERROR"] = "خاتالىق";
-Blockly.Msg["IOS_OK"] = "ماقۇل";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ كىرگۈزۈپ قوشۇش";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "كېلىشىمگە قوشۇلۇش";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "بۇنىڭدا مەزمۇننى قايتا كىرگۈزۈش ئىقتىدارى بار .";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "كىرگۈزۈش";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "قوشۇش";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ ئۆزگەرگۈچى مىقدار قوشۇش";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "ئۆچۈرۈش";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "سىز ئۆزگەرگۈچى مىقدار نامى ئىشلىتىشكە بولمايدۇ .";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "ئىسىم ئۆزگەرتىش";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "ئۆزگەرگۈچى مىقدارنىڭ نامى";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "list";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "تۇنجى";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# from end";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "قولغا كەلتۈرۈش";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "ئاخىرقى";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "خالىغانچە";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "چىقىرىۋىتىش";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "in list";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "as";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "قىستۇرۇڭ";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "تەڭشەك";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "يۇقىرىغا";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "تۆۋەنگە";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "ھەرب بويىچە تىزىل، چوڭ كىچىك يېزىلىش ھېساپ قىلىنمايدۇ";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "سان بويىچە تىزىل";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = " ھەرپ بويىچە تىزىل";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "يالغان";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "راست ياكى يالغان قايتىش";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "ھەقىقىي";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://zh.wikipedia.org/wiki/ تەڭ ئەمەس";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "ئەگەر ئىككى دانە كىرگۈزۈش نەتىجىسى تەڭ بولسا ، راستىنلا كەينىگە قايتسا.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "ئەگەر تۇنجى كىرگۈزۈش نەتىجىسى ئىشككىنچى چوڭ بولسا راستىنلا كەينىگە قايتسا .";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "ئەگەر تۇنجى كىرگۈزۈش نەتىجىدە ئىشككىنچى كىچىك بولسا راستىنلا كەينىگە قايتسا .";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "ئەگەر تۇنجى كىرگۈزۈش نەتىجىدە ئىشككىنچى كىچىك بولسا راستىنلا كەينىگە قايتسا .";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "ئەگەر تۇنجى كىرگۈزۈش نەتىجىسى ئىككىنچى كىرگۈزۈش نەتىجىسى تىن تۆۋەن ياكى شۇنىڭغا تەڭ بولسا راستىنلا كەينىگە قايتسا .";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "ئەگەر ئىككى دانە كىرگۈزۈش نەتىجىسى تەڭ بولمايدۇ ، بەك كەلدى .";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "ئەمەس%1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
-Blockly.Msg["LOGIC_NULL"] = "قۇرۇق";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = " نۆلگە قايتىش";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "ۋە";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ياكى";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "سىناق";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "ئەگەر يالغان بولسا";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "ئەگەر راست بولسا";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://zh.wikipedia.org/wiki/ئارىفمېتىكىلىق";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Return the sum of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://zh.wikipedia.org/wiقوشۇش";
-Blockly.Msg["MATH_CHANGE_TITLE"] = " ئۆزگەرتىش %1 دىن %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://zh.wikipedia.org/wiki/ماتېماتىكا تۇراقلىق سانى";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "پۈتۈن بۆلۈنۈش";
-Blockly.Msg["MATH_IS_EVEN"] = "جۈپ سان";
-Blockly.Msg["MATH_IS_NEGATIVE"] = " مەنپى";
-Blockly.Msg["MATH_IS_ODD"] = " تاق سان";
-Blockly.Msg["MATH_IS_POSITIVE"] = "مۇسبەت";
-Blockly.Msg["MATH_IS_PRIME"] = "تۈپ سان";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "پۈتۈن سان";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://zh.wikipedia.org/wiki/مودېل ھېسابى";
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://zh.wikipedia.org/wiki/سان";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "بىر سان.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "جەدۋەل ئىچىدىكى ئوتتۇرىچە سان";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = " جەدۋەلدىكى ئەڭ چوڭ قىممەت";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "جەدۋەلدىكى ئوتتۇرا سان";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "جەدۋەل ئىچىدىكى ئەڭ كىچىك قىممەت";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = " جەدۋەل ھالىتى";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "sum of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = " جەدۋەلدىكى ئوتتۇرا سانغا قايتىش";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = " جەدۋەلدىكى ئەڭ كىچىك سانغا قايتىش";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://zh.wikipedia.org/wiki/سانلىق قىممەت تۈزىتىش";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "تۆۋەنگە تارتىڭ";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "تۆۋەنگە تارتىڭ";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = " تۆۋەنگە تارتىڭ";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://zh.wikipedia.org/wiki/كۋادرات يىلتىز";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "مۇتلەق";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = " كۋادرات يىلتىز";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";  // untranslated
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://zh.wikipedia.org/wiki/ترىگونومېتىرىيىلىك فۇنكسىيە";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "ئۆزگەرگۈچى مىقدار ... قۇرۇش";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "يېڭى ئۆزگەرگۈچى مىقدار نامى:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "do something";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "to";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "return";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "قايتىلاش";
-Blockly.Msg["REMOVE_COMMENT"] = "ئىزاھاتنى ئۆچۈرۈش";
-Blockly.Msg["RENAME_VARIABLE"] = "ئۆزگەرگۈچى مىقدارغا قايتا نام قويۇش";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "بارلىق بۆلەك “%1\" ئۆزگەرگۈچى مىقدار قايتا ناملىنىپ :";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "   قوشۇش";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "print %1";  // untranslated
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "بۈگۈن";
-Blockly.Msg["UNDO"] = "يېنىۋال";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "تۈر";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "ئىسم مەۋجۇت “%1” ئۆزگەرگۈچى";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "ئىسىملىك“%1” ئۆزگەرگۈچى مىقدار مەۋجۇت بولۇپ تۇرىدۇ ، لېكىن يەنە بىر ئۆزگەرگۈچى مىقدار تىپى بولۇش سۈپىتى بىلەن “%2” مەۋجۇت .";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/uk.js b/msg/js/uk.js
deleted file mode 100644
index 2a2e151e9ba..00000000000
--- a/msg/js/uk.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Додати коментар";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Неможливо видалити змінну '%1', тому що це частина визначення функції '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Змінити значення:";
-Blockly.Msg["CLEAN_UP"] = "Очистити блоки";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Звернуті блоки містять попередження.";
-Blockly.Msg["COLLAPSE_ALL"] = "Згорнути блоки";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Згорнути блок";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "колір 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "колір 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "http://meyerweb.com/eric/tools/color-blend/";
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "співвідношення";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "змішати";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Змішує два кольори разом у вказаному співвідношені (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://uk.wikipedia.org/wiki/Колір";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Вибрати колір з палітри.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "випадковий колір";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Вибрати колір навмання.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "синій";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "зелений";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "http://www.december.com/html/spec/colorper.html";
-Blockly.Msg["COLOUR_RGB_RED"] = "червоний";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "колір з";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Створити колір зі вказаними рівнями червоного, зеленого та синього. Усі значення мають бути від 0 до 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "перервати цикл";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "продовжити з наступної ітерації циклу";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Перервати виконання циклу.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Пропустити залишок цього циклу і перейти до виконання наступної ітерації.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Попередження: цей блок може бути використаний тільки в межах циклу.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "для кожного елемента %1 у списку %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Для кожного елемента в списку змінна '%1' отримує значення елемента, а потім виконуються певні дії.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "рахувати з %1 від %2 до %3 через %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Наявна змінна \"%1\" набуває значень від початкового до кінцевого, враховуючи заданий інтервал, і виконуються вказані блоки.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Додайте умову до блока 'якщо'.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Додати остаточну, всеосяжну умову до блоку 'якщо'.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Додайте, вилучіть або змініть порядок секцій, щоб переналаштувати цей блок 'якщо'.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "інакше";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "інакше якщо";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "якщо";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Якщо значення істинне, то виконати певні дії.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Якщо значення істинне, то виконується перший блок операторів. В іншому випадку виконується другий блок операторів.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Якщо перше значення істинне, то виконується перший блок операторів. В іншому випадку, якщо друге значення істина, то виконується другий блок операторів.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Якщо перше значення істинне, то виконується перший блок операторів. В іншому випадку, якщо друге значення істинне, то виконується другий блок операторів. Якщо жодне із значень не є істинним, то виконується останній блок операторів.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://uk.wikipedia.org/wiki/Цикл_(програмування)#.D0.A6.D0.B8.D0.BA.D0.BB_.D0.B7_.D0.BB.D1.96.D1.87.D0.B8.D0.BB.D1.8C.D0.BD.D0.B8.D0.BA.D0.BE.D0.BC";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "виконати";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "повторити %1 разів";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Виконати певні дії декілька разів.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "повторювати, доки не";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "повторювати поки";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Поки значення хибне, виконувати певні дії.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Поки значення істинне, виконувати певні дії.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Вилучити всі блоки %1?";
-Blockly.Msg["DELETE_BLOCK"] = "Видалити блок";
-Blockly.Msg["DELETE_VARIABLE"] = "Вилучити змінну '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Вилучити %1 використання змінної '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Видалити %1 блоків";
-Blockly.Msg["DISABLE_BLOCK"] = "Вимкнути блок";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Дублювати";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Дублювати примітку";
-Blockly.Msg["ENABLE_BLOCK"] = "Увімкнути блок";
-Blockly.Msg["EXPAND_ALL"] = "Розгорнути блоки";
-Blockly.Msg["EXPAND_BLOCK"] = "Розгорнути блок";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Зовнішні входи";
-Blockly.Msg["HELP"] = "Довідка";
-Blockly.Msg["INLINE_INPUTS"] = "Вбудовані входи";
-Blockly.Msg["IOS_CANCEL"] = "Скасувати";
-Blockly.Msg["IOS_ERROR"] = "Помилка";
-Blockly.Msg["IOS_OK"] = "Готово";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Додати вхідну змінну";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Дозволити оператори";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "У цієї функції є вхідні змінні, що дублюються.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "ВХОДИ";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Додати";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Додати змінну";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Видалити";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Ви не можете використовувати порожню назву змінної.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Перейменувати";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Назва змінної";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "створити порожній список";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Повертає список, довжиною 0, що не містить записів даних";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "список";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Додайте, вилучіть або змініть порядок секцій для переналаштування блока списку.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "створити список з";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Додати елемент до списку.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Створює список з будь-якою кількістю елементів.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "перший";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# з кінця";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "отримати";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "отримати і вилучити";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "останній";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "випадковий";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "вилучити";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "-ий.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Повертає перший елемент списку.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Повертає елемент у заданій позиції у списку.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Повертає останній елемент списку.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Повертає випадковий елемент списку.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Видаляє і повертає перший елемент списку.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Видаляє і повертає елемент у заданій позиції у списку.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Видаляє і повертає останній елемент списку.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Видаляє і повертає випадковий елемент списоку.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Вилучає перший елемент списку.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Вилучає зі списку елемент у вказаній позиції.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Вилучає останній елемент списку.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Вилучає випадковий елемент списку.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "до # з кінця";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "до #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "до останнього";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "отримати вкладений список з першого";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "отримати вкладений список від # з кінця";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "отримати вкладений список з #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "символу.";
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Створює копію вказаної частини списку.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 - це останній елемент.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 - це перший елемент.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "знайти перше входження елемента";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "знайти останнє входження елемента";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Повертає індекс першого/останнього входження елемента у списку. Повертає %1, якщо елемент не знайдено.";
-Blockly.Msg["LISTS_INLIST"] = "у списку";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 є порожнім";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Повертає істину, якщо список порожній.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "довжина %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Повертає довжину списку.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "створити список з елемента %1 повтореного %2 разів";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Створює список, що складається з заданого значення повтореного задану кількість разів.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "розвернути %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Змінити порядок копії списку на зворотний.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "як";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "вставити в";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "встановити";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Вставляє елемент на початок списку.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Вставка елемента у вказану позицію списку.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Додає елемент у кінці списку.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Випадковим чином вставляє елемент у список.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Задає перший елемент списку.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Задає елемент списку у вказаній позиції.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Задає останній елемент списку.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Задає випадковий елемент у списку.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "за зростанням";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "за спаданням";
-Blockly.Msg["LISTS_SORT_TITLE"] = "сортувати %3 %1 %2";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Сортувати копію списку.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "за абеткою, ігноруючи регістр";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "як числа";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "за абеткою";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "зробити з тексту список";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "зробити зі списку текст";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Злити список текстів у єдиний текст, відокремивши розділювачами.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Поділити текст на список текстів, розриваючи на кожному розділювачі.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "з розділювачем";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "хибність";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Повертає значення істина або хибність.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "істина";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://uk.wikipedia.org/wiki/Нерівність";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Повертає істину, якщо обидва входи рівні один одному.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Повертає істину, якщо перше вхідне значення більше, ніж друге.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Повертає істину, якщо перше вхідне значення більше або дорівнює другому.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Повертає істину, якщо перше вхідне значення менше, ніж друге.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Повертає істину, якщо перше вхідне значення менше або дорівнює другому.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Повертає істину, якщо обидва входи не дорівнюють один одному.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "не %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Повертає істину, якщо вхідне значення хибне. Повертає хибність, якщо вхідне значення істинне.";
-Blockly.Msg["LOGIC_NULL"] = "ніщо";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Повертає ніщо.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "та";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "або";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Повертає істину, якщо обидва входи істинні.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Повертає істину, якщо принаймні один з входів істинний.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "тест";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "якщо хибність";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "якщо істина";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Перевіряє умову в 'тест'. Якщо умова істинна, то повертає  значення 'якщо істина'; в іншому випадку повертає значення 'якщо хибність'.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://uk.wikipedia.org/wiki/Арифметика";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Повертає суму двох чисел.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Повертає частку двох чисел.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Повертає різницю двох чисел.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Повертає добуток двох чисел.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Повертає перше число, піднесене до степеня, вираженого другим числом.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 по X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Повертає арктангенс точки (X, Y) у градусах від -180 до 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "змінити %1 на %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Додати число до змінної '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://uk.wikipedia.org/wiki/Математична_константа";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Повертає одну з поширених констант: π (3.141...), e (2.718...), φ (1,618...), sqrt(2) (1.414...), sqrt(½) (0.707...) або ∞ (нескінченність).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "обмежити %1 від %2 до %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Обмежує число вказаними межами (включно).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "ділиться на";
-Blockly.Msg["MATH_IS_EVEN"] = "парне";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "від'ємне";
-Blockly.Msg["MATH_IS_ODD"] = "непарне";
-Blockly.Msg["MATH_IS_POSITIVE"] = "додатне";
-Blockly.Msg["MATH_IS_PRIME"] = "просте";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Перевіряє, чи число парне, непарне, просте, ціле, додатне, від'ємне або чи воно ділиться на певне число без остачі. Повертає істину або хибність.";
-Blockly.Msg["MATH_IS_WHOLE"] = "ціле";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://uk.wikipedia.org/wiki/Ділення_з_остачею";
-Blockly.Msg["MATH_MODULO_TITLE"] = "остача від %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Повертає остачу від ділення двох чисел.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://uk.wikipedia.org/wiki/Число";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Число.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "http://www.mapleprimes.com/questions/100441-Applying-Function-To-List-Of-Numbers";
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "середнє списку";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "максимум списку";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "медіана списку";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "мінімум списку";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "моди списку";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "випадковий елемент списку";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "стандартне відхилення списку";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "сума списку";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Повертає середнє (арифметичне) числових значень у списку.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Повертає найбільше число у списку.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Повертає медіану списку.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Повертає найменше число у списку.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Повертає перелік найпоширеніших елементів у списку.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Повертає випадковий елемент зі списку.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Повертає стандартне відхилення списку.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Повертає суму всіх чисел у списку.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://uk.wikipedia.org/wiki/Генерація_випадкових_чисел";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "випадковий дріб";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Повертає випадковий дріб від 0,0 (включно) та 1.0 (не включно).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://uk.wikipedia.org/wiki/Генерація_випадкових_чисел";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "випадкове ціле число від %1 до %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Повертає випадкове ціле число між двома заданими межами включно.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://uk.wikipedia.org/wiki/Округлення";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "округлити";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "округлити до меншого";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "округлити до більшого";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Округлення числа до більшого або до меншого.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://uk.wikipedia.org/wiki/Квадратний_корінь";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "модуль";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "квадратний корінь";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Повертає модуль числа.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Повертає e у степені.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Повертає натуральний логарифм числа.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Повертає десятковий логарифм числа.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Повертає протилежне число.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Повертає 10 у степені.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Повертає квадратний корінь з числа.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://uk.wikipedia.org/wiki/Тригонометричні_функції";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Повертає арккосинус числа.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Повертає арксинус числа.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Повертає арктангенс числа.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Повертає косинус кута в градусах (не в радіанах).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Повертає синус кута в градусах (не в радіанах).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Повертає тангенс кута в градусах (не в радіанах).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Створити колірну змінну...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Створити числову змінну...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Створити рядкову змінну...";
-Blockly.Msg["NEW_VARIABLE"] = "Створити змінну...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Нова назва змінної:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Тип нової змінної:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "-ий.";
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "дозволити дії";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "з:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://uk.wikipedia.org/wiki/Підпрограма";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Запустити користувацьку функцію \"%1\".";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://uk.wikipedia.org/wiki/Підпрограма";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Запустити користувацьку функцію \"%1\" і використати її вивід.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "з:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Створити \"%1\"";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Опишіть цю функцію...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "блок тексту";
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://uk.wikipedia.org/wiki/Підпрограма";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "щось зробити";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "до";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Створює функцію без виводу.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://uk.wikipedia.org/wiki/Підпрограма";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "повернути";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Створює функцію з виводом.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Увага: ця функція має дубльовані параметри.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Підсвітити визначення функції";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Якщо значення істинне, то повернути друге значення.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Попередження: цей блок може використовуватися лише в межах визначення функції.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "назва входу:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Додати до функції вхідні параметри.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "входи";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Додайте, вилучіть або змініть порядок вхідних параметрів для цієї функції.";
-Blockly.Msg["REDO"] = "Повторити";
-Blockly.Msg["REMOVE_COMMENT"] = "Видалити коментар";
-Blockly.Msg["RENAME_VARIABLE"] = "Перейменувати змінну...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Перейменувати усі змінні \"%1\" до:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "до %1 додати текст %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Додати деякий текст до змінної '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "до нижнього регістру";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "Великі Перші Букви";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "до ВЕРХНЬОГО регістру";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "В іншому випадку повертає копію тексту.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "отримати перший символ";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "отримати символ # з кінця";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "отримати символ #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm";
-Blockly.Msg["TEXT_CHARAT_LAST"] = "отримати останній символ";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "отримати випадковий символ";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "-ий.";
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "з тексту %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Повертає символ у зазначеній позиції.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "кількість %1 в %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Підраховує, скільки разів деякий текст з'являється в іншому тексті.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Додати елемент до тексту.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "приєднати";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Додайте, вилучіть або змініть порядок секцій для переналаштування текстового блоку.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "до символу # з кінця";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "до символу #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "до останнього символу";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "у тексті";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "отримати підрядок від першого символу";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "отримати підрядок від символу # з кінця";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "отримати підрядок від символу #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "-ого.";
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Повертає заданий фрагмент тексту.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "знайти перше входження тексту";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "знайти останнє входження тексту";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "у тексті %1 %2 %3.";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Повертає індекс першого/останнього входження першого тексту в другий. Повертає %1, якщо текст не знайдено.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 є порожнім";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Повертає істину, якщо вказаний текст порожній.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "http://www.chemie.fu-berlin.de/chemnet/use/info/make/make_8.html";
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "створити текст з";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Створити фрагмент тексту шляхом з'єднування будь-якого числа елементів.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "довжина %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Повертає число символів (включно з пропусками) у даному тексті.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "друк %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Надрукувати заданий текст, числа або інші значення.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Запитати у користувача число.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Запитати у користувача деякий текст.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "запит числа з повідомленням";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "запит тексту з повідомленням";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "замінити %1 на %2 в %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Замінює всі входження деякого тексту іншим текстом.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "розвернути %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Змінює на протилежний порядок символів у тексті.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://uk.wikipedia.org/wiki/Рядок_(програмування)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Символ, слово або рядок тексту.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "вилучити крайні пропуски з обох кінців";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "вилучити пропуски з лівого боку";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "вилучити пропуски з правого боку";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Повертає копію тексту з вилученими пропусками з одного або обох кінців.";
-Blockly.Msg["TODAY"] = "Сьогодні";
-Blockly.Msg["UNDO"] = "Скасувати";
-Blockly.Msg["UNNAMED_KEY"] = "без назви";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "елемент";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Створити 'встановити %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Повертає значення цієї змінної.";
-Blockly.Msg["VARIABLES_SET"] = "встановити %1 до %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Створити 'отримати %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Задає цю змінну рівною входу.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Змінна з назвою '%1' вже існує.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Змінна з назвою '%1' вже існує в іншому типі: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Робоча область Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Скажіть щось...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/ur.js b/msg/js/ur.js
deleted file mode 100644
index 0218c549d0e..00000000000
--- a/msg/js/ur.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "کمنٹ کریں";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "متغیر '٪ 1' کو حذف نہیں کر سکتا کیونکہ یہ فنکشن کی تعریف کا حصہ ہے '٪ 2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "ویلیو تبدیل کریں:";
-Blockly.Msg["CLEAN_UP"] = "بلاکس صاف کریں";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "بند کرو بلاکس";
-Blockly.Msg["COLLAPSE_BLOCK"] = "بند کرو بلاک";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "رنگ 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "رنگ 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "ریشیو";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "مرکب";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "دیئے گئے ریشیو میں دو رنگوں کو مرکب کریں (0.0-1.0)";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "پیلیٹ سے رنگ منتخب کریں";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "ناسیدھا رنگ";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "کسی بھی رنگ کو منتجب کریں";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "نیلا";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "سبز";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "سرخ";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "کے ساتھ رنگ";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "مخصوص، سرخ، سبز اور نیلے رنگ کے ساتھ ایک رنگ بنائیں. تمام اقدار 0 اور 100 کے درمیان ہونا ضروری ہے.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "لوپ سے باہر نکلنا";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "continue with next iteration of loop";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "مشتمل لوپ کے باہر توڑ.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "انتباہ: اس بلاک کو صرف لوپ میں استعمال کیا جاسکتا ہے۔";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "प्रत्येक چیز کیلئے %1 فہرست ميں %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "فہرست میں ہر آئٹم کے لئے، '%1' متغیر کو آئٹم پہ لگائے،اور پھر کچھ جملے کہے";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "%1 سے %2 سے %3 تک %4 کے ساتھ گنتی کریں";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "کیا چر '%1' ابتدا عدد سے اختتام عدد تک मानों کو لیتا ہے، निर्दिष्ट अंतराल کے تحت گنتی کرتا ہے، اور निर्दिष्ट रुकावटों کو کرتا ہے۔";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Add a condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "دوسراں";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "دوسراں اگر";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "اگر";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "اگر ایک ویلیو صحیح ہے، تو کچھ سٹیٹمنٹ کریں";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "کریں";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 مرتبہ دہرائے";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "کچھ جملوں کو کہیں مرتبہ کریں۔";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "تک دہرائے";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "کے دوران دہرائے";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "اگر ایک ویلیو صحیح ہے، تو کچھ سٹیٹمنٹ کریں";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "اگر ایک ویلیو صحیح ہے، تو کچھ سٹیٹمنٹ کریں";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "تمام%1 بلاکس کو حذف کریں؟";
-Blockly.Msg["DELETE_BLOCK"] = "حذف بلاک";
-Blockly.Msg["DELETE_VARIABLE"] = "'٪ 1' متغیر کو حذف کریں";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "'٪ 2' متغیر کے٪ 1 استعمال کو حذف کریں؟";
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 بلاکوں کو حذف کریں";
-Blockly.Msg["DISABLE_BLOCK"] = "بلاک کو غیرفعال کریں";
-Blockly.Msg["DUPLICATE_BLOCK"] = "ڈپلیکیٹ";
-Blockly.Msg["DUPLICATE_COMMENT"] = " ہو بہو  تبصرہ";
-Blockly.Msg["ENABLE_BLOCK"] = "بلاک کو فعال کریں";
-Blockly.Msg["EXPAND_ALL"] = "بلاکوں میں توسیع کریں";
-Blockly.Msg["EXPAND_BLOCK"] = "بلاک میں توسیع کریں";
-Blockly.Msg["EXTERNAL_INPUTS"] = "خارجی دخل اندازی";
-Blockly.Msg["HELP"] = "معاونت";
-Blockly.Msg["INLINE_INPUTS"] = "بین السطور داخل کریں";
-Blockly.Msg["IOS_CANCEL"] = "Cancel";  // untranslated
-Blockly.Msg["IOS_ERROR"] = "Error";  // untranslated
-Blockly.Msg["IOS_OK"] = "OK";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "INPUTS";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Add";  // untranslated
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Delete";  // untranslated
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Rename";  // untranslated
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "فہرست";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "کے ساتھ فہرست بنائیں";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "پہلا";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "آخر سے";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "حاصل کریں";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "آخری";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "غیرمتعین";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "حذف کریں";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "پہلے آئٹم کو فہرست میں لوٹائے";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "فہرست میں";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1 کی لمبائی";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "بطور";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "میں درج کریں";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "تعین کریں";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "فہرست میں پہلا آئٹم  کا تعین کریں";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "غلط";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Returns either true or false.";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "سچ";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Return true if both inputs equal each other.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "%1 نہیں";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
-Blockly.Msg["LOGIC_NULL"] = "null";  // untranslated
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Returns null.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_AND"] = "اور";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "یا";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "ٹیسٹ";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "اگر غلط ہے";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "اگ سچ ہے";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://en.wikipedia.org/wiki/Arithmetic";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Return the sum of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "change %1 by %2";  // untranslated
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "is divisible by";  // untranslated
-Blockly.Msg["MATH_IS_EVEN"] = "is even";  // untranslated
-Blockly.Msg["MATH_IS_NEGATIVE"] = "is negative";  // untranslated
-Blockly.Msg["MATH_IS_ODD"] = "is odd";  // untranslated
-Blockly.Msg["MATH_IS_POSITIVE"] = "is positive";  // untranslated
-Blockly.Msg["MATH_IS_PRIME"] = "is prime";  // untranslated
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "is whole";  // untranslated
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://en.wikipedia.org/wiki/Number";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "ایک نمبر.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "average of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "max of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "min of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "sum of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "round";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "round down";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "round up";  // untranslated
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "بالکل";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "اسکویر روٹ";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";  // untranslated
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";  // untranslated
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "رنگ متغیر بنائیں";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "عدد متغیر بناییں";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "متغیر بنائیں String";
-Blockly.Msg["NEW_VARIABLE"] = "متغیر بنائیں";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "نیا ویریابل نام:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = " نئی متغیر قسم";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "سمیت:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "سمیت:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "کچھ کرو";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "کو";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "بغیر آوٹ پٹ کا فنکشن بنائیں";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "واپس آ جائیں";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "بغیر آوٹ پٹ کا فنکشن بنائیں";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "دہرائیں";
-Blockly.Msg["REMOVE_COMMENT"] = "تبصرہ حذف کریں";
-Blockly.Msg["RENAME_VARIABLE"] = "دوبار نام دیں ویریابل کو...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "تمام %1 متغیروں کو دوبارہ نام دے:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "# حرف حاصل کریں";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "join";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "print %1";  // untranslated
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "آج";
-Blockly.Msg["UNDO"] = "کیا ہوا کام کینسل کرے";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "آئٹم";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "ایک متغیر نام '٪ 1' پہلے سے ہی موجود ہے.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "ایک متغیر نام '٪ 1' کسی دوسرے قسم کے لئے پہلے ہی موجود ہے: '٪ 2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/vi.js b/msg/js/vi.js
deleted file mode 100644
index a38e73082cc..00000000000
--- a/msg/js/vi.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Thêm Chú Giải";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Không thể xóa giá trị '%1' vì nó được bao gồm trong định nghĩa của chức năng '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Thay giá trị thành:";
-Blockly.Msg["CLEAN_UP"] = "Sắp xếp lại các khối";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Các khối bị sập có chứa cảnh báo.";
-Blockly.Msg["COLLAPSE_ALL"] = "Thu Nhỏ Mọi Mảnh";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Thu Nhỏ Mảnh";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "màu 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "màu 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "tỉ lệ";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "pha";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Pha hai màu với nhau theo tỉ lệ (0 - 100).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://vi.wikipedia.org/wiki/M%C3%A0u_s%E1%BA%AFc";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Chọn một màu từ bảng màu.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "màu bất kỳ";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "chọn một màu bất kỳ.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "màu xanh dương";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "màu xanh lá cây";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "màu đỏ";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "tạo màu từ";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Tạo màu từ ba màu: đỏ, xanh lá cây, xanh dương với số lượng cụ thể.  Mỗi số phải có giá trị từ 0 đến 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "thoát";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "sang lần lặp tiếp theo";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Thoát khỏi vòng lặp hiện tại.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Bỏ qua phần còn lại trong vòng lặp này, và sang lần lặp tiếp theo.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Chú ý: Mảnh này chỉ có thế dùng trong các vòng lặp.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "với mỗi thành phần %1 trong danh sách %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Trong một danh sách, lấy từng thành phần, gán vào biến \"%1\", rồi thực hiện một số lệnh.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "đếm theo %1 từ %2 đến %3 mỗi lần thêm %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Cho biến '%1' lấy các giá trị từ số bắt đầu đến số kết thúc, đếm theo khoảng thời gian đã chỉ định và thực hiện các khối được chỉ định.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Thêm một điều kiện vào mảnh nếu.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Cuối cùng, khi không điều kiện nào đúng.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Thêm, bỏ, hoặc đổi thứ tự các mảnh con để tạo cấu trúc mới cho mảnh nếu.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "nếu không";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "nếu không nếu";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "nếu";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Nếu điều kiện đúng, thực hiện các lệnh.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Nếu điều kiện đúng, thực hiện các lệnh đầu.  Nếu sai, thực hiện các lệnh sau.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Nếu điều kiện đúng, thực hiện các lệnh đầu.  Nếu không, nếu điều kiện thứ hai đúng, thực hiện các lệnh thứ hai.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Nếu điều kiện đúng, thực hiện các lệnh đầu.  Nếu không, nếu điều kiện thứ hai đúng, thực hiện các lệnh thứ hai.  Nếu không điều kiện nào đúng, thực hiện các lệnh cuối cùng.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "thực hiện";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "lặp lại %1 lần";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Thực hiện các lệnh vài lần.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "lặp lại cho đến khi";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "lặp lại trong khi";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Miễn là điều kiện còn sai, thì thực hiện các lệnh.  Khi điều kiện đúng thì ngưng.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Miễn là điều kiện còn đúng, thì thực hiện các lệnh.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Xóa hết %1 mảnh?";
-Blockly.Msg["DELETE_BLOCK"] = "Xóa Mảnh Này";
-Blockly.Msg["DELETE_VARIABLE"] = "Xóa giá trị '%1'";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Xóa %1 lần dùng của giá trị '%2'?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Xóa %1 Mảnh";
-Blockly.Msg["DISABLE_BLOCK"] = "Ngưng Tác Dụng";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Tạo Bản Sao";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Bình luận trùng";
-Blockly.Msg["ENABLE_BLOCK"] = "Phục Hồi Tác Dụng";
-Blockly.Msg["EXPAND_ALL"] = "Mở Lớn Mọi Mảnh";
-Blockly.Msg["EXPAND_BLOCK"] = "Mở Lớn Mảnh";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Chỗ Gắn Bên Ngoài";
-Blockly.Msg["HELP"] = "Trợ Giúp";
-Blockly.Msg["INLINE_INPUTS"] = "Chỗ Gắn Cùng Dòng";
-Blockly.Msg["IOS_CANCEL"] = "Hủy bỏ";
-Blockly.Msg["IOS_ERROR"] = "Lỗi";
-Blockly.Msg["IOS_OK"] = "Đồng ý";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Thêm đầu vào";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Cho phép báo cáo";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Hàm này có chứa các input trùng nhau.";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "NHẬP VÀO";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Thêm";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Thêm biến";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Xóa";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "Bạn không thể không nhập tên biến.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Đổi tên";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Tên biến";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "tạo danh sách trống";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Hoàn trả một danh sách, với độ dài 0, không có thành tố nào cả";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "danh sách";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Thêm, bỏ, hoặc sắp xếp lại các thành phần để tạo dựng mảnh danh sách này.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "tạo danh sách gồm";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Thêm vật vào danh sách.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Tạo một danh sách bao gồm nhiều vậts, với một số lượng bất kỳ.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "đầu tiên";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "(đếm từ cuối) thứ";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "thứ";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "lấy thành tố";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "lấy và xóa thành tố";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "cuối cùng";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "bất kỳ";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "xóa thành tố";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Hoàn trả thành tố đầu tiên trong danh sách.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Hoàn trả thành tố trong danh sách ở vị trí ấn định.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Hoàn trả thành tố cuối cùng trong danh sách.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Hoàn trả một thành tố bất kỳ trong danh sách.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Hoàn trả và xóa thành tố đầu tiên trong danh sách.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Hoàn trả và xóa thành tố trong danh sách ở vị trí ấn định.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Hoàn trả và xóa thành tố cuối cùng trong danh sách.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Hoàn trả và xóa mộtthành tố bất kỳ trong danh sách.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Xóa thành tố đầu tiên trong danh sách.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Xóa thành tố trong danh sách ở vị trí ấn định.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Xóa thành tố cuối cùng trong danh sách.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Xóa thành tố bất kỳ trong danh sách.";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "đến (đếm từ cuối) thứ";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "đến thứ";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "đến cuối cùng";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "lấy một danh sách con từ đầu tiên";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "lấy một danh sách con từ (đếm từ cuối) từ vị trí thứ";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "lấy một danh sách con từ vị trí thứ";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Lấy một mảng của danh sách này để tạo danh sách con.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 là thành tố cuối cùng.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 là thành tố đầu tiên.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "tìm sự có mặt đầu tiên của vật";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "tìm sự có mặt cuối cùng của vật";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Hoàn trả vị trí xuất hiện đầu tiên/cuối cùng của vật trong danh sách. Nếu không tìm thấy thì hoàn trả số %1.";
-Blockly.Msg["LISTS_INLIST"] = "trong dánh sách";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 trống rỗng";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Hoàn trả “đúng\" nếu danh sách không có thành tử nào.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "độ dài của %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Hoàn trả độ dài của một danh sách.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "tạo danh sách gồm một vật %1 lặp lại %2 lần";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Tạo danh sách gồm một số lượng vật nhất định với mỗi vật đều giống nhau.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "đảo ngược %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Đảo ngược bản sao chép của một danh sách.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "giá trị";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "chèn vào vị trí";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "đặt";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Chèn vật vào đầu danh sách.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Chèn vật vào danh sách theo vị trí ấn định.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Gắn thêm vật vào cuối danh sách.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Gắn chèn vật vào danh sách ở vị trí ngẫu nhiên.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Đặt giá trị của thành tố đầu tiên trong danh sách.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Đặt giá trị của thành tố ở vị trí ấn định trong một danh sách.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Đặt giá trị của thành tố cuối cùng trong danh sách.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Đặt giá trị của thành tố ngẫu nhiên trong danh sách.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "tăng dần";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "giảm dần";
-Blockly.Msg["LISTS_SORT_TITLE"] = "sắp xếp %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sắp xếp một bản sao của một danh sách.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "chữ cái, không phân biệt hoa/thường";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "số";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "chữ cái";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "tạo danh sách từ văn bản";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "tạo văn bản từ danh sách";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Liên kết một danh sách các văn bản vào một văn bản, cách nhau bằng dấu phân cách.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Tách văn bản thành một danh sách các văn bản nhỏ, ngắt bởi các ký tự phân cách.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "với ký tự phân cách";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "sai";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Hoàn trả \"đúng\" hoặc \"sai\".";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "đúng";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://vi.wikipedia.org/wiki/B%E1%BA%A5t_%C4%91%E1%BA%B3ng_th%E1%BB%A9c";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Hoàn trả giá trị \"đúng\" (true) nếu giá trị hai đầu vào bằng nhau.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Hoàn trả giá trị \"đúng\" (true) nếu đầu vào thứ nhất lớn hơn đầu vào thứ hai.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Hoàn trả giá trị \"đúng\" (true) nếu đầu vào thứ nhất lớn hơn hoặc bằng đầu vào thứ hai.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Hoàn trả giá trị \"đúng\" (true) nếu đầu vào thứ nhất nhỏ hơn đầu vào thứ hai.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Hoàn trả giá trị \"đúng\" (true) nếu đầu vào thứ nhất nhỏ hơn hoặc bằng đầu vào thứ hai.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Hoàn trả giá trị \"đúng\" (true) nếu giá trị hai đầu vào không bằng nhau.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "không %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Hoàn trả \"đúng\" (true) nếu đầu vào sai.  Hoàn trả \"sai\" (false) nếu đầu vào đúng.";
-Blockly.Msg["LOGIC_NULL"] = "trống không";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Hoàn trả trống không.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "và";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "hoặc";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Hoàn trả \"đúng\" (true) nếu cả hai đầu vào đều đúng.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Hoàn trả \"đúng\" (true) nếu ít nhất một trong hai đầu vào đúng.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "kiểm tra";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "nếu sai";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "nếu đúng";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Kiểm tra điều kiện. Nếu điều kiện đúng, hoàn trả giá trị từ mệnh đề \"nếu đúng\" nếu không đúng, hoàn trả giá trị từ mệnh đề \"nếu sai\".";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://vi.wikipedia.org/wiki/S%E1%BB%91_h%E1%BB%8Dc";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Hoàn trả tổng của hai con số.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Hoàn trả thương của hai con số.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Hoàn trả hiệu của hai con số.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Hoàn trả tích của hai con số.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Hoàn trả số lũy thừa với số thứ nhất là cơ số và số thứ hai là số mũ.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 của X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Trả về arctangent của điểm (X, Y) trong khoảng từ -180 độ đến 180 độ.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://vi.wikipedia.org/wiki/Ph%C3%A9p_c%E1%BB%99ng";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "cộng vào %1 giá trị %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Cộng số đầu vào vào biến \"%1\".";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Hoàn trả các đẳng số thường gặp: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (vô cực).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "giới hạn %1 không dưới %2 không hơn %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Giới hạn số đầu vào để không dưới số thứ nhất và không hơn số thứ hai.";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "chia hết cho";
-Blockly.Msg["MATH_IS_EVEN"] = "là số chẵn";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "là số âm";
-Blockly.Msg["MATH_IS_ODD"] = "là số lẻ";
-Blockly.Msg["MATH_IS_POSITIVE"] = "là số dương";
-Blockly.Msg["MATH_IS_PRIME"] = "là số nguyên tố";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Kiểm tra con số xem nó có phải là số chẵn, lẻ, nguyên tố, nguyên, dương, âm,  hay xem nó có chia hết cho số đầu vào hay không.  Hoàn trả đúng hay sai.";
-Blockly.Msg["MATH_IS_WHOLE"] = "là số nguyên";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "số dư của %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Chia số thứ nhất cho số thứ hai rồi hoàn trả số dư từ.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://vi.wikipedia.org/wiki/S%E1%BB%91";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Một con số.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "giá trị trung bình của một danh sách";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "số lớn nhât của một danh sách";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "số trung vị của một danh sách";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "số nhỏ nhất của một danh sách";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "các mode của một danh sách";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "một số bất kỳ của một danh sách";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "độ lệch chuẩn của một danh sách";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "tổng của một danh sách";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Hoàn trả giá trị trung bình từ của danh sách số.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Hoàn trả số lớn nhất trong tất cả các số trong danh sách.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Hoàn trả số trung vị của danh sách số.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Hoàn trả số nhỏ nhất trong tất cả các số trong danh sách.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Hoàn trả các số có mặt nhiều nhất trong danh sách.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Hoàn trả một số bất kỳ từ các số trong danh sách.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Hoàn trả độ lệch chuẩn của danh sách số.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Hoàn trả tổng số của tất cả các số trong danh sách.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "phân số bất kỳ";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Hoàn trả một phân số bất kỳ không nhỏ hơn 0.0 và không lớn hơn 1.0.";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "Một số nguyên bất kỳ từ %1 đến %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Hoàn trả một số nguyên bất kỳ lớn hơn hoặc bằng số đầu và nhỏ hơn hoặc bằng số sau.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "làm tròn";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "làm tròn xuống";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "làm tròn lên";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Làm tròn lên hoặc tròn xuống số đầu vào.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://vi.wikipedia.org/wiki/C%C4%83n_b%E1%BA%ADc_hai";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "giá trị tuyệt đối";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "căn bật hai";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Hoàn trả giá trị tuyệt đối của số đầu vào.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Hoàn trả lũy thừa của số e với số mũ đầu vào.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Hoàn trả lôgarit tự nhiên của số đầu vào.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Hoàn trả lôgarit cơ số 10 của số đầu vào.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Đổi dấu của số đầu vào: âm thành dương và dương thành âm, và hoàn trả số mới.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Hoàn trả lũy thừa của số 10 với số mũ đầu vào.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Hoàn trả căn bật hai của số đầu vào.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://vi.wikipedia.org/wiki/H%C3%A0m_l%C6%B0%E1%BB%A3ng_gi%C3%A1c";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Hoàn trả Arccos của một góc (theo độ).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Hoàn trả Arcsin của một góc (theo độ).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Hoàn trả Arctang của một góc (theo độ).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Hoàn trả Cos của một góc (theo độ).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Hoàn trả Sin của một góc (theo độ).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Hoàn trả Tang của một góc (theo độ).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Tạo một giá trị màu sắc...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Tạo một giá trị số...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Tạo một giá trị dạng chuỗi...";
-Blockly.Msg["NEW_VARIABLE"] = "Tạo biến...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Tên của biến mới:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Kiểu giá trị mới:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "cho phép báo cáo";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "với:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://vi.wikipedia.org/wiki/Ch%C6%B0%C6%A1ng_tr%C3%ACnh_con";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Chạy một thủ tục không có giá trị hoàn trả.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://vi.wikipedia.org/wiki/Ch%C6%B0%C6%A1ng_tr%C3%ACnh_con";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Chạy một thủ tục có giá trị hoàn trả.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "với:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Tạo mảnh \"thực hiện %1\"";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Mô tả hàm này...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "làm gì đó";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "thủ tục để";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Một thủ tục không có giá trị hoàn trả.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "hoàn trả";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Một thủ tục có giá trị hoàn trả.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Chú ý: Thủ tục này có lặp lại tên các tham số.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Làm nổi bật thủ tục";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Khi điều kiện đúng thì hoàn trả một giá trị.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Chú ý: Mảnh này chỉ có thể dùng trong một thủ tục.";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "biến:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Thêm một đầu vào cho hàm.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "các tham số";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Thêm, xóa hoặc sắp xếp lại các đầu vào cho hàm này.";
-Blockly.Msg["REDO"] = "Làm lại";
-Blockly.Msg["REMOVE_COMMENT"] = "Xóa Chú Giải";
-Blockly.Msg["RENAME_VARIABLE"] = "Thay tên biến...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Thay tên tất cả các biến \"%1\" thành:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "ở cuối %1 thêm văn bản %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Thêm một mảng văn bản vào biến \"%1\".";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "thành chữ thường";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "thành Chữ In Đầu Mỗi Từ";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "thành CHỮ IN HOA";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Hoàn trả văn bản sau khi chuyển đổi chữ in hoa hay thường.";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "lấy ký tự đầu tiên";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "lấy từ phía cuối, ký tự thứ";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "lấy ký tự thứ";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "lấy ký tự cuối cùng";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "lấy ký tự bất kỳ";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "trong văn bản %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Hoàn trả ký tự ở vị trí đặt ra.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "đến %1 trong %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Đếm số lần một đoạn văn bản xuất hiện trong một đoạn văn bản khác.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "thêm vật mới vào văn bản.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "kết nối";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Thêm, bỏ, hoặc sắp xếp lại các thành phần để tạo dựng mảnh văn bản này.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "đến từ phía cuối, ký tự thứ";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "đến ký tự thứ";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "đến ký tự cuối cùng";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "trong văn bản";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "lấy từ ký tự đầu tiên";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "lấy từ phía cuối, ký tự thứ";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "lấy từ ký tự thứ";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Hoàn trả một mảng ký tự ấn định từ trong văn bản.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "tìm sự có mặt đầu tiên của";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "tìm sự có mặt cuối cùng của";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "trong văn bản %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Hoàn trả vị trí xuất hiện đầu/cuối của văn bản thứ nhất trong văn bản thứ hai.  Nếu không tìm thấy thì hoàn trả số %1.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 trống không";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Hoàn trả “đúng nếu văn bản không có ký tự nào.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "";
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "tạo văn bản từ";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Tạo một văn bản từ các thành phần.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "độ dài của %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Hoàn trả số lượng ký tự (kể cả khoảng trắng) trong văn bản đầu vào.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "in lên màng hình %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "In ra màng hình một văn bản, con số, hay một giá trị đầu vào khác.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Xin người dùng nhập vào một con số.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Xin người dùng nhập vào một văn bản.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "Xin người dùng nhập vào con số với dòng hướng dẫn";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "Xin người dùng nhập vào văn bản với dòng hướng dẫn";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "thay thế %1 bằng %2 trong %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Thay thế tất cả các lần xuất hiện của văn bản bằng văn bản khác.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "đảo ngược %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Đảo ngược thứ tự của các chữ cái trong văn bản.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/string_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Một ký tự, một từ, hay một dòng.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "cắt các không gian từ cả hai mặt của";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "cắt các không gian từ bên trái của";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "cắt các không gian từ bên phải của";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Hoàn trả bản sao của văn bản sau khi xóa khoảng trắng từ một hoặc hai bên.";
-Blockly.Msg["TODAY"] = "Hôm nay";
-Blockly.Msg["UNDO"] = "Hoàn tác";
-Blockly.Msg["UNNAMED_KEY"] = "không tên";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "vật";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Tạo mảnh \"đặt vào %1\"";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Hoàn trả giá trị của.";
-Blockly.Msg["VARIABLES_SET"] = "cho %1 bằng %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Tạo mảnh \"lấy %1\"";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Đặt giá trị của biến này thành...";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Một biến có tên '%1' đã tồn tại.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Giá trị '%1' đã tồn tại dưới dạng: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Không gian làm việc Blockly";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Hãy nói gì đó...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/xmf.js b/msg/js/xmf.js
deleted file mode 100644
index 72b367acc34..00000000000
--- a/msg/js/xmf.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "კომენტარიშ გეძინა";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "Can't delete the variable '%1' because it's part of the definition of the function '%2'";  // untranslated
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "შანულობაშ თირუა:";
-Blockly.Msg["CLEAN_UP"] = "ბლოკეფიშ გოუქვაფა";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "ბლოკეფიშ ინოკიჩუა";
-Blockly.Msg["COLLAPSE_BLOCK"] = "ბლოკიშ ტყობინაფა";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "ფერი 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "ფერი 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "ფერი 1-შ წილი";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "ესვარუა";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "ჟირ ფერს ართიანს უწყორუანს მოჩამილი ზჷმათ (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://xmf.wikipedia.org/wiki/ფერი";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "გეგშაგორით ფერი პალიტრაშე.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "შემთხვევითი ფერი";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "ფერიშ შემთხვევითო გიშაგორუა.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "ლენი";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "წვანე";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "ჭითა";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "ფერიː";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "აკოქიმინით ფერი მოჩამილი ჭითა, წვანე დო ლენი ფერეფიშ პროპორციეფით. არძა შანულობა 0 დო 100 შქას ოკო რდას.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "ციკლშე გიშულა";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "ციკლიშ გეჸვენჯი ბიჯგშა გინულა";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "თე ციკლიშ მეჭყორიდუა.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Skip the rest of this loop, and continue with the next iteration.";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "ხვილაფა: თე ბლოკიშ გჷმორინაფა ხვალე ციკლიშ დინოხოლე შილებე.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "for each item %1 in list %2";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "For each item in a list, set the variable '%1' to the item, and then do some statements.";  // untranslated
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "count with %1 from %2 to %3 by %4";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "მათირეფონი '%1'-ის მითმურჩქინანს შანულობას მოჩამილი ბიჯგეფით დუდშე ბოლოშა დო მეწურაფილ ზოჯუეფს არსულენს.";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Add a condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Add a final, catch-all condition to the if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this if block.";  // untranslated
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "შხვანერო";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "შხვანერო თუ";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "თუ";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "პიჯალეფი ნანდული ქორე-და, ზოჯუეფს არსულენს.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "If a value is true, then do the first block of statements. Otherwise, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "If the first value is true, then do the first block of statements. Otherwise, if the second value is true, do the second block of statements. If none of the values are true, do the last block of statements.";  // untranslated
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://ru.wikipedia.org/wiki/ციკლი_(პროგრამირაფა)";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "რსულება";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "%1 შა გომაჟირაფა";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "მუსხირენ ზოჯუაშ მუსხირენშა რსულება.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "გომაჟირაფა, სოიშახ ვა";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "გომაჟირაფა, სოიშახ";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "სოიშახ შანულობა ტყურა რე, ზოჯუეფიშ რსულება";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "სოიშახ შანულობა ნანდული რე, ზოჯუეფიშ რსულება.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "არძა (%1) ბლოკი ბლასათო?";
-Blockly.Msg["DELETE_BLOCK"] = "ბლოკიშ ლასუა";
-Blockly.Msg["DELETE_VARIABLE"] = "'%1' მათირეფონიშ ლასუა";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "'%2' მათირეფონიშ გჷმორინაფა %1 ბლასათო?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "%1 ბლოკიშ ლასუა";
-Blockly.Msg["DISABLE_BLOCK"] = "ბლოკიშ თიშუა";
-Blockly.Msg["DUPLICATE_BLOCK"] = "კოპირაფა";
-Blockly.Msg["DUPLICATE_COMMENT"] = "კომენტარიშ დუბლირაფა";
-Blockly.Msg["ENABLE_BLOCK"] = "ბლოკიშ ჩართება";
-Blockly.Msg["EXPAND_ALL"] = "ბლოკეფიშ გჷმოფაჩუა";
-Blockly.Msg["EXPAND_BLOCK"] = "ბლოკიშ გჷმოფაჩუა";
-Blockly.Msg["EXTERNAL_INPUTS"] = "გალეშე დინოხუნაფა";
-Blockly.Msg["HELP"] = "მოხვარა";
-Blockly.Msg["INLINE_INPUTS"] = "დინოხოლე დინოხუნაფა";
-Blockly.Msg["IOS_CANCEL"] = "გოუქვაფა";
-Blockly.Msg["IOS_ERROR"] = "ჩილათა";
-Blockly.Msg["IOS_OK"] = "OK";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Add Input";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Allow statements";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "This function has duplicate inputs.";  // untranslated
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "მიშულა";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "გეძინა";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Add Variable";  // untranslated
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "ლასუა";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "You can't use an empty variable name.";  // untranslated
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "ჯოხოშ თირუა";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Variable name";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "create empty list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Returns a list, of length 0, containing no data records";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "list";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this list block.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "create list with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Add an item to the list.";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Create a list with any number of items.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "first";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# from end";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "get";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "get and remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "last";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "random";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "remove";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Removes and returns the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Removes and returns the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Removes and returns the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Removes and returns a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Removes the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Removes the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Removes the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Removes a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "to # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "to #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "to last";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "get sub-list from first";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "get sub-list from # from end";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "get sub-list from #";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Creates a copy of the specified portion of a list.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 is the last item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 is the first item.";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "find first occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "find last occurrence of item";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.";  // untranslated
-Blockly.Msg["LISTS_INLIST"] = "in list";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 ცარიელი რე";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Returns true if the list is empty.";  // untranslated
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Returns the length of a list.";  // untranslated
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "create list with item %1 repeated %2 times";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Creates a list consisting of the given value repeated the specified number of times.";  // untranslated
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Reverse a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "as";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "insert at";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Inserts the item at the start of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Inserts the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Append the item to the end of a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Inserts the item randomly in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Sets the first item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Sets the item at the specified position in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Sets the last item in a list.";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Sets a random item in a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "ascending";  // untranslated
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "descending";  // untranslated
-Blockly.Msg["LISTS_SORT_TITLE"] = "sort %1 %2 %3";  // untranslated
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "Sort a copy of a list.";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "alphabetic, ignore case";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "numeric";  // untranslated
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "alphabetic";  // untranslated
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "make list from text";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "make text from list";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Join a list of texts into one text, separated by a delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Split text into a list of texts, breaking at each delimiter.";  // untranslated
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "with delimiter";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "ტყურა";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Returns either true or false.";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "ნანდული";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Return true if both inputs equal each other.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Return true if the first input is greater than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Return true if the first input is greater than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Return true if the first input is smaller than the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Return true if the first input is smaller than or equal to the second input.";  // untranslated
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Return true if both inputs are not equal to each other.";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "not %1";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Returns true if the input is false. Returns false if the input is true.";  // untranslated
-Blockly.Msg["LOGIC_NULL"] = "მუთუნ ვარი";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "დჷთმართინუანს მუთუნ ვარს.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "დო";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "ვარდა";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Return true if both inputs are true.";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Return true if at least one of the inputs is true.";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "test";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "if false";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "if true";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.";  // untranslated
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://xmf.wikipedia.org/wiki/არითმეტიკა";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Return the sum of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Return the quotient of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Return the difference of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Return the product of the two numbers.";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Return the first number raised to the power of the second number.";  // untranslated
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 of X:%1 Y:%2";  // untranslated
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Return the arctangent of point (X, Y) in degrees from -180 to 180.";  // untranslated
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";  // untranslated
-Blockly.Msg["MATH_CHANGE_TITLE"] = "change %1 by %2";  // untranslated
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Add a number to variable '%1'.";  // untranslated
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";  // untranslated
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "constrain %1 low %2 high %3";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Constrain a number to be between the specified limits (inclusive).";  // untranslated
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "is divisible by";  // untranslated
-Blockly.Msg["MATH_IS_EVEN"] = "ჭკობა რე";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "უარყოფითი რე";
-Blockly.Msg["MATH_IS_ODD"] = "ცანდი რე";
-Blockly.Msg["MATH_IS_POSITIVE"] = "დადებითი რე";
-Blockly.Msg["MATH_IS_PRIME"] = "უკაჭული რე";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.";  // untranslated
-Blockly.Msg["MATH_IS_WHOLE"] = "ნთელი რე";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";  // untranslated
-Blockly.Msg["MATH_MODULO_TITLE"] = "remainder of %1 ÷ %2";  // untranslated
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Return the remainder from dividing the two numbers.";  // untranslated
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://xmf.wikipedia.org/wiki/რიცხუ";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "რიცხუ.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "average of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "max of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "median of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "min of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "modes of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "random item of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "standard deviation of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "sum of list";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Return the average (arithmetic mean) of the numeric values in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Return the largest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Return the median number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Return the smallest number in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Return a list of the most common item(s) in the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Return a random element from the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Return the standard deviation of the list.";  // untranslated
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Return the sum of all the numbers in the list.";  // untranslated
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "random fraction";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "random integer from %1 to %2";  // untranslated
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Return a random integer between the two specified limits, inclusive.";  // untranslated
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "round";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "round down";  // untranslated
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "round up";  // untranslated
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Round a number up or down.";  // untranslated
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://en.wikipedia.org/wiki/Square_root";  // untranslated
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "მოდული";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "კვადრატული ჯინჯი";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Return the absolute value of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Return e to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Return the natural logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Return the base 10 logarithm of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Return the negation of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Return 10 to the power of a number.";  // untranslated
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Return the square root of a number.";  // untranslated
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";  // untranslated
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Return the arccosine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Return the arcsine of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Return the arctangent of a number.";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Return the cosine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Return the sine of a degree (not radian).";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Return the tangent of a degree (not radian).";  // untranslated
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Create colour variable...";  // untranslated
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Create number variable...";  // untranslated
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Create string variable...";  // untranslated
-Blockly.Msg["NEW_VARIABLE"] = "აკოქიმინი მათირეფონი...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "ახალი მათირეფონიშ ჯოხო:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "New variable type:";  // untranslated
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "allow statements";  // untranslated
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Run the user-defined function '%1'.";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Run the user-defined function '%1' and use its output.";  // untranslated
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "with:";  // untranslated
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Create '%1'";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Describe this function...";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "do something";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "to";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Creates a function with no output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "return";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Creates a function with an output.";  // untranslated
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Warning: This function has duplicate parameters.";  // untranslated
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Highlight function definition";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "If a value is true, then return a second value.";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Warning: This block may be used only within a function definition.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "input name:";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Add an input to the function.";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "inputs";  // untranslated
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Add, remove, or reorder inputs to this function.";  // untranslated
-Blockly.Msg["REDO"] = "ოშხონაფა";
-Blockly.Msg["REMOVE_COMMENT"] = "კომენტარიშ გოუქვაფა";
-Blockly.Msg["RENAME_VARIABLE"] = "ჯოხოშ თირუა მათირეფონი…";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "არძა მათირეფონი '%1' ჯოხოშ თირუა -შა:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "to %1 append text %2";  // untranslated
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Append some text to variable '%1'.";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "to lower case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "to Title Case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "to UPPER CASE";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "Return a copy of the text in a different case.";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "get first letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "get letter # from end";  // untranslated
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "get letter #";  // untranslated
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "get last letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "get random letter";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "in text %1 %2";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Returns the letter at the specified position.";  // untranslated
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "count %1 in %2";  // untranslated
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Count how many times some text occurs within some other text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Add an item to the text.";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "join";  // untranslated
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Add, remove, or reorder sections to reconfigure this text block.";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "to letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "to letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "to last letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "in text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "get substring from first letter";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "get substring from letter # from end";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "get substring from letter #";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Returns a specified portion of the text.";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "find first occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "find last occurrence of text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "in text %1 %2 %3";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Returns the index of the first/last occurrence of the first text in the second text. Returns %1 if text is not found.";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 is empty";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Returns true if the provided text is empty.";  // untranslated
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "create text with";  // untranslated
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Create a piece of text by joining together any number of items.";  // untranslated
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "length of %1";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Returns the number of letters (including spaces) in the provided text.";  // untranslated
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "print %1";  // untranslated
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Print the specified text, number or other value.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Prompt for user for a number.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Prompt for user for some text.";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "prompt for number with message";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "prompt for text with message";  // untranslated
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "replace %1 with %2 in %3";  // untranslated
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Replace all occurances of some text within some other text.";  // untranslated
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "reverse %1";  // untranslated
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Reverses the order of the characters in the text.";  // untranslated
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";  // untranslated
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "A letter, word, or line of text.";  // untranslated
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "trim spaces from both sides of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "trim spaces from left side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "trim spaces from right side of";  // untranslated
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Return a copy of the text with spaces removed from one or both ends.";  // untranslated
-Blockly.Msg["TODAY"] = "ამდღა";
-Blockly.Msg["UNDO"] = "გოუქვაფა";
-Blockly.Msg["UNNAMED_KEY"] = "ჯოხოშ უმუშო";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "ელემენტი";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Create 'set %1'";  // untranslated
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Returns the value of this variable.";  // untranslated
-Blockly.Msg["VARIABLES_SET"] = "set %1 to %2";  // untranslated
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Create 'get %1'";  // untranslated
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Sets this variable to be equal to the input.";  // untranslated
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "მათირეფონი ჯოხოთი '%1' უკვე არსენებს.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "A variable named '%1' already exists for another type: '%2'.";  // untranslated
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Say something...";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/yo.js b/msg/js/yo.js
deleted file mode 100644
index 968cf264ef3..00000000000
--- a/msg/js/yo.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "Ṣe afikun ọrọ iwoye";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "E ko lee paa Oniruuru rẹ ' %1' nitori wipe o je ara itumọ isise eto yi '%2'";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "Ṣe ayipada iye:";
-Blockly.Msg["CLEAN_UP"] = "Nu Bulọọku kuro";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "Collapsed blocks contain warnings.";  // untranslated
-Blockly.Msg["COLLAPSE_ALL"] = "Bi awọn Bulọọku ṣubu";
-Blockly.Msg["COLLAPSE_BLOCK"] = "Bi Bulọọku ṣubu";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "awọ 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "awọ 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "ipin";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "apapọ";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "Da awo meji papo pelu ipin (0.0 - 1.0).";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://en.wikipedia.org/wiki/Color";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "Yan awọ kan lati inu patako awọ.";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "awọ àrìnàkò";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "Yan awọ kan ni ọna àrìnàkò.";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "alawọ omi aro";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "alawọ ewe";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "awọ pupu";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "awọ pelu:";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "Ṣe idasile awọ kan pelu iye awọ pupu, alawọ ewe, ati alawọ omi aro. Gbogbo iye re gbọdọ je laarin 0 and 100.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "ya kuro ninu lupu";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "beere pelu aṣiṣe lupu";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "Ya kuro ninu akojọ lupu.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "Ṣe afoda awon lupu to ku yii, kii o si tesiwaju pelu awon aṣiṣe lupu.";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "Ikilo: Bulọọku yii se lo ninu aṣiṣe lupu yii nikan.";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "fun nigba kọọkan %1 ni akojọ %2";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "Fun nkan kọọkan ninu akojọ kan, ṣe eto oriṢiriṢi '%1' si nkan naa, ki o si tun koodu naa ṣe.";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "iyipada %1 lati %2 si %3 fifi kun %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "Ni awon oriṣiriṣi '%1' ṣe imulo lori iye kọọkan lati ori nọmba tio beere titi de eyin to pari nọmba, kaa ni pase aarin kan pato. Tun koodu yi se nigba kọọkan:";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "Ṣe afikun si ipo yii bi bulọọku.";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "Ṣe afikun ipari, mu-gbogbo ipo si bulọọku.";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "Ṣe afikun, se ayọkuro, tabi se a tun beere abala yii lati se a tun gbejade bulọọku yii.";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "bibẹẹkọ";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "bibẹẹkọ bi";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "bi";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "Bi iye yii ba je otito, lẹyinna ṣe awọn alaye.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "Bi iye yii ba je otito, lẹyinna ṣe alaye bulọọku akọkọ. Bibẹẹkọ, ṣe alaye akọkọ bulọọku keji.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "Bi iye akọkọ yii ba je otito, lẹyinna ṣe alaye bulọọku akọkọ. Bibẹẹkọ, Bi iye keji yii ba je otito, ṣe alaye akọkọ bulọọku keji.";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "Bi iye akọkọ yii ba je otito, lẹyinna ṣe alaye bulọọku akọkọ. Bi iye keji yii ba je otito, ṣe alaye akọkọ bulọọku keji. Bi eyikeyi iye naa ko ba je otito, ṣe alaye akọkọ bulọọku ti o gbeyin.";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://en.wikipedia.org/wiki/For_loop";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "ṣe";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "Iye igba %1 ti tun ṣe";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "Ṣe awon alaye ni igba pupo.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "tun ṣe titi ti";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "tun ṣe nigbati";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "Nigbati awon iye kan ba iro, tun awon koodu kan ṣe.";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "Nigbati iye kan ba je otito, tun awon koodu kan ṣe.";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "Paa gbogbo %1 bulọọku rẹ?";
-Blockly.Msg["DELETE_BLOCK"] = "Paa Bulọọku rẹ";
-Blockly.Msg["DELETE_VARIABLE"] = "Paa awon '%1' Oniruuru rẹ";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "Paa %1 lilo '%2' oniruuru rẹ?";
-Blockly.Msg["DELETE_X_BLOCKS"] = "Paa %1 awọn Bulọọku rẹ";
-Blockly.Msg["DISABLE_BLOCK"] = "Sọ Bulọọku di alaiṣiṣẹ";
-Blockly.Msg["DUPLICATE_BLOCK"] = "Ṣe ẹẹda";
-Blockly.Msg["DUPLICATE_COMMENT"] = "Ṣe ẹẹda afikun ọrọ iwoye";
-Blockly.Msg["ENABLE_BLOCK"] = "Muu Bulọọku ṣiṣẹ";
-Blockly.Msg["EXPAND_ALL"] = "Fẹ awọn Bulọọku";
-Blockly.Msg["EXPAND_BLOCK"] = "Fẹ Bulọọku";
-Blockly.Msg["EXTERNAL_INPUTS"] = "Awon afikun okeere";
-Blockly.Msg["HELP"] = "Iranwọ";
-Blockly.Msg["INLINE_INPUTS"] = "Afiku tẹle n tẹle";
-Blockly.Msg["IOS_CANCEL"] = "Fagilee";
-Blockly.Msg["IOS_ERROR"] = "Aṣiṣe";
-Blockly.Msg["IOS_OK"] = "O DARA";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ Fi afikun sii";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "Gba koodu laaye";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "Awon afikun okeere";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "SII";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "Ìròpọ̀";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ Ṣe afikun orisirisi";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "Paarẹ";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "O ko le lo oruko orisirisi ti o sofo.";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "Àtúnṣọlọ́rúkọ";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "Oruko orisirisi";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "Ṣẹda akojọ aṣayan tio ṣofo";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "Da akojọ pada, ti gigun 0, ko ni awon akosile alaye";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "akojọ";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "Fikun, yọ, tabi yọ, tunṣe awọn apakan lati akojọ bulooku yii.";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "ṣẹda akojọ";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "Fi nkan kun akojọ.";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "Ṣẹda akojọ pẹlu nọmba eyikeyi ti awọn akojo.";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "àkọ́kọ́";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "# lati opin";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "gba";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "gba ati yọ";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "tógbẹ̀yìn";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "àrìnàkò";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "yọ";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "Da akojọ akọkọ pada.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "Returns the item at the specified position in a list.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "Da akojọ ti o kẹhin pada.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "Da ohun àrìnàkò kan pada ninu akojọ";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "Yọ ki o si da akojọ kuro ni akọkọ pada.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "Yọ ki o si da akojọ naa pada kuro ni ipo kan pato ti o wa.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "Yọ ki o si da akojọ ti o kẹhin pada";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "Yọ ki o si da akojọ ti o kẹhin àrìnàkò pada";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "Da akojọ akọkọ pada.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "Yọ ki o si da akojọ naa pada kuro ni ipo kan pato ti o wa.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "Da akojọ ti o kẹhin pada.";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "Da ohun àrìnàkò kan pada ninu akojọ";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "sii # lati opin";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "sii #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "sii opin";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "gba ipin -akojọ lati akọkọ";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "gba ipin -akojọ lati # lati opin";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "gba ipin -akojọ lati #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "Ṣẹda ẹda ti apa kan ti o wa ninu akojọ.";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 jẹ ohun ti o kẹhin.";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 jẹ ohun akọkọ.";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "wa awon nkan akọkọ ti o sele";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "wa iṣẹlẹ ti o kẹhin ti akojọ";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "Da atọka ti akọkọ / iṣẹlẹ to kẹhin ti akojọ. Da %1 akojọ pada ti o ko ba ri.";
-Blockly.Msg["LISTS_INLIST"] = "ni akojọ";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 je ofo";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "Da otitọ pada nigbati akojọ ba ṣofo.";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "gigun ti %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "Da gigun ti akojo pada.";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "ṣẹda akojọ pẹlu nkan %1 tun ṣe %2 igba";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "Ṣẹda akojọ kan ti o wa fun iye tun nọmba kan pato ti akoko ti a ti yan.";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";  // untranslated
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "Ṣe iyipada %1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "Ṣe iyipada ẹda ti akojọ kan.";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "bii";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "fi sii ni";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "ṣeto";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "Fi ohun kan sii ni ibẹrẹ akojọ.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "Fi ohun kan sii ipo kan pato ti a ti yan ni akojọ.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "Fi ohun kan kun si opin akojọ.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "Fi ohun kan kun si àrìnàkò akojọ.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "Fi ohun kan sii ni ibẹrẹ akojọ.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "Ṣeto ohun akọkọ sii ipo kan pato ti a ti yan ni akojọ.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "Fi ohun kan kun si opin akojọ.";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "Fi ohun kan kun si àrìnàkò akojọ.";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "si oke";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "si isalẹ";
-Blockly.Msg["LISTS_SORT_TITLE"] = "to %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "To ẹda akojọ lẹsẹẹsẹ.";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "awon alfabeti, fojufo irufe";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "awọn nọmba";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "awon alfabeti";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "ṣe akojọ lati inu ọrọ";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "ṣe ọrọ lati akojọ";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "Darapọ mọ akojọ awọn ọrọ sinu ọrọ kan, ti a pin nipase delimita.";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "Pin ọrọ sinu akojọ awọn ọrọ kan, fọ ni dẹlimita kọọkan.";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "pẹlu dẹlimita";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "irọ";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "Da pada bi o je otito tabi iro.";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "otitọ";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://en.wikipedia.org/wiki/Inequality_(mathematics)";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "Da otito pada b iafikun mejeji ba dogba bakanna.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "Da otito pada bi afikun akooko ba tobi ju afiku keji lo.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "Da otito pada bi afikun akooko ba tobi ju tabi dogba pelu afiku keji lo.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "Da otito pada bi afikun akooko ba kere ju afiku keji lo.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "Da otito pada bi afikun akooko ba kere ju tabi dogba pelu afiku keji lo.";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "Da otito pada bi afikun mejeji ko ba dogba bakanna.";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "kii ṣe %1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "Da otitọ pada bi afikun ba je irọ. Da iro pada bi afikun ba je otito.";
-Blockly.Msg["LOGIC_NULL"] = "ofo";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "Da ofo pada.";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "ati";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "tabi";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "Da otito pada bi afikun mejeji ba je otito.";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "Da otitọ pada bi o kere ju afikun kan ba je otito.";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "idanwo";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://en.wikipedia.org/wiki/%3F:";  // untranslated
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "bi irọ";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "bi otitọ";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "Ṣe ayewo ipo naa ni 'idanwo'. Bi ipo nab a je otito, Da pada 'bi otito' iye; bibẹẹkọ da pada  'bi iro' iye.";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://yo.wikipedia.org/wiki/Ìṣírò";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "Da apapo awọn nọmba meji pada.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "Da adarọ iye ti awọn nọmba meji pada.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "Da iyatọ awọn nọmba meji naa pada.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "Da abajade awọn nọmba meji naa pada.";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "Da nọmba akọkọ ti a gbe si agbara ti nọmba keji pada.";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://en.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "atan2 X:%1 Y:%2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "Da ojuami arctangent pada (X, Y) ni awon digiri lati -180 si 180.";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "iyipada %1 nipasẹ %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "Se afiku si nọmba orisirisi '%1'.";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://en.wikipedia.org/wiki/Mathematical_constant";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "Da ọkan ninu awọn aiyipada ti o wọpọ pada: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (ailopin).";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "atokọ %1 kukuru %2 giga %3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "Ṣe atokọ nọmba laarin awọn nọmba kukuru ati giga. (ini afikun).";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "je sisee pin pẹlu";
-Blockly.Msg["MATH_IS_EVEN"] = "je se e pin";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "je ai dara";
-Blockly.Msg["MATH_IS_ODD"] = "je ai se e pin";
-Blockly.Msg["MATH_IS_POSITIVE"] = "je di dara";
-Blockly.Msg["MATH_IS_PRIME"] = "je nọ́mbà àkọ́kọ́";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "Ṣe ayẹwo boya nọmba jẹ eyi to se pin, ai se pin, akori, odidi, ti o dara, ti ko dara, tabi ti o ba se e pin pelu nọmba kan. Pada otitọ tabi irọ.";
-Blockly.Msg["MATH_IS_WHOLE"] = "je odidi";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://en.wikipedia.org/wiki/Modulo_operation";
-Blockly.Msg["MATH_MODULO_TITLE"] = "iyokù %1 ÷ %2";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "Da iyokù lati pinpin awọn nọmba meji pada.";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://yo.wikipedia.org/wiki/Nọ́mbà";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "Nọ́mbà kan.";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "idameji akojọ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "akojọ ti o pọ ju";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "agbedemeji akojọ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "akojọ ti o kere ju";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "awọn ipo ti akojọ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "àrìnàkò nkan ti akojọ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "iṣiro deede ti akojọ";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "apao akojọ";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "Da idameji pada (ipin isiro) ti awọn nọmba iye inu akojọ.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "Da nọmba ti o tobi julọ ninu akojọ pada.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "Da agbedemeji nọmba inu akojọ pada.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "Da nọmba ti o kere julọ ninu akojọ pada.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "Da akojọ ti eyi ti o wọpọ julọ ninu akojọ.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "Da àrìnàkò ida ipilẹ nkan lati inu akojọ.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "Da iṣiro deede ti akojọ pada.";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "Da apapo gbogbo awọn nọmba inu akojọ pada.";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "oniruru ipin";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "Da àrìnàkò ida pada laarin 0.0 (ini afikun) ati 1.0 (iyasọtọ).";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://en.wikipedia.org/wiki/Random_number_generation";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "oniruru abala lati %1 si %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "Da àrìnàkò abala laarin awon opin pato meji pada, ini afikun.";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://en.wikipedia.org/wiki/Rounding";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "pa ju de";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "pa ju de si isalẹ";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "pa ju de soke";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "Pa oju nọmba de soke tabi si isalẹ.";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://yo.wikipedia.org/wiki/Gb%C3%B2ngb%C3%B2_al%C3%A1gb%C3%A1ram%C3%A9j%C3%AC";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "patapata";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "Ipilẹ onihamẹrin";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "Da iye patapata ti nọmba kan pada.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "Da e pada si agbara ti nọmba kan.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "Da lọgaridimu adayeba ti nọmba kan pada.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "Da ipilẹ 10 lọgaridimu nọmba kan pada.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "Da ilodisi ti nọmba kan pada";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "Da 10 pada si agbara nọmba kan.";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "Da Ipilẹ onihamẹrin nọmba kan pada.";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://en.wikipedia.org/wiki/Trigonometric_functions";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "Da arccosine ti digiri pada.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "Da arcsine ti digiri pada.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "Da arctangent ti digiri pada.";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "Da cosine ti digiri pada (kii ṣe Radian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "Da sine ti digiri pada (kii ṣe Radian).";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "Da tangent ti digiri pada (kii ṣe Radian).";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "Ṣe idasile awọ oniruuru...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "Ṣe idasile nọ́mbà oniruru...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "Ṣe idasile asopọ oniruru...";
-Blockly.Msg["NEW_VARIABLE"] = "Ṣe idasile oniruuru...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "Orukọ oniruuru tuntun:";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "Iru oniruuru tuntun:";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "gba alaye laaye";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "pẹlu:";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "Ṣe ṣalaye-iṣẹ ti olumulo '%1'.";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "Ṣe ṣalaye-iṣẹ ti olumulo '%1' kii o sii lo iṣagbejade rẹ.";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "pẹlu:";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "Ṣe idasile '%1'";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "Ṣe apejuwe iṣẹ yii...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "Ṣe awon alaye ni igba pupo.";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "sii";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "Ṣẹda iṣẹ kan lai si iṣagbejade.";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://en.wikipedia.org/wiki/Subroutine";  // untranslated
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "tun tẹ";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "Ṣẹda iṣẹ pẹlu iṣagbejade kan.";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "Ikilo: Isẹ yii ni awọn ẹda odiwọn.";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "Ṣafihan iṣẹ isọtunmọ";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "Ti iye ba jẹ otitọ, lẹhinna da iye keji pada.";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "Ikilo: Bulọọki yii le ṣee lo nikan laarin itumọ iṣẹ kan";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "igbewọle orukọ:";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "Ṣe afikun kan sii igbewọle si iṣẹ yii.";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "igbewọle";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "Fikun, yọ kuro, tabi tun beere awọn igbewọle si iṣẹ yii.";
-Blockly.Msg["REDO"] = "Tun ṣe";
-Blockly.Msg["REMOVE_COMMENT"] = "Yọ afikun ọrọ iwoye";
-Blockly.Msg["RENAME_VARIABLE"] = "Tun orukọ oniruuru kọ...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "Tun orukọ gbogbo '%1' v oniruru kọ si:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "si %1 fikun ọrọ %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "Ṣe afikun awon ọrọ oniruru '%1'.";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "si alfabeti kekere";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "si Alfabeti Aarin";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "si ALFABETI NLA";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "aa <-> AA";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "gba lẹta akọkọ";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "gba lẹta # lati opin";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "gba lẹta #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "gba lẹta ti o kẹhin";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "gba lẹta àrìnàkò";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "ninu %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "Da lẹta naa pada si ipo ti a ti sọ tẹlẹ.";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";  // untranslated
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "ka %1 ni %2";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "Ka iye igba diẹ ninu awọn ọrọ kan waye laarin awọn ọrọ miiran.";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "Ṣe afikun nkan si ọrọ naa.";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "darapọ";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "Fikun, yọ kuro, tabi ṣe atunṣe awọn apakan lati se atunkọ ọrọ bulooku yii.";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "si lẹta # lati opin";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "si lẹta #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "si lẹta kẹhin";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "ninu";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "gba substring lati lẹta akọkọ";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "gba substring lati lẹta # lati opin";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "gba substring lati lẹta #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "Da ipin kan pato ti ọrọ naa pada.";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "wa isele akọkọ ti o wa ninu ọrọ";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "wa isele igbeyin ti o wa ninu ọrọ";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "ninu %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "Da atọka ti akọkọ / iṣẹlẹ to kẹhin ti akojọ. Da %1 akojọ pada ti o ko ba ri.";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 je isofo";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "Da otitọ pada ti ọrọ ti a pese ba ṣofo.";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "ṣẹ ẹda ọrọ pẹlu";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "Ṣẹda ọrọ kan nipa ṣiṣepọ gbogbo awọn ohun kan.";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "Gigun ti %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "Da nọmba awọn lẹta pada (pẹlu awọn alafo) ninu ọrọ ti a pese.";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "tẹ ọrọ %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "Tẹ ọrọ kan pato, nọmba tabi iye awon miiran.";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "Kiakia fun olumulo fun nọmba.";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "Kiakia fun olumulo fun awon ifiranṣẹ.";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "kiakia fun nọmba pẹlu ifiranṣẹ";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "kiakia fun ọrọ pẹlu ifiranṣẹ";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";  // untranslated
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "Ṣe iropọ %1 pelu %2 in %3";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "Ṣe iropo gbogbo awọn iṣẹlẹ ti o sele ninu awọn ọrọ laarin awọn ọrọ miiran.";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";  // untranslated
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "Ṣe iyipada %1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "Ṣe iyipada aṣẹ awọn ohun kikọ inu ọrọ naa.";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://en.wikipedia.org/wiki/String_(computer_science)";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "Lẹta, ọrọ, tabi ila ọrọ.";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "ge awọn alafo lati awọn igun mejeji ti";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "ge awọn alafo lati apa osi ti";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "ge awọn alafo lati apa otun ti";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "Da ẹda ti ọrọ naa pada pẹlu awọn alafo miiran ti o kuro lati ọkan tabi awọn opin mejeeji.";
-Blockly.Msg["TODAY"] = "Loni";
-Blockly.Msg["UNDO"] = "Maa ṣe";
-Blockly.Msg["UNNAMED_KEY"] = "unnamed";  // untranslated
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "nkan";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "Ṣe idasile 'ṣeto %1'";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "Da iye orisirisi yii pada.";
-Blockly.Msg["VARIABLES_SET"] = "ṣeto %1 sii %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "Ṣe idasile 'gba %1'";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "Ṣeto oniruru yii lati je bakanna sii igbasilẹ.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "Oniruuru ti a darukọ '%1' ti wa tẹlẹtẹlẹ.";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "Oniruuru ti a darukọ '%1' ti wa tẹlẹtẹlẹ fun iru miran: '%2'.";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly Workspace";  // untranslated
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "Sọ nkankan...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/zh-hans.js b/msg/js/zh-hans.js
deleted file mode 100644
index aa03e14828c..00000000000
--- a/msg/js/zh-hans.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "添加注释";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "不能删除变量“%1”，因为它是函数“%2”定义的一部分";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "更改值：";
-Blockly.Msg["CLEAN_UP"] = "整理块";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "已收起的信息块内包含警告。";
-Blockly.Msg["COLLAPSE_ALL"] = "折叠块";
-Blockly.Msg["COLLAPSE_BLOCK"] = "折叠块";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "颜色1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "颜色2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "比例";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "混合";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "把两种颜色以一个给定的比例(0.0-1.0)进行混合。";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://zh.wikipedia.org/wiki/颜色";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "从调色板中选择一种颜色。";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "随机颜色";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "随机选择一种颜色。";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "蓝色";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "绿色";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "红色";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "颜色";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "通过指定红色、绿色和蓝色的量创建一种颜色。所有的值必须在0和100之间。";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "跳出循环";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "继续下一轮循环";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "跳出包含它的循环。";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "跳过本轮循环的剩余部分，并继进行续下一轮迭代。";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "警告：这个块只能在循环内使用。";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "为列表 %2 里的每一项 %1";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "遍历列表中的每一项，将变量“%1”设为所选项，并执行一些语句。";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "变量 %1 从 %2 数到 %3 每次增加 %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "用变量%1记录从开始数值到终止数值之间的数值，数值按指定间隔增加，并执行指定的块。";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "在这个if语句块中增加一个条件。";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "在这个if语句块中添加一个最终的，包括所有其余情况的条件。";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "增加、删除或重新排列各节来重新配置这个if语句块。";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "否则";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "否则如果";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "如果";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "如果值为真，执行一些语句。";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "如果值为真，则执行第一块语句。否则，则执行第二块语句。";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "如果第一个值为真，则执行第一块的语句。否则，如果第二个值为真，则执行第二块的语句。";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "如果第一个值为真，则执行第一块对语句。否则，如果第二个值为真，则执行语句的第二块。如果没有值为真，则执行最后一块的语句。";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://zh.wikipedia.org/wiki/For循环";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "执行";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "重复 %1 次";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "多次执行一些语句。";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "重复直到条件满足";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "当条件满足时重复";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "只要值为假，执行一些语句。";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "只要值为真，执行一些语句。";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "删除所有 %1 个块吗？";
-Blockly.Msg["DELETE_BLOCK"] = "删除块";
-Blockly.Msg["DELETE_VARIABLE"] = "删除变量“%1”";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "要删除对变量“%2”的%1个引用吗？";
-Blockly.Msg["DELETE_X_BLOCKS"] = "删除 %1 个块";
-Blockly.Msg["DISABLE_BLOCK"] = "禁用块";
-Blockly.Msg["DUPLICATE_BLOCK"] = "复制";
-Blockly.Msg["DUPLICATE_COMMENT"] = "复制注释";
-Blockly.Msg["ENABLE_BLOCK"] = "启用块";
-Blockly.Msg["EXPAND_ALL"] = "展开块";
-Blockly.Msg["EXPAND_BLOCK"] = "展开块";
-Blockly.Msg["EXTERNAL_INPUTS"] = "外部输入";
-Blockly.Msg["HELP"] = "帮助";
-Blockly.Msg["INLINE_INPUTS"] = "单行输入";
-Blockly.Msg["IOS_CANCEL"] = "取消";
-Blockly.Msg["IOS_ERROR"] = "错误";
-Blockly.Msg["IOS_OK"] = "确定";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+添加输入";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "允许的语句";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "这个函数有多个输入。";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "输入";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "添加";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+添加变量";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "删除";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "你不能使用空白的变量名。";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "重命名";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "变量名";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "创建空列表";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "返回一个列表，长度为 0，不包含任何数据记录";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "列表";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "增加、删除或重新排列各部分以此重新配置这个列表块。";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "建立列表从";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "将一个项添加到列表中。";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "建立一个具有任意数量项目的列表。";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "第一个";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "倒数第#";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "取得";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "取得并移除";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "最后一个";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "随机的";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "移除";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "-";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "返回列表中的第一项。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "返回在列表中的指定位置的项。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "返回列表中的最后一项。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "返回列表中的随机一项。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "移除并返回列表中的第一项。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "移除并返回列表中的指定位置的项。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "移除并返回列表中的最后一项。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "移除并返回列表中的随机一项。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "移除列表中的第一项";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "移除在列表中的指定位置的项。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "移除列表中的最后一项";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "删除列表中的随机一项。";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "到倒数第#";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "到#";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "到最后";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "获取子列表从第一个";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "获取子列表从最后一个#";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "获取子列表从#";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "-";
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "复制列表中指定的部分。";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1是最后一项。";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1是第一项。";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "寻找第一次出现的项";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "寻找最后一次出现的项";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "返回在列表中的第一/最后一个匹配项的索引值。如果找不到项目则返回%1。";
-Blockly.Msg["LISTS_INLIST"] = "在列表中";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1是空的";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "如果改列表为空，则返回真。";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "%1的长度";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "返回列表的长度。";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "建立列表使用项 %1 重复 %2 次";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "建立包含指定重复次数的值的列表。";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "倒转%1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "倒转一个列表的拷贝。";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "值为";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "插入在";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "设置";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "在列表的起始处添加该项。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "插入在列表中指定位置的项。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "在列表的末尾处添加该项。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "在列表的随机位置插入该项。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "设置列表中的第一项。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "设置在列表中指定位置的项。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "设置列表中的最后一项。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "设置列表中的随机一项。";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "升序";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "降序";
-Blockly.Msg["LISTS_SORT_TITLE"] = "排序%1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "排序一个列表的拷贝。";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "按字母排序，忽略大小写";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "按数字排序";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "按字母排序";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "从文本制作列表";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "从列表拆出文本";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "加入文本列表至一个文本，由分隔符分隔。";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "拆分文本到文本列表，按每个分隔符拆分。";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "用分隔符";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "假";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "返回真或假。";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "真";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://zh.wikipedia.org/wiki/不等";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "如果两个输入结果相等，则返回真。";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "如果第一个输入结果比第二个大，则返回真。";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "如果第一个输入结果大于或等于第二个输入结果，则返回真。";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "如果第一个输入结果比第二个小，则返回真。";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "如果第一个输入结果小于或等于第二个输入结果，则返回真。";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "如果两个输入结果不相等，则返回真。";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "非%1";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "如果输入结果为假，则返回真；如果输入结果为真，则返回假。";
-Blockly.Msg["LOGIC_NULL"] = "空";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "返回空值。";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "并且";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "或";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "如果两个输入结果都为真，则返回真。";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "如果至少有一个输入结果为真，则返回真。";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "断言";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://zh.wikipedia.org/wiki/条件运算符";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "如果为假";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "如果为真";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "检查“断言”里的条件语句。如果条件为真，则返回“如果为真”的值，否则，则返回“如果为假”的值。";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://zh.wikipedia.org/wiki/算术";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "返回两个数值的和。";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "返回两个数值的商。";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "返回两个数值的差值。";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "返回两个数值的乘积。";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "返回以第一个数值为底数，以第二个数值为幂的结果。";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://zh.wikipedia.org/wiki/反正切2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "点(x:%1,y:%2)的方位角";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "返回点（X，Y）的反正切值，范围为-180到180度。";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://zh.wikipedia.org/wiki/加法";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "将 %1 增加 %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "为变量“%1”增加一个数值。";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://zh.wikipedia.org/wiki/数学常数";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "返回一个常见常量：π (3.141…)、e (2.718…)、φ (1.618…)、平方根 (1.414…)、开平方根 (0.707…)或∞ (无限大)。";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "将 %1 限制在 最低 %2 到最高 %3 之间";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "将一个数值限制在两个指定的数值范围（含边界）之间。";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "可被整除";
-Blockly.Msg["MATH_IS_EVEN"] = "是偶数";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "是负数";
-Blockly.Msg["MATH_IS_ODD"] = "是奇数";
-Blockly.Msg["MATH_IS_POSITIVE"] = "是正数";
-Blockly.Msg["MATH_IS_PRIME"] = "是质数";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "检查一个数值是否是偶数、奇数、质数、自然数、正数、负数或者是否能被某数整除。返回真或假。";
-Blockly.Msg["MATH_IS_WHOLE"] = "是整数";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://zh.wikipedia.org/wiki/模除";
-Blockly.Msg["MATH_MODULO_TITLE"] = "取 %1 ÷ %2 的余数";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "返回这两个数字相除后的余数。";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://zh.wikipedia.org/wiki/数";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "一个数值。";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "列表平均值";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "列表最大值";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "列表中位数";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "列表最小值";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "列表中的众数";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "列表随机项";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "列表的标准差";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "列表中数值的和";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "返回列表中的数值的平均值。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "返回列表中最大值。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "返回列表中数值的中位数。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "返回列表中最小值。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "返回列表中的出现次数最多的项的列表。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "从列表中返回一个随机的元素。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "返回列表的标准差。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "返回列表中的所有数值的和。";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://zh.wikipedia.org/wiki/随机数生成器";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "随机小数";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "返回一个介于0.0到1.0之间（含边界）的随机数。";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://zh.wikipedia.org/wiki/随机数生成器";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "从 %1 到 %2 范围内的随机整数";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "返回一个限制在两个指定数值的范围（含边界）之间的随机整数。";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://zh.wikipedia.org/wiki/数值修约";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "四舍五入";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "向下舍入";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "向上舍入";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "数字向上或向下舍入。";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://zh.wikipedia.org/wiki/平方根";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "绝对值";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "平方根";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "返回一个数值的绝对值。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "返回一个数值的e次幂。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "返回一个数值的自然对数。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "返回一个数值的以10为底的对数。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "返回一个数值的相反数。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "返回一个数值的10次幂。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "返回一个数的平方根。";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://zh.wikipedia.org/wiki/三角函数";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "返回一个数值的反余弦值。";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "返回一个数值的反正弦值。";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "返回一个数值的反正切值。";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "返回指定角度的余弦值(非弧度）。";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "返回指定角度的正弦值(非弧度）。";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "返回指定角度的正切值(非弧度）。";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "创建颜色变量...";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "创建数字变量...";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "创建字符串变量...";
-Blockly.Msg["NEW_VARIABLE"] = "创建变量...";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "新变量的名称：";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "新变量的类型：";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "-";
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "允许声明";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "与：";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://zh.wikipedia.org/wiki/子程序";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "运行用户定义的函数“%1”。";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://zh.wikipedia.org/wiki/子程序";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "运行用户定义的函数“%1”，并使用它的输出值。";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "与：";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "创建“%1”";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "描述该功能...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "-";
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://zh.wikipedia.org/wiki/子程序";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "做点什么";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "至";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "创建一个不带输出值的函数。";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://zh.wikipedia.org/wiki/子程序";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "返回";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "创建一个有输出值的函数。";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "警告：此函数具有重复参数。";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "突出显示函数定义";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "如果值为真，则返回第二个值。";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "警告：这个块只能在函数内部使用。";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "输入名称：";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "添加函数输入。";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "输入";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "添加、移除或重新排此函数的输入。";
-Blockly.Msg["REDO"] = "重做";
-Blockly.Msg["REMOVE_COMMENT"] = "删除注释";
-Blockly.Msg["RENAME_VARIABLE"] = "重命名变量...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "将所有“%1”变量重命名为:";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "向%1附加文本%2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "将一些文本追加到变量“%1”里。";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "转为小写";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "转为首字母大写";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "转为大写";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "用不同的大小写模式复制并返回这段文字。";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "寻找第一个字母";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "获取字符从倒数#";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "获取字符从#";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "寻找最后一个字母";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "寻找随机的字母";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "-";
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "在文本%1 里 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "返回位于指定位置的字母。";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "计算%1在%2里出现的次数";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "计算在一段文本中，某个部分文本重复出现了多少次。";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "将一个项添加到文本中。";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "加入";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "添加、移除或重新排列各节来重新配置这个文本块。";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "到最后一个字符#";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "至字符#";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "到最后一个字符";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "从文本";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "取得子串自第一个字符";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "取得子串自倒数#";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "取得子串自#";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "-";
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "返回文本中指定的一部分。";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "寻找第一次出现的文本";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "寻找最后一次出现的文本";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "在文本 %1 里 %2  %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "返回第一个文本段在第二个文本段中的第一/最后一个匹配项的起始位置。如果未找到，则返回%1。";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1是空的";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "如果给定的文本为空，则返回真。";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "建立文本从";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "通过串起任意数量的项以建立一段文本。";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "%1的长度";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "返回给定文本的字母数（包括空格）。";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "输出%1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "输出指定的文字、数字或其他值。";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "要求用户输入数字。";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "要求用户输入一些文本。";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "要求输入数字，并显示提示消息";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "要求输入文本，并显示提示消息";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "在%3中，将%1替换为%2";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "在一段文本中，将出现过的某部分文本都替换掉。";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "翻转文本%1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "将文本中各个字符的顺序倒转。";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://zh.wikipedia.org/wiki/字符串";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "一个字、词语或一行文本。";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "消除其两侧的空白";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "消除其左侧的空白";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "消除其右侧的空白";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "从某一端或同时从两端删除多余的空白，并返回这段文字的一个副本。";
-Blockly.Msg["TODAY"] = "今天";
-Blockly.Msg["UNDO"] = "撤销";
-Blockly.Msg["UNNAMED_KEY"] = "匿名";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "项目";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "创建“设定%1”";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "返回此变量的值。";
-Blockly.Msg["VARIABLES_SET"] = "赋值 %1 为 %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "创建“获得%1”";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "设置此变量，以使它和输入值相等。";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "名字叫“%1”的变量已经存在了。";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "名字叫“%1”的变量已经有了另一个类型：“%2”。";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly工作区";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "说点什么...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/js/zh-hant.js b/msg/js/zh-hant.js
deleted file mode 100644
index 530a0380c43..00000000000
--- a/msg/js/zh-hant.js
+++ /dev/null
@@ -1,434 +0,0 @@
-// This file was automatically generated.  Do not modify.
-
-'use strict';
-
-Blockly.Msg["ADD_COMMENT"] = "加入註解";
-Blockly.Msg["CANNOT_DELETE_VARIABLE_PROCEDURE"] = "無法刪除變數「%1」，因為這是功能「%2」定義的一部份內容";
-Blockly.Msg["CHANGE_VALUE_TITLE"] = "修改值：";
-Blockly.Msg["CLEAN_UP"] = "整理積木";
-Blockly.Msg["COLLAPSED_WARNINGS_WARNING"] = "收合含有警告的區塊。";
-Blockly.Msg["COLLAPSE_ALL"] = "收合積木";
-Blockly.Msg["COLLAPSE_BLOCK"] = "收合區塊";
-Blockly.Msg["COLOUR_BLEND_COLOUR1"] = "顏色 1";
-Blockly.Msg["COLOUR_BLEND_COLOUR2"] = "顏色 2";
-Blockly.Msg["COLOUR_BLEND_HELPURL"] = "https://meyerweb.com/eric/tools/color-blend/#:::rgbp";  // untranslated
-Blockly.Msg["COLOUR_BLEND_RATIO"] = "比例";
-Blockly.Msg["COLOUR_BLEND_TITLE"] = "混合";
-Blockly.Msg["COLOUR_BLEND_TOOLTIP"] = "用一個給定的比率（0.0-1.0）混合兩種顏色。";
-Blockly.Msg["COLOUR_PICKER_HELPURL"] = "https://zh.wikipedia.org/wiki/顏色";
-Blockly.Msg["COLOUR_PICKER_TOOLTIP"] = "從調色板中選擇一種顏色。";
-Blockly.Msg["COLOUR_RANDOM_HELPURL"] = "http://randomcolour.com";  // untranslated
-Blockly.Msg["COLOUR_RANDOM_TITLE"] = "隨機顏色";
-Blockly.Msg["COLOUR_RANDOM_TOOLTIP"] = "隨機選擇一種顏色。";
-Blockly.Msg["COLOUR_RGB_BLUE"] = "藍";
-Blockly.Msg["COLOUR_RGB_GREEN"] = "綠";
-Blockly.Msg["COLOUR_RGB_HELPURL"] = "https://www.december.com/html/spec/colorpercompact.html";  // untranslated
-Blockly.Msg["COLOUR_RGB_RED"] = "紅";
-Blockly.Msg["COLOUR_RGB_TITLE"] = "顏色";
-Blockly.Msg["COLOUR_RGB_TOOLTIP"] = "透過指定紅、綠、 藍色的值來建立一種顏色。所有的值必須介於 0 和 100 之間。";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks";  // untranslated
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK"] = "中斷循環";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE"] = "繼續下一個循環";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK"] = "中斷當前的循環。";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE"] = "跳過這個循環的其餘步驟，並繼續下一次的循環。";
-Blockly.Msg["CONTROLS_FLOW_STATEMENTS_WARNING"] = "警告：此區塊僅可用於循環內。";
-Blockly.Msg["CONTROLS_FOREACH_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#for-each";  // untranslated
-Blockly.Msg["CONTROLS_FOREACH_TITLE"] = "為列表 %2 裡的每一項 %1";
-Blockly.Msg["CONTROLS_FOREACH_TOOLTIP"] = "遍歷每個清單中的項目，將變數「%1」設定到該項目中，然後執行某些陳述式。";
-Blockly.Msg["CONTROLS_FOR_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#count-with";  // untranslated
-Blockly.Msg["CONTROLS_FOR_TITLE"] = "循環計數 %1 從 %2 到 %3 每次增加 %4";
-Blockly.Msg["CONTROLS_FOR_TOOLTIP"] = "從起始數到結尾數中取出變數「%1」的值，按指定的時間間隔，執行指定的區塊。";
-Blockly.Msg["CONTROLS_IF_ELSEIF_TOOLTIP"] = "添加條件到「如果」積木。";
-Blockly.Msg["CONTROLS_IF_ELSE_TOOLTIP"] = "加入一個最終、所有條件都執行的部份到「如果」區塊中。";
-Blockly.Msg["CONTROLS_IF_HELPURL"] = "https://github.com/google/blockly/wiki/IfElse";  // untranslated
-Blockly.Msg["CONTROLS_IF_IF_TOOLTIP"] = "添加、刪除或重新排列各部份以重新配置這個「如果」區塊。";
-Blockly.Msg["CONTROLS_IF_MSG_ELSE"] = "否則";
-Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"] = "否則，如果";
-Blockly.Msg["CONTROLS_IF_MSG_IF"] = "如果";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_1"] = "當值為 true 時，執行一些陳述式。";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_2"] = "當值為 true 時，執行第一個陳述式。否則，執行第二個陳述式。";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_3"] = "如果第一個值為 true，則執行第一個陳述式。否則，當第二個值為 true 時，則執行第二個陳述式。";
-Blockly.Msg["CONTROLS_IF_TOOLTIP_4"] = "如果第一個值為 true，則執行第一個陳述式。否則當第二個值為 true 時，則執行第二個陳述式。如果前幾個敘述都不為 ture，則執行最後一個陳述式。";
-Blockly.Msg["CONTROLS_REPEAT_HELPURL"] = "https://zh.wikipedia.org/wiki/For迴圈";
-Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"] = "執行";
-Blockly.Msg["CONTROLS_REPEAT_TITLE"] = "重複%1次";
-Blockly.Msg["CONTROLS_REPEAT_TOOLTIP"] = "重複執行指定的陳述式多次。";
-Blockly.Msg["CONTROLS_WHILEUNTIL_HELPURL"] = "https://github.com/google/blockly/wiki/Loops#repeat";  // untranslated
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_UNTIL"] = "重複直到";
-Blockly.Msg["CONTROLS_WHILEUNTIL_OPERATOR_WHILE"] = "重複，當";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL"] = "當值為 false 時，執行一些陳述式。";
-Blockly.Msg["CONTROLS_WHILEUNTIL_TOOLTIP_WHILE"] = "當值為 true 時，執行一些陳述式。";
-Blockly.Msg["DELETE_ALL_BLOCKS"] = "刪除全部 %1 個區塊？";
-Blockly.Msg["DELETE_BLOCK"] = "刪除區塊";
-Blockly.Msg["DELETE_VARIABLE"] = "刪除變數「%1」";
-Blockly.Msg["DELETE_VARIABLE_CONFIRMATION"] = "刪除使用%1次的「%2」變數？";
-Blockly.Msg["DELETE_X_BLOCKS"] = "刪除%1個積木";
-Blockly.Msg["DISABLE_BLOCK"] = "停用區塊";
-Blockly.Msg["DUPLICATE_BLOCK"] = "複製";
-Blockly.Msg["DUPLICATE_COMMENT"] = "複製註解";
-Blockly.Msg["ENABLE_BLOCK"] = "啟用積木";
-Blockly.Msg["EXPAND_ALL"] = "展開積木";
-Blockly.Msg["EXPAND_BLOCK"] = "展開區塊";
-Blockly.Msg["EXTERNAL_INPUTS"] = "外部輸入";
-Blockly.Msg["HELP"] = "說明";
-Blockly.Msg["INLINE_INPUTS"] = "單行輸入";
-Blockly.Msg["IOS_CANCEL"] = "取消";
-Blockly.Msg["IOS_ERROR"] = "錯誤";
-Blockly.Msg["IOS_OK"] = "確定";
-Blockly.Msg["IOS_PROCEDURES_ADD_INPUT"] = "+ 添加輸入";
-Blockly.Msg["IOS_PROCEDURES_ALLOW_STATEMENTS"] = "允許加入陳述式";
-Blockly.Msg["IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR"] = "此功能有多個輸入內容。";
-Blockly.Msg["IOS_PROCEDURES_INPUTS"] = "輸入";
-Blockly.Msg["IOS_VARIABLES_ADD_BUTTON"] = "添加";
-Blockly.Msg["IOS_VARIABLES_ADD_VARIABLE"] = "+ 添加變數";
-Blockly.Msg["IOS_VARIABLES_DELETE_BUTTON"] = "刪除";
-Blockly.Msg["IOS_VARIABLES_EMPTY_NAME_ERROR"] = "您不能使用空的變數名稱。";
-Blockly.Msg["IOS_VARIABLES_RENAME_BUTTON"] = "重新命名";
-Blockly.Msg["IOS_VARIABLES_VARIABLE_NAME"] = "變數名稱";
-Blockly.Msg["LISTS_CREATE_EMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-empty-list";  // untranslated
-Blockly.Msg["LISTS_CREATE_EMPTY_TITLE"] = "建立空的清單";
-Blockly.Msg["LISTS_CREATE_EMPTY_TOOLTIP"] = "返回一個長度（項目數量）為 0 的清單，不包含任何資料記錄";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TITLE_ADD"] = "清單";
-Blockly.Msg["LISTS_CREATE_WITH_CONTAINER_TOOLTIP"] = "添加、刪除或重新排列各部份以重新配置這個清單區塊。";
-Blockly.Msg["LISTS_CREATE_WITH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_CREATE_WITH_INPUT_WITH"] = "使用這些值建立清單";
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TOOLTIP"] = "添加一個項目到清單裡。";
-Blockly.Msg["LISTS_CREATE_WITH_TOOLTIP"] = "建立一個具備任意數量項目的清單。";
-Blockly.Msg["LISTS_GET_INDEX_FIRST"] = "第一筆";
-Blockly.Msg["LISTS_GET_INDEX_FROM_END"] = "倒數第 # 筆";
-Blockly.Msg["LISTS_GET_INDEX_FROM_START"] = "#";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_GET"] = "取得";
-Blockly.Msg["LISTS_GET_INDEX_GET_REMOVE"] = "取得並移除";
-Blockly.Msg["LISTS_GET_INDEX_LAST"] = "最後一筆";
-Blockly.Msg["LISTS_GET_INDEX_RANDOM"] = "隨機";
-Blockly.Msg["LISTS_GET_INDEX_REMOVE"] = "移除";
-Blockly.Msg["LISTS_GET_INDEX_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FIRST"] = "返回清單中的第一個項目。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_FROM"] = "返回在清單中指定位置的項目。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_LAST"] = "返回清單中的最後一個項目。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_RANDOM"] = "返回清單中隨機一個項目。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST"] = "移除並返回清單中的第一個項目。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM"] = "移除並返回清單中的指定位置的項目。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST"] = "移除並返回清單中的最後一個項目。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM"] = "移除並返回清單中的隨機項目。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST"] = "移除清單中的第一個項目。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM"] = "移除在清單中指定位置的項目。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST"] = "移除清單中的最後一個項目。";
-Blockly.Msg["LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM"] = "移除清單中隨機一個項目。";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_END"] = "到 # 倒數";
-Blockly.Msg["LISTS_GET_SUBLIST_END_FROM_START"] = "到 #";
-Blockly.Msg["LISTS_GET_SUBLIST_END_LAST"] = "到 最後面";
-Blockly.Msg["LISTS_GET_SUBLIST_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-a-sublist";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_START_FIRST"] = "取得子清單 從 最前面";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_END"] = "取得子清單 從 # 倒數";
-Blockly.Msg["LISTS_GET_SUBLIST_START_FROM_START"] = "取得子清單 從 #";
-Blockly.Msg["LISTS_GET_SUBLIST_TAIL"] = "";  // untranslated
-Blockly.Msg["LISTS_GET_SUBLIST_TOOLTIP"] = "複製清單中指定的部分。";
-Blockly.Msg["LISTS_INDEX_FROM_END_TOOLTIP"] = "%1 是最後一個項目。";
-Blockly.Msg["LISTS_INDEX_FROM_START_TOOLTIP"] = "%1 是第一個項目。";
-Blockly.Msg["LISTS_INDEX_OF_FIRST"] = "從 最前面 索引項目";
-Blockly.Msg["LISTS_INDEX_OF_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list";  // untranslated
-Blockly.Msg["LISTS_INDEX_OF_LAST"] = "從 最後面 索引項目";
-Blockly.Msg["LISTS_INDEX_OF_TOOLTIP"] = "在清單中檢索是否有包含項目，如果有，返回從頭/倒數算起的索引值。如果沒有則返回 %1。";
-Blockly.Msg["LISTS_INLIST"] = "自清單";
-Blockly.Msg["LISTS_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#is-empty";  // untranslated
-Blockly.Msg["LISTS_ISEMPTY_TITLE"] = "%1 值為空";
-Blockly.Msg["LISTS_ISEMPTY_TOOLTIP"] = "如果該清單為空，則返回 true。";
-Blockly.Msg["LISTS_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#length-of";  // untranslated
-Blockly.Msg["LISTS_LENGTH_TITLE"] = "長度 %1";
-Blockly.Msg["LISTS_LENGTH_TOOLTIP"] = "返回清單的長度（項目數）。";
-Blockly.Msg["LISTS_REPEAT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#create-list-with";  // untranslated
-Blockly.Msg["LISTS_REPEAT_TITLE"] = "建立清單使用項目 %1 重複 %2 次";
-Blockly.Msg["LISTS_REPEAT_TOOLTIP"] = "建立一個清單，項目中包含指定重複次數的值。";
-Blockly.Msg["LISTS_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#reversing-a-list";
-Blockly.Msg["LISTS_REVERSE_MESSAGE0"] = "反轉%1";
-Blockly.Msg["LISTS_REVERSE_TOOLTIP"] = "反轉清單的複製內容。";
-Blockly.Msg["LISTS_SET_INDEX_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#in-list--set";  // untranslated
-Blockly.Msg["LISTS_SET_INDEX_INPUT_TO"] = "為";
-Blockly.Msg["LISTS_SET_INDEX_INSERT"] = "添加";
-Blockly.Msg["LISTS_SET_INDEX_SET"] = "設定";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST"] = "添加一個項目到清單中的第一個位置。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_FROM"] = "添加一個項目到清單中的指定位置。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_LAST"] = "添加一個項目到清單中的最後一個位置。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM"] = "添加一個項目到清單中的隨機位置。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FIRST"] = "設定清單中的第一個項目。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_FROM"] = "設定清單中指定位置的項目。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_LAST"] = "設定清單中的最後一個項目。";
-Blockly.Msg["LISTS_SET_INDEX_TOOLTIP_SET_RANDOM"] = "設定清單中隨機一個項目。";
-Blockly.Msg["LISTS_SORT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#sorting-a-list";
-Blockly.Msg["LISTS_SORT_ORDER_ASCENDING"] = "升序";
-Blockly.Msg["LISTS_SORT_ORDER_DESCENDING"] = "降序";
-Blockly.Msg["LISTS_SORT_TITLE"] = "排列 %1 %2 %3";
-Blockly.Msg["LISTS_SORT_TOOLTIP"] = "排序清單的複製內容。";
-Blockly.Msg["LISTS_SORT_TYPE_IGNORECASE"] = "依字母排序，忽略大小寫";
-Blockly.Msg["LISTS_SORT_TYPE_NUMERIC"] = "依數字";
-Blockly.Msg["LISTS_SORT_TYPE_TEXT"] = "依字母";
-Blockly.Msg["LISTS_SPLIT_HELPURL"] = "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists";  // untranslated
-Blockly.Msg["LISTS_SPLIT_LIST_FROM_TEXT"] = "從文本製作清單";
-Blockly.Msg["LISTS_SPLIT_TEXT_FROM_LIST"] = "從清單拆出文本";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_JOIN"] = "串起清單項目成一個文本，並用分隔符號分開。";
-Blockly.Msg["LISTS_SPLIT_TOOLTIP_SPLIT"] = "將文本變成清單項目，按分隔符號拆分。";
-Blockly.Msg["LISTS_SPLIT_WITH_DELIMITER"] = "用分隔符";
-Blockly.Msg["LOGIC_BOOLEAN_FALSE"] = "假";
-Blockly.Msg["LOGIC_BOOLEAN_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#values";  // untranslated
-Blockly.Msg["LOGIC_BOOLEAN_TOOLTIP"] = "返回真或假。";
-Blockly.Msg["LOGIC_BOOLEAN_TRUE"] = "真";
-Blockly.Msg["LOGIC_COMPARE_HELPURL"] = "https://zh.wikipedia.org/wiki/不等";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_EQ"] = "如果這兩個輸入區塊的結果相等，返回 true。";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GT"] = "如果第一個輸入結果大於第二個，返回 true。";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_GTE"] = "如果第一個輸入結果大於或等於第二個，返回 true。";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LT"] = "如果第一個輸入結果比第二個小，返回 true。";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_LTE"] = "如果第一個輸入結果小於或等於第二個，返回 true。";
-Blockly.Msg["LOGIC_COMPARE_TOOLTIP_NEQ"] = "如果這兩個輸入區塊的結果不相等，返回 true。";
-Blockly.Msg["LOGIC_NEGATE_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#not";  // untranslated
-Blockly.Msg["LOGIC_NEGATE_TITLE"] = "%1 不成立";
-Blockly.Msg["LOGIC_NEGATE_TOOLTIP"] = "如果輸入結果是 false，則返回 true。如果輸入結果是 true，則返回 false。";
-Blockly.Msg["LOGIC_NULL"] = "空";
-Blockly.Msg["LOGIC_NULL_HELPURL"] = "https://en.wikipedia.org/wiki/Nullable_type";  // untranslated
-Blockly.Msg["LOGIC_NULL_TOOLTIP"] = "返回空值。";
-Blockly.Msg["LOGIC_OPERATION_AND"] = "和";
-Blockly.Msg["LOGIC_OPERATION_HELPURL"] = "https://github.com/google/blockly/wiki/Logic#logical-operations";  // untranslated
-Blockly.Msg["LOGIC_OPERATION_OR"] = "或";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_AND"] = "如果兩個輸入結果都為 true，則返回 true。";
-Blockly.Msg["LOGIC_OPERATION_TOOLTIP_OR"] = "如果至少一個輸入結果為 true，返回 true。";
-Blockly.Msg["LOGIC_TERNARY_CONDITION"] = "測試";
-Blockly.Msg["LOGIC_TERNARY_HELPURL"] = "https://zh.wikipedia.org/wiki/條件運算符";
-Blockly.Msg["LOGIC_TERNARY_IF_FALSE"] = "如果為假";
-Blockly.Msg["LOGIC_TERNARY_IF_TRUE"] = "如果為真";
-Blockly.Msg["LOGIC_TERNARY_TOOLTIP"] = "檢查「測試」中的條件。如果條件為真，將返回「如果為真」的值；否則，返回「如果為假」的值。";
-Blockly.Msg["MATH_ADDITION_SYMBOL"] = "+";  // untranslated
-Blockly.Msg["MATH_ARITHMETIC_HELPURL"] = "https://zh.wikipedia.org/wiki/算術";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_ADD"] = "返回兩個數字的總和。";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_DIVIDE"] = "返回兩個數字的商。";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MINUS"] = "返回兩個數字的差。";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_MULTIPLY"] = "返回兩個數字的乘積。";
-Blockly.Msg["MATH_ARITHMETIC_TOOLTIP_POWER"] = "返回第二個數字的指數的第一個數字。";
-Blockly.Msg["MATH_ATAN2_HELPURL"] = "https://zh.wikipedia.org/wiki/Atan2";
-Blockly.Msg["MATH_ATAN2_TITLE"] = "X:%1 Y:%2 的 Atan2";
-Blockly.Msg["MATH_ATAN2_TOOLTIP"] = "回傳點（X，Y）從 -180 至 180 度的反正切值。";
-Blockly.Msg["MATH_CHANGE_HELPURL"] = "https://zh.wikipedia.org/wiki/加法";
-Blockly.Msg["MATH_CHANGE_TITLE"] = "修改 %1 自 %2";
-Blockly.Msg["MATH_CHANGE_TOOLTIP"] = "將數字加到變數「%1」。";
-Blockly.Msg["MATH_CONSTANT_HELPURL"] = "https://zh.wikipedia.org/wiki/數學常數";
-Blockly.Msg["MATH_CONSTANT_TOOLTIP"] = "返回一個的常見常量： π (3.141......)，e (2.718...)、 φ (1.618...)、 開方(2) (1.414......)、 開方(½) (0.707......) 或 ∞ （無窮大）。";
-Blockly.Msg["MATH_CONSTRAIN_HELPURL"] = "https://en.wikipedia.org/wiki/Clamping_(graphics)";  // untranslated
-Blockly.Msg["MATH_CONSTRAIN_TITLE"] = "限制數字 %1 介於（低）%2 到（高）%3";
-Blockly.Msg["MATH_CONSTRAIN_TOOLTIP"] = "限制數字介於兩個指定的數字之間（包含）。";
-Blockly.Msg["MATH_DIVISION_SYMBOL"] = "÷";  // untranslated
-Blockly.Msg["MATH_IS_DIVISIBLE_BY"] = "可被整除";
-Blockly.Msg["MATH_IS_EVEN"] = "是偶數";
-Blockly.Msg["MATH_IS_NEGATIVE"] = "是負數";
-Blockly.Msg["MATH_IS_ODD"] = "是奇數";
-Blockly.Msg["MATH_IS_POSITIVE"] = "是正值";
-Blockly.Msg["MATH_IS_PRIME"] = "是質數";
-Blockly.Msg["MATH_IS_TOOLTIP"] = "如果數字是偶數，奇數，非負整數，正數、 負數，或如果它是可被某數字整除，則返回 true 或 false。";
-Blockly.Msg["MATH_IS_WHOLE"] = "是整數";
-Blockly.Msg["MATH_MODULO_HELPURL"] = "https://zh.wikipedia.org/wiki/模除";
-Blockly.Msg["MATH_MODULO_TITLE"] = "%1 除以 %2 的餘數";
-Blockly.Msg["MATH_MODULO_TOOLTIP"] = "回傳兩個數字相除的餘數。";
-Blockly.Msg["MATH_MULTIPLICATION_SYMBOL"] = "×";  // untranslated
-Blockly.Msg["MATH_NUMBER_HELPURL"] = "https://zh.wikipedia.org/wiki/數";
-Blockly.Msg["MATH_NUMBER_TOOLTIP"] = "一個數字。";
-Blockly.Msg["MATH_ONLIST_HELPURL"] = "";  // untranslated
-Blockly.Msg["MATH_ONLIST_OPERATOR_AVERAGE"] = "平均數 自清單";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MAX"] = "最大值 自清單";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MEDIAN"] = "中位數 自清單";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MIN"] = "最小值 自清單";
-Blockly.Msg["MATH_ONLIST_OPERATOR_MODE"] = "比較眾數 自清單";
-Blockly.Msg["MATH_ONLIST_OPERATOR_RANDOM"] = "隨機抽取 自清單";
-Blockly.Msg["MATH_ONLIST_OPERATOR_STD_DEV"] = "標準差 自清單";
-Blockly.Msg["MATH_ONLIST_OPERATOR_SUM"] = "數字總和 自清單";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_AVERAGE"] = "返回清單中數值的平均值（算術平均值）。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MAX"] = "返回清單項目中最大的數字。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MEDIAN"] = "返回清單中數值的中位數。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MIN"] = "返回清單項目中最小的數字。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_MODE"] = "返回一個清單中的最常見的項目。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_RANDOM"] = "從清單中返回一個隨機的項目。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_STD_DEV"] = "返回清單中數字的標準差。";
-Blockly.Msg["MATH_ONLIST_TOOLTIP_SUM"] = "返回清單中的所有數字的總和。";
-Blockly.Msg["MATH_POWER_SYMBOL"] = "^";  // untranslated
-Blockly.Msg["MATH_RANDOM_FLOAT_HELPURL"] = "https://zh.wikipedia.org/wiki/隨機數生成器";
-Blockly.Msg["MATH_RANDOM_FLOAT_TITLE_RANDOM"] = "隨機取分數";
-Blockly.Msg["MATH_RANDOM_FLOAT_TOOLTIP"] = "在 0.0（包含）和 1.0（不包含）之間隨機取一個數。";
-Blockly.Msg["MATH_RANDOM_INT_HELPURL"] = "https://zh.wikipedia.org/wiki/隨機數生成器";
-Blockly.Msg["MATH_RANDOM_INT_TITLE"] = "隨機取數 %1 到 %2";
-Blockly.Msg["MATH_RANDOM_INT_TOOLTIP"] = "在指定二個數之間隨機取一個數（包含）。";
-Blockly.Msg["MATH_ROUND_HELPURL"] = "https://zh.wikipedia.org/wiki/數值簡化";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUND"] = "四捨五入";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDDOWN"] = "無條件捨去";
-Blockly.Msg["MATH_ROUND_OPERATOR_ROUNDUP"] = "無條件進位";
-Blockly.Msg["MATH_ROUND_TOOLTIP"] = "將數字無條件進位或無條件捨去。";
-Blockly.Msg["MATH_SINGLE_HELPURL"] = "https://zh.wikipedia.org/wiki/平方根";
-Blockly.Msg["MATH_SINGLE_OP_ABSOLUTE"] = "絕對值";
-Blockly.Msg["MATH_SINGLE_OP_ROOT"] = "開根號";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ABS"] = "返回指定數字的絕對值。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_EXP"] = "返回指定數字指數的e的冪次。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LN"] = "返回指定數字的自然對數。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_LOG10"] = "返回指定數字的對數。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_NEG"] = "返回指定數字的相反數。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_POW10"] = "返回指定數字指數的10的冪次。";
-Blockly.Msg["MATH_SINGLE_TOOLTIP_ROOT"] = "返回指定數字的平方根。";
-Blockly.Msg["MATH_SUBTRACTION_SYMBOL"] = "-";  // untranslated
-Blockly.Msg["MATH_TRIG_ACOS"] = "acos";  // untranslated
-Blockly.Msg["MATH_TRIG_ASIN"] = "asin";  // untranslated
-Blockly.Msg["MATH_TRIG_ATAN"] = "atan";  // untranslated
-Blockly.Msg["MATH_TRIG_COS"] = "cos";  // untranslated
-Blockly.Msg["MATH_TRIG_HELPURL"] = "https://zh.wikipedia.org/wiki/三角函數";
-Blockly.Msg["MATH_TRIG_SIN"] = "sin";  // untranslated
-Blockly.Msg["MATH_TRIG_TAN"] = "tan";  // untranslated
-Blockly.Msg["MATH_TRIG_TOOLTIP_ACOS"] = "返回指定角度的反餘弦值(非弧度）。";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ASIN"] = "返回指定角度的反正弦值(非弧度）。";
-Blockly.Msg["MATH_TRIG_TOOLTIP_ATAN"] = "返回指定角度的反正切值。";
-Blockly.Msg["MATH_TRIG_TOOLTIP_COS"] = "返回指定角度的餘弦值(非弧度）。";
-Blockly.Msg["MATH_TRIG_TOOLTIP_SIN"] = "返回指定角度的正弦值(非弧度）。";
-Blockly.Msg["MATH_TRIG_TOOLTIP_TAN"] = "返回指定角度的正切值(非弧度）。";
-Blockly.Msg["NEW_COLOUR_VARIABLE"] = "建立顏色變數……";
-Blockly.Msg["NEW_NUMBER_VARIABLE"] = "建立數值變數……";
-Blockly.Msg["NEW_STRING_VARIABLE"] = "建立字串變數……";
-Blockly.Msg["NEW_VARIABLE"] = "建立變數…";
-Blockly.Msg["NEW_VARIABLE_TITLE"] = "新變數名稱：";
-Blockly.Msg["NEW_VARIABLE_TYPE_TITLE"] = "新變數類型：";
-Blockly.Msg["ORDINAL_NUMBER_SUFFIX"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_ALLOW_STATEMENTS"] = "允許陳述式";
-Blockly.Msg["PROCEDURES_BEFORE_PARAMS"] = "與：";
-Blockly.Msg["PROCEDURES_CALLNORETURN_HELPURL"] = "https://zh.wikipedia.org/wiki/子程式";
-Blockly.Msg["PROCEDURES_CALLNORETURN_TOOLTIP"] = "執行使用者定義的函式「%1」。";
-Blockly.Msg["PROCEDURES_CALLRETURN_HELPURL"] = "https://zh.wikipedia.org/wiki/%E5%AD%90%E7%A8%8B%E5%BA%8F";
-Blockly.Msg["PROCEDURES_CALLRETURN_TOOLTIP"] = "執行使用者定義的函式「%1」，並使用它的回傳值。";
-Blockly.Msg["PROCEDURES_CALL_BEFORE_PARAMS"] = "與：";
-Blockly.Msg["PROCEDURES_CREATE_DO"] = "建立「%1」";
-Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"] = "描述此函式...";
-Blockly.Msg["PROCEDURES_DEFNORETURN_DO"] = "";  // untranslated
-Blockly.Msg["PROCEDURES_DEFNORETURN_HELPURL"] = "https://zh.wikipedia.org/wiki/子程式";
-Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"] = "做些什麼";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"] = "到";
-Blockly.Msg["PROCEDURES_DEFNORETURN_TOOLTIP"] = "創建一個無回傳值的函式。";
-Blockly.Msg["PROCEDURES_DEFRETURN_HELPURL"] = "https://zh.wikipedia.org/wiki/子程式";
-Blockly.Msg["PROCEDURES_DEFRETURN_RETURN"] = "返回";
-Blockly.Msg["PROCEDURES_DEFRETURN_TOOLTIP"] = "創建一個有回傳值的的函式。";
-Blockly.Msg["PROCEDURES_DEF_DUPLICATE_WARNING"] = "警告: 此函式中有重複的參數。";
-Blockly.Msg["PROCEDURES_HIGHLIGHT_DEF"] = "反白顯示函式定義";
-Blockly.Msg["PROCEDURES_IFRETURN_HELPURL"] = "http://c2.com/cgi/wiki?GuardClause";  // untranslated
-Blockly.Msg["PROCEDURES_IFRETURN_TOOLTIP"] = "如果值為 true，則返回第二個值。";
-Blockly.Msg["PROCEDURES_IFRETURN_WARNING"] = "警告：這個區塊只可以在定義函式時使用。";
-Blockly.Msg["PROCEDURES_MUTATORARG_TITLE"] = "輸入名稱：";
-Blockly.Msg["PROCEDURES_MUTATORARG_TOOLTIP"] = "添加一個輸入區塊到函式。";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TITLE"] = "輸入";
-Blockly.Msg["PROCEDURES_MUTATORCONTAINER_TOOLTIP"] = "添加、刪除或重新排列此函式的輸入。";
-Blockly.Msg["REDO"] = "重做";
-Blockly.Msg["REMOVE_COMMENT"] = "移除註解";
-Blockly.Msg["RENAME_VARIABLE"] = "重新命名變數...";
-Blockly.Msg["RENAME_VARIABLE_TITLE"] = "將所有「%1」變數重新命名為：";
-Blockly.Msg["TEXT_APPEND_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_APPEND_TITLE"] = "至 %1 套用文字 %2";
-Blockly.Msg["TEXT_APPEND_TOOLTIP"] = "添加一些文字到變數「%1」之後。";
-Blockly.Msg["TEXT_CHANGECASE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#adjusting-text-case";  // untranslated
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_LOWERCASE"] = "轉成 英文小寫";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_TITLECASE"] = "轉成 英文首字大寫";
-Blockly.Msg["TEXT_CHANGECASE_OPERATOR_UPPERCASE"] = "轉成 英文大寫";
-Blockly.Msg["TEXT_CHANGECASE_TOOLTIP"] = "使用不同的大小寫複製這段文字。";
-Blockly.Msg["TEXT_CHARAT_FIRST"] = "取得 第一個字元";
-Blockly.Msg["TEXT_CHARAT_FROM_END"] = "取得 倒數第 # 個字元";
-Blockly.Msg["TEXT_CHARAT_FROM_START"] = "取得 字元 #";
-Blockly.Msg["TEXT_CHARAT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-text";  // untranslated
-Blockly.Msg["TEXT_CHARAT_LAST"] = "取得 最後一個字元";
-Blockly.Msg["TEXT_CHARAT_RANDOM"] = "取得 任意字元";
-Blockly.Msg["TEXT_CHARAT_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_CHARAT_TITLE"] = "在文字 %1 %2";
-Blockly.Msg["TEXT_CHARAT_TOOLTIP"] = "返回位於指定位置的字元。";
-Blockly.Msg["TEXT_COUNT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#counting-substrings";
-Blockly.Msg["TEXT_COUNT_MESSAGE0"] = "在%2計算%1";
-Blockly.Msg["TEXT_COUNT_TOOLTIP"] = "計算某些文字在內容裡的出現次數。";
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TOOLTIP"] = "添加一個項目到字串中。";
-Blockly.Msg["TEXT_CREATE_JOIN_TITLE_JOIN"] = "加入";
-Blockly.Msg["TEXT_CREATE_JOIN_TOOLTIP"] = "添加、刪除或重新排列各部份以重新配置這個文字區塊。";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_END"] = "到 倒數第 # 個字元";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_FROM_START"] = "到 字元 #";
-Blockly.Msg["TEXT_GET_SUBSTRING_END_LAST"] = "到 最後一個字元";
-Blockly.Msg["TEXT_GET_SUBSTRING_HELPURL"] = "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_INPUT_IN_TEXT"] = "在字串";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FIRST"] = "取得 第一個字元";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_END"] = "取得 倒數第 # 個字元";
-Blockly.Msg["TEXT_GET_SUBSTRING_START_FROM_START"] = "取得 字元 #";
-Blockly.Msg["TEXT_GET_SUBSTRING_TAIL"] = "";  // untranslated
-Blockly.Msg["TEXT_GET_SUBSTRING_TOOLTIP"] = "返回指定的部分文字。";
-Blockly.Msg["TEXT_INDEXOF_HELPURL"] = "https://github.com/google/blockly/wiki/Text#finding-text";  // untranslated
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_FIRST"] = "從 最前面 索引字串";
-Blockly.Msg["TEXT_INDEXOF_OPERATOR_LAST"] = "從 最後面 索引字串";
-Blockly.Msg["TEXT_INDEXOF_TITLE"] = "在文字 %1 %2 %3";
-Blockly.Msg["TEXT_INDEXOF_TOOLTIP"] = "在字串1中檢索是否有包含字串2，如果有，返回從頭/倒數算起的索引值。如果沒有則返回 %1。";
-Blockly.Msg["TEXT_ISEMPTY_HELPURL"] = "https://github.com/google/blockly/wiki/Text#checking-for-empty-text";  // untranslated
-Blockly.Msg["TEXT_ISEMPTY_TITLE"] = "%1 為空";
-Blockly.Msg["TEXT_ISEMPTY_TOOLTIP"] = "如果提供的字串為空，則返回 true。";
-Blockly.Msg["TEXT_JOIN_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-creation";  // untranslated
-Blockly.Msg["TEXT_JOIN_TITLE_CREATEWITH"] = "字串組合";
-Blockly.Msg["TEXT_JOIN_TOOLTIP"] = "通過連接任意數量的項目來建立一串文字。";
-Blockly.Msg["TEXT_LENGTH_HELPURL"] = "https://github.com/google/blockly/wiki/Text#text-modification";  // untranslated
-Blockly.Msg["TEXT_LENGTH_TITLE"] = "長度 %1";
-Blockly.Msg["TEXT_LENGTH_TOOLTIP"] = "返回這串文字的字元數（包含空格）。";
-Blockly.Msg["TEXT_PRINT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#printing-text";  // untranslated
-Blockly.Msg["TEXT_PRINT_TITLE"] = "輸出 %1";
-Blockly.Msg["TEXT_PRINT_TOOLTIP"] = "輸出指定的文字、 數字或其他值。";
-Blockly.Msg["TEXT_PROMPT_HELPURL"] = "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user";  // untranslated
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_NUMBER"] = "輸入數字";
-Blockly.Msg["TEXT_PROMPT_TOOLTIP_TEXT"] = "輸入文字";
-Blockly.Msg["TEXT_PROMPT_TYPE_NUMBER"] = "輸入 數字 並顯示提示訊息";
-Blockly.Msg["TEXT_PROMPT_TYPE_TEXT"] = "輸入 文字 並顯示提示訊息";
-Blockly.Msg["TEXT_REPLACE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#replacing-substrings";
-Blockly.Msg["TEXT_REPLACE_MESSAGE0"] = "在%3以%2取代%1";
-Blockly.Msg["TEXT_REPLACE_TOOLTIP"] = "取代在內容裡的全部某些文字。";
-Blockly.Msg["TEXT_REVERSE_HELPURL"] = "https://github.com/google/blockly/wiki/Text#reversing-text";
-Blockly.Msg["TEXT_REVERSE_MESSAGE0"] = "反轉%1";
-Blockly.Msg["TEXT_REVERSE_TOOLTIP"] = "反轉排序在文字裡的字元。";
-Blockly.Msg["TEXT_TEXT_HELPURL"] = "https://zh.wikipedia.org/wiki/字串";
-Blockly.Msg["TEXT_TEXT_TOOLTIP"] = "一個字元、一個單詞，或一串文字。";
-Blockly.Msg["TEXT_TRIM_HELPURL"] = "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces";  // untranslated
-Blockly.Msg["TEXT_TRIM_OPERATOR_BOTH"] = "消除兩側空格";
-Blockly.Msg["TEXT_TRIM_OPERATOR_LEFT"] = "消除左側空格";
-Blockly.Msg["TEXT_TRIM_OPERATOR_RIGHT"] = "消除右側空格";
-Blockly.Msg["TEXT_TRIM_TOOLTIP"] = "複製這段文字，同時刪除兩端多餘的空格。";
-Blockly.Msg["TODAY"] = "今天";
-Blockly.Msg["UNDO"] = "還原";
-Blockly.Msg["UNNAMED_KEY"] = "未命名";
-Blockly.Msg["VARIABLES_DEFAULT_NAME"] = "項目";
-Blockly.Msg["VARIABLES_GET_CREATE_SET"] = "建立「賦值 %1」";
-Blockly.Msg["VARIABLES_GET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#get";  // untranslated
-Blockly.Msg["VARIABLES_GET_TOOLTIP"] = "返回此變數的值。";
-Blockly.Msg["VARIABLES_SET"] = "賦值 %1 成 %2";
-Blockly.Msg["VARIABLES_SET_CREATE_GET"] = "建立「取得 %1」";
-Blockly.Msg["VARIABLES_SET_HELPURL"] = "https://github.com/google/blockly/wiki/Variables#set";  // untranslated
-Blockly.Msg["VARIABLES_SET_TOOLTIP"] = "設定此變數，好和輸入結果相等。";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS"] = "已存在變數「%1」。";
-Blockly.Msg["VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE"] = "已存在名為「%1」，且用於其它類型「%2」的變數。";
-Blockly.Msg["WORKSPACE_ARIA_LABEL"] = "Blockly工作區";
-Blockly.Msg["WORKSPACE_COMMENT_DEFAULT_TEXT"] = "來說些事情...";
-Blockly.Msg["CONTROLS_FOREACH_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_FOR_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_IF_ELSEIF_TITLE_ELSEIF"] = Blockly.Msg["CONTROLS_IF_MSG_ELSEIF"];
-Blockly.Msg["CONTROLS_IF_ELSE_TITLE_ELSE"] = Blockly.Msg["CONTROLS_IF_MSG_ELSE"];
-Blockly.Msg["CONTROLS_IF_IF_TITLE_IF"] = Blockly.Msg["CONTROLS_IF_MSG_IF"];
-Blockly.Msg["CONTROLS_IF_MSG_THEN"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["CONTROLS_WHILEUNTIL_INPUT_DO"] = Blockly.Msg["CONTROLS_REPEAT_INPUT_DO"];
-Blockly.Msg["LISTS_CREATE_WITH_ITEM_TITLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["LISTS_GET_INDEX_HELPURL"] = Blockly.Msg["LISTS_INDEX_OF_HELPURL"];
-Blockly.Msg["LISTS_GET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_GET_SUBLIST_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_INDEX_OF_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["LISTS_SET_INDEX_INPUT_IN_LIST"] = Blockly.Msg["LISTS_INLIST"];
-Blockly.Msg["MATH_CHANGE_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["PROCEDURES_DEFRETURN_COMMENT"] = Blockly.Msg["PROCEDURES_DEFNORETURN_COMMENT"];
-Blockly.Msg["PROCEDURES_DEFRETURN_DO"] = Blockly.Msg["PROCEDURES_DEFNORETURN_DO"];
-Blockly.Msg["PROCEDURES_DEFRETURN_PROCEDURE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_PROCEDURE"];
-Blockly.Msg["PROCEDURES_DEFRETURN_TITLE"] = Blockly.Msg["PROCEDURES_DEFNORETURN_TITLE"];
-Blockly.Msg["TEXT_APPEND_VARIABLE"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-Blockly.Msg["TEXT_CREATE_JOIN_ITEM_TITLE_ITEM"] = Blockly.Msg["VARIABLES_DEFAULT_NAME"];
-
-Blockly.Msg["MATH_HUE"] = "230";
-Blockly.Msg["LOOPS_HUE"] = "120";
-Blockly.Msg["LISTS_HUE"] = "260";
-Blockly.Msg["LOGIC_HUE"] = "210";
-Blockly.Msg["VARIABLES_HUE"] = "330";
-Blockly.Msg["TEXTS_HUE"] = "160";
-Blockly.Msg["PROCEDURES_HUE"] = "290";
-Blockly.Msg["COLOUR_HUE"] = "20";
-Blockly.Msg["VARIABLES_DYNAMIC_HUE"] = "310";
\ No newline at end of file
diff --git a/msg/json/README.md b/msg/json/README.md
new file mode 100644
index 00000000000..e2b891e7e34
--- /dev/null
+++ b/msg/json/README.md
@@ -0,0 +1,33 @@
+# Blockly
+
+## Messages
+
+This directory contains "messages" files, which are JSON-format files
+containing human-translated strings that are needed by Blockly.
+
+### Translating
+
+**We do not accept pull requests for files in this directory**.
+Instead, we use [Translatewiki](https://translatewiki.net/) to manage
+translations for Blockly.  Please refer to [the detailed instructions
+on how to help us translate Blockly](
+https://developers.google.com/blockly/guides/contribute/core/translating)
+on the Blockly Developers site.
+
+There is one notable exception: because the language is not supported
+by Translatewiki, contributors to the [Klingon translation](
+https://developers.google.com/blockly/guides/contribute/core/klingon)
+may submit PRs making changes to [`tlh.json`](tlh.json) directly.
+
+### Building
+
+Blockly cannot use the files in this directory directly.  Instead,
+they must first be converted into executable `.js` files we call
+"langfiles".  This is done automatically as needed by the build
+system, but you can also run this build step manually by invoking `npm
+run langfiles`; the output will be found in `build/msg/`.
+
+## Additional Information
+
+For more information about Blockly, see [the main Blockly README](
+../../README.md).
diff --git a/msg/json/ab.json b/msg/json/ab.json
index 98771d4f93d..8ab782a4f03 100644
--- a/msg/json/ab.json
+++ b/msg/json/ab.json
@@ -1,6 +1,7 @@
 {
 	"@metadata": {
 		"authors": [
+			"Pupsik-ipa",
 			"Абухба Андрей",
 			"Андрей"
 		]
@@ -16,33 +17,33 @@
 	"CLEAN_UP": "Иқәгатәуп аблокқәа",
 	"COLLAPSE_BLOCK": "Иеикәрҳәтәуп Аблокқәа",
 	"COLLAPSE_ALL": "Иеикәрҳәтәуп Аблокқәа",
-	"EXPAND_BLOCK": "Иаарҧштәуп Аблокқәа",
-	"EXPAND_ALL": "Иаарҧштәуп Аблокқәа",
+	"EXPAND_BLOCK": "Иаарԥштәуп Аблокқәа",
+	"EXPAND_ALL": "Иаарԥштәуп Аблокқәа",
 	"DISABLE_BLOCK": "Иаҿыхтәуп Аблок",
 	"ENABLE_BLOCK": "Иаҿыхтәуп Аблокқәа",
 	"HELP": "Ацхыраара",
 	"UNDO": "Иаҟәыхтәуп",
 	"REDO": "Аиҭаҟаҵара",
-	"CHANGE_VALUE_TITLE": "Ишәыҧсах аҵакы",
-	"RENAME_VARIABLE": "Аҽеиҭак ахьӡ ҧсахтәуп",
-	"RENAME_VARIABLE_TITLE": "Аҽеиҭакқәа'%1' зегь рыхьӡ ҧсахтәуп аҟны:",
-	"NEW_VARIABLE": "Иаҧҵатәуп аҽеиҭак",
+	"CHANGE_VALUE_TITLE": "Ишәыԥсах аҵакы",
+	"RENAME_VARIABLE": "Аҽеиҭак ахьӡ ԥсахтәуп",
+	"RENAME_VARIABLE_TITLE": "Аҽеиҭакқәа'%1' зегь рыхьӡ ԥсахтәуп аҟны:",
+	"NEW_VARIABLE": "Иаԥҵатәуп аҽеиҭак",
 	"NEW_VARIABLE_TITLE": "Аҽеиҭак ахьӡ ҿыц:",
 	"VARIABLE_ALREADY_EXISTS": "Аҽеиҭак ахьӡ '%1' змоу ыҟоуп.",
 	"DELETE_VARIABLE": "Ианыхтәуп аҽеиҭак '%1'",
-	"COLOUR_PICKER_HELPURL": "https://ru.wikipedia.org/wiki/Аҧштәы",
-	"COLOUR_PICKER_TOOLTIP": "Иалышәх аҧштәы",
-	"COLOUR_RANDOM_TITLE": "иарбанзаалакь аҧштәы",
-	"COLOUR_RANDOM_TOOLTIP": "Иалнахуеит аҧштәы машәыршақә",
-	"COLOUR_RGB_TITLE": "аҧштәы аҟынтәи",
-	"COLOUR_RGB_RED": "аҟаҧшь",
+	"COLOUR_PICKER_HELPURL": "https://ab.wikipedia.org/wiki/Аԥштәы",
+	"COLOUR_PICKER_TOOLTIP": "Иалышәх аԥштәы",
+	"COLOUR_RANDOM_TITLE": "иарбанзаалакь аԥштәы",
+	"COLOUR_RANDOM_TOOLTIP": "Иалнахуеит аԥштәы машәыршақә",
+	"COLOUR_RGB_TITLE": "аԥштәы аҟынтәи",
+	"COLOUR_RGB_RED": "аҟаԥшь",
 	"COLOUR_RGB_GREEN": "аиаҵәа",
-	"COLOUR_RGB_BLUE": "жәҩангәҧштәы",
+	"COLOUR_RGB_BLUE": "жәҩангәԥштәы",
 	"COLOUR_BLEND_TITLE": "еилаҵатәуп",
-	"COLOUR_BLEND_COLOUR1": "аҧштәы 1",
-	"COLOUR_BLEND_COLOUR2": "аҧштәы 2",
-	"COLOUR_BLEND_RATIO": "аҧштәы 1 ахәҭа",
-	"CONTROLS_REPEAT_HELPURL": "https://ru.wikipedia.org/wiki/Ацикл_(апрограммаркра)",
+	"COLOUR_BLEND_COLOUR1": "аԥштәы 1",
+	"COLOUR_BLEND_COLOUR2": "аԥштәы 2",
+	"COLOUR_BLEND_RATIO": "аԥштәы 1 ахәҭа",
+	"CONTROLS_REPEAT_HELPURL": "https://ab.wikipedia.org/wiki/Ацикл",
 	"CONTROLS_REPEAT_TITLE": "инагӡалатәуп %1 - нтә",
 	"CONTROLS_REPEAT_INPUT_DO": "инагӡатәуп",
 	"CONTROLS_REPEAT_TOOLTIP": "Инанагӡоит акомандақәа кырынтә",
@@ -61,18 +62,6 @@
 	"CONTROLS_IF_MSG_ELSEIF": "акәымзар",
 	"CONTROLS_IF_MSG_ELSE": "акәымзар",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Иацнаҵоит аҭагыазаашьа аблок \"акәзар\" ахь",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Аҟәыхра",
-	"IOS_ERROR": "Агха",
-	"IOS_PROCEDURES_INPUTS": "Аҭаларҭа",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Иацҵатәуп аҭагаларатә ҽеиҭак",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Аоператорқәа азин рыҭара",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Иацҵатәуп аҽеиҭак",
-	"IOS_VARIABLES_ADD_BUTTON": "Иацҵатәуп",
-	"IOS_VARIABLES_RENAME_BUTTON": "Ахьӡ аҧсахра",
-	"IOS_VARIABLES_DELETE_BUTTON": "Ианыхтәуп",
-	"IOS_VARIABLES_VARIABLE_NAME": "Аҽеиҭак ахьӡ",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Шәара ишәылшом аҽеиҭак азы иҭацәу ахьӡ ахархәара",
 	"LOGIC_COMPARE_HELPURL": "https://ru.wikipedia.org/wiki/Аиҟарамра",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Иҳанаҭоит иҵоуроу аҵакы, иҭагалақәоу еиҟаразар.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Иҳанаҭоит иҵоуроу аҵакы, иҭагалақәоу еиҟарамзар.",
@@ -94,27 +83,27 @@
 	"LOGIC_TERNARY_CONDITION": "иалхтәуп ала",
 	"LOGIC_TERNARY_IF_TRUE": "аиаша акәзар",
 	"LOGIC_TERNARY_IF_FALSE": "амц акәзар",
-	"MATH_NUMBER_HELPURL": "https://ru.wikipedia.org/wiki/Ахыҧхьаӡара",
-	"MATH_NUMBER_TOOLTIP": "Ахыҧхьаӡара.",
-	"MATH_ARITHMETIC_HELPURL": "https://ru.wikipedia.org/wiki/Арифметика",
-	"MATH_ARITHMETIC_TOOLTIP_ADD": "Иҳанаҭоит ҩ-хыҧхьаӡарак реицҵалыҵ.",
-	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Иҳанаҭоит ҩ-хыҧхьаӡарак реигырхалыҵ.",
-	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Иҳанаҭоит ҩ-хыҧхьаӡарак рышьҭыхлыҵ.",
-	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Иҳанаҭоит ҩ-хыҧхьаӡарак ршалыҵ.",
+	"MATH_NUMBER_HELPURL": "https://ab.wikipedia.org/wiki/Ахыԥхьаӡара",
+	"MATH_NUMBER_TOOLTIP": "Ахыԥхьаӡара.",
+	"MATH_ARITHMETIC_HELPURL": "https://ab.wikipedia.org/wiki/Арифметика",
+	"MATH_ARITHMETIC_TOOLTIP_ADD": "Иҳанаҭоит ҩ-хыԥхьаӡарак реицҵалыҵ.",
+	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Иҳанаҭоит ҩ-хыԥхьаӡарак реигырхалыҵ.",
+	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Иҳанаҭоит ҩ-хыԥхьаӡарак рышьҭыхлыҵ.",
+	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Иҳанаҭоит ҩ-хыԥхьаӡарак ршалыҵ.",
 	"MATH_SINGLE_OP_ABSOLUTE": "амодуль",
-	"MATH_SINGLE_TOOLTIP_ABS": "Иҳанаҭоит ахыҧхьаӡара амодуль.",
-	"MATH_SINGLE_TOOLTIP_NEG": "Иҳанаҭоит иаҿагыло ахыҧхьаӡара.",
-	"MATH_SINGLE_TOOLTIP_LN": "Иҳанаҭоит ахыҧхьаӡара иҧсабаратәу алагорифм.",
-	"MATH_SINGLE_TOOLTIP_LOG10": "Иҳанаҭоит ахыҧхьаӡара ажәабатә логари̓фм",
-	"MATH_TRIG_HELPURL": "https://ru.wikipedia.org/wiki/Атригонометриатә_функциақәа",
+	"MATH_SINGLE_TOOLTIP_ABS": "Иҳанаҭоит ахыԥхьаӡара амодуль.",
+	"MATH_SINGLE_TOOLTIP_NEG": "Иҳанаҭоит иаҿагыло ахыԥхьаӡара.",
+	"MATH_SINGLE_TOOLTIP_LN": "Иҳанаҭоит ахыԥхьаӡара иԥсабаратәу алогарифм.",
+	"MATH_SINGLE_TOOLTIP_LOG10": "Иҳанаҭоит ахыԥхьаӡара ажәабатә логарифм.",
+	"MATH_TRIG_HELPURL": "https://ab.wikipedia.org/wiki/Атригонометриатә_функциа",
 	"MATH_TRIG_TOOLTIP_SIN": "Иҳанаҭоит асинус градусла.",
 	"MATH_TRIG_TOOLTIP_COS": "Иҳанаҭоит акосинус градусла.",
 	"MATH_TRIG_TOOLTIP_TAN": "Иҳанаҭоит атангенс градусла.",
 	"MATH_TRIG_TOOLTIP_ASIN": "Иҳанаҭоит арксинус градусла.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Иҳанаҭоит арккосинус градусла.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Иҳанаҭоит арктангенс градусла.",
-	"MATH_CONSTANT_HELPURL": "https://ru.wikipedia.org/wiki/Аматематикатә_константа",
-	"MATH_CONSTANT_TOOLTIP": "Иҳанаҭооит аконстантақәа руак: π (3.141...), e (2.718...), φ (1.618...), sqrt(2) (1.414...), sqrt(½) (0.707...) ма ∞ (аҵыхәаҧҵәарадара).",
+	"MATH_CONSTANT_HELPURL": "https://ab.wikipedia.org/wiki/Аматематикатә_константа",
+	"MATH_CONSTANT_TOOLTIP": "Иҳанаҭооит аконстантақәа руак: π (3.141...), e (2.718...), φ (1.618...), sqrt(2) (1.414...), sqrt(½) (0.707...) ма ∞ (аҵыхәаԥҵәарадара).",
 	"MATH_IS_EVEN": "еиҩшо",
 	"MATH_IS_ODD": "еиҩымшо",
 	"MATH_IS_PRIME": "имариоу",
@@ -123,39 +112,39 @@
 	"MATH_IS_NEGATIVE": "иҵоурам",
 	"MATH_IS_DIVISIBLE_BY": "ишоит ала",
 	"MATH_CHANGE_TITLE": "иеизырҳатәуп %1 %2 рыла",
-	"MATH_CHANGE_TOOLTIP": "Иацнаҵоит ахыҧхьаӡара аҽеиҭак'%1' ахь.",
-	"MATH_ROUND_HELPURL": "https://ru.wikipedia.org/wiki/Ахыркәшара",
+	"MATH_CHANGE_TOOLTIP": "Иацнаҵоит ахыԥхьаӡара аҽеиҭак '%1' ахь.",
+	"MATH_ROUND_HELPURL": "https://ab.wikipedia.org/wiki/Ахыркәшара",
 	"MATH_ROUND_OPERATOR_ROUND": "ихыркәшатәуп",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "ихыркәшатәуп еиҳау ахь",
 	"MATH_ROUND_OPERATOR_ROUNDDOWN": "ихыркәшатәуп еиҵоу ахь",
 	"MATH_ONLIST_OPERATOR_SUM": "ахьӡынҵа аицҵалыҵ",
-	"MATH_ONLIST_TOOLTIP_SUM": "Иҳанаҭоит ахьӡынҵа иаҵанакуа ахыҧхьаӡарақәа зегьы реицҵалыҵ.",
+	"MATH_ONLIST_TOOLTIP_SUM": "Иҳанаҭоит ахьӡынҵа иаҵанакуа ахыԥхьаӡарақәа зегьы реицҵалыҵ.",
 	"MATH_ONLIST_OPERATOR_MIN": "ахьӡынҵа аҟны иреиҵо",
-	"MATH_ONLIST_TOOLTIP_MIN": "Иҳанаҭоит ахьӡынҵа аҟны иреицо ахыҧхьаӡара.",
+	"MATH_ONLIST_TOOLTIP_MIN": "Иҳанаҭоит ахьӡынҵа аҟны иреицо ахыԥхьаӡара.",
 	"MATH_ONLIST_OPERATOR_MAX": "ахьӡынҵа аҟны иреиҳау",
-	"MATH_ONLIST_TOOLTIP_MAX": "Иҳанаҭоит ахьӡынҵа аҟны иреиҳау ахыҧхьаӡара.",
+	"MATH_ONLIST_TOOLTIP_MAX": "Иҳанаҭоит ахьӡынҵа аҟны иреиҳау ахыԥхьаӡара.",
 	"MATH_ONLIST_OPERATOR_AVERAGE": "ахьӡынҵа арифметикатә бжьара",
-	"MATH_ONLIST_TOOLTIP_AVERAGE": "Иҳанаҭоит ахьӡынҵа аҟны ахыҧхьаӡарақәа зегьы рарифметикатә бжьара.",
+	"MATH_ONLIST_TOOLTIP_AVERAGE": "Иҳанаҭоит ахьӡынҵа аҟны ахыԥхьаӡарақәа зегьы рарифметикатә бжьара.",
 	"MATH_ONLIST_OPERATOR_MEDIAN": "ахьӡынҵа амедиана",
-	"MATH_ONLIST_TOOLTIP_MEDIAN": "Иҳанаҭоит ахьӡынҵа аҟны ахыҧхьаӡарақәа зегьы рмедиана.",
+	"MATH_ONLIST_TOOLTIP_MEDIAN": "Иҳанаҭоит ахьӡынҵа аҟны ахыԥхьаӡарақәа зегьы рмедиана.",
 	"MATH_ONLIST_OPERATOR_MODE": "ахьӡынҵа амода",
 	"MATH_ONLIST_OPERATOR_RANDOM": "ахьӡынҵа иарбанзаалакь аелемент",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Иҳанаҭоит ахьӡынҵа аҟны иарбанзаалакь елементк.",
 	"MATH_MODULO_HELPURL": "https://ru.wikipedia.org/wiki/Ашара_цәынхала",
 	"MATH_MODULO_TITLE": "ацәынха %1 : %2",
-	"MATH_MODULO_TOOLTIP": "Иҳанаҭоит ацәынха ҩ-хыҧхьаӡарак ршараан.",
-	"MATH_RANDOM_INT_TITLE": "иарбанзаалакь еибгоу ахыҧхьаӡара %1 инаркны %2 нӡа",
-	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "иарбанзаалакь ахыҧхьашара 0 инаркны (иалаҵаны)  1 аҟынӡа",
-	"MATH_RANDOM_FLOAT_TOOLTIP": "Иҳанаҭоит иарбанзаалакь ахыҧхьаӡара 0.0 инаркны (иалаҵаны) 1.0 аҟынӡа.",
-	"TEXT_TEXT_HELPURL": "https://ru.wikipedia.org/wiki/Ацәаҳәатә_хкы",
+	"MATH_MODULO_TOOLTIP": "Иҳанаҭоит ацәынха ҩ-хыԥхьаӡарак ршараан.",
+	"MATH_RANDOM_INT_TITLE": "иарбанзаалакь еибгоу ахыԥхьаӡара %1 инаркны %2 нӡа",
+	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "иарбанзаалакь ахыԥхьашара 0 инаркны (иалаҵаны) 1 аҟынӡа",
+	"MATH_RANDOM_FLOAT_TOOLTIP": "Иҳанаҭоит иарбанзаалакь ахыԥхьаӡара 0.0 инаркны (иалаҵаны) 1.0 аҟынӡа.",
+	"TEXT_TEXT_HELPURL": "https://ab.wikipedia.org/wiki/Ацәаҳәатә_хкы",
 	"TEXT_TEXT_TOOLTIP": "Анбан, ажәа ма ацәаҳәа атеқст аҟны.",
-	"TEXT_JOIN_TITLE_CREATEWITH": "иаҧҵатәуп атеқст аҟынтәи",
-	"TEXT_CREATE_JOIN_TITLE_JOIN": "иеиҧшьтәуп",
+	"TEXT_JOIN_TITLE_CREATEWITH": "иаԥҵатәуп атеқст аҟынтәи",
+	"TEXT_CREATE_JOIN_TITLE_JOIN": "иеиԥшьтәуп",
 	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "Иацҵатәуп аелемент атеқст ахь.",
 	"TEXT_APPEND_TITLE": "%1 ахьы иацҵатәуп атеқст %2",
 	"TEXT_APPEND_TOOLTIP": "Иацҵатәуп атеқст аҽеиҭак «%1» ахь.",
 	"TEXT_LENGTH_TITLE": "аура %1",
-	"TEXT_LENGTH_TOOLTIP": "Иҳанаҭоит асимволқәа рхыҧхьаӡара (апробелқәа алаҵаны) иҟоу атеқст аҟны.",
+	"TEXT_LENGTH_TOOLTIP": "Иҳанаҭоит асимволқәа рхыԥхьаӡара (абжьажьқәа алаҵаны) иҟоу атеқст аҟны.",
 	"TEXT_ISEMPTY_TITLE": "%1 ҭацәуп",
 	"TEXT_ISEMPTY_TOOLTIP": "Иҳанаҭоит аҵакы аиаша, иҟоу атеқст ҭацәызар.",
 	"TEXT_INDEXOF_TITLE": "атеқст %1 %2 %3 аҟны",
@@ -170,11 +159,11 @@
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "атеқст аҟны",
 	"TEXT_GET_SUBSTRING_END_FROM_START": "анбан № ала",
 	"TEXT_GET_SUBSTRING_END_LAST": "аҵыхәтәантәи анбан ала",
-	"TEXT_PRINT_TITLE": "икьыҧхьтәуп %1",
-	"TEXT_PRINT_TOOLTIP": "Иакьыҧхьуеит атеқст, ахыҧхьаӡара ма даҽа обиеқтк.",
-	"TEXT_REPLACE_MESSAGE0": "иҧсахтәуп %1 %2 ала %3 аҟны",
-	"LISTS_CREATE_EMPTY_TITLE": "иаҧцатәуп иҭацәу ахьӡынҵа",
-	"LISTS_CREATE_WITH_INPUT_WITH": "иаҧҵатәуп ахьӡынҵа аҟынтәи",
+	"TEXT_PRINT_TITLE": "икьыԥхьтәуп %1",
+	"TEXT_PRINT_TOOLTIP": "Иакьыԥхьуеит атеқст, ахыԥхьаӡара ма даҽа обиеқтк.",
+	"TEXT_REPLACE_MESSAGE0": "иԥсахтәуп %1 %2 ала %3 аҟны",
+	"LISTS_CREATE_EMPTY_TITLE": "иаԥцатәуп иҭацәу ахьӡынҵа",
+	"LISTS_CREATE_WITH_INPUT_WITH": "иаԥҵатәуп ахьӡынҵа аҟынтәи",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "ахьӡынҵа",
 	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "Иацнаҵоит аелемент ахьӡынҵахьы",
 	"LISTS_LENGTH_TITLE": "аура %1",
@@ -202,30 +191,32 @@
 	"LISTS_SET_INDEX_INPUT_TO": "=",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Иацнаҵоит аелемент ахьӡынҵа анҵәамҭахь.",
 	"LISTS_GET_SUBLIST_END_FROM_START": "№ ала",
-	"LISTS_SORT_TITLE": "еилыҧшаатәуп %1 %2 %3",
-	"LISTS_SORT_TOOLTIP": "Еилыҧшаатәуп ахьӡынҵа акопиа.",
+	"LISTS_SORT_TITLE": "еилыԥшаатәуп %1 %2 %3",
+	"LISTS_SORT_TOOLTIP": "Еилыԥшаатәуп ахьӡынҵа акопиа.",
 	"LISTS_SORT_ORDER_ASCENDING": "еиҵоу-еиҳауала",
 	"LISTS_SORT_ORDER_DESCENDING": "еиҳау-еиҵоуала",
-	"LISTS_SORT_TYPE_NUMERIC": "ахыҧхьаӡаратәи",
+	"LISTS_SORT_TYPE_NUMERIC": "ахыԥхьаӡаратәи",
 	"LISTS_SORT_TYPE_TEXT": "алфавитла",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "еизгатәуп атеқст ахьӡынҵа аҟынтәи",
 	"VARIABLES_GET_TOOLTIP": "Иҳанаҭоит аҽеиҭак аҵакы.",
-	"VARIABLES_GET_CREATE_SET": "Иаҧҵатәуп аблок \"иаҭатәуп\" %1 азы",
+	"VARIABLES_GET_CREATE_SET": "Иаԥҵатәуп аблок \"иаҭатәуп %1\" азы",
 	"VARIABLES_SET": "иаҭатәуп %1 = %2",
 	"PROCEDURES_DEFNORETURN_TITLE": "азы",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "иҟаҵатәуп џьара акы",
 	"PROCEDURES_BEFORE_PARAMS": "аҟынтәи:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "аҟынтәи:",
-	"PROCEDURES_DEFNORETURN_TOOLTIP": "Иаҧнаҵоит апроцедура, аҵакы ҳазымҭо.",
+	"PROCEDURES_DEFNORETURN_TOOLTIP": "Иаԥнаҵоит апроцедура, аҵакы ҳазымҭо.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Абри афункциа ахҳәа азыҟашәҵа...",
 	"PROCEDURES_DEFRETURN_RETURN": "ирхынҳәтәуп",
-	"PROCEDURES_DEFRETURN_TOOLTIP": "Иаҧнаҵоит апроцедура, аҵакы ҳазҭо.",
-	"PROCEDURES_ALLOW_STATEMENTS": "Аоператорқәа азин рыҭара",
+	"PROCEDURES_DEFRETURN_TOOLTIP": "Иаԥнаҵоит апроцедура, аҵакы ҳазҭо.",
+	"PROCEDURES_ALLOW_STATEMENTS": "аоператорқәа азин рыҭара",
 	"PROCEDURES_CALLNORETURN_HELPURL": "https://ru.wikipedia.org/wiki/Ацхыраагӡатә программа",
 	"PROCEDURES_CALLRETURN_HELPURL": "https://ru.wikipedia.org/wiki/Ацхыраагӡатә программа",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "апараметрқәа",
 	"PROCEDURES_MUTATORARG_TITLE": "апараметр ахьӡ:",
-	"PROCEDURES_CREATE_DO": "Иаҧҵатәуп ааҧхьара'%1'",
+	"PROCEDURES_CREATE_DO": "Иаԥҵатәуп ааԥхьара '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Актәи аҵакы иашазар, иҳанаҭоит аҩбатәи аҵакы.",
-	"PROCEDURES_IFRETURN_WARNING": "Агәаҽанҵара: Ари аблок ахархәара ауеит афункциа аҧҵара аҟны."
+	"PROCEDURES_IFRETURN_WARNING": "Агәаҽанҵара: Ари аблок ахархәара ауеит афункциа аԥҵара аҟны.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Аҟәыхра"
 }
diff --git a/msg/json/ace.json b/msg/json/ace.json
new file mode 100644
index 00000000000..327411b1e35
--- /dev/null
+++ b/msg/json/ace.json
@@ -0,0 +1,7 @@
+{
+	"@metadata": {
+		"authors": []
+	},
+	"DIALOG_OK": "Ka got",
+	"DIALOG_CANCEL": "Peubateuë"
+}
diff --git a/msg/json/af.json b/msg/json/af.json
new file mode 100644
index 00000000000..b0f0f706b4c
--- /dev/null
+++ b/msg/json/af.json
@@ -0,0 +1,34 @@
+{
+	"@metadata": {
+		"authors": [
+			"Qmeades",
+			"Winstonza"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "item",
+	"UNNAMED_KEY": "onbenoem",
+	"TODAY": "vandag",
+	"DUPLICATE_BLOCK": "duplikaat",
+	"ADD_COMMENT": "Voeg kommentaar by",
+	"REMOVE_COMMENT": "Verwyder kommentaar",
+	"DUPLICATE_COMMENT": "Dupliseer kommentaar",
+	"DELETE_BLOCK": "verwyder blok",
+	"DELETE_X_BLOCKS": "verwyder %1 blokke",
+	"DELETE_ALL_BLOCKS": "verwyder al %1 blokke?",
+	"HELP": "Hulp",
+	"UNDO": "Ontdaan",
+	"REDO": "Doen weer",
+	"CHANGE_VALUE_TITLE": "Wysig waarde:",
+	"RENAME_VARIABLE": "Hernoem veranderlike...",
+	"RENAME_VARIABLE_TITLE": "Hernoem al %1 veranderlikes na:",
+	"NEW_VARIABLE": "Skep veranderlike",
+	"NEW_STRING_VARIABLE": "Skep teks veranderlike",
+	"NEW_NUMBER_VARIABLE": "Skep numeriese veranderlike",
+	"NEW_COLOUR_VARIABLE": "Skep kleur veranderlike",
+	"NEW_VARIABLE_TYPE_TITLE": "Nuwe veranderlike tipe:",
+	"NEW_VARIABLE_TITLE": "Nuwe veranderlike naam:",
+	"VARIABLE_ALREADY_EXISTS": "'n Veranderlike met die naam '%1' bestaan reeds.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "'n Veranderlike met die naam '%1' bestaan reeds vir 'n ander tipe veranderlike: '%2'.",
+	"DELETE_VARIABLE_CONFIRMATION": "Wissig %1 gebruike van die '%2' veranderlike?",
+	"DIALOG_OK": "Oukei"
+}
diff --git a/msg/json/am.json b/msg/json/am.json
new file mode 100644
index 00000000000..f807ca6f116
--- /dev/null
+++ b/msg/json/am.json
@@ -0,0 +1,30 @@
+{
+	"@metadata": {
+		"authors": [
+			"Markos"
+		]
+	},
+	"UNNAMED_KEY": "ያልተሰየመ",
+	"TODAY": "ዛሬ",
+	"DUPLICATE_BLOCK": "ቅጂ",
+	"ADD_COMMENT": "ማስታወሻ ያክሉ",
+	"REMOVE_COMMENT": "ማስታወሻ ያጥፉ",
+	"DUPLICATE_COMMENT": "ማስታወሻውን ይቅዱ",
+	"EXTERNAL_INPUTS": "የውጪ ግብዓቶች",
+	"INLINE_INPUTS": "የውስጥ ግብዓቶች",
+	"DELETE_BLOCK": "ብሎኩን ይሰርዙ",
+	"DELETE_X_BLOCKS": "%1 ብሎኮች ይሰርዙ",
+	"DELETE_ALL_BLOCKS": "%1 ያህል ብሎኮች ይሰረዙ？",
+	"CLEAN_UP": "ብሎኮቹን ይሰድሩ",
+	"COLLAPSE_BLOCK": "የብሎኩን መረጃ ያሳጥሩ",
+	"COLLAPSE_ALL": "የብሎኮቹን መረጃዎች ያሳጥሩ",
+	"EXPAND_BLOCK": "የብሎኩን መረጃ ዳግም ያስረዝሙ",
+	"EXPAND_ALL": "የብሎኮቹን መረጃዎች ዳግም ያስረዝሙ",
+	"DISABLE_BLOCK": "ብሎኩን ለጊዜው ያጥፉ",
+	"ENABLE_BLOCK": "ብሎኩን ደግመው ያስጀምሩ",
+	"HELP": "እገዛ",
+	"UNDO": "ይቀልብሱ",
+	"REDO": "ከእንደገና",
+	"DIALOG_OK": "እሺ",
+	"DIALOG_CANCEL": "ይቅር"
+}
diff --git a/msg/json/ar.json b/msg/json/ar.json
index d450e05e3a3..2d382ddcf99 100644
--- a/msg/json/ar.json
+++ b/msg/json/ar.json
@@ -1,11 +1,15 @@
 {
 	"@metadata": {
 		"authors": [
+			"Amire80",
 			"Diyariq",
 			"DonAdnan",
+			"Dr-Taher",
 			"Meno25",
 			"Mido",
 			"Moud hosny",
+			"MuratTheTurkish",
+			"NEHAOUA",
 			"Samir",
 			"Test Create account",
 			"ديفيد",
@@ -20,18 +24,18 @@
 	"ADD_COMMENT": "أضف تعليقًا",
 	"REMOVE_COMMENT": "أزل التعليق",
 	"DUPLICATE_COMMENT": "تعليق مكرر",
-	"EXTERNAL_INPUTS": "ادخال خارجي",
-	"INLINE_INPUTS": "ادخال خطي",
-	"DELETE_BLOCK": "احذف القطعة",
-	"DELETE_X_BLOCKS": "احذف %1 قطع",
-	"DELETE_ALL_BLOCKS": "حذف %1 قطعة؟",
-	"CLEAN_UP": "ترتيب القطع",
-	"COLLAPSE_BLOCK": "إخفاء القطعة",
-	"COLLAPSE_ALL": "إخفاء القطع",
-	"EXPAND_BLOCK": "وسٌّع القطعة",
-	"EXPAND_ALL": "وسٌّع القطع",
-	"DISABLE_BLOCK": "عطّل القطعة",
-	"ENABLE_BLOCK": "أعد تفعيل القطعة",
+	"EXTERNAL_INPUTS": "مدخلات خارجية",
+	"INLINE_INPUTS": "مدخلات مضمنة",
+	"DELETE_BLOCK": "حذف كتلة",
+	"DELETE_X_BLOCKS": "احذف %1 كتلة",
+	"DELETE_ALL_BLOCKS": "حذف %1 كتلة؟",
+	"CLEAN_UP": "تنظيف الكتل",
+	"COLLAPSE_BLOCK": "انهيار الكتلة",
+	"COLLAPSE_ALL": "انهيار الكتل",
+	"EXPAND_BLOCK": "وسٌّع الكتلة",
+	"EXPAND_ALL": "وسٌّع الكتل",
+	"DISABLE_BLOCK": "عطّل كتلة",
+	"ENABLE_BLOCK": "تمكين كتلة",
 	"HELP": "مساعدة",
 	"UNDO": "رجوع",
 	"REDO": "إعادة",
@@ -46,34 +50,33 @@
 	"NEW_VARIABLE_TITLE": "اسم المتغير الجديد:",
 	"VARIABLE_ALREADY_EXISTS": "المتغير '%1' موجود بالفعل",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "متغير بأسم '%1' معرف من نوع اخر : '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "المتغير المسمى '%1' موجود بالفعل كمعلمة في الإجراء '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "حذف%1 1 استخدامات المتغير '%2'؟",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "لايمكن حذف متغير \"%1\" بسبب انه جزء من الدالة \"%2\"",
 	"DELETE_VARIABLE": "حذف المتغير %1",
-	"COLOUR_PICKER_HELPURL": "https://ar.wikipedia.org/wiki/Color",
+	"COLOUR_PICKER_HELPURL": "https://ar.wikipedia.org/wiki/لون",
 	"COLOUR_PICKER_TOOLTIP": "اختر لون من اللوحة.",
 	"COLOUR_RANDOM_TITLE": "لون عشوائي",
 	"COLOUR_RANDOM_TOOLTIP": "اختر لون بشكل عشوائي.",
-	"COLOUR_RGB_HELPURL": "https://www.december.com/html/spec/colorpercompact.html",
 	"COLOUR_RGB_TITLE": "لون مع",
 	"COLOUR_RGB_RED": "أحمر",
 	"COLOUR_RGB_GREEN": "أخضر",
 	"COLOUR_RGB_BLUE": "أزرق",
 	"COLOUR_RGB_TOOLTIP": "إنشئ لون بالكمية المحددة من الأحمر, الأخضر والأزرق. بحيث يجب تكون كافة القيم بين 0 و 100.",
-	"COLOUR_BLEND_HELPURL": "https://meyerweb.com/eric/tools/color-blend/#:::rgbp",
 	"COLOUR_BLEND_TITLE": "دمج",
 	"COLOUR_BLEND_COLOUR1": "اللون 1",
 	"COLOUR_BLEND_COLOUR2": "اللون 2",
 	"COLOUR_BLEND_RATIO": "نسبة",
 	"COLOUR_BLEND_TOOLTIP": "دمج لونين ببعضهما البعض بنسبة (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
-	"CONTROLS_REPEAT_TITLE": "كرر  %1 مرات",
+	"CONTROLS_REPEAT_HELPURL": "https://ar.wikipedia.org/wiki/حلقة_تكرار",
+	"CONTROLS_REPEAT_TITLE": "كرر %1 مرات",
 	"CONTROLS_REPEAT_INPUT_DO": "نفّذ",
 	"CONTROLS_REPEAT_TOOLTIP": "نفّذ بعض الأوامر عدة مرات.",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "اكرّر طالما",
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "اكرّر حتى",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "بما ان القيمة صحيحة, نفّذ بعض الأوامر.",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "بما ان القيمة خاطئة, نفّذ بعض الأوامر.",
-	"CONTROLS_FOR_TOOLTIP": "اجعل المتغير  %1 يأخذ القيم من رقم البداية الى رقم النهاية، وقم بالعد داخل المجال المحدد، وطبق أوامر القطع المحددة.",
+	"CONTROLS_FOR_TOOLTIP": "اجعل المتغير %1 يأخذ القيم من رقم البداية الى رقم النهاية، وقم بالعد داخل المجال المحدد، وطبق أوامر القطع المحددة.",
 	"CONTROLS_FOR_TITLE": "عد بـ %1 من %2 إلى %3 بمعدل %4",
 	"CONTROLS_FOREACH_TITLE": "لكل عنصر %1 في قائمة %2",
 	"CONTROLS_FOREACH_TOOLTIP": "لكل عنصر في قائمة ما، عين المتغير '%1' لهذا الغنصر، ومن ثم نفذ بعض الأوامر.",
@@ -92,20 +95,7 @@
 	"CONTROLS_IF_IF_TOOLTIP": "أضف, إزل, أو أعد ترتيب المقاطع لإعادة تكوين القطعة الشرطية \"إذا\".",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "إضف شرطا إلى القطعة الشرطية \"إذا\".",
 	"CONTROLS_IF_ELSE_TOOLTIP": "أضف شرط \"نهاية، إجمع\" إلى القطعة الشرطية \"إذا\".",
-	"IOS_OK": "أوافق",
-	"IOS_CANCEL": "إلغاء",
-	"IOS_ERROR": "خطأ",
-	"IOS_PROCEDURES_INPUTS": "المدخلات",
-	"IOS_PROCEDURES_ADD_INPUT": "+اضافة ادخال",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "العبارات المسموحة",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "هذه الدالة لها مدخلات مكررة.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+اضف متغير",
-	"IOS_VARIABLES_ADD_BUTTON": "أضف",
-	"IOS_VARIABLES_RENAME_BUTTON": "أعد التسمية",
-	"IOS_VARIABLES_DELETE_BUTTON": "احذف",
-	"IOS_VARIABLES_VARIABLE_NAME": "اسم المتغير",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "لا يمكنك استخدام اسم متغير فارغ.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
+	"LOGIC_COMPARE_HELPURL": "https://ar.wikipedia.org/wiki/متباينة_(جبر)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "يرجع صحيح إذا كان كلا المدخلات مساوية بعضها البعض.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "يرجع صحيح إذا كانت كلا المدخلات غير مساوية لبعضها البعض.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "يرجع صحيح إذا كان الإدخال الأول أصغر من الإدخال الثاني.",
@@ -121,34 +111,28 @@
 	"LOGIC_BOOLEAN_TRUE": "صحيح",
 	"LOGIC_BOOLEAN_FALSE": "خاطئ",
 	"LOGIC_BOOLEAN_TOOLTIP": "يرجع صحيح أو خاطئ.",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "فارغ",
 	"LOGIC_NULL_TOOLTIP": "ترجع ملغى.",
-	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
+	"LOGIC_TERNARY_HELPURL": ":https://ar.wikipedia.org/wiki/%3F",
 	"LOGIC_TERNARY_CONDITION": "اختبار",
 	"LOGIC_TERNARY_IF_TRUE": "إذا كانت العبارة صحيحة",
 	"LOGIC_TERNARY_IF_FALSE": "إذا كانت العبارة خاطئة",
 	"LOGIC_TERNARY_TOOLTIP": "تحقق الشرط في 'الاختبار'. إذا كان الشرط صحيح، يقوم بإرجاع قيمة 'اذا كانت العبارة صحيحة'؛ خلاف ذلك يرجع قيمة 'اذا كانت العبارة خاطئة'.",
 	"MATH_NUMBER_HELPURL": "https://ar.wikipedia.org/wiki/%D8%B9%D8%AF%D8%AF",
 	"MATH_NUMBER_TOOLTIP": "عدد ما.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "جيب",
 	"MATH_TRIG_COS": "جيب تمام",
 	"MATH_TRIG_TAN": "ظل",
 	"MATH_TRIG_ASIN": "asin",
 	"MATH_TRIG_ACOS": "acos",
 	"MATH_TRIG_ATAN": "atan",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
+	"MATH_ARITHMETIC_HELPURL": "https://ar.wikipedia.org/wiki/حسابيات",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "يرجع مجموع الرقمين.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "يرجع الفرق بين الرقمين.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "يرجع حاصل ضرب الرقمين.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "يرجع حاصل قسمة الرقمين.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "يرجع الرقم الأول مرفوع إلى تربيع الرقم الثاني.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
+	"MATH_SINGLE_HELPURL": "https://ar.wikipedia.org/wiki/جذر_تربيعي",
 	"MATH_SINGLE_OP_ROOT": "الجذر التربيعي",
 	"MATH_SINGLE_TOOLTIP_ROOT": "يرجع الجذر التربيعي للرقم.",
 	"MATH_SINGLE_OP_ABSOLUTE": "مطلق",
@@ -158,14 +142,14 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "يرجع لوغاريتم عدد معين للاساس 10.",
 	"MATH_SINGLE_TOOLTIP_EXP": "يرجع ه‍ (e) مرفوعا لأس بقيمة الرقم المدخل.",
 	"MATH_SINGLE_TOOLTIP_POW10": "يرجع مضروب الرقم 10 في نفسه .",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
+	"MATH_TRIG_HELPURL": "https://ar.wikipedia.org/wiki/دوال_مثلثية",
 	"MATH_TRIG_TOOLTIP_SIN": "يرجع جيب التمام لدرجة (لا زواية نصف قطرية).",
 	"MATH_TRIG_TOOLTIP_COS": "يرجع جيب التمام لدرجة (لا زواية نصف قطرية).",
 	"MATH_TRIG_TOOLTIP_TAN": "يرجع الظل لدرجة (لا دائرة نصف قطرية).",
 	"MATH_TRIG_TOOLTIP_ASIN": "يرجع قوس الجيب للرقم.",
 	"MATH_TRIG_TOOLTIP_ACOS": "يرجع قوس جيب التمام لرقم.",
 	"MATH_TRIG_TOOLTIP_ATAN": "يرجع قوس الظل للرقم.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
+	"MATH_CONSTANT_HELPURL": "https://ar.wikipedia.org/wiki/ثابت رياضي",
 	"MATH_CONSTANT_TOOLTIP": "ير جع واحد من الثوابت الشائعة : π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).",
 	"MATH_IS_EVEN": "هو زوجي",
 	"MATH_IS_ODD": "هو فرذي",
@@ -175,10 +159,9 @@
 	"MATH_IS_NEGATIVE": "هو سالب",
 	"MATH_IS_DIVISIBLE_BY": "قابل للقسمة",
 	"MATH_IS_TOOLTIP": "تحقق إذا كان عدد ما زوجيا، فرذيا, أوليا، صحيحا،موجبا أو سالبا، أو إذا كان قابلا للقسمة على عدد معين.  يرجع صحيح أو خاطئ.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "غير %1 بـ %2",
 	"MATH_CHANGE_TOOLTIP": "إضف رقم إلى متغير '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
+	"MATH_ROUND_HELPURL": "https://ar.wikipedia.org/wiki/تقريب_(رياضيات)",
 	"MATH_ROUND_TOOLTIP": "تقريب الى اكبر عدد صحيح أو الى اصغر عدد صحيح.",
 	"MATH_ROUND_OPERATOR_ROUND": "تقريب",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "تقريب الى اكبر عدد صحيح",
@@ -199,21 +182,20 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "يرجع الانحراف المعياري للقائمة.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "عنصر عشوائي من القائمة",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "يرجع عنصر عشوائي من القائمة.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
+	"MATH_MODULO_HELPURL": "https://tr.wikipedia.org/wiki/عامل_قسمة_مع_باقي",
 	"MATH_MODULO_TITLE": "باقي %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "يرجع الباقي من قسمة الرقمين.",
 	"MATH_CONSTRAIN_TITLE": "تقيد %1 منخفض %2 مرتفع %3",
 	"MATH_CONSTRAIN_TOOLTIP": "تقييد العددليكون بين الحدود المحددة (ضمناً).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
-	"MATH_RANDOM_INT_TITLE": " عدد صحيح عشوائي من %1 إلى %2",
+	"MATH_RANDOM_INT_HELPURL": "https://ar.wikipedia.org/wiki/توليد_الأعداد_العشوائية",
+	"MATH_RANDOM_INT_TITLE": "عدد صحيح عشوائي من %1 إلى %2",
 	"MATH_RANDOM_INT_TOOLTIP": "يرجع عدد صحيح عشوائي بين حدين محددين, ضمنيا.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
+	"MATH_RANDOM_FLOAT_HELPURL": "https://ar.wikipedia.org/wiki/توليد_الأعداد_العشوائية",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "كسر عشوائي",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "يرجع جزء عشوائي بين 0.0 (ضمنياً) و 1.0 (خارجيا).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 من X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "عودة قوس ظل النقطة (س، ص) بالدرجات من -180 إلى 180.",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
+	"TEXT_TEXT_HELPURL": "https://ar.wikipedia.org/wiki/سلسلة_(علم_الحاسوب)",
 	"TEXT_TEXT_TOOLTIP": "حرف أو كلمة أو سطر من النص.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "انشئ نص مع",
 	"TEXT_JOIN_TOOLTIP": "أنشئ جزء من النص بالصاق أي عدد من العناصر ببعضها البعض.",
@@ -265,7 +247,6 @@
 	"TEXT_REPLACE_TOOLTIP": "استبدل جميع حالات حدوث بعض النصوص داخل نص آخر.",
 	"TEXT_REVERSE_MESSAGE0": "عكس %1",
 	"TEXT_REVERSE_TOOLTIP": "يعكس ترتيب حروف النص",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "إنشئ قائمة فارغة",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "تقوم بإرجاع قائمة، طولها 0, لا تحتوي على أية سجلات البيانات",
 	"LISTS_CREATE_WITH_TOOLTIP": "أنشىء قائمة من أي عدد من العناصر.",
@@ -274,7 +255,7 @@
 	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "أضف, إزل, أو أعد ترتيب المقاطع لإعادة تكوين القطعة قائمة القطع التالية.",
 	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "أضف عنصرا إلى القائمة.",
 	"LISTS_REPEAT_TOOLTIP": "انشئ قائمة تتألف من القيمة المعطاة متكررة لعدد محدد من المرات.",
-	"LISTS_REPEAT_TITLE": "إنشئ قائمة مع العنصر  %1 %2 مرات",
+	"LISTS_REPEAT_TITLE": "إنشئ قائمة مع العنصر %1 %2 مرات",
 	"LISTS_LENGTH_TITLE": "الطول من %1",
 	"LISTS_LENGTH_TOOLTIP": "تقوم بإرجاع طول قائمة.",
 	"LISTS_ISEMPTY_TITLE": "%1 فارغ",
@@ -282,7 +263,7 @@
 	"LISTS_INLIST": "في قائمة",
 	"LISTS_INDEX_OF_FIRST": "ابحث على على التواجد الأول للعنصر",
 	"LISTS_INDEX_OF_LAST": "ابحث على التواجد الأخير للعنصر",
-	"LISTS_INDEX_OF_TOOLTIP": "تقوم بإرجاع مؤشر التواجد  الأول/الأخير في القائمة.  تقوم بإرجاع %1 إذا لم يتم العثور على النص.",
+	"LISTS_INDEX_OF_TOOLTIP": "تقوم بإرجاع مؤشر التواجد الأول/الأخير في القائمة.  تقوم بإرجاع %1 إذا لم يتم العثور على النص.",
 	"LISTS_GET_INDEX_GET": "احصل على",
 	"LISTS_GET_INDEX_GET_REMOVE": "احصل على و ازل",
 	"LISTS_GET_INDEX_REMOVE": "ازل",
@@ -317,13 +298,12 @@
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "ألصق هذا العنصر بنهاية قائمة.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "ادخل العنصر عشوائياً في القائمة.",
 	"LISTS_GET_SUBLIST_START_FROM_START": "احصل على قائمة فرعية من #",
-	"LISTS_GET_SUBLIST_START_FROM_END": "احصل  على قائمة فرعية من # من نهاية",
+	"LISTS_GET_SUBLIST_START_FROM_END": "احصل على قائمة فرعية من # من نهاية",
 	"LISTS_GET_SUBLIST_START_FIRST": "احصل على قائمة فرعية من الأول",
 	"LISTS_GET_SUBLIST_END_FROM_START": "إلى #",
 	"LISTS_GET_SUBLIST_END_FROM_END": "إلى # من نهاية",
 	"LISTS_GET_SUBLIST_END_LAST": "إلى الأخير",
 	"LISTS_GET_SUBLIST_TOOLTIP": "يقوم بإنشاء نسخة من الجزء المحدد من قائمة ما.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "رتب %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "فرز نسخة من القائمة.",
 	"LISTS_SORT_ORDER_ASCENDING": "تصاعديا",
@@ -343,22 +323,22 @@
 	"VARIABLES_SET": "تعيين %1 إلى %2",
 	"VARIABLES_SET_TOOLTIP": "تعيين هذا المتغير لتكون مساوية للقيمة المدخلة.",
 	"VARIABLES_SET_CREATE_GET": "انشئ 'احصل على %1'",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
+	"PROCEDURES_DEFNORETURN_HELPURL": "https://ar.wikipedia.org/wiki/دالة_(برمجة)",
 	"PROCEDURES_DEFNORETURN_TITLE": "إلى",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "القيام بشيء ما",
 	"PROCEDURES_BEFORE_PARAMS": "مع:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "مع:",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "انشئ دالة بدون مخرجات .",
 	"PROCEDURES_DEFNORETURN_COMMENT": "صف هذه الوظيفة...",
-	"PROCEDURES_DEFRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
+	"PROCEDURES_DEFRETURN_HELPURL": "https://tr.wikipedia.org/wiki/دالة_(برمجة)",
 	"PROCEDURES_DEFRETURN_RETURN": "يرجع",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "انشئ دالة مع المخرجات.",
 	"PROCEDURES_ALLOW_STATEMENTS": "اسمح بالبيانات",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "تحذير: هذه الدالة تحتوي على معلمات مكررة.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
+	"PROCEDURES_CALLNORETURN_HELPURL": "https://ar.wikipedia.org/wiki/دالة_(برمجة)",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "تشغيل الدالة المعرفة من قبل المستخدم '%1'.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
-	"PROCEDURES_CALLRETURN_TOOLTIP": "تشغيل الدالة المعرفة من قبل المستخدم %1 واستخدام  مخرجاتها.",
+	"PROCEDURES_CALLRETURN_HELPURL": "https://ar.wikipedia.org/wiki/دالة_(برمجة)",
+	"PROCEDURES_CALLRETURN_TOOLTIP": "تشغيل الدالة المعرفة من قبل المستخدم %1 واستخدام مخرجاتها.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "المدخلات",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "إضافة أو إزالة أو إعادة ترتيب المدخلات لهذه المهمة.",
 	"PROCEDURES_MUTATORARG_TITLE": "اسم الإدخال:",
@@ -369,5 +349,7 @@
 	"PROCEDURES_IFRETURN_WARNING": "تحذير:هذه القطعة تستخدم فقط داخل تعريف دالة.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "قل شيئا...",
 	"WORKSPACE_ARIA_LABEL": "مساحة عمل بلوكلي",
-	"COLLAPSED_WARNINGS_WARNING": "الكتل المطوية تحتوي على تحذيرات."
+	"COLLAPSED_WARNINGS_WARNING": "الكتل المطوية تحتوي على تحذيرات.",
+	"DIALOG_OK": "موافق",
+	"DIALOG_CANCEL": "إلغاء"
 }
diff --git a/msg/json/ast.json b/msg/json/ast.json
new file mode 100644
index 00000000000..4d6d9bb76e8
--- /dev/null
+++ b/msg/json/ast.json
@@ -0,0 +1,10 @@
+{
+	"@metadata": {
+		"authors": [
+			"Fitoschido",
+			"YoaR"
+		]
+	},
+	"DIALOG_OK": "Aceutar",
+	"DIALOG_CANCEL": "Zarrar"
+}
diff --git a/msg/json/az.json b/msg/json/az.json
index 1f73a773bb3..edf7ff7620b 100644
--- a/msg/json/az.json
+++ b/msg/json/az.json
@@ -4,10 +4,12 @@
 			"AZISS",
 			"Adil",
 			"Cekli829",
-			"Masalli qasimli"
+			"Masalli qasimli",
+			"Şeyx Şamil"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "element",
+	"UNNAMED_KEY": "adsız",
 	"TODAY": "Bugün",
 	"DUPLICATE_BLOCK": "Dublikat",
 	"ADD_COMMENT": "Şərh əlavə et",
@@ -46,13 +48,11 @@
 	"COLOUR_PICKER_TOOLTIP": "Palitradan bir rəng seçin.",
 	"COLOUR_RANDOM_TITLE": "təsadüfi rəng",
 	"COLOUR_RANDOM_TOOLTIP": "Təsadüfi bir rəng seçin.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "rənglə",
 	"COLOUR_RGB_RED": "qırmızı",
 	"COLOUR_RGB_GREEN": "yaşıl",
 	"COLOUR_RGB_BLUE": "mavi",
 	"COLOUR_RGB_TOOLTIP": "Qırmızı, yaşıl və mavinin göstərilən miqdarı ilə bir rəng düzəlt. Bütün qiymətlər 0 ilə 100 arasında olmalıdır.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "qarışdır",
 	"COLOUR_BLEND_COLOUR1": "rəng 1",
 	"COLOUR_BLEND_COLOUR2": "rəng 2",
@@ -85,19 +85,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Bu \"əgər\" blokunu dəyişdirmək üçün bölümlərin yenisini əlavə et, sil və ya yerini dəyiş.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "\"Əgər\" blokuna bir şərt əlavə et.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "\"Əgər\" blokuna qalan bütün halları əhatə edəb son bir şərt əlavə et.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Ləğv et",
-	"IOS_ERROR": "Xəta",
-	"IOS_PROCEDURES_INPUTS": "GİRİŞ",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Giriş əlavə et",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Operatorlara icazə",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Bu funksiyada təkrarlanan giriş dəyişənləri vardır.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Dəyişən əlavə et",
-	"IOS_VARIABLES_ADD_BUTTON": "Əlavə et",
-	"IOS_VARIABLES_RENAME_BUTTON": "Adını dəyiş",
-	"IOS_VARIABLES_DELETE_BUTTON": "Sil",
-	"IOS_VARIABLES_VARIABLE_NAME": "Dəyişənin adı",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Adsız dəyişən istifadə edə bilməzsiniz.",
 	"LOGIC_COMPARE_HELPURL": "https://az.wikipedia.org/wiki/bərabərsizlik_(riyazi)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Girişlər bir birinə bərabərdirsə \"doğru\" cavabını qaytarır.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Girişlər bərabər deyillərsə \"doğru\" cavabını qaytarır.",
@@ -118,15 +105,10 @@
 	"LOGIC_NULL_TOOLTIP": "Boş cavab qaytarır.",
 	"LOGIC_TERNARY_CONDITION": "test",
 	"LOGIC_TERNARY_IF_TRUE": "əgər doğrudursa",
-	"LOGIC_TERNARY_IF_FALSE": "əgər səhfdirsə",
+	"LOGIC_TERNARY_IF_FALSE": "əgər səhvdirsə",
 	"LOGIC_TERNARY_TOOLTIP": "'Yoxla' əmrindəki şərtə nəzər yetirin. Əgər şərt \"doğru\"-dursa \"əgər doğru\", əks halda isə \"əgər yalan\" cavabını qaytarır.",
 	"MATH_NUMBER_HELPURL": "https://az.wikipedia.org/wiki/Ədəd",
 	"MATH_NUMBER_TOOLTIP": "Ədəd.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tg",
@@ -166,10 +148,8 @@
 	"MATH_IS_NEGATIVE": "mənfidir",
 	"MATH_IS_DIVISIBLE_BY": "bölünür",
 	"MATH_IS_TOOLTIP": "Bir ədədin cüt, tək, sadə, tam, müsbət, mənfi olmasını və ya müəyyən bir ədədə bölünməsini yoxlayır. \"Doğru\" və ya \"yalan\" qiymətini qaytarır.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "dəyiş: %1 buna: %2",
 	"MATH_CHANGE_TOOLTIP": "'%1' dəyişəninin üzərinə bir ədəd artır.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Ədədi aşağı və ya yuxari yuvarlaqşdır.",
 	"MATH_ROUND_OPERATOR_ROUND": "yuvarlaqlaşdır",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "yuxarı yuvarlaqlaşdır",
@@ -190,20 +170,15 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Siyahının standart deviasiyasını qaytarır.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "siyahıdan təsadüfi seçilmiş bir element",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Siyahıdan təsadüfi bir element qaytarır.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "%1 ÷ %2 bölməsinin qalığı",
 	"MATH_MODULO_TOOLTIP": "İki ədədin nisbətindən alınan qalığı qaytarır.",
 	"MATH_CONSTRAIN_TITLE": "%1 üçün ən aşağı %2, ən yuxarı %3 olmağı tələb et",
 	"MATH_CONSTRAIN_TOOLTIP": "Bir ədədin verilmiş iki ədəd arasında olmasını tələb edir (sərhədlər də daxil olmaqla).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "%1 ilə %2 arasından təsadüfi tam ədəd",
 	"MATH_RANDOM_INT_TOOLTIP": "Verilmiş iki ədəd arasından (ədədrlər də daxil olmaqla) təsadüfi bir tam ədəd qaytarır.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "təsadüfi kəsr",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "0.0 (daxil olmaqla) və 1.0 (daxil olmamaqla) ədədlərinin arasından təsadüfi bir kəsr ədəd qaytarır.",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TOOLTIP": "(X,Y) nöqtələrinin -180 - 180 dərəcədə arktangensini hesabla.",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Mətndəki hərf, söz və ya sətir.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "Verilmişlərlə mətn yarat",
 	"TEXT_JOIN_TOOLTIP": "İxtiyari sayda elementlərinin birləşməsi ilə mətn parçası yarat.",
@@ -250,7 +225,7 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "İstifadəçiyə ədəd daxil etməsi üçün sorğu/tələb göndərin.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "İstifadəçiyə mətn daxil etməsi üçün sorğu/tələb göndərin.",
 	"TEXT_COUNT_MESSAGE0": "%2 içindən %1 sayını hesabla",
-	"TEXT_COUNT_TOOLTIP": "Hesablayaq, mətnin bu hissəsi başqa mətndə neçə dəfə  rast gəlinir.",
+	"TEXT_COUNT_TOOLTIP": "Hesablayaq, mətnin bu hissəsi başqa mətndə neçə dəfə rast gəlinir.",
 	"TEXT_REPLACE_MESSAGE0": "%3 -də %1 əvəz et %2",
 	"TEXT_REPLACE_TOOLTIP": "Bütün uyğunluqlu bəzi mətnlərin digər bəzi mətnlərə dəyişdirilməsi.",
 	"TEXT_REVERSE_MESSAGE0": "əksinə dəyiş %1",
@@ -312,7 +287,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "sondan # nömrəliyə",
 	"LISTS_GET_SUBLIST_END_LAST": "Sonuncuya",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Siyahının təyin olunmuş hissəsinin surətini yaradın.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "%1 %2 %3 sortlaşdır",
 	"LISTS_SORT_TOOLTIP": "Siyahının nüsxəsini sortlaşdır.",
 	"LISTS_SORT_ORDER_ASCENDING": "artan üzrə",
@@ -342,9 +316,7 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Nəticəsi olan funksiya yaradır.",
 	"PROCEDURES_ALLOW_STATEMENTS": "operatorlara icazə",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Xəbərdarlıq: Bu funksiyanın təkrar olunmuş parametrləri var.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Yaradılmış '%1' funksiyasını çalışdır.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Yaradılmış '%1' funksiyasını çalışdır və nəticəni istifadə et.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "girişlər",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Bu funksiyanın giriş parametrləri üçün əlavə et, sil, və ya yenilə.",
@@ -354,5 +326,7 @@
 	"PROCEDURES_CREATE_DO": "'%1' yarat",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Əgər bir dəyər \"doğru\"-dursa onda ikinci dəyəri qaytar.",
 	"PROCEDURES_IFRETURN_WARNING": "Xəbərdarlıq: Bu blok ancaq bir funksiyanın təyinatı daxilində işlədilə bilər.",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Buraya nə isə yaz..."
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Buraya nə isə yaz...",
+	"DIALOG_OK": "TAMAM",
+	"DIALOG_CANCEL": "Ləğv et"
 }
diff --git a/msg/json/ba.json b/msg/json/ba.json
index 0aa986eb717..87a8fddb8f5 100644
--- a/msg/json/ba.json
+++ b/msg/json/ba.json
@@ -2,6 +2,7 @@
 	"@metadata": {
 		"authors": [
 			"Alfiya55",
+			"Sagan",
 			"Азат Хәлилов",
 			"Айсар",
 			"Кутлубаева Кунсулу Закиевна",
@@ -11,13 +12,13 @@
 	},
 	"VARIABLES_DEFAULT_NAME": "элемент",
 	"TODAY": "Бөгөн",
-	"DUPLICATE_BLOCK": "Күсереп алырға",
+	"DUPLICATE_BLOCK": "Дубликатын эшләргә",
 	"ADD_COMMENT": "Фекер өҫтәргә",
 	"REMOVE_COMMENT": "Аңлатмаларҙы юйырға",
 	"EXTERNAL_INPUTS": "Тышҡы өҫтәлмә",
 	"INLINE_INPUTS": "Эске өҫтәлмә",
 	"DELETE_BLOCK": "Блокты юйҙырырға",
-	"DELETE_X_BLOCKS": " %1 блокты юйҙырырға",
+	"DELETE_X_BLOCKS": "%1 блокты юйҙырырға",
 	"DELETE_ALL_BLOCKS": "Бөтә %1 блоктарҙы юйырғамы?",
 	"CLEAN_UP": "Блоктарҙы таҙартырға",
 	"COLLAPSE_BLOCK": "Блокты төрөргә",
@@ -49,7 +50,7 @@
 	"COLOUR_BLEND_RATIO": "1-се төҫтөң өлөшө",
 	"COLOUR_BLEND_TOOLTIP": "Ике төҫтө бирелгән нисбәттә болғата (0.0 - 1.0).",
 	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/Цикл_(программалау)",
-	"CONTROLS_REPEAT_TITLE": " %1 тапҡыр ҡабатларға",
+	"CONTROLS_REPEAT_TITLE": "%1 тапҡыр ҡабатларға",
 	"CONTROLS_REPEAT_INPUT_DO": "үтәргә",
 	"CONTROLS_REPEAT_TOOLTIP": "Командаларҙы бер нисә тапҡыр үтәй.",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "ҡабатларға, әлегә",
@@ -144,7 +145,7 @@
 	"MATH_ONLIST_OPERATOR_MIN": "Исемлектәге иң бәләкәйе",
 	"MATH_ONLIST_TOOLTIP_MIN": "Исемлектәге иң бәләкәй һанды күрһәтә.",
 	"MATH_ONLIST_OPERATOR_MAX": "исемлектәге иң ҙуры",
-	"MATH_ONLIST_TOOLTIP_MAX": "Исемлектең иң ҙур һанын  күрһәтә.",
+	"MATH_ONLIST_TOOLTIP_MAX": "Исемлектең иң ҙур һанын күрһәтә.",
 	"MATH_ONLIST_OPERATOR_AVERAGE": "исемлектең уртаса арифметик дәүмәле",
 	"MATH_ONLIST_TOOLTIP_AVERAGE": "Исемлектең уртаса арифметик дәүмәле күрһәтә.",
 	"MATH_ONLIST_OPERATOR_MEDIAN": "исемлек медианаһы",
@@ -204,5 +205,7 @@
 	"PROCEDURES_DEFRETURN_RETURN": "кире ҡайтарыу",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "инеү",
 	"PROCEDURES_MUTATORARG_TITLE": "инеү исеме:",
-	"PROCEDURES_CREATE_DO": "'%1' төҙөргә"
+	"PROCEDURES_CREATE_DO": "'%1' төҙөргә",
+	"DIALOG_OK": "Яҡшы",
+	"DIALOG_CANCEL": "Баш тартыу"
 }
diff --git a/msg/json/bcc.json b/msg/json/bcc.json
index 9a13638bde2..f4356e46d75 100644
--- a/msg/json/bcc.json
+++ b/msg/json/bcc.json
@@ -2,16 +2,20 @@
 	"@metadata": {
 		"authors": [
 			"Baloch Afghanistan",
+			"Moshtank",
+			"StarrySky",
 			"Sultanselim baloch"
 		]
 	},
-	"VARIABLES_DEFAULT_NAME": "مورد",
+	"VARIABLES_DEFAULT_NAME": "ائیٹم",
+	"UNNAMED_KEY": "بدون نام",
+	"TODAY": "مرۏچی",
 	"DUPLICATE_BLOCK": "تکراری",
 	"ADD_COMMENT": "افزودن نظر",
-	"REMOVE_COMMENT": "حذف نظر",
+	"REMOVE_COMMENT": "گپءِ کار کنگ",
 	"EXTERNAL_INPUTS": "ورودی‌های خارجی",
 	"INLINE_INPUTS": "ورودی‌های درون خطی",
-	"DELETE_BLOCK": "حذف بلوک",
+	"DELETE_BLOCK": "بلاکءِ گار کنگ",
 	"DELETE_X_BLOCKS": "حذف بلوک‌های %1",
 	"COLLAPSE_BLOCK": "فروپاشی بلوک",
 	"COLLAPSE_ALL": "فروپاشی بلوک‌ها",
@@ -47,7 +51,7 @@
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "تکرار تا",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "تا زمانی که یک مقدار صحیح است، چند عبارت را انجام بده.",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "تا زمانی که یک مقدار ناصحیح است، چند عبارت را انجام بده.",
-	"CONTROLS_FOR_TOOLTIP": "متغیر %1 را در مقادیر شروع‌شده از عدد انتهای  به عدد انتهایی را دارد، با فواصل مشخص‌شده می‌شمارد و این بلوک مشخص‌شده را انجام می‌دهد.",
+	"CONTROLS_FOR_TOOLTIP": "متغیر %1 را در مقادیر شروع‌شده از عدد انتهای به عدد انتهایی را دارد، با فواصل مشخص‌شده می‌شمارد و این بلوک مشخص‌شده را انجام می‌دهد.",
 	"CONTROLS_FOR_TITLE": "با تعداد %1 از %2 به %3 با گام‌های %4",
 	"CONTROLS_FOREACH_TITLE": "برای هر مورد %1 در فهرست %2",
 	"CONTROLS_FOREACH_TOOLTIP": "برای هر مورد در این فهرست، تنظیم متغیر «%1» به مورد و انجام تعدادی عبارت.",
@@ -118,7 +122,7 @@
 	"MATH_IS_EVEN": "زوج است",
 	"MATH_IS_ODD": "فرد است",
 	"MATH_IS_PRIME": "عدد اول است",
-	"MATH_IS_WHOLE": "کامل است",
+	"MATH_IS_WHOLE": "بودیگ اِنت",
 	"MATH_IS_POSITIVE": "مثبت است",
 	"MATH_IS_NEGATIVE": "منفی است",
 	"MATH_IS_DIVISIBLE_BY": "تقسیم شده بر",
@@ -173,8 +177,8 @@
 	"TEXT_ISEMPTY_TOOLTIP": "اضافه‌کردن صحیح اگر متن فراهم‌شده خالی است.",
 	"TEXT_INDEXOF_TOOLTIP": "شاخصی از اولین آخرین رخ‌داد متن اول در متن دوم بر می‌گرداند. اگر متن یافت نشد %1 باز می‌گرداند.",
 	"TEXT_INDEXOF_TITLE": "در متن %1 %2 %3",
-	"TEXT_INDEXOF_OPERATOR_FIRST": "اولین رخداد متن را بیاب",
-	"TEXT_INDEXOF_OPERATOR_LAST": "آخرین رخداد متن را بیاب",
+	"TEXT_INDEXOF_OPERATOR_FIRST": "اولی نبشتانکء بیتگݔنا درگݔج",
+	"TEXT_INDEXOF_OPERATOR_LAST": "آھری نبشتانکء بیتگݔنا درگݔج",
 	"TEXT_CHARAT_FROM_START": "گرفتن حرف #",
 	"TEXT_CHARAT_FROM_END": "گرفتن حرف # از آخر",
 	"TEXT_CHARAT_FIRST": "گرفتن اولین حرف",
@@ -194,9 +198,9 @@
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "به حروف کوچک",
 	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "به حروف بزرگ عنوان",
 	"TEXT_TRIM_TOOLTIP": "کپی از متن با فاصله‌های حذف‌شده از یک یا هر دو پایان باز می‌گرداند.",
-	"TEXT_TRIM_OPERATOR_BOTH": "تراشیدن فاصله‌ها از  هر دو طرف",
-	"TEXT_TRIM_OPERATOR_LEFT": "تراشیدن فاصله‌ها از  طرف چپ",
-	"TEXT_TRIM_OPERATOR_RIGHT": "تراشیدن فاصله‌ها از  طرف چپ",
+	"TEXT_TRIM_OPERATOR_BOTH": "تراشیدن فاصله‌ها از هر دو طرف",
+	"TEXT_TRIM_OPERATOR_LEFT": "تراشیدن فاصله‌ها از طرف چپ",
+	"TEXT_TRIM_OPERATOR_RIGHT": "تراشیدن فاصله‌ها از طرف چپ",
 	"TEXT_PRINT_TITLE": "چاپ %1",
 	"TEXT_PRINT_TOOLTIP": "چاپ متن، عدد یا هر مقدار دیگر مشخص‌شده.",
 	"TEXT_PROMPT_TYPE_TEXT": "اعلان برای متن با پیام",
@@ -217,12 +221,12 @@
 	"LISTS_ISEMPTY_TITLE": "%1 خالی است",
 	"LISTS_ISEMPTY_TOOLTIP": "اگر فهرست خالی است مقدار صجیج بر می‌گرداند.",
 	"LISTS_INLIST": "مہ لیست‌ئا",
-	"LISTS_INDEX_OF_FIRST": "آخرین رخداد متن را بیاب",
+	"LISTS_INDEX_OF_FIRST": "آھری نبشتانکء بیتگݔنا درگݔج",
 	"LISTS_INDEX_OF_LAST": "یافتن آخرین رخ‌داد مورد",
 	"LISTS_INDEX_OF_TOOLTIP": "شاخصی از اولین/آخرین رخ‌داد مورد در فهرست را بر می‌گرداند. %1 بر می‌گرداند اگر متن موجود نبود.",
 	"LISTS_GET_INDEX_GET": "گرفتن",
 	"LISTS_GET_INDEX_GET_REMOVE": "گرفتن و حذف‌کردن",
-	"LISTS_GET_INDEX_REMOVE": "حذف‌کردن",
+	"LISTS_GET_INDEX_REMOVE": "سللہ",
 	"LISTS_GET_INDEX_FROM_END": "# از انتها",
 	"LISTS_GET_INDEX_FIRST": "اولین",
 	"LISTS_GET_INDEX_LAST": "اهرین",
@@ -253,7 +257,7 @@
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "موردی به ته فهرست الحاق می‌کند.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "مورد را به صورت تصادفی در یک فهرست می‌افزاید.",
 	"LISTS_GET_SUBLIST_START_FROM_START": "گرفتن زیرمجموعه‌ای از #",
-	"LISTS_GET_SUBLIST_START_FROM_END": "گرفتن زیرمجموعه‌ای از # از انتها",
+	"LISTS_GET_SUBLIST_START_FROM_END": "چݔر چیزے گِرَگ چہ # ءِ آھرا",
 	"LISTS_GET_SUBLIST_START_FIRST": "گرفتن زیرمجموعه‌ای از ابتدا",
 	"LISTS_GET_SUBLIST_END_FROM_START": "به #",
 	"LISTS_GET_SUBLIST_END_FROM_END": "به # از انتها",
@@ -269,13 +273,11 @@
 	"PROCEDURES_BEFORE_PARAMS": "با:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "با:",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "تابعی می‌سازد بدون هیچ خروجی.",
-	"PROCEDURES_DEFRETURN_RETURN": "بازگشت",
+	"PROCEDURES_DEFRETURN_RETURN": "چَھر کنگ",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "تابعی با یک خروجی می‌سازد.",
 	"PROCEDURES_ALLOW_STATEMENTS": "اجازه اظهارات",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "اخطار: این تابعی پارامتر تکراری دارد.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://fa.wikipedia.org/wiki/%D8%B1%D9%88%DB%8C%D9%87_%28%D8%B9%D9%84%D9%88%D9%85_%D8%B1%D8%A7%DB%8C%D8%A7%D9%86%D9%87%29",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "اجرای تابع تعریف‌شده توسط کاربر «%1».",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://fa.wikipedia.org/wiki/%D8%B1%D9%88%DB%8C%D9%87_%28%D8%B9%D9%84%D9%88%D9%85_%D8%B1%D8%A7%DB%8C%D8%A7%D9%86%D9%87%29",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "اجرای تابع تعریف‌شده توسط کاربر «%1» و استفاده از خروجی آن.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "ورودی‌ها",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "افزودن، حذف یا دوباره مرتب‌کردن ورودی این تابع.",
diff --git a/msg/json/be-tarask.json b/msg/json/be-tarask.json
index 1276e35268d..6d5e0ff1913 100644
--- a/msg/json/be-tarask.json
+++ b/msg/json/be-tarask.json
@@ -40,6 +40,7 @@
 	"NEW_VARIABLE_TITLE": "Імя новай зьменнай:",
 	"VARIABLE_ALREADY_EXISTS": "Зьменная з назвай «%1» ужо існуе.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Зьменная з назвай «%1» ужо існуе зь іншым тыпам: «%2».",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Зьменная з назвай '%1' ужо існуе як парамэтар працэдуры '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "Выдаліць %1 выкарыстаньняў зьменнай «%2»?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Немагчыма выдаліць зьменную «%1», таму што яна зьяўляецца часткай вызначэньня функцыі «%2»",
 	"DELETE_VARIABLE": "Выдаліць зьменную «%1»",
@@ -57,7 +58,6 @@
 	"COLOUR_BLEND_COLOUR2": "колер 2",
 	"COLOUR_BLEND_RATIO": "дзеля",
 	"COLOUR_BLEND_TOOLTIP": "Зьмешвае два колеры ў дадзенай прапорцыі (0.0 — 1.0)",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "паўтарыць %1 раз(ы)",
 	"CONTROLS_REPEAT_INPUT_DO": "выканаць",
 	"CONTROLS_REPEAT_TOOLTIP": "Выконвае апэрацыі некалькі разоў.",
@@ -84,19 +84,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Дадаць, выдаліць ці пераставіць сэкцыі для пераканфігураваньня гэтага блёку «калі».",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Дадаць умову да блёку «калі».",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Дадаць заключную ўмову для ўсіх астатніх варыянтаў блёку «калі».",
-	"IOS_OK": "Добра",
-	"IOS_CANCEL": "Адмяніць",
-	"IOS_ERROR": "Памылка",
-	"IOS_PROCEDURES_INPUTS": "УВАХОДНЫЯ ЗЬВЕСТКІ",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Дадаць уваходныя зьвесткі",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Дазволіць сьцьверджаньні",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Уваходныя зьвесткі гэтай функцыі дублююцца.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Дадаць зьменную",
-	"IOS_VARIABLES_ADD_BUTTON": "Дадаць",
-	"IOS_VARIABLES_RENAME_BUTTON": "Перайменаваць",
-	"IOS_VARIABLES_DELETE_BUTTON": "Выдаліць",
-	"IOS_VARIABLES_VARIABLE_NAME": "Назва зьменнай",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Вы ня можаце выкарыстоўваць пустую назву зьменнай.",
 	"LOGIC_COMPARE_HELPURL": "https://be-x-old.wikipedia.org/wiki/%D0%9D%D1%8F%D1%80%D0%BE%D1%9E%D0%BD%D0%B0%D1%81%D1%8C%D1%86%D1%8C",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Вяртае «ісьціна», калі абодва ўводы роўныя.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Вяртае «ісьціна», калі абодва ўводы ня роўныя.",
@@ -121,6 +108,12 @@
 	"LOGIC_TERNARY_TOOLTIP": "Праверыць умову ў 'тэст'. Калі ўмова праўдзівая, будзе вернутае значэньне «калі ісьціна»; інакш будзе вернутае «калі хлусьня».",
 	"MATH_NUMBER_HELPURL": "https://be-x-old.wikipedia.org/wiki/%D0%9B%D1%96%D0%BA",
 	"MATH_NUMBER_TOOLTIP": "Лік.",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
 	"MATH_ARITHMETIC_HELPURL": "https://be-x-old.wikipedia.org/wiki/%D0%90%D1%80%D1%8B%D1%82%D0%BC%D1%8D%D1%82%D1%8B%D0%BA%D0%B0",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Вяртае суму двух лікаў.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Вяртае рознасьць двух лікаў.",
@@ -154,10 +147,8 @@
 	"MATH_IS_NEGATIVE": "адмоўная",
 	"MATH_IS_DIVISIBLE_BY": "дзеліцца на",
 	"MATH_IS_TOOLTIP": "Правярае, ці зьяўляецца лік парным, няпарным, простым, станоўчым, адмоўным, ці ён дзеліцца на пэўны лік без астатку. Вяртае значэньне ісьціна або няпраўда.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "зьмяніць %1 на %2",
 	"MATH_CHANGE_TOOLTIP": "Дадае лічбу да зьменнай '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Акругленьне ліку да большага ці меншага.",
 	"MATH_ROUND_OPERATOR_ROUND": "акругліць",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "акругліць да большага",
@@ -178,21 +169,16 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Вяртае стандартнае адхіленьне сьпісу.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "выпадковы элемэнт сьпісу",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Вяртае выпадковы элемэнт сьпісу.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "рэшта дзяленьня %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Вяртае рэшту дзяленьня двух лікаў.",
 	"MATH_CONSTRAIN_TITLE": "абмежаваць %1 зьнізу %2 зьверху %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Абмяжоўвае колькасьць ніжняй і верхняй межамі (уключна).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "выпадковая цэлая з %1 для %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Вяртае выпадковы цэлы лік паміж двума зададзенымі абмежаваньнямі ўключна.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "выпадковая дроб",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Вяртае выпадковую дроб у дыяпазоне ад 0,0 (уключна) да 1,0.",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 ад X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Вяртае арктангенс пункту (X, Y) у градусах ад -180 да 180.",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Літара, слова ці радок тэксту.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "стварыць тэкст з",
 	"TEXT_JOIN_TOOLTIP": "Стварае фрагмэнт тэксту аб’яднаньнем любой колькасьці элемэнтаў.",
@@ -239,13 +225,10 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Запытаць у карыстальніка лічбу.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Запытаць у карыстальніка тэкст.",
 	"TEXT_COUNT_MESSAGE0": "падлічыць %1 сярод %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Падлічвае колькі разоў нейкі тэкст сустракаецца ўнутры нейкага іншага тэксту.",
 	"TEXT_REPLACE_MESSAGE0": "замяніць %1 на %2 у %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "Замяняе ўсе выпадкі нейкага тэксту на іншы тэкст.",
 	"TEXT_REVERSE_MESSAGE0": "адваротна %1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "Мяняе парадак сымбаляў у тэксьце на адваротны.",
 	"LISTS_CREATE_EMPTY_TITLE": "стварыць пусты сьпіс",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Вяртае сьпіс даўжынёй 0, які ня ўтрымлівае запісаў зьвестак",
@@ -267,6 +250,7 @@
 	"LISTS_GET_INDEX_GET": "атрымаць",
 	"LISTS_GET_INDEX_GET_REMOVE": "атрымаць і выдаліць",
 	"LISTS_GET_INDEX_REMOVE": "выдаліць",
+	"LISTS_GET_INDEX_FROM_START": "№",
 	"LISTS_GET_INDEX_FROM_END": "№ з канца",
 	"LISTS_GET_INDEX_FIRST": "першы",
 	"LISTS_GET_INDEX_LAST": "апошні",
@@ -303,7 +287,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "па № з канца",
 	"LISTS_GET_SUBLIST_END_LAST": "да апошняга",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Стварае копію пазначанай часткі сьпісу.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "сартаваць %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Сартаваць копію сьпісу.",
 	"LISTS_SORT_ORDER_ASCENDING": "па павелічэньні",
@@ -316,7 +299,6 @@
 	"LISTS_SPLIT_WITH_DELIMITER": "з падзяляльнікам",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Падзяліць тэкст у сьпіс тэкстаў, па падзяляльніках.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Аб’ядноўвае сьпіс тэкстаў у адзін тэкст па падзяляльніках.",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "адваротна %1",
 	"LISTS_REVERSE_TOOLTIP": "Зьмяняе парадак копіі сьпісу на адваротны.",
 	"VARIABLES_GET_TOOLTIP": "Вяртае значэньне гэтай зьменнай.",
@@ -334,9 +316,7 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Стварае функцыю з вынікам.",
 	"PROCEDURES_ALLOW_STATEMENTS": "дазволіць зацьвярджэньне",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Увага: гэтая функцыя мае парамэтры-дублікаты.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Запусьціць функцыю вызначаную карыстальнікам '%1'.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Запусьціць функцыю вызначаную карыстальнікам '%1' і выкарыстаць яе вынік.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "парамэтры",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Дадаць, выдаліць ці запісаць чаргу ўваходных парамэтраў для гэтай функцыі.",
@@ -345,9 +325,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Падсьвяціць вызначэньне функцыі",
 	"PROCEDURES_CREATE_DO": "Стварыць '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Калі значэньне ісьціна, вярнуць другое значэньне.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Папярэджаньне: гэты блёк можа выкарыстоўвацца толькі ў вызначанай функцыі.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Напішыце што-небудзь…",
 	"WORKSPACE_ARIA_LABEL": "Працоўная прастора Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "Згорнутыя блёкі ўтрымліваюць папярэджаньні."
+	"COLLAPSED_WARNINGS_WARNING": "Згорнутыя блёкі ўтрымліваюць папярэджаньні.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Скасаваць"
 }
diff --git a/msg/json/be.json b/msg/json/be.json
index 97589450113..3b4954ed16e 100644
--- a/msg/json/be.json
+++ b/msg/json/be.json
@@ -1,7 +1,10 @@
 {
 	"@metadata": {
 		"authors": [
-			"SimondR"
+			"No Sleep till Krupki",
+			"Plaga med",
+			"SimondR",
+			"ZlyiLev"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "элемент",
@@ -32,7 +35,7 @@
 	"VARIABLE_ALREADY_EXISTS": "Пераменная з назвай '%1' ужо існуе.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Назва пераменнай '%1' ужо выкарыстоўваецца іншай пераменнай тыпу '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "Выдаліць %1 выкарыстання пераменнай '%2'?",
-	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Немагчыма выдаліць пераменную '%1', паколькі яна з'яўляецца часткай вызначэння функцыі '%2'",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Немагчыма выдаліць пераменную '%1', паколькі яна з’яўляецца часткай вызначэння функцыі '%2'",
 	"DELETE_VARIABLE": "Выдаліць пераменную '%1'",
 	"COLOUR_PICKER_HELPURL": "https://be.wikipedia.org/wiki/Колер",
 	"COLOUR_PICKER_TOOLTIP": "Выбраць колер з палітры.",
@@ -68,26 +71,13 @@
 	"CONTROLS_IF_TOOLTIP_1": "Калі значэнне ісцінае, то выканаць пэўныя дзеянні.",
 	"CONTROLS_IF_TOOLTIP_2": "Калі значэнне ісцінае, то выконваецца першы блок аператараў. У адваротным выпадку выконваецца другі блок аператараў.",
 	"CONTROLS_IF_TOOLTIP_3": "Калі першае значэнне ісцінае, то выконваецца першы блок аператараў. У адваротным выпадку, калі другое значэнне ісцінае, то выконваецца другі блок аператараў.",
-	"CONTROLS_IF_TOOLTIP_4": "Калі першае значэнне ісцінае, то выконваецца першы блок аператараў. У адваротным выпадку, калі другое значэнне ісцінае, то выконваецца другі блок аператараў. Калі ні адно з значэнняў не з'яўляецца ісціным, то выконваецца апошні блок аператараў.",
+	"CONTROLS_IF_TOOLTIP_4": "Калі першае значэнне ісцінае, то выконваецца першы блок аператараў. У адваротным выпадку, калі другое значэнне ісцінае, то выконваецца другі блок аператараў. Калі ні адно з значэнняў не з’яўляецца ісціным, то выконваецца апошні блок аператараў.",
 	"CONTROLS_IF_MSG_IF": "калі",
 	"CONTROLS_IF_MSG_ELSEIF": "інакш калі",
 	"CONTROLS_IF_MSG_ELSE": "інакш",
 	"CONTROLS_IF_IF_TOOLTIP": "Дадайце, выдаліце або змяніце парадак секцыяў, каб пераналадзіць гэты блок 'калі'.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Дадайце ўмову да блоку 'калі'",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Дадаць канчатковую, ўсёабдымную ўмову ў блок 'калі'.",
-	"IOS_OK": "Добра",
-	"IOS_CANCEL": "Адмяніць",
-	"IOS_ERROR": "Памылка",
-	"IOS_PROCEDURES_INPUTS": "УВАХОД",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Дадаць уваходную пераменную",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Дазволіць аператары",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "У гэтай функцыі ёсць уваходныя пераменныя, якія дубліруюцца.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Дадаць пераменную",
-	"IOS_VARIABLES_ADD_BUTTON": "Дадаць",
-	"IOS_VARIABLES_RENAME_BUTTON": "Перайменаваць",
-	"IOS_VARIABLES_DELETE_BUTTON": "Выдаліць",
-	"IOS_VARIABLES_VARIABLE_NAME": "Назва пераменнай",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Вы не можаце выкарыстоўваць пустое імя пераменнай.",
 	"LOGIC_COMPARE_HELPURL": "https://be.wikipedia.org/wiki/Няроўнасць",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Вяртае станоўчае значэнне, калі абодва ўводы роўныя адзін аднаму.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Вяртае станоўчае значэнне, калі ўводы не роўныя.",
@@ -144,7 +134,7 @@
 	"MATH_IS_POSITIVE": "станоўчае",
 	"MATH_IS_NEGATIVE": "адмоўнае",
 	"MATH_IS_DIVISIBLE_BY": "дзеліцца на",
-	"MATH_IS_TOOLTIP": "Правярае, ці з'яўляецца лік цотным, няцотным, простым, цэлым, станоўчым, адмоўным ці яно кратнае пэўнаму ліку. Вяртае значэнне ісціна або хлусня.",
+	"MATH_IS_TOOLTIP": "Правярае, ці з’яўляецца лік цотным, няцотным, простым, цэлым, станоўчым, адмоўным ці яно кратнае пэўнаму ліку. Вяртае значэнне ісціна або хлусня.",
 	"MATH_CHANGE_HELPURL": "https://be.wikipedia.org/wiki/Ідыёма (праграмаванне)",
 	"MATH_CHANGE_TITLE": "павялічыць %1 на %2",
 	"MATH_CHANGE_TOOLTIP": "Дадае лік да пераменнай '%1'.",
@@ -227,7 +217,7 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Запытаць у карыстальніка лік.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Запытаць у карыстальніка тэкст.",
 	"TEXT_COUNT_MESSAGE0": "падлічыць колькасць %1 у %2",
-	"TEXT_COUNT_TOOLTIP": "Падлічыць колькі разоў урывак тэксту з'яўляецца ў іншым тэксце.",
+	"TEXT_COUNT_TOOLTIP": "Падлічыць, колькі разоў урывак тэксту з’яўляецца ў іншым тэксце.",
 	"TEXT_REPLACE_MESSAGE0": "замяніць %1 на %2 у %3",
 	"TEXT_REPLACE_TOOLTIP": "Замяніць усе ўваходжанні некаторага тэксту іншым тэкстам.",
 	"TEXT_REVERSE_MESSAGE0": "змяніць парадак на зваротны %1",
@@ -288,10 +278,9 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "па # з канца",
 	"LISTS_GET_SUBLIST_END_LAST": "па апошні",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Стварае копію ўказанай частцы спісу.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "сартаваць %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Сартаваць копію спісу.",
-	"LISTS_SORT_ORDER_ASCENDING": "па ўзрастанню",
+	"LISTS_SORT_ORDER_ASCENDING": "па ўзрастанні",
 	"LISTS_SORT_ORDER_DESCENDING": "па спаданню",
 	"LISTS_SORT_TYPE_NUMERIC": "лікавая",
 	"LISTS_SORT_TYPE_TEXT": "па алфавіце",
@@ -312,22 +301,24 @@
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "выканаць нешта",
 	"PROCEDURES_BEFORE_PARAMS": "з:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "з:",
-	"PROCEDURES_DEFNORETURN_TOOLTIP": "Стварыць працэдуру, якая ня вяртае значэнне.",
+	"PROCEDURES_DEFNORETURN_TOOLTIP": "Стварыць функцыю, якая не вяртае значэнне.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Апішыце гэтую функцыю...",
 	"PROCEDURES_DEFRETURN_RETURN": "вярнуць",
-	"PROCEDURES_DEFRETURN_TOOLTIP": "Стварыць працэдуру, якая вяртае значэнне.",
+	"PROCEDURES_DEFRETURN_TOOLTIP": "Стварыць функцыю, якая вяртае значэнне.",
 	"PROCEDURES_ALLOW_STATEMENTS": "дазволіць аператары",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Папярэджанне: гэтая функцыя мае паўтаральныя параметры.",
 	"PROCEDURES_CALLNORETURN_HELPURL": "https://be.wikipedia.org/wiki/Падпраграма",
-	"PROCEDURES_CALLNORETURN_TOOLTIP": "Выконвае вызначаную карыстальнікам працэдуру '%1'.",
+	"PROCEDURES_CALLNORETURN_TOOLTIP": "Выконвае вызначаную карыстальнікам функцыю '%1'.",
 	"PROCEDURES_CALLRETURN_HELPURL": "https://be.wikipedia.org/wiki/Падпраграма",
-	"PROCEDURES_CALLRETURN_TOOLTIP": "Выконвае вызначаную карыстальнікам працэдуру '%1' і вяртае вылічанае значэнне.",
+	"PROCEDURES_CALLRETURN_TOOLTIP": "Выконвае вызначаную карыстальнікам функцыю '%1' і ўжыць яе значэнне.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "параметры",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Дадаць, выдаліць або змяніць парадак уваходных параметраў для гэтай функцыі.",
 	"PROCEDURES_MUTATORARG_TITLE": "імя параметра:",
 	"PROCEDURES_MUTATORARG_TOOLTIP": "Дадаць уваходны параметр ў функцыю.",
-	"PROCEDURES_HIGHLIGHT_DEF": "Вылучыць вызначэнне працэдуры",
+	"PROCEDURES_HIGHLIGHT_DEF": "Вылучыць вызначэнне функцыі",
 	"PROCEDURES_CREATE_DO": "Стварыць выклік '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Калі першае значэнне ісцінае, вяртае другое значэнне.",
-	"PROCEDURES_IFRETURN_WARNING": "Папярэджанне: гэты блок можа выкарыстоўвацца толькі ўнутры вызначэння функцыі."
+	"PROCEDURES_IFRETURN_WARNING": "Папярэджанне: гэты блок можа выкарыстоўвацца толькі ўнутры вызначэння функцыі.",
+	"DIALOG_OK": "Добра",
+	"DIALOG_CANCEL": "Адмяніць"
 }
diff --git a/msg/json/bg.json b/msg/json/bg.json
index e9399f724c1..66cfde41a99 100644
--- a/msg/json/bg.json
+++ b/msg/json/bg.json
@@ -5,6 +5,7 @@
 			"Gkostov",
 			"InsomniHat",
 			"Miroslav35232",
+			"NikiTricky",
 			"ShockD",
 			"StanProg",
 			"Vlad5250",
@@ -22,7 +23,7 @@
 	"INLINE_INPUTS": "Вътрешни входове",
 	"DELETE_BLOCK": "Изтрий блок",
 	"DELETE_X_BLOCKS": "Изтрий %1 блока",
-	"DELETE_ALL_BLOCKS": "Изтриване на всички 1% блокове?",
+	"DELETE_ALL_BLOCKS": "Изтриване на всички %1 блокове?",
 	"CLEAN_UP": "Премахни блокове",
 	"COLLAPSE_BLOCK": "Скрий блок",
 	"COLLAPSE_ALL": "Скрий блокове",
@@ -44,6 +45,7 @@
 	"NEW_VARIABLE_TITLE": "Ново име на променливата:",
 	"VARIABLE_ALREADY_EXISTS": "Променлива с име '%1' вече съществува.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Променлива с име '%1' вече съществува за друг тип: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Променлива с име '%1' вече съществува като параметър в процедурата '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "Изтриване на %1 използване на променлива '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Променливата '%1' не може да бъде изтрита, защото е част от определението на функцията '%2'",
 	"DELETE_VARIABLE": "Изтриване на променливата \"%1\"",
@@ -88,20 +90,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Добави, премахни или пренареди частите, за да промениш този „ако“ блок.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Добави условие към „ако“ блока.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Добави окончателно, прихващащо всички останали случаи условие към блок „ако“.",
-	"IOS_OK": "Добре",
-	"IOS_CANCEL": "Отказ",
-	"IOS_ERROR": "Грешка",
-	"IOS_PROCEDURES_INPUTS": "Входни данни",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Добавяне на данни",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Позволи твърденията",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Тази функция има дублирани входни данни.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Добавяне на променлива",
-	"IOS_VARIABLES_ADD_BUTTON": "Добавяне",
-	"IOS_VARIABLES_RENAME_BUTTON": "Преименуване",
-	"IOS_VARIABLES_DELETE_BUTTON": "Изтриване",
-	"IOS_VARIABLES_VARIABLE_NAME": "Име на променливата",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Не може да използвате празно име за променлива",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Върни вярно, ако двата параметъра са еднакви.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Върни вярно, ако двата параметъра са различни.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Върни вярно, ако първият параметър е по-малък от втория.",
@@ -125,13 +113,18 @@
 	"LOGIC_TERNARY_TOOLTIP": "Провери условието в „тест“. Ако условието е истина, върни стойността „ако е вярно“, иначе върни стойността „ако е невярно“.",
 	"MATH_NUMBER_HELPURL": "https://bg.wikipedia.org/wiki/Число",
 	"MATH_NUMBER_TOOLTIP": "Число.",
+	"MATH_TRIG_SIN": "синус",
+	"MATH_TRIG_COS": "косинус",
+	"MATH_TRIG_TAN": "тангенс",
+	"MATH_TRIG_ASIN": "аркус синус",
+	"MATH_TRIG_ACOS": "аркус косинус",
+	"MATH_TRIG_ATAN": "аркус тангенс",
 	"MATH_ARITHMETIC_HELPURL": "https://bg.wikipedia.org/wiki/Аритметика",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Върни сумата на двете числа.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Върни разликата на двете числа.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Върни произведението на двете числа.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Върни частното на двете числа.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Върни първото число, повдигнато на степен на второто число.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "корен квадратен",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Връща корен квадратен от число.",
 	"MATH_SINGLE_OP_ABSOLUTE": "абсолютна",
@@ -148,7 +141,7 @@
 	"MATH_TRIG_TOOLTIP_ASIN": "Върни аркуссинус от число.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Върни аркускосинус от число.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Върни аркустангенс от число.",
-	"MATH_CONSTANT_HELPURL": "http://bg.wikipedia.org/wiki/Константа",
+	"MATH_CONSTANT_HELPURL": "https://bg.wikipedia.org/wiki/Константа",
 	"MATH_CONSTANT_TOOLTIP": "Връща една от често срещаните константи: π (3.141...), e (2.718...), φ (1.618...), sqrt(2) (1.414...), sqrt(½) (0.707...) или ∞ (безкрайност).",
 	"MATH_IS_EVEN": "е четно",
 	"MATH_IS_ODD": "е нечетно",
@@ -161,7 +154,6 @@
 	"MATH_CHANGE_HELPURL": "https://bg.wikipedia.org/wiki/Събиране",
 	"MATH_CHANGE_TITLE": "промени %1 на %2",
 	"MATH_CHANGE_TOOLTIP": "Добави число към променлива „%1“.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Закръгли число нагоре или надолу.",
 	"MATH_ROUND_OPERATOR_ROUND": "закръгли",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "закръгли нагоре",
@@ -182,7 +174,7 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Връща стандартното отклонение на списъка.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "случаен елемент от списъка",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Върни случаен елемент от списъка.",
-	"MATH_MODULO_HELPURL": "http://bg.wikipedia.org/wiki/Остатък",
+	"MATH_MODULO_HELPURL": "https://bg.wikipedia.org/wiki/Остатък",
 	"MATH_MODULO_TITLE": "остатъка от делението на %1 на %2",
 	"MATH_MODULO_TOOLTIP": "Върни остатъка от деление на две числа.",
 	"MATH_CONSTRAIN_TITLE": "ограничи %1 между %2 и %3",
@@ -193,7 +185,6 @@
 	"MATH_RANDOM_FLOAT_HELPURL": "https://bg.wikipedia.org/wiki/Генератор_на_случайни_числа",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "случайно дробно число",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Върни случайно дробно число между 0.0 (включително) и 1.0 (без да го включва)",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 от X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Връща аркустангенс на точка (X, Y) в градуси от -180 до 180.",
 	"TEXT_TEXT_HELPURL": "https://bg.wikipedia.org/wiki/Низ",
@@ -243,13 +234,10 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Питай потребителя за число.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Питай потребителя за текст.",
 	"TEXT_COUNT_MESSAGE0": "пресмята броя на %1 в %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Преброй колко пъти даден текст се среща в друг текст.",
 	"TEXT_REPLACE_MESSAGE0": "замяна на %1 с %2 в %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "Замени всички появи на даден текст в друг текст.",
 	"TEXT_REVERSE_MESSAGE0": "промени реда на обратно %1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "Промени реда на знаците в текста на обратно.",
 	"LISTS_CREATE_EMPTY_TITLE": "създай празен списък",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Връща списък с дължина 0, не съдържащ данни",
@@ -271,6 +259,7 @@
 	"LISTS_GET_INDEX_GET": "вземи",
 	"LISTS_GET_INDEX_GET_REMOVE": "вземи и премахни",
 	"LISTS_GET_INDEX_REMOVE": "премахни",
+	"LISTS_GET_INDEX_FROM_START": "№",
 	"LISTS_GET_INDEX_FROM_END": "№ от края",
 	"LISTS_GET_INDEX_FIRST": "първия",
 	"LISTS_GET_INDEX_LAST": "последния",
@@ -307,7 +296,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "до № открая",
 	"LISTS_GET_SUBLIST_END_LAST": "до края",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Копира част от списък.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "сортиране по %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Подреди копие на списъка.",
 	"LISTS_SORT_ORDER_ASCENDING": "възходящо",
@@ -320,7 +308,6 @@
 	"LISTS_SPLIT_WITH_DELIMITER": "с разделител",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Разделя текст в списък на текстове, по всеки разделител.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Събира списък от текстове в един текст, раделени с разделител.",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "промени реда на обратно %1",
 	"LISTS_REVERSE_TOOLTIP": "Промени реда на списъка на обратно.",
 	"VARIABLES_GET_TOOLTIP": "Връща стойността на тази променлива.",
@@ -349,9 +336,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Покажи дефиницията на функцията",
 	"PROCEDURES_CREATE_DO": "Създай '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Ако стойността е вярна, върни втората стойност.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Предупреждение: Този блок може да се използва само във функция.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Коментирайте нещо...",
 	"WORKSPACE_ARIA_LABEL": "Работна област на Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "Свитите блокове съдържат предупреждения."
+	"COLLAPSED_WARNINGS_WARNING": "Свитите блокове съдържат предупреждения.",
+	"DIALOG_OK": "ОК",
+	"DIALOG_CANCEL": "Отказ"
 }
diff --git a/msg/json/bn.json b/msg/json/bn.json
index eaf9aded008..115b415ab30 100644
--- a/msg/json/bn.json
+++ b/msg/json/bn.json
@@ -2,6 +2,7 @@
 	"@metadata": {
 		"authors": [
 			"Aftabuzzaman",
+			"Aishik Rehman",
 			"MasterMinhaz",
 			"Rakibul",
 			"Rasal Lia",
@@ -15,8 +16,8 @@
 	"TODAY": "আজ",
 	"DUPLICATE_BLOCK": "প্রতিলিপি",
 	"ADD_COMMENT": "মন্তব্য যোগ করুন",
-	"REMOVE_COMMENT": "মন্তব্য সরাও",
-	"EXTERNAL_INPUTS": "বহি:স্থ ইনপুট",
+	"REMOVE_COMMENT": "মন্তব্য সরান",
+	"EXTERNAL_INPUTS": "বহিস্থ ইনপুট",
 	"INLINE_INPUTS": "সারি ইনপুট",
 	"DELETE_BLOCK": "ব্লকটি মুছে ফেল",
 	"DELETE_X_BLOCKS": "%1 ব্লক অপসারণ কর",
@@ -66,7 +67,7 @@
 	"CONTROLS_FOR_TOOLTIP": "চলক %1 প্রস্তুত করুন, শুরু থেকে শেষ পর্যন্ত সংখ্যা গ্রহন করতে যা নির্দেশিত বিরতি গণনা করছে এবং নির্দেশিত ব্লক সমূহ সম্পন্ন করতে।",
 	"CONTROLS_FOR_TITLE": "গণনা কর %1 %4 দিয়ে %2 থেকে %3",
 	"CONTROLS_FOREACH_TITLE": "প্রত্যেকটি পদের জন্য %1 তালিকার মধ্যে %2",
-	"CONTROLS_FOREACH_TOOLTIP": "কোন তালিকায় প্রতিবারের জন্য, আইটেমের সাথে চলক '%1' বসান এবং কিছু বিবরণ দিন।",
+	"CONTROLS_FOREACH_TOOLTIP": "কোনো তালিকায় প্রতিবারের জন্য, আইটেমের সাথে চলক '%1' বসান এবং কিছু বিবরণ দিন।",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "প্রবেশপথ থেকে চলে অাসুন",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "পুনরাবৃত্তি চালিয়ে যান পরবর্তী প্রবেশপথে",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "সংশ্লিষ্ট প্রবেশপথ থেকে চলে অাসুন",
@@ -79,14 +80,6 @@
 	"CONTROLS_IF_MSG_ELSEIF": "নতুবা যদি",
 	"CONTROLS_IF_MSG_ELSE": "নতুবা",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "যদি নামক ব্লক এ একটি শর্ত যোগ করুন।",
-	"IOS_OK": "ঠিক আছে",
-	"IOS_CANCEL": "বাতিল",
-	"IOS_ERROR": "ত্রুটি",
-	"IOS_VARIABLES_ADD_BUTTON": "যোগ",
-	"IOS_VARIABLES_RENAME_BUTTON": "পুনরায় শুরু",
-	"IOS_VARIABLES_DELETE_BUTTON": "অপসারণ",
-	"IOS_VARIABLES_VARIABLE_NAME": "চলকের নাম",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "অাপনি চলকের নাম খালি রাখতে পারেননা।",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "পাঠাবে সত্য যদি উভয় ইনপুটই সমান হয়।",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "পাঠাবে সত্য যদি উভয় ইনপুটই সমান না হয়।",
 	"LOGIC_COMPARE_TOOLTIP_LT": "পাঠাবে সত্য যদি প্রথম ইনপুট দ্বিতীয় ইনপুট থেকে ছোট হয়।",
@@ -95,7 +88,7 @@
 	"LOGIC_COMPARE_TOOLTIP_GTE": "পাঠাবে সত্য যদি প্রথম ইনপুট দ্বিতীয় ইনপুট থেকে বড় অথবা সমান হয়।",
 	"LOGIC_OPERATION_TOOLTIP_AND": "পাঠাবে সত্য যদি উভয় ইনপুটই সত্য হয়।",
 	"LOGIC_OPERATION_AND": "এবং",
-	"LOGIC_OPERATION_TOOLTIP_OR": "পাঠাবে সত্য যদি অন্ততপক্ষে যেকোন একটি ইনপুট সত্য হয়।",
+	"LOGIC_OPERATION_TOOLTIP_OR": "পাঠাবে সত্য যদি অন্ততপক্ষে যেকোনো একটি ইনপুট সত্য হয়।",
 	"LOGIC_OPERATION_OR": "অথবা",
 	"LOGIC_NEGATE_TITLE": "%1 নয়",
 	"LOGIC_NEGATE_TOOLTIP": "পাঠাবে সত্য যদি ইনপুট মিথ্যা হয়। পাঠাবে মিথ্যা যদি ইনপুট সত্য হয়।",
@@ -151,10 +144,9 @@
 	"TEXT_TRIM_OPERATOR_RIGHT": "ডানপাশ থেকে খালি অংশ ছাটাই",
 	"TEXT_PRINT_TITLE": "%1 মুদ্রণ করুন",
 	"TEXT_REVERSE_MESSAGE0": "%1 উল্টান",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"LISTS_CREATE_EMPTY_TITLE": "খালি তালিকা তৈরি করুন",
-	"LISTS_CREATE_EMPTY_TOOLTIP": "পাঠাবে একটি তালিকা, দের্ঘ্য হবে ০, কোন উপাত্ত থাকবে না",
-	"LISTS_CREATE_WITH_TOOLTIP": "যেকোন সংখ্যক পদ নিয়ে একটি তালিকা তৈরি করুন।",
+	"LISTS_CREATE_EMPTY_TOOLTIP": "পাঠাবে একটি তালিকা, দের্ঘ্য হবে ০, কোনো উপাত্ত থাকবে না",
+	"LISTS_CREATE_WITH_TOOLTIP": "যেকোনো সংখ্যক পদ নিয়ে একটি তালিকা তৈরি করুন।",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "তালিকা",
 	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "তালিকায় একটি পদ যোগ করুন।",
 	"LISTS_LENGTH_TITLE": "%1-এর দৈর্ঘ্য",
@@ -173,7 +165,7 @@
 	"LISTS_GET_INDEX_RANDOM": "এলোমেলো",
 	"LISTS_GET_INDEX_TOOLTIP_GET_FIRST": "তালিকার প্রথম পদটি পাঠাবে।",
 	"LISTS_GET_INDEX_TOOLTIP_GET_LAST": "তালিকার শেষ পদটি পাঠাবে।",
-	"LISTS_GET_INDEX_TOOLTIP_GET_RANDOM": "এলোমেলোভাবে তালিকার যেকোন একটি পদ পাঠাবে।",
+	"LISTS_GET_INDEX_TOOLTIP_GET_RANDOM": "এলোমেলোভাবে তালিকার যেকোনো একটি পদ পাঠাবে।",
 	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST": "অপসারণ করুন এবং তালিকার প্রথম পদটি পাঠান।",
 	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST": "অপসারণ করুন এবং তালিকার শেষ পদটি পাঠান।",
 	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM": "অপসারণ করুন এবং তালিকার এলোমেলো একটি পদ পাঠান।",
@@ -191,5 +183,7 @@
 	"PROCEDURES_MUTATORARG_TITLE": "ইনপুটের নাম:",
 	"PROCEDURES_MUTATORARG_TOOLTIP": "ক্রিয়াতে একটি ইনপুট যোগ করুন।",
 	"PROCEDURES_HIGHLIGHT_DEF": "ক্রিয়ার সংজ্ঞা উজ্জল করুন",
-	"PROCEDURES_IFRETURN_TOOLTIP": "যদি মান সত্য হয় তাহলে দ্বিতীয় মান পাঠাবে।"
+	"PROCEDURES_IFRETURN_TOOLTIP": "যদি মান সত্য হয় তাহলে দ্বিতীয় মান পাঠাবে।",
+	"DIALOG_OK": "ঠিক আছে",
+	"DIALOG_CANCEL": "বাতিল"
 }
diff --git a/msg/json/br.json b/msg/json/br.json
index e596f2b1485..59b033b5398 100644
--- a/msg/json/br.json
+++ b/msg/json/br.json
@@ -1,6 +1,7 @@
 {
 	"@metadata": {
 		"authors": [
+			"Adriendelucca",
 			"Fohanno",
 			"Fulup",
 			"Gwenn-Ael",
@@ -44,7 +45,7 @@
 	"DELETE_VARIABLE_CONFIRMATION": "Lemel %1 implij eus an argemm '%2' ?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Ne ch'aller ket dilemel an argemmenn \"%1\" dre m'eo lod eus dielfennadur an arc'hwel \"%2\"",
 	"DELETE_VARIABLE": "Lemel an argemm '%1'",
-	"COLOUR_PICKER_HELPURL": "http://br.wikipedia.org/wiki/Liv",
+	"COLOUR_PICKER_HELPURL": "https://br.wikipedia.org/wiki/Liv",
 	"COLOUR_PICKER_TOOLTIP": "Dibab ul liv diwar al livaoueg.",
 	"COLOUR_RANDOM_TITLE": "liv dargouezhek",
 	"COLOUR_RANDOM_TOOLTIP": "Tennañ ul liv d'ar sord",
@@ -58,7 +59,6 @@
 	"COLOUR_BLEND_COLOUR2": "liv 2",
 	"COLOUR_BLEND_RATIO": "feur",
 	"COLOUR_BLEND_TOOLTIP": "a gemmesk daou liv gant ur feur roet(0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "adober %1 gwech",
 	"CONTROLS_REPEAT_INPUT_DO": "ober",
 	"CONTROLS_REPEAT_TOOLTIP": "Seveniñ urzhioù zo meur a wech",
@@ -85,20 +85,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Ouzhpennañ, lemel pe adurzhiañ ar rannoù evit kefluniañ ar bloc'h ma.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Ouzhpennañ un amplegad d'ar bloc'h ma.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Ouzhpennañ un amplegad dibenn lak-pep-tra d'ar bloc'h ma.",
-	"IOS_OK": "Mat eo",
-	"IOS_CANCEL": "Nullañ",
-	"IOS_ERROR": "Fazi",
-	"IOS_PROCEDURES_INPUTS": "MONEDOÙ",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Ouzhpennañ ur moned",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Urzhioù aotreet",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "An arc'hwel-mañ en deus monedoù eiladet.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Ouzhpennañ un argemmenn",
-	"IOS_VARIABLES_ADD_BUTTON": "Ouzhpennañ",
-	"IOS_VARIABLES_RENAME_BUTTON": "Adenvel",
-	"IOS_VARIABLES_DELETE_BUTTON": "Diverkañ",
-	"IOS_VARIABLES_VARIABLE_NAME": "Anv an argemmenn",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Ne c'hallit ket implijout un anv argemmenn c'houllo.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Distreiñ gwir m'eo par an daou voned.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Distreiñ gwir ma n'eo ket par an daou voned.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Distreiñ gwir m'eo bihanoc'h ar moned kentañ eget an eil.",
@@ -122,6 +108,12 @@
 	"LOGIC_TERNARY_TOOLTIP": "Gwiriañ an amplegad e 'prouad'. M'eo gwir an amplegad, distreiñ an dalvoudenn 'm'eo gwir'; anez distreiñ ar moned 'm'eo faos'.",
 	"MATH_NUMBER_HELPURL": "https://br.wikipedia.org/wiki/Niver",
 	"MATH_NUMBER_TOOLTIP": "Un niver.",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
 	"MATH_ARITHMETIC_HELPURL": "https://br.wikipedia.org/wiki/Aritmetik",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Distreiñ sammad daou niver.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Distreiñ diforc'h daou niver",
@@ -145,8 +137,7 @@
 	"MATH_TRIG_TOOLTIP_ASIN": "Distreiñ ark sinuz un niver",
 	"MATH_TRIG_TOOLTIP_ACOS": "Distreiñ ark kosinuz un niver",
 	"MATH_TRIG_TOOLTIP_ATAN": "Distreiñ ark tangent un niver",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
-	"MATH_CONSTANT_TOOLTIP": "Distreiñ unan eus  digemmennoù red : π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (anvevenn).",
+	"MATH_CONSTANT_TOOLTIP": "Distreiñ unan eus digemmennoù red : π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (anvevenn).",
 	"MATH_IS_EVEN": "zo par",
 	"MATH_IS_ODD": "zo ampar",
 	"MATH_IS_PRIME": "zo kentañ",
@@ -155,10 +146,8 @@
 	"MATH_IS_NEGATIVE": "a zo negativel",
 	"MATH_IS_DIVISIBLE_BY": "a zo rannadus dre",
 	"MATH_IS_TOOLTIP": "Gwiriañ m'eo par, anpar, kentañ, muiel, leiel un niverenn pe ma c'haller rannañ anezhi dre un niver roet zo. Distreiñ gwir pe faos.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "kemmañ %1 gant %2",
 	"MATH_CHANGE_TOOLTIP": "Ouzhpennañ un niver d'an argemmenn '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Rontaat un niver dindan pe a-us",
 	"MATH_ROUND_OPERATOR_ROUND": "Rontaat",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "Rontaat a-us",
@@ -179,21 +168,17 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Distreiñ forc'had standart al listenn.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "Elfennn eus al listenn tennet d'ar sord",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Distreiñ un elfenn zargouezhek el listenn",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "rest eus %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Distreiñ dilerc'h rannadur an div niver",
 	"MATH_CONSTRAIN_TITLE": "destrizhañ %1 etre %2 ha %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Destrizhañ un niver da vezañ etre ar bevennoù spisaet (enlakaet)",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "anterin dargouezhek etre %1 ha %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Distreiñ un anterin dargouezhek etre an div vevenn spisaet, endalc'het.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "Rann dargouezhek",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Distreiñ ur rann dargouezhek etre 0.0 (enkaelat) hag 1.0 (ezkaelat).",
 	"MATH_ATAN2_HELPURL": "https://fr.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 eus X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Adkas a ra ark tangent ar poent (X, Y) e derezioù etre -180 ha 180",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Ul lizherenn, ur ger pe ul linennad testenn.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "krouiñ un destenn gant",
 	"TEXT_JOIN_TOOLTIP": "Krouit un tamm testenn en ur gevelstrollañ un niver bennak a elfennoù",
@@ -240,17 +225,13 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Goulenn un niver gant an implijer.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Goulenn un destenn gant an implijer.",
 	"TEXT_COUNT_MESSAGE0": "niver %1 war %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Kontañ pet gwech e c'hoarvez un destenn bennak en un destenn bennak all.",
 	"TEXT_REPLACE_MESSAGE0": "erlec'hiañ %1 gant %2 e %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "Erlec'hiañ holl reveziadennoù un destenn bennak gant un destenn all.",
 	"TEXT_REVERSE_MESSAGE0": "eilpennañ %1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "Eilpennañ urzh an arouezennoù en destenn.",
 	"LISTS_CREATE_EMPTY_TITLE": "krouiñ ur roll goullo",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Distreiñ ul listenn, 0 a hirder, n'eus enrolladenn ebet enni",
-	"LISTS_CREATE_WITH_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_CREATE_WITH_TOOLTIP": "Krouiñ ur roll gant un niver bennak a elfennoù.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "krouiñ ur roll gant",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "roll",
@@ -269,6 +250,7 @@
 	"LISTS_GET_INDEX_GET": "tapout",
 	"LISTS_GET_INDEX_GET_REMOVE": "tapout ha lemel",
 	"LISTS_GET_INDEX_REMOVE": "lemel",
+	"LISTS_GET_INDEX_FROM_START": "#",
 	"LISTS_GET_INDEX_FROM_END": "# adalek ar fin",
 	"LISTS_GET_INDEX_FIRST": "kentañ",
 	"LISTS_GET_INDEX_LAST": "diwezhañ",
@@ -305,7 +287,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "betek # adalek an dibenn",
 	"LISTS_GET_SUBLIST_END_LAST": "betek ar fin",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Krouiñ un eilad eus lodenn spisaet ul listenn.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_SORT_TITLE": "Rummañ%1,%2,%3",
 	"LISTS_SORT_TOOLTIP": "Rummañ un eilenn eus ar roll",
 	"LISTS_SORT_ORDER_ASCENDING": "war gresk",
@@ -313,13 +294,11 @@
 	"LISTS_SORT_TYPE_NUMERIC": "niverel",
 	"LISTS_SORT_TYPE_TEXT": "Dre urzh al lizherenneg",
 	"LISTS_SORT_TYPE_IGNORECASE": "Dre urzh al lizherenneg, hep derc'hel kont eus an direnneg",
-	"LISTS_SPLIT_HELPURL": "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "Krouiñ ul listenn diwar an destenn",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "Krouiñ un destenn diwar al listenn",
 	"LISTS_SPLIT_WITH_DELIMITER": "gant an dispartier",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Troc'hañ un destenn en ul listennad testennoù, o troc'hañ e pep dispartier.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Bodañ ul listennad testennoù en ul listenn hepken, o tispartiañ anezho gant un dispartier.",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "eilpennañ %1",
 	"LISTS_REVERSE_TOOLTIP": "Eilpennañ un eilskrid eus ur roll.",
 	"VARIABLES_GET_TOOLTIP": "Distreiñ talvoud an argemm-mañ.",
@@ -337,9 +316,7 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Kouiñ un arc'hwel gant ur mont er-maez",
 	"PROCEDURES_ALLOW_STATEMENTS": "aotren an disklêriadurioù",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Diwallit : an arc'hwel-mañ en deus arventennoù eiladet.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Seveniñ an arc'hwel '%1' termenet gant an implijer.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Seveniñ an arc'hwel '%1' termenet gant an implijer hag implijout e zisoc'h.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "Monedoù",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Ouzhpennañ, lemel, pe adkempenn monedoù an arc'hwel-mañ.",
@@ -351,5 +328,7 @@
 	"PROCEDURES_IFRETURN_WARNING": "Diwallit : Gallout a rafe ar bloc'h bezañ implijet e termenadur un arc'hwel hepken.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Lavaret un dra bennak...",
 	"WORKSPACE_ARIA_LABEL": "Takad labour Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "Kemennoù-diwall zo er bloc'hadoù pleget."
+	"COLLAPSED_WARNINGS_WARNING": "Kemennoù-diwall zo er bloc'hadoù pleget.",
+	"DIALOG_OK": "Mat eo",
+	"DIALOG_CANCEL": "Nullañ"
 }
diff --git a/msg/json/bs.json b/msg/json/bs.json
new file mode 100644
index 00000000000..f561d647a87
--- /dev/null
+++ b/msg/json/bs.json
@@ -0,0 +1,166 @@
+{
+	"@metadata": {
+		"authors": [
+			"Palapa",
+			"Semso98"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "stavka",
+	"UNNAMED_KEY": "neimenovano",
+	"TODAY": "Danas",
+	"DUPLICATE_BLOCK": "Dupliciraj",
+	"ADD_COMMENT": "Dodaj komentar",
+	"REMOVE_COMMENT": "Ukloni komentare",
+	"DUPLICATE_COMMENT": "Kopiraj komentar",
+	"EXTERNAL_INPUTS": "Vanjski ulazi",
+	"INLINE_INPUTS": "Redni ulazi",
+	"DELETE_BLOCK": "Obriši blok",
+	"DELETE_X_BLOCKS": "Obriši %1 blokova",
+	"DELETE_ALL_BLOCKS": "Izbrisati svih %1 blokova?",
+	"CLEAN_UP": "Očisti blokove",
+	"COLLAPSE_BLOCK": "Skupi blok",
+	"COLLAPSE_ALL": "Skupi blokove",
+	"EXPAND_BLOCK": "Proširi blok",
+	"EXPAND_ALL": "Proširi blokove",
+	"DISABLE_BLOCK": "Onemogući blok",
+	"ENABLE_BLOCK": "Omogući blok",
+	"HELP": "Pomoć",
+	"UNDO": "Poništi",
+	"REDO": "Ponovi",
+	"CHANGE_VALUE_TITLE": "Promijeni vrijednost:",
+	"RENAME_VARIABLE": "Preimenuj varijablu...",
+	"RENAME_VARIABLE_TITLE": "Preimenuj sve \"%1\" varijable u:",
+	"NEW_VARIABLE": "Napravi varijablu...",
+	"NEW_STRING_VARIABLE": "Napravi varijablu niza...",
+	"NEW_NUMBER_VARIABLE": "Napravi varijablu broja...",
+	"NEW_COLOUR_VARIABLE": "Napravi varijablu boje...",
+	"NEW_VARIABLE_TYPE_TITLE": "Vrsta nove varijable:",
+	"NEW_VARIABLE_TITLE": "Ime nove varijable:",
+	"VARIABLE_ALREADY_EXISTS": "Varijabla s imenom \"%1\" već postoji.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Varijabla s imenom \"%1\" već postoji za drugu vrstu: \"%2\".",
+	"DELETE_VARIABLE_CONFIRMATION": "Izbrisati %1 upotrebu varijable \"%2\"?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Ne mogu izbrisati varijablu \"%1\" jer je dio definicije funckije \"%2\"",
+	"DELETE_VARIABLE": "Izbriši varijablu \"%1\"",
+	"COLOUR_PICKER_HELPURL": "https://bs.wikipedia.org/wiki/Boja",
+	"COLOUR_PICKER_TOOLTIP": "Izaberi boju sa palete.",
+	"COLOUR_RANDOM_TITLE": "nasumična boja",
+	"COLOUR_RANDOM_TOOLTIP": "Odaberi boju nasumično.",
+	"COLOUR_RGB_TITLE": "boja sa",
+	"COLOUR_RGB_RED": "crvenom",
+	"COLOUR_RGB_GREEN": "zelenom",
+	"COLOUR_RGB_BLUE": "plavom",
+	"COLOUR_RGB_TOOLTIP": "Napravi boju s određenom količinom crvene, zelene i plave boje. Sve vrijednosti moraju biti između 0 i 100.",
+	"COLOUR_BLEND_TITLE": "pomiješaj",
+	"COLOUR_BLEND_COLOUR1": "boju 1",
+	"COLOUR_BLEND_COLOUR2": "boju 2",
+	"COLOUR_BLEND_RATIO": "odnos",
+	"COLOUR_BLEND_TOOLTIP": "Pomiješaj dvije boje zajedno sa zadanim odnosom (0.0 - 1.0).",
+	"CONTROLS_REPEAT_TITLE": "ponovi %1 puta",
+	"CONTROLS_REPEAT_INPUT_DO": "izvrši",
+	"CONTROLS_REPEAT_TOOLTIP": "Izvrši neku naredbu nekoliko puta.",
+	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "ponavljati dok",
+	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "ponavljati do",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Dok je vrijednost tačna, izvršava neke naredbe.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Dok je vrijednost netačna, izvršava neke naredbe.",
+	"CONTROLS_FOR_TOOLTIP": "Neka varijabla \"%1\" uzima vrijednosti od početnog do krajnjeg broja, brojeći po određenom intervalu i neka izvršava određene blokove.",
+	"CONTROLS_FOR_TITLE": "broji sa %1 od %2 do %3 po %4",
+	"CONTROLS_FOREACH_TITLE": "za svaku stavku %1 na spisku %2",
+	"CONTROLS_FOREACH_TOOLTIP": "Za svaku stavku na spisku, dodjeljuje vrijednost stavke varijabli \"%1\", a zatim izvršava neke naredbe.",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "izađi iz petlje",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "nastavi sa sljedećom iteracijom petlje",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Napusti petlju koja sadrži ovaj blok.",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "Preskoči ostatak ove petlje i nastavi sa sljedećom iteracijom.",
+	"CONTROLS_FLOW_STATEMENTS_WARNING": "Upozorenje: Ovaj blok se može koristiti samo unutar petlje.",
+	"CONTROLS_IF_TOOLTIP_1": "Ako je vrijednost tačna, izvršava neke naredbe.",
+	"CONTROLS_IF_TOOLTIP_2": "Ako je vrijednost tačna, izvršava neke naredbe. U suprotnom, izvršava drugi blok naredbi.",
+	"CONTROLS_IF_TOOLTIP_3": "Ako je prva vrijednost tačna, onda izvrši prvi blok naredbi. U suprotnom, ako je druga vrijednost tačna, izvrši drugi blok naredbi.",
+	"CONTROLS_IF_TOOLTIP_4": "Ako je prva vrijednost tačna, onda izvrši prvi blok naredbi. U suprotnom, ako je druga vrijednost tačna, izvrši drugi blok naredbi. Ako nijedna od vrijednosti nije tačna, izvrši posljednji blok naredbi.",
+	"CONTROLS_IF_MSG_IF": "ako",
+	"CONTROLS_IF_MSG_ELSEIF": "inače ako",
+	"CONTROLS_IF_MSG_ELSE": "inače",
+	"CONTROLS_IF_IF_TOOLTIP": "Dodaj, ukloni ili promijeni redoslijed sekcija kako bi ponovo konfigurisali ovaj if blok.",
+	"CONTROLS_IF_ELSEIF_TOOLTIP": "Dodajte uslov bloku \"ako\".",
+	"CONTROLS_IF_ELSE_TOOLTIP": "Dodaj konačni, sveobuhvatni uvjet u if blok.",
+	"LOGIC_COMPARE_HELPURL": "https://bs.wikipedia.org/wiki/Nejednakost",
+	"LOGIC_COMPARE_TOOLTIP_EQ": "Vraća tačno ako su oba ulaza jednaka jedan drugom.",
+	"LOGIC_COMPARE_TOOLTIP_NEQ": "Vraća tačno ako su oba ulaza jednaka jedan drugom.",
+	"LOGIC_COMPARE_TOOLTIP_LT": "Vraća tačno ako je prvi ulaz manji od drugog ulaza.",
+	"LOGIC_COMPARE_TOOLTIP_LTE": "Vraća tačno ako je prvi ulaz manji ili jednak drugom ulazu.",
+	"LOGIC_COMPARE_TOOLTIP_GT": "Vraća tačno ako je prvi ulaz veći od drugog ulaza.",
+	"LOGIC_COMPARE_TOOLTIP_GTE": "Vraća tačno ako je prvi ulaz veći ili jednak drugom ulazu.",
+	"LOGIC_OPERATION_TOOLTIP_AND": "Vraća tačno ako su oba ulaza tačna.",
+	"LOGIC_OPERATION_AND": "i",
+	"LOGIC_OPERATION_TOOLTIP_OR": "Vrati tačno ako je barem jedan od ulaza istinit.",
+	"LOGIC_OPERATION_OR": "ili",
+	"LOGIC_NEGATE_TITLE": "nije %1",
+	"LOGIC_NEGATE_TOOLTIP": "Vraća tačno ako je unos netačan. Vraća netačno ako je unos tačan.",
+	"LOGIC_BOOLEAN_TRUE": "tačno",
+	"LOGIC_BOOLEAN_FALSE": "netačno",
+	"LOGIC_BOOLEAN_TOOLTIP": "Vraća ili tačno ili netačno.",
+	"LOGIC_NULL": "bez vrijednosti",
+	"LOGIC_NULL_TOOLTIP": "Vraća \"bez vrijednosti\".",
+	"LOGIC_TERNARY_CONDITION": "test",
+	"LOGIC_TERNARY_IF_TRUE": "ako je tačno",
+	"LOGIC_TERNARY_IF_FALSE": "ako je netačno",
+	"MATH_NUMBER_HELPURL": "https://bs.wikipedia.org/wiki/Broj",
+	"MATH_NUMBER_TOOLTIP": "Broj.",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
+	"MATH_ARITHMETIC_HELPURL": "https://bs.wikipedia.org/wiki/Aritmetika",
+	"MATH_ARITHMETIC_TOOLTIP_ADD": "Vraća zbir dva broja.",
+	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Vraća razliku dva broja.",
+	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Vraća proizvod dva broja.",
+	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Vraća količnik dva broja.",
+	"MATH_ARITHMETIC_TOOLTIP_POWER": "Vraća prvi broj na eksponent drugog broja.",
+	"MATH_SINGLE_HELPURL": "https://bs.wikipedia.org/wiki/Kvadratni_korijen",
+	"MATH_SINGLE_OP_ROOT": "kvadratni korijen",
+	"MATH_SINGLE_TOOLTIP_ROOT": "Vraća kvadratni korijen broja",
+	"MATH_SINGLE_OP_ABSOLUTE": "apsolutno",
+	"MATH_SINGLE_TOOLTIP_ABS": "Vraća absolutnu vrijednost broja.",
+	"MATH_SINGLE_TOOLTIP_NEG": "Vraća negaciju broja.",
+	"MATH_SINGLE_TOOLTIP_LN": "Vraća prirodni logoritam broja.",
+	"MATH_SINGLE_TOOLTIP_LOG10": "Vraća logoritam broja za bazu 10.",
+	"MATH_SINGLE_TOOLTIP_EXP": "Vraća e na eksponent broja.",
+	"MATH_SINGLE_TOOLTIP_POW10": "Vraća 10 na eksponent broja.",
+	"MATH_TRIG_HELPURL": "https://bs.wikipedia.org/wiki/Trigonometrijska_funkcija",
+	"MATH_TRIG_TOOLTIP_SIN": "Vraća sinus stepena (ne radijana).",
+	"MATH_TRIG_TOOLTIP_COS": "Vraća kosinus stepena (ne radijana).",
+	"MATH_TRIG_TOOLTIP_TAN": "Vraća tangens stepena (ne radijana).",
+	"MATH_TRIG_TOOLTIP_ASIN": "Vraća arkussinus broja.",
+	"MATH_TRIG_TOOLTIP_ACOS": "Vraća arkuskosinus broja.",
+	"MATH_TRIG_TOOLTIP_ATAN": "Vraća arkustangens broja.",
+	"MATH_CONSTANT_HELPURL": "https://bs.wikipedia.org/wiki/Matemati%C4%8Dka_konstanta",
+	"MATH_CONSTANT_TOOLTIP": "Vraća jednu od uobičajenih konstanti: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…) ili ∞ (beskonačnost).",
+	"MATH_IS_EVEN": "je paran",
+	"MATH_IS_ODD": "je neparan",
+	"MATH_IS_PRIME": "je prost",
+	"MATH_IS_WHOLE": "je cijeli",
+	"MATH_IS_POSITIVE": "je pozitivan",
+	"MATH_IS_NEGATIVE": "je negativan",
+	"MATH_IS_DIVISIBLE_BY": "je djeljiv sa",
+	"MATH_IS_TOOLTIP": "Provjerava da li je broj paran, neparan, prost, cijeli, pozitivan, negativan ili je djeljiv s određenim brojem. Vraća tačno ili netačno.",
+	"MATH_CHANGE_TITLE": "promijeni %1 za %2",
+	"MATH_CHANGE_TOOLTIP": "Dodaj broj varijabli \"%1\".",
+	"MATH_ROUND_TOOLTIP": "Zaokružuje broj na veću ili manju vrijednost.",
+	"MATH_ROUND_OPERATOR_ROUND": "zaokruži",
+	"MATH_ROUND_OPERATOR_ROUNDUP": "zaokruži naviše",
+	"MATH_ROUND_OPERATOR_ROUNDDOWN": "zaokruži naniže",
+	"MATH_ONLIST_OPERATOR_SUM": "zbir spiska",
+	"MATH_ONLIST_TOOLTIP_SUM": "Vraća zbir svih brojeva sa spiska.",
+	"TEXT_LENGTH_TITLE": "dužina teksta %1",
+	"TEXT_ISEMPTY_TITLE": "%1 je prazan",
+	"LISTS_LENGTH_TITLE": "dužina spiska %1",
+	"LISTS_LENGTH_TOOLTIP": "Vraća dužinu spiska.",
+	"LISTS_ISEMPTY_TITLE": "%1 je prazan",
+	"LISTS_ISEMPTY_TOOLTIP": "Vraća \"tačno\" ako je spisak prazan.",
+	"LISTS_INLIST": "na spisku",
+	"LISTS_INDEX_OF_FIRST": "pronađi prvo pojavljivanje stavke",
+	"LISTS_INDEX_OF_LAST": "pronađi posljednje pojavljivanje stavke",
+	"PROCEDURES_MUTATORARG_TITLE": "ime ulaza:",
+	"DIALOG_OK": "U redu",
+	"DIALOG_CANCEL": "Otkaži"
+}
diff --git a/msg/json/ca.json b/msg/json/ca.json
index c45a704dd91..e3ed2c52eb7 100644
--- a/msg/json/ca.json
+++ b/msg/json/ca.json
@@ -89,19 +89,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Afegeix, esborra o reordena seccions per reconfigurar aquest bloc 'si'.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Afegeix una condició al bloc 'si'.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Afegeix una condició final, que recull qualsevol altra possibilitat, al bloc 'si'.",
-	"IOS_OK": "D'acord",
-	"IOS_CANCEL": "Cancel·lar",
-	"IOS_ERROR": "Error",
-	"IOS_PROCEDURES_INPUTS": "ENTRADES",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Afegeix Entrada",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Permetre instruccions",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Aquesta funció té entrades duplicades.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Afegeix Variable",
-	"IOS_VARIABLES_ADD_BUTTON": "Afegir",
-	"IOS_VARIABLES_RENAME_BUTTON": "Reanomena",
-	"IOS_VARIABLES_DELETE_BUTTON": "Esborrar",
-	"IOS_VARIABLES_VARIABLE_NAME": "Nom de la variable",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "No es pot fer servir un nom de variable buit.",
 	"LOGIC_COMPARE_HELPURL": "https://ca.wikipedia.org/wiki/Inequaci%C3%B3",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Retorna cert si totes dues entrades són iguals.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Retorna cert si totes dues entrades són diferents.",
@@ -305,7 +292,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "fins # des del final",
 	"LISTS_GET_SUBLIST_END_LAST": "fins l'últim",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Crea una còpia de la part especificada d'una llista.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "ordenar %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Ordena la còpia d'una llista.",
 	"LISTS_SORT_ORDER_ASCENDING": "ascendent",
@@ -349,5 +335,7 @@
 	"PROCEDURES_IFRETURN_WARNING": "Advertència: Aquest bloc només es pot utilitzar dins de la definició d'una funció.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Digues alguna cosa...",
 	"WORKSPACE_ARIA_LABEL": "Espai de treball Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "Els blocs plegats contenen avisos."
+	"COLLAPSED_WARNINGS_WARNING": "Els blocs plegats contenen avisos.",
+	"DIALOG_OK": "D'acord",
+	"DIALOG_CANCEL": "Cancel·la"
 }
diff --git a/msg/json/cdo.json b/msg/json/cdo.json
new file mode 100644
index 00000000000..cec92b8ba67
--- /dev/null
+++ b/msg/json/cdo.json
@@ -0,0 +1,6 @@
+{
+	"@metadata": {
+		"authors": []
+	},
+	"DIALOG_OK": "確定"
+}
diff --git a/msg/json/ce.json b/msg/json/ce.json
new file mode 100644
index 00000000000..a6937aa748f
--- /dev/null
+++ b/msg/json/ce.json
@@ -0,0 +1,326 @@
+{
+	"@metadata": {
+		"authors": [
+			"Саид Мисарбиев",
+			"Умар"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "элемент",
+	"UNNAMED_KEY": "цӀе йац",
+	"TODAY": "Тахана",
+	"DUPLICATE_BLOCK": "Копи йан",
+	"ADD_COMMENT": "ТӀетоха коммент",
+	"REMOVE_COMMENT": "ДӀайаккха коммент",
+	"DUPLICATE_COMMENT": "Комментарийн дубль йар",
+	"EXTERNAL_INPUTS": "Йллар арахула",
+	"INLINE_INPUTS": "Йллар чухула",
+	"DELETE_BLOCK": "ДӀайаккха блок",
+	"DELETE_X_BLOCKS": "ДӀайаха %1 блокаш",
+	"DELETE_ALL_BLOCKS": "ДӀайаха йерриге блокаш (%1)?",
+	"CLEAN_UP": "ДӀайаха блокаш",
+	"COLLAPSE_BLOCK": "Къайлайаккха блок",
+	"COLLAPSE_ALL": "Къайлайаха блокаш",
+	"EXPAND_BLOCK": "Гайта блок",
+	"EXPAND_ALL": "Гайта блокаш",
+	"DISABLE_BLOCK": "Блок дӀайаккха",
+	"ENABLE_BLOCK": "Латайе блок",
+	"HELP": "ГӀо",
+	"UNDO": "Йухадаккха",
+	"REDO": "Йухайерзор",
+	"CHANGE_VALUE_TITLE": "Хийца маьӀна:",
+	"RENAME_VARIABLE": "Хийцалун цӀе хийца...",
+	"RENAME_VARIABLE_TITLE": "Массо хийцалун цӀерш хийца '%1' тӀе:",
+	"NEW_VARIABLE": "Хийцалун цӀе кхолла...",
+	"NEW_STRING_VARIABLE": "МогӀанна хийцалург йе...",
+	"NEW_NUMBER_VARIABLE": "Терхьан хийцалург кхолла",
+	"NEW_COLOUR_VARIABLE": "Бесан хийцалург йе",
+	"NEW_VARIABLE_TYPE_TITLE": "Керла хийцалун цӀе:",
+	"NEW_VARIABLE_TITLE": "Керла хийцалун цӀе:",
+	"VARIABLE_ALREADY_EXISTS": "Хийцалург %1 цӀарца хӀинцале йолуш йу",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Хийцалучун цӀе '%1' хӀинцале лелош кхечу тайпано: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Хийцалуг цӀарца '%1' хӀинцале йолуш ю процедурехь параметр '%2' хьокъехь.",
+	"DELETE_VARIABLE_CONFIRMATION": "ДӀадаккха %1 хийцалург лелор %2",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "ДӀа ца даккхало хийцалург '%1', хӀунда аьлча иза дакъа долун дера функцин билгалонан '%2'",
+	"DELETE_VARIABLE": "ДӀайаккха хийцалург %1",
+	"COLOUR_PICKER_HELPURL": "https://ce.wikipedia.org/wiki/Бос",
+	"COLOUR_PICKER_TOOLTIP": "Харжа палитран чуьра бос.",
+	"COLOUR_RANDOM_TITLE": "цахууш нисбелла бос",
+	"COLOUR_RANDOM_TOOLTIP": "Бос ца хууш харжа",
+	"COLOUR_RGB_TITLE": "бос оцу чуьра",
+	"COLOUR_RGB_RED": "цӀен",
+	"COLOUR_RGB_GREEN": "баьццара",
+	"COLOUR_RGB_BLUE": "сийна",
+	"COLOUR_RGB_TOOLTIP": "Бос бо гайтина пропорцица цӀен, баьццара, сийна. Массо а беснаш 0 а, 100 а йукъахь хила деза.",
+	"COLOUR_BLEND_TITLE": "иэде",
+	"COLOUR_BLEND_COLOUR1": "Бос 1",
+	"COLOUR_BLEND_COLOUR2": "бос 2",
+	"COLOUR_BLEND_RATIO": "бесан дакъа 1",
+	"COLOUR_BLEND_TOOLTIP": "Ши бос иэбе йеллачу йуъкъаметтигехь (0.0-1.0).",
+	"CONTROLS_REPEAT_TITLE": "%1 йуха арда",
+	"CONTROLS_REPEAT_INPUT_DO": "кхочушде",
+	"CONTROLS_REPEAT_TOOLTIP": "Кхочушдо цхьадолу омарш",
+	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "йухаала, цкъачунна",
+	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "йухадан, цкъачунна ца оьшу",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "МаьӀна нийса мел ду, омарш кхочушдо.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "МаьӀна харц мел ду, омар кхочушдо.",
+	"CONTROLS_FOR_TOOLTIP": "Ло хийцалун '%1' маьӀнаш йуьхьнцара чеккхенгара йелла гӀулч, кхочушдо гайтина омарш.",
+	"CONTROLS_FOR_TITLE": "цикл %1 %2 тӀера %3 тӀекхачалц гӀулчца %4",
+	"CONTROLS_FOREACH_TITLE": "хӀора элементан %1 испискехь %2",
+	"CONTROLS_FOREACH_TOOLTIP": "Испискера хӀора дакъалган, ло хийцалун '%1' дакъалган маьӀна, кхочушдо гайтина омарш.",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "циклера аравалар",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "циклан кхечу гӀулч тӀевала",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "И цикл йукъахйолу",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "Йисина цикл чекхйолийтий, дехьайолу кхечу гӀулчан",
+	"CONTROLS_FLOW_STATEMENTS_WARNING": "ДӀахьедар: и блок лело мега йеккъа циклан чоьхьахь.",
+	"CONTROLS_IF_TOOLTIP_1": "МаьӀна нийса мел ду, омарш кхочушдо.",
+	"CONTROLS_IF_TOOLTIP_2": "Нагахь биллам нийса балахь, омарийн хьалхара блок кхочушйо. Кхечу агӀора шолгӀа блок кхочушйо.",
+	"CONTROLS_IF_TOOLTIP_3": "Нагахь хьалхара биллам бакъ балахь, тӀаккха кхочушйо омарийн хьалхара блок. Кхечу агӀор кхочуш йо омарийн шолгӀа блок.",
+	"CONTROLS_IF_TOOLTIP_4": "Нагахь хьалхара биллам нийса балахь, тӀаккха кхочушдо омарийн хьалхара блок.  ШолгӀа биллам нийса балахь кхочушдо омарийн шолгӀа блок. Нагахь цхьан а нийса йацахь, кхочушйо тӀаьххьара омарийн блок.",
+	"CONTROLS_IF_MSG_IF": "нагахь",
+	"CONTROLS_IF_MSG_ELSEIF": "нагахь кхечу агӀор",
+	"CONTROLS_IF_MSG_ELSE": "кхин а",
+	"CONTROLS_IF_IF_TOOLTIP": "ТӀетоха, дӀайаккха, дехьайаккха блок йухайан дакъалгаш.",
+	"CONTROLS_IF_ELSEIF_TOOLTIP": "ТӀетоха блокан биллам",
+	"CONTROLS_IF_ELSE_TOOLTIP": "ТӀетоха тӀаьххьара бухара блок, массо биллам харц хилча.",
+	"LOGIC_COMPARE_TOOLTIP_EQ": "Нагахь чудаьхнарш тера делахь, йухадогӀу аьтту маьӀна.",
+	"LOGIC_COMPARE_TOOLTIP_NEQ": "Нагахь чудаьхнарш тера дацахь, йухадогӀу аьтту болу маьӀнаш.",
+	"LOGIC_COMPARE_TOOLTIP_LT": "Нагахь хьалха чудаьккхинарг кӀезиг делахь шолгӀачул, йухадогӀу аьтту маьӀна.",
+	"LOGIC_COMPARE_TOOLTIP_LTE": "Хьалха чуйаьккхинарг кӀезиг йалахь шолгӀачул йа и санна йалахь, йухадогӀу бакъ долу маӀна.",
+	"LOGIC_COMPARE_TOOLTIP_GT": "Нагахь хьалхара диллар шолгӀачул дукха делахь, йухадогӀу бакъ долу маьӀна",
+	"LOGIC_COMPARE_TOOLTIP_GTE": "Хьалха чуйаьккхинарг кӀезиг йалахь шолгӀачул йа и санна йалахь, йухадогӀу бакъ долу маӀна.",
+	"LOGIC_OPERATION_TOOLTIP_AND": "Нагахь ший а диллар нийса делахь, йухадогӀу бакъ долу маьӀна.",
+	"LOGIC_OPERATION_AND": "а,",
+	"LOGIC_OPERATION_TOOLTIP_OR": "Цхьа диллар мукъане а нийса делахь, йухадаладо бакъ долу маьӀна.",
+	"LOGIC_OPERATION_OR": "йа",
+	"LOGIC_NEGATE_TITLE": "хӀанхӀа %1",
+	"LOGIC_NEGATE_TOOLTIP": "Нагахь диллар харц далахь, йухадерзадо бакъ долу маьӀна. Нагахь диллар нийса делахь, йухадерзадо харц маьӀна.",
+	"LOGIC_BOOLEAN_TRUE": "бакъдерг",
+	"LOGIC_BOOLEAN_FALSE": "харц дерг",
+	"LOGIC_BOOLEAN_TOOLTIP": "Йухадерзадо бакъ йа харц долу маьӀна",
+	"LOGIC_NULL": "ХӀумма а доцург",
+	"LOGIC_NULL_TOOLTIP": "Йухайерзайо хӀумма а йоцург",
+	"LOGIC_TERNARY_CONDITION": "харжа",
+	"LOGIC_TERNARY_IF_TRUE": "нагахь бакъ делахь",
+	"LOGIC_TERNARY_IF_FALSE": "нагахь харц делахь",
+	"LOGIC_TERNARY_TOOLTIP": "Толлу харжаман хьал. Нагахь хьал бакъ делахь, йухадерзадо хьалхара маьӀна, кхечу агӀор йухадерзадо шолгӀа маьӀна.",
+	"MATH_NUMBER_TOOLTIP": "Лоьмар",
+	"MATH_TRIG_SIN": "къа",
+	"MATH_TRIG_COS": "хӀунда аьлча",
+	"MATH_TRIG_TAN": "вагавар",
+	"MATH_TRIG_ASIN": "муха",
+	"MATH_TRIG_ACOS": "акос",
+	"MATH_TRIG_ATAN": "вагавар",
+	"MATH_ARITHMETIC_TOOLTIP_ADD": "йухайерзор ду ши терахь вовшахтоьхна лоьмар",
+	"MATH_ARITHMETIC_TOOLTIP_MINUS": "йухадерзор ду тӀера дӀадаьккхина ши терахь",
+	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Йухадерзор ду шозза эцна терахь",
+	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Йухадерзор ду доькъург доькъучу хьалхара терхьах шолгӀачун",
+	"MATH_ARITHMETIC_TOOLTIP_POWER": "Йухадерзадо хьалхар терахь, айина долу шолгӀачу терхьан дарже.",
+	"MATH_SINGLE_OP_ROOT": "БеакӀов орам",
+	"MATH_SINGLE_TOOLTIP_ROOT": "Йухаберзабо терхьан беакӀов орам",
+	"MATH_SINGLE_OP_ABSOLUTE": "дуьззина",
+	"MATH_SINGLE_TOOLTIP_ABS": "Йухадерзадо дуьззина терахь",
+	"MATH_SINGLE_TOOLTIP_NEG": "Йухадерзадо дуьхь-дуьхьал долу терхьаш",
+	"MATH_SINGLE_TOOLTIP_LN": "Йухадерзадо терхьан бакъ йолу логарифм.",
+	"MATH_SINGLE_TOOLTIP_LOG10": "Йухайерзайо терхьан иттаннийн логарифм",
+	"MATH_SINGLE_TOOLTIP_EXP": "Йухайерзайо гайтинчу даржехь.",
+	"MATH_SINGLE_TOOLTIP_POW10": "Йухайерзайо 10 гайтинчу даржехь",
+	"MATH_TRIG_TOOLTIP_SIN": "Йухайерзайо сенан маьӀиг градусашкахь",
+	"MATH_TRIG_TOOLTIP_COS": "Йухайерзайо сенан косинус градусашкахь.",
+	"MATH_TRIG_TOOLTIP_TAN": "Йухайерзайо тангенсан сенан маьӀиг градусашкахь",
+	"MATH_TRIG_TOOLTIP_ASIN": "Йухайерзайо арксинус (градусашкахь).",
+	"MATH_TRIG_TOOLTIP_ACOS": "Йухайерзайе терхьан арккосинус (градусашкахь)",
+	"MATH_TRIG_TOOLTIP_ATAN": "Йухайерзайе арктангенс (градусашкахь)",
+	"MATH_CONSTANT_TOOLTIP": "Йухайерзайо уггаре йаьржина констатех цхьаъ: π (3.141...), e (2.718...), φ (1.618...), sqrt(2) (1.414...), sqrt(½) (0.707...), ∞ (чеккхейоцург).",
+	"MATH_IS_EVEN": "Чоьтан",
+	"MATH_IS_ODD": "Чоьтан йоцу",
+	"MATH_IS_PRIME": "атта",
+	"MATH_IS_WHOLE": "дийна",
+	"MATH_IS_POSITIVE": "аьтту болуш",
+	"MATH_IS_NEGATIVE": "аьтту боцуш",
+	"MATH_IS_DIVISIBLE_BY": "декъало",
+	"MATH_IS_TOOLTIP": "Толлу, дуй теша терахь шала, шалза, атта, дийна, аьтту, аьттунза йа иза декъало билгалчу терахьан. Йухадерзадо маьӀна бакъ дерг йа харц дерг.",
+	"MATH_CHANGE_TITLE": "доккха дан %1 тӀера %2",
+	"MATH_CHANGE_TOOLTIP": "ТӀетоха хийцалун терахь %1",
+	"MATH_ROUND_TOOLTIP": "Горгдан лакха йа лаха",
+	"MATH_ROUND_OPERATOR_ROUND": "горгдан",
+	"MATH_ROUND_OPERATOR_ROUNDUP": "Горгдан лакха",
+	"MATH_ROUND_OPERATOR_ROUNDDOWN": "Ден дан лаха",
+	"MATH_ONLIST_OPERATOR_SUM": "исписка вовшахтоьхна",
+	"MATH_ONLIST_TOOLTIP_SUM": "Испискера терахьийн жамӀ йухадерзадо",
+	"MATH_ONLIST_OPERATOR_MIN": "испискехь уггаре кӀезганиг",
+	"MATH_ONLIST_TOOLTIP_MIN": "Йузадерзадо уггаре кӀезга терахь испискера",
+	"MATH_ONLIST_OPERATOR_MAX": "испискера уггаре дукханиг",
+	"MATH_ONLIST_TOOLTIP_MAX": "Исписмкера уггаре дукха терахь йухадерзадо",
+	"MATH_ONLIST_OPERATOR_AVERAGE": "Йуккъера арифметикан исписка",
+	"MATH_ONLIST_TOOLTIP_AVERAGE": "Испискера йуккъера арифметикан йухадерзадо.",
+	"MATH_ONLIST_OPERATOR_MEDIAN": "испискан медиана",
+	"MATH_ONLIST_TOOLTIP_MEDIAN": "Испискан медиана йухадерзадо",
+	"MATH_ONLIST_OPERATOR_MODE": "испискан моданаш",
+	"MATH_ONLIST_TOOLTIP_MODE": "Испискан дукха хаалуш долу дакъалг исписке йухадерзадо.",
+	"MATH_ONLIST_OPERATOR_STD_DEV": "испискехь стандартан дӀахилар",
+	"MATH_ONLIST_TOOLTIP_STD_DEV": "Йухадерзадо испискан стандартан дӀахилар",
+	"MATH_ONLIST_OPERATOR_RANDOM": "испискан цахууш хилла дакъалг",
+	"MATH_ONLIST_TOOLTIP_RANDOM": "Испискехь цахууш хилла дакъалг йухадерзадо",
+	"MATH_MODULO_TITLE": "Йисина %1 тӀера %2 кхаччалц",
+	"MATH_MODULO_TOOLTIP": "Ши терахь вовшенна декъча бухадисинарг.",
+	"MATH_CONSTRAIN_TITLE": "дозатуху %1 лахахь %2 лакхахь %3",
+	"MATH_CONSTRAIN_TOOLTIP": "Дозатуху лахара а, лакхара а дозанца.",
+	"MATH_RANDOM_INT_TITLE": "цӀеххьана нисделла дийна терахь %1 тӀера %2 кхаччалц",
+	"MATH_RANDOM_INT_TOOLTIP": "Йухадерзадо цӀеххьана нисделла шина дозанна йукъара.",
+	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "0.0 тӀера 1.0 кхаччалц (йукъахь долуш) цӀеххана нисделла дийна терахь",
+	"MATH_RANDOM_FLOAT_TOOLTIP": "Йухедерзадо цӀеххьана нисделла дийна терахь 0.0 тӀера 1.0 кхаччалц",
+	"MATH_ATAN2_TITLE": "atan2 от X:%1 Y:%2",
+	"MATH_ATAN2_TOOLTIP": "Йухайерхайо меттиг (X, Y) арктангенс градусашкахь -180 тӀера 180 кхаччалц.",
+	"TEXT_TEXT_TOOLTIP": "Элп, дош, могӀам йозанехь.",
+	"TEXT_JOIN_TITLE_CREATEWITH": "кхолла могӀам",
+	"TEXT_JOIN_TOOLTIP": "Вовшах тосу муьлхха дакъалган терахь, кхуллу йозанан кийсиг",
+	"TEXT_CREATE_JOIN_TITLE_JOIN": "вовшахтаса",
+	"TEXT_CREATE_JOIN_TOOLTIP": "ТӀетоха, дӀайаккха, дехьайаккха блок йухайан дакъалгаш.",
+	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "ТӀетоха йозанан дакъалг",
+	"TEXT_APPEND_TITLE": "%1 тӀетоха йоза %2",
+	"TEXT_APPEND_TOOLTIP": "ТӀетоха йоза хийцалучунна \"%1\"",
+	"TEXT_LENGTH_TITLE": "дохалла %1",
+	"TEXT_LENGTH_TOOLTIP": "Йухадерзадо сийлаллин терахь деллачу йозанехь",
+	"TEXT_ISEMPTY_TITLE": "%1 деса ду",
+	"TEXT_ISEMPTY_TOOLTIP": "Нагахь йоза деса делахь, йухадерзадо бакъ долу маьӀна.",
+	"TEXT_INDEXOF_TOOLTIP": "Йухайерзайо лоьмар хьалхара/тӀаьххьара хьалхара йоза шолгӀачун чуваларан меттиган. Йухайерзайо %1, нагахь йоза ца карийнехь.",
+	"TEXT_INDEXOF_TITLE": "Йозанехь %1, %2, %3",
+	"TEXT_INDEXOF_OPERATOR_FIRST": "Караде хьалхара йозанера чувалар",
+	"TEXT_INDEXOF_OPERATOR_LAST": "караде тӀаьххьара чувалар йозанан",
+	"TEXT_CHARAT_TITLE": "Йозанехь %1, %2",
+	"TEXT_CHARAT_FROM_START": "№ йолу элп схьаэца",
+	"TEXT_CHARAT_FROM_END": "№ йолу элп схьаэца тӀехььара",
+	"TEXT_CHARAT_FIRST": "хьалхара элп схьаэца",
+	"TEXT_CHARAT_LAST": "тӀаьххьара элп схьаэца",
+	"TEXT_CHARAT_RANDOM": "Схаэца ца хоржуш элп",
+	"TEXT_CHARAT_TOOLTIP": "Йухадерзадо элп гайтинчу меттиге",
+	"TEXT_GET_SUBSTRING_TOOLTIP": "Йозанан гайтина дакъа йухадерзадо",
+	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "Йозанехь",
+	"TEXT_GET_SUBSTRING_START_FROM_START": "Схьаэца бухара могӀа № йолу элпера",
+	"TEXT_GET_SUBSTRING_START_FROM_END": "Схьаэца бухара могӀа № йолу элпера тӀехьара",
+	"TEXT_GET_SUBSTRING_START_FIRST": "схьаэца бухара могӀа хьалхарчу элпера",
+	"TEXT_GET_SUBSTRING_END_FROM_START": "№ йолу элп схьаэца",
+	"TEXT_GET_SUBSTRING_END_FROM_END": "№ йолу элп схьаэца тӀехьара",
+	"TEXT_GET_SUBSTRING_END_LAST": "тӀаьххьара элп схьаэца",
+	"TEXT_CHANGECASE_TOOLTIP": "Йухайерзайо йозанан копи ХЬАЛХАРЧУ йа могӀанан элпашца",
+	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "ХЬАЛХАРЧУ ЭЛПАШКА",
+	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "могӀанан элпаш",
+	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "Хьалхарчу Коьрта Элпашка",
+	"TEXT_TRIM_TOOLTIP": "Йухайерзайо йозанан копи генайаьккхина йукъ цхьаьна йа шинне а йуьххьера",
+	"TEXT_TRIM_OPERATOR_BOTH": "Йаккъаш дӀахедайар",
+	"TEXT_TRIM_OPERATOR_LEFT": "аьрру агӀор йукъ дӀахадайар",
+	"TEXT_TRIM_OPERATOR_RIGHT": "Аьтту агӀор йаккъаш дӀахедайе",
+	"TEXT_PRINT_TITLE": "Зорбатоха %1",
+	"TEXT_PRINT_TOOLTIP": "Зорбатуху йозанан, терахьан йа кхечу объектан",
+	"TEXT_PROMPT_TYPE_TEXT": "йоза деха дӀааларца",
+	"TEXT_PROMPT_TYPE_NUMBER": "терахь деха дӀааларца",
+	"TEXT_PROMPT_TOOLTIP_NUMBER": "Лелочунга терахь деха.",
+	"TEXT_PROMPT_TOOLTIP_TEXT": "Йоза деха лелочуьнга.",
+	"TEXT_COUNT_MESSAGE0": "Дагарде барам %1 %2",
+	"TEXT_COUNT_TOOLTIP": "Дагарде, мосазза йолу йозанан кийсиг кхечу йозанехь.",
+	"TEXT_REPLACE_MESSAGE0": "хийца %1 %2 %3",
+	"TEXT_REPLACE_TOOLTIP": "Хийца ша долу дерриг йозананна чуваларш, кхечу йозанца",
+	"TEXT_REVERSE_MESSAGE0": "хийца низам йуханехьа %1",
+	"TEXT_REVERSE_TOOLTIP": "Хуьйцу сийлаллин низам йуханехьа долчуьнца.",
+	"LISTS_CREATE_EMPTY_TITLE": "йеса исписка кхолла",
+	"LISTS_CREATE_EMPTY_TOOLTIP": "Йухайерзайо хаамаш болу йохаллин исписка 0",
+	"LISTS_CREATE_WITH_TOOLTIP": "Кхуллу исписка муьлххачу дакъалган терахьца.",
+	"LISTS_CREATE_WITH_INPUT_WITH": "кхолла могӀам",
+	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "Исписка",
+	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "ТӀетоха, дӀайаккха, дехьайаккха блок йухайан дакъалгаш.",
+	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "ТӀетоха йозанан дакъалг",
+	"LISTS_REPEAT_TOOLTIP": "Лаьтташ йолу дакъалган копин терахьех исписка кхуллу.",
+	"LISTS_REPEAT_TITLE": "кхолла дакъалг %1 исписка, йухайзйеш йолун %2",
+	"LISTS_LENGTH_TITLE": "дохалла %1",
+	"LISTS_LENGTH_TOOLTIP": "Йухайерзайо испискин йохалла",
+	"LISTS_ISEMPTY_TITLE": "%1 деса ду",
+	"LISTS_ISEMPTY_TOOLTIP": "Нагахь исписка йеса йелахь, йухадерзадо бакъдолчун маьӀна",
+	"LISTS_INLIST": "испискехь",
+	"LISTS_INDEX_OF_FIRST": "Караде хьалхара йозанера чувалар",
+	"LISTS_INDEX_OF_LAST": "караде тӀаьххьара чувалар йозанан",
+	"LISTS_INDEX_OF_TOOLTIP": "Йухайерзайо лоьмар хьалхара/тӀаьххьара хьалхара йоза шолгӀачун чуваларан меттиган. Йухайерзайо %1, нагахь йоза ца карийнехь.",
+	"LISTS_GET_INDEX_GET": "Схьаэца",
+	"LISTS_GET_INDEX_GET_REMOVE": "Схьаэца, дӀадаккха",
+	"LISTS_GET_INDEX_REMOVE": "дӀайаккха",
+	"LISTS_GET_INDEX_FROM_START": "№",
+	"LISTS_GET_INDEX_FROM_END": "№ тӀехьара",
+	"LISTS_GET_INDEX_FIRST": "хьалхара",
+	"LISTS_GET_INDEX_LAST": "тӀаьххьара",
+	"LISTS_GET_INDEX_RANDOM": "Нисделларг",
+	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 - хьалхара дакъалг",
+	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 - тӀаьххьара дакъалг",
+	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "Йухайерзайо дакъалг испискан гайтинчу меттиге.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_FIRST": "Йухайерзайо испискан хьалхара дакъалг",
+	"LISTS_GET_INDEX_TOOLTIP_GET_LAST": "Йухайерзайо испискан тӀаьххьара дакъалг.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_RANDOM": "Йухайерзайо испискан ца хууш нисделла дакъалг.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM": "Йухайерзайо дакъалг испискан гайтинчу меттиге.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST": "ДӀа а йоккху, йуха а йалайо испискан хьалхара дакъалг",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST": "ДӀа а йоккху, йуха а йалайо испискан хьалхара дакъалг",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM": "ДӀа а йоккху, йуха а йалайо испискан ца хууш нисделла дакъалг",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM": "ДӀадоккху дакъалг испискан гайтинчу меттиге.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST": "ДӀадоккху испискан хьалхара дакъалг",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST": "ДӀадоккху испискан тӀаьххьара дакъалг.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM": "ДӀадоккху испискан ца хууш нисделла дакъалг.",
+	"LISTS_SET_INDEX_SET": "дола йаккха",
+	"LISTS_SET_INDEX_INSERT": "чухӀоттайе",
+	"LISTS_SET_INDEX_INPUT_TO": "=",
+	"LISTS_SET_INDEX_TOOLTIP_SET_FROM": "Ло дакъалг испискан гайтинчу меттиге.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_FIRST": "Ло испискан хьалхара дакъалг маьӀна.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_LAST": "Ло маьӀна испискан тӀаьххьара дакъалг.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_RANDOM": "Ло испискан ца хууш нисделла дакъалган маьӀна.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_FROM": "ЧухӀоттадо дакъалг испискан гайтинчу меттиге.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "ЧухӀоттадо дакъалг испискан йуьххье",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "ТӀетуху дакъалг испискин чаккхенга",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "ЧухӀоттадо дакъалг ца хууш нисделлачу меттиге испискехь.",
+	"LISTS_GET_SUBLIST_START_FROM_START": "Схьаэца бухара исписка №",
+	"LISTS_GET_SUBLIST_START_FROM_END": "схьаэца бухара исписка № йолу т\\ехьара",
+	"LISTS_GET_SUBLIST_START_FIRST": "схьаэца бухара исписка хьалхарчуьнца",
+	"LISTS_GET_SUBLIST_END_FROM_START": "оцу №",
+	"LISTS_GET_SUBLIST_END_FROM_END": "№ тӀехьара",
+	"LISTS_GET_SUBLIST_END_LAST": "тӀехьара",
+	"LISTS_GET_SUBLIST_TOOLTIP": "Гайтина испискин декъера копи кхуллу.",
+	"LISTS_SORT_TITLE": "%1 %2 %3 сорт хӀоттайо",
+	"LISTS_SORT_TOOLTIP": "Испискан копин сорт хӀоттор",
+	"LISTS_SORT_ORDER_ASCENDING": "йоккха хиларца",
+	"LISTS_SORT_ORDER_DESCENDING": "кӀезиг хиларца",
+	"LISTS_SORT_TYPE_NUMERIC": "лоьмаран",
+	"LISTS_SORT_TYPE_TEXT": "абатца",
+	"LISTS_SORT_TYPE_IGNORECASE": "Абатца, регистран чот а ца лелош",
+	"LISTS_SPLIT_LIST_FROM_TEXT": "йозанах исписка йар",
+	"LISTS_SPLIT_TEXT_FROM_LIST": "йоза вовшахтоха испискех",
+	"LISTS_SPLIT_WITH_DELIMITER": "доькъучунца",
+	"LISTS_SPLIT_TOOLTIP_SPLIT": "Доькъу йоза йозанан испискан доькъучуьнца",
+	"LISTS_SPLIT_TOOLTIP_JOIN": "Вовшахтуху йозанийн исписка цхьаьна йозане доькъучуьнца.",
+	"LISTS_REVERSE_MESSAGE0": "хийца низам йуханехьа %1",
+	"LISTS_REVERSE_TOOLTIP": "Испискан низам йуханехьа хийца",
+	"VARIABLES_GET_TOOLTIP": "Оцу хийцалучун маьӀна хуьйцу",
+	"VARIABLES_GET_CREATE_SET": "Блок кхолла \"ло\" %1",
+	"VARIABLES_SET": "ло %1=%2",
+	"VARIABLES_SET_TOOLTIP": "Ло хийцалучн чухӀотточун маьӀна.",
+	"VARIABLES_SET_CREATE_GET": "Кхолла чухӀотториг %1",
+	"PROCEDURES_DEFNORETURN_TITLE": "хӀунда аьлча",
+	"PROCEDURES_DEFNORETURN_PROCEDURE": "кхочушдан цхьа хӀума",
+	"PROCEDURES_BEFORE_PARAMS": "дуьйна:",
+	"PROCEDURES_CALL_BEFORE_PARAMS": "дуьйна:",
+	"PROCEDURES_DEFNORETURN_TOOLTIP": "Кхуллу маьӀна йуха ца дерзош йолу процедура",
+	"PROCEDURES_DEFNORETURN_COMMENT": "Гайта и функци",
+	"PROCEDURES_DEFRETURN_RETURN": "йухадерзо",
+	"PROCEDURES_DEFRETURN_TOOLTIP": "Кхуллу маьӀна йуха дерзош йолу процедура",
+	"PROCEDURES_ALLOW_STATEMENTS": "операторшан пурба дала",
+	"PROCEDURES_DEF_DUPLICATE_WARNING": "ДӀахьедар: оцу функцин йух-йуха тӀейуйлу параметраш йу.",
+	"PROCEDURES_CALLNORETURN_TOOLTIP": "Кхочушйо лелочуьнан билгала процедура '%1'",
+	"PROCEDURES_CALLRETURN_TOOLTIP": "Кхочушйо лелочуьнан билгала процедура '%1', йухадерзадо лерина маьӀна",
+	"PROCEDURES_MUTATORCONTAINER_TITLE": "параметарш",
+	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "ТӀетоха, дӀадаккха йа хийца оцу чуйогӀу параметрийн функцеш.",
+	"PROCEDURES_MUTATORARG_TITLE": "параметран цӀе",
+	"PROCEDURES_MUTATORARG_TOOLTIP": "Чуволу параметран функци тӀетоха",
+	"PROCEDURES_HIGHLIGHT_DEF": "Къастайе процедурин билгало",
+	"PROCEDURES_CREATE_DO": "Кхолла %1 кхайкхам",
+	"PROCEDURES_IFRETURN_TOOLTIP": "Нагахь хьалхара маьӀна нийса делалахь, йухадерзадо шолгӀа маьӀна.",
+	"PROCEDURES_IFRETURN_WARNING": "ДӀахедар: ХӀокху блоко лелон таро йу функцин чоьхьара билгало.",
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Йазйе кхузахь цхьа хӀума...",
+	"WORKSPACE_ARIA_LABEL": "Blockly белхан область",
+	"COLLAPSED_WARNINGS_WARNING": "ДӀакъевлина блокашкахь дӀахьедар ду",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Йухайаккхар"
+}
diff --git a/msg/json/constants.json b/msg/json/constants.json
index f2801d3556f..2677e406f74 100644
--- a/msg/json/constants.json
+++ b/msg/json/constants.json
@@ -1 +1,12 @@
-{"MATH_HUE": "230", "LOOPS_HUE": "120", "LISTS_HUE": "260", "LOGIC_HUE": "210", "VARIABLES_HUE": "330", "TEXTS_HUE": "160", "PROCEDURES_HUE": "290", "COLOUR_HUE": "20", "VARIABLES_DYNAMIC_HUE": "310"}
\ No newline at end of file
+{
+  "#": "Automatically generated, do not edit this file!",
+  "COLOUR_HUE": "20",
+  "LISTS_HUE": "260",
+  "LOGIC_HUE": "210",
+  "LOOPS_HUE": "120",
+  "MATH_HUE": "230",
+  "PROCEDURES_HUE": "290",
+  "TEXTS_HUE": "160",
+  "VARIABLES_DYNAMIC_HUE": "310",
+  "VARIABLES_HUE": "330"
+}
\ No newline at end of file
diff --git a/msg/json/cs.json b/msg/json/cs.json
index 44b2385b281..1855d9752c6 100644
--- a/msg/json/cs.json
+++ b/msg/json/cs.json
@@ -1,15 +1,19 @@
 {
 	"@metadata": {
 		"authors": [
+			"Amire80",
 			"Chmee2",
 			"Clon",
 			"Dita",
 			"Dvorapa",
+			"Emis-cz",
 			"Espertus",
+			"Georg101",
 			"Ilimanaq29",
 			"Koo6",
 			"Matěj Grabovský",
 			"Patriccck",
+			"Patrik L.",
 			"Robins7",
 			"Rosnicka.kacka",
 			"Utar",
@@ -17,10 +21,12 @@
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "položka",
+	"UNNAMED_KEY": "nepojmenovaný",
 	"TODAY": "Dnes",
 	"DUPLICATE_BLOCK": "Duplikovat",
 	"ADD_COMMENT": "Přidat komentář",
 	"REMOVE_COMMENT": "Odstranit komentář",
+	"DUPLICATE_COMMENT": "Duplikovat komentář",
 	"EXTERNAL_INPUTS": "vnější vstupy",
 	"INLINE_INPUTS": "Vložené vstupy",
 	"DELETE_BLOCK": "Smazat blok",
@@ -39,13 +45,17 @@
 	"CHANGE_VALUE_TITLE": "Změnit hodnotu:",
 	"RENAME_VARIABLE": "Přejmenovat proměnnou...",
 	"RENAME_VARIABLE_TITLE": "Přejmenuj všech '%1' proměnných na:",
-	"NEW_VARIABLE": "Vytvořte proměnnou...",
-	"NEW_STRING_VARIABLE": "Vytvořit řetězcovou proměnnou...",
+	"NEW_VARIABLE": "Vytvořit proměnnou...",
+	"NEW_STRING_VARIABLE": "Vytvořit textovou proměnnou...",
 	"NEW_NUMBER_VARIABLE": "Vytvořit číselnou proměnnou...",
-	"NEW_COLOUR_VARIABLE": "Vytvořit barvu proměnné...",
+	"NEW_COLOUR_VARIABLE": "Vytvořit proměnnou pro barvu...",
 	"NEW_VARIABLE_TYPE_TITLE": "Nový typ proměnné:",
 	"NEW_VARIABLE_TITLE": "Nový název proměnné:",
+	"VARIABLE_ALREADY_EXISTS": "Proměnná jménem '%1' již existuje",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Proměnná pojmenovaná jako '%1' již existuje pro jiný typ: '%2'.",
+	"DELETE_VARIABLE_CONFIRMATION": "Odstranit %1 použití proměnné '%2'",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Proměnnou '%1' není možné odstranit, protože je součástí definice funkce '%2'",
+	"DELETE_VARIABLE": "Odstranit proměnnou '%1'",
 	"COLOUR_PICKER_HELPURL": "https://cs.wikipedia.org/wiki/Barva",
 	"COLOUR_PICKER_TOOLTIP": "Vyberte barvu z palety.",
 	"COLOUR_RANDOM_TITLE": "náhodná barva",
@@ -60,7 +70,7 @@
 	"COLOUR_BLEND_COLOUR2": "barva 2",
 	"COLOUR_BLEND_RATIO": "poměr",
 	"COLOUR_BLEND_TOOLTIP": "Smíchá dvě barvy v daném poměru (0.0–1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://cs.wikipedia.org/wiki/Cyklus_pro",
+	"CONTROLS_REPEAT_HELPURL": "https://cs.wikipedia.org/wiki/Cyklus_for",
 	"CONTROLS_REPEAT_TITLE": "opakuj %1 krát",
 	"CONTROLS_REPEAT_INPUT_DO": "dělej",
 	"CONTROLS_REPEAT_TOOLTIP": "Proveď určité příkazy několikrát.",
@@ -68,7 +78,7 @@
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "opakovat dokud",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Dokud je hodnota pravdivá, prováděj určité příkazy.",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Dokud je hodnota nepravdivá, prováděj určité příkazy.",
-	"CONTROLS_FOR_TOOLTIP": "Nechá proměnnou '%1' nabývat hodnot od počátečního do koncového čísla po daném přírůstku a provádí s ní příslušné bloky.",
+	"CONTROLS_FOR_TOOLTIP": "Nechá proměnnou '%1' nabývat hodnot od počátečního do koncového čísla po daném přírůstku a provádí příslušné bloky.",
 	"CONTROLS_FOR_TITLE": "počítat s %1 od %2 do %3 po %4",
 	"CONTROLS_FOREACH_TITLE": "pro každou položku %1 v seznamu %2",
 	"CONTROLS_FOREACH_TOOLTIP": "Pro každou položku v seznamu nastavte do proměnné '%1' danou položku a proveďte nějaké operace.",
@@ -87,13 +97,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Přidej, odstraň či uspořádej sekce k přenastavení tohoto bloku \"pokud\".",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Přidat podmínku do \"pokud\" bloku.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Přidej konečnou podmínku zahrnující ostatní případy do bloku \"pokud\".",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Storno",
-	"IOS_ERROR": "Chyba",
-	"IOS_PROCEDURES_INPUTS": "vstupy",
-	"IOS_VARIABLES_ADD_BUTTON": "Přidat",
-	"IOS_VARIABLES_RENAME_BUTTON": "Přejmenovat",
-	"IOS_VARIABLES_DELETE_BUTTON": "Smazat",
 	"LOGIC_COMPARE_HELPURL": "https://cs.wikipedia.org/wiki/Nerovnost_(matematika)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Vrátí hodnotu pravda, pokud se oba vstupy rovnají jeden druhému.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Vrátí hodnotu pravda, pokud se oba vstupy nerovnají sobě navzájem.",
@@ -119,10 +122,6 @@
 	"LOGIC_TERNARY_TOOLTIP": "Zkontroluje podmínku v \"testu\". Když je podmínka pravda, vrátí hodnotu \"pokud pravda\"; v opačném případě vrátí hodnotu \"pokud nepravda\".",
 	"MATH_NUMBER_HELPURL": "https://cs.wikipedia.org/wiki/Číslo",
 	"MATH_NUMBER_TOOLTIP": "Číslo.",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tan",
@@ -145,14 +144,12 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Vrátí desítkový logaritmus čísla.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Vrátí mocninu čísla e.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Vrátí mocninu čísla 10.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "Vrátí sinus úhlu ve stupních.",
 	"MATH_TRIG_TOOLTIP_COS": "Vrátí kosinus úhlu ve stupních.",
 	"MATH_TRIG_TOOLTIP_TAN": "Vrátí tangens úhlu ve stupních.",
 	"MATH_TRIG_TOOLTIP_ASIN": "Vrátí arkus sinus čísla.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Vrátí arkus kosinus čísla.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Vrátí arkus tangens čísla.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Vraťte jednu z následujících konstant: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (nekonečno).",
 	"MATH_IS_EVEN": "je sudé",
 	"MATH_IS_ODD": "je liché",
@@ -162,10 +159,8 @@
 	"MATH_IS_NEGATIVE": "je záporné",
 	"MATH_IS_DIVISIBLE_BY": "je dělitelné číslem",
 	"MATH_IS_TOOLTIP": "Kontrola, zda je číslo sudé, liché, prvočíslo, celé, kladné, záporné nebo zda je dělitelné daným číslem. Vrací pravdu nebo nepravdu.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "zaměň %1 za %2",
 	"MATH_CHANGE_TOOLTIP": "Přičti číslo k proměnné '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Zaokrouhlit číslo nahoru nebo dolů.",
 	"MATH_ROUND_OPERATOR_ROUND": "zaokrouhlit",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "zaokrouhlit nahoru",
@@ -197,6 +192,9 @@
 	"MATH_RANDOM_FLOAT_HELPURL": "https://cs.wikipedia.org/wiki/Gener%C3%A1tor_n%C3%A1hodn%C3%BDch_%C4%8D%C3%ADsel",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "náhodné číslo mezi 0 (včetně) do 1",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Vrátí náhodné číslo mezi 0,0 (včetně) až 1,0",
+	"MATH_ATAN2_HELPURL": "https://cs.wikipedia.org/wiki/Atan2",
+	"MATH_ATAN2_TITLE": "atan2 z X:%1 Y:%2",
+	"MATH_ATAN2_TOOLTIP": "Vrací arkustangens bodu (X, Y) ve stupních od -180 do 180.",
 	"TEXT_TEXT_HELPURL": "https://cs.wikipedia.org/wiki/Textov%C3%BD_%C5%99et%C4%9Bzec",
 	"TEXT_TEXT_TOOLTIP": "Písmeno, slovo nebo řádek textu.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "vytvořit text s",
@@ -214,6 +212,7 @@
 	"TEXT_INDEXOF_TITLE": "v textu %1 %2 %3",
 	"TEXT_INDEXOF_OPERATOR_FIRST": "najít první výskyt textu",
 	"TEXT_INDEXOF_OPERATOR_LAST": "najít poslední výskyt textu",
+	"TEXT_CHARAT_TITLE": "v textu %1 %2",
 	"TEXT_CHARAT_FROM_START": "získat písmeno #",
 	"TEXT_CHARAT_FROM_END": "získat # písmeno od konce",
 	"TEXT_CHARAT_FIRST": "získat první písmeno",
@@ -299,7 +298,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "do # od konce",
 	"LISTS_GET_SUBLIST_END_LAST": "jako poslední",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Vytvoří kopii určené části seznamu.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "seřadit %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Seřadit kopii seznamu.",
 	"LISTS_SORT_ORDER_ASCENDING": "vzestupně",
@@ -317,14 +315,13 @@
 	"VARIABLES_SET": "nastavit %1 na %2",
 	"VARIABLES_SET_TOOLTIP": "Nastaví tuto proměnnou, aby se rovnala vstupu.",
 	"VARIABLES_SET_CREATE_GET": "Vytvořit \"získat %1\"",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://cs.wikipedia.org/w/index.php?title=Funkce_(programování)",
 	"PROCEDURES_DEFNORETURN_TITLE": "k provedení",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "proveď něco",
 	"PROCEDURES_BEFORE_PARAMS": "s:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "s:",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Vytvořit funkci bez výstupu.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Popište tuto funkci...",
-	"PROCEDURES_DEFRETURN_HELPURL": "https://cs.wikipedia.org/w/index.php?title=Funkce_(programování)",
+	"PROCEDURES_DEFRETURN_HELPURL": "https://cs.wikipedia.org/wiki/Podprogram",
 	"PROCEDURES_DEFRETURN_RETURN": "navrátit",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Vytvořit funkci s výstupem.",
 	"PROCEDURES_ALLOW_STATEMENTS": "povolit příkazy",
@@ -340,6 +337,7 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Zvýraznit definici funkce",
 	"PROCEDURES_CREATE_DO": "Vytvořit '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Je-li hodnota pravda, pak vrátí druhou hodnotu.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
-	"PROCEDURES_IFRETURN_WARNING": "Varování: Tento blok může být použit pouze uvnitř definici funkce."
+	"PROCEDURES_IFRETURN_WARNING": "Varování: Tento blok může být použit pouze uvnitř definici funkce.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Zrušit"
 }
diff --git a/msg/json/da.json b/msg/json/da.json
index e4ed7e9c0fc..4c9febebc63 100644
--- a/msg/json/da.json
+++ b/msg/json/da.json
@@ -6,6 +6,7 @@
 			"JonNPoulsen",
 			"MGA73",
 			"Mads Haupt",
+			"Peterleth",
 			"RickiRunge",
 			"Saederup92",
 			"Tjernobyl"
@@ -18,8 +19,8 @@
 	"ADD_COMMENT": "Tilføj Kommentar",
 	"REMOVE_COMMENT": "Fjern Kommentar",
 	"DUPLICATE_COMMENT": "Duplikér Kommentar",
-	"EXTERNAL_INPUTS": "Udvendige inputs",
-	"INLINE_INPUTS": "Indlejrede inputs",
+	"EXTERNAL_INPUTS": "Eksterne inputs",
+	"INLINE_INPUTS": "Interne inputs",
 	"DELETE_BLOCK": "Slet blok",
 	"DELETE_X_BLOCKS": "Slet %1 blokke",
 	"DELETE_ALL_BLOCKS": "Slet alle %1 blokke?",
@@ -44,6 +45,7 @@
 	"NEW_VARIABLE_TITLE": "Navn til den nye variabel:",
 	"VARIABLE_ALREADY_EXISTS": "En variabel med navnet »%1« findes allerede.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "En variabel med navnet »%1« findes allerede for en anden type: »%2«.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "En variabel med navnet '%1' findes allerede som en parameter i proceduren '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "Slet %1's brug af variablen »%2«?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Kan ikke slette variablen »%1« da den er en del af definitionen af funktionen »%2«",
 	"DELETE_VARIABLE": "Slet variablen »%1«",
@@ -88,19 +90,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Tilføj, fjern eller byt om på rækkefølgen af delene for at konfigurere denne \"hvis\" blok.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Tilføj en betingelse til denne \"hvis\" blok.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Tilføj en sidste fang-alt betingelse, til denne \"hvis\" blok.",
-	"IOS_OK": "O.k.",
-	"IOS_CANCEL": "Annuller",
-	"IOS_ERROR": "Fejl",
-	"IOS_PROCEDURES_INPUTS": "INDDATA",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Tilføj inddata",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Tillad udsagn",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Denne funktion har duplikerede inddata.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Tilføj variabel",
-	"IOS_VARIABLES_ADD_BUTTON": "Tilføj",
-	"IOS_VARIABLES_RENAME_BUTTON": "Omdøb",
-	"IOS_VARIABLES_DELETE_BUTTON": "Slet",
-	"IOS_VARIABLES_VARIABLE_NAME": "Variabelnavn",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Du kan ikke bruge et tomt variabelnavn.",
 	"LOGIC_COMPARE_HELPURL": "https://da.wikipedia.org/wiki/Ulighed_(matematik)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Returnere sand, hvis begge inputs er lig med hinanden.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Returnere sand, hvis begge inputs ikke er lig med hinanden.",
@@ -126,6 +115,12 @@
 	"MATH_NUMBER_HELPURL": "https://da.wikipedia.org/wiki/Tal",
 	"MATH_NUMBER_TOOLTIP": "Et tal.",
 	"MATH_DIVISION_SYMBOL": ":",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
 	"MATH_ARITHMETIC_HELPURL": "https://da.wikipedia.org/wiki/Aritmetik",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Returnere summen af de to tal.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Returnere forskellen mellem de to tal.",
@@ -159,7 +154,6 @@
 	"MATH_IS_NEGATIVE": "er negativt",
 	"MATH_IS_DIVISIBLE_BY": "er deleligt med",
 	"MATH_IS_TOOLTIP": "Kontrollere, om et tal er lige, ulige, primtal, helt, positivt, negativt, eller om det er deleligt med bestemt tal. Returnere sandt eller falskt.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "skift %1 med %2",
 	"MATH_CHANGE_TOOLTIP": "Læg et tal til variablen '%1'.",
 	"MATH_ROUND_HELPURL": "https://da.wikipedia.org/wiki/Afrunding",
@@ -194,8 +188,8 @@
 	"MATH_RANDOM_FLOAT_HELPURL": "https://da.wikipedia.org/wiki/Tilfældighedsgenerator",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "tilfældigt decimaltal (mellem 0 og 1)",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Returner et tilfældigt decimaltal mellem 0,0 (inklusiv) og 1,0 (eksklusiv).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 af X:%1 Y:%2",
+	"MATH_ATAN2_TOOLTIP": "Returner arctangensen for punktet (X, Y) i grader fra -180 til 180.",
 	"TEXT_TEXT_HELPURL": "https://da.wikipedia.org/wiki/Tekststreng",
 	"TEXT_TEXT_TOOLTIP": "En bogstav, et ord eller en linje med tekst.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "lav en tekst med",
@@ -268,6 +262,7 @@
 	"LISTS_GET_INDEX_GET": "hent",
 	"LISTS_GET_INDEX_GET_REMOVE": "hent og fjern",
 	"LISTS_GET_INDEX_REMOVE": "fjern",
+	"LISTS_GET_INDEX_FROM_START": "#",
 	"LISTS_GET_INDEX_FROM_END": "# fra slutningen",
 	"LISTS_GET_INDEX_FIRST": "første",
 	"LISTS_GET_INDEX_LAST": "sidste",
@@ -304,7 +299,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "til # fra slutningen",
 	"LISTS_GET_SUBLIST_END_LAST": "til sidste",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Opretter en kopi af den angivne del af en liste.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "sorter %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Sorter en kopi af en liste.",
 	"LISTS_SORT_ORDER_ASCENDING": "stigende",
@@ -334,9 +328,7 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Opretter en funktion der har en returværdi.",
 	"PROCEDURES_ALLOW_STATEMENTS": "tillad erklæringer",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Advarsel: Denne funktion har dublerede parametre.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Kør den brugerdefinerede funktion '%1'.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Kør den brugerdefinerede funktion '%1' og brug dens returværdi.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "parametre",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Tilføje, fjerne eller ændre rækkefølgen af parametre til denne funktion.",
@@ -345,7 +337,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Markér funktionsdefinitionen",
 	"PROCEDURES_CREATE_DO": "Opret '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Hvis en værdi er sand, så returnér en anden værdi.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Advarsel: Denne blok kan kun anvendes inden for en funktionsdefinition.",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Sig noget ..."
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Sig noget ...",
+	"WORKSPACE_ARIA_LABEL": "Blockly Workspace",
+	"COLLAPSED_WARNINGS_WARNING": "Sammenklappede blokke indeholder advarsler.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Afbryd"
 }
diff --git a/msg/json/de.json b/msg/json/de.json
index 88e017057fc..33ed7191066 100644
--- a/msg/json/de.json
+++ b/msg/json/de.json
@@ -1,15 +1,20 @@
 {
 	"@metadata": {
 		"authors": [
+			"Amire80",
+			"Brettchenweber",
 			"Cvanca",
 			"Dan-yell",
+			"Justman10000",
 			"M165437",
 			"Metalhead64",
+			"MrFraggle",
 			"Octycs",
 			"Sillyfreak",
 			"Sushi",
 			"THINK",
 			"Tiin",
+			"TomatoCake",
 			"Zgtm",
 			"아라"
 		]
@@ -20,7 +25,7 @@
 	"DUPLICATE_BLOCK": "Kopieren",
 	"ADD_COMMENT": "Kommentar hinzufügen",
 	"REMOVE_COMMENT": "Kommentar entfernen",
-	"DUPLICATE_COMMENT": "Kommentar kopieren",
+	"DUPLICATE_COMMENT": "Kommentar duplizieren",
 	"EXTERNAL_INPUTS": "externe Eingänge",
 	"INLINE_INPUTS": "interne Eingänge",
 	"DELETE_BLOCK": "Baustein löschen",
@@ -38,7 +43,7 @@
 	"REDO": "Wiederholen",
 	"CHANGE_VALUE_TITLE": "Wert ändern:",
 	"RENAME_VARIABLE": "Variable umbenennen …",
-	"RENAME_VARIABLE_TITLE": "Alle \"%1\" Variablen umbenennen in:",
+	"RENAME_VARIABLE_TITLE": "Alle „%1“-Variablen umbenennen in:",
 	"NEW_VARIABLE": "Variable erstellen …",
 	"NEW_STRING_VARIABLE": "Zeichenfolgenvariable erstellen …",
 	"NEW_NUMBER_VARIABLE": "Zahlenvariable erstellen …",
@@ -47,34 +52,33 @@
 	"NEW_VARIABLE_TITLE": "Name der neuen Variable:",
 	"VARIABLE_ALREADY_EXISTS": "Eine Variable namens „%1“ ist bereits vorhanden.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Eine Variable namens „%1“ ist bereits für einen anderen Typ vorhanden: „%2“.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Eine Variable mit dem Namen „%1“ ist bereits als Parameter in der Funktion „%2“ vorhanden.",
 	"DELETE_VARIABLE_CONFIRMATION": "%1 Verwendungen der Variable „%2“ löschen?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Die Variable „%1“ kann nicht gelöscht werden, da sie Teil der Definition der Funktion „%2“ ist.",
 	"DELETE_VARIABLE": "Die Variable „%1“ löschen",
 	"COLOUR_PICKER_HELPURL": "https://de.wikipedia.org/wiki/Farbe",
-	"COLOUR_PICKER_TOOLTIP": "Wählt eine Farbe aus der Palette aus.",
+	"COLOUR_PICKER_TOOLTIP": "Wähle eine Farbe aus der Palette.",
 	"COLOUR_RANDOM_TITLE": "zufällige Farbe",
 	"COLOUR_RANDOM_TOOLTIP": "Erzeugt eine Farbe nach dem Zufallsprinzip.",
-	"COLOUR_RGB_HELPURL": "https://www.december.com/html/spec/colorpercompact.html",
 	"COLOUR_RGB_TITLE": "Farbe aus",
 	"COLOUR_RGB_RED": "rot",
 	"COLOUR_RGB_GREEN": "grün",
 	"COLOUR_RGB_BLUE": "blau",
 	"COLOUR_RGB_TOOLTIP": "Erzeugt eine Farbe mit selbst definierten Rot-, Grün- und Blauwerten. Alle Werte müssen zwischen 0 und 100 liegen.",
-	"COLOUR_BLEND_HELPURL": "https://meyerweb.com/eric/tools/color-blend/#:::rgbp",
 	"COLOUR_BLEND_TITLE": "mische",
 	"COLOUR_BLEND_COLOUR1": "Farbe 1",
 	"COLOUR_BLEND_COLOUR2": "und Farbe 2",
 	"COLOUR_BLEND_RATIO": "im Verhältnis",
 	"COLOUR_BLEND_TOOLTIP": "Vermischt 2 Farben mit konfigurierbarem Farbverhältnis (0.0 - 1.0).",
 	"CONTROLS_REPEAT_HELPURL": "https://de.wikipedia.org/wiki/For-Schleife",
-	"CONTROLS_REPEAT_TITLE": "wiederhole %1 mal:",
+	"CONTROLS_REPEAT_TITLE": "wiederhole %1-mal:",
 	"CONTROLS_REPEAT_INPUT_DO": "mache",
 	"CONTROLS_REPEAT_TOOLTIP": "Eine Anweisung mehrfach ausführen.",
-	"CONTROLS_WHILEUNTIL_HELPURL": "https://de.wikipedia.org/wiki/Schleife_%28Programmierung%29",
+	"CONTROLS_WHILEUNTIL_HELPURL": "https://de.wikipedia.org/wiki/Schleife_(Programmierung)#Kopfgesteuerte_Schleife",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "wiederhole solange",
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "wiederhole bis",
-	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Führt Anweisungen aus solange die Bedingung wahr ist.",
-	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Führt Anweisungen aus solange die Bedingung unwahr ist.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Führt Anweisungen aus, solange die Bedingung wahr ist.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Führt Anweisungen aus, solange die Bedingung unwahr ist.",
 	"CONTROLS_FOR_HELPURL": "https://de.wikipedia.org/wiki/For-Schleife",
 	"CONTROLS_FOR_TOOLTIP": "Zählt die Variable \"%1\" von einem Startwert bis zu einem Endwert und führt für jeden Wert eine Anweisung aus.",
 	"CONTROLS_FOR_TITLE": "zähle %1 von %2 bis %3 in Schritten von %4",
@@ -88,29 +92,16 @@
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "Diese Anweisung abbrechen und mit dem nächsten Schleifendurchlauf fortfahren.",
 	"CONTROLS_FLOW_STATEMENTS_WARNING": "Warnung: Dieser Baustein kann nur in einer Schleife verwendet werden.",
 	"CONTROLS_IF_TOOLTIP_1": "Führt eine Anweisung aus, falls eine Bedingung wahr ist.",
-	"CONTROLS_IF_TOOLTIP_2": "Führt die erste Anweisung aus, falls eine Bedingung wahr ist.  Führt ansonsten die zweite Anweisung aus.",
-	"CONTROLS_IF_TOOLTIP_3": "Führt die erste Anweisung aus, falls die erste Bedingung wahr ist.  Führt ansonsten die zweite Anweisung aus, falls die zweite Bedingung wahr ist.",
-	"CONTROLS_IF_TOOLTIP_4": "Führe die erste Anweisung aus, falls die erste Bedingung wahr ist.  Führt ansonsten die zweite Anweisung aus, falls die zweite Bedingung wahr ist.  Führt die dritte Anweisung aus, falls keine der beiden Bedingungen wahr ist",
+	"CONTROLS_IF_TOOLTIP_2": "Führt die erste Anweisung aus, falls eine Bedingung wahr ist. Führt ansonsten die zweite Anweisung aus.",
+	"CONTROLS_IF_TOOLTIP_3": "Führt die erste Anweisung aus, falls die erste Bedingung wahr ist. Führt ansonsten die zweite Anweisung aus, falls die zweite Bedingung wahr ist.",
+	"CONTROLS_IF_TOOLTIP_4": "Führe die erste Anweisung aus, falls die erste Bedingung wahr ist.  Führt ansonsten die zweite Anweisung aus, falls die zweite Bedingung wahr ist. Führt die dritte Anweisung aus, falls keine der beiden Bedingungen wahr ist.",
 	"CONTROLS_IF_MSG_IF": "falls",
 	"CONTROLS_IF_MSG_ELSEIF": "sonst falls",
 	"CONTROLS_IF_MSG_ELSE": "sonst",
 	"CONTROLS_IF_IF_TOOLTIP": "Hinzufügen, entfernen oder sortieren von Sektionen",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Eine weitere Bedingung hinzufügen.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Eine sonst-Bedingung hinzufügen. Führt eine Anweisung aus, falls keine Bedingung zutrifft.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Abbrechen",
-	"IOS_ERROR": "Fehler",
-	"IOS_PROCEDURES_INPUTS": "PARAMETER",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Parameter hinzufügen",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Anweisungen erlauben",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Diese Funktion hat doppelte Parameter.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Variable hinzufügen",
-	"IOS_VARIABLES_ADD_BUTTON": "Hinzufügen",
-	"IOS_VARIABLES_RENAME_BUTTON": "Umbenennen",
-	"IOS_VARIABLES_DELETE_BUTTON": "Löschen",
-	"IOS_VARIABLES_VARIABLE_NAME": "Name der Variable",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Du kannst keinen leeren Variablennamen verwenden.",
-	"LOGIC_COMPARE_HELPURL": "https://de.wikipedia.org/wiki/Vergleich_%28Zahlen%29",
+	"LOGIC_COMPARE_HELPURL": "https://de.wikipedia.org/wiki/Vergleich_(Zahlen)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Ist wahr, falls beide Werte gleich sind.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Ist wahr, falls beide Werte unterschiedlich sind.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Ist wahr, falls der erste Wert kleiner als der zweite Wert ist.",
@@ -119,13 +110,13 @@
 	"LOGIC_COMPARE_TOOLTIP_GTE": "Ist wahr, falls der erste Wert größer als oder gleich groß wie der zweite Wert ist.",
 	"LOGIC_OPERATION_TOOLTIP_AND": "Ist wahr, falls beide Werte wahr sind.",
 	"LOGIC_OPERATION_AND": "und",
-	"LOGIC_OPERATION_TOOLTIP_OR": "Ist wahr, falls einer der beiden Werte wahr ist.",
+	"LOGIC_OPERATION_TOOLTIP_OR": "Ist wahr, falls mindestens einer der beiden Werte wahr ist.",
 	"LOGIC_OPERATION_OR": "oder",
 	"LOGIC_NEGATE_TITLE": "nicht %1",
-	"LOGIC_NEGATE_TOOLTIP": "Ist wahr, falls der Eingabewert unwahr ist.  Ist unwahr, falls der Eingabewert wahr ist.",
+	"LOGIC_NEGATE_TOOLTIP": "Ist wahr, falls der Eingabewert unwahr ist. Ist unwahr, falls der Eingabewert wahr ist.",
 	"LOGIC_BOOLEAN_TRUE": "wahr",
 	"LOGIC_BOOLEAN_FALSE": "falsch",
-	"LOGIC_BOOLEAN_TOOLTIP": "Ist entweder wahr oder falsch",
+	"LOGIC_BOOLEAN_TOOLTIP": "Ist entweder wahr oder falsch.",
 	"LOGIC_NULL_HELPURL": "https://de.wikipedia.org/wiki/Nullwert",
 	"LOGIC_NULL": "null",
 	"LOGIC_NULL_TOOLTIP": "Ist \"null\".",
@@ -133,9 +124,15 @@
 	"LOGIC_TERNARY_CONDITION": "prüfe",
 	"LOGIC_TERNARY_IF_TRUE": "falls wahr",
 	"LOGIC_TERNARY_IF_FALSE": "falls falsch",
-	"LOGIC_TERNARY_TOOLTIP": "Überprüft eine Bedingung \"prüfe\". Falls die Bedingung wahr ist, wird der \"falls wahr\" Wert zurückgegeben, andernfalls der \"falls unwahr\" Wert",
+	"LOGIC_TERNARY_TOOLTIP": "Überprüft eine Bedingung \"prüfe\". Falls die Bedingung wahr ist, wird der \"falls wahr\"-Wert zurückgegeben, andernfalls der \"falls unwahr\"-Wert",
 	"MATH_NUMBER_HELPURL": "https://de.wikipedia.org/wiki/Zahl",
 	"MATH_NUMBER_TOOLTIP": "Eine Zahl.",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
 	"MATH_ARITHMETIC_HELPURL": "https://de.wikipedia.org/wiki/Grundrechenart",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Ist die Summe zweier Zahlen.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Ist die Differenz zweier Zahlen.",
@@ -145,8 +142,8 @@
 	"MATH_SINGLE_HELPURL": "https://de.wikipedia.org/wiki/Quadratwurzel",
 	"MATH_SINGLE_OP_ROOT": "Quadratwurzel",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Ist die Quadratwurzel einer Zahl.",
-	"MATH_SINGLE_OP_ABSOLUTE": "Betrag",
-	"MATH_SINGLE_TOOLTIP_ABS": "Ist der Betrag einer Zahl.",
+	"MATH_SINGLE_OP_ABSOLUTE": "Absolutbetrag",
+	"MATH_SINGLE_TOOLTIP_ABS": "Ist der Absolutbetrag einer Zahl.",
 	"MATH_SINGLE_TOOLTIP_NEG": "Negiert eine Zahl.",
 	"MATH_SINGLE_TOOLTIP_LN": "Ist der natürliche Logarithmus einer Zahl.",
 	"MATH_SINGLE_TOOLTIP_LOG10": "Ist der dekadische Logarithmus einer Zahl.",
@@ -154,7 +151,7 @@
 	"MATH_SINGLE_TOOLTIP_POW10": "Rechnet 10 hoch eine Zahl.",
 	"MATH_TRIG_HELPURL": "https://de.wikipedia.org/wiki/Trigonometrie",
 	"MATH_TRIG_TOOLTIP_SIN": "Ist der Sinus des Winkels (nicht Radiant).",
-	"MATH_TRIG_TOOLTIP_COS": "Ist der Kosinus des Winkels.",
+	"MATH_TRIG_TOOLTIP_COS": "Ist der Kosinus des Winkels (nicht Radiant).",
 	"MATH_TRIG_TOOLTIP_TAN": "Ist der Tangens des Winkels (nicht Radiant).",
 	"MATH_TRIG_TOOLTIP_ASIN": "Ist der Arkussinus des Eingabewertes.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Ist der Arkuskosinus des Eingabewertes.",
@@ -168,16 +165,16 @@
 	"MATH_IS_POSITIVE": "ist positiv",
 	"MATH_IS_NEGATIVE": "ist negativ",
 	"MATH_IS_DIVISIBLE_BY": "ist teilbar durch",
-	"MATH_IS_TOOLTIP": "Überprüft ob eine Zahl gerade, ungerade, eine Primzahl, ganzzahlig, positiv, negativ oder durch eine zweite Zahl teilbar ist.  Gibt wahr oder falsch zurück.",
+	"MATH_IS_TOOLTIP": "Überprüft, ob eine Zahl gerade, ungerade, eine Primzahl, ganzzahlig, positiv, negativ oder durch eine zweite Zahl teilbar ist. Gibt wahr oder falsch zurück.",
 	"MATH_CHANGE_HELPURL": "https://de.wikipedia.org/wiki/Inkrement_und_Dekrement",
 	"MATH_CHANGE_TITLE": "erhöhe %1 um %2",
-	"MATH_CHANGE_TOOLTIP": "Addiert eine Zahl zu \"%1\".",
+	"MATH_CHANGE_TOOLTIP": "Addiert eine Zahl zur Variable „%1“.",
 	"MATH_ROUND_HELPURL": "https://de.wikipedia.org/wiki/Runden",
 	"MATH_ROUND_TOOLTIP": "Eine Zahl auf- oder abrunden.",
 	"MATH_ROUND_OPERATOR_ROUND": "runde",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "runde auf",
 	"MATH_ROUND_OPERATOR_ROUNDDOWN": "runde ab",
-	"MATH_ONLIST_HELPURL": "http://www.sysplus.ch/einstieg.php?links=menu&seite=4125&grad=Crash&prog=Excel",
+	"MATH_ONLIST_HELPURL": "",
 	"MATH_ONLIST_OPERATOR_SUM": "Summe über die Liste",
 	"MATH_ONLIST_TOOLTIP_SUM": "Ist die Summe aller Zahlen in einer Liste.",
 	"MATH_ONLIST_OPERATOR_MIN": "Minimalwert der Liste",
@@ -189,7 +186,7 @@
 	"MATH_ONLIST_OPERATOR_MEDIAN": "Median der Liste",
 	"MATH_ONLIST_TOOLTIP_MEDIAN": "Ist der Median aller Zahlen in einer Liste.",
 	"MATH_ONLIST_OPERATOR_MODE": "am häufigsten in der Liste",
-	"MATH_ONLIST_TOOLTIP_MODE": "Findet die Werte mit dem häufigstem Vorkommen in der Liste.",
+	"MATH_ONLIST_TOOLTIP_MODE": "Findet die Werte mit dem häufigsten Vorkommen in der Liste.",
 	"MATH_ONLIST_OPERATOR_STD_DEV": "Standardabweichung der Liste",
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Ist die Standardabweichung aller Werte in der Liste.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "Zufallswert aus der Liste",
@@ -210,7 +207,6 @@
 	"MATH_ATAN2_TOOLTIP": "Gibt den Arkustangens des Punktes (X, Y) in Grad von -180 bis 180 zurück.",
 	"TEXT_TEXT_HELPURL": "https://de.wikipedia.org/wiki/Zeichenkette",
 	"TEXT_TEXT_TOOLTIP": "Ein Buchstabe, Text oder Satz.",
-	"TEXT_JOIN_HELPURL": "",
 	"TEXT_JOIN_TITLE_CREATEWITH": "erstelle Text aus",
 	"TEXT_JOIN_TOOLTIP": "Erstellt einen Text durch das Verbinden von mehreren Textelementen.",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "verbinden",
@@ -222,12 +218,10 @@
 	"TEXT_LENGTH_TOOLTIP": "Die Anzahl von Zeichen in einem Text (inkl. Leerzeichen).",
 	"TEXT_ISEMPTY_TITLE": "%1 ist leer",
 	"TEXT_ISEMPTY_TOOLTIP": "Ist wahr, falls der Text keine Zeichen enthält.",
-	"TEXT_INDEXOF_HELPURL": "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm",
-	"TEXT_INDEXOF_TOOLTIP": "Findet das erste / letzte Auftreten eines Suchbegriffs in einem Text.  Gibt die Position des Begriffs zurück oder %1 falls der Suchbegriff nicht gefunden wurde.",
+	"TEXT_INDEXOF_TOOLTIP": "Findet das erste / letzte Auftreten eines Suchbegriffs in einem Text. Gibt die Position des Begriffs zurück oder %1, falls der Suchbegriff nicht gefunden wurde.",
 	"TEXT_INDEXOF_TITLE": "im Text %1 %2 %3",
 	"TEXT_INDEXOF_OPERATOR_FIRST": "suche erstes Auftreten des Begriffs",
 	"TEXT_INDEXOF_OPERATOR_LAST": "suche letztes Auftreten des Begriffs",
-	"TEXT_CHARAT_HELPURL": "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm",
 	"TEXT_CHARAT_TITLE": "im Text %1 %2",
 	"TEXT_CHARAT_FROM_START": "nimm",
 	"TEXT_CHARAT_FROM_END": "nimm von hinten",
@@ -237,7 +231,6 @@
 	"TEXT_CHARAT_TAIL": "Buchstaben",
 	"TEXT_CHARAT_TOOLTIP": "Extrahiert einen Buchstaben von einer bestimmten Position.",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "Gibt den angegebenen Textabschnitt zurück.",
-	"TEXT_GET_SUBSTRING_HELPURL": "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "im Text",
 	"TEXT_GET_SUBSTRING_START_FROM_START": "nimm Teil ab",
 	"TEXT_GET_SUBSTRING_START_FROM_END": "nimm Teil ab von hinten",
@@ -261,32 +254,25 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Fragt den Benutzer nach einer Zahl.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Fragt den Benutzer nach einem Text.",
 	"TEXT_COUNT_MESSAGE0": "zähle %1 in %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Zähle, wie oft ein Text innerhalb eines anderen Textes vorkommt.",
 	"TEXT_REPLACE_MESSAGE0": "ersetze %1 durch %2 in %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "Ersetze alle Vorkommen eines Textes innerhalb eines anderen Textes.",
 	"TEXT_REVERSE_MESSAGE0": "kehre %1 um",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "Kehre die Reihenfolge der Zeichen im Text um.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "erzeuge eine leere Liste",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Erzeugt eine leere Liste ohne Inhalt.",
-	"LISTS_CREATE_WITH_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_CREATE_WITH_TOOLTIP": "Erzeugt eine Liste aus den angegebenen Elementen.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "erzeuge Liste mit",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "Liste",
 	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "Hinzufügen, entfernen und sortieren von Elementen.",
 	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "Ein Element zur Liste hinzufügen.",
-	"LISTS_REPEAT_HELPURL": "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm",
-	"LISTS_REPEAT_TOOLTIP": "Erzeugt eine Liste mit einer variablen Anzahl von Elementen",
-	"LISTS_REPEAT_TITLE": "erzeuge Liste mit %2 mal dem Element %1​",
+	"LISTS_REPEAT_TOOLTIP": "Erzeugt eine Liste mit der angegebenen Anzahl an Elementen des angegebenen Wertes.",
+	"LISTS_REPEAT_TITLE": "erzeuge Liste mit %2-mal dem Element %1",
 	"LISTS_LENGTH_TITLE": "Länge von %1",
 	"LISTS_LENGTH_TOOLTIP": "Die Anzahl von Elementen in der Liste.",
 	"LISTS_ISEMPTY_TITLE": "%1 ist leer",
 	"LISTS_ISEMPTY_TOOLTIP": "Ist wahr, falls die Liste leer ist.",
 	"LISTS_INLIST": "in der Liste",
-	"LISTS_INDEX_OF_HELPURL": "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm",
 	"LISTS_INDEX_OF_FIRST": "suche erstes Auftreten von",
 	"LISTS_INDEX_OF_LAST": "suche letztes Auftreten von",
 	"LISTS_INDEX_OF_TOOLTIP": "Sucht die Position (Index) eines Elementes in der Liste. Gibt %1 zurück, falls kein Element gefunden wurde.",
@@ -295,9 +281,9 @@
 	"LISTS_GET_INDEX_REMOVE": "entferne",
 	"LISTS_GET_INDEX_FROM_START": "das",
 	"LISTS_GET_INDEX_FROM_END": "von hinten das",
-	"LISTS_GET_INDEX_FIRST": "Erste",
-	"LISTS_GET_INDEX_LAST": "Letzte",
-	"LISTS_GET_INDEX_RANDOM": "Zufällig",
+	"LISTS_GET_INDEX_FIRST": "das erste",
+	"LISTS_GET_INDEX_LAST": "das letzte",
+	"LISTS_GET_INDEX_RANDOM": "ein zufälliges",
 	"LISTS_GET_INDEX_TAIL": "Element",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 ist das erste Element.",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 ist das letzte Element.",
@@ -313,7 +299,6 @@
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST": "Entfernt das erste Element aus der Liste.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST": "Entfernt das letzte Element aus der Liste.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM": "Entfernt ein zufälliges Element aus der Liste.",
-	"LISTS_SET_INDEX_HELPURL": "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm",
 	"LISTS_SET_INDEX_SET": "setze für",
 	"LISTS_SET_INDEX_INSERT": "füge als",
 	"LISTS_SET_INDEX_INPUT_TO": "ein",
@@ -323,9 +308,8 @@
 	"LISTS_SET_INDEX_TOOLTIP_SET_RANDOM": "Setzt ein zufälliges Element in der Liste.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FROM": "Fügt das Element an der angegebenen Position in die Liste ein.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "Fügt das Element an den Anfang der Liste an.",
-	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Fügt das Element ans Ende der Liste an.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Fügt das Element an das Ende der Liste an.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "Fügt das Element zufällig in die Liste ein.",
-	"LISTS_GET_SUBLIST_HELPURL": "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm",
 	"LISTS_GET_SUBLIST_START_FROM_START": "nimm Teilliste ab",
 	"LISTS_GET_SUBLIST_START_FROM_END": "nimm Teilliste ab von hinten",
 	"LISTS_GET_SUBLIST_START_FIRST": "nimm Teilliste ab erstes",
@@ -334,7 +318,6 @@
 	"LISTS_GET_SUBLIST_END_LAST": "bis letztes",
 	"LISTS_GET_SUBLIST_TAIL": "Element",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Erstellt eine Kopie mit dem angegebenen Abschnitt der Liste.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "%1 %2 %3 sortieren",
 	"LISTS_SORT_TOOLTIP": "Eine Kopie einer Liste sortieren.",
 	"LISTS_SORT_ORDER_ASCENDING": "aufsteigend",
@@ -342,40 +325,34 @@
 	"LISTS_SORT_TYPE_NUMERIC": "numerisch",
 	"LISTS_SORT_TYPE_TEXT": "alphabetisch",
 	"LISTS_SORT_TYPE_IGNORECASE": "alphabetisch, Großschreibung ignorieren",
-	"LISTS_SPLIT_HELPURL": "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "Liste aus Text erstellen",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "Text aus Liste erstellen",
 	"LISTS_SPLIT_WITH_DELIMITER": "mit Trennzeichen",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Text in eine Liste mit Texten aufteilen, unterbrochen bei jedem Trennzeichen.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Liste mit Texten in einen Text vereinen, getrennt durch ein Trennzeichen.",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "kehre %1 um",
 	"LISTS_REVERSE_TOOLTIP": "Kehre eine Kopie einer Liste um.",
 	"ORDINAL_NUMBER_SUFFIX": ".",
-	"VARIABLES_GET_HELPURL": "https://de.wikipedia.org/wiki/Variable_%28Programmierung%29",
 	"VARIABLES_GET_TOOLTIP": "Gibt den Wert der Variable zurück.",
 	"VARIABLES_GET_CREATE_SET": "Erzeuge \"Schreibe %1\"",
-	"VARIABLES_SET_HELPURL": "https://de.wikipedia.org/wiki/Variable_%28Programmierung%29",
 	"VARIABLES_SET": "setze %1 auf %2",
 	"VARIABLES_SET_TOOLTIP": "Setzt den Wert einer Variable.",
-	"VARIABLES_SET_CREATE_GET": "Erzeuge \"Lese %1\"",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://de.wikipedia.org/wiki/Prozedur_%28Programmierung%29",
+	"VARIABLES_SET_CREATE_GET": "Erzeuge \"Lies %1\"",
 	"PROCEDURES_DEFNORETURN_TITLE": "um",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "etwas tun",
 	"PROCEDURES_BEFORE_PARAMS": "mit:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "mit:",
-	"PROCEDURES_DEFNORETURN_DO": "",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Ein Funktionsblock ohne Rückgabewert.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Beschreibe diese Funktion …",
-	"PROCEDURES_DEFRETURN_HELPURL": "https://de.wikipedia.org/wiki/Prozedur_%28Programmierung%29",
+	"PROCEDURES_DEFRETURN_HELPURL": "https://de.wikipedia.org/wiki/Prozedur_(Programmierung)",
 	"PROCEDURES_DEFRETURN_RETURN": "gib zurück",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Ein Funktionsblock mit Rückgabewert.",
 	"PROCEDURES_ALLOW_STATEMENTS": "Anweisungen erlauben",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Warnung: Dieser Funktionsblock hat zwei gleich benannte Parameter.",
 	"PROCEDURES_CALLNORETURN_HELPURL": "https://de.wikipedia.org/wiki/Unterprogramm",
-	"PROCEDURES_CALLNORETURN_TOOLTIP": "Rufe einen Funktionsblock ohne Rückgabewert auf.",
+	"PROCEDURES_CALLNORETURN_TOOLTIP": "Ruft die benutzerdefinierte Funktion „%1“ auf.",
 	"PROCEDURES_CALLRETURN_HELPURL": "https://de.wikipedia.org/wiki/Unterprogramm",
-	"PROCEDURES_CALLRETURN_TOOLTIP": "Rufe einen Funktionsblock mit Rückgabewert auf.",
+	"PROCEDURES_CALLRETURN_TOOLTIP": "Ruft die benutzerdefinierte Funktion „%1“ auf und verwendet ihre Ausgabe.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "Parameter",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Die Eingaben zu dieser Funktion hinzufügen, entfernen oder neu anordnen.",
 	"PROCEDURES_MUTATORARG_TITLE": "Variable:",
@@ -383,9 +360,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Markiere Funktionsblock",
 	"PROCEDURES_CREATE_DO": "Erzeuge \"Aufruf %1\"",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Gibt den zweiten Wert zurück und verlässt die Funktion, falls der erste Wert wahr ist.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Warnung: Dieser Block darf nur innerhalb eines Funktionsblocks genutzt werden.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Teile etwas mit…",
-	"WORKSPACE_ARIA_LABEL": "Blockly Arbeitsbereich",
-	"COLLAPSED_WARNINGS_WARNING": "Eingeklappte Blöcke enthalten Warnungen."
+	"WORKSPACE_ARIA_LABEL": "Blockly-Arbeitsbereich",
+	"COLLAPSED_WARNINGS_WARNING": "Eingeklappte Blöcke enthalten Warnungen.",
+	"DIALOG_OK": "Okay",
+	"DIALOG_CANCEL": "Abbrechen"
 }
diff --git a/msg/json/diq.json b/msg/json/diq.json
index 480c845b79a..bc37d442a9c 100644
--- a/msg/json/diq.json
+++ b/msg/json/diq.json
@@ -16,16 +16,16 @@
 	"ADD_COMMENT": "Tefsir cı ke",
 	"REMOVE_COMMENT": "Tefsiri Wedare",
 	"DUPLICATE_COMMENT": "Mışewreyo zewnc",
-	"EXTERNAL_INPUTS": "Cıkewtışê xarıciy",
+	"EXTERNAL_INPUTS": "Cıkewtışê xarıciyi",
 	"INLINE_INPUTS": "Cıkerdışê xomiyani",
 	"DELETE_BLOCK": "Bloki bestere",
 	"DELETE_X_BLOCKS": "%1 blokan bestere",
 	"DELETE_ALL_BLOCKS": "Pêro %1 bloki besteriyê?",
 	"CLEAN_UP": "Blokan pak ke",
 	"COLLAPSE_BLOCK": "Bloki teng ke",
-	"COLLAPSE_ALL": "Blokan teng ke",
+	"COLLAPSE_ALL": "Kılitkerdışan teng ke",
 	"EXPAND_BLOCK": "Bloki hera ke",
-	"EXPAND_ALL": "Blokan hera ke",
+	"EXPAND_ALL": "Kılitkerdışan hera ke",
 	"DISABLE_BLOCK": "Çengi devre ra vec",
 	"ENABLE_BLOCK": "Bloki feal ke",
 	"HELP": "Peşti",
@@ -41,7 +41,9 @@
 	"NEW_VARIABLE_TYPE_TITLE": "Tewrê vurriyayoğê neweyi:",
 	"NEW_VARIABLE_TITLE": "Tewrê vurriyayoğê neweyi:",
 	"VARIABLE_ALREADY_EXISTS": "Yew vırnayış be namey '%1' xora est.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Vurnaye be nameyê '%1' ra be babetê bini ra esto: '%2'",
 	"DELETE_VARIABLE_CONFIRMATION": "%1 ke vırnayışê '%2'i gırweneno, besteriyo?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Vurniyaye '%1' nêşeno besteriyo, çıke parçeyê şınasnayışiyê fonksiyonê '%2'yo",
 	"DELETE_VARIABLE": "Şıma vırnaoğê '%1'i besterê",
 	"COLOUR_PICKER_HELPURL": "https://diq.wikipedia.org/wiki/Reng",
 	"COLOUR_PICKER_TOOLTIP": "Şıma palet ra yew reng weçinê.",
@@ -49,14 +51,13 @@
 	"COLOUR_RANDOM_TOOLTIP": "Tesadufi yu ren bıweçin",
 	"COLOUR_RGB_TITLE": "komponentên rengan",
 	"COLOUR_RGB_RED": "sur",
-	"COLOUR_RGB_GREEN": "kıho",
+	"COLOUR_RGB_GREEN": "kesk",
 	"COLOUR_RGB_BLUE": "kewe",
 	"COLOUR_RGB_TOOLTIP": "Şıma renganê sûr, aşıl u kohoy ra rengê do spesifik vırazê. Gani ê pêro 0 u 100 miyan de bıbê.",
 	"COLOUR_BLEND_TITLE": "tewde",
 	"COLOUR_BLEND_COLOUR1": "reng 1",
 	"COLOUR_BLEND_COLOUR2": "reng 2",
 	"COLOUR_BLEND_RATIO": "nısbet",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "%1 fıni tekrar ke",
 	"CONTROLS_REPEAT_INPUT_DO": "bıke",
 	"CONTROLS_REPEAT_TOOLTIP": "Şıma tayêna reyi akerdışi kerê.",
@@ -76,19 +77,6 @@
 	"CONTROLS_IF_MSG_ELSEIF": "eke nêyo",
 	"CONTROLS_IF_MSG_ELSE": "eke çıniyo",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Bloq da if'i rê yu şert dekerê de.",
-	"IOS_OK": "TEMAM",
-	"IOS_CANCEL": "Bıtexelne",
-	"IOS_ERROR": "Xeta",
-	"IOS_PROCEDURES_INPUTS": "BEYANİ",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Beyan cı ke",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "İfade rê mısade bıde",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Vurnekari cı kerê",
-	"IOS_VARIABLES_ADD_BUTTON": "Cı ke",
-	"IOS_VARIABLES_RENAME_BUTTON": "Reyna name ke",
-	"IOS_VARIABLES_DELETE_BUTTON": "Bestere",
-	"IOS_VARIABLES_VARIABLE_NAME": "Namê vurriyayışi",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Heruna nameyê curnekari veng mevıradê.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Debiyaye dı erci zey pêyêse ercê \"True\" dane.",
 	"LOGIC_OPERATION_TOOLTIP_AND": "Eger her dı cıkewtışi zi raştê, şıma ageyrê.",
 	"LOGIC_OPERATION_AND": "û",
@@ -102,15 +90,20 @@
 	"LOGIC_TERNARY_CONDITION": "test",
 	"LOGIC_TERNARY_IF_TRUE": "eke raşto",
 	"LOGIC_TERNARY_IF_FALSE": "eke ğeleto",
-	"LOGIC_TERNARY_TOOLTIP": "Şerta'test'i test keno.  Eger ke şert raşta se erca 'raşt'i çarneno, çepo se erca 'çep'  çarneno.",
+	"LOGIC_TERNARY_TOOLTIP": "Şerta'test'i test keno.  Eger ke şert raşta se erca 'raşt'i çarneno, çepo se erca 'çep' çarneno.",
 	"MATH_NUMBER_HELPURL": "https://diq.wikipedia.org/wiki/Numre",
 	"MATH_NUMBER_TOOLTIP": "Yew numre.",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "arcsin",
+	"MATH_TRIG_ACOS": "arccos",
+	"MATH_TRIG_ATAN": "arctan",
 	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Aritmetik",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Arêdayışê dı amara tadê",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Ferqê dı amara tadê",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Reyina dı amara tadê",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Letey iya dı amara tadê",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "karekok",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Karerêçê yew amarer tadê",
 	"MATH_SINGLE_OP_ABSOLUTE": "mutlaq",
@@ -127,7 +120,6 @@
 	"MATH_TRIG_TOOLTIP_ASIN": "Arksinusê yew amari açarne.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Arkkosinusê yew amari açarne.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Arktangensê yew amari açarne.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Sabitanê wertağan ra yew açarne: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (bêpeyniye).",
 	"MATH_IS_EVEN": "zewnco",
 	"MATH_IS_ODD": "kıto",
@@ -136,9 +128,7 @@
 	"MATH_IS_POSITIVE": "pozitifo",
 	"MATH_IS_NEGATIVE": "negatifo",
 	"MATH_IS_DIVISIBLE_BY": "Leteyêno",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "%2, keno %1 vurneno",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Yu amorer loğê cêri yana cori ke",
 	"MATH_ROUND_OPERATOR_ROUND": "gılor ke",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "Loğê cori ke",
@@ -152,18 +142,15 @@
 	"MATH_ONLIST_OPERATOR_MEDIAN": "Wertey lista",
 	"MATH_ONLIST_TOOLTIP_MEDIAN": "Lista ra amara werti tadê",
 	"MATH_ONLIST_OPERATOR_MODE": "listey modi",
+	"MATH_ONLIST_OPERATOR_STD_DEV": "Standart ferqıziya lista",
 	"MATH_ONLIST_OPERATOR_RANDOM": "Raştamaye objeya lista",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Liste ra yew elemento rastameye açarne.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "%1 ÷ %2 ra menden",
 	"MATH_MODULO_TOOLTIP": "Mendeyan ra teqsimkerdışê dı amaran açarne.",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "Raştamaye nimande amor",
 	"MATH_ATAN2_HELPURL": "https://diq.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2, X:%1 Y:%2",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
-	"TEXT_TEXT_TOOLTIP": "Yu herfa,  satır yana çekuya metini",
+	"TEXT_TEXT_TOOLTIP": "Yu herfa, satır yana çekuya metini",
 	"TEXT_JOIN_TITLE_CREATEWITH": "ya metin vıraz",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "gıre de",
 	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "Yew işaret nuşteyi ke.",
@@ -191,7 +178,10 @@
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "Herfanê werdiyana",
 	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "Ser herf gırd",
 	"TEXT_PRINT_TITLE": "%1 çap",
+	"TEXT_PROMPT_TOOLTIP_NUMBER": "Seba yew numreya karber persiyê",
+	"TEXT_PROMPT_TOOLTIP_TEXT": "Seba tay metinan karberi persiyê",
 	"TEXT_COUNT_MESSAGE0": "%1 miyan de %2 bımare",
+	"TEXT_REPLACE_MESSAGE0": "%1 heruna ra zerrey %3 zerrey %2 ya bıvurne",
 	"TEXT_REVERSE_MESSAGE0": "karakteranê %1 weçarne",
 	"LISTS_CREATE_EMPTY_TITLE": "lista venge vıraze",
 	"LISTS_CREATE_WITH_INPUT_WITH": "Liste ya vıraz",
@@ -207,24 +197,37 @@
 	"LISTS_GET_INDEX_GET": "bıgê",
 	"LISTS_GET_INDEX_GET_REMOVE": "Bıgi u wedarne",
 	"LISTS_GET_INDEX_REMOVE": "wedare",
+	"LISTS_GET_INDEX_FROM_START": "#",
 	"LISTS_GET_INDEX_FROM_END": "# peyniye ra",
 	"LISTS_GET_INDEX_FIRST": "verên",
 	"LISTS_GET_INDEX_LAST": "peyên",
 	"LISTS_GET_INDEX_RANDOM": "raştameye",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 objeyo sıfteyên o",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 objeyo peyên o",
+	"LISTS_GET_INDEX_TOOLTIP_GET_FIRST": "Lista de obcey sıfteyıni tadano",
+	"LISTS_GET_INDEX_TOOLTIP_GET_LAST": "Lista de obcey peyêni tadano",
+	"LISTS_GET_INDEX_TOOLTIP_GET_RANDOM": "Lista de obcey raşt ameyayi tadano",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST": "Lista de obcey sıfteyıni wedareno",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST": "Lista de obcey peyêni wedareno",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM": "Lista de obcey raşt ameyayi wedareno",
 	"LISTS_SET_INDEX_SET": "ca ke",
 	"LISTS_SET_INDEX_INSERT": "De fi",
 	"LISTS_SET_INDEX_INPUT_TO": "zey",
+	"LISTS_SET_INDEX_TOOLTIP_SET_FIRST": "Lista de obcey sıfteyıni eyar keno",
+	"LISTS_SET_INDEX_TOOLTIP_SET_LAST": "Lista de obcey peyêni eyar keno",
+	"LISTS_SET_INDEX_TOOLTIP_SET_RANDOM": "Lista de obcey raşt ameyayi eyar keno",
+	"LISTS_GET_SUBLIST_START_FROM_START": "lista # ra lista bınêne bıgêrê",
+	"LISTS_GET_SUBLIST_START_FIRST": "verênde lista bınêne bıgêrê",
 	"LISTS_GET_SUBLIST_END_FROM_START": "#'ya",
 	"LISTS_GET_SUBLIST_END_FROM_END": "Peyni # ra hetana",
 	"LISTS_GET_SUBLIST_END_LAST": "Hetana pey",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "%1 %2 %3 weçine",
+	"LISTS_SORT_TOOLTIP": "Kopyay yew lista rêz kerê",
 	"LISTS_SORT_ORDER_ASCENDING": "zeydıyen",
 	"LISTS_SORT_ORDER_DESCENDING": "Kemeyen",
 	"LISTS_SORT_TYPE_NUMERIC": "Amoriyal",
 	"LISTS_SORT_TYPE_TEXT": "Alfabetik",
+	"LISTS_SORT_TYPE_IGNORECASE": "alfabetik, nezeri mekerên",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "metini ra lista bıkerê",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "Lista ra metin bıkerê",
 	"LISTS_SPLIT_WITH_DELIMITER": "Hududoxi ya",
@@ -244,10 +247,12 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Yew fonksiyono çap daye vırazeno",
 	"PROCEDURES_ALLOW_STATEMENTS": "ifade rê mısade bıde",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Tembe: Nê fonksiyoni de parametreyê dıleti estê.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "cıkewtışi",
 	"PROCEDURES_MUTATORARG_TITLE": "namey cıkewtışi:",
+	"PROCEDURES_MUTATORARG_TOOLTIP": "Funksiyoni rê yew cıkewtış ilawe ke.",
 	"PROCEDURES_CREATE_DO": "'%1' vıraze",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Çiyê vace..."
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Çiyê vace...",
+	"WORKSPACE_ARIA_LABEL": "Blockly Caygurenayışi",
+	"DIALOG_OK": "TEMAM",
+	"DIALOG_CANCEL": "Bıtexelne"
 }
diff --git a/msg/json/dtp.json b/msg/json/dtp.json
new file mode 100644
index 00000000000..cd64e39fd1e
--- /dev/null
+++ b/msg/json/dtp.json
@@ -0,0 +1,198 @@
+{
+	"@metadata": {
+		"authors": [
+			"CorrelMoris38",
+			"Jilorisa"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "kakamot",
+	"UNNAMED_KEY": "au kingaran",
+	"TODAY": "Baino",
+	"DUPLICATE_BLOCK": "Pomoduo",
+	"ADD_COMMENT": "Panahak komi",
+	"REMOVE_COMMENT": "Pugaso komi",
+	"DUPLICATE_COMMENT": "Pomoduo kumin",
+	"EXTERNAL_INPUTS": "Input soliwan",
+	"INLINE_INPUTS": "Inpus sambaris",
+	"DELETE_BLOCK": "Iduo taantob",
+	"DELETE_X_BLOCKS": "Iduo %1 taantob",
+	"DELETE_ALL_BLOCKS": "Iduo toinsanan %1 taantob?",
+	"CLEAN_UP": "Lidango taantob",
+	"COLLAPSE_BLOCK": "Lopio taantob",
+	"COLLAPSE_ALL": "Lopio toinsanan taantob",
+	"EXPAND_BLOCK": "Ukabai taantob",
+	"EXPAND_ALL": "Ukabai toinsanan taantob",
+	"DISABLE_BLOCK": "Patayo taantob",
+	"ENABLE_BLOCK": "Posi'o taantob",
+	"HELP": "Uhupai",
+	"UNDO": "Potonduliono kawagu",
+	"REDO": "Wonsoyo kawagu",
+	"CHANGE_VALUE_TITLE": "Simbanai gatang:",
+	"RENAME_VARIABLE": "Simbanai ngaran pembolehubah...",
+	"RENAME_VARIABLE_TITLE": "Pomungaranai toinsanan%1 pembolehubah kumaa:",
+	"NEW_VARIABLE": "Pomonsoi pembolehubah",
+	"NEW_STRING_VARIABLE": "Pomonsoi tali pembolehubah...",
+	"NEW_NUMBER_VARIABLE": "Pomonsoi numbul pembolehubah...",
+	"NEW_COLOUR_VARIABLE": "Pomonsoi warana pembolehubah...",
+	"NEW_VARIABLE_TYPE_TITLE": "Kawo pembolehubah wagu:",
+	"NEW_VARIABLE_TITLE": "Ngaran pembolehubah wagu:",
+	"VARIABLE_ALREADY_EXISTS": "Pembolehubah pinungaranan %1 haro no.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Pembolehubah pinungaranan '%1' haro no ngaran montok suai kawo: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Pembolehubah pinungaranan do '%1' haro no sabaagi parameter id prosedur '%2'.",
+	"DELETE_VARIABLE_CONFIRMATION": "Pugaso %1 pomogunoon pembolehubah %2?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Au milo momugas do pembolehubah '%1' tu' soboogian do definisi montok kogunoon '%2'",
+	"DELETE_VARIABLE": "Pugaso pembolehubah '%1'",
+	"COLOUR_PICKER_TOOLTIP": "Pili'o iso warana mantad palet.",
+	"COLOUR_RANDOM_TITLE": "wotik rawak",
+	"COLOUR_RANDOM_TOOLTIP": "Pili'o wotik mmiampai rawak.",
+	"COLOUR_RGB_TITLE": "warana miampai",
+	"COLOUR_RGB_RED": "aragang",
+	"COLOUR_RGB_GREEN": "otomou",
+	"COLOUR_RGB_BLUE": "obulou",
+	"COLOUR_RGB_TOOLTIP": "Pomonsoi wotik miampai ginumu spesifik do aragang, otomou om obulou. Oinsanan ginumu minog id pintangaan do 0 om 100.",
+	"COLOUR_BLEND_TITLE": "piroloto",
+	"COLOUR_BLEND_COLOUR1": "wotik 1",
+	"COLOUR_BLEND_COLOUR2": "wotik 2",
+	"COLOUR_BLEND_RATIO": "nisbah",
+	"COLOUR_BLEND_TOOLTIP": "Piroloto dua wotik misungku miampai nisbah di tinahak (0.0 - 1.0).",
+	"CONTROLS_REPEAT_TITLE": "wonsoyo kawagu %1",
+	"CONTROLS_REPEAT_INPUT_DO": "wonsoyo",
+	"CONTROLS_REPEAT_TOOLTIP": "Wonsoyo kawagu tisunud miampai piipiro.",
+	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "Huliton kawagu soira",
+	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "Huliton gisom",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Soira otopot o gatang dii, wonsoyo piipiro tisunud.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Sokiro au koontok o gatang, wonsoyo o tisunud.",
+	"CONTROLS_FOR_TOOLTIP": "Guno'o pombolehubah '%1' id gatang mantad piipiro numbul id kotimpuunon gisom kolimpupuson, intobon tumanud selang di pinatantu, om wonsoyo tantob-tantob pointantu.",
+	"CONTROLS_FOR_TITLE": "intobo miampai %1 mantad %2 gisom %3 selang %4",
+	"CONTROLS_FOREACH_TITLE": "montok monikid item %1 id sanarai %2",
+	"CONTROLS_FOREACH_TOOLTIP": "Montok monikid item id sanarai, patatapo pombolehubah '%1' id item, om wonsoyo piipiro tisunud.",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "tingkodo gelung",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "timpuun mimpai lelaran gelung pointilombus",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Soliwan mantad di kisuang do gelung.",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "Tolibai toinsanan gelung, om timpuun miampai lelaran potilombus.",
+	"CONTROLS_FLOW_STATEMENTS_WARNING": "Pononsunudan : Tantob diti milo guno'on miampai gelung.",
+	"CONTROLS_IF_TOOLTIP_1": "Sokiro otopot o gatang, pomonsoi piipiro tisunud.",
+	"CONTROLS_IF_TOOLTIP_2": "Sokiro otopot gatang, pomonsoi tantab kumoiso montok tisunud. Au nopo, wonsoyo tantob kumoduo montok tisunud.",
+	"CONTROLS_IF_TOOLTIP_3": "Sokiro gatang koiso nopo nga' otopot, wonsoyo o tantob koiso tisunud dii. Au nopo, sokiro gatang koduo nopo nga' otopot, wonsoyo tantob kumoduo.",
+	"CONTROLS_IF_TOOLTIP_4": "Sokiro gatang kumoiso otopot, wonsoyo tisunud montok tantob kumoiso. Au nopo, sokiro gatang kumoduo otopot, wonsoyo tisunud montok tantob kumoduo. Sokiro aiso gatang di otopot, wonsoyo tantob di kotohuri montok tisunud.",
+	"CONTROLS_IF_MSG_IF": "sokiro",
+	"CONTROLS_IF_MSG_ELSEIF": "suai sokiro",
+	"CONTROLS_IF_MSG_ELSE": "suai",
+	"CONTROLS_IF_IF_TOOLTIP": "Ruhangai, iduo, toi ko' uludo kawagu boogian montok mongulud kawagu tantob sokiro.",
+	"CONTROLS_IF_ELSEIF_TOOLTIP": "Ruhangai iso syarat kumaa tantob sokiro.",
+	"CONTROLS_IF_ELSE_TOOLTIP": "Poruhango ii kotohuri, poundoliho toinsanan kowoowoyoon kumaa id tantob sokiro.",
+	"LOGIC_COMPARE_TOOLTIP_EQ": "Tumonduli otopot sokiro koduo-duo input otopot miampai tiso om tiso.",
+	"LOGIC_COMPARE_TOOLTIP_NEQ": "Tumonduli otopot sokiro koduo-duo input au miagal miampai tiso om tiso.",
+	"LOGIC_COMPARE_TOOLTIP_LT": "Tumonduli otopot sokiro input koiso lobi okoro mantad do input kumoduo.",
+	"LOGIC_COMPARE_TOOLTIP_LTE": "Tumonduli otopot sokiro input koiso lobi okoro toi ko' miagal do input kumoduo.",
+	"LOGIC_COMPARE_TOOLTIP_GT": "Tumonduli otopot sokiro input koiso lobi osonong mantad ko' input kumoduo.",
+	"LOGIC_COMPARE_TOOLTIP_GTE": "Tumonduli otopot sokiro input koiso lobi osonong toi ko' miagal do input kumoduo.",
+	"LOGIC_OPERATION_TOOLTIP_AND": "Tumonduli otopot sokiro koduo-duo input nga' otopot.",
+	"LOGIC_OPERATION_AND": "om",
+	"LOGIC_OPERATION_TOOLTIP_OR": "Tumonduli otopot sokiro iso no pia input di otopot.",
+	"LOGIC_OPERATION_OR": "toi ko'",
+	"LOGIC_NEGATE_TITLE": "okon ko' %1",
+	"LOGIC_NEGATE_TOOLTIP": "Tumonduli otopot sokiro input au otopot. Tumonduli kasala sokiro otopot input.",
+	"LOGIC_BOOLEAN_TRUE": "otopot",
+	"LOGIC_BOOLEAN_FALSE": "kasala",
+	"LOGIC_BOOLEAN_TOOLTIP": "Tumonduli nung otopot toi ko' kasala.",
+	"LOGIC_NULL": "null",
+	"LOGIC_NULL_TOOLTIP": "Tumonduli null.",
+	"LOGIC_TERNARY_CONDITION": "umbalan",
+	"LOGIC_TERNARY_IF_TRUE": "sokiro otopot",
+	"LOGIC_TERNARY_IF_FALSE": "sokiro kasala",
+	"LOGIC_TERNARY_TOOLTIP": "Intangai kowoowoyo id 'test'. Sokiro otopot kowoowoyoon, tumonduli id gatang 'if true'; au nopo nga' tumonduli id gatang 'if false'.",
+	"MATH_NUMBER_TOOLTIP": "Numbul",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "kos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "akos",
+	"MATH_TRIG_ATAN": "atan",
+	"MATH_ARITHMETIC_TOOLTIP_ADD": "Potondulionon ginumu montok duo numbul.",
+	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Potondulionon o pisuayan do duo numbul.",
+	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Potondulionon produk montok duo numbul.",
+	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Potondulionon asil bahagi montok duo numbul.",
+	"MATH_ARITHMETIC_TOOLTIP_POWER": "Potonduliono numbul kumoiso di pinoingkawas kumaa kuasa do numbul kumoduo.",
+	"MATH_SINGLE_OP_ROOT": "punca kuasa duo",
+	"MATH_SINGLE_TOOLTIP_ROOT": "Potonduliono punca kuasa duo numbul.",
+	"MATH_SINGLE_OP_ABSOLUTE": "mutlak",
+	"MATH_SINGLE_TOOLTIP_ABS": "Potonduliono gatang mutlak montok isoiso numbul.",
+	"MATH_SINGLE_TOOLTIP_NEG": "Potonduliono numbul di songsang.",
+	"MATH_SINGLE_TOOLTIP_LN": "Potonduliono o logaritma asli numbul.",
+	"MATH_SINGLE_TOOLTIP_LOG10": "Potonduliono impohon logaritma 10 numbul.",
+	"MATH_SINGLE_TOOLTIP_EXP": "Potonduliono e kumaa kuasa numbul.",
+	"MATH_SINGLE_TOOLTIP_POW10": "Potonduliono 10 kumaa kuasa numbul.",
+	"MATH_TRIG_TOOLTIP_SIN": "Potonduliono darjah sine (okon radian).",
+	"MATH_TRIG_TOOLTIP_COS": "Potonduliono cosine do darjah (okon radian).",
+	"MATH_TRIG_TOOLTIP_TAN": "Potonduliono tangen do darjah (okon ko' radian).",
+	"MATH_TRIG_TOOLTIP_ASIN": "Potonduliono arcsine mantad numbul.",
+	"MATH_TRIG_TOOLTIP_ACOS": "Potonduliono arccosine mantad do numbul.",
+	"MATH_TRIG_TOOLTIP_ATAN": "Potonduliono arctangen mantad numbul.",
+	"MATH_CONSTANT_TOOLTIP": "Potonduliono iso mantad do pemalar koubasanan: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).",
+	"MATH_IS_EVEN": "poinggonop no",
+	"MATH_IS_ODD": "suusuai",
+	"MATH_IS_PRIME": "pordana",
+	"MATH_IS_WHOLE": "koinsanai",
+	"MATH_IS_POSITIVE": "positif",
+	"MATH_IS_NEGATIVE": "negatif",
+	"MATH_IS_DIVISIBLE_BY": "milo piboogion miampai",
+	"MATH_IS_TOOLTIP": "Intangai nung numbul di poinggonop, suusuai, pordana, koinsanai, positif, negatif, toi ko' milo piboogion do numbul. Potonduliono otopot toi ko' kasala.",
+	"MATH_CHANGE_TITLE": "kounolihon %1 miampai %2",
+	"MATH_CHANGE_TOOLTIP": "Poruhango numbul kumaa pombolehubah '%1'.",
+	"MATH_ROUND_TOOLTIP": "Pobulato numbul minsawat toi ko' minsiriba.",
+	"MATH_ROUND_OPERATOR_ROUND": "pobulugu",
+	"MATH_ROUND_OPERATOR_ROUNDUP": "buluguo id sawat",
+	"MATH_ROUND_OPERATOR_ROUNDDOWN": "buluguo id siriba",
+	"MATH_ONLIST_OPERATOR_SUM": "Ginumu sanarai",
+	"MATH_ONLIST_TOOLTIP_SUM": "Potonduliono ginumu toinsanan numbul id sanarai.",
+	"MATH_ONLIST_OPERATOR_MIN": "min id suang sanarai",
+	"MATH_ONLIST_TOOLTIP_MIN": "Pogulio numbul bobos tokoro id sanarai.",
+	"MATH_ONLIST_OPERATOR_MAX": "Maksimum id suang sanarai",
+	"MATH_ONLIST_TOOLTIP_MAX": "Potonduliono numbul bobos tagayo id sanarai.",
+	"MATH_ONLIST_OPERATOR_AVERAGE": "purata mantad sanarai",
+	"MATH_ONLIST_TOOLTIP_AVERAGE": "Potonduliono purata (min aritmetik) mantad gatang numerik id sanarai.",
+	"MATH_ONLIST_OPERATOR_MEDIAN": "median montok sanarai",
+	"MATH_ONLIST_TOOLTIP_MEDIAN": "Potonduliono numbul median id sanarai.",
+	"MATH_ONLIST_OPERATOR_MODE": "mod mantad sanarai",
+	"MATH_ONLIST_TOOLTIP_MODE": "Potonduliono sanarai item di bobos koubasan id sanarai.",
+	"MATH_ONLIST_OPERATOR_STD_DEV": "sisihan piawai montok sanarai",
+	"MATH_ONLIST_TOOLTIP_STD_DEV": "Potondulio sisihan piawai mantad sanarai.",
+	"MATH_ONLIST_OPERATOR_RANDOM": "Item rawak id sanarai",
+	"MATH_ONLIST_TOOLTIP_RANDOM": "Potondulio item rawak mantad do sanarai.",
+	"MATH_MODULO_TITLE": "noolu montok %1 ÷ %2",
+	"MATH_MODULO_TOOLTIP": "Potonduliono noolu mantad pomboogian duo numbul.",
+	"MATH_CONSTRAIN_TITLE": "Kotogangan %1 osiriba %2 akawas %3",
+	"MATH_CONSTRAIN_TOOLTIP": "Kotogangan numbul id pialatan do limit spesifik (inklusif).",
+	"MATH_RANDOM_INT_TITLE": "integer rawak mantad %1 kumaa %2",
+	"MATH_RANDOM_INT_TOOLTIP": "Potonduliono integer rawak id pialatan do duo limit spesifik, inklusif.",
+	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "pamabakan rawak",
+	"MATH_RANDOM_FLOAT_TOOLTIP": "Potondulionon pamabakan rawak id pialatan 0.0 (inklusif) om 1.0 (esklusif).",
+	"MATH_ATAN2_TITLE": "atan2 do X:%1 Y:%2",
+	"MATH_ATAN2_TOOLTIP": "Potonduliono titik artangen (X,Y) id darjah mantad -180 gisom 180.",
+	"TEXT_TEXT_TOOLTIP": "Pimato, boros toi ko' baris teks.",
+	"TEXT_JOIN_TITLE_CREATEWITH": "Pomonsoi teks momoguno",
+	"TEXT_JOIN_TOOLTIP": "Pomonsoi soboogian teks miampai popiungkait nunu nopo numbul id items.",
+	"TEXT_CREATE_JOIN_TITLE_JOIN": "tanud",
+	"TEXT_CREATE_JOIN_TOOLTIP": "Ruhangai, idui, toi ko' rikudo seksyen montok mongulud kawagu tantob teks diti,",
+	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "Ruhangai item kumaa teks.",
+	"TEXT_APPEND_TITLE": "kumaa %1 ruhangai teks %2",
+	"TEXT_APPEND_TOOLTIP": "Ruhangai soboogian teks kumaa pembolehubah '%1'.",
+	"TEXT_LENGTH_TITLE": "Ninaru %1",
+	"TEXT_LENGTH_TOOLTIP": "Pogulio ginumu pimato (kohompit no liwang) id suang teks di pinotounda.",
+	"TEXT_ISEMPTY_TITLE": "%1 nopo nga' kusung",
+	"TEXT_ISEMPTY_TOOLTIP": "Potonduliono otopot sokiro teks di pinotounda nopo nga' kusung.",
+	"TEXT_INDEXOF_TOOLTIP": "Potonduliono Indeks kinaantakan koiso/kotohuri mantad teks koiso kumaa teks koduo. Potonduliono %1 sokiro au koruba teks.",
+	"TEXT_INDEXOF_TITLE": "id suang teks %1 %2 %3",
+	"TEXT_INDEXOF_OPERATOR_FIRST": "mogihum kinaantakan koiso teks",
+	"TEXT_INDEXOF_OPERATOR_LAST": "mogihum kinaantakan kotohuri teks",
+	"TEXT_CHARAT_TITLE": "is suang teks %1 %2",
+	"TEXT_CHARAT_FROM_START": "maganu pimato #",
+	"TEXT_CHARAT_FROM_END": "mogihum pimato # mantad kotohuri",
+	"TEXT_CHARAT_FIRST": "mogihum pimato koiso",
+	"TEXT_CHARAT_LAST": "mogihum pimato kotohuri",
+	"TEXT_CHARAT_RANDOM": "mogihum pimato rawak",
+	"TEXT_CHARAT_TOOLTIP": "Potondulionon pimato kumaa kinoyonon spesifik.",
+	"TEXT_GET_SUBSTRING_TOOLTIP": "Potonduliono ginumu spesifik do teks.",
+	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "id suang teks"
+}
diff --git a/msg/json/dty.json b/msg/json/dty.json
index 75ff1129a77..27a95cc6645 100644
--- a/msg/json/dty.json
+++ b/msg/json/dty.json
@@ -15,7 +15,7 @@
 	"EXTERNAL_INPUTS": "भाइरका इन्पुटहरू",
 	"INLINE_INPUTS": "इनलाइन इन्पुटहरू",
 	"DELETE_BLOCK": "ब्लक हटाउन्या",
-	"DELETE_X_BLOCKS": " %1 ब्लकहरू हटाउन्या",
+	"DELETE_X_BLOCKS": "%1 ब्लकहरू हटाउन्या",
 	"DELETE_ALL_BLOCKS": "सबै %1 ब्लकनलाई हटाउन्या ?",
 	"CLEAN_UP": "ब्लकनलाई हटाओ",
 	"COLLAPSE_BLOCK": "ब्लक भत्का",
@@ -35,7 +35,6 @@
 	"VARIABLE_ALREADY_EXISTS": "'%1' नाउँ अरियाऽ भेरिएबल पैली बठेइ छ।",
 	"DELETE_VARIABLE_CONFIRMATION": "'%2' भेरिएबला %1 प्रयोग मेट्ट्या?",
 	"DELETE_VARIABLE": "'%1' भेरिएबल मेट:",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "पैलेट बाट एक रंग चुन ।",
 	"COLOUR_RANDOM_TITLE": "जुनसुकै रङ्ग",
 	"COLOUR_RANDOM_TOOLTIP": "रैन्डम्ली एक रंग चयन गर ।",
@@ -76,17 +75,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Add, remove, or reorder sections to reconfigure this if block.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "यदि ब्लकमा एक शर्त जोडौं ।",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Add a final, catch-all condition to the if block.",
-	"IOS_OK": "हुन्छ",
-	"IOS_CANCEL": "खारेजी",
-	"IOS_ERROR": "गल्ती",
-	"IOS_PROCEDURES_INPUTS": "इनपुटन",
-	"IOS_PROCEDURES_ADD_INPUT": "+ इनपुट थपः",
-	"IOS_VARIABLES_ADD_BUTTON": "जोड़ऽ",
-	"IOS_VARIABLES_RENAME_BUTTON": "पुनर्नामकरण",
-	"IOS_VARIABLES_DELETE_BUTTON": "मेटः",
-	"IOS_VARIABLES_VARIABLE_NAME": "चल(भेरिएबल) नाउँ",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "तम खाली चल नाउँ प्रयोग अरीनाइसक्दाः।",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "यदी दुवै इनपुट एक अर्काका बराबर छन् भण्या टु रिटर्न गर ।",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "यदी दुवै इनपुट एक अर्काको बराबर नाइथिन् भणया टु रिटर्न गर ।",
 	"LOGIC_COMPARE_TOOLTIP_LT": "पैल्लो इनपुट दोसरा इनपुट है नानो भया ट्रू फिर्ता अर:।",
@@ -103,5 +91,7 @@
 	"LOGIC_BOOLEAN_TOOLTIP": "सत्य या असत्य फिर्ता अरन्छ।",
 	"LOGIC_NULL": "शू्य",
 	"LOGIC_NULL_TOOLTIP": "शून्य फिर्ता अरन्छ।",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "केयि भँण..."
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "केयि भँण...",
+	"DIALOG_OK": "हुन्छ",
+	"DIALOG_CANCEL": "खारेजी"
 }
diff --git a/msg/json/ee.json b/msg/json/ee.json
index c16f908f9ed..4e2a3e94027 100644
--- a/msg/json/ee.json
+++ b/msg/json/ee.json
@@ -81,19 +81,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Tsɔ kpee, ɖee le eme alo gbugbɔ akpawo ɖo nàtsɔ asi le ne ƒe ƒuƒoƒoa ŋu.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Tsɔ biabia aɖe kpe ne ƒuƒoƒo la.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Tsɔ lé wo katã ƒe ne ƒe ƒuƒoƒo kpe biabia mamlɛa.",
-	"IOS_OK": "YOO",
-	"IOS_CANCEL": "Natasii",
-	"IOS_ERROR": "Vodada",
-	"IOS_PROCEDURES_INPUTS": "NUDEMEWO",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Tsɔ nu kpe Nudemea",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Ɖe mɔ ɖe taɖodzinyawo ŋu",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Nudeme evee le wɔƒe sia si.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Tsɔ nugba kpee",
-	"IOS_VARIABLES_ADD_BUTTON": "Tsɔ kpee",
-	"IOS_VARIABLES_RENAME_BUTTON": "Gbugbɔ na ŋkɔe",
-	"IOS_VARIABLES_DELETE_BUTTON": "Tutui",
-	"IOS_VARIABLES_VARIABLE_NAME": "Nugba ŋkɔ",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Màte ŋu azã nugba si mena ŋkɔe o.",
 	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Masɔmasɔ_(akɔntabubu)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Ŋuɖoɖoa nenye nyateƒe ne nudeme eveawo sɔ kple wo nɔewo.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Ŋuɖoɖoa nenye nyateƒe ne nudeme eveawo mesɔ kple wo nɔewo o.",
@@ -133,12 +120,11 @@
 	"MATH_SINGLE_TOOLTIP_LN": "Xexlẽdzesia nedzi ɖe edzi eɖokui zigbzi e.",
 	"MATH_SINGLE_TOOLTIP_LOG10": "Nebu zigbɔzi neni 10-teƒe-10 awɔ xexlẽdzesia.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Nebu e-teƒe-e zigbɔzi xexlẽdzesia.",
-	"MATH_SINGLE_TOOLTIP_POW10": " Nebu ewo-teƒe-ewo zigbɔzi xexlẽdzesia.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
+	"MATH_SINGLE_TOOLTIP_POW10": "Nebu ewo-teƒe-ewo zigbɔzi xexlẽdzesia.",
 	"MATH_TRIG_TOOLTIP_SIN": "Nebu dzogɔe le digri me (menye radiã o).",
 	"MATH_IS_EVEN": "enye eve ƒomevi",
 	"MATH_IS_ODD": "enye etɔ̃ ƒomevi",
-	"MATH_IS_PRIME": " enye xexlẽme blibo",
+	"MATH_IS_PRIME": "enye xexlẽme blibo",
 	"MATH_IS_WHOLE": "enye blibo",
 	"MATH_IS_POSITIVE": "enye xexlẽme ŋgɔgbeyitɔ",
 	"MATH_IS_NEGATIVE": "enye xexlẽme megbeyitɔ",
@@ -168,5 +154,7 @@
 	"LISTS_SORT_ORDER_ASCENDING": "dzi yim",
 	"LISTS_SORT_ORDER_DESCENDING": "ɖiɖim",
 	"PROCEDURES_BEFORE_PARAMS": "kple:",
-	"PROCEDURES_CALL_BEFORE_PARAMS": "kple:"
+	"PROCEDURES_CALL_BEFORE_PARAMS": "kple:",
+	"DIALOG_OK": "Yoo",
+	"DIALOG_CANCEL": "Natasii"
 }
diff --git a/msg/json/el.json b/msg/json/el.json
index db4e122d4a7..fe23891966f 100644
--- a/msg/json/el.json
+++ b/msg/json/el.json
@@ -2,14 +2,19 @@
 	"@metadata": {
 		"authors": [
 			"Azountas",
+			"Ch.zarafidis",
+			"Dimitris131",
 			"Espertus",
 			"Evropi",
 			"GR",
 			"Gchr",
 			"Geraki",
+			"Giannaras99",
 			"Glavkos",
 			"KATRINE1992",
+			"McDutchie",
 			"Namatreasure",
+			"NikosLikomitros",
 			"Nikosgranturismogt",
 			"Norhorn",
 			"Sarri.greek",
@@ -25,132 +30,101 @@
 	"UNNAMED_KEY": "χωρίς όνομα",
 	"TODAY": "Σήμερα",
 	"DUPLICATE_BLOCK": "Διπλότυπο",
-	"ADD_COMMENT": "Πρόσθεσε Το Σχόλιο",
-	"REMOVE_COMMENT": "Αφαίρεσε Το Σχόλιο",
-	"DUPLICATE_COMMENT": "Διπλότυπο σχόλιο",
-	"EXTERNAL_INPUTS": "Εξωτερικές Είσοδοι",
-	"INLINE_INPUTS": "Εσωτερικές Είσοδοι",
-	"DELETE_BLOCK": "Διάγραψε Το Μπλοκ",
-	"DELETE_X_BLOCKS": "Διάγραψε %1 Μπλοκ",
-	"DELETE_ALL_BLOCKS": "Να διαγραφούν και τα %1 μπλοκ;",
-	"CLEAN_UP": "Ταξινομείστε τα Μπλοκ",
-	"COLLAPSE_BLOCK": "Σύμπτυξε Το Μπλοκ",
-	"COLLAPSE_ALL": "Σύμπτυξε Όλα Τα Μπλοκ",
-	"EXPAND_BLOCK": "Επέκτεινε Το Μπλοκ",
-	"EXPAND_ALL": "Επέκτεινε Όλα Τα Μπλοκ",
-	"DISABLE_BLOCK": "Απενεργοποίησε Το Μπλοκ",
-	"ENABLE_BLOCK": "Ενεργοποίησε Το Μπλοκ",
+	"ADD_COMMENT": "Προσθήκη σχολίου",
+	"REMOVE_COMMENT": "Αφαίρεση σχολίου",
+	"DUPLICATE_COMMENT": "Αντιγραφή σχόλιου",
+	"EXTERNAL_INPUTS": "Εξωτερικές είσοδοι",
+	"INLINE_INPUTS": "Ενσωματωμένες είσοδοι",
+	"DELETE_BLOCK": "Διαγραφή μπλοκ",
+	"DELETE_X_BLOCKS": "Διαγραφή %1 μπλοκ",
+	"DELETE_ALL_BLOCKS": "Να διαγραφούν όλα τα %1 μπλοκ;",
+	"CLEAN_UP": "Εκκαθάριση μπλοκ",
+	"COLLAPSE_BLOCK": "Σύμπτυξη μπλοκ",
+	"COLLAPSE_ALL": "Σύμπτυξη μπλοκ",
+	"EXPAND_BLOCK": "Ανάπτυξη μπλοκ",
+	"EXPAND_ALL": "Ανάπτυξη μπλοκ",
+	"DISABLE_BLOCK": "Απενεργοποίηση μπλοκ",
+	"ENABLE_BLOCK": "Ενεργοποίηση μπλοκ",
 	"HELP": "Βοήθεια",
 	"UNDO": "Αναίρεση",
 	"REDO": "Ακύρωση αναίρεσης",
 	"CHANGE_VALUE_TITLE": "Άλλαξε την τιμή:",
 	"RENAME_VARIABLE": "Μετονόμασε τη μεταβλητή...",
-	"RENAME_VARIABLE_TITLE": "Μετονόμασε όλες τις μεταβλητές «%1» σε:",
-	"NEW_VARIABLE": "Δημιουργήστε μεταβλητή",
-	"NEW_STRING_VARIABLE": "Δημιουργία μεταβλητή συμβολοσειράς...",
-	"NEW_NUMBER_VARIABLE": "Δημιουργία μεταβλητής αριθμού...",
-	"NEW_COLOUR_VARIABLE": "Δημιουργία μεταβλητής χρώματος...",
+	"RENAME_VARIABLE_TITLE": "Μετονόμασε όλες τις μεταβλητές '%1' σε:",
+	"NEW_VARIABLE": "Δημιουργήστε μεταβλητή...",
+	"NEW_STRING_VARIABLE": "Δημιούργησε μεταβλητή συμβολοσειράς...",
+	"NEW_NUMBER_VARIABLE": "Δημιούργησε μεταβλητή αριθμού...",
+	"NEW_COLOUR_VARIABLE": "Δημιούργησε μεταβλητή χρώματος...",
 	"NEW_VARIABLE_TYPE_TITLE": "Νέος τύπος μεταβλητής:",
 	"NEW_VARIABLE_TITLE": "Νέο όνομα μεταβλητής:",
-	"VARIABLE_ALREADY_EXISTS": "Η μεταβλητή με το όνομα \"%1\" υπάρχει ήδη",
-	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Μια μεταβλητή με όνομα '%1' υπάρχει πάντα για έναν άλλο τύπο: '%2'.",
-	"DELETE_VARIABLE_CONFIRMATION": "Θέλετε να διαγράψετε το %1 που χρησιμοποιείτε της μεταβλητής '%2'?",
-	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Δεν μπορώ να διαγράψω την μεταβλητή '%1' διότι είναι μέρος του ορισμού της λειτουργίας '%2'",
-	"DELETE_VARIABLE": "Διαγράψτε την μεταβλητή '%1'",
-	"COLOUR_PICKER_HELPURL": "https://el.wikipedia.org/wiki/%CE%A7%CF%81%CF%8E%CE%BC%CE%B1",
-	"COLOUR_PICKER_TOOLTIP": "Επιτρέπει επιλογή χρώματος από την παλέτα.",
+	"VARIABLE_ALREADY_EXISTS": "Η μεταβλητή με το όνομα '%1' υπάρχει ήδη.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Μια μεταβλητή με όνομα '%1' υπάρχει ήδη για έναν άλλο τύπο: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Μια μεταβλητή με το όνομα '%1' υπάρχει ήδη ως παράμετρος στη διαδικασία '%2'.",
+	"DELETE_VARIABLE_CONFIRMATION": "Θέλετε να διαγράψετε %1 χρήσεις της μεταβλητής '%2'?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Δεν μπορείς να διαγράψεις την μεταβλητή '%1' διότι είναι μέρος του ορισμού της συνάρτησης '%2'",
+	"DELETE_VARIABLE": "Διάγραψε την μεταβλητή '%1'",
+	"COLOUR_PICKER_TOOLTIP": "Επέλεξε ένα χρώμα από την παλέτα.",
 	"COLOUR_RANDOM_TITLE": "τυχαίο χρώμα",
-	"COLOUR_RANDOM_TOOLTIP": "Επιλέγει χρώμα τυχαία.",
-	"COLOUR_RGB_HELPURL": "https://www.december.com/html/spec/colorpercompact.html",
+	"COLOUR_RANDOM_TOOLTIP": "Επέλεξε ένα χρώμα τυχαία.",
 	"COLOUR_RGB_TITLE": "χρώμα με",
 	"COLOUR_RGB_RED": "κόκκινο",
 	"COLOUR_RGB_GREEN": "πράσινο",
 	"COLOUR_RGB_BLUE": "μπλε",
-	"COLOUR_RGB_TOOLTIP": "Δημιουργεί χρώμα με το συγκεκριμένο ποσό του κόκκινου, πράσινου και μπλε που ορίζεις. Όλες οι τιμές πρέπει να είναι μεταξύ 0 και 100.",
-	"COLOUR_BLEND_HELPURL": "https://meyerweb.com/eric/tools/color-blend/#:::rgbp",
+	"COLOUR_RGB_TOOLTIP": "Δημιούργησε ένα χρώμα με την καθορισμένη ποσότητα κόκκινου, πράσινου και μπλε. Όλες οι τιμές πρέπει να είναι μεταξύ 0 και 100.",
 	"COLOUR_BLEND_TITLE": "μείγμα",
 	"COLOUR_BLEND_COLOUR1": "χρώμα 1",
 	"COLOUR_BLEND_COLOUR2": "χρώμα 2",
 	"COLOUR_BLEND_RATIO": "αναλογία",
-	"COLOUR_BLEND_TOOLTIP": "Συνδυάζει δύο χρώματα μαζί με μια δεδομένη αναλογία (0.0 - 1,0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
+	"COLOUR_BLEND_TOOLTIP": "Συνδυάζει μαζί δύο χρώματα στην δοσμένη αναλογία (0.0 - 1.0).",
 	"CONTROLS_REPEAT_TITLE": "επανάλαβε %1 φορές",
 	"CONTROLS_REPEAT_INPUT_DO": "κάνε",
-	"CONTROLS_REPEAT_TOOLTIP": "Εκτελεί κάποιες εντολές αρκετές φορές.",
-	"CONTROLS_WHILEUNTIL_HELPURL": "https://github.com/google/blockly/wiki/Loops#repeat",
+	"CONTROLS_REPEAT_TOOLTIP": "Εκτέλεσε κάποιες εντολές αρκετές φορές.",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "επανάλαβε ενώ",
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "επανάλαβε μέχρι",
-	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Ενόσω μια τιμή είναι αληθής, τότε εκτελεί κάποιες εντολές.",
-	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Ενόσω μια τιμή είναι ψευδής, τότε εκτελεί κάποιες εντολές.",
-	"CONTROLS_FOR_HELPURL": "https://github.com/google/blockly/wiki/Loops#count-with",
-	"CONTROLS_FOR_TOOLTIP": "Η μεταβλητή «%1» παίρνει τιμές ξεκινώντας από τον αριθμό έναρξης μέχρι τον αριθμό τέλους αυξάνοντας κάθε φορά με το καθορισμένο βήμα και εκτελώντας το καθορισμένο μπλοκ.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Εφόσον μια τιμή είναι αληθής, τότε εκτελεί κάποιες εντολές.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Εφόσον μια τιμή είναι ψευδής, τότε εκτελεί κάποιες εντολές.",
+	"CONTROLS_FOR_TOOLTIP": "Βάλε τη μεταβλητή '%1' να πάρει τιμές από τον αριθμό έναρξης μέχρι τον αριθμό λήξης αυξάνοντας κάθε φορά με το καθορισμένο βήμα και εκτελώντας τα καθορισμένα μπλοκ.",
 	"CONTROLS_FOR_TITLE": "μέτρησε με %1 από το %2 έως το %3 ανά %4",
-	"CONTROLS_FOREACH_HELPURL": "https://github.com/google/blockly/wiki/Loops#for-each",
 	"CONTROLS_FOREACH_TITLE": "για κάθε στοιχείο %1 στη λίστα %2",
-	"CONTROLS_FOREACH_TOOLTIP": "Για κάθε στοιχείο σε μια λίστα, ορίζει τη μεταβλητή «%1» στο στοιχείο και, στη συνέχεια, εκτελεί κάποιες εντολές.",
-	"CONTROLS_FLOW_STATEMENTS_HELPURL": "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks",
-	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "φεύγει από το μπλοκ επαναλήψεως",
+	"CONTROLS_FOREACH_TOOLTIP": "Για κάθε στοιχείο σε μια λίστα, όρισε τη μεταβλητή '%1' στο στοιχείο και, στη συνέχεια, εκτέλεσε κάποιες εντολές.",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "φύγε από το μπλοκ επαναλήψεως",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "συνέχισε με την επόμενη επανάληψη του μπλοκ επαναλήψεως",
-	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Ξεφεύγει (βγαίνει έξω) από την επανάληψη.",
-	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "Παραλείπει το υπόλοιπο τμήμα αυτού του μπλοκ επαναλήψεως, και συνεχίζει με την επόμενη επανάληψη.",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Φύγε από την περιεχόμενη επανάληψη.",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "Παρέλειψε το υπόλοιπο αυτού του μπλοκ επαναλήψεως, και συνέχισε με την επόμενη επανάληψη.",
 	"CONTROLS_FLOW_STATEMENTS_WARNING": "Προειδοποίηση: Αυτό το μπλοκ μπορεί να χρησιμοποιηθεί μόνο μέσα σε μια επανάληψη.",
-	"CONTROLS_IF_HELPURL": "https://github.com/google/blockly/wiki/IfElse",
-	"CONTROLS_IF_TOOLTIP_1": "Αν μια τιμή είναι αληθής, τότε εκτελεί κάποιες εντολές.",
-	"CONTROLS_IF_TOOLTIP_2": "Αν μια τιμή είναι αληθής, τότε εκτελεί το πρώτο τμήμα εντολών. Διαφορετικά, εκτελεί το δεύτερο τμήμα εντολών.",
-	"CONTROLS_IF_TOOLTIP_3": "Αν η πρώτη τιμή είναι αληθής, τότε εκτελεί το πρώτο τμήμα εντολών. Διαφορετικά, αν η δεύτερη τιμή είναι αληθής, εκτελεί το δεύτερο μπλοκ εντολών.",
-	"CONTROLS_IF_TOOLTIP_4": "Αν η πρώτη τιμή είναι αληθής, τότε εκτελεί το πρώτο τμήμα εντολών.  Διαφορετικά, αν η δεύτερη τιμή είναι αληθής, εκτελεί το δεύτερο τμήμα εντολών. Αν καμία από τις τιμές δεν είναι αληθής, εκτελεί το τελευταίο τμήμα εντολών.",
+	"CONTROLS_IF_TOOLTIP_1": "Αν μια τιμή είναι αληθής, τότε εκτέλεσε κάποιες εντολές.",
+	"CONTROLS_IF_TOOLTIP_2": "Αν μια τιμή είναι αληθής, τότε εκτέλεσε το πρώτο μπλοκ εντολών. Διαφορετικά, εκτέλεσε το δεύτερο μπλοκ εντολών.",
+	"CONTROLS_IF_TOOLTIP_3": "Αν η πρώτη τιμή είναι αληθής, τότε εκτέλεσε το πρώτο τμήμα εντολών. Διαφορετικά, αν η δεύτερη τιμή είναι αληθής, εκτέλεσε το δεύτερο μπλοκ εντολών.",
+	"CONTROLS_IF_TOOLTIP_4": "Αν η πρώτη τιμή είναι αληθής, τότε εκτέλεσε το πρώτο μπλοκ εντολών. Διαφορετικά, αν η δεύτερη τιμή είναι αληθής, εκτέλεσε το δεύτερο μπλοκ εντολών. Αν καμία από τις τιμές δεν είναι αληθής, εκτέλεσε το τελευταίο τμήμα εντολών.",
 	"CONTROLS_IF_MSG_IF": "εάν",
 	"CONTROLS_IF_MSG_ELSEIF": "εναλλακτικά εάν",
-	"CONTROLS_IF_MSG_ELSE": "αλλιώς",
+	"CONTROLS_IF_MSG_ELSE": "εναλλακτικά",
 	"CONTROLS_IF_IF_TOOLTIP": "Προσθέτει, αφαιρεί ή αναδιατάσσει τα τμήματα για να αναδιαμορφώσει αυτό το μπλοκ «εάν».",
-	"CONTROLS_IF_ELSEIF_TOOLTIP": "Πρόσθετει μια κατάσταση/συνθήκη στο μπλοκ «εάν».",
-	"CONTROLS_IF_ELSE_TOOLTIP": "Προσθέτει μια τελική κατάσταση/συνθήκη, που πιάνει όλες τις άλλες περιπτώσεις, στο μπλοκ «εάν».",
-	"IOS_OK": "ΟΚ",
-	"IOS_CANCEL": "Ακυρώστε",
-	"IOS_ERROR": "Σφάλμα",
-	"IOS_PROCEDURES_INPUTS": "ΕΙΣΑΓΟΜΕΝΑ ΣΤΟΙΧΕΙΑ",
-	"IOS_PROCEDURES_ADD_INPUT": "Εισάγετε στοιχείο",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Να επιτρέπονται οι δηλώσεις",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Αυτή η παράμετρος απαιτεί διπλή εισαγωγή στοιχείων",
-	"IOS_VARIABLES_ADD_VARIABLE": "Προσθέσατε Μεταβλητή",
-	"IOS_VARIABLES_ADD_BUTTON": "Προσθήκη",
-	"IOS_VARIABLES_RENAME_BUTTON": "Αλλάξετε το όνομα του αρχείου",
-	"IOS_VARIABLES_DELETE_BUTTON": "Διαγραφή",
-	"IOS_VARIABLES_VARIABLE_NAME": "Όνομα μεταβλητής",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Δεν μπορείτε να χρησιμοποιήσετε μια μεταβλητή δίχως όνομα",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
+	"CONTROLS_IF_ELSEIF_TOOLTIP": "Πρόσθεσε μια συνθήκη στο μπλοκ «εάν».",
+	"CONTROLS_IF_ELSE_TOOLTIP": "Πρόσθεσε μια τελική συνθήκη, που πιάνει όλες τις άλλες περιπτώσεις, στο μπλοκ «εάν».",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Επιστρέφει αληθής αν και οι δύο είσοδοι είναι ίσες μεταξύ τους.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Επιστρέφει αληθής αν και οι δύο είσοδοι δεν είναι ίσες μεταξύ τους.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Επιστρέφει αληθής αν η πρώτη είσοδος είναι μικρότερη από τη δεύτερη είσοδο.",
 	"LOGIC_COMPARE_TOOLTIP_LTE": "Επιστρέφει αληθής αν η πρώτη είσοδος είναι μικρότερη από ή ίση με τη δεύτερη είσοδο.",
 	"LOGIC_COMPARE_TOOLTIP_GT": "Επιστρέφει αληθής αν η πρώτη είσοδος είναι μεγαλύτερη από τη δεύτερη είσοδο.",
 	"LOGIC_COMPARE_TOOLTIP_GTE": "Επιστρέφει αληθής αν η πρώτη είσοδος είναι μικρότερη ή ίση με τη δεύτερη είσοδο.",
-	"LOGIC_OPERATION_HELPURL": "https://github.com/google/blockly/wiki/Logic#logical-operations",
 	"LOGIC_OPERATION_TOOLTIP_AND": "Επιστρέφει αληθής αν και οι δύο είσοδοι είναι αληθής.",
 	"LOGIC_OPERATION_AND": "και",
 	"LOGIC_OPERATION_TOOLTIP_OR": "Επιστρέφει αληθής αν τουλάχιστον μια από τις εισόδους είναι αληθής.",
 	"LOGIC_OPERATION_OR": "ή",
-	"LOGIC_NEGATE_HELPURL": "https://github.com/google/blockly/wiki/Logic#not",
 	"LOGIC_NEGATE_TITLE": "όχι %1",
 	"LOGIC_NEGATE_TOOLTIP": "Επιστρέφει αληθής αν η είσοδος είναι ψευδής. Επιστρέφει ψευδής αν η είσοδος είναι αληθής.",
-	"LOGIC_BOOLEAN_HELPURL": "https://github.com/google/blockly/wiki/Logic#values",
 	"LOGIC_BOOLEAN_TRUE": "αληθής",
 	"LOGIC_BOOLEAN_FALSE": "ψευδής",
 	"LOGIC_BOOLEAN_TOOLTIP": "Επιστρέφει είτε αληθής είτε ψευδής.",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "κενό",
 	"LOGIC_NULL_TOOLTIP": "Επιστρέφει κενό.",
-	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "έλεγχος",
 	"LOGIC_TERNARY_IF_TRUE": "εάν είναι αληθής",
 	"LOGIC_TERNARY_IF_FALSE": "εάν είναι ψευδής",
-	"LOGIC_TERNARY_TOOLTIP": "Ελέγχει την κατάσταση/συνθήκη στον «έλεγχο». Αν η κατάσταση/συνθήκη είναι αληθής, επιστρέφει την τιμή «εάν αληθής», διαφορετικά επιστρέφει την τιμή «εάν ψευδής».",
+	"LOGIC_TERNARY_TOOLTIP": "Ελέγχει την συνθήκη στον «έλεγχο». Αν η συνθήκη είναι αληθής, επιστρέφει την τιμή 'εάν αληθής', διαφορετικά επιστρέφει την τιμή 'εάν ψευδής'.",
 	"MATH_NUMBER_HELPURL": "https://el.wikipedia.org/wiki/%CE%91%CF%81%CE%B9%CE%B8%CE%BC%CF%8C%CF%82",
 	"MATH_NUMBER_TOOLTIP": "Ένας αριθμός.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
 	"MATH_POWER_SYMBOL": "^ ύψωση σε δύναμη",
 	"MATH_TRIG_SIN": "ημ",
 	"MATH_TRIG_COS": "συν",
@@ -169,19 +143,18 @@
 	"MATH_SINGLE_TOOLTIP_ROOT": "Επιστρέφει την τετραγωνική ρίζα ενός αριθμού.",
 	"MATH_SINGLE_OP_ABSOLUTE": "απόλυτη",
 	"MATH_SINGLE_TOOLTIP_ABS": "Επιστρέφει την απόλυτη τιμή ενός αριθμού.",
-	"MATH_SINGLE_TOOLTIP_NEG": "Επιστρέφει την αρνητική ενός αριθμού.",
-	"MATH_SINGLE_TOOLTIP_LN": "Επιστρέφει τον νεπέρειο λογάριθμο ενός αριθμού.",
+	"MATH_SINGLE_TOOLTIP_NEG": "Επιστρέφει την αρνητική τιμή ενός αριθμού.",
+	"MATH_SINGLE_TOOLTIP_LN": "Επιστρέφει τον φυσικό λογάριθμο ενός αριθμού.",
 	"MATH_SINGLE_TOOLTIP_LOG10": "Επιστρέφει τον λογάριθμο με βάση το 10 ενός αριθμού.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Επιστρέφει το e υψωμένο στη δύναμη ενός αριθμού.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Επιστρέφει το 10 υψωμένο στη δύναμη ενός αριθμού.",
 	"MATH_TRIG_HELPURL": "https://el.wikipedia.org/wiki/%CE%A4%CF%81%CE%B9%CE%B3%CF%89%CE%BD%CE%BF%CE%BC%CE%B5%CF%84%CF%81%CE%B9%CE%BA%CE%AE_%CF%83%CF%85%CE%BD%CE%AC%CF%81%CF%84%CE%B7%CF%83%CE%B7",
-	"MATH_TRIG_TOOLTIP_SIN": "Επιστρέφει το ημίτονο ενός βαθμού (όχι ακτινίου).",
-	"MATH_TRIG_TOOLTIP_COS": "Επιστρέφει το συνημίτονο ενός βαθμού (όχι ακτινίου).",
-	"MATH_TRIG_TOOLTIP_TAN": "Επιστρέφει την εφαπτομένη ενός βαθμού (όχι ακτινίου).",
+	"MATH_TRIG_TOOLTIP_SIN": "Επιστρέφει το ημίτονο μία γωνίας σε μοίρες (όχι ακτίνια).",
+	"MATH_TRIG_TOOLTIP_COS": "Επιστρέφει το συνημίτονο μίας γωνίας σε μοίρες (όχι ακτίνια).",
+	"MATH_TRIG_TOOLTIP_TAN": "Επιστρέφει την εφαπτομένη μία γωνίας σε μοίρες (όχι ακτίνια).",
 	"MATH_TRIG_TOOLTIP_ASIN": "Επιστρέφει το τόξο ημίτονου ενός αριθμού.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Επιστρέφει το τόξο συνημίτονου ενός αριθμού.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Επιστρέφει το τόξο εφαπτομένης ενός αριθμού.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Επιστρέφει μία από τις κοινές σταθερές: π (3.141...), e (2.718...), φ (1.618...), sqrt(2) (1.414...), sqrt(½) (0.707...), ή ∞ (άπειρο).",
 	"MATH_IS_EVEN": "είναι άρτιος",
 	"MATH_IS_ODD": "είναι περιττός",
@@ -192,10 +165,9 @@
 	"MATH_IS_DIVISIBLE_BY": "είναι διαιρετός από το",
 	"MATH_IS_TOOLTIP": "Ελέγχει αν ένας αριθμός είναι άρτιος, περιττός, πρώτος, ακέραιος, θετικός, αρνητικός, ή αν είναι διαιρετός από έναν ορισμένο αριθμό. Επιστρέφει αληθής ή ψευδής.",
 	"MATH_CHANGE_HELPURL": "https://el.wikipedia.org/wiki/%CE%A0%CF%81%CF%8C%CF%83%CE%B8%CE%B5%CF%83%CE%B7",
-	"MATH_CHANGE_TITLE": "άλλαξε %1 από %2",
-	"MATH_CHANGE_TOOLTIP": "Προσθέτει έναν αριθμό στη μεταβλητή «%1».",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
-	"MATH_ROUND_TOOLTIP": "Στρογγυλοποιεί έναν αριθμό προς τα πάνω ή προς τα κάτω.",
+	"MATH_CHANGE_TITLE": "άλλαξε %1 αυξάνοντας κατά %2",
+	"MATH_CHANGE_TOOLTIP": "Πρόσθεσε έναν αριθμό στη μεταβλητή '%1'.",
+	"MATH_ROUND_TOOLTIP": "Στρογγυλοποίησε έναν αριθμό προς τα πάνω ή προς τα κάτω.",
 	"MATH_ROUND_OPERATOR_ROUND": "στρογγυλοποίησε",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "στρογγυλοποίησε προς τα πάνω",
 	"MATH_ROUND_OPERATOR_ROUNDDOWN": "στρογγυλοποίησε προς τα κάτω",
@@ -208,51 +180,41 @@
 	"MATH_ONLIST_OPERATOR_AVERAGE": "μέσος όρος λίστας",
 	"MATH_ONLIST_TOOLTIP_AVERAGE": "Επιστρέφει τον αριθμητικό μέσο όρο από τις αριθμητικές τιμές στη λίστα.",
 	"MATH_ONLIST_OPERATOR_MEDIAN": "διάμεσος λίστας",
-	"MATH_ONLIST_TOOLTIP_MEDIAN": "Επιστρέφει τον διάμεσο της λίστας.",
-	"MATH_ONLIST_OPERATOR_MODE": "μορφές λίστας",
-	"MATH_ONLIST_TOOLTIP_MODE": "Επιστρέφει μια λίστα με τα πιο κοινά στοιχεία στη λίστα.",
+	"MATH_ONLIST_TOOLTIP_MEDIAN": "Επιστρέφει τον διάμεσο αριθμό της λίστας.",
+	"MATH_ONLIST_OPERATOR_MODE": "επικρατούσες τιμές λίστας",
+	"MATH_ONLIST_TOOLTIP_MODE": "Επιστρέφει μια λίστα με τα πιο συνηθισμένα στοιχεία της λίστας, δηλαδή τις επικρατούσες τιμές.",
 	"MATH_ONLIST_OPERATOR_STD_DEV": "τυπική απόκλιση λίστας",
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Επιστρέφει την τυπική απόκλιση της λίστας.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "τυχαίο στοιχείο λίστας",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Επιστρέφει ένα τυχαίο στοιχείο από τη λίστα.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "υπόλοιπο της %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Επιστρέφει το υπόλοιπο της διαίρεσης των δύο αριθμών.",
-	"MATH_CONSTRAIN_HELPURL": "https://en.wikipedia.org/wiki/Clamping_(graphics)",
 	"MATH_CONSTRAIN_TITLE": "περιόρισε %1 χαμηλή %2 υψηλή %3",
-	"MATH_CONSTRAIN_TOOLTIP": "Περιορίζει έναν αριθμό μεταξύ των προβλεπόμενων ορίων (χωρίς αποκλεισμούς).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
+	"MATH_CONSTRAIN_TOOLTIP": "Περιορίζει έναν αριθμό μεταξύ των προβλεπόμενων ορίων (συμπεριλαμβανομένων και των ακραίων τιμών).",
 	"MATH_RANDOM_INT_TITLE": "τυχαίος ακέραιος από το %1 έως το %2",
-	"MATH_RANDOM_INT_TOOLTIP": "Επιστρέφει έναν τυχαίο ακέραιο αριθμό μεταξύ δύο συγκεκριμένων ορίων (εντός - συμπεριλαμβανομένων και των ακραίων τιμών).",
+	"MATH_RANDOM_INT_TOOLTIP": "Επέστρεψε έναν τυχαίο ακέραιο αριθμό μεταξύ δύο συγκεκριμένων ορίων (συμπεριλαμβανομένων και των ακραίων τιμών).",
 	"MATH_RANDOM_FLOAT_HELPURL": "https://el.wikipedia.org/wiki/%CE%93%CE%B5%CE%BD%CE%BD%CE%AE%CF%84%CF%81%CE%B9%CE%B1_%CE%A4%CF%85%CF%87%CE%B1%CE%AF%CF%89%CE%BD_%CE%91%CF%81%CE%B9%CE%B8%CE%BC%CF%8E%CE%BD",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "τυχαίο κλάσμα",
-	"MATH_RANDOM_FLOAT_TOOLTIP": "Επιστρέψει ένα τυχαία κλάσμα μεταξύ 0,0 (κλειστό) και 1,0 (ανοικτό).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
-	"MATH_ATAN2_TITLE": "atan2 από X:%1 Y:%2",
-	"MATH_ATAN2_TOOLTIP": "Επιστρέφει την διαφορά τόξου των σημείων (X, Y) σε μοίρες από -180 σε 180.",
+	"MATH_RANDOM_FLOAT_TOOLTIP": "Επιστρέψει ένα τυχαία κλάσμα μεταξύ 0.0 (συμπεριλαμβανομένου) και 1.0 (χωρίς).",
+	"MATH_ATAN2_TITLE": "atan2 του X:%1 Y:%2",
+	"MATH_ATAN2_TOOLTIP": "Επιστρέφει το τόξο εφαπτομένης του σημείου (X, Y) σε μοίρες από -180 σε 180.",
 	"TEXT_TEXT_HELPURL": "https://el.wikipedia.org/wiki/%CE%A3%CF%85%CE%BC%CE%B2%CE%BF%CE%BB%CE%BF%CF%83%CE%B5%CE%B9%CF%81%CE%AC",
 	"TEXT_TEXT_TOOLTIP": "Ένα γράμμα, μια λέξη ή μια γραμμή κειμένου.",
-	"TEXT_JOIN_HELPURL": "https://github.com/google/blockly/wiki/Text#text-creation",
 	"TEXT_JOIN_TITLE_CREATEWITH": "δημιούργησε κείμενο με",
-	"TEXT_JOIN_TOOLTIP": "Δημιουργεί ένα κομμάτι κειμένου ενώνοντας έναν  απεριόριστο αριθμό αντικειμένων.",
+	"TEXT_JOIN_TOOLTIP": "Δημιούργησε ένα κομμάτι κειμένου ενώνοντας έναν απεριόριστο αριθμό αντικειμένων.",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "ένωσε",
-	"TEXT_CREATE_JOIN_TOOLTIP": "Προσθέτει, αφαιρεί ή αναδιατάσσει τους τομείς για να αναδιαμορφώσει αυτό το μπλοκ κειμένου.",
-	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "Προσθέτει ένα στοιχείο στο κείμενο.",
-	"TEXT_APPEND_HELPURL": "https://github.com/google/blockly/wiki/Text#text-modification",
-	"TEXT_APPEND_TITLE": "έως %1 ανάθεσε κείμενο %2",
-	"TEXT_APPEND_TOOLTIP": "Αναθέτει κείμενο στη μεταβλητή «%1».",
-	"TEXT_LENGTH_HELPURL": "https://github.com/google/blockly/wiki/Text#text-modification",
-	"TEXT_LENGTH_TITLE": "το μήκος του %1",
-	"TEXT_LENGTH_TOOLTIP": "Επιστρέφει το πλήθος των γραμμάτων (συμπεριλαμβανομένων και των κενών διαστημάτων) στο παρεχόμενο κείμενο.",
-	"TEXT_ISEMPTY_HELPURL": "https://github.com/google/blockly/wiki/Text#checking-for-empty-text",
+	"TEXT_CREATE_JOIN_TOOLTIP": "Πρόσθεσε, αφαίρεσε ή αναδιάταξε τα τμήματα  για να αναδιαμορφώσεις αυτό το μπλοκ κειμένου.",
+	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "Πρόσθεσε ένα στοιχείο στο κείμενο.",
+	"TEXT_APPEND_TITLE": "στο %1 πρόσθεσε το κείμενο %2",
+	"TEXT_APPEND_TOOLTIP": "Πρόσθεσε κάποιο κείμενο στη μεταβλητή '%1'.",
+	"TEXT_LENGTH_TITLE": "μήκος του %1",
+	"TEXT_LENGTH_TOOLTIP": "Επιστρέφει το πλήθος των γραμμάτων (συμπεριλαμβανομένων και των κενών διαστημάτων) στο δοσμένο κείμενο.",
 	"TEXT_ISEMPTY_TITLE": "το %1 είναι κενό",
-	"TEXT_ISEMPTY_TOOLTIP": "Επιστρέφει αληθής αν το παρεχόμενο κείμενο είναι κενό.",
-	"TEXT_INDEXOF_HELPURL": "https://github.com/google/blockly/wiki/Text#finding-text",
-	"TEXT_INDEXOF_TOOLTIP": "Επιστρέφει τον δείκτη της πρώτης/τελευταίας εμφάνισης του πρώτου κειμένου στο δεύτερο κείμενο.  Επιστρέφει τιμή %1, αν δε βρει το κείμενο.",
+	"TEXT_ISEMPTY_TOOLTIP": "Επιστρέφει αληθής αν το δοσμένο κείμενο είναι κενό.",
+	"TEXT_INDEXOF_TOOLTIP": "Επιστρέφει τον δείκτη της πρώτης/τελευταίας εμφάνισης του πρώτου κειμένου στο δεύτερο κείμενο.  Επιστρέφει %1, αν δε βρει το κείμενο.",
 	"TEXT_INDEXOF_TITLE": "στο κείμενο %1 %2 %3",
 	"TEXT_INDEXOF_OPERATOR_FIRST": "βρες την πρώτη εμφάνιση του κειμένου",
 	"TEXT_INDEXOF_OPERATOR_LAST": "βρες την τελευταία εμφάνιση του κειμένου",
-	"TEXT_CHARAT_HELPURL": "https://github.com/google/blockly/wiki/Text#extracting-text",
 	"TEXT_CHARAT_TITLE": "στο κείμενο %1 %2",
 	"TEXT_CHARAT_FROM_START": "πάρε το γράμμα #",
 	"TEXT_CHARAT_FROM_END": "πάρε το γράμμα # από το τέλος",
@@ -261,58 +223,50 @@
 	"TEXT_CHARAT_RANDOM": "πάρε τυχαίο γράμμα",
 	"TEXT_CHARAT_TOOLTIP": "Επιστρέφει το γράμμα στην καθορισμένη θέση.",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "Επιστρέφει ένα συγκεκριμένο τμήμα του κειμένου.",
-	"TEXT_GET_SUBSTRING_HELPURL": "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "στο κείμενο",
-	"TEXT_GET_SUBSTRING_START_FROM_START": "πάρε τη δευτερεύουσα συμβολοσειρά από το # γράμμα",
-	"TEXT_GET_SUBSTRING_START_FROM_END": "πάρε τη δευτερεύουσα συμβολοσειρά από το # γράμμα από το τέλος",
-	"TEXT_GET_SUBSTRING_START_FIRST": "πάρε τη δευτερεύουσα συμβολοσειρά από το πρώτο γράμμα",
+	"TEXT_GET_SUBSTRING_START_FROM_START": "πάρε τη υποσυμβολοσειρά από το γράμμα #",
+	"TEXT_GET_SUBSTRING_START_FROM_END": "πάρε την υποσυμβολοσειρά από το # γράμμα από το τέλος",
+	"TEXT_GET_SUBSTRING_START_FIRST": "πάρε την υποσυμβολοσειρά από το πρώτο γράμμα",
 	"TEXT_GET_SUBSTRING_END_FROM_START": "μέχρι το # γράμμα",
 	"TEXT_GET_SUBSTRING_END_FROM_END": "μέχρι το # γράμμα από το τέλος",
 	"TEXT_GET_SUBSTRING_END_LAST": "μέχρι το τελευταίο γράμμα",
-	"TEXT_CHANGECASE_HELPURL": "https://github.com/google/blockly/wiki/Text#adjusting-text-case",
-	"TEXT_CHANGECASE_TOOLTIP": "Επιστρέφει ένα αντίγραφο του κειμένου σε διαφορετική μορφή γραμμάτων.",
+	"TEXT_CHANGECASE_TOOLTIP": "Επιστρέφει ένα αντίγραφο του κειμένου σε διαφορετική μορφή γραμμάτων (πεζά/κεφαλαία).",
 	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "σε ΚΕΦΑΛΑΙΑ",
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "σε πεζά",
 	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "σε Λέξεις Με Πρώτα Κεφαλαία",
-	"TEXT_TRIM_HELPURL": "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces",
 	"TEXT_TRIM_TOOLTIP": "Επιστρέφει ένα αντίγραφο του κειμένου με αφαιρεμένα τα κενά από το ένα ή και τα δύο άκρα.",
-	"TEXT_TRIM_OPERATOR_BOTH": "περίκοψε τα κενά και από τις δυο πλευρές του",
-	"TEXT_TRIM_OPERATOR_LEFT": "περίκοψε τα κενά από την αριστερή πλευρά του",
-	"TEXT_TRIM_OPERATOR_RIGHT": "περίκοψε τα κενά από την δεξιά πλευρά του",
-	"TEXT_PRINT_HELPURL": "https://github.com/google/blockly/wiki/Text#printing-text",
+	"TEXT_TRIM_OPERATOR_BOTH": "Αφαίρεσε τα κενά και από τις δυο πλευρές του",
+	"TEXT_TRIM_OPERATOR_LEFT": "Αφαίρεσε τα κενά από την αριστερή πλευρά του",
+	"TEXT_TRIM_OPERATOR_RIGHT": "Αφαίρεσε τα κενά από την δεξιά πλευρά του",
 	"TEXT_PRINT_TITLE": "εκτύπωσε %1",
 	"TEXT_PRINT_TOOLTIP": "Εκτυπώνει το καθορισμένο κείμενο, αριθμό ή άλλη τιμή.",
-	"TEXT_PROMPT_TYPE_TEXT": "πρότρεψε με μήνυμα για να δοθεί κείμενο",
-	"TEXT_PROMPT_TYPE_NUMBER": "πρότρεψε με μήνυμα για να δοθεί αριθμός",
-	"TEXT_PROMPT_TOOLTIP_NUMBER": "Δημιουργεί προτροπή για τον χρήστη για να δώσει ένα αριθμό.",
+	"TEXT_PROMPT_TYPE_TEXT": "προτροπή για κείμενο με μήνυμα",
+	"TEXT_PROMPT_TYPE_NUMBER": "προτροπή για αριθμό με μήνυμα",
+	"TEXT_PROMPT_TOOLTIP_NUMBER": "Δημιουργεί προτροπή για τον χρήστη για να δώσει έναν αριθμό.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Δημιουργεί προτροπή για το χρήστη για να δώσει κάποιο κείμενο.",
-	"TEXT_COUNT_MESSAGE0": "αριθμός %1 σε %2",
-	"TEXT_COUNT_TOOLTIP": "Μετρά πόσες φορές κάποιο κείμενο εμφανίζεται μέσα σε ένα άλλο κείμενο.",
-	"TEXT_REPLACE_MESSAGE0": "αντικαταστήσετε το %1 με %2 σε %3",
-	"TEXT_REPLACE_TOOLTIP": "Αντικαταστήστε όλα τα ήδη υπάρχοντα στοιχεία μέρους του κειμένου με κάποιο άλλο κείμενο",
-	"TEXT_REVERSE_MESSAGE0": "ανάκληση %1",
-	"TEXT_REVERSE_TOOLTIP": "Αναγραμματισμός των χαρακτήρων του κειμένου",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
+	"TEXT_COUNT_MESSAGE0": "πλήθος %1 στο %2",
+	"TEXT_COUNT_TOOLTIP": "Μέτρα πόσες φορές κάποιο κείμενο εμφανίζεται μέσα σε ένα άλλο κείμενο.",
+	"TEXT_REPLACE_MESSAGE0": "αντικατάσταση του %1 με %2 στο %3",
+	"TEXT_REPLACE_TOOLTIP": "Αντικατάσταση όλων των εμφανίσεων ενός κειμένου μέσα σε κάποιο άλλο κείμενο",
+	"TEXT_REVERSE_MESSAGE0": "αντιστροφή %1",
+	"TEXT_REVERSE_TOOLTIP": "Αντιστρέφει τη σειρά των χαρακτήρων του κειμένου.",
 	"LISTS_CREATE_EMPTY_TITLE": "δημιούργησε κενή λίστα",
-	"LISTS_CREATE_EMPTY_TOOLTIP": "Επιστρέφει μια λίστα, με μήκος 0, η οποία δεν περιέχει εγγραφές δεδομένων",
+	"LISTS_CREATE_EMPTY_TOOLTIP": "Επιστρέφει μια λίστα, με μήκος 0, η οποία δεν έχει στοιχεία",
 	"LISTS_CREATE_WITH_TOOLTIP": "Δημιουργεί λίστα με οποιονδήποτε αριθμό αντικειμένων.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "δημιούργησε λίστα με",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "λίστα",
-	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "Προσθέτει, αφαιρεί ή αναδιατάσσει τα τμήματα για να αναδιαμορφώσει αυτό το μπλοκ λίστας.",
-	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "Προσθέτει αντικείμενο στη λίστα.",
-	"LISTS_REPEAT_HELPURL": "Blockly",
-	"LISTS_REPEAT_TOOLTIP": "Δημιουργεί μια λίστα που αποτελείται από την δεδομένη τιμή που επαναλαμβάνεται για συγκεκριμένο αριθμό επαναλήψεων.",
+	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "Πρόσθεσε, αφαίρεσε ή αναδιάταξε τμήματα για να αναδιαμορφώσει αυτό το μπλοκ λίστας.",
+	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "Πρόσθεσε ένα αντικείμενο στη λίστα.",
+	"LISTS_REPEAT_TOOLTIP": "Δημιουργεί μια λίστα που αποτελείται από την δοσμένη τιμή που επαναλαμβάνεται για έναν δοσμένο αριθμό φορών.",
 	"LISTS_REPEAT_TITLE": "δημιούργησε λίστα με το στοιχείο %1 να επαναλαμβάνεται %2 φορές",
-	"LISTS_LENGTH_HELPURL": "Blockly",
 	"LISTS_LENGTH_TITLE": "το μήκος του %1",
-	"LISTS_LENGTH_TOOLTIP": "Επιστρέφει το μήκος μιας λίστας.",
+	"LISTS_LENGTH_TOOLTIP": "Επιστρέφει το μήκος μίας λίστας.",
 	"LISTS_ISEMPTY_TITLE": "το %1 είναι κενό",
 	"LISTS_ISEMPTY_TOOLTIP": "Επιστρέφει αληθής αν η λίστα είναι κενή.",
 	"LISTS_INLIST": "στη λίστα",
-	"LISTS_INDEX_OF_HELPURL": "Blockly",
 	"LISTS_INDEX_OF_FIRST": "βρες την πρώτη εμφάνιση του στοιχείου",
 	"LISTS_INDEX_OF_LAST": "βρες την τελευταία εμφάνιση του στοιχείου",
-	"LISTS_INDEX_OF_TOOLTIP": "Επιστρέφει τον δείκτη της πρώτης/τελευταίας εμφάνισης του στοιχείου στη λίστα.  Επιστρέφει τιμή %1, αν το στοιχείο δεν βρεθεί.",
+	"LISTS_INDEX_OF_TOOLTIP": "Επιστρέφει τον δείκτη της πρώτης/τελευταίας εμφάνισης του στοιχείου στη λίστα.  Επιστρέφει %1, αν το στοιχείο δεν βρεθεί.",
 	"LISTS_GET_INDEX_GET": "πάρε",
 	"LISTS_GET_INDEX_GET_REMOVE": "πάρε και αφαίρεσε",
 	"LISTS_GET_INDEX_REMOVE": "αφαίρεσε",
@@ -323,30 +277,29 @@
 	"LISTS_GET_INDEX_RANDOM": "τυχαίο",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "Το %1 είναι το πρώτο στοιχείο.",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "Το %1 είναι το τελευταίο στοιχείο.",
-	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "Επιστρέφει το στοιχείο στην καθορισμένη θέση σε μια λίστα.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "Επιστρέφει το στοιχείο στην δοσμένη θέση σε μια λίστα.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_FIRST": "Επιστρέφει το πρώτο στοιχείο σε μια λίστα.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_LAST": "Επιστρέφει το τελευταίο στοιχείο σε μια λίστα.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_RANDOM": "Επιστρέφει ένα τυχαίο στοιχείο σε μια λίστα.",
-	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM": "Καταργεί και επιστρέφει το στοιχείο στην καθορισμένη θέση σε μια λίστα.",
-	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST": "Καταργεί και επιστρέφει το πρώτο στοιχείο σε μια λίστα.",
-	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST": "Καταργεί και επιστρέφει το τελευταίο στοιχείο σε μια λίστα.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM": "Αφαιρεί και επιστρέφει το στοιχείο στην καθορισμένη θέση σε μια λίστα.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST": "Αφαιρεί και επιστρέφει το πρώτο στοιχείο σε μια λίστα.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST": "Αφαιρεί και επιστρέφει το τελευταίο στοιχείο σε μια λίστα.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM": "Καταργεί και επιστρέφει ένα τυχαίο στοιχείο σε μια λίστα.",
-	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM": "Καταργεί το στοιχείο στην καθορισμένη θέση σε μια λίστα.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM": "Αφαιρεί το στοιχείο στην καθορισμένη θέση σε μια λίστα.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST": "Καταργεί το πρώτο στοιχείο σε μια λίστα.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST": "Καταργεί το τελευταίο στοιχείο σε μια λίστα.",
-	"LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM": "Καταργεί ένα τυχαίο στοιχείο σε μια λίστα.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM": "Αφαιρεί ένα τυχαίο στοιχείο σε μια λίστα.",
 	"LISTS_SET_INDEX_SET": "όρισε",
 	"LISTS_SET_INDEX_INSERT": "είσαγε στο",
-	"LISTS_SET_INDEX_INPUT_TO": "σε",
-	"LISTS_SET_INDEX_TOOLTIP_SET_FROM": "Ορίζει το στοιχείο στην καθορισμένη θέση σε μια λίστα.",
+	"LISTS_SET_INDEX_INPUT_TO": "ως",
+	"LISTS_SET_INDEX_TOOLTIP_SET_FROM": "Ορίζει το στοιχείο στην δοσμένη θέση σε μια λίστα.",
 	"LISTS_SET_INDEX_TOOLTIP_SET_FIRST": "Ορίζει το πρώτο στοιχείο σε μια λίστα.",
 	"LISTS_SET_INDEX_TOOLTIP_SET_LAST": "Ορίζει το τελευταίο στοιχείο σε μια λίστα.",
 	"LISTS_SET_INDEX_TOOLTIP_SET_RANDOM": "Ορίζει ένα τυχαίο στοιχείο σε μια λίστα.",
-	"LISTS_SET_INDEX_TOOLTIP_INSERT_FROM": "Εισάγει το στοιχείο στην καθορισμένη θέση σε μια λίστα.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_FROM": "Εισάγει το στοιχείο στην δοσμένη θέση σε μια λίστα.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "Εισάγει το στοιχείο στην αρχή μιας λίστας.",
-	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Αναθέτει το στοιχείο στο τέλος μιας λίστας.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Πρόσθεσε το στοιχείο στο τέλος μιας λίστας.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "Εισάγει το στοιχείο τυχαία σε μια λίστα.",
-	"LISTS_GET_SUBLIST_HELPURL": "Blockly",
 	"LISTS_GET_SUBLIST_START_FROM_START": "πάρε υπολίστα από #",
 	"LISTS_GET_SUBLIST_START_FROM_END": "πάρε υπολίστα από # από το τέλος",
 	"LISTS_GET_SUBLIST_START_FIRST": "πάρε υπολίστα από την αρχή",
@@ -354,51 +307,50 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "έως # από το τέλος",
 	"LISTS_GET_SUBLIST_END_LAST": "έως το τελευταίο",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Δημιουργεί ένα αντίγραφο του καθορισμένου τμήματος μιας λίστας.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
-	"LISTS_SORT_TITLE": "επιλογή %1 %2 %3",
-	"LISTS_SORT_TOOLTIP": "Επιλέξετε ένα αντίγραφο της λίστας.",
-	"LISTS_SORT_ORDER_ASCENDING": "Αύξουσα",
-	"LISTS_SORT_ORDER_DESCENDING": "Φθίνουσα",
-	"LISTS_SORT_TYPE_NUMERIC": "αριθμητικό",
+	"LISTS_SORT_TITLE": "ταξινόμησε %1 %2 %3",
+	"LISTS_SORT_TOOLTIP": "Ταξινομήστε ένα αντίγραφο μιας λίστας.",
+	"LISTS_SORT_ORDER_ASCENDING": "αύξουσα",
+	"LISTS_SORT_ORDER_DESCENDING": "φθίνουσα",
+	"LISTS_SORT_TYPE_NUMERIC": "αριθμητικά",
 	"LISTS_SORT_TYPE_TEXT": "Αλφαβητικά",
-	"LISTS_SORT_TYPE_IGNORECASE": "αλφαβητικά, αγνοήστε το στοιχείο",
+	"LISTS_SORT_TYPE_IGNORECASE": "αλφαβητικά, αγνοώντας πεζά/κεφαλαία γράμματα",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "κάνετε λίστα από το κείμενο",
-	"LISTS_SPLIT_TEXT_FROM_LIST": "κάνετε κείμενο από τη λίστα",
+	"LISTS_SPLIT_TEXT_FROM_LIST": "δημιούργησε κείμενο από τη λίστα",
 	"LISTS_SPLIT_WITH_DELIMITER": "με διαχωριστικό",
-	"LISTS_SPLIT_TOOLTIP_SPLIT": "Διαίρεση του κειμένου σε μια λίστα κειμένων, με σπάσιμο σε κάθε διαχωριστικό.",
+	"LISTS_SPLIT_TOOLTIP_SPLIT": "Διαχώρισε το κείμενο σε μια λίστα κειμένων, σπάζοντας το σε κάθε διαχωριστικό.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Ενώστε μια λίστα κειμένων σε ένα κείμενο, που χωρίζονται από ένα διαχωριστικό.",
-	"LISTS_REVERSE_MESSAGE0": "ανάκληση %1",
-	"LISTS_REVERSE_TOOLTIP": "Α",
+	"LISTS_REVERSE_MESSAGE0": "αντιστροφή %1",
+	"LISTS_REVERSE_TOOLTIP": "Αντιστρέφει ένα αντίγραφο της λίστας.",
 	"VARIABLES_GET_TOOLTIP": "Επιστρέφει την τιμή αυτής της μεταβλητής.",
-	"VARIABLES_GET_CREATE_SET": "Δημιούργησε «όρισε %1»",
-	"VARIABLES_SET": "όρισε %1 μέχρι το %2",
+	"VARIABLES_GET_CREATE_SET": "Δημιούργησε 'όρισε %1'",
+	"VARIABLES_SET": "όρισε το %1 σε %2",
 	"VARIABLES_SET_TOOLTIP": "Ορίζει αυτή τη μεταβλητή να είναι ίση με την είσοδο.",
-	"VARIABLES_SET_CREATE_GET": "Δημιούργησε «πάρε %1»",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
-	"PROCEDURES_DEFNORETURN_TITLE": "στο",
+	"VARIABLES_SET_CREATE_GET": "Δημιούργησε 'πάρε %1'",
+	"PROCEDURES_DEFNORETURN_TITLE": "σε",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "κάνε κάτι",
 	"PROCEDURES_BEFORE_PARAMS": "με:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "με:",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Δημιουργεί μια συνάρτηση χωρίς έξοδο.",
-	"PROCEDURES_DEFNORETURN_COMMENT": "Περιγράψετε αυτήν την ιδιότητα..",
-	"PROCEDURES_DEFRETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
+	"PROCEDURES_DEFNORETURN_COMMENT": "Περίγραψε αυτή την συνάρτηση..",
 	"PROCEDURES_DEFRETURN_RETURN": "επέστρεψε",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Δημιουργεί μια συνάρτηση με μια έξοδο.",
-	"PROCEDURES_ALLOW_STATEMENTS": "να επιτρέπονται οι δηλώσεις",
+	"PROCEDURES_ALLOW_STATEMENTS": "επέτρεψε δηλώσεις",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Προειδοποίηση: Αυτή η συνάρτηση έχει διπλότυπες παραμέτρους.",
 	"PROCEDURES_CALLNORETURN_HELPURL": "https://el.wikipedia.org/wiki/%CE%94%CE%B9%CE%B1%CE%B4%CE%B9%CE%BA%CE%B1%CF%83%CE%AF%CE%B1_%28%CF%85%CF%80%CE%BF%CE%BB%CE%BF%CE%B3%CE%B9%CF%83%CF%84%CE%AD%CF%82%29",
-	"PROCEDURES_CALLNORETURN_TOOLTIP": "Εκτελεί την ορισμένη από τον χρήστη συνάρτηση «%1».",
+	"PROCEDURES_CALLNORETURN_TOOLTIP": "Εκτέλεσε την ορισμένη από τον χρήστη συνάρτηση '%1'.",
 	"PROCEDURES_CALLRETURN_HELPURL": "https://el.wikipedia.org/wiki/%CE%94%CE%B9%CE%B1%CE%B4%CE%B9%CE%BA%CE%B1%CF%83%CE%AF%CE%B1_%28%CF%85%CF%80%CE%BF%CE%BB%CE%BF%CE%B3%CE%B9%CF%83%CF%84%CE%AD%CF%82%29",
-	"PROCEDURES_CALLRETURN_TOOLTIP": "Εκτελεί την ορισμένη από τον χρήστη συνάρτηση «%1» και χρησιμοποίησε την έξοδό της.",
+	"PROCEDURES_CALLRETURN_TOOLTIP": "Εκτέλεσε την ορισμένη από τον χρήστη συνάρτηση '%1' και χρησιμοποίησε την έξοδό της.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "είσοδοι",
-	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Προσθέτει, αφαιρεί ή αναδιατάσσει εισόδους σε αυτήν τη λειτουργία",
+	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Πρόσθεσε, αφαίρεσε ή αναδιάταξε τις εισόδους σε αυτήν τη συνάρτηση.",
 	"PROCEDURES_MUTATORARG_TITLE": "όνομα εισόδου:",
-	"PROCEDURES_MUTATORARG_TOOLTIP": "Πρόσθεσε μια είσοδος στη συνάρτηση",
+	"PROCEDURES_MUTATORARG_TOOLTIP": "Πρόσθεσε μια είσοδο στη συνάρτηση",
 	"PROCEDURES_HIGHLIGHT_DEF": "Επισημάνετε τον ορισμό συνάρτησης",
-	"PROCEDURES_CREATE_DO": "Δημιούργησε «%1»",
+	"PROCEDURES_CREATE_DO": "Δημιούργησε '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Αν μια τιμή είναι αληθής, τότε επιστρέφει τη δεύτερη τιμή.",
 	"PROCEDURES_IFRETURN_WARNING": "Προειδοποίηση: Αυτό το μπλοκ μπορεί να χρησιμοποιηθεί μόνο στον ορισμό μιας συνάρτησης.",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Πείτε κάτι...",
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Πες κάτι...",
 	"WORKSPACE_ARIA_LABEL": "Χώρος εργασίας Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "Υπάρχουν προειδοποιήσεις για συμπτυγμένα μπλοκ."
+	"COLLAPSED_WARNINGS_WARNING": "Υπάρχουν προειδοποιήσεις στα συμπτυγμένα μπλοκ.",
+	"DIALOG_OK": "Εντάξει",
+	"DIALOG_CANCEL": "Ακύρωση"
 }
diff --git a/msg/json/en-gb.json b/msg/json/en-gb.json
index cd8c59fe414..6bd8eccf9fe 100644
--- a/msg/json/en-gb.json
+++ b/msg/json/en-gb.json
@@ -52,7 +52,6 @@
 	"COLOUR_BLEND_COLOUR2": "colour 2",
 	"COLOUR_BLEND_RATIO": "ratio",
 	"COLOUR_BLEND_TOOLTIP": "Blends two colours together with a given ratio (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "repeat %1 times",
 	"CONTROLS_REPEAT_INPUT_DO": "do",
 	"CONTROLS_REPEAT_TOOLTIP": "Do some statements several times.",
@@ -79,20 +78,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Add, remove, or reorder sections to reconfigure this if block.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Add a condition to the if block.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Add a final, catch-all condition to the if block.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Cancel",
-	"IOS_ERROR": "Error",
-	"IOS_PROCEDURES_INPUTS": "INPUTS",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Add Input",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Allow statements",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "This function has duplicate inputs.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Add Variable",
-	"IOS_VARIABLES_ADD_BUTTON": "Add",
-	"IOS_VARIABLES_RENAME_BUTTON": "Rename",
-	"IOS_VARIABLES_DELETE_BUTTON": "Delete",
-	"IOS_VARIABLES_VARIABLE_NAME": "Variable name",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "You can't use an empty variable name.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Return true if both inputs equal each other.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Return true if both inputs are not equal to each other.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Return true if the first input is smaller than the second input.",
@@ -114,15 +99,12 @@
 	"LOGIC_TERNARY_IF_TRUE": "if true",
 	"LOGIC_TERNARY_IF_FALSE": "if false",
 	"LOGIC_TERNARY_TOOLTIP": "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "A number.",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Return the sum of the two numbers.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Return the difference of the two numbers.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Return the product of the two numbers.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Return the quotient of the two numbers.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Return the first number raised to the power of the second number.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "square root",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Return the square root of a number.",
 	"MATH_SINGLE_OP_ABSOLUTE": "absolute",
@@ -132,14 +114,12 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Return the base 10 logarithm of a number.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Return e to the power of a number.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Return 10 to the power of a number.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "Return the sine of a degree (not radian).",
 	"MATH_TRIG_TOOLTIP_COS": "Return the cosine of a degree (not radian).",
 	"MATH_TRIG_TOOLTIP_TAN": "Return the tangent of a degree (not radian).",
 	"MATH_TRIG_TOOLTIP_ASIN": "Return the arcsine of a number.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Return the arccosine of a number.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Return the arctangent of a number.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).",
 	"MATH_IS_EVEN": "is even",
 	"MATH_IS_ODD": "is odd",
@@ -149,10 +129,8 @@
 	"MATH_IS_NEGATIVE": "is negative",
 	"MATH_IS_DIVISIBLE_BY": "is divisible by",
 	"MATH_IS_TOOLTIP": "Check if a number is an even, odd, prime, whole, positive, negative, or if it is divisible by certain number. Returns true or false.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "change %1 by %2",
 	"MATH_CHANGE_TOOLTIP": "Add a number to variable '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Round a number up or down.",
 	"MATH_ROUND_OPERATOR_ROUND": "round",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "round up",
@@ -173,18 +151,14 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Return the standard deviation of the list.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "random item of list",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Return a random element from the list.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "remainder of %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Return the remainder from dividing the two numbers.",
 	"MATH_CONSTRAIN_TITLE": "constrain %1 low %2 high %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Constrain a number to be between the specified limits (inclusive).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "random integer from %1 to %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Return a random integer between the two specified limits, inclusive.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "random fraction",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Return a random fraction between 0.0 (inclusive) and 1.0 (exclusive).",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "A letter, word, or line of text.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "create text with",
 	"TEXT_JOIN_TOOLTIP": "Create a piece of text by joining together any number of items.",
diff --git a/msg/json/en.json b/msg/json/en.json
index a4adcaa0588..50800bc27e8 100644
--- a/msg/json/en.json
+++ b/msg/json/en.json
@@ -1,7 +1,7 @@
 {
 	"@metadata": {
 		"author": "Ellen Spertus <ellen.spertus@gmail.com>",
-		"lastupdated": "2020-09-24 04:06:08.758361",
+		"lastupdated": "2024-04-16 23:19:53.668551",
 		"locale": "en",
 		"messagedocumentation" : "qqq"
 	},
@@ -38,6 +38,7 @@
 	"NEW_VARIABLE_TITLE": "New variable name:",
 	"VARIABLE_ALREADY_EXISTS": "A variable named '%1' already exists.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "A variable named '%1' already exists for another type: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "A variable named '%1' already exists as a parameter in the procedure '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "Delete %1 uses of the '%2' variable?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Can't delete the variable '%1' because it's part of the definition of the function '%2'",
 	"DELETE_VARIABLE": "Delete the '%1' variable",
@@ -90,19 +91,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Add, remove, or reorder sections to reconfigure this if block.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Add a condition to the if block.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Add a final, catch-all condition to the if block.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Cancel",
-	"IOS_ERROR": "Error",
-	"IOS_PROCEDURES_INPUTS": "INPUTS",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Add Input",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Allow statements",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "This function has duplicate inputs.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Add Variable",
-	"IOS_VARIABLES_ADD_BUTTON": "Add",
-	"IOS_VARIABLES_RENAME_BUTTON": "Rename",
-	"IOS_VARIABLES_DELETE_BUTTON": "Delete",
-	"IOS_VARIABLES_VARIABLE_NAME": "Variable name",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "You can't use an empty variable name.",
 	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Return true if both inputs equal each other.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Return true if both inputs are not equal to each other.",
@@ -303,10 +291,11 @@
 	"LISTS_ISEMPTY_TITLE": "%1 is empty",
 	"LISTS_ISEMPTY_TOOLTIP": "Returns true if the list is empty.",
 	"LISTS_INLIST": "in list",
-	"LISTS_INDEX_OF_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list",
+	"LISTS_INDEX_OF_HELPURL": "https://github.com/google/blockly/wiki/Lists#finding-items-in-a-list",
 	"LISTS_INDEX_OF_FIRST": "find first occurrence of item",
 	"LISTS_INDEX_OF_LAST": "find last occurrence of item",
 	"LISTS_INDEX_OF_TOOLTIP": "Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.",
+	"LISTS_GET_INDEX_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list",
 	"LISTS_GET_INDEX_GET": "get",
 	"LISTS_GET_INDEX_GET_REMOVE": "get and remove",
 	"LISTS_GET_INDEX_REMOVE": "remove",
@@ -381,6 +370,7 @@
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "do something",
 	"PROCEDURES_BEFORE_PARAMS": "with:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "with:",
+	"PROCEDURES_CALL_DISABLED_DEF_WARNING": "Can't run the user-defined function '%1' because the definition block is disabled.",
 	"PROCEDURES_DEFNORETURN_DO": "",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Creates a function with no output.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Describe this function...",
@@ -400,9 +390,11 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Highlight function definition",
 	"PROCEDURES_CREATE_DO": "Create '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "If a value is true, then return a second value.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
+	"PROCEDURES_IFRETURN_HELPURL": "https://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Warning: This block may be used only within a function definition.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Say something...",
 	"WORKSPACE_ARIA_LABEL": "Blockly Workspace",
-	"COLLAPSED_WARNINGS_WARNING": "Collapsed blocks contain warnings."
+	"COLLAPSED_WARNINGS_WARNING": "Collapsed blocks contain warnings.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Cancel"
 }
diff --git a/msg/json/eo.json b/msg/json/eo.json
index dab0ddcfe01..d7b76c0eaef 100644
--- a/msg/json/eo.json
+++ b/msg/json/eo.json
@@ -87,19 +87,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Aldoni, forigi aŭ reorganizi partojn por reagordi la 'se'-blokon.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Aldoni kondiĉon al la bloko 'se'",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Aldoni 'aliokaze' kondiĉon al la 'se' bloko.",
-	"IOS_OK": "Bone",
-	"IOS_CANCEL": "Nuligi",
-	"IOS_ERROR": "Eraro",
-	"IOS_PROCEDURES_INPUTS": "ENIROJ",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Aldoni eniron",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Permesi ordonojn",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Ĉi tiu funkcio havas du samnomajn enirojn.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Aldoni Variablon",
-	"IOS_VARIABLES_ADD_BUTTON": "Aldoni",
-	"IOS_VARIABLES_RENAME_BUTTON": "Alinomigi",
-	"IOS_VARIABLES_DELETE_BUTTON": "Forigi",
-	"IOS_VARIABLES_VARIABLE_NAME": "Nomo de variablo",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "La nomo de la variablo devas esti ne malplena.",
 	"LOGIC_COMPARE_HELPURL": "https://eo.wikipedia.org/wiki/Neegala%C4%B5o_(pli_granda,_malpli_granda)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Liveri veron, se la du eniroj egalas.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Liveri veron, se la du eniroj ne egalas.",
@@ -160,7 +147,6 @@
 	"MATH_CHANGE_HELPURL": "https://eo.wikipedia.org/wiki/Kremento",
 	"MATH_CHANGE_TITLE": "krementi %1 per %2",
 	"MATH_CHANGE_TOOLTIP": "Aldoni nombron al variablo '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Rondigi nombroj, supren aŭ malsupren.",
 	"MATH_ROUND_OPERATOR_ROUND": "rondigi",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "Rondigi supren",
@@ -186,7 +172,6 @@
 	"MATH_MODULO_TOOLTIP": "Liveri la reston de la divido de la du nombroj.",
 	"MATH_CONSTRAIN_TITLE": "limigi %1 inter %2 kaj %3",
 	"MATH_CONSTRAIN_TOOLTIP": "La nombro estos limigita tiel ke ĝi egalas la limojn aŭ troviĝas inter ili.",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "hazarda entjero inter %1 kaj %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Nombro estos hazarde liverita, tiel ke ĝi egalas la limojn aŭ troviĝas inter ili.",
 	"MATH_RANDOM_FLOAT_HELPURL": "https://eo.wikipedia.org/wiki/Hazardo",
@@ -303,7 +288,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "ĝis elemento de inversa numero",
 	"LISTS_GET_SUBLIST_END_LAST": "ĝis la lasta elemento",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Kreas kopion de la specifita parto de listo.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "ordigi %1 %2 liston %3",
 	"LISTS_SORT_TOOLTIP": "Ordigas kopion de listo.",
 	"LISTS_SORT_ORDER_ASCENDING": "kreskante",
@@ -346,5 +330,8 @@
 	"PROCEDURES_IFRETURN_TOOLTIP": "Se valoro estas vero, do liveras duan valoron.",
 	"PROCEDURES_IFRETURN_WARNING": "Averto: Ĉi tiu bloko estas uzebla nur en difino de funkcio.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Diru ion…",
-	"COLLAPSED_WARNINGS_WARNING": "Falditaj blokoj enhavas avertojn."
+	"WORKSPACE_ARIA_LABEL": "Laborspaco de Blockly",
+	"COLLAPSED_WARNINGS_WARNING": "Falditaj blokoj enhavas avertojn.",
+	"DIALOG_OK": "Bone",
+	"DIALOG_CANCEL": "Nuligi"
 }
diff --git a/msg/json/es.json b/msg/json/es.json
index ca3e1d68029..66118d46dad 100644
--- a/msg/json/es.json
+++ b/msg/json/es.json
@@ -1,7 +1,10 @@
 {
 	"@metadata": {
 		"authors": [
+			"Ajeje Brazorf",
+			"Atzerritik",
 			"Codynguyen1116",
+			"Eulalio",
 			"Fitoschido",
 			"Harvest",
 			"Indiralena",
@@ -13,12 +16,13 @@
 			"Martineduardo",
 			"Rubentl134",
 			"Ryo567",
+			"SpikeShroom",
 			"VegaDark",
 			"WeSiToS"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "elemento",
-	"UNNAMED_KEY": "Sin nombre",
+	"UNNAMED_KEY": "sin nombre",
 	"TODAY": "Hoy",
 	"DUPLICATE_BLOCK": "Duplicar",
 	"ADD_COMMENT": "Añadir comentario",
@@ -40,19 +44,20 @@
 	"UNDO": "Deshacer",
 	"REDO": "Rehacer",
 	"CHANGE_VALUE_TITLE": "Cambiar el valor:",
-	"RENAME_VARIABLE": "Cambiar nombre de variable…",
-	"RENAME_VARIABLE_TITLE": "Renombrar todas las variables «%1» a:",
-	"NEW_VARIABLE": "Crear variable…",
-	"NEW_STRING_VARIABLE": "Crear una cadena variable...",
+	"RENAME_VARIABLE": "Renombrar variable...",
+	"RENAME_VARIABLE_TITLE": "Renombrar todas las variables '%1' a:",
+	"NEW_VARIABLE": "Crear variable...",
+	"NEW_STRING_VARIABLE": "Crear una variable de cadena...",
 	"NEW_NUMBER_VARIABLE": "Crear una variable de número...",
 	"NEW_COLOUR_VARIABLE": "Crear una variable de color...",
 	"NEW_VARIABLE_TYPE_TITLE": "Nuevo tipo de variable:",
 	"NEW_VARIABLE_TITLE": "Nombre de variable nueva:",
-	"VARIABLE_ALREADY_EXISTS": "Ya existe una variable llamada '%1'.",
+	"VARIABLE_ALREADY_EXISTS": "Ya existe una variable nombrada '%1'.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Ya existe una variable nombrada '%1' para otra variable del tipo: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Ya existe una variable denominada '%1' como parámetro en el procedimiento '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "¿Borrar %1 usos de la variable '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "No se puede eliminar la variable '%1' porque es parte de la definición de la función '%2'",
-	"DELETE_VARIABLE": "Borrar la variable \"%1\"",
+	"DELETE_VARIABLE": "Borrar la variable '%1'",
 	"COLOUR_PICKER_HELPURL": "https://es.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "Elige un color de la paleta.",
 	"COLOUR_RANDOM_TITLE": "color aleatorio",
@@ -66,8 +71,8 @@
 	"COLOUR_BLEND_COLOUR1": "color 1",
 	"COLOUR_BLEND_COLOUR2": "color 2",
 	"COLOUR_BLEND_RATIO": "proporción",
-	"COLOUR_BLEND_TOOLTIP": "Combina dos colores con una proporción determinada (0,0-1,0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
+	"COLOUR_BLEND_TOOLTIP": "Combina dos colores con una proporción determinada (0,0 - 1,0).",
+	"CONTROLS_REPEAT_HELPURL": "https://es.wikipedia.org/wiki/Bucle_for",
 	"CONTROLS_REPEAT_TITLE": "repetir %1 veces",
 	"CONTROLS_REPEAT_INPUT_DO": "hacer",
 	"CONTROLS_REPEAT_TOOLTIP": "Hacer algunas declaraciones varias veces.",
@@ -95,19 +100,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Agregar, eliminar o reordenar las secciones para reconfigurar este bloque.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Agregar una condición a este bloque.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Agregar una condición general final a este bloque.",
-	"IOS_OK": "Aceptar",
-	"IOS_CANCEL": "Cancelar",
-	"IOS_ERROR": "Error",
-	"IOS_PROCEDURES_INPUTS": "ENTRADAS",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Añadir entrada",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Permitir declaraciones",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Esta función tiene entradas duplicadas.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Añadir variable",
-	"IOS_VARIABLES_ADD_BUTTON": "Añadir",
-	"IOS_VARIABLES_RENAME_BUTTON": "Renombrar",
-	"IOS_VARIABLES_DELETE_BUTTON": "Borrar",
-	"IOS_VARIABLES_VARIABLE_NAME": "Nombre de la variable",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "No puedes usar un nombre de variable vacío.",
 	"LOGIC_COMPARE_HELPURL": "https://es.wikipedia.org/wiki/Desigualdad_matemática",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Devuelve verdadero si ambas entradas son iguales.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Devuelve verdadero si ambas entradas son distintas.",
@@ -132,6 +124,12 @@
 	"LOGIC_TERNARY_TOOLTIP": "Comprueba la condición en \"prueba\". Si la condición es verdadera, devuelve el valor \"si es verdadero\"; de lo contrario, devuelve el valor \"si es falso\".",
 	"MATH_NUMBER_HELPURL": "https://es.wikipedia.org/wiki/Número",
 	"MATH_NUMBER_TOOLTIP": "Un número.",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
 	"MATH_ARITHMETIC_HELPURL": "https://es.wikipedia.org/wiki/Aritmética",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Devuelve la suma de ambos números.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Devuelve la diferencia de ambos números.",
@@ -165,7 +163,6 @@
 	"MATH_IS_NEGATIVE": "es negativo",
 	"MATH_IS_DIVISIBLE_BY": "es divisible por",
 	"MATH_IS_TOOLTIP": "Comprueba si un número es par, impar, primo, entero, positivo, negativo, o si es divisible por un número determinado. Devuelve verdadero o falso.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "añadir %2 a %1",
 	"MATH_CHANGE_TOOLTIP": "Añadir un número a la variable «%1».",
 	"MATH_ROUND_HELPURL": "https://es.wikipedia.org/wiki/Redondeo",
@@ -189,7 +186,6 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Devuelve la desviación estándar de la lista.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "elemento aleatorio de la lista",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Devuelve un elemento aleatorio de la lista.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "resto de %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Devuelve el resto al dividir los dos números.",
 	"MATH_CONSTRAIN_TITLE": "limitar %1 entre %2 y %3",
@@ -250,17 +246,13 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Solicitar al usuario un número.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Solicitar al usuario un texto.",
 	"TEXT_COUNT_MESSAGE0": "contar %1 en %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Cuantas veces aparece un texto dentro de otro texto.",
 	"TEXT_REPLACE_MESSAGE0": "reemplazar %1 con %2 en %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "Reemplazar todas las veces que un texto dentro de otro texto.",
 	"TEXT_REVERSE_MESSAGE0": "invertir %1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "Invierte el orden de los caracteres en el texto.",
 	"LISTS_CREATE_EMPTY_TITLE": "crear lista vacía",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Devuelve una lista, de longitud 0, sin ningún dato",
-	"LISTS_CREATE_WITH_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_CREATE_WITH_TOOLTIP": "Crear una lista con cualquier número de elementos.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "crear lista con",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "lista",
@@ -276,9 +268,11 @@
 	"LISTS_INDEX_OF_FIRST": "encontrar la primera aparición del elemento",
 	"LISTS_INDEX_OF_LAST": "encontrar la última aparición del elemento",
 	"LISTS_INDEX_OF_TOOLTIP": "Devuelve el índice de la primera/última aparición del elemento en la lista. Devuelve %1 si el elemento no se encuentra.",
+	"LISTS_GET_INDEX_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list",
 	"LISTS_GET_INDEX_GET": "obtener",
 	"LISTS_GET_INDEX_GET_REMOVE": "obtener y eliminar",
 	"LISTS_GET_INDEX_REMOVE": "eliminar",
+	"LISTS_GET_INDEX_FROM_START": "#",
 	"LISTS_GET_INDEX_FROM_END": "# del final",
 	"LISTS_GET_INDEX_FIRST": "primero",
 	"LISTS_GET_INDEX_LAST": "último",
@@ -315,7 +309,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "hasta # del final",
 	"LISTS_GET_SUBLIST_END_LAST": "hasta el último",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Crea una copia de la parte especificada de una lista.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "orden %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Ordenar una copia de una lista.",
 	"LISTS_SORT_ORDER_ASCENDING": "ascendente",
@@ -323,13 +316,11 @@
 	"LISTS_SORT_TYPE_NUMERIC": "numérico",
 	"LISTS_SORT_TYPE_TEXT": "alfabético",
 	"LISTS_SORT_TYPE_IGNORECASE": "alfabético, ignorar mayúscula/minúscula",
-	"LISTS_SPLIT_HELPURL": "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "hacer lista a partir de texto",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "hacer texto a partir de lista",
 	"LISTS_SPLIT_WITH_DELIMITER": "con delimitador",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Dividir el texto en una lista de textos, separando en cada delimitador.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Unir una lista de textos en un solo texto, separado por un delimitador.",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "invertir %1",
 	"LISTS_REVERSE_TOOLTIP": "Invertir una copia de una lista.",
 	"VARIABLES_GET_TOOLTIP": "Devuelve el valor de esta variable.",
@@ -361,5 +352,7 @@
 	"PROCEDURES_IFRETURN_WARNING": "Advertencia: Este bloque solo puede ser utilizado dentro de la definición de una función.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Di algo…",
 	"WORKSPACE_ARIA_LABEL": "Espacio de trabajo de Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "Bloques colapsados contienen advertencias."
+	"COLLAPSED_WARNINGS_WARNING": "Bloques colapsados contienen advertencias.",
+	"DIALOG_OK": "Aceptar",
+	"DIALOG_CANCEL": "Cancelar"
 }
diff --git a/msg/json/et.json b/msg/json/et.json
index 60f548d1a48..91af281c567 100644
--- a/msg/json/et.json
+++ b/msg/json/et.json
@@ -44,7 +44,6 @@
 	"DELETE_VARIABLE_CONFIRMATION": "Kas kustutada %1 kohas kasutatav muutuja '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Muutujat '%1' ei saa kustutada, sest see on osa funktsiooni '%2' määratlusest",
 	"DELETE_VARIABLE": "Kustuta muutuja '%1'",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "Valitud värv paletist.",
 	"COLOUR_RANDOM_TITLE": "juhuslik värv",
 	"COLOUR_RANDOM_TOOLTIP": "Juhuslikult valitud värv.",
@@ -58,7 +57,6 @@
 	"COLOUR_BLEND_COLOUR2": "2. värvist",
 	"COLOUR_BLEND_RATIO": "suhtega",
 	"COLOUR_BLEND_TOOLTIP": "Segab kaks värvi määratud suhtega (0.0 - 1.0) kokku.",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "%1 korda",
 	"CONTROLS_REPEAT_INPUT_DO": "käivita",
 	"CONTROLS_REPEAT_TOOLTIP": "Plokis olevate käskude käivitamine määratud arv kordi.",
@@ -85,19 +83,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Selle „kui“ ploki muutmine sektsioonide lisamise, eemaldamise ja järjestamisega.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Lisab „kui“ plokile tingimuse.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Lisab „kui“ plokile lõpliku tingimuseta koodiploki.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Tühista",
-	"IOS_ERROR": "Viga",
-	"IOS_PROCEDURES_INPUTS": "SISEND",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Lisa sisend",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Sellel funktsioonil on dubleerivad sisendid.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Lisa muutuja",
-	"IOS_VARIABLES_ADD_BUTTON": "Lisa",
-	"IOS_VARIABLES_RENAME_BUTTON": "Nimeta ümber",
-	"IOS_VARIABLES_DELETE_BUTTON": "Kustuta",
-	"IOS_VARIABLES_VARIABLE_NAME": "Muutuja nimi",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Tühja muutuja nime ei saa kasutada.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Tagastab „tõene“, kui avaldiste väärtused on võrdsed.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Tagastab „tõene“, kui avaldiste väärtused pole võrdsed.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Tagastab „tõene“, kui esimese avaldise väärtus on väiksem kui teise väärtus.",
@@ -144,7 +129,6 @@
 	"MATH_TRIG_TOOLTIP_ASIN": "Tagastab arvu arkussiinuse.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Tagastab arvu arkuskoosiinuse.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Tagastab arvu arkustangensi.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Tagastab ühe konstantidest: π (3,141…), e (2,718…), φ (1.618…), √2) (1,414…), √½ (0,707…), või ∞ (infinity).",
 	"MATH_IS_EVEN": "on paarisarv",
 	"MATH_IS_ODD": "on paaritu arv",
@@ -154,10 +138,8 @@
 	"MATH_IS_NEGATIVE": "on negatiivne arv",
 	"MATH_IS_DIVISIBLE_BY": "jagub arvuga",
 	"MATH_IS_TOOLTIP": "Kontrollib kas arv on paarisarv, paaritu arv, algarv, täisarv, positiivne, negatiivne või jagub kindla arvuga. Tagastab „tõene“ või „väär“.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "muuda %1 %2 võrra",
 	"MATH_CHANGE_TOOLTIP": "Lisab arvu muutujale '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Ümardab arvu üles või alla.",
 	"MATH_ROUND_OPERATOR_ROUND": "ümarda",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "ümarda üles",
@@ -178,21 +160,16 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Tagastab loendi standardhälbe.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "juhuslik element loendist",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Tagastab juhusliku elemendi loendist.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "%1 ÷ %2 jääk",
 	"MATH_MODULO_TOOLTIP": "Tagastab esimese numbri teisega jagamisel tekkiva jäägi.",
 	"MATH_CONSTRAIN_TITLE": "%1 piirang %2 ja %3 vahele",
 	"MATH_CONSTRAIN_TOOLTIP": "Piirab arvu väärtuse toodud piiridesse (piirarvud kaasa arvatud).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "juhuslik täisarv %1 ja %2 vahel",
 	"MATH_RANDOM_INT_TOOLTIP": "Tagastab juhusliku täisarvu toodud piiride vahel (piirarvud kaasa arvatud).",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "juhuslik murdosa",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Tagastab juhusliku murdosa 0.0 (kaasa arvatud) and 1.0 (välja arvatud) vahel.",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2(X:%1, Y:%2)",
 	"MATH_ATAN2_TOOLTIP": "Tagastab punkti (X, Y) arkustangentsit kraadides vahemikus -180 kuni 180.",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Täht, sõna või rida teksti.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "tekita tekst",
 	"TEXT_JOIN_TOOLTIP": "Tekitab teksti ühendades mistahes arvu elemente.",
@@ -301,7 +278,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "elemendini # (lõpust)",
 	"LISTS_GET_SUBLIST_END_LAST": "lõpuni",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Tekitab loendi määratud osast koopia.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "%1 %2 sorteeritud %3",
 	"LISTS_SORT_TOOLTIP": "Loendi koopia sorteerimine.",
 	"LISTS_SORT_ORDER_ASCENDING": "kasvavalt",
@@ -344,5 +320,7 @@
 	"PROCEDURES_IFRETURN_WARNING": "Hoiatus: Seda plokki saab kasutada ainult funktsiooni definitsioonis.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Ütle midagi...",
 	"WORKSPACE_ARIA_LABEL": "Blockly tööruum",
-	"COLLAPSED_WARNINGS_WARNING": "Kokkuvajunud plokid sisaldavad hoiatusi."
+	"COLLAPSED_WARNINGS_WARNING": "Kokkuvajunud plokid sisaldavad hoiatusi.",
+	"DIALOG_OK": "Sobib",
+	"DIALOG_CANCEL": "Loobu"
 }
diff --git a/msg/json/eu.json b/msg/json/eu.json
index 03170a3aa0f..36d8651b6d2 100644
--- a/msg/json/eu.json
+++ b/msg/json/eu.json
@@ -84,19 +84,6 @@
 	"CONTROLS_IF_MSG_ELSEIF": "bestela baldin eta",
 	"CONTROLS_IF_MSG_ELSE": "bestela",
 	"CONTROLS_IF_IF_TOOLTIP": "Gehitu, ezabatu, ala berrantolatu aukeraketak \"ba\" bloke hau berrezartzeko.",
-	"IOS_OK": "Ados",
-	"IOS_CANCEL": "Utzi",
-	"IOS_ERROR": "Errorea",
-	"IOS_PROCEDURES_INPUTS": "SARRERAK",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Gehitu sarrera",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Adierazpenak baimendu",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Funtzio honek errepikatutako sarrerak ditu.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Gehitu aldagaia",
-	"IOS_VARIABLES_ADD_BUTTON": "Gehitu",
-	"IOS_VARIABLES_RENAME_BUTTON": "Izena aldatu",
-	"IOS_VARIABLES_DELETE_BUTTON": "Ezabatu",
-	"IOS_VARIABLES_VARIABLE_NAME": "Aldagaiaren izena",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Ezin duzu aldagaiaren izen huts bat erabili.",
 	"LOGIC_COMPARE_HELPURL": "https://eu.wikipedia.org/wiki/Desberdintza",
 	"LOGIC_OPERATION_AND": "eta",
 	"LOGIC_OPERATION_OR": "edo",
@@ -154,10 +141,8 @@
 	"MATH_ONLIST_OPERATOR_STD_DEV": "zerrendako deribazio estandarra",
 	"MATH_ONLIST_OPERATOR_RANDOM": "zerrendako artikulu aleatorioa",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Itzuli zerrendako elementu aleatorioa.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "%1 ÷ %2(r)en oroigarria",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "zatiki aleatorioa",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Letra bat, hitza edo testuko lerroa.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "Testua sortu hurrengoarekin",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "elkartu",
@@ -228,5 +213,7 @@
 	"PROCEDURES_MUTATORARG_TITLE": "sarreraren izena:",
 	"PROCEDURES_CREATE_DO": "'%1' sortu",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Balioa egiazkoa bada, orduan itzuli bigarren baliora.",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Esan zerbait..."
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Esan zerbait...",
+	"DIALOG_OK": "Ados",
+	"DIALOG_CANCEL": "Utzi"
 }
diff --git a/msg/json/fa.json b/msg/json/fa.json
index 43b92bc81bb..a27d412ab45 100644
--- a/msg/json/fa.json
+++ b/msg/json/fa.json
@@ -1,10 +1,12 @@
 {
 	"@metadata": {
 		"authors": [
+			"Ajeje Brazorf",
 			"Alirezaaa",
 			"Arash.pt",
 			"AzorAhai",
 			"Dalba",
+			"Darafsh",
 			"Ebraminio",
 			"Hamisun",
 			"Hossein.safavi",
@@ -21,6 +23,7 @@
 	"DUPLICATE_BLOCK": "تکراری",
 	"ADD_COMMENT": "افزودن نظر",
 	"REMOVE_COMMENT": "حذف نظر",
+	"DUPLICATE_COMMENT": "دیدگاه تکراری",
 	"EXTERNAL_INPUTS": "ورودی‌های خارجی",
 	"INLINE_INPUTS": "ورودی‌های درون خطی",
 	"DELETE_BLOCK": "حذف بلوک",
@@ -64,7 +67,7 @@
 	"COLOUR_BLEND_COLOUR2": "رنگ ۲",
 	"COLOUR_BLEND_RATIO": "نسبت",
 	"COLOUR_BLEND_TOOLTIP": "دو رنگ را با نسبت مشخص‌شده مخلوط می‌کند (۰٫۰ - ۱٫۰)",
-	"CONTROLS_REPEAT_HELPURL": "https://fa.wikipedia.org/wiki/%D8%AD%D9%84%D9%82%D9%87_%D9%81%D9%88%D8%B1",
+	"CONTROLS_REPEAT_HELPURL": "https://fa.wikipedia.org/wiki/حلقه_فور",
 	"CONTROLS_REPEAT_TITLE": "%1 بار تکرار",
 	"CONTROLS_REPEAT_INPUT_DO": "انجام",
 	"CONTROLS_REPEAT_TOOLTIP": "انجام چند عبارت چندین بار.",
@@ -72,7 +75,7 @@
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "تکرار تا زمانی که",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "تا زمانی که یک مقدار صحیح است، چند عبارت را انجام بده.",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "تا زمانی که یک مقدار ناصحیح است، چند عبارت را انجام بده.",
-	"CONTROLS_FOR_TOOLTIP": "متغیر %1 را در مقادیر شروع‌شده از عدد انتهای  به عدد انتهایی را دارد، با فواصل مشخص‌شده می‌شمارد و این بلوک مشخص‌شده را انجام می‌دهد.",
+	"CONTROLS_FOR_TOOLTIP": "متغیر %1 را در مقادیر شروع‌شده از عدد انتهای به عدد انتهایی را دارد، با فواصل مشخص‌شده می‌شمارد و این بلوک مشخص‌شده را انجام می‌دهد.",
 	"CONTROLS_FOR_TITLE": "با تعداد %1 از %2 به %3 با گام‌های %4",
 	"CONTROLS_FOREACH_TITLE": "برای هر مورد %1 در فهرست %2",
 	"CONTROLS_FOREACH_TOOLTIP": "برای هر مورد در این فهرست، تنظیم متغیر «%1» به مورد و انجام تعدادی عبارت.",
@@ -91,19 +94,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "افزودن، حذف یا بازمرتب‌سازی قسمت‌ها برای پیکربندی دوبارهٔ این بلوک اگر.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "افزودن یک شرط به بلوک اگر.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "اضافه کردن نهایی، گرفتن همهٔ شرایط به بلوک اگر.",
-	"IOS_OK": "تأیید",
-	"IOS_CANCEL": "لغو",
-	"IOS_ERROR": "خطا",
-	"IOS_PROCEDURES_INPUTS": "ورودی‌ها",
-	"IOS_PROCEDURES_ADD_INPUT": "+ افزودن ورودی",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "اجازه اظهارات",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "این تابع دارای ورودی‌های تکراری است.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ افزودن متغیر",
-	"IOS_VARIABLES_ADD_BUTTON": "افزودن",
-	"IOS_VARIABLES_RENAME_BUTTON": "تغییر نام",
-	"IOS_VARIABLES_DELETE_BUTTON": "حذف",
-	"IOS_VARIABLES_VARIABLE_NAME": "نام متغیر",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "نام متغیر نمی‌تواند خالی باشد",
 	"LOGIC_COMPARE_HELPURL": "https://fa.wikipedia.org/wiki/%D9%86%D8%A7%D8%A8%D8%B1%D8%A7%D8%A8%D8%B1%DB%8C",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "بازگشت صحیح اگر هر دو ورودی با یکدیگر برابر باشد.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "برگرداندن صحیح اگر هر دو ورودی با یکدیگر برابر نباشند.",
@@ -233,9 +223,9 @@
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "به حروف کوچک",
 	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "به حروف بزرگ عنوان",
 	"TEXT_TRIM_TOOLTIP": "کپی از متن با فاصله‌های حذف‌شده از یک یا هر دو پایان باز می‌گرداند.",
-	"TEXT_TRIM_OPERATOR_BOTH": "تراشیدن فاصله‌ها از  هر دو طرف",
-	"TEXT_TRIM_OPERATOR_LEFT": "تراشیدن فاصله‌ها از  طرف چپ",
-	"TEXT_TRIM_OPERATOR_RIGHT": "تراشیدن فاصله‌ها از  طرف چپ",
+	"TEXT_TRIM_OPERATOR_BOTH": "تراشیدن فاصله‌ها از هر دو طرف",
+	"TEXT_TRIM_OPERATOR_LEFT": "تراشیدن فاصله‌ها از طرف چپ",
+	"TEXT_TRIM_OPERATOR_RIGHT": "تراشیدن فاصله‌ها از طرف چپ",
 	"TEXT_PRINT_TITLE": "چاپ %1",
 	"TEXT_PRINT_TOOLTIP": "چاپ متن، عدد یا هر مقدار دیگر مشخص‌شده.",
 	"TEXT_PROMPT_TYPE_TEXT": "اعلان برای متن با پیام",
@@ -304,14 +294,13 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "به # از انتها",
 	"LISTS_GET_SUBLIST_END_LAST": "به آخرین",
 	"LISTS_GET_SUBLIST_TOOLTIP": "کپی از قسمت مشخص‌شدهٔ لیست درست می‌کند.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "مرتب‌سازی%1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "یک کپی از لیست را مرتب کنید.",
 	"LISTS_SORT_ORDER_ASCENDING": "صعودی",
 	"LISTS_SORT_ORDER_DESCENDING": "نزولی",
 	"LISTS_SORT_TYPE_NUMERIC": "عددی",
-	"LISTS_SORT_TYPE_TEXT": "حروفی ، الفبایی",
-	"LISTS_SORT_TYPE_IGNORECASE": "حروفی ، رد کردن مورد",
+	"LISTS_SORT_TYPE_TEXT": "حروفی، الفبایی",
+	"LISTS_SORT_TYPE_IGNORECASE": "حروفی، در نظر نگرفتن حروف بزرگ و کوچک",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "ایجاد فهرست از متن",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "ایجاد متن از فهرست",
 	"LISTS_SPLIT_WITH_DELIMITER": "همراه جداساز",
@@ -346,5 +335,7 @@
 	"PROCEDURES_CREATE_DO": "ساختن «%1»",
 	"PROCEDURES_IFRETURN_TOOLTIP": "اگر یک مقدار صحیح است، مقدار دوم را برگردان.",
 	"PROCEDURES_IFRETURN_WARNING": "اخطار: این بلوک احتمالاً فقط داخل یک تابع استفاده می‌شود.",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "یک چیزی بگو..."
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "یک چیزی بگو...",
+	"DIALOG_OK": "تأیید",
+	"DIALOG_CANCEL": "لغو"
 }
diff --git a/msg/json/fi.json b/msg/json/fi.json
index d7927cb6653..b77a0265e17 100644
--- a/msg/json/fi.json
+++ b/msg/json/fi.json
@@ -41,7 +41,7 @@
 	"REDO": "Tee uudelleen",
 	"CHANGE_VALUE_TITLE": "Muuta arvoa:",
 	"RENAME_VARIABLE": "Nimeä uudelleen muuttuja...",
-	"RENAME_VARIABLE_TITLE": "Nimeä uudelleen kaikki '%1' muuttujaa:",
+	"RENAME_VARIABLE_TITLE": "Nimeä uudelleen muuttuja '%1' kaikkialla:",
 	"NEW_VARIABLE": "Luo muuttuja...",
 	"NEW_STRING_VARIABLE": "Luo merkkijonomuuttuja...",
 	"NEW_NUMBER_VARIABLE": "Luo numeromuuttuja...",
@@ -57,7 +57,6 @@
 	"COLOUR_PICKER_TOOLTIP": "Valitse väri paletista.",
 	"COLOUR_RANDOM_TITLE": "satunnainen väri",
 	"COLOUR_RANDOM_TOOLTIP": "Valitse väri sattumanvaraisesti.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "väri, jossa on",
 	"COLOUR_RGB_RED": "punainen",
 	"COLOUR_RGB_GREEN": "vihreä",
@@ -68,7 +67,6 @@
 	"COLOUR_BLEND_COLOUR2": "väri 2",
 	"COLOUR_BLEND_RATIO": "suhde",
 	"COLOUR_BLEND_TOOLTIP": "Sekoittaa kaksi väriä keskenään annetussa suhteessa (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "toista %1 kertaa",
 	"CONTROLS_REPEAT_INPUT_DO": "tee",
 	"CONTROLS_REPEAT_TOOLTIP": "Suorita joukko lausekkeita useampi kertaa.",
@@ -95,19 +93,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Lisää, poista tai järjestele osioita tässä \"jos\" lohkossa.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Lisää ehto \"jos\" lohkoon.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Lisää lopullinen \"muuten\" lohko \"jos\" lohkoon.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Peruuta",
-	"IOS_ERROR": "Virhe",
-	"IOS_PROCEDURES_INPUTS": "SYÖTTEET",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Lisää syöte",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Salli lausekkeet",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Tällä toiminnolla on päällekkäisiä syötteitä.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Lisää muuttuja",
-	"IOS_VARIABLES_ADD_BUTTON": "Lisää",
-	"IOS_VARIABLES_RENAME_BUTTON": "Nimeä uudelleen",
-	"IOS_VARIABLES_DELETE_BUTTON": "Poista",
-	"IOS_VARIABLES_VARIABLE_NAME": "Muuttujan nimi",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Et voi käyttää tyhjää muuttujan nimeä.",
 	"LOGIC_COMPARE_HELPURL": "https://fi.wikipedia.org/wiki/Ep%C3%A4yht%C3%A4l%C3%B6",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Palauta tosi, jos syötteet ovat keskenään samat.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Palauttaa tosi, jos syötteet eivät ole keskenään samoja.",
@@ -132,11 +117,7 @@
 	"LOGIC_TERNARY_TOOLTIP": "Tarkistaa testin ehdon. Jos ehto on tosi, palauttaa \"jos tosi\" arvon, muuten palauttaa \"jos epätosi\" arvon.",
 	"MATH_NUMBER_HELPURL": "https://fi.wikipedia.org/wiki/Luku",
 	"MATH_NUMBER_TOOLTIP": "Luku.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
 	"MATH_MULTIPLICATION_SYMBOL": "⋅",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tan",
@@ -166,7 +147,6 @@
 	"MATH_TRIG_TOOLTIP_ASIN": "Palauttaa luvun arkussinin.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Palauttaa luvun arkuskosinin.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Palauttaa luvun arkustangentin.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Palauttaa jonkin seuraavista vakioista: π (3.141…), e (2.718…), φ (1.618…), neliöjuuri(2) (1.414…), neliöjuuri(½) (0.707…), or ∞ (ääretön).",
 	"MATH_IS_EVEN": "on parillinen",
 	"MATH_IS_ODD": "on pariton",
@@ -200,7 +180,6 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Palauttaa annettujen lukujen keskihajonnan.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "satunnainen valinta luvuista",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Palauttaa satunnaisesti valitun luvun annetuista luvuista.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "%1 ÷ %2 jakojäännös",
 	"MATH_MODULO_TOOLTIP": "Palauttaa jakolaskun jakojäännöksen.",
 	"MATH_CONSTRAIN_TITLE": "rajoita %1 vähintään %2 enintään %3",
@@ -211,7 +190,6 @@
 	"MATH_RANDOM_FLOAT_HELPURL": "https://fi.wikipedia.org/wiki/Satunnaisluku",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "satunnainen murtoluku",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Palauttaa satunnaisen luvun oikealta puoliavoimesta välistä [0.0, 1.0).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan(X:%1,Y:%2)",
 	"MATH_ATAN2_TOOLTIP": "Palauta pisteen (X,Y) arkustangentti välillä -180–180.",
 	"TEXT_TEXT_HELPURL": "https://fi.wikipedia.org/wiki/Merkkijono",
@@ -323,7 +301,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "päättyen kohtaan (lopusta laskien)",
 	"LISTS_GET_SUBLIST_END_LAST": "viimeinen",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Luo kopio määrätystä kohden listaa.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "lajittele %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Lajittele kopio luettelosta.",
 	"LISTS_SORT_ORDER_ASCENDING": "nouseva",
@@ -364,9 +341,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Korosta funktion määritelmä",
 	"PROCEDURES_CREATE_DO": "Luo '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Jos arvo on tosi, palauta toinen arvo.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Varoitus: tätä lohkoa voi käyttää vain funktion määrityksessä.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Sano jotakin...",
 	"WORKSPACE_ARIA_LABEL": "Blocklyn työnäkymä",
-	"COLLAPSED_WARNINGS_WARNING": "Supistetut lohkot sisältävät varoituksia."
+	"COLLAPSED_WARNINGS_WARNING": "Supistetut lohkot sisältävät varoituksia.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Peru"
 }
diff --git a/msg/json/fo.json b/msg/json/fo.json
new file mode 100644
index 00000000000..9484024bdba
--- /dev/null
+++ b/msg/json/fo.json
@@ -0,0 +1,46 @@
+{
+	"@metadata": {
+		"authors": [
+			"Gt",
+			"Olavur"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "lutur",
+	"UNNAMED_KEY": "ónevnt",
+	"TODAY": "Í dag",
+	"DUPLICATE_BLOCK": "Tvífalda",
+	"ADD_COMMENT": "Viðmerk",
+	"REMOVE_COMMENT": "Strika viðmerking",
+	"DUPLICATE_COMMENT": "Tvífalda viðmerking",
+	"EXTERNAL_INPUTS": "Innputt uttanifrá",
+	"INLINE_INPUTS": "Innlinju innputt",
+	"DELETE_BLOCK": "Strika blokk",
+	"DELETE_X_BLOCKS": "Strika %1 blokkar",
+	"DELETE_ALL_BLOCKS": "Strika allar %1 blokkar?",
+	"CLEAN_UP": "Rudda blokkar",
+	"COLLAPSE_BLOCK": "Fell blokk saman",
+	"COLLAPSE_ALL": "Fell blokkar saman",
+	"EXPAND_BLOCK": "Víðka blokk",
+	"EXPAND_ALL": "Víðka blokkar",
+	"DISABLE_BLOCK": "Ger blokk óvirknan",
+	"ENABLE_BLOCK": "Ger blokk virknan",
+	"HELP": "Hjálp",
+	"UNDO": "Angra",
+	"REDO": "Ger umaftur",
+	"CHANGE_VALUE_TITLE": "Broyt virði:",
+	"RENAME_VARIABLE": "Broyt navn á variabli...",
+	"RENAME_VARIABLE_TITLE": "Broyt navnið á øllum '%1' variablum til:",
+	"NEW_VARIABLE": "Ger variabul...",
+	"NEW_STRING_VARIABLE": "Ger strongvariabul...",
+	"NEW_NUMBER_VARIABLE": "Ger talvariabul...",
+	"NEW_COLOUR_VARIABLE": "Ger litvariabul...",
+	"NEW_VARIABLE_TYPE_TITLE": "Nýtt variabulslag:",
+	"NEW_VARIABLE_TITLE": "Navn á nýggjum variabli:",
+	"VARIABLE_ALREADY_EXISTS": "Ein variabul við navninum '%1' finst longu.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Ein variabul við navninum '%1' finst longu fyri eina aðra typu: '%2'",
+	"DELETE_VARIABLE_CONFIRMATION": "Strika %1 brúk av '%2' variablinum?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Kann ikki strika variabulin '%1', tí hann er partur av allýsingini av funktiónini '%2'",
+	"DELETE_VARIABLE": "Strika '%1' variabulin",
+	"DIALOG_OK": "Í lagi",
+	"DIALOG_CANCEL": "Angra"
+}
diff --git a/msg/json/fr.json b/msg/json/fr.json
index ee9241e91fb..4d6b9894ca6 100644
--- a/msg/json/fr.json
+++ b/msg/json/fr.json
@@ -3,6 +3,8 @@
 		"authors": [
 			"Alacabe",
 			"Appr",
+			"Ashleyzeldin",
+			"Chrisbansart",
 			"Espertus",
 			"Fredlefred",
 			"Frigory",
@@ -12,6 +14,7 @@
 			"ProfGra",
 			"Rixed",
 			"RoboErikG",
+			"Scratcheur-2020Send",
 			"Thibaut120094",
 			"Urhixidur",
 			"Verdy p",
@@ -22,7 +25,7 @@
 	},
 	"VARIABLES_DEFAULT_NAME": "élément",
 	"UNNAMED_KEY": "non nommé",
-	"TODAY": "Aujourd'hui",
+	"TODAY": "Aujourd’hui",
 	"DUPLICATE_BLOCK": "Dupliquer",
 	"ADD_COMMENT": "Ajouter un commentaire",
 	"REMOVE_COMMENT": "Supprimer un commentaire",
@@ -31,7 +34,7 @@
 	"INLINE_INPUTS": "Entrées en ligne",
 	"DELETE_BLOCK": "Supprimer le bloc",
 	"DELETE_X_BLOCKS": "Supprimer %1 blocs",
-	"DELETE_ALL_BLOCKS": "Supprimer ces %1 blocs ?",
+	"DELETE_ALL_BLOCKS": "Supprimer ces %1 blocs ?",
 	"CLEAN_UP": "Nettoyer les blocs",
 	"COLLAPSE_BLOCK": "Réduire le bloc",
 	"COLLAPSE_ALL": "Réduire les blocs",
@@ -42,31 +45,30 @@
 	"HELP": "Aide",
 	"UNDO": "Annuler",
 	"REDO": "Refaire",
-	"CHANGE_VALUE_TITLE": "Modifier la valeur :",
+	"CHANGE_VALUE_TITLE": "Modifier la valeur :",
 	"RENAME_VARIABLE": "Renommer la variable...",
-	"RENAME_VARIABLE_TITLE": "Renommer toutes les variables « %1 » en :",
+	"RENAME_VARIABLE_TITLE": "Renommer toutes les variables « %1 » en :",
 	"NEW_VARIABLE": "Créer une variable...",
 	"NEW_STRING_VARIABLE": "Créer une variable de chaîne...",
 	"NEW_NUMBER_VARIABLE": "Créer une variable numérique...",
 	"NEW_COLOUR_VARIABLE": "Créer une variable de couleur...",
-	"NEW_VARIABLE_TYPE_TITLE": "Nouveau type de variable :",
-	"NEW_VARIABLE_TITLE": "Nom de la nouvelle variable :",
-	"VARIABLE_ALREADY_EXISTS": "Une variable nommée « %1 » existe déjà.",
-	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Une variable nommée « %1 » existe déjà pour un autre type : « %2 ».",
-	"DELETE_VARIABLE_CONFIRMATION": "Supprimer %1 utilisations de la variable « %2 » ?",
-	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Impossible de supprimer la variable « %1 » parce qu’elle fait partie de la définition de la fonction « %2 »",
-	"DELETE_VARIABLE": "Supprimer la variable « %1 »",
+	"NEW_VARIABLE_TYPE_TITLE": "Nouveau type de variable :",
+	"NEW_VARIABLE_TITLE": "Nom de la nouvelle variable :",
+	"VARIABLE_ALREADY_EXISTS": "Une variable nommée « %1 » existe déjà.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Une variable nommée « %1 » existe déjà pour un autre type : « %2 ».",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Une variable nommée « %1 » existe déjà comme paramètre dans la procédure « %2 ».",
+	"DELETE_VARIABLE_CONFIRMATION": "Supprimer %1 utilisations de la variable « %2 » ?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Impossible de supprimer la variable « %1 » parce qu’elle fait partie de la définition de la fonction « %2 »",
+	"DELETE_VARIABLE": "Supprimer la variable « %1 »",
 	"COLOUR_PICKER_HELPURL": "https://fr.wikipedia.org/wiki/Couleur",
 	"COLOUR_PICKER_TOOLTIP": "Choisir une couleur dans la palette.",
 	"COLOUR_RANDOM_TITLE": "couleur aléatoire",
 	"COLOUR_RANDOM_TOOLTIP": "Choisir une couleur au hasard.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "colorier en",
 	"COLOUR_RGB_RED": "rouge",
 	"COLOUR_RGB_GREEN": "vert",
 	"COLOUR_RGB_BLUE": "bleu",
 	"COLOUR_RGB_TOOLTIP": "Créer une couleur avec la quantité spécifiée de rouge, vert et bleu. Les valeurs doivent être comprises entre 0 et 100.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "mélanger",
 	"COLOUR_BLEND_COLOUR1": "couleur 1",
 	"COLOUR_BLEND_COLOUR2": "couleur 2",
@@ -76,19 +78,24 @@
 	"CONTROLS_REPEAT_TITLE": "répéter %1 fois",
 	"CONTROLS_REPEAT_INPUT_DO": "faire",
 	"CONTROLS_REPEAT_TOOLTIP": "Exécuter des instructions plusieurs fois.",
+	"CONTROLS_WHILEUNTIL_HELPURL": "https://fr.wikipedia.org/wiki/Boucle_while",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "répéter tant que",
-	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "répéter jusqu’à",
+	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "répéter jusqu’à ce que",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Tant qu’une valeur est vraie, alors exécuter des instructions.",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Tant qu’une valeur est fausse, alors exécuter des instructions.",
-	"CONTROLS_FOR_TOOLTIP": "Faire prendre successivement à la variable « %1 » les valeurs entre deux nombres de début et de fin par incrément du pas spécifié et exécuter les instructions spécifiées.",
+	"CONTROLS_FOR_HELPURL": "https://fr.wikipedia.org/wiki/Boucle_for",
+	"CONTROLS_FOR_TOOLTIP": "Faire prendre successivement à la variable « %1 » les valeurs entre deux nombres de début et de fin par incrément du pas spécifié et exécuter les instructions spécifiées.",
 	"CONTROLS_FOR_TITLE": "compter avec %1 de %2 à %3 par %4",
+	"CONTROLS_FOREACH_HELPURL": "https://fr.wikipedia.org/wiki/Structure_de_contrôle#Itérateurs",
 	"CONTROLS_FOREACH_TITLE": "pour chaque élément %1 dans la liste %2",
-	"CONTROLS_FOREACH_TOOLTIP": "Pour chaque élément d’une liste, assigner la valeur de l’élément à la variable « %1 », puis exécuter des instructions.",
+	"CONTROLS_FOREACH_TOOLTIP": "Pour chaque élément d’une liste, affecter la valeur de l’élément à la variable « %1 », puis exécuter quelques instructions.",
+	"CONTROLS_FLOW_STATEMENTS_HELPURL": "https://fr.wikipedia.org/wiki/Structure_de_contrôle#Commandes_de_sortie_de_boucle",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "quitter la boucle",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "passer à l’itération de boucle suivante",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Sortir de la boucle englobante.",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "Sauter le reste de cette boucle, et poursuivre avec l’itération suivante.",
-	"CONTROLS_FLOW_STATEMENTS_WARNING": "Attention : ce bloc ne devrait être utilisé que dans une boucle.",
+	"CONTROLS_FLOW_STATEMENTS_WARNING": "Attention : ce bloc ne devrait être utilisé que dans une boucle.",
+	"CONTROLS_IF_HELPURL": "https://fr.wikipedia.org/wiki/Structure_de_contrôle#Alternatives",
 	"CONTROLS_IF_TOOLTIP_1": "Si une valeur est vraie, alors exécuter certaines instructions.",
 	"CONTROLS_IF_TOOLTIP_2": "Si une valeur est vraie, alors exécuter le premier bloc d’instructions. Sinon, exécuter le second bloc d’instructions.",
 	"CONTROLS_IF_TOOLTIP_3": "Si la première valeur est vraie, alors exécuter le premier bloc d’instructions. Sinon, si la seconde valeur est vraie, exécuter le second bloc d’instructions.",
@@ -99,45 +106,41 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Ajouter, supprimer ou réordonner les sections pour reconfigurer ce bloc conditionnel.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Ajouter une condition au bloc conditionnel.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Ajouter une condition finale déclenchée dans tous les autres cas au bloc conditionnel.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Annuler",
-	"IOS_ERROR": "Erreur",
-	"IOS_PROCEDURES_INPUTS": "ENTRÉES",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Ajouter une entrée",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Instructions autorisées",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Cette fonction a des entrées dupliquées.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Ajouter une variable",
-	"IOS_VARIABLES_ADD_BUTTON": "Ajouter",
-	"IOS_VARIABLES_RENAME_BUTTON": "Renommer",
-	"IOS_VARIABLES_DELETE_BUTTON": "Supprimer",
-	"IOS_VARIABLES_VARIABLE_NAME": "Nom de la variable",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Vous ne pouvez pas utiliser un nom de variable vide.",
 	"LOGIC_COMPARE_HELPURL": "https://fr.wikipedia.org/wiki/In%C3%A9galit%C3%A9_(math%C3%A9matiques)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Renvoyer vrai si les deux entrées sont égales.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Renvoyer vrai si les deux entrées sont différentes.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Renvoyer vrai si la première entrée est plus petite que la seconde.",
 	"LOGIC_COMPARE_TOOLTIP_LTE": "Renvoyer vrai si la première entrée est plus petite ou égale à la seconde.",
 	"LOGIC_COMPARE_TOOLTIP_GT": "Renvoyer vrai si la première entrée est plus grande que la seconde.",
-	"LOGIC_COMPARE_TOOLTIP_GTE": "Renvoyer true si la première entrée est supérieure ou égale à la seconde.",
+	"LOGIC_COMPARE_TOOLTIP_GTE": "Renvoyer vrai si la première entrée est supérieure ou égale à la seconde.",
+	"LOGIC_OPERATION_HELPURL": "https://fr.wikipedia.org/wiki/Connecteur_logique",
 	"LOGIC_OPERATION_TOOLTIP_AND": "Renvoyer vrai si les deux entrées sont vraies.",
 	"LOGIC_OPERATION_AND": "et",
 	"LOGIC_OPERATION_TOOLTIP_OR": "Renvoyer vrai si au moins une des entrées est vraie.",
 	"LOGIC_OPERATION_OR": "ou",
+	"LOGIC_NEGATE_HELPURL": "https://fr.wikipedia.org/wiki/Négation_logique",
 	"LOGIC_NEGATE_TITLE": "non %1",
 	"LOGIC_NEGATE_TOOLTIP": "Renvoie vrai si l’entrée est fausse. Renvoie faux si l’entrée est vraie.",
+	"LOGIC_BOOLEAN_HELPURL": "https://fr.wikipedia.org/wiki/Principe_de_bivalence",
 	"LOGIC_BOOLEAN_TRUE": "vrai",
 	"LOGIC_BOOLEAN_FALSE": "faux",
 	"LOGIC_BOOLEAN_TOOLTIP": "Renvoie soit vrai soit faux.",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "nul",
 	"LOGIC_NULL_TOOLTIP": "Renvoie nul.",
-	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
+	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F%3A",
 	"LOGIC_TERNARY_CONDITION": "test",
 	"LOGIC_TERNARY_IF_TRUE": "si vrai",
 	"LOGIC_TERNARY_IF_FALSE": "si faux",
-	"LOGIC_TERNARY_TOOLTIP": "Vérifie la condition indiquée dans « test ». Si elle est vraie, renvoie la valeur « si vrai » ; sinon renvoie la valeur « si faux ».",
+	"LOGIC_TERNARY_TOOLTIP": "Vérifie la condition indiquée dans « test ». Si elle est vraie, renvoie la valeur « si vrai » ; sinon renvoie la valeur « si faux ».",
 	"MATH_NUMBER_HELPURL": "https://fr.wikipedia.org/wiki/Nombre",
 	"MATH_NUMBER_TOOLTIP": "Un nombre.",
+	"MATH_SUBTRACTION_SYMBOL": "−",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
 	"MATH_ARITHMETIC_HELPURL": "https://fr.wikipedia.org/wiki/Arithm%C3%A9tique",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Renvoie la somme des deux nombres.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Renvoie la différence des deux nombres.",
@@ -152,7 +155,7 @@
 	"MATH_SINGLE_TOOLTIP_NEG": "Renvoie l’opposé d’un nombre",
 	"MATH_SINGLE_TOOLTIP_LN": "Renvoie le logarithme naturel d’un nombre.",
 	"MATH_SINGLE_TOOLTIP_LOG10": "Renvoie le logarithme décimal d’un nombre.",
-	"MATH_SINGLE_TOOLTIP_EXP": "Renvoie <em>e</em> à la puissance d’un nombre.",
+	"MATH_SINGLE_TOOLTIP_EXP": "Renvoie e (la constante d’Euler) élevé à la puissance d’un nombre donné, c’est-à-dire l’exponentielle népérienne ou naturelle de ce nombre.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Renvoie 10 à la puissance d’un nombre.",
 	"MATH_TRIG_HELPURL": "https://fr.wikipedia.org/wiki/Fonction_trigonom%C3%A9trique",
 	"MATH_TRIG_TOOLTIP_SIN": "Renvoie le sinus d’un angle en degrés (pas en radians).",
@@ -162,7 +165,7 @@
 	"MATH_TRIG_TOOLTIP_ACOS": "Renvoie l’arccosinus d’un nombre.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Renvoie l’arctangente d’un nombre.",
 	"MATH_CONSTANT_HELPURL": "https://fr.wikipedia.org/wiki/Table_de_constantes_math%C3%A9matiques",
-	"MATH_CONSTANT_TOOLTIP": "Renvoie une des constantes courantes : π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), ou ∞ (infini).",
+	"MATH_CONSTANT_TOOLTIP": "Renvoie une des constantes courantes : π (3,141...), e (2,718...), φ (nom d’or : ½(1+√5) = 1,618…), √2 (1,414...), √½ (0,707...), ou ∞ (infini).",
 	"MATH_IS_EVEN": "est pair",
 	"MATH_IS_ODD": "est impair",
 	"MATH_IS_PRIME": "est premier",
@@ -173,12 +176,13 @@
 	"MATH_IS_TOOLTIP": "Vérifier si un nombre est pair, impair, premier, entier, positif, négatif ou s’il est divisible par un certain nombre. Renvoie vrai ou faux.",
 	"MATH_CHANGE_HELPURL": "https://fr.wikipedia.org/wiki/Idiome_de_programmation",
 	"MATH_CHANGE_TITLE": "incrémenter %1 de %2",
-	"MATH_CHANGE_TOOLTIP": "Ajouter un nombre à la variable « %1 ».",
+	"MATH_CHANGE_TOOLTIP": "Ajouter un nombre à la variable « %1 ».",
 	"MATH_ROUND_HELPURL": "https://fr.wikipedia.org/wiki/Arrondi_(math%C3%A9matiques)",
 	"MATH_ROUND_TOOLTIP": "Arrondir un nombre au-dessus ou au-dessous.",
 	"MATH_ROUND_OPERATOR_ROUND": "arrondir",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "arrondir par excès (à l’entier supérieur le plus proche)",
 	"MATH_ROUND_OPERATOR_ROUNDDOWN": "arrondir par défaut (à l’entier inférieur le plus proche)",
+	"MATH_ONLIST_HELPURL": "https://fr.wikipedia.org/wiki/Fonction_d'agrégation",
 	"MATH_ONLIST_OPERATOR_SUM": "somme de la liste",
 	"MATH_ONLIST_TOOLTIP_SUM": "Renvoyer la somme de tous les nombres dans la liste.",
 	"MATH_ONLIST_OPERATOR_MIN": "minimum de la liste",
@@ -207,17 +211,17 @@
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "fraction aléatoire",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Renvoyer une fraction aléatoire entre 0,0 (inclus) et 1,0 (exclus).",
 	"MATH_ATAN2_HELPURL": "https://fr.wikipedia.org/wiki/Atan2",
-	"MATH_ATAN2_TITLE": "atan2 de (X : %1 , Y : %2)",
+	"MATH_ATAN2_TITLE": "atan2 de (x : %1 ; y : %2)",
 	"MATH_ATAN2_TOOLTIP": "Renvoie l’arc-tangente du point (X, Y) en degrés entre -180 et 180.",
 	"TEXT_TEXT_HELPURL": "https://fr.wikipedia.org/wiki/Cha%C3%AEne_de_caract%C3%A8res",
 	"TEXT_TEXT_TOOLTIP": "Une lettre, un mot ou une ligne de texte.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "créer un texte avec",
-	"TEXT_JOIN_TOOLTIP": "Créer un morceau de texte en joignant bout à bout et successivement un nombre quelconque d’éléments dans le même ordre.",
+	"TEXT_JOIN_TOOLTIP": "Créer un morceau de texte en joignant bout à bout un nombre quelconque d’éléments dans l’ordre indiqué.",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "joindre",
 	"TEXT_CREATE_JOIN_TOOLTIP": "Ajouter, supprimer, ou réordonner des sections pour reconfigurer ce bloc de texte.",
 	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "Ajouter un élément au texte.",
 	"TEXT_APPEND_TITLE": "ajouter le texte %2 à %1",
-	"TEXT_APPEND_TOOLTIP": "Ajouter du texte à la variable « %1 ».",
+	"TEXT_APPEND_TOOLTIP": "Ajouter du texte à la variable « %1 ».",
 	"TEXT_LENGTH_TITLE": "longueur de %1",
 	"TEXT_LENGTH_TOOLTIP": "Renvoie le nombre de lettres (chiffres, ponctuations, symboles et espaces compris) dans le texte fourni.",
 	"TEXT_ISEMPTY_TITLE": "%1 est vide",
@@ -226,7 +230,7 @@
 	"TEXT_INDEXOF_TITLE": "%2 %3 dans le texte %1",
 	"TEXT_INDEXOF_OPERATOR_FIRST": "trouver la première occurrence de la chaîne",
 	"TEXT_INDEXOF_OPERATOR_LAST": "trouver la dernière occurrence du texte",
-	"TEXT_CHARAT_TITLE": "%2 dans le texte %1",
+	"TEXT_CHARAT_TITLE": "dans le texte %1 %2",
 	"TEXT_CHARAT_FROM_START": "obtenir la lettre nº",
 	"TEXT_CHARAT_FROM_END": "obtenir la lettre nº (depuis la fin)",
 	"TEXT_CHARAT_FIRST": "obtenir la première lettre",
@@ -256,17 +260,13 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Demander un nombre à l’utilisateur.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Demander un texte à l’utilisateur.",
 	"TEXT_COUNT_MESSAGE0": "nombre %1 sur %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Compter combien de fois un texte donné apparaît dans un autre.",
 	"TEXT_REPLACE_MESSAGE0": "remplacer %1 par %2 dans %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "Remplacer toutes les occurrences d’un texte par un autre.",
 	"TEXT_REVERSE_MESSAGE0": "renverser %1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "Renverse l’ordre des caractères dans le texte.",
 	"LISTS_CREATE_EMPTY_TITLE": "créer une liste vide",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Renvoyer une liste, de longueur 0, ne contenant aucun enregistrement de données",
-	"LISTS_CREATE_WITH_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_CREATE_WITH_TOOLTIP": "Créer une liste avec un nombre quelconque d’éléments.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "créer une liste avec",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "liste",
@@ -284,11 +284,12 @@
 	"LISTS_INDEX_OF_TOOLTIP": "Renvoie l’index de la première/dernière occurrence de l’élément dans la liste. Renvoie %1 si l’élément n’est pas trouvé.",
 	"LISTS_GET_INDEX_GET": "obtenir",
 	"LISTS_GET_INDEX_GET_REMOVE": "obtenir et supprimer",
-	"LISTS_GET_INDEX_REMOVE": "supprimer",
-	"LISTS_GET_INDEX_FROM_END": "n° depuis la fin",
+	"LISTS_GET_INDEX_REMOVE": "retirer",
+	"LISTS_GET_INDEX_FROM_START": "nº",
+	"LISTS_GET_INDEX_FROM_END": "nº depuis la fin",
 	"LISTS_GET_INDEX_FIRST": "premier",
 	"LISTS_GET_INDEX_LAST": "dernier",
-	"LISTS_GET_INDEX_RANDOM": "aléatoire",
+	"LISTS_GET_INDEX_RANDOM": "au hasard",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 est le premier élément.",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 est le dernier élément.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "Renvoie l’élément à la position indiquée dans une liste.",
@@ -315,13 +316,12 @@
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Ajoute l’élément à la fin d’une liste.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "Insère l’élément au hasard dans une liste.",
 	"LISTS_GET_SUBLIST_START_FROM_START": "obtenir la sous-liste depuis le n°",
-	"LISTS_GET_SUBLIST_START_FROM_END": "obtenir la sous-liste depuis le n° depuis la fin",
+	"LISTS_GET_SUBLIST_START_FROM_END": "obtenir la sous-liste depuis le nº depuis la fin",
 	"LISTS_GET_SUBLIST_START_FIRST": "obtenir la sous-liste depuis le début",
-	"LISTS_GET_SUBLIST_END_FROM_START": "jusqu’au n°",
+	"LISTS_GET_SUBLIST_END_FROM_START": "jusqu’au nº",
 	"LISTS_GET_SUBLIST_END_FROM_END": "jusqu’au n° depuis la fin",
 	"LISTS_GET_SUBLIST_END_LAST": "jusqu’à la fin",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Crée une copie de la partie spécifiée d’une liste.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "trier %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Trier une copie d’une liste.",
 	"LISTS_SORT_ORDER_ASCENDING": "croissant",
@@ -329,44 +329,45 @@
 	"LISTS_SORT_TYPE_NUMERIC": "numérique",
 	"LISTS_SORT_TYPE_TEXT": "alphabétique",
 	"LISTS_SORT_TYPE_IGNORECASE": "alphabétique, en ignorant la casse",
-	"LISTS_SPLIT_HELPURL": "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "créer une liste depuis le texte",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "créer un texte depuis la liste",
 	"LISTS_SPLIT_WITH_DELIMITER": "avec séparateur",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Couper un texte en une liste de textes, en coupant à chaque séparateur.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Réunir une liste de textes en un seul, en les joignant par un séparateur.",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "inverser %1",
 	"LISTS_REVERSE_TOOLTIP": "Inverser la copie d’une liste.",
 	"VARIABLES_GET_TOOLTIP": "Renvoie la valeur de cette variable.",
-	"VARIABLES_GET_CREATE_SET": "Créer « set %1 »",
+	"VARIABLES_GET_CREATE_SET": "Créer « définir %1 »",
 	"VARIABLES_SET": "définir %1 à %2",
 	"VARIABLES_SET_TOOLTIP": "Définit cette variable pour qu’elle soit égale à la valeur de l’entrée.",
-	"VARIABLES_SET_CREATE_GET": "Créer « get %1 »",
+	"VARIABLES_SET_CREATE_GET": "Créer « obtenir %1 »",
+	"PROCEDURES_DEFNORETURN_HELPURL": "https://fr.wikipedia.org/wiki/Sous-programme",
 	"PROCEDURES_DEFNORETURN_TITLE": "pour",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "faire quelque chose",
-	"PROCEDURES_BEFORE_PARAMS": "avec :",
-	"PROCEDURES_CALL_BEFORE_PARAMS": "avec :",
+	"PROCEDURES_BEFORE_PARAMS": "avec :",
+	"PROCEDURES_CALL_BEFORE_PARAMS": "avec :",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Crée une fonction sans sortie.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Décrivez cette fonction...",
+	"PROCEDURES_DEFRETURN_HELPURL": "https://fr.wikipedia.org/wiki/Sous-programme",
 	"PROCEDURES_DEFRETURN_RETURN": "retourner",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Crée une fonction avec une sortie.",
 	"PROCEDURES_ALLOW_STATEMENTS": "autoriser les ordres",
-	"PROCEDURES_DEF_DUPLICATE_WARNING": "Attention : cette fonction a des paramètres en double.",
+	"PROCEDURES_DEF_DUPLICATE_WARNING": "Attention : cette fonction a des paramètres en doublon.",
 	"PROCEDURES_CALLNORETURN_HELPURL": "https://fr.wikipedia.org/wiki/Sous-programme",
-	"PROCEDURES_CALLNORETURN_TOOLTIP": "Exécuter la fonction « %1 » définie par l’utilisateur.",
+	"PROCEDURES_CALLNORETURN_TOOLTIP": "Exécuter la fonction « %1 » définie par l’utilisateur.",
 	"PROCEDURES_CALLRETURN_HELPURL": "https://fr.wikipedia.org/wiki/Sous-programme",
-	"PROCEDURES_CALLRETURN_TOOLTIP": "Exécuter la fonction « %1 » définie par l’utilisateur et utiliser son résultat.",
+	"PROCEDURES_CALLRETURN_TOOLTIP": "Exécuter la fonction « %1 » définie par l’utilisateur et utiliser son résultat.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "entrées",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Ajouter, supprimer, ou réarranger les entrées de cette fonction.",
-	"PROCEDURES_MUTATORARG_TITLE": "nom de l’entrée :",
+	"PROCEDURES_MUTATORARG_TITLE": "nom de l’entrée :",
 	"PROCEDURES_MUTATORARG_TOOLTIP": "Ajouter une entrée à la fonction.",
 	"PROCEDURES_HIGHLIGHT_DEF": "Surligner la définition de la fonction",
-	"PROCEDURES_CREATE_DO": "Créer « %1 »",
+	"PROCEDURES_CREATE_DO": "Créer « %1 »",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Si une valeur est vraie, alors renvoyer une seconde valeur.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
-	"PROCEDURES_IFRETURN_WARNING": "Attention : ce bloc ne peut être utilisé que dans une définition de fonction.",
+	"PROCEDURES_IFRETURN_WARNING": "Attention : ce bloc ne peut être utilisé que dans une définition de fonction.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Expliquez quelque chose...",
-	"WORKSPACE_ARIA_LABEL": "Espace de travail de Blocky",
-	"COLLAPSED_WARNINGS_WARNING": "Les blocs repliés contiennent des avertissements."
+	"WORKSPACE_ARIA_LABEL": "Espace de travail de Blockly",
+	"COLLAPSED_WARNINGS_WARNING": "Les blocs repliés contiennent des avertissements.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Annuler"
 }
diff --git a/msg/json/frr.json b/msg/json/frr.json
new file mode 100644
index 00000000000..e3f776f99d7
--- /dev/null
+++ b/msg/json/frr.json
@@ -0,0 +1,6 @@
+{
+	"@metadata": {
+		"authors": []
+	},
+	"DIALOG_OK": "OK"
+}
diff --git a/msg/json/gl.json b/msg/json/gl.json
index 173ca265c65..62f4192c3ea 100644
--- a/msg/json/gl.json
+++ b/msg/json/gl.json
@@ -1,6 +1,7 @@
 {
 	"@metadata": {
 		"authors": [
+			"Antón Méixome",
 			"Chairego apc",
 			"Elisardojm",
 			"Iváns",
@@ -9,10 +10,12 @@
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "elemento",
+	"UNNAMED_KEY": "innominada",
 	"TODAY": "Hoxe",
 	"DUPLICATE_BLOCK": "Duplicar",
 	"ADD_COMMENT": "Engadir un comentario",
 	"REMOVE_COMMENT": "Eliminar o comentario",
+	"DUPLICATE_COMMENT": "Duplicar o comentario",
 	"EXTERNAL_INPUTS": "Entradas externas",
 	"INLINE_INPUTS": "Entradas en liña",
 	"DELETE_BLOCK": "Borrar o bloque",
@@ -32,75 +35,111 @@
 	"RENAME_VARIABLE": "Renomear a variable...",
 	"RENAME_VARIABLE_TITLE": "Renomear todas as variables \"%1\" a:",
 	"NEW_VARIABLE": "Crear a variable...",
+	"NEW_STRING_VARIABLE": "Crear unha variable de cadea...",
+	"NEW_NUMBER_VARIABLE": "Crear unha variable numérica...",
+	"NEW_COLOUR_VARIABLE": "Crear unha variable de cor...",
+	"NEW_VARIABLE_TYPE_TITLE": "Tipo da nova variable:",
 	"NEW_VARIABLE_TITLE": "Nome da nova variable:",
+	"VARIABLE_ALREADY_EXISTS": "Xa existe unha variable co nome \"%1\".",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Xa existe unha variable co nome \"%1\" para outro tipo: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Xa existe unha variable co nome \"%1\" como parámetro no procedemento '%2'.",
+	"DELETE_VARIABLE_CONFIRMATION": "Queres eliminar %1 usos da variable '%2'?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Non se pode eliminar a variable \"%1\" porque forma parte da definición da función '%2'",
+	"DELETE_VARIABLE": "Eliminar a variable \"%1\"",
 	"COLOUR_PICKER_HELPURL": "https://gl.wikipedia.org/wiki/Cor",
 	"COLOUR_PICKER_TOOLTIP": "Escolle unha cor da paleta.",
-	"COLOUR_RANDOM_TITLE": "cor ó chou",
+	"COLOUR_RANDOM_TITLE": "cor ao chou",
 	"COLOUR_RANDOM_TOOLTIP": "Escolle unha cor ao chou.",
 	"COLOUR_RGB_TITLE": "colorar con",
 	"COLOUR_RGB_RED": "vermello",
 	"COLOUR_RGB_GREEN": "verde",
 	"COLOUR_RGB_BLUE": "azul",
+	"COLOUR_RGB_TOOLTIP": "Crea unha cor coa cantidade especificada de vermello, verde e azul. Todos os valores deben estar entre 0 e 100.",
 	"COLOUR_BLEND_TITLE": "mesturar",
 	"COLOUR_BLEND_COLOUR1": "cor 1",
 	"COLOUR_BLEND_COLOUR2": "cor 2",
 	"COLOUR_BLEND_RATIO": "proporción",
-	"COLOUR_BLEND_TOOLTIP": "Mestura dúas cores ca proporción indicada (0.0 - 1.0).",
-	"CONTROLS_REPEAT_INPUT_DO": "facer",
-	"CONTROLS_REPEAT_TOOLTIP": "Faga algunhas instrucións varias veces.",
+	"COLOUR_BLEND_TOOLTIP": "Mestura dúas cores coa proporción indicada (0,0 - 1,0).",
+	"CONTROLS_REPEAT_TITLE": "repetir %1 veces",
+	"CONTROLS_REPEAT_INPUT_DO": "executar",
+	"CONTROLS_REPEAT_TOOLTIP": "Executa algunhas instrucións varias veces.",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "repetir mentres",
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "repetir ata",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Namentres un valor é verdadeiro, executa algunhas instrucións.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Namentres un valor é falso, executa algunhas instrucións.",
+	"CONTROLS_FOR_TOOLTIP": "Fai que a variable \"%1\" tome os valores desde o número inicial ata o número final dentro do intervalo especificado e executa os bloques especificados.",
+	"CONTROLS_FOR_TITLE": "contar con %1 desde %2 ata %3 en incrementos de %4",
+	"CONTROLS_FOREACH_TITLE": "para cada elemento %1 da lista %2",
+	"CONTROLS_FOREACH_TOOLTIP": "Para cada elemento dunha lista, establece o elemento na variable \"%1\" e logo executa algunhas instrucións.",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "saír do bucle",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "continuar coa seguinte iteración do bucle",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Saír do bucle interior.",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "Saltar o resto do bucle e continuar coa seguinte iteración.",
+	"CONTROLS_FLOW_STATEMENTS_WARNING": "Aviso: Este bloque só se pode usar dentro dun bucle.",
+	"CONTROLS_IF_TOOLTIP_1": "Se un valor é verdadeiro, executa algunhas instrucións.",
+	"CONTROLS_IF_TOOLTIP_2": "Se un valor é verdadeiro, executa o primeiro bloque de instrucións. En caso contrario, executa o segundo bloque de instrucións.",
+	"CONTROLS_IF_TOOLTIP_3": "Se o primeiro valor é verdadeiro, executa o primeiro bloque de instrucións. En caso contrario, se o segundo valor é verdadeiro, executa o segundo bloque de instrucións.",
+	"CONTROLS_IF_TOOLTIP_4": "Se o primeiro valor é verdadeiro, executa o primeiro bloque de instrucións. En caso contrario, se o segundo valor é verdadeiro, executa o segundo bloque de instrucións. Se ningún valor é verdadeiro, executa o último bloque de instrucións.",
 	"CONTROLS_IF_MSG_IF": "se",
 	"CONTROLS_IF_MSG_ELSEIF": "mais se",
-	"CONTROLS_IF_MSG_ELSE": "senón",
-	"IOS_OK": "Feito",
-	"IOS_CANCEL": "Cancelar",
-	"IOS_ERROR": "Erro",
-	"IOS_PROCEDURES_INPUTS": "ENTRADAS",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Engadir entrada",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Permitir declaracións",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Esta función ten entradas duplicadas.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Engadir variábel",
-	"IOS_VARIABLES_ADD_BUTTON": "Engadir",
-	"IOS_VARIABLES_RENAME_BUTTON": "Renomear",
-	"IOS_VARIABLES_DELETE_BUTTON": "Eliminar",
-	"IOS_VARIABLES_VARIABLE_NAME": "Nome da variábel",
+	"CONTROLS_IF_MSG_ELSE": "se non",
+	"CONTROLS_IF_IF_TOOLTIP": "Engade, elimina ou reordena as seccións para reconfigurar este bloque \"se\".",
+	"CONTROLS_IF_ELSEIF_TOOLTIP": "Engade unha condición ao bloque \"se\".",
+	"CONTROLS_IF_ELSE_TOOLTIP": "Engade unha condición final e predeterminada ao bloque \"se\".",
+	"LOGIC_COMPARE_TOOLTIP_EQ": "Devolve verdadeiro se as dúas entradas son iguais entre si.",
+	"LOGIC_COMPARE_TOOLTIP_NEQ": "Devolve verdadeiro se as dúas entradas non son iguais entre si.",
+	"LOGIC_COMPARE_TOOLTIP_LT": "Devolve verdadeiro se a primeira entrada é menor que a segunda entrada.",
+	"LOGIC_COMPARE_TOOLTIP_LTE": "Devolve verdadeiro se a primeira entrada é menor ou igual que a segunda entrada.",
+	"LOGIC_COMPARE_TOOLTIP_GT": "Devolve verdadeiro se a primeira entrada é maior que a segunda entrada.",
+	"LOGIC_COMPARE_TOOLTIP_GTE": "Devolve verdadeiro se a primeira entrada é maior ou igual que a segunda entrada.",
+	"LOGIC_OPERATION_TOOLTIP_AND": "Devolve verdadeiro se as dúas entradas son verdadeiras.",
 	"LOGIC_OPERATION_AND": "e",
+	"LOGIC_OPERATION_TOOLTIP_OR": "Devolve verdadeiro se polo menos unha das entradas é verdadeira.",
 	"LOGIC_OPERATION_OR": "ou",
 	"LOGIC_NEGATE_TITLE": "non %1",
+	"LOGIC_NEGATE_TOOLTIP": "Devolve verdadeiro se a entrada é falsa. Devolve falso se a entrada é verdadeira.",
 	"LOGIC_BOOLEAN_TRUE": "verdadeiro",
 	"LOGIC_BOOLEAN_FALSE": "falso",
+	"LOGIC_BOOLEAN_TOOLTIP": "Devolve verdadeiro ou falso.",
 	"LOGIC_NULL": "nulo",
-	"LOGIC_NULL_TOOLTIP": "Retornar nulo.",
-	"LOGIC_TERNARY_CONDITION": "proba",
-	"LOGIC_TERNARY_IF_TRUE": "se verdadeiro",
-	"LOGIC_TERNARY_IF_FALSE": "se falso",
+	"LOGIC_NULL_TOOLTIP": "Devolve nulo.",
+	"LOGIC_TERNARY_CONDITION": "condición",
+	"LOGIC_TERNARY_IF_TRUE": "se é verdadeiro",
+	"LOGIC_TERNARY_IF_FALSE": "se é falso",
+	"LOGIC_TERNARY_TOOLTIP": "Comproba a condición que hai en \"condición\". Se a condición é verdadeira, devolve o valor de \"se é verdadeiro\"; en caso contrario, devolve o valor de \"se é falso\".",
+	"MATH_NUMBER_HELPURL": "https://gl.wikipedia.org/wiki/Número",
 	"MATH_NUMBER_TOOLTIP": "Un número.",
+	"MATH_TRIG_SIN": "sen",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asen",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
 	"MATH_ARITHMETIC_HELPURL": "https://gl.wikipedia.org/wiki/Aritmética",
-	"MATH_ARITHMETIC_TOOLTIP_ADD": "Retorna a suma de dous números.",
-	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Retorna a diferenza de dous números.",
-	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Retorna o produto de dous números.",
-	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Retorna o cociente da división de dous números.",
-	"MATH_ARITHMETIC_TOOLTIP_POWER": "Retorna o primeiro número elevado á potencia do segundo número.",
+	"MATH_ARITHMETIC_TOOLTIP_ADD": "Devolve a suma de dous números.",
+	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Devolve a diferenza de dous números.",
+	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Devolve o produto de dous números.",
+	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Devolve o cociente da división de dous números.",
+	"MATH_ARITHMETIC_TOOLTIP_POWER": "Devolve o primeiro número elevado á potencia do segundo número.",
 	"MATH_SINGLE_HELPURL": "https://gl.wikipedia.org/wiki/Raíz_cadrada",
 	"MATH_SINGLE_OP_ROOT": "raíz cadrada",
-	"MATH_SINGLE_TOOLTIP_ROOT": "Retorna a raíz cadrada dun número.",
+	"MATH_SINGLE_TOOLTIP_ROOT": "Devolve a raíz cadrada dun número.",
 	"MATH_SINGLE_OP_ABSOLUTE": "absoluto",
-	"MATH_SINGLE_TOOLTIP_ABS": "Retorna o valor absoluto dun número.",
-	"MATH_SINGLE_TOOLTIP_NEG": "Retorna o oposto dun número.",
-	"MATH_SINGLE_TOOLTIP_LN": "Retorna o logarítmo natural dun número.",
-	"MATH_SINGLE_TOOLTIP_LOG10": "Retorna o logarítmo en base 10 dun número.",
-	"MATH_SINGLE_TOOLTIP_EXP": "Retorna o número e elevado á potencia dun número.",
-	"MATH_SINGLE_TOOLTIP_POW10": "Retorna 10 elevado á potencia dun número.",
-	"MATH_TRIG_HELPURL": "https://gl.m.wikipedia.org/wiki/Función_trigonométrica",
-	"MATH_TRIG_TOOLTIP_SIN": "Retorna o seno dun grao (non radiano).",
-	"MATH_TRIG_TOOLTIP_COS": "Retorna o coseno dun grao (non radiano).",
-	"MATH_TRIG_TOOLTIP_TAN": "Retorna a tanxente dun grao (non radiano).",
-	"MATH_TRIG_TOOLTIP_ASIN": "Retorna o arco seno dum número.",
-	"MATH_TRIG_TOOLTIP_ACOS": "Retorna o arco coseno dun número.",
-	"MATH_TRIG_TOOLTIP_ATAN": "Retorna o arco tanxente dun número.",
+	"MATH_SINGLE_TOOLTIP_ABS": "Devolve o valor absoluto dun número.",
+	"MATH_SINGLE_TOOLTIP_NEG": "Devolve o oposto dun número.",
+	"MATH_SINGLE_TOOLTIP_LN": "Devolve o logaritmo natural dun número.",
+	"MATH_SINGLE_TOOLTIP_LOG10": "Devolve o logaritmo en base 10 dun número.",
+	"MATH_SINGLE_TOOLTIP_EXP": "Devolve o número e elevado á potencia dun número.",
+	"MATH_SINGLE_TOOLTIP_POW10": "Devolve 10 elevado á potencia dun número.",
+	"MATH_TRIG_HELPURL": "https://gl.wikipedia.org/wiki/Función_trigonométrica",
+	"MATH_TRIG_TOOLTIP_SIN": "Devolve o seno dun grao (non radián).",
+	"MATH_TRIG_TOOLTIP_COS": "Devolve o coseno dun grao (non radián).",
+	"MATH_TRIG_TOOLTIP_TAN": "Devolve a tanxente dun grao (non radián).",
+	"MATH_TRIG_TOOLTIP_ASIN": "Devolve o arcoseno dun número.",
+	"MATH_TRIG_TOOLTIP_ACOS": "Devolve o arcocoseno dun número.",
+	"MATH_TRIG_TOOLTIP_ATAN": "Devolve o arcotanxente dun número.",
 	"MATH_CONSTANT_HELPURL": "https://gl.wikipedia.org/wiki/Constante_matemática",
-	"MATH_CONSTANT_TOOLTIP": "Retorna unha das constantes comúns: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), ou ∞ (infinito).",
+	"MATH_CONSTANT_TOOLTIP": "Devolve unha das constantes comúns: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…) ou ∞ (infinito).",
 	"MATH_IS_EVEN": "é par",
 	"MATH_IS_ODD": "é impar",
 	"MATH_IS_PRIME": "é primo",
@@ -108,46 +147,192 @@
 	"MATH_IS_POSITIVE": "é positivo",
 	"MATH_IS_NEGATIVE": "é negativo",
 	"MATH_IS_DIVISIBLE_BY": "é divisíbel por",
-	"MATH_IS_TOOLTIP": "Verifica se un número é par, impar, primo, enteiro, positivo, negativo, ou se é divisíbel por outro número.  Retorna verdadeiro ou falso.",
+	"MATH_IS_TOOLTIP": "Verifica se un número é par, impar, primo, enteiro, positivo, negativo ou se é divisíbel por outro número. Devolve verdadeiro ou falso.",
 	"MATH_CHANGE_TITLE": "mudar %1 por %2",
-	"MATH_CHANGE_TOOLTIP": "Suma un número á variábel '%1'.",
+	"MATH_CHANGE_TOOLTIP": "Suma un número á variable \"%1\".",
 	"MATH_ROUND_HELPURL": "https://gl.wikipedia.org/wiki/Arredondamento",
-	"MATH_ROUND_TOOLTIP": "Arredonda un número cara enriba ou cara abaixo.",
-	"MATH_ROUND_OPERATOR_ROUND": "arredonda",
-	"MATH_ROUND_OPERATOR_ROUNDUP": "arredonda cara arriba",
-	"MATH_ROUND_OPERATOR_ROUNDDOWN": "arredonda cara abaixo",
-	"MATH_ONLIST_OPERATOR_SUM": "suma da listaxe",
-	"MATH_ONLIST_TOOLTIP_SUM": "Retorna a suma de tódolos números da listaxe.",
-	"MATH_ONLIST_OPERATOR_MIN": "menor dunha listaxe",
-	"MATH_ONLIST_TOOLTIP_MIN": "Retorna o menor número da listaxe.",
-	"MATH_ONLIST_OPERATOR_MAX": "maior dunha listaxe",
-	"MATH_ONLIST_TOOLTIP_MAX": "Retorna o maior número da listaxe",
-	"MATH_ONLIST_OPERATOR_AVERAGE": "media dunha listaxe",
+	"MATH_ROUND_TOOLTIP": "Arredonda un número cara a arriba ou cara a abaixo.",
+	"MATH_ROUND_OPERATOR_ROUND": "arredondar",
+	"MATH_ROUND_OPERATOR_ROUNDUP": "arredondar cara a arriba",
+	"MATH_ROUND_OPERATOR_ROUNDDOWN": "arredondar cara a abaixo",
+	"MATH_ONLIST_OPERATOR_SUM": "suma da lista",
+	"MATH_ONLIST_TOOLTIP_SUM": "Devolve a suma de tódolos números da lista.",
+	"MATH_ONLIST_OPERATOR_MIN": "menor da lista",
+	"MATH_ONLIST_TOOLTIP_MIN": "Devolve o número máis pequeno da lista.",
+	"MATH_ONLIST_OPERATOR_MAX": "maior da lista",
+	"MATH_ONLIST_TOOLTIP_MAX": "Devolve o número máis grande da lista.",
+	"MATH_ONLIST_OPERATOR_AVERAGE": "media da lista",
+	"MATH_ONLIST_TOOLTIP_AVERAGE": "Devolve a media aritmética dos valores numéricos da lista.",
+	"MATH_ONLIST_OPERATOR_MEDIAN": "mediana da lista",
+	"MATH_ONLIST_TOOLTIP_MEDIAN": "Devolve a mediana da lista.",
+	"MATH_ONLIST_OPERATOR_MODE": "moda da lista",
+	"MATH_ONLIST_TOOLTIP_MODE": "Devolve a lista do(s) elemento(s) máis comúns na lista.",
+	"MATH_ONLIST_OPERATOR_STD_DEV": "desviación típica da lista",
+	"MATH_ONLIST_TOOLTIP_STD_DEV": "Devolve a desviación típica da lista.",
+	"MATH_ONLIST_OPERATOR_RANDOM": "elemento aleatorio da lista",
+	"MATH_ONLIST_TOOLTIP_RANDOM": "Devolve un elemento aleatorio da lista.",
+	"MATH_MODULO_TITLE": "resto de %1 / %2",
+	"MATH_MODULO_TOOLTIP": "Devolve o resto de dividir os dous números.",
+	"MATH_CONSTRAIN_TITLE": "limitar %1 entre %2 e %3",
+	"MATH_CONSTRAIN_TOOLTIP": "Restrinxir un número para que estea entre os límites especificados (incluídos).",
+	"MATH_RANDOM_INT_TITLE": "enteiro aleatorio entre %1 e %2",
+	"MATH_RANDOM_INT_TOOLTIP": "Devolve un número enteiro aleatorio entre os dous límites especificados (incluídos).",
+	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "fracción aleatoria",
+	"MATH_RANDOM_FLOAT_TOOLTIP": "Devolve unha fracción aleatoria entre 0,0 (incluído) e 1,0 (excluído).",
+	"MATH_ATAN2_TITLE": "atan2 de X:%1 Y:%2",
+	"MATH_ATAN2_TOOLTIP": "Devolve o arcotanxente do punto (X, Y) en graos de -180 a 180.",
+	"TEXT_TEXT_TOOLTIP": "Unha letra, palabra ou liña de texto.",
+	"TEXT_JOIN_TITLE_CREATEWITH": "crear texto con",
+	"TEXT_JOIN_TOOLTIP": "Crea un fragmento de texto unindo calquera número de elementos.",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "unir",
+	"TEXT_CREATE_JOIN_TOOLTIP": "Engade, elimina ou reordena as seccións para reconfigurar este bloque de texto.",
+	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "Engade un elemento ao texto.",
+	"TEXT_APPEND_TITLE": "a %1 anexar o texto %2",
+	"TEXT_APPEND_TOOLTIP": "Engade algo de texto á variable \"%1\".",
+	"TEXT_LENGTH_TITLE": "lonxitude de %1",
+	"TEXT_LENGTH_TOOLTIP": "Devolve o número de letras (incluídos os espazos) do texto proporcionado.",
+	"TEXT_ISEMPTY_TITLE": "%1 está baleiro",
+	"TEXT_ISEMPTY_TOOLTIP": "Devolve verdadeiro se o texto proporcionado está baleiro.",
+	"TEXT_INDEXOF_TOOLTIP": "Devolve o índice da primeira/derradeira aparición do primeiro texto no segundo texto. Devolve %1 se non se atopa o texto.",
+	"TEXT_INDEXOF_TITLE": "no texto %1 %2 %3",
+	"TEXT_INDEXOF_OPERATOR_FIRST": "atopar a primeira aparición do texto",
+	"TEXT_INDEXOF_OPERATOR_LAST": "atopar a derradeira aparición do texto",
+	"TEXT_CHARAT_TITLE": "no texto %1 %2",
+	"TEXT_CHARAT_FROM_START": "obter a letra #",
+	"TEXT_CHARAT_FROM_END": "obter a letra # desde o final",
+	"TEXT_CHARAT_FIRST": "obter a primeira letra",
+	"TEXT_CHARAT_LAST": "obter a derradeira letra",
+	"TEXT_CHARAT_RANDOM": "obter unha letra aleatoria",
+	"TEXT_CHARAT_TOOLTIP": "Devolve a letra que está na posición especificada.",
+	"TEXT_GET_SUBSTRING_TOOLTIP": "Devolve unha parte especificada do texto.",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "no texto",
-	"TEXT_PRINT_TITLE": "imprime %1",
-	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "listaxe",
-	"LISTS_ISEMPTY_TITLE": "%1 atópase baleira",
-	"LISTS_ISEMPTY_TOOLTIP": "Retona verdadeiro se a listaxe atópase baleira.",
-	"LISTS_INLIST": "na listaxe",
+	"TEXT_GET_SUBSTRING_START_FROM_START": "obter a subcadea desde a letra #",
+	"TEXT_GET_SUBSTRING_START_FROM_END": "obter a subcadea desde a letra # desde o final",
+	"TEXT_GET_SUBSTRING_START_FIRST": "obter a subcadea desde a primeira letra",
+	"TEXT_GET_SUBSTRING_END_FROM_START": "ata a letra #",
+	"TEXT_GET_SUBSTRING_END_FROM_END": "ata a letra # desde o final",
+	"TEXT_GET_SUBSTRING_END_LAST": "ata a derradeira letra",
+	"TEXT_CHANGECASE_TOOLTIP": "Devolve unha copia do texto nun caso diferente.",
+	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "en MAIÚSCULAS",
+	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "en minúsculas",
+	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "en Maiúsculas Iniciais",
+	"TEXT_TRIM_TOOLTIP": "Devolve unha copia do texto cos espazos eliminados dun extremo ou de ambos.",
+	"TEXT_TRIM_OPERATOR_BOTH": "eliminar os espazos de ambos os lados",
+	"TEXT_TRIM_OPERATOR_LEFT": "eliminar os espazos do lado esquerdo de",
+	"TEXT_TRIM_OPERATOR_RIGHT": "eliminar os espazos do lado dereito de",
+	"TEXT_PRINT_TITLE": "imprimir %1",
+	"TEXT_PRINT_TOOLTIP": "Imprime o texto, o número ou outro valor especificado.",
+	"TEXT_PROMPT_TYPE_TEXT": "solicitar un texto coa mensaxe",
+	"TEXT_PROMPT_TYPE_NUMBER": "solicitar un número coa mensaxe",
+	"TEXT_PROMPT_TOOLTIP_NUMBER": "Solicitar un número ao usuario.",
+	"TEXT_PROMPT_TOOLTIP_TEXT": "Solicitar un texto ao usuario.",
+	"TEXT_COUNT_MESSAGE0": "contar %1 en %2",
+	"TEXT_COUNT_TOOLTIP": "Conta cantas veces aparece un texto dentro doutro texto.",
+	"TEXT_REPLACE_MESSAGE0": "substituír %1 por %2 en %3",
+	"TEXT_REPLACE_TOOLTIP": "Substitúe todas as aparicións dun texto dentro doutro texto.",
+	"TEXT_REVERSE_MESSAGE0": "inverter %1",
+	"TEXT_REVERSE_TOOLTIP": "Inverte a orde dos caracteres do texto.",
+	"LISTS_CREATE_EMPTY_TITLE": "crear unha lista baleira",
+	"LISTS_CREATE_EMPTY_TOOLTIP": "Devolve unha lista, de lonxitude 0, que non contén rexistros de datos",
+	"LISTS_CREATE_WITH_TOOLTIP": "Crea unha lista con calquera número de elementos.",
+	"LISTS_CREATE_WITH_INPUT_WITH": "crear lista con",
+	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "lista",
+	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "Engade, elimina ou reordena as seccións para reconfigurar este bloque de lista.",
+	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "Engade un elemento á lista.",
+	"LISTS_REPEAT_TOOLTIP": "Crea unha lista composta polo valor indicado repetido o número especificado de veces.",
+	"LISTS_REPEAT_TITLE": "crear unha lista co elemento %1 repetido %2 veces",
+	"LISTS_LENGTH_TITLE": "lonxitude de %1",
+	"LISTS_LENGTH_TOOLTIP": "Devolve a lonxitude dunha lista.",
+	"LISTS_ISEMPTY_TITLE": "%1 está baleira",
+	"LISTS_ISEMPTY_TOOLTIP": "Devolve verdadeiro se a lista está baleira.",
+	"LISTS_INLIST": "na lista",
+	"LISTS_INDEX_OF_FIRST": "atopar a primeira aparición do elemento",
+	"LISTS_INDEX_OF_LAST": "atopar a derradeira aparición do elemento",
+	"LISTS_INDEX_OF_TOOLTIP": "Devolve o índice da primeira/derradeira aparición do primeiro elemento na lista. Devolve %1 se non se atopa o elemento.",
+	"LISTS_GET_INDEX_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list",
+	"LISTS_GET_INDEX_GET": "obter",
+	"LISTS_GET_INDEX_GET_REMOVE": "obter e eliminar",
+	"LISTS_GET_INDEX_REMOVE": "eliminar",
+	"LISTS_GET_INDEX_FROM_START": "#",
+	"LISTS_GET_INDEX_FROM_END": "# dende o final",
 	"LISTS_GET_INDEX_FIRST": "primeiro",
 	"LISTS_GET_INDEX_LAST": "derradeiro",
-	"LISTS_GET_INDEX_RANDOM": "ó chou",
+	"LISTS_GET_INDEX_RANDOM": "ao chou",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 é o primeiro elemento.",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 é o derradeiro elemento.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "Devolve o elemento na posición especificada dunha lista.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_FIRST": "Devolve o primeiro elemento dunha lista.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_LAST": "Devolve o derradeiro elemento dunha lista.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_RANDOM": "Devolve un elemento aleatorio dunha lista.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM": "Elimina e devolve o elemento na posición especificada dunha lista.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST": "Elimina e devolve o primeiro elemento dunha lista.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST": "Elimina e devolve o derradeiro elemento dunha lista.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM": "Elimina e devolve un elemento aleatorio dunha lista.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM": "Elimina e devolve o elemento na posición especificada dunha lista.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST": "Elimina o primeiro elemento dunha lista.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST": "Elimina o derradeiro elemento dunha lista.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM": "Elimina un elemento aleatorio dunha lista.",
 	"LISTS_SET_INDEX_SET": "definir",
 	"LISTS_SET_INDEX_INSERT": "inserir en",
 	"LISTS_SET_INDEX_INPUT_TO": "como",
-	"LISTS_SORT_TOOLTIP": "Ordear unha copia dunha listaxe.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_FROM": "Define o elemento na posición especificada dunha lista.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_FIRST": "Define o primeiro elemento dunha lista.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_LAST": "Define o derradeiro elemento dunha lista.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_RANDOM": "Define un elemento aleatorio nunha lista.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_FROM": "Insire o elemento na posición especificada dunha lista.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "Insire o elemento ao comezo dunha lista.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Engade o elemento ao final dunha lista.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "Insire o elemento de forma aleatoria nunha lista.",
+	"LISTS_GET_SUBLIST_START_FROM_START": "obter a sublista desde #",
+	"LISTS_GET_SUBLIST_START_FROM_END": "obter a sublista desde # desde o final",
+	"LISTS_GET_SUBLIST_START_FIRST": "obter a sublista desde o primeiro",
+	"LISTS_GET_SUBLIST_END_FROM_START": "ata #",
+	"LISTS_GET_SUBLIST_END_FROM_END": "ata # desde o final",
+	"LISTS_GET_SUBLIST_END_LAST": "ata o final",
+	"LISTS_GET_SUBLIST_TOOLTIP": "Crea unha copia da parte especificada dunha lista.",
+	"LISTS_SORT_TITLE": "ordenar %1 %2 %3",
+	"LISTS_SORT_TOOLTIP": "Ordenar unha copia dunha lista.",
 	"LISTS_SORT_ORDER_ASCENDING": "ascendente",
 	"LISTS_SORT_ORDER_DESCENDING": "descendente",
 	"LISTS_SORT_TYPE_NUMERIC": "numérica",
 	"LISTS_SORT_TYPE_TEXT": "alfabética",
-	"LISTS_SORT_TYPE_IGNORECASE": "alfabética, iñorar maiúsculas/minúsculas",
-	"PROCEDURES_DEFNORETURN_TITLE": "cara",
+	"LISTS_SORT_TYPE_IGNORECASE": "alfabética, ignorar as maiúsculas e minúsculas",
+	"LISTS_SPLIT_LIST_FROM_TEXT": "elaborar unha lista a partir do texto",
+	"LISTS_SPLIT_TEXT_FROM_LIST": "elaborar un texto a partir da lista",
+	"LISTS_SPLIT_WITH_DELIMITER": "con delimitador",
+	"LISTS_SPLIT_TOOLTIP_SPLIT": "Divide o texto nunha lista de textos, rompéndoo en cada delimitador.",
+	"LISTS_SPLIT_TOOLTIP_JOIN": "Une unha lista de textos nun texto, separados por un delimitador.",
+	"LISTS_REVERSE_MESSAGE0": "inverter %1",
+	"LISTS_REVERSE_TOOLTIP": "Inverter unha copia dunha lista.",
+	"VARIABLES_GET_TOOLTIP": "Devolve o valor desta variable.",
+	"VARIABLES_GET_CREATE_SET": "Crear \"definir %1\"",
+	"VARIABLES_SET": "definir %1 como %2",
+	"VARIABLES_SET_TOOLTIP": "Establece esta variable para que sexa igual á entrada.",
+	"VARIABLES_SET_CREATE_GET": "Crear \"obter %1\"",
+	"PROCEDURES_DEFNORETURN_TITLE": "para",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "facer algo",
 	"PROCEDURES_BEFORE_PARAMS": "con:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "con:",
-	"PROCEDURES_DEFRETURN_RETURN": "retornar",
-	"PROCEDURES_MUTATORCONTAINER_TITLE": "entradas"
+	"PROCEDURES_CALL_DISABLED_DEF_WARNING": "Non se pode executar a función \"%1\" definida polo usuario porque o bloque de definición está desactivado.",
+	"PROCEDURES_DEFNORETURN_TOOLTIP": "Crea unha función sen devolución.",
+	"PROCEDURES_DEFNORETURN_COMMENT": "Describe esta función...",
+	"PROCEDURES_DEFRETURN_RETURN": "devolver",
+	"PROCEDURES_DEFRETURN_TOOLTIP": "Crea unha función con devolución.",
+	"PROCEDURES_ALLOW_STATEMENTS": "permitir instrucións",
+	"PROCEDURES_DEF_DUPLICATE_WARNING": "Aviso: Esta función ten parámetros duplicados.",
+	"PROCEDURES_CALLNORETURN_TOOLTIP": "Executa a función definida polo usuario \"%1\".",
+	"PROCEDURES_CALLRETURN_TOOLTIP": "Executa a función definida polo usuario \"%1\" e usa a súa devolución.",
+	"PROCEDURES_MUTATORCONTAINER_TITLE": "entradas",
+	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Engade, elimina ou reordena as entradas desta función.",
+	"PROCEDURES_MUTATORARG_TITLE": "nome da entrada:",
+	"PROCEDURES_MUTATORARG_TOOLTIP": "Engade unha entrada á función.",
+	"PROCEDURES_HIGHLIGHT_DEF": "Destacar a definición da función",
+	"PROCEDURES_CREATE_DO": "Crear \"%1\"",
+	"PROCEDURES_IFRETURN_TOOLTIP": "Se un valor é verdadeiro, devolve un segundo valor.",
+	"PROCEDURES_IFRETURN_WARNING": "Aviso: Este bloque só se pode usar dentro da definición dunha función.",
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Di algo...",
+	"WORKSPACE_ARIA_LABEL": "Espazo de traballo do Blockly",
+	"COLLAPSED_WARNINGS_WARNING": "Os bloques contraídos conteñen avisos.",
+	"DIALOG_OK": "Aceptar",
+	"DIALOG_CANCEL": "Cancelar"
 }
diff --git a/msg/json/gn.json b/msg/json/gn.json
new file mode 100644
index 00000000000..0ef0e94c293
--- /dev/null
+++ b/msg/json/gn.json
@@ -0,0 +1,54 @@
+{
+	"@metadata": {
+		"authors": [
+			"P. S. F. Freitas"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "temimoĩmby",
+	"UNNAMED_KEY": "hera'ỹva",
+	"TODAY": "Ko ára",
+	"DUPLICATE_BLOCK": "Momokõi",
+	"ADD_COMMENT": "Ñeimo'ã",
+	"REMOVE_COMMENT": "Toipe'a Ñeimo'ã",
+	"DUPLICATE_COMMENT": "Toñemokõi Ñeimo'ã",
+	"EXTERNAL_INPUTS": "Jeikeha Okapegua",
+	"INLINE_INPUTS": "Jeikeha Pypegua",
+	"DELETE_BLOCK": "Tojeipe'a Atýra",
+	"DELETE_X_BLOCKS": "Tojeipe'a %1 Atýra",
+	"DELETE_ALL_BLOCKS": "Reipe'asépa opa %1 atýra?",
+	"CLEAN_UP": "Toñemopotĩ Atýra kuéra",
+	"COLLAPSE_BLOCK": "Toñemomichĩ Atýra",
+	"COLLAPSE_ALL": "Toñemomichĩ Atýra kuéra",
+	"EXPAND_BLOCK": "Toñembotuicha Atýra",
+	"EXPAND_ALL": "Toñembotuicha Atýra kuéra",
+	"DISABLE_BLOCK": "Toñemboiko'ỹ Atýra",
+	"ENABLE_BLOCK": "Toñemboiko Atýra",
+	"HELP": "Pytyvõhára",
+	"UNDO": "Emboguevi",
+	"REDO": "Jey",
+	"CHANGE_VALUE_TITLE": "Tepy ñemoambueː",
+	"COLOUR_RGB_RED": "pytã",
+	"COLOUR_RGB_GREEN": "hovyũ",
+	"COLOUR_RGB_BLUE": "hovy",
+	"COLOUR_RGB_TOOLTIP": "Ejapo hag̃ua peteĩ sa'y eñembopara pytã, hovyũ ha hovy. Opa papaha oĩ va'erã 0 ha 100 imbytépe.",
+	"COLOUR_BLEND_TITLE": "mbopara",
+	"COLOUR_BLEND_COLOUR1": "sa'y 1",
+	"COLOUR_BLEND_COLOUR2": "sa'y 2",
+	"COLOUR_BLEND_RATIO": "jojaha",
+	"CONTROLS_REPEAT_INPUT_DO": "japo",
+	"LOGIC_OPERATION_AND": "ha",
+	"LOGIC_OPERATION_OR": "térã",
+	"LOGIC_BOOLEAN_TRUE": "añete",
+	"LOGIC_BOOLEAN_FALSE": "japu",
+	"LOGIC_NULL": "mba'evegua",
+	"LOGIC_TERNARY_CONDITION": "ñeha'ã",
+	"LOGIC_TERNARY_IF_TRUE": "iñañetérõ",
+	"LOGIC_TERNARY_IF_FALSE": "ijapúrõ",
+	"MATH_ARITHMETIC_HELPURL": "https://es.wikipedia.org/wiki/Aritmética",
+	"TEXT_ISEMPTY_TITLE": "%1 inandi",
+	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "tysýi",
+	"LISTS_SORT_TYPE_NUMERIC": "papaha rupi",
+	"LISTS_SORT_TYPE_TEXT": "achengety rupi",
+	"LISTS_SORT_TYPE_IGNORECASE": "achengety rupi, taiguasu ha tai'i jehecha'ỹre",
+	"DIALOG_OK": "Oĩma"
+}
diff --git a/msg/json/gor.json b/msg/json/gor.json
index 214fdae2b03..84f08d896b4 100644
--- a/msg/json/gor.json
+++ b/msg/json/gor.json
@@ -3,8 +3,8 @@
 		"authors": [
 			"Lukman Tomayahu",
 			"Marwan Mohamad",
-			"Zhoelyakin",
-			"RFenichel"
+			"RFenichel",
+			"Zhoelyakin"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "item",
@@ -43,7 +43,6 @@
 	"COLOUR_BLEND_COLOUR2": "laku 2",
 	"COLOUR_BLEND_RATIO": "rasio",
 	"COLOUR_BLEND_TOOLTIP": "Mongulawu dulo laku pe'eenta wolo rasio (0.0-1.0)",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "ulangiya %1 kali",
 	"CONTROLS_REPEAT_INPUT_DO": "pohutuwa",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "Ulangiya wonu",
@@ -54,7 +53,6 @@
 	"CONTROLS_IF_MSG_IF": "wonu",
 	"CONTROLS_IF_MSG_ELSEIF": "wonu uweewo",
 	"CONTROLS_IF_MSG_ELSE": "uweewo",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_OPERATION_AND": "wawu",
 	"LOGIC_OPERATION_OR": "meyalo",
 	"LOGIC_NEGATE_TITLE": "diila %1",
@@ -64,13 +62,8 @@
 	"LOGIC_TERNARY_CONDITION": "yimontalo",
 	"LOGIC_TERNARY_IF_TRUE": "wonu banari",
 	"LOGIC_TERNARY_IF_FALSE": "wonu tala",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "Noomoro",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "akar pangkat dua",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Return one of the common constants: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "wayito",
 	"TEXT_CREATE_JOIN_TOOLTIP": "Duhengi, yinggila, meyalo susungiya ulangi tuladu blok.",
diff --git a/msg/json/ha.json b/msg/json/ha.json
index eb1adad572e..7bf61441a15 100644
--- a/msg/json/ha.json
+++ b/msg/json/ha.json
@@ -39,7 +39,6 @@
 	"DELETE_VARIABLE_CONFIRMATION": "A goge amfanunnukan %1 na siffar '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "An kasa goge siffa '%1' sabo da tana daga sashi na bayanin aikin '%2'",
 	"DELETE_VARIABLE": "A goge siffar '%1'",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "Zaɓi launi daga faifan launuka.",
 	"COLOUR_RANDOM_TITLE": "launuka da aka hargitsa",
 	"COLOUR_RANDOM_TOOLTIP": "Zaɓi launi daga wanɗanda aka hargitsa.",
@@ -53,7 +52,6 @@
 	"COLOUR_BLEND_COLOUR2": "launi na 2",
 	"COLOUR_BLEND_RATIO": "lissafi",
 	"COLOUR_BLEND_TOOLTIP": "Ana gauraya launuka biyu tare da wani lissafi da aka bayar (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "maimaita sau %1",
 	"CONTROLS_REPEAT_INPUT_DO": "yi",
 	"CONTROLS_REPEAT_TOOLTIP": "Yi wasu bayanai sau da dama.",
@@ -80,20 +78,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Daɗa, cire, ko sake tsarin ɓangarori domin sake fasalin wannan idan bulo.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Daɗa sharaɗi zuwa idan bulo.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Daɗa na ƙarshe, sharaɗin kama-duk zuwa idan bulo.",
-	"IOS_OK": "TO",
-	"IOS_CANCEL": "Soke",
-	"IOS_ERROR": "Kuskure",
-	"IOS_PROCEDURES_INPUTS": "BAYANAI",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Daɗa Bayani",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Bar lamba",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Wannan aikin yana da kwafin bayanai.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Daɗa Siffa",
-	"IOS_VARIABLES_ADD_BUTTON": "Daɗa",
-	"IOS_VARIABLES_RENAME_BUTTON": "Sake suna",
-	"IOS_VARIABLES_DELETE_BUTTON": "Goge",
-	"IOS_VARIABLES_VARIABLE_NAME": "Sunan siffa",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Ba za ka iya amfani da sunann siffa wanda ba komai ba.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Koma gaskiya idan duk bayanan sun yi dai dai da juna.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Koma gaskiya idan duk bayanan ba su yi dai dai da juna ba.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Koma gaskiya idan bayanin farko ya fi na biyu ƙanƙanta.",
@@ -115,15 +99,12 @@
 	"LOGIC_TERNARY_IF_TRUE": "idan gaskiya ne",
 	"LOGIC_TERNARY_IF_FALSE": "idan ƙarya ne",
 	"LOGIC_TERNARY_TOOLTIP": "Duba sharaɗin a cikin 'gwaji'. Idan sharaɗin gaskiya ne, mayar da kimar 'idan gaskiya ne'; idan ba haka ba mayar da kimar 'idan ƙarya ne'.",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "Lambda.",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Dawo da jumlar lambobin guda biyu.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Dawo da bambancin lambobin guda biyu.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Dawo da ruɓin lambobin guda biyu.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Dawo da sakamakon lambobin guda biyu bayan an raba su da juna.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Dawo da lambar farko wadda aka ɗaga ta zuwa ƙarfin lamba ta biyu.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "lamba da ta ruɓanya kanta",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Dawo da wata lamba da ta ruɓanya kanta.",
 	"MATH_SINGLE_OP_ABSOLUTE": "cikakkiya",
@@ -133,14 +114,12 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Dawo da tushe 10 na jerin lambobi da aka tara ko aka ɗebe na wata lamba.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Dawo da e zuwa ƙarfin wata lamba.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Dawo da 10 zuwa ƙarfin wata lamba.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "Dawo da sine na wani gwargwado (banda layin kusurwar waje).",
 	"MATH_TRIG_TOOLTIP_COS": "Dawo da cosine na wani gwargwado (banda layin kusurwar waje).",
 	"MATH_TRIG_TOOLTIP_TAN": "Dawo da tangent na wani gwargwado (banda layin kusurwar waje).",
 	"MATH_TRIG_TOOLTIP_ASIN": "Dawo da arcsine na wata lamba.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Dawo da arccosine na wata lamba.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Dawo da arctangent na wata lamba.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Dawo da ɗaya daga cikin sanannen zaunannen lissafi: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), ko ∞ (maras iyaka).",
 	"MATH_IS_EVEN": "lamba da za a iya rabawa da biyu",
 	"MATH_IS_ODD": "lamba ce da ba za a iya rabawa da biyu ba",
@@ -150,10 +129,8 @@
 	"MATH_IS_NEGATIVE": "lamba ce da bata kai sufuli ba",
 	"MATH_IS_DIVISIBLE_BY": "lamba ce da za a iya rabawa da",
 	"MATH_IS_TOOLTIP": "Duba idan lamba ce da za a iya rabawa da biyu, lamba wadda ba za a iya rabawa da biyu ba, lamba ce kawai da za a iya rabawa da kanta, lamba ce cikakkiya,lamba ce da tafi sufuli, lamba ce da bata kai sufuli ba, lamba ce da za a iya rabawa da wata lamba. Ta dawo da gaskiya ko ƙarya.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "canza %1 da %2",
 	"MATH_CHANGE_TOOLTIP": "Daɗa wata lamba zuwa siffa '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Cika lamba sama ko ƙasa.",
 	"MATH_ROUND_OPERATOR_ROUND": "cika",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "cika sama",
@@ -174,21 +151,16 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Dawo da matakan bambance-bambance na jeri.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "bazuwar kaya na jeri",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Dawo da bazuwar kaya daga jerin.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "saura daga raba %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Dawo da saura daga raba lambobin guda biyu.",
 	"MATH_CONSTRAIN_TITLE": "ƙarfi %1 ƙasa %2 sama %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Tsare lamba tsakanin lambobi da aka fayyace masu ƙarama da babbar kima (haɗawa).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "bazuwar cikakkiyar lamba daga %1 zuwa %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Dawo da bazuwar cikakkiyar lamba tsakanin wani gwargwado da aka fayyace, haɗawa.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "ɓangare mai buzuwa",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Dawo da ɓangare mai bazuwa tsakanin 0.0 (haɗawa) da 1.0 (rabewa).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 na X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Dawo da arctangent na tsinin (X, Y) a gwargwado daga -180 zuwa 180.",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Harafi, kalma, ko layi na rubutu.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "ƙirƙiri rubutu da",
 	"TEXT_JOIN_TOOLTIP": "Ƙirƙiri guntun rubutu ta haɗa kowace lamba ta kayayyaki.",
@@ -296,7 +268,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "zuwa # daga ƙarshe",
 	"LISTS_GET_SUBLIST_END_LAST": "zuwa ƙarshe",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Ƙirƙiri kwafi na ɓangaren da aka fayyace daga wani jeri.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "ware %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Ware kwafi na jeri.",
 	"LISTS_SORT_ORDER_ASCENDING": "hawa",
@@ -326,9 +297,7 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Ya ƙirƙiri wani aiki ba tare da wani sakamako ba.",
 	"PROCEDURES_ALLOW_STATEMENTS": "ƙyale bayanai",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Gardaɗi: Wannan aikin yana da ruɓi na gazawa.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Gudanar da aiki '%1' wanda mai amfani ya ayyana.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Gudanar da aiki '%1' kuma a yi amfani da sakamakon sa.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "bayani",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Daɗa, cire, ko sake tsarin bayani na wannan aiki.",
@@ -338,5 +307,7 @@
 	"PROCEDURES_CREATE_DO": "Ƙirƙiri '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Idan wata kima gaskiya ce, to dawo da kima ta biyu.",
 	"PROCEDURES_IFRETURN_WARNING": "Gargaɗi: Za a iya amfani da wannan bulo ne kawai a cikin bayani na wani aiki.",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Faɗi wani abu..."
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Faɗi wani abu...",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Cancel"
 }
diff --git a/msg/json/hak.json b/msg/json/hak.json
new file mode 100644
index 00000000000..81f170bc004
--- /dev/null
+++ b/msg/json/hak.json
@@ -0,0 +1,17 @@
+{
+	"@metadata": {
+		"authors": [
+			"EagerLin"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "變量",
+	"DUPLICATE_BLOCK": "複製",
+	"ADD_COMMENT": "加上解釋",
+	"REMOVE_COMMENT": "移忒解釋",
+	"EXTERNAL_INPUTS": "多行輸入",
+	"INLINE_INPUTS": "單行輸入",
+	"DELETE_BLOCK": "刪忒封鎖",
+	"DELETE_X_BLOCKS": "刪忒 %1 封鎖",
+	"DIALOG_OK": "確定",
+	"DIALOG_CANCEL": "取消"
+}
diff --git a/msg/json/he.json b/msg/json/he.json
index 38b0c96a275..c5db9108e3d 100644
--- a/msg/json/he.json
+++ b/msg/json/he.json
@@ -24,19 +24,19 @@
 	"TODAY": "היום",
 	"DUPLICATE_BLOCK": "שכפל",
 	"ADD_COMMENT": "הוסף תגובה",
-	"REMOVE_COMMENT": "הסר תגובה",
+	"REMOVE_COMMENT": "הסרת תגובה",
 	"DUPLICATE_COMMENT": "שכפול ההערה",
 	"EXTERNAL_INPUTS": "קלטים חיצוניים",
 	"INLINE_INPUTS": "קלטים פנימיים",
-	"DELETE_BLOCK": "מחק קטע קוד",
+	"DELETE_BLOCK": "מחיקת קוביה",
 	"DELETE_X_BLOCKS": "מחק %1 קטעי קוד",
-	"DELETE_ALL_BLOCKS": "האם למחוק את כל %1 קטעי הקוד?",
+	"DELETE_ALL_BLOCKS": "האם למחוק את כל %1 הקוביות?",
 	"CLEAN_UP": "סידור בלוקים",
-	"COLLAPSE_BLOCK": "צמצם קטע קוד",
+	"COLLAPSE_BLOCK": "צמצום קוביה",
 	"COLLAPSE_ALL": "צמצם קטעי קוד",
-	"EXPAND_BLOCK": "הרחב קטע קוד",
+	"EXPAND_BLOCK": "הרחבת קוביה",
 	"EXPAND_ALL": "הרחב קטעי קוד",
-	"DISABLE_BLOCK": "נטרל קטע קוד",
+	"DISABLE_BLOCK": "השבתת קוביה",
 	"ENABLE_BLOCK": "הפעל קטע קוד",
 	"HELP": "עזרה",
 	"UNDO": "ביטול",
@@ -52,10 +52,11 @@
 	"NEW_VARIABLE_TITLE": "שם המשתנה החדש:",
 	"VARIABLE_ALREADY_EXISTS": "קיים כבר משתנה בשם \"%1\".",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "קיים כבר משתנה בשם \"%1\" מסוג אחר: \"%2\"",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "משנה בשם \"%1\" כבר קיים בתור פרמטר בשגרה \"%2\".",
 	"DELETE_VARIABLE_CONFIRMATION": "למחוק %1 שימושים במשתנה ‚%2’?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "אי אפשר למחוק את המשתנה \"%1\", מכיוון שהגדרת הפונקציה \"%2\" משתמשת בו.",
 	"DELETE_VARIABLE": "מחק את משתנה ה'%1'",
-	"COLOUR_PICKER_HELPURL": "http://he.wikipedia.org/wiki/%D7%A6%D7%91%D7%A2",
+	"COLOUR_PICKER_HELPURL": "https://he.wikipedia.org/wiki/צבע",
 	"COLOUR_PICKER_TOOLTIP": "בחר צבע מן הצבעים.",
 	"COLOUR_RANDOM_TITLE": "צבע אקראי",
 	"COLOUR_RANDOM_TOOLTIP": "בחר צבא אקראי.",
@@ -69,7 +70,7 @@
 	"COLOUR_BLEND_COLOUR2": "צבע 2",
 	"COLOUR_BLEND_RATIO": "יחס",
 	"COLOUR_BLEND_TOOLTIP": "מערבב שני צבעים יחד עם יחס נתון(0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "http://he.wikipedia.org/wiki/בקרת_זרימה",
+	"CONTROLS_REPEAT_HELPURL": "https://he.wikipedia.org/wiki/בקרת_זרימה",
 	"CONTROLS_REPEAT_TITLE": "חזור על הפעולה %1 פעמים",
 	"CONTROLS_REPEAT_INPUT_DO": "תעשה",
 	"CONTROLS_REPEAT_TOOLTIP": "לעשות כמה פעולות מספר פעמים.",
@@ -77,37 +78,26 @@
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "חזור עד ש...",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "כל עוד הערך הוא אמת, לעשות כמה פעולות.",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "בזמן שהערך שווה לשגוי, תעשה מספר חישובים.",
-	"CONTROLS_FOR_TITLE": "תספור עם %1 מ- %2 ל- %3 עד- %4",
+	"CONTROLS_FOR_TOOLTIP": "לעשות שהערך ‚%1’ יקבל את הערכים מהמספר ההתחלתי עד המספר הסופי, בהתאם למרווח שהוגדר, ולבצע את הקוביות הנבחרות.",
+	"CONTROLS_FOR_TITLE": "תספור עם %1 מ־%2 עד %3 בצעדי %4",
 	"CONTROLS_FOREACH_TITLE": "לכל פריט %1 ברשימה %2",
 	"CONTROLS_FOREACH_TOOLTIP": "לכל פריט ברשימה, להגדיר את המשתנה '%1' לפריט הזה, ולאחר מכן לעשות כמה פעולות.",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "צא מהלולאה",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "המשך עם האיטרציה הבאה של הלולאה",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "צא אל מחוץ ללולאה הכוללת.",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "דלג על שאר הלולאה והמשך עם האיטרציה הבאה.",
-	"CONTROLS_FLOW_STATEMENTS_WARNING": "אזהרה: בלוק זה עשוי לשמש רק בתוך לולאה.",
+	"CONTROLS_FLOW_STATEMENTS_WARNING": "אזהרה: קוביה זו עשויה לשמש רק בתוך לולאה.",
 	"CONTROLS_IF_TOOLTIP_1": "אם ערך נכון, לבצע כמה פעולות.",
-	"CONTROLS_IF_TOOLTIP_2": "אם הערך הוא אמת, לבצע את הבלוק הראשון של הפעולות. אחרת, לבצע את הבלוק השני של הפעולות.",
-	"CONTROLS_IF_TOOLTIP_3": "אם הערך הראשון הוא אמת, לבצע את הבלוק הראשון של הפעולות. אחרת, אם הערך השני הוא אמת, לבצע את הבלוק השני של הפעולות.",
-	"CONTROLS_IF_TOOLTIP_4": "אם הערך הראשון הוא אמת, לבצע את הבלוק הראשון של הפעולות. אחרת, אם הערך השני הוא אמת, לבצע את הבלוק השני של הפעולות. אם אף אחד מהם אינו נכון, לבצע את הבלוק האחרון של הפעולות.",
+	"CONTROLS_IF_TOOLTIP_2": "אם הערך הוא אמת, לבצע את קוביית הפעולות הראשונה. אחרת, לבצע את קוביית הפעולות השנייה.",
+	"CONTROLS_IF_TOOLTIP_3": "אם הערך הראשון הוא אמת, לבצע את קוביית הפעולות הראשונה. אחרת, אם הערך השני הוא אמת, לבצע את קוביית הפעולות השנייה.",
+	"CONTROLS_IF_TOOLTIP_4": "אם הערך הראשון הוא אמת, לבצע את קוביית הפעולות הראשונה. אחרת, אם הערך השני הוא אמת, לבצע את קוביית הפעולות השנייה. אם אף אחד מהם אינו נכון, לבצע את קוביית הפעולות האחרונה.",
 	"CONTROLS_IF_MSG_IF": "אם",
 	"CONTROLS_IF_MSG_ELSEIF": "אחרת אם",
 	"CONTROLS_IF_MSG_ELSE": "אחרת",
-	"CONTROLS_IF_IF_TOOLTIP": "תוסיף, תמחק, או תסדר מחדש כדי להגדיר מחדש את הבלוק If.",
+	"CONTROLS_IF_IF_TOOLTIP": "ניתן להוסיף, למחוק או לסדר מחדש כדי להגדיר מחדש את קוביית ההתניה (If).",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "תוסיף תנאי לבלוק If.",
-	"CONTROLS_IF_ELSE_TOOLTIP": "לסיום, כל התנאים תקפים לגבי בלוק If.",
-	"IOS_OK": "אישור",
-	"IOS_CANCEL": "ביטול",
-	"IOS_ERROR": "שגיאה",
-	"IOS_PROCEDURES_INPUTS": "קלטים",
-	"IOS_PROCEDURES_ADD_INPUT": "+ הוספת קלט",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "לאפשר פעולות",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "לפונקציה יש קלטים כפולים.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ הוספת משתנה",
-	"IOS_VARIABLES_ADD_BUTTON": "הוספה",
-	"IOS_VARIABLES_RENAME_BUTTON": "שינוי שם",
-	"IOS_VARIABLES_DELETE_BUTTON": "מחיקה",
-	"IOS_VARIABLES_VARIABLE_NAME": "שם המשתנה",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "לא ניתן להזין שם ריק למשתנה.",
+	"CONTROLS_IF_ELSE_TOOLTIP": "ניתן להוסיף תנאי סופי שלוכד את כולם לקוביית ההתניה (If).",
+	"LOGIC_COMPARE_HELPURL": "https://he.wikipedia.org/wiki/אי-שוויון_(מתמטיקה)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "תחזיר נכון אם שני הקלטים שווים אחד לשני.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "תחזיר אמת אם שני הקלטים אינם שווים זה לזה.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "תחזיר אמת (true) אם הקלט הראשון הוא קטן יותר מאשר הקלט השני.",
@@ -115,7 +105,7 @@
 	"LOGIC_COMPARE_TOOLTIP_GT": "תחזיר נכון אם הקלט הראשון גדול יותר מהקלט השני.",
 	"LOGIC_COMPARE_TOOLTIP_GTE": "תחזיר נכון אם הקלט הראשון גדול יותר או שווה לכניסה השנייה.",
 	"LOGIC_OPERATION_TOOLTIP_AND": "תחזיר נכון אם שני הקלטים נכונים.",
-	"LOGIC_OPERATION_AND": "ו",
+	"LOGIC_OPERATION_AND": "וגם",
 	"LOGIC_OPERATION_TOOLTIP_OR": "תחזיר נכון אם מתקיים לפחות אחד מהקלטים נכונים.",
 	"LOGIC_OPERATION_OR": "או",
 	"LOGIC_NEGATE_TITLE": "לא %1",
@@ -131,11 +121,6 @@
 	"LOGIC_TERNARY_TOOLTIP": "בדוק את התנאי ב'מבחן'. אם התנאי נכון, תחזיר את הערך 'אם נכון'; אחרת תחזיר את הערך 'אם שגוי'.",
 	"MATH_NUMBER_HELPURL": "https://he.wikipedia.org/wiki/מספר_ממשי",
 	"MATH_NUMBER_TOOLTIP": "מספר.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tan",
@@ -206,11 +191,17 @@
 	"MATH_RANDOM_INT_HELPURL": "https://he.wikipedia.org/wiki/מחולל_מספרים_אקראיים",
 	"MATH_RANDOM_INT_TITLE": "מספר שלם אקראי בין %1 ל-%2 (כולל)",
 	"MATH_RANDOM_INT_TOOLTIP": "החזרת מספר שלם, חיובי ואקראי בין שני הגבולות שהוגדרו, כולל.",
+	"MATH_RANDOM_FLOAT_HELPURL": "https://he.wikipedia.org/wiki/מחולל_מספרים_אקראיים",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "שבר אקראי",
+	"MATH_RANDOM_FLOAT_TOOLTIP": "מחזיר שבר אקראי בין 0.0 (כולל) עד 1.0 (כולל).",
+	"MATH_ATAN2_TITLE": "atan2 של X:%1 Y:%2",
+	"MATH_ATAN2_TOOLTIP": "מחזיר את הארכטנגנס של נקודה (X, Y) במעלות מ־‎-180 עד 180.",
 	"TEXT_TEXT_HELPURL": "https://he.wikipedia.org/wiki/מחרוזת_(מדעי_המחשב)",
 	"TEXT_TEXT_TOOLTIP": "אות, מילה, או שורת טקסט.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "יצירת טקסט עם",
+	"TEXT_JOIN_TOOLTIP": "יצירת מקטע טקסט על ידי צירוף של כמות כלשהי של פריטים יחדיו.",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "צירוף",
+	"TEXT_CREATE_JOIN_TOOLTIP": "ניתן להוסיף, להסיר או לסדר מחדש סעיפים כדי להגדיר את קוביית הטקסט הזאת מחדש.",
 	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "הוספת פריט לטקסט.",
 	"TEXT_APPEND_TITLE": "אל %1 הוספת טקסט %2",
 	"TEXT_APPEND_TOOLTIP": "הוספת טקסט למשתנה ‚%1’.",
@@ -251,12 +242,18 @@
 	"TEXT_PROMPT_TYPE_NUMBER": "בקשה למספר עם הודעה",
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "בקש מהמשתמש מספר.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "בקשה למשתמש להזין טקסט כלשהו.",
+	"TEXT_COUNT_MESSAGE0": "לספור %1 ב־%2",
+	"TEXT_COUNT_TOOLTIP": "סופרת כמה פעמים טקסט מסוים מופיע בתוך טקסט אחר.",
+	"TEXT_REPLACE_MESSAGE0": "החלפת %1 בביטוי %2 בתוך %3",
+	"TEXT_REPLACE_TOOLTIP": "מחליפה את כל המופעים של טקסט מסוים בתוך טקסט אחר.",
+	"TEXT_REVERSE_MESSAGE0": "היפוך %1",
+	"TEXT_REVERSE_TOOLTIP": "הופכת את הסדר של התווים בטקסט.",
 	"LISTS_CREATE_EMPTY_TITLE": "צור רשימה ריקה",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "החזר רשימה,באורך 0, המכילה רשומות נתונים",
 	"LISTS_CREATE_WITH_TOOLTIP": "צור רשימה עם כל מספר של פריטים.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "צור רשימה עם",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "רשימה",
-	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "תוסיף, תמחק, או תסדר מחדש כדי להגדיר מחדש את הבלוק If.",
+	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "ניתן להוסיף, למחוק או לסדר מחדש סעיפים כדי להגדיר מחדש את קוביית הרשימה הזאת.",
 	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "הוסף פריט לרשימה.",
 	"LISTS_REPEAT_TOOLTIP": "יוצר רשימה המורכבת מהערך נתון חוזר מספר פעמים שצוין.",
 	"LISTS_REPEAT_TITLE": "ליצור רשימה עם הפריט %1 %2 פעמים",
@@ -308,7 +305,7 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "ל # מהסוף",
 	"LISTS_GET_SUBLIST_END_LAST": "לאחרון",
 	"LISTS_GET_SUBLIST_TOOLTIP": "יוצרת עותק של חלק מסוים מהרשימה.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
+	"LISTS_SORT_TITLE": "מיון %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "מיון עותק של הרשימה.",
 	"LISTS_SORT_ORDER_ASCENDING": "סדר עולה",
 	"LISTS_SORT_ORDER_DESCENDING": "סדר יורד",
@@ -317,6 +314,11 @@
 	"LISTS_SORT_TYPE_IGNORECASE": "סדר אלפביתי, לא תלוי רישיות",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "יצירת רשימה מטקסט",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "יצירת טקסט מרשימה",
+	"LISTS_SPLIT_WITH_DELIMITER": "עם מפריד",
+	"LISTS_SPLIT_TOOLTIP_SPLIT": "פיצול טקסט לרשימה של טקסטים, יחתכו לפי תו הפרדה.",
+	"LISTS_SPLIT_TOOLTIP_JOIN": "צירוף רשימת טקסטים לטקסט אחד, מופרדים בתו הפרדה.",
+	"LISTS_REVERSE_MESSAGE0": "היפוך %1",
+	"LISTS_REVERSE_TOOLTIP": "היפוך עותק של רשימה.",
 	"VARIABLES_GET_TOOLTIP": "להחזיר את הערך של משתנה זה.",
 	"VARIABLES_GET_CREATE_SET": "ליצור 'הגדר %1'",
 	"VARIABLES_SET": "הגדר %1 ל- %2",
@@ -340,10 +342,13 @@
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "הוסף, הסר או סדר מחדש קלטים לפונקציה זו",
 	"PROCEDURES_MUTATORARG_TITLE": "שם הקלט:",
 	"PROCEDURES_MUTATORARG_TOOLTIP": "הוסף קלט לפונקציה",
-	"PROCEDURES_HIGHLIGHT_DEF": "הדגש הגדרה של פונקציה",
+	"PROCEDURES_HIGHLIGHT_DEF": "להדגיש הגדרה של פונקציה",
 	"PROCEDURES_CREATE_DO": "ליצור '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "אם ערך נכון, אז להחזיר ערך שני.",
-	"PROCEDURES_IFRETURN_WARNING": "אזהרה: בלוק זה עשוי לשמש רק בתוך הגדרה של פונקציה.",
+	"PROCEDURES_IFRETURN_WARNING": "אזהרה: קוביה זו עשויה לשמש רק בתוך הגדרה של פונקציה.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "נא להזין הערה...",
-	"WORKSPACE_ARIA_LABEL": "סביבת העבודה חסומה"
+	"WORKSPACE_ARIA_LABEL": "סביבת העבודה בלוקלי",
+	"COLLAPSED_WARNINGS_WARNING": "קוביות מצומצמות מכילות אזהרות.",
+	"DIALOG_OK": "אישור",
+	"DIALOG_CANCEL": "ביטול"
 }
diff --git a/msg/json/hi.json b/msg/json/hi.json
index 0262f521571..6103b5bb7bf 100644
--- a/msg/json/hi.json
+++ b/msg/json/hi.json
@@ -1,6 +1,7 @@
 {
 	"@metadata": {
 		"authors": [
+			"Abijeet Patro",
 			"Bl707",
 			"Earlyengineers",
 			"Nilesh shukla",
@@ -45,7 +46,6 @@
 	"DELETE_VARIABLE_CONFIRMATION": "'%2' चर के %1 उपयोग को हटाएँ?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "चर '%1' को नहीं हटा सकता क्योंकि यह फ़ंक्शन '%2' की परिभाषा का हिस्सा है",
 	"DELETE_VARIABLE": "'%1' चर को हटाएँ",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "पैलेट से एक रंग चुनें।",
 	"COLOUR_RANDOM_TITLE": "कोई भी रंग",
 	"COLOUR_RANDOM_TOOLTIP": "कोई भी एक रंग का चयन करें।",
@@ -59,7 +59,6 @@
 	"COLOUR_BLEND_COLOUR2": "रंग 2",
 	"COLOUR_BLEND_RATIO": "अनुपात",
 	"COLOUR_BLEND_TOOLTIP": "दिए गए अनुपात (0.0 - 1.0) के साथ दो रंगों का मिश्रण करता है।",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "%1 बार दोहराएँ",
 	"CONTROLS_REPEAT_INPUT_DO": "करें",
 	"CONTROLS_REPEAT_TOOLTIP": "कुछ विवरण कई बार चलाएँ।",
@@ -86,20 +85,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "भाग को समनरूप बनाने के लिए जोङें, हटाएं, या पुनः व्यवस्थित करें यदि यह बंद है।",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "एक शर्त जोड़ें यदि ब्लॉक है।",
 	"CONTROLS_IF_ELSE_TOOLTIP": "यदि ब्लॉक है तो इसके लिए एक अंतिम, कैच-सभी स्थिति जोड़ें।",
-	"IOS_OK": "ठीक है",
-	"IOS_CANCEL": "रद्द करें",
-	"IOS_ERROR": "त्रुटि",
-	"IOS_PROCEDURES_INPUTS": "इनपुट",
-	"IOS_PROCEDURES_ADD_INPUT": "+ इनपुट जोड़ें",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "बयानों की अनुमति दें",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "इस फंक्शन में नकली निवेश हैं।",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ चर जोड़ें",
-	"IOS_VARIABLES_ADD_BUTTON": "जोड़ें",
-	"IOS_VARIABLES_RENAME_BUTTON": "नाम बदलें",
-	"IOS_VARIABLES_DELETE_BUTTON": "हटाएँ",
-	"IOS_VARIABLES_VARIABLE_NAME": "चर का नाम",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "आप रिक्त चर नाम उपयोग नहीं कर सकते",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "ट्रू रिटर्न करें यदि दोनो इनपुट इक दूसरे के बराबर हों।",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "ट्रू रिटर्न करें यदि दोनो इनपुट इक दूसरे के बराबर नहीं हों।",
 	"LOGIC_COMPARE_TOOLTIP_LT": "ट्रू रिटर्न करें यदि पहला इनपुट दूसरे इनपुट से छोटा हो।",
@@ -121,15 +106,12 @@
 	"LOGIC_TERNARY_IF_TRUE": "यदि सही है",
 	"LOGIC_TERNARY_IF_FALSE": "यदि गलत है",
 	"LOGIC_TERNARY_TOOLTIP": "'परीक्षण' में हालत की जांच करें। यदि स्थिति सही है, तो 'सच' मान लौटाता है; अन्यथा वापस लौटता 'अगर झूठा'मान देता है।",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "एक संख्या।",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "दो संख्याओं का योग रिटर्न करें।",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "दो संख्याओं का अंतर रिटर्न करें।",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "दो संख्याओं का गुणन रिटर्न करें।",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "दो संख्याओं का भागफल रिटर्न करें।",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "दूसरे नंबर की शक्ति को उठाए गए पहले नंबर पर लौटें",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "वर्गमूल",
 	"MATH_SINGLE_TOOLTIP_ROOT": "संख्या का वर्गमूल रिटर्न करें।",
 	"MATH_SINGLE_OP_ABSOLUTE": "परम",
@@ -139,14 +121,12 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "संख्या का मूल 10 लघुगणक रिटर्न करें।",
 	"MATH_SINGLE_TOOLTIP_EXP": "किसी संख्या की शक्ति को वापस ई करें।",
 	"MATH_SINGLE_TOOLTIP_POW10": "किसी संख्या की शक्ति पर 10 लौटें।",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "डिग्री का साइन रिटर्न करें (रेडियन नही)",
 	"MATH_TRIG_TOOLTIP_COS": "डिग्री का कोसाइन रिटर्न करें (रेडियन नही)",
 	"MATH_TRIG_TOOLTIP_TAN": "डिग्री का टैन्जन्ट रिटर्न करें (रेडियन नही)",
 	"MATH_TRIG_TOOLTIP_ASIN": "संख्या का आर्कसाइन रिटर्न करें।",
 	"MATH_TRIG_TOOLTIP_ACOS": "संख्या का आर्ककोसाइन रिटर्न करें।",
 	"MATH_TRIG_TOOLTIP_ATAN": "संख्या का आर्कटैन्जन्ट रिटर्न करें।",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "सामान्य स्थिरांक में से एक को वापस लौटें:π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity)।",
 	"MATH_IS_EVEN": "सम है",
 	"MATH_IS_ODD": "विषम है",
@@ -156,10 +136,8 @@
 	"MATH_IS_NEGATIVE": "ऋणात्मक है",
 	"MATH_IS_DIVISIBLE_BY": "इसके द्वारा विभाज्य है",
 	"MATH_IS_TOOLTIP": "जांचें कि क्या कोई संख्या एक सम, विषम, मुख्य, संपूर्ण, सकारात्मक, नकारात्मक है या यदि वह निश्चित संख्या से विभाजित है। वास्तविक या गलत रिटर्न देता है।",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "%1 को %2 से बदलें",
 	"MATH_CHANGE_TOOLTIP": "संख्या को चर '%1' से जोड़ें।",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "संख्या को बड़ा या घटा के पूर्णांक बनाएँ।",
 	"MATH_ROUND_OPERATOR_ROUND": "पूर्णांक बनाएँ",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "बड़ा के पूर्णांक बनाएँ",
@@ -180,18 +158,14 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "सूची का मानक विचलन रिटर्न करें।",
 	"MATH_ONLIST_OPERATOR_RANDOM": "सूची का रैन्डम आइटम",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "सूची से एक रैन्डम आइटम रिटर्न करें।",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "%1 ÷ %2 का शेषफल",
 	"MATH_MODULO_TOOLTIP": "दो संख्याओं के भाग का शेषफल रिटर्न करें।",
 	"MATH_CONSTRAIN_TITLE": "%1 कम %2 उच्च %3 बाधित करें",
 	"MATH_CONSTRAIN_TOOLTIP": "एक संख्या को निर्दिष्ट सीमा (सम्मिलित) के बीच बाधित करें।",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "%1 से %2 तक रैन्डम पूर्णांक",
 	"MATH_RANDOM_INT_TOOLTIP": "दो निर्दिष्ट सीमाओं, समावेशी के बीच एक यादृच्छिक पूर्णांक लौटें।",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "रैन्डम अंश",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "0.0 (समावेशी) और 1.0 (विशिष्ट) के बीच एक यादृच्छिक अंश पर लौटें।",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "एक अक्षर, शब्द, या टेक्स्ट की पंक्ति।",
 	"TEXT_JOIN_TITLE_CREATEWITH": "इसके साथ टेक्स्ट बनाएँ",
 	"TEXT_JOIN_TOOLTIP": "किसी भी संख्या के मदों को एक साथ जोड़ कर पाठ का एक टुकड़ा बनाएं।",
@@ -242,7 +216,6 @@
 	"TEXT_REPLACE_MESSAGE0": "%1 को %2 के साथ %3 में बदलें",
 	"TEXT_REPLACE_TOOLTIP": "कुछ अन्य पाठ के अंदर कुछ पाठ की सभी जगहों को बदलें।",
 	"TEXT_REVERSE_MESSAGE0": "%1 को बदल दें",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "पाठ में वर्णों के क्रम को उलट देता है।",
 	"LISTS_CREATE_EMPTY_TITLE": "खाली सूची बनाएँ",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "0 लंबाई की, कोई भी डेटा ना रखने वाली एक सूची लौटती है",
@@ -264,6 +237,7 @@
 	"LISTS_GET_INDEX_GET": "प्राप्त",
 	"LISTS_GET_INDEX_GET_REMOVE": "प्राप्त करे और हटाए",
 	"LISTS_GET_INDEX_REMOVE": "निकालें",
+	"LISTS_GET_INDEX_FROM_START": "#",
 	"LISTS_GET_INDEX_FROM_END": "अंत से #",
 	"LISTS_GET_INDEX_FIRST": "पहला",
 	"LISTS_GET_INDEX_LAST": "आखिरी",
@@ -300,7 +274,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "अंतिम से # को",
 	"LISTS_GET_SUBLIST_END_LAST": "अंत से",
 	"LISTS_GET_SUBLIST_TOOLTIP": "सूची के बताए गये भाग की कॉपी बनता है।",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"LISTS_SORT_TITLE": "%1 %2 %3 को छांटे",
 	"LISTS_SORT_TOOLTIP": "एक सूची की एक प्रति को छांटे।",
 	"LISTS_SORT_ORDER_ASCENDING": "बढ़ते क्रम",
@@ -330,9 +303,7 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "आउटपुट वाला एक फ़ंक्शन बनाता है।",
 	"PROCEDURES_ALLOW_STATEMENTS": "बयानों की अनुमति दें",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "सावधान: इस फ़ंक्शन मे डुप्लिकेट पैरामीटर हैं।",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "यूज़र द्वारा वर्णन किया गया फ़ंक्शन '%1' चलाएँ।",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "यूज़र द्वारा वर्णन किया गया फ़ंक्शन '%1' चलाएँ और उसका आउटपुट इस्तेमाल करें।",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "इनपुट",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "इस फ़ंक्शन में इनपुट जोड़ें, निकालें, या पुन: क्रमित करें।",
@@ -341,5 +312,7 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "फ़ंक्शन परिभाषा को हाइलाइट करें",
 	"PROCEDURES_CREATE_DO": "'%1' बनाएँ",
 	"PROCEDURES_IFRETURN_TOOLTIP": "यदि एक मान ट्रू है तो, दूसरा मान रिटर्न करें।",
-	"PROCEDURES_IFRETURN_WARNING": "सावधान: ये ब्लॉक फ़ंक्शन परिभाषा के अंदर ही इस्तेमाल किया जा सकता।"
+	"PROCEDURES_IFRETURN_WARNING": "सावधान: ये ब्लॉक फ़ंक्शन परिभाषा के अंदर ही इस्तेमाल किया जा सकता।",
+	"DIALOG_OK": "ठीक है",
+	"DIALOG_CANCEL": "रद्द करें"
 }
diff --git a/msg/json/hr.json b/msg/json/hr.json
new file mode 100644
index 00000000000..500f8395af8
--- /dev/null
+++ b/msg/json/hr.json
@@ -0,0 +1,327 @@
+{
+	"@metadata": {
+		"authors": [
+			"Bugoslav",
+			"Gordana Sokol",
+			"Lkralj15",
+			"Ninocka",
+			"Npavcec",
+			"Tjagust"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "stavka",
+	"UNNAMED_KEY": "neimenovano",
+	"TODAY": "Danas",
+	"DUPLICATE_BLOCK": "Kloniraj",
+	"ADD_COMMENT": "Dodaj komentar",
+	"REMOVE_COMMENT": "Obriši komentar",
+	"DUPLICATE_COMMENT": "Dupliciraj komentar",
+	"EXTERNAL_INPUTS": "Vanjski Ulazi",
+	"INLINE_INPUTS": "Poravnati Ulazi",
+	"DELETE_BLOCK": "Obriši blok",
+	"DELETE_X_BLOCKS": "Obriši %1 blokova",
+	"DELETE_ALL_BLOCKS": "Obrisati svih %1 blokova?",
+	"CLEAN_UP": "Uredi blokove",
+	"COLLAPSE_BLOCK": "Sažmi blok",
+	"COLLAPSE_ALL": "Skupi blokove",
+	"EXPAND_BLOCK": "Proširi blok",
+	"EXPAND_ALL": "Proširi blokove",
+	"DISABLE_BLOCK": "Onemogući blok",
+	"ENABLE_BLOCK": "Omogući blok",
+	"HELP": "Pomoć",
+	"UNDO": "Poništi",
+	"REDO": "Ponovi",
+	"CHANGE_VALUE_TITLE": "Promijeni vrijednost:",
+	"RENAME_VARIABLE": "Preimenovanje varijable...",
+	"RENAME_VARIABLE_TITLE": "Preimenuj svih %1 varijabli u:",
+	"NEW_VARIABLE": "Kreiraj varijablu...",
+	"NEW_STRING_VARIABLE": "Kreiraj varijablu s nizom slova",
+	"NEW_NUMBER_VARIABLE": "Kreiraj varijablu s brojkama",
+	"NEW_COLOUR_VARIABLE": "Kreiraj varijablu s bojama",
+	"NEW_VARIABLE_TYPE_TITLE": "Novi tip varijable:",
+	"NEW_VARIABLE_TITLE": "Ime nove varijable:",
+	"VARIABLE_ALREADY_EXISTS": "Varijabla s nazivom '%1' već postoji.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Varijabla pod nazivom '%1' već postoji za drugi tip: '%2'",
+	"DELETE_VARIABLE_CONFIRMATION": "Obriši %1 korištenja varijable '%2'?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Ne mogu obrisati varijablu '%1' zato što je dio definicije funkcije '%2'",
+	"DELETE_VARIABLE": "Obriši varijablu '%1'",
+	"COLOUR_PICKER_HELPURL": "https://hr.wikipedia.org/wiki/Boja",
+	"COLOUR_PICKER_TOOLTIP": "Odaberi boju iz palete.",
+	"COLOUR_RANDOM_TITLE": "slučajna boja",
+	"COLOUR_RANDOM_TOOLTIP": "Odaberi boju nasumično.",
+	"COLOUR_RGB_TITLE": "boja sa",
+	"COLOUR_RGB_RED": "crveno",
+	"COLOUR_RGB_GREEN": "zeleno",
+	"COLOUR_RGB_BLUE": "plavo",
+	"COLOUR_RGB_TOOLTIP": "Stvori boju sa zadanom količinom crvene, zelene i plave. Sve vrijednosti moraju biti između 0 i 100.",
+	"COLOUR_BLEND_TITLE": "pomiješaj",
+	"COLOUR_BLEND_COLOUR1": "boja 1",
+	"COLOUR_BLEND_COLOUR2": "boja 2",
+	"COLOUR_BLEND_RATIO": "omjer",
+	"COLOUR_BLEND_TOOLTIP": "Miješa dvije boje u zadanom omjeru (0.0 - 1.0).",
+	"CONTROLS_REPEAT_HELPURL": "https://hr.wikipedia.org/wiki/For_petlja",
+	"CONTROLS_REPEAT_TITLE": "ponovi %1 puta",
+	"CONTROLS_REPEAT_INPUT_DO": "radi",
+	"CONTROLS_REPEAT_TOOLTIP": "Ponovi zadane naredbe više puta.",
+	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "ponavljaj dok",
+	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "ponavljaj do",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Dok je vrijednost istinita, izvrši izjave.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Dok je vrijednost lažna, izvrši izjave.",
+	"CONTROLS_FOR_TOOLTIP": "Varijabla '%1' poprima vrijednosti od početnog broja do završnog broja, brojeći u zadanim intervalima i izvršavajući odabrane blokove.",
+	"CONTROLS_FOR_TITLE": "broji s %1 od %2 do %3 za %4",
+	"CONTROLS_FOREACH_TITLE": "za svaki član %1 u listi %2",
+	"CONTROLS_FOREACH_TOOLTIP": "Za svaki član u listi daje varijabli '%1' vrijednost člana i zatim izvrši neke naredbe",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "izađi iz petlje",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "nastavi sa sljedećim ponavljanjem u petlji",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Prekinite postojeću petlju",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "Preskoči ostatak petlje i nastavi sa sljedećim ponavljanjem",
+	"CONTROLS_FLOW_STATEMENTS_WARNING": "Upozorenje: Ovaj blok se može koristiti samo u petlji.",
+	"CONTROLS_IF_TOOLTIP_1": "ako je vrijednost istinita izvrši neke naredbe",
+	"CONTROLS_IF_TOOLTIP_2": "Ako je vrijednost istina, tada izvrši prvi blok naredbi. Inače izvrši drugi blok naredbi.",
+	"CONTROLS_IF_TOOLTIP_3": "Ako je prva vrijednost istina, tada izvrši prvi blok naredbi. Inače, ako je druga vrijednost istina izvrši drugi blok naredbi.",
+	"CONTROLS_IF_TOOLTIP_4": "Ako je prva vrijednost istina, tada izvrši prvi blok naredbi. Inače, ako je druga vrijednost istina izvrši drugi blok naredbi. Ako niti jedna vrijednost nije istina, izvrši zadnji blok naredbi.",
+	"CONTROLS_IF_MSG_IF": "ako",
+	"CONTROLS_IF_MSG_ELSEIF": "inače ako",
+	"CONTROLS_IF_MSG_ELSE": "inače",
+	"CONTROLS_IF_IF_TOOLTIP": "Dodaj, ukloni ili promijeni redoslijed kako biste presložili ovaj blok.",
+	"CONTROLS_IF_ELSEIF_TOOLTIP": "Dodaj uvjet bloku.",
+	"CONTROLS_IF_ELSE_TOOLTIP": "Dodaj završni, \"vrijedi za sve\" uvjet bloku.",
+	"LOGIC_COMPARE_TOOLTIP_EQ": "Vraća istina ako su obje ulazne vrijednosti jednake jedna drugoj.",
+	"LOGIC_COMPARE_TOOLTIP_NEQ": "Vraća istina ako obje ulazne vrijednosti nisu jednake jedna drugoj.",
+	"LOGIC_COMPARE_TOOLTIP_LT": "Vraća istina ako je prva ulazna vrijednost manja od druge.",
+	"LOGIC_COMPARE_TOOLTIP_LTE": "Vraća istina ako je prva ulazna vrijednost manja ili jednaka od druge.",
+	"LOGIC_COMPARE_TOOLTIP_GT": "Vraća istina ako je prva ulazna vrijednost veća od druge.",
+	"LOGIC_COMPARE_TOOLTIP_GTE": "Vraća istina ako je prva ulazna vrijednost veća ili jednaka od druge.",
+	"LOGIC_OPERATION_TOOLTIP_AND": "Vraća istina ako su obje ulazne vrijednosti istinite.",
+	"LOGIC_OPERATION_AND": "i",
+	"LOGIC_OPERATION_TOOLTIP_OR": "Vraća istina ako je barem jedna od ulaznih vrijednosti istinita.",
+	"LOGIC_OPERATION_OR": "ili",
+	"LOGIC_NEGATE_TITLE": "ne %1",
+	"LOGIC_NEGATE_TOOLTIP": "Vraća istina ako je ulazna vrijednost lažna. Vraća laž ako je ulazna vrijednost istinita.",
+	"LOGIC_BOOLEAN_TRUE": "istina",
+	"LOGIC_BOOLEAN_FALSE": "laž",
+	"LOGIC_BOOLEAN_TOOLTIP": "Vraća ili istina ili laž.",
+	"LOGIC_NULL": "null",
+	"LOGIC_NULL_TOOLTIP": "Vraća null.",
+	"LOGIC_TERNARY_CONDITION": "izraz",
+	"LOGIC_TERNARY_IF_TRUE": "ako je istina",
+	"LOGIC_TERNARY_IF_FALSE": "ako je laž",
+	"LOGIC_TERNARY_TOOLTIP": "Provjerite uvjet u \"izrazu\". Ako je uvjet istinit, vraća vrijednost \"ako je istinito\"; inače vraća vrijednost \"ako je lažno\".",
+	"MATH_NUMBER_HELPURL": "https://hr.wikipedia.org/wiki/Broj",
+	"MATH_NUMBER_TOOLTIP": "broj",
+	"MATH_ARITHMETIC_HELPURL": "https://hr.wikipedia.org/wiki/Aritmetika",
+	"MATH_ARITHMETIC_TOOLTIP_ADD": "Vraća zbroj dvaju brojeva.",
+	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Vraća razliku dvaju brojeva.",
+	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Vraća umnožak dvaju brojeva.",
+	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Vraća kvocijent dvaju brojeva.",
+	"MATH_ARITHMETIC_TOOLTIP_POWER": "Vraća prvi broj podignut na potenciju drugog broja.",
+	"MATH_SINGLE_HELPURL": "https://hr.wikipedia.org/wiki/Kvadratni_korijen",
+	"MATH_SINGLE_OP_ROOT": "kvadratni korijen",
+	"MATH_SINGLE_TOOLTIP_ROOT": "Vraća drugi korijen broja.",
+	"MATH_SINGLE_OP_ABSOLUTE": "apsolutna vrijednost",
+	"MATH_SINGLE_TOOLTIP_ABS": "Vraća apsolutnu vrijednost broja.",
+	"MATH_SINGLE_TOOLTIP_NEG": "Vraća negaciju broja.",
+	"MATH_SINGLE_TOOLTIP_LN": "Vraća prirodni logaritam broja.",
+	"MATH_SINGLE_TOOLTIP_LOG10": "Vraća logaritam po bazi 10 zadanog broja.",
+	"MATH_SINGLE_TOOLTIP_EXP": "Vraća e na potenciju broja.",
+	"MATH_SINGLE_TOOLTIP_POW10": "Vraća 10 na potenciju broja.",
+	"MATH_TRIG_TOOLTIP_SIN": "Vraća sinus stupnjeva (ne radijana).",
+	"MATH_TRIG_TOOLTIP_COS": "Vraća kosinus stupnjeva (ne radijana).",
+	"MATH_TRIG_TOOLTIP_TAN": "Vraća tangens stupnjeva (ne radijana).",
+	"MATH_TRIG_TOOLTIP_ASIN": "Vraća arkus sinus broja.",
+	"MATH_TRIG_TOOLTIP_ACOS": "Vraća arkus kosinus broja.",
+	"MATH_TRIG_TOOLTIP_ATAN": "Vraća arkus tangens broja.",
+	"MATH_CONSTANT_HELPURL": "https://hr.wikipedia.org/wiki/Matemati%C4%8Dka_konstanta",
+	"MATH_CONSTANT_TOOLTIP": "Vraća jednu od uobičajenih konstanti: π (3.141...), e (2.718...), φ (1.618...), sqrt(2) (1.414...), sqrt(1/2) (0.707...) ili ∞ (beskonačnost).",
+	"MATH_IS_EVEN": "je paran",
+	"MATH_IS_ODD": "je neparan",
+	"MATH_IS_PRIME": "je prost broj",
+	"MATH_IS_WHOLE": "je cijeli broj",
+	"MATH_IS_POSITIVE": "je pozitivan",
+	"MATH_IS_NEGATIVE": "je negativan",
+	"MATH_IS_DIVISIBLE_BY": "je djeljiv s",
+	"MATH_IS_TOOLTIP": "Provjerava je li broj paran, neparan, prim, cijeli, pozitivan, negativan ili je djeljiv određenim brojem. Vraća istina ili laž.",
+	"MATH_CHANGE_TITLE": "promijeni %1 za %2",
+	"MATH_CHANGE_TOOLTIP": "Dodaj broj varijabli '%1'.",
+	"MATH_ROUND_TOOLTIP": "Zaokružuje broj na više ili manje",
+	"MATH_ROUND_OPERATOR_ROUND": "zaokružiti",
+	"MATH_ROUND_OPERATOR_ROUNDUP": "zaokružiti na više",
+	"MATH_ROUND_OPERATOR_ROUNDDOWN": "zaokružiti na manje",
+	"MATH_ONLIST_OPERATOR_SUM": "zbroj liste",
+	"MATH_ONLIST_TOOLTIP_SUM": "Vraća zbroj svih brojeva u listi.",
+	"MATH_ONLIST_OPERATOR_MIN": "najmanja vrijednost u listi",
+	"MATH_ONLIST_TOOLTIP_MIN": "Vraća najmanji broj u listi.",
+	"MATH_ONLIST_OPERATOR_MAX": "najveća vrijednost u listi",
+	"MATH_ONLIST_TOOLTIP_MAX": "Vraća najveći broj u listi.",
+	"MATH_ONLIST_OPERATOR_AVERAGE": "prosječna vrijednost liste",
+	"MATH_ONLIST_TOOLTIP_AVERAGE": "Vraća prosjek (aritmetičku sredinu) numeričkih vrijednosti liste.",
+	"MATH_ONLIST_OPERATOR_MEDIAN": "medijan liste",
+	"MATH_ONLIST_TOOLTIP_MEDIAN": "Vraća srednji broj u listi.",
+	"MATH_ONLIST_OPERATOR_MODE": "mod liste",
+	"MATH_ONLIST_TOOLTIP_MODE": "Vraća listu najčešćih vrijednosti (mod) u listi",
+	"MATH_ONLIST_OPERATOR_STD_DEV": "standardna devijacija liste",
+	"MATH_ONLIST_TOOLTIP_STD_DEV": "Vraća standardnu devijaciju liste.",
+	"MATH_ONLIST_OPERATOR_RANDOM": "slučajno odabran član liste",
+	"MATH_ONLIST_TOOLTIP_RANDOM": "Vraća slučajan član liste.",
+	"MATH_MODULO_TITLE": "ostatak pri dijeljenju %1 ÷ %2",
+	"MATH_MODULO_TOOLTIP": "Vraća ostatak pri dijeljenju dvaju brojeva.",
+	"MATH_CONSTRAIN_TITLE": "ograniči %1 od %2 do %3",
+	"MATH_CONSTRAIN_TOOLTIP": "Ograničava broj da bude unutar zadanih granica (uključivši rubne vrijednosti)",
+	"MATH_RANDOM_INT_TITLE": "slučajan cijeli broj između %1 i %2",
+	"MATH_RANDOM_INT_TOOLTIP": "Vraća slučajan cijeli broj između dviju zadanih vrijednosti, uključivši i rubne vrijednosti.",
+	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "slučajan razlomak",
+	"MATH_RANDOM_FLOAT_TOOLTIP": "Vraća slučajan razlomak vrijednosti između 0.0 (uključivo) i 1.0 (isključivo)",
+	"MATH_ATAN2_TITLE": "atan2 od X:%1 Y:%2",
+	"MATH_ATAN2_TOOLTIP": "Vraća vrijednost arkus tangensa točke (X, Y) u stupnjevima od -180 do 180",
+	"TEXT_TEXT_TOOLTIP": "Slovo, riječ ili linija teksta",
+	"TEXT_JOIN_TITLE_CREATEWITH": "stvori tekst od",
+	"TEXT_JOIN_TOOLTIP": "Stvara tekst povezivanjem bilo kojeg broja dijelova",
+	"TEXT_CREATE_JOIN_TITLE_JOIN": "poveži",
+	"TEXT_CREATE_JOIN_TOOLTIP": "Dodaj, ukloni ili promijeni redoslijed kako biste presložili ovaj tekstualni blok",
+	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "Dodajte stavku u tekst",
+	"TEXT_APPEND_TITLE": "varijabli %1 dodajte tekst %2",
+	"TEXT_APPEND_TOOLTIP": "Dodajte neki tekst varijabli '%1'.",
+	"TEXT_LENGTH_TITLE": "duljina %1",
+	"TEXT_LENGTH_TOOLTIP": "Vraća broj slova (uključivši razmake) teksta",
+	"TEXT_ISEMPTY_TITLE": "%1 je prazno",
+	"TEXT_ISEMPTY_TOOLTIP": "Vraća vrijednost istina ako je dani tekst prazan",
+	"TEXT_INDEXOF_TOOLTIP": "Vraća indeks prvog/zadnjeg pojavljivanja prvog teksta u drugom tekstu. Vraća vrijednost %1 ako tekst nije pronađen.",
+	"TEXT_INDEXOF_TITLE": "u tekstu %1 %2 %3",
+	"TEXT_INDEXOF_OPERATOR_FIRST": "nađi prvo pojavljivanje teksta",
+	"TEXT_INDEXOF_OPERATOR_LAST": "nađi zadnje pojavljivanje teksta",
+	"TEXT_CHARAT_TITLE": "u tekstu %1 %2",
+	"TEXT_CHARAT_FROM_START": "dohvati slovo #",
+	"TEXT_CHARAT_FROM_END": "dohvati slovo # od kraja",
+	"TEXT_CHARAT_FIRST": "dohvati prvo slovo",
+	"TEXT_CHARAT_LAST": "dohvati zadnje slovo",
+	"TEXT_CHARAT_RANDOM": "dohvati slučajno slovo",
+	"TEXT_CHARAT_TOOLTIP": "Vraća slovo koje je na zadanom mjestu",
+	"TEXT_GET_SUBSTRING_TOOLTIP": "Daje traženi dio teksta",
+	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "u tekstu",
+	"TEXT_GET_SUBSTRING_START_FROM_START": "dohvati podtekst od slova #",
+	"TEXT_GET_SUBSTRING_START_FROM_END": "dohvati podtekst od slova # od kraja",
+	"TEXT_GET_SUBSTRING_START_FIRST": "dohvati podtekst od prvog slova",
+	"TEXT_GET_SUBSTRING_END_FROM_START": "do slova #",
+	"TEXT_GET_SUBSTRING_END_FROM_END": "do slova # od kraja",
+	"TEXT_GET_SUBSTRING_END_LAST": "do zadnjeg slova",
+	"TEXT_CHANGECASE_TOOLTIP": "Vraća kopiju teksta s malim ili velikim slovima",
+	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "u VELIKA SLOVA",
+	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "u mala slova",
+	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "u Prvo Veliko Slovo",
+	"TEXT_TRIM_TOOLTIP": "Vraća kopiju teksta s uklonjenim razmakom s početka ili kraja",
+	"TEXT_TRIM_OPERATOR_BOTH": "ukloni razmake s obje strane od",
+	"TEXT_TRIM_OPERATOR_LEFT": "ukloni razmake s lijeve strane od",
+	"TEXT_TRIM_OPERATOR_RIGHT": "ukloni razmake s desne strane od",
+	"TEXT_PRINT_TITLE": "ispiši %1",
+	"TEXT_PRINT_TOOLTIP": "Ispisuje određeni tekst, broj ili drugu vrijednost.",
+	"TEXT_PROMPT_TYPE_TEXT": "Zatraži tekst porukom",
+	"TEXT_PROMPT_TYPE_NUMBER": "Zatraži broj porukom",
+	"TEXT_PROMPT_TOOLTIP_NUMBER": "Zatraži broj od korisnika.",
+	"TEXT_PROMPT_TOOLTIP_TEXT": "Zatraži tekst od korisnika",
+	"TEXT_COUNT_MESSAGE0": "prebroji %1 u %2",
+	"TEXT_COUNT_TOOLTIP": "Prebrojava koliko puta se neki tekst pojavljuje u drugom tekstu",
+	"TEXT_REPLACE_MESSAGE0": "zamijeni %1 s %2 u %3",
+	"TEXT_REPLACE_TOOLTIP": "Zamijeni sva pojavljivanja nekog teksta u drugom tekstu.",
+	"TEXT_REVERSE_MESSAGE0": "obrnuto %1",
+	"TEXT_REVERSE_TOOLTIP": "Okreće redoslijed znakova u tekstu",
+	"LISTS_CREATE_EMPTY_TITLE": "stvori praznu listu",
+	"LISTS_CREATE_EMPTY_TOOLTIP": "Vraća listu, duljine 0, koja ne sadrži podatke",
+	"LISTS_CREATE_WITH_TOOLTIP": "Stvara listu s bilo kojim brojem članova",
+	"LISTS_CREATE_WITH_INPUT_WITH": "stvori listu s",
+	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "lista",
+	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "Dodaj, ukloni ili promijeni redoslijed kako biste presložili blok liste",
+	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "Dodaj član u listu",
+	"LISTS_REPEAT_TOOLTIP": "Stvara listu ponavljanjem dane vrijednosti zadani broj puta.",
+	"LISTS_REPEAT_TITLE": "stvori listu s članom %1 ponovljenim %2 puta",
+	"LISTS_LENGTH_TITLE": "duljina %1",
+	"LISTS_LENGTH_TOOLTIP": "Vraća duljinu liste.",
+	"LISTS_ISEMPTY_TITLE": "%1 je prazno",
+	"LISTS_ISEMPTY_TOOLTIP": "Vraća istinu ako je lista prazna.",
+	"LISTS_INLIST": "u listi",
+	"LISTS_INDEX_OF_FIRST": "nađi prvo pojavljivanje člana",
+	"LISTS_INDEX_OF_LAST": "nađi zadnje pojavljivanje člana",
+	"LISTS_INDEX_OF_TOOLTIP": "Vraća indeks prvog/zadnjeg pojavljivanja člana u listi. Vraća %1 ako član nije pronađen.",
+	"LISTS_GET_INDEX_GET": "dohvati",
+	"LISTS_GET_INDEX_GET_REMOVE": "uzmi i ukloni",
+	"LISTS_GET_INDEX_REMOVE": "ukloni",
+	"LISTS_GET_INDEX_FROM_END": "# od kraja",
+	"LISTS_GET_INDEX_FIRST": "prvi",
+	"LISTS_GET_INDEX_LAST": "posljednji",
+	"LISTS_GET_INDEX_RANDOM": "slučajno",
+	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 je prvi član.",
+	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 je zadnji član.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "Vraća član sa zadanog mjesta u listi.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_FIRST": "Vraća prvi član liste",
+	"LISTS_GET_INDEX_TOOLTIP_GET_LAST": "Vraća zadnji član liste.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_RANDOM": "Vraća slučajno odabrani član u listi.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM": "Uklanja i vraća član na zadanom mjestu u listi.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST": "Uklanja i vraća prvi član u listi.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST": "Uklanja i vraća zadnji član u listi.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM": "Uklanja i vraća slučajno odabrani član u listi.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM": "Uklanja član na odabranom mjestu u listi.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST": "Uklanja prvi član u listi.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST": "Uklanja zadnji član u listi.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM": "Uklanja slučajno odabrani član u listi.",
+	"LISTS_SET_INDEX_SET": "postavi",
+	"LISTS_SET_INDEX_INSERT": "umetni na",
+	"LISTS_SET_INDEX_INPUT_TO": "kao",
+	"LISTS_SET_INDEX_TOOLTIP_SET_FROM": "Postavlja član na odabrano mjesto u listi.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_FIRST": "Postavlja prvi član u listi.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_LAST": "Postavlja zadnji član u listi.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_RANDOM": "Postavlja slučajno odabrani član u listi.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_FROM": "Umeće član na odabrano mjesto u listi.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "Umeće član na početak liste.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Dodaje član na kraj liste.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "Umeće član na slučajno odabrano mjesto u listi.",
+	"LISTS_GET_SUBLIST_START_FROM_START": "dohvati podlistu od #",
+	"LISTS_GET_SUBLIST_START_FROM_END": "uzmi podlistu od # od kraja",
+	"LISTS_GET_SUBLIST_START_FIRST": "dohvati podlistu od prvog",
+	"LISTS_GET_SUBLIST_END_FROM_START": "do #",
+	"LISTS_GET_SUBLIST_END_FROM_END": "do # od kraja",
+	"LISTS_GET_SUBLIST_END_LAST": "do zadnjeg",
+	"LISTS_GET_SUBLIST_TOOLTIP": "Stvara kopiju odabranog dijela liste",
+	"LISTS_SORT_TITLE": "Sortiraj %1 %2 %3",
+	"LISTS_SORT_TOOLTIP": "Sortiraj kopiju liste",
+	"LISTS_SORT_ORDER_ASCENDING": "uzlazno",
+	"LISTS_SORT_ORDER_DESCENDING": "silazno",
+	"LISTS_SORT_TYPE_NUMERIC": "kao brojeve",
+	"LISTS_SORT_TYPE_TEXT": "po abecedi",
+	"LISTS_SORT_TYPE_IGNORECASE": "po abecedi, zanemari mala/velika slova",
+	"LISTS_SPLIT_LIST_FROM_TEXT": "napravi listu od teksta",
+	"LISTS_SPLIT_TEXT_FROM_LIST": "napravi tekst od liste",
+	"LISTS_SPLIT_WITH_DELIMITER": "S razdjelnikom",
+	"LISTS_SPLIT_TOOLTIP_SPLIT": "Podijeli tekst u niz tekstova prema razdjelniku",
+	"LISTS_SPLIT_TOOLTIP_JOIN": "Poveži niz tekstova u jedan tekst podijeljen razdjelnikom",
+	"LISTS_REVERSE_MESSAGE0": "obrnuto %1",
+	"LISTS_REVERSE_TOOLTIP": "Obrnuta kopija liste",
+	"VARIABLES_GET_TOOLTIP": "Vraća vrijednost varijable",
+	"VARIABLES_GET_CREATE_SET": "Stvori 'set %1'",
+	"VARIABLES_SET": "Postavi %1 na %2",
+	"VARIABLES_SET_TOOLTIP": "Postavi vrijednost varijable jednaku izlaznoj vrijednosti",
+	"VARIABLES_SET_CREATE_GET": "Stvori 'get %1'",
+	"PROCEDURES_DEFNORETURN_TITLE": "za",
+	"PROCEDURES_DEFNORETURN_PROCEDURE": "napravi nešto",
+	"PROCEDURES_BEFORE_PARAMS": "s:",
+	"PROCEDURES_CALL_BEFORE_PARAMS": "s:",
+	"PROCEDURES_DEFNORETURN_TOOLTIP": "Stvaranje funkcije bez izlazne vrijednosti",
+	"PROCEDURES_DEFNORETURN_COMMENT": "Opis funkcije",
+	"PROCEDURES_DEFRETURN_RETURN": "Vrati",
+	"PROCEDURES_DEFRETURN_TOOLTIP": "Stvara funkciju s izlaznom vrijednošću",
+	"PROCEDURES_ALLOW_STATEMENTS": "Dopustite izjave",
+	"PROCEDURES_DEF_DUPLICATE_WARNING": "Upozorenje: Ova funkcija ima varijable istog imena",
+	"PROCEDURES_CALLNORETURN_TOOLTIP": "Pokrenite korisnički definiranu funkciju '%1'.",
+	"PROCEDURES_CALLRETURN_TOOLTIP": "Pokrenite korisnički definiranu funkciju '%1' i upotrijebite njenu izlaznu vrijednost",
+	"PROCEDURES_MUTATORCONTAINER_TITLE": "Ulazne varijable",
+	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Dodajte, uklonite ili promijenite redoslijed ulaznih varijabli funkcije",
+	"PROCEDURES_MUTATORARG_TITLE": "Naziv ulazne varijable",
+	"PROCEDURES_MUTATORARG_TOOLTIP": "Dodajte ulaznu varijablu funkcije",
+	"PROCEDURES_HIGHLIGHT_DEF": "Označavanje definicije funkcije",
+	"PROCEDURES_CREATE_DO": "Stvori '%1'",
+	"PROCEDURES_IFRETURN_TOOLTIP": "Iako je vrijednost istina, tada vrati drugu vrijednost",
+	"PROCEDURES_IFRETURN_WARNING": "Upozorenje: Ovaj blok se može koristiti samo u definiciji funkcije",
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Recite nešto",
+	"WORKSPACE_ARIA_LABEL": "Radni prostor Blocklyja",
+	"COLLAPSED_WARNINGS_WARNING": "Sažeti blokovi sadrže upozorenje",
+	"DIALOG_OK": "U redu",
+	"DIALOG_CANCEL": "Odustani"
+}
diff --git a/msg/json/hrx.json b/msg/json/hrx.json
index 6380c0e5a2a..3d700dd5974 100644
--- a/msg/json/hrx.json
+++ b/msg/json/hrx.json
@@ -272,9 +272,7 @@
 	"PROCEDURES_DEFRETURN_RETURN": "geb zurück",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "En Funktionsblock mit Rückgäbweart.",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Warnung: die Funktionsblock hot doppelt Parameter.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://hrx.wikipedia.org/wiki/Prozedur_%28Programmierung%29",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Ruf en Funktionsblock ohne Rückgäweart uff.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://hrx.wikipedia.org/wiki/Prozedur_%28Programmierung%29",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Ruf en Funktionsblock mit Rückgäbweart uff.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "Parameter",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Variable:",
@@ -283,5 +281,7 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Markiear Funktionsblock",
 	"PROCEDURES_CREATE_DO": "Generier/erzeich \"Uffruf %1\"",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Wenn der earste Weart woahr (true) ist, Geb den zwooite Weart zurück.",
-	"PROCEDURES_IFRETURN_WARNING": "Warnung: Der Block därref nuar innich en Funktionsblock genutzt sin."
+	"PROCEDURES_IFRETURN_WARNING": "Warnung: Der Block därref nuar innich en Funktionsblock genutzt sin.",
+	"DIALOG_OK": "Okay",
+	"DIALOG_CANCEL": "Abbreche"
 }
diff --git a/msg/json/hsb.json b/msg/json/hsb.json
new file mode 100644
index 00000000000..8f81571d158
--- /dev/null
+++ b/msg/json/hsb.json
@@ -0,0 +1,128 @@
+{
+	"@metadata": {
+		"authors": [
+			"J budissin",
+			"Michawiki"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "element",
+	"UNNAMED_KEY": "bjez mjena",
+	"TODAY": "Dźensa",
+	"DUPLICATE_BLOCK": "Kopěrować",
+	"ADD_COMMENT": "Přidać komentar",
+	"REMOVE_COMMENT": "Komentar wotstronić",
+	"DUPLICATE_COMMENT": "Komentar podwojić",
+	"EXTERNAL_INPUTS": "Eksterne zapodaća",
+	"INLINE_INPUTS": "Interne zapodaća",
+	"DELETE_BLOCK": "Blok zhašeć",
+	"DELETE_X_BLOCKS": "Bloki, kotrež so maja zhašeć: %1",
+	"DELETE_ALL_BLOCKS": "Wšě bloki zhašeć? %1",
+	"CLEAN_UP": "Bloki zrumować",
+	"COLLAPSE_BLOCK": "Blok sfałdować",
+	"COLLAPSE_ALL": "Bloki sfałdować",
+	"EXPAND_BLOCK": "Blok rozfałdować",
+	"EXPAND_ALL": "Bloki rozfałdować",
+	"DISABLE_BLOCK": "Blok znjemóžnić",
+	"ENABLE_BLOCK": "Blok zmóžnić",
+	"HELP": "Pomhać",
+	"UNDO": "Cofnyć",
+	"REDO": "Wospjetować",
+	"CHANGE_VALUE_TITLE": "Hódnotu změnić",
+	"RENAME_VARIABLE": "Přemjenować wariablu…",
+	"RENAME_VARIABLE_TITLE": "Wšě wariable „%1“ přemjenować do:",
+	"NEW_VARIABLE": "Wariablu wutworić…",
+	"NEW_STRING_VARIABLE": "Wariablu typa znamješkoweho rjećazka wutworić…",
+	"NEW_NUMBER_VARIABLE": "Ličbowu wariablu wutworić…",
+	"NEW_COLOUR_VARIABLE": "Barbowu wariablu wutworić…",
+	"NEW_VARIABLE_TYPE_TITLE": "Nowy wariablowy typ:",
+	"NEW_VARIABLE_TITLE": "Mjeno noweje wariable:",
+	"VARIABLE_ALREADY_EXISTS": "Wariabla z mjenom „%1“ hižo eksistuje.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Wariabla z mjenom „%1“ hižo za druhi typ eksistuje: „%2“.",
+	"DELETE_VARIABLE_CONFIRMATION": "Slědowacu ličbu wužiwanja wariable „%2“ zhašec? %1",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Wariabla „%1“ njehodźi so zhašeć, dokelž je dźěl definicije funkcije „%2“",
+	"DELETE_VARIABLE": "Wariablu „%1“ zhašeć",
+	"COLOUR_PICKER_TOOLTIP": "Wubjer barbu z palety.",
+	"COLOUR_RANDOM_TITLE": "připadna barba",
+	"COLOUR_RANDOM_TOOLTIP": "Wubjer připadnu barbu.",
+	"COLOUR_RGB_TITLE": "barba z",
+	"COLOUR_RGB_RED": "čerwjene",
+	"COLOUR_RGB_GREEN": "zelene",
+	"COLOUR_RGB_BLUE": "módre",
+	"COLOUR_RGB_TOOLTIP": "Wutwor barbu z podatymi hódnotami za čerwjeny, zeleny a módry. Wšě hódnoty dyrbja mjez 0 a 100 być.",
+	"COLOUR_BLEND_TITLE": "měšeć",
+	"COLOUR_BLEND_COLOUR1": "barba 1",
+	"COLOUR_BLEND_COLOUR2": "barba 2",
+	"COLOUR_BLEND_RATIO": "poměr",
+	"COLOUR_BLEND_TOOLTIP": "Měša dwě barbje z podatym poměrom (0.0 – 1.0).",
+	"CONTROLS_REPEAT_TITLE": "ličba wospjetowanjow: %1",
+	"CONTROLS_REPEAT_INPUT_DO": "čiń",
+	"CONTROLS_REPEAT_TOOLTIP": "Přikazy wjacekróć wuwjesć.",
+	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "wospjetuj mjeztym zo",
+	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "wospjetuj doniž",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Wuwjedź přikazy, dołhož hódnota je wěrna.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Wuwjedź přikazy, dołhož hódnota wěrna njeje.",
+	"CONTROLS_IF_MSG_IF": "jeli",
+	"CONTROLS_IF_MSG_ELSEIF": "hewak jeli",
+	"CONTROLS_IF_MSG_ELSE": "hewak",
+	"LOGIC_OPERATION_AND": "a",
+	"LOGIC_OPERATION_OR": "abo",
+	"LOGIC_NEGATE_TITLE": "nic %1",
+	"LOGIC_BOOLEAN_TRUE": "wěrno",
+	"LOGIC_BOOLEAN_FALSE": "wopak",
+	"LOGIC_BOOLEAN_TOOLTIP": "Wróći pak wěrno pak wopak.",
+	"LOGIC_NULL": "nul",
+	"LOGIC_NULL_TOOLTIP": "Wróći nul.",
+	"LOGIC_TERNARY_CONDITION": "test",
+	"LOGIC_TERNARY_IF_TRUE": "jeli wěrno",
+	"LOGIC_TERNARY_IF_FALSE": "jeli wopak",
+	"MATH_NUMBER_TOOLTIP": "Ličba.",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
+	"MATH_ARITHMETIC_TOOLTIP_ADD": "Wróći sumu dweju ličbow.",
+	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Wróći diferencu dewju ličbow.",
+	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Wróći produkt dweju ličbow.",
+	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Wróći kwocient dweju ličbow",
+	"MATH_SINGLE_OP_ROOT": "kwadratny korjeń",
+	"MATH_SINGLE_TOOLTIP_ROOT": "Wróći kwadratny korjeń ličby",
+	"MATH_SINGLE_OP_ABSOLUTE": "absolutna hódnota",
+	"MATH_SINGLE_TOOLTIP_ABS": "Wróći absolutnu hódnotu ličby.",
+	"MATH_SINGLE_TOOLTIP_LN": "Wróći přirodny logaritmus ličby.",
+	"MATH_IS_EVEN": "je runy",
+	"MATH_IS_ODD": "je njeruny",
+	"MATH_IS_PRIME": "je primowa ličba",
+	"MATH_IS_WHOLE": "je cyła ličba",
+	"MATH_IS_POSITIVE": "je pozitiwny",
+	"MATH_IS_NEGATIVE": "je negatiwny",
+	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "připadny łamk",
+	"TEXT_ISEMPTY_TITLE": "%1 je prózdny",
+	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "w teksće",
+	"TEXT_PRINT_TITLE": "%1 wudać",
+	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "lisćina",
+	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "Lisćinje zapisk přidać.",
+	"LISTS_LENGTH_TITLE": "dołhosć lisćiny %1",
+	"LISTS_ISEMPTY_TITLE": "%1 je prózdny",
+	"LISTS_INLIST": "w lisćinje",
+	"LISTS_GET_INDEX_REMOVE": "wotstronić",
+	"LISTS_GET_INDEX_FROM_START": ".",
+	"LISTS_GET_INDEX_FROM_END": "wotzady",
+	"LISTS_GET_INDEX_FIRST": "prěni",
+	"LISTS_GET_INDEX_LAST": "posledni",
+	"LISTS_GET_INDEX_RANDOM": "připadny",
+	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 je prěni zapisk.",
+	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 je posledni zapisk.",
+	"LISTS_SET_INDEX_INPUT_TO": "jako",
+	"LISTS_SORT_TYPE_NUMERIC": "numerisce",
+	"LISTS_SORT_TYPE_TEXT": "alfabetisce",
+	"PROCEDURES_BEFORE_PARAMS": "z:",
+	"PROCEDURES_CALL_BEFORE_PARAMS": "z:",
+	"PROCEDURES_DEF_DUPLICATE_WARNING": "Kedźbu: Tuta funkcija ma dwójne parametry.",
+	"PROCEDURES_IFRETURN_WARNING": "Kedźbu: Tutón blok so jenož w funkcije definicije wužiwa.",
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Zdźěl něšto…",
+	"WORKSPACE_ARIA_LABEL": "Dźěłowy wobłuk Blockly",
+	"DIALOG_OK": "W porjadku",
+	"DIALOG_CANCEL": "Přetorhnyć"
+}
diff --git a/msg/json/hu.json b/msg/json/hu.json
index d498320d327..0124e5fe571 100644
--- a/msg/json/hu.json
+++ b/msg/json/hu.json
@@ -91,19 +91,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "A ha blokk testreszabásához bővítsd, töröld vagy rendezd át a részeit.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Feltétel hozzáadása a ha blokkhoz.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Végső feltétel hozzáadása a ha blokkhoz.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Mégse",
-	"IOS_ERROR": "Hiba",
-	"IOS_PROCEDURES_INPUTS": "BEMENETEK",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Bemenet hozzáadása",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Utasítások engedélyezése",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Ennek a függvénynek kettőzött bemenete van.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Változó hozzáadása",
-	"IOS_VARIABLES_ADD_BUTTON": "Hozzáadás",
-	"IOS_VARIABLES_RENAME_BUTTON": "Átnevezés",
-	"IOS_VARIABLES_DELETE_BUTTON": "Törlés",
-	"IOS_VARIABLES_VARIABLE_NAME": "Változó neve",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Nem használhat üres változónevet.",
 	"LOGIC_COMPARE_HELPURL": "https://hu.wikipedia.org/wiki/Egyenl%C5%91tlens%C3%A9g",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Igaz, ha a kifejezés két oldala egyenlő.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Igaz, ha a kifejezés két oldala nem egyenlő..",
@@ -312,7 +299,6 @@
 	"LISTS_GET_SUBLIST_END_LAST": "és az utolsó",
 	"LISTS_GET_SUBLIST_TAIL": "elem között",
 	"LISTS_GET_SUBLIST_TOOLTIP": "A lista adott részéről másolat.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "%1 %2 %3 rendezés",
 	"LISTS_SORT_TOOLTIP": "Egy lista egy másolatának rendezése.",
 	"LISTS_SORT_ORDER_ASCENDING": "növekvő",
@@ -337,7 +323,6 @@
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "név",
 	"PROCEDURES_BEFORE_PARAMS": "paraméterlistaː",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "paraméterlistaː",
-	"PROCEDURES_DEFNORETURN_DO": "",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Eljárás (nem ad vissza eredményt).",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Írj erről a funkcióról...",
 	"PROCEDURES_DEFRETURN_RETURN": "eredménye",
@@ -355,9 +340,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Függvénydefiníció kiemelése",
 	"PROCEDURES_CREATE_DO": "„%1” létrehozása",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Ha az érték igaz, akkor visszatér a függvény értékével.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Figyelem: Ez a blokk csak függvénydefiníción belül használható.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Mondj valamit...",
 	"WORKSPACE_ARIA_LABEL": "Blockly munkaterület",
-	"COLLAPSED_WARNINGS_WARNING": "Az összecsukott blokk figyelmeztetéseket tartalmaz."
+	"COLLAPSED_WARNINGS_WARNING": "Az összecsukott blokk figyelmeztetéseket tartalmaz.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Mégse"
 }
diff --git a/msg/json/hy.json b/msg/json/hy.json
index 781034971e4..f0a2f299f01 100644
--- a/msg/json/hy.json
+++ b/msg/json/hy.json
@@ -1,57 +1,60 @@
 {
 	"@metadata": {
 		"authors": [
+			"23artashes",
 			"A.kolyan",
 			"Armenoid",
 			"Kareyac",
 			"Nona",
-			"Xelgen"
+			"Xelgen",
+			"Սերգեյ Սաֆարյան"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "տարր",
-	"UNNAMED_KEY": "անանուն",
+	"UNNAMED_KEY": "առանց անվանման",
 	"TODAY": "Այսօր",
-	"DUPLICATE_BLOCK": "Պատճենել",
-	"ADD_COMMENT": "Ավելացնել մեկնաբանություն",
+	"DUPLICATE_BLOCK": "Կրկնօրինակել",
+	"ADD_COMMENT": "Մեկնաբանություն ավելացնել",
 	"REMOVE_COMMENT": "Հեռացնել մեկնաբանությունը",
 	"DUPLICATE_COMMENT": "Կրկնօրինակել մեկնաբանությունը",
-	"EXTERNAL_INPUTS": "Արտաքին մուտքեր",
-	"INLINE_INPUTS": "Գծային մուտք",
+	"EXTERNAL_INPUTS": "Արտաքին ներածումներ",
+	"INLINE_INPUTS": "Ներքին ներածումներ",
 	"DELETE_BLOCK": "Ջնջել բլոկը",
 	"DELETE_X_BLOCKS": "Ջնջել %1 բլոկ",
-	"DELETE_ALL_BLOCKS": "Ջնջե՞լ բոլոր %1 բլոկները:",
+	"DELETE_ALL_BLOCKS": "Ջնջե՞լ բոլոր %1 բլոկները։",
 	"CLEAN_UP": "Մաքրել բլոկները",
-	"COLLAPSE_BLOCK": "Կրճատել բլոկը",
-	"COLLAPSE_ALL": "Քանդել բլոկները",
-	"EXPAND_BLOCK": "Բացել բլոկը",
-	"EXPAND_ALL": "Բացել բլոկները",
+	"COLLAPSE_BLOCK": "Ծալել բլոկը",
+	"COLLAPSE_ALL": "Ծալել բլոկները",
+	"EXPAND_BLOCK": "Ընդարձակել բլոկը",
+	"EXPAND_ALL": "Ընդարձակել բլոկները",
 	"DISABLE_BLOCK": "Անջատել բլոկը",
 	"ENABLE_BLOCK": "Միացնել բլոկը",
 	"HELP": "Օգնություն",
-	"UNDO": "Հետ շրջել",
-	"REDO": "Կրկին անել",
-	"CHANGE_VALUE_TITLE": "Փոխել նշանակություն:",
+	"UNDO": "Հետարկել",
+	"REDO": "Կրկնել",
+	"CHANGE_VALUE_TITLE": "Փոխեք արժեքը՝",
 	"RENAME_VARIABLE": "Վերանվանել փոփոխականը...",
+	"RENAME_VARIABLE_TITLE": "Բոլոր «%1» փոփոխականները վերանվանել՝",
 	"NEW_VARIABLE": "Ստեղծել փոփոխական...",
-	"NEW_STRING_VARIABLE": "Ստեղծել տեքստային փոփոխական",
-	"NEW_NUMBER_VARIABLE": "Ստեղծել թվային փոփոխական",
-	"NEW_COLOUR_VARIABLE": "Ստեղծել գույնի փոփոխական",
-	"NEW_VARIABLE_TYPE_TITLE": "Փոփոխականի նոր տիպ",
+	"NEW_STRING_VARIABLE": "Տողային փոփոխական ստեղծել...",
+	"NEW_NUMBER_VARIABLE": "Թվային փոփոխական ստեղծել...",
+	"NEW_COLOUR_VARIABLE": "Գույնի փոփոխական ստեղծել...",
+	"NEW_VARIABLE_TYPE_TITLE": "Փոփոխականի նոր տեսակ՝",
 	"NEW_VARIABLE_TITLE": "Նոր փոփոխականի անունը՝",
-	"VARIABLE_ALREADY_EXISTS": "'%1' անունով փոփոխական արդեն գոյություն ունի",
-	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "'%1' անունով փոփոխական արդեն գոյություն ունի այլ տիպի համար: '%2'.",
-	"DELETE_VARIABLE_CONFIRMATION": "Ջնջե՞լ '%2' փոփոխականի %1 կիրառությունները",
-	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Հնարավոր չի ջնջել %1 փոփոխականը, որովհետև այն '%2' ֆունկցիայի հայտարարման մասն է",
-	"DELETE_VARIABLE": "Հեռացնել '%1' փոփոխականը",
+	"VARIABLE_ALREADY_EXISTS": "«%1» անունով փոփոխական արդեն գոյություն ունի։",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "«%1» անունով փոփոխական արդեն գոյություն ունի մեկ այլ տեսակի համար՝ «%2»։",
+	"DELETE_VARIABLE_CONFIRMATION": "Ջնջե՞լ «%2» փոփոխականի %1 օգտագործումը։",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Հնարավոր չի ջնջել «%1» փոփոխականը, քանի որ այն «%2» գործառույթի սահմանման մասն է",
+	"DELETE_VARIABLE": "Ջնջել «%1» փոփոխականը",
 	"COLOUR_PICKER_HELPURL": "https://hy.wikipedia.org/wiki/Գույն",
-	"COLOUR_PICKER_TOOLTIP": "Ընտրիր գույն ներկապնակից:",
+	"COLOUR_PICKER_TOOLTIP": "Գույն ընտրեք ներկապնակից։",
 	"COLOUR_RANDOM_TITLE": "պատահական գույն",
-	"COLOUR_RANDOM_TOOLTIP": "Ընտրում է գույն պատահականության սկզբունքով:",
-	"COLOUR_RGB_TITLE": "գույնը",
-	"COLOUR_RGB_RED": "կարմիր",
-	"COLOUR_RGB_GREEN": "կանաչ",
-	"COLOUR_RGB_BLUE": "կապույտ",
-	"COLOUR_RGB_TOOLTIP": "Ստեղծում է գույն կարմիրի, կանաչի և կապույտի նշված քանակություններով: Բոլոր արժեքները պետք է լինեն 0-ի և 100-ի միջև:",
+	"COLOUR_RANDOM_TOOLTIP": "Գույն է ընտրում պատահականության սկզբունքով։",
+	"COLOUR_RGB_TITLE": "գույն",
+	"COLOUR_RGB_RED": "կարմրից",
+	"COLOUR_RGB_GREEN": "կանաչից",
+	"COLOUR_RGB_BLUE": "կապույտից",
+	"COLOUR_RGB_TOOLTIP": "Գույն է ստեղծում կարմիրի, կանաչի և կապույտի նշված քանակություններով։ Բոլոր արժեքները պիտի լինեն 0-ի և 100-ի միջև:",
 	"COLOUR_BLEND_TITLE": "խառնել",
 	"COLOUR_BLEND_COLOUR1": "գույն 1",
 	"COLOUR_BLEND_COLOUR2": "գույն 2",
@@ -64,10 +67,10 @@
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "կրկնել, քանի դեռ չի",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Քանի դեռ արժեքը ճշմարիտ է, կատարում է հրահանգները:",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Քանի դեռ արժեքը կեղծ է, կատարում է որոշակի հրահանգներ:",
-	"CONTROLS_FOR_TOOLTIP": "'%1' փոփոխականին վերագրում է արժեքներ, սկսելով նախնական արժեքից, տրված քայլով և կատարում է նշված հրամանները",
-	"CONTROLS_FOR_TITLE": "հաշվել %1-ը, %2֊ից մինչև %3, քայլը %4",
-	"CONTROLS_FOREACH_TITLE": "յուրաքանչյուր %1 էլեմենտի համար %2 ցանկից",
-	"CONTROLS_FOREACH_TOOLTIP": "Ցանկի յուրաքանչյուր անդամի արժեքը վերագրում է  '%1' փոփոխականին և կատարում նշված հրամանները։",
+	"CONTROLS_FOR_TOOLTIP": "«%1» փոփոխականին սահմանված քայլով վերագրում է նախնականից սկսած մինչև վերջնական արժեքը և կատարում է նշված հրամանները։",
+	"CONTROLS_FOR_TITLE": "հաշվել %1-ով %2-ից մինչև %3-ը %4 քայլով",
+	"CONTROLS_FOREACH_TITLE": "ամեն մի %1 տարրի համար %2 ցանկից",
+	"CONTROLS_FOREACH_TOOLTIP": "Ցանկի յուրաքանչյուր անդամի արժեքը վերագրում է '%1' փոփոխականին և կատարում նշված հրամանները։",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "դուրս գալ ցիկլից",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "անցնել կրկնության հաջորդ կատարմանը",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Դադարեցնում է տվյալ կրկնությունը",
@@ -76,33 +79,20 @@
 	"CONTROLS_IF_TOOLTIP_1": "Եթե պայմանը ճշմարիտ է, կատարում է որոշ հրահանգներ:",
 	"CONTROLS_IF_TOOLTIP_2": "Եթե պայմանը ճշմարիտ է, ապա կատարում է հրահանգների առաջին բլոկը: Հակառակ դեպքում կատարում է հրահանգների երկրորդ բլոկը:",
 	"CONTROLS_IF_TOOLTIP_3": "Եթե առաջին պայմանը ճշմարիտ է, ապա կատարում է հրահանգների առաջին բլոկը: Հակառակ դեպքում, եթե երկրորդ պայմանն է ճշմարիտ, կատարում է հրահանգների երկրորդ բլոկը:",
-	"CONTROLS_IF_TOOLTIP_4": "Եթե առաջին պայմանը ճշմարիտ է, ապա կատարում է հրահանգների առաջին բլոկը: Հակառակ դեպքում, եթե երկրորդ պայմանն է ճշմարիտ, կատարում է հրահանգների երկրորդ բլոկը: Եթե պայմաններից ոչ մեկը ճշմարիտ չեն, ապա  կատարում է հրահանգների վերջին բլոկը:",
+	"CONTROLS_IF_TOOLTIP_4": "Եթե առաջին պայմանը ճշմարիտ է, ապա կատարում է հրահանգների առաջին բլոկը: Հակառակ դեպքում, եթե երկրորդ պայմանն է ճշմարիտ, կատարում է հրահանգների երկրորդ բլոկը: Եթե պայմաններից ոչ մեկը ճշմարիտ չեն, ապա կատարում է հրահանգների վերջին բլոկը:",
 	"CONTROLS_IF_MSG_IF": "եթե",
 	"CONTROLS_IF_MSG_ELSEIF": "հակառակ դեպքում, եթե",
 	"CONTROLS_IF_MSG_ELSE": "հակառակ դեպքում",
 	"CONTROLS_IF_IF_TOOLTIP": "Ավելացնել, հեռացնել կամ փոխել հերթականությունը այս \"եթե\" բլոկը վերակարգավորելու համար։",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Ավելացնում է պայման «եթե» բլոկին:",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Ավելացնել վերջնական ենթաբլոկ (այն կաշխատի, եթե բոլոր պայմանները կեղծ են)",
-	"IOS_OK": "Լավ",
-	"IOS_CANCEL": "Չեղարկել",
-	"IOS_ERROR": "Սխալ",
-	"IOS_PROCEDURES_INPUTS": "ՆԵՐՄՈՒԾՈՒՄ",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Ավելացնել մուտքային փոփոխական",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Թույլատրել արտահայտությունները",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Այս ֆունկցիան կրկնօրինակում է մուտքային փոփոխականները:",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Ավելացնել փոփոխական",
-	"IOS_VARIABLES_ADD_BUTTON": "Ավելացնել",
-	"IOS_VARIABLES_RENAME_BUTTON": "Վերանվանել",
-	"IOS_VARIABLES_DELETE_BUTTON": "Ջնջել",
-	"IOS_VARIABLES_VARIABLE_NAME": "Փոփախականի անունը",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Չես կարող օգտագործել փոփոխականի «դատարկ» անուն",
 	"LOGIC_COMPARE_HELPURL": "https://hy.wikipedia.org/wiki/Անհավասարություն",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Վերադարձնում է ճշմարիտ արժեք, եթե երկու մուտքերն էլ հավասար են միմյանց:",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Վերադարձնում է ճշմարիտ արժեք, եթե երկու մուտքերն էլ հավասար չեն միմյանց:",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Վերադարձնում է ճշմարիտ արժեք, եթե մուտքերից առաջինը փոքր է երկրորդից:",
-	"LOGIC_COMPARE_TOOLTIP_LTE": "Վերադարձնում է ճշմարիտ արժեք, եթե  առաջին մուտքը փոքր կամ հավասար է երկրորդին:",
-	"LOGIC_COMPARE_TOOLTIP_GT": "Վերադարձնում է ճշմարիտ արժեք, եթե  առաջին մուտքը մեծ է երկրորդից:",
-	"LOGIC_COMPARE_TOOLTIP_GTE": "Վերադարձնում է ճշմարիտ արժեք, եթե  առաջին մուտքը մեծ կամ հավասար է երկրորդին:",
+	"LOGIC_COMPARE_TOOLTIP_LTE": "Վերադարձնում է ճշմարիտ արժեք, եթե առաջին մուտքը փոքր կամ հավասար է երկրորդին:",
+	"LOGIC_COMPARE_TOOLTIP_GT": "Վերադարձնում է ճշմարիտ արժեք, եթե առաջին մուտքը մեծ է երկրորդից:",
+	"LOGIC_COMPARE_TOOLTIP_GTE": "Վերադարձնում է ճշմարիտ արժեք, եթե առաջին մուտքը մեծ կամ հավասար է երկրորդին:",
 	"LOGIC_OPERATION_TOOLTIP_AND": "Վերադարձնում է ճշմարիտ արժեք, եթե երկու մուտքերն էլ ճշմարիտ են:",
 	"LOGIC_OPERATION_AND": "և",
 	"LOGIC_OPERATION_TOOLTIP_OR": "Վերադարձնում է ճշմարիտ արժեք, եթե մուտքերից գոնե մեկը ճշմարիտ է:",
@@ -120,13 +110,18 @@
 	"LOGIC_TERNARY_TOOLTIP": "Ստուգում է ընտրության պայմանը։ Եթե այն ճշմարիտ է, վերադարձնում է առաջին արժեքը, հակառակ դեպքում ՝ երկրորդը։",
 	"MATH_NUMBER_HELPURL": "https://hy.wikipedia.org/wiki/Թիվ",
 	"MATH_NUMBER_TOOLTIP": "Թիվ",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "arcsin",
+	"MATH_TRIG_ACOS": "arccos",
+	"MATH_TRIG_ATAN": "arctan",
 	"MATH_ARITHMETIC_HELPURL": "https://hy.wikipedia.org/wiki/Թվաբանություն",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Վերադարձնում է երկու թվերի գումարը:",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Վերադարձնում է երկու թվերի տարբերությունը:",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Վերադարձնում է երկու թվերի արտադրյալը",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Վերադարձնում է քանորդը",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Վերադարձնում է առաջին թիվի աստիճանը",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "Քառակուսի արմատ",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Վերադարձնում է թվի քառակուսի աստիճանը",
 	"MATH_SINGLE_OP_ABSOLUTE": "բացարձակ",
@@ -175,12 +170,12 @@
 	"MATH_ONLIST_OPERATOR_STD_DEV": "ցանկի ստանդարտ շեղում",
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Վերադարձնում է ցանկի ստանդարտ շեղումը:",
 	"MATH_ONLIST_OPERATOR_RANDOM": "ցանկի պատահական տարր",
-	"MATH_ONLIST_TOOLTIP_RANDOM": "Վերադարձնում է  պատահական տարր ցանկից:",
+	"MATH_ONLIST_TOOLTIP_RANDOM": "Վերադարձնում է պատահական տարր ցանկից:",
 	"MATH_MODULO_TITLE": "%1֊ի և %2֊ի բաժանման մնացորդը",
 	"MATH_MODULO_TOOLTIP": "Վերադարձնում է երկու թվերի բաժանման մնացորդը:",
 	"MATH_CONSTRAIN_TITLE": "սահմանափակել %1֊ը %2֊ի և %3֊ի միջև",
 	"MATH_CONSTRAIN_TOOLTIP": "Սահմանափակել թիվը երկու արժեքներով (ներառյալ)",
-	"MATH_RANDOM_INT_TITLE": "պատահական ամբողջ թիվ %1 -ից  %2 -ը",
+	"MATH_RANDOM_INT_TITLE": "պատահական ամբողջ թիվ %1 -ից %2 -ը",
 	"MATH_RANDOM_INT_TOOLTIP": "Վերադարձնում է պատահական ամբողջ թիվ տրված երկու թվերի միջև (ներառյալ):",
 	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Պատահական_թվերի_գեներատոր",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "պատահական կոտորակ",
@@ -199,7 +194,7 @@
 	"TEXT_LENGTH_TOOLTIP": "Վերադարձնում է տրված տեքստի տառերի քանակը (ներառյալ բացատները)",
 	"TEXT_ISEMPTY_TITLE": "%1 -ը դատարկ է",
 	"TEXT_ISEMPTY_TOOLTIP": "Վերադարձնում է ճշմարիտ արժեք, եթե տրամադրված տեքստը դատարկ է:",
-	"TEXT_INDEXOF_TOOLTIP": "Վերադարձնում է առաջին տեքստի հանդիպման առաջին(կամ վերջին) դիրքը երկրորդ տեքստում։ Վերադարձնում %1 եթե տեքստը չի գտնվել։",
+	"TEXT_INDEXOF_TOOLTIP": "Վերադարձնում է առաջին տեքստի հանդիպման առաջին (կամ վերջին) դիրքը երկրորդ տեքստում։ Վերադարձնում է %1, եթե տեքստը չի գտնվել։",
 	"TEXT_INDEXOF_TITLE": "Տեքստում %1 %2 %3",
 	"TEXT_INDEXOF_OPERATOR_FIRST": "գտնել տեքստի առաջին հանդիպումը",
 	"TEXT_INDEXOF_OPERATOR_LAST": "գտնել տեքստի վերջին հանդիպումը",
@@ -207,7 +202,7 @@
 	"TEXT_CHARAT_FROM_START": "վերցնել տառ №",
 	"TEXT_CHARAT_FROM_END": "վերցնել տառ № վերջից",
 	"TEXT_CHARAT_FIRST": "վերցնել առաջին տառը",
-	"TEXT_CHARAT_LAST": "վերցնել վերջին տառ",
+	"TEXT_CHARAT_LAST": "վերցնել վերջին տառը",
 	"TEXT_CHARAT_RANDOM": "վերցնել պատահական տառ",
 	"TEXT_CHARAT_TOOLTIP": "Վերադարձնում է նշված դիրքի տառը",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "Վերադարձնում է տեքստի նշված մասը։",
@@ -234,7 +229,7 @@
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Հարցնել տեքստ օգտատիրոջից։",
 	"TEXT_COUNT_MESSAGE0": "հաշվել %1 %2֊ում",
 	"TEXT_COUNT_TOOLTIP": "Հաշվել, թե քանի անգամ է տեքստը հանդիպում մեկ այլ տեքստի մեջ։",
-	"TEXT_REPLACE_MESSAGE0": "փոխարինել %1֊ը  %2֊ով %3֊ում",
+	"TEXT_REPLACE_MESSAGE0": "փոխարինել %1֊ը %2֊ով %3֊ում",
 	"TEXT_REPLACE_TOOLTIP": "Փոխարինել տեքստի բոլոր գտնված տարբերակները մեկ այլ տեսքով։",
 	"TEXT_REVERSE_MESSAGE0": "շրջել %1",
 	"TEXT_REVERSE_TOOLTIP": "Փոխում է տեքստում տառերի հաջորդականությունը։",
@@ -258,6 +253,7 @@
 	"LISTS_GET_INDEX_GET": "վերցնել",
 	"LISTS_GET_INDEX_GET_REMOVE": "վերցնել և հեռացնել",
 	"LISTS_GET_INDEX_REMOVE": "հեռացնել",
+	"LISTS_GET_INDEX_FROM_START": "№",
 	"LISTS_GET_INDEX_FROM_END": "№ վերջից",
 	"LISTS_GET_INDEX_FIRST": "առաջինը",
 	"LISTS_GET_INDEX_LAST": "վերջինը",
@@ -318,7 +314,7 @@
 	"PROCEDURES_BEFORE_PARAMS": "պարամետրերի ցանկ՝",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "պարամետրերի ցանկ՝",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Ստեղծում է ֆունկցիա, որը արժեք չի վերադարձնում:",
-	"PROCEDURES_DEFNORETURN_COMMENT": "Նկարագրիր այս ֆունկցիան...",
+	"PROCEDURES_DEFNORETURN_COMMENT": "Նկարագրեք այս գործառույթը...",
 	"PROCEDURES_DEFRETURN_RETURN": "վերադարձնել",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Ստեղծում է ֆունկցիա, որը վերադարձնում է արժեք:",
 	"PROCEDURES_ALLOW_STATEMENTS": "թույլատրել արտահայտությունները",
@@ -333,5 +329,9 @@
 	"PROCEDURES_CREATE_DO": "Ստեղծել '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Եթե արժեքը ճշմարիտ է, վերադարձնում է երկորդ արժեքը:",
 	"PROCEDURES_IFRETURN_WARNING": "Զգուշացում. Այս բլոկը կարող է օգտագործվել միայն ֆունկցիայի սահմանման ներսում:",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Մի բան ասա ․․․"
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Մի բան ասա ․․․",
+	"WORKSPACE_ARIA_LABEL": "Blockly աշխատատարածք",
+	"COLLAPSED_WARNINGS_WARNING": "Ծալված բլոկները զգուշացումներ են պարունակում։",
+	"DIALOG_OK": "Լավ",
+	"DIALOG_CANCEL": "Չեղարկել"
 }
diff --git a/msg/json/ia.json b/msg/json/ia.json
index e0091614b52..f7600660271 100644
--- a/msg/json/ia.json
+++ b/msg/json/ia.json
@@ -3,7 +3,8 @@
 		"authors": [
 			"Fanjiayi",
 			"Karmwiki",
-			"McDutchie"
+			"McDutchie",
+			"Zauzolkov"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "cosa",
@@ -19,10 +20,10 @@
 	"DELETE_X_BLOCKS": "Deler %1 blocos",
 	"DELETE_ALL_BLOCKS": "Deler tote le %1 blocos?",
 	"CLEAN_UP": "Rangiar le blocos",
-	"COLLAPSE_BLOCK": "Plicar bloco",
-	"COLLAPSE_ALL": "Plicar blocos",
-	"EXPAND_BLOCK": "Displicar bloco",
-	"EXPAND_ALL": "Displicar blocos",
+	"COLLAPSE_BLOCK": "Contraher bloco",
+	"COLLAPSE_ALL": "Contraher blocos",
+	"EXPAND_BLOCK": "Expander bloco",
+	"EXPAND_ALL": "Expander blocos",
 	"DISABLE_BLOCK": "Disactivar bloco",
 	"ENABLE_BLOCK": "Activar bloco",
 	"HELP": "Adjuta",
@@ -39,6 +40,7 @@
 	"NEW_VARIABLE_TITLE": "Nomine del nove variabile:",
 	"VARIABLE_ALREADY_EXISTS": "Un variabile con le nomine '%1' jam existe.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Un variabile con le nomine '%1' jam existe pro un altere typo: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Un variabile con le nomine '%1' ja existe como parametro in le procedura '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "Deler %1 usos del variabile '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Impossibile deler le variabile '%1' perque illo face parte del definition del function '%2'",
 	"DELETE_VARIABLE": "Deler le variabile '%1'",
@@ -83,19 +85,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Adde, remove o reordina sectiones pro reconfigurar iste bloco \"si\".",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Adder un condition al bloco \"si\".",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Adder un condition final de reserva al bloco \"si\".",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Cancellar",
-	"IOS_ERROR": "Error",
-	"IOS_PROCEDURES_INPUTS": "ENTRATAS",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Adder entrata",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Permitter declarationes",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Iste function ha entratas duplicate.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Adder variabile",
-	"IOS_VARIABLES_ADD_BUTTON": "Adder",
-	"IOS_VARIABLES_RENAME_BUTTON": "Renominar",
-	"IOS_VARIABLES_DELETE_BUTTON": "Deler",
-	"IOS_VARIABLES_VARIABLE_NAME": "Nomine del variabile",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Non es possibile usar un nomine de variabile vacue.",
 	"LOGIC_COMPARE_HELPURL": "https://ia.wikipedia.org/wiki/Inequalitate_(mathematica)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Retornar ver si le duo entratas es equal.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Retornar ver si le duo entratas non es equal.",
@@ -120,6 +109,12 @@
 	"LOGIC_TERNARY_TOOLTIP": "Verificar le condition in 'test'. Si le condition es ver, retorna le valor de 'si ver'; si non, retorna le valor de 'si false'.",
 	"MATH_NUMBER_HELPURL": "https://ia.wikipedia.org/wiki/Numero",
 	"MATH_NUMBER_TOOLTIP": "Un numero.",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
 	"MATH_ARITHMETIC_HELPURL": "https://ia.wikipedia.org/wiki/Arithmetica",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Retornar le summa del duo numeros.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Retornar le differentia del duo numeros.",
@@ -133,8 +128,8 @@
 	"MATH_SINGLE_TOOLTIP_ABS": "Retornar le valor absolute de un numero.",
 	"MATH_SINGLE_TOOLTIP_NEG": "Retornar le negation de un numero.",
 	"MATH_SINGLE_TOOLTIP_LN": "Retornar le logarithmo natural de un numero.",
-	"MATH_SINGLE_TOOLTIP_LOG10": "Retornar le logarithmo in base 10 del numero.",
-	"MATH_SINGLE_TOOLTIP_EXP": "Retornar e elevate al potentia del numero.",
+	"MATH_SINGLE_TOOLTIP_LOG10": "Retornar le logarithmo in base 10 de un numero.",
+	"MATH_SINGLE_TOOLTIP_EXP": "Retornar e elevate al potentia de un numero.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Retornar 10 elevate al potentia de un numero.",
 	"MATH_TRIG_TOOLTIP_SIN": "Retornar le sino de un grado (non radiano).",
 	"MATH_TRIG_TOOLTIP_COS": "Retornar le cosino de un grado (non radiano).",
@@ -253,9 +248,11 @@
 	"LISTS_INDEX_OF_FIRST": "cercar le prime occurrentia del elemento",
 	"LISTS_INDEX_OF_LAST": "cercar le ultime occurrentia del elemento",
 	"LISTS_INDEX_OF_TOOLTIP": "Retorna le indice del prime/ultime occurrentia del elemento in le lista. Retorna %1 si le elemento non es trovate.",
+	"LISTS_GET_INDEX_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list",
 	"LISTS_GET_INDEX_GET": "prender",
 	"LISTS_GET_INDEX_GET_REMOVE": "prender e remover",
 	"LISTS_GET_INDEX_REMOVE": "remover",
+	"LISTS_GET_INDEX_FROM_START": "#",
 	"LISTS_GET_INDEX_FROM_END": "№ ab fin",
 	"LISTS_GET_INDEX_FIRST": "prime",
 	"LISTS_GET_INDEX_LAST": "ultime",
@@ -286,7 +283,7 @@
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Adjunge le elemento al fin de un lista.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "Insere le elemento a un position aleatori in un lista.",
 	"LISTS_GET_SUBLIST_START_FROM_START": "prender sublista ab №",
-	"LISTS_GET_SUBLIST_START_FROM_END": "prender sublista ab le fin ab №",
+	"LISTS_GET_SUBLIST_START_FROM_END": "prender sublista ab № a partir del fin",
 	"LISTS_GET_SUBLIST_START_FIRST": "prender sublista ab initio",
 	"LISTS_GET_SUBLIST_END_FROM_START": "usque al №",
 	"LISTS_GET_SUBLIST_END_FROM_END": "usque al № ab fin",
@@ -315,6 +312,7 @@
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "facer qualcosa",
 	"PROCEDURES_BEFORE_PARAMS": "con:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "con:",
+	"PROCEDURES_CALL_DISABLED_DEF_WARNING": "Non es possibile executar le function definite per le usator ‘%1’ perque le bloco de definition es disactivate.",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Crea un function que non retorna un valor.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Describe iste function...",
 	"PROCEDURES_DEFRETURN_RETURN": "retornar",
@@ -333,5 +331,7 @@
 	"PROCEDURES_IFRETURN_WARNING": "Attention: Iste bloco pote solmente esser usate in le definition de un function.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Dice qualcosa...",
 	"WORKSPACE_ARIA_LABEL": "Spatio de travalio de Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "Blocos plicate contine advertimentos."
+	"COLLAPSED_WARNINGS_WARNING": "Il ha blocos contrahite con advertimentos.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Cancellar"
 }
diff --git a/msg/json/id.json b/msg/json/id.json
index 66fbb1d7512..bea468f98af 100644
--- a/msg/json/id.json
+++ b/msg/json/id.json
@@ -1,25 +1,32 @@
 {
 	"@metadata": {
 		"authors": [
+			"Adisetiawan",
+			"Akmaie Ajam",
 			"Arifin.wijaya",
+			"Daud I.F. Argana",
 			"Kasimtan",
 			"Kenrick95",
 			"Marwan Mohamad",
 			"Mirws",
+			"PutriAmalia1991",
+			"Veracious",
 			"아라"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "item",
+	"UNNAMED_KEY": "tanpa nama",
 	"TODAY": "Hari ini",
-	"DUPLICATE_BLOCK": "Duplikat",
+	"DUPLICATE_BLOCK": "Gandakan",
 	"ADD_COMMENT": "Tambahkan Komentar",
 	"REMOVE_COMMENT": "Hapus Komentar",
+	"DUPLICATE_COMMENT": "Gandakan Komentar",
 	"EXTERNAL_INPUTS": "Input Eksternal",
 	"INLINE_INPUTS": "Input Inline",
 	"DELETE_BLOCK": "Hapus Blok",
 	"DELETE_X_BLOCKS": "Hapus %1 Blok",
 	"DELETE_ALL_BLOCKS": "Hapus semua %1 blok?",
-	"CLEAN_UP": "Bersihkan Blok",
+	"CLEAN_UP": "Rapikan Blok",
 	"COLLAPSE_BLOCK": "Ciutkan Blok",
 	"COLLAPSE_ALL": "Ciutkan Blok",
 	"EXPAND_BLOCK": "Kembangkan Blok",
@@ -33,27 +40,30 @@
 	"RENAME_VARIABLE": "Ubah nama variabel...",
 	"RENAME_VARIABLE_TITLE": "Ubah nama semua variabel '%1' menjadi:",
 	"NEW_VARIABLE": "Buat variabel...",
+	"NEW_STRING_VARIABLE": "Buat variabel string...",
+	"NEW_NUMBER_VARIABLE": "Buat variabel number...",
+	"NEW_COLOUR_VARIABLE": "Buat variabel warna...",
+	"NEW_VARIABLE_TYPE_TITLE": "Tipe variabel baru:",
 	"NEW_VARIABLE_TITLE": "Nama variabel baru:",
 	"VARIABLE_ALREADY_EXISTS": "Sebuah variabel dengan nama '%1' sudah ada.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Variabel dengan nama '%1' sudah ada dengan tipe lain: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Variabel bernama '%1' sudah ada sebagai parameter dalam prosedur '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "Hapus %1 yang digunakan pada variabel '%2'?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Tidak bisa menghapus variabel '%1' karena variabel ini bagian dari sebuah definisi dari fungsi '%2'",
 	"DELETE_VARIABLE": "Hapus variabel '%1'",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "Pilih warna dari daftar warna.",
 	"COLOUR_RANDOM_TITLE": "Warna acak",
 	"COLOUR_RANDOM_TOOLTIP": "Pilih warna secara acak.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "Dengan warna",
 	"COLOUR_RGB_RED": "merah",
 	"COLOUR_RGB_GREEN": "hijau",
 	"COLOUR_RGB_BLUE": "biru",
-	"COLOUR_RGB_TOOLTIP": "Buatlah warna dengan jumlah yang ditentukan dari merah, hijau dan biru. Semua nilai harus antarai 0 sampai 100.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
+	"COLOUR_RGB_TOOLTIP": "Buatlah warna dengan jumlah yang ditentukan dari merah, hijau dan biru. Semua nilai harus di antara 0 sampai 100.",
 	"COLOUR_BLEND_TITLE": "campur",
 	"COLOUR_BLEND_COLOUR1": "warna 1",
 	"COLOUR_BLEND_COLOUR2": "warna 2",
-	"COLOUR_BLEND_RATIO": "rasio",
+	"COLOUR_BLEND_RATIO": "perbandingan",
 	"COLOUR_BLEND_TOOLTIP": "Campur dua warna secara bersamaan dengan perbandingan (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "ulangi %1 kali",
 	"CONTROLS_REPEAT_INPUT_DO": "kerjakan",
 	"CONTROLS_REPEAT_TOOLTIP": "Lakukan beberapa perintah beberapa kali.",
@@ -80,7 +90,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Tambahkan, hapus, atau susun kembali bagian untuk mengkonfigurasi blok IF ini.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Tambahkan prasyarat ke dalam blok IF.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Terakhir, tambahkan kondisi tangkap-semua kedalam blok IF.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Kembalikan benar jika kedua input sama satu dengan lainnya.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Kembalikan benar jika kedua input tidak sama satu dengan lainnya.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Kembalikan benar jika input pertama lebih kecil dari input kedua.",
@@ -96,21 +105,13 @@
 	"LOGIC_BOOLEAN_TRUE": "benar",
 	"LOGIC_BOOLEAN_FALSE": "salah",
 	"LOGIC_BOOLEAN_TOOLTIP": "Kembalikan benar atau salah.",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "null",
 	"LOGIC_NULL_TOOLTIP": "Kembalikan null.",
-	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "test",
 	"LOGIC_TERNARY_IF_TRUE": "jika benar",
 	"LOGIC_TERNARY_IF_FALSE": "jika salah",
 	"LOGIC_TERNARY_TOOLTIP": "Periksa kondisi di 'test'. Jika kondisi benar, kembalikan nilai 'if true'; jika sebaliknya kembalikan nilai 'if false'.",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "Suatu angka.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tan",
@@ -123,7 +124,6 @@
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Kembalikan perkalian dari kedua angka.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Kembalikan hasil bagi dari kedua angka.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Kembalikan angka pertama pangkat angka kedua.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "akar",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Kembalikan akar dari angka.",
 	"MATH_SINGLE_OP_ABSOLUTE": "mutlak",
@@ -133,14 +133,12 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Kembalikan dasar logaritma 10 dari angka.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Kembalikan 10 pangkat angka.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Kembalikan 10 pangkat angka.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "Kembalikan sinus dari derajat (bukan radian).",
 	"MATH_TRIG_TOOLTIP_COS": "Kembalikan cosinus dari derajat (bukan radian).",
 	"MATH_TRIG_TOOLTIP_TAN": "Kembalikan tangen dari derajat (bukan radian).",
 	"MATH_TRIG_TOOLTIP_ASIN": "Kembalikan asin dari angka.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Kembalikan acosine dari angka.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Kembalikan atan dari angka.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Kembalikan salah satu konstanta: π (3,141…), e (2,718…), φ (1,618…), akar(2) (1,414…), akar(½) (0.707…), atau ∞ (tak terhingga).",
 	"MATH_IS_EVEN": "adalah bilangan genap",
 	"MATH_IS_ODD": "adalah bilangan ganjil",
@@ -150,10 +148,8 @@
 	"MATH_IS_NEGATIVE": "adalah bilangan negatif",
 	"MATH_IS_DIVISIBLE_BY": "dapat dibagi oleh",
 	"MATH_IS_TOOLTIP": "Periksa apakah angka adalah bilangan genap, bilangan ganjil, bilangan pokok, bilangan bulat, bilangan positif, bilangan negatif, atau apakan bisa dibagi oleh angka tertentu. Kembalikan benar atau salah.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "ubah %1 oleh %2",
 	"MATH_CHANGE_TOOLTIP": "Tambahkan angka kedalam variabel '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Bulatkan suatu bilangan naik atau turun.",
 	"MATH_ROUND_OPERATOR_ROUND": "membulatkan",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "membulatkan keatas",
@@ -174,18 +170,16 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Kembalikan standard deviasi dari list.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "item acak dari list",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Kembalikan elemen acak dari list.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "sisa dari %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Kembalikan sisa dari pembagian ke dua angka.",
 	"MATH_CONSTRAIN_TITLE": "Batasi %1 rendah %2 tinggi %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Batasi angka antara batas yang ditentukan (inklusif).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "acak bulat dari %1 sampai %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Kembalikan bilangan acak antara dua batas yang ditentukan, inklusif.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "nilai pecahan acak",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Kembalikan nilai pecahan acak antara 0.0 (inklusif) dan 1.0 (eksklusif).",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
+	"MATH_ATAN2_TITLE": "atan2 of X:%1 Y:%2",
+	"MATH_ATAN2_TOOLTIP": "Kembalikan arctangen titik (X, Y) dalam derajat dari -180 hingga 180.",
 	"TEXT_TEXT_TOOLTIP": "Huruf, kata atau baris teks.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "buat teks dengan",
 	"TEXT_JOIN_TOOLTIP": "Buat teks dengan cara gabungkan sejumlah item.",
@@ -202,10 +196,11 @@
 	"TEXT_INDEXOF_TITLE": "dalam teks %1 %2 %3",
 	"TEXT_INDEXOF_OPERATOR_FIRST": "temukan kejadian pertama dalam teks",
 	"TEXT_INDEXOF_OPERATOR_LAST": "temukan kejadian terakhir dalam teks",
+	"TEXT_CHARAT_TITLE": "dalam teks %1 %2",
 	"TEXT_CHARAT_FROM_START": "ambil huruf ke #",
-	"TEXT_CHARAT_FROM_END": "ambil  huruf nomor # dari belakang",
-	"TEXT_CHARAT_FIRST": "ambil  huruf pertama",
-	"TEXT_CHARAT_LAST": "ambil  huruf terakhir",
+	"TEXT_CHARAT_FROM_END": "ambil huruf nomor # dari belakang",
+	"TEXT_CHARAT_FIRST": "ambil huruf pertama",
+	"TEXT_CHARAT_LAST": "ambil huruf terakhir",
 	"TEXT_CHARAT_RANDOM": "ambil huruf secara acak",
 	"TEXT_CHARAT_TOOLTIP": "Kembalikan karakter dari posisi tertentu.",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "Kembalikan spesifik bagian dari teks.",
@@ -230,7 +225,12 @@
 	"TEXT_PROMPT_TYPE_NUMBER": "Meminta angka dengan pesan",
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Meminta pengguna untuk memberi sebuah angka.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Meminta pengguna untuk memberi beberapa teks.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
+	"TEXT_COUNT_MESSAGE0": "hitung %1 dalam %2",
+	"TEXT_COUNT_TOOLTIP": "Hitung berapa banyak teks muncul dalam teks lain.",
+	"TEXT_REPLACE_MESSAGE0": "ganti %1 dengan %2 dalam %3",
+	"TEXT_REPLACE_TOOLTIP": "Ganti semua kemunculan teks dalam teks lain.",
+	"TEXT_REVERSE_MESSAGE0": "balikkan %1",
+	"TEXT_REVERSE_TOOLTIP": "Balikkan urutan huruf dalam teks.",
 	"LISTS_CREATE_EMPTY_TITLE": "buat list kosong",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Kembalikan list, dengan panjang 0, tidak berisi data",
 	"LISTS_CREATE_WITH_TOOLTIP": "Buat sebuah list dengan sejumlah item.",
@@ -288,7 +288,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "ke # dari akhir",
 	"LISTS_GET_SUBLIST_END_LAST": "ke yang paling akhir",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Buat salinan bagian tertentu dari list.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "urutkan %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Urutkan salinan dari daftar",
 	"LISTS_SORT_ORDER_ASCENDING": "menaik",
@@ -301,27 +300,25 @@
 	"LISTS_SPLIT_WITH_DELIMITER": "dengan pembatas",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Membagi teks ke dalam daftar teks, pisahkan pada setiap pembatas.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Gabung daftar teks menjadi satu teks, yang dipisahkan oleh pembatas.",
+	"LISTS_REVERSE_MESSAGE0": "balikkan %1",
+	"LISTS_REVERSE_TOOLTIP": "Balikkan salinan dari daftar.",
 	"VARIABLES_GET_TOOLTIP": "Kembalikan nilai variabel ini.",
 	"VARIABLES_GET_CREATE_SET": "Buat 'set %1'",
 	"VARIABLES_SET": "tetapkan %1 untuk %2",
 	"VARIABLES_SET_TOOLTIP": "tetapkan variabel ini dengan input yang sama.",
 	"VARIABLES_SET_CREATE_GET": "Buat 'get %1'",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFNORETURN_TITLE": "untuk",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "buat sesuatu",
 	"PROCEDURES_BEFORE_PARAMS": "dengan:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "dengan:",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Buat sebuah fungsi tanpa output.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Jelaskan fungsi ini...",
-	"PROCEDURES_DEFRETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFRETURN_RETURN": "kembali",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Buat sebuah fungsi dengan satu output.",
 	"PROCEDURES_ALLOW_STATEMENTS": "memungkinkan pernyataan",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Peringatan: Fungsi ini memiliki parameter duplikat.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Menjalankan fungsi '%1' yang ditetapkan pengguna.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
-	"PROCEDURES_CALLRETURN_TOOLTIP": "Menjalankan fungsi  '%1' yang ditetapkan pengguna dan menggunakan outputnya.",
+	"PROCEDURES_CALLRETURN_TOOLTIP": "Menjalankan fungsi '%1' yang ditetapkan pengguna dan menggunakan outputnya.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "input",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Menambah, menghapus, atau menyusun ulang masukan untuk fungsi ini.",
 	"PROCEDURES_MUTATORARG_TITLE": "masukan Nama:",
@@ -329,5 +326,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Sorot definisi fungsi",
 	"PROCEDURES_CREATE_DO": "Buat '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Jika nilai yang benar, kemudian kembalikan nilai kedua.",
-	"PROCEDURES_IFRETURN_WARNING": "Peringatan: Blok ini dapat digunakan hanya dalam definisi fungsi."
+	"PROCEDURES_IFRETURN_WARNING": "Peringatan: Blok ini dapat digunakan hanya dalam definisi fungsi.",
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Ucapkan sesuatu...",
+	"WORKSPACE_ARIA_LABEL": "Ruang Kerja Blockly",
+	"COLLAPSED_WARNINGS_WARNING": "Blok yang diciutkan memiliki peringatan.",
+	"DIALOG_OK": "Oke",
+	"DIALOG_CANCEL": "Batal"
 }
diff --git a/msg/json/ig.json b/msg/json/ig.json
index 7f4fc2b0714..229acf3eab0 100644
--- a/msg/json/ig.json
+++ b/msg/json/ig.json
@@ -2,10 +2,12 @@
 	"@metadata": {
 		"authors": [
 			"Mapmeld",
+			"Timzy D'Great",
 			"Ukabia"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "ihe",
+	"UNNAMED_KEY": "enweghị aha",
 	"TODAY": "Taa",
 	"DUPLICATE_BLOCK": "Ntụgharị",
 	"ADD_COMMENT": "Tịnye okwu",
@@ -40,7 +42,6 @@
 	"DELETE_VARIABLE_CONFIRMATION": "Kpochapụ %1 ojịjị nke agbanwe '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Agaghị ekpochapụlị agbanwe '%1' maka nsonye ya na nkọwa nke ọrụ ahụ '%2'",
 	"DELETE_VARIABLE": "Kpochapụ agbanwe ‘%1' ahu",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "Họrọ agba site na palette.",
 	"COLOUR_RANDOM_TITLE": "agba ọbụla",
 	"COLOUR_RANDOM_TOOLTIP": "Họrọ agba na-nke ọbụla.",
@@ -54,7 +55,6 @@
 	"COLOUR_BLEND_COLOUR2": "agba 2",
 	"COLOUR_BLEND_RATIO": "oke",
 	"COLOUR_BLEND_TOOLTIP": "Na ngwakọta agba abụọ ọnụ na na oke enyere (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "meghachi ụgbọ %1",
 	"CONTROLS_REPEAT_INPUT_DO": "mee",
 	"CONTROLS_REPEAT_TOOLTIP": "Mee ụfọdụ okwu ọtụtụ ugboro.",
@@ -81,20 +81,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Tinye, wepu, ma ọ bụ megharia ngalaba iji haziearịa nke a ma ọ bụrụ na ngọngọ.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Tinye ọnọdụ na ngọngọ ma ọ bụrụ.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Tinye ngwucha, ọnọdụ jide-niile na ngọngọ ma ọ bụrụ.",
-	"IOS_OK": "Ọ DỊ MMA",
-	"IOS_CANCEL": "Hapụ̀",
-	"IOS_ERROR": "Njehie",
-	"IOS_PROCEDURES_INPUTS": "NTINYE",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Tinye ntinye",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Kwe ka okwu",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Ọrụ a nwere ọnụọgụ abụọ.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Tinye agbanwe",
-	"IOS_VARIABLES_ADD_BUTTON": "Tinye",
-	"IOS_VARIABLES_RENAME_BUTTON": "Nyegharịa aha",
-	"IOS_VARIABLES_DELETE_BUTTON": "Kpochapụ",
-	"IOS_VARIABLES_VARIABLE_NAME": "Aha agbanwe",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Ị nweghị ike iji aha agbanwe dị n’efu.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Weghachi ezịọkwụ ma ọ bụrụ na ntinye hatara onwe ha.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Weghachi ezịọkwụ ma ọ bụrụ na ntinye aghataghị onwe ha.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Weghachi ezịọkwụ ma ọ bụrụ na ntinye mbu dị obere karia ntinye nke abụọ.",
@@ -116,15 +102,18 @@
 	"LOGIC_TERNARY_IF_TRUE": "ọ bụrụ na eziokwu",
 	"LOGIC_TERNARY_IF_FALSE": "ọ bụrụ ụgha",
 	"LOGIC_TERNARY_TOOLTIP": "Lelee ọnọdụ na 'ule'. Ọ bụrụ na ọnọdụ ahụ bụ eziokwu, weghachitere akara 'ọ bụrụ na eziokwu’; ma ọ bụghị ya weghachitere akara 'ọ bụrụ ụgha'.",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "Ọnụọgụgụ.",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
+	"MATH_TRIG_SIN": "mmehie",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Weghachite ngụkọ ọnụ ọgụgụ abụọ ahụ.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Weghachite nwepụ ọnụ ọgụgụ abụọ ahụ.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Weghachite mụbaa ọnụ ọgụgụ abụọ ahụ.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Weghachite kwenye ọnụ ọgụgụ abụọ ahụ.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Weghachite nọmba mbu nke emeturu ike nke nọmba nke abụọ.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "Isi ngụkọ",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Weghachite Isi ngụkọ nke nọmba.",
 	"MATH_SINGLE_OP_ABSOLUTE": "ozụzụ",
@@ -134,14 +123,12 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Weghachite isi lọgarịdịm 10 nke nọmba.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Weghachite na ike nke nọmba.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Weghachite 10 na ike nke nọmba.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "Weghachite saịn nke ogo (ọ bụghị redian).",
 	"MATH_TRIG_TOOLTIP_COS": "Weghachite kosaịn nke ogo (ọ bụghị redian).",
 	"MATH_TRIG_TOOLTIP_TAN": "Weghachite tanjentị nke ogo (ọ bụghị redian).",
 	"MATH_TRIG_TOOLTIP_ASIN": "Weghachite aksaịn nke nọmba.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Weghachite akosaịn nke nọmba.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Weghachite aktanjentị nke nọmba.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Weghachite otu n'ime kọnstant ndị nkịtị: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).",
 	"MATH_IS_EVEN": "bụ ịvụn",
 	"MATH_IS_ODD": "bụ ọd",
@@ -151,10 +138,8 @@
 	"MATH_IS_NEGATIVE": "bụ negetịf",
 	"MATH_IS_DIVISIBLE_BY": "ga ekenwụ",
 	"MATH_IS_TOOLTIP": "Tụlee ma nọmba ọ bụ ịvụn, ọd, praim, zuru ezu, posịtịf, negetịf, ma e nwere nọmba ga ekenwu ya. Weghachitere eziokwu ma ọ bụ ụgha.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "gbanwee %1 site na %2",
 	"MATH_CHANGE_TOOLTIP": "Tinye nọmba na agbanwe '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Gbaago nọmba n'elu ma ọ bụ ala.",
 	"MATH_ROUND_OPERATOR_ROUND": "gbaarịa",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "gbaago elu",
@@ -175,21 +160,16 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Weghachite ntughari usoro nke ndepụta.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "Ihe ọbụla nke ndepụta",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Weghachite Ihe ọbụla site na ndepụta.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "ihe fọdụrụ nke %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Weghachite ihe fọdụrụ site na nkewa nọmba abụọ.",
 	"MATH_CONSTRAIN_TITLE": "gbochịe %1 ala %2 elu %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Gbochịe ọnụọgụgụ dị n'etiti nọmba dị oke ala na nọmba dị oke elu (gụnyere).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "ọnụọgụgụ ọbụla site na %1 rụọ %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Weghachite ọnụọgụgụ ọbụla dị n'etiti ihe abụọ a kapịrị ọnụ, agụnyere.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "nkewa ọbụla",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Weghachite ọnụọgụgụ ọbụla dị n'etiti 0.0 (gụnyere) na 1.0 (agụnyeghị).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 nke X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Weghachite aktanjentị nke isi (X, Y) na ogo site na -180 rụọ 180.",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Akwụkwọ ozi, okwu, ma ọ bụ akara ederede.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "mepụta ederede na",
 	"TEXT_JOIN_TOOLTIP": "Mepụta otu ederede site na ijikọta ọnụ ọgụgụ ihe ọ bụla.",
@@ -261,6 +241,7 @@
 	"LISTS_GET_INDEX_GET": "nweta",
 	"LISTS_GET_INDEX_GET_REMOVE": "nweta ma wepu",
 	"LISTS_GET_INDEX_REMOVE": "wepu",
+	"LISTS_GET_INDEX_FROM_START": "#",
 	"LISTS_GET_INDEX_FROM_END": "# site na njedebe",
 	"LISTS_GET_INDEX_FIRST": "mbu",
 	"LISTS_GET_INDEX_LAST": "ikpeazụ",
@@ -297,7 +278,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "rụọ # site na njedebe",
 	"LISTS_GET_SUBLIST_END_LAST": "rụọ na ngwụcha",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Na-emepụta otu akụkụ a kapịrị ọnụ nke ndepụta.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "hazie %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Tọọ otu akụkụ ndepụta ahụ.",
 	"LISTS_SORT_ORDER_ASCENDING": "arịgo",
@@ -327,9 +307,7 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Na emepụta ọrụ nwere mmepụta.",
 	"PROCEDURES_ALLOW_STATEMENTS": "kwe ka okwu",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Ịdọ aka ná ntị: Ọrụ a nwere ọnụọgụ abụọ.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Gbaa ọrụ a kọwaa onye-ọrụ '%1'.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Gbaa ọrụ a kọwaa onye-ọrụ '%1' ma jiri mmepụta ya.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "ntinye",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Tinye, wepu, ma ọ bụ tugharịa ntinye na ọrụ a.",
@@ -339,5 +317,7 @@
 	"PROCEDURES_CREATE_DO": "Mepụta '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Weghachite akara nke agbanwe a.",
 	"PROCEDURES_IFRETURN_WARNING": "Ịdọ aka ná ntị: Ọrụ a nwere ọnụọgụ abụọ.",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Kwuo ihe ọ bụla..."
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Kwuo ihe ọ bụla...",
+	"DIALOG_OK": "Ọ DỊ MMA",
+	"DIALOG_CANCEL": "Hapụ̀"
 }
diff --git a/msg/json/inh.json b/msg/json/inh.json
new file mode 100644
index 00000000000..c9627b3335f
--- /dev/null
+++ b/msg/json/inh.json
@@ -0,0 +1,80 @@
+{
+	"@metadata": {
+		"authors": [
+			"Adam-Yourist",
+			"ElizaMag",
+			"Sapral Mikail",
+			"Ӏабдуррашид"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "элемент",
+	"UNNAMED_KEY": "цӀи яц",
+	"TODAY": "Тахан",
+	"DUPLICATE_BLOCK": "Шолхадаккха",
+	"ADD_COMMENT": "ТӀатоха алар (комментари)",
+	"REMOVE_COMMENT": "ДӀадаккха алар (комментари)",
+	"DUPLICATE_COMMENT": "Комментарий шолхаяккха",
+	"EXTERNAL_INPUTS": "Арахьара юкъеоттадаьраш",
+	"INLINE_INPUTS": "Чухьнахьара юкъеоттадаьраш",
+	"DELETE_BLOCK": "Блок дӀаяккха",
+	"DELETE_X_BLOCKS": "%1 блок дӀаяккха",
+	"DELETE_ALL_BLOCKS": "ДӀаяккха еррига блокаш (%1)?",
+	"CLEAN_UP": "ДӀаяха блокаш",
+	"COLLAPSE_BLOCK": "ДIахьулъе блок",
+	"COLLAPSE_ALL": "ДIахьулъе блокаш",
+	"EXPAND_BLOCK": "Хьайоаржае блок",
+	"EXPAND_ALL": "Хьайоаржае блокаш",
+	"DISABLE_BLOCK": "ДIайоае блок",
+	"ENABLE_BLOCK": "Блок хьалсага",
+	"HELP": "Новкъoстал",
+	"UNDO": "Юхадаккха",
+	"REDO": "Юхадоаладе",
+	"CHANGE_VALUE_TITLE": "МаIан хувца:",
+	"RENAME_VARIABLE": "Хувцалушъяра цIи хувца...",
+	"RENAME_VARIABLE_TITLE": "Хувца ерригача хувцалушъяраша цIераш укх цIерах '%1':",
+	"NEW_VARIABLE": "Хьакхолла керда хувцалушъяр...",
+	"NEW_STRING_VARIABLE": "Хьакхолла мугӀара хувцалушъяр...",
+	"NEW_NUMBER_VARIABLE": "Хьакхолла таьрахьа хувцалушъяр...",
+	"NEW_COLOUR_VARIABLE": "Хьакхолла беса хувцалушъяр",
+	"NEW_VARIABLE_TYPE_TITLE": "Хувцалушъяра керда тайпа:",
+	"NEW_VARIABLE_TITLE": "Керда хувцалушъяра цIи:",
+	"VARIABLE_ALREADY_EXISTS": "'%1' яхаш йола хувцалушъяр йолаш я.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "'%1' яхаш йола хувцалушъяр кхыча тайпан йолаш я: '%2'",
+	"DELETE_VARIABLE_CONFIRMATION": "'%2' хувцалушъяр %1 лелаяр дӀаяккха езий?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Хувцалушъяр %1 дӀайоаккхалац, хӀана аьлча %2 функце къоастаяра дакъа да из.",
+	"DELETE_VARIABLE": "%1 хувцалушър дӀаяккха",
+	"COLOUR_PICKER_HELPURL": "https://inh.wikipedia.org/wiki/Бос",
+	"COLOUR_PICKER_TOOLTIP": "Харжа палитра чура бос.",
+	"COLOUR_RANDOM_TITLE": "ца ховш нийсбенна бос",
+	"COLOUR_RANDOM_TOOLTIP": "Укхо бос хьахоржа дагадоацача тайпара",
+	"COLOUR_RGB_TITLE": "бесах",
+	"COLOUR_RGB_RED": "цIеча",
+	"COLOUR_RGB_GREEN": "баьццарара",
+	"COLOUR_RGB_BLUE": "сийнача",
+	"COLOUR_RGB_TOOLTIP": "Ӏооттабаьчча боарамах цӀеи, баьццареи, сийнеи бесаш тохаш бос хьакхолла. Деррига боарамаш 0-и 100-ненни юкъе хила деза.",
+	"COLOUR_BLEND_TITLE": "кегаде",
+	"COLOUR_BLEND_COLOUR1": "бос 1",
+	"COLOUR_BLEND_COLOUR2": "бос 2",
+	"COLOUR_BLEND_RATIO": "беса дáкъа 1",
+	"COLOUR_BLEND_TOOLTIP": "Ши бос беззача боарамах вӀашагӀтох (0.0 - 1.0).",
+	"CONTROLS_REPEAT_HELPURL": "https://ru.wikipedia.org/wiki/Цикл_(программирование)",
+	"CONTROLS_REPEAT_TITLE": "юхаде %1-зза",
+	"CONTROLS_REPEAT_INPUT_DO": "кхоачашде",
+	"CONTROLS_IF_MSG_IF": "нагахьа санна",
+	"CONTROLS_IF_MSG_ELSEIF": "вешта нагахьа",
+	"CONTROLS_IF_MSG_ELSE": "вешта",
+	"LOGIC_OPERATION_AND": "иштта",
+	"LOGIC_OPERATION_OR": "e",
+	"LOGIC_BOOLEAN_TRUE": "бакъдар",
+	"LOGIC_BOOLEAN_FALSE": "харцдар",
+	"LOGIC_NULL": "цхьаккха",
+	"LOGIC_NULL_TOOLTIP": "Цхьаккха доаца хIама юхадерзаду.",
+	"LOGIC_TERNARY_IF_TRUE": "нагахьа бакъа дале",
+	"LOGIC_TERNARY_IF_FALSE": "нагахьа харца дале",
+	"MATH_NUMBER_HELPURL": "https://inh.wikipedia.org/wiki/Таьрахь",
+	"MATH_NUMBER_TOOLTIP": "Таьрахь.",
+	"MATH_ARITHMETIC_HELPURL": "https://inh.wikipedia.org/wiki/Арифметика",
+	"PROCEDURES_CREATE_DO": "Хьакхолла дIакхайкар '%1'",
+	"DIALOG_OK": "Мег",
+	"DIALOG_CANCEL": "Эшац"
+}
diff --git a/msg/json/is.json b/msg/json/is.json
index 57eab208d97..13949d8f815 100644
--- a/msg/json/is.json
+++ b/msg/json/is.json
@@ -3,16 +3,18 @@
 		"authors": [
 			"Gaddi00",
 			"Jonbg",
+			"LoveIceLang",
 			"Sveinki",
 			"Sveinn í Felli",
 			"아라"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "atriði",
+	"UNNAMED_KEY": "ónefnt",
 	"TODAY": "Í dag",
 	"DUPLICATE_BLOCK": "Afrita",
-	"ADD_COMMENT": "Skrifa skýringu",
-	"REMOVE_COMMENT": "Fjarlægja skýringu",
+	"ADD_COMMENT": "Bæta við athugasemd",
+	"REMOVE_COMMENT": "Fjarlægja athugasemd",
 	"DUPLICATE_COMMENT": "Tvítaka athugasemd",
 	"EXTERNAL_INPUTS": "Ytri inntök",
 	"INLINE_INPUTS": "Innri inntök",
@@ -24,7 +26,7 @@
 	"COLLAPSE_ALL": "Loka kubbum",
 	"EXPAND_BLOCK": "Opna kubb",
 	"EXPAND_ALL": "Opna kubba",
-	"DISABLE_BLOCK": "Óvirkja kubb",
+	"DISABLE_BLOCK": "Gera kubb óvirkan",
 	"ENABLE_BLOCK": "Virkja kubb",
 	"HELP": "Hjálp",
 	"UNDO": "Afturkalla",
@@ -33,46 +35,45 @@
 	"RENAME_VARIABLE": "Endurnefna breytu...",
 	"RENAME_VARIABLE_TITLE": "Endurnefna allar '%1' breyturnar:",
 	"NEW_VARIABLE": "Búa til breytu...",
+	"NEW_STRING_VARIABLE": "Búa til strengjabreytu...",
+	"NEW_NUMBER_VARIABLE": "Búa til tölubreytu...",
+	"NEW_COLOUR_VARIABLE": "Búðu til litabreytu...",
+	"NEW_VARIABLE_TYPE_TITLE": "Ný breytutegund:",
 	"NEW_VARIABLE_TITLE": "Heiti nýrrar breytu:",
 	"VARIABLE_ALREADY_EXISTS": "Breyta með heitinu '%1' er þegar til staðar.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Breyta sem heitir „%1“ er þegar til fyrir aðra tegund: „%2“.",
+	"DELETE_VARIABLE_CONFIRMATION": "Eyða %1 notar breytuna „%2“?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Get ekki eytt breytunni '%1' vegna þess að hún er hluti af skilgreiningu fallsins '%2'",
 	"DELETE_VARIABLE": "Eyða '%1' breytunni",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "Velja lit úr litakorti.",
-	"COLOUR_RANDOM_TITLE": "einhver litur",
+	"COLOUR_RANDOM_TITLE": "tilviljunarkenndur litur",
 	"COLOUR_RANDOM_TOOLTIP": "Velja einhvern lit af handahófi.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "litur",
 	"COLOUR_RGB_RED": "rauður",
 	"COLOUR_RGB_GREEN": "grænt",
 	"COLOUR_RGB_BLUE": "blátt",
 	"COLOUR_RGB_TOOLTIP": "Búa til lit úr tilteknu magni af rauðu, grænu og bláu. Allar tölurnar verða að vera á bilinu 0 til 100.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "blöndun",
 	"COLOUR_BLEND_COLOUR1": "litur 1",
 	"COLOUR_BLEND_COLOUR2": "litur 2",
 	"COLOUR_BLEND_RATIO": "hlutfall",
 	"COLOUR_BLEND_TOOLTIP": "Blandar tveimur litum í gefnu hlutfalli (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "endurtaka %1 sinnum",
 	"CONTROLS_REPEAT_INPUT_DO": "gera",
 	"CONTROLS_REPEAT_TOOLTIP": "Gera eitthvað aftur og aftur.",
-	"CONTROLS_WHILEUNTIL_HELPURL": "https://github.com/google/blockly/wiki/Loops#repeat",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "endurtaka á meðan",
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "endurtaka þar til",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Endurtaka eitthvað á meðan gildi er satt.",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Endurtaka eitthvað á meðan gildi er ósatt.",
-	"CONTROLS_FOR_HELPURL": "https://github.com/google/blockly/wiki/Loops#count-with",
 	"CONTROLS_FOR_TOOLTIP": "Láta breytuna '%1' taka inn gildi frá fyrstu tölu til síðustu tölu, hlaupandi á tiltekna bilinu og gera tilteknu kubbana.",
 	"CONTROLS_FOR_TITLE": "telja með %1 frá %2 til %3 um %4",
 	"CONTROLS_FOREACH_TITLE": "fyrir hvert %1 í lista %2",
 	"CONTROLS_FOREACH_TOOLTIP": "Fyrir hvert atriði í lista er breyta '%1' stillt á atriðið og skipanir gerðar.",
-	"CONTROLS_FLOW_STATEMENTS_HELPURL": "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "fara út úr lykkju",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "fara beint í næstu umferð lykkjunnar",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Fara út úr umlykjandi lykkju.",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "Sleppa afganginum af lykkjunni og fara beint í næstu umferð hennar.",
 	"CONTROLS_FLOW_STATEMENTS_WARNING": "Aðvörun: Þennan kubb má aðeins nota innan lykkju.",
-	"CONTROLS_IF_HELPURL": "https://github.com/google/blockly/wiki/IfElse",
 	"CONTROLS_IF_TOOLTIP_1": "Ef gildi er satt skal gera einhverjar skipanir.",
 	"CONTROLS_IF_TOOLTIP_2": "Ef gildi er satt skal gera skipanir í fyrri kubbnum. Annars skal gera skipanir í seinni kubbnum.",
 	"CONTROLS_IF_TOOLTIP_3": "Ef fyrra gildið er satt skal gera skipanir í fyrri kubbnum. Annars, ef seinna gildið er satt, þá skal gera skipanir í seinni kubbnum.",
@@ -80,45 +81,30 @@
 	"CONTROLS_IF_MSG_IF": "ef",
 	"CONTROLS_IF_MSG_ELSEIF": "annars ef",
 	"CONTROLS_IF_MSG_ELSE": "annars",
-	"CONTROLS_IF_IF_TOOLTIP": "Bæta við, fjarlægja eða umraða til að breyta skipan þessa EF kubbs.",
-	"CONTROLS_IF_ELSEIF_TOOLTIP": "Bæta skilyrði við EF kubbinn.",
-	"CONTROLS_IF_ELSE_TOOLTIP": "Bæta við hluta EF kubbs sem grípur öll tilfelli sem uppfylla ekki hin skilyrðin.",
-	"IOS_OK": "Í lagi",
-	"IOS_CANCEL": "Hætta við",
-	"IOS_ERROR": "Villa",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Bæta við breytu",
-	"IOS_VARIABLES_ADD_BUTTON": "Bæta við",
-	"IOS_VARIABLES_RENAME_BUTTON": "Endurnefna",
-	"IOS_VARIABLES_DELETE_BUTTON": "Eyða",
-	"IOS_VARIABLES_VARIABLE_NAME": "Nafn breytu",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
+	"CONTROLS_IF_IF_TOOLTIP": "Bæta við, fjarlægja eða umraða til að breyta skipan þessa 'ef'-kubbs.",
+	"CONTROLS_IF_ELSEIF_TOOLTIP": "Bæta skilyrði við 'ef'-kubbinn.",
+	"CONTROLS_IF_ELSE_TOOLTIP": "Bæta við hluta 'ef'-kubbs sem grípur öll tilfelli sem uppfylla ekki hin skilyrðin.",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Skila sönnu ef inntökin eru jöfn.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Skila sönnu ef inntökin eru ekki jöfn.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Skila sönnu ef fyrra inntakið er minna en seinna inntakið.",
 	"LOGIC_COMPARE_TOOLTIP_LTE": "Skila sönnu ef fyrra inntakið er minna en eða jafnt og seinna inntakið.",
 	"LOGIC_COMPARE_TOOLTIP_GT": "Skila sönnu ef fyrra inntakið er stærra en seinna inntakið.",
 	"LOGIC_COMPARE_TOOLTIP_GTE": "Skila sönnu ef fyrra inntakið er stærra en eða jafnt og seinna inntakið.",
-	"LOGIC_OPERATION_HELPURL": "https://github.com/google/blockly/wiki/Logic#logical-operations",
 	"LOGIC_OPERATION_TOOLTIP_AND": "Skila sönnu ef bæði inntökin eru sönn.",
 	"LOGIC_OPERATION_AND": "og",
 	"LOGIC_OPERATION_TOOLTIP_OR": "Skila sönnu ef að minnsta kosti eitt inntak er satt.",
 	"LOGIC_OPERATION_OR": "eða",
-	"LOGIC_NEGATE_HELPURL": "https://github.com/google/blockly/wiki/Logic#not",
 	"LOGIC_NEGATE_TITLE": "ekki %1",
 	"LOGIC_NEGATE_TOOLTIP": "Skilar sönnu ef inntakið er ósatt. Skilar ósönnu ef inntakið er satt.",
-	"LOGIC_BOOLEAN_HELPURL": "https://github.com/google/blockly/wiki/Logic#values",
 	"LOGIC_BOOLEAN_TRUE": "satt",
 	"LOGIC_BOOLEAN_FALSE": "ósatt",
 	"LOGIC_BOOLEAN_TOOLTIP": "Skilar annað hvort sönnu eða ósönnu.",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "tómagildi",
 	"LOGIC_NULL_TOOLTIP": "Skilar tómagildi.",
-	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "prófun",
 	"LOGIC_TERNARY_IF_TRUE": "ef satt",
 	"LOGIC_TERNARY_IF_FALSE": "ef ósatt",
 	"LOGIC_TERNARY_TOOLTIP": "Kanna skilyrðið í 'prófun'. Skilar 'ef satt' gildinu ef skilyrðið er satt, en skilar annars 'ef ósatt' gildinu.",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "Tala.",
 	"MATH_ADDITION_SYMBOL": "+",
 	"MATH_SUBTRACTION_SYMBOL": "-",
@@ -131,13 +117,11 @@
 	"MATH_TRIG_ASIN": "asin",
 	"MATH_TRIG_ACOS": "acos",
 	"MATH_TRIG_ATAN": "atan",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Skila summu talnanna tveggja.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Skila mismun talnanna.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Skila margfeldi talnanna.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Skila deilingu talnanna.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Skila fyrri tölunni í veldinu seinni talan.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "kvaðratrót",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Skila kvaðratrót tölu.",
 	"MATH_SINGLE_OP_ABSOLUTE": "algildi",
@@ -147,14 +131,12 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Skila tugalógaritma tölu.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Skila e í veldi tölu.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Skila 10 í veldi tölu.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "Skila sínusi horns gefnu í gráðum.",
 	"MATH_TRIG_TOOLTIP_COS": "Skila kósínusi horns gefnu í gráðum.",
 	"MATH_TRIG_TOOLTIP_TAN": "Skila tangensi horns gefnu í gráðum.",
 	"MATH_TRIG_TOOLTIP_ASIN": "Skila arkarsínusi tölu.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Skila arkarkósínusi tölu.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Skila arkartangensi tölu.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Skila algengum fasta: π (3.141…), e (2.718…), φ (1.618…), kvrót(2) (1.414…), kvrót(½) (0.707…) eða ∞ (óendanleika).",
 	"MATH_IS_EVEN": "er\\u00A0jöfn tala",
 	"MATH_IS_ODD": "er oddatala",
@@ -164,10 +146,8 @@
 	"MATH_IS_NEGATIVE": "er neikvæð",
 	"MATH_IS_DIVISIBLE_BY": "er\\u00A0deilanleg með",
 	"MATH_IS_TOOLTIP": "Kanna hvort tala sé jöfn tala, oddatala, jákvæð, neikvæð eða deilanleg með tiltekinni tölu. Skilar sönnu eða ósönnu.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "breyta %1 um %2",
 	"MATH_CHANGE_TOOLTIP": "Bæta tölu við breytu '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Námunda tölu upp eða niður.",
 	"MATH_ROUND_OPERATOR_ROUND": "námunda",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "námunda upp",
@@ -183,45 +163,37 @@
 	"MATH_ONLIST_OPERATOR_MEDIAN": "miðgildi lista",
 	"MATH_ONLIST_TOOLTIP_MEDIAN": "Skila miðgildi listans.",
 	"MATH_ONLIST_OPERATOR_MODE": "tíðast í lista",
-	"MATH_ONLIST_TOOLTIP_MODE": "Skila lista yfir tíðustu gildin í listanum.",
+	"MATH_ONLIST_TOOLTIP_MODE": "Skila lista yfir algengustu atriðin í listanum.",
 	"MATH_ONLIST_OPERATOR_STD_DEV": "staðalfrávik lista",
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Skila staðalfráviki lista.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "eitthvað úr lista",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Skila einhverju atriði úr listanum.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "afgangur af %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Skila afgangi deilingar með tölunum.",
 	"MATH_CONSTRAIN_TITLE": "þröngva %1 lægst %2 hæst %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Þröngva tölu til að vera innan hinna tilgreindu marka (að báðum meðtöldum).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "slembitala frá %1 til %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Skila heiltölu sem valin er af handahófi og er innan tilgreindra marka, að báðum meðtöldum.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "slembibrot",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Skila broti sem er valið af handahófi úr tölum á bilinu frá og með 0.0 til (en ekki með) 1.0.",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
+	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2 (EN)",
+	"MATH_ATAN2_TITLE": "atan2 af X:%1 Y:%2",
 	"TEXT_TEXT_TOOLTIP": "Stafur, orð eða textalína.",
-	"TEXT_JOIN_HELPURL": "https://github.com/google/blockly/wiki/Text#text-creation",
 	"TEXT_JOIN_TITLE_CREATEWITH": "búa til texta með",
 	"TEXT_JOIN_TOOLTIP": "Búa til texta með því að tengja saman einhvern fjölda atriða.",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "tengja",
 	"TEXT_CREATE_JOIN_TOOLTIP": "Bæta við, fjarlægja eða umraða hlutum til að breyta skipan þessa textakubbs.",
 	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "Bæta atriði við textann.",
-	"TEXT_APPEND_HELPURL": "https://github.com/google/blockly/wiki/Text#text-modification",
 	"TEXT_APPEND_TITLE": "við %1 bæta texta %2",
 	"TEXT_APPEND_TOOLTIP": "Bæta texta við breytuna '%1'.",
-	"TEXT_LENGTH_HELPURL": "https://github.com/google/blockly/wiki/Text#text-modification",
 	"TEXT_LENGTH_TITLE": "lengd %1",
 	"TEXT_LENGTH_TOOLTIP": "Skilar fjölda stafa (með bilum) í gefna textanum.",
-	"TEXT_ISEMPTY_HELPURL": "https://github.com/google/blockly/wiki/Text#checking-for-empty-text",
 	"TEXT_ISEMPTY_TITLE": "%1 er tómur",
 	"TEXT_ISEMPTY_TOOLTIP": "Skilar sönnu ef gefni textinn er tómur.",
-	"TEXT_INDEXOF_HELPURL": "https://github.com/google/blockly/wiki/Text#finding-text",
 	"TEXT_INDEXOF_TOOLTIP": "Finnur fyrsta/síðasta tilfelli fyrri textans í seinni textanum og skilar sæti hans. Skilar %1 ef textinn finnst ekki.",
 	"TEXT_INDEXOF_TITLE": "í texta %1 %2 %3",
 	"TEXT_INDEXOF_OPERATOR_FIRST": "finna fyrsta tilfelli texta",
 	"TEXT_INDEXOF_OPERATOR_LAST": "finna síðasta tilfelli texta",
-	"TEXT_CHARAT_HELPURL": "https://github.com/google/blockly/wiki/Text#extracting-text",
 	"TEXT_CHARAT_TITLE": "í texta %1 %2",
 	"TEXT_CHARAT_FROM_START": "sækja staf #",
 	"TEXT_CHARAT_FROM_END": "sækja staf # frá enda",
@@ -230,7 +202,6 @@
 	"TEXT_CHARAT_RANDOM": "sækja einhvern staf",
 	"TEXT_CHARAT_TOOLTIP": "Skila staf á tilteknum stað.",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "Skilar tilteknum hluta textans.",
-	"TEXT_GET_SUBSTRING_HELPURL": "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "í texta",
 	"TEXT_GET_SUBSTRING_START_FROM_START": "sækja textabút frá staf #",
 	"TEXT_GET_SUBSTRING_START_FROM_END": "sækja textabút frá staf # frá enda",
@@ -238,20 +209,16 @@
 	"TEXT_GET_SUBSTRING_END_FROM_START": "að staf #",
 	"TEXT_GET_SUBSTRING_END_FROM_END": "að staf # frá enda",
 	"TEXT_GET_SUBSTRING_END_LAST": "að síðasta staf",
-	"TEXT_CHANGECASE_HELPURL": "https://github.com/google/blockly/wiki/Text#adjusting-text-case",
 	"TEXT_CHANGECASE_TOOLTIP": "Skila afriti af textanum með annarri stafastöðu.",
 	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "í HÁSTAFI",
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "í lágstafi",
 	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "í Upphafstafi",
-	"TEXT_TRIM_HELPURL": "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces",
 	"TEXT_TRIM_TOOLTIP": "Skila afriti af textanum þar sem möguleg bil við báða enda hafa verið fjarlægð.",
 	"TEXT_TRIM_OPERATOR_BOTH": "eyða bilum báðum megin við",
 	"TEXT_TRIM_OPERATOR_LEFT": "eyða bilum vinstra megin við",
 	"TEXT_TRIM_OPERATOR_RIGHT": "eyða bilum hægra megin við",
-	"TEXT_PRINT_HELPURL": "https://github.com/google/blockly/wiki/Text#printing-text",
 	"TEXT_PRINT_TITLE": "prenta %1",
 	"TEXT_PRINT_TOOLTIP": "Prenta tiltekinn texta, tölu eða annað gildi.",
-	"TEXT_PROMPT_HELPURL": "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user",
 	"TEXT_PROMPT_TYPE_TEXT": "biðja um texta með skilaboðum",
 	"TEXT_PROMPT_TYPE_NUMBER": "biðja um tölu með skilaboðum",
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Biðja notandann um tölu.",
@@ -260,7 +227,6 @@
 	"TEXT_REPLACE_MESSAGE0": "skipta %1 út með %2 í %3",
 	"TEXT_REVERSE_MESSAGE0": "snúa við %1",
 	"TEXT_REVERSE_TOOLTIP": "Snýr við röð stafanna í textanum.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "búa til tóman lista",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Skilar lista með lengdina 0 án gagna",
 	"LISTS_CREATE_WITH_TOOLTIP": "Búa til lista með einhverjum fjölda atriða.",
@@ -268,16 +234,13 @@
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "listi",
 	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "Bæta við, fjarlægja eða umraða hlutum til að breyta skipan þessa listakubbs.",
 	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "Bæta atriði við listann.",
-	"LISTS_REPEAT_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_REPEAT_TOOLTIP": "Býr til lista sem inniheldur tiltekna gildið endurtekið tiltekið oft.",
 	"LISTS_REPEAT_TITLE": "búa til lista með atriði %1 endurtekið %2 sinnum",
-	"LISTS_LENGTH_HELPURL": "https://github.com/google/blockly/wiki/Lists#length-of",
 	"LISTS_LENGTH_TITLE": "lengd %1",
 	"LISTS_LENGTH_TOOLTIP": "Skilar lengd lista.",
 	"LISTS_ISEMPTY_TITLE": "%1 er tómur",
 	"LISTS_ISEMPTY_TOOLTIP": "Skilar sönnu ef listinn er tómur.",
 	"LISTS_INLIST": "í lista",
-	"LISTS_INDEX_OF_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list",
 	"LISTS_INDEX_OF_FIRST": "finna fyrsta tilfelli atriðis",
 	"LISTS_INDEX_OF_LAST": "finna síðasta tilfelli atriðis",
 	"LISTS_INDEX_OF_TOOLTIP": "Finnur hvar atriðið kemur fyrir fyrst/síðast í listanum og skilar sæti þess. Skilar %1 ef atriðið finnst ekki.",
@@ -303,7 +266,6 @@
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST": "Fjarlægir fyrsta atriðið í lista.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST": "Fjarlægir síðasta atriðið í lista.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM": "Fjarlægir eitthvert atriði úr lista.",
-	"LISTS_SET_INDEX_HELPURL": "https://github.com/google/blockly/wiki/Lists#in-list--set",
 	"LISTS_SET_INDEX_SET": "setja í",
 	"LISTS_SET_INDEX_INSERT": "bæta við",
 	"LISTS_SET_INDEX_INPUT_TO": "sem",
@@ -315,7 +277,6 @@
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "Bætir atriðinu fremst í listann.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Bætir atriðinu aftan við listann.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "Bætir atriðinu einhversstaðar við listann.",
-	"LISTS_GET_SUBLIST_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-a-sublist",
 	"LISTS_GET_SUBLIST_START_FROM_START": "sækja undirlista frá #",
 	"LISTS_GET_SUBLIST_START_FROM_END": "sækja undirlista frá # frá enda",
 	"LISTS_GET_SUBLIST_START_FIRST": "sækja undirlista frá fyrsta",
@@ -323,7 +284,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "til # frá enda",
 	"LISTS_GET_SUBLIST_END_LAST": "til síðasta",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Býr til afrit af tilteknum hluta lista.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "raða %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Raða afriti lista.",
 	"LISTS_SORT_ORDER_ASCENDING": "hækkandi",
@@ -338,28 +298,22 @@
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Sameinar lista af textum í einn texta, með skiltákn á milli.",
 	"LISTS_REVERSE_MESSAGE0": "snúa við %1",
 	"LISTS_REVERSE_TOOLTIP": "Snúa við afriti lista.",
-	"VARIABLES_GET_HELPURL": "https://github.com/google/blockly/wiki/Variables#get",
 	"VARIABLES_GET_TOOLTIP": "Skilar gildi þessarar breytu.",
 	"VARIABLES_GET_CREATE_SET": "Búa til 'stilla %1'",
-	"VARIABLES_SET_HELPURL": "https://github.com/google/blockly/wiki/Variables#set",
 	"VARIABLES_SET": "stilla %1 á %2",
 	"VARIABLES_SET_TOOLTIP": "Stillir þessa breytu á innihald inntaksins.",
 	"VARIABLES_SET_CREATE_GET": "Búa til 'sækja %1'",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFNORETURN_TITLE": "til að",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "gera eitthvað",
 	"PROCEDURES_BEFORE_PARAMS": "með:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "með:",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Býr til fall sem skilar engu.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Lýstu þessari aðgerð/falli...",
-	"PROCEDURES_DEFRETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFRETURN_RETURN": "skila",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Býr til fall sem skilar úttaki.",
 	"PROCEDURES_ALLOW_STATEMENTS": "leyfa setningar",
-	"PROCEDURES_DEF_DUPLICATE_WARNING": "Aðvörun: Þetta fall er með tvítekna stika.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
+	"PROCEDURES_DEF_DUPLICATE_WARNING": "Aðvörun: Þetta fall er með tvíteknar breytur.",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Keyra heimatilbúna fallið '%1'.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Keyra heimatilbúna fallið '%1' og nota úttak þess.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "inntök",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Bæta við, fjarlægja eða umraða inntökum fyrir þetta fall.",
@@ -368,7 +322,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Sýna skilgreiningu falls",
 	"PROCEDURES_CREATE_DO": "Búa til '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Ef gildi er satt, skal skila öðru gildi.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Aðvörun: Þennan kubb má aðeins nota í skilgreiningu falls.",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Segðu eitthvað..."
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Segðu eitthvað...",
+	"WORKSPACE_ARIA_LABEL": "Blockly-vinnusvæðið",
+	"COLLAPSED_WARNINGS_WARNING": "Samfallnir kubbar innihalda aðvaranir.",
+	"DIALOG_OK": "Í lagi",
+	"DIALOG_CANCEL": "Hætta við"
 }
diff --git a/msg/json/it.json b/msg/json/it.json
index eb1ae3af4dd..e7b658f1f14 100644
--- a/msg/json/it.json
+++ b/msg/json/it.json
@@ -1,6 +1,7 @@
 {
 	"@metadata": {
 		"authors": [
+			"Ajeje Brazorf",
 			"Albe Albe 460",
 			"Albe Albe460",
 			"Beta16",
@@ -48,7 +49,7 @@
 	"NEW_VARIABLE_TYPE_TITLE": "Tipo della nuova variabile:",
 	"NEW_VARIABLE_TITLE": "Nome della nuova variabile:",
 	"VARIABLE_ALREADY_EXISTS": "Una variabile denominata '%1' esiste già.",
-	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Una variabile nominata '%1' esiste già per un'altro tipo: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Una variabile nominata '%1' esiste già per un altro tipo: '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "Cancella %1 usi della variabile '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Non si può cancellare la variabile '%1' perché è parte della definizione della funzione '%2'",
 	"DELETE_VARIABLE": "Cancella la variabile '%1'",
@@ -77,7 +78,7 @@
 	"CONTROLS_FOR_TOOLTIP": "Fa sì che la variabile '%1' prenda tutti i valori a partire dal numero di partenza fino a quello di arrivo, con passo pari all'intervallo specificato, ed esegue il blocco indicato.",
 	"CONTROLS_FOR_TITLE": "conta con %1 da %2 a %3 per %4",
 	"CONTROLS_FOREACH_TITLE": "per ogni elemento %1 nella lista %2",
-	"CONTROLS_FOREACH_TOOLTIP": "Per ogni elemento in una lista, imposta la variabile '%1'  pari all'elemento e quindi esegue alcune istruzioni.",
+	"CONTROLS_FOREACH_TOOLTIP": "Per ogni elemento in una lista, imposta la variabile '%1' pari all'elemento e quindi esegue alcune istruzioni.",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "esce dal ciclo",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "prosegui con la successiva iterazione del ciclo",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Esce dal ciclo.",
@@ -93,19 +94,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Aggiungi, elimina o riordina le sezioni per riconfigurare questo blocco se.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Aggiungi una condizione al blocco se.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Aggiungi una condizione finale pigliatutto al blocco se.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Annulla",
-	"IOS_ERROR": "Errore",
-	"IOS_PROCEDURES_INPUTS": "INPUTS",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Aggiungi input",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Consenti dichiarazioni",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Questa funzione ha entrate duplicate.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Aggiungi variabile",
-	"IOS_VARIABLES_ADD_BUTTON": "Aggiungi",
-	"IOS_VARIABLES_RENAME_BUTTON": "Rinomina",
-	"IOS_VARIABLES_DELETE_BUTTON": "Cancella",
-	"IOS_VARIABLES_VARIABLE_NAME": "Nome variabile",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Non puoi utilizzare un nome di variabile vuoto.",
 	"LOGIC_COMPARE_HELPURL": "https://it.wikipedia.org/wiki/Disuguaglianza",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Restituisce vero se gli input sono uno uguale all'altro.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Restituisce vero se gli input non sono uno uguale all'altro.",
@@ -248,10 +236,8 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Richiedi un numero all'utente.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Richiede del testo da parte dell'utente.",
 	"TEXT_COUNT_MESSAGE0": "conta %1 in %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Contare quante volte una parte di testo si ripete all'interno di qualche altro testo.",
 	"TEXT_REPLACE_MESSAGE0": "sostituisci %1 con %2 in %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "sostituisci tutte le occorrenze di un certo testo con qualche altro testo.",
 	"TEXT_REVERSE_MESSAGE0": "inverti %1",
 	"TEXT_REVERSE_TOOLTIP": "Inverte l'ordine dei caratteri nel testo.",
@@ -311,7 +297,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "da # dalla fine",
 	"LISTS_GET_SUBLIST_END_LAST": "dagli ultimi",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Crea una copia della porzione specificata di una lista.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "ordinamento %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Ordina una copia di un elenco.",
 	"LISTS_SORT_ORDER_ASCENDING": "crescente",
@@ -352,9 +337,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Evidenzia definizione di funzione",
 	"PROCEDURES_CREATE_DO": "Crea '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Se un valore è vero allora restituisce un secondo valore.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Attenzioneː Questo blocco può essere usato solo all'interno di una definizione di funzione.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Scrivi qualcosa...",
 	"WORKSPACE_ARIA_LABEL": "Area di lavoro di Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "I blocchi compressi contengono avvertimenti."
+	"COLLAPSED_WARNINGS_WARNING": "I blocchi compressi contengono avvertimenti.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Annulla"
 }
diff --git a/msg/json/ja.json b/msg/json/ja.json
index 6e0e3935c1e..0cee86da959 100644
--- a/msg/json/ja.json
+++ b/msg/json/ja.json
@@ -5,14 +5,20 @@
 			"Gimite",
 			"Gulpin",
 			"Kebhr",
+			"Kkairri",
+			"MagicAho",
 			"Oda",
 			"Omotecho",
 			"Otokoume",
+			"RYU N",
 			"Sgk",
 			"Shirayuki",
 			"Suiato",
 			"Sujiniku",
 			"TAKAHASHI Shuuji",
+			"TaikonoHimazin",
+			"Tokoroten",
+			"しぃ",
 			"ネイ",
 			"아라"
 		]
@@ -27,8 +33,8 @@
 	"EXTERNAL_INPUTS": "外部入力",
 	"INLINE_INPUTS": "インライン入力",
 	"DELETE_BLOCK": "ブロックを削除",
-	"DELETE_X_BLOCKS": "%1 個のブロックを削除",
-	"DELETE_ALL_BLOCKS": "%1件のすべてのブロックを削除しますか？",
+	"DELETE_X_BLOCKS": "%1個のブロックを削除",
+	"DELETE_ALL_BLOCKS": "%1個あるすべてのブロックを削除しますか？",
 	"CLEAN_UP": "ブロックを整理する",
 	"COLLAPSE_BLOCK": "ブロックを折りたたむ",
 	"COLLAPSE_ALL": "ブロックを折りたたむ",
@@ -41,29 +47,28 @@
 	"REDO": "やり直す",
 	"CHANGE_VALUE_TITLE": "値を変える：",
 	"RENAME_VARIABLE": "変数の名前を変える…",
-	"RENAME_VARIABLE_TITLE": "選択した%1の変数すべての名前を変える：",
+	"RENAME_VARIABLE_TITLE": "「%1」という名前の変数名をすべて変える：",
 	"NEW_VARIABLE": "変数の作成…",
 	"NEW_STRING_VARIABLE": "文字列の変数を作る...",
 	"NEW_NUMBER_VARIABLE": "数の変数を作る...",
 	"NEW_COLOUR_VARIABLE": "色の変数を作る...",
 	"NEW_VARIABLE_TYPE_TITLE": "新しい変数の型:",
-	"NEW_VARIABLE_TITLE": "新しい変数の名前：",
+	"NEW_VARIABLE_TITLE": "新しい変数の名前:",
 	"VARIABLE_ALREADY_EXISTS": "変数名 '%1' は既に存在しています。",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "'%2' 型の '%1' という名前の変数が既に存在します。",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "'%2' 手続きの '%1' という名前の変数が既に存在します。",
 	"DELETE_VARIABLE_CONFIRMATION": "%1か所で使われている変数 '%2' を削除しますか？",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "変数 '%1' は関数 '%2' の定義の一部であるため、削除できません",
 	"DELETE_VARIABLE": "変数 '%1' を削除",
 	"COLOUR_PICKER_HELPURL": "https://ja.wikipedia.org/wiki/色",
 	"COLOUR_PICKER_TOOLTIP": "パレットから色を選んでください。",
 	"COLOUR_RANDOM_TITLE": "ランダムな色",
-	"COLOUR_RANDOM_TOOLTIP": "ランダムな色を選ぶ。",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
-	"COLOUR_RGB_TITLE": "色：",
+	"COLOUR_RANDOM_TOOLTIP": "ランダムに色を選ぶ。",
+	"COLOUR_RGB_TITLE": "色:",
 	"COLOUR_RGB_RED": "赤",
 	"COLOUR_RGB_GREEN": "緑",
 	"COLOUR_RGB_BLUE": "青",
 	"COLOUR_RGB_TOOLTIP": "赤、緑、および青の指定された量で色を作成します。すべての値は 0 ～ 100 の間でなければなりません。",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "ブレンド",
 	"COLOUR_BLEND_COLOUR1": "色 1",
 	"COLOUR_BLEND_COLOUR2": "色 2",
@@ -87,28 +92,15 @@
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "このループの残りの部分をスキップして、ループの繰り返しを続けます。",
 	"CONTROLS_FLOW_STATEMENTS_WARNING": "注意: このブロックは、ループ内でのみ使用できます。",
 	"CONTROLS_IF_TOOLTIP_1": "値が true の場合、ステートメントを実行します。",
-	"CONTROLS_IF_TOOLTIP_2": "値が true 場合は、ステートメントの最初のブロックを行います。それ以外の場合は、ステートメントの 2 番目のブロックを行います。",
-	"CONTROLS_IF_TOOLTIP_3": "最初の値が true 場合は、ステートメントの最初のブロックを行います。それ以外の場合は、2 番目の値が true の場合、ステートメントの 2 番目のブロックをします。",
-	"CONTROLS_IF_TOOLTIP_4": "最初の値が true 場合は、ステートメントの最初のブロックを行います。2 番目の値が true の場合は、ステートメントの 2 番目のブロックを行います。それ以外の場合は最後のブロックのステートメントを行います。",
+	"CONTROLS_IF_TOOLTIP_2": "値が true の場合は、最初のステートメントのブロックを実行します。それ以外の場合は、2番目のステートメントのブロックを実行します。",
+	"CONTROLS_IF_TOOLTIP_3": "最初の値が true の場合は、最初のステートメントのブロックを実行します。それ以外の場合で、2番目の値が true の場合は、2番目のステートメントのブロックを実行します。",
+	"CONTROLS_IF_TOOLTIP_4": "最初の値が true の場合は、最初のステートメントのブロックを実行します。それ以外の場合で、2番目の値が true の場合は、2番目のステートメントのブロックを実行します。すべての値が true でない場合は、最後のステートメントのブロックを実行します。",
 	"CONTROLS_IF_MSG_IF": "もし",
 	"CONTROLS_IF_MSG_ELSEIF": "そうでなくもし",
 	"CONTROLS_IF_MSG_ELSE": "そうでなければ",
 	"CONTROLS_IF_IF_TOOLTIP": "追加、削除、またはセクションを順序変更して、ブロックをこれを再構成します。",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "「もしも」のブロックに条件を追加します。",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Ifブロックに、すべてをキャッチする条件を追加。",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "キャンセル",
-	"IOS_ERROR": "エラー",
-	"IOS_PROCEDURES_INPUTS": "入力",
-	"IOS_PROCEDURES_ADD_INPUT": "+　入力を追加",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "ステートメントを許可",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "この関数には重複する入力があります。",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ 変数を追加",
-	"IOS_VARIABLES_ADD_BUTTON": "追加",
-	"IOS_VARIABLES_RENAME_BUTTON": "名前を変更",
-	"IOS_VARIABLES_DELETE_BUTTON": "削除",
-	"IOS_VARIABLES_VARIABLE_NAME": "変数名",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "空の変数名は使用できません。",
 	"LOGIC_COMPARE_HELPURL": "https://ja.wikipedia.org/wiki/不等式",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "両方の入力が互いに等しい場合に true を返します。",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "両方の入力が互いに等しくない場合に true を返します。",
@@ -120,13 +112,11 @@
 	"LOGIC_OPERATION_AND": "かつ",
 	"LOGIC_OPERATION_TOOLTIP_OR": "少なくとも 1 つの入力が true のときに true を返します。",
 	"LOGIC_OPERATION_OR": "または",
-	"LOGIC_NEGATE_HELPURL": "https://ja.wikipedia.org/wiki/否定",
 	"LOGIC_NEGATE_TITLE": "%1ではない",
 	"LOGIC_NEGATE_TOOLTIP": "入力が false の場合は、true を返します。入力が true の場合は false を返します。",
 	"LOGIC_BOOLEAN_TRUE": "true",
 	"LOGIC_BOOLEAN_FALSE": "false",
 	"LOGIC_BOOLEAN_TOOLTIP": "true または false を返します。",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "null",
 	"LOGIC_NULL_TOOLTIP": "null を返します。",
 	"LOGIC_TERNARY_HELPURL": "https://ja.wikipedia.org/wiki/%3F:",
@@ -135,12 +125,7 @@
 	"LOGIC_TERNARY_IF_FALSE": "false の場合",
 	"LOGIC_TERNARY_TOOLTIP": "'テスト' の条件をチェックします。条件が true の場合、'true' の値を返します。それ以外の場合 'false' のを返します。",
 	"MATH_NUMBER_HELPURL": "https://ja.wikipedia.org/wiki/数",
-	"MATH_NUMBER_TOOLTIP": "数です。",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
-	"MATH_POWER_SYMBOL": "^",
+	"MATH_NUMBER_TOOLTIP": "数字。",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tan",
@@ -162,7 +147,7 @@
 	"MATH_SINGLE_TOOLTIP_LN": "数値の自然対数を返す。",
 	"MATH_SINGLE_TOOLTIP_LOG10": "底が10の対数を返す。",
 	"MATH_SINGLE_TOOLTIP_EXP": "ネイピア数eの数値乗を返す。",
-	"MATH_SINGLE_TOOLTIP_POW10": "１０の数値乗を返す。",
+	"MATH_SINGLE_TOOLTIP_POW10": "10の数値乗を返す。",
 	"MATH_TRIG_HELPURL": "https://ja.wikipedia.org/wiki/三角関数",
 	"MATH_TRIG_TOOLTIP_SIN": "（ラジアンではなく）度数の正弦（sin）を返す。",
 	"MATH_TRIG_TOOLTIP_COS": "（ラジアンではなく）度数の余弦（cosin）を返す。",
@@ -204,20 +189,23 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "リストの標準偏差を返す。",
 	"MATH_ONLIST_OPERATOR_RANDOM": "リストからランダムに選ばれた項目",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "リストからランダムに選ばれた要素を返す。",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
+	"MATH_MODULO_HELPURL": "https://ja.wikipedia.org/wiki/剰余演算",
 	"MATH_MODULO_TITLE": "%1÷%2の余り",
 	"MATH_MODULO_TOOLTIP": "2つの数値の割り算の余りを返す。",
 	"MATH_CONSTRAIN_TITLE": "%1 を %2 以上 %3 以下の範囲に制限",
 	"MATH_CONSTRAIN_TOOLTIP": "指定した上限と下限の間に値を制限する（上限と下限の値を含む）。",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
+	"MATH_RANDOM_INT_HELPURL": "https://ja.wikipedia.org/wiki/疑似乱数",
 	"MATH_RANDOM_INT_TITLE": "%1から%2までのランダムな整数",
 	"MATH_RANDOM_INT_TOOLTIP": "指定された（上下限を含む）範囲のランダムな整数を返します。",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
+	"MATH_RANDOM_FLOAT_HELPURL": "https://ja.wikipedia.org/wiki/疑似乱数",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "1未満の正の乱数",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "0.0以上で1.0未満の範囲の乱数を返します。",
+	"MATH_ATAN2_HELPURL": "https://ja.wikipedia.org/wiki/Atan2",
+	"MATH_ATAN2_TITLE": "X:%1 Y:%2のatan2",
+	"MATH_ATAN2_TOOLTIP": "アークタンジェントを用いて、点 (X, Y) の角度を -180度から 180度で返します。",
 	"TEXT_TEXT_HELPURL": "https://ja.wikipedia.org/wiki/文字列",
 	"TEXT_TEXT_TOOLTIP": "文字、単語、または行のテキスト。",
-	"TEXT_JOIN_TITLE_CREATEWITH": "テキストの作成：",
+	"TEXT_JOIN_TITLE_CREATEWITH": "テキストを結合して作成：",
 	"TEXT_JOIN_TOOLTIP": "任意の数の項目一部を一緒に接合してテキストを作成。",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "結合",
 	"TEXT_CREATE_JOIN_TOOLTIP": "セクションを追加、削除、または順序変更して、ブロックを再構成。",
@@ -238,7 +226,6 @@
 	"TEXT_CHARAT_FIRST": "最初の文字を得る",
 	"TEXT_CHARAT_LAST": "最後の文字を得る",
 	"TEXT_CHARAT_RANDOM": "ランダムな文字を得る",
-	"TEXT_CHARAT_TAIL": "",
 	"TEXT_CHARAT_TOOLTIP": "指定された位置に文字を返します。",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "テキストの指定部分を返します。",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "テキスト",
@@ -247,8 +234,7 @@
 	"TEXT_GET_SUBSTRING_START_FIRST": "の部分文字列を取得；最初から",
 	"TEXT_GET_SUBSTRING_END_FROM_START": "終了位置：",
 	"TEXT_GET_SUBSTRING_END_FROM_END": "終了位置：後ろから",
-	"TEXT_GET_SUBSTRING_END_LAST": "最後のの文字",
-	"TEXT_GET_SUBSTRING_TAIL": "",
+	"TEXT_GET_SUBSTRING_END_LAST": "最後の文字",
 	"TEXT_CHANGECASE_TOOLTIP": "別のケースに、テキストのコピーを返します。",
 	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "大文字に",
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "小文字に",
@@ -264,15 +250,11 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "ユーザーに数値のインプットを求める。",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "ユーザーにテキスト入力を求める。",
 	"TEXT_COUNT_MESSAGE0": "%2に含まれる%1の数を数える",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "とある文が別の文のなかに使われた回数を数える。",
 	"TEXT_REPLACE_MESSAGE0": "%3に含まれる%1を%2に置換",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "文に含まれるキーワードを置換する。",
 	"TEXT_REVERSE_MESSAGE0": "%1を逆順に",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "文の文字を逆順にする。",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "空のリストを作成",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "長さ０でデータ・レコードを含まない空のリストを返す",
 	"LISTS_CREATE_WITH_TOOLTIP": "項目数が不定のリストを作成。",
@@ -298,7 +280,6 @@
 	"LISTS_GET_INDEX_FIRST": "最初",
 	"LISTS_GET_INDEX_LAST": "最後",
 	"LISTS_GET_INDEX_RANDOM": "ランダム",
-	"LISTS_GET_INDEX_TAIL": "",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 は、最初の項目です。",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 は、最後の項目です。",
 	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "リスト内の指定位置にある項目を返します。",
@@ -330,9 +311,7 @@
 	"LISTS_GET_SUBLIST_END_FROM_START": "終了位置：",
 	"LISTS_GET_SUBLIST_END_FROM_END": "終了位置：後ろから",
 	"LISTS_GET_SUBLIST_END_LAST": "最後まで",
-	"LISTS_GET_SUBLIST_TAIL": "",
 	"LISTS_GET_SUBLIST_TOOLTIP": "リストの指定された部分のコピーを作成します。",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "%1 ( %2 ) に %3 を並び替える",
 	"LISTS_SORT_TOOLTIP": "リストのコピーを並べ替え",
 	"LISTS_SORT_ORDER_ASCENDING": "昇順",
@@ -345,7 +324,6 @@
 	"LISTS_SPLIT_WITH_DELIMITER": "区切り記号",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "テキストを区切り記号で分割したリストにする",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "テキストのリストを区切り記号で区切られた一つのテキストにする",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "%1を逆順に",
 	"LISTS_REVERSE_TOOLTIP": "リストのコピーを逆順にする。",
 	"VARIABLES_GET_TOOLTIP": "この変数の値を返します。",
@@ -353,15 +331,12 @@
 	"VARIABLES_SET": "%1 に %2 をセット",
 	"VARIABLES_SET_TOOLTIP": "この入力を変数と等しくなるように設定します。",
 	"VARIABLES_SET_CREATE_GET": "'%1 を取得' を作成します。",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://ja.wikipedia.org/wiki/サブルーチン",
 	"PROCEDURES_DEFNORETURN_TITLE": "関数",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "何かする",
 	"PROCEDURES_BEFORE_PARAMS": "引数：",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "引数：",
-	"PROCEDURES_DEFNORETURN_DO": "",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "出力なしの関数を作成します。",
 	"PROCEDURES_DEFNORETURN_COMMENT": "この関数の説明…",
-	"PROCEDURES_DEFRETURN_HELPURL": "https://ja.wikipedia.org/wiki/サブルーチン",
 	"PROCEDURES_DEFRETURN_RETURN": "返す",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "一つの出力を持つ関数を作成します。",
 	"PROCEDURES_ALLOW_STATEMENTS": "ステートメントを許可",
@@ -379,5 +354,8 @@
 	"PROCEDURES_IFRETURN_TOOLTIP": "1番目の値が true の場合、2番目の値を返します。",
 	"PROCEDURES_IFRETURN_WARNING": "警告: このブロックは、関数定義内でのみ使用できます。",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "ここへ入力",
-	"WORKSPACE_ARIA_LABEL": "Blocklyワークスペース"
+	"WORKSPACE_ARIA_LABEL": "Blocklyワークスペース",
+	"COLLAPSED_WARNINGS_WARNING": "つぶしたブロックには警告が入っています。",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "キャンセル"
 }
diff --git a/msg/json/ka.json b/msg/json/ka.json
new file mode 100644
index 00000000000..761db73c9ab
--- /dev/null
+++ b/msg/json/ka.json
@@ -0,0 +1,14 @@
+{
+	"@metadata": {
+		"authors": [
+			"Otogi",
+			"StarrySky",
+			"Გიო ოქრო"
+		]
+	},
+	"TODAY": "დღეს",
+	"DUPLICATE_BLOCK": "დუბლიკატი",
+	"ENABLE_BLOCK": "ბლოკის ჩართვა",
+	"MATH_ONLIST_OPERATOR_SUM": "სიის ჯამი",
+	"DIALOG_OK": "კარგი"
+}
diff --git a/msg/json/kab.json b/msg/json/kab.json
index 1958e0c4c31..cabe44e75bb 100644
--- a/msg/json/kab.json
+++ b/msg/json/kab.json
@@ -59,7 +59,6 @@
 	"COLOUR_BLEND_COLOUR2": "ini 2",
 	"COLOUR_BLEND_RATIO": "afmiḍi",
 	"COLOUR_BLEND_TOOLTIP": "Sexleḍ sin n yiniten d tesmekta (gar 0.0 ar 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "Ales %1 n tikkal",
 	"CONTROLS_REPEAT_INPUT_DO": "eg",
 	"CONTROLS_REPEAT_TOOLTIP": "Selkem ddeqs n tinaḍin ddeqs n tikal.",
@@ -69,7 +68,7 @@
 	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Skud azal d ucciḍ, selkem ihi tinadin.",
 	"CONTROLS_FOR_TOOLTIP": "Mudd i umutti '%1' azalen seg umḍan n tazwara armi d amḍan n taggara, s tmerna n usurif yettunefken, sakin selkem tinaḍin yettunefken.",
 	"CONTROLS_FOR_TITLE": "siḍen akked %1 seg %2 ar %3 s %4",
-	"CONTROLS_FOREACH_TITLE": "i yal aferdis  %1 di tebdart %2",
+	"CONTROLS_FOREACH_TITLE": "i yal aferdis %1 di tebdart %2",
 	"CONTROLS_FOREACH_TOOLTIP": "I yal aferdis n tebdart, mudd azal n uferdis i umutti '%1', sakin selkem tinaḍin.",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "ffeɣ seg tneddict",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "kemmel s wallus d tneddict d-iteddun",
@@ -86,20 +85,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Rnu, kkes, neq ales asmizzwer n tgezmiyin akken ad talseḍ tawila n yiḥder-a ma.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Rnu tawtilt i yiḥder ma.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Rnu tawtilt taneggarut i yiḥder ma igebren akk tinaḍin.",
-	"IOS_OK": "IH",
-	"IOS_CANCEL": "Sefsex",
-	"IOS_ERROR": "Tuccḍa",
-	"IOS_PROCEDURES_INPUTS": "INEKCAM",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Rnu anekcum",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Sireg asmizzwer",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Tawuri-a ɣur-s inekcam imsinen.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Rnu amutti",
-	"IOS_VARIABLES_ADD_BUTTON": "Rnu",
-	"IOS_VARIABLES_RENAME_BUTTON": "Snifel isem",
-	"IOS_VARIABLES_DELETE_BUTTON": "Kkes",
-	"IOS_VARIABLES_VARIABLE_NAME": "Isem n umutti",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Ur tezmireḍ ara ad tesqedceḍ isem n umutti amaynut.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Ad yerr idetti ma yella i sin n yinekcam d imegduya.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Ad d-yerr idetti mayella i sin n yinekcam mačči d imegduya.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Ad d-yerr idetti ma anekcam amezwaru meẓẓiy ɣef wis sin.",
@@ -121,15 +106,12 @@
 	"LOGIC_TERNARY_IF_TRUE": "ma d idetti",
 	"LOGIC_TERNARY_IF_FALSE": "ma d ucciḍ",
 	"LOGIC_TERNARY_TOOLTIP": "Senqed tawtilt deg 'sekyed'. Ma d idetti, ad d-yerr azal 'ma idetti', ma ulac ad d-yerr azam 'ma ucciḍ'.",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "Amḍan.",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Ad d-yerr tmerni n sin n yimiḍanen.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Ad d-yerr tmernit n sin n yimiḍanen.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Ad d-yerr tukksa gar sin n yimiḍanen.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Ad d-yerr aful n sin n yimḍanen.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Ad d-yerr amḍan amezwaru uzmir wis sin.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "aẓar uzmir 2",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Ad d-yerr aẓar uzmir sin n umḍan.",
 	"MATH_SINGLE_OP_ABSOLUTE": "azal amagdez",
@@ -139,14 +121,12 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Ad d-yerr alugaritm 10 n umiḍan.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Ad d-yerr e uzmir amiḍan.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Ad d-yerr 10 uzmir amiḍan.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "Ad d-yerr asinus n teɣmert s tfesna (mačči aṛadyan).",
 	"MATH_TRIG_TOOLTIP_COS": "Ad d-yerr akusinus n teɣmert s tfesna (mačči aṛadyan).",
 	"MATH_TRIG_TOOLTIP_TAN": "Ad d-yerr taslayt n teɣmert s tfesna (mačči aṛadyan).",
 	"MATH_TRIG_TOOLTIP_ASIN": "Ad d-yerr taganzi n usinus n umḍan.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Ad d-yerr taganzi n ukusinus n umḍan.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Ad d-yerr taganzi n teslayt n umiḍan.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Ad d-yerr yiwet seg tmezgiyin yettwasnen : π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), neɣ ∞ (ifeḍ).",
 	"MATH_IS_EVEN": "d ayugan",
 	"MATH_IS_ODD": "d aryugan",
@@ -156,10 +136,8 @@
 	"MATH_IS_NEGATIVE": "d uzdir",
 	"MATH_IS_DIVISIBLE_BY": "d ubṭay ɣef",
 	"MATH_IS_TOOLTIP": "Senqed ma amḍan d ayugan, d aryugan, d amenzu, d ummid, d ufrar, d uzdir, neɣ d ubṭay ɣef kra n umḍan. Ad d-yerr idetti neɣ ucciḍ.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "snifel %1 s %2",
 	"MATH_CHANGE_TOOLTIP": "Rnu amḍan i umutti '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Saẓ amiḍan d asawen neɣ d akesser.",
 	"MATH_ROUND_OPERATOR_ROUND": "Saẓ",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "Saẓ d asawen",
@@ -167,9 +145,9 @@
 	"MATH_ONLIST_OPERATOR_SUM": "Timernit n tebdart",
 	"MATH_ONLIST_TOOLTIP_SUM": "Ad d-yerr timernit n yimḍanen meṛṛa deg tebdart.",
 	"MATH_ONLIST_OPERATOR_MIN": "adday n tebdart",
-	"MATH_ONLIST_TOOLTIP_MIN": "Ad d-yerr amḍan  ameẓẓyan di tebdart.",
+	"MATH_ONLIST_TOOLTIP_MIN": "Ad d-yerr amḍan ameẓẓyan di tebdart.",
 	"MATH_ONLIST_OPERATOR_MAX": "afellay n tebdart",
-	"MATH_ONLIST_TOOLTIP_MAX": "Ad d-yerr amḍan  ameqqran di tebdart.",
+	"MATH_ONLIST_TOOLTIP_MAX": "Ad d-yerr amḍan ameqqran di tebdart.",
 	"MATH_ONLIST_OPERATOR_AVERAGE": "talemmast n tebdart",
 	"MATH_ONLIST_TOOLTIP_AVERAGE": "Ad d-yerr talemmas( tasnamḍant) n wazalen umḍinen di tebdart.",
 	"MATH_ONLIST_OPERATOR_MEDIAN": "tanammast n tebdart",
@@ -180,21 +158,17 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Ad d-yerr azza n tebdart.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "aferdis agacuran n tebdart",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Ad d-yerr aferdis seg tebdart s wudem agacuran.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "tasagert n %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Ad d-yerr tasagert n beṭṭu n sin n yimḍanen.",
 	"MATH_CONSTRAIN_TITLE": "Err tamara i %1 gar %2 akked %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Err tamara n umḍan akken ad yili gar snat n tlisa (ddant).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "ummid agacuran gar %1 akked %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Ad d-yerr ummid agacuran gar snat n tlisa, ddant.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "tirẓi tagacurant",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Ad d-yerr tirẓi tagacurant gar 0.0 (yedda) akked 1.0 (ur yeddi ara).",
 	"MATH_ATAN2_HELPURL": "https://kab.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 seg X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Ad d-yerr arctangent n waggaz (X, Y) s tfesniwin deg -180 ɣer 180.",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Asekkil, awal neɣ izirig n uḍris.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "rnu aḍris s",
 	"TEXT_JOIN_TOOLTIP": "Ad yernu taceqquft n uḍris s usdukel gar yal amḍan n yiferdisen.",
@@ -293,7 +267,7 @@
 	"LISTS_SET_INDEX_TOOLTIP_SET_RANDOM": "Ad yesbadu aferdis agacuran di tebdart.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FROM": "Ad iger aferdis n wadig yettwamlen deg tabdart.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "Ad iger aferdis di tazwara n tebdart.",
-	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Ad yernu aferdis ar taggara n  tebdart.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Ad yernu aferdis ar taggara n tebdart.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "Ad iger aferdis s wudem agacuran deg tebdart.",
 	"LISTS_GET_SUBLIST_START_FROM_START": "awi-d tabdart tasnawant seg #",
 	"LISTS_GET_SUBLIST_START_FROM_END": "awi-d tabdart tasnawant seg # si taggara",
@@ -302,7 +276,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "ar # si tagara",
 	"LISTS_GET_SUBLIST_END_LAST": "ar taggara",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Ad yernu anɣel n uḥric yettwamlen n tebdart.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "smizzwer %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Smizzwer anɣel n tebdart.",
 	"LISTS_SORT_ORDER_ASCENDING": "igemmen",
@@ -332,9 +305,7 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "ad yernu tawuri s tuffɣa.",
 	"PROCEDURES_ALLOW_STATEMENTS": "Sireg asmizzwer",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Ɣur-k: Tawuri-a ɣur-s iɣewwaṛen usligen.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Selkem tawuri '%1' i yesbadu useqdac.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Selkem tawuri '%1' i yesbadu useqdac sakin seqdec agmuḍ-is.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "inekcam",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Rnu, kkes neɣ ales asmizzwer n yinekcam i twuri-a.",
@@ -346,5 +317,7 @@
 	"PROCEDURES_IFRETURN_WARNING": "Ɣur-k: Iḥder-a yezmer ur yettwaseqdac ara anagar deg tebadut n twuri-a.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Ini kra...",
 	"WORKSPACE_ARIA_LABEL": "Tallunt n umahel Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "Iḥedran yettin gebren ilɣa."
+	"COLLAPSED_WARNINGS_WARNING": "Iḥedran yettin gebren ilɣa.",
+	"DIALOG_OK": "IH",
+	"DIALOG_CANCEL": "Sefsex"
 }
diff --git a/msg/json/kbd-cyrl.json b/msg/json/kbd-cyrl.json
new file mode 100644
index 00000000000..6692bf3fc6b
--- /dev/null
+++ b/msg/json/kbd-cyrl.json
@@ -0,0 +1,84 @@
+{
+	"@metadata": {
+		"authors": [
+			"Тамэ Балъкъэрхэ"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "Iыхьэ",
+	"DUPLICATE_BLOCK": "ЩIэтхыкIын",
+	"ADD_COMMENT": "КIэщIэтхэн",
+	"REMOVE_COMMENT": "КIэщIэтхэр тегъэкIыжын",
+	"DELETE_BLOCK": "Блокыр тегъэкIын",
+	"DELETE_X_BLOCKS": "Блоку %1 тегъэкIын",
+	"COLLAPSE_BLOCK": "Блокыр зэкIуэцIылъхьэн",
+	"COLLAPSE_ALL": "Блокхэр зэкIуэцIылъхьэн",
+	"EXPAND_BLOCK": "Блокыр зэкIуэц1ыхын",
+	"EXPAND_ALL": "Блокхэр зэкIуэц1ыхын",
+	"DISABLE_BLOCK": "Блокыр гъэуфIынкIын",
+	"ENABLE_BLOCK": "Блокыр щIэгъэнэн",
+	"HELP": "ДэӀэпыкъуэгъуэ",
+	"COLOUR_PICKER_HELPURL": "https://ru.wikipedia.org/wiki/Цвет",
+	"COLOUR_PICKER_TOOLTIP": "Плъыфэхэм узыхуейр къыхэх.",
+	"COLOUR_RANDOM_TITLE": "сыт хуэдэ плъыфэми",
+	"COLOUR_RANDOM_TOOLTIP": "Плъыфэр езыр-езыру къыхегъэхын.",
+	"COLOUR_RGB_TITLE": "плъыфэхэм щыщ",
+	"COLOUR_RGB_RED": "плъыжьу",
+	"COLOUR_RGB_GREEN": "удзыфэу",
+	"COLOUR_RGB_BLUE": "щIыхуу",
+	"COLOUR_BLEND_TITLE": "зэхэпщэн",
+	"COLOUR_BLEND_COLOUR1": "1 плъыфэ",
+	"COLOUR_BLEND_COLOUR2": "2 плъыфэ",
+	"COLOUR_BLEND_RATIO": "1 плъыфэм щыщу",
+	"COLOUR_BLEND_TOOLTIP": "ПлъыфитIыр епт зэхущытыкIэмкIэ хэхэпщэн (0.0 - 1.0).",
+	"CONTROLS_REPEAT_HELPURL": "https://ru.wikipedia.org/wiki/Цикл_(программирование)",
+	"CONTROLS_REPEAT_TITLE": "%1 къытегъэзэжын",
+	"CONTROLS_REPEAT_INPUT_DO": "гъэзэщIэн",
+	"CONTROLS_REPEAT_TOOLTIP": "Унафэр зыбжанэрэ егъэзащIэ.",
+	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "къытегъэзэжын, къихьэх",
+	"CONTROLS_IF_MSG_IF": "щыпкъэу",
+	"CONTROLS_IF_MSG_ELSEIF": "армырамэ щыпкъэу",
+	"CONTROLS_IF_MSG_ELSE": "армырамэ",
+	"LOGIC_OPERATION_AND": "икIи",
+	"LOGIC_OPERATION_OR": "е",
+	"LOGIC_BOOLEAN_TRUE": "щыпкъэ",
+	"LOGIC_BOOLEAN_FALSE": "пцIы",
+	"LOGIC_BOOLEAN_TOOLTIP": "Е щыпкъэ е пцIы къуетыж.",
+	"LOGIC_NULL": "зыри",
+	"LOGIC_NULL_TOOLTIP": "Зыри къуетыж.",
+	"MATH_NUMBER_HELPURL": "https://ru.wikipedia.org/wiki/Число",
+	"MATH_NUMBER_TOOLTIP": "Бжыгъэ.",
+	"MATH_ARITHMETIC_HELPURL": "https://ru.wikipedia.org/wiki/Арифметика",
+	"MATH_ARITHMETIC_TOOLTIP_ADD": "БжыгъитIыр зэхелъхьэри къыщIэкIар къуетыж.",
+	"MATH_ARITHMETIC_TOOLTIP_MINUS": "БжыгъитIыр зэхехри къыщIэкIар къуетыж.",
+	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "БжыгъитIыр зэхуегъэбагъуэри къыщIэкIар къуетыж.",
+	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Япэ бжыгъэр етIуанэмкIэ егуэшри къыщIэкIар къуетыж.",
+	"MATH_SINGLE_HELPURL": "https://ru.wikipedia.org/wiki/Квадратный_корень",
+	"MATH_TRIG_HELPURL": "https://ru.wikipedia.org/wiki/Тригонометрические_функции",
+	"MATH_CONSTANT_HELPURL": "https://ru.wikipedia.org/wiki/Математическая_константа",
+	"MATH_IS_EVEN": "зэпэбж",
+	"MATH_IS_ODD": "зэпэмыбж",
+	"MATH_IS_PRIME": "къызэрыгуэкI",
+	"MATH_IS_WHOLE": "бжыгъэ псо",
+	"MATH_IS_DIVISIBLE_BY": "мыбыкIэ мэгуэш",
+	"MATH_CHANGE_HELPURL": "https://ru.wikipedia.org/wiki/%D0%98%D0%B4%D0%B8%D0%BE%D0%BC%D0%B0_%28%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5%29#.D0.98.D0.BD.D0.BA.D1.80.D0.B5.D0.BC.D0.B5.D0.BD.D1.82",
+	"MATH_ROUND_HELPURL": "https://ru.wikipedia.org/wiki/Округление",
+	"MATH_ONLIST_OPERATOR_SUM": "къебжэкIыр зэхэлъхьауэ",
+	"MATH_ONLIST_OPERATOR_MIN": "къебжэкIым и нэхъ мащIэр",
+	"MATH_ONLIST_TOOLTIP_MIN": "КъебжэкIым и нэхъ мащIэр къуетыж.",
+	"MATH_ONLIST_OPERATOR_MAX": "къебжэкIым и нэхъыбэр",
+	"MATH_ONLIST_TOOLTIP_MAX": "КъебжэкIым и нэхъыбэр къуетыж.",
+	"MATH_MODULO_HELPURL": "https://ru.wikipedia.org/wiki/Деление_с_остатком",
+	"MATH_MODULO_TITLE": "%1 ÷ %2 бгуэшмэ къыдэхуэр",
+	"MATH_MODULO_TOOLTIP": "БжыгъитIыр зэхуэбгуэшмэ къыдэхуэр къуетыж.",
+	"MATH_RANDOM_INT_HELPURL": "https://ru.wikipedia.org/wiki/Генератор_псевдослучайных_чисел",
+	"MATH_RANDOM_FLOAT_HELPURL": "https://ru.wikipedia.org/wiki/Генератор_псевдослучайных_чисел",
+	"TEXT_TEXT_HELPURL": "https://ru.wikipedia.org/wiki/Строковый_тип",
+	"TEXT_LENGTH_TITLE": "%1 и кIыхьагъыр",
+	"TEXT_ISEMPTY_TITLE": "%1 нэщIщ",
+	"TEXT_INDEXOF_OPERATOR_FIRST": "япэу къыщыхэщыр къэгъуэтын",
+	"TEXT_INDEXOF_OPERATOR_LAST": "иужьыу къыщыхэщыр къэгъуэтын",
+	"PROCEDURES_BEFORE_PARAMS": "игъусэр:",
+	"PROCEDURES_CALL_BEFORE_PARAMS": "игъусэр:",
+	"DIALOG_OK": "ХЪУАЩ",
+	"DIALOG_CANCEL": "ЩӀегъуэжын"
+}
diff --git a/msg/json/km.json b/msg/json/km.json
new file mode 100644
index 00000000000..125541a5f89
--- /dev/null
+++ b/msg/json/km.json
@@ -0,0 +1,29 @@
+{
+	"@metadata": {
+		"authors": [
+			"Aefgh39622",
+			"Sovichet"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "ធាតុ",
+	"TODAY": "ថ្ងៃនេះ",
+	"DUPLICATE_BLOCK": "ធ្វើស្ទួន",
+	"ADD_COMMENT": "បន្ថែមមតិ",
+	"REMOVE_COMMENT": "ដកមតិចេញ",
+	"EXTERNAL_INPUTS": "ធាតុបញ្ចូលខាងក្រៅ",
+	"DELETE_BLOCK": "លុបប្លុក",
+	"DELETE_X_BLOCKS": "លុបប្លុក %1",
+	"DELETE_ALL_BLOCKS": "លុបប្លុក %1 ទាំងអស់?",
+	"DISABLE_BLOCK": "បិទប្លុក",
+	"ENABLE_BLOCK": "បើកប្លុក",
+	"HELP": "ជំនួយ",
+	"UNDO": "មិនធ្វើវិញ",
+	"REDO": "ធ្វើវិញ",
+	"CHANGE_VALUE_TITLE": "ប្ដូរតម្លៃ៖",
+	"RENAME_VARIABLE": "ដកអថេរចេញ...",
+	"RENAME_VARIABLE_TITLE": "ប្ដូរឈ្មោះអថេរទាំង '%1' ទៅជា៖",
+	"NEW_VARIABLE": "បង្កើតអថេរ...",
+	"NEW_VARIABLE_TITLE": "ឈ្មោះអថេរថ្មី៖",
+	"COLOUR_PICKER_TOOLTIP": "ជ្រើសពណ៌មួយពីបន្ទះពណ៌",
+	"DIALOG_OK": "យល់ព្រម"
+}
diff --git a/msg/json/kn.json b/msg/json/kn.json
index 3cc820c95e1..b811ca90c0e 100644
--- a/msg/json/kn.json
+++ b/msg/json/kn.json
@@ -3,127 +3,330 @@
 		"authors": [
 			"Ananth subray",
 			"Anoop rao",
+			"Ashay vb",
+			"Ksh31",
+			"Ksramwiki1957",
+			"Mahadevaiah Siddaiah",
 			"Nayvik",
 			"Niekiran",
-			"VASANTH S.N."
+			"VASANTH S.N.",
+			"~aanzx"
 		]
 	},
-	"VARIABLES_DEFAULT_NAME": "ವಸ್ತು",
+	"VARIABLES_DEFAULT_NAME": "ಅಂಶ",
 	"UNNAMED_KEY": "ಹೆಸರಿಡದ",
 	"TODAY": "ಇಂದು",
-	"DUPLICATE_BLOCK": "ನಕಲಿಸು",
+	"DUPLICATE_BLOCK": "ಪ್ರತಿ",
 	"ADD_COMMENT": "ಟಿಪ್ಪಣಿ ಸೇರಿಸು",
 	"REMOVE_COMMENT": "ಟಿಪ್ಪಣಿ ಅಳಿಸು",
-	"DUPLICATE_COMMENT": "ಟಿಪ್ಪಣಿ ನಕಲಿಸು",
+	"DUPLICATE_COMMENT": "ಟಿಪ್ಪಣಿಯ ಪ್ರತಿ ಮಾಡು",
 	"EXTERNAL_INPUTS": "ಬಾಹ್ಯ ಒಳಾಂಶಗಳು",
-	"INLINE_INPUTS": "ಇನ್ಲೈನ್ ಒಳಾಂಶಗಳು",
-	"DELETE_BLOCK": "ಬ್ಲಾಕ್ ಅಳಿಸು",
+	"INLINE_INPUTS": "ಸಾಲಿನಲ್ಲಿರುವ ಒಳಾoಶಗಳು",
+	"DELETE_BLOCK": "ಬ್ಲಾಕನ್ನು ಅಳಿಸು",
 	"DELETE_X_BLOCKS": "%1 ಬ್ಲಾಕ್‍ಗಳನ್ನು ಅಳಿಸು",
-	"DELETE_ALL_BLOCKS": "ಎಲ್ಲ %1 ಬ್ಲಾಕ್‍ಗಳನ್ನು ಅಳಿಸುವುದೇ ?",
-	"CLEAN_UP": "ಬ್ಲಾಕ್‍ಗಳನ್ನು ಸ್ವಚ್ಛಗೊಳಿಸು",
-	"COLLAPSE_BLOCK": "ಬ್ಲಾಕ್ ಮುಚ್ಚು",
-	"COLLAPSE_ALL": "ಬ್ಲಾಕ್‍ಗಳನ್ನು ಮುಚ್ಚು",
-	"EXPAND_BLOCK": "ಬ್ಲಾಕ್ ವಿಸ್ತರಿಸು",
+	"DELETE_ALL_BLOCKS": "ಎಲ್ಲಾ %1 ಬ್ಲಾಕ್‍ಗಳನ್ನು ಅಳಿಸುವುದೇ ?",
+	"CLEAN_UP": "ಬ್ಲಾಕ್‍ಗಳನ್ನೆಲ್ಲಾ ಒಪ್ಪವಾಗಿರಿಸು",
+	"COLLAPSE_BLOCK": "ಬ್ಲಾಕ್‍ನ್ನು ಮಡಿಸಿಬಿಡು",
+	"COLLAPSE_ALL": "ಬ್ಲಾಕ್‍ಗಳನ್ನು ಮಡಿಸಿಬಿಡು",
+	"EXPAND_BLOCK": "ಬ್ಲಾಕನ್ನು ವಿಸ್ತರಿಸು",
 	"EXPAND_ALL": "ಬ್ಲಾಕ್‍ಗಳನ್ನು ವಿಸ್ತರಿಸು",
-	"DISABLE_BLOCK": "ಬ್ಲಾಕ್ ನಿಷ್ಕ್ರಿಯಗೊಳಿಸು",
-	"ENABLE_BLOCK": "ಬ್ಲಾಕ್ ಸಕ್ರಿಯಗೊಳಿಸು",
+	"DISABLE_BLOCK": "ಬ್ಲಾಕನ್ನು ನಿಷ್ಕ್ರಿಯಗೊಳಿಸು",
+	"ENABLE_BLOCK": "ಬ್ಲಾಕನ್ನು ಸಕ್ರಿಯಗೊಳಿಸು",
 	"HELP": "ಸಹಾಯ",
-	"UNDO": "ಹಿಂದಿದ್ದ ಸ್ಥಿತಿಗೆ ಮರಳಿಸು",
-	"REDO": "ಮುಂದಿದ್ದ ಸ್ಥಿತಿಗೆ ಮರಳಿಸು",
+	"UNDO": "ಹಿಂದಿನಂತೆ ಮಾಡು",
+	"REDO": "ಮತ್ತೆ ಮಾಡು",
 	"CHANGE_VALUE_TITLE": "ಮೌಲ್ಯ ಬದಲಾಯಿಸು:",
-	"RENAME_VARIABLE": "ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶ ಮರುಹೆಸರಿಸು...",
-	"RENAME_VARIABLE_TITLE": "ಎಲ್ಲ '%1' ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶಗಳನ್ನು ಮರುಹೆಸರಿಸು:",
-	"NEW_VARIABLE": "ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶ ಸೃಷ್ಟಿಸು ...",
-	"NEW_STRING_VARIABLE": "ಅಕ್ಷರ ಮಾಲೆ ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶ ಸೃಷ್ಟಿಸು...",
-	"NEW_NUMBER_VARIABLE": "ಸಂಖ್ಯೆ ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶ ಸೃಷ್ಟಿಸು ...",
-	"NEW_COLOUR_VARIABLE": "ಬಣ್ಣ ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶ ಸೃಷ್ಟಿಸು ...",
-	"NEW_VARIABLE_TYPE_TITLE": "ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶದ ಬಗೆ:",
-	"NEW_VARIABLE_TITLE": "ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶದ ಹೆಸರು:",
-	"VARIABLE_ALREADY_EXISTS": "'%1' ಎನ್ನುವ ಹೆಸರಿನ ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶ ಈಗಾಗಲೇ ಅಸ್ತಿತ್ವದಲ್ಲಿದೆ.",
-	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "%1' ಎನ್ನುವ ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶವು ಈಗಾಗಲೇ '%2' ಬಗೆಯಲ್ಲಿ ಅಸ್ತಿತ್ವದಲ್ಲಿದೆ.",
-	"DELETE_VARIABLE_CONFIRMATION": "'%2' ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶದ '%1' ಉಪಯೋಗಗಳನ್ನು ಅಳಿಸುವುದೇ ?",
-	"CANNOT_DELETE_VARIABLE_PROCEDURE": "%1' ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶವನ್ನು ಅಳಿಸಲು ಬರುವುದಿಲ್ಲ. ಏಕೆಂದರೆ ಅದು '%2' ಕೆಲಸದಲ್ಲಿ ಉಪಯೋಗಿಸಲ್ಪಟ್ಟಿದೆ",
-	"DELETE_VARIABLE": "'%1' ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶವನ್ನು ಅಳಿಸು",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
-	"COLOUR_PICKER_TOOLTIP": "ವರ್ಣಫಲಕದಿಂದ ಬಣ್ಣವನು ಆರಿಸು.",
-	"COLOUR_RANDOM_TITLE": "ಅಸಂಬದ್ದ ಬಣ್ಣ",
-	"COLOUR_RANDOM_TOOLTIP": "ಯಾವುದಾದರೂ ಒಂದು ಬಣ್ಣವನ್ನು ಆರಿಸು.",
-	"COLOUR_RGB_TITLE": "ಬಣ್ಣದೊಂದಿಗೆ",
+	"RENAME_VARIABLE": "ಚರಾಂಶವನ್ನು ಮರುಹೆಸರಿಸು...",
+	"RENAME_VARIABLE_TITLE": "ಎಲ್ಲ '%1' ಚರಾಂಶಗಳನ್ನು ಮರುಹೆಸರಿಸು:",
+	"NEW_VARIABLE": "ಚರಾಂಶವನ್ನು ಸೃಷ್ಟಿಸು ...",
+	"NEW_STRING_VARIABLE": "ಚಿಹ್ನೆಗಳ ಸರಣಿಯ ಚರಾಂಶವನ್ನು ಸೃಷ್ಟಿಸು...",
+	"NEW_NUMBER_VARIABLE": "ಸಂಖ್ಯಾ ಚರಾಂಶವನ್ನು ಸೃಷ್ಟಿಸು ...",
+	"NEW_COLOUR_VARIABLE": "ಬಣ್ಣದ ಚರಾಂಶವನ್ನು ಸೃಷ್ಟಿಸು ...",
+	"NEW_VARIABLE_TYPE_TITLE": "ಹೊಸ ಚರಾಂಶದ ಡೇಟಾಪ್ರಕಾರ:",
+	"NEW_VARIABLE_TITLE": "ಹೊಸ ಚರಾಂಶದ ಹೆಸರು:",
+	"VARIABLE_ALREADY_EXISTS": "'%1' ಹೆಸರಿನ ಚರಾಂಶ ಈಗಾಗಲೇ ಅಸ್ತಿತ್ವದಲ್ಲಿದೆ.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "%1' ಹೆಸರಿನ ಚರಾಂಶ ಈಗಾಗಲೇ '%2' ಡೇಟಾ ಪ್ರಕಾರದಲ್ಲಿ ಅಸ್ತಿತ್ವದಲ್ಲಿದೆ.",
+	"DELETE_VARIABLE_CONFIRMATION": "'%2' ಚರಾಂಶದ '%1' ಉಪಯೋಗಗಳನ್ನು ಅಳಿಸುವುದೇ ?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "'%1' ಚರಾಂಶವನ್ನು ಅಳಿಸಲಾಗುವುದಿಲ್ಲ. ಏಕೆಂದರೆ ಇದು '%2' ಕಾರ್ಯಘಟಕದ ವ್ಯಾಖ್ಯಾನದ ಭಾಗವಾಗಿದೆ",
+	"DELETE_VARIABLE": "'%1' ಚರಾಂಶವನ್ನು ಅಳಿಸು",
+	"COLOUR_PICKER_TOOLTIP": "ವರ್ಣಫಲಕದಿಂದ ಬಣ್ಣವನ್ನು ಆರಿಸು.",
+	"COLOUR_RANDOM_TITLE": "ಯಾದೃಚ್ಛಿಕ ಬಣ್ಣ",
+	"COLOUR_RANDOM_TOOLTIP": "ಯಾದೃಚ್ಛಿಕವಾಗಿ ಯಾವುದಾದರೂ ಒಂದು ಬಣ್ಣವನ್ನು ಆರಿಸು.",
+	"COLOUR_RGB_TITLE": "ಬಣ್ಣದಿಂದ",
 	"COLOUR_RGB_RED": "ಕೆಂಪು",
 	"COLOUR_RGB_GREEN": "ಹಸಿರು",
 	"COLOUR_RGB_BLUE": "ನೀಲಿ",
-	"COLOUR_RGB_TOOLTIP": "ನಿರ್ಧಿಷ್ಟವಾದ ಪ್ರಮಾಣದಲ್ಲಿ ಕೆಂಪು, ಹಸಿರು, ಮತ್ತು ನೀಲಿ ಯನ್ನು ಹೊಂದಿದ ಒಂದು ಬಣ್ಣವನ್ನು ರಚಿಸಿ. ಎಲ್ಲಾ ಮೌಲ್ಯಗಳು 0 ಮತ್ತು 100 ರ ನಡುವೆ ಇರಬೇಕು.",
-	"COLOUR_BLEND_TITLE": "ಮಿಶ್ರಣ",
+	"COLOUR_RGB_TOOLTIP": "ನಿರ್ದಿಷ್ಟ ಪ್ರಮಾಣದಲ್ಲಿ ಕೆಂಪು, ಹಸಿರು ಮತ್ತು ನೀಲಿಯನ್ನು ಹೊಂದಿದ ಒಂದು ಬಣ್ಣವನ್ನು ರಚಿಸಿ. ಎಲ್ಲಾ ಮೌಲ್ಯಗಳು 0 ಮತ್ತು 100 ರ ನಡುವೆ ಇರಲಿ.",
+	"COLOUR_BLEND_TITLE": "ಮಿಶ್ರಣಮಾಡು",
 	"COLOUR_BLEND_COLOUR1": "ಬಣ್ಣ 1",
 	"COLOUR_BLEND_COLOUR2": "ಬಣ್ಣ 2",
 	"COLOUR_BLEND_RATIO": "ಅನುಪಾತ",
-	"COLOUR_BLEND_TOOLTIP": "ಕೊಟ್ಟಿರುವ ಅನುಪಾತದ (0.0 - 1.0) ಪ್ರಕಾರ ಎರಡು ಬಣ್ಣವನ್ನು ಮಿಶ್ರಣ ಮಾಡುತ್ತದೆ.",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
+	"COLOUR_BLEND_TOOLTIP": "ಕೊಟ್ಟಿರುವ ಅನುಪಾತದಂತೆ(0.0 - 1.0) ಎರಡು ಬಣ್ಣಗಳನ್ನು ಮಿಶ್ರಣ ಮಾಡುತ್ತದೆ.",
 	"CONTROLS_REPEAT_TITLE": "%1 ಬಾರಿ ಪುನರಾವರ್ತಿಸು",
 	"CONTROLS_REPEAT_INPUT_DO": "ಮಾಡು",
 	"CONTROLS_REPEAT_TOOLTIP": "ಕೆಲವು ಹೇಳಿಕೆಗಳನ್ನು ಹಲವಾರು ಬಾರಿ ಮಾಡು.",
-	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "ಪುನರಾವರ್ತಿಸು ಇ ಸಮಯದಲ್ಲಿ",
-	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "ಪುನರಾವರ್ತಿಸು ಇ ತನಕ",
-	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "ಮೌಲ್ಯವು ನಿಜವಾಗಿರುವ ಸಮಯದಲ್ಲಿ, ಕೆಲವು ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡಿ.",
-	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "ಮೌಲ್ಯವು ಸುಳ್ಳಾಗಿರುವ ಸಮಯದಲ್ಲಿ, ಕೆಲವು ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡಿ.",
-	"CONTROLS_FOR_TOOLTIP": "'%1' ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶವು ಆರಂಭದ ಸಂಖ್ಯೆಯಿಂದ ಕೊನೆಯ ಸಂಖ್ಯೆಯ ತನಕ ಒಂದು ಮೌಲ್ಯವನ್ನು ಹೊಂದಿರಲಿ, ನಿಗದಿತ ಪ್ರಮಾಣದಲ್ಲಿ ಎಣಿಸುವುದನ್ನು ನಿರ್ಧರಿಸಿ,  ನಿಗದಿಪಡಿಸಿದ ಬ್ಲಾಕ್‍ಗಳನ್ನು ಮಾಡಿ.",
+	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "ಷರತ್ತು 'ಸತ್ಯ' ಆಗಿರುವವರೆಗೆ ಪುನರಾವರ್ತಿಸು",
+	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "ತನಕ ಪುನರಾವರ್ತಿಸು",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "ಮೌಲ್ಯವು ಸತ್ಯವಾಗಿರುವವರೆಗೆ, ಕೆಲವು ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡಿ.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "ಮೌಲ್ಯವು ಸುಳ್ಳಾಗಿರುವವರೆಗೆ, ಕೆಲವು ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡಿ.",
+	"CONTROLS_FOR_TOOLTIP": "ಚರಾಂಶವಾದ %1 ಪ್ರಾರಂಭ ಸಂಖ್ಯೆಯಿಂದ ಅಂತಿಮ ಸಂಖ್ಯೆಯವರೆಗೆ ಮೌಲ್ಯಗಳನ್ನು ತೆಗೆದುಕೊಳ್ಳಲಿ, ನಿರ್ದಿಷ್ಟ ಮಧ್ಯಂತರದಿಂದ ಎಣಿಸಿ, ಮತ್ತು ನಿರ್ದಿಷ್ಟಪಡಿಸಿದ ಬ್ಲಾಕ್ ಗಳನ್ನು ಮಾಡಲಿ.",
 	"CONTROLS_FOR_TITLE": "%1 ಜೊತೆ ಎಣಿಸು %2 ಇಂದ %3 ತನಕ %4 ಪ್ರಮಾಣದಲ್ಲಿ",
-	"CONTROLS_FOREACH_TITLE": "ಪ್ರತಿ ವಸ್ತುವಿಗೆ %1 ಇ ಪಟ್ಟಿಯಲ್ಲಿ %2",
-	"CONTROLS_FOREACH_TOOLTIP": "ಪಟ್ಟಿಯಲ್ಲಿರುವ ಪ್ರತಿ ವಸ್ತುವಿಗೆ, ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶ '%1' ಅನ್ನು ವಸ್ತುವಿನೊಂದಿಗೆ ಹೊಂದಿಸಿ , ಆಮೇಲೆ ಕೆಲವು ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡಿ.",
-	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "ಸುತ್ತುವಿಕೆಯಿಂದ ಹೊರ ಬಾ",
-	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "ಸುತ್ತುವಿಕೆಯ ಮುಂದಿನ ಪುನರಾವರ್ತನೆಯೊಂದಿಗೆ ಮುಂದುವರಿಯಿರಿ",
-	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "ಒಳಗೊಂಡಿರುವ ಸುತ್ತುವಿಕೆಯಿಂದ ಹೊರಬನ್ನಿ.",
-	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "ಉಳಿದ ಸುತ್ತುವಿಕೆ ಬಿಟ್ಟು ಮುಂದೆ ಹೋಗಿ,  ಮತ್ತು ಮುಂದಿನ ಪುನರಾವರ್ತನೆಯೊಂದಿಗೆ ಮುಂದುವರಿಯಿರಿ.",
-	"CONTROLS_FLOW_STATEMENTS_WARNING": "ಎಚ್ಚರಿಕೆ: ಈ ಬ್ಲಾಕ್ ಅನ್ನು ಸುತ್ತುವಿಕೆ ಒಳಗಡೆ ಮಾತ್ರ ಬಳಸಬಹುದಾಗಿದೆ.",
-	"CONTROLS_IF_TOOLTIP_1": "ಮೌಲ್ಯವು ನಿಜ ಆಗಿದ್ದರೆ , ಕೆಲವು ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು.",
-	"CONTROLS_IF_TOOLTIP_2": "ಮೌಲ್ಯವು ನಿಜ ಆಗಿದ್ದರೆ, ಮೊದಲನೇ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು, ಇಲ್ಲವಾದರೆ, ಎರಡನೇ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು.",
-	"CONTROLS_IF_TOOLTIP_3": "ಮೊದಲನೆಯ ಮೌಲ್ಯವು ನಿಜ ಆಗಿದ್ದರೆ, ಮೊದಲ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು. ಇಲ್ಲವಾದರೆ, ಎರಡನೇ ಮೌಲ್ಯವು ನಿಜವಾಗಿದ್ದರೆ, ಎರಡನೇ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು.",
-	"CONTROLS_IF_TOOLTIP_4": "ಮೊದಲನೆಯ ಮೌಲ್ಯವು ನಿಜ ಆಗಿದ್ದರೆ, ಮೊದಲ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು. ಇಲ್ಲವಾದರೆ, ಎರಡನೇ ಮೌಲ್ಯವು ನಿಜವಾಗಿದ್ದರೆ, ಎರಡನೇ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು. ಒಂದುವೇಳೆ ಯಾವುದೇ ಮೌಲ್ಯವು ನಿಜವಾಗಿರದಿದ್ದರೆ, ಕೊನೆಯ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು.",
+	"CONTROLS_FOREACH_TITLE": "%2 ಪಟ್ಟಿಯಲ್ಲಿರುವ ಪ್ರತಿ %1 ಅಂಶಕ್ಕೆ",
+	"CONTROLS_FOREACH_TOOLTIP": "ಪಟ್ಟಿಯಲ್ಲಿರುವ ಪ್ರತಿಯೊಂದು ಅಂಶಕ್ಕೆ, ಚರಾಂಶ '%1'ನ್ನು ಅಂಶಕ್ಕೆ ಜೋಡಿಸಿ, ತದನಂತರ ಕೆಲವು ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡಿ.",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "ಪುನರಾವರ್ತನೆಯಿಂದ ನಿರ್ಗಮಿಸು",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "ಲೂಪ್ ಮುಂದಿನ ಪುನರಾವರ್ತನೆಯೊಂದಿಗೆ ಮುಂದುವರೆಯಲಿ",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "ಒಳಹೊಕ್ಕಿರುವ ಲೂಪಿನಿಂದ ನಿರ್ಗಮಿಸು.",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "ಈ ಲೂಪಿನ ಉಳಿದ ಭಾಗವನ್ನು ಬಿಟ್ಟು, ಮುಂದಿನ ಪುನರಾವರ್ತನೆಯೊಂದಿಗೆ ಮುಂದುವರಿಸಿ.",
+	"CONTROLS_FLOW_STATEMENTS_WARNING": "ಎಚ್ಚರಿಕೆ: ಈ ಬ್ಲಾಕನ್ನು ಲೂಪ್‌ನಲ್ಲಿ ಮಾತ್ರ ಬಳಸಬಹುದು.",
+	"CONTROLS_IF_TOOLTIP_1": "ಮೌಲ್ಯವು ಸತ್ಯವಾಗಿದ್ದರೆ, ಕೆಲವು ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡಿ.",
+	"CONTROLS_IF_TOOLTIP_2": "ಮೌಲ್ಯವು ಸತ್ಯ ಆಗಿದ್ದರೆ, ಮೊದಲನೇ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು, ಇಲ್ಲವಾದರೆ, ಎರಡನೇ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು.",
+	"CONTROLS_IF_TOOLTIP_3": "ಮೊದಲನೇ ಮೌಲ್ಯವು ಸತ್ಯವಾಗಿದ್ದರೆ, ಮೊದಲ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡಿ. ಇಲ್ಲದಿದ್ದರೆ, ಎರಡನೇ ಮೌಲ್ಯವು ಸತ್ಯವಾಗಿದ್ದರೆ, ಎರಡನೇ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡಿ.",
+	"CONTROLS_IF_TOOLTIP_4": "ಮೊದಲನೆಯ ಮೌಲ್ಯವು ಸತ್ಯ ಆಗಿದ್ದರೆ, ಮೊದಲ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು. ಇಲ್ಲವಾದರೆ, ಎರಡನೇ ಮೌಲ್ಯವು ಸತ್ಯವಾಗಿದ್ದರೆ, ಎರಡನೇ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು. ಒಂದುವೇಳೆ ಯಾವುದೇ ಮೌಲ್ಯವೂ ಸತ್ಯವಾಗಿರದಿದ್ದರೆ, ಕೊನೆಯ ವಿಭಾಗದ ಹೇಳಿಕೆಗಳನ್ನು ಮಾಡು.",
 	"CONTROLS_IF_MSG_IF": "ಆಗಿದ್ದರೆ",
-	"CONTROLS_IF_MSG_ELSEIF": "ಆಗಿರದಿದ್ದರೆ ಆಗಿದ್ದರೆ",
-	"CONTROLS_IF_MSG_ELSE": "ಆಗಿರದಿದ್ದರೆ",
-	"CONTROLS_IF_IF_TOOLTIP": "ಆಗಿದ್ದರೆ ಬ್ಲಾಕ್ ಅನ್ನು ಮರುವಿನ್ಯಾಸ ಗೊಳಿಸಲು ಅದರ ಭಾಗಗಳನ್ನು ಸೇರಿಸು, ತೆಗೆ, ಅಥವಾ ಮರುಕ್ರಮಗೊಳಿಸು.",
-	"CONTROLS_IF_ELSEIF_TOOLTIP": "'ಆಗಿದ್ದರೆ' ಬ್ಲಾಕ್ ಗೆ ಒಂದು ನಿಯಮವನ್ನು ಸೇರಿಸು.",
-	"CONTROLS_IF_ELSE_TOOLTIP": "ಕೊನೆಯ, ಎಲ್ಲ-ಹಿಡಿ ನಿಯಮವನ್ನು 'ಆಗಿದ್ದರೆ' ಬ್ಲಾಕ್ ಗೆ ಸೇರಿಸು.",
-	"IOS_OK": "ಸರಿ",
-	"IOS_CANCEL": "ರದ್ದುಮಾಡು",
-	"IOS_ERROR": "ತಪ್ಪು",
-	"IOS_PROCEDURES_INPUTS": "ಒಳಾಂಶಗಳು",
-	"IOS_PROCEDURES_ADD_INPUT": "+ ಒಳಾಂಶವನ್ನು ಸೇರಿಸು",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "ಹೇಳಿಕೆಗಳನ್ನು ಅನುಮತಿಸಿ",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "ಈ ಕೆಲಸವು ನಕಲಿ ಒಳಾಂಶಗಳನ್ನು ಒಳಗೊಂಡಿರುತ್ತದೆ.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶವನ್ನು ಸೇರಿಸು",
-	"IOS_VARIABLES_ADD_BUTTON": "ಸೇರಿಸು",
-	"IOS_VARIABLES_RENAME_BUTTON": "ಹೆಸರು ಬದಲಾಯಿಸು",
-	"IOS_VARIABLES_DELETE_BUTTON": "ಅಳಿಸು",
-	"IOS_VARIABLES_VARIABLE_NAME": "ಮಾರ್ಪಡಿಸಬಹುದಾದ ಮೂಲಾಂಶದ ಹೆಸರು",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "ನೀವು ಖಾಲಿ ಮೂಲಾಂಶದ ಹೆಸರನ್ನು ಬಳಸಲಾಗುವುದಿಲ್ಲ.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
+	"CONTROLS_IF_MSG_ELSEIF": "ಆಗಿರದಿದ್ದರೆ",
+	"CONTROLS_IF_MSG_ELSE": "ಇಲ್ಲದಿದ್ದರೆ",
+	"CONTROLS_IF_IF_TOOLTIP": "ಈ 'ಆಗಿದ್ದರೆ' ಬ್ಲಾಕನ್ನು ಮರು ಸಂರಚಿಸಲು ಅದರ ಭಾಗಗಳನ್ನು ಸೇರಿಸು, ತೆಗೆ ಅಥವಾ ಮರುಕ್ರಮಗೊಳಿಸು.",
+	"CONTROLS_IF_ELSEIF_TOOLTIP": "'ಆಗಿದ್ದರೆ' ಬ್ಲಾಕ್ ಗೆ ಒಂದು ಷರತ್ತು ಸೇರಿಸಿ.",
+	"CONTROLS_IF_ELSE_TOOLTIP": "ಅಂತಿಮವಾದ, ಎಲ್ಲವನ್ನೂ-ಹಿಡಿ ಷರತ್ತನ್ನು 'ಆಗಿದ್ದರೆ' ಬ್ಲಾಕ್ ಗೆ ಸೇರಿಸಿ.",
+	"LOGIC_COMPARE_TOOLTIP_EQ": "ಎರಡೂ ಒದಗಿಸುವ ಅಂಶಗಳು ಪರಸ್ಪರ ಸಮನಾಗಿದ್ದರೆ, ಸರಿ ಹಿಂತಿರುಗಿಸಿ.",
+	"LOGIC_COMPARE_TOOLTIP_NEQ": "ಎರಡೂ ಒದಗಿಸುವ ಅಂಶಗಳು ಪರಸ್ಪರ ಸಮನಾಗಿರದಿದ್ದರೆ ಸರಿ ಹಿಂತಿರುಗಿಸಿ.",
+	"LOGIC_COMPARE_TOOLTIP_LT": "ಮೊದಲನೇ ಒದಗಿಸುವ ಅಂಶ ಎರಡನೇ ಒದಗಿಸುವ ಅಂಶಕ್ಕಿಂತ ಚಿಕ್ಕದ್ದಾಗಿದ್ದರೆ ಸರಿ ಹಿಂತಿರುಗಿಸಿ.",
+	"LOGIC_COMPARE_TOOLTIP_LTE": "ಮೊದಲನೇ ಒದಗಿಸುವ ಅಂಶ ಎರಡನೇ ಒದಗಿಸುವ ಅಂಶಕ್ಕಿಂತ ಚಿಕ್ಕದು ಅಥವಾ ಸಮನಾಗಿದ್ದರೆ ಸರಿ ಹಿಂತಿರುಗಿಸಿ.",
+	"LOGIC_COMPARE_TOOLTIP_GT": "ಮೊದಲನೇ ಒದಗಿಸುವ ಅಂಶ ಎರಡನೇ ಒದಗಿಸುವ ಅಂಶಕ್ಕಿಂತ ದೊಡ್ಡದಾಗಿದ್ದರೆ ಸರಿ ಹಿಂತಿರುಗಿಸಿ.",
+	"LOGIC_COMPARE_TOOLTIP_GTE": "ಮೊದಲನೇ ಒದಗಿಸುವ ಅಂಶ ಎರಡನೇ ಒದಗಿಸುವ ಅಂಶಕ್ಕಿಂತ ದೊಡ್ಡದು ಅಥವಾ ಸಮನಾಗಿದ್ದರೆ ಸರಿ ಹಿಂತಿರುಗಿಸಿ.",
+	"LOGIC_OPERATION_TOOLTIP_AND": "ಒದಗಿಸುವ ಎರಡೂ ಅಂಶಗಳು ಸರಿಯಾಗಿದ್ದರೆ ಸರಿ ಹಿಂತಿರುಗಿಸಿ.",
 	"LOGIC_OPERATION_AND": "ಮತ್ತು",
+	"LOGIC_OPERATION_TOOLTIP_OR": "ಯಾವುದಾದರೂ ಒಂದು ಒದಗಿಸುವ ಅಂಶ ಸತ್ಯವಾಗಿದ್ದರೆ ಸರಿ ಹಿಂತಿರುಗಿಸಿ.",
 	"LOGIC_OPERATION_OR": "ಅಥವಾ",
-	"LOGIC_BOOLEAN_TRUE": "ನಿಜ",
-	"LOGIC_BOOLEAN_FALSE": "ತಪ್ಪು",
+	"LOGIC_NEGATE_TITLE": "%1 ಅಲ್ಲ",
+	"LOGIC_NEGATE_TOOLTIP": "ಒದಗಿಸುವ ಅಂಶ ಸುಳ್ಳಾಗಿದ್ದರೆ ಸರಿಯೆನ್ನಿ. ಒದಗಿಸುವ ಅಂಶ ಸತ್ಯವಾಗಿದ್ದರೆ ತಪ್ಪೆನ್ನಿ.",
+	"LOGIC_BOOLEAN_TRUE": "ಸತ್ಯ",
+	"LOGIC_BOOLEAN_FALSE": "ಸುಳ್ಳು",
+	"LOGIC_BOOLEAN_TOOLTIP": "ಸತ್ಯ ಅಥವಾ ಸುಳ್ಳು ಎರಡರಲ್ಲಿ ಒಂದನ್ನು ಹಿಂತಿರುಗಿಸುವುದು.",
 	"LOGIC_NULL": "ಶೂನ್ಯ",
-	"LOGIC_TERNARY_CONDITION": "ಟೆಸ್ಟ್",
-	"MATH_NUMBER_TOOLTIP": "ಹಲವಾರು",
+	"LOGIC_NULL_TOOLTIP": "ಶೂನ್ಯವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"LOGIC_TERNARY_CONDITION": "ಪರೀಕ್ಷೆ",
+	"LOGIC_TERNARY_IF_TRUE": "ಸತ್ಯ ಆಗಿದ್ದರೆ",
+	"LOGIC_TERNARY_IF_FALSE": "ಸುಳ್ಳು ಆಗಿದ್ದರೆ",
+	"LOGIC_TERNARY_TOOLTIP": "'ಪರೀಕ್ಷೆ'ಯಲ್ಲಿನ ಷರತ್ತನ್ನು ಪರಿಶೀಲಿಸಿ. ಷರತ್ತು ಸರಿಯಾಗಿದ್ದರೆ, 'ಸತ್ಯವಾಗಿದ್ದರೆ' ಮೌಲ್ಯವನ್ನು; ಇಲ್ಲದಿದ್ದರೆ 'ಸುಳ್ಳಾಗಿದ್ದರೆ' ಮೌಲ್ಯವನ್ನೂ ಹಿಂತಿರುಗಿಸುವುದು.",
+	"MATH_NUMBER_TOOLTIP": "ಒಂದು ಸಂಖ್ಯೆ.",
+	"MATH_TRIG_SIN": "ಸೈನ್",
+	"MATH_TRIG_COS": "ಕಾಸ್",
+	"MATH_TRIG_TAN": "ಟ್ಯಾನ್",
+	"MATH_TRIG_ASIN": "ಆರ್ಕ್-ಸೈನ್",
+	"MATH_TRIG_ACOS": "ಆರ್ಕ್-ಕಾಸ್",
+	"MATH_TRIG_ATAN": "ಆರ್ಕ್-ಟ್ಯಾನ್",
+	"MATH_ARITHMETIC_TOOLTIP_ADD": "ಎರಡು ಸಂಖ್ಯೆಗಳ ಮೊತ್ತವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_ARITHMETIC_TOOLTIP_MINUS": "ಎರಡು ಸಂಖ್ಯೆಗಳ ವ್ಯತ್ಯಾಸವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "ಎರಡು ಸಂಖ್ಯೆಗಳ ಗುಣಲಬ್ಧವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "ಎರಡು ಸಂಖ್ಯೆಗಳ ಭಾಗಲಬ್ಧವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_ARITHMETIC_TOOLTIP_POWER": "ಮೊದಲ ಸಂಖ್ಯೆಯ ಘಾತಾಂಶ ಎರಡನೇ ಸಂಖ್ಯೆಯಾದಾಗಿನ ಫಲಿತಾಂಶವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
 	"MATH_SINGLE_OP_ROOT": "ವರ್ಗಮೂಲ",
-	"MATH_SINGLE_TOOLTIP_ROOT": "ಸಂಖ್ಯೆಯ ವರ್ಗಮೂಲ ಮರಳಿಸು.",
-	"MATH_SINGLE_OP_ABSOLUTE": "ಸಂಪೂರ್ಣ",
-	"MATH_SINGLE_TOOLTIP_ABS": "ಸಂಖ್ಯೆಯ ಪರಿಪೂರ್ಣ ಮೌಲ್ಯ ಮರಳಿಸು",
-	"MATH_ROUND_OPERATOR_ROUND": "ಸುತ್ತು",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
-	"TEXT_CREATE_JOIN_TITLE_JOIN": "ಸೇರಿಸಿ",
+	"MATH_SINGLE_TOOLTIP_ROOT": "ಸಂಖ್ಯೆಯ ವರ್ಗಮೂಲವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_SINGLE_OP_ABSOLUTE": "ಪರಿಪೂರ್ಣ",
+	"MATH_SINGLE_TOOLTIP_ABS": "ಸಂಖ್ಯೆಯೊಂದರ ಪರಿಪೂರ್ಣ ಮೌಲ್ಯವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_SINGLE_TOOLTIP_NEG": "ಸಂಖ್ಯೆಯೊಂದರ ನಿರಾಕರಣೆಯನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_SINGLE_TOOLTIP_LN": "ಸಂಖ್ಯೆಯ ನೈಸರ್ಗಿಕ ಲಾಗರಿಥಮ್ ಅನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_SINGLE_TOOLTIP_LOG10": "ಒಂದು ಸಂಖ್ಯೆಯ ಆಧಾರ 10 ಲಾಗರಿಥಮನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_SINGLE_TOOLTIP_EXP": "ಒಂದು ಸಂಖ್ಯೆಯ e ಘಾತವಾಗಿದ್ದಾಗಿನ ಮೌಲ್ಯವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_SINGLE_TOOLTIP_POW10": "ಒಂದು ಸಂಖ್ಯೆಯ 10ರ ಘಾತವಾಗಿದ್ದಾಗಿನ ಮೌಲ್ಯವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_TRIG_TOOLTIP_SIN": "ಕೋನವೊಂದರ ಸೈನ್ ಅನ್ನು ಹಿಂತಿರುಗಿಸಿ(ರೇಡಿಯನ್‌ಗಳಲ್ಲ)",
+	"MATH_TRIG_TOOLTIP_COS": "ಕೋನವೊಂದರ ಕೊಸೈನ್ ಅನ್ನು ಹಿಂತಿರುಗಿಸಿ(ರೇಡಿಯನ್‌ಗಳಲ್ಲ)",
+	"MATH_TRIG_TOOLTIP_TAN": "ಕೋನವೊಂದರ ಟ್ಯಾಂಜೆಂಟ್ ಅನ್ನು ಹಿಂತಿರುಗಿಸಿ(ರೇಡಿಯನ್‌ಗಳಲ್ಲ)",
+	"MATH_TRIG_TOOLTIP_ASIN": "ಸಂಖ್ಯೆಯೊಂದರ ಆರ್ಕ್ ಸೈನ್ ಅನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_TRIG_TOOLTIP_ACOS": "ಸಂಖ್ಯೆಯೊಂದರ ಆರ್ಕ್ ಕೊಸೈನ್ ಅನ್ನು ಹಿಂತಿರುಗಿಸಿ(ರೇಡಿಯನ್‌ಗಳಲ್ಲ)",
+	"MATH_TRIG_TOOLTIP_ATAN": "ಸಂಖ್ಯೆಯೊಂದರ ಆರ್ಕ್ ಟ್ಯಾಂಜೆಂಟ್ ಅನ್ನು ಹಿಂತಿರುಗಿಸಿ(ರೇಡಿಯನ್‌ಗಳಲ್ಲ)",
+	"MATH_CONSTANT_TOOLTIP": "ಸಾಮಾನ್ಯ ಸ್ಥಿರಾಂಕಗಳಲ್ಲಿ ಒಂದನ್ನು ಹಿಂತಿರುಗಿಸಿ:π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infinity).",
+	"MATH_IS_EVEN": "ಸಮ ಸಂಖ್ಯೆಯೇ?",
+	"MATH_IS_ODD": "ಬೆಸ ಸಂಖ್ಯೆಯೇ?",
+	"MATH_IS_PRIME": "ಅವಿಭಾಜ್ಯ ಸಂಖ್ಯೆಯೇ?",
+	"MATH_IS_WHOLE": "ಪೂರ್ಣಸಂಖ್ಯೆಯೇ?",
+	"MATH_IS_POSITIVE": "ಧನಾತ್ಮಕವೇ?",
+	"MATH_IS_NEGATIVE": "ಋಣಾತ್ಮಕವೇ?",
+	"MATH_IS_DIVISIBLE_BY": "ಇದರಿಂದ ಭಾಗಿಸಬಹುದೇ?",
+	"MATH_IS_TOOLTIP": "ಒಂದು ಸಂಖ್ಯೆ ಸಮ, ಬೆಸ, ಅವಿಭಾಜ್ಯ, ಪೂರ್ಣ, ಧನಾತ್ಮಕ, ಋಣಾತ್ಮಕವಾಗಿದೆಯೇ ಅಥವಾ ನಿರ್ದಿಷ್ಟ ಸಂಖ್ಯೆಯಿಂದ ಭಾಗಿಸ ಬಹುದೇ ಎಂದು ಪರಿಶೀಲಿಸಿ. ಸತ್ಯ ಅಥವಾ ಸುಳ್ಳು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_CHANGE_TITLE": "%1 ಅನ್ನು %2 ರಿಂದ ಬದಲಾಯಿಸಿ",
+	"MATH_CHANGE_TOOLTIP": "ಚರಾಂಶ '%1' ಕ್ಕೆ ಒಂದು ಸಂಖ್ಯೆಯನ್ನು ಸೇರಿಸಿ.",
+	"MATH_ROUND_TOOLTIP": "ಒಂದು ಸಂಖ್ಯೆಯನ್ನು ಮೇಲಿನ ಅಥವಾ ಕೆಳಗಿನ ಪೂರ್ಣಾಂಕ ಮಾಡಿ.",
+	"MATH_ROUND_OPERATOR_ROUND": "ಪೂರ್ಣಾಂಕಗೊಳಿಸು",
+	"MATH_ROUND_OPERATOR_ROUNDUP": "ಮೇಲಿನ-ಅಂಕಕ್ಕೆ ಪೂರ್ಣಾಂಕಗೊಳಿಸಿ",
+	"MATH_ROUND_OPERATOR_ROUNDDOWN": "ಕೆಳಗಿನ-ಅಂಕಕ್ಕೆ ಪೂರ್ಣಾಂಕಗೊಳಿಸಿ",
+	"MATH_ONLIST_OPERATOR_SUM": "ಪಟ್ಟಿಯ ಮೊತ್ತ",
+	"MATH_ONLIST_TOOLTIP_SUM": "ಪಟ್ಟಿಯಲ್ಲಿರುವ ಎಲ್ಲಾ ಸಂಖ್ಯೆಗಳ ಮೊತ್ತವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_ONLIST_OPERATOR_MIN": "ಪಟ್ಟಿಯ ಕನಿಷ್ಠ",
+	"MATH_ONLIST_TOOLTIP_MIN": "ಪಟ್ಟಿಯಲ್ಲಿರುವ ಕನಿಷ್ಠ ಸಂಖ್ಯೆಯನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_ONLIST_OPERATOR_MAX": "ಪಟ್ಟಿಯ ಗರಿಷ್ಠ",
+	"MATH_ONLIST_TOOLTIP_MAX": "ಪಟ್ಟಿಯಲ್ಲಿರುವ ಗರಿಷ್ಠ ಸಂಖ್ಯೆಯನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_ONLIST_OPERATOR_AVERAGE": "ಪಟ್ಟಿಯ ಸರಾಸರಿ",
+	"MATH_ONLIST_TOOLTIP_AVERAGE": "ಪಟ್ಟಿಯಲ್ಲಿನ ಸಂಖ್ಯಾ ಮೌಲ್ಯಗಳ ಸರಾಸರಿ (ಅಂಕಗಣಿತದ ಸರಾಸರಿ) ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_ONLIST_OPERATOR_MEDIAN": "ಪಟ್ಟಿಯ ಮಧ್ಯಾಂಕ",
+	"MATH_ONLIST_TOOLTIP_MEDIAN": "ಪಟ್ಟಿಯಲ್ಲಿನ ಮಧ್ಯಾಂಕ ಸಂಖ್ಯೆಯನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_ONLIST_OPERATOR_MODE": "ಪಟ್ಟಿಯಲ್ಲಿನ ಆಗಾಗ್ಗೆ ಕಾಣಿಸಿಕೊಳ್ಳುವ ಸಂಖ್ಯೆಗಳು",
+	"MATH_ONLIST_TOOLTIP_MODE": "ಪಟ್ಟಿಯಲ್ಲಿರುವ ಸಾಮಾನ್ಯ ಅಂಶಗಳ ಪಟ್ಟಿಯನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_ONLIST_OPERATOR_STD_DEV": "ಪಟ್ಟಿಯ ಪ್ರಮಾಣಿತ ವಿಚಲನ",
+	"MATH_ONLIST_TOOLTIP_STD_DEV": "ಪಟ್ಟಿಯ ಪ್ರಮಾಣಿತ ವಿಚಲನವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_ONLIST_OPERATOR_RANDOM": "ಪಟ್ಟಿಯ ಯಾದೃಚ್ಛಿತ ಅಂಶ",
+	"MATH_ONLIST_TOOLTIP_RANDOM": "ಪಟ್ಟಿಯ ಯಾದೃಚ್ಛಿತ ಅಂಶವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_MODULO_TITLE": "%1 ÷ %2 ರ ಶೇಷ",
+	"MATH_MODULO_TOOLTIP": "ಎರಡು ಸಂಖ್ಯೆಗಳ ವಿಭಜನೆಯ ಶೇಷವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_CONSTRAIN_TITLE": "%1ಅನ್ನು ಕಡಿಮೆ %2 ಹೆಚ್ಚಿನ %3 ಮೌಲ್ಯಗಳ ನಡುವೆ ನಿರ್ಬಂಧಿಸಿ",
+	"MATH_CONSTRAIN_TOOLTIP": "ನಿಗದಿತ ಮಿತಿಗಳ ನಡುವೆ ಸಂಖ್ಯೆಯನ್ನು ನಿರ್ಬಂಧಿಸಿ(ಒಳಗೊ೦ಡ).",
+	"MATH_RANDOM_INT_TITLE": "ಯಾದೃಚ್ಛಿತ ಪೂರ್ಣಾಂಕ %1 ರಿಂದ %2 ರವರೆಗೆ",
+	"MATH_RANDOM_INT_TOOLTIP": "ಎರಡು ನಿರ್ದಿಷ್ಟ ಮಿತಿಗಳ ನಡುವೆ ಇರುವ ಯಾದೃಚ್ಛಿತ ಪೂರ್ಣಾಂಕವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "ಯಾದೃಚ್ಛಿತ ಭಿನ್ನರಾಶಿ",
+	"MATH_RANDOM_FLOAT_TOOLTIP": "0.0 (ಒಳಗೊಂಡ) ಮತ್ತು 1.0 (ವಿಶೇಷ) ನಡುವೆ ಯಾದೃಚ್ಛಿತ ಭಿನ್ನರಾಶಿಯನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"MATH_ATAN2_TITLE": "X:%1 Y:%2 ಬಿಂದುವಿನ ಆರ್ಕ್ ಟ್ಯಾನ್",
+	"MATH_ATAN2_TOOLTIP": "ಬಿಂದು (X,Y) ನ ಆರ್ಕ್ ಟ್ಯಾಂಜೆಂಟ್ ನ್ನು -180 ರಿಂದ 180 ರವರೆಗಿನ ಡಿಗ್ರಿಗಳಲ್ಲಿ ಹಿಂತಿರುಗಿಸಿ.",
+	"TEXT_TEXT_TOOLTIP": "ಒಂದು ಅಕ್ಷರ, ಪದ ಅಥವಾ ಪಠ್ಯದ ಸಾಲು.",
+	"TEXT_JOIN_TITLE_CREATEWITH": "ಇದರೊಂದಿಗೆ ಪಠ್ಯವನ್ನು ರಚಿಸಿ",
+	"TEXT_JOIN_TOOLTIP": "ಹಲವಾರು ಅಂಶಗಳನ್ನು ಒಟ್ಟುಗೂಡಿಸುವ ಮೂಲಕ ಪಠ್ಯದ ತುಣುಕನ್ನು ರಚಿಸಿ.",
+	"TEXT_CREATE_JOIN_TITLE_JOIN": "ಸೇರಿಸು",
+	"TEXT_CREATE_JOIN_TOOLTIP": "ಈ ಬ್ಲಾಕನ್ನು ಮರು ಸಂರಚಿಸಲು ಅದರ ಭಾಗಗಳನ್ನು ಸೇರಿಸು, ತೆಗೆ ಅಥವಾ ಮರುಕ್ರಮಗೊಳಿಸು.",
+	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "ಪಠ್ಯಕ್ಕೆ ಒಂದು ಅಂಶವನ್ನು ಸೇರಿಸಿ.",
+	"TEXT_APPEND_TITLE": "%1 ಕ್ಕೆ ಪಠ್ಯ %2 ನ್ನು ಕೊನೆಯಲ್ಲಿ ಸೇರಿಸಿ.",
+	"TEXT_APPEND_TOOLTIP": "'%1' ಚರಾಂಶಕ್ಕೆ ಕೆಲವು ಪಠ್ಯವನ್ನು ಕೊನೆಯಲ್ಲಿ ಸೇರಿಸಿ.",
+	"TEXT_LENGTH_TITLE": "%1ರ ಉದ್ದ",
+	"TEXT_LENGTH_TOOLTIP": "ಒದಗಿಸಿದ ಪಠ್ಯದಲ್ಲಿನ ಅಕ್ಷರಗಳ ಸಂಖ್ಯೆಯನ್ನು (ಖಾಲಿ ಜಾಗ ಒಳಗೊಂಡಂತೆ) ಹಿಂತಿರುಗಿಸುವುದು.",
+	"TEXT_ISEMPTY_TITLE": "%1 ಖಾಲಿಯಿದೆ",
+	"TEXT_ISEMPTY_TOOLTIP": "ಒದಗಿಸಿದ ಪಠ್ಯ ಖಾಲಿಯಾಗಿದ್ದರೆ 'ಸತ್ಯ' ಹಿಂತಿರುಗಿಸುವುದು.",
+	"TEXT_INDEXOF_TOOLTIP": "ಎರಡನೇ ಪಠ್ಯದಲ್ಲಿ ಮೊದಲ ಪಠ್ಯದ ಸಂಭಾವ್ಯದ, ಮೊದಲ/ಕೊನೆಯ ಸೂಚ್ಯಂಕವನ್ನು ಹಿಂತಿರುಗಿಸುವುದು. ಪಠ್ಯ ಕಂಡುಬಂದಿಲ್ಲದಿದ್ದರೆ %1 ಅನ್ನು ಹಿಂತಿರುಗಿಸುವುದು.",
+	"TEXT_INDEXOF_TITLE": "ಪಠ್ಯದಲ್ಲಿ %1 %2 %3",
+	"TEXT_INDEXOF_OPERATOR_FIRST": "ಪಠ್ಯದ ಮೊದಲ ಸಂಭವವನ್ನು ಹುಡುಕಿ",
+	"TEXT_INDEXOF_OPERATOR_LAST": "ಪಠ್ಯದ ಕೊನೆಯ ಸಂಭವವನ್ನು ಹುಡುಕಿ",
+	"TEXT_CHARAT_TITLE": "ಪಠ್ಯದಲ್ಲಿ %1 %2",
+	"TEXT_CHARAT_FROM_START": "# ಅಕ್ಷರ ಪಡೆಯಿರಿ",
+	"TEXT_CHARAT_FROM_END": "ಕೊನೆಯಿಂದ # ಅಕ್ಷರ ಪಡೆಯಿರಿ",
+	"TEXT_CHARAT_FIRST": "ಮೊದಲ ಅಕ್ಷರವನ್ನು ಪಡೆಯಿರಿ",
+	"TEXT_CHARAT_LAST": "ಕೊನೆಯ ಅಕ್ಷರವನ್ನು ಪಡೆಯಿರಿ",
+	"TEXT_CHARAT_RANDOM": "ಯಾದೃಚ್ಛಿತ ಅಕ್ಷರವನ್ನು ಪಡೆಯಿರಿ",
+	"TEXT_CHARAT_TOOLTIP": "ನಿರ್ದಿಷ್ಟಪಡಿಸಿದ ಸ್ಥಾನದಲ್ಲಿನ ಅಕ್ಷರವನ್ನು ಹಿಂತಿರುಗಿಸುವುದು.",
+	"TEXT_GET_SUBSTRING_TOOLTIP": "ಪಠ್ಯದ ನಿರ್ದಿಷ್ಟ ಭಾಗವನ್ನು ಹಿಂತಿರುಗಿಸುವುದು.",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "ಪಠ್ಯದಲ್ಲಿ",
-	"TEXT_PRINT_TITLE": "ಮುದ್ರಣ %1",
+	"TEXT_GET_SUBSTRING_START_FROM_START": "# ಅಕ್ಷರದಿಂದ ಚಿಹ್ನೆಗಳ ಉಪಸರಣಿಯನ್ನು ಪಡೆಯಿರಿ",
+	"TEXT_GET_SUBSTRING_START_FROM_END": "# ಅಕ್ಷರದಿಂದ ಚಿಹ್ನೆಗಳ ಉಪಸರಣಿಯನ್ನು ಕೊನೆಯಿಂದ ಪಡೆಯಿರಿ",
+	"TEXT_GET_SUBSTRING_START_FIRST": "ಮೊದಲ ಅಕ್ಷರದಿಂದ ಉಪಸರಣಿಯನ್ನು ಪಡೆಯಿರಿ",
+	"TEXT_GET_SUBSTRING_END_FROM_START": "# ಅಕ್ಷರದವರೆಗೆ",
+	"TEXT_GET_SUBSTRING_END_FROM_END": "ಕೊನೆಯಿಂದ # ಅಕ್ಷರದವರೆಗೆ",
+	"TEXT_GET_SUBSTRING_END_LAST": "ಕೊನೆಯ ಅಕ್ಷರದವರೆಗೆ",
+	"TEXT_CHANGECASE_TOOLTIP": "ಪಠ್ಯದ ಪ್ರತಿಯನ್ನು ಪ್ರಸ್ತುತಕ್ಕೆ ವಿರುದ್ಡವಾದ ದೊಡ್ಡಕ್ಷರ ಅಥವಾ ಸಣ್ಣಕ್ಷರದಲ್ಲಿ ಹಿಂತಿರುಗಿಸಿ.",
+	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "ದೊಡ್ಡಕ್ಷರಕ್ಕೆ",
+	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "ಸಣ್ಣಕ್ಷರಕ್ಕೆ",
+	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "ಶೀರ್ಷಿಕೆಯ ಅಕ್ಷರವಾಗಿ",
+	"TEXT_TRIM_TOOLTIP": "ಒಂದು ಅಥವಾ ಎರಡೂ ತುದಿಗಳಿಂದ ತೆಗೆದುಹಾಕಲಾದ ಖಾಲಿ ಜಾಗ ಒಳಗೊಂಡಂತೆ ಪಠ್ಯದ ಪ್ರತಿಯನ್ನು ಹಿಂತಿರುಗಿಸುವುದು.",
+	"TEXT_TRIM_OPERATOR_BOTH": "ಎರಡೂ ಕಡೆಯಿಂದ ಖಾಲಿ ಜಾಗಗಳನ್ನು ಕತ್ತರಿಸಿ ಹಾಕಿ",
+	"TEXT_TRIM_OPERATOR_LEFT": "ಎಡಗಡೆಯಿಂದ ಖಾಲಿ ಜಾಗಗಳನ್ನು ಕತ್ತರಿಸಿ ಹಾಕಿ",
+	"TEXT_TRIM_OPERATOR_RIGHT": "ಬಲಗಡೆಯಿಂದ ಖಾಲಿ ಜಾಗಗಳನ್ನು ಕತ್ತರಿಸಿ ಹಾಕಿ",
+	"TEXT_PRINT_TITLE": "%1 ಮುದ್ರಿಸಿ",
+	"TEXT_PRINT_TOOLTIP": "ನಿರ್ದಿಷ್ಟಪಡಿಸಿದ ಪಠ್ಯ, ಸಂಖ್ಯೆ ಅಥವಾ ಇತರ ಮೌಲ್ಯವನ್ನು ಮುದ್ರಿಸಿ.",
+	"TEXT_PROMPT_TYPE_TEXT": "ಸಂದೇಶದೊಂದಿಗೆ ಪಠ್ಯಕ್ಕಾಗಿ ಜ್ಞಾಪಿಸಿ",
+	"TEXT_PROMPT_TYPE_NUMBER": "ಸಂದೇಶದೊಂದಿಗೆ ಸಂಖ್ಯೆಗಾಗಿ ಜ್ಞಾಪಿಸಿ",
+	"TEXT_PROMPT_TOOLTIP_NUMBER": "ಬಳಕೆದಾರರಿಗೆ ಸಂಖ್ಯೆಗಾಗಿ ಜ್ಞಾಪಿಸಿ.",
+	"TEXT_PROMPT_TOOLTIP_TEXT": "ಬಳಕೆದಾರರಿಗೆ ಕೆಲವು ಪಠ್ಯಕ್ಕಾಗಿ ಜ್ಞಾಪಿಸಿ.",
+	"TEXT_COUNT_MESSAGE0": "%2 ರಲ್ಲಿ %1 ಅನ್ನು ಎಣಿಸಿ",
+	"TEXT_COUNT_TOOLTIP": "ಬೇರೆ ಕೆಲವು ಪಠ್ಯಗಳಲ್ಲಿ ಕೆಲವು ಪಠ್ಯವು ಎಷ್ಟು ಬಾರಿ ಸಂಭವಿಸುತ್ತದೆ ಎಂಬುದನ್ನು ಎಣಿಸಿ.",
+	"TEXT_REPLACE_MESSAGE0": "%1 ಅನ್ನು %3 ರಲ್ಲಿ %2 ರೊಂದಿಗೆ ಬದಲಾಯಿಸಿ.",
+	"TEXT_REPLACE_TOOLTIP": "ಬೇರೆ ಪಠ್ಯದೊಳಗಿನ ಎಲ್ಲಾ ಕೆಲವು ಪಠ್ಯದ ಸಂಭಾವ್ಯಗಳನ್ನು ಬದಲಾಯಿಸಿ.",
+	"TEXT_REVERSE_MESSAGE0": "%1 ಅನ್ನು ಹಿಮ್ಮುಖಗೊಳಿಸಿ.",
+	"TEXT_REVERSE_TOOLTIP": "ಪಠ್ಯದಲ್ಲಿನ ಅಕ್ಷರಗಳ ಕ್ರಮವನ್ನು ಹಿಮ್ಮುಖಗೊಳಿಸಿ.",
+	"LISTS_CREATE_EMPTY_TITLE": "ಖಾಲಿ ಪಟ್ಟಿಯನ್ನು ರಚಿಸಿ",
+	"LISTS_CREATE_EMPTY_TOOLTIP": "ಯಾವುದೇ ದತ್ತಾಂಶ ದಾಖಲೆಗಳನ್ನು ಹೊಂದಿರದ, 0 ಉದ್ದದ, ಪಟ್ಟಿಯನ್ನು ಹಿಂತಿರುಗಿಸುವುದು.",
+	"LISTS_CREATE_WITH_TOOLTIP": "ಹಲವು ಅಂಶಗಳೊಂದಿಗೆ ಪಟ್ಟಿಯನ್ನು ರಚಿಸಿ.",
+	"LISTS_CREATE_WITH_INPUT_WITH": "ಇದರೊಂದಿಗೆ ಪಟ್ಟಿಯನ್ನು ರಚಿಸಿ.",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "ಪಟ್ಟಿ",
+	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "ಈ ಪಟ್ಟಿಯ ಬ್ಲಾಕ್ ಅನ್ನು ಮರುಸಂರಚಿಸಲು ವಿಭಾಗಗಳನ್ನು ಸೇರಿಸಿ, ತೆಗೆದುಹಾಕಿ ಅಥವಾ ಮರುಕ್ರಮಗೊಳಿಸಿ.",
+	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "ಪಟ್ಟಿಗೆ ಒಂದು ಅಂಶವನ್ನು ಸೇರಿಸಿ.",
+	"LISTS_REPEAT_TOOLTIP": "ಕೊಟ್ಟಿರುವ ಮೌಲ್ಯವನ್ನು ನಿರ್ದಿಷ್ಟ ಬಾರಿ ಪುನರಾವರ್ತಿಸುವ ಪಟ್ಟಿಯನ್ನು ರಚಿಸುತ್ತದೆ.",
+	"LISTS_REPEAT_TITLE": "%1 ಅಂಶದೊಂದಿಗೆ %2 ಬಾರಿ ಪುನರಾವರ್ತಿತಗೊಂಡ ಪಟ್ಟಿಯನ್ನು ರಚಿಸಿ.",
+	"LISTS_LENGTH_TITLE": "%1 ರ ಉದ್ದ",
+	"LISTS_LENGTH_TOOLTIP": "ಪಟ್ಟಿಯ ಉದ್ದವನ್ನು ಹಿಂತಿರುಗಿಸುವುದು.",
+	"LISTS_ISEMPTY_TITLE": "%1 ಖಾಲಿಯಾಗಿದೆ",
+	"LISTS_ISEMPTY_TOOLTIP": "ಪಟ್ಟಿ ಖಾಲಿಯಾಗಿದ್ದರೆ ಸತ್ಯ ಎಂದು ಹಿಂತಿರುಗಿಸುವುದು.",
 	"LISTS_INLIST": "ಪಟ್ಟಿಯಲ್ಲಿ",
-	"LISTS_GET_INDEX_GET": "ಪಡೆಯಲು",
-	"LISTS_GET_INDEX_GET_REMOVE": "ಪಡೆಯಲು ಮತ್ತು ತೆಗೆಯಲು",
+	"LISTS_INDEX_OF_FIRST": "ಅಂಶದ ಮೊದಲ ಸಂಭವವನ್ನು ಹುಡುಕಿ",
+	"LISTS_INDEX_OF_LAST": "ಅಂಶದ ಕೊನೆಯ ಸಂಭವವನ್ನು ಹುಡುಕಿ",
+	"LISTS_INDEX_OF_TOOLTIP": "ಪಟ್ಟಿಯಲ್ಲಿನ ಅಂಶದ ಮೊದಲ/ಕೊನೆಯ ಸಂಭಾವ್ಯದ ಸೂಚಿಯನ್ನು ಹಿಂತಿರುಗಿಸುವುದು. ಅಂಶ ಕಂಡುಬರದಿದ್ದರೆ %1 ಅನ್ನು ಹಿಂತಿರುಗಿಸುವುದು.",
+	"LISTS_GET_INDEX_GET": "ಪಡೆಯಿರಿ",
+	"LISTS_GET_INDEX_GET_REMOVE": "ಪಡೆಯಿರಿ ಮತ್ತು ತೆಗೆದುಹಾಕಿ",
 	"LISTS_GET_INDEX_REMOVE": "ತೆಗೆ",
-	"LISTS_GET_INDEX_FROM_END": "ಕೊನೆಯಿಂದ",
+	"LISTS_GET_INDEX_FROM_START": "#",
+	"LISTS_GET_INDEX_FROM_END": "# ಕೊನೆಯಿಂದ",
 	"LISTS_GET_INDEX_FIRST": "ಮೊದಲ",
 	"LISTS_GET_INDEX_LAST": "ಕೊನೆಯ",
+	"LISTS_GET_INDEX_RANDOM": "ಯಾದೃಚ್ಛಿಕ",
+	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 ಮೊದಲ ಅಂಶ ಆಗಿದೆ.",
+	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 ಕೊನೆಯ ಅಂಶ ಆಗಿದೆ.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "ಪಟ್ಟಿಯಲ್ಲಿ ನಿರ್ದಿಷ್ಟಪಡಿಸಿದ ಸ್ಥಾನದಲ್ಲಿ ಇರುವ ಅಂಶವನ್ನು ಹಿಂತಿರುಗಿಸುವುದು.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_FIRST": "ಪಟ್ಟಿಯಲ್ಲಿನ ಮೊದಲ ಅಂಶವನ್ನು ಹಿಂತಿರುಗಿಸುವುದು.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_LAST": "ಪಟ್ಟಿಯಲ್ಲಿನ ಕೊನೆಯ ಅಂಶವನ್ನು ಹಿಂತಿರುಗಿಸುವುದು.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_RANDOM": "ಪಟ್ಟಿಯಲ್ಲಿನ ಯಾದೃಚ್ಛಿಕ ಅಂಶವನ್ನು ಹಿಂತಿರುಗಿಸುವುದು.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM": "ಪಟ್ಟಿಯಲ್ಲಿ ನಿರ್ದಿಷ್ಟಪಡಿಸಿದ ಸ್ಥಾನದಲ್ಲಿನ ಅಂಶವನ್ನು ತೆಗೆದು ಹಾಕುವುದು ಮತ್ತು ಹಿಂತಿರುಗಿಸುವುದು .",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST": "ಪಟ್ಟಿಯಲ್ಲಿನ ಮೊದಲ ಸ್ಥಾನದಲ್ಲಿನ ಅಂಶವನ್ನು ತೆಗೆದು ಹಾಕುವುದು ಮತ್ತು ಹಿಂತಿರುಗಿಸುವುದು.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST": "ಪಟ್ಟಿಯಲ್ಲಿನ ಕೊನೆಯ ಸ್ಥಾನದಲ್ಲಿನ ಅಂಶವನ್ನು ತೆಗೆದು ಹಾಕುವುದು ಮತ್ತು ಹಿಂತಿರುಗಿಸುವುದು.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM": "ಪಟ್ಟಿಯಲ್ಲಿನ ಯಾದೃಚ್ಛಿಕ ಸ್ಥಾನದಲ್ಲಿನ ಅಂಶವನ್ನು ತೆಗೆದು ಹಾಕುವುದು ಮತ್ತು ಹಿಂತಿರುಗಿಸುವುದು.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM": "ಪಟ್ಟಿಯಲ್ಲಿ ನಿರ್ದಿಷ್ಟಪಡಿಸಿದ ಸ್ಥಾನದಲ್ಲಿರುವ ಅಂಶವನ್ನು ತೆಗೆದುಹಾಕುತ್ತದೆ.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST": "ಪಟ್ಟಿಯಲ್ಲಿನ ಮೊದಲ ಅಂಶವನ್ನು ತೆಗೆದುಹಾಕುತ್ತದೆ.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST": "ಪಟ್ಟಿಯಲ್ಲಿನ ಕೊನೆಯ ಅಂಶವನ್ನು ತೆಗೆದುಹಾಕುತ್ತದೆ.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM": "ಪಟ್ಟಿಯಲ್ಲಿನ ಯಾದೃಚ್ಛಿಕ ಅಂಶವನ್ನು ತೆಗೆದುಹಾಕುತ್ತದೆ.",
+	"LISTS_SET_INDEX_SET": "ಗೊತ್ತುಪಡಿಸಿ",
+	"LISTS_SET_INDEX_INSERT": "ನಲ್ಲಿ ಸೇರಿಸಿ",
+	"LISTS_SET_INDEX_INPUT_TO": "ಹಾಗೆ",
+	"LISTS_SET_INDEX_TOOLTIP_SET_FROM": "ಪಟ್ಟಿಯಲ್ಲಿನ ನಿರ್ದಿಷ್ಟಪಡಿಸಿದ ಸ್ಥಾನದಲ್ಲಿ ಅಂಶವನ್ನು ಗೊತ್ತುಪಡಿಸುತ್ತದೆ.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_FIRST": "ಪಟ್ಟಿಯಲ್ಲಿ ಮೊದಲ ಅಂಶವನ್ನು ಗೊತ್ತುಪಡಿಸುತ್ತದೆ.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_LAST": "ಪಟ್ಟಿಯಲ್ಲಿ ಕೊನೆಯ ಅಂಶವನ್ನು ಗೊತ್ತುಪಡಿಸುತ್ತದೆ.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_RANDOM": "ಪಟ್ಟಿಯಲ್ಲಿನ ಯಾದೃಚ್ಛಿಕ ಅಂಶವನ್ನು ಗೊತ್ತುಪಡಿಸುತ್ತದೆ.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_FROM": "ಪಟ್ಟಿಯಲ್ಲಿ ನಿರ್ದಿಷ್ಟಪಡಿಸಿದ ಸ್ಥಾನದಲ್ಲಿ ಅಂಶವನ್ನು ಸೇರಿಸುತ್ತದೆ.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "ಪಟ್ಟಿಯ ಪ್ರಾರಂಭದಲ್ಲಿ ಅಂಶವನ್ನು ಸೇರಿಸುತ್ತದೆ.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "ಅಂಶವನ್ನು ಪಟ್ಟಿಯ ಕೊನೆಯಲ್ಲಿ ಸೇರಿಸಿ.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "ಅಂಶವನ್ನು ಪಟ್ಟಿಯಲ್ಲಿ ಯಾದೃಚ್ಛಿಕವಾಗಿ ಒಳಸೇರಿಸುತ್ತದೆ.",
+	"LISTS_GET_SUBLIST_START_FROM_START": "# ನಿಂದ ಉಪ-ಪಟ್ಟಿಯನ್ನು ಪಡೆಯಿರಿ",
+	"LISTS_GET_SUBLIST_START_FROM_END": "# ನಿಂದ ಉಪ-ಪಟ್ಟಿಯನ್ನು ಕೊನೆಯಿಂದ ಪಡೆಯಿರಿ",
+	"LISTS_GET_SUBLIST_START_FIRST": "ಮೊದಲಿನಿಂದ ಉಪ-ಪಟ್ಟಿಯನ್ನು ಪಡೆಯಿರಿ",
+	"LISTS_GET_SUBLIST_END_FROM_START": "# ವರೆಗೆ",
+	"LISTS_GET_SUBLIST_END_FROM_END": "ಕೊನೆಯಿಂದ # ವರೆಗೆ",
+	"LISTS_GET_SUBLIST_END_LAST": "ಕೊನೆಯವರೆಗೂ",
+	"LISTS_GET_SUBLIST_TOOLTIP": "ಪಟ್ಟಿಯ ನಿರ್ದಿಷ್ಟ ಭಾಗದ ಪ್ರತಿಯನ್ನು ರಚಿಸುತ್ತದೆ.",
+	"LISTS_SORT_TITLE": "%1 %2 %3 ವಿಂಗಡಿಸಿ",
+	"LISTS_SORT_TOOLTIP": "ಪಟ್ಟಿಯ ಪ್ರತಿಯನ್ನು ವಿಂಗಡಿಸಿ.",
+	"LISTS_SORT_ORDER_ASCENDING": "ಆರೋಹಣ",
+	"LISTS_SORT_ORDER_DESCENDING": "ಅವರೋಹಣ",
+	"LISTS_SORT_TYPE_NUMERIC": "ಸಂಖ್ಯಾತ್ಮಕ",
+	"LISTS_SORT_TYPE_TEXT": "ವರ್ಣಮಾಲೆಯ",
+	"LISTS_SORT_TYPE_IGNORECASE": "ವರ್ಣಮಾಲೆಯ, ದೊಡ್ಡಕ್ಷರ/ಸಣ್ಣಕ್ಷರವನ್ನು ನಿರ್ಲಕ್ಷಿಸಿ",
+	"LISTS_SPLIT_LIST_FROM_TEXT": "ಪಠ್ಯದಿಂದ ಪಟ್ಟಿಯನ್ನು ಮಾಡಿ",
+	"LISTS_SPLIT_TEXT_FROM_LIST": "ಪಟ್ಟಿಯಿಂದ ಪಠ್ಯವನ್ನು ಮಾಡಿ",
+	"LISTS_SPLIT_WITH_DELIMITER": "ಪ್ರಾರಂಭ ಅಥವಾ ಅಂತ್ಯ ಚಿನ್ಹೆಯೊಡನೆ",
+	"LISTS_SPLIT_TOOLTIP_SPLIT": "ಪ್ರಾರಂಭ ಅಥವಾ ಅಂತ್ಯ ಚಿನ್ಹೆಯಲ್ಲಿ ಮುರಿದು, ಪಠ್ಯವನ್ನು ವಿಭಜಿಸಿ ಪಠ್ಯಗಳ ಪಟ್ಟಿಮಾಡಿ.",
+	"LISTS_SPLIT_TOOLTIP_JOIN": "ಪ್ರಾರಂಭ ಅಥವಾ ಅಂತ್ಯ ಚಿನ್ಹೆಯಿಂದ ಬೇರ್ಪಡಿಸಲಾಗಿರುವ ಪಠ್ಯಗಳ ಪಟ್ಟಿಯನ್ನೆಲ್ಲಾ ಒಂದು ಪಠ್ಯಕ್ಕೆ ಸೇರಿಸಿ.",
+	"LISTS_REVERSE_MESSAGE0": "%1 ನ್ನು ಹಿಮ್ಮುಖಗೊಳಿಸಿ",
+	"LISTS_REVERSE_TOOLTIP": "ಪಟ್ಟಿಯ ಪ್ರತಿಯನ್ನು ಹಿಮ್ಮುಖಗೊಳಿಸಿ.",
+	"VARIABLES_GET_TOOLTIP": "ಈ ಚರಾಂಶದ ಮೌಲ್ಯವನ್ನು ಹಿಂತಿರುಗಿಸುತ್ತದೆ.",
+	"VARIABLES_GET_CREATE_SET": "'%1 ಬದಲಿಸಿ' ರಚಿಸಿ",
+	"VARIABLES_SET": "%1 ನ್ನು %2 ಕ್ಕೆ ಬದಲಿಸಿ",
+	"VARIABLES_SET_TOOLTIP": "ಈ ಚರಾಂಶವನ್ನು ಸೇರಿಸುವ ಅಂಶಕ್ಕೆ ಸಮಾನವಾಗಿ ಬದಲಿಸುತ್ತದೆ.",
+	"VARIABLES_SET_CREATE_GET": "'%1 ಪಡೆಯಿರಿ' ರಚಿಸಿ",
+	"PROCEDURES_DEFNORETURN_TITLE": "ಗೆ",
+	"PROCEDURES_DEFNORETURN_PROCEDURE": "ಏನಾದರೂ ಮಾಡಿ",
 	"PROCEDURES_BEFORE_PARAMS": "ಜೊತೆ:",
-	"PROCEDURES_CALL_BEFORE_PARAMS": "ಜೊತೆ:"
+	"PROCEDURES_CALL_BEFORE_PARAMS": "ಜೊತೆ:",
+	"PROCEDURES_DEFNORETURN_TOOLTIP": "ಯಾವುದೇ ಹೊರಾಂಶ ಇಲ್ಲದ ಕಾರ್ಯಘಟಕವನ್ನು ರಚಿಸುತ್ತದೆ.",
+	"PROCEDURES_DEFNORETURN_COMMENT": "ಈ ಕಾರ್ಯಘಟಕವನ್ನು ವಿವರಿಸಿ ...",
+	"PROCEDURES_DEFRETURN_RETURN": "ಹಿಂತಿರುಗಿಸಿ",
+	"PROCEDURES_DEFRETURN_TOOLTIP": "ಹೊರಾಂಶ ಇರುವ ಕಾರ್ಯ ಘಟಕವನ್ನು ರಚಿಸುತ್ತದೆ.",
+	"PROCEDURES_ALLOW_STATEMENTS": "ಹೇಳಿಕೆಗಳನ್ನು ಅನುಮತಿಸಿ",
+	"PROCEDURES_DEF_DUPLICATE_WARNING": "ಎಚ್ಚರಿಕೆ: ಈ ಕಾರ್ಯಘಟಕವು ನಕಲಿ ನಿಯತಾಂಕಗಳನ್ನು ಹೊಂದಿದೆ.",
+	"PROCEDURES_CALLNORETURN_TOOLTIP": "ಬಳಕೆದಾರ-ವ್ಯಾಖ್ಯಾನಿತ ಕಾರ್ಯಘಟಕ '%1'ಅನ್ನು ಚಲಾಯಿಸಿ.",
+	"PROCEDURES_CALLRETURN_TOOLTIP": "ಬಳಕೆದಾರ-ವ್ಯಾಖ್ಯಾನಿತ ಕಾರ್ಯಘಟಕ '%1'ಅನ್ನು ಚಲಾಯಿಸಿ ಮತ್ತು ಅದರ ಹೊರಾಂಶವನ್ನು ಉಪಯೋಗಿಸಿ",
+	"PROCEDURES_MUTATORCONTAINER_TITLE": "ಒಳಾoಶಗಳು",
+	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "ಈ ಕಾರ್ಯಕ್ಕೆ ಒಳಾoಶಗಳನ್ನು ಸೇರಿಸಿ, ತೆಗೆದುಹಾಕಿ ಅಥವಾ ಮರುಕ್ರಮಗೊಳಿಸಿ.",
+	"PROCEDURES_MUTATORARG_TITLE": "ಒಳಾoಶದ ಹೆಸರು:",
+	"PROCEDURES_MUTATORARG_TOOLTIP": "ಕಾರ್ಯಘಟಕಕ್ಕೆ ಒಳಾoಶವನ್ನು ಸೇರಿಸಿ.",
+	"PROCEDURES_HIGHLIGHT_DEF": "ಕಾರ್ಯಘಟಕದ ವ್ಯಾಖ್ಯಾನವನ್ನು ಹೈಲೈಟ್ ಮಾಡಿ",
+	"PROCEDURES_CREATE_DO": "'%1' ರಚಿಸಿ",
+	"PROCEDURES_IFRETURN_TOOLTIP": "ಒಂದು ಮೌಲ್ಯವು ಸತ್ಯವಾಗಿದ್ದರೆ, ಎರಡನೇ ಮೌಲ್ಯವನ್ನು ಹಿಂತಿರುಗಿಸಿ.",
+	"PROCEDURES_IFRETURN_WARNING": "ಎಚ್ಚರಿಕೆ: ಈ ಬ್ಲಾಕ್ ಅನ್ನು ಕಾರ್ಯಘಟಕದ ವ್ಯಾಖ್ಯಾನದಲ್ಲಿ ಮಾತ್ರ ಬಳಸಬಹುದು.",
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "ಏನಾದರು ಹೇಳಿ...",
+	"WORKSPACE_ARIA_LABEL": "ಬ್ಲಾಕ್ಲಿ ಕಾರ್ಯಕ್ಷೇತ್ರ",
+	"COLLAPSED_WARNINGS_WARNING": "ಸಂಕುಚಿತಗೊಂಡ ಬ್ಲಾಕ್ ಗಳು ಎಚ್ಚರಿಕೆಗಳನ್ನು ಒಳಗೊಂಡಿರುತ್ತವೆ.",
+	"DIALOG_OK": "ಸರಿ",
+	"DIALOG_CANCEL": "ರದ್ದುಮಾಡಿ"
 }
diff --git a/msg/json/ko.json b/msg/json/ko.json
index 91138562d1a..bbfa5eb9488 100644
--- a/msg/json/ko.json
+++ b/msg/json/ko.json
@@ -2,7 +2,10 @@
 	"@metadata": {
 		"authors": [
 			"Alex00728",
+			"Amire80",
 			"Codenstory",
+			"Delanoor",
+			"Dr1t jg",
 			"Gongsoonyee",
 			"Hym411",
 			"JeonHK",
@@ -16,6 +19,8 @@
 			"Priviet",
 			"Revi",
 			"SeoJeongHo",
+			"Snddl3",
+			"Suleiman the Magnificent Television",
 			"Ykhwong",
 			"아라"
 		]
@@ -53,6 +58,7 @@
 	"NEW_VARIABLE_TITLE": "새 변수 이름:",
 	"VARIABLE_ALREADY_EXISTS": "'%1' 변수는 이미 존재합니다.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "'%1' 변수는 다른 유형에 대해 이미 존재합니다: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "'%1' 변수가 이미 '%2' 프로시저의 변수로 존재합니다.",
 	"DELETE_VARIABLE_CONFIRMATION": "'%2' 변수에서 %1을(를) 삭제하시겠습니까?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "'%2' 함수 정의의 일부이기 때문에 '%1' 변수를 삭제할 수 없습니다",
 	"DELETE_VARIABLE": "'%1' 변수를 삭제합니다",
@@ -60,13 +66,11 @@
 	"COLOUR_PICKER_TOOLTIP": "팔레트에서 색을 고릅니다",
 	"COLOUR_RANDOM_TITLE": "무작위 색상",
 	"COLOUR_RANDOM_TOOLTIP": "무작위로 색을 고릅니다.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "색",
 	"COLOUR_RGB_RED": "빨강",
 	"COLOUR_RGB_GREEN": "초록",
 	"COLOUR_RGB_BLUE": "파랑",
 	"COLOUR_RGB_TOOLTIP": "빨강,파랑,초록의 값을 이용하여 색을 만드십시오. 모든 값은 0과 100 사이에 있어야 합니다.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "혼합",
 	"COLOUR_BLEND_COLOUR1": "색 1",
 	"COLOUR_BLEND_COLOUR2": "색 2",
@@ -79,10 +83,10 @@
 	"CONTROLS_WHILEUNTIL_HELPURL": "https://ko.wikipedia.org/wiki/While_%EB%A3%A8%ED%94%84",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "동안 반복",
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "다음까지 반복",
-	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "값이 참일 때, 몇 가지 선언을 합니다.",
-	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "값이 거짓일 때, 몇 가지 선언을 합니다.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "값이 참일 때, 명령들을 실행합니다.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "값이 거짓인 동안 명령문을 실행합니다.",
 	"CONTROLS_FOR_HELPURL": "https://ko.wikipedia.org/wiki/For_%EB%A3%A8%ED%94%84",
-	"CONTROLS_FOR_TOOLTIP": "변수 \"%1\"은 지정된 간격으로 시작 수에서 끝 수까지를 세어 지정된 블록을 수행해야 합니다.",
+	"CONTROLS_FOR_TOOLTIP": "변수 '%1'이(가) 지정된 간격으로 시작 번호에서 끝 번호까지 세는 동시에 지정된 블록을 실행하게 하세요.",
 	"CONTROLS_FOR_TITLE": "으로 계산 %1 %2에서 %4을 이용하여 %3로",
 	"CONTROLS_FOREACH_HELPURL": "https://ko.wikipedia.org/wiki/For_%EB%A3%A8%ED%94%84#.EC.9E.84.EC.9D.98.EC.9D.98_.EC.A7.91.ED.95.A9",
 	"CONTROLS_FOREACH_TITLE": "각 항목에 대해 %1 목록으로 %2",
@@ -104,19 +108,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "섹션을 추가, 제거하거나 순서를 변경하여 이 if 블럭을 재구성합니다.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "\"만약\" 블럭에 조건 검사를 추가합니다.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "\"만약\" 블럭의 마지막에, 모든 검사 결과가 거짓인 경우 실행할 부분을 추가합니다.",
-	"IOS_OK": "확인",
-	"IOS_CANCEL": "취소",
-	"IOS_ERROR": "오류",
-	"IOS_PROCEDURES_INPUTS": "입력",
-	"IOS_PROCEDURES_ADD_INPUT": "+ 입력 추가",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "구문 허가",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "이 기능은 중복된 입력이 있습니다.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ 변수 추가",
-	"IOS_VARIABLES_ADD_BUTTON": "추가",
-	"IOS_VARIABLES_RENAME_BUTTON": "이름 바꾸기",
-	"IOS_VARIABLES_DELETE_BUTTON": "삭제",
-	"IOS_VARIABLES_VARIABLE_NAME": "변수 이름",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "비어있는 변수 이름을 사용할 수 없습니다.",
 	"LOGIC_COMPARE_HELPURL": "https://ko.wikipedia.org/wiki/부등식",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "두 값이 같으면, 참(true) 값을 돌려줍니다.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "두 값이 서로 다르면, 참(true) 값을 돌려줍니다.",
@@ -136,7 +127,6 @@
 	"LOGIC_BOOLEAN_TRUE": "참",
 	"LOGIC_BOOLEAN_FALSE": "거짓",
 	"LOGIC_BOOLEAN_TOOLTIP": "참 혹은 거짓 모두 반환합니다.",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "빈 값",
 	"LOGIC_NULL_TOOLTIP": "빈 값을 반환합니다.",
 	"LOGIC_TERNARY_HELPURL": "https://ko.wikipedia.org/wiki/물음표",
@@ -146,11 +136,7 @@
 	"LOGIC_TERNARY_TOOLTIP": "'test'의 조건을 검사합니다. 조건이 참이면 'if true' 값을 반환합니다. 거짓이면 'if false' 값을 반환합니다.",
 	"MATH_NUMBER_HELPURL": "https://ko.wikipedia.org/wiki/수_(수학)",
 	"MATH_NUMBER_TOOLTIP": "수",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
 	"MATH_MULTIPLICATION_SYMBOL": "x",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tan",
@@ -190,15 +176,13 @@
 	"MATH_IS_NEGATIVE": "가 음(-)수 이면",
 	"MATH_IS_DIVISIBLE_BY": "가 다음 수로 나누어 떨어지면 :",
 	"MATH_IS_TOOLTIP": "어떤 수가 짝 수, 홀 수, 소 수, 정 수, 양 수, 음 수, 나누어 떨어지는 수 인지 검사해 결과값을 돌려줍니다. 참(true) 또는 거짓(false) 값을 돌려줌.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
-	"MATH_CHANGE_TITLE": "바꾸기 %1 만큼 %2",
+	"MATH_CHANGE_TITLE": "%1 을 %2 만큼 바꾸기",
 	"MATH_CHANGE_TOOLTIP": "변수 '%1' 에 저장되어있는 값에, 어떤 수를 더해, 변수에 다시 저장합니다.",
 	"MATH_ROUND_HELPURL": "https://ko.wikipedia.org/wiki/반올림",
 	"MATH_ROUND_TOOLTIP": "어떤 수를 반올림/올림/버림한 결과를, 정수값으로 돌려줍니다.",
 	"MATH_ROUND_OPERATOR_ROUND": "반올림",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "올림",
 	"MATH_ROUND_OPERATOR_ROUNDDOWN": "버림",
-	"MATH_ONLIST_HELPURL": "",
 	"MATH_ONLIST_OPERATOR_SUM": "합",
 	"MATH_ONLIST_TOOLTIP_SUM": "리스트에 들어있는 수(값)들을, 모두 합(sum) 한, 총합(sum)을 돌려줍니다.",
 	"MATH_ONLIST_OPERATOR_MIN": "최소값",
@@ -215,54 +199,42 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "이 리스트의 표준 편차를 반환합니다.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "목록의 임의 항목",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "목록에서 임의의 아이템을 돌려줍니다.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "%1 ÷ %2의 나머지",
 	"MATH_MODULO_TOOLTIP": "첫 번째 수를 두 번째 수로 나눈, 나머지 값을 돌려줍니다.",
 	"MATH_CONSTRAIN_HELPURL": "https://ko.wikipedia.org/wiki/클램핑_(그래픽)",
 	"MATH_CONSTRAIN_TITLE": "%1의 값을, 최소 %2 최대 %3으로 조정",
 	"MATH_CONSTRAIN_TOOLTIP": "어떤 수를, 특정 범위의 값이 되도록 강제로 조정합니다.",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "랜덤정수(%1<= n <=%2)",
 	"MATH_RANDOM_INT_TOOLTIP": "두 주어진 제한된 범위 사이의 임의 정수값을 돌려줍니다.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "임의 분수",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "0.0 (포함)과 1.0 (배타적) 사이의 임의 분수 값을 돌려줍니다.",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "X:%1 Y:%2의 atan2",
 	"MATH_ATAN2_TOOLTIP": "점 (X, Y)의 아크탄젠트를 -180에서 180까지 도 단위로 반환합니다.",
 	"TEXT_TEXT_HELPURL": "https://ko.wikipedia.org/wiki/문자열",
 	"TEXT_TEXT_TOOLTIP": "문자, 단어, 문장.",
-	"TEXT_JOIN_HELPURL": "https://github.com/google/blockly/wiki/Text#text-creation",
 	"TEXT_JOIN_TITLE_CREATEWITH": "텍스트 만들기",
 	"TEXT_JOIN_TOOLTIP": "여러 개의 아이템들을 연결해(묶어), 새로운 문장을 만듭니다.",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "가입",
 	"TEXT_CREATE_JOIN_TOOLTIP": "섹션을 추가, 제거하거나 순서를 변경하여 이 텍스트 블럭을 재구성합니다.",
 	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "텍스트에 항목을 추가합니다.",
-	"TEXT_APPEND_HELPURL": "https://github.com/google/blockly/wiki/Text#text-modification",
 	"TEXT_APPEND_TITLE": "다음 %1 내용 덧붙이기 %2",
 	"TEXT_APPEND_TOOLTIP": "'%1' 변수의 끝에 일부 텍스트를 덧붙입니다.",
-	"TEXT_LENGTH_HELPURL": "https://github.com/google/blockly/wiki/Text#text-modification",
 	"TEXT_LENGTH_TITLE": "다음 문장의 문자 개수 %1",
 	"TEXT_LENGTH_TOOLTIP": "입력된 문장의, 문자 개수를 돌려줍니다.(공백문자 포함)",
-	"TEXT_ISEMPTY_HELPURL": "https://github.com/google/blockly/wiki/Text#checking-for-empty-text",
 	"TEXT_ISEMPTY_TITLE": "%1이 비어 있습니다",
 	"TEXT_ISEMPTY_TOOLTIP": "입력된 문장이, 빈 문장(\"\")이면 참(true) 값을 돌려줍니다.",
-	"TEXT_INDEXOF_HELPURL": "https://github.com/google/blockly/wiki/Text#finding-text",
 	"TEXT_INDEXOF_TOOLTIP": "두 번째 텍스트에서 첫 번째 텍스트가 처음 또는 마지막으로 발생한 색인 위치를 반환합니다. 텍스트가 없으면 %1을 반환합니다.",
 	"TEXT_INDEXOF_TITLE": "문장 %1 %2 %3",
 	"TEXT_INDEXOF_OPERATOR_FIRST": "에서 다음 문장이 처음으로 나타난 위치 찾기 :",
 	"TEXT_INDEXOF_OPERATOR_LAST": "에서 다음 문장이 마지막으로 나타난 위치 찾기 :",
-	"TEXT_CHARAT_HELPURL": "https://github.com/google/blockly/wiki/Text#extracting-text",
 	"TEXT_CHARAT_TITLE": "텍스트 %1 %2에서",
 	"TEXT_CHARAT_FROM_START": "에서, 앞에서부터 # 번째 위치의 문자 얻기",
 	"TEXT_CHARAT_FROM_END": "에서, 마지막부터 # 번째 위치의 문자 얻기",
 	"TEXT_CHARAT_FIRST": "에서, 첫 번째 문자 얻기",
 	"TEXT_CHARAT_LAST": "에서, 마지막 문자 얻기",
 	"TEXT_CHARAT_RANDOM": "에서, 랜덤하게 한 문자 얻기",
-	"TEXT_CHARAT_TAIL": "",
 	"TEXT_CHARAT_TOOLTIP": "특정 번째 위치에서, 문자를 얻어내 돌려줍니다.",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "문장 중 일부를 얻어내 돌려줍니다.",
-	"TEXT_GET_SUBSTRING_HELPURL": "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "문장",
 	"TEXT_GET_SUBSTRING_START_FROM_START": "에서, 처음부터 # 번째 문자부터 얻어냄",
 	"TEXT_GET_SUBSTRING_START_FROM_END": "에서, 마지막에서 # 번째부터 얻어냄",
@@ -270,54 +242,40 @@
 	"TEXT_GET_SUBSTRING_END_FROM_START": "# 번째 문자까지",
 	"TEXT_GET_SUBSTRING_END_FROM_END": "끝에서부터 # 번째 문자까지",
 	"TEXT_GET_SUBSTRING_END_LAST": "마지막 문자까지",
-	"TEXT_GET_SUBSTRING_TAIL": "",
-	"TEXT_CHANGECASE_HELPURL": "https://github.com/google/blockly/wiki/Text#adjusting-text-case",
 	"TEXT_CHANGECASE_TOOLTIP": "영문 대소문자 형태를 변경해 돌려줍니다.",
 	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "대문자로",
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "소문자로",
 	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "첫 문자만 대문자로",
-	"TEXT_TRIM_HELPURL": "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces",
 	"TEXT_TRIM_TOOLTIP": "문장의 왼쪽/오른쪽/양쪽에서 스페이스 문자를 제거해 돌려줍니다.",
 	"TEXT_TRIM_OPERATOR_BOTH": "양쪽의 공백 문자 제거",
 	"TEXT_TRIM_OPERATOR_LEFT": "왼쪽의 공백 문자 제거",
 	"TEXT_TRIM_OPERATOR_RIGHT": "오른쪽의 공백 문자 제거",
-	"TEXT_PRINT_HELPURL": "https://github.com/google/blockly/wiki/Text#printing-text",
 	"TEXT_PRINT_TITLE": "다음 내용 출력 %1",
 	"TEXT_PRINT_TOOLTIP": "원하는 문장, 수, 값 등을 출력합니다.",
-	"TEXT_PROMPT_HELPURL": "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user",
 	"TEXT_PROMPT_TYPE_TEXT": "메시지를 활용해 문장 입력",
 	"TEXT_PROMPT_TYPE_NUMBER": "메시지를 활용해 수 입력",
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "수에 대해 사용자의 입력을 받습니다.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "문장에 대해 사용자의 입력을 받습니다.",
 	"TEXT_COUNT_MESSAGE0": "%2에서 %1 숫자 세기",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "다른 어떤 텍스트에서 어떤 텍스트가 나타난 횟수를 셉니다.",
 	"TEXT_REPLACE_MESSAGE0": "%3에서 %2을(를) %1(으)로 바꾸기",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "다른 텍스트 내에서 일부 텍스트의 모든 발생을 치환합니다.",
 	"TEXT_REVERSE_MESSAGE0": "%1 뒤집기",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "텍스트 안의 문자의 순서를 반전시킵니다.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "빈 리스트 생성",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "데이터 레코드가 없는, 길이가 0인 목록을 반환합니다.",
-	"LISTS_CREATE_WITH_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_CREATE_WITH_TOOLTIP": "원하는 수의 항목들로 목록을 생성합니다.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "리스트 만들기",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "리스트",
 	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "섹션을 추가, 제거하거나 순서를 변경하여 이 리스트 블럭을 재구성합니다.",
 	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "아이템을 리스트에 추가합니다.",
-	"LISTS_REPEAT_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_REPEAT_TOOLTIP": "지정된 값을, 지정된 개수 만큼 넣어, 목록을 생성합니다.",
 	"LISTS_REPEAT_TITLE": "%1을 %2번 넣어, 리스트 생성",
-	"LISTS_LENGTH_HELPURL": "https://github.com/google/blockly/wiki/Lists#length-of",
 	"LISTS_LENGTH_TITLE": "%1의 길이",
 	"LISTS_LENGTH_TOOLTIP": "목록의 길이를 반환합니다.",
-	"LISTS_ISEMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#is-empty",
 	"LISTS_ISEMPTY_TITLE": "%1이 비어 있습니다",
 	"LISTS_ISEMPTY_TOOLTIP": "목록이 비었을 때 참을 반환합니다.",
 	"LISTS_INLIST": "리스트",
-	"LISTS_INDEX_OF_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list",
 	"LISTS_INDEX_OF_FIRST": "처음으로 나타난 위치",
 	"LISTS_INDEX_OF_LAST": "마지막으로 나타난 위치",
 	"LISTS_INDEX_OF_TOOLTIP": "목록에서 항목이 처음 또는 마지막으로 발생한 색인 위치를 반환합니다. 항목이 없으면 %1을 반환합니다.",
@@ -329,7 +287,6 @@
 	"LISTS_GET_INDEX_FIRST": "첫 번째",
 	"LISTS_GET_INDEX_LAST": "마지막",
 	"LISTS_GET_INDEX_RANDOM": "임의로",
-	"LISTS_GET_INDEX_TAIL": "",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "%1은 첫 번째 항목입니다.",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "%1은(는) 마지막 항목입니다.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "목록에서 특정 위치의 항목을 반환합니다.",
@@ -344,7 +301,6 @@
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST": "리스트에서 첫 번째 아이템을 삭제합니다.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST": "리스트에서 마지막 아이템을 찾아 삭제합니다.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM": "리스트에서 랜덤하게 아이템을 삭제합니다.",
-	"LISTS_SET_INDEX_HELPURL": "https://github.com/google/blockly/wiki/Lists#in-list--set",
 	"LISTS_SET_INDEX_SET": "에서 설정",
 	"LISTS_SET_INDEX_INSERT": "에서 원하는 위치에 삽입",
 	"LISTS_SET_INDEX_INPUT_TO": "에",
@@ -356,16 +312,13 @@
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "항목을 목록의 처음 위치에 삽입합니다.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "리스트의 마지막에 아이템을 추가합니다.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "목록에서 임의 위치에 아이템을 삽입합니다.",
-	"LISTS_GET_SUBLIST_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-a-sublist",
 	"LISTS_GET_SUBLIST_START_FROM_START": "처음 # 번째 위치부터, 서브 리스트 추출",
 	"LISTS_GET_SUBLIST_START_FROM_END": "마지막부터 # 번째 위치부터, 서브 리스트 추출",
 	"LISTS_GET_SUBLIST_START_FIRST": "첫 번째 위치부터, 서브 리스트 추출",
 	"LISTS_GET_SUBLIST_END_FROM_START": "앞에서부터 # 번째로",
 	"LISTS_GET_SUBLIST_END_FROM_END": "끝에서부터 # 번째로",
 	"LISTS_GET_SUBLIST_END_LAST": "마지막으로",
-	"LISTS_GET_SUBLIST_TAIL": "",
 	"LISTS_GET_SUBLIST_TOOLTIP": "목록의 특정 부분에 대한 복사본을 만듭니다.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "정렬 %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "목록의 사본을 정렬합니다.",
 	"LISTS_SORT_ORDER_ASCENDING": "오름차순",
@@ -373,16 +326,13 @@
 	"LISTS_SORT_TYPE_NUMERIC": "숫자순",
 	"LISTS_SORT_TYPE_TEXT": "알파벳순",
 	"LISTS_SORT_TYPE_IGNORECASE": "알파벳순 (대소문자 구분 안 함)",
-	"LISTS_SPLIT_HELPURL": "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "텍스트에서 목록 만들기",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "목록에서 텍스트 만들기",
 	"LISTS_SPLIT_WITH_DELIMITER": "분리와",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "각 속보, 텍스트의 목록들에서 텍스트를 분할합니다.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "구분 기호로 구분하여 텍스트 목록을 하나의 텍스트에 병합합니다.",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "%1 뒤집기",
 	"LISTS_REVERSE_TOOLTIP": "리스트의 복사본을 뒤집습니다.",
-	"ORDINAL_NUMBER_SUFFIX": "",
 	"VARIABLES_GET_HELPURL": "https://ko.wikipedia.org/wiki/%EB%B3%80%EC%88%98_(%EC%BB%B4%ED%93%A8%ED%84%B0_%EA%B3%BC%ED%95%99)",
 	"VARIABLES_GET_TOOLTIP": "변수에 저장 되어있는 값을 돌려줍니다.",
 	"VARIABLES_GET_CREATE_SET": "'집합 %1' 생성",
@@ -390,15 +340,14 @@
 	"VARIABLES_SET": "%1를 %2로 설정",
 	"VARIABLES_SET_TOOLTIP": "변수의 값을 입력한 값으로 변경해 줍니다.",
 	"VARIABLES_SET_CREATE_GET": "'%1 값 읽기' 블럭 생성",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://ko.wikipedia.org/wiki/%ED%95%A8%EC%88%98_%28%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%B0%8D%29",
 	"PROCEDURES_DEFNORETURN_TITLE": "함수",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "함수 이름",
 	"PROCEDURES_BEFORE_PARAMS": "사용:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "사용:",
-	"PROCEDURES_DEFNORETURN_DO": "",
+	"PROCEDURES_CALL_DISABLED_DEF_WARNING": "정의 블록이 비활성화되었기 때문에 사용자 정의 함수 '%1'를 실행할 수 없습니다.",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "실행 후, 결과 값을 돌려주지 않는 함수를 만듭니다.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "이 함수를 설명하세요...",
-	"PROCEDURES_DEFRETURN_HELPURL": "https://ko.wikipedia.org/wiki/%ED%95%A8%EC%88%98_%28%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%B0%8D%29",
+	"PROCEDURES_DEFRETURN_HELPURL": "https://ko.wikipedia.org/wiki/함수_(컴퓨터_과학)",
 	"PROCEDURES_DEFRETURN_RETURN": "다음을 돌려줌",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "실행 후, 결과 값을 돌려주는 함수를 만듭니다.",
 	"PROCEDURES_ALLOW_STATEMENTS": "서술 허가",
@@ -414,9 +363,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "함수 정의 찾기",
 	"PROCEDURES_CREATE_DO": "'%1' 생성",
 	"PROCEDURES_IFRETURN_TOOLTIP": "값이 참이라면, 두 번째 값을 반환합니다.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "경고: 이 블럭은, 함수 정의 블럭 안에서만 사용할 수 있습니다.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "말해 보세요...",
 	"WORKSPACE_ARIA_LABEL": "Blockly 워크스페이스",
-	"COLLAPSED_WARNINGS_WARNING": "접힌 블록이 경고를 포함하고 있습니다."
+	"COLLAPSED_WARNINGS_WARNING": "접힌 블록이 경고를 포함하고 있습니다.",
+	"DIALOG_OK": "확인",
+	"DIALOG_CANCEL": "취소"
 }
diff --git a/msg/json/ksh.json b/msg/json/ksh.json
new file mode 100644
index 00000000000..42082671e45
--- /dev/null
+++ b/msg/json/ksh.json
@@ -0,0 +1,43 @@
+{
+	"@metadata": {
+		"authors": [
+			"Purodha"
+		]
+	},
+	"DELETE_BLOCK": "Schmiiß dat Klözje fott",
+	"DELETE_X_BLOCKS": "Schmiiß %1 Klözjer fott",
+	"CLEAN_UP": "Klözjer opprühme",
+	"COLLAPSE_BLOCK": "Donn dat Klözje zesammefallde",
+	"COLLAPSE_ALL": "Donn di Klözjer zesammefallde",
+	"EXPAND_BLOCK": "Donn dat Klözje opfallde",
+	"EXPAND_ALL": "Donn di Klözjer opfallde",
+	"DISABLE_BLOCK": "Donn dat Klözje ußschallde",
+	"ENABLE_BLOCK": "Donn dat Klözje enschallde",
+	"HELP": "Hölp",
+	"CHANGE_VALUE_TITLE": "Dä Wäät tuusche:",
+	"COLOUR_RANDOM_TITLE": "en föhfälleje Färv",
+	"COLOUR_RANDOM_TOOLTIP": "Söhg en Färv pä Zohfall uß.",
+	"COLOUR_RGB_TITLE": "enfärve met",
+	"COLOUR_RGB_RED": "ruhd",
+	"COLOUR_RGB_GREEN": "jröhn",
+	"COLOUR_RGB_BLUE": "blou",
+	"COLOUR_BLEND_COLOUR1": "eezte Färv",
+	"COLOUR_BLEND_COLOUR2": "zwaite Färv",
+	"COLOUR_BLEND_RATIO": "Verhhälltneß",
+	"COLOUR_BLEND_TOOLTIP": "Mesch zwai Färve med enem beschtempte Verhältneß (zwesche 0.0 un 1.0)",
+	"CONTROLS_REPEAT_TITLE": "%1 Mohl widerhole",
+	"CONTROLS_REPEAT_INPUT_DO": "maach",
+	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "widderholl, esu lang wi",
+	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "widerholl bes",
+	"CONTROLS_FOR_TITLE": "zäll %1 vun %2 noh %3 en Schredde vun %4",
+	"CONTROLS_IF_MSG_ELSE": "sönst",
+	"MATH_CHANGE_TITLE": "donn dä Wääd_en %1 öm %2 ändere",
+	"LISTS_ISEMPTY_TITLE": "%1 es läddesch",
+	"LISTS_ISEMPTY_TOOLTIP": "Jitt „Wohr“ us, wann en dä Leß nix dren es.",
+	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 es de Eezde en de Leß.",
+	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 es de Läzde en de Leß.",
+	"LISTS_SORT_ORDER_ASCENDING": "opwääts",
+	"LISTS_SORT_ORDER_DESCENDING": "rökwääts zottehre",
+	"VARIABLES_SET": "säz der Wäät en %1 op %2",
+	"DIALOG_OK": "Jebongt!"
+}
diff --git a/msg/json/ku-latn.json b/msg/json/ku-latn.json
new file mode 100644
index 00000000000..90ded0f2619
--- /dev/null
+++ b/msg/json/ku-latn.json
@@ -0,0 +1,41 @@
+{
+	"@metadata": {
+		"authors": [
+			"Bikarhêner",
+			"George Animal",
+			"Ghybu",
+			"Kur"
+		]
+	},
+	"TODAY": "Îro",
+	"ADD_COMMENT": "Şîroveyekê lê zêde bike",
+	"HELP": "Alîkarî",
+	"UNDO": "Betal bike",
+	"COLOUR_RANDOM_TITLE": "rengeke ketober",
+	"COLOUR_RGB_RED": "sor",
+	"COLOUR_RGB_GREEN": "kesk",
+	"COLOUR_RGB_BLUE": "şîn",
+	"COLOUR_BLEND_COLOUR1": "reng 1",
+	"COLOUR_BLEND_COLOUR2": "reng 2",
+	"CONTROLS_IF_MSG_IF": "heke",
+	"LOGIC_OPERATION_AND": "û",
+	"LOGIC_OPERATION_OR": "an",
+	"LOGIC_BOOLEAN_TRUE": "rast",
+	"LOGIC_BOOLEAN_FALSE": "nerast",
+	"LOGIC_TERNARY_CONDITION": "test",
+	"LOGIC_TERNARY_IF_TRUE": "heke rast be",
+	"LOGIC_TERNARY_IF_FALSE": "heke nerast be",
+	"TEXT_CREATE_JOIN_TITLE_JOIN": "beşdarî",
+	"TEXT_ISEMPTY_TITLE": "%1 vala ye",
+	"TEXT_PRINT_TITLE": "çap %1",
+	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "lîste",
+	"LISTS_ISEMPTY_TITLE": "%1 vala ye",
+	"LISTS_GET_INDEX_FIRST": "ya pêşîn",
+	"LISTS_GET_INDEX_LAST": "ya paşîn",
+	"LISTS_GET_INDEX_RANDOM": "ketober",
+	"PROCEDURES_DEFRETURN_RETURN": "vegere",
+	"PROCEDURES_CREATE_DO": "Biafirîne '%1'",
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Tiştek bibêje...",
+	"DIALOG_OK": "Baş e",
+	"DIALOG_CANCEL": "Betal bike"
+}
diff --git a/msg/json/ky.json b/msg/json/ky.json
new file mode 100644
index 00000000000..b999ae11ce3
--- /dev/null
+++ b/msg/json/ky.json
@@ -0,0 +1,71 @@
+{
+	"@metadata": {
+		"authors": [
+			"Bosogo",
+			"Friendwip.kg",
+			"Janatkg",
+			"Jenishbek"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "элемент",
+	"TODAY": "Бүгүн",
+	"DUPLICATE_BLOCK": "Дубликат",
+	"ADD_COMMENT": "Пикириңизди кошуңуз",
+	"REMOVE_COMMENT": "Жорумду өчүрүү",
+	"EXTERNAL_INPUTS": "Тышкы Толуктоолор",
+	"INLINE_INPUTS": "Ички Толуктоолор",
+	"DELETE_BLOCK": "Блокту Өчүрүү",
+	"DELETE_X_BLOCKS": "Блоктун %1ын Өчүрүү",
+	"DELETE_ALL_BLOCKS": "%1 блоктордун баарын өчүрүү, йа?",
+	"CLEAN_UP": "Блокторду тазалоо",
+	"COLLAPSE_BLOCK": "Блокту жашыруу",
+	"COLLAPSE_ALL": "Блокторду жашыруу",
+	"EXPAND_BLOCK": "Блокту кеңейтүү",
+	"EXPAND_ALL": "Блокторду кеңейтүү",
+	"DISABLE_BLOCK": "Блок жараксыз",
+	"ENABLE_BLOCK": "Блок жарактуу",
+	"HELP": "Жардам",
+	"UNDO": "Жокко чыгаруу",
+	"CHANGE_VALUE_TITLE": "маанисин өзгөрт",
+	"RENAME_VARIABLE": "Өзгөрмөнүн атын алмаштыруу",
+	"RENAME_VARIABLE_TITLE": "Баардык '%1' өзгөрмөнүнүн атын алмаштыр",
+	"NEW_VARIABLE": "жаңы өзгөрмө",
+	"NEW_VARIABLE_TITLE": "Жаңы өзгөрмөнүн аты",
+	"COLOUR_PICKER_TOOLTIP": "палитрадан түс танда",
+	"COLOUR_RANDOM_TITLE": "тушкелди түс",
+	"COLOUR_RANDOM_TOOLTIP": "Түстү тушкелди тандоо.",
+	"COLOUR_RGB_TITLE": "түсү менен",
+	"COLOUR_RGB_RED": "кызыл",
+	"COLOUR_RGB_GREEN": "жашыл",
+	"COLOUR_RGB_BLUE": "көк",
+	"COLOUR_RGB_TOOLTIP": "Кызыл, жашыл жана көк түстөрдөн жаңы түс жаса. Ар бир түстүн мааниси 0 менен 100 арасында болуусу керек.",
+	"COLOUR_BLEND_TITLE": "аралаштыруу",
+	"COLOUR_BLEND_COLOUR1": "1-түс",
+	"COLOUR_BLEND_COLOUR2": "2-түс",
+	"COLOUR_BLEND_RATIO": "катышы",
+	"COLOUR_BLEND_TOOLTIP": "Эки түстү берилген катыш (0.0 - 1.0) менен аралаштыр.",
+	"CONTROLS_REPEAT_TITLE": "%1 жолу кайтала",
+	"CONTROLS_REPEAT_INPUT_DO": "жаса",
+	"CONTROLS_REPEAT_TOOLTIP": "Билдирүүнү бир канча жолу кайтала",
+	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "Кайтала эгерде",
+	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "Кайтала чейин",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Маани туура болгон учурда билдирүүлөрдү кайтала",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Маани ката болгон учурда билдирүүлөрдү кайтала",
+	"CONTROLS_FOR_TITLE": "%1 менен %2 ден %3 кө чейин %4 төн эсепте",
+	"CONTROLS_FOREACH_TITLE": "%2 катарынын ар бир элементи %1 үчүн",
+	"CONTROLS_IF_MSG_IF": "эгерде",
+	"CONTROLS_IF_MSG_ELSEIF": "же болбосо",
+	"CONTROLS_IF_MSG_ELSE": "башка",
+	"LOGIC_OPERATION_OR": "же",
+	"LOGIC_NEGATE_TITLE": "%1 эмес",
+	"LOGIC_BOOLEAN_TRUE": "чындык",
+	"LOGIC_BOOLEAN_FALSE": "жаңылыш",
+	"LOGIC_TERNARY_CONDITION": "текшерүү",
+	"LOGIC_TERNARY_IF_TRUE": "туура болсо",
+	"LOGIC_TERNARY_IF_FALSE": "ката болсо",
+	"MATH_TRIG_HELPURL": "https://ky.wikipedia.org/wiki/Тригонометриялык_функциялар",
+	"TEXT_ISEMPTY_TITLE": "%1 бош",
+	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "тизме",
+	"DIALOG_OK": "Макул",
+	"DIALOG_CANCEL": "Жокко чыгаруу"
+}
diff --git a/msg/json/la.json b/msg/json/la.json
new file mode 100644
index 00000000000..e56536214c4
--- /dev/null
+++ b/msg/json/la.json
@@ -0,0 +1,6 @@
+{
+	"@metadata": {
+		"authors": []
+	},
+	"DIALOG_OK": "ASSENTIOR"
+}
diff --git a/msg/json/lb.json b/msg/json/lb.json
index 745d5dafe64..e373761e652 100644
--- a/msg/json/lb.json
+++ b/msg/json/lb.json
@@ -3,7 +3,8 @@
 		"authors": [
 			"Les Meloures",
 			"Robby",
-			"Soued031"
+			"Soued031",
+			"Volvox"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "Element",
@@ -15,6 +16,7 @@
 	"DUPLICATE_COMMENT": "Bemierkung kopéieren",
 	"DELETE_BLOCK": "Block läschen",
 	"DELETE_X_BLOCKS": "%1 Bléck läschen",
+	"DELETE_ALL_BLOCKS": "All %1 Bléck läschen?",
 	"CLEAN_UP": "Bléck opraumen",
 	"COLLAPSE_BLOCK": "Block zesummeklappen",
 	"COLLAPSE_ALL": "Bléck zesummeklappen",
@@ -29,7 +31,15 @@
 	"RENAME_VARIABLE": "Variabel ëmbenennen...",
 	"RENAME_VARIABLE_TITLE": "All '%1' Variabelen ëmbenennen op:",
 	"NEW_VARIABLE": "Variabel uleeën...",
-	"NEW_VARIABLE_TITLE": "Neie variabelen Numm:",
+	"NEW_NUMBER_VARIABLE": "Zuelevariabel uleeën...",
+	"NEW_COLOUR_VARIABLE": "Faarfvariabel uleeën...",
+	"NEW_VARIABLE_TYPE_TITLE": "Neie Variabelentyp:",
+	"NEW_VARIABLE_TITLE": "Neie Variabelennumm:",
+	"VARIABLE_ALREADY_EXISTS": "Et gëtt schonn eng Variabel mam Numm '%1'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Et gëtt schonn eng Variabel mam Numm '%1' fir een aneren Typ: '%2'.",
+	"DELETE_VARIABLE_CONFIRMATION": "%1 Verwendunge vun der Variabel '%2' läschen?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "D'Variabel '%1' kann net geläscht ginn, well se Deel vun der Definitioun vun der Funktioun '%2' ass.",
+	"DELETE_VARIABLE": "D'Variabel '%1' läschen",
 	"COLOUR_PICKER_TOOLTIP": "Sicht eng Faarf an der Palette eraus.",
 	"COLOUR_RANDOM_TITLE": "zoufälleg Faarf",
 	"COLOUR_RANDOM_TOOLTIP": "Eng zoufälleg Faarf eraussichen.",
@@ -51,15 +61,6 @@
 	"CONTROLS_FOREACH_TITLE": "fir all Element %1 an der Lëscht %2",
 	"CONTROLS_IF_MSG_IF": "wann",
 	"CONTROLS_IF_MSG_ELSE": "soss",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Ofbriechen",
-	"IOS_ERROR": "Feeler",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Variabel derbäisetzen",
-	"IOS_VARIABLES_ADD_BUTTON": "Derbäisetzen",
-	"IOS_VARIABLES_RENAME_BUTTON": "Ëmbenennen",
-	"IOS_VARIABLES_DELETE_BUTTON": "Läschen",
-	"IOS_VARIABLES_VARIABLE_NAME": "Numm vun der Variabel",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Dir kënnt keen eidelen Numm fir eng Variabel benotzen.",
 	"LOGIC_OPERATION_AND": "an",
 	"LOGIC_OPERATION_OR": "oder",
 	"LOGIC_NEGATE_TITLE": "net %1",
@@ -67,11 +68,16 @@
 	"LOGIC_BOOLEAN_FALSE": "falsch",
 	"LOGIC_BOOLEAN_TOOLTIP": "Schéckt entweder richteg oder falsch zréck.",
 	"LOGIC_NULL": "null",
-	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "Test",
 	"LOGIC_TERNARY_IF_TRUE": "wa wouer",
 	"LOGIC_TERNARY_IF_FALSE": "wa falsch",
 	"MATH_NUMBER_TOOLTIP": "Eng Zuel.",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Den Total vun den zwou Zuelen zréckginn.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "D'Produkt vun den zwou Zuelen zréckginn.",
 	"MATH_SINGLE_HELPURL": "https://lb.wikipedia.org/wiki/Racine carrée",
@@ -83,6 +89,7 @@
 	"MATH_IS_WHOLE": "ass eng ganz Zuel",
 	"MATH_IS_POSITIVE": "ass positiv",
 	"MATH_IS_NEGATIVE": "ass negativ",
+	"MATH_IS_DIVISIBLE_BY": "ass deelbar duerch",
 	"MATH_CHANGE_TITLE": "änneren %1 ëm %2",
 	"MATH_ROUND_TOOLTIP": "Eng Zuel op- oder ofrënnen.",
 	"MATH_ROUND_OPERATOR_ROUND": "opronnen",
@@ -94,6 +101,7 @@
 	"MATH_ONLIST_OPERATOR_RANDOM": "zoufällegt Element vun enger Lëscht",
 	"MATH_MODULO_TITLE": "Rescht vu(n) %1 ÷ %2",
 	"MATH_RANDOM_INT_TITLE": "zoufälleg ganz Zuel tëscht %1 a(n) %2",
+	"MATH_ATAN2_TITLE": "atan2 vun X:%1 Y:%2",
 	"TEXT_TEXT_TOOLTIP": "E Buschtaf, e Wuert oder eng Textzeil.",
 	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "En Element bei den Text derbäisetzen.",
 	"TEXT_LENGTH_TITLE": "Längt vu(n) %1",
@@ -102,12 +110,13 @@
 	"TEXT_CHARAT_TITLE": "am Text %1 %2",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "am Text",
 	"TEXT_GET_SUBSTRING_END_FROM_START": "bis bei de Buschtaf #",
-	"TEXT_GET_SUBSTRING_END_LAST": "bis bei de leschte Buschtaw",
+	"TEXT_GET_SUBSTRING_END_LAST": "bis bei de leschte Buschtaf",
 	"TEXT_PRINT_TITLE": "%1 drécken",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Frot de Benotzer no engem Text.",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
+	"TEXT_COUNT_MESSAGE0": "ziel %1 an %2",
 	"TEXT_REPLACE_MESSAGE0": "%1 duerch %2 a(n) %3 ersetzen",
 	"TEXT_REPLACE_TOOLTIP": "All Kéiers wou e bestëmmten Text do ass duerch en aneren Text ersetzen.",
+	"TEXT_REVERSE_MESSAGE0": "%1 ëmdréinen",
 	"TEXT_REVERSE_TOOLTIP": "Dréint d'Reiefolleg vun den Zeechen am Text ëm.",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "Lëscht",
 	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "En Element op d'Lëscht derbäisetzen.",
@@ -122,7 +131,7 @@
 	"LISTS_GET_INDEX_RANDOM": "Zoufall",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 ass dat éischt Element.",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 ass dat éischt Element.",
-	"LISTS_GET_INDEX_TOOLTIP_GET_RANDOM": "Schéckt en zoufällegt Element aus enger Lëscht zréck.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_RANDOM": "Gëtt en zoufällegt Element aus enger Lëscht zréck.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST": "Hëlt dat lescht Element aus enger Lëscht eraus.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM": "Hëlt en zoufällegt Element aus enger Lëscht eraus.",
 	"LISTS_SET_INDEX_INSERT": "asetzen op",
@@ -133,13 +142,15 @@
 	"LISTS_SORT_TITLE": "%1 %2 %3 zortéieren",
 	"LISTS_SORT_TYPE_NUMERIC": "numeresch",
 	"LISTS_SORT_TYPE_TEXT": "alphabetesch",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "%1 ëmdréinen",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "eppes maachen",
 	"PROCEDURES_BEFORE_PARAMS": "mat:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "mat:",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Dës Funktioun beschreiwen...",
-	"PROCEDURES_DEFRETURN_RETURN": "zréck",
+	"PROCEDURES_DEFRETURN_RETURN": "zeréck",
 	"PROCEDURES_CREATE_DO": "'%1' uleeën",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Sot eppes..."
+	"PROCEDURES_IFRETURN_WARNING": "Opgepasst: Dëse Block däerf nëmmen bannent enger Funktiounsdefitioun benotzt ginn.",
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Sot eppes...",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Ofbriechen"
 }
diff --git a/msg/json/lki.json b/msg/json/lki.json
index e27c575518d..fdddd11f070 100644
--- a/msg/json/lki.json
+++ b/msg/json/lki.json
@@ -50,7 +50,7 @@
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "تکرار تا وةختێ گإ",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "تا زمانی که یک مقدار صحیح است، چند عبارت را انجام بده.",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "تا زمانی که یک مقدار ناصحیح است، چند عبارت را انجام بده.",
-	"CONTROLS_FOR_TOOLTIP": "متغیر %1 را در مقادیر شروع‌شده از عدد انتهای  به عدد انتهایی را دارد، با فواصل مشخص‌شده می‌شمارد و این بلوک مشخص‌شده را انجام می‌دهد.",
+	"CONTROLS_FOR_TOOLTIP": "متغیر %1 را در مقادیر شروع‌شده از عدد انتهای به عدد انتهایی را دارد، با فواصل مشخص‌شده می‌شمارد و این بلوک مشخص‌شده را انجام می‌دهد.",
 	"CONTROLS_FOR_TITLE": "با تعداد %1 از %2 به %3 با گام‌های %4",
 	"CONTROLS_FOREACH_TITLE": "ئةرا هر مورد %1 وۀ نام لیست%2",
 	"CONTROLS_FOREACH_TOOLTIP": "برای هر مورد در این فهرست، تنظیم متغیر «%1» به مورد و انجام تعدادی عبارت.",
@@ -69,7 +69,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "افزودن، حذف یا بازمرتب‌سازی قسمت‌ها برای پیکربندی دوبارهٔ این بلوک اگر.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "افزودن یک شرط به بلوک اگر.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "اضافه‌کردن نهایی، گرفتن همهٔ شرایط به بلوک اگر.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "بازگشت صحیح اگر هر دو ورودی با یکدیگر برابر باشد.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "برگرداندن صحیح اگر هر دو ورودی با یکدیگر برابر نباشند.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "بازگرداندن صحیح اگر ورودی اول کوچکتر از ورودی دوم باشد.",
@@ -91,15 +90,12 @@
 	"LOGIC_TERNARY_IF_TRUE": "اگر درست",
 	"LOGIC_TERNARY_IF_FALSE": "اگر نادرست",
 	"LOGIC_TERNARY_TOOLTIP": "بررسی وضعیت در «آزمایش». اگر وضعیت صحیح باشد، مقدار «اگر صحیح» را بر می‌گرداند در غیر اینصورت مقدار «اگر ناصحیح» را.",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "شؤمارە یەک",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "بازگرداندن مقدار جمع دو عدد.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "بازگرداندن تفاوت دو عدد.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "بازگرداندن حاصلضرب دو عدد.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "بازگرداندن باقی‌ماندهٔ دو عدد.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "بازگرداندن اولین عددی که از توان عدد دوم حاصل شده باشد.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "ریشهٔ دوم",
 	"MATH_SINGLE_TOOLTIP_ROOT": "ریشهٔ دوم یک عدد را باز می‌گرداند.",
 	"MATH_SINGLE_OP_ABSOLUTE": "مطلق",
@@ -109,14 +105,12 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "بازگرداندن لگاریتم بر پایهٔ ۱۰ یک عدد.",
 	"MATH_SINGLE_TOOLTIP_EXP": "بازگرداندن توان e یک عدد.",
 	"MATH_SINGLE_TOOLTIP_POW10": "بازگرداندن توان ۱۰ یک عدد.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "بازگرداندن سینوس درجه (نه رادیان).",
 	"MATH_TRIG_TOOLTIP_COS": "بازگرداندن کسینوس درجه (نه رادیان).",
 	"MATH_TRIG_TOOLTIP_TAN": "بازگرداندن تانژانت یک درجه (نه رادیان).",
 	"MATH_TRIG_TOOLTIP_ASIN": ".(بازگرداندن آرک‌سینوس درجه (نه رادیان",
 	"MATH_TRIG_TOOLTIP_ACOS": "بازگرداندن آرک‌کسینوس درجه (نه رادیان).",
 	"MATH_TRIG_TOOLTIP_ATAN": "بازگرداندن آرک‌تانژانت درجه (نه رادیان).",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "یکی از مقادیر مشترک را برمی‌گرداند: π (۳٫۱۴۱…)، e (۲٫۷۱۸...)، φ (۱٫۶۱۸)، sqrt(۲) (۱٫۴۱۴)، sqrt(۱/۲) (۰٫۷۰۷...) و یا ∞ (بی‌نهایت).",
 	"MATH_IS_EVEN": "زوج است",
 	"MATH_IS_ODD": "فرد است",
@@ -126,10 +120,8 @@
 	"MATH_IS_NEGATIVE": "منفی است",
 	"MATH_IS_DIVISIBLE_BY": "تقسیم شده بر",
 	"MATH_IS_TOOLTIP": "بررسی می‌کند که آیا یک عدد زوج، فرد، اول، کامل، مثبت، منفی یا بخش‌پذیر عدد خاصی باشد را بررسی می‌کند. درست یا نادرست باز می‌گرداند.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "تغییر %1 با %2",
 	"MATH_CHANGE_TOOLTIP": "افزودن یک عدد به متغیر '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "گردکردن یک عدد به بالا یا پایین.",
 	"MATH_ROUND_OPERATOR_ROUND": "گردکردن",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "گرد به بالا",
@@ -150,18 +142,14 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "انحراف معیار فهرست را بر می‌گرداند.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "مورد تصادفی از فهرست",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "موردی تصادفی از فهرست را بر می‌گرداند.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "باقی‌ماندهٔ %1 + %2",
 	"MATH_MODULO_TOOLTIP": "باقی‌ماندهٔ تقسیم دو عدد را بر می‌گرداند.",
 	"MATH_CONSTRAIN_TITLE": "محدودکردن %1 پایین %2 بالا %3",
 	"MATH_CONSTRAIN_TOOLTIP": "محدودکردن یک عدد بین محدودیت‌های مشخص‌شده (بسته).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "عدد صحیح تصادفی بین %1 تا %2",
 	"MATH_RANDOM_INT_TOOLTIP": "یک عدد تصادفی بین دو مقدار مشخص‌شده به صورت بسته باز می‌گرداند.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "کسر تصادفی",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "بازگرداندن کسری تصادفی بین ۰٫۰ (بسته) تا ۱٫۰ (باز).",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "یک حرف، کلمه یا خطی از متن.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "ایجاد متن با",
 	"TEXT_JOIN_TOOLTIP": "یک تکه‌ای از متن را با چسپاندن همهٔ تعداد از موارد ایجاد می‌کند.",
@@ -197,9 +185,9 @@
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "به حروف کوچک",
 	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "به حروف بزرگ عنوان",
 	"TEXT_TRIM_TOOLTIP": "کپی از متن با فاصله‌های حذف‌شده از یک یا هر دو پایان باز می‌گرداند.",
-	"TEXT_TRIM_OPERATOR_BOTH": "تراشیدن فاصله‌ها از  هر دو طرف",
-	"TEXT_TRIM_OPERATOR_LEFT": "تراشیدن فاصله‌ها از  طرف چپ",
-	"TEXT_TRIM_OPERATOR_RIGHT": "تراشیدن فاصله‌ها از  طرف چپ",
+	"TEXT_TRIM_OPERATOR_BOTH": "تراشیدن فاصله‌ها از هر دو طرف",
+	"TEXT_TRIM_OPERATOR_LEFT": "تراشیدن فاصله‌ها از طرف چپ",
+	"TEXT_TRIM_OPERATOR_RIGHT": "تراشیدن فاصله‌ها از طرف چپ",
 	"TEXT_PRINT_TITLE": "چاپ %1",
 	"TEXT_PRINT_TOOLTIP": "چاپ متن، عدد یا هر مقدار دیگر مشخص‌شده.",
 	"TEXT_PROMPT_TYPE_TEXT": "اعلان برای متن با پیام",
@@ -279,9 +267,7 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "تابعی با یک خروجی می‌سازد.",
 	"PROCEDURES_ALLOW_STATEMENTS": "اجازه اظهارات",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "اخطار: این تابعی پارامتر تکراری دارد.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "اجرای تابع تعریف‌شده توسط کاربر «%1».",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "اجرای تابع تعریف‌شده توسط کاربر «%1» و استفاده از خروجی آن.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "ورودی‌ها",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "افزودن، حذف یا دوباره مرتب‌کردن ورودی این تابع.",
@@ -290,5 +276,7 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "برجسته‌سازی تعریف تابع",
 	"PROCEDURES_CREATE_DO": "ساختن «%1»",
 	"PROCEDURES_IFRETURN_TOOLTIP": "اگر یک مقدار صحیح است، مقدار دوم را برگردان.",
-	"PROCEDURES_IFRETURN_WARNING": "اخطار: این بلوک احتمالاً فقط داخل یک تابع استفاده می‌شود."
+	"PROCEDURES_IFRETURN_WARNING": "اخطار: این بلوک احتمالاً فقط داخل یک تابع استفاده می‌شود.",
+	"DIALOG_OK": "تأیید",
+	"DIALOG_CANCEL": "ئآهووسانن/لغو"
 }
diff --git a/msg/json/lo.json b/msg/json/lo.json
index ec7aabb9f9e..20b28fbd10d 100644
--- a/msg/json/lo.json
+++ b/msg/json/lo.json
@@ -42,7 +42,6 @@
 	"COLOUR_BLEND_COLOUR2": "ສີ 2",
 	"COLOUR_BLEND_RATIO": "ອັດຕາສ່ວນ",
 	"COLOUR_BLEND_TOOLTIP": "ປະສົມສອງສີເຂົ້າກັນດ້ວຍອັດຕາສ່ວນ (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "ເຮັດຄືນ %1 ຄັ້ງ",
 	"CONTROLS_REPEAT_INPUT_DO": "ເຮັດ",
 	"CONTROLS_REPEAT_TOOLTIP": "ເຮັດຄຳສັ່ງບາງຄຳສັ່ງຄືນຫຼາຍໆຄັ້ງ.",
@@ -66,7 +65,7 @@
 	"CONTROLS_IF_IF_TOOLTIP": "ເພີ່ມ, ລຶບ, ຫຼື ຈັດລຽງບລັອກ \"ຖ້າ\" ນີ້ໃໝ່.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "ເພີ່ມເງື່ອນໄຂລົງໃນບລັອກ \"ຖ້າ\".",
 	"CONTROLS_IF_ELSE_TOOLTIP": "ເພີ່ມສິ່ງສຸດທ້າຍ, ກວດຫາຄວາມເປັນໄປໄດ້ທັງໝົດຂອງບລັອກ \"ຖ້າ\".",
-	"LOGIC_COMPARE_HELPURL": "https://​​lo.wikipedia.org/wiki/ອະສົມຜົນ",
+	"LOGIC_COMPARE_HELPURL": "https://lo.wikipedia.org/wiki/ອະສົມຜົນ",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "ຄືນຄ່າຈິງຖ້າຄ່າທີ່ີໃສ່ທັງສອງຄ່ານັ້ນເທົ່າກັນ.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "ຄືນຄ່າຈິງຖ້າຄ່າທີ່ີໃສ່ທັງສອງຄ່ານັ້ນບໍ່ເທົ່າກັນ.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "ຄືນຄ່າເປັນຈິງຖ້າຄ່າທຳອິດນ້ອຍກວ່າຄ່າທີ່ສອງ.",
diff --git a/msg/json/lrc.json b/msg/json/lrc.json
index ff4f0be7561..c92ee97242a 100644
--- a/msg/json/lrc.json
+++ b/msg/json/lrc.json
@@ -30,7 +30,6 @@
 	"NEW_VARIABLE": "آلشتگر تازٱ...",
 	"NEW_VARIABLE_TYPE_TITLE": "نوع آلشتگر تازٱ",
 	"NEW_VARIABLE_TITLE": "نوم آلشتگر تازٱ:",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "یاٛ رٱنڳ د رٱنڳدو اْنتخاو بٱکؽت",
 	"COLOUR_RANDOM_TITLE": "رٱنڳ بٱختٱکی",
 	"COLOUR_RANDOM_TOOLTIP": "یاٛ ٱنڳ بٱختٱکی اْنتخاو بٱکؽت",
@@ -43,7 +42,6 @@
 	"COLOUR_BLEND_COLOUR2": "رٱنڳ 2",
 	"COLOUR_BLEND_RATIO": "نسڤٱت",
 	"COLOUR_BLEND_TOOLTIP": "هٱر کوم د رٱنڳؽا ناْ ڤا نسڤٱت داٛئٱ بٱ بٱشؽڤن(0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "%1 تکرار کو چٱن بار",
 	"CONTROLS_REPEAT_INPUT_DO": "ٱنجوم باٛ",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "تا تکرار کو",
@@ -65,15 +63,10 @@
 	"LOGIC_TERNARY_CONDITION": "آزماشت کردن",
 	"LOGIC_TERNARY_IF_TRUE": "ٱر دۏرس بی",
 	"LOGIC_TERNARY_IF_FALSE": "ٱر غلٱت بی",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "یاٛ شمارٱ.",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "ڤاْ ٱندازٱ دۏ شمارٱ ڤرگٱردن.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "چارسوک ریشٱ",
 	"MATH_SINGLE_OP_ABSOLUTE": "تموم ۉ کمال",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_IS_EVEN": "همیشٱ هؽسش",
 	"MATH_IS_ODD": "تٱنڳؽا ٱ",
 	"MATH_IS_PRIME": "ڤٱ ٱڤلٱ",
@@ -81,9 +74,7 @@
 	"MATH_IS_POSITIVE": "موسبٱتٱ",
 	"MATH_IS_NEGATIVE": "مٱنفی ٱ",
 	"MATH_IS_DIVISIBLE_BY": "یٱ ڤا بٱئر بیٱ",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "آلشت بٱکؽت %1 وا %2",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_OPERATOR_ROUND": "گرد کردن",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "ڤ رۉ گرد کردن",
 	"MATH_ROUND_OPERATOR_ROUNDDOWN": "ڤ هار گرد کردن",
@@ -93,10 +84,6 @@
 	"MATH_ONLIST_OPERATOR_AVERAGE": "مؽنجاگٱ نومگٱ",
 	"MATH_ONLIST_OPERATOR_MEDIAN": "مؽنجا نومگٱ",
 	"MATH_ONLIST_OPERATOR_MODE": "بؽشری د نومگٱ",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_JOIN_TITLE_CREATEWITH": "دۏرس کردن مٱتن ڤا",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "پاٛڤٱسن",
 	"TEXT_ISEMPTY_TITLE": "%1 هالٛیٱ",
@@ -128,9 +115,9 @@
 	"PROCEDURES_BEFORE_PARAMS": "ڤا:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "ڤا:",
 	"PROCEDURES_DEFRETURN_RETURN": "ڤرگٱردنیئن",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "دادٱیا",
 	"PROCEDURES_MUTATORARG_TITLE": "نوم دادٱ:",
-	"PROCEDURES_CREATE_DO": "دۏرس کردن%1"
+	"PROCEDURES_CREATE_DO": "دۏرس کردن%1",
+	"DIALOG_OK": "خۊئٱ",
+	"DIALOG_CANCEL": "رٱد كردن"
 }
diff --git a/msg/json/lt.json b/msg/json/lt.json
index c4775277750..6664cadb933 100644
--- a/msg/json/lt.json
+++ b/msg/json/lt.json
@@ -3,11 +3,13 @@
 		"authors": [
 			"Eitvys200",
 			"Jurgis",
+			"Nokeoo",
 			"Nuodas",
 			"Zygimantus"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "elementas",
+	"UNNAMED_KEY": "bevardis",
 	"TODAY": "Šiandien",
 	"DUPLICATE_BLOCK": "Kopijuoti",
 	"ADD_COMMENT": "Palikti komentarą",
@@ -55,7 +57,6 @@
 	"COLOUR_BLEND_COLOUR2": "2 spalva",
 	"COLOUR_BLEND_RATIO": "santykis",
 	"COLOUR_BLEND_TOOLTIP": "Sumaišo dvi spalvas su pateiktu santykiu (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "pakartokite %1 kartus",
 	"CONTROLS_REPEAT_INPUT_DO": "daryti",
 	"CONTROLS_REPEAT_TOOLTIP": "Leidžia atlikti išvardintus veiksmus kelis kartus.",
@@ -79,22 +80,9 @@
 	"CONTROLS_IF_MSG_IF": "jei",
 	"CONTROLS_IF_MSG_ELSEIF": "arba jei",
 	"CONTROLS_IF_MSG_ELSE": "kitu atveju",
-	"CONTROLS_IF_IF_TOOLTIP": "Galite pridėt/pašalinti/pertvarkyti  sąlygų \"šakas\".",
+	"CONTROLS_IF_IF_TOOLTIP": "Galite pridėt/pašalinti/pertvarkyti sąlygų \"šakas\".",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Pridėti sąlygą „jei“ blokui.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Pridėti veiksmų vykdymo variantą/\"šaką\", kai netenkinama nė viena sąlyga.",
-	"IOS_OK": "Gerai",
-	"IOS_CANCEL": "Atšaukti",
-	"IOS_ERROR": "Klaida",
-	"IOS_PROCEDURES_INPUTS": "ĮVESTYS",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Pridėti Įvestį",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Ši funkcija turi pasikartojančias įvestis",
-	"IOS_VARIABLES_ADD_VARIABLE": "+Pridėti Kintamąjį",
-	"IOS_VARIABLES_ADD_BUTTON": "Pridėti",
-	"IOS_VARIABLES_RENAME_BUTTON": "Pervadinti",
-	"IOS_VARIABLES_DELETE_BUTTON": "Ištrinti",
-	"IOS_VARIABLES_VARIABLE_NAME": "Kintamojo pavadinimas",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Negalite naudoti tuščio kintamojo pavadinimo.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Tenkinama, jei abu reiškiniai lygūs.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Grįžti tiesa, jeigu abi įvestys ne lygios tarpusavyje.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Grįžti tiesa, jei pirma įvestis mažesnė nei antra įvestis.",
@@ -118,13 +106,14 @@
 	"LOGIC_TERNARY_TOOLTIP": "Jeigu sąlygą tenkinama, grąžina pirmą reikšmę, o jei ne - antrąją.",
 	"MATH_NUMBER_HELPURL": "https://lt.wikipedia.org/wiki/Skaičius",
 	"MATH_NUMBER_TOOLTIP": "Skaičius.",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Grąžina dviejų skaičių sumą.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Grąžina dviejų skaičių skirtumą.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Grąžina dviejų skaičių sandaugą.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Grąžina dviejų skaičių dalmenį.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Grąžina pirmą skaičių pakeltą laipsniu pagal antrą skaičių.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "kvadratinė šaknis",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Grįžti kvadratinę šaknį iš skaičiaus.",
 	"MATH_SINGLE_OP_ABSOLUTE": "modulis",
@@ -141,7 +130,6 @@
 	"MATH_TRIG_TOOLTIP_ASIN": "Grąžinti skaičiaus arksinusą.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Grąžinti skaičiaus arkkosinusą.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Grąžinti skaičiaus arktangentą.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Grįžti viena iš pagrindinių konstantų: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (begalybė).",
 	"MATH_IS_EVEN": "yra lyginis",
 	"MATH_IS_ODD": "yra nelyginis",
@@ -151,7 +139,6 @@
 	"MATH_IS_NEGATIVE": "yra neigiamas",
 	"MATH_IS_DIVISIBLE_BY": "yra dalus iš",
 	"MATH_IS_TOOLTIP": "Patikrina skaičiaus savybę: (ne)lyginis/pirminis/sveikasis/teigiamas/neigiamas/dalus iš x.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "padidink %1 (emptypage) %2",
 	"MATH_CHANGE_TOOLTIP": "Prideda skaičių prie kintamojo '%1'. Kai skaičius neigiamas - gaunasi atimtis.",
 	"MATH_ROUND_HELPURL": "https://lt.wikipedia.org/wiki/Apvalinimas",
@@ -175,18 +162,14 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Grįžti standartine pakraipa iš sąrašo.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "atsitiktinis elementas iš sąrašo",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Grąžinti atsitiktinį elementą iš sąrašo.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "dalybos liekana %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Grįžti likučiu nuo dviejų skaičių dalybos.",
 	"MATH_CONSTRAIN_TITLE": "apribok %1 tarp %2 ir %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Apriboti skaičių, kad būtų tarp nustatytų ribų (imtinai).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "atsitiktinis sveikas sk. nuo %1 iki %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Grįžti atsitiktinį sveikąjį skaičių tarp dviejų nustatytų ribų, imtinai.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "atsitiktinė trupmena",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Atsitiktinė trupmena nuo 0 (imtinai) iki 1 (neimtinai).",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Tekstas (arba žodis, ar raidė)",
 	"TEXT_JOIN_TITLE_CREATEWITH": "sukurti tekstą su",
 	"TEXT_JOIN_TOOLTIP": "Sukurti teksto fragmentą sujungiant bet kokį skaičių fragmentų.",
@@ -203,6 +186,7 @@
 	"TEXT_INDEXOF_TITLE": "tekste %1 %2 %3",
 	"TEXT_INDEXOF_OPERATOR_FIRST": "rask,kur pirmą kartą paminėta",
 	"TEXT_INDEXOF_OPERATOR_LAST": "rask,kur paskutinį kartą paminėta",
+	"TEXT_CHARAT_TITLE": "tekste %1 %2",
 	"TEXT_CHARAT_FROM_START": "gauti raidę #",
 	"TEXT_CHARAT_FROM_END": "raidė nuo galo #",
 	"TEXT_CHARAT_FIRST": "gauti pirmą raidę",
@@ -218,9 +202,9 @@
 	"TEXT_GET_SUBSTRING_END_FROM_END": "iki raidės nuo galo #",
 	"TEXT_GET_SUBSTRING_END_LAST": "iki pabaigos",
 	"TEXT_CHANGECASE_TOOLTIP": "Kitu atvėju, grąžina teksto kopiją.",
-	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": " DIDŽIOSIOM RAIDĖM",
-	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": " mažosiom raidėm",
-	"TEXT_CHANGECASE_OPERATOR_TITLECASE": " Pavadinimo Raidėmis",
+	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "DIDŽIOSIOM RAIDĖM",
+	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "mažosiom raidėm",
+	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "Pavadinimo Raidėmis",
 	"TEXT_TRIM_TOOLTIP": "Grąžina teksto kopiją, pašalinus tarpus iš vieno ar abiejų kraštų.",
 	"TEXT_TRIM_OPERATOR_BOTH": "išvalyk tarpus šonuose",
 	"TEXT_TRIM_OPERATOR_LEFT": "išvalyk tarpus pradžioje",
@@ -232,13 +216,10 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Prašyti vartotoją įvesti skaičių.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Prašyti vartotoją įvesti tekstą.",
 	"TEXT_COUNT_MESSAGE0": "skaičius %1 iš %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Suskaičiuoti, kiek kartų šis tekstas kartojasi kitame tekste.",
 	"TEXT_REPLACE_MESSAGE0": "pakeisti %1 į %2 šiame %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "Pašalinti visas teksto dalis kitame tekste.",
 	"TEXT_REVERSE_MESSAGE0": "atbulai %1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REVERSE_TOOLTIP": "Apversti teksto simbolių tvarką.",
 	"LISTS_CREATE_EMPTY_TITLE": "tuščias sąrašas",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Grąžina sąrašą, ilgio 0, neturintį duomenų",
@@ -259,6 +240,7 @@
 	"LISTS_GET_INDEX_GET": "paimk",
 	"LISTS_GET_INDEX_GET_REMOVE": "paimk ir ištrink",
 	"LISTS_GET_INDEX_REMOVE": "pašalinti",
+	"LISTS_GET_INDEX_FROM_START": "#",
 	"LISTS_GET_INDEX_FROM_END": "# nuo galo",
 	"LISTS_GET_INDEX_FIRST": "pirmas",
 	"LISTS_GET_INDEX_LAST": "paskutinis",
@@ -269,6 +251,10 @@
 	"LISTS_GET_INDEX_TOOLTIP_GET_FIRST": "Grąžina pirmąjį sąrašo elementą.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_LAST": "Grąžina paskutinį elementą iš sąrašo.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_RANDOM": "Grąžina atsitiktinį elementą iš sąrašo.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM": "Pašalina ir grąžina objektą nurodytoje sąrašo pozicijoje.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST": "Pašalina ir grąžina pirmąjį sąrašo objektą.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST": "Pašalina ir grąžina paskutinį sąrašo objektą.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM": "Pašalina ir grąžina atsitiktinį sąrašo objektą.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM": "Pašalina objektą iš nurodytos vietos sąraše.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST": "Pašalina pirmą objektą sąraše.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST": "Pašalina paskutinį objektą sąraše.",
@@ -276,8 +262,13 @@
 	"LISTS_SET_INDEX_SET": "priskirk elementui",
 	"LISTS_SET_INDEX_INSERT": "įterpk į vietą",
 	"LISTS_SET_INDEX_INPUT_TO": "kaip",
+	"LISTS_SET_INDEX_TOOLTIP_SET_FROM": "Nustato objektą nurodytoje sąrašo vietoje.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_FIRST": "Nustato pirmąjį sąrašo objektą.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_LAST": "Nustato paskutinį sąrašo objektą.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_RANDOM": "Sąraše nustato atsitiktinį objektą.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FROM": "Įterpią objektą į nurodytą poziciją sąraše.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "Įterpia objektą į sąrašo pradžią.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Pridėkite objektą prie sąrašo pabaigos.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "Įterpia objektą į atsitiktinę sąrašo vietą.",
 	"LISTS_GET_SUBLIST_START_FROM_START": "sąrašo dalis nuo #",
 	"LISTS_GET_SUBLIST_START_FROM_END": "sąrašo dalis nuo # nuo galo",
@@ -286,7 +277,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "iki # nuo galo",
 	"LISTS_GET_SUBLIST_END_LAST": "iki galo",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Sukuria nurodytos sąrašo dalies kopiją.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "rūšiuoti %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Rūšiuoti sąrašo kopiją.",
 	"LISTS_SORT_ORDER_ASCENDING": "didėjančia tvarka",
@@ -294,9 +284,15 @@
 	"LISTS_SORT_TYPE_NUMERIC": "skaitmeninis",
 	"LISTS_SORT_TYPE_TEXT": "abėcėlės",
 	"LISTS_SORT_TYPE_IGNORECASE": "abecėlės, ignoruoti raidžių dydį",
+	"LISTS_SPLIT_LIST_FROM_TEXT": "sudaryti sąrašą iš teksto",
+	"LISTS_SPLIT_TEXT_FROM_LIST": "sukurti tekstą iš sąrašo",
 	"LISTS_SPLIT_WITH_DELIMITER": "su dalikliu",
+	"LISTS_REVERSE_MESSAGE0": "atvirkštinis %1",
+	"LISTS_REVERSE_TOOLTIP": "Apverskite sąrašo kopiją.",
+	"VARIABLES_GET_TOOLTIP": "Grąžina šio kintamojo reikšmę.",
 	"VARIABLES_GET_CREATE_SET": "Sukurk \"priskirk %1\"",
 	"VARIABLES_SET": "priskirk %1 = %2",
+	"VARIABLES_SET_TOOLTIP": "Nustato, kad šis kintamasis būtų lygus įvesties vertei.",
 	"VARIABLES_SET_CREATE_GET": "Sukurti 'kintamasis %1'",
 	"PROCEDURES_DEFNORETURN_TITLE": "komanda:",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "daryk kažką",
@@ -308,9 +304,7 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Sukuria funkciją - komandą, kuri ne tik atlieka veiksmus bet ir pateikia (grąžina/duoda) rezultatą.",
 	"PROCEDURES_ALLOW_STATEMENTS": "leisti vidinius veiksmus",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Ši komanda turi du vienodus gaunamų duomenų pavadinimus.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Vykdyti sukurtą komandą \"%1\".",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Įvykdyti komandą \"%1\" ir naudoti jos suskaičiuotą (atiduotą) reikšmę.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "gaunami duomenys (parametrai)",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Tvarkyti komandos gaunamus duomenis (parametrus).",
@@ -319,5 +313,9 @@
 	"PROCEDURES_CREATE_DO": "Sukurti \"%1\"",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Jeigu pirma reikšmė yra teisinga (sąlyga tenkinama), grąžina antrą reikšmę.",
 	"PROCEDURES_IFRETURN_WARNING": "Perspėjimas: šis blokas gali būti naudojamas tik aprašant funkciją.",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Kažką pasakykite..."
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Kažką pasakykite...",
+	"WORKSPACE_ARIA_LABEL": "Blockly darbalaukis",
+	"COLLAPSED_WARNINGS_WARNING": "Suskleistuose blokuose yra įspėjimų.",
+	"DIALOG_OK": "Gerai",
+	"DIALOG_CANCEL": "Atšaukti"
 }
diff --git a/msg/json/lv.json b/msg/json/lv.json
index c206623aa27..a0e90dc1d0b 100644
--- a/msg/json/lv.json
+++ b/msg/json/lv.json
@@ -4,6 +4,7 @@
 			"Elomage",
 			"Janis",
 			"Papuass",
+			"Peridot Nation",
 			"RFenichel",
 			"Silraks"
 		]
@@ -14,6 +15,7 @@
 	"DUPLICATE_BLOCK": "Dublēt",
 	"ADD_COMMENT": "Pievienot komentāru",
 	"REMOVE_COMMENT": "Noņemt komentāru",
+	"DUPLICATE_COMMENT": "Izveidot komentāra duplikātu",
 	"EXTERNAL_INPUTS": "Ārējie ievaddati",
 	"INLINE_INPUTS": "Iekšējie ievaddati",
 	"DELETE_BLOCK": "Izmest bloku",
@@ -33,9 +35,15 @@
 	"RENAME_VARIABLE": "Pārdēvēt mainīgo...",
 	"RENAME_VARIABLE_TITLE": "Pārdēvējiet visus '%1' mainīgos:",
 	"NEW_VARIABLE": "Izveidot mainīgo...",
+	"NEW_STRING_VARIABLE": "Izveidot virknes mainīgo...",
+	"NEW_NUMBER_VARIABLE": "Izveidot skaitļa mainīgo...",
+	"NEW_COLOUR_VARIABLE": "Izveidot krāsas mainīgo...",
+	"NEW_VARIABLE_TYPE_TITLE": "Jauns mainīgā tips:",
 	"NEW_VARIABLE_TITLE": "Jaunā mainīgā vārds:",
 	"VARIABLE_ALREADY_EXISTS": "Mainīgais '%1' jau eksistē.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Mainīgais ar nosaukumu '%1' jau pastāv citam tipam: '%2'",
 	"DELETE_VARIABLE_CONFIRMATION": "Mainīgais \"%2\" tiek izmantots %1 vietās. Dzēst?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Nevar izdzēst mainīgo '%1', jo tā ir daļa no funkcijas '%2' definīcijas.",
 	"DELETE_VARIABLE": "Izdzēst mainīgo \"%1\"",
 	"COLOUR_PICKER_HELPURL": "https://lv.wikipedia.org/wiki/Krāsa",
 	"COLOUR_PICKER_TOOLTIP": "Izvēlēties krāsu no paletes.",
@@ -78,15 +86,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Pievienot, noņemt vai mainīt sekciju secību šim \"ja\" blokam.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Pievienot nosacījumu \"ja\" blokam.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Pievienot gala nosacījumu \"ja\" blokam.",
-	"IOS_OK": "Labi",
-	"IOS_CANCEL": "Atcelt",
-	"IOS_ERROR": "Kļūda",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Pievienot mainīgo",
-	"IOS_VARIABLES_ADD_BUTTON": "Pievienot",
-	"IOS_VARIABLES_RENAME_BUTTON": "Pārsaukt",
-	"IOS_VARIABLES_DELETE_BUTTON": "Dzēst",
-	"IOS_VARIABLES_VARIABLE_NAME": "Mainīgā nosaukums",
-	"LOGIC_COMPARE_HELPURL": "https://lv.wikipedia.org/wiki/Nevien%C4%81d%C4%ABba",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Patiess, ja abas puses ir vienādas.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Patiess, ja abas puses nav vienādas.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Patiess, ja kreisā puse ir mazāka par labo pusi.",
@@ -110,13 +109,11 @@
 	"LOGIC_TERNARY_TOOLTIP": "Pārbaudīt nosacījumu. Ja 'nosacījums' ir patiess, atgriež vērtību 'ja patiess', pretējā gadījumā vērtību 'ja aplams'.",
 	"MATH_NUMBER_HELPURL": "https://lv.wikipedia.org/wiki/Skaitlis",
 	"MATH_NUMBER_TOOLTIP": "Skaitlis.",
-	"MATH_ARITHMETIC_HELPURL": "https://lv.wikipedia.org/wiki/Aritm%C4%93tika",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Atgriež divu skaitļu summu.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Atgriež divu skaitļu starpību.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Atgriež divu skaitļu reizinājumu.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Atgriež divu skaitļu dalījumu.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Atgriež pirmo skaitli kāpinātu pakāpē otrais skaitlis.",
-	"MATH_SINGLE_HELPURL": "https://lv.wikipedia.org/wiki/Kvadr%C4%81tsakne",
 	"MATH_SINGLE_OP_ROOT": "kvadrātsakne",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Atgriež skaitļa kvadrātsakni.",
 	"MATH_SINGLE_OP_ABSOLUTE": "absolūtā vērtība",
@@ -126,14 +123,12 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Atgriež skaitļa logaritmu pie bāzes 10.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Atgriež e pakāpē dotais skaitlis.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Atgriež 10 pakāpē dotais skaitlis.",
-	"MATH_TRIG_HELPURL": "https://lv.wikipedia.org/wiki/Trigonometrisk%C4%81s_funkcijas",
 	"MATH_TRIG_TOOLTIP_SIN": "Sinuss no grādiem (nevis radiāniem).",
 	"MATH_TRIG_TOOLTIP_COS": "Kosinuss no grādiem (nevis radiāniem).",
 	"MATH_TRIG_TOOLTIP_TAN": "Tangenss no grādiem (nevis radiāniem).",
 	"MATH_TRIG_TOOLTIP_ASIN": "Arksinuss (grādos).",
 	"MATH_TRIG_TOOLTIP_ACOS": "Arkkosinuss (grādos).",
 	"MATH_TRIG_TOOLTIP_ATAN": "Arktangenss (grādos).",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Atgriež kādu no matemātikas konstantēm: π (3.141…), e (2.718…), φ (1.618…), √(2) (1.414…), √(½) (0.707…), ∞ (bezgalība).",
 	"MATH_IS_EVEN": "ir pāra",
 	"MATH_IS_ODD": "ir nepāra",
@@ -143,10 +138,8 @@
 	"MATH_IS_NEGATIVE": "ir negatīvs",
 	"MATH_IS_DIVISIBLE_BY": "dalās bez atlikuma ar",
 	"MATH_IS_TOOLTIP": "Pārbauda, vai skaitlis ir pāra, nepāra, vesels, pozitīvs, negatīvs vai dalās ar noteiktu skaitli. Atgriež \"patiess\" vai \"aplams\".",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "izmainīt %1 par %2",
 	"MATH_CHANGE_TOOLTIP": "Pieskaitīt doto skaitli mainīgajam '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Noapaļot skaitli uz augšu vai uz leju.",
 	"MATH_ROUND_OPERATOR_ROUND": "noapaļot",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "apaļot uz augšu",
@@ -167,18 +160,16 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Atgriež dotā saraksta standartnovirzi.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "nejaušs",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Atgriež nejauši izvēlētu vērtību no dotā saraksta.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "atlikums no %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Atlikums no divu skaitļu dalījuma.",
 	"MATH_CONSTRAIN_TITLE": "ierobežot %1 no %2 līdz %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Ierobežo skaitli no noteiktajās robežās (ieskaitot galapunktus).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "nejaušs vesels skaitlis no %1 līdz %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Atgriež nejaušu veselu skaitli dotajās robežās (iekļaujot galapunktus)",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "nejaušs skaitlis [0..1)",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Atgriež nejaušu reālo skaitli robežās no 0 (iekļaujot) līdz 1 (neiekļaujot).",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
+	"MATH_ATAN2_TITLE": "ATAN2 no X:%1 Y:%2",
+	"MATH_ATAN2_TOOLTIP": "Atgriezt arktangensu punktam (X, Y) grādos no -180 līdz 180.",
 	"TEXT_TEXT_TOOLTIP": "Burts, vārds vai jebkāda teksta rinda.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "veidot tekstu no",
 	"TEXT_JOIN_TOOLTIP": "Izveidot tekstu savienojot dotos argumentus.",
@@ -195,6 +186,7 @@
 	"TEXT_INDEXOF_TITLE": "tekstā %1 %2 %3",
 	"TEXT_INDEXOF_OPERATOR_FIRST": "meklēt pirmo vietu, kur sākas teksts",
 	"TEXT_INDEXOF_OPERATOR_LAST": "meklēt pēdējo vietu, kur sākas teksts",
+	"TEXT_CHARAT_TITLE": "tekstā %1 %2",
 	"TEXT_CHARAT_FROM_START": "paņemt burtu #",
 	"TEXT_CHARAT_FROM_END": "paņemt no beigām burtu #",
 	"TEXT_CHARAT_FIRST": "paņemt pirmo burtu",
@@ -223,6 +215,12 @@
 	"TEXT_PROMPT_TYPE_NUMBER": "palūgt ievadīt skaitli ar ziņu",
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Palūgt lietotāju ievadīt skaitli.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Palūgt lietotāju ievadīt tekstu.",
+	"TEXT_COUNT_MESSAGE0": "skaitīt %1 iekš %2",
+	"TEXT_COUNT_TOOLTIP": "Saskaitīt, cik reizes kāds teksts atrodas iekš kāda cita teksta.",
+	"TEXT_REPLACE_MESSAGE0": "apmainīt %1 ar %2 iekš %3",
+	"TEXT_REPLACE_TOOLTIP": "Apmainīt kāda teksta fragmentus citā tekstā.",
+	"TEXT_REVERSE_MESSAGE0": "apgriezt otrādi %1",
+	"TEXT_REVERSE_TOOLTIP": "Apgriež otrādi teksta rakstzīmju kārtu.",
 	"LISTS_CREATE_EMPTY_TITLE": "izveidot tukšu sarakstu",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Izveidot sarakstu bez elementiem tajā.",
 	"LISTS_CREATE_WITH_TOOLTIP": "Izveidot sarakstu no jebkura skaita vienību.",
@@ -291,6 +289,8 @@
 	"LISTS_SPLIT_WITH_DELIMITER": "ar atdalītāju",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Sadalīt tekstu vārdos izmantojot atdalītāju.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Apvienot tekstu izmantojot atdalītāju.",
+	"LISTS_REVERSE_MESSAGE0": "apgriezt otrādi %1",
+	"LISTS_REVERSE_TOOLTIP": "Apgriezt otrādi saraksta kopiju",
 	"VARIABLES_GET_TOOLTIP": "Atgriež mainīgā vērtību.",
 	"VARIABLES_GET_CREATE_SET": "Izveidot piešķiršanu mainīgajam %1",
 	"VARIABLES_SET": "piešķirt mainīgajam %1 vērtību %2",
@@ -306,9 +306,7 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Izveido funkciju, kas atgriež rezultātu.",
 	"PROCEDURES_ALLOW_STATEMENTS": "atļaut apakškomandas",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Brīdinājums: funkcijai ir vienādi argumenti.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Izpildīt iepriekš definētu funkcju '%1'.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Izpildīt iepriekš definētu funkcju '%1' un izmantot tās rezultātu.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "argumenti",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Pievienot, pārkārtot vai dzēst funkcijas argumentus.",
@@ -317,5 +315,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Izcelt funkcijas definīciju",
 	"PROCEDURES_CREATE_DO": "Izveidot '%1' izsaukumu",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Ja pirmā vērtība ir \"patiesa\", tad atgriezt otro vērtību.",
-	"PROCEDURES_IFRETURN_WARNING": "Brīdinājums: Šo bloku var izmantot tikai funkcijas definīcijā."
+	"PROCEDURES_IFRETURN_WARNING": "Brīdinājums: Šo bloku var izmantot tikai funkcijas definīcijā.",
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Saki kaut ko...",
+	"WORKSPACE_ARIA_LABEL": "Blockly Darbavieta",
+	"COLLAPSED_WARNINGS_WARNING": "Sakļautie bloki satur brīdinājumus.",
+	"DIALOG_OK": "Labi",
+	"DIALOG_CANCEL": "Atcelt"
 }
diff --git a/msg/json/mg.json b/msg/json/mg.json
new file mode 100644
index 00000000000..4acf5b6f75b
--- /dev/null
+++ b/msg/json/mg.json
@@ -0,0 +1,58 @@
+{
+	"@metadata": {
+		"authors": [
+			"Jagwar",
+			"Kely"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "Zavatra",
+	"TODAY": "Androany",
+	"DUPLICATE_BLOCK": "Tahahana",
+	"ADD_COMMENT": "Hanampy resaka",
+	"REMOVE_COMMENT": "Hanala resaka",
+	"EXTERNAL_INPUTS": "Iditra ivelany",
+	"INLINE_INPUTS": "Iditra an'andalana",
+	"DELETE_BLOCK": "Hamafa bilaoky",
+	"DELETE_X_BLOCKS": "Hamafa bilaoky %1",
+	"DELETE_ALL_BLOCKS": "Hamafa ny bilaoky %1 rehetra ?",
+	"CLEAN_UP": "Hanadio bilaoky",
+	"EXPAND_ALL": "Hanitatra bilaoky",
+	"DISABLE_BLOCK": "Hanajanona ny bilaoky",
+	"ENABLE_BLOCK": "Handefa ny bilaoky",
+	"HELP": "Fanoroana",
+	"UNDO": "Esorina",
+	"REDO": "Averina atao",
+	"CHANGE_VALUE_TITLE": "Hanova sanda:",
+	"RENAME_VARIABLE": "Hanova anarana ny ova...",
+	"COLOUR_RANDOM_TITLE": "loko kisendra",
+	"COLOUR_RGB_RED": "mena",
+	"COLOUR_RGB_GREEN": "maitso",
+	"COLOUR_RGB_BLUE": "manga",
+	"COLOUR_BLEND_TITLE": "afangaro",
+	"COLOUR_BLEND_COLOUR1": "loko 1",
+	"COLOUR_BLEND_COLOUR2": "loko 2",
+	"COLOUR_BLEND_RATIO": "taha",
+	"CONTROLS_REPEAT_INPUT_DO": "atao",
+	"CONTROLS_IF_MSG_IF": "raha",
+	"CONTROLS_IF_MSG_ELSEIF": "raha tsy izany",
+	"CONTROLS_IF_MSG_ELSE": "raha tsy izany raha",
+	"LOGIC_OPERATION_AND": "sady",
+	"LOGIC_OPERATION_OR": "na",
+	"LOGIC_NEGATE_TITLE": "tsy %1",
+	"LOGIC_BOOLEAN_TRUE": "marina",
+	"LOGIC_BOOLEAN_FALSE": "diso",
+	"LOGIC_NULL": "foana",
+	"LOGIC_NULL_TOOLTIP": "Mamerina sanda foana",
+	"LOGIC_TERNARY_CONDITION": "andrana",
+	"LOGIC_TERNARY_IF_TRUE": "raha marina",
+	"LOGIC_TERNARY_IF_FALSE": "raha diso",
+	"MATH_NUMBER_TOOLTIP": "Laharana.",
+	"MATH_ROUND_OPERATOR_ROUND": "boriboriana",
+	"MATH_ROUND_OPERATOR_ROUNDUP": "boriboriana amin'ny sanda ambony",
+	"MATH_ROUND_OPERATOR_ROUNDDOWN": "boriboriana amin'ny sanda ambany",
+	"MATH_ONLIST_OPERATOR_SUM": "tambatry ny lisitra",
+	"MATH_ONLIST_OPERATOR_MIN": "kely indrindra amin'ny lisitra",
+	"MATH_ONLIST_OPERATOR_MAX": "lehibe indrindra amin'ny lisitra",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Aoka ihany"
+}
diff --git a/msg/json/mk.json b/msg/json/mk.json
index 8ae40bde1d2..77401a2a24a 100644
--- a/msg/json/mk.json
+++ b/msg/json/mk.json
@@ -73,22 +73,11 @@
 	"CONTROLS_IF_MSG_ELSE": "инаку",
 	"CONTROLS_IF_IF_TOOLTIP": "Додава, отстранува или прередува делови за прераспоредување на овој блок „ако“.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Додај услов кон „ако“ блокот.",
-	"IOS_OK": "ОК",
-	"IOS_CANCEL": "Откажи",
-	"IOS_ERROR": "Грешка",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Додај влез",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Дозволи тврдења",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Додај променлива",
-	"IOS_VARIABLES_ADD_BUTTON": "Додај",
-	"IOS_VARIABLES_RENAME_BUTTON": "Преименувај",
-	"IOS_VARIABLES_DELETE_BUTTON": "Избриши",
-	"IOS_VARIABLES_VARIABLE_NAME": "Име на променливата",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Не можете да искористите празно име за променлива.",
 	"LOGIC_COMPARE_HELPURL": "https://mk.wikipedia.org/wiki/Неравенство",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Дава вистина ако обата вноса се еднакви.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Дава вистина ако обата вноса не се еднакви.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Дава вистина ако првиот внос е помал од вториот.",
-	"LOGIC_COMPARE_TOOLTIP_LTE": "Дава вистина ако првиот внос е помал или еднаков на  вториот.",
+	"LOGIC_COMPARE_TOOLTIP_LTE": "Дава вистина ако првиот внос е помал или еднаков на вториот.",
 	"LOGIC_COMPARE_TOOLTIP_GT": "Дава вистина ако првиот внос е поголем од вториот.",
 	"LOGIC_COMPARE_TOOLTIP_GTE": "Дава вистина ако првиот внос е поголем или еднаков на вториот.",
 	"LOGIC_OPERATION_TOOLTIP_AND": "Дава вистина ако обата вноса се вистинити.",
@@ -181,8 +170,9 @@
 	"PROCEDURES_DEFNORETURN_COMMENT": "Опишете ја оваа функција...",
 	"PROCEDURES_DEFRETURN_RETURN": "назад",
 	"PROCEDURES_ALLOW_STATEMENTS": "дозволи тврдења",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://mk.wikipedia.org/wiki/Потпрограма",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Додај, отстрани или пренареди ги влезните параметри за оваа функција.",
 	"PROCEDURES_CREATE_DO": "Создај го '%1'",
-	"WORKSPACE_ARIA_LABEL": "Работен простор на Blockly"
+	"WORKSPACE_ARIA_LABEL": "Работен простор на Blockly",
+	"DIALOG_OK": "ОК",
+	"DIALOG_CANCEL": "Откажи"
 }
diff --git a/msg/json/ml.json b/msg/json/ml.json
new file mode 100644
index 00000000000..6c93425605f
--- /dev/null
+++ b/msg/json/ml.json
@@ -0,0 +1,35 @@
+{
+	"@metadata": {
+		"authors": [
+			"Adithyak1997"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "ഇനം",
+	"UNNAMED_KEY": "പേരില്ലാത്തവ",
+	"TODAY": "ഇന്ന്",
+	"DUPLICATE_BLOCK": "പകർപ്പ്",
+	"ADD_COMMENT": "അഭിപ്രായം ചേർക്കുക",
+	"REMOVE_COMMENT": "അഭിപ്രായം ഒഴിവാക്കുക",
+	"HELP": "സഹായം",
+	"UNDO": "തിരസ്കരിക്കുക",
+	"REDO": "വീണ്ടും ചെയ്യുക",
+	"RENAME_VARIABLE": "ചരത്തിന്റെ പേര് മാറ്റുക...",
+	"NEW_VARIABLE": "ചരം സൃഷ്ടിക്കുക...",
+	"NEW_STRING_VARIABLE": "സ്ട്രിങ് ചരം സൃഷ്ടിക്കുക...",
+	"NEW_NUMBER_VARIABLE": "ക്രമസംഖ്യ ചരം സൃഷ്ടിക്കുക...",
+	"NEW_COLOUR_VARIABLE": "നിറം ചരം സൃഷ്ടിക്കുക...",
+	"NEW_VARIABLE_TITLE": "പുതിയ ചരത്തിന്റെ പേര്:",
+	"VARIABLE_ALREADY_EXISTS": "\"%1\" എന്ന പേരിലുള്ള ചരം നിലവിലുണ്ട്.",
+	"COLOUR_RANDOM_TITLE": "ക്രമരഹിത നിറം",
+	"COLOUR_RANDOM_TOOLTIP": "ക്രമരഹിതമായി ഒരു നിറം തിരഞ്ഞെടുക്കുക.",
+	"COLOUR_RGB_RED": "ചുവപ്പ്",
+	"COLOUR_RGB_GREEN": "പച്ച",
+	"COLOUR_RGB_BLUE": "നീല",
+	"COLOUR_BLEND_COLOUR1": "ഒന്നാം നിറം",
+	"COLOUR_BLEND_COLOUR2": "രണ്ടാം നിറം",
+	"COLOUR_BLEND_RATIO": "അനുപാതം",
+	"CONTROLS_REPEAT_TITLE": "%1 തവണ ആവർത്തിക്കുക",
+	"CONTROLS_REPEAT_TOOLTIP": "ചില വരികൾ കൂടുതൽ തവണ ചെയ്യുക.",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "കുരുക്കിന് പുറത്തുകടക്കുക",
+	"DIALOG_OK": "ശരി"
+}
diff --git a/msg/json/mnw.json b/msg/json/mnw.json
index 6988a708ddd..53d12cc5372 100644
--- a/msg/json/mnw.json
+++ b/msg/json/mnw.json
@@ -6,6 +6,7 @@
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "ဒကုတ်",
+	"UNNAMED_KEY": "ဟွံကဵုလဝ်ယၟု",
 	"TODAY": "တ္ၚဲဏအ်",
 	"DUPLICATE_BLOCK": "ချာဲ",
 	"ADD_COMMENT": "စုတ် လညာတ်",
@@ -40,7 +41,6 @@
 	"DELETE_VARIABLE_CONFIRMATION": "ဇိုတ်ပလီု %1 တုဲ ရပ်စပ် '%2' နဒဒှ်မပြံင်လှာဲဟာ?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "မပြံင်လှာဲ '%1' ဂှ် ဇိုတ်ပလီု ဟွံဂွံ၊ ဟိုတ်နူ ဍေဟ်ဂှ် ဆက်စပ်ဒၟံင် ကုဝှင်ရှေန် '%2'",
 	"DELETE_VARIABLE": "ဇိုတ်ပလီု အပြံင်အလှာဲ '%1'",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "ရုဲကေတ် အသာ် မွဲ နူကဵု ဖလာတ်",
 	"COLOUR_RANDOM_TITLE": "ဇျောမ်ကေတ် အသာ်",
 	"COLOUR_RANDOM_TOOLTIP": "ရုဲစှ်ကေတ် အသာ် မွဲ ပ္ဍဲ ဇဟောမ်",
@@ -54,7 +54,6 @@
 	"COLOUR_BLEND_COLOUR2": "အသာ် ၂",
 	"COLOUR_BLEND_RATIO": "ဗၞတ်ဗ္ၜတ်",
 	"COLOUR_BLEND_TOOLTIP": "ပနှဴ အသာ် ၜါ နကဵု ဗၞတ်ဗ္ၜတ် (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "ထပ်ဂလိုင်ပတိုန် %1 နာဍဳ",
 	"CONTROLS_REPEAT_INPUT_DO": "ပ",
 	"CONTROLS_REPEAT_TOOLTIP": "ကၠောန်ပတိတ် လလောင်တြး မဂၠိုင် ကုအလန်၊၊",
@@ -72,18 +71,6 @@
 	"CONTROLS_IF_MSG_ELSEIF": "ယဝ်နွံမံၚ်ဏီ",
 	"CONTROLS_IF_MSG_ELSE": "မုနွံ",
 	"CONTROLS_IF_IF_TOOLTIP": "ထပ်, ပတိတ်, ဟွံသေၚ် ကလေၚ်ဖျေံလၟေၚ် ရုဲစှ် သွက်ဂွံကလေၚ်ထမံက်ဣဏံ ယဝ်ရကၟာတ်မ္ဂး",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "တးပဲါ",
-	"IOS_ERROR": "ဗၠေတ်",
-	"IOS_PROCEDURES_INPUTS": "INPUTS",
-	"IOS_PROCEDURES_ADD_INPUT": "+ စုတ် Input",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "ကဵုအခေါင် လိက်လလောင်တရးဂမၠိုင်",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ ထပ် ကိုန်ချဳ",
-	"IOS_VARIABLES_ADD_BUTTON": "စုတ်",
-	"IOS_VARIABLES_RENAME_BUTTON": "ကဵုယၟုတၟိ",
-	"IOS_VARIABLES_DELETE_BUTTON": "ပလီု",
-	"IOS_VARIABLES_VARIABLE_NAME": "ယၟု ကိုန်ချဳ",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "မၞးသုၚ်စောဲကေတ် ယၟုကိုန်ချဳမမုဟွံမွဲ",
 	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/ဟွံညဳသၟဟ်_(သၚ်္ချာဂမၠိုၚ်)",
 	"LOGIC_OPERATION_AND": "ကေုာံ",
 	"LOGIC_OPERATION_OR": "ဟွံသေင်မ္ဂး",
@@ -97,9 +84,7 @@
 	"LOGIC_TERNARY_CONDITION": "စမ်ၜတ်",
 	"LOGIC_TERNARY_IF_TRUE": "ယဝ်ဍာံ",
 	"LOGIC_TERNARY_IF_FALSE": "ယဝ်ဗၠေတ်",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "မဂၞန်မွဲ",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
-	"MATH_SINGLE_OP_ABSOLUTE": "ဍာံဍာံ"
+	"MATH_SINGLE_OP_ABSOLUTE": "ဍာံဍာံ",
+	"DIALOG_CANCEL": "တးပဲါ"
 }
diff --git a/msg/json/ms.json b/msg/json/ms.json
index b10332d5ae3..1ed6c50d63b 100644
--- a/msg/json/ms.json
+++ b/msg/json/ms.json
@@ -2,7 +2,8 @@
 	"@metadata": {
 		"authors": [
 			"Anakmalaysia",
-			"Espertus"
+			"Espertus",
+			"Hakimi97"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "Perkara",
@@ -42,7 +43,6 @@
 	"COLOUR_BLEND_COLOUR2": "warna 2",
 	"COLOUR_BLEND_RATIO": "nisbah",
 	"COLOUR_BLEND_TOOLTIP": "Campurkan dua warna sekali pada nisbah yang ditentukan (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "ulang %1 kali",
 	"CONTROLS_REPEAT_INPUT_DO": "lakukan",
 	"CONTROLS_REPEAT_TOOLTIP": "Lakukan perintah berulang kali.",
@@ -93,11 +93,6 @@
 	"LOGIC_TERNARY_TOOLTIP": "Check the condition in 'test'. If the condition is true, returns the 'if true' value; otherwise returns the 'if false' value.",
 	"MATH_NUMBER_HELPURL": "https://ms.wikipedia.org/wiki/Nombor",
 	"MATH_NUMBER_TOOLTIP": "Suatu nombor.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tan",
@@ -140,7 +135,6 @@
 	"MATH_CHANGE_HELPURL": "https://id.wikipedia.org/wiki/Perjumlahan",
 	"MATH_CHANGE_TITLE": "perubahan %1 oleh %2",
 	"MATH_CHANGE_TOOLTIP": "Tambah nombor kepada pembolehubah '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Bulat nombor yang naik atau turun.",
 	"MATH_ROUND_OPERATOR_ROUND": "pusingan",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "pusingan ke atas",
@@ -166,10 +160,8 @@
 	"MATH_MODULO_TOOLTIP": "Taip balik baki yang didapat daripada pembahagian dua nombor tersebut.",
 	"MATH_CONSTRAIN_TITLE": "constrain %1 low %2 high %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Constrain a number to be between the specified limits (inclusive).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "integer rawak dari %1ke %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Kembalikan integer rawak diantara dua had yang ditentukan, inklusif.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "pecahan rawak",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Kembali sebahagian kecil rawak antara 0.0 (inklusif) dan 1.0 (eksklusif).",
 	"TEXT_TEXT_HELPURL": "https://ms.wikipedia.org/wiki/Rentetan",
@@ -218,7 +210,6 @@
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Peringatkan pengguna untuk sebahagian teks.",
 	"LISTS_CREATE_EMPTY_TITLE": "Wujudkan senarai kosong",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Kembalikan senarai panjang 0, yang tidak mengandungi rekod data",
-	"LISTS_CREATE_WITH_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_CREATE_WITH_TOOLTIP": "Wujudkan senarai dengan apa jua nombor item.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "wujudkan senarai dengan",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "senarai",
@@ -271,10 +262,9 @@
 	"LISTS_GET_SUBLIST_START_FROM_END": "dapatkan sub-senarai daripada # daripada terakhir",
 	"LISTS_GET_SUBLIST_START_FIRST": "dapatkan sub-senarai daripada pertama",
 	"LISTS_GET_SUBLIST_END_FROM_START": "ke #",
-	"LISTS_GET_SUBLIST_END_FROM_END": "ke  # dari akhir",
+	"LISTS_GET_SUBLIST_END_FROM_END": "ke # dari akhir",
 	"LISTS_GET_SUBLIST_END_LAST": "ke akhir",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Wujudkan salinan bahagian yang ditentukan dari senarai.",
-	"LISTS_SPLIT_HELPURL": "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "buat senarai dgn teks",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "buat teks drpd senarai",
 	"LISTS_SPLIT_WITH_DELIMITER": "dengan delimiter",
@@ -293,11 +283,9 @@
 	"PROCEDURES_DEFNORETURN_COMMENT": "Terangkan fungsi ini...",
 	"PROCEDURES_DEFRETURN_RETURN": "kembali",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Mencipta satu fungsi dengan pengeluaran.",
-	"PROCEDURES_ALLOW_STATEMENTS": "bolehkan kenyataan",
+	"PROCEDURES_ALLOW_STATEMENTS": "membenarkan kenyataan",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Amaran: Fungsi ini mempunyai parameter yang berganda.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://ms.wikipedia.org/wiki/Fungsi",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Run the user-defined function '%1'.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://ms.wikipedia.org/wiki/Fungsi",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Run the user-defined function '%1' and use its output.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "Input-input",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Tambah, alih keluar atau susun semula input pada fungsi ini.",
@@ -306,6 +294,7 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Serlahkan definisi fungsi",
 	"PROCEDURES_CREATE_DO": "Hasilkan '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "If a value is true, then return a second value.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
-	"PROCEDURES_IFRETURN_WARNING": "Amaran: Blok ini hanya boleh digunakan dalam fungsi definisi."
+	"PROCEDURES_IFRETURN_WARNING": "Amaran: Blok ini hanya boleh digunakan dalam fungsi definisi.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Batalkan"
 }
diff --git a/msg/json/my.json b/msg/json/my.json
new file mode 100644
index 00000000000..3a412ab464c
--- /dev/null
+++ b/msg/json/my.json
@@ -0,0 +1,57 @@
+{
+	"@metadata": {
+		"authors": [
+			"Dr Lotus Black",
+			"July Amyutay",
+			"Phyoekyaw"
+		]
+	},
+	"UNNAMED_KEY": "အမည်မဲ့",
+	"TODAY": "ယနေ့",
+	"DUPLICATE_BLOCK": "ထပ်ပွား",
+	"ADD_COMMENT": "မှတ်ချက် ပေါင်းထည့်ရန်",
+	"REMOVE_COMMENT": "မှတ်ချက် ဖယ်ရှားရန်",
+	"DUPLICATE_COMMENT": "မှတ်ချက်ပွားရန်",
+	"HELP": "အကူအညီ",
+	"UNDO": "နောက်ပြန် ပြန်ပြင်ရန်",
+	"REDO": "ရှေ့သို့ ပြန်ပြင်ရန်",
+	"CHANGE_VALUE_TITLE": "တန်ဖိုး ပြောင်းလဲရန်:",
+	"RENAME_VARIABLE": "ကိန်းရှင် အမည်ပြောင်းရန်",
+	"RENAME_VARIABLE_TITLE": "ကိန်းရှင် %1 ခုကို အမည်ပြောင်းရန်",
+	"NEW_VARIABLE": "ကိန်းရှင် ဖန်တီးရန်",
+	"NEW_NUMBER_VARIABLE": "ဂဏန်းကိန်းရှင် ဖန်တီးရန်",
+	"NEW_COLOUR_VARIABLE": "အရောင်ကိန်းရှင် ဖန်တီးရန်",
+	"NEW_VARIABLE_TYPE_TITLE": "ကိန်းရှင်အမျိုးအစားသစ်:",
+	"NEW_VARIABLE_TITLE": "ကိန်းရှင်အသစ်နာမည်",
+	"VARIABLE_ALREADY_EXISTS": "ကိန်းရှင်၏အမည် %1 သည် ရှိပြီးသားဖြစ်သည်။",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "ကိန်းရှင်အမည် \"%1\" သည် အခြားအမျိုးအစား \"%2%\" အတွက် ရှိပြီးသားဖြစ်သည်။",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "လုပ်ဆောင်ချက် \"%2%\" ၏ သတ်မှတ်ချက်တစ်စိတ်တစ်ပိုင်း ဖြစ်သောကြောင့် ကိန်းရှင် \"%1\" ကို ဖျက်လို့မရပါ။",
+	"DELETE_VARIABLE": "ကိန်းရှင် \"%1\" ကို ဖျက်ရန်",
+	"COLOUR_PICKER_HELPURL": "https://my.wikipedia.org/wiki/အရောင်",
+	"COLOUR_RANDOM_TITLE": "ကျပန်း အရောင်",
+	"COLOUR_RANDOM_TOOLTIP": "ကျပန်းပုံစံဖြင့် အရောင်ရွေးပါ",
+	"COLOUR_RGB_RED": "အနီ",
+	"COLOUR_RGB_GREEN": "အစိမ်း",
+	"COLOUR_RGB_BLUE": "အပြာရောင်",
+	"COLOUR_BLEND_COLOUR1": "အရောင် ၁",
+	"COLOUR_BLEND_COLOUR2": "အရောင် ၂",
+	"COLOUR_BLEND_RATIO": "အချိုး",
+	"LOGIC_OPERATION_AND": "နှင့်",
+	"LOGIC_OPERATION_OR": "သို့မဟုတ်",
+	"MATH_NUMBER_HELPURL": "https://my.wikipedia.org/wiki/ကိန်း",
+	"MATH_NUMBER_TOOLTIP": "ကိန်းတစ်ခု။",
+	"MATH_ARITHMETIC_HELPURL": "https://my.wikipedia.org/wiki/ဂဏန်းသင်္ချာ",
+	"MATH_SINGLE_HELPURL": "https://my.wikipedia.org/wiki/စတုရန်း",
+	"LISTS_GET_INDEX_REMOVE": "ဖယ်ရှားရန်",
+	"LISTS_GET_INDEX_FIRST": "ပထမဆုံး",
+	"LISTS_GET_INDEX_LAST": "နောက်ဆုံး",
+	"LISTS_GET_INDEX_RANDOM": "ကျပန်း",
+	"LISTS_SORT_TITLE": "%1 %2 %3 အဖြစ် စီစဉ်ရန်",
+	"LISTS_SORT_ORDER_ASCENDING": "ငယ်စဉ်ကြီးလိုက်",
+	"LISTS_SORT_ORDER_DESCENDING": "ကြီးစဉ်ငယ်လိုက်",
+	"PROCEDURES_CREATE_DO": "'%1' ကို ဖန်တီးရန်",
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "တစ်ခုခု ပြောခဲ့ပါ...",
+	"WORKSPACE_ARIA_LABEL": "လုပ်ငန်းခွင်ပိတ်ဆို့မှု",
+	"DIALOG_OK": "အိုကေ",
+	"DIALOG_CANCEL": "ဖျက်မည်။"
+}
diff --git a/msg/json/mzn.json b/msg/json/mzn.json
new file mode 100644
index 00000000000..c5603d6d8ac
--- /dev/null
+++ b/msg/json/mzn.json
@@ -0,0 +1,6 @@
+{
+	"@metadata": {
+		"authors": []
+	},
+	"DIALOG_OK": "خا"
+}
diff --git a/msg/json/nb.json b/msg/json/nb.json
index d62ec0dd6aa..55a59c8a584 100644
--- a/msg/json/nb.json
+++ b/msg/json/nb.json
@@ -9,6 +9,7 @@
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "element",
+	"UNNAMED_KEY": "navnløs",
 	"TODAY": "I dag",
 	"DUPLICATE_BLOCK": "duplikat",
 	"ADD_COMMENT": "Legg til kommentar",
@@ -40,26 +41,23 @@
 	"NEW_VARIABLE_TITLE": "Nytt variabelnavn:",
 	"VARIABLE_ALREADY_EXISTS": "En variabel med navn «%1» finnes allerede.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "En variabel med navn «%1» finnes allerede for en annen type: «%2».",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "En variabel med navn «%1» finnes allerede som en parameter i prosedyren «%2».",
 	"DELETE_VARIABLE_CONFIRMATION": "Slett %1 bruk av variabelen «%2»?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Kan ikke slette variabelen «%1» fordi den er del av definisjonen for funksjonen «%2»",
 	"DELETE_VARIABLE": "Slett variabelen «%1»",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "Velg en farge fra paletten.",
 	"COLOUR_RANDOM_TITLE": "tilfeldig farge",
 	"COLOUR_RANDOM_TOOLTIP": "Velg en tilfeldig farge.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "farge med",
 	"COLOUR_RGB_RED": "rød",
 	"COLOUR_RGB_GREEN": "grønn",
 	"COLOUR_RGB_BLUE": "blå",
 	"COLOUR_RGB_TOOLTIP": "Lag en farge med angitt verdi av rød, grønn og blå. Alle verdier må være mellom 0 og 100.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "blande",
 	"COLOUR_BLEND_COLOUR1": "farge 1",
 	"COLOUR_BLEND_COLOUR2": "farge 2",
 	"COLOUR_BLEND_RATIO": "forhold",
 	"COLOUR_BLEND_TOOLTIP": "Blander to farger sammen med et gitt forhold (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "gjenta %1 ganger",
 	"CONTROLS_REPEAT_INPUT_DO": "gjør",
 	"CONTROLS_REPEAT_TOOLTIP": "Gjenta noen instruksjoner flere ganger.",
@@ -86,20 +84,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Legg til, fjern eller flytt seksjoner i denne hvis-blokken.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Legg til en betingelse til hvis blokken.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Legg til hva som skal skje hvis de andre ikke slår til.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Avbryt",
-	"IOS_ERROR": "Feil",
-	"IOS_PROCEDURES_INPUTS": "PARAMETERE",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Legg til parameter",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Tillat kommandoer",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Denne funksjonen har duplikatparametere.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Legg til variabel",
-	"IOS_VARIABLES_ADD_BUTTON": "Legg til",
-	"IOS_VARIABLES_RENAME_BUTTON": "Endre navn",
-	"IOS_VARIABLES_DELETE_BUTTON": "Slett",
-	"IOS_VARIABLES_VARIABLE_NAME": "Variabelnavn",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Du kan ikke bruke et tomt variabelnavn.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Returnerer sann hvis begge inputene er like hverandre.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Returnerer sant hvis begge argumentene er ulike hverandre.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Returnerer sant hvis det første argumentet er mindre enn det andre argumentet.",
@@ -115,21 +99,14 @@
 	"LOGIC_BOOLEAN_TRUE": "sann",
 	"LOGIC_BOOLEAN_FALSE": "usann",
 	"LOGIC_BOOLEAN_TOOLTIP": "Returnerer enten sann eller usann.",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "null",
 	"LOGIC_NULL_TOOLTIP": "Returnerer null.",
-	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "test",
 	"LOGIC_TERNARY_IF_TRUE": "hvis sant",
 	"LOGIC_TERNARY_IF_FALSE": "hvis usant",
 	"LOGIC_TERNARY_TOOLTIP": "Sjekk betingelsen i 'test'. Hvis betingelsen er sann, da returneres 'hvis sant' verdien. Hvis ikke returneres 'hvis usant' verdien.",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "Et tall.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
 	"MATH_MULTIPLICATION_SYMBOL": "x",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tan",
@@ -142,7 +119,6 @@
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Returner produktet av to tall.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Returner kvotienten av to tall.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Returner det første tallet opphøyd i den andre tallet.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "kvadratrot",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Returner kvadratroten av et tall.",
 	"MATH_SINGLE_OP_ABSOLUTE": "absoluttverdi",
@@ -152,14 +128,12 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Returner base-10 logaritmen til et tall.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Returner e opphøyd i et tall.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Returner 10 opphøyd i et tall.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "Returner sinus av en vinkel (ikke radian).",
 	"MATH_TRIG_TOOLTIP_COS": "Returner cosinus av en vinkel (ikke radian).",
 	"MATH_TRIG_TOOLTIP_TAN": "Returner tangenten av en vinkel (ikke radian).",
 	"MATH_TRIG_TOOLTIP_ASIN": "Returner arcsinus til et tall.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Returner arccosinus til et tall.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Returner arctangens til et tall.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Returner en av felleskonstantene π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), eller ∞ (uendelig).",
 	"MATH_IS_EVEN": "er et partall",
 	"MATH_IS_ODD": "er et oddetall",
@@ -169,10 +143,8 @@
 	"MATH_IS_NEGATIVE": "er negativer negativt",
 	"MATH_IS_DIVISIBLE_BY": "er delelig med",
 	"MATH_IS_TOOLTIP": "Sjekk om et tall er et partall, oddetall, primtall, heltall, positivt, negativt, eller om det er delelig med et annet tall. Returnerer sant eller usant.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "endre %1 ved %2",
 	"MATH_CHANGE_TOOLTIP": "Addere et tall til variabelen '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Avrund et tall ned eller opp.",
 	"MATH_ROUND_OPERATOR_ROUND": "avrunding",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "rund opp",
@@ -193,20 +165,16 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Returner listens standardavvik.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "tilfeldig element i listen",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Returner et tilfeldig element fra listen.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "resten av %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Returner resten fra delingen av to tall.",
 	"MATH_CONSTRAIN_TITLE": "begrense %1 lav %2 høy %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Begrens et tall til å være mellom de angitte grenseverdiene (inklusiv).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "Et tilfeldig heltall mellom %1 og %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Returner et tilfeldig tall mellom de to spesifiserte grensene, inkludert de to.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "tilfeldig flyttall",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Returner et tilfeldig flyttall mellom 0.0 (inkludert) og 1.0 (ikke inkludert).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 av X:%1 Y:%2",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
+	"MATH_ATAN2_TOOLTIP": "Returner arctangensen til punkt (X, Y) i grader fra -180 til 180.",
 	"TEXT_TEXT_TOOLTIP": "En bokstav, ett ord eller en linje med tekst.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "lag tekst med",
 	"TEXT_JOIN_TOOLTIP": "Opprett en tekst ved å sette sammen et antall elementer.",
@@ -229,7 +197,6 @@
 	"TEXT_CHARAT_FIRST": "hent første bokstav",
 	"TEXT_CHARAT_LAST": "hent den siste bokstaven",
 	"TEXT_CHARAT_RANDOM": "hent en tilfeldig bokstav",
-	"TEXT_CHARAT_TAIL": "",
 	"TEXT_CHARAT_TOOLTIP": "Returnerer bokstaven på angitt plassering.",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "Returnerer den angitte delen av teksten.",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "i tekst",
@@ -239,7 +206,6 @@
 	"TEXT_GET_SUBSTRING_END_FROM_START": "til bokstav #",
 	"TEXT_GET_SUBSTRING_END_FROM_END": "til bokstav # fra slutten",
 	"TEXT_GET_SUBSTRING_END_LAST": "til siste bokstav",
-	"TEXT_GET_SUBSTRING_TAIL": "",
 	"TEXT_CHANGECASE_TOOLTIP": "Returnerer en kopi av teksten der store og små bokstaver er byttet om.",
 	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "til STORE BOKSTAVER",
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "til små bokstaver",
@@ -255,15 +221,11 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Be brukeren om et tall.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Spør brukeren om tekst.",
 	"TEXT_COUNT_MESSAGE0": "tell %1 i %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Tell hvor mange ganger noe tekst dukker opp i annen tekst.",
 	"TEXT_REPLACE_MESSAGE0": "erstatt %1 med %2 i %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "Erstatter alle forekomster av noe tekst i en annen tekst.",
 	"TEXT_REVERSE_MESSAGE0": "reverser %1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "Reverserer rekkefølgen på tegnene i teksten.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "opprett en tom liste",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Returnerer en tom liste, altså med lengde 0",
 	"LISTS_CREATE_WITH_TOOLTIP": "Lag en liste med et vilkårlig antall elementer.",
@@ -289,7 +251,6 @@
 	"LISTS_GET_INDEX_FIRST": "først",
 	"LISTS_GET_INDEX_LAST": "siste",
 	"LISTS_GET_INDEX_RANDOM": "tilfeldig",
-	"LISTS_GET_INDEX_TAIL": "",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 er det første elementet.",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 er det siste elementet.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "Returner elementet på den angitte posisjonen i en liste.",
@@ -321,9 +282,7 @@
 	"LISTS_GET_SUBLIST_END_FROM_START": "til #",
 	"LISTS_GET_SUBLIST_END_FROM_END": "til # fra slutten",
 	"LISTS_GET_SUBLIST_END_LAST": "til siste",
-	"LISTS_GET_SUBLIST_TAIL": "",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Kopiérer en ønsket del av en liste.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "sorter %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Sorter en kopi av en liste.",
 	"LISTS_SORT_ORDER_ASCENDING": "stigende",
@@ -336,7 +295,6 @@
 	"LISTS_SPLIT_WITH_DELIMITER": "med avgrenser",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Splitt teksten til en liste med tekster, brutt ved hver avgrenser.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Føy sammen en liste tekster til én tekst, avskilt av en avgrenser.",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "reverser %1",
 	"LISTS_REVERSE_TOOLTIP": "Reverser en kopi av ei liste.",
 	"VARIABLES_GET_TOOLTIP": "Returnerer verdien av denne variabelen.",
@@ -344,22 +302,17 @@
 	"VARIABLES_SET": "sett %1 til %2",
 	"VARIABLES_SET_TOOLTIP": "Setter verdien av denne variablen lik parameteren.",
 	"VARIABLES_SET_CREATE_GET": "Opprett 'hent %1'",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFNORETURN_TITLE": "til",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "gjør noe",
 	"PROCEDURES_BEFORE_PARAMS": "med:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "med:",
-	"PROCEDURES_DEFNORETURN_DO": "",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Opprett en funksjon som ikke har noe resultat.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Beskriv denne funksjonen…",
-	"PROCEDURES_DEFRETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFRETURN_RETURN": "returner",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Oppretter en funksjon som har et resultat.",
 	"PROCEDURES_ALLOW_STATEMENTS": "tillat uttalelser",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Advarsel: Denne funksjonen har duplikate parametere.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Kjør den brukerdefinerte funksjonen '%1'.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Kjør den brukerdefinerte funksjonen'%1' og bruk resultatet av den.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "parametere",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Legg til, fjern eller endre rekkefølgen på input til denne funksjonen.",
@@ -369,5 +322,9 @@
 	"PROCEDURES_CREATE_DO": "Opprett '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Hvis en verdi er sann, returner da en annen verdi.",
 	"PROCEDURES_IFRETURN_WARNING": "Advarsel: Denne blokken kan bare benyttes innenfor en funksjonsdefinisjon.",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Si noe …"
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Si noe …",
+	"WORKSPACE_ARIA_LABEL": "Blockly-arbeidsrom",
+	"COLLAPSED_WARNINGS_WARNING": "Sammenslåtte blokker inneholder advarsler.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Avbryt"
 }
diff --git a/msg/json/ne.json b/msg/json/ne.json
new file mode 100644
index 00000000000..3a4c1c0de76
--- /dev/null
+++ b/msg/json/ne.json
@@ -0,0 +1,247 @@
+{
+	"@metadata": {
+		"authors": [
+			"Bada Kaji",
+			"Yadav Bhattarai",
+			"बडा काजी",
+			"सरोज कुमार ढकाल"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "वस्तु",
+	"UNNAMED_KEY": "अज्ञात",
+	"TODAY": "आज",
+	"DUPLICATE_BLOCK": "प्रतिलिपी",
+	"ADD_COMMENT": "टिप्पणी थप्ने",
+	"REMOVE_COMMENT": "टिप्पणी हटाउने",
+	"DUPLICATE_COMMENT": "समिक्षाको प्रतिलिपीकरण",
+	"EXTERNAL_INPUTS": "बाह्य इन्पुटहरू",
+	"INLINE_INPUTS": "यहीका इन्पुटहरू",
+	"DELETE_BLOCK": "ब्लक हटाउने",
+	"DELETE_X_BLOCKS": "%1 ब्लकहरू हटाउने",
+	"DELETE_ALL_BLOCKS": "सबै %1 ब्लकहरू मेट्ने हो?",
+	"CLEAN_UP": "ब्लकहरू सफा गर्नुहोस्",
+	"COLLAPSE_BLOCK": "ब्लक भत्काउनुहोस्",
+	"COLLAPSE_ALL": "ब्लकहरू भत्काउनुहोस्",
+	"EXPAND_BLOCK": "ब्लकहरू फिजाउने",
+	"EXPAND_ALL": "ब्लकहरू फिजाउने",
+	"DISABLE_BLOCK": "ब्लकलाई निस्कृय पार्ने",
+	"ENABLE_BLOCK": "ब्लकलाई सकृय पार्ने",
+	"HELP": "सहायता",
+	"UNDO": "रद्द गर्ने",
+	"REDO": "फेरी गर्ने",
+	"CHANGE_VALUE_TITLE": "मान बदल्नुहोस:",
+	"RENAME_VARIABLE": "चरको पुन: नामाकरण गर्ने ...",
+	"RENAME_VARIABLE_TITLE": "सबै '%1' चरहरूको नाम परिवर्तन गर्नुहोस्:",
+	"NEW_VARIABLE": "चर बनाउ...",
+	"NEW_STRING_VARIABLE": "स्ट्रिङ चर बनाउनुहोस्...",
+	"NEW_NUMBER_VARIABLE": "अंक चर बनाउनुहोस्...",
+	"NEW_COLOUR_VARIABLE": "रङ्ग चर बनाउनुहोस्...",
+	"NEW_VARIABLE_TYPE_TITLE": "नयाँ चरको प्रकार:",
+	"NEW_VARIABLE_TITLE": "नयाँ चरको नाम:",
+	"VARIABLE_ALREADY_EXISTS": "'%1' नाम भएको चर पहिल्यै छ।",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "'%1' नाम भएको चर अर्को प्रकार:'%2' कोलागी पहिल्यै छ।",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "'%1' नामको चल पहिले नै '%2' प्रक्रियामा प्यारामिटर हो।",
+	"DELETE_VARIABLE_CONFIRMATION": "'%2' चलको %1 प्रयोगहरू हटाउने हो?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "चर '%1' मेटाउन सकिँदैन किनभने यो प्रकार्य '%2' को परिभाषाको अंश हो।",
+	"DELETE_VARIABLE": "'%1' चर हटाउनुहोस्",
+	"COLOUR_PICKER_TOOLTIP": "रङ् थालीबाट छान्नुहोस्।",
+	"COLOUR_RANDOM_TITLE": "कुनै रङ्ग",
+	"COLOUR_RANDOM_TOOLTIP": "अनियमित रूपमा रङ छान्नुहोस्।",
+	"COLOUR_RGB_TITLE": "रङ्गाउ",
+	"COLOUR_RGB_RED": "रातो",
+	"COLOUR_RGB_GREEN": "हरियो",
+	"COLOUR_RGB_BLUE": "निलो",
+	"COLOUR_RGB_TOOLTIP": "रातो, हरियो र नीलो को निर्दिष्ट मात्रा लिएर एउटा रङ बनाउनुहोस्। सबै मात्राहरू ० देखी १०० को बीचको हुनुपर्छ।",
+	"COLOUR_BLEND_TITLE": "मिश्रण",
+	"COLOUR_BLEND_COLOUR1": "रङ्ग १",
+	"COLOUR_BLEND_COLOUR2": "रङ्ग २",
+	"COLOUR_BLEND_RATIO": "अनुपात",
+	"COLOUR_BLEND_TOOLTIP": "दिइएको अनुपात(0.0 - 1.0)मा दुई रङहरू मिलाउँछ।",
+	"CONTROLS_REPEAT_TITLE": "%1 पटक दोहोऱ्याउनुहोस्",
+	"CONTROLS_REPEAT_INPUT_DO": "गर्नुहोस्",
+	"CONTROLS_REPEAT_TOOLTIP": "केही कथनहरू केही पटक दोहोऱ्याउनुहोस्।",
+	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "भएसम्म दोहोऱ्याउनुहोस्",
+	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "यस सम्म दोहोर्‌याउने",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "मान साँचो भईन्जेल केहि कथनहरू दोहोऱ्याउनुहोस्।",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "मान असत्य भईन्जेल केहि कथनहरू दोहोऱ्याउनुहोस्।",
+	"CONTROLS_FOR_TOOLTIP": "चर '%1' लाई सुरु देखि अन्त्य सङ्ख्यासम्मका मानहरू लिन दिनुहोस्, निर्दिष्ट अन्तरालमा गन्दै निर्दिष्ट ब्लकहरू दोहोऱ्याउनुहोस्।",
+	"CONTROLS_FOR_TITLE": "%1लाई %2 देखी %3 सम्म %4 जोड्दै गन्नुहोस्।",
+	"CONTROLS_FOREACH_TITLE": "सूची %2 का प्रत्येक वस्तु %1 लाई",
+	"CONTROLS_FOREACH_TOOLTIP": "सूचीका बस्तुहरूमा एक पटकमा एक वस्तु चल '%1' मा राखेर केही कथनहरू गर्नुहोस्।",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "नदोहोऱ्याउनुहोस्",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "अर्को चरणमा जानुहोस्",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "आन्तरिक दोहोरान सकियो।",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "बाँकी छाडेर अर्को चरणमा सुरू गर्नुहोस्।",
+	"CONTROLS_FLOW_STATEMENTS_WARNING": "सावधान: यो ब्लक बृत्त भित्रमात्र प्रयोग गरिन्छ।",
+	"CONTROLS_IF_TOOLTIP_1": "यदि मान साँचो भए केही कथनहरू गर्नुहोस्।",
+	"CONTROLS_IF_TOOLTIP_2": "यदि मान सत्य भए बयानको पहिलो ब्लक गर्नुहोस् नत्र दोस्रो।",
+	"CONTROLS_IF_TOOLTIP_3": "यदि पहिलो मान सत्य भए बयानको पहिलो ब्लक नत्र यदि दोस्रो मान सत्य भए दोस्रो ब्लक गर्नुहोस्।",
+	"CONTROLS_IF_TOOLTIP_4": "यदि पहिलो मान सत्य भए कथनको पहिलो ब्लक नत्र यदि दोस्रो मान सत्य भए दोस्रो ब्लक नत्र ती दुबै सत्य नभए अन्तिम ब्लक गर्नुहोस्।",
+	"CONTROLS_IF_MSG_IF": "if",
+	"CONTROLS_IF_MSG_ELSEIF": "else if",
+	"CONTROLS_IF_MSG_ELSE": "else",
+	"CONTROLS_IF_IF_TOOLTIP": "यो if भनाईलाई मिलाउन खण्डहरू थप्ने, हटाउने वा मिलाउने गर्नुहोस्।",
+	"CONTROLS_IF_ELSEIF_TOOLTIP": "यो if भनाईमा एउटा प्रश्न थप्नुहोस्।",
+	"CONTROLS_IF_ELSE_TOOLTIP": "यो if भनाईमा एउटा final, catch-all सर्त थप्नुहोस्।",
+	"LOGIC_COMPARE_TOOLTIP_EQ": "यदि दुबै दिइएका कुराहरू बराबर भए true फर्काउनुहोस।",
+	"LOGIC_COMPARE_TOOLTIP_NEQ": "यदि दुबै दिइएका कुराहरू आफुमा बराबर नभए true फर्काउनुहोस।",
+	"LOGIC_COMPARE_TOOLTIP_LT": "यदि दिइएका पहिलो, दोश्रो भन्दा सानो भए true फर्काउनुहोस।",
+	"LOGIC_COMPARE_TOOLTIP_LTE": "यदि दिइएका पहिलो, दोश्रो भन्दा सानो वा बराबर भए true फर्काउनुहोस।",
+	"LOGIC_COMPARE_TOOLTIP_GT": "यदि दिइएका पहिलो, दोश्रो भन्दा ठुलो भए true फर्काउनुहोस।",
+	"LOGIC_COMPARE_TOOLTIP_GTE": "यदि दिइएका पहिलो, दोश्रो भन्दा ठुलो वा बराबर भए true फर्काउनुहोस।",
+	"LOGIC_OPERATION_TOOLTIP_AND": "यदि दिइएका दुबै सत्य भए true फर्काउनुहोस्।",
+	"LOGIC_OPERATION_AND": "and",
+	"LOGIC_OPERATION_TOOLTIP_OR": "यदि कम्तिमा एउटा दिइएको कुरा साँचो छ भने true फर्काउनुहोस्।",
+	"LOGIC_OPERATION_OR": "or",
+	"LOGIC_NEGATE_TITLE": "not %1",
+	"LOGIC_NEGATE_TOOLTIP": "यदि दिइएको गलत भए true फर्काउँछ। यदि दिइएको सही छ भने false फर्काउँछ।",
+	"LOGIC_BOOLEAN_TRUE": "true",
+	"LOGIC_BOOLEAN_FALSE": "false",
+	"LOGIC_BOOLEAN_TOOLTIP": "true वा false फर्काउँछ।",
+	"LOGIC_NULL": "null",
+	"LOGIC_NULL_TOOLTIP": "null फर्काउछ।",
+	"LOGIC_TERNARY_CONDITION": "परीक्षण",
+	"LOGIC_TERNARY_IF_TRUE": "सत्य भए",
+	"LOGIC_TERNARY_IF_FALSE": "गलत भए",
+	"LOGIC_TERNARY_TOOLTIP": "'परीक्षण' मा अवस्था जाँच गर्नुहोस्। यदि सर्त सत्य भए, 'if true' मान फर्काउँछ; अन्यथा 'if false'।",
+	"MATH_NUMBER_TOOLTIP": "एउटा सङ्ख्या।",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
+	"MATH_ARITHMETIC_TOOLTIP_ADD": "दुई सङ्ख्याको योग फर्काउनुहोस्।",
+	"MATH_ARITHMETIC_TOOLTIP_MINUS": "दुई संख्याको भिन्नता फर्काउनुहोस्।",
+	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "दुई सङ्ख्याको गुणन फर्काउनुहोस्।",
+	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "दुई संख्याको भागफल फर्काउनुहोस्।",
+	"MATH_ARITHMETIC_TOOLTIP_POWER": "पहिलो सङ्ख्यालाई दोस्रो सङ्ख्या पटक गुणा गरेर आएको सङ्ख्या फर्काउनुहोस्।",
+	"MATH_SINGLE_OP_ROOT": "वर्गमूल",
+	"MATH_SINGLE_TOOLTIP_ROOT": "संख्याको वर्गमूल फर्काउनुहोस्।",
+	"MATH_SINGLE_OP_ABSOLUTE": "निरपेक्ष",
+	"MATH_SINGLE_TOOLTIP_ABS": "एउटा संख्याको निरपेक्ष मान फर्काउनुहोस्।",
+	"MATH_SINGLE_TOOLTIP_NEG": "संख्याको नकारात्मक मान फर्काउनुहोस्।",
+	"MATH_SINGLE_TOOLTIP_LN": "एउटा सङ्ख्याको प्राकृतिक लघुगणक फर्काउनुहोस्।",
+	"MATH_SINGLE_TOOLTIP_LOG10": "एउटा सङ्ख्याको आधार १० को लघुगणक फर्काउनुहोस्।",
+	"MATH_SINGLE_TOOLTIP_EXP": "संख्याको e को पावर फर्काउनुहोस्।",
+	"MATH_SINGLE_TOOLTIP_POW10": "सङ्ख्याको 10 को पावर फर्काउनुहोस्।",
+	"MATH_TRIG_TOOLTIP_SIN": "एउटा कोणको sine फर्काउनुहोस् (रेडियन होईन)।",
+	"MATH_TRIG_TOOLTIP_COS": "एउटा कोणको cosine फर्काउनुहोस् (रेडियन होईन)।",
+	"MATH_TRIG_TOOLTIP_TAN": "एउटा कोणको tangent फर्काउनुहोस् (रेडियन होईन)।",
+	"MATH_TRIG_TOOLTIP_ASIN": "एउटा कोणको arcsine फर्काउनुहोस्।",
+	"MATH_TRIG_TOOLTIP_ACOS": "एउटा कोणको arccosine फर्काउनुहोस्।",
+	"MATH_TRIG_TOOLTIP_ATAN": "एउटा कोणको arctangent फर्काउनुहोस्।",
+	"MATH_CONSTANT_TOOLTIP": "सामान्य स्थिरांक मध्ये एउटा फर्काउनुहोस्: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), वा ∞ (अनन्तता)।",
+	"MATH_IS_EVEN": "जोर",
+	"MATH_IS_ODD": "बिजोर",
+	"MATH_IS_PRIME": "अविभाज्य",
+	"MATH_IS_WHOLE": "पूर्ण छ",
+	"MATH_IS_POSITIVE": "धनात्मक",
+	"MATH_IS_NEGATIVE": "ऋणात्मक",
+	"MATH_IS_DIVISIBLE_BY": "द्वारा विभाजित छ",
+	"MATH_IS_TOOLTIP": "जाँच गर्नुहोस् कि संख्या एक सम, बिजोड, अभाज्य, पूर्ण, धनात्मक, ऋणात्मक, वा यदि यो निश्चित संख्या द्वारा विभाजित छ। सही वा गलत फर्काउँछ।",
+	"MATH_CHANGE_TITLE": "%1 लाई %2 ले परिवर्तन गर्नुहोस्",
+	"MATH_CHANGE_TOOLTIP": "चल '%1' मा संख्या थप्नुहोस्।",
+	"MATH_ROUND_TOOLTIP": "सङ्ख्यालाई ठुलो वा सानो पूर्ण सङ्ख्या बनाउनुहोस्।",
+	"MATH_ROUND_OPERATOR_ROUND": "पूर्ण सङ्ख्या",
+	"MATH_ROUND_OPERATOR_ROUNDUP": "ठुलो पूर्ण सङ्ख्या",
+	"MATH_ROUND_OPERATOR_ROUNDDOWN": "सानो पूर्ण सङ्ख्या",
+	"MATH_ONLIST_OPERATOR_SUM": "सूचीको योगफल",
+	"MATH_ONLIST_TOOLTIP_SUM": "सूचीमा भएका सबै सङ्ख्याहरूको योगफल फर्काउनुहोस्।",
+	"MATH_ONLIST_OPERATOR_MIN": "सूचीको न्यूनतम",
+	"MATH_ONLIST_TOOLTIP_MIN": "सूचीमा सबैभन्दा सानो सङ्ख्या फर्काउनुहोस्।",
+	"MATH_ONLIST_OPERATOR_MAX": "सूचीको अधिकतम",
+	"MATH_ONLIST_TOOLTIP_MAX": "सूचीमा सबैभन्दा ठूलो सङ्ख्या फर्काउनुहोस्।",
+	"MATH_ONLIST_OPERATOR_AVERAGE": "सूचीको औसत",
+	"MATH_ONLIST_TOOLTIP_AVERAGE": "सूचीमा संख्यात्मक मानहरूको औसत (अंकगणितीय माध्य) फिर्ता गर्नुहोस्।",
+	"MATH_ONLIST_OPERATOR_MEDIAN": "सूचीको मध्यमा",
+	"MATH_ONLIST_TOOLTIP_MEDIAN": "सूचीमा मध्य संख्या फर्काउनुहोस्।",
+	"MATH_ONLIST_TOOLTIP_MODE": "सूचीबाट सबैभन्दा सामान्य वस्तु(हरू) को सूची फर्काउनुहोस्।",
+	"MATH_ONLIST_OPERATOR_STD_DEV": "सूचीको मानक विचलन",
+	"MATH_ONLIST_TOOLTIP_STD_DEV": "सूचीको मानक विचलन फर्काउनुहोस्।",
+	"MATH_ONLIST_OPERATOR_RANDOM": "सूचीको कुनै वस्तु",
+	"MATH_ONLIST_TOOLTIP_RANDOM": "सूचीबाट कुनै एक फर्काउनुहोस्।",
+	"MATH_MODULO_TITLE": "%1 ÷ %2 को बाँकी",
+	"MATH_MODULO_TOOLTIP": "दुई संख्याहरूको भाग गरेर बाँकी फर्काउनुहोस्।",
+	"MATH_CONSTRAIN_TITLE": "सीमित %1 सानो %2 ठुलो %3",
+	"MATH_CONSTRAIN_TOOLTIP": "एउटा सङ्ख्यालाई निर्दिष्ट सीमाहरूमा (समावेशी) सीमित गर्नुहोस्।",
+	"MATH_RANDOM_INT_TITLE": "%1 देखि %2 बिचको कुनै पूर्ण सङ्खया",
+	"MATH_RANDOM_INT_TOOLTIP": "दुई निर्दिष्ट समावेशी सीमाहरू बीचको कुनै पूर्णांक फर्काउनुहोस्।",
+	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "कुनै अंश",
+	"MATH_RANDOM_FLOAT_TOOLTIP": "०.० (समावेशी) र १.० (विशेष) बीचको कुनै अंश फर्काउनुहोस्।",
+	"MATH_ATAN2_TITLE": "X:%1 Y:%2 को atan2",
+	"MATH_ATAN2_TOOLTIP": "-180 देखि 180 डिग्रीमा पर्ने (X, Y) बिन्दु को आर्कट्यान्जेन्ट फर्काउनुहोस्।",
+	"TEXT_TEXT_TOOLTIP": "अक्षर, शब्द वा वाक्य रेखा।",
+	"TEXT_JOIN_TITLE_CREATEWITH": "यसबाट पाठ बनाउनुहोस्",
+	"TEXT_JOIN_TOOLTIP": "केही कुराहरू जोडेर पाठ्यांस बनाउनुहोस्।",
+	"TEXT_CREATE_JOIN_TITLE_JOIN": "मिलाउ",
+	"TEXT_CREATE_JOIN_TOOLTIP": "यो पाठ्यांस पुन: मिलाउनलाई खण्डहरू थप्नुहोस्, हटाउनुहोस् वा पुन: क्रमबद्ध गर्नुहोस्।",
+	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "पाठमा एक चिज थप्नुहोस्।",
+	"TEXT_APPEND_TITLE": "%1 मा पाठ %2 थप्नुहोस्",
+	"TEXT_APPEND_TOOLTIP": "चर '%1' मा केही पाठ थप्नुहोस्।",
+	"TEXT_LENGTH_TITLE": "%1 को लम्बाइ",
+	"TEXT_LENGTH_TOOLTIP": "दिइएको पाठमा अक्षरहरूको संख्या (स्पेस सहित) फर्काउँछ।",
+	"TEXT_ISEMPTY_TITLE": "%1 खाली छ",
+	"TEXT_ISEMPTY_TOOLTIP": "यदि दिइएको पाठ खाली छ भने true फर्काउँछ।",
+	"TEXT_INDEXOF_TOOLTIP": "दोस्रो पाठमा पहिलो पाठ भेटिएको पहिलो/अन्तिम अनुक्रमणिका फर्काउँछ। पाठ फेला परेन भने %1 फर्काउँछ।",
+	"TEXT_INDEXOF_TITLE": "पाठमा %1 %2 %3",
+	"TEXT_INDEXOF_OPERATOR_FIRST": "पाठको पहिलो ठाँउ फेला पार्नुहोस्",
+	"TEXT_INDEXOF_OPERATOR_LAST": "पाठको अन्तिम ठाँउ फेला पार्नुहोस्",
+	"TEXT_CHARAT_TITLE": "पाठमा %1 %2",
+	"TEXT_CHARAT_FROM_START": "अक्षर # निकाल",
+	"TEXT_CHARAT_FROM_END": "अन्तबाट अक्षर # निकाल",
+	"TEXT_CHARAT_FIRST": "पहिलो अक्षर निकाल",
+	"TEXT_CHARAT_LAST": "अन्तिम अक्षर निकाल",
+	"TEXT_CHARAT_RANDOM": "कुनै अक्षर निकाल",
+	"TEXT_CHARAT_TOOLTIP": "निर्दिष्ट स्थानको अक्षर फर्काउँछ।",
+	"TEXT_GET_SUBSTRING_TOOLTIP": "पाठको निर्दिष्ट भाग फर्काउँछ।",
+	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "पाठमा",
+	"TEXT_GET_SUBSTRING_START_FROM_START": "अक्षर # देखि बाँकी निकाल",
+	"TEXT_GET_SUBSTRING_START_FROM_END": "अन्तिमको अक्षर # बाट बाँकी निकाल",
+	"TEXT_GET_SUBSTRING_START_FIRST": "पहिलो अक्षरबाट बाँकी निकाल",
+	"TEXT_GET_SUBSTRING_END_FROM_START": "अक्षर # सम्म",
+	"TEXT_GET_SUBSTRING_END_FROM_END": "अन्त्यबाट # अक्षर सम्म",
+	"TEXT_GET_SUBSTRING_END_LAST": "अन्तिम अक्षरसम्म",
+	"TEXT_CHANGECASE_TOOLTIP": "फरक अवस्थामा पाठको प्रतिलिपि फर्काउनुहोस्।",
+	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "to UPPER CASE",
+	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "to lower case",
+	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "to Title Case",
+	"TEXT_TRIM_TOOLTIP": "एक वा दुबै छेउबाट खाली ठाउँहरू हटाएर पाठको प्रतिलिपि फर्काउनुहोस्।",
+	"TEXT_TRIM_OPERATOR_BOTH": "दुबै छेउबाट खाली ठाउँहरू हटाउनुहोस्",
+	"TEXT_TRIM_OPERATOR_LEFT": "बायाँबाट खाली ठाउँहरू हटाउनुहोस्",
+	"TEXT_TRIM_OPERATOR_RIGHT": "दायाँ छेउबाट खाली ठाउँहरू हटाउनुहोस्",
+	"TEXT_PRINT_TITLE": "%1 छाप्नुहोस्",
+	"TEXT_PRINT_TOOLTIP": "निर्दिष्ट पाठ, नम्बर वा अन्य मान छाप्नुहोस्।",
+	"TEXT_PROMPT_TYPE_TEXT": "सन्देशको साथ पाठको लागि भन्नुहोस्",
+	"TEXT_PROMPT_TYPE_NUMBER": "सन्देशको साथ नम्बरको लागि भन्नुहोस्",
+	"TEXT_PROMPT_TOOLTIP_NUMBER": "नम्बरको लागि प्रयोगकर्तालाई भन्नुहोस्",
+	"TEXT_PROMPT_TOOLTIP_TEXT": "केहि पाठ को लागी प्रयोगकर्तालाई भन्नुहोस्।",
+	"TEXT_COUNT_MESSAGE0": "%2 मा %1 गणना गर्नुहोस्",
+	"TEXT_COUNT_TOOLTIP": "कति पटक केहि पाठ केहि अन्य पाठ भित्र छन्, गणना गर्नुहोस्।",
+	"TEXT_REPLACE_MESSAGE0": "%3 मा %2 ले %1 लाई प्रतिस्थापन गर्नुहोस्",
+	"TEXT_REPLACE_TOOLTIP": "केही पाठका सबै घटनाहरू केही अन्य पाठभित्र प्रतिस्थापन गर्नुहोस्।",
+	"TEXT_REVERSE_MESSAGE0": "%1 लाई उल्टो",
+	"TEXT_REVERSE_TOOLTIP": "पाठमा अक्षरहरूको क्रमलाई उल्टाउँछ।",
+	"LISTS_CREATE_EMPTY_TITLE": "खाली सूची बनाउनुहोस्",
+	"LISTS_CREATE_EMPTY_TOOLTIP": "कुनै तथ्याङ्क नराखी, ० लम्बाइको सूची फिर्ता गर्दछ",
+	"LISTS_CREATE_WITH_TOOLTIP": "कुनै संख्याको वस्तुहरूको सूची सिर्जना गर्नुहोस्।",
+	"LISTS_CREATE_WITH_INPUT_WITH": "यसबाट सूची बनाउनुहोस्",
+	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "सूची",
+	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "यो ब्लकको सूची पुन: मिलाउनलाई खण्डहरू थप्नुहोस्, हटाउनुहोस् वा पुन: क्रमबद्ध गर्नुहोस्।",
+	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "सूचीमा एउटा थप्नुहोस्।",
+	"LISTS_REPEAT_TOOLTIP": "दिइएको मान निर्दिष्ट सङ्ख्यामा दोहोऱ्याएर सूची सिर्जना गर्दछ।",
+	"LISTS_REPEAT_TITLE": "%1 लाई %2 पटक राखेर सूची बनाउनुहोस्",
+	"LISTS_LENGTH_TITLE": "%1 को लम्बाइ",
+	"LISTS_LENGTH_TOOLTIP": "सूचीको लम्बाइ फर्काउँछ।",
+	"LISTS_ISEMPTY_TITLE": "%1 खाली छ",
+	"LISTS_ISEMPTY_TOOLTIP": "यदि सूची खाली छ भने true फर्काउँछ।",
+	"LISTS_INLIST": "सूचीमा",
+	"LISTS_INDEX_OF_FIRST": "पहिलो घटना फेला पार्नुहोस्",
+	"LISTS_INDEX_OF_LAST": "अन्तिम घटना फेला पार्नुहोस्",
+	"LISTS_INDEX_OF_TOOLTIP": "सूचीबाट वस्तुको पहिलो/अन्तिम घटनाको अनुक्रमणिका फर्काउँछ। वस्तु फेला परेन भने %1 फर्काउँछ।",
+	"LISTS_GET_INDEX_GET": "निकाल",
+	"LISTS_GET_INDEX_GET_REMOVE": "निकाल र हटाउ",
+	"PROCEDURES_MUTATORCONTAINER_TITLE": "इन्पुटहरू",
+	"DIALOG_OK": "हुन्छ",
+	"DIALOG_CANCEL": "हुदैन"
+}
diff --git a/msg/json/nl.json b/msg/json/nl.json
index d5ca300deb3..914a8ef8ded 100644
--- a/msg/json/nl.json
+++ b/msg/json/nl.json
@@ -3,6 +3,7 @@
 		"authors": [
 			"Elroy",
 			"Festina90",
+			"HanV",
 			"JaapDeKleine",
 			"Jeleniccz",
 			"Klaas van Buiten",
@@ -22,7 +23,7 @@
 	"VARIABLES_DEFAULT_NAME": "item",
 	"UNNAMED_KEY": "zonder naam",
 	"TODAY": "Vandaag",
-	"DUPLICATE_BLOCK": "Duplicaat",
+	"DUPLICATE_BLOCK": "Dupliceren",
 	"ADD_COMMENT": "Opmerking toevoegen",
 	"REMOVE_COMMENT": "Opmerking verwijderen",
 	"DUPLICATE_COMMENT": "Opmerking dupliceren",
@@ -45,13 +46,14 @@
 	"RENAME_VARIABLE": "Variabele hernoemen...",
 	"RENAME_VARIABLE_TITLE": "Alle variabelen \"%1\" hernoemen naar:",
 	"NEW_VARIABLE": "Variabele maken...",
-	"NEW_STRING_VARIABLE": "Creëer tekstvariabele",
-	"NEW_NUMBER_VARIABLE": "Creëer numeriek variabele",
-	"NEW_COLOUR_VARIABLE": "Creëer kleurvariabele",
-	"NEW_VARIABLE_TYPE_TITLE": "Nieuw soort variabele",
+	"NEW_STRING_VARIABLE": "Tekstvariabele maken...",
+	"NEW_NUMBER_VARIABLE": "Numeriek variabele maken...",
+	"NEW_COLOUR_VARIABLE": "Kleurvariabele maken...",
+	"NEW_VARIABLE_TYPE_TITLE": "Nieuw variabeletype:",
 	"NEW_VARIABLE_TITLE": "Nieuwe variabelenaam:",
 	"VARIABLE_ALREADY_EXISTS": "Er bestaat al een variabele met de naam \"%1\".",
-	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Een variabele met de naam '%1' bestaat al voor een ander soort variabele: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Een variabele met de naam '%1' bestaat al voor een ander variabeletype: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Een variabele met de naam '%1' bestaat al als parameter in de procedure '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "%1 gebruiken van de variabele \"%2\" verwijderen?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "De variabele \"%1\" kan niet verwijderd worden omdat die onderdeel uitmaakt van de definitie van de functie \"%2\"",
 	"DELETE_VARIABLE": "Verwijder de variabele \"%1\"",
@@ -59,13 +61,11 @@
 	"COLOUR_PICKER_TOOLTIP": "Kies een kleur in het palet.",
 	"COLOUR_RANDOM_TITLE": "willekeurige kleur",
 	"COLOUR_RANDOM_TOOLTIP": "Kies een willekeurige kleur.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "kleuren met",
 	"COLOUR_RGB_RED": "rood",
 	"COLOUR_RGB_GREEN": "groen",
 	"COLOUR_RGB_BLUE": "blauw",
 	"COLOUR_RGB_TOOLTIP": "Maak een kleur met de opgegeven hoeveelheid rood, groen en blauw.  Alle waarden moeten tussen 0 en 100 liggen.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "mengen",
 	"COLOUR_BLEND_COLOUR1": "kleur 1",
 	"COLOUR_BLEND_COLOUR2": "kleur 2",
@@ -75,23 +75,19 @@
 	"CONTROLS_REPEAT_TITLE": "%1 keer herhalen",
 	"CONTROLS_REPEAT_INPUT_DO": "voer uit",
 	"CONTROLS_REPEAT_TOOLTIP": "Voer een aantal opdrachten meerdere keren uit.",
-	"CONTROLS_WHILEUNTIL_HELPURL": "https://github.com/google/blockly/wiki/Loops#repeat",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "herhalen zolang",
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "herhalen totdat",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Terwijl een waarde waar is de volgende opdrachten uitvoeren.",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Terwijl een waarde onwaar is de volgende opdrachten uitvoeren.",
-	"CONTROLS_FOR_HELPURL": "https://github.com/google/blockly/wiki/Loops#count-with",
 	"CONTROLS_FOR_TOOLTIP": "Laat de variabele \"%1\" de waarden aannemen van het beginnummer tot het laatste nummer, tellende met het opgegeven interval, en met uitvoering van de opgegeven blokken.",
 	"CONTROLS_FOR_TITLE": "rekenen met %1 van %2 tot %3 in stappen van %4",
 	"CONTROLS_FOREACH_TITLE": "voor ieder item %1 in lijst %2",
 	"CONTROLS_FOREACH_TOOLTIP": "Voor ieder item in een lijst, stel de variabele \"%1\" in op het item en voer daarna opdrachten uit.",
-	"CONTROLS_FLOW_STATEMENTS_HELPURL": "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "uit lus breken",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "doorgaan met de volgende iteratie van de lus",
-	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "uit de bovenliggende lus breken",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Uit de bovenliggende lus breken.",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "De rest van deze lus overslaan en doorgaan met de volgende herhaling.",
 	"CONTROLS_FLOW_STATEMENTS_WARNING": "Waarschuwing: dit blok mag alleen gebruikt worden in een lus.",
-	"CONTROLS_IF_HELPURL": "https://github.com/google/blockly/wiki/IfElse",
 	"CONTROLS_IF_TOOLTIP_1": "Als een waarde waar is, voer dan opdrachten uit.",
 	"CONTROLS_IF_TOOLTIP_2": "Als een waarde waar is, voert dan het eerste blok met opdrachten uit. Voer andere het tweede blok met opdrachten uit.",
 	"CONTROLS_IF_TOOLTIP_3": "Als de eerste waarde waar is, voer dan het eerste blok met opdrachten uit. Voer anders, als de tweede waarde waar is, het tweede blok met opdrachten uit.",
@@ -102,19 +98,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Voeg stukken toe, verwijder of wijzig de volgorde om dit \"als\"-blok te wijzigen.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Voeg een voorwaarde toe aan het als-blok.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Voeg een laatste, vang-alles conditie toe aan het als-statement.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Annuleren",
-	"IOS_ERROR": "Fout",
-	"IOS_PROCEDURES_INPUTS": "INVOER",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Invoer toevoegen",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Statements toestaan",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Deze functie heeft dubbele invoeren.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Variabele toevoegen",
-	"IOS_VARIABLES_ADD_BUTTON": "Toevoegen",
-	"IOS_VARIABLES_RENAME_BUTTON": "Hernoemen",
-	"IOS_VARIABLES_DELETE_BUTTON": "Verwijderen",
-	"IOS_VARIABLES_VARIABLE_NAME": "Variabelenaam",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "U kunt geen lege variabelenaam gebruiken.",
 	"LOGIC_COMPARE_HELPURL": "https://nl.wikipedia.org/wiki/Ongelijkheid_(wiskunde)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Geeft \"waar\", als beide waarden gelijk aan elkaar zijn.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Geeft \"waar\" terug als de waarden niet gelijk zijn aan elkaar.",
@@ -122,33 +105,23 @@
 	"LOGIC_COMPARE_TOOLTIP_LTE": "Geeft \"waar\" terug als de eerste invoer kleiner of gelijk is aan de tweede invoer.",
 	"LOGIC_COMPARE_TOOLTIP_GT": "Geeft \"waar\" terug als de eerste invoer meer is dan de tweede invoer.",
 	"LOGIC_COMPARE_TOOLTIP_GTE": "Geeft \"waar\" terug als de eerste invoer groter is of gelijk aan de tweede invoer.",
-	"LOGIC_OPERATION_HELPURL": "https://github.com/google/blockly/wiki/Logic#logical-operations",
 	"LOGIC_OPERATION_TOOLTIP_AND": "Geeft waar als beide waarden waar zijn.",
 	"LOGIC_OPERATION_AND": "en",
 	"LOGIC_OPERATION_TOOLTIP_OR": "Geeft \"waar\" terug als in ieder geval één van de waarden waar is.",
 	"LOGIC_OPERATION_OR": "of",
-	"LOGIC_NEGATE_HELPURL": "https://github.com/google/blockly/wiki/Logic#not",
 	"LOGIC_NEGATE_TITLE": "niet %1",
 	"LOGIC_NEGATE_TOOLTIP": "Geeft \"waar\" terug als de invoer \"onwaar\" is. Geeft \"onwaar\" als de invoer \"waar\" is.",
-	"LOGIC_BOOLEAN_HELPURL": "https://github.com/google/blockly/wiki/Logic#values",
 	"LOGIC_BOOLEAN_TRUE": "waar",
 	"LOGIC_BOOLEAN_FALSE": "onwaar",
 	"LOGIC_BOOLEAN_TOOLTIP": "Geeft \"waar\" of \"onwaar\" terug.",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "niets",
 	"LOGIC_NULL_TOOLTIP": "Geeft niets terug.",
-	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "test",
 	"LOGIC_TERNARY_IF_TRUE": "als waar",
 	"LOGIC_TERNARY_IF_FALSE": "als onwaar",
 	"LOGIC_TERNARY_TOOLTIP": "Test de voorwaarde in \"test\". Als de voorwaarde \"waar\" is, geef de waarde van \"als waar\" terug; geef anders de waarde van \"als onwaar\" terug.",
-	"MATH_NUMBER_HELPURL": "https://nl.wikipedia.org/wiki/Getal_%28wiskunde%29",
+	"MATH_NUMBER_HELPURL": "https://nl.wikipedia.org/wiki/Getal_(wiskunde)",
 	"MATH_NUMBER_TOOLTIP": "Een getal.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tan",
@@ -179,7 +152,7 @@
 	"MATH_TRIG_TOOLTIP_ACOS": "Geeft de arccosinus van een getal.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Geeft de arctangens van een getal.",
 	"MATH_CONSTANT_HELPURL": "https://nl.wikipedia.org/wiki/Wiskundige_constante",
-	"MATH_CONSTANT_TOOLTIP": "Geeft een van de vaak voorkomende constante waardes:  π (3.141…), e (2.718…), φ (1.618…), √2 (1.414…), √½ (0.707…), of ∞ (oneindig).",
+	"MATH_CONSTANT_TOOLTIP": "Retourneert een van de vaak voorkomende constanten: π (3.141…), e (2.718…), φ (1.618…), √2 (1.414…), √½ (0.707…), of ∞ (oneindig).",
 	"MATH_IS_EVEN": "is even",
 	"MATH_IS_ODD": "is oneven",
 	"MATH_IS_PRIME": "is priemgetal",
@@ -188,7 +161,6 @@
 	"MATH_IS_NEGATIVE": "is negatief",
 	"MATH_IS_DIVISIBLE_BY": "is deelbaar door",
 	"MATH_IS_TOOLTIP": "Test of een getal even, oneven, een priemgetal, geheel, positief of negatief is, of deelbaar is door een bepaald getal. Geeft \"waar\" of \"onwaar\".",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "%1 wijzigen met %2",
 	"MATH_CHANGE_TOOLTIP": "Voegt een getal toe aan variabele \"%1\".",
 	"MATH_ROUND_HELPURL": "https://nl.wikipedia.org/wiki/Afronden",
@@ -223,32 +195,25 @@
 	"MATH_RANDOM_FLOAT_HELPURL": "https://nl.wikipedia.org/wiki/Toevalsgenerator",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "willekeurige fractie",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Geeft een willekeurige fractie tussen 0.0 (inclusief) en 1.0 (exclusief).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 van X:%1 Y:%2",
-	"MATH_ATAN2_TOOLTIP": "Geef de boogtangens van punt (X, Y) terug in graden tussen -180 naar 180.",
-	"TEXT_TEXT_HELPURL": "https://nl.wikipedia.org/wiki/String_%28informatica%29",
+	"MATH_ATAN2_TOOLTIP": "Geef de boogtangens van punt (X, Y) terug in graden tussen -180 en 180.",
+	"TEXT_TEXT_HELPURL": "https://nl.wikipedia.org/wiki/Tekenreeks",
 	"TEXT_TEXT_TOOLTIP": "Een letter, woord of een regel tekst.",
-	"TEXT_JOIN_HELPURL": "https://github.com/google/blockly/wiki/Text#text-creation",
 	"TEXT_JOIN_TITLE_CREATEWITH": "maak tekst met",
 	"TEXT_JOIN_TOOLTIP": "Maakt een stuk tekst door één of meer items samen te voegen.",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "samenvoegen",
 	"TEXT_CREATE_JOIN_TOOLTIP": "Toevoegen, verwijderen of volgorde wijzigen van secties om dit tekstblok opnieuw in te stellen.",
 	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "Voegt een item aan de tekst toe.",
-	"TEXT_APPEND_HELPURL": "https://github.com/google/blockly/wiki/Text#text-modification",
-	"TEXT_APPEND_TITLE": "voor%1 voeg tekst toe van %2",
+	"TEXT_APPEND_TITLE": "voor %1 voeg tekst toe: %2",
 	"TEXT_APPEND_TOOLTIP": "Voeg tekst toe aan de variabele \"%1\".",
-	"TEXT_LENGTH_HELPURL": "https://github.com/google/blockly/wiki/Text#text-modification",
 	"TEXT_LENGTH_TITLE": "lengte van %1",
 	"TEXT_LENGTH_TOOLTIP": "Geeft het aantal tekens terug (inclusief spaties) in de opgegeven tekst.",
-	"TEXT_ISEMPTY_HELPURL": "https://github.com/google/blockly/wiki/Text#checking-for-empty-text",
 	"TEXT_ISEMPTY_TITLE": "%1 is leeg",
 	"TEXT_ISEMPTY_TOOLTIP": "Geeft \"waar\" terug, als de opgegeven tekst leeg is.",
-	"TEXT_INDEXOF_HELPURL": "https://github.com/google/blockly/wiki/Text#finding-text",
 	"TEXT_INDEXOF_TOOLTIP": "Geeft de index terug van het eerste of laatste voorkomen van de eerste tekst in de tweede tekst. Geeft %1 terug als de tekst niet gevonden is.",
 	"TEXT_INDEXOF_TITLE": "in tekst %1 %2 %3",
 	"TEXT_INDEXOF_OPERATOR_FIRST": "zoek eerste voorkomen van tekst",
 	"TEXT_INDEXOF_OPERATOR_LAST": "zoek het laatste voorkomen van tekst",
-	"TEXT_CHARAT_HELPURL": "https://github.com/google/blockly/wiki/Text#extracting-text",
 	"TEXT_CHARAT_TITLE": "in tekst %1 %2",
 	"TEXT_CHARAT_FROM_START": "haal letter # op",
 	"TEXT_CHARAT_FROM_END": "haal letter # op vanaf einde",
@@ -257,7 +222,6 @@
 	"TEXT_CHARAT_RANDOM": "haal willekeurige letter op",
 	"TEXT_CHARAT_TOOLTIP": "Geeft de letter op de opgegeven positie terug.",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "Geeft het opgegeven onderdeel van de tekst terug.",
-	"TEXT_GET_SUBSTRING_HELPURL": "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "in tekst",
 	"TEXT_GET_SUBSTRING_START_FROM_START": "haal subtekst op vanaf letter #",
 	"TEXT_GET_SUBSTRING_START_FROM_END": "haal subtekst op vanaf letter # vanaf einde",
@@ -265,20 +229,16 @@
 	"TEXT_GET_SUBSTRING_END_FROM_START": "naar letter #",
 	"TEXT_GET_SUBSTRING_END_FROM_END": "van letter # tot einde",
 	"TEXT_GET_SUBSTRING_END_LAST": "naar laatste letter",
-	"TEXT_CHANGECASE_HELPURL": "https://github.com/google/blockly/wiki/Text#adjusting-text-case",
 	"TEXT_CHANGECASE_TOOLTIP": "Geef een kopie van de tekst met veranderde hoofdletters terug.",
 	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "naar HOOFDLETTERS",
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "naar kleine letters",
 	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "naar Hoofdletter Per Woord",
-	"TEXT_TRIM_HELPURL": "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces",
 	"TEXT_TRIM_TOOLTIP": "Geeft een kopie van de tekst met verwijderde spaties van één of beide kanten.",
 	"TEXT_TRIM_OPERATOR_BOTH": "spaties van beide kanten afhalen van",
 	"TEXT_TRIM_OPERATOR_LEFT": "spaties van de linkerkant verwijderen van",
 	"TEXT_TRIM_OPERATOR_RIGHT": "spaties van de rechterkant verwijderen van",
-	"TEXT_PRINT_HELPURL": "https://github.com/google/blockly/wiki/Text#printing-text",
 	"TEXT_PRINT_TITLE": "tekst weergeven: %1",
 	"TEXT_PRINT_TOOLTIP": "Drukt de opgegeven tekst, getal of een andere waarde af.",
-	"TEXT_PROMPT_HELPURL": "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user",
 	"TEXT_PROMPT_TYPE_TEXT": "vraagt om invoer met bericht",
 	"TEXT_PROMPT_TYPE_NUMBER": "vraagt de gebruiker om een getal met de tekst",
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Vraagt de gebruiker om een getal in te voeren.",
@@ -289,7 +249,6 @@
 	"TEXT_REPLACE_TOOLTIP": "Vervang alle voorkomens van tekst in een andere tekst.",
 	"TEXT_REVERSE_MESSAGE0": "%1 omkeren",
 	"TEXT_REVERSE_TOOLTIP": "Keert de volgorde van de tekens in de tekst om.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "maak een lege lijst",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Geeft een lijst terug met lengte 0, zonder items",
 	"LISTS_CREATE_WITH_TOOLTIP": "Maak een lijst met een willekeurig aantal items.",
@@ -297,16 +256,13 @@
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "lijst",
 	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "Voeg stukken toe, verwijder ze of wijzig de volgorde om dit lijstblok aan te passen.",
 	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "Voeg iets toe aan de lijst.",
-	"LISTS_REPEAT_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_REPEAT_TOOLTIP": "Maakt een lijst die bestaat uit de opgegeven waarde, het opgegeven aantal keer herhaald.",
 	"LISTS_REPEAT_TITLE": "Maak lijst met item %1, %2 keer herhaald",
-	"LISTS_LENGTH_HELPURL": "https://github.com/google/blockly/wiki/Lists#length-of",
 	"LISTS_LENGTH_TITLE": "lengte van %1",
 	"LISTS_LENGTH_TOOLTIP": "Geeft de lengte van een lijst terug.",
 	"LISTS_ISEMPTY_TITLE": "%1 is leeg",
 	"LISTS_ISEMPTY_TOOLTIP": "Geeft waar terug als de lijst leeg is.",
 	"LISTS_INLIST": "in lijst",
-	"LISTS_INDEX_OF_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list",
 	"LISTS_INDEX_OF_FIRST": "zoek eerste voorkomen van item",
 	"LISTS_INDEX_OF_LAST": "zoek laatste voorkomen van item",
 	"LISTS_INDEX_OF_TOOLTIP": "Geeft de index terug van het eerste of laatste voorkomen van een item in de lijst. Geeft %1 terug als het item niet is gevonden.",
@@ -332,7 +288,6 @@
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST": "Verwijdert het eerste item in een lijst.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST": "Verwijdert het laatste item uit een lijst.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM": "Verwijdert een willekeurig item uit een lijst.",
-	"LISTS_SET_INDEX_HELPURL": "https://github.com/google/blockly/wiki/Lists#in-list--set",
 	"LISTS_SET_INDEX_SET": "stel in",
 	"LISTS_SET_INDEX_INSERT": "tussenvoegen op",
 	"LISTS_SET_INDEX_INPUT_TO": "als",
@@ -344,7 +299,6 @@
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "Voegt het item toe aan het begin van de lijst.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Voeg het item aan het einde van een lijst toe.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "Voegt het item op een willekeurige positie in de lijst in.",
-	"LISTS_GET_SUBLIST_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-a-sublist",
 	"LISTS_GET_SUBLIST_START_FROM_START": "haal sublijst op vanaf positie",
 	"LISTS_GET_SUBLIST_START_FROM_END": "haal sublijst op van positie vanaf einde",
 	"LISTS_GET_SUBLIST_START_FIRST": "haal sublijst op vanaf eerste",
@@ -352,7 +306,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "naar # vanaf einde",
 	"LISTS_GET_SUBLIST_END_LAST": "naar laatste",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Maakt een kopie van het opgegeven deel van de lijst.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "sorteer %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Sorteer een kopie van een lijst.",
 	"LISTS_SORT_ORDER_ASCENDING": "oplopend",
@@ -367,10 +320,8 @@
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Lijst van tekstdelen samenvoegen in één stuk tekst, waarbij de tekstdelen gescheiden zijn door een scheidingsteken.",
 	"LISTS_REVERSE_MESSAGE0": "%1 omkeren",
 	"LISTS_REVERSE_TOOLTIP": "Keert een kopie van een lijst om.",
-	"VARIABLES_GET_HELPURL": "https://github.com/google/blockly/wiki/Variables#get",
 	"VARIABLES_GET_TOOLTIP": "Geeft de waarde van deze variabele.",
 	"VARIABLES_GET_CREATE_SET": "Maak \"verander %1\"",
-	"VARIABLES_SET_HELPURL": "https://github.com/google/blockly/wiki/Variables#set",
 	"VARIABLES_SET": "stel %1 in op %2",
 	"VARIABLES_SET_TOOLTIP": "Verandert de waarde van de variabele naar de waarde van de invoer.",
 	"VARIABLES_SET_CREATE_GET": "Maak 'opvragen van %1'",
@@ -397,9 +348,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Accentueer functiedefinitie",
 	"PROCEDURES_CREATE_DO": "Maak \"%1\"",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Als de eerste waarde \"waar\" is, geef dan de tweede waarde terug.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Waarschuwing: dit blok mag alleen gebruikt worden binnen de definitie van een functie.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Zeg iets...",
 	"WORKSPACE_ARIA_LABEL": "Blockly werkruimte",
-	"COLLAPSED_WARNINGS_WARNING": "Samengevouwen blokken bevatten waarschuwingen."
+	"COLLAPSED_WARNINGS_WARNING": "Samengevouwen blokken bevatten waarschuwingen.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Annuleren"
 }
diff --git a/msg/json/oc.json b/msg/json/oc.json
index 758ae1340c6..0433d1d69ba 100644
--- a/msg/json/oc.json
+++ b/msg/json/oc.json
@@ -1,7 +1,8 @@
 {
 	"@metadata": {
 		"authors": [
-			"Cedric31"
+			"Cedric31",
+			"Unuaiga"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "element",
@@ -9,6 +10,7 @@
 	"DUPLICATE_BLOCK": "Duplicar",
 	"ADD_COMMENT": "Apondre un comentari",
 	"REMOVE_COMMENT": "Suprimir un comentari",
+	"DUPLICATE_COMMENT": "Duplicar lo comentari",
 	"EXTERNAL_INPUTS": "Entradas extèrnas",
 	"INLINE_INPUTS": "Entradas en linha",
 	"DELETE_BLOCK": "Suprimir lo blòt",
@@ -34,6 +36,7 @@
 	"NEW_VARIABLE_TYPE_TITLE": "Novèl tipe de variabla :",
 	"NEW_VARIABLE_TITLE": "Nom de la novèla variabla :",
 	"VARIABLE_ALREADY_EXISTS": "Existís ja una variabla nomenada \"%1\".",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Una variabla nommada '%1' existís ja per un autre tipe ; '%2'.",
 	"DELETE_VARIABLE": "Suprimir la variabla '%1'",
 	"COLOUR_PICKER_HELPURL": "https://oc.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "Causir una color dins la paleta.",
@@ -61,19 +64,6 @@
 	"CONTROLS_IF_MSG_ELSEIF": "siquenon se",
 	"CONTROLS_IF_MSG_ELSE": "siquenon",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Apondre una condicion al blòt 'se'.",
-	"IOS_OK": "D'acòrdi",
-	"IOS_CANCEL": "Anullar",
-	"IOS_ERROR": "Error",
-	"IOS_PROCEDURES_INPUTS": "ENTRADAS",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Apondre una entrada",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Òrdres autorizats",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Aquesta foncion a d'entradas duplicadas.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Apondre una variabla",
-	"IOS_VARIABLES_ADD_BUTTON": "Apondre",
-	"IOS_VARIABLES_RENAME_BUTTON": "Renomenar",
-	"IOS_VARIABLES_DELETE_BUTTON": "Suprimir",
-	"IOS_VARIABLES_VARIABLE_NAME": "Nom de la variabla",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Podètz pas utilizar un nom de variabla void.",
 	"LOGIC_COMPARE_HELPURL": "https://fr.wikipedia.org/wiki/Inegalite_(mathematiques)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Renviar verai se las doas entradas son egalas.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Renviar verai se las doas entradas son diferentas.",
@@ -103,14 +93,12 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Renvia lo logaritme decimal d’un nombre.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Renvia a la poténcia d’un nombre.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Renvia 10 a la poténcia d’un nombre.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "Renvia lo sinus d’un angle en grases (pas en radians).",
 	"MATH_TRIG_TOOLTIP_COS": "Renvia lo cosinus d’un angle en grases (pas en radians).",
 	"MATH_TRIG_TOOLTIP_TAN": "Renvia la tangenta d’un angle en grases (pas en radians).",
 	"MATH_TRIG_TOOLTIP_ASIN": "Renvia l’arcsinus d’un nombre.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Renvia l’arccosinus d’un nombre.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Renvia l’arctangenta d’un nombre.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_IS_EVEN": "es par",
 	"MATH_IS_ODD": "es impar",
 	"MATH_IS_PRIME": "es primièr",
@@ -130,13 +118,9 @@
 	"MATH_ONLIST_OPERATOR_MODE": "majoritaris de la lista",
 	"MATH_ONLIST_OPERATOR_STD_DEV": "escart-tipe de la lista",
 	"MATH_ONLIST_OPERATOR_RANDOM": "element aleatòri de lista",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "residú de %1 ÷ %2",
 	"MATH_CONSTRAIN_TITLE": "constrénher %1 entre %2 e %3",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "fraccion aleatòria",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Una letra, un mot o una linha de tèxte.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "crear un tèxte amb",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "jónher",
@@ -202,9 +186,9 @@
 	"PROCEDURES_CALL_BEFORE_PARAMS": "amb :",
 	"PROCEDURES_DEFRETURN_RETURN": "retorn",
 	"PROCEDURES_ALLOW_STATEMENTS": "autorizar los òrdres",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "entradas",
 	"PROCEDURES_MUTATORARG_TITLE": "nom de l’entrada :",
-	"PROCEDURES_CREATE_DO": "Crear '%1'"
+	"PROCEDURES_CREATE_DO": "Crear '%1'",
+	"DIALOG_OK": "D'acòrdi",
+	"DIALOG_CANCEL": "Anullar"
 }
diff --git a/msg/json/olo.json b/msg/json/olo.json
new file mode 100644
index 00000000000..6067131cb5c
--- /dev/null
+++ b/msg/json/olo.json
@@ -0,0 +1,37 @@
+{
+	"@metadata": {
+		"authors": [
+			"Ilja.mos",
+			"Mashoi7"
+		]
+	},
+	"TODAY": "Tänäpäi",
+	"DUPLICATE_BLOCK": "Kopiiruija",
+	"ADD_COMMENT": "Ližätä kommentarii",
+	"REMOVE_COMMENT": "Poistua kommentarii",
+	"HELP": "Kyzy abuu",
+	"CHANGE_VALUE_TITLE": "Muuttua merkitys:",
+	"COLOUR_RGB_TITLE": "Väri",
+	"COLOUR_RGB_RED": "ruskei",
+	"COLOUR_RGB_GREEN": "vihandu",
+	"COLOUR_RGB_BLUE": "sinine",
+	"COLOUR_BLEND_COLOUR1": "väri 1",
+	"COLOUR_BLEND_COLOUR2": "väri 2",
+	"CONTROLS_REPEAT_INPUT_DO": "rua",
+	"CONTROLS_IF_MSG_IF": "gu",
+	"CONTROLS_IF_MSG_ELSEIF": "sit gu",
+	"CONTROLS_IF_MSG_ELSE": "sit",
+	"LOGIC_OPERATION_AND": "da",
+	"LOGIC_OPERATION_OR": "libo",
+	"LOGIC_BOOLEAN_TRUE": "tozi",
+	"LOGIC_BOOLEAN_FALSE": "valeh",
+	"LOGIC_TERNARY_IF_TRUE": "ollou tozi",
+	"LOGIC_TERNARY_IF_FALSE": "ei olle tozi",
+	"MATH_IS_POSITIVE": "on pozitiivine",
+	"MATH_IS_NEGATIVE": "on negatiivine",
+	"TEXT_TEXT_TOOLTIP": "Kirjain, sana libo riädy tekstua.",
+	"TEXT_JOIN_TITLE_CREATEWITH": "luaji tekstu",
+	"TEXT_CHARAT_FROM_START": "eči kirjain #",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Hylgiä"
+}
diff --git a/msg/json/pa.json b/msg/json/pa.json
new file mode 100644
index 00000000000..e784ddc391b
--- /dev/null
+++ b/msg/json/pa.json
@@ -0,0 +1,69 @@
+{
+	"@metadata": {
+		"authors": [
+			"AnupamM",
+			"Jimidar",
+			"Tow",
+			"ਪ੍ਰਚਾਰਕ"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "ਸਮੱਗਰੀ",
+	"UNNAMED_KEY": "ਬੇਨਾਮ",
+	"TODAY": "ਅੱਜ",
+	"DUPLICATE_BLOCK": "ਨਕਲ",
+	"ADD_COMMENT": "ਟਿੱਪਣੀ ਕਰੋ",
+	"REMOVE_COMMENT": "ਟਿੱਪਣੀ ਹਟਾਉ",
+	"EXTERNAL_INPUTS": "ਬਾਹਰੀ ਇੱਨਪੁੱਟ",
+	"DELETE_BLOCK": "ਬਲਾਕ ਮਿਟਾਉ",
+	"DELETE_X_BLOCKS": "%1 ਬਲਾਕ ਮਿਟਾਉ",
+	"DELETE_ALL_BLOCKS": "ਕੀ ਸਾਰੇ %1 ਬਲਾਕ ਮਿਟਾਉਣੇ ਹਨ?",
+	"CLEAN_UP": "ਬਲਾਕ ਸਾਫ਼ ਕਰੋ",
+	"COLLAPSE_BLOCK": "ਬਲਾਕ ਸਮੇਟੋ",
+	"COLLAPSE_ALL": "ਬਲਾਕਾਂ ਨੂੰ ਸਮੇਟੋ",
+	"EXPAND_BLOCK": "ਬਲਾਕ ਫੈਲਾਉ",
+	"EXPAND_ALL": "ਬਲਾਕਾਂ ਨੂੰ ਫੈਲਾਉ",
+	"DISABLE_BLOCK": "ਬਲਾਕ ਬੰਦ ਕਰੋ",
+	"ENABLE_BLOCK": "ਬਲਾਕ ਚਾਲੂ ਕਰੋ",
+	"HELP": "ਮਦਦ",
+	"UNDO": "ਅਣਕੀਤਾ ਕਰੋ",
+	"REDO": "ਮੁੜ ਕਰੋ",
+	"CHANGE_VALUE_TITLE": "ਮੁੱਲ ਬਦਲੋ:",
+	"COLOUR_PICKER_TOOLTIP": "ਰੰਗ-ਫੱਟੀ ਵਿੱਚੋਂ ਰੰਗ ਚੁਣੋ",
+	"COLOUR_RANDOM_TITLE": "ਰਲ਼ਵਾਂ ਰੰਗ",
+	"COLOUR_RANDOM_TOOLTIP": "ਰਲ਼ਵਾਂ ਰੰਗ ਚੁਣੋ",
+	"COLOUR_RGB_RED": "ਲਾਲ",
+	"COLOUR_RGB_GREEN": "ਹਰਾ",
+	"COLOUR_RGB_BLUE": "ਨੀਲਾ",
+	"COLOUR_RGB_TOOLTIP": "ਰੰਗ ਬਣਾਉਣ ਲਈ ਲਾਲ, ਹਰੇ ਅਤੇ ਨੀਲੇ ਨੂੰ ਨਿਰਧਾਰਿਤ ਮਾਤਰਾ ਵਿੱਚ ਮਿਲਾਓ। ਰਲਾਉਣ ਦੀ ਮਾਤਰਾ ਦਾ ਮੁੱਲ 0 ਤੋਂ 100 ਦੇ ਵਿਚਕਾਰ ਹੀ ਰੱਖੋ।",
+	"COLOUR_BLEND_TITLE": "ਮਿਸ਼ਰਣ ਕਰੋ",
+	"COLOUR_BLEND_COLOUR1": "ਰੰਗ 1",
+	"COLOUR_BLEND_COLOUR2": "ਰੰਗ 2",
+	"COLOUR_BLEND_RATIO": "ਅਨੁਪਾਤ",
+	"COLOUR_BLEND_TOOLTIP": "ਦਿੱਤੇ ਅਨੁਪਾਤ (0.0 - 1.0) ਅਨੁਸਾਰ ਦੋ ਰੰਗ ਮਿਲਾਓ।",
+	"CONTROLS_REPEAT_TITLE": "%1 ਵਾਰੀ ਦੁਹਰਾਉ",
+	"CONTROLS_REPEAT_INPUT_DO": "ਕਰੋ",
+	"CONTROLS_IF_MSG_IF": "ਜੇ",
+	"CONTROLS_IF_MSG_ELSE": "ਹੋਰ",
+	"LOGIC_OPERATION_AND": "ਅਤੇ",
+	"LOGIC_OPERATION_OR": "ਜਾਂ",
+	"LOGIC_BOOLEAN_TRUE": "ਸੱਚ",
+	"LOGIC_BOOLEAN_FALSE": "ਝੂਠ",
+	"LOGIC_NULL": "ਨੱਲ",
+	"LOGIC_NULL_TOOLTIP": "ਨੱਲ ਮੋੜਦਾ ਹੈ।",
+	"LOGIC_TERNARY_CONDITION": "ਟੈਸਟ",
+	"LOGIC_TERNARY_IF_TRUE": "ਜੇ ਸੱਚ",
+	"LOGIC_TERNARY_IF_FALSE": "ਜੇ ਝੂਠ",
+	"MATH_NUMBER_TOOLTIP": "ਇੱਕ ਅੰਕ",
+	"MATH_ARITHMETIC_HELPURL": "https://pa.wikipedia.org/wiki/ਗਿਣਤੀ",
+	"MATH_ARITHMETIC_TOOLTIP_ADD": "ਦੋ ਅੰਕਾੰ ਦਾ ਜੋੜ ਮੋੜੋ।",
+	"MATH_SINGLE_HELPURL": "https://pa.wikipedia.org/wiki/ਵਰਗ_ਮੂਲ",
+	"MATH_SINGLE_OP_ROOT": "ਵਰਗ ਮੂਲ",
+	"MATH_SINGLE_TOOLTIP_ROOT": "ਇੱਕ ਅੰਕ ਦਾ ਵਰਗ ਮੂਲ ਮੋੜੋ।",
+	"LISTS_GET_INDEX_FIRST": "ਪਹਿਲਾ",
+	"LISTS_GET_INDEX_LAST": "ਆਖ਼ਰੀ",
+	"LISTS_GET_INDEX_RANDOM": "ਰਲ਼ਵਾਂ",
+	"LISTS_SORT_ORDER_DESCENDING": "ਘਟਦੇ ਕ੍ਰਮ ਵਿੱਚ",
+	"PROCEDURES_DEFRETURN_RETURN": "ਮੋੜੋ",
+	"DIALOG_OK": "ਠੀਕ ਹੈ।",
+	"DIALOG_CANCEL": "ਰੱਦ ਕਰੋ"
+}
diff --git a/msg/json/pl.json b/msg/json/pl.json
index 245b6e56f12..c94d4875329 100644
--- a/msg/json/pl.json
+++ b/msg/json/pl.json
@@ -22,13 +22,14 @@
 			"WaldiSt",
 			"Wojtas",
 			"Woytecr",
+			"Łukasz3212",
 			"아라"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "element",
 	"UNNAMED_KEY": "bez nazwy",
 	"TODAY": "Dzisiaj",
-	"DUPLICATE_BLOCK": "Powiel",
+	"DUPLICATE_BLOCK": "Duplikat",
 	"ADD_COMMENT": "Dodaj Komentarz",
 	"REMOVE_COMMENT": "Usuń komentarz",
 	"DUPLICATE_COMMENT": "Zduplikowany komentarz",
@@ -58,26 +59,23 @@
 	"NEW_VARIABLE_TITLE": "Nowa nazwa zmiennej:",
 	"VARIABLE_ALREADY_EXISTS": "Zmienna o nazwie '%1' już istnieje.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Zmienna o nazwie '%1' już istnieje i jest typu '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Zmienna o nazwie '%1' już istnieje jako parametr w procedurze '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "Usunąć %1 wystąpień zmiennej '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Nie można usunąć zmiennej '%1', ponieważ jest częścią definicji funkcji '%2'",
 	"DELETE_VARIABLE": "Usuń zmienną '%1'",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "Wybierz kolor z palety.",
 	"COLOUR_RANDOM_TITLE": "losowy kolor",
 	"COLOUR_RANDOM_TOOLTIP": "Wybierz kolor w sposób losowy.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "kolor z",
 	"COLOUR_RGB_RED": "czerwony",
 	"COLOUR_RGB_GREEN": "zielony",
 	"COLOUR_RGB_BLUE": "niebieski",
 	"COLOUR_RGB_TOOLTIP": "Utwórz kolor składający sie z podanej ilości czerwieni, zieleni i błękitu. Zakres wartości: 0 do 100.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "wymieszaj",
 	"COLOUR_BLEND_COLOUR1": "kolor 1",
 	"COLOUR_BLEND_COLOUR2": "kolor 2",
 	"COLOUR_BLEND_RATIO": "proporcja",
 	"COLOUR_BLEND_TOOLTIP": "Miesza dwa kolory w danej proporcji (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "powtórz %1 razy",
 	"CONTROLS_REPEAT_INPUT_DO": "wykonaj",
 	"CONTROLS_REPEAT_TOOLTIP": "Wykonaj niektóre instrukcje kilka razy.",
@@ -104,19 +102,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Dodaj, usuń lub zmień kolejność czynności, żeby zmodyfikować ten klocek „jeśli”.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Dodaj warunek do klocka „jeśli”.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Dodaj ostatni zawsze prawdziwy warunek do klocka „jeśli”.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Anuluj",
-	"IOS_ERROR": "Błąd",
-	"IOS_PROCEDURES_INPUTS": "WEJŚCIA",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Dodaj Wejście",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Zezwalaj na czynności.",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Ta funkcja ma zduplikowane wejścia.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Dodaj Zmienną",
-	"IOS_VARIABLES_ADD_BUTTON": "Dodaj",
-	"IOS_VARIABLES_RENAME_BUTTON": "Zmień nazwę",
-	"IOS_VARIABLES_DELETE_BUTTON": "Usuń",
-	"IOS_VARIABLES_VARIABLE_NAME": "Nazwa zmiennej",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Nie możesz utworzyć funkcji bez nazwy.",
 	"LOGIC_COMPARE_HELPURL": "https://pl.wikipedia.org/wiki/Nierówność",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Zwraca \"prawda\", jeśli wejścia są identyczne.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Zwraca \"prawda\", jeśli wejścia nie są identyczne.",
@@ -133,21 +118,14 @@
 	"LOGIC_BOOLEAN_TRUE": "prawda",
 	"LOGIC_BOOLEAN_FALSE": "fałsz",
 	"LOGIC_BOOLEAN_TOOLTIP": "Zwraca 'prawda' lub 'fałsz'.",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "nic",
 	"LOGIC_NULL_TOOLTIP": "Zwraca nic.",
-	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "test",
 	"LOGIC_TERNARY_IF_TRUE": "jeśli prawda",
 	"LOGIC_TERNARY_IF_FALSE": "jeśli fałsz",
 	"LOGIC_TERNARY_TOOLTIP": "Sprawdź warunek w „test”. Jeśli warunek jest prawdziwy, to zwróci „jeśli prawda”; jeśli nie jest prawdziwy to zwróci „jeśli fałsz”.",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "Liczba.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
 	"MATH_DIVISION_SYMBOL": "/",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tg",
@@ -187,7 +165,6 @@
 	"MATH_IS_NEGATIVE": "jest ujemna",
 	"MATH_IS_DIVISIBLE_BY": "jest podzielna przez",
 	"MATH_IS_TOOLTIP": "Sprawdź, czy liczba jest parzysta, nieparzysta, pierwsza, całkowita, dodatnia, ujemna, lub czy jest podzielna przez podaną liczbę. Zwraca wartość \"prawda\" lub \"fałsz\".",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "zmień %1 o %2",
 	"MATH_CHANGE_TOOLTIP": "Dodaj liczbę do zmiennej '%1'.",
 	"MATH_ROUND_HELPURL": "https://pl.wikipedia.org/wiki/Zaokrąglanie",
@@ -195,7 +172,6 @@
 	"MATH_ROUND_OPERATOR_ROUND": "zaokrąglij",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "zaokrąglij w górę",
 	"MATH_ROUND_OPERATOR_ROUNDDOWN": "zaokrąglij w dół",
-	"MATH_ONLIST_HELPURL": "",
 	"MATH_ONLIST_OPERATOR_SUM": "suma elementów listy",
 	"MATH_ONLIST_TOOLTIP_SUM": "Zwróć sumę wszystkich liczb z listy.",
 	"MATH_ONLIST_OPERATOR_MIN": "minimalna wartość z listy",
@@ -217,13 +193,11 @@
 	"MATH_MODULO_TOOLTIP": "Zwróć resztę z dzielenia dwóch liczb przez siebie.",
 	"MATH_CONSTRAIN_TITLE": "ogranicz %1 z dołu %2 z góry %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Ogranicz liczbę, aby była w określonych granicach (włącznie).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "losowa liczba całkowita od %1 do %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Zwróć losową liczbę całkowitą w ramach dwóch wyznaczonych granic, włącznie.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "losowy ułamek",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Zwróć losowy ułamek między 0.0 (włącznie), a 1.0 (wyłącznie).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
+	"MATH_ATAN2_TITLE": "atan2 z %X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Zwraca arcus tangens punktu (X, Y) w stopniach od -180 do 180.",
 	"TEXT_TEXT_HELPURL": "https://pl.wikipedia.org/wiki/Tekstowy_typ_danych",
 	"TEXT_TEXT_TOOLTIP": "Litera, wyraz lub linia tekstu.",
@@ -248,7 +222,6 @@
 	"TEXT_CHARAT_FIRST": "pobierz pierwszą literę",
 	"TEXT_CHARAT_LAST": "pobierz ostatnią literę",
 	"TEXT_CHARAT_RANDOM": "pobierz losową literę",
-	"TEXT_CHARAT_TAIL": "",
 	"TEXT_CHARAT_TOOLTIP": "Zwraca literę z określonej pozycji.",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "Zwraca określoną część tekstu.",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "w tekście",
@@ -258,7 +231,6 @@
 	"TEXT_GET_SUBSTRING_END_FROM_START": "do # litery",
 	"TEXT_GET_SUBSTRING_END_FROM_END": "do # litery od końca",
 	"TEXT_GET_SUBSTRING_END_LAST": "do ostatniej litery",
-	"TEXT_GET_SUBSTRING_TAIL": "",
 	"TEXT_CHANGECASE_TOOLTIP": "Zwraca kopię tekstu z odwruconą wielkością liter.",
 	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "na WIELKIE LITERY",
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "na małe litery",
@@ -271,17 +243,14 @@
 	"TEXT_PRINT_TOOLTIP": "Wyświetl określony tekst, liczbę lub inną wartość.",
 	"TEXT_PROMPT_TYPE_TEXT": "poproś o tekst z tą wiadomością",
 	"TEXT_PROMPT_TYPE_NUMBER": "poproś o liczbę z tą wiadomością",
-	"TEXT_PROMPT_TOOLTIP_NUMBER": "Zapytaj użytkownika  o liczbę.",
+	"TEXT_PROMPT_TOOLTIP_NUMBER": "Zapytaj użytkownika o liczbę.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Zapytaj użytkownika o jakiś tekst.",
 	"TEXT_COUNT_MESSAGE0": "policz %1 w %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Liczy ile razy dany tekst występuje w innym tekście.",
 	"TEXT_REPLACE_MESSAGE0": "zamień %1 na %2 w %3",
 	"TEXT_REPLACE_TOOLTIP": "Zastąp wszystkie wystąpienia danego tekstu innym.",
 	"TEXT_REVERSE_MESSAGE0": "odwróć %1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "Odwraca kolejność znaków w tekście.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "utwórz pustą listę",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Zwraca listę o długości 0, nie zawierającą danych",
 	"LISTS_CREATE_WITH_TOOLTIP": "Utwórz listę z dowolną ilością elementów.",
@@ -338,9 +307,7 @@
 	"LISTS_GET_SUBLIST_END_FROM_START": "do #",
 	"LISTS_GET_SUBLIST_END_FROM_END": "do # od końca",
 	"LISTS_GET_SUBLIST_END_LAST": "do ostatniego",
-	"LISTS_GET_SUBLIST_TAIL": "",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Tworzy kopię żądanej części listy.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "sortuj %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Sortuj kopię listy.",
 	"LISTS_SORT_ORDER_ASCENDING": "rosnąco",
@@ -355,21 +322,17 @@
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Łączy listę tekstów w jeden tekst, rozdzielany separatorem.",
 	"LISTS_REVERSE_MESSAGE0": "odwróć %1",
 	"LISTS_REVERSE_TOOLTIP": "Odwraca kolejność danych w kopii listy.",
-	"ORDINAL_NUMBER_SUFFIX": "",
 	"VARIABLES_GET_TOOLTIP": "Zwraca wartość tej zmiennej.",
 	"VARIABLES_GET_CREATE_SET": "Utwórz klocek 'ustaw %1'",
 	"VARIABLES_SET": "przypisz %1 wartość %2",
-	"VARIABLES_SET_TOOLTIP": "Wartości zmiennej i  wejście będą identyczne.",
+	"VARIABLES_SET_TOOLTIP": "Wartości zmiennej i wejście będą identyczne.",
 	"VARIABLES_SET_CREATE_GET": "Utwórz klocek 'pobierz %1'",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFNORETURN_TITLE": "do",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "zrób coś",
 	"PROCEDURES_BEFORE_PARAMS": "z:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "z:",
-	"PROCEDURES_DEFNORETURN_DO": "",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Tworzy funkcję nie posiadającą wyjścia.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Opisz tę funkcję...",
-	"PROCEDURES_DEFRETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFRETURN_RETURN": "zwróć",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Tworzy funkcję posiadającą wyjście.",
 	"PROCEDURES_ALLOW_STATEMENTS": "zezwól na czynności",
@@ -387,5 +350,8 @@
 	"PROCEDURES_IFRETURN_TOOLTIP": "Jeśli warunek jest spełniony zwróć drugą wartość.",
 	"PROCEDURES_IFRETURN_WARNING": "Uwaga: Ten klocek może być używany tylko w definicji funkcji.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Powiedz coś...",
-	"COLLAPSED_WARNINGS_WARNING": "Zwinięte bloki zawierają ostrzeżenia."
+	"WORKSPACE_ARIA_LABEL": "Obszar roboczy Blockly",
+	"COLLAPSED_WARNINGS_WARNING": "Zwinięte bloki zawierają ostrzeżenia.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Anuluj"
 }
diff --git a/msg/json/pms.json b/msg/json/pms.json
index c89b503fcc4..0f54aa66533 100644
--- a/msg/json/pms.json
+++ b/msg/json/pms.json
@@ -37,10 +37,10 @@
 	"NEW_VARIABLE_TITLE": "Nòm ëd la neuva variàbil:",
 	"VARIABLE_ALREADY_EXISTS": "Na variàbil con ël nòm '%1' a esist già.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Na variàbil ciamà '%1' a esist già për n'àutra sòrt: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Na variàbil ciamà '%1' a esist già tanme paràmeter ant ël process '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "Eliminé %1 utilisassion ëd la variàbil '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "As peul nen eliminesse la variàbil '%1' përchè a l'é part ëd la definission dla fonsion '%2'",
 	"DELETE_VARIABLE": "Eliminé la variàbil '%1'",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "Serne un color ant la taulòssa.",
 	"COLOUR_RANDOM_TITLE": "color a asar",
 	"COLOUR_RANDOM_TOOLTIP": "Serne un color a asar.",
@@ -54,7 +54,6 @@
 	"COLOUR_BLEND_COLOUR2": "color 2",
 	"COLOUR_BLEND_RATIO": "rapòrt",
 	"COLOUR_BLEND_TOOLTIP": "A mës-cia doi color ansema con un rapòrt dàit (0,0 - 1,0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "arpete %1 vire",
 	"CONTROLS_REPEAT_INPUT_DO": "fé",
 	"CONTROLS_REPEAT_TOOLTIP": "Eseguì chèiche anstrussion vàire vire.",
@@ -81,20 +80,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Gionté, gavé o riordiné le session për cinfiguré torna ës blòch si.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Gionté na condission al blòch si.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Gionté na condission final ch'a cheuj tut al blòch si.",
-	"IOS_OK": "Va bin",
-	"IOS_CANCEL": "Anulé",
-	"IOS_ERROR": "Eror",
-	"IOS_PROCEDURES_INPUTS": "IMISSION",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Gionté n'imission",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Përmëtte le diciairassion",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Costa imission a dj'imission duplicà.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Gionté na variàbil",
-	"IOS_VARIABLES_ADD_BUTTON": "Gionté",
-	"IOS_VARIABLES_RENAME_BUTTON": "Arnominé",
-	"IOS_VARIABLES_DELETE_BUTTON": "Eliminé",
-	"IOS_VARIABLES_VARIABLE_NAME": "Nòm ëd la variàbil",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "A peul nen dovré un nòm ëd variàbil veuid.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Rësponde ver si le doe imission a son uguaj.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Rësponde ver si le doe imission a son nen uguaj.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Rësponde ver si la prima imission a l'é pi cita dla sconda.",
@@ -116,15 +101,18 @@
 	"LOGIC_TERNARY_IF_TRUE": "se ver",
 	"LOGIC_TERNARY_IF_FALSE": "se fàuss",
 	"LOGIC_TERNARY_TOOLTIP": "Controlé la condission an 'preuva'. Se la condission a l'é vera, a rëspond con ël valor 'se ver'; dësnò a rëspond con ël valor 'se fàuss'.",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "Un nùmer.",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "A smon la soma ëd doi nùmer.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "A smon la diferensa dij doi nùmer.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "A smon ël prodot dij doi nùmer.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "A smon ël cossient dij doi nùmer.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "A smon ël prim nùmer alvà a la potensa dël second.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "rèis quadra",
 	"MATH_SINGLE_TOOLTIP_ROOT": "A smon la rèis quadra d'un nùmer.",
 	"MATH_SINGLE_OP_ABSOLUTE": "assolù",
@@ -134,14 +122,12 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "A smon ël logaritm an base 10 d'un nùmer.",
 	"MATH_SINGLE_TOOLTIP_EXP": "A smon e a la potensa d'un nùmer.",
 	"MATH_SINGLE_TOOLTIP_POW10": "A smon 10 a la potensa d'un nùmer.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "A smon ël sen ëd n'àngol an gré (pa an radiant).",
 	"MATH_TRIG_TOOLTIP_COS": "A smon ël cosen ëd n'àngol an gré (pa an radiant).",
 	"MATH_TRIG_TOOLTIP_TAN": "A smon la tangenta ëd n'àngol an gré (pa an radiant).",
 	"MATH_TRIG_TOOLTIP_ASIN": "A smon l'arch-sen d'un nùmer.",
 	"MATH_TRIG_TOOLTIP_ACOS": "A smon l'arch-cosen d'un nùmer.",
 	"MATH_TRIG_TOOLTIP_ATAN": "A smon l'arch-tangenta d'un nùmer.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "A smon un-a dle costante comun-e π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…) o ∞ (infinì).",
 	"MATH_IS_EVEN": "a l'é cobi",
 	"MATH_IS_ODD": "a l'é dëscobi",
@@ -151,10 +137,8 @@
 	"MATH_IS_NEGATIVE": "a l'é negativ",
 	"MATH_IS_DIVISIBLE_BY": "a l'é divisìbil për",
 	"MATH_IS_TOOLTIP": "A contròla si un nùmer a l'é cobi, dëscobi, prim, antreghm positiv, negativ, o s'a l'é divisìbil për un nùmer dàit. A rëspond ver o fàuss.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "ancrementé %1 për %2",
 	"MATH_CHANGE_TOOLTIP": "Gionté un nùmer a la variàbil '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "A arionda un nùmer për difet o ecess.",
 	"MATH_ROUND_OPERATOR_ROUND": "ariondé",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "ariondé për ecess",
@@ -175,21 +159,16 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "A smon la deviassion ëstàndard ëd la lista.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "element a l'ancàpit ëd la lista",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "A smon n'element a l'ancàpit da la lista.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "resta ëd %1:%2",
 	"MATH_MODULO_TOOLTIP": "A smon la resta ëd la division dij doi nùmer.",
 	"MATH_CONSTRAIN_TITLE": "limité %1 antra %2 e %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Limité un nùmer a esse antra le limitassion ëspessificà (comprèise).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "antregh aleatòri antra %1 e %2",
 	"MATH_RANDOM_INT_TOOLTIP": "A smon n'antregh aleatòri antra ij doi lìmit ëspessificà, comprèis.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "frassion aleatòria",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "A smon na frassion aleatòria antra 0,0 (comprèis) e 1,0 (esclus).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 ëd X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "A rëspond con l'arch-tangent dël pont (X, Y) an gre da -180 a 180.",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Na litra, na paròla o na linia ëd test.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "creé ël test con",
 	"TEXT_JOIN_TOOLTIP": "Creé un tòch ëd test an gionzend un nùmer qualsëssìa d'element.",
@@ -236,17 +215,13 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Ciamé un nùmer a l'utent.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Ciamé un test a l'utent.",
 	"TEXT_COUNT_MESSAGE0": "nùmer %1 su %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Conté vàire vire un test dàit a compariss an n'àutr test.",
 	"TEXT_REPLACE_MESSAGE0": "rampiassé %1 con %2 an %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "Rampiassé tute j'ocorense d'un test con n'àutr.",
 	"TEXT_REVERSE_MESSAGE0": "Anversé %1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "Anversé l'òrdin dij caràter ant ël test.",
 	"LISTS_CREATE_EMPTY_TITLE": "creé na lista veuida",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Smon-e na lista, ëd longheur 0, ch'a conten gnun-a argistrassion",
-	"LISTS_CREATE_WITH_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_CREATE_WITH_TOOLTIP": "Creé na lista con un nùmer qualsëssìa d'element.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "creé na lista con",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "lista",
@@ -265,6 +240,7 @@
 	"LISTS_GET_INDEX_GET": "oten-e",
 	"LISTS_GET_INDEX_GET_REMOVE": "oten-e e eliminé",
 	"LISTS_GET_INDEX_REMOVE": "eliminé",
+	"LISTS_GET_INDEX_FROM_START": "n.",
 	"LISTS_GET_INDEX_FROM_END": "# da la fin",
 	"LISTS_GET_INDEX_FIRST": "prim",
 	"LISTS_GET_INDEX_LAST": "ùltim",
@@ -301,7 +277,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "fin-a a # da la fin",
 	"LISTS_GET_SUBLIST_END_LAST": "fin-a a l'ùltim",
 	"LISTS_GET_SUBLIST_TOOLTIP": "A crea na còpia dël tòch ëspessificà ëd na lista.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "ordiné %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Ordiné na còpia ëd na lista.",
 	"LISTS_SORT_ORDER_ASCENDING": "chërsent",
@@ -309,13 +284,11 @@
 	"LISTS_SORT_TYPE_NUMERIC": "numérich",
 	"LISTS_SORT_TYPE_TEXT": "alfabétich",
 	"LISTS_SORT_TYPE_IGNORECASE": "alfabétich, ignorand ël caràter minùscol o majùscol",
-	"LISTS_SPLIT_HELPURL": "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "fé na lista da 'n test",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "fé 'n test da na lista",
 	"LISTS_SPLIT_WITH_DELIMITER": "con ël separator",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Divide un test an na lista ëd test, tajand a minca 'n separator.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Gionze na lista ëd test ant un test sol, separandje con un separator.",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "anversé %1",
 	"LISTS_REVERSE_TOOLTIP": "Anversé na còpia ëd na lista",
 	"VARIABLES_GET_TOOLTIP": "A smon ël valor ëd sa variàbil.",
@@ -333,9 +306,7 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "A crea na fonsion con na surtìa.",
 	"PROCEDURES_ALLOW_STATEMENTS": "përmëtte le diciairassion",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Atension: Costa fonsion a l'ha dij paràmeter duplicà.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Eseguì la fonsion '%1' definìa da l'utent.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Eseguì la fonsion '%1' definìa da l'utent e dovré sò arzultà.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "imission",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Gionté, gavé o riordiné j'imission ëd sa fonsion.",
@@ -344,9 +315,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Sot-ligné la definission dla fonsion",
 	"PROCEDURES_CREATE_DO": "Creé '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Se un valor a l'é ver, antlora smon-e un second valor.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Atension: Ës blòch a podria esse dovrà mach an na definission ëd fonsion.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Dì cheicòs...",
 	"WORKSPACE_ARIA_LABEL": "Spassi ëd travaj ëd Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "Ij blòch sarà a conten-o dj'avertense."
+	"COLLAPSED_WARNINGS_WARNING": "Ij blòch sarà a conten-o dj'avertense.",
+	"DIALOG_OK": "Va bin",
+	"DIALOG_CANCEL": "Anulé"
 }
diff --git a/msg/json/ps.json b/msg/json/ps.json
new file mode 100644
index 00000000000..0cba6ff8653
--- /dev/null
+++ b/msg/json/ps.json
@@ -0,0 +1,50 @@
+{
+	"@metadata": {
+		"authors": [
+			"Ahmed-Najib-Biabani-Ibrahimkhel"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "توکی",
+	"TODAY": "نن",
+	"ADD_COMMENT": "تبصره ورگډول",
+	"REMOVE_COMMENT": "تبصره غورځول",
+	"EXTERNAL_INPUTS": "باندنۍ ننوېستنې",
+	"INLINE_INPUTS": "پرکرښه ننوېستنې",
+	"DELETE_BLOCK": "بلاک ړنگول",
+	"DELETE_X_BLOCKS": "%1 بلاکونه ړنگول",
+	"CLEAN_UP": "بلاکونه پاکول",
+	"COLLAPSE_BLOCK": "بلاک پرځول",
+	"COLLAPSE_ALL": "بلاکونه پرځول",
+	"EXPAND_BLOCK": "بلاک غځول",
+	"EXPAND_ALL": "بلاکونه غځول",
+	"DISABLE_BLOCK": "بلاک ناچارنول",
+	"ENABLE_BLOCK": "بلاک چارنول",
+	"HELP": "لارښود",
+	"UNDO": "ناکړل",
+	"REDO": "بياکړل",
+	"CHANGE_VALUE_TITLE": "ارزښت بدلول:",
+	"COLOUR_PICKER_HELPURL": "https://ps.wikipedia.org/wiki/رنگ",
+	"COLOUR_RANDOM_TITLE": "ناټاکلی رنگ",
+	"COLOUR_RGB_TITLE": "د رنگ سره",
+	"COLOUR_RGB_RED": "سور",
+	"COLOUR_RGB_GREEN": "زرغون",
+	"COLOUR_RGB_BLUE": "شين",
+	"CONTROLS_IF_MSG_IF": "که",
+	"LOGIC_OPERATION_AND": "او",
+	"LOGIC_OPERATION_OR": "يا",
+	"LOGIC_NEGATE_TITLE": "نه %1",
+	"LOGIC_BOOLEAN_TRUE": "سم",
+	"LOGIC_BOOLEAN_FALSE": "ناسم",
+	"LOGIC_TERNARY_CONDITION": "آزمويل",
+	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "په متن کې",
+	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "لړليک",
+	"LISTS_ISEMPTY_TITLE": "%1 تش دی",
+	"LISTS_GET_INDEX_GET": "ترلاسه کول",
+	"LISTS_GET_INDEX_FIRST": "لومړنی",
+	"LISTS_GET_INDEX_LAST": "وروستنی",
+	"LISTS_GET_INDEX_RANDOM": "ناټاکلی",
+	"LISTS_SET_INDEX_INPUT_TO": "لکه",
+	"PROCEDURES_CREATE_DO": "'%1' جوړول",
+	"DIALOG_OK": "ښه",
+	"DIALOG_CANCEL": "ناگارل"
+}
diff --git a/msg/json/pt-br.json b/msg/json/pt-br.json
index 3da9fa7216f..2754c603937 100644
--- a/msg/json/pt-br.json
+++ b/msg/json/pt-br.json
@@ -9,15 +9,19 @@
 			"Cristofer Alves",
 			"EVinente",
 			"Eduardo Addad de Oliveira",
+			"Eduardoaddad",
 			"Espertus",
 			"Fasouzafreitas",
 			"Felipe L. Ewald",
+			"Glaucia Japui Gonçalves",
+			"Lc97",
 			"Lowvy",
 			"Luk3",
 			"Mauricio",
 			"McDutchie",
 			"Mordecaista",
 			"Prilopes",
+			"Re demz",
 			"Rodrigo codignoli",
 			"Rogerio Melfi",
 			"TheGabrielZaum",
@@ -59,12 +63,13 @@
 	"NEW_VARIABLE_TYPE_TITLE": "Tipo da nova variável:",
 	"NEW_VARIABLE_TITLE": "Nome da nova variável:",
 	"VARIABLE_ALREADY_EXISTS": "A variável chamada '%1' já existe.",
-	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Já existe uma variável chamada '%1' para outra do tipo: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Já existe uma variável chamada '%1' para outro tipo: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Já existe uma variável chamada '%1' como parâmetro no procedimento '%2",
 	"DELETE_VARIABLE_CONFIRMATION": "Deletar %1 usos da variável '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Não se pode deletar a variável '%1' porque é parte da definição da função '%2'",
 	"DELETE_VARIABLE": "Deletar a variável '%1'",
 	"COLOUR_PICKER_HELPURL": "https://pt.wikipedia.org/wiki/Cor",
-	"COLOUR_PICKER_TOOLTIP": "Escolher uma cor da palheta de cores.",
+	"COLOUR_PICKER_TOOLTIP": "Escolher uma cor da palheta.",
 	"COLOUR_RANDOM_TITLE": "cor aleatória",
 	"COLOUR_RANDOM_TOOLTIP": "Escolher cor de forma aleatória.",
 	"COLOUR_RGB_TITLE": "colorir com",
@@ -104,19 +109,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Acrescente, remova ou reordene seções para reconfigurar este bloco.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Acrescente uma condição para o bloco se.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Acrescente uma condição final para o bloco se.",
-	"IOS_OK": "Ok",
-	"IOS_CANCEL": "blockly:IOS Cancelar/pt-br",
-	"IOS_ERROR": "Erro",
-	"IOS_PROCEDURES_INPUTS": "ENTRADAS",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Adicionar Entrada",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Permitir declarações",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Essa função tem entradas duplicadas.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Adicionar Variável",
-	"IOS_VARIABLES_ADD_BUTTON": "Adicionar",
-	"IOS_VARIABLES_RENAME_BUTTON": "Blockly:Renomear varioas botoens/pt-br",
-	"IOS_VARIABLES_DELETE_BUTTON": "Deletar",
-	"IOS_VARIABLES_VARIABLE_NAME": "Nome variavel",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Você não pode usar um nome de variável vazio.",
 	"LOGIC_COMPARE_HELPURL": "https://pt.wikipedia.org/wiki/Inequa%C3%A7%C3%A3o",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Retorna verdadeiro se ambas as entradas forem iguais.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Retorna verdadeiro se ambas as entradas forem diferentes.",
@@ -141,6 +133,12 @@
 	"LOGIC_TERNARY_TOOLTIP": "Avalia a condição em \"teste\". Se a condição for verdadeira retorna o valor \"se verdadeiro\", senão retorna o valor \"se falso\".",
 	"MATH_NUMBER_HELPURL": "https://pt.wikipedia.org/wiki/N%C3%BAmero",
 	"MATH_NUMBER_TOOLTIP": "Um número.",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
 	"MATH_ARITHMETIC_HELPURL": "https://pt.wikipedia.org/wiki/Aritm%C3%A9tica",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Retorna a soma dos dois números.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Retorna a diferença entre os dois números.",
@@ -209,7 +207,6 @@
 	"MATH_RANDOM_FLOAT_HELPURL": "https://pt.wikipedia.org/wiki/Gerador_de_n%C3%BAmeros_pseudoaleat%C3%B3rios",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "fração aleatória",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Retorna uma fração aleatória entre 0.0 (inclusivo) e 1.0 (exclusivo).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 de X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Retorne o arco tangente do ponto (X, Y) em graus de -180 a 180.",
 	"TEXT_TEXT_HELPURL": "https://pt.wikipedia.org/wiki/Cadeia_de_caracteres",
@@ -237,7 +234,6 @@
 	"TEXT_CHARAT_RANDOM": "obter letra aleatória",
 	"TEXT_CHARAT_TOOLTIP": "Retorna a letra na posição especificada.",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "Retorna o trecho de texto especificado.",
-	"TEXT_GET_SUBSTRING_HELPURL": "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "no texto",
 	"TEXT_GET_SUBSTRING_START_FROM_START": "obter trecho de letra nº",
 	"TEXT_GET_SUBSTRING_START_FROM_END": "obter trecho de letra nº a partir do final",
@@ -245,49 +241,37 @@
 	"TEXT_GET_SUBSTRING_END_FROM_START": "até letra nº",
 	"TEXT_GET_SUBSTRING_END_FROM_END": "até letra nº a partir do final",
 	"TEXT_GET_SUBSTRING_END_LAST": "até última letra",
-	"TEXT_CHANGECASE_HELPURL": "https://github.com/google/blockly/wiki/Text#adjusting-text-case",
 	"TEXT_CHANGECASE_TOOLTIP": "Retorna uma cópia do texto em um formato diferente.",
 	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "para MAIÚSCULAS",
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "para minúsculas",
 	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "para Nomes Próprios",
-	"TEXT_TRIM_HELPURL": "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces",
 	"TEXT_TRIM_TOOLTIP": "Retorna uma cópia do texto com os espaços removidos de uma ou ambas extremidades.",
 	"TEXT_TRIM_OPERATOR_BOTH": "remover espaços de ambos os lados de",
 	"TEXT_TRIM_OPERATOR_LEFT": "remover espaços à esquerda de",
 	"TEXT_TRIM_OPERATOR_RIGHT": "remover espaços à direita de",
-	"TEXT_PRINT_HELPURL": "https://github.com/google/blockly/wiki/Text#printing-text",
 	"TEXT_PRINT_TITLE": "imprime %1",
 	"TEXT_PRINT_TOOLTIP": "Imprime o texto, número ou valor especificado.",
-	"TEXT_PROMPT_HELPURL": "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user",
 	"TEXT_PROMPT_TYPE_TEXT": "Pede um texto com uma mensagem",
 	"TEXT_PROMPT_TYPE_NUMBER": "Pede um número com uma mensagem",
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Pede ao usuário um número.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Pede ao usuário um texto.",
 	"TEXT_COUNT_MESSAGE0": "Contar %1 em %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Calcule quantas vezes algum texto aparece centro de algum outro texto.",
 	"TEXT_REPLACE_MESSAGE0": "substituir %1 por %2 em %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Texto#substituindo-substrings",
 	"TEXT_REPLACE_TOOLTIP": "Substitua todas as ocorrências de algum texto dentro de algum outro texto.",
 	"TEXT_REVERSE_MESSAGE0": "inverter %1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Texto#invertendo-texto",
 	"TEXT_REVERSE_TOOLTIP": "Inverter a ordem dos caracteres no texto.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "criar lista vazia",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Retorna uma lista, de tamanho 0, contendo nenhum registro",
-	"LISTS_CREATE_WITH_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_CREATE_WITH_TOOLTIP": "Cria uma lista com a quantidade de itens informada.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "criar lista com",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "lista",
 	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "Acrescenta, remove ou reordena seções para reconfigurar este bloco de lista.",
 	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "Acrescenta um item à lista.",
-	"LISTS_REPEAT_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_REPEAT_TOOLTIP": "Cria uma lista consistindo no valor informado repetido o número de vezes especificado.",
 	"LISTS_REPEAT_TITLE": "criar lista com item %1 repetido %2 vezes",
-	"LISTS_LENGTH_HELPURL": "https://github.com/google/blockly/wiki/Lists#length-of",
 	"LISTS_LENGTH_TITLE": "tamanho de %1",
 	"LISTS_LENGTH_TOOLTIP": "Retorna o tamanho de uma lista.",
-	"LISTS_ISEMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#is-empty",
 	"LISTS_ISEMPTY_TITLE": "%1 é vazia",
 	"LISTS_ISEMPTY_TOOLTIP": "Retorna ao verdadeiro se a lista estiver vazia.",
 	"LISTS_INLIST": "na lista",
@@ -327,7 +311,6 @@
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "Insere o item no início de uma lista.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Insere o item no final de uma lista.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "Insere o item em uma posição qualquer de uma lista.",
-	"LISTS_GET_SUBLIST_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-a-sublist",
 	"LISTS_GET_SUBLIST_START_FROM_START": "obtém sublista de nº",
 	"LISTS_GET_SUBLIST_START_FROM_END": "obtém sublista de nº a partir do final",
 	"LISTS_GET_SUBLIST_START_FIRST": "obtém sublista a partir do primeiro",
@@ -335,7 +318,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "até nº a partir do final",
 	"LISTS_GET_SUBLIST_END_LAST": "até último",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Cria uma cópia da porção especificada de uma lista.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "ordenar %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Ordenar uma cópia de uma lista.",
 	"LISTS_SORT_ORDER_ASCENDING": "ascendente",
@@ -343,19 +325,15 @@
 	"LISTS_SORT_TYPE_NUMERIC": "numérico",
 	"LISTS_SORT_TYPE_TEXT": "alfabético",
 	"LISTS_SORT_TYPE_IGNORECASE": "alfabético, ignorar maiúscula/minúscula",
-	"LISTS_SPLIT_HELPURL": "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "Fazer uma lista a partir do texto",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "fazer um texto a partir da lista",
 	"LISTS_SPLIT_WITH_DELIMITER": "com delimitador",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Dividir o texto em uma lista de textos, separando-o em cada delimitador.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Juntar uma lista de textos em um único texto, separado por um delimitador.",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Listas#invertendo-uma-lista",
 	"LISTS_REVERSE_MESSAGE0": "inverter %1",
 	"LISTS_REVERSE_TOOLTIP": "Inverter uma cópia da lista.",
-	"VARIABLES_GET_HELPURL": "https://github.com/google/blockly/wiki/Variables#get",
 	"VARIABLES_GET_TOOLTIP": "Retorna o valor desta variável.",
 	"VARIABLES_GET_CREATE_SET": "Criar \"definir %1\"",
-	"VARIABLES_SET_HELPURL": "https://github.com/google/blockly/wiki/Variables#set",
 	"VARIABLES_SET": "definir %1 para %2",
 	"VARIABLES_SET_TOOLTIP": "Define esta variável para o valor da entrada.",
 	"VARIABLES_SET_CREATE_GET": "Criar \"obter %1\"",
@@ -382,9 +360,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Destacar definição da função",
 	"PROCEDURES_CREATE_DO": "Criar \"%1\"",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Se um valor é verdadeiro, então retorna um valor.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Atenção: Este bloco só pode ser utilizado dentro da definição de uma função.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Diz algo...",
 	"WORKSPACE_ARIA_LABEL": "Espaço de trabalho do Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "Bloqueios recolhidos contêm avisos."
+	"COLLAPSED_WARNINGS_WARNING": "Bloqueios recolhidos contêm avisos.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Cancelar"
 }
diff --git a/msg/json/pt.json b/msg/json/pt.json
index 91db9289186..a024b1b30f1 100644
--- a/msg/json/pt.json
+++ b/msg/json/pt.json
@@ -53,26 +53,25 @@
 	"NEW_VARIABLE_TITLE": "Nome da nova variável:",
 	"VARIABLE_ALREADY_EXISTS": "Já existe uma variável com o nome de '%1'.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Já existe uma variável chamada '%1' para outra do tipo: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Já existe uma variável chamada '%1' como parâmetro no procedimento '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "Eliminar %1 utilizações da variável '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Não se pode eliminar a variável '%1' porque faz parte da definição da função '%2'",
 	"DELETE_VARIABLE": "Eliminar a variável '%1'",
-	"COLOUR_PICKER_HELPURL": "http://pt.wikipedia.org/wiki/Cor",
+	"COLOUR_PICKER_HELPURL": "https://pt.wikipedia.org/wiki/Cor",
 	"COLOUR_PICKER_TOOLTIP": "Escolha uma cor da paleta de cores.",
 	"COLOUR_RANDOM_TITLE": "cor aleatória",
 	"COLOUR_RANDOM_TOOLTIP": "Escolha uma cor aleatoriamente.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "pinte com",
 	"COLOUR_RGB_RED": "vermelho",
 	"COLOUR_RGB_GREEN": "verde",
 	"COLOUR_RGB_BLUE": "azul",
 	"COLOUR_RGB_TOOLTIP": "Cria uma cor de acordo com a quantidade especificada de vermelho, verde e azul. Todos os valores devem estar entre 0 e 100.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "misturar",
 	"COLOUR_BLEND_COLOUR1": "cor 1",
 	"COLOUR_BLEND_COLOUR2": "cor 2",
 	"COLOUR_BLEND_RATIO": "proporção",
 	"COLOUR_BLEND_TOOLTIP": "Mistura duas cores com a proporção indicada (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "http://pt.wikipedia.org/wiki/Estrutura_de_repeti%C3%A7%C3%A3o#Repeti.C3.A7.C3.A3o_com_vari.C3.A1vel_de_controle",
+	"CONTROLS_REPEAT_HELPURL": "https://pt.wikipedia.org/wiki/Estrutura_de_repeti%C3%A7%C3%A3o#Repeti.C3.A7.C3.A3o_com_vari.C3.A1vel_de_controle",
 	"CONTROLS_REPEAT_TITLE": "repetir %1 vez",
 	"CONTROLS_REPEAT_INPUT_DO": "faça",
 	"CONTROLS_REPEAT_TOOLTIP": "Faça algumas instruções várias vezes.",
@@ -99,20 +98,7 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Acrescente, remova ou reordene secções para reconfigurar este bloco se.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Acrescente uma condição ao bloco se.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Acrescente uma condição de excepação final para o bloco se.",
-	"IOS_OK": "Aceitar",
-	"IOS_CANCEL": "Cancelar",
-	"IOS_ERROR": "Erro",
-	"IOS_PROCEDURES_INPUTS": "ENTRADAS",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Adicionar entrada",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Permitir declarações",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Essa função tem entradas duplicadas.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Adicionar Variável",
-	"IOS_VARIABLES_ADD_BUTTON": "Adicionar",
-	"IOS_VARIABLES_RENAME_BUTTON": "Renomear",
-	"IOS_VARIABLES_DELETE_BUTTON": "Eliminar",
-	"IOS_VARIABLES_VARIABLE_NAME": "Nome da variável",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Você não pode usar um nome de variável vazio.",
-	"LOGIC_COMPARE_HELPURL": "http://pt.wikipedia.org/wiki/Inequa%C3%A7%C3%A3o",
+	"LOGIC_COMPARE_HELPURL": "https://pt.wikipedia.org/wiki/Inequa%C3%A7%C3%A3o",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Retorna verdadeiro se ambas as entradas forem iguais entre si.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Retorna verdadeiro se ambas as entradas forem diferentes entre si.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Retorna verdadeiro se a primeira entrada for menor que a segunda entrada.",
@@ -128,34 +114,29 @@
 	"LOGIC_BOOLEAN_TRUE": "verdadeiro",
 	"LOGIC_BOOLEAN_FALSE": "falso",
 	"LOGIC_BOOLEAN_TOOLTIP": "Retorna verdadeiro ou falso.",
-	"LOGIC_NULL_HELPURL": "http://en.wikipedia.org/wiki/Nullable_type",
+	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "nulo",
 	"LOGIC_NULL_TOOLTIP": "Retorna nulo.",
-	"LOGIC_TERNARY_HELPURL": "http://en.wikipedia.org/wiki/%3F:",
+	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "teste",
 	"LOGIC_TERNARY_IF_TRUE": "se verdadeiro",
 	"LOGIC_TERNARY_IF_FALSE": "se falso",
 	"LOGIC_TERNARY_TOOLTIP": "Avalia a condição em \"teste\". Se a condição for verdadeira retorna o valor \"se verdadeiro\", senão retorna o valor \"se falso\".",
-	"MATH_NUMBER_HELPURL": "http://pt.wikipedia.org/wiki/N%C3%BAmero",
+	"MATH_NUMBER_HELPURL": "https://pt.wikipedia.org/wiki/N%C3%BAmero",
 	"MATH_NUMBER_TOOLTIP": "Um número.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tan",
 	"MATH_TRIG_ASIN": "asin",
 	"MATH_TRIG_ACOS": "acos",
 	"MATH_TRIG_ATAN": "atan",
-	"MATH_ARITHMETIC_HELPURL": "http://pt.wikipedia.org/wiki/Aritm%C3%A9tica",
+	"MATH_ARITHMETIC_HELPURL": "https://pt.wikipedia.org/wiki/Aritm%C3%A9tica",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Retorna a soma de dois números.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Retorna a diferença de dois números.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Retorna o produto de dois números.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Retorna o quociente da divisão de dois números.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Retorna o primeiro número elevado à potência do segundo número.",
-	"MATH_SINGLE_HELPURL": "http://pt.wikipedia.org/wiki/Raiz_quadrada",
+	"MATH_SINGLE_HELPURL": "https://pt.wikipedia.org/wiki/Raiz_quadrada",
 	"MATH_SINGLE_OP_ROOT": "raíz quadrada",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Retorna a raiz quadrada de um número.",
 	"MATH_SINGLE_OP_ABSOLUTE": "absoluto",
@@ -165,14 +146,14 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Retorna o logarítmo em base 10 de um número.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Retorna o número e elevado à potência de um número.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Retorna 10 elevado à potência de um número.",
-	"MATH_TRIG_HELPURL": "http://pt.wikipedia.org/wiki/Fun%C3%A7%C3%A3o_trigonom%C3%A9trica",
+	"MATH_TRIG_HELPURL": "https://pt.wikipedia.org/wiki/Fun%C3%A7%C3%A3o_trigonom%C3%A9trica",
 	"MATH_TRIG_TOOLTIP_SIN": "Retorna o seno de um grau (não radiano).",
 	"MATH_TRIG_TOOLTIP_COS": "Retorna o cosseno de um grau (não radiano).",
 	"MATH_TRIG_TOOLTIP_TAN": "Retorna a tangente de um grau (não radiano).",
 	"MATH_TRIG_TOOLTIP_ASIN": "Retorna o arco seno de um número.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Retorna o arco cosseno de um número.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Retorna o arco tangente de um número.",
-	"MATH_CONSTANT_HELPURL": "http://pt.wikipedia.org/wiki/Anexo:Lista_de_constantes_matem%C3%A1ticas",
+	"MATH_CONSTANT_HELPURL": "https://pt.wikipedia.org/wiki/Anexo:Lista_de_constantes_matem%C3%A1ticas",
 	"MATH_CONSTANT_TOOLTIP": "Retorna uma das constantes comuns: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), ou ∞ (infinito).",
 	"MATH_IS_EVEN": "é par",
 	"MATH_IS_ODD": "é impar",
@@ -182,10 +163,10 @@
 	"MATH_IS_NEGATIVE": "é negativo",
 	"MATH_IS_DIVISIBLE_BY": "é divisível por",
 	"MATH_IS_TOOLTIP": "Verifica se um número é par, impar, primo, inteiro, positivo, negativo, ou se é divisível por outro número.  Retorna verdadeiro ou falso.",
-	"MATH_CHANGE_HELPURL": "http://pt.wikipedia.org/wiki/Adi%C3%A7%C3%A3o",
+	"MATH_CHANGE_HELPURL": "https://pt.wikipedia.org/wiki/Adi%C3%A7%C3%A3o",
 	"MATH_CHANGE_TITLE": "alterar %1 por %2",
 	"MATH_CHANGE_TOOLTIP": "Soma um número à variável \"%1\".",
-	"MATH_ROUND_HELPURL": "http://pt.wikipedia.org/wiki/Arredondamento",
+	"MATH_ROUND_HELPURL": "https://pt.wikipedia.org/wiki/Arredondamento",
 	"MATH_ROUND_TOOLTIP": "Arredonda um número para cima ou para baixo.",
 	"MATH_ROUND_OPERATOR_ROUND": "arredonda",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "arredonda para cima",
@@ -206,21 +187,20 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Retorna o desvio padrão dos números da lista.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "item aleatório de uma lista",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Retorna um elemento aleatório da lista.",
-	"MATH_MODULO_HELPURL": "http://pt.wikipedia.org/wiki/Opera%C3%A7%C3%A3o_m%C3%B3dulo",
+	"MATH_MODULO_HELPURL": "https://pt.wikipedia.org/wiki/Opera%C3%A7%C3%A3o_m%C3%B3dulo",
 	"MATH_MODULO_TITLE": "resto da divisão de %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Retorna o resto da divisão de dois números.",
 	"MATH_CONSTRAIN_TITLE": "restringe %1 inferior %2 superior %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Restringe um número entre os limites especificados (inclusive).",
-	"MATH_RANDOM_INT_HELPURL": "http://pt.wikipedia.org/wiki/N%C3%BAmero_aleat%C3%B3rio",
+	"MATH_RANDOM_INT_HELPURL": "https://pt.wikipedia.org/wiki/N%C3%BAmero_aleat%C3%B3rio",
 	"MATH_RANDOM_INT_TITLE": "inteiro aleatório entre %1 e %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Retorna um número inteiro entre os dois limites especificados, inclusive.",
-	"MATH_RANDOM_FLOAT_HELPURL": "http://pt.wikipedia.org/wiki/N%C3%BAmero_aleat%C3%B3rio",
+	"MATH_RANDOM_FLOAT_HELPURL": "https://pt.wikipedia.org/wiki/N%C3%BAmero_aleat%C3%B3rio",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "fração aleatória",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Insere uma fração aleatória entre 0.0 (inclusive) e 1.0 (exclusive).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 de X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Devolver o arco tangente do ponto (X, Y) em graus entre -180 e 180.",
-	"TEXT_TEXT_HELPURL": "http://pt.wikipedia.org/wiki/Cadeia_de_caracteres",
+	"TEXT_TEXT_HELPURL": "https://pt.wikipedia.org/wiki/Cadeia_de_caracteres",
 	"TEXT_TEXT_TOOLTIP": "Uma letra, palavra ou linha de texto.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "criar texto com",
 	"TEXT_JOIN_TOOLTIP": "Criar um pedaço de texto juntando qualquer número de itens.",
@@ -267,15 +247,11 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Pede ao utilizador um número.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Pede ao utilizador um texto.",
 	"TEXT_COUNT_MESSAGE0": "contar %1 em %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Conte quantas vezes um certo texto aparece dentro de algum outro texto.",
 	"TEXT_REPLACE_MESSAGE0": "substituir %1 por %2 em %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "Substituir todas as ocorrências de um certo texto dentro de algum outro texto.",
 	"TEXT_REVERSE_MESSAGE0": "inverter %1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "Inverte a ordem dos caracteres no texto.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "criar lista vazia",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Retorna uma lista, de tamanho 0, contendo nenhum registo",
 	"LISTS_CREATE_WITH_TOOLTIP": "Cria uma lista com qualquer número de itens.",
@@ -333,7 +309,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "até #, a partir do final",
 	"LISTS_GET_SUBLIST_END_LAST": "para o último",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Cria uma cópia da porção especificada de uma lista.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "ordenar %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Ordenar uma cópia de uma lista.",
 	"LISTS_SORT_ORDER_ASCENDING": "ascendente",
@@ -346,7 +321,6 @@
 	"LISTS_SPLIT_WITH_DELIMITER": "com delimitador",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Dividir o texto numa lista de textos, separando-o em cada delimitador.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Juntar uma lista de textos num único texto, separado por um delimitador.",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "inverter %1",
 	"LISTS_REVERSE_TOOLTIP": "Inverter uma cópia da lista.",
 	"VARIABLES_GET_TOOLTIP": "Retorna o valor desta variável.",
@@ -354,14 +328,12 @@
 	"VARIABLES_SET": "definir %1 para %2",
 	"VARIABLES_SET_TOOLTIP": "Define esta variável para o valor inserido.",
 	"VARIABLES_SET_CREATE_GET": "Criar \"obter %1\"",
-	"PROCEDURES_DEFNORETURN_HELPURL": "http://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFNORETURN_TITLE": "para",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "faz algo",
 	"PROCEDURES_BEFORE_PARAMS": "com:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "com:",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Cria uma função que não tem retorno.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Descreva esta função...",
-	"PROCEDURES_DEFRETURN_HELPURL": "http://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFRETURN_RETURN": "retorna",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Cria uma função que possui um valor de retorno.",
 	"PROCEDURES_ALLOW_STATEMENTS": "permitir declarações",
@@ -380,5 +352,7 @@
 	"PROCEDURES_IFRETURN_WARNING": "Aviso: Este bloco só pode ser utilizado dentro da definição de uma função.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Diz algo...",
 	"WORKSPACE_ARIA_LABEL": "Espaço de trabalho de Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "Os blocos ocultados contêm avisos."
+	"COLLAPSED_WARNINGS_WARNING": "Os blocos ocultados contêm avisos.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Cancelar"
 }
diff --git a/msg/json/qqq.json b/msg/json/qqq.json
index f2b7d17236c..fcd8897bd04 100644
--- a/msg/json/qqq.json
+++ b/msg/json/qqq.json
@@ -1,4 +1,16 @@
 {
+	"@metadata": {
+		"authors": [
+			"Ajeje Brazorf",
+			"Amire80",
+			"Espertus",
+			"Liuxinyu970226",
+			"Metalhead64",
+			"Nike",
+			"Robby",
+			"Shirayuki"
+		]
+	},
 	"VARIABLES_DEFAULT_NAME": "default name - A simple, general default name for a variable, preferably short. For more context, see [[Translating:Blockly#infrequent_message_types]].\n{{Identical|Item}}",
 	"UNNAMED_KEY": "default name - A simple, default name for an unnamed function or variable. Preferably indicates that the item is unnamed.",
 	"TODAY": "button text - Button that sets a calendar to today's date.\n{{Identical|Today}}",
@@ -21,7 +33,7 @@
 	"HELP": "context menu - Provide helpful information about the selected block.\n{{Identical|Help}}",
 	"UNDO": "context menu - Undo the previous action.\n{{Identical|Undo}}",
 	"REDO": "context menu - Undo the previous undo action.\n{{Identical|Redo}}",
-	"CHANGE_VALUE_TITLE": "prompt - This message is only seen in the Opera browser.  With most browsers, users can edit numeric values in blocks by just clicking and typing.  Opera does not allows this, so we have to open a new window and prompt users with this message to chanage a value.",
+	"CHANGE_VALUE_TITLE": "prompt - This message is seen on mobile devices and the Opera browser.  With most browsers, users can edit numeric values in blocks by just clicking and typing.  Opera does not allow this and mobile browsers may have issues with in-line textareas. So we prompt users with this message (usually a popup) to change a value.",
 	"RENAME_VARIABLE": "dropdown choice - When the user clicks on a variable block, this is one of the dropdown menu choices.  It is used to rename the current variable.  See [https://github.com/google/blockly/wiki/Variables#dropdown-menu https://github.com/google/blockly/wiki/Variables#dropdown-menu].",
 	"RENAME_VARIABLE_TITLE": "prompt - Prompts the user to enter the new name for the selected variable.  See [https://github.com/google/blockly/wiki/Variables#dropdown-menu https://github.com/google/blockly/wiki/Variables#dropdown-menu].\n\nParameters:\n* %1 - the name of the variable to be renamed.",
 	"NEW_VARIABLE": "button text - Text on the button used to launch the variable creation dialogue.",
@@ -32,7 +44,8 @@
 	"NEW_VARIABLE_TITLE": "prompt - Prompts the user to enter the name for a new variable.  See [https://github.com/google/blockly/wiki/Variables#dropdown-menu https://github.com/google/blockly/wiki/Variables#dropdown-menu].",
 	"VARIABLE_ALREADY_EXISTS": "alert - Tells the user that the name they entered is already in use.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "alert - Tells the user that the name they entered is already in use for another type.",
-	"DELETE_VARIABLE_CONFIRMATION": "confirm -  Ask the user to confirm their deletion of multiple uses of a variable.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "alert - Tells the user that the name they entered is already in use as a parameter to a procedure, that the variable they are renaming also exists on. Renaming would create two parameters with the same name, which is not allowed.",
+	"DELETE_VARIABLE_CONFIRMATION": "confirm - Ask the user to confirm their deletion of multiple uses of a variable.",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "alert - Tell the user that they can't delete a variable because it's part of the definition of a function.",
 	"DELETE_VARIABLE": "dropdown choice - Delete the currently selected variable.",
 	"COLOUR_PICKER_HELPURL": "{{Optional}} url - Information about colour.",
@@ -84,19 +97,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "tooltip - Describes [https://github.com/google/blockly/wiki/IfElse#block-modification if block modification].",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "tooltip - Describes the 'else if' subblock during [https://github.com/google/blockly/wiki/IfElse#block-modification if block modification].",
 	"CONTROLS_IF_ELSE_TOOLTIP": "tooltip - Describes the 'else' subblock during [https://github.com/google/blockly/wiki/IfElse#block-modification if block modification].",
-	"IOS_OK": "button text - Text on a button inside a dialogue window, which will accept or acknowledge the contents of the dialogue when pressed.\n{{Identical|OK}}",
-	"IOS_CANCEL": "button text - Text on a button inside a dialogue window, which will close or cancel the dialogue when pressed.\n{{Identical|Cancel}}",
-	"IOS_ERROR": "alert - Title text for an error dialogue.\n{{Identical|Error}}",
-	"IOS_PROCEDURES_INPUTS": "header text - Title of a section that displays a list of parameters (aka. 'inputs') that have been defined for a procedure. This is used inside a dialogue window to configure a procedure.\n{{Identical|Input}}",
-	"IOS_PROCEDURES_ADD_INPUT": "button text - Text on a button which will add a parameter (aka. 'input') to a procedure. This is used inside a dialogue window to configure a procedure. NOTE: The '+' should be preserved at the beginning of the text.",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "option text - Text describing an option to allow statements to be added within a procedure. This is used inside a dialogue window to configure a procedure.",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "alert - Error message when duplicate parameters (aka. 'inputs') have been defined on a procedure. This is used inside a dialogue window to configure procedure parameters.",
-	"IOS_VARIABLES_ADD_VARIABLE": "button text - Text on a button which will open a variable creation dialogue when pressed. NOTE: The '+' should be preserved at the beginning of the text.",
-	"IOS_VARIABLES_ADD_BUTTON": "button text - Text on a button inside a variable creation dialogue, which will add a variable when pressed.\n{{Identical|Add}}",
-	"IOS_VARIABLES_RENAME_BUTTON": "button text - Text on a button inside a variable rename dialogue, which will rename a variable when pressed.\n{{Identical|Rename}}",
-	"IOS_VARIABLES_DELETE_BUTTON": "button text - Text on a button inside a variable deletion dialogue, which will delete a variable when pressed.\n{{Identical|Delete}}",
-	"IOS_VARIABLES_VARIABLE_NAME": "placeholder text - Placeholder text used inside a text input, where a variable name should be entered.",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "alert - Error message that is displayed when the user attempts to create a variable without a name.",
 	"LOGIC_COMPARE_HELPURL": "{{Optional}} url - Information about comparisons.",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "tooltip - Describes the equals (=) block.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "tooltip - Describes the not equals (≠) block.",
@@ -164,7 +164,7 @@
 	"MATH_CONSTANT_TOOLTIP": "tooltip - Provides the specified [https://en.wikipedia.org/wiki/Mathematical_constant mathematical constant].",
 	"MATH_IS_EVEN": "dropdown - A number is '''even''' if it is a multiple of 2.  For example, 4 is even (yielding true), but 3 is not (false).",
 	"MATH_IS_ODD": "dropdown - A number is '''odd''' if it is not a multiple of 2.  For example, 3 is odd (yielding true), but 4 is not (false).  The opposite of 'odd' is 'even'.",
-	"MATH_IS_PRIME": "dropdown - A number is [https://en.wikipedia.org/wiki/Prime prime] if it cannot be evenly divided by any positive integers except for 1 and itself.  For example, 5 is prime, but 6 is not because 2 × 3 = 6.",
+	"MATH_IS_PRIME": "dropdown - A number is [https://en.wikipedia.org/wiki/Prime_number prime] if it cannot be evenly divided by any positive integers except for 1 and itself.  For example, 5 is prime, but 6 is not because 2 × 3 = 6.",
 	"MATH_IS_WHOLE": "dropdown - A number is '''whole''' if it is an [https://en.wikipedia.org/wiki/Integer integer].  For example, 5 is whole, but 5.1 is not.",
 	"MATH_IS_POSITIVE": "dropdown - A number is '''positive''' if it is greater than 0.  (0 is neither negative nor positive.)",
 	"MATH_IS_NEGATIVE": "dropdown - A number is '''negative''' if it is less than 0.  (0 is neither negative nor positive.)",
@@ -189,7 +189,7 @@
 	"MATH_ONLIST_TOOLTIP_AVERAGE": "tooltip - See [https://en.wikipedia.org/wiki/Arithmetic_mean https://en.wikipedia.org/wiki/Arithmetic_mean] for more informatin.",
 	"MATH_ONLIST_OPERATOR_MEDIAN": "dropdown - This finds the [https://en.wikipedia.org/wiki/Median median] of the numeric values in a list.  For example, the median of the list {1, 2, 7, 12, 13} is 7.",
 	"MATH_ONLIST_TOOLTIP_MEDIAN": "tooltip - See [https://en.wikipedia.org/wiki/Median median https://en.wikipedia.org/wiki/Median median] for more information.",
-	"MATH_ONLIST_OPERATOR_MODE": "dropdown - This finds the most common numbers ([https://en.wikipedia.org/wiki/Mode_(statistics) modes]) in a list.  For example, the modes of the list {1, 3, 9, 3, 9}  are {3, 9}.",
+	"MATH_ONLIST_OPERATOR_MODE": "dropdown - This finds the most common numbers ([https://en.wikipedia.org/wiki/Mode_(statistics) modes]) in a list.  For example, the modes of the list {1, 3, 9, 3, 9} are {3, 9}.",
 	"MATH_ONLIST_TOOLTIP_MODE": "tooltip - See [https://en.wikipedia.org/wiki/Mode_(statistics) https://en.wikipedia.org/wiki/Mode_(statistics)] for more information.",
 	"MATH_ONLIST_OPERATOR_STD_DEV": "dropdown - This finds the [https://en.wikipedia.org/wiki/Standard_deviation standard deviation] of the numeric values in a list.",
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "tooltip - See [https://en.wikipedia.org/wiki/Standard_deviation https://en.wikipedia.org/wiki/Standard_deviation] for more information.",
@@ -239,7 +239,7 @@
 	"TEXT_CHARAT_FIRST": "block text - Indicates that the first letter of the following piece of text should be retrieved.  See [https://github.com/google/blockly/wiki/Text#extracting-a-single-character https://github.com/google/blockly/wiki/Text#extracting-a-single-character]. [[File:Blockly-text-get.png]]",
 	"TEXT_CHARAT_LAST": "block text - Indicates that the last letter (or number, punctuation mark, etc.) of the following piece of text should be retrieved.  See [https://github.com/google/blockly/wiki/Text#extracting-a-single-character https://github.com/google/blockly/wiki/Text#extracting-a-single-character]. [[File:Blockly-text-get.png]]",
 	"TEXT_CHARAT_RANDOM": "block text - Indicates that any letter (or number, punctuation mark, etc.) in the following piece of text should be randomly selected.  See [https://github.com/google/blockly/wiki/Text#extracting-a-single-character https://github.com/google/blockly/wiki/Text#extracting-a-single-character]. [[File:Blockly-text-get.png]]",
-	"TEXT_CHARAT_TAIL": "block text - Text that goes after the rightmost block/dropdown when getting a single letter from a piece of text, as in [https://blockly-demo.appspot.com/static/apps/code/index.html#3m23km these blocks] or shown below.  For most languages, this will be blank. [[File:Blockly-text-get.png]]",
+	"TEXT_CHARAT_TAIL": "{{Optional|Supply translation only if your language requires it.  Most do not.}} block text - Text that goes after the rightmost block/dropdown when getting a single letter from a piece of text, as in [https://blockly-demo.appspot.com/static/apps/code/index.html#3m23km these blocks] or shown below.  For most languages, this will be blank. [[File:Blockly-text-get.png]]",
 	"TEXT_CHARAT_TOOLTIP": "tooltip - See [https://github.com/google/blockly/wiki/Text#extracting-a-single-character https://github.com/google/blockly/wiki/Text#extracting-a-single-character]. [[File:Blockly-text-get.png]]",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "See [https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text].",
 	"TEXT_GET_SUBSTRING_HELPURL": "{{Optional}} url - Information about extracting characters from text.  Reminder: urls are the lowest priority translations.  Feel free to skip.",
@@ -250,7 +250,7 @@
 	"TEXT_GET_SUBSTRING_END_FROM_START": "dropdown - Indicates that the following number specifies the position (relative to the start position) of the end of the region of text that should be obtained from the preceding piece of text.  See [https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text]. [[File:Blockly-get-substring.png]]",
 	"TEXT_GET_SUBSTRING_END_FROM_END": "dropdown - Indicates that the following number specifies the position (relative to the end position) of the end of the region of text that should be obtained from the preceding piece of text.  See [https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text]. [[File:Blockly-get-substring.png]]",
 	"TEXT_GET_SUBSTRING_END_LAST": "block text - Indicates that a region ending with the last letter of the preceding piece of text should be extracted.  See [https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text]. [[File:Blockly-get-substring.png]]",
-	"TEXT_GET_SUBSTRING_TAIL": "block text - Text that should go after the rightmost block/dropdown when [https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text extracting a region of text].  In most languages, this will be the empty string. [[File:Blockly-get-substring.png]]",
+	"TEXT_GET_SUBSTRING_TAIL": "{{Optional|Supply translation only if your language requires it.  Most do not.}} block text - Text that should go after the rightmost block/dropdown when [https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text extracting a region of text].  In most languages, this will be the empty string. [[File:Blockly-get-substring.png]]",
 	"TEXT_CHANGECASE_HELPURL": "{{Optional}} url - Information about the case of letters (upper-case and lower-case).",
 	"TEXT_CHANGECASE_TOOLTIP": "tooltip - Describes a block to adjust the case of letters.  For more information on this block, see [https://github.com/google/blockly/wiki/Text#adjusting-text-case https://github.com/google/blockly/wiki/Text#adjusting-text-case].",
 	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "block text - Indicates that all of the letters in the following piece of text should be capitalized.  If your language does not use case, you may indicate that this is not applicable to your language.  For more information on this block, see [https://github.com/google/blockly/wiki/Text#adjusting-text-case https://github.com/google/blockly/wiki/Text#adjusting-text-case].",
@@ -288,7 +288,7 @@
 	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "tooltip - See [https://github.com/google/blockly/wiki/Lists#changing-number-of-inputs https://github.com/google/blockly/wiki/Lists#changing-number-of-inputs].",
 	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "tooltip - See [https://github.com/google/blockly/wiki/Lists#changing-number-of-inputs https://github.com/google/blockly/wiki/Lists#changing-number-of-inputs].",
 	"LISTS_REPEAT_HELPURL": "{{Optional}} url - Information about [https://github.com/google/blockly/wiki/Lists#create-list-with creating a list with multiple copies of a single item].",
-	"LISTS_REPEAT_TOOLTIP": "{{Optional}} url - See [https://github.com/google/blockly/wiki/Lists#create-list-with creating a list with multiple copies of a single item].",
+	"LISTS_REPEAT_TOOLTIP": "tooltip - See [https://github.com/google/blockly/wiki/Lists#create-list-with creating a list with multiple copies of a single item].",
 	"LISTS_REPEAT_TITLE": "block text - See [https://github.com/google/blockly/wiki/Lists#create-list-with https://github.com/google/blockly/wiki/Lists#create-list-with]. \n\nParameters:\n* %1 - the item (text) to be repeated\n* %2 - the number of times to repeat it",
 	"LISTS_LENGTH_HELPURL": "{{Optional}} url - Information about how the length of a list is computed (i.e., by the total number of elements, not the number of different elements).",
 	"LISTS_LENGTH_TITLE": "block text - See [https://github.com/google/blockly/wiki/Lists#length-of https://github.com/google/blockly/wiki/Lists#length-of]. \n\nParameters:\n* %1 - the list whose length is desired",
@@ -297,10 +297,11 @@
 	"LISTS_ISEMPTY_TITLE": "block text - See [https://github.com/google/blockly/wiki/Lists#is-empty https://github.com/google/blockly/wiki/Lists#is-empty]. \n\nParameters:\n* %1 - the list to test",
 	"LISTS_ISEMPTY_TOOLTIP": "block tooltip - See [https://github.com/google/blockly/wiki/Lists#is-empty https://github.com/google/blockly/wiki/Lists#is-empty].",
 	"LISTS_INLIST": "block text - Title of blocks operating on [https://github.com/google/blockly/wiki/Lists lists].",
-	"LISTS_INDEX_OF_HELPURL": "{{Optional}} url - See [https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list].",
+	"LISTS_INDEX_OF_HELPURL": "{{Optional}} url - See [https://github.com/google/blockly/wiki/Lists#finding-items-in-a-list https://github.com/google/blockly/wiki/Lists#finding-items-in-a-list].",
 	"LISTS_INDEX_OF_FIRST": "dropdown - See [https://github.com/google/blockly/wiki/Lists#finding-items-in-a-list Lists#finding-items-in-a-list]. [[File:Blockly-list-find.png]]",
 	"LISTS_INDEX_OF_LAST": "dropdown - See [https://github.com/google/blockly/wiki/Lists#finding-items-in-a-list https://github.com/google/blockly/wiki/Lists#finding-items-in-a-list]. [[File:Blockly-list-find.png]]",
 	"LISTS_INDEX_OF_TOOLTIP": "tooltip - %1 will be replaced by either the number 0 or -1 depending on the indexing mode.  See [https://github.com/google/blockly/wiki/Lists#finding-items-in-a-list https://github.com/google/blockly/wiki/Lists#finding-items-in-a-list]. [[File:Blockly-list-find.png]]",
+	"LISTS_GET_INDEX_HELPURL": "{{Optional}} url - See [https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list].",
 	"LISTS_GET_INDEX_GET": "dropdown - Indicates that the user wishes to [https://github.com/google/blockly/wiki/Lists#getting-a-single-item get an item from a list] without removing it from the list.",
 	"LISTS_GET_INDEX_GET_REMOVE": "dropdown - Indicates that the user wishes to [https://github.com/google/blockly/wiki/Lists#getting-a-single-item get and remove an item from a list], as opposed to merely getting it without modifying the list.",
 	"LISTS_GET_INDEX_REMOVE": "dropdown - Indicates that the user wishes to [https://github.com/google/blockly/wiki/Lists#removing-an-item remove an item from a list].\n{{Identical|Remove}}",
@@ -309,7 +310,7 @@
 	"LISTS_GET_INDEX_FIRST": "dropdown - Indicates that the '''first''' item should be [https://github.com/google/blockly/wiki/Lists#getting-a-single-item accessed in a list]. [[File:Blockly-list-get-item.png]]",
 	"LISTS_GET_INDEX_LAST": "dropdown - Indicates that the '''last''' item should be [https://github.com/google/blockly/wiki/Lists#getting-a-single-item accessed in a list]. [[File:Blockly-list-get-item.png]]",
 	"LISTS_GET_INDEX_RANDOM": "dropdown - Indicates that a '''random''' item should be [https://github.com/google/blockly/wiki/Lists#getting-a-single-item accessed in a list]. [[File:Blockly-list-get-item.png]]",
-	"LISTS_GET_INDEX_TAIL": "block text - Text that should go after the rightmost block/dropdown when [https://github.com/google/blockly/wiki/Lists#getting-a-single-item accessing an item from a list].  In most languages, this will be the empty string. [[File:Blockly-list-get-item.png]]",
+	"LISTS_GET_INDEX_TAIL": "{{Optional|Supply translation only if your language requires it.  Most do not.}} block text - Text that should go after the rightmost block/dropdown when [https://github.com/google/blockly/wiki/Lists#getting-a-single-item accessing an item from a list].  In most languages, this will be the empty string. [[File:Blockly-list-get-item.png]]",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "tooltip - Indicates the ordinal number that the first item in a list is referenced by.  %1 will be replaced by either '#0' or '#1' depending on the indexing mode.",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "tooltip - Indicates the ordinal number that the last item in a list is referenced by.  %1 will be replaced by either '#0' or '#1' depending on the indexing mode.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "tooltip - See [https://github.com/google/blockly/wiki/Lists#getting-a-single-item https://github.com/google/blockly/wiki/Lists#getting-a-single-item] for more information.",
@@ -343,7 +344,7 @@
 	"LISTS_GET_SUBLIST_END_FROM_START": "dropdown - Indicates that an index relative to the front of the list should be used to specify the end of the range from which to [https://github.com/google/blockly/wiki/Lists#getting-a-sublist get a sublist]. [[File:Blockly-get-sublist.png]]",
 	"LISTS_GET_SUBLIST_END_FROM_END": "dropdown - Indicates that an index relative to the end of the list should be used to specify the end of the range from which to [https://github.com/google/blockly/wiki/Lists#getting-a-sublist get a sublist]. [[File:Blockly-get-sublist.png]]",
 	"LISTS_GET_SUBLIST_END_LAST": "dropdown - Indicates that the '''last''' item in the given list should be [https://github.com/google/blockly/wiki/Lists#getting-a-sublist the end of the selected sublist]. [[File:Blockly-get-sublist.png]]",
-	"LISTS_GET_SUBLIST_TAIL": "block text - This appears in the rightmost position ('tail') of the sublist block, as described at [https://github.com/google/blockly/wiki/Lists#getting-a-sublist https://github.com/google/blockly/wiki/Lists#getting-a-sublist]. In English and most other languages, this is the empty string. [[File:Blockly-get-sublist.png]]",
+	"LISTS_GET_SUBLIST_TAIL": "{{Optional|Supply translation only if your language requires it.  Most do not.}} block text - This appears in the rightmost position ('tail') of the sublist block, as described at [https://github.com/google/blockly/wiki/Lists#getting-a-sublist https://github.com/google/blockly/wiki/Lists#getting-a-sublist]. In English and most other languages, this is the empty string. [[File:Blockly-get-sublist.png]]",
 	"LISTS_GET_SUBLIST_TOOLTIP": "tooltip - See [https://github.com/google/blockly/wiki/Lists#getting-a-sublist https://github.com/google/blockly/wiki/Lists#getting-a-sublist] for more information. [[File:Blockly-get-sublist.png]]",
 	"LISTS_SORT_HELPURL": "{{Optional}} url - Information describing sorting a list.",
 	"LISTS_SORT_TITLE": "Sort as type %1 (numeric or alphabetic) in order %2 (ascending or descending) a list of items %3.\n{{Identical|Sort}}",
@@ -362,7 +363,7 @@
 	"LISTS_REVERSE_HELPURL": "{{Optional}} url - Information describing reversing a list.",
 	"LISTS_REVERSE_MESSAGE0": "block text - Title of block that returns a copy of a list (%1) with the order of items reversed.",
 	"LISTS_REVERSE_TOOLTIP": "tooltip - Short description for a block that reverses a copy of a list.",
-	"ORDINAL_NUMBER_SUFFIX": "grammar - Text that follows an ordinal number (a number that indicates position relative to other numbers).  In most languages, such text appears before the number, so this should be blank.  An exception is Hungarian. See [[Translating:Blockly#Ordinal_numbers]] for more information.",
+	"ORDINAL_NUMBER_SUFFIX": "{{Optional|Supply translation only if your language requires it.  Most do not.}} grammar - Text that follows an ordinal number (a number that indicates position relative to other numbers).  In most languages, such text appears before the number, so this should be blank.  An exception is Hungarian. See [[Translating:Blockly#Ordinal_numbers]] for more information.",
 	"VARIABLES_GET_HELPURL": "{{Optional}} url - Information about ''variables'' in computer programming.  Consider using your language's translation of [https://en.wikipedia.org/wiki/Variable_(computer_science) https://en.wikipedia.org/wiki/Variable_(computer_science)], if it exists.",
 	"VARIABLES_GET_TOOLTIP": "tooltip - This gets the value of the named variable without modifying it.",
 	"VARIABLES_GET_CREATE_SET": "context menu - Selecting this creates a block to set (change) the value of this variable. \n\nParameters:\n* %1 - the name of the variable.",
@@ -375,7 +376,8 @@
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "default name - This acts as a placeholder for the name of a function on a function definition block, as shown on [https://blockly-demo.appspot.com/static/apps/code/index.html?lang=en#w7cfju this block]. The user will replace it with the function's name.",
 	"PROCEDURES_BEFORE_PARAMS": "block text - This precedes the list of parameters on a function's definition block.  See [https://blockly-demo.appspot.com/static/apps/code/index.html?lang=en#voztpd this sample function with parameters].",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "block text - This precedes the list of parameters on a function's caller block.  See [https://blockly-demo.appspot.com/static/apps/code/index.html?lang=en#voztpd this sample function with parameters].",
-	"PROCEDURES_DEFNORETURN_DO": "block text - This appears next to the function's 'body', the blocks that should be run when the function is called, as shown in [https://blockly-demo.appspot.com/static/apps/code/index.html?lang=en#voztpd this sample function definition].",
+	"PROCEDURES_CALL_DISABLED_DEF_WARNING": "warning - This appears if a block that runs a function can't run because the function definition block is disabled. See [https://blockly-demo.appspot.com/static/demos/code/index.html#q947d7 this sample of a disabled function definition and call block].",
+	"PROCEDURES_DEFNORETURN_DO": "{{Optional|Supply translation only if your language requires it.  Most do not.}} block text - This appears next to the function's 'body', the blocks that should be run when the function is called, as shown in [https://blockly-demo.appspot.com/static/apps/code/index.html?lang=en#voztpd this sample function definition].",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "tooltip",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Placeholder text that the user is encouraged to replace with a description of what their function does.",
 	"PROCEDURES_DEFRETURN_HELPURL": "{{Optional}} url - Information about defining [https://en.wikipedia.org/wiki/Subroutine functions] that have return values.",
@@ -398,5 +400,7 @@
 	"PROCEDURES_IFRETURN_WARNING": "warning - This appears if the user tries to use this block outside of a function definition.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "comment text - This text appears in a new workspace comment, to hint that the user can type here.",
 	"WORKSPACE_ARIA_LABEL": "workspace - This text is read out when a user navigates to the workspace while using a screen reader.",
-	"COLLAPSED_WARNINGS_WARNING": "warning - This appears if the user collapses a block, and blocks inside that block have warnings attached to them. It should inform the user that the block they collapsed contains blocks that have warnings."
+	"COLLAPSED_WARNINGS_WARNING": "warning - This appears if the user collapses a block, and blocks inside that block have warnings attached to them. It should inform the user that the block they collapsed contains blocks that have warnings.",
+	"DIALOG_OK": "button label - Pressing this button closes help information.\n{{Identical|OK}}",
+	"DIALOG_CANCEL": "button label - Pressing this button cancels a proposed action.\n{{Identical|Cancel}}"
 }
diff --git a/msg/json/ro.json b/msg/json/ro.json
index 4c73585abca..fa4f9ae0605 100644
--- a/msg/json/ro.json
+++ b/msg/json/ro.json
@@ -1,6 +1,7 @@
 {
 	"@metadata": {
 		"authors": [
+			"Andreyyshore",
 			"Ely en",
 			"Hugbear",
 			"MSClaudiu",
@@ -26,21 +27,21 @@
 	"COLLAPSE_ALL": "Restrange blocurile",
 	"EXPAND_BLOCK": "Extinde bloc",
 	"EXPAND_ALL": "Extinde blocuri",
-	"DISABLE_BLOCK": "Dezactivaţi bloc",
+	"DISABLE_BLOCK": "Dezactivați bloc",
 	"ENABLE_BLOCK": "Permite bloc",
 	"HELP": "Ajutor",
 	"UNDO": "Anulează",
 	"REDO": "Refă",
-	"CHANGE_VALUE_TITLE": "Schimbaţi valoarea:",
+	"CHANGE_VALUE_TITLE": "Schimbați valoarea:",
 	"RENAME_VARIABLE": "Redenumirea variabilei...",
-	"RENAME_VARIABLE_TITLE": "Redenumeşte toate variabilele '%1' în:",
+	"RENAME_VARIABLE_TITLE": "Redenumește toate variabilele „%1” în:",
 	"NEW_VARIABLE": "Crează variabilă",
 	"NEW_STRING_VARIABLE": "Crează o variabilă string",
 	"NEW_NUMBER_VARIABLE": "Crează o variabilă număr",
 	"NEW_COLOUR_VARIABLE": "Crează o variabilă culoare",
 	"NEW_VARIABLE_TYPE_TITLE": "Tip nou de variabilă",
 	"NEW_VARIABLE_TITLE": "Noul nume de variabilă:",
-	"VARIABLE_ALREADY_EXISTS": "O variabilă cu numele '%1'  există deja.",
+	"VARIABLE_ALREADY_EXISTS": "O variabilă cu numele '%1' există deja.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "o variabilă numită '%1' există deja pentru alt tip: '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "Șterge %1 utilizările variabilei '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Nu se poate șterge variabila '%1' deoarece face parte din definiția funcției '%2'",
@@ -49,59 +50,42 @@
 	"COLOUR_PICKER_TOOLTIP": "Alege o culoare din paleta de culori.",
 	"COLOUR_RANDOM_TITLE": "culoare aleatorie",
 	"COLOUR_RANDOM_TOOLTIP": "Alege o culoare la întâmplare.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "colorează cu",
-	"COLOUR_RGB_RED": "roşu",
+	"COLOUR_RGB_RED": "roșu",
 	"COLOUR_RGB_GREEN": "verde",
 	"COLOUR_RGB_BLUE": "albastru",
-	"COLOUR_RGB_TOOLTIP": "Creează o culoare cu suma specificată de roşu, verde şi albastru.  Toate valorile trebuie să fie între 0 şi 100.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
+	"COLOUR_RGB_TOOLTIP": "Creează o culoare cu suma specificată de roșu, verde și albastru.  Toate valorile trebuie să fie între 0 și 100.",
 	"COLOUR_BLEND_TITLE": "amestec",
 	"COLOUR_BLEND_COLOUR1": "culoare 1",
 	"COLOUR_BLEND_COLOUR2": "culoare 2",
 	"COLOUR_BLEND_RATIO": "Raport",
 	"COLOUR_BLEND_TOOLTIP": "Amestecă două culori cu un raport dat (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "repetă de %1 ori",
 	"CONTROLS_REPEAT_INPUT_DO": "fă",
-	"CONTROLS_REPEAT_TOOLTIP": "Face unele afirmaţii de mai multe ori.",
+	"CONTROLS_REPEAT_TOOLTIP": "Face unele afirmații de mai multe ori.",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "repetă în timp ce",
-	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "Repetaţi până când",
-	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "În timp ce o valoare este adevărat, atunci face unele declaraţii.",
-	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "În timp ce o valoare este adevărat, atunci face unele declaraţii.",
+	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "Repetați până când",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Atâta timp cât o valoare este adevărat, atunci face unele declarații.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Atâta timp cât o valoare este adevărat, atunci face unele declarații.",
 	"CONTROLS_FOR_TOOLTIP": "Cu variablia \"%1\" ia o valoare din numărul început la numărul final, numara in intervalul specificat, apoi face blocurile specificate.",
 	"CONTROLS_FOR_TITLE": "numără cu %1 de la %2 la %3 prin %4",
 	"CONTROLS_FOREACH_TITLE": "pentru fiecare element %1 în listă %2",
-	"CONTROLS_FOREACH_TOOLTIP": "Pentru fiecare element din listă, setaţi variabila '%1' ca valoarea elementului, şi apoi faceţi unele declaraţii.",
-	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "ieşi din bucla",
+	"CONTROLS_FOREACH_TOOLTIP": "Pentru fiecare element din listă, setați variabila „%1” ca valoarea elementului, și apoi faceți unele declarații.",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "ieși din buclă",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "continuă cu următoarea iterație a buclei",
-	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Ieși din bucla care conţine.",
-	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "Sari peste restul aceastei bucle, şi continuă cu urmatoarea iteratie.",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Ieși din buclă.",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "Sari peste restul acestei bucle și continuă cu următoarea iterație.",
 	"CONTROLS_FLOW_STATEMENTS_WARNING": "Avertisment: Acest bloc pote fi utilizat numai în interiorul unei bucle.",
-	"CONTROLS_IF_TOOLTIP_1": "Dacă o valoare este adevărată, atunci fa unele declaraţii.",
-	"CONTROLS_IF_TOOLTIP_2": "Dacă o valoare este adevărat, atunci face primul bloc de declaraţii.  Altfel, face al doilea bloc de declaraţii.",
-	"CONTROLS_IF_TOOLTIP_3": "Dacă prima valoare este adevărat, atunci face primul bloc de declaraţii.  Altfel, dacă a doua valoare este adevărat, face al doilea bloc de declaraţii.",
-	"CONTROLS_IF_TOOLTIP_4": "Dacă prima valoare este adevărat, atunci face primul bloc de declaraţii.  Altfel, dacă a doua valoare este adevărat, face al doilea bloc de declaraţii.  În cazul în care niciuna din  valorilor nu este adevărat, face ultimul bloc de declaraţii.",
+	"CONTROLS_IF_TOOLTIP_1": "Dacă o valoare este adevărată, atunci fă unele declarații.",
+	"CONTROLS_IF_TOOLTIP_2": "Dacă o valoare este adevărat, atunci face primul bloc de declarații.  Altfel, face al doilea bloc de declarații.",
+	"CONTROLS_IF_TOOLTIP_3": "Dacă prima valoare este adevărat, atunci face primul bloc de declarații. Altfel, dacă a doua valoare este adevărat, face al doilea bloc de declarații.",
+	"CONTROLS_IF_TOOLTIP_4": "Dacă prima valoare este adevărat, atunci face primul bloc de declarații. Altfel, dacă a doua valoare este adevărat, face al doilea bloc de declarații. În cazul în care niciuna din valori nu este adevărat, face ultimul bloc de declarații.",
 	"CONTROLS_IF_MSG_IF": "dacă",
 	"CONTROLS_IF_MSG_ELSEIF": "altfel dacă",
 	"CONTROLS_IF_MSG_ELSE": "altfel",
-	"CONTROLS_IF_IF_TOOLTIP": "Adaugă, elimină sau reordonează secţiuni pentru a reconfigura acest bloc if.",
-	"CONTROLS_IF_ELSEIF_TOOLTIP": "Adăugaţi o condiţie in blocul if.",
+	"CONTROLS_IF_IF_TOOLTIP": "Adaugă, elimină sau reordonează secțiuni pentru a reconfigura acest bloc if.",
+	"CONTROLS_IF_ELSEIF_TOOLTIP": "Adăugați o condiție în blocul if.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Adauga o stare finala, cuprinde toata conditia din blocul if.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Anulare",
-	"IOS_ERROR": "Eroare",
-	"IOS_PROCEDURES_INPUTS": "INTRĂRI",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Adăugați intrare",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Permite declarațiile",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Această funcție are intrări duplicate.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+Adăugați variabilă",
-	"IOS_VARIABLES_ADD_BUTTON": "Adaugă",
-	"IOS_VARIABLES_RENAME_BUTTON": "Redenumire",
-	"IOS_VARIABLES_DELETE_BUTTON": "Ştergeți",
-	"IOS_VARIABLES_VARIABLE_NAME": "Numele variabilei",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Nu puteți utiliza un nume de variabilă gol.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Returnează adevărat dacă ambele intrări sunt egale.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Returnează adevărat daca cele două intrări nu sunt egale.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Returnează adevărat dacă prima intrare este mai mică decât a doua intrare.",
@@ -109,29 +93,21 @@
 	"LOGIC_COMPARE_TOOLTIP_GT": "Returnează adevărat dacă prima intrare este mai mare decât a doua intrare.",
 	"LOGIC_COMPARE_TOOLTIP_GTE": "Returnează adevărat dacă prima intrare este mai mare sau egală cu a doua intrare.",
 	"LOGIC_OPERATION_TOOLTIP_AND": "Returnează adevărat daca ambele intrări sunt adevărate.",
-	"LOGIC_OPERATION_AND": "şi",
-	"LOGIC_OPERATION_TOOLTIP_OR": "Returnează adevărat dacă cel puţin una din intrări este adevărată.",
+	"LOGIC_OPERATION_AND": "și",
+	"LOGIC_OPERATION_TOOLTIP_OR": "Returnează adevărat dacă cel puțin una din intrări este adevărată.",
 	"LOGIC_OPERATION_OR": "sau",
 	"LOGIC_NEGATE_TITLE": "non %1",
 	"LOGIC_NEGATE_TOOLTIP": "Returnează adevărat dacă intrarea este falsă.  Returnează fals dacă intrarea este adevărată.",
 	"LOGIC_BOOLEAN_TRUE": "adevărat",
 	"LOGIC_BOOLEAN_FALSE": "fals",
 	"LOGIC_BOOLEAN_TOOLTIP": "Returnează adevărat sau fals.",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "nul",
 	"LOGIC_NULL_TOOLTIP": "returnează nul.",
-	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "test",
 	"LOGIC_TERNARY_IF_TRUE": "dacă este adevărat",
 	"LOGIC_TERNARY_IF_FALSE": "dacă este fals",
-	"LOGIC_TERNARY_TOOLTIP": "Verifică condiţia din \"test\". Dacă condiţia este adevărată, returnează valoarea \"în cazul în care adevărat\"; în caz contrar întoarce valoarea \"în cazul în care e fals\".",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
+	"LOGIC_TERNARY_TOOLTIP": "Verifică condiția din „test”. Dacă condiția este adevărată, returnează valoarea „în cazul în care adevărat”; în caz contrar întoarce valoarea „în cazul în care e fals”.",
 	"MATH_NUMBER_TOOLTIP": "Un număr.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tg",
@@ -140,16 +116,15 @@
 	"MATH_TRIG_ATAN": "arctg",
 	"MATH_ARITHMETIC_HELPURL": "https://ro.wikipedia.org/wiki/Aritmetic%C4%83",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Returnează suma a două numere.",
-	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Returneaza diferenţa dintre cele două numere.",
+	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Returnează diferența dintre cele două numere.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Returnează produsul celor două numere.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Returnează câtul celor două numere.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Returneaza numărul rezultat prin ridicarea primului număr la puterea celui de-al doilea.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "rădăcina pătrată",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Returnează rădăcina pătrată a unui număr.",
 	"MATH_SINGLE_OP_ABSOLUTE": "absolută",
 	"MATH_SINGLE_TOOLTIP_ABS": "Returnează valoarea absolută a unui număr.",
-	"MATH_SINGLE_TOOLTIP_NEG": "Returnează negaţia unui număr.",
+	"MATH_SINGLE_TOOLTIP_NEG": "Returnează negația unui număr.",
 	"MATH_SINGLE_TOOLTIP_LN": "Întoarce logaritmul natural al unui număr.",
 	"MATH_SINGLE_TOOLTIP_LOG10": "Returnează logaritmul în baza 10 a unui număr.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Returnează e la puterea unui număr.",
@@ -171,10 +146,8 @@
 	"MATH_IS_NEGATIVE": "este negativ",
 	"MATH_IS_DIVISIBLE_BY": "este divizibil cu",
 	"MATH_IS_TOOLTIP": "Verifică dacă un număr este un par, impar, prim, întreg, pozitiv, negativ, sau dacă este divizibil cu un anumit număr.  Returnează true sau false.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "schimbă %1 de %2",
 	"MATH_CHANGE_TOOLTIP": "Adaugă un număr variabilei '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Rotunjirea unui număr în sus sau în jos.",
 	"MATH_ROUND_OPERATOR_ROUND": "rotund",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "rotunjește în sus",
@@ -195,49 +168,44 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Întoarce deviația standard a listei.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "element aleatoriu din lista",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Returnează un element aleatoriu din listă.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "restul la %1 ÷ %2",
-	"MATH_MODULO_TOOLTIP": "Întoarce restul din împărţirea celor două numere.",
+	"MATH_MODULO_TOOLTIP": "Întoarce restul din împărțirea celor două numere.",
 	"MATH_CONSTRAIN_TITLE": "constrânge %1 redus %2 ridicat %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Constrânge un număr să fie între limitele specificate (inclusiv).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "un număr întreg aleator de la %1 la %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Returnează un număr întreg aleator aflat între cele două limite specificate, inclusiv.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "fracții aleatorii",
-	"MATH_RANDOM_FLOAT_TOOLTIP": "Returnează o fracţie aleatoare între 0.0 (inclusiv) si 1.0 (exclusiv).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
+	"MATH_RANDOM_FLOAT_TOOLTIP": "Returnează o fracție aleatoare între 0.0 (inclusiv) și 1.0 (exclusiv).",
 	"MATH_ATAN2_TITLE": "atan2 of X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Întoarceți arctangentul punctului (X, Y) în grade de la -180 la 180.",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "O literă, cuvânt sau linie de text.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "crează text cu",
-	"TEXT_JOIN_TOOLTIP": "Creaţi o bucată de text prin unirea oricărui număr de elemente.",
-	"TEXT_CREATE_JOIN_TITLE_JOIN": "alăturaţi-vă",
+	"TEXT_JOIN_TOOLTIP": "Creați o bucată de text prin unirea oricărui număr de elemente.",
+	"TEXT_CREATE_JOIN_TITLE_JOIN": "alăturați-vă",
 	"TEXT_CREATE_JOIN_TOOLTIP": "Adaugă, elimină sau reordonează secțiuni ca să reconfigureze blocul text.",
 	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "Adaugă un element în text.",
-	"TEXT_APPEND_TITLE": "la %1 Adăugaţi text %2",
-	"TEXT_APPEND_TOOLTIP": "Adăugaţi text la variabila '%1'.",
+	"TEXT_APPEND_TITLE": "la %1 adăugați text %2",
+	"TEXT_APPEND_TOOLTIP": "Adăugați text la variabila „%1”.",
 	"TEXT_LENGTH_TITLE": "lungime de %1",
-	"TEXT_LENGTH_TOOLTIP": "Returnează numărul de litere (inclusiv spaţiile) în textul furnizat.",
+	"TEXT_LENGTH_TOOLTIP": "Returnează numărul de litere (inclusiv spațiile) în textul furnizat.",
 	"TEXT_ISEMPTY_TITLE": "%1 este gol",
 	"TEXT_ISEMPTY_TOOLTIP": "Returnează adevărat dacă textul furnizat este gol.",
-	"TEXT_INDEXOF_TOOLTIP": "Returnează indicele primei/ultimei apariţii din primul text în al doilea text.  Returnează %1 dacă textul nu este găsit.",
+	"TEXT_INDEXOF_TOOLTIP": "Returnează indicele primei/ultimei apariții din primul text în al doilea text. Returnează %1 dacă textul nu este găsit.",
 	"TEXT_INDEXOF_TITLE": "în text %1 %2 %3",
-	"TEXT_INDEXOF_OPERATOR_FIRST": "găseşte prima apariţie a textului",
-	"TEXT_INDEXOF_OPERATOR_LAST": "găseşte ultima apariţie a textului",
+	"TEXT_INDEXOF_OPERATOR_FIRST": "găsește prima apariție a textului",
+	"TEXT_INDEXOF_OPERATOR_LAST": "găsește ultima apariție a textului",
 	"TEXT_CHARAT_TITLE": "în text %1 %2",
 	"TEXT_CHARAT_FROM_START": "obtine litera #",
-	"TEXT_CHARAT_FROM_END": "obţine litera # de la sfârșit",
-	"TEXT_CHARAT_FIRST": "obţine prima litera",
-	"TEXT_CHARAT_LAST": "obţine o litera oarecare",
+	"TEXT_CHARAT_FROM_END": "obține litera # de la sfârșit",
+	"TEXT_CHARAT_FIRST": "obține prima literă",
+	"TEXT_CHARAT_LAST": "obține o literă oarecare",
 	"TEXT_CHARAT_RANDOM": "obtine o litera oarecare",
 	"TEXT_CHARAT_TOOLTIP": "Returnează litera la poziția specificată.",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "Returnează o anumită parte din text.",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "în text",
 	"TEXT_GET_SUBSTRING_START_FROM_START": "obține subșir de la litera #",
 	"TEXT_GET_SUBSTRING_START_FROM_END": "obține un subșir de la litera # de la sfârșit",
-	"TEXT_GET_SUBSTRING_START_FIRST": "obţine un subșir de la prima literă",
+	"TEXT_GET_SUBSTRING_START_FIRST": "obține un subșir de la prima literă",
 	"TEXT_GET_SUBSTRING_END_FROM_START": "la litera #",
 	"TEXT_GET_SUBSTRING_END_FROM_END": "la litera # de la sfarsit",
 	"TEXT_GET_SUBSTRING_END_LAST": "la ultima literă",
@@ -247,7 +215,7 @@
 	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "către Titlul de caz",
 	"TEXT_TRIM_TOOLTIP": "Returnează o copie a textului fără spațiile de la unul sau ambele capete.",
 	"TEXT_TRIM_OPERATOR_BOTH": "taie spațiile de pe ambele părți ale",
-	"TEXT_TRIM_OPERATOR_LEFT": "tăiaţi spațiile din partea stângă a",
+	"TEXT_TRIM_OPERATOR_LEFT": "tăiați spațiile din partea stângă a",
 	"TEXT_TRIM_OPERATOR_RIGHT": "taie spațiile din partea dreaptă a",
 	"TEXT_PRINT_TITLE": "imprimare %1",
 	"TEXT_PRINT_TOOLTIP": "Afișează textul specificat, numărul sau altă valoare.",
@@ -261,14 +229,13 @@
 	"TEXT_REPLACE_TOOLTIP": "Înlocuiți toate aparițiile anumitor texte într-un alt text.",
 	"TEXT_REVERSE_MESSAGE0": "inversă %1",
 	"TEXT_REVERSE_TOOLTIP": "Inversează ordinea caracterelor din text.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "creează listă goală",
-	"LISTS_CREATE_EMPTY_TOOLTIP": "Returnează o listă, de lungime 0, care nu conţine înregistrări de date",
-	"LISTS_CREATE_WITH_TOOLTIP": "Creaţi o listă cu orice număr de elemente.",
+	"LISTS_CREATE_EMPTY_TOOLTIP": "Returnează o listă, de lungime 0, care nu conține înregistrări de date",
+	"LISTS_CREATE_WITH_TOOLTIP": "Creați o listă cu orice număr de elemente.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "creează listă cu",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "listă",
-	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "Adaugă, elimină sau reordonează secţiuni ca să reconfiguraţi aceste blocuri de listă.",
-	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "Adăugaţi un element la listă.",
+	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "Adaugă, elimină sau reordonează secțiuni pentru a reconfigura acest bloc de listă.",
+	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "Adăugați un element la listă.",
 	"LISTS_REPEAT_TOOLTIP": "Creează o listă alcătuită dintr-o anumită valoare repetată de numărul specificat de ori.",
 	"LISTS_REPEAT_TITLE": "creaza lista cu %1 elemente repetate de %2 ori",
 	"LISTS_LENGTH_TITLE": "lungime de %1",
@@ -276,11 +243,11 @@
 	"LISTS_ISEMPTY_TITLE": "%1 este gol",
 	"LISTS_ISEMPTY_TOOLTIP": "Returnează adevărat dacă lista este goală.",
 	"LISTS_INLIST": "în listă",
-	"LISTS_INDEX_OF_FIRST": "Găseşte prima apariţie a elementului",
-	"LISTS_INDEX_OF_LAST": "găseşte ultima apariţie a elementului",
+	"LISTS_INDEX_OF_FIRST": "Găsește prima apariție a elementului",
+	"LISTS_INDEX_OF_LAST": "găsește ultima apariție a elementului",
 	"LISTS_INDEX_OF_TOOLTIP": "Returnează indexul primei/ultimei apariții a articolului din listă. Returnează %1 dacă elementul nu este găsit.",
-	"LISTS_GET_INDEX_GET": "obţine",
-	"LISTS_GET_INDEX_GET_REMOVE": "obţine şi elimină",
+	"LISTS_GET_INDEX_GET": "obține",
+	"LISTS_GET_INDEX_GET_REMOVE": "obține și elimină",
 	"LISTS_GET_INDEX_REMOVE": "elimină",
 	"LISTS_GET_INDEX_FROM_START": "#",
 	"LISTS_GET_INDEX_FROM_END": "# de la sfârșit",
@@ -289,37 +256,36 @@
 	"LISTS_GET_INDEX_RANDOM": "aleator",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 este primul element.",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 este ultimul element.",
-	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "Returneaza elementul la poziţia specificată într-o listă.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "Returnează elementul de la poziția specificată dintr-o listă.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_FIRST": "Returnează primul element dintr-o listă.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_LAST": "Returnează ultimul element într-o listă.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_RANDOM": "Returneaza un element aleatoriu într-o listă.",
-	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM": "Elimină şi returneaza elementul la poziţia specificată într-o listă.",
-	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST": "Elimină şi returnează primul element într-o listă.",
-	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST": "Elimină şi returnează ultimul element într-o listă.",
-	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM": "Elimină şi returnează un element aleatoriu într-o listă.",
-	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM": "Elimină elementul la poziţia specificată într-o listă.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM": "Elimină și returnează elementul de la poziția specificată dintr-o listă.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST": "Elimină și returnează primul element dintr-o listă.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST": "Elimină și returnează ultimul element dintr-o listă.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM": "Elimină și returnează un element aleatoriu într-o listă.",
+	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM": "Elimină elementul de la poziția specificată dintr-o listă.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST": "Elimină primul element într-o listă.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST": "Elimină ultimul element într-o listă.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM": "Elimină un element aleatoriu într-o listă.",
 	"LISTS_SET_INDEX_SET": "seteaza",
-	"LISTS_SET_INDEX_INSERT": "introduceţi la",
+	"LISTS_SET_INDEX_INSERT": "introduceți la",
 	"LISTS_SET_INDEX_INPUT_TO": "ca",
-	"LISTS_SET_INDEX_TOOLTIP_SET_FROM": "Setează elementul la poziţia specificată într-o listă.",
+	"LISTS_SET_INDEX_TOOLTIP_SET_FROM": "Setează elementul de la poziția specificată dintr-o listă.",
 	"LISTS_SET_INDEX_TOOLTIP_SET_FIRST": "Setează primul element într-o listă.",
 	"LISTS_SET_INDEX_TOOLTIP_SET_LAST": "Setează ultimul element într-o listă.",
 	"LISTS_SET_INDEX_TOOLTIP_SET_RANDOM": "Setează un element aleator într-o listă.",
-	"LISTS_SET_INDEX_TOOLTIP_INSERT_FROM": "Inserează elementul la poziţia specificată într-o listă.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_FROM": "Inserează elementul la poziția specificată într-o listă.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "Inserează elementul la începutul unei liste.",
-	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Adăugă elementul la sfârşitul unei liste.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Adaugă elementul la sfârșitul unei liste.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "Inserează elementul aleatoriu într-o listă.",
-	"LISTS_GET_SUBLIST_START_FROM_START": "obţine sub-lista de la #",
-	"LISTS_GET_SUBLIST_START_FROM_END": "obţine sub-lista de la # de la sfârşitul",
-	"LISTS_GET_SUBLIST_START_FIRST": "obţine sub-lista de la primul",
+	"LISTS_GET_SUBLIST_START_FROM_START": "obține sub-lista de la #",
+	"LISTS_GET_SUBLIST_START_FROM_END": "obține sub-lista de la # de la sfârșit",
+	"LISTS_GET_SUBLIST_START_FIRST": "obține sub-lista de la primul",
 	"LISTS_GET_SUBLIST_END_FROM_START": "la #",
 	"LISTS_GET_SUBLIST_END_FROM_END": "la # de la sfarsit",
 	"LISTS_GET_SUBLIST_END_LAST": "la ultima",
-	"LISTS_GET_SUBLIST_TOOLTIP": "Creează o copie a porţiunii specificate dintr-o listă.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
+	"LISTS_GET_SUBLIST_TOOLTIP": "Creează o copie a porțiunii specificate dintr-o listă.",
 	"LISTS_SORT_TITLE": "sortați %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Sortați o copie a unei liste.",
 	"LISTS_SORT_ORDER_ASCENDING": "crescător",
@@ -339,30 +305,29 @@
 	"VARIABLES_SET": "seteaza %1 la %2",
 	"VARIABLES_SET_TOOLTIP": "Setează această variabilă sa fie egală la intrare.",
 	"VARIABLES_SET_CREATE_GET": "Crează 'get %1'",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFNORETURN_TITLE": "la",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "fă ceva",
 	"PROCEDURES_BEFORE_PARAMS": "cu:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "cu:",
-	"PROCEDURES_DEFNORETURN_TOOLTIP": "Crează o funcţie cu nici o ieşire.",
+	"PROCEDURES_DEFNORETURN_TOOLTIP": "Crează o funcție cu nicio ieșire.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Descrieți această funcție ...",
 	"PROCEDURES_DEFRETURN_HELPURL": "https://ro.wikipedia.org/wiki/Subrutină",
 	"PROCEDURES_DEFRETURN_RETURN": "returnează",
-	"PROCEDURES_DEFRETURN_TOOLTIP": "Creează o funcţie cu o ieşire.",
+	"PROCEDURES_DEFRETURN_TOOLTIP": "Creează o funcție cu o ieșire.",
 	"PROCEDURES_ALLOW_STATEMENTS": "permite declarațiile",
-	"PROCEDURES_DEF_DUPLICATE_WARNING": "Atenţie: Această funcţie are parametri duplicaţi.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
+	"PROCEDURES_DEF_DUPLICATE_WARNING": "Atenție: Această funcție are parametri duplicați.",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Executați funcția '%1 'definită de utilizator.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
-	"PROCEDURES_CALLRETURN_TOOLTIP": "Executați funcția '%1 'definită de utilizator şi folosiţi producţia sa.",
+	"PROCEDURES_CALLRETURN_TOOLTIP": "Executați funcția „%1” definită de utilizator și folosiți producția sa.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "intrări",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Adăugă, șterge sau reordonează parametrii de intrare ai acestei funcții.",
 	"PROCEDURES_MUTATORARG_TITLE": "nume de intrare:",
 	"PROCEDURES_MUTATORARG_TOOLTIP": "Adaugă un parametru de intrare pentru funcție.",
-	"PROCEDURES_HIGHLIGHT_DEF": "Evidenţiază definiţia funcţiei",
-	"PROCEDURES_CREATE_DO": "Creaţi '%1'",
+	"PROCEDURES_HIGHLIGHT_DEF": "Evidențiază definiția funcției",
+	"PROCEDURES_CREATE_DO": "Creați „%1”",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Dacă o valoare este adevărată, atunci returnează valoarea a doua.",
-	"PROCEDURES_IFRETURN_WARNING": "Avertisment: Acest bloc poate fi utilizat numai în definiţia unei funcţii.",
+	"PROCEDURES_IFRETURN_WARNING": "Avertisment: Acest bloc poate fi utilizat numai în definiția unei funcții.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Spune ceva...",
-	"COLLAPSED_WARNINGS_WARNING": "Blocurile blocate conțin avertismente."
+	"COLLAPSED_WARNINGS_WARNING": "Blocurile blocate conțin avertismente.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Revocare"
 }
diff --git a/msg/json/ru.json b/msg/json/ru.json
index df4d136aa42..b242563b859 100644
--- a/msg/json/ru.json
+++ b/msg/json/ru.json
@@ -9,13 +9,17 @@
 			"Mouse21",
 			"Movses",
 			"Okras",
+			"Pacha Tchernof",
 			"Phil Rigovanov",
 			"RedFox",
 			"Redredsonia",
 			"Silovan",
 			"SimondR",
 			"Teretalexev",
-			"Vlad5250"
+			"Thothsum",
+			"UniCollab",
+			"Vlad5250",
+			"Zauzolkov"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "элемент",
@@ -30,7 +34,7 @@
 	"DELETE_BLOCK": "Удалить блок",
 	"DELETE_X_BLOCKS": "Удалить %1 блоков",
 	"DELETE_ALL_BLOCKS": "Удалить все блоки (%1)?",
-	"CLEAN_UP": "Убрать блоки",
+	"CLEAN_UP": "Упорядочить блоки",
 	"COLLAPSE_BLOCK": "Свернуть блок",
 	"COLLAPSE_ALL": "Свернуть блоки",
 	"EXPAND_BLOCK": "Развернуть блок",
@@ -50,7 +54,8 @@
 	"NEW_VARIABLE_TYPE_TITLE": "Новый тип переменной:",
 	"NEW_VARIABLE_TITLE": "Имя новой переменной:",
 	"VARIABLE_ALREADY_EXISTS": "Переменная с именем '%1' уже существует.",
-	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Название переменной '%1' уже используется другой типа: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Название переменной '%1' уже используется для другого типа: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Переменная с именем '%1' уже существует в качестве параметра в процедуре '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "Удалить %1 использований переменной '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Невозможно удалить переменную '%1', поскольку она является частью определения функции '%2'",
 	"DELETE_VARIABLE": "Удалить переменную '%1'",
@@ -79,7 +84,7 @@
 	"CONTROLS_FOR_TOOLTIP": "Присваивает переменной '%1' значения от начального до конечного с заданным шагом и выполняет указанные команды.",
 	"CONTROLS_FOR_TITLE": "цикл по %1 от %2 до %3 с шагом %4",
 	"CONTROLS_FOREACH_TITLE": "для каждого элемента %1 в списке %2",
-	"CONTROLS_FOREACH_TOOLTIP": "Для каждого элемента в списке, присваивает переменной '%1' значение элемента  и выполняет указанные  команды.",
+	"CONTROLS_FOREACH_TOOLTIP": "Для каждого элемента в списке, присваивает переменной '%1' значение элемента и выполняет указанные команды.",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "выйти из цикла",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "перейти к следующему шагу цикла",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Прерывает этот цикл.",
@@ -95,26 +100,13 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Добавьте, удалите, переставьте фрагменты для переделки блока \"если\".",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Добавляет условие к блоку \"если\"",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Добавить заключительный подблок для случая, когда все условия ложны.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Отмена",
-	"IOS_ERROR": "Ошибка",
-	"IOS_PROCEDURES_INPUTS": "ВХОД",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Добавить входную переменную",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Разрешить операторы",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "У этой функции есть дублирующиеся входные переменные.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Добавить переменную",
-	"IOS_VARIABLES_ADD_BUTTON": "Добавить",
-	"IOS_VARIABLES_RENAME_BUTTON": "Переименовать",
-	"IOS_VARIABLES_DELETE_BUTTON": "Удалить",
-	"IOS_VARIABLES_VARIABLE_NAME": "Имя переменной",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Вы не можете использовать пустое имя переменной.",
 	"LOGIC_COMPARE_HELPURL": "https://ru.wikipedia.org/wiki/Неравенство",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Возвращает положительное значение, если вводы равны.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Возвращает положительное значение, если вводы не равны.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Возвращает положительное значение, если первый ввод меньше второго.",
-	"LOGIC_COMPARE_TOOLTIP_LTE": "Возвращает значение истина, если первая вставка меньше или равна  второй.",
+	"LOGIC_COMPARE_TOOLTIP_LTE": "Возвращает значение истина, если первая вставка меньше или равна второй.",
 	"LOGIC_COMPARE_TOOLTIP_GT": "Возвращает значение истина, если первая вставка больше второй.",
-	"LOGIC_COMPARE_TOOLTIP_GTE": "Возвращает значение истина, если первая вставка больше или равна  второй.",
+	"LOGIC_COMPARE_TOOLTIP_GTE": "Возвращает значение истина, если первая вставка больше или равна второй.",
 	"LOGIC_OPERATION_TOOLTIP_AND": "Возвращает значение истина, если обе вставки истинны.",
 	"LOGIC_OPERATION_AND": "и",
 	"LOGIC_OPERATION_TOOLTIP_OR": "Возвращает значение истина, если хотя бы одна из вставок истинна.",
@@ -124,16 +116,21 @@
 	"LOGIC_BOOLEAN_TRUE": "истина",
 	"LOGIC_BOOLEAN_FALSE": "ложь",
 	"LOGIC_BOOLEAN_TOOLTIP": "Возвращает значение истина или ложь.",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "ничто",
 	"LOGIC_NULL_TOOLTIP": "Возвращает ничто.",
-	"LOGIC_TERNARY_HELPURL": "https://ru.wikipedia.org/wiki/Тернарная_условная_операция",
+	"LOGIC_TERNARY_HELPURL": "https://ru.wikipedia.org/wiki/%3F#В_компьютерах",
 	"LOGIC_TERNARY_CONDITION": "выбрать по",
 	"LOGIC_TERNARY_IF_TRUE": "если истина",
 	"LOGIC_TERNARY_IF_FALSE": "если ложь",
 	"LOGIC_TERNARY_TOOLTIP": "Проверяет условие выбора. Если условие истинно, возвращает первое значение, в противном случае возвращает второе значение.",
 	"MATH_NUMBER_HELPURL": "https://ru.wikipedia.org/wiki/Число",
 	"MATH_NUMBER_TOOLTIP": "Число.",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "arcsin",
+	"MATH_TRIG_ACOS": "arccos",
+	"MATH_TRIG_ATAN": "arctan",
 	"MATH_ARITHMETIC_HELPURL": "https://ru.wikipedia.org/wiki/Арифметика",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Возвращает сумму двух чисел.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Возвращает разность двух чисел.",
@@ -158,7 +155,7 @@
 	"MATH_TRIG_TOOLTIP_ACOS": "Возвращает арккосинус (в градусах).",
 	"MATH_TRIG_TOOLTIP_ATAN": "Возвращает арктангенс (в градусах)",
 	"MATH_CONSTANT_HELPURL": "https://ru.wikipedia.org/wiki/Математическая_константа",
-	"MATH_CONSTANT_TOOLTIP": "Возвращает одну из распространённых  констант: π (3.141...), e (2.718...), φ (1.618...), sqrt(2) (1.414...), sqrt(½) (0.707...) или ∞ (бесконечность).",
+	"MATH_CONSTANT_TOOLTIP": "Возвращает одну из распространённых констант: π (3.141...), e (2.718...), φ (1.618...), sqrt(2) (1.414...), sqrt(½) (0.707...) или ∞ (бесконечность).",
 	"MATH_IS_EVEN": "чётное",
 	"MATH_IS_ODD": "нечётное",
 	"MATH_IS_PRIME": "простое",
@@ -167,7 +164,7 @@
 	"MATH_IS_NEGATIVE": "отрицательное",
 	"MATH_IS_DIVISIBLE_BY": "делится на",
 	"MATH_IS_TOOLTIP": "Проверяет, является ли число чётным, нечётным, простым, целым, положительным, отрицательным или оно кратно определённому числу.  Возвращает значение истина или ложь.",
-	"MATH_CHANGE_HELPURL": "https://ru.wikipedia.org/wiki/%D0%98%D0%B4%D0%B8%D0%BE%D0%BC%D0%B0_%28%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5%29#.D0.98.D0.BD.D0.BA.D1.80.D0.B5.D0.BC.D0.B5.D0.BD.D1.82",
+	"MATH_CHANGE_HELPURL": "https://ru.wikipedia.org/wiki/Идиома_(программирование)#Инкремент",
 	"MATH_CHANGE_TITLE": "увеличить %1 на %2",
 	"MATH_CHANGE_TOOLTIP": "Добавляет число к переменной '%1'.",
 	"MATH_ROUND_HELPURL": "https://ru.wikipedia.org/wiki/Округление",
@@ -192,17 +189,16 @@
 	"MATH_ONLIST_OPERATOR_RANDOM": "случайный элемент списка",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Возвращает случайный элемент списка.",
 	"MATH_MODULO_HELPURL": "https://ru.wikipedia.org/wiki/Деление_с_остатком",
-	"MATH_MODULO_TITLE": "остаток от %1 : %2",
+	"MATH_MODULO_TITLE": "остаток от %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Возвращает остаток от деления двух чисел.",
 	"MATH_CONSTRAIN_TITLE": "ограничить %1 снизу %2 сверху %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Ограничивает число нижней и верхней границами (включительно).",
 	"MATH_RANDOM_INT_HELPURL": "https://ru.wikipedia.org/wiki/Генератор_псевдослучайных_чисел",
-	"MATH_RANDOM_INT_TITLE": "случайное целое число от %1 для %2",
+	"MATH_RANDOM_INT_TITLE": "случайное целое число от %1 до %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Возвращает случайное число между двумя заданными пределами (включая и их).",
 	"MATH_RANDOM_FLOAT_HELPURL": "https://ru.wikipedia.org/wiki/Генератор_псевдослучайных_чисел",
-	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "случайное число от 0 (включительно) до 1",
+	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "случайное число от 0.0 до 1.0 (вкл.)",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Возвращает случайное число от 0.0 (включительно) до 1.0.",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 от X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Возвращает арктангенс точки (X, Y) в градусах от -180 до 180.",
 	"TEXT_TEXT_HELPURL": "https://ru.wikipedia.org/wiki/Строковый_тип",
@@ -218,7 +214,7 @@
 	"TEXT_LENGTH_TOOLTIP": "Возвращает число символов (включая пробелы) в заданном тексте.",
 	"TEXT_ISEMPTY_TITLE": "%1 пуст",
 	"TEXT_ISEMPTY_TOOLTIP": "Возвращает значение истина, если предоставленный текст пуст.",
-	"TEXT_INDEXOF_TOOLTIP": "Возвращает номер позиции первого/последнего вхождения первого текста во  втором.  Возвращает %1, если текст не найден.",
+	"TEXT_INDEXOF_TOOLTIP": "Возвращает номер позиции первого/последнего вхождения первого текста во втором.  Возвращает %1, если текст не найден.",
 	"TEXT_INDEXOF_TITLE": "в тексте %1 %2 %3",
 	"TEXT_INDEXOF_OPERATOR_FIRST": "найти первое вхождение текста",
 	"TEXT_INDEXOF_OPERATOR_LAST": "найти последнее вхождение текста",
@@ -252,17 +248,13 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Запросить у пользователя число.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Запросить у пользователя текст.",
 	"TEXT_COUNT_MESSAGE0": "подсчитать количество %1 в %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Подсчитать, сколько раз отрывок текста появляется в другом тексте.",
 	"TEXT_REPLACE_MESSAGE0": "заменить %1 на %2 в %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "Заменить все вхождения некоторого текста другим текстом.",
 	"TEXT_REVERSE_MESSAGE0": "изменить порядок на обратный %1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "Меняет порядок символов в тексте на обратный.",
 	"LISTS_CREATE_EMPTY_TITLE": "создать пустой список",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Возвращает список длины 0, не содержащий данных",
-	"LISTS_CREATE_WITH_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_CREATE_WITH_TOOLTIP": "Создаёт список с любым числом элементов.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "создать список из",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "список",
@@ -278,9 +270,11 @@
 	"LISTS_INDEX_OF_FIRST": "найти первое вхождение элемента",
 	"LISTS_INDEX_OF_LAST": "найти последнее вхождение элемента",
 	"LISTS_INDEX_OF_TOOLTIP": "Возвращает номер позиции первого/последнего вхождения элемента в списке. Возвращает %1, если элемент не найден.",
+	"LISTS_GET_INDEX_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list",
 	"LISTS_GET_INDEX_GET": "взять",
 	"LISTS_GET_INDEX_GET_REMOVE": "взять и удалить",
 	"LISTS_GET_INDEX_REMOVE": "удалить",
+	"LISTS_GET_INDEX_FROM_START": "№",
 	"LISTS_GET_INDEX_FROM_END": "№ с конца",
 	"LISTS_GET_INDEX_FIRST": "первый",
 	"LISTS_GET_INDEX_LAST": "последний",
@@ -317,7 +311,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "по № с конца",
 	"LISTS_GET_SUBLIST_END_LAST": "по последний",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Создаёт копию указанной части списка.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "сортировать %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Сортировать копию списка.",
 	"LISTS_SORT_ORDER_ASCENDING": "по возрастанию",
@@ -325,13 +318,11 @@
 	"LISTS_SORT_TYPE_NUMERIC": "числовая",
 	"LISTS_SORT_TYPE_TEXT": "по алфавиту",
 	"LISTS_SORT_TYPE_IGNORECASE": "по алфавиту, без учёта регистра",
-	"LISTS_SPLIT_HELPURL": "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "сделать список из текста",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "собрать текст из списка",
 	"LISTS_SPLIT_WITH_DELIMITER": "с разделителем",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Разбивает текст в список текстов, по разделителям.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Соединяет список текстов в один текст с разделителями.",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "изменить порядок на обратный %1",
 	"LISTS_REVERSE_TOOLTIP": "Изменить порядок списка на обратный.",
 	"VARIABLES_GET_TOOLTIP": "Возвращает значение этой переменной.",
@@ -339,12 +330,15 @@
 	"VARIABLES_SET": "присвоить %1 = %2",
 	"VARIABLES_SET_TOOLTIP": "Присваивает переменной значение вставки.",
 	"VARIABLES_SET_CREATE_GET": "Создать вставку %1",
+	"PROCEDURES_DEFNORETURN_HELPURL": "https://ru.wikipedia.org/wiki/Подпрограмма",
 	"PROCEDURES_DEFNORETURN_TITLE": "чтобы",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "выполнить что-то",
 	"PROCEDURES_BEFORE_PARAMS": "с:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "с:",
+	"PROCEDURES_CALL_DISABLED_DEF_WARNING": "Невозможно запустить пользовательскую функцию '%1', поскольку блок определения отключен.",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Создаёт процедуру, не возвращающую значение.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Опишите эту функцию…",
+	"PROCEDURES_DEFRETURN_HELPURL": "https://ru.wikipedia.org/wiki/Функция_(программирование)",
 	"PROCEDURES_DEFRETURN_RETURN": "вернуть",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Создаёт процедуру, возвращающую значение.",
 	"PROCEDURES_ALLOW_STATEMENTS": "разрешить операторы",
@@ -352,7 +346,7 @@
 	"PROCEDURES_CALLNORETURN_HELPURL": "https://ru.wikipedia.org/wiki/Подпрограмма",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Исполняет определённую пользователем процедуру '%1'.",
 	"PROCEDURES_CALLRETURN_HELPURL": "https://ru.wikipedia.org/wiki/Подпрограмма",
-	"PROCEDURES_CALLRETURN_TOOLTIP": "Исполняет определённую пользователем процедуру '%1' и возвращает вычисленное  значение.",
+	"PROCEDURES_CALLRETURN_TOOLTIP": "Исполняет определённую пользователем процедуру '%1' и возвращает вычисленное значение.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "параметры",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Добавить, удалить или изменить порядок входных параметров для этой функции.",
 	"PROCEDURES_MUTATORARG_TITLE": "имя параметра:",
@@ -360,9 +354,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Выделить определение процедуры",
 	"PROCEDURES_CREATE_DO": "Создать вызов '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Если первое значение истинно, возвращает второе значение.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Предупреждение: Этот блок может использоваться только внутри определения функции.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Напишите здесь что-нибудь...",
 	"WORKSPACE_ARIA_LABEL": "Рабочая область Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "Свёрнутые блоки содержат предупреждения."
+	"COLLAPSED_WARNINGS_WARNING": "Свёрнутые блоки содержат предупреждения.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Отмена"
 }
diff --git a/msg/json/sc.json b/msg/json/sc.json
index 903516a2e32..3977465083f 100644
--- a/msg/json/sc.json
+++ b/msg/json/sc.json
@@ -29,7 +29,6 @@
 	"RENAME_VARIABLE_TITLE": "A is variabilis '%1' muda nòmini a:",
 	"NEW_VARIABLE": "Variabili noa...",
 	"NEW_VARIABLE_TITLE": "Nòmini de sa variabili noa:",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "Scebera unu colori de sa tauledda.",
 	"COLOUR_RANDOM_TITLE": "Unu colori a brítiu",
 	"COLOUR_RANDOM_TOOLTIP": "Scebera unu colori a brítiu.",
@@ -43,7 +42,6 @@
 	"COLOUR_BLEND_COLOUR2": "colori 2",
 	"COLOUR_BLEND_RATIO": "raportu",
 	"COLOUR_BLEND_TOOLTIP": "Amestura duus coloris cun unu raportu (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "repiti %1 bortas",
 	"CONTROLS_REPEAT_INPUT_DO": "fai",
 	"CONTROLS_REPEAT_TOOLTIP": "Fait pariga de cumandus prus bortas.",
@@ -70,7 +68,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Aciungi, fùlia, o assenta is partis po torrai a sètiu custu brocu si.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Aciungi una cunditzioni a su brocu si.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Aciungi una urtima cunditzioni piga-totu a su brocu si.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Torrat berus si is inputs funt unu uguali a s'àteru.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Torrat berus si is inputs non funt unu uguali a s'àteru.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Torrat berus si su primu input est prus piticu de s'àteru.",
@@ -92,15 +89,12 @@
 	"LOGIC_TERNARY_IF_TRUE": "si berus",
 	"LOGIC_TERNARY_IF_FALSE": "si frassu",
 	"LOGIC_TERNARY_TOOLTIP": "‎Cumproa sa cunditzioni in 'cumproa'. Si sa cunditzioni est berus, torrat su valori 'si berus'; sinuncas torrat su valori 'si frassu'.",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "Unu numeru",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Torrat sa summa de is duus nùmerus.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Torrat sa diferèntzia de is duus nùmerus.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Torrat su produtu de is duus nùmerus.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Torrat su cuotzienti de is duus nùmerus.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Torrat su primu numeru artziau a sa potenza de su segundu nùmeru.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "arraxina cuadra",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Torrat s'arraxina cuadra de unu numeru.",
 	"MATH_SINGLE_OP_ABSOLUTE": "assolutu",
@@ -110,14 +104,12 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Torrat su logaritmu a basi 10 de unu numeru.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Torrat (e) a sa potèntzia de unu numeru.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Torrat (10) a sa potèntzia de unu numeru.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "Torrat su sinu de unu gradu (no radianti).",
 	"MATH_TRIG_TOOLTIP_COS": "Torrat su cosinu de unu gradu (no radianti).",
 	"MATH_TRIG_TOOLTIP_TAN": "Torrat sa tangenti de unu gradu (no radianti).",
 	"MATH_TRIG_TOOLTIP_ASIN": "Torrat su arcsinu de unu numeru.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Torrat su arccosinu de unu numeru.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Torrat su arctangenti de unu numeru.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Torrat una de is costantis comunas: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), o ∞ (infiniu).",
 	"MATH_IS_EVEN": "est paris",
 	"MATH_IS_ODD": "est dísparu",
@@ -127,10 +119,8 @@
 	"MATH_IS_NEGATIVE": "est negativu",
 	"MATH_IS_DIVISIBLE_BY": "fait a ddu dividi po",
 	"MATH_IS_TOOLTIP": "Cumprova si unu numeru est paris, dìsparis, primu, intreu, positivu, negativu o si fait a ddu dividi po unu numeru giau. Torrat berus o frassu.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "muda %1 de %2",
 	"MATH_CHANGE_TOOLTIP": "Aciungi unu numeru a sa variabili '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Arretunda unu numeru faci a susu o faci a bàsciu.",
 	"MATH_ROUND_OPERATOR_ROUND": "arretunda",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "Arretunda faci a susu",
@@ -151,18 +141,14 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Torrat sa deviadura standard de sa lista.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "unu item a brìtiu de sa lista",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Torrat unu item a brìtiu de sa lista.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "arrestu de %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Torrat s'arrestu de sa divisioni de duus numerus.",
 	"MATH_CONSTRAIN_TITLE": "custringi %1 de %2 a %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Custringi unu numeru aintru de is liminaxus giaus (cumprendius).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "numeru intreu a brítiu de %1 a %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Torrat unu numeru intreu a brìtiu intra duus nùmerus giaus (cumpresus).",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "una fratzioni a brìtiu",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Torrat una fratzioni a brìtiu intra 0.0 (cumpresu) e 1.0 (bogau).",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Una lìtera, paràula, o linia de testu.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "scri testu cun",
 	"TEXT_JOIN_TOOLTIP": "Fait unu testu ponendi a pari parigas de items.",
@@ -265,7 +251,7 @@
 	"LISTS_GET_SUBLIST_TOOLTIP": "Fait una copia de sa parti inditada de sa lista.",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "fai una lista de unu testu",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "fai unu testu de una lista",
-	"LISTS_SPLIT_WITH_DELIMITER": "cun  separadori",
+	"LISTS_SPLIT_WITH_DELIMITER": "cun separadori",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Dividi su testu in un'elencu de testus, firmendi po dònnia separadori.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Auni una lista de testus in d-unu sceti, ponendi separadoris.",
 	"VARIABLES_GET_TOOLTIP": "Torrat su valori de custa variabili.",
@@ -282,9 +268,7 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Fait una funtzioni cun output.",
 	"PROCEDURES_ALLOW_STATEMENTS": "permiti decraratzionis",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Amonestu: Custa funtzioni tenit parametrus duplicaus.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Arròllia sa funtzione '%1' cuncordada dae s'impitadore.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Arròllia sa funtzione '%1' cuncordada dae s'impitadore e imprea s'output suu.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "inputs",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Aciungi, fùlia, o assenta is inputs a custa funtzioni.",
@@ -293,5 +277,7 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Marca sa definitzioni de funtzioni.",
 	"PROCEDURES_CREATE_DO": "Ingenerau'%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Si unu valori est berus, tandu torrat unu segundu valori.",
-	"PROCEDURES_IFRETURN_WARNING": "Amonestu: Custu brocu ddu podis ponni sceti aintru de una funtzioni."
+	"PROCEDURES_IFRETURN_WARNING": "Amonestu: Custu brocu ddu podis ponni sceti aintru de una funtzioni.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Annulla"
 }
diff --git a/msg/json/sco.json b/msg/json/sco.json
new file mode 100644
index 00000000000..8fea70d3d79
--- /dev/null
+++ b/msg/json/sco.json
@@ -0,0 +1,11 @@
+{
+	"@metadata": {
+		"authors": [
+			"John Reid"
+		]
+	},
+	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Eik, remuiv, or reorder inputs tae this function.",
+	"PROCEDURES_MUTATORARG_TOOLTIP": "Eik aen input tae the function.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Cancel"
+}
diff --git a/msg/json/sd.json b/msg/json/sd.json
index 666d4703279..f6e7b5f030d 100644
--- a/msg/json/sd.json
+++ b/msg/json/sd.json
@@ -2,23 +2,26 @@
 	"@metadata": {
 		"authors": [
 			"Aursani",
+			"Charan",
+			"Charoo",
 			"Indus Asia",
 			"Mehtab ahmed",
 			"Tweety"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "اسم",
+	"UNNAMED_KEY": "بينام",
 	"TODAY": "اڄ",
 	"DUPLICATE_BLOCK": "نقل",
 	"ADD_COMMENT": "رايو ڏيو",
 	"REMOVE_COMMENT": "رايو ڊاهيو",
 	"DUPLICATE_COMMENT": "نقل رايو",
-	"EXTERNAL_INPUTS": "ٻاهرين داخلائون",
+	"EXTERNAL_INPUTS": "ٻاهريون داخلائون",
 	"INLINE_INPUTS": "اِنلائين اِن پٽس",
 	"DELETE_BLOCK": "بلاڪ ڊاهيو",
 	"DELETE_X_BLOCKS": "1٪ بلاڪ ڊاهيو",
 	"DELETE_ALL_BLOCKS": "سڀ %1 بلاڪ ڊاھيون؟",
-	"CLEAN_UP": "بندشون هٽايو",
+	"CLEAN_UP": "بلاڪ صاف ڪيو",
 	"COLLAPSE_BLOCK": "بلاڪ ڍڪيو",
 	"COLLAPSE_ALL": "بلاڪَ ڍڪيو",
 	"EXPAND_BLOCK": "بلاڪ نمايو",
@@ -26,13 +29,20 @@
 	"DISABLE_BLOCK": "بلاڪ کي غيرفعال بڻايو",
 	"ENABLE_BLOCK": "بلاڪ کي فعال بڻايو",
 	"HELP": "مدد",
-	"UNDO": "ڊاهيو",
+	"UNDO": "اڻڪريو",
 	"REDO": "ٻيهر ڪريو",
 	"CHANGE_VALUE_TITLE": "قدر بدلايو",
 	"RENAME_VARIABLE": "ڦرڻي کي نئون نالو ڏيو...",
+	"RENAME_VARIABLE_TITLE": "سڀني '%1' کي تبديل ڪيو:",
 	"NEW_VARIABLE": "نئون ڦرڻو...",
+	"NEW_STRING_VARIABLE": "اسٽرينگ وري ايبل ٺاھيو...",
+	"NEW_NUMBER_VARIABLE": "نمبر وري ايبل ٺاھيو...",
+	"NEW_COLOUR_VARIABLE": "رنگ وري ايبل ٺاھيو...",
+	"NEW_VARIABLE_TYPE_TITLE": "نئين وري ايبل جو قسم:",
 	"NEW_VARIABLE_TITLE": "ڦرڻي جو نئون نالو:",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
+	"VARIABLE_ALREADY_EXISTS": "'%1' جي نالي سان اڳ ئي وري ايبل موجود آھي.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "'%2' وري ايبل لاءِ '%1' وري اينل اڳ ئي موجود آھي،",
+	"DELETE_VARIABLE_CONFIRMATION": "'%2' وري ايبل جي استعمال %1 مٽايو؟",
 	"COLOUR_PICKER_TOOLTIP": "رنگ دٻيءَ مان رنگ چونڊيو.",
 	"COLOUR_RANDOM_TITLE": "بنا ترتيب رنگ",
 	"COLOUR_RANDOM_TOOLTIP": "ڪو بہ ‌رنگ چونڊيو.",
@@ -46,7 +56,6 @@
 	"COLOUR_BLEND_COLOUR2": "رنگ 2",
 	"COLOUR_BLEND_RATIO": "تناسب",
 	"COLOUR_BLEND_TOOLTIP": "ڄاڻايل تناسب سان ٻہ رنگ پاڻ ۾ ملايو (0.0-1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "1٪ ڀيرا ورجايو",
 	"CONTROLS_REPEAT_INPUT_DO": "ڪريو",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "ورجايو جڏهن",
@@ -56,16 +65,6 @@
 	"CONTROLS_IF_MSG_IF": "جيڪڏهن",
 	"CONTROLS_IF_MSG_ELSEIF": "نہ تہ جي",
 	"CONTROLS_IF_MSG_ELSE": "نہ تہ",
-	"IOS_OK": "ٺيڪ (او ڪي) آهي",
-	"IOS_CANCEL": "رد",
-	"IOS_ERROR": "چُڪَ",
-	"IOS_PROCEDURES_INPUTS": "داخلائون (اِن پٽس)",
-	"IOS_VARIABLES_ADD_VARIABLE": "تبديل ٿيندڙ (ويريئيبل) وجهو",
-	"IOS_VARIABLES_ADD_BUTTON": "شامل ڪيو",
-	"IOS_VARIABLES_RENAME_BUTTON": "ٻيهر نالو ڏيو",
-	"IOS_VARIABLES_DELETE_BUTTON": "ڊاهيو",
-	"IOS_VARIABLES_VARIABLE_NAME": "تبيديل ٿيندڙ (ويريئيبل) جو نالو",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "جيڪڏهن ٻئي ان پُٽس برابر آهن تہ درست وراڻيو",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "جيڪڏهن ٻئي ان پُٽس اڻ برابر آهن تہ درست وراڻيو",
 	"LOGIC_COMPARE_TOOLTIP_LT": "جيڪڏهن پهريون ان پُٽ ٻين ان پُٽ کان ننڍو آهي تہ درست وراڻيو",
@@ -85,7 +84,6 @@
 	"LOGIC_TERNARY_IF_TRUE": "جيڪڏهن سچو",
 	"LOGIC_TERNARY_IF_FALSE": "جيڪڏهن ڪوڙو",
 	"MATH_NUMBER_TOOLTIP": "ڪو انگ.",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "ٻن انگن جي جوڙ اپت ڏيو.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "ٻنهي انگن جو تفاوت ڏيو.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "ٻنهي انگن جي ضرب اُپت ڏيو.",
@@ -154,5 +152,7 @@
 	"PROCEDURES_CALL_BEFORE_PARAMS": "سان:",
 	"PROCEDURES_DEFRETURN_RETURN": "واپس ورو",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "ان پُٽس",
-	"PROCEDURES_CREATE_DO": "تخليق ڪريو '%1'"
+	"PROCEDURES_CREATE_DO": "تخليق ڪريو '%1'",
+	"DIALOG_OK": "ٺيڪ",
+	"DIALOG_CANCEL": "رد"
 }
diff --git a/msg/json/shn.json b/msg/json/shn.json
index fcea65b8839..c6a25ff1407 100644
--- a/msg/json/shn.json
+++ b/msg/json/shn.json
@@ -57,7 +57,7 @@
 	"CONTROLS_FLOW_STATEMENTS_WARNING": "ၾၢင်ႉ: ပလွၵ်ႉဢၼ်ၼႆႉ ၵူၺ်းၸႂ်ႉလူၺ်ႈတႃႇ ၶွပ်ႇမူၼ်းၵူၺ်း",
 	"CONTROLS_IF_TOOLTIP_1": "ပေႃးဝႃႈ ၵႃႈၶၼ် (ၼမ်ႉၵတ်ႉ) မၢၼ်ႇမႅၼ်ႈယဝ်ႉၸိုင် ႁဵတ်းၶေႃႈၵဵပ်းထွၼ်ၵမ်ႈၽွင်ႈ",
 	"CONTROLS_IF_TOOLTIP_2": "သင်ဝႃႈ ၵႃႈၶၼ်(ၼမ်ႉၵတ်ႉ)မၢၼ်ႇမႅၼ်ႈၸိုင် ႁဵတ်းပလွၵ်ႉဢွၼ်တၢင်းသုတ်း တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်တ။ လိူဝ်သေၼၼ်ႉ ႁဵတ်းပႅတ်ႈ ပလွၵ်ႉသွင် တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်",
-	"CONTROLS_IF_TOOLTIP_3": "သင်ဝႃႈ ၵႃႈၶၼ်(ၼမ်ႉၵတ်ႉ)မၢႉၼိုင်ႈ မၢၼ်ႇမႅၼ်ႈၸိုင် ႁဵတ်းပလွၵ်ႉဢွၼ်တၢင်းသုတ်း တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်တ။ သင်ဝႃႈ ၵႃႈၶၼ်(ၼမ်ႉၵတ်ႉ)မၢႆသွင်မၢၼ်ႇမႅၼ်ႈၸိုင်  ႁဵတ်းပႅတ်ႈ ပလွၵ်ႉသွင် တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်",
+	"CONTROLS_IF_TOOLTIP_3": "သင်ဝႃႈ ၵႃႈၶၼ်(ၼမ်ႉၵတ်ႉ)မၢႉၼိုင်ႈ မၢၼ်ႇမႅၼ်ႈၸိုင် ႁဵတ်းပလွၵ်ႉဢွၼ်တၢင်းသုတ်း တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်တ။ သင်ဝႃႈ ၵႃႈၶၼ်(ၼမ်ႉၵတ်ႉ)မၢႆသွင်မၢၼ်ႇမႅၼ်ႈၸိုင် ႁဵတ်းပႅတ်ႈ ပလွၵ်ႉသွင် တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်",
 	"CONTROLS_IF_TOOLTIP_4": "သင်ဝႃႈ ၵႃႈၶၼ်(ၼမ်ႉၵတ်ႉ)မၢႆၼိုင်ႈ မၢၼ်ႇမႅၼ်ႈၸိုင် ႁဵတ်းပလွၵ်ႉဢွၼ်တၢင်းသုတ်း တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်တ။ လိူဝ်သေၼၼ်ႉ, သင်ဝႃႈ ၵႃႈၶၼ် (ၼမ်ႉၵတ်ႉ) မၢႆသွင် မၢၼ်ႇမႅၼ်ႈၸိုင် ႁဵတ်းပႅတ်ႈ ပလွၵ်ႉသွင် တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်တ။ သင်ဝႃႈ ၵႃႈၶၼ်(ၼမ်ႉၵတ်ႉ) ဢမ်ႇမီးလွင်ႈမၢၼ်ႇမႅၼ်ႈ သင်ၸိုင် ႁဵတ်းပႅတ်ႈပလွၵ်ႉ ၵမ်းလိုမ်း တီႈၼႂ်းၶေႃႈၵဵပ်းထွၼ်တ။",
 	"CONTROLS_IF_MSG_IF": "သင်ဝႃႈ",
 	"CONTROLS_IF_MSG_ELSEIF": "သင်ဝႃႈ လိူဝ်သေၼၼ်ႉ",
diff --git a/msg/json/si.json b/msg/json/si.json
new file mode 100644
index 00000000000..cf141f8f721
--- /dev/null
+++ b/msg/json/si.json
@@ -0,0 +1,16 @@
+{
+	"@metadata": {
+		"authors": [
+			"හරිත"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "අයිතමය",
+	"DELETE_X_BLOCKS": "රූපතහඩු %1 මකාදමන්න",
+	"EXPAND_ALL": "රූපතහඩු විහිදන්න",
+	"HELP": "උදව්",
+	"COLOUR_RGB_RED": "රතු",
+	"COLOUR_RGB_GREEN": "කොළ",
+	"COLOUR_RGB_BLUE": "නිල්",
+	"DIALOG_OK": "හරි",
+	"DIALOG_CANCEL": "අවලංගු කරන්න"
+}
diff --git a/msg/json/sk.json b/msg/json/sk.json
index 9fedf5150e1..ab400afd573 100644
--- a/msg/json/sk.json
+++ b/msg/json/sk.json
@@ -10,7 +10,8 @@
 			"Mark",
 			"Nykta 1917",
 			"Pmikolas44",
-			"TomášPolonec"
+			"TomášPolonec",
+			"Yardom78"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "prvok",
@@ -49,7 +50,6 @@
 	"DELETE_VARIABLE_CONFIRMATION": "Odstrániť %1 použití premennej '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Nie je možné zmazať premennú „%1“, pretože je súčasťou definície funkcie „%2“",
 	"DELETE_VARIABLE": "Odstrániť premennú '%1'",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "Zvoľte farbu z palety.",
 	"COLOUR_RANDOM_TITLE": "náhodná farba",
 	"COLOUR_RANDOM_TOOLTIP": "Zvoliť farbu náhodne.",
@@ -63,7 +63,6 @@
 	"COLOUR_BLEND_COLOUR2": "farba 2",
 	"COLOUR_BLEND_RATIO": "pomer",
 	"COLOUR_BLEND_TOOLTIP": "Zmieša dve farby v danom pomere (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "opakuj %1 krát",
 	"CONTROLS_REPEAT_INPUT_DO": "rob",
 	"CONTROLS_REPEAT_TOOLTIP": "Opakuj určité príkazy viackrát.",
@@ -90,20 +89,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Pridať, odstrániť alebo zmeniť poradie oddielov tohto \"ak\" bloku.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Pridať podmienku k \"ak\" bloku.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Pridať poslednú záchytnú podmienku k \"ak\" bloku.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Zrušiť",
-	"IOS_ERROR": "Chyba",
-	"IOS_PROCEDURES_INPUTS": "Vstupy",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Pridať vstup",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Povoľujú príkazy",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Táto funkcia obsahuje duplikáty vstupov.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Pridať premennú",
-	"IOS_VARIABLES_ADD_BUTTON": "Pridať",
-	"IOS_VARIABLES_RENAME_BUTTON": "Premenovať",
-	"IOS_VARIABLES_DELETE_BUTTON": "Zmazať",
-	"IOS_VARIABLES_VARIABLE_NAME": "Názov premennej",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Nie je možné použiť premennú bez mena.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Vráť hodnotu pravda, ak sú vstupy rovnaké.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Vráť hodnotu pravda, ak vstupy nie sú rovnaké.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Vráť hodnotu pravda, ak prvý vstup je menší než druhý.",
@@ -125,18 +110,15 @@
 	"LOGIC_TERNARY_IF_TRUE": "ak pravda",
 	"LOGIC_TERNARY_IF_FALSE": "ak nepravda",
 	"LOGIC_TERNARY_TOOLTIP": "Skontroluj podmienku testom. Ak je podmienka pravda, vráť hodnotu \"ak pravda\", inak vráť hodnotu \"ak nepravda\".",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "Číslo.",
 	"MATH_TRIG_ASIN": "arcsin",
 	"MATH_TRIG_ACOS": "arccos",
 	"MATH_TRIG_ATAN": "arctan",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Vráť súčet dvoch čísel.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Vráť rozdiel dvoch čísel.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Vráť súčin dvoch čísel.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Vráť podiel dvoch čísel.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Vráť prvé číslo umocnené druhým.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "druhá odmocnina",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Vráť druhú odmocninu čísla.",
 	"MATH_SINGLE_OP_ABSOLUTE": "absolútna hodnota",
@@ -146,7 +128,6 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Vráť logaritmus čísla so základom 10.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Vráť e umocnené číslom.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Vráť 10 umocnené číslom.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "Vráť sínus uhla (v stupňoch).",
 	"MATH_TRIG_TOOLTIP_COS": "Vráť kosínus uhla (v stupňoch).",
 	"MATH_TRIG_TOOLTIP_TAN": "Vráť tangens uhla (v stupňoch).",
@@ -163,10 +144,8 @@
 	"MATH_IS_NEGATIVE": "je záporné",
 	"MATH_IS_DIVISIBLE_BY": "je deliteľné",
 	"MATH_IS_TOOLTIP": "Skontroluj či je číslo párne, nepárne, celé, kladné, záporné alebo deliteľné určitým číslom. Vráť hodnotu pravda alebo nepravda.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "zmeniť %1 o %2",
 	"MATH_CHANGE_TOOLTIP": "Pridaj číslo do premennej \"%1\".",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Zaokrúhli číslo nahor alebo nadol.",
 	"MATH_ROUND_OPERATOR_ROUND": "zaokrúhli",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "zaokrúhli nahor",
@@ -187,21 +166,16 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Vráť smeroddajnú odchýlku zoznamu.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "náhodný prvok zoznamu",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Vráť náhodne zvolený prvok zoznamu.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "zvyšok po delení %1 + %2",
 	"MATH_MODULO_TOOLTIP": "Vráť zvyšok po delení jedného čísla druhým.",
 	"MATH_CONSTRAIN_TITLE": "obmedz %1 od %2 do %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Obmedzí číslo do zadaných hraníc (vrátane).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "náhodné celé číslo od %1 do %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Vráť náhodné celé číslo z určeného intervalu (vrátane).",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "náhodné číslo od 0 do 1",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Vráť náhodné číslo z intervalu 0.0 (vrátane) až 1.0.",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 of X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Vráťte arktangent bodu (X, Y) v stupňoch od -180 do 180.",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Písmeno, slovo alebo riadok textu.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "vytvor text z",
 	"TEXT_JOIN_TOOLTIP": "Vytvor text spojením určitého počtu prvkov.",
@@ -255,7 +229,6 @@
 	"TEXT_REVERSE_TOOLTIP": "Obrátiť poradie písmen v texte.",
 	"LISTS_CREATE_EMPTY_TITLE": "prázdny zoznam",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Vráti zoznam nulovej dĺžky, ktorý neobsahuje žiadne prvky.",
-	"LISTS_CREATE_WITH_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_CREATE_WITH_TOOLTIP": "Vytvor zoznam s ľubovoľným počtom prvkov.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "vytvor zoznam s",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "zoznam",
@@ -310,7 +283,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "po # od konca",
 	"LISTS_GET_SUBLIST_END_LAST": "po koniec",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Skopíruje určený úsek zoznamu.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "zoradiť %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Zoradiť kópiu zoznamu.",
 	"LISTS_SORT_ORDER_ASCENDING": "Vzostupne",
@@ -353,5 +325,8 @@
 	"PROCEDURES_IFRETURN_TOOLTIP": "Ak je hodnota pravda, tak vráti druhú hodnotu.",
 	"PROCEDURES_IFRETURN_WARNING": "Upozornenie: Tento blok môže byť len vo vnútri funkcie.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Povedz niečo...",
-	"WORKSPACE_ARIA_LABEL": "Pracovisko Bloskly"
+	"WORKSPACE_ARIA_LABEL": "Pracovisko Bloskly",
+	"COLLAPSED_WARNINGS_WARNING": "Zrútené bloky obsahujú varovanie.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Zrušiť"
 }
diff --git a/msg/json/skr-arab.json b/msg/json/skr-arab.json
index b1b0c3f2763..ed1d42c0602 100644
--- a/msg/json/skr-arab.json
+++ b/msg/json/skr-arab.json
@@ -5,10 +5,12 @@
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "آئٹم",
+	"UNNAMED_KEY": "بغیر ناں",
 	"TODAY": "اڄ",
 	"DUPLICATE_BLOCK": "ڈپلیکیٹ",
 	"ADD_COMMENT": "تبصرہ کرو",
 	"REMOVE_COMMENT": "رائے مٹاؤ",
+	"DUPLICATE_COMMENT": "نقل تبصرہ",
 	"EXTERNAL_INPUTS": "باہرلے انپٹ",
 	"INLINE_INPUTS": "ان لائن ان پٹ",
 	"DELETE_BLOCK": "بلاک مٹاؤ",
@@ -45,15 +47,6 @@
 	"CONTROLS_IF_MSG_IF": "جے",
 	"CONTROLS_IF_MSG_ELSEIF": "ٻیا اگر",
 	"CONTROLS_IF_MSG_ELSE": "وکھرا",
-	"IOS_OK": "ٹھیک ہے",
-	"IOS_CANCEL": "منسوخ",
-	"IOS_ERROR": "نقص",
-	"IOS_PROCEDURES_INPUTS": "ان پٹ",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ متغیر شامل کرو",
-	"IOS_VARIABLES_ADD_BUTTON": "شامل کرو",
-	"IOS_VARIABLES_RENAME_BUTTON": "نواں ناں لکھو",
-	"IOS_VARIABLES_DELETE_BUTTON": "مٹاؤ",
-	"IOS_VARIABLES_VARIABLE_NAME": "متغیر ناں",
 	"LOGIC_OPERATION_AND": "اتے",
 	"LOGIC_OPERATION_OR": "یا",
 	"LOGIC_NEGATE_TITLE": "%1 کائنی",
@@ -64,7 +57,12 @@
 	"LOGIC_TERNARY_IF_TRUE": "اگر سچ ہے",
 	"LOGIC_TERNARY_IF_FALSE": "اگر کوڑ ہے",
 	"MATH_NUMBER_TOOLTIP": "ہک عدد",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
+	"MATH_TRIG_SIN": "سائن",
+	"MATH_TRIG_COS": "کاس",
+	"MATH_TRIG_TAN": "ٹین",
+	"MATH_TRIG_ASIN": "اسائن",
+	"MATH_TRIG_ACOS": "اکاس",
+	"MATH_TRIG_ATAN": "اٹین",
 	"MATH_SINGLE_OP_ROOT": "مربعی جذر",
 	"MATH_SINGLE_OP_ABSOLUTE": "مطلق",
 	"MATH_IS_EVEN": "جفت ہے",
@@ -77,6 +75,7 @@
 	"MATH_ONLIST_OPERATOR_MIN": "لسٹ وچوں سب توں گھٹ",
 	"MATH_ONLIST_OPERATOR_MAX": "لسٹ وچوں سب توں ودھ",
 	"MATH_ONLIST_OPERATOR_AVERAGE": "فہرست دی اوسط",
+	"MATH_ONLIST_OPERATOR_MEDIAN": "تندیر دا وسطانیہ",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "شامل تھیوو",
 	"TEXT_LENGTH_TITLE": "%1 دی لمباݨ",
 	"TEXT_ISEMPTY_TITLE": "%1 خالی ہے",
@@ -84,6 +83,9 @@
 	"TEXT_CHARAT_FIRST": "پہلا حرف گھنو",
 	"TEXT_CHARAT_LAST": "چھیکڑی حرف گھنو",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "ٹیکسٹ وچ",
+	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "وݙی اے بی سی",
+	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "چھوٹی اے بی سی",
+	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "عنوان حالت",
 	"TEXT_PRINT_TITLE": "%1 چھاپو",
 	"LISTS_CREATE_EMPTY_TITLE": "خالی تندیر بݨاؤ",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "فہرست",
@@ -92,10 +94,11 @@
 	"LISTS_GET_INDEX_GET": "گھنو",
 	"LISTS_GET_INDEX_GET_REMOVE": "گھنو تے ہٹاؤ",
 	"LISTS_GET_INDEX_REMOVE": "ہٹاؤ",
+	"LISTS_GET_INDEX_FROM_START": "#",
 	"LISTS_GET_INDEX_FROM_END": "# چھیکڑ کنوں",
 	"LISTS_GET_INDEX_FIRST": "پہلا",
 	"LISTS_GET_INDEX_LAST": "چھیکڑی",
-	"LISTS_GET_INDEX_RANDOM": "پُٹھے سِدھے",
+	"LISTS_GET_INDEX_RANDOM": "بے ترتیبا",
 	"LISTS_SET_INDEX_SET": "سیٹ",
 	"LISTS_SET_INDEX_INSERT": "تے درج کرو",
 	"LISTS_SET_INDEX_INPUT_TO": "بطور",
@@ -108,5 +111,7 @@
 	"PROCEDURES_BEFORE_PARAMS": "نال:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "نال:",
 	"PROCEDURES_DEFRETURN_RETURN": "واپس آ ونڄو",
-	"PROCEDURES_MUTATORARG_TITLE": "ان پُٹ ناں:"
+	"PROCEDURES_MUTATORARG_TITLE": "ان پُٹ ناں:",
+	"DIALOG_OK": "ٹھیک ہے",
+	"DIALOG_CANCEL": "منسوخ"
 }
diff --git a/msg/json/sl.json b/msg/json/sl.json
index ace2432d25e..fb37328e71a 100644
--- a/msg/json/sl.json
+++ b/msg/json/sl.json
@@ -3,6 +3,7 @@
 		"authors": [
 			"Anzeljg",
 			"Dbc334",
+			"Eleassar",
 			"HairyFotr",
 			"Igor.pesek",
 			"LoveMortuus",
@@ -11,7 +12,7 @@
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "element",
-	"UNNAMED_KEY": "neimenovano",
+	"UNNAMED_KEY": "nepoimenovano",
 	"TODAY": "Danes",
 	"DUPLICATE_BLOCK": "Podvoji",
 	"ADD_COMMENT": "Dodaj komentar",
@@ -19,16 +20,16 @@
 	"DUPLICATE_COMMENT": "Podvoji komentar",
 	"EXTERNAL_INPUTS": "Zunanji vnosi",
 	"INLINE_INPUTS": "Vrstični vnosi",
-	"DELETE_BLOCK": "Izbriši delček",
-	"DELETE_X_BLOCKS": "Izbriši delčke (%1)",
-	"DELETE_ALL_BLOCKS": "Izbrišem vse delčke (%1)?",
-	"CLEAN_UP": "Ponastavi delčke",
-	"COLLAPSE_BLOCK": "Skrči delček",
-	"COLLAPSE_ALL": "Skrči delčke",
-	"EXPAND_BLOCK": "Razširi delček",
-	"EXPAND_ALL": "Razširi delčke",
-	"DISABLE_BLOCK": "Onemogoči delček",
-	"ENABLE_BLOCK": "Omogoči delček",
+	"DELETE_BLOCK": "Izbriši blok",
+	"DELETE_X_BLOCKS": "Izbriši bloke (%1)",
+	"DELETE_ALL_BLOCKS": "Izbrišem vse bloke (%1)?",
+	"CLEAN_UP": "Ponastavi bloke",
+	"COLLAPSE_BLOCK": "Strni blok",
+	"COLLAPSE_ALL": "Strni bloke",
+	"EXPAND_BLOCK": "Razširi blok",
+	"EXPAND_ALL": "Razširi bloke",
+	"DISABLE_BLOCK": "Onemogoči blok",
+	"ENABLE_BLOCK": "Omogoči blok",
 	"HELP": "Pomoč",
 	"UNDO": "Razveljavi",
 	"REDO": "Ponovi",
@@ -36,124 +37,94 @@
 	"RENAME_VARIABLE": "Preimenuj spremenljivko ...",
 	"RENAME_VARIABLE_TITLE": "Preimenuj vse spremenljivke »%1« v:",
 	"NEW_VARIABLE": "Ustvari spremenljivko ...",
-	"NEW_STRING_VARIABLE": "Ustvari spremenljivko niza",
-	"NEW_NUMBER_VARIABLE": "Ustvari spremenljivko števila",
-	"NEW_COLOUR_VARIABLE": "Ustvari spremenljivko barve",
-	"NEW_VARIABLE_TYPE_TITLE": "Novi tip spremenljivke:",
+	"NEW_STRING_VARIABLE": "Ustvari spremenljivko niza ...",
+	"NEW_NUMBER_VARIABLE": "Ustvari spremenljivko števila ...",
+	"NEW_COLOUR_VARIABLE": "Ustvari spremenljivko barve ...",
+	"NEW_VARIABLE_TYPE_TITLE": "Vrsta nove spremenljivke:",
 	"NEW_VARIABLE_TITLE": "Ime nove spremenljivke:",
 	"VARIABLE_ALREADY_EXISTS": "Spremenljivka »%1« že obstaja.",
-	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Spremenljivka z imenom »%1« že obstaja za tip »%2«",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Spremenljivka z imenom »%1« za tip »%2« že obstaja.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Spremenljivka z imenom »%1« že obstaja kot parameter v postopku »%2«.",
 	"DELETE_VARIABLE_CONFIRMATION": "Izbrišem %1 uporab spremenljivke »%2«?",
-	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Ni mogoče izbrisati spremenljivke »%1«, ker je uporabljena v definiciji funkcije »%2«",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Ni mogoče izbrisati spremenljivke »%1«, ker je uporabljena v definiciji funkcije »%2«.",
 	"DELETE_VARIABLE": "Izbriši spremenljivko »%1«",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
-	"COLOUR_PICKER_TOOLTIP": "Izberi barvo s palete.",
+	"COLOUR_PICKER_HELPURL": "https://sl.wikipedia.org/wiki/Barva",
+	"COLOUR_PICKER_TOOLTIP": "Izberite barvo s palete.",
 	"COLOUR_RANDOM_TITLE": "naključna barva",
-	"COLOUR_RANDOM_TOOLTIP": "Izbere naključno barvo.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
+	"COLOUR_RANDOM_TOOLTIP": "Izberite naključno barvo.",
 	"COLOUR_RGB_TITLE": "določena barva",
 	"COLOUR_RGB_RED": "rdeča",
 	"COLOUR_RGB_GREEN": "zelena",
 	"COLOUR_RGB_BLUE": "modra",
 	"COLOUR_RGB_TOOLTIP": "Ustvari barvo z določeno količino rdeče, zelene in modre. Vse vrednosti morajo biti med 0 in 100.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "mešanica",
 	"COLOUR_BLEND_COLOUR1": "barva 1",
 	"COLOUR_BLEND_COLOUR2": "barva 2",
 	"COLOUR_BLEND_RATIO": "razmerje",
-	"COLOUR_BLEND_TOOLTIP": "Zmeša dve barvi v danem razmerju (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
-	"CONTROLS_REPEAT_TITLE": "ponovi %1 krat",
+	"COLOUR_BLEND_TOOLTIP": "Zmeša dve barvi v določene razmerju (0,0 – 1,0).",
+	"CONTROLS_REPEAT_HELPURL": "https://sl.wikipedia.org/wiki/Zanka_for",
+	"CONTROLS_REPEAT_TITLE": "ponovi %1-krat",
 	"CONTROLS_REPEAT_INPUT_DO": "izvedi",
-	"CONTROLS_REPEAT_TOOLTIP": "Delčki se izvedejo večkrat.",
-	"CONTROLS_WHILEUNTIL_HELPURL": "https://github.com/google/blockly/wiki/Loops#repeat",
-	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "ponavljaj dokler",
-	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "ponavljaj dokler ni",
-	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Delčki se izvajajo dokler je vrednost resnična.",
-	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Delčki se izvajajo dokler je vrednost neresnična.",
-	"CONTROLS_FOR_HELPURL": "https://github.com/google/blockly/wiki/Loops#count-with",
-	"CONTROLS_FOR_TOOLTIP": "Vrednost spremenljivke »%1« se spreminja od začetnega števila do končnega števila, z določenim korakom. Pri tem se izvedejo določeni delčki.",
+	"CONTROLS_REPEAT_TOOLTIP": "Določeni stavki se izvedejo večkrat.",
+	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "ponavljaj, dokler",
+	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "ponavljaj, dokler ni",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "Določeni stavki se izvajajo, dokler je vrednost resnična.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "Določeni stavki se izvajajo, dokler je vrednost neresnična.",
+	"CONTROLS_FOR_TOOLTIP": "Vrednost spremenljivke »%1« se v določenem koraku spreminja od začetnega do končnega števila. Pri tem se izvedejo določeni bloki.",
 	"CONTROLS_FOR_TITLE": "štej s/z %1 od %2 do %3 po %4",
-	"CONTROLS_FOREACH_HELPURL": "https://github.com/google/blockly/wiki/Loops#for-each",
 	"CONTROLS_FOREACH_TITLE": "za vsak element %1 v seznamu %2",
-	"CONTROLS_FOREACH_TOOLTIP": "Za vsak element v seznamu, nastavi spremenljivko »%1« na ta element. Pri tem se izvedejo določeni delčki.",
-	"CONTROLS_FLOW_STATEMENTS_HELPURL": "https://github.com/google/blockly/wiki/Loops#loop-termination-blocks",
-	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "izstopi iz zanke",
-	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "nadaljuj z naslednjo ponovitvijo zanke",
-	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Izstopi iz trenutne zanke.",
-	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "Preskoči preostanek te zanke in nadaljuje z naslednjo ponovitvijo.",
-	"CONTROLS_FLOW_STATEMENTS_WARNING": "Pozor: Ta delček lahko uporabiš samo znotraj zanke.",
-	"CONTROLS_IF_HELPURL": "https://github.com/google/blockly/wiki/IfElse",
-	"CONTROLS_IF_TOOLTIP_1": "Če je vrednost resnična, izvedi določene delčke.",
-	"CONTROLS_IF_TOOLTIP_2": "Če je vrednost resnična, izvedi prvo skupino delčkov. Sicer izvedi drugo skupino delčkov.",
-	"CONTROLS_IF_TOOLTIP_3": "Če je prva vrednost resnična, izvedi prvo skupino delčkov. Sicer, če je resnična druga vrednost, izvedi drugo skupino delčkov.",
-	"CONTROLS_IF_TOOLTIP_4": "Če je prva vrednost resnična, izvedi prvo skupino delčkov. Sicer, če je resnična druga vrednost, izvedi drugo skupino delčkov. Če nobena izmed vrednosti ni resnična, izvedi zadnjo skupino delčkov.",
+	"CONTROLS_FOREACH_TOOLTIP": "Za vsak element v seznamu nastavi spremenljivko »%1« na ta element. Pri tem se izvedejo določeni stavki.",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "prekini zanko",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "nadaljuj z naslednjo iteracijo zanke",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "Prekine vsebujočo zanko.",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "Preskočite preostanek te zanke in nadaljujte z naslednjo iteracijo.",
+	"CONTROLS_FLOW_STATEMENTS_WARNING": "Pozor: Ta blok lahko uporabite znotraj zanke samo enkrat.",
+	"CONTROLS_IF_TOOLTIP_1": "Če je vrednost resnična, izvedi določene stavke.",
+	"CONTROLS_IF_TOOLTIP_2": "Če je vrednost resnična, izvedi prvo skupino stavkov. Sicer izvedi drugo skupino stavkov.",
+	"CONTROLS_IF_TOOLTIP_3": "Če je prva vrednost resnična, izvedi prvo skupino stavkov. Sicer, če je resnična druga vrednost, izvedi drugo skupino stavkov.",
+	"CONTROLS_IF_TOOLTIP_4": "Če je prva vrednost resnična, izvedi prvo skupino stavkov. Sicer, če je resnična druga vrednost, izvedi drugo skupino stavkov. Če ni resnična nobena od vrednosti, izvedi zadnjo skupino stavkov.",
 	"CONTROLS_IF_MSG_IF": "če",
 	"CONTROLS_IF_MSG_ELSEIF": "sicer če",
 	"CONTROLS_IF_MSG_ELSE": "sicer",
-	"CONTROLS_IF_IF_TOOLTIP": "Dodaj, odstrani ali spremeni vrstni red odsekov za ponovno nastavitev »če« delčka.",
-	"CONTROLS_IF_ELSEIF_TOOLTIP": "Dodaj pogoj »če« delčku.",
-	"CONTROLS_IF_ELSE_TOOLTIP": "Dodaj končni pogoj »če« delčku.",
-	"IOS_OK": "V redu",
-	"IOS_CANCEL": "Prekliči",
-	"IOS_ERROR": "Napaka",
-	"IOS_PROCEDURES_INPUTS": "VNOSI",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Dodaj vnos",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Vsebuje delčke",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Ta funkcija ima podvojene vnose",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Dodaj spremenljivko",
-	"IOS_VARIABLES_ADD_BUTTON": "Dodaj",
-	"IOS_VARIABLES_RENAME_BUTTON": "Preimenuj",
-	"IOS_VARIABLES_DELETE_BUTTON": "Izbriši",
-	"IOS_VARIABLES_VARIABLE_NAME": "Ime spremenljivke",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Ne moreš uporabiti spremenljivke brez imena.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
+	"CONTROLS_IF_IF_TOOLTIP": "Dodajte, odstranite ali spremenite vrstni red odsekov za ponovno nastavitev bloka »če«.",
+	"CONTROLS_IF_ELSEIF_TOOLTIP": "Dodajte bloku »če« pogoj.",
+	"CONTROLS_IF_ELSE_TOOLTIP": "Dodajte bloku »če« končni pogoj.",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Vrne resnično, če sta vnosa enaka.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Vrne resnično, če vnosa nista enaka.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Vrne resnično, če je prvi vnos manjši od drugega.",
 	"LOGIC_COMPARE_TOOLTIP_LTE": "Vrne resnično, če je prvi vnos manjši ali enak drugemu.",
 	"LOGIC_COMPARE_TOOLTIP_GT": "Vrne resnično, če je prvi vnos večji od drugega.",
 	"LOGIC_COMPARE_TOOLTIP_GTE": "Vrne resnično, če je prvi vnos večji ali enak drugemu.",
-	"LOGIC_OPERATION_HELPURL": "https://github.com/google/blockly/wiki/Logic#logical-operations",
 	"LOGIC_OPERATION_TOOLTIP_AND": "Vrne resnično, če sta oba vnosa resnična.",
 	"LOGIC_OPERATION_AND": "in",
 	"LOGIC_OPERATION_TOOLTIP_OR": "Vrne resnično, če je vsaj eden od vnosov resničen.",
 	"LOGIC_OPERATION_OR": "ali",
-	"LOGIC_NEGATE_HELPURL": "https://github.com/google/blockly/wiki/Logic#not",
 	"LOGIC_NEGATE_TITLE": "ne %1",
 	"LOGIC_NEGATE_TOOLTIP": "Vrne resnično, če je vnos neresničen. Vrne neresnično, če je vnos resničen.",
-	"LOGIC_BOOLEAN_HELPURL": "https://github.com/google/blockly/wiki/Logic#values",
 	"LOGIC_BOOLEAN_TRUE": "resnično",
 	"LOGIC_BOOLEAN_FALSE": "neresnično",
 	"LOGIC_BOOLEAN_TOOLTIP": "Vrne resnično ali neresnično.",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "prazno",
 	"LOGIC_NULL_TOOLTIP": "Vrne prazno.",
-	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "test",
 	"LOGIC_TERNARY_IF_TRUE": "če resnično",
 	"LOGIC_TERNARY_IF_FALSE": "če neresnično",
 	"LOGIC_TERNARY_TOOLTIP": "Preveri pogoj v »testu«. Če je pogoj resničen, potem vrne vrednost »če resnično«; sicer vrne vrednost »če neresnično«.",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
+	"MATH_NUMBER_HELPURL": "https://sl.wikipedia.org/wiki/%C5%A0tevilo",
 	"MATH_NUMBER_TOOLTIP": "Število.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tan",
 	"MATH_TRIG_ASIN": "asin",
 	"MATH_TRIG_ACOS": "acos",
 	"MATH_TRIG_ATAN": "atan",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
+	"MATH_ARITHMETIC_HELPURL": "https://sl.wikipedia.org/wiki/Aritmetika",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Vrne vsoto dveh števil.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Vrne razliko dveh števil.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Vrne zmnožek dveh števil.",
-	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Vrne kvocient dveh števil.",
+	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Vrne količnik dveh števil.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Vrne prvo število na potenco drugega števila.",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
+	"MATH_SINGLE_HELPURL": "https://sl.wikipedia.org/wiki/Kvadratni_koren",
 	"MATH_SINGLE_OP_ROOT": "kvadratni koren",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Vrne kvadratni koren števila.",
 	"MATH_SINGLE_OP_ABSOLUTE": "absolutno",
@@ -163,15 +134,15 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Vrne desetiški logaritem števila.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Vrne e na potenco števila.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Vrne 10 na potenco števila.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
+	"MATH_TRIG_HELPURL": "https://sl.wikipedia.org/wiki/Trigonometrična_funkcija",
 	"MATH_TRIG_TOOLTIP_SIN": "Vrne sinus kota v stopinjah (ne radianih).",
 	"MATH_TRIG_TOOLTIP_COS": "Vrne kosinus kota v stopinjah (ne radianih).",
 	"MATH_TRIG_TOOLTIP_TAN": "Vrne tangens kota v stopinjah (ne radianih).",
 	"MATH_TRIG_TOOLTIP_ASIN": "Vrne arkus sinus števila.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Vrne arkus kosinus števila.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Vrne arkus tangens števila.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
-	"MATH_CONSTANT_TOOLTIP": "Vrne eno izmed običajnih konstant: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), ali ∞ (neskončno).",
+	"MATH_CONSTANT_HELPURL": "https://sl.wikipedia.org/wiki/Matematična_konstanta",
+	"MATH_CONSTANT_TOOLTIP": "Vrne eno izmed pogostih konstant: π (3,141…), e (2,718…), φ (1,618…), sqrt(2) (1,414…), sqrt(½) (0,707 ...) ali ∞ (neskončno).",
 	"MATH_IS_EVEN": "je sodo",
 	"MATH_IS_ODD": "je liho",
 	"MATH_IS_PRIME": "je praštevilo",
@@ -179,60 +150,57 @@
 	"MATH_IS_POSITIVE": "je pozitivno",
 	"MATH_IS_NEGATIVE": "je negativno",
 	"MATH_IS_DIVISIBLE_BY": "je deljivo s/z",
-	"MATH_IS_TOOLTIP": "Preveri, če je število sodo, liho, praštevilo, celo, pozitivno, negativno ali, če je deljivo z določenim številom. Vrne resnično ali neresnično.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
+	"MATH_IS_TOOLTIP": "Preveri, ali je število sodo, liho, praštevilo, celo, pozitivno, negativno ali če je deljivo z določenim številom. Vrne resnično ali neresnično.",
+	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Increment_and_decrement_operators",
 	"MATH_CHANGE_TITLE": "spremeni %1 za %2",
-	"MATH_CHANGE_TOOLTIP": "Prišteje število k spremenljivki '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
+	"MATH_CHANGE_TOOLTIP": "Prišteje število k spremenljivki »%1«.",
+	"MATH_ROUND_HELPURL": "https://sl.wikipedia.org/wiki/Zaokro%C5%BEanje",
 	"MATH_ROUND_TOOLTIP": "Zaokroži število navzgor ali navzdol.",
 	"MATH_ROUND_OPERATOR_ROUND": "zaokroži",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "zaokroži navzgor",
 	"MATH_ROUND_OPERATOR_ROUNDDOWN": "zaokroži navzdol",
 	"MATH_ONLIST_OPERATOR_SUM": "vsota seznama",
-	"MATH_ONLIST_TOOLTIP_SUM": "Vrne vsoto vseh števil na seznamu.",
+	"MATH_ONLIST_TOOLTIP_SUM": "Vrne vsoto vseh števil v seznamu.",
 	"MATH_ONLIST_OPERATOR_MIN": "minimum seznama",
-	"MATH_ONLIST_TOOLTIP_MIN": "Vrne najmanjše število na seznamu.",
+	"MATH_ONLIST_TOOLTIP_MIN": "Vrne najmanjše število v seznamu.",
 	"MATH_ONLIST_OPERATOR_MAX": "maksimum seznama",
-	"MATH_ONLIST_TOOLTIP_MAX": "Vrne največje število na seznamu.",
+	"MATH_ONLIST_TOOLTIP_MAX": "Vrne največje število v seznamu.",
 	"MATH_ONLIST_OPERATOR_AVERAGE": "povprečje seznama",
-	"MATH_ONLIST_TOOLTIP_AVERAGE": "Vrne povprečje (aritmetično sredino) števil na seznamu.",
+	"MATH_ONLIST_TOOLTIP_AVERAGE": "Vrne povprečje (aritmetično sredino) števil v seznamu.",
 	"MATH_ONLIST_OPERATOR_MEDIAN": "mediana seznama",
-	"MATH_ONLIST_TOOLTIP_MEDIAN": "Vrne mediano števil na seznamu.",
+	"MATH_ONLIST_TOOLTIP_MEDIAN": "Vrne mediano število v seznamu.",
 	"MATH_ONLIST_OPERATOR_MODE": "modus seznama",
-	"MATH_ONLIST_TOOLTIP_MODE": "Vrne seznam najpogostejšega elementa(-ov) na seznamu.",
-	"MATH_ONLIST_OPERATOR_STD_DEV": "standardni odklon seznama",
-	"MATH_ONLIST_TOOLTIP_STD_DEV": "Vrne standardni odklon seznama.",
+	"MATH_ONLIST_TOOLTIP_MODE": "Vrne seznam najpogostejšega(ih) elementa(-ov) v seznamu.",
+	"MATH_ONLIST_OPERATOR_STD_DEV": "standardni odmik seznama",
+	"MATH_ONLIST_TOOLTIP_STD_DEV": "Vrne standardni odmik elementov v seznamu.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "naključni element seznama",
-	"MATH_ONLIST_TOOLTIP_RANDOM": "Vrne naključno število izmed števil na seznamu.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
+	"MATH_ONLIST_TOOLTIP_RANDOM": "Vrne naključno število izmed števil v seznamu.",
+	"MATH_MODULO_HELPURL": "https://sl.wikipedia.org/wiki/Modulo",
 	"MATH_MODULO_TITLE": "ostanek pri %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Vrne ostanek pri deljenju dveh števil.",
-	"MATH_CONSTRAIN_HELPURL": "https://en.wikipedia.org/wiki/Clamping_%28graphics%29",
 	"MATH_CONSTRAIN_TITLE": "omeji %1 na najmanj %2 in največ %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Omeji število, da bo med določenima (vključenima) mejama.",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "naključno število med %1 in %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Vrne naključno število med dvema določenima mejama, vključno z mejama.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "naključni ulomek",
-	"MATH_RANDOM_FLOAT_TOOLTIP": "Vrne naključni ulomek med (vključno) 0.0 in 1.0 (izključno).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
-	"MATH_ATAN2_TITLE": "atan2 koordinate X:%1 in Y:%2",
-	"MATH_ATAN2_TOOLTIP": "Vrne arkus tangens točke (X, Y) v stopinjah med -180 in 180.",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
+	"MATH_RANDOM_FLOAT_TOOLTIP": "Vrne naključni ulomek med (vključno) 0,0 in 1,0 (izključno).",
+	"MATH_ATAN2_HELPURL": "https://sl.wikipedia.org/wiki/Atan2",
+	"MATH_ATAN2_TITLE": "atan2 koordinat X: %1 in Y: %2",
+	"MATH_ATAN2_TOOLTIP": "Vrne arkus tangens točke (X, Y) v stopinjah med −180 in 180.",
+	"TEXT_TEXT_HELPURL": "https://sl.wikipedia.org/wiki/Niz",
 	"TEXT_TEXT_TOOLTIP": "Črka, beseda ali vrstica besedila.",
 	"TEXT_JOIN_HELPURL": "https://github.com/google/blockly/wiki/Text#text-creation",
 	"TEXT_JOIN_TITLE_CREATEWITH": "ustvari besedilo iz",
 	"TEXT_JOIN_TOOLTIP": "Ustvari besedilo tako, da združi poljubno število elementov.",
-	"TEXT_CREATE_JOIN_TITLE_JOIN": "združi",
-	"TEXT_CREATE_JOIN_TOOLTIP": "Doda, odstrani ali spremeni vrstni red elementov tega besedila.",
+	"TEXT_CREATE_JOIN_TITLE_JOIN": "spoji",
+	"TEXT_CREATE_JOIN_TOOLTIP": "Doda, odstrani ali spremeni vrstni red odsekov za ponovno nastavitev tega bloka besedila.",
 	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "Doda element k besedilu.",
 	"TEXT_APPEND_HELPURL": "https://github.com/google/blockly/wiki/Text#text-modification",
-	"TEXT_APPEND_TITLE": "k %1 dodaj besedilo %2",
-	"TEXT_APPEND_TOOLTIP": "Doda besedilo k spremenljivki '%1'.",
+	"TEXT_APPEND_TITLE": "k %1 pripni besedilo %2",
+	"TEXT_APPEND_TOOLTIP": "Pripne neko besedilo spremenljivki »%1«.",
 	"TEXT_LENGTH_HELPURL": "https://github.com/google/blockly/wiki/Text#text-modification",
 	"TEXT_LENGTH_TITLE": "dolžina %1",
-	"TEXT_LENGTH_TOOLTIP": "Vrne število črk oz. znakov (vključno s presledki) v določenem besedilu.",
+	"TEXT_LENGTH_TOOLTIP": "Vrne število znakov (vključno s presledki) v določenem besedilu.",
 	"TEXT_ISEMPTY_HELPURL": "https://github.com/google/blockly/wiki/Text#checking-for-empty-text",
 	"TEXT_ISEMPTY_TITLE": "%1 je prazno",
 	"TEXT_ISEMPTY_TOOLTIP": "Vrne resnično, če je določeno besedilo prazno.",
@@ -248,13 +216,12 @@
 	"TEXT_CHARAT_FIRST": "vrni prvo črko",
 	"TEXT_CHARAT_LAST": "vrni zadnjo črko",
 	"TEXT_CHARAT_RANDOM": "vrni naključno črko",
-	"TEXT_CHARAT_TOOLTIP": "Vrne črko na določenem mestu v besedilu.",
+	"TEXT_CHARAT_TOOLTIP": "Vrne črko na določenem mestu.",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "Vrne določen del besedila.",
-	"TEXT_GET_SUBSTRING_HELPURL": "https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "iz besedila",
-	"TEXT_GET_SUBSTRING_START_FROM_START": "vrni del od črke št.",
-	"TEXT_GET_SUBSTRING_START_FROM_END": "vrni del od črke št. od konca",
-	"TEXT_GET_SUBSTRING_START_FIRST": "vrni del od prve črke",
+	"TEXT_GET_SUBSTRING_START_FROM_START": "vrni podniz od črke št.",
+	"TEXT_GET_SUBSTRING_START_FROM_END": "vrni podniz od črke št. od konca",
+	"TEXT_GET_SUBSTRING_START_FIRST": "vrni podniz od prve črke",
 	"TEXT_GET_SUBSTRING_END_FROM_START": "do črke št.",
 	"TEXT_GET_SUBSTRING_END_FROM_END": "do črke št. od konca",
 	"TEXT_GET_SUBSTRING_END_LAST": "do zadnje črke",
@@ -263,45 +230,38 @@
 	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "v VELIKE ČRKE",
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "v male črke",
 	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "v Velike Začetnice",
-	"TEXT_TRIM_HELPURL": "https://github.com/google/blockly/wiki/Text#trimming-removing-spaces",
 	"TEXT_TRIM_TOOLTIP": "Vrne kopijo besedila z odstranjenimi presledki z ene ali obeh strani.",
 	"TEXT_TRIM_OPERATOR_BOTH": "odstrani presledke z obeh strani",
 	"TEXT_TRIM_OPERATOR_LEFT": "odstrani presledke z leve strani",
 	"TEXT_TRIM_OPERATOR_RIGHT": "odstrani presledke z desne strani",
 	"TEXT_PRINT_HELPURL": "https://github.com/google/blockly/wiki/Text#printing-text",
 	"TEXT_PRINT_TITLE": "izpiši %1",
-	"TEXT_PRINT_TOOLTIP": "Izpiše določeno besedilo, število ali drugo vrednost.",
-	"TEXT_PROMPT_HELPURL": "https://github.com/google/blockly/wiki/Text#getting-input-from-the-user",
+	"TEXT_PRINT_TOOLTIP": "Izpiše določeno besedilo, številko ali drugo vrednost.",
 	"TEXT_PROMPT_TYPE_TEXT": "vprašaj za besedilo s sporočilom",
-	"TEXT_PROMPT_TYPE_NUMBER": "vprašaj za število s sporočilom",
-	"TEXT_PROMPT_TOOLTIP_NUMBER": "Vpraša uporabnika za vnos števila.",
+	"TEXT_PROMPT_TYPE_NUMBER": "vprašaj za številko s sporočilom",
+	"TEXT_PROMPT_TOOLTIP_NUMBER": "Vpraša uporabnika za vnos številke.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Vpraša uporabnika za vnos besedila.",
 	"TEXT_COUNT_MESSAGE0": "preštej %1 v %2",
-	"TEXT_COUNT_TOOLTIP": "Prešteje kolikokrat se neko besedilo pojavi znotraj drugega besedila.",
+	"TEXT_COUNT_TOOLTIP": "Preštej, kolikokrat se neko besedilo pojavi v drugem besedilu.",
 	"TEXT_REPLACE_MESSAGE0": "zamenjaj %1 z %2 v %3",
-	"TEXT_REPLACE_TOOLTIP": "Zamenja vse pojavitve besedila znotraj drugega besedila.",
+	"TEXT_REPLACE_TOOLTIP": "Zamenja vse pojavitve besedila v drugem besedilu.",
 	"TEXT_REVERSE_MESSAGE0": "obrni %1",
+	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "Obrne vrstni red znakov v besedilu.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "ustvari prazen seznam",
-	"LISTS_CREATE_EMPTY_TOOLTIP": "Vrne seznam, dolžine 0, ki ne vsebuje nobenih podatkov.",
-	"LISTS_CREATE_WITH_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
+	"LISTS_CREATE_EMPTY_TOOLTIP": "Vrne seznam dolžine 0, ki ne vsebuje nobenih podatkovnih zapisov.",
 	"LISTS_CREATE_WITH_TOOLTIP": "Ustvari seznam s poljubnim številom elementov.",
-	"LISTS_CREATE_WITH_INPUT_WITH": "ustvari seznam s/z",
+	"LISTS_CREATE_WITH_INPUT_WITH": "ustvari seznam iz",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "seznam",
-	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "Doda, odstrani ali spremeni vrstni red elementov tega seznama.",
-	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "Doda element seznamu.",
-	"LISTS_REPEAT_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
-	"LISTS_REPEAT_TOOLTIP": "Ustvari seznam z danim elementom, ki se poljubno mnogo krat ponovi.",
-	"LISTS_REPEAT_TITLE": "ustvari seznam z elementom %1, ki se ponovi %2 krat",
-	"LISTS_LENGTH_HELPURL": "https://github.com/google/blockly/wiki/Lists#length-of",
+	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "Doda, odstrani ali spremeni vrstni red blokov seznama.",
+	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "Doda element v seznam.",
+	"LISTS_REPEAT_TOOLTIP": "Ustvari seznam iz dane vrednosti z določenim številom ponovitev.",
+	"LISTS_REPEAT_TITLE": "ustvari seznam z elementom %1, ki se ponovi %2-krat",
 	"LISTS_LENGTH_TITLE": "dolžina %1",
 	"LISTS_LENGTH_TOOLTIP": "Vrne dolžino seznama.",
-	"LISTS_ISEMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#is-empty",
 	"LISTS_ISEMPTY_TITLE": "%1 je prazen",
 	"LISTS_ISEMPTY_TOOLTIP": "Vrne resnično, če je seznam prazen.",
 	"LISTS_INLIST": "v seznamu",
-	"LISTS_INDEX_OF_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list",
 	"LISTS_INDEX_OF_FIRST": "najdi prvo pojavitev elementa",
 	"LISTS_INDEX_OF_LAST": "najdi zadnjo pojavitev elementa",
 	"LISTS_INDEX_OF_TOOLTIP": "Vrne mesto (indeks) prve/zadnje pojavitve elementa v seznamu. Če elementa ne najde, vrne %1.",
@@ -327,7 +287,6 @@
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST": "Odstrani prvi element seznama.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST": "Odstrani zadnji element seznama.",
 	"LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM": "Odstrani naključni element seznama.",
-	"LISTS_SET_INDEX_HELPURL": "https://github.com/google/blockly/wiki/Lists#in-list--set",
 	"LISTS_SET_INDEX_SET": "nastavi na",
 	"LISTS_SET_INDEX_INSERT": "vstavi na",
 	"LISTS_SET_INDEX_INPUT_TO": "element",
@@ -337,65 +296,60 @@
 	"LISTS_SET_INDEX_TOOLTIP_SET_RANDOM": "Nastavi naključni element seznama.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FROM": "Vstavi element na določeno mesto v seznamu.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "Vstavi element na začetek seznama.",
-	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Doda element na konec seznama.",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "Pripne element na konec seznama.",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "Vstavi element na naključno mesto v seznamu.",
-	"LISTS_GET_SUBLIST_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-a-sublist",
 	"LISTS_GET_SUBLIST_START_FROM_START": "ustvari podseznam od mesta št.",
 	"LISTS_GET_SUBLIST_START_FROM_END": "ustvari podseznam od mesta št. od konca",
 	"LISTS_GET_SUBLIST_START_FIRST": "ustvari podseznam od prvega mesta",
 	"LISTS_GET_SUBLIST_END_FROM_START": "do mesta št.",
 	"LISTS_GET_SUBLIST_END_FROM_END": "do mesta št. od konca",
 	"LISTS_GET_SUBLIST_END_LAST": "do zadnjega mesta",
-	"LISTS_GET_SUBLIST_TOOLTIP": "Ustvari nov seznam, kot kopijo določenega dela seznama.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
+	"LISTS_GET_SUBLIST_TOOLTIP": "Ustvari kopijo določenega dela seznama.",
 	"LISTS_SORT_TITLE": "uredi %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Uredi kopijo seznama.",
 	"LISTS_SORT_ORDER_ASCENDING": "naraščajoče",
 	"LISTS_SORT_ORDER_DESCENDING": "padajoče",
-	"LISTS_SORT_TYPE_NUMERIC": "številčno",
+	"LISTS_SORT_TYPE_NUMERIC": "številsko",
 	"LISTS_SORT_TYPE_TEXT": "abecedno",
-	"LISTS_SORT_TYPE_IGNORECASE": "abecedno, brez velikosti črk",
+	"LISTS_SORT_TYPE_IGNORECASE": "abecedno, prezri velikost črk",
 	"LISTS_SPLIT_HELPURL": "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "ustvari seznam iz besedila",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "ustvari besedilo iz seznama",
 	"LISTS_SPLIT_WITH_DELIMITER": "z ločilom",
-	"LISTS_SPLIT_TOOLTIP_SPLIT": "Razdruži besedilo v seznam besedil. Za razdruževanje besedila uporabi ločilo.",
-	"LISTS_SPLIT_TOOLTIP_JOIN": "Združi seznam besedil v eno besedilo, ločeno z ločilom.",
+	"LISTS_SPLIT_TOOLTIP_SPLIT": "Razdruži besedilo v seznam besedil s prelomom pri vsakem ločilu.",
+	"LISTS_SPLIT_TOOLTIP_JOIN": "Spoji seznam besedil v eno besedilo z razmejevalcem med besedili.",
 	"LISTS_REVERSE_MESSAGE0": "obrni %1",
 	"LISTS_REVERSE_TOOLTIP": "Obrne kopijo seznama.",
-	"VARIABLES_GET_HELPURL": "https://github.com/google/blockly/wiki/Variables#get",
 	"VARIABLES_GET_TOOLTIP": "Vrne vrednost spremenljivke.",
-	"VARIABLES_GET_CREATE_SET": "Ustvari 'nastavi %1'",
-	"VARIABLES_SET_HELPURL": "https://github.com/google/blockly/wiki/Variables#set",
+	"VARIABLES_GET_CREATE_SET": "Ustvari »nastavi %1«",
 	"VARIABLES_SET": "nastavi %1 na %2",
 	"VARIABLES_SET_TOOLTIP": "Nastavi, da je vrednost spremenljivke enaka vnosu.",
-	"VARIABLES_SET_CREATE_GET": "Ustvari 'vrni %1'",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
+	"VARIABLES_SET_CREATE_GET": "Ustvari »vrni %1«",
 	"PROCEDURES_DEFNORETURN_TITLE": "izvedi",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "nekaj",
 	"PROCEDURES_BEFORE_PARAMS": "s/z:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "s/z:",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Ustvari funkcijo brez izhoda.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Opiši funkcijo ...",
-	"PROCEDURES_DEFRETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFRETURN_RETURN": "vrni",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Ustvari funkcijo z izhodom.",
-	"PROCEDURES_ALLOW_STATEMENTS": "vsebuje delčke",
+	"PROCEDURES_ALLOW_STATEMENTS": "dovoli stavke",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Pozor: Ta funkcija ima podvojene parametre.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
-	"PROCEDURES_CALLNORETURN_TOOLTIP": "Izvede uporabniško funkcijo '%1'.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
-	"PROCEDURES_CALLRETURN_TOOLTIP": "Izvede uporabniško funkcijo '%1' in uporabi njen izhod.",
-	"PROCEDURES_MUTATORCONTAINER_TITLE": "vnosi",
-	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Doda, odstrani ali spremeni vrstni red vnosov te funkcije.",
+	"PROCEDURES_CALLNORETURN_HELPURL": "https://sl.wikipedia.org/wiki/Subrutina",
+	"PROCEDURES_CALLNORETURN_TOOLTIP": "Izvede uporabniško določeno funkcijo »%1«.",
+	"PROCEDURES_CALLRETURN_HELPURL": "https://sl.wikipedia.org/wiki/Subrutina",
+	"PROCEDURES_CALLRETURN_TOOLTIP": "Izvede uporabniško funkcijo »%1« in uporabi njen izhod.",
+	"PROCEDURES_MUTATORCONTAINER_TITLE": "vhodi",
+	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Doda, odstrani ali spremeni vrstni red vnosov za to funkcijo.",
 	"PROCEDURES_MUTATORARG_TITLE": "ime vnosa:",
 	"PROCEDURES_MUTATORARG_TOOLTIP": "Funkciji doda vnos.",
-	"PROCEDURES_HIGHLIGHT_DEF": "Označi definicijo funkcije",
-	"PROCEDURES_CREATE_DO": "Ustvari '%1'",
+	"PROCEDURES_HIGHLIGHT_DEF": "Označi blok funkcije",
+	"PROCEDURES_CREATE_DO": "Ustvari »%1«",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Če je vrednost resnična, vrne drugo vrednost.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
-	"PROCEDURES_IFRETURN_WARNING": "Pozor: Ta delček lahko uporabiš samo znotraj definicije funkcije.",
+	"PROCEDURES_IFRETURN_WARNING": "Pozor: Ta blok lahko uporabite samo v bloku funkcije.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Povej nekaj ...",
-	"WORKSPACE_ARIA_LABEL": "Blockly-jev delovni prostor",
-	"COLLAPSED_WARNINGS_WARNING": "Skrčeni delčki vsebujejo opozorila."
+	"WORKSPACE_ARIA_LABEL": "Blocklyjev delovni prostor",
+	"COLLAPSED_WARNINGS_WARNING": "Skrčeni bloki vsebujejo opozorila.",
+	"DIALOG_OK": "V redu",
+	"DIALOG_CANCEL": "Prekliči"
 }
diff --git a/msg/json/smn.json b/msg/json/smn.json
new file mode 100644
index 00000000000..f455c7771b1
--- /dev/null
+++ b/msg/json/smn.json
@@ -0,0 +1,133 @@
+{
+	"@metadata": {
+		"authors": [
+			"Seipinne",
+			"Yupik"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "tiŋgâ",
+	"UNNAMED_KEY": "nomâttem",
+	"TODAY": "Onne",
+	"DUPLICATE_BLOCK": "Jyemeehpittá",
+	"ADD_COMMENT": "Lasseet komment",
+	"REMOVE_COMMENT": "Siho komment",
+	"DUPLICATE_COMMENT": "Dublikist komment",
+	"EXTERNAL_INPUTS": "Olgoldâs fáluseh",
+	"INLINE_INPUTS": "Pyevti fálusijd",
+	"DELETE_BLOCK": "Siho loigâttuv",
+	"DELETE_X_BLOCKS": "Siho %1 loigâttuv",
+	"DELETE_ALL_BLOCKS": "Siho puoh %1 loigâttuv?",
+	"CLEAN_UP": "Čurgii loigâttuvâid",
+	"COLLAPSE_BLOCK": "Toopâ loigâttuv",
+	"COLLAPSE_ALL": "Toopâ loigâttuvâid",
+	"EXPAND_BLOCK": "Viijđed loigâttuv",
+	"EXPAND_ALL": "Viijđed loigâttuvâid",
+	"DISABLE_BLOCK": "Časkâd loigâttuv",
+	"ENABLE_BLOCK": "Piejâ oolâ loigâttuv",
+	"HELP": "Iše",
+	"UNDO": "Koomeet",
+	"REDO": "Räähti uđđâsist",
+	"CHANGE_VALUE_TITLE": "Mute áárvu:",
+	"RENAME_VARIABLE": "Noomât uđđâsist muttojeijee...",
+	"RENAME_VARIABLE_TITLE": "Noomât uđđâsist puoh '%1' muttojeijee:",
+	"NEW_VARIABLE": "Räähti muttojeijee...",
+	"NEW_STRING_VARIABLE": "Räähti merkkâráiđumuttojeijee...",
+	"NEW_NUMBER_VARIABLE": "Räähti nummeermuttojeijee...",
+	"NEW_COLOUR_VARIABLE": "Räähti ivnemuttojeijee...",
+	"NEW_VARIABLE_TYPE_TITLE": "Uđđâ muttojeijee tijppâ:",
+	"NEW_VARIABLE_TITLE": "Uđđâ muttojeijee nommâ:",
+	"VARIABLE_ALREADY_EXISTS": "Muttojeijee mon nommâ lii '%1' lii jo lemin.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Muttojeijee, mon nommâ lii '%1', lii jo lemin nube tiijpân: '%2'.",
+	"DELETE_VARIABLE_CONFIRMATION": "Sikkop-uv %1 kevttim muttojeijeest '%2'?",
+	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Ij lah máhđulâš sikkođ muttojeijee '%1' tanen ko tot lii uási funktio miäruštâllâm '%2'",
+	"DELETE_VARIABLE": "Siho muttojeijee '%1'",
+	"COLOUR_PICKER_HELPURL": "https://smn.wikipedia.org/wiki/Ivne",
+	"COLOUR_PICKER_TOOLTIP": "Valjii ivne paletist.",
+	"COLOUR_RANDOM_TITLE": "säti-ivne",
+	"COLOUR_RANDOM_TOOLTIP": "Valjii ivne sätioornigist.",
+	"COLOUR_RGB_TITLE": "ivne, mast lii",
+	"COLOUR_RGB_RED": "ruopsâd",
+	"COLOUR_RGB_GREEN": "ruánáá",
+	"COLOUR_RGB_BLUE": "čuovjâd",
+	"COLOUR_RGB_TOOLTIP": "Räähti ivne, mast lii tiätu meeri ruopsâd, ruánáá já čuovjâd. Puoh áárvuh kalgeh leđe 0 já 100 kooskâst.",
+	"COLOUR_BLEND_TITLE": "siävuttâs",
+	"COLOUR_BLEND_COLOUR1": "ivne 1",
+	"COLOUR_BLEND_COLOUR2": "ivne 2",
+	"COLOUR_BLEND_RATIO": "koskâvuotâ",
+	"COLOUR_BLEND_TOOLTIP": "Siävvut kyevti ivne koskânis adelum koskâvuođâst (0.0 - 1.0).",
+	"CONTROLS_REPEAT_TITLE": "kiärdut %1 tove",
+	"CONTROLS_REPEAT_INPUT_DO": "poorgâ",
+	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "kiärdut ton puudâ ko",
+	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "kiärdut tassaaš ko",
+	"CONTROLS_IF_MSG_IF": "jis",
+	"CONTROLS_IF_MSG_ELSEIF": "mudoi jis",
+	"CONTROLS_IF_MSG_ELSE": "mudoi",
+	"CONTROLS_IF_ELSEIF_TOOLTIP": "Lasseet iävtu \"jis\"-loigâttâhân.",
+	"LOGIC_OPERATION_AND": "já",
+	"LOGIC_OPERATION_OR": "teikkâ",
+	"LOGIC_NEGATE_TITLE": "ij %1",
+	"LOGIC_BOOLEAN_TRUE": "tuotâ",
+	"LOGIC_BOOLEAN_FALSE": "epituotâ",
+	"LOGIC_NULL": "ij maiden",
+	"LOGIC_TERNARY_CONDITION": "testâ",
+	"LOGIC_TERNARY_IF_TRUE": "jis tuotâ",
+	"LOGIC_TERNARY_IF_FALSE": "jis epituotâ",
+	"MATH_NUMBER_TOOLTIP": "Loho.",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
+	"MATH_SINGLE_OP_ROOT": "neljihâšruotâs",
+	"MATH_SINGLE_OP_ABSOLUTE": "jiešárvu",
+	"MATH_IS_EVEN": "lii parâlâš",
+	"MATH_IS_ODD": "lii parâttem",
+	"MATH_IS_PRIME": "lii algâloho",
+	"MATH_IS_WHOLE": "lii olesloho",
+	"MATH_IS_POSITIVE": "lii positiivlâš",
+	"MATH_IS_NEGATIVE": "lii negatiivlâš",
+	"MATH_IS_DIVISIBLE_BY": "puáhtá jyehiđ lovvoin",
+	"MATH_IS_TOOLTIP": "Täärhist lii-uv nummeer parâlâs, parâttem, algâloho, olesloho, positiivlâš, negatiivlâš, teikkâ jis tom puáhtá jyehiđ nube lovvoin. Maaccât tuotâ teikkâ epituotâ.",
+	"MATH_CHANGE_TITLE": "mute %1 árvoin %2",
+	"MATH_CHANGE_TOOLTIP": "Lasseet áárvu muttojeijen '%1'.",
+	"MATH_ROUND_TOOLTIP": "Jorbee lovo pajas- teikkâ vuáluskulij.",
+	"MATH_ROUND_OPERATOR_ROUND": "jurbii",
+	"MATH_ROUND_OPERATOR_ROUNDUP": "jurbii pajaskulij",
+	"MATH_ROUND_OPERATOR_ROUNDDOWN": "jurbii vuáluskulij",
+	"MATH_ONLIST_OPERATOR_SUM": "summe lovoin",
+	"MATH_ONLIST_TOOLTIP_SUM": "Maaccât puoh adelum lovoi sume.",
+	"MATH_ONLIST_OPERATOR_MIN": "ucemus lovoin",
+	"MATH_ONLIST_TOOLTIP_MIN": "Maaccât ucemuu adelum lovoin.",
+	"MATH_ONLIST_OPERATOR_MAX": "stuárráámus lovoin",
+	"MATH_ONLIST_TOOLTIP_MAX": "Maaccât stuárráámuu adelum lovoin.",
+	"MATH_ONLIST_OPERATOR_AVERAGE": "koskâárvu lovoin",
+	"MATH_ONLIST_TOOLTIP_AVERAGE": "Maaccât aritmaattisâš koskâáárvu adelum lovoin.",
+	"MATH_ONLIST_OPERATOR_MEDIAN": "mediaan lovoin",
+	"MATH_ONLIST_TOOLTIP_MEDIAN": "Maaccât adelum lovoi mediaan.",
+	"TEXT_CREATE_JOIN_TITLE_JOIN": "labde",
+	"TEXT_PRINT_TITLE": "printtii %1",
+	"LISTS_CREATE_EMPTY_TITLE": "räähti kuárus listo",
+	"LISTS_CREATE_WITH_INPUT_WITH": "räähti listo",
+	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "listo",
+	"LISTS_LENGTH_TITLE": "%1 kukkodâh",
+	"LISTS_ISEMPTY_TITLE": "%1 lii kuárus",
+	"LISTS_INLIST": "listoost",
+	"LISTS_GET_INDEX_REMOVE": "siho",
+	"LISTS_GET_INDEX_FIRST": "vuosmuš",
+	"LISTS_GET_INDEX_LAST": "majemuš",
+	"LISTS_GET_INDEX_RANDOM": "sätinálásâš",
+	"LISTS_SORT_TITLE": "šlajâttâl %1 %2 %3",
+	"PROCEDURES_DEFNORETURN_PROCEDURE": "poorgâ maidnii",
+	"PROCEDURES_BEFORE_PARAMS": "parameettereh:",
+	"PROCEDURES_CALL_BEFORE_PARAMS": "parameettereh:",
+	"PROCEDURES_DEFNORETURN_TOOLTIP": "Räähti puáđushánnáá leijee funktio.",
+	"PROCEDURES_DEFNORETURN_COMMENT": "Valdâl taam funktio...",
+	"PROCEDURES_DEFRETURN_RETURN": "maaccât",
+	"PROCEDURES_MUTATORCONTAINER_TITLE": "fáluseh",
+	"PROCEDURES_MUTATORARG_TITLE": "fáálus nommâ:",
+	"PROCEDURES_CREATE_DO": "Räähti '%1'",
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Eeđâ maidnii...",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Jooskâ"
+}
diff --git a/msg/json/sq.json b/msg/json/sq.json
index bdd03349683..25a918147b3 100644
--- a/msg/json/sq.json
+++ b/msg/json/sq.json
@@ -2,15 +2,18 @@
 	"@metadata": {
 		"authors": [
 			"Arianit",
+			"Eraldkerciku",
 			"Liridon",
 			"아라"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "send",
+	"UNNAMED_KEY": "pa emër",
 	"TODAY": "Sot",
 	"DUPLICATE_BLOCK": "Kopjo",
 	"ADD_COMMENT": "Vendos nje Koment",
 	"REMOVE_COMMENT": "Fshij komentin",
+	"DUPLICATE_COMMENT": "Koment Dublikatë",
 	"EXTERNAL_INPUTS": "Hyrjet e jashtme",
 	"INLINE_INPUTS": "Hyrjet e brendshme",
 	"DELETE_BLOCK": "Fshij bllokun",
@@ -40,23 +43,21 @@
 	"DELETE_VARIABLE_CONFIRMATION": "Fshi përdorimin %1 të variablës '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Nuk mund të fshihet variabla '%1' sepse është pjesë e definicionit të funksionit '%2'",
 	"DELETE_VARIABLE": "Fshi variablën '%1'",
-	"COLOUR_PICKER_HELPURL": "http://en.wikipedia.org/wiki/Color",
+	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "Zgjidh nje ngjyre nga nje game ngjyrash.",
 	"COLOUR_RANDOM_TITLE": "ngjyre e rastesishme",
 	"COLOUR_RANDOM_TOOLTIP": "Zgjidhni një ngjyrë në mënyrë të rastësishme.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "ngjyre me",
 	"COLOUR_RGB_RED": "e kuqe",
 	"COLOUR_RGB_GREEN": "jeshile",
 	"COLOUR_RGB_BLUE": "blu",
 	"COLOUR_RGB_TOOLTIP": "Krijo një ngjyrë me shumën e specifikuar te te kuqes, te gjelbëres, dhe bluse. Te gjitha vlerat duhet te jene mes 0 dhe 100.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "Përzierje",
 	"COLOUR_BLEND_COLOUR1": "Ngjyra 1",
 	"COLOUR_BLEND_COLOUR2": "Ngjyra 2",
 	"COLOUR_BLEND_RATIO": "Perpjesetim",
 	"COLOUR_BLEND_TOOLTIP": "Perzien dy ngjyra së bashku me një raport të dhënë (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "http://en.wikipedia.org/wiki/For_loop",
+	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "përsërit %1 herë",
 	"CONTROLS_REPEAT_INPUT_DO": "ekzekuto",
 	"CONTROLS_REPEAT_TOOLTIP": "Ekzekuto disa fjali disa herë.",
@@ -83,20 +84,7 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Shto, fshij, ose rirregullo sektoret për ta rikonfiguruar këte bllok nëse.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "\"Vendos\" \"kushtein\"tek \"pjesa\" \"if\"",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Shto një përfundues, që i mbërrin të gjitha kushtet në bllokun nëse.",
-	"IOS_OK": "Në rregull",
-	"IOS_CANCEL": "Anulo",
-	"IOS_ERROR": "Gabim",
-	"IOS_PROCEDURES_INPUTS": "INPUTET",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Shto Inputet",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Lejo deklaratat",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Ky funksion ka inpute të dyfishta.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Shto Variabël",
-	"IOS_VARIABLES_ADD_BUTTON": "Shto",
-	"IOS_VARIABLES_RENAME_BUTTON": "Riemro",
-	"IOS_VARIABLES_DELETE_BUTTON": "Grise",
-	"IOS_VARIABLES_VARIABLE_NAME": "Emri i variablës",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Nuk mund të përdorni variabël pa emër.",
-	"LOGIC_COMPARE_HELPURL": "http://en.wikipedia.org/wiki/Inequality_(mathematics)",
+	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Ktheje të saktë nëse të dy hyrjet janë të barabarta me njëra-tjetrën.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Ktheje të saktë nëse të dy hyrjet nuk janë të barabarta me njëra-tjetrën.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Ktheje të saktë nëse hyrja e parë është më e vogël se hyrja e dytë.",
@@ -112,34 +100,30 @@
 	"LOGIC_BOOLEAN_TRUE": "e saktë",
 	"LOGIC_BOOLEAN_FALSE": "e pasaktë",
 	"LOGIC_BOOLEAN_TOOLTIP": "Kthehet ose të saktë ose të pasaktë.",
-	"LOGIC_NULL_HELPURL": "http://en.wikipedia.org/wiki/Nullable_type",
+	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "pavlerë",
 	"LOGIC_NULL_TOOLTIP": "Kthehet e pavlerë.",
-	"LOGIC_TERNARY_HELPURL": "http://en.wikipedia.org/wiki/%3F:",
+	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "test",
 	"LOGIC_TERNARY_IF_TRUE": "nëse e saktë",
 	"LOGIC_TERNARY_IF_FALSE": "nëse e pasaktë",
 	"LOGIC_TERNARY_TOOLTIP": "Kontrollo kushtin në 'test'. Nëse kushti është i saktë, kthen vlerën 'nëse e saktë'; përndryshe kthen vlerën 'nëse e pasaktë'.",
-	"MATH_NUMBER_HELPURL": "http://en.wikipedia.org/wiki/Number",
+	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "Një numër.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
 	"MATH_MULTIPLICATION_SYMBOL": "x",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tan",
 	"MATH_TRIG_ASIN": "asinus",
 	"MATH_TRIG_ACOS": "acosinus",
 	"MATH_TRIG_ATAN": "atangjentë",
-	"MATH_ARITHMETIC_HELPURL": "http://sq.wikipedia.org/wiki/Aritmetika",
+	"MATH_ARITHMETIC_HELPURL": "https://sq.wikipedia.org/wiki/Aritmetika",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Kthen shumën e dy numrave.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Kthen ndryshimin e dy numrave.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Kthen produktin e dy numrave.",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "Kthen herësin e dy numrave.",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "Kthen numrin e parë të ngritur në fuqinë e numrit të dytë.",
-	"MATH_SINGLE_HELPURL": "http://en.wikipedia.org/wiki/Square_root",
+	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "rrënja katrore",
 	"MATH_SINGLE_TOOLTIP_ROOT": "Kthen rrënjën katrore të një numri.",
 	"MATH_SINGLE_OP_ABSOLUTE": "absolut",
@@ -149,14 +133,14 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Kthen 10 logaritmet bazë të një numri.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Kthen e në fuqinë e një numri.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Kthen 10 në fuqinë e një numri.",
-	"MATH_TRIG_HELPURL": "http://en.wikipedia.org/wiki/Trigonometric_functions",
+	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "Kthe kosinusin e nje kendi (jo ne radiant).",
 	"MATH_TRIG_TOOLTIP_COS": "Kthe kosinusin e nje grade (jo ne radiant).",
 	"MATH_TRIG_TOOLTIP_TAN": "Kthe tangentin e nje kendi (jo radiant).",
 	"MATH_TRIG_TOOLTIP_ASIN": "Rikthe sin-1 e nje numeri.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Rikthe cos-1 e nje numeri.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Kthe tg-1 e nje numeri.",
-	"MATH_CONSTANT_HELPURL": "http://en.wikipedia.org/wiki/Mathematical_constant",
+	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Kthen një nga konstantet e përbashkëta: : π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (infiniti).",
 	"MATH_IS_EVEN": "është çift",
 	"MATH_IS_ODD": "është tek",
@@ -166,10 +150,10 @@
 	"MATH_IS_NEGATIVE": "është negativ",
 	"MATH_IS_DIVISIBLE_BY": "është i pjestueshme me",
 	"MATH_IS_TOOLTIP": "Kontrollo nëse një numër është çift, tek, prim, i plotë, pozitiv, negativ, ose nëse është i pjestueshëm me një numër të caktuar. Kthehet e saktë ose e pasaktë.",
-	"MATH_CHANGE_HELPURL": "http://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
+	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "ndrysho %1 nga %2",
 	"MATH_CHANGE_TOOLTIP": "Shto një numër në ndryshoren '%1'.",
-	"MATH_ROUND_HELPURL": "http://en.wikipedia.org/wiki/Rounding",
+	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Rrumbullakësimi i numrit të lartë ose të ulët.",
 	"MATH_ROUND_OPERATOR_ROUND": "rrumbullakësimi",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "rrumbullakësimi i lartë",
@@ -190,18 +174,20 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Kthe devijimin standard të listës.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "send i rastësishëm i listës",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Kthe një element të rastësishëm nga lista.",
-	"MATH_MODULO_HELPURL": "http://en.wikipedia.org/wiki/Modulo_operation",
+	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "mbetësi i %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Kthen mbetësin nga pjestimi i dy numrave.",
 	"MATH_CONSTRAIN_TITLE": "detyro %1 e ulët %2 e lartë %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Vëni një numër që të jetë në mes të kufive të specifikuara(përfshirëse).",
-	"MATH_RANDOM_INT_HELPURL": "http://en.wikipedia.org/wiki/Random_number_generation",
+	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "numër i plotë i rastësishëm nga %1 deri në %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Kthe një numër të plotë të rastësishëm të dy kufijve të specifikuar, të përfshirë.",
-	"MATH_RANDOM_FLOAT_HELPURL": "http://en.wikipedia.org/wiki/Random_number_generation",
+	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "fraksioni i rastësishëm",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Kthe fraksionin e rastësishëm në mes të 0.0 (përfshirëse) dhe 1.0 (jopërfshirëse).",
-	"TEXT_TEXT_HELPURL": "http://en.wikipedia.org/wiki/String_(computer_science)",
+	"MATH_ATAN2_TITLE": "atan2 of X:%1 Y:%2",
+	"MATH_ATAN2_TOOLTIP": "Ktheni arkangjentin e pikës (X, Y) në gradë nga -180 në 180.",
+	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Nje shkronje, fjale, ose rresht teksti.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "krijo tekst me",
 	"TEXT_JOIN_TOOLTIP": "Krijo nje pjese te tekstit duke bashkuar se bashku disa sende",
@@ -248,13 +234,11 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Kerkoji perdoruesit nje numer.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Kerkoji perdoruesit ca tekst.",
 	"TEXT_COUNT_MESSAGE0": "numro %1 në %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Numrin sa herë paraqitet një tekst brenda një teksti tjetër.",
 	"TEXT_REPLACE_MESSAGE0": "zëvendëso %1 me %2 në %3",
 	"TEXT_REPLACE_TOOLTIP": "Zëvendëso të gjitha paraqitjet e një teksti brenda një teksti tjetër.",
 	"TEXT_REVERSE_MESSAGE0": "kthe %1",
 	"TEXT_REVERSE_TOOLTIP": "Kthen renditjen e karaktereve në tekst.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "krijo një listë të zbrazët",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Kthen një listë, te gjatësisë 0, duke mos përmbajtur asnjë regjistrim të të dhënave",
 	"LISTS_CREATE_WITH_TOOLTIP": "Krijo një listë me ndonjë numbër të sendeve.",
@@ -312,7 +296,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "tek # nga fundi",
 	"LISTS_GET_SUBLIST_END_LAST": "tek i fundit",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Krijon në kopje të pjesës së specifikuar të listës.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "rendit %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Rendit një kopje të listës.",
 	"LISTS_SORT_ORDER_ASCENDING": "ngjitje",
@@ -332,21 +315,17 @@
 	"VARIABLES_SET": "vendos %1 ne %2",
 	"VARIABLES_SET_TOOLTIP": "Vendos kete variable te jete e barabarte me te dhenat ne hyrje.",
 	"VARIABLES_SET_CREATE_GET": "Krijo 'merr %1",
-	"PROCEDURES_DEFNORETURN_HELPURL": "http://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFNORETURN_TITLE": "te",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "bëj diqka",
 	"PROCEDURES_BEFORE_PARAMS": "me:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "me:",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Krijon një funksion pa dalje.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Përshkruaj këtë funksion...",
-	"PROCEDURES_DEFRETURN_HELPURL": "http://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFRETURN_RETURN": "rikthe",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Krijon një funksion me një dalje.",
 	"PROCEDURES_ALLOW_STATEMENTS": "lejo deklaratat",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Paralajmërim: Ky funksion ka parametra të dyfishuar.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Lësho funksionin e definuar nga përdoruesi '%1'.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Lëho funksionin e definuar nga përdoruesi '%1' dhe përdor daljen e tij.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "Informacioni i futur",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Shto, hiq, ose rirendit inputet e këtij funksioni.",
@@ -355,5 +334,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Thekso definicionin e funksionit",
 	"PROCEDURES_CREATE_DO": "Krijo '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Nëse një vlerë është e saktë, atëherë kthe një vlerë të dytë.",
-	"PROCEDURES_IFRETURN_WARNING": "Paralajmërim: Ky bllok mund të përdoret vetëm brenda definicionit të funksionit."
+	"PROCEDURES_IFRETURN_WARNING": "Paralajmërim: Ky bllok mund të përdoret vetëm brenda definicionit të funksionit.",
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Thuaj dicka...",
+	"WORKSPACE_ARIA_LABEL": "Hapësira e punës e Blockly",
+	"COLLAPSED_WARNINGS_WARNING": "Blloqet e shembura përmbajnë paralajmërime.",
+	"DIALOG_OK": "Në rregull",
+	"DIALOG_CANCEL": "Anulo"
 }
diff --git a/msg/json/sr-latn.json b/msg/json/sr-latn.json
index e06a531c654..3d5b52119c5 100644
--- a/msg/json/sr-latn.json
+++ b/msg/json/sr-latn.json
@@ -39,13 +39,11 @@
 	"COLOUR_PICKER_TOOLTIP": "Izaberite boju sa palete.",
 	"COLOUR_RANDOM_TITLE": "slučajna boja",
 	"COLOUR_RANDOM_TOOLTIP": "Izaberite boju nasumice.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "boja sa",
 	"COLOUR_RGB_RED": "crvena",
 	"COLOUR_RGB_GREEN": "zelena",
 	"COLOUR_RGB_BLUE": "plava",
 	"COLOUR_RGB_TOOLTIP": "Kreiraj boju sa određenom količinom crvene,zelene, i plave. Sve vrednosti moraju biti između 0 i 100.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "pomešaj",
 	"COLOUR_BLEND_COLOUR1": "boja 1",
 	"COLOUR_BLEND_COLOUR2": "boja 2",
@@ -77,20 +75,7 @@
 	"CONTROLS_IF_MSG_ELSE": "inače",
 	"CONTROLS_IF_IF_TOOLTIP": "Dodaj, ukloni, ili preuredi delove kako bih rekonfigurisali ovaj if blok.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Dodajte uslov bloku „ako“.",
-	"CONTROLS_IF_ELSE_TOOLTIP": "Dodaj konačni, catch-all  (uhvati sve) uslove if bloka.",
-	"IOS_OK": "U redu",
-	"IOS_CANCEL": "Otkaži",
-	"IOS_ERROR": "Greška",
-	"IOS_PROCEDURES_INPUTS": "UNOSI",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Dodaj unos",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Dozvoli izjave",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Ova funkcija ima duplicirane unose.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Dodaj varijablu",
-	"IOS_VARIABLES_ADD_BUTTON": "Dodaj",
-	"IOS_VARIABLES_RENAME_BUTTON": "Preimenuj",
-	"IOS_VARIABLES_DELETE_BUTTON": "Obriši",
-	"IOS_VARIABLES_VARIABLE_NAME": "Ime varijable",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Ne možete da koristite prazno ime varijable.",
+	"CONTROLS_IF_ELSE_TOOLTIP": "Dodaj konačni, catch-all (uhvati sve) uslove if bloka.",
 	"LOGIC_COMPARE_HELPURL": "https://sr.wikipedia.org/wiki/Nejednakost",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Vraća vrednost „tačno“ ako su oba ulaza jednaka.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Vraća vrednost „tačno“ ako su oba ulaza nejednaka.",
@@ -107,28 +92,19 @@
 	"LOGIC_BOOLEAN_TRUE": "tačno",
 	"LOGIC_BOOLEAN_FALSE": "netačno",
 	"LOGIC_BOOLEAN_TOOLTIP": "Vraća ili tačno ili netačno.",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "bez vrednosti",
 	"LOGIC_NULL_TOOLTIP": "Vraća „bez vrednosti“.",
-	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "proba",
 	"LOGIC_TERNARY_IF_TRUE": "ako je tačno",
 	"LOGIC_TERNARY_IF_FALSE": "ako je netačno",
 	"LOGIC_TERNARY_TOOLTIP": "Proveri uslov u 'test'. Ako je uslov tačan, tada vraća 'if true' vrednost; u drugom slučaju vraća 'if false' vrednost.",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "Neki broj.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tan",
 	"MATH_TRIG_ASIN": "arc sin",
 	"MATH_TRIG_ACOS": "arc cos",
 	"MATH_TRIG_ATAN": "arc tan",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Vratite zbir dva broja.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Vraća razliku dva broja.",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "Vraća proizvod dva broja.",
@@ -161,7 +137,6 @@
 	"MATH_IS_NEGATIVE": "je negativan",
 	"MATH_IS_DIVISIBLE_BY": "je deljiv sa",
 	"MATH_IS_TOOLTIP": "Provjerava da li je broj paran, neparan, prost, cio, pozitivan, negativan, ili da li je deljiv sa određenim brojem. Vraća tačno ili netačno.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "promeni %1 za %2",
 	"MATH_CHANGE_TOOLTIP": "Dodajte broj promenljivoj „%1“.",
 	"MATH_ROUND_HELPURL": "https://sr.wikipedia.org/wiki/Zaokruživanje",
@@ -243,17 +218,13 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Pitajte korisnika za broj.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Pitajte korisnika za unos teksta.",
 	"TEXT_COUNT_MESSAGE0": "broj %1 u %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Broji koliko puta se neki tekst pojavljuje unutar nekog drugog teksta.",
 	"TEXT_REPLACE_MESSAGE0": "zamena %1 sa %2 u %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "Zamena svih pojava nekog teksta unutar nekog drugog teksta.",
 	"TEXT_REVERSE_MESSAGE0": "obrnuto %1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "Obrće redosled karaktera u tekstu.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "napravi prazan spisak",
-	"LISTS_CREATE_EMPTY_TOOLTIP": "vraća listu, dužine 0, ne sadržavajući  evidenciju podataka",
+	"LISTS_CREATE_EMPTY_TOOLTIP": "vraća listu, dužine 0, ne sadržavajući evidenciju podataka",
 	"LISTS_CREATE_WITH_TOOLTIP": "Kreiraj listu sa bilo kojim brojem stavki.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "napravi spisak sa",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "spisak",
@@ -309,7 +280,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "do # od kraja",
 	"LISTS_GET_SUBLIST_END_LAST": "do poslednje",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Pravi kopiju određenog dela liste.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "sortiraj %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Sortirajte kopiju spiska.",
 	"LISTS_SORT_ORDER_ASCENDING": "rastuće",
@@ -322,7 +292,6 @@
 	"LISTS_SPLIT_WITH_DELIMITER": "sa razdvajanje",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Podeliti tekst u listu tekstova, razbijanje na svakom graničnik.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Da se pridruži listu tekstova u jedan tekst, podeljenih za razdvajanje.",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "obrnuto %1",
 	"LISTS_REVERSE_TOOLTIP": "Obrni kopiju spiska.",
 	"VARIABLES_GET_TOOLTIP": "Vraća vrednost ove promenljive.",
@@ -330,21 +299,17 @@
 	"VARIABLES_SET": "postavi %1 u %2",
 	"VARIABLES_SET_TOOLTIP": "Postavlja promenljivu tako da bude jednaka ulazu.",
 	"VARIABLES_SET_CREATE_GET": "Napravi „preuzmi %1“",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFNORETURN_TITLE": "da",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "uradite nešto",
 	"PROCEDURES_BEFORE_PARAMS": "sa:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "sa:",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Pravi funkciju bez izlaza.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Opisati ovu funkciju...",
-	"PROCEDURES_DEFRETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFRETURN_RETURN": "vrati",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Pravi funkciju sa izlazom.",
 	"PROCEDURES_ALLOW_STATEMENTS": "dozvoliti izreke",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Upozorenje: Ova funkcija ima duplikate parametara.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Pokrenite prilagođenu funkciju „%1“.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Pokrenite prilagođenu funkciju „%1“ i koristi njen izlaz.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "ulazi",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Da dodate, uklonite ili pereuporяdočitь ulaza za ovu funkciju.",
@@ -353,5 +318,7 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Istakni definiciju funkcije",
 	"PROCEDURES_CREATE_DO": "Napravi „%1“",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Ukoliko je vrednost tačna, vrati drugu vrednost.",
-	"PROCEDURES_IFRETURN_WARNING": "Upozorenje: Ovaj blok se može koristiti jedino u definiciji funkcije."
+	"PROCEDURES_IFRETURN_WARNING": "Upozorenje: Ovaj blok se može koristiti jedino u definiciji funkcije.",
+	"DIALOG_OK": "U redu",
+	"DIALOG_CANCEL": "Otkaži"
 }
diff --git a/msg/json/sr.json b/msg/json/sr.json
index 437ec93f237..4741be7485a 100644
--- a/msg/json/sr.json
+++ b/msg/json/sr.json
@@ -8,6 +8,7 @@
 			"Obsuser",
 			"Perevod16",
 			"Rancher",
+			"Zenfiric",
 			"Zoranzoki21",
 			"Милан Јелисавчић",
 			"아라"
@@ -53,13 +54,11 @@
 	"COLOUR_PICKER_TOOLTIP": "Одаберите боју са палете.",
 	"COLOUR_RANDOM_TITLE": "случајна боја",
 	"COLOUR_RANDOM_TOOLTIP": "Одаберите боју насумично.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "боја са",
 	"COLOUR_RGB_RED": "црвена",
 	"COLOUR_RGB_GREEN": "зелена",
 	"COLOUR_RGB_BLUE": "плава",
 	"COLOUR_RGB_TOOLTIP": "Направите боју са одређеном количином црвене, зелене и плаве. Све вредности морају бити између 0 и 100.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "помешај",
 	"COLOUR_BLEND_COLOUR1": "боја 1",
 	"COLOUR_BLEND_COLOUR2": "боја 2",
@@ -91,20 +90,7 @@
 	"CONTROLS_IF_MSG_ELSE": "иначе",
 	"CONTROLS_IF_IF_TOOLTIP": "Додај, уклони, или преуреди делове како бих реконфигурисали овај иф блок.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Додајте услов блоку „ако“.",
-	"CONTROLS_IF_ELSE_TOOLTIP": "Додај коначни, catch-all  (ухвати све) услове иф блока.",
-	"IOS_OK": "У реду",
-	"IOS_CANCEL": "Откажи",
-	"IOS_ERROR": "Грешка",
-	"IOS_PROCEDURES_INPUTS": "УНОСИ",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Додај унос",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Дозволи изјаве",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Ова функција има дуплиране уносе.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Додај променљиву",
-	"IOS_VARIABLES_ADD_BUTTON": "Додај",
-	"IOS_VARIABLES_RENAME_BUTTON": "Преименуј",
-	"IOS_VARIABLES_DELETE_BUTTON": "Избриши",
-	"IOS_VARIABLES_VARIABLE_NAME": "Име променљиве",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Не можете да користите празно име променљиве.",
+	"CONTROLS_IF_ELSE_TOOLTIP": "Додај коначни, catch-all (ухвати све) услове иф блока.",
 	"LOGIC_COMPARE_HELPURL": "https://sr.wikipedia.org/wiki/Неједнакост",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Враћа вредност „тачно“ ако су оба улаза једнака.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Враћа вредност „тачно“ ако су оба уноса неједнака.",
@@ -121,21 +107,14 @@
 	"LOGIC_BOOLEAN_TRUE": "тачно",
 	"LOGIC_BOOLEAN_FALSE": "нетачно",
 	"LOGIC_BOOLEAN_TOOLTIP": "Враћа или „тачно“ или „нетачно“.",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "без вредности",
 	"LOGIC_NULL_TOOLTIP": "Враћа „без вредности“.",
-	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "проба",
 	"LOGIC_TERNARY_IF_TRUE": "ако је тачно",
 	"LOGIC_TERNARY_IF_FALSE": "ако је нетачно",
 	"LOGIC_TERNARY_TOOLTIP": "Проверите услов у „проба”. Ако је услов тачан, тада враћа „ако је тачно” вредност; у другом случају враћа „ако је нетачно” вредност.",
 	"MATH_NUMBER_HELPURL": "https://sr.wikipedia.org/wiki/Број",
 	"MATH_NUMBER_TOOLTIP": "Број.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "син",
 	"MATH_TRIG_COS": "цос",
 	"MATH_TRIG_TAN": "тан",
@@ -175,7 +154,6 @@
 	"MATH_IS_NEGATIVE": "је негативан",
 	"MATH_IS_DIVISIBLE_BY": "је дељив са",
 	"MATH_IS_TOOLTIP": "Проверава да ли је број паран, непаран, прост, цео, позитиван, негативан, или дељив са одређеним бројем. Враћа „тачно” или „нетачно”.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "промени %1 за %2",
 	"MATH_CHANGE_TOOLTIP": "Додаје број променљивој „%1”.",
 	"MATH_ROUND_HELPURL": "https://sr.wikipedia.org/wiki/Заокруживање",
@@ -183,7 +161,6 @@
 	"MATH_ROUND_OPERATOR_ROUND": "заокружи",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "заокружи навише",
 	"MATH_ROUND_OPERATOR_ROUNDDOWN": "заокружи наниже",
-	"MATH_ONLIST_HELPURL": "",
 	"MATH_ONLIST_OPERATOR_SUM": "збир списка",
 	"MATH_ONLIST_TOOLTIP_SUM": "Враћа збир свих бројева са списка.",
 	"MATH_ONLIST_OPERATOR_MIN": "мин. списка",
@@ -211,7 +188,6 @@
 	"MATH_RANDOM_FLOAT_HELPURL": "https://sr.wikipedia.org/wiki/Генератор_случајних_бројева",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "случајни разломак",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Враћа случајни разломак између 0.0 (укључиво) и 1.0 (искључиво).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "атан2 од X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Врати арктангенту тачке (X, Y) у степенима од -180 до 180.",
 	"TEXT_TEXT_HELPURL": "https://sr.wikipedia.org/wiki/Ниска",
@@ -237,7 +213,6 @@
 	"TEXT_CHARAT_FIRST": "преузми прво слово",
 	"TEXT_CHARAT_LAST": "преузми последње слово",
 	"TEXT_CHARAT_RANDOM": "преузми случајно слово",
-	"TEXT_CHARAT_TAIL": "",
 	"TEXT_CHARAT_TOOLTIP": "Враћа слово на одређени положај.",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "Враћа одређени део текста.",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "у тексту",
@@ -247,7 +222,6 @@
 	"TEXT_GET_SUBSTRING_END_FROM_START": "слову #",
 	"TEXT_GET_SUBSTRING_END_FROM_END": "слову # са краја",
 	"TEXT_GET_SUBSTRING_END_LAST": "последњем слову",
-	"TEXT_GET_SUBSTRING_TAIL": "",
 	"TEXT_CHANGECASE_TOOLTIP": "Враћа примерак текста са другачијом величином слова.",
 	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "великим словима",
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "малим словима",
@@ -263,15 +237,11 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Питајте корисника за број.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Питајте корисника за унос текста.",
 	"TEXT_COUNT_MESSAGE0": "број %1 у %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Броји колико пута се неки текст појављује унутар неког другог текста.",
 	"TEXT_REPLACE_MESSAGE0": "замена %1 са %2 у %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "Замена свих појава неког текста унутар неког другог текста.",
 	"TEXT_REVERSE_MESSAGE0": "обрнуто %1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "Обрће редослед карактера у тексту.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "направи празан списак",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Враћа списак, дужине 0, без података",
 	"LISTS_CREATE_WITH_TOOLTIP": "Направите списак са било којим бројем ставки.",
@@ -297,7 +267,6 @@
 	"LISTS_GET_INDEX_FIRST": "прва",
 	"LISTS_GET_INDEX_LAST": "последња",
 	"LISTS_GET_INDEX_RANDOM": "случајна",
-	"LISTS_GET_INDEX_TAIL": "",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 је прва ставка.",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 је последња ставка.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "Враћа ставку на одређену позицију на списку.",
@@ -329,9 +298,7 @@
 	"LISTS_GET_SUBLIST_END_FROM_START": "до #",
 	"LISTS_GET_SUBLIST_END_FROM_END": "до # од краја",
 	"LISTS_GET_SUBLIST_END_LAST": "до последње",
-	"LISTS_GET_SUBLIST_TAIL": "",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Прави копију одређеног дела списка.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "сортирај %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Сортирајте копију списка.",
 	"LISTS_SORT_ORDER_ASCENDING": "растуће",
@@ -344,24 +311,19 @@
 	"LISTS_SPLIT_WITH_DELIMITER": "са граничником",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Раздваја текст у списак текстова, преламањем на сваком граничнику.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Спаја списак текстова у један текст, раздвојених граничником.",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "обрнуто %1",
 	"LISTS_REVERSE_TOOLTIP": "Обрни копију списка.",
-	"ORDINAL_NUMBER_SUFFIX": "",
 	"VARIABLES_GET_TOOLTIP": "Враћа вредност ове променљиве.",
 	"VARIABLES_GET_CREATE_SET": "Направи блок за доделу вредности %1",
 	"VARIABLES_SET": "постави %1 у %2",
 	"VARIABLES_SET_TOOLTIP": "Поставља променљиву тако да буде једнака улазу.",
 	"VARIABLES_SET_CREATE_GET": "Направи блок за преузимање вредности из „%1”",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFNORETURN_TITLE": "до",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "урадите нешто",
 	"PROCEDURES_BEFORE_PARAMS": "са:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "са:",
-	"PROCEDURES_DEFNORETURN_DO": "",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Прави функцију без излаза.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Опишите ову функцију…",
-	"PROCEDURES_DEFRETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
 	"PROCEDURES_DEFRETURN_RETURN": "врати",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Прави функцију са излазом.",
 	"PROCEDURES_ALLOW_STATEMENTS": "дозволи изјаве",
@@ -380,5 +342,7 @@
 	"PROCEDURES_IFRETURN_WARNING": "Упозорење: Овај блок се може користити једино унутар дефиниције функције.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Кажите нешто…",
 	"WORKSPACE_ARIA_LABEL": "Блоклијев радни простор",
-	"COLLAPSED_WARNINGS_WARNING": "Срушени блокови садрже упозорења."
+	"COLLAPSED_WARNINGS_WARNING": "Срушени блокови садрже упозорења.",
+	"DIALOG_OK": "У реду",
+	"DIALOG_CANCEL": "Откажи"
 }
diff --git a/msg/json/sv.json b/msg/json/sv.json
index 6b87be59a75..45c3864d6a8 100644
--- a/msg/json/sv.json
+++ b/msg/json/sv.json
@@ -7,6 +7,7 @@
 			"Jopparn",
 			"Sabelöga",
 			"Smuda",
+			"Technic2",
 			"WikiPhoenix",
 			"아라"
 		]
@@ -44,6 +45,7 @@
 	"NEW_VARIABLE_TITLE": "Nytt variabelnamn:",
 	"VARIABLE_ALREADY_EXISTS": "En variabel med namnet \"%1\" finns redan.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "En variabel med namnet \"%1\" finns redan för en annan typ: \"%2\".",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "En variabel med namnet \"%1\" finns redan som en parameter i proceduren \"%2\".",
 	"DELETE_VARIABLE_CONFIRMATION": "Radera %1 användningar av variabeln \"%2\"?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Kan inte radera variabeln '%1' eftersom den är en del av definition för funktionen '%2'",
 	"DELETE_VARIABLE": "Radera variabeln \"%1\"",
@@ -51,19 +53,16 @@
 	"COLOUR_PICKER_TOOLTIP": "Välj en färg från paletten.",
 	"COLOUR_RANDOM_TITLE": "slumpfärg",
 	"COLOUR_RANDOM_TOOLTIP": "Slumpa fram en färg.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "färg med",
 	"COLOUR_RGB_RED": "röd",
 	"COLOUR_RGB_GREEN": "grön",
 	"COLOUR_RGB_BLUE": "blå",
 	"COLOUR_RGB_TOOLTIP": "Skapa en färg med det angivna mängden röd, grön och blå. Alla värden måste vara mellan 0 och 100.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "blanda",
 	"COLOUR_BLEND_COLOUR1": "färg 1",
 	"COLOUR_BLEND_COLOUR2": "färg 2",
 	"COLOUR_BLEND_RATIO": "förhållande",
 	"COLOUR_BLEND_TOOLTIP": "Blandar ihop två färger med ett bestämt förhållande (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "upprepa %1 gånger",
 	"CONTROLS_REPEAT_INPUT_DO": "utför",
 	"CONTROLS_REPEAT_TOOLTIP": "Utför några kommandon flera gånger.",
@@ -90,19 +89,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Lägg till, ta bort eller ändra ordningen för sektioner för att omkonfigurera blocket \"om\".",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Lägg till ett villkor blocket \"om\".",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Lägg till ett sista villkor som täcker alla alternativ som är kvar för \"if\"-blocket.",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "Avbryt",
-	"IOS_ERROR": "Fel",
-	"IOS_PROCEDURES_INPUTS": "INMATNINGAR",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Lägg till inmatning",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Tillåt kommandon",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Denna funktion har dubblettinmatningar.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Lägg till variabel",
-	"IOS_VARIABLES_ADD_BUTTON": "Lägg till",
-	"IOS_VARIABLES_RENAME_BUTTON": "Döp om",
-	"IOS_VARIABLES_DELETE_BUTTON": "Radera",
-	"IOS_VARIABLES_VARIABLE_NAME": "Variabelnamn",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Du kan inte använda ett tomt variabelnamn.",
 	"LOGIC_COMPARE_HELPURL": "https://sv.wikipedia.org/wiki/Olikhet",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Ger tillbaka sant om båda värdena är lika med varandra.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Ger tillbaka sant om båda värdena inte är lika med varandra.",
@@ -122,18 +108,12 @@
 	"LOGIC_NULL_HELPURL": "https://sv.wikipedia.org/wiki/Null",
 	"LOGIC_NULL": "null",
 	"LOGIC_NULL_TOOLTIP": "Returnerar null.",
-	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "test",
 	"LOGIC_TERNARY_IF_TRUE": "om sant",
 	"LOGIC_TERNARY_IF_FALSE": "om falskt",
 	"LOGIC_TERNARY_TOOLTIP": "Kontrollera villkoret i \"test\". Om villkoret är sant, ge tillbaka \"om sant\"-värdet; annars ge tillbaka \"om falskt\"-värdet.",
 	"MATH_NUMBER_HELPURL": "https://sv.wikipedia.org/wiki/Tal",
 	"MATH_NUMBER_TOOLTIP": "Ett tal.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "-",
-	"MATH_DIVISION_SYMBOL": "÷",
-	"MATH_MULTIPLICATION_SYMBOL": "×",
-	"MATH_POWER_SYMBOL": "^",
 	"MATH_TRIG_SIN": "sin",
 	"MATH_TRIG_COS": "cos",
 	"MATH_TRIG_TAN": "tan",
@@ -173,7 +153,6 @@
 	"MATH_IS_NEGATIVE": "är negativt",
 	"MATH_IS_DIVISIBLE_BY": "är delbart med",
 	"MATH_IS_TOOLTIP": "Kontrollera om ett tal är jämnt, ojämnt, helt, positivt, negativt eller det är delbart med ett bestämt tal. Returnerar med sant eller falskt.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "ändra %1 med %2",
 	"MATH_CHANGE_TOOLTIP": "Lägg till ett tal till variabeln '%1'.",
 	"MATH_ROUND_HELPURL": "https://sv.wikipedia.org/wiki/Avrundning",
@@ -208,7 +187,6 @@
 	"MATH_RANDOM_FLOAT_HELPURL": "https://sv.wikipedia.org/wiki/Slumptalsgenerator",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "slumpat decimaltal",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Ger tillbaka ett slumpat decimaltal mellan 0.0 (inkluderat) och 1.0 (exkluderat).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 av X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Returnerar arcustangens av punkt (X, Y) i grader från -180 till 180.",
 	"TEXT_TEXT_HELPURL": "https://sv.wikipedia.org/wiki/Str%C3%A4ng_%28data%29",
@@ -258,18 +236,13 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Fråga användaren efter ett tal.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Fråga användaren efter lite text.",
 	"TEXT_COUNT_MESSAGE0": "räkna %1 i %2",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Räkna hur många gånger en text förekommer inom en annan text.",
 	"TEXT_REPLACE_MESSAGE0": "ersätt %1 med %2 i %3",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "Ersätt alla förekomster av en text inom en annan text.",
 	"TEXT_REVERSE_MESSAGE0": "vänd på %1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "Vänder på teckenordningen i texten.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "skapa tom lista",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Ger tillbaka en lista utan någon data, alltså med längden 0",
-	"LISTS_CREATE_WITH_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_CREATE_WITH_TOOLTIP": "Skapa en lista med valfritt antal föremål.",
 	"LISTS_CREATE_WITH_INPUT_WITH": "skapa lista med",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "lista",
@@ -325,7 +298,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "till # från slutet",
 	"LISTS_GET_SUBLIST_END_LAST": "till sista",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Skapar en kopia av den specificerade delen av en lista.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "sortera %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Sortera en kopia av en lista.",
 	"LISTS_SORT_ORDER_ASCENDING": "stigande",
@@ -333,13 +305,11 @@
 	"LISTS_SORT_TYPE_NUMERIC": "numeriskt",
 	"LISTS_SORT_TYPE_TEXT": "alfabetiskt",
 	"LISTS_SORT_TYPE_IGNORECASE": "alfabetiskt, ignorera skiftläge",
-	"LISTS_SPLIT_HELPURL": "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "skapa lista från text",
 	"LISTS_SPLIT_TEXT_FROM_LIST": "skapa text från lista",
 	"LISTS_SPLIT_WITH_DELIMITER": "med avgränsare",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "Dela upp text till en textlista och bryt vid varje avgränsare.",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Sammanfoga en textlista till en text, som separeras av en avgränsare.",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "vänd på %1",
 	"LISTS_REVERSE_TOOLTIP": "Vänd på en kopia av en lista.",
 	"VARIABLES_GET_TOOLTIP": "Returnerar värdet av denna variabel.",
@@ -347,21 +317,19 @@
 	"VARIABLES_SET": "ange %1 till %2",
 	"VARIABLES_SET_TOOLTIP": "Gör så att den här variabeln blir lika med inputen.",
 	"VARIABLES_SET_CREATE_GET": "Skapa 'hämta %1'",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://sv.wikipedia.org/wiki/Funktion_%28programmering%29",
+	"PROCEDURES_DEFNORETURN_HELPURL": "https://sv.wikipedia.org/wiki/Funktion_(programmering)",
 	"PROCEDURES_DEFNORETURN_TITLE": "för att",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "göra något",
 	"PROCEDURES_BEFORE_PARAMS": "med:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "med:",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Skapar en funktion utan output.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Beskriv denna funktion...",
-	"PROCEDURES_DEFRETURN_HELPURL": "https://sv.wikipedia.org/wiki/Funktion_%28programmering%29",
+	"PROCEDURES_DEFRETURN_HELPURL": "https://sv.wikipedia.org/wiki/Funktion_(programmering)",
 	"PROCEDURES_DEFRETURN_RETURN": "returnera",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Skapar en funktion med output.",
 	"PROCEDURES_ALLOW_STATEMENTS": "tillåta uttalanden",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Varning: Denna funktion har dubbla parametrar.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Kör den användardefinierade funktionen \"%1\".",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Kör den användardefinierade funktionen \"%1\" och använd resultatet av den.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "inmatningar",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Lägg till, ta bort och ändra ordningen för inmatningar till denna funktion.",
@@ -370,9 +338,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Markera funktionsdefinition",
 	"PROCEDURES_CREATE_DO": "Skapa '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Om ett värde är sant returneras ett andra värde.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Varning: Detta block får användas endast i en funktionsdefinition.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Säg någonting...",
 	"WORKSPACE_ARIA_LABEL": "Blocklys arbetsyta",
-	"COLLAPSED_WARNINGS_WARNING": "Hopfällda block innehåller varningar."
+	"COLLAPSED_WARNINGS_WARNING": "Hopfällda block innehåller varningar.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Avbryt"
 }
diff --git a/msg/json/sw.json b/msg/json/sw.json
new file mode 100644
index 00000000000..def24c10fb2
--- /dev/null
+++ b/msg/json/sw.json
@@ -0,0 +1,12 @@
+{
+	"@metadata": {
+		"authors": [
+			"Wangombe",
+			"Yasen igra"
+		]
+	},
+	"TODAY": "Leo",
+	"HELP": "Msaada",
+	"UNDO": "Tengua",
+	"DIALOG_OK": "Sawa"
+}
diff --git a/msg/json/synonyms.json b/msg/json/synonyms.json
index 944aa9bda88..9fc089ebea7 100644
--- a/msg/json/synonyms.json
+++ b/msg/json/synonyms.json
@@ -1 +1,22 @@
-{"PROCEDURES_DEFRETURN_TITLE": "PROCEDURES_DEFNORETURN_TITLE", "CONTROLS_IF_IF_TITLE_IF": "CONTROLS_IF_MSG_IF", "CONTROLS_WHILEUNTIL_INPUT_DO": "CONTROLS_REPEAT_INPUT_DO", "CONTROLS_IF_MSG_THEN": "CONTROLS_REPEAT_INPUT_DO", "LISTS_GET_SUBLIST_INPUT_IN_LIST": "LISTS_INLIST", "CONTROLS_IF_ELSE_TITLE_ELSE": "CONTROLS_IF_MSG_ELSE", "PROCEDURES_DEFRETURN_PROCEDURE": "PROCEDURES_DEFNORETURN_PROCEDURE", "TEXT_CREATE_JOIN_ITEM_TITLE_ITEM": "VARIABLES_DEFAULT_NAME", "LISTS_GET_INDEX_INPUT_IN_LIST": "LISTS_INLIST", "PROCEDURES_DEFRETURN_COMMENT": "PROCEDURES_DEFNORETURN_COMMENT", "CONTROLS_IF_ELSEIF_TITLE_ELSEIF": "CONTROLS_IF_MSG_ELSEIF", "PROCEDURES_DEFRETURN_DO": "PROCEDURES_DEFNORETURN_DO", "CONTROLS_FOR_INPUT_DO": "CONTROLS_REPEAT_INPUT_DO", "LISTS_GET_INDEX_HELPURL": "LISTS_INDEX_OF_HELPURL", "LISTS_INDEX_OF_INPUT_IN_LIST": "LISTS_INLIST", "CONTROLS_FOREACH_INPUT_DO": "CONTROLS_REPEAT_INPUT_DO", "LISTS_CREATE_WITH_ITEM_TITLE": "VARIABLES_DEFAULT_NAME", "TEXT_APPEND_VARIABLE": "VARIABLES_DEFAULT_NAME", "MATH_CHANGE_TITLE_ITEM": "VARIABLES_DEFAULT_NAME", "LISTS_SET_INDEX_INPUT_IN_LIST": "LISTS_INLIST"}
\ No newline at end of file
+{
+  "#": "Automatically generated, do not edit this file!",
+  "CONTROLS_FOREACH_INPUT_DO": "CONTROLS_REPEAT_INPUT_DO",
+  "CONTROLS_FOR_INPUT_DO": "CONTROLS_REPEAT_INPUT_DO",
+  "CONTROLS_IF_ELSEIF_TITLE_ELSEIF": "CONTROLS_IF_MSG_ELSEIF",
+  "CONTROLS_IF_ELSE_TITLE_ELSE": "CONTROLS_IF_MSG_ELSE",
+  "CONTROLS_IF_IF_TITLE_IF": "CONTROLS_IF_MSG_IF",
+  "CONTROLS_IF_MSG_THEN": "CONTROLS_REPEAT_INPUT_DO",
+  "CONTROLS_WHILEUNTIL_INPUT_DO": "CONTROLS_REPEAT_INPUT_DO",
+  "LISTS_CREATE_WITH_ITEM_TITLE": "VARIABLES_DEFAULT_NAME",
+  "LISTS_GET_INDEX_INPUT_IN_LIST": "LISTS_INLIST",
+  "LISTS_GET_SUBLIST_INPUT_IN_LIST": "LISTS_INLIST",
+  "LISTS_INDEX_OF_INPUT_IN_LIST": "LISTS_INLIST",
+  "LISTS_SET_INDEX_INPUT_IN_LIST": "LISTS_INLIST",
+  "MATH_CHANGE_TITLE_ITEM": "VARIABLES_DEFAULT_NAME",
+  "PROCEDURES_DEFRETURN_COMMENT": "PROCEDURES_DEFNORETURN_COMMENT",
+  "PROCEDURES_DEFRETURN_DO": "PROCEDURES_DEFNORETURN_DO",
+  "PROCEDURES_DEFRETURN_PROCEDURE": "PROCEDURES_DEFNORETURN_PROCEDURE",
+  "PROCEDURES_DEFRETURN_TITLE": "PROCEDURES_DEFNORETURN_TITLE",
+  "TEXT_APPEND_VARIABLE": "VARIABLES_DEFAULT_NAME",
+  "TEXT_CREATE_JOIN_ITEM_TITLE_ITEM": "VARIABLES_DEFAULT_NAME"
+}
\ No newline at end of file
diff --git a/msg/json/ta.json b/msg/json/ta.json
index 6c0ed1d506c..5138bc26c4f 100644
--- a/msg/json/ta.json
+++ b/msg/json/ta.json
@@ -4,9 +4,11 @@
 			"Aswn",
 			"ElangoRamanujam",
 			"Ezhillang",
+			"Fahimrazick",
 			"Karuthan",
 			"Mahir78",
-			"Thangamani-arun"
+			"Thangamani-arun",
+			"தமிழ்நேரம்"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "உருப்படி",
@@ -15,15 +17,17 @@
 	"DUPLICATE_BLOCK": "மறுநகல்",
 	"ADD_COMMENT": "கருத்தை சேர்",
 	"REMOVE_COMMENT": "கருத்தை நீக்கு",
+	"DUPLICATE_COMMENT": "கருத்தை நகலெடு",
 	"EXTERNAL_INPUTS": "வெளி கருவிகளுடன் உள்ளீடு",
 	"INLINE_INPUTS": "சூழமைவில் உள்ளீடு",
 	"DELETE_BLOCK": "உறுப்பை நீக்கு",
 	"DELETE_X_BLOCKS": "%1 உறுப்பை நீக்கு",
 	"DELETE_ALL_BLOCKS": "அனைத்து %1 நிரல் துண்டுகளையும் அழிக்கவா??",
+	"CLEAN_UP": "தொகுதிகளைச் சுத்தம் செய்",
 	"COLLAPSE_BLOCK": "உறுப்பை மரை",
 	"COLLAPSE_ALL": "உறுப்புகளை மரை",
 	"EXPAND_BLOCK": "உறுப்பை காட்டு",
-	"EXPAND_ALL": "உறுப்புகளை  காட்டு",
+	"EXPAND_ALL": "உறுப்புகளை காட்டு",
 	"DISABLE_BLOCK": "உறுப்பை இயங்காது செய்",
 	"ENABLE_BLOCK": "உறுப்பை இயங்குமாரு செய்",
 	"HELP": "உதவி",
@@ -33,9 +37,12 @@
 	"RENAME_VARIABLE": "மாறிலியை மறுபெயரிடுக...",
 	"RENAME_VARIABLE_TITLE": "அனைத்து '%1' மாறிலிகளையும் பின்வருமாறு மறுபெயரிடுக:",
 	"NEW_VARIABLE": "மாறிலியை உருவாக்குக...",
+	"NEW_STRING_VARIABLE": "சரம் மாறியை உருவாக்கு...",
+	"NEW_NUMBER_VARIABLE": "எண் மாறியை உருவாக்கு...",
+	"NEW_COLOUR_VARIABLE": "வண்ண மாறியை உருவாக்கு...",
 	"NEW_VARIABLE_TYPE_TITLE": "புதிய மாறிலியின் பெயர்:",
 	"NEW_VARIABLE_TITLE": "புதிய மாறிலியின் பெயர்:",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
+	"VARIABLE_ALREADY_EXISTS": "'%1' என்ற பெயர் கொண்ட ஒரு மாறி ஏற்கனவே உள்ளது.",
 	"COLOUR_PICKER_TOOLTIP": "வண்ண தட்டிலிருந்து ஒரு நிறத்தைத் தேர்ந்தெடுக்கவும்.",
 	"COLOUR_RANDOM_TITLE": "தற்போக்கு நிறம்",
 	"COLOUR_RANDOM_TOOLTIP": "தற்போக்கில் ஒரு நிறத்தை தேர்ந்தெடுக்கவும்.",
@@ -49,7 +56,6 @@
 	"COLOUR_BLEND_COLOUR2": "நிறம் 2",
 	"COLOUR_BLEND_RATIO": "விகிதம்",
 	"COLOUR_BLEND_TOOLTIP": "கொடுக்கப்பட்ட விகதத்தில் (0.0 - 1.0) இரு நிறங்களை கலக்குக.",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "'%1' முரை திரும்ப செய்",
 	"CONTROLS_REPEAT_INPUT_DO": "செய்க",
 	"CONTROLS_REPEAT_TOOLTIP": "கட்டளைகளை பல முரை செய்ய",
@@ -57,10 +63,10 @@
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "பலமுரை திரும்ப செய் (முடயேனில்)",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "மாறி உண்மை ஆக உள்ள வரை, கட்டளைகளை இயக்கு",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "மாறி பொய் ஆக உள்ள வரை, கட்டளைகளை இயக்கு",
-	"CONTROLS_FOR_TOOLTIP": "முதல் எண்ணில்  இருந்து கடை எண் வரை எடுத்துக்கொள்ள  ஒரு மாறியை வைத்துக்கொள், குறித்த இடைவெளியை  சேர்த்தவறே தொகுதிகளை செயலாக்கு.",
+	"CONTROLS_FOR_TOOLTIP": "முதல் எண்ணில் இருந்து கடை எண் வரை எடுத்துக்கொள்ள ஒரு மாறியை வைத்துக்கொள், குறித்த இடைவெளியை சேர்த்தவறே தொகுதிகளை செயலாக்கு.",
 	"CONTROLS_FOR_TITLE": "மாறியை வைத்து எண்ண %1 %2 இல் இருந்து %3 வரை %4-இன் படியாக",
 	"CONTROLS_FOREACH_TITLE": "உருப்படி ஒவ்வொன்றாக %1 பட்டியலில் உள்ள %2",
-	"CONTROLS_FOREACH_TOOLTIP": "பட்டியலில் உள்ள உருப்படியில் ஒவ்வொன்றாக, மாறியின் பொருள் '%1' ஆக  வைக்க.",
+	"CONTROLS_FOREACH_TOOLTIP": "பட்டியலில் உள்ள உருப்படியில் ஒவ்வொன்றாக, மாறியின் பொருள் '%1' ஆக வைக்க.",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "மடக்கு கட்டளையை நிறுத்து.",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "மடக்கு கட்டளையின் அடுத்த இயக்கநிலைக்கு செல்",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "மடக்கு கட்டளையின் இயக்கத்தில் இருந்து நிறுத்து.",
@@ -76,15 +82,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "கட்டளைகளை தொகுப்பு திருத்துதம் செய்",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "ஆனால் தொகுப்பிற்கு நிபந்தனை சேர்க்க",
 	"CONTROLS_IF_ELSE_TOOLTIP": "ஆனால் தொகுப்பிற்கு விதிவிலக்கு காப்பை சேர்க்க",
-	"IOS_OK": "சரி",
-	"IOS_CANCEL": "இரத்து செய்",
-	"IOS_ERROR": "பிழை",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ மாறிலியினை சேர்",
-	"IOS_VARIABLES_ADD_BUTTON": "சேர்க்கவும்",
-	"IOS_VARIABLES_RENAME_BUTTON": "பெயர் மாற்றுக",
-	"IOS_VARIABLES_DELETE_BUTTON": "நீக்கவும்",
-	"IOS_VARIABLES_VARIABLE_NAME": "மாறிலியின் பெயர்",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "இரண்டு மாறியும் ஈடானால், மெய் பின்கொடு.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "இரண்டு மாறியும் ஈடாகாவிட்டால், மெய் பின்கொடு.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "முதல் உள்ளீடு இரண்டாவதைவிட குறைவாக இருந்தால், மெய் பின்கொடு.",
@@ -105,7 +102,7 @@
 	"LOGIC_TERNARY_CONDITION": "சோதனை",
 	"LOGIC_TERNARY_IF_TRUE": "மெய்யெனில்",
 	"LOGIC_TERNARY_IF_FALSE": "பொய்யெனில்",
-	"LOGIC_TERNARY_TOOLTIP": "'test' உள்ள நிபந்தனையை சரிபார்க்கவும், நிபந்தனை மெய்யானால்,'if true'வை  பின்கொடுக்கும் இல்லையெனில்  'if false'வை  பின்கொடுக்கும்.",
+	"LOGIC_TERNARY_TOOLTIP": "'test' உள்ள நிபந்தனையை சரிபார்க்கவும், நிபந்தனை மெய்யானால்,'if true'வை பின்கொடுக்கும் இல்லையெனில் 'if false'வை பின்கொடுக்கும்.",
 	"MATH_NUMBER_HELPURL": "https://ta.wikipedia.org/wiki/%E0%AE%8E%E0%AE%A3%E0%AF%8D",
 	"MATH_NUMBER_TOOLTIP": "ஒரு எண்.",
 	"MATH_ARITHMETIC_HELPURL": "https://ta.wikipedia.org/wiki/%E0%AE%8E%E0%AE%A3%E0%AF%8D%E0%AE%95%E0%AE%A3%E0%AE%BF%E0%AE%A4%E0%AE%AE%E0%AF%8D",
@@ -122,8 +119,8 @@
 	"MATH_SINGLE_TOOLTIP_NEG": "ஒரு எண்ணின் எதிர்மறை மதிப்பை பின்கொடு",
 	"MATH_SINGLE_TOOLTIP_LN": "ஒரு எண்ணின் (இயற்கை) மடக்கை மதிப்பை பின்கொடு.",
 	"MATH_SINGLE_TOOLTIP_LOG10": "ஒரு எண்ணின் (10) மடக்கை மதிப்பை பின்கொடு.",
-	"MATH_SINGLE_TOOLTIP_EXP": "e-இன் எண் அடுக்கு  பெருக்கை பின்கொடு.",
-	"MATH_SINGLE_TOOLTIP_POW10": "10-இன் எண் அடுக்கு  பெருக்கை பின்கொடு.",
+	"MATH_SINGLE_TOOLTIP_EXP": "e-இன் எண் அடுக்கு பெருக்கை பின்கொடு.",
+	"MATH_SINGLE_TOOLTIP_POW10": "10-இன் எண் அடுக்கு பெருக்கை பின்கொடு.",
 	"MATH_TRIG_HELPURL": "https://ta.wikipedia.org/wiki/%E0%AE%AE%E0%AF%81%E0%AE%95%E0%AF%8D%E0%AE%95%E0%AF%8B%E0%AE%A3%E0%AE%B5%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D_%E0%AE%9A%E0%AE%BE%E0%AE%B0%E0%AF%8D%E0%AE%AA%E0%AF%81%E0%AE%95%E0%AE%B3%E0%AF%8D",
 	"MATH_TRIG_TOOLTIP_SIN": "டிகிரீ சைன் மதிப்பை பின்கொடு.",
 	"MATH_TRIG_TOOLTIP_COS": "டிகிரீ கோசைன் மதிப்பை பின்கொடு",
@@ -137,13 +134,11 @@
 	"MATH_IS_ODD": "2-ஆல் பகாத",
 	"MATH_IS_PRIME": "எண் பகாத்தனிதானதா?",
 	"MATH_IS_WHOLE": "எண் முழுதானதா?",
-	"MATH_IS_POSITIVE": "எண் நேர்ம முழுதானதா  ?",
-	"MATH_IS_NEGATIVE": "எண் குறைவானதா  ?",
+	"MATH_IS_POSITIVE": "எண் நேர்ம முழுதானதா ?",
+	"MATH_IS_NEGATIVE": "எண் குறைவானதா ?",
 	"MATH_IS_DIVISIBLE_BY": "ஆல் வகுபடக் கூடியது",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "மாற்று %1 மூலம் %2",
 	"MATH_CHANGE_TOOLTIP": "எண்னை '%1' மதிப்பால் கூட்டு,",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "மேல்/கீழ் வழி முழு எண் ஆக மாற்று.",
 	"MATH_ROUND_OPERATOR_ROUND": "முழுமையாக்கு",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "மேல்வழி முழுமையாக்கு",
@@ -164,15 +159,12 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "பட்டியலின் நியமவிலகலை பின்கொடு.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "ஒரு பட்டியலில் இருந்து சீரற்ற உருப்படி",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "ஒரு பட்டியலில் இருந்து சீரற்ற உருப்படி பின்கொடு",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "%1 ÷ %2ன் மீதி",
 	"MATH_MODULO_TOOLTIP": "இரண்டு எண்கள் மூலம் பிரிவில் இருந்து எஞ்சியதை பின்கொடு.",
 	"MATH_CONSTRAIN_TITLE": "%1 மாறியை %2 மேலும் %3 கீழும் வற்புறுத்து",
 	"MATH_CONSTRAIN_TOOLTIP": "எண் மாறி வீசுகளம் உள்ளடங்கிய வாறு வற்புறுத்து",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
-	"MATH_RANDOM_INT_TITLE": "வீசுகளம் %1 இல் இருந்து %2 உள்ளடங்கிய வாறு  சீரற்ற எண்",
-	"MATH_RANDOM_INT_TOOLTIP": "வீசுகளம் இல் இருந்த (உள்ளடங்கிய) வாறு  சீரற்ற எண் பின்கொடு.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
+	"MATH_RANDOM_INT_TITLE": "வீசுகளம் %1 இல் இருந்து %2 உள்ளடங்கிய வாறு சீரற்ற எண்",
+	"MATH_RANDOM_INT_TOOLTIP": "வீசுகளம் இல் இருந்த (உள்ளடங்கிய) வாறு சீரற்ற எண் பின்கொடு.",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "சீரற்ற எண் பின்னம்",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "சீரற்ற எண் பின்னம், 0.0 இல் இருந்து 1.0 உட்பட, பின்கொடு.",
 	"TEXT_TEXT_HELPURL": "https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AE%B0%E0%AE%AE%E0%AF%8D_%28%E0%AE%95%E0%AE%A3%E0%AE%BF%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D%29",
@@ -205,7 +197,7 @@
 	"TEXT_GET_SUBSTRING_START_FIRST": "-இல் உட்கணம் முதல் எழுத்திலிருந்து",
 	"TEXT_GET_SUBSTRING_END_FROM_START": "எழுத்து # வரை",
 	"TEXT_GET_SUBSTRING_END_FROM_END": "எழுத்து கடைசியில் இருந்து # வரை",
-	"TEXT_GET_SUBSTRING_END_LAST": "கடைசி எழுத்து  வரை",
+	"TEXT_GET_SUBSTRING_END_LAST": "கடைசி எழுத்து வரை",
 	"TEXT_CHANGECASE_TOOLTIP": "உரை நகல் எடுத்து பொரிய/சின்ன எழுத்து மாற்றி பின்கொடு.",
 	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "பொரிய எழுத்துக்கு மாற்று",
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "சின்ன எழுத்துக்கு மாற்று",
@@ -238,15 +230,15 @@
 	"LISTS_INDEX_OF_LAST": "உரையில் கடைசி தோற்ற இடத்தை காட்டு",
 	"LISTS_INDEX_OF_TOOLTIP": "பட்டியலில் மதிப்பின் முதல், கடைசி தோற்ற இடத்தை பின்கொடு. காணாவிட்டால் %1 பின்கொடு.",
 	"LISTS_GET_INDEX_GET": "எடு",
-	"LISTS_GET_INDEX_GET_REMOVE": "பெற்று நீக்குக",
-	"LISTS_GET_INDEX_REMOVE": "நீக்குக",
+	"LISTS_GET_INDEX_GET_REMOVE": "பெற்று நீக்கு",
+	"LISTS_GET_INDEX_REMOVE": "அகற்று",
 	"LISTS_GET_INDEX_FROM_END": "கடைசியில் இருந்து #",
 	"LISTS_GET_INDEX_FIRST": "முதல்",
 	"LISTS_GET_INDEX_LAST": "கடைசி",
 	"LISTS_GET_INDEX_RANDOM": "ஏதோ ஒன்று",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 முதல் உருப்படி.",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 கடைசி உருப்படி.ி",
-	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "பட்டியலில்  இடத்தில் உருப்படி பின்கொடு.",
+	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "பட்டியலில் இடத்தில் உருப்படி பின்கொடு.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_FIRST": "பட்டியல் முதல் உருப்படியை பின்கொடு,",
 	"LISTS_GET_INDEX_TOOLTIP_GET_LAST": "பட்டியல் கடைசி உருப்படியை பின்கொடு,",
 	"LISTS_GET_INDEX_TOOLTIP_GET_RANDOM": "பட்டியல் சீரற்ற உருப்படியை பின்கொடு,",
@@ -299,9 +291,7 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "வெளியீடு உள்ள ஒரு செயல்பாடு உருவாக்குகிறது",
 	"PROCEDURES_ALLOW_STATEMENTS": "வாக்குமூலங்களை அனுமதிக்கவும்",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "எச்சரிக்கை: இந்த செயற்கூறில் போலியான அளபுருக்கள் உண்டு.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "பயனரின் '%1' செயற்கூற்றை ஓட்டு.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "பயனரின் '%1' செயற்கூற்றை ஓட்டி வரும் வெளியீட்டை பயன்படுத்து.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "உள்ளீடுகள்",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "செயல்கூறுகளின் உள்ளீட்டை சேர், நீக்கு, or மீண்டும் வரிசை செய்.",
@@ -310,5 +300,7 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "நிரல்பாகத்தை விளக்கமாக காட்டு",
 	"PROCEDURES_CREATE_DO": "'%1' உருவாக்குக",
 	"PROCEDURES_IFRETURN_TOOLTIP": "மதிப்பு உண்மையானால், இரண்டாவது மதிப்பை பின்கொடு.",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "ஏதாகினும் பகர்க..."
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "ஏதாகினும் பகர்க...",
+	"DIALOG_OK": "சரி",
+	"DIALOG_CANCEL": "இரத்து செய்"
 }
diff --git a/msg/json/tcy.json b/msg/json/tcy.json
index 17b2442ac3c..06704e50b7b 100644
--- a/msg/json/tcy.json
+++ b/msg/json/tcy.json
@@ -3,12 +3,15 @@
 		"authors": [
 			"BHARATHESHA ALASANDEMAJALU",
 			"Bharathesha Alasandemajalu",
+			"ChiK",
+			"Chidananda Kampa",
 			"Kiranpoojary",
 			"Ravi Mundkur",
 			"Vishwanatha Badikana"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "ವಸ್ತು",
+	"UNNAMED_KEY": "ಪುದರ್ ಇಜ್ಜಂತಿನವು",
 	"TODAY": "ಇನಿ",
 	"DUPLICATE_BLOCK": "ನಕಲ್",
 	"ADD_COMMENT": "ಟಿಪ್ಪಣಿ ಸೇರ್ಸಲೆ",
@@ -25,7 +28,7 @@
 	"EXPAND_ALL": "ಮಾತಾ ತಡೆಕ್ಲೆನ ಮಾಹಿತಿನ್ ಪರಡಾವು",
 	"DISABLE_BLOCK": "ಬ್ಲಾಕ್‍ನ್ ದೆತ್ತ್‌ಪಾಡ್",
 	"ENABLE_BLOCK": "ತಡೆನ್ ಸಕ್ರಿಯೊ ಮಲ್ಪು",
-	"HELP": "ಸಕಾಯೊ",
+	"HELP": "ಸಹಾಯೊ",
 	"UNDO": "ದುಂಬುದಲೆಕೊ",
 	"REDO": "ಕುಡ ಮಲ್ಪು",
 	"CHANGE_VALUE_TITLE": "ಮೌಲ್ಯೊನು ಬದಲ್ ಮಲ್ಪು",
@@ -50,8 +53,7 @@
 	"COLOUR_BLEND_COLOUR2": "ಬಣ್ಣೊ ೨(ರಡ್ಡ್)",
 	"COLOUR_BLEND_RATIO": "ಅನುಪಾತೊ",
 	"COLOUR_BLEND_TOOLTIP": "ಕೊರಿನ ಅನುಪಾತೊಡು (0.0- 1.0) ರಡ್ಡ್ ಬಣ್ಣೊಲೆನ್ ಬೆರಕೆ ಮಲ್ಪುಂಡು.",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
-	"CONTROLS_REPEAT_TITLE": " %1 ಸರ್ತಿ ಕೂಡೊರ ಮಲ್ಪು",
+	"CONTROLS_REPEAT_TITLE": "%1 ಸರ್ತಿ ಕೂಡೊರ ಮಲ್ಪು",
 	"CONTROLS_REPEAT_INPUT_DO": "ಮಲ್ಪುಲೆ",
 	"CONTROLS_REPEAT_TOOLTIP": "ಕೆಲವು ಪಾತೆರೊಲೆನ್ ಮಸ್ತ್ ಸರ್ತಿ ಮಲ್ಪು",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "ಉಂದು ನಿಜ ಆಂಡ ಕುಡೊರ ಮಲ್ಪು:",
@@ -77,20 +79,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "ಸೇರಾವ್, ದೆತ್ತ್‌ ಬುಡು, ಅತ್ತಂಡ ಈ 'ಒಂಜಿ ವೇಲೆ' ತಡೆನ್ ಕುಡ ಸಂರಚಣೆ ಮಲ್ಪೆರೆ ವಿಭಾಗೊಲೆನ್ ಕುಡ ಒತ್ತರೆ ಮಲ್ಪುಲೆ.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "'ಒಂಜಿ ವೇಲೆ' ತಡೆಕ್ಕ್ ಒಂಜಿ ಶರ್ತನ್ ಸೇರಾವ್",
 	"CONTROLS_IF_ELSE_TOOLTIP": "'ಒಂಜಿ ವೇಲೆ' ತಡೆಕ್ಕ್ ಒಂಜಿ ಕಡೆತ್ತ ಮಾತೆನ್ಲಾ-ಪತ್ತ್ (catch-all) ಶರ್ತನ್ ಸೇರಾವ್",
-	"IOS_OK": "ಸರಿ",
-	"IOS_CANCEL": "ವಜಾ ಮಲ್ಪುಲೆ",
-	"IOS_ERROR": "ದೋಷ",
-	"IOS_PROCEDURES_INPUTS": "ಇನ್‌ಪುಟ್‌ಲು",
-	"IOS_PROCEDURES_ADD_INPUT": "+ ಇನ್‌ಪುಟ್ ಸೇರಾಲೆ",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "ಹೇಳಿಕೆಗ್ ಅವಕಾಸೊ",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "ಈ ಕಾರ್ಯೊಡು ಡುಪ್ಲಿಕೇಟ್ ಇನ್‌ಪುಟ್ ಉಂಡು.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ ವ್ಯತ್ಯಯೊನು ಸೇರಾಲೆ",
-	"IOS_VARIABLES_ADD_BUTTON": "ಸೇರಾಲೆ",
-	"IOS_VARIABLES_RENAME_BUTTON": "ಪೊಸ ಪುದರ್",
-	"IOS_VARIABLES_DELETE_BUTTON": "ಮಾಜಾಲೆ",
-	"IOS_VARIABLES_VARIABLE_NAME": "ವ್ಯತ್ಯಯೊದ ಪುದರ್",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "ವ್ಯತ್ಯಯೊದ ಪುದರ್‌ನ್ ಖಾಲಿ ಬುಡಿಯೆರೆ ಆಪುಜಿ",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "ರಡ್ದ್ ಇನ್‌ಪುಟ್‌ಲಾ ಸಮ ಇತ್ತ್ಂಡ 'ನಿಜ'ನ್ ಪಿರಕೊರು",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "ರಡ್ದ್ ಇನ್‌ಪುಟ್‌ಲಾ ಸಮ ಅತ್ತಾಂಡ 'ನಿಜ'ನ್ ಪಿರಕೊರು",
 	"LOGIC_COMPARE_TOOLTIP_LT": "ಸುರುತ್ತ ಇನ್‌ಪುಟ್ ರಡ್ಡನೆ ಇನ್‌ಪುಟ್‌ಡ್ದ್ ಎಲ್ಯ ಆದಿತ್ತ್ಂಡ, 'ನಿಜ'ನ್ ಪಿರಕೊರು",
@@ -113,7 +101,7 @@
 	"LOGIC_TERNARY_IF_FALSE": "ಒಂಜಿ ವೇಲೆ ಸುಲ್ಲಾಂಡ",
 	"LOGIC_TERNARY_TOOLTIP": "'ಪರೀಕ್ಷೆ'ಡ್ ಶರ್ತನ್ ಸರಿತೂಲೆ. ಶರ್ತ ನಿಜವಾದಿತ್ತ್ಂಡ, 'ಒಂಜಿ ವೇಲೆ ನಿಜ ಆಂಡ' ಮೌಲ್ಯೊನು ಪಿರಕೊರ್ಪುಂಡು; ಇಜ್ಜಿಂಡ 'ಒಂಜಿ ವೇಲೆ ಸುಲ್ಲಾಂಡ' ಮೌಲ್ಯೊನು ಪಿರಕೊರ್ಪುಂಡು.",
 	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/ಸಂಖ್ಯೆ",
-	"MATH_NUMBER_TOOLTIP": "ಅ ನಂಬ್ರೊ",
+	"MATH_NUMBER_TOOLTIP": "ಅ ನಂಬ್ರೊ.",
 	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/ಅಂಕಗಣಿತ",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "ರಡ್ಡ್ ಸಂಖ್ಯೆದ ಮೊತ್ತನ್ ಪಿರಕೊರು.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "ರಡ್ಡ ಸ್ಂಖ್ಯೆದ ವ್ಯತ್ಯಾಸೊನು ಪಿರಕೊರು.",
@@ -147,7 +135,6 @@
 	"MATH_IS_NEGATIVE": "ಋಣ ಸಂಖ್ಯೆ",
 	"MATH_IS_DIVISIBLE_BY": "ಭಾಗಿಪೊಲಿ",
 	"MATH_IS_TOOLTIP": "ಒಂಜಿ ಸಂಖ್ಯೆ ಸಮನಾ, ಬೆಸನಾ, ಅವಿಭಾಜ್ಯನಾ, ಪೂರ್ಣನಾ, ಧನನಾ, ಋಣನಾ, ಅತ್ತಂಡ ಅವೆನ್ ಬೇತೆ ಒಂಜಿ ನಿರ್ದಿಷ್ಟ ಸಂಖ್ಯೆಡ್ದ್ ಭಾಗಿಪೊಲಿಯಾ ಪಂದ್ ಪರೀಕ್ಷೆ ಮಲ್ಪು. ನಿಜ ಅತ್ತಂಡ ಸುಲ್ಲುನು ಪಿರಕೊರ್ಪುಂಡು.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "%1 ನ್ %2 ಟ್ ಬದಲ್ ಮಲ್ಪು",
 	"MATH_CHANGE_TOOLTIP": "'%1' ವ್ಯತ್ಯಯೊಗು ಒಂಜಿ ಸಂಖ್ಯೆನ್ ಸೇರಾವ್",
 	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/ಪೂರ್ಣಾಂಕೊ",
@@ -172,17 +159,16 @@
 	"MATH_ONLIST_OPERATOR_RANDOM": "ಪಟ್ಟಿದ ಒವ್ವಾಂಡಲ ಒಂಜಿ ವಿಷಯ",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "ಪಟ್ಟಿದ ಒವ್ವಾಂಡಲ ಒಂಜಿ ಅಂಶೊನು ಪಿರಕೊರು.",
 	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/ಮೋಡ್ಯುಲೊ_ಒಪರೇಶನ್",
-	"MATH_MODULO_TITLE": " %1 ÷ %2 ತ ಶೇಷ",
+	"MATH_MODULO_TITLE": "%1 ÷ %2 ತ ಶೇಷ",
 	"MATH_MODULO_TOOLTIP": "ರಡ್ಡ್ ಸಂಖ್ಯೆಲೆನ್ ಭಾಗ ಮಲ್ತ್‌ದ್ ಶೇಷೊನು ಪಿರಕೊರು.",
 	"MATH_CONSTRAIN_TITLE": "%2 ಕಮ್ಮಿ %3 ಜಾಸ್ತಿ %1 ನಿರ್ಬಂಧ ಮಲ್ಪು",
 	"MATH_CONSTRAIN_TOOLTIP": "ನಿಗದಿತ ಮಿತಿತ ನಡುಟು ಒಂಜಿ ಸಂಖ್ಯೆನ್ ನಿರ್ಬಂಧ ಮಲ್ಪು",
 	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/ರಾಂಡಮ್_ನಂಬರ್_ಜನರೇಶನ್",
-	"MATH_RANDOM_INT_TITLE": " %1 ಡ್ದ್ %2 ಯಾದೃಚ್ಛಿಕ ಪೂರ್ಣಾಂಕೊ",
+	"MATH_RANDOM_INT_TITLE": "%1 ಡ್ದ್ %2 ಯಾದೃಚ್ಛಿಕ ಪೂರ್ಣಾಂಕೊ",
 	"MATH_RANDOM_INT_TOOLTIP": "ರಡ್ಡ್ ನಿಗದಿತ ಮಿತಿತ ನಡುತ್ತ ಯಾದೃಚ್ಛಿಕ ಪೂರ್ಣಾಂಕೊನು ಪಿರಕೊರು",
 	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/ರಾಂಡಮ್_ನಂಬರ್_ಜನರೇಶನ್",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "ಒವ್ವಾಂಡಲ ಒಂಜಿ ಭಿನ್ನರಾಶಿ",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "0.0 (ಸೇರ್‌ದ್) ಬೊಕ್ಕ 1.0 (ಸೇರಂದೆ) ನಡುತ ಒವ್ವಾಂಡಲ ಒಂಜಿ ಭಿನ್ನರಾಶಿನ್ ಪಿರಕೊರು.",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/ಸ್ಟ್ರಿಂಗ್_(ಕಂಪ್ಯೂಟರ್_ಸೈನ್ಸ್)",
 	"TEXT_TEXT_TOOLTIP": "ಒಂಜಿ ಅಕ್ಷರೊ, ಪದೊ ಅತ್ತಂಡ ಪಾಟೊದ ಒಂಜಿ ಸಾಲ್",
 	"TEXT_JOIN_TITLE_CREATEWITH": "ನೆಡ್ದ್ ಪಟ್ಯೊನು ಉಂಡು ಮಲ್ಪು",
@@ -252,7 +238,7 @@
 	"LISTS_GET_INDEX_FROM_END": "ಅಕೇರಿಡ್ದ್ #",
 	"LISTS_GET_INDEX_FIRST": "ಸುರುತ",
 	"LISTS_GET_INDEX_LAST": "ಕಡೆತ",
-	"LISTS_GET_INDEX_RANDOM": "ಗೊತ್ತು ಗುರಿದಾಂತಿನ",
+	"LISTS_GET_INDEX_RANDOM": "ಒವ್ವಾಂಡಲ",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 ಸುರುತ ವಿಸಯೊ",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 ಅಕೇರಿತ ವಿಸಯೊ",
 	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "ಒಂಜಿ ಪಟ್ಟಿಡ್ ನಿರ್ದಿಷ್ಟ ಸ್ಥಿತಿಡ್ ವಿಸಯೊನು ಪಿರಕೊರ್ಪುಂಡು.",
@@ -285,7 +271,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "ಅಕೇರಿಡ್ದ್ # ಗ್",
 	"LISTS_GET_SUBLIST_END_LAST": "ಅಕೇರಿಗ್",
 	"LISTS_GET_SUBLIST_TOOLTIP": "ಪಟ್ಯೊದ ನಿರ್ದಿಷ್ಟ ಬಾಗೊದ ಪ್ರತಿನ್ ಉಂಡುಮಲ್ಪುಂಡು.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "%1 %2 %3 ಇಂಗಡಿಪು",
 	"LISTS_SORT_TOOLTIP": "ಒಂಜಿ ಪಟ್ಟಿದ ಒಂಜಿ ಪ್ರತಿನ್ ಇಂಗಡಿಪು",
 	"LISTS_SORT_ORDER_ASCENDING": "ಏರುನು",
@@ -316,13 +301,16 @@
 	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/ವರ್ಗಮೂಲೊ",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "'%1' ಬಳಕೆದಾರೆರೆ ಕಾರ್ಯೊನು ನಡಪಾಲೆ.",
 	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/ವರ್ಗಮೂಲೊ",
-	"PROCEDURES_CALLRETURN_TOOLTIP": " ಬಳಕೆದಾರೆರೆ ಕಾರ್ಯೊ '%1' ನು ನಡಪಾಲೆ ಬುಕ್ಕೊ ಅಯಿತ ಉತ್ಪಾದನೆನ್ ಗಲಸ್‌ಲೆ.",
+	"PROCEDURES_CALLRETURN_TOOLTIP": "ಬಳಕೆದಾರೆರೆ ಕಾರ್ಯೊ '%1' ನು ನಡಪಾಲೆ ಬುಕ್ಕೊ ಅಯಿತ ಉತ್ಪಾದನೆನ್ ಗಲಸ್‌ಲೆ.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "ಉಲಪರಿಪು",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "ಸೇರಾಲೆ, ದೆತ್ತ್‌ ಬುಡುಲೆ, ಅತ್ತಂಡ ಈ ಕಾರ್ಯೊಗು ಉಲಪರಿಪುಲೆನ್ ಕುಡ ಒತ್ತರೆ ಮಲ್ಪುಲೆ.",
 	"PROCEDURES_MUTATORARG_TITLE": "ಉಲಪರಿಪುದ ಪುದರ್:",
 	"PROCEDURES_MUTATORARG_TOOLTIP": "ಕಾರ್ಯೊಗು ಒಂಜಿ ಉಲಪರಿಪುನು ಸೇರಲೆ.",
 	"PROCEDURES_HIGHLIGHT_DEF": "ದೆರ್ತ್ ತೋಜುನ ಕಾರ್ಯೊದ ವ್ಯಾಕ್ಯಾನೊ",
-	"PROCEDURES_CREATE_DO": " '%1'ನ್ ಉಂಡುಮಲ್ಪುಲೆ",
+	"PROCEDURES_CREATE_DO": "'%1'ನ್ ಉಂಡುಮಲ್ಪುಲೆ",
 	"PROCEDURES_IFRETURN_TOOLTIP": "ಮೌಲ್ಯೊ ಸತ್ಯೊ ಆಂಡ, ರಡ್ಡನೆ ಮೌಲ್ಯೊನು ಪಿರಕೊರು.",
-	"PROCEDURES_IFRETURN_WARNING": "ಎಚ್ಚರಿಕೆ: ಒಂಜಿ ಕಾರ್ಯ ವ್ಯಾಕ್ಯಾನೊದುಲಯಿ ಮಾತ್ರ ಈ ತಡೆನ್ ಗಲಸೊಲಿ."
+	"PROCEDURES_IFRETURN_WARNING": "ಎಚ್ಚರಿಕೆ: ಒಂಜಿ ಕಾರ್ಯ ವ್ಯಾಕ್ಯಾನೊದುಲಯಿ ಮಾತ್ರ ಈ ತಡೆನ್ ಗಲಸೊಲಿ.",
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "ದಾದಾಂಡಲ ಪನ್ಲೇ...",
+	"DIALOG_OK": "ಅವು",
+	"DIALOG_CANCEL": "ಉಂತಾಲೆ"
 }
diff --git a/msg/json/tdd.json b/msg/json/tdd.json
new file mode 100644
index 00000000000..2bb756d2367
--- /dev/null
+++ b/msg/json/tdd.json
@@ -0,0 +1,109 @@
+{
+	"@metadata": {
+		"authors": [
+			"AeyTaiNuea",
+			"咽頭べさ"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "ᥟᥢᥴ",
+	"TODAY": "ᥛᥫᥲᥢᥭᥳ",
+	"DUPLICATE_BLOCK": "ᥗᥧᥖᥱ",
+	"ADD_COMMENT": "ᥔᥬᥱᥑᥩᥲᥑᥭᥲᥓᥬᥴ",
+	"REMOVE_COMMENT": "ᥗᥩᥢᥴᥙᥦᥖᥲ ᥑᥩᥲᥑᥭᥲᥓᥬᥴ",
+	"EXTERNAL_INPUTS": "ᥑᥫᥒᥲᥟᥢᥴᥘᥧᥐᥳᥖᥣᥒᥰᥢᥩᥐᥲᥑᥝᥲᥛᥣᥰ",
+	"INLINE_INPUTS": "ᥑᥫᥒᥲᥟᥢᥴᥑᥝᥲᥛᥣᥰᥓᥩᥛᥰᥘᥦᥒᥰ",
+	"DELETE_BLOCK": "ᥛᥩᥖᥱᥙᥘᥩᥐᥳ",
+	"DELETE_X_BLOCKS": "ᥛᥩᥖᥱᥘᥩᥒᥲᥞᥦᥳᥖᥖᥰ %1",
+	"COLLAPSE_BLOCK": "ᥘᥩᥒᥲᥞᥦᥳᥖᥖᥰᥘᥦᥝᥴ",
+	"COLLAPSE_ALL": "ᥘᥩᥒᥲᥞᥦᥳᥖᥖᥰᥓᥫᥰᥘᥦᥝᥴ",
+	"EXPAND_BLOCK": "ᥑᥣᥐᥲᥘᥩᥒᥲᥞᥦᥳᥖᥖᥰ",
+	"EXPAND_ALL": "ᥑᥣᥐᥲᥓᥫᥰᥞᥦᥳᥖᥖᥰ",
+	"DISABLE_BLOCK": "ᥟᥪᥖᥰᥓᥬᥳ ᥘᥩᥒᥲᥞᥦᥳᥖᥖᥰ",
+	"ENABLE_BLOCK": "ᥙᥪᥖᥱᥓᥬᥳ ᥘᥩᥒᥲᥞᥦᥳᥖᥖᥰ",
+	"HELP": "ᥓᥩᥭᥲᥗᥦᥛᥴ",
+	"CHANGE_VALUE_TITLE": "ᥘᥦᥐᥲᥘᥣᥭᥲᥢᥛᥳᥐᥖᥳ:",
+	"RENAME_VARIABLE": "ᥘᥪᥛᥳᥑᥪᥢᥰ ᥟᥢᥴᥘᥣᥭᥲᥛᥬᥱ...",
+	"RENAME_VARIABLE_TITLE": "ᥘᥪᥛᥳᥑᥪᥢᥰ ᥟᥢᥴᥘᥣᥭᥲᥛᥬᥱᥓᥫᥰᥢᥢᥳ '%1' ᥗᥪᥒᥴ:",
+	"NEW_VARIABLE": "ᥐᥩᥱᥔᥣᥒᥲ ᥖᥨᥝᥴᥢᥪᥒᥴ...",
+	"NEW_VARIABLE_TITLE": "ᥓᥪᥲᥟᥢᥴᥘᥣᥭᥲᥛᥬᥱ:",
+	"COLOUR_PICKER_HELPURL": "https://tdd.wikipedia.org/wiki/ᥔᥤᥴ",
+	"COLOUR_PICKER_TOOLTIP": "ᥘᥫᥐᥲᥔᥤᥴ ᥖᥛᥲᥖᥤᥲ ᥚᥣᥰᥘᥦᥖᥳ.",
+	"COLOUR_RANDOM_TITLE": "ᥔᥤᥴᥘᥣᥛᥰᥘᥤᥛᥰ",
+	"COLOUR_RANDOM_TOOLTIP": "ᥘᥫᥐᥲᥔᥤᥴᥖᥛᥲᥖᥤᥲᥘᥩᥐᥰᥘᥣᥛᥰᥘᥤᥛᥰ.",
+	"COLOUR_RGB_TITLE": "ᥞᥨᥛᥲᥐᥪᥐᥰᥔᥤᥴ",
+	"COLOUR_RGB_RED": "ᥘᥤᥒᥴ",
+	"COLOUR_RGB_GREEN": "ᥑᥥᥝᥴ",
+	"COLOUR_RGB_BLUE": "ᥔᥩᥛᥱ",
+	"COLOUR_RGB_TOOLTIP": "ᥞᥥᥖᥰᥖᥨᥭᥰ ᥔᥤᥴᥟᥢᥴᥢᥪᥒᥲ ᥓᥩᥛᥰᥢᥒᥱᥛᥐᥰᥛᥢᥲᥝᥭᥳ ᥢᥬᥰᥑᥣᥒᥱ ᥔᥤᥴᥘᥦᥒᥴ, ᥑᥥᥝᥴ ᥘᥦᥲ ᥔᥩᥛᥱ. ᥢᥛᥳᥢᥐᥰᥔᥤᥴ ᥖᥥᥴᥘᥭᥲᥛᥤᥰᥢᥬᥰᥝᥨᥒᥲᥐᥣᥒᥴ 0 ᥖᥩᥱ 100.",
+	"COLOUR_BLEND_TITLE": "ᥘᥩᥰᥘᥦᥰ",
+	"COLOUR_BLEND_COLOUR1": "ᥔᥤᥴ 1",
+	"COLOUR_BLEND_COLOUR2": "ᥔᥤᥴ 2",
+	"COLOUR_BLEND_RATIO": "ᥔᥦᥢᥰ",
+	"COLOUR_BLEND_TOOLTIP": "ᥟᥝᥴᥔᥤᥴᥔᥩᥒᥴᥟᥢᥴᥘᥩᥰᥐᥢᥴ ᥓᥩᥛᥰᥢᥛᥴ ᥔᥦᥢᥰᥟᥢᥴᥙᥢᥴᥝᥭᥳ (0.0 - 1.0).",
+	"CONTROLS_REPEAT_HELPURL": "https://tdd.wikipedia.org/wiki/ᥖᥣᥱᥖᥨᥒᥱᥛᥨᥢᥰ",
+	"CONTROLS_REPEAT_TITLE": "ᥙᥢᥱᥑᥪᥢᥰ %1 ᥐᥛᥰ",
+	"CONTROLS_REPEAT_INPUT_DO": "ᥞᥥᥖᥰ",
+	"CONTROLS_REPEAT_TOOLTIP": "ᥞᥥᥖᥰᥑᥩᥲᥐᥥᥙᥰᥗᥩᥢᥴᥐᥛᥲᥚᥩᥒᥲ ᥖᥒᥰᥢᥛᥴ.",
+	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "ᥑᥣᥝᥰᥖᥪᥐᥳᥘᥪᥛᥳ",
+	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "ᥖᥪᥐᥳᥘᥪᥛᥳᥗᥪᥒᥴ",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "ᥙᥩᥰᥝᥣᥲ ᥐᥣᥲᥑᥢᥴ (ᥢᥛᥳᥐᥖᥳ) ᥛᥣᥢᥱᥛᥦᥢᥲᥕᥝᥳᥓᥪᥒᥴ ᥞᥥᥖᥰᥑᥩᥲᥐᥥᥙᥰᥗᥩᥢᥴᥐᥛᥲᥚᥩᥒᥲ.",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "ᥙᥩᥰᥝᥣᥲ ᥐᥣᥲᥑᥢᥴ (ᥢᥛᥳᥐᥖᥳ) ᥟᥛᥱᥛᥣᥢᥱᥛᥦᥢᥲᥓᥪᥒᥴ ᥞᥥᥖᥰᥑᥩᥲᥐᥥᥙᥰᥗᥩᥢᥴ ᥐᥛᥲᥚᥩᥒᥲ.",
+	"CONTROLS_FOR_TITLE": "ᥖᥦᥱᥟᥣᥢᥱᥐᥪᥐᥰ %1 ᥖᥩᥱ %2 ᥖᥩᥱ %3 ᥘᥨᥭᥲ %4",
+	"CONTROLS_FOREACH_TITLE": "ᥖᥣᥱᥐᥧᥲᥟᥢᥴᥟᥢᥴ ᥢᥬᥰ %1 ᥔᥥᥢᥲᥛᥣᥭᥴ %2",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "ᥟᥩᥐᥱᥖᥤᥲᥑᥩᥙᥱᥛᥨᥢᥰ",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "ᥔᥪᥙᥱᥙᥢᥱᥗᥦᥒᥲ ᥑᥩᥙᥱᥛᥨᥢᥰᥖᥣᥒᥱᥟᥢᥴ",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "ᥐᥪᥖᥰᥙᥦᥖᥲ ᥑᥩᥙᥱᥛᥨᥢᥰ ᥟᥢᥴᥛᥤᥰᥝᥭᥳ",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "ᥝᥥᥢᥳᥝᥭᥳ ᥑᥩᥙᥱᥛᥨᥢᥰ ᥟᥢᥴᥐᥪᥖᥰᥓᥫᥲᥝᥭᥳ, ᥔᥥᥴ ᥔᥪᥙᥱᥗᥦᥒᥲᥖᥣᥒᥱᥟᥢᥴ.",
+	"CONTROLS_FLOW_STATEMENTS_WARNING": "ᥜᥣᥒᥳ: ᥙᥘᥩᥐᥳᥟᥢᥴᥢᥭᥳ ᥐᥨᥭᥰᥓᥬᥳᥘᥨᥭᥲᥖᥣᥱ ᥑᥩᥙᥱᥛᥨᥢᥰᥐᥨᥭᥰ.",
+	"CONTROLS_IF_TOOLTIP_1": "ᥙᥩᥰᥝᥣᥲ ᥐᥣᥲᥑᥢᥴ (ᥢᥛᥳᥐᥖᥳ) ᥛᥣᥢᥱᥛᥦᥢᥲᥕᥝᥳᥓᥪᥒᥴ ᥞᥥᥖᥰᥑᥩᥲᥐᥥᥙᥰᥗᥩᥢᥴᥐᥛᥲᥚᥩᥒᥲ.",
+	"CONTROLS_IF_TOOLTIP_2": "ᥙᥩᥰᥝᥣᥲ ᥐᥣᥲᥑᥢᥴ (ᥢᥛᥳᥐᥖᥳ) ᥛᥣᥢᥱᥛᥦᥢᥲᥕᥝᥳᥓᥪᥒᥴ ᥞᥥᥖᥰᥑᥩᥲᥐᥥᥙᥰᥗᥩᥢᥴᥐᥛᥲᥚᥩᥒᥲ.",
+	"CONTROLS_IF_TOOLTIP_3": "ᥔᥒᥴᥝᥣᥲ ᥐᥣᥲᥑᥢᥴ(ᥢᥛᥳᥐᥖᥳ)ᥛᥣᥳᥢᥪᥒᥲ ᥛᥣᥢᥱᥛᥦᥢᥲᥓᥪᥒᥴ ᥞᥥᥖᥰᥙᥘᥩᥐᥳᥟᥩᥢᥴᥖᥣᥒᥰᥔᥧᥖᥰ ᥖᥤᥲᥢᥬᥰᥑᥩᥲᥐᥥᥙᥰᥗᥩᥢᥴᥖ. ᥔᥒᥴᥝᥣᥲ ᥐᥣᥲᥑᥢᥴ(ᥢᥛᥳᥐᥖᥳ)ᥛᥣᥭᥴᥔᥩᥒᥴᥛᥣᥢᥱᥛᥦᥢᥲᥓᥪᥒᥴ ᥞᥥᥖᥰᥙᥦᥖᥲ ᥙᥘᥩᥐᥳᥔᥩᥒᥴ ᥖᥤᥲᥢᥬᥰᥑᥩᥲᥐᥥᥙᥰᥗᥩᥢᥴ.",
+	"CONTROLS_IF_TOOLTIP_4": "ᥔᥒᥴᥝᥣᥲ ᥐᥣᥲᥑᥢᥴ(ᥢᥛᥳᥐᥖᥳ)ᥛᥣᥭᥴᥢᥪᥒᥲ ᥛᥣᥢᥱᥛᥦᥢᥲᥓᥪᥒᥴ ᥞᥥᥖᥰᥙᥘᥩᥐᥳᥟᥩᥢᥴᥖᥣᥒᥰᥔᥧᥖᥰ ᥖᥤᥲᥢᥬᥰᥑᥩᥲᥐᥥᥙᥰᥗᥩᥢᥴᥖ. ᥘᥫᥴᥔᥥᥴᥢᥢᥳ, ᥔᥒᥴᥝᥣᥲ ᥐᥣᥲᥑᥢᥴ (ᥢᥛᥳᥐᥖᥳ) ᥛᥣᥭᥴᥔᥩᥒᥴ ᥛᥣᥢᥱᥛᥦᥢᥲᥓᥪᥒᥴ ᥞᥥᥖᥰᥙᥦᥖᥲ ᥙᥘᥩᥐᥳᥔᥩᥒᥴ ᥖᥤᥲᥢᥬᥰᥑᥩᥲᥐᥥᥙᥰᥗᥩᥢᥴᥖ. ᥔᥒᥴᥝᥣᥲ ᥐᥣᥲᥑᥢᥴ(ᥢᥛᥳᥐᥖᥳ) ᥟᥛᥱᥛᥤᥰᥘᥩᥒᥲᥛᥣᥢᥱᥛᥦᥢᥲ ᥔᥒᥴᥓᥪᥒᥴ ᥞᥥᥖᥰᥙᥦᥖᥲᥙᥘᥩᥐᥳ ᥐᥛᥰᥘᥪᥛᥰ ᥖᥤᥲᥢᥬᥰᥑᥩᥲᥐᥥᥙᥰᥗᥩᥢᥴᥖ.",
+	"CONTROLS_IF_MSG_IF": "ᥔᥒᥴᥝᥣᥲ",
+	"CONTROLS_IF_MSG_ELSEIF": "ᥔᥒᥴᥝᥣᥲ ᥘᥫᥴᥔᥥᥴᥢᥢᥳ",
+	"CONTROLS_IF_MSG_ELSE": "ᥘᥫᥴᥔᥥᥴᥢᥢᥳ",
+	"CONTROLS_IF_ELSEIF_TOOLTIP": "ᥔᥒᥴᥝᥣᥲ ᥙᥘᥩᥐᥳᥓᥪᥒᥴ ᥔᥬᥱᥙᥢᥴᥘᥩᥒᥲᥖᥣᥒᥰᥛᥢᥰ ᥖᥛᥲ.",
+	"CONTROLS_IF_ELSE_TOOLTIP": "ᥔᥬᥱᥐᥛᥰᥘᥪᥢᥰ, ᥔᥒᥴᥝᥣᥲ ᥙᥘᥩᥐᥳᥓᥪᥒᥴ ᥟᥝᥴᥘᥩᥒᥲᥖᥣᥒᥰᥛᥢᥰᥖᥒᥰᥔᥥᥒᥲ ᥖᥛᥲ.",
+	"LOGIC_COMPARE_HELPURL": "ᥔᥬᥱᥐᥛᥰᥘᥪᥢᥰ, ᥔᥒᥴᥝᥣᥲ ᥙᥘᥩᥐᥳᥓᥪᥒᥴ ᥟᥝᥴᥘᥩᥒᥲᥖᥣᥒᥰᥛᥢᥰᥖᥒᥰᥔᥥᥒᥲ ᥖᥛᥲ. https://tdd.wikipedia.org/wiki/ᥙᥣᥭᥰᥢᥙᥳ",
+	"LOGIC_COMPARE_TOOLTIP_EQ": "ᥔᥒᥴᥝᥣᥲ ᥟᥢᥴᥚᥫᥛᥳᥔᥬᥱ ᥖᥒᥰᥔᥩᥒᥴ ᥛᥫᥢᥴᥖᥣᥒᥱᥟᥢᥴᥓᥪᥒᥴ ᥛᥦᥰᥑᥪᥢᥰ ᥞᥬᥲᥛᥣᥢᥱᥛᥦᥢᥲ.",
+	"LOGIC_COMPARE_TOOLTIP_NEQ": "ᥔᥒᥴᥝᥣᥲ ᥟᥢᥴᥚᥫᥛᥳᥔᥬᥱ ᥖᥒᥰᥔᥩᥒᥴ ᥟᥛᥱᥛᥫᥢᥴᥖᥣᥒᥱᥟᥢᥴᥓᥪᥒᥴ ᥛᥦᥰᥑᥪᥢᥰ ᥞᥬᥲᥛᥣᥢᥱᥛᥦᥢᥲ.",
+	"LOGIC_COMPARE_TOOLTIP_LT": "ᥔᥒᥴᥝᥣᥲ ᥟᥢᥴᥚᥫᥛᥳᥔᥬᥱ ᥟᥩᥢᥴᥖᥣᥒᥰ ᥛᥫᥢᥴ ᥟᥢᥴᥚᥫᥛᥳᥔᥬᥱ ᥛᥣᥭᥴᥔᥩᥒᥴᥓᥪᥒᥴ ᥛᥦᥰᥑᥪᥢᥰ ᥞᥬᥲᥛᥣᥢᥱᥛᥦᥢᥲ.",
+	"LOGIC_COMPARE_TOOLTIP_LTE": "ᥔᥒᥴᥝᥣᥲ ᥟᥢᥴᥚᥫᥛᥳᥔᥬᥱ ᥟᥩᥢᥴᥖᥣᥒᥰ ᥛᥫᥢᥴ ᥟᥛᥱᥢᥢᥴ ᥚᥥᥒᥱᥙᥥᥒᥰ ᥟᥢᥴᥚᥫᥛᥳᥔᥬᥱ ᥛᥣᥭᥴᥔᥩᥒᥴᥓᥪᥒᥴ ᥛᥦᥰᥑᥪᥢᥰ ᥞᥬᥲᥛᥣᥢᥱᥛᥦᥢᥲ.",
+	"LOGIC_COMPARE_TOOLTIP_GT": "ᥔᥒᥴᥝᥣᥲ ᥟᥢᥴᥚᥫᥛᥳᥔᥬᥱ ᥟᥩᥢᥴᥖᥣᥒᥰ ᥕᥬᥱᥘᥫᥴ ᥟᥢᥴᥚᥫᥛᥳᥔᥬᥱ ᥛᥣᥭᥴᥔᥩᥒᥴᥓᥪᥒᥴ ᥛᥦᥰᥑᥪᥢᥰ ᥞᥬᥲᥛᥣᥢᥱᥛᥦᥢᥲ.",
+	"LOGIC_COMPARE_TOOLTIP_GTE": "ᥔᥒᥴᥝᥣᥲ ᥟᥢᥴᥚᥫᥛᥳᥔᥬᥱ ᥟᥩᥢᥴᥖᥣᥒᥰ ᥕᥬᥱᥘᥫᥴ ᥟᥛᥱᥢᥢᥴ ᥚᥥᥒᥱᥙᥥᥒᥰ ᥟᥢᥴᥚᥫᥛᥳᥔᥬᥱ ᥛᥣᥭᥴᥔᥩᥒᥴᥓᥪᥒᥴ ᥛᥦᥰᥑᥪᥢᥰ ᥞᥬᥲᥛᥣᥢᥱᥛᥦᥢᥲ.",
+	"LOGIC_OPERATION_TOOLTIP_AND": "ᥔᥒᥴᥝᥣᥲ ᥟᥢᥴᥚᥫᥛᥳᥔᥬᥱ ᥖᥒᥰᥔᥩᥒᥴᥟᥢᥴ ᥛᥣᥢᥱᥛᥦᥢᥲᥓᥪᥒᥴᥓᥪᥒᥴ ᥛᥦᥰᥑᥪᥢᥰ ᥞᥬᥲᥛᥣᥢᥱᥛᥦᥢᥲ.",
+	"LOGIC_OPERATION_AND": "ᥘᥦᥰ",
+	"LOGIC_OPERATION_TOOLTIP_OR": "ᥔᥒᥴᥝᥣᥲ ᥟᥢᥴᥚᥫᥛᥳᥔᥬᥱ ᥐᥛᥰᥘᥪᥢᥰᥔᥧᥖᥰ ᥛᥣᥢᥱᥛᥦᥢᥲᥓᥪᥒᥴ ᥛᥦᥰᥑᥪᥢᥰ ᥞᥬᥲᥛᥣᥢᥱᥛᥦᥢᥲ.",
+	"LOGIC_OPERATION_OR": "ᥟᥛᥱᥢᥢᥴ",
+	"LOGIC_NEGATE_TITLE": "ᥟᥛᥱᥓᥬᥲ %1",
+	"LOGIC_NEGATE_TOOLTIP": "ᥔᥒᥴᥝᥣᥲ ᥟᥢᥴᥚᥫᥛᥳᥔᥬᥱ ᥟᥛᥱᥢᥦᥢᥲᥢᥣᥴᥓᥪᥒᥴ ᥛᥦᥰᥑᥪᥢᥰ ᥞᥬᥲᥛᥣᥢᥱᥛᥦᥢᥲ. ᥔᥒᥴᥝᥣᥲ ᥟᥢᥴᥚᥫᥛᥳᥔᥬᥱ ᥛᥣᥢᥱᥛᥦᥢᥲᥓᥪᥒᥴ ᥑᥪᥢᥰᥛᥨᥢᥳᥛᥦᥰ ᥞᥬᥲᥢᥦᥢᥲᥢᥣᥴ.",
+	"LOGIC_BOOLEAN_TRUE": "ᥛᥣᥢᥱᥛᥦᥢᥲ",
+	"LOGIC_BOOLEAN_FALSE": "ᥟᥛᥱᥢᥦᥢᥲᥢᥣᥴ",
+	"LOGIC_BOOLEAN_TOOLTIP": "ᥛᥣᥢᥱᥛᥦᥢᥲᥘᥦᥲᥔᥒᥴ ᥟᥛᥱᥢᥦᥢᥲᥢᥣᥴᥘᥦᥲᥔᥒᥴ ᥞᥨᥢᥴᥑᥪᥢᥰ.",
+	"LOGIC_NULL": "ᥟᥛᥱᥑᥝᥲᥑᥣᥒᥱ",
+	"LOGIC_NULL_TOOLTIP": "ᥘᥥᥝᥴᥑᥪᥢᥰ ᥟᥛᥱᥑᥝᥲᥑᥣᥒᥱ",
+	"LOGIC_TERNARY_CONDITION": "ᥓᥣᥛᥰ",
+	"LOGIC_TERNARY_IF_TRUE": "ᥔᥒᥴᥝᥣᥲ ᥛᥣᥢᥱᥛᥦᥢᥲ",
+	"LOGIC_TERNARY_IF_FALSE": "ᥔᥒᥴᥝᥣᥲ ᥟᥛᥱᥢᥦᥢᥲᥢᥣᥴ",
+	"LOGIC_TERNARY_TOOLTIP": "ᥓᥣᥛᥰᥐᥨᥖᥱᥖᥨᥭᥰ ᥔᥣᥭᥴᥒᥣᥭᥴ. ᥔᥒᥴᥝᥣᥲ ᥔᥣᥭᥴᥒᥣᥭᥴᥛᥣᥢᥱᥛᥦᥢᥲ, ᥘᥥᥝᥴᥑᥪᥢᥰ ᥐᥣᥲᥑᥢᥴ (ᥢᥛᥳᥐᥖᥳ) 'ᥔᥒᥴᥛᥣᥢᥱᥛᥦᥢᥲ'; ᥘᥫᥴᥢᥢᥳ ᥘᥥᥝᥴᥑᥪᥢᥰ ᥐᥣᥲᥑᥢᥴ (ᥢᥛᥳᥐᥖᥳ) 'ᥔᥒᥴᥟᥛᥱᥢᥦᥢᥲᥢᥣᥴ'.",
+	"MATH_NUMBER_HELPURL": "https://tdd.wikipedia.org/wiki/ᥛᥣᥭᥴᥢᥙᥳ",
+	"MATH_NUMBER_TOOLTIP": "ᥛᥣᥭᥴᥢᥙᥳ ᥢᥪᥒᥲᥟᥢᥴ.",
+	"MATH_ARITHMETIC_HELPURL": "https://tdd.wikipedia.org/wiki/ᥙᥣᥭᥰᥢᥙᥳ",
+	"MATH_ARITHMETIC_TOOLTIP_ADD": "ᥘᥥᥝᥴᥑᥪᥢᥰ ᥖᥣᥒᥰᥢᥛᥴ ᥢᥬᥰᥛᥣᥭᥴᥢᥙᥳ ᥔᥩᥒᥴ.",
+	"MATH_ARITHMETIC_TOOLTIP_MINUS": "ᥘᥥᥝᥴᥑᥪᥢᥰ ᥟᥢᥴᥙᥦᥐᥱᥙᥫᥒᥲ ᥢᥬᥰᥛᥣᥭᥴᥢᥙᥳ ᥔᥩᥒᥴ.",
+	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "ᥘᥥᥝᥴᥑᥪᥢᥰ ᥟᥢᥴᥟᥝᥴᥟᥩᥐᥱ ᥢᥬᥰᥛᥣᥭᥴᥢᥙᥳ ᥔᥩᥒᥴ.",
+	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "ᥘᥥᥝᥴᥑᥪᥢᥰ ᥙᥛᥣᥱᥢ ᥢᥬᥰᥛᥣᥭᥴᥢᥙᥳ ᥔᥩᥒᥴ.",
+	"MATH_ARITHMETIC_TOOLTIP_POWER": "ᥘᥥᥝᥴᥑᥪᥢᥰ ᥖᥨᥝᥴᥢᥙᥳᥛᥣᥭᥴᥢᥪᥒᥲᥢᥭᥳ ᥓᥩᥭᥲᥞᥦᥒᥰᥙᥢᥴ ᥖᥨᥝᥴᥢᥙᥳᥛᥣᥭᥴᥔᥩᥒᥴ.",
+	"MATH_SINGLE_HELPURL": "https://tdd.wikipedia.org/wiki/ᥛᥣᥭᥴᥖᥨᥙᥳᥛᥫᥢᥴ",
+	"MATH_SINGLE_OP_ROOT": "ᥛᥣᥭᥴᥖᥨᥙᥳᥛᥫᥢᥴ",
+	"MATH_SINGLE_TOOLTIP_ROOT": "ᥘᥥᥝᥴᥑᥪᥢᥰ ᥛᥣᥭᥴᥖᥨᥙᥳᥛᥫᥢᥴ ᥢᥬᥰᥛᥣᥭᥴᥢᥙᥳ.",
+	"MATH_SINGLE_OP_ABSOLUTE": "ᥙᥐᥖᥤ",
+	"MATH_SINGLE_TOOLTIP_ABS": "ᥘᥥᥝᥴᥑᥪᥢᥰ ᥐᥣᥲᥑᥢᥴ (ᥢᥛᥳᥐᥖᥳ) ᥙᥐᥖᥤ ᥢᥬᥰᥛᥣᥭᥴᥢᥙᥳ.",
+	"MATH_SINGLE_TOOLTIP_NEG": "ᥘᥥᥝᥴᥑᥪᥢᥰ ᥟᥢᥴᥔᥣᥢᥴᥑᥖᥰ ᥢᥬᥰ ᥛᥣᥭᥴᥢᥙᥳ.",
+	"MATH_SINGLE_TOOLTIP_LN": "ᥘᥥᥝᥴᥑᥪᥢᥰ ᥘᥩᥐᥰᥘᥣᥭᥰᥢᥙᥳ ᥢᥬᥰᥛᥣᥭᥴᥢᥙᥳ.",
+	"MATH_SINGLE_TOOLTIP_LOG10": "ᥘᥥᥝᥴᥑᥪᥢᥰ ᥙᥪᥢᥳᥗᥣᥢᥴ 10 ᥘᥩᥐᥰᥘᥣᥭᥰᥢᥙᥳ ᥢᥬᥰᥛᥣᥭᥴᥢᥙᥳ.",
+	"MATH_SINGLE_TOOLTIP_EXP": "ᥘᥥᥝᥴ ᥑᥪᥢᥰ e ᥐᥣᥱ ᥖᥤ ᥙᥣᥱ ᥝᥣᥱ ᥘᥬᥰ ᥛᥣᥭᥴ ᥘᥙᥳ.",
+	"MATH_SINGLE_TOOLTIP_POW10": "ᥘᥥᥝᥴ ᥑᥪᥢᥰ 10 ᥐᥣᥱ ᥖᥤ ᥙᥣᥱ ᥝᥣᥱ ᥘᥬᥰ ᥛᥣᥭᥴ ᥘᥙᥳ.",
+	"MATH_IS_EVEN": "ᥙᥥᥢᥴᥐᥨᥙᥳ",
+	"MATH_IS_ODD": "ᥙᥥᥢᥴᥐᥤᥐᥲ"
+}
diff --git a/msg/json/te.json b/msg/json/te.json
index 9ee0c18762a..60ecbd1070f 100644
--- a/msg/json/te.json
+++ b/msg/json/te.json
@@ -1,6 +1,7 @@
 {
 	"@metadata": {
 		"authors": [
+			"Chaduvari",
 			"Naidugari Jayanna",
 			"Veeven",
 			"WP MANIKHANTA"
@@ -73,14 +74,14 @@
 	"MATH_ONLIST_OPERATOR_AVERAGE": "జాబితా సగటు",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "చేరు",
 	"TEXT_LENGTH_TITLE": "%1 పొడువు",
-	"TEXT_ISEMPTY_TITLE": "% 1 ఖాళీ",
+	"TEXT_ISEMPTY_TITLE": "%1 ఖాళీ",
 	"TEXT_CHARAT_FIRST": "మొదటి వర్ణాన్ని పొందు",
 	"TEXT_CHARAT_LAST": "చివరి వర్ణాన్ని పొందు",
 	"TEXT_CHARAT_RANDOM": "యాదృశ్చిక వర్ణాన్ని పొందు",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "జాబితా",
 	"LISTS_INLIST": "జాబితాలో",
 	"LISTS_GET_INDEX_GET": "పొందు",
-	"LISTS_GET_INDEX_GET_REMOVE": "పొందు మరియు తొలగించు",
+	"LISTS_GET_INDEX_GET_REMOVE": "తెచ్చుకుని, తీసెయ్యి",
 	"LISTS_GET_INDEX_REMOVE": "తొలగించు",
 	"LISTS_GET_INDEX_FROM_END": "#చివరి నుండి",
 	"LISTS_GET_INDEX_FIRST": "మొదటి",
@@ -94,5 +95,7 @@
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "ఏదో ఒకటి చేయి",
 	"PROCEDURES_BEFORE_PARAMS": "తో:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "తో:",
-	"PROCEDURES_DEFRETURN_RETURN": "తిరిగి వెళ్ళు"
+	"PROCEDURES_DEFRETURN_RETURN": "తిరిగి వెళ్ళు",
+	"DIALOG_OK": "సరే",
+	"DIALOG_CANCEL": "రద్దు"
 }
diff --git a/msg/json/th.json b/msg/json/th.json
index 50b3dd8b585..7766f326b5c 100644
--- a/msg/json/th.json
+++ b/msg/json/th.json
@@ -61,7 +61,6 @@
 	"COLOUR_BLEND_COLOUR2": "สีที่ 2",
 	"COLOUR_BLEND_RATIO": "อัตราส่วน",
 	"COLOUR_BLEND_TOOLTIP": "ผสมสองสีเข้าด้วยกันด้วยอัตราส่วน (0.0 - 1.0)",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "ทำซ้ำ %1 ครั้ง",
 	"CONTROLS_REPEAT_INPUT_DO": "ทำ",
 	"CONTROLS_REPEAT_TOOLTIP": "ทำซ้ำบางคำสั่งหลายครั้ง",
@@ -88,19 +87,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "เพิ่ม ลบ หรือจัดเรียงบล็อก \"ถ้า\" นี้ใหม่",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "กำหนดเงื่อนไขของบล็อก \"ถ้า\"",
 	"CONTROLS_IF_ELSE_TOOLTIP": "เพิ่มสิ่งสุดท้าย ที่จะตรวจจับความเป็นไปได้ทั้งหมดของบล็อก \"ถ้า\"",
-	"IOS_OK": "ตกลง",
-	"IOS_CANCEL": "ยกเลิก",
-	"IOS_ERROR": "ข้อผิดพลาด",
-	"IOS_PROCEDURES_INPUTS": "อินพุต",
-	"IOS_PROCEDURES_ADD_INPUT": "+ เพิ่มอินพุต",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "อนุญาตคำสั่ง",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "ฟังก์ชันนี้มีอินพุตที่ซ้ำกัน",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ เพิ่มตัวแปร",
-	"IOS_VARIABLES_ADD_BUTTON": "เพิ่ม",
-	"IOS_VARIABLES_RENAME_BUTTON": "เปลี่ยนชื่อ",
-	"IOS_VARIABLES_DELETE_BUTTON": "ลบ",
-	"IOS_VARIABLES_VARIABLE_NAME": "ชื่อตัวแปร",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "คุณไม่สามารถใช้ชื่อตัวแปรที่ว่างเปล่าได้",
 	"LOGIC_COMPARE_HELPURL": "https://th.wikipedia.org/wiki/อสมการ",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "คืนค่าเป็น \"จริง\" ถ้าค่าที่ใส่ทั้งสองค่านั้นเท่ากัน",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "คืนค่าเป็น \"จริง\" ถ้าค่าที่ใส่ทั้งสองค่านั้นไม่เท่ากัน",
@@ -131,7 +117,6 @@
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "คืนค่าผลคูณของตัวเลขทั้งสองจำนวน",
 	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "คืนค่าผลหารของตัวเลขทั้งสองจำนวน",
 	"MATH_ARITHMETIC_TOOLTIP_POWER": "คืนค่าผลการยกกำลัง โดยตัวเลขแรกเป็นฐาน และตัวเลขที่สองเป็นเลขชี้กำลัง",
-	"MATH_SINGLE_HELPURL": "https://en.wikipedia.org/wiki/Square_root",
 	"MATH_SINGLE_OP_ROOT": "รากที่สอง",
 	"MATH_SINGLE_TOOLTIP_ROOT": "คืนค่ารากที่สองของตัวเลข",
 	"MATH_SINGLE_OP_ABSOLUTE": "ค่าสัมบูรณ์",
@@ -158,7 +143,6 @@
 	"MATH_IS_NEGATIVE": "เป็นเลขติดลบ",
 	"MATH_IS_DIVISIBLE_BY": "หารลงตัว",
 	"MATH_IS_TOOLTIP": "ตรวจว่าตัวเลขเป็นจำนวนคู่ จำนวนคี่ จำนวนเฉพาะ จำนวนเต็ม เลขบวก เลขติดลบ หรือหารด้วยเลขที่กำหนดลงตัวหรือไม่ คืนค่าเป็นจริงหรือเท็จ",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "เปลี่ยนค่า %1 เป็น %2",
 	"MATH_CHANGE_TOOLTIP": "เพิ่มค่าของตัวแปร \"%1\"",
 	"MATH_ROUND_HELPURL": "https://th.wikipedia.org/wiki/การปัดเศษ",
@@ -182,17 +166,15 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "คืนค่าส่วนเบี่ยงเบนมาตรฐานของรายการ",
 	"MATH_ONLIST_OPERATOR_RANDOM": "สุ่มรายการ",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "สุ่มคืนค่าสิ่งที่อยู่ในรายการ",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "เศษของ %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "คืนค่าเศษที่ได้จากการหารของตัวเลขทั้งสองจำนวน",
 	"MATH_CONSTRAIN_TITLE": "จำกัดค่า %1 ต่ำสุด %2 สูงสุด %3",
 	"MATH_CONSTRAIN_TOOLTIP": "จำกัดค่าของตัวเลขให้อยู่ในช่วงที่กำหนด",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "สุ่มเลขจำนวนเต็มตั้งแต่ %1 จนถึง %2",
 	"MATH_RANDOM_INT_TOOLTIP": "สุ่มเลขจำนวนเต็มจากช่วงที่กำหนด",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "สุ่มเลขเศษส่วน",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "สุ่มเลขเศษส่วน ตั้งแต่ 0.0 แต่ไม่เกิน 1.0",
+	"MATH_ATAN2_TITLE": "atan2 ของ X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "เปลี่ยนอาร์กแทนเจนต์ของชุด (X, Y) จากองศา 180 เป็น -180.",
 	"TEXT_TEXT_HELPURL": "https://th.wikipedia.org/wiki/สายอักขระ",
 	"TEXT_TEXT_TOOLTIP": "ตัวหนังสือ คำ หรือข้อความ",
@@ -299,10 +281,9 @@
 	"LISTS_GET_SUBLIST_START_FROM_END": "ดึงรายการย่อยจาก # จากท้ายสุด",
 	"LISTS_GET_SUBLIST_START_FIRST": "ดึงรายการย่อยทั้งแต่แรกสุด",
 	"LISTS_GET_SUBLIST_END_FROM_START": "จนถึง #",
-	"LISTS_GET_SUBLIST_END_FROM_END": "ถึง #  จากท้ายสุด",
+	"LISTS_GET_SUBLIST_END_FROM_END": "ถึง # จากท้ายสุด",
 	"LISTS_GET_SUBLIST_END_LAST": "ถึง ท้ายสุด",
 	"LISTS_GET_SUBLIST_TOOLTIP": "สร้างสำเนารายการในช่วงที่กำหนด",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "เรียงลำดับ %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "เรียงลำดับสำเนาของรายชื่อ",
 	"LISTS_SORT_ORDER_ASCENDING": "น้อยไปหามาก",
@@ -346,5 +327,7 @@
 	"PROCEDURES_IFRETURN_WARNING": "ระวัง: บล็อกนี้ใช้เฉพาะในการสร้างฟังก์ชันเท่านั้น",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "เขียนอะไรสักอย่าง",
 	"WORKSPACE_ARIA_LABEL": "พื้นที่ทำงาน Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "บล็อกที่ถูกพับมีคำเตือนอยู่ข้างใน."
+	"COLLAPSED_WARNINGS_WARNING": "บล็อกที่ถูกพับมีคำเตือนอยู่ข้างใน.",
+	"DIALOG_OK": "ตกลง",
+	"DIALOG_CANCEL": "ยกเลิก"
 }
diff --git a/msg/json/ti.json b/msg/json/ti.json
new file mode 100644
index 00000000000..79b173230b1
--- /dev/null
+++ b/msg/json/ti.json
@@ -0,0 +1,50 @@
+{
+	"@metadata": {
+		"authors": [
+			"Joanmp17",
+			"Taj11"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "ዓይነት",
+	"TODAY": "ሎሚ",
+	"DUPLICATE_BLOCK": "ደጋግም",
+	"ADD_COMMENT": "ርኢቶ ሃብ",
+	"REMOVE_COMMENT": "ርኢቶ ኣወግድ",
+	"DUPLICATE_COMMENT": "ርኢቶ ድገም",
+	"EXTERNAL_INPUTS": "ናይ ደገ እታወታት",
+	"INLINE_INPUTS": "መስመራዊ እታወታት",
+	"DELETE_BLOCK": "ሳንዱቅ ኣወግድ",
+	"CLEAN_UP": "ሳንዱቅ ፅረግ",
+	"COLLAPSE_BLOCK": "ሳንዱቅ ኣንእስ",
+	"COLLAPSE_ALL": "ሳንዱቃት ኣንእስ",
+	"EXPAND_BLOCK": "ሳንዱቅ ዘርግሕ",
+	"EXPAND_ALL": "ሳንዱቃት ዘርግሕ",
+	"DISABLE_BLOCK": "ሳንዱቅ ኣልምስ",
+	"ENABLE_BLOCK": "ሳንዱቅ ኣክእል",
+	"HELP": "ሓገዝ",
+	"UNDO": "ምለስ",
+	"REDO": "እንደገና ፈጽም",
+	"CHANGE_VALUE_TITLE": "ዋጋ ቀይር",
+	"RENAME_VARIABLE": "ስም ተተካኢ ቀይር",
+	"NEW_VARIABLE": "ተተካኢ ፍጠር",
+	"NEW_STRING_VARIABLE": "ስትሪንግ ተተካኢ ፍጠር",
+	"NEW_NUMBER_VARIABLE": "ቁፅሪ ተተካኢ ፍጠር",
+	"NEW_COLOUR_VARIABLE": "ሕብሪ ተተካኢ ፍጠር",
+	"NEW_VARIABLE_TYPE_TITLE": "ሓዱሽ ዓይነት ተተካኢ",
+	"NEW_VARIABLE_TITLE": "ስም ሓዱሽ ተተካኢ",
+	"COLOUR_RANDOM_TITLE": "ግምታዊ ሕብሪ",
+	"COLOUR_RANDOM_TOOLTIP": "ብግምት ሕብሪ ምረፅ",
+	"COLOUR_RGB_TITLE": "በዚ ቀልም",
+	"COLOUR_RGB_RED": "ቀይሕ",
+	"COLOUR_RGB_GREEN": "ሓምለዋይ",
+	"COLOUR_RGB_BLUE": "ሰማያዊ",
+	"COLOUR_RGB_TOOLTIP": "በቶም ዝተገለፁ መጠናት ቀይሕ፣ ሓምለዋይን ሰማያውን ሕብሪ ፍጠር። ኩሎም ዋጋታት ኣብ መንጎ 0ን 100ን ክኾኑ ኣለዎም።",
+	"COLOUR_BLEND_TITLE": "ዕፀፍ",
+	"COLOUR_BLEND_COLOUR1": "ሕብሪ 1",
+	"COLOUR_BLEND_COLOUR2": "ሕብሪ 2",
+	"COLOUR_BLEND_RATIO": "መጠን",
+	"CONTROLS_REPEAT_INPUT_DO": "ስራሕ",
+	"LISTS_GET_INDEX_RANDOM": "ሃውራዊ",
+	"DIALOG_OK": "ሕራይ",
+	"DIALOG_CANCEL": "ኣትርፍ"
+}
diff --git a/msg/json/tl.json b/msg/json/tl.json
index fc643d3234e..fad9ab9f91c 100644
--- a/msg/json/tl.json
+++ b/msg/json/tl.json
@@ -56,7 +56,6 @@
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Mag dagdag ng condition sa if block.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Mag Add ng final, kunin lahat ng condition sa if block.",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Nag babalik ng true kung ang pinasok ay parehong magkatumbas.",
-	"LOGIC_COMPARE_TOOLTIP_NEQ": "Return true if both inputs are not equal to each other.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Nag babalik ng true kung ang unang pinasok ay maliit kaysa sa pangalawang pinasok.",
 	"LOGIC_COMPARE_TOOLTIP_LTE": "Nag babalik ng true kung ang unang pinasok ay maliit sa o katumbas sa pangalawang pinasok.",
 	"LOGIC_COMPARE_TOOLTIP_GT": "Nagbabalik ng true kung ang unang pinasok ay mas malaki kaysa pangalawang pinasok.",
diff --git a/msg/json/tlh.json b/msg/json/tlh.json
index 4306c459935..3b3b6808bea 100644
--- a/msg/json/tlh.json
+++ b/msg/json/tlh.json
@@ -104,7 +104,6 @@
 	"TEXT_INDEXOF_TITLE": "ghItlhDaq %1 %2 %3",
 	"TEXT_INDEXOF_OPERATOR_FIRST": "ghItlh wa'DIch Sam",
 	"TEXT_INDEXOF_OPERATOR_LAST": "ghItlh Qav Sam",
-	"TEXT_CHARAT_INPUT_INTEXT": "ghItlhDaq",
 	"TEXT_CHARAT_FROM_START": "mu'Hom #",
 	"TEXT_CHARAT_FROM_END": "mu'Hom # Qav",
 	"TEXT_CHARAT_FIRST": "mu'Hom wa'DIch",
diff --git a/msg/json/tr.json b/msg/json/tr.json
index b00feac1c2f..b65a5ce31f7 100644
--- a/msg/json/tr.json
+++ b/msg/json/tr.json
@@ -16,6 +16,9 @@
 			"Mavrikant",
 			"McAang",
 			"Meelo",
+			"MuratTheTurkish",
+			"RuzDD",
+			"Stonecy",
 			"Uncitoyen",
 			"Uğurkent",
 			"Watermelon juice",
@@ -26,7 +29,7 @@
 	"VARIABLES_DEFAULT_NAME": "öge",
 	"UNNAMED_KEY": "isimsiz",
 	"TODAY": "Bugün",
-	"DUPLICATE_BLOCK": "Yinelenen",
+	"DUPLICATE_BLOCK": "Yinele",
 	"ADD_COMMENT": "Yorum Ekle",
 	"REMOVE_COMMENT": "Yorumu Sil",
 	"DUPLICATE_COMMENT": "Yinelenen Yorum",
@@ -49,13 +52,14 @@
 	"RENAME_VARIABLE": "Değişkeni yeniden adlandır...",
 	"RENAME_VARIABLE_TITLE": "Tüm '%1' değişkenini yeniden adlandır:",
 	"NEW_VARIABLE": "Değişken oluştur...",
-	"NEW_STRING_VARIABLE": "Dizi değişkeni oluştur...",
+	"NEW_STRING_VARIABLE": "Karakter dizisi değişkeni oluştur...",
 	"NEW_NUMBER_VARIABLE": "Sayı değişkeni oluştur...",
 	"NEW_COLOUR_VARIABLE": "Renk değişkeni oluştur...",
 	"NEW_VARIABLE_TYPE_TITLE": "Yeni değişken tipi:",
 	"NEW_VARIABLE_TITLE": "Yeni değişken ismi:",
 	"VARIABLE_ALREADY_EXISTS": "'%1' isimli değişken adı zaten var.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "'%1' isimli değişken '%2' tipli başka bir değişkende tanımlı.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "'%1' adlı bir değişken, '%2' prosedüründe bir parametre olarak zaten mevcut.",
 	"DELETE_VARIABLE_CONFIRMATION": "'%2' değişkeninin %1 kullanımını silmek istiyor musunuz?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "'%1' değişkeni, '%2' fonksiyonunun tanımının bir parçası olduğu için silinemez",
 	"DELETE_VARIABLE": "'%1' değişkenini silmek istiyor musunuz?",
@@ -63,13 +67,11 @@
 	"COLOUR_PICKER_TOOLTIP": "Paletten bir renk seç.",
 	"COLOUR_RANDOM_TITLE": "rastgele renk",
 	"COLOUR_RANDOM_TOOLTIP": "Rastgele bir renk seç.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "renk değerleri",
 	"COLOUR_RGB_RED": "kırmızı",
 	"COLOUR_RGB_GREEN": "yeşil",
 	"COLOUR_RGB_BLUE": "mavi",
 	"COLOUR_RGB_TOOLTIP": "Kırmızı, yeşil ve mavinin belirli miktarıyla bir renk oluştur.  Tüm değerler 0 ile 100 arasında olmalıdır.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "karıştır",
 	"COLOUR_BLEND_COLOUR1": "1. renk",
 	"COLOUR_BLEND_COLOUR2": "2. renk",
@@ -86,7 +88,7 @@
 	"CONTROLS_FOR_TOOLTIP": "Başlangıç sayısından bitiş sayısına kadar belirtilen aralık ve belirtilen engeller ile devam eden değerler alan '%1' değişkeni oluştur.",
 	"CONTROLS_FOR_TITLE": "ile sayılır %1 %2 den %3 ye, her adımda %4 değişim",
 	"CONTROLS_FOREACH_TITLE": "her öğe için %1 listede %2",
-	"CONTROLS_FOREACH_TOOLTIP": "Bir listedeki her öğe için  '%1' değişkenini maddeye atayın  ve bundan sonra bazı açıklamalar yapın.",
+	"CONTROLS_FOREACH_TOOLTIP": "Bir listedeki her öğe için '%1' değişkenini maddeye atayın ve bundan sonra bazı açıklamalar yapın.",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "döngüden çık",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "döngünün sonraki adımından devam et",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "İçeren döngüden çık.",
@@ -102,19 +104,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "If bloğuna ekle, kaldır veya yeniden düzenleme yap.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "If bloğuna bir koşul ekleyin.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "If bloğuna kalan durumları \"yakalayan\" bir son ekle.",
-	"IOS_OK": "Tamam",
-	"IOS_CANCEL": "İptal",
-	"IOS_ERROR": "Hata",
-	"IOS_PROCEDURES_INPUTS": "GİRİŞLER",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Giriş Ekle",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Açıklamalara izin ver",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Bu fonksiyonda mükerrer girdi tanımlı.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Değişken Ekle",
-	"IOS_VARIABLES_ADD_BUTTON": "Ekle",
-	"IOS_VARIABLES_RENAME_BUTTON": "Yeniden adlandır",
-	"IOS_VARIABLES_DELETE_BUTTON": "Sil",
-	"IOS_VARIABLES_VARIABLE_NAME": "Değişken adı",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Değişken adı kısmı boş bırakılamaz.",
 	"LOGIC_COMPARE_HELPURL": "https://tr.wikipedia.org/wiki/Eşitsizlikler",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Her iki giriş de birbirine eşitse true değerini döndürün.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Her iki giriş de birbirine eşit değilse true değerini döndürün.",
@@ -141,9 +130,6 @@
 	"LOGIC_TERNARY_TOOLTIP": "'test' durumunu kontrol edin. Koşul true olursa, 'if true' değerini döndürür; aksi takdirde 'if false' değerini döndürür.",
 	"MATH_NUMBER_HELPURL": "https://tr.wikipedia.org/wiki/Sayı",
 	"MATH_NUMBER_TOOLTIP": "Sayı.",
-	"MATH_ADDITION_SYMBOL": "+",
-	"MATH_SUBTRACTION_SYMBOL": "tire",
-	"MATH_DIVISION_SYMBOL": "÷",
 	"MATH_MULTIPLICATION_SYMBOL": "x",
 	"MATH_POWER_SYMBOL": "üst alma",
 	"MATH_TRIG_SIN": "Sinüs",
@@ -193,7 +179,6 @@
 	"MATH_ROUND_OPERATOR_ROUND": "yuvarla",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "yukarı yuvarla",
 	"MATH_ROUND_OPERATOR_ROUNDDOWN": "aşağı yuvarla",
-	"MATH_ONLIST_HELPURL": "",
 	"MATH_ONLIST_OPERATOR_SUM": "listenin toplamı",
 	"MATH_ONLIST_TOOLTIP_SUM": "Listedeki tüm sayıların toplamını döndürün.",
 	"MATH_ONLIST_OPERATOR_MIN": "listenin en küçüğü",
@@ -247,7 +232,6 @@
 	"TEXT_CHARAT_FIRST": "ilk harfini al",
 	"TEXT_CHARAT_LAST": "son harfi al",
 	"TEXT_CHARAT_RANDOM": "rastgele harf al",
-	"TEXT_CHARAT_TAIL": "",
 	"TEXT_CHARAT_TOOLTIP": "Belirtilen konumdaki harfi döndürür.",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "Metnin belirli bir bölümünü döndürür.",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "metinde",
@@ -257,7 +241,6 @@
 	"TEXT_GET_SUBSTRING_END_FROM_START": "# harfe",
 	"TEXT_GET_SUBSTRING_END_FROM_END": "en başından # harfi",
 	"TEXT_GET_SUBSTRING_END_LAST": "son harfe",
-	"TEXT_GET_SUBSTRING_TAIL": "",
 	"TEXT_CHANGECASE_TOOLTIP": "Metnin bir kopyasını farklı bir durumda döndürün.",
 	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "ÜST DURUMA",
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "küçük harfe",
@@ -273,13 +256,11 @@
 	"TEXT_PROMPT_TOOLTIP_NUMBER": "Bir numara için kullanıcı sor.",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "Bazı metinler için kullanıcı sor.",
 	"TEXT_COUNT_MESSAGE0": "%1 içinde %2 say.",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "Bazı metnin başka bir metnin içinde kaç kez oluştuğunu sayın.",
 	"TEXT_REPLACE_MESSAGE0": "%1 yerine %3 içindeki %2 ile değiştir",
 	"TEXT_REPLACE_TOOLTIP": "Bazı metnin tüm tekrarlarını başka bir metnin içinde değiştirin.",
 	"TEXT_REVERSE_MESSAGE0": "%1 ters çevirin",
 	"TEXT_REVERSE_TOOLTIP": "Metindeki karakterlerin sırasını tersine çevirir.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "boş liste oluştur",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Veri kaydı içermeyen 0 uzunluğunda bir liste döndürür",
 	"LISTS_CREATE_WITH_TOOLTIP": "İstediğiniz sayıda öğe içeren bir liste oluşturun.",
@@ -305,7 +286,6 @@
 	"LISTS_GET_INDEX_FIRST": "ilk",
 	"LISTS_GET_INDEX_LAST": "son",
 	"LISTS_GET_INDEX_RANDOM": "rastgele",
-	"LISTS_GET_INDEX_TAIL": "",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 ilk öğedir.",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 son öğedir.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "Listede belirtilen konumda bulunan öğeyi döndürür.",
@@ -337,9 +317,7 @@
 	"LISTS_GET_SUBLIST_END_FROM_START": "#",
 	"LISTS_GET_SUBLIST_END_FROM_END": "sonuna kadar #",
 	"LISTS_GET_SUBLIST_END_LAST": "sona",
-	"LISTS_GET_SUBLIST_TAIL": "",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Listenin belirtilen bölümünün bir kopyasını oluşturur.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "sıra %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Listenin bir kopyasını sıralayın.",
 	"LISTS_SORT_ORDER_ASCENDING": "artan",
@@ -354,21 +332,19 @@
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Metin listesini bir sınırlayıcı ile ayrılmış tek bir metinde birleştirin.",
 	"LISTS_REVERSE_MESSAGE0": "%1 ters çevirin",
 	"LISTS_REVERSE_TOOLTIP": "Listenin bir kopyasını ters çevirin.",
-	"ORDINAL_NUMBER_SUFFIX": "",
 	"VARIABLES_GET_TOOLTIP": "Bu değişkenin değerini döndürür.",
 	"VARIABLES_GET_CREATE_SET": "'set %1' oluştur",
 	"VARIABLES_SET": "%1 %2 ayarla",
 	"VARIABLES_SET_TOOLTIP": "Bu değişkeni girişe eşit olacak şekilde ayarlar.",
 	"VARIABLES_SET_CREATE_GET": "'get %1' oluştur",
-	"PROCEDURES_DEFNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
-	"PROCEDURES_DEFNORETURN_TITLE": "e",
+	"PROCEDURES_DEFNORETURN_HELPURL": "https://tr.wikipedia.org/wiki/Altyordam",
+	"PROCEDURES_DEFNORETURN_TITLE": "-",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "bir şey yap",
 	"PROCEDURES_BEFORE_PARAMS": "ile:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "ile:",
-	"PROCEDURES_DEFNORETURN_DO": "",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Çıkışı olmayan bir işlev oluşturur.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Bu işlevi açıklayın...",
-	"PROCEDURES_DEFRETURN_HELPURL": "https://en.wikipedia.org/wiki/Procedure_%28computer_science%29",
+	"PROCEDURES_DEFRETURN_HELPURL": "https://tr.wikipedia.org/wiki/Altyordam",
 	"PROCEDURES_DEFRETURN_RETURN": "dönüş",
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Çıkışa sahip bir işlev oluşturur.",
 	"PROCEDURES_ALLOW_STATEMENTS": "ifadelere izin ver",
@@ -384,9 +360,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Vurgulama işlevi tanımı",
 	"PROCEDURES_CREATE_DO": "'%1' oluştur",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Bir değer true ise, ikinci bir değer döndürün.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Uyarı: Bu blok yalnızca bir işlev tanımı içinde kullanılabilir.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Bir şeyler söyle...",
 	"WORKSPACE_ARIA_LABEL": "Blockly Çalışma Alanı",
-	"COLLAPSED_WARNINGS_WARNING": "Daraltılmış bloklar uyarı içerir."
+	"COLLAPSED_WARNINGS_WARNING": "Daraltılmış bloklar uyarı içerir.",
+	"DIALOG_OK": "Tamam",
+	"DIALOG_CANCEL": "İptal"
 }
diff --git a/msg/json/ug-arab.json b/msg/json/ug-arab.json
index 9c9aebda04f..37dd257a3f7 100644
--- a/msg/json/ug-arab.json
+++ b/msg/json/ug-arab.json
@@ -36,7 +36,7 @@
 	"DELETE_VARIABLE_CONFIRMATION": "ئۆچۈرۈش “%2” ئۆزگەرگۈچى مىقدار%1 ئىشلىتىلىش ئورنى بارمۇ؟",
 	"DELETE_VARIABLE": "“%1” ئۆزگەرگۈچى مىقدارنى ئۆچۈرۈش",
 	"COLOUR_PICKER_HELPURL": "https://zh.wikipedia.org/wiki/رەڭگى",
-	"COLOUR_PICKER_TOOLTIP": " تاختىدىن رەڭنى تاللاڭ",
+	"COLOUR_PICKER_TOOLTIP": "تاختىدىن رەڭنى تاللاڭ",
 	"COLOUR_RANDOM_TITLE": "خالىغان رەڭ",
 	"COLOUR_RANDOM_TOOLTIP": "ئىختىيارىي بىر رەڭنى تاللاڭ",
 	"COLOUR_RGB_TITLE": "رەڭگى",
@@ -53,7 +53,7 @@
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "تەكرار بولۇش",
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "تەكرارلىقى",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "ئۈزۈلۈپ ئايلىنىش",
-	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": " كىيىنكى قېتىم داۋاملىق ئايلىنىشن",
+	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "كىيىنكى قېتىم داۋاملىق ئايلىنىشن",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "ئۇنىڭ دەۋرىي ئۈزۈلۈش ئۆز ئىچىگە ئالىدۇ .",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "بۇ ئايلىنىشنىڭ قالغان قىسمى ئاتلاپ ئۆتۈپ كېتىدۇ ، ھەمدە داۋاملىق كېلەر قېتىملىق ئىتېراتسىيە .",
 	"CONTROLS_FLOW_STATEMENTS_WARNING": "ئاگاھلاندۇرۇش : بۇ پەقەت بىر ئايلىنىش دەۋرى ئىچىدە ئىشلىتىشكە بولىدۇ .",
@@ -67,19 +67,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "كۆپۈيۈپ كىتىدۇ، ئۆچۈرۈش ياكى قايتا تىزىلغان بايرام « if （ سۆزىنىڭ پارچە قايتىدىن تەقسىملەش .",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "بۇ بىلمەيمىز جۈملە بۆلىكى قوشۇلۇپ بىر if شەرتى .",
 	"CONTROLS_IF_ELSE_TOOLTIP": "ئەڭ ئاخىرقى قوشۇش ، ھەممە ئەھۋالنى ئۆز ئىچىگە ئالىدۇ بايرىمىدا بىلمەيمىز ifپارچىلىرى .",
-	"IOS_OK": "ماقۇل",
-	"IOS_CANCEL": "ۋاز كەچ",
-	"IOS_ERROR": "خاتالىق",
-	"IOS_PROCEDURES_INPUTS": "كىرگۈزۈش",
-	"IOS_PROCEDURES_ADD_INPUT": "+ كىرگۈزۈپ قوشۇش",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "كېلىشىمگە قوشۇلۇش",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "بۇنىڭدا مەزمۇننى قايتا كىرگۈزۈش ئىقتىدارى بار .",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ ئۆزگەرگۈچى مىقدار قوشۇش",
-	"IOS_VARIABLES_ADD_BUTTON": "قوشۇش",
-	"IOS_VARIABLES_RENAME_BUTTON": "ئىسىم ئۆزگەرتىش",
-	"IOS_VARIABLES_DELETE_BUTTON": "ئۆچۈرۈش",
-	"IOS_VARIABLES_VARIABLE_NAME": "ئۆزگەرگۈچى مىقدارنىڭ نامى",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "سىز ئۆزگەرگۈچى مىقدار نامى ئىشلىتىشكە بولمايدۇ .",
 	"LOGIC_COMPARE_HELPURL": "https://zh.wikipedia.org/wiki/ تەڭ ئەمەس",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "ئەگەر ئىككى دانە كىرگۈزۈش نەتىجىسى تەڭ بولسا ، راستىنلا كەينىگە قايتسا.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "ئەگەر ئىككى دانە كىرگۈزۈش نەتىجىسى تەڭ بولمايدۇ ، بەك كەلدى .",
@@ -94,7 +81,7 @@
 	"LOGIC_BOOLEAN_FALSE": "يالغان",
 	"LOGIC_BOOLEAN_TOOLTIP": "راست ياكى يالغان قايتىش",
 	"LOGIC_NULL": "قۇرۇق",
-	"LOGIC_NULL_TOOLTIP": " نۆلگە قايتىش",
+	"LOGIC_NULL_TOOLTIP": "نۆلگە قايتىش",
 	"LOGIC_TERNARY_CONDITION": "سىناق",
 	"LOGIC_TERNARY_IF_TRUE": "ئەگەر راست بولسا",
 	"LOGIC_TERNARY_IF_FALSE": "ئەگەر يالغان بولسا",
@@ -102,32 +89,32 @@
 	"MATH_NUMBER_TOOLTIP": "بىر سان.",
 	"MATH_ARITHMETIC_HELPURL": "https://zh.wikipedia.org/wiki/ئارىفمېتىكىلىق",
 	"MATH_SINGLE_HELPURL": "https://zh.wikipedia.org/wiki/كۋادرات يىلتىز",
-	"MATH_SINGLE_OP_ROOT": " كۋادرات يىلتىز",
+	"MATH_SINGLE_OP_ROOT": "كۋادرات يىلتىز",
 	"MATH_SINGLE_OP_ABSOLUTE": "مۇتلەق",
 	"MATH_TRIG_HELPURL": "https://zh.wikipedia.org/wiki/ترىگونومېتىرىيىلىك فۇنكسىيە",
 	"MATH_CONSTANT_HELPURL": "https://zh.wikipedia.org/wiki/ماتېماتىكا تۇراقلىق سانى",
 	"MATH_IS_EVEN": "جۈپ سان",
-	"MATH_IS_ODD": " تاق سان",
+	"MATH_IS_ODD": "تاق سان",
 	"MATH_IS_PRIME": "تۈپ سان",
 	"MATH_IS_WHOLE": "پۈتۈن سان",
 	"MATH_IS_POSITIVE": "مۇسبەت",
-	"MATH_IS_NEGATIVE": " مەنپى",
+	"MATH_IS_NEGATIVE": "مەنپى",
 	"MATH_IS_DIVISIBLE_BY": "پۈتۈن بۆلۈنۈش",
 	"MATH_CHANGE_HELPURL": "https://zh.wikipedia.org/wiقوشۇش",
-	"MATH_CHANGE_TITLE": " ئۆزگەرتىش %1 دىن %2",
+	"MATH_CHANGE_TITLE": "ئۆزگەرتىش %1 دىن %2",
 	"MATH_ROUND_HELPURL": "https://zh.wikipedia.org/wiki/سانلىق قىممەت تۈزىتىش",
 	"MATH_ROUND_OPERATOR_ROUND": "تۆۋەنگە تارتىڭ",
-	"MATH_ROUND_OPERATOR_ROUNDUP": " تۆۋەنگە تارتىڭ",
+	"MATH_ROUND_OPERATOR_ROUNDUP": "تۆۋەنگە تارتىڭ",
 	"MATH_ROUND_OPERATOR_ROUNDDOWN": "تۆۋەنگە تارتىڭ",
 	"MATH_ONLIST_OPERATOR_MIN": "جەدۋەل ئىچىدىكى ئەڭ كىچىك قىممەت",
-	"MATH_ONLIST_TOOLTIP_MIN": " جەدۋەلدىكى ئەڭ كىچىك سانغا قايتىش",
-	"MATH_ONLIST_OPERATOR_MAX": " جەدۋەلدىكى ئەڭ چوڭ قىممەت",
+	"MATH_ONLIST_TOOLTIP_MIN": "جەدۋەلدىكى ئەڭ كىچىك سانغا قايتىش",
+	"MATH_ONLIST_OPERATOR_MAX": "جەدۋەلدىكى ئەڭ چوڭ قىممەت",
 	"MATH_ONLIST_OPERATOR_AVERAGE": "جەدۋەل ئىچىدىكى ئوتتۇرىچە سان",
 	"MATH_ONLIST_OPERATOR_MEDIAN": "جەدۋەلدىكى ئوتتۇرا سان",
-	"MATH_ONLIST_TOOLTIP_MEDIAN": " جەدۋەلدىكى ئوتتۇرا سانغا قايتىش",
-	"MATH_ONLIST_OPERATOR_MODE": " جەدۋەل ھالىتى",
+	"MATH_ONLIST_TOOLTIP_MEDIAN": "جەدۋەلدىكى ئوتتۇرا سانغا قايتىش",
+	"MATH_ONLIST_OPERATOR_MODE": "جەدۋەل ھالىتى",
 	"MATH_MODULO_HELPURL": "https://zh.wikipedia.org/wiki/مودېل ھېسابى",
-	"TEXT_CREATE_JOIN_TITLE_JOIN": "   قوشۇش",
+	"TEXT_CREATE_JOIN_TITLE_JOIN": "قوشۇش",
 	"LISTS_GET_INDEX_GET": "قولغا كەلتۈرۈش",
 	"LISTS_GET_INDEX_REMOVE": "چىقىرىۋىتىش",
 	"LISTS_GET_INDEX_FIRST": "تۇنجى",
@@ -138,6 +125,8 @@
 	"LISTS_SORT_ORDER_ASCENDING": "يۇقىرىغا",
 	"LISTS_SORT_ORDER_DESCENDING": "تۆۋەنگە",
 	"LISTS_SORT_TYPE_NUMERIC": "سان بويىچە تىزىل",
-	"LISTS_SORT_TYPE_TEXT": " ھەرپ بويىچە تىزىل",
-	"LISTS_SORT_TYPE_IGNORECASE": "ھەرب بويىچە تىزىل، چوڭ كىچىك يېزىلىش ھېساپ قىلىنمايدۇ"
+	"LISTS_SORT_TYPE_TEXT": "ھەرپ بويىچە تىزىل",
+	"LISTS_SORT_TYPE_IGNORECASE": "ھەرب بويىچە تىزىل، چوڭ كىچىك يېزىلىش ھېساپ قىلىنمايدۇ",
+	"DIALOG_OK": "ماقۇل",
+	"DIALOG_CANCEL": "ۋاز كەچ"
 }
diff --git a/msg/json/uk.json b/msg/json/uk.json
index 9e81b2c27e0..6d9b4b45460 100644
--- a/msg/json/uk.json
+++ b/msg/json/uk.json
@@ -10,6 +10,7 @@
 			"Piramidion",
 			"SimondR",
 			"Visem",
+			"Ата",
 			"아라"
 		]
 	},
@@ -53,13 +54,11 @@
 	"COLOUR_PICKER_TOOLTIP": "Вибрати колір з палітри.",
 	"COLOUR_RANDOM_TITLE": "випадковий колір",
 	"COLOUR_RANDOM_TOOLTIP": "Вибрати колір навмання.",
-	"COLOUR_RGB_HELPURL": "http://www.december.com/html/spec/colorper.html",
 	"COLOUR_RGB_TITLE": "колір з",
 	"COLOUR_RGB_RED": "червоний",
 	"COLOUR_RGB_GREEN": "зелений",
 	"COLOUR_RGB_BLUE": "синій",
 	"COLOUR_RGB_TOOLTIP": "Створити колір зі вказаними рівнями червоного, зеленого та синього. Усі значення мають бути від 0 до 100.",
-	"COLOUR_BLEND_HELPURL": "http://meyerweb.com/eric/tools/color-blend/",
 	"COLOUR_BLEND_TITLE": "змішати",
 	"COLOUR_BLEND_COLOUR1": "колір 1",
 	"COLOUR_BLEND_COLOUR2": "колір 2",
@@ -92,19 +91,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Додайте, вилучіть або змініть порядок секцій, щоб переналаштувати цей блок 'якщо'.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Додайте умову до блока 'якщо'.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Додати остаточну, всеосяжну умову до блоку 'якщо'.",
-	"IOS_OK": "Готово",
-	"IOS_CANCEL": "Скасувати",
-	"IOS_ERROR": "Помилка",
-	"IOS_PROCEDURES_INPUTS": "ВХОДИ",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Додати вхідну змінну",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Дозволити оператори",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "У цієї функції є вхідні змінні, що дублюються.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Додати змінну",
-	"IOS_VARIABLES_ADD_BUTTON": "Додати",
-	"IOS_VARIABLES_RENAME_BUTTON": "Перейменувати",
-	"IOS_VARIABLES_DELETE_BUTTON": "Видалити",
-	"IOS_VARIABLES_VARIABLE_NAME": "Назва змінної",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Ви не можете використовувати порожню назву змінної.",
 	"LOGIC_COMPARE_HELPURL": "https://uk.wikipedia.org/wiki/Нерівність",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Повертає істину, якщо обидва входи рівні один одному.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Повертає істину, якщо обидва входи не дорівнюють один одному.",
@@ -121,14 +107,12 @@
 	"LOGIC_BOOLEAN_TRUE": "істина",
 	"LOGIC_BOOLEAN_FALSE": "хибність",
 	"LOGIC_BOOLEAN_TOOLTIP": "Повертає значення істина або хибність.",
-	"LOGIC_NULL_HELPURL": "https://en.wikipedia.org/wiki/Nullable_type",
 	"LOGIC_NULL": "ніщо",
 	"LOGIC_NULL_TOOLTIP": "Повертає ніщо.",
-	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "тест",
 	"LOGIC_TERNARY_IF_TRUE": "якщо істина",
 	"LOGIC_TERNARY_IF_FALSE": "якщо хибність",
-	"LOGIC_TERNARY_TOOLTIP": "Перевіряє умову в 'тест'. Якщо умова істинна, то повертає  значення 'якщо істина'; в іншому випадку повертає значення 'якщо хибність'.",
+	"LOGIC_TERNARY_TOOLTIP": "Перевіряє умову в 'тест'. Якщо умова істинна, то повертає значення 'якщо істина'; в іншому випадку повертає значення 'якщо хибність'.",
 	"MATH_NUMBER_HELPURL": "https://uk.wikipedia.org/wiki/Число",
 	"MATH_NUMBER_TOOLTIP": "Число.",
 	"MATH_ARITHMETIC_HELPURL": "https://uk.wikipedia.org/wiki/Арифметика",
@@ -164,7 +148,6 @@
 	"MATH_IS_NEGATIVE": "від'ємне",
 	"MATH_IS_DIVISIBLE_BY": "ділиться на",
 	"MATH_IS_TOOLTIP": "Перевіряє, чи число парне, непарне, просте, ціле, додатне, від'ємне або чи воно ділиться на певне число без остачі. Повертає істину або хибність.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "змінити %1 на %2",
 	"MATH_CHANGE_TOOLTIP": "Додати число до змінної '%1'.",
 	"MATH_ROUND_HELPURL": "https://uk.wikipedia.org/wiki/Округлення",
@@ -172,7 +155,7 @@
 	"MATH_ROUND_OPERATOR_ROUND": "округлити",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "округлити до більшого",
 	"MATH_ROUND_OPERATOR_ROUNDDOWN": "округлити до меншого",
-	"MATH_ONLIST_HELPURL": "http://www.mapleprimes.com/questions/100441-Applying-Function-To-List-Of-Numbers",
+	"MATH_ONLIST_HELPURL": "https://www.mapleprimes.com/questions/100441-Applying-Function-To-List-Of-Numbers",
 	"MATH_ONLIST_OPERATOR_SUM": "сума списку",
 	"MATH_ONLIST_TOOLTIP_SUM": "Повертає суму всіх чисел у списку.",
 	"MATH_ONLIST_OPERATOR_MIN": "мінімум списку",
@@ -200,12 +183,10 @@
 	"MATH_RANDOM_FLOAT_HELPURL": "https://uk.wikipedia.org/wiki/Генерація_випадкових_чисел",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "випадковий дріб",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Повертає випадковий дріб від 0,0 (включно) та 1.0 (не включно).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 по X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Повертає арктангенс точки (X, Y) у градусах від -180 до 180.",
 	"TEXT_TEXT_HELPURL": "https://uk.wikipedia.org/wiki/Рядок_(програмування)",
 	"TEXT_TEXT_TOOLTIP": "Символ, слово або рядок тексту.",
-	"TEXT_JOIN_HELPURL": "http://www.chemie.fu-berlin.de/chemnet/use/info/make/make_8.html",
 	"TEXT_JOIN_TITLE_CREATEWITH": "створити текст з",
 	"TEXT_JOIN_TOOLTIP": "Створити фрагмент тексту шляхом з'єднування будь-якого числа елементів.",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "приєднати",
@@ -221,14 +202,12 @@
 	"TEXT_INDEXOF_TITLE": "у тексті %1 %2 %3.",
 	"TEXT_INDEXOF_OPERATOR_FIRST": "знайти перше входження тексту",
 	"TEXT_INDEXOF_OPERATOR_LAST": "знайти останнє входження тексту",
-	"TEXT_CHARAT_HELPURL": "http://publib.boulder.ibm.com/infocenter/lnxpcomp/v8v101/index.jsp?topic=%2Fcom.ibm.xlcpp8l.doc%2Flanguage%2Fref%2Farsubex.htm",
 	"TEXT_CHARAT_TITLE": "з тексту %1 %2",
 	"TEXT_CHARAT_FROM_START": "отримати символ #",
 	"TEXT_CHARAT_FROM_END": "отримати символ # з кінця",
 	"TEXT_CHARAT_FIRST": "отримати перший символ",
 	"TEXT_CHARAT_LAST": "отримати останній символ",
 	"TEXT_CHARAT_RANDOM": "отримати випадковий символ",
-	"TEXT_CHARAT_TAIL": "-ий.",
 	"TEXT_CHARAT_TOOLTIP": "Повертає символ у зазначеній позиції.",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "Повертає заданий фрагмент тексту.",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "у тексті",
@@ -238,7 +217,6 @@
 	"TEXT_GET_SUBSTRING_END_FROM_START": "до символу #",
 	"TEXT_GET_SUBSTRING_END_FROM_END": "до символу # з кінця",
 	"TEXT_GET_SUBSTRING_END_LAST": "до останнього символу",
-	"TEXT_GET_SUBSTRING_TAIL": "-ого.",
 	"TEXT_CHANGECASE_TOOLTIP": "В іншому випадку повертає копію тексту.",
 	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "до ВЕРХНЬОГО регістру",
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "до нижнього регістру",
@@ -259,7 +237,6 @@
 	"TEXT_REPLACE_TOOLTIP": "Замінює всі входження деякого тексту іншим текстом.",
 	"TEXT_REVERSE_MESSAGE0": "розвернути %1",
 	"TEXT_REVERSE_TOOLTIP": "Змінює на протилежний порядок символів у тексті.",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "створити порожній список",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "Повертає список, довжиною 0, що не містить записів даних",
 	"LISTS_CREATE_WITH_TOOLTIP": "Створює список з будь-якою кількістю елементів.",
@@ -285,7 +262,6 @@
 	"LISTS_GET_INDEX_FIRST": "перший",
 	"LISTS_GET_INDEX_LAST": "останній",
 	"LISTS_GET_INDEX_RANDOM": "випадковий",
-	"LISTS_GET_INDEX_TAIL": "-ий.",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "%1 - це перший елемент.",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "%1 - це останній елемент.",
 	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "Повертає елемент у заданій позиції у списку.",
@@ -317,9 +293,7 @@
 	"LISTS_GET_SUBLIST_END_FROM_START": "до #",
 	"LISTS_GET_SUBLIST_END_FROM_END": "до # з кінця",
 	"LISTS_GET_SUBLIST_END_LAST": "до останнього",
-	"LISTS_GET_SUBLIST_TAIL": "символу.",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Створює копію вказаної частини списку.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "сортувати %3 %1 %2",
 	"LISTS_SORT_TOOLTIP": "Сортувати копію списку.",
 	"LISTS_SORT_ORDER_ASCENDING": "за зростанням",
@@ -334,7 +308,6 @@
 	"LISTS_SPLIT_TOOLTIP_JOIN": "Злити список текстів у єдиний текст, відокремивши розділювачами.",
 	"LISTS_REVERSE_MESSAGE0": "розвернути %1",
 	"LISTS_REVERSE_TOOLTIP": "Змінити порядок копії списку на зворотний.",
-	"ORDINAL_NUMBER_SUFFIX": "-ий.",
 	"VARIABLES_GET_TOOLTIP": "Повертає значення цієї змінної.",
 	"VARIABLES_GET_CREATE_SET": "Створити 'встановити %1'",
 	"VARIABLES_SET": "встановити %1 до %2",
@@ -345,7 +318,6 @@
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "щось зробити",
 	"PROCEDURES_BEFORE_PARAMS": "з:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "з:",
-	"PROCEDURES_DEFNORETURN_DO": "блок тексту",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Створює функцію без виводу.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Опишіть цю функцію...",
 	"PROCEDURES_DEFRETURN_HELPURL": "https://uk.wikipedia.org/wiki/Підпрограма",
@@ -364,9 +336,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "Підсвітити визначення функції",
 	"PROCEDURES_CREATE_DO": "Створити \"%1\"",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Якщо значення істинне, то повернути друге значення.",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "Попередження: цей блок може використовуватися лише в межах визначення функції.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Скажіть щось...",
 	"WORKSPACE_ARIA_LABEL": "Робоча область Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "Звернуті блоки містять попередження."
+	"COLLAPSED_WARNINGS_WARNING": "Звернуті блоки містять попередження.",
+	"DIALOG_OK": "Гаразд",
+	"DIALOG_CANCEL": "Скасувати"
 }
diff --git a/msg/json/ur.json b/msg/json/ur.json
index 1d918f2ff01..adc8bb4859f 100644
--- a/msg/json/ur.json
+++ b/msg/json/ur.json
@@ -4,21 +4,24 @@
 			"Abdulq",
 			"NajeebKhan",
 			"Obaid Raza",
+			"Rizwan",
 			"Sayam Asjad",
+			"TheAafi",
 			"عثمان خان شاہ",
 			"محمد افضل"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "آئٹم",
+	"UNNAMED_KEY": "نامعلوم",
 	"TODAY": "آج",
-	"DUPLICATE_BLOCK": "ڈپلیکیٹ",
+	"DUPLICATE_BLOCK": "نقل",
 	"ADD_COMMENT": "کمنٹ کریں",
-	"REMOVE_COMMENT": "تبصرہ حذف کریں",
-	"DUPLICATE_COMMENT": " ہو بہو  تبصرہ",
+	"REMOVE_COMMENT": "تبصرہ کو ہٹا دیں",
+	"DUPLICATE_COMMENT": "دہرا تبصرہ",
 	"EXTERNAL_INPUTS": "خارجی دخل اندازی",
 	"INLINE_INPUTS": "بین السطور داخل کریں",
 	"DELETE_BLOCK": "حذف بلاک",
-	"DELETE_X_BLOCKS": "%1 بلاکوں کو حذف کریں",
+	"DELETE_X_BLOCKS": "بلاکوں کو حذف کریں %1",
 	"DELETE_ALL_BLOCKS": "تمام%1 بلاکس کو حذف کریں؟",
 	"CLEAN_UP": "بلاکس صاف کریں",
 	"COLLAPSE_BLOCK": "بند کرو بلاک",
@@ -27,7 +30,7 @@
 	"EXPAND_ALL": "بلاکوں میں توسیع کریں",
 	"DISABLE_BLOCK": "بلاک کو غیرفعال کریں",
 	"ENABLE_BLOCK": "بلاک کو فعال کریں",
-	"HELP": "معاونت",
+	"HELP": "مدد",
 	"UNDO": "کیا ہوا کام کینسل کرے",
 	"REDO": "دہرائیں",
 	"CHANGE_VALUE_TITLE": "ویلیو تبدیل کریں:",
@@ -37,14 +40,13 @@
 	"NEW_STRING_VARIABLE": "متغیر بنائیں String",
 	"NEW_NUMBER_VARIABLE": "عدد متغیر بناییں",
 	"NEW_COLOUR_VARIABLE": "رنگ متغیر بنائیں",
-	"NEW_VARIABLE_TYPE_TITLE": " نئی متغیر قسم",
+	"NEW_VARIABLE_TYPE_TITLE": "نئی متغیر قسم",
 	"NEW_VARIABLE_TITLE": "نیا ویریابل نام:",
-	"VARIABLE_ALREADY_EXISTS": "ایک متغیر نام '٪ 1' پہلے سے ہی موجود ہے.",
-	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "ایک متغیر نام '٪ 1' کسی دوسرے قسم کے لئے پہلے ہی موجود ہے: '٪ 2'.",
-	"DELETE_VARIABLE_CONFIRMATION": "'٪ 2' متغیر کے٪ 1 استعمال کو حذف کریں؟",
+	"VARIABLE_ALREADY_EXISTS": "ایک متغیر نام %1 پہلے سے ہی موجود ہے.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "ایک متغیر نام %1 کسی دوسرے قسم کے لئے پہلے ہی موجود ہے: %2.",
+	"DELETE_VARIABLE_CONFIRMATION": "%2 متغیر کے %1 استعمال کو حذف کریں؟",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "متغیر '٪ 1' کو حذف نہیں کر سکتا کیونکہ یہ فنکشن کی تعریف کا حصہ ہے '٪ 2'",
 	"DELETE_VARIABLE": "'٪ 1' متغیر کو حذف کریں",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "پیلیٹ سے رنگ منتخب کریں",
 	"COLOUR_RANDOM_TITLE": "ناسیدھا رنگ",
 	"COLOUR_RANDOM_TOOLTIP": "کسی بھی رنگ کو منتجب کریں",
@@ -58,7 +60,6 @@
 	"COLOUR_BLEND_COLOUR2": "رنگ 2",
 	"COLOUR_BLEND_RATIO": "ریشیو",
 	"COLOUR_BLEND_TOOLTIP": "دیئے گئے ریشیو میں دو رنگوں کو مرکب کریں (0.0-1.0)",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "%1 مرتبہ دہرائے",
 	"CONTROLS_REPEAT_INPUT_DO": "کریں",
 	"CONTROLS_REPEAT_TOOLTIP": "کچھ جملوں کو کہیں مرتبہ کریں۔",
@@ -77,7 +78,6 @@
 	"CONTROLS_IF_MSG_IF": "اگر",
 	"CONTROLS_IF_MSG_ELSEIF": "دوسراں اگر",
 	"CONTROLS_IF_MSG_ELSE": "دوسراں",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_OPERATION_AND": "اور",
 	"LOGIC_OPERATION_OR": "یا",
 	"LOGIC_NEGATE_TITLE": "%1 نہیں",
@@ -86,9 +86,7 @@
 	"LOGIC_TERNARY_CONDITION": "ٹیسٹ",
 	"LOGIC_TERNARY_IF_TRUE": "اگ سچ ہے",
 	"LOGIC_TERNARY_IF_FALSE": "اگر غلط ہے",
-	"MATH_NUMBER_HELPURL": "https://en.wikipedia.org/wiki/Number",
 	"MATH_NUMBER_TOOLTIP": "ایک نمبر.",
-	"MATH_ARITHMETIC_HELPURL": "https://en.wikipedia.org/wiki/Arithmetic",
 	"MATH_SINGLE_OP_ROOT": "اسکویر روٹ",
 	"MATH_SINGLE_OP_ABSOLUTE": "بالکل",
 	"TEXT_CHARAT_FROM_START": "# حرف حاصل کریں",
@@ -106,12 +104,14 @@
 	"LISTS_SET_INDEX_SET": "تعین کریں",
 	"LISTS_SET_INDEX_INSERT": "میں درج کریں",
 	"LISTS_SET_INDEX_INPUT_TO": "بطور",
-	"LISTS_SET_INDEX_TOOLTIP_SET_FIRST": "فہرست میں پہلا آئٹم  کا تعین کریں",
+	"LISTS_SET_INDEX_TOOLTIP_SET_FIRST": "فہرست میں پہلے آئٹم کا تعین کریں",
 	"PROCEDURES_DEFNORETURN_TITLE": "کو",
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "کچھ کرو",
 	"PROCEDURES_BEFORE_PARAMS": "سمیت:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "سمیت:",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "بغیر آوٹ پٹ کا فنکشن بنائیں",
 	"PROCEDURES_DEFRETURN_RETURN": "واپس آ جائیں",
-	"PROCEDURES_DEFRETURN_TOOLTIP": "بغیر آوٹ پٹ کا فنکشن بنائیں"
+	"PROCEDURES_DEFRETURN_TOOLTIP": "بغیر آوٹ پٹ کا فنکشن بنائیں",
+	"DIALOG_OK": "ٹھیک ہے",
+	"DIALOG_CANCEL": "منسوخ"
 }
diff --git a/msg/json/uz.json b/msg/json/uz.json
new file mode 100644
index 00000000000..c8d830e6012
--- /dev/null
+++ b/msg/json/uz.json
@@ -0,0 +1,36 @@
+{
+	"@metadata": {
+		"authors": [
+			"Nodirbek"
+		]
+	},
+	"DELETE_BLOCK": "Blokni o'chirish",
+	"DELETE_X_BLOCKS": "%1 bloklarini o‘chirish",
+	"DELETE_ALL_BLOCKS": "Barcha %1 bloklar o'chirilsinmi?",
+	"CLEAN_UP": "Bloklarni tozalash",
+	"COLLAPSE_BLOCK": "Blokni yopish",
+	"COLLAPSE_ALL": "Bloklarni yopish",
+	"EXPAND_BLOCK": "Blokni kengaytirish",
+	"EXPAND_ALL": "Bloklarni kengaytirish",
+	"DISABLE_BLOCK": "Bloklashni o‘chirish",
+	"ENABLE_BLOCK": "Bloklashni yoqish",
+	"HELP": "Yordam",
+	"UNDO": "Bekor qilish",
+	"REDO": "Qaytarish",
+	"CHANGE_VALUE_TITLE": "Qiymatni o'zgartirish:",
+	"NEW_STRING_VARIABLE": "String o'zgaruvchisini yaratish ...",
+	"NEW_NUMBER_VARIABLE": "Raqam o'zgaruvchisini yarating ...",
+	"NEW_COLOUR_VARIABLE": "Rang o'zgaruvchisini yaratish ...",
+	"NEW_VARIABLE_TYPE_TITLE": "Yangi o'zgaruvchining turi:",
+	"NEW_VARIABLE_TITLE": "Yangi o'zgaruvchining nomi:",
+	"VARIABLE_ALREADY_EXISTS": "'%1' nomli o'zgaruvchi mavjud.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "'%1' nomli o'zgaruvchi boshqa tur uchun allaqachon mavjud: '%2'.",
+	"DELETE_VARIABLE": "'%1' o'zgaruvchisini o'chirib tashlang",
+	"COLOUR_RANDOM_TITLE": "tasodifiy rang",
+	"COLOUR_RANDOM_TOOLTIP": "Tasodifiy rangni tanlang.",
+	"COLOUR_RGB_RED": "qizil",
+	"COLOUR_RGB_GREEN": "yashil",
+	"COLOUR_RGB_BLUE": "ko'k",
+	"DIALOG_OK": "Mayli",
+	"DIALOG_CANCEL": "Bekor qilish"
+}
diff --git a/msg/json/vi.json b/msg/json/vi.json
index 91faedf8ccb..5ebfc92301f 100644
--- a/msg/json/vi.json
+++ b/msg/json/vi.json
@@ -2,13 +2,16 @@
 	"@metadata": {
 		"authors": [
 			"Baonguyen21022003",
+			"Caden99",
 			"Dstream",
 			"Espertus",
 			"Leducthn",
 			"Nguyenvanduocit",
 			"Nguyễn Mạnh An",
 			"Qneutron",
+			"Quangkhanhhuynh",
 			"SierraNguyen",
+			"TARGET6tidiem",
 			"Withoutaname"
 		]
 	},
@@ -45,6 +48,7 @@
 	"NEW_VARIABLE_TITLE": "Tên của biến mới:",
 	"VARIABLE_ALREADY_EXISTS": "Một biến có tên '%1' đã tồn tại.",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "Giá trị '%1' đã tồn tại dưới dạng: '%2'.",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "Một biến có tên '%1' đã tồn tại dưới dạng tham số trong quy trình '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "Xóa %1 lần dùng của giá trị '%2'?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "Không thể xóa giá trị '%1' vì nó được bao gồm trong định nghĩa của chức năng '%2'",
 	"DELETE_VARIABLE": "Xóa giá trị '%1'",
@@ -62,7 +66,6 @@
 	"COLOUR_BLEND_COLOUR2": "màu 2",
 	"COLOUR_BLEND_RATIO": "tỉ lệ",
 	"COLOUR_BLEND_TOOLTIP": "Pha hai màu với nhau theo tỉ lệ (0 - 100).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "lặp lại %1 lần",
 	"CONTROLS_REPEAT_INPUT_DO": "thực hiện",
 	"CONTROLS_REPEAT_TOOLTIP": "Thực hiện các lệnh vài lần.",
@@ -89,19 +92,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Thêm, bỏ, hoặc đổi thứ tự các mảnh con để tạo cấu trúc mới cho mảnh nếu.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Thêm một điều kiện vào mảnh nếu.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Cuối cùng, khi không điều kiện nào đúng.",
-	"IOS_OK": "Đồng ý",
-	"IOS_CANCEL": "Hủy bỏ",
-	"IOS_ERROR": "Lỗi",
-	"IOS_PROCEDURES_INPUTS": "NHẬP VÀO",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Thêm đầu vào",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Cho phép báo cáo",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Hàm này có chứa các input trùng nhau.",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Thêm biến",
-	"IOS_VARIABLES_ADD_BUTTON": "Thêm",
-	"IOS_VARIABLES_RENAME_BUTTON": "Đổi tên",
-	"IOS_VARIABLES_DELETE_BUTTON": "Xóa",
-	"IOS_VARIABLES_VARIABLE_NAME": "Tên biến",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "Bạn không thể không nhập tên biến.",
 	"LOGIC_COMPARE_HELPURL": "https://vi.wikipedia.org/wiki/B%E1%BA%A5t_%C4%91%E1%BA%B3ng_th%E1%BB%A9c",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Hoàn trả giá trị \"đúng\" (true) nếu giá trị hai đầu vào bằng nhau.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Hoàn trả giá trị \"đúng\" (true) nếu giá trị hai đầu vào không bằng nhau.",
@@ -126,6 +116,12 @@
 	"LOGIC_TERNARY_TOOLTIP": "Kiểm tra điều kiện. Nếu điều kiện đúng, hoàn trả giá trị từ mệnh đề \"nếu đúng\" nếu không đúng, hoàn trả giá trị từ mệnh đề \"nếu sai\".",
 	"MATH_NUMBER_HELPURL": "https://vi.wikipedia.org/wiki/S%E1%BB%91",
 	"MATH_NUMBER_TOOLTIP": "Một con số.",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
+	"MATH_TRIG_ASIN": "asin",
+	"MATH_TRIG_ACOS": "acos",
+	"MATH_TRIG_ATAN": "atan",
 	"MATH_ARITHMETIC_HELPURL": "https://vi.wikipedia.org/wiki/S%E1%BB%91_h%E1%BB%8Dc",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "Hoàn trả tổng của hai con số.",
 	"MATH_ARITHMETIC_TOOLTIP_MINUS": "Hoàn trả hiệu của hai con số.",
@@ -149,7 +145,6 @@
 	"MATH_TRIG_TOOLTIP_ASIN": "Hoàn trả Arcsin của một góc (theo độ).",
 	"MATH_TRIG_TOOLTIP_ACOS": "Hoàn trả Arccos của một góc (theo độ).",
 	"MATH_TRIG_TOOLTIP_ATAN": "Hoàn trả Arctang của một góc (theo độ).",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Hoàn trả các đẳng số thường gặp: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (vô cực).",
 	"MATH_IS_EVEN": "là số chẵn",
 	"MATH_IS_ODD": "là số lẻ",
@@ -158,16 +153,14 @@
 	"MATH_IS_POSITIVE": "là số dương",
 	"MATH_IS_NEGATIVE": "là số âm",
 	"MATH_IS_DIVISIBLE_BY": "chia hết cho",
-	"MATH_IS_TOOLTIP": "Kiểm tra con số xem nó có phải là số chẵn, lẻ, nguyên tố, nguyên, dương, âm,  hay xem nó có chia hết cho số đầu vào hay không.  Hoàn trả đúng hay sai.",
+	"MATH_IS_TOOLTIP": "Kiểm tra con số xem nó có phải là số chẵn, lẻ, nguyên tố, nguyên, dương, âm, hay xem nó có chia hết cho số đầu vào hay không.  Hoàn trả đúng hay sai.",
 	"MATH_CHANGE_HELPURL": "https://vi.wikipedia.org/wiki/Ph%C3%A9p_c%E1%BB%99ng",
 	"MATH_CHANGE_TITLE": "cộng vào %1 giá trị %2",
 	"MATH_CHANGE_TOOLTIP": "Cộng số đầu vào vào biến \"%1\".",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Làm tròn lên hoặc tròn xuống số đầu vào.",
 	"MATH_ROUND_OPERATOR_ROUND": "làm tròn",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "làm tròn lên",
 	"MATH_ROUND_OPERATOR_ROUNDDOWN": "làm tròn xuống",
-	"MATH_ONLIST_HELPURL": "",
 	"MATH_ONLIST_OPERATOR_SUM": "tổng của một danh sách",
 	"MATH_ONLIST_TOOLTIP_SUM": "Hoàn trả tổng số của tất cả các số trong danh sách.",
 	"MATH_ONLIST_OPERATOR_MIN": "số nhỏ nhất của một danh sách",
@@ -184,23 +177,18 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Hoàn trả độ lệch chuẩn của danh sách số.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "một số bất kỳ của một danh sách",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Hoàn trả một số bất kỳ từ các số trong danh sách.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "số dư của %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Chia số thứ nhất cho số thứ hai rồi hoàn trả số dư từ.",
 	"MATH_CONSTRAIN_TITLE": "giới hạn %1 không dưới %2 không hơn %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Giới hạn số đầu vào để không dưới số thứ nhất và không hơn số thứ hai.",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "Một số nguyên bất kỳ từ %1 đến %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Hoàn trả một số nguyên bất kỳ lớn hơn hoặc bằng số đầu và nhỏ hơn hoặc bằng số sau.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "phân số bất kỳ",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Hoàn trả một phân số bất kỳ không nhỏ hơn 0.0 và không lớn hơn 1.0.",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 của X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Trả về arctangent của điểm (X, Y) trong khoảng từ -180 độ đến 180 độ.",
 	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/string_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Một ký tự, một từ, hay một dòng.",
-	"TEXT_JOIN_HELPURL": "",
 	"TEXT_JOIN_TITLE_CREATEWITH": "tạo văn bản từ",
 	"TEXT_JOIN_TOOLTIP": "Tạo một văn bản từ các thành phần.",
 	"TEXT_CREATE_JOIN_TITLE_JOIN": "kết nối",
@@ -308,7 +296,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "đến (đếm từ cuối) thứ",
 	"LISTS_GET_SUBLIST_END_LAST": "đến cuối cùng",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Lấy một mảng của danh sách này để tạo danh sách con.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "sắp xếp %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "Sắp xếp một bản sao của một danh sách.",
 	"LISTS_SORT_ORDER_ASCENDING": "tăng dần",
@@ -332,7 +319,6 @@
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "làm gì đó",
 	"PROCEDURES_BEFORE_PARAMS": "với:",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "với:",
-	"PROCEDURES_DEFNORETURN_DO": "",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "Một thủ tục không có giá trị hoàn trả.",
 	"PROCEDURES_DEFNORETURN_COMMENT": "Mô tả hàm này...",
 	"PROCEDURES_DEFRETURN_RETURN": "hoàn trả",
@@ -340,9 +326,9 @@
 	"PROCEDURES_ALLOW_STATEMENTS": "cho phép báo cáo",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Chú ý: Thủ tục này có lặp lại tên các tham số.",
 	"PROCEDURES_CALLNORETURN_HELPURL": "https://vi.wikipedia.org/wiki/Ch%C6%B0%C6%A1ng_tr%C3%ACnh_con",
-	"PROCEDURES_CALLNORETURN_TOOLTIP": "Chạy một thủ tục không có giá trị hoàn trả.",
+	"PROCEDURES_CALLNORETURN_TOOLTIP": "Thực hiện hàm được xác định bởi người dùng '%1'.",
 	"PROCEDURES_CALLRETURN_HELPURL": "https://vi.wikipedia.org/wiki/Ch%C6%B0%C6%A1ng_tr%C3%ACnh_con",
-	"PROCEDURES_CALLRETURN_TOOLTIP": "Chạy một thủ tục có giá trị hoàn trả.",
+	"PROCEDURES_CALLRETURN_TOOLTIP": "Thực hiện hàm được xác định bởi người dùng '%1' và sử dụng đầu ra của nó.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "các tham số",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Thêm, xóa hoặc sắp xếp lại các đầu vào cho hàm này.",
 	"PROCEDURES_MUTATORARG_TITLE": "biến:",
@@ -353,5 +339,7 @@
 	"PROCEDURES_IFRETURN_WARNING": "Chú ý: Mảnh này chỉ có thể dùng trong một thủ tục.",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Hãy nói gì đó...",
 	"WORKSPACE_ARIA_LABEL": "Không gian làm việc Blockly",
-	"COLLAPSED_WARNINGS_WARNING": "Các khối bị sập có chứa cảnh báo."
+	"COLLAPSED_WARNINGS_WARNING": "Các khối bị sập có chứa cảnh báo.",
+	"DIALOG_OK": "OK",
+	"DIALOG_CANCEL": "Hủy"
 }
diff --git a/msg/json/xmf.json b/msg/json/xmf.json
index f6dd8597d82..c1ae0d980c2 100644
--- a/msg/json/xmf.json
+++ b/msg/json/xmf.json
@@ -30,9 +30,14 @@
 	"CHANGE_VALUE_TITLE": "შანულობაშ თირუა:",
 	"RENAME_VARIABLE": "ჯოხოშ თირუა მათირეფონი…",
 	"RENAME_VARIABLE_TITLE": "არძა მათირეფონი '%1' ჯოხოშ თირუა -შა:",
-	"NEW_VARIABLE": "აკოქიმინი მათირეფონი...",
+	"NEW_VARIABLE": "გაჭყით მათირეფონი...",
+	"NEW_STRING_VARIABLE": "გაჭყით ვეშ მათირეფონი...",
+	"NEW_NUMBER_VARIABLE": "გაჭყით რიცხობური მათირეფონი...",
+	"NEW_COLOUR_VARIABLE": "გაჭყით ფერამი მათირეფონი...",
+	"NEW_VARIABLE_TYPE_TITLE": "ახალი მათირეფონი ტიპი:",
 	"NEW_VARIABLE_TITLE": "ახალი მათირეფონიშ ჯოხო:",
-	"VARIABLE_ALREADY_EXISTS": "მათირეფონი ჯოხოთი '%1' უკვე არსენებს.",
+	"VARIABLE_ALREADY_EXISTS": "მათირეფონი ჯოხოთი '%1' უკვე რე.",
+	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "მათირეფონი ჯოხოთი '%1' უკვე რე შხვა ტიპიშო: '%2'.",
 	"DELETE_VARIABLE_CONFIRMATION": "'%2' მათირეფონიშ გჷმორინაფა %1 ბლასათო?",
 	"DELETE_VARIABLE": "'%1' მათირეფონიშ ლასუა",
 	"COLOUR_PICKER_HELPURL": "https://xmf.wikipedia.org/wiki/ფერი",
@@ -66,13 +71,6 @@
 	"CONTROLS_IF_MSG_IF": "თუ",
 	"CONTROLS_IF_MSG_ELSEIF": "შხვანერო თუ",
 	"CONTROLS_IF_MSG_ELSE": "შხვანერო",
-	"IOS_OK": "OK",
-	"IOS_CANCEL": "გოუქვაფა",
-	"IOS_ERROR": "ჩილათა",
-	"IOS_PROCEDURES_INPUTS": "მიშულა",
-	"IOS_VARIABLES_ADD_BUTTON": "გეძინა",
-	"IOS_VARIABLES_RENAME_BUTTON": "ჯოხოშ თირუა",
-	"IOS_VARIABLES_DELETE_BUTTON": "ლასუა",
 	"LOGIC_OPERATION_AND": "დო",
 	"LOGIC_OPERATION_OR": "ვარდა",
 	"LOGIC_BOOLEAN_TRUE": "ნანდული",
@@ -81,6 +79,9 @@
 	"LOGIC_NULL_TOOLTIP": "დჷთმართინუანს მუთუნ ვარს.",
 	"MATH_NUMBER_HELPURL": "https://xmf.wikipedia.org/wiki/რიცხუ",
 	"MATH_NUMBER_TOOLTIP": "რიცხუ.",
+	"MATH_TRIG_SIN": "sin",
+	"MATH_TRIG_COS": "cos",
+	"MATH_TRIG_TAN": "tan",
 	"MATH_ARITHMETIC_HELPURL": "https://xmf.wikipedia.org/wiki/არითმეტიკა",
 	"MATH_SINGLE_OP_ROOT": "კვადრატული ჯინჯი",
 	"MATH_SINGLE_OP_ABSOLUTE": "მოდული",
@@ -90,5 +91,6 @@
 	"MATH_IS_WHOLE": "ნთელი რე",
 	"MATH_IS_POSITIVE": "დადებითი რე",
 	"MATH_IS_NEGATIVE": "უარყოფითი რე",
-	"LISTS_ISEMPTY_TITLE": "%1 ცარიელი რე"
+	"LISTS_ISEMPTY_TITLE": "%1 ცარიელი რე",
+	"DIALOG_CANCEL": "გოუქვაფა"
 }
diff --git a/msg/json/yo.json b/msg/json/yo.json
index 678a6785142..0535cd9e591 100644
--- a/msg/json/yo.json
+++ b/msg/json/yo.json
@@ -39,7 +39,6 @@
 	"DELETE_VARIABLE_CONFIRMATION": "Paa %1 lilo '%2' oniruuru rẹ?",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "E ko lee paa Oniruuru rẹ ' %1' nitori wipe o je ara itumọ isise eto yi '%2'",
 	"DELETE_VARIABLE": "Paa awon '%1' Oniruuru rẹ",
-	"COLOUR_PICKER_HELPURL": "https://en.wikipedia.org/wiki/Color",
 	"COLOUR_PICKER_TOOLTIP": "Yan awọ kan lati inu patako awọ.",
 	"COLOUR_RANDOM_TITLE": "awọ àrìnàkò",
 	"COLOUR_RANDOM_TOOLTIP": "Yan awọ kan ni ọna àrìnàkò.",
@@ -53,7 +52,6 @@
 	"COLOUR_BLEND_COLOUR2": "awọ 2",
 	"COLOUR_BLEND_RATIO": "ipin",
 	"COLOUR_BLEND_TOOLTIP": "Da awo meji papo pelu ipin (0.0 - 1.0).",
-	"CONTROLS_REPEAT_HELPURL": "https://en.wikipedia.org/wiki/For_loop",
 	"CONTROLS_REPEAT_TITLE": "Iye igba %1 ti tun ṣe",
 	"CONTROLS_REPEAT_INPUT_DO": "ṣe",
 	"CONTROLS_REPEAT_TOOLTIP": "Ṣe awon alaye ni igba pupo.",
@@ -80,20 +78,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "Ṣe afikun, se ayọkuro, tabi se a tun beere abala yii lati se a tun gbejade bulọọku yii.",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "Ṣe afikun si ipo yii bi bulọọku.",
 	"CONTROLS_IF_ELSE_TOOLTIP": "Ṣe afikun ipari, mu-gbogbo ipo si bulọọku.",
-	"IOS_OK": "O DARA",
-	"IOS_CANCEL": "Fagilee",
-	"IOS_ERROR": "Aṣiṣe",
-	"IOS_PROCEDURES_INPUTS": "SII",
-	"IOS_PROCEDURES_ADD_INPUT": "+ Fi afikun sii",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "Gba koodu laaye",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "Awon afikun okeere",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ Ṣe afikun orisirisi",
-	"IOS_VARIABLES_ADD_BUTTON": "Ìròpọ̀",
-	"IOS_VARIABLES_RENAME_BUTTON": "Àtúnṣọlọ́rúkọ",
-	"IOS_VARIABLES_DELETE_BUTTON": "Paarẹ",
-	"IOS_VARIABLES_VARIABLE_NAME": "Oruko orisirisi",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "O ko le lo oruko orisirisi ti o sofo.",
-	"LOGIC_COMPARE_HELPURL": "https://en.wikipedia.org/wiki/Inequality_(mathematics)",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "Da otito pada b iafikun mejeji ba dogba bakanna.",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "Da otito pada bi afikun mejeji ko ba dogba bakanna.",
 	"LOGIC_COMPARE_TOOLTIP_LT": "Da otito pada bi afikun akooko ba kere ju afiku keji lo.",
@@ -114,7 +98,7 @@
 	"LOGIC_TERNARY_CONDITION": "idanwo",
 	"LOGIC_TERNARY_IF_TRUE": "bi otitọ",
 	"LOGIC_TERNARY_IF_FALSE": "bi irọ",
-	"LOGIC_TERNARY_TOOLTIP": "Ṣe ayewo ipo naa ni 'idanwo'. Bi ipo nab a je otito, Da pada 'bi otito' iye; bibẹẹkọ da pada  'bi iro' iye.",
+	"LOGIC_TERNARY_TOOLTIP": "Ṣe ayewo ipo naa ni 'idanwo'. Bi ipo nab a je otito, Da pada 'bi otito' iye; bibẹẹkọ da pada 'bi iro' iye.",
 	"MATH_NUMBER_HELPURL": "https://yo.wikipedia.org/wiki/Nọ́mbà",
 	"MATH_NUMBER_TOOLTIP": "Nọ́mbà kan.",
 	"MATH_ARITHMETIC_HELPURL": "https://yo.wikipedia.org/wiki/Ìṣírò",
@@ -133,14 +117,12 @@
 	"MATH_SINGLE_TOOLTIP_LOG10": "Da ipilẹ 10 lọgaridimu nọmba kan pada.",
 	"MATH_SINGLE_TOOLTIP_EXP": "Da e pada si agbara ti nọmba kan.",
 	"MATH_SINGLE_TOOLTIP_POW10": "Da 10 pada si agbara nọmba kan.",
-	"MATH_TRIG_HELPURL": "https://en.wikipedia.org/wiki/Trigonometric_functions",
 	"MATH_TRIG_TOOLTIP_SIN": "Da sine ti digiri pada (kii ṣe Radian).",
 	"MATH_TRIG_TOOLTIP_COS": "Da cosine ti digiri pada (kii ṣe Radian).",
 	"MATH_TRIG_TOOLTIP_TAN": "Da tangent ti digiri pada (kii ṣe Radian).",
 	"MATH_TRIG_TOOLTIP_ASIN": "Da arcsine ti digiri pada.",
 	"MATH_TRIG_TOOLTIP_ACOS": "Da arccosine ti digiri pada.",
 	"MATH_TRIG_TOOLTIP_ATAN": "Da arctangent ti digiri pada.",
-	"MATH_CONSTANT_HELPURL": "https://en.wikipedia.org/wiki/Mathematical_constant",
 	"MATH_CONSTANT_TOOLTIP": "Da ọkan ninu awọn aiyipada ti o wọpọ pada: π (3.141…), e (2.718…), φ (1.618…), sqrt(2) (1.414…), sqrt(½) (0.707…), or ∞ (ailopin).",
 	"MATH_IS_EVEN": "je se e pin",
 	"MATH_IS_ODD": "je ai se e pin",
@@ -150,10 +132,8 @@
 	"MATH_IS_NEGATIVE": "je ai dara",
 	"MATH_IS_DIVISIBLE_BY": "je sisee pin pẹlu",
 	"MATH_IS_TOOLTIP": "Ṣe ayẹwo boya nọmba jẹ eyi to se pin, ai se pin, akori, odidi, ti o dara, ti ko dara, tabi ti o ba se e pin pelu nọmba kan. Pada otitọ tabi irọ.",
-	"MATH_CHANGE_HELPURL": "https://en.wikipedia.org/wiki/Programming_idiom#Incrementing_a_counter",
 	"MATH_CHANGE_TITLE": "iyipada %1 nipasẹ %2",
 	"MATH_CHANGE_TOOLTIP": "Se afiku si nọmba orisirisi '%1'.",
-	"MATH_ROUND_HELPURL": "https://en.wikipedia.org/wiki/Rounding",
 	"MATH_ROUND_TOOLTIP": "Pa oju nọmba de soke tabi si isalẹ.",
 	"MATH_ROUND_OPERATOR_ROUND": "pa ju de",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "pa ju de soke",
@@ -174,21 +154,16 @@
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "Da iṣiro deede ti akojọ pada.",
 	"MATH_ONLIST_OPERATOR_RANDOM": "àrìnàkò nkan ti akojọ",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "Da àrìnàkò ida ipilẹ nkan lati inu akojọ.",
-	"MATH_MODULO_HELPURL": "https://en.wikipedia.org/wiki/Modulo_operation",
 	"MATH_MODULO_TITLE": "iyokù %1 ÷ %2",
 	"MATH_MODULO_TOOLTIP": "Da iyokù lati pinpin awọn nọmba meji pada.",
 	"MATH_CONSTRAIN_TITLE": "atokọ %1 kukuru %2 giga %3",
 	"MATH_CONSTRAIN_TOOLTIP": "Ṣe atokọ nọmba laarin awọn nọmba kukuru ati giga. (ini afikun).",
-	"MATH_RANDOM_INT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_INT_TITLE": "oniruru abala lati %1 si %2",
 	"MATH_RANDOM_INT_TOOLTIP": "Da àrìnàkò abala laarin awon opin pato meji pada, ini afikun.",
-	"MATH_RANDOM_FLOAT_HELPURL": "https://en.wikipedia.org/wiki/Random_number_generation",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "oniruru ipin",
 	"MATH_RANDOM_FLOAT_TOOLTIP": "Da àrìnàkò ida pada laarin 0.0 (ini afikun) ati 1.0 (iyasọtọ).",
-	"MATH_ATAN2_HELPURL": "https://en.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "atan2 X:%1 Y:%2",
 	"MATH_ATAN2_TOOLTIP": "Da ojuami arctangent pada (X, Y) ni awon digiri lati -180 si 180.",
-	"TEXT_TEXT_HELPURL": "https://en.wikipedia.org/wiki/String_(computer_science)",
 	"TEXT_TEXT_TOOLTIP": "Lẹta, ọrọ, tabi ila ọrọ.",
 	"TEXT_JOIN_TITLE_CREATEWITH": "ṣẹ ẹda ọrọ pẹlu",
 	"TEXT_JOIN_TOOLTIP": "Ṣẹda ọrọ kan nipa ṣiṣepọ gbogbo awọn ohun kan.",
@@ -296,7 +271,6 @@
 	"LISTS_GET_SUBLIST_END_FROM_END": "sii # lati opin",
 	"LISTS_GET_SUBLIST_END_LAST": "sii opin",
 	"LISTS_GET_SUBLIST_TOOLTIP": "Ṣẹda ẹda ti apa kan ti o wa ninu akojọ.",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "to %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "To ẹda akojọ lẹsẹẹsẹ.",
 	"LISTS_SORT_ORDER_ASCENDING": "si oke",
@@ -326,9 +300,7 @@
 	"PROCEDURES_DEFRETURN_TOOLTIP": "Ṣẹda iṣẹ pẹlu iṣagbejade kan.",
 	"PROCEDURES_ALLOW_STATEMENTS": "gba alaye laaye",
 	"PROCEDURES_DEF_DUPLICATE_WARNING": "Ikilo: Isẹ yii ni awọn ẹda odiwọn.",
-	"PROCEDURES_CALLNORETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLNORETURN_TOOLTIP": "Ṣe ṣalaye-iṣẹ ti olumulo '%1'.",
-	"PROCEDURES_CALLRETURN_HELPURL": "https://en.wikipedia.org/wiki/Subroutine",
 	"PROCEDURES_CALLRETURN_TOOLTIP": "Ṣe ṣalaye-iṣẹ ti olumulo '%1' kii o sii lo iṣagbejade rẹ.",
 	"PROCEDURES_MUTATORCONTAINER_TITLE": "igbewọle",
 	"PROCEDURES_MUTATORCONTAINER_TOOLTIP": "Fikun, yọ kuro, tabi tun beere awọn igbewọle si iṣẹ yii.",
@@ -338,5 +310,7 @@
 	"PROCEDURES_CREATE_DO": "Ṣe idasile '%1'",
 	"PROCEDURES_IFRETURN_TOOLTIP": "Ti iye ba jẹ otitọ, lẹhinna da iye keji pada.",
 	"PROCEDURES_IFRETURN_WARNING": "Ikilo: Bulọọki yii le ṣee lo nikan laarin itumọ iṣẹ kan",
-	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Sọ nkankan..."
+	"WORKSPACE_COMMENT_DEFAULT_TEXT": "Sọ nkankan...",
+	"DIALOG_OK": "O DARA",
+	"DIALOG_CANCEL": "Fagilé"
 }
diff --git a/msg/json/zgh.json b/msg/json/zgh.json
new file mode 100644
index 00000000000..33401304c15
--- /dev/null
+++ b/msg/json/zgh.json
@@ -0,0 +1,83 @@
+{
+	"@metadata": {
+		"authors": [
+			"Amara-Amaziɣ",
+			"Aslmad mohamed belarhzali",
+			"Brahim-essaidi",
+			"Hakim1bal"
+		]
+	},
+	"VARIABLES_DEFAULT_NAME": "ⴰⴼⵔⴷⵉⵙ",
+	"UNNAMED_KEY": "ⴰⵔⵉⵙⵎ",
+	"TODAY": "ⴰⵙⵙⴰ",
+	"ADD_COMMENT": "ⵔⵏⵓ ⴰⵅⴼⴰⵡⴰⵍ",
+	"REMOVE_COMMENT": "ⴽⴽⵙ ⴰⵅⴼⴰⵡⴰⵍ",
+	"DELETE_BLOCK": "ⴽⴽⵙ ⴰⴱⵍⵓⴽ",
+	"DELETE_X_BLOCKS": "ⴽⴽⵙ %1 ⵉⴱⵍⵓⴽⵏ",
+	"DELETE_ALL_BLOCKS": "ⴽⴽⵙ %1 ⵉⴱⵍⵓⴽⵏ ⵎⴰⵕⵕⴰ?",
+	"HELP": "ⵜⵉⵡⵉⵙⵉ",
+	"UNDO": "ⵙⵔ",
+	"REDO": "ⴰⵍⵙ",
+	"CHANGE_VALUE_TITLE": "ⵙⵏⴼⵍ ⴰⵣⴰⵍ:",
+	"RENAME_VARIABLE": "ⵙⵏⴼⵍ ⵉⵙⵎ ⵏ ⵓⵎⵙⴽⵉⵍ...",
+	"RENAME_VARIABLE_TITLE": "ⵙⵏⴼⵍ ⵉⵎⵙⴽⵉⵍⵏ ⴰⴽⴽ '%1' ⵖⵔ:",
+	"NEW_VARIABLE": "ⵙⴽⵔ ⴰⵎⵙⴽⵉⵍ...",
+	"NEW_NUMBER_VARIABLE": "ⵙⴽⵔ ⴰⵎⴹⴰⵏ ⴰⵎⵙⴽⵉⵍ...",
+	"NEW_COLOUR_VARIABLE": "ⵙⴽⵔ ⴰⴽⵍⵓ ⴰⵎⵙⴽⵉⵍ...",
+	"NEW_VARIABLE_TYPE_TITLE": "ⴰⵏⴰⵡ ⴰⵎⴰⵢⵏⵓ ⵏ ⵓⵎⵙⴽⵉⵍ:",
+	"NEW_VARIABLE_TITLE": "ⵉⵙⵎ ⵏ ⵓⵎⵙⴽⵉⵍ ⴰⵎⴰⵢⵏⵓ:",
+	"DELETE_VARIABLE": "ⴽⴽⵙ ⴰⵎⵙⴽⵉⵍ '%1'",
+	"COLOUR_RGB_TITLE": "ⴽⵍⵓ ⵙ",
+	"COLOUR_RGB_RED": "ⴰⵣⴳⴳⵯⴰⵖ",
+	"COLOUR_RGB_GREEN": "ⴰⵣⴳⵣⴰ",
+	"COLOUR_RGB_BLUE": "ⴰⵏⵉⵍⵉ",
+	"COLOUR_RGB_TOOLTIP": "ⴰⵣⴰⵍⵏ ⵉⴼⵓⴽⴽ ⴰⴷ ⵉⵍⵉⵏ ⴳⵔ 0 ⴷ 100.",
+	"COLOUR_BLEND_TITLE": "ⵙⵎⵔⴽⵙ",
+	"COLOUR_BLEND_COLOUR1": "ⴰⴽⵍⵓ 1",
+	"COLOUR_BLEND_COLOUR2": "ⴰⴽⵍⵓ 2",
+	"COLOUR_BLEND_RATIO": "ⴰⵙⵙⴰⵖ",
+	"CONTROLS_REPEAT_TITLE": "ⴰⵍⵙ %1 ⵜⵉⴽⴽⴰⵍ",
+	"CONTROLS_REPEAT_INPUT_DO": "ⴳ",
+	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "ⴰⵍⵙ ⴰⴷⴷⴰⴳ",
+	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "ⴰⵍⵙ ⴰⵔⴷ",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "ⴽⵓⴷ ⵉⴷⵜⵜⴰ ⵡⴰⵣⴰⵍ, ⵙⵙⵍⴽⵎ ⴽⵔⴰ ⵏ ⵡⴰⵏⴰⴹⵏ.",
+	"CONTROLS_IF_MSG_IF": "ⵎⴽ",
+	"CONTROLS_IF_MSG_ELSEIF": "ⵉⵙ",
+	"CONTROLS_IF_MSG_ELSE": "ⵎⴽ ⴷ ⵓⵀⵓ",
+	"LOGIC_OPERATION_AND": "ⴷ",
+	"LOGIC_OPERATION_OR": "ⵏⵖ",
+	"LOGIC_NEGATE_TITLE": "ⵓⵔ ⴷ %1",
+	"LOGIC_BOOLEAN_TRUE": "ⴰⵎⵉⴷⵉ",
+	"LOGIC_BOOLEAN_FALSE": "ⴰⵔⵎⵉⴷⵉ",
+	"LOGIC_NULL": "ⵢⵓⵔⴰ",
+	"LOGIC_TERNARY_CONDITION": "ⴰⵔⵎ",
+	"LOGIC_TERNARY_IF_TRUE": "ⵎⴽ ⵉⴷⵜⵜⴰ",
+	"LOGIC_TERNARY_IF_FALSE": "ⵎⴽ ⵓⵔ ⵉⴷⵜⵜⵉ",
+	"MATH_NUMBER_TOOLTIP": "ⴽⵔⴰ ⵏ ⵓⵎⴹⴰⵏ.",
+	"MATH_CHANGE_TITLE": "ⵙⵏⴼⵍ %1 ⵙ %2",
+	"MATH_CHANGE_TOOLTIP": "ⵔⵏⵓ ⵢⴰⵏ ⵓⵎⴹⴰⵏ ⵖⵔ ⵓⵎⵙⴽⵉⵍ '%1'",
+	"MATH_ATAN2_TITLE": "atan2 ⵙⴳ X:%1 Y:%2",
+	"TEXT_JOIN_TITLE_CREATEWITH": "ⵙⵏⴼⵍⵓⵍ ⴰⴹⵕⵉⵚ ⵙ",
+	"TEXT_CREATE_JOIN_TITLE_JOIN": "ⵍⴽⵎ",
+	"TEXT_LENGTH_TITLE": "ⵜⵉⵖⵣⵉ ⵏ %1",
+	"TEXT_INDEXOF_TITLE": "ⴳ ⵓⴹⵕⵉⵚ %1 %2 %3",
+	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "ⴳ ⵓⴹⵕⵉⵚ",
+	"TEXT_GET_SUBSTRING_END_LAST": "ⴰⵔ ⴰⵙⴽⴽⵉⵍ ⴰⵏⴳⴳⴰⵔⵓ",
+	"LISTS_LENGTH_TITLE": "ⵜⵉⵖⵣⵉ ⵏ %1",
+	"LISTS_INLIST": "ⴳ ⵜⵍⴳⴰⵎⵜ",
+	"LISTS_GET_INDEX_REMOVE": "ⵙⵉⵜⵜⵢ",
+	"LISTS_GET_INDEX_FROM_END": "# ⵙⴳ ⵜⵉⴳⵉⵔⴰ",
+	"LISTS_GET_INDEX_FIRST": "ⴰⵎⵣⵡⴰⵔⵓ",
+	"LISTS_GET_INDEX_LAST": "ⴰⵎⴳⴳⴰⵔⵓ",
+	"LISTS_SET_INDEX_INPUT_TO": "ⴰⵎ",
+	"LISTS_GET_SUBLIST_END_FROM_START": "ⴰⵔ #",
+	"LISTS_GET_SUBLIST_END_LAST": "ⴰⵔ ⵜⴳⵉⵔⴰ",
+	"LISTS_SORT_TYPE_NUMERIC": "ⴰⵎⵓⵟⵟⵓⵏ",
+	"PROCEDURES_DEFNORETURN_TITLE": "ⵉ",
+	"PROCEDURES_DEFNORETURN_PROCEDURE": "ⴳ ⴽⵔⴰ",
+	"PROCEDURES_BEFORE_PARAMS": "ⵙ:",
+	"PROCEDURES_CALL_BEFORE_PARAMS": "ⵙ:",
+	"PROCEDURES_MUTATORARG_TOOLTIP": "ⵔⵏⵓ ⴰⵏⴽⵛⴰⵎ ⵖⵔ ⵜⵙⵖⵏⵜ.",
+	"DIALOG_OK": "ⵡⴰⵅⵅⴰ",
+	"DIALOG_CANCEL": "ⵙⵔ"
+}
diff --git a/msg/json/zh-hans.json b/msg/json/zh-hans.json
index e807a21b64e..7bb6b4d50a9 100644
--- a/msg/json/zh-hans.json
+++ b/msg/json/zh-hans.json
@@ -1,29 +1,38 @@
 {
 	"@metadata": {
 		"authors": [
+			")8",
 			"A Chinese Wikipedian",
 			"Ambeta",
+			"Anterdc99",
+			"DGCK81LNN",
 			"Deathkon",
 			"Duzc2",
 			"Espertus",
 			"Htq110219891",
 			"Hudafu",
+			"Jin1358",
+			"Lantx",
+			"LittlePaw365",
 			"Liuxinyu970226",
 			"Luotiancheng",
 			"Muhaoying",
+			"Phoenix3145",
 			"Qiyue2001",
 			"Shatteredwind",
+			"Shimamura Sakura",
 			"Tonylianlong",
 			"WindWood",
 			"Xiaomingyan",
 			"Yfdyh000",
+			"人间百态",
 			"佛壁灯",
 			"沈澄心",
 			"아라"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "项目",
-	"UNNAMED_KEY": "匿名",
+	"UNNAMED_KEY": "未命名",
 	"TODAY": "今天",
 	"DUPLICATE_BLOCK": "复制",
 	"ADD_COMMENT": "添加注释",
@@ -49,12 +58,13 @@
 	"RENAME_VARIABLE_TITLE": "将所有“%1”变量重命名为:",
 	"NEW_VARIABLE": "创建变量...",
 	"NEW_STRING_VARIABLE": "创建字符串变量...",
-	"NEW_NUMBER_VARIABLE": "创建数字变量...",
+	"NEW_NUMBER_VARIABLE": "创建数变量...",
 	"NEW_COLOUR_VARIABLE": "创建颜色变量...",
 	"NEW_VARIABLE_TYPE_TITLE": "新变量的类型：",
 	"NEW_VARIABLE_TITLE": "新变量的名称：",
 	"VARIABLE_ALREADY_EXISTS": "名字叫“%1”的变量已经存在了。",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "名字叫“%1”的变量已经有了另一个类型：“%2”。",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "名为“%1”的变量已经作为参数存在于流程“%2”中。",
 	"DELETE_VARIABLE_CONFIRMATION": "要删除对变量“%2”的%1个引用吗？",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "不能删除变量“%1”，因为它是函数“%2”定义的一部分",
 	"DELETE_VARIABLE": "删除变量“%1”",
@@ -78,16 +88,16 @@
 	"CONTROLS_REPEAT_TOOLTIP": "多次执行一些语句。",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "当条件满足时重复",
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "重复直到条件满足",
-	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "只要值为真，执行一些语句。",
-	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "只要值为假，执行一些语句。",
-	"CONTROLS_FOR_TOOLTIP": "用变量%1记录从开始数值到终止数值之间的数值，数值按指定间隔增加，并执行指定的块。",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "只要值为真，就一直循环执行一些语句。",
+	"CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL": "只要值为假，就一直循环执行一些语句。",
+	"CONTROLS_FOR_TOOLTIP": "让变量“%1”记录开始数到结束数之间指定间隔的值，并执行指定的块。",
 	"CONTROLS_FOR_TITLE": "变量 %1 从 %2 数到 %3 每次增加 %4",
-	"CONTROLS_FOREACH_TITLE": "为列表 %2 里的每一项 %1",
+	"CONTROLS_FOREACH_TITLE": "遍历列表 %2 里的每一项 %1",
 	"CONTROLS_FOREACH_TOOLTIP": "遍历列表中的每一项，将变量“%1”设为所选项，并执行一些语句。",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK": "跳出循环",
 	"CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE": "继续下一轮循环",
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK": "跳出包含它的循环。",
-	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "跳过本轮循环的剩余部分，并继进行续下一轮迭代。",
+	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "跳过本轮循环的剩余部分，并继进行续下一轮循环。",
 	"CONTROLS_FLOW_STATEMENTS_WARNING": "警告：这个块只能在循环内使用。",
 	"CONTROLS_IF_TOOLTIP_1": "如果值为真，执行一些语句。",
 	"CONTROLS_IF_TOOLTIP_2": "如果值为真，则执行第一块语句。否则，则执行第二块语句。",
@@ -99,19 +109,6 @@
 	"CONTROLS_IF_IF_TOOLTIP": "增加、删除或重新排列各节来重新配置这个if语句块。",
 	"CONTROLS_IF_ELSEIF_TOOLTIP": "在这个if语句块中增加一个条件。",
 	"CONTROLS_IF_ELSE_TOOLTIP": "在这个if语句块中添加一个最终的，包括所有其余情况的条件。",
-	"IOS_OK": "确定",
-	"IOS_CANCEL": "取消",
-	"IOS_ERROR": "错误",
-	"IOS_PROCEDURES_INPUTS": "输入",
-	"IOS_PROCEDURES_ADD_INPUT": "+添加输入",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "允许的语句",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "这个函数有多个输入。",
-	"IOS_VARIABLES_ADD_VARIABLE": "+添加变量",
-	"IOS_VARIABLES_ADD_BUTTON": "添加",
-	"IOS_VARIABLES_RENAME_BUTTON": "重命名",
-	"IOS_VARIABLES_DELETE_BUTTON": "删除",
-	"IOS_VARIABLES_VARIABLE_NAME": "变量名",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "你不能使用空白的变量名。",
 	"LOGIC_COMPARE_HELPURL": "https://zh.wikipedia.org/wiki/不等",
 	"LOGIC_COMPARE_TOOLTIP_EQ": "如果两个输入结果相等，则返回真。",
 	"LOGIC_COMPARE_TOOLTIP_NEQ": "如果两个输入结果不相等，则返回真。",
@@ -123,155 +120,153 @@
 	"LOGIC_OPERATION_AND": "并且",
 	"LOGIC_OPERATION_TOOLTIP_OR": "如果至少有一个输入结果为真，则返回真。",
 	"LOGIC_OPERATION_OR": "或",
-	"LOGIC_NEGATE_HELPURL": "https://github.com/google/blockly/wiki/Logic#not",
-	"LOGIC_NEGATE_TITLE": "非%1",
-	"LOGIC_NEGATE_TOOLTIP": "如果输入结果为假，则返回真；如果输入结果为真，则返回假。",
-	"LOGIC_BOOLEAN_TRUE": "真",
-	"LOGIC_BOOLEAN_FALSE": "假",
-	"LOGIC_BOOLEAN_TOOLTIP": "返回真或假。",
+	"LOGIC_NEGATE_TITLE": "非 %1",
+	"LOGIC_NEGATE_TOOLTIP": "如果输入结果为false，则返回true；如果输入结果为true，则返回false。",
+	"LOGIC_BOOLEAN_TRUE": "true",
+	"LOGIC_BOOLEAN_FALSE": "false",
+	"LOGIC_BOOLEAN_TOOLTIP": "返回 true 或 false。",
 	"LOGIC_NULL": "空",
 	"LOGIC_NULL_TOOLTIP": "返回空值。",
-	"LOGIC_TERNARY_HELPURL": "https://zh.wikipedia.org/wiki/条件运算符",
+	"LOGIC_TERNARY_HELPURL": "https://zh.wikipedia.org/wiki/条件运算符%3F:",
 	"LOGIC_TERNARY_CONDITION": "断言",
-	"LOGIC_TERNARY_IF_TRUE": "如果为真",
-	"LOGIC_TERNARY_IF_FALSE": "如果为假",
+	"LOGIC_TERNARY_IF_TRUE": "如果为 true",
+	"LOGIC_TERNARY_IF_FALSE": "如果为 false",
 	"LOGIC_TERNARY_TOOLTIP": "检查“断言”里的条件语句。如果条件为真，则返回“如果为真”的值，否则，则返回“如果为假”的值。",
 	"MATH_NUMBER_HELPURL": "https://zh.wikipedia.org/wiki/数",
-	"MATH_NUMBER_TOOLTIP": "一个数值。",
+	"MATH_NUMBER_TOOLTIP": "一个数。",
+	"MATH_TRIG_SIN": "正弦",
+	"MATH_TRIG_COS": "余弦",
+	"MATH_TRIG_TAN": "正切",
+	"MATH_TRIG_ASIN": "反正弦",
+	"MATH_TRIG_ACOS": "反余弦",
+	"MATH_TRIG_ATAN": "反正切",
 	"MATH_ARITHMETIC_HELPURL": "https://zh.wikipedia.org/wiki/算术",
-	"MATH_ARITHMETIC_TOOLTIP_ADD": "返回两个数值的和。",
-	"MATH_ARITHMETIC_TOOLTIP_MINUS": "返回两个数值的差值。",
-	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "返回两个数值的乘积。",
-	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "返回两个数值的商。",
-	"MATH_ARITHMETIC_TOOLTIP_POWER": "返回以第一个数值为底数，以第二个数值为幂的结果。",
+	"MATH_ARITHMETIC_TOOLTIP_ADD": "返回两个数的和。",
+	"MATH_ARITHMETIC_TOOLTIP_MINUS": "返回两个数的差。",
+	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "返回两个数的积。",
+	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "返回两个数的商。",
+	"MATH_ARITHMETIC_TOOLTIP_POWER": "返回第一个数的第二个数次幂。",
 	"MATH_SINGLE_HELPURL": "https://zh.wikipedia.org/wiki/平方根",
 	"MATH_SINGLE_OP_ROOT": "平方根",
 	"MATH_SINGLE_TOOLTIP_ROOT": "返回一个数的平方根。",
 	"MATH_SINGLE_OP_ABSOLUTE": "绝对值",
-	"MATH_SINGLE_TOOLTIP_ABS": "返回一个数值的绝对值。",
-	"MATH_SINGLE_TOOLTIP_NEG": "返回一个数值的相反数。",
-	"MATH_SINGLE_TOOLTIP_LN": "返回一个数值的自然对数。",
-	"MATH_SINGLE_TOOLTIP_LOG10": "返回一个数值的以10为底的对数。",
-	"MATH_SINGLE_TOOLTIP_EXP": "返回一个数值的e次幂。",
-	"MATH_SINGLE_TOOLTIP_POW10": "返回一个数值的10次幂。",
+	"MATH_SINGLE_TOOLTIP_ABS": "返回一个数的绝对值。",
+	"MATH_SINGLE_TOOLTIP_NEG": "返回一个数的相反数。",
+	"MATH_SINGLE_TOOLTIP_LN": "返回一个数的自然对数。",
+	"MATH_SINGLE_TOOLTIP_LOG10": "返回一个数的以10为底的对数。",
+	"MATH_SINGLE_TOOLTIP_EXP": "返回e的一个数次幂。",
+	"MATH_SINGLE_TOOLTIP_POW10": "返回10的一个数次幂。",
 	"MATH_TRIG_HELPURL": "https://zh.wikipedia.org/wiki/三角函数",
-	"MATH_TRIG_TOOLTIP_SIN": "返回指定角度的正弦值(非弧度）。",
-	"MATH_TRIG_TOOLTIP_COS": "返回指定角度的余弦值(非弧度）。",
-	"MATH_TRIG_TOOLTIP_TAN": "返回指定角度的正切值(非弧度）。",
-	"MATH_TRIG_TOOLTIP_ASIN": "返回一个数值的反正弦值。",
-	"MATH_TRIG_TOOLTIP_ACOS": "返回一个数值的反余弦值。",
-	"MATH_TRIG_TOOLTIP_ATAN": "返回一个数值的反正切值。",
+	"MATH_TRIG_TOOLTIP_SIN": "返回角度（非弧度）的正弦。",
+	"MATH_TRIG_TOOLTIP_COS": "返回角度（非弧度）的余弦。",
+	"MATH_TRIG_TOOLTIP_TAN": "返回角度（非弧度）的正切。",
+	"MATH_TRIG_TOOLTIP_ASIN": "返回一个数的反正弦。",
+	"MATH_TRIG_TOOLTIP_ACOS": "返回一个数的反余弦。",
+	"MATH_TRIG_TOOLTIP_ATAN": "返回一个数的反正切。",
 	"MATH_CONSTANT_HELPURL": "https://zh.wikipedia.org/wiki/数学常数",
-	"MATH_CONSTANT_TOOLTIP": "返回一个常见常量：π (3.141…)、e (2.718…)、φ (1.618…)、平方根 (1.414…)、开平方根 (0.707…)或∞ (无限大)。",
+	"MATH_CONSTANT_TOOLTIP": "返回一个以下常见常数：π (3.141…)、e (2.718…)、φ (1.618…)、根号2 (1.414…)、根号½ (0.707…)或∞ (无穷)。",
 	"MATH_IS_EVEN": "是偶数",
 	"MATH_IS_ODD": "是奇数",
 	"MATH_IS_PRIME": "是质数",
 	"MATH_IS_WHOLE": "是整数",
 	"MATH_IS_POSITIVE": "是正数",
 	"MATH_IS_NEGATIVE": "是负数",
-	"MATH_IS_DIVISIBLE_BY": "可被整除",
-	"MATH_IS_TOOLTIP": "检查一个数值是否是偶数、奇数、质数、自然数、正数、负数或者是否能被某数整除。返回真或假。",
+	"MATH_IS_DIVISIBLE_BY": "可整除被",
+	"MATH_IS_TOOLTIP": "检查一个数是否是偶数、奇数、质数、整数、正数、负数，或者是否能被某数整除。返回真或假。",
 	"MATH_CHANGE_HELPURL": "https://zh.wikipedia.org/wiki/加法",
-	"MATH_CHANGE_TITLE": "将 %1 增加 %2",
-	"MATH_CHANGE_TOOLTIP": "为变量“%1”增加一个数值。",
+	"MATH_CHANGE_TITLE": "给 %1 加 %2",
+	"MATH_CHANGE_TOOLTIP": "把数加到变量“%1”。",
 	"MATH_ROUND_HELPURL": "https://zh.wikipedia.org/wiki/数值修约",
-	"MATH_ROUND_TOOLTIP": "数字向上或向下舍入。",
+	"MATH_ROUND_TOOLTIP": "数向上或向下取整。",
 	"MATH_ROUND_OPERATOR_ROUND": "四舍五入",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "向上舍入",
 	"MATH_ROUND_OPERATOR_ROUNDDOWN": "向下舍入",
-	"MATH_ONLIST_OPERATOR_SUM": "列表中数值的和",
-	"MATH_ONLIST_TOOLTIP_SUM": "返回列表中的所有数值的和。",
-	"MATH_ONLIST_OPERATOR_MIN": "列表最小值",
-	"MATH_ONLIST_TOOLTIP_MIN": "返回列表中最小值。",
-	"MATH_ONLIST_OPERATOR_MAX": "列表最大值",
-	"MATH_ONLIST_TOOLTIP_MAX": "返回列表中最大值。",
-	"MATH_ONLIST_OPERATOR_AVERAGE": "列表平均值",
-	"MATH_ONLIST_TOOLTIP_AVERAGE": "返回列表中的数值的平均值。",
-	"MATH_ONLIST_OPERATOR_MEDIAN": "列表中位数",
-	"MATH_ONLIST_TOOLTIP_MEDIAN": "返回列表中数值的中位数。",
-	"MATH_ONLIST_OPERATOR_MODE": "列表中的众数",
+	"MATH_ONLIST_OPERATOR_SUM": "列表的和",
+	"MATH_ONLIST_TOOLTIP_SUM": "返回列表内的所有数的和。",
+	"MATH_ONLIST_OPERATOR_MIN": "列表的最小数",
+	"MATH_ONLIST_TOOLTIP_MIN": "返回列表内的最小数。",
+	"MATH_ONLIST_OPERATOR_MAX": "列表的最大数",
+	"MATH_ONLIST_TOOLTIP_MAX": "返回列表内的最大数。",
+	"MATH_ONLIST_OPERATOR_AVERAGE": "列表的平均",
+	"MATH_ONLIST_TOOLTIP_AVERAGE": "返回列表内数值的平均（算术平均）。",
+	"MATH_ONLIST_OPERATOR_MEDIAN": "列表的中位数",
+	"MATH_ONLIST_TOOLTIP_MEDIAN": "返回列表内数的中位数。",
+	"MATH_ONLIST_OPERATOR_MODE": "列表的众数",
 	"MATH_ONLIST_TOOLTIP_MODE": "返回列表中的出现次数最多的项的列表。",
 	"MATH_ONLIST_OPERATOR_STD_DEV": "列表的标准差",
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "返回列表的标准差。",
-	"MATH_ONLIST_OPERATOR_RANDOM": "列表随机项",
-	"MATH_ONLIST_TOOLTIP_RANDOM": "从列表中返回一个随机的元素。",
+	"MATH_ONLIST_OPERATOR_RANDOM": "列表的随机项",
+	"MATH_ONLIST_TOOLTIP_RANDOM": "返回列表内的一个随机元素。",
 	"MATH_MODULO_HELPURL": "https://zh.wikipedia.org/wiki/模除",
-	"MATH_MODULO_TITLE": "取 %1 ÷ %2 的余数",
-	"MATH_MODULO_TOOLTIP": "返回这两个数字相除后的余数。",
+	"MATH_MODULO_TITLE": "%1 ÷ %2 的余数",
+	"MATH_MODULO_TOOLTIP": "返回两个数相除的余数。",
 	"MATH_CONSTRAIN_TITLE": "将 %1 限制在 最低 %2 到最高 %3 之间",
-	"MATH_CONSTRAIN_TOOLTIP": "将一个数值限制在两个指定的数值范围（含边界）之间。",
+	"MATH_CONSTRAIN_TOOLTIP": "把一个数限制在指定的极限（含）之间。",
 	"MATH_RANDOM_INT_HELPURL": "https://zh.wikipedia.org/wiki/随机数生成器",
 	"MATH_RANDOM_INT_TITLE": "从 %1 到 %2 范围内的随机整数",
-	"MATH_RANDOM_INT_TOOLTIP": "返回一个限制在两个指定数值的范围（含边界）之间的随机整数。",
+	"MATH_RANDOM_INT_TOOLTIP": "返回两个指定的极限（含）之间的随机整数。",
 	"MATH_RANDOM_FLOAT_HELPURL": "https://zh.wikipedia.org/wiki/随机数生成器",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "随机小数",
-	"MATH_RANDOM_FLOAT_TOOLTIP": "返回一个介于0.0到1.0之间（含边界）的随机数。",
+	"MATH_RANDOM_FLOAT_TOOLTIP": "返回一个从0.0（含）到1.0（不含）之间的随机数。",
 	"MATH_ATAN2_HELPURL": "https://zh.wikipedia.org/wiki/反正切2",
 	"MATH_ATAN2_TITLE": "点(x:%1,y:%2)的方位角",
 	"MATH_ATAN2_TOOLTIP": "返回点（X，Y）的反正切值，范围为-180到180度。",
 	"TEXT_TEXT_HELPURL": "https://zh.wikipedia.org/wiki/字符串",
-	"TEXT_TEXT_TOOLTIP": "一个字、词语或一行文本。",
-	"TEXT_JOIN_TITLE_CREATEWITH": "建立文本从",
+	"TEXT_TEXT_TOOLTIP": "一个字、词或一行文本。",
+	"TEXT_JOIN_TITLE_CREATEWITH": "创建文本，内容：",
 	"TEXT_JOIN_TOOLTIP": "通过串起任意数量的项以建立一段文本。",
-	"TEXT_CREATE_JOIN_TITLE_JOIN": "加入",
+	"TEXT_CREATE_JOIN_TITLE_JOIN": "拼接",
 	"TEXT_CREATE_JOIN_TOOLTIP": "添加、移除或重新排列各节来重新配置这个文本块。",
 	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "将一个项添加到文本中。",
-	"TEXT_APPEND_TITLE": "向%1附加文本%2",
+	"TEXT_APPEND_TITLE": "在%1之后加上文本%2",
 	"TEXT_APPEND_TOOLTIP": "将一些文本追加到变量“%1”里。",
 	"TEXT_LENGTH_TITLE": "%1的长度",
 	"TEXT_LENGTH_TOOLTIP": "返回给定文本的字母数（包括空格）。",
 	"TEXT_ISEMPTY_TITLE": "%1是空的",
 	"TEXT_ISEMPTY_TOOLTIP": "如果给定的文本为空，则返回真。",
 	"TEXT_INDEXOF_TOOLTIP": "返回第一个文本段在第二个文本段中的第一/最后一个匹配项的起始位置。如果未找到，则返回%1。",
-	"TEXT_INDEXOF_TITLE": "在文本 %1 里 %2  %3",
+	"TEXT_INDEXOF_TITLE": "在文本 %1 里 %2 %3",
 	"TEXT_INDEXOF_OPERATOR_FIRST": "寻找第一次出现的文本",
 	"TEXT_INDEXOF_OPERATOR_LAST": "寻找最后一次出现的文本",
 	"TEXT_CHARAT_TITLE": "在文本%1 里 %2",
-	"TEXT_CHARAT_FROM_START": "获取字符从#",
-	"TEXT_CHARAT_FROM_END": "获取字符从倒数#",
-	"TEXT_CHARAT_FIRST": "寻找第一个字母",
-	"TEXT_CHARAT_LAST": "寻找最后一个字母",
-	"TEXT_CHARAT_RANDOM": "寻找随机的字母",
-	"TEXT_CHARAT_TAIL": "-",
-	"TEXT_CHARAT_TOOLTIP": "返回位于指定位置的字母。",
+	"TEXT_CHARAT_FROM_START": "获取第#个字符",
+	"TEXT_CHARAT_FROM_END": "获取倒数第#个字符",
+	"TEXT_CHARAT_FIRST": "获取第一个字符",
+	"TEXT_CHARAT_LAST": "获取最后一个字符",
+	"TEXT_CHARAT_RANDOM": "获取随机一个字符",
+	"TEXT_CHARAT_TOOLTIP": "返回位于指定位置的字符。",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "返回文本中指定的一部分。",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "从文本",
-	"TEXT_GET_SUBSTRING_START_FROM_START": "取得子串自#",
-	"TEXT_GET_SUBSTRING_START_FROM_END": "取得子串自倒数#",
-	"TEXT_GET_SUBSTRING_START_FIRST": "取得子串自第一个字符",
-	"TEXT_GET_SUBSTRING_END_FROM_START": "至字符#",
-	"TEXT_GET_SUBSTRING_END_FROM_END": "到最后一个字符#",
+	"TEXT_GET_SUBSTRING_START_FROM_START": "获取子串，从第#个字符",
+	"TEXT_GET_SUBSTRING_START_FROM_END": "获取子串，从倒数第#个字符",
+	"TEXT_GET_SUBSTRING_START_FIRST": "获取子串，从第一个字符",
+	"TEXT_GET_SUBSTRING_END_FROM_START": "到第#个字符",
+	"TEXT_GET_SUBSTRING_END_FROM_END": "到倒数第#个字符",
 	"TEXT_GET_SUBSTRING_END_LAST": "到最后一个字符",
-	"TEXT_GET_SUBSTRING_TAIL": "-",
 	"TEXT_CHANGECASE_TOOLTIP": "用不同的大小写模式复制并返回这段文字。",
 	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "转为大写",
 	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "转为小写",
 	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "转为首字母大写",
 	"TEXT_TRIM_TOOLTIP": "从某一端或同时从两端删除多余的空白，并返回这段文字的一个副本。",
-	"TEXT_TRIM_OPERATOR_BOTH": "消除其两侧的空白",
-	"TEXT_TRIM_OPERATOR_LEFT": "消除其左侧的空白",
-	"TEXT_TRIM_OPERATOR_RIGHT": "消除其右侧的空白",
+	"TEXT_TRIM_OPERATOR_BOTH": "消除其两侧的空格",
+	"TEXT_TRIM_OPERATOR_LEFT": "消除其左侧的空格",
+	"TEXT_TRIM_OPERATOR_RIGHT": "消除其右侧的空格",
 	"TEXT_PRINT_TITLE": "输出%1",
-	"TEXT_PRINT_TOOLTIP": "输出指定的文字、数字或其他值。",
+	"TEXT_PRINT_TOOLTIP": "打印指定的文字、数或其他值。",
 	"TEXT_PROMPT_TYPE_TEXT": "要求输入文本，并显示提示消息",
-	"TEXT_PROMPT_TYPE_NUMBER": "要求输入数字，并显示提示消息",
-	"TEXT_PROMPT_TOOLTIP_NUMBER": "要求用户输入数字。",
+	"TEXT_PROMPT_TYPE_NUMBER": "提示输入数并显示消息",
+	"TEXT_PROMPT_TOOLTIP_NUMBER": "提示用户输入一个数。",
 	"TEXT_PROMPT_TOOLTIP_TEXT": "要求用户输入一些文本。",
 	"TEXT_COUNT_MESSAGE0": "计算%1在%2里出现的次数",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
 	"TEXT_COUNT_TOOLTIP": "计算在一段文本中，某个部分文本重复出现了多少次。",
-	"TEXT_REPLACE_MESSAGE0": "在%3中，将%1替换为%2",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
+	"TEXT_REPLACE_MESSAGE0": "把%3中的%1替换为%2",
 	"TEXT_REPLACE_TOOLTIP": "在一段文本中，将出现过的某部分文本都替换掉。",
-	"TEXT_REVERSE_MESSAGE0": "翻转文本%1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
+	"TEXT_REVERSE_MESSAGE0": "倒转文本%1",
 	"TEXT_REVERSE_TOOLTIP": "将文本中各个字符的顺序倒转。",
-	"LISTS_CREATE_EMPTY_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-empty-list",
 	"LISTS_CREATE_EMPTY_TITLE": "创建空列表",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "返回一个列表，长度为 0，不包含任何数据记录",
-	"LISTS_CREATE_WITH_HELPURL": "https://github.com/google/blockly/wiki/Lists#create-list-with",
 	"LISTS_CREATE_WITH_TOOLTIP": "建立一个具有任意数量项目的列表。",
-	"LISTS_CREATE_WITH_INPUT_WITH": "建立列表从",
+	"LISTS_CREATE_WITH_INPUT_WITH": "创建列表，内容：",
 	"LISTS_CREATE_WITH_CONTAINER_TITLE_ADD": "列表",
 	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "增加、删除或重新排列各部分以此重新配置这个列表块。",
 	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "将一个项添加到列表中。",
@@ -285,15 +280,15 @@
 	"LISTS_INDEX_OF_FIRST": "寻找第一次出现的项",
 	"LISTS_INDEX_OF_LAST": "寻找最后一次出现的项",
 	"LISTS_INDEX_OF_TOOLTIP": "返回在列表中的第一/最后一个匹配项的索引值。如果找不到项目则返回%1。",
+	"LISTS_GET_INDEX_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list",
 	"LISTS_GET_INDEX_GET": "取得",
 	"LISTS_GET_INDEX_GET_REMOVE": "取得并移除",
 	"LISTS_GET_INDEX_REMOVE": "移除",
 	"LISTS_GET_INDEX_FROM_START": "#",
-	"LISTS_GET_INDEX_FROM_END": "倒数第#",
-	"LISTS_GET_INDEX_FIRST": "第一个",
-	"LISTS_GET_INDEX_LAST": "最后一个",
-	"LISTS_GET_INDEX_RANDOM": "随机的",
-	"LISTS_GET_INDEX_TAIL": "-",
+	"LISTS_GET_INDEX_FROM_END": "倒数第#项",
+	"LISTS_GET_INDEX_FIRST": "第一项",
+	"LISTS_GET_INDEX_LAST": "最后一项",
+	"LISTS_GET_INDEX_RANDOM": "随机的一项",
 	"LISTS_INDEX_FROM_START_TOOLTIP": "%1是第一项。",
 	"LISTS_INDEX_FROM_END_TOOLTIP": "%1是最后一项。",
 	"LISTS_GET_INDEX_TOOLTIP_GET_FROM": "返回在列表中的指定位置的项。",
@@ -315,36 +310,31 @@
 	"LISTS_SET_INDEX_TOOLTIP_SET_FIRST": "设置列表中的第一项。",
 	"LISTS_SET_INDEX_TOOLTIP_SET_LAST": "设置列表中的最后一项。",
 	"LISTS_SET_INDEX_TOOLTIP_SET_RANDOM": "设置列表中的随机一项。",
-	"LISTS_SET_INDEX_TOOLTIP_INSERT_FROM": "插入在列表中指定位置的项。",
+	"LISTS_SET_INDEX_TOOLTIP_INSERT_FROM": "在列表中指定位置插入项。",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "在列表的起始处添加该项。",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "在列表的末尾处添加该项。",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "在列表的随机位置插入该项。",
-	"LISTS_GET_SUBLIST_START_FROM_START": "获取子列表从#",
-	"LISTS_GET_SUBLIST_START_FROM_END": "获取子列表从最后一个#",
-	"LISTS_GET_SUBLIST_START_FIRST": "获取子列表从第一个",
-	"LISTS_GET_SUBLIST_END_FROM_START": "到#",
-	"LISTS_GET_SUBLIST_END_FROM_END": "到倒数第#",
-	"LISTS_GET_SUBLIST_END_LAST": "到最后",
-	"LISTS_GET_SUBLIST_TAIL": "-",
+	"LISTS_GET_SUBLIST_START_FROM_START": "获取子列表，从第#项",
+	"LISTS_GET_SUBLIST_START_FROM_END": "获取子列表，从倒数第#项",
+	"LISTS_GET_SUBLIST_START_FIRST": "获取子列表，从第一项",
+	"LISTS_GET_SUBLIST_END_FROM_START": "到第#项",
+	"LISTS_GET_SUBLIST_END_FROM_END": "到倒数第#项",
+	"LISTS_GET_SUBLIST_END_LAST": "到最后一项",
 	"LISTS_GET_SUBLIST_TOOLTIP": "复制列表中指定的部分。",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "排序%1 %2 %3",
-	"LISTS_SORT_TOOLTIP": "排序一个列表的拷贝。",
+	"LISTS_SORT_TOOLTIP": "排序一个列表，返回副本。",
 	"LISTS_SORT_ORDER_ASCENDING": "升序",
 	"LISTS_SORT_ORDER_DESCENDING": "降序",
-	"LISTS_SORT_TYPE_NUMERIC": "按数字排序",
-	"LISTS_SORT_TYPE_TEXT": "按字母排序",
-	"LISTS_SORT_TYPE_IGNORECASE": "按字母排序，忽略大小写",
-	"LISTS_SPLIT_HELPURL": "https://github.com/google/blockly/wiki/Lists#splitting-strings-and-joining-lists",
+	"LISTS_SORT_TYPE_NUMERIC": "按数字",
+	"LISTS_SORT_TYPE_TEXT": "按字母",
+	"LISTS_SORT_TYPE_IGNORECASE": "按字母（忽略大小写）",
 	"LISTS_SPLIT_LIST_FROM_TEXT": "从文本制作列表",
-	"LISTS_SPLIT_TEXT_FROM_LIST": "从列表拆出文本",
-	"LISTS_SPLIT_WITH_DELIMITER": "用分隔符",
-	"LISTS_SPLIT_TOOLTIP_SPLIT": "拆分文本到文本列表，按每个分隔符拆分。",
+	"LISTS_SPLIT_TEXT_FROM_LIST": "将列表合并为文本",
+	"LISTS_SPLIT_WITH_DELIMITER": "分隔符：",
+	"LISTS_SPLIT_TOOLTIP_SPLIT": "将文本按指定的分隔符拆分为文本组成的列表。",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "加入文本列表至一个文本，由分隔符分隔。",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "倒转%1",
-	"LISTS_REVERSE_TOOLTIP": "倒转一个列表的拷贝。",
-	"ORDINAL_NUMBER_SUFFIX": "-",
+	"LISTS_REVERSE_TOOLTIP": "倒转一个列表，返回副本。",
 	"VARIABLES_GET_TOOLTIP": "返回此变量的值。",
 	"VARIABLES_GET_CREATE_SET": "创建“设定%1”",
 	"VARIABLES_SET": "赋值 %1 为 %2",
@@ -355,7 +345,6 @@
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "做点什么",
 	"PROCEDURES_BEFORE_PARAMS": "与：",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "与：",
-	"PROCEDURES_DEFNORETURN_DO": "-",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "创建一个不带输出值的函数。",
 	"PROCEDURES_DEFNORETURN_COMMENT": "描述该功能...",
 	"PROCEDURES_DEFRETURN_HELPURL": "https://zh.wikipedia.org/wiki/子程序",
@@ -374,9 +363,10 @@
 	"PROCEDURES_HIGHLIGHT_DEF": "突出显示函数定义",
 	"PROCEDURES_CREATE_DO": "创建“%1”",
 	"PROCEDURES_IFRETURN_TOOLTIP": "如果值为真，则返回第二个值。",
-	"PROCEDURES_IFRETURN_HELPURL": "http://c2.com/cgi/wiki?GuardClause",
 	"PROCEDURES_IFRETURN_WARNING": "警告：这个块只能在函数内部使用。",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "说点什么...",
 	"WORKSPACE_ARIA_LABEL": "Blockly工作区",
-	"COLLAPSED_WARNINGS_WARNING": "已收起的信息块内包含警告。"
+	"COLLAPSED_WARNINGS_WARNING": "已收起的信息块内包含警告。",
+	"DIALOG_OK": "确认",
+	"DIALOG_CANCEL": "取消"
 }
diff --git a/msg/json/zh-hant.json b/msg/json/zh-hant.json
index b0e8bc2f069..16084e23b1c 100644
--- a/msg/json/zh-hant.json
+++ b/msg/json/zh-hant.json
@@ -5,35 +5,40 @@
 			"Dnow",
 			"Dnowba",
 			"Gasolin",
+			"HellojoeAoPS",
 			"Jessica1213",
 			"Kasimtan",
 			"Kly",
 			"LNDDYL",
 			"Liuxinyu970226",
+			"Sdovan1",
+			"Sean0115",
 			"Wehwei",
+			"列维劳德",
 			"和平至上",
+			"捍粵者",
 			"沈澄心"
 		]
 	},
 	"VARIABLES_DEFAULT_NAME": "項目",
 	"UNNAMED_KEY": "未命名",
 	"TODAY": "今天",
-	"DUPLICATE_BLOCK": "複製",
-	"ADD_COMMENT": "加入註解",
+	"DUPLICATE_BLOCK": "再製",
+	"ADD_COMMENT": "添加評論",
 	"REMOVE_COMMENT": "移除註解",
 	"DUPLICATE_COMMENT": "複製註解",
 	"EXTERNAL_INPUTS": "外部輸入",
 	"INLINE_INPUTS": "單行輸入",
 	"DELETE_BLOCK": "刪除區塊",
-	"DELETE_X_BLOCKS": "刪除%1個積木",
+	"DELETE_X_BLOCKS": "刪除%1個區塊",
 	"DELETE_ALL_BLOCKS": "刪除全部 %1 個區塊？",
-	"CLEAN_UP": "整理積木",
+	"CLEAN_UP": "清理區塊",
 	"COLLAPSE_BLOCK": "收合區塊",
-	"COLLAPSE_ALL": "收合積木",
+	"COLLAPSE_ALL": "收合區塊",
 	"EXPAND_BLOCK": "展開區塊",
-	"EXPAND_ALL": "展開積木",
+	"EXPAND_ALL": "展開區塊",
 	"DISABLE_BLOCK": "停用區塊",
-	"ENABLE_BLOCK": "啟用積木",
+	"ENABLE_BLOCK": "啟用區塊",
 	"HELP": "說明",
 	"UNDO": "還原",
 	"REDO": "重做",
@@ -43,11 +48,12 @@
 	"NEW_VARIABLE": "建立變數…",
 	"NEW_STRING_VARIABLE": "建立字串變數……",
 	"NEW_NUMBER_VARIABLE": "建立數值變數……",
-	"NEW_COLOUR_VARIABLE": "建立顏色變數……",
+	"NEW_COLOUR_VARIABLE": "建立顏色變數…",
 	"NEW_VARIABLE_TYPE_TITLE": "新變數類型：",
 	"NEW_VARIABLE_TITLE": "新變數名稱：",
 	"VARIABLE_ALREADY_EXISTS": "已存在變數「%1」。",
 	"VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE": "已存在名為「%1」，且用於其它類型「%2」的變數。",
+	"VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER": "已存在名為「%1」的變數，該變數作為程序「%2」的參數使用。",
 	"DELETE_VARIABLE_CONFIRMATION": "刪除使用%1次的「%2」變數？",
 	"CANNOT_DELETE_VARIABLE_PROCEDURE": "無法刪除變數「%1」，因為這是功能「%2」定義的一部份內容",
 	"DELETE_VARIABLE": "刪除變數「%1」",
@@ -68,7 +74,7 @@
 	"CONTROLS_REPEAT_HELPURL": "https://zh.wikipedia.org/wiki/For迴圈",
 	"CONTROLS_REPEAT_TITLE": "重複%1次",
 	"CONTROLS_REPEAT_INPUT_DO": "執行",
-	"CONTROLS_REPEAT_TOOLTIP": "重複執行指定的陳述式多次。",
+	"CONTROLS_REPEAT_TOOLTIP": "重複執行某些陳述式多次。",
 	"CONTROLS_WHILEUNTIL_OPERATOR_WHILE": "重複，當",
 	"CONTROLS_WHILEUNTIL_OPERATOR_UNTIL": "重複直到",
 	"CONTROLS_WHILEUNTIL_TOOLTIP_WHILE": "當值為 true 時，執行一些陳述式。",
@@ -83,59 +89,52 @@
 	"CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE": "跳過這個循環的其餘步驟，並繼續下一次的循環。",
 	"CONTROLS_FLOW_STATEMENTS_WARNING": "警告：此區塊僅可用於循環內。",
 	"CONTROLS_IF_TOOLTIP_1": "當值為 true 時，執行一些陳述式。",
-	"CONTROLS_IF_TOOLTIP_2": "當值為 true 時，執行第一個陳述式。否則，執行第二個陳述式。",
-	"CONTROLS_IF_TOOLTIP_3": "如果第一個值為 true，則執行第一個陳述式。否則，當第二個值為 true 時，則執行第二個陳述式。",
-	"CONTROLS_IF_TOOLTIP_4": "如果第一個值為 true，則執行第一個陳述式。否則當第二個值為 true 時，則執行第二個陳述式。如果前幾個敘述都不為 ture，則執行最後一個陳述式。",
+	"CONTROLS_IF_TOOLTIP_2": "如果值為 true 就執行第一塊陳述式，否則執行第二塊。",
+	"CONTROLS_IF_TOOLTIP_3": "如果第一個值為 true，則執行第一塊陳述式。否則，當第二個值為 true 時，則執行第二塊陳述式。",
+	"CONTROLS_IF_TOOLTIP_4": "如果第一個值為 true，則執行第一塊陳述式。否則當第二個值為 true 時，則執行第二塊陳述式。如果前幾個敘述都不為 true，則執行最後一塊陳述式。",
 	"CONTROLS_IF_MSG_IF": "如果",
 	"CONTROLS_IF_MSG_ELSEIF": "否則，如果",
 	"CONTROLS_IF_MSG_ELSE": "否則",
 	"CONTROLS_IF_IF_TOOLTIP": "添加、刪除或重新排列各部份以重新配置這個「如果」區塊。",
-	"CONTROLS_IF_ELSEIF_TOOLTIP": "添加條件到「如果」積木。",
-	"CONTROLS_IF_ELSE_TOOLTIP": "加入一個最終、所有條件都執行的部份到「如果」區塊中。",
-	"IOS_OK": "確定",
-	"IOS_CANCEL": "取消",
-	"IOS_ERROR": "錯誤",
-	"IOS_PROCEDURES_INPUTS": "輸入",
-	"IOS_PROCEDURES_ADD_INPUT": "+ 添加輸入",
-	"IOS_PROCEDURES_ALLOW_STATEMENTS": "允許加入陳述式",
-	"IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR": "此功能有多個輸入內容。",
-	"IOS_VARIABLES_ADD_VARIABLE": "+ 添加變數",
-	"IOS_VARIABLES_ADD_BUTTON": "添加",
-	"IOS_VARIABLES_RENAME_BUTTON": "重新命名",
-	"IOS_VARIABLES_DELETE_BUTTON": "刪除",
-	"IOS_VARIABLES_VARIABLE_NAME": "變數名稱",
-	"IOS_VARIABLES_EMPTY_NAME_ERROR": "您不能使用空的變數名稱。",
+	"CONTROLS_IF_ELSEIF_TOOLTIP": "添加條件到「如果」區塊。",
+	"CONTROLS_IF_ELSE_TOOLTIP": "添加一個最終、所有條件都執行的部份到「如果」區塊中。",
 	"LOGIC_COMPARE_HELPURL": "https://zh.wikipedia.org/wiki/不等",
-	"LOGIC_COMPARE_TOOLTIP_EQ": "如果這兩個輸入區塊的結果相等，返回 true。",
-	"LOGIC_COMPARE_TOOLTIP_NEQ": "如果這兩個輸入區塊的結果不相等，返回 true。",
+	"LOGIC_COMPARE_TOOLTIP_EQ": "如果兩個輸入的結果相等，返回 true。",
+	"LOGIC_COMPARE_TOOLTIP_NEQ": "如果兩個輸入的結果不相等，返回 true。",
 	"LOGIC_COMPARE_TOOLTIP_LT": "如果第一個輸入結果比第二個小，返回 true。",
 	"LOGIC_COMPARE_TOOLTIP_LTE": "如果第一個輸入結果小於或等於第二個，返回 true。",
 	"LOGIC_COMPARE_TOOLTIP_GT": "如果第一個輸入結果大於第二個，返回 true。",
 	"LOGIC_COMPARE_TOOLTIP_GTE": "如果第一個輸入結果大於或等於第二個，返回 true。",
 	"LOGIC_OPERATION_TOOLTIP_AND": "如果兩個輸入結果都為 true，則返回 true。",
-	"LOGIC_OPERATION_AND": "和",
+	"LOGIC_OPERATION_AND": "且",
 	"LOGIC_OPERATION_TOOLTIP_OR": "如果至少一個輸入結果為 true，返回 true。",
 	"LOGIC_OPERATION_OR": "或",
 	"LOGIC_NEGATE_TITLE": "%1 不成立",
-	"LOGIC_NEGATE_TOOLTIP": "如果輸入結果是 false，則返回 true。如果輸入結果是 true，則返回 false。",
+	"LOGIC_NEGATE_TOOLTIP": "如果輸入結果是 false，則返回 true；如果輸入結果是 true，則返回 false。",
 	"LOGIC_BOOLEAN_TRUE": "真",
 	"LOGIC_BOOLEAN_FALSE": "假",
 	"LOGIC_BOOLEAN_TOOLTIP": "返回真或假。",
 	"LOGIC_NULL": "空",
 	"LOGIC_NULL_TOOLTIP": "返回空值。",
-	"LOGIC_TERNARY_HELPURL": "https://zh.wikipedia.org/wiki/條件運算符",
+	"LOGIC_TERNARY_HELPURL": "https://en.wikipedia.org/wiki/%3F:",
 	"LOGIC_TERNARY_CONDITION": "測試",
 	"LOGIC_TERNARY_IF_TRUE": "如果為真",
 	"LOGIC_TERNARY_IF_FALSE": "如果為假",
 	"LOGIC_TERNARY_TOOLTIP": "檢查「測試」中的條件。如果條件為真，將返回「如果為真」的值；否則，返回「如果為假」的值。",
 	"MATH_NUMBER_HELPURL": "https://zh.wikipedia.org/wiki/數",
-	"MATH_NUMBER_TOOLTIP": "一個數字。",
+	"MATH_NUMBER_TOOLTIP": "數字",
+	"MATH_TRIG_SIN": "正弦",
+	"MATH_TRIG_COS": "餘弦",
+	"MATH_TRIG_TAN": "正切",
+	"MATH_TRIG_ASIN": "反正弦",
+	"MATH_TRIG_ACOS": "反餘弦",
+	"MATH_TRIG_ATAN": "反正切",
 	"MATH_ARITHMETIC_HELPURL": "https://zh.wikipedia.org/wiki/算術",
 	"MATH_ARITHMETIC_TOOLTIP_ADD": "返回兩個數字的總和。",
-	"MATH_ARITHMETIC_TOOLTIP_MINUS": "返回兩個數字的差。",
+	"MATH_ARITHMETIC_TOOLTIP_MINUS": "傳回兩數之差。",
 	"MATH_ARITHMETIC_TOOLTIP_MULTIPLY": "返回兩個數字的乘積。",
-	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "返回兩個數字的商。",
-	"MATH_ARITHMETIC_TOOLTIP_POWER": "返回第二個數字的指數的第一個數字。",
+	"MATH_ARITHMETIC_TOOLTIP_DIVIDE": "傳回兩數之商。",
+	"MATH_ARITHMETIC_TOOLTIP_POWER": "返回以第一個數值為底數，以第二個數值為冪的結果。",
 	"MATH_SINGLE_HELPURL": "https://zh.wikipedia.org/wiki/平方根",
 	"MATH_SINGLE_OP_ROOT": "開根號",
 	"MATH_SINGLE_TOOLTIP_ROOT": "返回指定數字的平方根。",
@@ -144,15 +143,15 @@
 	"MATH_SINGLE_TOOLTIP_NEG": "返回指定數字的相反數。",
 	"MATH_SINGLE_TOOLTIP_LN": "返回指定數字的自然對數。",
 	"MATH_SINGLE_TOOLTIP_LOG10": "返回指定數字的對數。",
-	"MATH_SINGLE_TOOLTIP_EXP": "返回指定數字指數的e的冪次。",
-	"MATH_SINGLE_TOOLTIP_POW10": "返回指定數字指數的10的冪次。",
+	"MATH_SINGLE_TOOLTIP_EXP": "返回e的指定數字次冪。",
+	"MATH_SINGLE_TOOLTIP_POW10": "返回10的指定數字次冪。",
 	"MATH_TRIG_HELPURL": "https://zh.wikipedia.org/wiki/三角函數",
 	"MATH_TRIG_TOOLTIP_SIN": "返回指定角度的正弦值(非弧度）。",
 	"MATH_TRIG_TOOLTIP_COS": "返回指定角度的餘弦值(非弧度）。",
 	"MATH_TRIG_TOOLTIP_TAN": "返回指定角度的正切值(非弧度）。",
 	"MATH_TRIG_TOOLTIP_ASIN": "返回指定角度的反正弦值(非弧度）。",
-	"MATH_TRIG_TOOLTIP_ACOS": "返回指定角度的反餘弦值(非弧度）。",
-	"MATH_TRIG_TOOLTIP_ATAN": "返回指定角度的反正切值。",
+	"MATH_TRIG_TOOLTIP_ACOS": "返回指定數字的反餘弦值。",
+	"MATH_TRIG_TOOLTIP_ATAN": "返回指定數字的反正切值。",
 	"MATH_CONSTANT_HELPURL": "https://zh.wikipedia.org/wiki/數學常數",
 	"MATH_CONSTANT_TOOLTIP": "返回一個的常見常量： π (3.141......)，e (2.718...)、 φ (1.618...)、 開方(2) (1.414......)、 開方(½) (0.707......) 或 ∞ （無窮大）。",
 	"MATH_IS_EVEN": "是偶數",
@@ -167,51 +166,51 @@
 	"MATH_CHANGE_TITLE": "修改 %1 自 %2",
 	"MATH_CHANGE_TOOLTIP": "將數字加到變數「%1」。",
 	"MATH_ROUND_HELPURL": "https://zh.wikipedia.org/wiki/數值簡化",
-	"MATH_ROUND_TOOLTIP": "將數字無條件進位或無條件捨去。",
+	"MATH_ROUND_TOOLTIP": "上捨入或下捨入數字",
 	"MATH_ROUND_OPERATOR_ROUND": "四捨五入",
 	"MATH_ROUND_OPERATOR_ROUNDUP": "無條件進位",
 	"MATH_ROUND_OPERATOR_ROUNDDOWN": "無條件捨去",
-	"MATH_ONLIST_OPERATOR_SUM": "數字總和 自清單",
+	"MATH_ONLIST_OPERATOR_SUM": "清單中數值的和",
 	"MATH_ONLIST_TOOLTIP_SUM": "返回清單中的所有數字的總和。",
-	"MATH_ONLIST_OPERATOR_MIN": "最小值 自清單",
-	"MATH_ONLIST_TOOLTIP_MIN": "返回清單項目中最小的數字。",
-	"MATH_ONLIST_OPERATOR_MAX": "最大值 自清單",
-	"MATH_ONLIST_TOOLTIP_MAX": "返回清單項目中最大的數字。",
-	"MATH_ONLIST_OPERATOR_AVERAGE": "平均數 自清單",
+	"MATH_ONLIST_OPERATOR_MIN": "清單的最小數字",
+	"MATH_ONLIST_TOOLTIP_MIN": "返回清單中最小的數字。",
+	"MATH_ONLIST_OPERATOR_MAX": "清單的最大數字",
+	"MATH_ONLIST_TOOLTIP_MAX": "返回清單中最大的數字。",
+	"MATH_ONLIST_OPERATOR_AVERAGE": "清單的平均數",
 	"MATH_ONLIST_TOOLTIP_AVERAGE": "返回清單中數值的平均值（算術平均值）。",
-	"MATH_ONLIST_OPERATOR_MEDIAN": "中位數 自清單",
+	"MATH_ONLIST_OPERATOR_MEDIAN": "清單的中位數",
 	"MATH_ONLIST_TOOLTIP_MEDIAN": "返回清單中數值的中位數。",
-	"MATH_ONLIST_OPERATOR_MODE": "比較眾數 自清單",
-	"MATH_ONLIST_TOOLTIP_MODE": "返回一個清單中的最常見的項目。",
-	"MATH_ONLIST_OPERATOR_STD_DEV": "標準差 自清單",
+	"MATH_ONLIST_OPERATOR_MODE": "清單中的眾數",
+	"MATH_ONLIST_TOOLTIP_MODE": "返回一個清單中的最常見的項目列表。",
+	"MATH_ONLIST_OPERATOR_STD_DEV": "清單的標準差",
 	"MATH_ONLIST_TOOLTIP_STD_DEV": "返回清單中數字的標準差。",
-	"MATH_ONLIST_OPERATOR_RANDOM": "隨機抽取 自清單",
+	"MATH_ONLIST_OPERATOR_RANDOM": "清單中的隨機一項",
 	"MATH_ONLIST_TOOLTIP_RANDOM": "從清單中返回一個隨機的項目。",
 	"MATH_MODULO_HELPURL": "https://zh.wikipedia.org/wiki/模除",
 	"MATH_MODULO_TITLE": "%1 除以 %2 的餘數",
-	"MATH_MODULO_TOOLTIP": "回傳兩個數字相除的餘數。",
+	"MATH_MODULO_TOOLTIP": "返回兩個數字相除的餘數。",
 	"MATH_CONSTRAIN_TITLE": "限制數字 %1 介於（低）%2 到（高）%3",
 	"MATH_CONSTRAIN_TOOLTIP": "限制數字介於兩個指定的數字之間（包含）。",
 	"MATH_RANDOM_INT_HELPURL": "https://zh.wikipedia.org/wiki/隨機數生成器",
-	"MATH_RANDOM_INT_TITLE": "隨機取數 %1 到 %2",
-	"MATH_RANDOM_INT_TOOLTIP": "在指定二個數之間隨機取一個數（包含）。",
+	"MATH_RANDOM_INT_TITLE": "隨機取整數 %1 到 %2",
+	"MATH_RANDOM_INT_TOOLTIP": "在指定二個數之間隨機取一個整數（包含）。",
 	"MATH_RANDOM_FLOAT_HELPURL": "https://zh.wikipedia.org/wiki/隨機數生成器",
 	"MATH_RANDOM_FLOAT_TITLE_RANDOM": "隨機取分數",
-	"MATH_RANDOM_FLOAT_TOOLTIP": "在 0.0（包含）和 1.0（不包含）之間隨機取一個數。",
+	"MATH_RANDOM_FLOAT_TOOLTIP": "在 0.0（包含）和 1.0（不包含）之間隨機取一個分數。",
 	"MATH_ATAN2_HELPURL": "https://zh.wikipedia.org/wiki/Atan2",
 	"MATH_ATAN2_TITLE": "X:%1 Y:%2 的 Atan2",
 	"MATH_ATAN2_TOOLTIP": "回傳點（X，Y）從 -180 至 180 度的反正切值。",
 	"TEXT_TEXT_HELPURL": "https://zh.wikipedia.org/wiki/字串",
-	"TEXT_TEXT_TOOLTIP": "一個字元、一個單詞，或一串文字。",
+	"TEXT_TEXT_TOOLTIP": "一個字母、一個字詞或一行字",
 	"TEXT_JOIN_TITLE_CREATEWITH": "字串組合",
 	"TEXT_JOIN_TOOLTIP": "通過連接任意數量的項目來建立一串文字。",
-	"TEXT_CREATE_JOIN_TITLE_JOIN": "加入",
+	"TEXT_CREATE_JOIN_TITLE_JOIN": "串連",
 	"TEXT_CREATE_JOIN_TOOLTIP": "添加、刪除或重新排列各部份以重新配置這個文字區塊。",
 	"TEXT_CREATE_JOIN_ITEM_TOOLTIP": "添加一個項目到字串中。",
 	"TEXT_APPEND_TITLE": "至 %1 套用文字 %2",
 	"TEXT_APPEND_TOOLTIP": "添加一些文字到變數「%1」之後。",
-	"TEXT_LENGTH_TITLE": "長度 %1",
-	"TEXT_LENGTH_TOOLTIP": "返回這串文字的字元數（包含空格）。",
+	"TEXT_LENGTH_TITLE": "%1的長度",
+	"TEXT_LENGTH_TOOLTIP": "返回這串文字的字母數（包含空格）。",
 	"TEXT_ISEMPTY_TITLE": "%1 為空",
 	"TEXT_ISEMPTY_TOOLTIP": "如果提供的字串為空，則返回 true。",
 	"TEXT_INDEXOF_TOOLTIP": "在字串1中檢索是否有包含字串2，如果有，返回從頭/倒數算起的索引值。如果沒有則返回 %1。",
@@ -219,42 +218,39 @@
 	"TEXT_INDEXOF_OPERATOR_FIRST": "從 最前面 索引字串",
 	"TEXT_INDEXOF_OPERATOR_LAST": "從 最後面 索引字串",
 	"TEXT_CHARAT_TITLE": "在文字 %1 %2",
-	"TEXT_CHARAT_FROM_START": "取得 字元 #",
-	"TEXT_CHARAT_FROM_END": "取得 倒數第 # 個字元",
-	"TEXT_CHARAT_FIRST": "取得 第一個字元",
-	"TEXT_CHARAT_LAST": "取得 最後一個字元",
-	"TEXT_CHARAT_RANDOM": "取得 任意字元",
-	"TEXT_CHARAT_TOOLTIP": "返回位於指定位置的字元。",
+	"TEXT_CHARAT_FROM_START": "取得第 # 個字母",
+	"TEXT_CHARAT_FROM_END": "取得倒數第 # 個字母",
+	"TEXT_CHARAT_FIRST": "取得第一個字母",
+	"TEXT_CHARAT_LAST": "取得最後一個字母",
+	"TEXT_CHARAT_RANDOM": "取得隨機字母",
+	"TEXT_CHARAT_TOOLTIP": "回傳位於指定位置的字母。",
 	"TEXT_GET_SUBSTRING_TOOLTIP": "返回指定的部分文字。",
 	"TEXT_GET_SUBSTRING_INPUT_IN_TEXT": "在字串",
-	"TEXT_GET_SUBSTRING_START_FROM_START": "取得 字元 #",
-	"TEXT_GET_SUBSTRING_START_FROM_END": "取得 倒數第 # 個字元",
-	"TEXT_GET_SUBSTRING_START_FIRST": "取得 第一個字元",
-	"TEXT_GET_SUBSTRING_END_FROM_START": "到 字元 #",
-	"TEXT_GET_SUBSTRING_END_FROM_END": "到 倒數第 # 個字元",
-	"TEXT_GET_SUBSTRING_END_LAST": "到 最後一個字元",
+	"TEXT_GET_SUBSTRING_START_FROM_START": "取得子字串從第 # 個字母",
+	"TEXT_GET_SUBSTRING_START_FROM_END": "取得子字串從倒數第 # 個字母",
+	"TEXT_GET_SUBSTRING_START_FIRST": "取得子字串從第一個字母",
+	"TEXT_GET_SUBSTRING_END_FROM_START": "到第 # 個字母",
+	"TEXT_GET_SUBSTRING_END_FROM_END": "到倒數第 # 個字母",
+	"TEXT_GET_SUBSTRING_END_LAST": "到最後一個字母",
 	"TEXT_CHANGECASE_TOOLTIP": "使用不同的大小寫複製這段文字。",
-	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "轉成 英文大寫",
-	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "轉成 英文小寫",
-	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "轉成 英文首字大寫",
+	"TEXT_CHANGECASE_OPERATOR_UPPERCASE": "轉成英文大寫",
+	"TEXT_CHANGECASE_OPERATOR_LOWERCASE": "轉成英文小寫",
+	"TEXT_CHANGECASE_OPERATOR_TITLECASE": "轉成英文首字大寫",
 	"TEXT_TRIM_TOOLTIP": "複製這段文字，同時刪除兩端多餘的空格。",
 	"TEXT_TRIM_OPERATOR_BOTH": "消除兩側空格",
 	"TEXT_TRIM_OPERATOR_LEFT": "消除左側空格",
 	"TEXT_TRIM_OPERATOR_RIGHT": "消除右側空格",
 	"TEXT_PRINT_TITLE": "輸出 %1",
 	"TEXT_PRINT_TOOLTIP": "輸出指定的文字、 數字或其他值。",
-	"TEXT_PROMPT_TYPE_TEXT": "輸入 文字 並顯示提示訊息",
-	"TEXT_PROMPT_TYPE_NUMBER": "輸入 數字 並顯示提示訊息",
-	"TEXT_PROMPT_TOOLTIP_NUMBER": "輸入數字",
-	"TEXT_PROMPT_TOOLTIP_TEXT": "輸入文字",
-	"TEXT_COUNT_MESSAGE0": "在%2計算%1",
-	"TEXT_COUNT_HELPURL": "https://github.com/google/blockly/wiki/Text#counting-substrings",
-	"TEXT_COUNT_TOOLTIP": "計算某些文字在內容裡的出現次數。",
+	"TEXT_PROMPT_TYPE_TEXT": "要求輸入文字，並顯示提示訊息",
+	"TEXT_PROMPT_TYPE_NUMBER": "要求輸入數字，並顯示提示訊息",
+	"TEXT_PROMPT_TOOLTIP_NUMBER": "要求用戶輸入數字",
+	"TEXT_PROMPT_TOOLTIP_TEXT": "要求用戶輸入文字",
+	"TEXT_COUNT_MESSAGE0": "計算%1在%2裡出現的次數",
+	"TEXT_COUNT_TOOLTIP": "計算在一段文本中，某個部分文本重複出現了多少次。",
 	"TEXT_REPLACE_MESSAGE0": "在%3以%2取代%1",
-	"TEXT_REPLACE_HELPURL": "https://github.com/google/blockly/wiki/Text#replacing-substrings",
 	"TEXT_REPLACE_TOOLTIP": "取代在內容裡的全部某些文字。",
 	"TEXT_REVERSE_MESSAGE0": "反轉%1",
-	"TEXT_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Text#reversing-text",
 	"TEXT_REVERSE_TOOLTIP": "反轉排序在文字裡的字元。",
 	"LISTS_CREATE_EMPTY_TITLE": "建立空的清單",
 	"LISTS_CREATE_EMPTY_TOOLTIP": "返回一個長度（項目數量）為 0 的清單，不包含任何資料記錄",
@@ -264,7 +260,7 @@
 	"LISTS_CREATE_WITH_CONTAINER_TOOLTIP": "添加、刪除或重新排列各部份以重新配置這個清單區塊。",
 	"LISTS_CREATE_WITH_ITEM_TOOLTIP": "添加一個項目到清單裡。",
 	"LISTS_REPEAT_TOOLTIP": "建立一個清單，項目中包含指定重複次數的值。",
-	"LISTS_REPEAT_TITLE": "建立清單使用項目 %1 重複 %2 次",
+	"LISTS_REPEAT_TITLE": "使用項目 %1 重複 %2 次建立清單",
 	"LISTS_LENGTH_TITLE": "長度 %1",
 	"LISTS_LENGTH_TOOLTIP": "返回清單的長度（項目數）。",
 	"LISTS_ISEMPTY_TITLE": "%1 值為空",
@@ -273,9 +269,11 @@
 	"LISTS_INDEX_OF_FIRST": "從 最前面 索引項目",
 	"LISTS_INDEX_OF_LAST": "從 最後面 索引項目",
 	"LISTS_INDEX_OF_TOOLTIP": "在清單中檢索是否有包含項目，如果有，返回從頭/倒數算起的索引值。如果沒有則返回 %1。",
+	"LISTS_GET_INDEX_HELPURL": "https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list",
 	"LISTS_GET_INDEX_GET": "取得",
 	"LISTS_GET_INDEX_GET_REMOVE": "取得並移除",
 	"LISTS_GET_INDEX_REMOVE": "移除",
+	"LISTS_GET_INDEX_FROM_START": "#",
 	"LISTS_GET_INDEX_FROM_END": "倒數第 # 筆",
 	"LISTS_GET_INDEX_FIRST": "第一筆",
 	"LISTS_GET_INDEX_LAST": "最後一筆",
@@ -305,14 +303,13 @@
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST": "添加一個項目到清單中的第一個位置。",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_LAST": "添加一個項目到清單中的最後一個位置。",
 	"LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM": "添加一個項目到清單中的隨機位置。",
-	"LISTS_GET_SUBLIST_START_FROM_START": "取得子清單 從 #",
-	"LISTS_GET_SUBLIST_START_FROM_END": "取得子清單 從 # 倒數",
-	"LISTS_GET_SUBLIST_START_FIRST": "取得子清單 從 最前面",
+	"LISTS_GET_SUBLIST_START_FROM_START": "從 #取得子清單",
+	"LISTS_GET_SUBLIST_START_FROM_END": "從倒數# 取得子清單",
+	"LISTS_GET_SUBLIST_START_FIRST": "從最前面取得子清單",
 	"LISTS_GET_SUBLIST_END_FROM_START": "到 #",
-	"LISTS_GET_SUBLIST_END_FROM_END": "到 # 倒數",
+	"LISTS_GET_SUBLIST_END_FROM_END": "到倒數 #",
 	"LISTS_GET_SUBLIST_END_LAST": "到 最後面",
 	"LISTS_GET_SUBLIST_TOOLTIP": "複製清單中指定的部分。",
-	"LISTS_SORT_HELPURL": "https://github.com/google/blockly/wiki/Lists#sorting-a-list",
 	"LISTS_SORT_TITLE": "排列 %1 %2 %3",
 	"LISTS_SORT_TOOLTIP": "排序清單的複製內容。",
 	"LISTS_SORT_ORDER_ASCENDING": "升序",
@@ -325,7 +322,6 @@
 	"LISTS_SPLIT_WITH_DELIMITER": "用分隔符",
 	"LISTS_SPLIT_TOOLTIP_SPLIT": "將文本變成清單項目，按分隔符號拆分。",
 	"LISTS_SPLIT_TOOLTIP_JOIN": "串起清單項目成一個文本，並用分隔符號分開。",
-	"LISTS_REVERSE_HELPURL": "https://github.com/google/blockly/wiki/Lists#reversing-a-list",
 	"LISTS_REVERSE_MESSAGE0": "反轉%1",
 	"LISTS_REVERSE_TOOLTIP": "反轉清單的複製內容。",
 	"VARIABLES_GET_TOOLTIP": "返回此變數的值。",
@@ -338,6 +334,7 @@
 	"PROCEDURES_DEFNORETURN_PROCEDURE": "做些什麼",
 	"PROCEDURES_BEFORE_PARAMS": "與：",
 	"PROCEDURES_CALL_BEFORE_PARAMS": "與：",
+	"PROCEDURES_CALL_DISABLED_DEF_WARNING": "無法執行使用者定義的函式「%1」，因為定義區塊已停用。",
 	"PROCEDURES_DEFNORETURN_TOOLTIP": "創建一個無回傳值的函式。",
 	"PROCEDURES_DEFNORETURN_COMMENT": "描述此函式...",
 	"PROCEDURES_DEFRETURN_HELPURL": "https://zh.wikipedia.org/wiki/子程式",
@@ -359,5 +356,7 @@
 	"PROCEDURES_IFRETURN_WARNING": "警告：這個區塊只可以在定義函式時使用。",
 	"WORKSPACE_COMMENT_DEFAULT_TEXT": "來說些事情...",
 	"WORKSPACE_ARIA_LABEL": "Blockly工作區",
-	"COLLAPSED_WARNINGS_WARNING": "收合含有警告的區塊。"
+	"COLLAPSED_WARNINGS_WARNING": "收合含有警告的區塊。",
+	"DIALOG_OK": "確定",
+	"DIALOG_CANCEL": "取消"
 }
diff --git a/msg/messages.js b/msg/messages.js
index 884c9724565..6b9d663a68b 100644
--- a/msg/messages.js
+++ b/msg/messages.js
@@ -6,15 +6,16 @@
 
 /**
  * @fileoverview English strings.
- * @author fraser@google.com (Neil Fraser)
  *
- * After modifying this file, either run "build.py" from the parent directory,
- * or run (from this directory):
- * ../scripts/i18n/js_to_json.py
- * to regenerate json/{en,qqq,synonyms}.json.
+ * After modifying this file, run:
+ *
+ *     npm run generate:langfiles
+ *
+ * to regenerate json/{en,qqq,constants,synonyms}.json.
  *
  * To convert all of the json files to .js files, run:
- * ../scripts/i18n/create_messages.py json/*.json
+ *
+ *     npm run build:langfiles
  */
 'use strict';
 
@@ -131,7 +132,7 @@ Blockly.Msg.REDO = 'Redo';
 
 // Variable renaming.
 /** @type {string} */
-/// prompt - This message is only seen in the Opera browser.  With most browsers, users can edit numeric values in blocks by just clicking and typing.  Opera does not allows this, so we have to open a new window and prompt users with this message to chanage a value.
+/// prompt - This message is seen on mobile devices and the Opera browser.  With most browsers, users can edit numeric values in blocks by just clicking and typing.  Opera does not allow this and mobile browsers may have issues with in-line textareas. So we prompt users with this message (usually a popup) to change a value.
 Blockly.Msg.CHANGE_VALUE_TITLE = 'Change value:';
 /** @type {string} */
 /// dropdown choice - When the user clicks on a variable block, this is one of the dropdown menu choices.  It is used to rename the current variable.  See [https://github.com/google/blockly/wiki/Variables#dropdown-menu https://github.com/google/blockly/wiki/Variables#dropdown-menu].
@@ -165,10 +166,13 @@ Blockly.Msg.VARIABLE_ALREADY_EXISTS = 'A variable named "%1" already exists.';
 /** @type {string} */
 /// alert - Tells the user that the name they entered is already in use for another type.
 Blockly.Msg.VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE = 'A variable named "%1" already exists for another type: "%2".';
+/** @type {string} */
+/// alert - Tells the user that the name they entered is already in use as a parameter to a procedure, that the variable they are renaming also exists on. Renaming would create two parameters with the same name, which is not allowed.
+Blockly.Msg.VARIABLE_ALREADY_EXISTS_FOR_A_PARAMETER = 'A variable named "%1" already exists as a parameter in the procedure "%2".';
 
 // Variable deletion.
 /** @type {string} */
-/// confirm -  Ask the user to confirm their deletion of multiple uses of a variable.
+/// confirm - Ask the user to confirm their deletion of multiple uses of a variable.
 Blockly.Msg.DELETE_VARIABLE_CONFIRMATION = 'Delete %1 uses of the "%2" variable?';
 /** @type {string} */
 /// alert - Tell the user that they can't delete a variable because it's part of the definition of a function.
@@ -355,46 +359,6 @@ Blockly.Msg.CONTROLS_IF_ELSE_TITLE_ELSE = Blockly.Msg.CONTROLS_IF_MSG_ELSE;
 /// tooltip - Describes the 'else' subblock during [https://github.com/google/blockly/wiki/IfElse#block-modification if block modification].
 Blockly.Msg.CONTROLS_IF_ELSE_TOOLTIP = 'Add a final, catch-all condition to the if block.';
 
-/** @type {string} */
-/// button text - Text on a button inside a dialogue window, which will accept or acknowledge the contents of the dialogue when pressed.\n{{Identical|OK}}
-Blockly.Msg.IOS_OK = 'OK';
-/** @type {string} */
-/// button text - Text on a button inside a dialogue window, which will close or cancel the dialogue when pressed.\n{{Identical|Cancel}}
-Blockly.Msg.IOS_CANCEL = 'Cancel';
-/** @type {string} */
-/// alert - Title text for an error dialogue.\n{{Identical|Error}}
-Blockly.Msg.IOS_ERROR = 'Error';
-/** @type {string} */
-/// header text - Title of a section that displays a list of parameters (aka. "inputs") that have been defined for a procedure. This is used inside a dialogue window to configure a procedure.\n{{Identical|Input}}
-Blockly.Msg.IOS_PROCEDURES_INPUTS = 'INPUTS';
-/** @type {string} */
-/// button text - Text on a button which will add a parameter (aka. "input") to a procedure. This is used inside a dialogue window to configure a procedure. NOTE: The "+" should be preserved at the beginning of the text.
-Blockly.Msg.IOS_PROCEDURES_ADD_INPUT = '+ Add Input';
-/** @type {string} */
-/// option text - Text describing an option to allow statements to be added within a procedure. This is used inside a dialogue window to configure a procedure.
-Blockly.Msg.IOS_PROCEDURES_ALLOW_STATEMENTS = 'Allow statements';
-/** @type {string} */
-/// alert - Error message when duplicate parameters (aka. "inputs") have been defined on a procedure. This is used inside a dialogue window to configure procedure parameters.
-Blockly.Msg.IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR = 'This function has duplicate inputs.';
-/** @type {string} */
-/// button text - Text on a button which will open a variable creation dialogue when pressed. NOTE: The "+" should be preserved at the beginning of the text.
-Blockly.Msg.IOS_VARIABLES_ADD_VARIABLE = '+ Add Variable';
-/** @type {string} */
-/// button text - Text on a button inside a variable creation dialogue, which will add a variable when pressed.\n{{Identical|Add}}
-Blockly.Msg.IOS_VARIABLES_ADD_BUTTON = 'Add';
-/** @type {string} */
-/// button text - Text on a button inside a variable rename dialogue, which will rename a variable when pressed.\n{{Identical|Rename}}
-Blockly.Msg.IOS_VARIABLES_RENAME_BUTTON = 'Rename';
-/** @type {string} */
-/// button text - Text on a button inside a variable deletion dialogue, which will delete a variable when pressed.\n{{Identical|Delete}}
-Blockly.Msg.IOS_VARIABLES_DELETE_BUTTON = 'Delete';
-/** @type {string} */
-/// placeholder text - Placeholder text used inside a text input, where a variable name should be entered.
-Blockly.Msg.IOS_VARIABLES_VARIABLE_NAME = 'Variable name';
-/** @type {string} */
-/// alert - Error message that is displayed when the user attempts to create a variable without a name.
-Blockly.Msg.IOS_VARIABLES_EMPTY_NAME_ERROR = 'You can\'t use an empty variable name.';
-
 /** @type {string} */
 /// {{Optional}} url - Information about comparisons.
 Blockly.Msg.LOGIC_COMPARE_HELPURL = 'https://en.wikipedia.org/wiki/Inequality_(mathematics)';
@@ -622,7 +586,7 @@ Blockly.Msg.MATH_IS_EVEN = 'is even';
 /// dropdown - A number is '''odd''' if it is not a multiple of 2.  For example, 3 is odd (yielding true), but 4 is not (false).  The opposite of "odd" is "even".
 Blockly.Msg.MATH_IS_ODD = 'is odd';
 /** @type {string} */
-/// dropdown - A number is [https://en.wikipedia.org/wiki/Prime prime] if it cannot be evenly divided by any positive integers except for 1 and itself.  For example, 5 is prime, but 6 is not because 2 × 3 = 6.
+/// dropdown - A number is [https://en.wikipedia.org/wiki/Prime_number prime] if it cannot be evenly divided by any positive integers except for 1 and itself.  For example, 5 is prime, but 6 is not because 2 × 3 = 6.
 Blockly.Msg.MATH_IS_PRIME = 'is prime';
 /** @type {string} */
 /// dropdown - A number is '''whole''' if it is an [https://en.wikipedia.org/wiki/Integer integer].  For example, 5 is whole, but 5.1 is not.
@@ -706,7 +670,7 @@ Blockly.Msg.MATH_ONLIST_OPERATOR_MEDIAN = 'median of list';
 /// tooltip - See [https://en.wikipedia.org/wiki/Median median https://en.wikipedia.org/wiki/Median median] for more information.
 Blockly.Msg.MATH_ONLIST_TOOLTIP_MEDIAN = 'Return the median number in the list.';
 /** @type {string} */
-/// dropdown - This finds the most common numbers ([https://en.wikipedia.org/wiki/Mode_(statistics) modes]) in a list.  For example, the modes of the list {1, 3, 9, 3, 9}  are {3, 9}.
+/// dropdown - This finds the most common numbers ([https://en.wikipedia.org/wiki/Mode_(statistics) modes]) in a list.  For example, the modes of the list {1, 3, 9, 3, 9} are {3, 9}.
 Blockly.Msg.MATH_ONLIST_OPERATOR_MODE = 'modes of list';
 /** @type {string} */
 /// tooltip - See [https://en.wikipedia.org/wiki/Mode_(statistics) https://en.wikipedia.org/wiki/Mode_(statistics)] for more information.
@@ -918,6 +882,7 @@ Blockly.Msg.TEXT_CHARAT_LAST = 'get last letter';
 /// [[File:Blockly-text-get.png]]
 Blockly.Msg.TEXT_CHARAT_RANDOM = 'get random letter';
 /** @type {string} */
+/// {{Optional|Supply translation only if your language requires it.  Most do not.}}
 /// block text - Text that goes after the rightmost block/dropdown when getting a single letter from
 /// a piece of text, as in [https://blockly-demo.appspot.com/static/apps/code/index.html#3m23km these
 /// blocks] or shown below.  For most languages, this will be blank.
@@ -990,6 +955,7 @@ Blockly.Msg.TEXT_GET_SUBSTRING_END_FROM_END = 'to letter # from end';
 /// [[File:Blockly-get-substring.png]]
 Blockly.Msg.TEXT_GET_SUBSTRING_END_LAST = 'to last letter';
 /** @type {string} */
+/// {{Optional|Supply translation only if your language requires it.  Most do not.}}
 /// block text - Text that should go after the rightmost block/dropdown when
 /// [https://github.com/google/blockly/wiki/Text#extracting-a-region-of-text
 /// extracting a region of text].  In most languages, this will be the empty string.
@@ -1151,7 +1117,7 @@ Blockly.Msg.LISTS_CREATE_WITH_ITEM_TOOLTIP = 'Add an item to the list.';
 /// {{Optional}} url - Information about [https://github.com/google/blockly/wiki/Lists#create-list-with creating a list with multiple copies of a single item].
 Blockly.Msg.LISTS_REPEAT_HELPURL = 'https://github.com/google/blockly/wiki/Lists#create-list-with';
 /** @type {string} */
-/// {{Optional}} url - See [https://github.com/google/blockly/wiki/Lists#create-list-with creating a list with multiple copies of a single item].
+/// tooltip - See [https://github.com/google/blockly/wiki/Lists#create-list-with creating a list with multiple copies of a single item].
 Blockly.Msg.LISTS_REPEAT_TOOLTIP = 'Creates a list consisting of the given value repeated the specified number of times.';
 /** @type {string} */
 /// block text - See [https://github.com/google/blockly/wiki/Lists#create-list-with
@@ -1188,9 +1154,9 @@ Blockly.Msg.LISTS_ISEMPTY_TOOLTIP = 'Returns true if the list is empty.';
 Blockly.Msg.LISTS_INLIST = 'in list';
 
 /** @type {string} */
-/// {{Optional}} url - See [https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list
-/// https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list].
-Blockly.Msg.LISTS_INDEX_OF_HELPURL = 'https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list';
+/// {{Optional}} url - See [https://github.com/google/blockly/wiki/Lists#finding-items-in-a-list
+/// https://github.com/google/blockly/wiki/Lists#finding-items-in-a-list].
+Blockly.Msg.LISTS_INDEX_OF_HELPURL = 'https://github.com/google/blockly/wiki/Lists#finding-items-in-a-list';
 /** @type {string} */
 Blockly.Msg.LISTS_INDEX_OF_INPUT_IN_LIST = Blockly.Msg.LISTS_INLIST;
 /** @type {string} */
@@ -1210,7 +1176,9 @@ Blockly.Msg.LISTS_INDEX_OF_LAST = 'find last occurrence of item';
 Blockly.Msg.LISTS_INDEX_OF_TOOLTIP = 'Returns the index of the first/last occurrence of the item in the list. Returns %1 if item is not found.';
 
 /** @type {string} */
-Blockly.Msg.LISTS_GET_INDEX_HELPURL = Blockly.Msg.LISTS_INDEX_OF_HELPURL;
+/// {{Optional}} url - See [https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list
+/// https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list].
+Blockly.Msg.LISTS_GET_INDEX_HELPURL = 'https://github.com/google/blockly/wiki/Lists#getting-items-from-a-list';
 /** @type {string} */
 /// dropdown - Indicates that the user wishes to
 /// [https://github.com/google/blockly/wiki/Lists#getting-a-single-item
@@ -1256,6 +1224,7 @@ Blockly.Msg.LISTS_GET_INDEX_LAST = 'last';
 /// [[File:Blockly-list-get-item.png]]
 Blockly.Msg.LISTS_GET_INDEX_RANDOM = 'random';
 /** @type {string} */
+/// {{Optional|Supply translation only if your language requires it.  Most do not.}}
 /// block text - Text that should go after the rightmost block/dropdown when
 /// [https://github.com/google/blockly/wiki/Lists#getting-a-single-item
 /// accessing an item from a list].  In most languages, this will be the empty string.
@@ -1392,6 +1361,7 @@ Blockly.Msg.LISTS_GET_SUBLIST_END_FROM_END = 'to # from end';
 /// [[File:Blockly-get-sublist.png]]
 Blockly.Msg.LISTS_GET_SUBLIST_END_LAST = 'to last';
 /** @type {string} */
+/// {{Optional|Supply translation only if your language requires it.  Most do not.}}
 /// block text - This appears in the rightmost position ("tail") of the
 /// sublist block, as described at
 /// [https://github.com/google/blockly/wiki/Lists#getting-a-sublist
@@ -1462,6 +1432,7 @@ Blockly.Msg.LISTS_REVERSE_MESSAGE0 = 'reverse %1';
 Blockly.Msg.LISTS_REVERSE_TOOLTIP = 'Reverse a copy of a list.';
 
 /** @type {string} */
+/// {{Optional|Supply translation only if your language requires it.  Most do not.}}
 /// grammar - Text that follows an ordinal number (a number that indicates
 /// position relative to other numbers).  In most languages, such text appears
 /// before the number, so this should be blank.  An exception is Hungarian.
@@ -1520,6 +1491,13 @@ Blockly.Msg.PROCEDURES_BEFORE_PARAMS = 'with:';
 /// function with parameters].
 Blockly.Msg.PROCEDURES_CALL_BEFORE_PARAMS = 'with:';
 /** @type {string} */
+/// warning - This appears if a block that runs a function can't run because the function
+/// definition block is disabled. See
+/// [https://blockly-demo.appspot.com/static/demos/code/index.html#q947d7 this sample of a
+/// disabled function definition and call block].
+Blockly.Msg.PROCEDURES_CALL_DISABLED_DEF_WARNING = 'Can\'t run the user-defined function "%1" because the definition block is disabled.';
+/** @type {string} */
+/// {{Optional|Supply translation only if your language requires it.  Most do not.}}
 /// block text - This appears next to the function's "body", the blocks that should be
 /// run when the function is called, as shown in
 /// [https://blockly-demo.appspot.com/static/apps/code/index.html?lang=en#voztpd this sample
@@ -1608,7 +1586,7 @@ Blockly.Msg.PROCEDURES_CREATE_DO = 'Create "%1"';
 Blockly.Msg.PROCEDURES_IFRETURN_TOOLTIP = 'If a value is true, then return a second value.';
 /** @type {string} */
 /// {{Optional}} url - Information about guard clauses.
-Blockly.Msg.PROCEDURES_IFRETURN_HELPURL = 'http://c2.com/cgi/wiki?GuardClause';
+Blockly.Msg.PROCEDURES_IFRETURN_HELPURL = 'https://c2.com/cgi/wiki?GuardClause';
 /** @type {string} */
 /// warning - This appears if the user tries to use this block outside of a function definition.
 Blockly.Msg.PROCEDURES_IFRETURN_WARNING = 'Warning: This block may be used only within a function definition.';
@@ -1628,3 +1606,11 @@ Blockly.Msg.WORKSPACE_ARIA_LABEL = 'Blockly Workspace';
 /// that block have warnings attached to them. It should inform the user that the
 /// block they collapsed contains blocks that have warnings.
 Blockly.Msg.COLLAPSED_WARNINGS_WARNING = 'Collapsed blocks contain warnings.';
+
+/** @type {string} */
+/// button label - Pressing this button closes help information.\n{{Identical|OK}}
+Blockly.Msg.DIALOG_OK = 'OK';
+
+/** @type {string} */
+/// button label - Pressing this button cancels a proposed action.\n{{Identical|Cancel}}
+Blockly.Msg.DIALOG_CANCEL = 'Cancel';
diff --git a/package-lock.json b/package-lock.json
index e9d40b7749c..c6d9871b7b8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,5155 +1,7363 @@
 {
   "name": "blockly",
-  "version": "3.20200924.0",
-  "lockfileVersion": 1,
+  "version": "11.1.1",
+  "lockfileVersion": 3,
   "requires": true,
-  "dependencies": {
-    "@babel/code-frame": {
-      "version": "7.5.5",
-      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.5.5.tgz",
-      "integrity": "sha512-27d4lZoomVyo51VegxI20xZPuSHusqbQag/ztrBC7wegWoQ1nLREPVSKSW8byhTlzTKyNE4ifaTA6lCp7JjpFw==",
+  "packages": {
+    "": {
+      "name": "blockly",
+      "version": "11.1.1",
+      "hasInstallScript": true,
+      "license": "Apache-2.0",
+      "dependencies": {
+        "jsdom": "23.0.0"
+      },
+      "devDependencies": {
+        "@blockly/block-test": "^5.0.0",
+        "@blockly/dev-tools": "^7.0.2",
+        "@blockly/theme-modern": "^5.0.0",
+        "@hyperjump/json-schema": "^1.5.0",
+        "@microsoft/api-documenter": "^7.22.4",
+        "@microsoft/api-extractor": "^7.29.5",
+        "@typescript-eslint/eslint-plugin": "^7.3.1",
+        "async-done": "^2.0.0",
+        "chai": "^4.2.0",
+        "concurrently": "^8.0.1",
+        "eslint": "^8.4.1",
+        "eslint-config-google": "^0.14.0",
+        "eslint-config-prettier": "^9.0.0",
+        "eslint-plugin-jsdoc": "^48.0.2",
+        "glob": "^10.3.4",
+        "google-closure-compiler": "^20230802.0.0",
+        "gulp": "^4.0.2",
+        "gulp-concat": "^2.6.1",
+        "gulp-gzip": "^1.4.2",
+        "gulp-header": "^2.0.9",
+        "gulp-insert": "^0.5.0",
+        "gulp-rename": "^2.0.0",
+        "gulp-replace": "^1.0.0",
+        "gulp-series": "^1.0.2",
+        "gulp-shell": "^0.8.0",
+        "gulp-sourcemaps": "^3.0.0",
+        "gulp-umd": "^2.0.0",
+        "http-server": "^14.0.0",
+        "json5": "^2.2.0",
+        "markdown-tables-to-json": "^0.1.7",
+        "mocha": "^10.0.0",
+        "patch-package": "^8.0.0",
+        "prettier": "3.2.5",
+        "readline-sync": "^1.4.10",
+        "rimraf": "^5.0.0",
+        "typescript": "^5.3.3",
+        "webdriverio": "^8.32.2",
+        "yargs": "^17.2.1"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/@aashutoshrathi/word-wrap": {
+      "version": "1.2.6",
+      "resolved": "https://registry.npmjs.org/@aashutoshrathi/word-wrap/-/word-wrap-1.2.6.tgz",
+      "integrity": "sha512-1Yjs2SvM8TflER/OD3cOjhWWOZb58A2t7wpE2S9XfBYTiIl+XFhQG2bjy4Pu1I+EAlCNUzRDYDdFwFYUKvXcIA==",
       "dev": true,
-      "requires": {
-        "@babel/highlight": "^7.0.0"
+      "engines": {
+        "node": ">=0.10.0"
       }
     },
-    "@babel/generator": {
-      "version": "7.10.5",
-      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.10.5.tgz",
-      "integrity": "sha512-3vXxr3FEW7E7lJZiWQ3bM4+v/Vyr9C+hpolQ8BGFr9Y8Ri2tFLWTixmwKBafDujO1WVah4fhZBeU1bieKdghig==",
+    "node_modules/@babel/runtime": {
+      "version": "7.22.5",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.22.5.tgz",
+      "integrity": "sha512-ecjvYlnAaZ/KVneE/OdKYBYfgXV3Ptu6zQWmgEF7vwKhQnvVS6bjMD2XYgj+SNvQ1GfK/pjgokfPkC/2CO8CuA==",
       "dev": true,
-      "requires": {
-        "@babel/types": "^7.10.5",
-        "jsesc": "^2.5.1",
-        "source-map": "^0.5.0"
-      },
       "dependencies": {
-        "source-map": {
-          "version": "0.5.7",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
-          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
-          "dev": true
-        }
+        "regenerator-runtime": "^0.13.11"
+      },
+      "engines": {
+        "node": ">=6.9.0"
       }
     },
-    "@babel/helper-function-name": {
-      "version": "7.10.4",
-      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.10.4.tgz",
-      "integrity": "sha512-YdaSyz1n8gY44EmN7x44zBn9zQ1Ry2Y+3GTA+3vH6Mizke1Vw0aWDM66FOYEPw8//qKkmqOckrGgTYa+6sceqQ==",
+    "node_modules/@blockly/block-test": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/@blockly/block-test/-/block-test-5.1.0.tgz",
+      "integrity": "sha512-beqBTJbrrDGECohJo6uczeLAvRxKgMFn9Ew1po6d8PBka/aNwSkT33jHRUAeasHnraBdFBx8pwYh7By2gVZURQ==",
       "dev": true,
-      "requires": {
-        "@babel/helper-get-function-arity": "^7.10.4",
-        "@babel/template": "^7.10.4",
-        "@babel/types": "^7.10.4"
+      "engines": {
+        "node": ">=8.17.0"
+      },
+      "peerDependencies": {
+        "blockly": "^10.0.0"
       }
     },
-    "@babel/helper-get-function-arity": {
-      "version": "7.10.4",
-      "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.10.4.tgz",
-      "integrity": "sha512-EkN3YDB+SRDgiIUnNgcmiD361ti+AVbL3f3Henf6dqqUyr5dMsorno0lJWJuLhDhkI5sYEpgj6y9kB8AOU1I2A==",
+    "node_modules/@blockly/dev-tools": {
+      "version": "7.1.7",
+      "resolved": "https://registry.npmjs.org/@blockly/dev-tools/-/dev-tools-7.1.7.tgz",
+      "integrity": "sha512-ar/6A7JyTSzhJ6ojEOzoCxnm4jRTQJeYn87g+iTEJrM9K8tk/Ccn4sZY34T+ULhy8A2MbFkbtmERCLx6HNrAkA==",
       "dev": true,
-      "requires": {
-        "@babel/types": "^7.10.4"
+      "dependencies": {
+        "@blockly/block-test": "^5.1.0",
+        "@blockly/theme-dark": "^6.0.5",
+        "@blockly/theme-deuteranopia": "^5.0.6",
+        "@blockly/theme-highcontrast": "^5.0.5",
+        "@blockly/theme-tritanopia": "^5.0.5",
+        "chai": "^4.2.0",
+        "dat.gui": "^0.7.7",
+        "lodash.assign": "^4.2.0",
+        "lodash.merge": "^4.6.2",
+        "monaco-editor": "^0.20.0",
+        "sinon": "^9.0.2"
+      },
+      "engines": {
+        "node": ">=8.0.0"
+      },
+      "peerDependencies": {
+        "blockly": "^10.0.0"
       }
     },
-    "@babel/helper-split-export-declaration": {
-      "version": "7.10.4",
-      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.10.4.tgz",
-      "integrity": "sha512-pySBTeoUff56fL5CBU2hWm9TesA4r/rOkI9DyJLvvgz09MB9YtfIYe3iBriVaYNaPe+Alua0vBIOVOLs2buWhg==",
+    "node_modules/@blockly/theme-dark": {
+      "version": "6.0.5",
+      "resolved": "https://registry.npmjs.org/@blockly/theme-dark/-/theme-dark-6.0.5.tgz",
+      "integrity": "sha512-6vftqOY4ZfwqiAUh2lR12TL16t+7UcmiGVYOBSs4dj1emP89UEO7EMaj0RQ+m0BsV9IHsf2fN6iKZu1gWkmnnA==",
       "dev": true,
-      "requires": {
-        "@babel/types": "^7.10.4"
+      "engines": {
+        "node": ">=8.17.0"
+      },
+      "peerDependencies": {
+        "blockly": "^10.0.0"
       }
     },
-    "@babel/helper-validator-identifier": {
-      "version": "7.10.4",
-      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.10.4.tgz",
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-      "dev": true
-    },
-    "@babel/highlight": {
-      "version": "7.5.0",
-      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.5.0.tgz",
-      "integrity": "sha512-7dV4eu9gBxoM0dAnj/BCFDW9LFU0zvTrkq0ugM7pnHEgguOEeOz1so2ZghEdzviYzQEED0r4EAgpsBChKy1TRQ==",
+    "node_modules/@blockly/theme-deuteranopia": {
+      "version": "5.0.6",
+      "resolved": "https://registry.npmjs.org/@blockly/theme-deuteranopia/-/theme-deuteranopia-5.0.6.tgz",
+      "integrity": "sha512-bYQz2TrkbwPxYjZXlQGf6pMEnSBD/If4FtBqAavt/lutwib0awM0NbPWu8RP89z4aRcAlsByYYSzFQMNqYBaiA==",
       "dev": true,
-      "requires": {
-        "chalk": "^2.0.0",
-        "esutils": "^2.0.2",
-        "js-tokens": "^4.0.0"
+      "engines": {
+        "node": ">=8.17.0"
+      },
+      "peerDependencies": {
+        "blockly": "^10.0.0"
       }
     },
-    "@babel/parser": {
-      "version": "7.6.0",
-      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.6.0.tgz",
-      "integrity": "sha512-+o2q111WEx4srBs7L9eJmcwi655eD8sXniLqMB93TBK9GrNzGrxDWSjiqz2hLU0Ha8MTXFIP0yd9fNdP+m43ZQ==",
-      "dev": true
+    "node_modules/@blockly/theme-highcontrast": {
+      "version": "5.0.5",
+      "resolved": "https://registry.npmjs.org/@blockly/theme-highcontrast/-/theme-highcontrast-5.0.5.tgz",
+      "integrity": "sha512-5pi7urLW7UNZhAoDbsb7C0vqFGHEeWi7pp1+OyFSmB+xMNkcVv1Es4X35QQCuUmM6FXfCFeqoDH+N/DYNDHHjg==",
+      "dev": true,
+      "engines": {
+        "node": ">=8.17.0"
+      },
+      "peerDependencies": {
+        "blockly": "^10.0.0"
+      }
     },
-    "@babel/template": {
-      "version": "7.10.4",
-      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.10.4.tgz",
-      "integrity": "sha512-ZCjD27cGJFUB6nmCB1Enki3r+L5kJveX9pq1SvAUKoICy6CZ9yD8xO086YXdYhvNjBdnekm4ZnaP5yC8Cs/1tA==",
+    "node_modules/@blockly/theme-modern": {
+      "version": "5.0.5",
+      "resolved": "https://registry.npmjs.org/@blockly/theme-modern/-/theme-modern-5.0.5.tgz",
+      "integrity": "sha512-rbVOGxKHAatzHI6Yhy9lJbIRPzAW2Xgf+N1U1KSkyVmUziLKKaNKwwYvnOSx4MmoDD49SrZMdUgT8G+VBLFhYw==",
       "dev": true,
-      "requires": {
-        "@babel/code-frame": "^7.10.4",
-        "@babel/parser": "^7.10.4",
-        "@babel/types": "^7.10.4"
+      "engines": {
+        "node": ">=8.17.0"
       },
-      "dependencies": {
-        "@babel/code-frame": {
-          "version": "7.10.4",
-          "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.10.4.tgz",
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-          "dev": true,
-          "requires": {
-            "@babel/highlight": "^7.10.4"
-          }
-        },
-        "@babel/highlight": {
-          "version": "7.10.4",
-          "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.10.4.tgz",
-          "integrity": "sha512-i6rgnR/YgPEQzZZnbTHHuZdlE8qyoBNalD6F+q4vAFlcMEcqmkoG+mPqJYJCo63qPf74+Y1UZsl3l6f7/RIkmA==",
-          "dev": true,
-          "requires": {
-            "@babel/helper-validator-identifier": "^7.10.4",
-            "chalk": "^2.0.0",
-            "js-tokens": "^4.0.0"
-          }
-        },
-        "@babel/parser": {
-          "version": "7.10.5",
-          "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.10.5.tgz",
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-          "dev": true
-        }
+      "peerDependencies": {
+        "blockly": "^10.0.0"
       }
     },
-    "@babel/traverse": {
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+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
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       }
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+        "wrap-ansi": "^7.0.0"
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-    "yauzl": {
+    "node_modules/yauzl": {
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       "resolved": "https://registry.npmjs.org/yauzl/-/yauzl-2.10.0.tgz",
       "integrity": "sha1-x+sXyT4RLLEIb6bY5R+wZnt5pfk=",
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         "buffer-crc32": "~0.2.3",
         "fd-slicer": "~1.1.0"
       }
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+    "node_modules/yocto-queue": {
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+      "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
+      "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
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-        "compress-commons": "^4.0.0",
-        "readable-stream": "^3.6.0"
+      "engines": {
+        "node": ">=10"
       },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/z-schema": {
+      "version": "5.0.4",
+      "resolved": "https://registry.npmjs.org/z-schema/-/z-schema-5.0.4.tgz",
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-            "string_decoder": "^1.1.1",
-            "util-deprecate": "^1.0.1"
-          }
-        }
+        "lodash.get": "^4.4.2",
+        "lodash.isequal": "^4.5.0",
+        "validator": "^13.7.0"
+      },
+      "bin": {
+        "z-schema": "bin/z-schema"
+      },
+      "engines": {
+        "node": ">=8.0.0"
+      },
+      "optionalDependencies": {
+        "commander": "^2.20.3"
+      }
+    },
+    "node_modules/z-schema/node_modules/commander": {
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+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
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+      "optional": true
+    },
+    "node_modules/zip-stream": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/zip-stream/-/zip-stream-5.0.1.tgz",
+      "integrity": "sha512-UfZ0oa0C8LI58wJ+moL46BDIMgCQbnsb+2PoiJYtonhBsMh2bq1eRBVkvjfVsqbEHd9/EgKPUuL9saSSsec8OA==",
+      "dev": true,
+      "dependencies": {
+        "archiver-utils": "^4.0.1",
+        "compress-commons": "^5.0.1",
+        "readable-stream": "^3.6.0"
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+      "engines": {
+        "node": ">= 12.0.0"
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   }
diff --git a/package.json b/package.json
index 80bd35da571..06c4703b269 100644
--- a/package.json
+++ b/package.json
@@ -1,13 +1,13 @@
 {
   "name": "blockly",
-  "version": "3.20200924.0",
+  "version": "11.1.1",
   "description": "Blockly is a library for building visual programming editors.",
   "keywords": [
     "blockly"
   ],
   "repository": {
     "type": "git",
-    "url": "https://github.com/google/blockly.git"
+    "url": "git+https://github.com/google/blockly.git"
   },
   "bugs": {
     "url": "https://github.com/google/blockly/issues"
@@ -18,69 +18,136 @@
   },
   "scripts": {
     "build": "gulp build",
-    "build:blocks": "gulp buildBlocks",
-    "build:compressed": "gulp buildCompressed",
-    "build:core": "gulp buildCore",
-    "build:debug": "gulp buildCompressed --verbose --debug",
-    "build:debug:log": "npm run build:debug > build-debug.log 2>&1 && tail -3 build-debug.log",
-    "build:strict": "gulp buildCompressed --verbose --strict",
-    "build:strict:log": "npm run build:strict > build-debug.log 2>&1 && tail -3 build-debug.log",
-    "build:generators": "gulp buildGenerators",
-    "build:langfiles": "gulp buildLangfiles",
-    "build:uncompressed": "gulp buildUncompressed",
-    "bump": "npm --no-git-tag-version version 3.$(date +'%Y%m%d').0",
-    "license": "gulp checkLicenses",
+    "build-debug": "gulp build --verbose --debug",
+    "build-debug-log": "npm run build:debug > build-debug.log 2>&1 && tail -3 build-debug.log",
+    "build-strict": "gulp build --verbose --strict",
+    "build-strict-log": "npm run build:strict > build-debug.log 2>&1 && tail -3 build-debug.log",
+    "build:compiled": "exit 1 # Deprecated; use \"npm run minify\" instead.",
+    "build:compressed": "exit 1 # Deprecated; use \"npm run minify\" instead.",
+    "build:js": "exit 1 # Deprecated; use \"npm run tsc\" instead.",
+    "build:langfiles": "exit 1 # Deprecated; use \"npm run langfiles\" instead.",
+    "clean": "gulp clean",
+    "deployDemos": "npm ci && gulp deployDemos",
+    "deployDemos:beta": "npm ci && gulp deployDemosBeta",
+    "docs": "gulp docs",
+    "format": "prettier --write .",
+    "format:check": "prettier --check .",
+    "generate:langfiles": "exit 1 # Deprecated; use \"npm run messages\" instead.",
+    "messages": "gulp messages",
     "lint": "eslint .",
+    "lint:fix": "eslint . --fix",
+    "langfiles": "gulp langfiles",
+    "minify": "gulp minify",
     "package": "gulp package",
-    "prepare": "npm run package",
-    "recompile": "gulp gitPreCompile && npm run bump && gulp gitPostCompile",
+    "postinstall": "patch-package",
+    "prepareDemos": "gulp prepareDemos",
+    "publish": "npm ci && gulp publish",
+    "publish:beta": "npm ci && gulp publishBeta",
+    "recompile": "gulp recompile",
     "release": "gulp gitCreateRC",
-    "test": "concurrently 'npm run test:prepare' 'sleep 5 && npm run test:run'",
-    "test:prepare": "npm run test:setupselenium && npm run test:startselenium",
-    "test:run": "tests/run_all_tests.sh",
-    "test:setupselenium": "selenium-standalone install --config=./tests/scripts/selenium-config.js",
-    "test:startselenium": "selenium-standalone start --config=./tests/scripts/selenium-config.js",
-    "test:compile:advanced": "gulp buildAdvancedCompilationTest",
-    "typings": "gulp typings",
-    "updateGithubPages": "gulp gitUpdateGithubPages"
+    "start": "npm run build && concurrently -n tsc,server \"tsc --watch --preserveWatchOutput --outDir \"build/src\" --declarationDir \"build/declarations\"\" \"http-server ./ -s -o /tests/playground.html -c-1\"",
+    "tsc": "gulp tsc",
+    "test": "gulp test",
+    "test:browser": "cd tests/browser && npx mocha",
+    "test:generators": "gulp testGenerators",
+    "test:mocha:interactive": "npm run build && concurrently -n tsc,server \"tsc --watch --preserveWatchOutput --outDir \"build/src\" --declarationDir \"build/declarations\"\" \"http-server ./ -o /tests/mocha/index.html -c-1\"",
+    "test:compile:advanced": "gulp buildAdvancedCompilationTest --debug",
+    "updateGithubPages": "npm ci && gulp gitUpdateGithubPages"
   },
-  "main": "./index.js",
-  "umd": "./blockly.min.js",
-  "unpkg": "./blockly.min.js",
-  "types": "./index.d.ts",
-  "browser": {
-    "./node.js": "./browser.js",
-    "./core.js": "./core-browser.js",
-    "./blockly-node.js": "./blockly.js"
+  "exports": {
+    ".": {
+      "types": "./index.d.ts",
+      "import": "./index.mjs",
+      "umd": "./blockly.min.js",
+      "default": "./index.js"
+    },
+    "./core": {
+      "types": "./core.d.ts",
+      "node": "./core-node.js",
+      "import": "./blockly.mjs",
+      "default": "./blockly_compressed.js"
+    },
+    "./blocks": {
+      "types": "./blocks.d.ts",
+      "import": "./blocks.mjs",
+      "default": "./blocks_compressed.js"
+    },
+    "./dart": {
+      "types": "./dart.d.ts",
+      "import": "./dart.mjs",
+      "default": "./dart_compressed.js"
+    },
+    "./lua": {
+      "types": "./lua.d.ts",
+      "import": "./lua.mjs",
+      "default": "./lua_compressed.js"
+    },
+    "./javascript": {
+      "types": "./javascript.d.ts",
+      "import": "./javascript.mjs",
+      "default": "./javascript_compressed.js"
+    },
+    "./php": {
+      "types": "./php.d.ts",
+      "import": "./php.mjs",
+      "default": "./php_compressed.js"
+    },
+    "./python": {
+      "types": "./python.d.ts",
+      "import": "./python.mjs",
+      "default": "./python_compressed.js"
+    },
+    "./msg/*": {
+      "types": "./msg/*.d.ts",
+      "import": "./msg/*.mjs",
+      "default": "./msg/*.js"
+    }
   },
   "license": "Apache-2.0",
   "devDependencies": {
-    "babel-eslint": "^10.1.0",
+    "@blockly/block-test": "^5.0.0",
+    "@blockly/dev-tools": "^7.0.2",
+    "@blockly/theme-modern": "^5.0.0",
+    "@hyperjump/json-schema": "^1.5.0",
+    "@microsoft/api-documenter": "^7.22.4",
+    "@microsoft/api-extractor": "^7.29.5",
+    "@typescript-eslint/eslint-plugin": "^7.3.1",
+    "async-done": "^2.0.0",
     "chai": "^4.2.0",
-    "concurrently": "^5.3.0",
-    "eslint": "^7.6.0",
-    "eslint-plugin-es5": "^1.5.0",
-    "google-closure-compiler": "^20200830.0.0",
-    "google-closure-deps": "^20200719.0.0",
+    "concurrently": "^8.0.1",
+    "eslint": "^8.4.1",
+    "eslint-config-google": "^0.14.0",
+    "eslint-config-prettier": "^9.0.0",
+    "eslint-plugin-jsdoc": "^48.0.2",
+    "glob": "^10.3.4",
+    "google-closure-compiler": "^20230802.0.0",
     "gulp": "^4.0.2",
     "gulp-concat": "^2.6.1",
+    "gulp-gzip": "^1.4.2",
+    "gulp-header": "^2.0.9",
     "gulp-insert": "^0.5.0",
     "gulp-rename": "^2.0.0",
     "gulp-replace": "^1.0.0",
     "gulp-series": "^1.0.2",
     "gulp-shell": "^0.8.0",
-    "gulp-sourcemaps": "^2.6.5",
+    "gulp-sourcemaps": "^3.0.0",
     "gulp-umd": "^2.0.0",
-    "js-green-licenses": "^2.0.1",
-    "mocha": "^8.1.1",
-    "rimraf": "^3.0.2",
-    "selenium-standalone": "^6.17.0",
-    "through2": "^4.0.2",
-    "typescript-closure-tools": "^0.0.7",
-    "webdriverio": "^6.5.2",
-    "yargs": "^16.0.3"
+    "http-server": "^14.0.0",
+    "json5": "^2.2.0",
+    "markdown-tables-to-json": "^0.1.7",
+    "mocha": "^10.0.0",
+    "patch-package": "^8.0.0",
+    "prettier": "3.2.5",
+    "readline-sync": "^1.4.10",
+    "rimraf": "^5.0.0",
+    "typescript": "^5.3.3",
+    "webdriverio": "^8.32.2",
+    "yargs": "^17.2.1"
   },
   "dependencies": {
-    "jsdom": "^15.2.1"
+    "jsdom": "23.0.0"
+  },
+  "engines": {
+    "node": ">=18"
   }
 }
diff --git a/patches/@microsoft+api-documenter+7.22.4.patch b/patches/@microsoft+api-documenter+7.22.4.patch
new file mode 100644
index 00000000000..6e039a391e8
--- /dev/null
+++ b/patches/@microsoft+api-documenter+7.22.4.patch
@@ -0,0 +1,81 @@
+diff --git a/node_modules/@microsoft/api-documenter/lib/documenters/MarkdownDocumenter.js b/node_modules/@microsoft/api-documenter/lib/documenters/MarkdownDocumenter.js
+index 5284d10..f2f9d14 100644
+--- a/node_modules/@microsoft/api-documenter/lib/documenters/MarkdownDocumenter.js
++++ b/node_modules/@microsoft/api-documenter/lib/documenters/MarkdownDocumenter.js
+@@ -877,12 +877,15 @@ class MarkdownDocumenter {
+     }
+     _writeBreadcrumb(output, apiItem) {
+         const configuration = this._tsdocConfiguration;
+-        output.appendNodeInParagraph(new tsdoc_1.DocLinkTag({
+-            configuration,
+-            tagName: '@link',
+-            linkText: 'Home',
+-            urlDestination: this._getLinkFilenameForApiItem(this._apiModel)
+-        }));
++        // Don't print the first breadcrumb, because there's only one package, so we don't need the Home link.
++        // output.appendNodeInParagraph(new tsdoc_1.DocLinkTag({
++        //     configuration,
++        //     tagName: '@link',
++        //     linkText: 'Home',
++        //     urlDestination: this._getLinkFilenameForApiItem(this._apiModel)
++        // }));
++
++        let first = true;
+         for (const hierarchyItem of apiItem.getHierarchy()) {
+             switch (hierarchyItem.kind) {
+                 case api_extractor_model_1.ApiItemKind.Model:
+@@ -892,18 +895,24 @@ class MarkdownDocumenter {
+                     // this may change in the future.
+                     break;
+                 default:
+-                    output.appendNodesInParagraph([
+-                        new tsdoc_1.DocPlainText({
+-                            configuration,
+-                            text: ' > '
+-                        }),
++                    if (!first) {
++                        // Only print the breadcrumb separator if it's not the first item we're printing.
++                        output.appendNodeInParagraph(
++                            new tsdoc_1.DocPlainText({
++                                configuration,
++                                text: ' > '
++                            })
++                        );
++                    }
++                    first = false;
++                    output.appendNodeInParagraph(
+                         new tsdoc_1.DocLinkTag({
+                             configuration,
+                             tagName: '@link',
+                             linkText: hierarchyItem.displayName,
+                             urlDestination: this._getLinkFilenameForApiItem(hierarchyItem)
+                         })
+-                    ]);
++                    );
+             }
+         }
+     }
+@@ -968,11 +977,8 @@ class MarkdownDocumenter {
+             // For overloaded methods, add a suffix such as "MyClass.myMethod_2".
+             let qualifiedName = Utilities_1.Utilities.getSafeFilenameForName(hierarchyItem.displayName);
+             if (api_extractor_model_1.ApiParameterListMixin.isBaseClassOf(hierarchyItem)) {
+-                if (hierarchyItem.overloadIndex > 1) {
+-                    // Subtract one for compatibility with earlier releases of API Documenter.
+-                    // (This will get revamped when we fix GitHub issue #1308)
+-                    qualifiedName += `_${hierarchyItem.overloadIndex - 1}`;
+-                }
++                // https://github.com/microsoft/rushstack/issues/1921
++                qualifiedName += `_${hierarchyItem.overloadIndex}`;
+             }
+             switch (hierarchyItem.kind) {
+                 case api_extractor_model_1.ApiItemKind.Model:
+@@ -983,7 +989,8 @@ class MarkdownDocumenter {
+                     baseName = Utilities_1.Utilities.getSafeFilenameForName(node_core_library_1.PackageName.getUnscopedName(hierarchyItem.displayName));
+                     break;
+                 default:
+-                    baseName += '.' + qualifiedName;
++                    // https://github.com/microsoft/rushstack/issues/1921
++                    baseName += '.' + qualifiedName + '_' + hierarchyItem.kind.toLowerCase();
+             }
+         }
+         return baseName + '.md';
diff --git a/php_compressed.js b/php_compressed.js
deleted file mode 100644
index de0e3501add..00000000000
--- a/php_compressed.js
+++ /dev/null
@@ -1,103 +0,0 @@
-// Do not edit this file; automatically generated by gulp.
-
-/* eslint-disable */
-;(function(root, factory) {
-  if (typeof define === 'function' && define.amd) { // AMD
-    define(['./blockly_compressed.js'], factory);
-  } else if (typeof exports === 'object') { // Node.js
-    module.exports = factory(require('./blockly_compressed.js'));
-  } else { // Browser
-    root.Blockly.PHP = factory(root.Blockly);
-  }
-}(this, function(Blockly) {
-  'use strict';Blockly.PHP=new Blockly.Generator("PHP");Blockly.PHP.addReservedWords("__halt_compiler,abstract,and,array,as,break,callable,case,catch,class,clone,const,continue,declare,default,die,do,echo,else,elseif,empty,enddeclare,endfor,endforeach,endif,endswitch,endwhile,eval,exit,extends,final,for,foreach,function,global,goto,if,implements,include,include_once,instanceof,insteadof,interface,isset,list,namespace,new,or,print,private,protected,public,require,require_once,return,static,switch,throw,trait,try,unset,use,var,while,xor,PHP_VERSION,PHP_MAJOR_VERSION,PHP_MINOR_VERSION,PHP_RELEASE_VERSION,PHP_VERSION_ID,PHP_EXTRA_VERSION,PHP_ZTS,PHP_DEBUG,PHP_MAXPATHLEN,PHP_OS,PHP_SAPI,PHP_EOL,PHP_INT_MAX,PHP_INT_SIZE,DEFAULT_INCLUDE_PATH,PEAR_INSTALL_DIR,PEAR_EXTENSION_DIR,PHP_EXTENSION_DIR,PHP_PREFIX,PHP_BINDIR,PHP_BINARY,PHP_MANDIR,PHP_LIBDIR,PHP_DATADIR,PHP_SYSCONFDIR,PHP_LOCALSTATEDIR,PHP_CONFIG_FILE_PATH,PHP_CONFIG_FILE_SCAN_DIR,PHP_SHLIB_SUFFIX,E_ERROR,E_WARNING,E_PARSE,E_NOTICE,E_CORE_ERROR,E_CORE_WARNING,E_COMPILE_ERROR,E_COMPILE_WARNING,E_USER_ERROR,E_USER_WARNING,E_USER_NOTICE,E_DEPRECATED,E_USER_DEPRECATED,E_ALL,E_STRICT,__COMPILER_HALT_OFFSET__,TRUE,FALSE,NULL,__CLASS__,__DIR__,__FILE__,__FUNCTION__,__LINE__,__METHOD__,__NAMESPACE__,__TRAIT__");
-Blockly.PHP.ORDER_ATOMIC=0;Blockly.PHP.ORDER_CLONE=1;Blockly.PHP.ORDER_NEW=1;Blockly.PHP.ORDER_MEMBER=2.1;Blockly.PHP.ORDER_FUNCTION_CALL=2.2;Blockly.PHP.ORDER_POWER=3;Blockly.PHP.ORDER_INCREMENT=4;Blockly.PHP.ORDER_DECREMENT=4;Blockly.PHP.ORDER_BITWISE_NOT=4;Blockly.PHP.ORDER_CAST=4;Blockly.PHP.ORDER_SUPPRESS_ERROR=4;Blockly.PHP.ORDER_INSTANCEOF=5;Blockly.PHP.ORDER_LOGICAL_NOT=6;Blockly.PHP.ORDER_UNARY_PLUS=7.1;Blockly.PHP.ORDER_UNARY_NEGATION=7.2;Blockly.PHP.ORDER_MULTIPLICATION=8.1;
-Blockly.PHP.ORDER_DIVISION=8.2;Blockly.PHP.ORDER_MODULUS=8.3;Blockly.PHP.ORDER_ADDITION=9.1;Blockly.PHP.ORDER_SUBTRACTION=9.2;Blockly.PHP.ORDER_STRING_CONCAT=9.3;Blockly.PHP.ORDER_BITWISE_SHIFT=10;Blockly.PHP.ORDER_RELATIONAL=11;Blockly.PHP.ORDER_EQUALITY=12;Blockly.PHP.ORDER_REFERENCE=13;Blockly.PHP.ORDER_BITWISE_AND=13;Blockly.PHP.ORDER_BITWISE_XOR=14;Blockly.PHP.ORDER_BITWISE_OR=15;Blockly.PHP.ORDER_LOGICAL_AND=16;Blockly.PHP.ORDER_LOGICAL_OR=17;Blockly.PHP.ORDER_IF_NULL=18;
-Blockly.PHP.ORDER_CONDITIONAL=19;Blockly.PHP.ORDER_ASSIGNMENT=20;Blockly.PHP.ORDER_LOGICAL_AND_WEAK=21;Blockly.PHP.ORDER_LOGICAL_XOR=22;Blockly.PHP.ORDER_LOGICAL_OR_WEAK=23;Blockly.PHP.ORDER_COMMA=24;Blockly.PHP.ORDER_NONE=99;
-Blockly.PHP.ORDER_OVERRIDES=[[Blockly.PHP.ORDER_MEMBER,Blockly.PHP.ORDER_FUNCTION_CALL],[Blockly.PHP.ORDER_MEMBER,Blockly.PHP.ORDER_MEMBER],[Blockly.PHP.ORDER_LOGICAL_NOT,Blockly.PHP.ORDER_LOGICAL_NOT],[Blockly.PHP.ORDER_MULTIPLICATION,Blockly.PHP.ORDER_MULTIPLICATION],[Blockly.PHP.ORDER_ADDITION,Blockly.PHP.ORDER_ADDITION],[Blockly.PHP.ORDER_LOGICAL_AND,Blockly.PHP.ORDER_LOGICAL_AND],[Blockly.PHP.ORDER_LOGICAL_OR,Blockly.PHP.ORDER_LOGICAL_OR]];
-Blockly.PHP.init=function(a){Blockly.PHP.definitions_=Object.create(null);Blockly.PHP.functionNames_=Object.create(null);Blockly.PHP.variableDB_?Blockly.PHP.variableDB_.reset():Blockly.PHP.variableDB_=new Blockly.Names(Blockly.PHP.RESERVED_WORDS_,"$");Blockly.PHP.variableDB_.setVariableMap(a.getVariableMap());for(var b=[],c=Blockly.Variables.allDeveloperVariables(a),d=0;d<c.length;d++)b.push(Blockly.PHP.variableDB_.getName(c[d],Blockly.Names.DEVELOPER_VARIABLE_TYPE)+";");a=Blockly.Variables.allUsedVarModels(a);
-for(d=0;c=a[d];d++)b.push(Blockly.PHP.variableDB_.getName(c.getId(),Blockly.VARIABLE_CATEGORY_NAME)+";");Blockly.PHP.definitions_.variables=b.join("\n")};Blockly.PHP.finish=function(a){var b=[],c;for(c in Blockly.PHP.definitions_)b.push(Blockly.PHP.definitions_[c]);delete Blockly.PHP.definitions_;delete Blockly.PHP.functionNames_;Blockly.PHP.variableDB_.reset();return b.join("\n\n")+"\n\n\n"+a};Blockly.PHP.scrubNakedValue=function(a){return a+";\n"};
-Blockly.PHP.quote_=function(a){a=a.replace(/\\/g,"\\\\").replace(/\n/g,"\\\n").replace(/'/g,"\\'");return"'"+a+"'"};Blockly.PHP.multiline_quote_=function(a){return a.split(/\n/g).map(Blockly.PHP.quote_).join(' . "\\n" .\n')};
-Blockly.PHP.scrub_=function(a,b,c){var d="";if(!a.outputConnection||!a.outputConnection.targetConnection){var e=a.getCommentText();e&&(e=Blockly.utils.string.wrap(e,Blockly.PHP.COMMENT_WRAP-3),d+=Blockly.PHP.prefixLines(e,"// ")+"\n");for(var f=0;f<a.inputList.length;f++)a.inputList[f].type==Blockly.INPUT_VALUE&&(e=a.inputList[f].connection.targetBlock())&&(e=Blockly.PHP.allNestedComments(e))&&(d+=Blockly.PHP.prefixLines(e,"// "))}a=a.nextConnection&&a.nextConnection.targetBlock();c=c?"":Blockly.PHP.blockToCode(a);
-return d+b+c};
-Blockly.PHP.getAdjusted=function(a,b,c,d,e){c=c||0;e=e||Blockly.PHP.ORDER_NONE;a.workspace.options.oneBasedIndex&&c--;var f=a.workspace.options.oneBasedIndex?"1":"0";a=0<c?Blockly.PHP.valueToCode(a,b,Blockly.PHP.ORDER_ADDITION)||f:0>c?Blockly.PHP.valueToCode(a,b,Blockly.PHP.ORDER_SUBTRACTION)||f:d?Blockly.PHP.valueToCode(a,b,Blockly.PHP.ORDER_UNARY_NEGATION)||f:Blockly.PHP.valueToCode(a,b,e)||f;if(Blockly.isNumber(a))a=Number(a)+c,d&&(a=-a);else{if(0<c){a=a+" + "+c;var g=Blockly.PHP.ORDER_ADDITION}else 0>c&&
-(a=a+" - "+-c,g=Blockly.PHP.ORDER_SUBTRACTION);d&&(a=c?"-("+a+")":"-"+a,g=Blockly.PHP.ORDER_UNARY_NEGATION);g=Math.floor(g);e=Math.floor(e);g&&e>=g&&(a="("+a+")")}return a};Blockly.PHP.colour={};Blockly.PHP.colour_picker=function(a){return[Blockly.PHP.quote_(a.getFieldValue("COLOUR")),Blockly.PHP.ORDER_ATOMIC]};Blockly.PHP.colour_random=function(a){return[Blockly.PHP.provideFunction_("colour_random",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"() {","  return '#' . str_pad(dechex(mt_rand(0, 0xFFFFFF)), 6, '0', STR_PAD_LEFT);","}"])+"()",Blockly.PHP.ORDER_FUNCTION_CALL]};
-Blockly.PHP.colour_rgb=function(a){var b=Blockly.PHP.valueToCode(a,"RED",Blockly.PHP.ORDER_COMMA)||0,c=Blockly.PHP.valueToCode(a,"GREEN",Blockly.PHP.ORDER_COMMA)||0;a=Blockly.PHP.valueToCode(a,"BLUE",Blockly.PHP.ORDER_COMMA)||0;return[Blockly.PHP.provideFunction_("colour_rgb",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($r, $g, $b) {","  $r = round(max(min($r, 100), 0) * 2.55);","  $g = round(max(min($g, 100), 0) * 2.55);","  $b = round(max(min($b, 100), 0) * 2.55);","  $hex = '#';","  $hex .= str_pad(dechex($r), 2, '0', STR_PAD_LEFT);",
-"  $hex .= str_pad(dechex($g), 2, '0', STR_PAD_LEFT);","  $hex .= str_pad(dechex($b), 2, '0', STR_PAD_LEFT);","  return $hex;","}"])+"("+b+", "+c+", "+a+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
-Blockly.PHP.colour_blend=function(a){var b=Blockly.PHP.valueToCode(a,"COLOUR1",Blockly.PHP.ORDER_COMMA)||"'#000000'",c=Blockly.PHP.valueToCode(a,"COLOUR2",Blockly.PHP.ORDER_COMMA)||"'#000000'";a=Blockly.PHP.valueToCode(a,"RATIO",Blockly.PHP.ORDER_COMMA)||.5;return[Blockly.PHP.provideFunction_("colour_blend",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($c1, $c2, $ratio) {","  $ratio = max(min($ratio, 1), 0);","  $r1 = hexdec(substr($c1, 1, 2));","  $g1 = hexdec(substr($c1, 3, 2));","  $b1 = hexdec(substr($c1, 5, 2));",
-"  $r2 = hexdec(substr($c2, 1, 2));","  $g2 = hexdec(substr($c2, 3, 2));","  $b2 = hexdec(substr($c2, 5, 2));","  $r = round($r1 * (1 - $ratio) + $r2 * $ratio);","  $g = round($g1 * (1 - $ratio) + $g2 * $ratio);","  $b = round($b1 * (1 - $ratio) + $b2 * $ratio);","  $hex = '#';","  $hex .= str_pad(dechex($r), 2, '0', STR_PAD_LEFT);","  $hex .= str_pad(dechex($g), 2, '0', STR_PAD_LEFT);","  $hex .= str_pad(dechex($b), 2, '0', STR_PAD_LEFT);","  return $hex;","}"])+"("+b+", "+c+", "+a+")",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.lists={};Blockly.PHP.lists_create_empty=function(a){return["array()",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.lists_create_with=function(a){for(var b=Array(a.itemCount_),c=0;c<a.itemCount_;c++)b[c]=Blockly.PHP.valueToCode(a,"ADD"+c,Blockly.PHP.ORDER_COMMA)||"null";b="array("+b.join(", ")+")";return[b,Blockly.PHP.ORDER_FUNCTION_CALL]};
-Blockly.PHP.lists_repeat=function(a){var b=Blockly.PHP.provideFunction_("lists_repeat",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($value, $count) {","  $array = array();","  for ($index = 0; $index < $count; $index++) {","    $array[] = $value;","  }","  return $array;","}"]),c=Blockly.PHP.valueToCode(a,"ITEM",Blockly.PHP.ORDER_COMMA)||"null";a=Blockly.PHP.valueToCode(a,"NUM",Blockly.PHP.ORDER_COMMA)||"0";return[b+"("+c+", "+a+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
-Blockly.PHP.lists_length=function(a){var b=Blockly.PHP.provideFunction_("length",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($value) {","  if (is_string($value)) {","    return strlen($value);","  } else {","    return count($value);","  }","}"]);a=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"''";return[b+"("+a+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
-Blockly.PHP.lists_isEmpty=function(a){return["empty("+(Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_FUNCTION_CALL)||"array()")+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
-Blockly.PHP.lists_indexOf=function(a){var b=Blockly.PHP.valueToCode(a,"FIND",Blockly.PHP.ORDER_NONE)||"''",c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_MEMBER)||"[]";if(a.workspace.options.oneBasedIndex)var d=" 0",e=" + 1";else d=" -1",e="";return[("FIRST"==a.getFieldValue("END")?Blockly.PHP.provideFunction_("indexOf",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($haystack, $needle) {","  for ($index = 0; $index < count($haystack); $index++) {","    if ($haystack[$index] == $needle) return $index"+
-e+";","  }","  return "+d+";","}"]):Blockly.PHP.provideFunction_("lastIndexOf",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($haystack, $needle) {","  $last = "+d+";","  for ($index = 0; $index < count($haystack); $index++) {","    if ($haystack[$index] == $needle) $last = $index"+e+";","  }","  return $last;","}"]))+"("+c+", "+b+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
-Blockly.PHP.lists_getIndex=function(a){var b=a.getFieldValue("MODE")||"GET";switch(a.getFieldValue("WHERE")||"FROM_START"){case "FIRST":if("GET"==b){var c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_MEMBER)||"array()";return[c+"[0]",Blockly.PHP.ORDER_MEMBER]}if("GET_REMOVE"==b)return c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"array()",["array_shift("+c+")",Blockly.PHP.ORDER_FUNCTION_CALL];if("REMOVE"==b)return c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||
-"array()","array_shift("+c+");\n";break;case "LAST":if("GET"==b)return c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"array()",["end("+c+")",Blockly.PHP.ORDER_FUNCTION_CALL];if("GET_REMOVE"==b)return c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"array()",["array_pop("+c+")",Blockly.PHP.ORDER_FUNCTION_CALL];if("REMOVE"==b)return c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"array()","array_pop("+c+");\n";break;case "FROM_START":var d=Blockly.PHP.getAdjusted(a,
-"AT");if("GET"==b)return c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_MEMBER)||"array()",[c+"["+d+"]",Blockly.PHP.ORDER_MEMBER];if("GET_REMOVE"==b)return c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_COMMA)||"array()",["array_splice("+c+", "+d+", 1)[0]",Blockly.PHP.ORDER_FUNCTION_CALL];if("REMOVE"==b)return c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_COMMA)||"array()","array_splice("+c+", "+d+", 1);\n";break;case "FROM_END":if("GET"==b)return c=Blockly.PHP.valueToCode(a,
-"VALUE",Blockly.PHP.ORDER_COMMA)||"array()",d=Blockly.PHP.getAdjusted(a,"AT",1,!0),["array_slice("+c+", "+d+", 1)[0]",Blockly.PHP.ORDER_FUNCTION_CALL];if("GET_REMOVE"==b||"REMOVE"==b){c=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"array()";d=Blockly.PHP.getAdjusted(a,"AT",1,!1,Blockly.PHP.ORDER_SUBTRACTION);c="array_splice("+c+", count("+c+") - "+d+", 1)[0]";if("GET_REMOVE"==b)return[c,Blockly.PHP.ORDER_FUNCTION_CALL];if("REMOVE"==b)return c+";\n"}break;case "RANDOM":c=Blockly.PHP.valueToCode(a,
-"VALUE",Blockly.PHP.ORDER_NONE)||"array()";if("GET"==b)return b=Blockly.PHP.provideFunction_("lists_get_random_item",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($list) {","  return $list[rand(0,count($list)-1)];","}"]),[b+"("+c+")",Blockly.PHP.ORDER_FUNCTION_CALL];if("GET_REMOVE"==b)return b=Blockly.PHP.provideFunction_("lists_get_remove_random_item",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"(&$list) {","  $x = rand(0,count($list)-1);","  unset($list[$x]);","  return array_values($list);",
-"}"]),[b+"("+c+")",Blockly.PHP.ORDER_FUNCTION_CALL];if("REMOVE"==b)return b=Blockly.PHP.provideFunction_("lists_remove_random_item",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"(&$list) {","  unset($list[rand(0,count($list)-1)]);","}"]),b+"("+c+");\n"}throw Error("Unhandled combination (lists_getIndex).");};
-Blockly.PHP.lists_setIndex=function(a){var b=a.getFieldValue("MODE")||"GET",c=a.getFieldValue("WHERE")||"FROM_START",d=Blockly.PHP.valueToCode(a,"TO",Blockly.PHP.ORDER_ASSIGNMENT)||"null";switch(c){case "FIRST":if("SET"==b)return c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_MEMBER)||"array()",c+"[0] = "+d+";\n";if("INSERT"==b)return c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||"array()","array_unshift("+c+", "+d+");\n";break;case "LAST":c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||
-"array()";if("SET"==b)return b=Blockly.PHP.provideFunction_("lists_set_last_item",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"(&$list, $value) {","  $list[count($list) - 1] = $value;","}"]),b+"("+c+", "+d+");\n";if("INSERT"==b)return"array_push("+c+", "+d+");\n";break;case "FROM_START":var e=Blockly.PHP.getAdjusted(a,"AT");if("SET"==b)return c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_MEMBER)||"array()",c+"["+e+"] = "+d+";\n";if("INSERT"==b)return c=Blockly.PHP.valueToCode(a,"LIST",
-Blockly.PHP.ORDER_COMMA)||"array()","array_splice("+c+", "+e+", 0, "+d+");\n";break;case "FROM_END":c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||"array()";e=Blockly.PHP.getAdjusted(a,"AT",1);if("SET"==b)return b=Blockly.PHP.provideFunction_("lists_set_from_end",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"(&$list, $at, $value) {","  $list[count($list) - $at] = $value;","}"]),b+"("+c+", "+e+", "+d+");\n";if("INSERT"==b)return b=Blockly.PHP.provideFunction_("lists_insert_from_end",
-["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"(&$list, $at, $value) {","  return array_splice($list, count($list) - $at, 0, $value);","}"]),b+"("+c+", "+e+", "+d+");\n";break;case "RANDOM":c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_REFERENCE)||"array()";c.match(/^\$\w+$/)?a="":(a=Blockly.PHP.variableDB_.getDistinctName("tmp_list",Blockly.VARIABLE_CATEGORY_NAME),e=a+" = &"+c+";\n",c=a,a=e);e=Blockly.PHP.variableDB_.getDistinctName("tmp_x",Blockly.VARIABLE_CATEGORY_NAME);a+=e+" = rand(0, count("+
-c+")-1);\n";if("SET"==b)return a+(c+"["+e+"] = "+d+";\n");if("INSERT"==b)return a+("array_splice("+c+", "+e+", 0, "+d+");\n")}throw Error("Unhandled combination (lists_setIndex).");};
-Blockly.PHP.lists_getSublist=function(a){var b=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||"array()",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if("FIRST"!=c||"LAST"!=d)if(b.match(/^\$\w+$/)||"FROM_END"!=c&&"FROM_START"==d){switch(c){case "FROM_START":var e=Blockly.PHP.getAdjusted(a,"AT1");break;case "FROM_END":e=Blockly.PHP.getAdjusted(a,"AT1",1,!1,Blockly.PHP.ORDER_SUBTRACTION);e="count("+b+") - "+e;break;case "FIRST":e="0";break;default:throw Error("Unhandled option (lists_getSublist).");
-}switch(d){case "FROM_START":a=Blockly.PHP.getAdjusted(a,"AT2",0,!1,Blockly.PHP.ORDER_SUBTRACTION);c=a+" - ";c=Blockly.isNumber(String(e))||String(e).match(/^\(.+\)$/)?c+e:c+("("+e+")");c+=" + 1";break;case "FROM_END":a=Blockly.PHP.getAdjusted(a,"AT2",0,!1,Blockly.PHP.ORDER_SUBTRACTION);c="count("+b+") - "+a+" - ";c=Blockly.isNumber(String(e))||String(e).match(/^\(.+\)$/)?c+e:c+("("+e+")");break;case "LAST":c="count("+b+") - ";c=Blockly.isNumber(String(e))||String(e).match(/^\(.+\)$/)?c+e:c+("("+
-e+")");break;default:throw Error("Unhandled option (lists_getSublist).");}b="array_slice("+b+", "+e+", "+c+")"}else e=Blockly.PHP.getAdjusted(a,"AT1"),a=Blockly.PHP.getAdjusted(a,"AT2"),b=Blockly.PHP.provideFunction_("lists_get_sublist",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($list, $where1, $at1, $where2, $at2) {","  if ($where1 == 'FROM_END') {","    $at1 = count($list) - 1 - $at1;","  } else if ($where1 == 'FIRST') {","    $at1 = 0;","  } else if ($where1 != 'FROM_START') {","    throw new Exception('Unhandled option (lists_get_sublist).');",
-"  }","  $length = 0;","  if ($where2 == 'FROM_START') {","    $length = $at2 - $at1 + 1;","  } else if ($where2 == 'FROM_END') {","    $length = count($list) - $at1 - $at2;","  } else if ($where2 == 'LAST') {","    $length = count($list) - $at1;","  } else {","    throw new Exception('Unhandled option (lists_get_sublist).');","  }","  return array_slice($list, $at1, $length);","}"])+"("+b+", '"+c+"', "+e+", '"+d+"', "+a+")";return[b,Blockly.PHP.ORDER_FUNCTION_CALL]};
-Blockly.PHP.lists_sort=function(a){var b=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||"array()",c="1"===a.getFieldValue("DIRECTION")?1:-1;a=a.getFieldValue("TYPE");return[Blockly.PHP.provideFunction_("lists_sort",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($list, $type, $direction) {","  $sortCmpFuncs = array(",'    "NUMERIC" => "strnatcasecmp",','    "TEXT" => "strcmp",','    "IGNORE_CASE" => "strcasecmp"',"  );","  $sortCmp = $sortCmpFuncs[$type];","  $list2 = $list;","  usort($list2, $sortCmp);",
-"  if ($direction == -1) {","    $list2 = array_reverse($list2);","  }","  return $list2;","}"])+"("+b+', "'+a+'", '+c+")",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.lists_split=function(a){var b=Blockly.PHP.valueToCode(a,"INPUT",Blockly.PHP.ORDER_COMMA),c=Blockly.PHP.valueToCode(a,"DELIM",Blockly.PHP.ORDER_COMMA)||"''";a=a.getFieldValue("MODE");if("SPLIT"==a)b||(b="''"),a="explode";else if("JOIN"==a)b||(b="array()"),a="implode";else throw Error("Unknown mode: "+a);return[a+"("+c+", "+b+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
-Blockly.PHP.lists_reverse=function(a){return["array_reverse("+(Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_COMMA)||"[]")+")",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.logic={};
-Blockly.PHP.controls_if=function(a){var b=0,c="";Blockly.PHP.STATEMENT_PREFIX&&(c+=Blockly.PHP.injectId(Blockly.PHP.STATEMENT_PREFIX,a));do{var d=Blockly.PHP.valueToCode(a,"IF"+b,Blockly.PHP.ORDER_NONE)||"false";var e=Blockly.PHP.statementToCode(a,"DO"+b);Blockly.PHP.STATEMENT_SUFFIX&&(e=Blockly.PHP.prefixLines(Blockly.PHP.injectId(Blockly.PHP.STATEMENT_SUFFIX,a),Blockly.PHP.INDENT)+e);c+=(0<b?" else ":"")+"if ("+d+") {\n"+e+"}";++b}while(a.getInput("IF"+b));if(a.getInput("ELSE")||Blockly.PHP.STATEMENT_SUFFIX)e=
-Blockly.PHP.statementToCode(a,"ELSE"),Blockly.PHP.STATEMENT_SUFFIX&&(e=Blockly.PHP.prefixLines(Blockly.PHP.injectId(Blockly.PHP.STATEMENT_SUFFIX,a),Blockly.PHP.INDENT)+e),c+=" else {\n"+e+"}";return c+"\n"};Blockly.PHP.controls_ifelse=Blockly.PHP.controls_if;
-Blockly.PHP.logic_compare=function(a){var b={EQ:"==",NEQ:"!=",LT:"<",LTE:"<=",GT:">",GTE:">="}[a.getFieldValue("OP")],c="=="==b||"!="==b?Blockly.PHP.ORDER_EQUALITY:Blockly.PHP.ORDER_RELATIONAL,d=Blockly.PHP.valueToCode(a,"A",c)||"0";a=Blockly.PHP.valueToCode(a,"B",c)||"0";return[d+" "+b+" "+a,c]};
-Blockly.PHP.logic_operation=function(a){var b="AND"==a.getFieldValue("OP")?"&&":"||",c="&&"==b?Blockly.PHP.ORDER_LOGICAL_AND:Blockly.PHP.ORDER_LOGICAL_OR,d=Blockly.PHP.valueToCode(a,"A",c);a=Blockly.PHP.valueToCode(a,"B",c);if(d||a){var e="&&"==b?"true":"false";d||(d=e);a||(a=e)}else a=d="false";return[d+" "+b+" "+a,c]};Blockly.PHP.logic_negate=function(a){var b=Blockly.PHP.ORDER_LOGICAL_NOT;return["!"+(Blockly.PHP.valueToCode(a,"BOOL",b)||"true"),b]};
-Blockly.PHP.logic_boolean=function(a){return["TRUE"==a.getFieldValue("BOOL")?"true":"false",Blockly.PHP.ORDER_ATOMIC]};Blockly.PHP.logic_null=function(a){return["null",Blockly.PHP.ORDER_ATOMIC]};Blockly.PHP.logic_ternary=function(a){var b=Blockly.PHP.valueToCode(a,"IF",Blockly.PHP.ORDER_CONDITIONAL)||"false",c=Blockly.PHP.valueToCode(a,"THEN",Blockly.PHP.ORDER_CONDITIONAL)||"null";a=Blockly.PHP.valueToCode(a,"ELSE",Blockly.PHP.ORDER_CONDITIONAL)||"null";return[b+" ? "+c+" : "+a,Blockly.PHP.ORDER_CONDITIONAL]};Blockly.PHP.loops={};
-Blockly.PHP.controls_repeat_ext=function(a){var b=a.getField("TIMES")?String(Number(a.getFieldValue("TIMES"))):Blockly.PHP.valueToCode(a,"TIMES",Blockly.PHP.ORDER_ASSIGNMENT)||"0",c=Blockly.PHP.statementToCode(a,"DO");c=Blockly.PHP.addLoopTrap(c,a);a="";var d=Blockly.PHP.variableDB_.getDistinctName("count",Blockly.VARIABLE_CATEGORY_NAME),e=b;b.match(/^\w+$/)||Blockly.isNumber(b)||(e=Blockly.PHP.variableDB_.getDistinctName("repeat_end",Blockly.VARIABLE_CATEGORY_NAME),a+=e+" = "+b+";\n");return a+("for ("+
-d+" = 0; "+d+" < "+e+"; "+d+"++) {\n"+c+"}\n")};Blockly.PHP.controls_repeat=Blockly.PHP.controls_repeat_ext;Blockly.PHP.controls_whileUntil=function(a){var b="UNTIL"==a.getFieldValue("MODE"),c=Blockly.PHP.valueToCode(a,"BOOL",b?Blockly.PHP.ORDER_LOGICAL_NOT:Blockly.PHP.ORDER_NONE)||"false",d=Blockly.PHP.statementToCode(a,"DO");d=Blockly.PHP.addLoopTrap(d,a);b&&(c="!"+c);return"while ("+c+") {\n"+d+"}\n"};
-Blockly.PHP.controls_for=function(a){var b=Blockly.PHP.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME),c=Blockly.PHP.valueToCode(a,"FROM",Blockly.PHP.ORDER_ASSIGNMENT)||"0",d=Blockly.PHP.valueToCode(a,"TO",Blockly.PHP.ORDER_ASSIGNMENT)||"0",e=Blockly.PHP.valueToCode(a,"BY",Blockly.PHP.ORDER_ASSIGNMENT)||"1",f=Blockly.PHP.statementToCode(a,"DO");f=Blockly.PHP.addLoopTrap(f,a);if(Blockly.isNumber(c)&&Blockly.isNumber(d)&&Blockly.isNumber(e)){var g=Number(c)<=Number(d);a="for ("+
-b+" = "+c+"; "+b+(g?" <= ":" >= ")+d+"; "+b;b=Math.abs(Number(e));a=(1==b?a+(g?"++":"--"):a+((g?" += ":" -= ")+b))+(") {\n"+f+"}\n")}else a="",g=c,c.match(/^\w+$/)||Blockly.isNumber(c)||(g=Blockly.PHP.variableDB_.getDistinctName(b+"_start",Blockly.VARIABLE_CATEGORY_NAME),a+=g+" = "+c+";\n"),c=d,d.match(/^\w+$/)||Blockly.isNumber(d)||(c=Blockly.PHP.variableDB_.getDistinctName(b+"_end",Blockly.VARIABLE_CATEGORY_NAME),a+=c+" = "+d+";\n"),d=Blockly.PHP.variableDB_.getDistinctName(b+"_inc",Blockly.VARIABLE_CATEGORY_NAME),
-a+=d+" = ",a=Blockly.isNumber(e)?a+(Math.abs(e)+";\n"):a+("abs("+e+");\n"),a=a+("if ("+g+" > "+c+") {\n")+(Blockly.PHP.INDENT+d+" = -"+d+";\n"),a+="}\n",a+="for ("+b+" = "+g+"; "+d+" >= 0 ? "+b+" <= "+c+" : "+b+" >= "+c+"; "+b+" += "+d+") {\n"+f+"}\n";return a};
-Blockly.PHP.controls_forEach=function(a){var b=Blockly.PHP.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME),c=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_ASSIGNMENT)||"[]",d=Blockly.PHP.statementToCode(a,"DO");d=Blockly.PHP.addLoopTrap(d,a);return"foreach ("+c+" as "+b+") {\n"+d+"}\n"};
-Blockly.PHP.controls_flow_statements=function(a){var b="";Blockly.PHP.STATEMENT_PREFIX&&(b+=Blockly.PHP.injectId(Blockly.PHP.STATEMENT_PREFIX,a));Blockly.PHP.STATEMENT_SUFFIX&&(b+=Blockly.PHP.injectId(Blockly.PHP.STATEMENT_SUFFIX,a));if(Blockly.PHP.STATEMENT_PREFIX){var c=Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN.getSurroundLoop(a);c&&!c.suppressPrefixSuffix&&(b+=Blockly.PHP.injectId(Blockly.PHP.STATEMENT_PREFIX,c))}switch(a.getFieldValue("FLOW")){case "BREAK":return b+"break;\n";case "CONTINUE":return b+
-"continue;\n"}throw Error("Unknown flow statement.");};Blockly.PHP.math={};Blockly.PHP.math_number=function(a){a=Number(a.getFieldValue("NUM"));var b=0<=a?Blockly.PHP.ORDER_ATOMIC:Blockly.PHP.ORDER_UNARY_NEGATION;Infinity==a?a="INF":-Infinity==a&&(a="-INF");return[a,b]};
-Blockly.PHP.math_arithmetic=function(a){var b={ADD:[" + ",Blockly.PHP.ORDER_ADDITION],MINUS:[" - ",Blockly.PHP.ORDER_SUBTRACTION],MULTIPLY:[" * ",Blockly.PHP.ORDER_MULTIPLICATION],DIVIDE:[" / ",Blockly.PHP.ORDER_DIVISION],POWER:[" ** ",Blockly.PHP.ORDER_POWER]}[a.getFieldValue("OP")],c=b[0];b=b[1];var d=Blockly.PHP.valueToCode(a,"A",b)||"0";a=Blockly.PHP.valueToCode(a,"B",b)||"0";return[d+c+a,b]};
-Blockly.PHP.math_single=function(a){var b=a.getFieldValue("OP");if("NEG"==b)return a=Blockly.PHP.valueToCode(a,"NUM",Blockly.PHP.ORDER_UNARY_NEGATION)||"0","-"==a[0]&&(a=" "+a),["-"+a,Blockly.PHP.ORDER_UNARY_NEGATION];a="SIN"==b||"COS"==b||"TAN"==b?Blockly.PHP.valueToCode(a,"NUM",Blockly.PHP.ORDER_DIVISION)||"0":Blockly.PHP.valueToCode(a,"NUM",Blockly.PHP.ORDER_NONE)||"0";switch(b){case "ABS":var c="abs("+a+")";break;case "ROOT":c="sqrt("+a+")";break;case "LN":c="log("+a+")";break;case "EXP":c="exp("+
-a+")";break;case "POW10":c="pow(10,"+a+")";break;case "ROUND":c="round("+a+")";break;case "ROUNDUP":c="ceil("+a+")";break;case "ROUNDDOWN":c="floor("+a+")";break;case "SIN":c="sin("+a+" / 180 * pi())";break;case "COS":c="cos("+a+" / 180 * pi())";break;case "TAN":c="tan("+a+" / 180 * pi())"}if(c)return[c,Blockly.PHP.ORDER_FUNCTION_CALL];switch(b){case "LOG10":c="log("+a+") / log(10)";break;case "ASIN":c="asin("+a+") / pi() * 180";break;case "ACOS":c="acos("+a+") / pi() * 180";break;case "ATAN":c="atan("+
-a+") / pi() * 180";break;default:throw Error("Unknown math operator: "+b);}return[c,Blockly.PHP.ORDER_DIVISION]};Blockly.PHP.math_constant=function(a){return{PI:["M_PI",Blockly.PHP.ORDER_ATOMIC],E:["M_E",Blockly.PHP.ORDER_ATOMIC],GOLDEN_RATIO:["(1 + sqrt(5)) / 2",Blockly.PHP.ORDER_DIVISION],SQRT2:["M_SQRT2",Blockly.PHP.ORDER_ATOMIC],SQRT1_2:["M_SQRT1_2",Blockly.PHP.ORDER_ATOMIC],INFINITY:["INF",Blockly.PHP.ORDER_ATOMIC]}[a.getFieldValue("CONSTANT")]};
-Blockly.PHP.math_number_property=function(a){var b=Blockly.PHP.valueToCode(a,"NUMBER_TO_CHECK",Blockly.PHP.ORDER_MODULUS)||"0",c=a.getFieldValue("PROPERTY");if("PRIME"==c)return[Blockly.PHP.provideFunction_("math_isPrime",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($n) {","  // https://en.wikipedia.org/wiki/Primality_test#Naive_methods","  if ($n == 2 || $n == 3) {","    return true;","  }","  // False if n is NaN, negative, is 1, or not whole.","  // And false if n is divisible by 2 or 3.",
-"  if (!is_numeric($n) || $n <= 1 || $n % 1 != 0 || $n % 2 == 0 || $n % 3 == 0) {","    return false;","  }","  // Check all the numbers of form 6k +/- 1, up to sqrt(n).","  for ($x = 6; $x <= sqrt($n) + 1; $x += 6) {","    if ($n % ($x - 1) == 0 || $n % ($x + 1) == 0) {","      return false;","    }","  }","  return true;","}"])+"("+b+")",Blockly.PHP.ORDER_FUNCTION_CALL];switch(c){case "EVEN":var d=b+" % 2 == 0";break;case "ODD":d=b+" % 2 == 1";break;case "WHOLE":d="is_int("+b+")";break;case "POSITIVE":d=
-b+" > 0";break;case "NEGATIVE":d=b+" < 0";break;case "DIVISIBLE_BY":a=Blockly.PHP.valueToCode(a,"DIVISOR",Blockly.PHP.ORDER_MODULUS)||"0",d=b+" % "+a+" == 0"}return[d,Blockly.PHP.ORDER_EQUALITY]};Blockly.PHP.math_change=function(a){var b=Blockly.PHP.valueToCode(a,"DELTA",Blockly.PHP.ORDER_ADDITION)||"0";return Blockly.PHP.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME)+" += "+b+";\n"};Blockly.PHP.math_round=Blockly.PHP.math_single;Blockly.PHP.math_trig=Blockly.PHP.math_single;
-Blockly.PHP.math_on_list=function(a){var b=a.getFieldValue("OP");switch(b){case "SUM":a=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_FUNCTION_CALL)||"array()";a="array_sum("+a+")";break;case "MIN":a=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_FUNCTION_CALL)||"array()";a="min("+a+")";break;case "MAX":a=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_FUNCTION_CALL)||"array()";a="max("+a+")";break;case "AVERAGE":b=Blockly.PHP.provideFunction_("math_mean",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+
-"($myList) {","  return array_sum($myList) / count($myList);","}"]);a=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_NONE)||"array()";a=b+"("+a+")";break;case "MEDIAN":b=Blockly.PHP.provideFunction_("math_median",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($arr) {","  sort($arr,SORT_NUMERIC);","  return (count($arr) % 2) ? $arr[floor(count($arr)/2)] : ","      ($arr[floor(count($arr)/2)] + $arr[floor(count($arr)/2) - 1]) / 2;","}"]);a=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_NONE)||
-"[]";a=b+"("+a+")";break;case "MODE":b=Blockly.PHP.provideFunction_("math_modes",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($values) {","  if (empty($values)) return array();","  $counts = array_count_values($values);","  arsort($counts); // Sort counts in descending order","  $modes = array_keys($counts, current($counts), true);","  return $modes;","}"]);a=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_NONE)||"[]";a=b+"("+a+")";break;case "STD_DEV":b=Blockly.PHP.provideFunction_("math_standard_deviation",
-["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($numbers) {","  $n = count($numbers);","  if (!$n) return null;","  $mean = array_sum($numbers) / count($numbers);","  foreach($numbers as $key => $num) $devs[$key] = pow($num - $mean, 2);","  return sqrt(array_sum($devs) / (count($devs) - 1));","}"]);a=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_NONE)||"[]";a=b+"("+a+")";break;case "RANDOM":b=Blockly.PHP.provideFunction_("math_random_list",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+
-"($list) {","  $x = rand(0, count($list)-1);","  return $list[$x];","}"]);a=Blockly.PHP.valueToCode(a,"LIST",Blockly.PHP.ORDER_NONE)||"[]";a=b+"("+a+")";break;default:throw Error("Unknown operator: "+b);}return[a,Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.math_modulo=function(a){var b=Blockly.PHP.valueToCode(a,"DIVIDEND",Blockly.PHP.ORDER_MODULUS)||"0";a=Blockly.PHP.valueToCode(a,"DIVISOR",Blockly.PHP.ORDER_MODULUS)||"0";return[b+" % "+a,Blockly.PHP.ORDER_MODULUS]};
-Blockly.PHP.math_constrain=function(a){var b=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_COMMA)||"0",c=Blockly.PHP.valueToCode(a,"LOW",Blockly.PHP.ORDER_COMMA)||"0";a=Blockly.PHP.valueToCode(a,"HIGH",Blockly.PHP.ORDER_COMMA)||"Infinity";return["min(max("+b+", "+c+"), "+a+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
-Blockly.PHP.math_random_int=function(a){var b=Blockly.PHP.valueToCode(a,"FROM",Blockly.PHP.ORDER_COMMA)||"0";a=Blockly.PHP.valueToCode(a,"TO",Blockly.PHP.ORDER_COMMA)||"0";return[Blockly.PHP.provideFunction_("math_random_int",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($a, $b) {","  if ($a > $b) {","    return rand($b, $a);","  }","  return rand($a, $b);","}"])+"("+b+", "+a+")",Blockly.PHP.ORDER_FUNCTION_CALL]};
-Blockly.PHP.math_random_float=function(a){return["(float)rand()/(float)getrandmax()",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.math_atan2=function(a){var b=Blockly.PHP.valueToCode(a,"X",Blockly.PHP.ORDER_COMMA)||"0";return["atan2("+(Blockly.PHP.valueToCode(a,"Y",Blockly.PHP.ORDER_COMMA)||"0")+", "+b+") / pi() * 180",Blockly.PHP.ORDER_DIVISION]};Blockly.PHP.procedures={};
-Blockly.PHP.procedures_defreturn=function(a){for(var b=[],c,d=a.workspace,e=Blockly.Variables.allUsedVarModels(d)||[],f=0;c=e[f];f++)c=c.name,-1==a.getVars().indexOf(c)&&b.push(Blockly.PHP.variableDB_.getName(c,Blockly.VARIABLE_CATEGORY_NAME));e=Blockly.Variables.allDeveloperVariables(d);for(f=0;f<e.length;f++)b.push(Blockly.PHP.variableDB_.getName(e[f],Blockly.Names.DEVELOPER_VARIABLE_TYPE));b=b.length?Blockly.PHP.INDENT+"global "+b.join(", ")+";\n":"";d=Blockly.PHP.variableDB_.getName(a.getFieldValue("NAME"),Blockly.PROCEDURE_CATEGORY_NAME);
-c="";Blockly.PHP.STATEMENT_PREFIX&&(c+=Blockly.PHP.injectId(Blockly.PHP.STATEMENT_PREFIX,a));Blockly.PHP.STATEMENT_SUFFIX&&(c+=Blockly.PHP.injectId(Blockly.PHP.STATEMENT_SUFFIX,a));c&&(c=Blockly.PHP.prefixLines(c,Blockly.PHP.INDENT));var g="";Blockly.PHP.INFINITE_LOOP_TRAP&&(g=Blockly.PHP.prefixLines(Blockly.PHP.injectId(Blockly.PHP.INFINITE_LOOP_TRAP,a),Blockly.PHP.INDENT));var k=Blockly.PHP.statementToCode(a,"STACK"),h=Blockly.PHP.valueToCode(a,"RETURN",Blockly.PHP.ORDER_NONE)||"",l="";k&&h&&(l=
-c);h&&(h=Blockly.PHP.INDENT+"return "+h+";\n");var m=[];e=a.getVars();for(f=0;f<e.length;f++)m[f]=Blockly.PHP.variableDB_.getName(e[f],Blockly.VARIABLE_CATEGORY_NAME);b="function "+d+"("+m.join(", ")+") {\n"+b+c+g+k+l+h+"}";b=Blockly.PHP.scrub_(a,b);Blockly.PHP.definitions_["%"+d]=b;return null};Blockly.PHP.procedures_defnoreturn=Blockly.PHP.procedures_defreturn;
-Blockly.PHP.procedures_callreturn=function(a){for(var b=Blockly.PHP.variableDB_.getName(a.getFieldValue("NAME"),Blockly.PROCEDURE_CATEGORY_NAME),c=[],d=a.getVars(),e=0;e<d.length;e++)c[e]=Blockly.PHP.valueToCode(a,"ARG"+e,Blockly.PHP.ORDER_COMMA)||"null";return[b+"("+c.join(", ")+")",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.procedures_callnoreturn=function(a){return Blockly.PHP.procedures_callreturn(a)[0]+";\n"};
-Blockly.PHP.procedures_ifreturn=function(a){var b="if ("+(Blockly.PHP.valueToCode(a,"CONDITION",Blockly.PHP.ORDER_NONE)||"false")+") {\n";Blockly.PHP.STATEMENT_SUFFIX&&(b+=Blockly.PHP.prefixLines(Blockly.PHP.injectId(Blockly.PHP.STATEMENT_SUFFIX,a),Blockly.PHP.INDENT));a.hasReturnValue_?(a=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"null",b+=Blockly.PHP.INDENT+"return "+a+";\n"):b+=Blockly.PHP.INDENT+"return;\n";return b+"}\n"};Blockly.PHP.texts={};Blockly.PHP.text=function(a){return[Blockly.PHP.quote_(a.getFieldValue("TEXT")),Blockly.PHP.ORDER_ATOMIC]};Blockly.PHP.text_multiline=function(a){return[Blockly.PHP.multiline_quote_(a.getFieldValue("TEXT")),Blockly.PHP.ORDER_ATOMIC]};
-Blockly.PHP.text_join=function(a){if(0==a.itemCount_)return["''",Blockly.PHP.ORDER_ATOMIC];if(1==a.itemCount_)return[Blockly.PHP.valueToCode(a,"ADD0",Blockly.PHP.ORDER_NONE)||"''",Blockly.PHP.ORDER_FUNCTION_CALL];if(2==a.itemCount_){var b=Blockly.PHP.valueToCode(a,"ADD0",Blockly.PHP.ORDER_ATOMIC)||"''";a=Blockly.PHP.valueToCode(a,"ADD1",Blockly.PHP.ORDER_ATOMIC)||"''";return[b+" . "+a,Blockly.PHP.ORDER_STRING_CONCAT]}b=Array(a.itemCount_);for(var c=0;c<a.itemCount_;c++)b[c]=Blockly.PHP.valueToCode(a,
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-Blockly.PHP.text_indexOf=function(a){var b="FIRST"==a.getFieldValue("END")?"strpos":"strrpos",c=Blockly.PHP.valueToCode(a,"FIND",Blockly.PHP.ORDER_NONE)||"''",d=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_NONE)||"''";if(a.workspace.options.oneBasedIndex)var e=" 0",f=" + 1";else e=" -1",f="";return[Blockly.PHP.provideFunction_("FIRST"==a.getFieldValue("END")?"text_indexOf":"text_lastIndexOf",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($text, $search) {","  $pos = "+b+"($text, $search);",
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-Blockly.PHP.text_getSubstring=function(a){var b=Blockly.PHP.valueToCode(a,"STRING",Blockly.PHP.ORDER_FUNCTION_CALL)||"''",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");if("FIRST"!=c||"LAST"!=d){var e=Blockly.PHP.getAdjusted(a,"AT1");a=Blockly.PHP.getAdjusted(a,"AT2");b=Blockly.PHP.provideFunction_("text_get_substring",["function "+Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_+"($text, $where1, $at1, $where2, $at2) {","  if ($where1 == 'FROM_END') {","    $at1 = strlen($text) - 1 - $at1;","  } else if ($where1 == 'FIRST') {",
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-Blockly.PHP.text_trim=function(a){var b={LEFT:"ltrim",RIGHT:"rtrim",BOTH:"trim"}[a.getFieldValue("MODE")];a=Blockly.PHP.valueToCode(a,"TEXT",Blockly.PHP.ORDER_NONE)||"''";return[b+"("+a+")",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.text_print=function(a){return"print("+(Blockly.PHP.valueToCode(a,"TEXT",Blockly.PHP.ORDER_NONE)||"''")+");\n"};
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-Blockly.PHP.text_count=function(a){var b=Blockly.PHP.valueToCode(a,"TEXT",Blockly.PHP.ORDER_MEMBER)||"''";a=Blockly.PHP.valueToCode(a,"SUB",Blockly.PHP.ORDER_NONE)||"''";return["strlen("+a+") === 0 ? strlen("+b+") + 1 : substr_count("+b+", "+a+")",Blockly.PHP.ORDER_CONDITIONAL]};
-Blockly.PHP.text_replace=function(a){var b=Blockly.PHP.valueToCode(a,"TEXT",Blockly.PHP.ORDER_MEMBER)||"''",c=Blockly.PHP.valueToCode(a,"FROM",Blockly.PHP.ORDER_NONE)||"''";a=Blockly.PHP.valueToCode(a,"TO",Blockly.PHP.ORDER_NONE)||"''";return["str_replace("+c+", "+a+", "+b+")",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.text_reverse=function(a){return["strrev("+(Blockly.PHP.valueToCode(a,"TEXT",Blockly.PHP.ORDER_MEMBER)||"''")+")",Blockly.PHP.ORDER_FUNCTION_CALL]};Blockly.PHP.variables={};Blockly.PHP.variables_get=function(a){return[Blockly.PHP.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME),Blockly.PHP.ORDER_ATOMIC]};Blockly.PHP.variables_set=function(a){var b=Blockly.PHP.valueToCode(a,"VALUE",Blockly.PHP.ORDER_ASSIGNMENT)||"0";return Blockly.PHP.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME)+" = "+b+";\n"};Blockly.PHP.variablesDynamic={};Blockly.PHP.variables_get_dynamic=Blockly.PHP.variables_get;Blockly.PHP.variables_set_dynamic=Blockly.PHP.variables_set;
-return Blockly.PHP;
-}));
-
-
-//# sourceMappingURL=php_compressed.js.map
diff --git a/php_compressed.js.map b/php_compressed.js.map
deleted file mode 100644
index 987bffc76a5..00000000000
--- a/php_compressed.js.map
+++ /dev/null
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\ No newline at end of file
diff --git a/python_compressed.js b/python_compressed.js
deleted file mode 100644
index 36485a8b179..00000000000
--- a/python_compressed.js
+++ /dev/null
@@ -1,98 +0,0 @@
-// Do not edit this file; automatically generated by gulp.
-
-/* eslint-disable */
-;(function(root, factory) {
-  if (typeof define === 'function' && define.amd) { // AMD
-    define(['./blockly_compressed.js'], factory);
-  } else if (typeof exports === 'object') { // Node.js
-    module.exports = factory(require('./blockly_compressed.js'));
-  } else { // Browser
-    root.Blockly.Python = factory(root.Blockly);
-  }
-}(this, function(Blockly) {
-  'use strict';Blockly.Python=new Blockly.Generator("Python");Blockly.Python.addReservedWords("False,None,True,and,as,assert,break,class,continue,def,del,elif,else,except,exec,finally,for,from,global,if,import,in,is,lambda,nonlocal,not,or,pass,print,raise,return,try,while,with,yield,NotImplemented,Ellipsis,__debug__,quit,exit,copyright,license,credits,ArithmeticError,AssertionError,AttributeError,BaseException,BlockingIOError,BrokenPipeError,BufferError,BytesWarning,ChildProcessError,ConnectionAbortedError,ConnectionError,ConnectionRefusedError,ConnectionResetError,DeprecationWarning,EOFError,Ellipsis,EnvironmentError,Exception,FileExistsError,FileNotFoundError,FloatingPointError,FutureWarning,GeneratorExit,IOError,ImportError,ImportWarning,IndentationError,IndexError,InterruptedError,IsADirectoryError,KeyError,KeyboardInterrupt,LookupError,MemoryError,ModuleNotFoundError,NameError,NotADirectoryError,NotImplemented,NotImplementedError,OSError,OverflowError,PendingDeprecationWarning,PermissionError,ProcessLookupError,RecursionError,ReferenceError,ResourceWarning,RuntimeError,RuntimeWarning,StandardError,StopAsyncIteration,StopIteration,SyntaxError,SyntaxWarning,SystemError,SystemExit,TabError,TimeoutError,TypeError,UnboundLocalError,UnicodeDecodeError,UnicodeEncodeError,UnicodeError,UnicodeTranslateError,UnicodeWarning,UserWarning,ValueError,Warning,ZeroDivisionError,_,__build_class__,__debug__,__doc__,__import__,__loader__,__name__,__package__,__spec__,abs,all,any,apply,ascii,basestring,bin,bool,buffer,bytearray,bytes,callable,chr,classmethod,cmp,coerce,compile,complex,copyright,credits,delattr,dict,dir,divmod,enumerate,eval,exec,execfile,exit,file,filter,float,format,frozenset,getattr,globals,hasattr,hash,help,hex,id,input,int,intern,isinstance,issubclass,iter,len,license,list,locals,long,map,max,memoryview,min,next,object,oct,open,ord,pow,print,property,quit,range,raw_input,reduce,reload,repr,reversed,round,set,setattr,slice,sorted,staticmethod,str,sum,super,tuple,type,unichr,unicode,vars,xrange,zip");
-Blockly.Python.ORDER_ATOMIC=0;Blockly.Python.ORDER_COLLECTION=1;Blockly.Python.ORDER_STRING_CONVERSION=1;Blockly.Python.ORDER_MEMBER=2.1;Blockly.Python.ORDER_FUNCTION_CALL=2.2;Blockly.Python.ORDER_EXPONENTIATION=3;Blockly.Python.ORDER_UNARY_SIGN=4;Blockly.Python.ORDER_BITWISE_NOT=4;Blockly.Python.ORDER_MULTIPLICATIVE=5;Blockly.Python.ORDER_ADDITIVE=6;Blockly.Python.ORDER_BITWISE_SHIFT=7;Blockly.Python.ORDER_BITWISE_AND=8;Blockly.Python.ORDER_BITWISE_XOR=9;Blockly.Python.ORDER_BITWISE_OR=10;
-Blockly.Python.ORDER_RELATIONAL=11;Blockly.Python.ORDER_LOGICAL_NOT=12;Blockly.Python.ORDER_LOGICAL_AND=13;Blockly.Python.ORDER_LOGICAL_OR=14;Blockly.Python.ORDER_CONDITIONAL=15;Blockly.Python.ORDER_LAMBDA=16;Blockly.Python.ORDER_NONE=99;
-Blockly.Python.ORDER_OVERRIDES=[[Blockly.Python.ORDER_FUNCTION_CALL,Blockly.Python.ORDER_MEMBER],[Blockly.Python.ORDER_FUNCTION_CALL,Blockly.Python.ORDER_FUNCTION_CALL],[Blockly.Python.ORDER_MEMBER,Blockly.Python.ORDER_MEMBER],[Blockly.Python.ORDER_MEMBER,Blockly.Python.ORDER_FUNCTION_CALL],[Blockly.Python.ORDER_LOGICAL_NOT,Blockly.Python.ORDER_LOGICAL_NOT],[Blockly.Python.ORDER_LOGICAL_AND,Blockly.Python.ORDER_LOGICAL_AND],[Blockly.Python.ORDER_LOGICAL_OR,Blockly.Python.ORDER_LOGICAL_OR]];
-Blockly.Python.init=function(a){Blockly.Python.PASS=this.INDENT+"pass\n";Blockly.Python.definitions_=Object.create(null);Blockly.Python.functionNames_=Object.create(null);Blockly.Python.variableDB_?Blockly.Python.variableDB_.reset():Blockly.Python.variableDB_=new Blockly.Names(Blockly.Python.RESERVED_WORDS_);Blockly.Python.variableDB_.setVariableMap(a.getVariableMap());for(var b=[],c=Blockly.Variables.allDeveloperVariables(a),d=0;d<c.length;d++)b.push(Blockly.Python.variableDB_.getName(c[d],Blockly.Names.DEVELOPER_VARIABLE_TYPE)+
-" = None");a=Blockly.Variables.allUsedVarModels(a);for(d=0;d<a.length;d++)b.push(Blockly.Python.variableDB_.getName(a[d].getId(),Blockly.VARIABLE_CATEGORY_NAME)+" = None");Blockly.Python.definitions_.variables=b.join("\n")};
-Blockly.Python.finish=function(a){var b=[],c=[],d;for(d in Blockly.Python.definitions_){var e=Blockly.Python.definitions_[d];e.match(/^(from\s+\S+\s+)?import\s+\S+/)?b.push(e):c.push(e)}delete Blockly.Python.definitions_;delete Blockly.Python.functionNames_;Blockly.Python.variableDB_.reset();return(b.join("\n")+"\n\n"+c.join("\n\n")).replace(/\n\n+/g,"\n\n").replace(/\n*$/,"\n\n\n")+a};Blockly.Python.scrubNakedValue=function(a){return a+"\n"};
-Blockly.Python.quote_=function(a){a=a.replace(/\\/g,"\\\\").replace(/\n/g,"\\\n");var b="'";-1!==a.indexOf("'")&&(-1===a.indexOf('"')?b='"':a=a.replace(/'/g,"\\'"));return b+a+b};Blockly.Python.multiline_quote_=function(a){return a.split(/\n/g).map(Blockly.Python.quote_).join(" + '\\n' + \n")};
-Blockly.Python.scrub_=function(a,b,c){var d="";if(!a.outputConnection||!a.outputConnection.targetConnection){var e=a.getCommentText();e&&(e=Blockly.utils.string.wrap(e,Blockly.Python.COMMENT_WRAP-3),d+=Blockly.Python.prefixLines(e+"\n","# "));for(var f=0;f<a.inputList.length;f++)a.inputList[f].type==Blockly.INPUT_VALUE&&(e=a.inputList[f].connection.targetBlock())&&(e=Blockly.Python.allNestedComments(e))&&(d+=Blockly.Python.prefixLines(e,"# "))}a=a.nextConnection&&a.nextConnection.targetBlock();c=
-c?"":Blockly.Python.blockToCode(a);return d+b+c};Blockly.Python.getAdjustedInt=function(a,b,c,d){c=c||0;a.workspace.options.oneBasedIndex&&c--;var e=a.workspace.options.oneBasedIndex?"1":"0";a=Blockly.Python.valueToCode(a,b,c?Blockly.Python.ORDER_ADDITIVE:Blockly.Python.ORDER_NONE)||e;Blockly.isNumber(a)?(a=parseInt(a,10)+c,d&&(a=-a)):(a=0<c?"int("+a+" + "+c+")":0>c?"int("+a+" - "+-c+")":"int("+a+")",d&&(a="-"+a));return a};Blockly.Python.colour={};Blockly.Python.colour_picker=function(a){return[Blockly.Python.quote_(a.getFieldValue("COLOUR")),Blockly.Python.ORDER_ATOMIC]};Blockly.Python.colour_random=function(a){Blockly.Python.definitions_.import_random="import random";return["'#%06x' % random.randint(0, 2**24 - 1)",Blockly.Python.ORDER_FUNCTION_CALL]};
-Blockly.Python.colour_rgb=function(a){var b=Blockly.Python.provideFunction_("colour_rgb",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(r, g, b):","  r = round(min(100, max(0, r)) * 2.55)","  g = round(min(100, max(0, g)) * 2.55)","  b = round(min(100, max(0, b)) * 2.55)","  return '#%02x%02x%02x' % (r, g, b)"]),c=Blockly.Python.valueToCode(a,"RED",Blockly.Python.ORDER_NONE)||0,d=Blockly.Python.valueToCode(a,"GREEN",Blockly.Python.ORDER_NONE)||0;a=Blockly.Python.valueToCode(a,"BLUE",Blockly.Python.ORDER_NONE)||
-0;return[b+"("+c+", "+d+", "+a+")",Blockly.Python.ORDER_FUNCTION_CALL]};
-Blockly.Python.colour_blend=function(a){var b=Blockly.Python.provideFunction_("colour_blend",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(colour1, colour2, ratio):","  r1, r2 = int(colour1[1:3], 16), int(colour2[1:3], 16)","  g1, g2 = int(colour1[3:5], 16), int(colour2[3:5], 16)","  b1, b2 = int(colour1[5:7], 16), int(colour2[5:7], 16)","  ratio = min(1, max(0, ratio))","  r = round(r1 * (1 - ratio) + r2 * ratio)","  g = round(g1 * (1 - ratio) + g2 * ratio)","  b = round(b1 * (1 - ratio) + b2 * ratio)",
-"  return '#%02x%02x%02x' % (r, g, b)"]),c=Blockly.Python.valueToCode(a,"COLOUR1",Blockly.Python.ORDER_NONE)||"'#000000'",d=Blockly.Python.valueToCode(a,"COLOUR2",Blockly.Python.ORDER_NONE)||"'#000000'";a=Blockly.Python.valueToCode(a,"RATIO",Blockly.Python.ORDER_NONE)||0;return[b+"("+c+", "+d+", "+a+")",Blockly.Python.ORDER_FUNCTION_CALL]};Blockly.Python.lists={};Blockly.Python.lists_create_empty=function(a){return["[]",Blockly.Python.ORDER_ATOMIC]};Blockly.Python.lists_create_with=function(a){for(var b=Array(a.itemCount_),c=0;c<a.itemCount_;c++)b[c]=Blockly.Python.valueToCode(a,"ADD"+c,Blockly.Python.ORDER_NONE)||"None";return["["+b.join(", ")+"]",Blockly.Python.ORDER_ATOMIC]};
-Blockly.Python.lists_repeat=function(a){var b=Blockly.Python.valueToCode(a,"ITEM",Blockly.Python.ORDER_NONE)||"None";a=Blockly.Python.valueToCode(a,"NUM",Blockly.Python.ORDER_MULTIPLICATIVE)||"0";return["["+b+"] * "+a,Blockly.Python.ORDER_MULTIPLICATIVE]};Blockly.Python.lists_length=function(a){return["len("+(Blockly.Python.valueToCode(a,"VALUE",Blockly.Python.ORDER_NONE)||"[]")+")",Blockly.Python.ORDER_FUNCTION_CALL]};
-Blockly.Python.lists_isEmpty=function(a){return["not len("+(Blockly.Python.valueToCode(a,"VALUE",Blockly.Python.ORDER_NONE)||"[]")+")",Blockly.Python.ORDER_LOGICAL_NOT]};
-Blockly.Python.lists_indexOf=function(a){var b=Blockly.Python.valueToCode(a,"FIND",Blockly.Python.ORDER_NONE)||"[]",c=Blockly.Python.valueToCode(a,"VALUE",Blockly.Python.ORDER_NONE)||"''";if(a.workspace.options.oneBasedIndex)var d=" 0",e=" + 1",f="";else d=" -1",e="",f=" - 1";if("FIRST"==a.getFieldValue("END"))return a=Blockly.Python.provideFunction_("first_index",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(my_list, elem):","  try: index = my_list.index(elem)"+e,"  except: index ="+d,"  return index"]),
-[a+"("+c+", "+b+")",Blockly.Python.ORDER_FUNCTION_CALL];a=Blockly.Python.provideFunction_("last_index",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(my_list, elem):","  try: index = len(my_list) - my_list[::-1].index(elem)"+f,"  except: index ="+d,"  return index"]);return[a+"("+c+", "+b+")",Blockly.Python.ORDER_FUNCTION_CALL]};
-Blockly.Python.lists_getIndex=function(a){var b=a.getFieldValue("MODE")||"GET",c=a.getFieldValue("WHERE")||"FROM_START",d=Blockly.Python.valueToCode(a,"VALUE","RANDOM"==c?Blockly.Python.ORDER_NONE:Blockly.Python.ORDER_MEMBER)||"[]";switch(c){case "FIRST":if("GET"==b)return[d+"[0]",Blockly.Python.ORDER_MEMBER];if("GET_REMOVE"==b)return[d+".pop(0)",Blockly.Python.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+".pop(0)\n";break;case "LAST":if("GET"==b)return[d+"[-1]",Blockly.Python.ORDER_MEMBER];if("GET_REMOVE"==
-b)return[d+".pop()",Blockly.Python.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+".pop()\n";break;case "FROM_START":a=Blockly.Python.getAdjustedInt(a,"AT");if("GET"==b)return[d+"["+a+"]",Blockly.Python.ORDER_MEMBER];if("GET_REMOVE"==b)return[d+".pop("+a+")",Blockly.Python.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+".pop("+a+")\n";break;case "FROM_END":a=Blockly.Python.getAdjustedInt(a,"AT",1,!0);if("GET"==b)return[d+"["+a+"]",Blockly.Python.ORDER_MEMBER];if("GET_REMOVE"==b)return[d+".pop("+a+")",
-Blockly.Python.ORDER_FUNCTION_CALL];if("REMOVE"==b)return d+".pop("+a+")\n";break;case "RANDOM":Blockly.Python.definitions_.import_random="import random";if("GET"==b)return["random.choice("+d+")",Blockly.Python.ORDER_FUNCTION_CALL];d=Blockly.Python.provideFunction_("lists_remove_random_item",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(myList):","  x = int(random.random() * len(myList))","  return myList.pop(x)"])+"("+d+")";if("GET_REMOVE"==b)return[d,Blockly.Python.ORDER_FUNCTION_CALL];if("REMOVE"==
-b)return d+"\n"}throw Error("Unhandled combination (lists_getIndex).");};
-Blockly.Python.lists_setIndex=function(a){var b=Blockly.Python.valueToCode(a,"LIST",Blockly.Python.ORDER_MEMBER)||"[]",c=a.getFieldValue("MODE")||"GET",d=a.getFieldValue("WHERE")||"FROM_START",e=Blockly.Python.valueToCode(a,"TO",Blockly.Python.ORDER_NONE)||"None";switch(d){case "FIRST":if("SET"==c)return b+"[0] = "+e+"\n";if("INSERT"==c)return b+".insert(0, "+e+")\n";break;case "LAST":if("SET"==c)return b+"[-1] = "+e+"\n";if("INSERT"==c)return b+".append("+e+")\n";break;case "FROM_START":a=Blockly.Python.getAdjustedInt(a,
-"AT");if("SET"==c)return b+"["+a+"] = "+e+"\n";if("INSERT"==c)return b+".insert("+a+", "+e+")\n";break;case "FROM_END":a=Blockly.Python.getAdjustedInt(a,"AT",1,!0);if("SET"==c)return b+"["+a+"] = "+e+"\n";if("INSERT"==c)return b+".insert("+a+", "+e+")\n";break;case "RANDOM":Blockly.Python.definitions_.import_random="import random";b.match(/^\w+$/)?a="":(a=Blockly.Python.variableDB_.getDistinctName("tmp_list",Blockly.VARIABLE_CATEGORY_NAME),d=a+" = "+b+"\n",b=a,a=d);d=Blockly.Python.variableDB_.getDistinctName("tmp_x",
-Blockly.VARIABLE_CATEGORY_NAME);a+=d+" = int(random.random() * len("+b+"))\n";if("SET"==c)return a+(b+"["+d+"] = "+e+"\n");if("INSERT"==c)return a+(b+".insert("+d+", "+e+")\n")}throw Error("Unhandled combination (lists_setIndex).");};
-Blockly.Python.lists_getSublist=function(a){var b=Blockly.Python.valueToCode(a,"LIST",Blockly.Python.ORDER_MEMBER)||"[]",c=a.getFieldValue("WHERE1"),d=a.getFieldValue("WHERE2");switch(c){case "FROM_START":c=Blockly.Python.getAdjustedInt(a,"AT1");"0"==c&&(c="");break;case "FROM_END":c=Blockly.Python.getAdjustedInt(a,"AT1",1,!0);break;case "FIRST":c="";break;default:throw Error("Unhandled option (lists_getSublist)");}switch(d){case "FROM_START":a=Blockly.Python.getAdjustedInt(a,"AT2",1);break;case "FROM_END":a=
-Blockly.Python.getAdjustedInt(a,"AT2",0,!0);Blockly.isNumber(String(a))?"0"==a&&(a=""):(Blockly.Python.definitions_.import_sys="import sys",a+=" or sys.maxsize");break;case "LAST":a="";break;default:throw Error("Unhandled option (lists_getSublist)");}return[b+"["+c+" : "+a+"]",Blockly.Python.ORDER_MEMBER]};
-Blockly.Python.lists_sort=function(a){var b=Blockly.Python.valueToCode(a,"LIST",Blockly.Python.ORDER_NONE)||"[]",c=a.getFieldValue("TYPE");a="1"===a.getFieldValue("DIRECTION")?"False":"True";return[Blockly.Python.provideFunction_("lists_sort",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(my_list, type, reverse):","  def try_float(s):","    try:","      return float(s)","    except:","      return 0","  key_funcs = {",'    "NUMERIC": try_float,','    "TEXT": str,','    "IGNORE_CASE": lambda s: str(s).lower()',
-"  }","  key_func = key_funcs[type]","  list_cpy = list(my_list)","  return sorted(list_cpy, key=key_func, reverse=reverse)"])+"("+b+', "'+c+'", '+a+")",Blockly.Python.ORDER_FUNCTION_CALL]};
-Blockly.Python.lists_split=function(a){var b=a.getFieldValue("MODE");if("SPLIT"==b)b=Blockly.Python.valueToCode(a,"INPUT",Blockly.Python.ORDER_MEMBER)||"''",a=Blockly.Python.valueToCode(a,"DELIM",Blockly.Python.ORDER_NONE),a=b+".split("+a+")";else if("JOIN"==b)b=Blockly.Python.valueToCode(a,"INPUT",Blockly.Python.ORDER_NONE)||"[]",a=Blockly.Python.valueToCode(a,"DELIM",Blockly.Python.ORDER_MEMBER)||"''",a=a+".join("+b+")";else throw Error("Unknown mode: "+b);return[a,Blockly.Python.ORDER_FUNCTION_CALL]};
-Blockly.Python.lists_reverse=function(a){return["list(reversed("+(Blockly.Python.valueToCode(a,"LIST",Blockly.Python.ORDER_NONE)||"[]")+"))",Blockly.Python.ORDER_FUNCTION_CALL]};Blockly.Python.logic={};
-Blockly.Python.controls_if=function(a){var b=0,c="";Blockly.Python.STATEMENT_PREFIX&&(c+=Blockly.Python.injectId(Blockly.Python.STATEMENT_PREFIX,a));do{var d=Blockly.Python.valueToCode(a,"IF"+b,Blockly.Python.ORDER_NONE)||"False";var e=Blockly.Python.statementToCode(a,"DO"+b)||Blockly.Python.PASS;Blockly.Python.STATEMENT_SUFFIX&&(e=Blockly.Python.prefixLines(Blockly.Python.injectId(Blockly.Python.STATEMENT_SUFFIX,a),Blockly.Python.INDENT)+e);c+=(0==b?"if ":"elif ")+d+":\n"+e;++b}while(a.getInput("IF"+
-b));if(a.getInput("ELSE")||Blockly.Python.STATEMENT_SUFFIX)e=Blockly.Python.statementToCode(a,"ELSE")||Blockly.Python.PASS,Blockly.Python.STATEMENT_SUFFIX&&(e=Blockly.Python.prefixLines(Blockly.Python.injectId(Blockly.Python.STATEMENT_SUFFIX,a),Blockly.Python.INDENT)+e),c+="else:\n"+e;return c};Blockly.Python.controls_ifelse=Blockly.Python.controls_if;
-Blockly.Python.logic_compare=function(a){var b={EQ:"==",NEQ:"!=",LT:"<",LTE:"<=",GT:">",GTE:">="}[a.getFieldValue("OP")],c=Blockly.Python.ORDER_RELATIONAL,d=Blockly.Python.valueToCode(a,"A",c)||"0";a=Blockly.Python.valueToCode(a,"B",c)||"0";return[d+" "+b+" "+a,c]};
-Blockly.Python.logic_operation=function(a){var b="AND"==a.getFieldValue("OP")?"and":"or",c="and"==b?Blockly.Python.ORDER_LOGICAL_AND:Blockly.Python.ORDER_LOGICAL_OR,d=Blockly.Python.valueToCode(a,"A",c);a=Blockly.Python.valueToCode(a,"B",c);if(d||a){var e="and"==b?"True":"False";d||(d=e);a||(a=e)}else a=d="False";return[d+" "+b+" "+a,c]};Blockly.Python.logic_negate=function(a){return["not "+(Blockly.Python.valueToCode(a,"BOOL",Blockly.Python.ORDER_LOGICAL_NOT)||"True"),Blockly.Python.ORDER_LOGICAL_NOT]};
-Blockly.Python.logic_boolean=function(a){return["TRUE"==a.getFieldValue("BOOL")?"True":"False",Blockly.Python.ORDER_ATOMIC]};Blockly.Python.logic_null=function(a){return["None",Blockly.Python.ORDER_ATOMIC]};
-Blockly.Python.logic_ternary=function(a){var b=Blockly.Python.valueToCode(a,"IF",Blockly.Python.ORDER_CONDITIONAL)||"False",c=Blockly.Python.valueToCode(a,"THEN",Blockly.Python.ORDER_CONDITIONAL)||"None";a=Blockly.Python.valueToCode(a,"ELSE",Blockly.Python.ORDER_CONDITIONAL)||"None";return[c+" if "+b+" else "+a,Blockly.Python.ORDER_CONDITIONAL]};Blockly.Python.loops={};Blockly.Python.controls_repeat_ext=function(a){var b=a.getField("TIMES")?String(parseInt(a.getFieldValue("TIMES"),10)):Blockly.Python.valueToCode(a,"TIMES",Blockly.Python.ORDER_NONE)||"0";b=Blockly.isNumber(b)?parseInt(b,10):"int("+b+")";var c=Blockly.Python.statementToCode(a,"DO");c=Blockly.Python.addLoopTrap(c,a)||Blockly.Python.PASS;return"for "+Blockly.Python.variableDB_.getDistinctName("count",Blockly.VARIABLE_CATEGORY_NAME)+" in range("+b+"):\n"+c};
-Blockly.Python.controls_repeat=Blockly.Python.controls_repeat_ext;Blockly.Python.controls_whileUntil=function(a){var b="UNTIL"==a.getFieldValue("MODE"),c=Blockly.Python.valueToCode(a,"BOOL",b?Blockly.Python.ORDER_LOGICAL_NOT:Blockly.Python.ORDER_NONE)||"False",d=Blockly.Python.statementToCode(a,"DO");d=Blockly.Python.addLoopTrap(d,a)||Blockly.Python.PASS;b&&(c="not "+c);return"while "+c+":\n"+d};
-Blockly.Python.controls_for=function(a){var b=Blockly.Python.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME),c=Blockly.Python.valueToCode(a,"FROM",Blockly.Python.ORDER_NONE)||"0",d=Blockly.Python.valueToCode(a,"TO",Blockly.Python.ORDER_NONE)||"0",e=Blockly.Python.valueToCode(a,"BY",Blockly.Python.ORDER_NONE)||"1",f=Blockly.Python.statementToCode(a,"DO");f=Blockly.Python.addLoopTrap(f,a)||Blockly.Python.PASS;var n="",k=function(){return Blockly.Python.provideFunction_("upRange",
-["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(start, stop, step):","  while start <= stop:","    yield start","    start += abs(step)"])},h=function(){return Blockly.Python.provideFunction_("downRange",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(start, stop, step):","  while start >= stop:","    yield start","    start -= abs(step)"])};a=function(g,l,p){return"("+g+" <= "+l+") and "+k()+"("+g+", "+l+", "+p+") or "+h()+"("+g+", "+l+", "+p+")"};if(Blockly.isNumber(c)&&Blockly.isNumber(d)&&
-Blockly.isNumber(e))c=Number(c),d=Number(d),e=Math.abs(Number(e)),0===c%1&&0===d%1&&0===e%1?(c<=d?(d++,a=0==c&&1==e?d:c+", "+d,1!=e&&(a+=", "+e)):(d--,a=c+", "+d+", -"+e),a="range("+a+")"):(a=c<d?k():h(),a+="("+c+", "+d+", "+e+")");else{var m=function(g,l){Blockly.isNumber(g)?g=Number(g):g.match(/^\w+$/)?g="float("+g+")":(l=Blockly.Python.variableDB_.getDistinctName(b+l,Blockly.VARIABLE_CATEGORY_NAME),n+=l+" = float("+g+")\n",g=l);return g};c=m(c,"_start");d=m(d,"_end");e=m(e,"_inc");"number"==typeof c&&
-"number"==typeof d?(a=c<d?k():h(),a+="("+c+", "+d+", "+e+")"):a=a(c,d,e)}return n+="for "+b+" in "+a+":\n"+f};Blockly.Python.controls_forEach=function(a){var b=Blockly.Python.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME),c=Blockly.Python.valueToCode(a,"LIST",Blockly.Python.ORDER_RELATIONAL)||"[]",d=Blockly.Python.statementToCode(a,"DO");d=Blockly.Python.addLoopTrap(d,a)||Blockly.Python.PASS;return"for "+b+" in "+c+":\n"+d};
-Blockly.Python.controls_flow_statements=function(a){var b="";Blockly.Python.STATEMENT_PREFIX&&(b+=Blockly.Python.injectId(Blockly.Python.STATEMENT_PREFIX,a));Blockly.Python.STATEMENT_SUFFIX&&(b+=Blockly.Python.injectId(Blockly.Python.STATEMENT_SUFFIX,a));if(Blockly.Python.STATEMENT_PREFIX){var c=Blockly.Constants.Loops.CONTROL_FLOW_IN_LOOP_CHECK_MIXIN.getSurroundLoop(a);c&&!c.suppressPrefixSuffix&&(b+=Blockly.Python.injectId(Blockly.Python.STATEMENT_PREFIX,c))}switch(a.getFieldValue("FLOW")){case "BREAK":return b+
-"break\n";case "CONTINUE":return b+"continue\n"}throw Error("Unknown flow statement.");};Blockly.Python.math={};Blockly.Python.addReservedWords("math,random,Number");Blockly.Python.math_number=function(a){a=Number(a.getFieldValue("NUM"));if(Infinity==a){a='float("inf")';var b=Blockly.Python.ORDER_FUNCTION_CALL}else-Infinity==a?(a='-float("inf")',b=Blockly.Python.ORDER_UNARY_SIGN):b=0>a?Blockly.Python.ORDER_UNARY_SIGN:Blockly.Python.ORDER_ATOMIC;return[a,b]};
-Blockly.Python.math_arithmetic=function(a){var b={ADD:[" + ",Blockly.Python.ORDER_ADDITIVE],MINUS:[" - ",Blockly.Python.ORDER_ADDITIVE],MULTIPLY:[" * ",Blockly.Python.ORDER_MULTIPLICATIVE],DIVIDE:[" / ",Blockly.Python.ORDER_MULTIPLICATIVE],POWER:[" ** ",Blockly.Python.ORDER_EXPONENTIATION]}[a.getFieldValue("OP")],c=b[0];b=b[1];var d=Blockly.Python.valueToCode(a,"A",b)||"0";a=Blockly.Python.valueToCode(a,"B",b)||"0";return[d+c+a,b]};
-Blockly.Python.math_single=function(a){var b=a.getFieldValue("OP");if("NEG"==b){var c=Blockly.Python.valueToCode(a,"NUM",Blockly.Python.ORDER_UNARY_SIGN)||"0";return["-"+c,Blockly.Python.ORDER_UNARY_SIGN]}Blockly.Python.definitions_.import_math="import math";a="SIN"==b||"COS"==b||"TAN"==b?Blockly.Python.valueToCode(a,"NUM",Blockly.Python.ORDER_MULTIPLICATIVE)||"0":Blockly.Python.valueToCode(a,"NUM",Blockly.Python.ORDER_NONE)||"0";switch(b){case "ABS":c="math.fabs("+a+")";break;case "ROOT":c="math.sqrt("+
-a+")";break;case "LN":c="math.log("+a+")";break;case "LOG10":c="math.log10("+a+")";break;case "EXP":c="math.exp("+a+")";break;case "POW10":c="math.pow(10,"+a+")";break;case "ROUND":c="round("+a+")";break;case "ROUNDUP":c="math.ceil("+a+")";break;case "ROUNDDOWN":c="math.floor("+a+")";break;case "SIN":c="math.sin("+a+" / 180.0 * math.pi)";break;case "COS":c="math.cos("+a+" / 180.0 * math.pi)";break;case "TAN":c="math.tan("+a+" / 180.0 * math.pi)"}if(c)return[c,Blockly.Python.ORDER_FUNCTION_CALL];switch(b){case "ASIN":c=
-"math.asin("+a+") / math.pi * 180";break;case "ACOS":c="math.acos("+a+") / math.pi * 180";break;case "ATAN":c="math.atan("+a+") / math.pi * 180";break;default:throw Error("Unknown math operator: "+b);}return[c,Blockly.Python.ORDER_MULTIPLICATIVE]};
-Blockly.Python.math_constant=function(a){var b={PI:["math.pi",Blockly.Python.ORDER_MEMBER],E:["math.e",Blockly.Python.ORDER_MEMBER],GOLDEN_RATIO:["(1 + math.sqrt(5)) / 2",Blockly.Python.ORDER_MULTIPLICATIVE],SQRT2:["math.sqrt(2)",Blockly.Python.ORDER_MEMBER],SQRT1_2:["math.sqrt(1.0 / 2)",Blockly.Python.ORDER_MEMBER],INFINITY:["float('inf')",Blockly.Python.ORDER_ATOMIC]};a=a.getFieldValue("CONSTANT");"INFINITY"!=a&&(Blockly.Python.definitions_.import_math="import math");return b[a]};
-Blockly.Python.math_number_property=function(a){var b=Blockly.Python.valueToCode(a,"NUMBER_TO_CHECK",Blockly.Python.ORDER_MULTIPLICATIVE)||"0",c=a.getFieldValue("PROPERTY");if("PRIME"==c)return Blockly.Python.definitions_.import_math="import math",Blockly.Python.definitions_.from_numbers_import_Number="from numbers import Number",[Blockly.Python.provideFunction_("math_isPrime",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(n):","  # https://en.wikipedia.org/wiki/Primality_test#Naive_methods",
-"  # If n is not a number but a string, try parsing it.","  if not isinstance(n, Number):","    try:","      n = float(n)","    except:","      return False","  if n == 2 or n == 3:","    return True","  # False if n is negative, is 1, or not whole, or if n is divisible by 2 or 3.","  if n <= 1 or n % 1 != 0 or n % 2 == 0 or n % 3 == 0:","    return False","  # Check all the numbers of form 6k +/- 1, up to sqrt(n).","  for x in range(6, int(math.sqrt(n)) + 2, 6):","    if n % (x - 1) == 0 or n % (x + 1) == 0:",
-"      return False","  return True"])+"("+b+")",Blockly.Python.ORDER_FUNCTION_CALL];switch(c){case "EVEN":var d=b+" % 2 == 0";break;case "ODD":d=b+" % 2 == 1";break;case "WHOLE":d=b+" % 1 == 0";break;case "POSITIVE":d=b+" > 0";break;case "NEGATIVE":d=b+" < 0";break;case "DIVISIBLE_BY":a=Blockly.Python.valueToCode(a,"DIVISOR",Blockly.Python.ORDER_MULTIPLICATIVE);if(!a||"0"==a)return["False",Blockly.Python.ORDER_ATOMIC];d=b+" % "+a+" == 0"}return[d,Blockly.Python.ORDER_RELATIONAL]};
-Blockly.Python.math_change=function(a){Blockly.Python.definitions_.from_numbers_import_Number="from numbers import Number";var b=Blockly.Python.valueToCode(a,"DELTA",Blockly.Python.ORDER_ADDITIVE)||"0";a=Blockly.Python.variableDB_.getName(a.getFieldValue("VAR"),Blockly.VARIABLE_CATEGORY_NAME);return a+" = ("+a+" if isinstance("+a+", Number) else 0) + "+b+"\n"};Blockly.Python.math_round=Blockly.Python.math_single;Blockly.Python.math_trig=Blockly.Python.math_single;
-Blockly.Python.math_on_list=function(a){var b=a.getFieldValue("OP");a=Blockly.Python.valueToCode(a,"LIST",Blockly.Python.ORDER_NONE)||"[]";switch(b){case "SUM":b="sum("+a+")";break;case "MIN":b="min("+a+")";break;case "MAX":b="max("+a+")";break;case "AVERAGE":Blockly.Python.definitions_.from_numbers_import_Number="from numbers import Number";b=Blockly.Python.provideFunction_("math_mean",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(myList):","  localList = [e for e in myList if isinstance(e, Number)]",
-"  if not localList: return","  return float(sum(localList)) / len(localList)"]);b=b+"("+a+")";break;case "MEDIAN":Blockly.Python.definitions_.from_numbers_import_Number="from numbers import Number";b=Blockly.Python.provideFunction_("math_median",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(myList):","  localList = sorted([e for e in myList if isinstance(e, Number)])","  if not localList: return","  if len(localList) % 2 == 0:","    return (localList[len(localList) // 2 - 1] + localList[len(localList) // 2]) / 2.0",
-"  else:","    return localList[(len(localList) - 1) // 2]"]);b=b+"("+a+")";break;case "MODE":b=Blockly.Python.provideFunction_("math_modes",["def "+Blockly.Python.FUNCTION_NAME_PLACEHOLDER_+"(some_list):","  modes = []","  # Using a lists of [item, count] to keep count rather than dict",'  # to avoid "unhashable" errors when the counted item is itself a list or dict.',"  counts = []","  maxCount = 1","  for item in some_list:","    found = False","    for count in counts:","      if count[0] == item:",
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-"  if n == 0: return","  mean = float(sum(numbers)) / n","  variance = sum((x - mean) ** 2 for x in numbers) / n","  return math.sqrt(variance)"]);b=b+"("+a+")";break;case "RANDOM":Blockly.Python.definitions_.import_random="import random";b="random.choice("+a+")";break;default:throw Error("Unknown operator: "+b);}return[b,Blockly.Python.ORDER_FUNCTION_CALL]};
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\ No newline at end of file
diff --git a/scripts/goog_module/convert-file.sh b/scripts/goog_module/convert-file.sh
new file mode 100755
index 00000000000..4d6c1334523
--- /dev/null
+++ b/scripts/goog_module/convert-file.sh
@@ -0,0 +1,406 @@
+#!/bin/bash
+
+# This file makes extensive use of perl for the purpose of extracting and
+# replacing string (regex) patterns in a way that is both GNU and macOS
+# compatible.
+#
+# Common perl flags used (also described at https://perldoc.perl.org/perlrun):
+#   -e : Used to execute perl programs on the command line
+#   -p : Assumes an input loop around script. Prints every processed line.
+#   -n : Assumes an input loop around script. Does not print every line.
+#   -i : Used for in-place editing. Used in commands for find/replace.
+#   -l[octnum] : Assigns the output record separator "$/" as an octal number. If
+#        octnum is not present, sets output record separator to the current
+#        value of the input record separator "$\".
+#
+# Common perl commands found:
+# 1.  perl -pi -e 's/regex/replacement/modifiers'
+#   This command does an in-place search-and-replace. The global ("/g") modifier
+#   causes it to replace all occurrences, rather than only the first match.
+# 2.  perl -ne 'print m/regex/modifiers'
+#   This command returns a string containing the regex match (designated by the
+#   capture group "()" in the regex). This will return the first match, unless
+#   the global modifier is specified, in which case, it will return all matches.
+#   If this command is used without a capture group it returns true or false (in
+#   the form a truthy or falsy value).
+# 3.  perl -nle 'print $& while m{regex}modifiers'
+#   Similar to (2), but returns regex matches separated by newlines.
+#   The "m{regex}modifiers" is equivalent to "m/regex/modifiers" syntax.
+#
+# Additional information on regex:
+# This script makes use of some advanced regex syntax such as "capture groups"
+# and "lookaround assertions".
+# Additionally, characters are escaped from regex with a backslash "\".
+# Single quotes need to be escaped in both regex and the string, resulting in
+# '\'' being used to represent a single quote character.
+# For a reference to syntax of regular expressions in Perl, see:
+# https://perldoc.perl.org/perlre
+
+#######################################
+# Logging functions.
+#######################################
+COLOR_NONE="\033[0m"
+GREEN="\033[0;32m"
+BLUE="\033[0;34m"
+ORANGE="\033[0;33m"
+RED="\033[0;31m"
+success() {
+  echo -e  "${GREEN}[SUCCESS]:${COLOR_NONE} $*" >&2
+}
+inf() {
+  echo -e  "${BLUE}[INFO]:${COLOR_NONE} $*" >&2
+}
+warn() {
+  echo -e  "${ORANGE}[WARN]:${COLOR_NONE} $*" >&2
+}
+err() {
+  echo -e  "${RED}[ERROR]:${COLOR_NONE} $*" >&2
+}
+reenter_instructions() {
+  echo -e  "${ORANGE}$*${COLOR_NONE}" >&2
+}
+
+#######################################
+# Checks whether the provided filepath exists.
+# Arguments:
+#   The filepath to check for existence.
+#   Optional: Whether to log an error.
+#######################################
+verify-filepath() {
+  local filepath="$1"
+  local no_log="$2"
+  if [[ ! -f "${filepath}" ]]; then
+    if [[ -z "${no_log}" || "${no_log}" == 'true' ]]; then
+      err "File ${filepath} does not exist"
+    fi
+    return 1
+  fi
+}
+
+#######################################
+# Creates a commit with a message based on the specified step and file.
+# Arguments:
+#   Which conversion step this message is for.
+#   The filepath of the file being converted.
+#######################################
+commit-step() {
+  local step="$1"
+  local filepath="$2"
+  if [[ -z "${step}" ]]; then
+    err "Missing argument (1-4)"
+    return 1
+  fi
+  if [[ -z "${filepath}" ]]; then
+    err "Missing argument filepath"
+    return 1
+  fi
+  verify-filepath "${filepath}"
+  if [[ $? -eq 1 ]]; then return 1; fi
+
+  local message=''
+  case $1 in
+    1)
+      message="Migrate ${filepath} to ES6 const/let"
+      ;;
+    2)
+      message="Migrate ${filepath} to goog.module"
+      ;;
+    3)
+      message="Migrate ${filepath} named requires"
+      ;;
+    4)
+      message="clang-format ${filepath}"
+      ;;
+    *)
+      err 'INVALID ARGUMENT'
+      return 1
+      ;;
+  esac
+  git add .
+  if [[ -z $(git status --porcelain) ]]; then
+    success "Nothing to commit"
+    return 0
+  fi
+  git commit -m "${message}"
+  success "created commit with message: \"${message}\""
+}
+
+#######################################
+# Extracts a list of properties that are accessed on the specified module name.
+# Excludes any matches
+# Arguments:
+#   The module name to find properties accessed for.
+#   The modules required by the specified module as a single string.
+#   The filepath to extract requires from.
+#   Optional: The top-level module.
+# Outputs:
+#   Writes list of properties to stdout as items separated by spaces.
+#######################################
+getPropertiesAccessed() {
+  local module_name="$1"
+  local requires="$2"
+  local filepath="$3"
+  local top_module_name="$4"
+  # Get any strings that follow "$module_name.", excluding matches for
+  # "$module_name.prototype" and remove list item duplicates (sort -u).
+  local properties_accessed=$(perl -nle 'print $& while m{(?<='"${module_name}"'\.)(?!prototype)\w+}g' "${filepath}" | sort -u)
+
+  # Get a list of any requires that are a child of $module_name.
+  # Ex: Blockly.utils.dom is a child of Blockly.utils, this would return "dom"
+  local requires_overlap=$(echo "${requires}" | perl -nle 'print $& while m{(?<='"${module_name}"'\.)\w+}g')
+  # Detect if there was any overlap.
+  if [[ -n "${requires_overlap}" ]]; then
+    while read -r requires_overlap_prop; do
+      # Removes any instances of $requires_overlap_prop. Includes regex
+      # lookarounds so that it does not simply match string contains.
+      # Ex: if $requires_overlap is "Svg", then it would update the list
+      # "isTargetInput mouseToSvg noEvent Svg" to
+      # "isTargetInput mouseToSvg noEvent " (note that mouseToSvg is unchanged).
+      properties_accessed=$(echo "${properties_accessed}" | perl -pe 's/(?<!\w)'"${requires_overlap_prop}"'(?!\w)//g')
+    done <<<"${requires_overlap}"
+  fi
+
+  # Fix formatting (remove extra whitespace) and delimit the list with spaces.
+  properties_accessed=$(echo "${properties_accessed}" | perl -pe 's/\s+/ /g' | xargs)
+
+  echo "${properties_accessed}"
+}
+
+#######################################
+# Extracts a list of requires defined in the file in the form of a single string
+# of items separated by newlines.
+# Arguments:
+#   The filepath to extract requires from.
+# Outputs:
+#   Writes list of requires to stdout as items separated by newlines.
+#######################################
+getRequires() {
+  local filepath="$1"
+  # Extracts all strings that start with goog.require(' or goog.requireType('
+  # up until the ending single quote.
+  # Ex: "goog.require('Blockly.utils')" would extract "Blockly.utils"
+  local requires=$(perl -nle 'print $& while m{(?:(?<=^goog.require\('\'')|(?<=^goog.requireType\('\''))[^'\'']+}g' "${filepath}")
+  echo "${requires}"
+}
+
+#######################################
+# Runs step 2 of the automated conversion.
+# Arguments:
+#   The filepath of the file being converted.
+#######################################
+step2 () {
+  local filepath="$1"
+
+  inf "Updating goog.provide declaration..."
+  perl -pi -e 's/^goog\.provide(\([^\)]+\)\;)/goog\.module\1\ngoog.module.declareLegacyNamespace\(\)\;/' "${filepath}"
+
+  inf "Extracting module name..."
+  local module_name=$(perl -ne 'print m/(?<=^goog\.module\('\'')([^'\'']+)/' "${filepath}")
+  if [[ -z "${module_name}" ]]; then
+    err "Could not extract module name"
+    return 1
+  fi
+  inf "Extracted module name \"${module_name}\""
+
+  if [[ $(grep "${module_name} = " "${filepath}") ]]; then
+    local class_name=$(echo "${module_name}" | perl -ne 'print m/(\w+)$/')
+    inf "Found class \"${class_name}\" in file."
+    inf "Updating class declaration..."
+    perl -pi -e 's/^('"${module_name}"') =/const '"${class_name}"' =/g' "${filepath}"
+
+    inf "Updating local references to class..."
+    perl -pi -e 's/'"${module_name}"'(?!['\''\w])/'"${class_name}"'/g' "${filepath}"
+
+    inf "Appending class export to end of file..."
+    echo "" >> "${filepath}"
+    echo "exports = ${class_name};" >> "${filepath}"
+
+    npm run build:deps
+
+    success "Completed automated conversion to goog.module. Please manually review before committing."
+    return 0
+  fi
+
+  # No top level class.
+  inf 'Updating top-level property declarations...'
+  perl -pi -e 's/^'"${module_name}"'\.([^ ]+) =/const \1 =/g' "${filepath}"
+
+  # Extract specific properties accessed so that properties from requires that
+  # are children of the module aren't changed.
+  # Ex: The module Blockly.utils shouldn't update Blockly.utils.dom (since it is
+  # a require from another module.
+  local requires=$(getRequires "${filepath}")
+  local properties_accessed=$(getPropertiesAccessed "${module_name}" "${requires}" "${filepath}")
+  inf "Updating local references to module..."
+  for property in $(echo "${properties_accessed}"); do
+    inf "Updating references of ${module_name}.${property} to ${property}..."
+    perl -pi -e 's/'"${module_name}"'\.'"${property}"'(?!\w)/'"${property}"'/g' "${filepath}"
+  done
+
+  npm run build:deps
+  success "Completed automation for step 2. Please manually review and add exports for non-private top-level functions."
+}
+
+#######################################
+# Runs step 3 of the automated conversion.
+# Arguments:
+#   The filepath of the file being converted.
+#######################################
+step3() {
+  inf "Extracting module name..."
+  local module_name=$(perl -ne 'print m/(?<=^goog\.module\('\'')([^'\'']+)/' "${filepath}")
+  if [[ -z "${module_name}" ]]; then
+    err "Could not extract module name"
+    return 1
+  fi
+  inf "Extracted module name \"${module_name}\""
+
+  local requires=$(getRequires "${filepath}")
+
+  # Process each require
+  echo "${requires}" | while read -r require; do
+    inf "Processing require \"${require}\""
+    local usages=$(perl -nle 'print $& while m{'"${require}"'(?!'\'')}g' "${filepath}" | wc -l)
+
+    if [[ "${usages}" -eq "0" ]]; then
+      warn "Unused require \"${require}\""
+      continue
+    fi
+
+    local require_name=$(echo "${require}" | perl -pe 's/(\w+\.)+(\w+)/\2/g')
+    inf "Updating require declaration for ${require}..."
+    perl -pi -e 's/^(goog\.(require|requireType)\('\'"${require}"\''\);)/const '"${require_name}"' = \1/' "${filepath}"
+
+    # Parse property access of module
+    local direct_access_count=$(perl -nle 'print $& while m{'"${require}"'[^\.'\'']}g' "${filepath}" | wc -l)
+    local properties_accessed=$(getPropertiesAccessed "${require}" "${requires}" "${filepath}")
+
+    # Remove $module_name in case it is a child of $require.
+    # Ex: Blockly.utils.dom would be a child of Blockly, module_overlap would be
+    # "utils"
+    local module_overlap=$(echo "${module_name}" | perl -nle 'print $& while m{(?<='"${require}"'\.)\w+}g')
+    if [[ -n "${module_overlap}" ]]; then
+      properties_accessed=$(echo "${properties_accessed}" | perl -pe 's/'"${module_overlap}"'//g')
+      # Trim any extra whitespace created.
+      properties_accessed=$(echo "${properties_accessed}" | xargs)
+    fi
+
+    if [[ -n "${properties_accessed}" ]]; then
+      local comma_properties=$(echo "${properties_accessed}" | perl -pe 's/\s+/, /g' | perl -pe 's/, $//')
+      inf "Detected references of ${require}: ${comma_properties}"
+
+      for require_prop in $(echo "${properties_accessed}"); do
+        inf "Updating references of ${require}.${require_prop} to ${require_name}.${require_prop}..."
+        perl -pi -e 's/'"${require}"'\.'"${require_prop}"'(?!\w)/'"${require_name}"'\.'"${require_prop}"'/g' "${filepath}"
+      done
+    fi
+
+    inf "Updating direct references of ${require} to ${require_name}..."
+    perl -pi -e 's/'"${require}"'(?!['\''\w\.])/'"${require_name}"'/g' "${filepath}"
+  done
+
+  local missing_requires=$(perl -nle'print $& while m{(?<!'\'')Blockly(\.\w+)+}g' "${filepath}")
+  missing_requires=$(echo "${missing_requires}" | tr ' ' '\n' | sort -u)
+  if [[ -n "${missing_requires}" ]]; then
+    # Search for the string goog.require('Blockly') or goog.requireType('Blockly')
+    local has_blockly_require=$(perl -ne 'print m/goog\.(?:require|requireType)\('\''Blockly'\''\)/' "${filepath}")
+    if [[ -n "${has_blockly_require}" ]]; then
+      warn 'Blockly detected as a require.'
+      warn "Potentially missing requires for:\n${missing_requires}\nPlease manually review."
+    else
+      err "Missing requires for:\n${missing_requires}\nPlease manually fix."
+    fi
+  fi
+
+  success "Completed automation for step 3. Please manually review and reorder requires."
+}
+
+#######################################
+# Runs step 4 of the automated conversion.
+# Arguments:
+#   The filepath of the file being converted.
+#######################################
+step4() {
+  inf "Running clang-format"
+  npx clang-format -i "${filepath}"
+}
+
+#######################################
+# Runs the specified step.
+# Arguments:
+#   Which step to run.
+#   The filepath of the file being converted.
+#######################################
+run-step() {
+  local step="$1"
+  local filepath="$2"
+  if [[ -z "${step}" ]]; then
+    err "Missing argument (1-4)"
+    return 1
+  fi
+  if [[ -z "${filepath}" ]]; then
+    err "Missing argument filepath"
+    return 1
+  fi
+  verify-filepath "${filepath}"
+  if [[ $? -eq 1 ]]; then return 1; fi
+
+  case "${step}" in
+    2)
+      step2 "${filepath}"
+      ;;
+    3)
+      step3 "${filepath}"
+      ;;
+    4)
+      step4 "${filepath}"
+      ;;
+    *)
+      err "INVALID ARGUMENT ${step}"
+      return 1
+      ;;
+  esac
+}
+
+#######################################
+# Prints usage information.
+#######################################
+help() {
+  echo "Conversion steps:"
+  echo " 1. Use IDE to convert var to let/const"
+  echo " 2. Rewrite the goog.provide statement as goog.module and explicitly enumerate exports"
+  echo " 3. Rewrite goog.requires statements and add missing requires (often skipped for simple files)"
+  echo " 4. Run clang-format on the whole file"
+  echo ""
+  echo "Usage: $0 [-h] [-c <step> <filepath>|-s <step> <filepath>]"
+  echo "  -h                    Display help and exit"
+  echo "  -c <step> <filepath>  Create a commit for the specified step [1-4]"
+  echo "  -s <step> <filepath>  Run the specified step [2-4]"
+}
+
+#######################################
+# Main entry point.
+#######################################
+main() {
+  if [ "$1" = "" ]; then
+    help
+  else
+    local filepath=""
+    # Support filepath as first argument.
+    verify-filepath "$1" "false"
+    if [[ $? -eq 0 ]]; then
+      filepath="$1"
+      shift
+    fi
+
+    local command="$1"
+    shift
+    case $command in
+      -c) commit-step "$@" "${filepath}" ;;
+      -s) run-step "$@" "${filepath}" ;;
+      *) err "INVALID ARGUMENT ${command}";;
+    esac
+  fi
+}
+
+main "$@"
diff --git a/scripts/gulpfiles/appengine_tasks.js b/scripts/gulpfiles/appengine_tasks.js
new file mode 100644
index 00000000000..ddbd2f45f90
--- /dev/null
+++ b/scripts/gulpfiles/appengine_tasks.js
@@ -0,0 +1,195 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Gulp script to deploy Blockly demos on appengine.
+ */
+
+const gulp = require('gulp');
+
+const fs = require('fs');
+const path = require('path');
+const execSync = require('child_process').execSync;
+const buildTasks = require('./build_tasks.js');
+const packageTasks = require('./package_tasks.js');
+const {rimraf} = require('rimraf');
+
+const packageJson = require('../../package.json');
+const demoTmpDir = '../_deploy';
+const demoStaticTmpDir = '../_deploy/static';
+
+/**
+ * Cleans and creates the tmp directory used for deploying.
+ */
+function prepareDeployDir(done) {
+  // Clean directory if exists.
+  if (fs.existsSync(demoTmpDir)) {
+    rimraf.sync(demoTmpDir);
+  }
+  fs.mkdirSync(demoStaticTmpDir, {recursive: true});
+  done();
+}
+
+/**
+ * Copies all files from current git index into static deploy
+ * directory.  We do this rather than just copying the working tree,
+ * because the working tree is probably full of leftover editor
+ * backup-save files, vesigial empty directories, etc.
+ */
+function copyStaticSrc(done) {
+  execSync(`GIT_WORK_TREE='${demoStaticTmpDir}' git checkout-index --all`,
+      { stdio: 'inherit' });
+  done();
+}
+
+/**
+ * Copies needed built files into the static deploy directory.
+ *
+ * Prerequisite: clean, build.
+ */
+function copyBuilt(done) {
+  return gulp.src(['build/msg/*', 'dist/*_compressed.js*', 'build/*.loader.mjs'], {base: '.'})
+      .pipe(gulp.dest(demoStaticTmpDir));
+}
+
+/**
+ * Copies compressed files into the places they used to be used from, for the
+ * benefit of our Developers site and (for now) any other websites that
+ * hotlink them.  Delete this once devsite is fixed.
+ *
+ * Prerequisite: clean, build.
+ */
+function copyCompressedToOldLocation(done) {
+  return gulp.src(['dist/*_compressed.js*'])
+      .pipe(gulp.dest(demoStaticTmpDir));
+}
+
+/**
+ * Copies messages files into the places they used to be used from, for the
+ * benefit of our Developers site and (for now) any other websites that
+ * hotlink them.  Delete this once devsite is fixed.
+ *
+ * Prerequisite: clean, build.
+ */
+function copyMessagesToOldLocation(done) {
+  return gulp.src(['build/msg/*'])
+      .pipe(gulp.dest(demoStaticTmpDir + '/msg/js'));
+}
+
+/**
+ * Copies appengine files into deploy directory.
+ */
+function copyAppengineSrc() {
+  const appengineSrc = [
+      `${demoStaticTmpDir}/appengine/**/*`,
+      `${demoStaticTmpDir}/appengine/.gcloudignore`,
+  ];
+  return gulp.src(appengineSrc).pipe(gulp.dest(demoTmpDir));
+}
+
+/**
+ * Copies playground deps into deploy directory.
+ */
+function copyPlaygroundDeps() {
+  const playgroundDeps = [
+      './node_modules/@blockly/dev-tools/dist/index.js',
+      './node_modules/@blockly/theme-modern/dist/index.js',
+      './node_modules/@blockly/block-test/dist/index.js',
+  ];
+  return gulp.src(playgroundDeps, {base: '.'}).pipe(gulp.dest(demoStaticTmpDir));
+}
+
+/**
+ * Deploys files from tmp directory to appengine to version based on the version
+ * passed in and then cleans the tmp directory.
+ */
+function deployToAndClean(demoVersion) {
+  try {
+    execSync(`gcloud app deploy --project blockly-demo --version ${demoVersion} --no-promote`, { stdio: 'inherit', cwd: demoTmpDir });
+  } finally {
+    // Clean up tmp directory.
+    if (fs.existsSync(demoTmpDir)) {
+      rimraf.sync(demoTmpDir);
+    }
+  }
+}
+
+/**
+ * Constructs a demo version name based on the version specified in
+ * package.json.
+ */
+function getDemosVersion() {
+  // Replace all '.' with '-' e.g. 9-3-3-beta-2
+  return packageJson.version.replace(/\./g, '-');
+}
+
+/**
+ * Deploys files from tmp directory to appengine to version based on the version
+ * specified in package.json and then cleans the tmp directory.
+ */
+function deployAndClean(done) {
+  const demoVersion = getDemosVersion();
+  deployToAndClean(demoVersion);
+  done();
+}
+
+/**
+ * Constructs a beta demo version name based on the current date.
+ */
+function getDemosBetaVersion() {
+  const date = new Date();
+  const mm = date.getMonth() + 1;  // Month, 0-11
+  const dd = date.getDate();  // Day of the month, 1-31
+  const yyyy = date.getFullYear();
+  return `${yyyy}${mm < 10 ? '0' + mm : mm}${dd}-beta`;
+}
+
+/**
+ * Deploys files from tmp directory to appengine to a beta version based on the
+ * current date and then cleans the tmp directory.
+ */
+function deployBetaAndClean(done) {
+  const demoVersion = getDemosBetaVersion();
+  deployToAndClean(demoVersion);
+  done();
+}
+
+/**
+ * Prepares demos.
+ *
+ * Prerequisites (invoked): clean, build
+ */
+const prepareDemos = gulp.series(
+    prepareDeployDir,
+    gulp.parallel(
+        gulp.series(
+            copyStaticSrc,
+            copyAppengineSrc),
+        gulp.series(
+            gulp.parallel(buildTasks.cleanBuildDir,
+                          packageTasks.cleanReleaseDir),
+            buildTasks.build,
+            gulp.parallel(copyBuilt,
+                          copyCompressedToOldLocation,
+                          copyMessagesToOldLocation)),
+        copyPlaygroundDeps));
+
+/**
+ * Deploys demos.
+ */
+const deployDemos = gulp.series(prepareDemos, deployAndClean);
+
+/**
+ * Deploys beta version of demos (version appended with -beta).
+ */
+const deployDemosBeta = gulp.series(prepareDemos, deployBetaAndClean);
+
+module.exports = {
+  // Main sequence targets.  Each should invoke any immediate prerequisite(s).
+  deployDemos: deployDemos,
+  deployDemosBeta: deployDemosBeta,
+  prepareDemos: prepareDemos
+};
diff --git a/scripts/gulpfiles/build_tasks.js b/scripts/gulpfiles/build_tasks.js
index a5a96a40763..27a02cf30cd 100644
--- a/scripts/gulpfiles/build_tasks.js
+++ b/scripts/gulpfiles/build_tasks.js
@@ -8,26 +8,165 @@
  * @fileoverview Gulp script to build Blockly for Node & NPM.
  */
 
-var gulp = require('gulp');
+const gulp = require('gulp');
 gulp.replace = require('gulp-replace');
 gulp.rename = require('gulp-rename');
 gulp.sourcemaps = require('gulp-sourcemaps');
 
-var path = require('path');
-var fs = require('fs');
-var execSync = require('child_process').execSync;
-var through2 = require('through2');
+const path = require('path');
+const fs = require('fs');
+const fsPromises = require('fs/promises');
+const {exec, execSync} = require('child_process');
 
-var closureCompiler = require('google-closure-compiler').gulp();
-var closureDeps = require('google-closure-deps');
-var packageJson = require('../../package.json');
-var argv = require('yargs').argv;
+const {globSync} = require('glob');
+const closureCompiler = require('google-closure-compiler').gulp();
+const argv = require('yargs').argv;
+const {rimraf} = require('rimraf');
 
+const {BUILD_DIR, LANG_BUILD_DIR, RELEASE_DIR, TSC_OUTPUT_DIR, TYPINGS_BUILD_DIR} = require('./config');
+const {getPackageJson} = require('./helper_tasks');
+
+const {posixPath, quote} = require('../helpers');
 
 ////////////////////////////////////////////////////////////
 //                        Build                           //
 ////////////////////////////////////////////////////////////
 
+/**
+ * Path to the python runtime.
+ * This will normalize the command across platforms (e.g. python3 on Linux and
+ * Mac, python on Windows).
+ */
+const PYTHON = process.platform === 'win32' ? 'python' : 'python3';
+
+/**
+ * Posix version of TSC_OUTPUT_DIR
+ */
+const TSC_OUTPUT_DIR_POSIX = posixPath(TSC_OUTPUT_DIR);
+
+/**
+ * Suffix to add to compiled output files.
+ */
+const COMPILED_SUFFIX = '_compressed';
+
+/**
+ * Name of an object to be used as a shared "global" namespace by
+ * chunks generated by the Closure Compiler with the
+ * --rename_prefix_namespace option (see
+ * https://github.com/google/closure-compiler/wiki/Chunk-output-for-dynamic-loading#using-global_namespace-as-the-chunk-output-type
+ * for more information.)  The wrapper for the first chunk will create
+ * an object with this name and save it; wrappers for other chunks
+ * will ensure that the same object is available with this same name.
+ * The --rename_prefix_namespace option will then cause the compiled
+ * chunks to create properties on this object instead of creating
+ * "global" (really chunk-local) variables.  This allows later chunks
+ * to depend upon modules from earlier chunks.
+ *
+ * It can be any value that doesn't clash with a global variable or
+ * wrapper argument, but as it will appear many times in the compiled
+ * output it is preferable that it be short.
+ */
+const NAMESPACE_VARIABLE = '$';
+
+/**
+ * Property that will be used to store the value of the namespace
+ * object on each chunk's exported object.  This is so that dependent
+ * chunks can retrieve the namespace object and thereby access modules
+ * defined in the parent chunk (or it's parent, etc.).  This should be
+ * chosen so as to not collide with any exported name.
+ */
+const NAMESPACE_PROPERTY = '__namespace__';
+
+/**
+ * A list of chunks.  Order matters: later chunks can depend on
+ * earlier ones, but not vice-versa.  All chunks are assumed to depend
+ * on the first chunk.  Properties are as follows:
+ *
+ * - .name: the name of the chunk.  Used to label it when describing
+ *   it to Closure Compiler and forms the prefix of filename the chunk
+ *   will be written to.
+ * - .files: A glob or array of globs, relative to TSC_OUTPUT_DIR,
+ *   matching the files to include in the chunk.
+ * - .entry: the source .js file which is the entrypoint for the
+ *   chunk, relative to TSC_OUTPUT_DIR.
+ * - .scriptExport: When the chunk is loaded as a script (e.g., via a
+ *   <SCRIPT> tag), the chunk's exports object will be made available
+ *   at the specified location (which must be a variable name or the
+ *   name of a property on an already-existing object) in the global
+ *   namespace.
+ * - .scriptNamedExports: A map of {location: namedExport} pairs; when
+ *   loaded as a script, the specified named exports will be saved at
+ *   the specified locations (which again must be global variables or
+ *   properties on already-existing objects).  Optional.
+ * - .parent: the parent chunk of the given chunk; null for the root
+ *   chunk.
+ *
+ * Output files will be named <chunk.name><COMPILED_SUFFIX>.js.
+ */
+const chunks = [
+  {
+    name: 'blockly',
+    files: 'core/**/*.js',
+    entry: 'core/blockly.js',
+    scriptExport: 'Blockly',
+  },
+  {
+    name: 'blocks',
+    files: 'blocks/**/*.js',
+    entry: 'blocks/blocks.js',
+    scriptExport: 'Blockly.libraryBlocks',
+  },
+  {
+    name: 'javascript',
+    files: ['generators/javascript.js', 'generators/javascript/**/*.js'],
+    entry: 'generators/javascript.js',
+    scriptExport: 'javascript',
+    scriptNamedExports: {'Blockly.JavaScript': 'javascriptGenerator'},
+  },
+  {
+    name: 'python',
+    files: ['generators/python.js', 'generators/python/**/*.js'],
+    entry: 'generators/python.js',
+    scriptExport: 'python',
+    scriptNamedExports: {'Blockly.Python': 'pythonGenerator'},
+  },
+  {
+    name: 'php',
+    files: ['generators/php.js', 'generators/php/**/*.js'],
+    entry: 'generators/php.js',
+    scriptExport: 'php',
+    scriptNamedExports: {'Blockly.PHP': 'phpGenerator'},
+  },
+  {
+    name: 'lua',
+    files: ['generators/lua.js', 'generators/lua/**/*.js'],
+    entry: 'generators/lua.js',
+    scriptExport: 'lua',
+    scriptNamedExports: {'Blockly.Lua': 'luaGenerator'},
+  },
+  {
+    name: 'dart',
+    files: ['generators/dart.js', 'generators/dart/**/*.js'],
+    entry: 'generators/dart.js',
+    scriptExport: 'dart',
+    scriptNamedExports: {'Blockly.Dart': 'dartGenerator'},
+  },
+];
+
+chunks[0].parent = null;
+for (let i = 1; i < chunks.length; i++) {
+  chunks[i].parent = chunks[0];
+}
+
+/**
+ * Return the name of the module object for the entrypoint of the given chunk,
+ * as munged by Closure Compiler.
+ */
+function modulePath(chunk) {
+  const entryPath = path.posix.join(TSC_OUTPUT_DIR_POSIX, chunk.entry);
+  return 'module$' + entryPath.replace(/\.js$/, '').replaceAll('/', '$');
+}
+
 const licenseRegex = `\\/\\*\\*
  \\* @license
  \\* (Copyright \\d+ (Google LLC|Massachusetts Institute of Technology))
@@ -43,481 +182,571 @@ function stripApacheLicense() {
   // Closure Compiler preserves dozens of Apache licences in the Blockly code.
   // Remove these if they belong to Google or MIT.
   // MIT's permission to do this is logged in Blockly issue #2412.
-  return gulp.replace(new RegExp(licenseRegex, "g"), '\n\n\n\n');
+  return gulp.replace(new RegExp(licenseRegex, 'g'), '\n\n\n\n');
   // Replace with the same number of lines so that source-maps are not affected.
 }
 
 /**
- * Closure compiler warning groups used to treat warnings as errors.
- * For a full list of closure compiler groups, consult:
- * https://github.com/google/closure-compiler/blob/master/src/com/google/javascript/jscomp/DiagnosticGroups.java#L113
+ * Closure Compiler diagnostic groups we want to be treated as errors.
+ * These are effected when the --debug or --strict flags are passed.
+ * For a full list of Closure Compiler groups, consult the output of
+ * google-closure-compiler --help or look in the source  here:
+ * https://github.com/google/closure-compiler/blob/master/src/com/google/javascript/jscomp/DiagnosticGroups.java#L117
+ *
+ * The list in JSCOMP_ERROR contains all the diagnostic groups we know
+ * about, but some are commented out if we don't want them, and may
+ * appear in JSCOMP_WARNING or JSCOMP_OFF instead.  Items not
+ * appearing on any list will default to setting provided by the
+ * compiler, which may vary depending on compilation level.
  */
-var JSCOMP_ERROR = [
-  'accessControls',
-  'checkPrototypalTypes',
+const JSCOMP_ERROR = [
+  // 'accessControls',  // Deprecated; means same as visibility.
+  // 'checkPrototypalTypes',  // override annotations are stripped by tsc.
   'checkRegExp',
-  'checkTypes',
+  // 'checkTypes',  // Disabled; see note in JSCOMP_OFF.
   'checkVars',
   'conformanceViolations',
   'const',
   'constantProperty',
-  'deprecated',
-  'deprecatedAnnotations',
   'duplicateMessage',
   'es5Strict',
   'externsValidation',
+  'extraRequire',  // Undocumented but valid.
   'functionParams',
-  'globalThis',
+  // 'globalThis',  // This types are stripped by tsc.
   'invalidCasts',
   'misplacedTypeAnnotation',
-  'missingGetCssName',
-  // 'missingOverride',
+  // 'missingOverride',  // There are many of these, which should be fixed.
   'missingPolyfill',
-  'missingProperties',
+  // 'missingProperties',  // Unset static properties are stripped by tsc.
   'missingProvide',
   'missingRequire',
   'missingReturn',
-  // 'missingSourcesWarnings',
+  // 'missingSourcesWarnings',  // Group of several other options.
   'moduleLoad',
   'msgDescriptions',
-  'nonStandardJsDocs',
-  // 'polymer',
-  // 'reportUnknownTypes',
-  // 'strictCheckTypes',
-  // 'strictMissingProperties',
+  // 'nonStandardJsDocs',  // Disabled; see note in JSCOMP_OFF.
+  // 'partialAlias',  // Don't want this to be an error yet; only warning.
+  // 'polymer',  // Not applicable.
+  // 'reportUnknownTypes',  // VERY verbose.
+  // 'strictCheckTypes',  // Use --strict to enable.
+  // 'strictMissingProperties',  // Part of strictCheckTypes.
+  'strictModuleChecks',  // Undocumented but valid.
   'strictModuleDepCheck',
-  // 'strictPrimitiveOperators',
+  // 'strictPrimitiveOperators',  // Part of strictCheckTypes.
   'suspiciousCode',
   'typeInvalidation',
-  'undefinedNames',
   'undefinedVars',
   'underscore',
   'unknownDefines',
-  'unusedLocalVariables',
+  // 'unusedLocalVariables',  // Disabled; see note in JSCOMP_OFF.
   'unusedPrivateMembers',
   'uselessCode',
   'untranspilableFeatures',
-  'visibility'
+  // 'visibility',  // Disabled; see note in JSCOMP_OFF.
 ];
 
 /**
- * Helper method for calling the Closure compiler.
- * @param {*} compilerOptions
- * @param {boolean=} opt_verbose Optional option for verbose logging
- * @param {boolean=} opt_warnings_as_error Optional option for treating warnings
- *     as errors.
- * @param {boolean=} opt_strict_typechecker Optional option for enabling strict
- *     type checking.
+ * Closure Compiler diagnostic groups we want to be treated as warnings.
+ * These are effected when the --debug or --strict flags are passed.
+ *
+ * For most (all?) diagnostic groups this is the default level, so
+ * it's generally sufficient to remove them from JSCOMP_ERROR.
  */
-function compile(compilerOptions, opt_verbose, opt_warnings_as_error,
-    opt_strict_typechecker) {
-  const options = {};
-  options.compilation_level = 'SIMPLE_OPTIMIZATIONS';
-  options.warning_level = opt_verbose ? 'VERBOSE' : 'DEFAULT';
-  options.language_in = 'ECMASCRIPT5_STRICT';
-  options.language_out = 'ECMASCRIPT5_STRICT';
-  options.rewrite_polyfills = false;
-  options.hide_warnings_for = 'node_modules';
-  if (opt_warnings_as_error || opt_strict_typechecker) {
-    options.jscomp_error = JSCOMP_ERROR;
-    if (opt_strict_typechecker) {
-      options.jscomp_error.push('strictCheckTypes');
-    }
-  }
+const JSCOMP_WARNING = [
+  'deprecated',
+  'deprecatedAnnotations',
+];
 
-  const platform = ['native', 'java', 'javascript'];
+/**
+ * Closure Compiler diagnostic groups we want to be ignored.  These
+ * suppressions are always effected by default.
+ *
+ * Make sure that anything added here is commented out of JSCOMP_ERROR
+ * above, as that takes precedence.)
+ */
+const JSCOMP_OFF = [
+  /* The removal of Closure type system types from our JSDoc
+   * annotations means that the Closure Compiler now generates certain
+   * diagnostics because it no longer has enough information to be
+   * sure that the input code is correct.  The following diagnostic
+   * groups are turned off to suppress such errors.
+   *
+   * When adding additional items to this list it may be helpful to
+   * search the compiler source code
+   * (https://github.com/google/closure-compiler/) for the JSC_*
+   * diagnostic name (omitting the JSC_ prefix) to find the corresponding
+   * DiagnosticGroup.
+   */
+  'checkTypes',
+  'nonStandardJsDocs',  // Due to @internal
+  'unusedLocalVariables',  // Due to code generated for merged namespaces.
+
+  /* In order to transition to ES modules, modules will need to import
+   * one another by relative paths. This means that the previous
+   * practice of moving all source files into the same directory for
+   * compilation would break imports.
+   *
+   * Not flattening files in this way breaks our usage
+   * of @package however: files were flattened so that all Blockly
+   * source files are in the same directory and can use @package to
+   * mark methods that are only allowed for use by Blockly, while
+   * still allowing access between e.g. core/events/* and
+   * core/utils/*. We were downgrading access control violations
+   * (including @private) to warnings, but this ends up being so
+   * spammy that it makes the compiler output nearly useless.
+   *
+   * Once ES module migration is complete, they will be re-enabled and
+   * an alternative to @package will be established.
+   */
+  'visibility',
+];
 
-  return closureCompiler({...options, ...compilerOptions}, { platform });
+/**
+ * Builds Blockly as a JS program, by running tsc on all the files in
+ * the core directory.
+ */
+function buildJavaScript(done) {
+  execSync(
+      `tsc -outDir "${TSC_OUTPUT_DIR}" -declarationDir "${TYPINGS_BUILD_DIR}"`,
+      {stdio: 'inherit'});
+  execSync(`node scripts/tsick.js "${TSC_OUTPUT_DIR}"`, {stdio: 'inherit'});
+  done();
 }
 
 /**
- * Helper method for possibly adding the Closure library into a sources array.
- * @param {Array.<string>} srcs
+ * This task regenerates msg/json/en.js and msg/json/qqq.js from
+ * msg/messages.js.
  */
-function maybeAddClosureLibrary(srcs) {
-  if (argv.closureLibrary) {
-    // If you require Google's Closure library, you can include it in your
-    // build by adding the --closure-library flag.
-    // You will also need to include the "google-closure-library" in your list
-    // of devDependencies.
-    console.log('Including the google-closure-library in your build.');
-    if (!fs.existsSync('./node_modules/google-closure-library')) {
-      throw Error('You must add the google-closure-library to your ' +
-        'devDependencies in package.json, and run `npm install`.');
-    }
-    srcs.push('./node_modules/google-closure-library/closure/goog/**/**/*.js');
+function generateMessages(done) {
+  // Run js_to_json.py
+  const jsToJsonCmd = `${PYTHON} scripts/i18n/js_to_json.py \
+      --input_file ${path.join('msg', 'messages.js')} \
+      --output_dir ${path.join('msg', 'json')} \
+      --quiet`;
+  execSync(jsToJsonCmd, {stdio: 'inherit'});
+
+  console.log(`
+Regenerated several flies in msg/json/.  Now run
+
+    git diff msg/json/*.json
+
+and check that operation has not overwritten any modifications made to
+hints, etc. by the TranslateWiki volunteers.  If it has, backport
+their changes to msg/messages.js and re-run 'npm run messages'.
+
+Once you are satisfied that any new hints have been backported you may
+go ahead and commit the changes, but note that the messages script
+will have removed the translator credits - be careful not to commit
+this removal!
+`);
+
+  done();
+}
+
+var languages = null;
+
+/**
+ * Get list of languages to build langfiles and/or shims for, based on .json
+ * files in msg/json/, skipping certain entries that do not correspond to an
+ * actual language).  Results are cached as this is called from both
+ * buildLangfiles and buildLangfileShims.
+ */
+function getLanguages() {
+  if (!languages) {
+    const skip = /^(keys|synonyms|qqq|constants)\.json$/;
+    languages = fs.readdirSync(path.join('msg', 'json'))
+        .filter(file => file.endsWith('json') && !skip.test(file))
+        .map(file => file.replace(/\.json$/, ''));
   }
-  return srcs;
+  return languages;
+}
+
+/**
+ * This task builds Blockly's lang files.
+ *     msg/*.js
+ */
+function buildLangfiles(done) {
+  // Create output directory.
+  fs.mkdirSync(LANG_BUILD_DIR, {recursive: true});
+
+  // Run create_messages.py.
+  const inputFiles = getLanguages().map(
+      lang => path.join('msg', 'json', `${lang}.json`));
+
+  const createMessagesCmd = `${PYTHON} ./scripts/i18n/create_messages.py \
+  --source_lang_file ${path.join('msg', 'json', 'en.json')} \
+  --source_synonym_file ${path.join('msg', 'json', 'synonyms.json')} \
+  --source_constants_file ${path.join('msg', 'json', 'constants.json')} \
+  --key_file ${path.join('msg', 'json', 'keys.json')} \
+  --output_dir ${LANG_BUILD_DIR} \
+  --quiet ${inputFiles.join(' ')}`;
+  execSync(createMessagesCmd, {stdio: 'inherit'});
+
+  done();
 }
 
 /**
- * A helper method to return an closure compiler output wrapper that wraps the
- * body in a Universal Module Definition.
- * @param {string} namespace The export namespace.
- * @param {Array.<Object>} dependencies An array of dependencies to inject.
+ * A helper method to return an Closure Compiler chunk wrapper that
+ * wraps the compiler output for the given chunk in a Universal Module
+ * Definition.
  */
-function outputWrapperUMD(namespace, dependencies) {
-  const amdDeps = dependencies.map(d => '\'' + d.amd + '\'' ).join(', ');
-  const cjsDeps = dependencies.map(d => `require('${d.cjs}')`).join(', ');
-  const browserDeps = dependencies.map(d => 'root.' + d.name).join(', ');
-  const imports = dependencies.map(d => d.name).join(', ');
-  return `// Do not edit this file; automatically generated by gulp.
+function chunkWrapper(chunk) {
+  // Each chunk can have only a single dependency, which is its parent
+  // chunk.  It is used only to retrieve the namespace object, which
+  // is saved on to the exports object for the chunk so that any child
+  // chunk(s) can obtain it.
+
+  // JavaScript expressions for the amd, cjs and browser dependencies.
+  let amdDepsExpr = '';
+  let cjsDepsExpr = '';
+  let scriptDepsExpr = '';
+  // Arguments for the factory function.
+  let factoryArgs = '';
+  // Expression to get or create the namespace object.
+  let namespaceExpr = `{}`;
+
+  if (chunk.parent) {
+    const parentFilename =
+        JSON.stringify(`./${chunk.parent.name}${COMPILED_SUFFIX}.js`);
+    amdDepsExpr = parentFilename;
+    cjsDepsExpr = `require(${parentFilename})`;
+    scriptDepsExpr = `root.${chunk.parent.scriptExport}`;
+    factoryArgs = '__parent__';
+    namespaceExpr = `${factoryArgs}.${NAMESPACE_PROPERTY}`;
+  }
+
+  // Code to save the chunk's exports object at chunk.scriptExport and
+  // additionally save individual named exports as directed by
+  // chunk.scriptNamedExports.
+  const scriptExportStatements = [
+    `root.${chunk.scriptExport} = factory(${scriptDepsExpr});`,
+  ];
+  for (var location in chunk.scriptNamedExports) {
+    const namedExport = chunk.scriptNamedExports[location];
+    scriptExportStatements.push( 
+      `root.${location} = root.${chunk.scriptExport}.${namedExport};`);
+  }
+
+  // Note that when loading in a browser the base of the exported path
+  // (e.g. Blockly.blocks.all - see issue #5932) might not exist
+  // before factory has been executed, so calling factory() and
+  // assigning the result are done in separate statements to ensure
+  // they are sequenced correctly.
+  return `// Do not edit this file; automatically generated.
 
 /* eslint-disable */
 ;(function(root, factory) {
   if (typeof define === 'function' && define.amd) { // AMD
-    define([${amdDeps}], factory);
+    define([${amdDepsExpr}], factory);
   } else if (typeof exports === 'object') { // Node.js
-    module.exports = factory(${cjsDeps});
-  } else { // Browser
-    root.${namespace} = factory(${browserDeps});
+    module.exports = factory(${cjsDepsExpr});
+  } else { // Script
+    ${scriptExportStatements.join('\n    ')}
   }
-}(this, function(${imports}) {
-  %output%
-return ${namespace};
+}(this, function(${factoryArgs}) {
+var ${NAMESPACE_VARIABLE}=${namespaceExpr};
+%output%
+${modulePath(chunk)}.${NAMESPACE_PROPERTY}=${NAMESPACE_VARIABLE};
+return ${modulePath(chunk)};
 }));
 `;
-};
+}
 
 /**
- * This task builds Blockly's core files.
- *     blockly_compressed.js
+ * Compute the chunking options to pass to Closure Compiler.  Output
+ * is in the form:
+ *
+ * {
+ *   "chunk": [
+ *     "blockly:286",
+ *     "blocks:10:blockly",
+ *     "javascript:11:blockly",
+ *     // ... one per chunk
+ *   ],
+ *   "js": [
+ *     "build/src/core/any_aliases.js",
+ *     "build/src/core/block.js",
+ *     "build/src/core/block_animations.js",
+ *     // ... many more files, in order by chunk
+ *   ],
+ *   "chunk_wrapper": [
+ *     "blockly:// Do not edit this file...",
+ *     "blocks:// Do not edit this file...",
+ *     // ... one per chunk
+ *   ]
+ * }
+ *
+ * This is designed to be passed directly as-is as the options object
+ * to the Closure Compiler node API, and be compatible with that
+ * emitted by closure-calculate-chunks.
+ *
+ * @return {{chunk: !Array<string>,
+ *           js: !Array<string>,
+ *           chunk_wrapper: !Array<string>}}
+ *     The chunking options, in the format described above.
  */
-function buildCompressed() {
-  const defines = 'Blockly.VERSION="' + packageJson.version + '"';
-  return gulp.src(maybeAddClosureLibrary(['core/**/**/*.js']), {base: './'})
-    .pipe(stripApacheLicense())
-    .pipe(gulp.sourcemaps.init())
-    // Directories in Blockly are used to group similar files together
-    // but are not used to limit access with @package, instead the
-    // method means something is internal to Blockly and not a public
-    // API.
-    // Flatten all files so they're in the same directory, but ensure that
-    // files with the same name don't conflict.
-    .pipe(gulp.rename(function (p) {
-      var dirname = p.dirname.replace(
-        new RegExp(path.sep.replace(/\\/, '\\\\'), "g"), "-");
-      p.dirname = "";
-      p.basename = dirname + "-" + p.basename;
-    }))
-    .pipe(compile({
-      dependency_mode: 'PRUNE',
-      entry_point: './core-requires.js',
-      js_output_file: 'blockly_compressed.js',
-      externs: ['./externs/svg-externs.js', './externs/goog-externs.js'],
-      define: defines,
-      language_in:
-        argv.closureLibrary ? 'ECMASCRIPT_2015' : 'ECMASCRIPT5_STRICT',
-      output_wrapper: outputWrapperUMD('Blockly', [])
-    }, argv.verbose, argv.debug, argv.strict))
-    .pipe(gulp.sourcemaps.mapSources(function (sourcePath, file) {
-      return sourcePath.replace(/-/g, '/');
-    }))
-    .pipe(gulp.sourcemaps.write('.', {
-      includeContent: false,
-      sourceRoot: './'
-    }))
-    .pipe(gulp.dest('./'));
-};
+function getChunkOptions() {
+  const chunkOptions = [];
+  const allFiles = [];
+
+  for (const chunk of chunks) {
+    const globs = typeof chunk.files === 'string' ? [chunk.files] : chunk.files;
+    const files = globs
+      .flatMap((glob) => globSync(glob, {cwd: TSC_OUTPUT_DIR_POSIX}))
+      .map((file) => path.posix.join(TSC_OUTPUT_DIR_POSIX, file));
+    chunkOptions.push(
+      `${chunk.name}:${files.length}` +
+        (chunk.parent ? `:${chunk.parent.name}` : ''),
+    );
+    allFiles.push(...files);
+  }
 
-/**
- * This task builds the Blockly's built in blocks.
- *     blocks_compressed.js
- */
-function buildBlocks() {
-  return gulp.src(['blocks/*.js'], {base: './'})
-    .pipe(stripApacheLicense())
-    .pipe(gulp.sourcemaps.init())
-    .pipe(compile({
-      dependency_mode: 'NONE',
-      externs: ['./externs/goog-externs.js', './externs/block-externs.js'],
-      js_output_file: 'blocks_compressed.js',
-      output_wrapper: outputWrapperUMD('Blockly.Blocks', [{
-        name: 'Blockly',
-        amd: './blockly_compressed.js',
-        cjs: './blockly_compressed.js'
-      }])
-    }, argv.verbose, argv.debug, argv.strict))
-    .pipe(gulp.sourcemaps.write('.', {
-      includeContent: false,
-      sourceRoot: './'
-    }))
-    .pipe(gulp.dest('./'));
-};
+  const chunkWrappers = chunks.map(
+    (chunk) => `${chunk.name}:${chunkWrapper(chunk)}`,
+  );
 
-/**
- * A helper method for building a Blockly code generator.
- * @param {string} language Generator language.
- * @param {string} namespace Language namespace.
- */
-function buildGenerator(language, namespace) {
-  return gulp.src([`generators/${language}.js`, `generators/${language}/*.js`], {base: './'})
-    .pipe(stripApacheLicense())
-    .pipe(gulp.sourcemaps.init())
-    .pipe(compile({
-      dependency_mode: 'NONE',
-      externs: ['./externs/goog-externs.js', './externs/generator-externs.js'],
-      js_output_file: `${language}_compressed.js`,
-      output_wrapper: outputWrapperUMD(`Blockly.${namespace}`, [{
-        name: 'Blockly',
-        amd: './blockly_compressed.js',
-        cjs: './blockly_compressed.js'
-      }])
-    }, argv.verbose, argv.debug, argv.strict))
-    .pipe(gulp.sourcemaps.write('.', {
-      includeContent: false,
-      sourceRoot: './'
-    }))
-    .pipe(gulp.dest('./'));
-};
+  return {chunk: chunkOptions, js: allFiles, chunk_wrapper: chunkWrappers};
+}
 
 /**
- * This task builds the javascript generator.
- *     javascript_compressed.js
+ * RegExp that globally matches path.sep (i.e., "/" or "\").
  */
-function buildJavascript() {
-  return buildGenerator('javascript', 'JavaScript');
-};
+const pathSepRegExp = new RegExp(path.sep.replace(/\\/, '\\\\'), 'g');
 
 /**
- * This task builds the python generator.
- *     python_compressed.js
+ * Helper method for calling the Closure Compiler, establishing
+ * default options (that can be overridden by the caller).
+ * @param {*} options Caller-supplied options that will override the
+ *     defaultOptions.
  */
-function buildPython() {
-  return buildGenerator('python', 'Python');
-};
+function compile(options) {
+  const defaultOptions = {
+    compilation_level: 'SIMPLE_OPTIMIZATIONS',
+    warning_level: argv.verbose ? 'VERBOSE' : 'DEFAULT',
+    language_in: 'ECMASCRIPT_2020',
+    language_out: 'ECMASCRIPT_2015',
+    jscomp_off: [...JSCOMP_OFF],
+    rewrite_polyfills: true,
+    hide_warnings_for: [
+      'node_modules',
+    ],
+    define: ['COMPILED=true'],
+  };
+  if (argv.debug || argv.strict) {
+    defaultOptions.jscomp_error = [...JSCOMP_ERROR];
+    defaultOptions.jscomp_warning = [...JSCOMP_WARNING];
+    if (argv.strict) {
+      defaultOptions.jscomp_error.push('strictCheckTypes');
+    }
+  }
+  // Extra options for Closure Compiler gulp plugin.
+  const platform = ['native', 'java', 'javascript'];
 
-/**
- * This task builds the php generator.
- *     php_compressed.js
- */
-function buildPHP() {
-  return buildGenerator('php', 'PHP');
-};
+  return closureCompiler({...defaultOptions, ...options}, {platform});
+}
 
 /**
- * This task builds the lua generator.
- *     lua_compressed.js
+ * This task compiles the core library, blocks and generators, creating
+ * blockly_compressed.js, blocks_compressed.js, etc.
  */
-function buildLua() {
-  return buildGenerator('lua', 'Lua');
-};
+function buildCompiled() {
+  // Get chunking.
+  const chunkOptions = getChunkOptions();
+  // Closure Compiler options.
+  const packageJson = getPackageJson();  // For version number.
+  const options = {
+    // The documentation for @define claims you can't use it on a
+    // non-global, but the Closure Compiler turns everything in to a
+    // global - you just have to know what the new name is!  With
+    // declareLegacyNamespace this was very straightforward.  Without
+    // it, we have to rely on implmentation details.  See
+    // https://github.com/google/closure-compiler/issues/1601#issuecomment-483452226
+    define: `VERSION$$${modulePath(chunks[0])}='${packageJson.version}'`,
+    chunk: chunkOptions.chunk,
+    chunk_wrapper: chunkOptions.chunk_wrapper,
+    rename_prefix_namespace: NAMESPACE_VARIABLE,
+    // Don't supply the list of source files in chunkOptions.js as an
+    // option to Closure Compiler; instead feed them as input via gulp.src.
+  };
+
+  // Fire up compilation pipline.
+  return gulp.src(chunkOptions.js, {base: './'})
+      .pipe(stripApacheLicense())
+      .pipe(gulp.sourcemaps.init())
+      .pipe(compile(options))
+      .pipe(gulp.rename({suffix: COMPILED_SUFFIX}))
+      .pipe(gulp.sourcemaps.write('.'))
+      .pipe(gulp.dest(RELEASE_DIR));
+}
 
 /**
- * This task builds the dart generator:
- *     dart_compressed.js
+ * This task builds the ESM wrappers used by the chunk "import"
+ * entrypoints declared in package.json.
+ *
+ * Also builds the shims used by the playgrounds and tests to
+ * load Blockly in either compressed or uncompressed mode, creating
+ * build/blockly.loader.mjs, blocks.loader.mjs, javascript.loader.mjs,
+ * etc.
+ *
+ * Prerequisite: getChunkOptions (via buildCompiled, for chunks[].parent).
  */
-function buildDart() {
-  return buildGenerator('dart', 'Dart');
-};
+async function buildShims() {
+  // Install a package.json file in BUILD_DIR to tell node.js that the
+  // .js files therein are ESM not CJS, so we can import the
+  // entrypoints to enumerate their exported names.
+  const TMP_PACKAGE_JSON = path.join(BUILD_DIR, 'package.json');
+  await fsPromises.writeFile(TMP_PACKAGE_JSON, '{"type": "module"}');
+
+  await Promise.all(chunks.map(async (chunk) => {
+    // Import chunk entrypoint to get names of exports for chunk.
+    const entryPath = path.posix.join(TSC_OUTPUT_DIR_POSIX, chunk.entry);
+    const exportedNames = Object.keys(await import(`../../${entryPath}`));
+
+    // Write an ESM wrapper that imports the CJS module and re-exports
+    // its named exports.
+    const cjsPath = `./${chunk.name}${COMPILED_SUFFIX}.js`;
+    const wrapperPath = path.join(RELEASE_DIR, `${chunk.name}.mjs`);
+    const importName = chunk.scriptExport.replace(/.*\./, '');
+
+    await fsPromises.writeFile(wrapperPath,
+        `import ${importName} from '${cjsPath}';
+export const {
+${exportedNames.map((name) => `  ${name},`).join('\n')}
+} = ${importName};
+`);
+
+    // For first chunk, write an additional ESM wrapper for 'blockly'
+    // entrypoint since it has the same exports as 'blockly/core'.
+    if (chunk.name === 'blockly') {
+      await fsPromises.writeFile(path.join(RELEASE_DIR, `index.mjs`),
+          `import Blockly from './index.js';
+export const {
+${exportedNames.map((name) => `  ${name},`).join('\n')}
+} = Blockly;
+`);
+    }
 
-/**
- * This tasks builds all the generators:
- *     javascript_compressed.js
- *     python_compressed.js
- *     php_compressed.js
- *     lua_compressed.js
- *     dart_compressed.js
- */
-const buildGenerators = gulp.parallel(
-  buildJavascript,
-  buildPython,
-  buildPHP,
-  buildLua,
-  buildDart
+    // Write a loading shim that uses loadChunk to either import the
+    // chunk's entrypoint (e.g. build/src/core/blockly.js) or load the
+    // compressed chunk (e.g. dist/blockly_compressed.js) as a script.
+    const scriptPath =
+        path.posix.join(RELEASE_DIR, `${chunk.name}${COMPILED_SUFFIX}.js`);
+    const shimPath = path.join(BUILD_DIR, `${chunk.name}.loader.mjs`);
+    const parentImport =
+        chunk.parent ?
+        `import ${quote(`./${chunk.parent.name}.loader.mjs`)};` :
+        '';
+
+    await fsPromises.writeFile(shimPath,
+        `import {loadChunk} from '../tests/scripts/load.mjs';
+${parentImport}
+
+export const {
+${exportedNames.map((name) => `  ${name},`).join('\n')}
+} = await loadChunk(
+  ${quote(entryPath)},
+  ${quote(scriptPath)},
+  ${quote(chunk.scriptExport)},
 );
+`);
+  }));
 
-/**
- * This task builds Blockly's uncompressed file.
- *     blockly_uncompressed.js
- */
-function buildUncompressed() {
-  const closurePath = argv.closureLibrary ?
-    'node_modules/google-closure-library/closure/goog' :
-    'closure/goog';
-  const header = `// Do not edit this file; automatically generated by gulp.
-'use strict';
-
-this.IS_NODE_JS = !!(typeof module !== 'undefined' && module.exports);
-
-this.BLOCKLY_DIR = (function(root) {
-  if (!root.IS_NODE_JS) {
-    // Find name of current directory.
-    var scripts = document.getElementsByTagName('script');
-    var re = new RegExp('(.+)[\\\/]blockly_(.*)uncompressed\\\.js$');
-    for (var i = 0, script; script = scripts[i]; i++) {
-      var match = re.exec(script.src);
-      if (match) {
-        return match[1];
-      }
-    }
-    alert('Could not detect Blockly\\'s directory name.');
-  }
-  return '';
-})(this);
-
-this.BLOCKLY_BOOT = function(root) {
-  // Execute after Closure has loaded.
-`;
-  const footer = `
-delete root.BLOCKLY_DIR;
-delete root.BLOCKLY_BOOT;
-delete root.IS_NODE_JS;
-};
-
-if (this.IS_NODE_JS) {
-  this.BLOCKLY_BOOT(this);
-  module.exports = Blockly;
-} else {
-  document.write('<script src="' + this.BLOCKLY_DIR +
-      '/${closurePath}/base.js"></script>');
-  document.write('<script>this.BLOCKLY_BOOT(this);</script>');
+  await fsPromises.rm(TMP_PACKAGE_JSON);
 }
-`;
-
-let deps = [];
-return gulp.src(maybeAddClosureLibrary(['core/**/**/*.js']))
-  .pipe(through2.obj((file, _enc, cb) => {
-    const result = closureDeps.parser.parseFile(file.path);
-    for (const dep of result.dependencies) {
-      deps.push(dep);
-    }
-    cb(null);
-  }))
-  .on('end', () => {
-    // Update the path to closure for any files that we don't know the full path
-    // of (parsed from a goog.addDependency call).
-    for (const dep of deps) {
-      dep.setClosurePath(closurePath);
-    }
-
-    const addDependency = closureDeps.depFile.getDepFileText(closurePath, deps);
-
-    const requires = `goog.addDependency("base.js", [], []);
-
-// Load Blockly.
-goog.require('Blockly.requires')
-`;
-    fs.writeFileSync('blockly_uncompressed.js',
-      header +
-      addDependency +
-      requires +
-      footer);
-  });
-};
 
 /**
- * This task builds Blockly's lang files.
- *     msg/*.js
+ * This task builds the ESM wrappers used by the langfiles "import"
+ * entrypoints declared in package.json.
  */
-function buildLangfiles(done) {
-  // Run js_to_json.py
-  const jsToJsonCmd = `python ./scripts/i18n/js_to_json.py \
---input_file ${path.join('msg', 'messages.js')} \
---output_dir ${path.join('msg', 'json')} \
---quiet`;
-  execSync(jsToJsonCmd, { stdio: 'inherit' });
-
-  // Run create_messages.py
-  let json_files = fs.readdirSync(path.join('msg', 'json'));
-  json_files = json_files.filter(file => file.endsWith('json') &&
-    !(new RegExp(/(keys|synonyms|qqq|constants)\.json$/).test(file)));
-  json_files = json_files.map(file => path.join('msg', 'json', file));
-  const createMessagesCmd = `python ./scripts/i18n/create_messages.py \
-  --source_lang_file ${path.join('msg', 'json', 'en.json')} \
-  --source_synonym_file ${path.join('msg', 'json', 'synonyms.json')} \
-  --source_constants_file ${path.join('msg', 'json', 'constants.json')} \
-  --key_file ${path.join('msg', 'json', 'keys.json')} \
-  --output_dir ${path.join('msg', 'js')} \
-  --quiet ${json_files.join(' ')}`;
-    execSync(createMessagesCmd, { stdio: 'inherit' });
-
-  done();
-};
+async function buildLangfileShims() {
+  // Create output directory.
+  fs.mkdirSync(path.join(RELEASE_DIR, 'msg'), {recursive: true});
+
+  // Get the names of the exports from the langfile by require()ing
+  // msg/messages.js and letting it mutate the (global) Blockly.Msg.
+  // (We have to do it this way because messages.js is a script and
+  // not a CJS module with exports.)
+  globalThis.Blockly = {Msg: {}};
+  require('../../msg/messages.js');
+  const exportedNames = Object.keys(globalThis.Blockly.Msg);
+  delete globalThis.Blockly;
+
+  await Promise.all(getLanguages().map(async (lang) => {
+    // Write an ESM wrapper that imports the CJS module and re-exports
+    // its named exports.
+    const cjsPath = `./${lang}.js`;
+    const wrapperPath = path.join(RELEASE_DIR, 'msg', `${lang}.mjs`);
+    const safeLang = lang.replace(/-/g, '_');
+
+    await fsPromises.writeFile(wrapperPath,
+        `import ${safeLang} from '${cjsPath}';
+export const {
+${exportedNames.map((name) => `  ${name},`).join('\n')}
+} = ${safeLang};
+`);
+  }));
+}
 
 /**
  * This task builds Blockly core, blocks and generators together and uses
- * closure compiler's ADVANCED_COMPILATION mode.
+ * Closure Compiler's ADVANCED_COMPILATION mode.
+ *
+ * Prerequisite: buildJavaScript.
  */
 function buildAdvancedCompilationTest() {
+  // If main_compressed.js exists (from a previous run) delete it so that
+  // a later browser-based test won't check it should the compile fail.
+  try {
+    fs.unlinkSync('./tests/compile/main_compressed.js');
+  } catch (_e) {
+    // Probably it didn't exist.
+  }
+
   const srcs = [
+    TSC_OUTPUT_DIR + '/**/*.js',
     'tests/compile/main.js',
-    'core/**/**/*.js',
-    'blocks/*.js',
-    'generators/**/*.js'];
-  return gulp.src(maybeAddClosureLibrary(srcs), {base: './'})
-    .pipe(stripApacheLicense())
-    .pipe(gulp.sourcemaps.init())
-    // Directories in Blockly are used to group similar files together
-    // but are not used to limit access with @package, instead the
-    // method means something is internal to Blockly and not a public
-    // API.
-    // Flatten all files so they're in the same directory, but ensure that
-    // files with the same name don't conflict.
-    .pipe(gulp.rename(function (p) {
-      if (p.dirname.indexOf('core') === 0) {
-        var dirname = p.dirname.replace(
-          new RegExp(path.sep.replace(/\\/, '\\\\'), "g"), "-");
-        p.dirname = "";
-        p.basename = dirname + "-" + p.basename;
-      }
-    }))
-    .pipe(compile({
-      dependency_mode: 'PRUNE',
-      compilation_level: 'ADVANCED_OPTIMIZATIONS',
-      entry_point: './tests/compile/main.js',
-      js_output_file: 'main_compressed.js',
-      externs: ['./externs/svg-externs.js', './externs/goog-externs.js'],
-      language_in:
-        argv.closureLibrary ? 'ECMASCRIPT_2015' : 'ECMASCRIPT5_STRICT'
-    }, argv.verbose, argv.strict))
-    .pipe(gulp.sourcemaps.mapSources(function (sourcePath, file) {
-      return sourcePath.replace(/-/g, '/');
-    }))
-    .pipe(gulp.sourcemaps.write('.', {
-      includeContent: false,
-      sourceRoot: '../../'
-    }))
-    .pipe(gulp.dest('./tests/compile/'));
+    'tests/compile/test_blocks.js',
+  ];
+
+  // Closure Compiler options.
+  const options = {
+    dependency_mode: 'PRUNE',
+    compilation_level: 'ADVANCED_OPTIMIZATIONS',
+    entry_point: './tests/compile/main.js',
+    js_output_file: 'main_compressed.js',
+  };
+  return gulp.src(srcs, {base: './'})
+      .pipe(stripApacheLicense())
+      .pipe(gulp.sourcemaps.init())
+      .pipe(compile(options))
+      .pipe(gulp.sourcemaps.write(
+          '.', {includeContent: false, sourceRoot: '../../'}))
+      .pipe(gulp.dest('./tests/compile/'));
 }
 
 /**
- * This tasks builds Blockly's core files:
- *     blockly_compressed.js
- *     blocks_compressed.js
- *     blockly_uncompressed.js
+ * This task cleans the build directory (by deleting it).
  */
-const buildCore = gulp.parallel(
-  buildCompressed,
-  buildBlocks,
-  buildUncompressed
-);
+function cleanBuildDir() {
+  // Sanity check.
+  if (BUILD_DIR === '.' || BUILD_DIR === '/') {
+    return Promise.reject(`Refusing to rm -rf ${BUILD_DIR}`);
+  }
+  return rimraf(BUILD_DIR);
+}
 
-/**
- * This task builds all of Blockly:
- *     blockly_compressed.js
- *     blocks_compressed.js
- *     javascript_compressed.js
- *     python_compressed.js
- *     php_compressed.js
- *     lua_compressed.js
- *     dart_compressed.js
- *     blockly_uncompressed.js
- *     msg/json/*.js
- */
-const build = gulp.parallel(
-  buildCore,
-  buildGenerators,
-  buildLangfiles
-);
+// Main sequence targets.  Each should invoke any immediate prerequisite(s).
+exports.cleanBuildDir = cleanBuildDir;
+exports.langfiles = gulp.parallel(buildLangfiles, buildLangfileShims);
+exports.tsc = buildJavaScript;
+exports.minify = gulp.series(exports.tsc, buildCompiled, buildShims);
+exports.build = gulp.parallel(exports.minify, exports.langfiles);
 
-module.exports = {
-  build: build,
-  core: buildCore,
-  blocks: buildBlocks,
-  langfiles: buildLangfiles,
-  uncompressed: buildUncompressed,
-  compressed: buildCompressed,
-  generators: buildGenerators,
-  advancedCompilationTest: buildAdvancedCompilationTest,
-}
+// Manually-invokable targets, with prerequisites where required.
+exports.messages = generateMessages;  // Generate msg/json/en.json et al.
+exports.buildAdvancedCompilationTest =
+    gulp.series(exports.tsc, buildAdvancedCompilationTest);
+
+// Targets intended only for invocation by scripts; may omit prerequisites.
+exports.onlyBuildAdvancedCompilationTest = buildAdvancedCompilationTest;
diff --git a/scripts/gulpfiles/config.js b/scripts/gulpfiles/config.js
new file mode 100644
index 00000000000..90cd571099d
--- /dev/null
+++ b/scripts/gulpfiles/config.js
@@ -0,0 +1,41 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Common configuration for Gulp scripts.
+ */
+
+const path = require('path');
+
+// Paths are all relative to the repository root.  Do not include
+// trailing slash.
+//
+// TODO(#5007): If you modify these values, you must also modify the
+// corresponding values in the following files:
+//
+// - tests/scripts/compile_typings.sh
+// - tests/scripts/check_metadata.sh
+// - tests/scripts/update_metadata.sh
+
+// Directory to write compiled output to.
+exports.BUILD_DIR = 'build';
+
+// Directory to write typings output to.
+exports.TYPINGS_BUILD_DIR = path.join(exports.BUILD_DIR, 'declarations');
+
+// Directory to write langfile output to.
+exports.LANG_BUILD_DIR = path.join(exports.BUILD_DIR, 'msg');
+
+// Directory where typescript compiler output can be found.
+// Matches the value in tsconfig.json: outDir
+exports.TSC_OUTPUT_DIR = path.join(exports.BUILD_DIR, 'src');
+
+// Directory for files generated by compiling test code.
+exports.TEST_TSC_OUTPUT_DIR = path.join(exports.BUILD_DIR, 'tests');
+
+// Directory in which to assemble (and from which to publish) the
+// blockly npm package.
+exports.RELEASE_DIR = 'dist';
diff --git a/scripts/gulpfiles/docs_tasks.js b/scripts/gulpfiles/docs_tasks.js
new file mode 100644
index 00000000000..8820a586f9b
--- /dev/null
+++ b/scripts/gulpfiles/docs_tasks.js
@@ -0,0 +1,147 @@
+const {execSync} = require('child_process');
+const {Extractor} = require('markdown-tables-to-json');
+const fs = require('fs');
+const gulp = require('gulp');
+const header = require('gulp-header');
+const replace = require('gulp-replace');
+
+const DOCS_DIR = 'docs';
+
+/**
+ * Run API Extractor to generate the intermediate json file.
+ */
+const generateApiJson = function(done) {
+  execSync('api-extractor run --local', {stdio: 'inherit'});
+  done();
+}
+
+/**
+ * API Extractor output spuriously renames some functions. Undo that.
+ * See https://github.com/microsoft/rushstack/issues/2534
+ */
+const removeRenames = function() {
+  return gulp.src('temp/blockly.api.json')
+      .pipe(replace('_2', ''))
+      .pipe(gulp.dest('temp/'));
+}
+
+/**
+ * Run API Documenter to generate the raw docs files.
+ */
+const generateDocs = function(done) {
+  if (!fs.existsSync(DOCS_DIR)) {
+    // Create the directory if it doesn't exist.
+    // If it already exists, the contents will be deleted by api-documenter.
+    fs.mkdirSync(DOCS_DIR);
+  }
+  execSync(
+      `api-documenter markdown --input-folder temp --output-folder ${DOCS_DIR}`,
+      {stdio: 'inherit'});
+  done();
+}
+
+/**
+ * Prepends the project and book metadata that devsite requires.
+ */
+const prependBook = function() {
+  return gulp.src('docs/*.md')
+      .pipe(header(
+          'Project: /blockly/_project.yaml\nBook: /blockly/_book.yaml\n\n'))
+      .pipe(gulp.dest(DOCS_DIR));
+}
+
+/**
+ * Creates a map of top-level pages to sub-pages, e.g. a mapping
+ * of `block_class` to every page associated with that class.
+ * This is needed to create an accurate table of contents.
+ * @param {string[]} allFiles All files in docs directory.
+ * @returns {Map<string, string[]>}
+ */
+const buildAlternatePathsMap = function(allFiles) {
+  let map = new Map();
+  for (let file of allFiles) {
+    // Get the name of the class/namespaces/variable/etc., i.e. the top-level
+    // page.
+    let filePieces = file.split('.');
+    let name = filePieces[1];
+    if (!map.has(name)) {
+      map.set(name, []);
+    }
+    if (filePieces[2] === 'md') {
+      // Don't add the top-level page to the map.
+      continue;
+    }
+    // Add all sub-pages to the array for the corresponding top-level page.
+    map.get(name).push(file);
+  }
+  return map;
+}
+
+/**
+ * Create the _toc.yaml file used by devsite to create the leftnav.
+ * This file is generated from the contents of `blockly.md` which contains links
+ * to the other top-level API pages (each class, namespace, etc.).
+ *
+ * The `alternate_paths` for each top-level page contains the path for
+ * each associated sub-page. All subpages must be linked to their top-level page
+ * in the TOC for the left nav bar to remain correct after drilling down into a
+ * sub-page.
+ */
+const createToc = function(done) {
+  const fileContent = fs.readFileSync(`${DOCS_DIR}/blockly.md`, 'utf8');
+  // Create the TOC file. The file should not yet exist; if it does, this
+  // operation will fail.
+  const toc = fs.openSync(`${DOCS_DIR}/_toc.yaml`, 'ax');
+  const files = fs.readdirSync(DOCS_DIR);
+  const map = buildAlternatePathsMap(files);
+  const referencePath = '/blockly/reference/js';
+
+  const tocHeader = `toc:
+- title: Overview
+  path: /blockly/reference/js/blockly.md\n`;
+  fs.writeSync(toc, tocHeader);
+
+  // Generate a section of TOC for each section/heading in the overview file.
+  const sections = fileContent.split('##');
+  for (let section of sections) {
+    // This converts the md table in each section to a JS object
+    const table = Extractor.extractObject(section, 'rows', false);
+    if (!table) {
+      continue;
+    }
+    // Get the name of the section, i.e. the text immediately after the `##` in
+    // the source doc
+    const sectionName = section.split('\n')[0].trim();
+    fs.writeSync(toc, `- heading: ${sectionName}\n`);
+    for (let row in table) {
+      // After going through the Extractor, the markdown is now HTML.
+      // Each row in the table is now a link (anchor tag).
+      // Get the target of the link, excluding the first `.` since we don't want
+      // a relative path.
+      const path = /href="\.(.*?)"/.exec(row)?.[1];
+      // Get the name of the link (text in between the <a> and </a>)
+      const name = /">(.*?)</.exec(row)?.[1];
+      if (!path || !name) {
+        continue;
+      }
+      fs.writeSync(toc, `- title: ${name}\n  path: ${referencePath}${path}\n`);
+      // Get the list of sub-pages for this page.
+      // Add each sub-page to the `alternate_paths` property.
+      let pages = map.get(path.split('.')[1]);
+      if (pages?.length) {
+        fs.writeSync(toc, `  alternate_paths:\n`);
+        for (let page of pages) {
+          fs.writeSync(toc, `  - ${referencePath}/${page}\n`);
+        }
+      }
+    }
+  }
+
+  done();
+}
+
+const docs = gulp.series(
+    generateApiJson, removeRenames, generateDocs,
+    gulp.parallel(prependBook, createToc));
+
+module.exports = {docs};
diff --git a/scripts/gulpfiles/git_tasks.js b/scripts/gulpfiles/git_tasks.js
index 35b737be758..7c320cd8791 100644
--- a/scripts/gulpfiles/git_tasks.js
+++ b/scripts/gulpfiles/git_tasks.js
@@ -8,121 +8,174 @@
  * @fileoverview Git-related gulp tasks for Blockly.
  */
 
-var gulp = require('gulp');
-var execSync = require('child_process').execSync;
+const gulp = require('gulp');
+const execSync = require('child_process').execSync;
 
-var typings = require('./typings');
-var buildTasks = require('./build_tasks');
+const buildTasks = require('./build_tasks');
+const packageTasks = require('./package_tasks');
 
-const upstream_url = "https://github.com/google/blockly.git";
+const UPSTREAM_URL = 'https://github.com/google/blockly.git';
 
-// Stash current state, check out the named branch, and sync with
-// google/blockly.
+/**
+ * Extra paths to include in the gh_pages branch (beyond the normal
+ * contents of master / develop).  Passed to shell unquoted, so can
+ * include globs.
+ */
+const EXTRAS = [
+  'build/msg',
+  'dist/*_compressed.js*',
+  'node_modules/@blockly',
+  'build/*.loader.mjs',
+];
+
+let upstream = null;
+
+/**
+ * Get name of git remote for upstream (typically 'upstream', but this
+ * is just convention and can be changed.)
+ */
+function getUpstream() {
+  if (upstream) return upstream;
+  for (const line of String(execSync('git remote -v')).split('\n')) {
+    if (line.includes('google/blockly')) {
+      upstream = line.split('\t')[0];
+      return upstream;
+    }
+  }
+  throw new Error('Unable to determine upstream URL');
+}
+
+/**
+ * Stash current state, check out the named branch, and sync with
+ * google/blockly.
+ */
 function syncBranch(branchName) {
   return function(done) {
     execSync('git stash save -m "Stash for sync"', { stdio: 'inherit' });
     checkoutBranch(branchName);
-    execSync('git pull ' + upstream_url + ' ' + branchName,
-        { stdio: 'inherit' });
-    execSync('git push origin ' + branchName, { stdio: 'inherit' });
+    execSync(`git pull ${UPSTREAM_URL} ${branchName}`, { stdio: 'inherit' });
+    execSync(`git push origin ${branchName}`, { stdio: 'inherit' });
     done();
-  }
+  };
 }
 
-// Stash current state, check out develop, and sync with google/blockly.
+/**
+ * Stash current state, check out develop, and sync with
+ * google/blockly.
+ */
 function syncDevelop() {
   return syncBranch('develop');
 };
 
-// Stash current state, check out master, and sync with google/blockly.
+/**
+ * Stash current state, check out master, and sync with
+ * google/blockly.
+ */
 function syncMaster() {
   return syncBranch('master');
 };
 
-// Helper function: get a name for a rebuild branch. Format: rebuild_mm_dd_yyyy.
+/**
+ * Helper function: get a name for a rebuild branch. Format:
+ * rebuild_mm_dd_yyyy.
+ */
 function getRebuildBranchName() {
-  var date = new Date();
-  var mm = date.getMonth() + 1; // Month, 0-11
-  var dd = date.getDate(); // Day of the month, 1-31
-  var yyyy = date.getFullYear();
-  return 'rebuild_' + mm + '_' + dd + '_' + yyyy;
+  const date = new Date();
+  const mm = date.getMonth() + 1;  // Month, 0-11
+  const dd = date.getDate();  // Day of the month, 1-31
+  const yyyy = date.getFullYear();
+  return `rebuild_${mm}_${dd}_${yyyy}`;
 };
 
-// Helper function: get a name for a rebuild branch. Format: rebuild_yyyy_mm.
+/**
+ * Helper function: get a name for a rebuild branch. Format:
+ * rebuild_yyyy_mm.
+ */
 function getRCBranchName() {
-  var date = new Date();
-  var mm = date.getMonth() + 1; // Month, 0-11
-  var yyyy = date.getFullYear();
-  return 'rc_' + yyyy + '_' + mm;
+  const date = new Date();
+  const mm = date.getMonth() + 1;  // Month, 0-11
+  const yyyy = date.getFullYear();
+  return `rc_${yyyy}_${mm}`;
 };
 
-// If branch does not exist then create the branch.
-// If branch exists switch to branch.
+/**
+ * If branch does not exist then create the branch.
+ * If branch exists switch to branch.
+ */
 function checkoutBranch(branchName) {
-  execSync('git checkout ' + branchName + ' || git checkout -b ' + branchName,
-   { stdio: 'inherit' });
+  execSync(`git switch -c ${branchName}`,
+      { stdio: 'inherit' });
 }
 
-// Switch to a new rebuild branch.
-const preCompile = gulp.series(
+/**
+ * Create and push an RC branch.
+ * Note that this pushes to google/blockly.
+ */
+const createRC = gulp.series(
   syncDevelop(),
   function(done) {
-    var branchName = getRebuildBranchName();
-    console.log('make-rebuild-branch: creating branch ' + branchName);
-    execSync('git checkout -b ' + branchName, { stdio: 'inherit' });
+    const branchName = getRCBranchName();
+    execSync(`git switch -C ${branchName}`, { stdio: 'inherit' });
+    execSync(`git push ${UPSTREAM_URL} ${branchName}`, { stdio: 'inherit' });
     done();
   }
 );
 
-// Build all files, types, and push to rebuild branch.
-const postCompile = gulp.series(
-  buildTasks.build,
-  typings.typings,
-  function(done) {
-    console.log('push-rebuild-branch: committing rebuild');
-    execSync('git commit -am "Rebuild"', { stdio: 'inherit' });
-    var branchName = getRebuildBranchName();
-    execSync('git push origin ' + branchName, { stdio: 'inherit' });
-    console.log('Branch ' + branchName + ' pushed to GitHub.');
-    console.log('Next step: create a pull request against develop.');
-    done();
-  }
-);
+/** Create the rebuild branch. */
+function createRebuildBranch(done) {
+  const branchName = getRebuildBranchName();
+  console.log(`make-rebuild-branch: creating branch ${branchName}`);
+  execSync(`git switch -C ${branchName}`, { stdio: 'inherit' });
+  done();
+}
 
-// Create and push an RC branch.
-// Note that this pushes to google/blockly.
-const createRC = gulp.series(
-  syncDevelop(),
-  function(done) {
-    var branchName = getRCBranchName();
-    execSync('git checkout -b ' + branchName, { stdio: 'inherit' });
-    execSync('git push ' + upstream_url + ' ' + branchName,
-        { stdio: 'inherit' });
-    done();
-  }
-);
+/** Push the rebuild branch to origin. */
+function pushRebuildBranch(done) {
+  console.log('push-rebuild-branch: committing rebuild');
+  execSync('git commit -am "Rebuild"', { stdio: 'inherit' });
+  const branchName = getRebuildBranchName();
+  execSync(`git push origin ${branchName}`, { stdio: 'inherit' });
+  console.log(`Branch ${branchName} pushed to GitHub.`);
+  console.log('Next step: create a pull request against develop.');
+  done();
+}
 
-// Update github pages with what is currently in develop.
+/**
+ * Update github pages with what is currently in develop.
+ *
+ * Prerequisites (invoked): clean, build.
+ */
 const updateGithubPages = gulp.series(
-  syncBranch('gh-pages'),
   function(done) {
-    execSync('git pull ' + upstream_url + ' develop', { stdio: 'inherit' });
+    execSync('git stash save -m "Stash for sync"', { stdio: 'inherit' });
+    execSync('git switch -C gh-pages', { stdio: 'inherit' });
+    execSync(`git fetch ${getUpstream()}`, { stdio: 'inherit' });
+    execSync(`git reset --hard ${getUpstream()}/develop`, { stdio: 'inherit' });
     done();
   },
+  buildTasks.cleanBuildDir,
+  packageTasks.cleanReleaseDir,
   buildTasks.build,
   function(done) {
-    execSync('git commit -am "Rebuild"', { stdio: 'inherit' });
-    execSync('git push ' + upstream_url + ' gh-pages', { stdio: 'inherit' });
-    execSync('git push origin gh-pages', { stdio: 'inherit' });
+    // Extra paths (e.g. build/, dist/ etc.) are normally gitignored,
+    // so we have to force add.
+    execSync(`git add -f ${EXTRAS.join(' ')}`, {stdio: 'inherit'});
+    execSync('git commit -am "Rebuild"', {stdio: 'inherit'});
+    execSync(`git push ${UPSTREAM_URL} gh-pages --force`, {stdio: 'inherit'});
     done();
   }
 );
 
 module.exports = {
-  syncDevelop: syncDevelop,
-  syncMaster: syncMaster,
-  createRC: createRC,
-  preCompile: preCompile,
-  postCompile: postCompile,
-  updateGithubPages: updateGithubPages
-}
+  // Main sequence targets.  Each should invoke any immediate prerequisite(s).
+  updateGithubPages,
+
+  // Manually-invokable targets that invoke prerequisites.
+  createRC,
+
+  // Legacy script-only targets, to be deleted.
+  syncDevelop,
+  syncMaster,
+  createRebuildBranch,
+  pushRebuildBranch,
+};
diff --git a/scripts/gulpfiles/helper_tasks.js b/scripts/gulpfiles/helper_tasks.js
new file mode 100644
index 00000000000..b239d03f5fa
--- /dev/null
+++ b/scripts/gulpfiles/helper_tasks.js
@@ -0,0 +1,19 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Any gulp helper functions.
+ */
+
+// Clears the require cache to ensure the package.json is up to date.
+function getPackageJson() {
+  delete require.cache[require.resolve('../../package.json')]
+  return require('../../package.json');
+}
+
+module.exports = {
+  getPackageJson: getPackageJson
+}
diff --git a/scripts/gulpfiles/license_tasks.js b/scripts/gulpfiles/license_tasks.js
deleted file mode 100644
index 3e6b93efb3e..00000000000
--- a/scripts/gulpfiles/license_tasks.js
+++ /dev/null
@@ -1,21 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Gulp tasks to check the licenses of Blockly dependencies.
- */
-
-const jsgl = require('js-green-licenses');
-
-function checkLicenses() {
-  const checker = new jsgl.LicenseChecker();
-  checker.setDefaultHandlers();
-  return checker.checkLocalDirectory('.');
-};
-
-module.exports = {
-  checkLicenses: checkLicenses
-};
diff --git a/scripts/gulpfiles/package_tasks.js b/scripts/gulpfiles/package_tasks.js
index 24cb4000bfe..48dfd5b8436 100644
--- a/scripts/gulpfiles/package_tasks.js
+++ b/scripts/gulpfiles/package_tasks.js
@@ -8,303 +8,89 @@
  * @fileoverview Gulp tasks to package Blockly for distribution on NPM.
  */
 
-var gulp = require('gulp');
+const gulp = require('gulp');
 gulp.concat = require('gulp-concat');
 gulp.replace = require('gulp-replace');
 gulp.rename = require('gulp-rename');
 gulp.insert = require('gulp-insert');
 gulp.umd = require('gulp-umd');
+gulp.replace = require('gulp-replace');
 
-var path = require('path');
-var fs = require('fs');
-
-var packageJson = require('../../package.json');
-
-const blocklyRoot = '../../';
-
-// The destination path where all the NPM distribution files will go.
-const packageDistribution = 'dist';
+const path = require('path');
+const fs = require('fs');
+const {rimraf} = require('rimraf');
+const build = require('./build_tasks');
+const {getPackageJson} = require('./helper_tasks');
+const {BUILD_DIR, LANG_BUILD_DIR, RELEASE_DIR, TYPINGS_BUILD_DIR} = require('./config');
 
+// Path to template files for gulp-umd.
+const TEMPLATE_DIR = 'scripts/package/templates';
 
 /**
  * A helper method for wrapping a file into a Universal Module Definition.
  * @param {string} namespace The export namespace.
- * @param {Array.<Object>} dependencies An array of dependencies to inject.
+ * @param {Array<Object>} dependencies An array of dependencies to inject.
  */
-function packageUMD(namespace, dependencies) {
+function packageUMD(namespace, dependencies, template = 'umd.template') {
   return gulp.umd({
     dependencies: function () { return dependencies; },
     namespace: function () { return namespace; },
     exports: function () { return namespace; },
-    template: path.join(__dirname, `${blocklyRoot}/scripts/package/templates/umd.template`)
+    template: path.join(TEMPLATE_DIR, template)
   });
 };
 
-/**
- * A helper method for wrapping a file into a CommonJS module for Node.js.
- * @param {string} namespace The export namespace.
- * @param {Array.<Object>} dependencies An array of dependencies to inject.
- */
-function packageCommonJS(namespace, dependencies) {
-  return gulp.umd({
-    dependencies: function () { return dependencies; },
-    namespace: function () { return namespace; },
-    exports: function () { return namespace; },
-    template: path.join(__dirname, `${blocklyRoot}/scripts/package/templates/node.template`)
-  });
-};
-
-/**
- * This task copies source files into the distribution directory.
- */
-function packageSources() {
-  return gulp.src(['core/**/**.js', 'blocks/**.js', 'generators/**/**.js'],
-      {base: '.'})
-    .pipe(gulp.dest(packageDistribution));
-};
-
-/**
- * This task copies the compressed files and their source maps into the
- * distribution directory.
- */
-function packageCompressed() {
-  return gulp.src('*_compressed.js?(.map)')
-    .pipe(gulp.dest(packageDistribution));
-};
-
-/**
- * This task wraps scripts/package/blockly.js into a UMD module.
- * @example import 'blockly/blockly';
- */
-function packageBlockly() {
-  return gulp.src('scripts/package/blockly.js')
-    .pipe(packageUMD('Blockly', [{
-        name: 'Blockly',
-        amd: './blockly_compressed',
-        cjs: './blockly_compressed',
-      }]))
-    .pipe(gulp.rename('blockly.js'))
-    .pipe(gulp.dest(packageDistribution));
-};
-
-/**
- * This task wraps scripts/package/blocks.js into a UMD module.
- * @example import 'blockly/blocks';
- */
-function packageBlocks() {
-  return gulp.src('scripts/package/blocks.js')
-    .pipe(packageUMD('Blockly.Blocks', [{
-        name: 'Blockly',
-        amd: './blocks_compressed',
-        cjs: './blocks_compressed',
-      }]))
-    .pipe(gulp.rename('blocks.js'))
-    .pipe(gulp.dest(packageDistribution));
-};
-
 /**
  * This task wraps scripts/package/index.js into a UMD module.
- * We implicitly require the Node entry point in CommonJS environments,
- * and the Browser entry point for AMD environments.
- * @example import * as Blockly from 'blockly';
+ *
+ * This module is the main entrypoint for the blockly package, and
+ * loads blockly/core, blockly/blocks and blockly/msg/en and then
+ * calls setLocale(en).
  */
 function packageIndex() {
   return gulp.src('scripts/package/index.js')
     .pipe(packageUMD('Blockly', [{
         name: 'Blockly',
-        amd: './browser',
-        cjs: './node',
-      }]))
-    .pipe(gulp.rename('index.js'))
-    .pipe(gulp.dest(packageDistribution));
-};
-
-/**
- * This task wraps scripts/package/browser/index.js into a UMD module.
- * By default, the module includes Blockly core and built-in blocks,
- * as well as the JavaScript code generator and the English block
- * localization files.
- * This module is configured (in package.json) to replaces the module
- * built by package-node in browser environments.
- * @example import * as Blockly from 'blockly/browser';
- */
-function packageBrowser() {
-  return gulp.src('scripts/package/browser/index.js')
-    .pipe(packageUMD('Blockly', [{
-        name: 'Blockly',
-        amd: './core-browser',
-        cjs: './core-browser',
-      },{
-        name: 'En',
-        amd: './msg/en',
-        cjs: './msg/en',
-      },{
-        name: 'BlocklyBlocks',
-        amd: './blocks',
-        cjs: './blocks',
-      },{
-        name: 'BlocklyJS',
-        amd: './javascript',
-        cjs: './javascript',
-      }]))
-    .pipe(gulp.rename('browser.js'))
-    .pipe(gulp.dest(packageDistribution));
-};
-
-/**
- * This task wraps scripts/package/browser/core.js into a UMD module.
- * By default, the module includes the Blockly core package and a
- * helper method to set the locale.
- * This module is configured (in package.json) to replaces the module
- * built by package-node-core in browser environments.
- * @example import * as Blockly from 'blockly/core';
- */
-function packageCore() {
-  return gulp.src('scripts/package/browser/core.js')
-    .pipe(packageUMD('Blockly', [{
-        name: 'Blockly',
-        amd: './blockly',
-        cjs: './blockly',
-      }]))
-    .pipe(gulp.rename('core-browser.js'))
-    .pipe(gulp.dest(packageDistribution));
-};
-
-/**
- * This task wraps scripts/package/node/index.js into a CommonJS module for Node.js.
- * By default, the module includes Blockly core and built-in blocks,
- * as well as all the code generators and the English block localization files.
- * This module is configured (in package.json) to be replaced by the module
- * built by package-browser in browser environments.
- * @example import * as Blockly from 'blockly/node';
- */
-function packageNode() {
-  return gulp.src('scripts/package/node/index.js')
-    .pipe(packageCommonJS('Blockly', [{
-        name: 'Blockly',
-        cjs: './core',
-      },{
-        name: 'En',
-        cjs: './msg/en',
-      },{
-        name: 'BlocklyBlocks',
-        cjs: './blocks',
+        amd: 'blockly/core',
+        cjs: 'blockly/core',
       },{
-        name: 'BlocklyJS',
-        cjs: './javascript',
+        name: 'en',
+        amd: 'blockly/msg/en',
+        cjs: 'blockly/msg/en',
+        global: 'Blockly.Msg',
       },{
-        name: 'BlocklyPython',
-        cjs: './python',
-      },{
-        name: 'BlocklyPHP',
-        cjs: './php',
-      },{
-        name: 'BlocklyLua',
-        cjs: './lua',
-      }, {
-        name: 'BlocklyDart',
-        cjs: './dart',
+        name: 'blocks',
+        amd: 'blockly/blocks',
+        cjs: 'blockly/blocks',
+        global: 'Blockly.Blocks',
       }]))
-    .pipe(gulp.rename('node.js'))
-    .pipe(gulp.dest(packageDistribution));
-};
-
-/**
- * This task wraps scripts/package/node/core.js into a CommonJS module for Node.js.
- * By default, the module includes the Blockly core package for Node.js
- * and a helper method to set the locale.
- * This module is configured (in package.json) to be replaced by the module
- * built by package-core in browser environments.
- * @example import * as Blockly from 'blockly/core';
- */
-function packageNodeCore() {
-  return gulp.src('scripts/package/node/core.js')
-    .pipe(packageCommonJS('Blockly', [{
-        name: 'Blockly',
-        amd: './blockly',
-        cjs: './blockly',
-      }]))
-    .pipe(gulp.rename('core.js'))
-    .pipe(gulp.dest(packageDistribution));
-};
-
-/**
- * A helper method for wrapping a generator file into a UMD module.
- * @param {string} file Source file name.
- * @param {string} rename Destination file name.
- * @param {string} namespace Export namespace.
- */
-function packageGenerator(file, rename, namespace) {
-  return gulp.src(`scripts/package/${rename}`)
-    .pipe(packageUMD(`Blockly${namespace}`, [{
-        name: 'Blockly',
-        amd: './core',
-        cjs: './core',
-      }, {
-        name: `Blockly${namespace}`,
-        amd: `./${file}`,
-        cjs: `./${file}`,
-      }]))
-    .pipe(gulp.rename(rename))
-    .pipe(gulp.dest(packageDistribution));
-};
-
-/**
- * This task wraps javascript_compressed.js into a UMD module.
- * @example import 'blockly/javascript';
- */
-function packageJavascript() {
-  return packageGenerator('javascript_compressed.js', 'javascript.js', 'JavaScript');
-};
-
-/**
- * This task wraps python_compressed.js into a UMD module.
- * @example import 'blockly/python';
- */
-function packagePython() {
-  return packageGenerator('python_compressed.js', 'python.js', 'Python');
+    .pipe(gulp.dest(RELEASE_DIR));
 };
 
 /**
- * This task wraps lua_compressed.js into a UMD module.
- * @example import 'blockly/lua';
+ * This task copies scripts/package/core-node.js into into the
+ * package.  This module will be the 'blockly/core' entrypoint for
+ * node.js environments.
+ *
+ * Note that, unlike index.js, this file does not get a UMD wrapper.
+ * This is because it is only used in node.js environments and so is
+ * guaranteed to be loaded as a CJS module.
  */
-function packageLua() {
-  return packageGenerator('lua_compressed.js', 'lua.js', 'Lua');
+function packageCoreNode() {
+  return gulp.src('scripts/package/core-node.js')
+    .pipe(gulp.dest(RELEASE_DIR));
 };
 
 /**
- * This task wraps dart_compressed.js into a UMD module.
- * @example import 'blockly/dart';
- */
-function packageDart() {
-  return packageGenerator('dart_compressed.js', 'dart.js', 'Dart');
-};
-
-/**
- * This task wraps php_compressed.js into a UMD module.
- * @example import 'blockly/php';
- */
-function packagePHP() {
-  return packageGenerator('php_compressed.js', 'php.js', 'PHP');
-};
-
-/**
- * This task wraps each of the msg/js/* files into a UMD module.
+ * This task wraps each of the files in ${BUILD_DIR/msg/ into a UMD module.
  * @example import * as En from 'blockly/msg/en';
  */
 function packageLocales() {
   // Remove references to goog.provide and goog.require.
-  return gulp.src('msg/js/*.js')
+  return gulp.src(`${LANG_BUILD_DIR}/*.js`)
       .pipe(gulp.replace(/goog\.[^\n]+/g, ''))
-      .pipe(gulp.insert.prepend(`
-      var Blockly = {};Blockly.Msg={};`))
-      .pipe(packageUMD('Blockly.Msg', [{
-          name: 'Blockly',
-          amd: '../core',
-          cjs: '../core',
-        }]))
-      .pipe(gulp.dest(`${packageDistribution}/msg`));
+      .pipe(packageUMD('Blockly.Msg', [], 'umd-msg.template'))
+      .pipe(gulp.dest(`${RELEASE_DIR}/msg`));
 };
 
 /**
@@ -314,84 +100,163 @@ function packageLocales() {
  * @example <script src="https://unpkg.com/blockly/blockly.min.js"></script>
  */
 function packageUMDBundle() {
-  var srcs = [
-    'blockly_compressed.js',
-    'msg/js/en.js',
-    'blocks_compressed.js',
-    'javascript_compressed.js'
+  const srcs = [
+    `${RELEASE_DIR}/blockly_compressed.js`,
+    `${RELEASE_DIR}/msg/en.js`,
+    `${RELEASE_DIR}/blocks_compressed.js`,
+    `${RELEASE_DIR}/javascript_compressed.js`,
   ];
   return gulp.src(srcs)
-    .pipe(gulp.concat('blockly.min.js'))
-    .pipe(gulp.dest(`${packageDistribution}`))
+      .pipe(gulp.concat('blockly.min.js'))
+      .pipe(gulp.dest(`${RELEASE_DIR}`));
 };
 
+
+/**
+ * This task creates shims for the submodule entrypoints, for the
+ * benefit of bundlers and other build tools that do not correctly
+ * support the exports declaration in package.json.  These shims just
+ * require() and reexport the corresponding *_compressed.js bundle.
+ *
+ * This should solve issues encountered by users of bundlers that don't
+ * support exports at all (e.g. browserify) as well as ones that don't
+ * support it in certain circumstances (e.g., when using webpack's
+ * resolve.alias configuration option to alias 'blockly' to
+ * 'node_modules/blockly', as we formerly did in most plugins, which
+ * causes webpack to ignore blockly's package.json entirely).
+ *
+ * Assumptions:
+ * - Such bundlers will _completely_ ignore the exports declaration.
+ * - The bundles are intended to be used in a browser—or at least not
+ *   in node.js—so the core entrypoint never needs to route to
+ *   core-node.js.  This is reasonable since there's little reason to
+ *   bundle code for node.js, and node.js has supported the exports
+ *   clause since at least v12, consideably older than any version of
+ *   node.js we officially support.
+ * - It suffices to provide only a CJS entrypoint (because we can only
+ *   provide CJS or ESM, not both.  (We could in future switch to
+ *   providing only an ESM entrypoint instead, though.)
+ *
+ * @param {Function} done Callback to call when done.
+ */
+function packageLegacyEntrypoints(done) {
+  for (entrypoint of [
+    'core', 'blocks', 'dart', 'javascript', 'lua', 'php', 'python'
+  ]) {
+    const bundle =
+        (entrypoint === 'core' ? 'blockly' : entrypoint) + '_compressed.js';
+    fs.writeFileSync(path.join(RELEASE_DIR, `${entrypoint}.js`),
+        `// Shim for backwards-compatibility with bundlers that do not
+// support the 'exports' clause in package.json, to allow them
+// to load the blockly/${entrypoint} submodule entrypoint.
+module.exports = require('./${bundle}');
+`);
+  }
+  done();
+}
+
 /**
- * This task copies all the media/* files into the distribution directory.
+ * This task copies all the media/* files into the release directory.
  */
 function packageMedia() {
-  return gulp.src('./media/*')
-    .pipe(gulp.dest(`${packageDistribution}/media`));
+  return gulp.src('media/*')
+    .pipe(gulp.dest(`${RELEASE_DIR}/media`));
 };
 
 /**
- * This task copies the package.json file into the distribution directory.
+ * This task copies the package.json file into the release directory,
+ * with modifications:
+ *
+ * - The scripts section is removed.
+ *
+ * Prerequisite: buildLangfiles.
+ *
+ * @param {Function} done Callback to call when done.
  */
-function packageJSON(cb) {
-  const json = Object.assign({}, packageJson);
+function packageJSON(done) {
+  // Copy package.json, so we can safely modify it.
+  const json = JSON.parse(JSON.stringify(getPackageJson()));
+  // Remove unwanted entries.
   delete json['scripts'];
-  if (!fs.existsSync(packageDistribution)) {
-    fs.mkdirSync(packageDistribution);
+  // Set "type": "commonjs", since that's what .js files in the
+  // package root are.  This should be a no-op since that's the
+  // default, but by setting it explicitly we ensure that any chage to
+  // the repository top-level package.json to set "type": "module"
+  // won't break the published package accidentally.
+  json.type = 'commonjs';
+  // Write resulting package.json file to release directory.
+  if (!fs.existsSync(RELEASE_DIR)) {
+    fs.mkdirSync(RELEASE_DIR, {recursive: true});
   }
-  fs.writeFileSync(`${packageDistribution}/package.json`,
+  fs.writeFileSync(`${RELEASE_DIR}/package.json`,
       JSON.stringify(json, null, 2));
-  cb();
+  done();
 };
 
 /**
- * This task copies the scripts/package/README.md file into the distribution directory.
- * This file is what developers will see at https://www.npmjs.com/package/blockly.
+ * This task copies the scripts/package/README.md file into the
+ * release directory.  This file is what developers will see at
+ * https://www.npmjs.com/package/blockly .
  */
 function packageReadme() {
-  return gulp.src('./scripts/package/README.md')
-    .pipe(gulp.dest(`${packageDistribution}`));
+  return gulp.src('scripts/package/README.md')
+    .pipe(gulp.dest(RELEASE_DIR));
 };
 
 /**
- * This task copies the typings/blockly.d.ts TypeScript definition file into the
- * distribution directory.
- * The bundled declaration file is referenced in package.json in the types property.
+ * This task copies the generated .d.ts files in build/declarations and the
+ * hand-written .d.ts files in typings/ into the release directory. The main
+ * entrypoint file (index.d.ts) is referenced in package.json in the types
+ * property.
  */
 function packageDTS() {
-  return gulp.src(['./typings/*.d.ts', './typings/msg/*.d.ts'], {base: './typings'})
-    .pipe(gulp.dest(`${packageDistribution}`));
+  const handwrittenSrcs = [
+    'typings/*.d.ts',
+    'typings/msg/*.d.ts',
+  ];
+  return gulp.src(handwrittenSrcs, {base: 'typings'})
+      .pipe(gulp.src(`${TYPINGS_BUILD_DIR}/**/*.d.ts`, {ignore: [
+	`${TYPINGS_BUILD_DIR}/blocks/**/*`,
+      ]}))
+      .pipe(gulp.replace('AnyDuringMigration', 'any'))
+      .pipe(gulp.dest(RELEASE_DIR));
 };
 
 /**
- * This task prepares the NPM distribution files under the /dist directory.
+ * This task cleans the release directory (by deleting it).
+ */
+function cleanReleaseDir() {
+  // Sanity check.
+  if (RELEASE_DIR === '.' || RELEASE_DIR === '/') {
+    return Promise.reject(`Refusing to rm -rf ${RELEASE_DIR}`);
+  }
+  return rimraf(RELEASE_DIR);
+}
+
+/**
+ * This task prepares the files to be included in the NPM by copying
+ * them into the release directory.
+ *
+ * Prerequisite: build.
  */
-const package = gulp.parallel(
-  packageIndex,
-  packageSources,
-  packageCompressed,
-  packageBrowser,
-  packageNode,
-  packageCore,
-  packageNodeCore,
-  packageBlockly,
-  packageBlocks,
-  packageJavascript,
-  packagePython,
-  packageLua,
-  packageDart,
-  packagePHP,
-  packageLocales,
-  packageMedia,
-  packageUMDBundle,
-  packageJSON,
-  packageReadme,
-  packageDTS
-);
+const package = gulp.series(
+    gulp.parallel(
+        build.cleanBuildDir,
+        cleanReleaseDir),
+    build.build,
+    gulp.parallel(
+        packageIndex,
+        packageCoreNode,
+        packageLegacyEntrypoints,
+        packageMedia,
+        gulp.series(packageLocales, packageUMDBundle),
+        packageJSON,
+        packageReadme,
+        packageDTS)
+    );
 
 module.exports = {
+  // Main sequence targets.  Each should invoke any immediate prerequisite(s).
+  cleanReleaseDir: cleanReleaseDir,
   package: package,
 };
diff --git a/scripts/gulpfiles/release_tasks.js b/scripts/gulpfiles/release_tasks.js
new file mode 100644
index 00000000000..f2545c7b92b
--- /dev/null
+++ b/scripts/gulpfiles/release_tasks.js
@@ -0,0 +1,183 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Gulp scripts for releasing Blockly.
+ */
+
+const execSync = require('child_process').execSync;
+const fs = require('fs');
+const gulp = require('gulp');
+const readlineSync = require('readline-sync');
+
+const gitTasks = require('./git_tasks');
+const packageTasks = require('./package_tasks');
+const {getPackageJson} = require('./helper_tasks');
+const {RELEASE_DIR} = require('./config');
+
+
+// Gets the current major version.
+function getMajorVersion() {
+  const { version } = getPackageJson();
+  const re = new RegExp(/^(\d)./);
+  const match = re.exec(version);
+  if (!match[0]) {
+    return null;
+  }
+  console.log(match[0]);
+  return parseInt(match[0]);
+}
+
+// Updates the version depending on user input.
+function updateVersion(done, updateType) {
+  const majorVersion = getMajorVersion();
+  if (!majorVersion) {
+    done(new Error('Something went wrong when getting the major version number.'));
+  } else if (!updateType) {
+    // User selected to cancel.
+    done(new Error('Cancelling process.'));
+  }
+
+  switch (updateType.toLowerCase()) {
+    case 'major':
+      majorVersion++;
+      execSync(`npm --no-git-tag-version version ${majorVersion}.$(date +'%Y%m%d').0`, {stdio: 'inherit'});
+      done();
+      break;
+    case 'minor':
+      execSync(`npm --no-git-tag-version version ${majorVersion}.$(date +'%Y%m%d').0`, {stdio: 'inherit'});
+      done();
+      break;
+    case 'patch':
+      execSync(`npm --no-git-tag-version version patch`, {stdio: 'inherit'});
+      done();
+      break;
+    default:
+      done(new Error('Unexpected update type was chosen.'))
+  }
+}
+
+// Prompt the user to figure out what kind of version update we should do.
+function updateVersionPrompt(done) {
+  const releaseTypes = ['Major', 'Minor', 'Patch'];
+  const index = readlineSync.keyInSelect(releaseTypes, 'Which version type?');
+  updateVersion(done, releaseTypes[index]);
+}
+
+// Checks with the user that they are on the correct git branch.
+function checkBranch(done) {
+  const gitBranchName = execSync('git rev-parse --abbrev-ref HEAD').toString();
+  if (readlineSync.keyInYN(`You are on '${gitBranchName.trim()}'. Is this the correct branch?`)) {
+    done();
+  } else {
+    done(new Error('Not on correct branch'));
+  }
+}
+
+
+// Sanity check that the RELASE_DIR directory exists, and that certain
+// files are in it.
+function checkReleaseDir(done) {
+  const sanityFiles = ['blockly_compressed.js', 'blocks_compressed.js'];
+  // Check that directory exists.
+  if (fs.existsSync(RELEASE_DIR)) {
+    // Sanity check that certain files exist in RELASE_DIR.
+    sanityFiles.forEach((fileName) => {
+      if (!fs.existsSync(`${RELEASE_DIR}/${fileName}`)) {
+        done(new Error(
+            `Your ${RELEASE_DIR} directory does not contain ${fileName}`));
+        return;
+      }
+    });
+    done();
+  } else {
+    done(new Error(`The ${RELEASE_DIR} directory does not exist.  ` +
+        'Has packageTasks.package been run?'));
+  }
+}
+
+// Check with the user that the version number is correct, then login and publish to npm.
+function loginAndPublish_(done, isBeta) {
+  const { version } = getPackageJson();
+  if (readlineSync.keyInYN(`You are about to publish blockly with the version number:${version}. Do you want to continue?`)) {
+    execSync(`npm login --registry https://wombat-dressing-room.appspot.com`, {stdio: 'inherit'});
+    execSync(`npm publish --registry https://wombat-dressing-room.appspot.com ${isBeta ? '--tag beta' : ''}`, {cwd: RELEASE_DIR, stdio: 'inherit'});
+    done();
+  } else {
+    done(new Error('User quit due to the version number not being correct.'));
+  }
+}
+
+// Login and publish.
+function loginAndPublish(done) {
+  return loginAndPublish_(done, false);
+}
+
+// Login and publish the beta version.
+function loginAndPublishBeta(done) {
+  return loginAndPublish_(done, true);
+}
+
+// Repeatedly prompts the user for a beta version number until a valid one is given.
+// A valid version number must have '-beta.x' and can not have already been used to publish to npm.
+function updateBetaVersion(done) {
+  let isValid = false;
+  let newVersion = null;
+  const blocklyVersions = JSON.parse(execSync('npm view blockly versions --json').toString());
+  const re = new RegExp(/-beta\.(\d)/);
+  const latestBetaVersion = execSync('npm show blockly version --tag beta').toString().trim();
+  while (!isValid) {
+    newVersion = readlineSync.question(`What is the new beta version? (latest beta version: ${latestBetaVersion})`);
+    const existsOnNpm = blocklyVersions.includes(newVersion);
+    const isFormatted = newVersion.search(re) > -1;
+    if (!existsOnNpm && isFormatted) {
+      isValid = true;
+    } else if (existsOnNpm) {
+      console.log("This version already exists. Please enter a new version.");
+    } else if (!isFormatted) {
+      console.log("To publish a beta version you must have -beta.x in the version.");
+    }
+  }
+  // Allow the same version here, since we already check the version does not exist on npm.
+  execSync(`npm --no-git-tag-version --allow-same-version version ${newVersion}`, {stdio: 'inherit'});
+  done();
+}
+
+// Rebuild, package and publish to npm.
+const publish = gulp.series(
+  packageTasks.package,  // Does clean + build.
+  checkBranch,
+  checkReleaseDir,
+  loginAndPublish
+);
+
+// Rebuild, package and publish a beta version of Blockly.
+const publishBeta = gulp.series(
+  updateBetaVersion,
+  packageTasks.package,  // Does clean + build.
+  checkBranch,
+  checkReleaseDir,
+  loginAndPublishBeta
+);
+
+// Switch to a new branch, update the version number, build Blockly
+// and check in the resulting built files.
+const recompileDevelop = gulp.series(
+  gitTasks.syncDevelop(),
+  gitTasks.createRebuildBranch,
+  updateVersionPrompt,
+  packageTasks.package,  // Does clean + build.
+  gitTasks.pushRebuildBranch
+  );
+
+module.exports = {
+  // Main sequence targets.  Each should invoke any immediate prerequisite(s).
+  publishBeta,
+  publish,
+
+  // Legacy target, to be deleted.
+  recompile: recompileDevelop,
+};
diff --git a/scripts/gulpfiles/test_tasks.js b/scripts/gulpfiles/test_tasks.js
new file mode 100644
index 00000000000..236a21d7759
--- /dev/null
+++ b/scripts/gulpfiles/test_tasks.js
@@ -0,0 +1,405 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Gulp tasks to test.
+ */
+/* eslint-env node */
+
+const asyncDone = require('async-done');
+const gulp = require('gulp');
+const gzip = require('gulp-gzip');
+const fs = require('fs');
+const path = require('path');
+const {execSync} = require('child_process');
+const {rimraf} = require('rimraf');
+
+const {RELEASE_DIR, TEST_TSC_OUTPUT_DIR} = require('./config');
+
+const {runMochaTestsInBrowser} = require('../../tests/mocha/webdriver.js');
+const {runGeneratorsInBrowser} = require('../../tests/generators/webdriver.js');
+const {runCompileCheckInBrowser} = require('../../tests/compile/webdriver.js');
+
+const OUTPUT_DIR = 'build/generators';
+const GOLDEN_DIR = 'tests/generators/golden';
+
+const BOLD_GREEN = '\x1b[1;32m';
+const BOLD_RED = '\x1b[1;31m';
+const ANSI_RESET = '\x1b[0m';
+
+let successCount = 0;
+let failCount = 0;
+let firstErr;
+const results = {};
+
+/**
+ * Run an arbitrary Gulp task as a test.
+ * @param {function} task Any Gulp task.
+ * @return {Promise} Asynchronous result.
+ */
+function runTestTask(id, task) {
+  return new Promise((resolve) => {
+    console.log('=======================================');
+    console.log(`== ${id}`);
+
+    // Turn any task into a Promise!
+    const asyncTask = new Promise((resolve, reject) => {
+      asyncDone(task, (error, result) => {
+        if (error) reject(error);
+        resolve(result);
+      });
+    });
+
+    if (process.env.CI) console.log('::group::');
+    asyncTask
+      .then((result) => {
+        successCount++;
+        if (process.env.CI) console.log('::endgroup::');
+        console.log(`${BOLD_GREEN}SUCCESS:${ANSI_RESET} ${id}`);
+        results[id] = {success: true};
+        resolve(result);
+      })
+      .catch((err) => {
+        failCount++;
+        if (!firstErr) {
+          // Save the first error so we can use it in the stack trace later.
+          firstErr = err;
+        }
+        console.error(err.message);
+        if (process.env.CI) console.log('::endgroup::');
+        console.log(`${BOLD_RED}FAILED:${ANSI_RESET} ${id}`);
+        results[id] = {success: false, message: err.message};
+        // Always continue.
+        resolve(err);
+      });
+  });
+}
+
+function createSummary() {
+  let summary = '# Test Summary\n\n';
+  summary += '|Test Name|Passed?|Error message|\n';
+  summary += '|---------|-------|-------------|\n';
+  for (const test in results) {
+    summary += `|${test}|${results[test].success
+      ? ':white_check_mark:' : ':x:'}|${results[test].message ?? ''}|\n`;
+  }
+  summary += `\n\n## Total: ${successCount} passed. ${failCount} failed.`;
+  return summary;
+}
+
+/**
+ * Print test results and fail the task if needed.
+ */
+function reportTestResult() {
+  console.log('=======================================');
+  if (process.env.CI && process.env.GITHUB_STEP_SUMMARY) {
+    try {
+      fs.writeFileSync(process.env.GITHUB_STEP_SUMMARY, createSummary());
+    } catch(e) {
+      // Don't fail CI just because we couldn't write the summary.
+      console.log('Failed to write job summary', e);
+    }
+  }
+  // Check result.
+  if (failCount === 0) {
+    console.log(
+        `${BOLD_GREEN}All ${successCount} tests passed.${ANSI_RESET}`);
+    return Promise.resolve();
+  }
+  console.log(
+      `${BOLD_RED}Failures in ${failCount} test groups.${ANSI_RESET}`);
+  return Promise.reject(firstErr ||
+      'Unspecified test failures, see above. The following stack trace is unlikely to be useful.');
+}
+
+/**
+ * Helper method for running test command.
+ * @param {string} command Command line to run.
+ * @return {Promise} Asynchronous result.
+ */
+async function runTestCommand(id, command) {
+  return runTestTask(id, async() => {
+    return execSync(command, {stdio: 'inherit'});
+  });
+}
+
+/**
+ * Lint the codebase.
+ * Skip for CI environments, because linting is run separately.
+ * @return {Promise} Asynchronous result.
+ */
+function eslint() {
+  if (process.env.CI) {
+    console.log('Skip linting.');
+    return Promise.resolve();
+  }
+  return runTestCommand('eslint', 'eslint .');
+}
+
+/**
+ * Run the full usual build and package process, checking to ensure
+ * there are no Closure Compiler warnings / errors.
+ * @return {Promise} Asynchronous result.
+ */
+function build() {
+  return runTestCommand('build', 'npm run package -- --verbose --debug');
+}
+
+/**
+ * Run renaming validation test.
+ * @return {Promise} Asynchronous result.
+ */
+function renamings() {
+  return runTestCommand('renamings', 'tests/migration/validate-renamings.mjs');
+}
+
+/**
+ * Helper method for gzipping file.
+ * @param {string} file Target file.
+ * @return {Promise} Asynchronous result.
+ */
+function gzipFile(file) {
+  return new Promise((resolve) => {
+    const name = path.posix.join(RELEASE_DIR, file);
+
+    const stream = gulp.src(name)
+        .pipe(gzip())
+        .pipe(gulp.dest(RELEASE_DIR));
+
+    stream.on('end', () => {
+      resolve();
+    });
+  });
+}
+
+/**
+ * Helper method for comparing file size.
+ * @param {string} file Target file.
+ * @param {number} expected Expected size.
+ * @return {number} 0: success / 1: failed.
+ */
+function compareSize(file, expected) {
+  const name = path.posix.join(RELEASE_DIR, file);
+  const compare = Math.floor(expected * 1.1);
+  const stat = fs.statSync(name);
+  const size = stat.size;
+
+  if (!compare) {
+    const message = `Failed: Previous size of ${name} is undefined.`;
+    console.log(`${BOLD_RED}${message}${ANSI_RESET}`);
+    return 1;
+  }
+
+  if (size > compare) {
+    const message = `Failed: ` +
+        `Size of ${name} has grown more than 10%. ${size} vs ${expected}`;
+    console.log(`${BOLD_RED}${message}${ANSI_RESET}`);
+    return 1;
+  }
+
+  const message =
+      `Size of ${name} at ${size} compared to previous ${expected}`;
+  console.log(`${BOLD_GREEN}${message}${ANSI_RESET}`);
+  return 0;
+}
+
+/**
+ * Helper method for zipping the compressed files.
+ * @return {Promise} Asynchronous result.
+ */
+function zippingFiles() {
+  // GZip them for additional size comparisons (keep originals, force
+  // overwite previously-gzipped copies).
+  console.log('Zipping the compressed files');
+  const gzip1 = gzipFile('blockly_compressed.js');
+  const gzip2 = gzipFile('blocks_compressed.js');
+  return Promise.all([gzip1, gzip2]);
+}
+
+/**
+ * Check the sizes of built files for unexpected growth.
+ * @return {Promise} Asynchronous result.
+ */
+async function metadata() {
+  return runTestTask('metadata', async () => {
+    // Zipping the compressed files.
+    await zippingFiles();
+    // Read expected size from script.
+    const contents = fs.readFileSync('tests/scripts/check_metadata.sh')
+        .toString();
+    const pattern = /^readonly (?<key>[A-Z_]+)=(?<value>\d+)$/gm;
+    const matches = contents.matchAll(pattern);
+    const expected = {};
+    for (const match of matches) {
+      expected[match.groups.key] = match.groups.value;
+    }
+
+    // Check the sizes of the files.
+    let failed = 0;
+    failed += compareSize('blockly_compressed.js',
+                          expected.BLOCKLY_SIZE_EXPECTED);
+    failed += compareSize('blocks_compressed.js',
+                          expected.BLOCKS_SIZE_EXPECTED);
+    failed += compareSize('blockly_compressed.js.gz',
+                          expected.BLOCKLY_GZ_SIZE_EXPECTED);
+    failed += compareSize('blocks_compressed.js.gz',
+                          expected.BLOCKS_GZ_SIZE_EXPECTED);
+    if (failed > 0) {
+      throw new Error('Unexpected growth was detected.');
+    }
+  });
+}
+
+/**
+ * Run Mocha tests inside a browser.
+ * @return {Promise} Asynchronous result.
+ */
+async function mocha() {
+  return runTestTask('mocha', async () => {
+    const result = await runMochaTestsInBrowser().catch(e => {
+      throw e;
+    });
+    if (result) {
+      throw new Error('Mocha tests failed');
+    }
+    console.log('Mocha tests passed');
+  });
+}
+
+/**
+ * Helper method for comparison file.
+ * @param {string} file1 First target file.
+ * @param {string} file2 Second target file.
+ * @return {boolean} Comparison result (true: same / false: different).
+ */
+function compareFile(file1, file2) {
+  const buf1 = fs.readFileSync(file1);
+  const buf2 = fs.readFileSync(file2);
+  // Normalize the line feed.
+  const code1 = buf1.toString().replace(/(?:\r\n|\r|\n)/g, '\n');
+  const code2 = buf2.toString().replace(/(?:\r\n|\r|\n)/g, '\n');
+  return code1 === code2;
+}
+
+/**
+ * Helper method for checking the result of generator.
+ * @param {string} suffix Target suffix.
+ * @return {number} Check result (0: success / 1: failed).
+ */
+function checkResult(suffix) {
+  const fileName = `generated.${suffix}`;
+  const resultFileName = path.posix.join(OUTPUT_DIR, fileName);
+
+  const SUCCESS_PREFIX = `${BOLD_GREEN}SUCCESS:${ANSI_RESET}`;
+  const FAILURE_PREFIX = `${BOLD_RED}FAILED:${ANSI_RESET}`;
+
+  if (fs.existsSync(resultFileName)) {
+    const goldenFileName = path.posix.join(GOLDEN_DIR, fileName);
+    if (fs.existsSync(goldenFileName)) {
+      if (compareFile(resultFileName, goldenFileName)) {
+        console.log(`${SUCCESS_PREFIX} ${suffix}: ` +
+            `${resultFileName} matches ${goldenFileName}`);
+        return 0;
+      } else {
+        console.log(
+            `${FAILURE_PREFIX} ${suffix}: ` +
+            `${resultFileName} does not match ${goldenFileName}`);
+      }
+    } else {
+      console.log(`File ${goldenFileName} not found!`);
+    }
+  } else {
+    console.log(`File ${resultFileName} not found!`);
+  }
+  return 1;
+}
+
+/**
+ * Run generator tests inside a browser and check the results.
+ * @return {Promise} Asynchronous result.
+ */
+async function generators() {
+  return runTestTask('generators', async () => {
+    // Clean up.
+    rimraf.sync(OUTPUT_DIR);
+    fs.mkdirSync(OUTPUT_DIR);
+
+    await runGeneratorsInBrowser(OUTPUT_DIR);
+
+    const generatorSuffixes = ['js', 'py', 'dart', 'lua', 'php'];
+    let failed = 0;
+    generatorSuffixes.forEach((suffix) => {
+      failed += checkResult(suffix);
+    });
+
+    if (failed === 0) {
+      console.log(`${BOLD_GREEN}All generator tests passed.${ANSI_RESET}`);
+    } else {
+      console.log(
+          `${BOLD_RED}Failures in ${failed} generator tests.${ANSI_RESET}`);
+      throw new Error('Generator tests failed.');
+    }
+  });
+}
+
+/**
+ * Run Node tests.
+ * @return {Promise} Asynchronous result.
+ */
+function node() {
+  return runTestCommand('node', 'mocha tests/node --config tests/node/.mocharc.js');
+}
+
+/**
+ * Attempt advanced compilation of a Blockly app.
+ * @returns {Promise} Async result.
+ */
+function advancedCompile() {
+  return runTestCommand('advanced_compile', 'npm run test:compile:advanced');
+}
+
+/**
+ * Attempt advanced compilation of a Blockly app and make sure it runs in the browser.
+ * Should be run after the `advancedCompile` test.
+ * @return {Promise} Asynchronous result.
+ */
+function advancedCompileInBrowser() {
+  return runTestTask('advanced_compile_in_browser', runCompileCheckInBrowser);
+}
+
+/**
+ * Verify the built Blockly type definitions compile with the supported
+ * TypeScript examples included in `./tests/typescript`.
+ * @returns {Promise} Asynchronous result.
+ */
+function typeDefinitions() {
+  return runTestCommand('type_definitions',
+    `tsc -p ./tests/typescript/tsconfig.json -outDir ${TEST_TSC_OUTPUT_DIR}`);
+}
+
+// Run all tests in sequence.
+const tasks = [
+  eslint,
+  // Build must run before the remaining tasks
+  build,
+  renamings,
+  metadata,
+  mocha,
+  generators,
+  node,
+  typeDefinitions,
+  // Make sure these two are in series with each other
+  advancedCompile,
+  advancedCompileInBrowser
+];
+
+const test = gulp.series(...tasks, reportTestResult);
+
+
+module.exports = {
+  test,
+  generators,
+};
diff --git a/scripts/gulpfiles/typings.js b/scripts/gulpfiles/typings.js
deleted file mode 100644
index e15d57474bf..00000000000
--- a/scripts/gulpfiles/typings.js
+++ /dev/null
@@ -1,104 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Gulp script to generate the Typescript definition file (d.ts)
- * for Blockly.
- */
-
-var gulp = require('gulp');
-gulp.concat = require('gulp-concat');
-
-var path = require('path');
-var fs = require('fs');
-var rimraf = require('rimraf');
-var execSync = require('child_process').execSync;
-
-// Generates the TypeScript definition file (d.ts) for Blockly.
-// As well as generating the typings of each of the files under core/ and msg/,
-// the script also pulls in a number of part files from typings/parts.
-// This includes the header (incl License), additional useful interfaces
-// including Blockly Options and Google Closure typings.
-function typings() {
-  const tmpDir = './typings/tmp';
-  const blocklySrcs = [
-    "core/",
-    "core/components",
-    "core/keyboard_nav",
-    "core/renderers/common",
-    "core/renderers/measurables",
-    "core/theme",
-    "core/toolbox",
-    "core/interfaces",
-    "core/utils",
-    "msg/"
-  ];
-  // Clean directory if exists.
-  if (fs.existsSync(tmpDir)) {
-    rimraf.sync(tmpDir);
-  }
-  fs.mkdirSync(tmpDir);
-
-  // Find all files that will be included in the typings file.
-  let files = [];
-  blocklySrcs.forEach((src) => {
-    files = files.concat(fs.readdirSync(src)
-      .filter(fn => fn.endsWith('.js'))
-      .map(fn => path.join(src, fn)));
-  });
-
-  // Generate typings file for each file.
-  files.forEach((file) => {
-    const typescriptFileName = `${path.join(tmpDir, file)}.d.ts`;
-    if (file.indexOf('core/msg.js') > -1) {
-      return;
-    }
-    const cmd = `node ./node_modules/typescript-closure-tools/definition-generator/src/main.js ${file} ${typescriptFileName}`;
-    console.log(`Generating typings for ${file}`);
-    execSync(cmd, { stdio: 'inherit' });
-  });
-
-  const srcs = [
-    'typings/templates/blockly-header.template',
-    'typings/templates/blockly-interfaces.template',
-    `${tmpDir}/core/**`,
-    `${tmpDir}/core/interfaces/**`,
-    `${tmpDir}/core/components/**`,
-    `${tmpDir}/core/components/tree/**`,
-    `${tmpDir}/core/keyboard_nav/**`,
-    `${tmpDir}/core/renderers/common/**`,
-    `${tmpDir}/core/renderers/measurables/**`,
-    `${tmpDir}/core/utils/**`,
-    `${tmpDir}/core/theme/**`,
-    `${tmpDir}/msg/**`
-  ];
-  return gulp.src(srcs)
-    .pipe(gulp.concat('blockly.d.ts'))
-    .pipe(gulp.dest('typings'))
-    .on('end', function () {
-      // Clean up tmp directory.
-      if (fs.existsSync(tmpDir)) {
-        rimraf.sync(tmpDir);
-      }
-    });
-};
-
-// Generates the TypeScript definition files (d.ts) for Blockly locales.
-function msgTypings(cb) {
-  const template = fs.readFileSync(path.join('typings/templates/msg.template'), 'utf-8');
-  const msgFiles = fs.readdirSync(path.join('msg', 'json'));
-  msgFiles.forEach(msg => {
-    const localeName = msg.substring(0, msg.indexOf('.json'));
-    const msgTypings = template.slice().replace(/<%= locale %>/gi, localeName);
-    fs.writeFileSync(path.join('typings', 'msg', localeName + '.d.ts'), msgTypings, 'utf-8');
-  })
-  cb();
-}
-
-module.exports = {
-  typings: typings,
-  msgTypings: msgTypings
-};
diff --git a/scripts/helpers.js b/scripts/helpers.js
new file mode 100644
index 00000000000..8150593ddfb
--- /dev/null
+++ b/scripts/helpers.js
@@ -0,0 +1,74 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Helper functions for build/test.
+ */
+/* eslint-env node */
+
+const path = require('path');
+
+/**
+ * Replaces OS-specific path with POSIX style path.
+ * Simplified implementation based on
+ * https://stackoverflow.com/a/63251716/4969945
+ *
+ * @param {string} target target path
+ * @return {string} posix path
+ */
+function posixPath(target) {
+  return target.split(path.sep).join(path.posix.sep);
+}
+
+/**
+ * Convert a string into a string literal.  Strictly speaking we
+ * only need to escape backslash, \r, \n, \u2028 (line separator),
+ * \u2029 (paragraph separator) and whichever quote character we're
+ * using, but for simplicity we escape all the control characters.
+ *
+ * Based on https://github.com/google/CodeCity/blob/master/server/code.js
+ *
+ * @param {string} str The string to convert.
+ * @return {string} The value s as a eval-able string literal.
+ */
+function quote(str) {
+  /* eslint-disable no-control-regex, no-multi-spaces */
+  /** Regexp for characters to be escaped in a single-quoted string. */
+  const singleRE = /[\x00-\x1f\\\u2028\u2029']/g;
+
+  /** Map of control character replacements. */
+  const replacements = {
+    '\x00': '\\0',
+    '\x01': '\\x01',
+    '\x02': '\\x02',
+    '\x03': '\\x03',
+    '\x04': '\\x04',
+    '\x05': '\\x05',
+    '\x06': '\\x06',
+    '\x07': '\\x07',
+    '\x08': '\\b',
+    '\x09': '\\t',
+    '\x0a': '\\n',
+    '\x0b': '\\v',
+    '\x0c': '\\f',
+    '\x0d': '\\r',
+    '\x0e': '\\x0e',
+    '\x0f': '\\x0f',
+    '"': '\\"',
+    "'": "\\'",
+    '\\': '\\\\',
+    '\u2028': '\\u2028',
+    '\u2029': '\\u2029',
+  };
+  /* eslint-enable no-control-regex, no-multi-spaces */
+
+  return "'" + str.replace(singleRE, (c) => replacements[c]) + "'";
+}
+
+module.exports = {
+  posixPath,
+  quote,
+};
diff --git a/scripts/i18n/common.py b/scripts/i18n/common.py
index 7e568a5f6a7..0ac733dcade 100644
--- a/scripts/i18n/common.py
+++ b/scripts/i18n/common.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 
 # Code shared by translation conversion scripts.
 #
diff --git a/scripts/i18n/create_messages.py b/scripts/i18n/create_messages.py
index dba3b35fff1..3d22a2342da 100755
--- a/scripts/i18n/create_messages.py
+++ b/scripts/i18n/create_messages.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 
 # Generate .js files defining Blockly core and language messages.
 #
@@ -37,12 +37,13 @@ def string_is_ascii(s):
 def load_constants(filename):
   """Read in constants file, which must be output in every language."""
   constant_defs = read_json_file(filename)
+  if '#' in constant_defs:  # Delete any comment.
+    del constant_defs['#']
   constants_text = '\n'
   for key in constant_defs:
     value = constant_defs[key]
     value = value.replace('"', '\\"')
-    constants_text += u'\nBlockly.Msg["{0}"] = \"{1}\";'.format(
-        key, value)
+    constants_text += u'\nBlockly.Msg["{0}"] = \"{1}\";'.format(key, value)
   return constants_text
 
 def main():
@@ -86,6 +87,8 @@ def main():
   # Read in synonyms file, which must be output in every language.
   synonym_defs = read_json_file(os.path.join(
       os.curdir, args.source_synonym_file))
+  if '#' in synonym_defs:  # Delete any comment.
+    del synonym_defs['#']
 
   # synonym_defs is also being sorted to ensure the same order is kept
   synonym_text = '\n'.join([u'Blockly.Msg["{0}"] = Blockly.Msg["{1}"];'
@@ -123,6 +126,8 @@ def main():
 
 'use strict';
 
+var Blockly = Blockly || {{ Msg: Object.create(null) }};
+
 """.format(target_lang.replace('-', '.')))
         # For each key in the source language file, output the target value
         # if present; otherwise, output the source language value with a
@@ -155,7 +160,7 @@ def main():
         outfile.write(constants_text)
 
       if not args.quiet:
-        print('Created {0}.'.format(outname))
+        print('Created {0}'.format(outname))
 
 
 if __name__ == '__main__':
diff --git a/scripts/i18n/dedup_json.py b/scripts/i18n/dedup_json.py
index 1329e47580c..ccdddf54ab0 100755
--- a/scripts/i18n/dedup_json.py
+++ b/scripts/i18n/dedup_json.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 
 # Consolidates duplicate key-value pairs in a JSON file.
 # If the same key is used with different values, no warning is given,
diff --git a/scripts/i18n/js_to_json.py b/scripts/i18n/js_to_json.py
index cd3d4dc2b88..18daf1853f7 100755
--- a/scripts/i18n/js_to_json.py
+++ b/scripts/i18n/js_to_json.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 
 # Gives the translation status of the specified apps and languages.
 #
@@ -35,8 +35,6 @@
     "Blockly.SOME_KEY", "Here is a description of the following message.",
 
 Commas would of course be omitted for the final entry of each value.
-
-@author Ellen Spertus (ellen.spertus@gmail.com)
 """
 
 import argparse
@@ -83,7 +81,7 @@ def main():
   for line in infile:
     if line.startswith('///'):
       if description:
-        description = description + ' ' + line[3:].strip()
+        description += ' ' + line[3:].strip()
       else:
         description = line[3:].strip()
     else:
@@ -117,19 +115,21 @@ def main():
 
   # Create synonyms.json.
   synonym_file_name = os.path.join(os.curdir, args.output_dir, 'synonyms.json')
+  synonyms['#'] = 'Automatically generated, do not edit this file!'
   with open(synonym_file_name, 'w') as outfile:
-    json.dump(synonyms, outfile)
+    json.dump(synonyms, outfile, indent=2, sort_keys=True)
   if not args.quiet:
     print("Wrote {0} synonym pairs to {1}.".format(
-        len(synonyms), synonym_file_name))
+        len(synonyms) - 1, synonym_file_name))
 
   # Create constants.json
   constants_file_name = os.path.join(os.curdir, args.output_dir, 'constants.json')
+  constants['#'] = 'Automatically generated, do not edit this file!'
   with open(constants_file_name, 'w') as outfile:
-    json.dump(constants, outfile)
+    json.dump(constants, outfile, indent=2, sort_keys=True)
   if not args.quiet:
     print("Wrote {0} constant pairs to {1}.".format(
-        len(constants), synonym_file_name))
+        len(constants) - 1, synonym_file_name))
 
 if __name__ == '__main__':
   main()
diff --git a/scripts/i18n/tests.py b/scripts/i18n/tests.py
index 2fd3bc76a84..684d731058e 100644
--- a/scripts/i18n/tests.py
+++ b/scripts/i18n/tests.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 # -*- coding: utf-8 -*-
 
 # Tests of i18n scripts.
diff --git a/scripts/migration/js2ts b/scripts/migration/js2ts
new file mode 100755
index 00000000000..068871df52b
--- /dev/null
+++ b/scripts/migration/js2ts
@@ -0,0 +1,168 @@
+#!/usr/bin/env node
+
+const fs = require('fs');
+const path = require('path');
+
+const filenames = process.argv.slice(2); // Trim off node and script name.
+
+//////////////////////////////////////////////////////////////////////
+// Load deps files via require (since they're executalbe .js files).
+//////////////////////////////////////////////////////////////////////
+
+/**
+ * Dictionary mapping goog.module ID to absolute pathname of the file
+ * containing the goog.declareModuleId for that ID.
+ * @type {!Object<string, string>}
+ */
+const modulePaths = {};
+
+/** Absolute path of repository root. */
+const repoPath = path.resolve(__dirname, '..', '..');
+
+/**
+ * Absolute path of directory containing base.js (the version used as
+ * input to tsc, not the one output by it).
+ * @type {string}
+ */
+const closurePath = path.resolve(repoPath, 'closure', 'goog');
+
+globalThis.goog = {};
+
+/**
+ * Stub version of addDependency that store mappings in modulePaths.
+ * @param {string} relPath The path to the js file.
+ * @param {!Array<string>} provides An array of strings with
+ *     the names of the objects this file provides.
+ * @param {!Array<string>} _requires An array of strings with
+ *     the names of the objects this file requires (unused).
+ * @param {boolean|!Object<string>=} opt_loadFlags Parameters indicating
+ *     how the file must be loaded.  The boolean 'true' is equivalent
+ *     to {'module': 'goog'} for backwards-compatibility.  Valid properties
+ *     and values include {'module': 'goog'} and {'lang': 'es6'}.
+ */
+goog.addDependency = function (relPath, provides, _requires, opt_loadFlags) {
+  // Ignore any non-ESM files, as they can't be imported.
+  if (opt_loadFlags?.module !== 'es6') return;
+
+  // There should be only one "provide" from an ESM, but...
+  for (const moduleId of provides) {
+    // Store absolute path to source file (i.e., treating relPath
+    // relative to closure/goog/, not build/src/closure/goog/).
+    modulePaths[moduleId] = path.resolve(closurePath, relPath);
+  }
+};
+
+// Load deps files relative to this script's location.
+require(path.resolve(__dirname, '../../build/deps.js'));
+
+//////////////////////////////////////////////////////////////////////
+// Process files mentioned on the command line.
+//////////////////////////////////////////////////////////////////////
+
+/** RegExp matching goog.require statements. */
+const requireRE =
+  /(?:const\s+(?:([$\w]+)|(\{[^}]*\}))\s+=\s+)?goog.require(Type)?\('([^']+)'\);/gm;
+
+/** RegExp matching key: value pairs in destructuring assignments. */
+const keyValueRE = /([$\w]+)\s*:\s*([$\w]+)\s*(?=,|})/g;
+
+for (const filename of filenames) {
+  let contents = null;
+  try {
+    contents = String(fs.readFileSync(filename));
+  } catch (e) {
+    console.error(`error while reading ${filename}: ${e.message}`);
+    continue;
+  }
+  console.log(`Converting ${filename} to TypeScript...`);
+
+  // Remove "use strict".
+  contents = contents.replace(/^\s*["']use strict["']\s*; *\n/m, '');
+
+  // Migrate from goog.module to goog.declareModuleId.
+  const closurePathRelative = path.relative(
+    path.dirname(path.resolve(filename)),
+    closurePath,
+  );
+  contents = contents.replace(
+    /^goog.module\('([$\w.]+)'\);$/m,
+    `import * as goog from '${closurePathRelative}/goog.js';\n` +
+      `goog.declareModuleId('$1');`,
+  );
+
+  // Migrate from goog.require to import.
+  contents = contents.replace(
+    requireRE,
+    function (
+      orig, // Whole statement to be replaced.
+      name, // Name of named import of whole module (if applicable).
+      names, // {}-enclosed list of destructured imports.
+      type, // If truthy, it is a requireType not require.
+      moduleId, // goog.module ID that was goog.require()d.
+    ) {
+      const importPath = modulePaths[moduleId];
+      type = type ? ' type' : '';
+      if (!importPath) {
+        console.warn(
+          `Unable to migrate goog.require('${moduleId}') as no ES module path known.`,
+        );
+        return orig;
+      }
+      let relativePath = path.relative(
+        path.dirname(path.resolve(filename)),
+        importPath,
+      );
+      if (relativePath[0] !== '.') relativePath = './' + relativePath;
+      if (name) {
+        return `import${type} * as ${name} from '${relativePath}';`;
+      } else if (names) {
+        names = names.replace(keyValueRE, '$1 as $2');
+        return `import${type} ${names} from '${relativePath}';`;
+      } else {
+        // Side-effect only require.
+        return `import${type} '${relativePath}';`;
+      }
+    },
+  );
+
+  // Find and update or remove old-style export assignemnts.
+  /** @type {!Array<{name: string, re: RegExp>}>} */
+  const easyExports = [];
+  contents = contents.replace(
+    /^\s*exports\.([$\w]+)\s*=\s*([$\w]+)\s*;\n/gm,
+    function (
+      orig, // Whole statement to be replaced.
+      exportName, // Name to export item as.
+      declName, // Already-declared name for item being exported.
+    ) {
+      // Renamed exports have to be transalted as-is.
+      if (exportName !== declName) {
+        return `export {${declName} as ${exportName}};\n`;
+      }
+      // OK, we're doing "export.foo = foo;".  Can we update the
+      // declaration?  We can't actualy modify it yet as we're in
+      // the middle of a search-and-replace on contents already, but
+      // we can delete the old export and later update the
+      // declaration into an export.
+      const declRE = new RegExp(
+        `^(\\s*)((?:const|let|var|function|class)\\s+${declName})\\b`,
+        'gm',
+      );
+      if (contents.match(declRE)) {
+        easyExports.push({exportName, declRE});
+        return ''; // Delete existing export assignment.
+      } else {
+        return `export ${exportName};\n`; // Safe fallback.
+      }
+    },
+  );
+  // Add 'export' to existing declarations where appropriate.
+  for (const {exportName, declRE} of easyExports) {
+    contents = contents.replace(declRE, '$1export $2');
+  }
+
+  // Write converted file with new extension.
+  const newFilename = filename.replace(/.js$/, '.ts');
+  fs.writeFileSync(newFilename, contents);
+  console.log(`Wrote ${newFilename}.`);
+}
diff --git a/scripts/migration/renamings.json5 b/scripts/migration/renamings.json5
new file mode 100644
index 00000000000..9c51b2d4a3f
--- /dev/null
+++ b/scripts/migration/renamings.json5
@@ -0,0 +1,1599 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Collected information about modules and module
+ * exports that have been renamed between versions.
+ *
+ * This file is in JSON5 format; see https://json5.org/.
+ */
+
+{
+  // Example entry:
+  '0.0.0': [
+    // Version that includes the rename.
+    // Each entry in the array is a module.
+    // All of the properties are optional.
+    {
+      // The name that the module had before this version.
+      oldName: 'old.module.name',
+
+      // The name that the module now has in this version.
+      newName: 'new.module.name',
+
+      // If a module had a default export and now has a named export,
+      // the name of the named export can be given here.
+      newExport: 'newNameForDefaultExport',
+
+      // The old location of this module on the Blockly tree (the
+      // mega-object that people access if they are importing all of
+      // Blockly). Usually this is the same as the oldName and can be
+      // omitted.
+      oldPath: 'old.path.on.Blockly.tree',
+
+      // The new location of this module on the Blockly tree. To be
+      // backwards compatible with people accessing the Blockly tree,
+      // this should be the same as the oldPath.  If omitted, newPath
+      // is assumed to be the same newName.
+      newPath: 'new.path.on.Blockly.tree',
+
+      // Each entry in this map is the old name of a named export.
+      exports: {
+        // The name that the export had before this version.
+        // All of the properties on this object are optional.
+        'oldExportName': {
+          // The new module that the export is in this version.  If
+          // this is not provided, the newModule is assumed to be the
+          // parent module's newPath.
+          newModule: 'new.module.name',
+
+          // The name that the export now has in this version.
+          newExport: 'newExportName',
+
+          // The old location of this module on the Blockly tree.
+          // If omitted, oldPath defaults to
+          // <enclosing module's.oldPath>.<old export name>.
+          oldPath: 'old.path.on.Blockly.tree',
+
+          // The new location of this module on the Blockly tree. To
+          // be backwards compatible with people accessing the
+          // Blockkly tree, this should be the same as the oldPath.
+          // Defaults to `${newModule}.${newExport}`.
+          newPath: 'new.path.on.Blockly.tree',
+
+          // If a named export has been changed to a private variable
+          // with a get method, this is the name of the get method.
+          getMethod: 'getMethodName',
+
+          // If a named export has been changed to a private variable
+          // with a set method, this is the name of the set method.
+          setMethod: 'setMethodName',
+        },
+
+        // This file can also document the renaming of a property or
+        // sub-property of an (object-valued) named export.
+        'exportExport.oldProperty': {
+          newExport: 'newExport.newProperty',
+          // Additional options as above.
+        },
+
+        // Or promotion of property to named export, etc.
+        'exportExport.oldProperty': {
+          newExport: 'newTopLevelExport',
+        },
+      },
+    },
+  ],
+
+  '5.20210325.0': [
+    {
+      oldName: 'Blockly',
+      exports: {
+        // bind/unbind events functions.  See PR #4642
+        EventData: {newModule: 'Blockly.browserEvents', newExport: 'Data'},
+        bindEvent_: {newModule: 'Blockly.browserEvents', newExport: 'bind'},
+        unbindEvent_: {newModule: 'Blockly.browserEvents', newExport: 'unbind'},
+        bindEventWithChecks_: {
+          newModule: 'Blockly.browserEvents',
+          newExport: 'conditionalBind',
+        },
+      },
+    },
+  ],
+
+  '7.20211209.0-beta.0': [
+    {
+      oldName: 'Blockly',
+      exports: {
+        // Clipboard.  See PR #5237.
+        clipboardXml_: {newModule: 'Blockly.clipboard', newExport: 'xml'},
+        clipboardSource_: {newModule: 'Blockly.clipboard', newExport: 'source'},
+        clipboardTypeCounts_: {
+          newModule: 'Blockly.clipboard',
+          newExport: 'typeCounts',
+        },
+        copy: {newModule: 'Blockly.clipboard'},
+        paste: {newModule: 'Blockly.clipboard'},
+        duplicate: {newModule: 'Blockly.clipboard'},
+
+        // mainWorkspace.  See PR #5244.
+        mainWorkspace: {
+          newModule: 'Blockly.common',
+          getMethod: 'getMainWorkspace',
+          setMethod: 'setMainWorkspace',
+        },
+        getMainWorkspace: {newModule: 'Blockly.common'},
+
+        // parentContainer, draggingConnections.  See PR #5262.
+        parentContainer: {
+          newModule: 'Blockly.common',
+          getMethod: 'getParentContainer',
+          setMethod: 'setParentContainer',
+        },
+        setParentContainer: {newModule: 'Blockly.common'},
+        draggingConnections: {newModule: 'Blockly.common'},
+
+        // Dialogs.  See PR #5457.
+        alert: {
+          newModule: 'Blockly.dialog',
+          newExport: 'alert',
+          setMethod: 'setAlert',
+        },
+        confirm: {
+          newModule: 'Blockly.dialog',
+          newExport: 'confirm',
+          setMethod: 'setConfirm',
+        },
+        prompt: {
+          newModule: 'Blockly.dialog',
+          newExport: 'prompt',
+          setMethod: 'setPrompt',
+        },
+        // hueToHex.  See PR #5462.
+        hueToHex: {newModule: 'Blockly.utils.colour'},
+        // Blockly.hideChaff() became
+        // Blockly.common.getMainWorkspace().hideChaff().  See PR #5460.
+
+        // selected.  See PR #5489.
+        selected: {
+          newModule: 'Blockly.common',
+          getMethod: 'getSelected',
+          setMethod: 'setSelected',
+        },
+      },
+    },
+    {
+      oldName: 'Blockly.Blocks',
+      newName: 'Blockly.blocks',
+      newExport: 'Blocks', // Previous default export now named.
+      newPath: 'Blockly.Blocks', // But still on tree with original name.
+    },
+    {
+      oldName: 'Blockly.ContextMenu',
+      exports: {
+        currentBlock: {
+          getMethod: 'getCurrentBlock',
+          setMethod: 'setCurrentBlock',
+        },
+      },
+    },
+    {
+      oldName: 'Blockly.Events',
+      exports: {
+        recordUndo: {getMethod: 'getRecordUndo', setMethod: 'setRecordUndo'},
+      },
+    },
+    {
+      oldName: 'Blockly.Tooltip',
+      exports: {
+        DIV: {getMethod: 'getDiv', setMethod: 'setDiv'},
+        visible: {getMethod: 'isVisible'},
+      },
+    },
+    {
+      oldName: 'Blockly.WidgetDiv',
+      exports: {
+        DIV: {getMethod: 'getDiv'},
+      },
+    },
+    {
+      oldName: 'Blockly.connectionTypes',
+      newName: 'Blockly.ConnectionType',
+      newExport: 'ConnectionType', // Previous default export now named.
+      newPath: 'Blockly.ConnectionType', // Type reexported directly.
+    },
+    {
+      oldName: 'Blockly.utils',
+      exports: {
+        genUid: {newModule: 'Blockly.utils.idGenerator'},
+        getScrollDelta: {newModule: 'Blockly.utils.browserEvents'},
+        isTargetInput: {newModule: 'Blockly.utils.browserEvents'},
+        isRightButton: {newModule: 'Blockly.utils.browserEvents'},
+        mouseToSvg: {newModule: 'Blockly.utils.browserEvents'},
+      },
+    },
+    {
+      oldName: 'Blockly.utils.global',
+      newExport: 'globalThis',
+      newPath: 'Blockly.utils.global',
+    },
+    {
+      oldName: 'Blockly.utils.IdGenerator',
+      newName: 'Blockly.utils.idGenerator',
+    },
+    {
+      oldName: 'Blockly.utils.xml',
+      exports: {
+        // document was a function before, too - not a static property
+        // or get accessor.
+        document: {newExport: 'getDocument'},
+      },
+    },
+  ],
+
+  '7.20211209.0': [
+    {
+      oldName: 'Blockly',
+      exports: {
+        // Align.
+        ALIGN_LEFT: {
+          newModule: 'Blockly.Input',
+          newExport: 'Align.LEFT',
+          newPath: 'Blockly.ALIGN_LEFT',
+        },
+        ALIGN_CENTRE: {
+          newModule: 'Blockly.Input',
+          newExport: 'Align.CENTRE',
+          newPath: 'Blockly.ALIGN_CENTRE',
+        },
+        ALIGN_RIGHT: {
+          newModule: 'Blockly.Input',
+          newExport: 'Align.RIGHT',
+          newPath: 'Blockly.ALIGN_RIGHT',
+        },
+
+        svgSize: {newModule: 'Blockly.utils.svgMath'},
+        resizeSvgContents: {newModule: 'Blockly.WorkspaecSvg'},
+        defineBlocksWithJsonArray: {newModule: 'Blockly.common'},
+        isNumber: {newModule: 'Blockly.utils.string'},
+      },
+    },
+
+    {
+      oldName: 'Blockly.Blocks.colour',
+      newName: 'Blockly.blocks.colour',
+    },
+    // Blockly.Blocks.lists not previously provided.
+    {
+      oldName: 'Blockly.Blocks.logic',
+      newName: 'Blockly.blocks.logic',
+    },
+    {
+      oldName: 'Blockly.Blocks.loops',
+      newName: 'Blockly.blocks.loops',
+    },
+    {
+      oldName: 'Blockly.Blocks.math',
+      newName: 'Blockly.blocks.math',
+    },
+    {
+      oldName: 'Blockly.Blocks.procedures',
+      newName: 'Blockly.blocks.procedures',
+    },
+    {
+      oldName: 'Blockly.Blocks.texts',
+      newName: 'Blockly.blocks.texts',
+    },
+    {
+      oldName: 'Blockly.Blocks.variables',
+      newName: 'Blockly.blocks.variables',
+    },
+    // Blockly.Blocks.variablesDynamic not previously provided.
+
+    {
+      oldName: 'Blockly.utils',
+      exports: {
+        screenToWsCoordinates: {newModule: 'Blockly.utils.svgMath'},
+        getDocumentScroll: {newModule: 'Blockly.utils.svgMath'},
+        getViewportBBox: {newModule: 'Blockly.utils.svgMath'},
+        is3dSupported: {newModule: 'Blockly.utils.svgMath'},
+        getRelativeXY: {newModule: 'Blockly.utils.svgMath'},
+        getInjectionDivXY_: {
+          newModule: 'Blockly.utils.svgMath',
+          newExport: 'getInjectionDivXY',
+        },
+        parseBlockColour: {newModule: 'Blockly.utils.parsing'},
+        checkMessageReferences: {newModule: 'Blockly.utils.parsing'},
+        replaceMessageReferences: {newModule: 'Blockly.utils.parsing'},
+        tokenizeInterpolation: {newModule: 'Blockly.utils.parsing'},
+        arrayRemove: {
+          newModule: 'Blockly.utils.array',
+          newExport: 'removeElem',
+        },
+        getBlockTypeCounts: {
+          newModule: 'Blockly.common',
+          newExport: 'getBlockTypeCounts',
+        },
+        runAfterPageLoad: {
+          newModule: 'Blockly.Extensions',
+          newExport: 'runAfterPageLoad',
+        },
+      },
+    },
+
+    // Default exports to named exports.
+    {
+      oldName: 'Blockly.Events.Abstract',
+      newExport: 'Abstract',
+      newPath: 'Blockly.Events.Abstract',
+    },
+    {
+      oldName: 'Blockly.Events.BlockBase',
+      newExport: 'BlockBase',
+      newPath: 'Blockly.Events.BlockBase',
+    },
+    {
+      oldName: 'Blockly.Events.BlockChange',
+      newExport: 'BlockChange',
+      newPath: 'Blockly.Events.BlockChange',
+    },
+    {
+      oldName: 'Blockly.Events.BlockCreate',
+      newExport: 'BlockCreate',
+      newPath: 'Blockly.Events.BlockCreate',
+    },
+    {
+      oldName: 'Blockly.Events.BlockDelete',
+      newExport: 'BlockDelete',
+      newPath: 'Blockly.Events.BlockDelete',
+    },
+    {
+      oldName: 'Blockly.Events.BlockDrag',
+      newExport: 'BlockDrag',
+      newPath: 'Blockly.Events.BlockDrag',
+    },
+    {
+      oldName: 'Blockly.Events.BlockMove',
+      newExport: 'BlockMove',
+      newPath: 'Blockly.Events.BlockMove',
+    },
+    {
+      oldName: 'Blockly.Events.BubbleOpen',
+      newExport: 'BubbleOpen',
+      newPath: 'Blockly.Events.BubbleOpen',
+    },
+    {
+      oldName: 'Blockly.Events.Click',
+      newExport: 'Click',
+      newPath: 'Blockly.Events.Click',
+    },
+    {
+      oldName: 'Blockly.Events.CommentBase',
+      newExport: 'CommentBase',
+      newPath: 'Blockly.Events.CommentBase',
+    },
+    {
+      oldName: 'Blockly.Events.CommentChange',
+      newExport: 'CommentChange',
+      newPath: 'Blockly.Events.CommentChange',
+    },
+    {
+      oldName: 'Blockly.Events.CommentCreate',
+      newExport: 'CommentCreate',
+      newPath: 'Blockly.Events.CommentCreate',
+    },
+    {
+      oldName: 'Blockly.Events.CommentDelete',
+      newExport: 'CommentDelete',
+      newPath: 'Blockly.Events.CommentDelete',
+    },
+    {
+      oldName: 'Blockly.Events.CommentMove',
+      newExport: 'CommentMove',
+      newPath: 'Blockly.Events.CommentMove',
+    },
+    {
+      oldName: 'Blockly.Events.MarkerMove',
+      newExport: 'MarkerMove',
+      newPath: 'Blockly.Events.MarkerMove',
+    },
+    {
+      oldName: 'Blockly.Events.Selected',
+      newExport: 'Selected',
+      newPath: 'Blockly.Events.Selected',
+    },
+    {
+      oldName: 'Blockly.Events.ThemeChange',
+      newExport: 'ThemeChange',
+      newPath: 'Blockly.Events.ThemeChange',
+    },
+    {
+      oldName: 'Blockly.Events.ToolboxItemSelect',
+      newExport: 'ToolboxItemSelect',
+      newPath: 'Blockly.Events.ToolboxItemSelect',
+    },
+    {
+      oldName: 'Blockly.Events.TrashcanOpen',
+      newExport: 'TrashcanOpen',
+      newPath: 'Blockly.Events.TrashcanOpen',
+    },
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+    },
+    {
+      oldName: 'Blockly.ShortcutRegistry',
+      newExport: 'ShortcutRegistry',
+      newPath: 'Blockly.ShortcutRegistry',
+    },
+    {
+      oldName: 'Blockly.Theme',
+      newExport: 'Theme',
+      newPath: 'Blockly.Theme',
+    },
+    {
+      oldName: 'Blockly.ThemeManager',
+      newExport: 'ThemeManager',
+      newPath: 'Blockly.ThemeManager',
+    },
+    {
+      oldName: 'Blockly.TouchGesture',
+      newExport: 'TouchGesture',
+      newPath: 'Blockly.TouchGesture',
+    },
+    {
+      oldName: 'Blockly.Trashcan',
+      newExport: 'Trashcan',
+      newPath: 'Blockly.Trashcan',
+    },
+    {
+      oldName: 'Blockly.VariableMap',
+      newExport: 'VariableMap',
+      newPath: 'Blockly.VariableMap',
+    },
+    {
+      oldName: 'Blockly.VariableModel',
+      newExport: 'VariableModel',
+      newPath: 'Blockly.VariableModel',
+    },
+    {
+      oldName: 'Blockly.Warning',
+      newExport: 'Warning',
+      newPath: 'Blockly.Warning',
+    },
+    {
+      oldName: 'Blockly.Workspace',
+      newExport: 'Workspace',
+      newPath: 'Blockly.Workspace',
+    },
+    {
+      oldName: 'Blockly.WorkspaceAudio',
+      newExport: 'WorkspaceAudio',
+      newPath: 'Blockly.WorkspaceAudio',
+    },
+    {
+      oldName: 'Blockly.WorkspaceComment',
+      newExport: 'WorkspaceComment',
+      newPath: 'Blockly.WorkspaceComment',
+    },
+    {
+      oldName: 'Blockly.WorkspaceCommentSvg',
+      newExport: 'WorkspaceCommentSvg',
+      newPath: 'Blockly.WorkspaceCommentSvg',
+    },
+    {
+      oldName: 'Blockly.WorkspaceDragSurfaceSvg',
+      newExport: 'WorkspaceDragSurfaceSvg',
+      newPath: 'Blockly.WorkspaceDragSurfaceSvg',
+    },
+    {
+      oldName: 'Blockly.WorkspaceDragger',
+      newExport: 'WorkspaceDragger',
+      newPath: 'Blockly.WorkspaceDragger',
+    },
+    {
+      oldName: 'Blockly.WorkspaceSvg',
+      newExport: 'WorkspaceSvg',
+      newPath: 'Blockly.WorkspaceSvg',
+    },
+    {
+      oldName: 'Blockly.ZoomControls',
+      newExport: 'ZoomControls',
+      newPath: 'Blockly.ZoomControls',
+    },
+  ],
+
+  '8.0.0': [
+    {
+      oldName: 'Blockly',
+      exports: {
+        DRAG_RADIUS: {
+          newModule: 'Blockly.config',
+          newExport: 'config.dragRadius',
+        },
+        FLYOUT_DRAG_RADIUS: {
+          newModule: 'Blockly.config',
+          newExport: 'config.flyoutDragRadius',
+        },
+        SNAP_RADIUS: {
+          newModule: 'Blockly.config',
+          newExport: 'config.snapRadius',
+        },
+        CONNECTING_SNAP_RADIUS: {
+          newModule: 'Blockly.config',
+          newExport: 'config.connectingSnapRadius',
+        },
+        CURRENT_CONNECTION_PREFERENCE: {
+          newModule: 'Blockly.config',
+          newExport: 'config.currentConnectionPreference',
+        },
+        BUMP_DELAY: {
+          newModule: 'Blockly.config',
+          newExport: 'config.bumpDelay',
+        },
+        SPRITE: {
+          newModule: 'Blockly.constants',
+        },
+      },
+    },
+    {
+      oldName: 'Blockly.blocks.all',
+      newName: 'Blockly.libraryBlocks',
+    },
+    {
+      oldName: 'Blockly.blocks.colour',
+      newName: 'Blockly.libraryBlocks.colour',
+    },
+    {
+      oldName: 'Blockly.blocks.lists',
+      newName: 'Blockly.libraryBlocks.lists',
+    },
+    {
+      oldName: 'Blockly.blocks.logic',
+      newName: 'Blockly.libraryBlocks.logic',
+    },
+    {
+      oldName: 'Blockly.blocks.loops',
+      newName: 'Blockly.libraryBlocks.loops',
+    },
+    {
+      oldName: 'Blockly.blocks.math',
+      newName: 'Blockly.libraryBlocks.math',
+    },
+    {
+      oldName: 'Blockly.blocks.procedures',
+      newName: 'Blockly.libraryBlocks.procedures',
+    },
+    {
+      oldName: 'Blockly.blocks.text',
+      newName: 'Blockly.libraryBlocks.text',
+    },
+    {
+      oldName: 'Blockly.blocks.variables',
+      newName: 'Blockly.libraryBlocks.variables',
+    },
+    {
+      oldName: 'Blockly.blocks.variablesDynamic',
+      newName: 'Blockly.libraryBlocks.variablesDynamic',
+    },
+    {
+      oldName: 'Blockly.DropDownDiv',
+      newName: 'Blockly.dropDownDiv',
+      newPath: 'Blockly.DropDownDiv',
+    },
+  ],
+
+  '9.0.0': [
+    {
+      oldName: 'Blockly.utils.global',
+      exports: {
+        globalThis: {
+          oldPath: 'Blockly.utils.global',
+          newPath: 'globalThis',
+        },
+      },
+    },
+    {
+      oldName: 'Blockly.Dart',
+      newExport: 'dartGenerator',
+      newPath: 'Blockly.Dart',
+    },
+    {
+      oldName: 'Blockly.JavaScript',
+      newExport: 'javascriptGenerator',
+      newPath: 'Blockly.JavaScript',
+    },
+    {
+      oldName: 'Blockly.Lua',
+      newExport: 'luaGenerator',
+      newPath: 'Blockly.Lua',
+    },
+    {
+      oldName: 'Blockly.PHP',
+      newExport: 'phpGenerator',
+      newPath: 'Blockly.PHP',
+    },
+    {
+      oldName: 'Blockly.Python',
+      newExport: 'pythonGenerator',
+      newPath: 'Blockly.Python',
+    },
+    {
+      oldName: 'Blockly.ContextMenuRegistry',
+      exports: {
+        'ContextMenuRegistry.ScopeType': {
+          oldPath: 'Blockly.ContextMenuRegistry.ScopeType',
+          newExport: 'ScopeType',
+          newPath: 'Blockly.ContextMenuRegistry.ScopeType',
+        },
+        'ContextMenuRegistry.Scope': {
+          oldPath: 'Blockly.ContextMenuRegistry.Scope',
+          newExport: 'Scope',
+          newPath: 'Blockly.ContextMenuRegistry.Scope',
+        },
+        'ContextMenuRegistry.RegistryItem': {
+          oldPath: 'Blockly.ContextMenuRegistry.RegistryItem',
+          newExport: 'RegistryItem',
+          newPath: 'Blockly.ContextMenuRegistry.RegistryItem',
+        },
+        'ContextMenuRegistry.ContextMenuOption': {
+          oldPath: 'Blockly.ContextMenuRegistry.ContextMenuOption',
+          newExport: 'ContextMenuOption',
+          newPath: 'Blockly.ContextMenuRegistry.ContextMenuOption',
+        },
+        'ContextMenuRegistry.LegacyContextMenuOption': {
+          oldPath: 'Blockly.ContextMenuRegistry.LegacyContextMenuOption',
+          newExport: 'LegacyContextMenuOption',
+          newPath: 'Blockly.ContextMenuRegistry.LegacyContextMenuOption',
+        },
+      },
+    },
+    {
+      oldName: 'Blockly.Input',
+      exports: {
+        'Input.Align': {
+          oldPath: 'Blockly.Input.Align',
+          newExport: 'Align',
+          newPath: 'Blockly.Input.Align',
+        },
+      },
+    },
+    {
+      oldName: 'Blockly.Names',
+      exports: {
+        'Names.NameType': {
+          oldPath: 'Blockly.Names.NameType',
+          newExport: 'NameType',
+          newPath: 'Blockly.Names.NameType',
+        },
+      },
+    },
+  ],
+
+  '9.2.0': [
+    {
+      oldName: 'Blockly.TouchGesture',
+      newName: 'Blockly.Gesture',
+    },
+  ],
+
+  '9.3.0': [
+    {
+      oldName: 'Blockly.Xml',
+      exports: {
+        textToDom: {
+          newModule: 'Blockly.utils.xml',
+        },
+      },
+    },
+  ],
+
+  '10.0.0': [
+    {
+      oldName: 'Blockly.Warning',
+      exports: {
+        Warning: {
+          newExport: 'WarningIcon',
+          oldPath: 'Blockly.Warning',
+          newPath: 'Blockly.icons.WarningIcon',
+        },
+      },
+    },
+    {
+      oldName: 'Blockly.Comment',
+      exports: {
+        Comment: {
+          newExport: 'CommentIcon',
+          oldPath: 'Blockly.Comment',
+          newPath: 'Blockly.icons.CommentIcon',
+        },
+      },
+    },
+    {
+      oldName: 'Blockly.Mutator',
+      newName: 'Blockly.icons.MutatorIcon',
+      exports: {
+        Mutator: {
+          newExport: 'MutatorIcon',
+          oldPath: 'Blockly.Mutator',
+          newPath: 'Blockly.icons.MutatorIcon',
+        },
+      },
+    },
+    {
+      oldName: 'Blockly.Icon',
+      newName: 'Blockly.icons.Icon',
+    },
+    {
+      oldName: 'Blockly.Input',
+      exports: {
+        'Align': {
+          newPath: 'Blockly.inputs.Align',
+        },
+      },
+    },
+    {
+      oldName: 'Blockly',
+      exports: {
+        'Align': {
+          newPath: 'Blockly.inputs.Align',
+        },
+        'ALIGN_LEFT': {
+          newPath: 'Blockly.inputs.Align.LEFT',
+        },
+        'ALIGN_CENTER': {
+          newPath: 'Blockly.inputs.Align.CENTER',
+        },
+        'ALIGN_RIGHT': {
+          newPath: 'Blockly.inputs.Align.RIGHT',
+        },
+        'inputTypes': {
+          newModule: 'Blockly.inputs',
+        },
+      },
+    },
+    {
+      oldName: 'Blockly.Bubble',
+      newName: 'Blockly.bubbles.Bubble',
+    },
+    {
+      oldName: 'Blockly.minimalist',
+      newPath: 'Blockly.blockRendering',
+    },
+    // The following renamings serve two purposes:
+    // - Record that the langGenerator instances have moved to a
+    //   different module (though this is not actually actioned by the
+    //   renaming script).
+    // - Record a change of path, applicable only to code that imports
+    //   generators via <script> tags.
+    {
+      oldName: 'Blockly.Dart',
+      exports: {
+        dartGenerator: {
+          newModule: 'Blockly.Dart.all',
+          oldPath: 'Blockly.Dart',
+          newPath: 'dart.dartGenerator',
+        },
+      },
+    },
+    {
+      oldName: 'Blockly.JavaScript',
+      exports: {
+        javascriptGenerator: {
+          newModule: 'Blockly.Javascript.all',
+          oldPath: 'Blockly.JavaScript',
+          newPath: 'javascript.javascriptGenerator',
+        },
+      },
+    },
+    {
+      oldName: 'Blockly.Lua',
+      exports: {
+        luaGenerator: {
+          newModule: 'Blockly.Lua.all',
+          oldPath: 'Blockly.Lua',
+          newPath: 'lua.luaGenerator',
+        },
+      },
+    },
+    {
+      oldName: 'Blockly.Php',
+      exports: {
+        phpGenerator: {
+          newModule: 'Blockly.PHP.all',
+          oldPath: 'Blockly.PHP',
+          newPath: 'php.phpGenerator',
+        },
+      },
+    },
+    {
+      oldName: 'Blockly.Python',
+      exports: {
+        pythonGenerator: {
+          newModule: 'Blockly.Python.all',
+          oldPath: 'Blockly.Python',
+          newPath: 'python.pythonGenerator',
+        },
+      },
+    },
+  ],
+
+  '10.0.1': [
+    {
+      oldName: 'Blockly',
+      exports: {
+        HSV_SATURATION: {
+          newModule: 'Blockly.utils.colour',
+          getMethod: 'getHsvSaturation',
+          setMethod: 'setHsvSaturation',
+        },
+        HSV_VALUE: {
+          newModule: 'Blockly.utils.colour',
+          getMethod: 'getHsvValue',
+          setMethod: 'setHsvValue',
+        },
+      },
+    },
+  ],
+
+  'develop': [],
+}
diff --git a/scripts/package/README.md b/scripts/package/README.md
index b4f0cf3b802..9e8ab6e3596 100644
--- a/scripts/package/README.md
+++ b/scripts/package/README.md
@@ -1,28 +1,14 @@
 # Blockly
 
-Google's Blockly is a web-based, visual programming editor.  Users can drag
-blocks together to build programs.  All code is free and open source.
+Google's Blockly is a web-based, visual programming editor. Users can drag
+blocks together to build programs. All code is free and open source.
 
 The source for this module is in the [Blockly repo](http://github.com/google/blockly).
 
-## Installation
-
-You can install this package either via ``npm`` or ``unpkg``.
-
-### npm
-```bash
-npm install blockly
-```
-
-### unpkg
-```html
-<script src="https://unpkg.com/blockly/blockly.min.js"></script>
-```
-
 ## Example Usage
 
 ```js
-import Blockly from 'blockly';
+import * as Blockly from 'blockly/core';
 Blockly.inject('blocklyDiv', {
     ...
 })
@@ -32,45 +18,75 @@ Blockly.inject('blocklyDiv', {
 
 For samples on how to integrate Blockly into your project, view the list of samples at [blockly-samples](https://github.com/google/blockly-samples).
 
+## Installation
 
-### Importing Blockly
+You can install this package either via `npm` or `unpkg`.
 
-When you import Blockly with ``import * as Blockly from 'blockly';`` you'll get the default modules:
-Blockly core, Blockly built-in blocks, the JavaScript generator and the English lang files. 
+### unpkg
 
-If you need more flexibility, you'll want to define your imports more carefully: 
+```html
+<script src="https://unpkg.com/blockly/blockly.min.js"></script>
+```
 
-#### Blockly Core
+When importing from unpkg, you can access imports from the global namespace.
 
 ```js
-import * as Blockly from 'blockly/core';
+// Access Blockly.
+Blockly.thing;
+// Access the default blocks.
+Blockly.Blocks['block_type'];
+// Access the javascript generator.
+javascript.javascriptGenerator;
 ```
 
-#### Blockly built in blocks
+### npm
 
-```js
-import 'blockly/blocks';
+```bash
+npm install blockly
 ```
 
-#### Blockly Generators
-If your application needs to generate code from the Blockly blocks, you'll want to include a generator.
+## Imports
+
+Note: Using import of our package targets requires you to use a bundler (like webpack), since Blockly is packaged as a UMD, rather than an ESM.
 
 ```js
-import 'blockly/python';
+// Import Blockly core.
+import * as Blockly from 'blockly/core';
+// Import the default blocks.
+import * as libraryBlocks from 'blockly/blocks';
+// Import a generator.
+import {javascriptGenerator} from 'blockly/javascript';
+// Import a message file.
+import * as En from 'blockly/msg/en';
 ```
-to include the Python generator, you can also import ``blockly/javascript``, ``blockly/php``, ``blockly/dart`` and ``blockly/lua``.
 
-#### Blockly Languages
+## Requires
 
 ```js
-import * as Fr from 'blockly/msg/fr';
-Blockly.setLocale(Fr);
+// Require Blockly core.
+const Blockly = require('blockly/core');
+// Require the default blocks.
+const libraryBlocks = require('blockly/blocks');
+// Require a generator.
+const {javascriptGenerator} = require('blockly/javascript');
+// Require a message file.
+const En = require('blockly/msg/en');
 ```
 
-To import the French lang files. Once you've imported the specific lang module, you'll also want to set the locale in Blockly.
+## Applying messages
+
+Once you have the message files, you also need to apply them.
+
+```js
+Blockly.setLocal(En);
+```
 
 For a full list of supported Blockly locales, see: [https://github.com/google/blockly/tree/master/msg/js](https://github.com/google/blockly/tree/master/msg/js)
 
+## Docs
+
+For more information about how to use Blockly, check out our
+[devsite](https://developers.google.com/blockly/guides/overview).
 
 ## License
 
diff --git a/scripts/package/blockly.js b/scripts/package/blockly.js
deleted file mode 100644
index 55bc791af5f..00000000000
--- a/scripts/package/blockly.js
+++ /dev/null
@@ -1,12 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Blockly module.
- */
-
-/* eslint-disable */
-'use strict';
diff --git a/scripts/package/blocks.js b/scripts/package/blocks.js
deleted file mode 100644
index 8e0d4ab79f2..00000000000
--- a/scripts/package/blocks.js
+++ /dev/null
@@ -1,14 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Blockly Blocks module.
- */
-
-/* eslint-disable */
-'use strict';
-
-Blockly.Blocks = {};
diff --git a/scripts/package/browser/core.js b/scripts/package/browser/core.js
deleted file mode 100644
index 19463cd7e96..00000000000
--- a/scripts/package/browser/core.js
+++ /dev/null
@@ -1,21 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Blockly core module for the browser. It includes blockly.js
- *               and adds a helper method for setting the locale.
- */
-
-/* eslint-disable */
-'use strict';
-
-// Add a helper method to set the Blockly locale.
-Blockly.setLocale = function (locale) {
-  Blockly.Msg = Blockly.Msg || {};
-  Object.keys(locale).forEach(function (k) {
-    Blockly.Msg[k] = locale[k];
-  });
-};
diff --git a/scripts/package/browser/index.js b/scripts/package/browser/index.js
deleted file mode 100644
index 1b2f05e5131..00000000000
--- a/scripts/package/browser/index.js
+++ /dev/null
@@ -1,24 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Blockly module for the browser. This includes Blockly core
- * and built in blocks, the JavaScript code generator and the English block
- * localization files.
- */
-
-/* eslint-disable */
-'use strict';
-
-// Include the EN Locale by default.
-Blockly.setLocale(En);
-
-Blockly.Blocks = Blockly.Blocks || {};
-Object.keys(BlocklyBlocks).forEach(function (k) {
-  Blockly.Blocks[k] = BlocklyBlocks[k];
-});
-
-Blockly.JavaScript = BlocklyJS;
\ No newline at end of file
diff --git a/scripts/package/core-node.js b/scripts/package/core-node.js
new file mode 100644
index 00000000000..22c3c5bcddf
--- /dev/null
+++ b/scripts/package/core-node.js
@@ -0,0 +1,31 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @file Blockly core module wrapper for node.js.  This module loads
+ * blockly_compressed.js and jsdom, then calls
+ * Blockly.utils.xml.injectDependencies to supply needed XML-handling
+ * functions to Blocky.
+ *
+ * Note that, unlike index.js, this file does not get a UMD wrapper.
+ * This is because it is only used in node.js environments and so is
+ * guaranteed to be loaded as a CJS module.
+ */
+
+/* eslint-disable */
+'use strict';
+
+const Blockly = require('./blockly_compressed.js');
+const {JSDOM} = require('jsdom');
+
+// Override textToDomDocument and provide node.js alternatives to
+// DOMParser and XMLSerializer.
+if (typeof globalThis.document !== 'object') {
+  const {window} = new JSDOM(`<!DOCTYPE html>`);
+  Blockly.utils.xml.injectDependencies(window);
+}
+
+module.exports = Blockly;
diff --git a/scripts/package/dart.js b/scripts/package/dart.js
deleted file mode 100644
index ea4e8338a30..00000000000
--- a/scripts/package/dart.js
+++ /dev/null
@@ -1,14 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Dart Generator module.
- */
-
-/* eslint-disable */
-'use strict';
-
-Blockly.Dart = BlocklyDart;
diff --git a/scripts/package/index.js b/scripts/package/index.js
index f88c16e7378..8eb70b4265d 100644
--- a/scripts/package/index.js
+++ b/scripts/package/index.js
@@ -5,8 +5,19 @@
  */
 
 /**
- * @fileoverview Blockly module.
+ * @file Main entrypoint for blockly package.  Via its UMD wrapper,
+ * this module loads blockly/core, blockly/blocks and blockly/msg/en
+ * and then calls setLocale(en).
+ *
+ * This entrypoint previously also loaded one or more generators
+ * (JavaScript in browser, all five in node.js environments) but it no
+ * longer makes sense to do so because of changes to generators
+ * exports (they no longer have the side effect of defining
+ * Blockly.JavaScript, etc., when loaded as modules).
  */
 
 /* eslint-disable */
-'use strict';
\ No newline at end of file
+'use strict';
+
+// Include the EN Locale by default.
+Blockly.setLocale(en);
diff --git a/scripts/package/javascript.js b/scripts/package/javascript.js
deleted file mode 100644
index e0ba813f276..00000000000
--- a/scripts/package/javascript.js
+++ /dev/null
@@ -1,14 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview JavaScript Generator module.
- */
-
-/* eslint-disable */
-'use strict';
-
-Blockly.JavaScript = BlocklyJavaScript;
diff --git a/scripts/package/lua.js b/scripts/package/lua.js
deleted file mode 100644
index 4094782a199..00000000000
--- a/scripts/package/lua.js
+++ /dev/null
@@ -1,14 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Lua Generator module.
- */
-
-/* eslint-disable */
-'use strict';
-
-Blockly.Lua = BlocklyLua;
diff --git a/scripts/package/node/core.js b/scripts/package/node/core.js
deleted file mode 100644
index 8f7745304be..00000000000
--- a/scripts/package/node/core.js
+++ /dev/null
@@ -1,33 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Blockly core module for Node. It includes blockly-node.js
- *               and adds a helper method for setting the locale.
- */
-
-/* eslint-disable */
-'use strict';
-
-// Add a helper method to set the Blockly locale.
-Blockly.setLocale = function (locale) {
-  Blockly.Msg = Blockly.Msg || {};
-  Object.keys(locale).forEach(function (k) {
-    Blockly.Msg[k] = locale[k];
-  });
-};
-
-// Override textToDomDocument and provide Node.js alternatives to DOMParser and
-// XMLSerializer.
-if (typeof Blockly.utils.global.document !== 'object') {
-  Blockly.utils.global.DOMParser = require("jsdom/lib/jsdom/living").DOMParser;
-  Blockly.utils.global.XMLSerializer = require("jsdom/lib/jsdom/living").XMLSerializer;
-  var doc = Blockly.utils.xml.textToDomDocument(
-    '<xml xmlns="https://developers.google.com/blockly/xml"></xml>');
-  Blockly.utils.xml.document = function() {
-    return doc;
-  };
-}
diff --git a/scripts/package/node/index.js b/scripts/package/node/index.js
deleted file mode 100644
index d50a92d60e3..00000000000
--- a/scripts/package/node/index.js
+++ /dev/null
@@ -1,31 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Blockly module for Node. It includes Blockly core,
- *               built-in blocks, all the generators and the English locale.
- */
-
-/* eslint-disable */
-'use strict';
-
-// Include the EN Locale by default.
-Blockly.setLocale(En);
-
-Blockly.Blocks = Blockly.Blocks || {};
-Object.keys(BlocklyBlocks).forEach(function (k) {
-  Blockly.Blocks[k] = BlocklyBlocks[k];
-});
-
-Blockly.JavaScript = BlocklyJS;
-
-Blockly.Python = BlocklyPython;
-
-Blockly.Lua = BlocklyLua;
-
-Blockly.PHP = BlocklyPHP;
-
-Blockly.Dart = BlocklyDart;
\ No newline at end of file
diff --git a/scripts/package/php.js b/scripts/package/php.js
deleted file mode 100644
index 361dd97ecdb..00000000000
--- a/scripts/package/php.js
+++ /dev/null
@@ -1,14 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview PHP Generator module.
- */
-
-/* eslint-disable */
-'use strict';
-
-Blockly.PHP = BlocklyPHP;
diff --git a/scripts/package/python.js b/scripts/package/python.js
deleted file mode 100644
index 3634e41bfb0..00000000000
--- a/scripts/package/python.js
+++ /dev/null
@@ -1,14 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Python Generator module.
- */
-
-/* eslint-disable */
-'use strict';
-
-Blockly.Python = BlocklyPython;
diff --git a/scripts/package/templates/node.template b/scripts/package/templates/node.template
deleted file mode 100644
index eef05d74258..00000000000
--- a/scripts/package/templates/node.template
+++ /dev/null
@@ -1,5 +0,0 @@
-/* eslint-disable */
-(function (<%= param %>){
-<%= contents %>
-module.exports = <%= exports %>;
-})(<%= cjs %>); 
diff --git a/scripts/package/templates/umd-msg.template b/scripts/package/templates/umd-msg.template
new file mode 100644
index 00000000000..dda7334b3f1
--- /dev/null
+++ b/scripts/package/templates/umd-msg.template
@@ -0,0 +1,16 @@
+/* eslint-disable */
+;(function(root, factory) {
+  if (typeof define === 'function' && define.amd) { // AMD
+    define(<%= amd %>, factory);
+  } else if (typeof exports === 'object') { // Node.js
+    module.exports = factory();
+  } else { // Browser
+    var messages = factory();
+    for (var key in messages) {
+      root.<%= namespace %>[key] = messages[key];
+    }
+  }
+}(this, function() {
+<%= contents %>
+return Blockly.Msg;
+}));
diff --git a/scripts/package/templates/umd.template b/scripts/package/templates/umd.template
index ab62e103c8a..9eaa0e3cd07 100644
--- a/scripts/package/templates/umd.template
+++ b/scripts/package/templates/umd.template
@@ -10,4 +10,4 @@
 }(this, function(<%= param %>) {
 <%= contents %>
 return <%= exports %>;
-})); 
+}));
diff --git a/scripts/themes/blockStyles_example.json b/scripts/themes/blockStyles_example.json
index e58191c18e3..d3149b4fca4 100644
--- a/scripts/themes/blockStyles_example.json
+++ b/scripts/themes/blockStyles_example.json
@@ -1,11 +1,11 @@
 {
-  "colour":"#A5745B",
-  "lists":"260",
-  "logic":"210",
-  "loops":"120",
-  "math":"230",
-  "procedure":"290",
-  "text":"160",
-  "variables":"310",
-  "variables_dynamic":"310"
+  "colour": "#A5745B",
+  "lists": "260",
+  "logic": "210",
+  "loops": "120",
+  "math": "230",
+  "procedure": "290",
+  "text": "160",
+  "variables": "310",
+  "variables_dynamic": "310"
 }
diff --git a/scripts/tsick.js b/scripts/tsick.js
new file mode 100644
index 00000000000..ac0d56e8e01
--- /dev/null
+++ b/scripts/tsick.js
@@ -0,0 +1,86 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Lightweight conversion from tsc ouptut to Closure Compiler
+ * compatible input.
+ */
+'use strict';
+
+// eslint-disable-next-line no-undef
+const fs = require('fs');
+
+// eslint-disable-next-line no-undef
+const DIR = process.argv[2];
+
+// Number of files rewritten.
+let fileCount = 0;
+
+/**
+ * Recursively spider the given directory and rewrite any JS files found.
+ * @param {string} dir Directory path to start from.
+ */
+function spider(dir) {
+  if (!dir.endsWith('/')) {
+    dir += '/';
+  }
+  const entries = fs.readdirSync(dir, {withFileTypes: true});
+  for (const entry of entries) {
+    if (entry.isDirectory()) {
+      spider(dir + entry.name + '/');
+    } else if (entry.name.endsWith('.js')) {
+      rewriteFile(dir + entry.name);
+    }
+  }
+}
+
+/**
+ * Given a file, rewrite it if it contains problematic patterns.
+ * @param {string} path Path of file to potentially rewrite.
+ */
+function rewriteFile(path) {
+  const oldCode = fs.readFileSync(path, 'utf8');
+  const newCode = rewriteEnum(oldCode);
+  if (newCode !== oldCode) {
+    fileCount++;
+    fs.writeFileSync(path, newCode);
+  }
+}
+
+/**
+ * Unquote enum definitions in the given code string.
+ * @param {string} code Original code generated by tsc.
+ * @return {string} Rewritten code for Closure Compiler.
+ */
+function rewriteEnum(code) {
+  // Find all enum definitions.  They look like this:
+  // (function (names) {
+  //   ...
+  // })(names || (names = {}));
+  const enumDefs =
+    code.match(
+      /\s+\(function \((\w+)\) \{\n[^}]*\}\)\(\1 [^)]+\1 = \{\}\)\);/g,
+    ) || [];
+  for (const oldEnumDef of enumDefs) {
+    // enumDef looks like a bunch of lines in one of these two formats:
+    //   ScopeType["BLOCK"] = "block";
+    //   KeyCodes[KeyCodes["TAB"] = 9] = "TAB";
+    // We need to unquote them to look like one of these two formats:
+    //   ScopeType.BLOCK = "block";
+    //   KeyCodes[KeyCodes.TAB = 9] = "TAB";
+    let newEnumDef = oldEnumDef.replace(/\["(\w+)"\]/g, '.$1');
+    newEnumDef = newEnumDef.replace(') {', ') {  // Converted by tsick.');
+    code = code.replace(oldEnumDef, newEnumDef);
+  }
+  return code;
+}
+
+if (DIR) {
+  spider(DIR);
+  console.log(`Unquoted enums in ${fileCount} files.`);
+} else {
+  throw Error('No source directory specified');
+}
diff --git a/tests/.eslintrc.json b/tests/.eslintrc.json
new file mode 100644
index 00000000000..1d5e1fea295
--- /dev/null
+++ b/tests/.eslintrc.json
@@ -0,0 +1,10 @@
+{
+  "globals": {
+    "Blockly": true,
+    "dartGenerator": true,
+    "javascriptGenerator": true,
+    "luaGenerator": true,
+    "phpGenerator": true,
+    "pythonGenerator": true
+  }
+}
diff --git a/tests/browser/.eslintrc.json b/tests/browser/.eslintrc.json
new file mode 100644
index 00000000000..2fe4f6a6bb5
--- /dev/null
+++ b/tests/browser/.eslintrc.json
@@ -0,0 +1,29 @@
+{
+  "env": {
+    "browser": true,
+    "mocha": true,
+    "node": true
+  },
+  "globals": {
+    "chai": false,
+    "sinon": false
+  },
+  "rules": {
+    "no-unused-vars": ["off"],
+    // Allow uncommented helper functions in tests.
+    "require-jsdoc": ["off"],
+    "prefer-rest-params": ["off"],
+    "no-invalid-this": ["off"],
+    "valid-jsdoc": [
+      "error",
+      {
+        "requireReturnType": false,
+        "requireParamType": false
+      }
+    ]
+  },
+  "extends": "../../.eslintrc.js",
+  "parserOptions": {
+    "sourceType": "module"
+  }
+}
diff --git a/tests/browser/.mocharc.js b/tests/browser/.mocharc.js
new file mode 100644
index 00000000000..b11a846fb5a
--- /dev/null
+++ b/tests/browser/.mocharc.js
@@ -0,0 +1,6 @@
+'use strict';
+
+module.exports = {
+  ui: 'tdd',
+  require: __dirname + '/test/hooks.js',
+};
diff --git a/tests/browser/test/basic_block_factory_test.js b/tests/browser/test/basic_block_factory_test.js
new file mode 100644
index 00000000000..026f2565950
--- /dev/null
+++ b/tests/browser/test/basic_block_factory_test.js
@@ -0,0 +1,44 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Node.js script to run Automated tests in Chrome, via webdriver.
+ */
+
+const chai = require('chai');
+const {testSetup, testFileLocations} = require('./test_setup');
+
+suite('Testing Connecting Blocks', function (done) {
+  // Setting timeout to unlimited as the webdriver takes a longer time to run than most mocha test
+  this.timeout(0);
+
+  // Setup Selenium for all of the tests
+  suiteSetup(async function () {
+    this.browser = await testSetup(testFileLocations.BLOCK_FACTORY);
+  });
+
+  test('Testing Block Drag', async function () {
+    const startingBlock = await this.browser.$(
+      '#blockly > div > svg.blocklySvg > g > g.blocklyBlockCanvas > g:nth-child(2)',
+    );
+    const blocklyCanvas = await this.browser.$(
+      '#blockly > div > svg.blocklySvg > g > g.blocklyBlockCanvas',
+    );
+    const firstPostion = await blocklyCanvas.getAttribute('transform');
+    await startingBlock.dragAndDrop({x: 20, y: 20});
+    const secondPosition = await blocklyCanvas.getAttribute('transform');
+    chai.assert.notEqual(firstPostion, secondPosition);
+  });
+
+  suiteTeardown(async function () {
+    await this.browser.execute(() => {
+      // If you leave blocks on the workspace, the block factory pops up an alert asking
+      // if you really want to lose your work when you try to load a new page.
+      // Clearing blocks resolves this and is easier than waiting for the alert.
+      Blockly.getMainWorkspace().clear();
+    });
+  });
+});
diff --git a/tests/browser/test/basic_block_test.js b/tests/browser/test/basic_block_test.js
new file mode 100644
index 00000000000..7d594c50ede
--- /dev/null
+++ b/tests/browser/test/basic_block_test.js
@@ -0,0 +1,39 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Node.js script to run Automated tests in Chrome, via
+ * webdriver, of basic Blockly block functionality.
+ */
+
+const chai = require('chai');
+const {
+  testSetup,
+  testFileLocations,
+  getAllBlocks,
+  dragNthBlockFromFlyout,
+} = require('./test_setup');
+const {Key} = require('webdriverio');
+
+suite('Basic block tests', function (done) {
+  // Setting timeout to unlimited as the webdriver takes a longer time
+  // to run than most mocha test
+  this.timeout(0);
+
+  // Setup Selenium for all of the tests
+  suiteSetup(async function () {
+    this.browser = await testSetup(
+      testFileLocations.PLAYGROUND + '?toolbox=test-blocks',
+    );
+  });
+
+  test('Drag three blocks into the workspace', async function () {
+    for (let i = 1; i <= 3; i++) {
+      await dragNthBlockFromFlyout(this.browser, 'Align', 0, 250, 50 * i);
+      chai.assert.equal((await getAllBlocks(this.browser)).length, i);
+    }
+  });
+});
diff --git a/tests/browser/test/basic_playground_test.js b/tests/browser/test/basic_playground_test.js
new file mode 100644
index 00000000000..091f2f6b5ce
--- /dev/null
+++ b/tests/browser/test/basic_playground_test.js
@@ -0,0 +1,198 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Node.js script to run Automated tests in Chrome, via webdriver.
+ */
+
+const chai = require('chai');
+const {
+  testSetup,
+  testFileLocations,
+  dragNthBlockFromFlyout,
+  dragBlockTypeFromFlyout,
+  connect,
+  contextMenuSelect,
+  PAUSE_TIME,
+} = require('./test_setup');
+
+async function getIsCollapsed(browser, blockId) {
+  return await browser.execute((blockId) => {
+    return Blockly.getMainWorkspace().getBlockById(blockId).isCollapsed();
+  }, blockId);
+}
+
+async function getIsDisabled(browser, blockId) {
+  return await browser.execute((blockId) => {
+    const block = Blockly.getMainWorkspace().getBlockById(blockId);
+    return !block.isEnabled() || block.getInheritedDisabled();
+  }, blockId);
+}
+
+async function getCommentText(browser, blockId) {
+  return await browser.execute((blockId) => {
+    return Blockly.getMainWorkspace().getBlockById(blockId).getCommentText();
+  }, blockId);
+}
+
+suite('Testing Connecting Blocks', function () {
+  // Setting timeout to unlimited as the webdriver takes a longer time to run than most mocha test
+  this.timeout(0);
+
+  // Setup Selenium for all of the tests
+  suiteSetup(async function () {
+    this.browser = await testSetup(testFileLocations.PLAYGROUND);
+  });
+
+  test('dragging a block from the flyout results in a block on the workspace', async function () {
+    await dragBlockTypeFromFlyout(this.browser, 'Logic', 'controls_if', 20, 20);
+    const blockCount = await this.browser.execute(() => {
+      return Blockly.getMainWorkspace().getAllBlocks(false).length;
+    });
+
+    chai.assert.equal(blockCount, 1);
+  });
+});
+
+/**
+ * These tests have to run together. Each test acts on the state left by the
+ * previous test, and each test has a single assertion.
+ */
+suite('Right Clicking on Blocks', function () {
+  // Setting timeout to unlimited as the webdriver takes a longer time to run than most mocha test
+  this.timeout(0);
+
+  // Setup Selenium for all of the tests
+  suiteSetup(async function () {
+    this.browser = await testSetup(testFileLocations.PLAYGROUND);
+    this.block = await dragNthBlockFromFlyout(this.browser, 'Loops', 0, 20, 20);
+  });
+
+  test('clicking the collapse option collapses the block', async function () {
+    await contextMenuSelect(this.browser, this.block, 'Collapse Block');
+    chai.assert.isTrue(await getIsCollapsed(this.browser, this.block.id));
+  });
+
+  // Assumes that
+  test('clicking the expand option expands the block', async function () {
+    await contextMenuSelect(this.browser, this.block, 'Expand Block');
+    chai.assert.isFalse(await getIsCollapsed(this.browser, this.block.id));
+  });
+
+  test('clicking the disable option disables the block', async function () {
+    await contextMenuSelect(this.browser, this.block, 'Disable Block');
+    chai.assert.isTrue(await getIsDisabled(this.browser, this.block.id));
+  });
+
+  test('clicking the enable option enables the block', async function () {
+    await contextMenuSelect(this.browser, this.block, 'Enable Block');
+    chai.assert.isFalse(await getIsDisabled(this.browser, this.block.id));
+  });
+
+  test('clicking the add comment option adds a comment to the block', async function () {
+    await contextMenuSelect(this.browser, this.block, 'Add Comment');
+    chai.assert.equal(await getCommentText(this.browser, this.block.id), '');
+  });
+
+  test('clicking the remove comment option removes a comment from the block', async function () {
+    await contextMenuSelect(this.browser, this.block, 'Remove Comment');
+    chai.assert.isNull(await getCommentText(this.browser, this.block.id));
+  });
+});
+
+suite('Disabling', function () {
+  // Setting timeout to unlimited as the webdriver takes a longer
+  // time to run than most mocha tests.
+  this.timeout(0);
+
+  suiteSetup(async function () {
+    this.browser = await testSetup(testFileLocations.PLAYGROUND);
+  });
+
+  setup(async function () {
+    await this.browser.refresh();
+    // Pause to allow refresh time to work.
+    await this.browser.pause(PAUSE_TIME + 150);
+  });
+
+  test(
+    'children connected to value inputs are disabled when the ' +
+      'parent is disabled',
+    async function () {
+      const parent = await dragBlockTypeFromFlyout(
+        this.browser,
+        'Logic',
+        'controls_if',
+        10,
+        10,
+      );
+      const child = await dragBlockTypeFromFlyout(
+        this.browser,
+        'Logic',
+        'logic_boolean',
+        110,
+        110,
+      );
+      await connect(this.browser, child, 'OUTPUT', parent, 'IF0');
+
+      await contextMenuSelect(this.browser, parent, 'Disable Block');
+
+      chai.assert.isTrue(await getIsDisabled(this.browser, child.id));
+    },
+  );
+
+  test(
+    'children connected to statement inputs are disabled when the ' +
+      'parent is disabled',
+    async function () {
+      const parent = await dragBlockTypeFromFlyout(
+        this.browser,
+        'Logic',
+        'controls_if',
+        10,
+        10,
+      );
+      const child = await dragBlockTypeFromFlyout(
+        this.browser,
+        'Logic',
+        'controls_if',
+        110,
+        110,
+      );
+      await connect(this.browser, child, 'PREVIOUS', parent, 'DO0');
+
+      await contextMenuSelect(this.browser, parent, 'Disable Block');
+
+      chai.assert.isTrue(await getIsDisabled(this.browser, child.id));
+    },
+  );
+
+  test(
+    'children connected to next connections are not disabled when the ' +
+      'parent is disabled',
+    async function () {
+      const parent = await dragBlockTypeFromFlyout(
+        this.browser,
+        'Logic',
+        'controls_if',
+        10,
+        10,
+      );
+      const child = await dragBlockTypeFromFlyout(
+        this.browser,
+        'Logic',
+        'controls_if',
+        110,
+        110,
+      );
+      await connect(this.browser, child, 'PREVIOUS', parent, 'NEXT');
+
+      await contextMenuSelect(this.browser, parent, 'Disable Block');
+
+      chai.assert.isFalse(await getIsDisabled(this.browser, child.id));
+    },
+  );
+});
diff --git a/tests/browser/test/block_undo_test.js b/tests/browser/test/block_undo_test.js
new file mode 100644
index 00000000000..3dc5babc5ea
--- /dev/null
+++ b/tests/browser/test/block_undo_test.js
@@ -0,0 +1,50 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Node.js script to run Automated tests in Chrome, via webdriver.
+ */
+
+const chai = require('chai');
+const {Key} = require('webdriverio');
+const {
+  testSetup,
+  testFileLocations,
+  dragBlockTypeFromFlyout,
+  screenDirection,
+  getAllBlocks,
+} = require('./test_setup');
+
+suite('Testing undo block movement', function (done) {
+  // Setting timeout to unlimited as the webdriver takes a longer time to run than most mocha test
+  this.timeout(0);
+
+  test('Undoing Block Movement LTR', async function () {
+    this.browser = await testSetup(testFileLocations.PLAYGROUND);
+    await testUndoBlock(this.browser, screenDirection.LTR);
+  });
+
+  test('Undoing Block Movement RTL', async function () {
+    this.browser = await testSetup(testFileLocations.PLAYGROUND_RTL);
+    await testUndoBlock(this.browser, screenDirection.RTL);
+  });
+});
+
+async function testUndoBlock(browser, direction) {
+  // Drag out first function
+  await dragBlockTypeFromFlyout(
+    browser,
+    'Functions',
+    'procedures_defreturn',
+    50 * direction,
+    20,
+  );
+
+  await browser.keys([Key.Ctrl, 'z']);
+
+  const allBlocks = await getAllBlocks(browser);
+  chai.assert.equal(allBlocks.length, 0);
+}
diff --git a/tests/browser/test/delete_blocks_test.js b/tests/browser/test/delete_blocks_test.js
new file mode 100644
index 00000000000..b25c096a1ec
--- /dev/null
+++ b/tests/browser/test/delete_blocks_test.js
@@ -0,0 +1,211 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+const chai = require('chai');
+const {
+  testSetup,
+  testFileLocations,
+  getAllBlocks,
+  getBlockElementById,
+  clickBlock,
+  contextMenuSelect,
+  PAUSE_TIME,
+} = require('./test_setup');
+const {Key} = require('webdriverio');
+
+const firstBlockId = 'root_block';
+const startBlocks = {
+  blocks: {
+    languageVersion: 0,
+    blocks: [
+      {
+        type: 'text_print',
+        id: firstBlockId,
+        x: 63,
+        y: 88,
+        inputs: {
+          TEXT: {
+            shadow: {
+              type: 'text',
+              id: 'text_shadow',
+              fields: {
+                TEXT: '1',
+              },
+            },
+          },
+        },
+        next: {
+          block: {
+            type: 'text_print',
+            id: 'second_block',
+            inputs: {
+              TEXT: {
+                shadow: {
+                  type: 'text',
+                  id: 'second_text_shadow',
+                  fields: {
+                    TEXT: '2',
+                  },
+                },
+                block: {
+                  type: 'text_trim',
+                  id: 'trim_block',
+                  fields: {
+                    MODE: 'BOTH',
+                  },
+                  inputs: {
+                    TEXT: {
+                      shadow: {
+                        type: 'text',
+                        id: 'text_to_trim_shadow',
+                        fields: {
+                          TEXT: 'abc',
+                        },
+                      },
+                      block: {
+                        type: 'text',
+                        id: 'text_to_trim_real',
+                        fields: {
+                          TEXT: 'hello',
+                        },
+                      },
+                    },
+                  },
+                },
+              },
+            },
+            next: {
+              block: {
+                type: 'text_print',
+                id: 'third_block',
+                inputs: {
+                  TEXT: {
+                    shadow: {
+                      type: 'text',
+                      id: 'third_text_shadow',
+                      fields: {
+                        TEXT: '3',
+                      },
+                    },
+                  },
+                },
+              },
+            },
+          },
+        },
+      },
+    ],
+  },
+};
+
+suite('Delete blocks', function (done) {
+  // Setting timeout to unlimited as the webdriver takes a longer time to run than most mocha test
+  this.timeout(0);
+
+  // Setup Selenium for all of the tests
+  suiteSetup(async function () {
+    this.browser = await testSetup(testFileLocations.PLAYGROUND);
+  });
+
+  // Clear the workspace and load the start blocks before each test
+  setup(async function () {
+    await this.browser.execute(() => {
+      // Clear the workspace manually so we can ensure it's clear before moving on to the next test.
+      Blockly.getMainWorkspace().clear();
+    });
+    // Wait for the workspace to be cleared of blocks (no blocks found on main workspace)
+    await this.browser
+      .$(
+        '.blocklySvg .blocklyWorkspace > .blocklyBlockCanvas > .blocklyDraggable',
+      )
+      .waitForExist({timeout: 2000, reverse: true});
+
+    // Load the start blocks
+    await this.browser.execute((blocks) => {
+      Blockly.serialization.workspaces.load(blocks, Blockly.getMainWorkspace());
+    }, startBlocks);
+    // Wait for there to be a block on the main workspace before continuing
+    (await getBlockElementById(this.browser, firstBlockId)).waitForExist({
+      timeout: 2000,
+    });
+    this.firstBlock = await getBlockElementById(this.browser, firstBlockId);
+  });
+
+  test('Delete block using backspace key', async function () {
+    const before = (await getAllBlocks(this.browser)).length;
+    // Get first print block, click to select it, and delete it using backspace key.
+    await clickBlock(this.browser, this.firstBlock, {button: 1});
+    await this.browser.keys([Key.Backspace]);
+    const after = (await getAllBlocks(this.browser)).length;
+    chai.assert.equal(
+      before - 2,
+      after,
+      'Expected there to be two fewer blocks after deletion of block and shadow',
+    );
+  });
+
+  test('Delete block using delete key', async function () {
+    const before = (await getAllBlocks(this.browser)).length;
+    // Get first print block, click to select it, and delete it using delete key.
+    await clickBlock(this.browser, this.firstBlock, {button: 1});
+    await this.browser.keys([Key.Delete]);
+    const after = (await getAllBlocks(this.browser)).length;
+    chai.assert.equal(
+      before - 2,
+      after,
+      'Expected there to be two fewer blocks after deletion of block and shadow',
+    );
+  });
+
+  test('Delete block using context menu', async function () {
+    const before = (await getAllBlocks(this.browser)).length;
+    // Get first print block, click to select it, and delete it using context menu.
+    await contextMenuSelect(this.browser, this.firstBlock, 'Delete 2 Blocks');
+    const after = (await getAllBlocks(this.browser)).length;
+    chai.assert.equal(
+      before - 2,
+      after,
+      'Expected there to be two fewer blocks after deletion of block and shadow',
+    );
+  });
+
+  test('Undo block deletion', async function () {
+    const before = (await getAllBlocks(this.browser)).length;
+    // Get first print block, click to select it, and delete it using backspace key.
+    await clickBlock(this.browser, this.firstBlock, {button: 1});
+    await this.browser.keys([Key.Backspace]);
+    await this.browser.pause(PAUSE_TIME);
+    // Undo
+    await this.browser.keys([Key.Ctrl, 'z']);
+    await this.browser.pause(PAUSE_TIME);
+    const after = (await getAllBlocks(this.browser)).length;
+    chai.assert.equal(
+      before,
+      after,
+      'Expected there to be the original number of blocks after undoing a delete',
+    );
+  });
+
+  test('Redo block deletion', async function () {
+    const before = (await getAllBlocks(this.browser)).length;
+    // Get first print block, click to select it, and delete it using backspace key.
+    await clickBlock(this.browser, this.firstBlock, {button: 1});
+    await this.browser.keys([Key.Backspace]);
+    await this.browser.pause(PAUSE_TIME);
+    // Undo
+    await this.browser.keys([Key.Ctrl, 'z']);
+    await this.browser.pause(PAUSE_TIME);
+    // Redo
+    await this.browser.keys([Key.Ctrl, Key.Shift, 'z']);
+    await this.browser.pause(PAUSE_TIME);
+    const after = (await getAllBlocks(this.browser)).length;
+    chai.assert.equal(
+      before - 2,
+      after,
+      'Expected there to be fewer blocks after undoing and redoing a delete',
+    );
+  });
+});
diff --git a/tests/browser/test/extensive_test.js b/tests/browser/test/extensive_test.js
new file mode 100644
index 00000000000..b16a06bbce2
--- /dev/null
+++ b/tests/browser/test/extensive_test.js
@@ -0,0 +1,195 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Node.js script to run Automated tests in Chrome, via webdriver.
+ */
+
+const chai = require('chai');
+const {
+  testSetup,
+  testFileLocations,
+  getBlockElementById,
+  getAllBlocks,
+  PAUSE_TIME,
+} = require('./test_setup');
+const {Key} = require('webdriverio');
+
+suite('This tests loading Large Configuration and Deletion', function (done) {
+  // Setting timeout to unlimited as the webdriver takes a longer time to run than most mocha test
+  this.timeout(0);
+
+  // Setup Selenium for all of the tests
+  suiteSetup(async function () {
+    this.browser = await testSetup(testFileLocations.PLAYGROUND);
+  });
+
+  test('loading from JSON results in the correct number of blocks', async function () {
+    const blockNum = await testingJSONLoad(this.browser);
+    chai.assert.equal(blockNum, 13);
+  });
+
+  test('deleting block results in the correct number of blocks', async function () {
+    const fourthRepeatDo = await getBlockElementById(
+      this.browser,
+      'E8bF[-r:B~cabGLP#QYd',
+    );
+    await fourthRepeatDo.click({x: -100, y: -40});
+    await this.browser.keys([Key.Delete]);
+    await this.browser.pause(PAUSE_TIME);
+    const allBlocks = await getAllBlocks(this.browser);
+    chai.assert.equal(allBlocks.length, 10);
+  });
+
+  test('undoing delete block results in the correct number of blocks', async function () {
+    await this.browser.keys([Key.Ctrl, 'z']);
+    await this.browser.pause(PAUSE_TIME);
+    const allBlocks = await getAllBlocks(this.browser);
+    chai.assert.equal(allBlocks.length, 13);
+  });
+});
+
+async function testingJSONLoad(browser) {
+  return await browser.execute(() => {
+    const myWorkspace = Blockly.getMainWorkspace();
+    const state = {
+      'blocks': {
+        'languageVersion': 0,
+        'blocks': [
+          {
+            'type': 'controls_if',
+            'id': 'O]NpXoWXyz9okeD.PxV0',
+            'x': 112,
+            'y': 38,
+            'extraState': {
+              'elseIfCount': 1,
+              'hasElse': true,
+            },
+            'inputs': {
+              'DO0': {
+                'block': {
+                  'type': 'controls_repeat_ext',
+                  'id': ',8#9eTr9hCrD3nR|uW1L',
+                  'inputs': {
+                    'TIMES': {
+                      'shadow': {
+                        'type': 'math_number',
+                        'id': '(6!seVzJ[5W=!M_s@s=I',
+                        'fields': {
+                          'NUM': 4,
+                        },
+                      },
+                    },
+                  },
+                },
+              },
+              'DO1': {
+                'block': {
+                  'type': 'controls_repeat_ext',
+                  'id': ']X9#sM4FJiVrRP;y0m6H',
+                  'inputs': {
+                    'TIMES': {
+                      'shadow': {
+                        'type': 'math_number',
+                        'id': '%k#p|;f+Y*#.8DX].a6Y',
+                        'fields': {
+                          'NUM': -10,
+                        },
+                      },
+                    },
+                  },
+                },
+              },
+              'ELSE': {
+                'block': {
+                  'type': 'controls_repeat_ext',
+                  'id': '`ZOj01@KGMQ?+MMcLKZ:',
+                  'inputs': {
+                    'TIMES': {
+                      'shadow': {
+                        'type': 'math_number',
+                        'id': 'IIK8IHzVCoUpTfx[j=^9',
+                        'fields': {
+                          'NUM': 10,
+                        },
+                      },
+                      'block': {
+                        'type': 'logic_ternary',
+                        'id': '!$UboN.F)peh:!o]D48-',
+                        'inputs': {
+                          'IF': {
+                            'block': {
+                              'type': 'logic_boolean',
+                              'id': '|?-zstzEVy,Ec%%dJZM{',
+                              'fields': {
+                                'BOOL': 'FALSE',
+                              },
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+              },
+            },
+            'next': {
+              'block': {
+                'type': 'controls_repeat_ext',
+                'id': 'E8bF[-r:B~cabGLP#QYd',
+                'inputs': {
+                  'TIMES': {
+                    'shadow': {
+                      'type': 'math_number',
+                      'id': 'vOb`Us7f.bIuXRGd(K.e',
+                      'fields': {
+                        'NUM': 10,
+                      },
+                    },
+                    'block': {
+                      'type': 'logic_ternary',
+                      'id': 'AyS?@78RwAtQ$?aU[-$L',
+                      'inputs': {
+                        'IF': {
+                          'block': {
+                            'type': 'logic_boolean',
+                            'id': 'K@$Ewnj*Y6JcKR`mycf8',
+                            'fields': {
+                              'BOOL': 'FALSE',
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+                'next': {
+                  'block': {
+                    'type': 'controls_repeat_ext',
+                    'id': 'XFO4v:Cf@2~rgH9CQZ]/',
+                    'inputs': {
+                      'TIMES': {
+                        'shadow': {
+                          'type': 'math_number',
+                          'id': 'jf)XYgvoi!c.3V[u@h+-',
+                          'fields': {
+                            'NUM': 10,
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+              },
+            },
+          },
+        ],
+      },
+    };
+    Blockly.serialization.workspaces.load(state, myWorkspace);
+    return myWorkspace.getAllBlocks(false).length;
+  });
+}
diff --git a/tests/browser/test/field_edits_test.js b/tests/browser/test/field_edits_test.js
new file mode 100644
index 00000000000..bad2e10eda0
--- /dev/null
+++ b/tests/browser/test/field_edits_test.js
@@ -0,0 +1,61 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Node.js script to run Automated tests in Chrome, via webdriver.
+ */
+
+const chai = require('chai');
+const {
+  testSetup,
+  testFileLocations,
+  dragBlockTypeFromFlyout,
+  screenDirection,
+  clickWorkspace,
+} = require('./test_setup');
+const {Key} = require('webdriverio');
+
+suite('Testing Field Edits', function (done) {
+  // Setting timeout to unlimited as the webdriver takes a longer time to run than most mocha test
+  this.timeout(0);
+
+  test('Testing Field Edits LTR', async function () {
+    this.browser = await testSetup(testFileLocations.PLAYGROUND);
+    await testFieldEdits(this.browser, screenDirection.LTR);
+  });
+
+  test('Testing Field Edits RTL', async function () {
+    this.browser = await testSetup(testFileLocations.PLAYGROUND_RTL);
+    await testFieldEdits(this.browser, screenDirection.RTL);
+  });
+});
+
+async function testFieldEdits(browser, direction) {
+  const numberBlock = await dragBlockTypeFromFlyout(
+    browser,
+    'Math',
+    'math_number',
+    50 * direction,
+    20,
+  );
+
+  // Click on the field to change the value
+  await numberBlock.click();
+  await browser.keys([Key.Delete]);
+  await browser.keys(['1093']);
+
+  // Click on the workspace to exit the field editor
+  await clickWorkspace(browser);
+
+  const fieldValue = await browser.execute((id) => {
+    return Blockly.getMainWorkspace()
+      .getBlockById(id)
+      .getField('NUM')
+      .getValue();
+  }, numberBlock.id);
+
+  chai.assert.equal(fieldValue, '1093');
+}
diff --git a/tests/browser/test/hooks.js b/tests/browser/test/hooks.js
new file mode 100644
index 00000000000..a7f08ed564e
--- /dev/null
+++ b/tests/browser/test/hooks.js
@@ -0,0 +1,25 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Hooks to run before the first test and after the last test.
+ * These create a shared chromedriver instance, so we don't have to fire up
+ * a new one for every suite.
+ */
+const {driverSetup, driverTeardown} = require('./test_setup');
+
+const mochaHooks = {
+  async beforeAll() {
+    // Set a long timeout for startup.
+    this.timeout(10000);
+    return await driverSetup();
+  },
+  async afterAll() {
+    return await driverTeardown();
+  },
+};
+
+module.exports = {mochaHooks};
diff --git a/tests/browser/test/mutator_test.js b/tests/browser/test/mutator_test.js
new file mode 100644
index 00000000000..93e698af635
--- /dev/null
+++ b/tests/browser/test/mutator_test.js
@@ -0,0 +1,88 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+const chai = require('chai');
+const {
+  testSetup,
+  testFileLocations,
+  connect,
+  dragBlockTypeFromFlyout,
+  screenDirection,
+  PAUSE_TIME,
+  getBlockElementById,
+  dragBlockFromMutatorFlyout,
+  openMutatorForBlock,
+} = require('./test_setup');
+
+suite('Mutating a block', function (done) {
+  this.timeout(0);
+
+  suiteSetup(async function () {
+    this.browser = await testSetup(testFileLocations.PLAYGROUND);
+  });
+
+  test('Mutating a block creates more inputs', async function () {
+    await testMutator(this.browser, screenDirection.LTR);
+  });
+});
+
+async function testMutator(browser, delta) {
+  const mutatorBlock = await dragBlockTypeFromFlyout(
+    browser,
+    'Logic',
+    'controls_if',
+    delta * 50,
+    50,
+  );
+  await openMutatorForBlock(browser, mutatorBlock);
+  await browser.pause(PAUSE_TIME);
+  await dragBlockFromMutatorFlyout(
+    browser,
+    mutatorBlock,
+    'controls_if_elseif',
+    delta * 50,
+    50,
+  );
+  await browser.pause(PAUSE_TIME);
+
+  const {mutatorBlockId, ifQuarkId, elseIfQuarkId} = await browser.execute(
+    () => {
+      const mutatorBlock = Blockly.getMainWorkspace().getAllBlocks()[0];
+      const quarkBlocks = mutatorBlock.mutator.getWorkspace().getAllBlocks();
+      return {
+        mutatorBlockId: mutatorBlock.id,
+        ifQuarkId: quarkBlocks[0].id,
+        elseIfQuarkId: quarkBlocks[1].id,
+      };
+    },
+  );
+
+  // The flyout block and the workspace block have the same id, so to get
+  // around that I pass in the selector to the connect function.
+  const dragBlockSelector = await browser.$(
+    '#blocklyDiv > div > svg.blocklySvg > g > g.blocklyBubbleCanvas > g > ' +
+      'g:nth-child(2) > svg:nth-child(1) > g > g.blocklyBlockCanvas > ' +
+      'g.blocklyDraggable',
+  );
+  // For some reason this needs a lot more time.
+  await browser.pause(2000);
+  await connect(
+    browser,
+    await getBlockElementById(browser, elseIfQuarkId),
+    'PREVIOUS',
+    await getBlockElementById(browser, ifQuarkId),
+    'NEXT',
+    mutatorBlockId,
+    dragBlockSelector,
+  );
+  await browser.pause(PAUSE_TIME);
+
+  const finalInputCount = await browser.execute(() => {
+    return Blockly.getMainWorkspace().getAllBlocks()[0].inputList.length;
+  });
+
+  chai.assert.equal(finalInputCount, 4);
+}
diff --git a/tests/browser/test/procedure_test.js b/tests/browser/test/procedure_test.js
new file mode 100644
index 00000000000..c36cb918592
--- /dev/null
+++ b/tests/browser/test/procedure_test.js
@@ -0,0 +1,109 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Node.js script to run Automated tests in Chrome, via webdriver.
+ */
+
+const chai = require('chai');
+const {
+  testSetup,
+  testFileLocations,
+  getSelectedBlockElement,
+  getNthBlockOfCategory,
+  getBlockTypeFromCategory,
+  connect,
+  PAUSE_TIME,
+} = require('./test_setup');
+
+suite('Testing Connecting Blocks', function (done) {
+  // Setting timeout to unlimited as the webdriver takes a longer time to run than most mocha test
+  this.timeout(0);
+
+  // Setup Selenium for all of the tests
+  suiteSetup(async function () {
+    this.browser = await testSetup(testFileLocations.CODE_DEMO);
+  });
+
+  test('Testing Procedure', async function () {
+    // Drag out first function
+    let proceduresDefReturn = await getBlockTypeFromCategory(
+      this.browser,
+      'Functions',
+      'procedures_defreturn',
+    );
+    await proceduresDefReturn.dragAndDrop({x: 50, y: 20});
+    const doSomething = await getSelectedBlockElement(this.browser);
+
+    // Drag out second function.
+    proceduresDefReturn = await getBlockTypeFromCategory(
+      this.browser,
+      'Functions',
+      'procedures_defreturn',
+    );
+    await proceduresDefReturn.dragAndDrop({x: 300, y: 200});
+    const doSomething2 = await getSelectedBlockElement(this.browser);
+
+    // Drag out numeric
+    const mathNumeric = await getBlockTypeFromCategory(
+      this.browser,
+      'Math',
+      'math_number',
+    );
+    await mathNumeric.dragAndDrop({x: 50, y: 20});
+    const numeric = await getSelectedBlockElement(this.browser);
+
+    // Connect numeric to first procedure
+    await connect(this.browser, numeric, 'OUTPUT', doSomething, 'RETURN');
+
+    // Drag out doSomething caller from flyout.
+    const doSomethingFlyout = await getNthBlockOfCategory(
+      this.browser,
+      'Functions',
+      3,
+    );
+    await doSomethingFlyout.dragAndDrop({x: 50, y: 20});
+    const doSomethingCaller = await getSelectedBlockElement(this.browser);
+
+    // Connect the doSomething caller to doSomething2
+    await connect(
+      this.browser,
+      doSomethingCaller,
+      'OUTPUT',
+      doSomething2,
+      'RETURN',
+    );
+
+    // Drag out print from flyout.
+    const printFlyout = await getBlockTypeFromCategory(
+      this.browser,
+      'Text',
+      'text_print',
+    );
+    await printFlyout.dragAndDrop({x: 50, y: 20});
+    const print = await getSelectedBlockElement(this.browser);
+
+    // Drag out doSomething2 caller from flyout.
+    const doSomething2Flyout = await getNthBlockOfCategory(
+      this.browser,
+      'Functions',
+      4,
+    );
+    await doSomething2Flyout.dragAndDrop({x: 130, y: 20});
+    const doSomething2Caller = await getSelectedBlockElement(this.browser);
+
+    // Connect doSomething2 caller with print.
+    await connect(this.browser, doSomething2Caller, 'OUTPUT', print, 'TEXT');
+
+    // Click run button and verify the number is 123
+    const runButton = await this.browser.$('#runButton');
+    runButton.click();
+    await this.browser.pause(PAUSE_TIME);
+    const alertText = await this.browser.getAlertText(); // get the alert text
+    chai.assert.equal(alertText, '123');
+    await this.browser.acceptAlert();
+  });
+});
diff --git a/tests/browser/test/test_setup.js b/tests/browser/test/test_setup.js
new file mode 100644
index 00000000000..a07b274e4d1
--- /dev/null
+++ b/tests/browser/test/test_setup.js
@@ -0,0 +1,598 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Node.js script to run automated functional tests in
+ * Chrome, via webdriver.
+ *
+ * This file is to be used in the suiteSetup for any automated fuctional test.
+ *
+ * Note: In this file many functions return browser elements that can
+ * be clicked or otherwise interacted with through Selenium WebDriver. These
+ * elements are not the raw HTML and SVG elements on the page; they are
+ * identifiers that Selenium can use to find those elements.
+ */
+
+const webdriverio = require('webdriverio');
+const path = require('path');
+const {posixPath} = require('../../../scripts/helpers');
+
+let driver = null;
+
+/**
+ * The default amount of time to wait during a test. Increase this to make
+ * tests easier to watch; decrease it to make tests run faster.
+ */
+const PAUSE_TIME = 50;
+
+/**
+ * Start up the test page. This should only be done once, to avoid
+ * constantly popping browser windows open and closed.
+ * @return A Promsie that resolves to a webdriverIO browser that tests can manipulate.
+ */
+async function driverSetup() {
+  const options = {
+    capabilities: {
+      'browserName': 'chrome',
+      'goog:chromeOptions': {
+        args: ['--allow-file-access-from-files'],
+      },
+    },
+    logLevel: 'warn',
+  };
+
+  // Run in headless mode on Github Actions.
+  if (process.env.CI) {
+    options.capabilities['goog:chromeOptions'].args.push(
+      '--headless',
+      '--no-sandbox',
+      '--disable-dev-shm-usage',
+    );
+  } else {
+    // --disable-gpu is needed to prevent Chrome from hanging on Linux with
+    // NVIDIA drivers older than v295.20. See
+    // https://github.com/google/blockly/issues/5345 for details.
+    options.capabilities['goog:chromeOptions'].args.push('--disable-gpu');
+  }
+  // Use Selenium to bring up the page
+  console.log('Starting webdriverio...');
+  driver = await webdriverio.remote(options);
+  return driver;
+}
+
+/**
+ * End the webdriverIO session.
+ * @return A Promise that resolves after the actions have been completed.
+ */
+async function driverTeardown() {
+  await driver.deleteSession();
+  driver = null;
+  return;
+}
+
+/**
+ * Navigate to the correct URL for the test, using the shared driver.
+ * @param {string} playgroundUrl The URL to open for the test, which should be
+ *     a Blockly playground with a workspace.
+ * @return A Promsie that resolves to a webdriverIO browser that tests can manipulate.
+ */
+async function testSetup(playgroundUrl) {
+  if (!driver) {
+    await driverSetup();
+  }
+  await driver.url(playgroundUrl);
+  // Wait for the workspace to exist and be rendered.
+  await driver
+    .$('.blocklySvg .blocklyWorkspace > .blocklyBlockCanvas')
+    .waitForExist({timeout: 2000});
+  return driver;
+}
+
+const testFileLocations = {
+  BLOCK_FACTORY:
+    'file://' +
+    posixPath(path.join(__dirname, '..', '..', '..', 'demos', 'blockfactory')) +
+    '/index.html',
+  CODE_DEMO:
+    'file://' +
+    posixPath(path.join(__dirname, '..', '..', '..', 'demos', 'code')) +
+    '/index.html',
+  PLAYGROUND:
+    'file://' +
+    posixPath(path.join(__dirname, '..', '..')) +
+    '/playground.html',
+  PLAYGROUND_RTL:
+    'file://' +
+    posixPath(path.join(__dirname, '..', '..')) +
+    '/playground.html?dir=rtl',
+};
+
+/**
+ * Enum for both LTR and RTL use cases.
+ *
+ * @readonly
+ * @enum {number}
+ */
+const screenDirection = {
+  RTL: -1,
+  LTR: 1,
+};
+
+/**
+ * @param browser The active WebdriverIO Browser object.
+ * @return A Promise that resolves to the ID of the currently selected block.
+ */
+async function getSelectedBlockId(browser) {
+  return await browser.execute(() => {
+    // Note: selected is an ICopyable and I am assuming that it is a BlockSvg.
+    return Blockly.common.getSelected()?.id;
+  });
+}
+
+/**
+ * @param browser The active WebdriverIO Browser object.
+ * @return A Promise that resolves to the selected block's root SVG element,
+ *     as an interactable browser element.
+ */
+async function getSelectedBlockElement(browser) {
+  const id = await getSelectedBlockId(browser);
+  return getBlockElementById(browser, id);
+}
+
+/**
+ * @param browser The active WebdriverIO Browser object.
+ * @param id The ID of the Blockly block to search for.
+ * @return A Promise that resolves to the root SVG element of the block with
+ *     the given ID, as an interactable browser element.
+ */
+async function getBlockElementById(browser, id) {
+  const elem = await browser.$(`[data-id="${id}"]`);
+  elem['id'] = id;
+  return elem;
+}
+
+/**
+ * Find a clickable element on the block and click it.
+ * We can't always use the block's SVG root because clicking will always happen
+ * in the middle of the block's bounds (including children) by default, which
+ * causes problems if it has holes (e.g. statement inputs). Instead, this tries
+ * to get the first text field on the block. It falls back on the block's SVG root.
+ * @param browser The active WebdriverIO Browser object.
+ * @param block The block to click, as an interactable element.
+ * @param clickOptions The options to pass to webdriverio's element.click function.
+ * @return A Promise that resolves when the actions are completed.
+ */
+async function clickBlock(browser, block, clickOptions) {
+  const findableId = 'clickTargetElement';
+  // In the browser context, find the element that we want and give it a findable ID.
+  await browser.execute(
+    (blockId, newElemId) => {
+      const block = Blockly.getMainWorkspace().getBlockById(blockId);
+      for (const input of block.inputList) {
+        for (const field of input.fieldRow) {
+          if (field instanceof Blockly.FieldLabel) {
+            field.getSvgRoot().id = newElemId;
+            return;
+          }
+        }
+      }
+      // No label field found. Fall back to the block's SVG root.
+      block.getSvgRoot().id = findableId;
+    },
+    block.id,
+    findableId,
+  );
+
+  // In the test context, get the Webdriverio Element that we've identified.
+  const elem = await browser.$(`#${findableId}`);
+
+  await elem.click(clickOptions);
+
+  // In the browser context, remove the ID.
+  await browser.execute((elemId) => {
+    const clickElem = document.getElementById(elemId);
+    clickElem.removeAttribute('id');
+  }, findableId);
+}
+
+/**
+ * Clicks on the svg root of the main workspace.
+ * @param browser The active WebdriverIO Browser object.
+ * @return A Promise that resolves when the actions are completed.
+ */
+async function clickWorkspace(browser) {
+  const workspace = await browser.$('#blocklyDiv > div > svg.blocklySvg > g');
+  await workspace.click();
+  await browser.pause(PAUSE_TIME);
+}
+
+/**
+ * Clicks on the svg root of the first mutator workspace found.
+ * @param browser The active WebdriverIO Browser object.
+ * @return A Promise that resolves when the actions are completed.
+ * @throws If the mutator workspace cannot be found.
+ */
+async function clickMutatorWorkspace(browser) {
+  const hasMutator = await browser.$('.blocklyMutatorBackground');
+  if (!hasMutator) {
+    throw new Error('No mutator workspace found');
+  }
+  const workspace = await browser
+    .$('.blocklyMutatorBackground')
+    .closest('g.blocklyWorkspace');
+  await workspace.click();
+  await browser.pause(PAUSE_TIME);
+}
+
+/**
+ * @param browser The active WebdriverIO Browser object.
+ * @param categoryName The name of the toolbox category to find.
+ * @return A Promise that resolves to the root element of the toolbox
+ *     category with the given name, as an interactable browser element.
+ * @throws If the category cannot be found.
+ */
+async function getCategory(browser, categoryName) {
+  const category = browser.$(`.blocklyToolboxCategory*=${categoryName}`);
+  category.waitForExist();
+
+  return await category;
+}
+
+/**
+ * @param browser The active WebdriverIO Browser object.
+ * @param categoryName The name of the toolbox category to search.
+ * @param n Which block to select, 0-indexed from the top of the category.
+ * @return A Promise that resolves to the root element of the nth
+ *     block in the given category.
+ */
+async function getNthBlockOfCategory(browser, categoryName, n) {
+  const category = await getCategory(browser, categoryName);
+  await category.click();
+  const block = await browser.$(
+    `.blocklyFlyout .blocklyBlockCanvas > g:nth-child(${3 + n * 2})`,
+  );
+  return block;
+}
+
+/**
+ * @param browser The active WebdriverIO Browser object.
+ * @param categoryName The name of the toolbox category to search.
+ *     Null if the toolbox has no categories (simple).
+ * @param blockType The type of the block to search for.
+ * @return A Promise that resolves to the root element of the first
+ *     block with the given type in the given category.
+ */
+async function getBlockTypeFromCategory(browser, categoryName, blockType) {
+  if (categoryName) {
+    const category = await getCategory(browser, categoryName);
+    await category.click();
+  }
+
+  const id = await browser.execute((blockType) => {
+    return Blockly.getMainWorkspace()
+      .getFlyout()
+      .getWorkspace()
+      .getBlocksByType(blockType)[0].id;
+  }, blockType);
+  return getBlockElementById(browser, id);
+}
+
+/**
+ * @param browser The active WebdriverIO Browser object.
+ * @param blockType The type of the block to search for in the workspace.
+ * @param position The the position of the block type on the workspace.
+ * @return A Promise that resolves to the root element of the block with the
+ *     given position and type on the workspace.
+ */
+async function getBlockTypeFromWorkspace(browser, blockType, position) {
+  const id = await browser.execute(
+    (blockType, position) => {
+      return Blockly.getMainWorkspace().getBlocksByType(blockType, true)[
+        position
+      ].id;
+    },
+    blockType,
+    position,
+  );
+  return getBlockElementById(browser, id);
+}
+
+/**
+ * @param browser The active WebdriverIO Browser object.
+ * @param id The ID of the block the connection is on.
+ * @param connectionName Which connection to return. An input name to
+ *     get a value or statement connection, and otherwise the type of
+ *     the connection.
+ * @param mutatorBlockId The block that holds the mutator icon or null if the target block is on the main workspace
+ * @return A Promise that resolves to the location of the specific
+ *     connection in screen coordinates.
+ */
+async function getLocationOfBlockConnection(
+  browser,
+  id,
+  connectionName,
+  mutatorBlockId,
+) {
+  return await browser.execute(
+    (id, connectionName, mutatorBlockId) => {
+      let block;
+      if (mutatorBlockId) {
+        block = Blockly.getMainWorkspace()
+          .getBlockById(mutatorBlockId)
+          .mutator.getWorkspace()
+          .getBlockById(id);
+      } else {
+        block = Blockly.getMainWorkspace().getBlockById(id);
+      }
+
+      let connection;
+      switch (connectionName) {
+        case 'OUTPUT':
+          connection = block.outputConnection;
+          break;
+        case 'PREVIOUS':
+          connection = block.previousConnection;
+          break;
+        case 'NEXT':
+          connection = block.nextConnection;
+          break;
+        default:
+          connection = block.getInput(connectionName).connection;
+          break;
+      }
+
+      const loc = Blockly.utils.Coordinate.sum(
+        block.getRelativeToSurfaceXY(),
+        connection.getOffsetInBlock(),
+      );
+      return Blockly.utils.svgMath.wsToScreenCoordinates(
+        Blockly.getMainWorkspace(),
+        loc,
+      );
+    },
+    id,
+    connectionName,
+    mutatorBlockId,
+  );
+}
+
+/**
+ * Drags a block toward another block so that the specified connections attach.
+ *
+ * @param browser The active WebdriverIO Browser object.
+ * @param draggedBlock The block to drag.
+ * @param draggedConnection The active connection on the block being dragged.
+ * @param targetBlock The block to drag to.
+ * @param targetConnection The connection to connect to on the target block.
+ * @param mutatorBlockId The block that holds the mutator icon or null if the
+ *     target block is on the main workspace
+ * @param dragBlockSelector The selector of the block to drag
+ * @return A Promise that resolves when the actions are completed.
+ */
+async function connect(
+  browser,
+  draggedBlock,
+  draggedConnection,
+  targetBlock,
+  targetConnection,
+  mutatorBlockId,
+  dragBlockSelector,
+) {
+  const draggedLocation = await getLocationOfBlockConnection(
+    browser,
+    draggedBlock.id,
+    draggedConnection,
+    mutatorBlockId,
+  );
+  const targetLocation = await getLocationOfBlockConnection(
+    browser,
+    targetBlock.id,
+    targetConnection,
+    mutatorBlockId,
+  );
+
+  const delta = {
+    x: Math.round(targetLocation.x - draggedLocation.x),
+    y: Math.round(targetLocation.y - draggedLocation.y),
+  };
+  if (mutatorBlockId) {
+    await dragBlockSelector.dragAndDrop(delta);
+  } else {
+    await draggedBlock.dragAndDrop(delta);
+  }
+}
+
+/**
+ * Switch the playground to RTL mode.
+ *
+ * @param browser The active WebdriverIO Browser object.
+ * @return A Promise that resolves when the actions are completed.
+ */
+async function switchRTL(browser) {
+  const ltrForm = await browser.$('#options > select:nth-child(1)');
+  await ltrForm.selectByIndex(1);
+  await browser.pause(PAUSE_TIME + 450);
+}
+
+/**
+ * Drag the specified block from the flyout and return the root element
+ * of the block.
+ *
+ * @param browser The active WebdriverIO Browser object.
+ * @param categoryName The name of the toolbox category to search.
+ * @param n Which block to select, indexed from the top of the category.
+ * @param x The x-distance to drag, as a delta from the block's
+ *     initial location on screen.
+ * @param y The y-distance to drag, as a delta from the block's
+ *     initial location on screen.
+ * @return A Promise that resolves to the root element of the newly
+ *     created block.
+ */
+async function dragNthBlockFromFlyout(browser, categoryName, n, x, y) {
+  const flyoutBlock = await getNthBlockOfCategory(browser, categoryName, n);
+  await flyoutBlock.dragAndDrop({x: x, y: y});
+  return await getSelectedBlockElement(browser);
+}
+
+/**
+ * Drag the specified block from the flyout and return the root element
+ * of the block.
+ *
+ * @param browser The active WebdriverIO Browser object.
+ * @param categoryName The name of the toolbox category to search.
+ *     Null if the toolbox has no categories (simple).
+ * @param type The type of the block to search for.
+ * @param x The x-distance to drag, as a delta from the block's
+ *     initial location on screen.
+ * @param y The y-distance to drag, as a delta from the block's
+ *     initial location on screen.
+ * @return A Promise that resolves to the root element of the newly
+ *     created block.
+ */
+async function dragBlockTypeFromFlyout(browser, categoryName, type, x, y) {
+  const flyoutBlock = await getBlockTypeFromCategory(
+    browser,
+    categoryName,
+    type,
+  );
+  await flyoutBlock.dragAndDrop({x: x, y: y});
+  return await getSelectedBlockElement(browser);
+}
+
+/**
+ * Drags the specified block type from the mutator flyout of the given block and
+ * returns the root element of the block.
+ *
+ * @param browser The active WebdriverIO Browser object.
+ * @param mutatorBlock The block with the mutator attached that we want to drag
+ *     a block from.
+ * @param type The type of the block to search for.
+ * @param x The x-distance to drag, as a delta from the block's
+ *     initial location on screen.
+ * @param y The y-distance to drag, as a delta from the block's
+ *     initial location on screen.
+ * @return A Promise that resolves to the root element of the newly
+ *     created block.
+ */
+async function dragBlockFromMutatorFlyout(browser, mutatorBlock, type, x, y) {
+  const id = await browser.execute(
+    (mutatorBlockId, blockType) => {
+      return Blockly.getMainWorkspace()
+        .getBlockById(mutatorBlockId)
+        .mutator.getWorkspace()
+        .getFlyout()
+        .getWorkspace()
+        .getBlocksByType(blockType)[0].id;
+    },
+    mutatorBlock.id,
+    type,
+  );
+  const flyoutBlock = await getBlockElementById(browser, id);
+  await flyoutBlock.dragAndDrop({x: x, y: y});
+  return await getSelectedBlockElement(browser);
+}
+
+/**
+ * Right-click on the specified block, then click on the specified
+ * context menu item.
+ *
+ * @param browser The active WebdriverIO Browser object.
+ * @param block The block to click, as an interactable element. This block should
+ *    have text on it, because we use the text element as the click target.
+ * @param itemText The display text of the context menu item to click.
+ * @return A Promise that resolves when the actions are completed.
+ */
+async function contextMenuSelect(browser, block, itemText) {
+  await clickBlock(browser, block, {button: 2});
+
+  const item = await browser.$(`div=${itemText}`);
+  await item.waitForExist();
+  await item.click();
+
+  await browser.pause(PAUSE_TIME);
+}
+
+/**
+ * Opens the mutator bubble for the given block.
+ *
+ * @param browser The active WebdriverIO Browser object.
+ * @param block The block to click, as an interactable element.
+ * @return A Promise that resolves when the actions are complete.
+ */
+async function openMutatorForBlock(browser, block) {
+  const icon = await browser.$(`[data-id="${block.id}"] > g.blocklyIconGroup`);
+  await icon.click();
+}
+
+/**
+ * Get all blocks on the main workspace.  Because the blocks have circular
+ * references that can't be JSON-encoded they can't be returned directly, so
+ * extract relevant properties only.
+ *
+ * @param browser The active WebdriverIO Browser object.
+ * @return A Promise that resolves to an array of blocks on the main workspace.
+ */
+async function getAllBlocks(browser) {
+  return browser.execute(() => {
+    return Blockly.getMainWorkspace()
+      .getAllBlocks(false)
+      .map((block) => ({
+        type: block.type,
+        id: block.id,
+      }));
+  });
+}
+
+/**
+ * Find the flyout's scrollbar and scroll by the specified amount.
+ * This makes several assumptions:
+ *  - A flyout with a valid scrollbar exists, is open, and is in view.
+ *  - The workspace has a trash can, which means it has a second (hidden) flyout.
+ * @param browser The active WebdriverIO Browser object.
+ * @param xDelta How far to drag the flyout in the x direction. Positive is right.
+ * @param yDelta How far to drag the flyout in the y direction. Positive is down.
+ * @return A Promise that resolves when the actions are completed.
+ */
+async function scrollFlyout(browser, xDelta, yDelta) {
+  // There are two flyouts on the playground workspace: one for the trash can
+  // and one for the toolbox. We want the second one.
+  // This assumes there is only one scrollbar handle in the flyout, but it could
+  // be either horizontal or vertical.
+  await browser.pause(PAUSE_TIME);
+  const scrollbarHandle = await browser
+    .$$(`.blocklyFlyoutScrollbar`)[1]
+    .$(`rect.blocklyScrollbarHandle`);
+  await scrollbarHandle.dragAndDrop({x: xDelta, y: yDelta});
+  await browser.pause(PAUSE_TIME);
+}
+
+module.exports = {
+  testSetup,
+  testFileLocations,
+  driverSetup,
+  driverTeardown,
+  getSelectedBlockElement,
+  getSelectedBlockId,
+  getBlockElementById,
+  clickBlock,
+  clickWorkspace,
+  clickMutatorWorkspace,
+  getCategory,
+  getNthBlockOfCategory,
+  getBlockTypeFromCategory,
+  dragNthBlockFromFlyout,
+  dragBlockTypeFromFlyout,
+  dragBlockFromMutatorFlyout,
+  connect,
+  switchRTL,
+  contextMenuSelect,
+  openMutatorForBlock,
+  screenDirection,
+  getBlockTypeFromWorkspace,
+  getAllBlocks,
+  scrollFlyout,
+  PAUSE_TIME,
+};
diff --git a/tests/browser/test/toolbox_drag_test.js b/tests/browser/test/toolbox_drag_test.js
new file mode 100644
index 00000000000..14a9f0836db
--- /dev/null
+++ b/tests/browser/test/toolbox_drag_test.js
@@ -0,0 +1,207 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Tests for the dragging out of the toolbox and flyout.
+ */
+
+const chai = require('chai');
+const {
+  testSetup,
+  testFileLocations,
+  getCategory,
+  scrollFlyout,
+  screenDirection,
+  PAUSE_TIME,
+} = require('./test_setup');
+
+// Categories in the basic toolbox.
+const basicCategories = [
+  'Logic',
+  'Loops',
+  'Math',
+  'Text',
+  'Lists',
+  'Colour',
+  'Variables',
+  'Functions',
+];
+
+// Categories in the test blocks toolbox.
+const testCategories = [
+  'Align',
+  'Basic',
+  // Skip connections because it's an accordion that is already open.
+  // 'Connections',
+  'Row',
+  'Stack',
+  'Statement',
+  'Drag',
+  // Skip fields because it's an accordion that is already open.
+  // 'Fields',
+  'Defaults',
+  'Numbers',
+  'Angles',
+  'Drop-downs',
+  // Note: images has a block that has a bad image source, but still builds and renders
+  // just fine.
+  'Images',
+  'Emoji! o((*^ᴗ^*))o',
+  'Validators',
+  'Mutators',
+  'Style',
+  'Serialization',
+];
+
+/**
+ * Check whether an element is fully inside the bounds of the Blockly div. You can use this
+ * to determine whether a block on the workspace or flyout is inside the Blockly div.
+ * This does not check whether there are other Blockly elements (such as a toolbox or
+ * flyout) on top of the element. A partially visible block is considered out of bounds.
+ * @param browser The active WebdriverIO Browser object.
+ * @param element The element to look for.
+ * @returns A Promise resolving to true if the element is in bounds and false otherwise.
+ */
+async function elementInBounds(browser, element) {
+  return await browser.execute((elem) => {
+    const rect = elem.getBoundingClientRect();
+
+    const blocklyDiv = document.getElementById('blocklyDiv');
+    const blocklyRect = blocklyDiv.getBoundingClientRect();
+
+    const vertInView =
+      rect.top >= blocklyRect.top && rect.bottom <= blocklyRect.bottom;
+    const horInView =
+      rect.left >= blocklyRect.left && rect.right <= blocklyRect.right;
+
+    return vertInView && horInView;
+  }, element);
+}
+
+/**
+ * Get how many top-level blocks there are in the specified category.
+ * @param browser The active WebdriverIO Browser object.
+ * @param categoryName The name of the category to inspect.
+ * @returns A Promise resolving to the number of top-level blocks in the specified
+ *     category's flyout.
+ */
+async function getBlockCount(browser, categoryName) {
+  const category = await getCategory(browser, categoryName);
+  await category.click();
+  await browser.pause(PAUSE_TIME);
+
+  const blockCount = await browser.execute(() => {
+    return Blockly.getMainWorkspace()
+      .getFlyout()
+      .getWorkspace()
+      .getTopBlocks(false).length;
+  });
+
+  // Unicode escape to close flyout.
+  await browser.keys(['\uE00C']);
+  await browser.pause(PAUSE_TIME);
+  return blockCount;
+}
+
+/**
+ * Check whether the block at the given index in the flyout is disabled.
+ * @param browser The active WebdriverIO Browser object.
+ * @param i The index of the block in the currently open flyout.
+ * @returns A Promise resolving to true if the ith block in the flyout is
+ *     disabled, and false otherwise.
+ */
+async function isBlockDisabled(browser, i) {
+  return await browser.execute((n) => {
+    return !Blockly.getMainWorkspace()
+      .getFlyout()
+      .getWorkspace()
+      .getTopBlocks()
+      [n].isEnabled();
+  }, i);
+}
+
+/**
+ * Loop over a list of categories and click on each one to open it.
+ * @param browser The WebdriverIO Browser instance for this test.
+ * @param categoryList An array of category names, as strings.
+ * @param directionMultiplier 1 for LTR and -1 for RTL.
+ * @returns A Promise that resolves when all actions have finished.
+ */
+async function openCategories(browser, categoryList, directionMultiplier) {
+  let failureCount = 0;
+  for (const categoryName of categoryList) {
+    const blockCount = await getBlockCount(browser, categoryName);
+
+    try {
+      for (let i = 0; i < blockCount; i++) {
+        const category = await getCategory(browser, categoryName);
+        await category.click();
+        if (await isBlockDisabled(browser, i)) {
+          // Unicode escape to close flyout.
+          await browser.keys(['\uE00C']);
+          await browser.pause(PAUSE_TIME);
+          continue;
+        }
+        const flyoutBlock = await browser.$(
+          `.blocklyFlyout .blocklyBlockCanvas > g:nth-child(${3 + i * 2})`,
+        );
+        while (!(await elementInBounds(browser, flyoutBlock))) {
+          await scrollFlyout(browser, 0, 50);
+        }
+
+        await flyoutBlock.dragAndDrop({x: directionMultiplier * 50, y: 0});
+        await browser.pause(PAUSE_TIME);
+        // Should be one top level block on the workspace.
+        const topBlockCount = await browser.execute(() => {
+          return Blockly.getMainWorkspace().getTopBlocks(false).length;
+        });
+
+        if (topBlockCount != 1) {
+          failureCount++;
+          console.log(`fail: block ${i} in category ${categoryName}`);
+        }
+
+        // Clean up between blocks so they can't interact with each other.
+        await browser.execute(() => {
+          Blockly.getMainWorkspace().clear();
+        });
+        await browser.pause(PAUSE_TIME);
+      }
+    } catch (e) {
+      failureCount++;
+      throw e;
+    }
+  }
+  chai.assert.equal(failureCount, 0);
+}
+
+suite('Open toolbox categories', function () {
+  this.timeout(0);
+
+  test('opening every toolbox category in the category toolbox in LTR', async function () {
+    this.browser = await testSetup(testFileLocations.PLAYGROUND);
+    await openCategories(this.browser, basicCategories, screenDirection.LTR);
+  });
+
+  test('opening every toolbox category in the category toolbox in RTL', async function () {
+    this.browser = await testSetup(testFileLocations.PLAYGROUND_RTL);
+    await openCategories(this.browser, basicCategories, screenDirection.RTL);
+  });
+
+  test('opening every toolbox category in the test toolbox in LTR', async function () {
+    this.browser = await testSetup(
+      testFileLocations.PLAYGROUND + '?toolbox=test-blocks',
+    );
+    await openCategories(this.browser, testCategories, screenDirection.LTR);
+  });
+
+  test('opening every toolbox category in the test toolbox in RTL', async function () {
+    this.browser = await testSetup(
+      testFileLocations.PLAYGROUND + '?toolbox=test-blocks&dir=rtl',
+    );
+    await openCategories(this.browser, testCategories, screenDirection.RTL);
+  });
+});
diff --git a/tests/browser/test/workspace_comment_test.js b/tests/browser/test/workspace_comment_test.js
new file mode 100644
index 00000000000..b6adfebcd20
--- /dev/null
+++ b/tests/browser/test/workspace_comment_test.js
@@ -0,0 +1,224 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+const chai = require('chai');
+const sinon = require('sinon');
+const {Key} = require('webdriverio');
+const {testSetup, testFileLocations} = require('./test_setup');
+
+suite('Workspace comments', function () {
+  // Setting timeout to unlimited as the webdriver takes a longer time
+  // to run than most mocha test
+  this.timeout(0);
+
+  suiteSetup(async function () {
+    this.browser = await testSetup(
+      testFileLocations.PLAYGROUND + '?toolbox=test-blocks',
+    );
+  });
+
+  teardown(async function () {
+    sinon.restore();
+
+    await this.browser.execute(() => {
+      Blockly.getMainWorkspace().clear();
+    });
+  });
+
+  async function createComment(browser) {
+    return await browser.execute(() => {
+      const comment = new Blockly.comments.RenderedWorkspaceComment(
+        Blockly.getMainWorkspace(),
+      );
+      return comment.id;
+    });
+  }
+
+  async function hasClass(elem, className) {
+    return (await elem.getAttribute('class')).split(' ').includes(className);
+  }
+
+  suite('Collapsing and uncollapsing', function () {
+    async function isCommentCollapsed(browser, id) {
+      return await browser.execute(
+        (id) => Blockly.getMainWorkspace().getCommentById(id).isCollapsed(),
+        id,
+      );
+    }
+
+    suite('Collapsing', function () {
+      test('collapsing updates the collapse value', async function () {
+        const commentId = await createComment(this.browser);
+
+        const foldout = await this.browser.$(
+          '.blocklyComment .blocklyFoldoutIcon',
+        );
+        await foldout.click();
+
+        chai.assert.isTrue(
+          await isCommentCollapsed(this.browser, commentId),
+          'Expected the comment to be collapsed',
+        );
+      });
+
+      test('collapsing adds the css class', async function () {
+        await createComment(this.browser);
+
+        const foldout = await this.browser.$(
+          '.blocklyComment .blocklyFoldoutIcon',
+        );
+        await foldout.click();
+
+        const comment = await this.browser.$('.blocklyComment');
+        chai.assert.isTrue(
+          await hasClass(comment, 'blocklyCollapsed'),
+          'Expected the comment to have the blocklyCollapsed class',
+        );
+      });
+    });
+
+    suite('Uncollapsing', function () {
+      async function collapseComment(browser, id) {
+        await browser.execute((id) => {
+          Blockly.getMainWorkspace().getCommentById(id).setCollapsed(true);
+        }, id);
+      }
+
+      test('collapsing updates the collapse value', async function () {
+        const commentId = await createComment(this.browser);
+        await collapseComment(this.browser, commentId);
+
+        const foldout = await this.browser.$(
+          '.blocklyComment .blocklyFoldoutIcon',
+        );
+        await foldout.click();
+
+        chai.assert.isFalse(
+          await isCommentCollapsed(this.browser, commentId),
+          'Expected the comment to not be collapsed',
+        );
+      });
+
+      test('collapsing adds the css class', async function () {
+        const commentId = await createComment(this.browser);
+        await collapseComment(this.browser, commentId);
+
+        const foldout = await this.browser.$(
+          '.blocklyComment .blocklyFoldoutIcon',
+        );
+        await foldout.click();
+
+        const comment = await this.browser.$('.blocklyComment');
+        chai.assert.isFalse(
+          await hasClass(comment, 'blocklyCollapsed'),
+          'Expected the comment to not have the blocklyCollapsed class',
+        );
+      });
+    });
+  });
+
+  suite('Deleting', function () {
+    async function makeDeleteVisible(browser, commentId) {
+      await browser.execute((id) => {
+        document.querySelector(
+          '.blocklyComment .blocklyDeleteIcon',
+        ).style.display = 'block';
+        const comment = Blockly.getMainWorkspace().getCommentById(id);
+        comment.setSize(comment.getSize());
+      }, commentId);
+    }
+
+    async function commentIsDisposed(browser, commentId) {
+      return await browser.execute(
+        (id) => !Blockly.getMainWorkspace().getCommentById(id),
+        commentId,
+      );
+    }
+
+    test('deleting disposes of comment', async function () {
+      const commentId = await createComment(this.browser);
+      await makeDeleteVisible(this.browser, commentId);
+
+      const deleteIcon = await this.browser.$(
+        '.blocklyComment .blocklyDeleteIcon',
+      );
+      await deleteIcon.click();
+
+      chai.assert.isTrue(
+        await commentIsDisposed(this.browser, commentId),
+        'Expected the comment model to be disposed',
+      );
+    });
+
+    test('deleting disposes of DOM elements', async function () {
+      const commentId = await createComment(this.browser);
+      await makeDeleteVisible(this.browser, commentId);
+
+      const deleteIcon = await this.browser.$(
+        '.blocklyComment .blocklyDeleteIcon',
+      );
+      await deleteIcon.click();
+
+      chai.assert.isFalse(
+        await this.browser.$('.blocklyComment').isExisting(),
+        'Expected the comment DOM elements to not exist',
+      );
+    });
+  });
+
+  suite('Typing', function () {
+    async function getCommentText(browser, id) {
+      return await browser.execute(
+        (id) => Blockly.getMainWorkspace().getCommentById(id).getText(),
+        id,
+      );
+    }
+
+    test('typing updates the text value', async function () {
+      const commentId = await createComment(this.browser);
+
+      const textArea = await this.browser.$('.blocklyComment .blocklyTextarea');
+      await textArea.addValue('test text');
+      // Deselect text area to fire browser change event.
+      await this.browser.$('.blocklyWorkspace').click();
+
+      chai.assert.equal(
+        await getCommentText(this.browser, commentId),
+        'test text',
+        'Expected the comment model text to match the entered text',
+      );
+    });
+  });
+
+  suite('Resizing', function () {
+    async function getCommentSize(browser, id) {
+      return await browser.execute(
+        (id) => Blockly.getMainWorkspace().getCommentById(id).getSize(),
+        id,
+      );
+    }
+
+    test('resizing updates the size value', async function () {
+      const commentId = await createComment(this.browser);
+      const origSize = await getCommentSize(this.browser, commentId);
+      const delta = {x: 20, y: 20};
+
+      const resizeHandle = await this.browser.$(
+        '.blocklyComment .blocklyResizeHandle',
+      );
+      await resizeHandle.dragAndDrop(delta);
+
+      chai.assert.deepEqual(
+        await getCommentSize(this.browser, commentId),
+        {
+          width: origSize.width + delta.x,
+          height: origSize.height + delta.y,
+        },
+        'Expected the comment model size to match the resized size',
+      );
+    });
+  });
+});
diff --git a/tests/compile/compile.sh b/tests/compile/compile.sh
deleted file mode 100755
index c916eba5aa7..00000000000
--- a/tests/compile/compile.sh
+++ /dev/null
@@ -1,114 +0,0 @@
-#!/bin/bash
-#
-# Deprecation warning: (July 2020)
-# This advanced compilation test script has been deprecated in favour of
-#   npm run test:compile:advanced
-#
-# The script will be removed from Blockly core in Q4 of 2020.
-#
-echo "Deprecation warning: (July 2020)"
-echo "This advanced compilation test script has been deprecated in favour of"
-echo "  npm run test:compile:advanced"
-echo ""
-echo "The script will be removed from Blockly core in Q4 of 2020."
-echo ""
-
-echo "Executing compile.sh from $(pwd)"
-
-# Find the Blockly project root if pwd is the root
-# or if pwd is the directory containing this script.
-if [ -f ./main.js ] && [ -f ./compile.sh ]; then
-  BLOCKLY_ROOT="../.."
-elif [ -f tests/compile/compile.sh ]; then
-  BLOCKLY_ROOT="."
-else
-  echo "ERROR: Cannot determine BLOCKLY_ROOT" 1>&2;
-  exit 1
-fi
-
-# Test for npm and node_modules directory.
-if command -v npm >/dev/null 2>&1; then
-  NODE_MODULES=$(npm root)
-  # npm root will invent a location based on pwd if it can't find
-  # one, such as when the project has not been `npm install`ed.
-  # Clear the variable if the directory doesn't already exist.
-  [[ ! -d $NODE_MODULES ]] && NODE_MODULES=""
-fi
-
-# Find the Closure Compiler.
-if [ -n $NODE_MODULES ] && \
-  [ -s $NODE_MODULES/google-closure-compiler-java/compiler.jar ]; then
-  COMPILER=$NODE_MODULES/google-closure-compiler-java/compiler.jar
-  echo "Found npm google-closure-compiler:"
-  echo "  $COMPILER"
-  npm list google-closure-compiler | grep google-closure-compiler
-else
-  COMPILER_JARS=$(find $BLOCKLY_ROOT/tests/compile/ -maxdepth 1 -name "*compiler*.jar")
-  if [ -n "$COMPILER_JARS" ]; then
-    if [ $(echo "$COMPILER_JARS" | wc -l) -ne 1 ]; then
-      echo "ERROR: Found too many Closure *compiler*.jar files:" 1>&2;
-      echo "$COMPILER_JARS" 1>&2;
-      exit 1
-    fi
-    COMPILER=$COMPILER_JARS
-    echo "Found local Closure compiler .jar:"
-    echo "  $COMPILER"
-  else
-    echo "ERROR: Closure Compiler not found." 1>&2;
-    echo "Either npm install google-closure-compiler" 1>&2;
-    echo "Or download from this URL, and place jar file in current directory." 1>&2;
-    echo "https://dl.google.com/closure-compiler/compiler-latest.zip" 1>&2;
-    exit 1
-  fi
-fi
-
-if [ -f "$BLOCKLY_ROOT/tests/compile/main_compressed.js" ]; then
-  echo "Removing previous output."
-  rm "$BLOCKLY_ROOT/tests/compile/main_compressed.js"
-fi
-
-tempPath="$BLOCKLY_ROOT/temp_core"
-corePath="$BLOCKLY_ROOT/core/*"
-mkdir $tempPath
-cp $corePath $tempPath
-# Copy over all files in core and any subdirectories to the temp_core directory.
-for dir in "$corePath/" ; do
-  # For all files in the directory and any subdirectories rename them to
-  # include the subirectory name and copy them to temporary directory.
-  # Ex: subdir/file.js -> temp_core/subdir_file.js
-  for file in $(find $dir -name \*.js); do
-    # Replace all / with _ and remove core
-    newName="${file//\//_}"
-    newName="${newName//._core_/}"
-    newFilePath="$tempPath/$newName"
-    cp $file $newFilePath
-  done
-done
-
-echo "Compiling Blockly..."
-COMPILATION_COMMAND="java -jar $COMPILER --js='$BLOCKLY_ROOT/tests/compile/main.js' \
-  --js='$tempPath/**.js' \
-  --js='$BLOCKLY_ROOT/tests/blocks/**.js' \
-  --js='$BLOCKLY_ROOT/blocks/**.js' \
-  --js='$BLOCKLY_ROOT/generators/**.js' \
-  --generate_exports \
-  --externs $BLOCKLY_ROOT/externs/goog-externs.js \
-  --externs $BLOCKLY_ROOT/externs/svg-externs.js \
-  --compilation_level ADVANCED_OPTIMIZATIONS \
-  --language_in ECMASCRIPT5_STRICT \
-  --language_out ECMASCRIPT5_STRICT \
-  --dependency_mode=PRUNE --entry_point=Main \
-  --js_output_file $BLOCKLY_ROOT/tests/compile/main_compressed.js"
-echo "$COMPILATION_COMMAND"
-$COMPILATION_COMMAND
-EXIT_CODE=$?
-echo "Compiler exit code: $EXIT_CODE"
-if [ "$EXIT_CODE" -eq 0 ] && [ -s "$BLOCKLY_ROOT/tests/compile/main_compressed.js" ]; then
-  echo "Compilation SUCCESS."
-else
-  echo "Compilation FAIL."
-  exit 1
-fi
-
-# Cleanup temp_core directory
-rm -r $tempPath
diff --git a/tests/compile/index.html b/tests/compile/index.html
index 1ec1ce85a60..0c6ea998871 100644
--- a/tests/compile/index.html
+++ b/tests/compile/index.html
@@ -4,7 +4,7 @@
   <meta charset="utf-8">
   <title>Blockly: Advanced Compilation Test</title>
   <script src="main_compressed.js"></script>
-  <script src="../../msg/js/en.js"></script>
+  <script src="../../build/msg/en.js"></script>
   <style>
     body {
       background-color: #fff;
@@ -22,9 +22,8 @@
 <body>
   <h1>Blockly: Advanced Compilation Test</h1>
 
-  <p>To run this test manually, download
-  <a href="https://dl.google.com/closure-compiler/compiler-latest.zip">closure-compiler-vxxxxxxxx.jar</a>,
-  place it in this directory, then run compile.sh from the command line.</p>
+  <p>To run this test manually, run `npm run test:compile:advanced`
+  from the command line, then open this file in your web browser.</p>
 
   <p>Measure the size of main_compressed.js (295kb as of October 2017), then reload
   this page and see if Blockly works.</p>
diff --git a/tests/compile/main.js b/tests/compile/main.js
index e4e6445e797..9144c4d3bae 100644
--- a/tests/compile/main.js
+++ b/tests/compile/main.js
@@ -4,26 +4,50 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-goog.provide('Main');
+// Former goog.module ID: Main
+
 // Core
 // Either require 'Blockly.requires', or just the components you use:
-goog.require('Blockly');
-goog.require('Blockly.geras.Renderer');
-goog.require('Blockly.VerticalFlyout');
+/* eslint-disable-next-line no-unused-vars */
+// TODO: I think we need to make sure these get exported?
+// import type {BlocklyOptions} from '../../core/blockly_options.js';
+import {inject} from '../../build/src/core/inject.js';
+import {getMainWorkspace} from '../../build/src/core/common.js';
+import {Msg} from '../../build/src/core/msg.js';
+import '../../build/src/core/renderers/geras/renderer.js';
+import '../../build/src/core/flyout_vertical.js';
+
+// Needed to ensure internal monkey-patching of newBlock is done.
+import '../../build/src/core/blockly.js';
+
 // Blocks
-goog.require('Blockly.Constants.Logic');
-goog.require('Blockly.Constants.Loops');
-goog.require('Blockly.Constants.Math');
-goog.require('Blockly.Constants.Text');
-goog.require('Blockly.Constants.Lists');
-goog.require('Blockly.Constants.Colour');
-goog.require('Blockly.Constants.Variables');
-goog.require('Blockly.Constants.VariablesDynamic');
-goog.require('Blockly.Blocks.procedures');
-
-Main.init = function() {
-  Blockly.inject('blocklyDiv', {
-    'toolbox': document.getElementById('toolbox')
-  });
+import '../../build/src/blocks/logic.js';
+import '../../build/src/blocks/loops.js';
+import '../../build/src/blocks/math.js';
+import '../../build/src/blocks/text.js';
+import './test_blocks.js';
+
+
+function init() {
+  Object.assign(Msg, window['Blockly']['Msg']);
+  inject('blocklyDiv', /** @type {BlocklyOptions} */ ({
+           'toolbox': document.getElementById('toolbox')
+         }));
+}
+window.addEventListener('load', init);
+
+
+// Called externally from our test driver to see if Blockly loaded more or less
+// correctly.  This is not a comprehensive test, but it will catch catastrophic
+// fails (by far the most common cases).
+window['healthCheck'] = function() {
+  // Just check that we have a reasonable number of blocks in the flyout.
+  // Expecting 8 blocks, but leave a wide margin.
+  try {
+    const blockCount =
+        getMainWorkspace().getFlyout().getWorkspace().getTopBlocks().length;
+    return (blockCount > 5 && blockCount < 100);
+  } catch (_e) {
+    return false;
+  }
 };
-window.addEventListener('load', Main.init);
diff --git a/tests/compile/test_blocks.js b/tests/compile/test_blocks.js
new file mode 100644
index 00000000000..025357c7a95
--- /dev/null
+++ b/tests/compile/test_blocks.js
@@ -0,0 +1,47 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Test blocks for advanced compilation.
+ */
+
+// Former goog.module ID: testBlocks
+
+import {defineBlocksWithJsonArray}  from '../../build/src/core/common.js';
+
+defineBlocksWithJsonArray([
+    {
+      'type': 'test_style_hex1',
+      'message0': 'Block color: Bright purple %1 %2 %3 %4',
+      'args0': [
+        {
+          'type': 'field_input',
+          'name': 'TEXT',
+          'text': '#992aff',
+        },
+        {
+          'type': 'field_dropdown',
+          'name': 'DROPDOWN',
+          'options': [
+            ['option', 'ONE'],
+            ['option', 'TWO'],
+          ],
+        },
+        {
+          'type': 'field_checkbox',
+          'name': 'NAME',
+          'checked': true,
+        },
+        {
+          'type': 'input_value',
+          'name': 'NAME',
+        },
+      ],
+      'previousStatement': null,
+      'nextStatement': null,
+      'colour': '#992aff',
+    }
+]);
diff --git a/tests/compile/webdriver.js b/tests/compile/webdriver.js
new file mode 100644
index 00000000000..3e07ca23ec2
--- /dev/null
+++ b/tests/compile/webdriver.js
@@ -0,0 +1,81 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Node.js script to check the health of the compile test in
+ * Chrome, via webdriver.
+ */
+const webdriverio = require('webdriverio');
+
+
+/**
+ * Run the generator for a given language and save the results to a file.
+ * @param {Thenable} browser A Thenable managing the processing of the browser
+ *     tests.
+ */
+async function runHealthCheckInBrowser(browser) {
+  const result = await browser.execute(() => {
+      return healthCheck();
+  })
+  if (!result) throw Error('Health check failed in advanced compilation test.');
+  console.log('Health check completed successfully.');
+}
+
+/**
+ * Runs the generator tests in Chrome. It uses webdriverio to
+ * launch Chrome and load index.html. Outputs a summary of the test results
+ * to the console and outputs files for later validation.
+ * @return the Thenable managing the processing of the browser tests.
+ */
+async function runCompileCheckInBrowser() {
+  const options = {
+    capabilities: {
+      browserName: 'chrome',
+    },
+    logLevel: 'warn',
+  };
+  // Run in headless mode on Github Actions.
+  if (process.env.CI) {
+    options.capabilities['goog:chromeOptions'] = {
+      args: ['--headless', '--no-sandbox', '--disable-dev-shm-usage']
+    };
+  } else {
+    // --disable-gpu is needed to prevent Chrome from hanging on Linux with
+    // NVIDIA drivers older than v295.20. See
+    // https://github.com/google/blockly/issues/5345 for details.
+    options.capabilities['goog:chromeOptions'] = {
+      args: ['--disable-gpu']
+    };
+  }
+
+  const url = 'file://' + __dirname + '/index.html';
+
+  console.log('Starting webdriverio...');
+  const browser = await webdriverio.remote(options);
+  console.log('Loading url: ' + url);
+  await browser.url(url);
+
+  await runHealthCheckInBrowser(browser);
+
+  await browser.deleteSession();
+}
+
+if (require.main === module) {
+  runCompileCheckInBrowser().catch(e => {
+    console.error(e);
+    process.exit(1);
+  }).then(function(result) {
+    if (result) {
+      console.log('Compile test failed');
+      process.exit(1);
+    } else {
+      console.log('Compile test passed');
+      process.exit(0);
+    }
+  });
+}
+
+module.exports = {runCompileCheckInBrowser};
diff --git a/tests/generators/colour.xml b/tests/generators/colour.xml
deleted file mode 100644
index 05a9dee4856..00000000000
--- a/tests/generators/colour.xml
+++ /dev/null
@@ -1,318 +0,0 @@
-<xml xmlns="https://developers.google.com/blockly/xml">
-  <block type="procedures_defnoreturn" x="260" y="14">
-    <field name="NAME">test colour picker</field>
-    <comment pinned="false" h="80" w="160">Describe this function...</comment>
-    <statement name="STACK">
-      <block type="unittest_assertequals" inline="false">
-        <value name="MESSAGE">
-          <block type="text">
-            <field name="TEXT">static colour</field>
-          </block>
-        </value>
-        <value name="ACTUAL">
-          <block type="colour_picker">
-            <field name="COLOUR">#ff6600</field>
-          </block>
-        </value>
-        <value name="EXPECTED">
-          <block type="text">
-            <field name="TEXT">#ff6600</field>
-          </block>
-        </value>
-      </block>
-    </statement>
-  </block>
-  <block type="procedures_defnoreturn" x="630" y="13">
-    <field name="NAME">test rgb</field>
-    <comment pinned="false" h="80" w="160">Describe this function...</comment>
-    <statement name="STACK">
-      <block type="unittest_assertequals" inline="false">
-        <value name="MESSAGE">
-          <block type="text">
-            <field name="TEXT">from rgb</field>
-          </block>
-        </value>
-        <value name="ACTUAL">
-          <block type="colour_rgb" inline="false">
-            <value name="RED">
-              <block type="math_number">
-                <field name="NUM">100</field>
-              </block>
-            </value>
-            <value name="GREEN">
-              <block type="math_number">
-                <field name="NUM">40</field>
-              </block>
-            </value>
-            <value name="BLUE">
-              <block type="math_number">
-                <field name="NUM">0</field>
-              </block>
-            </value>
-          </block>
-        </value>
-        <value name="EXPECTED">
-          <block type="text">
-            <field name="TEXT">#ff6600</field>
-          </block>
-        </value>
-      </block>
-    </statement>
-  </block>
-  <block type="unittest_main" x="-5" y="49">
-    <field name="SUITE_NAME">Colour</field>
-    <statement name="DO">
-      <block type="procedures_callnoreturn">
-        <mutation name="test colour picker"></mutation>
-        <next>
-          <block type="procedures_callnoreturn">
-            <mutation name="test blend"></mutation>
-            <next>
-              <block type="procedures_callnoreturn">
-                <mutation name="test rgb"></mutation>
-                <next>
-                  <block type="procedures_callnoreturn">
-                    <mutation name="test colour random"></mutation>
-                  </block>
-                </next>
-              </block>
-            </next>
-          </block>
-        </next>
-      </block>
-    </statement>
-  </block>
-  <block type="procedures_defnoreturn" x="-7" y="223">
-    <field name="NAME">test colour random</field>
-    <comment pinned="false" h="80" w="160">Describe this function...</comment>
-    <statement name="STACK">
-      <block type="controls_repeat_ext" inline="true">
-        <value name="TIMES">
-          <block type="math_number">
-            <field name="NUM">100</field>
-          </block>
-        </value>
-        <statement name="DO">
-          <block type="variables_set" inline="false">
-            <field name="VAR">item</field>
-            <value name="VALUE">
-              <block type="colour_random"></block>
-            </value>
-            <next>
-              <block type="unittest_assertequals" inline="false">
-                <value name="MESSAGE">
-                  <block type="text_join">
-                    <mutation items="2"></mutation>
-                    <value name="ADD0">
-                      <block type="text">
-                        <field name="TEXT">length of random colour string: </field>
-                      </block>
-                    </value>
-                    <value name="ADD1">
-                      <block type="variables_get">
-                        <field name="VAR">item</field>
-                      </block>
-                    </value>
-                  </block>
-                </value>
-                <value name="ACTUAL">
-                  <block type="text_length" inline="false">
-                    <value name="VALUE">
-                      <block type="variables_get">
-                        <field name="VAR">item</field>
-                      </block>
-                    </value>
-                  </block>
-                </value>
-                <value name="EXPECTED">
-                  <block type="math_number">
-                    <field name="NUM">7</field>
-                  </block>
-                </value>
-                <next>
-                  <block type="unittest_assertequals" inline="false">
-                    <value name="MESSAGE">
-                      <block type="text_join">
-                        <mutation items="2"></mutation>
-                        <value name="ADD0">
-                          <block type="text">
-                            <field name="TEXT">format of random colour string: </field>
-                          </block>
-                        </value>
-                        <value name="ADD1">
-                          <block type="variables_get">
-                            <field name="VAR">item</field>
-                          </block>
-                        </value>
-                      </block>
-                    </value>
-                    <value name="ACTUAL">
-                      <block type="text_charAt">
-                        <mutation at="false"></mutation>
-                        <field name="WHERE">FIRST</field>
-                        <value name="VALUE">
-                          <block type="variables_get">
-                            <field name="VAR">item</field>
-                          </block>
-                        </value>
-                      </block>
-                    </value>
-                    <value name="EXPECTED">
-                      <block type="text">
-                        <field name="TEXT">#</field>
-                      </block>
-                    </value>
-                    <next>
-                      <block type="controls_for">
-                        <field name="VAR">i</field>
-                        <value name="FROM">
-                          <block type="math_number">
-                            <field name="NUM">1</field>
-                          </block>
-                        </value>
-                        <value name="TO">
-                          <block type="math_number">
-                            <field name="NUM">6</field>
-                          </block>
-                        </value>
-                        <statement name="DO">
-                          <block type="unittest_assertvalue" inline="false">
-                            <field name="EXPECTED">TRUE</field>
-                            <value name="MESSAGE">
-                              <block type="text_join">
-                                <mutation items="4"></mutation>
-                                <value name="ADD0">
-                                  <block type="text">
-                                    <field name="TEXT">contents of random colour string: </field>
-                                  </block>
-                                </value>
-                                <value name="ADD1">
-                                  <block type="variables_get">
-                                    <field name="VAR">item</field>
-                                  </block>
-                                </value>
-                                <value name="ADD2">
-                                  <block type="text">
-                                    <field name="TEXT"> at index: </field>
-                                  </block>
-                                </value>
-                                <value name="ADD3">
-                                  <block type="unittest_adjustindex">
-                                    <value name="INDEX">
-                                      <block type="variables_get">
-                                        <field name="VAR">i</field>
-                                      </block>
-                                    </value>
-                                  </block>
-                                </value>
-                              </block>
-                            </value>
-                            <value name="ACTUAL">
-                              <block type="logic_compare">
-                                <field name="OP">NEQ</field>
-                                <value name="A">
-                                  <block type="unittest_adjustindex">
-                                    <value name="INDEX">
-                                      <block type="math_number">
-                                        <field name="NUM">-1</field>
-                                      </block>
-                                    </value>
-                                  </block>
-                                </value>
-                                <value name="B">
-                                  <block type="text_indexOf" inline="false">
-                                    <field name="END">FIRST</field>
-                                    <value name="VALUE">
-                                      <block type="text">
-                                        <field name="TEXT">abcdefABDEF0123456789</field>
-                                      </block>
-                                    </value>
-                                    <value name="FIND">
-                                      <block type="text_charAt">
-                                        <mutation at="true"></mutation>
-                                        <field name="WHERE">FROM_START</field>
-                                        <value name="VALUE">
-                                          <block type="variables_get">
-                                            <field name="VAR">item</field>
-                                          </block>
-                                        </value>
-                                        <value name="AT">
-                                          <block type="unittest_adjustindex">
-                                            <value name="INDEX">
-                                              <block type="variables_get">
-                                                <field name="VAR">i</field>
-                                              </block>
-                                            </value>
-                                          </block>
-                                        </value>
-                                      </block>
-                                    </value>
-                                  </block>
-                                </value>
-                              </block>
-                            </value>
-                          </block>
-                        </statement>
-                      </block>
-                    </next>
-                  </block>
-                </next>
-              </block>
-            </next>
-          </block>
-        </statement>
-      </block>
-    </statement>
-  </block>
-  <block type="procedures_defnoreturn" x="638" y="213">
-    <field name="NAME">test blend</field>
-    <comment pinned="false" h="80" w="160">Describe this function...</comment>
-    <statement name="STACK">
-      <block type="unittest_assertequals" inline="false">
-        <value name="MESSAGE">
-          <block type="text">
-            <field name="TEXT">blend</field>
-          </block>
-        </value>
-        <value name="ACTUAL">
-          <block type="colour_blend" inline="false">
-            <value name="COLOUR1">
-              <block type="colour_picker">
-                <field name="COLOUR">#ff0000</field>
-              </block>
-            </value>
-            <value name="COLOUR2">
-              <block type="colour_rgb" inline="false">
-                <value name="RED">
-                  <block type="math_number">
-                    <field name="NUM">100</field>
-                  </block>
-                </value>
-                <value name="GREEN">
-                  <block type="math_number">
-                    <field name="NUM">40</field>
-                  </block>
-                </value>
-                <value name="BLUE">
-                  <block type="math_number">
-                    <field name="NUM">0</field>
-                  </block>
-                </value>
-              </block>
-            </value>
-            <value name="RATIO">
-              <block type="math_number">
-                <field name="NUM">0.4</field>
-              </block>
-            </value>
-          </block>
-        </value>
-        <value name="EXPECTED">
-          <block type="text">
-            <field name="TEXT">#ff2900</field>
-          </block>
-        </value>
-      </block>
-    </statement>
-  </block>
-</xml>
diff --git a/tests/generators/golden/generated.dart b/tests/generators/golden/generated.dart
index 4d438a0748c..f565ecae131 100644
--- a/tests/generators/golden/generated.dart
+++ b/tests/generators/golden/generated.dart
@@ -1,6 +1,6 @@
 import 'dart:math' as Math;
 
-var unittestResults, test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy;
+var unittestResults, test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy;
 
 String unittest_report() {
   // Create test report.
@@ -440,12 +440,16 @@ void test_number_properties() {
   unittest_assertequals(42 % 2 == 0, true, 'even');
   unittest_assertequals(42.1 % 2 == 1, false, 'odd');
   unittest_assertequals(math_isPrime(5), true, 'prime 5');
+  unittest_assertequals(math_isPrime(5 + 2), true, 'prime 5 + 2 (extra parentheses)');
   unittest_assertequals(math_isPrime(25), false, 'prime 25');
   unittest_assertequals(math_isPrime(-31.1), false, 'prime negative');
   unittest_assertequals(Math.pi % 1 == 0, false, 'whole');
   unittest_assertequals(double.infinity > 0, true, 'positive');
+  unittest_assertequals(5 + 2 > 0, true, '5 + 2 is positive (extra parentheses)');
   unittest_assertequals(-42 < 0, true, 'negative');
+  unittest_assertequals(3 + 2 < 0, false, '3 + 2 is negative (extra parentheses)');
   unittest_assertequals(42 % 2 == 0, true, 'divisible');
+  unittest_assertequals(!false, true, 'divisible by 0');
 }
 
 /// Tests the "round" block.
@@ -732,16 +736,16 @@ void test_get_text_complex() {
   unittest_assertequals((true ? get_Blockly() : null)[0], 'B', 'get first order complex');
   check_number_of_calls('get first order complex');
   number_of_calls = 0;
-  unittest_assertequals(text_get_from_end((get_Blockly()), 1), 'y', 'get last complex');
+  unittest_assertequals(text_get_from_end(get_Blockly(), 1), 'y', 'get last complex');
   check_number_of_calls('get last complex');
   number_of_calls = 0;
-  unittest_assertequals(text_get_from_end((true ? get_Blockly() : null), 1), 'y', 'get last order complex');
+  unittest_assertequals(text_get_from_end(true ? get_Blockly() : null, 1), 'y', 'get last order complex');
   check_number_of_calls('get last order complex');
   number_of_calls = 0;
-  unittest_assertequals(text.indexOf(text_random_letter((get_Blockly()))) + 1 > 0, true, 'get random complex');
+  unittest_assertequals(text.indexOf(text_random_letter(get_Blockly())) + 1 > 0, true, 'get random complex');
   check_number_of_calls('get random complex');
   number_of_calls = 0;
-  unittest_assertequals(text.indexOf(text_random_letter((true ? get_Blockly() : null))) + 1 > 0, true, 'get random order complex');
+  unittest_assertequals(text.indexOf(text_random_letter(true ? get_Blockly() : null)) + 1 > 0, true, 'get random order complex');
   check_number_of_calls('get random order complex');
   number_of_calls = 0;
   unittest_assertequals((get_Blockly())[2], 'o', 'get # complex');
@@ -750,11 +754,11 @@ void test_get_text_complex() {
   unittest_assertequals((true ? get_Blockly() : null)[((true ? 3 : null) - 1)], 'o', 'get # order complex');
   check_number_of_calls('get # order complex');
   number_of_calls = 0;
-  unittest_assertequals(text_get_from_end((get_Blockly()), 3), 'k', 'get #-end complex');
+  unittest_assertequals(text_get_from_end(get_Blockly(), 3), 'k', 'get #-end complex');
   check_number_of_calls('get #-end complex');
   number_of_calls = 0;
   // The order for index for #-end is addition because this will catch errors in generators where most perform the operation ... - index.
-  unittest_assertequals(text_get_from_end((true ? get_Blockly() : null), 0 + 3), 'k', 'get #-end order complex');
+  unittest_assertequals(text_get_from_end(true ? get_Blockly() : null, 0 + 3), 'k', 'get #-end order complex');
   check_number_of_calls('get #-end order complex');
 }
 
@@ -813,41 +817,41 @@ void test_substring_complex() {
   check_number_of_calls('substring # complex order');
   number_of_calls = 0;
   // The order for index for #-end is addition because this will catch errors in generators where most perform the operation ... - index.
-  unittest_assertequals(text_get_substring((get_numbers()), 'FROM_END', 2, 'FROM_END', 1), '78', 'substring #-end complex');
+  unittest_assertequals(text_get_substring(get_numbers(), 'FROM_END', 2, 'FROM_END', 1), '78', 'substring #-end complex');
   check_number_of_calls('substring #-end complex');
   number_of_calls = 0;
-  unittest_assertequals(text_get_substring((true ? get_numbers() : null), 'FROM_END', ((0 + 3) - 1), 'FROM_END', ((0 + 2) - 1)), '78', 'substring #-end order order');
+  unittest_assertequals(text_get_substring(true ? get_numbers() : null, 'FROM_END', ((0 + 3) - 1), 'FROM_END', ((0 + 2) - 1)), '78', 'substring #-end order order');
   check_number_of_calls('substring #-end order order');
   number_of_calls = 0;
-  unittest_assertequals((get_numbers()), text, 'substring first-last');
+  unittest_assertequals(get_numbers(), text, 'substring first-last');
   check_number_of_calls('substring first-last');
   number_of_calls = 0;
-  unittest_assertequals(text_get_substring((get_numbers()), 'FROM_START', 1, 'FROM_END', 1), '2345678', 'substring # #-end complex');
+  unittest_assertequals(text_get_substring(get_numbers(), 'FROM_START', 1, 'FROM_END', 1), '2345678', 'substring # #-end complex');
   check_number_of_calls('substring # #-end complex');
   number_of_calls = 0;
-  unittest_assertequals(text_get_substring((get_numbers()), 'FROM_END', 6, 'FROM_START', 3), '34', 'substring #-end # complex');
+  unittest_assertequals(text_get_substring(get_numbers(), 'FROM_END', 6, 'FROM_START', 3), '34', 'substring #-end # complex');
   check_number_of_calls('substring #-end # complex');
   number_of_calls = 0;
   unittest_assertequals((get_numbers()).substring(0, 4), '1234', 'substring first # complex');
   check_number_of_calls('substring first # complex');
   number_of_calls = 0;
-  unittest_assertequals(text_get_substring((get_numbers()), 'FIRST', 0, 'FROM_END', 1), '12345678', 'substring first #-end complex');
+  unittest_assertequals(text_get_substring(get_numbers(), 'FIRST', 0, 'FROM_END', 1), '12345678', 'substring first #-end complex');
   check_number_of_calls('substring first #-end complex');
   number_of_calls = 0;
-  unittest_assertequals(text_get_substring((get_numbers()), 'FROM_START', 6, 'LAST', 0), '789', 'substring # last complex');
+  unittest_assertequals(text_get_substring(get_numbers(), 'FROM_START', 6, 'LAST', 0), '789', 'substring # last complex');
   check_number_of_calls('substring # last complex');
   number_of_calls = 0;
-  unittest_assertequals(text_get_substring((get_numbers()), 'FROM_END', 2, 'LAST', 0), '789', 'substring #-end last complex');
+  unittest_assertequals(text_get_substring(get_numbers(), 'FROM_END', 2, 'LAST', 0), '789', 'substring #-end last complex');
   check_number_of_calls('substring #-end last complex');
   number_of_calls = 0;
-  unittest_assertequals(text_get_substring((get_numbers()), 'FROM_START', 0, 'FROM_END', 0), '123456789', 'substring all with # #-end complex');
+  unittest_assertequals(text_get_substring(get_numbers(), 'FROM_START', 0, 'FROM_END', 0), '123456789', 'substring all with # #-end complex');
   check_number_of_calls('substring all with # #-end complex');
   number_of_calls = 0;
-  unittest_assertequals(text_get_substring((get_numbers()), 'FROM_END', 8, 'FROM_START', 8), '123456789', 'substring all with #-end # complex');
+  unittest_assertequals(text_get_substring(get_numbers(), 'FROM_END', 8, 'FROM_START', 8), '123456789', 'substring all with #-end # complex');
   check_number_of_calls('substring all with #-end # complex');
   number_of_calls = 0;
   // Checks that the whole string is properly retrieved even if the value for start and end is not a simple number. This is especially important in generators where substring uses [x:length - y] for # #-end.
-  unittest_assertequals(text_get_substring((get_numbers()), 'FROM_START', ((0 + 1) - 1), 'FROM_END', ((0 + 1) - 1)), '123456789', 'substring all with # #-end math complex');
+  unittest_assertequals(text_get_substring(get_numbers(), 'FROM_START', ((0 + 1) - 1), 'FROM_END', ((0 + 1) - 1)), '123456789', 'substring all with # #-end math complex');
   check_number_of_calls('substring all with # #-end math complex');
 }
 
@@ -1366,10 +1370,10 @@ void test_split() {
 
 List lists_sort(List list, String type, int direction) {
   var compareFuncs = {
-    "NUMERIC": (a, b) => (direction * a.compareTo(b)).toInt(),
-    "TEXT": (a, b) => direction * a.toString().compareTo(b.toString()),
-    "IGNORE_CASE":
-       (a, b) => direction *
+    'NUMERIC': (a, b) => (direction * a.compareTo(b)).toInt(),
+    'TEXT': (a, b) => direction * a.toString().compareTo(b.toString()),
+    'IGNORE_CASE':
+      (a, b) => direction *
       a.toString().toLowerCase().compareTo(b.toString().toLowerCase())
   };
   list = new List.from(list);
@@ -1408,80 +1412,6 @@ void test_lists_reverse() {
   unittest_assertequals(new List.from(list.reversed), [], 'empty list');
 }
 
-/// Describe this function...
-void test_colour_picker() {
-  unittest_assertequals('#ff6600', '#ff6600', 'static colour');
-}
-
-String colour_rgb(num r, num g, num b) {
-  num rn = (Math.max(Math.min(r, 100), 0) * 2.55).round();
-  String rs = rn.toInt().toRadixString(16);
-  rs = '0$rs';
-  rs = rs.substring(rs.length - 2);
-  num gn = (Math.max(Math.min(g, 100), 0) * 2.55).round();
-  String gs = gn.toInt().toRadixString(16);
-  gs = '0$gs';
-  gs = gs.substring(gs.length - 2);
-  num bn = (Math.max(Math.min(b, 100), 0) * 2.55).round();
-  String bs = bn.toInt().toRadixString(16);
-  bs = '0$bs';
-  bs = bs.substring(bs.length - 2);
-  return '#$rs$gs$bs';
-}
-
-/// Describe this function...
-void test_rgb() {
-  unittest_assertequals(colour_rgb(100, 40, 0), '#ff6600', 'from rgb');
-}
-
-String colour_random() {
-  String hex = '0123456789abcdef';
-  var rnd = new Math.Random();
-  return '#${hex[rnd.nextInt(16)]}${hex[rnd.nextInt(16)]}'
-      '${hex[rnd.nextInt(16)]}${hex[rnd.nextInt(16)]}'
-      '${hex[rnd.nextInt(16)]}${hex[rnd.nextInt(16)]}';
-}
-
-/// Describe this function...
-void test_colour_random() {
-  for (int count4 = 0; count4 < 100; count4++) {
-    item = colour_random();
-    unittest_assertequals(item.length, 7, ['length of random colour string: ',item].join());
-    unittest_assertequals(item[0], '#', ['format of random colour string: ',item].join());
-    for (i = 1; i <= 6; i++) {
-      unittest_assertequals(0 != 'abcdefABDEF0123456789'.indexOf(item[((i + 1) - 1)]) + 1, true, ['contents of random colour string: ',item,' at index: ',i + 1].join());
-    }
-  }
-}
-
-String colour_blend(String c1, String c2, num ratio) {
-  ratio = Math.max(Math.min(ratio, 1), 0);
-  int r1 = int.parse('0x${c1.substring(1, 3)}');
-  int g1 = int.parse('0x${c1.substring(3, 5)}');
-  int b1 = int.parse('0x${c1.substring(5, 7)}');
-  int r2 = int.parse('0x${c2.substring(1, 3)}');
-  int g2 = int.parse('0x${c2.substring(3, 5)}');
-  int b2 = int.parse('0x${c2.substring(5, 7)}');
-  num rn = (r1 * (1 - ratio) + r2 * ratio).round();
-  String rs = rn.toInt().toRadixString(16);
-  num gn = (g1 * (1 - ratio) + g2 * ratio).round();
-  String gs = gn.toInt().toRadixString(16);
-  num bn = (b1 * (1 - ratio) + b2 * ratio).round();
-  String bs = bn.toInt().toRadixString(16);
-  rs = '0$rs';
-  rs = rs.substring(rs.length - 2);
-  gs = '0$gs';
-  gs = gs.substring(gs.length - 2);
-  bs = '0$bs';
-  bs = bs.substring(bs.length - 2);
-  return '#$rs$gs$bs';
-}
-
-/// Describe this function...
-void test_blend() {
-  unittest_assertequals(colour_blend('#ff0000', colour_rgb(100, 40, 0), 0.4), '#ff2900', 'blend');
-}
-
 /// Describe this function...
 void test_procedure() {
   procedure_1(8, 2);
@@ -1652,15 +1582,6 @@ main() {
   print(unittest_report());
   unittestResults = null;
 
-  unittestResults = [];
-  print('\n====================\n\nRunning suite: Colour');
-  test_colour_picker();
-  test_blend();
-  test_rgb();
-  test_colour_random();
-  print(unittest_report());
-  unittestResults = null;
-
   unittestResults = [];
   print('\n====================\n\nRunning suite: Variables');
   item = 123;
diff --git a/tests/generators/golden/generated.js b/tests/generators/golden/generated.js
index 42479311220..9fa4f1d9328 100644
--- a/tests/generators/golden/generated.js
+++ b/tests/generators/golden/generated.js
@@ -1,6 +1,6 @@
 'use strict';
 
-var unittestResults, test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy;
+var unittestResults, test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy;
 
 function unittest_report() {
   // Create test report.
@@ -38,11 +38,11 @@ function assertEquals(actual, expected, message) {
   function equals(a, b) {
     if (a === b) {
       return true;
-    } else if ((typeof a == "number") && (typeof b == "number") &&
+    } else if ((typeof a === "number") && (typeof b === "number") &&
         (a.toPrecision(15) == b.toPrecision(15))) {
       return true;
     } else if (a instanceof Array && b instanceof Array) {
-      if (a.length != b.length) {
+      if (a.length !== b.length) {
         return false;
       }
       for (var i = 0; i < a.length; i++) {
@@ -177,7 +177,7 @@ function test_foreach() {
 function test_repeat() {
   count = 0;
   for (var count2 = 0; count2 < 10; count2++) {
-    count = (typeof count == 'number' ? count : 0) + 1;
+    count = (typeof count === 'number' ? count : 0) + 1;
   }
   assertEquals(count, 10, 'repeat 10');
 }
@@ -192,12 +192,12 @@ function test_while() {
   }
   count = 1;
   while (count != 10) {
-    count = (typeof count == 'number' ? count : 0) + 1;
+    count = (typeof count === 'number' ? count : 0) + 1;
   }
   assertEquals(count, 10, 'while 10');
   count = 1;
   while (!(count == 10)) {
-    count = (typeof count == 'number' ? count : 0) + 1;
+    count = (typeof count === 'number' ? count : 0) + 1;
   }
   assertEquals(count, 10, 'until 10');
 }
@@ -206,7 +206,7 @@ function test_while() {
 function test_repeat_ext() {
   count = 0;
   for (var count3 = 0; count3 < 10; count3++) {
-    count = (typeof count == 'number' ? count : 0) + 1;
+    count = (typeof count === 'number' ? count : 0) + 1;
   }
   assertEquals(count, 10, 'repeat 10');
 }
@@ -304,7 +304,7 @@ function test_continue() {
   log = '';
   count = 0;
   while (count != 8) {
-    count = (typeof count == 'number' ? count : 0) + 1;
+    count = (typeof count === 'number' ? count : 0) + 1;
     if (count == 5) {
       continue;
     }
@@ -314,7 +314,7 @@ function test_continue() {
   log = '';
   count = 0;
   while (!(count == 8)) {
-    count = (typeof count == 'number' ? count : 0) + 1;
+    count = (typeof count === 'number' ? count : 0) + 1;
     if (count == 5) {
       continue;
     }
@@ -348,7 +348,7 @@ function test_break() {
     if (count == 5) {
       break;
     }
-    count = (typeof count == 'number' ? count : 0) + 1;
+    count = (typeof count === 'number' ? count : 0) + 1;
   }
   assertEquals(count, 5, 'while break');
   count = 1;
@@ -356,7 +356,7 @@ function test_break() {
     if (count == 5) {
       break;
     }
-    count = (typeof count == 'number' ? count : 0) + 1;
+    count = (typeof count === 'number' ? count : 0) + 1;
   }
   assertEquals(count, 5, 'until break');
   log = '';
@@ -432,12 +432,12 @@ function mathIsPrime(n) {
   }
   // False if n is NaN, negative, is 1, or not whole.
   // And false if n is divisible by 2 or 3.
-  if (isNaN(n) || n <= 1 || n % 1 != 0 || n % 2 == 0 || n % 3 == 0) {
+  if (isNaN(n) || n <= 1 || n % 1 !== 0 || n % 2 === 0 || n % 3 === 0) {
     return false;
   }
   // Check all the numbers of form 6k +/- 1, up to sqrt(n).
   for (var x = 6; x <= Math.sqrt(n) + 1; x += 6) {
-    if (n % (x - 1) == 0 || n % (x + 1) == 0) {
+    if (n % (x - 1) === 0 || n % (x + 1) === 0) {
       return false;
     }
   }
@@ -446,15 +446,19 @@ function mathIsPrime(n) {
 
 // Tests the "number property" blocks.
 function test_number_properties() {
-  assertEquals(42 % 2 == 0, true, 'even');
-  assertEquals(42.1 % 2 == 1, false, 'odd');
+  assertEquals(42 % 2 === 0, true, 'even');
+  assertEquals(42.1 % 2 === 1, false, 'odd');
   assertEquals(mathIsPrime(5), true, 'prime 5');
+  assertEquals(mathIsPrime(5 + 2), true, 'prime 5 + 2 (extra parentheses)');
   assertEquals(mathIsPrime(25), false, 'prime 25');
   assertEquals(mathIsPrime(-31.1), false, 'prime negative');
-  assertEquals(Math.PI % 1 == 0, false, 'whole');
+  assertEquals(Math.PI % 1 === 0, false, 'whole');
   assertEquals(Infinity > 0, true, 'positive');
+  assertEquals(5 + 2 > 0, true, '5 + 2 is positive (extra parentheses)');
   assertEquals(-42 < 0, true, 'negative');
-  assertEquals(42 % 2 == 0, true, 'divisible');
+  assertEquals(3 + 2 < 0, false, '3 + 2 is negative (extra parentheses)');
+  assertEquals(42 % 2 === 0, true, 'divisible');
+  assertEquals(!(42 % 0 === 0), true, 'divisible by 0');
 }
 
 // Tests the "round" block.
@@ -467,19 +471,19 @@ function test_round() {
 // Tests the "change" block.
 function test_change() {
   varToChange = 100;
-  varToChange = (typeof varToChange == 'number' ? varToChange : 0) + 42;
+  varToChange = (typeof varToChange === 'number' ? varToChange : 0) + 42;
   assertEquals(varToChange, 142, 'change');
 }
 
 function mathMean(myList) {
-  return myList.reduce(function(x, y) {return x + y;}) / myList.length;
+  return myList.reduce(function(x, y) {return x + y;}, 0) / myList.length;
 }
 
 function mathMedian(myList) {
-  var localList = myList.filter(function (x) {return typeof x == 'number';});
+  var localList = myList.filter(function (x) {return typeof x === 'number';});
   if (!localList.length) return null;
   localList.sort(function(a, b) {return b - a;});
-  if (localList.length % 2 == 0) {
+  if (localList.length % 2 === 0) {
     return (localList[localList.length / 2 - 1] + localList[localList.length / 2]) / 2;
   } else {
     return localList[(localList.length - 1) / 2];
@@ -508,8 +512,8 @@ function mathModes(values) {
     maxCount = Math.max(thisCount, maxCount);
   }
   for (var j = 0; j < counts.length; j++) {
-    if (counts[j][1] == maxCount) {
-        modes.push(counts[j][0]);
+    if (counts[j][1] === maxCount) {
+      modes.push(counts[j][0]);
     }
   }
   return modes;
@@ -523,7 +527,7 @@ function mathStandardDeviation(numbers) {
   for (var j = 0; j < n; j++) {
     variance += Math.pow(numbers[j] - mean, 2);
   }
-  variance = variance / n;
+  variance /= n;
   return Math.sqrt(variance);
 }
 
@@ -534,7 +538,7 @@ function mathRandomList(list) {
 
 // Tests the "list operation" blocks.
 function test_operations_on_list() {
-  assertEquals([3, 4, 5].reduce(function(x, y) {return x + y;}), 12, 'sum');
+  assertEquals([3, 4, 5].reduce(function(x, y) {return x + y;}, 0), 12, 'sum');
   assertEquals(Math.min.apply(null, [3, 4, 5]), 3, 'min');
   assertEquals(Math.max.apply(null, [3, 4, 5]), 5, 'max');
   assertEquals(mathMean([3, 4, 5]), 4, 'average');
@@ -569,7 +573,7 @@ function mathRandomInt(a, b) {
 function test_random_integer() {
   rand = mathRandomInt(5, 10);
   assertEquals(rand >= 5 && rand <= 10, true, 'randRange');
-  assertEquals(rand % 1 == 0, true, 'randInteger');
+  assertEquals(rand % 1 === 0, true, 'randInteger');
 }
 
 // Tests the "random fraction" block.
@@ -645,7 +649,7 @@ function test_find_text_simple() {
 
 // Creates a string for use with the find test.
 function get_fruit() {
-  number_of_calls = (typeof number_of_calls == 'number' ? number_of_calls : 0) + 1;
+  number_of_calls = (typeof number_of_calls === 'number' ? number_of_calls : 0) + 1;
   return 'Banana';
 }
 
@@ -691,7 +695,7 @@ function test_get_text_simple() {
 
 // Creates a string for use with the get test.
 function get_Blockly() {
-  number_of_calls = (typeof number_of_calls == 'number' ? number_of_calls : 0) + 1;
+  number_of_calls = (typeof number_of_calls === 'number' ? number_of_calls : 0) + 1;
   return 'Blockly';
 }
 
@@ -733,7 +737,7 @@ function test_get_text_complex() {
 
 // Creates a string for use with the substring test.
 function get_numbers() {
-  number_of_calls = (typeof number_of_calls == 'number' ? number_of_calls : 0) + 1;
+  number_of_calls = (typeof number_of_calls === 'number' ? number_of_calls : 0) + 1;
   return '123456789';
 }
 
@@ -807,7 +811,7 @@ function test_substring_complex() {
   assertEquals(subsequenceFromEndFromEnd(get_numbers(), 2, 1), '78', 'substring #-end complex');
   check_number_of_calls('substring #-end complex');
   number_of_calls = 0;
-  assertEquals(subsequenceFromEndFromEnd((true ? get_numbers() : null), ((0 + 3) - 1), ((0 + 2) - 1)), '78', 'substring #-end order order');
+  assertEquals(subsequenceFromEndFromEnd(true ? get_numbers() : null, ((0 + 3) - 1), ((0 + 2) - 1)), '78', 'substring #-end order order');
   check_number_of_calls('substring #-end order order');
   number_of_calls = 0;
   assertEquals(get_numbers(), text, 'substring first-last');
@@ -900,8 +904,8 @@ function test_text_reverse() {
 }
 
 function textReplace(haystack, needle, replacement) {
-  needle = needle.replace(/([-()\[\]{}+?*.$\^|,:#<!\\])/g,"\\$1")
-                 .replace(/\x08/g,"\\x08");
+  needle = needle.replace(/([-()\[\]{}+?*.$\^|,:#<!\\])/g, '\\$1')
+                 .replace(/\x08/g, '\\x08');
   return haystack.replace(new RegExp(needle, 'g'), replacement);
 }
 
@@ -970,7 +974,7 @@ function test_find_lists_simple() {
 
 // Creates a list for use with the find test.
 function get_names() {
-  number_of_calls = (typeof number_of_calls == 'number' ? number_of_calls : 0) + 1;
+  number_of_calls = (typeof number_of_calls === 'number' ? number_of_calls : 0) + 1;
   return ['Alice', 'Eve', 'Bob', 'Eve'];
 }
 
@@ -1032,7 +1036,7 @@ function test_get_lists_create_list() {
 
 // Creates a list for use with the get test.
 function get_star_wars() {
-  number_of_calls = (typeof number_of_calls == 'number' ? number_of_calls : 0) + 1;
+  number_of_calls = (typeof number_of_calls === 'number' ? number_of_calls : 0) + 1;
   return ['Kirk', 'Spock', 'McCoy'];
 }
 
@@ -1249,7 +1253,7 @@ function test_sublist_simple() {
 
 // Creates a list for use with the sublist test.
 function get_space_shuttles() {
-  number_of_calls = (typeof number_of_calls == 'number' ? number_of_calls : 0) + 1;
+  number_of_calls = (typeof number_of_calls === 'number' ? number_of_calls : 0) + 1;
   return ['Columbia', 'Challenger', 'Discovery', 'Atlantis', 'Endeavour'];
 }
 
@@ -1317,15 +1321,15 @@ function test_split() {
 
 function listsGetSortCompare(type, direction) {
   var compareFuncs = {
-    "NUMERIC": function(a, b) {
+    'NUMERIC': function(a, b) {
         return Number(a) - Number(b); },
-    "TEXT": function(a, b) {
-        return a.toString() > b.toString() ? 1 : -1; },
-    "IGNORE_CASE": function(a, b) {
-        return a.toString().toLowerCase() > b.toString().toLowerCase() ? 1 : -1; },
+    'TEXT': function(a, b) {
+        return String(a) > String(b) ? 1 : -1; },
+    'IGNORE_CASE': function(a, b) {
+        return String(a).toLowerCase() > String(b).toLowerCase() ? 1 : -1; },
   };
   var compare = compareFuncs[type];
-  return function(a, b) { return compare(a, b) * direction; }
+  return function(a, b) { return compare(a, b) * direction; };
 }
 
 // Tests the "alphabetic sort" block.
@@ -1358,65 +1362,6 @@ function test_lists_reverse() {
   assertEquals(list.slice().reverse(), [], 'empty list');
 }
 
-// Describe this function...
-function test_colour_picker() {
-  assertEquals('#ff6600', '#ff6600', 'static colour');
-}
-
-function colourRgb(r, g, b) {
-  r = Math.max(Math.min(Number(r), 100), 0) * 2.55;
-  g = Math.max(Math.min(Number(g), 100), 0) * 2.55;
-  b = Math.max(Math.min(Number(b), 100), 0) * 2.55;
-  r = ('0' + (Math.round(r) || 0).toString(16)).slice(-2);
-  g = ('0' + (Math.round(g) || 0).toString(16)).slice(-2);
-  b = ('0' + (Math.round(b) || 0).toString(16)).slice(-2);
-  return '#' + r + g + b;
-}
-
-// Describe this function...
-function test_rgb() {
-  assertEquals(colourRgb(100, 40, 0), '#ff6600', 'from rgb');
-}
-
-function colourRandom() {
-  var num = Math.floor(Math.random() * Math.pow(2, 24));
-  return '#' + ('00000' + num.toString(16)).substr(-6);
-}
-
-// Describe this function...
-function test_colour_random() {
-  for (var count4 = 0; count4 < 100; count4++) {
-    item = colourRandom();
-    assertEquals(item.length, 7, 'length of random colour string: ' + String(item));
-    assertEquals(item.charAt(0), '#', 'format of random colour string: ' + String(item));
-    for (i = 1; i <= 6; i++) {
-      assertEquals(0 != 'abcdefABDEF0123456789'.indexOf(item.charAt(((i + 1) - 1))) + 1, true, ['contents of random colour string: ',item,' at index: ',i + 1].join(''));
-    }
-  }
-}
-
-function colourBlend(c1, c2, ratio) {
-  ratio = Math.max(Math.min(Number(ratio), 1), 0);
-  var r1 = parseInt(c1.substring(1, 3), 16);
-  var g1 = parseInt(c1.substring(3, 5), 16);
-  var b1 = parseInt(c1.substring(5, 7), 16);
-  var r2 = parseInt(c2.substring(1, 3), 16);
-  var g2 = parseInt(c2.substring(3, 5), 16);
-  var b2 = parseInt(c2.substring(5, 7), 16);
-  var r = Math.round(r1 * (1 - ratio) + r2 * ratio);
-  var g = Math.round(g1 * (1 - ratio) + g2 * ratio);
-  var b = Math.round(b1 * (1 - ratio) + b2 * ratio);
-  r = ('0' + (r || 0).toString(16)).slice(-2);
-  g = ('0' + (g || 0).toString(16)).slice(-2);
-  b = ('0' + (b || 0).toString(16)).slice(-2);
-  return '#' + r + g + b;
-}
-
-// Describe this function...
-function test_blend() {
-  assertEquals(colourBlend('#ff0000', colourRgb(100, 40, 0), 0.4), '#ff2900', 'blend');
-}
-
 // Describe this function...
 function test_procedure() {
   procedure_1(8, 2);
@@ -1462,7 +1407,7 @@ function function_1(func_x, func_y) {
 
 // Describe this function...
 function function_2(func_a) {
-  func_a = (typeof func_a == 'number' ? func_a : 0) + 1;
+  func_a = (typeof func_a === 'number' ? func_a : 0) + 1;
   return String(func_a) + String(func_c);
 }
 
@@ -1586,15 +1531,6 @@ test_lists_reverse();
 console.log(unittest_report());
 unittestResults = null;
 
-unittestResults = [];
-console.log('\n====================\n\nRunning suite: Colour')
-test_colour_picker();
-test_blend();
-test_rgb();
-test_colour_random();
-console.log(unittest_report());
-unittestResults = null;
-
 unittestResults = [];
 console.log('\n====================\n\nRunning suite: Variables')
 item = 123;
diff --git a/tests/generators/golden/generated.lua b/tests/generators/golden/generated.lua
index d96ad64a907..63dbe0af4a9 100644
--- a/tests/generators/golden/generated.lua
+++ b/tests/generators/golden/generated.lua
@@ -450,12 +450,16 @@ function test_number_properties()
   assertEquals(42 % 2 == 0, true, 'even')
   assertEquals(42.1 % 2 == 1, false, 'odd')
   assertEquals(math_isPrime(5), true, 'prime 5')
+  assertEquals(math_isPrime(5 + 2), true, 'prime 5 + 2 (extra parentheses)')
   assertEquals(math_isPrime(25), false, 'prime 25')
   assertEquals(math_isPrime(-31.1), false, 'prime negative')
   assertEquals(math.pi % 1 == 0, false, 'whole')
   assertEquals(math.huge > 0, true, 'positive')
+  assertEquals(5 + 2 > 0, true, '5 + 2 is positive (extra parentheses)')
   assertEquals(-42 < 0, true, 'negative')
+  assertEquals(3 + 2 < 0, false, '3 + 2 is negative (extra parentheses)')
   assertEquals(42 % 2 == 0, true, 'divisible')
+  assertEquals(not nil, true, 'divisible by 0')
 end
 
 
@@ -521,23 +525,23 @@ function math_median(t)
   if #t == 0 then
     return 0
   end
-  local temp={}
+  local temp = {}
   for _, v in ipairs(t) do
-    if type(v) == "number" then
+    if type(v) == 'number' then
       table.insert(temp, v)
     end
   end
   table.sort(temp)
   if #temp % 2 == 0 then
-    return (temp[#temp/2] + temp[(#temp/2)+1]) / 2
+    return (temp[#temp / 2] + temp[(#temp / 2) + 1]) / 2
   else
-    return temp[math.ceil(#temp/2)]
+    return temp[math.ceil(#temp / 2)]
   end
 end
 
 function math_modes(t)
   -- Source: http://lua-users.org/wiki/SimpleStats
-  local counts={}
+  local counts = {}
   for _, v in ipairs(t) do
     if counts[v] == nil then
       counts[v] = 1
@@ -551,7 +555,7 @@ function math_modes(t)
       biggestCount = v
     end
   end
-  local temp={}
+  local temp = {}
   for k, v in pairs(counts) do
     if v == biggestCount then
       table.insert(temp, k)
@@ -703,9 +707,8 @@ function firstIndexOf(str, substr)
   local i = string.find(str, substr, 1, true)
   if i == nil then
     return 0
-  else
-    return i
   end
+  return i
 end
 
 function lastIndexOf(str, substr)
@@ -1627,58 +1630,6 @@ function test_lists_reverse()
 end
 
 
--- Describe this function...
-function test_colour_picker()
-  assertEquals('#ff6600', '#ff6600', 'static colour')
-end
-
-
-function colour_rgb(r, g, b)
-  r = math.floor(math.min(100, math.max(0, r)) * 2.55 + .5)
-  g = math.floor(math.min(100, math.max(0, g)) * 2.55 + .5)
-  b = math.floor(math.min(100, math.max(0, b)) * 2.55 + .5)
-  return string.format("#%02x%02x%02x", r, g, b)
-end
-
--- Describe this function...
-function test_rgb()
-  assertEquals(colour_rgb(100, 40, 0), '#ff6600', 'from rgb')
-end
-
-
--- Describe this function...
-function test_colour_random()
-  for count4 = 1, 100 do
-    item = string.format("#%06x", math.random(0, 2^24 - 1))
-    assertEquals(#item, 7, 'length of random colour string: ' .. item)
-    assertEquals(string.sub(item, 1, 1), '#', 'format of random colour string: ' .. item)
-    for i = 1, 6, 1 do
-      assertEquals(0 ~= firstIndexOf('abcdefABDEF0123456789', text_char_at(item, i + 1)), true, table.concat({'contents of random colour string: ', item, ' at index: ', i + 1}))
-    end
-  end
-end
-
-
-function colour_blend(colour1, colour2, ratio)
-  local r1 = tonumber(string.sub(colour1, 2, 3), 16)
-  local r2 = tonumber(string.sub(colour2, 2, 3), 16)
-  local g1 = tonumber(string.sub(colour1, 4, 5), 16)
-  local g2 = tonumber(string.sub(colour2, 4, 5), 16)
-  local b1 = tonumber(string.sub(colour1, 6, 7), 16)
-  local b2 = tonumber(string.sub(colour2, 6, 7), 16)
-  local ratio = math.min(1, math.max(0, ratio))
-  local r = math.floor(r1 * (1 - ratio) + r2 * ratio + .5)
-  local g = math.floor(g1 * (1 - ratio) + g2 * ratio + .5)
-  local b = math.floor(b1 * (1 - ratio) + b2 * ratio + .5)
-  return string.format("#%02x%02x%02x", r, g, b)
-end
-
--- Describe this function...
-function test_blend()
-  assertEquals(colour_blend('#ff0000', colour_rgb(100, 40, 0), 0.4), '#ff2900', 'blend')
-end
-
-
 -- Describe this function...
 function test_procedure()
   procedure_1(8, 2)
@@ -1856,15 +1807,6 @@ test_lists_reverse()
 print(unittest_report())
 unittestResults = nil
 
-unittestResults = {}
-print('\n====================\n\nRunning suite: Colour')
-test_colour_picker()
-test_blend()
-test_rgb()
-test_colour_random()
-print(unittest_report())
-unittestResults = nil
-
 unittestResults = {}
 print('\n====================\n\nRunning suite: Variables')
 item = 123
diff --git a/tests/generators/golden/generated.php b/tests/generators/golden/generated.php
index 1b968b90d3c..d497f1a70c7 100644
--- a/tests/generators/golden/generated.php
+++ b/tests/generators/golden/generated.php
@@ -1,32 +1,3 @@
-$unittestResults;
-$test_name;
-$naked;
-$proc_x;
-$proc_y;
-$func_x;
-$func_y;
-$func_a;
-$n;
-$ok;
-$log;
-$count;
-$varToChange;
-$rand;
-$item;
-$text;
-$number_of_calls;
-$list2;
-$proc_z;
-$func_z;
-$x;
-$proc_w;
-$func_c;
-$if2;
-$i;
-$loglist;
-$changing_list;
-$list_copy;
-
 function unittest_report() {
   global $unittestResults;
   // Create test report.
@@ -82,7 +53,7 @@ function unittest_fail($message) {
 
 // Describe this function...
 function test_if() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   if (false) {
     unittest_fail('if false');
   }
@@ -120,7 +91,7 @@ function test_if() {
 
 // Describe this function...
 function test_ifelse() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $ok = false;
   if (true) {
     $ok = true;
@@ -139,7 +110,7 @@ function test_ifelse() {
 
 // Describe this function...
 function test_equalities() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(2 == 2, true, 'Equal yes');
   assertEquals(3 == 4, false, 'Equal no');
   assertEquals(5 != 6, true, 'Not equal yes');
@@ -156,7 +127,7 @@ function test_equalities() {
 
 // Describe this function...
 function test_and() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(true && true, true, 'And true/true');
   assertEquals(false && true, false, 'And false/true');
   assertEquals(true && false, false, 'And true/false');
@@ -165,7 +136,7 @@ function test_and() {
 
 // Describe this function...
 function test_or() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(true || true, true, 'Or true/true');
   assertEquals(false || true, true, 'Or false/true');
   assertEquals(true || false, true, 'Or true/false');
@@ -174,14 +145,14 @@ function test_or() {
 
 // Describe this function...
 function test_ternary() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(true ? 42 : 99, 42, 'if true');
   assertEquals(false ? 42 : 99, 99, 'if true');
 }
 
 // Describe this function...
 function test_foreach() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $log = '';
   foreach (array('a', 'b', 'c') as $x) {
     $log .= $x;
@@ -191,7 +162,7 @@ function test_foreach() {
 
 // Describe this function...
 function test_repeat() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $count = 0;
   for ($count2 = 0; $count2 < 10; $count2++) {
     $count += 1;
@@ -201,7 +172,7 @@ function test_repeat() {
 
 // Describe this function...
 function test_while() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   while (false) {
     unittest_fail('while 0');
   }
@@ -222,7 +193,7 @@ function test_while() {
 
 // Describe this function...
 function test_repeat_ext() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $count = 0;
   for ($count3 = 0; $count3 < 10; $count3++) {
     $count += 1;
@@ -232,7 +203,7 @@ function test_repeat_ext() {
 
 // Describe this function...
 function test_count_by() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $log = '';
   for ($x = 1; $x <= 8; $x += 2) {
     $log .= $x;
@@ -285,7 +256,7 @@ function test_count_by() {
 
 // Describe this function...
 function test_count_loops() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $log = '';
   for ($x = 1; $x <= 8; $x++) {
     $log .= $x;
@@ -322,7 +293,7 @@ function test_count_loops() {
 
 // Describe this function...
 function test_continue() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $log = '';
   $count = 0;
   while ($count != 8) {
@@ -363,7 +334,7 @@ function test_continue() {
 
 // Describe this function...
 function test_break() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $count = 1;
   while ($count != 10) {
     if ($count == 5) {
@@ -400,7 +371,7 @@ function test_break() {
 
 // Tests the "single" block.
 function test_single() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(sqrt(25), 5, 'sqrt');
   assertEquals(abs(-25), 25, 'abs');
   assertEquals(-(-25), 25, 'negate');
@@ -413,7 +384,7 @@ function test_single() {
 // Tests the "arithmetic" block for all operations and checks
 // parenthesis are properly generated for different orders.
 function test_arithmetic() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(1 + 2, 3, 'add');
   assertEquals(1 - 2, -1, 'subtract');
   assertEquals(1 - (0 + 2), -1, 'subtract order with add');
@@ -428,7 +399,7 @@ function test_arithmetic() {
 
 // Tests the "trig" block.
 function test_trig() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(sin(90 / 180 * pi()), 1, 'sin');
   assertEquals(cos(180 / 180 * pi()), -1, 'cos');
   assertEquals(tan(0 / 180 * pi()), 0, 'tan');
@@ -439,7 +410,7 @@ function test_trig() {
 
 // Tests the "constant" blocks.
 function test_constant() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(floor(M_PI * 1000), 3141, 'const pi');
   assertEquals(floor(M_E * 1000), 2718, 'const e');
   assertEquals(floor(((1 + sqrt(5)) / 2) * 1000), 1618, 'const golden');
@@ -469,21 +440,25 @@ function math_isPrime($n) {
 
 // Tests the "number property" blocks.
 function test_number_properties() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(42 % 2 == 0, true, 'even');
   assertEquals(42.1 % 2 == 1, false, 'odd');
   assertEquals(math_isPrime(5), true, 'prime 5');
+  assertEquals(math_isPrime(5 + 2), true, 'prime 5 + 2 (extra parentheses)');
   assertEquals(math_isPrime(25), false, 'prime 25');
   assertEquals(math_isPrime(-31.1), false, 'prime negative');
   assertEquals(is_int(M_PI), false, 'whole');
   assertEquals(INF > 0, true, 'positive');
+  assertEquals(5 + 2 > 0, true, '5 + 2 is positive (extra parentheses)');
   assertEquals(-42 < 0, true, 'negative');
+  assertEquals(3 + 2 < 0, false, '3 + 2 is negative (extra parentheses)');
   assertEquals(42 % 2 == 0, true, 'divisible');
+  assertEquals(!false, true, 'divisible by 0');
 }
 
 // Tests the "round" block.
 function test_round() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(round(42.42), 42, 'round');
   assertEquals(ceil(-42.42), -42, 'round up');
   assertEquals(floor(42.42), 42, 'round down');
@@ -491,7 +466,7 @@ function test_round() {
 
 // Tests the "change" block.
 function test_change() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $varToChange = 100;
   $varToChange += 42;
   assertEquals($varToChange, 142, 'change');
@@ -503,8 +478,8 @@ function math_mean($myList) {
 
 function math_median($arr) {
   sort($arr,SORT_NUMERIC);
-  return (count($arr) % 2) ? $arr[floor(count($arr)/2)] :
-      ($arr[floor(count($arr)/2)] + $arr[floor(count($arr)/2) - 1]) / 2;
+  return (count($arr) % 2) ? $arr[floor(count($arr) / 2)] :
+      ($arr[floor(count($arr) / 2)] + $arr[floor(count($arr) / 2) - 1]) / 2;
 }
 
 function math_modes($values) {
@@ -537,7 +512,7 @@ function indexOf($haystack, $needle) {
 
 // Tests the "list operation" blocks.
 function test_operations_on_list() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(array_sum((array(3, 4, 5))), 12, 'sum');
   assertEquals(min((array(3, 4, 5))), 3, 'min');
   assertEquals(max((array(3, 4, 5))), 5, 'max');
@@ -551,13 +526,13 @@ function test_operations_on_list() {
 
 // Tests the "mod" block.
 function test_mod() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(42 % 5, 2, 'mod');
 }
 
 // Tests the "constrain" block.
 function test_constraint() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(min(max(100, 0), 42), 42, 'constraint');
 }
 
@@ -570,7 +545,7 @@ function math_random_int($a, $b) {
 
 // Tests the "random integer" block.
 function test_random_integer() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $rand = math_random_int(5, 10);
   assertEquals($rand >= 5 && $rand <= 10, true, 'randRange');
   assertEquals(is_int($rand), true, 'randInteger');
@@ -578,14 +553,14 @@ function test_random_integer() {
 
 // Tests the "random fraction" block.
 function test_random_fraction() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $rand = (float)rand()/(float)getrandmax();
   assertEquals($rand >= 0 && $rand <= 1, true, 'randFloat');
 }
 
 // Describe this function...
 function test_atan2() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(atan2(5, -5) / pi() * 180, 135, 'atan2');
   assertEquals(atan2(-12, 0) / pi() * 180, -90, 'atan2');
 }
@@ -593,14 +568,14 @@ function test_atan2() {
 // Checks that the number of calls is one in order
 // to confirm that a function was only called once.
 function check_number_of_calls($test_name) {
-  global $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $test_name .= 'number of calls';
   assertEquals($number_of_calls, 1, $test_name);
 }
 
 // Tests the "create text with" block with varying number of inputs.
 function test_create_text() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals('', '', 'no text');
   assertEquals('Hello', 'Hello', 'create single');
   assertEquals(-1, '-1', 'create single number');
@@ -612,13 +587,13 @@ function test_create_text() {
 
 // Creates an empty string for use with the empty test.
 function get_empty() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   return '';
 }
 
 // Tests the "is empty" block".
 function test_empty_text() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(empty('Google'), false, 'not empty');
   assertEquals(empty(''), true, 'empty');
   assertEquals(empty(get_empty()), true, 'empty complex');
@@ -628,14 +603,13 @@ function test_empty_text() {
 function length($value) {
   if (is_string($value)) {
     return strlen($value);
-  } else {
-    return count($value);
   }
+  return count($value);
 }
 
 // Tests the "length" block.
 function test_text_length() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(length(''), 0, 'zero length');
   assertEquals(length('Google'), 6, 'non-zero length');
   assertEquals(length(true ? 'car' : null), 3, 'length order');
@@ -643,7 +617,7 @@ function test_text_length() {
 
 // Tests the "append text" block with different types of parameters.
 function test_append() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $item = 'Miserable';
   $item .= 'Failure';
   assertEquals($item, 'MiserableFailure', 'append text');
@@ -667,7 +641,7 @@ function text_lastIndexOf($text, $search) {
 
 // Tests the "find" block with a variable.
 function test_find_text_simple() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $text = 'Banana';
   assertEquals(text_indexOf($text, 'an'), 2, 'find first simple');
   assertEquals(text_lastIndexOf($text, 'an'), 4, 'find last simple');
@@ -676,14 +650,14 @@ function test_find_text_simple() {
 
 // Creates a string for use with the find test.
 function get_fruit() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $number_of_calls += 1;
   return 'Banana';
 }
 
 // Tests the "find" block with a function call.
 function test_find_text_complex() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $number_of_calls = 0;
   assertEquals(text_indexOf(get_fruit(), 'an'), 2, 'find first complex');
   check_number_of_calls('find first complex');
@@ -710,7 +684,7 @@ function text_random_letter($text) {
 
 // Tests the "get letter" block with a variable.
 function test_get_text_simple() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $text = 'Blockly';
   assertEquals(substr($text, 0, 1), 'B', 'get first simple');
   assertEquals(substr($text, -1), 'y', 'get last simple');
@@ -724,14 +698,14 @@ function test_get_text_simple() {
 
 // Creates a string for use with the get test.
 function get_Blockly() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $number_of_calls += 1;
   return 'Blockly';
 }
 
 // Tests the "get letter" block with a function call.
 function test_get_text_complex() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $text = 'Blockly';
   $number_of_calls = 0;
   assertEquals(substr(get_Blockly(), 0, 1), 'B', 'get first complex');
@@ -768,7 +742,7 @@ function test_get_text_complex() {
 
 // Creates a string for use with the substring test.
 function get_numbers() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $number_of_calls += 1;
   return '123456789';
 }
@@ -796,7 +770,7 @@ function text_get_substring($text, $where1, $at1, $where2, $at2) {
 
 // Tests the "get substring" block with a variable.
 function test_substring_simple() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $text = '123456789';
   assertEquals(text_get_substring($text, 'FROM_START', 1, 'FROM_START', 2), '23', 'substring # simple');
   assertEquals(text_get_substring($text, 'FROM_START', ((true ? 2 : null) - 1), 'FROM_START', ((true ? 3 : null) - 1)), '23', 'substring # simple order');
@@ -818,56 +792,56 @@ function test_substring_simple() {
 
 // Tests the "get substring" block with a function call.
 function test_substring_complex() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $number_of_calls = 0;
-  assertEquals(text_get_substring((get_numbers()), 'FROM_START', 1, 'FROM_START', 2), '23', 'substring # complex');
+  assertEquals(text_get_substring(get_numbers(), 'FROM_START', 1, 'FROM_START', 2), '23', 'substring # complex');
   check_number_of_calls('substring # complex');
   $number_of_calls = 0;
-  assertEquals(text_get_substring((true ? get_numbers() : null), 'FROM_START', ((true ? 2 : null) - 1), 'FROM_START', ((true ? 3 : null) - 1)), '23', 'substring # complex order');
+  assertEquals(text_get_substring(true ? get_numbers() : null, 'FROM_START', ((true ? 2 : null) - 1), 'FROM_START', ((true ? 3 : null) - 1)), '23', 'substring # complex order');
   check_number_of_calls('substring # complex order');
   $number_of_calls = 0;
   // The order for index for #-end is addition because this will catch errors in generators where most perform the operation ... - index.
-  assertEquals(text_get_substring((get_numbers()), 'FROM_END', 2, 'FROM_END', 1), '78', 'substring #-end complex');
+  assertEquals(text_get_substring(get_numbers(), 'FROM_END', 2, 'FROM_END', 1), '78', 'substring #-end complex');
   check_number_of_calls('substring #-end complex');
   $number_of_calls = 0;
-  assertEquals(text_get_substring((true ? get_numbers() : null), 'FROM_END', ((0 + 3) - 1), 'FROM_END', ((0 + 2) - 1)), '78', 'substring #-end order order');
+  assertEquals(text_get_substring(true ? get_numbers() : null, 'FROM_END', ((0 + 3) - 1), 'FROM_END', ((0 + 2) - 1)), '78', 'substring #-end order order');
   check_number_of_calls('substring #-end order order');
   $number_of_calls = 0;
-  assertEquals((get_numbers()), $text, 'substring first-last');
+  assertEquals(get_numbers(), $text, 'substring first-last');
   check_number_of_calls('substring first-last');
   $number_of_calls = 0;
-  assertEquals(text_get_substring((get_numbers()), 'FROM_START', 1, 'FROM_END', 1), '2345678', 'substring # #-end complex');
+  assertEquals(text_get_substring(get_numbers(), 'FROM_START', 1, 'FROM_END', 1), '2345678', 'substring # #-end complex');
   check_number_of_calls('substring # #-end complex');
   $number_of_calls = 0;
-  assertEquals(text_get_substring((get_numbers()), 'FROM_END', 6, 'FROM_START', 3), '34', 'substring #-end # complex');
+  assertEquals(text_get_substring(get_numbers(), 'FROM_END', 6, 'FROM_START', 3), '34', 'substring #-end # complex');
   check_number_of_calls('substring #-end # complex');
   $number_of_calls = 0;
-  assertEquals(text_get_substring((get_numbers()), 'FIRST', 0, 'FROM_START', 3), '1234', 'substring first # complex');
+  assertEquals(text_get_substring(get_numbers(), 'FIRST', 0, 'FROM_START', 3), '1234', 'substring first # complex');
   check_number_of_calls('substring first # complex');
   $number_of_calls = 0;
-  assertEquals(text_get_substring((get_numbers()), 'FIRST', 0, 'FROM_END', 1), '12345678', 'substring first #-end complex');
+  assertEquals(text_get_substring(get_numbers(), 'FIRST', 0, 'FROM_END', 1), '12345678', 'substring first #-end complex');
   check_number_of_calls('substring first #-end complex');
   $number_of_calls = 0;
-  assertEquals(text_get_substring((get_numbers()), 'FROM_START', 6, 'LAST', 0), '789', 'substring # last complex');
+  assertEquals(text_get_substring(get_numbers(), 'FROM_START', 6, 'LAST', 0), '789', 'substring # last complex');
   check_number_of_calls('substring # last complex');
   $number_of_calls = 0;
-  assertEquals(text_get_substring((get_numbers()), 'FROM_END', 2, 'LAST', 0), '789', 'substring #-end last complex');
+  assertEquals(text_get_substring(get_numbers(), 'FROM_END', 2, 'LAST', 0), '789', 'substring #-end last complex');
   check_number_of_calls('substring #-end last complex');
   $number_of_calls = 0;
-  assertEquals(text_get_substring((get_numbers()), 'FROM_START', 0, 'FROM_END', 0), '123456789', 'substring all with # #-end complex');
+  assertEquals(text_get_substring(get_numbers(), 'FROM_START', 0, 'FROM_END', 0), '123456789', 'substring all with # #-end complex');
   check_number_of_calls('substring all with # #-end complex');
   $number_of_calls = 0;
-  assertEquals(text_get_substring((get_numbers()), 'FROM_END', 8, 'FROM_START', 8), '123456789', 'substring all with #-end # complex');
+  assertEquals(text_get_substring(get_numbers(), 'FROM_END', 8, 'FROM_START', 8), '123456789', 'substring all with #-end # complex');
   check_number_of_calls('substring all with #-end # complex');
   $number_of_calls = 0;
   // Checks that the whole string is properly retrieved even if the value for start and end is not a simple number. This is especially important in generators where substring uses [x:length - y] for # #-end.
-  assertEquals(text_get_substring((get_numbers()), 'FROM_START', ((0 + 1) - 1), 'FROM_END', ((0 + 1) - 1)), '123456789', 'substring all with # #-end math complex');
+  assertEquals(text_get_substring(get_numbers(), 'FROM_START', ((0 + 1) - 1), 'FROM_END', ((0 + 1) - 1)), '123456789', 'substring all with # #-end math complex');
   check_number_of_calls('substring all with # #-end math complex');
 }
 
 // Tests the "change casing" block.
 function test_case() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $text = 'Hello World';
   assertEquals(strtoupper($text), 'HELLO WORLD', 'uppercase');
   assertEquals(strtoupper(true ? $text : null), 'HELLO WORLD', 'uppercase order');
@@ -881,7 +855,7 @@ function test_case() {
 
 // Tests the "trim" block.
 function test_trim() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $text = '   abc def   ';
   assertEquals(trim($text), 'abc def', 'trim both');
   assertEquals(trim(true ? $text : null), 'abc def', 'trim both order');
@@ -893,7 +867,7 @@ function test_trim() {
 
 // Tests the "trim" block.
 function test_count_text() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $text = 'woolloomooloo';
   assertEquals(strlen('o') === 0 ? strlen($text) + 1 : substr_count($text, 'o'), 8, 'len 1');
   assertEquals(strlen('oo') === 0 ? strlen($text) + 1 : substr_count($text, 'oo'), 4, 'len 2');
@@ -906,7 +880,7 @@ function test_count_text() {
 
 // Tests the "trim" block.
 function test_text_reverse() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(strrev(''), '', 'empty string');
   assertEquals(strrev('a'), 'a', 'len 1');
   assertEquals(strrev('ab'), 'ba', 'len 2');
@@ -915,7 +889,7 @@ function test_text_reverse() {
 
 // Tests the "trim" block.
 function test_replace() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(str_replace('oo', '123', 'woolloomooloo'), 'w123ll123m123l123', 'replace all instances 1');
   assertEquals(str_replace('.oo', 'X', 'woolloomooloo'), 'woolloomooloo', 'literal string replacement');
   assertEquals(str_replace('abc', 'X', 'woolloomooloo'), 'woolloomooloo', 'not found');
@@ -928,7 +902,7 @@ function test_replace() {
 // Checks that the number of calls is one in order
 // to confirm that a function was only called once.
 function check_number_of_calls2($test_name) {
-  global $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $test_name .= 'number of calls';
   assertEquals($number_of_calls, 1, $test_name);
 }
@@ -943,7 +917,7 @@ function lists_repeat($value, $count) {
 
 // Tests the "create list with" and "create empty list" blocks.
 function test_create_lists() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(array(), array(), 'create empty');
   assertEquals(array(true, 'love'), array(true, 'love'), 'create items');
   assertEquals(lists_repeat('Eject', 3), array('Eject', 'Eject', 'Eject'), 'create repeated');
@@ -952,13 +926,13 @@ function test_create_lists() {
 
 // Creates an empty list for use with the empty test.
 function get_empty_list() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   return array();
 }
 
 // Tests the "is empty" block.
 function test_lists_empty() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(empty((array(0))), false, 'not empty');
   assertEquals(empty((array())), true, 'empty');
   assertEquals(empty((get_empty_list())), true, 'empty complex');
@@ -967,7 +941,7 @@ function test_lists_empty() {
 
 // Tests the "length" block.
 function test_lists_length() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(length(array()), 0, 'zero length');
   assertEquals(length(array('cat')), 1, 'one length');
   assertEquals(length(array('cat', true, array())), 3, 'three length');
@@ -984,7 +958,7 @@ function lastIndexOf($haystack, $needle) {
 
 // Tests the "find" block with a variable.
 function test_find_lists_simple() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $list2 = array('Alice', 'Eve', 'Bob', 'Eve');
   assertEquals(indexOf($list2, 'Eve'), 2, 'find first simple');
   assertEquals(lastIndexOf($list2, 'Eve'), 4, 'find last simple');
@@ -993,14 +967,14 @@ function test_find_lists_simple() {
 
 // Creates a list for use with the find test.
 function get_names() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $number_of_calls += 1;
   return array('Alice', 'Eve', 'Bob', 'Eve');
 }
 
 // Tests the "find" block with a function call.
 function test_find_lists_complex() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $number_of_calls = 0;
   assertEquals(indexOf(get_names(), 'Eve'), 2, 'find first complex');
   check_number_of_calls('find first complex');
@@ -1027,7 +1001,7 @@ function lists_get_random_item($list) {
 
 // Tests the "get" block with a variable.
 function test_get_lists_simple() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $list2 = array('Kirk', 'Spock', 'McCoy');
   assertEquals($list2[0], 'Kirk', 'get first simple');
   assertEquals(end($list2), 'McCoy', 'get last simple');
@@ -1041,7 +1015,7 @@ function test_get_lists_simple() {
 
 // Tests the "get" block with create list call.
 function test_get_lists_create_list() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(array('Kirk', 'Spock', 'McCoy')[0], 'Kirk', 'get first create list');
   assertEquals(end(array('Kirk', 'Spock', 'McCoy')), 'McCoy', 'get last simple');
   assertEquals(indexOf(array('Kirk', 'Spock', 'McCoy'), lists_get_random_item(array('Kirk', 'Spock', 'McCoy'))) > 0, true, 'get random simple');
@@ -1054,14 +1028,14 @@ function test_get_lists_create_list() {
 
 // Creates a list for use with the get test.
 function get_star_wars() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $number_of_calls += 1;
   return array('Kirk', 'Spock', 'McCoy');
 }
 
 // Tests the "get" block with a function call.
 function test_get_lists_complex() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $list2 = array('Kirk', 'Spock', 'McCoy');
   $number_of_calls = 0;
   assertEquals(get_star_wars()[0], 'Kirk', 'get first complex');
@@ -1104,7 +1078,7 @@ function lists_get_remove_random_item(&$list) {
 
 // Tests the "get and remove" block.
 function test_getRemove() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $list2 = array('Kirk', 'Spock', 'McCoy');
   assertEquals(array_shift($list2), 'Kirk', 'getremove first');
   assertEquals($list2, array('Spock', 'McCoy'), 'getremove first list');
@@ -1144,7 +1118,7 @@ function lists_remove_random_item(&$list) {
 
 // Tests the "remove" block.
 function test_remove() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $list2 = array('Kirk', 'Spock', 'McCoy');
   array_shift($list2);
   assertEquals($list2, array('Spock', 'McCoy'), 'remove first list');
@@ -1189,7 +1163,7 @@ function lists_set_from_end(&$list, $at, $value) {
 
 // Tests the "set" block.
 function test_set() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $list2 = array('Picard', 'Riker', 'Crusher');
   $list2[0] = 'Jean-Luc';
   assertEquals($list2, array('Jean-Luc', 'Riker', 'Crusher'), 'set first list');
@@ -1233,7 +1207,7 @@ function lists_insert_from_end(&$list, $at, $value) {
 
 // Tests the "insert" block.
 function test_insert() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $list2 = array('Picard', 'Riker', 'Crusher');
   array_unshift($list2, 'Data');
   assertEquals($list2, array('Data', 'Picard', 'Riker', 'Crusher'), 'insert first list');
@@ -1273,7 +1247,7 @@ function test_insert() {
 
 // Tests the "get sub-list" block with a variable.
 function test_sublist_simple() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $list2 = array('Columbia', 'Challenger', 'Discovery', 'Atlantis', 'Endeavour');
   assertEquals(array_slice($list2, 1, 2 - 1 + 1), array('Challenger', 'Discovery'), 'sublist # simple');
   assertEquals(array_slice($list2, ((true ? 2 : null) - 1), ((true ? 3 : null) - 1) - ((true ? 2 : null) - 1) + 1), array('Challenger', 'Discovery'), 'sublist # simple order');
@@ -1299,7 +1273,7 @@ function test_sublist_simple() {
 
 // Creates a list for use with the sublist test.
 function get_space_shuttles() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $number_of_calls += 1;
   return array('Columbia', 'Challenger', 'Discovery', 'Atlantis', 'Endeavour');
 }
@@ -1327,7 +1301,7 @@ function lists_get_sublist($list, $where1, $at1, $where2, $at2) {
 
 // Tests the "get sub-list" block with a function call.
 function test_sublist_complex() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $number_of_calls = 0;
   assertEquals(array_slice(get_space_shuttles(), 1, 2 - 1 + 1), array('Challenger', 'Discovery'), 'sublist # start complex');
   check_number_of_calls('sublist # start complex');
@@ -1376,7 +1350,7 @@ function test_sublist_complex() {
 
 // Tests the "join" block.
 function test_join() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $list2 = array('Vulcan', 'Klingon', 'Borg');
   assertEquals(implode(',', $list2), 'Vulcan,Klingon,Borg', 'join');
   assertEquals(implode(',', true ? $list2 : null), 'Vulcan,Klingon,Borg', 'join order');
@@ -1384,7 +1358,7 @@ function test_join() {
 
 // Tests the "split" block.
 function test_split() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $text = 'Vulcan,Klingon,Borg';
   assertEquals(explode(',', $text), array('Vulcan', 'Klingon', 'Borg'), 'split');
   assertEquals(explode(',', true ? $text : null), array('Vulcan', 'Klingon', 'Borg'), 'split order');
@@ -1392,9 +1366,9 @@ function test_split() {
 
 function lists_sort($list, $type, $direction) {
   $sortCmpFuncs = array(
-    "NUMERIC" => "strnatcasecmp",
-    "TEXT" => "strcmp",
-    "IGNORE_CASE" => "strcasecmp"
+    'NUMERIC' => 'strnatcasecmp',
+    'TEXT' => 'strcmp',
+    'IGNORE_CASE' => 'strcasecmp'
   );
   $sortCmp = $sortCmpFuncs[$type];
   $list2 = $list;
@@ -1407,7 +1381,7 @@ function lists_sort($list, $type, $direction) {
 
 // Tests the "alphabetic sort" block.
 function test_sort_alphabetic() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $list2 = array('Vulcan', 'klingon', 'Borg');
   assertEquals(lists_sort($list2, "TEXT", 1), array('Borg', 'Vulcan', 'klingon'), 'sort alphabetic ascending');
   assertEquals(lists_sort(true ? $list2 : null, "TEXT", 1), array('Borg', 'Vulcan', 'klingon'), 'sort alphabetic ascending order');
@@ -1415,7 +1389,7 @@ function test_sort_alphabetic() {
 
 // Tests the "alphabetic sort ignore case" block.
 function test_sort_ignoreCase() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $list2 = array('Vulcan', 'klingon', 'Borg');
   assertEquals(lists_sort($list2, "IGNORE_CASE", 1), array('Borg', 'klingon', 'Vulcan'), 'sort ignore case ascending');
   assertEquals(lists_sort(true ? $list2 : null, "IGNORE_CASE", 1), array('Borg', 'klingon', 'Vulcan'), 'sort ignore case ascending order');
@@ -1423,7 +1397,7 @@ function test_sort_ignoreCase() {
 
 // Tests the "numeric sort" block.
 function test_sort_numeric() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $list2 = array(8, 18, -1);
   assertEquals(lists_sort($list2, "NUMERIC", -1), array(18, 8, -1), 'sort numeric descending');
   assertEquals(lists_sort(true ? $list2 : null, "NUMERIC", -1), array(18, 8, -1), 'sort numeric descending order');
@@ -1431,7 +1405,7 @@ function test_sort_numeric() {
 
 // Tests the "list reverse" block.
 function test_lists_reverse() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $list2 = array(8, 18, -1, 64);
   assertEquals(array_reverse($list2), array(64, -1, 18, 8), 'reverse a copy');
   assertEquals($list2, array(8, 18, -1, 64), 'reverse a copy original');
@@ -1439,73 +1413,9 @@ function test_lists_reverse() {
   assertEquals(array_reverse($list2), array(), 'empty list');
 }
 
-// Describe this function...
-function test_colour_picker() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
-  assertEquals('#ff6600', '#ff6600', 'static colour');
-}
-
-function colour_rgb($r, $g, $b) {
-  $r = round(max(min($r, 100), 0) * 2.55);
-  $g = round(max(min($g, 100), 0) * 2.55);
-  $b = round(max(min($b, 100), 0) * 2.55);
-  $hex = '#';
-  $hex .= str_pad(dechex($r), 2, '0', STR_PAD_LEFT);
-  $hex .= str_pad(dechex($g), 2, '0', STR_PAD_LEFT);
-  $hex .= str_pad(dechex($b), 2, '0', STR_PAD_LEFT);
-  return $hex;
-}
-
-// Describe this function...
-function test_rgb() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
-  assertEquals(colour_rgb(100, 40, 0), '#ff6600', 'from rgb');
-}
-
-function colour_random() {
-  return '#' . str_pad(dechex(mt_rand(0, 0xFFFFFF)), 6, '0', STR_PAD_LEFT);
-}
-
-// Describe this function...
-function test_colour_random() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
-  for ($count4 = 0; $count4 < 100; $count4++) {
-    $item = colour_random();
-    assertEquals(length($item), 7, 'length of random colour string: ' . $item);
-    assertEquals(substr($item, 0, 1), '#', 'format of random colour string: ' . $item);
-    for ($i = 1; $i <= 6; $i++) {
-      assertEquals(0 != text_indexOf('abcdefABDEF0123456789', substr($item, (($i + 1) - 1), 1)), true, implode('', array('contents of random colour string: ',$item,' at index: ',$i + 1)));
-    }
-  }
-}
-
-function colour_blend($c1, $c2, $ratio) {
-  $ratio = max(min($ratio, 1), 0);
-  $r1 = hexdec(substr($c1, 1, 2));
-  $g1 = hexdec(substr($c1, 3, 2));
-  $b1 = hexdec(substr($c1, 5, 2));
-  $r2 = hexdec(substr($c2, 1, 2));
-  $g2 = hexdec(substr($c2, 3, 2));
-  $b2 = hexdec(substr($c2, 5, 2));
-  $r = round($r1 * (1 - $ratio) + $r2 * $ratio);
-  $g = round($g1 * (1 - $ratio) + $g2 * $ratio);
-  $b = round($b1 * (1 - $ratio) + $b2 * $ratio);
-  $hex = '#';
-  $hex .= str_pad(dechex($r), 2, '0', STR_PAD_LEFT);
-  $hex .= str_pad(dechex($g), 2, '0', STR_PAD_LEFT);
-  $hex .= str_pad(dechex($b), 2, '0', STR_PAD_LEFT);
-  return $hex;
-}
-
-// Describe this function...
-function test_blend() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
-  assertEquals(colour_blend('#ff0000', colour_rgb(100, 40, 0), 0.4), '#ff2900', 'blend');
-}
-
 // Describe this function...
 function test_procedure() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   procedure_1(8, 2);
   assertEquals($proc_z, 4, 'procedure with global');
   $proc_w = false;
@@ -1518,13 +1428,13 @@ function test_procedure() {
 
 // Describe this function...
 function procedure_1($proc_x, $proc_y) {
-  global $test_name, $naked, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $proc_z = $proc_x / $proc_y;
 }
 
 // Describe this function...
 function procedure_2($proc_x) {
-  global $test_name, $naked, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   if ($proc_x) {
     return;
   }
@@ -1533,7 +1443,7 @@ function procedure_2($proc_x) {
 
 // Describe this function...
 function test_function() {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   assertEquals(function_1(2, 3), -1, 'function with arguments');
   assertEquals($func_z, 'side effect', 'function with side effect');
   $func_a = 'unchanged';
@@ -1546,21 +1456,21 @@ function test_function() {
 
 // Describe this function...
 function function_1($func_x, $func_y) {
-  global $test_name, $naked, $proc_x, $proc_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_a, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $func_z = 'side effect';
   return $func_x - $func_y;
 }
 
 // Describe this function...
 function function_2($func_a) {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   $func_a += 1;
   return $func_a . $func_c;
 }
 
 // Describe this function...
 function function_3($func_a) {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $n, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   if ($func_a) {
     return true;
   }
@@ -1569,7 +1479,7 @@ function function_3($func_a) {
 
 // Describe this function...
 function recurse($n) {
-  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $i, $loglist, $changing_list, $list_copy, $unittestResults;
+  global $test_name, $naked, $proc_x, $proc_y, $func_x, $func_y, $func_a, $ok, $log, $count, $varToChange, $rand, $item, $text, $number_of_calls, $list2, $proc_z, $func_z, $x, $proc_w, $func_c, $if2, $loglist, $changing_list, $list_copy, $unittestResults;
   if ($n > 0) {
     $text = implode('', array(recurse($n - 1),$n,recurse($n - 1)));
   } else {
@@ -1680,15 +1590,6 @@ function recurse($n) {
 print(unittest_report());
 $unittestResults = null;
 
-$unittestResults = array();
-print("\n====================\n\nRunning suite: Colour\n");
-test_colour_picker();
-test_blend();
-test_rgb();
-test_colour_random();
-print(unittest_report());
-$unittestResults = null;
-
 $unittestResults = array();
 print("\n====================\n\nRunning suite: Variables\n");
 $item = 123;
diff --git a/tests/generators/golden/generated.py b/tests/generators/golden/generated.py
index 7ec405a17b2..bafa0983b5a 100644
--- a/tests/generators/golden/generated.py
+++ b/tests/generators/golden/generated.py
@@ -27,7 +27,6 @@
 proc_w = None
 func_c = None
 if2 = None
-i = None
 loglist = None
 changing_list = None
 list_copy = None
@@ -73,7 +72,7 @@ def fail(message):
 
 # Describe this function...
 def test_if():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   if False:
     fail('if false')
   ok = False
@@ -105,7 +104,7 @@ def test_if():
 
 # Describe this function...
 def test_ifelse():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   ok = False
   if True:
     ok = True
@@ -121,7 +120,7 @@ def test_ifelse():
 
 # Describe this function...
 def test_equalities():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(2 == 2, True, 'Equal yes')
   assertEquals(3 == 4, False, 'Equal no')
   assertEquals(5 != 6, True, 'Not equal yes')
@@ -137,7 +136,7 @@ def test_equalities():
 
 # Describe this function...
 def test_and():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(True and True, True, 'And true/true')
   assertEquals(False and True, False, 'And false/true')
   assertEquals(True and False, False, 'And true/false')
@@ -145,7 +144,7 @@ def test_and():
 
 # Describe this function...
 def test_or():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(True or True, True, 'Or true/true')
   assertEquals(False or True, True, 'Or false/true')
   assertEquals(True or False, True, 'Or true/false')
@@ -153,13 +152,13 @@ def test_or():
 
 # Describe this function...
 def test_ternary():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(42 if True else 99, 42, 'if true')
   assertEquals(42 if False else 99, 99, 'if true')
 
 # Describe this function...
 def test_foreach():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   log = ''
   for x in ['a', 'b', 'c']:
     log = str(log) + str(x)
@@ -167,7 +166,7 @@ def test_foreach():
 
 # Describe this function...
 def test_repeat():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   count = 0
   for count2 in range(10):
     count = (count if isinstance(count, Number) else 0) + 1
@@ -175,7 +174,7 @@ def test_repeat():
 
 # Describe this function...
 def test_while():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   while False:
     fail('while 0')
   while not True:
@@ -191,7 +190,7 @@ def test_while():
 
 # Describe this function...
 def test_repeat_ext():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   count = 0
   for count3 in range(10):
     count = (count if isinstance(count, Number) else 0) + 1
@@ -209,7 +208,7 @@ def downRange(start, stop, step):
 
 # Describe this function...
 def test_count_by():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   log = ''
   for x in range(1, 9, 2):
     log = str(log) + str(x)
@@ -223,29 +222,29 @@ def test_count_by():
     loglist.append(x)
   assertEquals(loglist, [1, 2.5, 4, 5.5, 7], 'count with floats')
   loglist = []
-  x_start = float(1 + 0)
-  x_end = float(8 + 0)
-  x_inc = float(1 - 2)
+  x_start = 1 + 0
+  x_end = 8 + 0
+  x_inc = 1 - 2
   for x in (x_start <= x_end) and upRange(x_start, x_end, x_inc) or downRange(x_start, x_end, x_inc):
     loglist.append(x)
   assertEquals(loglist, [1, 2, 3, 4, 5, 6, 7, 8], 'count up non-trivial ints')
   loglist = []
-  x_start2 = float(8 + 0)
-  x_end2 = float(1 + 0)
+  x_start2 = 8 + 0
+  x_end2 = 1 + 0
   for x in (x_start2 <= x_end2) and upRange(x_start2, x_end2, 2) or downRange(x_start2, x_end2, 2):
     loglist.append(x)
   assertEquals(loglist, [8, 6, 4, 2], 'count down non-trivial ints')
   loglist = []
-  x_start3 = float(5 + 0.5)
-  x_end3 = float(1 + 0)
-  x_inc2 = float(1 + 0)
+  x_start3 = 5 + 0.5
+  x_end3 = 1 + 0
+  x_inc2 = 1 + 0
   for x in (x_start3 <= x_end3) and upRange(x_start3, x_end3, x_inc2) or downRange(x_start3, x_end3, x_inc2):
     loglist.append(x)
   assertEquals(loglist, [5.5, 4.5, 3.5, 2.5, 1.5], 'count with floats')
 
 # Describe this function...
 def test_count_loops():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   log = ''
   for x in range(1, 9):
     log = str(log) + str(x)
@@ -255,21 +254,21 @@ def test_count_loops():
     log = str(log) + str(x)
   assertEquals(log, '87654321', 'count down')
   loglist = []
-  x_start4 = float(1 + 0)
-  x_end4 = float(4 + 0)
+  x_start4 = 1 + 0
+  x_end4 = 4 + 0
   for x in (x_start4 <= x_end4) and upRange(x_start4, x_end4, 1) or downRange(x_start4, x_end4, 1):
     loglist.append(x)
   assertEquals(loglist, [1, 2, 3, 4], 'count up non-trivial')
   loglist = []
-  x_start5 = float(3 + 1)
-  x_end5 = float(1 + 0)
+  x_start5 = 3 + 1
+  x_end5 = 1 + 0
   for x in (x_start5 <= x_end5) and upRange(x_start5, x_end5, 1) or downRange(x_start5, x_end5, 1):
     loglist.append(x)
   assertEquals(loglist, [4, 3, 2, 1], 'count down non-trivial')
 
 # Describe this function...
 def test_continue():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   log = ''
   count = 0
   while count != 8:
@@ -301,7 +300,7 @@ def test_continue():
 
 # Describe this function...
 def test_break():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   count = 1
   while count != 10:
     if count == 5:
@@ -329,7 +328,7 @@ def test_break():
 
 # Tests the "single" block.
 def test_single():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(math.sqrt(25), 5, 'sqrt')
   assertEquals(math.fabs(-25), 25, 'abs')
   assertEquals(-(-25), 25, 'negate')
@@ -341,7 +340,7 @@ def test_single():
 # Tests the "arithmetic" block for all operations and checks
 # parenthesis are properly generated for different orders.
 def test_arithmetic():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(1 + 2, 3, 'add')
   assertEquals(1 - 2, -1, 'subtract')
   assertEquals(1 - (0 + 2), -1, 'subtract order with add')
@@ -355,7 +354,7 @@ def test_arithmetic():
 
 # Tests the "trig" block.
 def test_trig():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(math.sin(90 / 180.0 * math.pi), 1, 'sin')
   assertEquals(math.cos(180 / 180.0 * math.pi), -1, 'cos')
   assertEquals(math.tan(0 / 180.0 * math.pi), 0, 'tan')
@@ -365,7 +364,7 @@ def test_trig():
 
 # Tests the "constant" blocks.
 def test_constant():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(math.floor(math.pi * 1000), 3141, 'const pi')
   assertEquals(math.floor(math.e * 1000), 2718, 'const e')
   assertEquals(math.floor(((1 + math.sqrt(5)) / 2) * 1000), 1618, 'const golden')
@@ -394,27 +393,31 @@ def math_isPrime(n):
 
 # Tests the "number property" blocks.
 def test_number_properties():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(42 % 2 == 0, True, 'even')
   assertEquals(42.1 % 2 == 1, False, 'odd')
   assertEquals(math_isPrime(5), True, 'prime 5')
+  assertEquals(math_isPrime(5 + 2), True, 'prime 5 + 2 (extra parentheses)')
   assertEquals(math_isPrime(25), False, 'prime 25')
   assertEquals(math_isPrime(-31.1), False, 'prime negative')
   assertEquals(math.pi % 1 == 0, False, 'whole')
   assertEquals(float('inf') > 0, True, 'positive')
+  assertEquals(5 + 2 > 0, True, '5 + 2 is positive (extra parentheses)')
   assertEquals(-42 < 0, True, 'negative')
+  assertEquals(3 + 2 < 0, False, '3 + 2 is negative (extra parentheses)')
   assertEquals(42 % 2 == 0, True, 'divisible')
+  assertEquals(not False, True, 'divisible by 0')
 
 # Tests the "round" block.
 def test_round():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(round(42.42), 42, 'round')
   assertEquals(math.ceil(-42.42), -42, 'round up')
   assertEquals(math.floor(42.42), 42, 'round down')
 
 # Tests the "change" block.
 def test_change():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   varToChange = 100
   varToChange = (varToChange if isinstance(varToChange, Number) else 0) + 42
   assertEquals(varToChange, 142, 'change')
@@ -466,7 +469,7 @@ def first_index(my_list, elem):
 
 # Tests the "list operation" blocks.
 def test_operations_on_list():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(sum([3, 4, 5]), 12, 'sum')
   assertEquals(min([3, 4, 5]), 3, 'min')
   assertEquals(max([3, 4, 5]), 5, 'max')
@@ -479,43 +482,43 @@ def test_operations_on_list():
 
 # Tests the "mod" block.
 def test_mod():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(42 % 5, 2, 'mod')
 
 # Tests the "constrain" block.
 def test_constraint():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(min(max(100, 0), 42), 42, 'constraint')
 
 # Tests the "random integer" block.
 def test_random_integer():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   rand = random.randint(5, 10)
   assertEquals(rand >= 5 and rand <= 10, True, 'randRange')
   assertEquals(rand % 1 == 0, True, 'randInteger')
 
 # Tests the "random fraction" block.
 def test_random_fraction():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   rand = random.random()
   assertEquals(rand >= 0 and rand <= 1, True, 'randFloat')
 
 # Describe this function...
 def test_atan2():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(math.atan2(5, -5) / math.pi * 180, 135, 'atan2')
   assertEquals(math.atan2(-12, 0) / math.pi * 180, -90, 'atan2')
 
 # Checks that the number of calls is one in order
 # to confirm that a function was only called once.
 def check_number_of_calls(test_name):
-  global naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   test_name = str(test_name) + 'number of calls'
   assertEquals(number_of_calls, 1, test_name)
 
 # Tests the "create text with" block with varying number of inputs.
 def test_create_text():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals('', '', 'no text')
   assertEquals('Hello', 'Hello', 'create single')
   assertEquals(str(-1), '-1', 'create single number')
@@ -526,12 +529,12 @@ def test_create_text():
 
 # Creates an empty string for use with the empty test.
 def get_empty():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   return ''
 
 # Tests the "is empty" block".
 def test_empty_text():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(not len('Google'), False, 'not empty')
   assertEquals(not len(''), True, 'empty')
   assertEquals(not len(get_empty()), True, 'empty complex')
@@ -539,14 +542,14 @@ def test_empty_text():
 
 # Tests the "length" block.
 def test_text_length():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(len(''), 0, 'zero length')
   assertEquals(len('Google'), 6, 'non-zero length')
   assertEquals(len('car' if True else None), 3, 'length order')
 
 # Tests the "append text" block with different types of parameters.
 def test_append():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   item = 'Miserable'
   item = str(item) + 'Failure'
   assertEquals(item, 'MiserableFailure', 'append text')
@@ -559,7 +562,7 @@ def test_append():
 
 # Tests the "find" block with a variable.
 def test_find_text_simple():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   text = 'Banana'
   assertEquals(text.find('an') + 1, 2, 'find first simple')
   assertEquals(text.rfind('an') + 1, 4, 'find last simple')
@@ -567,13 +570,13 @@ def test_find_text_simple():
 
 # Creates a string for use with the find test.
 def get_fruit():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   number_of_calls = (number_of_calls if isinstance(number_of_calls, Number) else 0) + 1
   return 'Banana'
 
 # Tests the "find" block with a function call.
 def test_find_text_complex():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   number_of_calls = 0
   assertEquals(get_fruit().find('an') + 1, 2, 'find first complex')
   check_number_of_calls('find first complex')
@@ -595,11 +598,11 @@ def test_find_text_complex():
 
 def text_random_letter(text):
   x = int(random.random() * len(text))
-  return text[x];
+  return text[x]
 
 # Tests the "get letter" block with a variable.
 def test_get_text_simple():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   text = 'Blockly'
   assertEquals(text[0], 'B', 'get first simple')
   assertEquals(text[-1], 'y', 'get last simple')
@@ -612,13 +615,13 @@ def test_get_text_simple():
 
 # Creates a string for use with the get test.
 def get_Blockly():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   number_of_calls = (number_of_calls if isinstance(number_of_calls, Number) else 0) + 1
   return 'Blockly'
 
 # Tests the "get letter" block with a function call.
 def test_get_text_complex():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   text = 'Blockly'
   number_of_calls = 0
   assertEquals(get_Blockly()[0], 'B', 'get first complex')
@@ -636,7 +639,7 @@ def test_get_text_complex():
   assertEquals(text.find(text_random_letter(get_Blockly())) + 1 > 0, True, 'get random complex')
   check_number_of_calls('get random complex')
   number_of_calls = 0
-  assertEquals(text.find(text_random_letter((get_Blockly() if True else None))) + 1 > 0, True, 'get random order complex')
+  assertEquals(text.find(text_random_letter(get_Blockly() if True else None)) + 1 > 0, True, 'get random order complex')
   check_number_of_calls('get random order complex')
   number_of_calls = 0
   assertEquals(get_Blockly()[2], 'o', 'get # complex')
@@ -654,13 +657,13 @@ def test_get_text_complex():
 
 # Creates a string for use with the substring test.
 def get_numbers():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   number_of_calls = (number_of_calls if isinstance(number_of_calls, Number) else 0) + 1
   return '123456789'
 
 # Tests the "get substring" block with a variable.
 def test_substring_simple():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   text = '123456789'
   assertEquals(text[1 : 3], '23', 'substring # simple')
   assertEquals(text[int((2 if True else None) - 1) : int(3 if True else None)], '23', 'substring # simple order')
@@ -681,7 +684,7 @@ def test_substring_simple():
 
 # Tests the "get substring" block with a function call.
 def test_substring_complex():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   number_of_calls = 0
   assertEquals(get_numbers()[1 : 3], '23', 'substring # complex')
   check_number_of_calls('substring # complex')
@@ -729,7 +732,7 @@ def test_substring_complex():
 
 # Tests the "change casing" block.
 def test_case():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   text = 'Hello World'
   assertEquals(text.upper(), 'HELLO WORLD', 'uppercase')
   assertEquals((text if True else None).upper(), 'HELLO WORLD', 'uppercase order')
@@ -742,7 +745,7 @@ def test_case():
 
 # Tests the "trim" block.
 def test_trim():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   text = '   abc def   '
   assertEquals(text.strip(), 'abc def', 'trim both')
   assertEquals((text if True else None).strip(), 'abc def', 'trim both order')
@@ -753,7 +756,7 @@ def test_trim():
 
 # Tests the "trim" block.
 def test_count_text():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   text = 'woolloomooloo'
   assertEquals(text.count('o'), 8, 'len 1')
   assertEquals(text.count('oo'), 4, 'len 2')
@@ -765,7 +768,7 @@ def test_count_text():
 
 # Tests the "trim" block.
 def test_text_reverse():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(''[::-1], '', 'empty string')
   assertEquals('a'[::-1], 'a', 'len 1')
   assertEquals('ab'[::-1], 'ba', 'len 2')
@@ -773,7 +776,7 @@ def test_text_reverse():
 
 # Tests the "trim" block.
 def test_replace():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals('woolloomooloo'.replace('oo', '123'), 'w123ll123m123l123', 'replace all instances 1')
   assertEquals('woolloomooloo'.replace('.oo', 'X'), 'woolloomooloo', 'literal string replacement')
   assertEquals('woolloomooloo'.replace('abc', 'X'), 'woolloomooloo', 'not found')
@@ -785,13 +788,13 @@ def test_replace():
 # Checks that the number of calls is one in order
 # to confirm that a function was only called once.
 def check_number_of_calls2(test_name):
-  global naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   test_name = str(test_name) + 'number of calls'
   assertEquals(number_of_calls, 1, test_name)
 
 # Tests the "create list with" and "create empty list" blocks.
 def test_create_lists():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals([], [], 'create empty')
   assertEquals([True, 'love'], [True, 'love'], 'create items')
   assertEquals(['Eject'] * 3, ['Eject', 'Eject', 'Eject'], 'create repeated')
@@ -799,12 +802,12 @@ def test_create_lists():
 
 # Creates an empty list for use with the empty test.
 def get_empty_list():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   return []
 
 # Tests the "is empty" block.
 def test_lists_empty():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(not len([0]), False, 'not empty')
   assertEquals(not len([]), True, 'empty')
   assertEquals(not len(get_empty_list()), True, 'empty complex')
@@ -812,7 +815,7 @@ def test_lists_empty():
 
 # Tests the "length" block.
 def test_lists_length():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(len([]), 0, 'zero length')
   assertEquals(len(['cat']), 1, 'one length')
   assertEquals(len(['cat', True, []]), 3, 'three length')
@@ -825,7 +828,7 @@ def last_index(my_list, elem):
 
 # Tests the "find" block with a variable.
 def test_find_lists_simple():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   list2 = ['Alice', 'Eve', 'Bob', 'Eve']
   assertEquals(first_index(list2, 'Eve'), 2, 'find first simple')
   assertEquals(last_index(list2, 'Eve'), 4, 'find last simple')
@@ -833,13 +836,13 @@ def test_find_lists_simple():
 
 # Creates a list for use with the find test.
 def get_names():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   number_of_calls = (number_of_calls if isinstance(number_of_calls, Number) else 0) + 1
   return ['Alice', 'Eve', 'Bob', 'Eve']
 
 # Tests the "find" block with a function call.
 def test_find_lists_complex():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   number_of_calls = 0
   assertEquals(first_index(get_names(), 'Eve'), 2, 'find first complex')
   check_number_of_calls('find first complex')
@@ -861,7 +864,7 @@ def test_find_lists_complex():
 
 # Tests the "get" block with a variable.
 def test_get_lists_simple():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   list2 = ['Kirk', 'Spock', 'McCoy']
   assertEquals(list2[0], 'Kirk', 'get first simple')
   assertEquals(list2[-1], 'McCoy', 'get last simple')
@@ -874,7 +877,7 @@ def test_get_lists_simple():
 
 # Tests the "get" block with create list call.
 def test_get_lists_create_list():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(['Kirk', 'Spock', 'McCoy'][0], 'Kirk', 'get first create list')
   assertEquals(['Kirk', 'Spock', 'McCoy'][-1], 'McCoy', 'get last simple')
   assertEquals(first_index(['Kirk', 'Spock', 'McCoy'], random.choice(['Kirk', 'Spock', 'McCoy'])) > 0, True, 'get random simple')
@@ -886,13 +889,13 @@ def test_get_lists_create_list():
 
 # Creates a list for use with the get test.
 def get_star_wars():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   number_of_calls = (number_of_calls if isinstance(number_of_calls, Number) else 0) + 1
   return ['Kirk', 'Spock', 'McCoy']
 
 # Tests the "get" block with a function call.
 def test_get_lists_complex():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   list2 = ['Kirk', 'Spock', 'McCoy']
   number_of_calls = 0
   assertEquals(get_star_wars()[0], 'Kirk', 'get first complex')
@@ -932,7 +935,7 @@ def lists_remove_random_item(myList):
 
 # Tests the "get and remove" block.
 def test_getRemove():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   list2 = ['Kirk', 'Spock', 'McCoy']
   assertEquals(list2.pop(0), 'Kirk', 'getremove first')
   assertEquals(list2, ['Spock', 'McCoy'], 'getremove first list')
@@ -967,7 +970,7 @@ def test_getRemove():
 
 # Tests the "remove" block.
 def test_remove():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   list2 = ['Kirk', 'Spock', 'McCoy']
   list2.pop(0)
   assertEquals(list2, ['Spock', 'McCoy'], 'remove first list')
@@ -1003,7 +1006,7 @@ def test_remove():
 
 # Tests the "set" block.
 def test_set():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   list2 = ['Picard', 'Riker', 'Crusher']
   list2[0] = 'Jean-Luc'
   assertEquals(list2, ['Jean-Luc', 'Riker', 'Crusher'], 'set first list')
@@ -1042,7 +1045,7 @@ def test_set():
 
 # Tests the "insert" block.
 def test_insert():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   list2 = ['Picard', 'Riker', 'Crusher']
   list2.insert(0, 'Data')
   assertEquals(list2, ['Data', 'Picard', 'Riker', 'Crusher'], 'insert first list')
@@ -1081,7 +1084,7 @@ def test_insert():
 
 # Tests the "get sub-list" block with a variable.
 def test_sublist_simple():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   list2 = ['Columbia', 'Challenger', 'Discovery', 'Atlantis', 'Endeavour']
   assertEquals(list2[1 : 3], ['Challenger', 'Discovery'], 'sublist # simple')
   assertEquals(list2[int((2 if True else None) - 1) : int(3 if True else None)], ['Challenger', 'Discovery'], 'sublist # simple order')
@@ -1106,13 +1109,13 @@ def test_sublist_simple():
 
 # Creates a list for use with the sublist test.
 def get_space_shuttles():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   number_of_calls = (number_of_calls if isinstance(number_of_calls, Number) else 0) + 1
   return ['Columbia', 'Challenger', 'Discovery', 'Atlantis', 'Endeavour']
 
 # Tests the "get sub-list" block with a function call.
 def test_sublist_complex():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   number_of_calls = 0
   assertEquals(get_space_shuttles()[1 : 3], ['Challenger', 'Discovery'], 'sublist # start complex')
   check_number_of_calls('sublist # start complex')
@@ -1160,14 +1163,14 @@ def test_sublist_complex():
 
 # Tests the "join" block.
 def test_join():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   list2 = ['Vulcan', 'Klingon', 'Borg']
   assertEquals(','.join(list2), 'Vulcan,Klingon,Borg', 'join')
   assertEquals(','.join(list2 if True else None), 'Vulcan,Klingon,Borg', 'join order')
 
 # Tests the "split" block.
 def test_split():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   text = 'Vulcan,Klingon,Borg'
   assertEquals(text.split(','), ['Vulcan', 'Klingon', 'Borg'], 'split')
   assertEquals((text if True else None).split(','), ['Vulcan', 'Klingon', 'Borg'], 'split order')
@@ -1189,78 +1192,37 @@ def try_float(s):
 
 # Tests the "alphabetic sort" block.
 def test_sort_alphabetic():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   list2 = ['Vulcan', 'klingon', 'Borg']
   assertEquals(lists_sort(list2, "TEXT", False), ['Borg', 'Vulcan', 'klingon'], 'sort alphabetic ascending')
   assertEquals(lists_sort(list2 if True else None, "TEXT", False), ['Borg', 'Vulcan', 'klingon'], 'sort alphabetic ascending order')
 
 # Tests the "alphabetic sort ignore case" block.
 def test_sort_ignoreCase():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   list2 = ['Vulcan', 'klingon', 'Borg']
   assertEquals(lists_sort(list2, "IGNORE_CASE", False), ['Borg', 'klingon', 'Vulcan'], 'sort ignore case ascending')
   assertEquals(lists_sort(list2 if True else None, "IGNORE_CASE", False), ['Borg', 'klingon', 'Vulcan'], 'sort ignore case ascending order')
 
 # Tests the "numeric sort" block.
 def test_sort_numeric():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   list2 = [8, 18, -1]
   assertEquals(lists_sort(list2, "NUMERIC", True), [18, 8, -1], 'sort numeric descending')
   assertEquals(lists_sort(list2 if True else None, "NUMERIC", True), [18, 8, -1], 'sort numeric descending order')
 
 # Tests the "list reverse" block.
 def test_lists_reverse():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   list2 = [8, 18, -1, 64]
   assertEquals(list(reversed(list2)), [64, -1, 18, 8], 'reverse a copy')
   assertEquals(list2, [8, 18, -1, 64], 'reverse a copy original')
   list2 = []
   assertEquals(list(reversed(list2)), [], 'empty list')
 
-# Describe this function...
-def test_colour_picker():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
-  assertEquals('#ff6600', '#ff6600', 'static colour')
-
-def colour_rgb(r, g, b):
-  r = round(min(100, max(0, r)) * 2.55)
-  g = round(min(100, max(0, g)) * 2.55)
-  b = round(min(100, max(0, b)) * 2.55)
-  return '#%02x%02x%02x' % (r, g, b)
-
-# Describe this function...
-def test_rgb():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
-  assertEquals(colour_rgb(100, 40, 0), '#ff6600', 'from rgb')
-
-# Describe this function...
-def test_colour_random():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
-  for count4 in range(100):
-    item = '#%06x' % random.randint(0, 2**24 - 1)
-    assertEquals(len(item), 7, 'length of random colour string: ' + str(item))
-    assertEquals(item[0], '#', 'format of random colour string: ' + str(item))
-    for i in range(1, 7):
-      assertEquals(0 != 'abcdefABDEF0123456789'.find(item[int((i + 1) - 1)]) + 1, True, ''.join([str(x4) for x4 in ['contents of random colour string: ', item, ' at index: ', i + 1]]))
-
-def colour_blend(colour1, colour2, ratio):
-  r1, r2 = int(colour1[1:3], 16), int(colour2[1:3], 16)
-  g1, g2 = int(colour1[3:5], 16), int(colour2[3:5], 16)
-  b1, b2 = int(colour1[5:7], 16), int(colour2[5:7], 16)
-  ratio = min(1, max(0, ratio))
-  r = round(r1 * (1 - ratio) + r2 * ratio)
-  g = round(g1 * (1 - ratio) + g2 * ratio)
-  b = round(b1 * (1 - ratio) + b2 * ratio)
-  return '#%02x%02x%02x' % (r, g, b)
-
-# Describe this function...
-def test_blend():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
-  assertEquals(colour_blend('#ff0000', colour_rgb(100, 40, 0), 0.4), '#ff2900', 'blend')
-
 # Describe this function...
 def test_procedure():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   procedure_1(8, 2)
   assertEquals(proc_z, 4, 'procedure with global')
   proc_w = False
@@ -1272,19 +1234,19 @@ def test_procedure():
 
 # Describe this function...
 def procedure_1(proc_x, proc_y):
-  global test_name, naked, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   proc_z = proc_x / proc_y
 
 # Describe this function...
 def procedure_2(proc_x):
-  global test_name, naked, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   if proc_x:
     return
   proc_w = True
 
 # Describe this function...
 def test_function():
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   assertEquals(function_1(2, 3), -1, 'function with arguments')
   assertEquals(func_z, 'side effect', 'function with side effect')
   func_a = 'unchanged'
@@ -1296,28 +1258,28 @@ def test_function():
 
 # Describe this function...
 def function_1(func_x, func_y):
-  global test_name, naked, proc_x, proc_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_a, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   func_z = 'side effect'
   return func_x - func_y
 
 # Describe this function...
 def function_2(func_a):
-  global test_name, naked, proc_x, proc_y, func_x, func_y, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   func_a = (func_a if isinstance(func_a, Number) else 0) + 1
   return str(func_a) + str(func_c)
 
 # Describe this function...
 def function_3(func_a):
-  global test_name, naked, proc_x, proc_y, func_x, func_y, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, n, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   if func_a:
     return True
   return False
 
 # Describe this function...
 def recurse(n):
-  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, i, loglist, changing_list, list_copy, unittestResults
+  global test_name, naked, proc_x, proc_y, func_x, func_y, func_a, ok, log, count, varToChange, rand, item, text, number_of_calls, list2, proc_z, func_z, x, proc_w, func_c, if2, loglist, changing_list, list_copy, unittestResults
   if n > 0:
-    text = ''.join([str(x5) for x5 in [recurse(n - 1), n, recurse(n - 1)]])
+    text = ''.join([str(x4) for x4 in [recurse(n - 1), n, recurse(n - 1)]])
   else:
     text = '-'
   return text
@@ -1424,15 +1386,6 @@ def recurse(n):
 print(unittest_report())
 unittestResults = None
 
-unittestResults = []
-print('\n====================\n\nRunning suite: Colour')
-test_colour_picker()
-test_blend()
-test_rgb()
-test_colour_random()
-print(unittest_report())
-unittestResults = None
-
 unittestResults = []
 print('\n====================\n\nRunning suite: Variables')
 item = 123
diff --git a/tests/generators/index.html b/tests/generators/index.html
index a7082e2868b..9ec1db7731d 100644
--- a/tests/generators/index.html
+++ b/tests/generators/index.html
@@ -3,91 +3,27 @@
 <head>
 <meta charset="utf-8">
 <title>Blockly Generator Tests</title>
-<script src="../../blockly_uncompressed.js"></script>
-
-<script src="../../generators/javascript.js"></script>
-<script src="unittest_javascript.js"></script>
-<script src="../../generators/javascript/logic.js"></script>
-<script src="../../generators/javascript/loops.js"></script>
-<script src="../../generators/javascript/math.js"></script>
-<script src="../../generators/javascript/text.js"></script>
-<script src="../../generators/javascript/lists.js"></script>
-<script src="../../generators/javascript/colour.js"></script>
-<script src="../../generators/javascript/variables.js"></script>
-<script src="../../generators/javascript/procedures.js"></script>
-
-<script src="../../generators/python.js"></script>
-<script src="unittest_python.js"></script>
-<script src="../../generators/python/logic.js"></script>
-<script src="../../generators/python/loops.js"></script>
-<script src="../../generators/python/math.js"></script>
-<script src="../../generators/python/text.js"></script>
-<script src="../../generators/python/lists.js"></script>
-<script src="../../generators/python/colour.js"></script>
-<script src="../../generators/python/variables.js"></script>
-<script src="../../generators/python/procedures.js"></script>
-
-<script src="../../generators/php.js"></script>
-<script src="unittest_php.js"></script>
-<script src="../../generators/php/logic.js"></script>
-<script src="../../generators/php/loops.js"></script>
-<script src="../../generators/php/math.js"></script>
-<script src="../../generators/php/text.js"></script>
-<script src="../../generators/php/lists.js"></script>
-<script src="../../generators/php/colour.js"></script>
-<script src="../../generators/php/variables.js"></script>
-<script src="../../generators/php/procedures.js"></script>
-
-<script src="../../generators/lua.js"></script>
-<script src="unittest_lua.js"></script>
-<script src="../../generators/lua/logic.js"></script>
-<script src="../../generators/lua/loops.js"></script>
-<script src="../../generators/lua/math.js"></script>
-<script src="../../generators/lua/text.js"></script>
-<script src="../../generators/lua/lists.js"></script>
-<script src="../../generators/lua/colour.js"></script>
-<script src="../../generators/lua/variables.js"></script>
-<script src="../../generators/lua/procedures.js"></script>
-
-<script src="../../generators/dart.js"></script>
-<script src="unittest_dart.js"></script>
-<script src="../../generators/dart/logic.js"></script>
-<script src="../../generators/dart/loops.js"></script>
-<script src="../../generators/dart/math.js"></script>
-<script src="../../generators/dart/text.js"></script>
-<script src="../../generators/dart/lists.js"></script>
-<script src="../../generators/dart/colour.js"></script>
-<script src="../../generators/dart/variables.js"></script>
-<script src="../../generators/dart/procedures.js"></script>
-
-<script src="unittest.js"></script>
-<script src="../../msg/messages.js"></script>
-<script src="../../blocks/logic.js"></script>
-<script src="../../blocks/loops.js"></script>
-<script src="../../blocks/math.js"></script>
-<script src="../../blocks/text.js"></script>
-<script src="../../blocks/lists.js"></script>
-<script src="../../blocks/colour.js"></script>
-<script src="../../blocks/variables.js"></script>
-<script src="../../blocks/procedures.js"></script>
-
 <script>
-'use strict';
+// N.B.: This script depends on the following (module) script to load
+// Blockly, the code generators, and the unittest*.js scripts.  The
+// module script actually gets executed after this one, so although
+// Blockly will be available when the defined global functions are
+// called it isn't yet available when this script runs.
 
 var demoWorkspace = null;
-var outputCode = '';
 
 function start() {
-  demoWorkspace = Blockly.inject('blocklyDiv',
-      {grid:
-         {spacing: 25,
-          length: 3,
-          colour: '#ccc',
-          snap: true},
-       media: '../../media/',
-       toolbox: document.getElementById('toolbox'),
-       zoom: {controls: true, wheel: true}
-       });
+  demoWorkspace = Blockly.inject('blocklyDiv', {
+    grid: {
+      spacing: 25,
+      length: 3,
+      colour: '#ccc',
+      snap: true
+    },
+    media: '../../media/',
+    toolbox: document.getElementById('toolbox'),
+    zoom: {controls: true, wheel: true}
+  });
   changeIndex();
 }
 
@@ -177,7 +113,7 @@
     demoWorkspace.clear();
   }
   try {
-    var xmlDoc = Blockly.Xml.textToDom(xmlText);
+    var xmlDoc = Blockly.utils.xml.textToDom(xmlText);
     if (opt_append) {
       Blockly.Xml.appendDomToWorkspace(xmlDoc, demoWorkspace);
     } else {
@@ -225,33 +161,28 @@
 
 function toJavaScript() {
   var code = '\'use strict\';\n\n'
-  code += Blockly.JavaScript.workspaceToCode(demoWorkspace);
+  code += javascriptGenerator.workspaceToCode(demoWorkspace);
   setOutput(code);
-  outputCode = code;
 }
 
 function toPython() {
-  var code = Blockly.Python.workspaceToCode(demoWorkspace);
+  var code = pythonGenerator.workspaceToCode(demoWorkspace);
   setOutput(code);
-  outputCode = code;
 }
 
 function toPhp() {
-  var code = Blockly.PHP.workspaceToCode(demoWorkspace);
+  var code = phpGenerator.workspaceToCode(demoWorkspace);
   setOutput(code);
-  outputCode = code;
 }
 
 function toLua() {
-  var code = Blockly.Lua.workspaceToCode(demoWorkspace);
+  var code = luaGenerator.workspaceToCode(demoWorkspace);
   setOutput(code);
-  outputCode = code;
 }
 
 function toDart() {
-  var code = Blockly.Dart.workspaceToCode(demoWorkspace);
+  var code = dartGenerator.workspaceToCode(demoWorkspace);
   setOutput(code);
-  outputCode = code;
 }
 
 function changeIndex() {
@@ -261,6 +192,34 @@
 }
 </script>
 
+<script type="module">
+import {loadScript} from '../scripts/load.mjs';
+
+import * as Blockly from '../../build/blockly.loader.mjs';
+import '../../build/blocks.loader.mjs';
+import {dartGenerator} from '../../build/dart.loader.mjs';
+import {luaGenerator} from '../../build/lua.loader.mjs';
+import {javascriptGenerator} from '../../build/javascript.loader.mjs';
+import {phpGenerator} from '../../build/php.loader.mjs';
+import {pythonGenerator} from '../../build/python.loader.mjs';
+
+globalThis.dartGenerator = dartGenerator;
+globalThis.luaGenerator = luaGenerator;
+globalThis.javascriptGenerator = javascriptGenerator;
+globalThis.phpGenerator = phpGenerator;
+globalThis.pythonGenerator = pythonGenerator;
+
+await loadScript('../../build/msg/en.js');
+await loadScript('./unittest_javascript.js');
+await loadScript('./unittest_python.js');
+await loadScript('./unittest_php.js');
+await loadScript('./unittest_lua.js');
+await loadScript('./unittest_dart.js');
+await loadScript('./unittest.js');
+
+start();
+</script>
+
 <style>
 html, body {
   height: 100%;
@@ -290,7 +249,7 @@
 }
 </style>
 </head>
-<body onload="start()">
+<body>
 
   <div id="blocklyDiv"></div>
 
@@ -377,12 +336,6 @@
       <block type="lists_split"></block>
       <block type="lists_reverse"></block>
     </category>
-    <category name="Colour" colour="20">
-      <block type="colour_picker"></block>
-      <block type="colour_random"></block>
-      <block type="colour_rgb"></block>
-      <block type="colour_blend"></block>
-    </category>
     <sep></sep>
     <category name="Variables" colour="330" custom="VARIABLE"></category>
     <category name="Functions" colour="290" custom="PROCEDURE"></category>
@@ -404,7 +357,6 @@ <h1>Blockly Generator Tests</h1>
       <input type="checkbox" class="suite_checkbox" value="math.xml">Math</input><br/>
       <input type="checkbox" class="suite_checkbox" value="text.xml">Text</input><br/>
       <input type="checkbox" class="suite_checkbox" value="lists.xml">Lists</input><br/>
-      <input type="checkbox" class="suite_checkbox" value="colour.xml">Colour</input><br/>
       <input type="checkbox" class="suite_checkbox" value="variables.xml">Variables</input><br/>
       <input type="checkbox" class="suite_checkbox" value="functions.xml">Functions</input><br/>
     </div>
@@ -431,7 +383,7 @@ <h1>Blockly Generator Tests</h1>
       </div>
       <div style="display: inline-block;">
         <input type="button" value="Python" onclick="toPython()">
-        <br><a target="_blank" href="https://repl.it/languages/python">interpreter</a>
+        <br><a target="_blank" href="https://repl.it/languages/python3">interpreter</a>
       </div>
       <div style="display: inline-block;">
         <input type="button" value="PHP" onclick="toPhp()">
@@ -439,7 +391,7 @@ <h1>Blockly Generator Tests</h1>
       </div>
       <div style="display: inline-block;">
         <input type="button" value="Lua" onclick="toLua()">
-        <br><a target="_blank" href="http://rextester.com/l/lua_online_compiler">interpreter</a>
+        <br><a target="_blank" href="https://rextester.com/l/lua_online_compiler">interpreter</a>
       </div>
       <div style="display: inline-block;">
         <input type="button" value="Dart" onclick="toDart()">
diff --git a/tests/generators/math.xml b/tests/generators/math.xml
index ff079d2e1d6..682d143acb8 100644
--- a/tests/generators/math.xml
+++ b/tests/generators/math.xml
@@ -1,4 +1,8 @@
 <xml xmlns="https://developers.google.com/blockly/xml">
+  <variables>
+    <variable>varToChange</variable>
+    <variable>rand</variable>
+  </variables>
   <block type="unittest_main" x="13" y="13">
     <field name="SUITE_NAME">Math</field>
     <statement name="DO">
@@ -992,10 +996,10 @@
                 </value>
                 <next>
                   <block type="unittest_assertvalue" inline="false">
-                    <field name="EXPECTED">FALSE</field>
+                    <field name="EXPECTED">TRUE</field>
                     <value name="MESSAGE">
                       <block type="text">
-                        <field name="TEXT">prime 25</field>
+                        <field name="TEXT">prime 5 + 2 (extra parentheses)</field>
                       </block>
                     </value>
                     <value name="ACTUAL">
@@ -1003,8 +1007,18 @@
                         <mutation divisor_input="false"></mutation>
                         <field name="PROPERTY">PRIME</field>
                         <value name="NUMBER_TO_CHECK">
-                          <block type="math_number">
-                            <field name="NUM">25</field>
+                          <block type="math_arithmetic">
+                            <field name="OP">ADD</field>
+                            <value name="A">
+                              <block type="math_number">
+                                <field name="NUM">5</field>
+                              </block>
+                            </value>
+                            <value name="B">
+                              <block type="math_number">
+                                <field name="NUM">2</field>
+                              </block>
+                            </value>
                           </block>
                         </value>
                       </block>
@@ -1014,7 +1028,7 @@
                         <field name="EXPECTED">FALSE</field>
                         <value name="MESSAGE">
                           <block type="text">
-                            <field name="TEXT">prime negative</field>
+                            <field name="TEXT">prime 25</field>
                           </block>
                         </value>
                         <value name="ACTUAL">
@@ -1023,7 +1037,7 @@
                             <field name="PROPERTY">PRIME</field>
                             <value name="NUMBER_TO_CHECK">
                               <block type="math_number">
-                                <field name="NUM">-31.1</field>
+                                <field name="NUM">25</field>
                               </block>
                             </value>
                           </block>
@@ -1033,35 +1047,35 @@
                             <field name="EXPECTED">FALSE</field>
                             <value name="MESSAGE">
                               <block type="text">
-                                <field name="TEXT">whole</field>
+                                <field name="TEXT">prime negative</field>
                               </block>
                             </value>
                             <value name="ACTUAL">
                               <block type="math_number_property">
                                 <mutation divisor_input="false"></mutation>
-                                <field name="PROPERTY">WHOLE</field>
+                                <field name="PROPERTY">PRIME</field>
                                 <value name="NUMBER_TO_CHECK">
-                                  <block type="math_constant">
-                                    <field name="CONSTANT">PI</field>
+                                  <block type="math_number">
+                                    <field name="NUM">-31.1</field>
                                   </block>
                                 </value>
                               </block>
                             </value>
                             <next>
                               <block type="unittest_assertvalue" inline="false">
-                                <field name="EXPECTED">TRUE</field>
+                                <field name="EXPECTED">FALSE</field>
                                 <value name="MESSAGE">
                                   <block type="text">
-                                    <field name="TEXT">positive</field>
+                                    <field name="TEXT">whole</field>
                                   </block>
                                 </value>
                                 <value name="ACTUAL">
                                   <block type="math_number_property">
                                     <mutation divisor_input="false"></mutation>
-                                    <field name="PROPERTY">POSITIVE</field>
+                                    <field name="PROPERTY">WHOLE</field>
                                     <value name="NUMBER_TO_CHECK">
                                       <block type="math_constant">
-                                        <field name="CONSTANT">INFINITY</field>
+                                        <field name="CONSTANT">PI</field>
                                       </block>
                                     </value>
                                   </block>
@@ -1071,16 +1085,16 @@
                                     <field name="EXPECTED">TRUE</field>
                                     <value name="MESSAGE">
                                       <block type="text">
-                                        <field name="TEXT">negative</field>
+                                        <field name="TEXT">positive</field>
                                       </block>
                                     </value>
                                     <value name="ACTUAL">
                                       <block type="math_number_property">
                                         <mutation divisor_input="false"></mutation>
-                                        <field name="PROPERTY">NEGATIVE</field>
+                                        <field name="PROPERTY">POSITIVE</field>
                                         <value name="NUMBER_TO_CHECK">
-                                          <block type="math_number">
-                                            <field name="NUM">-42</field>
+                                          <block type="math_constant">
+                                            <field name="CONSTANT">INFINITY</field>
                                           </block>
                                         </value>
                                       </block>
@@ -1090,25 +1104,138 @@
                                         <field name="EXPECTED">TRUE</field>
                                         <value name="MESSAGE">
                                           <block type="text">
-                                            <field name="TEXT">divisible</field>
+                                            <field name="TEXT">5 + 2 is positive (extra parentheses)</field>
                                           </block>
                                         </value>
                                         <value name="ACTUAL">
                                           <block type="math_number_property">
-                                            <mutation divisor_input="true"></mutation>
-                                            <field name="PROPERTY">DIVISIBLE_BY</field>
+                                            <mutation divisor_input="false"></mutation>
+                                            <field name="PROPERTY">POSITIVE</field>
                                             <value name="NUMBER_TO_CHECK">
-                                              <block type="math_number">
-                                                <field name="NUM">42</field>
+                                              <block type="math_arithmetic">
+                                                <field name="OP">ADD</field>
+                                                <value name="A">
+                                                  <block type="math_number">
+                                                    <field name="NUM">5</field>
+                                                  </block>
+                                                </value>
+                                                <value name="B">
+                                                  <block type="math_number">
+                                                    <field name="NUM">2</field>
+                                                  </block>
+                                                </value>
                                               </block>
                                             </value>
-                                            <value name="DIVISOR">
-                                              <block type="math_number">
-                                                <field name="NUM">2</field>
+                                          </block>
+                                        </value>
+                                        <next>
+                                          <block type="unittest_assertvalue" inline="false">
+                                            <field name="EXPECTED">TRUE</field>
+                                            <value name="MESSAGE">
+                                              <block type="text">
+                                                <field name="TEXT">negative</field>
                                               </block>
                                             </value>
+                                            <value name="ACTUAL">
+                                              <block type="math_number_property">
+                                                <mutation divisor_input="false"></mutation>
+                                                <field name="PROPERTY">NEGATIVE</field>
+                                                <value name="NUMBER_TO_CHECK">
+                                                  <block type="math_number">
+                                                    <field name="NUM">-42</field>
+                                                  </block>
+                                                </value>
+                                              </block>
+                                            </value>
+                                            <next>
+                                              <block type="unittest_assertvalue" inline="false">
+                                                <field name="EXPECTED">FALSE</field>
+                                                <value name="MESSAGE">
+                                                  <block type="text">
+                                                    <field name="TEXT">3 + 2 is negative (extra parentheses)</field>
+                                                  </block>
+                                                </value>
+                                                <value name="ACTUAL">
+                                                  <block type="math_number_property">
+                                                    <mutation divisor_input="false"></mutation>
+                                                    <field name="PROPERTY">NEGATIVE</field>
+                                                    <value name="NUMBER_TO_CHECK">
+                                                      <block type="math_arithmetic">
+                                                        <field name="OP">ADD</field>
+                                                        <value name="A">
+                                                          <block type="math_number">
+                                                            <field name="NUM">3</field>
+                                                          </block>
+                                                        </value>
+                                                        <value name="B">
+                                                          <block type="math_number">
+                                                            <field name="NUM">2</field>
+                                                          </block>
+                                                        </value>
+                                                      </block>
+                                                    </value>
+                                                  </block>
+                                                </value>
+                                                <next>
+                                                  <block type="unittest_assertvalue" inline="false">
+                                                    <field name="EXPECTED">TRUE</field>
+                                                    <value name="MESSAGE">
+                                                      <block type="text">
+                                                        <field name="TEXT">divisible</field>
+                                                      </block>
+                                                    </value>
+                                                    <value name="ACTUAL">
+                                                      <block type="math_number_property">
+                                                        <mutation divisor_input="true"></mutation>
+                                                        <field name="PROPERTY">DIVISIBLE_BY</field>
+                                                        <value name="NUMBER_TO_CHECK">
+                                                          <block type="math_number">
+                                                            <field name="NUM">42</field>
+                                                          </block>
+                                                        </value>
+                                                        <value name="DIVISOR">
+                                                          <block type="math_number">
+                                                            <field name="NUM">2</field>
+                                                          </block>
+                                                        </value>
+                                                      </block>
+                                                    </value>
+                                                    <next>
+                                                      <block type="unittest_assertvalue">
+                                                        <field name="EXPECTED">TRUE</field>
+                                                        <value name="MESSAGE">
+                                                          <block type="text">
+                                                            <field name="TEXT">divisible by 0</field>
+                                                          </block>
+                                                        </value>
+                                                        <value name="ACTUAL">
+                                                          <block type="logic_negate">
+                                                            <value name="BOOL">
+                                                              <block type="math_number_property">
+                                                                <mutation divisor_input="true"></mutation>
+                                                                <field name="PROPERTY">DIVISIBLE_BY</field>
+                                                                <value name="NUMBER_TO_CHECK">
+                                                                  <block type="math_number">
+                                                                    <field name="NUM">42</field>
+                                                                  </block>
+                                                                </value>
+                                                                <value name="DIVISOR">
+                                                                  <block type="math_number">
+                                                                    <field name="NUM">0</field>
+                                                                  </block>
+                                                                </value>
+                                                              </block>
+                                                            </value>
+                                                          </block>
+                                                        </value>
+                                                      </block>
+                                                    </next>
+                                                  </block>
+                                                </next>
+                                              </block>
+                                            </next>
                                           </block>
-                                        </value>
+                                        </next>
                                       </block>
                                     </next>
                                   </block>
@@ -1128,7 +1255,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="3738">
+  <block type="procedures_defnoreturn" x="48" y="3799">
     <field name="NAME">test round</field>
     <comment pinned="false" h="80" w="160">Tests the "round" block.</comment>
     <statement name="STACK">
@@ -1204,7 +1331,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="4038">
+  <block type="procedures_defnoreturn" x="46" y="4064">
     <field name="NAME">test change</field>
     <comment pinned="false" h="80" w="160">Tests the "change" block.</comment>
     <statement name="STACK">
diff --git a/tests/generators/run_generators_in_browser.js b/tests/generators/run_generators_in_browser.js
deleted file mode 100644
index 0a1692a7cdd..00000000000
--- a/tests/generators/run_generators_in_browser.js
+++ /dev/null
@@ -1,104 +0,0 @@
-/**
- * @license
- * Copyright 2018 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Node.js script to run generator tests in Firefox, via webdriver.
- */
-var webdriverio = require('webdriverio');
-var fs = require('fs');
-
-module.exports = runGeneratorsInBrowser;
-
-/**
- * Run the generator for a given language and save the results to a file.
- * @param {Thenable} browser A Thenable managing the processing of the browser
- *     tests.
- * @param {string} filename Where to write the output file.
- * @param {Function} codegenFn The function to run for code generation for this
- *     language.
- */
-async function runLangGeneratorInBrowser(browser, filename, codegenFn) {
-  await browser.execute(codegenFn);
-  var elem = await browser.$("#importExport");
-  var result = await elem.getValue();
-  fs.writeFile(filename, result, function(err) {
-    if (err) {
-      return console.log(err);
-    }
-  });
-}
-
-/**
- * Runs the generator tests in Firefox. It uses webdriverio to
- * launch Firefox and load index.html. Outputs a summary of the test results
- * to the console and outputs files for later validation.
- * @return the Thenable managing the processing of the browser tests.
- */
-async function runGeneratorsInBrowser() {
-  var options = {
-    capabilities: {
-      browserName: 'firefox'
-    },
-    path: '/wd/hub'
-  };
-  // Run in headless mode on Travis.
-  if (process.env.TRAVIS_CI) {
-    options.capabilities['moz:firefoxOptions'] = {
-      args: ['-headless']
-    };
-  }
-
-  var url = 'file://' + __dirname + '/index.html';
-  var prefix = 'tests/generators/tmp/generated';
-
-  console.log('Starting webdriverio...');
-  const browser = await webdriverio.remote(options);
-  console.log('Initialized.\nLoading url: ' + url);
-  await browser.url(url);
-
-  await browser.execute(function() {
-    checkAll();
-    loadSelected();
-  });
-
-  await runLangGeneratorInBrowser(browser, prefix + '.js',
-      function() {
-        toJavaScript();
-      });
-  await runLangGeneratorInBrowser(browser, prefix + '.py',
-      function() {
-        toPython();
-      });
-  await runLangGeneratorInBrowser(browser, prefix + '.dart',
-      function() {
-        toDart();
-      });
-  await runLangGeneratorInBrowser(browser, prefix + '.lua',
-      function() {
-        toLua();
-      });
-  await runLangGeneratorInBrowser(browser, prefix + '.php',
-      function() {
-        toPhp();
-      });
-
-  await browser.deleteSession();
-}
-
-if (require.main === module) {
-  runGeneratorsInBrowser().catch(e => {
-    console.error(e);
-    process.exit(1);
-  }).then(function(result) {
-    if (result) {
-      console.log('Generator tests failed');
-      process.exit(1);
-    } else {
-      console.log('Generator tests passed');
-      process.exit(0);
-    }
-  });
-}
diff --git a/tests/generators/text.xml b/tests/generators/text.xml
index 9f96175c69e..61e961aefd6 100644
--- a/tests/generators/text.xml
+++ b/tests/generators/text.xml
@@ -1,5 +1,5 @@
 <xml xmlns="https://developers.google.com/blockly/xml">
-  <block type="unittest_main" x="13" y="-63">
+  <block type="unittest_main" x="13" y="13">
     <field name="SUITE_NAME">Text</field>
     <statement name="DO">
       <block type="procedures_callnoreturn">
@@ -77,7 +77,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="388">
+  <block type="procedures_defnoreturn" x="13" y="488">
     <mutation>
       <arg name="test name"></arg>
     </mutation>
@@ -113,7 +113,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="563">
+  <block type="procedures_defnoreturn" x="13" y="663">
     <field name="NAME">test create text</field>
     <comment pinned="false" h="80" w="160">Tests the "create text with" block with varying number of inputs.</comment>
     <statement name="STACK">
@@ -322,7 +322,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defreturn" x="13" y="1263">
+  <block type="procedures_defreturn" x="13" y="1363">
     <mutation statements="false"></mutation>
     <field name="NAME">get empty</field>
     <comment pinned="false" h="80" w="160">Creates an empty string for use with the empty test.</comment>
@@ -332,7 +332,7 @@
       </block>
     </value>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="1338">
+  <block type="procedures_defnoreturn" x="13" y="1438">
     <field name="NAME">test empty text</field>
     <comment pinned="false" h="80" w="160">Tests the "is empty" block".</comment>
     <statement name="STACK">
@@ -424,7 +424,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="1663">
+  <block type="procedures_defnoreturn" x="13" y="1763">
     <field name="NAME">test text length</field>
     <comment pinned="false" h="80" w="160">Tests the "length" block.</comment>
     <statement name="STACK">
@@ -509,7 +509,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="1963">
+  <block type="procedures_defnoreturn" x="13" y="2063">
     <field name="NAME">test append</field>
     <comment pinned="false" h="80" w="160">Tests the "append text" block with different types of parameters.</comment>
     <statement name="STACK">
@@ -642,7 +642,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="2438">
+  <block type="procedures_defnoreturn" x="13" y="2538">
     <field name="NAME">test find text simple</field>
     <comment pinned="false" h="80" w="160">Tests the "find" block with a variable.</comment>
     <statement name="STACK">
@@ -755,7 +755,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defreturn" x="13" y="2838">
+  <block type="procedures_defreturn" x="13" y="2938">
     <field name="NAME">get fruit</field>
     <comment pinned="false" h="80" w="160">Creates a string for use with the find test.</comment>
     <statement name="STACK">
@@ -774,7 +774,7 @@
       </block>
     </value>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="2938">
+  <block type="procedures_defnoreturn" x="13" y="3038">
     <field name="NAME">test find text complex</field>
     <comment pinned="false" h="80" w="160">Tests the "find" block with a function call.</comment>
     <statement name="STACK">
@@ -1144,7 +1144,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="4013">
+  <block type="procedures_defnoreturn" x="13" y="4113">
     <field name="NAME">test get text simple</field>
     <comment pinned="false" h="80" w="160">Tests the "get letter" block with a variable.</comment>
     <statement name="STACK">
@@ -1412,7 +1412,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defreturn" x="13" y="4838">
+  <block type="procedures_defreturn" x="13" y="4938">
     <field name="NAME">get Blockly</field>
     <comment pinned="false" h="80" w="160">Creates a string for use with the get test.</comment>
     <statement name="STACK">
@@ -1431,7 +1431,7 @@
       </block>
     </value>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="4938">
+  <block type="procedures_defnoreturn" x="13" y="5038">
     <field name="NAME">test get text complex</field>
     <comment pinned="false" h="80" w="160">Tests the "get letter" block with a function call.</comment>
     <statement name="STACK">
@@ -2074,7 +2074,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defreturn" x="13" y="6738">
+  <block type="procedures_defreturn" x="13" y="6863">
     <field name="NAME">get numbers</field>
     <comment pinned="false" h="80" w="160">Creates a string for use with the substring test.</comment>
     <statement name="STACK">
@@ -2093,7 +2093,7 @@
       </block>
     </value>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="6838">
+  <block type="procedures_defnoreturn" x="13" y="6963">
     <field name="NAME">test substring simple</field>
     <comment pinned="false" h="80" w="160">Tests the "get substring" block with a variable.</comment>
     <statement name="STACK">
@@ -2735,7 +2735,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="8388">
+  <block type="procedures_defnoreturn" x="13" y="8513">
     <field name="NAME">test substring complex</field>
     <comment pinned="false" h="80" w="160">Tests the "get substring" block with a function call.</comment>
     <statement name="STACK">
@@ -3699,7 +3699,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="10838">
+  <block type="procedures_defnoreturn" x="13" y="10963">
     <field name="NAME">test case</field>
     <comment pinned="false" h="80" w="160">Tests the "change casing" block.</comment>
     <statement name="STACK">
@@ -3913,7 +3913,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="11488">
+  <block type="procedures_defnoreturn" x="13" y="11613">
     <field name="NAME">test trim</field>
     <comment pinned="false" h="80" w="160">Tests the "trim" block.</comment>
     <statement name="STACK">
@@ -4107,7 +4107,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="13" y="12088">
+  <block type="procedures_defnoreturn" x="13" y="12213">
     <field name="NAME">test count text</field>
     <comment pinned="false" h="80" w="160">Tests the "trim" block.</comment>
     <statement name="STACK">
@@ -4317,7 +4317,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="12" y="12812">
+  <block type="procedures_defnoreturn" x="13" y="12938">
     <field name="NAME">test text reverse</field>
     <comment pinned="false" h="80" w="160">Tests the "trim" block.</comment>
     <statement name="STACK">
@@ -4413,7 +4413,7 @@
       </block>
     </statement>
   </block>
-  <block type="procedures_defnoreturn" x="12" y="13237">
+  <block type="procedures_defnoreturn" x="13" y="13363">
     <field name="NAME">test replace</field>
     <comment pinned="false" h="80" w="160">Tests the "trim" block.</comment>
     <statement name="STACK">
@@ -4648,4 +4648,4 @@
       </block>
     </statement>
   </block>
-</xml>
+</xml>
\ No newline at end of file
diff --git a/tests/generators/unittest.js b/tests/generators/unittest.js
index 0c7c0319cd3..9649dfaca97 100644
--- a/tests/generators/unittest.js
+++ b/tests/generators/unittest.js
@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview Unit test blocks for Blockly.
- * @author fraser@google.com (Neil Fraser)
  */
 'use strict';
 
@@ -21,7 +20,7 @@ Blockly.Blocks['unittest_main'] = {
     this.setTooltip('Executes the enclosed unit tests,\n' +
                     'then prints a summary.');
   },
-  getDeveloperVars: function() {
+  getDeveloperVariables: function() {
     return ['unittestResults'];
   }
 };
@@ -41,7 +40,7 @@ Blockly.Blocks['unittest_assertequals'] = {
         .appendField('expected');
     this.setTooltip('Tests that "actual == expected".');
   },
-  getDeveloperVars: function() {
+  getDeveloperVariables: function() {
     return ['unittestResults'];
   }
 };
@@ -61,7 +60,7 @@ Blockly.Blocks['unittest_assertvalue'] = {
         [['true', 'TRUE'], ['false', 'FALSE'], ['null', 'NULL']]), 'EXPECTED');
     this.setTooltip('Tests that the value is true, false, or null.');
   },
-  getDeveloperVars: function() {
+  getDeveloperVariables: function() {
     return ['unittestResults'];
   }
 };
@@ -77,7 +76,7 @@ Blockly.Blocks['unittest_fail'] = {
         .appendField('fail');
     this.setTooltip('Records an error.');
   },
-  getDeveloperVars: function() {
+  getDeveloperVariables: function() {
     return ['unittestResults'];
   }
 };
diff --git a/tests/generators/unittest_dart.js b/tests/generators/unittest_dart.js
index 7b886135177..89f3553899f 100644
--- a/tests/generators/unittest_dart.js
+++ b/tests/generators/unittest_dart.js
@@ -6,17 +6,16 @@
 
 /**
  * @fileoverview Generating Dart for unit test blocks.
- * @author fraser@google.com (Neil Fraser)
  */
 'use strict';
 
-Blockly.Dart['unittest_main'] = function(block) {
+dartGenerator.forBlock['unittest_main'] = function(block) {
   // Container for unit tests.
-  var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
+  var resultsVar = dartGenerator.nameDB_.getName('unittestResults',
       Blockly.Names.DEVELOPER_VARIABLE_TYPE);
-  var functionName = Blockly.Dart.provideFunction_(
+  var functionName = dartGenerator.provideFunction_(
       'unittest_report',
-      [ 'String ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ + '() {',
+      [ 'String ' + dartGenerator.FUNCTION_NAME_PLACEHOLDER_ + '() {',
         '  // Create test report.',
         '  List report = [];',
         '  StringBuffer summary = new StringBuffer();',
@@ -51,7 +50,7 @@ Blockly.Dart['unittest_main'] = function(block) {
       block.getFieldValue('SUITE_NAME') +
        '\');\n';
   // Run tests (unindented).
-  code += Blockly.Dart.statementToCode(block, 'DO')
+  code += dartGenerator.statementToCode(block, 'DO')
       .replace(/^  /, '').replace(/\n  /g, '\n');
   // Print the report to the console (that's where errors will go anyway).
   code += 'print(' + functionName + '());\n';
@@ -60,12 +59,12 @@ Blockly.Dart['unittest_main'] = function(block) {
   return code;
 };
 
-Blockly.Dart['unittest_main'].defineAssert_ = function() {
-  var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
+function dartDefineAssert() {
+  var resultsVar = dartGenerator.nameDB_.getName('unittestResults',
       Blockly.Names.DEVELOPER_VARIABLE_TYPE);
-  var functionName = Blockly.Dart.provideFunction_(
+  var functionName = dartGenerator.provideFunction_(
       'unittest_assertequals',
-      [ 'void ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
+      [ 'void ' + dartGenerator.FUNCTION_NAME_PLACEHOLDER_ +
           '(dynamic actual, dynamic expected, String message) {',
         '  // Asserts that a value equals another value.',
         '  if (' + resultsVar + ' == null) {',
@@ -97,44 +96,44 @@ Blockly.Dart['unittest_main'].defineAssert_ = function() {
   return functionName;
 };
 
-Blockly.Dart['unittest_assertequals'] = function(block) {
+dartGenerator.forBlock['unittest_assertequals'] = function(block) {
   // Asserts that a value equals another value.
-  var message = Blockly.Dart.valueToCode(block, 'MESSAGE',
-      Blockly.Dart.ORDER_NONE) || '';
-  var actual = Blockly.Dart.valueToCode(block, 'ACTUAL',
-      Blockly.Dart.ORDER_NONE) || 'null';
-  var expected = Blockly.Dart.valueToCode(block, 'EXPECTED',
-      Blockly.Dart.ORDER_NONE) || 'null';
-  return Blockly.Dart['unittest_main'].defineAssert_() +
+  var message = dartGenerator.valueToCode(block, 'MESSAGE',
+      dartGenerator.ORDER_NONE) || '';
+  var actual = dartGenerator.valueToCode(block, 'ACTUAL',
+      dartGenerator.ORDER_NONE) || 'null';
+  var expected = dartGenerator.valueToCode(block, 'EXPECTED',
+      dartGenerator.ORDER_NONE) || 'null';
+  return dartDefineAssert() +
       '(' + actual + ', ' + expected + ', ' + message + ');\n';
 };
 
-Blockly.Dart['unittest_assertvalue'] = function(block) {
+dartGenerator.forBlock['unittest_assertvalue'] = function(block) {
   // Asserts that a value is true, false, or null.
-  var message = Blockly.Dart.valueToCode(block, 'MESSAGE',
-      Blockly.Dart.ORDER_NONE) || '';
-  var actual = Blockly.Dart.valueToCode(block, 'ACTUAL',
-      Blockly.Dart.ORDER_NONE) || 'null';
+  var message = dartGenerator.valueToCode(block, 'MESSAGE',
+      dartGenerator.ORDER_NONE) || '';
+  var actual = dartGenerator.valueToCode(block, 'ACTUAL',
+      dartGenerator.ORDER_NONE) || 'null';
   var expected = block.getFieldValue('EXPECTED');
-  if (expected == 'TRUE') {
+  if (expected === 'TRUE') {
     expected = 'true';
-  } else if (expected == 'FALSE') {
+  } else if (expected === 'FALSE') {
     expected = 'false';
-  } else if (expected == 'NULL') {
+  } else if (expected === 'NULL') {
     expected = 'null';
   }
-  return Blockly.Dart['unittest_main'].defineAssert_() +
+  return dartDefineAssert() +
       '(' + actual + ', ' + expected + ', ' + message + ');\n';
 };
 
-Blockly.Dart['unittest_fail'] = function(block) {
+dartGenerator.forBlock['unittest_fail'] = function(block) {
   // Always assert an error.
-  var resultsVar = Blockly.Dart.variableDB_.getName('unittestResults',
+  var resultsVar = dartGenerator.nameDB_.getName('unittestResults',
       Blockly.Names.DEVELOPER_VARIABLE_TYPE);
-  var message = Blockly.Dart.quote_(block.getFieldValue('MESSAGE'));
-  var functionName = Blockly.Dart.provideFunction_(
+  var message = dartGenerator.quote_(block.getFieldValue('MESSAGE'));
+  var functionName = dartGenerator.provideFunction_(
       'unittest_fail',
-      [ 'void ' + Blockly.Dart.FUNCTION_NAME_PLACEHOLDER_ +
+      [ 'void ' + dartGenerator.FUNCTION_NAME_PLACEHOLDER_ +
           '(String message) {',
         '  // Always assert an error.',
         '  if (' + resultsVar + ' == null) {',
@@ -145,20 +144,20 @@ Blockly.Dart['unittest_fail'] = function(block) {
   return functionName + '(' + message + ');\n';
 };
 
-Blockly.Dart['unittest_adjustindex'] = function(block) {
-  var index = Blockly.Dart.valueToCode(block, 'INDEX',
-      Blockly.Dart.ORDER_ADDITIVE) || '0';
+dartGenerator.forBlock['unittest_adjustindex'] = function(block) {
+  var index = dartGenerator.valueToCode(block, 'INDEX',
+      dartGenerator.ORDER_ADDITIVE) || '0';
   // Adjust index if using one-based indexing.
   if (block.workspace.options.oneBasedIndex) {
-    if (Blockly.isNumber(index)) {
+    if (Blockly.utils.string.isNumber(index)) {
       // If the index is a naked number, adjust it right now.
-      return [Number(index) + 1, Blockly.Dart.ORDER_ATOMIC];
+      return [Number(index) + 1, dartGenerator.ORDER_ATOMIC];
     } else {
       // If the index is dynamic, adjust it in code.
-      index = index + ' + 1';
+      index += ' + 1';
     }
-  } else if (Blockly.isNumber(index)) {
-    return [index, Blockly.Dart.ORDER_ATOMIC];
+  } else if (Blockly.utils.string.isNumber(index)) {
+    return [index, dartGenerator.ORDER_ATOMIC];
   }
-  return [index, Blockly.Dart.ORDER_ADDITIVE];
+  return [index, dartGenerator.ORDER_ADDITIVE];
 };
diff --git a/tests/generators/unittest_javascript.js b/tests/generators/unittest_javascript.js
index f9a64bf9cb9..77953a37a7f 100644
--- a/tests/generators/unittest_javascript.js
+++ b/tests/generators/unittest_javascript.js
@@ -6,17 +6,16 @@
 
 /**
  * @fileoverview Generating JavaScript for unit test blocks.
- * @author fraser@google.com (Neil Fraser)
  */
 'use strict';
 
-Blockly.JavaScript['unittest_main'] = function(block) {
+javascriptGenerator.forBlock['unittest_main'] = function(block) {
   // Container for unit tests.
-  var resultsVar = Blockly.JavaScript.variableDB_.getName('unittestResults',
+  var resultsVar = javascriptGenerator.nameDB_.getName('unittestResults',
       Blockly.Names.DEVELOPER_VARIABLE_TYPE);
-  var functionName = Blockly.JavaScript.provideFunction_(
+  var functionName = javascriptGenerator.provideFunction_(
       'unittest_report',
-      [ 'function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ + '() {',
+      [ 'function ' + javascriptGenerator.FUNCTION_NAME_PLACEHOLDER_ + '() {',
         '  // Create test report.',
         '  var report = [];',
         '  var summary = [];',
@@ -52,7 +51,7 @@ Blockly.JavaScript['unittest_main'] = function(block) {
       block.getFieldValue('SUITE_NAME') +
        '\')\n';
   // Run tests (unindented).
-  code += Blockly.JavaScript.statementToCode(block, 'DO')
+  code += javascriptGenerator.statementToCode(block, 'DO')
       .replace(/^  /, '').replace(/\n  /g, '\n');
   // Send the report to the console (that's where errors will go anyway).
   code += 'console.log(' + functionName + '());\n';
@@ -61,12 +60,12 @@ Blockly.JavaScript['unittest_main'] = function(block) {
   return code;
 };
 
-Blockly.JavaScript['unittest_main'].defineAssert_ = function(block) {
-  var resultsVar = Blockly.JavaScript.variableDB_.getName('unittestResults',
+function javascriptDefineAssert() {
+  var resultsVar = javascriptGenerator.nameDB_.getName('unittestResults',
       Blockly.Names.DEVELOPER_VARIABLE_TYPE);
-  var functionName = Blockly.JavaScript.provideFunction_(
+  var functionName = javascriptGenerator.provideFunction_(
       'assertEquals',
-      [ 'function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+      [ 'function ' + javascriptGenerator.FUNCTION_NAME_PLACEHOLDER_ +
           '(actual, expected, message) {',
         '  // Asserts that a value equals another value.',
         '  if (!' + resultsVar + ') {',
@@ -75,11 +74,11 @@ Blockly.JavaScript['unittest_main'].defineAssert_ = function(block) {
         '  function equals(a, b) {',
         '    if (a === b) {',
         '      return true;',
-        '    } else if ((typeof a == "number") && (typeof b == "number") &&',
+        '    } else if ((typeof a === "number") && (typeof b === "number") &&',
         '        (a.toPrecision(15) == b.toPrecision(15))) {',
         '      return true;',
         '    } else if (a instanceof Array && b instanceof Array) {',
-        '      if (a.length != b.length) {',
+        '      if (a.length !== b.length) {',
         '        return false;',
         '      }',
         '      for (var i = 0; i < a.length; i++) {',
@@ -101,44 +100,44 @@ Blockly.JavaScript['unittest_main'].defineAssert_ = function(block) {
   return functionName;
 };
 
-Blockly.JavaScript['unittest_assertequals'] = function(block) {
+javascriptGenerator.forBlock['unittest_assertequals'] = function(block) {
   // Asserts that a value equals another value.
-  var message = Blockly.JavaScript.valueToCode(block, 'MESSAGE',
-      Blockly.JavaScript.ORDER_NONE) || '';
-  var actual = Blockly.JavaScript.valueToCode(block, 'ACTUAL',
-      Blockly.JavaScript.ORDER_COMMA) || 'null';
-  var expected = Blockly.JavaScript.valueToCode(block, 'EXPECTED',
-      Blockly.JavaScript.ORDER_COMMA) || 'null';
-  return Blockly.JavaScript['unittest_main'].defineAssert_() +
+  var message = javascriptGenerator.valueToCode(block, 'MESSAGE',
+      javascriptGenerator.ORDER_NONE) || '';
+  var actual = javascriptGenerator.valueToCode(block, 'ACTUAL',
+      javascriptGenerator.ORDER_NONE) || 'null';
+  var expected = javascriptGenerator.valueToCode(block, 'EXPECTED',
+      javascriptGenerator.ORDER_NONE) || 'null';
+  return javascriptDefineAssert() +
       '(' + actual + ', ' + expected + ', ' + message + ');\n';
 };
 
-Blockly.JavaScript['unittest_assertvalue'] = function(block) {
+javascriptGenerator.forBlock['unittest_assertvalue'] = function(block) {
   // Asserts that a value is true, false, or null.
-  var message = Blockly.JavaScript.valueToCode(block, 'MESSAGE',
-      Blockly.JavaScript.ORDER_NONE) || '';
-  var actual = Blockly.JavaScript.valueToCode(block, 'ACTUAL',
-      Blockly.JavaScript.ORDER_COMMA) || 'null';
+  var message = javascriptGenerator.valueToCode(block, 'MESSAGE',
+      javascriptGenerator.ORDER_NONE) || '';
+  var actual = javascriptGenerator.valueToCode(block, 'ACTUAL',
+      javascriptGenerator.ORDER_NONE) || 'null';
   var expected = block.getFieldValue('EXPECTED');
-  if (expected == 'TRUE') {
+  if (expected === 'TRUE') {
     expected = 'true';
-  } else if (expected == 'FALSE') {
+  } else if (expected === 'FALSE') {
     expected = 'false';
-  } else if (expected == 'NULL') {
+  } else if (expected === 'NULL') {
     expected = 'null';
   }
-  return Blockly.JavaScript['unittest_main'].defineAssert_() +
+  return javascriptDefineAssert() +
       '(' + actual + ', ' + expected + ', ' + message + ');\n';
 };
 
-Blockly.JavaScript['unittest_fail'] = function(block) {
+javascriptGenerator.forBlock['unittest_fail'] = function(block) {
   // Always assert an error.
-  var resultsVar = Blockly.JavaScript.variableDB_.getName('unittestResults',
+  var resultsVar = javascriptGenerator.nameDB_.getName('unittestResults',
       Blockly.Names.DEVELOPER_VARIABLE_TYPE);
-  var message = Blockly.JavaScript.quote_(block.getFieldValue('MESSAGE'));
-  var functionName = Blockly.JavaScript.provideFunction_(
+  var message = javascriptGenerator.quote_(block.getFieldValue('MESSAGE'));
+  var functionName = javascriptGenerator.provideFunction_(
       'unittest_fail',
-      [ 'function ' + Blockly.JavaScript.FUNCTION_NAME_PLACEHOLDER_ +
+      [ 'function ' + javascriptGenerator.FUNCTION_NAME_PLACEHOLDER_ +
           '(message) {',
         '  // Always assert an error.',
         '  if (!' + resultsVar + ') {',
@@ -149,20 +148,20 @@ Blockly.JavaScript['unittest_fail'] = function(block) {
   return functionName + '(' + message + ');\n';
 };
 
-Blockly.JavaScript['unittest_adjustindex'] = function(block) {
-  var index = Blockly.JavaScript.valueToCode(block, 'INDEX',
-      Blockly.JavaScript.ORDER_ADDITION) || '0';
+javascriptGenerator.forBlock['unittest_adjustindex'] = function(block) {
+  var index = javascriptGenerator.valueToCode(block, 'INDEX',
+      javascriptGenerator.ORDER_ADDITION) || '0';
   // Adjust index if using one-based indexing.
   if (block.workspace.options.oneBasedIndex) {
-    if (Blockly.isNumber(index)) {
+    if (Blockly.utils.string.isNumber(index)) {
       // If the index is a naked number, adjust it right now.
-      return [Number(index) + 1, Blockly.JavaScript.ORDER_ATOMIC];
+      return [Number(index) + 1, javascriptGenerator.ORDER_ATOMIC];
     } else {
       // If the index is dynamic, adjust it in code.
-      index = index + ' + 1';
+      index += ' + 1';
     }
-  } else if (Blockly.isNumber(index)) {
-    return [index, Blockly.JavaScript.ORDER_ATOMIC];
+  } else if (Blockly.utils.string.isNumber(index)) {
+    return [index, javascriptGenerator.ORDER_ATOMIC];
   }
-  return [index, Blockly.JavaScript.ORDER_ADDITION];
+  return [index, javascriptGenerator.ORDER_ADDITION];
 };
diff --git a/tests/generators/unittest_lua.js b/tests/generators/unittest_lua.js
index e72563f72f3..bd36e04ed16 100644
--- a/tests/generators/unittest_lua.js
+++ b/tests/generators/unittest_lua.js
@@ -6,17 +6,16 @@
 
 /**
  * @fileoverview Generating Lua for unit test blocks.
- * @author rodrigoq@google.com (Rodrigo Queiro)
  */
 'use strict';
 
-Blockly.Lua['unittest_main'] = function(block) {
+luaGenerator.forBlock['unittest_main'] = function(block) {
   // Container for unit tests.
-  var resultsVar = Blockly.Lua.variableDB_.getName('unittestResults',
+  var resultsVar = luaGenerator.nameDB_.getName('unittestResults',
       Blockly.Names.DEVELOPER_VARIABLE_TYPE);
-  var functionName = Blockly.Lua.provideFunction_(
+  var functionName = luaGenerator.provideFunction_(
       'unittest_report',
-      ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '()',
+      ['function ' + luaGenerator.FUNCTION_NAME_PLACEHOLDER_ + '()',
        '  -- Create test report.',
        '  local report = {}',
        '  local summary = {}',
@@ -50,7 +49,7 @@ Blockly.Lua['unittest_main'] = function(block) {
       block.getFieldValue('SUITE_NAME') +
        '\')\n';
   // Run tests (unindented).
-  code += Blockly.Lua.statementToCode(block, 'DO')
+  code += luaGenerator.statementToCode(block, 'DO')
       .replace(/^  /, '').replace(/\n  /g, '\n');
   // Print the report.
   code += 'print(' + functionName + '())\n';
@@ -59,12 +58,12 @@ Blockly.Lua['unittest_main'] = function(block) {
   return code;
 };
 
-Blockly.Lua['unittest_main'].defineAssert_ = function(block) {
-  var resultsVar = Blockly.Lua.variableDB_.getName('unittestResults',
+function luaDefineAssert() {
+  var resultsVar = luaGenerator.nameDB_.getName('unittestResults',
       Blockly.Names.DEVELOPER_VARIABLE_TYPE);
-  var functionName = Blockly.Lua.provideFunction_(
+  var functionName = luaGenerator.provideFunction_(
       'assertEquals',
-      ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ +
+      ['function ' + luaGenerator.FUNCTION_NAME_PLACEHOLDER_ +
            '(actual, expected, message)',
        '  -- Asserts that a value equals another value.',
        '  assert(' + resultsVar + ' ~= nil, ' +
@@ -107,24 +106,24 @@ Blockly.Lua['unittest_main'].defineAssert_ = function(block) {
   return functionName;
 };
 
-Blockly.Lua['unittest_assertequals'] = function(block) {
+luaGenerator.forBlock['unittest_assertequals'] = function(block) {
   // Asserts that a value equals another value.
-  var message = Blockly.Lua.valueToCode(block, 'MESSAGE',
-      Blockly.Lua.ORDER_NONE) || '';
-  var actual = Blockly.Lua.valueToCode(block, 'ACTUAL',
-      Blockly.Lua.ORDER_NONE) || 'nil';
-  var expected = Blockly.Lua.valueToCode(block, 'EXPECTED',
-      Blockly.Lua.ORDER_NONE) || 'nil';
-  return Blockly.Lua['unittest_main'].defineAssert_() +
+  var message = luaGenerator.valueToCode(block, 'MESSAGE',
+      luaGenerator.ORDER_NONE) || '';
+  var actual = luaGenerator.valueToCode(block, 'ACTUAL',
+      luaGenerator.ORDER_NONE) || 'nil';
+  var expected = luaGenerator.valueToCode(block, 'EXPECTED',
+      luaGenerator.ORDER_NONE) || 'nil';
+  return luaDefineAssert() +
       '(' + actual + ', ' + expected + ', ' + message + ')\n';
 };
 
-Blockly.Lua['unittest_assertvalue'] = function(block) {
+luaGenerator.forBlock['unittest_assertvalue'] = function(block) {
   // Asserts that a value is true, false, or null.
-  var message = Blockly.Lua.valueToCode(block, 'MESSAGE',
-      Blockly.Lua.ORDER_NONE) || '';
-  var actual = Blockly.Lua.valueToCode(block, 'ACTUAL',
-      Blockly.Lua.ORDER_NONE) || 'nil';
+  var message = luaGenerator.valueToCode(block, 'MESSAGE',
+      luaGenerator.ORDER_NONE) || '';
+  var actual = luaGenerator.valueToCode(block, 'ACTUAL',
+      luaGenerator.ORDER_NONE) || 'nil';
   var expected = block.getFieldValue('EXPECTED');
   if (expected == 'TRUE') {
     expected = 'true';
@@ -133,18 +132,18 @@ Blockly.Lua['unittest_assertvalue'] = function(block) {
   } else if (expected == 'NULL') {
     expected = 'nil';
   }
-  return Blockly.Lua.unittest_main.defineAssert_() +
+  return luaDefineAssert() +
       '(' + actual + ', ' + expected + ', ' + message + ')\n';
 };
 
-Blockly.Lua['unittest_fail'] = function(block) {
+luaGenerator.forBlock['unittest_fail'] = function(block) {
   // Always assert an error.
-  var resultsVar = Blockly.Lua.variableDB_.getName('unittestResults',
+  var resultsVar = luaGenerator.nameDB_.getName('unittestResults',
       Blockly.Names.DEVELOPER_VARIABLE_TYPE);
-  var message = Blockly.Lua.quote_(block.getFieldValue('MESSAGE'));
-  var functionName = Blockly.Lua.provideFunction_(
+  var message = luaGenerator.quote_(block.getFieldValue('MESSAGE'));
+  var functionName = luaGenerator.provideFunction_(
       'unittest_fail',
-      ['function ' + Blockly.Lua.FUNCTION_NAME_PLACEHOLDER_ + '(message)',
+      ['function ' + luaGenerator.FUNCTION_NAME_PLACEHOLDER_ + '(message)',
        '  -- Always assert an error.',
        '  assert(' + resultsVar +
            ' ~= nil, "Orphaned assert fail: " .. message)',
@@ -154,13 +153,13 @@ Blockly.Lua['unittest_fail'] = function(block) {
   return functionName + '(' + message + ')\n';
 };
 
-Blockly.Lua['unittest_adjustindex'] = function(block) {
-  var index = Blockly.Lua.valueToCode(block, 'INDEX',
-      Blockly.Lua.ORDER_ADDITIVE) || '0';
-  if (Blockly.isNumber(index)) {
+luaGenerator.forBlock['unittest_adjustindex'] = function(block) {
+  var index = luaGenerator.valueToCode(block, 'INDEX',
+      luaGenerator.ORDER_ADDITIVE) || '0';
+  if (Blockly.utils.string.isNumber(index)) {
     // If the index is a naked number, adjust it right now.
-    return [Number(index) + 1, Blockly.Lua.ORDER_ATOMIC];
+    return [Number(index) + 1, luaGenerator.ORDER_ATOMIC];
   }
   // If the index is dynamic, adjust it in code.
-  return [index + ' + 1', Blockly.Lua.ORDER_ATOMIC];
+  return [index + ' + 1', luaGenerator.ORDER_ADDITIVE];
 };
diff --git a/tests/generators/unittest_php.js b/tests/generators/unittest_php.js
index e0685a9cf40..aedd7e6a186 100644
--- a/tests/generators/unittest_php.js
+++ b/tests/generators/unittest_php.js
@@ -6,17 +6,16 @@
 
 /**
  * @fileoverview Generating PHP for unit test blocks.
- * @author daarond@gmail.com (Daaron Dwyer)
  */
 'use strict';
 
-Blockly.PHP['unittest_main'] = function(block) {
+phpGenerator.forBlock['unittest_main'] = function(block) {
   // Container for unit tests.
-  var resultsVar = Blockly.PHP.variableDB_.getName('unittestResults',
+  var resultsVar = phpGenerator.nameDB_.getName('unittestResults',
       Blockly.Names.DEVELOPER_VARIABLE_TYPE);
-  var functionName = Blockly.PHP.provideFunction_(
+  var functionName = phpGenerator.provideFunction_(
       'unittest_report',
-      [ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ + '() {',
+      [ 'function ' + phpGenerator.FUNCTION_NAME_PLACEHOLDER_ + '() {',
           '  global ' + resultsVar + ';',
           '  // Create test report.',
           '  $report = array();',
@@ -52,7 +51,7 @@ Blockly.PHP['unittest_main'] = function(block) {
       block.getFieldValue('SUITE_NAME') +
        '\\n");\n';
   // Run tests (unindented).
-  code += Blockly.PHP.statementToCode(block, 'DO')
+  code += phpGenerator.statementToCode(block, 'DO')
       .replace(/^  /, '').replace(/\n  /g, '\n');
   // Send the report to the console (that's where errors will go anyway).
   code += 'print(' + functionName + '());\n';
@@ -61,12 +60,12 @@ Blockly.PHP['unittest_main'] = function(block) {
   return code;
 };
 
-Blockly.PHP['unittest_main'].defineAssert_ = function(block) {
-  var resultsVar = Blockly.PHP.variableDB_.getName('unittestResults',
+function phpDefineAssert() {
+  var resultsVar = phpGenerator.nameDB_.getName('unittestResults',
       Blockly.Names.DEVELOPER_VARIABLE_TYPE);
-  var functionName = Blockly.PHP.provideFunction_(
+  var functionName = phpGenerator.provideFunction_(
       'assertEquals',
-      ['function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
+      ['function ' + phpGenerator.FUNCTION_NAME_PLACEHOLDER_ +
       '($actual, $expected, $message) {',
       '  global ' + resultsVar + ';',
       '  // Asserts that a value equals another value.',
@@ -87,24 +86,24 @@ Blockly.PHP['unittest_main'].defineAssert_ = function(block) {
   return functionName;
 };
 
-Blockly.PHP['unittest_assertequals'] = function(block) {
+phpGenerator.forBlock['unittest_assertequals'] = function(block) {
   // Asserts that a value equals another value.
-  var message = Blockly.PHP.valueToCode(block, 'MESSAGE',
-    Blockly.PHP.ORDER_NONE) || '';
-  var actual = Blockly.PHP.valueToCode(block, 'ACTUAL',
-          Blockly.PHP.ORDER_COMMA) || 'null';
-  var expected = Blockly.PHP.valueToCode(block, 'EXPECTED',
-          Blockly.PHP.ORDER_COMMA) || 'null';
-  return Blockly.PHP['unittest_main'].defineAssert_() +
+  var message = phpGenerator.valueToCode(block, 'MESSAGE',
+    phpGenerator.ORDER_NONE) || '';
+  var actual = phpGenerator.valueToCode(block, 'ACTUAL',
+          phpGenerator.ORDER_NONE) || 'null';
+  var expected = phpGenerator.valueToCode(block, 'EXPECTED',
+          phpGenerator.ORDER_NONE) || 'null';
+  return phpDefineAssert() +
       '(' + actual + ', ' + expected + ', ' + message + ');\n';
 };
 
-Blockly.PHP['unittest_assertvalue'] = function(block) {
+phpGenerator.forBlock['unittest_assertvalue'] = function(block) {
   // Asserts that a value is true, false, or null.
-  var message = Blockly.PHP.valueToCode(block, 'MESSAGE',
-    Blockly.PHP.ORDER_NONE) || '';
-  var actual = Blockly.PHP.valueToCode(block, 'ACTUAL',
-          Blockly.PHP.ORDER_COMMA) || 'null';
+  var message = phpGenerator.valueToCode(block, 'MESSAGE',
+    phpGenerator.ORDER_NONE) || '';
+  var actual = phpGenerator.valueToCode(block, 'ACTUAL',
+          phpGenerator.ORDER_NONE) || 'null';
   var expected = block.getFieldValue('EXPECTED');
   if (expected == 'TRUE') {
       expected = 'true';
@@ -113,18 +112,18 @@ Blockly.PHP['unittest_assertvalue'] = function(block) {
   } else if (expected == 'NULL') {
       expected = 'null';
   }
-  return Blockly.PHP['unittest_main'].defineAssert_() +
+  return phpDefineAssert() +
       '(' + actual + ', ' + expected + ', ' + message + ');\n';
 };
 
-Blockly.PHP['unittest_fail'] = function(block) {
+phpGenerator.forBlock['unittest_fail'] = function(block) {
   // Always assert an error.
-  var resultsVar = Blockly.PHP.variableDB_.getName('unittestResults',
+  var resultsVar = phpGenerator.nameDB_.getName('unittestResults',
       Blockly.Names.DEVELOPER_VARIABLE_TYPE);
-  var message = Blockly.PHP.quote_(block.getFieldValue('MESSAGE'));
-  var functionName = Blockly.PHP.provideFunction_(
+  var message = phpGenerator.quote_(block.getFieldValue('MESSAGE'));
+  var functionName = phpGenerator.provideFunction_(
       'unittest_fail',
-      [ 'function ' + Blockly.PHP.FUNCTION_NAME_PLACEHOLDER_ +
+      [ 'function ' + phpGenerator.FUNCTION_NAME_PLACEHOLDER_ +
       '($message) {',
           '  global ' + resultsVar + ';',
           '  // Always assert an error.',
@@ -136,20 +135,20 @@ Blockly.PHP['unittest_fail'] = function(block) {
   return functionName + '(' + message + ');\n';
 };
 
-Blockly.PHP['unittest_adjustindex'] = function(block) {
-  var index = Blockly.PHP.valueToCode(block, 'INDEX',
-      Blockly.PHP.ORDER_ADDITION) || '0';
+phpGenerator.forBlock['unittest_adjustindex'] = function(block) {
+  var index = phpGenerator.valueToCode(block, 'INDEX',
+      phpGenerator.ORDER_ADDITION) || '0';
   // Adjust index if using one-based indexing.
   if (block.workspace.options.oneBasedIndex) {
-    if (Blockly.isNumber(index)) {
+    if (Blockly.utils.string.isNumber(index)) {
       // If the index is a naked number, adjust it right now.
-      return [Number(index) + 1, Blockly.PHP.ORDER_ATOMIC];
+      return [Number(index) + 1, phpGenerator.ORDER_ATOMIC];
     } else {
       // If the index is dynamic, adjust it in code.
-      index = index + ' + 1';
+      index += ' + 1';
     }
-  } else if (Blockly.isNumber(index)) {
-    return [index, Blockly.PHP.ORDER_ATOMIC];
+  } else if (Blockly.utils.string.isNumber(index)) {
+    return [index, phpGenerator.ORDER_ATOMIC];
   }
-  return [index, Blockly.PHP.ORDER_ADDITION];
+  return [index, phpGenerator.ORDER_ADDITION];
 };
diff --git a/tests/generators/unittest_python.js b/tests/generators/unittest_python.js
index e00dc1b6f1e..49f8c9100ff 100644
--- a/tests/generators/unittest_python.js
+++ b/tests/generators/unittest_python.js
@@ -6,17 +6,16 @@
 
 /**
  * @fileoverview Generating Python for unit test blocks.
- * @author fraser@google.com (Neil Fraser)
  */
 'use strict';
 
-Blockly.Python['unittest_main'] = function(block) {
+pythonGenerator.forBlock['unittest_main'] = function(block) {
   // Container for unit tests.
-  var resultsVar = Blockly.Python.variableDB_.getName('unittestResults',
+  var resultsVar = pythonGenerator.nameDB_.getName('unittestResults',
       Blockly.Names.DEVELOPER_VARIABLE_TYPE);
-  var functionName = Blockly.Python.provideFunction_(
+  var functionName = pythonGenerator.provideFunction_(
       'unittest_report',
-      ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ + '():',
+      ['def ' + pythonGenerator.FUNCTION_NAME_PLACEHOLDER_ + '():',
        '  # Create test report.',
        '  report = []',
        '  summary = []',
@@ -48,7 +47,7 @@ Blockly.Python['unittest_main'] = function(block) {
       block.getFieldValue('SUITE_NAME') +
        '\')\n';
   // Run tests (unindented).
-  code += Blockly.Python.statementToCode(block, 'DO')
+  code += pythonGenerator.statementToCode(block, 'DO')
       .replace(/^  /, '').replace(/\n  /g, '\n');
   // Print the report.
   code += 'print(' + functionName + '())\n';
@@ -57,12 +56,12 @@ Blockly.Python['unittest_main'] = function(block) {
   return code;
 };
 
-Blockly.Python['unittest_main'].defineAssert_ = function() {
-  var resultsVar = Blockly.Python.variableDB_.getName('unittestResults',
+function pythonDefineAssert() {
+  var resultsVar = pythonGenerator.nameDB_.getName('unittestResults',
       Blockly.Names.DEVELOPER_VARIABLE_TYPE);
-  var functionName = Blockly.Python.provideFunction_(
+  var functionName = pythonGenerator.provideFunction_(
       'assertEquals',
-      ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ +
+      ['def ' + pythonGenerator.FUNCTION_NAME_PLACEHOLDER_ +
           '(actual, expected, message):',
        '  # Asserts that a value equals another value.',
        '  if ' + resultsVar + ' == None:',
@@ -75,24 +74,24 @@ Blockly.Python['unittest_main'].defineAssert_ = function() {
   return functionName;
 };
 
-Blockly.Python['unittest_assertequals'] = function(block) {
+pythonGenerator.forBlock['unittest_assertequals'] = function(block) {
   // Asserts that a value equals another value.
-  var message = Blockly.Python.valueToCode(block, 'MESSAGE',
-      Blockly.Python.ORDER_NONE) || '';
-  var actual = Blockly.Python.valueToCode(block, 'ACTUAL',
-      Blockly.Python.ORDER_NONE) || 'None';
-  var expected = Blockly.Python.valueToCode(block, 'EXPECTED',
-      Blockly.Python.ORDER_NONE) || 'None';
-  return Blockly.Python['unittest_main'].defineAssert_() +
+  var message = pythonGenerator.valueToCode(block, 'MESSAGE',
+      pythonGenerator.ORDER_NONE) || '';
+  var actual = pythonGenerator.valueToCode(block, 'ACTUAL',
+      pythonGenerator.ORDER_NONE) || 'None';
+  var expected = pythonGenerator.valueToCode(block, 'EXPECTED',
+      pythonGenerator.ORDER_NONE) || 'None';
+  return pythonDefineAssert() +
       '(' + actual + ', ' + expected + ', ' + message + ')\n';
 };
 
-Blockly.Python['unittest_assertvalue'] = function(block) {
+pythonGenerator.forBlock['unittest_assertvalue'] = function(block) {
   // Asserts that a value is true, false, or null.
-  var message = Blockly.Python.valueToCode(block, 'MESSAGE',
-      Blockly.Python.ORDER_NONE) || '';
-  var actual = Blockly.Python.valueToCode(block, 'ACTUAL',
-      Blockly.Python.ORDER_NONE) || 'None';
+  var message = pythonGenerator.valueToCode(block, 'MESSAGE',
+      pythonGenerator.ORDER_NONE) || '';
+  var actual = pythonGenerator.valueToCode(block, 'ACTUAL',
+      pythonGenerator.ORDER_NONE) || 'None';
   var expected = block.getFieldValue('EXPECTED');
   if (expected == 'TRUE') {
     expected = 'True';
@@ -101,18 +100,18 @@ Blockly.Python['unittest_assertvalue'] = function(block) {
   } else if (expected == 'NULL') {
     expected = 'None';
   }
-  return Blockly.Python['unittest_main'].defineAssert_() +
+  return pythonDefineAssert() +
       '(' + actual + ', ' + expected + ', ' + message + ')\n';
 };
 
-Blockly.Python['unittest_fail'] = function(block) {
+pythonGenerator.forBlock['unittest_fail'] = function(block) {
   // Always assert an error.
-  var resultsVar = Blockly.Python.variableDB_.getName('unittestResults',
+  var resultsVar = pythonGenerator.nameDB_.getName('unittestResults',
       Blockly.Names.DEVELOPER_VARIABLE_TYPE);
-  var message = Blockly.Python.quote_(block.getFieldValue('MESSAGE'));
-  var functionName = Blockly.Python.provideFunction_(
+  var message = pythonGenerator.quote_(block.getFieldValue('MESSAGE'));
+  var functionName = pythonGenerator.provideFunction_(
       'fail',
-      ['def ' + Blockly.Python.FUNCTION_NAME_PLACEHOLDER_ + '(message):',
+      ['def ' + pythonGenerator.FUNCTION_NAME_PLACEHOLDER_ + '(message):',
        '  # Always assert an error.',
        '  if ' + resultsVar + ' == None:',
        '    raise Exception("Orphaned assert equals: " + message)',
@@ -120,20 +119,20 @@ Blockly.Python['unittest_fail'] = function(block) {
   return functionName + '(' + message + ')\n';
 };
 
-Blockly.Python['unittest_adjustindex'] = function(block) {
-  var index = Blockly.Python.valueToCode(block, 'INDEX',
-      Blockly.Python.ORDER_ADDITIVE) || '0';
+pythonGenerator.forBlock['unittest_adjustindex'] = function(block) {
+  var index = pythonGenerator.valueToCode(block, 'INDEX',
+      pythonGenerator.ORDER_ADDITIVE) || '0';
   // Adjust index if using one-based indexing.
   if (block.workspace.options.oneBasedIndex) {
-    if (Blockly.isNumber(index)) {
+    if (Blockly.utils.string.isNumber(index)) {
       // If the index is a naked number, adjust it right now.
-      return [Number(index) + 1, Blockly.Python.ORDER_ATOMIC];
+      return [Number(index) + 1, pythonGenerator.ORDER_ATOMIC];
     } else {
       // If the index is dynamic, adjust it in code.
-      index = index + ' + 1';
+      index += ' + 1';
     }
-  } else if (Blockly.isNumber(index)) {
-    return [index, Blockly.Python.ORDER_ATOMIC];
+  } else if (Blockly.utils.string.isNumber(index)) {
+    return [index, pythonGenerator.ORDER_ATOMIC];
   }
-  return [index, Blockly.Python.ORDER_ADDITIVE];
+  return [index, pythonGenerator.ORDER_ADDITIVE];
 };
diff --git a/tests/generators/webdriver.js b/tests/generators/webdriver.js
new file mode 100644
index 00000000000..4f86edb1b2c
--- /dev/null
+++ b/tests/generators/webdriver.js
@@ -0,0 +1,123 @@
+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Node.js script to run generator tests in Chrome, via webdriver.
+ */
+var webdriverio = require('webdriverio');
+var fs = require('fs');
+var path = require('path');
+
+
+/**
+ * Run the generator for a given language and save the results to a file.
+ * @param {Thenable} browser A Thenable managing the processing of the browser
+ *     tests.
+ * @param {string} filename Where to write the output file.
+ * @param {Function} codegenFn The function to run for code generation for this
+ *     language.
+ */
+async function runLangGeneratorInBrowser(browser, filename, codegenFn) {
+  await browser.execute(codegenFn);
+  var elem = await browser.$("#importExport");
+  var result = await elem.getValue();
+  fs.writeFileSync(filename, result, function(err) {
+    if (err) {
+      return console.log(err);
+    }
+  });
+}
+
+/**
+ * Runs the generator tests in Chrome. It uses webdriverio to
+ * launch Chrome and load index.html. Outputs a summary of the test results
+ * to the console and outputs files for later validation.
+ * @param {string} outputDir Output directory.
+ * @return The Thenable managing the processing of the browser tests.
+ */
+async function runGeneratorsInBrowser(outputDir) {
+  var options = {
+    capabilities: {
+      browserName: 'chrome',
+      'goog:chromeOptions': {
+        args: ['--allow-file-access-from-files'],
+      },
+    },
+    logLevel: 'warn',
+  };
+
+  // Run in headless mode on Github Actions.
+  if (process.env.CI) {
+    options.capabilities['goog:chromeOptions'].args.push(
+        '--headless', '--no-sandbox', '--disable-dev-shm-usage',);
+  } else {
+    // --disable-gpu is needed to prevent Chrome from hanging on Linux with
+    // NVIDIA drivers older than v295.20. See
+    // https://github.com/google/blockly/issues/5345 for details.
+    options.capabilities['goog:chromeOptions'].args.push('--disable-gpu');
+  }
+
+  var url = 'file://' + __dirname + '/index.html';
+  var prefix = path.join(outputDir, 'generated');
+
+  console.log('Starting webdriverio...');
+  const browser = await webdriverio.remote(options);
+
+  // Increase the script timeouts to 2 minutes to allow the generators to finish.
+  await browser.setTimeout({ 'script': 120000 })
+
+  console.log('Loading url: ' + url);
+  await browser.url(url);
+
+  await browser
+    .$('.blocklySvg .blocklyWorkspace > .blocklyBlockCanvas')
+    .waitForExist({timeout: 2000});
+
+  await browser.execute(function() {
+    checkAll();
+    loadSelected();
+  });
+
+  await runLangGeneratorInBrowser(browser, prefix + '.js',
+      function() {
+        toJavaScript();
+      });
+  await runLangGeneratorInBrowser(browser, prefix + '.py',
+      function() {
+        toPython();
+      });
+  await runLangGeneratorInBrowser(browser, prefix + '.dart',
+      function() {
+        toDart();
+      });
+  await runLangGeneratorInBrowser(browser, prefix + '.lua',
+      function() {
+        toLua();
+      });
+  await runLangGeneratorInBrowser(browser, prefix + '.php',
+      function() {
+        toPhp();
+      });
+
+  await browser.deleteSession();
+}
+
+if (require.main === module) {
+  runGeneratorsInBrowser('tests/generators/tmp').catch(e => {
+    console.error(e);
+    process.exit(1);
+  }).then(function(result) {
+    if (result) {
+      console.log('Generator tests failed');
+      process.exit(1);
+    } else {
+      console.log('Generator tests passed');
+      process.exit(0);
+    }
+  });
+}
+
+module.exports = {runGeneratorsInBrowser};
diff --git a/tests/migration/renamings.schema.json b/tests/migration/renamings.schema.json
new file mode 100644
index 00000000000..5440352cec5
--- /dev/null
+++ b/tests/migration/renamings.schema.json
@@ -0,0 +1,59 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://github.com/google/blockly/tests/migration/renamings-schema.json",
+  "title": "Renamings",
+  "description": "A file containing information about module and module export renamings",
+  "type": "object",
+  "patternProperties": {
+    "^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?$": {
+      "$ref": "#/$defs/version"
+    }
+  },
+  "properties": {
+    "develop": {"$ref": "#/$defs/version"}
+  },
+  "additionalProperties": false,
+  "$defs": {
+    "version": {
+      "description": "All the renamings that happened in a paricular release.",
+      "type": "array",
+      "items": {
+        "description": "All the renamings in/of a particular module.",
+        "type": "object",
+        "properties": {
+          "oldName": {"$ref": "#/$defs/dottedIdentifier"},
+          "newName": {"$ref": "#/$defs/dottedIdentifier"},
+          "newExport": {"$ref": "#/$defs/dottedIdentifier"},
+          "oldPath": {"$ref": "#/$defs/dottedIdentifier"},
+          "newPath": {"$ref": "#/$defs/dottedIdentifier"},
+          "exports": {
+            "description": "A list of the exports that have been renamed.",
+            "type": "object",
+            "patternProperties": {
+              "^[A-Za-z$_][A-Za-z0-9$_]*(\\.[A-Za-z$_][A-Za-z0-9$_]*)*$": {
+                "description": "A single renamed (or moved) export.",
+                "type": "object",
+                "properties": {
+                  "newModule": {"$ref": "#/$defs/dottedIdentifier"},
+                  "newExport": {"$ref": "#/$defs/dottedIdentifier"},
+                  "oldPath": {"$ref": "#/$defs/dottedIdentifier"},
+                  "newPath": {"$ref": "#/$defs/dottedIdentifier"},
+                  "getMethod": {"$ref": "#/$defs/dottedIdentifier"},
+                  "setMethod": {"$ref": "#/$defs/dottedIdentifier"}
+                },
+                "additionalProperties": false
+              }
+            },
+            "additionalProperties": false
+          }
+        },
+        "required": ["oldName"],
+        "additionalProperties": false
+      }
+    },
+    "dottedIdentifier": {
+      "type": "string",
+      "pattern": "^[A-Za-z$_][A-Za-z0-9$_]*(\\.[A-Za-z$_][A-Za-z0-9$_]*)*$"
+    }
+  }
+}
diff --git a/tests/migration/validate-renamings.mjs b/tests/migration/validate-renamings.mjs
new file mode 100755
index 00000000000..b0f0e6f7fbf
--- /dev/null
+++ b/tests/migration/validate-renamings.mjs
@@ -0,0 +1,60 @@
+#!/usr/bin/env node
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview A script to validate the renamings file
+ * (scripts/migration/renamings.json5) agaist the schema
+ * (renamings-schema.json).
+ */
+
+import JSON5 from 'json5';
+import {readFile} from 'fs/promises';
+import {posixPath} from '../../scripts/helpers.js';
+import {validate} from '@hyperjump/json-schema/draft-2020-12';
+import {DETAILED} from '@hyperjump/json-schema/experimental';
+
+/** @type {URL} Renaming schema filename. */
+const SCHEMA_URL = new URL('renamings.schema.json', import.meta.url);
+
+/** @type {URL} Renamings filename. */
+const RENAMINGS_URL = new URL(
+  '../../scripts/migration/renamings.json5',
+  import.meta.url,
+);
+
+const renamingsJson5 = await readFile(RENAMINGS_URL);
+const renamings = JSON5.parse(renamingsJson5);
+
+const output = await validate(SCHEMA_URL, renamings, DETAILED);
+
+if (!output.valid) {
+  console.log('Renamings file is invalid.');
+  console.log('Maybe this validator output will help you find the problem:');
+  console.log(JSON5.stringify(output, undefined, '  '));
+  process.exit(1);
+}
+
+// File passed schema validation.  Do some additional checks.
+let ok = true;
+Object.entries(renamings).forEach(([version, modules]) => {
+  // Scan through modules and check for duplicates.
+  const seen = new Set();
+  for (const {oldName} of modules) {
+    if (seen.has(oldName)) {
+      console.log(
+        `Duplicate entry for module ${oldName} ` + `in version ${version}.`,
+      );
+      ok = false;
+    }
+    seen.add(oldName);
+  }
+});
+if (!ok) {
+  console.log('Renamings file is invalid.');
+  process.exit(1);
+}
+// Default is a successful exit 0.
diff --git a/tests/mocha/.eslintrc.json b/tests/mocha/.eslintrc.json
index 2b1d412ba2e..0de898aa6dd 100644
--- a/tests/mocha/.eslintrc.json
+++ b/tests/mocha/.eslintrc.json
@@ -1,74 +1,21 @@
 {
-    "parser": "babel-eslint",
-    "env": {
-        "browser": true,
-        "mocha": true
-    },
-    "globals": {
-        "chai": false,
-        "sinon": false,
-        "addBlockTypeToCleanup": true,
-        "addMessageToCleanup": true,
-        "assertArrayEquals": true,
-        "assertDeprecationWarningCall": true,
-        "assertEventEquals": true,
-        "assertEventFired": true,
-        "assertEventNotFired": true,
-        "assertNthCallEventArgEquals": true,
-        "assertSingleDeprecationWarningCall": true,
-        "assertVariableValues": true,
-        "assertNoWarnings": true,
-        "assertWarnings": true,
-        "captureWarnings": true,
-        "createDeprecationWarningStub": true,
-        "createRenderedBlock": true,
-        "createTestBlock": true,
-        "defineBasicBlockWithField": true,
-        "defineRowBlock": true,
-        "defineStackBlock": true,
-        "defineStatementBlock": true,
-        "dispatchPointerEvent": true,
-        "createFireChangeListenerSpy": true,
-        "createGenUidStubWithReturns": true,
-        "getBasicToolbox": true,
-        "getCategoryJSON": true,
-        "getChildItem": true,
-        "getCollapsibleItem": true,
-        "getDeeplyNestedJSON": true,
-        "getInjectedToolbox": true,
-        "getNonCollapsibleItem": true,
-        "getSeparator": true,
-        "getSimpleJSON": true,
-        "getXmlArray": true,
-        "sharedTestSetup": true,
-        "sharedTestTeardown": true,
-        "simulateClick": true,
-        "testAWorkspace": true,
-        "testHelpers": true,
-        "workspaceTeardown": true
-    },
-    "rules": {
-        "no-unused-vars": ["off"],
-        "es5/no-arrow-functions": ["off"],
-        "es5/no-binary-and-octal-literals": ["off"],
-        "es5/no-block-scoping": ["off"],
-        "es5/no-classes": ["off"],
-        "es5/no-computed-properties": ["off"],
-        "es5/no-default-parameters": ["off"],
-        "es5/no-destructuring": ["off"],
-        "es5/no-es6-methods": ["off"],
-        "es5/no-es6-static-methods": ["off"],
-        "es5/no-for-of": ["off"],
-        "es5/no-generators": ["off"],
-        "es5/no-modules": ["off"],
-        "es5/no-object-super": ["off"],
-        "es5/no-rest-parameters": ["off"],
-        "es5/no-shorthand-properties": ["off"],
-        "es5/no-spread": ["off"],
-        "es5/no-template-literals": ["off"],
-        "es5/no-typeof-symbol": ["off"],
-        "es5/no-unicode-code-point-escape": ["off"],
-        "es5/no-unicode-regex": ["off"]
-    },
-    "extends": "../../.eslintrc.json"
+  "env": {
+    "browser": true,
+    "mocha": true
+  },
+  "globals": {
+    "chai": false,
+    "sinon": false
+  },
+  "rules": {
+    "no-unused-vars": ["off"],
+    // Allow uncommented helper functions in tests.
+    "require-jsdoc": ["off"],
+    "prefer-rest-params": ["off"],
+    "no-invalid-this": ["off"]
+  },
+  "extends": "../../.eslintrc.js",
+  "parserOptions": {
+    "sourceType": "module"
+  }
 }
diff --git a/tests/mocha/.mocharc.js b/tests/mocha/.mocharc.js
index 3c156db3e95..42378c7fa9d 100644
--- a/tests/mocha/.mocharc.js
+++ b/tests/mocha/.mocharc.js
@@ -2,6 +2,5 @@
 
 module.exports = {
   ui: 'tdd',
-  file: '../blockly_uncompressed.js',
-  reporter: 'landing'
+  reporter: 'landing',
 };
diff --git a/tests/mocha/astnode_test.js b/tests/mocha/astnode_test.js
index c5169936ec4..a9f0de0d33c 100644
--- a/tests/mocha/astnode_test.js
+++ b/tests/mocha/astnode_test.js
@@ -4,81 +4,91 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('ASTNode', function() {
-  setup(function() {
+import {ASTNode} from '../../build/src/core/keyboard_nav/ast_node.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('ASTNode', function () {
+  setup(function () {
     sharedTestSetup.call(this);
-    Blockly.defineBlocksWithJsonArray([{
-      "type": "input_statement",
-      "message0": "%1 %2 %3 %4",
-      "args0": [
-        {
-          "type": "field_input",
-          "name": "NAME",
-          "text": "default"
-        },
-        {
-          "type": "field_input",
-          "name": "NAME",
-          "text": "default"
-        },
-        {
-          "type": "input_value",
-          "name": "NAME"
-        },
-        {
-          "type": "input_statement",
-          "name": "NAME"
-        }
-      ],
-      "previousStatement": null,
-      "nextStatement": null,
-      "colour": 230,
-      "tooltip": "",
-      "helpUrl": ""
-    },
-    {
-      "type": "value_input",
-      "message0": "%1",
-      "args0": [
-        {
-          "type": "input_value",
-          "name": "NAME"
-        }
-      ],
-      "colour": 230,
-      "tooltip": "",
-      "helpUrl": ""
-    },
-    {
-      "type": "field_input",
-      "message0": "%1",
-      "args0": [
-        {
-          "type": "field_input",
-          "name": "NAME",
-          "text": "default"
-        }
-      ],
-      "output": null,
-      "colour": 230,
-      "tooltip": "",
-      "helpUrl": ""
-    }
+    Blockly.defineBlocksWithJsonArray([
+      {
+        'type': 'input_statement',
+        'message0': '%1 %2 %3 %4',
+        'args0': [
+          {
+            'type': 'field_input',
+            'name': 'NAME',
+            'text': 'default',
+          },
+          {
+            'type': 'field_input',
+            'name': 'NAME',
+            'text': 'default',
+          },
+          {
+            'type': 'input_value',
+            'name': 'NAME',
+          },
+          {
+            'type': 'input_statement',
+            'name': 'NAME',
+          },
+        ],
+        'previousStatement': null,
+        'nextStatement': null,
+        'colour': 230,
+        'tooltip': '',
+        'helpUrl': '',
+      },
+      {
+        'type': 'value_input',
+        'message0': '%1',
+        'args0': [
+          {
+            'type': 'input_value',
+            'name': 'NAME',
+          },
+        ],
+        'colour': 230,
+        'tooltip': '',
+        'helpUrl': '',
+      },
+      {
+        'type': 'field_input',
+        'message0': '%1',
+        'args0': [
+          {
+            'type': 'field_input',
+            'name': 'NAME',
+            'text': 'default',
+          },
+        ],
+        'output': null,
+        'colour': 230,
+        'tooltip': '',
+        'helpUrl': '',
+      },
     ]);
     this.workspace = new Blockly.Workspace();
     this.cursor = this.workspace.cursor;
-    var statementInput1 = this.workspace.newBlock('input_statement');
-    var statementInput2 = this.workspace.newBlock('input_statement');
-    var statementInput3 = this.workspace.newBlock('input_statement');
-    var statementInput4 = this.workspace.newBlock('input_statement');
-    var fieldWithOutput = this.workspace.newBlock('field_input');
-    var valueInput = this.workspace.newBlock('value_input');
+    const statementInput1 = this.workspace.newBlock('input_statement');
+    const statementInput2 = this.workspace.newBlock('input_statement');
+    const statementInput3 = this.workspace.newBlock('input_statement');
+    const statementInput4 = this.workspace.newBlock('input_statement');
+    const fieldWithOutput = this.workspace.newBlock('field_input');
+    const valueInput = this.workspace.newBlock('value_input');
 
     statementInput1.nextConnection.connect(statementInput2.previousConnection);
-    statementInput1.inputList[0].connection
-        .connect(fieldWithOutput.outputConnection);
-    statementInput2.inputList[1].connection
-        .connect(statementInput3.previousConnection);
+    statementInput1.inputList[0].connection.connect(
+      fieldWithOutput.outputConnection,
+    );
+    statementInput2.inputList[1].connection.connect(
+      statementInput3.previousConnection,
+    );
 
     this.blocks = {
       statementInput1: statementInput1,
@@ -86,715 +96,755 @@ suite('ASTNode', function() {
       statementInput3: statementInput3,
       statementInput4: statementInput4,
       fieldWithOutput: fieldWithOutput,
-      valueInput: valueInput
+      valueInput: valueInput,
     };
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  suite('HelperFunctions', function() {
-    test('findNextForInput_', function() {
-      var input = this.blocks.statementInput1.inputList[0];
-      var input2 = this.blocks.statementInput1.inputList[1];
-      var connection = input.connection;
-      var node = Blockly.ASTNode.createConnectionNode(connection);
-      var newASTNode = node.findNextForInput_(input);
+  suite('HelperFunctions', function () {
+    test('findNextForInput', function () {
+      const input = this.blocks.statementInput1.inputList[0];
+      const input2 = this.blocks.statementInput1.inputList[1];
+      const connection = input.connection;
+      const node = ASTNode.createConnectionNode(connection);
+      const newASTNode = node.findNextForInput(input);
       chai.assert.equal(newASTNode.getLocation(), input2.connection);
     });
 
-    test('findPrevForInput_', function() {
-      var input = this.blocks.statementInput1.inputList[0];
-      var input2 = this.blocks.statementInput1.inputList[1];
-      var connection = input2.connection;
-      var node = Blockly.ASTNode.createConnectionNode(connection);
-      var newASTNode = node.findPrevForInput_(input2);
+    test('findPrevForInput', function () {
+      const input = this.blocks.statementInput1.inputList[0];
+      const input2 = this.blocks.statementInput1.inputList[1];
+      const connection = input2.connection;
+      const node = ASTNode.createConnectionNode(connection);
+      const newASTNode = node.findPrevForInput(input2);
       chai.assert.equal(newASTNode.getLocation(), input.connection);
     });
 
-    test('findNextForField_', function() {
-      var field = this.blocks.statementInput1.inputList[0].fieldRow[0];
-      var field2 = this.blocks.statementInput1.inputList[0].fieldRow[1];
-      var node = Blockly.ASTNode.createFieldNode(field);
-      var newASTNode = node.findNextForField_(field);
+    test('findNextForField', function () {
+      const field = this.blocks.statementInput1.inputList[0].fieldRow[0];
+      const field2 = this.blocks.statementInput1.inputList[0].fieldRow[1];
+      const node = ASTNode.createFieldNode(field);
+      const newASTNode = node.findNextForField(field);
       chai.assert.equal(newASTNode.getLocation(), field2);
     });
 
-    test('findPrevForField_', function() {
-      var field = this.blocks.statementInput1.inputList[0].fieldRow[0];
-      var field2 = this.blocks.statementInput1.inputList[0].fieldRow[1];
-      var node = Blockly.ASTNode.createFieldNode(field2);
-      var newASTNode = node.findPrevForField_(field2);
+    test('findPrevForField', function () {
+      const field = this.blocks.statementInput1.inputList[0].fieldRow[0];
+      const field2 = this.blocks.statementInput1.inputList[0].fieldRow[1];
+      const node = ASTNode.createFieldNode(field2);
+      const newASTNode = node.findPrevForField(field2);
       chai.assert.equal(newASTNode.getLocation(), field);
     });
 
-    test('navigateBetweenStacks_Forward', function() {
-      var node = new Blockly.ASTNode(
-          Blockly.ASTNode.types.NEXT, this.blocks.statementInput1.nextConnection);
-      var newASTNode = node.navigateBetweenStacks_(true);
+    test('navigateBetweenStacks_Forward', function () {
+      const node = new ASTNode(
+        ASTNode.types.NEXT,
+        this.blocks.statementInput1.nextConnection,
+      );
+      const newASTNode = node.navigateBetweenStacks(true);
       chai.assert.equal(newASTNode.getLocation(), this.blocks.statementInput4);
     });
 
-    test('navigateBetweenStacks_Backward', function() {
-      var node = new Blockly.ASTNode(
-          Blockly.ASTNode.types.BLOCK, this.blocks.statementInput4);
-      var newASTNode = node.navigateBetweenStacks_(false);
+    test('navigateBetweenStacks_Backward', function () {
+      const node = new ASTNode(
+        ASTNode.types.BLOCK,
+        this.blocks.statementInput4,
+      );
+      const newASTNode = node.navigateBetweenStacks(false);
       chai.assert.equal(newASTNode.getLocation(), this.blocks.statementInput1);
     });
-    test('getOutAstNodeForBlock_', function() {
-      var node = new Blockly.ASTNode(
-          Blockly.ASTNode.types.BLOCK, this.blocks.statementInput2);
-      var newASTNode = node.getOutAstNodeForBlock_(this.blocks.statementInput2);
+    test('getOutAstNodeForBlock', function () {
+      const node = new ASTNode(
+        ASTNode.types.BLOCK,
+        this.blocks.statementInput2,
+      );
+      const newASTNode = node.getOutAstNodeForBlock(
+        this.blocks.statementInput2,
+      );
       chai.assert.equal(newASTNode.getLocation(), this.blocks.statementInput1);
     });
-    test('getOutAstNodeForBlock_OneBlock', function() {
-      var node = new Blockly.ASTNode(
-          Blockly.ASTNode.types.BLOCK, this.blocks.statementInput4);
-      var newASTNode = node.getOutAstNodeForBlock_(this.blocks.statementInput4);
+    test('getOutAstNodeForBlock_OneBlock', function () {
+      const node = new ASTNode(
+        ASTNode.types.BLOCK,
+        this.blocks.statementInput4,
+      );
+      const newASTNode = node.getOutAstNodeForBlock(
+        this.blocks.statementInput4,
+      );
       chai.assert.equal(newASTNode.getLocation(), this.blocks.statementInput4);
     });
-    test('findFirstFieldOrInput_', function() {
-      var node = new Blockly.ASTNode(
-          Blockly.ASTNode.types.BLOCK, this.blocks.statementInput4);
-      var field = this.blocks.statementInput4.inputList[0].fieldRow[0];
-      var newASTNode = node.findFirstFieldOrInput_(this.blocks.statementInput4);
+    test('findFirstFieldOrInput_', function () {
+      const node = new ASTNode(
+        ASTNode.types.BLOCK,
+        this.blocks.statementInput4,
+      );
+      const field = this.blocks.statementInput4.inputList[0].fieldRow[0];
+      const newASTNode = node.findFirstFieldOrInput(
+        this.blocks.statementInput4,
+      );
       chai.assert.equal(newASTNode.getLocation(), field);
     });
-
   });
 
-  suite('NavigationFunctions', function() {
-    setup(function() {
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "top_connection",
-        "message0": "",
-        "previousStatement": null,
-        "colour": 230,
-        "tooltip": "",
-        "helpUrl": ""
-      },
-      {
-        "type": "start_block",
-        "message0": "",
-        "nextStatement": null,
-        "colour": 230,
-        "tooltip": "",
-        "helpUrl": ""
-      },
-      {
-        "type": "fields_and_input",
-        "message0": "%1 hi %2 %3 %4",
-        "args0": [
-          {
-            "type": "field_input",
-            "name": "NAME",
-            "text": "default"
-          },
-          {
-            "type": "input_dummy"
-          },
-          {
-            "type": "field_input",
-            "name": "NAME",
-            "text": "default"
-          },
-          {
-            "type": "input_value",
-            "name": "NAME"
-          }
-        ],
-        "previousStatement": null,
-        "nextStatement": null,
-        "colour": 230,
-        "tooltip": "",
-        "helpUrl": ""
-      },
-      {
-        "type": "two_fields",
-        "message0": "%1 hi",
-        "args0": [
-          {
-            "type": "field_input",
-            "name": "NAME",
-            "text": "default"
-          }
-        ],
-        "colour": 230,
-        "tooltip": "",
-        "helpUrl": ""
-      },
-      {
-        "type": "fields_and_input2",
-        "message0": "%1 %2 %3 hi %4 bye",
-        "args0": [
-          {
-            "type": "input_value",
-            "name": "NAME"
-          },
-          {
-            "type": "field_input",
-            "name": "NAME",
-            "text": "default"
-          },
-          {
-            "type": "input_value",
-            "name": "NAME"
-          },
-          {
-            "type": "input_statement",
-            "name": "NAME"
-          }
-        ],
-        "colour": 230,
-        "tooltip": "",
-        "helpUrl": ""
-      },
-      {
-        "type": "dummy_input",
-        "message0": "Hello",
-        "colour": 230,
-        "tooltip": "",
-        "helpUrl": ""
-      },
-      {
-        "type": "dummy_inputValue",
-        "message0": "Hello %1  %2",
-        "args0": [
-          {
-            "type": "input_dummy"
-          },
-          {
-            "type": "input_value",
-            "name": "NAME"
-          }
-        ],
-        "colour": 230,
-        "tooltip": "",
-        "helpUrl": ""
-      },
-      {
-        "type": "output_next",
-        "message0": "",
-        "output": null,
-        "colour": 230,
-        "tooltip": "",
-        "helpUrl": "",
-        "nextStatement": null
-      }]);
-      var noNextConnection = this.workspace.newBlock('top_connection');
-      var fieldAndInputs = this.workspace.newBlock('fields_and_input');
-      var twoFields = this.workspace.newBlock('two_fields');
-      var fieldAndInputs2 = this.workspace.newBlock('fields_and_input2');
-      var noPrevConnection = this.workspace.newBlock('start_block');
+  suite('NavigationFunctions', function () {
+    setup(function () {
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': 'top_connection',
+          'message0': '',
+          'previousStatement': null,
+          'colour': 230,
+          'tooltip': '',
+          'helpUrl': '',
+        },
+        {
+          'type': 'start_block',
+          'message0': '',
+          'nextStatement': null,
+          'colour': 230,
+          'tooltip': '',
+          'helpUrl': '',
+        },
+        {
+          'type': 'fields_and_input',
+          'message0': '%1 hi %2 %3 %4',
+          'args0': [
+            {
+              'type': 'field_input',
+              'name': 'NAME',
+              'text': 'default',
+            },
+            {
+              'type': 'input_dummy',
+            },
+            {
+              'type': 'field_input',
+              'name': 'NAME',
+              'text': 'default',
+            },
+            {
+              'type': 'input_value',
+              'name': 'NAME',
+            },
+          ],
+          'previousStatement': null,
+          'nextStatement': null,
+          'colour': 230,
+          'tooltip': '',
+          'helpUrl': '',
+        },
+        {
+          'type': 'two_fields',
+          'message0': '%1 hi',
+          'args0': [
+            {
+              'type': 'field_input',
+              'name': 'NAME',
+              'text': 'default',
+            },
+          ],
+          'colour': 230,
+          'tooltip': '',
+          'helpUrl': '',
+        },
+        {
+          'type': 'fields_and_input2',
+          'message0': '%1 %2 %3 hi %4 bye',
+          'args0': [
+            {
+              'type': 'input_value',
+              'name': 'NAME',
+            },
+            {
+              'type': 'field_input',
+              'name': 'NAME',
+              'text': 'default',
+            },
+            {
+              'type': 'input_value',
+              'name': 'NAME',
+            },
+            {
+              'type': 'input_statement',
+              'name': 'NAME',
+            },
+          ],
+          'colour': 230,
+          'tooltip': '',
+          'helpUrl': '',
+        },
+        {
+          'type': 'dummy_input',
+          'message0': 'Hello',
+          'colour': 230,
+          'tooltip': '',
+          'helpUrl': '',
+        },
+        {
+          'type': 'dummy_inputValue',
+          'message0': 'Hello %1  %2',
+          'args0': [
+            {
+              'type': 'input_dummy',
+            },
+            {
+              'type': 'input_value',
+              'name': 'NAME',
+            },
+          ],
+          'colour': 230,
+          'tooltip': '',
+          'helpUrl': '',
+        },
+        {
+          'type': 'output_next',
+          'message0': '',
+          'output': null,
+          'colour': 230,
+          'tooltip': '',
+          'helpUrl': '',
+          'nextStatement': null,
+        },
+      ]);
+      const noNextConnection = this.workspace.newBlock('top_connection');
+      const fieldAndInputs = this.workspace.newBlock('fields_and_input');
+      const twoFields = this.workspace.newBlock('two_fields');
+      const fieldAndInputs2 = this.workspace.newBlock('fields_and_input2');
+      const noPrevConnection = this.workspace.newBlock('start_block');
       this.blocks.noNextConnection = noNextConnection;
       this.blocks.fieldAndInputs = fieldAndInputs;
       this.blocks.twoFields = twoFields;
       this.blocks.fieldAndInputs2 = fieldAndInputs2;
       this.blocks.noPrevConnection = noPrevConnection;
 
-      var dummyInput = this.workspace.newBlock('dummy_input');
-      var dummyInputValue = this.workspace.newBlock('dummy_inputValue');
-      var fieldWithOutput2 = this.workspace.newBlock('field_input');
+      const dummyInput = this.workspace.newBlock('dummy_input');
+      const dummyInputValue = this.workspace.newBlock('dummy_inputValue');
+      const fieldWithOutput2 = this.workspace.newBlock('field_input');
       this.blocks.dummyInput = dummyInput;
       this.blocks.dummyInputValue = dummyInputValue;
       this.blocks.fieldWithOutput2 = fieldWithOutput2;
 
-      var secondBlock = this.workspace.newBlock('input_statement');
-      var outputNextBlock = this.workspace.newBlock('output_next');
+      const secondBlock = this.workspace.newBlock('input_statement');
+      const outputNextBlock = this.workspace.newBlock('output_next');
       this.blocks.secondBlock = secondBlock;
       this.blocks.outputNextBlock = outputNextBlock;
     });
-    suite('Next', function() {
-      setup(function() {
+    suite('Next', function () {
+      setup(function () {
         this.singleBlockWorkspace = new Blockly.Workspace();
-        var singleBlock = this.singleBlockWorkspace.newBlock('two_fields');
+        const singleBlock = this.singleBlockWorkspace.newBlock('two_fields');
         this.blocks.singleBlock = singleBlock;
       });
-      teardown(function() {
+      teardown(function () {
         workspaceTeardown.call(this, this.singleBlockWorkspace);
       });
 
-      test('fromPreviousToBlock', function() {
-        var prevConnection = this.blocks.statementInput1.previousConnection;
-        var node = Blockly.ASTNode.createConnectionNode(prevConnection);
-        var nextNode = node.next();
+      test('fromPreviousToBlock', function () {
+        const prevConnection = this.blocks.statementInput1.previousConnection;
+        const node = ASTNode.createConnectionNode(prevConnection);
+        const nextNode = node.next();
         chai.assert.equal(nextNode.getLocation(), this.blocks.statementInput1);
       });
-      test('fromBlockToNext', function() {
-        var nextConnection = this.blocks.statementInput1.nextConnection;
-        var node = Blockly.ASTNode.createBlockNode(this.blocks.statementInput1);
-        var nextNode = node.next();
+      test('fromBlockToNext', function () {
+        const nextConnection = this.blocks.statementInput1.nextConnection;
+        const node = ASTNode.createBlockNode(this.blocks.statementInput1);
+        const nextNode = node.next();
         chai.assert.equal(nextNode.getLocation(), nextConnection);
       });
-      test('fromBlockToNull', function() {
-        var node = Blockly.ASTNode.createBlockNode(this.blocks.noNextConnection);
-        var nextNode = node.next();
+      test('fromBlockToNull', function () {
+        const node = ASTNode.createBlockNode(this.blocks.noNextConnection);
+        const nextNode = node.next();
         chai.assert.isNull(nextNode);
       });
-      test('fromNextToPrevious', function() {
-        var nextConnection = this.blocks.statementInput1.nextConnection;
-        var prevConnection = this.blocks.statementInput2.previousConnection;
-        var node = Blockly.ASTNode.createConnectionNode(nextConnection);
-        var nextNode = node.next();
+      test('fromNextToPrevious', function () {
+        const nextConnection = this.blocks.statementInput1.nextConnection;
+        const prevConnection = this.blocks.statementInput2.previousConnection;
+        const node = ASTNode.createConnectionNode(nextConnection);
+        const nextNode = node.next();
         chai.assert.equal(nextNode.getLocation(), prevConnection);
       });
-      test('fromNextToNull', function() {
-        var nextConnection = this.blocks.statementInput2.nextConnection;
-        var node = Blockly.ASTNode.createConnectionNode(nextConnection);
-        var nextNode = node.next();
+      test('fromNextToNull', function () {
+        const nextConnection = this.blocks.statementInput2.nextConnection;
+        const node = ASTNode.createConnectionNode(nextConnection);
+        const nextNode = node.next();
         chai.assert.isNull(nextNode);
       });
-      test('fromInputToInput', function() {
-        var input = this.blocks.statementInput1.inputList[0];
-        var inputConnection = this.blocks.statementInput1.inputList[1].connection;
-        var node = Blockly.ASTNode.createInputNode(input);
-        var nextNode = node.next();
+      test('fromInputToInput', function () {
+        const input = this.blocks.statementInput1.inputList[0];
+        const inputConnection =
+          this.blocks.statementInput1.inputList[1].connection;
+        const node = ASTNode.createInputNode(input);
+        const nextNode = node.next();
         chai.assert.equal(nextNode.getLocation(), inputConnection);
       });
-      test('fromInputToStatementInput', function() {
-        var input = this.blocks.fieldAndInputs2.inputList[1];
-        var inputConnection = this.blocks.fieldAndInputs2.inputList[2].connection;
-        var node = Blockly.ASTNode.createInputNode(input);
-        var nextNode = node.next();
+      test('fromInputToStatementInput', function () {
+        const input = this.blocks.fieldAndInputs2.inputList[1];
+        const inputConnection =
+          this.blocks.fieldAndInputs2.inputList[2].connection;
+        const node = ASTNode.createInputNode(input);
+        const nextNode = node.next();
         chai.assert.equal(nextNode.getLocation(), inputConnection);
       });
-      test('fromInputToField', function() {
-        var input = this.blocks.fieldAndInputs2.inputList[0];
-        var field = this.blocks.fieldAndInputs2.inputList[1].fieldRow[0];
-        var node = Blockly.ASTNode.createInputNode(input);
-        var nextNode = node.next();
+      test('fromInputToField', function () {
+        const input = this.blocks.fieldAndInputs2.inputList[0];
+        const field = this.blocks.fieldAndInputs2.inputList[1].fieldRow[0];
+        const node = ASTNode.createInputNode(input);
+        const nextNode = node.next();
         chai.assert.equal(nextNode.getLocation(), field);
       });
-      test('fromInputToNull', function() {
-        var input = this.blocks.fieldAndInputs2.inputList[2];
-        var node = Blockly.ASTNode.createInputNode(input);
-        var nextNode = node.next();
+      test('fromInputToNull', function () {
+        const input = this.blocks.fieldAndInputs2.inputList[2];
+        const node = ASTNode.createInputNode(input);
+        const nextNode = node.next();
         chai.assert.isNull(nextNode);
       });
-      test('fromOutputToBlock', function() {
-        var output = this.blocks.fieldWithOutput.outputConnection;
-        var node = Blockly.ASTNode.createConnectionNode(output);
-        var nextNode = node.next();
+      test('fromOutputToBlock', function () {
+        const output = this.blocks.fieldWithOutput.outputConnection;
+        const node = ASTNode.createConnectionNode(output);
+        const nextNode = node.next();
         chai.assert.equal(nextNode.getLocation(), this.blocks.fieldWithOutput);
       });
-      test('fromFieldToInput', function() {
-        var field = this.blocks.statementInput1.inputList[0].fieldRow[1];
-        var inputConnection = this.blocks.statementInput1.inputList[0].connection;
-        var node = Blockly.ASTNode.createFieldNode(field);
-        var nextNode = node.next();
+      test('fromFieldToInput', function () {
+        const field = this.blocks.statementInput1.inputList[0].fieldRow[1];
+        const inputConnection =
+          this.blocks.statementInput1.inputList[0].connection;
+        const node = ASTNode.createFieldNode(field);
+        const nextNode = node.next();
         chai.assert.equal(nextNode.getLocation(), inputConnection);
       });
-      test('fromFieldToField', function() {
-        var field = this.blocks.fieldAndInputs.inputList[0].fieldRow[0];
-        var node = Blockly.ASTNode.createFieldNode(field);
-        var field2 = this.blocks.fieldAndInputs.inputList[1].fieldRow[0];
-        var nextNode = node.next();
+      test('fromFieldToField', function () {
+        const field = this.blocks.fieldAndInputs.inputList[0].fieldRow[0];
+        const node = ASTNode.createFieldNode(field);
+        const field2 = this.blocks.fieldAndInputs.inputList[1].fieldRow[0];
+        const nextNode = node.next();
         chai.assert.equal(nextNode.getLocation(), field2);
       });
-      test('fromFieldToNull', function() {
-        var field = this.blocks.twoFields.inputList[0].fieldRow[0];
-        var node = Blockly.ASTNode.createFieldNode(field);
-        var nextNode = node.next();
+      test('fromFieldToNull', function () {
+        const field = this.blocks.twoFields.inputList[0].fieldRow[0];
+        const node = ASTNode.createFieldNode(field);
+        const nextNode = node.next();
         chai.assert.isNull(nextNode);
       });
-      test('fromStackToStack', function() {
-        var node = Blockly.ASTNode.createStackNode(this.blocks.statementInput1);
-        var nextNode = node.next();
+      test('fromStackToStack', function () {
+        const node = ASTNode.createStackNode(this.blocks.statementInput1);
+        const nextNode = node.next();
         chai.assert.equal(nextNode.getLocation(), this.blocks.statementInput4);
-        chai.assert.equal(nextNode.getType(), Blockly.ASTNode.types.STACK);
+        chai.assert.equal(nextNode.getType(), ASTNode.types.STACK);
       });
-      test('fromStackToNull', function() {
-        var node = Blockly.ASTNode.createStackNode(this.blocks.singleBlock);
-        var nextNode = node.next();
+      test('fromStackToNull', function () {
+        const node = ASTNode.createStackNode(this.blocks.singleBlock);
+        const nextNode = node.next();
         chai.assert.isNull(nextNode);
       });
     });
 
-    suite('Previous', function() {
-      test('fromPreviousToNull', function() {
-        var prevConnection = this.blocks.statementInput1.previousConnection;
-        var node = Blockly.ASTNode.createConnectionNode(prevConnection);
-        var prevNode = node.prev();
+    suite('Previous', function () {
+      test('fromPreviousToNull', function () {
+        const prevConnection = this.blocks.statementInput1.previousConnection;
+        const node = ASTNode.createConnectionNode(prevConnection);
+        const prevNode = node.prev();
         chai.assert.isNull(prevNode);
       });
-      test('fromPreviousToNext', function() {
-        var prevConnection = this.blocks.statementInput2.previousConnection;
-        var node = Blockly.ASTNode.createConnectionNode(prevConnection);
-        var prevNode = node.prev();
-        var nextConnection = this.blocks.statementInput1.nextConnection;
+      test('fromPreviousToNext', function () {
+        const prevConnection = this.blocks.statementInput2.previousConnection;
+        const node = ASTNode.createConnectionNode(prevConnection);
+        const prevNode = node.prev();
+        const nextConnection = this.blocks.statementInput1.nextConnection;
         chai.assert.equal(prevNode.getLocation(), nextConnection);
       });
-      test('fromPreviousToInput', function() {
-        var prevConnection = this.blocks.statementInput3.previousConnection;
-        var node = Blockly.ASTNode.createConnectionNode(prevConnection);
-        var prevNode = node.prev();
+      test('fromPreviousToInput', function () {
+        const prevConnection = this.blocks.statementInput3.previousConnection;
+        const node = ASTNode.createConnectionNode(prevConnection);
+        const prevNode = node.prev();
         chai.assert.isNull(prevNode);
       });
-      test('fromBlockToPrevious', function() {
-        var node = Blockly.ASTNode.createBlockNode(this.blocks.statementInput1);
-        var prevNode = node.prev();
-        var prevConnection = this.blocks.statementInput1.previousConnection;
+      test('fromBlockToPrevious', function () {
+        const node = ASTNode.createBlockNode(this.blocks.statementInput1);
+        const prevNode = node.prev();
+        const prevConnection = this.blocks.statementInput1.previousConnection;
         chai.assert.equal(prevNode.getLocation(), prevConnection);
       });
-      test('fromBlockToNull', function() {
-        var node = Blockly.ASTNode.createBlockNode(this.blocks.noPrevConnection);
-        var prevNode = node.prev();
+      test('fromBlockToNull', function () {
+        const node = ASTNode.createBlockNode(this.blocks.noPrevConnection);
+        const prevNode = node.prev();
         chai.assert.isNull(prevNode);
       });
-      test('fromBlockToOutput', function() {
-        var node = Blockly.ASTNode.createBlockNode(this.blocks.fieldWithOutput);
-        var prevNode = node.prev();
-        var outputConnection = this.blocks.fieldWithOutput.outputConnection;
+      test('fromBlockToOutput', function () {
+        const node = ASTNode.createBlockNode(this.blocks.fieldWithOutput);
+        const prevNode = node.prev();
+        const outputConnection = this.blocks.fieldWithOutput.outputConnection;
         chai.assert.equal(prevNode.getLocation(), outputConnection);
       });
-      test('fromNextToBlock', function() {
-        var nextConnection = this.blocks.statementInput1.nextConnection;
-        var node = Blockly.ASTNode.createConnectionNode(nextConnection);
-        var prevNode = node.prev();
+      test('fromNextToBlock', function () {
+        const nextConnection = this.blocks.statementInput1.nextConnection;
+        const node = ASTNode.createConnectionNode(nextConnection);
+        const prevNode = node.prev();
         chai.assert.equal(prevNode.getLocation(), this.blocks.statementInput1);
       });
-      test('fromInputToField', function() {
-        var input = this.blocks.statementInput1.inputList[0];
-        var node = Blockly.ASTNode.createInputNode(input);
-        var prevNode = node.prev();
+      test('fromInputToField', function () {
+        const input = this.blocks.statementInput1.inputList[0];
+        const node = ASTNode.createInputNode(input);
+        const prevNode = node.prev();
         chai.assert.equal(prevNode.getLocation(), input.fieldRow[1]);
       });
-      test('fromInputToNull', function() {
-        var input = this.blocks.fieldAndInputs2.inputList[0];
-        var node = Blockly.ASTNode.createInputNode(input);
-        var prevNode = node.prev();
+      test('fromInputToNull', function () {
+        const input = this.blocks.fieldAndInputs2.inputList[0];
+        const node = ASTNode.createInputNode(input);
+        const prevNode = node.prev();
         chai.assert.isNull(prevNode);
       });
-      test('fromInputToInput', function() {
-        var input = this.blocks.fieldAndInputs2.inputList[2];
-        var inputConnection = this.blocks.fieldAndInputs2.inputList[1].connection;
-        var node = Blockly.ASTNode.createInputNode(input);
-        var prevNode = node.prev();
+      test('fromInputToInput', function () {
+        const input = this.blocks.fieldAndInputs2.inputList[2];
+        const inputConnection =
+          this.blocks.fieldAndInputs2.inputList[1].connection;
+        const node = ASTNode.createInputNode(input);
+        const prevNode = node.prev();
         chai.assert.equal(prevNode.getLocation(), inputConnection);
       });
-      test('fromOutputToNull', function() {
-        var output = this.blocks.fieldWithOutput.outputConnection;
-        var node = Blockly.ASTNode.createConnectionNode(output);
-        var prevNode = node.prev();
+      test('fromOutputToNull', function () {
+        const output = this.blocks.fieldWithOutput.outputConnection;
+        const node = ASTNode.createConnectionNode(output);
+        const prevNode = node.prev();
         chai.assert.isNull(prevNode);
       });
-      test('fromFieldToNull', function() {
-        var field = this.blocks.statementInput1.inputList[0].fieldRow[0];
-        var node = Blockly.ASTNode.createFieldNode(field);
-        var prevNode = node.prev();
+      test('fromFieldToNull', function () {
+        const field = this.blocks.statementInput1.inputList[0].fieldRow[0];
+        const node = ASTNode.createFieldNode(field);
+        const prevNode = node.prev();
         chai.assert.isNull(prevNode);
       });
-      test('fromFieldToInput', function() {
-        var field = this.blocks.fieldAndInputs2.inputList[1].fieldRow[0];
-        var inputConnection = this.blocks.fieldAndInputs2.inputList[0].connection;
-        var node = Blockly.ASTNode.createFieldNode(field);
-        var prevNode = node.prev();
+      test('fromFieldToInput', function () {
+        const field = this.blocks.fieldAndInputs2.inputList[1].fieldRow[0];
+        const inputConnection =
+          this.blocks.fieldAndInputs2.inputList[0].connection;
+        const node = ASTNode.createFieldNode(field);
+        const prevNode = node.prev();
         chai.assert.equal(prevNode.getLocation(), inputConnection);
       });
-      test('fromFieldToField', function() {
-        var field = this.blocks.fieldAndInputs.inputList[1].fieldRow[0];
-        var field2 = this.blocks.fieldAndInputs.inputList[0].fieldRow[0];
-        var node = Blockly.ASTNode.createFieldNode(field);
-        var prevNode = node.prev();
+      test('fromFieldToField', function () {
+        const field = this.blocks.fieldAndInputs.inputList[1].fieldRow[0];
+        const field2 = this.blocks.fieldAndInputs.inputList[0].fieldRow[0];
+        const node = ASTNode.createFieldNode(field);
+        const prevNode = node.prev();
         chai.assert.equal(prevNode.getLocation(), field2);
       });
-      test('fromStackToStack', function() {
-        var node = Blockly.ASTNode.createStackNode(this.blocks.statementInput4);
-        var prevNode = node.prev();
+      test('fromStackToStack', function () {
+        const node = ASTNode.createStackNode(this.blocks.statementInput4);
+        const prevNode = node.prev();
         chai.assert.equal(prevNode.getLocation(), this.blocks.statementInput1);
-        chai.assert.equal(prevNode.getType(), Blockly.ASTNode.types.STACK);
+        chai.assert.equal(prevNode.getType(), ASTNode.types.STACK);
       });
     });
 
-    suite('In', function() {
-      setup(function() {
+    suite('In', function () {
+      setup(function () {
         this.emptyWorkspace = new Blockly.Workspace();
       });
-      teardown(function() {
+      teardown(function () {
         workspaceTeardown.call(this, this.emptyWorkspace);
       });
 
-      test('fromInputToOutput', function() {
-        var input = this.blocks.statementInput1.inputList[0];
-        var node = Blockly.ASTNode.createInputNode(input);
-        var inNode = node.in();
-        var outputConnection = this.blocks.fieldWithOutput.outputConnection;
+      test('fromInputToOutput', function () {
+        const input = this.blocks.statementInput1.inputList[0];
+        const node = ASTNode.createInputNode(input);
+        const inNode = node.in();
+        const outputConnection = this.blocks.fieldWithOutput.outputConnection;
         chai.assert.equal(inNode.getLocation(), outputConnection);
       });
-      test('fromInputToNull', function() {
-        var input = this.blocks.statementInput2.inputList[0];
-        var node = Blockly.ASTNode.createInputNode(input);
-        var inNode = node.in();
+      test('fromInputToNull', function () {
+        const input = this.blocks.statementInput2.inputList[0];
+        const node = ASTNode.createInputNode(input);
+        const inNode = node.in();
         chai.assert.isNull(inNode);
       });
-      test('fromInputToPrevious', function() {
-        var input = this.blocks.statementInput2.inputList[1];
-        var previousConnection = this.blocks.statementInput3.previousConnection;
-        var node = Blockly.ASTNode.createInputNode(input);
-        var inNode = node.in();
+      test('fromInputToPrevious', function () {
+        const input = this.blocks.statementInput2.inputList[1];
+        const previousConnection =
+          this.blocks.statementInput3.previousConnection;
+        const node = ASTNode.createInputNode(input);
+        const inNode = node.in();
         chai.assert.equal(inNode.getLocation(), previousConnection);
       });
-      test('fromBlockToInput', function() {
-        var input = this.blocks.valueInput.inputList[0];
-        var node = Blockly.ASTNode.createBlockNode(this.blocks.valueInput);
-        var inNode = node.in();
+      test('fromBlockToInput', function () {
+        const input = this.blocks.valueInput.inputList[0];
+        const node = ASTNode.createBlockNode(this.blocks.valueInput);
+        const inNode = node.in();
         chai.assert.equal(inNode.getLocation(), input.connection);
       });
-      test('fromBlockToField', function() {
-        var node = Blockly.ASTNode.createBlockNode(this.blocks.statementInput1);
-        var inNode = node.in();
-        var field = this.blocks.statementInput1.inputList[0].fieldRow[0];
+      test('fromBlockToField', function () {
+        const node = ASTNode.createBlockNode(this.blocks.statementInput1);
+        const inNode = node.in();
+        const field = this.blocks.statementInput1.inputList[0].fieldRow[0];
         chai.assert.equal(inNode.getLocation(), field);
       });
-      test('fromBlockToPrevious', function() {
-        var prevConnection = this.blocks.statementInput4.previousConnection;
-        var node = Blockly.ASTNode.createStackNode(this.blocks.statementInput4);
-        var inNode = node.in();
+      test('fromBlockToPrevious', function () {
+        const prevConnection = this.blocks.statementInput4.previousConnection;
+        const node = ASTNode.createStackNode(this.blocks.statementInput4);
+        const inNode = node.in();
         chai.assert.equal(inNode.getLocation(), prevConnection);
-        chai.assert.equal(inNode.getType(), Blockly.ASTNode.types.PREVIOUS);
+        chai.assert.equal(inNode.getType(), ASTNode.types.PREVIOUS);
       });
-      test('fromBlockToNull_DummyInput', function() {
-        var node = Blockly.ASTNode.createBlockNode(this.blocks.dummyInput);
-        var inNode = node.in();
+      test('fromBlockToNull_DummyInput', function () {
+        const node = ASTNode.createBlockNode(this.blocks.dummyInput);
+        const inNode = node.in();
         chai.assert.isNull(inNode);
       });
-      test('fromBlockToInput_DummyInputValue', function() {
-        var node = Blockly.ASTNode.createBlockNode(this.blocks.dummyInputValue);
-        var inputConnection = this.blocks.dummyInputValue.inputList[1].connection;
-        var inNode = node.in();
+      test('fromBlockToInput_DummyInputValue', function () {
+        const node = ASTNode.createBlockNode(this.blocks.dummyInputValue);
+        const inputConnection =
+          this.blocks.dummyInputValue.inputList[1].connection;
+        const inNode = node.in();
         chai.assert.equal(inNode.getLocation(), inputConnection);
       });
-      test('fromOuputToNull', function() {
-        var output = this.blocks.fieldWithOutput.outputConnection;
-        var node = Blockly.ASTNode.createConnectionNode(output);
-        var inNode = node.in();
+      test('fromOuputToNull', function () {
+        const output = this.blocks.fieldWithOutput.outputConnection;
+        const node = ASTNode.createConnectionNode(output);
+        const inNode = node.in();
         chai.assert.isNull(inNode);
       });
-      test('fromFieldToNull', function() {
-        var field = this.blocks.statementInput1.inputList[0].fieldRow[0];
-        var node = Blockly.ASTNode.createFieldNode(field);
-        var inNode = node.in();
+      test('fromFieldToNull', function () {
+        const field = this.blocks.statementInput1.inputList[0].fieldRow[0];
+        const node = ASTNode.createFieldNode(field);
+        const inNode = node.in();
         chai.assert.isNull(inNode);
       });
-      test('fromWorkspaceToStack', function() {
-        var coordinate = new Blockly.utils.Coordinate(100, 100);
-        var node = Blockly.ASTNode.createWorkspaceNode(this.workspace, coordinate);
-        var inNode = node.in();
-        chai.assert.equal(inNode.getLocation(), this.workspace.getTopBlocks()[0]);
-        chai.assert.equal(inNode.getType(), Blockly.ASTNode.types.STACK);
-      });
-      test('fromWorkspaceToNull', function() {
-        var coordinate = new Blockly.utils.Coordinate(100, 100);
-        var node = Blockly.ASTNode.createWorkspaceNode(
-            this.emptyWorkspace, coordinate);
-        var inNode = node.in();
+      test('fromWorkspaceToStack', function () {
+        const coordinate = new Blockly.utils.Coordinate(100, 100);
+        const node = ASTNode.createWorkspaceNode(this.workspace, coordinate);
+        const inNode = node.in();
+        chai.assert.equal(
+          inNode.getLocation(),
+          this.workspace.getTopBlocks()[0],
+        );
+        chai.assert.equal(inNode.getType(), ASTNode.types.STACK);
+      });
+      test('fromWorkspaceToNull', function () {
+        const coordinate = new Blockly.utils.Coordinate(100, 100);
+        const node = ASTNode.createWorkspaceNode(
+          this.emptyWorkspace,
+          coordinate,
+        );
+        const inNode = node.in();
         chai.assert.isNull(inNode);
       });
-      test('fromStackToPrevious', function() {
-        var node = Blockly.ASTNode.createStackNode(this.blocks.statementInput1);
-        var previous = this.blocks.statementInput1.previousConnection;
-        var inNode = node.in();
+      test('fromStackToPrevious', function () {
+        const node = ASTNode.createStackNode(this.blocks.statementInput1);
+        const previous = this.blocks.statementInput1.previousConnection;
+        const inNode = node.in();
         chai.assert.equal(inNode.getLocation(), previous);
-        chai.assert.equal(inNode.getType(), Blockly.ASTNode.types.PREVIOUS);
+        chai.assert.equal(inNode.getType(), ASTNode.types.PREVIOUS);
       });
-      test('fromStackToOutput', function() {
-        var node = Blockly.ASTNode.createStackNode(this.blocks.fieldWithOutput2);
-        var output = this.blocks.fieldWithOutput2.outputConnection;
-        var inNode = node.in();
+      test('fromStackToOutput', function () {
+        const node = ASTNode.createStackNode(this.blocks.fieldWithOutput2);
+        const output = this.blocks.fieldWithOutput2.outputConnection;
+        const inNode = node.in();
         chai.assert.equal(inNode.getLocation(), output);
-        chai.assert.equal(inNode.getType(), Blockly.ASTNode.types.OUTPUT);
+        chai.assert.equal(inNode.getType(), ASTNode.types.OUTPUT);
       });
-      test('fromStackToBlock', function() {
-        var node = Blockly.ASTNode.createStackNode(this.blocks.dummyInput);
-        var inNode = node.in();
+      test('fromStackToBlock', function () {
+        const node = ASTNode.createStackNode(this.blocks.dummyInput);
+        const inNode = node.in();
         chai.assert.equal(inNode.getLocation(), this.blocks.dummyInput);
-        chai.assert.equal(inNode.getType(), Blockly.ASTNode.types.BLOCK);
+        chai.assert.equal(inNode.getType(), ASTNode.types.BLOCK);
       });
     });
 
-    suite('Out', function() {
-      setup(function() {
-        var secondBlock = this.blocks.secondBlock;
-        var outputNextBlock = this.blocks.outputNextBlock;
-        this.blocks.noPrevConnection.nextConnection.connect(secondBlock.previousConnection);
-        secondBlock.inputList[0].connection
-            .connect(outputNextBlock.outputConnection);
+    suite('Out', function () {
+      setup(function () {
+        const secondBlock = this.blocks.secondBlock;
+        const outputNextBlock = this.blocks.outputNextBlock;
+        this.blocks.noPrevConnection.nextConnection.connect(
+          secondBlock.previousConnection,
+        );
+        secondBlock.inputList[0].connection.connect(
+          outputNextBlock.outputConnection,
+        );
       });
 
-      test('fromInputToBlock', function() {
-        var input = this.blocks.statementInput1.inputList[0];
-        var node = Blockly.ASTNode.createInputNode(input);
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.BLOCK);
+      test('fromInputToBlock', function () {
+        const input = this.blocks.statementInput1.inputList[0];
+        const node = ASTNode.createInputNode(input);
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.BLOCK);
         chai.assert.equal(outNode.getLocation(), this.blocks.statementInput1);
       });
-      test('fromOutputToInput', function() {
-        var output = this.blocks.fieldWithOutput.outputConnection;
-        var node = Blockly.ASTNode.createConnectionNode(output);
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.INPUT);
-        chai.assert.equal(outNode.getLocation(),
-            this.blocks.statementInput1.inputList[0].connection);
-      });
-      test('fromOutputToStack', function() {
-        var output = this.blocks.fieldWithOutput2.outputConnection;
-        var node = Blockly.ASTNode.createConnectionNode(output);
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.STACK);
+      test('fromOutputToInput', function () {
+        const output = this.blocks.fieldWithOutput.outputConnection;
+        const node = ASTNode.createConnectionNode(output);
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.INPUT);
+        chai.assert.equal(
+          outNode.getLocation(),
+          this.blocks.statementInput1.inputList[0].connection,
+        );
+      });
+      test('fromOutputToStack', function () {
+        const output = this.blocks.fieldWithOutput2.outputConnection;
+        const node = ASTNode.createConnectionNode(output);
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.STACK);
         chai.assert.equal(outNode.getLocation(), this.blocks.fieldWithOutput2);
       });
-      test('fromFieldToBlock', function() {
-        var field = this.blocks.statementInput1.inputList[0].fieldRow[0];
-        var node = Blockly.ASTNode.createFieldNode(field);
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.BLOCK);
+      test('fromFieldToBlock', function () {
+        const field = this.blocks.statementInput1.inputList[0].fieldRow[0];
+        const node = ASTNode.createFieldNode(field);
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.BLOCK);
         chai.assert.equal(outNode.getLocation(), this.blocks.statementInput1);
       });
-      test('fromStackToWorkspace', function() {
-        var stub = sinon.stub(this.blocks.statementInput4,
-            "getRelativeToSurfaceXY").returns({x: 10, y:10});
-        var node = Blockly.ASTNode.createStackNode(this.blocks.statementInput4);
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.WORKSPACE);
-        chai.assert.equal(outNode.wsCoordinate_.x, 10);
-        chai.assert.equal(outNode.wsCoordinate_.y, -10);
+      test('fromStackToWorkspace', function () {
+        const stub = sinon
+          .stub(this.blocks.statementInput4, 'getRelativeToSurfaceXY')
+          .returns({x: 10, y: 10});
+        const node = ASTNode.createStackNode(this.blocks.statementInput4);
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.WORKSPACE);
+        chai.assert.equal(outNode.wsCoordinate.x, 10);
+        chai.assert.equal(outNode.wsCoordinate.y, -10);
         stub.restore();
       });
-      test('fromPreviousToInput', function() {
-        var previous = this.blocks.statementInput3.previousConnection;
-        var inputConnection = this.blocks.statementInput2.inputList[1].connection;
-        var node = Blockly.ASTNode.createConnectionNode(previous);
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.INPUT);
+      test('fromPreviousToInput', function () {
+        const previous = this.blocks.statementInput3.previousConnection;
+        const inputConnection =
+          this.blocks.statementInput2.inputList[1].connection;
+        const node = ASTNode.createConnectionNode(previous);
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.INPUT);
         chai.assert.equal(outNode.getLocation(), inputConnection);
       });
-      test('fromPreviousToStack', function() {
-        var previous = this.blocks.statementInput2.previousConnection;
-        var node = Blockly.ASTNode.createConnectionNode(previous);
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.STACK);
+      test('fromPreviousToStack', function () {
+        const previous = this.blocks.statementInput2.previousConnection;
+        const node = ASTNode.createConnectionNode(previous);
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.STACK);
         chai.assert.equal(outNode.getLocation(), this.blocks.statementInput1);
       });
-      test('fromNextToInput', function() {
-        var next = this.blocks.statementInput3.nextConnection;
-        var inputConnection = this.blocks.statementInput2.inputList[1].connection;
-        var node = Blockly.ASTNode.createConnectionNode(next);
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.INPUT);
+      test('fromNextToInput', function () {
+        const next = this.blocks.statementInput3.nextConnection;
+        const inputConnection =
+          this.blocks.statementInput2.inputList[1].connection;
+        const node = ASTNode.createConnectionNode(next);
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.INPUT);
         chai.assert.equal(outNode.getLocation(), inputConnection);
       });
-      test('fromNextToStack', function() {
-        var next = this.blocks.statementInput2.nextConnection;
-        var node = Blockly.ASTNode.createConnectionNode(next);
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.STACK);
+      test('fromNextToStack', function () {
+        const next = this.blocks.statementInput2.nextConnection;
+        const node = ASTNode.createConnectionNode(next);
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.STACK);
         chai.assert.equal(outNode.getLocation(), this.blocks.statementInput1);
       });
-      test('fromNextToStack_NoPreviousConnection', function() {
-        var next = this.blocks.secondBlock.nextConnection;
-        var node = Blockly.ASTNode.createConnectionNode(next);
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.STACK);
+      test('fromNextToStack_NoPreviousConnection', function () {
+        const next = this.blocks.secondBlock.nextConnection;
+        const node = ASTNode.createConnectionNode(next);
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.STACK);
         chai.assert.equal(outNode.getLocation(), this.blocks.noPrevConnection);
       });
       /**
        * This is where there is a block with both an output connection and a
        * next connection attached to an input.
        */
-      test('fromNextToInput_OutputAndPreviousConnection', function() {
-        var next = this.blocks.outputNextBlock.nextConnection;
-        var node = Blockly.ASTNode.createConnectionNode(next);
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.INPUT);
-        chai.assert.equal(outNode.getLocation(),
-            this.blocks.secondBlock.inputList[0].connection);
-      });
-      test('fromBlockToStack', function() {
-        var node = Blockly.ASTNode.createBlockNode(this.blocks.statementInput2);
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.STACK);
+      test('fromNextToInput_OutputAndPreviousConnection', function () {
+        const next = this.blocks.outputNextBlock.nextConnection;
+        const node = ASTNode.createConnectionNode(next);
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.INPUT);
+        chai.assert.equal(
+          outNode.getLocation(),
+          this.blocks.secondBlock.inputList[0].connection,
+        );
+      });
+      test('fromBlockToStack', function () {
+        const node = ASTNode.createBlockNode(this.blocks.statementInput2);
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.STACK);
         chai.assert.equal(outNode.getLocation(), this.blocks.statementInput1);
       });
-      test('fromBlockToInput', function() {
-        var input = this.blocks.statementInput2.inputList[1].connection;
-        var node = Blockly.ASTNode.createBlockNode(this.blocks.statementInput3);
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.INPUT);
+      test('fromBlockToInput', function () {
+        const input = this.blocks.statementInput2.inputList[1].connection;
+        const node = ASTNode.createBlockNode(this.blocks.statementInput3);
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.INPUT);
         chai.assert.equal(outNode.getLocation(), input);
       });
-      test('fromTopBlockToStack', function() {
-        var node = Blockly.ASTNode.createBlockNode(this.blocks.statementInput1);
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.STACK);
+      test('fromTopBlockToStack', function () {
+        const node = ASTNode.createBlockNode(this.blocks.statementInput1);
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.STACK);
         chai.assert.equal(outNode.getLocation(), this.blocks.statementInput1);
       });
-      test('fromBlockToStack_OutputConnection', function() {
-        var node = Blockly.ASTNode.createBlockNode(this.blocks.fieldWithOutput2);
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.STACK);
+      test('fromBlockToStack_OutputConnection', function () {
+        const node = ASTNode.createBlockNode(this.blocks.fieldWithOutput2);
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.STACK);
         chai.assert.equal(outNode.getLocation(), this.blocks.fieldWithOutput2);
       });
-      test('fromBlockToInput_OutputConnection', function() {
-        var node = Blockly.ASTNode.createBlockNode(this.blocks.outputNextBlock);
-        var inputConnection = this.blocks.secondBlock.inputList[0].connection;
-        var outNode = node.out();
-        chai.assert.equal(outNode.getType(), Blockly.ASTNode.types.INPUT);
+      test('fromBlockToInput_OutputConnection', function () {
+        const node = ASTNode.createBlockNode(this.blocks.outputNextBlock);
+        const inputConnection = this.blocks.secondBlock.inputList[0].connection;
+        const outNode = node.out();
+        chai.assert.equal(outNode.getType(), ASTNode.types.INPUT);
         chai.assert.equal(outNode.getLocation(), inputConnection);
       });
     });
 
-    suite('createFunctions', function() {
-      test('createFieldNode', function() {
-        var field = this.blocks.statementInput1.inputList[0].fieldRow[0];
-        var node = Blockly.ASTNode.createFieldNode(field);
+    suite('createFunctions', function () {
+      test('createFieldNode', function () {
+        const field = this.blocks.statementInput1.inputList[0].fieldRow[0];
+        const node = ASTNode.createFieldNode(field);
         chai.assert.equal(node.getLocation(), field);
-        chai.assert.equal(node.getType(), Blockly.ASTNode.types.FIELD);
+        chai.assert.equal(node.getType(), ASTNode.types.FIELD);
         chai.assert.isFalse(node.isConnection());
       });
-      test('createConnectionNode', function() {
-        var prevConnection = this.blocks.statementInput4.previousConnection;
-        var node = Blockly.ASTNode.createConnectionNode(prevConnection);
+      test('createConnectionNode', function () {
+        const prevConnection = this.blocks.statementInput4.previousConnection;
+        const node = ASTNode.createConnectionNode(prevConnection);
         chai.assert.equal(node.getLocation(), prevConnection);
-        chai.assert.equal(node.getType(), Blockly.ASTNode.types.PREVIOUS);
+        chai.assert.equal(node.getType(), ASTNode.types.PREVIOUS);
         chai.assert.isTrue(node.isConnection());
       });
-      test('createInputNode', function() {
-        var input = this.blocks.statementInput1.inputList[0];
-        var node = Blockly.ASTNode.createInputNode(input);
+      test('createInputNode', function () {
+        const input = this.blocks.statementInput1.inputList[0];
+        const node = ASTNode.createInputNode(input);
         chai.assert.equal(node.getLocation(), input.connection);
-        chai.assert.equal(node.getType(), Blockly.ASTNode.types.INPUT);
+        chai.assert.equal(node.getType(), ASTNode.types.INPUT);
         chai.assert.isTrue(node.isConnection());
       });
-      test('createWorkspaceNode', function() {
-        var coordinate = new Blockly.utils.Coordinate(100, 100);
-        var node = Blockly.ASTNode
-            .createWorkspaceNode(this.workspace, coordinate);
+      test('createWorkspaceNode', function () {
+        const coordinate = new Blockly.utils.Coordinate(100, 100);
+        const node = ASTNode.createWorkspaceNode(this.workspace, coordinate);
         chai.assert.equal(node.getLocation(), this.workspace);
-        chai.assert.equal(node.getType(), Blockly.ASTNode.types.WORKSPACE);
+        chai.assert.equal(node.getType(), ASTNode.types.WORKSPACE);
         chai.assert.equal(node.getWsCoordinate(), coordinate);
         chai.assert.isFalse(node.isConnection());
       });
-      test('createStatementConnectionNode', function() {
-        var nextConnection = this.blocks.statementInput1.inputList[1].connection;
-        var inputConnection = this.blocks.statementInput1.inputList[1].connection;
-        var node = Blockly.ASTNode.createConnectionNode(nextConnection);
+      test('createStatementConnectionNode', function () {
+        const nextConnection =
+          this.blocks.statementInput1.inputList[1].connection;
+        const inputConnection =
+          this.blocks.statementInput1.inputList[1].connection;
+        const node = ASTNode.createConnectionNode(nextConnection);
         chai.assert.equal(node.getLocation(), inputConnection);
-        chai.assert.equal(node.getType(), Blockly.ASTNode.types.INPUT);
+        chai.assert.equal(node.getType(), ASTNode.types.INPUT);
         chai.assert.isTrue(node.isConnection());
       });
-      test('createTopNode-previous', function() {
-        var block = this.blocks.statementInput1;
-        var topNode = Blockly.ASTNode.createTopNode(block);
+      test('createTopNode-previous', function () {
+        const block = this.blocks.statementInput1;
+        const topNode = ASTNode.createTopNode(block);
         chai.assert.equal(topNode.getLocation(), block.previousConnection);
       });
-      test('createTopNode-block', function() {
-        var block = this.blocks.noPrevConnection;
-        var topNode = Blockly.ASTNode.createTopNode(block);
+      test('createTopNode-block', function () {
+        const block = this.blocks.noPrevConnection;
+        const topNode = ASTNode.createTopNode(block);
         chai.assert.equal(topNode.getLocation(), block);
       });
-      test('createTopNode-output', function() {
-        var block = this.blocks.outputNextBlock;
-        var topNode = Blockly.ASTNode.createTopNode(block);
+      test('createTopNode-output', function () {
+        const block = this.blocks.outputNextBlock;
+        const topNode = ASTNode.createTopNode(block);
         chai.assert.equal(topNode.getLocation(), block.outputConnection);
       });
     });
diff --git a/tests/mocha/block_json_test.js b/tests/mocha/block_json_test.js
new file mode 100644
index 00000000000..e89c68e7c1d
--- /dev/null
+++ b/tests/mocha/block_json_test.js
@@ -0,0 +1,776 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {Align} from '../../build/src/core/inputs/align.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Block JSON initialization', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('validateTokens_', function () {
+    setup(function () {
+      this.assertError = function (tokens, count, error) {
+        const block = {
+          type: 'test',
+          validateTokens_: Blockly.Block.prototype.validateTokens_,
+        };
+        chai.assert.throws(function () {
+          block.validateTokens_(tokens, count);
+        }, error);
+      };
+
+      this.assertNoError = function (tokens, count) {
+        const block = {
+          type: 'test',
+          validateTokens_: Blockly.Block.prototype.validateTokens_,
+        };
+        chai.assert.doesNotThrow(function () {
+          block.validateTokens_(tokens, count);
+        });
+      };
+    });
+
+    test('0 args, 0 tokens', function () {
+      this.assertNoError(['test', 'test'], 0);
+    });
+
+    test('0 args, 1 token', function () {
+      this.assertError(
+        ['test', 1, 'test'],
+        0,
+        'Block "test": Message index %1 out of range.',
+      );
+    });
+
+    test('1 arg, 0 tokens', function () {
+      this.assertError(
+        ['test', 'test'],
+        1,
+        'Block "test": Message does not reference all 1 arg(s).',
+      );
+    });
+
+    test('1 arg, 1 token', function () {
+      this.assertNoError(['test', 1, 'test'], 1);
+    });
+
+    test('1 arg, 2 tokens', function () {
+      this.assertError(
+        ['test', 1, 1, 'test'],
+        1,
+        'Block "test": Message index %1 duplicated.',
+      );
+    });
+
+    test('Token out of lower bound', function () {
+      this.assertError(
+        ['test', 0, 'test'],
+        1,
+        'Block "test": Message index %0 out of range.',
+      );
+    });
+
+    test('Token out of upper bound', function () {
+      this.assertError(
+        ['test', 2, 'test'],
+        1,
+        'Block "test": Message index %2 out of range.',
+      );
+    });
+
+    test('Newline tokens are valid', function () {
+      this.assertNoError(['test', '\n', 'test'], 0);
+    });
+  });
+
+  suite('interpolateArguments_', function () {
+    setup(function () {
+      this.assertInterpolation = function (tokens, args, lastAlign, elements) {
+        const block = {
+          type: 'test',
+          interpolateArguments_: Blockly.Block.prototype.interpolateArguments_,
+          stringToFieldJson_: Blockly.Block.prototype.stringToFieldJson_,
+          isInputKeyword_: Blockly.Block.prototype.isInputKeyword_,
+        };
+        chai.assert.deepEqual(
+          block.interpolateArguments_(tokens, args, lastAlign),
+          elements,
+        );
+      };
+    });
+
+    test('Strings to labels', function () {
+      this.assertInterpolation(
+        ['test1', 'test2', 'test3', {'type': 'input_dummy'}],
+        [],
+        undefined,
+        [
+          {
+            'type': 'field_label',
+            'text': 'test1',
+          },
+          {
+            'type': 'field_label',
+            'text': 'test2',
+          },
+          {
+            'type': 'field_label',
+            'text': 'test3',
+          },
+          {
+            'type': 'input_dummy',
+          },
+        ],
+      );
+    });
+
+    test('Ignore empty strings', function () {
+      this.assertInterpolation(
+        ['test1', '', '    ', {'type': 'input_dummy'}],
+        [],
+        undefined,
+        [
+          {
+            'type': 'field_label',
+            'text': 'test1',
+          },
+          {
+            'type': 'input_dummy',
+          },
+        ],
+      );
+    });
+
+    test('Insert args', function () {
+      this.assertInterpolation(
+        [1, 2, 3, {'type': 'input_dummy'}],
+        [
+          {
+            'type': 'field_number',
+            'name': 'test1',
+          },
+          {
+            'type': 'field_number',
+            'name': 'test2',
+          },
+          {
+            'type': 'field_number',
+            'name': 'test3',
+          },
+        ],
+        undefined,
+        [
+          {
+            'type': 'field_number',
+            'name': 'test1',
+          },
+          {
+            'type': 'field_number',
+            'name': 'test2',
+          },
+          {
+            'type': 'field_number',
+            'name': 'test3',
+          },
+          {
+            'type': 'input_dummy',
+          },
+        ],
+      );
+    });
+
+    test('String args to labels', function () {
+      this.assertInterpolation(
+        [1, 2, 3, {'type': 'input_dummy'}],
+        ['test1', 'test2', 'test3'],
+        undefined,
+        [
+          {
+            'type': 'field_label',
+            'text': 'test1',
+          },
+          {
+            'type': 'field_label',
+            'text': 'test2',
+          },
+          {
+            'type': 'field_label',
+            'text': 'test3',
+          },
+          {
+            'type': 'input_dummy',
+          },
+        ],
+      );
+    });
+
+    test('Ignore empty string args', function () {
+      this.assertInterpolation(
+        [1, 2, 3, {'type': 'input_dummy'}],
+        ['test1', '     ', '     '],
+        undefined,
+        [
+          {
+            'type': 'field_label',
+            'text': 'test1',
+          },
+          {
+            'type': 'input_dummy',
+          },
+        ],
+      );
+    });
+
+    test('Add last dummy', function () {
+      this.assertInterpolation(['test1', 'test2', 'test3'], [], undefined, [
+        {
+          'type': 'field_label',
+          'text': 'test1',
+        },
+        {
+          'type': 'field_label',
+          'text': 'test2',
+        },
+        {
+          'type': 'field_label',
+          'text': 'test3',
+        },
+        {
+          'type': 'input_dummy',
+        },
+      ]);
+    });
+
+    test('Add last dummy for no_field_prefix_field', function () {
+      this.assertInterpolation(
+        [
+          {
+            'type': 'no_field_prefix_field',
+          },
+        ],
+        [],
+        undefined,
+        [
+          {
+            'type': 'no_field_prefix_field',
+          },
+          {
+            'type': 'input_dummy',
+          },
+        ],
+      );
+    });
+
+    test('Add last dummy for input_prefix_field', function () {
+      this.assertInterpolation(
+        [
+          {
+            'type': 'input_prefix_field',
+          },
+        ],
+        [],
+        undefined,
+        [
+          {
+            'type': 'input_prefix_field',
+          },
+          {
+            'type': 'input_dummy',
+          },
+        ],
+      );
+    });
+
+    test('Set last dummy alignment', function () {
+      this.assertInterpolation(['test1', 'test2', 'test3'], [], 'CENTER', [
+        {
+          'type': 'field_label',
+          'text': 'test1',
+        },
+        {
+          'type': 'field_label',
+          'text': 'test2',
+        },
+        {
+          'type': 'field_label',
+          'text': 'test3',
+        },
+        {
+          'type': 'input_dummy',
+          'align': 'CENTER',
+        },
+      ]);
+    });
+
+    test('interpolation output includes end-row inputs', function () {
+      this.assertInterpolation(
+        ['test1', {'type': 'input_end_row'}, 'test2'],
+        [],
+        undefined,
+        [
+          {
+            'type': 'field_label',
+            'text': 'test1',
+          },
+          {
+            'type': 'input_end_row',
+          },
+          {
+            'type': 'field_label',
+            'text': 'test2',
+          },
+          {
+            'type': 'input_dummy',
+          },
+        ],
+      );
+    });
+
+    test('Newline is converted to end-row input', function () {
+      this.assertInterpolation(['test1', '\n', 'test2'], [], undefined, [
+        {
+          'type': 'field_label',
+          'text': 'test1',
+        },
+        {
+          'type': 'input_end_row',
+        },
+        {
+          'type': 'field_label',
+          'text': 'test2',
+        },
+        {
+          'type': 'input_dummy',
+        },
+      ]);
+    });
+
+    test('Newline converted to end-row aligned like last dummy', function () {
+      this.assertInterpolation(['test1', '\n', 'test2'], [], 'CENTER', [
+        {
+          'type': 'field_label',
+          'text': 'test1',
+        },
+        {
+          'type': 'input_end_row',
+          'align': 'CENTER',
+        },
+        {
+          'type': 'field_label',
+          'text': 'test2',
+        },
+        {
+          'type': 'input_dummy',
+          'align': 'CENTER',
+        },
+      ]);
+    });
+  });
+
+  suite('fieldFromJson_', function () {
+    setup(function () {
+      this.stub = sinon
+        .stub(Blockly.fieldRegistry.TEST_ONLY, 'fromJsonInternal')
+        .callsFake(function (elem) {
+          switch (elem['type']) {
+            case 'field_label':
+              return 'field_label';
+            case 'field_number':
+              return 'field_number';
+            case 'no_field_prefix_field':
+              return 'no_field_prefix_field';
+            case 'input_prefix_field':
+              return 'input_prefix_field';
+            default:
+              return null;
+          }
+        });
+
+      this.assertField = function (json, expectedType) {
+        const block = {
+          type: 'test',
+          fieldFromJson_: Blockly.Block.prototype.fieldFromJson_,
+          stringToFieldJson_: Blockly.Block.prototype.stringToFieldJson_,
+        };
+        chai.assert.strictEqual(block.fieldFromJson_(json), expectedType);
+      };
+    });
+
+    teardown(function () {
+      this.stub.restore();
+    });
+
+    test('Simple field', function () {
+      this.assertField(
+        {
+          'type': 'field_label',
+          'text': 'text',
+        },
+        'field_label',
+      );
+    });
+
+    test('Bad field', function () {
+      this.assertField(
+        {
+          'type': 'field_bad',
+        },
+        null,
+      );
+    });
+
+    test('no_field_prefix_field', function () {
+      this.assertField(
+        {
+          'type': 'no_field_prefix_field',
+        },
+        'no_field_prefix_field',
+      );
+    });
+
+    test('input_prefix_field', function () {
+      this.assertField(
+        {
+          'type': 'input_prefix_field',
+        },
+        'input_prefix_field',
+      );
+    });
+
+    test('Alt string', function () {
+      this.assertField(
+        {
+          'type': 'field_undefined',
+          'alt': 'alt text',
+        },
+        'field_label',
+      );
+    });
+
+    test('input_prefix_bad w/ alt string', function () {
+      this.assertField(
+        {
+          'type': 'input_prefix_bad',
+          'alt': 'alt string',
+        },
+        'field_label',
+      );
+    });
+
+    test('Alt other field', function () {
+      this.assertField(
+        {
+          'type': 'field_undefined',
+          'alt': {
+            'type': 'field_number',
+            'name': 'FIELDNAME',
+          },
+        },
+        'field_number',
+      );
+    });
+
+    test('Deep alt string', function () {
+      this.assertField(
+        {
+          'type': 'field_undefined1',
+          'alt': {
+            'type': 'field_undefined2',
+            'alt': {
+              'type': 'field_undefined3',
+              'alt': {
+                'type': 'field_undefined4',
+                'alt': {
+                  'type': 'field_undefined5',
+                  'alt': 'text',
+                },
+              },
+            },
+          },
+        },
+        'field_label',
+      );
+    });
+
+    test('Deep alt other field', function () {
+      this.assertField(
+        {
+          'type': 'field_undefined1',
+          'alt': {
+            'type': 'field_undefined2',
+            'alt': {
+              'type': 'field_undefined3',
+              'alt': {
+                'type': 'field_undefined4',
+                'alt': {
+                  'type': 'field_undefined5',
+                  'alt': {
+                    'type': 'field_number',
+                    'name': 'FIELDNAME',
+                  },
+                },
+              },
+            },
+          },
+        },
+        'field_number',
+      );
+    });
+
+    test('No alt', function () {
+      this.assertField(
+        {
+          'type': 'field_undefined',
+        },
+        null,
+      );
+    });
+
+    test('Bad alt', function () {
+      this.assertField(
+        {
+          'type': 'field_undefined',
+          'alt': {
+            'type': 'field_undefined',
+          },
+        },
+        null,
+      );
+    });
+
+    test('Spaces string alt', function () {
+      this.assertField(
+        {
+          'type': 'field_undefined',
+          'alt': '        ',
+        },
+        null,
+      );
+    });
+  });
+
+  suite('inputFromJson_', function () {
+    setup(function () {
+      this.assertInput = function (json, type, check, align) {
+        const block = this.workspace.newBlock('test_basic_empty');
+        sinon.spy(block, 'appendDummyInput');
+        sinon.spy(block, 'appendValueInput');
+        sinon.spy(block, 'appendStatementInput');
+
+        const input = block.inputFromJson_(json);
+        switch (type) {
+          case 'input_dummy':
+            chai.assert.isTrue(
+              block.appendDummyInput.calledOnce,
+              'Expected a dummy input to be created.',
+            );
+            break;
+          case 'input_value':
+            chai.assert.isTrue(
+              block.appendValueInput.calledOnce,
+              'Expected a value input to be created.',
+            );
+            break;
+          case 'input_statement':
+            chai.assert.isTrue(
+              block.appendStatementInput.calledOnce,
+              'Expected a statement input to be created.',
+            );
+            break;
+          default:
+            chai.assert.isNull(input, 'Expected input to be null');
+            chai.assert.isTrue(
+              block.appendDummyInput.notCalled,
+              'Expected no input to be created',
+            );
+            chai.assert.isTrue(
+              block.appendValueInput.notCalled,
+              'Expected no input to be created',
+            );
+            chai.assert.isTrue(
+              block.appendStatementInput.notCalled,
+              'Expected no input to be created',
+            );
+            return;
+        }
+        if (check) {
+          if (Array.isArray(check)) {
+            chai.assert.deepEqual(check, input.connection.getCheck());
+          } else {
+            chai.assert.deepEqual([check], input.connection.getCheck());
+          }
+        }
+        if (align !== undefined) {
+          chai.assert.equal(align, input.align);
+        }
+      };
+    });
+
+    suite('input types', function () {
+      test('Dummy', function () {
+        this.assertInput(
+          {
+            'type': 'input_dummy',
+          },
+          'input_dummy',
+        );
+      });
+
+      test('Value', function () {
+        this.assertInput(
+          {
+            'type': 'input_value',
+            'name': 'NAME',
+          },
+          'input_value',
+        );
+      });
+
+      test('Statement', function () {
+        this.assertInput(
+          {
+            'type': 'input_statement',
+            'name': 'NAME',
+          },
+          'input_statement',
+        );
+      });
+
+      test('Bad input type', function () {
+        this.assertInput(
+          {
+            'type': 'input_bad',
+          },
+          'input_bad',
+        );
+      });
+
+      test('custom input types are constructed from the registry', function () {
+        class CustomInput extends Blockly.Input {}
+        Blockly.registry.register(
+          Blockly.registry.Type.INPUT,
+          'custom',
+          CustomInput,
+        );
+        const block = this.workspace.newBlock('test_basic_empty');
+        block.inputFromJson_({'type': 'custom'});
+        chai.assert.instanceOf(
+          block.inputList[0],
+          CustomInput,
+          'Expected the registered input to be constructed',
+        );
+      });
+    });
+
+    suite('connection checks', function () {
+      test('String Check', function () {
+        this.assertInput(
+          {
+            'type': 'input_value',
+            'name': 'NAME',
+            'check': 'Integer',
+          },
+          'input_value',
+          'Integer',
+        );
+      });
+
+      test('Array check', function () {
+        this.assertInput(
+          {
+            'type': 'input_value',
+            'name': 'NAME',
+            'check': ['Integer', 'Number'],
+          },
+          'input_value',
+          ['Integer', 'Number'],
+        );
+      });
+
+      test('Empty check', function () {
+        this.assertInput(
+          {
+            'type': 'input_value',
+            'name': 'NAME',
+            'check': '',
+          },
+          'input_value',
+        );
+      });
+
+      test('Null check', function () {
+        this.assertInput(
+          {
+            'type': 'input_value',
+            'name': 'NAME',
+            'check': null,
+          },
+          'input_value',
+        );
+      });
+    });
+
+    suite('alignment', function () {
+      test('"Left" align', function () {
+        this.assertInput(
+          {
+            'type': 'input_dummy',
+            'align': 'LEFT',
+          },
+          'input_dummy',
+          undefined,
+          Align.LEFT,
+        );
+      });
+
+      test('"Right" align', function () {
+        this.assertInput(
+          {
+            'type': 'input_dummy',
+            'align': 'RIGHT',
+          },
+          'input_dummy',
+          undefined,
+          Align.RIGHT,
+        );
+      });
+
+      test('"Center" align', function () {
+        this.assertInput(
+          {
+            'type': 'input_dummy',
+            'align': 'CENTER',
+          },
+          'input_dummy',
+          undefined,
+          Align.CENTRE,
+        );
+      });
+
+      test('"Centre" align', function () {
+        this.assertInput(
+          {
+            'type': 'input_dummy',
+            'align': 'CENTRE',
+          },
+          'input_dummy',
+          undefined,
+          Align.CENTRE,
+        );
+      });
+    });
+  });
+});
diff --git a/tests/mocha/block_test.js b/tests/mocha/block_test.js
index fc78017fcbf..e158391fc12 100644
--- a/tests/mocha/block_test.js
+++ b/tests/mocha/block_test.js
@@ -4,54 +4,73 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Blocks', function() {
-  setup(function() {
-    sharedTestSetup.call(this, {fireEventsNow: false});
+import {ConnectionType} from '../../build/src/core/connection_type.js';
+import {createDeprecationWarningStub} from './test_helpers/warnings.js';
+import {createRenderedBlock} from './test_helpers/block_definitions.js';
+import * as eventUtils from '../../build/src/core/events/utils.js';
+import {EndRowInput} from '../../build/src/core/inputs/end_row_input.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+import {
+  createChangeListenerSpy,
+  createMockEvent,
+} from './test_helpers/events.js';
+import {MockIcon, MockBubbleIcon} from './test_helpers/icon_mocks.js';
+import {IconType} from '../../build/src/core/icons/icon_types.js';
+
+suite('Blocks', function () {
+  setup(function () {
+    this.clock = sharedTestSetup.call(this, {fireEventsNow: false}).clock;
     this.workspace = new Blockly.Workspace();
     Blockly.defineBlocksWithJsonArray([
       {
-        "type": "empty_block",
-        "message0": ""
+        'type': 'empty_block',
+        'message0': '',
       },
       {
-        "type": "stack_block",
-        "message0": "",
-        "previousStatement": null,
-        "nextStatement": null
+        'type': 'stack_block',
+        'message0': '',
+        'previousStatement': null,
+        'nextStatement': null,
       },
       {
-        "type": "row_block",
-        "message0": "%1",
-        "args0": [
+        'type': 'row_block',
+        'message0': '%1',
+        'args0': [
           {
-            "type": "input_value",
-            "name": "INPUT"
-          }
+            'type': 'input_value',
+            'name': 'INPUT',
+          },
         ],
-        "output": null
+        'output': null,
       },
       {
-        "type": "statement_block",
-        "message0": "%1",
-        "args0": [
+        'type': 'statement_block',
+        'message0': '%1',
+        'args0': [
           {
-            "type": "input_statement",
-            "name": "STATEMENT"
-          }
+            'type': 'input_statement',
+            'name': 'STATEMENT',
+          },
         ],
-        "previousStatement": null,
-        "nextStatement": null
-      }]);
+        'previousStatement': null,
+        'nextStatement': null,
+      },
+    ]);
   });
-  teardown(function() {
+
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
   function createTestBlocks(workspace, isRow) {
-    var blockType = isRow ? 'row_block' : 'stack_block';
-    var blockA = workspace.newBlock(blockType);
-    var blockB = workspace.newBlock(blockType);
-    var blockC = workspace.newBlock(blockType);
+    const blockType = isRow ? 'row_block' : 'stack_block';
+    const blockA = workspace.newBlock(blockType, 'a');
+    const blockB = workspace.newBlock(blockType, 'b');
+    const blockC = workspace.newBlock(blockType, 'c');
 
     if (isRow) {
       blockA.inputList[0].connection.connect(blockB.outputConnection);
@@ -64,13 +83,13 @@ suite('Blocks', function() {
     chai.assert.equal(blockC.getParent(), blockB);
 
     return {
-      A: blockA,  /* Parent */
-      B: blockB,  /* Middle */
-      C: blockC  /* Child */
+      A: blockA /* Parent */,
+      B: blockB /* Middle */,
+      C: blockC /* Child */,
     };
   }
 
-  suite('Unplug', function() {
+  suite('Unplug', function () {
     function assertUnpluggedNoheal(blocks) {
       // A has nothing connected to it.
       chai.assert.equal(blocks.A.getChildren().length, 0);
@@ -99,22 +118,22 @@ suite('Blocks', function() {
       chai.assert.isNull(blocks.C.getParent());
     }
 
-    suite('Row', function() {
-      setup(function() {
+    suite('Row', function () {
+      setup(function () {
         this.blocks = createTestBlocks(this.workspace, true);
       });
 
-      test('Don\'t heal', function() {
+      test("Don't heal", function () {
         this.blocks.B.unplug(false);
         assertUnpluggedNoheal(this.blocks);
       });
-      test('Heal', function() {
+      test('Heal', function () {
         this.blocks.B.unplug(true);
         // Each block has only one input, and the types work.
         assertUnpluggedHealed(this.blocks);
       });
-      test('Heal with bad checks', function() {
-        var blocks = this.blocks;
+      test('Heal with bad checks', function () {
+        const blocks = this.blocks;
 
         // A and C can't connect, but both can connect to B.
         blocks.A.inputList[0].connection.setCheck('type1');
@@ -124,30 +143,30 @@ suite('Blocks', function() {
         blocks.B.unplug(true);
         assertUnpluggedHealFailed(blocks);
       });
-      test('Parent has multiple inputs', function() {
-        var blocks = this.blocks;
+      test('Parent has multiple inputs', function () {
+        const blocks = this.blocks;
         // Add extra input to parent
-        blocks.A.appendValueInput("INPUT").setCheck(null);
+        blocks.A.appendValueInput('INPUT').setCheck(null);
         blocks.B.unplug(true);
         assertUnpluggedHealed(blocks);
       });
-      test('Middle has multiple inputs', function() {
-        var blocks = this.blocks;
+      test('Middle has multiple inputs', function () {
+        const blocks = this.blocks;
         // Add extra input to middle block
-        blocks.B.appendValueInput("INPUT").setCheck(null);
+        blocks.B.appendValueInput('INPUT').setCheck(null);
         blocks.B.unplug(true);
         assertUnpluggedHealed(blocks);
       });
-      test('Child has multiple inputs', function() {
-        var blocks = this.blocks;
+      test('Child has multiple inputs', function () {
+        const blocks = this.blocks;
         // Add extra input to child block
-        blocks.C.appendValueInput("INPUT").setCheck(null);
+        blocks.C.appendValueInput('INPUT').setCheck(null);
         // Child block input count doesn't matter.
         blocks.B.unplug(true);
         assertUnpluggedHealed(blocks);
       });
-      test('Child is shadow', function() {
-        var blocks = this.blocks;
+      test('Child is shadow', function () {
+        const blocks = this.blocks;
         blocks.C.setShadow(true);
         blocks.B.unplug(true);
         // Even though we're asking to heal, it will appear as if it has not
@@ -155,21 +174,21 @@ suite('Blocks', function() {
         assertUnpluggedNoheal(blocks);
       });
     });
-    suite('Stack', function() {
-      setup(function() {
+    suite('Stack', function () {
+      setup(function () {
         this.blocks = createTestBlocks(this.workspace, false);
       });
 
-      test('Don\'t heal', function() {
+      test("Don't heal", function () {
         this.blocks.B.unplug();
         assertUnpluggedNoheal(this.blocks);
       });
-      test('Heal', function() {
+      test('Heal', function () {
         this.blocks.B.unplug(true);
         assertUnpluggedHealed(this.blocks);
       });
-      test('Heal with bad checks', function() {
-        var blocks = this.blocks;
+      test('Heal with bad checks', function () {
+        const blocks = this.blocks;
         // A and C can't connect, but both can connect to B.
         blocks.A.nextConnection.setCheck('type1');
         blocks.C.previousConnection.setCheck('type2');
@@ -179,8 +198,8 @@ suite('Blocks', function() {
 
         assertUnpluggedHealFailed(blocks);
       });
-      test('Child is shadow', function() {
-        var blocks = this.blocks;
+      test('Child is shadow', function () {
+        const blocks = this.blocks;
         blocks.C.setShadow(true);
         blocks.B.unplug(true);
         // Even though we're asking to heal, it will appear as if it has not
@@ -189,194 +208,316 @@ suite('Blocks', function() {
       });
     });
   });
-  suite('Dispose', function() {
-    function assertDisposedNoheal(blocks) {
-      chai.assert.isFalse(blocks.A.disposed);
-      // A has nothing connected to it.
-      chai.assert.equal(blocks.A.getChildren().length, 0);
-      // B is disposed.
-      chai.assert.isTrue(blocks.B.disposed);
-      // And C is disposed.
-      chai.assert.isTrue(blocks.C.disposed);
-    }
-    function assertDisposedHealed(blocks) {
-      chai.assert.isFalse(blocks.A.disposed);
-      chai.assert.isFalse(blocks.C.disposed);
-      // A and C are connected.
-      chai.assert.equal(blocks.A.getChildren().length, 1);
-      chai.assert.equal(blocks.C.getParent(), blocks.A);
-      // B is disposed.
-      chai.assert.isTrue(blocks.B.disposed);
-    }
-    function assertDisposedHealFailed(blocks) {
-      chai.assert.isFalse(blocks.A.disposed);
-      chai.assert.isFalse(blocks.C.disposed);
-      // A has nothing connected to it.
-      chai.assert.equal(blocks.A.getChildren().length, 0);
-      // B is disposed.
-      chai.assert.isTrue(blocks.B.disposed);
-      // C is the top of its stack.
-      chai.assert.isNull(blocks.C.getParent());
-    }
 
-    suite('Row', function() {
-      setup(function() {
-        this.blocks = createTestBlocks(this.workspace, true);
+  suite('Disposal', function () {
+    suite('calling destroy', function () {
+      setup(function () {
+        Blockly.Blocks['destroyable_block'] = {
+          init: function () {
+            this.appendStatementInput('STATEMENT');
+            this.setPreviousStatement(true);
+            this.setNextStatement(true);
+          },
+          destroy: function () {},
+        };
+        this.block = this.workspace.newBlock('destroyable_block');
       });
 
-      test('Don\'t heal', function() {
-        this.blocks.B.dispose(false);
-        assertDisposedNoheal(this.blocks);
+      teardown(function () {
+        delete Blockly.Blocks['destroyable_block'];
       });
-      test('Heal', function() {
-        this.blocks.B.dispose(true);
-        // Each block has only one input, and the types work.
-        assertDisposedHealed(this.blocks);
-      });
-      test('Heal with bad checks', function() {
-        var blocks = this.blocks;
 
-        // A and C can't connect, but both can connect to B.
-        blocks.A.inputList[0].connection.setCheck('type1');
-        blocks.C.outputConnection.setCheck('type2');
+      test('destroy is called', function () {
+        const spy = sinon.spy(this.block, 'destroy');
 
-        // Each block has only one input, but the types don't work.
-        blocks.B.dispose(true);
-        assertDisposedHealFailed(blocks);
+        this.block.dispose();
+
+        chai.assert.isTrue(spy.calledOnce, 'Expected destroy to be called.');
       });
-      test('Parent has multiple inputs', function() {
-        var blocks = this.blocks;
-        // Add extra input to parent
-        blocks.A.appendValueInput("INPUT").setCheck(null);
-        blocks.B.dispose(true);
-        assertDisposedHealed(blocks);
+
+      test('disposing is set before destroy', function () {
+        let disposing = null;
+        this.block.destroy = function () {
+          disposing = this.disposing;
+        };
+
+        this.block.dispose();
+
+        chai.assert.isTrue(
+          disposing,
+          'Expected disposing to be set to true before destroy is called.',
+        );
       });
-      test('Middle has multiple inputs', function() {
-        var blocks = this.blocks;
-        // Add extra input to middle block
-        blocks.B.appendValueInput("INPUT").setCheck(null);
-        blocks.B.dispose(true);
-        assertDisposedHealed(blocks);
+
+      test('disposed is not set before destroy', function () {
+        let disposed = null;
+        this.block.destroy = function () {
+          disposed = this.disposed;
+        };
+
+        this.block.dispose();
+
+        chai.assert.isFalse(
+          disposed,
+          'Expected disposed to be false when destroy is called',
+        );
       });
-      test('Child has multiple inputs', function() {
-        var blocks = this.blocks;
-        // Add extra input to child block
-        blocks.C.appendValueInput("INPUT").setCheck(null);
-        // Child block input count doesn't matter.
-        blocks.B.dispose(true);
-        assertDisposedHealed(blocks);
+
+      test('events can be fired from destroy', function () {
+        const mockEvent = createMockEvent(this.workspace);
+        this.block.destroy = function () {
+          Blockly.Events.fire(mockEvent);
+        };
+        const spy = createChangeListenerSpy(this.workspace);
+
+        this.block.dispose();
+        this.clock.runAll();
+
+        chai.assert.isTrue(
+          spy.calledWith(mockEvent),
+          'Expected to be able to fire events from destroy',
+        );
       });
-      test('Child is shadow', function() {
-        var blocks = this.blocks;
-        blocks.C.setShadow(true);
-        blocks.B.dispose(true);
-        // Even though we're asking to heal, it will appear as if it has not
-        // healed because shadows always get destroyed.
-        assertDisposedNoheal(blocks);
+
+      test('child blocks can fire events from destroy', function () {
+        const mockEvent = createMockEvent(this.workspace);
+        const childBlock = this.workspace.newBlock('destroyable_block');
+        this.block
+          .getInput('STATEMENT')
+          .connection.connect(childBlock.previousConnection);
+        childBlock.destroy = function () {
+          Blockly.Events.fire(mockEvent);
+        };
+        const spy = createChangeListenerSpy(this.workspace);
+
+        this.block.dispose();
+        this.clock.runAll();
+
+        chai.assert.isTrue(
+          spy.calledWith(mockEvent),
+          'Expected to be able to fire events from destroy',
+        );
       });
     });
-    suite('Stack', function() {
-      setup(function() {
-        this.blocks = createTestBlocks(this.workspace, false);
-      });
 
-      test('Don\'t heal', function() {
-        this.blocks.B.dispose();
-        assertDisposedNoheal(this.blocks);
-      });
-      test('Heal', function() {
-        this.blocks.B.dispose(true);
-        assertDisposedHealed(this.blocks);
-      });
-      test('Heal with bad checks', function() {
-        var blocks = this.blocks;
-        // A and C can't connect, but both can connect to B.
-        blocks.A.nextConnection.setCheck('type1');
-        blocks.C.previousConnection.setCheck('type2');
+    suite('stack/row healing', function () {
+      function assertDisposedNoheal(blocks) {
+        chai.assert.isFalse(blocks.A.disposed);
+        // A has nothing connected to it.
+        chai.assert.equal(blocks.A.getChildren().length, 0);
+        // B is disposed.
+        chai.assert.isTrue(blocks.B.disposed);
+        // And C is disposed.
+        chai.assert.isTrue(blocks.C.disposed);
+      }
 
-        // The types don't work.
-        blocks.B.dispose(true);
+      function assertDisposedHealed(blocks) {
+        chai.assert.isFalse(blocks.A.disposed);
+        chai.assert.isFalse(blocks.C.disposed);
+        // A and C are connected.
+        chai.assert.equal(blocks.A.getChildren().length, 1);
+        chai.assert.equal(blocks.C.getParent(), blocks.A);
+        // B is disposed.
+        chai.assert.isTrue(blocks.B.disposed);
+      }
+
+      function assertDisposedHealFailed(blocks) {
+        chai.assert.isFalse(blocks.A.disposed);
+        chai.assert.isFalse(blocks.C.disposed);
+        // A has nothing connected to it.
+        chai.assert.equal(blocks.A.getChildren().length, 0);
+        // B is disposed.
+        chai.assert.isTrue(blocks.B.disposed);
+        // C is the top of its stack.
+        chai.assert.isNull(blocks.C.getParent());
+      }
+
+      suite('Row', function () {
+        setup(function () {
+          this.blocks = createTestBlocks(this.workspace, true);
+        });
+
+        test("Don't heal", function () {
+          this.blocks.B.dispose(false);
+          assertDisposedNoheal(this.blocks);
+        });
+
+        test('Heal', function () {
+          this.blocks.B.dispose(true);
+          // Each block has only one input, and the types work.
+          assertDisposedHealed(this.blocks);
+        });
+
+        test('Heal with bad checks', function () {
+          const blocks = this.blocks;
+
+          // A and C can't connect, but both can connect to B.
+          blocks.A.inputList[0].connection.setCheck('type1');
+          blocks.C.outputConnection.setCheck('type2');
+
+          // Each block has only one input, but the types don't work.
+          blocks.B.dispose(true);
+          assertDisposedHealFailed(blocks);
+        });
+
+        test('Parent has multiple inputs', function () {
+          const blocks = this.blocks;
+          // Add extra input to parent
+          blocks.A.appendValueInput('INPUT').setCheck(null);
+          blocks.B.dispose(true);
+          assertDisposedHealed(blocks);
+        });
+
+        test('Middle has multiple inputs', function () {
+          const blocks = this.blocks;
+          // Add extra input to middle block
+          blocks.B.appendValueInput('INPUT').setCheck(null);
+          blocks.B.dispose(true);
+          assertDisposedHealed(blocks);
+        });
+
+        test('Child has multiple inputs', function () {
+          const blocks = this.blocks;
+          // Add extra input to child block
+          blocks.C.appendValueInput('INPUT').setCheck(null);
+          // Child block input count doesn't matter.
+          blocks.B.dispose(true);
+          assertDisposedHealed(blocks);
+        });
+
+        test('Child is shadow', function () {
+          const blocks = this.blocks;
+          blocks.C.dispose();
+          blocks.B.inputList[0].connection.setShadowState({
+            'type': 'row_block',
+            'id': 'c',
+          });
 
-        assertDisposedHealFailed(blocks);
+          blocks.B.dispose(true);
+
+          // Even though we're asking to heal, it will appear as if it has not
+          // healed because shadows always get destroyed.
+          assertDisposedNoheal(blocks);
+        });
       });
-      test('Child is shadow', function() {
-        var blocks = this.blocks;
-        blocks.C.setShadow(true);
-        blocks.B.dispose(true);
-        // Even though we're asking to heal, it will appear as if it has not
-        // healed because shadows always get destroyed.
-        assertDisposedNoheal(blocks);
+
+      suite('Stack', function () {
+        setup(function () {
+          this.blocks = createTestBlocks(this.workspace, false);
+        });
+
+        test("Don't heal", function () {
+          this.blocks.B.dispose();
+          assertDisposedNoheal(this.blocks);
+        });
+
+        test('Heal', function () {
+          this.blocks.B.dispose(true);
+          assertDisposedHealed(this.blocks);
+        });
+
+        test('Heal with bad checks', function () {
+          const blocks = this.blocks;
+          // A and C can't connect, but both can connect to B.
+          blocks.A.nextConnection.setCheck('type1');
+          blocks.C.previousConnection.setCheck('type2');
+
+          // The types don't work.
+          blocks.B.dispose(true);
+
+          assertDisposedHealFailed(blocks);
+        });
+
+        test('Child is shadow', function () {
+          const blocks = this.blocks;
+          blocks.C.dispose();
+          blocks.B.nextConnection.setShadowState({
+            'type': 'stack_block',
+            'id': 'c',
+          });
+
+          blocks.B.dispose(true);
+
+          // Even though we're asking to heal, it will appear as if it has not
+          // healed because shadows always get destroyed.
+          assertDisposedNoheal(blocks);
+        });
       });
     });
   });
-  suite('Remove Input', function() {
-    setup(function() {
+
+  suite('Remove Input', function () {
+    setup(function () {
       Blockly.defineBlocksWithJsonArray([
         {
-          "type": "value_block",
-          "message0": "%1",
-          "args0": [
+          'type': 'value_block',
+          'message0': '%1',
+          'args0': [
             {
-              "type": "input_value",
-              "name": "VALUE"
-            }
-          ]
+              'type': 'input_value',
+              'name': 'VALUE',
+            },
+          ],
         },
       ]);
     });
 
-    suite('Value', function() {
-      setup(function() {
+    suite('Value', function () {
+      setup(function () {
         this.blockA = this.workspace.newBlock('value_block');
       });
 
-      test('No Connected', function() {
+      test('No Connected', function () {
         this.blockA.removeInput('VALUE');
         chai.assert.isNull(this.blockA.getInput('VALUE'));
       });
-      test('Block Connected', function() {
-        var blockB = this.workspace.newBlock('row_block');
-        this.blockA.getInput('VALUE').connection
-            .connect(blockB.outputConnection);
+      test('Block Connected', function () {
+        const blockB = this.workspace.newBlock('row_block');
+        this.blockA
+          .getInput('VALUE')
+          .connection.connect(blockB.outputConnection);
 
         this.blockA.removeInput('VALUE');
         chai.assert.isFalse(blockB.disposed);
         chai.assert.equal(this.blockA.getChildren().length, 0);
       });
-      test('Shadow Connected', function() {
-        var blockB = this.workspace.newBlock('row_block');
+      test('Shadow Connected', function () {
+        const blockB = this.workspace.newBlock('row_block');
         blockB.setShadow(true);
-        this.blockA.getInput('VALUE').connection
-            .connect(blockB.outputConnection);
+        this.blockA
+          .getInput('VALUE')
+          .connection.connect(blockB.outputConnection);
 
         this.blockA.removeInput('VALUE');
         chai.assert.isTrue(blockB.disposed);
         chai.assert.equal(this.blockA.getChildren().length, 0);
       });
     });
-    suite('Statement', function() {
-      setup(function() {
+    suite('Statement', function () {
+      setup(function () {
         this.blockA = this.workspace.newBlock('statement_block');
       });
 
-      test('No Connected', function() {
+      test('No Connected', function () {
         this.blockA.removeInput('STATEMENT');
         chai.assert.isNull(this.blockA.getInput('STATEMENT'));
       });
-      test('Block Connected', function() {
-        var blockB = this.workspace.newBlock('stack_block');
-        this.blockA.getInput('STATEMENT').connection
-            .connect(blockB.previousConnection);
+      test('Block Connected', function () {
+        const blockB = this.workspace.newBlock('stack_block');
+        this.blockA
+          .getInput('STATEMENT')
+          .connection.connect(blockB.previousConnection);
 
         this.blockA.removeInput('STATEMENT');
         chai.assert.isFalse(blockB.disposed);
         chai.assert.equal(this.blockA.getChildren().length, 0);
       });
-      test('Shadow Connected', function() {
-        var blockB = this.workspace.newBlock('stack_block');
+      test('Shadow Connected', function () {
+        const blockB = this.workspace.newBlock('stack_block');
         blockB.setShadow(true);
-        this.blockA.getInput('STATEMENT').connection
-            .connect(blockB.previousConnection);
+        this.blockA
+          .getInput('STATEMENT')
+          .connection.connect(blockB.previousConnection);
 
         this.blockA.removeInput('STATEMENT');
         chai.assert.isTrue(blockB.disposed);
@@ -384,58 +525,59 @@ suite('Blocks', function() {
       });
     });
   });
-  suite('Connection Tracking', function() {
-    setup(function() {
+
+  suite('Connection Tracking', function () {
+    setup(function () {
       this.workspace = Blockly.inject('blocklyDiv');
 
-      this.getInputs = function() {
-        return this.workspace
-            .connectionDBList[Blockly.INPUT_VALUE].connections_;
+      this.getInputs = function () {
+        return this.workspace.connectionDBList[ConnectionType.INPUT_VALUE]
+          .connections;
       };
-      this.getOutputs = function() {
-        return this.workspace
-            .connectionDBList[Blockly.OUTPUT_VALUE].connections_;
+      this.getOutputs = function () {
+        return this.workspace.connectionDBList[ConnectionType.OUTPUT_VALUE]
+          .connections;
       };
-      this.getNext = function() {
-        return this.workspace
-            .connectionDBList[Blockly.NEXT_STATEMENT].connections_;
+      this.getNext = function () {
+        return this.workspace.connectionDBList[ConnectionType.NEXT_STATEMENT]
+          .connections;
       };
-      this.getPrevious = function() {
-        return this.workspace
-            .connectionDBList[Blockly.PREVIOUS_STATEMENT].connections_;
+      this.getPrevious = function () {
+        return this.workspace.connectionDBList[
+          ConnectionType.PREVIOUS_STATEMENT
+        ].connections;
       };
 
-      this.assertConnectionsEmpty = function() {
+      this.assertConnectionsEmpty = function () {
         chai.assert.isEmpty(this.getInputs());
         chai.assert.isEmpty(this.getOutputs());
         chai.assert.isEmpty(this.getNext());
         chai.assert.isEmpty(this.getPrevious());
       };
     });
-    teardown(function() {
+    teardown(function () {
       workspaceTeardown.call(this, this.workspace);
     });
 
-    suite('Deserialization', function() {
-      setup(function() {
-        this.deserializationHelper = function(text) {
-          let dom = Blockly.Xml.textToDom(text);
+    suite('Deserialization', function () {
+      setup(function () {
+        this.deserializationHelper = function (text) {
+          const dom = Blockly.utils.xml.textToDom(text);
           Blockly.Xml.appendDomToWorkspace(dom, this.workspace);
           this.assertConnectionsEmpty();
           this.clock.runAll();
         };
       });
-      test('Stack', function() {
+      test('Stack', function () {
         this.deserializationHelper(
-            '<xml>' +
-            '  <block type="stack_block"/>' +
-            '</xml>');
+          '<xml>' + '  <block type="stack_block"/>' + '</xml>',
+        );
         chai.assert.equal(this.getPrevious().length, 1);
         chai.assert.equal(this.getNext().length, 1);
       });
-      test('Multi-Stack', function() {
+      test('Multi-Stack', function () {
         this.deserializationHelper(
-            '<xml>' +
+          '<xml>' +
             '  <block type="stack_block">' +
             '    <next>' +
             '      <block type="stack_block">' +
@@ -445,23 +587,21 @@ suite('Blocks', function() {
             '      </block>' +
             '    </next>' +
             '  </block>' +
-            '</xml>'
+            '</xml>',
         );
         chai.assert.equal(this.getPrevious().length, 3);
         chai.assert.equal(this.getNext().length, 3);
       });
-      test('Collapsed Stack', function() {
+      test('Collapsed Stack', function () {
         this.deserializationHelper(
-            '<xml>' +
-            '  <block type="stack_block" collapsed="true"/>' +
-            '</xml>'
+          '<xml>' + '  <block type="stack_block" collapsed="true"/>' + '</xml>',
         );
         chai.assert.equal(this.getPrevious().length, 1);
         chai.assert.equal(this.getNext().length, 1);
       });
-      test('Collapsed Multi-Stack', function() {
+      test('Collapsed Multi-Stack', function () {
         this.deserializationHelper(
-            '<xml>' +
+          '<xml>' +
             '  <block type="stack_block" collapsed="true">' +
             '    <next>' +
             '      <block type="stack_block" collapsed="true">' +
@@ -471,23 +611,21 @@ suite('Blocks', function() {
             '      </block>' +
             '    </next>' +
             '  </block>' +
-            '</xml>'
+            '</xml>',
         );
         chai.assert.equal(this.getPrevious().length, 3);
         chai.assert.equal(this.getNext().length, 3);
       });
-      test('Row', function() {
+      test('Row', function () {
         this.deserializationHelper(
-            '<xml>' +
-            '  <block type="row_block"/>' +
-            '</xml>'
+          '<xml>' + '  <block type="row_block"/>' + '</xml>',
         );
         chai.assert.equal(this.getOutputs().length, 1);
         chai.assert.equal(this.getInputs().length, 1);
       });
-      test('Multi-Row', function() {
+      test('Multi-Row', function () {
         this.deserializationHelper(
-            '<xml>' +
+          '<xml>' +
             '  <block type="row_block">' +
             '    <value name="INPUT">' +
             '      <block type="row_block">' +
@@ -497,23 +635,21 @@ suite('Blocks', function() {
             '      </block>' +
             '    </value>' +
             '  </block>' +
-            '</xml>'
+            '</xml>',
         );
         chai.assert.equal(this.getOutputs().length, 3);
         chai.assert.equal(this.getInputs().length, 3);
       });
-      test('Collapsed Row', function() {
+      test('Collapsed Row', function () {
         this.deserializationHelper(
-            '<xml>' +
-            '  <block type="row_block" collapsed="true"/>' +
-            '</xml>'
+          '<xml>' + '  <block type="row_block" collapsed="true"/>' + '</xml>',
         );
         chai.assert.equal(this.getOutputs().length, 1);
         chai.assert.equal(this.getInputs().length, 0);
       });
-      test('Collapsed Multi-Row', function() {
+      test('Collapsed Multi-Row', function () {
         this.deserializationHelper(
-            '<xml>' +
+          '<xml>' +
             '  <block type="row_block" collapsed="true">' +
             '    <value name="INPUT">' +
             '      <block type="row_block">' +
@@ -523,42 +659,43 @@ suite('Blocks', function() {
             '      </block>' +
             '    </value>' +
             '  </block>' +
-            '</xml>'
+            '</xml>',
         );
         chai.assert.equal(this.getOutputs().length, 1);
         chai.assert.equal(this.getInputs().length, 0);
       });
-      test('Collapsed Multi-Row Middle', function() {
-        Blockly.Xml.appendDomToWorkspace(Blockly.Xml.textToDom(
+      test('Collapsed Multi-Row Middle', function () {
+        Blockly.Xml.appendDomToWorkspace(
+          Blockly.utils.xml.textToDom(
             '<xml>' +
-            '  <block type="row_block">' +
-            '    <value name="INPUT">' +
-            '      <block type="row_block" collapsed="true">' +
-            '        <value name="INPUT">' +
-            '          <block type="row_block"/>' +
-            '        </value>' +
-            '      </block>' +
-            '    </value>' +
-            '  </block>' +
-            '</xml>'
-        ), this.workspace);
+              '  <block type="row_block">' +
+              '    <value name="INPUT">' +
+              '      <block type="row_block" collapsed="true">' +
+              '        <value name="INPUT">' +
+              '          <block type="row_block"/>' +
+              '        </value>' +
+              '      </block>' +
+              '    </value>' +
+              '  </block>' +
+              '</xml>',
+          ),
+          this.workspace,
+        );
         this.assertConnectionsEmpty();
         this.clock.runAll();
         chai.assert.equal(this.getOutputs().length, 2);
         chai.assert.equal(this.getInputs().length, 1);
       });
-      test('Statement', function() {
+      test('Statement', function () {
         this.deserializationHelper(
-            '<xml>' +
-            '  <block type="statement_block"/>' +
-            '</xml>'
+          '<xml>' + '  <block type="statement_block"/>' + '</xml>',
         );
         chai.assert.equal(this.getPrevious().length, 1);
         chai.assert.equal(this.getNext().length, 2);
       });
-      test('Multi-Statement', function() {
+      test('Multi-Statement', function () {
         this.deserializationHelper(
-            '<xml>' +
+          '<xml>' +
             '  <block type="statement_block">' +
             '    <statement name="STATEMENT">' +
             '      <block type="statement_block">' +
@@ -568,23 +705,23 @@ suite('Blocks', function() {
             '      </block>' +
             '    </statement>' +
             '  </block>' +
-            '</xml>'
+            '</xml>',
         );
         chai.assert.equal(this.getPrevious().length, 3);
         chai.assert.equal(this.getNext().length, 6);
       });
-      test('Collapsed Statement', function() {
+      test('Collapsed Statement', function () {
         this.deserializationHelper(
-            '<xml>' +
+          '<xml>' +
             '  <block type="statement_block" collapsed="true"/>' +
-            '</xml>'
+            '</xml>',
         );
         chai.assert.equal(this.getPrevious().length, 1);
         chai.assert.equal(this.getNext().length, 1);
       });
-      test('Collapsed Multi-Statement', function() {
+      test('Collapsed Multi-Statement', function () {
         this.deserializationHelper(
-            '<xml>' +
+          '<xml>' +
             '  <block type="statement_block" collapsed="true">' +
             '    <statement name="STATEMENT">' +
             '      <block type="statement_block">' +
@@ -594,14 +731,14 @@ suite('Blocks', function() {
             '      </block>' +
             '    </statement>' +
             '  </block>' +
-            '</xml>'
+            '</xml>',
         );
         chai.assert.equal(this.getPrevious().length, 1);
         chai.assert.equal(this.getNext().length, 1);
       });
-      test('Collapsed Multi-Statement Middle', function() {
+      test('Collapsed Multi-Statement Middle', function () {
         this.deserializationHelper(
-            '<xml>' +
+          '<xml>' +
             '  <block type="statement_block">' +
             '    <statement name="STATEMENT">' +
             '      <block type="statement_block" collapsed="true">' +
@@ -611,15 +748,15 @@ suite('Blocks', function() {
             '      </block>' +
             '    </statement>' +
             '  </block>' +
-            '</xml>'
+            '</xml>',
         );
         chai.assert.equal(this.getPrevious().length, 2);
         chai.assert.equal(this.getNext().length, 3);
       });
     });
-    suite('Programmatic Block Creation', function() {
-      test('Stack', function() {
-        var block = this.workspace.newBlock('stack_block');
+    suite('Programmatic Block Creation', function () {
+      test('Stack', function () {
+        const block = this.workspace.newBlock('stack_block');
         this.assertConnectionsEmpty();
         block.initSvg();
         block.render();
@@ -627,8 +764,8 @@ suite('Blocks', function() {
         chai.assert.equal(this.getPrevious().length, 1);
         chai.assert.equal(this.getNext().length, 1);
       });
-      test('Row', function() {
-        var block = this.workspace.newBlock('row_block');
+      test('Row', function () {
+        const block = this.workspace.newBlock('row_block');
         this.assertConnectionsEmpty();
         block.initSvg();
         block.render();
@@ -636,8 +773,8 @@ suite('Blocks', function() {
         chai.assert.equal(this.getOutputs().length, 1);
         chai.assert.equal(this.getInputs().length, 1);
       });
-      test('Statement', function() {
-        var block = this.workspace.newBlock('statement_block');
+      test('Statement', function () {
+        const block = this.workspace.newBlock('statement_block');
         this.assertConnectionsEmpty();
         block.initSvg();
         block.render();
@@ -646,11 +783,12 @@ suite('Blocks', function() {
         chai.assert.equal(this.getNext().length, 2);
       });
     });
-    suite('setCollapsed', function() {
-      test('Stack', function() {
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-            '<block type="stack_block"/>'
-        ), this.workspace);
+    suite('setCollapsed', function () {
+      test('Stack', function () {
+        const block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom('<block type="stack_block"/>'),
+          this.workspace,
+        );
         this.clock.runAll();
         chai.assert.equal(this.getPrevious().length, 1);
         chai.assert.equal(this.getNext().length, 1);
@@ -663,18 +801,21 @@ suite('Blocks', function() {
         chai.assert.equal(this.getPrevious().length, 1);
         chai.assert.equal(this.getNext().length, 1);
       });
-      test('Multi-Stack', function() {
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+      test('Multi-Stack', function () {
+        const block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(
             '<block type="stack_block">' +
-            '  <next>' +
-            '    <block type="stack_block">' +
-            '      <next>' +
-            '        <block type="stack_block"/>' +
-            '      </next>' +
-            '    </block>' +
-            '  </next>' +
-            '</block>'
-        ), this.workspace);
+              '  <next>' +
+              '    <block type="stack_block">' +
+              '      <next>' +
+              '        <block type="stack_block"/>' +
+              '      </next>' +
+              '    </block>' +
+              '  </next>' +
+              '</block>',
+          ),
+          this.workspace,
+        );
         this.assertConnectionsEmpty();
         this.clock.runAll();
         chai.assert.equal(this.getPrevious().length, 3);
@@ -688,10 +829,11 @@ suite('Blocks', function() {
         chai.assert.equal(this.getPrevious().length, 3);
         chai.assert.equal(this.getNext().length, 3);
       });
-      test('Row', function() {
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-            '<block type="row_block"/>'
-        ), this.workspace);
+      test('Row', function () {
+        const block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom('<block type="row_block"/>'),
+          this.workspace,
+        );
         this.clock.runAll();
         chai.assert.equal(this.getOutputs().length, 1);
         chai.assert.equal(this.getInputs().length, 1);
@@ -704,18 +846,21 @@ suite('Blocks', function() {
         chai.assert.equal(this.getOutputs().length, 1);
         chai.assert.equal(this.getInputs().length, 1);
       });
-      test('Multi-Row', function() {
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+      test('Multi-Row', function () {
+        const block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(
             '<block type="row_block">' +
-            '  <value name="INPUT">' +
-            '    <block type="row_block">' +
-            '      <value name="INPUT">' +
-            '        <block type="row_block"/>' +
-            '      </value>' +
-            '    </block>' +
-            '  </value>' +
-            '</block>'
-        ), this.workspace);
+              '  <value name="INPUT">' +
+              '    <block type="row_block">' +
+              '      <value name="INPUT">' +
+              '        <block type="row_block"/>' +
+              '      </value>' +
+              '    </block>' +
+              '  </value>' +
+              '</block>',
+          ),
+          this.workspace,
+        );
         this.clock.runAll();
         chai.assert.equal(this.getOutputs().length, 3);
         chai.assert.equal(this.getInputs().length, 3);
@@ -728,18 +873,21 @@ suite('Blocks', function() {
         chai.assert.equal(this.getOutputs().length, 3);
         chai.assert.equal(this.getInputs().length, 3);
       });
-      test('Multi-Row Middle', function() {
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+      test('Multi-Row Middle', function () {
+        let block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(
             '<block type="row_block">' +
-            '  <value name="INPUT">' +
-            '    <block type="row_block">' +
-            '      <value name="INPUT">' +
-            '        <block type="row_block"/>' +
-            '      </value>' +
-            '    </block>' +
-            '  </value>' +
-            '</block>'
-        ), this.workspace);
+              '  <value name="INPUT">' +
+              '    <block type="row_block">' +
+              '      <value name="INPUT">' +
+              '        <block type="row_block"/>' +
+              '      </value>' +
+              '    </block>' +
+              '  </value>' +
+              '</block>',
+          ),
+          this.workspace,
+        );
         this.clock.runAll();
         chai.assert.equal(this.getOutputs().length, 3);
         chai.assert.equal(this.getInputs().length, 3);
@@ -753,25 +901,28 @@ suite('Blocks', function() {
         chai.assert.equal(this.getOutputs().length, 3);
         chai.assert.equal(this.getInputs().length, 3);
       });
-      test('Multi-Row Double Collapse', function() {
+      test('Multi-Row Double Collapse', function () {
         // Collapse middle -> Collapse top ->
         // Uncollapse top -> Uncollapse middle
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+        const block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(
             '<block type="row_block">' +
-            '  <value name="INPUT">' +
-            '    <block type="row_block">' +
-            '      <value name="INPUT">' +
-            '        <block type="row_block"/>' +
-            '      </value>' +
-            '    </block>' +
-            '  </value>' +
-            '</block>'
-        ), this.workspace);
+              '  <value name="INPUT">' +
+              '    <block type="row_block">' +
+              '      <value name="INPUT">' +
+              '        <block type="row_block"/>' +
+              '      </value>' +
+              '    </block>' +
+              '  </value>' +
+              '</block>',
+          ),
+          this.workspace,
+        );
         this.clock.runAll();
         chai.assert.equal(this.getOutputs().length, 3);
         chai.assert.equal(this.getInputs().length, 3);
 
-        var middleBlock = block.getInputTargetBlock('INPUT');
+        const middleBlock = block.getInputTargetBlock('INPUT');
         middleBlock.setCollapsed(true);
         chai.assert.equal(this.getOutputs().length, 2);
         chai.assert.equal(this.getInputs().length, 1);
@@ -788,10 +939,11 @@ suite('Blocks', function() {
         chai.assert.equal(this.getOutputs().length, 3);
         chai.assert.equal(this.getInputs().length, 3);
       });
-      test('Statement', function() {
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-            '<block type="statement_block"/>'
-        ), this.workspace);
+      test('Statement', function () {
+        const block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom('<block type="statement_block"/>'),
+          this.workspace,
+        );
         this.clock.runAll();
         chai.assert.equal(this.getPrevious().length, 1);
         chai.assert.equal(this.getNext().length, 2);
@@ -804,18 +956,21 @@ suite('Blocks', function() {
         chai.assert.equal(this.getPrevious().length, 1);
         chai.assert.equal(this.getNext().length, 2);
       });
-      test('Multi-Statement', function() {
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+      test('Multi-Statement', function () {
+        const block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(
             '<block type="statement_block">' +
-            '  <statement name="STATEMENT">' +
-            '    <block type="statement_block">' +
-            '      <statement name="STATEMENT">' +
-            '        <block type="statement_block"/>' +
-            '      </statement>' +
-            '    </block>' +
-            '  </statement>' +
-            '</block>'
-        ), this.workspace);
+              '  <statement name="STATEMENT">' +
+              '    <block type="statement_block">' +
+              '      <statement name="STATEMENT">' +
+              '        <block type="statement_block"/>' +
+              '      </statement>' +
+              '    </block>' +
+              '  </statement>' +
+              '</block>',
+          ),
+          this.workspace,
+        );
         this.assertConnectionsEmpty();
         this.clock.runAll();
         chai.assert.equal(this.getPrevious().length, 3);
@@ -829,18 +984,21 @@ suite('Blocks', function() {
         chai.assert.equal(this.getPrevious().length, 3);
         chai.assert.equal(this.getNext().length, 6);
       });
-      test('Multi-Statement Middle', function() {
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+      test('Multi-Statement Middle', function () {
+        let block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(
             '<block type="statement_block">' +
-            '  <statement name="STATEMENT">' +
-            '    <block type="statement_block">' +
-            '      <statement name="STATEMENT">' +
-            '        <block type="statement_block"/>' +
-            '      </statement>' +
-            '    </block>' +
-            '  </statement>' +
-            '</block>'
-        ), this.workspace);
+              '  <statement name="STATEMENT">' +
+              '    <block type="statement_block">' +
+              '      <statement name="STATEMENT">' +
+              '        <block type="statement_block"/>' +
+              '      </statement>' +
+              '    </block>' +
+              '  </statement>' +
+              '</block>',
+          ),
+          this.workspace,
+        );
         this.assertConnectionsEmpty();
         this.clock.runAll();
         chai.assert.equal(this.getPrevious().length, 3);
@@ -855,24 +1013,27 @@ suite('Blocks', function() {
         chai.assert.equal(this.getPrevious().length, 3);
         chai.assert.equal(this.getNext().length, 6);
       });
-      test('Multi-Statement Double Collapse', function() {
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+      test('Multi-Statement Double Collapse', function () {
+        const block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(
             '<block type="statement_block">' +
-            '  <statement name="STATEMENT">' +
-            '    <block type="statement_block">' +
-            '      <statement name="STATEMENT">' +
-            '        <block type="statement_block"/>' +
-            '      </statement>' +
-            '    </block>' +
-            '  </statement>' +
-            '</block>'
-        ), this.workspace);
+              '  <statement name="STATEMENT">' +
+              '    <block type="statement_block">' +
+              '      <statement name="STATEMENT">' +
+              '        <block type="statement_block"/>' +
+              '      </statement>' +
+              '    </block>' +
+              '  </statement>' +
+              '</block>',
+          ),
+          this.workspace,
+        );
         this.assertConnectionsEmpty();
         this.clock.runAll();
         chai.assert.equal(this.getPrevious().length, 3);
         chai.assert.equal(this.getNext().length, 6);
 
-        var middleBlock = block.getInputTargetBlock('STATEMENT');
+        const middleBlock = block.getInputTargetBlock('STATEMENT');
         middleBlock.setCollapsed(true);
         chai.assert.equal(this.getPrevious().length, 2);
         chai.assert.equal(this.getNext().length, 3);
@@ -890,41 +1051,148 @@ suite('Blocks', function() {
         chai.assert.equal(this.getNext().length, 6);
       });
     });
-    suite('Remove Connections Programmatically', function() {
-      test('Output', function() {
-        var block = createRenderedBlock(this.workspace, 'row_block');
+    suite('Setting Parent Block', function () {
+      setup(function () {
+        this.printBlock = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(
+            '<block type="text_print">' +
+              '  <value name="TEXT">' +
+              '    <block type="text_join">' +
+              '      <mutation items="2"></mutation>' +
+              '      <value name="ADD0">' +
+              '        <block type="text">' +
+              '        </block>' +
+              '      </value>' +
+              '    </block>' +
+              '  </value>' +
+              '</block>',
+          ),
+          this.workspace,
+        );
+        this.textJoinBlock = this.printBlock.getInputTargetBlock('TEXT');
+        this.textBlock = this.textJoinBlock.getInputTargetBlock('ADD0');
+      });
+
+      function assertBlockIsOnlyChild(parent, child, inputName) {
+        chai.assert.equal(parent.getChildren().length, 1);
+        chai.assert.equal(parent.getInputTargetBlock(inputName), child);
+        chai.assert.equal(child.getParent(), parent);
+      }
+      function assertNonParentAndOrphan(nonParent, orphan, inputName) {
+        chai.assert.equal(nonParent.getChildren().length, 0);
+        chai.assert.isNull(nonParent.getInputTargetBlock('TEXT'));
+        chai.assert.isNull(orphan.getParent());
+      }
+      function assertOriginalSetup() {
+        assertBlockIsOnlyChild(this.printBlock, this.textJoinBlock, 'TEXT');
+        assertBlockIsOnlyChild(this.textJoinBlock, this.textBlock, 'ADD0');
+      }
+
+      test('Setting to connected parent', function () {
+        chai.assert.doesNotThrow(
+          this.textJoinBlock.setParent.bind(
+            this.textJoinBlock,
+            this.printBlock,
+          ),
+        );
+        assertOriginalSetup.call(this);
+      });
+      test('Setting to new parent after connecting to it', function () {
+        this.textJoinBlock.outputConnection.disconnect();
+        this.textBlock.outputConnection.connect(
+          this.printBlock.getInput('TEXT').connection,
+        );
+        chai.assert.doesNotThrow(
+          this.textBlock.setParent.bind(this.textBlock, this.printBlock),
+        );
+        assertBlockIsOnlyChild(this.printBlock, this.textBlock, 'TEXT');
+      });
+      test('Setting to new parent while connected to other block', function () {
+        // Setting to grandparent with no available input connection.
+        chai.assert.throws(
+          this.textBlock.setParent.bind(this.textBlock, this.printBlock),
+        );
+        this.textJoinBlock.outputConnection.disconnect();
+        // Setting to block with available input connection.
+        chai.assert.throws(
+          this.textBlock.setParent.bind(this.textBlock, this.printBlock),
+        );
+        assertNonParentAndOrphan(this.printBlock, this.textJoinBlock, 'TEXT');
+        assertBlockIsOnlyChild(this.textJoinBlock, this.textBlock, 'ADD0');
+      });
+      test('Setting to same parent after disconnecting from it', function () {
+        this.textJoinBlock.outputConnection.disconnect();
+        chai.assert.throws(
+          this.textJoinBlock.setParent.bind(
+            this.textJoinBlock,
+            this.printBlock,
+          ),
+        );
+        assertNonParentAndOrphan(this.printBlock, this.textJoinBlock, 'TEXT');
+      });
+      test('Setting to new parent when orphan', function () {
+        this.textBlock.outputConnection.disconnect();
+        // When new parent has no available input connection.
+        chai.assert.throws(
+          this.textBlock.setParent.bind(this.textBlock, this.printBlock),
+        );
+        this.textJoinBlock.outputConnection.disconnect();
+        // When new parent has available input connection.
+        chai.assert.throws(
+          this.textBlock.setParent.bind(this.textBlock, this.printBlock),
+        );
+
+        assertNonParentAndOrphan(this.printBlock, this.textJoinBlock, 'TEXT');
+        assertNonParentAndOrphan(this.printBlock, this.textBlock, 'TEXT');
+        assertNonParentAndOrphan(this.textJoinBlock, this.textBlock, 'ADD0');
+      });
+      test('Setting parent to null after disconnecting', function () {
+        this.textBlock.outputConnection.disconnect();
+        chai.assert.doesNotThrow(
+          this.textBlock.setParent.bind(this.textBlock, null),
+        );
+        assertNonParentAndOrphan(this.textJoinBlock, this.textBlock, 'ADD0');
+      });
+      test('Setting parent to null without disconnecting', function () {
+        chai.assert.throws(this.textBlock.setParent.bind(this.textBlock, null));
+        assertOriginalSetup.call(this);
+      });
+    });
+    suite('Remove Connections Programmatically', function () {
+      test('Output', function () {
+        const block = createRenderedBlock(this.workspace, 'row_block');
 
         block.setOutput(false);
 
         chai.assert.equal(this.getOutputs().length, 0);
         chai.assert.equal(this.getInputs().length, 1);
       });
-      test('Value', function() {
-        var block = createRenderedBlock(this.workspace, 'row_block');
+      test('Value', function () {
+        const block = createRenderedBlock(this.workspace, 'row_block');
 
         block.removeInput('INPUT');
 
         chai.assert.equal(this.getOutputs().length, 1);
         chai.assert.equal(this.getInputs().length, 0);
       });
-      test('Previous', function() {
-        var block = createRenderedBlock(this.workspace, 'stack_block');
+      test('Previous', function () {
+        const block = createRenderedBlock(this.workspace, 'stack_block');
 
         block.setPreviousStatement(false);
 
         chai.assert.equal(this.getPrevious().length, 0);
         chai.assert.equal(this.getNext().length, 1);
       });
-      test('Next', function() {
-        var block = createRenderedBlock(this.workspace, 'stack_block');
+      test('Next', function () {
+        const block = createRenderedBlock(this.workspace, 'stack_block');
 
         block.setNextStatement(false);
 
         chai.assert.equal(this.getPrevious().length, 1);
         chai.assert.equal(this.getNext().length, 0);
       });
-      test('Statement', function() {
-        var block = createRenderedBlock(this.workspace, 'statement_block');
+      test('Statement', function () {
+        const block = createRenderedBlock(this.workspace, 'statement_block');
 
         block.removeInput('STATEMENT');
 
@@ -932,98 +1200,109 @@ suite('Blocks', function() {
         chai.assert.equal(this.getNext().length, 1);
       });
     });
-    suite('Add Connections Programmatically', function() {
-      test('Output', function() {
-        var block = createRenderedBlock(this.workspace, 'empty_block');
-        // this.workspace.newBlock('empty_block');
-        // block.initSvg();
-        // block.render();
+    suite('Add Connections Programmatically', function () {
+      test('Output', async function () {
+        const block = createRenderedBlock(this.workspace, 'empty_block');
 
         block.setOutput(true);
+        this.clock.runAll();
 
+        this.clock.runAll();
         chai.assert.equal(this.getOutputs().length, 1);
       });
-      test('Value', function() {
-        var block = this.workspace.newBlock('empty_block');
-        block.initSvg();
-        block.render();
+      test('Value', function () {
+        const block = createRenderedBlock(this.workspace, 'empty_block');
 
         block.appendValueInput('INPUT');
 
+        this.clock.runAll();
         chai.assert.equal(this.getInputs().length, 1);
       });
-      test('Previous', function() {
-        var block = this.workspace.newBlock('empty_block');
-        block.initSvg();
-        block.render();
+      test('Previous', function () {
+        const block = createRenderedBlock(this.workspace, 'empty_block');
 
         block.setPreviousStatement(true);
+        this.clock.runAll();
 
+        this.clock.runAll();
         chai.assert.equal(this.getPrevious().length, 1);
       });
-      test('Next', function() {
-        var block = this.workspace.newBlock('empty_block');
-        block.initSvg();
-        block.render();
+      test('Next', function () {
+        const block = createRenderedBlock(this.workspace, 'empty_block');
 
         block.setNextStatement(true);
+        this.clock.runAll();
 
+        this.clock.runAll();
         chai.assert.equal(this.getNext().length, 1);
       });
-      test('Statement', function() {
-        var block = this.workspace.newBlock('empty_block');
-        block.initSvg();
-        block.render();
+      test('Statement', function () {
+        const block = createRenderedBlock(this.workspace, 'empty_block');
 
         block.appendStatementInput('STATEMENT');
 
+        this.clock.runAll();
         chai.assert.equal(this.getNext().length, 1);
       });
     });
   });
-  suite('Comments', function() {
-    suite('Set/Get Text', function() {
+
+  suite('Comments', function () {
+    suite('Set/Get Text', function () {
       function assertCommentEvent(eventSpy, oldValue, newValue) {
-        var calls = eventSpy.getCalls();
-        var event = calls[calls.length - 1].args[0];
-        chai.assert.equal(event.type, Blockly.Events.BLOCK_CHANGE);
-        chai.assert.equal(event.element, 'comment');
-        chai.assert.equal(event.oldValue, oldValue);
-        chai.assert.equal(event.newValue, newValue);
+        const calls = eventSpy.getCalls();
+        const event = calls[calls.length - 1].args[0];
+        chai.assert.equal(event.type, eventUtils.BLOCK_CHANGE);
+        chai.assert.equal(
+          event.element,
+          'comment',
+          'Expected the element to be a comment',
+        );
+        chai.assert.equal(
+          event.oldValue,
+          oldValue,
+          'Expected the old values to match',
+        );
+        chai.assert.equal(
+          event.newValue,
+          newValue,
+          'Expected the new values to match',
+        );
       }
       function assertNoCommentEvent(eventSpy) {
-        var calls = eventSpy.getCalls();
-        var event = calls[calls.length - 1].args[0];
-        chai.assert.notEqual(event.type, Blockly.Events.BLOCK_CHANGE);
+        const calls = eventSpy.getCalls();
+        const event = calls[calls.length - 1].args[0];
+        chai.assert.notEqual(event.type, eventUtils.BLOCK_CHANGE);
       }
-      setup(function() {
-        this.eventsFireSpy = sinon.spy(Blockly.Events, 'fire');
+      setup(function () {
+        this.eventsFireSpy = sinon.spy(eventUtils.TEST_ONLY, 'fireInternal');
       });
-      teardown(function() {
+      teardown(function () {
         this.eventsFireSpy.restore();
       });
-      suite('Headless', function() {
-        setup(function() {
-          this.block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-              '<block type="empty_block"/>'
-          ), this.workspace);
+      suite('Headless', function () {
+        setup(function () {
+          this.block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom('<block type="empty_block"/>'),
+            this.workspace,
+          );
         });
-        test('Text', function() {
+        test('Text', function () {
           this.block.setCommentText('test text');
           chai.assert.equal(this.block.getCommentText(), 'test text');
           assertCommentEvent(this.eventsFireSpy, null, 'test text');
         });
-        test('Text Empty', function() {
+        test('Text Empty', function () {
           this.block.setCommentText('');
           chai.assert.equal(this.block.getCommentText(), '');
           assertCommentEvent(this.eventsFireSpy, null, '');
         });
-        test('Text Null', function() {
+        test('Text Null', function () {
           this.block.setCommentText(null);
           chai.assert.isNull(this.block.getCommentText());
           assertNoCommentEvent(this.eventsFireSpy);
         });
-        test('Text -> Null', function() {
+        test('Text -> Null', function () {
           this.block.setCommentText('first text');
 
           this.block.setCommentText(null);
@@ -1031,149 +1310,591 @@ suite('Blocks', function() {
           assertCommentEvent(this.eventsFireSpy, 'first text', null);
         });
       });
-      suite('Rendered', function() {
-        setup(function() {
+      suite('Rendered', function () {
+        setup(function () {
           this.workspace = Blockly.inject('blocklyDiv', {
             comments: true,
-            scrollbars: true
+            scrollbars: true,
           });
-          this.block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-              '<block type="empty_block"/>'
-          ), this.workspace);
+          this.block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom('<block type="empty_block"/>'),
+            this.workspace,
+          );
         });
-        teardown(function() {
+        teardown(function () {
           workspaceTeardown.call(this, this.workspace);
         });
-        test('Text', function() {
+        test('Text', function () {
           this.block.setCommentText('test text');
           chai.assert.equal(this.block.getCommentText(), 'test text');
           assertCommentEvent(this.eventsFireSpy, null, 'test text');
         });
-        test('Text Empty', function() {
+        test('Text Empty', function () {
           this.block.setCommentText('');
           chai.assert.equal(this.block.getCommentText(), '');
           assertCommentEvent(this.eventsFireSpy, null, '');
         });
-        test('Text Null', function() {
+        test('Text Null', function () {
           this.block.setCommentText(null);
           chai.assert.isNull(this.block.getCommentText());
           assertNoCommentEvent(this.eventsFireSpy);
         });
-        test('Text -> Null', function() {
+        test('Text -> Null', function () {
           this.block.setCommentText('first text');
 
           this.block.setCommentText(null);
           chai.assert.isNull(this.block.getCommentText());
           assertCommentEvent(this.eventsFireSpy, 'first text', null);
         });
-        test('Set While Visible - Editable', function() {
+        test('Set While Visible - Editable', function () {
           this.block.setCommentText('test1');
-          var icon = this.block.getCommentIcon();
-          icon.setVisible(true);
+          const icon = this.block.getIcon(Blockly.icons.CommentIcon.TYPE);
+          icon.setBubbleVisible(true);
 
           this.block.setCommentText('test2');
           chai.assert.equal(this.block.getCommentText(), 'test2');
           assertCommentEvent(this.eventsFireSpy, 'test1', 'test2');
-          chai.assert.equal(icon.textarea_.value, 'test2');
         });
-        test('Set While Visible - NonEditable', function() {
+        test('Set While Visible - NonEditable', function () {
           this.block.setCommentText('test1');
           // Restored up by call to sinon.restore() in sharedTestTeardown()
           sinon.stub(this.block, 'isEditable').returns(false);
-          var icon = this.block.getCommentIcon();
-          icon.setVisible(true);
+          const icon = this.block.getIcon(Blockly.icons.CommentIcon.TYPE);
+          icon.setBubbleVisible(true);
 
           this.block.setCommentText('test2');
           chai.assert.equal(this.block.getCommentText(), 'test2');
           assertCommentEvent(this.eventsFireSpy, 'test1', 'test2');
-          chai.assert.equal(icon.paragraphElement_.firstChild.textContent,
-              'test2');
         });
-        test('Get Text While Editing', function() {
-          this.block.setCommentText('test1');
-          var icon = this.block.getCommentIcon();
-          icon.setVisible(true);
-          icon.textarea_.value = 'test2';
-          icon.textarea_.dispatchEvent(new Event('input'));
+      });
+    });
 
-          chai.assert.equal(this.block.getCommentText(), 'test2');
-        });
+    suite('Constructing registered comment classes', function () {
+      class MockComment extends MockIcon {
+        getType() {
+          return Blockly.icons.IconType.COMMENT;
+        }
+
+        setText() {}
+
+        getText() {
+          return '';
+        }
+
+        setBubbleSize() {}
+
+        getBubbleSize() {
+          return Blockly.utils.Size(0, 0);
+        }
+
+        bubbleIsVisible() {
+          return true;
+        }
+
+        setBubbleVisible() {}
+
+        saveState() {
+          return {};
+        }
+
+        loadState() {}
+      }
+
+      setup(function () {
+        this.workspace = Blockly.inject('blocklyDiv', {});
+
+        this.block = this.workspace.newBlock('stack_block');
+        this.block.initSvg();
+        this.block.render();
+      });
+
+      teardown(function () {
+        workspaceTeardown.call(this, this.workspace);
+
+        Blockly.icons.registry.unregister(
+          Blockly.icons.IconType.COMMENT.toString(),
+        );
+        Blockly.icons.registry.register(
+          Blockly.icons.IconType.COMMENT,
+          Blockly.icons.CommentIcon,
+        );
+      });
+
+      test('setCommentText constructs the registered comment icon', function () {
+        Blockly.icons.registry.unregister(
+          Blockly.icons.IconType.COMMENT.toString(),
+        );
+        Blockly.icons.registry.register(
+          Blockly.icons.IconType.COMMENT,
+          MockComment,
+        );
+
+        this.block.setCommentText('test text');
+
+        chai.assert.instanceOf(
+          this.block.getIcon(Blockly.icons.IconType.COMMENT),
+          MockComment,
+        );
+      });
+
+      test('setCommentText throws if no icon is registered', function () {
+        Blockly.icons.registry.unregister(
+          Blockly.icons.IconType.COMMENT.toString(),
+        );
+
+        chai.assert.throws(() => {
+          this.block.setCommentText('test text');
+        }, 'No comment icon class is registered, so a comment cannot be set');
+      });
+
+      test('setCommentText throws if the icon is not an ICommentIcon', function () {
+        Blockly.icons.registry.unregister(
+          Blockly.icons.IconType.COMMENT.toString(),
+        );
+        Blockly.icons.registry.register(
+          Blockly.icons.IconType.COMMENT,
+          MockIcon,
+        );
+
+        chai.assert.throws(() => {
+          this.block.setCommentText('test text');
+        }, 'The class registered as a comment icon does not conform to the ICommentIcon interface');
       });
     });
   });
-  suite('Icon Management', function() {
-    suite('Bubbles and Collapsing', function() {
-      setup(function() {
+
+  suite('Getting/Setting Field (Values)', function () {
+    setup(function () {
+      this.workspace = Blockly.inject('blocklyDiv');
+      this.block = Blockly.Xml.domToBlock(
+        Blockly.utils.xml.textToDom(
+          '<block type="text"><field name = "TEXT">test</field></block>',
+        ),
+        this.workspace,
+      );
+    });
+
+    teardown(function () {
+      workspaceTeardown.call(this, this.workspace);
+    });
+
+    test('Getting Field', function () {
+      chai.assert.instanceOf(this.block.getField('TEXT'), Blockly.Field);
+    });
+    test('Getting Field without Name', function () {
+      chai.assert.throws(this.block.getField.bind(this.block), TypeError);
+    });
+    test('Getting Value of Field without Name', function () {
+      chai.assert.throws(this.block.getFieldValue.bind(this.block), TypeError);
+    });
+    test('Getting Field with Wrong Type', function () {
+      const testFunction = function () {
+        return 'TEXT';
+      };
+      const inputs = [
+        1,
+        null,
+        testFunction,
+        {toString: testFunction},
+        ['TEXT'],
+      ];
+      for (let i = 0; i < inputs.length; i++) {
+        chai.assert.throws(
+          this.block.getField.bind(this.block, inputs[i]),
+          TypeError,
+        );
+      }
+    });
+    test('Getting Value of Field with Wrong Type', function () {
+      const testFunction = function () {
+        return 'TEXT';
+      };
+      const inputs = [
+        1,
+        null,
+        testFunction,
+        {toString: testFunction},
+        ['TEXT'],
+      ];
+      for (let i = 0; i < inputs.length; i++) {
+        chai.assert.throws(
+          this.block.getFieldValue.bind(this.block, inputs[i]),
+          TypeError,
+        );
+      }
+    });
+    test('Getting/Setting Field Value', function () {
+      chai.assert.equal(this.block.getFieldValue('TEXT'), 'test');
+      this.block.setFieldValue('abc', 'TEXT');
+      chai.assert.equal(this.block.getFieldValue('TEXT'), 'abc');
+    });
+    test('Setting Field without Name', function () {
+      chai.assert.throws(this.block.setFieldValue.bind(this.block, 'test'));
+    });
+    test('Setting Field with Wrong Type', function () {
+      const testFunction = function () {
+        return 'TEXT';
+      };
+      const inputs = [
+        1,
+        null,
+        testFunction,
+        {toString: testFunction},
+        ['TEXT'],
+      ];
+      for (let i = 0; i < inputs.length; i++) {
+        chai.assert.throws(
+          this.block.setFieldValue.bind(this.block, 'test', inputs[i]),
+          TypeError,
+        );
+      }
+    });
+  });
+
+  suite('Icon management', function () {
+    class MockIconA extends MockIcon {
+      getType() {
+        return new Blockly.icons.IconType('A');
+      }
+
+      getWeight() {
+        return 1;
+      }
+    }
+
+    class MockIconB extends MockIcon {
+      getType() {
+        return new Blockly.icons.IconType('B');
+      }
+
+      getWeight() {
+        return 2;
+      }
+    }
+
+    suite('Adding icons', function () {
+      setup(function () {
+        this.workspace = Blockly.inject('blocklyDiv', {});
+
+        this.block = this.workspace.newBlock('stack_block');
+        this.block.initSvg();
+        this.block.render();
+        this.renderSpy = sinon.spy(this.block, 'queueRender');
+      });
+
+      teardown(function () {
+        this.renderSpy.restore();
         workspaceTeardown.call(this, this.workspace);
+      });
+
+      test('icons get added to the block', function () {
+        this.block.addIcon(new MockIconA());
+        chai.assert.isTrue(
+          this.block.hasIcon('A'),
+          'Expected the icon to be added',
+        );
+      });
+
+      test('adding two icons of the same type throws', function () {
+        this.block.addIcon(new MockIconA());
+        chai.assert.throws(
+          () => {
+            this.block.addIcon(new MockIconA());
+          },
+          Blockly.icons.DuplicateIconType,
+          '',
+          'Expected adding an icon of the same type to throw',
+        );
+      });
+
+      test('adding an icon triggers a render', function () {
+        this.renderSpy.resetHistory();
+        this.block.addIcon(new MockIconA());
+        chai.assert.isTrue(
+          this.renderSpy.calledOnce,
+          'Expected adding an icon to trigger a render',
+        );
+      });
+    });
+
+    suite('Removing icons', function () {
+      setup(function () {
         this.workspace = Blockly.inject('blocklyDiv');
+
+        this.block = this.workspace.newBlock('stack_block');
+        this.block.initSvg();
+        this.block.render();
+        this.renderSpy = sinon.spy(this.block, 'queueRender');
       });
-      teardown(function() {
+
+      teardown(function () {
+        this.renderSpy.restore();
         workspaceTeardown.call(this, this.workspace);
       });
 
-      test('Has Icon', function() {
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-            '<block type="statement_block"/>'
-        ), this.workspace);
-        block.setCommentText('test text');
-        block.comment.setVisible(true);
-        chai.assert.isTrue(block.comment.isVisible());
-        block.setCollapsed(true);
-        chai.assert.isFalse(block.comment.isVisible());
+      test('icons get removed from the block', function () {
+        this.block.addIcon(new MockIconA());
+        chai.assert.isTrue(
+          this.block.removeIcon(new Blockly.icons.IconType('A')),
+          'Expected removeIcon to return true',
+        );
+        chai.assert.isFalse(
+          this.block.hasIcon('A'),
+          'Expected the icon to be removed',
+        );
       });
-      test('Child Has Icon', function() {
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-            '<block type="statement_block">' +
-            '  <statement name="STATEMENT">' +
-            '    <block type="statement_block"/>' +
-            '  </statement>' +
-            '</block>'
-        ), this.workspace);
-        var childBlock = block.getInputTargetBlock('STATEMENT');
-        childBlock.setCommentText('test text');
-        childBlock.comment.setVisible(true);
-        chai.assert.isTrue(childBlock.comment.isVisible());
-        block.setCollapsed(true);
-        chai.assert.isFalse(childBlock.comment.isVisible());
+
+      test('removing an icon that does not exist returns false', function () {
+        chai.assert.isFalse(
+          this.block.removeIcon(new Blockly.icons.IconType('B')),
+          'Expected removeIcon to return false',
+        );
       });
-      test('Next Block Has Icon', function() {
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-            '<block type="statement_block">' +
-            '  <next>' +
-            '    <block type="statement_block"/>' +
-            '  </next>' +
-            '</block>'
-        ), this.workspace);
-        var nextBlock = block.getNextBlock();
-        nextBlock.setCommentText('test text');
-        nextBlock.comment.setVisible(true);
-        chai.assert.isTrue(nextBlock.comment.isVisible());
-        block.setCollapsed(true);
-        chai.assert.isTrue(nextBlock.comment.isVisible());
+
+      test('removing an icon triggers a render', function () {
+        this.block.addIcon(new MockIconA());
+        this.renderSpy.resetHistory();
+        this.block.removeIcon(new Blockly.icons.IconType('A'));
+        chai.assert.isTrue(
+          this.renderSpy.calledOnce,
+          'Expected removing an icon to trigger a render',
+        );
+      });
+    });
+
+    suite('Getting icons', function () {
+      setup(function () {
+        this.block = this.workspace.newBlock('stack_block');
+      });
+
+      test('all icons are returned from getIcons, in order of weight', function () {
+        const iconA = new MockIconA();
+        const iconB = new MockIconB();
+        this.block.addIcon(iconB);
+        this.block.addIcon(iconA);
+        chai.assert.sameOrderedMembers(
+          this.block.getIcons(),
+          [iconA, iconB],
+          'Expected getIcon to return both icons in order of weight',
+        );
+      });
+
+      test('if there are no icons, getIcons returns an empty array', function () {
+        chai.assert.isEmpty(
+          this.block.getIcons(),
+          'Expected getIcons to return an empty array ' +
+            'for a block with no icons',
+        );
+      });
+
+      test('if there are no icons, getIcons returns an empty array', function () {
+        chai.assert.isEmpty(
+          this.block.getIcons(),
+          'Expected getIcons to return an empty array ' +
+            'for a block with no icons',
+        );
+      });
+
+      test('specific icons are returned from getIcon', function () {
+        const iconA = new MockIconA();
+        const iconB = new MockIconB();
+        this.block.addIcon(iconA);
+        this.block.addIcon(iconB);
+        chai.assert.equal(
+          this.block.getIcon('B'),
+          iconB,
+          'Expected getIcon to return the icon with the given type',
+        );
+      });
+
+      test('if there is no matching icon, getIcon returns undefined', function () {
+        this.block.addIcon(new MockIconA());
+        chai.assert.isUndefined(
+          this.block.getIcon('B'),
+          'Expected getIcon to return null if there is no ' +
+            'icon with a matching type',
+        );
+      });
+    });
+
+    suite('Warning icons', function () {
+      setup(function () {
+        this.workspace = Blockly.inject('blocklyDiv');
+
+        this.block = this.workspace.newBlock('stack_block');
+        this.block.initSvg();
+        this.block.render();
+      });
+
+      teardown(function () {
+        workspaceTeardown.call(this, this.workspace);
+      });
+
+      test('Block with no warning text does not have warning icon', function () {
+        const icon = this.block.getIcon(Blockly.icons.WarningIcon.TYPE);
+
+        chai.assert.isUndefined(
+          icon,
+          'Block with no warning should not have warning icon',
+        );
+      });
+
+      test('Set warning text creates new icon if none existed', function () {
+        const text = 'Warning Text';
+
+        this.block.setWarningText(text);
+
+        const icon = this.block.getIcon(Blockly.icons.WarningIcon.TYPE);
+        chai.assert.equal(
+          icon.getText(),
+          text,
+          'Expected warning icon text to be set',
+        );
+      });
+
+      test('Set warning text adds text to existing icon if needed', function () {
+        const text1 = 'Warning Text 1';
+        const text2 = 'Warning Text 2';
+
+        this.block.setWarningText(text1, '1');
+        this.block.setWarningText(text2, '2');
+
+        const icon = this.block.getIcon(Blockly.icons.WarningIcon.TYPE);
+        chai.assert.equal(icon.getText(), `${text1}\n${text2}`);
+      });
+
+      test('Clearing all warning text deletes the warning icon', function () {
+        const text = 'Warning Text';
+        this.block.setWarningText(text);
+
+        this.block.setWarningText(null);
+
+        const icon = this.block.getIcon(Blockly.icons.WarningIcon.TYPE);
+        chai.assert.isUndefined(
+          icon,
+          'Expected warning icon to be undefined after deleting all warning text',
+        );
+      });
+
+      test('Clearing specific warning does not delete the icon if other warnings present', function () {
+        const text1 = 'Warning Text 1';
+        const text2 = 'Warning Text 2';
+
+        this.block.setWarningText(text1, '1');
+        this.block.setWarningText(text2, '2');
+        this.block.setWarningText(null, '1');
+
+        const icon = this.block.getIcon(Blockly.icons.WarningIcon.TYPE);
+        chai.assert.equal(
+          icon.getText(),
+          text2,
+          'Expected first warning text to be deleted',
+        );
+      });
+
+      test('Clearing specific warning removes icon if it was only warning present', function () {
+        const text1 = 'Warning Text 1';
+        const text2 = 'Warning Text 2';
+
+        this.block.setWarningText(text1, '1');
+        this.block.setWarningText(text2, '2');
+        this.block.setWarningText(null, '1');
+        this.block.setWarningText(null, '2');
+
+        const icon = this.block.getIcon(Blockly.icons.WarningIcon.TYPE);
+        chai.assert.isUndefined(
+          icon,
+          'Expected warning icon to be deleted after all warning text is cleared',
+        );
+      });
+    });
+
+    suite('Bubbles and collapsing', function () {
+      setup(function () {
+        this.workspace = Blockly.inject('blocklyDiv');
+      });
+
+      teardown(function () {
+        workspaceTeardown.call(this, this.workspace);
+      });
+
+      test("Collapsing the block closes its contained children's bubbles", function () {
+        const parentBlock = Blockly.serialization.blocks.append(
+          {
+            'type': 'statement_block',
+            'inputs': {
+              'STATEMENT': {
+                'block': {
+                  'type': 'statement_block',
+                },
+              },
+            },
+          },
+          this.workspace,
+        );
+        const childBlock = parentBlock.getInputTargetBlock('STATEMENT');
+        const icon = new MockBubbleIcon();
+        childBlock.addIcon(icon);
+        icon.setBubbleVisible(true);
+
+        parentBlock.setCollapsed(true);
+
+        chai.assert.isFalse(
+          icon.bubbleIsVisible(),
+          "Expected collapsing the parent block to hide the child block's " +
+            "icon's bubble",
+        );
+      });
+
+      test("Collapsing a block does not close its following childrens' bubbles", function () {
+        const parentBlock = Blockly.serialization.blocks.append(
+          {
+            'type': 'statement_block',
+            'next': {
+              'block': {
+                'type': 'statement_block',
+              },
+            },
+          },
+          this.workspace,
+        );
+        const nextBlock = parentBlock.getNextBlock();
+        const icon = new MockBubbleIcon();
+        nextBlock.addIcon(icon);
+        icon.setBubbleVisible(true);
+
+        parentBlock.setCollapsed(true);
+
+        chai.assert.isTrue(
+          icon.bubbleIsVisible(),
+          'Expected collapsing the parent block to not hide the next ' +
+            "block's bubble",
+        );
       });
     });
   });
-  suite('Collapsing and Expanding', function() {
+
+  suite('Collapsing and Expanding', function () {
     function assertCollapsed(block, opt_string) {
       chai.assert.isTrue(block.isCollapsed());
-      for (var i = 0, input; (input = block.inputList[i]); i++) {
+      for (let i = 0, input; (input = block.inputList[i]); i++) {
         if (input.name == Blockly.Block.COLLAPSED_INPUT_NAME) {
           continue;
         }
         chai.assert.isFalse(input.isVisible());
-        for (var j = 0, field; (field = input.fieldRow[j]); j++) {
+        for (let j = 0, field; (field = input.fieldRow[j]); j++) {
           chai.assert.isFalse(field.isVisible());
         }
       }
-      var icons = block.getIcons();
-      for (var i = 0, icon; (icon = icons[i]); i++) {
-        chai.assert.isFalse(icon.isVisible());
+      const icons = block.getIcons();
+      for (let i = 0, icon; (icon = icons[i]); i++) {
+        chai.assert.isFalse(icon.bubbleIsVisible());
       }
 
-      var input = block.getInput(Blockly.Block.COLLAPSED_INPUT_NAME);
+      const input = block.getInput(Blockly.Block.COLLAPSED_INPUT_NAME);
       chai.assert.isNotNull(input);
       chai.assert.isTrue(input.isVisible());
-      var field = block.getField(Blockly.Block.COLLAPSED_FIELD_NAME);
+      const field = block.getField(Blockly.Block.COLLAPSED_FIELD_NAME);
       chai.assert.isNotNull(field);
       chai.assert.isTrue(field.isVisible());
 
@@ -1183,22 +1904,22 @@ suite('Blocks', function() {
     }
     function assertNotCollapsed(block) {
       chai.assert.isFalse(block.isCollapsed());
-      for (var i = 0, input; (input = block.inputList[i]); i++) {
+      for (let i = 0, input; (input = block.inputList[i]); i++) {
         chai.assert.isTrue(input.isVisible());
-        for (var j = 0, field; (field = input.fieldRow[j]); j++) {
+        for (let j = 0, field; (field = input.fieldRow[j]); j++) {
           chai.assert.isTrue(field.isVisible());
         }
       }
 
-      var input = block.getInput(Blockly.Block.COLLAPSED_INPUT_NAME);
+      const input = block.getInput(Blockly.Block.COLLAPSED_INPUT_NAME);
       chai.assert.isNull(input);
-      var field = block.getField(Blockly.Block.COLLAPSED_FIELD_NAME);
+      const field = block.getField(Blockly.Block.COLLAPSED_FIELD_NAME);
       chai.assert.isNull(field);
     }
     function isBlockHidden(block) {
-      var node = block.getSvgRoot();
+      let node = block.getSvgRoot();
       do {
-        var visible = node.style.display != 'none';
+        const visible = node.style.display != 'none';
         if (!visible) {
           return true;
         }
@@ -1207,41 +1928,41 @@ suite('Blocks', function() {
       return false;
     }
 
-    setup(function() {
-      Blockly.Events.disable();
+    setup(function () {
+      eventUtils.disable();
       // We need a visible workspace.
       this.workspace = Blockly.inject('blocklyDiv', {});
       Blockly.defineBlocksWithJsonArray([
         {
-          "type": "variable_block",
-          "message0": "%1",
-          "args0": [
+          'type': 'variable_block',
+          'message0': '%1',
+          'args0': [
             {
-              "type": "field_variable",
-              "name": "NAME",
-              "variable": "x"
-            }
+              'type': 'field_variable',
+              'name': 'NAME',
+              'variable': 'x',
+            },
           ],
-        }
+        },
       ]);
     });
-    teardown(function() {
-      Blockly.Events.enable();
+    teardown(function () {
+      eventUtils.enable();
       workspaceTeardown.call(this, this.workspace);
     });
-    suite('Connecting and Disconnecting', function() {
-      test('Connect Block to Next', function() {
-        var blockA = createRenderedBlock(this.workspace,'stack_block');
-        var blockB = createRenderedBlock(this.workspace,'stack_block');
+    suite('Connecting and Disconnecting', function () {
+      test('Connect Block to Next', function () {
+        const blockA = createRenderedBlock(this.workspace, 'stack_block');
+        const blockB = createRenderedBlock(this.workspace, 'stack_block');
 
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
         blockA.nextConnection.connect(blockB.previousConnection);
         assertNotCollapsed(blockB);
       });
-      test('Connect Block to Value Input', function() {
-        var blockA = createRenderedBlock(this.workspace,'row_block');
-        var blockB = createRenderedBlock(this.workspace,'row_block');
+      test('Connect Block to Value Input', function () {
+        const blockA = createRenderedBlock(this.workspace, 'row_block');
+        const blockB = createRenderedBlock(this.workspace, 'row_block');
 
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
@@ -1251,23 +1972,24 @@ suite('Blocks', function() {
         assertNotCollapsed(blockA);
         chai.assert.isFalse(isBlockHidden(blockB));
       });
-      test('Connect Block to Statement Input', function() {
-        var blockA = createRenderedBlock(this.workspace,'statement_block');
-        var blockB = createRenderedBlock(this.workspace,'stack_block');
+      test('Connect Block to Statement Input', function () {
+        const blockA = createRenderedBlock(this.workspace, 'statement_block');
+        const blockB = createRenderedBlock(this.workspace, 'stack_block');
 
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
-        blockA.getInput('STATEMENT').connection
-            .connect(blockB.previousConnection);
+        blockA
+          .getInput('STATEMENT')
+          .connection.connect(blockB.previousConnection);
         chai.assert.isTrue(isBlockHidden(blockB));
         blockA.setCollapsed(false);
         assertNotCollapsed(blockA);
         chai.assert.isFalse(isBlockHidden(blockB));
       });
-      test('Connect Block to Child of Collapsed - Input', function() {
-        var blockA = createRenderedBlock(this.workspace,'row_block');
-        var blockB = createRenderedBlock(this.workspace,'row_block');
-        var blockC = createRenderedBlock(this.workspace,'row_block');
+      test('Connect Block to Child of Collapsed - Input', function () {
+        const blockA = createRenderedBlock(this.workspace, 'row_block');
+        const blockB = createRenderedBlock(this.workspace, 'row_block');
+        const blockC = createRenderedBlock(this.workspace, 'row_block');
 
         blockA.getInput('INPUT').connection.connect(blockB.outputConnection);
         blockA.setCollapsed(true);
@@ -1281,13 +2003,14 @@ suite('Blocks', function() {
         chai.assert.isFalse(isBlockHidden(blockB));
         chai.assert.isFalse(isBlockHidden(blockC));
       });
-      test('Connect Block to Child of Collapsed - Next', function() {
-        var blockA = createRenderedBlock(this.workspace,'statement_block');
-        var blockB = createRenderedBlock(this.workspace,'stack_block');
-        var blockC = createRenderedBlock(this.workspace,'stack_block');
+      test('Connect Block to Child of Collapsed - Next', function () {
+        const blockA = createRenderedBlock(this.workspace, 'statement_block');
+        const blockB = createRenderedBlock(this.workspace, 'stack_block');
+        const blockC = createRenderedBlock(this.workspace, 'stack_block');
 
-        blockA.getInput('STATEMENT').connection
-            .connect(blockB.previousConnection);
+        blockA
+          .getInput('STATEMENT')
+          .connection.connect(blockB.previousConnection);
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
         chai.assert.isTrue(isBlockHidden(blockB));
@@ -1299,10 +2022,10 @@ suite('Blocks', function() {
         chai.assert.isFalse(isBlockHidden(blockB));
         chai.assert.isFalse(isBlockHidden(blockC));
       });
-      test('Connect Block to Value Input Already Taken', function() {
-        var blockA = createRenderedBlock(this.workspace,'row_block');
-        var blockB = createRenderedBlock(this.workspace,'row_block');
-        var blockC = createRenderedBlock(this.workspace,'row_block');
+      test('Connect Block to Value Input Already Taken', function () {
+        const blockA = createRenderedBlock(this.workspace, 'row_block');
+        const blockB = createRenderedBlock(this.workspace, 'row_block');
+        const blockC = createRenderedBlock(this.workspace, 'row_block');
 
         blockA.getInput('INPUT').connection.connect(blockB.outputConnection);
         blockA.setCollapsed(true);
@@ -1318,18 +2041,20 @@ suite('Blocks', function() {
         chai.assert.isFalse(isBlockHidden(blockB));
         chai.assert.isFalse(isBlockHidden(blockC));
       });
-      test('Connect Block to Statement Input Already Taken', function() {
-        var blockA = createRenderedBlock(this.workspace,'statement_block');
-        var blockB = createRenderedBlock(this.workspace,'stack_block');
-        var blockC = createRenderedBlock(this.workspace,'stack_block');
+      test('Connect Block to Statement Input Already Taken', function () {
+        const blockA = createRenderedBlock(this.workspace, 'statement_block');
+        const blockB = createRenderedBlock(this.workspace, 'stack_block');
+        const blockC = createRenderedBlock(this.workspace, 'stack_block');
 
-        blockA.getInput('STATEMENT').connection
-            .connect(blockB.previousConnection);
+        blockA
+          .getInput('STATEMENT')
+          .connection.connect(blockB.previousConnection);
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
         chai.assert.isTrue(isBlockHidden(blockB));
-        blockA.getInput('STATEMENT').connection
-            .connect(blockC.previousConnection);
+        blockA
+          .getInput('STATEMENT')
+          .connection.connect(blockC.previousConnection);
         chai.assert.isTrue(isBlockHidden(blockC));
         // Still hidden after C is inserted between.
         chai.assert.isTrue(isBlockHidden(blockB));
@@ -1339,10 +2064,10 @@ suite('Blocks', function() {
         chai.assert.isFalse(isBlockHidden(blockB));
         chai.assert.isFalse(isBlockHidden(blockC));
       });
-      test('Connect Block with Child - Input', function() {
-        var blockA = createRenderedBlock(this.workspace,'row_block');
-        var blockB = createRenderedBlock(this.workspace,'row_block');
-        var blockC = createRenderedBlock(this.workspace,'row_block');
+      test('Connect Block with Child - Input', function () {
+        const blockA = createRenderedBlock(this.workspace, 'row_block');
+        const blockB = createRenderedBlock(this.workspace, 'row_block');
+        const blockC = createRenderedBlock(this.workspace, 'row_block');
 
         blockB.getInput('INPUT').connection.connect(blockC.outputConnection);
         blockA.setCollapsed(true);
@@ -1356,16 +2081,17 @@ suite('Blocks', function() {
         chai.assert.isFalse(isBlockHidden(blockB));
         chai.assert.isFalse(isBlockHidden(blockC));
       });
-      test('Connect Block with Child - Statement', function() {
-        var blockA = createRenderedBlock(this.workspace,'statement_block');
-        var blockB = createRenderedBlock(this.workspace,'stack_block');
-        var blockC = createRenderedBlock(this.workspace,'stack_block');
+      test('Connect Block with Child - Statement', function () {
+        const blockA = createRenderedBlock(this.workspace, 'statement_block');
+        const blockB = createRenderedBlock(this.workspace, 'stack_block');
+        const blockC = createRenderedBlock(this.workspace, 'stack_block');
 
         blockB.nextConnection.connect(blockC.previousConnection);
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
-        blockA.getInput('STATEMENT').connection
-            .connect(blockB.previousConnection);
+        blockA
+          .getInput('STATEMENT')
+          .connection.connect(blockB.previousConnection);
         chai.assert.isTrue(isBlockHidden(blockC));
         chai.assert.isTrue(isBlockHidden(blockB));
 
@@ -1374,9 +2100,9 @@ suite('Blocks', function() {
         chai.assert.isFalse(isBlockHidden(blockB));
         chai.assert.isFalse(isBlockHidden(blockC));
       });
-      test('Disconnect Block from Value Input', function() {
-        var blockA = createRenderedBlock(this.workspace,'row_block');
-        var blockB = createRenderedBlock(this.workspace,'row_block');
+      test('Disconnect Block from Value Input', function () {
+        const blockA = createRenderedBlock(this.workspace, 'row_block');
+        const blockB = createRenderedBlock(this.workspace, 'row_block');
 
         blockA.getInput('INPUT').connection.connect(blockB.outputConnection);
         blockA.setCollapsed(true);
@@ -1385,22 +2111,23 @@ suite('Blocks', function() {
         blockB.outputConnection.disconnect();
         chai.assert.isFalse(isBlockHidden(blockB));
       });
-      test('Disconnect Block from Statement Input', function() {
-        var blockA = createRenderedBlock(this.workspace,'statement_block');
-        var blockB = createRenderedBlock(this.workspace,'stack_block');
+      test('Disconnect Block from Statement Input', function () {
+        const blockA = createRenderedBlock(this.workspace, 'statement_block');
+        const blockB = createRenderedBlock(this.workspace, 'stack_block');
 
-        blockA.getInput('STATEMENT').connection
-            .connect(blockB.previousConnection);
+        blockA
+          .getInput('STATEMENT')
+          .connection.connect(blockB.previousConnection);
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
         chai.assert.isTrue(isBlockHidden(blockB));
         blockB.previousConnection.disconnect();
         chai.assert.isFalse(isBlockHidden(blockB));
       });
-      test('Disconnect Block from Child of Collapsed - Input', function() {
-        var blockA = createRenderedBlock(this.workspace,'row_block');
-        var blockB = createRenderedBlock(this.workspace,'row_block');
-        var blockC = createRenderedBlock(this.workspace,'row_block');
+      test('Disconnect Block from Child of Collapsed - Input', function () {
+        const blockA = createRenderedBlock(this.workspace, 'row_block');
+        const blockB = createRenderedBlock(this.workspace, 'row_block');
+        const blockC = createRenderedBlock(this.workspace, 'row_block');
 
         blockA.getInput('INPUT').connection.connect(blockB.outputConnection);
         blockB.getInput('INPUT').connection.connect(blockC.outputConnection);
@@ -1412,13 +2139,14 @@ suite('Blocks', function() {
         blockC.outputConnection.disconnect();
         chai.assert.isFalse(isBlockHidden(blockC));
       });
-      test('Disconnect Block from Child of Collapsed - Next', function() {
-        var blockA = createRenderedBlock(this.workspace,'statement_block');
-        var blockB = createRenderedBlock(this.workspace,'stack_block');
-        var blockC = createRenderedBlock(this.workspace,'stack_block');
+      test('Disconnect Block from Child of Collapsed - Next', function () {
+        const blockA = createRenderedBlock(this.workspace, 'statement_block');
+        const blockB = createRenderedBlock(this.workspace, 'stack_block');
+        const blockC = createRenderedBlock(this.workspace, 'stack_block');
 
-        blockA.getInput('STATEMENT').connection
-            .connect(blockB.previousConnection);
+        blockA
+          .getInput('STATEMENT')
+          .connection.connect(blockB.previousConnection);
         blockB.nextConnection.connect(blockC.previousConnection);
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
@@ -1428,10 +2156,10 @@ suite('Blocks', function() {
         blockC.previousConnection.disconnect();
         chai.assert.isFalse(isBlockHidden(blockC));
       });
-      test('Disconnect Block with Child - Input', function() {
-        var blockA = createRenderedBlock(this.workspace,'row_block');
-        var blockB = createRenderedBlock(this.workspace,'row_block');
-        var blockC = createRenderedBlock(this.workspace,'row_block');
+      test('Disconnect Block with Child - Input', function () {
+        const blockA = createRenderedBlock(this.workspace, 'row_block');
+        const blockB = createRenderedBlock(this.workspace, 'row_block');
+        const blockC = createRenderedBlock(this.workspace, 'row_block');
 
         blockB.getInput('INPUT').connection.connect(blockC.outputConnection);
         blockA.getInput('INPUT').connection.connect(blockB.outputConnection);
@@ -1444,14 +2172,15 @@ suite('Blocks', function() {
         chai.assert.isFalse(isBlockHidden(blockB));
         chai.assert.isFalse(isBlockHidden(blockC));
       });
-      test('Disconnect Block with Child - Statement', function() {
-        var blockA = createRenderedBlock(this.workspace,'statement_block');
-        var blockB = createRenderedBlock(this.workspace,'stack_block');
-        var blockC = createRenderedBlock(this.workspace,'stack_block');
+      test('Disconnect Block with Child - Statement', function () {
+        const blockA = createRenderedBlock(this.workspace, 'statement_block');
+        const blockB = createRenderedBlock(this.workspace, 'stack_block');
+        const blockC = createRenderedBlock(this.workspace, 'stack_block');
 
         blockB.nextConnection.connect(blockC.previousConnection);
-        blockA.getInput('STATEMENT').connection
-            .connect(blockB.previousConnection);
+        blockA
+          .getInput('STATEMENT')
+          .connection.connect(blockB.previousConnection);
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
         chai.assert.isTrue(isBlockHidden(blockC));
@@ -1462,51 +2191,53 @@ suite('Blocks', function() {
         chai.assert.isFalse(isBlockHidden(blockC));
       });
     });
-    suite('Adding and Removing Block Parts', function() {
-      test('Add Previous Connection', function() {
-        var blockA = createRenderedBlock(this.workspace,'empty_block');
+    suite('Adding and Removing Block Parts', function () {
+      test('Add Previous Connection', function () {
+        const blockA = createRenderedBlock(this.workspace, 'empty_block');
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
         blockA.setPreviousStatement(true);
         assertCollapsed(blockA);
         chai.assert.isNotNull(blockA.previousConnection);
       });
-      test('Add Next Connection', function() {
-        var blockA = createRenderedBlock(this.workspace,'empty_block');
+      test('Add Next Connection', function () {
+        const blockA = createRenderedBlock(this.workspace, 'empty_block');
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
         blockA.setNextStatement(true);
         assertCollapsed(blockA);
         chai.assert.isNotNull(blockA.nextConnection);
       });
-      test('Add Input', function() {
-        var blockA = createRenderedBlock(this.workspace,'empty_block');
+      test('Add Input', function () {
+        const blockA = createRenderedBlock(this.workspace, 'empty_block');
         blockA.setCollapsed(true);
-        assertCollapsed(blockA);
+
         blockA.appendDummyInput('NAME');
+
+        this.clock.runAll();
         assertCollapsed(blockA);
         chai.assert.isNotNull(blockA.getInput('NAME'));
       });
-      test('Add Field', function() {
-        var blockA = createRenderedBlock(this.workspace,'empty_block');
-        var input = blockA.appendDummyInput('NAME');
+      test('Add Field', function () {
+        const blockA = createRenderedBlock(this.workspace, 'empty_block');
+        const input = blockA.appendDummyInput('NAME');
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
         input.appendField(new Blockly.FieldLabel('test'), 'FIELD');
         assertCollapsed(blockA);
-        var field = blockA.getField('FIELD');
+        const field = blockA.getField('FIELD');
         chai.assert.isNotNull(field);
         chai.assert.equal(field.getText(), 'test');
       });
-      test('Add Icon', function() {
-        var blockA = createRenderedBlock(this.workspace,'empty_block');
+      test('Add Icon', function () {
+        const blockA = createRenderedBlock(this.workspace, 'empty_block');
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
         blockA.setCommentText('test');
         assertCollapsed(blockA);
       });
-      test('Remove Previous Connection', function() {
-        var blockA = createRenderedBlock(this.workspace,'empty_block');
+      test('Remove Previous Connection', function () {
+        const blockA = createRenderedBlock(this.workspace, 'empty_block');
         blockA.setPreviousStatement(true);
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
@@ -1514,8 +2245,8 @@ suite('Blocks', function() {
         assertCollapsed(blockA);
         chai.assert.isNull(blockA.previousConnection);
       });
-      test('Remove Next Connection', function() {
-        var blockA = createRenderedBlock(this.workspace,'empty_block');
+      test('Remove Next Connection', function () {
+        const blockA = createRenderedBlock(this.workspace, 'empty_block');
         blockA.setNextStatement(true);
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
@@ -1523,8 +2254,8 @@ suite('Blocks', function() {
         assertCollapsed(blockA);
         chai.assert.isNull(blockA.nextConnection);
       });
-      test('Remove Input', function() {
-        var blockA = createRenderedBlock(this.workspace,'empty_block');
+      test('Remove Input', function () {
+        const blockA = createRenderedBlock(this.workspace, 'empty_block');
         blockA.appendDummyInput('NAME');
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
@@ -1532,19 +2263,19 @@ suite('Blocks', function() {
         assertCollapsed(blockA);
         chai.assert.isNull(blockA.getInput('NAME'));
       });
-      test('Remove Field', function() {
-        var blockA = createRenderedBlock(this.workspace,'empty_block');
-        var input = blockA.appendDummyInput('NAME');
+      test('Remove Field', function () {
+        const blockA = createRenderedBlock(this.workspace, 'empty_block');
+        const input = blockA.appendDummyInput('NAME');
         input.appendField(new Blockly.FieldLabel('test'), 'FIELD');
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
         input.removeField('FIELD');
         assertCollapsed(blockA);
-        var field = blockA.getField('FIELD');
+        const field = blockA.getField('FIELD');
         chai.assert.isNull(field);
       });
-      test('Remove Icon', function() {
-        var blockA = createRenderedBlock(this.workspace,'empty_block');
+      test('Remove Icon', function () {
+        const blockA = createRenderedBlock(this.workspace, 'empty_block');
         blockA.setCommentText('test');
         blockA.setCollapsed(true);
         assertCollapsed(blockA);
@@ -1552,43 +2283,234 @@ suite('Blocks', function() {
         assertCollapsed(blockA);
       });
     });
-    suite('Renaming Vars', function() {
-      test('Simple Rename', function() {
-        var blockA = createRenderedBlock(this.workspace,'variable_block');
+    suite('Renaming Vars', function () {
+      test('Simple Rename', function () {
+        const blockA = createRenderedBlock(this.workspace, 'variable_block');
 
         blockA.setCollapsed(true);
-        assertCollapsed(blockA, 'x');
-
-        var variable = this.workspace.getVariable('x', '');
+        const variable = this.workspace.getVariable('x', '');
         this.workspace.renameVariableById(variable.getId(), 'y');
+
+        this.clock.runAll();
         assertCollapsed(blockA, 'y');
       });
-      test('Coalesce, Different Case', function() {
-        var blockA = createRenderedBlock(this.workspace,'variable_block');
+      test('Coalesce, Different Case', function () {
+        const blockA = createRenderedBlock(this.workspace, 'variable_block');
 
         blockA.setCollapsed(true);
-        assertCollapsed(blockA, 'x');
-
-        var variable = this.workspace.createVariable('y');
+        const variable = this.workspace.createVariable('y');
         this.workspace.renameVariableById(variable.getId(), 'X');
+
+        this.clock.runAll();
         assertCollapsed(blockA, 'X');
       });
     });
+    suite('Disabled Blocks', function () {
+      test('Children of Collapsed Blocks Should Enable Properly', function () {
+        const blockA = createRenderedBlock(this.workspace, 'statement_block');
+        const blockB = createRenderedBlock(this.workspace, 'stack_block');
+        blockA
+          .getInput('STATEMENT')
+          .connection.connect(blockB.previousConnection);
+        // Disable the block and collapse it.
+        blockA.setDisabledReason(true, 'test reason');
+        blockA.setCollapsed(true);
+
+        // Enable the block before expanding it.
+        blockA.setDisabledReason(false, 'test reason');
+        blockA.setCollapsed(false);
+
+        // The child blocks should be enabled.
+        chai.assert.isTrue(blockB.isEnabled());
+        chai.assert.isFalse(
+          blockB.getSvgRoot().classList.contains('blocklyDisabled'),
+        );
+      });
+      test('Disabled Children of Collapsed Blocks Should Stay Disabled', function () {
+        const blockA = createRenderedBlock(this.workspace, 'statement_block');
+        const blockB = createRenderedBlock(this.workspace, 'stack_block');
+        blockA
+          .getInput('STATEMENT')
+          .connection.connect(blockB.previousConnection);
+
+        // Disable the child block.
+        blockB.setDisabledReason(true, 'test reason');
+
+        // Collapse and disable the parent block.
+        blockA.setCollapsed(false);
+        blockA.setDisabledReason(true, 'test reason');
+
+        // Enable the parent block.
+        blockA.setDisabledReason(false, 'test reason');
+        blockA.setCollapsed(true);
+
+        // Child blocks should stay disabled if they have been set.
+        chai.assert.isFalse(blockB.isEnabled());
+      });
+      test('Disabled blocks from JSON should have proper disabled status', function () {
+        // Nested c-shaped blocks, inner block is disabled
+        const blockJson = {
+          'type': 'controls_if',
+          'inputs': {
+            'DO0': {
+              'block': {
+                'type': 'controls_if',
+                'enabled': false,
+              },
+            },
+          },
+        };
+        Blockly.serialization.blocks.append(blockJson, this.workspace);
+        const innerBlock = this.workspace
+          .getTopBlocks(false)[0]
+          .getChildren()[0];
+        chai.assert.isTrue(
+          innerBlock.visuallyDisabled,
+          'block should have visuallyDisabled set because it is disabled',
+        );
+        chai.assert.isFalse(
+          innerBlock.isEnabled(),
+          'block should be marked disabled because enabled json property was set to false',
+        );
+      });
+      test('Disabled blocks from XML should have proper disabled status', function () {
+        // Nested c-shaped blocks, inner block is disabled
+        const blockXml = `<xml xmlns="https://developers.google.com/blockly/xml">
+        <block type="controls_if" x="63" y="87">
+          <statement name="DO0">
+            <block type="controls_if" disabled="true"></block>
+          </statement>
+        </block>
+      </xml>`;
+        Blockly.Xml.domToWorkspace(
+          Blockly.utils.xml.textToDom(blockXml),
+          this.workspace,
+        );
+        const innerBlock = this.workspace
+          .getTopBlocks(false)[0]
+          .getChildren()[0];
+        chai.assert.isTrue(
+          innerBlock.visuallyDisabled,
+          'block should have visuallyDisabled set because it is disabled',
+        );
+        chai.assert.isFalse(
+          innerBlock.isEnabled(),
+          'block should be marked disabled because enabled xml property was set to false',
+        );
+      });
+      suite('Disabling blocks with children and neighbors', function () {
+        setup(function () {
+          // c-shape block with a stack of 4 blocks in the input
+          const blockJson = {
+            'type': 'controls_if',
+            'id': 'parent',
+            'inputs': {
+              'DO0': {
+                'block': {
+                  'type': 'controls_repeat_ext',
+                  'id': 'child1',
+                  'next': {
+                    'block': {
+                      'type': 'controls_for',
+                      'id': 'child2',
+                      'enabled': false,
+                      'next': {
+                        'block': {
+                          'type': 'controls_whileUntil',
+                          'id': 'child3',
+                          'next': {
+                            'block': {
+                              'type': 'controls_forEach',
+                              'id': 'child4',
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+              },
+            },
+          };
+          Blockly.serialization.blocks.append(blockJson, this.workspace);
+          this.parent = this.workspace.getBlockById('parent');
+          this.child1 = this.workspace.getBlockById('child1');
+          this.child2 = this.workspace.getBlockById('child2');
+          this.child3 = this.workspace.getBlockById('child3');
+          this.child4 = this.workspace.getBlockById('child4');
+        });
+        test('Disabling parent block visually disables all descendants', async function () {
+          this.parent.setDisabledReason(true, 'test reason');
+          await Blockly.renderManagement.finishQueuedRenders();
+          for (const child of this.parent.getDescendants(false)) {
+            chai.assert.isTrue(
+              child.visuallyDisabled,
+              `block ${child.id} should be visually disabled`,
+            );
+          }
+        });
+        test('Child blocks regain original status after parent is re-enabled', async function () {
+          this.parent.setDisabledReason(true, 'test reason');
+          await Blockly.renderManagement.finishQueuedRenders();
+          this.parent.setDisabledReason(false, 'test reason');
+          await Blockly.renderManagement.finishQueuedRenders();
+
+          // child2 is disabled, rest should be enabled
+          chai.assert.isTrue(
+            this.child1.isEnabled(),
+            'child1 should be enabled',
+          );
+          chai.assert.isFalse(
+            this.child1.visuallyDisabled,
+            'child1 should not be visually disabled',
+          );
+
+          chai.assert.isFalse(
+            this.child2.isEnabled(),
+            'child2 should be disabled',
+          );
+          chai.assert.isTrue(
+            this.child2.visuallyDisabled,
+            'child2 should be visually disabled',
+          );
+
+          chai.assert.isTrue(
+            this.child3.isEnabled(),
+            'child3 should be enabled',
+          );
+          chai.assert.isFalse(
+            this.child3.visuallyDisabled,
+            'child3 should not be visually disabled',
+          );
+
+          chai.assert.isTrue(
+            this.child4.isEnabled(),
+            'child34 should be enabled',
+          );
+          chai.assert.isFalse(
+            this.child4.visuallyDisabled,
+            'child4 should not be visually disabled',
+          );
+        });
+      });
+    });
   });
-  suite('Style', function() {
-    suite('Headless', function() {
-      setup(function() {
-        this.block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-            '<block type="empty_block"/>'
-        ), this.workspace);
-      });
-      test('Set colour', function() {
+
+  suite('Style', function () {
+    suite('Headless', function () {
+      setup(function () {
+        this.block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom('<block type="empty_block"/>'),
+          this.workspace,
+        );
+      });
+      test('Set colour', function () {
         this.block.setColour('20');
         chai.assert.equal(this.block.getColour(), '#a5745b');
         chai.assert.equal(this.block.colour_, this.block.getColour());
         chai.assert.equal(this.block.hue_, '20');
       });
-      test('Set style', function() {
+      test('Set style', function () {
         this.block.setStyle('styleOne');
         chai.assert.equal(this.block.getStyleName(), 'styleOne');
         chai.assert.isNull(this.block.hue_);
@@ -1596,41 +2518,45 @@ suite('Blocks', function() {
         chai.assert.equal(this.block.getColour(), '#000000');
       });
     });
-    suite('Rendered', function() {
-      setup(function() {
+    suite('Rendered', function () {
+      setup(function () {
         this.workspace = Blockly.inject('blocklyDiv', {});
-        this.block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-            '<block type="empty_block"/>'
-        ), this.workspace);
-        this.workspace.setTheme(new Blockly.Theme('test', {
-          "styleOne" : {
-            "colourPrimary": "#000000",
-            "colourSecondary": "#999999",
-            "colourTertiary": "#4d4d4d",
-            "hat": ''
-          }
-        }), {});
+        this.block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom('<block type="empty_block"/>'),
+          this.workspace,
+        );
+        this.workspace.setTheme(
+          new Blockly.Theme('test', {
+            'styleOne': {
+              'colourPrimary': '#000000',
+              'colourSecondary': '#999999',
+              'colourTertiary': '#4d4d4d',
+              'hat': '',
+            },
+          }),
+          {},
+        );
       });
-      teardown(function() {
+      teardown(function () {
         workspaceTeardown.call(this, this.workspace);
         // Clear all registered themes.
-        Blockly.registry.typeMap_['theme'] = {};
+        Blockly.registry.TEST_ONLY.typeMap['theme'] = {};
       });
-      test('Set colour hue', function() {
+      test('Set colour hue', function () {
         this.block.setColour('20');
         chai.assert.equal(this.block.getStyleName(), 'auto_#a5745b');
         chai.assert.equal(this.block.getColour(), '#a5745b');
         chai.assert.equal(this.block.colour_, this.block.getColour());
         chai.assert.equal(this.block.hue_, '20');
       });
-      test('Set colour hex', function() {
+      test('Set colour hex', function () {
         this.block.setColour('#000000');
         chai.assert.equal(this.block.getStyleName(), 'auto_#000000');
         chai.assert.equal(this.block.getColour(), '#000000');
         chai.assert.equal(this.block.colour_, this.block.getColour());
         chai.assert.isNull(this.block.hue_);
       });
-      test('Set style', function() {
+      test('Set style', function () {
         this.block.setStyle('styleOne');
         chai.assert.equal(this.block.getStyleName(), 'styleOne');
         chai.assert.equal(this.block.getColour(), '#000000');
@@ -1638,146 +2564,190 @@ suite('Blocks', function() {
       });
     });
   });
-  suite('toString', function() {
-    var toStringTests = [
+
+  suite('toString', function () {
+    const toStringTests = [
       {
         name: 'statement block',
-        xml: '<block type="controls_repeat_ext">' +
+        xml:
+          '<block type="controls_repeat_ext">' +
           '<value name="TIMES">' +
-            '<shadow type="math_number">' +
-              '<field name="NUM">10</field>' +
+          '<shadow type="math_number">' +
+          '<field name="NUM">10</field>' +
           '</shadow>' +
           '</value>' +
-        '</block>',
+          '</block>',
         toString: 'repeat 10 times do ?',
       },
       {
         name: 'nested statement blocks',
-        xml: '<block type="controls_repeat_ext">' +
+        xml:
+          '<block type="controls_repeat_ext">' +
           '<value name="TIMES">' +
-            '<shadow type="math_number">' +
-              '<field name="NUM">10</field>' +
-            '</shadow>' +
+          '<shadow type="math_number">' +
+          '<field name="NUM">10</field>' +
+          '</shadow>' +
           '</value>' +
           '<statement name="DO">' +
-            '<block type="controls_if"></block>' +
+          '<block type="controls_if"></block>' +
           '</statement>' +
-        '</block>',
+          '</block>',
         toString: 'repeat 10 times do if ? do ?',
       },
       {
         name: 'nested Boolean output blocks',
-        xml: '<block type="controls_if">' +
+        xml:
+          '<block type="controls_if">' +
           '<value name="IF0">' +
-            '<block type="logic_compare">' +
-              '<field name="OP">EQ</field>' +
-              '<value name="A">' +
-                '<block type="logic_operation">' +
-                  '<field name="OP">AND</field>' +
-                '</block>' +
-              '</value>' +
-            '</block>' +
+          '<block type="logic_compare">' +
+          '<field name="OP">EQ</field>' +
+          '<value name="A">' +
+          '<block type="logic_operation">' +
+          '<field name="OP">AND</field>' +
+          '</block>' +
+          '</value>' +
+          '</block>' +
           '</value>' +
-        '</block>',
+          '</block>',
         toString: 'if ((? and ?) = ?) do ?',
       },
       {
         name: 'output block',
-        xml: '<block type="math_single">' +
+        xml:
+          '<block type="math_single">' +
           '<field name="OP">ROOT</field>' +
           '<value name="NUM">' +
-            '<shadow type="math_number">' +
-              '<field name="NUM">9</field>' +
-            '</shadow>' +
+          '<shadow type="math_number">' +
+          '<field name="NUM">9</field>' +
+          '</shadow>' +
           '</value>' +
-        '</block>',
+          '</block>',
         toString: 'square root 9',
       },
       {
         name: 'nested Number output blocks',
-        xml: '<block type="math_arithmetic">' +
+        xml:
+          '<block type="math_arithmetic">' +
           '<field name="OP">ADD</field>' +
           '<value name="A">' +
-            '<shadow type="math_number">' +
-              '<field name="NUM">1</field>' +
-            '</shadow>' +
-            '<block type="math_arithmetic">' +
-              '<field name="OP">MULTIPLY</field>' +
-              '<value name="A">' +
-                '<shadow type="math_number">' +
-                  '<field name="NUM">10</field>' +
-                '</shadow>' +
-              '</value>' +
-              '<value name="B">' +
-                '<shadow type="math_number">' +
-                  '<field name="NUM">5</field>' +
-                '</shadow>' +
-              '</value>' +
-            '</block>' +
+          '<shadow type="math_number">' +
+          '<field name="NUM">1</field>' +
+          '</shadow>' +
+          '<block type="math_arithmetic">' +
+          '<field name="OP">MULTIPLY</field>' +
+          '<value name="A">' +
+          '<shadow type="math_number">' +
+          '<field name="NUM">10</field>' +
+          '</shadow>' +
           '</value>' +
           '<value name="B">' +
-            '<shadow type="math_number">' +
-              '<field name="NUM">3</field>' +
-            '</shadow>' +
+          '<shadow type="math_number">' +
+          '<field name="NUM">5</field>' +
+          '</shadow>' +
+          '</value>' +
+          '</block>' +
           '</value>' +
-        '</block>',
+          '<value name="B">' +
+          '<shadow type="math_number">' +
+          '<field name="NUM">3</field>' +
+          '</shadow>' +
+          '</value>' +
+          '</block>',
         toString: '(10 × 5) + 3',
       },
       {
         name: 'nested String output blocks',
-        xml: '<block type="text_join">' +
+        xml:
+          '<block type="text_join">' +
           '<mutation items="2"></mutation>' +
           '<value name="ADD0">' +
-            '<block type="text">' +
-              '<field name="TEXT">Hello</field>' +
-            '</block>' +
+          '<block type="text">' +
+          '<field name="TEXT">Hello</field>' +
+          '</block>' +
           '</value>' +
           '<value name="ADD1">' +
-            '<block type="text">' +
-              '<field name="TEXT">World</field>' +
-            '</block>' +
+          '<block type="text">' +
+          '<field name="TEXT">World</field>' +
+          '</block>' +
           '</value>' +
-        '</block>',
+          '</block>',
         toString: 'create text with “ Hello ” “ World ”',
       },
+      {
+        name: 'parentheses in string literal',
+        xml:
+          '<block type="text">' +
+          '<field name="TEXT">foo ( bar ) baz</field>' +
+          '</block>',
+        toString: '“ foo ( bar ) baz ”',
+      },
     ];
     // Create mocha test cases for each toString test.
-    toStringTests.forEach(function(t) {
-      test(t.name, function() {
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(t.xml),
-            this.workspace);
+    toStringTests.forEach(function (t) {
+      test(t.name, function () {
+        const block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(t.xml),
+          this.workspace,
+        );
         chai.assert.equal(block.toString(), t.toString);
       });
     });
   });
 
-  suite('Initialization', function() {
-    setup(function() {
+  suite('Initialization', function () {
+    setup(function () {
       Blockly.defineBlocksWithJsonArray([
         {
-          "type": "init_test_block",
-          "message0": ""
+          'type': 'init_test_block',
+          'message0': '',
         },
       ]);
     });
-    test('recordUndo is reset even if init throws', function() {
+    test('recordUndo is reset even if init throws', function () {
       // The test could pass if init is never called,
       // so we assert init was called to be safe.
-      var initCalled = false;
-      var recordUndoDuringInit;
-      Blockly.Blocks['init_test_block'].init = function() {
+      let initCalled = false;
+      let recordUndoDuringInit;
+      Blockly.Blocks['init_test_block'].init = function () {
         initCalled = true;
-        recordUndoDuringInit = Blockly.Events.recordUndo;
+        recordUndoDuringInit = eventUtils.getRecordUndo();
         throw new Error();
       };
-      chai.assert.throws(function() {
-        this.workspace.newBlock('init_test_block');
-      }.bind(this));
-      chai.assert.isFalse(recordUndoDuringInit,
-          'recordUndo should be false during block init function');
-      chai.assert.isTrue(Blockly.Events.recordUndo,
-          'recordUndo should be reset to true after init');
+      chai.assert.throws(
+        function () {
+          this.workspace.newBlock('init_test_block');
+        }.bind(this),
+      );
+      chai.assert.isFalse(
+        recordUndoDuringInit,
+        'recordUndo should be false during block init function',
+      );
+      chai.assert.isTrue(
+        eventUtils.getRecordUndo(),
+        'recordUndo should be reset to true after init',
+      );
       chai.assert.isTrue(initCalled, 'expected init function to be called');
     });
   });
+
+  suite('EndOfRow', function () {
+    setup(function () {
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': 'end_row_test_block',
+          'message0': 'Row1\nRow2',
+          'inputsInline': true,
+        },
+      ]);
+    });
+    test('Newline is converted to an end-row input', function () {
+      const block = this.workspace.newBlock('end_row_test_block');
+      chai.assert.equal(block.inputList[0].fieldRow[0].getValue(), 'Row1');
+      chai.assert.isTrue(
+        block.inputList[0] instanceof EndRowInput,
+        'newline should be converted to an end-row input',
+      );
+      chai.assert.equal(block.inputList[1].fieldRow[0].getValue(), 'Row2');
+    });
+  });
 });
diff --git a/tests/mocha/blocks/lists_test.js b/tests/mocha/blocks/lists_test.js
new file mode 100644
index 00000000000..07510513b07
--- /dev/null
+++ b/tests/mocha/blocks/lists_test.js
@@ -0,0 +1,195 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {runSerializationTestSuite} from '../test_helpers/serialization.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from '../test_helpers/setup_teardown.js';
+import {ConnectionType} from '../../../build/src/core/connection_type.js';
+import {defineStatementBlock} from '../test_helpers/block_definitions.js';
+
+suite('Lists', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    defineStatementBlock();
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('ListsGetIndex', function () {
+    /**
+     * Test cases for serialization tests.
+     * @type {Array<SerializationTestCase>}
+     */
+    const testCases = [
+      {
+        title: 'JSON not requiring mutations',
+        json: {
+          type: 'lists_getIndex',
+          id: '1',
+          fields: {MODE: 'GET', WHERE: 'FIRST'},
+        },
+        assertBlockStructure: (block) => {
+          chai.assert.equal(block.type, 'lists_getIndex');
+          chai.assert.exists(block.outputConnection);
+        },
+      },
+      {
+        title: 'JSON requiring mutations',
+        json: {
+          type: 'lists_getIndex',
+          id: '1',
+          extraState: {isStatement: true},
+          fields: {MODE: 'REMOVE', WHERE: 'FROM_START'},
+        },
+        assertBlockStructure: (block) => {
+          chai.assert.equal(block.type, 'lists_getIndex');
+          chai.assert.isNotTrue(block.outputConnection);
+          chai.assert.isTrue(
+            block.getInput('AT').type === ConnectionType.INPUT_VALUE,
+          );
+        },
+      },
+      {
+        title:
+          'JSON requiring mutations and extra state for previous connection',
+        json: {
+          type: 'statement_block',
+          id: '1',
+          next: {
+            block: {
+              type: 'lists_getIndex',
+              id: '2',
+              extraState: {isStatement: true},
+              fields: {MODE: 'REMOVE', WHERE: 'FROM_START'},
+            },
+          },
+        },
+        assertBlockStructure: (block) => {},
+      },
+      {
+        title: 'JSON requiring mutations with XML extra state',
+        json: {
+          type: 'statement_block',
+          id: '1',
+          next: {
+            block: {
+              type: 'lists_getIndex',
+              id: '2',
+              extraState: '<mutation statement="true" at="true"></mutation>',
+              fields: {MODE: 'REMOVE', WHERE: 'FROM_START'},
+            },
+          },
+        },
+        expectedJson: {
+          type: 'statement_block',
+          id: '1',
+          next: {
+            block: {
+              type: 'lists_getIndex',
+              id: '2',
+              extraState: {isStatement: true},
+              fields: {MODE: 'REMOVE', WHERE: 'FROM_START'},
+            },
+          },
+        },
+        assertBlockStructure: (block) => {},
+      },
+    ];
+    runSerializationTestSuite(testCases);
+  });
+
+  /**
+   * Test cases for serialization where JSON hooks should have null
+   * implementation to avoid serializing xml mutations in json.
+   * @param {!Object} serializedJson basic serialized json
+   * @param {!string} xmlMutation xml mutation that should be ignored/not reserialized in round trip
+   * @return {Array<SerializationTestCase>} test cases
+   */
+  function makeTestCasesForBlockNotNeedingExtraState_(
+    serializedJson,
+    xmlMutation,
+  ) {
+    return [
+      {
+        title: 'JSON not requiring mutations',
+        json: serializedJson,
+        assertBlockStructure: (block) => {
+          chai.assert.equal(block.type, serializedJson.type);
+        },
+      },
+      {
+        title: 'JSON with XML extra state',
+        json: {
+          ...serializedJson,
+          'extraState': xmlMutation,
+        },
+        expectedJson: serializedJson,
+        assertBlockStructure: (block) => {},
+      },
+    ];
+  }
+
+  suite('ListsSetIndex', function () {
+    /**
+     * Test cases for serialization tests.
+     * @type {Array<SerializationTestCase>}
+     */
+    const testCases = makeTestCasesForBlockNotNeedingExtraState_(
+      {
+        'type': 'lists_setIndex',
+        'id': '1',
+        'fields': {
+          'MODE': 'SET',
+          'WHERE': 'FROM_START',
+        },
+      },
+      '<mutation at="true"></mutation>',
+    );
+    runSerializationTestSuite(testCases);
+  });
+
+  suite('ListsGetSubList', function () {
+    /**
+     * Test cases for serialization tests.
+     * @type {Array<SerializationTestCase>}
+     */
+    const testCases = makeTestCasesForBlockNotNeedingExtraState_(
+      {
+        'type': 'lists_getSublist',
+        'id': '1',
+        'fields': {
+          'WHERE1': 'FROM_START',
+          'WHERE2': 'FROM_START',
+        },
+      },
+      '<mutation at1="true" at2="true"></mutation>',
+    );
+    runSerializationTestSuite(testCases);
+  });
+
+  suite('ListsSplit', function () {
+    /**
+     * Test cases for serialization tests.
+     * @type {Array<SerializationTestCase>}
+     */
+    const testCases = makeTestCasesForBlockNotNeedingExtraState_(
+      {
+        'type': 'lists_split',
+        'id': '1',
+        'fields': {
+          'MODE': 'SPLIT',
+        },
+      },
+      '<mutation mode="SPLIT"></mutation>',
+    );
+    runSerializationTestSuite(testCases);
+  });
+});
diff --git a/tests/mocha/blocks/logic_ternary_test.js b/tests/mocha/blocks/logic_ternary_test.js
new file mode 100644
index 00000000000..2afa51f7aaf
--- /dev/null
+++ b/tests/mocha/blocks/logic_ternary_test.js
@@ -0,0 +1,327 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as eventUtils from '../../../build/src/core/events/utils.js';
+import {runSerializationTestSuite} from '../test_helpers/serialization.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from '../test_helpers/setup_teardown.js';
+
+suite('Logic ternary', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  /**
+   * Asserts that the logic ternary block has the expected inputs and fields.
+   * @param {!Blockly.Block} block The block to check.
+   * @param {boolean=} inputsInline Whether the inputs are expected to be
+   *    inline.
+   */
+  function assertBlockStructure(block, inputsInline = false) {
+    chai.assert.equal(block.type, 'logic_ternary');
+    const inputs = block.inputList;
+    chai.assert.exists(inputs, 'Has inputList');
+    chai.assert.lengthOf(inputs, 3);
+    const ifInput = block.getInput('IF');
+    chai.assert.exists(ifInput, 'Has "IF" input');
+    const checkList = ifInput.connection.getCheck();
+    chai.assert.equal(checkList.length, 1);
+    chai.assert.equal(checkList[0], 'Boolean');
+    chai.assert.exists(block.onchangeWrapper_, 'Has onchange handler');
+    if (inputsInline) {
+      chai.assert.isTrue(block.inputsInline);
+    } else {
+      // inputsInline can be undefined
+      chai.assert.isNotTrue(block.inputsInline);
+    }
+  }
+
+  test('Structure', function () {
+    const block = this.workspace.newBlock('logic_ternary');
+    assertBlockStructure(block);
+  });
+
+  /**
+   * Test cases for serialization tests.
+   * @type {Array<SerializationTestCase>}
+   */
+  const testCases = [
+    {
+      title: 'Empty XML',
+      xml: '<block type="logic_ternary"/>',
+      expectedXml:
+        '<block xmlns="https://developers.google.com/blockly/xml" ' +
+        'type="logic_ternary" id="1"></block>',
+      assertBlockStructure: (block) => {
+        assertBlockStructure(block);
+      },
+    },
+    {
+      title: 'Inputs inline',
+      xml:
+        '<block xmlns="https://developers.google.com/blockly/xml" ' +
+        'type="logic_ternary" id="1" inline="true"></block>',
+      assertBlockStructure: (block) => {
+        assertBlockStructure(block, true);
+      },
+    },
+  ];
+  runSerializationTestSuite(testCases);
+
+  suite('Connections', function () {
+    function connectParentAndCheckConnections(
+      block,
+      parent,
+      parentInputName,
+      opt_thenInput,
+      opt_elseInput,
+    ) {
+      parent
+        .getInput(parentInputName)
+        .connection.connect(block.outputConnection);
+      eventUtils.TEST_ONLY.fireNow(); // Force synchronous onchange() call.
+      chai.assert.equal(
+        block.getParent(),
+        parent,
+        'Successful connection to parent',
+      );
+      if (opt_thenInput) {
+        chai.assert.equal(
+          opt_thenInput.getParent(),
+          block,
+          'Input THEN still connected after connecting parent',
+        );
+      }
+      if (opt_elseInput) {
+        chai.assert.equal(
+          opt_elseInput.getParent(),
+          block,
+          'Input ELSE still connected after connecting parent',
+        );
+      }
+    }
+    function connectThenInputAndCheckConnections(
+      block,
+      thenInput,
+      opt_elseInput,
+      opt_parent,
+    ) {
+      block.getInput('THEN').connection.connect(thenInput.outputConnection);
+      eventUtils.TEST_ONLY.fireNow(); // Force synchronous onchange() call.
+      chai.assert.equal(thenInput.getParent(), block, 'THEN is connected');
+      if (opt_parent) {
+        chai.assert.equal(
+          block.getParent(),
+          opt_parent,
+          'Still connected to parent after connecting THEN',
+        );
+      }
+      if (opt_elseInput) {
+        chai.assert.equal(
+          opt_elseInput.getParent(),
+          block,
+          'Input ELSE still connected after connecting THEN',
+        );
+      }
+    }
+    function connectElseInputAndCheckConnections(
+      block,
+      elseInput,
+      opt_thenInput,
+      opt_parent,
+    ) {
+      block.getInput('ELSE').connection.connect(elseInput.outputConnection);
+      eventUtils.TEST_ONLY.fireNow(); // Force synchronous onchange() call.
+      chai.assert.equal(elseInput.getParent(), block, 'ELSE is connected');
+      if (opt_parent) {
+        chai.assert.equal(
+          block.getParent(),
+          opt_parent,
+          'Still connected to parent after connecting ELSE',
+        );
+      }
+      if (opt_thenInput) {
+        chai.assert.equal(
+          opt_thenInput.getParent(),
+          block,
+          'Input THEN still connected after connecting ELSE',
+        );
+      }
+    }
+    function connectInputsAndCheckConnections(
+      block,
+      thenInput,
+      elseInput,
+      opt_parent,
+    ) {
+      connectThenInputAndCheckConnections(block, thenInput, null, opt_parent);
+      connectElseInputAndCheckConnections(
+        block,
+        elseInput,
+        thenInput,
+        opt_parent,
+      );
+    }
+    setup(function () {
+      this.block = this.workspace.newBlock('logic_ternary');
+    });
+    suite('No parent', function () {
+      test('Attach inputs same type', function () {
+        const string1 = this.workspace.newBlock('text');
+        const string2 = this.workspace.newBlock('text_charAt');
+
+        connectInputsAndCheckConnections(this.block, string1, string2);
+      });
+      test('Attach inputs different types', function () {
+        const string = this.workspace.newBlock('text');
+        const number = this.workspace.newBlock('math_number');
+
+        connectInputsAndCheckConnections(this.block, string, number);
+      });
+    });
+    suite('With parent already attached', function () {
+      test('Attach inputs same type with matching parent', function () {
+        const parent = this.workspace.newBlock('text_trim');
+
+        connectParentAndCheckConnections(this.block, parent, 'TEXT');
+
+        const string1 = this.workspace.newBlock('text');
+        const string2 = this.workspace.newBlock('text_charAt');
+
+        connectInputsAndCheckConnections(this.block, string1, string2, parent);
+      });
+      test('Attach inputs different types with unchecked parent', function () {
+        const parent = this.workspace.newBlock('text_print');
+
+        connectParentAndCheckConnections(this.block, parent, 'TEXT');
+
+        const string = this.workspace.newBlock('text');
+        const number = this.workspace.newBlock('math_number');
+
+        connectInputsAndCheckConnections(this.block, string, number, parent);
+      });
+      test('Attach inputs different types with permissive parent', function () {
+        const parent = this.workspace.newBlock('text_length'); // Allows String or Array
+
+        connectParentAndCheckConnections(this.block, parent, 'VALUE');
+
+        const string = this.workspace.newBlock('text');
+        const array = this.workspace.newBlock('lists_create_empty');
+
+        connectInputsAndCheckConnections(this.block, string, array, parent);
+      });
+      test('Attach mismatch type to then causes break with parent', function () {
+        const parent = this.workspace.newBlock('text_length'); // Allows String or Array
+
+        connectParentAndCheckConnections(this.block, parent, 'VALUE');
+
+        const string = this.workspace.newBlock('text');
+        const number = this.workspace.newBlock('math_number');
+
+        connectElseInputAndCheckConnections(this.block, string, null, parent);
+
+        // Adding mismatching number.
+        connectThenInputAndCheckConnections(this.block, number, string);
+        chai.assert.equal(
+          this.block.getRootBlock(),
+          this.block,
+          'Disconnected from parent',
+        );
+      });
+      test('Attach mismatch type to else causes break with parent', function () {
+        const parent = this.workspace.newBlock('text_length'); // Allows String or Array
+
+        connectParentAndCheckConnections(this.block, parent, 'VALUE');
+
+        const string = this.workspace.newBlock('text');
+        const number = this.workspace.newBlock('math_number');
+
+        connectThenInputAndCheckConnections(this.block, string, null, parent);
+
+        // Adding mismatching number.
+        connectElseInputAndCheckConnections(this.block, number, string);
+        chai.assert.equal(
+          this.block.getRootBlock(),
+          this.block,
+          'Disconnected from parent',
+        );
+      });
+    });
+    suite('Attaching parent after inputs', function () {
+      test('Unchecked parent with inputs different types', function () {
+        const string = this.workspace.newBlock('text');
+        const number = this.workspace.newBlock('math_number');
+
+        connectInputsAndCheckConnections(this.block, string, number);
+
+        const parent = this.workspace.newBlock('text_print');
+        connectParentAndCheckConnections(
+          this.block,
+          parent,
+          'TEXT',
+          string,
+          number,
+        );
+      });
+      test('Permissive parent with inputs different types', function () {
+        const string = this.workspace.newBlock('text');
+        const array = this.workspace.newBlock('lists_create_empty');
+
+        connectInputsAndCheckConnections(this.block, string, array);
+
+        const parent = this.workspace.newBlock('text_print');
+        connectParentAndCheckConnections(
+          this.block,
+          parent,
+          'TEXT',
+          string,
+          array,
+        );
+      });
+      test('Mismatch with then causes break with then', function () {
+        const number = this.workspace.newBlock('math_number');
+        const string = this.workspace.newBlock('text');
+
+        connectInputsAndCheckConnections(this.block, number, string);
+
+        const parent = this.workspace.newBlock('text_trim');
+        connectParentAndCheckConnections(
+          this.block,
+          parent,
+          'TEXT',
+          null,
+          string,
+        );
+        chai.assert.equal(
+          number.getRootBlock(),
+          number,
+          'Input THEN disconnected',
+        );
+      });
+      test('Mismatch with else causes break with else', function () {
+        const string = this.workspace.newBlock('text');
+        const number = this.workspace.newBlock('math_number');
+
+        connectInputsAndCheckConnections(this.block, string, number);
+
+        const parent = this.workspace.newBlock('text_trim');
+        connectParentAndCheckConnections(this.block, parent, 'TEXT', string);
+        chai.assert.equal(
+          number.getRootBlock(),
+          number,
+          'Input ELSE disconnected',
+        );
+      });
+    });
+  });
+});
diff --git a/tests/mocha/blocks/loops_test.js b/tests/mocha/blocks/loops_test.js
new file mode 100644
index 00000000000..3bbfdac1084
--- /dev/null
+++ b/tests/mocha/blocks/loops_test.js
@@ -0,0 +1,55 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as Blockly from '../../../build/src/core/blockly.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from '../test_helpers/setup_teardown.js';
+
+suite('Loops', function () {
+  setup(function () {
+    sharedTestSetup.call(this, {fireEventsNow: false});
+    this.workspace = Blockly.inject('blocklyDiv', {});
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('controls_flow_statements blocks', function () {
+    test('break block is invalid outside of loop block', function () {
+      const breakBlock = Blockly.serialization.blocks.append(
+        {'type': 'controls_flow_statements'},
+        this.workspace,
+      );
+      this.clock.runAll();
+      chai.assert.isFalse(
+        breakBlock.isEnabled(),
+        'Expected the break block to be disabled',
+      );
+    });
+
+    test('break block is valid inside of loop block', function () {
+      const loopBlock = Blockly.serialization.blocks.append(
+        {'type': 'controls_repeat'},
+        this.workspace,
+      );
+      const breakBlock = Blockly.serialization.blocks.append(
+        {'type': 'controls_flow_statements'},
+        this.workspace,
+      );
+      loopBlock
+        .getInput('DO')
+        .connection.connect(breakBlock.previousConnection);
+      this.clock.runAll();
+      chai.assert.isTrue(
+        breakBlock.isEnabled(),
+        'Expected the break block to be enabled',
+      );
+    });
+  });
+});
diff --git a/tests/mocha/blocks/procedures_test.js b/tests/mocha/blocks/procedures_test.js
new file mode 100644
index 00000000000..109d3b2d4eb
--- /dev/null
+++ b/tests/mocha/blocks/procedures_test.js
@@ -0,0 +1,2501 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as Blockly from '../../../build/src/core/blockly.js';
+import {
+  assertCallBlockStructure,
+  assertDefBlockStructure,
+  createProcDefBlock,
+  createProcCallBlock,
+  MockProcedureModel,
+} from '../test_helpers/procedures.js';
+import {runSerializationTestSuite} from '../test_helpers/serialization.js';
+import {
+  createGenUidStubWithReturns,
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from '../test_helpers/setup_teardown.js';
+import {defineRowBlock} from '../test_helpers/block_definitions.js';
+
+suite('Procedures', function () {
+  setup(function () {
+    sharedTestSetup.call(this, {fireEventsNow: false});
+    this.workspace = Blockly.inject('blocklyDiv', {});
+    this.workspace.createVariable('preCreatedVar', '', 'preCreatedVarId');
+    this.workspace.createVariable(
+      'preCreatedTypedVar',
+      'type',
+      'preCreatedTypedVarId',
+    );
+    defineRowBlock();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('renaming procedures', function () {
+    test('callers are updated to have the new name', function () {
+      const defBlock = createProcDefBlock(this.workspace);
+      const callBlock = createProcCallBlock(this.workspace);
+
+      defBlock.setFieldValue('new name', 'NAME');
+
+      chai.assert.equal(
+        callBlock.getFieldValue('NAME'),
+        'new name',
+        'Expected the procedure block to be renamed',
+      );
+    });
+
+    test(
+      'setting an illegal name results in both the ' +
+        'procedure and the caller getting the legal name',
+      function () {
+        createProcDefBlock(this.workspace, undefined, undefined, 'procA');
+        const defBlockB = createProcDefBlock(
+          this.workspace,
+          undefined,
+          undefined,
+          'procB',
+        );
+        const callBlockB = createProcCallBlock(
+          this.workspace,
+          undefined,
+          'procB',
+        );
+
+        defBlockB.setFieldValue('procA', 'NAME');
+
+        chai.assert.notEqual(
+          defBlockB.getFieldValue('NAME'),
+          'procA',
+          'Expected the procedure def block to have a legal name',
+        );
+        chai.assert.notEqual(
+          callBlockB.getFieldValue('NAME'),
+          'procA',
+          'Expected the procedure call block to have a legal name',
+        );
+      },
+    );
+  });
+
+  suite('adding procedure parameters', function () {
+    test('the mutator flyout updates to avoid parameter name conflicts', async function () {
+      const defBlock = createProcDefBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const origFlyoutParamName = mutatorWorkspace
+        .getFlyout()
+        .getWorkspace()
+        .getTopBlocks(true)[0]
+        .getFieldValue('NAME');
+      Blockly.serialization.blocks.append(
+        {
+          'type': 'procedures_mutatorarg',
+          'fields': {
+            'NAME': origFlyoutParamName,
+          },
+        },
+        mutatorWorkspace,
+      );
+      this.clock.runAll();
+
+      const newFlyoutParamName = mutatorWorkspace
+        .getFlyout()
+        .getWorkspace()
+        .getTopBlocks(true)[0]
+        .getFieldValue('NAME');
+      chai.assert.notEqual(
+        newFlyoutParamName,
+        origFlyoutParamName,
+        'Expected the flyout param to have updated to not conflict',
+      );
+    });
+
+    test('adding a parameter to the procedure updates procedure defs', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+
+      chai.assert.isNotNull(
+        defBlock.getField('PARAMS'),
+        'Expected the params field to exist',
+      );
+      chai.assert.isTrue(
+        defBlock.getFieldValue('PARAMS').includes('param1'),
+        'Expected the params field to contain the name of the new param',
+      );
+    });
+
+    test('adding a parameter to the procedure updates procedure callers', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const callBlock = createProcCallBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+
+      chai.assert.isNotNull(
+        callBlock.getInput('ARG0'),
+        'Expected the param input to exist',
+      );
+      chai.assert.equal(
+        callBlock.getFieldValue('ARGNAME0'),
+        'param1',
+        'Expected the params field to match the name of the new param',
+      );
+    });
+
+    test('undoing adding a procedure parameter removes it', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+
+      this.workspace.undo();
+
+      chai.assert.isFalse(
+        defBlock.getFieldValue('PARAMS').includes('param1'),
+        'Expected the params field to not contain the name of the new param',
+      );
+    });
+
+    test(
+      'undoing and redoing adding a procedure parameter maintains ' +
+        'the same state',
+      async function () {
+        // Create a stack of container, parameter.
+        const defBlock = createProcDefBlock(this.workspace);
+        const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+        await mutatorIcon.setBubbleVisible(true);
+        const mutatorWorkspace = mutatorIcon.getWorkspace();
+        const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+        const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+        paramBlock.setFieldValue('param1', 'NAME');
+        containerBlock
+          .getInput('STACK')
+          .connection.connect(paramBlock.previousConnection);
+        this.clock.runAll();
+
+        this.workspace.undo();
+        this.workspace.undo(/* redo= */ true);
+
+        chai.assert.isNotNull(
+          defBlock.getField('PARAMS'),
+          'Expected the params field to exist',
+        );
+        chai.assert.isTrue(
+          defBlock.getFieldValue('PARAMS').includes('param1'),
+          'Expected the params field to contain the name of the new param',
+        );
+      },
+    );
+  });
+
+  suite('deleting procedure parameters', function () {
+    test('deleting a parameter from the procedure updates procedure defs', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+
+      paramBlock.checkAndDelete();
+      this.clock.runAll();
+
+      chai.assert.isFalse(
+        defBlock.getFieldValue('PARAMS').includes('param1'),
+        'Expected the params field to not contain the name of the new param',
+      );
+    });
+
+    test('deleting a parameter from the procedure udpates procedure callers', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const callBlock = createProcCallBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+
+      paramBlock.checkAndDelete();
+      this.clock.runAll();
+
+      chai.assert.isNull(
+        callBlock.getInput('ARG0'),
+        'Expected the param input to not exist',
+      );
+    });
+
+    test('undoing deleting a procedure parameter adds it', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+      paramBlock.checkAndDelete();
+      this.clock.runAll();
+
+      this.workspace.undo();
+
+      chai.assert.isTrue(
+        defBlock.getFieldValue('PARAMS').includes('param1'),
+        'Expected the params field to contain the name of the new param',
+      );
+    });
+
+    test(
+      'undoing and redoing deleting a procedure parameter maintains ' +
+        'the same state',
+      async function () {
+        // Create a stack of container, parameter.
+        const defBlock = createProcDefBlock(this.workspace);
+        const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+        await mutatorIcon.setBubbleVisible(true);
+        const mutatorWorkspace = mutatorIcon.getWorkspace();
+        const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+        const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+        paramBlock.setFieldValue('param1', 'NAME');
+        containerBlock
+          .getInput('STACK')
+          .connection.connect(paramBlock.previousConnection);
+        this.clock.runAll();
+        paramBlock.checkAndDelete();
+        this.clock.runAll();
+
+        this.workspace.undo();
+        this.workspace.undo(/* redo= */ true);
+
+        chai.assert.isFalse(
+          defBlock.getFieldValue('PARAMS').includes('param1'),
+          'Expected the params field to not contain the name of the new param',
+        );
+      },
+    );
+  });
+
+  suite('renaming procedure parameters', function () {
+    test('defs are updated for parameter renames', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+
+      paramBlock.setFieldValue('new name', 'NAME');
+      this.clock.runAll();
+
+      chai.assert.isNotNull(
+        defBlock.getField('PARAMS'),
+        'Expected the params field to exist',
+      );
+      chai.assert.isTrue(
+        defBlock.getFieldValue('PARAMS').includes('new name'),
+        'Expected the params field to contain the new name of the param',
+      );
+    });
+
+    test('defs are updated for parameter renames when two params exist', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock1 = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock1.setFieldValue('param1', 'NAME');
+      const paramBlock2 = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock2.setFieldValue('param2', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock1.previousConnection);
+      paramBlock1.nextConnection.connect(paramBlock2.previousConnection);
+      this.clock.runAll();
+
+      paramBlock1.setFieldValue('new name', 'NAME');
+      this.clock.runAll();
+
+      chai.assert.isNotNull(
+        defBlock.getField('PARAMS'),
+        'Expected the params field to exist',
+      );
+      chai.assert.isTrue(
+        defBlock.getFieldValue('PARAMS').includes('new name'),
+        'Expected the params field to contain the new name of the param',
+      );
+    });
+
+    test('callers are updated for parameter renames', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const callBlock = createProcCallBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+
+      paramBlock.setFieldValue('new name', 'NAME');
+      this.clock.runAll();
+
+      chai.assert.isNotNull(
+        callBlock.getInput('ARG0'),
+        'Expected the param input to exist',
+      );
+      chai.assert.equal(
+        callBlock.getFieldValue('ARGNAME0'),
+        'new name',
+        'Expected the params field to match the name of the new param',
+      );
+    });
+
+    test('variables associated with procedure parameters are not renamed', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const callBlock = createProcCallBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+
+      paramBlock.setFieldValue('param2', 'NAME');
+      this.clock.runAll();
+
+      chai.assert.isNotNull(
+        this.workspace.getVariable('param1', ''),
+        'Expected the old variable to continue to exist',
+      );
+    });
+
+    test('renaming a variable associated with a parameter updates procedure defs', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+      mutatorIcon.setBubbleVisible(false);
+
+      const variable = this.workspace.getVariable('param1', '');
+      this.workspace.renameVariableById(variable.getId(), 'new name');
+
+      chai.assert.isNotNull(
+        defBlock.getField('PARAMS'),
+        'Expected the params field to exist',
+      );
+      chai.assert.isTrue(
+        defBlock.getFieldValue('PARAMS').includes('new name'),
+        'Expected the params field to contain the new name of the param',
+      );
+    });
+
+    test('renaming a variable associated with a parameter updates mutator parameters', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+
+      const variable = this.workspace.getVariable('param1', '');
+      this.workspace.renameVariableById(variable.getId(), 'new name');
+
+      chai.assert.equal(
+        paramBlock.getFieldValue('NAME'),
+        'new name',
+        'Expected the params field to contain the new name of the param',
+      );
+    });
+
+    test('renaming a variable associated with a parameter updates procedure callers', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const callBlock = createProcCallBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+      mutatorIcon.setBubbleVisible(false);
+
+      const variable = this.workspace.getVariable('param1', '');
+      this.workspace.renameVariableById(variable.getId(), 'new name');
+
+      chai.assert.isNotNull(
+        callBlock.getInput('ARG0'),
+        'Expected the param input to exist',
+      );
+      chai.assert.equal(
+        callBlock.getFieldValue('ARGNAME0'),
+        'new name',
+        'Expected the params field to match the name of the new param',
+      );
+    });
+
+    test('coalescing a variable associated with a parameter updates procedure defs', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+      mutatorIcon.setBubbleVisible(false);
+
+      const variable = this.workspace.getVariable('param1', '');
+      this.workspace.renameVariableById(variable.getId(), 'preCreatedVar');
+
+      chai.assert.isNotNull(
+        defBlock.getField('PARAMS'),
+        'Expected the params field to exist',
+      );
+      chai.assert.isTrue(
+        defBlock.getFieldValue('PARAMS').includes('preCreatedVar'),
+        'Expected the params field to contain the new name of the param',
+      );
+    });
+
+    test('coalescing a variable associated with a parameter updates mutator parameters', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+
+      const variable = this.workspace.getVariable('param1', '');
+      this.workspace.renameVariableById(variable.getId(), 'preCreatedVar');
+
+      chai.assert.equal(
+        paramBlock.getFieldValue('NAME'),
+        'preCreatedVar',
+        'Expected the params field to contain the new name of the param',
+      );
+    });
+
+    test('coalescing a variable associated with a parameter updates procedure callers', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const callBlock = createProcCallBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+      mutatorIcon.setBubbleVisible(false);
+
+      const variable = this.workspace.getVariable('param1', '');
+      this.workspace.renameVariableById(variable.getId(), 'preCreatedVar');
+
+      chai.assert.isNotNull(
+        callBlock.getInput('ARG0'),
+        'Expected the param input to exist',
+      );
+      chai.assert.equal(
+        callBlock.getFieldValue('ARGNAME0'),
+        'preCreatedVar',
+        'Expected the params field to match the name of the new param',
+      );
+    });
+
+    test.skip(
+      'renaming a variable such that you get a parameter ' +
+        'conflict does... something!',
+      function () {},
+    );
+
+    test('undoing renaming a procedure parameter reverts the change', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+      Blockly.Events.setGroup(true);
+      paramBlock.setFieldValue('n', 'NAME');
+      this.clock.runAll();
+      paramBlock.setFieldValue('ne', 'NAME');
+      this.clock.runAll();
+      paramBlock.setFieldValue('new', 'NAME');
+      this.clock.runAll();
+      Blockly.Events.setGroup(false);
+
+      this.workspace.undo();
+      this.clock.runAll();
+
+      chai.assert.isTrue(
+        defBlock.getFieldValue('PARAMS').includes('param1'),
+        'Expected the params field to contain the old name of the param',
+      );
+    });
+
+    test('undoing and redoing renaming a procedure maintains the same state', async function () {
+      // Create a stack of container, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock.setFieldValue('param1', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock.previousConnection);
+      this.clock.runAll();
+      Blockly.Events.setGroup(true);
+      paramBlock.setFieldValue('n', 'NAME');
+      this.clock.runAll();
+      paramBlock.setFieldValue('ne', 'NAME');
+      this.clock.runAll();
+      paramBlock.setFieldValue('new', 'NAME');
+      this.clock.runAll();
+      Blockly.Events.setGroup(false);
+
+      this.workspace.undo();
+      this.workspace.undo(/* redo= */ true);
+
+      chai.assert.isTrue(
+        defBlock.getFieldValue('PARAMS').includes('new'),
+        'Expected the params field to contain the new name of the param',
+      );
+    });
+  });
+
+  suite('reordering procedure parameters', function () {
+    test('reordering procedure parameters updates procedure blocks', async function () {
+      // Create a stack of container, parameter, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock1 = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock1.setFieldValue('param1', 'NAME');
+      const paramBlock2 = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock2.setFieldValue('param2', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock1.previousConnection);
+      paramBlock1.nextConnection.connect(paramBlock2.previousConnection);
+      this.clock.runAll();
+
+      // Reorder the parameters.
+      paramBlock2.previousConnection.disconnect();
+      paramBlock1.previousConnection.disconnect();
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock2.previousConnection);
+      paramBlock2.nextConnection.connect(paramBlock1.previousConnection);
+      this.clock.runAll();
+
+      chai.assert.isNotNull(
+        defBlock.getField('PARAMS'),
+        'Expected the params field to exist',
+      );
+      chai.assert.isTrue(
+        defBlock.getFieldValue('PARAMS').includes('param2, param1'),
+        'Expected the params field order to match the parameter order',
+      );
+    });
+
+    test('reordering procedure parameters updates caller blocks', async function () {
+      // Create a stack of container, parameter, parameter.
+      const defBlock = createProcDefBlock(this.workspace);
+      const callBlock = createProcCallBlock(this.workspace);
+      const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await mutatorIcon.setBubbleVisible(true);
+      const mutatorWorkspace = mutatorIcon.getWorkspace();
+      const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+      const paramBlock1 = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock1.setFieldValue('param1', 'NAME');
+      const paramBlock2 = mutatorWorkspace.newBlock('procedures_mutatorarg');
+      paramBlock2.setFieldValue('param2', 'NAME');
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock1.previousConnection);
+      paramBlock1.nextConnection.connect(paramBlock2.previousConnection);
+      this.clock.runAll();
+
+      // Reorder the parameters.
+      paramBlock2.previousConnection.disconnect();
+      paramBlock1.previousConnection.disconnect();
+      containerBlock
+        .getInput('STACK')
+        .connection.connect(paramBlock2.previousConnection);
+      paramBlock2.nextConnection.connect(paramBlock1.previousConnection);
+      this.clock.runAll();
+
+      chai.assert.isNotNull(
+        callBlock.getInput('ARG0'),
+        'Expected the param input to exist',
+      );
+      chai.assert.equal(
+        callBlock.getFieldValue('ARGNAME0'),
+        'param2',
+        'Expected the params field to match the name of the second param',
+      );
+      chai.assert.isNotNull(
+        callBlock.getInput('ARG1'),
+        'Expected the param input to exist',
+      );
+      chai.assert.equal(
+        callBlock.getFieldValue('ARGNAME1'),
+        'param1',
+        'Expected the params field to match the name of the first param',
+      );
+    });
+
+    test(
+      'reordering procedure parameters reorders the blocks ' +
+        'attached to caller inputs',
+      async function () {
+        // Create a stack of container, parameter, parameter.
+        const defBlock = createProcDefBlock(this.workspace);
+        const callBlock = createProcCallBlock(this.workspace);
+        const mutatorIcon = defBlock.getIcon(Blockly.icons.MutatorIcon.TYPE);
+        await mutatorIcon.setBubbleVisible(true);
+        const mutatorWorkspace = mutatorIcon.getWorkspace();
+        const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+        const paramBlock1 = mutatorWorkspace.newBlock('procedures_mutatorarg');
+        paramBlock1.setFieldValue('param1', 'NAME');
+        const paramBlock2 = mutatorWorkspace.newBlock('procedures_mutatorarg');
+        paramBlock2.setFieldValue('param2', 'NAME');
+        containerBlock
+          .getInput('STACK')
+          .connection.connect(paramBlock1.previousConnection);
+        paramBlock1.nextConnection.connect(paramBlock2.previousConnection);
+        this.clock.runAll();
+
+        // Add args to the parameter inputs on the caller.
+        const block1 = this.workspace.newBlock('text');
+        const block2 = this.workspace.newBlock('text');
+        callBlock.getInput('ARG0').connection.connect(block1.outputConnection);
+        callBlock.getInput('ARG1').connection.connect(block2.outputConnection);
+
+        // Reorder the parameters.
+        paramBlock2.previousConnection.disconnect();
+        paramBlock1.previousConnection.disconnect();
+        containerBlock
+          .getInput('STACK')
+          .connection.connect(paramBlock2.previousConnection);
+        paramBlock2.nextConnection.connect(paramBlock1.previousConnection);
+        this.clock.runAll();
+
+        chai.assert.equal(
+          callBlock.getInputTargetBlock('ARG0'),
+          block2,
+          'Expected the second block to be in the first slot',
+        );
+        chai.assert.equal(
+          callBlock.getInputTargetBlock('ARG1'),
+          block1,
+          'Expected the first block to be in the second slot',
+        );
+      },
+    );
+  });
+
+  suite('enabling and disabling procedure blocks', function () {
+    test(
+      'if a procedure definition is disabled, the procedure caller ' +
+        'is also disabled',
+      function () {
+        const defBlock = createProcDefBlock(this.workspace);
+        const callBlock = createProcCallBlock(this.workspace);
+
+        defBlock.setDisabledReason(true, 'MANUALLY_DISABLED');
+        this.clock.runAll();
+
+        chai.assert.isFalse(
+          callBlock.isEnabled(),
+          'Expected the caller block to be disabled',
+        );
+      },
+    );
+
+    test(
+      'if a procedure definition is invalid, the procedure caller ' +
+        'is also invalid',
+      function () {
+        const defBlock = createProcDefBlock(this.workspace);
+        const callBlock = createProcCallBlock(this.workspace);
+
+        defBlock.setDisabledReason(true, 'test reason');
+        this.clock.runAll();
+
+        chai.assert.isFalse(
+          callBlock.isEnabled(),
+          'Expected the caller block to be invalid',
+        );
+      },
+    );
+
+    test(
+      'if a procedure definition is enabled, the procedure caller ' +
+        'is also enabled',
+      function () {
+        const defBlock = createProcDefBlock(this.workspace);
+        const callBlock = createProcCallBlock(this.workspace);
+        defBlock.setDisabledReason(true, 'MANUALLY_DISABLED');
+        this.clock.runAll();
+
+        defBlock.setDisabledReason(false, 'MANUALLY_DISABLED');
+        this.clock.runAll();
+
+        chai.assert.isTrue(
+          callBlock.isEnabled(),
+          'Expected the caller block to be enabled',
+        );
+      },
+    );
+
+    test(
+      'if a procedure caller block was already disabled before ' +
+        'its definition was disabled, it is not reenabled',
+      function () {
+        const defBlock = createProcDefBlock(this.workspace);
+        const callBlock = createProcCallBlock(this.workspace);
+        this.clock.runAll();
+        callBlock.setDisabledReason(true, 'MANUALLY_DISABLED');
+        this.clock.runAll();
+        defBlock.setDisabledReason(true, 'MANUALLY_DISABLED');
+        this.clock.runAll();
+
+        defBlock.setDisabledReason(false, 'MANUALLY_DISABLED');
+        this.clock.runAll();
+
+        chai.assert.isFalse(
+          callBlock.isEnabled(),
+          'Expected the caller block to continue to be disabled',
+        );
+      },
+    );
+  });
+
+  suite('procedures_ifreturn blocks', function () {
+    test('ifreturn block is invalid outside of def block', function () {
+      const ifreturnBlock = Blockly.serialization.blocks.append(
+        {'type': 'procedures_ifreturn'},
+        this.workspace,
+      );
+      this.clock.runAll();
+      chai.assert.isFalse(
+        ifreturnBlock.isEnabled(),
+        'Expected the ifreturn block to be invalid',
+      );
+    });
+
+    test('ifreturn block is valid inside of def block', function () {
+      const defBlock = createProcDefBlock(this.workspace);
+      const ifreturnBlock = Blockly.serialization.blocks.append(
+        {'type': 'procedures_ifreturn'},
+        this.workspace,
+      );
+      defBlock
+        .getInput('STACK')
+        .connection.connect(ifreturnBlock.previousConnection);
+      this.clock.runAll();
+      chai.assert.isTrue(
+        ifreturnBlock.isEnabled(),
+        'Expected the ifreturn block to be valid',
+      );
+    });
+  });
+
+  suite('deleting procedure blocks', function () {
+    test(
+      'when the procedure definition block is deleted, all of its ' +
+        'associated callers are deleted as well',
+      function () {
+        const defBlock = createProcDefBlock(this.workspace);
+        const callBlock1 = createProcCallBlock(this.workspace);
+        const callBlock2 = createProcCallBlock(this.workspace);
+
+        this.clock.runAll();
+        defBlock.dispose();
+        this.clock.runAll();
+
+        chai.assert.isTrue(
+          callBlock1.disposed,
+          'Expected the first caller to be disposed',
+        );
+        chai.assert.isTrue(
+          callBlock2.disposed,
+          'Expected the second caller to be disposed',
+        );
+      },
+    );
+  });
+
+  suite('caller blocks creating new def blocks', function () {
+    setup(function () {
+      this.TEST_VAR_ID = 'test-id';
+      this.genUidStub = createGenUidStubWithReturns(this.TEST_VAR_ID);
+    });
+
+    suite('xml', function () {
+      test('callers without defs create new defs', function () {
+        const callBlock = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(`
+            <block type="procedures_callreturn">
+              <mutation name="do something"/>
+            </block>`),
+          this.workspace,
+        );
+        this.clock.runAll();
+        assertDefBlockStructure(
+          this.workspace.getBlocksByType('procedures_defreturn')[0],
+          true,
+        );
+        assertCallBlockStructure(callBlock, [], [], 'do something');
+      });
+
+      test('callers without mutations create unnamed defs', function () {
+        const callBlock = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(
+            '<block type="procedures_callreturn"></block>',
+          ),
+          this.workspace,
+        );
+        this.clock.runAll();
+        assertDefBlockStructure(
+          this.workspace.getBlocksByType('procedures_defreturn')[0],
+          true,
+        );
+        assertCallBlockStructure(callBlock, [], [], 'unnamed');
+      });
+
+      test('callers with missing args create new defs', function () {
+        const defBlock = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(`
+            <block type="procedures_defreturn">
+              <field name="NAME">do something</field>
+              <mutation>
+                <arg name="x" varid="arg"></arg>
+              </mutation>
+            </block>
+        `),
+          this.workspace,
+        );
+        const callBlock = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(
+            '<block type="procedures_callreturn">' +
+              '  <mutation name="do something"/>' +
+              '</block>',
+          ),
+          this.workspace,
+        );
+        this.clock.runAll();
+        assertDefBlockStructure(defBlock, true, ['x'], ['arg']);
+        assertCallBlockStructure(callBlock, [], [], 'do something2');
+      });
+
+      test('callers with mismatched args create new defs', function () {
+        const defBlock = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(`
+            <block type="procedures_defreturn">
+              <field name="NAME">do something</field>
+              <mutation>
+                <arg name="x" varid="arg"></arg>
+              </mutation>
+            </block>
+        `),
+          this.workspace,
+        );
+        const callBlock = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(`
+            <block type="procedures_callreturn">
+              <mutation name="do something">
+                <arg name="y"></arg>
+              </mutation>
+            </block>
+        `),
+          this.workspace,
+        );
+        this.clock.runAll();
+        assertDefBlockStructure(defBlock, true, ['x'], ['arg']);
+        assertCallBlockStructure(
+          callBlock,
+          ['y'],
+          [this.TEST_VAR_ID],
+          'do something2',
+        );
+      });
+
+      test.skip('callers whose defs are deserialized later do not create defs', function () {
+        Blockly.Xml.domToWorkspace(
+          Blockly.utils.xml.textToDom(`
+                <xml>
+                  <block type="procedures_callreturn">
+                    <mutation name="do something">
+                      <arg name="x"></arg>
+                    </mutation>
+                  </block>
+                  <block type="procedures_defreturn">
+                    <field name="NAME">do something</field>
+                    <mutation>
+                      <arg name="x" varid="arg"></arg>
+                    </mutation>
+                  </block>
+                </xml>
+            `),
+          this.workspace,
+        );
+        this.clock.runAll();
+        const defBlock = this.workspace.getBlocksByType(
+          'procedures_defreturn',
+        )[0];
+        const callBlock = this.workspace.getBlocksByType(
+          'procedures_callreturn',
+        )[0];
+        // TODO: Currently the callers are creating variables with different
+        //   IDs than those serialized to XML, so these assertions fail.
+        assertDefBlockStructure(defBlock, true, ['x'], ['arg']);
+        assertCallBlockStructure(callBlock, ['x'], ['arg'], 'do something');
+      });
+    });
+
+    suite('json', function () {
+      test('callers without defs create new defs', function () {
+        const callBlock = Blockly.serialization.blocks.append(
+          {
+            'type': 'procedures_callreturn',
+            'extraState': {
+              'name': 'do something',
+            },
+          },
+          this.workspace,
+          {recordUndo: true},
+        );
+        this.clock.runAll();
+        assertDefBlockStructure(
+          this.workspace.getBlocksByType('procedures_defreturn')[0],
+          true,
+        );
+        assertCallBlockStructure(callBlock, [], [], 'do something');
+      });
+
+      test('callers without extra state create unamed defs', function () {
+        // recordUndo must be true to trigger change listener.
+        const callBlock = Blockly.serialization.blocks.append(
+          {
+            'type': 'procedures_callreturn',
+          },
+          this.workspace,
+          {recordUndo: true},
+        );
+        this.clock.runAll();
+        assertDefBlockStructure(
+          this.workspace.getBlocksByType('procedures_defreturn')[0],
+          true,
+        );
+        assertCallBlockStructure(callBlock, [], [], 'unnamed');
+      });
+
+      test('callers with missing args create new defs', function () {
+        const defBlock = Blockly.serialization.blocks.append(
+          {
+            'type': 'procedures_defreturn',
+            'fields': {
+              'NAME': 'do something',
+            },
+            'extraState': {
+              'params': [
+                {
+                  'name': 'x',
+                  'id': 'arg',
+                },
+              ],
+            },
+          },
+          this.workspace,
+        );
+        const callBlock = Blockly.serialization.blocks.append(
+          {
+            'type': 'procedures_callreturn',
+            'extraState': {
+              'name': 'do something',
+            },
+          },
+          this.workspace,
+          {recordUndo: true},
+        );
+        this.clock.runAll();
+        assertDefBlockStructure(defBlock, true, ['x'], ['arg']);
+        assertCallBlockStructure(callBlock, [], [], 'do something2');
+      });
+
+      test('callers with mismatched args create new defs', function () {
+        const defBlock = Blockly.serialization.blocks.append(
+          {
+            'type': 'procedures_defreturn',
+            'fields': {
+              'NAME': 'do something',
+            },
+            'extraState': {
+              'params': [
+                {
+                  'name': 'x',
+                  'id': 'arg',
+                },
+              ],
+            },
+          },
+          this.workspace,
+        );
+        const callBlock = Blockly.serialization.blocks.append(
+          {
+            'type': 'procedures_callreturn',
+            'extraState': {
+              'name': 'do something',
+              'params': ['y'],
+            },
+          },
+          this.workspace,
+          {recordUndo: true},
+        );
+        this.clock.runAll();
+        assertDefBlockStructure(defBlock, true, ['x'], ['arg']);
+        assertCallBlockStructure(
+          callBlock,
+          ['y'],
+          [this.TEST_VAR_ID],
+          'do something2',
+        );
+      });
+
+      test.skip('callers whose defs are deserialized later do not create defs', function () {
+        Blockly.serialization.workspaces.load(
+          {
+            'blocks': {
+              'languageVersion': 0,
+              'blocks': [
+                {
+                  'type': 'procedures_callreturn',
+                  'extraState': {
+                    'params': ['x'],
+                  },
+                },
+                {
+                  'type': 'procedures_defreturn',
+                  'fields': {
+                    'NAME': 'do something',
+                  },
+                  'extraState': {
+                    'params': [
+                      {
+                        'name': 'x',
+                        'id': 'arg',
+                      },
+                    ],
+                  },
+                },
+              ],
+            },
+          },
+          this.workspace,
+        );
+        this.clock.runAll();
+        const defBlock = this.workspace.getBlocksByType(
+          'procedures_defreturn',
+        )[0];
+        const callBlock = this.workspace.getBlocksByType(
+          'procedures_callreturn',
+        )[0];
+        // TODO: Currently the callers are creating variables with different
+        //   IDs than those serialized to JSON, so these assertions fail.
+        assertDefBlockStructure(defBlock, true, ['x'], ['arg']);
+        assertCallBlockStructure(callBlock, ['x'], ['arg'], 'do something');
+      });
+    });
+  });
+
+  suite('definition block context menu', function () {
+    test('the context menu includes an option for creating the caller', function () {
+      const def = Blockly.serialization.blocks.append(
+        {
+          'type': 'procedures_defnoreturn',
+          'fields': {
+            'NAME': 'test name',
+          },
+        },
+        this.workspace,
+      );
+
+      const options = [];
+      def.customContextMenu(options);
+
+      chai.assert.isTrue(
+        options[0].text.includes('test name'),
+        'Expected the context menu to have an option to create the caller',
+      );
+    });
+
+    test('the context menu includes an option for each parameter', function () {
+      const def = Blockly.serialization.blocks.append(
+        {
+          'type': 'procedures_defnoreturn',
+          'fields': {
+            'NAME': 'test name',
+          },
+          'extraState': {
+            'params': [
+              {
+                'name': 'testParam1',
+                'id': 'varId1',
+                'paramId': 'paramId1',
+              },
+              {
+                'name': 'testParam2',
+                'id': 'varId2',
+                'paramId': 'paramId2',
+              },
+            ],
+          },
+        },
+        this.workspace,
+      );
+
+      const options = [];
+      def.customContextMenu(options);
+
+      chai.assert.isTrue(
+        options[1].text.includes('testParam1'),
+        'Expected the context menu to have an option to create the first param',
+      );
+      chai.assert.isTrue(
+        options[2].text.includes('testParam2'),
+        'Expected the context menu to have an option to create the second param',
+      );
+    });
+  });
+
+  suite('allProcedures', function () {
+    test('Only Procedures', function () {
+      const noReturnBlock = this.workspace.newBlock('procedures_defnoreturn');
+      noReturnBlock.setFieldValue('no return', 'NAME');
+      const returnBlock = this.workspace.newBlock('procedures_defreturn');
+      returnBlock.setFieldValue('return', 'NAME');
+
+      const allProcedures = Blockly.Procedures.allProcedures(this.workspace);
+      chai.assert.lengthOf(allProcedures, 2);
+
+      chai.assert.lengthOf(allProcedures[0], 1);
+      chai.assert.equal(allProcedures[0][0][0], 'no return');
+
+      chai.assert.lengthOf(allProcedures[1], 1);
+      chai.assert.equal(allProcedures[1][0][0], 'return');
+    });
+
+    test('Multiple Blocks', function () {
+      const noReturnBlock = this.workspace.newBlock('procedures_defnoreturn');
+      noReturnBlock.setFieldValue('no return', 'NAME');
+      const returnBlock = this.workspace.newBlock('procedures_defreturn');
+      returnBlock.setFieldValue('return', 'NAME');
+      const returnBlock2 = this.workspace.newBlock('procedures_defreturn');
+      returnBlock2.setFieldValue('return2', 'NAME');
+      const _ = this.workspace.newBlock('controls_if');
+
+      const allProcedures = Blockly.Procedures.allProcedures(this.workspace);
+      chai.assert.lengthOf(allProcedures, 2);
+
+      chai.assert.lengthOf(allProcedures[0], 1);
+      chai.assert.equal(allProcedures[0][0][0], 'no return');
+
+      chai.assert.lengthOf(allProcedures[1], 2);
+      chai.assert.equal(allProcedures[1][0][0], 'return');
+      chai.assert.equal(allProcedures[1][1][0], 'return2');
+    });
+
+    test('No Procedures', function () {
+      const _ = this.workspace.newBlock('controls_if');
+      const allProcedures = Blockly.Procedures.allProcedures(this.workspace);
+      chai.assert.lengthOf(allProcedures, 2);
+      chai.assert.lengthOf(
+        allProcedures[0],
+        0,
+        'No procedures_defnoreturn blocks expected',
+      );
+      chai.assert.lengthOf(
+        allProcedures[1],
+        0,
+        'No procedures_defreturn blocks expected',
+      );
+    });
+  });
+
+  suite('isNameUsed', function () {
+    test('returns false if no blocks or models exists', function () {
+      chai.assert.isFalse(
+        Blockly.Procedures.isNameUsed('proc name', this.workspace),
+      );
+    });
+
+    test('returns true if an associated block exists', function () {
+      createProcDefBlock(this.workspace, false, [], 'proc name');
+      chai.assert.isTrue(
+        Blockly.Procedures.isNameUsed('proc name', this.workspace),
+      );
+    });
+
+    test('return false if an associated block does not exist', function () {
+      createProcDefBlock(this.workspace, false, [], 'proc name');
+      chai.assert.isFalse(
+        Blockly.Procedures.isNameUsed('other proc name', this.workspace),
+      );
+    });
+
+    test('returns true if an associated procedure model exists', function () {
+      this.workspace
+        .getProcedureMap()
+        .add(new MockProcedureModel().setName('proc name'));
+      chai.assert.isTrue(
+        Blockly.Procedures.isNameUsed('proc name', this.workspace),
+      );
+    });
+
+    test('returns false if an associated procedure model exists', function () {
+      this.workspace
+        .getProcedureMap()
+        .add(new MockProcedureModel().setName('proc name'));
+      chai.assert.isFalse(
+        Blockly.Procedures.isNameUsed('other proc name', this.workspace),
+      );
+    });
+  });
+
+  suite('Multiple block serialization', function () {
+    function assertDefAndCallBlocks(
+      workspace,
+      noReturnNames,
+      returnNames,
+      hasCallers,
+    ) {
+      const allProcedures = Blockly.Procedures.allProcedures(workspace);
+      const defNoReturnBlocks = allProcedures[0];
+      chai.assert.lengthOf(
+        defNoReturnBlocks,
+        noReturnNames.length,
+        `Expected the number of no return blocks to be ${noReturnNames.length}`,
+      );
+      for (let i = 0; i < noReturnNames.length; i++) {
+        const expectedName = noReturnNames[i];
+        chai.assert.equal(defNoReturnBlocks[i][0], expectedName);
+        if (hasCallers) {
+          const callers = Blockly.Procedures.getCallers(
+            expectedName,
+            workspace,
+          );
+          chai.assert.lengthOf(
+            callers,
+            1,
+            `Expected there to be one caller of the ${expectedName} block`,
+          );
+        }
+      }
+      const defReturnBlocks = allProcedures[1];
+      chai.assert.lengthOf(
+        defReturnBlocks,
+        returnNames.length,
+        `Expected the number of return blocks to be ${returnNames.length}`,
+      );
+      for (let i = 0; i < returnNames.length; i++) {
+        const expectedName = returnNames[i];
+        chai.assert.equal(defReturnBlocks[i][0], expectedName);
+        if (hasCallers) {
+          const callers = Blockly.Procedures.getCallers(
+            expectedName,
+            workspace,
+          );
+          chai.assert.lengthOf(
+            callers,
+            1,
+            `Expected there to be one caller of the ${expectedName} block`,
+          );
+        }
+      }
+
+      // Expecting def and caller blocks are the only blocks on workspace
+      let expectedCount = noReturnNames.length + returnNames.length;
+      if (hasCallers) {
+        expectedCount *= 2;
+      }
+      const blocks = workspace.getAllBlocks(false);
+      chai.assert.lengthOf(blocks, expectedCount);
+    }
+
+    suite('no name renamed to unnamed', function () {
+      test('defnoreturn and defreturn', function () {
+        const xml = Blockly.utils.xml.textToDom(`
+              <xml xmlns="https://developers.google.com/blockly/xml">
+                <block type="procedures_defnoreturn"/>
+                <block type="procedures_defreturn"/>
+              </xml>`);
+        Blockly.Xml.domToWorkspace(xml, this.workspace);
+        this.clock.runAll();
+
+        assertDefAndCallBlocks(
+          this.workspace,
+          ['unnamed'],
+          ['unnamed2'],
+          false,
+        );
+      });
+
+      test('defreturn and defnoreturn', function () {
+        const xml = Blockly.utils.xml.textToDom(`
+              <xml xmlns="https://developers.google.com/blockly/xml">
+                <block type="procedures_defreturn"/>
+                <block type="procedures_defnoreturn"/>
+              </xml>`);
+        Blockly.Xml.domToWorkspace(xml, this.workspace);
+        this.clock.runAll();
+
+        assertDefAndCallBlocks(
+          this.workspace,
+          ['unnamed2'],
+          ['unnamed'],
+          false,
+        );
+      });
+
+      test('callreturn (no def in xml)', function () {
+        const xml = Blockly.utils.xml.textToDom(`
+              <xml xmlns="https://developers.google.com/blockly/xml">
+                <block type="procedures_callreturn"/>
+              </xml>`);
+        Blockly.Xml.domToWorkspace(xml, this.workspace);
+        this.clock.runAll();
+        assertDefAndCallBlocks(this.workspace, [], ['unnamed'], true);
+      });
+
+      test('callnoreturn and callreturn (no def in xml)', function () {
+        const xml = Blockly.utils.xml.textToDom(`
+              <xml xmlns="https://developers.google.com/blockly/xml">
+                <block type="procedures_callnoreturn" id="first"/>
+                <block type="procedures_callreturn" id="second"/>
+              </xml>`);
+        Blockly.Xml.domToWorkspace(xml, this.workspace);
+        this.clock.runAll();
+        assertDefAndCallBlocks(this.workspace, ['unnamed'], ['unnamed2'], true);
+      });
+
+      test('callreturn and callnoreturn (no def in xml)', function () {
+        const xml = Blockly.utils.xml.textToDom(`
+              <xml xmlns="https://developers.google.com/blockly/xml">
+                <block type="procedures_callreturn"/>
+                <block type="procedures_callnoreturn"/>
+              </xml>`);
+        Blockly.Xml.domToWorkspace(xml, this.workspace);
+        this.clock.runAll();
+        assertDefAndCallBlocks(this.workspace, ['unnamed2'], ['unnamed'], true);
+      });
+    });
+  });
+
+  suite('getDefinition - Modified cases', function () {
+    setup(function () {
+      Blockly.Blocks['new_proc'] = {
+        init: function () {},
+        getProcedureDef: function () {
+          return [this.name, [], false];
+        },
+        name: 'test',
+      };
+
+      Blockly.Blocks['nested_proc'] = {
+        init: function () {
+          this.setPreviousStatement(true, null);
+          this.setNextStatement(true, null);
+        },
+        getProcedureDef: function () {
+          return [this.name, [], false];
+        },
+        name: 'test',
+      };
+    });
+
+    teardown(function () {
+      delete Blockly.Blocks['new_proc'];
+      delete Blockly.Blocks['nested_proc'];
+    });
+
+    test('Custom procedure block', function () {
+      // Do not require procedures to be the built-in procedures.
+      const defBlock = this.workspace.newBlock('new_proc');
+      const def = Blockly.Procedures.getDefinition('test', this.workspace);
+      chai.assert.equal(def, defBlock);
+    });
+
+    test('Stacked procedures', function () {
+      const blockA = this.workspace.newBlock('nested_proc');
+      const blockB = this.workspace.newBlock('nested_proc');
+      blockA.name = 'a';
+      blockB.name = 'b';
+      blockA.nextConnection.connect(blockB.previousConnection);
+      const def = Blockly.Procedures.getDefinition('b', this.workspace);
+      chai.assert.equal(def, blockB);
+    });
+  });
+
+  const testSuites = [
+    {
+      title: 'procedures_defreturn',
+      hasReturn: true,
+      defType: 'procedures_defreturn',
+      callType: 'procedures_callreturn',
+    },
+    {
+      title: 'procedures_defnoreturn',
+      hasReturn: false,
+      defType: 'procedures_defnoreturn',
+      callType: 'procedures_callnoreturn',
+    },
+  ];
+
+  testSuites.forEach((testSuite) => {
+    suite(testSuite.title, function () {
+      suite('Structure', function () {
+        setup(function () {
+          this.defBlock = this.workspace.newBlock(testSuite.defType);
+          this.defBlock.setFieldValue('proc name', 'NAME');
+        });
+        test('Definition block', function () {
+          assertDefBlockStructure(this.defBlock, testSuite.hasReturn);
+        });
+
+        test('Call block', function () {
+          this.callBlock = Blockly.serialization.blocks.append(
+            {
+              'type': testSuite.callType,
+            },
+            this.workspace,
+            {recordUndo: true},
+          );
+          this.callBlock.setFieldValue('proc name', 'NAME');
+          this.clock.runAll();
+          assertCallBlockStructure(this.callBlock);
+        });
+      });
+      suite('rename', function () {
+        setup(function () {
+          this.defBlock = Blockly.serialization.blocks.append(
+            {
+              'type': testSuite.defType,
+              'fields': {
+                'NAME': 'proc name',
+              },
+            },
+            this.workspace,
+          );
+          this.callBlock = Blockly.serialization.blocks.append(
+            {
+              'type': testSuite.callType,
+              'fields': {
+                'NAME': 'proc name',
+              },
+            },
+            this.workspace,
+          );
+          sinon.stub(this.defBlock.getField('NAME'), 'resizeEditor_');
+        });
+        test('Simple, Programmatic', function () {
+          this.defBlock.setFieldValue(
+            this.defBlock.getFieldValue('NAME') + '2',
+            'NAME',
+          );
+          chai.assert.equal(this.defBlock.getFieldValue('NAME'), 'proc name2');
+          chai.assert.equal(this.callBlock.getFieldValue('NAME'), 'proc name2');
+        });
+        test('Simple, Input', function () {
+          const defInput = this.defBlock.getField('NAME');
+          defInput.htmlInput_ = document.createElement('input');
+          defInput.htmlInput_.setAttribute(
+            'data-untyped-default-value',
+            'proc name',
+          );
+
+          defInput.htmlInput_.value = 'proc name2';
+          defInput.onHtmlInputChange_(null);
+          chai.assert.equal(this.defBlock.getFieldValue('NAME'), 'proc name2');
+          chai.assert.equal(this.callBlock.getFieldValue('NAME'), 'proc name2');
+        });
+        test('lower -> CAPS', function () {
+          const defInput = this.defBlock.getField('NAME');
+          defInput.htmlInput_ = document.createElement('input');
+          defInput.htmlInput_.setAttribute(
+            'data-untyped-default-value',
+            'proc name',
+          );
+
+          defInput.htmlInput_.value = 'PROC NAME';
+          defInput.onHtmlInputChange_(null);
+          chai.assert.equal(this.defBlock.getFieldValue('NAME'), 'PROC NAME');
+          chai.assert.equal(this.callBlock.getFieldValue('NAME'), 'PROC NAME');
+        });
+        test('CAPS -> lower', function () {
+          this.defBlock.setFieldValue('PROC NAME', 'NAME');
+          this.callBlock.setFieldValue('PROC NAME', 'NAME');
+          const defInput = this.defBlock.getField('NAME');
+          defInput.htmlInput_ = document.createElement('input');
+          defInput.htmlInput_.setAttribute(
+            'data-untyped-default-value',
+            'PROC NAME',
+          );
+
+          defInput.htmlInput_.value = 'proc name';
+          defInput.onHtmlInputChange_(null);
+          chai.assert.equal(this.defBlock.getFieldValue('NAME'), 'proc name');
+          chai.assert.equal(this.callBlock.getFieldValue('NAME'), 'proc name');
+        });
+        test('Whitespace', function () {
+          const defInput = this.defBlock.getField('NAME');
+          defInput.htmlInput_ = document.createElement('input');
+          defInput.htmlInput_.setAttribute(
+            'data-untyped-default-value',
+            'proc name',
+          );
+
+          defInput.htmlInput_.value = 'proc name ';
+          defInput.onHtmlInputChange_(null);
+          chai.assert.equal(this.defBlock.getFieldValue('NAME'), 'proc name');
+          chai.assert.equal(this.callBlock.getFieldValue('NAME'), 'proc name');
+        });
+        test('Whitespace then Text', function () {
+          const defInput = this.defBlock.getField('NAME');
+          defInput.htmlInput_ = document.createElement('input');
+          defInput.htmlInput_.setAttribute(
+            'data-untyped-default-value',
+            'proc name',
+          );
+
+          defInput.htmlInput_.value = 'proc name ';
+          defInput.onHtmlInputChange_(null);
+          defInput.htmlInput_.value = 'proc name 2';
+          defInput.onHtmlInputChange_(null);
+          chai.assert.equal(this.defBlock.getFieldValue('NAME'), 'proc name 2');
+          chai.assert.equal(
+            this.callBlock.getFieldValue('NAME'),
+            'proc name 2',
+          );
+        });
+        test('Set Empty', function () {
+          const defInput = this.defBlock.getField('NAME');
+          defInput.htmlInput_ = document.createElement('input');
+          defInput.htmlInput_.setAttribute(
+            'data-untyped-default-value',
+            'proc name',
+          );
+
+          defInput.htmlInput_.value = '';
+          defInput.onHtmlInputChange_(null);
+          chai.assert.equal(
+            this.defBlock.getFieldValue('NAME'),
+            Blockly.Msg['UNNAMED_KEY'],
+          );
+          chai.assert.equal(
+            this.callBlock.getFieldValue('NAME'),
+            Blockly.Msg['UNNAMED_KEY'],
+          );
+        });
+        test('Set Empty, and Create New', function () {
+          const defInput = this.defBlock.getField('NAME');
+          defInput.htmlInput_ = document.createElement('input');
+          defInput.htmlInput_.setAttribute(
+            'data-untyped-default-value',
+            'proc name',
+          );
+
+          defInput.htmlInput_.value = '';
+          defInput.onHtmlInputChange_(null);
+          const newDefBlock = this.workspace.newBlock(testSuite.defType);
+          newDefBlock.setFieldValue('new name', 'NAME');
+          chai.assert.equal(
+            this.defBlock.getFieldValue('NAME'),
+            Blockly.Msg['UNNAMED_KEY'],
+          );
+          chai.assert.equal(
+            this.callBlock.getFieldValue('NAME'),
+            Blockly.Msg['UNNAMED_KEY'],
+          );
+        });
+      });
+      suite('getCallers', function () {
+        setup(function () {
+          this.defBlock = Blockly.serialization.blocks.append(
+            {
+              'type': testSuite.defType,
+              'fields': {
+                'NAME': 'proc name',
+              },
+            },
+            this.workspace,
+          );
+          this.callBlock = Blockly.serialization.blocks.append(
+            {
+              'type': testSuite.callType,
+              'fields': {
+                'NAME': 'proc name',
+              },
+            },
+            this.workspace,
+          );
+        });
+        test('Simple', function () {
+          const callers = Blockly.Procedures.getCallers(
+            'proc name',
+            this.workspace,
+          );
+          chai.assert.equal(callers.length, 1);
+          chai.assert.equal(callers[0], this.callBlock);
+        });
+        test('Multiple Callers', function () {
+          const caller2 = this.workspace.newBlock(testSuite.callType);
+          caller2.setFieldValue('proc name', 'NAME');
+          const caller3 = this.workspace.newBlock(testSuite.callType);
+          caller3.setFieldValue('proc name', 'NAME');
+
+          const callers = Blockly.Procedures.getCallers(
+            'proc name',
+            this.workspace,
+          );
+          chai.assert.equal(callers.length, 3);
+          chai.assert.equal(callers[0], this.callBlock);
+          chai.assert.equal(callers[1], caller2);
+          chai.assert.equal(callers[2], caller3);
+        });
+        test('Multiple Procedures', function () {
+          const def2 = this.workspace.newBlock(testSuite.defType);
+          def2.setFieldValue('proc name2', 'NAME');
+          const caller2 = this.workspace.newBlock(testSuite.callType);
+          caller2.setFieldValue('proc name2', 'NAME');
+
+          const callers = Blockly.Procedures.getCallers(
+            'proc name',
+            this.workspace,
+          );
+          chai.assert.equal(callers.length, 1);
+          chai.assert.equal(callers[0], this.callBlock);
+        });
+        // This can occur if you:
+        //  1) Create an uppercase definition and call block.
+        //  2) Delete both blocks.
+        //  3) Create a lowercase definition and call block.
+        //  4) Retrieve the uppercase call block from the trashcan.
+        // (And vise versa for creating lowercase blocks first)
+        // When converted to code all function names will be lowercase, so a
+        // caller should still be returned for a differently-cased procedure.
+        test('Call Different Case', function () {
+          this.callBlock.setFieldValue('PROC NAME', 'NAME');
+          const callers = Blockly.Procedures.getCallers(
+            'proc name',
+            this.workspace,
+          );
+          chai.assert.equal(callers.length, 1);
+          chai.assert.equal(callers[0], this.callBlock);
+        });
+        test('Multiple Workspaces', function () {
+          const workspace = new Blockly.Workspace();
+          try {
+            const def2 = workspace.newBlock(testSuite.defType);
+            def2.setFieldValue('proc name', 'NAME');
+            const caller2 = workspace.newBlock(testSuite.callType);
+            caller2.setFieldValue('proc name', 'NAME');
+
+            let callers = Blockly.Procedures.getCallers(
+              'proc name',
+              this.workspace,
+            );
+            chai.assert.equal(callers.length, 1);
+            chai.assert.equal(callers[0], this.callBlock);
+
+            callers = Blockly.Procedures.getCallers('proc name', workspace);
+            chai.assert.equal(callers.length, 1);
+            chai.assert.equal(callers[0], caller2);
+          } finally {
+            workspaceTeardown.call(this, workspace);
+          }
+        });
+      });
+      suite('getDefinition', function () {
+        setup(function () {
+          this.defBlock = Blockly.serialization.blocks.append(
+            {
+              'type': testSuite.defType,
+              'fields': {
+                'NAME': 'proc name',
+              },
+            },
+            this.workspace,
+          );
+          this.callBlock = Blockly.serialization.blocks.append(
+            {
+              'type': testSuite.callType,
+              'fields': {
+                'NAME': 'proc name',
+              },
+            },
+            this.workspace,
+          );
+        });
+        test('Simple', function () {
+          const def = Blockly.Procedures.getDefinition(
+            'proc name',
+            this.workspace,
+          );
+          chai.assert.equal(def, this.defBlock);
+        });
+        test('Multiple Procedures', function () {
+          const def2 = this.workspace.newBlock(testSuite.defType);
+          def2.setFieldValue('proc name2', 'NAME');
+          const caller2 = this.workspace.newBlock(testSuite.callType);
+          caller2.setFieldValue('proc name2', 'NAME');
+
+          const def = Blockly.Procedures.getDefinition(
+            'proc name',
+            this.workspace,
+          );
+          chai.assert.equal(def, this.defBlock);
+        });
+        test('Multiple Workspaces', function () {
+          const workspace = new Blockly.Workspace();
+          try {
+            const def2 = workspace.newBlock(testSuite.defType);
+            def2.setFieldValue('proc name', 'NAME');
+            const caller2 = workspace.newBlock(testSuite.callType);
+            caller2.setFieldValue('proc name', 'NAME');
+
+            let def = Blockly.Procedures.getDefinition(
+              'proc name',
+              this.workspace,
+            );
+            chai.assert.equal(def, this.defBlock);
+
+            def = Blockly.Procedures.getDefinition('proc name', workspace);
+            chai.assert.equal(def, def2);
+          } finally {
+            workspaceTeardown.call(this, workspace);
+          }
+        });
+      });
+
+      suite('Mutation', function () {
+        setup(function () {
+          this.defBlock = Blockly.serialization.blocks.append(
+            {
+              'type': testSuite.defType,
+              'fields': {
+                'NAME': 'proc name',
+              },
+            },
+            this.workspace,
+          );
+          this.callBlock = Blockly.serialization.blocks.append(
+            {
+              'type': testSuite.callType,
+              'extraState': {
+                'name': 'proc name',
+              },
+            },
+            this.workspace,
+          );
+        });
+        suite('Composition', function () {
+          suite('Statements', function () {
+            function setStatementValue(mainWorkspace, defBlock, value) {
+              const mutatorWorkspace = new Blockly.Workspace(
+                new Blockly.Options({
+                  parentWorkspace: mainWorkspace,
+                }),
+              );
+              defBlock.decompose(mutatorWorkspace);
+              const containerBlock = mutatorWorkspace.getTopBlocks()[0];
+              const statementField = containerBlock.getField('STATEMENTS');
+              statementField.setValue(value);
+              defBlock.compose(containerBlock);
+            }
+            if (testSuite.defType === 'procedures_defreturn') {
+              test('Has Statements', function () {
+                setStatementValue(this.workspace, this.defBlock, true);
+                chai.assert.isTrue(this.defBlock.hasStatements_);
+              });
+              test('Has No Statements', function () {
+                setStatementValue(this.workspace, this.defBlock, false);
+                chai.assert.isFalse(this.defBlock.hasStatements_);
+              });
+              test('Saving Statements', function () {
+                const blockXml = Blockly.utils.xml.textToDom(
+                  '<block type="procedures_defreturn">' +
+                    '  <statement name="STACK">' +
+                    '    <block type="procedures_ifreturn" id="test"></block>' +
+                    '  </statement> ' +
+                    '</block>',
+                );
+                const defBlock = Blockly.Xml.domToBlock(
+                  blockXml,
+                  this.workspace,
+                );
+                setStatementValue(this.workspace, defBlock, false);
+                chai.assert.isNull(defBlock.getInput('STACK'));
+                setStatementValue(this.workspace, defBlock, true);
+                chai.assert.isNotNull(defBlock.getInput('STACK'));
+                const statementBlocks = defBlock.getChildren();
+                chai.assert.equal(statementBlocks.length, 1);
+                const block = statementBlocks[0];
+                chai.assert.equal(block.type, 'procedures_ifreturn');
+                chai.assert.equal(block.id, 'test');
+              });
+            }
+          });
+          suite('Untyped Arguments', function () {
+            async function createMutator(argArray) {
+              const mutatorIcon = this.defBlock.getIcon(
+                Blockly.icons.MutatorIcon.TYPE,
+              );
+              await mutatorIcon.setBubbleVisible(true);
+              this.mutatorWorkspace = mutatorIcon.getWorkspace();
+              this.containerBlock = this.mutatorWorkspace.getTopBlocks()[0];
+              this.connection =
+                this.containerBlock.getInput('STACK').connection;
+              for (let i = 0; i < argArray.length; i++) {
+                this.argBlock = this.mutatorWorkspace.newBlock(
+                  'procedures_mutatorarg',
+                );
+                this.argBlock.setFieldValue(argArray[i], 'NAME');
+                this.connection.connect(this.argBlock.previousConnection);
+                this.connection = this.argBlock.nextConnection;
+              }
+              this.clock.runAll();
+            }
+            function assertArgs(argArray) {
+              chai.assert.equal(
+                this.defBlock.getVars().length,
+                argArray.length,
+                'Expected the def to have the right number of arguments',
+              );
+              for (let i = 0; i < argArray.length; i++) {
+                chai.assert.equal(this.defBlock.getVars()[i], argArray[i]);
+              }
+              chai.assert.equal(
+                this.callBlock.getVars().length,
+                argArray.length,
+                'Expected the call to have the right number of arguments',
+              );
+              for (let i = 0; i < argArray.length; i++) {
+                chai.assert.equal(this.callBlock.getVars()[i], argArray[i]);
+              }
+            }
+            test('Simple Add Arg', async function () {
+              const args = ['arg1'];
+              await createMutator.call(this, args);
+              assertArgs.call(this, args);
+            });
+            test('Multiple Args', async function () {
+              const args = ['arg1', 'arg2', 'arg3'];
+              await createMutator.call(this, args);
+              assertArgs.call(this, args);
+            });
+            test('Simple Change Arg', async function () {
+              await createMutator.call(this, ['arg1']);
+              this.argBlock.setFieldValue('arg2', 'NAME');
+              this.defBlock.compose(this.containerBlock);
+              assertArgs.call(this, ['arg2']);
+            });
+            test('lower -> CAPS', async function () {
+              await createMutator.call(this, ['arg']);
+              this.argBlock.setFieldValue('ARG', 'NAME');
+              this.defBlock.compose(this.containerBlock);
+              assertArgs.call(this, ['ARG']);
+            });
+            test('CAPS -> lower', async function () {
+              await createMutator.call(this, ['ARG']);
+              this.argBlock.setFieldValue('arg', 'NAME');
+              this.defBlock.compose(this.containerBlock);
+              assertArgs.call(this, ['arg']);
+            });
+            // Test case for #1958
+            test('Set Arg Empty', async function () {
+              const args = ['arg1'];
+              await createMutator.call(this, args);
+              this.argBlock.setFieldValue('', 'NAME');
+              this.defBlock.compose(this.containerBlock);
+              assertArgs.call(this, args);
+            });
+            test('Whitespace', async function () {
+              const args = ['arg1'];
+              await createMutator.call(this, args);
+              this.argBlock.setFieldValue(' ', 'NAME');
+              this.defBlock.compose(this.containerBlock);
+              assertArgs.call(this, args);
+            });
+            test('Whitespace and Text', async function () {
+              await createMutator.call(this, ['arg1']);
+              this.argBlock.setFieldValue(' text ', 'NAME');
+              this.defBlock.compose(this.containerBlock);
+              assertArgs.call(this, ['text']);
+            });
+            test('<>', async function () {
+              const args = ['<>'];
+              await createMutator.call(this, args);
+              assertArgs.call(this, args);
+            });
+          });
+        });
+        suite('Decomposition', function () {
+          suite('Statements', function () {
+            if (testSuite.defType === 'procedures_defreturn') {
+              test('Has Statement Input', function () {
+                const mutatorWorkspace = new Blockly.Workspace(
+                  new Blockly.Options({
+                    parentWorkspace: this.workspace,
+                  }),
+                );
+                this.defBlock.decompose(mutatorWorkspace);
+                const statementInput = mutatorWorkspace
+                  .getTopBlocks()[0]
+                  .getInput('STATEMENT_INPUT');
+                chai.assert.isNotNull(statementInput);
+              });
+              test('Has Statements', function () {
+                this.defBlock.hasStatements_ = true;
+                const mutatorWorkspace = new Blockly.Workspace(
+                  new Blockly.Options({
+                    parentWorkspace: this.workspace,
+                  }),
+                );
+                this.defBlock.decompose(mutatorWorkspace);
+                const statementValue = mutatorWorkspace
+                  .getTopBlocks()[0]
+                  .getField('STATEMENTS')
+                  .getValueBoolean();
+                chai.assert.isTrue(statementValue);
+              });
+              test('No Has Statements', function () {
+                this.defBlock.hasStatements_ = false;
+                const mutatorWorkspace = new Blockly.Workspace(
+                  new Blockly.Options({
+                    parentWorkspace: this.workspace,
+                  }),
+                );
+                this.defBlock.decompose(mutatorWorkspace);
+                const statementValue = mutatorWorkspace
+                  .getTopBlocks()[0]
+                  .getField('STATEMENTS')
+                  .getValueBoolean();
+                chai.assert.isFalse(statementValue);
+              });
+            } else {
+              test('Has no Statement Input', function () {
+                const mutatorWorkspace = new Blockly.Workspace(
+                  new Blockly.Options({
+                    parentWorkspace: this.workspace,
+                  }),
+                );
+                this.defBlock.decompose(mutatorWorkspace);
+                const statementInput = mutatorWorkspace
+                  .getTopBlocks()[0]
+                  .getInput('STATEMENT_INPUT');
+                chai.assert.isNull(statementInput);
+              });
+            }
+          });
+        });
+      });
+      /**
+       * Test cases for serialization tests.
+       * @type {Array<SerializationTestCase>}
+       */
+      const testCases = [
+        {
+          title: 'XML - Minimal definition',
+          xml: '<block type="' + testSuite.defType + '"/>',
+          expectedXml:
+            '<block xmlns="https://developers.google.com/blockly/xml" ' +
+            'type="' +
+            testSuite.defType +
+            '" id="1">\n' +
+            '  <field name="NAME">unnamed</field>\n' +
+            '</block>',
+          assertBlockStructure: (block) => {
+            assertDefBlockStructure(block, testSuite.hasReturn);
+          },
+        },
+        {
+          title: 'XML - Common definition',
+          xml:
+            '<block type="' +
+            testSuite.defType +
+            '">' +
+            '  <field name="NAME">do something</field>' +
+            '</block>',
+          expectedXml:
+            '<block xmlns="https://developers.google.com/blockly/xml" ' +
+            'type="' +
+            testSuite.defType +
+            '" id="1">\n' +
+            '  <field name="NAME">do something</field>\n' +
+            '</block>',
+          assertBlockStructure: (block) => {
+            assertDefBlockStructure(block, testSuite.hasReturn);
+          },
+        },
+        {
+          title: 'XML - With vars definition',
+          xml:
+            '<block type="' +
+            testSuite.defType +
+            '">\n' +
+            '  <mutation>\n' +
+            '    <arg name="x" varid="arg1"></arg>\n' +
+            '    <arg name="y" varid="arg2"></arg>\n' +
+            '  </mutation>\n' +
+            '  <field name="NAME">do something</field>\n' +
+            '</block>',
+          expectedXml:
+            '<block xmlns="https://developers.google.com/blockly/xml" ' +
+            'type="' +
+            testSuite.defType +
+            '" id="1">\n' +
+            '  <mutation>\n' +
+            '    <arg name="x" varid="arg1"></arg>\n' +
+            '    <arg name="y" varid="arg2"></arg>\n' +
+            '  </mutation>\n' +
+            '  <field name="NAME">do something</field>\n' +
+            '</block>',
+          assertBlockStructure: (block) => {
+            assertDefBlockStructure(
+              block,
+              testSuite.hasReturn,
+              ['x', 'y'],
+              ['arg1', 'arg2'],
+            );
+          },
+        },
+        {
+          title: 'XML - With pre-created vars definition',
+          xml:
+            '<block type="' +
+            testSuite.defType +
+            '">\n' +
+            '  <mutation>\n' +
+            '    <arg name="preCreatedVar" varid="preCreatedVarId"></arg>\n' +
+            '  </mutation>\n' +
+            '  <field name="NAME">do something</field>\n' +
+            '</block>',
+          expectedXml:
+            '<block xmlns="https://developers.google.com/blockly/xml" ' +
+            'type="' +
+            testSuite.defType +
+            '" id="1">\n' +
+            '  <mutation>\n' +
+            '    <arg name="preCreatedVar" varid="preCreatedVarId"></arg>\n' +
+            '  </mutation>\n' +
+            '  <field name="NAME">do something</field>\n' +
+            '</block>',
+          assertBlockStructure: (block) => {
+            assertDefBlockStructure(
+              block,
+              testSuite.hasReturn,
+              ['preCreatedVar'],
+              ['preCreatedVarId'],
+            );
+          },
+        },
+        {
+          title: 'XML - No statements definition',
+          xml:
+            '<block type="procedures_defreturn">\n' +
+            '  <mutation statements="false"></mutation>\n' +
+            '  <field name="NAME">do something</field>\n' +
+            '</block>',
+          expectedXml:
+            '<block xmlns="https://developers.google.com/blockly/xml" ' +
+            'type="procedures_defreturn" id="1">\n' +
+            '  <mutation statements="false"></mutation>\n' +
+            '  <field name="NAME">do something</field>\n' +
+            '</block>',
+          assertBlockStructure: (block) => {
+            assertDefBlockStructure(block, true, [], [], false);
+          },
+        },
+        {
+          title: 'XML - Minimal caller',
+          xml: '<block type="' + testSuite.callType + '"/>',
+          expectedXml:
+            '<block xmlns="https://developers.google.com/blockly/xml" ' +
+            'type="' +
+            testSuite.callType +
+            '" id="1">\n' +
+            '  <mutation name="unnamed"></mutation>\n' +
+            '</block>',
+          assertBlockStructure: (block) => {
+            assertCallBlockStructure(block);
+          },
+        },
+        {
+          title: 'XML - Common caller',
+          xml:
+            '<block type="' +
+            testSuite.callType +
+            '">\n' +
+            '  <mutation name="do something"/>\n' +
+            '</block>',
+          expectedXml:
+            '<block xmlns="https://developers.google.com/blockly/xml" ' +
+            'type="' +
+            testSuite.callType +
+            '" id="1">\n' +
+            '  <mutation name="do something"></mutation>\n' +
+            '</block>',
+          assertBlockStructure: (block) => {
+            assertCallBlockStructure(block);
+          },
+        },
+        {
+          title: 'XML - With pre-created vars caller',
+          xml:
+            '<block type="' +
+            testSuite.callType +
+            '">\n' +
+            '  <mutation name="do something">\n' +
+            '    <arg name="preCreatedVar"></arg>\n' +
+            '  </mutation>\n' +
+            '</block>',
+          expectedXml:
+            '<block xmlns="https://developers.google.com/blockly/xml" ' +
+            'type="' +
+            testSuite.callType +
+            '" id="1">\n' +
+            '  <mutation name="do something">\n' +
+            '    <arg name="preCreatedVar"></arg>\n' +
+            '  </mutation>\n' +
+            '</block>',
+          assertBlockStructure: (block) => {
+            assertCallBlockStructure(
+              block,
+              ['preCreatedVar'],
+              ['preCreatedVarId'],
+            );
+          },
+        },
+        {
+          title: 'JSON - Minimal definition',
+          json: {
+            'type': testSuite.defType,
+          },
+          expectedJson: {
+            'type': testSuite.defType,
+            'id': '1',
+            'fields': {
+              'NAME': 'unnamed',
+            },
+          },
+          assertBlockStructure: (block) => {
+            assertDefBlockStructure(block, testSuite.hasReturn);
+          },
+        },
+        {
+          title: 'JSON - Common definition',
+          json: {
+            'type': testSuite.defType,
+            'fields': {
+              'NAME': 'do something',
+            },
+          },
+          expectedJson: {
+            'type': testSuite.defType,
+            'id': '1',
+            'fields': {
+              'NAME': 'do something',
+            },
+          },
+          assertBlockStructure: (block) => {
+            assertDefBlockStructure(block, testSuite.hasReturn);
+          },
+        },
+        {
+          title: 'JSON - With vars definition',
+          json: {
+            'type': testSuite.defType,
+            'fields': {
+              'NAME': 'do something',
+            },
+            'extraState': {
+              'params': [
+                {
+                  'name': 'x',
+                  'id': 'arg1',
+                },
+                {
+                  'name': 'y',
+                  'id': 'arg2',
+                },
+              ],
+            },
+          },
+          expectedJson: {
+            'type': testSuite.defType,
+            'id': '1',
+            'fields': {
+              'NAME': 'do something',
+            },
+            'extraState': {
+              'params': [
+                {
+                  'name': 'x',
+                  'id': 'arg1',
+                },
+                {
+                  'name': 'y',
+                  'id': 'arg2',
+                },
+              ],
+            },
+          },
+          assertBlockStructure: (block) => {
+            assertDefBlockStructure(
+              block,
+              testSuite.hasReturn,
+              ['x', 'y'],
+              ['arg1', 'arg2'],
+            );
+          },
+        },
+        {
+          title: 'JSON - With pre-created vars definition',
+          json: {
+            'type': testSuite.defType,
+            'extraState': {
+              'params': [
+                {
+                  'name': 'preCreatedVar',
+                  'id': 'preCreatedVarId',
+                },
+              ],
+            },
+            'fields': {
+              'NAME': 'do something',
+            },
+          },
+          expectedJson: {
+            'type': testSuite.defType,
+            'id': '1',
+            'fields': {
+              'NAME': 'do something',
+            },
+            'extraState': {
+              'params': [
+                {
+                  'name': 'preCreatedVar',
+                  'id': 'preCreatedVarId',
+                },
+              ],
+            },
+          },
+          assertBlockStructure: (block) => {
+            assertDefBlockStructure(
+              block,
+              testSuite.hasReturn,
+              ['preCreatedVar'],
+              ['preCreatedVarId'],
+            );
+          },
+        },
+        {
+          title: 'JSON - No statements definition',
+          json: {
+            'type': 'procedures_defreturn',
+            'fields': {
+              'NAME': 'do something',
+            },
+            'extraState': {
+              'hasStatements': false,
+            },
+          },
+          expectedJson: {
+            'type': 'procedures_defreturn',
+            'id': '1',
+            'fields': {
+              'NAME': 'do something',
+            },
+            'extraState': {
+              'hasStatements': false,
+            },
+          },
+          assertBlockStructure: (block) => {
+            assertDefBlockStructure(block, true, [], [], false);
+          },
+        },
+        {
+          title: 'JSON - Minimal caller',
+          json: {
+            'type': testSuite.callType,
+          },
+          expectedJson: {
+            'type': testSuite.callType,
+            'id': '1',
+            'extraState': {
+              'name': 'unnamed',
+            },
+          },
+          assertBlockStructure: (block) => {
+            assertCallBlockStructure(block);
+          },
+        },
+        {
+          title: 'JSON - Common caller',
+          json: {
+            'type': testSuite.callType,
+            'extraState': {
+              'name': 'do something',
+            },
+          },
+          expectedJson: {
+            'type': testSuite.callType,
+            'id': '1',
+            'extraState': {
+              'name': 'do something',
+            },
+          },
+          assertBlockStructure: (block) => {
+            assertCallBlockStructure(block);
+          },
+        },
+        {
+          title: 'JSON - With pre-created vars caller',
+          json: {
+            'type': testSuite.callType,
+            'extraState': {
+              'name': 'do something',
+              'params': ['preCreatedVar'],
+            },
+          },
+          expectedJson: {
+            'type': testSuite.callType,
+            'id': '1',
+            'extraState': {
+              'name': 'do something',
+              'params': ['preCreatedVar'],
+            },
+          },
+          assertBlockStructure: (block) => {
+            assertCallBlockStructure(
+              block,
+              ['preCreatedVar'],
+              ['preCreatedVarId'],
+            );
+          },
+        },
+      ];
+      runSerializationTestSuite(testCases);
+    });
+  });
+});
diff --git a/tests/mocha/blocks/variables_test.js b/tests/mocha/blocks/variables_test.js
new file mode 100644
index 00000000000..caee68aeca7
--- /dev/null
+++ b/tests/mocha/blocks/variables_test.js
@@ -0,0 +1,310 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from '../test_helpers/setup_teardown.js';
+import {nameUsedWithConflictingParam} from '../../../build/src/core/variables.js';
+import {
+  MockParameterModelWithVar,
+  MockProcedureModel,
+} from '../test_helpers/procedures.js';
+
+suite('Variables', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+    Blockly.defineBlocksWithJsonArray([
+      {
+        'type': 'get_var_block',
+        'message0': '%1',
+        'args0': [
+          {
+            'type': 'field_variable',
+            'name': 'VAR',
+            'variableTypes': ['', 'type1', 'type2'],
+          },
+        ],
+      },
+    ]);
+    this.workspace.createVariable('foo', 'type1', '1');
+    this.workspace.createVariable('bar', 'type1', '2');
+    this.workspace.createVariable('baz', 'type1', '3');
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  /**
+   * Create a test get_var_block.
+   * Will fail if get_var_block isn't defined.
+   * @param {!Blockly.Workspace} workspace The workspace on which to create the
+   *     block.
+   * @param {!string} variableId The id of the variable to reference.
+   * @return {!Blockly.Block} The created block.
+   */
+  function createTestVarBlock(workspace, variableId) {
+    // Turn off events to avoid testing XML at the same time.
+    Blockly.Events.disable();
+    const block = new Blockly.Block(workspace, 'get_var_block');
+    block.inputList[0].fieldRow[0].setValue(variableId);
+    Blockly.Events.enable();
+    return block;
+  }
+
+  suite('allUsedVarModels', function () {
+    test('All used', function () {
+      createTestVarBlock(this.workspace, '1');
+      createTestVarBlock(this.workspace, '2');
+      createTestVarBlock(this.workspace, '3');
+
+      const result = Blockly.Variables.allUsedVarModels(this.workspace);
+      chai.assert.equal(
+        result.length,
+        3,
+        'Expected three variables in the list of used variables',
+      );
+    });
+
+    test('Some unused', function () {
+      createTestVarBlock(this.workspace, '2');
+
+      const result = Blockly.Variables.allUsedVarModels(this.workspace);
+      chai.assert.equal(
+        result.length,
+        1,
+        'Expected one variable in the list of used variables',
+      );
+      chai.assert.equal(
+        result[0].getId(),
+        '2',
+        'Expected variable with ID 2 in the list of used variables',
+      );
+    });
+
+    test('Var used twice', function () {
+      createTestVarBlock(this.workspace, '2');
+      createTestVarBlock(this.workspace, '2');
+
+      const result = Blockly.Variables.allUsedVarModels(this.workspace);
+      // Using the same variable multiple times should not change the number of
+      // elements in the list.
+      chai.assert.equal(
+        result.length,
+        1,
+        'Expected one variable in the list of used variables',
+      );
+      chai.assert.equal(
+        result[0].getId(),
+        '2',
+        'Expected variable with ID 2 in the list of used variables',
+      );
+    });
+
+    test('All unused', function () {
+      const result = Blockly.Variables.allUsedVarModels(this.workspace);
+      chai.assert.equal(
+        result.length,
+        0,
+        'Expected no variables in the list of used variables',
+      );
+    });
+  });
+
+  suite('getVariable', function () {
+    test('By ID', function () {
+      const var1 = this.workspace.createVariable('name1', 'type1', 'id1');
+      const var2 = this.workspace.createVariable('name2', 'type1', 'id2');
+      const var3 = this.workspace.createVariable('name3', 'type2', 'id3');
+      const result1 = Blockly.Variables.getVariable(this.workspace, 'id1');
+      const result2 = Blockly.Variables.getVariable(this.workspace, 'id2');
+      const result3 = Blockly.Variables.getVariable(this.workspace, 'id3');
+
+      chai.assert.equal(var1, result1);
+      chai.assert.equal(var2, result2);
+      chai.assert.equal(var3, result3);
+    });
+
+    test('By name and type', function () {
+      const var1 = this.workspace.createVariable('name1', 'type1', 'id1');
+      const var2 = this.workspace.createVariable('name2', 'type1', 'id2');
+      const var3 = this.workspace.createVariable('name3', 'type2', 'id3');
+      const result1 = Blockly.Variables.getVariable(
+        this.workspace,
+        null,
+        'name1',
+        'type1',
+      );
+      const result2 = Blockly.Variables.getVariable(
+        this.workspace,
+        null,
+        'name2',
+        'type1',
+      );
+      const result3 = Blockly.Variables.getVariable(
+        this.workspace,
+        null,
+        'name3',
+        'type2',
+      );
+
+      // Searching by name + type is correct.
+      chai.assert.equal(var1, result1);
+      chai.assert.equal(var2, result2);
+      chai.assert.equal(var3, result3);
+    });
+
+    test('Bad ID with name and type fallback', function () {
+      const var1 = this.workspace.createVariable('name1', 'type1', 'id1');
+      const var2 = this.workspace.createVariable('name2', 'type1', 'id2');
+      const var3 = this.workspace.createVariable('name3', 'type2', 'id3');
+      const result1 = Blockly.Variables.getVariable(
+        this.workspace,
+        'badId',
+        'name1',
+        'type1',
+      );
+      const result2 = Blockly.Variables.getVariable(
+        this.workspace,
+        'badId',
+        'name2',
+        'type1',
+      );
+      const result3 = Blockly.Variables.getVariable(
+        this.workspace,
+        'badId',
+        'name3',
+        'type2',
+      );
+
+      // Searching by ID failed, but falling back onto name + type is correct.
+      chai.assert.equal(var1, result1);
+      chai.assert.equal(var2, result2);
+      chai.assert.equal(var3, result3);
+    });
+  });
+
+  suite('renaming variables creating conflicts', function () {
+    suite('renaming variables creating parameter conflicts', function () {
+      test('conflicts within legacy procedure blocks return the procedure name', function () {
+        Blockly.serialization.blocks.append(
+          {
+            'type': 'procedures_defnoreturn',
+            'extraState': {
+              'params': [
+                {
+                  'name': 'x',
+                  'id': '6l3P%Y!9EgA(Nh{E`Tl,',
+                },
+                {
+                  'name': 'y',
+                  'id': 'l1EtlJe%z_M[O-@uPAQ8',
+                },
+              ],
+            },
+            'fields': {
+              'NAME': 'test name',
+            },
+          },
+          this.workspace,
+        );
+
+        chai.assert.equal(
+          'test name',
+          nameUsedWithConflictingParam('x', 'y', this.workspace),
+          'Expected the name of the procedure with the conflicting ' +
+            'param to be returned',
+        );
+      });
+
+      test(
+        'if no legacy block has the old var name, no procedure ' +
+          'name is returned',
+        function () {
+          Blockly.serialization.blocks.append(
+            {
+              'type': 'procedures_defnoreturn',
+              'extraState': {
+                'params': [
+                  {
+                    'name': 'definitely not x',
+                    'id': '6l3P%Y!9EgA(Nh{E`Tl,',
+                  },
+                  {
+                    'name': 'y',
+                    'id': 'l1EtlJe%z_M[O-@uPAQ8',
+                  },
+                ],
+              },
+              'fields': {
+                'NAME': 'test name',
+              },
+            },
+            this.workspace,
+          );
+
+          chai.assert.isNull(
+            nameUsedWithConflictingParam('x', 'y', this.workspace),
+            'Expected there to be no conflict',
+          );
+        },
+      );
+
+      test('conflicts within procedure models return the procedure name', function () {
+        this.workspace
+          .getProcedureMap()
+          .add(
+            new MockProcedureModel('test name')
+              .insertParameter(
+                new MockParameterModelWithVar('x', this.workspace),
+                0,
+              )
+              .insertParameter(
+                new MockParameterModelWithVar('y', this.workspace),
+                0,
+              ),
+          );
+
+        chai.assert.equal(
+          'test name',
+          nameUsedWithConflictingParam('x', 'y', this.workspace),
+          'Expected the name of the procedure with the conflicting ' +
+            'param to be returned',
+        );
+      });
+
+      test(
+        'if no procedure model has the old var, no procedure ' +
+          'name is returned',
+        function () {
+          this.workspace
+            .getProcedureMap()
+            .add(
+              new MockProcedureModel('test name')
+                .insertParameter(
+                  new MockParameterModelWithVar(
+                    'definitely not x',
+                    this.workspace,
+                  ),
+                  0,
+                )
+                .insertParameter(
+                  new MockParameterModelWithVar('y', this.workspace),
+                  0,
+                ),
+            );
+
+          chai.assert.isNull(
+            nameUsedWithConflictingParam('x', 'y', this.workspace),
+            'Expected there to be no conflict',
+          );
+        },
+      );
+    });
+  });
+});
diff --git a/tests/mocha/clipboard_test.js b/tests/mocha/clipboard_test.js
new file mode 100644
index 00000000000..fb0c4188275
--- /dev/null
+++ b/tests/mocha/clipboard_test.js
@@ -0,0 +1,135 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {
+  assertEventFired,
+  createChangeListenerSpy,
+} from './test_helpers/events.js';
+
+suite('Clipboard', function () {
+  setup(function () {
+    this.clock = sharedTestSetup.call(this, {fireEventsNow: false}).clock;
+    this.workspace = Blockly.inject('blocklyDiv');
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  test('a paster registered with a given type is called when pasting that type', function () {
+    const paster = {
+      paste: sinon.stub().returns(null),
+    };
+    Blockly.clipboard.registry.register('test-paster', paster);
+
+    Blockly.clipboard.paste({paster: 'test-paster'}, this.workspace);
+    chai.assert.isTrue(paster.paste.calledOnce);
+
+    Blockly.clipboard.registry.unregister('test-paster');
+  });
+
+  suite('pasting blocks', function () {
+    test('pasting blocks fires a create event', function () {
+      const eventSpy = createChangeListenerSpy(this.workspace);
+      const block = Blockly.serialization.blocks.append(
+        {
+          'type': 'controls_if',
+          'id': 'blockId',
+        },
+        this.workspace,
+      );
+      const data = block.toCopyData();
+      this.clock.runAll();
+      eventSpy.resetHistory();
+
+      Blockly.clipboard.paste(data, this.workspace);
+      this.clock.runAll();
+
+      assertEventFired(
+        eventSpy,
+        Blockly.Events.BlockCreate,
+        {'recordUndo': true, 'type': Blockly.Events.BLOCK_CREATE},
+        this.workspace.id,
+      );
+    });
+
+    suite('pasted blocks are placed in unambiguous locations', function () {
+      test('pasted blocks are bumped to not overlap', function () {
+        const block = Blockly.serialization.blocks.append(
+          {
+            'type': 'controls_if',
+            'x': 38,
+            'y': 13,
+          },
+          this.workspace,
+        );
+        const data = block.toCopyData();
+
+        const newBlock = Blockly.clipboard.paste(data, this.workspace);
+        chai.assert.deepEqual(
+          newBlock.getRelativeToSurfaceXY(),
+          new Blockly.utils.Coordinate(66, 69),
+        );
+      });
+
+      test('pasted blocks are bumped to be outside the connection snap radius', function () {
+        Blockly.serialization.workspaces.load(
+          {
+            'blocks': {
+              'languageVersion': 0,
+              'blocks': [
+                {
+                  'type': 'controls_if',
+                  'id': 'sourceBlockId',
+                  'x': 38,
+                  'y': 13,
+                },
+                {
+                  'type': 'logic_compare',
+                  'x': 113,
+                  'y': 63,
+                },
+              ],
+            },
+          },
+          this.workspace,
+        );
+        this.clock.runAll(); // Update the connection DB.
+        const data = this.workspace.getBlockById('sourceBlockId').toCopyData();
+
+        const newBlock = Blockly.clipboard.paste(data, this.workspace);
+        chai.assert.deepEqual(
+          newBlock.getRelativeToSurfaceXY(),
+          new Blockly.utils.Coordinate(94, 125),
+        );
+      });
+    });
+  });
+
+  suite('pasting comments', function () {
+    // TODO: Reenable test when we readd copy-paste.
+    test.skip('pasted comments are bumped to not overlap', function () {
+      Blockly.Xml.domToWorkspace(
+        Blockly.utils.xml.textToDom(
+          '<xml><comment id="test" x=10 y=10/></xml>',
+        ),
+        this.workspace,
+      );
+      const comment = this.workspace.getTopComments(false)[0];
+      const data = comment.toCopyData();
+
+      const newComment = Blockly.clipboard.paste(data, this.workspace);
+      chai.assert.deepEqual(
+        newComment.getRelativeToSurfaceXY(),
+        new Blockly.utils.Coordinate(60, 60),
+      );
+    });
+  });
+});
diff --git a/tests/mocha/comment_deserialization_test.js b/tests/mocha/comment_deserialization_test.js
new file mode 100644
index 00000000000..843453278e4
--- /dev/null
+++ b/tests/mocha/comment_deserialization_test.js
@@ -0,0 +1,121 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {simulateClick} from './test_helpers/user_input.js';
+
+suite('Comment Deserialization', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    Blockly.defineBlocksWithJsonArray([
+      {
+        'type': 'empty_block',
+        'message0': '',
+        'args0': [],
+      },
+    ]);
+    const toolboxXml = `
+    <xml>
+      <category name="test">
+        <block type="empty_block">
+          <comment pinned="true" h="80" w="160">test toolbox text</comment>
+        </block>
+      </category>
+    </xml>
+    `;
+    this.workspace = Blockly.inject('blocklyDiv', {
+      comments: true,
+      scrollbars: true,
+      trashcan: true,
+      maxTrashcanContents: Infinity,
+      toolbox: Blockly.utils.xml.textToDom(toolboxXml),
+    });
+  });
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+  suite('Pattern', function () {
+    teardown(function () {
+      // Delete all blocks.
+      this.workspace.clear();
+    });
+    function createBlock(workspace) {
+      const block = Blockly.Xml.domToBlock(
+        Blockly.utils.xml.textToDom('<block type="empty_block"/>'),
+        workspace,
+      );
+      block.setCommentText('test text');
+      return block;
+    }
+    function assertComment(workspace, text) {
+      // Show comment.
+      const block = workspace.getAllBlocks()[0];
+      const icon = block.getIcon(Blockly.icons.CommentIcon.TYPE);
+      icon.setBubbleVisible(true);
+      // Check comment bubble size.
+      const bubbleSize = icon.getBubbleSize();
+      chai.assert.isNotNaN(bubbleSize.width);
+      chai.assert.isNotNaN(bubbleSize.height);
+      chai.assert.equal(icon.getText(), text);
+    }
+    test('Trashcan', function () {
+      // Create block.
+      this.block = createBlock(this.workspace);
+      // Delete block.
+      this.block.checkAndDelete();
+      chai.assert.equal(this.workspace.getAllBlocks().length, 0);
+      // Open trashcan.
+      simulateClick(this.workspace.trashcan.svgGroup);
+      // Place from trashcan.
+      simulateClick(
+        this.workspace.trashcan.flyout.svgGroup_.querySelector('.blocklyPath'),
+      );
+      chai.assert.equal(this.workspace.getAllBlocks().length, 1);
+      // Check comment.
+      assertComment(this.workspace, 'test text');
+    });
+    test('Undo', function () {
+      // Create block.
+      this.block = createBlock(this.workspace);
+      // Delete block.
+      this.block.checkAndDelete();
+      chai.assert.equal(this.workspace.getAllBlocks().length, 0);
+      // Undo.
+      this.workspace.undo(false);
+      chai.assert.equal(this.workspace.getAllBlocks().length, 1);
+      // Check comment.
+      assertComment(this.workspace, 'test text');
+    });
+    test('Redo', function () {
+      // Create block.
+      this.block = createBlock(this.workspace);
+      // Undo & undo.
+      this.workspace.undo(false);
+      this.workspace.undo(false);
+      chai.assert.equal(this.workspace.getAllBlocks().length, 0);
+      // Redo & redo.
+      this.workspace.undo(true);
+      this.workspace.undo(true);
+      chai.assert.equal(this.workspace.getAllBlocks().length, 1);
+      // Check comment.
+      assertComment(this.workspace, 'test text');
+    });
+    test('Toolbox', function () {
+      // Place from toolbox.
+      const toolbox = this.workspace.getToolbox();
+      simulateClick(toolbox.HtmlDiv.querySelector('.blocklyTreeRow'));
+      simulateClick(
+        toolbox.getFlyout().svgGroup_.querySelector('.blocklyPath'),
+      );
+      chai.assert.equal(this.workspace.getAllBlocks().length, 1);
+      // Check comment.
+      assertComment(this.workspace, 'test toolbox text');
+    });
+  });
+});
diff --git a/tests/mocha/comment_test.js b/tests/mocha/comment_test.js
index 55824823ba0..452f07493cf 100644
--- a/tests/mocha/comment_test.js
+++ b/tests/mocha/comment_test.js
@@ -4,121 +4,139 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Comments', function() {
-  setup(function() {
+import {assertEventFired} from './test_helpers/events.js';
+import * as eventUtils from '../../build/src/core/events/utils.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Comments', function () {
+  setup(function () {
     sharedTestSetup.call(this);
     Blockly.defineBlocksWithJsonArray([
       {
-        "type": "empty_block",
-        "message0": "",
-        "args0": []
+        'type': 'empty_block',
+        'message0': '',
+        'args0': [],
       },
     ]);
     this.workspace = Blockly.inject('blocklyDiv', {
       comments: true,
-      scrollbars: true
+      scrollbars: true,
     });
-    this.block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-        '<block type="empty_block"/>'
-    ), this.workspace);
-    this.comment = new Blockly.Comment(this.block);
-    this.comment.computeIconLocation();
+    this.block = Blockly.Xml.domToBlock(
+      Blockly.utils.xml.textToDom('<block type="empty_block"/>'),
+      this.workspace,
+    );
+    this.comment = new Blockly.icons.CommentIcon(this.block);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
-  suite('Visibility and Editability', function() {
-    setup(function() {
+  suite('Visibility and Editability', function () {
+    setup(function () {
       this.block.setCommentText('test text');
     });
 
     function assertEditable(comment) {
-      chai.assert.isNotOk(comment.paragraphElement_);
-      chai.assert.isOk(comment.textarea_);
-      chai.assert.equal(comment.textarea_.value, 'test text');
+      chai.assert.isNotOk(comment.textBubble);
+      chai.assert.isOk(comment.textInputBubble);
     }
     function assertNotEditable(comment) {
-      chai.assert.isNotOk(comment.textarea_);
-      chai.assert.isOk(comment.paragraphElement_);
-      chai.assert.equal(comment.paragraphElement_.firstChild.textContent,
-          'test text');
+      chai.assert.isNotOk(comment.textInputBubble);
+      chai.assert.isOk(comment.textBubble);
     }
-    test('Editable', function() {
-      this.comment.setVisible(true);
-      chai.assert.isTrue(this.comment.isVisible());
+    test('Editable', async function () {
+      await this.comment.setBubbleVisible(true);
+      chai.assert.isTrue(this.comment.bubbleIsVisible());
       assertEditable(this.comment);
       assertEventFired(
-          this.eventsFireStub, Blockly.Events.Ui,
-          {element: 'commentOpen', oldValue: false, newValue: true},
-          this.workspace.id, this.block.id);
+        this.eventsFireStub,
+        Blockly.Events.BubbleOpen,
+        {bubbleType: 'comment', isOpen: true, type: eventUtils.BUBBLE_OPEN},
+        this.workspace.id,
+        this.block.id,
+      );
     });
-    test('Not Editable', function() {
+    test('Not Editable', async function () {
       sinon.stub(this.block, 'isEditable').returns(false);
 
-      this.comment.setVisible(true);
-      chai.assert.isTrue(this.comment.isVisible());
+      await this.comment.setBubbleVisible(true);
+
+      chai.assert.isTrue(this.comment.bubbleIsVisible());
       assertNotEditable(this.comment);
       assertEventFired(
-          this.eventsFireStub, Blockly.Events.Ui,
-          {element: 'commentOpen', oldValue: false, newValue: true},
-          this.workspace.id, this.block.id);
+        this.eventsFireStub,
+        Blockly.Events.BubbleOpen,
+        {bubbleType: 'comment', isOpen: true, type: eventUtils.BUBBLE_OPEN},
+        this.workspace.id,
+        this.block.id,
+      );
     });
-    test('Editable -> Not Editable', function() {
-      this.comment.setVisible(true);
+    test('Editable -> Not Editable', async function () {
+      await this.comment.setBubbleVisible(true);
       sinon.stub(this.block, 'isEditable').returns(false);
 
-      this.comment.updateEditable();
-      chai.assert.isTrue(this.comment.isVisible());
+      await this.comment.updateEditable();
+
+      chai.assert.isTrue(this.comment.bubbleIsVisible());
       assertNotEditable(this.comment);
       assertEventFired(
-          this.eventsFireStub, Blockly.Events.Ui,
-          {element: 'commentOpen', oldValue: false, newValue: true},
-          this.workspace.id, this.block.id);
+        this.eventsFireStub,
+        Blockly.Events.BubbleOpen,
+        {bubbleType: 'comment', isOpen: true, type: eventUtils.BUBBLE_OPEN},
+        this.workspace.id,
+        this.block.id,
+      );
     });
-    test('Not Editable -> Editable', function() {
-      var editableStub = sinon.stub(this.block, 'isEditable').returns(false);
-      this.comment.setVisible(true);
+    test('Not Editable -> Editable', async function () {
+      const editableStub = sinon.stub(this.block, 'isEditable').returns(false);
+
+      await this.comment.setBubbleVisible(true);
+
       editableStub.returns(true);
 
-      this.comment.updateEditable();
-      chai.assert.isTrue(this.comment.isVisible());
+      await this.comment.updateEditable();
+      chai.assert.isTrue(this.comment.bubbleIsVisible());
       assertEditable(this.comment);
       assertEventFired(
-          this.eventsFireStub, Blockly.Events.Ui,
-          {element: 'commentOpen', oldValue: false, newValue: true},
-          this.workspace.id, this.block.id);
+        this.eventsFireStub,
+        Blockly.Events.BubbleOpen,
+        {bubbleType: 'comment', isOpen: true, type: eventUtils.BUBBLE_OPEN},
+        this.workspace.id,
+        this.block.id,
+      );
     });
   });
-  suite('Set/Get Bubble Size', function() {
-    teardown(function() {
+  suite('Set/Get Bubble Size', function () {
+    teardown(function () {
       sinon.restore();
     });
     function assertBubbleSize(comment, height, width) {
-      var size = comment.getBubbleSize();
+      const size = comment.getBubbleSize();
       chai.assert.equal(size.height, height);
       chai.assert.equal(size.width, width);
     }
     function assertBubbleSizeDefault(comment) {
       assertBubbleSize(comment, 80, 160);
     }
-    test('Set Size While Visible', function() {
-      this.comment.setVisible(true);
-      var bubbleSizeSpy = sinon.spy(this.comment.bubble_, 'setBubbleSize');
+    test('Set Size While Visible', function () {
+      this.comment.setBubbleVisible(true);
 
       assertBubbleSizeDefault(this.comment);
-      this.comment.setBubbleSize(100, 100);
+      this.comment.setBubbleSize(new Blockly.utils.Size(100, 100));
       assertBubbleSize(this.comment, 100, 100);
-      sinon.assert.calledOnce(bubbleSizeSpy);
 
-      this.comment.setVisible(false);
+      this.comment.setBubbleVisible(false);
       assertBubbleSize(this.comment, 100, 100);
     });
-    test('Set Size While Invisible', function() {
+    test('Set Size While Invisible', function () {
       assertBubbleSizeDefault(this.comment);
-      this.comment.setBubbleSize(100, 100);
+      this.comment.setBubbleSize(new Blockly.utils.Size(100, 100));
       assertBubbleSize(this.comment, 100, 100);
 
-      this.comment.setVisible(true);
+      this.comment.setBubbleVisible(true);
       assertBubbleSize(this.comment, 100, 100);
     });
   });
diff --git a/tests/mocha/comment_view_test.js b/tests/mocha/comment_view_test.js
new file mode 100644
index 00000000000..6650848e51f
--- /dev/null
+++ b/tests/mocha/comment_view_test.js
@@ -0,0 +1,199 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Workspace comment', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.inject('blocklyDiv', {});
+    this.commentView = new Blockly.comments.CommentView(this.workspace);
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Listeners', function () {
+    suite('Text change listeners', function () {
+      test('text change listeners are called when text is changed', function () {
+        const spy = sinon.spy();
+        this.commentView.addTextChangeListener(spy);
+
+        this.commentView.setText('test');
+
+        chai.assert.isTrue(
+          spy.calledOnce,
+          'Expected the spy to be called once',
+        );
+        chai.assert.isTrue(
+          spy.calledWith('', 'test'),
+          'Expected the spy to be called with the given args',
+        );
+      });
+
+      test('text change listeners can remove themselves without skipping others', function () {
+        const fake1 = sinon.fake();
+        const fake2 = sinon.fake(() =>
+          this.commentView.removeTextChangeListener(fake2),
+        );
+        const fake3 = sinon.fake();
+        this.commentView.addTextChangeListener(fake1);
+        this.commentView.addTextChangeListener(fake2);
+        this.commentView.addTextChangeListener(fake3);
+
+        this.commentView.setText('test');
+
+        chai.assert.isTrue(
+          fake1.calledOnce,
+          'Expected the first listener to be called',
+        );
+        chai.assert.isTrue(
+          fake2.calledOnce,
+          'Expected the second listener to be called',
+        );
+        chai.assert.isTrue(
+          fake3.calledOnce,
+          'Expected the third listener to be called',
+        );
+      });
+    });
+
+    suite('Size change listeners', function () {
+      test('size change listeners are called when text is changed', function () {
+        const spy = sinon.spy();
+        this.commentView.addSizeChangeListener(spy);
+        const originalSize = this.commentView.getSize();
+        const newSize = new Blockly.utils.Size(1337, 1337);
+
+        this.commentView.setSize(newSize);
+
+        chai.assert.isTrue(
+          spy.calledOnce,
+          'Expected the spy to be called once',
+        );
+        chai.assert.isTrue(
+          spy.calledWith(originalSize, newSize),
+          'Expected the spy to be called with the given args',
+        );
+      });
+
+      test('size change listeners can remove themselves without skipping others', function () {
+        const fake1 = sinon.fake();
+        const fake2 = sinon.fake(() =>
+          this.commentView.removeSizeChangeListener(fake2),
+        );
+        const fake3 = sinon.fake();
+        this.commentView.addSizeChangeListener(fake1);
+        this.commentView.addSizeChangeListener(fake2);
+        this.commentView.addSizeChangeListener(fake3);
+        const newSize = new Blockly.utils.Size(1337, 1337);
+
+        this.commentView.setSize(newSize);
+
+        chai.assert.isTrue(
+          fake1.calledOnce,
+          'Expected the first listener to be called',
+        );
+        chai.assert.isTrue(
+          fake2.calledOnce,
+          'Expected the second listener to be called',
+        );
+        chai.assert.isTrue(
+          fake3.calledOnce,
+          'Expected the third listener to be called',
+        );
+      });
+    });
+
+    suite('Collapse change listeners', function () {
+      test('collapse change listeners are called when text is changed', function () {
+        const spy = sinon.spy();
+        this.commentView.addOnCollapseListener(spy);
+
+        this.commentView.setCollapsed(true);
+
+        chai.assert.isTrue(
+          spy.calledOnce,
+          'Expected the spy to be called once',
+        );
+        chai.assert.isTrue(
+          spy.calledWith(true),
+          'Expected the spy to be called with the given args',
+        );
+      });
+
+      test('collapse change listeners can remove themselves without skipping others', function () {
+        const fake1 = sinon.fake();
+        const fake2 = sinon.fake(() =>
+          this.commentView.removeOnCollapseListener(fake2),
+        );
+        const fake3 = sinon.fake();
+        this.commentView.addOnCollapseListener(fake1);
+        this.commentView.addOnCollapseListener(fake2);
+        this.commentView.addOnCollapseListener(fake3);
+
+        this.commentView.setCollapsed(true);
+
+        chai.assert.isTrue(
+          fake1.calledOnce,
+          'Expected the first listener to be called',
+        );
+        chai.assert.isTrue(
+          fake2.calledOnce,
+          'Expected the second listener to be called',
+        );
+        chai.assert.isTrue(
+          fake3.calledOnce,
+          'Expected the third listener to be called',
+        );
+      });
+    });
+
+    suite('Dispose change listeners', function () {
+      test('dispose listeners are called when text is changed', function () {
+        const spy = sinon.spy();
+        this.commentView.addDisposeListener(spy);
+
+        this.commentView.dispose();
+
+        chai.assert.isTrue(
+          spy.calledOnce,
+          'Expected the spy to be called once',
+        );
+      });
+
+      test('dispose listeners can remove themselves without skipping others', function () {
+        const fake1 = sinon.fake();
+        const fake2 = sinon.fake(() =>
+          this.commentView.removeDisposeListener(fake2),
+        );
+        const fake3 = sinon.fake();
+        this.commentView.addDisposeListener(fake1);
+        this.commentView.addDisposeListener(fake2);
+        this.commentView.addDisposeListener(fake3);
+
+        this.commentView.dispose();
+
+        chai.assert.isTrue(
+          fake1.calledOnce,
+          'Expected the first listener to be called',
+        );
+        chai.assert.isTrue(
+          fake2.calledOnce,
+          'Expected the second listener to be called',
+        );
+        chai.assert.isTrue(
+          fake3.calledOnce,
+          'Expected the third listener to be called',
+        );
+      });
+    });
+  });
+});
diff --git a/tests/mocha/connection_checker_test.js b/tests/mocha/connection_checker_test.js
index cb6b126db38..09797d6a772 100644
--- a/tests/mocha/connection_checker_test.js
+++ b/tests/mocha/connection_checker_test.js
@@ -4,267 +4,662 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Connection checker', function() {
-  setup(function() {
+import {ConnectionType} from '../../build/src/core/connection_type.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Connection checker', function () {
+  setup(function () {
     sharedTestSetup.call(this);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
-  suiteSetup(function() {
+  suiteSetup(function () {
     this.checker = new Blockly.ConnectionChecker();
   });
-  suite('Safety checks', function() {
+  suite('Safety checks', function () {
     function assertReasonHelper(checker, one, two, reason) {
       chai.assert.equal(checker.canConnectWithReason(one, two), reason);
       // Order should not matter.
       chai.assert.equal(checker.canConnectWithReason(two, one), reason);
     }
 
-    test('Target Null', function() {
-      var connection = new Blockly.Connection({}, Blockly.INPUT_VALUE);
+    test('Target Null', function () {
+      const connection = new Blockly.Connection({}, ConnectionType.INPUT_VALUE);
       assertReasonHelper(
-          this.checker,
-          connection,
-          null,
-          Blockly.Connection.REASON_TARGET_NULL);
+        this.checker,
+        connection,
+        null,
+        Blockly.Connection.REASON_TARGET_NULL,
+      );
     });
-    test('Target Self', function() {
-      var block = {workspace: 1};
-      var connection1 = new Blockly.Connection(block, Blockly.INPUT_VALUE);
-      var connection2 = new Blockly.Connection(block, Blockly.OUTPUT_VALUE);
+    test('Target Self', function () {
+      const block = {workspace: 1};
+      const connection1 = new Blockly.Connection(
+        block,
+        ConnectionType.INPUT_VALUE,
+      );
+      const connection2 = new Blockly.Connection(
+        block,
+        ConnectionType.OUTPUT_VALUE,
+      );
 
       assertReasonHelper(
-          this.checker,
-          connection1,
-          connection2,
-          Blockly.Connection.REASON_SELF_CONNECTION);
+        this.checker,
+        connection1,
+        connection2,
+        Blockly.Connection.REASON_SELF_CONNECTION,
+      );
     });
-    test('Different Workspaces', function() {
-      var connection1 = new Blockly.Connection(
-          {workspace: 1}, Blockly.INPUT_VALUE);
-      var connection2 = new Blockly.Connection(
-          {workspace: 2}, Blockly.OUTPUT_VALUE);
+    test('Different Workspaces', function () {
+      const connection1 = new Blockly.Connection(
+        {workspace: 1},
+        ConnectionType.INPUT_VALUE,
+      );
+      const connection2 = new Blockly.Connection(
+        {workspace: 2},
+        ConnectionType.OUTPUT_VALUE,
+      );
 
       assertReasonHelper(
-          this.checker,
-          connection1,
-          connection2,
-          Blockly.Connection.REASON_DIFFERENT_WORKSPACES);
+        this.checker,
+        connection1,
+        connection2,
+        Blockly.Connection.REASON_DIFFERENT_WORKSPACES,
+      );
     });
-    suite('Types', function() {
-      setup(function() {
+    suite('Types', function () {
+      setup(function () {
         // We have to declare each separately so that the connections belong
         // on different blocks.
-        var prevBlock = { isShadow: function() {}};
-        var nextBlock = { isShadow: function() {}};
-        var outBlock = { isShadow: function() {}};
-        var inBlock = { isShadow: function() {}};
+        const prevBlock = {isShadow: function () {}};
+        const nextBlock = {isShadow: function () {}};
+        const outBlock = {isShadow: function () {}};
+        const inBlock = {isShadow: function () {}};
         this.previous = new Blockly.Connection(
-            prevBlock, Blockly.PREVIOUS_STATEMENT);
+          prevBlock,
+          ConnectionType.PREVIOUS_STATEMENT,
+        );
         this.next = new Blockly.Connection(
-            nextBlock, Blockly.NEXT_STATEMENT);
+          nextBlock,
+          ConnectionType.NEXT_STATEMENT,
+        );
         this.output = new Blockly.Connection(
-            outBlock, Blockly.OUTPUT_VALUE);
+          outBlock,
+          ConnectionType.OUTPUT_VALUE,
+        );
         this.input = new Blockly.Connection(
-            inBlock, Blockly.INPUT_VALUE);
+          inBlock,
+          ConnectionType.INPUT_VALUE,
+        );
       });
-      test('Previous, Next', function() {
+      test('Previous, Next', function () {
         assertReasonHelper(
-            this.checker,
-            this.previous,
-            this.next,
-            Blockly.Connection.CAN_CONNECT);
+          this.checker,
+          this.previous,
+          this.next,
+          Blockly.Connection.CAN_CONNECT,
+        );
       });
-      test('Previous, Output', function() {
+      test('Previous, Output', function () {
         assertReasonHelper(
-            this.checker,
-            this.previous,
-            this.output,
-            Blockly.Connection.REASON_WRONG_TYPE);
+          this.checker,
+          this.previous,
+          this.output,
+          Blockly.Connection.REASON_WRONG_TYPE,
+        );
       });
-      test('Previous, Input', function() {
+      test('Previous, Input', function () {
         assertReasonHelper(
-            this.checker,
-            this.previous,
-            this.input,
-            Blockly.Connection.REASON_WRONG_TYPE);
+          this.checker,
+          this.previous,
+          this.input,
+          Blockly.Connection.REASON_WRONG_TYPE,
+        );
       });
-      test('Next, Previous', function() {
+      test('Next, Previous', function () {
         assertReasonHelper(
-            this.checker,
-            this.next,
-            this.previous,
-            Blockly.Connection.CAN_CONNECT);
+          this.checker,
+          this.next,
+          this.previous,
+          Blockly.Connection.CAN_CONNECT,
+        );
       });
-      test('Next, Output', function() {
+      test('Next, Output', function () {
         assertReasonHelper(
-            this.checker,
-            this.next,
-            this.output,
-            Blockly.Connection.REASON_WRONG_TYPE);
+          this.checker,
+          this.next,
+          this.output,
+          Blockly.Connection.REASON_WRONG_TYPE,
+        );
       });
-      test('Next, Input', function() {
+      test('Next, Input', function () {
         assertReasonHelper(
-            this.checker,
-            this.next,
-            this.input,
-            Blockly.Connection.REASON_WRONG_TYPE);
+          this.checker,
+          this.next,
+          this.input,
+          Blockly.Connection.REASON_WRONG_TYPE,
+        );
       });
-      test('Output, Previous', function() {
+      test('Output, Previous', function () {
         assertReasonHelper(
-            this.checker,
-            this.previous,
-            this.output,
-            Blockly.Connection.REASON_WRONG_TYPE);
+          this.checker,
+          this.previous,
+          this.output,
+          Blockly.Connection.REASON_WRONG_TYPE,
+        );
       });
-      test('Output, Next', function() {
+      test('Output, Next', function () {
         assertReasonHelper(
-            this.checker,
-            this.output,
-            this.next,
-            Blockly.Connection.REASON_WRONG_TYPE);
+          this.checker,
+          this.output,
+          this.next,
+          Blockly.Connection.REASON_WRONG_TYPE,
+        );
       });
-      test('Output, Input', function() {
+      test('Output, Input', function () {
         assertReasonHelper(
-            this.checker,
-            this.output,
-            this.input,
-            Blockly.Connection.CAN_CONNECT);
+          this.checker,
+          this.output,
+          this.input,
+          Blockly.Connection.CAN_CONNECT,
+        );
       });
-      test('Input, Previous', function() {
+      test('Input, Previous', function () {
         assertReasonHelper(
-            this.checker,
-            this.previous,
-            this.input,
-            Blockly.Connection.REASON_WRONG_TYPE);
+          this.checker,
+          this.previous,
+          this.input,
+          Blockly.Connection.REASON_WRONG_TYPE,
+        );
       });
-      test('Input, Next', function() {
+      test('Input, Next', function () {
         assertReasonHelper(
-            this.checker,
-            this.input,
-            this.next,
-            Blockly.Connection.REASON_WRONG_TYPE);
+          this.checker,
+          this.input,
+          this.next,
+          Blockly.Connection.REASON_WRONG_TYPE,
+        );
       });
-      test('Input, Output', function() {
+      test('Input, Output', function () {
         assertReasonHelper(
-            this.checker,
-            this.input,
-            this.output,
-            Blockly.Connection.CAN_CONNECT);
+          this.checker,
+          this.input,
+          this.output,
+          Blockly.Connection.CAN_CONNECT,
+        );
       });
     });
-    suite('Shadows', function() {
-      test('Previous Shadow', function() {
-        var prevBlock = { isShadow: function() { return true; }};
-        var nextBlock = { isShadow: function() { return false; }};
-        var prev = new Blockly.Connection(prevBlock, Blockly.PREVIOUS_STATEMENT);
-        var next = new Blockly.Connection(nextBlock, Blockly.NEXT_STATEMENT);
+    suite('Shadows', function () {
+      test('Previous Shadow', function () {
+        const prevBlock = {
+          isShadow: function () {
+            return true;
+          },
+        };
+        const nextBlock = {
+          isShadow: function () {
+            return false;
+          },
+        };
+        const prev = new Blockly.Connection(
+          prevBlock,
+          ConnectionType.PREVIOUS_STATEMENT,
+        );
+        const next = new Blockly.Connection(
+          nextBlock,
+          ConnectionType.NEXT_STATEMENT,
+        );
+
+        assertReasonHelper(
+          this.checker,
+          prev,
+          next,
+          Blockly.Connection.CAN_CONNECT,
+        );
+      });
+      test('Next Shadow', function () {
+        const prevBlock = {
+          isShadow: function () {
+            return false;
+          },
+        };
+        const nextBlock = {
+          isShadow: function () {
+            return true;
+          },
+        };
+        const prev = new Blockly.Connection(
+          prevBlock,
+          ConnectionType.PREVIOUS_STATEMENT,
+        );
+        const next = new Blockly.Connection(
+          nextBlock,
+          ConnectionType.NEXT_STATEMENT,
+        );
+
+        assertReasonHelper(
+          this.checker,
+          prev,
+          next,
+          Blockly.Connection.REASON_SHADOW_PARENT,
+        );
+      });
+      test('Prev and Next Shadow', function () {
+        const prevBlock = {
+          isShadow: function () {
+            return true;
+          },
+        };
+        const nextBlock = {
+          isShadow: function () {
+            return true;
+          },
+        };
+        const prev = new Blockly.Connection(
+          prevBlock,
+          ConnectionType.PREVIOUS_STATEMENT,
+        );
+        const next = new Blockly.Connection(
+          nextBlock,
+          ConnectionType.NEXT_STATEMENT,
+        );
 
         assertReasonHelper(
-            this.checker,
-            prev,
-            next,
-            Blockly.Connection.CAN_CONNECT);
+          this.checker,
+          prev,
+          next,
+          Blockly.Connection.CAN_CONNECT,
+        );
       });
-      test('Next Shadow', function() {
-        var prevBlock = { isShadow: function() { return false; }};
-        var nextBlock = { isShadow: function() { return true; }};
-        var prev = new Blockly.Connection(prevBlock, Blockly.PREVIOUS_STATEMENT);
-        var next = new Blockly.Connection(nextBlock, Blockly.NEXT_STATEMENT);
+      test('Output Shadow', function () {
+        const outBlock = {
+          isShadow: function () {
+            return true;
+          },
+        };
+        const inBlock = {
+          isShadow: function () {
+            return false;
+          },
+        };
+        const outCon = new Blockly.Connection(
+          outBlock,
+          ConnectionType.OUTPUT_VALUE,
+        );
+        const inCon = new Blockly.Connection(
+          inBlock,
+          ConnectionType.INPUT_VALUE,
+        );
 
         assertReasonHelper(
-            this.checker,
-            prev,
-            next,
-            Blockly.Connection.REASON_SHADOW_PARENT);
+          this.checker,
+          outCon,
+          inCon,
+          Blockly.Connection.CAN_CONNECT,
+        );
       });
-      test('Prev and Next Shadow', function() {
-        var prevBlock = { isShadow: function() { return true; }};
-        var nextBlock = { isShadow: function() { return true; }};
-        var prev = new Blockly.Connection(prevBlock, Blockly.PREVIOUS_STATEMENT);
-        var next = new Blockly.Connection(nextBlock, Blockly.NEXT_STATEMENT);
+      test('Input Shadow', function () {
+        const outBlock = {
+          isShadow: function () {
+            return false;
+          },
+        };
+        const inBlock = {
+          isShadow: function () {
+            return true;
+          },
+        };
+        const outCon = new Blockly.Connection(
+          outBlock,
+          ConnectionType.OUTPUT_VALUE,
+        );
+        const inCon = new Blockly.Connection(
+          inBlock,
+          ConnectionType.INPUT_VALUE,
+        );
 
         assertReasonHelper(
-            this.checker,
-            prev,
-            next,
-            Blockly.Connection.CAN_CONNECT);
+          this.checker,
+          outCon,
+          inCon,
+          Blockly.Connection.REASON_SHADOW_PARENT,
+        );
       });
-      test('Output Shadow', function() {
-        var outBlock = { isShadow: function() { return true; }};
-        var inBlock = { isShadow: function() { return false; }};
-        var outCon = new Blockly.Connection(outBlock, Blockly.OUTPUT_VALUE);
-        var inCon = new Blockly.Connection(inBlock, Blockly.INPUT_VALUE);
+      test('Output and Input Shadow', function () {
+        const outBlock = {
+          isShadow: function () {
+            return true;
+          },
+        };
+        const inBlock = {
+          isShadow: function () {
+            return true;
+          },
+        };
+        const outCon = new Blockly.Connection(
+          outBlock,
+          ConnectionType.OUTPUT_VALUE,
+        );
+        const inCon = new Blockly.Connection(
+          inBlock,
+          ConnectionType.INPUT_VALUE,
+        );
 
         assertReasonHelper(
-            this.checker,
-            outCon,
-            inCon,
-            Blockly.Connection.CAN_CONNECT);
+          this.checker,
+          outCon,
+          inCon,
+          Blockly.Connection.CAN_CONNECT,
+        );
       });
-      test('Input Shadow', function() {
-        var outBlock = { isShadow: function() { return false; }};
-        var inBlock = { isShadow: function() { return true; }};
-        var outCon = new Blockly.Connection(outBlock, Blockly.OUTPUT_VALUE);
-        var inCon = new Blockly.Connection(inBlock, Blockly.INPUT_VALUE);
+    });
+    suite('Output and Previous', function () {
+      /**
+       * Update two connections to target each other.
+       * @param {Connection} first The first connection to update.
+       * @param {Connection} second The second connection to update.
+       */
+      const connectReciprocally = function (first, second) {
+        if (!first || !second) {
+          throw Error('Cannot connect null connections.');
+        }
+        first.targetConnection = second;
+        second.targetConnection = first;
+      };
+      test('Output connected, adding previous', function () {
+        const outBlock = {
+          isShadow: function () {},
+        };
+        const inBlock = {
+          isShadow: function () {},
+        };
+        const outCon = new Blockly.Connection(
+          outBlock,
+          ConnectionType.OUTPUT_VALUE,
+        );
+        const inCon = new Blockly.Connection(
+          inBlock,
+          ConnectionType.INPUT_VALUE,
+        );
+        outBlock.outputConnection = outCon;
+        inBlock.inputConnection = inCon;
+        connectReciprocally(inCon, outCon);
+        const prevCon = new Blockly.Connection(
+          outBlock,
+          ConnectionType.PREVIOUS_STATEMENT,
+        );
+        const nextBlock = {
+          isShadow: function () {},
+        };
+        const nextCon = new Blockly.Connection(
+          nextBlock,
+          ConnectionType.NEXT_STATEMENT,
+        );
 
         assertReasonHelper(
-            this.checker,
-            outCon,
-            inCon,
-            Blockly.Connection.REASON_SHADOW_PARENT);
+          this.checker,
+          prevCon,
+          nextCon,
+          Blockly.Connection.REASON_PREVIOUS_AND_OUTPUT,
+        );
       });
-      test('Output and Input Shadow', function() {
-        var outBlock = { isShadow: function() { return true; }};
-        var inBlock = { isShadow: function() { return true; }};
-        var outCon = new Blockly.Connection(outBlock, Blockly.OUTPUT_VALUE);
-        var inCon = new Blockly.Connection(inBlock, Blockly.INPUT_VALUE);
+      test('Previous connected, adding output', function () {
+        const prevBlock = {
+          isShadow: function () {},
+        };
+        const nextBlock = {
+          isShadow: function () {},
+        };
+        const prevCon = new Blockly.Connection(
+          prevBlock,
+          ConnectionType.PREVIOUS_STATEMENT,
+        );
+        const nextCon = new Blockly.Connection(
+          nextBlock,
+          ConnectionType.NEXT_STATEMENT,
+        );
+        prevBlock.previousConnection = prevCon;
+        nextBlock.nextConnection = nextCon;
+        connectReciprocally(prevCon, nextCon);
+        const outCon = new Blockly.Connection(
+          prevBlock,
+          ConnectionType.OUTPUT_VALUE,
+        );
+        const inBlock = {
+          isShadow: function () {},
+        };
+        const inCon = new Blockly.Connection(
+          inBlock,
+          ConnectionType.INPUT_VALUE,
+        );
 
         assertReasonHelper(
-            this.checker,
-            outCon,
-            inCon,
-            Blockly.Connection.CAN_CONNECT);
+          this.checker,
+          outCon,
+          inCon,
+          Blockly.Connection.REASON_PREVIOUS_AND_OUTPUT,
+        );
       });
     });
   });
-  suite('Check Types', function() {
-    setup(function() {
-      this.con1 = new Blockly.Connection({}, Blockly.PREVIOUS_STATEMENT);
-      this.con2 = new Blockly.Connection({}, Blockly.NEXT_STATEMENT);
+  suite('Check Types', function () {
+    setup(function () {
+      this.con1 = new Blockly.Connection({}, ConnectionType.PREVIOUS_STATEMENT);
+      this.con2 = new Blockly.Connection({}, ConnectionType.NEXT_STATEMENT);
     });
     function assertCheckTypes(checker, one, two) {
       chai.assert.isTrue(checker.doTypeChecks(one, two));
       // Order should not matter.
       chai.assert.isTrue(checker.doTypeChecks(one, two));
     }
-    test('No Types', function() {
+    test('No Types', function () {
       assertCheckTypes(this.checker, this.con1, this.con2);
     });
-    test('Same Type', function() {
+    test('Same Type', function () {
       this.con1.setCheck('type1');
       this.con2.setCheck('type1');
       assertCheckTypes(this.checker, this.con1, this.con2);
     });
-    test('Same Types', function() {
+    test('Same Types', function () {
       this.con1.setCheck(['type1', 'type2']);
       this.con2.setCheck(['type1', 'type2']);
       assertCheckTypes(this.checker, this.con1, this.con2);
     });
-    test('Single Same Type', function() {
+    test('Single Same Type', function () {
       this.con1.setCheck(['type1', 'type2']);
       this.con2.setCheck(['type1', 'type3']);
       assertCheckTypes(this.checker, this.con1, this.con2);
     });
-    test('One Typed, One Promiscuous', function() {
+    test('One Typed, One Promiscuous', function () {
       this.con1.setCheck('type1');
       assertCheckTypes(this.checker, this.con1, this.con2);
     });
-    test('No Compatible Types', function() {
+    test('No Compatible Types', function () {
       this.con1.setCheck('type1');
       this.con2.setCheck('type2');
       chai.assert.isFalse(this.checker.doTypeChecks(this.con1, this.con2));
     });
   });
+  suite('Dragging Checks', function () {
+    suite('Stacks', function () {
+      setup(function () {
+        this.workspace = Blockly.inject('blocklyDiv');
+        // Load in three blocks: A and B are connected (next/prev); B is unmovable.
+        Blockly.Xml.domToWorkspace(
+          Blockly.utils.xml
+            .textToDom(`<xml xmlns="https://developers.google.com/blockly/xml">
+        <block type="text_print" id="A" x="-76" y="-112">
+          <next>
+            <block type="text_print" id="B" movable="false">
+            </block>
+          </next>
+        </block>
+        <block type="text_print" id="C" x="47" y="-118"/>
+      </xml>`),
+          this.workspace,
+        );
+        [this.blockA, this.blockB, this.blockC] =
+          this.workspace.getAllBlocks(true);
+        this.checker = this.workspace.connectionChecker;
+      });
+
+      test('Connect a stack', function () {
+        // block C is not connected to block A; both are movable.
+        chai.assert.isTrue(
+          this.checker.doDragChecks(
+            this.blockC.nextConnection,
+            this.blockA.previousConnection,
+            9000,
+          ),
+          'Should connect two compatible stack blocks',
+        );
+      });
+
+      test('Connect to unmovable shadow block', function () {
+        // Remove original test blocks.
+        this.workspace.clear();
+
+        // Add the same test blocks, but this time block B is a shadow block.
+        Blockly.Xml.domToWorkspace(
+          Blockly.utils.xml
+            .textToDom(`<xml xmlns="https://developers.google.com/blockly/xml">
+        <block type="text_print" id="A" x="-76" y="-112">
+          <next>
+            <shadow type="text_print" id="B" movable="false">
+            </shadow>
+          </next>
+        </block>
+        <block type="text_print" id="C" x="47" y="-118"/>
+      </xml>`),
+          this.workspace,
+        );
+        [this.blockA, this.blockB, this.blockC] =
+          this.workspace.getAllBlocks(true);
+
+        // Try to connect blockC into the input connection of blockA, replacing blockB.
+        // This is allowed because shadow blocks can always be replaced, even though
+        // they are unmovable.
+        chai.assert.isTrue(
+          this.checker.doDragChecks(
+            this.blockC.previousConnection,
+            this.blockA.nextConnection,
+            9000,
+          ),
+          'Should connect in place of a shadow block',
+        );
+      });
+
+      test('Do not splice into unmovable stack', function () {
+        // Try to connect blockC above blockB. It shouldn't work because B is not movable
+        // and is already connected to A's nextConnection.
+        chai.assert.isFalse(
+          this.checker.doDragChecks(
+            this.blockC.previousConnection,
+            this.blockA.nextConnection,
+            9000,
+          ),
+          'Should not splice in a block above an unmovable block',
+        );
+      });
+
+      test('Connect to bottom of unmovable stack', function () {
+        // Try to connect blockC below blockB.
+        // This is allowed even though B is not movable because it is on B's nextConnection.
+        chai.assert.isTrue(
+          this.checker.doDragChecks(
+            this.blockC.previousConnection,
+            this.blockB.nextConnection,
+            9000,
+          ),
+          'Should connect below an unmovable stack block',
+        );
+      });
+
+      test('Connect to unconnected unmovable block', function () {
+        this.blockB.previousConnection.disconnect();
+        this.blockA.dispose();
+
+        // Try to connect blockC above blockB.
+        // This is allowed because we're not splicing into a stack.
+        chai.assert.isTrue(
+          this.checker.doDragChecks(
+            this.blockC.nextConnection,
+            this.blockB.previousConnection,
+            9000,
+          ),
+          'Should connect above an unconnected unmovable block',
+        );
+      });
+    });
+    suite('Rows', function () {
+      setup(function () {
+        this.workspace = Blockly.inject('blocklyDiv');
+        // Load 3 blocks: A and B are connected (input/output); B is unmovable.
+        Blockly.Xml.domToWorkspace(
+          Blockly.utils.xml
+            .textToDom(`<xml xmlns="https://developers.google.com/blockly/xml">
+        <block type="test_basic_row" id="A" x="38" y="37">
+          <value name="INPUT">
+            <block type="test_basic_row" id="B" movable="false"></block>
+          </value>
+        </block>
+        <block type="test_basic_row" id="C" x="38" y="87"></block>
+      </xml>`),
+          this.workspace,
+        );
+        [this.blockA, this.blockB, this.blockC] =
+          this.workspace.getAllBlocks(true);
+        this.checker = this.workspace.connectionChecker;
+      });
+
+      test('Do not splice into unmovable block row', function () {
+        // Try to connect C's output to A's input. Should fail because
+        // A is already connected to B, which is unmovable.
+        const inputConnection = this.blockA.inputList[0].connection;
+        chai.assert.isFalse(
+          this.checker.doDragChecks(
+            this.blockC.outputConnection,
+            inputConnection,
+            9000,
+          ),
+          'Should not splice in a block before an unmovable block',
+        );
+      });
+
+      test('Connect to end of unmovable block', function () {
+        // Make blockC unmovable
+        this.blockC.setMovable(false);
+        // Try to connect A's output to C's input. This is allowed.
+        const inputConnection = this.blockC.inputList[0].connection;
+        chai.assert.isTrue(
+          this.checker.doDragChecks(
+            this.blockA.outputConnection,
+            inputConnection,
+            9000,
+          ),
+          'Should connect to end of unmovable block',
+        );
+      });
+
+      test('Connect to unconnected unmovable block', function () {
+        this.blockB.outputConnection.disconnect();
+        this.blockA.dispose();
+
+        // Try to connect C's input to B's output. Allowed because B is now unconnected.
+        const inputConnection = this.blockC.inputList[0].connection;
+        chai.assert.isTrue(
+          this.checker.doDragChecks(
+            inputConnection,
+            this.blockB.outputConnection,
+            9000,
+          ),
+          'Should connect to unconnected unmovable block',
+        );
+      });
+    });
+  });
 });
diff --git a/tests/mocha/connection_db_test.js b/tests/mocha/connection_db_test.js
index d05c7ba98bc..9cf579f1b1d 100644
--- a/tests/mocha/connection_db_test.js
+++ b/tests/mocha/connection_db_test.js
@@ -4,74 +4,93 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Connection Database', function() {
-  setup(function() {
+import {ConnectionType} from '../../build/src/core/connection_type.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Connection Database', function () {
+  setup(function () {
     sharedTestSetup.call(this);
     this.database = new Blockly.ConnectionDB(new Blockly.ConnectionChecker());
 
-    this.assertOrder = function() {
-      var length = this.database.connections_.length;
-      for (var i = 1; i < length; i++) {
-        chai.assert.isAtMost(this.database.connections_[i - 1].y,
-            this.database.connections_[i].y);
+    this.assertOrder = function () {
+      const length = this.database.connections.length;
+      for (let i = 1; i < length; i++) {
+        chai.assert.isAtMost(
+          this.database.connections[i - 1].y,
+          this.database.connections[i].y,
+        );
       }
     };
-    this.createConnection = function(x, y, type, opt_database) {
-      var workspace = {
-        connectionDBList: []
+    this.createConnection = function (x, y, type, opt_database) {
+      const workspace = {
+        connectionDBList: [],
       };
       workspace.connectionDBList[type] = opt_database || this.database;
-      var connection = new Blockly.RenderedConnection(
-          {workspace: workspace}, type);
+      const connection = new Blockly.RenderedConnection(
+        {workspace: workspace},
+        type,
+      );
       connection.x = x;
       connection.y = y;
       return connection;
     };
-    this.createSimpleTestConnections = function() {
-      for (var i = 0; i < 10; i++) {
-        var connection = this.createConnection(0, i, Blockly.PREVIOUS_STATEMENT);
+    this.createSimpleTestConnections = function () {
+      for (let i = 0; i < 10; i++) {
+        const connection = this.createConnection(
+          0,
+          i,
+          ConnectionType.PREVIOUS_STATEMENT,
+        );
         this.database.addConnection(connection, i);
       }
     };
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
-  test('Add Connection', function() {
-    var y2 = {y: 2};
-    var y4 = {y: 4};
-    var y1 = {y: 1};
-    var y3a = {y: 3};
-    var y3b = {y: 3};
+  test('Add Connection', function () {
+    const y2 = {y: 2};
+    const y4 = {y: 4};
+    const y1 = {y: 1};
+    const y3a = {y: 3};
+    const y3b = {y: 3};
 
     this.database.addConnection(y2, 2);
-    chai.assert.sameOrderedMembers(
-        this.database.connections_, [y2]);
+    chai.assert.sameOrderedMembers(this.database.connections, [y2]);
 
     this.database.addConnection(y4, 4);
-    chai.assert.sameOrderedMembers(
-        this.database.connections_, [y2, y4]);
+    chai.assert.sameOrderedMembers(this.database.connections, [y2, y4]);
 
     this.database.addConnection(y1, 1);
-    chai.assert.sameOrderedMembers(
-        this.database.connections_, [y1, y2, y4]);
+    chai.assert.sameOrderedMembers(this.database.connections, [y1, y2, y4]);
 
     this.database.addConnection(y3a, 3);
-    chai.assert.sameOrderedMembers(
-        this.database.connections_, [y1, y2, y3a, y4]);
+    chai.assert.sameOrderedMembers(this.database.connections, [
+      y1,
+      y2,
+      y3a,
+      y4,
+    ]);
 
     this.database.addConnection(y3b, 3);
-    chai.assert.sameOrderedMembers(
-        this.database.connections_, [y1, y2, y3b, y3a, y4]);
-
+    chai.assert.sameOrderedMembers(this.database.connections, [
+      y1,
+      y2,
+      y3b,
+      y3a,
+      y4,
+    ]);
   });
-  test('Remove Connection', function() {
-    var y2 = {y: 2};
-    var y4 = {y: 4};
-    var y1 = {y: 1};
-    var y3a = {y: 3};
-    var y3b = {y: 3};
-    var y3c = {y: 3};
+  test('Remove Connection', function () {
+    const y2 = {y: 2};
+    const y4 = {y: 4};
+    const y1 = {y: 1};
+    const y3a = {y: 3};
+    const y3b = {y: 3};
+    const y3c = {y: 3};
 
     this.database.addConnection(y2, 2);
     this.database.addConnection(y4, 4);
@@ -80,186 +99,275 @@ suite('Connection Database', function() {
     this.database.addConnection(y3b, 3);
     this.database.addConnection(y3a, 3);
 
-    chai.assert.sameOrderedMembers(
-        this.database.connections_, [y1, y2, y3a, y3b, y3c, y4]);
+    chai.assert.sameOrderedMembers(this.database.connections, [
+      y1,
+      y2,
+      y3a,
+      y3b,
+      y3c,
+      y4,
+    ]);
 
     this.database.removeConnection(y2, 2);
-    chai.assert.sameOrderedMembers(
-        this.database.connections_, [y1, y3a, y3b, y3c, y4]);
+    chai.assert.sameOrderedMembers(this.database.connections, [
+      y1,
+      y3a,
+      y3b,
+      y3c,
+      y4,
+    ]);
 
     this.database.removeConnection(y4, 4);
-    chai.assert.sameOrderedMembers(
-        this.database.connections_, [y1, y3a, y3b, y3c]);
+    chai.assert.sameOrderedMembers(this.database.connections, [
+      y1,
+      y3a,
+      y3b,
+      y3c,
+    ]);
 
     this.database.removeConnection(y1, 1);
-    chai.assert.sameOrderedMembers(
-        this.database.connections_, [y3a, y3b, y3c]);
+    chai.assert.sameOrderedMembers(this.database.connections, [y3a, y3b, y3c]);
 
     this.database.removeConnection(y3a, 3);
-    chai.assert.sameOrderedMembers(
-        this.database.connections_, [y3b, y3c]);
+    chai.assert.sameOrderedMembers(this.database.connections, [y3b, y3c]);
 
     this.database.removeConnection(y3c, 3);
-    chai.assert.sameOrderedMembers(
-        this.database.connections_, [y3b]);
+    chai.assert.sameOrderedMembers(this.database.connections, [y3b]);
 
     this.database.removeConnection(y3b, 3);
-    chai.assert.isEmpty(this.database.connections_);
+    chai.assert.isEmpty(this.database.connections);
   });
-  suite('Get Neighbors', function() {
-    test('Empty Database', function() {
-      var connection = this.createConnection(0, 0, Blockly.NEXT_STATEMENT,
-          new Blockly.ConnectionDB());
+  suite('Get Neighbors', function () {
+    test('Empty Database', function () {
+      const connection = this.createConnection(
+        0,
+        0,
+        ConnectionType.NEXT_STATEMENT,
+        new Blockly.ConnectionDB(),
+      );
       chai.assert.isEmpty(this.database.getNeighbours(connection), 100);
     });
-    test('Block At Top', function() {
+    test('Block At Top', function () {
       this.createSimpleTestConnections();
 
-      var checkConnection = this.createConnection(0, 0, Blockly.NEXT_STATEMENT,
-          new Blockly.ConnectionDB());
-      var neighbors = this.database.getNeighbours(checkConnection, 4);
-      chai.assert.sameMembers(neighbors, this.database.connections_.slice(0, 5));
+      const checkConnection = this.createConnection(
+        0,
+        0,
+        ConnectionType.NEXT_STATEMENT,
+        new Blockly.ConnectionDB(),
+      );
+      const neighbors = this.database.getNeighbours(checkConnection, 4);
+      chai.assert.sameMembers(neighbors, this.database.connections.slice(0, 5));
     });
-    test('Block In Middle', function() {
+    test('Block In Middle', function () {
       this.createSimpleTestConnections();
 
-      var checkConnection = this.createConnection(0, 4, Blockly.NEXT_STATEMENT,
-          new Blockly.ConnectionDB());
-      var neighbors = this.database.getNeighbours(checkConnection, 2);
-      chai.assert.sameMembers(neighbors, this.database.connections_.slice(2, 7));
+      const checkConnection = this.createConnection(
+        0,
+        4,
+        ConnectionType.NEXT_STATEMENT,
+        new Blockly.ConnectionDB(),
+      );
+      const neighbors = this.database.getNeighbours(checkConnection, 2);
+      chai.assert.sameMembers(neighbors, this.database.connections.slice(2, 7));
     });
-    test('Block At End', function() {
+    test('Block At End', function () {
       this.createSimpleTestConnections();
 
-      var checkConnection = this.createConnection(0, 9, Blockly.NEXT_STATEMENT,
-          new Blockly.ConnectionDB());
-      var neighbors = this.database.getNeighbours(checkConnection, 4);
-      chai.assert.sameMembers(neighbors, this.database.connections_.slice(5, 10));
+      const checkConnection = this.createConnection(
+        0,
+        9,
+        ConnectionType.NEXT_STATEMENT,
+        new Blockly.ConnectionDB(),
+      );
+      const neighbors = this.database.getNeighbours(checkConnection, 4);
+      chai.assert.sameMembers(
+        neighbors,
+        this.database.connections.slice(5, 10),
+      );
     });
-    test('Out of Range X', function() {
+    test('Out of Range X', function () {
       this.createSimpleTestConnections();
 
-      var checkConnection = this.createConnection(10, 9, Blockly.NEXT_STATEMENT,
-          new Blockly.ConnectionDB());
-      var neighbors = this.database.getNeighbours(checkConnection, 4);
+      const checkConnection = this.createConnection(
+        10,
+        9,
+        ConnectionType.NEXT_STATEMENT,
+        new Blockly.ConnectionDB(),
+      );
+      const neighbors = this.database.getNeighbours(checkConnection, 4);
       chai.assert.isEmpty(neighbors);
     });
-    test('Out of Range Y', function() {
+    test('Out of Range Y', function () {
       this.createSimpleTestConnections();
 
-      var checkConnection = this.createConnection(0, 19, Blockly.NEXT_STATEMENT,
-          new Blockly.ConnectionDB());
-      var neighbors = this.database.getNeighbours(checkConnection, 4);
+      const checkConnection = this.createConnection(
+        0,
+        19,
+        ConnectionType.NEXT_STATEMENT,
+        new Blockly.ConnectionDB(),
+      );
+      const neighbors = this.database.getNeighbours(checkConnection, 4);
       chai.assert.isEmpty(neighbors);
     });
-    test('Out of Range Diagonal', function() {
+    test('Out of Range Diagonal', function () {
       this.createSimpleTestConnections();
 
-      var checkConnection = this.createConnection(-2, -2, Blockly.NEXT_STATEMENT,
-          new Blockly.ConnectionDB());
-      var neighbors = this.database.getNeighbours(checkConnection, 2);
+      const checkConnection = this.createConnection(
+        -2,
+        -2,
+        ConnectionType.NEXT_STATEMENT,
+        new Blockly.ConnectionDB(),
+      );
+      const neighbors = this.database.getNeighbours(checkConnection, 2);
       chai.assert.isEmpty(neighbors);
     });
   });
-  suite('Ordering', function() {
-    test('Simple', function() {
-      for (var i = 0; i < 10; i++) {
-        var connection = this.createConnection(0, i, Blockly.NEXT_STATEMENT);
+  suite('Ordering', function () {
+    test('Simple', function () {
+      for (let i = 0; i < 10; i++) {
+        const connection = this.createConnection(
+          0,
+          i,
+          ConnectionType.NEXT_STATEMENT,
+        );
         this.database.addConnection(connection, i);
       }
       this.assertOrder();
     });
-    test('Quasi-Random', function() {
-      var xCoords = [-29, -47, -77, 2, 43, 34, -59, -52, -90, -36, -91, 38,
-        87, -20, 60, 4, -57, 65, -37, -81, 57, 58, -96, 1, 67, -79, 34, 93,
-        -90, -99, -62, 4, 11, -36, -51, -72, 3, -50, -24, -45, -92, -38, 37,
-        24, -47, -73, 79, -20, 99, 43, -10, -87, 19, 35, -62, -36, 49, 86,
-        -24, -47, -89, 33, -44, 25, -73, -91, 85, 6, 0, 89, -94, 36, -35, 84,
-        -9, 96, -21, 52, 10, -95, 7, -67, -70, 62, 9, -40, -95, -9, -94, 55,
-        57, -96, 55, 8, -48, -57, -87, 81, 23, 65];
-      var yCoords = [-81, 82, 5, 47, 30, 57, -12, 28, 38, 92, -25, -20, 23,
-        -51, 73, -90, 8, 28, -51, -15, 81, -60, -6, -16, 77, -62, -42, -24,
-        35, 95, -46, -7, 61, -16, 14, 91, 57, -38, 27, -39, 92, 47, -98, 11,
-        -33, -72, 64, 38, -64, -88, -35, -59, -76, -94, 45, -25, -100, -95,
-        63, -97, 45, 98, 99, 34, 27, 52, -18, -45, 66, -32, -38, 70, -73,
-        -23, 5, -2, -13, -9, 48, 74, -97, -11, 35, -79, -16, -77, 83, -57,
-        -53, 35, -44, 100, -27, -15, 5, 39, 33, -19, -20, -95];
-
-      var length = xCoords.length;
-      for (var i = 0; i < length; i++) {
-        var connection = this.createConnection(xCoords[i], yCoords[i],
-            Blockly.NEXT_STATEMENT);
+    test('Quasi-Random', function () {
+      const xCoords = [
+        -29, -47, -77, 2, 43, 34, -59, -52, -90, -36, -91, 38, 87, -20, 60, 4,
+        -57, 65, -37, -81, 57, 58, -96, 1, 67, -79, 34, 93, -90, -99, -62, 4,
+        11, -36, -51, -72, 3, -50, -24, -45, -92, -38, 37, 24, -47, -73, 79,
+        -20, 99, 43, -10, -87, 19, 35, -62, -36, 49, 86, -24, -47, -89, 33, -44,
+        25, -73, -91, 85, 6, 0, 89, -94, 36, -35, 84, -9, 96, -21, 52, 10, -95,
+        7, -67, -70, 62, 9, -40, -95, -9, -94, 55, 57, -96, 55, 8, -48, -57,
+        -87, 81, 23, 65,
+      ];
+      const yCoords = [
+        -81, 82, 5, 47, 30, 57, -12, 28, 38, 92, -25, -20, 23, -51, 73, -90, 8,
+        28, -51, -15, 81, -60, -6, -16, 77, -62, -42, -24, 35, 95, -46, -7, 61,
+        -16, 14, 91, 57, -38, 27, -39, 92, 47, -98, 11, -33, -72, 64, 38, -64,
+        -88, -35, -59, -76, -94, 45, -25, -100, -95, 63, -97, 45, 98, 99, 34,
+        27, 52, -18, -45, 66, -32, -38, 70, -73, -23, 5, -2, -13, -9, 48, 74,
+        -97, -11, 35, -79, -16, -77, 83, -57, -53, 35, -44, 100, -27, -15, 5,
+        39, 33, -19, -20, -95,
+      ];
+
+      const length = xCoords.length;
+      for (let i = 0; i < length; i++) {
+        const connection = this.createConnection(
+          xCoords[i],
+          yCoords[i],
+          ConnectionType.NEXT_STATEMENT,
+        );
         this.database.addConnection(connection, yCoords[i]);
       }
       this.assertOrder();
     });
   });
 
-  suite('Search For Closest', function() {
-    setup(function() {
+  suite('Search For Closest', function () {
+    setup(function () {
       // Ignore type checks.
-      sinon.stub(this.database.connectionChecker_, 'doTypeChecks')
-          .returns(true);
+      sinon.stub(this.database.connectionChecker, 'doTypeChecks').returns(true);
       // Ignore safety checks.
-      sinon.stub(this.database.connectionChecker_, 'doSafetyChecks')
-          .returns(Blockly.Connection.CAN_CONNECT);
+      sinon
+        .stub(this.database.connectionChecker, 'doSafetyChecks')
+        .returns(Blockly.Connection.CAN_CONNECT);
       // Skip everything but the distance checks.
-      sinon.stub(this.database.connectionChecker_, 'doDragChecks')
-          .callsFake(function(a, b, distance) {
-            return a.distanceFrom(b) <= distance;
-          });
-
-      this.createCheckConnection = function(x, y) {
-        var checkConnection = this.createConnection(x, y, Blockly.NEXT_STATEMENT,
-            new Blockly.ConnectionDB());
+      sinon
+        .stub(this.database.connectionChecker, 'doDragChecks')
+        .callsFake(function (a, b, distance) {
+          return a.distanceFrom(b) <= distance;
+        });
+
+      this.createCheckConnection = function (x, y) {
+        const checkConnection = this.createConnection(
+          x,
+          y,
+          ConnectionType.NEXT_STATEMENT,
+          new Blockly.ConnectionDB(),
+        );
         return checkConnection;
       };
     });
-    test('Empty Database', function() {
-      var checkConnection = this.createConnection(0, 0, Blockly.NEXT_STATEMENT,
-          new Blockly.ConnectionDB());
-      chai.assert.isNull(this.database.searchForClosest(
-          checkConnection, 100, {x: 0, y: 0}).connection);
+    test('Empty Database', function () {
+      const checkConnection = this.createConnection(
+        0,
+        0,
+        ConnectionType.NEXT_STATEMENT,
+        new Blockly.ConnectionDB(),
+      );
+      chai.assert.isNull(
+        this.database.searchForClosest(checkConnection, 100, {x: 0, y: 0})
+          .connection,
+      );
     });
-    test('Too Far', function() {
-      var connection = this.createConnection(0, 100, Blockly.PREVIOUS_STATEMENT);
+    test('Too Far', function () {
+      const connection = this.createConnection(
+        0,
+        100,
+        ConnectionType.PREVIOUS_STATEMENT,
+      );
       this.database.addConnection(connection, 100);
 
-      var checkConnection = this.createConnection(0, 0, Blockly.NEXT_STATEMENT,
-          new Blockly.ConnectionDB());
-      chai.assert.isNull(this.database.searchForClosest(
-          checkConnection, 50, {x: 0, y: 0}).connection);
+      const checkConnection = this.createConnection(
+        0,
+        0,
+        ConnectionType.NEXT_STATEMENT,
+        new Blockly.ConnectionDB(),
+      );
+      chai.assert.isNull(
+        this.database.searchForClosest(checkConnection, 50, {x: 0, y: 0})
+          .connection,
+      );
     });
-    test('Single in Range', function() {
+    test('Single in Range', function () {
       this.createSimpleTestConnections();
 
-      var checkConnection = this.createCheckConnection(0, 14);
+      const checkConnection = this.createCheckConnection(0, 14);
 
-      var last = this.database.connections_[9];
-      var closest = this.database.searchForClosest(
-          checkConnection, 5, {x: 0, y: 0}).connection;
+      const last = this.database.connections[9];
+      const closest = this.database.searchForClosest(checkConnection, 5, {
+        x: 0,
+        y: 0,
+      }).connection;
       chai.assert.equal(last, closest);
     });
-    test('Many in Range', function() {
+    test('Many in Range', function () {
       this.createSimpleTestConnections();
 
-      var checkConnection = this.createCheckConnection(0, 10);
+      const checkConnection = this.createCheckConnection(0, 10);
 
-      var last = this.database.connections_[9];
-      var closest = this.database.searchForClosest(
-          checkConnection, 5, {x: 0, y: 0}).connection;
+      const last = this.database.connections[9];
+      const closest = this.database.searchForClosest(checkConnection, 5, {
+        x: 0,
+        y: 0,
+      }).connection;
       chai.assert.equal(last, closest);
     });
-    test('No Y-Coord Priority', function() {
-      var connection1 = this.createConnection(6, 6, Blockly.PREVIOUS_STATEMENT);
+    test('No Y-Coord Priority', function () {
+      const connection1 = this.createConnection(
+        6,
+        6,
+        ConnectionType.PREVIOUS_STATEMENT,
+      );
       this.database.addConnection(connection1, 6);
-      var connection2 = this.createConnection(5, 5, Blockly.PREVIOUS_STATEMENT);
+      const connection2 = this.createConnection(
+        5,
+        5,
+        ConnectionType.PREVIOUS_STATEMENT,
+      );
       this.database.addConnection(connection2, 5);
 
-      var checkConnection = this.createCheckConnection(4, 6);
+      const checkConnection = this.createCheckConnection(4, 6);
 
-      var closest = this.database.searchForClosest(
-          checkConnection, 3, {x: 0, y: 0}).connection;
+      const closest = this.database.searchForClosest(checkConnection, 3, {
+        x: 0,
+        y: 0,
+      }).connection;
       chai.assert.equal(connection2, closest);
     });
   });
diff --git a/tests/mocha/connection_test.js b/tests/mocha/connection_test.js
index 73882b90b80..afba4948cff 100644
--- a/tests/mocha/connection_test.js
+++ b/tests/mocha/connection_test.js
@@ -4,104 +4,99 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Connection', function() {
-  setup(function() {
+import {
+  createGenUidStubWithReturns,
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+import {
+  defineRowBlock,
+  defineStatementBlock,
+  defineStackBlock,
+} from './test_helpers/block_definitions.js';
+
+suite('Connection', function () {
+  setup(function () {
     sharedTestSetup.call(this);
     this.workspace = sinon.createStubInstance(Blockly.Workspace);
     this.workspace.connectionChecker = new Blockly.ConnectionChecker();
-    this.createConnection = function(type) {
-      var block = {
+    this.createConnection = function (type) {
+      const block = {
         workspace: this.workspace,
-        isShadow: function() { return false; }
+        isShadow: function () {
+          return false;
+        },
       };
-      var connection = new Blockly.Connection(block, type);
+      const connection = new Blockly.Connection(block, type);
       return connection;
     };
   });
 
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  test('Deprecated - canConnectWithReason passes', function() {
-    var deprecateWarnSpy = createDeprecationWarningStub();
-    var conn1 = this.createConnection(Blockly.PREVIOUS_STATEMENT);
-    var conn2 = this.createConnection(Blockly.NEXT_STATEMENT);
-    chai.assert.equal(conn1.canConnectWithReason(conn2),
-        Blockly.Connection.CAN_CONNECT);
-    assertSingleDeprecationWarningCall(deprecateWarnSpy,
-        'Connection.prototype.canConnectWithReason');
-  });
-
-  test('Deprecated - canConnectWithReason fails', function() {
-    var deprecateWarnSpy = createDeprecationWarningStub();
-    var conn1 = this.createConnection(Blockly.PREVIOUS_STATEMENT);
-    var conn2 = this.createConnection(Blockly.OUTPUT_VALUE);
-    chai.assert.equal(conn1.canConnectWithReason(conn2),
-        Blockly.Connection.REASON_WRONG_TYPE);
-    assertSingleDeprecationWarningCall(deprecateWarnSpy,
-        'Connection.prototype.canConnectWithReason');
-  });
-
-  test('Deprecated - checkConnection passes', function() {
-    var deprecateWarnSpy = createDeprecationWarningStub();
-    var conn1 = this.createConnection(Blockly.PREVIOUS_STATEMENT);
-    var conn2 = this.createConnection(Blockly.NEXT_STATEMENT);
-    chai.assert.doesNotThrow(function() {
-      conn1.checkConnection(conn2);
-    });
-    assertSingleDeprecationWarningCall(deprecateWarnSpy,
-        'Connection.prototype.checkConnection');
-  });
-
-  test('Deprecated - checkConnection fails', function() {
-    var deprecateWarnSpy = createDeprecationWarningStub();
-    var conn1 = this.createConnection(Blockly.PREVIOUS_STATEMENT);
-    var conn2 = this.createConnection(Blockly.OUTPUT_VALUE);
-    chai.assert.throws(function() {
-      conn1.checkConnection(conn2);
-    });
-    assertSingleDeprecationWarningCall(deprecateWarnSpy,
-        'Connection.prototype.checkConnection');
-  });
-
-  suite('Set Shadow Dom', function() {
-
+  suite('Set Shadow', function () {
     function assertBlockMatches(block, isShadow, opt_id) {
-      chai.assert.equal(block.isShadow(), isShadow,
-          `expected block ${block.id} to ${isShadow ? '' : 'not'} be a shadow`);
+      chai.assert.equal(
+        block.isShadow(),
+        isShadow,
+        `expected block ${block.id} to ${isShadow ? '' : 'not'} be a shadow`,
+      );
       if (opt_id) {
         chai.assert.equal(block.id, opt_id);
       }
     }
 
     function assertInputHasBlock(parent, inputName, isShadow, opt_name) {
-      var block = parent.getInputTargetBlock(inputName);
-      chai.assert.exists(block,
-          `expected block ${opt_name || ''} to be attached to ${inputName}`);
+      const block = parent.getInputTargetBlock(inputName);
+      chai.assert.exists(
+        block,
+        `expected block ${opt_name || ''} to be attached to ${inputName}`,
+      );
       assertBlockMatches(block, isShadow, opt_name);
     }
 
     function assertNextHasBlock(parent, isShadow, opt_name) {
-      var block = parent.getNextBlock();
-      chai.assert.exists(block,
-          `expected block ${opt_name || ''} to be attached to next connection`);
+      const block = parent.getNextBlock();
+      chai.assert.exists(
+        block,
+        `expected block ${opt_name || ''} to be attached to next connection`,
+      );
       assertBlockMatches(block, isShadow, opt_name);
     }
 
     function assertInputNotHasBlock(parent, inputName) {
-      var block = parent.getInputTargetBlock(inputName);
-      chai.assert.notExists(block,
-          `expected block ${block && block.id} to not be attached to ${inputName}`);
+      const block = parent.getInputTargetBlock(inputName);
+      chai.assert.notExists(
+        block,
+        `expected block ${
+          block && block.id
+        } to not be attached to ${inputName}`,
+      );
     }
 
     function assertNextNotHasBlock(parent) {
-      var block = parent.getNextBlock();
-      chai.assert.notExists(block,
-          `expected block ${block && block.id} to not be attached to next connection`);
+      const block = parent.getNextBlock();
+      chai.assert.notExists(
+        block,
+        `expected block ${
+          block && block.id
+        } to not be attached to next connection`,
+      );
+    }
+
+    function assertSerialization(block, jso, xmlText) {
+      const actualJso = Blockly.serialization.blocks.save(block, {
+        addNextBlocks: true,
+      });
+      const actualXml = Blockly.Xml.domToText(Blockly.Xml.blockToDom(block));
+      chai.assert.deepEqual(actualJso, jso);
+      chai.assert.equal(actualXml, xmlText);
     }
 
-    var testSuites = [
+    const testSuites = [
       {
         title: 'Rendered',
         createWorkspace: () => {
@@ -113,672 +108,3673 @@ suite('Connection', function() {
         createWorkspace: () => {
           return new Blockly.Workspace();
         },
-      }
+      },
     ];
 
     testSuites.forEach((testSuite) => {
       // Create a suite for each suite.
-      suite(testSuite.title, function() {
-        setup(function() {
+      suite(testSuite.title, function () {
+        setup(function () {
           this.workspace = testSuite.createWorkspace();
 
-          Blockly.defineBlocksWithJsonArray([
-            {
-              "type": "stack_block",
-              "message0": "",
-              "previousStatement": null,
-              "nextStatement": null
-            },
-            {
-              "type": "row_block",
-              "message0": "%1",
-              "args0": [
-                {
-                  "type": "input_value",
-                  "name": "INPUT"
-                }
-              ],
-              "output": null
-            },
-            {
-              "type": "statement_block",
-              "message0": "%1",
-              "args0": [
-                {
-                  "type": "input_statement",
-                  "name": "STATEMENT"
-                }
-              ],
-              "previousStatement": null,
-              "nextStatement": null
-            }]);
+          defineRowBlock();
+          defineStatementBlock();
+          defineStackBlock();
+
+          createGenUidStubWithReturns(
+            new Array(30).fill().map((_, i) => 'id' + i),
+          );
         });
 
-        teardown(function() {
+        teardown(function () {
           workspaceTeardown.call(this, this.workspace);
-          delete Blockly.Blocks['stack_block'];
-          delete Blockly.Blocks['row_block'];
-          delete Blockly.Blocks['statement_block'];
         });
 
-        suite('Add - No Block Connected', function() {
-          // These are defined separately in each suite.
-          function createRowBlock(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="row_block"/>'
-            ), workspace);
-            return block;
-          }
-
-          function createStatementBlock(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="statement_block"/>'
-            ), workspace);
-            return block;
-          }
-
-          function createStackBlock(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="stack_block"/>'
-            ), workspace);
-            return block;
-          }
-
-          test('Value', function() {
-            var parent = createRowBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="row_block"/>'
-            );
-            parent.getInput('INPUT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'INPUT', true);
+        suite('setShadowDom', function () {
+          suite('Add - No Block Connected', function () {
+            // These are defined separately in each suite.
+            function createRowBlock(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom(
+                  '<block type="row_block" id="id0"/>',
+                ),
+                workspace,
+              );
+              return block;
+            }
+
+            function createStatementBlock(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom(
+                  '<block type="statement_block" id="id0"/>',
+                ),
+                workspace,
+              );
+              return block;
+            }
+
+            function createStackBlock(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom(
+                  '<block type="stack_block" id="id0"/>',
+                ),
+                workspace,
+              );
+              return block;
+            }
+
+            test('Value', function () {
+              const parent = createRowBlock(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="row_block" id="id1"/>',
+              );
+              parent.getInput('INPUT').connection.setShadowDom(xml);
+              assertInputHasBlock(parent, 'INPUT', true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'INPUT': {
+                      'shadow': {
+                        'type': 'row_block',
+                        'id': 'id1',
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="id1"></shadow>' +
+                  '</value>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Value', function () {
+              const parent = createRowBlock(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="row_block" id="id1">' +
+                  '  <value name="INPUT">' +
+                  '    <shadow type="row_block" id="id2"/>' +
+                  '  </value>' +
+                  '</shadow>',
+              );
+              parent.getInput('INPUT').connection.setShadowDom(xml);
+              assertInputHasBlock(parent, 'INPUT', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('INPUT'),
+                'INPUT',
+                true,
+              );
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'INPUT': {
+                      'shadow': {
+                        'type': 'row_block',
+                        'id': 'id1',
+                        'inputs': {
+                          'INPUT': {
+                            'shadow': {
+                              'type': 'row_block',
+                              'id': 'id2',
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="id1">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="id2"></shadow>' +
+                  '</value>' +
+                  '</shadow>' +
+                  '</value>' +
+                  '</block>',
+              );
+            });
+
+            test('Statement', function () {
+              const parent = createStatementBlock(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="statement_block" id="id1"/>',
+              );
+              parent.getInput('NAME').connection.setShadowDom(xml);
+              assertInputHasBlock(parent, 'NAME', true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'NAME': {
+                      'shadow': {
+                        'type': 'statement_block',
+                        'id': 'id1',
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="id1"></shadow>' +
+                  '</statement>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Statement', function () {
+              const parent = createStatementBlock(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="statement_block" id="id1">' +
+                  '  <statement name="NAME">' +
+                  '    <shadow type="statement_block" id="id2"/>' +
+                  '  </statement>' +
+                  '</shadow>',
+              );
+              parent.getInput('NAME').connection.setShadowDom(xml);
+              assertInputHasBlock(parent, 'NAME', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('NAME'),
+                'NAME',
+                true,
+              );
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'NAME': {
+                      'shadow': {
+                        'type': 'statement_block',
+                        'id': 'id1',
+                        'inputs': {
+                          'NAME': {
+                            'shadow': {
+                              'type': 'statement_block',
+                              'id': 'id2',
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="id1">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="id2"></shadow>' +
+                  '</statement>' +
+                  '</shadow>' +
+                  '</statement>' +
+                  '</block>',
+              );
+            });
+
+            test('Next', function () {
+              const parent = createStackBlock(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="stack_block" id="id1"/>',
+              );
+              parent.nextConnection.setShadowDom(xml);
+              assertNextHasBlock(parent, true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                  'next': {
+                    'shadow': {
+                      'type': 'stack_block',
+                      'id': 'id1',
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="id1"></shadow>' +
+                  '</next>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Next', function () {
+              const parent = createStackBlock(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="stack_block" id="id1">' +
+                  '  <next>' +
+                  '    <shadow type="stack_block" id="id2"/>' +
+                  '  </next>' +
+                  '</shadow>',
+              );
+              parent.nextConnection.setShadowDom(xml);
+              assertNextHasBlock(parent, true);
+              assertNextHasBlock(parent.getNextBlock(), true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                  'next': {
+                    'shadow': {
+                      'type': 'stack_block',
+                      'id': 'id1',
+                      'next': {
+                        'shadow': {
+                          'type': 'stack_block',
+                          'id': 'id2',
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="id1">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="id2"></shadow>' +
+                  '</next>' +
+                  '</shadow>' +
+                  '</next>' +
+                  '</block>',
+              );
+            });
           });
 
-          test('Multiple Value', function() {
-            var parent = createRowBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
+          suite('Add - With Block Connected', function () {
+            // These are defined separately in each suite.
+            function createRowBlocks(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom(
+                  '<block type="row_block" id="id0">' +
+                    '  <value name="INPUT">' +
+                    '    <block type="row_block" id="idA"/>' +
+                    '  </value>' +
+                    '</block>',
+                ),
+                workspace,
+              );
+              return block;
+            }
+
+            function createStatementBlocks(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom(
+                  '<block type="statement_block" id="id0">' +
+                    '  <statement name="NAME">' +
+                    '    <block type="statement_block" id="idA"/>' +
+                    '  </statement>' +
+                    '</block>',
+                ),
+                workspace,
+              );
+              return block;
+            }
+
+            function createStackBlocks(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom(
+                  '<block type="stack_block" id="id0">' +
+                    '  <next>' +
+                    '    <block type="stack_block" id="idA"/>' +
+                    '  </next>' +
+                    '</block>',
+                ),
+                workspace,
+              );
+              return block;
+            }
+
+            test('Value', function () {
+              const parent = createRowBlocks(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="row_block" id="id1"/>',
+              );
+              parent.getInput('INPUT').connection.setShadowDom(xml);
+              assertInputHasBlock(parent, 'INPUT', false);
+              parent.getInput('INPUT').connection.disconnect();
+              assertInputHasBlock(parent, 'INPUT', true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'INPUT': {
+                      'shadow': {
+                        'type': 'row_block',
+                        'id': 'id1',
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="id1"></shadow>' +
+                  '</value>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Value', function () {
+              const parent = createRowBlocks(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="row_block" id="id1">' +
+                  '  <value name="INPUT">' +
+                  '    <shadow type="row_block" id="id2"/>' +
+                  '  </value>' +
+                  '</shadow>',
+              );
+              parent.getInput('INPUT').connection.setShadowDom(xml);
+              assertInputHasBlock(parent, 'INPUT', false);
+              assertInputNotHasBlock(
+                parent.getInputTargetBlock('INPUT'),
+                'INPUT',
+              );
+              parent.getInput('INPUT').connection.disconnect();
+              assertInputHasBlock(parent, 'INPUT', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('INPUT'),
+                'INPUT',
+                true,
+              );
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'INPUT': {
+                      'shadow': {
+                        'type': 'row_block',
+                        'id': 'id1',
+                        'inputs': {
+                          'INPUT': {
+                            'shadow': {
+                              'type': 'row_block',
+                              'id': 'id2',
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="id1">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="id2"></shadow>' +
+                  '</value>' +
+                  '</shadow>' +
+                  '</value>' +
+                  '</block>',
+              );
+            });
+
+            test('Statement', function () {
+              const parent = createStatementBlocks(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="statement_block" id="id1"/>',
+              );
+              parent.getInput('NAME').connection.setShadowDom(xml);
+              assertInputHasBlock(parent, 'NAME', false);
+              parent.getInput('NAME').connection.disconnect();
+              assertInputHasBlock(parent, 'NAME', true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'NAME': {
+                      'shadow': {
+                        'type': 'statement_block',
+                        'id': 'id1',
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="id1"></shadow>' +
+                  '</statement>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Statement', function () {
+              const parent = createStatementBlocks(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="statement_block" id="id1">' +
+                  '  <statement name="NAME">' +
+                  '    <shadow type="statement_block" id="id2"/>' +
+                  '  </statement>' +
+                  '</shadow>',
+              );
+              parent.getInput('NAME').connection.setShadowDom(xml);
+              assertInputHasBlock(parent, 'NAME', false);
+              assertInputNotHasBlock(
+                parent.getInputTargetBlock('NAME'),
+                'NAME',
+              );
+              parent.getInput('NAME').connection.disconnect();
+              assertInputHasBlock(parent, 'NAME', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('NAME'),
+                'NAME',
+                true,
+              );
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'NAME': {
+                      'shadow': {
+                        'type': 'statement_block',
+                        'id': 'id1',
+                        'inputs': {
+                          'NAME': {
+                            'shadow': {
+                              'type': 'statement_block',
+                              'id': 'id2',
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="id1">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="id2"></shadow>' +
+                  '</statement>' +
+                  '</shadow>' +
+                  '</statement>' +
+                  '</block>',
+              );
+            });
+
+            test('Next', function () {
+              const parent = createStackBlocks(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="stack_block" id="id1"/>',
+              );
+              parent.nextConnection.setShadowDom(xml);
+              assertNextHasBlock(parent, false);
+              parent.nextConnection.disconnect();
+              assertNextHasBlock(parent, true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                  'next': {
+                    'shadow': {
+                      'type': 'stack_block',
+                      'id': 'id1',
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="id1"></shadow>' +
+                  '</next>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Next', function () {
+              const parent = createStackBlocks(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="stack_block" id="id1">' +
+                  '  <next>' +
+                  '    <shadow type="stack_block" id="id2"/>' +
+                  '  </next>' +
+                  '</shadow>',
+              );
+              parent.nextConnection.setShadowDom(xml);
+              assertNextHasBlock(parent, false);
+              assertNextNotHasBlock(parent.getNextBlock());
+              parent.nextConnection.disconnect();
+              assertNextHasBlock(parent, true);
+              assertNextHasBlock(parent.getNextBlock(), true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                  'next': {
+                    'shadow': {
+                      'type': 'stack_block',
+                      'id': 'id1',
+                      'next': {
+                        'shadow': {
+                          'type': 'stack_block',
+                          'id': 'id2',
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="id1">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="id2"></shadow>' +
+                  '</next>' +
+                  '</shadow>' +
+                  '</next>' +
+                  '</block>',
+              );
+            });
+          });
+
+          suite('Add - With Shadow Connected', function () {
+            // These are defined separately in each suite.
+            function createRowBlock(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom(
+                  '<block type="row_block" id="id0"/>',
+                ),
+                workspace,
+              );
+              return block;
+            }
+
+            function createStatementBlock(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom(
+                  '<block type="statement_block" id="id0"/>',
+                ),
+                workspace,
+              );
+              return block;
+            }
+
+            function createStackBlock(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom(
+                  '<block type="stack_block" id="id0"/>',
+                ),
+                workspace,
+              );
+              return block;
+            }
+
+            test('Value', function () {
+              const parent = createRowBlock(this.workspace);
+              const xml1 = Blockly.utils.xml.textToDom(
+                '<shadow type="row_block" id="1"/>',
+              );
+              parent.getInput('INPUT').connection.setShadowDom(xml1);
+              assertInputHasBlock(parent, 'INPUT', true, '1');
+              const xml2 = Blockly.utils.xml.textToDom(
+                '<shadow type="row_block" id="2"/>',
+              );
+              parent.getInput('INPUT').connection.setShadowDom(xml2);
+              assertInputHasBlock(parent, 'INPUT', true, '2');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'INPUT': {
+                      'shadow': {
+                        'type': 'row_block',
+                        'id': '2',
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="2"></shadow>' +
+                  '</value>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Value', function () {
+              const parent = createRowBlock(this.workspace);
+              const xml1 = Blockly.utils.xml.textToDom(
+                '<shadow type="row_block" id="1">' +
+                  '  <value name="INPUT">' +
+                  '    <shadow type="row_block" id="a"/>' +
+                  '  </value>' +
+                  '</shadow>',
+              );
+              parent.getInput('INPUT').connection.setShadowDom(xml1);
+              assertInputHasBlock(parent, 'INPUT', true, '1');
+              assertInputHasBlock(
+                parent.getInputTargetBlock('INPUT'),
+                'INPUT',
+                true,
+                'a',
+              );
+              const xml2 = Blockly.utils.xml.textToDom(
+                '<shadow type="row_block" id="2">' +
+                  '  <value name="INPUT">' +
+                  '    <shadow type="row_block" id="b"/>' +
+                  '  </value>' +
+                  '</shadow>',
+              );
+              parent.getInput('INPUT').connection.setShadowDom(xml2);
+              assertInputHasBlock(parent, 'INPUT', true, '2');
+              assertInputHasBlock(
+                parent.getInputTargetBlock('INPUT'),
+                'INPUT',
+                true,
+                'b',
+              );
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'INPUT': {
+                      'shadow': {
+                        'type': 'row_block',
+                        'id': '2',
+                        'inputs': {
+                          'INPUT': {
+                            'shadow': {
+                              'type': 'row_block',
+                              'id': 'b',
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="2">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="b"></shadow>' +
+                  '</value>' +
+                  '</shadow>' +
+                  '</value>' +
+                  '</block>',
+              );
+            });
+
+            test('Statement', function () {
+              const parent = createStatementBlock(this.workspace);
+              const xml1 = Blockly.utils.xml.textToDom(
+                '<shadow type="statement_block" id="1"/>',
+              );
+              parent.getInput('NAME').connection.setShadowDom(xml1);
+              assertInputHasBlock(parent, 'NAME', true, '1');
+              const xml2 = Blockly.utils.xml.textToDom(
+                '<shadow type="statement_block" id="2"/>',
+              );
+              parent.getInput('NAME').connection.setShadowDom(xml2);
+              assertInputHasBlock(parent, 'NAME', true, '2');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'NAME': {
+                      'shadow': {
+                        'type': 'statement_block',
+                        'id': '2',
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="2"></shadow>' +
+                  '</statement>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Statement', function () {
+              const parent = createStatementBlock(this.workspace);
+              const xml1 = Blockly.utils.xml.textToDom(
+                '<shadow type="statement_block" id="1">' +
+                  '  <statement name="NAME">' +
+                  '    <shadow type="statement_block" id="a"/>' +
+                  '  </statement>' +
+                  '</shadow>',
+              );
+              parent.getInput('NAME').connection.setShadowDom(xml1);
+              assertInputHasBlock(parent, 'NAME', true, '1');
+              assertInputHasBlock(
+                parent.getInputTargetBlock('NAME'),
+                'NAME',
+                true,
+                'a',
+              );
+              const xml2 = Blockly.utils.xml.textToDom(
+                '<shadow type="statement_block" id="2">' +
+                  '  <statement name="NAME">' +
+                  '    <shadow type="statement_block" id="b"/>' +
+                  '  </statement>' +
+                  '</shadow>',
+              );
+              parent.getInput('NAME').connection.setShadowDom(xml2);
+              assertInputHasBlock(parent, 'NAME', true, '2');
+              assertInputHasBlock(
+                parent.getInputTargetBlock('NAME'),
+                'NAME',
+                true,
+                'b',
+              );
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'NAME': {
+                      'shadow': {
+                        'type': 'statement_block',
+                        'id': '2',
+                        'inputs': {
+                          'NAME': {
+                            'shadow': {
+                              'type': 'statement_block',
+                              'id': 'b',
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="2">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="b"></shadow>' +
+                  '</statement>' +
+                  '</shadow>' +
+                  '</statement>' +
+                  '</block>',
+              );
+            });
+
+            test('Next', function () {
+              const parent = createStackBlock(this.workspace);
+              const xml1 = Blockly.utils.xml.textToDom(
+                '<shadow type="stack_block" id="1"/>',
+              );
+              parent.nextConnection.setShadowDom(xml1);
+              assertNextHasBlock(parent, true, '1');
+              const xml2 = Blockly.utils.xml.textToDom(
+                '<shadow type="stack_block" id="2"/>',
+              );
+              parent.nextConnection.setShadowDom(xml2);
+              assertNextHasBlock(parent, true, '2');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                  'next': {
+                    'shadow': {
+                      'type': 'stack_block',
+                      'id': '2',
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="2"></shadow>' +
+                  '</next>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Next', function () {
+              const parent = createStackBlock(this.workspace);
+              const xml1 = Blockly.utils.xml.textToDom(
+                '<shadow type="stack_block" id="1">' +
+                  '  <next>' +
+                  '    <shadow type="stack_block" id="a"/>' +
+                  '  </next>' +
+                  '</shadow>',
+              );
+              parent.nextConnection.setShadowDom(xml1);
+              assertNextHasBlock(parent, true, '1');
+              assertNextHasBlock(parent.getNextBlock(), true, 'a');
+              const xml2 = Blockly.utils.xml.textToDom(
+                '<shadow type="stack_block" id="2">' +
+                  '  <next>' +
+                  '    <shadow type="stack_block" id="b"/>' +
+                  '  </next>' +
+                  '</shadow>',
+              );
+              parent.nextConnection.setShadowDom(xml2);
+              assertNextHasBlock(parent, true, '2');
+              assertNextHasBlock(parent.getNextBlock(), true, 'b');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                  'next': {
+                    'shadow': {
+                      'type': 'stack_block',
+                      'id': '2',
+                      'next': {
+                        'shadow': {
+                          'type': 'stack_block',
+                          'id': 'b',
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="2">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="b"></shadow>' +
+                  '</next>' +
+                  '</shadow>' +
+                  '</next>' +
+                  '</block>',
+              );
+            });
+          });
+
+          suite('Remove - No Block Connected', function () {
+            // These are defined separately in each suite.
+            function createRowBlock(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom(
+                  '<block type="row_block" id="id0">' +
+                    '  <value name="INPUT">' +
+                    '    <shadow type="row_block" id="idA"/>' +
+                    '  </value>' +
+                    '</block>',
+                ),
+                workspace,
+              );
+              return block;
+            }
+
+            function createStatementBlock(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom(
+                  '<block type="statement_block" id="id0">' +
+                    '  <statement name="NAME">' +
+                    '    <shadow type="statement_block" id="idA"/>' +
+                    '  </statement>' +
+                    '</block>',
+                ),
+                workspace,
+              );
+              return block;
+            }
+
+            function createStackBlock(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom(
+                  '<block type="stack_block" id="id0">' +
+                    '  <next>' +
+                    '    <shadow type="stack_block" id="idA"/>' +
+                    '  </next>' +
+                    '</block>',
+                ),
+                workspace,
+              );
+              return block;
+            }
+
+            test('Value', function () {
+              const parent = createRowBlock(this.workspace);
+              parent.getInput('INPUT').connection.setShadowDom(null);
+              assertInputNotHasBlock(parent, 'INPUT');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '</block>',
+              );
+            });
+
+            test('Statement', function () {
+              const parent = createStatementBlock(this.workspace);
+              parent.getInput('NAME').connection.setShadowDom(null);
+              assertInputNotHasBlock(parent, 'STATEMENT');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '</block>',
+              );
+            });
+
+            test('Next', function () {
+              const parent = createStackBlock(this.workspace);
+              parent.nextConnection.setShadowDom(null);
+              assertNextNotHasBlock(parent);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '</block>',
+              );
+            });
+          });
+
+          suite('Remove - Block Connected', function () {
+            // These are defined separately in each suite.
+            function createRowBlock(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom(
+                  '<block type="row_block" id="id0">' +
+                    '  <value name="INPUT">' +
+                    '    <shadow type="row_block" id="idA"/>' +
+                    '    <block type="row_block" id="idB"/>' +
+                    '  </value>' +
+                    '</block>',
+                ),
+                workspace,
+              );
+              return block;
+            }
+
+            function createStatementBlock(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom(
+                  '<block type="statement_block" id="id0">' +
+                    '  <statement name="NAME">' +
+                    '    <shadow type="statement_block" id="idA"/>' +
+                    '    <block type="statement_block" id="idB"/>' +
+                    '  </statement>' +
+                    '</block>',
+                ),
+                workspace,
+              );
+              return block;
+            }
+
+            function createStackBlock(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom(
+                  '<block type="stack_block" id="id0">' +
+                    '  <next>' +
+                    '    <shadow type="stack_block" id="idA"/>' +
+                    '    <block type="stack_block" id="idB"/>' +
+                    '  </next>' +
+                    '</block>',
+                ),
+                workspace,
+              );
+              return block;
+            }
+
+            test('Value', function () {
+              const parent = createRowBlock(this.workspace);
+              parent.getInput('INPUT').connection.setShadowDom(null);
+              assertInputHasBlock(parent, 'INPUT', false);
+              parent.getInput('INPUT').connection.disconnect();
+              assertInputNotHasBlock(parent, 'INPUT');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '</block>',
+              );
+            });
+
+            test('Statement', function () {
+              const parent = createStatementBlock(this.workspace);
+              parent.getInput('NAME').connection.setShadowDom(null);
+              assertInputHasBlock(parent, 'NAME', false);
+              parent.getInput('NAME').connection.disconnect();
+              assertInputNotHasBlock(parent, 'NAME');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '</block>',
+              );
+            });
+
+            test('Next', function () {
+              const parent = createStackBlock(this.workspace);
+              parent.nextConnection.setShadowDom(null);
+              assertNextHasBlock(parent, false);
+              parent.nextConnection.disconnect();
+              assertNextNotHasBlock(parent);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '</block>',
+              );
+            });
+          });
+
+          suite('Add - Connect & Disconnect - Remove', function () {
+            // These are defined separately in each suite.
+            function createRowBlock(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom('<block type="row_block"/>'),
+                workspace,
+              );
+              return block;
+            }
+
+            function createStatementBlock(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom('<block type="statement_block"/>'),
+                workspace,
+              );
+              return block;
+            }
+
+            function createStackBlock(workspace) {
+              const block = Blockly.Xml.domToBlock(
+                Blockly.utils.xml.textToDom('<block type="stack_block"/>'),
+                workspace,
+              );
+              return block;
+            }
+
+            test('Value', function () {
+              const parent = createRowBlock(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="row_block"/>',
+              );
+              parent.getInput('INPUT').connection.setShadowDom(xml);
+              assertInputHasBlock(parent, 'INPUT', true);
+              const child = createRowBlock(this.workspace);
+              parent
+                .getInput('INPUT')
+                .connection.connect(child.outputConnection);
+              assertInputHasBlock(parent, 'INPUT', false);
+              parent.getInput('INPUT').connection.disconnect();
+              assertInputHasBlock(parent, 'INPUT', true);
+              parent.getInput('INPUT').connection.setShadowDom(null);
+              assertInputNotHasBlock(parent, 'INPUT');
+            });
+
+            test('Multiple Value', function () {
+              const parent = createRowBlock(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
                 '<shadow type="row_block">' +
-                '  <value name="INPUT">' +
-                '    <shadow type="row_block"/>' +
-                '  </value>' +
-                '</shadow>'
-            );
-            parent.getInput('INPUT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'INPUT', true);
-            assertInputHasBlock(
-                parent.getInputTargetBlock('INPUT'), 'INPUT', true);
+                  '  <value name="INPUT">' +
+                  '    <shadow type="row_block"/>' +
+                  '  </value>' +
+                  '</shadow>',
+              );
+              parent.getInput('INPUT').connection.setShadowDom(xml);
+              assertInputHasBlock(parent, 'INPUT', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('INPUT'),
+                'INPUT',
+                true,
+              );
+              const child = createRowBlock(this.workspace);
+              parent
+                .getInput('INPUT')
+                .connection.connect(child.outputConnection);
+              assertInputHasBlock(parent, 'INPUT', false);
+              parent.getInput('INPUT').connection.disconnect();
+              assertInputHasBlock(parent, 'INPUT', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('INPUT'),
+                'INPUT',
+                true,
+              );
+              parent.getInput('INPUT').connection.setShadowDom(null);
+              assertInputNotHasBlock(parent, 'INPUT');
+            });
+
+            test('Statement', function () {
+              const parent = createStatementBlock(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="statement_block"/>',
+              );
+              parent.getInput('NAME').connection.setShadowDom(xml);
+              assertInputHasBlock(parent, 'NAME', true);
+              const child = createStatementBlock(this.workspace);
+              parent
+                .getInput('NAME')
+                .connection.connect(child.previousConnection);
+              assertInputHasBlock(parent, 'NAME', false);
+              parent.getInput('NAME').connection.disconnect();
+              assertInputHasBlock(parent, 'NAME', true);
+              parent.getInput('NAME').connection.setShadowDom(null);
+              assertInputNotHasBlock(parent, 'NAME');
+            });
+
+            test('Multiple Statement', function () {
+              const parent = createStatementBlock(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="statement_block">' +
+                  '  <statement name="NAME">' +
+                  '    <shadow type="statement_block"/>' +
+                  '  </statement>' +
+                  '</shadow>',
+              );
+              parent.getInput('NAME').connection.setShadowDom(xml);
+              assertInputHasBlock(parent, 'NAME', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('NAME'),
+                'NAME',
+                true,
+              );
+              const child = createStatementBlock(this.workspace);
+              parent
+                .getInput('NAME')
+                .connection.connect(child.previousConnection);
+              assertInputHasBlock(parent, 'NAME', false);
+              parent.getInput('NAME').connection.disconnect();
+              assertInputHasBlock(parent, 'NAME', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('NAME'),
+                'NAME',
+                true,
+              );
+              parent.getInput('NAME').connection.setShadowDom(null);
+              assertInputNotHasBlock(parent, 'NAME');
+            });
+
+            test('Next', function () {
+              const parent = createStackBlock(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="stack_block"/>',
+              );
+              parent.nextConnection.setShadowDom(xml);
+              assertNextHasBlock(parent, true);
+              const child = createStatementBlock(this.workspace);
+              parent.nextConnection.connect(child.previousConnection);
+              assertNextHasBlock(parent, false);
+              parent.nextConnection.disconnect();
+              assertNextHasBlock(parent, true);
+              parent.nextConnection.setShadowDom(null);
+              assertNextNotHasBlock(parent);
+            });
+
+            test('Multiple Next', function () {
+              const parent = createStackBlock(this.workspace);
+              const xml = Blockly.utils.xml.textToDom(
+                '<shadow type="stack_block" id="parent">' +
+                  '  <next>' +
+                  '    <shadow type="stack_block" id="child"/>' +
+                  '  </next>' +
+                  '</shadow>',
+              );
+              parent.nextConnection.setShadowDom(xml);
+              assertNextHasBlock(parent, true);
+              assertNextHasBlock(parent.getNextBlock(), true);
+              const child = createStatementBlock(this.workspace);
+              parent.nextConnection.connect(child.previousConnection);
+              assertNextHasBlock(parent, false);
+              parent.nextConnection.disconnect();
+              assertNextHasBlock(parent, true);
+              assertNextHasBlock(parent.getNextBlock(), true);
+              parent.nextConnection.setShadowDom(null);
+              assertNextNotHasBlock(parent);
+            });
           });
 
-          test('Statement', function() {
-            var parent = createStatementBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="statement_block"/>'
+          suite('Invalid', function () {
+            test('Attach to output', function () {
+              const block = this.workspace.newBlock('row_block');
+              chai.assert.throws(() =>
+                block.outputConnection.setShadowDom(
+                  Blockly.utils.xml.textToDom('<block type="row_block">'),
+                ),
+              );
+            });
+
+            test('Attach to previous', function () {
+              const block = this.workspace.newBlock('stack_block');
+              chai.assert.throws(() =>
+                block.previousConnection.setShadowDom(
+                  Blockly.utils.xml.textToDom('<block type="stack_block">'),
+                ),
+              );
+            });
+
+            test('Missing output', function () {
+              const block = this.workspace.newBlock('row_block');
+              chai.assert.throws(() =>
+                block.outputConnection.setShadowDom(
+                  Blockly.utils.xml.textToDom('<block type="stack_block">'),
+                ),
+              );
+            });
+
+            test('Missing previous', function () {
+              const block = this.workspace.newBlock('stack_block');
+              chai.assert.throws(() =>
+                block.previousConnection.setShadowDom(
+                  Blockly.utils.xml.textToDom('<block type="row_block">'),
+                ),
+              );
+            });
+
+            test('Invalid connection checks, output', function () {
+              const block = this.workspace.newBlock('logic_operation');
+              chai.assert.throws(() =>
+                block
+                  .getInput('A')
+                  .connection.setShadowDom(
+                    Blockly.utils.xml.textToDom('<block type="stack_block">'),
+                  ),
+              );
+            });
+
+            test('Invalid connection checks, previous', function () {
+              Blockly.defineBlocksWithJsonArray([
+                {
+                  'type': 'stack_checks_block',
+                  'message0': '',
+                  'previousStatement': 'check 1',
+                  'nextStatement': 'check 2',
+                },
+              ]);
+              const block = this.workspace.newBlock('stack_checks_block');
+              chai.assert.throws(() =>
+                block.nextConnection.setShadowDom(
+                  Blockly.utils.xml.textToDom(
+                    '<block type="stack_checks_block">',
+                  ),
+                ),
+              );
+            });
+          });
+        });
+
+        suite('setShadowState', function () {
+          suite('Add - No Block Connected', function () {
+            // These are defined separately in each suite.
+            function createRowBlock(workspace) {
+              return Blockly.serialization.blocks.append(
+                {'type': 'row_block', 'id': 'id0'},
+                workspace,
+              );
+            }
+
+            function createStatementBlock(workspace) {
+              return Blockly.serialization.blocks.append(
+                {'type': 'statement_block', 'id': 'id0'},
+                workspace,
+              );
+            }
+
+            function createStackBlock(workspace) {
+              return Blockly.serialization.blocks.append(
+                {'type': 'stack_block', 'id': 'id0'},
+                workspace,
+              );
+            }
+
+            test('Value', function () {
+              const parent = createRowBlock(this.workspace);
+              parent
+                .getInput('INPUT')
+                .connection.setShadowState({'type': 'row_block', 'id': 'id1'});
+              assertInputHasBlock(parent, 'INPUT', true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'INPUT': {
+                      'shadow': {
+                        'type': 'row_block',
+                        'id': 'id1',
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="id1"></shadow>' +
+                  '</value>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Value', function () {
+              const parent = createRowBlock(this.workspace);
+              parent.getInput('INPUT').connection.setShadowState({
+                'type': 'row_block',
+                'id': 'id1',
+                'inputs': {
+                  'INPUT': {
+                    'shadow': {
+                      'type': 'row_block',
+                      'id': 'id2',
+                    },
+                  },
+                },
+              });
+              assertInputHasBlock(parent, 'INPUT', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('INPUT'),
+                'INPUT',
+                true,
+              );
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'INPUT': {
+                      'shadow': {
+                        'type': 'row_block',
+                        'id': 'id1',
+                        'inputs': {
+                          'INPUT': {
+                            'shadow': {
+                              'type': 'row_block',
+                              'id': 'id2',
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="id1">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="id2"></shadow>' +
+                  '</value>' +
+                  '</shadow>' +
+                  '</value>' +
+                  '</block>',
+              );
+            });
+
+            test('Statement', function () {
+              const parent = createStatementBlock(this.workspace);
+              parent.getInput('NAME').connection.setShadowState({
+                'type': 'statement_block',
+                'id': 'id1',
+              });
+              assertInputHasBlock(parent, 'NAME', true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'NAME': {
+                      'shadow': {
+                        'type': 'statement_block',
+                        'id': 'id1',
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="id1"></shadow>' +
+                  '</statement>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Statment', function () {
+              const parent = createStatementBlock(this.workspace);
+              parent.getInput('NAME').connection.setShadowState({
+                'type': 'statement_block',
+                'id': 'id1',
+                'inputs': {
+                  'NAME': {
+                    'shadow': {
+                      'type': 'statement_block',
+                      'id': 'id2',
+                    },
+                  },
+                },
+              });
+              assertInputHasBlock(parent, 'NAME', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('NAME'),
+                'NAME',
+                true,
+              );
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'NAME': {
+                      'shadow': {
+                        'type': 'statement_block',
+                        'id': 'id1',
+                        'inputs': {
+                          'NAME': {
+                            'shadow': {
+                              'type': 'statement_block',
+                              'id': 'id2',
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="id1">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="id2"></shadow>' +
+                  '</statement>' +
+                  '</shadow>' +
+                  '</statement>' +
+                  '</block>',
+              );
+            });
+
+            test('Next', function () {
+              const parent = createStackBlock(this.workspace);
+              parent.nextConnection.setShadowState({
+                'type': 'stack_block',
+                'id': 'id1',
+              });
+              assertNextHasBlock(parent, true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                  'next': {
+                    'shadow': {
+                      'type': 'stack_block',
+                      'id': 'id1',
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="id1"></shadow>' +
+                  '</next>' +
+                  '</block>',
+              );
+            });
+            test('Multiple Next', function () {
+              const parent = createStackBlock(this.workspace);
+              parent.nextConnection.setShadowState({
+                'type': 'stack_block',
+                'id': 'id1',
+                'next': {
+                  'shadow': {
+                    'type': 'stack_block',
+                    'id': 'id2',
+                  },
+                },
+              });
+              assertNextHasBlock(parent, true);
+              assertNextHasBlock(parent.getNextBlock(), true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                  'next': {
+                    'shadow': {
+                      'type': 'stack_block',
+                      'id': 'id1',
+                      'next': {
+                        'shadow': {
+                          'type': 'stack_block',
+                          'id': 'id2',
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="id1">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="id2"></shadow>' +
+                  '</next>' +
+                  '</shadow>' +
+                  '</next>' +
+                  '</block>',
+              );
+            });
+          });
+
+          suite('Add - With Block Connected', function () {
+            // These are defined separately in each suite.
+            function createRowBlocks(workspace) {
+              return Blockly.serialization.blocks.append(
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'INPUT': {
+                      'block': {
+                        'type': 'row_block',
+                        'id': 'idA',
+                      },
+                    },
+                  },
+                },
+                workspace,
+              );
+            }
+
+            function createStatementBlocks(workspace) {
+              return Blockly.serialization.blocks.append(
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'NAME': {
+                      'block': {
+                        'type': 'statement_block',
+                        'id': 'idA',
+                      },
+                    },
+                  },
+                },
+                workspace,
+              );
+            }
+
+            function createStackBlocks(workspace) {
+              return Blockly.serialization.blocks.append(
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                  'next': {
+                    'block': {
+                      'type': 'stack_block',
+                      'id': 'idA',
+                    },
+                  },
+                },
+                workspace,
+              );
+            }
+
+            test('Value', function () {
+              const parent = createRowBlocks(this.workspace);
+              parent
+                .getInput('INPUT')
+                .connection.setShadowState({'type': 'row_block', 'id': 'id1'});
+              assertInputHasBlock(parent, 'INPUT', false);
+              parent.getInput('INPUT').connection.disconnect();
+              assertInputHasBlock(parent, 'INPUT', true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'INPUT': {
+                      'shadow': {
+                        'type': 'row_block',
+                        'id': 'id1',
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="id1"></shadow>' +
+                  '</value>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Value', function () {
+              const parent = createRowBlocks(this.workspace);
+              parent.getInput('INPUT').connection.setShadowState({
+                'type': 'row_block',
+                'id': 'id1',
+                'inputs': {
+                  'INPUT': {
+                    'shadow': {
+                      'type': 'row_block',
+                      'id': 'id2',
+                    },
+                  },
+                },
+              });
+              assertInputHasBlock(parent, 'INPUT', false);
+              assertInputNotHasBlock(
+                parent.getInputTargetBlock('INPUT'),
+                'INPUT',
+              );
+              parent.getInput('INPUT').connection.disconnect();
+              assertInputHasBlock(parent, 'INPUT', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('INPUT'),
+                'INPUT',
+                true,
+              );
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'INPUT': {
+                      'shadow': {
+                        'type': 'row_block',
+                        'id': 'id1',
+                        'inputs': {
+                          'INPUT': {
+                            'shadow': {
+                              'type': 'row_block',
+                              'id': 'id2',
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="id1">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="id2"></shadow>' +
+                  '</value>' +
+                  '</shadow>' +
+                  '</value>' +
+                  '</block>',
+              );
+            });
+
+            test('Statement', function () {
+              const parent = createStatementBlocks(this.workspace);
+              parent.getInput('NAME').connection.setShadowState({
+                'type': 'statement_block',
+                'id': 'id1',
+              });
+              assertInputHasBlock(parent, 'NAME', false);
+              parent.getInput('NAME').connection.disconnect();
+              assertInputHasBlock(parent, 'NAME', true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'NAME': {
+                      'shadow': {
+                        'type': 'statement_block',
+                        'id': 'id1',
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="id1"></shadow>' +
+                  '</statement>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Statement', function () {
+              const parent = createStatementBlocks(this.workspace);
+              parent.getInput('NAME').connection.setShadowState({
+                'type': 'statement_block',
+                'id': 'id1',
+                'inputs': {
+                  'NAME': {
+                    'shadow': {
+                      'type': 'statement_block',
+                      'id': 'id2',
+                    },
+                  },
+                },
+              });
+              assertInputHasBlock(parent, 'NAME', false);
+              assertInputNotHasBlock(
+                parent.getInputTargetBlock('NAME'),
+                'NAME',
+              );
+              parent.getInput('NAME').connection.disconnect();
+              assertInputHasBlock(parent, 'NAME', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('NAME'),
+                'NAME',
+                true,
+              );
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'NAME': {
+                      'shadow': {
+                        'type': 'statement_block',
+                        'id': 'id1',
+                        'inputs': {
+                          'NAME': {
+                            'shadow': {
+                              'type': 'statement_block',
+                              'id': 'id2',
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="id1">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="id2"></shadow>' +
+                  '</statement>' +
+                  '</shadow>' +
+                  '</statement>' +
+                  '</block>',
+              );
+            });
+
+            test('Next', function () {
+              const parent = createStackBlocks(this.workspace);
+              parent.nextConnection.setShadowState({
+                'type': 'stack_block',
+                'id': 'id1',
+              });
+              assertNextHasBlock(parent, false);
+              parent.nextConnection.disconnect();
+              assertNextHasBlock(parent, true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                  'next': {
+                    'shadow': {
+                      'type': 'stack_block',
+                      'id': 'id1',
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="id1"></shadow>' +
+                  '</next>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Next', function () {
+              const parent = createStackBlocks(this.workspace);
+              parent.nextConnection.setShadowState({
+                'type': 'stack_block',
+                'id': 'id1',
+                'next': {
+                  'shadow': {
+                    'type': 'stack_block',
+                    'id': 'id2',
+                  },
+                },
+              });
+              assertNextHasBlock(parent, false);
+              assertNextNotHasBlock(parent.getNextBlock());
+              parent.nextConnection.disconnect();
+              assertNextHasBlock(parent, true);
+              assertNextHasBlock(parent.getNextBlock(), true);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                  'next': {
+                    'shadow': {
+                      'type': 'stack_block',
+                      'id': 'id1',
+                      'next': {
+                        'shadow': {
+                          'type': 'stack_block',
+                          'id': 'id2',
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="id1">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="id2"></shadow>' +
+                  '</next>' +
+                  '</shadow>' +
+                  '</next>' +
+                  '</block>',
+              );
+            });
+          });
+
+          suite('Add - With Shadow Connected', function () {
+            // These are defined separately in each suite.
+            function createRowBlock(workspace) {
+              return Blockly.serialization.blocks.append(
+                {'type': 'row_block', 'id': 'id0'},
+                workspace,
+              );
+            }
+
+            function createStatementBlock(workspace) {
+              return Blockly.serialization.blocks.append(
+                {'type': 'statement_block', 'id': 'id0'},
+                workspace,
+              );
+            }
+
+            function createStackBlock(workspace) {
+              return Blockly.serialization.blocks.append(
+                {'type': 'stack_block', 'id': 'id0'},
+                workspace,
+              );
+            }
+
+            test('Value', function () {
+              const parent = createRowBlock(this.workspace);
+              parent
+                .getInput('INPUT')
+                .connection.setShadowState({'type': 'row_block', 'id': '1'});
+              assertInputHasBlock(parent, 'INPUT', true, '1');
+              parent
+                .getInput('INPUT')
+                .connection.setShadowState({'type': 'row_block', 'id': '2'});
+              assertInputHasBlock(parent, 'INPUT', true, '2');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'INPUT': {
+                      'shadow': {
+                        'type': 'row_block',
+                        'id': '2',
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="2"></shadow>' +
+                  '</value>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Value', function () {
+              const parent = createRowBlock(this.workspace);
+              parent.getInput('INPUT').connection.setShadowState({
+                'type': 'row_block',
+                'id': '1',
+                'inputs': {
+                  'INPUT': {
+                    'shadow': {
+                      'type': 'row_block',
+                      'id': 'a',
+                    },
+                  },
+                },
+              });
+              assertInputHasBlock(parent, 'INPUT', true, '1');
+              assertInputHasBlock(
+                parent.getInputTargetBlock('INPUT'),
+                'INPUT',
+                true,
+                'a',
+              );
+              parent.getInput('INPUT').connection.setShadowState({
+                'type': 'row_block',
+                'id': '2',
+                'inputs': {
+                  'INPUT': {
+                    'shadow': {
+                      'type': 'row_block',
+                      'id': 'b',
+                    },
+                  },
+                },
+              });
+              assertInputHasBlock(parent, 'INPUT', true, '2');
+              assertInputHasBlock(
+                parent.getInputTargetBlock('INPUT'),
+                'INPUT',
+                true,
+                'b',
+              );
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'INPUT': {
+                      'shadow': {
+                        'type': 'row_block',
+                        'id': '2',
+                        'inputs': {
+                          'INPUT': {
+                            'shadow': {
+                              'type': 'row_block',
+                              'id': 'b',
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="2">' +
+                  '<value name="INPUT">' +
+                  '<shadow type="row_block" id="b"></shadow>' +
+                  '</value>' +
+                  '</shadow>' +
+                  '</value>' +
+                  '</block>',
+              );
+            });
+
+            test('Statement', function () {
+              const parent = createStatementBlock(this.workspace);
+              parent.getInput('NAME').connection.setShadowState({
+                'type': 'statement_block',
+                'id': '1',
+              });
+              assertInputHasBlock(parent, 'NAME', true, '1');
+              parent.getInput('NAME').connection.setShadowState({
+                'type': 'statement_block',
+                'id': '2',
+              });
+              assertInputHasBlock(parent, 'NAME', true, '2');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'NAME': {
+                      'shadow': {
+                        'type': 'statement_block',
+                        'id': '2',
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="2"></shadow>' +
+                  '</statement>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Statement', function () {
+              const parent = createStatementBlock(this.workspace);
+              parent.getInput('NAME').connection.setShadowState({
+                'type': 'statement_block',
+                'id': '1',
+                'inputs': {
+                  'NAME': {
+                    'shadow': {
+                      'type': 'statement_block',
+                      'id': 'a',
+                    },
+                  },
+                },
+              });
+              assertInputHasBlock(parent, 'NAME', true, '1');
+              assertInputHasBlock(
+                parent.getInputTargetBlock('NAME'),
+                'NAME',
+                true,
+                'a',
+              );
+              parent.getInput('NAME').connection.setShadowState({
+                'type': 'statement_block',
+                'id': '2',
+                'inputs': {
+                  'NAME': {
+                    'shadow': {
+                      'type': 'statement_block',
+                      'id': 'b',
+                    },
+                  },
+                },
+              });
+              assertInputHasBlock(parent, 'NAME', true, '2');
+              assertInputHasBlock(
+                parent.getInputTargetBlock('NAME'),
+                'NAME',
+                true,
+                'b',
+              );
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'NAME': {
+                      'shadow': {
+                        'type': 'statement_block',
+                        'id': '2',
+                        'inputs': {
+                          'NAME': {
+                            'shadow': {
+                              'type': 'statement_block',
+                              'id': 'b',
+                            },
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="2">' +
+                  '<statement name="NAME">' +
+                  '<shadow type="statement_block" id="b"></shadow>' +
+                  '</statement>' +
+                  '</shadow>' +
+                  '</statement>' +
+                  '</block>',
+              );
+            });
+
+            test('Next', function () {
+              const parent = createStackBlock(this.workspace);
+              parent.nextConnection.setShadowState({
+                'type': 'stack_block',
+                'id': '1',
+              });
+              assertNextHasBlock(parent, true, '1');
+              parent.nextConnection.setShadowState({
+                'type': 'stack_block',
+                'id': '2',
+              });
+              assertNextHasBlock(parent, true, '2');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                  'next': {
+                    'shadow': {
+                      'type': 'stack_block',
+                      'id': '2',
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="2"></shadow>' +
+                  '</next>' +
+                  '</block>',
+              );
+            });
+
+            test('Multiple Next', function () {
+              const parent = createStackBlock(this.workspace);
+              parent.nextConnection.setShadowState({
+                'type': 'stack_block',
+                'id': '1',
+                'next': {
+                  'shadow': {
+                    'type': 'stack_block',
+                    'id': 'a',
+                  },
+                },
+              });
+              assertNextHasBlock(parent, true, '1');
+              assertNextHasBlock(parent.getNextBlock(), true, 'a');
+              parent.nextConnection.setShadowState({
+                'type': 'stack_block',
+                'id': '2',
+                'next': {
+                  'shadow': {
+                    'type': 'stack_block',
+                    'id': 'b',
+                  },
+                },
+              });
+              assertNextHasBlock(parent, true, '2');
+              assertNextHasBlock(parent.getNextBlock(), true, 'b');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                  'next': {
+                    'shadow': {
+                      'type': 'stack_block',
+                      'id': '2',
+                      'next': {
+                        'shadow': {
+                          'type': 'stack_block',
+                          'id': 'b',
+                        },
+                      },
+                    },
+                  },
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="2">' +
+                  '<next>' +
+                  '<shadow type="stack_block" id="b"></shadow>' +
+                  '</next>' +
+                  '</shadow>' +
+                  '</next>' +
+                  '</block>',
+              );
+            });
+          });
+
+          suite('Remove - No Block Connected', function () {
+            // These are defined separately in each suite.
+            function createRowBlocks(workspace) {
+              return Blockly.serialization.blocks.append(
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'INPUT': {
+                      'shadow': {
+                        'type': 'row_block',
+                        'id': 'id1',
+                      },
+                    },
+                  },
+                },
+                workspace,
+              );
+            }
+
+            function createStatementBlocks(workspace) {
+              return Blockly.serialization.blocks.append(
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'NAME': {
+                      'shadow': {
+                        'type': 'statement_block',
+                        'id': 'id1',
+                      },
+                    },
+                  },
+                },
+                workspace,
+              );
+            }
+
+            function createStackBlocks(workspace) {
+              return Blockly.serialization.blocks.append(
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                  'next': {
+                    'shadow': {
+                      'type': 'stack_block',
+                      'id': 'id1',
+                    },
+                  },
+                },
+                workspace,
+              );
+            }
+
+            test('Value', function () {
+              const parent = createRowBlocks(this.workspace);
+              parent.getInput('INPUT').connection.setShadowState(null);
+              assertInputNotHasBlock(parent, 'INPUT');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '</block>',
+              );
+            });
+
+            test('Statement', function () {
+              const parent = createStatementBlocks(this.workspace);
+              parent.getInput('NAME').connection.setShadowState(null);
+              assertInputNotHasBlock(parent, 'NAME');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '</block>',
+              );
+            });
+
+            test('Next', function () {
+              const parent = createStackBlocks(this.workspace);
+              parent.nextConnection.setShadowState(null);
+              assertNextNotHasBlock(parent);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '</block>',
+              );
+            });
+          });
+
+          suite('Remove - Block Connected', function () {
+            // These are defined separately in each suite.
+            function createRowBlocks(workspace) {
+              return Blockly.serialization.blocks.append(
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'INPUT': {
+                      'shadow': {
+                        'type': 'row_block',
+                        'id': 'id1',
+                      },
+                      'block': {
+                        'type': 'row_block',
+                        'id': 'id2',
+                      },
+                    },
+                  },
+                },
+                workspace,
+              );
+            }
+
+            function createStatementBlocks(workspace) {
+              return Blockly.serialization.blocks.append(
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                  'inputs': {
+                    'NAME': {
+                      'shadow': {
+                        'type': 'statement_block',
+                        'id': 'id1',
+                      },
+                      'block': {
+                        'type': 'statement_block',
+                        'id': 'id2',
+                      },
+                    },
+                  },
+                },
+                workspace,
+              );
+            }
+
+            function createStackBlocks(workspace) {
+              return Blockly.serialization.blocks.append(
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                  'next': {
+                    'shadow': {
+                      'type': 'stack_block',
+                      'id': 'id1',
+                    },
+                    'block': {
+                      'type': 'stack_block',
+                      'id': 'id2',
+                    },
+                  },
+                },
+                workspace,
+              );
+            }
+
+            test('Value', function () {
+              const parent = createRowBlocks(this.workspace);
+              parent.getInput('INPUT').connection.setShadowState(null);
+              assertInputHasBlock(parent, 'INPUT', false);
+              parent.getInput('INPUT').connection.disconnect();
+              assertInputNotHasBlock(parent, 'INPUT');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'row_block',
+                  'id': 'id0',
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="row_block" id="id0">' +
+                  '</block>',
+              );
+            });
+
+            test('Statement', function () {
+              const parent = createStatementBlocks(this.workspace);
+              parent.getInput('NAME').connection.setShadowState(null);
+              assertInputHasBlock(parent, 'NAME', false);
+              parent.getInput('NAME').connection.disconnect();
+              assertInputNotHasBlock(parent, 'NAME');
+              assertSerialization(
+                parent,
+                {
+                  'type': 'statement_block',
+                  'id': 'id0',
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="statement_block" id="id0">' +
+                  '</block>',
+              );
+            });
+
+            test('Next', function () {
+              const parent = createStackBlocks(this.workspace);
+              parent.nextConnection.setShadowState(null);
+              assertNextHasBlock(parent, false);
+              parent.nextConnection.disconnect();
+              assertNextNotHasBlock(parent);
+              assertSerialization(
+                parent,
+                {
+                  'type': 'stack_block',
+                  'id': 'id0',
+                },
+                '<block xmlns="https://developers.google.com/blockly/xml" ' +
+                  'type="stack_block" id="id0">' +
+                  '</block>',
+              );
+            });
+          });
+
+          suite('Add - Connect & Disconnect - Remove', function () {
+            // These are defined separately in each suite.
+            function createRowBlock(workspace) {
+              return Blockly.serialization.blocks.append(
+                {'type': 'row_block'},
+                workspace,
+              );
+            }
+
+            function createStatementBlock(workspace) {
+              return Blockly.serialization.blocks.append(
+                {'type': 'statement_block'},
+                workspace,
+              );
+            }
+
+            function createStackBlock(workspace) {
+              return Blockly.serialization.blocks.append(
+                {'type': 'stack_block'},
+                workspace,
+              );
+            }
+
+            test('Value', function () {
+              const parent = createRowBlock(this.workspace);
+              parent
+                .getInput('INPUT')
+                .connection.setShadowState({'type': 'row_block'});
+              assertInputHasBlock(parent, 'INPUT', true);
+              const child = createRowBlock(this.workspace);
+              parent
+                .getInput('INPUT')
+                .connection.connect(child.outputConnection);
+              assertInputHasBlock(parent, 'INPUT', false);
+              parent.getInput('INPUT').connection.disconnect();
+              assertInputHasBlock(parent, 'INPUT', true);
+              parent.getInput('INPUT').connection.setShadowState(null);
+              assertInputNotHasBlock(parent, 'INPUT');
+            });
+
+            test('Multiple Value', function () {
+              const parent = createRowBlock(this.workspace);
+              parent.getInput('INPUT').connection.setShadowState({
+                'type': 'row_block',
+                'inputs': {
+                  'INPUT': {
+                    'shadow': {
+                      'type': 'row_block',
+                    },
+                  },
+                },
+              });
+              assertInputHasBlock(parent, 'INPUT', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('INPUT'),
+                'INPUT',
+                true,
+              );
+              const child = createRowBlock(this.workspace);
+              parent
+                .getInput('INPUT')
+                .connection.connect(child.outputConnection);
+              assertInputHasBlock(parent, 'INPUT', false);
+              parent.getInput('INPUT').connection.disconnect();
+              assertInputHasBlock(parent, 'INPUT', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('INPUT'),
+                'INPUT',
+                true,
+              );
+              parent.getInput('INPUT').connection.setShadowState(null);
+              assertInputNotHasBlock(parent, 'INPUT');
+            });
+
+            test('Statement', function () {
+              const parent = createStatementBlock(this.workspace);
+              parent
+                .getInput('NAME')
+                .connection.setShadowState({'type': 'statement_block'});
+              assertInputHasBlock(parent, 'NAME', true);
+              const child = createStatementBlock(this.workspace);
+              parent
+                .getInput('NAME')
+                .connection.connect(child.previousConnection);
+              assertInputHasBlock(parent, 'NAME', false);
+              parent.getInput('NAME').connection.disconnect();
+              assertInputHasBlock(parent, 'NAME', true);
+              parent.getInput('NAME').connection.setShadowState(null);
+              assertInputNotHasBlock(parent, 'NAME');
+            });
+
+            test('Multiple Statement', function () {
+              const parent = createStatementBlock(this.workspace);
+              parent.getInput('NAME').connection.setShadowState({
+                'type': 'statement_block',
+                'inputs': {
+                  'NAME': {
+                    'shadow': {
+                      'type': 'statement_block',
+                    },
+                  },
+                },
+              });
+              assertInputHasBlock(parent, 'NAME', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('NAME'),
+                'NAME',
+                true,
+              );
+              const child = createStatementBlock(this.workspace);
+              parent
+                .getInput('NAME')
+                .connection.connect(child.previousConnection);
+              assertInputHasBlock(parent, 'NAME', false);
+              parent.getInput('NAME').connection.disconnect();
+              assertInputHasBlock(parent, 'NAME', true);
+              assertInputHasBlock(
+                parent.getInputTargetBlock('NAME'),
+                'NAME',
+                true,
+              );
+              parent.getInput('NAME').connection.setShadowState(null);
+              assertInputNotHasBlock(parent, 'NAME');
+            });
+
+            test('Next', function () {
+              const parent = createStackBlock(this.workspace);
+              parent.nextConnection.setShadowState({'type': 'stack_block'});
+              const child = createStatementBlock(this.workspace);
+              parent.nextConnection.connect(child.previousConnection);
+              assertNextHasBlock(parent, false);
+              parent.nextConnection.disconnect();
+              assertNextHasBlock(parent, true);
+              parent.nextConnection.setShadowState(null);
+              assertNextNotHasBlock(parent);
+            });
+
+            test('Multiple Next', function () {
+              const parent = createStackBlock(this.workspace);
+              parent.nextConnection.setShadowState({
+                'type': 'stack_block',
+                'next': {
+                  'shadow': {
+                    'type': 'stack_block',
+                  },
+                },
+              });
+              assertNextHasBlock(parent, true);
+              assertNextHasBlock(parent.getNextBlock(), true);
+              const child = createStatementBlock(this.workspace);
+              parent.nextConnection.connect(child.previousConnection);
+              assertNextHasBlock(parent, false);
+              parent.nextConnection.disconnect();
+              assertNextHasBlock(parent, true);
+              assertNextHasBlock(parent.getNextBlock(), true);
+              parent.nextConnection.setShadowState(null);
+              assertNextNotHasBlock(parent);
+            });
+          });
+
+          suite('Invalid', function () {
+            test('Attach to output', function () {
+              const block = this.workspace.newBlock('row_block');
+              chai.assert.throws(() =>
+                block.outputConnection.setShadowState({'type': 'row_block'}),
+              );
+            });
+
+            test('Attach to previous', function () {
+              const block = this.workspace.newBlock('stack_block');
+              chai.assert.throws(() =>
+                block.previousConnection.setShadowState({
+                  'type': 'stack_block',
+                }),
+              );
+            });
+
+            test('Missing output', function () {
+              const block = this.workspace.newBlock('row_block');
+              chai.assert.throws(() =>
+                block.outputConnection.setShadowState({'type': 'stack_block'}),
+              );
+            });
+
+            test('Missing previous', function () {
+              const block = this.workspace.newBlock('stack_block');
+              chai.assert.throws(() =>
+                block.previousConnection.setShadowState({'type': 'row_block'}),
+              );
+            });
+
+            test('Invalid connection checks, output', function () {
+              const block = this.workspace.newBlock('logic_operation');
+              chai.assert.throws(() =>
+                block
+                  .getInput('A')
+                  .connection.setShadowState({'type': 'math_number'}),
+              );
+            });
+
+            test('Invalid connection checks, previous', function () {
+              Blockly.defineBlocksWithJsonArray([
+                {
+                  'type': 'stack_checks_block',
+                  'message0': '',
+                  'previousStatement': 'check 1',
+                  'nextStatement': 'check 2',
+                },
+              ]);
+              const block = this.workspace.newBlock('stack_checks_block');
+              chai.assert.throws(() =>
+                block.nextConnection.setShadowState({
+                  'type': 'stack_checks_block',
+                }),
+              );
+            });
+          });
+        });
+      });
+    });
+  });
+
+  suite('Connect', function () {
+    setup(function () {
+      this.workspace = new Blockly.Workspace();
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': 'stack_block',
+          'message0': '%1',
+          'args0': [
+            {
+              'type': 'field_input',
+              'name': 'FIELD',
+              'text': 'default',
+            },
+          ],
+          'previousStatement': 'check1',
+          'nextStatement': 'check1',
+        },
+        {
+          'type': 'stack_block_1to2',
+          'message0': '',
+          'previousStatement': 'check1',
+          'nextStatement': 'check2',
+        },
+        {
+          'type': 'stack_block_2to1',
+          'message0': '',
+          'previousStatement': 'check2',
+          'nextStatement': 'check1',
+        },
+        {
+          'type': 'stack_block_noend',
+          'message0': '',
+          'previousStatement': 'check1',
+        },
+        {
+          'type': 'row_block',
+          'message0': '%1 %2',
+          'args0': [
+            {
+              'type': 'field_input',
+              'name': 'FIELD',
+              'text': 'default',
+            },
+            {
+              'type': 'input_value',
+              'name': 'INPUT',
+              'check': 'check1',
+            },
+          ],
+          'output': 'check1',
+        },
+        {
+          'type': 'row_block_1to2',
+          'message0': '%1',
+          'args0': [
+            {
+              'type': 'input_value',
+              'name': 'INPUT',
+              'check': 'check1',
+            },
+          ],
+          'output': 'check2',
+        },
+        {
+          'type': 'row_block_2to1',
+          'message0': '%1',
+          'args0': [
+            {
+              'type': 'input_value',
+              'name': 'INPUT',
+              'check': 'check2',
+            },
+          ],
+          'output': 'check1',
+        },
+        {
+          'type': 'row_block_noend',
+          'message0': '',
+          'output': 'check1',
+        },
+        {
+          'type': 'row_block_multiple_inputs',
+          'message0': '%1 %2',
+          'args0': [
+            {
+              'type': 'input_value',
+              'name': 'INPUT',
+              'check': 'check1',
+            },
+            {
+              'type': 'input_value',
+              'name': 'INPUT2',
+              'check': 'check1',
+            },
+          ],
+          'output': 'check1',
+        },
+        {
+          'type': 'output_to_statements',
+          'message0': '%1 %2',
+          'args0': [
+            {
+              'type': 'input_statement',
+              'name': 'INPUT',
+              'check': 'check1',
+            },
+            {
+              'type': 'input_statement',
+              'name': 'INPUT2',
+              'check': 'check1',
+            },
+          ],
+          'output': 'check1',
+        },
+        {
+          'type': 'statement_block',
+          'message0': '%1 %2',
+          'args0': [
+            {
+              'type': 'field_input',
+              'name': 'FIELD',
+              'text': 'default',
+            },
+            {
+              'type': 'input_statement',
+              'name': 'NAME',
+              'check': 'check1',
+            },
+          ],
+          'previousStatement': 'check1',
+          'nextStatement': 'check1',
+        },
+        {
+          'type': 'statement_block_1to2',
+          'message0': '%1',
+          'args0': [
+            {
+              'type': 'input_statement',
+              'name': 'NAME',
+              'check': 'check1',
+            },
+          ],
+          'previousStatement': 'check1',
+          'nextStatement': 'check2',
+        },
+        {
+          'type': 'statement_block_2to1',
+          'message0': '%1',
+          'args0': [
+            {
+              'type': 'input_statement',
+              'name': 'NAME',
+              'check': 'check2',
+            },
+          ],
+          'previousStatement': 'check2',
+          'nextStatement': 'check1',
+        },
+        {
+          'type': 'statement_block_noend',
+          'message0': '%1',
+          'args0': [
+            {
+              'type': 'input_statement',
+              'name': 'NAME',
+              'check': 'check1',
+            },
+          ],
+          'previousStatement': 'check1',
+        },
+      ]);
+
+      // Used to make sure we don't get stray shadow blocks or anything.
+      this.assertBlockCount = function (count) {
+        chai.assert.equal(this.workspace.getAllBlocks().length, count);
+      };
+    });
+
+    suite('Disconnect from old parent', function () {
+      test('Value', function () {
+        const oldParent = this.workspace.newBlock('row_block');
+        const newParent = this.workspace.newBlock('row_block');
+        const child = this.workspace.newBlock('row_block');
+
+        oldParent.getInput('INPUT').connection.connect(child.outputConnection);
+        newParent.getInput('INPUT').connection.connect(child.outputConnection);
+
+        chai.assert.isFalse(
+          oldParent.getInput('INPUT').connection.isConnected(),
+        );
+        this.assertBlockCount(3);
+      });
+
+      test('Statement', function () {
+        const oldParent = this.workspace.newBlock('statement_block');
+        const newParent = this.workspace.newBlock('statement_block');
+        const child = this.workspace.newBlock('stack_block');
+
+        oldParent.getInput('NAME').connection.connect(child.previousConnection);
+        newParent.getInput('NAME').connection.connect(child.previousConnection);
+
+        chai.assert.isFalse(
+          oldParent.getInput('NAME').connection.isConnected(),
+        );
+        this.assertBlockCount(3);
+      });
+
+      test('Next', function () {
+        const oldParent = this.workspace.newBlock('stack_block');
+        const newParent = this.workspace.newBlock('stack_block');
+        const child = this.workspace.newBlock('stack_block');
+
+        oldParent.nextConnection.connect(child.previousConnection);
+        newParent.nextConnection.connect(child.previousConnection);
+
+        chai.assert.isFalse(oldParent.nextConnection.isConnected());
+        this.assertBlockCount(3);
+      });
+    });
+
+    suite('Shadow dissolves', function () {
+      test('Value', function () {
+        const newParent = this.workspace.newBlock('row_block');
+        const child = this.workspace.newBlock('row_block');
+        const xml = Blockly.utils.xml.textToDom('<shadow type="row_block"/>');
+        newParent.getInput('INPUT').connection.setShadowDom(xml);
+        chai.assert.isTrue(newParent.getInputTargetBlock('INPUT').isShadow());
+
+        newParent.getInput('INPUT').connection.connect(child.outputConnection);
+
+        chai.assert.isFalse(newParent.getInputTargetBlock('INPUT').isShadow());
+        this.assertBlockCount(2);
+      });
+
+      test('Statement', function () {
+        const newParent = this.workspace.newBlock('statement_block');
+        const child = this.workspace.newBlock('stack_block');
+        const xml = Blockly.utils.xml.textToDom('<shadow type="stack_block"/>');
+        newParent.getInput('NAME').connection.setShadowDom(xml);
+        chai.assert.isTrue(newParent.getInputTargetBlock('NAME').isShadow());
+
+        newParent.getInput('NAME').connection.connect(child.previousConnection);
+
+        chai.assert.isFalse(newParent.getInputTargetBlock('NAME').isShadow());
+        this.assertBlockCount(2);
+      });
+
+      test('Next', function () {
+        const newParent = this.workspace.newBlock('stack_block');
+        const child = this.workspace.newBlock('stack_block');
+        const xml = Blockly.utils.xml.textToDom('<shadow type="stack_block"/>');
+        newParent.nextConnection.setShadowDom(xml);
+        chai.assert.isTrue(newParent.getNextBlock().isShadow());
+
+        newParent.nextConnection.connect(child.previousConnection);
+
+        chai.assert.isFalse(newParent.getNextBlock().isShadow());
+        this.assertBlockCount(2);
+      });
+    });
+
+    suite('Saving shadow values', function () {
+      test('Value', function () {
+        const newParent = this.workspace.newBlock('row_block');
+        const child = this.workspace.newBlock('row_block');
+        const xml = Blockly.utils.xml.textToDom('<shadow type="row_block"/>');
+        newParent.getInput('INPUT').connection.setShadowDom(xml);
+        newParent.getInputTargetBlock('INPUT').setFieldValue('new', 'FIELD');
+
+        newParent.getInput('INPUT').connection.connect(child.outputConnection);
+        newParent.getInput('INPUT').connection.disconnect();
+
+        const target = newParent.getInputTargetBlock('INPUT');
+        chai.assert.isTrue(target.isShadow());
+        chai.assert.equal(target.getFieldValue('FIELD'), 'new');
+        this.assertBlockCount(3);
+      });
+
+      test('Statement', function () {
+        const newParent = this.workspace.newBlock('statement_block');
+        const child = this.workspace.newBlock('stack_block');
+        const xml = Blockly.utils.xml.textToDom('<shadow type="stack_block"/>');
+        newParent.getInput('NAME').connection.setShadowDom(xml);
+        newParent.getInputTargetBlock('NAME').setFieldValue('new', 'FIELD');
+
+        newParent.getInput('NAME').connection.connect(child.previousConnection);
+        newParent.getInput('NAME').connection.disconnect();
+
+        const target = newParent.getInputTargetBlock('NAME');
+        chai.assert.isTrue(target.isShadow());
+        chai.assert.equal(target.getFieldValue('FIELD'), 'new');
+        this.assertBlockCount(3);
+      });
+
+      test('Next', function () {
+        const newParent = this.workspace.newBlock('stack_block');
+        const child = this.workspace.newBlock('stack_block');
+        const xml = Blockly.utils.xml.textToDom('<shadow type="stack_block"/>');
+        newParent.nextConnection.setShadowDom(xml);
+        newParent.getNextBlock().setFieldValue('new', 'FIELD');
+
+        newParent.nextConnection.connect(child.previousConnection);
+        newParent.nextConnection.disconnect();
+
+        const target = newParent.getNextBlock();
+        chai.assert.isTrue(target.isShadow());
+        chai.assert.equal(target.getFieldValue('FIELD'), 'new');
+        this.assertBlockCount(3);
+      });
+    });
+
+    suite('Reattach or bump orphan', function () {
+      suite('Value', function () {
+        suite('No available spots', function () {
+          test('No connection', function () {
+            const parent = this.workspace.newBlock('row_block');
+            const oldChild = this.workspace.newBlock('row_block');
+            const newChild = this.workspace.newBlock('row_block_noend');
+            parent
+              .getInput('INPUT')
+              .connection.connect(oldChild.outputConnection);
+
+            parent
+              .getInput('INPUT')
+              .connection.connect(newChild.outputConnection);
+
+            chai.assert.isTrue(
+              parent.getInput('INPUT').connection.isConnected(),
             );
-            parent.getInput('STATEMENT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'STATEMENT', true);
+            chai.assert.equal(parent.getInputTargetBlock('INPUT'), newChild);
+            chai.assert.isFalse(oldChild.outputConnection.isConnected());
           });
 
-          test('Multiple Statement', function() {
-            var parent = createStatementBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="statement_block">' +
-                '  <statement name="STATEMENT">' +
-                '    <shadow type="statement_block"/>' +
-                '  </statement>' +
-                '</shadow>'
+          test('All statements', function () {
+            const parent = this.workspace.newBlock('row_block');
+            const oldChild = this.workspace.newBlock('row_block');
+            const newChild = this.workspace.newBlock('output_to_statements');
+            parent
+              .getInput('INPUT')
+              .connection.connect(oldChild.outputConnection);
+
+            parent
+              .getInput('INPUT')
+              .connection.connect(newChild.outputConnection);
+
+            chai.assert.isTrue(
+              parent.getInput('INPUT').connection.isConnected(),
             );
-            parent.getInput('STATEMENT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'STATEMENT', true);
-            assertInputHasBlock(
-                parent.getInputTargetBlock('STATEMENT'), 'STATEMENT', true);
+            chai.assert.equal(parent.getInputTargetBlock('INPUT'), newChild);
+            chai.assert.isFalse(oldChild.outputConnection.isConnected());
           });
 
-          test('Next', function() {
-            var parent = createStackBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="stack_block"/>'
+          test('Bad checks', function () {
+            const parent = this.workspace.newBlock('row_block');
+            const oldChild = this.workspace.newBlock('row_block');
+            const newChild = this.workspace.newBlock('row_block_2to1');
+            parent
+              .getInput('INPUT')
+              .connection.connect(oldChild.outputConnection);
+
+            parent
+              .getInput('INPUT')
+              .connection.connect(newChild.outputConnection);
+
+            chai.assert.isTrue(
+              parent.getInput('INPUT').connection.isConnected(),
             );
-            parent.nextConnection.setShadowDom(xml);
-            assertNextHasBlock(parent, true);
-          });
-
-          test('Multiple Next', function() {
-            var parent = createStackBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="stack_block">' +
-                '  <next>' +
-                '    <shadow type="stack_block"/>' +
-                '  </next>' +
-                '</shadow>'
+            chai.assert.equal(parent.getInputTargetBlock('INPUT'), newChild);
+            chai.assert.isFalse(oldChild.outputConnection.isConnected());
+          });
+
+          test('Through different types', function () {
+            const parent = this.workspace.newBlock('row_block');
+            const oldChild = this.workspace.newBlock('row_block');
+            const newChild = this.workspace.newBlock('row_block_2to1');
+            const otherChild = this.workspace.newBlock('row_block_1to2');
+
+            parent
+              .getInput('INPUT')
+              .connection.connect(oldChild.outputConnection);
+            newChild
+              .getInput('INPUT')
+              .connection.connect(otherChild.outputConnection);
+
+            parent
+              .getInput('INPUT')
+              .connection.connect(newChild.outputConnection);
+
+            chai.assert.isTrue(
+              parent.getInput('INPUT').connection.isConnected(),
             );
-            parent.nextConnection.setShadowDom(xml);
-            assertNextHasBlock(parent, true);
-            assertNextHasBlock(parent.getNextBlock(), true);
+            chai.assert.equal(parent.getInputTargetBlock('INPUT'), newChild);
+            chai.assert.isFalse(oldChild.outputConnection.isConnected());
           });
         });
 
-        suite('Add - With Block Connected', function() {
-          // These are defined separately in each suite.
-          function createRowBlocks(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="row_block">' +
-                '  <value name="INPUT">' +
-                '    <block type="row_block"/>' +
-                '  </value>' +
-                '</block>'
-            ), workspace);
-            return block;
-          }
-
-          function createStatementBlocks(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="statement_block">' +
-                '  <statement name="STATEMENT">' +
-                '    <block type="statement_block"/>' +
-                '  </statement>' +
-                '</block>'
-            ), workspace);
-            return block;
-          }
-
-          function createStackBlocks(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="stack_block">' +
-                '  <next>' +
-                '    <block type="stack_block"/>' +
-                '  </next>' +
-                '</block>'
-            ), workspace);
-            return block;
-          }
-
-          test('Value', function() {
-            var parent = createRowBlocks(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="row_block"/>'
-            );
-            parent.getInput('INPUT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'INPUT', false);
-            parent.getInput('INPUT').connection.disconnect();
-            assertInputHasBlock(parent, 'INPUT', true);
+        suite('Multiple available spots', function () {
+          suite('No shadows', function () {
+            test('Top block', function () {
+              const parent = this.workspace.newBlock('row_block');
+              const oldChild = this.workspace.newBlock('row_block');
+              const newChild = this.workspace.newBlock(
+                'row_block_multiple_inputs',
+              );
+
+              parent
+                .getInput('INPUT')
+                .connection.connect(oldChild.outputConnection);
+
+              parent
+                .getInput('INPUT')
+                .connection.connect(newChild.outputConnection);
+
+              chai.assert.isTrue(
+                parent.getInput('INPUT').connection.isConnected(),
+              );
+              chai.assert.equal(parent.getInputTargetBlock('INPUT'), newChild);
+              chai.assert.isFalse(oldChild.outputConnection.isConnected());
+            });
+
+            test('Child blocks', function () {
+              const parent = this.workspace.newBlock('row_block');
+              const oldChild = this.workspace.newBlock('row_block');
+              const newChild = this.workspace.newBlock(
+                'row_block_multiple_inputs',
+              );
+              const childX = this.workspace.newBlock('row_block');
+              const childY = this.workspace.newBlock('row_block');
+
+              parent
+                .getInput('INPUT')
+                .connection.connect(oldChild.outputConnection);
+              newChild
+                .getInput('INPUT')
+                .connection.connect(childX.outputConnection);
+              newChild
+                .getInput('INPUT2')
+                .connection.connect(childY.outputConnection);
+
+              parent
+                .getInput('INPUT')
+                .connection.connect(newChild.outputConnection);
+
+              chai.assert.isTrue(
+                parent.getInput('INPUT').connection.isConnected(),
+              );
+              chai.assert.equal(parent.getInputTargetBlock('INPUT'), newChild);
+              chai.assert.isFalse(oldChild.outputConnection.isConnected());
+            });
+
+            test('Spots filled', function () {
+              const parent = this.workspace.newBlock('row_block');
+              const oldChild = this.workspace.newBlock('row_block');
+              const newChild = this.workspace.newBlock(
+                'row_block_multiple_inputs',
+              );
+              const otherChild = this.workspace.newBlock('row_block_noend');
+
+              parent
+                .getInput('INPUT')
+                .connection.connect(oldChild.outputConnection);
+              newChild
+                .getInput('INPUT')
+                .connection.connect(otherChild.outputConnection);
+
+              parent
+                .getInput('INPUT')
+                .connection.connect(newChild.outputConnection);
+
+              chai.assert.isTrue(
+                parent.getInput('INPUT').connection.isConnected(),
+              );
+              chai.assert.equal(parent.getInputTargetBlock('INPUT'), newChild);
+              chai.assert.isFalse(oldChild.outputConnection.isConnected());
+            });
           });
 
-          test('Multiple Value', function() {
-            var parent = createRowBlocks(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="row_block">' +
-                '  <value name="INPUT">' +
-                '    <shadow type="row_block"/>' +
-                '  </value>' +
-                '</shadow>'
+          suite('Shadows', function () {
+            test('Top block', function () {
+              const parent = this.workspace.newBlock('row_block');
+              const oldChild = this.workspace.newBlock('row_block');
+              const newChild = this.workspace.newBlock(
+                'row_block_multiple_inputs',
+              );
+
+              parent
+                .getInput('INPUT')
+                .connection.connect(oldChild.outputConnection);
+              newChild
+                .getInput('INPUT')
+                .connection.setShadowDom(
+                  Blockly.utils.xml.textToDom(
+                    '<xml><shadow type="row_block"/></xml>',
+                  ).firstChild,
+                );
+              newChild
+                .getInput('INPUT2')
+                .connection.setShadowDom(
+                  Blockly.utils.xml.textToDom(
+                    '<xml><shadow type="row_block"/></xml>',
+                  ).firstChild,
+                );
+
+              parent
+                .getInput('INPUT')
+                .connection.connect(newChild.outputConnection);
+
+              chai.assert.isTrue(
+                parent.getInput('INPUT').connection.isConnected(),
+              );
+              chai.assert.equal(parent.getInputTargetBlock('INPUT'), newChild);
+              chai.assert.isFalse(oldChild.outputConnection.isConnected());
+            });
+
+            test('Child blocks', function () {
+              const parent = this.workspace.newBlock('row_block');
+              const oldChild = this.workspace.newBlock('row_block');
+              const newChild = this.workspace.newBlock(
+                'row_block_multiple_inputs',
+              );
+              const childX = this.workspace.newBlock('row_block');
+              const childY = this.workspace.newBlock('row_block');
+
+              parent
+                .getInput('INPUT')
+                .connection.connect(oldChild.outputConnection);
+              newChild
+                .getInput('INPUT')
+                .connection.connect(childX.outputConnection);
+              newChild
+                .getInput('INPUT2')
+                .connection.connect(childY.outputConnection);
+              childX
+                .getInput('INPUT')
+                .connection.setShadowDom(
+                  Blockly.utils.xml.textToDom(
+                    '<xml><shadow type="row_block"/></xml>',
+                  ).firstChild,
+                );
+              childY
+                .getInput('INPUT')
+                .connection.setShadowDom(
+                  Blockly.utils.xml.textToDom(
+                    '<xml><shadow type="row_block"/></xml>',
+                  ).firstChild,
+                );
+
+              parent
+                .getInput('INPUT')
+                .connection.connect(newChild.outputConnection);
+
+              chai.assert.isTrue(
+                parent.getInput('INPUT').connection.isConnected(),
+              );
+              chai.assert.equal(parent.getInputTargetBlock('INPUT'), newChild);
+              chai.assert.isFalse(oldChild.outputConnection.isConnected());
+            });
+
+            test('Spots filled', function () {
+              const parent = this.workspace.newBlock('row_block');
+              const oldChild = this.workspace.newBlock('row_block');
+              const newChild = this.workspace.newBlock(
+                'row_block_multiple_inputs',
+              );
+              const otherChild = this.workspace.newBlock('row_block_noend');
+
+              parent
+                .getInput('INPUT')
+                .connection.connect(oldChild.outputConnection);
+              newChild
+                .getInput('INPUT')
+                .connection.connect(otherChild.outputConnection);
+              newChild
+                .getInput('INPUT2')
+                .connection.setShadowDom(
+                  Blockly.utils.xml.textToDom(
+                    '<xml><shadow type="row_block"/></xml>',
+                  ).firstChild,
+                );
+
+              parent
+                .getInput('INPUT')
+                .connection.connect(newChild.outputConnection);
+
+              chai.assert.isTrue(
+                parent.getInput('INPUT').connection.isConnected(),
+              );
+              chai.assert.equal(parent.getInputTargetBlock('INPUT'), newChild);
+              chai.assert.isFalse(oldChild.outputConnection.isConnected());
+            });
+          });
+        });
+
+        suite('Single available spot', function () {
+          test('No shadows', function () {
+            const parent = this.workspace.newBlock('row_block');
+            const oldChild = this.workspace.newBlock('row_block');
+            const newChild = this.workspace.newBlock('row_block');
+
+            parent
+              .getInput('INPUT')
+              .connection.connect(oldChild.outputConnection);
+
+            parent
+              .getInput('INPUT')
+              .connection.connect(newChild.outputConnection);
+
+            chai.assert.isTrue(
+              parent.getInput('INPUT').connection.isConnected(),
             );
-            parent.getInput('INPUT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'INPUT', false);
-            assertInputNotHasBlock(parent.getInputTargetBlock('INPUT'), 'INPUT');
-            parent.getInput('INPUT').connection.disconnect();
-            assertInputHasBlock(parent, 'INPUT', true);
-            assertInputHasBlock(
-                parent.getInputTargetBlock('INPUT'), 'INPUT', true);
-          });
-
-          test('Statement', function() {
-            var parent = createStatementBlocks(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="statement_block"/>'
+            chai.assert.equal(parent.getInputTargetBlock('INPUT'), newChild);
+            chai.assert.isTrue(
+              newChild.getInput('INPUT').connection.isConnected(),
             );
-            parent.getInput('STATEMENT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'STATEMENT', false);
-            parent.getInput('STATEMENT').connection.disconnect();
-            assertInputHasBlock(parent, 'STATEMENT', true);
+            chai.assert.equal(newChild.getInputTargetBlock('INPUT'), oldChild);
           });
 
-          test('Multiple Statement', function() {
-            var parent = createStatementBlocks(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="statement_block">' +
-                '  <statement name="STATEMENT">' +
-                '    <shadow type="statement_block"/>' +
-                '  </statement>' +
-                '</shadow>'
-            );
-            parent.getInput('STATEMENT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'STATEMENT', false);
-            assertInputNotHasBlock(
-                parent.getInputTargetBlock('STATEMENT'), 'STATEMENT');
-            parent.getInput('STATEMENT').connection.disconnect();
-            assertInputHasBlock(parent, 'STATEMENT', true);
-            assertInputHasBlock(
-                parent.getInputTargetBlock('STATEMENT'), 'STATEMENT', true);
-          });
-
-          test('Next', function() {
-            var parent = createStackBlocks(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="stack_block"/>'
+          test('Shadows', function () {
+            const parent = this.workspace.newBlock('row_block');
+            const oldChild = this.workspace.newBlock('row_block');
+            const newChild = this.workspace.newBlock('row_block');
+
+            parent
+              .getInput('INPUT')
+              .connection.connect(oldChild.outputConnection);
+            newChild
+              .getInput('INPUT')
+              .connection.setShadowDom(
+                Blockly.utils.xml.textToDom(
+                  '<xml><shadow type="row_block"/></xml>',
+                ).firstChild,
+              );
+
+            parent
+              .getInput('INPUT')
+              .connection.connect(newChild.outputConnection);
+
+            chai.assert.isTrue(
+              parent.getInput('INPUT').connection.isConnected(),
             );
-            parent.nextConnection.setShadowDom(xml);
-            assertNextHasBlock(parent, false);
-            parent.nextConnection.disconnect();
-            assertNextHasBlock(parent, true);
-          });
-
-          test('Multiple Next', function() {
-            var parent = createStackBlocks(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="stack_block">' +
-                '  <next>' +
-                '    <shadow type="stack_block"/>' +
-                '  </next>' +
-                '</shadow>'
+            chai.assert.equal(parent.getInputTargetBlock('INPUT'), newChild);
+            chai.assert.isTrue(
+              newChild.getInput('INPUT').connection.isConnected(),
             );
-            parent.nextConnection.setShadowDom(xml);
-            assertNextHasBlock(parent, false);
-            assertNextNotHasBlock(parent.getNextBlock());
-            parent.nextConnection.disconnect();
-            assertNextHasBlock(parent, true);
-            assertNextHasBlock(parent.getNextBlock(), true);
+            chai.assert.equal(newChild.getInputTargetBlock('INPUT'), oldChild);
           });
         });
+      });
 
-        suite('Add - With Shadow Connected', function() {
-          // These are defined separately in each suite.
-          function createRowBlock(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="row_block"/>'
-            ), workspace);
-            return block;
-          }
-
-          function createStatementBlock(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="statement_block"/>'
-            ), workspace);
-            return block;
-          }
-
-          function createStackBlock(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="stack_block"/>'
-            ), workspace);
-            return block;
-          }
-
-          test('Value', function() {
-            var parent = createRowBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="row_block" id="1"/>'
+      suite('Statement', function () {
+        suite('No shadows', function () {
+          test('Simple', function () {
+            const parent = this.workspace.newBlock('statement_block');
+            const oldChild = this.workspace.newBlock('stack_block');
+            const newChild = this.workspace.newBlock('stack_block');
+            parent
+              .getInput('NAME')
+              .connection.connect(oldChild.previousConnection);
+
+            parent
+              .getInput('NAME')
+              .connection.connect(newChild.previousConnection);
+
+            chai.assert.isTrue(
+              parent.getInput('NAME').connection.isConnected(),
             );
-            parent.getInput('INPUT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'INPUT', true, '1');
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="row_block" id="2"/>'
+            chai.assert.equal(parent.getInputTargetBlock('NAME'), newChild);
+            chai.assert.isTrue(newChild.nextConnection.isConnected());
+            chai.assert.equal(newChild.getNextBlock(), oldChild);
+            this.assertBlockCount(3);
+          });
+
+          test('Bad check in between', function () {
+            const parent = this.workspace.newBlock('statement_block');
+            const oldChild = this.workspace.newBlock('stack_block');
+            const newChild1 = this.workspace.newBlock('stack_block_1to2');
+            const newChild2 = this.workspace.newBlock('stack_block_2to1');
+            parent
+              .getInput('NAME')
+              .connection.connect(oldChild.previousConnection);
+            newChild1.nextConnection.connect(newChild2.previousConnection);
+
+            parent
+              .getInput('NAME')
+              .connection.connect(newChild1.previousConnection);
+
+            chai.assert.isTrue(
+              parent.getInput('NAME').connection.isConnected(),
             );
-            parent.getInput('INPUT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'INPUT', true, '2');
+            chai.assert.equal(parent.getInputTargetBlock('NAME'), newChild1);
+            chai.assert.isTrue(newChild2.nextConnection.isConnected());
+            chai.assert.equal(newChild2.getNextBlock(), oldChild);
+            this.assertBlockCount(4);
           });
 
-          test('Multiple Value', function() {
-            var parent = createRowBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="row_block" id="1">' +
-                '  <value name="INPUT">' +
-                '    <shadow type="row_block" id="a"/>' +
-                '  </value>' +
-                '</shadow>'
+          test('Bad check at end', function () {
+            const parent = this.workspace.newBlock('statement_block');
+            const oldChild = this.workspace.newBlock('stack_block');
+            const newChild = this.workspace.newBlock('stack_block_1to2');
+            parent
+              .getInput('NAME')
+              .connection.connect(oldChild.previousConnection);
+            const spy = sinon.spy(
+              oldChild.previousConnection,
+              'onFailedConnect',
             );
-            parent.getInput('INPUT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'INPUT', true, '1');
-            assertInputHasBlock(
-                parent.getInputTargetBlock('INPUT'), 'INPUT', true, 'a');
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="row_block" id="2">' +
-                '  <value name="INPUT">' +
-                '    <shadow type="row_block" id="b"/>' +
-                '  </value>' +
-                '</shadow>'
+
+            parent
+              .getInput('NAME')
+              .connection.connect(newChild.previousConnection);
+
+            chai.assert.isTrue(
+              parent.getInput('NAME').connection.isConnected(),
             );
-            parent.getInput('INPUT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'INPUT', true, '2');
-            assertInputHasBlock(
-                parent.getInputTargetBlock('INPUT'), 'INPUT', true, 'b');
+            chai.assert.equal(parent.getInputTargetBlock('NAME'), newChild);
+            chai.assert.isFalse(newChild.nextConnection.isConnected());
+            chai.assert.isTrue(spy.calledOnce);
+            this.assertBlockCount(3);
           });
 
-          test('Statement', function() {
-            var parent = createStatementBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="statement_block" id="1"/>'
+          test('No end connection', function () {
+            const parent = this.workspace.newBlock('statement_block');
+            const oldChild = this.workspace.newBlock('stack_block');
+            const newChild = this.workspace.newBlock('stack_block_noend');
+            parent
+              .getInput('NAME')
+              .connection.connect(oldChild.previousConnection);
+            const spy = sinon.spy(
+              oldChild.previousConnection,
+              'onFailedConnect',
             );
-            parent.getInput('STATEMENT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'STATEMENT', true, '1');
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="statement_block" id="2"/>'
+
+            parent
+              .getInput('NAME')
+              .connection.connect(newChild.previousConnection);
+
+            chai.assert.isTrue(
+              parent.getInput('NAME').connection.isConnected(),
             );
-            parent.getInput('STATEMENT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'STATEMENT', true, '2');
+            chai.assert.equal(parent.getInputTargetBlock('NAME'), newChild);
+            chai.assert.isTrue(spy.calledOnce);
+            this.assertBlockCount(3);
           });
+        });
 
-          test('Multiple Statement', function() {
-            var parent = createStatementBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="statement_block" id="1">' +
-                '  <statement name="STATEMENT">' +
-                '    <shadow type="statement_block" id="a"/>' +
-                '  </statement>' +
-                '</shadow>'
+        suite('Shadows', function () {
+          test('Simple', function () {
+            const parent = this.workspace.newBlock('statement_block');
+            const oldChild = this.workspace.newBlock('stack_block');
+            const newChild = this.workspace.newBlock('stack_block');
+            parent
+              .getInput('NAME')
+              .connection.connect(oldChild.previousConnection);
+            const xml = Blockly.utils.xml.textToDom(
+              '<shadow type="stack_block"/>',
             );
-            parent.getInput('STATEMENT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'STATEMENT', true, '1');
-            assertInputHasBlock(
-                parent.getInputTargetBlock('STATEMENT'), 'STATEMENT', true, 'a');
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="statement_block" id="2">' +
-                '  <statement name="STATEMENT">' +
-                '    <shadow type="statement_block" id="b"/>' +
-                '  </statement>' +
-                '</shadow>'
+            newChild.nextConnection.setShadowDom(xml);
+
+            parent
+              .getInput('NAME')
+              .connection.connect(newChild.previousConnection);
+
+            chai.assert.isTrue(
+              parent.getInput('NAME').connection.isConnected(),
             );
-            parent.getInput('STATEMENT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'STATEMENT', true, '2');
-            assertInputHasBlock(
-                parent.getInputTargetBlock('STATEMENT'), 'STATEMENT', true, 'b');
+            chai.assert.equal(parent.getInputTargetBlock('NAME'), newChild);
+            chai.assert.isTrue(newChild.nextConnection.isConnected());
+            chai.assert.equal(newChild.getNextBlock(), oldChild);
+            this.assertBlockCount(3);
           });
 
-          test('Next', function() {
-            var parent = createStackBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="stack_block" id="1"/>'
+          test('Bad check in between', function () {
+            const parent = this.workspace.newBlock('statement_block');
+            const oldChild = this.workspace.newBlock('stack_block');
+            const newChild1 = this.workspace.newBlock('stack_block_1to2');
+            const newChild2 = this.workspace.newBlock('stack_block_2to1');
+            parent
+              .getInput('NAME')
+              .connection.connect(oldChild.previousConnection);
+            newChild1.nextConnection.connect(newChild2.previousConnection);
+            const xml = Blockly.utils.xml.textToDom(
+              '<shadow type="stack_block"/>',
             );
-            parent.nextConnection.setShadowDom(xml);
-            assertNextHasBlock(parent, true, '1');
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="stack_block" id="2"/>'
+            newChild2.nextConnection.setShadowDom(xml);
+
+            parent
+              .getInput('NAME')
+              .connection.connect(newChild1.previousConnection);
+
+            chai.assert.isTrue(
+              parent.getInput('NAME').connection.isConnected(),
             );
-            parent.nextConnection.setShadowDom(xml);
-            assertNextHasBlock(parent, true, '2');
+            chai.assert.equal(parent.getInputTargetBlock('NAME'), newChild1);
+            chai.assert.isTrue(newChild2.nextConnection.isConnected());
+            chai.assert.equal(newChild2.getNextBlock(), oldChild);
+            this.assertBlockCount(4);
           });
 
-          test('Multiple Next', function() {
-            var parent = createStackBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="stack_block" id="1">' +
-                '  <next>' +
-                '    <shadow type="stack_block" id="a"/>' +
-                '  </next>' +
-                '</shadow>'
+          test('Bad check at end', function () {
+            const parent = this.workspace.newBlock('statement_block');
+            const oldChild = this.workspace.newBlock('stack_block');
+            const newChild = this.workspace.newBlock('stack_block_1to2');
+            parent
+              .getInput('NAME')
+              .connection.connect(oldChild.previousConnection);
+            const xml = Blockly.utils.xml.textToDom(
+              '<shadow type="stack_block_2to1"/>',
             );
-            parent.nextConnection.setShadowDom(xml);
-            assertNextHasBlock(parent, true, '1');
-            assertNextHasBlock(parent.getNextBlock(), true, 'a');
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="stack_block" id="2">' +
-                '  <next>' +
-                '    <shadow type="stack_block" id="b"/>' +
-                '  </next>' +
-                '</shadow>'
+            newChild.nextConnection.setShadowDom(xml);
+            const spy = sinon.spy(
+              oldChild.previousConnection,
+              'onFailedConnect',
+            );
+
+            parent
+              .getInput('NAME')
+              .connection.connect(newChild.previousConnection);
+
+            chai.assert.isTrue(
+              parent.getInput('NAME').connection.isConnected(),
             );
-            parent.nextConnection.setShadowDom(xml);
-            assertNextHasBlock(parent, true, '2');
-            assertNextHasBlock(parent.getNextBlock(), true, 'b');
+            chai.assert.equal(parent.getInputTargetBlock('NAME'), newChild);
+            chai.assert.isTrue(newChild.nextConnection.isConnected());
+            chai.assert.isTrue(newChild.getNextBlock().isShadow());
+            chai.assert.isTrue(spy.calledOnce);
+            this.assertBlockCount(4);
           });
         });
+      });
 
-        suite('Remove - No Block Connected', function() {
-          // These are defined separately in each suite.
-          function createRowBlock(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="row_block">' +
-                '  <value name="INPUT">' +
-                '    <shadow type="row_block"/>' +
-                '  </value>' +
-                '</block>'
-            ), workspace);
-            return block;
-          }
-
-          function createStatementBlock(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="statement_block">' +
-                '  <statement name="STATEMENT">' +
-                '    <shadow type="statement_block"/>' +
-                '  </statement>' +
-                '</block>'
-            ), workspace);
-            return block;
-          }
-
-          function createStackBlock(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="stack_block">' +
-                '  <next>' +
-                '    <shadow type="stack_block"/>' +
-                '  </next>' +
-                '</block>'
-            ), workspace);
-            return block;
-          }
-
-          test('Value', function() {
-            var parent = createRowBlock(this.workspace);
-            parent.getInput('INPUT').connection.setShadowDom(null);
-            assertInputNotHasBlock(parent, 'INPUT');
-          });
-
-          test('Statement', function() {
-            var parent = createStatementBlock(this.workspace);
-            parent.getInput('STATEMENT').connection.setShadowDom(null);
-            assertInputNotHasBlock(parent, 'STATMENT');
-          });
-
-          test('Next', function() {
-            var parent = createStackBlock(this.workspace);
-            parent.nextConnection.setShadowDom(null);
-            assertNextNotHasBlock(parent);
+      suite('Next', function () {
+        suite('No shadows', function () {
+          test('Simple', function () {
+            const parent = this.workspace.newBlock('stack_block');
+            const oldChild = this.workspace.newBlock('stack_block');
+            const newChild = this.workspace.newBlock('stack_block');
+            parent.nextConnection.connect(oldChild.previousConnection);
+
+            parent.nextConnection.connect(newChild.previousConnection);
+
+            chai.assert.isTrue(parent.nextConnection.isConnected());
+            chai.assert.equal(parent.getNextBlock(), newChild);
+            chai.assert.isTrue(newChild.nextConnection.isConnected());
+            chai.assert.equal(newChild.getNextBlock(), oldChild);
+            this.assertBlockCount(3);
           });
-        });
 
-        suite('Remove - Block Connected', function() {
-          // These are defined separately in each suite.
-          function createRowBlock(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="row_block">' +
-                '  <value name="INPUT">' +
-                '    <shadow type="row_block"/>' +
-                '    <block type="row_block"/>' +
-                '  </value>' +
-                '</block>'
-            ), workspace);
-            return block;
-          }
-
-          function createStatementBlock(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="statement_block">' +
-                '  <statement name="STATEMENT">' +
-                '    <shadow type="statement_block"/>' +
-                '    <block type="statement_block"/>' +
-                '  </statement>' +
-                '</block>'
-            ), workspace);
-            return block;
-          }
-
-          function createStackBlock(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="stack_block">' +
-                '  <next>' +
-                '    <shadow type="stack_block"/>' +
-                '    <block type="stack_block"/>' +
-                '  </next>' +
-                '</block>'
-            ), workspace);
-            return block;
-          }
-
-          test('Value', function() {
-            var parent = createRowBlock(this.workspace);
-            parent.getInput('INPUT').connection.setShadowDom(null);
-            assertInputHasBlock(parent, 'INPUT', false);
-            parent.getInput('INPUT').connection.disconnect();
-            assertInputNotHasBlock(parent, 'INPUT');
-          });
-
-          test('Statement', function() {
-            var parent = createStatementBlock(this.workspace);
-            parent.getInput('STATEMENT').connection.setShadowDom(null);
-            assertInputHasBlock(parent, 'STATEMENT', false);
-            parent.getInput('STATEMENT').connection.disconnect();
-            assertInputNotHasBlock(parent, 'STATEMENT');
-          });
-
-          test('Next', function() {
-            var parent = createStackBlock(this.workspace);
-            parent.nextConnection.setShadowDom(null);
-            assertNextHasBlock(parent, false);
-            parent.nextConnection.disconnect();
-            assertNextNotHasBlock(parent);
+          test('Bad check in between', function () {
+            const parent = this.workspace.newBlock('stack_block');
+            const oldChild = this.workspace.newBlock('stack_block');
+            const newChild1 = this.workspace.newBlock('stack_block_1to2');
+            const newChild2 = this.workspace.newBlock('stack_block_2to1');
+            parent.nextConnection.connect(oldChild.previousConnection);
+            newChild1.nextConnection.connect(newChild2.previousConnection);
+
+            parent.nextConnection.connect(newChild1.previousConnection);
+
+            chai.assert.isTrue(parent.nextConnection.isConnected());
+            chai.assert.equal(parent.getNextBlock(), newChild1);
+            chai.assert.isTrue(newChild2.nextConnection.isConnected());
+            chai.assert.equal(newChild2.getNextBlock(), oldChild);
+            this.assertBlockCount(4);
           });
-        });
 
-        suite('Add - Connect & Disconnect - Remove', function() {
-          // These are defined separately in each suite.
-          function createRowBlock(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="row_block"/>'
-            ), workspace);
-            return block;
-          }
-
-          function createStatementBlock(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="statement_block"/>'
-            ), workspace);
-            return block;
-          }
-
-          function createStackBlock(workspace) {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-                '<block type="stack_block"/>'
-            ), workspace);
-            return block;
-          }
-
-          test('Value', function() {
-            var parent = createRowBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="row_block"/>'
+          test('Bad check at end', function () {
+            const parent = this.workspace.newBlock('stack_block');
+            const oldChild = this.workspace.newBlock('stack_block');
+            const newChild = this.workspace.newBlock('stack_block_1to2');
+            parent.nextConnection.connect(oldChild.previousConnection);
+            const spy = sinon.spy(
+              oldChild.previousConnection,
+              'onFailedConnect',
             );
-            parent.getInput('INPUT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'INPUT', true);
-            var child = createRowBlock(this.workspace);
-            parent.getInput('INPUT').connection.connect(child.outputConnection);
-            assertInputHasBlock(parent, 'INPUT', false);
-            parent.getInput('INPUT').connection.disconnect();
-            assertInputHasBlock(parent, 'INPUT', true);
-            parent.getInput('INPUT').connection.setShadowDom(null);
-            assertInputNotHasBlock(parent, 'INPUT');
-          });
-
-          test('Multiple Value', function() {
-            var parent = createRowBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="row_block">' +
-                '  <value name="INPUT">' +
-                '    <shadow type="row_block"/>' +
-                '  </value>' +
-                '</shadow>'
+
+            parent.nextConnection.connect(newChild.previousConnection);
+
+            chai.assert.isTrue(parent.nextConnection.isConnected());
+            chai.assert.equal(parent.getNextBlock(), newChild);
+            chai.assert.isFalse(newChild.nextConnection.isConnected());
+            chai.assert.isTrue(spy.calledOnce);
+            this.assertBlockCount(3);
+          });
+
+          test('No end connection', function () {
+            const parent = this.workspace.newBlock('stack_block');
+            const oldChild = this.workspace.newBlock('stack_block');
+            const newChild = this.workspace.newBlock('stack_block_noend');
+            parent.nextConnection.connect(oldChild.previousConnection);
+            const spy = sinon.spy(
+              oldChild.previousConnection,
+              'onFailedConnect',
             );
-            parent.getInput('INPUT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'INPUT', true);
-            assertInputHasBlock(
-                parent.getInputTargetBlock('INPUT'), 'INPUT', true);
-            var child = createRowBlock(this.workspace);
-            parent.getInput('INPUT').connection.connect(child.outputConnection);
-            assertInputHasBlock(parent, 'INPUT', false);
-            parent.getInput('INPUT').connection.disconnect();
-            assertInputHasBlock(parent, 'INPUT', true);
-            assertInputHasBlock(
-                parent.getInputTargetBlock('INPUT'), 'INPUT', true);
-            parent.getInput('INPUT').connection.setShadowDom(null);
-            assertInputNotHasBlock(parent, 'INPUT');
-          });
-
-          test('Statement', function() {
-            var parent = createStatementBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="statement_block"/>'
+
+            parent.nextConnection.connect(newChild.previousConnection);
+
+            chai.assert.isTrue(parent.nextConnection.isConnected());
+            chai.assert.equal(parent.getNextBlock(), newChild);
+            chai.assert.isTrue(spy.calledOnce);
+            this.assertBlockCount(3);
+          });
+        });
+
+        suite('Shadows', function () {
+          test('Simple', function () {
+            const parent = this.workspace.newBlock('stack_block');
+            const oldChild = this.workspace.newBlock('stack_block');
+            const newChild = this.workspace.newBlock('stack_block');
+            parent.nextConnection.connect(oldChild.previousConnection);
+            const xml = Blockly.utils.xml.textToDom(
+              '<shadow type="stack_block"/>',
             );
-            parent.getInput('STATEMENT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'STATEMENT', true);
-            var child = createStatementBlock(this.workspace);
-            parent.getInput('STATEMENT').connection
-                .connect(child.previousConnection);
-            assertInputHasBlock(parent, 'STATEMENT', false);
-            parent.getInput('STATEMENT').connection.disconnect();
-            assertInputHasBlock(parent, 'STATEMENT', true);
-            parent.getInput('STATEMENT').connection.setShadowDom(null);
-            assertInputNotHasBlock(parent, 'STATEMENT');
-          });
-
-          test('Multiple Statement', function() {
-            var parent = createStatementBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="statement_block">' +
-                '  <statement name="STATEMENT">' +
-                '    <shadow type="statement_block"/>' +
-                '  </statement>' +
-                '</shadow>'
+            newChild.nextConnection.setShadowDom(xml);
+
+            parent.nextConnection.connect(newChild.previousConnection);
+
+            chai.assert.isTrue(parent.nextConnection.isConnected());
+            chai.assert.equal(parent.getNextBlock(), newChild);
+            chai.assert.isTrue(newChild.nextConnection.isConnected());
+            chai.assert.equal(newChild.getNextBlock(), oldChild);
+            this.assertBlockCount(3);
+          });
+
+          test('Bad check in between', function () {
+            const parent = this.workspace.newBlock('stack_block');
+            const oldChild = this.workspace.newBlock('stack_block');
+            const newChild1 = this.workspace.newBlock('stack_block_1to2');
+            const newChild2 = this.workspace.newBlock('stack_block_2to1');
+            parent.nextConnection.connect(oldChild.previousConnection);
+            newChild1.nextConnection.connect(newChild2.previousConnection);
+            const xml = Blockly.utils.xml.textToDom(
+              '<shadow type="stack_block"/>',
             );
-            parent.getInput('STATEMENT').connection.setShadowDom(xml);
-            assertInputHasBlock(parent, 'STATEMENT', true);
-            assertInputHasBlock(
-                parent.getInputTargetBlock('STATEMENT'), 'STATEMENT', true);
-            var child = createStatementBlock(this.workspace);
-            parent.getInput('STATEMENT').connection
-                .connect(child.previousConnection);
-            assertInputHasBlock(parent, 'STATEMENT', false);
-            parent.getInput('STATEMENT').connection.disconnect();
-            assertInputHasBlock(parent, 'STATEMENT', true);
-            assertInputHasBlock(
-                parent.getInputTargetBlock('STATEMENT'), 'STATEMENT', true);
-            parent.getInput('STATEMENT').connection.setShadowDom(null);
-            assertInputNotHasBlock(parent, 'STATEMENT');
-          });
-
-          test('Next', function() {
-            var parent = createStackBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="stack_block"/>'
+            newChild2.nextConnection.setShadowDom(xml);
+
+            parent.nextConnection.connect(newChild1.previousConnection);
+
+            chai.assert.isTrue(parent.nextConnection.isConnected());
+            chai.assert.equal(parent.getNextBlock(), newChild1);
+            chai.assert.isTrue(newChild2.nextConnection.isConnected());
+            chai.assert.equal(newChild2.getNextBlock(), oldChild);
+            this.assertBlockCount(4);
+          });
+
+          test('Bad check at end', function () {
+            const parent = this.workspace.newBlock('stack_block');
+            const oldChild = this.workspace.newBlock('stack_block');
+            const newChild = this.workspace.newBlock('stack_block_1to2');
+            parent.nextConnection.connect(oldChild.previousConnection);
+            const xml = Blockly.utils.xml.textToDom(
+              '<shadow type="stack_block_2to1"/>',
             );
-            parent.nextConnection.setShadowDom(xml);
-            assertNextHasBlock(parent, true);
-            var child = createStatementBlock(this.workspace);
-            parent.nextConnection.connect(child.previousConnection);
-            assertNextHasBlock(parent, false);
-            parent.nextConnection.disconnect();
-            assertNextHasBlock(parent, true);
-            parent.nextConnection.setShadowDom(null);
-            assertNextNotHasBlock(parent);
-          });
-
-          test('Multiple Next', function() {
-            var parent = createStackBlock(this.workspace);
-            var xml = Blockly.Xml.textToDom(
-                '<shadow type="stack_block">' +
-                '  <next>' +
-                '    <shadow type="stack_block"/>' +
-                '  </next>' +
-                '</shadow>'
+            newChild.nextConnection.setShadowDom(xml);
+            const spy = sinon.spy(
+              oldChild.previousConnection,
+              'onFailedConnect',
             );
-            parent.nextConnection.setShadowDom(xml);
-            assertNextHasBlock(parent, true);
-            assertNextHasBlock(parent.getNextBlock(), true);
-            var child = createStatementBlock(this.workspace);
-            parent.nextConnection.connect(child.previousConnection);
-            assertNextHasBlock(parent, false);
-            parent.nextConnection.disconnect();
-            assertNextHasBlock(parent, true);
-            assertNextHasBlock(parent.getNextBlock(), true);
-            parent.nextConnection.setShadowDom(null);
-            assertNextNotHasBlock(parent);
+
+            parent.nextConnection.connect(newChild.previousConnection);
+
+            chai.assert.isTrue(parent.nextConnection.isConnected());
+            chai.assert.equal(parent.getNextBlock(), newChild);
+            chai.assert.isTrue(newChild.nextConnection.isConnected());
+            chai.assert.isTrue(newChild.getNextBlock().isShadow());
+            chai.assert.isTrue(spy.calledOnce);
+            this.assertBlockCount(4);
           });
         });
       });
diff --git a/tests/mocha/contextmenu_items_test.js b/tests/mocha/contextmenu_items_test.js
index 387e7083be3..4596513c68c 100644
--- a/tests/mocha/contextmenu_items_test.js
+++ b/tests/mocha/contextmenu_items_test.js
@@ -4,166 +4,210 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Context Menu Items', function() {
-  setup(function() {
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Context Menu Items', function () {
+  setup(function () {
     sharedTestSetup.call(this);
 
     // Creates a WorkspaceSVG
-    var toolbox = document.getElementById('toolbox-categories');
+    const toolbox = document.getElementById('toolbox-categories');
     this.workspace = Blockly.inject('blocklyDiv', {toolbox: toolbox});
 
-    // Declare a new registry to ensure default options are called.
-    new Blockly.ContextMenuRegistry();
     this.registry = Blockly.ContextMenuRegistry.registry;
+    this.registry.reset();
+    Blockly.ContextMenuItems.registerDefaultOptions();
   });
-  
-  teardown(function() {
+
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
-  
-  suite('Workspace Items', function() {
-    setup(function() {
+
+  suite('Workspace Items', function () {
+    setup(function () {
       this.scope = {workspace: this.workspace};
     });
 
-    suite('undo', function() {
-      setup(function() {
+    suite('undo', function () {
+      setup(function () {
         this.undoOption = this.registry.getItem('undoWorkspace');
       });
 
-      test('Disabled when nothing to undo', function() {
-        var precondition = this.undoOption.preconditionFn(this.scope);
-        chai.assert.equal(precondition, 'disabled',
-            'Should be disabled when there is nothing to undo');
+      test('Disabled when nothing to undo', function () {
+        const precondition = this.undoOption.preconditionFn(this.scope);
+        chai.assert.equal(
+          precondition,
+          'disabled',
+          'Should be disabled when there is nothing to undo',
+        );
       });
 
-      test('Enabled when something to undo', function() {
+      test('Enabled when something to undo', function () {
         // Create a new block, which should be undoable.
         this.workspace.newBlock('text');
-        var precondition = this.undoOption.preconditionFn(this.scope);
-        chai.assert.equal(precondition, 'enabled',
-            'Should be enabled when there are actions to undo');
+        const precondition = this.undoOption.preconditionFn(this.scope);
+        chai.assert.equal(
+          precondition,
+          'enabled',
+          'Should be enabled when there are actions to undo',
+        );
       });
 
-      test('Undoes adding a new block', function() {
+      test('Undoes adding a new block', function () {
         this.workspace.newBlock('text');
         chai.assert.equal(this.workspace.getTopBlocks(false).length, 1);
         this.undoOption.callback(this.scope);
-        chai.assert.equal(this.workspace.getTopBlocks(false).length, 0,
-            'Should be no blocks after undo');
+        chai.assert.equal(
+          this.workspace.getTopBlocks(false).length,
+          0,
+          'Should be no blocks after undo',
+        );
       });
 
-      test('Has correct label', function() {
+      test('Has correct label', function () {
         chai.assert.equal(this.undoOption.displayText(), 'Undo');
       });
     });
 
-    suite('Redo', function() {
-      setup(function() {
+    suite('Redo', function () {
+      setup(function () {
         this.redoOption = this.registry.getItem('redoWorkspace');
       });
 
-      test('Disabled when nothing to redo', function() {
+      test('Disabled when nothing to redo', function () {
         // Create a new block. There should be something to undo, but not redo.
         this.workspace.newBlock('text');
-        var precondition = this.redoOption.preconditionFn(this.scope);
-        chai.assert.equal(precondition, 'disabled',
-            'Should be disabled when there is nothing to redo');
+        const precondition = this.redoOption.preconditionFn(this.scope);
+        chai.assert.equal(
+          precondition,
+          'disabled',
+          'Should be disabled when there is nothing to redo',
+        );
       });
 
-      test('Enabled when something to redo', function() {
+      test('Enabled when something to redo', function () {
         // Create a new block, then undo it, which means there is something to redo.
         this.workspace.newBlock('text');
         this.workspace.undo(false);
-        var precondition = this.redoOption.preconditionFn(this.scope);
-        chai.assert.equal(precondition, 'enabled',
-            'Should be enabled when there are actions to redo');
+        const precondition = this.redoOption.preconditionFn(this.scope);
+        chai.assert.equal(
+          precondition,
+          'enabled',
+          'Should be enabled when there are actions to redo',
+        );
       });
 
-      test('Redoes adding new block', function() {
+      test('Redoes adding new block', function () {
         // Add a new block, then undo it, then redo it.
         this.workspace.newBlock('text');
         this.workspace.undo(false);
         chai.assert.equal(this.workspace.getTopBlocks(false).length, 0);
         this.redoOption.callback(this.scope);
-        chai.assert.equal(this.workspace.getTopBlocks(false).length, 1,
-            'Should be 1 block after redo');
+        chai.assert.equal(
+          this.workspace.getTopBlocks(false).length,
+          1,
+          'Should be 1 block after redo',
+        );
       });
 
-      test('Has correct label', function() {
+      test('Has correct label', function () {
         chai.assert.equal(this.redoOption.displayText(), 'Redo');
       });
     });
 
-    suite('Cleanup', function() {
-      setup(function() {
+    suite('Cleanup', function () {
+      setup(function () {
         this.cleanupOption = this.registry.getItem('cleanWorkspace');
         this.cleanupStub = sinon.stub(this.workspace, 'cleanUp');
       });
 
-      test('Enabled when multiple blocks', function() {
+      test('Enabled when multiple blocks', function () {
         this.workspace.newBlock('text');
         this.workspace.newBlock('text');
-        chai.assert.equal(this.cleanupOption.preconditionFn(this.scope), 'enabled',
-            'Should be enabled if there are multiple blocks');
+        chai.assert.equal(
+          this.cleanupOption.preconditionFn(this.scope),
+          'enabled',
+          'Should be enabled if there are multiple blocks',
+        );
       });
 
-      test('Disabled when no blocks', function() {
-        chai.assert.equal(this.cleanupOption.preconditionFn(this.scope), 'disabled',
-            'Should be disabled if there are no blocks');
+      test('Disabled when no blocks', function () {
+        chai.assert.equal(
+          this.cleanupOption.preconditionFn(this.scope),
+          'disabled',
+          'Should be disabled if there are no blocks',
+        );
       });
 
-      test('Hidden when not movable', function() {
+      test('Hidden when not movable', function () {
         sinon.stub(this.workspace, 'isMovable').returns(false);
-        chai.assert.equal(this.cleanupOption.preconditionFn(this.scope), 'hidden',
-            'Should be hidden if the workspace is not movable');
+        chai.assert.equal(
+          this.cleanupOption.preconditionFn(this.scope),
+          'hidden',
+          'Should be hidden if the workspace is not movable',
+        );
       });
 
-      test('Calls workspace cleanup', function() {
+      test('Calls workspace cleanup', function () {
         this.cleanupOption.callback(this.scope);
         sinon.assert.calledOnce(this.cleanupStub);
       });
 
-      test('Has correct label', function() {
+      test('Has correct label', function () {
         chai.assert.equal(this.cleanupOption.displayText(), 'Clean up Blocks');
       });
     });
 
-    suite('Collapse', function() {
-      setup(function() {
+    suite('Collapse', function () {
+      setup(function () {
         this.collapseOption = this.registry.getItem('collapseWorkspace');
       });
 
-      test('Enabled when uncollapsed blocks', function() {
+      test('Enabled when uncollapsed blocks', function () {
         this.workspace.newBlock('text');
-        var block2 = this.workspace.newBlock('text');
+        const block2 = this.workspace.newBlock('text');
         block2.setCollapsed(true);
-        chai.assert.equal(this.collapseOption.preconditionFn(this.scope), 'enabled',
-            'Should be enabled when any blocks are expanded');
+        chai.assert.equal(
+          this.collapseOption.preconditionFn(this.scope),
+          'enabled',
+          'Should be enabled when any blocks are expanded',
+        );
       });
 
-      test('Disabled when all blocks collapsed', function() {
+      test('Disabled when all blocks collapsed', function () {
         this.workspace.newBlock('text').setCollapsed(true);
-        chai.assert.equal(this.collapseOption.preconditionFn(this.scope), 'disabled',
-            'Should be disabled when no blocks are expanded');
+        chai.assert.equal(
+          this.collapseOption.preconditionFn(this.scope),
+          'disabled',
+          'Should be disabled when no blocks are expanded',
+        );
       });
 
-      test('Hidden when no collapse option', function() {
-        var workspaceWithOptions = new Blockly.Workspace(new Blockly.Options({collapse: false}));
+      test('Hidden when no collapse option', function () {
+        const workspaceWithOptions = new Blockly.Workspace(
+          new Blockly.Options({collapse: false}),
+        );
         this.scope.workspace = workspaceWithOptions;
 
         try {
-          chai.assert.equal(this.collapseOption.preconditionFn(this.scope), 'hidden',
-              'Should be hidden if collapse is disabled in options');
+          chai.assert.equal(
+            this.collapseOption.preconditionFn(this.scope),
+            'hidden',
+            'Should be hidden if collapse is disabled in options',
+          );
         } finally {
           workspaceTeardown.call(this, workspaceWithOptions);
         }
       });
 
-      test('Collapses all blocks', function() {
+      test('Collapses all blocks', function () {
         // All blocks should be collapsed, even if some already were.
-        var block1 = this.workspace.newBlock('text');
-        var block2 = this.workspace.newBlock('text');
+        const block1 = this.workspace.newBlock('text');
+        const block2 = this.workspace.newBlock('text');
         // Need to render block to properly collapse it.
         block1.initSvg();
         block1.render();
@@ -172,53 +216,68 @@ suite('Context Menu Items', function() {
         this.collapseOption.callback(this.scope);
         this.clock.runAll();
 
-        chai.assert.isTrue(block1.isCollapsed(),
-            'Previously collapsed block should still be collapsed');
-        chai.assert.isTrue(block2.isCollapsed(),
-            'Previously expanded block should now be collapsed');
+        chai.assert.isTrue(
+          block1.isCollapsed(),
+          'Previously collapsed block should still be collapsed',
+        );
+        chai.assert.isTrue(
+          block2.isCollapsed(),
+          'Previously expanded block should now be collapsed',
+        );
       });
 
-      test('Has correct label', function() {
+      test('Has correct label', function () {
         chai.assert.equal(this.collapseOption.displayText(), 'Collapse Blocks');
       });
     });
 
-    suite('Expand', function() {
-      setup(function() {
+    suite('Expand', function () {
+      setup(function () {
         this.expandOption = this.registry.getItem('expandWorkspace');
       });
 
-      test('Enabled when collapsed blocks', function() {
+      test('Enabled when collapsed blocks', function () {
         this.workspace.newBlock('text');
-        var block2 = this.workspace.newBlock('text');
+        const block2 = this.workspace.newBlock('text');
         block2.setCollapsed(true);
 
-        chai.assert.equal(this.expandOption.preconditionFn(this.scope), 'enabled',
-            'Should be enabled when any blocks are collapsed');
+        chai.assert.equal(
+          this.expandOption.preconditionFn(this.scope),
+          'enabled',
+          'Should be enabled when any blocks are collapsed',
+        );
       });
 
-      test('Disabled when no collapsed blocks', function() {
+      test('Disabled when no collapsed blocks', function () {
         this.workspace.newBlock('text');
-        chai.assert.equal(this.expandOption.preconditionFn(this.scope), 'disabled',
-            'Should be disabled when no blocks are collapsed');
+        chai.assert.equal(
+          this.expandOption.preconditionFn(this.scope),
+          'disabled',
+          'Should be disabled when no blocks are collapsed',
+        );
       });
 
-      test('Hidden when no collapse option', function() {
-        var workspaceWithOptions = new Blockly.Workspace(new Blockly.Options({collapse: false}));
+      test('Hidden when no collapse option', function () {
+        const workspaceWithOptions = new Blockly.Workspace(
+          new Blockly.Options({collapse: false}),
+        );
         this.scope.workspace = workspaceWithOptions;
 
         try {
-          chai.assert.equal(this.expandOption.preconditionFn(this.scope), 'hidden',
-              'Should be hidden if collapse is disabled in options');
+          chai.assert.equal(
+            this.expandOption.preconditionFn(this.scope),
+            'hidden',
+            'Should be hidden if collapse is disabled in options',
+          );
         } finally {
           workspaceTeardown.call(this, workspaceWithOptions);
         }
       });
 
-      test('Expands all blocks', function() {
+      test('Expands all blocks', function () {
         // All blocks should be expanded, even if some already were.
-        var block1 = this.workspace.newBlock('text');
-        var block2 = this.workspace.newBlock('text');
+        const block1 = this.workspace.newBlock('text');
+        const block2 = this.workspace.newBlock('text');
         // Need to render block to properly collapse it.
         block2.initSvg();
         block2.render();
@@ -227,34 +286,46 @@ suite('Context Menu Items', function() {
         this.expandOption.callback(this.scope);
         this.clock.runAll();
 
-        chai.assert.isFalse(block1.isCollapsed(),
-            'Previously expanded block should still be expanded');
-        chai.assert.isFalse(block2.isCollapsed(),
-            'Previously collapsed block should now be expanded');
+        chai.assert.isFalse(
+          block1.isCollapsed(),
+          'Previously expanded block should still be expanded',
+        );
+        chai.assert.isFalse(
+          block2.isCollapsed(),
+          'Previously collapsed block should now be expanded',
+        );
       });
 
-      test('Has correct label', function() {
+      test('Has correct label', function () {
         chai.assert.equal(this.expandOption.displayText(), 'Expand Blocks');
       });
     });
 
-    suite('Delete', function() {
-      setup(function() {
+    suite('Delete', function () {
+      setup(function () {
         this.deleteOption = this.registry.getItem('workspaceDelete');
       });
 
-      test('Enabled when blocks to delete', function() {
+      test('Enabled when blocks to delete', function () {
         this.workspace.newBlock('text');
-        chai.assert.equal(this.deleteOption.preconditionFn(this.scope), 'enabled');
+        chai.assert.equal(
+          this.deleteOption.preconditionFn(this.scope),
+          'enabled',
+        );
       });
 
-      test('Disabled when no blocks to delete', function() {
-        chai.assert.equal(this.deleteOption.preconditionFn(this.scope), 'disabled');
+      test('Disabled when no blocks to delete', function () {
+        chai.assert.equal(
+          this.deleteOption.preconditionFn(this.scope),
+          'disabled',
+        );
       });
 
-      test('Deletes all blocks after confirming', function() {
+      test('Deletes all blocks after confirming', function () {
         // Mocks the confirmation dialog and calls the callback with 'true' simulating ok.
-        var confirmStub = sinon.stub(Blockly, 'confirm').callsArgWith(1, true);
+        const confirmStub = sinon
+          .stub(Blockly.dialog.TEST_ONLY, 'confirmInternal')
+          .callsArgWith(1, true);
 
         this.workspace.newBlock('text');
         this.workspace.newBlock('text');
@@ -264,9 +335,11 @@ suite('Context Menu Items', function() {
         chai.assert.equal(this.workspace.getTopBlocks(false).length, 0);
       });
 
-      test('Does not delete blocks if not confirmed', function() {
+      test('Does not delete blocks if not confirmed', function () {
         // Mocks the confirmation dialog and calls the callback with 'false' simulating cancel.
-        var confirmStub = sinon.stub(Blockly, 'confirm').callsArgWith(1, false);
+        const confirmStub = sinon
+          .stub(Blockly.dialog.TEST_ONLY, 'confirmInternal')
+          .callsArgWith(1, false);
 
         this.workspace.newBlock('text');
         this.workspace.newBlock('text');
@@ -276,8 +349,11 @@ suite('Context Menu Items', function() {
         chai.assert.equal(this.workspace.getTopBlocks(false).length, 2);
       });
 
-      test('No dialog for single block', function() {
-        var confirmStub = sinon.stub(Blockly, 'confirm');
+      test('No dialog for single block', function () {
+        const confirmStub = sinon.stub(
+          Blockly.dialog.TEST_ONLY,
+          'confirmInternal',
+        );
         this.workspace.newBlock('text');
         this.deleteOption.callback(this.scope);
         this.clock.runAll();
@@ -286,121 +362,149 @@ suite('Context Menu Items', function() {
         chai.assert.equal(this.workspace.getTopBlocks(false).length, 0);
       });
 
-      test('Has correct label for multiple blocks', function() {
+      test('Has correct label for multiple blocks', function () {
         this.workspace.newBlock('text');
         this.workspace.newBlock('text');
 
-        chai.assert.equal(this.deleteOption.displayText(this.scope), 'Delete 2 Blocks');
+        chai.assert.equal(
+          this.deleteOption.displayText(this.scope),
+          'Delete 2 Blocks',
+        );
       });
 
-      test('Has correct label for single block', function() {
+      test('Has correct label for single block', function () {
         this.workspace.newBlock('text');
-        chai.assert.equal(this.deleteOption.displayText(this.scope), 'Delete Block');
+        chai.assert.equal(
+          this.deleteOption.displayText(this.scope),
+          'Delete Block',
+        );
       });
     });
   });
 
-  suite('Block Items', function() {
-    setup(function() {
+  suite('Block Items', function () {
+    setup(function () {
       this.block = this.workspace.newBlock('text');
       this.scope = {block: this.block};
     });
 
-    suite('Duplicate', function() {
-      setup(function() {
+    suite('Duplicate', function () {
+      setup(function () {
         this.duplicateOption = this.registry.getItem('blockDuplicate');
       });
 
-      test('Enabled when block is duplicatable', function() {
+      test('Enabled when block is duplicatable', function () {
         // Block is duplicatable by default
-        chai.assert.equal(this.duplicateOption.preconditionFn(this.scope), 'enabled');
+        chai.assert.equal(
+          this.duplicateOption.preconditionFn(this.scope),
+          'enabled',
+        );
       });
 
-      test('Disabled when block is not dupicatable', function() {
+      test('Disabled when block is not dupicatable', function () {
         sinon.stub(this.block, 'isDuplicatable').returns(false);
-        chai.assert.equal(this.duplicateOption.preconditionFn(this.scope), 'disabled');
+        chai.assert.equal(
+          this.duplicateOption.preconditionFn(this.scope),
+          'disabled',
+        );
       });
 
-      test('Hidden when in flyout', function() {
+      test('Hidden when in flyout', function () {
         this.block.isInFlyout = true;
-        chai.assert.equal(this.duplicateOption.preconditionFn(this.scope), 'hidden');
+        chai.assert.equal(
+          this.duplicateOption.preconditionFn(this.scope),
+          'hidden',
+        );
       });
 
-      test('Calls duplicate', function() {
-        var stub = sinon.stub(Blockly, 'duplicate');
-
+      test('the block is duplicated', function () {
         this.duplicateOption.callback(this.scope);
-
-        sinon.assert.calledOnce(stub);
-        sinon.assert.calledWith(stub, this.block);
+        chai.assert.equal(
+          this.workspace.getTopBlocks(false).length,
+          2,
+          'Expected a second block',
+        );
       });
 
-      test('Has correct label', function() {
+      test('Has correct label', function () {
         chai.assert.equal(this.duplicateOption.displayText(), 'Duplicate');
       });
     });
 
-    suite('Comment', function() {
-      setup(function() {
+    suite('Comment', function () {
+      setup(function () {
         this.commentOption = this.registry.getItem('blockComment');
       });
 
-      test('Enabled for normal block', function() {
-        chai.assert.equal(this.commentOption.preconditionFn(this.scope), 'enabled');
-      });
-
-      test('Hidden for IE', function() {
-        var oldState = Blockly.utils.userAgent.IE;
-        try {
-          Blockly.utils.userAgent.IE = true;
-          chai.assert.equal(this.commentOption.preconditionFn(this.scope), 'hidden');
-        } finally {
-          Blockly.utils.userAgent.IE = oldState;
-        }
+      test('Enabled for normal block', function () {
+        chai.assert.equal(
+          this.commentOption.preconditionFn(this.scope),
+          'enabled',
+        );
       });
 
-      test('Hidden for collapsed block', function() {
+      test('Hidden for collapsed block', function () {
         // Must render block to collapse it properly.
         this.block.initSvg();
         this.block.render();
         this.block.setCollapsed(true);
 
-        chai.assert.equal(this.commentOption.preconditionFn(this.scope), 'hidden');
+        chai.assert.equal(
+          this.commentOption.preconditionFn(this.scope),
+          'hidden',
+        );
       });
 
-      test('Creates comment if one did not exist', function() {
-        chai.assert.isNull(this.block.getCommentIcon(), 'New block should not have a comment');
+      test('Creates comment if one did not exist', function () {
+        chai.assert.isUndefined(
+          this.block.getIcon(Blockly.icons.CommentIcon.TYPE),
+          'New block should not have a comment',
+        );
         this.commentOption.callback(this.scope);
-        chai.assert.exists(this.block.getCommentIcon());
-        chai.assert.isEmpty(this.block.getCommentText(), 'Block should have empty comment text');
+        chai.assert.exists(this.block.getIcon(Blockly.icons.CommentIcon.TYPE));
+        chai.assert.isEmpty(
+          this.block.getCommentText(),
+          'Block should have empty comment text',
+        );
       });
 
-      test('Removes comment if block had one', function() {
+      test('Removes comment if block had one', function () {
         this.block.setCommentText('Test comment');
         this.commentOption.callback(this.scope);
-        chai.assert.isNull(this.block.getCommentText(),
-            'Block should not have comment after removal');
+        chai.assert.isNull(
+          this.block.getCommentText(),
+          'Block should not have comment after removal',
+        );
       });
 
-      test('Has correct label for add comment', function() {
-        chai.assert.equal(this.commentOption.displayText(this.scope), 'Add Comment');
+      test('Has correct label for add comment', function () {
+        chai.assert.equal(
+          this.commentOption.displayText(this.scope),
+          'Add Comment',
+        );
       });
 
-      test('Has correct label for remove comment', function() {
+      test('Has correct label for remove comment', function () {
         this.block.setCommentText('Test comment');
-        chai.assert.equal(this.commentOption.displayText(this.scope), 'Remove Comment');
+        chai.assert.equal(
+          this.commentOption.displayText(this.scope),
+          'Remove Comment',
+        );
       });
     });
 
-    suite('Inline Variables', function() {
-      setup(function() {
+    suite('Inline Variables', function () {
+      setup(function () {
         this.inlineOption = this.registry.getItem('blockInline');
       });
 
-      test('Enabled when inputs to inline', function() {
+      test('Enabled when inputs to inline', function () {
         this.block.appendValueInput('test1');
         this.block.appendValueInput('test2');
-        chai.assert.equal(this.inlineOption.preconditionFn(this.scope), 'enabled');
+        chai.assert.equal(
+          this.inlineOption.preconditionFn(this.scope),
+          'enabled',
+        );
       });
     });
   });
diff --git a/tests/mocha/contextmenu_test.js b/tests/mocha/contextmenu_test.js
new file mode 100644
index 00000000000..7af9c79186d
--- /dev/null
+++ b/tests/mocha/contextmenu_test.js
@@ -0,0 +1,70 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+import {callbackFactory} from '../../build/src/core/contextmenu.js';
+import * as xmlUtils from '../../build/src/core/utils/xml.js';
+import * as Variables from '../../build/src/core/variables.js';
+
+suite('Context Menu', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+
+    // Creates a WorkspaceSVG
+    const toolbox = document.getElementById('toolbox-categories');
+    this.workspace = Blockly.inject('blocklyDiv', {toolbox: toolbox});
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Callback Factory', function () {
+    setup(function () {
+      this.forLoopBlock = this.workspace.newBlock('controls_for');
+    });
+
+    test('callback with xml state creates block', function () {
+      const xmlField = Variables.generateVariableFieldDom(
+        this.forLoopBlock.getField('VAR').getVariable(),
+      );
+      const xmlBlock = xmlUtils.createElement('block');
+      xmlBlock.setAttribute('type', 'variables_get');
+      xmlBlock.appendChild(xmlField);
+
+      const callback = callbackFactory(this.forLoopBlock, xmlBlock);
+      const getVarBlock = callback();
+
+      chai.assert.equal(getVarBlock.type, 'variables_get');
+      chai.assert.equal(getVarBlock.workspace, this.forLoopBlock.workspace);
+      chai.assert.equal(
+        getVarBlock.getField('VAR').getVariable().getId(),
+        this.forLoopBlock.getField('VAR').getVariable().getId(),
+      );
+    });
+
+    test('callback with json state creates block', function () {
+      const jsonState = {
+        type: 'variables_get',
+        fields: {VAR: this.forLoopBlock.getField('VAR').saveState(true)},
+      };
+
+      const callback = callbackFactory(this.forLoopBlock, jsonState);
+      const getVarBlock = callback();
+
+      chai.assert.equal(getVarBlock.type, 'variables_get');
+      chai.assert.equal(getVarBlock.workspace, this.forLoopBlock.workspace);
+      chai.assert.equal(
+        getVarBlock.getField('VAR').getVariable().getId(),
+        this.forLoopBlock.getField('VAR').getVariable().getId(),
+      );
+    });
+  });
+});
diff --git a/tests/mocha/cursor_test.js b/tests/mocha/cursor_test.js
index f689526f262..c7b3a76afcc 100644
--- a/tests/mocha/cursor_test.js
+++ b/tests/mocha/cursor_test.js
@@ -4,117 +4,133 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Cursor', function() {
-  setup(function() {
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {ASTNode} from '../../build/src/core/keyboard_nav/ast_node.js';
+
+suite('Cursor', function () {
+  setup(function () {
     sharedTestSetup.call(this);
-    Blockly.defineBlocksWithJsonArray([{
-      "type": "input_statement",
-      "message0": "%1 %2 %3 %4",
-      "args0": [
-        {
-          "type": "field_input",
-          "name": "NAME",
-          "text": "default"
-        },
-        {
-          "type": "field_input",
-          "name": "NAME",
-          "text": "default"
-        },
-        {
-          "type": "input_value",
-          "name": "NAME"
-        },
-        {
-          "type": "input_statement",
-          "name": "NAME"
-        }
-      ],
-      "previousStatement": null,
-      "nextStatement": null,
-      "colour": 230,
-      "tooltip": "",
-      "helpUrl": ""
-    },
-    {
-      "type": "field_input",
-      "message0": "%1",
-      "args0": [
-        {
-          "type": "field_input",
-          "name": "NAME",
-          "text": "default"
-        }
-      ],
-      "output": null,
-      "colour": 230,
-      "tooltip": "",
-      "helpUrl": ""
-    }
+    Blockly.defineBlocksWithJsonArray([
+      {
+        'type': 'input_statement',
+        'message0': '%1 %2 %3 %4',
+        'args0': [
+          {
+            'type': 'field_input',
+            'name': 'NAME',
+            'text': 'default',
+          },
+          {
+            'type': 'field_input',
+            'name': 'NAME',
+            'text': 'default',
+          },
+          {
+            'type': 'input_value',
+            'name': 'NAME',
+          },
+          {
+            'type': 'input_statement',
+            'name': 'NAME',
+          },
+        ],
+        'previousStatement': null,
+        'nextStatement': null,
+        'colour': 230,
+        'tooltip': '',
+        'helpUrl': '',
+      },
+      {
+        'type': 'field_input',
+        'message0': '%1',
+        'args0': [
+          {
+            'type': 'field_input',
+            'name': 'NAME',
+            'text': 'default',
+          },
+        ],
+        'output': null,
+        'colour': 230,
+        'tooltip': '',
+        'helpUrl': '',
+      },
     ]);
     this.workspace = Blockly.inject('blocklyDiv', {});
     this.cursor = this.workspace.getCursor();
-    var blockA = this.workspace.newBlock('input_statement');
-    var blockB = this.workspace.newBlock('input_statement');
-    var blockC = this.workspace.newBlock('input_statement');
-    var blockD = this.workspace.newBlock('input_statement');
-    var blockE = this.workspace.newBlock('field_input');
+    const blockA = this.workspace.newBlock('input_statement');
+    const blockB = this.workspace.newBlock('input_statement');
+    const blockC = this.workspace.newBlock('input_statement');
+    const blockD = this.workspace.newBlock('input_statement');
+    const blockE = this.workspace.newBlock('field_input');
 
     blockA.nextConnection.connect(blockB.previousConnection);
     blockA.inputList[0].connection.connect(blockE.outputConnection);
     blockB.inputList[1].connection.connect(blockC.previousConnection);
-    this.cursor.drawer_ = null;
+    this.cursor.drawer = null;
     this.blocks = {
       A: blockA,
       B: blockB,
       C: blockC,
       D: blockD,
-      E: blockE
+      E: blockE,
     };
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  test('Next - From a Previous skip over next connection and block', function() {
-    var prevNode = Blockly.ASTNode.createConnectionNode(this.blocks.A.previousConnection);
+  test('Next - From a Previous skip over next connection and block', function () {
+    const prevNode = ASTNode.createConnectionNode(
+      this.blocks.A.previousConnection,
+    );
     this.cursor.setCurNode(prevNode);
     this.cursor.next();
-    var curNode = this.cursor.getCurNode();
+    const curNode = this.cursor.getCurNode();
     chai.assert.equal(curNode.getLocation(), this.blocks.B.previousConnection);
   });
-  test('Next - From last block in a stack go to next connection', function() {
-    var prevNode = Blockly.ASTNode.createConnectionNode(this.blocks.B.previousConnection);
+  test('Next - From last block in a stack go to next connection', function () {
+    const prevNode = ASTNode.createConnectionNode(
+      this.blocks.B.previousConnection,
+    );
     this.cursor.setCurNode(prevNode);
     this.cursor.next();
-    var curNode = this.cursor.getCurNode();
+    const curNode = this.cursor.getCurNode();
     chai.assert.equal(curNode.getLocation(), this.blocks.B.nextConnection);
   });
 
-  test('In - From output connection', function() {
-    var fieldBlock = this.blocks.E;
-    var outputNode = Blockly.ASTNode.createConnectionNode(fieldBlock.outputConnection);
+  test('In - From output connection', function () {
+    const fieldBlock = this.blocks.E;
+    const outputNode = ASTNode.createConnectionNode(
+      fieldBlock.outputConnection,
+    );
     this.cursor.setCurNode(outputNode);
     this.cursor.in();
-    var curNode = this.cursor.getCurNode();
-    chai.assert.equal(curNode.getLocation(), fieldBlock.inputList[0].fieldRow[0]);
+    const curNode = this.cursor.getCurNode();
+    chai.assert.equal(
+      curNode.getLocation(),
+      fieldBlock.inputList[0].fieldRow[0],
+    );
   });
 
-  test('Prev - From previous connection skip over next connection', function() {
-    var prevConnection = this.blocks.B.previousConnection;
-    var prevConnectionNode = Blockly.ASTNode.createConnectionNode(prevConnection);
+  test('Prev - From previous connection skip over next connection', function () {
+    const prevConnection = this.blocks.B.previousConnection;
+    const prevConnectionNode = ASTNode.createConnectionNode(prevConnection);
     this.cursor.setCurNode(prevConnectionNode);
     this.cursor.prev();
-    var curNode = this.cursor.getCurNode();
+    const curNode = this.cursor.getCurNode();
     chai.assert.equal(curNode.getLocation(), this.blocks.A.previousConnection);
   });
 
-  test('Out - From field skip over block node', function() {
-    var field = this.blocks.E.inputList[0].fieldRow[0];
-    var fieldNode = Blockly.ASTNode.createFieldNode(field);
+  test('Out - From field skip over block node', function () {
+    const field = this.blocks.E.inputList[0].fieldRow[0];
+    const fieldNode = ASTNode.createFieldNode(field);
     this.cursor.setCurNode(fieldNode);
     this.cursor.out();
-    var curNode = this.cursor.getCurNode();
+    const curNode = this.cursor.getCurNode();
     chai.assert.equal(curNode.getLocation(), this.blocks.E.outputConnection);
   });
 });
diff --git a/tests/mocha/dropdowndiv_test.js b/tests/mocha/dropdowndiv_test.js
index c51c83deac1..22066dda4e0 100644
--- a/tests/mocha/dropdowndiv_test.js
+++ b/tests/mocha/dropdowndiv_test.js
@@ -4,67 +4,107 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('DropDownDiv', function() {
-  suite('Positioning', function() {
-    setup(function() {
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('DropDownDiv', function () {
+  suite('Positioning', function () {
+    setup(function () {
       sharedTestSetup.call(this);
-      this.boundsStub = sinon.stub(Blockly.DropDownDiv, 'getBoundsInfo_')
-          .returns({
-            left: 0,
-            right: 100,
-            top: 0,
-            bottom: 100,
-            width: 100,
-            height: 100
-          });
-      this.sizeStub = sinon.stub(Blockly.utils.style, 'getSize')
-          .returns({
-            width: 60,
-            height: 60
-          });
-      this.clientHeightStub = sinon.stub(document.documentElement, 'clientHeight')
-          .get(function() { return 1000; });
-      this.clientTopStub = sinon.stub(document.documentElement, 'clientTop')
-          .get(function() { return 0; });
+      this.boundsStub = sinon
+        .stub(Blockly.DropDownDiv.TEST_ONLY, 'getBoundsInfo')
+        .returns({
+          left: 0,
+          right: 100,
+          top: 0,
+          bottom: 100,
+          width: 100,
+          height: 100,
+        });
+      this.sizeStub = sinon
+        .stub(Blockly.utils.style.TEST_ONLY, 'getSizeInternal')
+        .returns({
+          width: 60,
+          height: 60,
+        });
+      this.clientHeightStub = sinon
+        .stub(document.documentElement, 'clientHeight')
+        .get(function () {
+          return 1000;
+        });
+      this.clientTopStub = sinon
+        .stub(document.documentElement, 'clientTop')
+        .get(function () {
+          return 0;
+        });
     });
-    teardown(function() {
+    teardown(function () {
       sharedTestTeardown.call(this);
     });
-    test('Below, in Bounds', function() {
-      var metrics = Blockly.DropDownDiv.getPositionMetrics_(50, 0, 50, -10);
+    test('Below, in Bounds', function () {
+      const metrics = Blockly.DropDownDiv.TEST_ONLY.getPositionMetrics(
+        50,
+        0,
+        50,
+        -10,
+      );
       // "Above" in value actually means below in render.
       chai.assert.isAtLeast(metrics.initialY, 0);
       chai.assert.isAbove(metrics.finalY, 0);
       chai.assert.isTrue(metrics.arrowVisible);
       chai.assert.isTrue(metrics.arrowAtTop);
     });
-    test('Above, in Bounds', function() {
-      var metrics = Blockly.DropDownDiv.getPositionMetrics_(50, 100, 50, 90);
+    test('Above, in Bounds', function () {
+      const metrics = Blockly.DropDownDiv.TEST_ONLY.getPositionMetrics(
+        50,
+        100,
+        50,
+        90,
+      );
       // "Below" in value actually means above in render.
       chai.assert.isAtMost(metrics.initialY, 100);
       chai.assert.isBelow(metrics.finalY, 100);
       chai.assert.isTrue(metrics.arrowVisible);
       chai.assert.isFalse(metrics.arrowAtTop);
     });
-    test('Below, out of Bounds', function() {
-      var metrics = Blockly.DropDownDiv.getPositionMetrics_(50, 60, 50, 50);
+    test('Below, out of Bounds', function () {
+      const metrics = Blockly.DropDownDiv.TEST_ONLY.getPositionMetrics(
+        50,
+        60,
+        50,
+        50,
+      );
       // "Above" in value actually means below in render.
       chai.assert.isAtLeast(metrics.initialY, 60);
       chai.assert.isAbove(metrics.finalY, 60);
       chai.assert.isTrue(metrics.arrowVisible);
       chai.assert.isTrue(metrics.arrowAtTop);
     });
-    test('Above, in Bounds', function() {
-      var metrics = Blockly.DropDownDiv.getPositionMetrics_(50, 100, 50, 90);
+    test('Above, in Bounds', function () {
+      const metrics = Blockly.DropDownDiv.TEST_ONLY.getPositionMetrics(
+        50,
+        100,
+        50,
+        90,
+      );
       // "Below" in value actually means above in render.
       chai.assert.isAtMost(metrics.initialY, 100);
       chai.assert.isBelow(metrics.finalY, 100);
       chai.assert.isTrue(metrics.arrowVisible);
       chai.assert.isFalse(metrics.arrowAtTop);
     });
-    test('No Solution, Render At Top', function() {
-      this.clientHeightStub.get(function() { return 100; });
-      var metrics = Blockly.DropDownDiv.getPositionMetrics_(50, 60, 50, 50);
+    test('No Solution, Render At Top', function () {
+      this.clientHeightStub.get(function () {
+        return 100;
+      });
+      const metrics = Blockly.DropDownDiv.TEST_ONLY.getPositionMetrics(
+        50,
+        60,
+        50,
+        50,
+      );
       // "Above" in value actually means below in render.
       chai.assert.equal(metrics.initialY, 0);
       chai.assert.equal(metrics.finalY, 0);
diff --git a/tests/mocha/event_block_change_test.js b/tests/mocha/event_block_change_test.js
new file mode 100644
index 00000000000..4f4728cc32c
--- /dev/null
+++ b/tests/mocha/event_block_change_test.js
@@ -0,0 +1,125 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {defineMutatorBlocks} from './test_helpers/block_definitions.js';
+
+suite('Block Change Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Undo and Redo', function () {
+    suite('Mutation', function () {
+      setup(function () {
+        defineMutatorBlocks();
+      });
+
+      teardown(function () {
+        Blockly.Extensions.unregister('xml_mutator');
+        Blockly.Extensions.unregister('jso_mutator');
+      });
+
+      suite('XML', function () {
+        test('Undo', function () {
+          const block = this.workspace.newBlock('xml_block', 'block_id');
+          block.domToMutation(
+            Blockly.utils.xml.textToDom('<mutation hasInput="true"/>'),
+          );
+          const blockChange = new Blockly.Events.BlockChange(
+            block,
+            'mutation',
+            null,
+            '',
+            '<mutation hasInput="true"/>',
+          );
+          blockChange.run(false);
+          chai.assert.isFalse(block.hasInput);
+        });
+
+        test('Redo', function () {
+          const block = this.workspace.newBlock('xml_block', 'block_id');
+          const blockChange = new Blockly.Events.BlockChange(
+            block,
+            'mutation',
+            null,
+            '',
+            '<mutation hasInput="true"/>',
+          );
+          blockChange.run(true);
+          chai.assert.isTrue(block.hasInput);
+        });
+      });
+
+      suite('JSO', function () {
+        test('Undo', function () {
+          const block = this.workspace.newBlock('jso_block', 'block_id');
+          block.loadExtraState({hasInput: true});
+          const blockChange = new Blockly.Events.BlockChange(
+            block,
+            'mutation',
+            null,
+            '',
+            '{"hasInput":true}',
+          );
+          blockChange.run(false);
+          chai.assert.isFalse(block.hasInput);
+        });
+
+        test('Redo', function () {
+          const block = this.workspace.newBlock('jso_block', 'block_id');
+          const blockChange = new Blockly.Events.BlockChange(
+            block,
+            'mutation',
+            null,
+            '',
+            '{"hasInput":true}',
+          );
+          blockChange.run(true);
+          chai.assert.isTrue(block.hasInput);
+        });
+      });
+    });
+  });
+
+  suite('Serialization', function () {
+    setup(function () {
+      defineMutatorBlocks();
+    });
+
+    teardown(function () {
+      Blockly.Extensions.unregister('xml_mutator');
+      Blockly.Extensions.unregister('jso_mutator');
+    });
+
+    test('events round-trip through JSON', function () {
+      const block = this.workspace.newBlock('xml_block', 'block_id');
+      block.domToMutation(
+        Blockly.utils.xml.textToDom('<mutation hasInput="true"/>'),
+      );
+      const origEvent = new Blockly.Events.BlockChange(
+        block,
+        'mutation',
+        null,
+        '',
+        '<mutation hasInput="true"/>',
+      );
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_block_create_test.js b/tests/mocha/event_block_create_test.js
new file mode 100644
index 00000000000..f3aed672f49
--- /dev/null
+++ b/tests/mocha/event_block_create_test.js
@@ -0,0 +1,108 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {assertEventFired} from './test_helpers/events.js';
+import * as eventUtils from '../../build/src/core/events/utils.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {defineRowBlock} from './test_helpers/block_definitions.js';
+
+suite('Block Create Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    defineRowBlock();
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  test('Create shadow on disconnect', function () {
+    Blockly.Events.disable();
+    const block = Blockly.serialization.blocks.append(
+      {
+        'type': 'row_block',
+        'inputs': {
+          'INPUT': {
+            'shadow': {
+              'type': 'row_block',
+              'id': 'shadowId',
+            },
+            'block': {
+              'type': 'row_block',
+            },
+          },
+        },
+      },
+      this.workspace,
+    );
+    Blockly.Events.enable();
+    block.getInput('INPUT').connection.disconnect();
+    assertEventFired(
+      this.eventsFireStub,
+      Blockly.Events.BlockCreate,
+      {'recordUndo': false, 'type': eventUtils.BLOCK_CREATE},
+      this.workspace.id,
+      'shadowId',
+    );
+    const calls = this.eventsFireStub.getCalls();
+    const event = calls[calls.length - 1].args[0];
+    chai.assert.equal(event.xml.tagName, 'shadow');
+  });
+
+  test('Does not create extra shadow blocks', function () {
+    const shadowId = 'shadow_block';
+    const blockJson = {
+      'type': 'math_arithmetic',
+      'id': 'parent_with_shadow',
+      'fields': {'OP': 'ADD'},
+      'inputs': {
+        'A': {
+          'shadow': {
+            'type': 'math_number',
+            'id': shadowId,
+            'fields': {'NUM': 1},
+          },
+        },
+      },
+    };
+
+    // If there is a shadow block on the workspace and then we get
+    // a block create event with the same ID as the shadow block,
+    // this represents a block that had been covering a shadow block
+    // being removed.
+    Blockly.serialization.blocks.append(blockJson, this.workspace);
+    const shadowBlock = this.workspace.getBlockById(shadowId);
+    const blocksBefore = this.workspace.getAllBlocks();
+
+    const event = new Blockly.Events.BlockCreate(shadowBlock);
+    event.run(true);
+
+    const blocksAfter = this.workspace.getAllBlocks();
+    chai.assert.deepEqual(
+      blocksAfter,
+      blocksBefore,
+      'No new blocks should be created from an event that only creates shadow blocks',
+    );
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const block = this.workspace.newBlock('row_block', 'block_id');
+      const origEvent = new Blockly.Events.BlockCreate(block);
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+      delete origEvent.xml; // xml fails deep equals for some reason.
+      delete newEvent.xml; // xml fails deep equals for some reason.
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_block_delete_test.js b/tests/mocha/event_block_delete_test.js
new file mode 100644
index 00000000000..1aa70c4d1ab
--- /dev/null
+++ b/tests/mocha/event_block_delete_test.js
@@ -0,0 +1,54 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {defineRowBlock} from './test_helpers/block_definitions.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Block Delete Event', function () {
+  setup(function () {
+    this.clock = sharedTestSetup.call(this, {fireEventsNow: false}).clock;
+    defineRowBlock();
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Receiving', function () {
+    test('blocks do not receive their own delete events', function () {
+      Blockly.Blocks['test'] = {
+        onchange: function (e) {},
+      };
+      // Need to stub the definition, because the property on the definition is
+      // what gets registered as an event listener.
+      const spy = sinon.spy(Blockly.Blocks['test'], 'onchange');
+      const testBlock = this.workspace.newBlock('test');
+
+      testBlock.dispose();
+      this.clock.runAll();
+
+      chai.assert.isFalse(spy.called);
+    });
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const block = this.workspace.newBlock('row_block', 'block_id');
+      const origEvent = new Blockly.Events.BlockDelete(block);
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+      delete origEvent.oldXml; // xml fails deep equals for some reason.
+      delete newEvent.oldXml; // xml fails deep equals for some reason.
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_block_drag_test.js b/tests/mocha/event_block_drag_test.js
new file mode 100644
index 00000000000..8a5399c8bde
--- /dev/null
+++ b/tests/mocha/event_block_drag_test.js
@@ -0,0 +1,35 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {defineRowBlock} from './test_helpers/block_definitions.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Block Drag Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    defineRowBlock();
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const block = this.workspace.newBlock('row_block', 'block_id');
+      const origEvent = new Blockly.Events.BlockDrag(block, true, []);
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_block_field_intermediate_change_test.js b/tests/mocha/event_block_field_intermediate_change_test.js
new file mode 100644
index 00000000000..4d441e5d6a4
--- /dev/null
+++ b/tests/mocha/event_block_field_intermediate_change_test.js
@@ -0,0 +1,72 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Field Intermediate Change Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const block = this.workspace.newBlock('text', 'block_id');
+      const origEvent = new Blockly.Events.BlockFieldIntermediateChange(
+        block,
+        'TEXT',
+        'old value',
+        'new value',
+      );
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+
+  suite('Change Value', function () {
+    test("running forward changes the block's value to new value", function () {
+      const block = this.workspace.newBlock('text', 'block_id');
+      const origEvent = new Blockly.Events.BlockFieldIntermediateChange(
+        block,
+        'TEXT',
+        'old value',
+        'new value',
+      );
+      origEvent.run(true);
+
+      chai.assert.deepEqual(
+        block.getField(origEvent.name).getValue(),
+        'new value',
+      );
+    });
+
+    test("running backward changes the block's value to old value", function () {
+      const block = this.workspace.newBlock('text', 'block_id');
+      const origEvent = new Blockly.Events.BlockFieldIntermediateChange(
+        block,
+        'TEXT',
+        'old value',
+        'new value',
+      );
+      origEvent.run(false);
+
+      chai.assert.deepEqual(
+        block.getField(origEvent.name).getValue(),
+        'old value',
+      );
+    });
+  });
+});
diff --git a/tests/mocha/event_block_move_test.js b/tests/mocha/event_block_move_test.js
new file mode 100644
index 00000000000..2b4102de6a0
--- /dev/null
+++ b/tests/mocha/event_block_move_test.js
@@ -0,0 +1,38 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {defineRowBlock} from './test_helpers/block_definitions.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Block Move Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    defineRowBlock();
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const block1 = this.workspace.newBlock('row_block', 'block_id');
+      const block2 = this.workspace.newBlock('row_block', 'block_id');
+      const origEvent = new Blockly.Events.BlockMove(block1);
+      block2.getInput('INPUT').connection.connect(block2.outputConnection);
+      origEvent.recordNew();
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_bubble_open_test.js b/tests/mocha/event_bubble_open_test.js
new file mode 100644
index 00000000000..54e48aa9cff
--- /dev/null
+++ b/tests/mocha/event_bubble_open_test.js
@@ -0,0 +1,41 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {defineMutatorBlocks} from './test_helpers/block_definitions.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Bubble Open Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    defineMutatorBlocks();
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+    Blockly.Extensions.unregister('xml_mutator');
+    Blockly.Extensions.unregister('jso_mutator');
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const block = this.workspace.newBlock('jso_block', 'block_id');
+      const origEvent = new Blockly.Events.BubbleOpen(
+        block,
+        true,
+        Blockly.Events.BubbleType.MUTATOR,
+      );
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_click_test.js b/tests/mocha/event_click_test.js
new file mode 100644
index 00000000000..ec998b62de4
--- /dev/null
+++ b/tests/mocha/event_click_test.js
@@ -0,0 +1,39 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {defineRowBlock} from './test_helpers/block_definitions.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Click Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    defineRowBlock();
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const block = this.workspace.newBlock('row_block', 'block_id');
+      const origEvent = new Blockly.Events.Click(
+        block,
+        undefined,
+        Blockly.Events.ClickTarget.BLOCK,
+      );
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_comment_change_test.js b/tests/mocha/event_comment_change_test.js
new file mode 100644
index 00000000000..c2355f87462
--- /dev/null
+++ b/tests/mocha/event_comment_change_test.js
@@ -0,0 +1,38 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Comment Change Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+      comment.setText('old text');
+      const origEvent = new Blockly.Events.CommentChange(
+        comment,
+        'old text',
+        'new text',
+      );
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_comment_collapse_test.js b/tests/mocha/event_comment_collapse_test.js
new file mode 100644
index 00000000000..86b36b07588
--- /dev/null
+++ b/tests/mocha/event_comment_collapse_test.js
@@ -0,0 +1,33 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Comment Collapse Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+      const origEvent = new Blockly.Events.CommentCollapse(comment, true);
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_comment_create_test.js b/tests/mocha/event_comment_create_test.js
new file mode 100644
index 00000000000..57c246f1f1e
--- /dev/null
+++ b/tests/mocha/event_comment_create_test.js
@@ -0,0 +1,37 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Comment Create Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+      comment.setText('test text');
+      comment.moveTo(new Blockly.utils.Coordinate(10, 10));
+      const origEvent = new Blockly.Events.CommentCreate(comment);
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+      delete origEvent.xml; // xml fails deep equals for some reason.
+      delete newEvent.xml; // xml fails deep equals for some reason.
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_comment_delete_test.js b/tests/mocha/event_comment_delete_test.js
new file mode 100644
index 00000000000..e0a8a98db33
--- /dev/null
+++ b/tests/mocha/event_comment_delete_test.js
@@ -0,0 +1,37 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Comment Delete Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+      comment.setText('test text');
+      comment.moveTo(new Blockly.utils.Coordinate(10, 10));
+      const origEvent = new Blockly.Events.CommentDelete(comment);
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+      delete origEvent.xml; // xml fails deep equals for some reason.
+      delete newEvent.xml; // xml fails deep equals for some reason.
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_comment_move_test.js b/tests/mocha/event_comment_move_test.js
new file mode 100644
index 00000000000..420bdbb52de
--- /dev/null
+++ b/tests/mocha/event_comment_move_test.js
@@ -0,0 +1,39 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Comment Move Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+      comment.setText('test text');
+      comment.moveTo(new Blockly.utils.Coordinate(10, 10));
+      const origEvent = new Blockly.Events.CommentMove(comment);
+      comment.moveTo(new Blockly.utils.Coordinate(20, 20));
+      origEvent.recordNew();
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+      delete origEvent.comment_; // Ignore private properties.
+      delete newEvent.comment_; // Ignore private properties.
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_marker_move_test.js b/tests/mocha/event_marker_move_test.js
new file mode 100644
index 00000000000..26238dc43db
--- /dev/null
+++ b/tests/mocha/event_marker_move_test.js
@@ -0,0 +1,43 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {defineRowBlock} from './test_helpers/block_definitions.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Marker Move Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    defineRowBlock();
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const block1 = this.workspace.newBlock('row_block', 'test_id1');
+      const block2 = this.workspace.newBlock('row_block', 'test_id2');
+      const node1 = new Blockly.ASTNode(Blockly.ASTNode.types.BLOCK, block1);
+      const node2 = new Blockly.ASTNode(Blockly.ASTNode.types.BLOCK, block2);
+      const origEvent = new Blockly.Events.MarkerMove(
+        block2,
+        false,
+        node1,
+        node2,
+      );
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_selected_test.js b/tests/mocha/event_selected_test.js
new file mode 100644
index 00000000000..3c69889f2b1
--- /dev/null
+++ b/tests/mocha/event_selected_test.js
@@ -0,0 +1,40 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {defineRowBlock} from './test_helpers/block_definitions.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Selected Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    defineRowBlock();
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const block1 = this.workspace.newBlock('row_block', 'test_id1');
+      const block2 = this.workspace.newBlock('row_block', 'test_id2');
+      const origEvent = new Blockly.Events.Selected(
+        block1.id,
+        block2.id,
+        this.workspace.id,
+      );
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_test.js b/tests/mocha/event_test.js
index 77fd0c2918e..75688c6547e 100644
--- a/tests/mocha/event_test.js
+++ b/tests/mocha/event_test.js
@@ -4,29 +4,47 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Events', function() {
-  setup(function() {
+import * as Blockly from '../../build/src/core/blockly.js';
+import {ASTNode} from '../../build/src/core/keyboard_nav/ast_node.js';
+import {
+  assertEventEquals,
+  assertNthCallEventArgEquals,
+  createChangeListenerSpy,
+} from './test_helpers/events.js';
+import {assertVariableValues} from './test_helpers/variables.js';
+import {
+  createGenUidStubWithReturns,
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+import * as eventUtils from '../../build/src/core/events/utils.js';
+
+suite('Events', function () {
+  setup(function () {
     sharedTestSetup.call(this, {fireEventsNow: false});
-    this.eventsFireSpy = sinon.spy(Blockly.Events, 'fire');
+    this.eventsFireSpy = sinon.spy(eventUtils.TEST_ONLY, 'fireInternal');
     this.workspace = new Blockly.Workspace();
-    Blockly.defineBlocksWithJsonArray([{
-      'type': 'field_variable_test_block',
-      'message0': '%1',
-      'args0': [
-        {
-          'type': 'field_variable',
-          'name': 'VAR',
-          'variable': 'item'
-        }
-      ],
-    },
-    {
-      'type': 'simple_test_block',
-      'message0': 'simple test block'
-    }]);
+    Blockly.defineBlocksWithJsonArray([
+      {
+        'type': 'field_variable_test_block',
+        'message0': '%1',
+        'args0': [
+          {
+            'type': 'field_variable',
+            'name': 'VAR',
+            'variable': 'item',
+          },
+        ],
+      },
+      {
+        'type': 'simple_test_block',
+        'message0': 'simple test block',
+      },
+    ]);
   });
 
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
@@ -34,383 +52,899 @@ suite('Events', function() {
     // Disable events while constructing the block: this is a test of the
     // Blockly.Event constructors, not the block constructors.
     // Set the group id to avoid an extra call to genUid.
-    Blockly.Events.disable();
+    eventUtils.disable();
+    let block;
     try {
-      Blockly.Events.setGroup('unused');
-      var block = new Blockly.Block(
-          workspace, 'simple_test_block');
+      eventUtils.setGroup('unused');
+      block = new Blockly.Block(workspace, 'simple_test_block');
     } finally {
-      Blockly.Events.setGroup(false);
+      eventUtils.setGroup(false);
     }
-    Blockly.Events.enable();
+    eventUtils.enable();
     return block;
   }
 
-  suite('Constructors', function() {
-    test('Abstract', function() {
-      var event = new Blockly.Events.Abstract();
-      assertEventEquals(event, undefined, undefined, undefined, {
+  suite('Constructors', function () {
+    test('Abstract', function () {
+      const event = new Blockly.Events.Abstract();
+      assertEventEquals(event, '', undefined, undefined, {
         'recordUndo': true,
-        'group': ''
+        'group': '',
       });
     });
 
-    test('UI event without block', function() {
-      var TEST_GROUP_ID = 'testGroup';
-      Blockly.Events.setGroup(TEST_GROUP_ID);
-      var event = new Blockly.Events.Ui(null, 'foo', 'bar', 'baz');
-      assertEventEquals(event, Blockly.Events.UI, null, null, {
-        'element': 'foo',
-        'oldValue': 'bar',
-        'newValue': 'baz',
-        'recordUndo': false,
-        'group': TEST_GROUP_ID
-      });
+    test('UI event without block', function () {
+      const event = new Blockly.Events.UiBase(this.workspace.id);
+      assertEventEquals(
+        event,
+        '',
+        this.workspace.id,
+        undefined,
+        {
+          'recordUndo': false,
+          'group': '',
+        },
+        true,
+      );
+    });
+
+    test('Click without block', function () {
+      const event = new Blockly.Events.Click(
+        null,
+        this.workspace.id,
+        'workspace',
+      );
+      assertEventEquals(
+        event,
+        Blockly.Events.CLICK,
+        this.workspace.id,
+        null,
+        {
+          'targetType': 'workspace',
+          'recordUndo': false,
+          'group': '',
+        },
+        true,
+      );
     });
 
-    suite('With simple blocks', function() {
-      setup(function() {
+    suite('With simple blocks', function () {
+      setup(function () {
         this.TEST_BLOCK_ID = 'test_block_id';
         this.TEST_PARENT_ID = 'parent';
         // genUid is expected to be called either once or twice in this suite.
-        this.genUidStub = createGenUidStubWithReturns(
-            [this.TEST_BLOCK_ID, this.TEST_PARENT_ID]);
+        this.genUidStub = createGenUidStubWithReturns([
+          this.TEST_BLOCK_ID,
+          this.TEST_PARENT_ID,
+        ]);
         this.block = createSimpleTestBlock(this.workspace);
       });
 
-      test('Block base', function() {
-        var event = new Blockly.Events.BlockBase(this.block);
+      test('Block base', function () {
+        const event = new Blockly.Events.BlockBase(this.block);
         sinon.assert.calledOnce(this.genUidStub);
-        assertEventEquals(event, undefined,
-            this.workspace.id, this.TEST_BLOCK_ID,
-            {
-              'varId': undefined,
-              'recordUndo': true,
-              'group': '',
-            });
+        assertEventEquals(event, '', this.workspace.id, this.TEST_BLOCK_ID, {
+          'recordUndo': true,
+          'group': '',
+        });
       });
 
-      test('Create', function() {
-        var event = new Blockly.Events.Create(this.block);
+      test('Block create', function () {
+        const event = new Blockly.Events.BlockCreate(this.block);
         sinon.assert.calledOnce(this.genUidStub);
-        assertEventEquals(event, Blockly.Events.CREATE,
-            this.workspace.id, this.TEST_BLOCK_ID,
-            {
-              'recordUndo': true,
-              'group': '',
-            });
+        assertEventEquals(
+          event,
+          Blockly.Events.BLOCK_CREATE,
+          this.workspace.id,
+          this.TEST_BLOCK_ID,
+          {
+            'recordUndo': true,
+            'group': '',
+          },
+        );
       });
 
-      test('Block create', function() {
-        var event = new Blockly.Events.BlockCreate(this.block);
+      test('Block delete', function () {
+        const event = new Blockly.Events.BlockDelete(this.block);
         sinon.assert.calledOnce(this.genUidStub);
-        assertEventEquals(event, Blockly.Events.CREATE,
-            this.workspace.id, this.TEST_BLOCK_ID,
-            {
-              'recordUndo': true,
-              'group': '',
-            });
+        assertEventEquals(
+          event,
+          Blockly.Events.BLOCK_DELETE,
+          this.workspace.id,
+          this.TEST_BLOCK_ID,
+          {
+            'recordUndo': true,
+            'group': '',
+          },
+        );
       });
 
-      test('Delete', function() {
-        var event = new Blockly.Events.Delete(this.block);
-        sinon.assert.calledOnce(this.genUidStub);
-        assertEventEquals(event, Blockly.Events.DELETE,
-            this.workspace.id, this.TEST_BLOCK_ID,
-            {
-              'recordUndo': true,
-              'group': '',
-            });
+      test('Click with block', function () {
+        const TEST_GROUP_ID = 'testGroup';
+        eventUtils.setGroup(TEST_GROUP_ID);
+        const event = new Blockly.Events.Click(this.block, null, 'block');
+        assertEventEquals(
+          event,
+          Blockly.Events.CLICK,
+          this.workspace.id,
+          this.TEST_BLOCK_ID,
+          {
+            'targetType': 'block',
+            'recordUndo': false,
+            'group': TEST_GROUP_ID,
+          },
+          true,
+        );
       });
 
-      test('Block delete', function() {
-        var event = new Blockly.Events.BlockDelete(this.block);
-        sinon.assert.calledOnce(this.genUidStub);
-        assertEventEquals(event, Blockly.Events.DELETE,
-            this.workspace.id, this.TEST_BLOCK_ID,
-            {
-              'recordUndo': true,
-              'group': '',
-            });
-      });
-
-      test('UI event with block', function() {
-        var TEST_GROUP_ID = 'testGroup';
-        Blockly.Events.setGroup(TEST_GROUP_ID);
-        var event = new Blockly.Events.Ui(this.block, 'foo', 'bar', 'baz');
-        sinon.assert.calledOnce(this.genUidStub);
-        assertEventEquals(event, Blockly.Events.UI, this.workspace.id,
-            this.TEST_BLOCK_ID,
-            {
-              'element': 'foo',
-              'oldValue': 'bar',
-              'newValue': 'baz',
-              'recordUndo': false,
-              'group': TEST_GROUP_ID
-            });
-      });
-
-      suite('Move', function() {
-        test('Move by coordinate', function() {
-          var coordinate = new Blockly.utils.Coordinate(3, 4);
+      suite('Block Move', function () {
+        test('by coordinate', function () {
+          const coordinate = new Blockly.utils.Coordinate(3, 4);
           this.block.xy_ = coordinate;
 
-          var event = new Blockly.Events.Move(this.block);
+          const event = new Blockly.Events.BlockMove(this.block);
           sinon.assert.calledOnce(this.genUidStub);
-          assertEventEquals(event, Blockly.Events.MOVE, this.workspace.id,
-              this.TEST_BLOCK_ID, {
-                'oldParentId': undefined,
-                'oldInputName': undefined,
-                'oldCoordinate': coordinate,
-                'recordUndo': true,
-                'group': ''
-              });
-        });
-
-        test('Block move by coordinate', function() {
-          var coordinate = new Blockly.utils.Coordinate(3, 4);
-          this.block.xy_ = coordinate;
-
-          var event = new Blockly.Events.BlockMove(this.block);
-          sinon.assert.calledOnce(this.genUidStub);
-          assertEventEquals(event, Blockly.Events.MOVE, this.workspace.id,
-              this.TEST_BLOCK_ID, {
-                'oldParentId': undefined,
-                'oldInputName': undefined,
-                'oldCoordinate': coordinate,
-                'recordUndo': true,
-                'group': ''
-              });
+          assertEventEquals(
+            event,
+            Blockly.Events.BLOCK_MOVE,
+            this.workspace.id,
+            this.TEST_BLOCK_ID,
+            {
+              'oldParentId': undefined,
+              'oldInputName': undefined,
+              'oldCoordinate': coordinate,
+              'recordUndo': true,
+              'group': '',
+            },
+          );
         });
 
-        suite('Move by parent', function() {
-          setup(function() {
+        test('by parent', function () {
+          try {
             this.parentBlock = createSimpleTestBlock(this.workspace);
-
             this.block.parentBlock_ = this.parentBlock;
             this.block.xy_ = new Blockly.utils.Coordinate(3, 4);
-          });
-          teardown(function() {
+            const event = new Blockly.Events.BlockMove(this.block);
+            sinon.assert.calledTwice(this.genUidStub);
+            assertEventEquals(
+              event,
+              Blockly.Events.BLOCK_MOVE,
+              this.workspace.id,
+              this.TEST_BLOCK_ID,
+              {
+                'oldParentId': this.TEST_PARENT_ID,
+                'oldInputName': undefined,
+                'oldCoordinate': undefined,
+                'recordUndo': true,
+                'group': '',
+              },
+            );
+          } finally {
             // This needs to be cleared, otherwise workspace.dispose will fail.
             this.block.parentBlock_ = null;
-          });
-
-          test('Move by parent', function() {
-            var event = new Blockly.Events.Move(this.block);
-            sinon.assert.calledTwice(this.genUidStub);
-            assertEventEquals(event, Blockly.Events.MOVE, this.workspace.id,
-                this.TEST_BLOCK_ID, {
-                  'oldParentId': this.TEST_PARENT_ID,
-                  'oldInputName': undefined,
-                  'oldCoordinate': undefined,
-                  'recordUndo': true,
-                  'group': ''
-                });
-          });
-
-          test('Block move by parent', function() {
-            var event = new Blockly.Events.BlockMove(this.block);
-            sinon.assert.calledTwice(this.genUidStub);
-            assertEventEquals(event, Blockly.Events.MOVE, this.workspace.id,
-                this.TEST_BLOCK_ID,
-                {
-                  'oldParentId': this.TEST_PARENT_ID,
-                  'oldInputName': undefined,
-                  'oldCoordinate': undefined,
-                  'recordUndo': true,
-                  'group': ''
-                });
-          });
+          }
         });
       });
     });
 
-    suite('With shadow blocks', function() {
-      setup(function() {
+    suite('With shadow blocks', function () {
+      setup(function () {
         this.TEST_BLOCK_ID = 'test_block_id';
         this.TEST_PARENT_ID = 'parent';
         // genUid is expected to be called either once or twice in this suite.
-        this.genUidStub = createGenUidStubWithReturns(
-            [this.TEST_BLOCK_ID, this.TEST_PARENT_ID]);
+        this.genUidStub = createGenUidStubWithReturns([
+          this.TEST_BLOCK_ID,
+          this.TEST_PARENT_ID,
+        ]);
         this.block = createSimpleTestBlock(this.workspace);
         this.block.setShadow(true);
       });
 
-      test('Block base', function() {
-        var event = new Blockly.Events.BlockBase(this.block);
-        sinon.assert.calledOnce(this.genUidStub);
-        assertEventEquals(event, undefined,
-            this.workspace.id, this.TEST_BLOCK_ID,
-            {
-              'varId': undefined,
-              'recordUndo': true,
-              'group': '',
-            });
-      });
-
-      test('Change', function() {
-        var event = new Blockly.Events.Change(
-            this.block, 'field', 'FIELD_NAME', 'old', 'new');
-        sinon.assert.calledOnce(this.genUidStub);
-        assertEventEquals(event, Blockly.Events.CHANGE,
-            this.workspace.id, this.TEST_BLOCK_ID,
-            {
-              'varId': undefined,
-              'element': 'field',
-              'name': 'FIELD_NAME',
-              'oldValue': 'old',
-              'newValue': 'new',
-              'recordUndo': true,
-              'group': '',
-            });
-      });
-
-      test('Block change', function() {
-        var event = new Blockly.Events.BlockChange(
-            this.block, 'field', 'FIELD_NAME', 'old', 'new');
+      test('Block base', function () {
+        const event = new Blockly.Events.BlockBase(this.block);
         sinon.assert.calledOnce(this.genUidStub);
-        assertEventEquals(event, Blockly.Events.CHANGE,
-            this.workspace.id, this.TEST_BLOCK_ID,
-            {
-              'varId': undefined,
-              'element': 'field',
-              'name': 'FIELD_NAME',
-              'oldValue': 'old',
-              'newValue': 'new',
-              'recordUndo': true,
-              'group': '',
-            });
+        assertEventEquals(event, '', this.workspace.id, this.TEST_BLOCK_ID, {
+          'varId': undefined,
+          'recordUndo': true,
+          'group': '',
+        });
       });
 
-      test('Create', function() {
-        var event = new Blockly.Events.Create(this.block);
+      test('Block change', function () {
+        const event = new Blockly.Events.BlockChange(
+          this.block,
+          'field',
+          'FIELD_NAME',
+          'old',
+          'new',
+        );
         sinon.assert.calledOnce(this.genUidStub);
-        assertEventEquals(event, Blockly.Events.CREATE,
-            this.workspace.id, this.TEST_BLOCK_ID,
-            {
-              'recordUndo': false,
-              'group': '',
-            });
+        assertEventEquals(
+          event,
+          Blockly.Events.BLOCK_CHANGE,
+          this.workspace.id,
+          this.TEST_BLOCK_ID,
+          {
+            'varId': undefined,
+            'element': 'field',
+            'name': 'FIELD_NAME',
+            'oldValue': 'old',
+            'newValue': 'new',
+            'recordUndo': true,
+            'group': '',
+          },
+        );
       });
 
-      test('Block create', function() {
-        var event = new Blockly.Events.BlockCreate(this.block);
+      test('Block create', function () {
+        const event = new Blockly.Events.BlockCreate(this.block);
         sinon.assert.calledOnce(this.genUidStub);
-        assertEventEquals(event, Blockly.Events.CREATE,
-            this.workspace.id, this.TEST_BLOCK_ID,
-            {
-              'recordUndo': false,
-              'group': '',
-            });
+        assertEventEquals(
+          event,
+          Blockly.Events.BLOCK_CREATE,
+          this.workspace.id,
+          this.TEST_BLOCK_ID,
+          {
+            'recordUndo': false,
+            'group': '',
+          },
+        );
       });
 
-      test('Delete', function() {
-        var event = new Blockly.Events.Delete(this.block);
+      test('Block delete', function () {
+        const event = new Blockly.Events.BlockDelete(this.block);
         sinon.assert.calledOnce(this.genUidStub);
-        assertEventEquals(event, Blockly.Events.DELETE,
-            this.workspace.id, this.TEST_BLOCK_ID,
-            {
-              'recordUndo': false,
-              'group': '',
-            });
+        assertEventEquals(
+          event,
+          Blockly.Events.BLOCK_DELETE,
+          this.workspace.id,
+          this.TEST_BLOCK_ID,
+          {
+            'recordUndo': false,
+            'group': '',
+          },
+        );
       });
 
-      test('Block delete', function() {
-        var event = new Blockly.Events.BlockDelete(this.block);
-        sinon.assert.calledOnce(this.genUidStub);
-        assertEventEquals(event, Blockly.Events.DELETE,
-            this.workspace.id, this.TEST_BLOCK_ID,
-            {
-              'recordUndo': false,
-              'group': '',
-            });
-      });
-
-      suite('Move', function() {
-        setup(function() {
+      test('Block move', function () {
+        try {
           this.parentBlock = createSimpleTestBlock(this.workspace);
           this.block.parentBlock_ = this.parentBlock;
           this.block.xy_ = new Blockly.utils.Coordinate(3, 4);
-        });
-
-        teardown(function() {
+          const event = new Blockly.Events.BlockMove(this.block);
+          sinon.assert.calledTwice(this.genUidStub);
+          assertEventEquals(
+            event,
+            Blockly.Events.BLOCK_MOVE,
+            this.workspace.id,
+            this.TEST_BLOCK_ID,
+            {
+              'oldParentId': this.TEST_PARENT_ID,
+              'oldInputName': undefined,
+              'oldCoordinate': undefined,
+              'recordUndo': false,
+              'group': '',
+            },
+          );
+        } finally {
           // This needs to be cleared, otherwise workspace.dispose will fail.
           this.block.parentBlock_ = null;
-        });
-
-        test('Move', function() {
-          var event = new Blockly.Events.Move(this.block);
-          sinon.assert.calledTwice(this.genUidStub);
-          assertEventEquals(event, Blockly.Events.MOVE, this.workspace.id,
-              this.TEST_BLOCK_ID, {
-                'oldParentId': this.TEST_PARENT_ID,
-                'oldInputName': undefined,
-                'oldCoordinate': undefined,
-                'recordUndo': false,
-                'group': ''
-              });
-        });
-
-        test('Block move', function() {
-          var event = new Blockly.Events.BlockMove(this.block);
-          sinon.assert.calledTwice(this.genUidStub);
-          assertEventEquals(event, Blockly.Events.MOVE, this.workspace.id,
-              this.TEST_BLOCK_ID,
-              {
-                'oldParentId': this.TEST_PARENT_ID,
-                'oldInputName': undefined,
-                'oldCoordinate': undefined,
-                'recordUndo': false,
-                'group': ''
-              });
-        });
+        }
       });
     });
 
-    suite('With variable getter blocks', function() {
-      setup(function() {
-        this.genUidStub = createGenUidStubWithReturns(
-            [this.TEST_BLOCK_ID, 'test_var_id', 'test_group_id']);
+    suite('With variable getter blocks', function () {
+      setup(function () {
+        this.genUidStub = createGenUidStubWithReturns([
+          this.TEST_BLOCK_ID,
+          'test_var_id',
+          'test_group_id',
+        ]);
         // Disabling events when creating a block with variable can cause issues
         // at workspace dispose.
         this.block = new Blockly.Block(
-            this.workspace, 'field_variable_test_block');
+          this.workspace,
+          'field_variable_test_block',
+        );
       });
 
-      test('Change', function() {
-        var event = new Blockly.Events.Change(
-            this.block, 'field', 'VAR', 'id1', 'id2');
-        assertEventEquals(event, Blockly.Events.CHANGE, this.workspace.id,
-            this.TEST_BLOCK_ID,
-            {
-              'element': 'field',
-              'name': 'VAR',
-              'oldValue': 'id1',
-              'newValue': 'id2',
-              'recordUndo': true,
-              'group': ''
-            });
+      test('Block change', function () {
+        const event = new Blockly.Events.BlockChange(
+          this.block,
+          'field',
+          'VAR',
+          'id1',
+          'id2',
+        );
+        assertEventEquals(
+          event,
+          Blockly.Events.BLOCK_CHANGE,
+          this.workspace.id,
+          this.TEST_BLOCK_ID,
+          {
+            'element': 'field',
+            'name': 'VAR',
+            'oldValue': 'id1',
+            'newValue': 'id2',
+            'recordUndo': true,
+            'group': '',
+          },
+        );
       });
+    });
+  });
 
-      test('Block change', function() {
-        var event = new Blockly.Events.BlockChange(
-            this.block, 'field', 'VAR', 'id1', 'id2');
-        assertEventEquals(event, Blockly.Events.CHANGE, this.workspace.id,
-            this.TEST_BLOCK_ID,
-            {
-              'element': 'field',
-              'name': 'VAR',
-              'oldValue': 'id1',
-              'newValue': 'id2',
-              'recordUndo': true,
-              'group': ''
+  suite('Serialization', function () {
+    const safeStringify = (json) => {
+      const cache = [];
+      return JSON.stringify(json, (key, value) => {
+        if (typeof value == 'object' && value != null) {
+          if (cache.includes(value)) {
+            // Discard duplicate reference.
+            return undefined;
+          }
+          cache.push(value);
+          return value;
+        }
+        return value;
+      });
+    };
+    const variableEventTestCases = [
+      {
+        title: 'Var create',
+        class: Blockly.Events.VarCreate,
+        getArgs: (thisObj) => [thisObj.variable],
+        getExpectedJson: () => ({
+          type: 'var_create',
+          group: '',
+          varId: 'id1',
+          varType: 'type1',
+          varName: 'name1',
+        }),
+      },
+      {
+        title: 'Var delete',
+        class: Blockly.Events.VarDelete,
+        getArgs: (thisObj) => [thisObj.variable],
+        getExpectedJson: () => ({
+          type: 'var_delete',
+          group: '',
+          varId: 'id1',
+          varType: 'type1',
+          varName: 'name1',
+        }),
+      },
+      {
+        title: 'Var rename',
+        class: Blockly.Events.VarRename,
+        getArgs: (thisObj) => [thisObj.variable, 'name2'],
+        getExpectedJson: () => ({
+          type: 'var_rename',
+          group: '',
+          varId: 'id1',
+          oldName: 'name1',
+          newName: 'name2',
+        }),
+      },
+    ];
+    const uiEventTestCases = [
+      {
+        title: 'Bubble open',
+        class: Blockly.Events.BubbleOpen,
+        getArgs: (thisObj) => [thisObj.block, true, 'mutator'],
+        getExpectedJson: (thisObj) => ({
+          type: 'bubble_open',
+          group: '',
+          isOpen: true,
+          bubbleType: 'mutator',
+          blockId: thisObj.block.id,
+        }),
+      },
+      {
+        title: 'Block click',
+        class: Blockly.Events.Click,
+        getArgs: (thisObj) => [thisObj.block, null, 'block'],
+        getExpectedJson: (thisObj) => ({
+          type: 'click',
+          group: '',
+          targetType: 'block',
+          blockId: thisObj.block.id,
+        }),
+      },
+      {
+        title: 'Workspace click',
+        class: Blockly.Events.Click,
+        getArgs: (thisObj) => [null, thisObj.workspace.id, 'workspace'],
+        getExpectedJson: (thisObj) => ({
+          type: 'click',
+          group: '',
+          targetType: 'workspace',
+        }),
+      },
+      {
+        title: 'Drag start',
+        class: Blockly.Events.BlockDrag,
+        getArgs: (thisObj) => [thisObj.block, true, [thisObj.block]],
+        getExpectedJson: (thisObj) => ({
+          type: 'drag',
+          group: '',
+          isStart: true,
+          blockId: thisObj.block.id,
+          blocks: [thisObj.block],
+        }),
+      },
+      {
+        title: 'Drag end',
+        class: Blockly.Events.BlockDrag,
+        getArgs: (thisObj) => [thisObj.block, false, [thisObj.block]],
+        getExpectedJson: (thisObj) => ({
+          type: 'drag',
+          group: '',
+          isStart: false,
+          blockId: thisObj.block.id,
+          blocks: [thisObj.block],
+        }),
+      },
+      {
+        title: 'Field Edit Intermediate Change',
+        class: Blockly.Events.BlockFieldIntermediateChange,
+        getArgs: (thisObj) => [thisObj.block, 'test', 'old value', 'new value'],
+        getExpectedJson: (thisObj) => ({
+          type: 'block_field_intermediate_change',
+          group: '',
+          blockId: thisObj.block.id,
+          name: 'test',
+          oldValue: 'old value',
+          newValue: 'new value',
+        }),
+      },
+      {
+        title: 'null to Block Marker move',
+        class: Blockly.Events.MarkerMove,
+        getArgs: (thisObj) => [
+          thisObj.block,
+          true,
+          null,
+          new ASTNode(ASTNode.types.BLOCK, thisObj.block),
+        ],
+        getExpectedJson: (thisObj) => ({
+          type: 'marker_move',
+          group: '',
+          isCursor: true,
+          blockId: thisObj.block.id,
+          oldNode: undefined,
+          newNode: new ASTNode(ASTNode.types.BLOCK, thisObj.block),
+        }),
+      },
+      {
+        title: 'null to Workspace Marker move',
+        class: Blockly.Events.MarkerMove,
+        getArgs: (thisObj) => [
+          null,
+          true,
+          null,
+          ASTNode.createWorkspaceNode(
+            thisObj.workspace,
+            new Blockly.utils.Coordinate(0, 0),
+          ),
+        ],
+        getExpectedJson: (thisObj) => ({
+          type: 'marker_move',
+          group: '',
+          isCursor: true,
+          blockId: undefined,
+          oldNode: undefined,
+          newNode: ASTNode.createWorkspaceNode(
+            thisObj.workspace,
+            new Blockly.utils.Coordinate(0, 0),
+          ),
+        }),
+      },
+      {
+        title: 'Workspace to Block Marker move',
+        class: Blockly.Events.MarkerMove,
+        getArgs: (thisObj) => [
+          thisObj.block,
+          true,
+          ASTNode.createWorkspaceNode(
+            thisObj.workspace,
+            new Blockly.utils.Coordinate(0, 0),
+          ),
+          new ASTNode(ASTNode.types.BLOCK, thisObj.block),
+        ],
+        getExpectedJson: (thisObj) => ({
+          type: 'marker_move',
+          group: '',
+          isCursor: true,
+          blockId: thisObj.block.id,
+          oldNode: ASTNode.createWorkspaceNode(
+            thisObj.workspace,
+            new Blockly.utils.Coordinate(0, 0),
+          ),
+          newNode: new ASTNode(ASTNode.types.BLOCK, thisObj.block),
+        }),
+      },
+      {
+        title: 'Block to Workspace Marker move',
+        class: Blockly.Events.MarkerMove,
+        getArgs: (thisObj) => [
+          null,
+          true,
+          new ASTNode(ASTNode.types.BLOCK, thisObj.block),
+          ASTNode.createWorkspaceNode(
+            thisObj.workspace,
+            new Blockly.utils.Coordinate(0, 0),
+          ),
+        ],
+      },
+      {
+        title: 'Selected',
+        class: Blockly.Events.Selected,
+        getArgs: (thisObj) => [null, thisObj.block.id, thisObj.workspace.id],
+        getExpectedJson: (thisObj) => ({
+          type: 'selected',
+          group: '',
+          newElementId: thisObj.block.id,
+        }),
+      },
+      {
+        title: 'Selected (deselect)',
+        class: Blockly.Events.Selected,
+        getArgs: (thisObj) => [thisObj.block.id, null, thisObj.workspace.id],
+        getExpectedJson: (thisObj) => ({
+          type: 'selected',
+          group: '',
+          oldElementId: thisObj.block.id,
+        }),
+      },
+      {
+        title: 'Theme Change',
+        class: Blockly.Events.ThemeChange,
+        getArgs: (thisObj) => ['classic', thisObj.workspace.id],
+        getExpectedJson: () => ({
+          type: 'theme_change',
+          group: '',
+          themeName: 'classic',
+        }),
+      },
+      {
+        title: 'Toolbox item select',
+        class: Blockly.Events.ToolboxItemSelect,
+        getArgs: (thisObj) => ['Math', 'Loops', thisObj.workspace.id],
+        getExpectedJson: () => ({
+          type: 'toolbox_item_select',
+          group: '',
+          oldItem: 'Math',
+          newItem: 'Loops',
+        }),
+      },
+      {
+        title: 'Toolbox item select (no previous)',
+        class: Blockly.Events.ToolboxItemSelect,
+        getArgs: (thisObj) => [null, 'Loops', thisObj.workspace.id],
+        getExpectedJson: () => ({
+          type: 'toolbox_item_select',
+          group: '',
+          newItem: 'Loops',
+        }),
+      },
+      {
+        title: 'Toolbox item select (deselect)',
+        class: Blockly.Events.ToolboxItemSelect,
+        getArgs: (thisObj) => ['Math', null, thisObj.workspace.id],
+        getExpectedJson: () => ({
+          type: 'toolbox_item_select',
+          group: '',
+          oldItem: 'Math',
+        }),
+      },
+      {
+        title: 'Trashcan open',
+        class: Blockly.Events.TrashcanOpen,
+        getArgs: (thisObj) => [true, thisObj.workspace.id],
+        getExpectedJson: () => ({
+          type: 'trashcan_open',
+          group: '',
+          isOpen: true,
+        }),
+      },
+      {
+        title: 'Viewport change',
+        class: Blockly.Events.ViewportChange,
+        getArgs: (thisObj) => [2.666, 1.333, 1.2, thisObj.workspace.id, 1],
+        getExpectedJson: () => ({
+          type: 'viewport_change',
+          group: '',
+          viewTop: 2.666,
+          viewLeft: 1.333,
+          scale: 1.2,
+          oldScale: 1,
+        }),
+      },
+      {
+        title: 'Viewport change (0,0)',
+        class: Blockly.Events.ViewportChange,
+        getArgs: (thisObj) => [0, 0, 1.2, thisObj.workspace.id, 1],
+        getExpectedJson: () => ({
+          type: 'viewport_change',
+          group: '',
+          viewTop: 0,
+          viewLeft: 0,
+          scale: 1.2,
+          oldScale: 1,
+        }),
+      },
+    ];
+    const blockEventTestCases = [
+      {
+        title: 'Block change',
+        class: Blockly.Events.BlockChange,
+        getArgs: (thisObj) => [thisObj.block, 'collapsed', null, false, true],
+        getExpectedJson: (thisObj) => ({
+          type: 'change',
+          group: '',
+          blockId: thisObj.block.id,
+          element: 'collapsed',
+          oldValue: false,
+          newValue: true,
+        }),
+      },
+      {
+        title: 'Block create',
+        class: Blockly.Events.BlockCreate,
+        getArgs: (thisObj) => [thisObj.block],
+        getExpectedJson: (thisObj) => ({
+          type: 'create',
+          group: '',
+          blockId: thisObj.block.id,
+          xml:
+            '<block xmlns="https://developers.google.com/blockly/xml"' +
+            ' type="simple_test_block" id="testBlockId1" x="0" y="0">' +
+            '</block>',
+          ids: [thisObj.block.id],
+          json: {
+            'type': 'simple_test_block',
+            'id': 'testBlockId1',
+            'x': 0,
+            'y': 0,
+          },
+        }),
+      },
+      {
+        title: 'Block create (shadow)',
+        class: Blockly.Events.BlockCreate,
+        getArgs: (thisObj) => [thisObj.shadowBlock],
+        getExpectedJson: (thisObj) => ({
+          type: 'create',
+          group: '',
+          blockId: thisObj.shadowBlock.id,
+          xml:
+            '<shadow xmlns="https://developers.google.com/blockly/xml"' +
+            ' type="simple_test_block" id="testBlockId2" x="0" y="0">' +
+            '</shadow>',
+          ids: [thisObj.shadowBlock.id],
+          json: {
+            'type': 'simple_test_block',
+            'id': 'testBlockId2',
+            'x': 0,
+            'y': 0,
+          },
+          recordUndo: false,
+        }),
+      },
+      {
+        title: 'Block delete',
+        class: Blockly.Events.BlockDelete,
+        getArgs: (thisObj) => [thisObj.block],
+        getExpectedJson: (thisObj) => ({
+          type: 'delete',
+          group: '',
+          blockId: thisObj.block.id,
+          oldXml:
+            '<block xmlns="https://developers.google.com/blockly/xml"' +
+            ' type="simple_test_block" id="testBlockId1" x="0" y="0">' +
+            '</block>',
+          ids: [thisObj.block.id],
+          wasShadow: false,
+          oldJson: {
+            'type': 'simple_test_block',
+            'id': 'testBlockId1',
+            'x': 0,
+            'y': 0,
+          },
+        }),
+      },
+      {
+        title: 'Block delete (shadow)',
+        class: Blockly.Events.BlockDelete,
+        getArgs: (thisObj) => [thisObj.shadowBlock],
+        getExpectedJson: (thisObj) => ({
+          type: 'delete',
+          group: '',
+          blockId: thisObj.shadowBlock.id,
+          oldXml:
+            '<shadow xmlns="https://developers.google.com/blockly/xml"' +
+            ' type="simple_test_block" id="testBlockId2" x="0" y="0">' +
+            '</shadow>',
+          ids: [thisObj.shadowBlock.id],
+          wasShadow: true,
+          oldJson: {
+            'type': 'simple_test_block',
+            'id': 'testBlockId2',
+            'x': 0,
+            'y': 0,
+          },
+          recordUndo: false,
+        }),
+      },
+      // TODO(#4577) Test serialization of move event coordinate properties.
+      {
+        title: 'Block move',
+        class: Blockly.Events.BlockMove,
+        getArgs: (thisObj) => [thisObj.block],
+        getExpectedJson: (thisObj) => ({
+          type: 'move',
+          group: '',
+          blockId: thisObj.block.id,
+          oldCoordinate: '0, 0',
+        }),
+      },
+      {
+        title: 'Block move (shadow)',
+        class: Blockly.Events.BlockMove,
+        getArgs: (thisObj) => [thisObj.shadowBlock],
+        getExpectedJson: (thisObj) => ({
+          type: 'move',
+          group: '',
+          blockId: thisObj.shadowBlock.id,
+          oldCoordinate: '0, 0',
+          recordUndo: false,
+        }),
+      },
+    ];
+    const workspaceCommentEventTestCases = [
+      {
+        title: 'Comment change',
+        class: Blockly.Events.CommentChange,
+        getArgs: (thisObj) => [thisObj.comment, 'bar', 'foo'],
+        getExpectedJson: (thisObj) => ({
+          type: 'comment_change',
+          group: '',
+          commentId: thisObj.comment.id,
+          oldContents: 'bar',
+          newContents: 'foo',
+        }),
+      },
+      {
+        title: 'Comment create',
+        class: Blockly.Events.CommentCreate,
+        getArgs: (thisObj) => [thisObj.comment],
+        getExpectedJson: (thisObj) => ({
+          type: 'comment_create',
+          group: '',
+          commentId: thisObj.comment.id,
+          // TODO: Before merging, is this a dumb change detector?
+          xml: Blockly.Xml.domToText(
+            Blockly.Xml.saveWorkspaceComment(thisObj.comment),
+            {addCoordinates: true},
+          ),
+          json: {
+            height: 100,
+            width: 120,
+            id: 'comment id',
+            x: 0,
+            y: 0,
+            text: 'test text',
+          },
+        }),
+      },
+      {
+        title: 'Comment delete',
+        class: Blockly.Events.CommentDelete,
+        getArgs: (thisObj) => [thisObj.comment],
+        getExpectedJson: (thisObj) => ({
+          type: 'comment_delete',
+          group: '',
+          commentId: thisObj.comment.id,
+          // TODO: Before merging, is this a dumb change detector?
+          xml: Blockly.Xml.domToText(
+            Blockly.Xml.saveWorkspaceComment(thisObj.comment),
+            {addCoordinates: true},
+          ),
+          json: {
+            height: 100,
+            width: 120,
+            id: 'comment id',
+            x: 0,
+            y: 0,
+            text: 'test text',
+          },
+        }),
+      },
+      // TODO(#4577) Test serialization of move event coordinate properties.
+    ];
+    const testSuites = [
+      {
+        title: 'Variable events',
+        testCases: variableEventTestCases,
+        setup: (thisObj) => {
+          thisObj.variable = thisObj.workspace.createVariable(
+            'name1',
+            'type1',
+            'id1',
+          );
+        },
+      },
+      {
+        title: 'UI events',
+        testCases: uiEventTestCases,
+        setup: (thisObj) => {
+          thisObj.block = createSimpleTestBlock(thisObj.workspace);
+        },
+      },
+      {
+        title: 'Block events',
+        testCases: blockEventTestCases,
+        setup: (thisObj) => {
+          createGenUidStubWithReturns(['testBlockId1', 'testBlockId2']);
+          thisObj.block = createSimpleTestBlock(thisObj.workspace);
+          thisObj.shadowBlock = createSimpleTestBlock(thisObj.workspace);
+          thisObj.shadowBlock.setShadow(true);
+        },
+      },
+      {
+        title: 'WorkspaceComment events',
+        testCases: workspaceCommentEventTestCases,
+        setup: (thisObj) => {
+          thisObj.comment = new Blockly.comments.WorkspaceComment(
+            thisObj.workspace,
+            'comment id',
+          );
+          thisObj.comment.setText('test text');
+        },
+      },
+    ];
+    testSuites.forEach((testSuite) => {
+      suite(testSuite.title, function () {
+        setup(function () {
+          testSuite.setup(this);
+        });
+        suite('fromJson', function () {
+          testSuite.testCases.forEach((testCase) => {
+            test(testCase.title, function () {
+              const event = new testCase.class(...testCase.getArgs(this));
+              const json = event.toJson();
+              const event2 = Blockly.Events.fromJson(json, this.workspace);
+
+              chai.assert.equal(
+                safeStringify(event2.toJson()),
+                safeStringify(json),
+              );
             });
+          });
+        });
+        suite('toJson', function () {
+          testSuite.testCases.forEach((testCase) => {
+            if (testCase.getExpectedJson) {
+              test(testCase.title, function () {
+                const event = new testCase.class(...testCase.getArgs(this));
+                const json = event.toJson();
+                const expectedJson = testCase.getExpectedJson(this);
+
+                chai.assert.equal(
+                  safeStringify(json),
+                  safeStringify(expectedJson),
+                );
+              });
+            }
+          });
+        });
       });
     });
   });
 
-  suite('Variable events', function() {
-    setup(function() {
+  suite('Variable events', function () {
+    setup(function () {
       this.variable = this.workspace.createVariable('name1', 'type1', 'id1');
     });
 
@@ -423,162 +957,126 @@ suite('Events', function() {
      * @param {!string} id The expected id of the variable.
      */
     function checkVariableValues(container, name, type, id) {
-      var variable = container.getVariableById(id);
+      const variable = container.getVariableById(id);
       chai.assert.isDefined(variable);
       chai.assert.equal(name, variable.name);
       chai.assert.equal(type, variable.type);
       chai.assert.equal(id, variable.getId());
     }
 
-    suite('Constructors', function() {
-      test('Var base', function() {
-        var event = new Blockly.Events.VarBase(this.variable);
-        assertEventEquals(event, undefined, this.workspace.id, undefined, {
+    suite('Constructors', function () {
+      test('Var base', function () {
+        const event = new Blockly.Events.VarBase(this.variable);
+        assertEventEquals(event, '', this.workspace.id, undefined, {
           'varId': 'id1',
           'recordUndo': true,
-          'group': ''
+          'group': '',
         });
       });
 
-      test('Var create', function() {
-        var event = new Blockly.Events.VarCreate(this.variable);
-        assertEventEquals(event, Blockly.Events.VAR_CREATE, this.workspace.id,
-            undefined,
-            {
-              'varId': 'id1',
-              'varType': 'type1',
-              'varName': 'name1',
-              'recordUndo': true,
-              'group': ''
-            });
-      });
-
-      test('Var delete', function() {
-        var event = new Blockly.Events.VarDelete(this.variable);
-        assertEventEquals(event, Blockly.Events.VAR_DELETE, this.workspace.id,
-            undefined,
-            {
-              'varId': 'id1',
-              'varType': 'type1',
-              'varName': 'name1',
-              'recordUndo': true,
-              'group': ''
-            });
-      });
-
-      test('Var rename', function() {
-        var event = new Blockly.Events.VarRename(this.variable, 'name2');
-        assertEventEquals(event, Blockly.Events.VAR_RENAME, this.workspace.id,
-            undefined,
-            {
-              'varId': 'id1',
-              'oldName': 'name1',
-              'newName': 'name2',
-              'recordUndo': true,
-              'group': ''
-            });
-      });
-    });
-
-    suite('fromJson', function() {
-      test('Var create', function() {
-        var event = new Blockly.Events.VarCreate(this.variable);
-        var event2 = new Blockly.Events.VarCreate();
-        var json = event.toJson();
-        event2.fromJson(json);
-
-        chai.assert.equal(JSON.stringify(json), JSON.stringify(event2.toJson()));
+      test('Var create', function () {
+        const event = new Blockly.Events.VarCreate(this.variable);
+        assertEventEquals(
+          event,
+          Blockly.Events.VAR_CREATE,
+          this.workspace.id,
+          undefined,
+          {
+            'varId': 'id1',
+            'varType': 'type1',
+            'varName': 'name1',
+            'recordUndo': true,
+            'group': '',
+          },
+        );
       });
-      test('Var delete', function() {
-        var event = new Blockly.Events.VarDelete(this.variable);
-        var event2 = new Blockly.Events.VarDelete();
-        var json = event.toJson();
-        event2.fromJson(json);
 
-        chai.assert.equal(JSON.stringify(json), JSON.stringify(event2.toJson()));
+      test('Var delete', function () {
+        const event = new Blockly.Events.VarDelete(this.variable);
+        assertEventEquals(
+          event,
+          Blockly.Events.VAR_DELETE,
+          this.workspace.id,
+          undefined,
+          {
+            'varId': 'id1',
+            'varType': 'type1',
+            'varName': 'name1',
+            'recordUndo': true,
+            'group': '',
+          },
+        );
       });
-      test('Var rename', function() {
-        var event = new Blockly.Events.VarRename(this.variable, '');
-        var event2 = new Blockly.Events.VarRename();
-        var json = event.toJson();
-        event2.fromJson(json);
 
-        chai.assert.equal(JSON.stringify(json), JSON.stringify(event2.toJson()));
+      test('Var rename', function () {
+        const event = new Blockly.Events.VarRename(this.variable, 'name2');
+        assertEventEquals(
+          event,
+          Blockly.Events.VAR_RENAME,
+          this.workspace.id,
+          undefined,
+          {
+            'varId': 'id1',
+            'oldName': 'name1',
+            'newName': 'name2',
+            'recordUndo': true,
+            'group': '',
+          },
+        );
       });
     });
 
-    suite('toJson', function() {
-      test('Var create', function() {
-        var event = new Blockly.Events.VarCreate(this.variable);
-        var json = event.toJson();
-        var expectedJson = ({type: "var_create", varId: "id1", varType: "type1",
-          varName: "name1"});
-
-        chai.assert.equal(JSON.stringify(expectedJson), JSON.stringify(json));
-      });
-
-      test('Var delete', function() {
-        var event = new Blockly.Events.VarDelete(this.variable);
-        var json = event.toJson();
-        var expectedJson = ({type: "var_delete", varId: "id1", varType: "type1",
-          varName: "name1"});
-
-        chai.assert.equal(JSON.stringify(expectedJson), JSON.stringify(json));
-      });
-
-      test('Var rename', function() {
-        var event = new Blockly.Events.VarRename(this.variable, 'name2');
-        var json = event.toJson();
-        var expectedJson = ({type: "var_rename", varId: "id1", oldName: "name1",
-          newName: "name2"});
-
-        chai.assert.equal(JSON.stringify(expectedJson), JSON.stringify(json));
-      });
-    });
-
-    suite('Run Forward', function() {
-      test('Var create', function() {
-        var json = {type: "var_create", varId: "id2", varType: "type2",
-          varName: "name2"};
-        var event = Blockly.Events.fromJson(json, this.workspace);
-        var x = this.workspace.getVariableById('id2');
+    suite('Run Forward', function () {
+      test('Var create', function () {
+        const json = {
+          type: 'var_create',
+          varId: 'id2',
+          varType: 'type2',
+          varName: 'name2',
+        };
+        const event = eventUtils.fromJson(json, this.workspace);
+        const x = this.workspace.getVariableById('id2');
         chai.assert.isNull(x);
         event.run(true);
         assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
       });
 
-      test('Var delete', function() {
-        var event = new Blockly.Events.VarDelete(this.variable);
+      test('Var delete', function () {
+        const event = new Blockly.Events.VarDelete(this.variable);
         chai.assert.isNotNull(this.workspace.getVariableById('id1'));
         event.run(true);
         chai.assert.isNull(this.workspace.getVariableById('id1'));
       });
 
-      test('Var rename', function() {
-        var event = new Blockly.Events.VarRename(this.variable, 'name2');
+      test('Var rename', function () {
+        const event = new Blockly.Events.VarRename(this.variable, 'name2');
         event.run(true);
         chai.assert.isNull(this.workspace.getVariable('name1'));
         checkVariableValues(this.workspace, 'name2', 'type1', 'id1');
       });
     });
-    suite('Run Backward', function() {
-      test('Var create', function() {
-        var event = new Blockly.Events.VarCreate(this.variable);
+    suite('Run Backward', function () {
+      test('Var create', function () {
+        const event = new Blockly.Events.VarCreate(this.variable);
         chai.assert.isNotNull(this.workspace.getVariableById('id1'));
         event.run(false);
       });
 
-      test('Var delete', function() {
-        var json = {type: "var_delete", varId: "id2", varType: "type2",
-          varName: "name2"};
-        var event = Blockly.Events.fromJson(json, this.workspace);
+      test('Var delete', function () {
+        const json = {
+          type: 'var_delete',
+          varId: 'id2',
+          varType: 'type2',
+          varName: 'name2',
+        };
+        const event = eventUtils.fromJson(json, this.workspace);
         chai.assert.isNull(this.workspace.getVariableById('id2'));
         event.run(false);
         assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
       });
 
-      test('Var rename', function() {
-        var event = new Blockly.Events.VarRename(this.variable, 'name2');
+      test('Var rename', function () {
+        const event = new Blockly.Events.VarRename(this.variable, 'name2');
         event.run(false);
         chai.assert.isNull(this.workspace.getVariable('name2'));
         checkVariableValues(this.workspace, 'name1', 'type1', 'id1');
@@ -586,7 +1084,7 @@ suite('Events', function() {
     });
   });
 
-  suite('Filters', function() {
+  suite('Filters', function () {
     function addMoveEvent(events, block, newX, newY) {
       events.push(new Blockly.Events.BlockMove(block));
       block.xy_ = new Blockly.utils.Coordinate(newX, newY);
@@ -599,125 +1097,161 @@ suite('Events', function() {
       events[events.length - 1].recordNew();
     }
 
-    test('No removed, order unchanged', function() {
-      var block = this.workspace.newBlock('field_variable_test_block', '1');
-      var events = [
+    test('No removed, order unchanged', function () {
+      const block = this.workspace.newBlock('field_variable_test_block', '1');
+      const events = [
         new Blockly.Events.BlockCreate(block),
         new Blockly.Events.BlockMove(block),
         new Blockly.Events.BlockChange(block, 'field', 'VAR', 'id1', 'id2'),
-        new Blockly.Events.Ui(block, 'click', undefined, undefined)
+        new Blockly.Events.Click(block),
       ];
-      var filteredEvents = Blockly.Events.filter(events, true);
-      chai.assert.equal(filteredEvents.length, 4);  // no event should have been removed.
+      const filteredEvents = eventUtils.filter(events, true);
+      chai.assert.equal(filteredEvents.length, 4); // no event should have been removed.
       // test that the order hasn't changed
-      chai.assert.isTrue(filteredEvents[0] instanceof Blockly.Events.BlockCreate);
+      chai.assert.isTrue(
+        filteredEvents[0] instanceof Blockly.Events.BlockCreate,
+      );
       chai.assert.isTrue(filteredEvents[1] instanceof Blockly.Events.BlockMove);
-      chai.assert.isTrue(filteredEvents[2] instanceof Blockly.Events.BlockChange);
-      chai.assert.isTrue(filteredEvents[3] instanceof Blockly.Events.Ui);
+      chai.assert.isTrue(
+        filteredEvents[2] instanceof Blockly.Events.BlockChange,
+      );
+      chai.assert.isTrue(filteredEvents[3] instanceof Blockly.Events.Click);
     });
 
-    test('Different blocks no removed', function() {
-      var block1 = this.workspace.newBlock('field_variable_test_block', '1');
-      var block2 = this.workspace.newBlock('field_variable_test_block', '2');
-      var events = [
+    test('Different blocks no removed', function () {
+      const block1 = this.workspace.newBlock('field_variable_test_block', '1');
+      const block2 = this.workspace.newBlock('field_variable_test_block', '2');
+      const events = [
         new Blockly.Events.BlockCreate(block1),
         new Blockly.Events.BlockMove(block1),
         new Blockly.Events.BlockCreate(block2),
-        new Blockly.Events.BlockMove(block2)
+        new Blockly.Events.BlockMove(block2),
       ];
-      var filteredEvents = Blockly.Events.filter(events, true);
-      chai.assert.equal(filteredEvents.length, 4);  // no event should have been removed.
+      const filteredEvents = eventUtils.filter(events, true);
+      chai.assert.equal(filteredEvents.length, 4); // no event should have been removed.
     });
 
-    test('Forward', function() {
-      var block = this.workspace.newBlock('field_variable_test_block', '1');
-      var events = [ new Blockly.Events.BlockCreate(block) ];
+    test('Forward', function () {
+      const block = this.workspace.newBlock('field_variable_test_block', '1');
+      const events = [new Blockly.Events.BlockCreate(block)];
       addMoveEvent(events, block, 1, 1);
       addMoveEvent(events, block, 2, 2);
       addMoveEvent(events, block, 3, 3);
-      var filteredEvents = Blockly.Events.filter(events, true);
-      chai.assert.equal(filteredEvents.length, 2);  // duplicate moves should have been removed.
+      const filteredEvents = eventUtils.filter(events, true);
+      chai.assert.equal(filteredEvents.length, 2); // duplicate moves should have been removed.
       // test that the order hasn't changed
-      chai.assert.isTrue(filteredEvents[0] instanceof Blockly.Events.BlockCreate);
+      chai.assert.isTrue(
+        filteredEvents[0] instanceof Blockly.Events.BlockCreate,
+      );
       chai.assert.isTrue(filteredEvents[1] instanceof Blockly.Events.BlockMove);
       chai.assert.equal(filteredEvents[1].newCoordinate.x, 3);
       chai.assert.equal(filteredEvents[1].newCoordinate.y, 3);
     });
 
-    test('Backward', function() {
-      var block = this.workspace.newBlock('field_variable_test_block', '1');
-      var events = [ new Blockly.Events.BlockCreate(block) ];
+    test('Backward', function () {
+      const block = this.workspace.newBlock('field_variable_test_block', '1');
+      const events = [new Blockly.Events.BlockCreate(block)];
       addMoveEvent(events, block, 1, 1);
       addMoveEvent(events, block, 2, 2);
       addMoveEvent(events, block, 3, 3);
-      var filteredEvents = Blockly.Events.filter(events, false);
-      chai.assert.equal(filteredEvents.length, 2);  // duplicate event should have been removed.
+      const filteredEvents = eventUtils.filter(events, false);
+      chai.assert.equal(filteredEvents.length, 2); // duplicate event should have been removed.
       // test that the order hasn't changed
-      chai.assert.isTrue(filteredEvents[0] instanceof Blockly.Events.BlockCreate);
+      chai.assert.isTrue(
+        filteredEvents[0] instanceof Blockly.Events.BlockCreate,
+      );
       chai.assert.isTrue(filteredEvents[1] instanceof Blockly.Events.BlockMove);
       chai.assert.equal(filteredEvents[1].newCoordinate.x, 1);
       chai.assert.equal(filteredEvents[1].newCoordinate.y, 1);
     });
 
-    test('Merge move events', function() {
-      var block = this.workspace.newBlock('field_variable_test_block', '1');
-      var events = [];
+    test('Merge block move events', function () {
+      const block = this.workspace.newBlock('field_variable_test_block', '1');
+      const events = [];
       addMoveEvent(events, block, 0, 0);
       addMoveEvent(events, block, 1, 1);
-      var filteredEvents = Blockly.Events.filter(events, true);
-      chai.assert.equal(filteredEvents.length, 1);  // second move event merged into first
+      const filteredEvents = eventUtils.filter(events, true);
+      chai.assert.equal(filteredEvents.length, 1); // second move event merged into first
       chai.assert.equal(filteredEvents[0].newCoordinate.x, 1);
       chai.assert.equal(filteredEvents[0].newCoordinate.y, 1);
     });
 
-    test('Merge change events', function() {
-      var block1 = this.workspace.newBlock('field_variable_test_block', '1');
-      var events = [
-        new Blockly.Events.Change(block1, 'field', 'VAR', 'item', 'item1'),
-        new Blockly.Events.Change(block1, 'field', 'VAR', 'item1', 'item2')
+    test('Merge block change events', function () {
+      const block1 = this.workspace.newBlock('field_variable_test_block', '1');
+      const events = [
+        new Blockly.Events.BlockChange(block1, 'field', 'VAR', 'item', 'item1'),
+        new Blockly.Events.BlockChange(
+          block1,
+          'field',
+          'VAR',
+          'item1',
+          'item2',
+        ),
       ];
-      var filteredEvents = Blockly.Events.filter(events, true);
-      chai.assert.equal(filteredEvents.length, 1);  // second change event merged into first
+      const filteredEvents = eventUtils.filter(events, true);
+      chai.assert.equal(filteredEvents.length, 1); // second change event merged into first
       chai.assert.equal(filteredEvents[0].oldValue, 'item');
       chai.assert.equal(filteredEvents[0].newValue, 'item2');
     });
 
-    test('Merge ui events', function() {
-      var block1 = this.workspace.newBlock('field_variable_test_block', '1');
-      var block2 = this.workspace.newBlock('field_variable_test_block', '2');
-      var block3 = this.workspace.newBlock('field_variable_test_block', '3');
-      var events = [
-        new Blockly.Events.Ui(block1, 'commentOpen', 'false', 'true'),
-        new Blockly.Events.Ui(block1, 'click', 'false', 'true'),
-        new Blockly.Events.Ui(block2, 'mutatorOpen', 'false', 'true'),
-        new Blockly.Events.Ui(block2, 'click', 'false', 'true'),
-        new Blockly.Events.Ui(block3, 'warningOpen', 'false', 'true'),
-        new Blockly.Events.Ui(block3, 'click', 'false', 'true')
+    test('Merge viewport change events', function () {
+      const events = [
+        new Blockly.Events.ViewportChange(1, 2, 3, this.workspace, 4),
+        new Blockly.Events.ViewportChange(5, 6, 7, this.workspace, 8),
       ];
-      var filteredEvents = Blockly.Events.filter(events, true);
+      const filteredEvents = eventUtils.filter(events, true);
+      chai.assert.equal(filteredEvents.length, 1); // second change event merged into first
+      chai.assert.equal(filteredEvents[0].viewTop, 5);
+      chai.assert.equal(filteredEvents[0].viewLeft, 6);
+      chai.assert.equal(filteredEvents[0].scale, 7);
+      chai.assert.equal(filteredEvents[0].oldScale, 8);
+    });
+
+    test('Merge ui events', function () {
+      const block1 = this.workspace.newBlock('field_variable_test_block', '1');
+      const block2 = this.workspace.newBlock('field_variable_test_block', '2');
+      const block3 = this.workspace.newBlock('field_variable_test_block', '3');
+      const events = [
+        new Blockly.Events.BubbleOpen(block1, true, 'comment'),
+        new Blockly.Events.Click(block1),
+        new Blockly.Events.BubbleOpen(block2, true, 'mutator'),
+        new Blockly.Events.Click(block2),
+        new Blockly.Events.BubbleOpen(block3, true, 'warning'),
+        new Blockly.Events.Click(block3),
+      ];
+      const filteredEvents = eventUtils.filter(events, true);
       // click event merged into corresponding *Open event
       chai.assert.equal(filteredEvents.length, 3);
-      chai.assert.equal(filteredEvents[0].element, 'commentOpen');
-      chai.assert.equal(filteredEvents[1].element, 'mutatorOpen');
-      chai.assert.equal(filteredEvents[2].element, 'warningOpen');
+      chai.assert.isTrue(
+        filteredEvents[0] instanceof Blockly.Events.BubbleOpen,
+      );
+      chai.assert.isTrue(
+        filteredEvents[1] instanceof Blockly.Events.BubbleOpen,
+      );
+      chai.assert.isTrue(
+        filteredEvents[2] instanceof Blockly.Events.BubbleOpen,
+      );
+      chai.assert.equal(filteredEvents[0].bubbleType, 'comment');
+      chai.assert.equal(filteredEvents[1].bubbleType, 'mutator');
+      chai.assert.equal(filteredEvents[2].bubbleType, 'warning');
     });
 
-    test('Colliding events not dropped', function() {
+    test('Colliding events not dropped', function () {
       // Tests that events that collide on a (event, block, workspace) tuple
       // but cannot be merged do not get dropped during filtering.
-      var block = this.workspace.newBlock('field_variable_test_block', '1');
-      var events = [
-        new Blockly.Events.Ui(block, 'click', undefined, undefined),
-        new Blockly.Events.Ui(block, 'stackclick', undefined, undefined)
+      const block = this.workspace.newBlock('field_variable_test_block', '1');
+      const events = [
+        new Blockly.Events.Click(block),
+        new Blockly.Events.BlockDrag(block, true),
       ];
-      var filteredEvents = Blockly.Events.filter(events, true);
+      const filteredEvents = eventUtils.filter(events, true);
       // click and stackclick should both exist
       chai.assert.equal(filteredEvents.length, 2);
-      chai.assert.equal(filteredEvents[0].element, 'click');
-      chai.assert.equal(filteredEvents[1].element, 'stackclick');
+      chai.assert.isTrue(filteredEvents[0] instanceof Blockly.Events.Click);
+      chai.assert.equal(filteredEvents[1].isStart, true);
     });
 
-    test('Merging null operations dropped', function() {
+    test('Merging null operations dropped', function () {
       // Mutator composition could result in move events for blocks
       // connected to the mutated block that were null operations. This
       // leads to events in the undo/redo queue that do nothing, requiring
@@ -725,67 +1259,72 @@ suite('Events', function() {
       // that two move events that do get merged (disconnecting and
       // reconnecting a block in response to a mutator change) are filtered
       // from the queue.
-      var block = this.workspace.newBlock('field_variable_test_block', '1');
+      const block = this.workspace.newBlock('field_variable_test_block', '1');
       block.setParent(null);
-      var events = [];
+      const events = [];
       addMoveEventParent(events, block, null);
       addMoveEventParent(events, block, null);
-      var filteredEvents = Blockly.Events.filter(events, true);
+      const filteredEvents = eventUtils.filter(events, true);
       // The two events should be merged, but because nothing has changed
       // they will be filtered out.
       chai.assert.equal(filteredEvents.length, 0);
     });
 
-    test('Move events different blocks not merged', function() {
+    test('Move events different blocks not merged', function () {
       // Move events should only merge if they refer to the same block and are
       // consecutive.
       // See github.com/google/blockly/pull/1892 for a worked example showing
       // how merging non-consecutive events can fail when replacing a shadow
       // block.
-      var block1 = createSimpleTestBlock(this.workspace);
-      var block2 = createSimpleTestBlock(this.workspace);
+      const block1 = createSimpleTestBlock(this.workspace);
+      const block2 = createSimpleTestBlock(this.workspace);
 
-      var events = [];
+      const events = [];
       addMoveEvent(events, block1, 1, 1);
       addMoveEvent(events, block2, 1, 1);
       events.push(new Blockly.Events.BlockDelete(block2));
       addMoveEvent(events, block1, 2, 2);
 
-      var filteredEvents = Blockly.Events.filter(events, true);
+      const filteredEvents = eventUtils.filter(events, true);
       // Nothing should have merged.
       chai.assert.equal(filteredEvents.length, 4);
       // test that the order hasn't changed
       chai.assert.isTrue(filteredEvents[0] instanceof Blockly.Events.BlockMove);
       chai.assert.isTrue(filteredEvents[1] instanceof Blockly.Events.BlockMove);
-      chai.assert.isTrue(filteredEvents[2] instanceof Blockly.Events.BlockDelete);
+      chai.assert.isTrue(
+        filteredEvents[2] instanceof Blockly.Events.BlockDelete,
+      );
       chai.assert.isTrue(filteredEvents[3] instanceof Blockly.Events.BlockMove);
     });
   });
 
-  suite('Firing', function() {
-    setup(function() {
-      this.changeListenerSpy = createFireChangeListenerSpy(this.workspace);
+  suite('Firing', function () {
+    setup(function () {
+      this.changeListenerSpy = createChangeListenerSpy(this.workspace);
     });
 
-    test('Block dispose triggers Delete', function() {
+    test('Block dispose triggers Delete', function () {
+      let workspaceSvg;
       try {
-        var toolbox = document.getElementById('toolbox-categories');
-        var workspaceSvg = Blockly.inject('blocklyDiv', {toolbox: toolbox});
-        var TEST_BLOCK_ID = 'test_block_id';
-        var genUidStub = createGenUidStubWithReturns(
-            [TEST_BLOCK_ID, 'test_group_id']);
-
-        var block = workspaceSvg.newBlock('');
+        const toolbox = document.getElementById('toolbox-categories');
+        workspaceSvg = Blockly.inject('blocklyDiv', {toolbox: toolbox});
+        const TEST_BLOCK_ID = 'test_block_id';
+        const genUidStub = createGenUidStubWithReturns([
+          TEST_BLOCK_ID,
+          'test_group_id',
+        ]);
+
+        const block = workspaceSvg.newBlock('');
         block.initSvg();
         block.setCommentText('test comment');
-        var expectedOldXml = Blockly.Xml.blockToDomWithXY(block);
-        var expectedId = block.id;
+        const expectedOldXml = Blockly.Xml.blockToDomWithXY(block);
+        const expectedId = block.id;
 
         // Run all queued events.
         this.clock.runAll();
 
         this.eventsFireSpy.resetHistory();
-        var changeListenerSpy = createFireChangeListenerSpy(workspaceSvg);
+        const changeListenerSpy = createChangeListenerSpy(workspaceSvg);
         block.dispose();
 
         // Run all queued events.
@@ -796,13 +1335,13 @@ suite('Events', function() {
         sinon.assert.calledTwice(genUidStub);
 
         assertNthCallEventArgEquals(
-            this.eventsFireSpy, 0, Blockly.Events.Delete,
-            {oldXml: expectedOldXml, group: ''},
-            workspaceSvg.id, expectedId);
-        assertNthCallEventArgEquals(
-            changeListenerSpy, 0, Blockly.Events.Delete,
-            {oldXml: expectedOldXml, group: ''},
-            workspaceSvg.id, expectedId);
+          this.eventsFireSpy,
+          0,
+          Blockly.Events.BlockDelete,
+          {oldXml: expectedOldXml, group: ''},
+          workspaceSvg.id,
+          expectedId,
+        );
 
         // Expect the workspace to not have a variable with ID 'test_block_id'.
         chai.assert.isNull(this.workspace.getVariableById(TEST_BLOCK_ID));
@@ -811,14 +1350,17 @@ suite('Events', function() {
       }
     });
 
-    test('New block new var', function() {
-      var TEST_BLOCK_ID = 'test_block_id';
-      var TEST_GROUP_ID = 'test_group_id';
-      var TEST_VAR_ID = 'test_var_id';
-      var genUidStub = createGenUidStubWithReturns(
-          [TEST_BLOCK_ID, TEST_GROUP_ID, TEST_VAR_ID]);
-      var _ = this.workspace.newBlock('field_variable_test_block');
-      var TEST_VAR_NAME = 'item';  //  As defined in block's json.
+    test('New block new var', function () {
+      const TEST_BLOCK_ID = 'test_block_id';
+      const TEST_GROUP_ID = 'test_group_id';
+      const TEST_VAR_ID = 'test_var_id';
+      const genUidStub = createGenUidStubWithReturns([
+        TEST_BLOCK_ID,
+        TEST_GROUP_ID,
+        TEST_VAR_ID,
+      ]);
+      const _ = this.workspace.newBlock('field_variable_test_block');
+      const TEST_VAR_NAME = 'item'; //  As defined in block's json.
 
       // Run all queued events.
       this.clock.runAll();
@@ -832,34 +1374,47 @@ suite('Events', function() {
       // Expect both events to trigger change listener.
       sinon.assert.calledTwice(this.changeListenerSpy);
       // Both events should be on undo stack
-      chai.assert.equal(this.workspace.undoStack_.length, 2,
-          'Undo stack length');
+      chai.assert.equal(
+        this.workspace.undoStack_.length,
+        2,
+        'Undo stack length',
+      );
 
       assertNthCallEventArgEquals(
-          this.changeListenerSpy, 0, Blockly.Events.VarCreate,
-          {group: TEST_GROUP_ID, varId: TEST_VAR_ID, varName: TEST_VAR_NAME},
-          this.workspace.id, undefined);
+        this.changeListenerSpy,
+        0,
+        Blockly.Events.VarCreate,
+        {group: TEST_GROUP_ID, varId: TEST_VAR_ID, varName: TEST_VAR_NAME},
+        this.workspace.id,
+        undefined,
+      );
       assertNthCallEventArgEquals(
-          this.changeListenerSpy, 1, Blockly.Events.Create,
-          {group: TEST_GROUP_ID}, this.workspace.id, TEST_BLOCK_ID);
+        this.changeListenerSpy,
+        1,
+        Blockly.Events.BlockCreate,
+        {group: TEST_GROUP_ID},
+        this.workspace.id,
+        TEST_BLOCK_ID,
+      );
 
       // Expect the workspace to have a variable with ID 'test_var_id'.
       chai.assert.isNotNull(this.workspace.getVariableById(TEST_VAR_ID));
     });
 
-    test('New block new var xml', function() {
-      var TEST_GROUP_ID = 'test_group_id';
-      var genUidStub = createGenUidStubWithReturns(TEST_GROUP_ID);
-      var dom = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('New block new var xml', function () {
+      const TEST_GROUP_ID = 'test_group_id';
+      const genUidStub = createGenUidStubWithReturns(TEST_GROUP_ID);
+      const dom = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="field_variable_test_block" id="test_block_id">' +
           '    <field name="VAR" id="test_var_id">name1</field>' +
           '  </block>' +
-          '</xml>');
+          '</xml>',
+      );
       Blockly.Xml.domToWorkspace(dom, this.workspace);
-      var TEST_BLOCK_ID = 'test_block_id';
-      var TEST_VAR_ID = 'test_var_id';
-      var TEST_VAR_NAME = 'name1';
+      const TEST_BLOCK_ID = 'test_block_id';
+      const TEST_VAR_ID = 'test_var_id';
+      const TEST_VAR_NAME = 'name1';
 
       // Run all queued events.
       this.clock.runAll();
@@ -877,24 +1432,153 @@ suite('Events', function() {
       // The first varCreate and move event should have been ignored.
       sinon.assert.callCount(this.changeListenerSpy, 3);
       // Expect two events on undo stack: varCreate and block create.
-      chai.assert.equal(this.workspace.undoStack_.length, 2,
-          'Undo stack length');
+      chai.assert.equal(
+        this.workspace.undoStack_.length,
+        2,
+        'Undo stack length',
+      );
 
       assertNthCallEventArgEquals(
-          this.changeListenerSpy, 0, Blockly.Events.VarCreate,
-          {group: TEST_GROUP_ID, varId: TEST_VAR_ID, varName: TEST_VAR_NAME},
-          this.workspace.id, undefined);
+        this.changeListenerSpy,
+        0,
+        Blockly.Events.VarCreate,
+        {group: TEST_GROUP_ID, varId: TEST_VAR_ID, varName: TEST_VAR_NAME},
+        this.workspace.id,
+        undefined,
+      );
       assertNthCallEventArgEquals(
-          this.changeListenerSpy, 1, Blockly.Events.Create,
-          {group: TEST_GROUP_ID}, this.workspace.id, TEST_BLOCK_ID);
+        this.changeListenerSpy,
+        1,
+        Blockly.Events.BlockCreate,
+        {group: TEST_GROUP_ID},
+        this.workspace.id,
+        TEST_BLOCK_ID,
+      );
 
       // Finished loading event should not be part of event group.
       assertNthCallEventArgEquals(
-          this.changeListenerSpy, 2, Blockly.Events.FinishedLoading,
-          {group: ''}, this.workspace.id, undefined);
+        this.changeListenerSpy,
+        2,
+        Blockly.Events.FinishedLoading,
+        {group: ''},
+        this.workspace.id,
+        undefined,
+      );
 
       // Expect the workspace to have a variable with ID 'test_var_id'.
       chai.assert.isNotNull(this.workspace.getVariableById(TEST_VAR_ID));
     });
   });
+  suite('Disable orphans', function () {
+    setup(function () {
+      // disableOrphans needs a WorkspaceSVG
+      const toolbox = document.getElementById('toolbox-categories');
+      this.workspace = Blockly.inject('blocklyDiv', {toolbox: toolbox});
+    });
+    teardown(function () {
+      workspaceTeardown.call(this, this.workspace);
+    });
+    test('Created orphan block is disabled', function () {
+      this.workspace.addChangeListener(eventUtils.disableOrphans);
+      const block = this.workspace.newBlock('controls_for');
+      block.initSvg();
+      block.render();
+
+      // Fire all events
+      this.clock.runAll();
+
+      chai.assert.isFalse(
+        block.isEnabled(),
+        'Expected orphan block to be disabled after creation',
+      );
+    });
+    test('Created procedure block is enabled', function () {
+      this.workspace.addChangeListener(eventUtils.disableOrphans);
+
+      // Procedure block is never an orphan
+      const functionBlock = this.workspace.newBlock('procedures_defnoreturn');
+      functionBlock.initSvg();
+      functionBlock.render();
+
+      // Fire all events
+      this.clock.runAll();
+
+      chai.assert.isTrue(
+        functionBlock.isEnabled(),
+        'Expected top-level procedure block to be enabled',
+      );
+    });
+    test('Moving a block to top-level disables it', function () {
+      this.workspace.addChangeListener(eventUtils.disableOrphans);
+      const functionBlock = this.workspace.newBlock('procedures_defnoreturn');
+      functionBlock.initSvg();
+      functionBlock.render();
+
+      const block = this.workspace.newBlock('controls_for');
+      block.initSvg();
+      block.render();
+
+      // Connect the block to the function block input stack
+      functionBlock.inputList[1].connection.connect(block.previousConnection);
+
+      // Disconnect it again
+      block.unplug(false);
+
+      // Fire all events
+      this.clock.runAll();
+
+      chai.assert.isFalse(
+        block.isEnabled(),
+        'Expected disconnected block to be disabled',
+      );
+    });
+    test('Giving block a parent enables it', function () {
+      this.workspace.addChangeListener(eventUtils.disableOrphans);
+      const functionBlock = this.workspace.newBlock('procedures_defnoreturn');
+      functionBlock.initSvg();
+      functionBlock.render();
+
+      const block = this.workspace.newBlock('controls_for');
+      block.initSvg();
+      block.render();
+
+      // Connect the block to the function block input stack
+      functionBlock.inputList[1].connection.connect(block.previousConnection);
+
+      // Fire all events
+      this.clock.runAll();
+
+      chai.assert.isTrue(
+        block.isEnabled(),
+        'Expected block to be enabled after connecting to parent',
+      );
+    });
+    test('disableOrphans events are not undoable', function () {
+      this.workspace.addChangeListener(eventUtils.disableOrphans);
+      const functionBlock = this.workspace.newBlock('procedures_defnoreturn');
+      functionBlock.initSvg();
+      functionBlock.render();
+
+      const block = this.workspace.newBlock('controls_for');
+      block.initSvg();
+      block.render();
+
+      // Connect the block to the function block input stack
+      functionBlock.inputList[1].connection.connect(block.previousConnection);
+
+      // Disconnect it again
+      block.unplug(false);
+
+      // Fire all events
+      this.clock.runAll();
+
+      const disabledEvents = this.workspace.getUndoStack().filter(function (e) {
+        return e.element === 'disabled';
+      });
+      chai.assert.isEmpty(
+        disabledEvents,
+        'Undo stack should not contain any disabled events',
+      );
+    });
+  });
 });
diff --git a/tests/mocha/event_theme_change_test.js b/tests/mocha/event_theme_change_test.js
new file mode 100644
index 00000000000..155e373a3f9
--- /dev/null
+++ b/tests/mocha/event_theme_change_test.js
@@ -0,0 +1,35 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Theme Change Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const origEvent = new Blockly.Events.ThemeChange(
+        'new theme name',
+        this.workspace.id,
+      );
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_toolbox_item_select_test.js b/tests/mocha/event_toolbox_item_select_test.js
new file mode 100644
index 00000000000..82f8e4863b2
--- /dev/null
+++ b/tests/mocha/event_toolbox_item_select_test.js
@@ -0,0 +1,63 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Toolbox Item Select Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = Blockly.inject('blocklyDiv', {
+      toolbox: {
+        'kind': 'categoryToolbox',
+        'contents': [
+          {
+            'kind': 'category',
+            'name': 'Control',
+            'contents': [
+              {
+                'kind': 'block',
+                'type': 'controls_if',
+              },
+            ],
+          },
+          {
+            'kind': 'category',
+            'name': 'Logic',
+            'contents': [
+              {
+                'kind': 'block',
+                'type': 'logic_compare',
+              },
+            ],
+          },
+        ],
+      },
+    });
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const items = this.workspace.getToolbox().getToolboxItems();
+      const origEvent = new Blockly.Events.ToolboxItemSelect(
+        items[0].getName(),
+        items[1].getName(),
+        this.workspace.id,
+      );
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_trashcan_open_test.js b/tests/mocha/event_trashcan_open_test.js
new file mode 100644
index 00000000000..84c2abd9c56
--- /dev/null
+++ b/tests/mocha/event_trashcan_open_test.js
@@ -0,0 +1,35 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Trashcan Open Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const origEvent = new Blockly.Events.TrashcanOpen(
+        true,
+        this.workspace.id,
+      );
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_var_create_test.js b/tests/mocha/event_var_create_test.js
new file mode 100644
index 00000000000..003cd11b5a2
--- /dev/null
+++ b/tests/mocha/event_var_create_test.js
@@ -0,0 +1,53 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Var Create Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('untyped variable events round-trip through JSON', function () {
+      const varModel = new Blockly.VariableModel(
+        this.workspace,
+        'name',
+        '',
+        'id',
+      );
+      const origEvent = new Blockly.Events.VarCreate(varModel);
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+
+    test('typed variable events round-trip through JSON', function () {
+      const varModel = new Blockly.VariableModel(
+        this.workspace,
+        'name',
+        'type',
+        'id',
+      );
+      const origEvent = new Blockly.Events.VarCreate(varModel);
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_var_delete_test.js b/tests/mocha/event_var_delete_test.js
new file mode 100644
index 00000000000..7bad8eb7b73
--- /dev/null
+++ b/tests/mocha/event_var_delete_test.js
@@ -0,0 +1,53 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Var Delete Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('untyped variable events round-trip through JSON', function () {
+      const varModel = new Blockly.VariableModel(
+        this.workspace,
+        'name',
+        '',
+        'id',
+      );
+      const origEvent = new Blockly.Events.VarDelete(varModel);
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+
+    test('typed variable events round-trip through JSON', function () {
+      const varModel = new Blockly.VariableModel(
+        this.workspace,
+        'name',
+        'type',
+        'id',
+      );
+      const origEvent = new Blockly.Events.VarDelete(varModel);
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_var_rename_test.js b/tests/mocha/event_var_rename_test.js
new file mode 100644
index 00000000000..0c8fb80cdad
--- /dev/null
+++ b/tests/mocha/event_var_rename_test.js
@@ -0,0 +1,38 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Var Rename Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const varModel = new Blockly.VariableModel(
+        this.workspace,
+        'old name',
+        'type',
+        'id',
+      );
+      const origEvent = new Blockly.Events.VarRename(varModel, 'new name');
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/event_viewport_test.js b/tests/mocha/event_viewport_test.js
new file mode 100644
index 00000000000..7913e7bf507
--- /dev/null
+++ b/tests/mocha/event_viewport_test.js
@@ -0,0 +1,38 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Viewport Change Event', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Serialization', function () {
+    test('events round-trip through JSON', function () {
+      const origEvent = new Blockly.Events.ViewportChange(
+        10,
+        10,
+        1,
+        this.workspace.id,
+        0.8,
+      );
+
+      const json = origEvent.toJson();
+      const newEvent = new Blockly.Events.fromJson(json, this.workspace);
+
+      chai.assert.deepEqual(newEvent, origEvent);
+    });
+  });
+});
diff --git a/tests/mocha/extensions_test.js b/tests/mocha/extensions_test.js
index 5c5cc23f5db..8eb37e75df7 100644
--- a/tests/mocha/extensions_test.js
+++ b/tests/mocha/extensions_test.js
@@ -4,46 +4,63 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Extensions', function() {
-  setup(function() {
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Extensions', function () {
+  setup(function () {
     sharedTestSetup.call(this);
     this.workspace = new Blockly.Workspace();
     this.extensionsCleanup_ = [];
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
     for (let i = 0; i < this.extensionsCleanup_.length; i++) {
-      var extension = this.extensionsCleanup_[i];
-      delete Blockly.Extensions.ALL_[extension];
+      const extension = this.extensionsCleanup_[i];
+      delete Blockly.Extensions.TEST_ONLY.allExtensions[extension];
     }
   });
 
-  test('Definition before and after block type', function() {
+  test('Definition before and after block type', function () {
     this.extensionsCleanup_.push('extensions_test_before');
     this.extensionsCleanup_.push('extensions_test_after');
 
-    chai.assert.isUndefined(Blockly.Extensions.ALL_['extensions_test_before']);
-    var beforeCallback = sinon.spy();
+    chai.assert.isUndefined(
+      Blockly.Extensions.TEST_ONLY.allExtensions['extensions_test_before'],
+    );
+    const beforeCallback = sinon.spy();
     // Extension defined before the block type is defined.
     Blockly.Extensions.register('extensions_test_before', beforeCallback);
 
-    Blockly.defineBlocksWithJsonArray([{
-      "type": "extension_test_block",
-      "message0": "extension_test_block",
-      "extensions": ["extensions_test_before", "extensions_test_after"]
-    }]);
+    Blockly.defineBlocksWithJsonArray([
+      {
+        'type': 'extension_test_block',
+        'message0': 'extension_test_block',
+        'extensions': ['extensions_test_before', 'extensions_test_after'],
+      },
+    ]);
 
-    chai.assert.isUndefined(Blockly.Extensions.ALL_['extensions_test_after']);
-    var afterCallback = sinon.spy();
+    chai.assert.isUndefined(
+      Blockly.Extensions.TEST_ONLY.allExtensions['extensions_test_after'],
+    );
+    const afterCallback = sinon.spy();
     // Extension defined after the block type (but before instantiation).
     Blockly.Extensions.register('extensions_test_after', afterCallback);
 
-    chai.assert.typeOf(Blockly.Extensions.ALL_['extensions_test_before'], 'function');
-    chai.assert.typeOf(Blockly.Extensions.ALL_['extensions_test_after'], 'function');
+    chai.assert.typeOf(
+      Blockly.Extensions.TEST_ONLY.allExtensions['extensions_test_before'],
+      'function',
+    );
+    chai.assert.typeOf(
+      Blockly.Extensions.TEST_ONLY.allExtensions['extensions_test_after'],
+      'function',
+    );
     sinon.assert.notCalled(beforeCallback);
     sinon.assert.notCalled(afterCallback);
 
-    var block = new Blockly.Block(this.workspace, 'extension_test_block');
+    const block = new Blockly.Block(this.workspace, 'extension_test_block');
 
     sinon.assert.calledOnce(beforeCallback);
     sinon.assert.calledOnce(afterCallback);
@@ -51,39 +68,41 @@ suite('Extensions', function() {
     sinon.assert.calledOn(afterCallback, block);
   });
 
-  test('Parent tooltip when inline', function() {
-    var defaultTooltip = "defaultTooltip";
-    var parentTooltip = "parentTooltip";
+  test('Parent tooltip when inline', function () {
+    const defaultTooltip = 'defaultTooltip';
+    const parentTooltip = 'parentTooltip';
     Blockly.defineBlocksWithJsonArray([
       {
-        "type": "test_parent_tooltip_when_inline",
-        "message0": "test_parent_tooltip_when_inline",
-        "output": true,
-        "tooltip": defaultTooltip,
-        "extensions": ["parent_tooltip_when_inline"]
+        'type': 'test_parent_tooltip_when_inline',
+        'message0': 'test_parent_tooltip_when_inline',
+        'output': true,
+        'tooltip': defaultTooltip,
+        'extensions': ['parent_tooltip_when_inline'],
       },
       {
-        "type": "test_parent",
-        "message0": "%1",
-        "args0": [
+        'type': 'test_parent',
+        'message0': '%1',
+        'args0': [
           {
-            "type": "input_value",
-            "name": "INPUT"
-          }
+            'type': 'input_value',
+            'name': 'INPUT',
+          },
         ],
-        "tooltip": parentTooltip
-      }
+        'tooltip': parentTooltip,
+      },
     ]);
 
-    var block =
-        new Blockly.Block(this.workspace, 'test_parent_tooltip_when_inline');
+    const block = new Blockly.Block(
+      this.workspace,
+      'test_parent_tooltip_when_inline',
+    );
 
     // Tooltip is dynamic after extension initialization.
     chai.assert.typeOf(block.tooltip, 'function');
     chai.assert.equal(block.tooltip(), defaultTooltip);
 
     // Tooltip is normal before connected to parent.
-    var parent = new Blockly.Block(this.workspace, 'test_parent');
+    const parent = new Blockly.Block(this.workspace, 'test_parent');
     chai.assert.equal(parent.tooltip, parentTooltip);
     chai.assert.notExists(parent.inputsInline);
 
@@ -102,66 +121,73 @@ suite('Extensions', function() {
     chai.assert.equal(block.tooltip(), defaultTooltip);
   });
 
-  suite('Mixin', function() {
-    test('Basic', function() {
+  suite('Mixin', function () {
+    test('Basic', function () {
       this.extensionsCleanup_.push('mixin_test');
 
-      var testMixin = {
+      const testMixin = {
         field: 'FIELD',
-        method: function() {
+        method: function () {
           console.log('TEXT_MIXIN method()');
-        }
+        },
       };
 
-      chai.assert.isUndefined(Blockly.Extensions.ALL_['mixin_test']);
+      chai.assert.isUndefined(
+        Blockly.Extensions.TEST_ONLY.allExtensions['mixin_test'],
+      );
       // Extension defined before the block type is defined.
       Blockly.Extensions.registerMixin('mixin_test', testMixin);
 
-      chai.assert.typeOf(Blockly.Extensions.ALL_['mixin_test'], 'function');
-
+      chai.assert.typeOf(
+        Blockly.Extensions.TEST_ONLY.allExtensions['mixin_test'],
+        'function',
+      );
 
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "test_block_mixin",
-        "message0": "test_block_mixin",
-        "extensions": ["mixin_test"]
-      }]);
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': 'test_block_mixin',
+          'message0': 'test_block_mixin',
+          'extensions': ['mixin_test'],
+        },
+      ]);
 
-      var block = new Blockly.Block(this.workspace, 'test_block_mixin');
+      const block = new Blockly.Block(this.workspace, 'test_block_mixin');
 
       chai.assert.equal(testMixin.field, block.field);
       chai.assert.equal(testMixin.method, block.method);
     });
 
-    suite('Mutator', function() {
-      test('Basic', function() {
+    suite('Mutator', function () {
+      test('Basic', function () {
         this.extensionsCleanup_.push('mutator_test');
 
-        Blockly.defineBlocksWithJsonArray([{
-          "type": "mutator_test_block",
-          "message0": "mutator_test_block",
-          "mutator": "mutator_test"
-        }]);
+        Blockly.defineBlocksWithJsonArray([
+          {
+            'type': 'mutator_test_block',
+            'message0': 'mutator_test_block',
+            'mutator': 'mutator_test',
+          },
+        ]);
 
         // Events code calls mutationToDom and expects it to give back a meaningful
         // value.
         Blockly.Events.disable();
-        Blockly.Extensions.registerMutator('mutator_test',
-            {
-              domToMutation: function() {
-                return 'domToMutationFn';
-              },
-              mutationToDom: function() {
-                return 'mutationToDomFn';
-              },
-              compose: function() {
-                return 'composeFn';
-              },
-              decompose: function() {
-                return 'decomposeFn';
-              }
-            });
-
-        var block = new Blockly.Block(this.workspace, 'mutator_test_block');
+        Blockly.Extensions.registerMutator('mutator_test', {
+          domToMutation: function () {
+            return 'domToMutationFn';
+          },
+          mutationToDom: function () {
+            return 'mutationToDomFn';
+          },
+          compose: function () {
+            return 'composeFn';
+          },
+          decompose: function () {
+            return 'decomposeFn';
+          },
+        });
+
+        const block = new Blockly.Block(this.workspace, 'mutator_test_block');
 
         // Make sure all of the functions were installed correctly.
         chai.assert.equal(block.domToMutation(), 'domToMutationFn');
@@ -170,317 +196,415 @@ suite('Extensions', function() {
         chai.assert.equal(block.decompose(), 'decomposeFn');
       });
 
-      test('With helper function', function() {
+      test('With helper function', function () {
         this.extensionsCleanup_.push('extensions_test');
 
-        Blockly.defineBlocksWithJsonArray([{
-          "type": "mutator_test_block",
-          "message0": "mutator_test_block",
-          "mutator": ["extensions_test"]
-        }]);
+        Blockly.defineBlocksWithJsonArray([
+          {
+            'type': 'mutator_test_block',
+            'message0': 'mutator_test_block',
+            'mutator': ['extensions_test'],
+          },
+        ]);
 
         // Events code calls mutationToDom and expects it to give back a
         // meaningful value.
         Blockly.Events.disable();
-        chai.assert.isUndefined(Blockly.Extensions.ALL_['extensions_test']);
-        var helperFunctionSpy = sinon.spy();
-        Blockly.Extensions.registerMutator('extensions_test',
-            {
-              domToMutation: function() {
-                return 'domToMutationFn';
-              },
-              mutationToDom: function() {
-                return 'mutationToDomFn';
-              }
+        chai.assert.isUndefined(
+          Blockly.Extensions.TEST_ONLY.allExtensions['extensions_test'],
+        );
+        const helperFunctionSpy = sinon.spy();
+        Blockly.Extensions.registerMutator(
+          'extensions_test',
+          {
+            domToMutation: function () {
+              return 'domToMutationFn';
+            },
+            mutationToDom: function () {
+              return 'mutationToDomFn';
             },
-            helperFunctionSpy
+          },
+          helperFunctionSpy,
         );
 
-        var _ = new Blockly.Block(this.workspace, 'mutator_test_block');
+        const _ = new Blockly.Block(this.workspace, 'mutator_test_block');
 
         sinon.assert.calledOnce(helperFunctionSpy);
       });
 
-      test('No dialog', function() {
+      test('No dialog', function () {
         this.extensionsCleanup_.push('mutator_test');
 
-        Blockly.defineBlocksWithJsonArray([{
-          "type": "mutator_test_block",
-          "message0": "mutator_test_block",
-          "mutator": "mutator_test"
-        }]);
+        Blockly.defineBlocksWithJsonArray([
+          {
+            'type': 'mutator_test_block',
+            'message0': 'mutator_test_block',
+            'mutator': 'mutator_test',
+          },
+        ]);
 
         // Events code calls mutationToDom and expects it to give back a
         // meaningful value.
         Blockly.Events.disable();
-        chai.assert.isUndefined(Blockly.Extensions.ALL_['mutator_test']);
-        Blockly.Extensions.registerMutator('mutator_test',
-            {
-              domToMutation: function() {
-                return 'domToMutationFn';
-              },
-              mutationToDom: function() {
-                return 'mutationToDomFn';
-              }
-            });
-
-        var block = new Blockly.Block(this.workspace, 'mutator_test_block');
+        chai.assert.isUndefined(
+          Blockly.Extensions.TEST_ONLY.allExtensions['mutator_test'],
+        );
+        Blockly.Extensions.registerMutator('mutator_test', {
+          domToMutation: function () {
+            return 'domToMutationFn';
+          },
+          mutationToDom: function () {
+            return 'mutationToDomFn';
+          },
+        });
+
+        const block = new Blockly.Block(this.workspace, 'mutator_test_block');
 
         // Make sure all of the functions were installed correctly.
         chai.assert.equal(block.domToMutation(), 'domToMutationFn');
         chai.assert.equal(block.mutationToDom(), 'mutationToDomFn');
-        chai.assert.isFalse(Object.prototype.hasOwnProperty.call(block, 'compose'));
-        chai.assert.isFalse(Object.prototype.hasOwnProperty.call(block, 'decompose'));
+        chai.assert.isUndefined(block['compose']);
+        chai.assert.isUndefined(block['decompose']);
       });
     });
   });
 
-  suite('Error cases', function() {
-    test('Missing extension', function() {
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "missing_extension_block",
-        "message0": "missing_extension_block",
-        "extensions": ["missing_extension"]
-      }]);
-
-      chai.assert.isUndefined(Blockly.Extensions.ALL_['missing_extension']);
-      var workspace = this.workspace;
-      chai.assert.throws(function() {
-        var _ = new Blockly.Block(workspace, 'missing_extension_block');
+  suite('Error cases', function () {
+    test('Missing extension', function () {
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': 'missing_extension_block',
+          'message0': 'missing_extension_block',
+          'extensions': ['missing_extension'],
+        },
+      ]);
+
+      chai.assert.isUndefined(
+        Blockly.Extensions.TEST_ONLY.allExtensions['missing_extension'],
+      );
+      const workspace = this.workspace;
+      chai.assert.throws(function () {
+        const _ = new Blockly.Block(workspace, 'missing_extension_block');
       });
     });
 
-    test('Mixin overwrites local value', function() {
+    test('Mixin overwrites local value', function () {
       this.extensionsCleanup_.push('mixin_bad_inputList');
 
-      var TEST_MIXIN_BAD_INPUTLIST = {
-        inputList: 'bad inputList'  // Defined in constructor
+      const TEST_MIXIN_BAD_INPUTLIST = {
+        inputList: 'bad inputList', // Defined in constructor
       };
 
-      chai.assert.isUndefined(Blockly.Extensions.ALL_['mixin_bad_inputList']);
+      chai.assert.isUndefined(
+        Blockly.Extensions.TEST_ONLY.allExtensions['mixin_bad_inputList'],
+      );
       // Extension defined before the block type is defined.
-      Blockly.Extensions.registerMixin('mixin_bad_inputList', TEST_MIXIN_BAD_INPUTLIST);
-      chai.assert.typeOf(Blockly.Extensions.ALL_['mixin_bad_inputList'], 'function');
-
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "test_block_bad_inputList",
-        "message0": "test_block_bad_inputList",
-        "extensions": ["mixin_bad_inputList"]
-      }]);
-
-      var workspace = this.workspace;
-      chai.assert.throws(function() {
-        var _ = new Blockly.Block(workspace, 'test_block_bad_inputList');
+      Blockly.Extensions.registerMixin(
+        'mixin_bad_inputList',
+        TEST_MIXIN_BAD_INPUTLIST,
+      );
+      chai.assert.typeOf(
+        Blockly.Extensions.TEST_ONLY.allExtensions['mixin_bad_inputList'],
+        'function',
+      );
+
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': 'test_block_bad_inputList',
+          'message0': 'test_block_bad_inputList',
+          'extensions': ['mixin_bad_inputList'],
+        },
+      ]);
+
+      const workspace = this.workspace;
+      chai.assert.throws(function () {
+        const _ = new Blockly.Block(workspace, 'test_block_bad_inputList');
       }, /inputList/);
     });
 
-    test('Mixin overwrites prototype', function() {
+    test('Mixin overwrites prototype', function () {
       this.extensionsCleanup_.push('mixin_bad_colour_');
 
-      var TEST_MIXIN_BAD_COLOUR = {
-        colour_: 'bad colour_' // Defined on prototype
+      const TEST_MIXIN_BAD_COLOUR = {
+        colour_: 'bad colour_', // Defined on prototype
       };
 
-      chai.assert.isUndefined(Blockly.Extensions.ALL_['mixin_bad_colour_']);
+      chai.assert.isUndefined(
+        Blockly.Extensions.TEST_ONLY.allExtensions['mixin_bad_colour_'],
+      );
       // Extension defined before the block type is defined.
-      Blockly.Extensions.registerMixin('mixin_bad_colour_', TEST_MIXIN_BAD_COLOUR);
-      chai.assert.typeOf(Blockly.Extensions.ALL_['mixin_bad_colour_'], 'function');
-
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "test_block_bad_colour",
-        "message0": "test_block_bad_colour",
-        "extensions": ["mixin_bad_colour_"]
-      }]);
-
-      var workspace = this.workspace;
-      chai.assert.throws(function() {
-        var _ = new Blockly.Block(workspace, 'test_block_bad_colour');
+      Blockly.Extensions.registerMixin(
+        'mixin_bad_colour_',
+        TEST_MIXIN_BAD_COLOUR,
+      );
+      chai.assert.typeOf(
+        Blockly.Extensions.TEST_ONLY.allExtensions['mixin_bad_colour_'],
+        'function',
+      );
+
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': 'test_block_bad_colour',
+          'message0': 'test_block_bad_colour',
+          'extensions': ['mixin_bad_colour_'],
+        },
+      ]);
+
+      const workspace = this.workspace;
+      chai.assert.throws(function () {
+        const _ = new Blockly.Block(workspace, 'test_block_bad_colour');
       }, /colour_/);
     });
 
-    test('Use mutator as extension', function() {
+    test('Use mutator as extension', function () {
       this.extensionsCleanup_.push('mutator_test');
 
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "mutator_test_block",
-        "message0": "mutator_test_block",
-        "extensions": ["mutator_test"]
-      }]);
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': 'mutator_test_block',
+          'message0': 'mutator_test_block',
+          'extensions': ['mutator_test'],
+        },
+      ]);
 
       // Events code calls mutationToDom and expects it to give back a
       // meaningful value.
       Blockly.Events.disable();
-      chai.assert.isUndefined(Blockly.Extensions.ALL_['mutator_test']);
-      Blockly.Extensions.registerMutator('mutator_test',
-          {
-            domToMutation: function() {
-              return 'domToMutationFn';
-            },
-            mutationToDom: function() {
-              return 'mutationToDomFn';
-            }
-          });
+      chai.assert.isUndefined(
+        Blockly.Extensions.TEST_ONLY.allExtensions['mutator_test'],
+      );
+      Blockly.Extensions.registerMutator('mutator_test', {
+        domToMutation: function () {
+          return 'domToMutationFn';
+        },
+        mutationToDom: function () {
+          return 'mutationToDomFn';
+        },
+      });
 
-      var workspace = this.workspace;
-      chai.assert.throws(function() {
-        var _ = new Blockly.Block(workspace, 'mutator_test_block');
+      const workspace = this.workspace;
+      chai.assert.throws(function () {
+        const _ = new Blockly.Block(workspace, 'mutator_test_block');
       });
       // Should have failed on apply, not on register.
-      chai.assert.isNotNull(Blockly.Extensions.ALL_['mutator_test']);
+      chai.assert.isNotNull(
+        Blockly.Extensions.TEST_ONLY.allExtensions['mutator_test'],
+      );
     });
 
-    test('Use mutator mixin as extension', function() {
+    test('Use mutator mixin as extension', function () {
       this.extensionsCleanup_.push('mutator_test');
 
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "mutator_test_block",
-        "message0": "mutator_test_block",
-        "extensions": ["mutator_test"]
-      }]);
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': 'mutator_test_block',
+          'message0': 'mutator_test_block',
+          'extensions': ['mutator_test'],
+        },
+      ]);
 
       // Events code calls mutationToDom and expects it to give back a
       // meaningful value.
       Blockly.Events.disable();
-      chai.assert.isUndefined(Blockly.Extensions.ALL_['mutator_test']);
-      Blockly.Extensions.registerMixin('mutator_test',
-          {
-            domToMutation: function() {
-              return 'domToMutationFn';
-            },
-            mutationToDom: function() {
-              return 'mutationToDomFn';
-            }
-          });
+      chai.assert.isUndefined(
+        Blockly.Extensions.TEST_ONLY.allExtensions['mutator_test'],
+      );
+      Blockly.Extensions.registerMixin('mutator_test', {
+        domToMutation: function () {
+          return 'domToMutationFn';
+        },
+        mutationToDom: function () {
+          return 'mutationToDomFn';
+        },
+      });
 
-      var workspace = this.workspace;
-      chai.assert.throws(function() {
-        var _ = new Blockly.Block(workspace, 'mutator_test_block');
+      const workspace = this.workspace;
+      chai.assert.throws(function () {
+        const _ = new Blockly.Block(workspace, 'mutator_test_block');
       });
       // Should have failed on apply, not on register.
-      chai.assert.isNotNull(Blockly.Extensions.ALL_['mutator_test']);
+      chai.assert.isNotNull(
+        Blockly.Extensions.TEST_ONLY.allExtensions['mutator_test'],
+      );
     });
 
-    test('Use extension as mutator', function() {
+    test('Use extension as mutator', function () {
       this.extensionsCleanup_.push('extensions_test');
 
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "mutator_test_block",
-        "message0": "mutator_test_block",
-        "mutator": ["extensions_test"]
-      }]);
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': 'mutator_test_block',
+          'message0': 'mutator_test_block',
+          'mutator': ['extensions_test'],
+        },
+      ]);
 
       // Events code calls mutationToDom and expects it to give back a
       // meaningful value.
       Blockly.Events.disable();
-      chai.assert.isUndefined(Blockly.Extensions.ALL_['extensions_test']);
-      Blockly.Extensions.register('extensions_test', function() {
+      chai.assert.isUndefined(
+        Blockly.Extensions.TEST_ONLY.allExtensions['extensions_test'],
+      );
+      Blockly.Extensions.register('extensions_test', function () {
         return 'extensions_test_fn';
       });
 
-      var workspace = this.workspace;
-      chai.assert.throws(function() {
-        var _ = new Blockly.Block(workspace, 'mutator_test_block');
+      const workspace = this.workspace;
+      chai.assert.throws(function () {
+        const _ = new Blockly.Block(workspace, 'mutator_test_block');
       });
       // Should have failed on apply, not on register.
-      chai.assert.isNotNull(Blockly.Extensions.ALL_['extensions_test']);
+      chai.assert.isNotNull(
+        Blockly.Extensions.TEST_ONLY.allExtensions['extensions_test'],
+      );
     });
 
-    suite('register', function() {
-      test('Just a string', function() {
+    suite('register', function () {
+      test('Just a string', function () {
         this.extensionsCleanup_.push('extension_just_a_string');
-        chai.assert.isUndefined(Blockly.Extensions.ALL_['extension_just_a_string']);
-        chai.assert.throws(function() {
+        chai.assert.isUndefined(
+          Blockly.Extensions.TEST_ONLY.allExtensions['extension_just_a_string'],
+        );
+        chai.assert.throws(function () {
           Blockly.Extensions.register('extension_just_a_string', null);
         });
       });
 
-      test('Null', function() {
+      test('Null', function () {
         this.extensionsCleanup_.push('extension_is_null');
-        chai.assert.isUndefined(Blockly.Extensions.ALL_['extension_is_null']);
-        chai.assert.throws(function() {
+        chai.assert.isUndefined(
+          Blockly.Extensions.TEST_ONLY.allExtensions['extension_is_null'],
+        );
+        chai.assert.throws(function () {
           Blockly.Extensions.register('extension_is_null', null);
         });
       });
 
-      test('Undefined', function() {
+      test('Undefined', function () {
         this.extensionsCleanup_.push('extension_is_undefined');
-        chai.assert.isUndefined(Blockly.Extensions.ALL_['extension_is_undefined']);
-        chai.assert.throws(function() {
+        chai.assert.isUndefined(
+          Blockly.Extensions.TEST_ONLY.allExtensions['extension_is_undefined'],
+        );
+        chai.assert.throws(function () {
           Blockly.Extensions.register('extension_is_undefined', null);
         });
       });
     });
 
-    suite('registerMutator', function() {
-      test('No domToMutation', function() {
+    suite('registerMutator', function () {
+      test('No domToMutation', function () {
         this.extensionsCleanup_.push('mutator_test');
-        chai.assert.throws(function() {
-          Blockly.Extensions.registerMutator('mutator_test',
-              {
-                mutationToDom: function() {
-                  return 'mutationToDomFn';
-                },
-                compose: function() {
-                  return 'composeFn';
-                },
-                decompose: function() {
-                  return 'decomposeFn';
-                }
-              });
+        chai.assert.throws(function () {
+          Blockly.Extensions.registerMutator('mutator_test', {
+            mutationToDom: function () {
+              return 'mutationToDomFn';
+            },
+            compose: function () {
+              return 'composeFn';
+            },
+            decompose: function () {
+              return 'decomposeFn';
+            },
+          });
         }, /domToMutation/);
       });
 
-      test('No mutationToDom', function() {
+      test('No mutationToDom', function () {
         this.extensionsCleanup_.push('mutator_test');
-        chai.assert.throws(function() {
-          Blockly.Extensions.registerMutator('mutator_test',
-              {
-                domToMutation: function() {
-                  return 'domToMutationFn';
-                },
-                compose: function() {
-                  return 'composeFn';
-                },
-                decompose: function() {
-                  return 'decomposeFn';
-                }
-              });
+        chai.assert.throws(function () {
+          Blockly.Extensions.registerMutator('mutator_test', {
+            domToMutation: function () {
+              return 'domToMutationFn';
+            },
+            compose: function () {
+              return 'composeFn';
+            },
+            decompose: function () {
+              return 'decomposeFn';
+            },
+          });
         }, /mutationToDom/);
       });
 
-      test('Has decompose but no compose', function() {
+      test('No saveExtraState', function () {
+        this.extensionsCleanup_.push('mutator_test');
+        chai.assert.throws(function () {
+          Blockly.Extensions.registerMutator('mutator_test', {
+            loadExtraState: function () {
+              return 'loadExtraState';
+            },
+            compose: function () {
+              return 'composeFn';
+            },
+            decompose: function () {
+              return 'decomposeFn';
+            },
+          });
+        }, /saveExtraState/);
+      });
+
+      test('No loadExtraState', function () {
+        this.extensionsCleanup_.push('mutator_test');
+        chai.assert.throws(function () {
+          Blockly.Extensions.registerMutator('mutator_test', {
+            saveExtraState: function () {
+              return 'saveExtraState';
+            },
+            compose: function () {
+              return 'composeFn';
+            },
+            decompose: function () {
+              return 'decomposeFn';
+            },
+          });
+        }, /loadExtraState/);
+      });
+
+      test('No serialization hooks', function () {
+        this.extensionsCleanup_.push('mutator_test');
+        chai.assert.throws(function () {
+          Blockly.Extensions.registerMutator('mutator_test', {
+            compose: function () {
+              return 'composeFn';
+            },
+            decompose: function () {
+              return 'decomposeFn';
+            },
+          });
+        }, 'Mutations must contain either XML hooks, or JSON hooks, or both');
+      });
+
+      test('Has decompose but no compose', function () {
         this.extensionsCleanup_.push('mutator_test');
-        chai.assert.throws(function() {
-          Blockly.Extensions.registerMutator('mutator_test',
-              {
-                domToMutation: function() {
-                  return 'domToMutationFn';
-                },
-                mutationToDom: function() {
-                  return 'mutationToDomFn';
-                },
-                decompose: function() {
-                  return 'decomposeFn';
-                }
-              });
+        chai.assert.throws(function () {
+          Blockly.Extensions.registerMutator('mutator_test', {
+            domToMutation: function () {
+              return 'domToMutationFn';
+            },
+            mutationToDom: function () {
+              return 'mutationToDomFn';
+            },
+            decompose: function () {
+              return 'decomposeFn';
+            },
+          });
         }, /compose/);
       });
 
-      test('Has compose but no decompose', function() {
+      test('Has compose but no decompose', function () {
         this.extensionsCleanup_.push('mutator_test');
-        chai.assert.throws(function() {
-          Blockly.Extensions.registerMutator('mutator_test',
-              {
-                domToMutation: function() {
-                  return 'domToMutationFn';
-                },
-                mutationToDom: function() {
-                  return 'mutationToDomFn';
-                },
-                compose: function() {
-                  return 'composeFn';
-                }
-              });
+        chai.assert.throws(function () {
+          Blockly.Extensions.registerMutator('mutator_test', {
+            domToMutation: function () {
+              return 'domToMutationFn';
+            },
+            mutationToDom: function () {
+              return 'mutationToDomFn';
+            },
+            compose: function () {
+              return 'composeFn';
+            },
+          });
         }, /decompose/);
       });
     });
diff --git a/tests/mocha/field_angle_test.js b/tests/mocha/field_angle_test.js
deleted file mode 100644
index 6058aa62a20..00000000000
--- a/tests/mocha/field_angle_test.js
+++ /dev/null
@@ -1,313 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-suite('Angle Fields', function() {
-  setup(function() {
-    sharedTestSetup.call(this);
-  });
-  teardown(function() {
-    sharedTestTeardown.call(this);
-  });
-  /**
-   * Configuration for field tests with invalid values.
-   * @type {!Array<!FieldCreationTestCase>}
-   */
-  var invalidValueTestCases = [
-    {title: 'Undefined', value: undefined},
-    {title: 'Null', value: null},
-    {title: 'NaN', value: NaN},
-    {title: 'Non-Parsable String', value: 'bad'},
-    {title: 'Infinity', value: Infinity, expectedValue: Infinity},
-    {title: 'Negative Infinity', value: -Infinity, expectedValue: -Infinity},
-    {title: 'Infinity String', value: 'Infinity', expectedValue: Infinity},
-    {title: 'Negative Infinity String', value: '-Infinity',
-      expectedValue: -Infinity},
-  ];
-  /**
-   * Configuration for field tests with valid values.
-   * @type {!Array<!FieldCreationTestCase>}
-   */
-
-  var validValueTestCases = [
-    {title: 'Integer', value: 1, expectedValue: 1},
-    {title: 'Float', value: 1.5, expectedValue: 1.5},
-    {title: 'Integer String', value: '1', expectedValue: 1},
-    {title: 'Float String', value: '1.5', expectedValue: 1.5},
-    {title: '> 360°', value: 362, expectedValue: 2},
-  ];
-  var addArgsAndJson = function(testCase) {
-    testCase.args = [testCase.value];
-    testCase.json = {'angle': testCase.value};
-  };
-  invalidValueTestCases.forEach(addArgsAndJson);
-  validValueTestCases.forEach(addArgsAndJson);
-
-  /**
-   * The expected default value for the field being tested.
-   * @type {*}
-   */
-  var defaultFieldValue = 0;
-  /**
-   * Asserts that the field property values are set to default.
-   * @param {FieldTemplate} field The field to check.
-   */
-  var assertFieldDefault = function(field) {
-    testHelpers.assertFieldValue(field, defaultFieldValue);
-  };
-  /**
-   * Asserts that the field properties are correct based on the test case.
-   * @param {!Blockly.FieldAngle} field The field to check.
-   * @param {!FieldValueTestCase} testCase The test case.
-   */
-  var validTestCaseAssertField = function(field, testCase) {
-    testHelpers.assertFieldValue(field, testCase.expectedValue);
-  };
-
-  testHelpers.runConstructorSuiteTests(
-      Blockly.FieldAngle, validValueTestCases, invalidValueTestCases,
-      validTestCaseAssertField, assertFieldDefault);
-
-  testHelpers.runFromJsonSuiteTests(
-      Blockly.FieldAngle, validValueTestCases,invalidValueTestCases,
-      validTestCaseAssertField, assertFieldDefault);
-
-  suite('setValue', function() {
-    suite('Empty -> New Value', function() {
-      setup(function() {
-        this.field = new Blockly.FieldAngle();
-      });
-      testHelpers.runSetValueTests(
-          validValueTestCases, invalidValueTestCases, defaultFieldValue);
-      test('With source block', function() {
-        this.field.setSourceBlock(createTestBlock());
-        this.field.setValue(2.5);
-        testHelpers.assertFieldValue(this.field, 2.5);
-      });
-    });
-    suite('Value -> New Value', function() {
-      var initialValue = 1;
-      setup(function() {
-        this.field = new Blockly.FieldAngle(initialValue);
-      });
-      testHelpers.runSetValueTests(
-          validValueTestCases, invalidValueTestCases, initialValue);
-      test('With source block', function() {
-        this.field.setSourceBlock(createTestBlock());
-        this.field.setValue(2.5);
-        testHelpers.assertFieldValue(this.field, 2.5);
-      });
-    });
-  });
-  suite('Validators', function() {
-    setup(function() {
-      this.field = new Blockly.FieldAngle(1);
-      this.field.htmlInput_ = Object.create(null);
-      this.field.htmlInput_.oldValue_ = '1';
-      this.field.htmlInput_.untypedDefaultValue_ = 1;
-      this.stub = sinon.stub(this.field, 'resizeEditor_');
-    });
-    teardown(function() {
-      sinon.restore();
-    });
-    var testSuites = [
-      {title: 'Null Validator',
-        validator:
-            function() {
-              return null;
-            },
-        value: 2, expectedValue: 1},
-      {title: 'Force Mult of 30 Validator',
-        validator:
-            function(newValue) {
-              return Math.round(newValue / 30) * 30;
-            },
-        value: 25, expectedValue: 30},
-      {title: 'Returns Undefined Validator', validator: function() {}, value: 2,
-        expectedValue: 2},
-    ];
-    testSuites.forEach(function(suiteInfo) {
-      suite(suiteInfo.title, function() {
-        setup(function() {
-          this.field.setValidator(suiteInfo.validator);
-        });
-        test('When Editing', function() {
-          this.field.isBeingEdited_ = true;
-          this.field.htmlInput_.value = String(suiteInfo.value);
-          this.field.onHtmlInputChange_(null);
-          testHelpers.assertFieldValue(
-              this.field, suiteInfo.expectedValue, String(suiteInfo.value));
-        });
-        test('When Not Editing', function() {
-          this.field.setValue(suiteInfo.value);
-          testHelpers.assertFieldValue(this.field, suiteInfo.expectedValue);
-        });
-      });
-    });
-  });
-  suite('Customizations', function() {
-    suite('Clockwise', function() {
-      test('JS Configuration', function() {
-        var field = new Blockly.FieldAngle(0, null, {
-          clockwise: true
-        });
-        chai.assert.isTrue(field.clockwise_);
-      });
-      test('JSON Definition', function() {
-        var field = Blockly.FieldAngle.fromJson({
-          value: 0,
-          clockwise: true
-        });
-        chai.assert.isTrue(field.clockwise_);
-      });
-      test('Constant', function() {
-        // Note: Generally constants should be set at compile time, not
-        // runtime (since they are constants) but for testing purposes we
-        // can do this.
-        Blockly.FieldAngle.CLOCKWISE = true;
-        var field = new Blockly.FieldAngle();
-        chai.assert.isTrue(field.clockwise_);
-      });
-    });
-    suite('Offset', function() {
-      test('JS Configuration', function() {
-        var field = new Blockly.FieldAngle(0, null, {
-          offset: 90
-        });
-        chai.assert.equal(field.offset_, 90);
-      });
-      test('JSON Definition', function() {
-        var field = Blockly.FieldAngle.fromJson({
-          value: 0,
-          offset: 90
-        });
-        chai.assert.equal(field.offset_, 90);
-      });
-      test('Constant', function() {
-        // Note: Generally constants should be set at compile time, not
-        // runtime (since they are constants) but for testing purposes we
-        // can do this.
-        Blockly.FieldAngle.OFFSET = 90;
-        var field = new Blockly.FieldAngle();
-        chai.assert.equal(field.offset_, 90);
-      });
-      test('Null', function() {
-        // Note: Generally constants should be set at compile time, not
-        // runtime (since they are constants) but for testing purposes we
-        // can do this.
-        Blockly.FieldAngle.OFFSET = 90;
-        var field = Blockly.FieldAngle.fromJson({
-          value: 0,
-          offset: null
-        });
-        chai.assert.equal(field.offset_, 90);
-      });
-    });
-    suite('Wrap', function() {
-      test('JS Configuration', function() {
-        var field = new Blockly.FieldAngle(0, null, {
-          wrap: 180
-        });
-        chai.assert.equal(field.wrap_, 180);
-      });
-      test('JSON Definition', function() {
-        var field = Blockly.FieldAngle.fromJson({
-          value: 0,
-          wrap: 180
-        });
-        chai.assert.equal(field.wrap_, 180);
-      });
-      test('Constant', function() {
-        // Note: Generally constants should be set at compile time, not
-        // runtime (since they are constants) but for testing purposes we
-        // can do this.
-        Blockly.FieldAngle.WRAP = 180;
-        var field = new Blockly.FieldAngle();
-        chai.assert.equal(field.wrap_, 180);
-      });
-      test('Null', function() {
-        // Note: Generally constants should be set at compile time, not
-        // runtime (since they are constants) but for testing purposes we
-        // can do this.
-        Blockly.FieldAngle.WRAP = 180;
-        var field = Blockly.FieldAngle.fromJson({
-          value: 0,
-          wrap: null
-        });
-        chai.assert.equal(field.wrap_, 180);
-      });
-    });
-    suite('Round', function() {
-      test('JS Configuration', function() {
-        var field = new Blockly.FieldAngle(0, null, {
-          round: 30
-        });
-        chai.assert.equal(field.round_, 30);
-      });
-      test('JSON Definition', function() {
-        var field = Blockly.FieldAngle.fromJson({
-          value: 0,
-          round: 30
-        });
-        chai.assert.equal(field.round_, 30);
-      });
-      test('Constant', function() {
-        // Note: Generally constants should be set at compile time, not
-        // runtime (since they are constants) but for testing purposes we
-        // can do this.
-        Blockly.FieldAngle.ROUND = 30;
-        var field = new Blockly.FieldAngle();
-        chai.assert.equal(field.round_, 30);
-      });
-      test('Null', function() {
-        // Note: Generally constants should be set at compile time, not
-        // runtime (since they are constants) but for testing purposes we
-        // can do this.
-        Blockly.FieldAngle.ROUND = 30;
-        var field = Blockly.FieldAngle.fromJson({
-          value: 0,
-          round: null
-        });
-        chai.assert.equal(field.round_, 30);
-      });
-    });
-    suite('Mode', function() {
-      suite('Compass', function() {
-        test('JS Configuration', function() {
-          var field = new Blockly.FieldAngle(0, null, {
-            mode: 'compass'
-          });
-          chai.assert.equal(field.offset_, 90);
-          chai.assert.isTrue(field.clockwise_);
-        });
-        test('JS Configuration', function() {
-          var field = Blockly.FieldAngle.fromJson({
-            value: 0,
-            mode: 'compass'
-          });
-          chai.assert.equal(field.offset_, 90);
-          chai.assert.isTrue(field.clockwise_);
-        });
-      });
-      suite('Protractor', function() {
-        test('JS Configuration', function() {
-          var field = new Blockly.FieldAngle(0, null, {
-            mode: 'protractor'
-          });
-          chai.assert.equal(field.offset_, 0);
-          chai.assert.isFalse(field.clockwise_);
-        });
-        test('JS Configuration', function() {
-          var field = Blockly.FieldAngle.fromJson({
-            value: 0,
-            mode: 'protractor'
-          });
-          chai.assert.equal(field.offset_, 0);
-          chai.assert.isFalse(field.clockwise_);
-        });
-      });
-    });
-  });
-});
diff --git a/tests/mocha/field_checkbox_test.js b/tests/mocha/field_checkbox_test.js
index ba3760e2bde..4f9503d9c5b 100644
--- a/tests/mocha/field_checkbox_test.js
+++ b/tests/mocha/field_checkbox_test.js
@@ -4,18 +4,32 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Checkbox Fields', function() {
-  setup(function() {
+import * as Blockly from '../../build/src/core/blockly.js';
+import {
+  assertFieldValue,
+  runConstructorSuiteTests,
+  runFromJsonSuiteTests,
+  runSetValueTests,
+} from './test_helpers/fields.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+import {defineRowBlock} from './test_helpers/block_definitions.js';
+
+suite('Checkbox Fields', function () {
+  setup(function () {
     sharedTestSetup.call(this);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
   /**
    * Configuration for field tests with invalid values.
    * @type {!Array<!FieldCreationTestCase>}
    */
-  var invalidValueTestCases = [
+  const invalidValueTestCases = [
     {title: 'Undefined', value: undefined},
     {title: 'Null', value: null},
     {title: 'NaN', value: NaN},
@@ -29,13 +43,33 @@ suite('Checkbox Fields', function() {
    * Configuration for field tests with valid values.
    * @type {!Array<!FieldCreationTestCase>}
    */
-  var validValueTestCases = [
-    {title: 'Boolean true', value: true, expectedValue: 'TRUE'},
-    {title: 'Boolean false', value: false, expectedValue: 'FALSE'},
-    {title: 'String TRUE', value: 'TRUE', expectedValue: 'TRUE'},
-    {title: 'String FALSE', value: 'FALSE', expectedValue: 'FALSE'},
+  const validValueTestCases = [
+    {
+      title: 'Boolean true',
+      value: true,
+      expectedValue: 'TRUE',
+      expectedText: 'true',
+    },
+    {
+      title: 'Boolean false',
+      value: false,
+      expectedValue: 'FALSE',
+      expectedText: 'false',
+    },
+    {
+      title: 'String TRUE',
+      value: 'TRUE',
+      expectedValue: 'TRUE',
+      expectedText: 'true',
+    },
+    {
+      title: 'String FALSE',
+      value: 'FALSE',
+      expectedValue: 'FALSE',
+      expectedText: 'false',
+    },
   ];
-  var addArgsAndJson = function(testCase) {
+  const addArgsAndJson = function (testCase) {
     testCase.args = [testCase.value];
     testCase.json = {'checked': testCase.value};
   };
@@ -46,135 +80,137 @@ suite('Checkbox Fields', function() {
    * The expected default value for the field being tested.
    * @type {*}
    */
-  var defaultFieldValue = 'FALSE';
+  const defaultFieldValue = 'FALSE';
   /**
    * Asserts that the field property values are set to default.
-   * @param {!Blockly.FieldNumber} field The field to check.
+   * @param {!Blockly.FieldCheckbox} field The field to check.
    */
-  var assertFieldDefault = function(field) {
-    testHelpers.assertFieldValue(
-        field, defaultFieldValue, defaultFieldValue.toLowerCase());
+  const assertFieldDefault = function (field) {
+    assertFieldValue(field, defaultFieldValue, defaultFieldValue.toLowerCase());
   };
   /**
    * Asserts that the field properties are correct based on the test case.
-   * @param {!Blockly.FieldNumber} field The field to check.
+   * @param {!Blockly.FieldCheckbox} field The field to check.
    * @param {!FieldValueTestCase} testCase The test case.
    */
-  var validTestCaseAssertField = function(field, testCase) {
-    testHelpers.assertFieldValue(
-        field, testCase.expectedValue, testCase.expectedValue.toLowerCase());
+  const validTestCaseAssertField = function (field, testCase) {
+    assertFieldValue(
+      field,
+      testCase.expectedValue,
+      testCase.expectedValue.toLowerCase(),
+    );
   };
 
-  testHelpers.runConstructorSuiteTests(
-      Blockly.FieldCheckbox, validValueTestCases, invalidValueTestCases,
-      validTestCaseAssertField, assertFieldDefault);
+  runConstructorSuiteTests(
+    Blockly.FieldCheckbox,
+    validValueTestCases,
+    invalidValueTestCases,
+    validTestCaseAssertField,
+    assertFieldDefault,
+  );
 
-  testHelpers.runFromJsonSuiteTests(
-      Blockly.FieldCheckbox, validValueTestCases,invalidValueTestCases,
-      validTestCaseAssertField, assertFieldDefault);
-  
-  suite('setValue', function() {
-    suite('True -> New Value', function() {
-      setup(function() {
-        this.checkboxField = new Blockly.FieldCheckbox('TRUE');
-      });
-      test('Null', function() {
-        this.checkboxField.setValue(null);
-        testHelpers.assertFieldValue(this.checkboxField, 'TRUE', 'true');
-      });
-      test('Undefined', function() {
-        this.checkboxField.setValue(undefined);
-        testHelpers.assertFieldValue(this.checkboxField, 'TRUE', 'true');
-      });
-      test('Non-Parsable String', function() {
-        this.checkboxField.setValue('bad');
-        testHelpers.assertFieldValue(this.checkboxField, 'TRUE', 'true');
-      });
-      test('False', function() {
-        this.checkboxField.setValue('FALSE');
-        testHelpers.assertFieldValue(this.checkboxField, 'FALSE', 'false');
-      });
-      test('With source block', function() {
-        this.checkboxField.setSourceBlock(createTestBlock());
-        this.checkboxField.setValue('FALSE');
-        testHelpers.assertFieldValue(this.checkboxField, 'FALSE', 'false');
+  runFromJsonSuiteTests(
+    Blockly.FieldCheckbox,
+    validValueTestCases,
+    invalidValueTestCases,
+    validTestCaseAssertField,
+    assertFieldDefault,
+  );
+
+  suite('setValue', function () {
+    suite('True -> New Value', function () {
+      setup(function () {
+        this.field = new Blockly.FieldCheckbox('TRUE');
       });
+      runSetValueTests(
+        validValueTestCases,
+        invalidValueTestCases,
+        'TRUE',
+        'true',
+      );
     });
-    suite('False -> New Value', function() {
-      setup(function() {
-        this.checkboxField = new Blockly.FieldCheckbox('FALSE');
-      });
-      test('Null', function() {
-        this.checkboxField.setValue(null);
-        testHelpers.assertFieldValue(this.checkboxField, 'FALSE', 'false');
-      });
-      test('Undefined', function() {
-        this.checkboxField.setValue(undefined);
-        testHelpers.assertFieldValue(this.checkboxField, 'FALSE', 'false');
-      });
-      test('Non-Parsable String', function() {
-        this.checkboxField.setValue('bad');
-        testHelpers.assertFieldValue(this.checkboxField, 'FALSE', 'false');
-      });
-      test('True', function() {
-        this.checkboxField.setValue('TRUE');
-        testHelpers.assertFieldValue(this.checkboxField, 'TRUE', 'true');
+    suite('False -> New Value', function () {
+      setup(function () {
+        this.field = new Blockly.FieldCheckbox('FALSE');
       });
+      runSetValueTests(
+        validValueTestCases,
+        invalidValueTestCases,
+        'FALSE',
+        'false',
+      );
     });
   });
-  suite('Validators', function() {
-    setup(function() {
+  suite('Validators', function () {
+    setup(function () {
       this.field = new Blockly.FieldCheckbox(true);
     });
-    var testSuites = [
-      {title: 'Null Validator',
-        validator:
-            function() {
-              return null;
-            },
-        value: 'FALSE', expectedValue: 'TRUE'},
-      {title: 'Always True Validator',
-        validator:
-            function() {
-              return 'TRUE';
-            },
-        value: 'FALSE', expectedValue: 'TRUE'},
-      {title: 'Always False Validator',
-        validator:
-            function() {
-              return 'TRUE';
-            },
-        value: 'FALSE', expectedValue: 'TRUE'},
-      {title: 'Returns Undefined Validator', validator: function() {},
-        value: 'FALSE', expectedValue: 'FALSE'},
+    const testSuites = [
+      {
+        title: 'Null Validator',
+        validator: function () {
+          return null;
+        },
+        value: 'FALSE',
+        expectedValue: 'TRUE',
+      },
+      {
+        title: 'Always True Validator',
+        validator: function () {
+          return 'TRUE';
+        },
+        value: 'FALSE',
+        expectedValue: 'TRUE',
+      },
+      {
+        title: 'Always False Validator',
+        validator: function () {
+          return 'TRUE';
+        },
+        value: 'FALSE',
+        expectedValue: 'TRUE',
+      },
+      {
+        title: 'Returns Undefined Validator',
+        validator: function () {},
+        value: 'FALSE',
+        expectedValue: 'FALSE',
+      },
     ];
-    testSuites.forEach(function(suiteInfo) {
-      suite(suiteInfo.title, function() {
-        setup(function() {
+    testSuites.forEach(function (suiteInfo) {
+      suite(suiteInfo.title, function () {
+        setup(function () {
           this.field.setValidator(suiteInfo.validator);
         });
-        test('New Value', function() {
+        test('New Value', function () {
           this.field.setValue(suiteInfo.value);
-          testHelpers.assertFieldValue(
-              this.field, suiteInfo.expectedValue,
-              String(suiteInfo.expectedValue).toLowerCase());
+          assertFieldValue(
+            this.field,
+            suiteInfo.expectedValue,
+            String(suiteInfo.expectedValue).toLowerCase(),
+          );
         });
       });
     });
   });
-  suite('Customizations', function() {
-    suite('Check Character', function() {
+  suite('Customizations', function () {
+    suite('Check Character', function () {
       function assertCharacter(field, char) {
         field.fieldGroup_ = Blockly.utils.dom.createSvgElement(
-            Blockly.utils.Svg.G, {}, null);
+          Blockly.utils.Svg.G,
+          {},
+          null,
+        );
         field.sourceBlock_ = {
           RTL: false,
           rendered: true,
           workspace: {
-            keyboardAccessibilityMode: false
+            keyboardAccessibilityMode: false,
           },
-          render: function() { field.render_(); },
-          bumpNeighbours: function() {}
+          queueRender: function () {
+            field.render_();
+          },
+          bumpNeighbours: function () {},
         };
         field.constants_ = {
           FIELD_CHECKBOX_X_OFFSET: 2,
@@ -189,48 +225,77 @@ suite('Checkbox Fields', function() {
         field.render_();
         chai.assert(field.textContent_.nodeValue, char);
       }
-      test('Constant', function() {
-        var checkChar = Blockly.FieldCheckbox.CHECK_CHAR;
+      test('Constant', function () {
+        const checkChar = Blockly.FieldCheckbox.CHECK_CHAR;
         // Note: Developers shouldn't actually do this. IMO they should change
         // the file and then recompile. But this is fine for testing.
         Blockly.FieldCheckbox.CHECK_CHAR = '\u2661';
-        var field = new Blockly.FieldCheckbox(true);
+        const field = new Blockly.FieldCheckbox(true);
         assertCharacter(field, '\u2661');
         Blockly.FieldCheckbox.CHECK_CHAR = checkChar;
       });
-      test('JS Constructor', function() {
-        var field = new Blockly.FieldCheckbox(true, null, {
-          checkCharacter: '\u2661'
+      test('JS Constructor', function () {
+        const field = new Blockly.FieldCheckbox(true, null, {
+          checkCharacter: '\u2661',
         });
         assertCharacter(field, '\u2661');
       });
-      test('JSON Definition', function() {
-        var field = Blockly.FieldCheckbox.fromJson({
-          checkCharacter: '\u2661'
+      test('JSON Definition', function () {
+        const field = Blockly.FieldCheckbox.fromJson({
+          checkCharacter: '\u2661',
         });
         assertCharacter(field, '\u2661');
       });
-      test('setCheckCharacter', function() {
-        var field = new Blockly.FieldCheckbox();
+      test('setCheckCharacter', function () {
+        const field = new Blockly.FieldCheckbox();
         assertCharacter(field, Blockly.FieldCheckbox.CHECK_CHAR);
         field.setCheckCharacter('\u2661');
         // Don't call assertCharacter b/c we don't want to re-initialize.
         chai.assert.equal(field.textContent_.nodeValue, '\u2661');
       });
-      test('setCheckCharacter Before Init', function() {
-        var field = new Blockly.FieldCheckbox();
+      test('setCheckCharacter Before Init', function () {
+        const field = new Blockly.FieldCheckbox();
         field.setCheckCharacter('\u2661');
         assertCharacter(field, '\u2661');
       });
-      test('Remove Custom Character', function() {
-        var field = new Blockly.FieldCheckbox(true, null, {
-          'checkCharacter': '\u2661'
+      test('Remove Custom Character', function () {
+        const field = new Blockly.FieldCheckbox(true, null, {
+          'checkCharacter': '\u2661',
         });
         assertCharacter(field, '\u2661');
         field.setCheckCharacter(null);
-        chai.assert(field.textContent_.nodeValue,
-            Blockly.FieldCheckbox.CHECK_CHAR);
+        chai.assert(
+          field.textContent_.nodeValue,
+          Blockly.FieldCheckbox.CHECK_CHAR,
+        );
       });
     });
   });
+
+  suite('Serialization', function () {
+    setup(function () {
+      this.workspace = new Blockly.Workspace();
+      defineRowBlock();
+
+      this.assertValue = (value) => {
+        const block = this.workspace.newBlock('row_block');
+        const field = new Blockly.FieldCheckbox(value);
+        block.getInput('INPUT').appendField(field, 'CHECK');
+        const jso = Blockly.serialization.blocks.save(block);
+        chai.assert.deepEqual(jso['fields'], {'CHECK': value});
+      };
+    });
+
+    teardown(function () {
+      workspaceTeardown.call(this, this.workspace);
+    });
+
+    test('True', function () {
+      this.assertValue(true);
+    });
+
+    test('False', function () {
+      this.assertValue(false);
+    });
+  });
 });
diff --git a/tests/mocha/field_colour_test.js b/tests/mocha/field_colour_test.js
index 90f566b1d75..fcc5041bdae 100644
--- a/tests/mocha/field_colour_test.js
+++ b/tests/mocha/field_colour_test.js
@@ -4,18 +4,35 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Colour Fields', function() {
-  setup(function() {
+import * as Blockly from '../../build/src/core/blockly.js';
+import {
+  assertFieldValue,
+  runConstructorSuiteTests,
+  runFromJsonSuiteTests,
+  runSetValueTests,
+} from './test_helpers/fields.js';
+import {
+  createTestBlock,
+  defineRowBlock,
+} from './test_helpers/block_definitions.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Colour Fields', function () {
+  setup(function () {
     sharedTestSetup.call(this);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
   /**
    * Configuration for field tests with invalid values.
    * @type {!Array<!FieldCreationTestCase>}
    */
-  var invalidValueTestCases = [
+  const invalidValueTestCases = [
     {title: 'Undefined', value: undefined},
     {title: 'Null', value: null},
     {title: 'NaN', value: NaN},
@@ -30,29 +47,69 @@ suite('Colour Fields', function() {
    * @type {!Array<!FieldCreationTestCase>}
    */
 
-  var validValueTestCases = [
-    {title: '#AAAAAA', value: '#AAAAAA', expectedValue: '#aaaaaa',
-      expectedText: '#aaa'},
-    {title: '#aaaaaa', value: '#aaaaaa', expectedValue: '#aaaaaa',
-      expectedText: '#aaa'},
-    {title: '#AAAA00', value: '#AAAA00', expectedValue: '#aaaa00',
-      expectedText: '#aa0'},
-    {title: '#aaaA00', value: '#aaaA00', expectedValue: '#aaaa00',
-      expectedText: '#aa0'},
-    {title: '#BCBCBC', value: '#BCBCBC', expectedValue: '#bcbcbc',
-      expectedText: '#bcbcbc'},
-    {title: '#bcbcbc', value: '#bcbcbc', expectedValue: '#bcbcbc',
-      expectedText: '#bcbcbc'},
-    {title: '#AA0', value: '#AA0', expectedValue: '#aaaa00',
-      expectedText: '#aa0'},
-    {title: '#aa0', value: '#aa0', expectedValue: '#aaaa00',
-      expectedText: '#aa0'},
-    {title: 'rgb(170, 170, 0)', value: 'rgb(170, 170, 0)',
-      expectedValue: '#aaaa00', expectedText: '#aa0'},
-    {title: 'red', value: 'red', expectedValue: '#ff0000',
-      expectedText: '#f00'},
+  const validValueTestCases = [
+    {
+      title: '#AAAAAA',
+      value: '#AAAAAA',
+      expectedValue: '#aaaaaa',
+      expectedText: '#aaa',
+    },
+    {
+      title: '#aaaaaa',
+      value: '#aaaaaa',
+      expectedValue: '#aaaaaa',
+      expectedText: '#aaa',
+    },
+    {
+      title: '#AAAA00',
+      value: '#AAAA00',
+      expectedValue: '#aaaa00',
+      expectedText: '#aa0',
+    },
+    {
+      title: '#aaaA00',
+      value: '#aaaA00',
+      expectedValue: '#aaaa00',
+      expectedText: '#aa0',
+    },
+    {
+      title: '#BCBCBC',
+      value: '#BCBCBC',
+      expectedValue: '#bcbcbc',
+      expectedText: '#bcbcbc',
+    },
+    {
+      title: '#bcbcbc',
+      value: '#bcbcbc',
+      expectedValue: '#bcbcbc',
+      expectedText: '#bcbcbc',
+    },
+    {
+      title: '#AA0',
+      value: '#AA0',
+      expectedValue: '#aaaa00',
+      expectedText: '#aa0',
+    },
+    {
+      title: '#aa0',
+      value: '#aa0',
+      expectedValue: '#aaaa00',
+      expectedText: '#aa0',
+    },
+    {
+      title: 'rgb(170, 170, 0)',
+      value: 'rgb(170, 170, 0)',
+      expectedValue: '#aaaa00',
+      expectedText: '#aa0',
+    },
+    {
+      title: 'red',
+      value: 'red',
+      expectedValue: '#ff0000',
+      expectedText: '#f00',
+    },
   ];
-  var addArgsAndJson = function(testCase) {
+  const addArgsAndJson = function (testCase) {
     testCase.args = [testCase.value];
     testCase.json = {'colour': testCase.value};
   };
@@ -63,173 +120,146 @@ suite('Colour Fields', function() {
    * The expected default value for the field being tested.
    * @type {*}
    */
-  var defaultFieldValue = Blockly.FieldColour.COLOURS[0];
+  const defaultFieldValue = Blockly.FieldColour.COLOURS[0];
   /**
    * The expected default text for the field being tested.
    * @type {*}
    */
-  var defaultTextValue = (
-    function() {
-      var expectedText = defaultFieldValue;
-      var m = defaultFieldValue.match(/^#(.)\1(.)\2(.)\3$/);
-      if (m) {
-        expectedText = '#' + m[1] + m[2] + m[3];
-      }
-      return expectedText;
-    })();
+  const defaultTextValue = (function () {
+    let expectedText = defaultFieldValue;
+    const m = defaultFieldValue.match(/^#(.)\1(.)\2(.)\3$/);
+    if (m) {
+      expectedText = '#' + m[1] + m[2] + m[3];
+    }
+    return expectedText;
+  })();
   /**
    * Asserts that the field property values are set to default.
    * @param {FieldTemplate} field The field to check.
    */
-  var assertFieldDefault = function(field) {
-    testHelpers.assertFieldValue(field, defaultFieldValue, defaultTextValue);
+  const assertFieldDefault = function (field) {
+    assertFieldValue(field, defaultFieldValue, defaultTextValue);
   };
   /**
    * Asserts that the field properties are correct based on the test case.
    * @param {!Blockly.FieldAngle} field The field to check.
    * @param {!FieldValueTestCase} testCase The test case.
    */
-  var validTestCaseAssertField = function(field, testCase) {
-    testHelpers.assertFieldValue(
-        field, testCase.expectedValue, testCase.expectedText);
+  const validTestCaseAssertField = function (field, testCase) {
+    assertFieldValue(field, testCase.expectedValue, testCase.expectedText);
   };
 
-  testHelpers.runConstructorSuiteTests(
-      Blockly.FieldColour, validValueTestCases, invalidValueTestCases,
-      validTestCaseAssertField, assertFieldDefault);
+  runConstructorSuiteTests(
+    Blockly.FieldColour,
+    validValueTestCases,
+    invalidValueTestCases,
+    validTestCaseAssertField,
+    assertFieldDefault,
+  );
 
-  testHelpers.runFromJsonSuiteTests(
-      Blockly.FieldColour, validValueTestCases,invalidValueTestCases,
-      validTestCaseAssertField, assertFieldDefault);
-  
-  suite('setValue', function() {
-    suite('Empty -> New Value', function() {
-      setup(function() {
-        this.colourField = new Blockly.FieldColour();
-      });
-      test('Null', function() {
-        this.colourField.setValue(null);
-        assertFieldDefault(this.colourField);
-      });
-      test('Undefined', function() {
-        this.colourField.setValue(undefined);
-        assertFieldDefault(this.colourField);
-      });
-      test('Non-Parsable String', function() {
-        this.colourField.setValue('not_a_colour');
-        assertFieldDefault(this.colourField);
-      });
-      test('#000000', function() {
-        this.colourField.setValue('#000000');
-        testHelpers.assertFieldValue(this.colourField, '#000000', '#000');
-      });
-      test('#bcbcbc', function() {
-        this.colourField.setValue('#bcbcbc');
-        testHelpers.assertFieldValue(this.colourField, '#bcbcbc', '#bcbcbc');
-      });
-      test('#aa0', function() {
-        this.colourField.setValue('#aa0');
-        testHelpers.assertFieldValue(this.colourField, '#aaaa00', '#aa0');
-      });
-      test('rgb(170, 170, 0)', function() {
-        this.colourField.setValue('rgb(170, 170, 0)');
-        testHelpers.assertFieldValue(this.colourField, '#aaaa00', '#aa0');
-      });
-      test('red', function() {
-        this.colourField.setValue('red');
-        testHelpers.assertFieldValue(this.colourField, '#ff0000', '#f00');
+  runFromJsonSuiteTests(
+    Blockly.FieldColour,
+    validValueTestCases,
+    invalidValueTestCases,
+    validTestCaseAssertField,
+    assertFieldDefault,
+  );
+
+  suite('setValue', function () {
+    suite('Empty -> New Value', function () {
+      setup(function () {
+        this.field = new Blockly.FieldColour();
       });
-      test('With source block', function() {
-        this.colourField.setSourceBlock(createTestBlock());
-        this.colourField.setValue('#bcbcbc');
-        testHelpers.assertFieldValue(this.colourField, '#bcbcbc', '#bcbcbc');
+      runSetValueTests(
+        validValueTestCases,
+        invalidValueTestCases,
+        defaultFieldValue,
+        defaultTextValue,
+      );
+      test('With source block', function () {
+        this.field.setSourceBlock(createTestBlock());
+        this.field.setValue('#bcbcbc');
+        assertFieldValue(this.field, '#bcbcbc', '#bcbcbc');
       });
     });
-    suite('Value -> New Value', function() {
-      setup(function() {
-        this.colourField = new Blockly.FieldColour('#aaaaaa');
-      });
-      test('Null', function() {
-        this.colourField.setValue(null);
-        testHelpers.assertFieldValue(this.colourField, '#aaaaaa', '#aaa');
-      });
-      test('Undefined', function() {
-        this.colourField.setValue(undefined);
-        testHelpers.assertFieldValue(this.colourField, '#aaaaaa', '#aaa');
-      });
-      test('Non-Parsable String', function() {
-        this.colourField.setValue('not_a_colour');
-        testHelpers.assertFieldValue(this.colourField, '#aaaaaa', '#aaa');
+    suite('Value -> New Value', function () {
+      setup(function () {
+        this.field = new Blockly.FieldColour('#aaaaaa');
       });
-      test('#000000', function() {
-        this.colourField.setValue('#000000');
-        testHelpers.assertFieldValue(this.colourField, '#000000', '#000');
-      });
-      test('#bcbcbc', function() {
-        this.colourField.setValue('#bcbcbc');
-        testHelpers.assertFieldValue(this.colourField, '#bcbcbc', '#bcbcbc');
-      });
-      test('#aa0', function() {
-        this.colourField.setValue('#aa0');
-        testHelpers.assertFieldValue(this.colourField, '#aaaa00', '#aa0');
-      });
-      test('rgb(170, 170, 0)', function() {
-        this.colourField.setValue('rgb(170, 170, 0)');
-        testHelpers.assertFieldValue(this.colourField, '#aaaa00', '#aa0');
-      });
-      test('red', function() {
-        this.colourField.setValue('red');
-        testHelpers.assertFieldValue(this.colourField, '#ff0000', '#f00');
+      runSetValueTests(
+        validValueTestCases,
+        invalidValueTestCases,
+        '#aaaaaa',
+        '#aaa',
+      );
+      test('With source block', function () {
+        this.field.setSourceBlock(createTestBlock());
+        this.field.setValue('#bcbcbc');
+        assertFieldValue(this.field, '#bcbcbc', '#bcbcbc');
       });
     });
   });
-  suite('Validators', function() {
-    setup(function() {
+  suite('Validators', function () {
+    setup(function () {
       this.field = new Blockly.FieldColour('#aaaaaa');
     });
-    var testSuites = [
-      {title: 'Null Validator',
-        validator:
-            function() {
-              return null;
-            },
-        value: '#000000', expectedValue: '#aaaaaa', expectedText: '#aaa'},
-      {title: 'Force Full Red Validator',
-        validator:
-            function(newValue) {
-              return '#ff' + newValue.substr(3, 4);
-            },
-        value: '#000000', expectedValue: '#ff0000', expectedText: '#f00'},
-      {title: 'Returns Undefined Validator', validator: function() {},
-        value: '#000000', expectedValue: '#000000', expectedText: '#000'},
+    const testSuites = [
+      {
+        title: 'Null Validator',
+        validator: function () {
+          return null;
+        },
+        value: '#000000',
+        expectedValue: '#aaaaaa',
+        expectedText: '#aaa',
+      },
+      {
+        title: 'Force Full Red Validator',
+        validator: function (newValue) {
+          return '#ff' + newValue.substr(3, 4);
+        },
+        value: '#000000',
+        expectedValue: '#ff0000',
+        expectedText: '#f00',
+      },
+      {
+        title: 'Returns Undefined Validator',
+        validator: function () {},
+        value: '#000000',
+        expectedValue: '#000000',
+        expectedText: '#000',
+      },
     ];
-    testSuites.forEach(function(suiteInfo) {
-      suite(suiteInfo.title, function() {
-        setup(function() {
+    testSuites.forEach(function (suiteInfo) {
+      suite(suiteInfo.title, function () {
+        setup(function () {
           this.field.setValidator(suiteInfo.validator);
         });
-        test('New Value', function() {
+        test('New Value', function () {
           this.field.setValue(suiteInfo.value);
-          testHelpers.assertFieldValue(
-              this.field, suiteInfo.expectedValue, suiteInfo.expectedText);
+          assertFieldValue(
+            this.field,
+            suiteInfo.expectedValue,
+            suiteInfo.expectedText,
+          );
         });
       });
     });
   });
-  suite('Customizations', function() {
-    suite('Colours and Titles', function() {
+  suite('Customizations', function () {
+    suite('Colours and Titles', function () {
       function assertColoursAndTitles(field, colours, titles) {
-        var editor = field.dropdownCreate_();
-        var index = 0;
-        var node = editor.firstChild.firstChild;
+        field.dropdownCreate();
+        let index = 0;
+        let node = field.picker.firstChild.firstChild;
         while (node) {
           chai.assert.equal(node.getAttribute('title'), titles[index]);
           chai.assert.equal(
-              Blockly.utils.colour.parse(
-                  node.style.backgroundColor),
-              colours[index]);
+            Blockly.utils.colour.parse(node.style.backgroundColor),
+            colours[index],
+          );
 
-          var nextNode = node.nextSibling;
+          let nextNode = node.nextSibling;
           if (!nextNode) {
             nextNode = node.parentElement.nextSibling;
             if (!nextNode) {
@@ -242,93 +272,123 @@ suite('Colour Fields', function() {
           index++;
         }
       }
-      test('Constants', function() {
-        var colours = Blockly.FieldColour.COLOURS;
-        var titles = Blockly.FieldColour.TITLES;
+      test('Constants', function () {
+        const colours = Blockly.FieldColour.COLOURS;
+        const titles = Blockly.FieldColour.TITLES;
         // Note: Developers shouldn't actually do this. IMO they should
         // change the file and then recompile. But this is fine for testing.
         Blockly.FieldColour.COLOURS = ['#aaaaaa'];
         Blockly.FieldColour.TITLES = ['grey'];
-        var field = new Blockly.FieldColour();
+        const field = new Blockly.FieldColour();
 
         assertColoursAndTitles(field, ['#aaaaaa'], ['grey']);
 
         Blockly.FieldColour.COLOURS = colours;
         Blockly.FieldColour.TITLES = titles;
       });
-      test('JS Constructor', function() {
-        var field = new Blockly.FieldColour('#aaaaaa', null, {
+      test('JS Constructor', function () {
+        const field = new Blockly.FieldColour('#aaaaaa', null, {
           colourOptions: ['#aaaaaa'],
-          colourTitles: ['grey']
+          colourTitles: ['grey'],
         });
         assertColoursAndTitles(field, ['#aaaaaa'], ['grey']);
       });
-      test('JSON Definition', function() {
-        var field = Blockly.FieldColour.fromJson({
+      test('JSON Definition', function () {
+        const field = Blockly.FieldColour.fromJson({
           colour: '#aaaaaa',
           colourOptions: ['#aaaaaa'],
-          colourTitles: ['grey']
+          colourTitles: ['grey'],
         });
         assertColoursAndTitles(field, ['#aaaaaa'], ['grey']);
       });
-      test('setColours', function() {
-        var field = new Blockly.FieldColour();
+      test('setColours', function () {
+        const field = new Blockly.FieldColour();
         field.setColours(['#aaaaaa'], ['grey']);
         assertColoursAndTitles(field, ['#aaaaaa'], ['grey']);
       });
-      test('Titles Undefined', function() {
-        var field = new Blockly.FieldColour();
+      test('Titles Undefined', function () {
+        const field = new Blockly.FieldColour();
         field.setColours(['#aaaaaa']);
         assertColoursAndTitles(field, ['#aaaaaa'], ['#aaaaaa']);
       });
-      test('Some Titles Undefined', function() {
-        var field = new Blockly.FieldColour();
+      test('Some Titles Undefined', function () {
+        const field = new Blockly.FieldColour();
         field.setColours(['#aaaaaa', '#ff0000'], ['grey']);
-        assertColoursAndTitles(field,
-            ['#aaaaaa', '#ff0000'], ['grey', '#ff0000']);
+        assertColoursAndTitles(
+          field,
+          ['#aaaaaa', '#ff0000'],
+          ['grey', '#ff0000'],
+        );
       });
       // This is kinda derpy behavior, but I wanted to document it.
-      test('Overwriting Colours While Leaving Titles', function() {
-        var field = new Blockly.FieldColour();
+      test('Overwriting Colours While Leaving Titles', function () {
+        const field = new Blockly.FieldColour();
         field.setColours(['#aaaaaa'], ['grey']);
         field.setColours(['#ff0000']);
         assertColoursAndTitles(field, ['#ff0000'], ['grey']);
       });
     });
-    suite('Columns', function() {
+    suite('Columns', function () {
       function assertColumns(field, columns) {
-        var editor = field.dropdownCreate_();
-        chai.assert.equal(editor.firstChild.children.length, columns);
+        field.dropdownCreate();
+        chai.assert.equal(field.picker.firstChild.children.length, columns);
       }
-      test('Constants', function() {
-        var columns = Blockly.FieldColour.COLUMNS;
+      test('Constants', function () {
+        const columns = Blockly.FieldColour.COLUMNS;
         // Note: Developers shouldn't actually do this. IMO they should edit
-        // the file and tehn recompile. But this is fine for testing.
+        // the file and then recompile. But this is fine for testing.
         Blockly.FieldColour.COLUMNS = 3;
-        var field = new Blockly.FieldColour();
+        const field = new Blockly.FieldColour();
 
         assertColumns(field, 3);
 
         Blockly.FieldColour.COLUMNS = columns;
       });
-      test('JS Constructor', function() {
-        var field = new Blockly.FieldColour('#ffffff', null, {
-          columns: 3
+      test('JS Constructor', function () {
+        const field = new Blockly.FieldColour('#ffffff', null, {
+          columns: 3,
         });
         assertColumns(field, 3);
       });
-      test('JSON Definition', function() {
-        var field = Blockly.FieldColour.fromJson({
+      test('JSON Definition', function () {
+        const field = Blockly.FieldColour.fromJson({
           'colour': '#ffffff',
-          'columns': 3
+          'columns': 3,
         });
         assertColumns(field, 3);
       });
-      test('setColumns', function() {
-        var field = new Blockly.FieldColour();
+      test('setColumns', function () {
+        const field = new Blockly.FieldColour();
         field.setColumns(3);
         assertColumns(field, 3);
       });
     });
   });
+
+  suite('Serialization', function () {
+    setup(function () {
+      this.workspace = new Blockly.Workspace();
+      defineRowBlock();
+
+      this.assertValue = (value) => {
+        const block = this.workspace.newBlock('row_block');
+        const field = new Blockly.FieldColour(value);
+        block.getInput('INPUT').appendField(field, 'COLOUR');
+        const jso = Blockly.serialization.blocks.save(block);
+        chai.assert.deepEqual(jso['fields'], {'COLOUR': value});
+      };
+    });
+
+    teardown(function () {
+      workspaceTeardown.call(this, this.workspace);
+    });
+
+    test('Three char', function () {
+      this.assertValue('#001122');
+    });
+
+    test('Six char', function () {
+      this.assertValue('#012345');
+    });
+  });
 });
diff --git a/tests/mocha/field_dropdown_test.js b/tests/mocha/field_dropdown_test.js
index 3bd37414135..6162112876c 100644
--- a/tests/mocha/field_dropdown_test.js
+++ b/tests/mocha/field_dropdown_test.js
@@ -4,201 +4,278 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Dropdown Fields', function() {
-  setup(function() {
+import * as Blockly from '../../build/src/core/blockly.js';
+import {
+  assertFieldValue,
+  runConstructorSuiteTests,
+  runFromJsonSuiteTests,
+  runSetValueTests,
+} from './test_helpers/fields.js';
+import {
+  createTestBlock,
+  defineRowBlock,
+} from './test_helpers/block_definitions.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Dropdown Fields', function () {
+  setup(function () {
     sharedTestSetup.call(this);
+
+    // Invalid value test are expected to log errors.
+    const nativeConsoleError = console.error;
+    this.nativeConsoleError = nativeConsoleError;
+    console.error = function (msg) {
+      if (!msg.includes('Each FieldDropdown option')) {
+        nativeConsoleError.call(this, ...arguments);
+      }
+    };
   });
-  teardown(function() {
+  teardown(function () {
+    console.error = this.nativeConsoleError;
     sharedTestTeardown.call(this);
   });
-  function assertValue(dropdownField, expectedValue, expectedText) {
-    var actualValue = dropdownField.getValue();
-    var actualText = dropdownField.getText();
-    chai.assert.equal(actualValue, expectedValue);
-    chai.assert.equal(actualText, expectedText);
-  }
-  suite('Constructor', function() {
-    test('Empty', function() {
-      chai.assert.throws(function() {
-        new Blockly.FieldDropdown();
-      });
-    });
-    test('Undefined', function() {
-      chai.assert.throws(function() {
-        new Blockly.FieldDropdown(undefined);
-      });
-    });
-    test('Array Items not Arrays', function() {
-      var stub = sinon.stub(console, 'error');
-      chai.assert.throws(function() {
-        new Blockly.FieldDropdown([1, 2, 3]);
-      });
-      sinon.assert.calledThrice(stub);
-      stub.restore();
-    });
-    test('Array Items with Invalid IDs', function() {
-      var stub = sinon.stub(console, 'error');
-      chai.assert.throws(function() {
-        new Blockly.FieldDropdown([['1', 1], ['2', 2], ['3', 3]]);
-      });
-      sinon.assert.calledThrice(stub);
-      stub.restore();
-    });
-    test('Array Items with Invalid Content', function() {
-      var stub = sinon.stub(console, 'error');
-      chai.assert.throws(function() {
-        new Blockly.FieldDropdown([[1, '1'], [2, '2'], [3, '3']]);
-      });
-      sinon.assert.calledThrice(stub);
-      stub.restore();
-    });
-    test('Text Dropdown', function() {
-      var dropdownField = new Blockly.FieldDropdown(
-          [['a', 'A'], ['b', 'B'], ['c', 'C']]);
-      assertValue(dropdownField, 'A', 'a');
-    });
-    test('Image Dropdown', function() {
-      var dropdownField = new Blockly.FieldDropdown([
-        [{ src:'scrA', alt:'a' }, 'A'],
-        [{ src:'scrB', alt:'b' }, 'B'],
-        [{ src:'scrC', alt:'c' }, 'C']]);
-      assertValue(dropdownField, 'A', 'a');
-    });
-    test('Dynamic Dropdown Text', function() {
-      var dynamicDropdownFunc = function() {
-        return [['a', 'A'], ['b', 'B'], ['c', 'C']];
-      };
-      var dropdownField = new Blockly.FieldDropdown(dynamicDropdownFunc);
-      assertValue(dropdownField, 'A', 'a');
-    });
-    test('Dynamic Dropdown Image', function() {
-      var dynamicDropdownFunc = function() {
-        return [
-          [{ src:'scrA', alt:'a' }, 'A'],
-          [{ src:'scrB', alt:'b' }, 'B'],
-          [{ src:'scrC', alt:'c' }, 'C']
-        ];
-      };
-      var dropdownField = new Blockly.FieldDropdown(dynamicDropdownFunc);
-      assertValue(dropdownField, 'A', 'a');
-    });
-  });
-  suite('fromJson', function() {
-    test('Empty', function() {
-      chai.assert.throws(function() {
-        Blockly.FieldDropdown.fromJson({});
-      });
-    });
-    test('Undefined', function() {
-      chai.assert.throws(function() {
-        Blockly.FieldDropdown.fromJson({ options: undefined });
-      });
-    });
-    test('Array Items not Arrays', function() {
-      var stub = sinon.stub(console, 'error');
-      chai.assert.throws(function() {
-        Blockly.FieldDropdown.fromJson({ options: [1, 2, 3] });
-      });
-      sinon.assert.calledThrice(stub);
-      stub.restore();
-    });
-    test('Array Items with Invalid IDs', function() {
-      var stub = sinon.stub(console, 'error');
-      chai.assert.throws(function() {
-        Blockly.FieldDropdown.fromJson(
-            { options:[['1', 1], ['2', 2], ['3', 3]] });
-      });
-      sinon.assert.calledThrice(stub);
-      stub.restore();
-    });
-    test('Array Items with Invalid Content', function() {
-      var stub = sinon.stub(console, 'error');
-      chai.assert.throws(function() {
-        Blockly.FieldDropdown.fromJson(
-            { options:[[1, '1'], [2, '2'], [3, '3']] });
-      });
-      sinon.assert.calledThrice(stub);
-      stub.restore();
-    });
-    test('Text Dropdown', function() {
-      var dropdownField = Blockly.FieldDropdown.fromJson(
-          { options:[['a', 'A'], ['b', 'B'], ['c', 'C']] });
-      assertValue(dropdownField, 'A', 'a');
-    });
-    test('Image Dropdown', function() {
-      var dropdownField = Blockly.FieldDropdown.fromJson({ options:[
-        [{ src:'scrA', alt:'a' }, 'A'],
-        [{ src:'scrB', alt:'b' }, 'B'],
-        [{ src:'scrC', alt:'c' }, 'C']] });
-      assertValue(dropdownField, 'A', 'a');
-    });
-  });
-  suite('setValue', function() {
-    setup(function() {
-      this.dropdownField = new Blockly.FieldDropdown(
-          [['a', 'A'], ['b', 'B'], ['c', 'C']]);
-    });
-    test('Null', function() {
-      this.dropdownField.setValue(null);
-      assertValue(this.dropdownField, 'A', 'a');
-    });
-    test('Undefined', function() {
-      this.dropdownField.setValue(undefined);
-      assertValue(this.dropdownField, 'A', 'a');
-    });
-    test('Invalid ID', function() {
-      this.dropdownField.setValue('bad');
-      assertValue(this.dropdownField, 'A', 'a');
-    });
-    test('Valid ID', function() {
-      this.dropdownField.setValue('B');
-      assertValue(this.dropdownField, 'B', 'b');
+  /**
+   * Configuration for field tests with invalid values.
+   * @type {!Array<!FieldCreationTestCase>}
+   */
+  const invalidValueCreationTestCases = [
+    {title: 'Undefined', args: [undefined]},
+    {title: 'Array Items not Arrays', args: [undefined]},
+    {
+      title: 'Array Items with Invalid IDs',
+      args: [
+        [
+          ['1', 1],
+          ['2', 2],
+          ['3', 3],
+        ],
+      ],
+    },
+    {
+      title: 'Array Items with Invalid Content',
+      args: [
+        [
+          [1, '1'],
+          [2, '2'],
+          [3, '3'],
+        ],
+      ],
+    },
+  ];
+  /**
+   * Configuration for field tests with valid values.
+   * @type {!Array<!FieldCreationTestCase>}
+   */
+  const validValueCreationTestCases = [
+    {
+      title: 'Text Dropdown',
+      value: 'A',
+      expectedValue: 'A',
+      expectedText: 'a',
+      args: [
+        [
+          ['a', 'A'],
+          ['b', 'B'],
+          ['c', 'C'],
+        ],
+      ],
+    },
+    {
+      title: 'Image Dropdown',
+      value: 'A',
+      expectedValue: 'A',
+      expectedText: 'a',
+      args: [
+        [
+          [{src: 'scrA', alt: 'a'}, 'A'],
+          [{src: 'scrB', alt: 'b'}, 'B'],
+          [{src: 'scrC', alt: 'c'}, 'C'],
+        ],
+      ],
+    },
+    {
+      title: 'Dynamic Text Dropdown',
+      value: 'A',
+      expectedValue: 'A',
+      expectedText: 'a',
+      args: [
+        () => {
+          return [
+            ['a', 'A'],
+            ['b', 'B'],
+            ['c', 'C'],
+          ];
+        },
+      ],
+    },
+    {
+      title: 'Dynamic Image Dropdown',
+      value: 'A',
+      expectedValue: 'A',
+      expectedText: 'a',
+      args: [
+        () => {
+          return [
+            [{src: 'scrA', alt: 'a'}, 'A'],
+            [{src: 'scrB', alt: 'b'}, 'B'],
+            [{src: 'scrC', alt: 'c'}, 'C'],
+          ];
+        },
+      ],
+    },
+  ];
+  const addJson = function (testCase) {
+    testCase.json = {'options': testCase.args[0]};
+  };
+  invalidValueCreationTestCases.forEach(addJson);
+  validValueCreationTestCases.forEach(addJson);
+
+  /**
+   * Asserts that the field properties are correct based on the test case.
+   * @param {!Blockly.FieldDropdown} field The field to check.
+   * @param {!FieldValueTestCase} testCase The test case.
+   */
+  const validTestCaseAssertField = function (field, testCase) {
+    assertFieldValue(field, testCase.expectedValue, testCase.expectedText);
+  };
+
+  runConstructorSuiteTests(
+    Blockly.FieldDropdown,
+    validValueCreationTestCases,
+    invalidValueCreationTestCases,
+    validTestCaseAssertField,
+  );
+
+  runFromJsonSuiteTests(
+    Blockly.FieldDropdown,
+    validValueCreationTestCases,
+    invalidValueCreationTestCases,
+    validTestCaseAssertField,
+  );
+
+  /**
+   * Configuration for field tests with invalid values.
+   * @type {!Array<!FieldCreationTestCase>}
+   */
+  const invalidValueSetValueTestCases = [
+    {title: 'Null', value: null},
+    {title: 'Undefined', value: undefined},
+    {title: 'Invalid ID', value: 'bad'},
+  ];
+  /**
+   * Configuration for field tests with valid values.
+   * @type {!Array<!FieldValueTestCase>}
+   */
+  const validValueSetValueTestCases = [
+    {title: 'Valid ID', value: 'B', expectedValue: 'B', expectedText: 'b'},
+  ];
+
+  suite('setValue', function () {
+    setup(function () {
+      this.field = new Blockly.FieldDropdown([
+        ['a', 'A'],
+        ['b', 'B'],
+        ['c', 'C'],
+      ]);
     });
-    test('With source block', function() {
-      this.dropdownField.setSourceBlock(createTestBlock());
-      this.dropdownField.setValue('B');
-      assertValue(this.dropdownField, 'B', 'b');
+    runSetValueTests(
+      validValueSetValueTestCases,
+      invalidValueSetValueTestCases,
+      'A',
+      'a',
+    );
+    test('With source block', function () {
+      this.field.setSourceBlock(createTestBlock());
+      this.field.setValue('B');
+      assertFieldValue(this.field, 'B', 'b');
     });
   });
-  suite('Validators', function() {
-    setup(function() {
+
+  suite('Validators', function () {
+    setup(function () {
       this.dropdownField = new Blockly.FieldDropdown([
-        ["1a","1A"], ["1b","1B"], ["1c","1C"],
-        ["2a","2A"], ["2b","2B"], ["2c","2C"]]);
+        ['1a', '1A'],
+        ['1b', '1B'],
+        ['1c', '1C'],
+        ['2a', '2A'],
+        ['2b', '2B'],
+        ['2c', '2C'],
+      ]);
     });
-    teardown(function() {
+    teardown(function () {
       this.dropdownField.setValidator(null);
     });
-    suite('Null Validator', function() {
-      setup(function() {
-        this.dropdownField.setValidator(function() {
+    suite('Null Validator', function () {
+      setup(function () {
+        this.dropdownField.setValidator(function () {
           return null;
         });
       });
-      test('New Value', function() {
+      test('New Value', function () {
         this.dropdownField.setValue('1B');
-        assertValue(this.dropdownField, '1A', '1a');
+        assertFieldValue(this.dropdownField, '1A', '1a');
       });
     });
-    suite('Force 1s Validator', function() {
-      setup(function() {
-        this.dropdownField.setValidator(function(newValue) {
+    suite('Force 1s Validator', function () {
+      setup(function () {
+        this.dropdownField.setValidator(function (newValue) {
           return '1' + newValue.charAt(1);
         });
       });
-      test('New Value', function() {
+      test('New Value', function () {
         this.dropdownField.setValue('2B');
-        assertValue(this.dropdownField, '1B', '1b');
+        assertFieldValue(this.dropdownField, '1B', '1b');
       });
     });
-    suite('Returns Undefined Validator', function() {
-      setup(function() {
-        this.dropdownField.setValidator(function() {});
+    suite('Returns Undefined Validator', function () {
+      setup(function () {
+        this.dropdownField.setValidator(function () {});
       });
-      test('New Value', function() {
+      test('New Value', function () {
         this.dropdownField.setValue('1B');
-        assertValue(this.dropdownField, '1B', '1b');
+        assertFieldValue(this.dropdownField, '1B', '1b');
       });
     });
   });
+
+  suite('Serialization', function () {
+    setup(function () {
+      this.workspace = new Blockly.Workspace();
+      defineRowBlock();
+
+      this.assertValue = (value, field) => {
+        const block = this.workspace.newBlock('row_block');
+        field.setValue(value);
+        block.getInput('INPUT').appendField(field, 'DROPDOWN');
+        const jso = Blockly.serialization.blocks.save(block);
+        chai.assert.deepEqual(jso['fields'], {'DROPDOWN': value});
+      };
+    });
+
+    teardown(function () {
+      workspaceTeardown.call(this, this.workspace);
+    });
+
+    test('Simple', function () {
+      const field = new Blockly.FieldDropdown([
+        ['apple', 'A'],
+        ['ball', 'B'],
+        ['carrot', 'C'],
+      ]);
+      this.assertValue('C', field);
+    });
+
+    test('Dynamic', function () {
+      const field = new Blockly.FieldDropdown(() => [
+        ['apple', 'A'],
+        ['ball', 'B'],
+        ['carrot', 'C'],
+      ]);
+      this.assertValue('C', field);
+    });
+  });
 });
diff --git a/tests/mocha/field_image_test.js b/tests/mocha/field_image_test.js
index bcdae89999b..ec8ad222712 100644
--- a/tests/mocha/field_image_test.js
+++ b/tests/mocha/field_image_test.js
@@ -4,238 +4,234 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Image Fields', function() {
-  setup(function() {
+import * as Blockly from '../../build/src/core/blockly.js';
+import {
+  assertFieldValue,
+  runConstructorSuiteTests,
+  runFromJsonSuiteTests,
+  runSetValueTests,
+} from './test_helpers/fields.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Image Fields', function () {
+  setup(function () {
     sharedTestSetup.call(this);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
-  function assertValue(imageField, expectedValue, expectedText) {
-    var actualValue = imageField.getValue();
-    var actualText = imageField.getText();
-    chai.assert.equal(actualValue, expectedValue);
-    chai.assert.equal(actualText, expectedText);
-  }
-  suite('Constructor', function() {
-    test('Empty', function() {
-      chai.assert.throws(function() {
-        new Blockly.FieldImage();
-      });
-    });
-    test('Undefined Src', function() {
-      chai.assert.throws(function() {
-        new Blockly.FieldImage(undefined, 1, 1);
-      });
-    });
-    test('Undefined Size', function() {
-      chai.assert.throws(function() {
-        new Blockly.FieldImage('src', undefined, undefined);
-      });
-    });
-    test('Zero Size', function() {
-      chai.assert.throws(function() {
-        new Blockly.FieldImage('src', 0, 0);
-      });
-    });
-    test('Non-Parsable String for Size', function() {
-      chai.assert.throws(function() {
-        new Blockly.FieldImage('src', 'bad', 'bad');
-      });
-    });
-    test('With Alt', function() {
-      var imageField = new Blockly.FieldImage('src', 1, 1, 'alt');
-      assertValue(imageField, 'src', 'alt');
-    });
-    test('Without Alt', function() {
-      var imageField = new Blockly.FieldImage('src', 1, 1);
-      assertValue(imageField, 'src', '');
-    });
-  });
-  suite('fromJson', function() {
-    test('Empty', function() {
-      chai.assert.throws(function() {
-        Blockly.FieldImage.fromJson({});
-      });
-    });
-    test('Undefined Src', function() {
-      chai.assert.throws(function() {
-        Blockly.FieldImage.fromJson({
-          src: undefined,
-          width: 1,
-          height: 1
-        });
-      });
-    });
-    test('Undefined Size', function() {
-      chai.assert.throws(function() {
-        Blockly.FieldImage.fromJson({
-          src: 'src',
-          width: undefined,
-          height: undefined
-        });
-      });
-    });
-    test('Non-Parsable String for Size', function() {
-      chai.assert.throws(function() {
-        Blockly.FieldImage.fromJson({
-          src: 'src',
-          width: 'bad',
-          height: 'bad'
-        });
-      });
-    });
-    test('With Alt', function() {
-      var imageField = Blockly.FieldImage.fromJson({
-        src: 'src',
-        width: 1,
-        height: 1,
-        alt: 'alt'
-      });
-      assertValue(imageField, 'src', 'alt');
-    });
-    test('Without Alt', function() {
-      var imageField = Blockly.FieldImage.fromJson({
-        src: 'src',
-        width: 1,
-        height: 1
-      });
-      assertValue(imageField, 'src', '');
-    });
-  });
-  suite('setValue', function() {
-    setup(function() {
-      this.imageField = new Blockly.FieldImage('src', 1, 1, 'alt');
-    });
-    test('Null', function() {
-      this.imageField.setValue(null);
-      assertValue(this.imageField, 'src', 'alt');
-    });
-    test('Undefined', function() {
-      this.imageField.setValue(undefined);
-      assertValue(this.imageField, 'src', 'alt');
-    });
-    test('Good Src', function() {
-      this.imageField.setValue('newSrc');
-      assertValue(this.imageField, 'newSrc', 'alt');
-    });
+  /**
+   * Configuration for field tests with invalid values.
+   * @type {!Array<!FieldCreationTestCase>}
+   */
+  const invalidValueTestCases = [
+    {
+      title: 'Undefined Size',
+      value: 'src',
+      args: ['src', undefined, undefined],
+    },
+    {title: 'Zero Size', value: 'src', args: ['src', 0, 0]},
+    {
+      title: 'Non-Parsable String for Size',
+      value: 'src',
+      args: ['src', 'bad', 'bad'],
+    },
+  ];
+  /**
+   * Configuration for field tests with valid values.
+   * @type {!Array<!FieldCreationTestCase>}
+   */
+  const validValueCreationTestCases = [
+    {
+      title: 'With Alt',
+      value: 'src',
+      expectedValue: 'src',
+      args: ['src', 1, 1, 'alt'],
+      expectedText: 'alt',
+    },
+    {
+      title: 'Without Alt',
+      value: 'src',
+      expectedValue: 'src',
+      args: ['src', 1, 1],
+      expectedText: '',
+    },
+  ];
+  /**
+   * Adds json property to test cases based on args property.
+   * @param {!Array<!FieldCreationTestCase>} testCase The test case to modify.
+   */
+  const addJson = function (testCase) {
+    testCase.json = {
+      'src': testCase.args[0],
+      'width': testCase.args[1],
+      'height': testCase.args[2],
+    };
+    if (testCase.args[3]) {
+      testCase.json['alt'] = testCase.args[3];
+    }
+  };
+  invalidValueTestCases.forEach(addJson);
+  validValueCreationTestCases.forEach(addJson);
+
+  /**
+   * Asserts that the field properties are correct based on the test case.
+   * @param {!Blockly.FieldImage} field The field to check.
+   * @param {!FieldValueTestCase} testCase The test case.
+   */
+  const validTestCaseAssertField = function (field, testCase) {
+    assertFieldValue(field, testCase.expectedValue, testCase.expectedText);
+  };
+
+  runConstructorSuiteTests(
+    Blockly.FieldImage,
+    validValueCreationTestCases,
+    invalidValueTestCases,
+    validTestCaseAssertField,
+  );
+
+  runFromJsonSuiteTests(
+    Blockly.FieldImage,
+    validValueCreationTestCases,
+    invalidValueTestCases,
+    validTestCaseAssertField,
+  );
+
+  /**
+   * Configuration for field tests with valid values.
+   * @type {!Array<!FieldValueTestCase>}
+   */
+  const validValueSetValueTestCases = [
+    {
+      title: 'Good src',
+      value: 'newSrc',
+      expectedValue: 'newSrc',
+      expectedText: 'alt',
+    },
+  ];
+
+  suite('setValue', function () {
+    setup(function () {
+      this.field = new Blockly.FieldImage('src', 1, 1, 'alt');
+    });
+    runSetValueTests(
+      validValueSetValueTestCases,
+      invalidValueTestCases,
+      'src',
+      'alt',
+    );
   });
-  suite('Customizations', function() {
-    suite('On Click Handler', function() {
-      setup(function() {
-        this.onClick = function() {
+
+  suite('Customizations', function () {
+    suite('On Click Handler', function () {
+      setup(function () {
+        this.onClick = function () {
           console.log('on click');
         };
       });
-      test('JS Constructor', function() {
-        var field = new Blockly.FieldImage('src', 10, 10, null, this.onClick);
-        chai.assert.equal(field.clickHandler_, this.onClick);
+      test('JS Constructor', function () {
+        const field = new Blockly.FieldImage('src', 10, 10, null, this.onClick);
+        chai.assert.equal(field.clickHandler, this.onClick);
       });
-      test('setOnClickHandler', function() {
-        var field = new Blockly.FieldImage('src', 10, 10);
+      test('setOnClickHandler', function () {
+        const field = new Blockly.FieldImage('src', 10, 10);
         field.setOnClickHandler(this.onClick);
-        chai.assert.equal(field.clickHandler_, this.onClick);
+        chai.assert.equal(field.clickHandler, this.onClick);
       });
-      test('Remove Click Handler', function() {
-        var field = new Blockly.FieldImage('src', 10, 10, null, this.onClick);
+      test('Remove Click Handler', function () {
+        const field = new Blockly.FieldImage('src', 10, 10, null, this.onClick);
         field.setOnClickHandler(null);
-        chai.assert.isNull(field.clickHandler_);
+        chai.assert.isNull(field.clickHandler);
       });
     });
-    suite('Alt', function() {
-      test('JS Constructor', function() {
-        var field = new Blockly.FieldImage('src', 10, 10, 'alt');
-        chai.assert.equal(field.altText_, 'alt');
+    suite('Alt', function () {
+      test('JS Constructor', function () {
+        const field = new Blockly.FieldImage('src', 10, 10, 'alt');
+        chai.assert.equal(field.getText(), 'alt');
       });
-      test('JSON Definition', function() {
-        var field = Blockly.FieldImage.fromJson({
+      test('JSON Definition', function () {
+        const field = Blockly.FieldImage.fromJson({
           src: 'src',
           width: 10,
           height: 10,
-          alt: 'alt'
-        });
-        chai.assert.equal(field.altText_, 'alt');
-      });
-      test('Deprecated - setText', function() {
-        var deprecateWarnSpy = createDeprecationWarningStub();
-        var field = new Blockly.FieldImage('src', 10, 10, 'alt');
-        chai.assert.throws(function() {
-          field.setText('newAlt');
+          alt: 'alt',
         });
-        assertSingleDeprecationWarningCall(deprecateWarnSpy,
-            'Field.prototype.setText');
+        chai.assert.equal(field.getText(), 'alt');
       });
-      suite('SetAlt', function() {
-        setup(function() {
+      suite('SetAlt', function () {
+        setup(function () {
           this.imageField = new Blockly.FieldImage('src', 10, 10, 'alt');
         });
-        test('Null', function() {
+        test('Null', function () {
           this.imageField.setAlt(null);
-          assertValue(this.imageField, 'src', '');
+          assertFieldValue(this.imageField, 'src', '');
         });
-        test('Empty String', function() {
+        test('Empty String', function () {
           this.imageField.setAlt('');
-          assertValue(this.imageField, 'src', '');
+          assertFieldValue(this.imageField, 'src', '');
         });
-        test('Good Alt', function() {
+        test('Good Alt', function () {
           this.imageField.setAlt('newAlt');
-          assertValue(this.imageField, 'src', 'newAlt');
+          assertFieldValue(this.imageField, 'src', 'newAlt');
         });
       });
-      test('JS Configuration - Simple', function() {
-        var field = new Blockly.FieldImage('src', 10, 10, null, null, null, {
-          alt: 'alt'
+      test('JS Configuration - Simple', function () {
+        const field = new Blockly.FieldImage('src', 10, 10, null, null, null, {
+          alt: 'alt',
         });
-        chai.assert.equal(field.altText_, 'alt');
+        chai.assert.equal(field.getText(), 'alt');
       });
-      test('JS Configuration - Ignore', function() {
-        var field = new Blockly.FieldImage('src', 10, 10, 'alt', null, null, {
-          alt: 'configAlt'
+      test('JS Configuration - Ignore', function () {
+        const field = new Blockly.FieldImage('src', 10, 10, 'alt', null, null, {
+          alt: 'configAlt',
         });
-        chai.assert.equal(field.altText_, 'configAlt');
+        chai.assert.equal(field.getText(), 'configAlt');
       });
-      test('JS Configuration - Ignore - \'\'', function() {
-        var field = new Blockly.FieldImage('src', 10, 10, '', null, null, {
-          alt: 'configAlt'
+      test("JS Configuration - Ignore - ''", function () {
+        const field = new Blockly.FieldImage('src', 10, 10, '', null, null, {
+          alt: 'configAlt',
         });
-        chai.assert.equal(field.altText_, 'configAlt');
+        chai.assert.equal(field.getText(), 'configAlt');
       });
-      test('JS Configuration - Ignore - Config \'\'', function() {
-        var field = new Blockly.FieldImage('src', 10, 10, 'alt', null, null, {
-          alt: ''
+      test("JS Configuration - Ignore - Config ''", function () {
+        const field = new Blockly.FieldImage('src', 10, 10, 'alt', null, null, {
+          alt: '',
         });
-        chai.assert.equal(field.altText_, '');
+        chai.assert.equal(field.getText(), '');
       });
     });
-    suite('Flip RTL', function() {
-      test('JS Constructor', function() {
-        var field = new Blockly.FieldImage('src', 10, 10, null, null, true);
+    suite('Flip RTL', function () {
+      test('JS Constructor', function () {
+        const field = new Blockly.FieldImage('src', 10, 10, null, null, true);
         chai.assert.isTrue(field.getFlipRtl());
       });
-      test('JSON Definition', function() {
-        var field = Blockly.FieldImage.fromJson({
+      test('JSON Definition', function () {
+        const field = Blockly.FieldImage.fromJson({
           src: 'src',
           width: 10,
           height: 10,
-          flipRtl: true
+          flipRtl: true,
         });
         chai.assert.isTrue(field.getFlipRtl());
       });
-      test('JS Configuration - Simple', function() {
-        var field = new Blockly.FieldImage('src', 10, 10, null, null, null, {
-          flipRtl: true
+      test('JS Configuration - Simple', function () {
+        const field = new Blockly.FieldImage('src', 10, 10, null, null, null, {
+          flipRtl: true,
         });
         chai.assert.isTrue(field.getFlipRtl());
       });
-      test('JS Configuration - Ignore - True', function() {
-        var field = new Blockly.FieldImage('src', 10, 10, null, null, true, {
-          flipRtl: false
+      test('JS Configuration - Ignore - True', function () {
+        const field = new Blockly.FieldImage('src', 10, 10, null, null, true, {
+          flipRtl: false,
         });
         chai.assert.isFalse(field.getFlipRtl());
       });
-      test('JS Configuration - Ignore - False', function() {
-        var field = new Blockly.FieldImage('src', 10, 10, null, null, false, {
-          flipRtl: true
+      test('JS Configuration - Ignore - False', function () {
+        const field = new Blockly.FieldImage('src', 10, 10, null, null, false, {
+          flipRtl: true,
         });
         chai.assert.isTrue(field.getFlipRtl());
       });
diff --git a/tests/mocha/field_label_serializable_test.js b/tests/mocha/field_label_serializable_test.js
index c32ae444def..37052f046cf 100644
--- a/tests/mocha/field_label_serializable_test.js
+++ b/tests/mocha/field_label_serializable_test.js
@@ -4,18 +4,35 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Label Serializable Fields', function() {
-  setup(function() {
+import * as Blockly from '../../build/src/core/blockly.js';
+import {
+  assertFieldValue,
+  runConstructorSuiteTests,
+  runFromJsonSuiteTests,
+  runSetValueTests,
+} from './test_helpers/fields.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+import {
+  createTestBlock,
+  defineRowBlock,
+} from './test_helpers/block_definitions.js';
+
+suite('Label Serializable Fields', function () {
+  setup(function () {
     sharedTestSetup.call(this);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
   /**
    * Configuration for field tests with invalid values.
    * @type {!Array<!FieldCreationTestCase>}
    */
-  var invalidValueTestCases = [
+  const invalidValueTestCases = [
     {title: 'Undefined', value: undefined},
     {title: 'Null', value: null},
   ];
@@ -23,7 +40,7 @@ suite('Label Serializable Fields', function() {
    * Configuration for field tests with valid values.
    * @type {!Array<!FieldCreationTestCase>}
    */
-  var validValueTestCases = [
+  const validValueTestCases = [
     {title: 'String', value: 'value', expectedValue: 'value'},
     {title: 'Boolean true', value: true, expectedValue: 'true'},
     {title: 'Boolean false', value: false, expectedValue: 'false'},
@@ -31,7 +48,7 @@ suite('Label Serializable Fields', function() {
     {title: 'Number (Falsy)', value: 0, expectedValue: '0'},
     {title: 'NaN', value: NaN, expectedValue: 'NaN'},
   ];
-  var addArgsAndJson = function(testCase) {
+  const addArgsAndJson = function (testCase) {
     testCase.args = [testCase.value];
     testCase.json = {'text': testCase.value};
   };
@@ -42,143 +59,193 @@ suite('Label Serializable Fields', function() {
    * The expected default value for the field being tested.
    * @type {*}
    */
-  var defaultFieldValue = '';
+  const defaultFieldValue = '';
   /**
    * Asserts that the field property values are set to default.
-   * @param {!Blockly.FieldNumber} field The field to check.
+   * @param {!Blockly.FieldLabelSerializable} field The field to check.
    */
-  var assertFieldDefault = function(field) {
-    testHelpers.assertFieldValue(field, defaultFieldValue);
+  const assertFieldDefault = function (field) {
+    assertFieldValue(field, defaultFieldValue);
   };
   /**
    * Asserts that the field properties are correct based on the test case.
-   * @param {!Blockly.FieldNumber} field The field to check.
+   * @param {!Blockly.FieldLabelSerializable} field The field to check.
    * @param {!FieldValueTestCase} testCase The test case.
    */
-  var validTestCaseAssertField = function(field, testCase) {
-    testHelpers.assertFieldValue(field, testCase.expectedValue);
+  const validTestCaseAssertField = function (field, testCase) {
+    assertFieldValue(field, testCase.expectedValue);
   };
 
-  testHelpers.runConstructorSuiteTests(
-      Blockly.FieldLabelSerializable, validValueTestCases,
-      invalidValueTestCases, validTestCaseAssertField, assertFieldDefault);
+  runConstructorSuiteTests(
+    Blockly.FieldLabelSerializable,
+    validValueTestCases,
+    invalidValueTestCases,
+    validTestCaseAssertField,
+    assertFieldDefault,
+  );
 
-  testHelpers.runFromJsonSuiteTests(
-      Blockly.FieldLabelSerializable, validValueTestCases,invalidValueTestCases,
-      validTestCaseAssertField, assertFieldDefault);
+  runFromJsonSuiteTests(
+    Blockly.FieldLabelSerializable,
+    validValueTestCases,
+    invalidValueTestCases,
+    validTestCaseAssertField,
+    assertFieldDefault,
+  );
 
-  suite('setValue', function() {
-    suite('Empty -> New Value', function() {
-      setup(function() {
+  suite('setValue', function () {
+    suite('Empty -> New Value', function () {
+      setup(function () {
         this.field = new Blockly.FieldLabelSerializable();
       });
-      testHelpers.runSetValueTests(
-          validValueTestCases, invalidValueTestCases, defaultFieldValue);
-      test('With source block', function() {
+      runSetValueTests(
+        validValueTestCases,
+        invalidValueTestCases,
+        defaultFieldValue,
+      );
+      test('With source block', function () {
         this.field.setSourceBlock(createTestBlock());
         this.field.setValue('value');
-        testHelpers.assertFieldValue(this.field, 'value');
+        assertFieldValue(this.field, 'value');
       });
     });
-    suite('Value -> New Value', function() {
-      var initialValue = 'oldValue';
-      setup(function() {
+    suite('Value -> New Value', function () {
+      const initialValue = 'oldValue';
+      setup(function () {
         this.field = new Blockly.FieldLabelSerializable(initialValue);
       });
-      testHelpers.runSetValueTests(
-          validValueTestCases, invalidValueTestCases, initialValue);
-      test('With source block', function() {
+      runSetValueTests(
+        validValueTestCases,
+        invalidValueTestCases,
+        initialValue,
+      );
+      test('With source block', function () {
         this.field.setSourceBlock(createTestBlock());
         this.field.setValue('value');
-        testHelpers.assertFieldValue(this.field, 'value');
+        assertFieldValue(this.field, 'value');
       });
     });
   });
 
-  suite('Customizations', function() {
+  suite('Customizations', function () {
     function assertHasClass(labelField, cssClass) {
       labelField.fieldGroup_ = Blockly.utils.dom.createSvgElement(
-          Blockly.utils.Svg.G, {}, null);
+        Blockly.utils.Svg.G,
+        {},
+        null,
+      );
       labelField.constants_ = {
-        FIELD_TEXT_BASELINE_Y: 13
+        FIELD_TEXT_BASELINE_Y: 13,
       };
       labelField.initView();
-      chai.assert.isTrue(Blockly.utils.dom.hasClass(
-          labelField.textElement_, cssClass));
+      chai.assert.isTrue(
+        Blockly.utils.dom.hasClass(labelField.textElement_, cssClass),
+      );
     }
     function assertDoesNotHaveClass(labelField, cssClass) {
       labelField.fieldGroup_ = Blockly.utils.dom.createSvgElement(
-          Blockly.utils.Svg.G, {}, null);
+        Blockly.utils.Svg.G,
+        {},
+        null,
+      );
       labelField.constants_ = {
-        FIELD_TEXT_BASELINE_Y: 13
+        FIELD_TEXT_BASELINE_Y: 13,
       };
       labelField.initView();
-      chai.assert.isFalse(Blockly.utils.dom.hasClass(
-          labelField.textElement_, cssClass));
+      chai.assert.isFalse(
+        Blockly.utils.dom.hasClass(labelField.textElement_, cssClass),
+      );
     }
-    test('JS Constructor', function() {
-      var field = new Blockly.FieldLabelSerializable('text', 'testClass');
+    test('JS Constructor', function () {
+      const field = new Blockly.FieldLabelSerializable('text', 'testClass');
       assertHasClass(field, 'testClass');
     });
-    test('JSON Definition', function() {
-      var field = Blockly.FieldLabelSerializable.fromJson({
-        class: 'testClass'
+    test('JSON Definition', function () {
+      const field = Blockly.FieldLabelSerializable.fromJson({
+        class: 'testClass',
       });
       assertHasClass(field, 'testClass');
     });
-    test('JS Configuration - Simple', function() {
-      var field = new Blockly.FieldLabelSerializable('text', null, {
-        class: 'testClass'
+    test('JS Configuration - Simple', function () {
+      const field = new Blockly.FieldLabelSerializable('text', null, {
+        class: 'testClass',
       });
       assertHasClass(field, 'testClass');
     });
-    test('JS Configuration - Ignore', function() {
-      var field = new Blockly.FieldLabelSerializable('text', 'paramClass', {
-        class: 'configClass'
+    test('JS Configuration - Ignore', function () {
+      const field = new Blockly.FieldLabelSerializable('text', 'paramClass', {
+        class: 'configClass',
       });
       assertDoesNotHaveClass(field, 'paramClass');
       assertHasClass(field, 'configClass');
     });
-    test('JS Configuration - Ignore - \'\'', function() {
-      var field = new Blockly.FieldLabelSerializable('text', '', {
-        class: 'configClass'
+    test("JS Configuration - Ignore - ''", function () {
+      const field = new Blockly.FieldLabelSerializable('text', '', {
+        class: 'configClass',
       });
       assertHasClass(field, 'configClass');
     });
-    test('JS Configuration - Ignore - Config \'\'', function() {
-      var field = new Blockly.FieldLabelSerializable('text', 'paramClass', {
-        class: ''
+    test("JS Configuration - Ignore - Config ''", function () {
+      const field = new Blockly.FieldLabelSerializable('text', 'paramClass', {
+        class: '',
       });
       assertDoesNotHaveClass(field, 'paramClass');
     });
-    suite('setClass', function() {
-      test('setClass', function() {
-        var field = new Blockly.FieldLabelSerializable();
+    suite('setClass', function () {
+      test('setClass', function () {
+        const field = new Blockly.FieldLabelSerializable();
         field.fieldGroup_ = Blockly.utils.dom.createSvgElement(
-            Blockly.utils.Svg.G, {}, null);
+          Blockly.utils.Svg.G,
+          {},
+          null,
+        );
         field.constants_ = {
-          FIELD_TEXT_BASELINE_Y: 13
+          FIELD_TEXT_BASELINE_Y: 13,
         };
         field.initView();
         field.setClass('testClass');
         // Don't call assertHasClass b/c we don't want to re-initialize.
-        chai.assert.isTrue(Blockly.utils.dom.hasClass(
-            field.textElement_, 'testClass'));
+        chai.assert.isTrue(
+          Blockly.utils.dom.hasClass(field.textElement_, 'testClass'),
+        );
       });
-      test('setClass Before Initialization', function() {
-        var field = new Blockly.FieldLabelSerializable();
+      test('setClass Before Initialization', function () {
+        const field = new Blockly.FieldLabelSerializable();
         field.setClass('testClass');
         assertHasClass(field, 'testClass');
       });
-      test('Remove Class', function() {
-        var field = new Blockly.FieldLabelSerializable('text', null, {
-          class: 'testClass'
+      test('Remove Class', function () {
+        const field = new Blockly.FieldLabelSerializable('text', null, {
+          class: 'testClass',
         });
         assertHasClass(field, 'testClass');
         field.setClass(null);
-        chai.assert.isFalse(Blockly.utils.dom.hasClass(
-            field.textElement_, 'testClass'));
+        chai.assert.isFalse(
+          Blockly.utils.dom.hasClass(field.textElement_, 'testClass'),
+        );
       });
     });
   });
+
+  suite('Serialization', function () {
+    setup(function () {
+      this.workspace = new Blockly.Workspace();
+      defineRowBlock();
+
+      this.assertValue = (value) => {
+        const block = this.workspace.newBlock('row_block');
+        const field = new Blockly.FieldLabelSerializable(value);
+        block.getInput('INPUT').appendField(field, 'LABEL');
+        const jso = Blockly.serialization.blocks.save(block);
+        chai.assert.deepEqual(jso['fields'], {'LABEL': value});
+      };
+    });
+
+    teardown(function () {
+      workspaceTeardown.call(this, this.workspace);
+    });
+
+    test('Simple', function () {
+      this.assertValue('test label');
+    });
+  });
 });
diff --git a/tests/mocha/field_label_test.js b/tests/mocha/field_label_test.js
index c9a0a480ed7..368e7fd3cf7 100644
--- a/tests/mocha/field_label_test.js
+++ b/tests/mocha/field_label_test.js
@@ -4,18 +4,31 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Label Fields', function() {
-  setup(function() {
+import * as Blockly from '../../build/src/core/blockly.js';
+import {
+  assertFieldValue,
+  runConstructorSuiteTests,
+  runFromJsonSuiteTests,
+  runSetValueTests,
+} from './test_helpers/fields.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {createTestBlock} from './test_helpers/block_definitions.js';
+
+suite('Label Fields', function () {
+  setup(function () {
     sharedTestSetup.call(this);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
   /**
    * Configuration for field tests with invalid values.
    * @type {!Array<!FieldCreationTestCase>}
    */
-  var invalidValueTestCases = [
+  const invalidValueTestCases = [
     {title: 'Undefined', value: undefined},
     {title: 'Null', value: null},
   ];
@@ -23,7 +36,7 @@ suite('Label Fields', function() {
    * Configuration for field tests with valid values.
    * @type {!Array<!FieldCreationTestCase>}
    */
-  var validValueTestCases = [
+  const validValueTestCases = [
     {title: 'String', value: 'value', expectedValue: 'value'},
     {title: 'Boolean true', value: true, expectedValue: 'true'},
     {title: 'Boolean false', value: false, expectedValue: 'false'},
@@ -31,7 +44,7 @@ suite('Label Fields', function() {
     {title: 'Number (Falsy)', value: 0, expectedValue: '0'},
     {title: 'NaN', value: NaN, expectedValue: 'NaN'},
   ];
-  var addArgsAndJson = function(testCase) {
+  const addArgsAndJson = function (testCase) {
     testCase.args = [testCase.value];
     testCase.json = {'text': testCase.value};
   };
@@ -42,143 +55,170 @@ suite('Label Fields', function() {
    * The expected default value for the field being tested.
    * @type {*}
    */
-  var defaultFieldValue = '';
+  const defaultFieldValue = '';
   /**
    * Asserts that the field property values are set to default.
-   * @param {!Blockly.FieldNumber} field The field to check.
+   * @param {!Blockly.FieldLabel} field The field to check.
    */
-  var assertFieldDefault = function(field) {
-    testHelpers.assertFieldValue(field, defaultFieldValue);
+  const assertFieldDefault = function (field) {
+    assertFieldValue(field, defaultFieldValue);
   };
   /**
    * Asserts that the field properties are correct based on the test case.
-   * @param {!Blockly.FieldNumber} field The field to check.
+   * @param {!Blockly.FieldLabel} field The field to check.
    * @param {!FieldValueTestCase} testCase The test case.
    */
-  var validTestCaseAssertField = function(field, testCase) {
-    testHelpers.assertFieldValue(field, testCase.expectedValue);
+  const validTestCaseAssertField = function (field, testCase) {
+    assertFieldValue(field, testCase.expectedValue);
   };
 
-  testHelpers.runConstructorSuiteTests(
-      Blockly.FieldLabel, validValueTestCases, invalidValueTestCases,
-      validTestCaseAssertField, assertFieldDefault);
+  runConstructorSuiteTests(
+    Blockly.FieldLabel,
+    validValueTestCases,
+    invalidValueTestCases,
+    validTestCaseAssertField,
+    assertFieldDefault,
+  );
 
-  testHelpers.runFromJsonSuiteTests(
-      Blockly.FieldLabel, validValueTestCases,invalidValueTestCases,
-      validTestCaseAssertField, assertFieldDefault);
+  runFromJsonSuiteTests(
+    Blockly.FieldLabel,
+    validValueTestCases,
+    invalidValueTestCases,
+    validTestCaseAssertField,
+    assertFieldDefault,
+  );
 
-  suite('setValue', function() {
-    suite('Empty -> New Value', function() {
-      setup(function() {
+  suite('setValue', function () {
+    suite('Empty -> New Value', function () {
+      setup(function () {
         this.field = new Blockly.FieldLabel();
       });
-      testHelpers.runSetValueTests(
-          validValueTestCases, invalidValueTestCases, defaultFieldValue);
-      test('With source block', function() {
+      runSetValueTests(
+        validValueTestCases,
+        invalidValueTestCases,
+        defaultFieldValue,
+      );
+      test('With source block', function () {
         this.field.setSourceBlock(createTestBlock());
         this.field.setValue('value');
-        testHelpers.assertFieldValue(this.field, 'value');
+        assertFieldValue(this.field, 'value');
       });
     });
-    suite('Value -> New Value', function() {
-      var initialValue = 'oldValue';
-      setup(function() {
+    suite('Value -> New Value', function () {
+      const initialValue = 'oldValue';
+      setup(function () {
         this.field = new Blockly.FieldLabel(initialValue);
       });
-      testHelpers.runSetValueTests(
-          validValueTestCases, invalidValueTestCases, initialValue);
-      test('With source block', function() {
+      runSetValueTests(
+        validValueTestCases,
+        invalidValueTestCases,
+        initialValue,
+      );
+      test('With source block', function () {
         this.field.setSourceBlock(createTestBlock());
         this.field.setValue('value');
-        testHelpers.assertFieldValue(this.field, 'value');
+        assertFieldValue(this.field, 'value');
       });
     });
   });
 
-  suite('Customizations', function() {
+  suite('Customizations', function () {
     function assertHasClass(labelField, cssClass) {
       labelField.fieldGroup_ = Blockly.utils.dom.createSvgElement(
-          Blockly.utils.Svg.G, {}, null);
+        Blockly.utils.Svg.G,
+        {},
+        null,
+      );
       labelField.constants_ = {
-        FIELD_TEXT_BASELINE_Y: 13
+        FIELD_TEXT_BASELINE_Y: 13,
       };
       labelField.initView();
-      chai.assert.isTrue(Blockly.utils.dom.hasClass(
-          labelField.textElement_, cssClass));
+      chai.assert.isTrue(
+        Blockly.utils.dom.hasClass(labelField.textElement_, cssClass),
+      );
     }
     function assertDoesNotHaveClass(labelField, cssClass) {
       labelField.fieldGroup_ = Blockly.utils.dom.createSvgElement(
-          Blockly.utils.Svg.G, {}, null);
+        Blockly.utils.Svg.G,
+        {},
+        null,
+      );
       labelField.constants_ = {
-        FIELD_TEXT_BASELINE_Y: 13
+        FIELD_TEXT_BASELINE_Y: 13,
       };
       labelField.initView();
-      chai.assert.isFalse(Blockly.utils.dom.hasClass(
-          labelField.textElement_, cssClass));
+      chai.assert.isFalse(
+        Blockly.utils.dom.hasClass(labelField.textElement_, cssClass),
+      );
     }
 
-    test('JS Constructor', function() {
-      var field = new Blockly.FieldLabel('text', 'testClass');
+    test('JS Constructor', function () {
+      const field = new Blockly.FieldLabel('text', 'testClass');
       assertHasClass(field, 'testClass');
     });
-    test('JSON Definition', function() {
-      var field = Blockly.FieldLabel.fromJson({
-        class: 'testClass'
+    test('JSON Definition', function () {
+      const field = Blockly.FieldLabel.fromJson({
+        class: 'testClass',
       });
       assertHasClass(field, 'testClass');
     });
-    test('JS Configuration - Simple', function() {
-      var field = new Blockly.FieldLabel('text', null, {
-        class: 'testClass'
+    test('JS Configuration - Simple', function () {
+      const field = new Blockly.FieldLabel('text', null, {
+        class: 'testClass',
       });
       assertHasClass(field, 'testClass');
     });
-    test('JS Configuration - Ignore', function() {
-      var field = new Blockly.FieldLabel('text', 'paramClass', {
-        class: 'configClass'
+    test('JS Configuration - Ignore', function () {
+      const field = new Blockly.FieldLabel('text', 'paramClass', {
+        class: 'configClass',
       });
       assertDoesNotHaveClass(field, 'paramClass');
       assertHasClass(field, 'configClass');
     });
-    test('JS Configuration - Ignore - \'\'', function() {
-      var field = new Blockly.FieldLabel('text', '', {
-        class: 'configClass'
+    test("JS Configuration - Ignore - ''", function () {
+      const field = new Blockly.FieldLabel('text', '', {
+        class: 'configClass',
       });
       assertHasClass(field, 'configClass');
     });
-    test('JS Configuration - Ignore - Config \'\'', function() {
-      var field = new Blockly.FieldLabel('text', 'paramClass', {
-        class: ''
+    test("JS Configuration - Ignore - Config ''", function () {
+      const field = new Blockly.FieldLabel('text', 'paramClass', {
+        class: '',
       });
       assertDoesNotHaveClass(field, 'paramClass');
     });
-    suite('setClass', function() {
-      test('setClass', function() {
-        var field = new Blockly.FieldLabel();
+    suite('setClass', function () {
+      test('setClass', function () {
+        const field = new Blockly.FieldLabel();
         field.fieldGroup_ = Blockly.utils.dom.createSvgElement(
-            Blockly.utils.Svg.G, {}, null);
+          Blockly.utils.Svg.G,
+          {},
+          null,
+        );
         field.constants_ = {
-          FIELD_TEXT_BASELINE_Y: 13
+          FIELD_TEXT_BASELINE_Y: 13,
         };
         field.initView();
         field.setClass('testClass');
         // Don't call assertHasClass b/c we don't want to re-initialize.
-        chai.assert.isTrue(Blockly.utils.dom.hasClass(
-            field.textElement_, 'testClass'));
+        chai.assert.isTrue(
+          Blockly.utils.dom.hasClass(field.textElement_, 'testClass'),
+        );
       });
-      test('setClass Before Initialization', function() {
-        var field = new Blockly.FieldLabel();
+      test('setClass Before Initialization', function () {
+        const field = new Blockly.FieldLabel();
         field.setClass('testClass');
         assertHasClass(field, 'testClass');
       });
-      test('Remove Class', function() {
-        var field = new Blockly.FieldLabel('text', null, {
-          class: 'testClass'
+      test('Remove Class', function () {
+        const field = new Blockly.FieldLabel('text', null, {
+          class: 'testClass',
         });
         assertHasClass(field, 'testClass');
         field.setClass(null);
-        chai.assert.isFalse(Blockly.utils.dom.hasClass(
-            field.textElement_, 'testClass'));
+        chai.assert.isFalse(
+          Blockly.utils.dom.hasClass(field.textElement_, 'testClass'),
+        );
       });
     });
   });
diff --git a/tests/mocha/field_number_test.js b/tests/mocha/field_number_test.js
index b12cae656a0..c6737668d05 100644
--- a/tests/mocha/field_number_test.js
+++ b/tests/mocha/field_number_test.js
@@ -4,18 +4,33 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Number Fields', function() {
-  setup(function() {
+import * as Blockly from '../../build/src/core/blockly.js';
+import {
+  assertFieldValue,
+  runConstructorSuiteTests,
+  runFromJsonSuiteTests,
+  runSetValueTests,
+} from './test_helpers/fields.js';
+import {defineRowBlock} from './test_helpers/block_definitions.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+import {runTestCases} from './test_helpers/common.js';
+
+suite('Number Fields', function () {
+  setup(function () {
     sharedTestSetup.call(this);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
   /**
    * Configuration for field tests with invalid values.
    * @type {!Array<!FieldCreationTestCase>}
    */
-  var invalidValueTestCases = [
+  const invalidValueTestCases = [
     {title: 'Undefined', value: undefined},
     {title: 'Null', value: null},
     {title: 'NaN', value: NaN},
@@ -25,7 +40,7 @@ suite('Number Fields', function() {
    * Configuration for field tests with valid values.
    * @type {!Array<!FieldCreationTestCase>}
    */
-  var validValueTestCases = [
+  const validValueTestCases = [
     {title: 'Integer', value: 1, expectedValue: 1},
     {title: 'Float', value: 1.5, expectedValue: 1.5},
     {title: 'Integer String', value: '1', expectedValue: 1},
@@ -33,13 +48,20 @@ suite('Number Fields', function() {
     {title: 'Infinity', value: Infinity, expectedValue: Infinity},
     {title: 'Negative Infinity', value: -Infinity, expectedValue: -Infinity},
     {title: 'Infinity String', value: 'Infinity', expectedValue: Infinity},
-    {title: 'Negative Infinity String', value: '-Infinity',
-      expectedValue: -Infinity},
+    {
+      title: 'Negative Infinity String',
+      value: '-Infinity',
+      expectedValue: -Infinity,
+    },
   ];
-  var addArgsAndJson = function(testCase) {
+  const addArgsAndJson = function (testCase) {
     testCase.args = Array(4).fill(testCase.value);
-    testCase.json = {'value': testCase.value, 'min': testCase.value,
-      'max': testCase.value, 'precision': testCase.value};
+    testCase.json = {
+      'value': testCase.value,
+      'min': testCase.value,
+      'max': testCase.value,
+      'precision': testCase.value,
+    };
   };
   invalidValueTestCases.forEach(addArgsAndJson);
   validValueTestCases.forEach(addArgsAndJson);
@@ -48,7 +70,7 @@ suite('Number Fields', function() {
    * The expected default value for the field being tested.
    * @type {*}
    */
-  var defaultFieldValue = 0;
+  const defaultFieldValue = 0;
   /**
    * Asserts that the field property values are as expected.
    * @param {!Blockly.FieldNumber} field The field to check.
@@ -57,19 +79,23 @@ suite('Number Fields', function() {
    * @param {!number} expectedPrecision The expected precision.
    * @param {!number} expectedValue The expected value.
    */
-  function assertNumberField(field, expectedMin, expectedMax,
-      expectedPrecision, expectedValue) {
-    testHelpers.assertFieldValue(field, expectedValue);
+  function assertNumberField(
+    field,
+    expectedMin,
+    expectedMax,
+    expectedPrecision,
+    expectedValue,
+  ) {
+    assertFieldValue(field, expectedValue);
     chai.assert.equal(field.getMin(), expectedMin, 'Min');
     chai.assert.equal(field.getMax(), expectedMax, 'Max');
-    chai.assert.equal(
-        field.getPrecision(), expectedPrecision, 'Precision');
+    chai.assert.equal(field.getPrecision(), expectedPrecision, 'Precision');
   }
   /**
    * Asserts that the field property values are set to default.
    * @param {!Blockly.FieldNumber} field The field to check.
    */
-  var assertFieldDefault = function(field) {
+  const assertFieldDefault = function (field) {
     assertNumberField(field, -Infinity, Infinity, 0, defaultFieldValue);
   };
   /**
@@ -77,259 +103,402 @@ suite('Number Fields', function() {
    * @param {!Blockly.FieldNumber} field The field to check.
    * @param {!FieldValueTestCase} testCase The test case.
    */
-  var validTestCaseAssertField = function(field, testCase) {
+  const validTestCaseAssertField = function (field, testCase) {
     assertNumberField(
-        field, testCase.expectedValue, testCase.expectedValue,
-        testCase.expectedValue, testCase.expectedValue);
+      field,
+      testCase.expectedValue,
+      testCase.expectedValue,
+      testCase.expectedValue,
+      testCase.expectedValue,
+    );
   };
 
-  testHelpers.runConstructorSuiteTests(
-      Blockly.FieldNumber, validValueTestCases, invalidValueTestCases,
-      validTestCaseAssertField, assertFieldDefault);
+  runConstructorSuiteTests(
+    Blockly.FieldNumber,
+    validValueTestCases,
+    invalidValueTestCases,
+    validTestCaseAssertField,
+    assertFieldDefault,
+  );
 
-  testHelpers.runFromJsonSuiteTests(
-      Blockly.FieldNumber, validValueTestCases,invalidValueTestCases,
-      validTestCaseAssertField, assertFieldDefault);
+  runFromJsonSuiteTests(
+    Blockly.FieldNumber,
+    validValueTestCases,
+    invalidValueTestCases,
+    validTestCaseAssertField,
+    assertFieldDefault,
+  );
 
-  suite('setValue', function() {
-    suite('Empty -> New Value', function() {
-      setup(function() {
+  suite('setValue', function () {
+    suite('Empty -> New Value', function () {
+      setup(function () {
         this.field = new Blockly.FieldNumber();
       });
-      testHelpers.runSetValueTests(
-          validValueTestCases, invalidValueTestCases, defaultFieldValue);
+      runSetValueTests(
+        validValueTestCases,
+        invalidValueTestCases,
+        defaultFieldValue,
+      );
     });
-    suite('Value -> New Value', function() {
-      var initialValue = 1;
-      setup(function() {
+    suite('Value -> New Value', function () {
+      const initialValue = 1;
+      setup(function () {
         this.field = new Blockly.FieldNumber(initialValue);
       });
-      testHelpers.runSetValueTests(
-          validValueTestCases, invalidValueTestCases, initialValue);
+      runSetValueTests(
+        validValueTestCases,
+        invalidValueTestCases,
+        initialValue,
+      );
     });
-    suite('Constraints', function() {
-      var testCases = [
+    suite('Constraints', function () {
+      const testCases = [
         {title: 'Float', json: {}, value: 123.456, expectedValue: 123.456},
-        {title: '0.01', json: {precision: .01}, value: 123.456,
-          expectedValue: 123.46},
-        {title: '1e-7', json: {precision: .0000001}, value: 123.00000456,
-          expectedValue: 123.0000046},
-        {title: '0.5', json: {precision: .5}, value: 123.456,
-          expectedValue: 123.5},
-        {title: '1', json: {precision: 1}, value: 123.456,
-          expectedValue: 123},
-        {title: '1.5', json: {precision: 1.5}, value: 123.456,
-          expectedValue: 123},
+        {
+          title: '0.01',
+          json: {precision: 0.01},
+          value: 123.456,
+          expectedValue: 123.46,
+        },
+        {
+          title: '1e-7',
+          json: {precision: 0.0000001},
+          value: 123.00000456,
+          expectedValue: 123.0000046,
+        },
+        {
+          title: '0.5',
+          json: {precision: 0.5},
+          value: 123.456,
+          expectedValue: 123.5,
+        },
+        {title: '1', json: {precision: 1}, value: 123.456, expectedValue: 123},
+        {
+          title: '1.5',
+          json: {precision: 1.5},
+          value: 123.456,
+          expectedValue: 123,
+        },
       ];
-      suite('Precision', function() {
-        testHelpers.runTestCases(testCases, function(testCase) {
-          return function() {
-            var field = Blockly.FieldNumber.fromJson(testCase.json);
+      suite('Precision', function () {
+        runTestCases(testCases, function (testCase) {
+          return function () {
+            const field = Blockly.FieldNumber.fromJson(testCase.json);
             field.setValue(testCase.value);
-            testHelpers.assertFieldValue(field, testCase.expectedValue);
+            assertFieldValue(field, testCase.expectedValue);
           };
         });
-        test('Null', function() {
-          var field = Blockly.FieldNumber.fromJson({precision: null});
+        test('Null', function () {
+          const field = Blockly.FieldNumber.fromJson({precision: null});
           chai.assert.equal(field.getPrecision(), 0);
         });
       });
-      var setValueBoundsTestFn = function(testCase) {
-        return function() {
-          var field = Blockly.FieldNumber.fromJson(testCase.json);
-          testCase.values.forEach(function(value, i) {
+      const setValueBoundsTestFn = function (testCase) {
+        return function () {
+          const field = Blockly.FieldNumber.fromJson(testCase.json);
+          testCase.values.forEach(function (value, i) {
             field.setValue(value);
-            testHelpers.assertFieldValue(
-                field, testCase.expectedValues[i]);
+            assertFieldValue(field, testCase.expectedValues[i]);
           });
         };
       };
-      suite('Min', function() {
-        var testCases = [
-          {title: '-10', json: {min: -10}, values: [-20, 0, 20],
-            expectedValues: [-10, 0, 20]},
-          {title: '0', json: {min: 0}, values: [-20, 0, 20],
-            expectedValues: [0, 0, 20]},
-          {title: '+10', json: {min: 10}, values: [-20, 0, 20],
-            expectedValues: [10, 10, 20]},
+      suite('Min', function () {
+        const testCases = [
+          {
+            title: '-10',
+            json: {min: -10},
+            values: [-20, 0, 20],
+            expectedValues: [-10, 0, 20],
+          },
+          {
+            title: '0',
+            json: {min: 0},
+            values: [-20, 0, 20],
+            expectedValues: [0, 0, 20],
+          },
+          {
+            title: '+10',
+            json: {min: 10},
+            values: [-20, 0, 20],
+            expectedValues: [10, 10, 20],
+          },
         ];
-        testHelpers.runTestCases(testCases, setValueBoundsTestFn);
-        test('Null', function() {
-          var field = Blockly.FieldNumber.fromJson({min: null});
+        runTestCases(testCases, setValueBoundsTestFn);
+        test('Null', function () {
+          const field = Blockly.FieldNumber.fromJson({min: null});
           chai.assert.equal(field.getMin(), -Infinity);
         });
       });
-      suite('Max', function() {
-        var testCases = [
-          {title: '-10', json: {max: -10}, values: [-20, 0, 20],
-            expectedValues: [-20, -10, -10]},
-          {title: '0', json: {max: 0}, values: [-20, 0, 20],
-            expectedValues: [-20, 0, 0]},
-          {title: '+10', json: {max: 10}, values: [-20, 0, 20],
-            expectedValues: [-20, 0, 10]},
+      suite('Max', function () {
+        const testCases = [
+          {
+            title: '-10',
+            json: {max: -10},
+            values: [-20, 0, 20],
+            expectedValues: [-20, -10, -10],
+          },
+          {
+            title: '0',
+            json: {max: 0},
+            values: [-20, 0, 20],
+            expectedValues: [-20, 0, 0],
+          },
+          {
+            title: '+10',
+            json: {max: 10},
+            values: [-20, 0, 20],
+            expectedValues: [-20, 0, 10],
+          },
         ];
-        testHelpers.runTestCases(testCases, setValueBoundsTestFn);
-        test('Null', function() {
-          var field = Blockly.FieldNumber.fromJson({max: null});
+        runTestCases(testCases, setValueBoundsTestFn);
+        test('Null', function () {
+          const field = Blockly.FieldNumber.fromJson({max: null});
           chai.assert.equal(field.getMax(), Infinity);
         });
       });
     });
   });
-  suite('Validators', function() {
-    setup(function() {
+  suite('Validators', function () {
+    setup(function () {
       this.field = new Blockly.FieldNumber(1);
-      this.field.htmlInput_ = Object.create(null);
-      this.field.htmlInput_.oldValue_ = '1';
-      this.field.htmlInput_.untypedDefaultValue_ = 1;
+      this.field.valueWhenEditorWasOpened_ = this.field.getValue();
+      this.field.htmlInput_ = document.createElement('input');
+      this.field.htmlInput_.setAttribute('data-old-value', '1');
+      this.field.htmlInput_.setAttribute('data-untyped-default-value', '1');
       this.stub = sinon.stub(this.field, 'resizeEditor_');
     });
-    teardown(function() {
+    teardown(function () {
       sinon.restore();
     });
-    var testSuites = [
-      {title: 'Null Validator',
-        validator:
-            function() {
-              return null;
-            },
-        value: 2, expectedValue: 1},
-      {title: 'Force End with 6 Validator',
-        validator:
-            function(newValue) {
-              return String(newValue).replace(/.$/, '6');
-            },
-        value: 25, expectedValue: 26},
-      {title: 'Returns Undefined Validator', validator: function() {}, value: 2,
-        expectedValue: 2},
+    const testSuites = [
+      {
+        title: 'Null Validator',
+        validator: function () {
+          return null;
+        },
+        value: 2,
+        expectedValue: 1,
+      },
+      {
+        title: 'Force End with 6 Validator',
+        validator: function (newValue) {
+          return +String(newValue).replace(/.$/, '6');
+        },
+        value: 25,
+        expectedValue: 26,
+      },
+      {
+        title: 'Returns Undefined Validator',
+        validator: function () {},
+        value: 2,
+        expectedValue: 2,
+      },
     ];
-    testSuites.forEach(function(suiteInfo) {
-      suite(suiteInfo.title, function() {
-        setup(function() {
+    testSuites.forEach(function (suiteInfo) {
+      suite(suiteInfo.title, function () {
+        setup(function () {
           this.field.setValidator(suiteInfo.validator);
         });
-        test('When Editing', function() {
+        test('When Editing', function () {
           this.field.isBeingEdited_ = true;
           this.field.htmlInput_.value = String(suiteInfo.value);
           this.field.onHtmlInputChange_(null);
-          testHelpers.assertFieldValue(
-              this.field, suiteInfo.expectedValue, String(suiteInfo.value));
+          assertFieldValue(
+            this.field,
+            suiteInfo.expectedValue,
+            String(suiteInfo.value),
+          );
         });
-        test('When Not Editing', function() {
+        test('When Not Editing', function () {
           this.field.setValue(suiteInfo.value);
-          testHelpers.assertFieldValue(this.field, suiteInfo.expectedValue);
+          assertFieldValue(this.field, +suiteInfo.expectedValue);
         });
       });
     });
   });
-  suite('Customizations', function() {
-    suite('Min', function() {
-      test('JS Constructor', function() {
-        var field = new Blockly.FieldNumber(0, -10);
+  suite('Customizations', function () {
+    suite('Min', function () {
+      test('JS Constructor', function () {
+        const field = new Blockly.FieldNumber(0, -10);
         assertNumberField(field, -10, Infinity, 0, 0);
       });
-      test('JSON Definition', function() {
-        var field = Blockly.FieldNumber.fromJson({
+      test('JSON Definition', function () {
+        const field = Blockly.FieldNumber.fromJson({
           min: -10,
         });
         assertNumberField(field, -10, Infinity, 0, 0);
       });
-      test('Set Constraints', function() {
-        var field = new Blockly.FieldNumber();
+      test('Set Constraints', function () {
+        const field = new Blockly.FieldNumber();
         field.setConstraints(-10);
         assertNumberField(field, -10, Infinity, 0, 0);
       });
-      test('Set Min', function() {
-        var field = new Blockly.FieldNumber();
+      test('Set Min', function () {
+        const field = new Blockly.FieldNumber();
         field.setMin(-10);
         assertNumberField(field, -10, Infinity, 0, 0);
       });
-      test('JS Configuration - Simple', function() {
-        var field = new Blockly.FieldNumber(
-            undefined, undefined, undefined, undefined, undefined, {
-              min: -10
-            });
+      test('JS Configuration - Simple', function () {
+        const field = new Blockly.FieldNumber(
+          undefined,
+          undefined,
+          undefined,
+          undefined,
+          undefined,
+          {
+            min: -10,
+          },
+        );
         assertNumberField(field, -10, Infinity, 0, 0);
       });
-      test('JS Configuration - Ignore', function() {
-        var field = new Blockly.FieldNumber(
-            undefined, -1, undefined, undefined, undefined, {
-              min: -10
-            });
+      test('JS Configuration - Ignore', function () {
+        const field = new Blockly.FieldNumber(
+          undefined,
+          -1,
+          undefined,
+          undefined,
+          undefined,
+          {
+            min: -10,
+          },
+        );
         assertNumberField(field, -10, Infinity, 0, 0);
       });
     });
-    suite('Max', function() {
-      test('JS Constructor', function() {
-        var field = new Blockly.FieldNumber(0, undefined, 10);
+    suite('Max', function () {
+      test('JS Constructor', function () {
+        const field = new Blockly.FieldNumber(0, undefined, 10);
         assertNumberField(field, -Infinity, 10, 0, 0);
       });
-      test('JSON Definition', function() {
-        var field = Blockly.FieldNumber.fromJson({
+      test('JSON Definition', function () {
+        const field = Blockly.FieldNumber.fromJson({
           max: 10,
         });
         assertNumberField(field, -Infinity, 10, 0, 0);
       });
-      test('Set Constraints', function() {
-        var field = new Blockly.FieldNumber();
+      test('Set Constraints', function () {
+        const field = new Blockly.FieldNumber();
         field.setConstraints(undefined, 10);
         assertNumberField(field, -Infinity, 10, 0, 0);
       });
-      test('Set Max', function() {
-        var field = new Blockly.FieldNumber();
+      test('Set Max', function () {
+        const field = new Blockly.FieldNumber();
         field.setMax(10);
         assertNumberField(field, -Infinity, 10, 0, 0);
       });
-      test('JS Configuration - Simple', function() {
-        var field = new Blockly.FieldNumber(
-            undefined, undefined, undefined, undefined, undefined, {
-              max: 10
-            });
+      test('JS Configuration - Simple', function () {
+        const field = new Blockly.FieldNumber(
+          undefined,
+          undefined,
+          undefined,
+          undefined,
+          undefined,
+          {
+            max: 10,
+          },
+        );
         assertNumberField(field, -Infinity, 10, 0, 0);
       });
-      test('JS Configuration - Ignore', function() {
-        var field = new Blockly.FieldNumber(
-            undefined, undefined, 1, undefined, undefined, {
-              max: 10
-            });
+      test('JS Configuration - Ignore', function () {
+        const field = new Blockly.FieldNumber(
+          undefined,
+          undefined,
+          1,
+          undefined,
+          undefined,
+          {
+            max: 10,
+          },
+        );
         assertNumberField(field, -Infinity, 10, 0, 0);
       });
     });
-    suite('Precision', function() {
-      test('JS Constructor', function() {
-        var field = new Blockly.FieldNumber(0, undefined, undefined, 1);
+    suite('Precision', function () {
+      test('JS Constructor', function () {
+        const field = new Blockly.FieldNumber(0, undefined, undefined, 1);
         assertNumberField(field, -Infinity, Infinity, 1, 0);
       });
-      test('JSON Definition', function() {
-        var field = Blockly.FieldNumber.fromJson({
+      test('JSON Definition', function () {
+        const field = Blockly.FieldNumber.fromJson({
           precision: 1,
         });
         assertNumberField(field, -Infinity, Infinity, 1, 0);
       });
-      test('Set Constraints', function() {
-        var field = new Blockly.FieldNumber();
+      test('Set Constraints', function () {
+        const field = new Blockly.FieldNumber();
         field.setConstraints(undefined, undefined, 1);
         assertNumberField(field, -Infinity, Infinity, 1, 0);
       });
-      test('Set Precision', function() {
-        var field = new Blockly.FieldNumber();
+      test('Set Precision', function () {
+        const field = new Blockly.FieldNumber();
         field.setPrecision(1);
         assertNumberField(field, -Infinity, Infinity, 1, 0);
       });
-      test('JS Configuration - Simple', function() {
-        var field = new Blockly.FieldNumber(
-            undefined, undefined, undefined, undefined, undefined, {
-              precision: 1
-            });
+      test('JS Configuration - Simple', function () {
+        const field = new Blockly.FieldNumber(
+          undefined,
+          undefined,
+          undefined,
+          undefined,
+          undefined,
+          {
+            precision: 1,
+          },
+        );
         assertNumberField(field, -Infinity, Infinity, 1, 0);
       });
-      test('JS Configuration - Ignore', function() {
-        var field = new Blockly.FieldNumber(
-            undefined, undefined, undefined, .5, undefined, {
-              precision: 1
-            });
+      test('JS Configuration - Ignore', function () {
+        const field = new Blockly.FieldNumber(
+          undefined,
+          undefined,
+          undefined,
+          0.5,
+          undefined,
+          {
+            precision: 1,
+          },
+        );
         assertNumberField(field, -Infinity, Infinity, 1, 0);
       });
     });
   });
+
+  suite('Serialization', function () {
+    setup(function () {
+      this.workspace = new Blockly.Workspace();
+      defineRowBlock();
+
+      this.assertValue = (value) => {
+        const block = this.workspace.newBlock('row_block');
+        const field = new Blockly.FieldNumber(value);
+        block.getInput('INPUT').appendField(field, 'NUMBER');
+        const jso = Blockly.serialization.blocks.save(block);
+        chai.assert.deepEqual(jso['fields'], {'NUMBER': value});
+      };
+    });
+
+    teardown(function () {
+      workspaceTeardown.call(this, this.workspace);
+    });
+
+    test('Simple', function () {
+      this.assertValue(10);
+    });
+
+    test('Max precision small', function () {
+      this.assertValue(1.000000000000001);
+    });
+
+    test('Max precision large', function () {
+      this.assertValue(1000000000000001);
+    });
+
+    test('Smallest', function () {
+      this.assertValue(5e-324);
+    });
+
+    test('Largest', function () {
+      this.assertValue(1.7976931348623157e308);
+    });
+  });
 });
diff --git a/tests/mocha/field_registry_test.js b/tests/mocha/field_registry_test.js
index dffc47af61f..aca5487469b 100644
--- a/tests/mocha/field_registry_test.js
+++ b/tests/mocha/field_registry_test.js
@@ -4,93 +4,112 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Tests for Blockly.fieldRegistry
- * @author bekawestberg@gmail.com (Beka Westberg)
- */
-'use strict';
+import * as Blockly from '../../build/src/core/blockly.js';
+import {createDeprecationWarningStub} from './test_helpers/warnings.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Field Registry', function () {
+  class CustomFieldType extends Blockly.Field {
+    constructor(value) {
+      super(value);
+    }
 
-suite('Field Registry', function() {
-  function CustomFieldType(value) {
-    CustomFieldType.superClass_.constructor.call(this, value);
+    static fromJson(options) {
+      return new CustomFieldType(options['value']);
+    }
   }
-  Blockly.utils.object.inherits(CustomFieldType, Blockly.Field);
-  CustomFieldType.fromJson = function(options) {
-    return new CustomFieldType(options['value']);
-  };
 
-  setup(function() {
+  setup(function () {
     sharedTestSetup.call(this);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
-    if (Blockly.registry.typeMap_['field']['field_custom_test']) {
-      delete Blockly.registry.typeMap_['field']['field_custom_test'];
+    if (Blockly.registry.TEST_ONLY.typeMap['field']['field_custom_test']) {
+      delete Blockly.registry.TEST_ONLY.typeMap['field']['field_custom_test'];
     }
   });
 
-  suite('Registration', function() {
-    test('Simple', function() {
+  suite('Registration', function () {
+    test('Simple', function () {
       Blockly.fieldRegistry.register('field_custom_test', CustomFieldType);
     });
-    test('fromJson as Key', function() {
-      chai.assert.throws(function() {
+    test('fromJson as Key', function () {
+      chai.assert.throws(function () {
         Blockly.fieldRegistry.register(CustomFieldType.fromJson, '');
       }, 'Invalid name');
     });
-    test('No fromJson', function() {
-      var fromJson = CustomFieldType.fromJson;
-      delete CustomFieldType.fromJson;
-      chai.assert.throws(function() {
-        Blockly.fieldRegistry.register('field_custom_test', CustomFieldType);
+    test('No fromJson', function () {
+      class IncorrectField {}
+      chai.assert.throws(function () {
+        Blockly.fieldRegistry.register('field_custom_test', IncorrectField);
       }, 'must have a fromJson function');
-      CustomFieldType.fromJson = fromJson;
     });
-    test('fromJson not a function', function() {
-      var fromJson = CustomFieldType.fromJson;
+    test('fromJson not a function', function () {
+      const fromJson = CustomFieldType.fromJson;
       CustomFieldType.fromJson = true;
-      chai.assert.throws(function() {
+      chai.assert.throws(function () {
         Blockly.fieldRegistry.register('field_custom_test', CustomFieldType);
       }, 'must have a fromJson function');
       CustomFieldType.fromJson = fromJson;
     });
   });
-  suite('Retrieval', function() {
-    test('Simple', function() {
+  suite('Retrieval', function () {
+    test('Simple', function () {
       Blockly.fieldRegistry.register('field_custom_test', CustomFieldType);
 
-      var json = {
+      const json = {
         type: 'field_custom_test',
-        value: 'ok'
+        value: 'ok',
       };
 
-      var field = Blockly.fieldRegistry.fromJson(json);
+      const field = Blockly.fieldRegistry.fromJson(json);
+
       chai.assert.isNotNull(field);
       chai.assert.equal(field.getValue(), 'ok');
     });
-    test('Not Registered', function() {
-      var json = {
+    test('Not Registered', function () {
+      const json = {
         type: 'field_custom_test',
-        value: 'ok'
+        value: 'ok',
       };
 
-      var spy = sinon.stub(console, 'warn');
-      var field = Blockly.fieldRegistry.fromJson(json);
+      const spy = sinon.stub(console, 'warn');
+      const field = Blockly.fieldRegistry.fromJson(json);
       chai.assert.isNull(field);
       chai.assert.isTrue(spy.called);
       spy.restore();
     });
-    test('Case Different', function() {
+    test('Case Different', function () {
       Blockly.fieldRegistry.register('field_custom_test', CustomFieldType);
 
-      var json = {
+      const json = {
         type: 'FIELD_CUSTOM_TEST',
-        value: 'ok'
+        value: 'ok',
       };
 
-      var field = Blockly.fieldRegistry.fromJson(json);
+      const field = Blockly.fieldRegistry.fromJson(json);
+
       chai.assert.isNotNull(field);
       chai.assert.equal(field.getValue(), 'ok');
     });
+    test('Did not override fromJson', function () {
+      // This class will have a fromJson method, so it can be registered
+      // but it doesn't override the abstract class's method so it throws
+      class IncorrectField extends Blockly.Field {}
+
+      Blockly.fieldRegistry.register('field_custom_test', IncorrectField);
+
+      const json = {
+        type: 'field_custom_test',
+        value: 'ok',
+      };
+
+      chai.assert.throws(function () {
+        Blockly.fieldRegistry.fromJson(json);
+      }, 'Attempted to instantiate a field from the registry');
+    });
   });
 });
diff --git a/tests/mocha/field_test.js b/tests/mocha/field_test.js
index 76f2ef0accd..7265a1bb4cd 100644
--- a/tests/mocha/field_test.js
+++ b/tests/mocha/field_test.js
@@ -4,71 +4,362 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Abstract Fields', function() {
-  setup(function() {
+import * as Blockly from '../../build/src/core/blockly.js';
+import {
+  addBlockTypeToCleanup,
+  addMessageToCleanup,
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+import {createDeprecationWarningStub} from './test_helpers/warnings.js';
+
+suite('Abstract Fields', function () {
+  setup(function () {
     sharedTestSetup.call(this);
-    // TODO(#4197): Remove stubbing of deprecation warning after fixing.
-    // field.setValue calls trigger a deprecation warning, capture to prevent
-    // console logs.
-    createDeprecationWarningStub();
   });
-  teardown(function() {
+
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
-  suite('Is Serializable', function() {
+
+  suite('Is Serializable', function () {
     // Both EDITABLE and SERIALIZABLE are default.
-    function FieldDefault() {
-      this.name = 'NAME';
+    class FieldDefault extends Blockly.Field {
+      constructor() {
+        super();
+        this.name = 'NAME';
+      }
     }
-    FieldDefault.prototype = Object.create(Blockly.Field.prototype);
+
     // EDITABLE is false and SERIALIZABLE is default.
-    function FieldFalseDefault() {
-      this.name = 'NAME';
+    class FieldFalseDefault extends Blockly.Field {
+      constructor() {
+        super();
+        this.name = 'NAME';
+        this.EDITABLE = false;
+      }
     }
-    FieldFalseDefault.prototype = Object.create(Blockly.Field.prototype);
-    FieldFalseDefault.prototype.EDITABLE = false;
+
     // EDITABLE is default and SERIALIZABLE is true.
-    function FieldDefaultTrue() {
-      this.name = 'NAME';
+    class FieldDefaultTrue extends Blockly.Field {
+      constructor() {
+        super();
+        this.name = 'NAME';
+        this.SERIALIZABLE = true;
+      }
     }
-    FieldDefaultTrue.prototype = Object.create(Blockly.Field.prototype);
-    FieldDefaultTrue.prototype.SERIALIZABLE = true;
+
     // EDITABLE is false and SERIALIZABLE is true.
-    function FieldFalseTrue() {
-      this.name = 'NAME';
+    class FieldFalseTrue extends Blockly.Field {
+      constructor() {
+        super();
+        this.name = 'NAME';
+        this.EDITABLE = false;
+        this.SERIALIZABLE = true;
+      }
     }
-    FieldFalseTrue.prototype = Object.create(Blockly.Field.prototype);
-    FieldFalseTrue.prototype.EDITABLE = false;
-    FieldFalseTrue.prototype.SERIALIZABLE = true;
 
     /* Test Backwards Compatibility */
-    test('Editable Default(true), Serializable Default(false)', function() {
+    test('Editable Default(true), Serializable Default(false)', function () {
       // An old default field should be serialized.
-      var field = new FieldDefault();
-      var stub = sinon.stub(console, 'warn');
+      const field = new FieldDefault();
+      const stub = sinon.stub(console, 'warn');
       chai.assert.isTrue(field.isSerializable());
       sinon.assert.calledOnce(stub);
       stub.restore();
     });
-    test('Editable False, Serializable Default(false)', function() {
+    test('Editable False, Serializable Default(false)', function () {
       // An old non-editable field should not be serialized.
-      var field = new FieldFalseDefault();
+      const field = new FieldFalseDefault();
       chai.assert.isFalse(field.isSerializable());
     });
     /* Test Other Cases */
-    test('Editable Default(true), Serializable True', function() {
+    test('Editable Default(true), Serializable True', function () {
       // A field that is both editable and serializable should be serialized.
-      var field = new FieldDefaultTrue();
+      const field = new FieldDefaultTrue();
       chai.assert.isTrue(field.isSerializable());
     });
-    test('Editable False, Serializable True', function() {
+    test('Editable False, Serializable True', function () {
       // A field that is not editable, but overrides serializable to true
       // should be serialized (e.g. field_label_serializable)
-      var field = new FieldFalseTrue();
+      const field = new FieldFalseTrue();
       chai.assert.isTrue(field.isSerializable());
     });
   });
-  suite('setValue', function() {
+
+  suite('Serialization', function () {
+    class DefaultSerializationField extends Blockly.Field {
+      constructor(value, validator = undefined, config = undefined) {
+        super(value, validator, config);
+        this.SERIALIZABLE = true;
+      }
+    }
+
+    class CustomXmlField extends Blockly.Field {
+      constructor(value, validator = undefined, config = undefined) {
+        super(value, validator, config);
+        this.SERIALIZABLE = true;
+      }
+
+      toXml(fieldElement) {
+        fieldElement.textContent = 'custom value';
+        return fieldElement;
+      }
+
+      fromXml(fieldElement) {
+        this.someProperty = fieldElement.textContent;
+      }
+    }
+
+    class CustomXmlCallSuperField extends Blockly.Field {
+      constructor(value, validator = undefined, config = undefined) {
+        super(value, validator, config);
+        this.SERIALIZABLE = true;
+      }
+
+      toXml(fieldElement) {
+        super.toXml(fieldElement);
+        fieldElement.setAttribute('attribute', 'custom value');
+        return fieldElement;
+      }
+
+      fromXml(fieldElement) {
+        super.fromXml(fieldElement);
+        this.someProperty = fieldElement.getAttribute('attribute');
+      }
+    }
+
+    class CustomJsoField extends Blockly.Field {
+      constructor(value, validator = undefined, config = undefined) {
+        super(value, validator, config);
+        this.SERIALIZABLE = true;
+      }
+
+      saveState() {
+        return 'custom value';
+      }
+
+      loadState(state) {
+        this.someProperty = state;
+      }
+    }
+
+    class CustomJsoCallSuperField extends Blockly.Field {
+      constructor(value, validator = undefined, config = undefined) {
+        super(value, validator, config);
+        this.SERIALIZABLE = true;
+      }
+
+      saveState() {
+        return {
+          default: super.saveState(),
+          val: 'custom value',
+        };
+      }
+
+      loadState(state) {
+        super.loadState(state.default);
+        this.someProperty = state.val;
+      }
+    }
+
+    class CustomXmlAndJsoField extends Blockly.Field {
+      constructor(value, validator = undefined, config = undefined) {
+        super(value, validator, config);
+        this.SERIALIZABLE = true;
+      }
+
+      toXml(fieldElement) {
+        fieldElement.textContent = 'custom value';
+        return fieldElement;
+      }
+
+      fromXml(fieldElement) {
+        this.someProperty = fieldElement.textContent;
+      }
+
+      saveState() {
+        return 'custom value';
+      }
+
+      loadState(state) {
+        this.someProperty = state;
+      }
+    }
+
+    suite('Save', function () {
+      suite('JSO', function () {
+        test('No implementations', function () {
+          const field = new DefaultSerializationField('test value');
+          const value = field.saveState();
+          chai.assert.equal(value, 'test value');
+        });
+
+        test('Xml implementations', function () {
+          const field = new CustomXmlField('test value');
+          const value = field.saveState();
+          chai.assert.equal(value, '<field name="">custom value</field>');
+        });
+
+        test('Xml super implementation', function () {
+          const field = new CustomXmlCallSuperField('test value');
+          const value = field.saveState();
+          chai.assert.equal(
+            value,
+            '<field name="" attribute="custom value">test value</field>',
+          );
+        });
+
+        test('JSO implementations', function () {
+          const field = new CustomJsoField('test value');
+          const value = field.saveState();
+          chai.assert.equal(value, 'custom value');
+        });
+
+        test('JSO super implementations', function () {
+          const field = new CustomJsoCallSuperField('test value');
+          const value = field.saveState();
+          chai.assert.deepEqual(value, {
+            default: 'test value',
+            val: 'custom value',
+          });
+        });
+
+        test('Xml and JSO implementations', function () {
+          const field = new CustomXmlAndJsoField('test value');
+          const value = field.saveState();
+          chai.assert.equal(value, 'custom value');
+        });
+      });
+
+      suite('Xml', function () {
+        test('No implementations', function () {
+          const field = new DefaultSerializationField('test value');
+          const element = document.createElement('field');
+          const value = Blockly.Xml.domToText(field.toXml(element));
+          chai.assert.equal(
+            value,
+            '<field xmlns="http://www.w3.org/1999/xhtml">test value</field>',
+          );
+        });
+
+        test('Xml implementations', function () {
+          const field = new CustomXmlField('test value');
+          const element = document.createElement('field');
+          const value = Blockly.Xml.domToText(field.toXml(element));
+          chai.assert.equal(
+            value,
+            '<field xmlns="http://www.w3.org/1999/xhtml">custom value</field>',
+          );
+        });
+
+        test('Xml super implementation', function () {
+          const field = new CustomXmlCallSuperField('test value');
+          const element = document.createElement('field');
+          const value = Blockly.Xml.domToText(field.toXml(element));
+          chai.assert.equal(
+            value,
+            '<field xmlns="http://www.w3.org/1999/xhtml" ' +
+              'attribute="custom value">test value</field>',
+          );
+        });
+
+        test('Xml and JSO implementations', function () {
+          const field = new CustomXmlAndJsoField('test value');
+          const element = document.createElement('field');
+          const value = Blockly.Xml.domToText(field.toXml(element));
+          chai.assert.equal(
+            value,
+            '<field xmlns="http://www.w3.org/1999/xhtml">custom value</field>',
+          );
+        });
+      });
+    });
+
+    suite('Load', function () {
+      suite('JSO', function () {
+        test('No implementations', function () {
+          const field = new DefaultSerializationField('');
+          field.loadState('test value');
+          chai.assert.equal(field.getValue(), 'test value');
+        });
+
+        test('Xml implementations', function () {
+          const field = new CustomXmlField('');
+          field.loadState('<field name="">custom value</field>');
+          chai.assert.equal(field.someProperty, 'custom value');
+        });
+
+        test('Xml super implementation', function () {
+          const field = new CustomXmlCallSuperField('');
+          field.loadState(
+            '<field attribute="custom value" name="">test value</field>',
+          );
+          chai.assert.equal(field.getValue(), 'test value');
+          chai.assert.equal(field.someProperty, 'custom value');
+        });
+
+        test('JSO implementations', function () {
+          const field = new CustomJsoField('');
+          field.loadState('custom value');
+          chai.assert.equal(field.someProperty, 'custom value');
+        });
+
+        test('JSO super implementations', function () {
+          const field = new CustomJsoCallSuperField('');
+          field.loadState({default: 'test value', val: 'custom value'});
+          chai.assert.equal(field.getValue(), 'test value');
+          chai.assert.equal(field.someProperty, 'custom value');
+        });
+
+        test('Xml and JSO implementations', function () {
+          const field = new CustomXmlAndJsoField('');
+          field.loadState('custom value');
+          chai.assert.equal(field.someProperty, 'custom value');
+        });
+      });
+
+      suite('Xml', function () {
+        test('No implementations', function () {
+          const field = new DefaultSerializationField('');
+          field.fromXml(
+            Blockly.utils.xml.textToDom('<field name="">test value</field>'),
+          );
+          chai.assert.equal(field.getValue(), 'test value');
+        });
+
+        test('Xml implementations', function () {
+          const field = new CustomXmlField('');
+          field.fromXml(
+            Blockly.utils.xml.textToDom('<field name="">custom value</field>'),
+          );
+          chai.assert.equal(field.someProperty, 'custom value');
+        });
+
+        test('Xml super implementation', function () {
+          const field = new CustomXmlCallSuperField('');
+          field.fromXml(
+            Blockly.utils.xml.textToDom(
+              '<field attribute="custom value" name="">test value</field>',
+            ),
+          );
+          chai.assert.equal(field.getValue(), 'test value');
+          chai.assert.equal(field.someProperty, 'custom value');
+        });
+
+        test('XML andd JSO implementations', function () {
+          const field = new CustomXmlAndJsoField('');
+          field.fromXml(
+            Blockly.utils.xml.textToDom('<field name="">custom value</field>'),
+          );
+          chai.assert.equal(field.someProperty, 'custom value');
+        });
+      });
+    });
+  });
+
+  suite('setValue', function () {
     function addSpies(field, excludeSpies = []) {
       if (!excludeSpies.includes('doValueInvalid_')) {
         sinon.spy(field, 'doValueInvalid_');
@@ -81,23 +372,23 @@ suite('Abstract Fields', function() {
       }
     }
     function stubDoValueInvalid(field, isDirty) {
-      sinon.stub(field, 'doValueInvalid_').callsFake(function(newValue) {
+      sinon.stub(field, 'doValueInvalid_').callsFake(function (newValue) {
         this.isDirty_ = isDirty;
       });
     }
     function stubDoValueUpdate(field, isDirty) {
-      sinon.stub(field, 'doValueUpdate_').callsFake(function(newValue) {
+      sinon.stub(field, 'doValueUpdate_').callsFake(function (newValue) {
         this.isDirty_ = isDirty;
       });
     }
     function setLocalValidatorWithReturn(field, value) {
-      field.setValidator(function() {
+      field.setValidator(function () {
         return value;
       });
     }
     function setLocalValidator(field, isValid) {
       if (isValid) {
-        field.setValidator(function(newValue) {
+        field.setValidator(function (newValue) {
           return newValue;
         });
       } else {
@@ -109,32 +400,32 @@ suite('Abstract Fields', function() {
     }
     function stubClassValidator(field, isValid) {
       if (isValid) {
-        sinon.stub(field, 'doClassValidation_').callsFake(function(newValue) {
+        sinon.stub(field, 'doClassValidation_').callsFake(function (newValue) {
           return newValue;
         });
       } else {
         stubClassValidatorWithReturn(field, null);
       }
     }
-    setup(function() {
+    setup(function () {
       this.field = new Blockly.Field();
       this.field.isDirty_ = false;
     });
-    test('Null', function() {
+    test('Null', function () {
       addSpies(this.field);
       this.field.setValue(null);
       sinon.assert.notCalled(this.field.doValueInvalid_);
       sinon.assert.notCalled(this.field.doValueUpdate_);
       sinon.assert.notCalled(this.field.forceRerender);
     });
-    test('No Validators, Dirty (Default)', function() {
+    test('No Validators, Dirty (Default)', function () {
       addSpies(this.field);
       this.field.setValue('value');
       sinon.assert.notCalled(this.field.doValueInvalid_);
       sinon.assert.calledOnce(this.field.doValueUpdate_);
       sinon.assert.calledOnce(this.field.forceRerender);
     });
-    test('No Validators, Not Dirty', function() {
+    test('No Validators, Not Dirty', function () {
       stubDoValueUpdate(this.field, false);
       addSpies(this.field, ['doValueUpdate_']);
       this.field.setValue('value');
@@ -142,7 +433,7 @@ suite('Abstract Fields', function() {
       sinon.assert.calledOnce(this.field.doValueUpdate_);
       sinon.assert.notCalled(this.field.forceRerender);
     });
-    test('Class Validator Returns Invalid, Not Dirty (Default)', function() {
+    test('Class Validator Returns Invalid, Not Dirty (Default)', function () {
       stubClassValidator(this.field, false);
       addSpies(this.field);
       this.field.setValue('value');
@@ -150,7 +441,7 @@ suite('Abstract Fields', function() {
       sinon.assert.notCalled(this.field.doValueUpdate_);
       sinon.assert.notCalled(this.field.forceRerender);
     });
-    test('Class Validator Returns Invalid, Dirty', function() {
+    test('Class Validator Returns Invalid, Dirty', function () {
       stubClassValidator(this.field, false);
       stubDoValueInvalid(this.field, true);
       addSpies(this.field, ['doValueInvalid_']);
@@ -159,7 +450,7 @@ suite('Abstract Fields', function() {
       sinon.assert.notCalled(this.field.doValueUpdate_);
       sinon.assert.calledOnce(this.field.forceRerender);
     });
-    test('Class Validator Returns Valid, Not Dirty', function() {
+    test('Class Validator Returns Valid, Not Dirty', function () {
       stubClassValidator(this.field, true);
       stubDoValueUpdate(this.field, false);
       addSpies(this.field, ['doValueUpdate_']);
@@ -168,7 +459,7 @@ suite('Abstract Fields', function() {
       sinon.assert.calledOnce(this.field.doValueUpdate_);
       sinon.assert.notCalled(this.field.forceRerender);
     });
-    test('Class Validator Returns Valid, Dirty (Default)', function() {
+    test('Class Validator Returns Valid, Dirty (Default)', function () {
       stubClassValidator(this.field, true);
       addSpies(this.field);
       this.field.setValue('value');
@@ -176,7 +467,7 @@ suite('Abstract Fields', function() {
       sinon.assert.calledOnce(this.field.doValueUpdate_);
       sinon.assert.calledOnce(this.field.forceRerender);
     });
-    test('Local Validator Returns Invalid, Not Dirty (Default)', function() {
+    test('Local Validator Returns Invalid, Not Dirty (Default)', function () {
       setLocalValidator(this.field, false);
       addSpies(this.field);
       this.field.setValue('value');
@@ -184,7 +475,7 @@ suite('Abstract Fields', function() {
       sinon.assert.notCalled(this.field.doValueUpdate_);
       sinon.assert.notCalled(this.field.forceRerender);
     });
-    test('Local Validator Returns Invalid, Dirty', function() {
+    test('Local Validator Returns Invalid, Dirty', function () {
       stubDoValueInvalid(this.field, true);
       setLocalValidator(this.field, false);
       addSpies(this.field, ['doValueInvalid_']);
@@ -193,7 +484,7 @@ suite('Abstract Fields', function() {
       sinon.assert.notCalled(this.field.doValueUpdate_);
       sinon.assert.calledOnce(this.field.forceRerender);
     });
-    test('Local Validator Returns Valid, Not Dirty', function() {
+    test('Local Validator Returns Valid, Not Dirty', function () {
       stubDoValueUpdate(this.field, false);
       setLocalValidator(this.field, true);
       addSpies(this.field, ['doValueUpdate_']);
@@ -202,7 +493,7 @@ suite('Abstract Fields', function() {
       sinon.assert.calledOnce(this.field.doValueUpdate_);
       sinon.assert.notCalled(this.field.forceRerender);
     });
-    test('Local Validator Returns Valid, Dirty (Default)', function() {
+    test('Local Validator Returns Valid, Dirty (Default)', function () {
       setLocalValidator(this.field, true);
       addSpies(this.field);
       this.field.setValue('value');
@@ -210,33 +501,33 @@ suite('Abstract Fields', function() {
       sinon.assert.calledOnce(this.field.doValueUpdate_);
       sinon.assert.calledOnce(this.field.forceRerender);
     });
-    test('New Value Matches Old Value', function() {
+    test('New Value Matches Old Value', function () {
       this.field.setValue('value');
       addSpies(this.field);
       this.field.setValue('value');
       sinon.assert.notCalled(this.field.doValueInvalid_);
-      sinon.assert.notCalled(this.field.doValueUpdate_);
+      sinon.assert.calledOnce(this.field.doValueUpdate_);
       sinon.assert.notCalled(this.field.forceRerender);
     });
-    test('New Value (Class)Validates to Old Value', function() {
+    test('New Value (Class)Validates to Old Value', function () {
       this.field.setValue('value');
       stubClassValidatorWithReturn(this.field, 'value');
       addSpies(this.field);
       this.field.setValue('notValue');
       sinon.assert.notCalled(this.field.doValueInvalid_);
-      sinon.assert.notCalled(this.field.doValueUpdate_);
+      sinon.assert.calledOnce(this.field.doValueUpdate_);
       sinon.assert.notCalled(this.field.forceRerender);
     });
-    test('New Value (Local)Validates to Old Value', function() {
+    test('New Value (Local)Validates to Old Value', function () {
       this.field.setValue('value');
       setLocalValidatorWithReturn(this.field, 'value');
       addSpies(this.field);
       this.field.setValue('notValue');
       sinon.assert.notCalled(this.field.doValueInvalid_);
-      sinon.assert.notCalled(this.field.doValueUpdate_);
+      sinon.assert.calledOnce(this.field.doValueUpdate_);
       sinon.assert.notCalled(this.field.forceRerender);
     });
-    test('New Value (Class)Validates to not Old Value', function() {
+    test('New Value (Class)Validates to not Old Value', function () {
       this.field.setValue('value');
       stubClassValidatorWithReturn(this.field, 'notValue');
       addSpies(this.field);
@@ -244,7 +535,7 @@ suite('Abstract Fields', function() {
       sinon.assert.notCalled(this.field.doValueInvalid_);
       sinon.assert.calledOnce(this.field.doValueUpdate_);
     });
-    test('New Value (Local)Validates to not Old Value', function() {
+    test('New Value (Local)Validates to not Old Value', function () {
       this.field.setValue('value');
       setLocalValidatorWithReturn(this.field, 'notValue');
       addSpies(this.field);
@@ -252,31 +543,32 @@ suite('Abstract Fields', function() {
       sinon.assert.notCalled(this.field.doValueInvalid_);
       sinon.assert.calledOnce(this.field.doValueUpdate_);
     });
-    test('Class Validator Returns Null', function() {
+    test('Class Validator Returns Null', function () {
       stubClassValidatorWithReturn(this.field, null);
       addSpies(this.field);
       this.field.setValue('value');
       sinon.assert.calledOnce(this.field.doValueInvalid_);
       sinon.assert.notCalled(this.field.doValueUpdate_);
     });
-    test('Class Validator Returns Same', function() {
-      sinon.stub(this.field, 'doClassValidation_').callsFake(
-          function(newValue) {
-            return newValue;
-          });
+    test('Class Validator Returns Same', function () {
+      sinon
+        .stub(this.field, 'doClassValidation_')
+        .callsFake(function (newValue) {
+          return newValue;
+        });
       addSpies(this.field);
       this.field.setValue('value');
       sinon.assert.notCalled(this.field.doValueInvalid_);
       sinon.assert.calledOnce(this.field.doValueUpdate_);
     });
-    test('Class Validator Returns Different', function() {
+    test('Class Validator Returns Different', function () {
       stubClassValidatorWithReturn(this.field, 'differentValue');
       addSpies(this.field);
       this.field.setValue('value');
       sinon.assert.notCalled(this.field.doValueInvalid_);
       sinon.assert.calledOnce(this.field.doValueUpdate_);
     });
-    test('Class Validator Returns Undefined', function() {
+    test('Class Validator Returns Undefined', function () {
       stubClassValidatorWithReturn(this.field, undefined);
       addSpies(this.field);
       this.field.setValue('value');
@@ -284,15 +576,15 @@ suite('Abstract Fields', function() {
       sinon.assert.notCalled(this.field.doValueInvalid_);
       sinon.assert.calledOnce(this.field.doValueUpdate_);
     });
-    test('Local Validator Returns Null', function() {
+    test('Local Validator Returns Null', function () {
       setLocalValidatorWithReturn(this.field, null);
       addSpies(this.field);
       this.field.setValue('value');
       sinon.assert.calledOnce(this.field.doValueInvalid_);
       sinon.assert.notCalled(this.field.doValueUpdate_);
     });
-    test('Local Validator Returns Same', function() {
-      this.field.setValidator(function(newValue) {
+    test('Local Validator Returns Same', function () {
+      this.field.setValidator(function (newValue) {
         return newValue;
       });
       addSpies(this.field);
@@ -300,14 +592,14 @@ suite('Abstract Fields', function() {
       sinon.assert.notCalled(this.field.doValueInvalid_);
       sinon.assert.calledOnce(this.field.doValueUpdate_);
     });
-    test('Local Validator Returns Different', function() {
+    test('Local Validator Returns Different', function () {
       setLocalValidatorWithReturn(this.field, 'differentValue');
       addSpies(this.field);
       this.field.setValue('value');
       sinon.assert.notCalled(this.field.doValueInvalid_);
       sinon.assert.calledOnce(this.field.doValueUpdate_);
     });
-    test('Local Validator Returns Undefined', function() {
+    test('Local Validator Returns Undefined', function () {
       setLocalValidatorWithReturn(this.field, undefined);
       addSpies(this.field);
       this.field.setValue('value');
@@ -316,195 +608,211 @@ suite('Abstract Fields', function() {
       sinon.assert.calledOnce(this.field.doValueUpdate_);
     });
   });
-  suite('Customization', function() {
+
+  suite('Customization', function () {
     // All this field does is wrap the abstract field.
-    function CustomField(opt_config) {
-      CustomField.superClass_.constructor.call(
-          this, 'value', null, opt_config);
+    class CustomField extends Blockly.Field {
+      constructor(opt_config) {
+        super('value', null, opt_config);
+      }
+
+      static fromJson(options) {
+        return new CustomField(options);
+      }
     }
-    Blockly.utils.object.inherits(CustomField, Blockly.Field);
-    CustomField.fromJson = function(options) {
-      return new CustomField(options);
-    };
-
-    suite('Tooltip', function() {
-      test('JS Constructor', function() {
-        var field = new Blockly.Field('value', null, {
+
+    suite('Tooltip', function () {
+      test('JS Constructor', function () {
+        const field = new Blockly.Field('value', null, {
           tooltip: 'test tooltip',
         });
         chai.assert.equal(field.tooltip_, 'test tooltip');
       });
-      test('JS Constructor - Dynamic', function() {
-        var returnTooltip = function() {
+      test('JS Constructor - Dynamic', function () {
+        const returnTooltip = function () {
           return 'dynamic tooltip text';
         };
-        var field = new Blockly.Field('value', null, {
-          tooltip: returnTooltip
+        const field = new Blockly.Field('value', null, {
+          tooltip: returnTooltip,
         });
         chai.assert.equal(field.tooltip_, returnTooltip);
       });
-      test('JSON Definition', function() {
-        var field = CustomField.fromJson({
-          tooltip: "test tooltip"
+      test('JSON Definition', function () {
+        const field = CustomField.fromJson({
+          tooltip: 'test tooltip',
         });
         chai.assert.equal(field.tooltip_, 'test tooltip');
       });
-      suite('W/ Msg References', function() {
-        setup(function() {
+      suite('W/ Msg References', function () {
+        setup(function () {
           addMessageToCleanup(this.sharedCleanup, 'TOOLTIP');
           Blockly.Msg['TOOLTIP'] = 'test tooltip';
         });
-        test('JS Constructor', function() {
-          var field = new Blockly.Field('value', null, {
+        test('JS Constructor', function () {
+          const field = new Blockly.Field('value', null, {
             tooltip: '%{BKY_TOOLTIP}',
           });
           chai.assert.equal(field.tooltip_, 'test tooltip');
         });
-        test('JSON Definition', function() {
-          var field = CustomField.fromJson({
-            tooltip: "%{BKY_TOOLTIP}"
+        test('JSON Definition', function () {
+          const field = CustomField.fromJson({
+            tooltip: '%{BKY_TOOLTIP}',
           });
           chai.assert.equal(field.tooltip_, 'test tooltip');
         });
       });
-      suite('setTooltip', function() {
-        setup(function() {
+      suite('setTooltip', function () {
+        setup(function () {
           this.workspace = new Blockly.WorkspaceSvg(new Blockly.Options({}));
           this.workspace.createDom();
         });
-        teardown(function() {
+        teardown(function () {
           workspaceTeardown.call(this, this.workspace);
         });
-        test('Before Append', function() {
+        test('Before Append', function () {
           addBlockTypeToCleanup(this.sharedCleanup, 'tooltip');
           Blockly.Blocks['tooltip'] = {
-            init: function() {
-              var field = new Blockly.FieldTextInput('default');
+            init: function () {
+              const field = new Blockly.FieldTextInput('default');
               field.setTooltip('tooltip');
-              this.appendDummyInput()
-                  .appendField(field, 'TOOLTIP');
+              this.appendDummyInput().appendField(field, 'TOOLTIP');
             },
           };
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<xml xmlns="https://developers.google.com/blockly/xml">' +
-              '  <block type="tooltip"></block>' +
-              '</xml>'
-          ).children[0], this.workspace);
-          var field = block.getField('TOOLTIP');
+                '  <block type="tooltip"></block>' +
+                '</xml>',
+            ).children[0],
+            this.workspace,
+          );
+          const field = block.getField('TOOLTIP');
           chai.assert.equal(field.getClickTarget_().tooltip, 'tooltip');
         });
-        test('After Append', function() {
+        test('After Append', function () {
           addBlockTypeToCleanup(this.sharedCleanup, 'tooltip');
           Blockly.Blocks['tooltip'] = {
-            init: function() {
-              var field = new Blockly.FieldTextInput('default');
-              this.appendDummyInput()
-                  .appendField(field, 'TOOLTIP');
+            init: function () {
+              const field = new Blockly.FieldTextInput('default');
+              this.appendDummyInput().appendField(field, 'TOOLTIP');
               field.setTooltip('tooltip');
             },
           };
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<xml xmlns="https://developers.google.com/blockly/xml">' +
-              '  <block type="tooltip"></block>' +
-              '</xml>'
-          ).children[0], this.workspace);
-          var field = block.getField('TOOLTIP');
+                '  <block type="tooltip"></block>' +
+                '</xml>',
+            ).children[0],
+            this.workspace,
+          );
+          const field = block.getField('TOOLTIP');
           chai.assert.equal(field.getClickTarget_().tooltip, 'tooltip');
         });
-        test('After Block Creation', function() {
+        test('After Block Creation', function () {
           addBlockTypeToCleanup(this.sharedCleanup, 'tooltip');
           Blockly.Blocks['tooltip'] = {
-            init: function() {
-              var field = new Blockly.FieldTextInput('default');
-              this.appendDummyInput()
-                  .appendField(field, 'TOOLTIP');
+            init: function () {
+              const field = new Blockly.FieldTextInput('default');
+              this.appendDummyInput().appendField(field, 'TOOLTIP');
             },
           };
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<xml xmlns="https://developers.google.com/blockly/xml">' +
-              '  <block type="tooltip"></block>' +
-              '</xml>'
-          ).children[0], this.workspace);
-          var field = block.getField('TOOLTIP');
+                '  <block type="tooltip"></block>' +
+                '</xml>',
+            ).children[0],
+            this.workspace,
+          );
+          const field = block.getField('TOOLTIP');
           field.setTooltip('tooltip');
           chai.assert.equal(field.getClickTarget_().tooltip, 'tooltip');
         });
-        test('Dynamic Function', function() {
+        test('Dynamic Function', function () {
           addBlockTypeToCleanup(this.sharedCleanup, 'tooltip');
           Blockly.Blocks['tooltip'] = {
-            init: function() {
-              var field = new Blockly.FieldTextInput('default');
+            init: function () {
+              const field = new Blockly.FieldTextInput('default');
               field.setTooltip(this.tooltipFunc);
-              this.appendDummyInput()
-                  .appendField(field, 'TOOLTIP');
+              this.appendDummyInput().appendField(field, 'TOOLTIP');
             },
 
-            tooltipFunc: function() {
+            tooltipFunc: function () {
               return this.getFieldValue('TOOLTIP');
-            }
+            },
           };
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<xml xmlns="https://developers.google.com/blockly/xml">' +
-              '  <block type="tooltip"></block>' +
-              '</xml>'
-          ).children[0], this.workspace);
-          var field = block.getField('TOOLTIP');
+                '  <block type="tooltip"></block>' +
+                '</xml>',
+            ).children[0],
+            this.workspace,
+          );
+          const field = block.getField('TOOLTIP');
           chai.assert.equal(field.getClickTarget_().tooltip, block.tooltipFunc);
         });
-        test('Element', function() {
+        test('Element', function () {
           addBlockTypeToCleanup(this.sharedCleanup, 'tooltip');
           Blockly.Blocks['tooltip'] = {
-            init: function() {
-              var field = new Blockly.FieldTextInput('default');
+            init: function () {
+              const field = new Blockly.FieldTextInput('default');
               field.setTooltip(this.element);
-              this.appendDummyInput()
-                  .appendField(field, 'TOOLTIP');
+              this.appendDummyInput().appendField(field, 'TOOLTIP');
             },
             element: {
-              tooltip: 'tooltip'
-            }
+              tooltip: 'tooltip',
+            },
           };
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<xml xmlns="https://developers.google.com/blockly/xml">' +
-              '  <block type="tooltip"></block>' +
-              '</xml>'
-          ).children[0], this.workspace);
-          var field = block.getField('TOOLTIP');
+                '  <block type="tooltip"></block>' +
+                '</xml>',
+            ).children[0],
+            this.workspace,
+          );
+          const field = block.getField('TOOLTIP');
           chai.assert.equal(field.getClickTarget_().tooltip, block.element);
         });
-        test('Null', function() {
+        test('Null', function () {
           addBlockTypeToCleanup(this.sharedCleanup, 'tooltip');
           Blockly.Blocks['tooltip'] = {
-            init: function() {
-              var field = new Blockly.FieldTextInput('default');
+            init: function () {
+              const field = new Blockly.FieldTextInput('default');
               field.setTooltip(null);
-              this.appendDummyInput()
-                  .appendField(field, 'TOOLTIP');
+              this.appendDummyInput().appendField(field, 'TOOLTIP');
             },
           };
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<xml xmlns="https://developers.google.com/blockly/xml">' +
-              '  <block type="tooltip"></block>' +
-              '</xml>'
-          ).children[0], this.workspace);
-          var field = block.getField('TOOLTIP');
+                '  <block type="tooltip"></block>' +
+                '</xml>',
+            ).children[0],
+            this.workspace,
+          );
+          const field = block.getField('TOOLTIP');
           chai.assert.equal(field.getClickTarget_().tooltip, block);
         });
-        test('Undefined', function() {
+        test('Undefined', function () {
           addBlockTypeToCleanup(this.sharedCleanup, 'tooltip');
           Blockly.Blocks['tooltip'] = {
-            init: function() {
-              var field = new Blockly.FieldTextInput('default');
-              this.appendDummyInput()
-                  .appendField(field, 'TOOLTIP');
+            init: function () {
+              const field = new Blockly.FieldTextInput('default');
+              this.appendDummyInput().appendField(field, 'TOOLTIP');
             },
           };
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<xml xmlns="https://developers.google.com/blockly/xml">' +
-              '  <block type="tooltip"></block>' +
-              '</xml>'
-          ).children[0], this.workspace);
-          var field = block.getField('TOOLTIP');
+                '  <block type="tooltip"></block>' +
+                '</xml>',
+            ).children[0],
+            this.workspace,
+          );
+          const field = block.getField('TOOLTIP');
           chai.assert.equal(field.getClickTarget_().tooltip, block);
         });
       });
diff --git a/tests/mocha/field_textinput_test.js b/tests/mocha/field_textinput_test.js
index 10a2b013866..f68006e8768 100644
--- a/tests/mocha/field_textinput_test.js
+++ b/tests/mocha/field_textinput_test.js
@@ -4,18 +4,35 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Text Input Fields', function() {
-  setup(function() {
+import * as Blockly from '../../build/src/core/blockly.js';
+import {
+  assertFieldValue,
+  runConstructorSuiteTests,
+  runFromJsonSuiteTests,
+  runSetValueTests,
+} from './test_helpers/fields.js';
+import {
+  createTestBlock,
+  defineRowBlock,
+} from './test_helpers/block_definitions.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Text Input Fields', function () {
+  setup(function () {
     sharedTestSetup.call(this);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
   /**
    * Configuration for field tests with invalid values.
    * @type {!Array<!FieldCreationTestCase>}
    */
-  var invalidValueTestCases = [
+  const invalidValueTestCases = [
     {title: 'Undefined', value: undefined},
     {title: 'Null', value: null},
   ];
@@ -23,7 +40,7 @@ suite('Text Input Fields', function() {
    * Configuration for field tests with valid values.
    * @type {!Array<!FieldCreationTestCase>}
    */
-  var validValueTestCases = [
+  const validValueTestCases = [
     {title: 'String', value: 'value', expectedValue: 'value'},
     {title: 'Boolean true', value: true, expectedValue: 'true'},
     {title: 'Boolean false', value: false, expectedValue: 'false'},
@@ -31,7 +48,7 @@ suite('Text Input Fields', function() {
     {title: 'Number (Falsy)', value: 0, expectedValue: '0'},
     {title: 'NaN', value: NaN, expectedValue: 'NaN'},
   ];
-  var addArgsAndJson = function(testCase) {
+  const addArgsAndJson = function (testCase) {
     testCase.args = [testCase.value];
     testCase.json = {'text': testCase.value};
   };
@@ -42,172 +59,210 @@ suite('Text Input Fields', function() {
    * The expected default value for the field being tested.
    * @type {*}
    */
-  var defaultFieldValue = '';
+  const defaultFieldValue = '';
   /**
    * Asserts that the field property values are set to default.
-   * @param {!Blockly.FieldNumber} field The field to check.
+   * @param {!Blockly.FieldTextInput} field The field to check.
    */
-  var assertFieldDefault = function(field) {
-    testHelpers.assertFieldValue(field, defaultFieldValue);
+  const assertFieldDefault = function (field) {
+    assertFieldValue(field, defaultFieldValue);
   };
   /**
    * Asserts that the field properties are correct based on the test case.
-   * @param {!Blockly.FieldNumber} field The field to check.
+   * @param {!Blockly.FieldTextInput} field The field to check.
    * @param {!FieldValueTestCase} testCase The test case.
    */
-  var validTestCaseAssertField = function(field, testCase) {
-    testHelpers.assertFieldValue(field, testCase.expectedValue);
+  const validTestCaseAssertField = function (field, testCase) {
+    assertFieldValue(field, testCase.expectedValue);
   };
 
-  testHelpers.runConstructorSuiteTests(
-      Blockly.FieldTextInput, validValueTestCases, invalidValueTestCases,
-      validTestCaseAssertField, assertFieldDefault);
+  runConstructorSuiteTests(
+    Blockly.FieldTextInput,
+    validValueTestCases,
+    invalidValueTestCases,
+    validTestCaseAssertField,
+    assertFieldDefault,
+  );
 
-  testHelpers.runFromJsonSuiteTests(
-      Blockly.FieldTextInput, validValueTestCases,invalidValueTestCases,
-      validTestCaseAssertField, assertFieldDefault);
+  runFromJsonSuiteTests(
+    Blockly.FieldTextInput,
+    validValueTestCases,
+    invalidValueTestCases,
+    validTestCaseAssertField,
+    assertFieldDefault,
+  );
 
-  suite('setValue', function() {
-    suite('Empty -> New Value', function() {
-      setup(function() {
+  suite('setValue', function () {
+    suite('Empty -> New Value', function () {
+      setup(function () {
         this.field = new Blockly.FieldTextInput();
       });
-      testHelpers.runSetValueTests(
-          validValueTestCases, invalidValueTestCases, defaultFieldValue);
-      test('With source block', function() {
+      runSetValueTests(
+        validValueTestCases,
+        invalidValueTestCases,
+        defaultFieldValue,
+      );
+      test('With source block', function () {
         this.field.setSourceBlock(createTestBlock());
         this.field.setValue('value');
-        testHelpers.assertFieldValue(this.field, 'value');
+        assertFieldValue(this.field, 'value');
       });
     });
-    suite('Value -> New Value', function() {
-      var initialValue = 'oldValue';
-      setup(function() {
+    suite('Value -> New Value', function () {
+      const initialValue = 'oldValue';
+      setup(function () {
         this.field = new Blockly.FieldTextInput(initialValue);
       });
-      testHelpers.runSetValueTests(
-          validValueTestCases, invalidValueTestCases, initialValue);
-      test('With source block', function() {
+      runSetValueTests(
+        validValueTestCases,
+        invalidValueTestCases,
+        initialValue,
+      );
+      test('With source block', function () {
         this.field.setSourceBlock(createTestBlock());
         this.field.setValue('value');
-        testHelpers.assertFieldValue(this.field, 'value');
+        assertFieldValue(this.field, 'value');
       });
     });
   });
 
-  suite('Validators', function() {
-    setup(function() {
+  suite('Validators', function () {
+    setup(function () {
       this.field = new Blockly.FieldTextInput('value');
-      this.field.htmlInput_ = Object.create(null);
-      this.field.htmlInput_.oldValue_ = 'value';
-      this.field.htmlInput_.untypedDefaultValue_ = 'value';
+      this.field.valueWhenEditorWasOpened_ = this.field.getValue();
+      this.field.htmlInput_ = document.createElement('input');
+      this.field.htmlInput_.setAttribute('data-old-value', 'value');
+      this.field.htmlInput_.setAttribute('data-untyped-default-value', 'value');
       this.stub = sinon.stub(this.field, 'resizeEditor_');
     });
-    teardown(function() {
+    teardown(function () {
       sinon.restore();
     });
-    var testSuites = [
-      {title: 'Null Validator',
-        validator:
-            function() {
-              return null;
-            },
-        value: 'newValue', expectedValue: 'value'},
-      {title: 'Remove \'a\' Validator',
-        validator:
-            function(newValue) {
-              return newValue.replace(/a/g, '');
-            },
-        value: 'bbbaaa', expectedValue: 'bbb'},
-      {title: 'Returns Undefined Validator', validator: function() {},
-        value: 'newValue', expectedValue: 'newValue', expectedText: 'newValue'},
+    const testSuites = [
+      {
+        title: 'Null Validator',
+        validator: function () {
+          return null;
+        },
+        value: 'newValue',
+        expectedValue: 'value',
+      },
+      {
+        title: "Remove 'a' Validator",
+        validator: function (newValue) {
+          return newValue.replace(/a/g, '');
+        },
+        value: 'bbbaaa',
+        expectedValue: 'bbb',
+      },
+      {
+        title: 'Returns Undefined Validator',
+        validator: function () {},
+        value: 'newValue',
+        expectedValue: 'newValue',
+        expectedText: 'newValue',
+      },
     ];
-    testSuites.forEach(function(suiteInfo) {
-      suite(suiteInfo.title, function() {
-        setup(function() {
+    testSuites.forEach(function (suiteInfo) {
+      suite(suiteInfo.title, function () {
+        setup(function () {
           this.field.setValidator(suiteInfo.validator);
         });
-        test('When Editing', function() {
+        test('When Editing', function () {
           this.field.isBeingEdited_ = true;
           this.field.htmlInput_.value = suiteInfo.value;
           this.field.onHtmlInputChange_(null);
-          testHelpers.assertFieldValue(
-              this.field, suiteInfo.expectedValue, suiteInfo.value);
+          assertFieldValue(
+            this.field,
+            suiteInfo.expectedValue,
+            suiteInfo.value,
+          );
         });
-        test('When Not Editing', function() {
+        test('When Not Editing', function () {
           this.field.setValue(suiteInfo.value);
-          testHelpers.assertFieldValue(this.field, suiteInfo.expectedValue);
+          assertFieldValue(this.field, suiteInfo.expectedValue);
         });
       });
     });
   });
 
-  suite('Customization', function() {
-    suite('Spellcheck', function() {
-      setup(function() {
-        this.prepField = function(field) {
-          var workspace = {
-            getScale: function() {
+  suite('Customization', function () {
+    suite('Spellcheck', function () {
+      setup(function () {
+        this.prepField = function (field) {
+          const workspace = {
+            getScale: function () {
               return 1;
             },
-            getRenderer: function() { return {
-              getClassName: function() { return ''; }
-            }; },
-            getTheme: function() { return {
-              getClassName: function() { return ''; }
-            }; },
-            markFocused: function() {}
+            getRenderer: function () {
+              return {
+                getClassName: function () {
+                  return '';
+                },
+              };
+            },
+            getTheme: function () {
+              return {
+                getClassName: function () {
+                  return '';
+                },
+              };
+            },
+            markFocused: function () {},
+            options: {},
           };
           field.sourceBlock_ = {
-            workspace: workspace
+            workspace: workspace,
           };
           field.constants_ = {
             FIELD_TEXT_FONTSIZE: 11,
             FIELD_TEXT_FONTWEIGHT: 'normal',
-            FIELD_TEXT_FONTFAMILY: 'sans-serif'
+            FIELD_TEXT_FONTFAMILY: 'sans-serif',
           };
           field.clickTarget_ = document.createElement('div');
-          Blockly.mainWorkspace = workspace;
-          Blockly.WidgetDiv.DIV = document.createElement('div');
+          Blockly.common.setMainWorkspace(workspace);
+          Blockly.WidgetDiv.createDom();
           this.stub = sinon.stub(field, 'resizeEditor_');
         };
 
-        this.assertSpellcheck = function(field, value) {
+        this.assertSpellcheck = function (field, value) {
           this.prepField(field);
           field.showEditor_();
-          chai.assert.equal(field.htmlInput_.getAttribute('spellcheck'),
-              value.toString());
+          chai.assert.equal(
+            field.htmlInput_.getAttribute('spellcheck'),
+            value.toString(),
+          );
         };
       });
-      teardown(function() {
+      teardown(function () {
         if (this.stub) {
           this.stub.restore();
         }
       });
-      test('Default', function() {
-        var field = new Blockly.FieldTextInput('test');
+      test('Default', function () {
+        const field = new Blockly.FieldTextInput('test');
         this.assertSpellcheck(field, true);
       });
-      test('JS Constructor', function() {
-        var field = new Blockly.FieldTextInput('test', null, {
-          spellcheck: false
+      test('JS Constructor', function () {
+        const field = new Blockly.FieldTextInput('test', null, {
+          spellcheck: false,
         });
         this.assertSpellcheck(field, false);
       });
-      test('JSON Definition', function() {
-        var field = Blockly.FieldTextInput.fromJson({
+      test('JSON Definition', function () {
+        const field = Blockly.FieldTextInput.fromJson({
           text: 'test',
-          spellcheck: false
+          spellcheck: false,
         });
         this.assertSpellcheck(field, false);
       });
-      test('setSpellcheck Editor Hidden', function() {
-        var field = new Blockly.FieldTextInput('test');
+      test('setSpellcheck Editor Hidden', function () {
+        const field = new Blockly.FieldTextInput('test');
         field.setSpellcheck(false);
         this.assertSpellcheck(field, false);
       });
-      test('setSpellcheck Editor Shown', function() {
-        var field = new Blockly.FieldTextInput('test');
+      test('setSpellcheck Editor Shown', function () {
+        const field = new Blockly.FieldTextInput('test');
         this.prepField(field);
         field.showEditor_();
         field.setSpellcheck(false);
@@ -215,4 +270,27 @@ suite('Text Input Fields', function() {
       });
     });
   });
+
+  suite('Serialization', function () {
+    setup(function () {
+      this.workspace = new Blockly.Workspace();
+      defineRowBlock();
+
+      this.assertValue = (value) => {
+        const block = this.workspace.newBlock('row_block');
+        const field = new Blockly.FieldTextInput(value);
+        block.getInput('INPUT').appendField(field, 'TEXT');
+        const jso = Blockly.serialization.blocks.save(block);
+        chai.assert.deepEqual(jso['fields'], {'TEXT': value});
+      };
+    });
+
+    teardown(function () {
+      workspaceTeardown.call(this, this.workspace);
+    });
+
+    test('Simple', function () {
+      this.assertValue('test text');
+    });
+  });
 });
diff --git a/tests/mocha/field_variable_test.js b/tests/mocha/field_variable_test.js
index f34488d8fab..0815303c655 100644
--- a/tests/mocha/field_variable_test.js
+++ b/tests/mocha/field_variable_test.js
@@ -4,333 +4,614 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Variable Fields', function() {
-  var FAKE_VARIABLE_NAME = 'yertle';
-  var FAKE_ID = 'turtle';
+import * as Blockly from '../../build/src/core/blockly.js';
+import {
+  assertFieldValue,
+  runConstructorSuiteTests,
+  runFromJsonSuiteTests,
+  runSetValueTests,
+} from './test_helpers/fields.js';
+import {
+  createGenUidStubWithReturns,
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+import {
+  createTestBlock,
+  defineRowBlock,
+} from './test_helpers/block_definitions.js';
 
-  function getMockBlock(workspace) {
-    return {
-      'workspace': workspace,
-      'isShadow': function() {
-        return false;
-      },
-      'renameVarById': Blockly.Block.prototype.renameVarById,
-      'updateVarName': Blockly.Block.prototype.updateVarName,
-    };
-  }
-  function initField(fieldVariable, workspace) {
-    var mockBlock = getMockBlock(workspace);
-    fieldVariable.setSourceBlock(mockBlock);
-    // No view to initialize, but still need to init the model.
-    fieldVariable.initModel();
-    return fieldVariable;
-  }
-  function createAndInitFieldConstructor(workspace, variableName) {
-    return initField(new Blockly.FieldVariable(variableName), workspace);
-  }
-  function createAndInitFieldJson(workspace, variableName) {
-    return initField(Blockly.FieldVariable.fromJson(
-        { variable:variableName }), workspace);
-  }
-  function assertValue(variableField, expectedName, opt_expectedId) {
-    var actualName = variableField.getText();
-    var actualId = variableField.getValue();
-    opt_expectedId = opt_expectedId || FAKE_ID;
-    chai.assert.equal(actualName, expectedName);
-    chai.assert.equal(actualId, opt_expectedId);
-  }
-  function assertValueDefault(variableField) {
-    assertValue(variableField, FAKE_VARIABLE_NAME, FAKE_ID);
-  }
-
-  setup(function() {
+suite('Variable Fields', function () {
+  const FAKE_VARIABLE_NAME = 'default_name';
+  const FAKE_ID = 'id1';
+  setup(function () {
     sharedTestSetup.call(this);
     this.workspace = new Blockly.Workspace();
-    createGenUidStubWithReturns(FAKE_ID);
-    sinon.stub(Blockly.Variables, 'generateUniqueName')
-        .returns(FAKE_VARIABLE_NAME);
+    // Stub for default variable name.
+    sinon
+      .stub(Blockly.Variables.TEST_ONLY, 'generateUniqueNameInternal')
+      .returns(FAKE_VARIABLE_NAME);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
+  /**
+   * Configuration for field creation tests with invalid values.
+   * @type {!Array<!FieldCreationTestCase>}
+   */
+  const invalidValueCreationTestCases = [
+    {title: 'Undefined', value: undefined, args: [undefined]},
+    {title: 'Null', value: null, args: [null]},
+    {title: 'Boolean true', value: true, args: [true]},
+    {title: 'Boolean false', value: false, args: [false]},
+    {title: 'Number (Truthy)', value: 1, args: [1]},
+    {title: 'Number (Falsy)', value: 0, args: [0]},
+    {title: 'NaN', value: NaN, args: [NaN]},
+  ];
+  /**
+   * Configuration for field creation tests with valid values.
+   * @type {!Array<!FieldCreationTestCase>}
+   */
+  const validValueCreationTestCases = [
+    {
+      title: 'String',
+      value: 'id2',
+      args: ['name2'],
+      expectedValue: 'id2',
+      expectedText: 'name2',
+    },
+  ];
+  const addJson = function (testCase) {
+    testCase.json = {'variable': testCase.args[0]};
+  };
+  invalidValueCreationTestCases.forEach(addJson);
+  validValueCreationTestCases.forEach(addJson);
+
+  const initVariableField = (workspace, fieldVariable) => {
+    const mockBlock = createTestBlock();
+    mockBlock.workspace = workspace;
+    fieldVariable.setSourceBlock(mockBlock);
 
-  test('Dropdown contains variables', function() {
-    // Expect that the dropdown options will contain the variables that exist
-    this.workspace.createVariable('name1', '', 'id1');
-    this.workspace.createVariable('name2', '', 'id2');
-    var fieldVariable = createAndInitFieldConstructor(this.workspace, 'name1');
+    // No view to initialize, but still need to init the model.
+    const genUidStub = createGenUidStubWithReturns(FAKE_ID);
+    fieldVariable.initModel();
+    genUidStub.restore();
 
-    // Expect that variables created after field creation will show up too.
-    this.workspace.createVariable('name3', '', 'id3');
+    return fieldVariable;
+  };
+  const customCreateWithJs = function (testCase) {
+    const fieldVariable = testCase
+      ? new Blockly.FieldVariable(...testCase.args)
+      : new Blockly.FieldVariable();
+    return initVariableField(this.workspace, fieldVariable);
+  };
+  const customCreateWithJson = function (testCase) {
+    const fieldVariable = testCase
+      ? Blockly.FieldVariable.fromJson(testCase.json)
+      : Blockly.FieldVariable.fromJson({});
+    return initVariableField(this.workspace, fieldVariable);
+  };
 
-    var result_options = Blockly.FieldVariable.dropdownCreate.call(
-        fieldVariable);
+  /**
+   * The expected default name for the field being tested.
+   * @type {*}
+   */
+  const defaultFieldName = FAKE_VARIABLE_NAME;
+  /**
+   * Asserts that the field property values are set to default.
+   * @param {!Blockly.FieldVariable} field The field to check.
+   */
+  const assertFieldDefault = function (field) {
+    assertFieldValue(field, FAKE_ID, defaultFieldName);
+  };
+  /**
+   * Asserts that the field properties are correct based on the test case.
+   * @param {!Blockly.FieldVariable} field The field to check.
+   * @param {!FieldValueTestCase} testCase The test case.
+   */
+  const validTestCaseAssertField = function (field, testCase) {
+    assertFieldValue(field, FAKE_ID, testCase.expectedText);
+  };
 
-    // Expect three variable options, a rename option, and a delete option.
-    chai.assert.equal(result_options.length, 5);
-    chai.assert.deepEqual(result_options[0], ['name1', 'id1']);
-    chai.assert.deepEqual(result_options[1], ['name2', 'id2']);
-    chai.assert.deepEqual(result_options[2], ['name3', 'id3']);
-  });
-  suite('Constructor', function() {
-    test('Null', function() {
-      var variableField = createAndInitFieldConstructor(this.workspace, null);
-      assertValueDefault(variableField);
-    });
-    test('Undefined', function() {
-      var variableField = createAndInitFieldConstructor(
-          this.workspace, undefined);
-      assertValueDefault(variableField);
-    });
-    test('No Value Before InitModel', function() {
-      var fieldVariable = new Blockly.FieldVariable('name1');
+  runConstructorSuiteTests(
+    Blockly.FieldVariable,
+    validValueCreationTestCases,
+    invalidValueCreationTestCases,
+    validTestCaseAssertField,
+    assertFieldDefault,
+    customCreateWithJs,
+  );
+
+  runFromJsonSuiteTests(
+    Blockly.FieldVariable,
+    validValueCreationTestCases,
+    invalidValueCreationTestCases,
+    validTestCaseAssertField,
+    assertFieldDefault,
+    customCreateWithJson,
+  );
+
+  suite('initModel', function () {
+    test('No Value Before InitModel', function () {
+      const fieldVariable = new Blockly.FieldVariable('name1');
       chai.assert.equal(fieldVariable.getText(), '');
       chai.assert.isNull(fieldVariable.getValue());
     });
-    test('Given Variable Name', function() {
-      var fieldVariable = createAndInitFieldConstructor(
-          this.workspace, 'name1');
-      assertValue(fieldVariable, 'name1');
-    });
   });
-  suite('fromJson', function() {
-    test('Null', function() {
-      var variableField = createAndInitFieldJson(this.workspace, null);
-      assertValueDefault(variableField);
-    });
-    test('Undefined', function() {
-      var variableField = createAndInitFieldJson(this.workspace, undefined);
-      assertValueDefault(variableField);
-    });
-    test('No Value Before InitModel', function() {
-      var variableField = new Blockly.FieldVariable('name1');
-      chai.assert.equal(variableField.getText(), '');
-      chai.assert.isNull(variableField.getValue());
+
+  /**
+   * Configuration for field tests with invalid values.
+   * @type {!Array<!FieldCreationTestCase>}
+   */
+  const invalidValueTestCases = [
+    ...invalidValueCreationTestCases,
+    {
+      title: 'Variable does not exist',
+      value: 'id3',
+      args: ['name2'],
+      expectedValue: 'id2',
+      expectedText: 'name2',
+    },
+  ];
+  /**
+   * Configuration for field tests with valid values.
+   * @type {!Array<!FieldCreationTestCase>}
+   */
+  const validValueTestCases = [
+    {
+      title: 'New variable ID',
+      value: 'id2',
+      args: ['name2'],
+      expectedValue: 'id2',
+      expectedText: 'name2',
+    },
+  ];
+
+  suite('setValue', function () {
+    setup(function () {
+      this.workspace.createVariable('name2', null, 'id2');
+      this.field = new Blockly.FieldVariable(null);
+      initVariableField(this.workspace, this.field);
+
+      // Invalid value test are expected to log errors.
+      const nativeConsoleWarn = console.warn;
+      this.nativeConsoleWarn = nativeConsoleWarn;
+      console.warn = function (msg) {
+        if (!msg.includes("Variable id doesn't point to a real variable")) {
+          nativeConsoleWarn.call(this, ...arguments);
+        }
+      };
     });
-    test('Given Variable Name', function() {
-      var variableField = createAndInitFieldJson(this.workspace, 'name1');
-      assertValue(variableField, 'name1');
+    teardown(function () {
+      console.warn = this.nativeConsoleWarn;
     });
+    runSetValueTests(
+      validValueTestCases,
+      invalidValueTestCases,
+      FAKE_ID,
+      defaultFieldName,
+    );
   });
-  suite('setValue', function() {
-    test('Null', function() {
-      var variableField = createAndInitFieldConstructor(
-          this.workspace, 'name1');
-      variableField.setValue(null);
-      assertValue(variableField, 'name1');
-    });
-    test('Undefined', function() {
-      var variableField = createAndInitFieldConstructor(
-          this.workspace, 'name1');
-      var stub = sinon.stub(console, 'warn');
-      variableField.setValue(undefined);
-      assertValue(variableField, 'name1');
-      sinon.assert.calledOnce(stub);
-      stub.restore();
-    });
-    test('New Variable ID', function() {
-      this.workspace.createVariable('name2', null, 'id2');
 
-      var variableField = createAndInitFieldConstructor(
-          this.workspace, 'name1');
-      var oldId = variableField.getValue();
+  suite('Dropdown options', function () {
+    const assertDropdownContents = (fieldVariable, expectedVarOptions) => {
+      const dropdownOptions =
+        Blockly.FieldVariable.dropdownCreate.call(fieldVariable);
+      // Expect variable options, a rename option, and a delete option.
+      chai.assert.lengthOf(dropdownOptions, expectedVarOptions.length + 2);
+      for (let i = 0, option; (option = expectedVarOptions[i]); i++) {
+        chai.assert.deepEqual(dropdownOptions[i], option);
+      }
+      chai.assert.include(
+        dropdownOptions[dropdownOptions.length - 2][0],
+        'Rename',
+      );
 
-      variableField.setValue('id2');
-      // Setting value by ID gives us the right text as well.
-      chai.assert.equal(variableField.getText(), 'name2');
-      chai.assert.equal(variableField.getValue(), 'id2');
-      chai.assert.notEqual(oldId, variableField.getValue());
-    });
-    test('Variable Does not Exist', function() {
-      var variableField = createAndInitFieldConstructor(
-          this.workspace, 'name1');
-      var stub = sinon.stub(console, 'warn');
-      variableField.setValue('id1');
-      assertValue(variableField, 'name1');
-      sinon.assert.calledOnce(stub);
-      stub.restore();
+      chai.assert.include(
+        dropdownOptions[dropdownOptions.length - 1][0],
+        'Delete',
+      );
+    };
+    test('Contains variables created before field', function () {
+      this.workspace.createVariable('name1', '', 'id1');
+      this.workspace.createVariable('name2', '', 'id2');
+      // Expect that the dropdown options will contain the variables that exist
+      const fieldVariable = initVariableField(
+        this.workspace,
+        new Blockly.FieldVariable('name2'),
+      );
+      assertDropdownContents(fieldVariable, [
+        ['name1', 'id1'],
+        ['name2', 'id2'],
+      ]);
+    });
+    test('Contains variables created after field', function () {
+      // Expect that the dropdown options will contain the variables that exist
+      const fieldVariable = initVariableField(
+        this.workspace,
+        new Blockly.FieldVariable('name1'),
+      );
+      // Expect that variables created after field creation will show up too.
+      this.workspace.createVariable('name2', '', 'id2');
+      assertDropdownContents(fieldVariable, [
+        ['name1', 'id1'],
+        ['name2', 'id2'],
+      ]);
+    });
+    test('Contains variables created before and after field', function () {
+      this.workspace.createVariable('name1', '', 'id1');
+      this.workspace.createVariable('name2', '', 'id2');
+      // Expect that the dropdown options will contain the variables that exist
+      const fieldVariable = initVariableField(
+        this.workspace,
+        new Blockly.FieldVariable('name1'),
+      );
+      // Expect that variables created after field creation will show up too.
+      this.workspace.createVariable('name3', '', 'id3');
+      assertDropdownContents(fieldVariable, [
+        ['name1', 'id1'],
+        ['name2', 'id2'],
+        ['name3', 'id3'],
+      ]);
     });
   });
-  suite('Validators', function() {
-    setup(function() {
+
+  suite('Validators', function () {
+    setup(function () {
       this.workspace.createVariable('name1', null, 'id1');
       this.workspace.createVariable('name2', null, 'id2');
       this.workspace.createVariable('name3', null, 'id3');
-      this.variableField = createAndInitFieldConstructor(this.workspace, 'name1');
+      this.variableField = initVariableField(
+        this.workspace,
+        new Blockly.FieldVariable('name1'),
+      );
     });
-    teardown(function() {
-      this.variableField.setValidator(null);
-    });
-    suite('Null Validator', function() {
-      setup(function() {
-        this.variableField.setValidator(function() {
+    suite('Null Validator', function () {
+      setup(function () {
+        this.variableField.setValidator(function () {
           return null;
         });
       });
-      test('New Value', function() {
+      test('New Value', function () {
         this.variableField.setValue('id2');
-        assertValue(this.variableField, 'name1', 'id1');
+        assertFieldValue(this.variableField, 'id1', 'name1');
       });
     });
-    suite('Force \'id\' ID Validator', function() {
-      setup(function() {
-        this.variableField.setValidator(function(newValue) {
+    suite("Force 'id' ID Validator", function () {
+      setup(function () {
+        this.variableField.setValidator(function (newValue) {
           return 'id' + newValue.charAt(newValue.length - 1);
         });
       });
-      test('New Value', function() {
+      test('New Value', function () {
         // Must create the var so that the field doesn't throw an error.
         this.workspace.createVariable('thing2', null, 'other2');
         this.variableField.setValue('other2');
-        assertValue(this.variableField, 'name2', 'id2');
+        assertFieldValue(this.variableField, 'id2', 'name2');
       });
     });
-    suite('Returns Undefined Validator', function() {
-      setup(function() {
-        this.variableField.setValidator(function() {});
+    suite('Returns Undefined Validator', function () {
+      setup(function () {
+        this.variableField.setValidator(function () {});
       });
-      test('New Value', function() {
+      test('New Value', function () {
         this.variableField.setValue('id2');
-        assertValue(this.variableField, 'name2', 'id2');
+        assertFieldValue(this.variableField, 'id2', 'name2');
       });
     });
   });
-  suite('Customizations', function() {
-    suite('Types and Default Types', function() {
-      test('JS Constructor', function() {
-        var field = new Blockly.FieldVariable(
-            'test', undefined, ['Type1'], 'Type1');
+
+  suite('Customizations', function () {
+    suite('Types and Default Types', function () {
+      test('JS Constructor', function () {
+        const field = new Blockly.FieldVariable(
+          'test',
+          undefined,
+          ['Type1'],
+          'Type1',
+        );
         chai.assert.deepEqual(field.variableTypes, ['Type1']);
-        chai.assert.equal(field.defaultType_, 'Type1');
+        chai.assert.equal(field.defaultType, 'Type1');
       });
-      test('JSON Definition', function() {
-        var field = Blockly.FieldVariable.fromJson({
+      test('JSON Definition', function () {
+        const field = Blockly.FieldVariable.fromJson({
           variable: 'test',
           variableTypes: ['Type1'],
-          defaultType: 'Type1'
+          defaultType: 'Type1',
         });
         chai.assert.deepEqual(field.variableTypes, ['Type1']);
-        chai.assert.equal(field.defaultType_, 'Type1');
+        chai.assert.equal(field.defaultType, 'Type1');
       });
-      test('JS Configuration - Simple', function() {
-        var field = new Blockly.FieldVariable(
-            'test', undefined, undefined, undefined, {
-              variableTypes: ['Type1'],
-              defaultType: 'Type1'
-            });
+      test('JS Configuration - Simple', function () {
+        const field = new Blockly.FieldVariable(
+          'test',
+          undefined,
+          undefined,
+          undefined,
+          {
+            variableTypes: ['Type1'],
+            defaultType: 'Type1',
+          },
+        );
         chai.assert.deepEqual(field.variableTypes, ['Type1']);
-        chai.assert.equal(field.defaultType_, 'Type1');
+        chai.assert.equal(field.defaultType, 'Type1');
       });
-      test('JS Configuration - Ignore', function() {
-        var field = new Blockly.FieldVariable(
-            'test', undefined, ['Type2'], 'Type2', {
-              variableTypes: ['Type1'],
-              defaultType: 'Type1'
-            });
+      test('JS Configuration - Ignore', function () {
+        const field = new Blockly.FieldVariable(
+          'test',
+          undefined,
+          ['Type2'],
+          'Type2',
+          {
+            variableTypes: ['Type1'],
+            defaultType: 'Type1',
+          },
+        );
         chai.assert.deepEqual(field.variableTypes, ['Type1']);
-        chai.assert.equal(field.defaultType_, 'Type1');
+        chai.assert.equal(field.defaultType, 'Type1');
       });
     });
   });
-  suite('Get variable types', function() {
-    setup(function() {
+  suite('Get variable types', function () {
+    setup(function () {
       this.workspace.createVariable('name1', 'type1');
       this.workspace.createVariable('name2', 'type2');
     });
-    test('variableTypes is undefined', function() {
+    test('variableTypes is undefined', function () {
       // Expect that since variableTypes is undefined, only type empty string
       // will be returned (regardless of what types are available on the workspace).
-      var fieldVariable = new Blockly.FieldVariable('name1');
-      var resultTypes = fieldVariable.getVariableTypes_();
+      const fieldVariable = new Blockly.FieldVariable('name1');
+      const resultTypes = fieldVariable.getVariableTypes();
       chai.assert.deepEqual(resultTypes, ['']);
     });
-    test('variableTypes is explicit', function() {
+    test('variableTypes is explicit', function () {
       // Expect that since variableTypes is defined, it will be the return
       // value, regardless of what types are available on the workspace.
-      var fieldVariable = new Blockly.FieldVariable(
-          'name1', null, ['type1', 'type2'], 'type1');
-      var resultTypes = fieldVariable.getVariableTypes_();
+      const fieldVariable = new Blockly.FieldVariable(
+        'name1',
+        null,
+        ['type1', 'type2'],
+        'type1',
+      );
+      const resultTypes = fieldVariable.getVariableTypes();
       chai.assert.deepEqual(resultTypes, ['type1', 'type2']);
-      chai.assert.equal(fieldVariable.defaultType_, 'type1',
-          'Default type was wrong');
+      chai.assert.equal(
+        fieldVariable.defaultType,
+        'type1',
+        'Default type was wrong',
+      );
     });
-    test('variableTypes is null', function() {
+    test('variableTypes is null', function () {
       // Expect all variable types to be returned.
       // The field does not need to be initialized to do this--it just needs
       // a pointer to the workspace.
-      var fieldVariable = new Blockly.FieldVariable('name1');
-      var mockBlock = getMockBlock(this.workspace);
+      const fieldVariable = new Blockly.FieldVariable('name1');
+      const mockBlock = createTestBlock();
+      mockBlock.workspace = this.workspace;
       fieldVariable.setSourceBlock(mockBlock);
       fieldVariable.variableTypes = null;
 
-      var resultTypes = fieldVariable.getVariableTypes_();
+      const resultTypes = fieldVariable.getVariableTypes();
       // The empty string is always one of the options.
       chai.assert.deepEqual(resultTypes, ['type1', 'type2', '']);
     });
-    test('variableTypes is the empty list', function() {
-      var fieldVariable = new Blockly.FieldVariable('name1');
-      var mockBlock = getMockBlock(this.workspace);
+    test('variableTypes is the empty list', function () {
+      const fieldVariable = new Blockly.FieldVariable('name1');
+      const mockBlock = createTestBlock();
+      mockBlock.workspace = this.workspace;
       fieldVariable.setSourceBlock(mockBlock);
       fieldVariable.variableTypes = [];
 
-      chai.assert.throws(function() {
-        fieldVariable.getVariableTypes_();
+      chai.assert.throws(function () {
+        fieldVariable.getVariableTypes();
       });
     });
   });
-  suite('Default types', function() {
-    test('Default type exists', function() {
-      var fieldVariable = new Blockly.FieldVariable(null, null, ['b'], 'b');
-      chai.assert.equal(fieldVariable.defaultType_, 'b',
-          'The variable field\'s default type should be "b"');
-    });
-    test('No default type', function() {
-      var fieldVariable = new Blockly.FieldVariable(null);
-      chai.assert.equal(fieldVariable.defaultType_, '', 'The variable field\'s default type should be the empty string');
-      chai.assert.isNull(fieldVariable.variableTypes,
-          'The variable field\'s allowed types should be null');
-    });
-    test('Default type mismatch', function() {
+  suite('Default types', function () {
+    test('Default type exists', function () {
+      const fieldVariable = new Blockly.FieldVariable(null, null, ['b'], 'b');
+      chai.assert.equal(
+        fieldVariable.defaultType,
+        'b',
+        'The variable field\'s default type should be "b"',
+      );
+    });
+    test('No default type', function () {
+      const fieldVariable = new Blockly.FieldVariable(null);
+      chai.assert.equal(
+        fieldVariable.defaultType,
+        '',
+        "The variable field's default type should be the empty string",
+      );
+      chai.assert.isNull(
+        fieldVariable.variableTypes,
+        "The variable field's allowed types should be null",
+      );
+    });
+    test('Default type mismatch', function () {
       // Invalid default type when creating a variable field.
-      chai.assert.throws(function() {
-        var _fieldVariable = new Blockly.FieldVariable(null, null, ['a'], 'b');
+      chai.assert.throws(function () {
+        new Blockly.FieldVariable(null, null, ['a'], 'b');
       });
     });
-    test('Default type mismatch with empty array', function() {
+    test('Default type mismatch with empty array', function () {
       // Invalid default type when creating a variable field.
-      chai.assert.throws(function() {
-        var _fieldVariable = new Blockly.FieldVariable(null, null, ['a']);
+      chai.assert.throws(function () {
+        new Blockly.FieldVariable(null, null, ['a']);
       });
     });
   });
-  suite('Renaming Variables', function() {
-    setup(function() {
+  suite('Renaming Variables', function () {
+    setup(function () {
       this.workspace.createVariable('name1', null, 'id1');
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "field_variable_test_block",
-        "message0": "%1",
-        "args0": [
-          {
-            "type": "field_variable",
-            "name": "VAR",
-            "variable": "name1"
-          }
-        ],
-      }]);
-      this.variableBlock = new Blockly.Block(this.workspace,
-          'field_variable_test_block');
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': 'field_variable_test_block',
+          'message0': '%1',
+          'args0': [
+            {
+              'type': 'field_variable',
+              'name': 'VAR',
+              'variable': 'name1',
+            },
+          ],
+        },
+      ]);
+      this.variableBlock = new Blockly.Block(
+        this.workspace,
+        'field_variable_test_block',
+      );
       this.variableField = this.variableBlock.getField('VAR');
     });
-    test('Rename & Keep Old ID', function() {
+    test('Rename & Keep Old ID', function () {
       this.workspace.renameVariableById('id1', 'name2');
       chai.assert.equal(this.variableField.getText(), 'name2');
       chai.assert.equal(this.variableField.getValue(), 'id1');
     });
-    test('Rename & Get New ID', function() {
+    test('Rename & Get New ID', function () {
       this.workspace.createVariable('name2', null, 'id2');
       this.workspace.renameVariableById('id1', 'name2');
       chai.assert.equal(this.variableField.getText(), 'name2');
       chai.assert.equal(this.variableField.getValue(), 'id2');
     });
   });
+
+  suite('Serialization', function () {
+    setup(function () {
+      this.workspace = new Blockly.Workspace();
+      defineRowBlock();
+      createGenUidStubWithReturns(new Array(10).fill().map((_, i) => 'id' + i));
+    });
+
+    teardown(function () {
+      workspaceTeardown.call(this, this.workspace);
+    });
+
+    suite('Full', function () {
+      test('Untyped', function () {
+        const block = this.workspace.newBlock('row_block');
+        const field = new Blockly.FieldVariable('x');
+        block.getInput('INPUT').appendField(field, 'VAR');
+        const jso = Blockly.serialization.blocks.save(block);
+        chai.assert.deepEqual(jso['fields'], {
+          'VAR': {'id': 'id2', 'name': 'x', 'type': ''},
+        });
+      });
+
+      test('Typed', function () {
+        const block = this.workspace.newBlock('row_block');
+        const field = new Blockly.FieldVariable(
+          'x',
+          undefined,
+          undefined,
+          'String',
+        );
+        block.getInput('INPUT').appendField(field, 'VAR');
+        const jso = Blockly.serialization.blocks.save(block);
+        chai.assert.deepEqual(jso['fields'], {
+          'VAR': {'id': 'id2', 'name': 'x', 'type': 'String'},
+        });
+      });
+    });
+
+    suite('Not full', function () {
+      test('Untyped', function () {
+        const block = this.workspace.newBlock('row_block');
+        const field = new Blockly.FieldVariable('x');
+        block.getInput('INPUT').appendField(field, 'VAR');
+        const jso = Blockly.serialization.blocks.save(block, {
+          doFullSerialization: false,
+        });
+        chai.assert.deepEqual(jso['fields'], {'VAR': {'id': 'id2'}});
+        chai.assert.isUndefined(jso['fields']['VAR']['name']);
+        chai.assert.isUndefined(jso['fields']['VAR']['type']);
+      });
+
+      test('Typed', function () {
+        const block = this.workspace.newBlock('row_block');
+        const field = new Blockly.FieldVariable(
+          'x',
+          undefined,
+          undefined,
+          'String',
+        );
+        block.getInput('INPUT').appendField(field, 'VAR');
+        const jso = Blockly.serialization.blocks.save(block, {
+          doFullSerialization: false,
+        });
+        chai.assert.deepEqual(jso['fields'], {'VAR': {'id': 'id2'}});
+        chai.assert.isUndefined(jso['fields']['VAR']['name']);
+        chai.assert.isUndefined(jso['fields']['VAR']['type']);
+      });
+    });
+  });
+
+  suite('Deserialization', function () {
+    setup(function () {
+      this.workspace = new Blockly.Workspace();
+      defineRowBlock();
+      createGenUidStubWithReturns(new Array(10).fill().map((_, i) => 'id' + i));
+    });
+
+    teardown(function () {
+      workspaceTeardown.call(this, this.workspace);
+    });
+
+    test('ID', function () {
+      this.workspace.createVariable('test', '', 'id1');
+      const block = Blockly.serialization.blocks.append(
+        {
+          'type': 'variables_get',
+          'fields': {
+            'VAR': {
+              'id': 'id1',
+            },
+          },
+        },
+        this.workspace,
+      );
+      const variable = block.getField('VAR').getVariable();
+      chai.assert.equal(variable.name, 'test');
+      chai.assert.equal(variable.type, '');
+      chai.assert.equal(variable.getId(), 'id1');
+    });
+
+    test('Name, untyped', function () {
+      const block = Blockly.serialization.blocks.append(
+        {
+          'type': 'variables_get',
+          'fields': {
+            'VAR': {
+              'name': 'test',
+            },
+          },
+        },
+        this.workspace,
+      );
+      const variable = block.getField('VAR').getVariable();
+      chai.assert.equal(variable.name, 'test');
+      chai.assert.equal(variable.type, '');
+      chai.assert.equal(variable.getId(), 'id2');
+    });
+
+    test('Name, typed', function () {
+      const block = Blockly.serialization.blocks.append(
+        {
+          'type': 'variables_get',
+          'fields': {
+            'VAR': {
+              'name': 'test',
+              'type': 'string',
+            },
+          },
+        },
+        this.workspace,
+      );
+      const variable = block.getField('VAR').getVariable();
+      chai.assert.equal(variable.name, 'test');
+      chai.assert.equal(variable.type, 'string');
+      chai.assert.equal(variable.getId(), 'id2');
+    });
+  });
 });
diff --git a/tests/mocha/flyout_test.js b/tests/mocha/flyout_test.js
index 840e48379c3..f2fe79e3851 100644
--- a/tests/mocha/flyout_test.js
+++ b/tests/mocha/flyout_test.js
@@ -4,101 +4,663 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Flyout', function() {
-  setup(function() {
-    sharedTestSetup.call(this);
-    Blockly.defineBlocksWithJsonArray([{
-      "type": "basic_block",
-      "message0": "%1",
-      "args0": [
-        {
-          "type": "field_input",
-          "name": "TEXT",
-          "text": "default"
-        }
-      ]
-    }]);
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+import {defineStackBlock} from './test_helpers/block_definitions.js';
+import {
+  getBasicToolbox,
+  getChildItem,
+  getCollapsibleItem,
+  getDeeplyNestedJSON,
+  getInjectedToolbox,
+  getNonCollapsibleItem,
+  getProperSimpleJson,
+  getSeparator,
+  getSimpleJson,
+  getXmlArray,
+} from './test_helpers/toolbox_definitions.js';
+
+suite('Flyout', function () {
+  setup(function () {
+    this.clock = sharedTestSetup.call(this, {fireEventsNow: false}).clock;
+    Blockly.defineBlocksWithJsonArray([
+      {
+        'type': 'basic_block',
+        'message0': '%1',
+        'args0': [
+          {
+            'type': 'field_input',
+            'name': 'TEXT',
+            'text': 'default',
+          },
+        ],
+      },
+    ]);
     this.toolboxXml = document.getElementById('toolbox-simple');
-    this.workspace = Blockly.inject('blocklyDiv',
-        {
-          toolbox: this.toolboxXml
-        });
+    this.workspace = Blockly.inject('blocklyDiv', {
+      toolbox: this.toolboxXml,
+    });
   });
 
-  teardown(function() {
+  teardown(function () {
+    this.clock.runAll();
     sharedTestTeardown.call(this);
   });
 
-  suite('createFlyoutInfo_', function() {
-    setup(function() {
-      this.simpleToolboxJSON = getSimpleJSON();
-      this.flyout = this.workspace.getFlyout();
-      this.createFlyoutSpy = sinon.spy(this.flyout, 'createFlyoutInfo_');
+  suite('position', function () {
+    suite('vertical flyout', function () {
+      suite('simple flyout', function () {
+        setup(function () {
+          this.flyout = this.workspace.getFlyout();
+          this.targetMetricsManager =
+            this.flyout.targetWorkspace.getMetricsManager();
+        });
+        test('y is always 0', function () {
+          chai.assert.equal(
+            this.flyout.getY(),
+            0,
+            'y coordinate in vertical flyout should be 0',
+          );
+        });
+        test('x is right of workspace if flyout at right', function () {
+          sinon.stub(this.targetMetricsManager, 'getViewMetrics').returns({
+            width: 100,
+          });
+          this.flyout.targetWorkspace.toolboxPosition =
+            Blockly.utils.toolbox.Position.RIGHT;
+          this.flyout.toolboxPosition_ = Blockly.utils.toolbox.Position.RIGHT;
+          chai.assert.equal(
+            this.flyout.getX(),
+            100,
+            'x should be right of workspace',
+          );
+        });
+        test('x is 0 if flyout at left', function () {
+          this.flyout.targetWorkspace.toolboxPosition =
+            Blockly.utils.toolbox.Position.LEFT;
+          this.flyout.toolboxPosition_ = Blockly.utils.toolbox.Position.LEFT;
+          chai.assert.equal(
+            this.flyout.getX(),
+            0,
+            'x should be 0 if the flyout is on the left',
+          );
+        });
+      });
+      suite('toolbox flyout', function () {
+        setup(function () {
+          const toolbox = document.getElementById('toolbox-categories');
+          this.workspace = Blockly.inject('blocklyDiv', {
+            toolbox: toolbox,
+          });
+          this.flyout = this.workspace.getToolbox().getFlyout();
+          this.targetMetricsManager =
+            this.flyout.targetWorkspace.getMetricsManager();
+        });
+        teardown(function () {
+          workspaceTeardown.call(this, this.workspace);
+        });
+        test('x is aligned with toolbox at left', function () {
+          sinon.stub(this.targetMetricsManager, 'getToolboxMetrics').returns({
+            width: 20,
+          });
+          this.flyout.setVisible(true);
+          this.flyout.targetWorkspace.toolboxPosition =
+            Blockly.utils.toolbox.Position.LEFT;
+          this.flyout.toolboxPosition_ = Blockly.utils.toolbox.Position.LEFT;
+          chai.assert.equal(
+            this.flyout.getX(),
+            20,
+            'x should be aligned with toolbox',
+          );
+        });
+        test('x is aligned with toolbox at right', function () {
+          sinon.stub(this.targetMetricsManager, 'getToolboxMetrics').returns({
+            width: 20,
+          });
+          sinon.stub(this.targetMetricsManager, 'getViewMetrics').returns({
+            width: 100,
+          });
+          this.flyout.width_ = 10;
+          this.flyout.setVisible(true);
+          this.flyout.targetWorkspace.toolboxPosition =
+            Blockly.utils.toolbox.Position.RIGHT;
+          this.flyout.toolboxPosition_ = Blockly.utils.toolbox.Position.RIGHT;
+          chai.assert.equal(
+            this.flyout.getX(),
+            90,
+            'x + width should be aligned with toolbox',
+          );
+        });
+      });
+      // These tests simulate a trashcan flyout, i.e. the flyout under test is on the
+      // opposite side of the workspace toolbox setting.
+      suite('trashcan flyout', function () {
+        setup(function () {
+          this.flyout = this.workspace.getFlyout();
+          this.targetMetricsManager =
+            this.flyout.targetWorkspace.getMetricsManager();
+        });
+        test('x is 0 if trashcan on left', function () {
+          sinon.stub(this.flyout.targetWorkspace, 'getMetrics').returns({
+            viewWidth: 100,
+          });
+          this.flyout.targetWorkspace.toolboxPosition =
+            Blockly.utils.toolbox.Position.RIGHT;
+          this.flyout.toolboxPosition_ = Blockly.utils.toolbox.Position.LEFT;
+          chai.assert.equal(
+            this.flyout.getX(),
+            0,
+            'x should be aligned with left edge',
+          );
+        });
+        test('trashcan on right covers right edge of workspace', function () {
+          this.flyout.width_ = 20;
+          sinon.stub(this.targetMetricsManager, 'getAbsoluteMetrics').returns({
+            left: 10,
+          });
+          sinon.stub(this.targetMetricsManager, 'getViewMetrics').returns({
+            width: 100,
+          });
 
+          this.flyout.setVisible(true);
+          this.flyout.targetWorkspace.toolboxPosition =
+            Blockly.utils.toolbox.Position.LEFT;
+          this.flyout.toolboxPosition_ = Blockly.utils.toolbox.Position.RIGHT;
+          chai.assert.equal(
+            this.flyout.getX(),
+            90,
+            'x + width should be aligned with right edge',
+          );
+        });
+      });
     });
 
-    function checkLayoutContents(actual, expected, opt_message) {
-      chai.assert.equal(actual.length, expected.length, opt_message);
-      for (var i = 0; i < actual.length; i++) {
-        chai.assert.equal(actual[i].type, expected[i].type, opt_message);
-        if (actual[i].type == 'BLOCK') {
-          chai.assert.typeOf(actual[i]['block'], 'Blockly.Block');
-        } else if (actual[i].type == 'BUTTON' || actual[i].type == 'LABEL') {
-          chai.assert.typeOf(actual[i]['block'], 'Blockly.FlyoutButton');
-        }
-      }
-    }
+    suite('horizontal flyout', function () {
+      setup(function () {
+        this.workspace = Blockly.inject('blocklyDiv', {
+          toolbox: this.toolboxXml,
+          horizontalLayout: true,
+        });
+      });
+      teardown(function () {
+        workspaceTeardown.call(this, this.workspace);
+      });
+      suite('simple flyout', function () {
+        setup(function () {
+          this.flyout = this.workspace.getFlyout();
+          this.targetMetricsManager =
+            this.flyout.targetWorkspace.getMetricsManager();
+        });
+        test('x is always 0', function () {
+          chai.assert.equal(
+            this.flyout.getX(),
+            0,
+            'x coordinate in horizontal flyout should be 0',
+          );
+        });
+        test('y is 0 if flyout at top', function () {
+          this.flyout.targetWorkspace.toolboxPosition =
+            Blockly.utils.toolbox.Position.TOP;
+          this.flyout.toolboxPosition_ = Blockly.utils.toolbox.Position.TOP;
+          chai.assert.equal(
+            this.flyout.getY(),
+            0,
+            'y should be 0 if flyout is at the top',
+          );
+        });
+        test('y is below workspace if flyout at bottom', function () {
+          this.flyout.targetWorkspace.toolboxPosition =
+            Blockly.utils.toolbox.Position.BOTTOM;
+          this.flyout.toolboxPosition_ = Blockly.utils.toolbox.Position.BOTTOM;
+          sinon.stub(this.targetMetricsManager, 'getViewMetrics').returns({
+            height: 50,
+          });
+          chai.assert.equal(
+            this.flyout.getY(),
+            50,
+            'y should be below the workspace',
+          );
+        });
+      });
+      suite('toolbox flyout', function () {
+        setup(function () {
+          const toolbox = document.getElementById('toolbox-categories');
+          this.workspace = Blockly.inject('blocklyDiv', {
+            toolbox: toolbox,
+            horizontalLayout: true,
+          });
+          this.flyout = this.workspace.getToolbox().getFlyout();
+          this.targetMetricsManager =
+            this.flyout.targetWorkspace.getMetricsManager();
+        });
+        teardown(function () {
+          workspaceTeardown.call(this, this.workspace);
+        });
+        test('y is aligned with toolbox at top', function () {
+          sinon.stub(this.targetMetricsManager, 'getToolboxMetrics').returns({
+            height: 20,
+          });
+          this.flyout.setVisible(true);
+          this.flyout.targetWorkspace.toolboxPosition =
+            Blockly.utils.toolbox.Position.TOP;
+          this.flyout.toolboxPosition_ = Blockly.utils.toolbox.Position.TOP;
+          chai.assert.equal(
+            this.flyout.getY(),
+            20,
+            'y should be aligned with toolbox',
+          );
+        });
+        test('y is aligned with toolbox at bottom', function () {
+          sinon.stub(this.targetMetricsManager, 'getToolboxMetrics').returns({
+            height: 20,
+          });
+          sinon.stub(this.targetMetricsManager, 'getViewMetrics').returns({
+            height: 100,
+          });
+          this.flyout.height_ = 30;
+          this.flyout.setVisible(true);
+          this.flyout.targetWorkspace.toolboxPosition =
+            Blockly.utils.toolbox.Position.BOTTOM;
+          this.flyout.toolboxPosition_ = Blockly.utils.toolbox.Position.BOTTOM;
+          chai.assert.equal(
+            this.flyout.getY(),
+            70,
+            'y + height should be aligned with toolbox',
+          );
+        });
+      });
+      // These tests simulate a trashcan flyout, i.e. the flyout under test is on the
+      // opposite side of the workspace toolbox setting.
+      suite('trashcan flyout', function () {
+        setup(function () {
+          this.flyout = this.workspace.getFlyout();
+          this.targetMetricsManager =
+            this.flyout.targetWorkspace.getMetricsManager();
+        });
+        test('y is 0 if trashcan at top', function () {
+          this.flyout.targetWorkspace.toolboxPosition =
+            Blockly.utils.toolbox.Position.BOTTOM;
+          this.flyout.toolboxPosition_ = Blockly.utils.toolbox.Position.TOP;
+          chai.assert.equal(
+            this.flyout.getY(),
+            0,
+            'y should be aligned with top',
+          );
+        });
+        test('trashcan on bottom covers bottom of workspace', function () {
+          this.flyout.targetWorkspace.toolboxPosition =
+            Blockly.utils.toolbox.Position.TOP;
+          this.flyout.toolboxPosition_ = Blockly.utils.toolbox.Position.BOTTOM;
+          sinon.stub(this.targetMetricsManager, 'getAbsoluteMetrics').returns({
+            top: 10,
+          });
+          sinon.stub(this.targetMetricsManager, 'getViewMetrics').returns({
+            height: 50,
+          });
+          this.flyout.setVisible(true);
+          this.flyout.height_ = 20;
+          chai.assert.equal(
+            this.flyout.getY(),
+            40,
+            'y + height should be aligned with bottom',
+          );
+        });
+      });
+    });
+  });
+
+  suite('createFlyoutInfo', function () {
+    setup(function () {
+      this.flyout = this.workspace.getFlyout();
+      this.createFlyoutSpy = sinon.spy(this.flyout, 'createFlyoutInfo');
+    });
 
     function checkFlyoutInfo(flyoutSpy) {
-      var expectedContents = [
-        {type: "block"},
-        {type: "button"},
-        {type: "button"}
-      ];
-      var expectedGaps = [20,24,24];
-      var flyoutInfo = flyoutSpy.returnValues[0];
-      var contents = flyoutInfo.contents;
-      var gaps = flyoutInfo.gaps;
+      const flyoutInfo = flyoutSpy.returnValues[0];
+      const contents = flyoutInfo.contents;
+      const gaps = flyoutInfo.gaps;
+
+      const expectedGaps = [20, 24, 24];
       chai.assert.deepEqual(gaps, expectedGaps);
-      checkLayoutContents(contents, expectedContents, 'Contents');
+
+      chai.assert.equal(contents.length, 3, 'Contents');
+
+      chai.assert.equal(contents[0].type, 'block', 'Contents');
+      const block = contents[0]['block'];
+      chai.assert.instanceOf(block, Blockly.BlockSvg);
+      chai.assert.equal(block.getFieldValue('OP'), 'NEQ');
+      const childA = block.getInputTargetBlock('A');
+      const childB = block.getInputTargetBlock('B');
+      chai.assert.isTrue(childA.isShadow());
+      chai.assert.isFalse(childB.isShadow());
+      chai.assert.equal(childA.getFieldValue('NUM'), 1);
+      chai.assert.equal(childB.getFieldValue('NUM'), 2);
+
+      chai.assert.equal(contents[1].type, 'button', 'Contents');
+      chai.assert.instanceOf(contents[1]['button'], Blockly.FlyoutButton);
+
+      chai.assert.equal(contents[2].type, 'button', 'Contents');
+      chai.assert.instanceOf(contents[2]['button'], Blockly.FlyoutButton);
     }
 
-    test('Node', function() {
-      this.flyout.show(this.toolboxXml);
-      checkFlyoutInfo(this.createFlyoutSpy);
-    });
-    test('NodeList', function() {
-      var nodeList = document.getElementById('toolbox-simple').childNodes;
-      this.flyout.show(nodeList);
-      checkFlyoutInfo(this.createFlyoutSpy);
+    suite('Direct show', function () {
+      test('Node', function () {
+        this.flyout.show(this.toolboxXml);
+        checkFlyoutInfo(this.createFlyoutSpy);
+      });
+
+      test('NodeList', function () {
+        const nodeList = document.getElementById('toolbox-simple').childNodes;
+        this.flyout.show(nodeList);
+        checkFlyoutInfo(this.createFlyoutSpy);
+      });
+
+      test('Array of JSON', function () {
+        this.flyout.show(getSimpleJson());
+        checkFlyoutInfo(this.createFlyoutSpy);
+      });
+
+      test('Array of Proper JSON', function () {
+        this.flyout.show(getProperSimpleJson());
+        checkFlyoutInfo(this.createFlyoutSpy);
+      });
+
+      test('Array of XML', function () {
+        this.flyout.show(getXmlArray());
+        checkFlyoutInfo(this.createFlyoutSpy);
+      });
     });
-    test('Array of JSON', function() {
-      this.flyout.show(this.simpleToolboxJSON);
-      checkFlyoutInfo(this.createFlyoutSpy);
+
+    suite('Dynamic category', function () {
+      setup(function () {
+        this.stubAndAssert = function (val) {
+          sinon
+            .stub(
+              this.flyout.workspace_.targetWorkspace,
+              'getToolboxCategoryCallback',
+            )
+            .returns(function () {
+              return val;
+            });
+          this.flyout.show('someString');
+          checkFlyoutInfo(this.createFlyoutSpy);
+        };
+      });
+
+      test('No category available', function () {
+        chai.assert.throws(
+          function () {
+            this.flyout.show('someString');
+          }.bind(this),
+          "Couldn't find a callback function when opening " +
+            'a toolbox category.',
+        );
+      });
+
+      test('Node', function () {
+        this.stubAndAssert(this.toolboxXml);
+      });
+
+      test('NodeList', function () {
+        this.stubAndAssert(
+          document.getElementById('toolbox-simple').childNodes,
+        );
+      });
+
+      test('Array of JSON', function () {
+        this.stubAndAssert(getSimpleJson());
+      });
+
+      test('Array of Proper JSON', function () {
+        this.stubAndAssert(getProperSimpleJson());
+      });
+
+      test('Array of XML', function () {
+        this.stubAndAssert(getXmlArray());
+      });
     });
-    test('Array of xml', function() {
-      this.flyout.show(getXmlArray());
-      checkFlyoutInfo(this.createFlyoutSpy);
+  });
+
+  suite('Creating blocks', function () {
+    suite('Enabled/Disabled', function () {
+      setup(function () {
+        this.flyout = this.workspace.getFlyout();
+
+        this.assertDisabled = function (disabled) {
+          const block = this.flyout.getWorkspace().getTopBlocks(false)[0];
+          chai.assert.equal(!block.isEnabled(), disabled);
+        };
+      });
+
+      suite('XML', function () {
+        test('True string', function () {
+          const xml = Blockly.utils.xml.textToDom(
+            '<xml>' +
+              '<block type="text_print" disabled="true"></block>' +
+              '</xml>',
+          );
+          this.flyout.show(xml);
+          this.assertDisabled(true);
+        });
+
+        test('False string', function () {
+          const xml = Blockly.utils.xml.textToDom(
+            '<xml>' +
+              '<block type="text_print" disabled="false"></block>' +
+              '</xml>',
+          );
+          this.flyout.show(xml);
+          this.assertDisabled(false);
+        });
+
+        test('Disabled string', function () {
+          // The XML system supports this for some reason!?
+          const xml = Blockly.utils.xml.textToDom(
+            '<xml>' +
+              '<block type="text_print" disabled="disabled"></block>' +
+              '</xml>',
+          );
+          this.flyout.show(xml);
+          this.assertDisabled(true);
+        });
+
+        test('Different string', function () {
+          const xml = Blockly.utils.xml.textToDom(
+            '<xml>' +
+              '<block type="text_print" disabled="random"></block>' +
+              '</xml>',
+          );
+          this.flyout.show(xml);
+          this.assertDisabled(false);
+        });
+      });
+
+      suite('JSON', function () {
+        test('All undefined', function () {
+          const json = [
+            {
+              'kind': 'block',
+              'type': 'text_print',
+            },
+          ];
+          this.flyout.show(json);
+          this.assertDisabled(false);
+        });
+
+        test('Enabled true', function () {
+          const json = [
+            {
+              'kind': 'block',
+              'type': 'text_print',
+              'enabled': true,
+            },
+          ];
+          this.flyout.show(json);
+          this.assertDisabled(false);
+        });
+
+        test('Enabled false', function () {
+          const json = [
+            {
+              'kind': 'block',
+              'type': 'text_print',
+              'enabled': false,
+            },
+          ];
+          this.flyout.show(json);
+          this.assertDisabled(true);
+        });
+
+        test('Disabled true string', function () {
+          const json = [
+            {
+              'kind': 'block',
+              'type': 'text_print',
+              'disabled': 'true',
+            },
+          ];
+          this.flyout.show(json);
+          this.assertDisabled(true);
+        });
+
+        test('Disabled false string', function () {
+          const json = [
+            {
+              'kind': 'block',
+              'type': 'text_print',
+              'disabled': 'false',
+            },
+          ];
+          this.flyout.show(json);
+          this.assertDisabled(false);
+        });
+
+        test('Disabled string', function () {
+          const json = [
+            {
+              'kind': 'block',
+              'type': 'text_print',
+              'disabled': 'disabled', // This is not respected by the JSON!
+            },
+          ];
+          this.flyout.show(json);
+          this.assertDisabled(false);
+        });
+
+        test('Disabled true value', function () {
+          const json = [
+            {
+              'kind': 'block',
+              'type': 'text_print',
+              'disabled': true,
+            },
+          ];
+          this.flyout.show(json);
+          this.assertDisabled(true);
+        });
+
+        test('Disabled false value', function () {
+          const json = [
+            {
+              'kind': 'block',
+              'type': 'text_print',
+              'disabled': false,
+            },
+          ];
+          this.flyout.show(json);
+          this.assertDisabled(false);
+        });
+
+        test('Disabled different string', function () {
+          const json = [
+            {
+              'kind': 'block',
+              'type': 'text_print',
+              'disabled': 'random',
+            },
+          ];
+          this.flyout.show(json);
+          this.assertDisabled(false);
+        });
+
+        test('Disabled empty string', function () {
+          const json = [
+            {
+              'kind': 'block',
+              'type': 'text_print',
+              'disabled': '',
+            },
+          ];
+          this.flyout.show(json);
+          this.assertDisabled(false);
+        });
+      });
     });
-    test('Custom Toolbox: No Category Available', function() {
-      chai.assert.throws(function() {
-        this.flyout.show('someString');
-      }.bind(this), 'Couldn\'t find a callback function when opening' +
-          ' a toolbox category.');
+  });
+
+  suite('Recycling', function () {
+    setup(function () {
+      this.flyout = this.workspace.getFlyout();
     });
-    test('Custom Toolbox: Function does not return array', function() {
-      sinon.stub(this.flyout.workspace_.targetWorkspace,
-          'getToolboxCategoryCallback').returns(function(){return null;});
-      chai.assert.throws(function() {
-        this.flyout.show('someString');
-      }.bind(this), 'Result of toolbox category callback must be an array.');
+
+    test('Recycling disabled', function () {
+      this.flyout.show({
+        'contents': [
+          {
+            'kind': 'BLOCK',
+            'type': 'math_number',
+            'fields': {
+              'NUM': 123,
+            },
+          },
+        ],
+      });
+      this.flyout.show({
+        'contents': [
+          {
+            'kind': 'BLOCK',
+            'type': 'math_number',
+            'fields': {
+              'NUM': 321,
+            },
+          },
+        ],
+      });
+      const block = this.flyout.workspace_.getAllBlocks()[0];
+      chai.assert.equal(block.getFieldValue('NUM'), 321);
     });
-    test('Custom Toolbox: Returns Array', function() {
-      sinon.stub(this.flyout.workspace_.targetWorkspace,
-          'getToolboxCategoryCallback').returns(function(){return getXmlArray();});
-      chai.assert.doesNotThrow(function() {
-        this.flyout.show('someString');
-      }.bind(this));
+
+    test('Recycling enabled', function () {
+      this.flyout.blockIsRecyclable_ = function () {
+        return true;
+      };
+      this.flyout.show({
+        'contents': [
+          {
+            'kind': 'BLOCK',
+            'type': 'math_number',
+            'fields': {
+              'NUM': 123,
+            },
+          },
+        ],
+      });
+      this.flyout.show({
+        'contents': [
+          {
+            'kind': 'BLOCK',
+            'type': 'math_number',
+            'fields': {
+              'NUM': 321,
+            },
+          },
+        ],
+      });
+      const block = this.flyout.workspace_.getAllBlocks()[0];
+      chai.assert.equal(block.getFieldValue('NUM'), 123);
     });
   });
 });
diff --git a/tests/mocha/generator_test.js b/tests/mocha/generator_test.js
index 9250557abcb..3a2679dca81 100644
--- a/tests/mocha/generator_test.js
+++ b/tests/mocha/generator_test.js
@@ -4,147 +4,232 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-goog.require('Blockly.Dart');
-goog.require('Blockly.JavaScript');
-goog.require('Blockly.Lua');
-goog.require('Blockly.PHP');
-goog.require('Blockly.Python');
-
-suite('Generator', function() {
-  setup(function() {
+import * as Blockly from '../../build/src/core/blockly.js';
+import {DartGenerator} from '../../build/src/generators/dart/dart_generator.js';
+import {JavascriptGenerator} from '../../build/src/generators/javascript/javascript_generator.js';
+import {LuaGenerator} from '../../build/src/generators/lua/lua_generator.js';
+import {PhpGenerator} from '../../build/src/generators/php/php_generator.js';
+import {PythonGenerator} from '../../build/src/generators/python/python_generator.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Generator', function () {
+  setup(function () {
     sharedTestSetup.call(this);
     this.workspace = new Blockly.Workspace();
   });
 
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  suite('prefix', function() {
-    setup(function() {
-      this.generator = new Blockly.Generator('INTERCAL');
+  suite('prefix', function () {
+    setup(function () {
+      this.generator = new Blockly.CodeGenerator('INTERCAL');
     });
 
-    test('Nothing', function() {
+    test('Nothing', function () {
       chai.assert.equal(this.generator.prefixLines('', ''), '');
     });
 
-    test('One word', function() {
-      chai.assert.equal(this.generator.prefixLines('Hello', '@'), '@Hello') ;
+    test('One word', function () {
+      chai.assert.equal(this.generator.prefixLines('Hello', '@'), '@Hello');
     });
 
-    test('One line', function() {
-      chai.assert.equal(this.generator.prefixLines('Hello\n', '12'), '12Hello\n');
+    test('One line', function () {
+      chai.assert.equal(
+        this.generator.prefixLines('Hello\n', '12'),
+        '12Hello\n',
+      );
     });
 
-    test('Two lines', function() {
-      chai.assert.equal(this.generator.prefixLines('Hello\nWorld\n', '***'), '***Hello\n***World\n');
+    test('Two lines', function () {
+      chai.assert.equal(
+        this.generator.prefixLines('Hello\nWorld\n', '***'),
+        '***Hello\n***World\n',
+      );
     });
   });
 
-  suite('blockToCode', function() {
-    setup(function() {
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "stack_block",
-        "message0": "",
-        "previousStatement": null,
-        "nextStatement": null
-      },
-      {
-        "type": "row_block",
-        "message0": "%1",
-        "args0": [
-          {
-            "type": "input_value",
-            "name": "INPUT"
-          }
-        ],
-        "output": null,
-        "nextStatement": null
-      }]);
-      var rowBlock = this.workspace.newBlock('row_block');
-      var stackBlock = this.workspace.newBlock('stack_block');
-
-      this.blockToCodeTest = function(
-          generator, blockDisabled, opt_thisOnly,
-          expectedCode, opt_message) {
-        generator.row_block = function(_){return 'row_block';};
-        generator.stack_block = function(_){return 'stack_block';};
+  suite('blockToCode', function () {
+    setup(function () {
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': 'stack_block',
+          'message0': '',
+          'previousStatement': null,
+          'nextStatement': null,
+        },
+        {
+          'type': 'row_block',
+          'message0': '%1',
+          'args0': [
+            {
+              'type': 'input_value',
+              'name': 'INPUT',
+            },
+          ],
+          'output': null,
+          'nextStatement': null,
+        },
+      ]);
+      const rowBlock = this.workspace.newBlock('row_block');
+      const stackBlock = this.workspace.newBlock('stack_block');
+
+      this.blockToCodeTest = function (
+        generator,
+        blockDisabled,
+        opt_thisOnly,
+        expectedCode,
+        opt_message,
+      ) {
+        generator.forBlock['row_block'] = function (_) {
+          return 'row_block';
+        };
+        generator.forBlock['stack_block'] = function (_) {
+          return 'stack_block';
+        };
         rowBlock.nextConnection.connect(stackBlock.previousConnection);
-        rowBlock.disabled = blockDisabled;
+        rowBlock.setDisabledReason(blockDisabled, 'test reason');
 
-        var code = generator.blockToCode(rowBlock, opt_thisOnly);
+        const code = generator.blockToCode(rowBlock, opt_thisOnly);
+        delete generator.forBlock['stack_block'];
+        delete generator.forBlock['row_block'];
         chai.assert.equal(code, expectedCode, opt_message);
       };
     });
 
-    var testCase = [
-      [Blockly.Dart, 'Dart'],
-      [Blockly.JavaScript, 'JavaScript'],
-      [Blockly.Lua, 'Lua'],
-      [Blockly.PHP, 'PHP'],
-      [Blockly.Python, 'Python']];
-
-    suite('Trivial', function() {
-      testCase.forEach(function(testCase) {
-        var generator = testCase[0];
-        var name = testCase[1];
-        test(name, function() {
-          this.blockToCodeTest(generator, false, true, 'row_block');
+    const testCase = [
+      [new DartGenerator(), 'Dart'],
+      [new JavascriptGenerator(), 'JavaScript'],
+      [new LuaGenerator(), 'Lua'],
+      [new PhpGenerator(), 'PHP'],
+      [new PythonGenerator(), 'Python'],
+    ];
+
+    suite('Trivial', function () {
+      testCase.forEach(function (testCase) {
+        const generator = testCase[0];
+        const name = testCase[1];
+        test(name, function () {
+          generator.init(this.workspace);
+          this.blockToCodeTest(
+            generator,
+            /* blockDisabled = */ false,
+            /* opt_thisOnly = */ true,
+            'row_block',
+          );
           this.blockToCodeTest(
-              generator, false, false, 'row_blockstack_block', 'thisOnly=false');
+            generator,
+            /* blockDisabled = */ false,
+            /* opt_thisOnly = */ false,
+            'row_blockstack_block',
+            'thisOnly=false',
+          );
         });
       });
     });
 
-    suite('Disabled block', function() {
-      testCase.forEach(function(testCase) {
-        var generator = testCase[0];
-        var name = testCase[1];
-        test(name, function() {
-          this.blockToCodeTest(generator, true, true, '');
-          this.blockToCodeTest(generator, true, false, 'stack_block', 'thisOnly=false');
+    suite('Disabled block', function () {
+      testCase.forEach(function (testCase) {
+        const generator = testCase[0];
+        const name = testCase[1];
+        test(name, function () {
+          this.blockToCodeTest(
+            generator,
+            /* blockDisabled = */ true,
+            /* opt_thisOnly = */ true,
+            '',
+          );
+          this.blockToCodeTest(
+            generator,
+            /* blockDisabled = */ true,
+            /* opt_thisOnly = */ false,
+            'stack_block',
+            'thisOnly=false',
+          );
         });
       });
     });
 
-    suite('Nested block', function() {
-      setup(function() {
-        Blockly.defineBlocksWithJsonArray([{
-          "type": "test_loop_block",
-          "message0": "Repeat Loop",
-          "message1": "%1",
-          "args1": [{
-            "type": "input_statement",
-            "name": "DO"
-          }],
-          "previousStatement": null,
-          "nextStatement": null
-        }]);
-        var blockA = this.workspace.newBlock('test_loop_block');
-        var blockB = this.workspace.newBlock('test_loop_block');
-        var blockC = this.workspace.newBlock('test_loop_block');
-        this.loopTest = function(
-            generator, opt_thisOnly, expectedCode, opt_message) {
-          generator.test_loop_block = function(block){
+    suite('Nested block', function () {
+      setup(function () {
+        Blockly.defineBlocksWithJsonArray([
+          {
+            'type': 'test_loop_block',
+            'message0': 'Repeat Loop',
+            'message1': '%1',
+            'args1': [
+              {
+                'type': 'input_statement',
+                'name': 'DO',
+              },
+            ],
+            'previousStatement': null,
+            'nextStatement': null,
+          },
+        ]);
+        const blockA = this.workspace.newBlock('test_loop_block');
+        const blockB = this.workspace.newBlock('test_loop_block');
+        const blockC = this.workspace.newBlock('test_loop_block');
+        this.loopTest = function (
+          generator,
+          opt_thisOnly,
+          expectedCode,
+          opt_message,
+        ) {
+          generator.forBlock['test_loop_block'] = function (block) {
             return '{' + generator.statementToCode(block, 'DO') + '}';
           };
           blockA.getInput('DO').connection.connect(blockB.previousConnection);
           blockA.nextConnection.connect(blockC.previousConnection);
 
-          var code = generator.blockToCode(blockA, opt_thisOnly);
+          const code = generator.blockToCode(blockA, opt_thisOnly);
           chai.assert.equal(code, expectedCode, opt_message);
         };
       });
 
-      testCase.forEach(function(testCase) {
-        var generator = testCase[0];
-        var name = testCase[1];
-        test(name, function() {
+      testCase.forEach(function (testCase) {
+        const generator = testCase[0];
+        const name = testCase[1];
+        test(name, function () {
           this.loopTest(generator, true, '{  {}}');
           this.loopTest(generator, false, '{  {}}{}', 'thisOnly=false');
         });
       });
     });
+
+    suite('Names', function () {
+      setup(function () {
+        class TestGenerator extends Blockly.CodeGenerator {
+          init() {
+            super.init();
+            this.nameDB_ = sinon.createStubInstance(Blockly.Names, {
+              getName: 'foo',
+            });
+          }
+        }
+        this.generator = new TestGenerator();
+      });
+      test('No nameDB_ initialized', function () {
+        chai.assert.throws(() => {
+          this.generator.getVariableName('foo');
+        });
+      });
+
+      test('Get variable name', function () {
+        this.generator.init();
+
+        chai.assert.equal(this.generator.getVariableName('foo'), 'foo');
+      });
+
+      test('Get procedure name', function () {
+        this.generator.init();
+
+        chai.assert.equal(this.generator.getProcedureName('foo'), 'foo');
+      });
+    });
   });
 });
diff --git a/tests/mocha/gesture_test.js b/tests/mocha/gesture_test.js
index 89e159d10ca..0572fed5b94 100644
--- a/tests/mocha/gesture_test.js
+++ b/tests/mocha/gesture_test.js
@@ -4,28 +4,33 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Tests for gesture.
- * @author marisaleung@google.com (Marisa Leung)
- */
-'use strict';
-
-suite('Gesture', function() {
-  function testGestureIsFieldClick(block, isFieldClick, eventsFireStub){
-    var field = block.getField('NAME');
-    var eventTarget = field.getClickTarget_();
-    chai.assert.exists(eventTarget,
-        'Precondition: missing click target for field');
+import {assertEventFired, assertEventNotFired} from './test_helpers/events.js';
+import {defineBasicBlockWithField} from './test_helpers/block_definitions.js';
+import {dispatchPointerEvent} from './test_helpers/user_input.js';
+import * as eventUtils from '../../build/src/core/events/utils.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Gesture', function () {
+  function testGestureIsFieldClick(block, isFieldClick, eventsFireStub) {
+    const field = block.getField('NAME');
+    const eventTarget = field.getClickTarget_();
+    chai.assert.exists(
+      eventTarget,
+      'Precondition: missing click target for field',
+    );
 
     eventsFireStub.resetHistory();
     dispatchPointerEvent(eventTarget, 'pointerdown');
 
-    var fieldWorkspace = field.sourceBlock_.workspace;
+    const fieldWorkspace = field.sourceBlock_.workspace;
     // Gestures triggered on flyouts are stored on targetWorkspace.
-    var gestureWorkspace = fieldWorkspace.targetWorkspace || fieldWorkspace;
-    var gesture = gestureWorkspace.currentGesture_;
+    const gestureWorkspace = fieldWorkspace.targetWorkspace || fieldWorkspace;
+    const gesture = gestureWorkspace.currentGesture_;
     chai.assert.exists(gesture, 'Gesture exists after pointerdown.');
-    var isFieldClickSpy = sinon.spy(gesture, 'isFieldClick_');
+    const isFieldClickSpy = sinon.spy(gesture, 'isFieldClick');
 
     dispatchPointerEvent(eventTarget, 'pointerup');
     dispatchPointerEvent(eventTarget, 'click');
@@ -33,72 +38,62 @@ suite('Gesture', function() {
     sinon.assert.called(isFieldClickSpy);
     chai.assert.isTrue(isFieldClickSpy.alwaysReturned(isFieldClick));
 
-
-    assertEventFired(eventsFireStub, Blockly.Events.Ui,
-        {element: 'selected', oldValue: null, newValue: block.id},
-        fieldWorkspace.id, null);
-    assertEventNotFired(eventsFireStub, Blockly.Events.Ui, {element: 'click'});
+    assertEventFired(
+      eventsFireStub,
+      Blockly.Events.Selected,
+      {newElementId: block.id, type: eventUtils.SELECTED},
+      fieldWorkspace.id,
+    );
+    assertEventNotFired(eventsFireStub, Blockly.Events.Click, {
+      type: eventUtils.CLICK,
+    });
   }
 
   function getTopFlyoutBlock(flyout) {
-    return flyout.workspace_.topBlocks_[0];
+    return flyout.workspace_.getTopBlocks(false)[0];
   }
 
-  setup(function() {
+  setup(function () {
     sharedTestSetup.call(this);
-    defineBasicBlockWithField(this.sharedCleanup);
-    var toolbox = document.getElementById('gesture-test-toolbox');
+    defineBasicBlockWithField();
+    const toolbox = document.getElementById('gesture-test-toolbox');
     this.workspace = Blockly.inject('blocklyDiv', {toolbox: toolbox});
   });
 
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  test('Constructor', function() {
-    var e = { id: 'dummy_test_event'};
-    var gesture = new Blockly.Gesture(e, this.workspace);
-    chai.assert.equal(gesture.mostRecentEvent_, e);
-    chai.assert.equal(gesture.creatorWorkspace_, this.workspace);
+  test('Constructor', function () {
+    const e = {id: 'dummy_test_event'};
+    const gesture = new Blockly.Gesture(e, this.workspace);
+    chai.assert.equal(gesture.mostRecentEvent, e);
+    chai.assert.equal(gesture.creatorWorkspace, this.workspace);
   });
 
-  test('Field click - Click in workspace', function() {
-    var block = this.workspace.newBlock('test_field_block');
+  test('Field click - Click in workspace', function () {
+    const block = this.workspace.newBlock('test_field_block');
     block.initSvg();
     block.render();
 
     testGestureIsFieldClick(block, true, this.eventsFireStub);
   });
 
-  test('Field click - Auto close flyout', function() {
-    var flyout = this.workspace.flyout_;
-    chai.assert.exists(this.workspace.flyout_,
-        'Precondition: missing flyout');
+  test('Field click - Auto close flyout', function () {
+    const flyout = this.workspace.getFlyout(true);
+    chai.assert.exists(flyout, 'Precondition: missing flyout');
     flyout.autoClose = true;
 
-    var block = getTopFlyoutBlock(flyout);
+    const block = getTopFlyoutBlock(flyout);
     testGestureIsFieldClick(block, false, this.eventsFireStub);
   });
 
-  test('Field click - Always open flyout', function() {
-    var flyout = this.workspace.flyout_;
-    chai.assert.exists(this.workspace.flyout_,
-        'Precondition: missing flyout');
+  test('Field click - Always open flyout', function () {
+    const flyout = this.workspace.getFlyout(true);
+    chai.assert.exists(flyout, 'Precondition: missing flyout');
     flyout.autoClose = false;
 
-    var block = getTopFlyoutBlock(flyout);
+    const block = getTopFlyoutBlock(flyout);
     testGestureIsFieldClick(block, true, this.eventsFireStub);
   });
-
-  test('Shift click in accessibility mode - moves the cursor', function() {
-    this.workspace.keyboardAccessibilityMode = true;
-
-    var eventTarget = this.workspace.svgGroup_;
-    simulateClick(eventTarget, {shiftKey: true});
-
-    var cursor = this.workspace.getCursor();
-    var cursorNode = cursor.getCurNode();
-    chai.assert.exists(cursorNode);
-    chai.assert.equal(cursorNode.getType(), Blockly.ASTNode.types.WORKSPACE);
-  });
 });
diff --git a/tests/mocha/icon_test.js b/tests/mocha/icon_test.js
new file mode 100644
index 00000000000..3463d8ad83b
--- /dev/null
+++ b/tests/mocha/icon_test.js
@@ -0,0 +1,368 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {defineEmptyBlock} from './test_helpers/block_definitions.js';
+import {MockIcon, MockSerializableIcon} from './test_helpers/icon_mocks.js';
+
+suite('Icon', function () {
+  setup(function () {
+    this.clock = sharedTestSetup.call(this, {fireEventsNow: false}).clock;
+    defineEmptyBlock();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  class MockNonSerializableIcon extends MockIcon {
+    getType() {
+      return 'non-serializable icon';
+    }
+  }
+
+  function createHeadlessWorkspace() {
+    return new Blockly.Workspace();
+  }
+
+  function createWorkspaceSvg() {
+    const workspace = new Blockly.WorkspaceSvg(new Blockly.Options({}));
+    workspace.createDom();
+    return workspace;
+  }
+
+  function createUninitializedBlock(workspace) {
+    return workspace.newBlock('empty_block');
+  }
+
+  function createInitializedBlock(workspace) {
+    const block = workspace.newBlock('empty_block');
+    block.initSvg();
+    block.render();
+    return block;
+  }
+
+  function createHeadlessBlock(workspace) {
+    return createUninitializedBlock(workspace);
+  }
+
+  suite('Hooks getting properly triggered by the block', function () {
+    suite('Triggering view initialization', function () {
+      test('initView is not called by headless blocks', function () {
+        const workspace = createHeadlessWorkspace();
+        const block = createUninitializedBlock(workspace);
+        const icon = new MockIcon();
+        const initViewSpy = sinon.spy(icon, 'initView');
+
+        block.addIcon(icon);
+
+        chai.assert.isFalse(
+          initViewSpy.called,
+          'Expected initView to not be called',
+        );
+      });
+
+      test(
+        'initView is called by headful blocks that are currently ' +
+          'rendered when the icon is added',
+        function () {
+          const workspace = new Blockly.WorkspaceSvg(new Blockly.Options({}));
+          workspace.createDom();
+          const block = createInitializedBlock(workspace);
+          const icon = new MockIcon();
+          const initViewSpy = sinon.spy(icon, 'initView');
+
+          block.addIcon(icon);
+          chai.assert.isTrue(
+            initViewSpy.calledOnce,
+            'Expected initView to be called',
+          );
+        },
+      );
+    });
+
+    suite('Triggering applying colors', function () {
+      test('applyColour is not called by headless blocks', function () {
+        const workspace = createHeadlessWorkspace();
+        const block = createUninitializedBlock(workspace);
+        const icon = new MockIcon();
+        const applyColourSpy = sinon.spy(icon, 'applyColour');
+
+        block.addIcon(icon);
+
+        chai.assert.isFalse(
+          applyColourSpy.called,
+          'Expected applyColour to not be called',
+        );
+      });
+
+      test(
+        'applyColour is called by headful blocks that are currently ' +
+          'rendered when the icon is added',
+        function () {
+          const workspace = createWorkspaceSvg();
+          const block = createInitializedBlock(workspace);
+          const icon = new MockIcon();
+          const applyColourSpy = sinon.spy(icon, 'applyColour');
+
+          block.addIcon(icon);
+          chai.assert.isTrue(
+            applyColourSpy.calledOnce,
+            'Expected applyColour to be called',
+          );
+        },
+      );
+
+      test("applyColour is called when the block's color changes", function () {
+        const workspace = createWorkspaceSvg();
+        const block = createInitializedBlock(workspace);
+        const icon = new MockIcon();
+        const applyColourSpy = sinon.spy(icon, 'applyColour');
+
+        block.addIcon(icon);
+        applyColourSpy.resetHistory();
+        block.setColour('#cccccc');
+        chai.assert.isTrue(
+          applyColourSpy.calledOnce,
+          'Expected applyColour to be called',
+        );
+      });
+
+      test("applyColour is called when the block's style changes", function () {
+        const workspace = createWorkspaceSvg();
+        const block = createInitializedBlock(workspace);
+        const icon = new MockIcon();
+        const applyColourSpy = sinon.spy(icon, 'applyColour');
+
+        block.addIcon(icon);
+        applyColourSpy.resetHistory();
+        block.setStyle('logic_block');
+        chai.assert.isTrue(
+          applyColourSpy.calledOnce,
+          'Expected applyColour to be called',
+        );
+      });
+
+      test('applyColour is called when the block is disabled', function () {
+        const workspace = createWorkspaceSvg();
+        const block = createInitializedBlock(workspace);
+        const icon = new MockIcon();
+        const applyColourSpy = sinon.spy(icon, 'applyColour');
+
+        block.addIcon(icon);
+        applyColourSpy.resetHistory();
+        block.setDisabledReason(true, 'test reason');
+        chai.assert.isTrue(
+          applyColourSpy.calledOnce,
+          'Expected applyColour to be called',
+        );
+      });
+
+      test('applyColour is called when the block becomes a shadow', function () {
+        const workspace = createWorkspaceSvg();
+        const block = createInitializedBlock(workspace);
+        const icon = new MockIcon();
+        const applyColourSpy = sinon.spy(icon, 'applyColour');
+
+        block.addIcon(icon);
+        applyColourSpy.resetHistory();
+        block.setShadow(true);
+        chai.assert.isTrue(
+          applyColourSpy.calledOnce,
+          'Expected applyColour to be called',
+        );
+      });
+    });
+
+    suite('Triggering updating editability', function () {
+      test('updateEditable is not called by headless blocks', function () {
+        const workspace = createHeadlessWorkspace();
+        const block = createUninitializedBlock(workspace);
+        const icon = new MockIcon();
+        const updateEditableSpy = sinon.spy(icon, 'updateEditable');
+
+        block.addIcon(icon);
+
+        chai.assert.isFalse(
+          updateEditableSpy.called,
+          'Expected updateEditable to not be called',
+        );
+      });
+
+      test(
+        'updateEditable is called by headful blocks that are currently ' +
+          'rendered when the icon is added',
+        function () {
+          const workspace = createWorkspaceSvg();
+          const block = createInitializedBlock(workspace);
+          const icon = new MockIcon();
+          const updateEditableSpy = sinon.spy(icon, 'updateEditable');
+
+          block.addIcon(icon);
+          chai.assert.isTrue(
+            updateEditableSpy.calledOnce,
+            'Expected updateEditable to be called',
+          );
+        },
+      );
+
+      test('updateEditable is called when the block is made ineditable', function () {
+        const workspace = createWorkspaceSvg();
+        const block = createInitializedBlock(workspace);
+        const icon = new MockIcon();
+        const updateEditableSpy = sinon.spy(icon, 'updateEditable');
+
+        block.addIcon(icon);
+        updateEditableSpy.resetHistory();
+        block.setEditable(false);
+        chai.assert.isTrue(
+          updateEditableSpy.calledOnce,
+          'Expected updateEditable to be called',
+        );
+      });
+
+      test('updateEditable is called when the block is made editable', function () {
+        const workspace = createWorkspaceSvg();
+        const block = createInitializedBlock(workspace);
+        const icon = new MockIcon();
+        const updateEditableSpy = sinon.spy(icon, 'updateEditable');
+
+        block.addIcon(icon);
+        block.setEditable(false);
+        updateEditableSpy.resetHistory();
+        block.setEditable(true);
+        chai.assert.isTrue(
+          updateEditableSpy.calledOnce,
+          'Expected updateEditable to be called',
+        );
+      });
+    });
+
+    suite('Triggering updating collapsed-ness', function () {
+      test('updateCollapsed is not called by headless blocks', function () {
+        const workspace = createHeadlessWorkspace();
+        const block = createUninitializedBlock(workspace);
+        const icon = new MockIcon();
+        const updateCollapsedSpy = sinon.spy(icon, 'updateCollapsed');
+
+        block.addIcon(icon);
+        block.setCollapsed(true);
+        block.setCollapsed(false);
+
+        chai.assert.isFalse(
+          updateCollapsedSpy.called,
+          'Expected updateCollapsed to not be called',
+        );
+      });
+
+      test('updateCollapsed is called when the block is collapsed', function () {
+        const workspace = createWorkspaceSvg();
+        const block = createInitializedBlock(workspace);
+        const icon = new MockIcon();
+        const updateCollapsedSpy = sinon.stub(icon, 'updateCollapsed');
+        block.addIcon(icon);
+
+        updateCollapsedSpy.resetHistory();
+        block.setCollapsed(true);
+        this.clock.runAll();
+
+        chai.assert.isTrue(
+          updateCollapsedSpy.called,
+          'Expected updateCollapsed to be called',
+        );
+      });
+
+      test('updateCollapsed is called when the block is expanded', function () {
+        const workspace = createWorkspaceSvg();
+        const block = createInitializedBlock(workspace);
+        const icon = new MockIcon();
+        const updateCollapsedSpy = sinon.spy(icon, 'updateCollapsed');
+        block.addIcon(icon);
+
+        block.setCollapsed(true);
+        block.setCollapsed(false);
+        this.clock.runAll();
+
+        chai.assert.isTrue(
+          updateCollapsedSpy.called,
+          'Expected updateCollapsed to be called',
+        );
+      });
+    });
+  });
+
+  suite('Serialization', function () {
+    test('serializable icons are saved', function () {
+      const block = createHeadlessBlock(createHeadlessWorkspace());
+      block.addIcon(new MockSerializableIcon());
+      const json = Blockly.serialization.blocks.save(block);
+      chai.assert.deepNestedInclude(
+        json,
+        {'icons': {'serializable icon': 'some state'}},
+        'Expected the JSON to include the saved state of the ' +
+          'serializable icon.',
+      );
+    });
+
+    test('non-serializable icons are not saved', function () {
+      const block = createHeadlessBlock(createHeadlessWorkspace());
+      block.addIcon(new MockNonSerializableIcon());
+      const json = Blockly.serialization.blocks.save(block);
+      chai.assert.notProperty(
+        json,
+        'icons',
+        'Expected the JSON to not include any saved state for icons',
+      );
+    });
+  });
+
+  suite('Deserialization', function () {
+    test('registered icons are instantiated and added to the block', function () {
+      Blockly.icons.registry.register(
+        'serializable icon',
+        MockSerializableIcon,
+      );
+
+      const workspace = createHeadlessWorkspace();
+      const json = {
+        'type': 'empty_block',
+        'icons': {
+          'serializable icon': 'some state',
+        },
+      };
+      const block = Blockly.serialization.blocks.append(json, workspace);
+      chai.assert.equal(
+        block.getIcon('serializable icon').state,
+        'some state',
+        'Expected the icon to have been properly instantiated and ' +
+          'deserialized',
+      );
+
+      Blockly.icons.registry.unregister('serializable icon');
+    });
+
+    test('trying to deserialize an unregistered icon throws an error', function () {
+      const workspace = createHeadlessWorkspace();
+      const json = {
+        'type': 'empty_block',
+        'icons': {
+          'serializable icon': 'some state',
+        },
+      };
+      chai.assert.throws(
+        () => {
+          Blockly.serialization.blocks.append(json, workspace);
+        },
+        Blockly.serialization.exceptions.UnregisteredIcon,
+        '',
+        'Expected deserializing an unregistered icon to throw',
+      );
+    });
+  });
+});
diff --git a/tests/mocha/index.html b/tests/mocha/index.html
index 08a7fb64261..9c7b10cabe2 100644
--- a/tests/mocha/index.html
+++ b/tests/mocha/index.html
@@ -1,23 +1,10 @@
-<!DOCTYPE html>
+<!doctype html>
 <html>
   <head>
-    <meta charset="utf-8">
+    <meta charset="utf-8" />
     <title>Mocha Tests for Blockly</title>
 
-    <link href="https://unpkg.com/mocha@5.2.0/mocha.css" rel="stylesheet" />
-    <script src="../../blockly_uncompressed.js"></script>
-    <script src="../../generators/dart.js"></script>
-    <script src="../../generators/javascript.js"></script>
-    <script src="../../generators/lua.js"></script>
-    <script src="../../generators/php.js"></script>
-    <script src="../../generators/python.js"></script>
-    <script src="../../msg/messages.js"></script>
-    <script src="../../blocks/loops.js"></script>
-    <script src="../../blocks/lists.js"></script>
-    <script src="../../blocks/logic.js"></script>
-    <script src="../../blocks/math.js"></script>
-    <script src="../../blocks/procedures.js"></script>
-    <script src="../../blocks/text.js"></script>
+    <link href="../../node_modules/mocha/mocha.css" rel="stylesheet" />
   </head>
   <style>
     #blocklyDiv {
@@ -28,99 +15,170 @@
     }
   </style>
   <body>
-
     <div id="mocha"></div>
-    <div id="failureCount" style="display:none" tests_failed="unset"></div>
-    <script src="https://unpkg.com/chai/chai.js"></script>
-    <script src="https://unpkg.com/mocha@5.2.0/mocha.js"></script>
-    <script src="https://unpkg.com/sinon/pkg/sinon.js"></script>
-    <script src="https://unpkg.com/@blockly/dev-tools/dist/index.js"></script>
+    <div id="failureCount" style="display: none" tests_failed="unset"></div>
+    <div id="failureMessages" style="display: none"></div>
+    <!-- Load mocha et al. before Blockly and the test modules so that
+         we can safely import the test modules that make calls
+         to (e.g.)  suite() at the top level. -->
+    <script src="../../node_modules/chai/chai.js"></script>
+    <script src="../../node_modules/mocha/mocha.js"></script>
+    <script src="../../node_modules/sinon/pkg/sinon.js"></script>
     <script>
       mocha.setup({
-        ui: 'tdd'
+        ui: 'tdd',
+        failZero: true,
       });
     </script>
 
-    <script src="test_helpers.js"></script>
-    <script src="toolbox_helper.js"></script>
+    <script type="module">
+      import {loadScript} from '../scripts/load.mjs';
+
+      // Load Blockly in uncompressed mode.
+      import * as Blockly from '../../build/blockly.loader.mjs';
+      import '../../build/blocks.loader.mjs';
+      import {javascriptGenerator} from '../../build/javascript.loader.mjs';
+
+      // Import tests.
+      import './astnode_test.js';
+      import './block_json_test.js';
+      import './block_test.js';
+      import './clipboard_test.js';
+      import './comment_test.js';
+      import './comment_deserialization_test.js';
+      import './connection_checker_test.js';
+      import './connection_db_test.js';
+      import './connection_test.js';
+      import './contextmenu_items_test.js';
+      import './contextmenu_test.js';
+      import './cursor_test.js';
+      import './dropdowndiv_test.js';
+      import './event_test.js';
+      import './event_block_change_test.js';
+      import './event_block_create_test.js';
+      import './event_block_delete_test.js';
+      import './event_block_drag_test.js';
+      import './event_block_field_intermediate_change_test.js';
+      import './event_block_move_test.js';
+      import './event_bubble_open_test.js';
+      import './event_click_test.js';
+      import './event_comment_change_test.js';
+      import './event_comment_collapse_test.js';
+      import './event_comment_create_test.js';
+      import './event_comment_delete_test.js';
+      import './event_comment_move_test.js';
+      import './event_marker_move_test.js';
+      import './event_selected_test.js';
+      import './event_theme_change_test.js';
+      import './event_toolbox_item_select_test.js';
+      import './event_trashcan_open_test.js';
+      import './event_var_create_test.js';
+      import './event_var_delete_test.js';
+      import './event_var_rename_test.js';
+      import './event_viewport_test.js';
+      import './extensions_test.js';
+      import './field_checkbox_test.js';
+      import './field_dropdown_test.js';
+      import './field_image_test.js';
+      import './field_label_serializable_test.js';
+      import './field_label_test.js';
+      import './field_number_test.js';
+      import './field_registry_test.js';
+      import './field_test.js';
+      import './field_textinput_test.js';
+      import './field_variable_test.js';
+      import './flyout_test.js';
+      import './generator_test.js';
+      import './gesture_test.js';
+      import './icon_test.js';
+      import './input_test.js';
+      import './insertion_marker_test.js';
+      import './insertion_marker_manager_test.js';
+      import './jso_deserialization_test.js';
+      import './jso_serialization_test.js';
+      import './json_test.js';
+      import './keydown_test.js';
+      import './layering_test.js';
+      import './blocks/lists_test.js';
+      import './blocks/logic_ternary_test.js';
+      import './blocks/loops_test.js';
+      import './metrics_test.js';
+      import './mutator_test.js';
+      import './names_test.js';
+      // TODO: Remove these tests.
+      import './old_workspace_comment_test.js';
+      import './procedure_map_test.js';
+      import './blocks/procedures_test.js';
+      import './registry_test.js';
+      import './render_management_test.js';
+      import './serializer_test.js';
+      import './shortcut_registry_test.js';
+      import './touch_test.js';
+      import './theme_test.js';
+      import './toolbox_test.js';
+      import './tooltip_test.js';
+      import './trashcan_test.js';
+      import './utils_test.js';
+      import './variable_map_test.js';
+      import './variable_model_test.js';
+      import './blocks/variables_test.js';
+      import './widget_div_test.js';
+      import './comment_view_test.js';
+      import './workspace_comment_test.js';
+      import './workspace_svg_test.js';
+      import './workspace_test.js';
+      import './xml_test.js';
+      import './zoom_controls_test.js';
+
+      // Make Blockly and generators available via global scope.
+      globalThis.Blockly = Blockly;
+      globalThis.javascriptGenerator = javascriptGenerator;
 
-    <script src="astnode_test.js"></script>
-    <script src="block_test.js"></script>
-    <script src="comment_test.js"></script>
-    <script src="connection_db_test.js"></script>
-    <script src="connection_checker_test.js"></script>
-    <script src="connection_test.js"></script>
-    <script src="contextmenu_items_test.js"></script>
-    <script src="cursor_test.js"></script>
-    <script src="dropdowndiv_test.js"></script>
-    <script src="event_test.js"></script>
-    <script src="extensions_test.js"></script>
-    <script src="field_test.js"></script>
-    <script src="field_angle_test.js"></script>
-    <script src="field_checkbox_test.js"></script>
-    <script src="field_colour_test.js"></script>
-    <script src="field_dropdown_test.js"></script>
-    <script src="field_image_test.js"></script>
-    <script src="field_label_test.js"></script>
-    <script src="field_label_serializable_test.js"></script>
-    <script src="field_number_test.js"></script>
-    <script src="field_registry_test.js"></script>
-    <script src="field_textinput_test.js"></script>
-    <script src="field_variable_test.js"></script>
-    <script src="flyout_test.js"></script>
-    <script src="generator_test.js"></script>
-    <script src="gesture_test.js"></script>
-    <script src="input_test.js"></script>
-    <script src="insertion_marker_test.js"></script>
-    <script src="json_test.js"></script>
-    <script src="key_map_test.js"></script>
-    <script src="logic_ternary_test.js"></script>
-    <script src="metrics_test.js"></script>
-    <script src="names_test.js"></script>
-    <script src="navigation_modify_test.js"></script>
-    <script src="navigation_test.js"></script>
-    <script src="procedures_test.js"></script>
-    <script src="registry_test.js"></script>
-    <script src="theme_test.js"></script>
-    <script src="toolbox_test.js"></script>
-    <script src="tooltip_test.js"></script>
-    <script src="trashcan_test.js"></script>
-    <script src="utils_test.js"></script>
-    <script src="variable_map_test.js"></script>
-    <script src="variable_model_test.js"></script>
-    <script src="variables_test.js"></script>
-    <script src="widget_div_test.js"></script>
-    <script src="workspace_test.js"></script>
-    <script src="workspace_svg_test.js"></script>
-    <script src="workspace_comment_test.js"></script>
-    <script src="xml_procedures_test.js"></script>
-    <script src="xml_test.js"></script>
-    <script src="zoom_controls_test.js"></script>
+      // Load additional scripts.
+      await loadScript('../../build/msg/en.js');
+      await loadScript('../playgrounds/screenshot.js');
+      await loadScript('../../node_modules/@blockly/dev-tools/dist/index.js');
+
+      let runner = mocha.run(function (failures) {
+        var failureDiv = document.getElementById('failureCount');
+        failureDiv.setAttribute('tests_failed', failures);
+      });
+      runner.on('fail', function (test, err) {
+        const msg = document.createElement('p');
+        msg.textContent = `"${test.fullTitle()}" failed: ${err.message}`;
+        const div = document.getElementById('failureMessages');
+        div.appendChild(msg);
+      });
+    </script>
 
     <div id="blocklyDiv"></div>
-    <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox-simple" style="display: none">
-      <block type="logic_operation"></block>
+
+    <xml
+      xmlns="https://developers.google.com/blockly/xml"
+      id="toolbox-simple"
+      style="display: none">
+      <block type="logic_compare">
+        <field name="OP">NEQ</field>
+        <value name="A">
+          <shadow type="math_number">
+            <field name="NUM">1</field>
+          </shadow>
+        </value>
+        <value name="B">
+          <block type="math_number">
+            <field name="NUM">2</field>
+          </block>
+        </value>
+      </block>
       <sep gap="20"></sep>
       <button text="insert" callbackkey="insertConnectionRows"></button>
       <label text="tooltips"></label>
     </xml>
 
-    <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox-minimal" style="display: none">
-      <block type="basic_block"></block>
-    </xml>
-    <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox-incorrect" style="display: none">
-      <block type="basic_block"></block>
-      <category name="First">
-        <block type="basic_block">
-          <field name="TEXT">FirstCategory-FirstBlock</field>
-        </block>
-        <block type="basic_block">
-          <field name="TEXT">FirstCategory-SecondBlock</field>
-        </block>
-      </category>
-    </xml>
-
-    <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox-categories" style="display: none">
+    <xml
+      xmlns="https://developers.google.com/blockly/xml"
+      id="toolbox-categories"
+      style="display: none">
       <category name="First" css-container="something">
         <block type="basic_block">
           <field name="TEXT">FirstCategory-FirstBlock</field>
@@ -136,7 +194,10 @@
       </category>
     </xml>
 
-    <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox-test" style="display: none">
+    <xml
+      xmlns="https://developers.google.com/blockly/xml"
+      id="toolbox-test"
+      style="display: none">
       <category name="First" expanded="true" categorystyle="logic_category">
         <sep gap="-1"></sep>
         <button text="insert" callbackkey="insertConnectionRows"></button>
@@ -146,27 +207,21 @@
       <category name="Second">
         <block type="stack_block"></block>
       </category>
-      <sep id="separator" gap="-1"></sep>
+      <sep toolboxitemid="separator" gap="-1"></sep>
       <category name="Variables" custom="VARIABLE"></category>
-      <category name="NestedCategory" >
-        <category id="nestedCategory" name="NestedItemOne"></category>
+      <category name="NestedCategory">
+        <category
+          toolboxitemid="nestedCategory"
+          name="NestedItemOne"></category>
       </category>
       <category name="lastItem"></category>
     </xml>
-    <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox-connections" style="display: none">
-      <block type="stack_block"></block>
-      <block type="row_block"></block>
-    </xml>
 
-    <xml xmlns="https://developers.google.com/blockly/xml" id="gesture-test-toolbox" style="display: none">
+    <xml
+      xmlns="https://developers.google.com/blockly/xml"
+      id="gesture-test-toolbox"
+      style="display: none">
       <block type="test_field_block"></block>
     </xml>
-
-    <script>
-      mocha.run(function(failures) {
-        var failureDiv = document.getElementById('failureCount');
-        failureDiv.setAttribute('tests_failed', failures);
-      });
-    </script>
   </body>
 </html>
diff --git a/tests/mocha/input_test.js b/tests/mocha/input_test.js
index c135bfe9711..73baf20f6c7 100644
--- a/tests/mocha/input_test.js
+++ b/tests/mocha/input_test.js
@@ -4,159 +4,168 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Inputs', function() {
-  setup(function() {
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Inputs', function () {
+  setup(function () {
     sharedTestSetup.call(this);
-    Blockly.defineBlocksWithJsonArray([{
-      "type": "empty_block",
-      "message0": "",
-      "args0": []
-    }]);
+    Blockly.defineBlocksWithJsonArray([
+      {
+        'type': 'empty_block',
+        'message0': '',
+        'args0': [],
+      },
+    ]);
 
     this.workspace = Blockly.inject('blocklyDiv');
-    this.block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-        '<block type="empty_block"/>'
-    ), this.workspace);
+    this.block = Blockly.Xml.domToBlock(
+      Blockly.utils.xml.textToDom('<block type="empty_block"/>'),
+      this.workspace,
+    );
 
-    this.renderStub = sinon.stub(this.block, 'render');
-    this.bumpNeighboursStub = sinon.stub(this.block, 'bumpNeighbours');
+    this.renderStub = sinon.stub(this.block, 'queueRender');
 
     this.dummy = this.block.appendDummyInput('DUMMY');
     this.value = this.block.appendValueInput('VALUE');
     this.statement = this.block.appendStatementInput('STATEMENT');
 
     this.renderStub.resetHistory();
-    this.bumpNeighboursStub.resetHistory();
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
-  suite('Insert Field At', function() {
-    suite('Index Bounds', function() {
-      test('< 0', function() {
-        var field = new Blockly.FieldLabel('field');
-        chai.assert.throws(function() {
+  suite('Insert Field At', function () {
+    suite('Index Bounds', function () {
+      test('< 0', function () {
+        const field = new Blockly.FieldLabel('field');
+        chai.assert.throws(function () {
           this.dummy.insertFieldAt(-1, field);
         });
       });
-      test('> length', function() {
-        var field = new Blockly.FieldLabel('field');
-        chai.assert.throws(function() {
+      test('> length', function () {
+        const field = new Blockly.FieldLabel('field');
+        chai.assert.throws(function () {
           this.dummy.insertFieldAt(1, field);
         });
       });
     });
-    suite('Values', function() {
+    suite('Values', function () {
       // We're mostly just testing that it doesn't throw errors.
-      test('Field', function() {
-        var field = new Blockly.FieldLabel('field');
+      test('Field', function () {
+        const field = new Blockly.FieldLabel('field');
         this.dummy.insertFieldAt(0, field);
         chai.assert.equal(this.dummy.fieldRow[0], field);
       });
-      test('String', function() {
+      test('String', function () {
         this.dummy.insertFieldAt(0, 'field');
         chai.assert.instanceOf(this.dummy.fieldRow[0], Blockly.FieldLabel);
       });
-      test('Empty String', function() {
+      test('String w/ field_label overwritten', function () {
+        Blockly.fieldRegistry.unregister('field_label');
+        Blockly.fieldRegistry.register('field_label', Blockly.FieldNumber);
+
+        this.dummy.insertFieldAt(0, '1');
+        chai.assert.instanceOf(this.dummy.fieldRow[0], Blockly.FieldNumber);
+
+        Blockly.fieldRegistry.unregister('field_label');
+        Blockly.fieldRegistry.register('field_label', Blockly.FieldLabel);
+      });
+      test('Empty String', function () {
         this.dummy.insertFieldAt(0, '');
         chai.assert.isEmpty(this.dummy.fieldRow);
       });
-      test('Empty String W/ Name', function() {
+      test('Empty String W/ Name', function () {
         this.dummy.insertFieldAt(0, '', 'NAME');
         chai.assert.instanceOf(this.dummy.fieldRow[0], Blockly.FieldLabel);
       });
-      test('Null', function() {
+      test('Null', function () {
         this.dummy.insertFieldAt(0, null);
         chai.assert.isEmpty(this.dummy.fieldRow);
       });
-      test('Undefined', function() {
+      test('Undefined', function () {
         this.dummy.insertFieldAt(0, undefined);
         chai.assert.isEmpty(this.dummy.fieldRow);
       });
     });
-    suite('Prefixes and Suffixes', function() {
-      test('Prefix', function() {
-        var field = new Blockly.FieldLabel('field');
-        var prefix = new Blockly.FieldLabel('prefix');
+    suite('Prefixes and Suffixes', function () {
+      test('Prefix', function () {
+        const field = new Blockly.FieldLabel('field');
+        const prefix = new Blockly.FieldLabel('prefix');
         field.prefixField = prefix;
 
         this.dummy.appendField(field);
         chai.assert.deepEqual(this.dummy.fieldRow, [prefix, field]);
       });
-      test('Suffix', function() {
-        var field = new Blockly.FieldLabel('field');
-        var suffix = new Blockly.FieldLabel('suffix');
+      test('Suffix', function () {
+        const field = new Blockly.FieldLabel('field');
+        const suffix = new Blockly.FieldLabel('suffix');
         field.suffixField = suffix;
 
         this.dummy.appendField(field);
         chai.assert.deepEqual(this.dummy.fieldRow, [field, suffix]);
       });
-      test('Prefix and Suffix', function() {
-        var field = new Blockly.FieldLabel('field');
-        var prefix = new Blockly.FieldLabel('prefix');
-        var suffix = new Blockly.FieldLabel('suffix');
+      test('Prefix and Suffix', function () {
+        const field = new Blockly.FieldLabel('field');
+        const prefix = new Blockly.FieldLabel('prefix');
+        const suffix = new Blockly.FieldLabel('suffix');
         field.prefixField = prefix;
         field.suffixField = suffix;
 
         this.dummy.appendField(field);
         chai.assert.deepEqual(this.dummy.fieldRow, [prefix, field, suffix]);
       });
-      test('Dropdown - Prefix', function() {
-        var field = new Blockly.FieldDropdown(
-            [
-              ['prefix option1', 'OPTION1'],
-              ['prefix option2', 'OPTION2']
-            ]
-        );
+      test('Dropdown - Prefix', function () {
+        const field = new Blockly.FieldDropdown([
+          ['prefix option1', 'OPTION1'],
+          ['prefix option2', 'OPTION2'],
+        ]);
 
         this.dummy.appendField(field);
         chai.assert.equal(this.dummy.fieldRow.length, 2);
       });
-      test('Dropdown - Suffix', function() {
-        var field = new Blockly.FieldDropdown(
-            [
-              ['option1 suffix', 'OPTION1'],
-              ['option2 suffix', 'OPTION2']
-            ]
-        );
+      test('Dropdown - Suffix', function () {
+        const field = new Blockly.FieldDropdown([
+          ['option1 suffix', 'OPTION1'],
+          ['option2 suffix', 'OPTION2'],
+        ]);
 
         this.dummy.appendField(field);
         chai.assert.equal(this.dummy.fieldRow.length, 2);
       });
-      test('Dropdown - Prefix and Suffix', function() {
-        var field = new Blockly.FieldDropdown(
-            [
-              ['prefix option1 suffix', 'OPTION1'],
-              ['prefix option2 suffix', 'OPTION2']
-            ]
-        );
+      test('Dropdown - Prefix and Suffix', function () {
+        const field = new Blockly.FieldDropdown([
+          ['prefix option1 suffix', 'OPTION1'],
+          ['prefix option2 suffix', 'OPTION2'],
+        ]);
 
         this.dummy.appendField(field);
         chai.assert.equal(this.dummy.fieldRow.length, 3);
       });
     });
-    suite('Field Initialization', function() {
-      test('Rendered', function() {
-        var field = new Blockly.FieldLabel('field');
-        var setBlockSpy = sinon.spy(field, 'setSourceBlock');
-        var initSpy = sinon.spy(field, 'init');
+    suite('Field Initialization', function () {
+      test('Rendered', function () {
+        const field = new Blockly.FieldLabel('field');
+        const setBlockSpy = sinon.spy(field, 'setSourceBlock');
+        const initSpy = sinon.spy(field, 'init');
 
         this.dummy.insertFieldAt(0, field);
         sinon.assert.calledOnce(setBlockSpy);
         chai.assert.equal(setBlockSpy.getCall(0).args[0], this.block);
         sinon.assert.calledOnce(initSpy);
         sinon.assert.calledOnce(this.renderStub);
-        sinon.assert.calledOnce(this.bumpNeighboursStub);
 
         setBlockSpy.restore();
         initSpy.restore();
       });
       // TODO: InsertFieldAt does not properly handle initialization in
       //  headless mode.
-      test.skip('Headless', function() {
-        var field = new Blockly.FieldLabel('field');
-        var setBlockSpy = sinon.spy(field, 'setSourceBlock');
-        var initModelSpy = sinon.spy(field, 'initModel');
+      test.skip('Headless', function () {
+        const field = new Blockly.FieldLabel('field');
+        const setBlockSpy = sinon.spy(field, 'setSourceBlock');
+        const initModelSpy = sinon.spy(field, 'initModel');
 
         this.block.rendered = false;
 
@@ -165,83 +174,78 @@ suite('Inputs', function() {
         chai.assert.equal(setBlockSpy.getCall(0).args[0], this.block);
         sinon.assert.calledOnce(initModelSpy);
         sinon.assert.notCalled(this.renderStub);
-        sinon.assert.notCalled(this.bumpNeighboursStub);
 
         setBlockSpy.restore();
         initModelSpy.restore();
       });
     });
   });
-  suite('Remove Field', function() {
-    test('Field Not Found', function() {
-      chai.assert.throws(function() {
+  suite('Remove Field', function () {
+    test('Field Not Found', function () {
+      chai.assert.throws(function () {
         this.dummy.removeField('FIELD');
       });
     });
-    test('Rendered', function() {
-      var field = new Blockly.FieldLabel('field');
-      var disposeSpy = sinon.spy(field, 'dispose');
+    test('Rendered', function () {
+      const field = new Blockly.FieldLabel('field');
+      const disposeSpy = sinon.spy(field, 'dispose');
       this.dummy.appendField(field, 'FIELD');
 
       this.renderStub.resetHistory();
-      this.bumpNeighboursStub.resetHistory();
 
       this.dummy.removeField('FIELD');
       sinon.assert.calledOnce(disposeSpy);
       sinon.assert.calledOnce(this.renderStub);
-      sinon.assert.calledOnce(this.bumpNeighboursStub);
     });
-    test('Headless', function() {
-      var field = new Blockly.FieldLabel('field');
-      var disposeSpy = sinon.spy(field, 'dispose');
+    test('Headless', function () {
+      const field = new Blockly.FieldLabel('field');
+      const disposeSpy = sinon.spy(field, 'dispose');
       this.dummy.appendField(field, 'FIELD');
 
       this.renderStub.resetHistory();
-      this.bumpNeighboursStub.resetHistory();
 
       this.block.rendered = false;
 
       this.dummy.removeField('FIELD');
       sinon.assert.calledOnce(disposeSpy);
       sinon.assert.notCalled(this.renderStub);
-      sinon.assert.notCalled(this.bumpNeighboursStub);
     });
   });
-  suite('Field Ordering/Manipulation', function() {
-    setup(function() {
+  suite('Field Ordering/Manipulation', function () {
+    setup(function () {
       this.a = new Blockly.FieldLabel('a');
       this.b = new Blockly.FieldLabel('b');
       this.c = new Blockly.FieldLabel('c');
     });
-    test('Append A, B, C', function() {
+    test('Append A, B, C', function () {
       this.dummy.appendField(this.a, 'A');
       this.dummy.appendField(this.b, 'B');
       this.dummy.appendField(this.c, 'C');
 
       chai.assert.deepEqual(this.dummy.fieldRow, [this.a, this.b, this.c]);
     });
-    test('Append B, C; Insert A at Start', function() {
+    test('Append B, C; Insert A at Start', function () {
       this.dummy.appendField(this.b, 'B');
       this.dummy.appendField(this.c, 'C');
       this.dummy.insertFieldAt(0, this.a, 'A');
 
       chai.assert.deepEqual(this.dummy.fieldRow, [this.a, this.b, this.c]);
     });
-    test('Append A, C; Insert B Between', function() {
+    test('Append A, C; Insert B Between', function () {
       this.dummy.appendField(this.a, 'A');
       this.dummy.appendField(this.c, 'C');
       this.dummy.insertFieldAt(1, this.b, 'B');
 
       chai.assert.deepEqual(this.dummy.fieldRow, [this.a, this.b, this.c]);
     });
-    test('Append A, B; Insert C at End', function() {
+    test('Append A, B; Insert C at End', function () {
       this.dummy.appendField(this.a, 'A');
       this.dummy.appendField(this.b, 'B');
       this.dummy.insertFieldAt(2, this.c, 'C');
 
       chai.assert.deepEqual(this.dummy.fieldRow, [this.a, this.b, this.c]);
     });
-    test('Append A, B, C; Remove A, B, C', function() {
+    test('Append A, B, C; Remove A, B, C', function () {
       this.dummy.appendField(this.a, 'A');
       this.dummy.appendField(this.b, 'B');
       this.dummy.appendField(this.c, 'C');
@@ -252,7 +256,7 @@ suite('Inputs', function() {
 
       chai.assert.isEmpty(this.dummy.fieldRow);
     });
-    test('Append A, B, C; Remove A', function() {
+    test('Append A, B, C; Remove A', function () {
       this.dummy.appendField(this.a, 'A');
       this.dummy.appendField(this.b, 'B');
       this.dummy.appendField(this.c, 'C');
@@ -261,7 +265,7 @@ suite('Inputs', function() {
 
       chai.assert.deepEqual(this.dummy.fieldRow, [this.b, this.c]);
     });
-    test('Append A, B, C; Remove B', function() {
+    test('Append A, B, C; Remove B', function () {
       this.dummy.appendField(this.a, 'A');
       this.dummy.appendField(this.b, 'B');
       this.dummy.appendField(this.c, 'C');
@@ -270,7 +274,7 @@ suite('Inputs', function() {
 
       chai.assert.deepEqual(this.dummy.fieldRow, [this.a, this.c]);
     });
-    test('Append A, B, C; Remove C', function() {
+    test('Append A, B, C; Remove C', function () {
       this.dummy.appendField(this.a, 'A');
       this.dummy.appendField(this.b, 'B');
       this.dummy.appendField(this.c, 'C');
@@ -279,7 +283,7 @@ suite('Inputs', function() {
 
       chai.assert.deepEqual(this.dummy.fieldRow, [this.a, this.b]);
     });
-    test('Append A, B; Remove A; Append C', function() {
+    test('Append A, B; Remove A; Append C', function () {
       this.dummy.appendField(this.a, 'A');
       this.dummy.appendField(this.b, 'B');
       this.dummy.removeField('A');
diff --git a/tests/mocha/insertion_marker_manager_test.js b/tests/mocha/insertion_marker_manager_test.js
new file mode 100644
index 00000000000..75cad8ebc12
--- /dev/null
+++ b/tests/mocha/insertion_marker_manager_test.js
@@ -0,0 +1,442 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {
+  defineRowBlock,
+  defineRowToStackBlock,
+  defineStackBlock,
+} from './test_helpers/block_definitions.js';
+
+suite('Insertion marker manager', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    defineRowBlock();
+    defineStackBlock();
+    defineRowToStackBlock();
+    this.workspace = Blockly.inject('blocklyDiv');
+  });
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Creating markers', function () {
+    function createBlocksAndManager(workspace, state) {
+      Blockly.serialization.workspaces.load(state, workspace);
+      const block = workspace.getBlockById('first');
+      const manager = new Blockly.InsertionMarkerManager(block);
+      return manager;
+    }
+
+    test('One stack block creates one marker', function () {
+      const state = {
+        'blocks': {
+          'blocks': [
+            {
+              'type': 'stack_block',
+              'id': 'first',
+            },
+          ],
+        },
+      };
+      const manager = createBlocksAndManager(this.workspace, state);
+      const markers = manager.getInsertionMarkers();
+      chai.assert.equal(markers.length, 1);
+    });
+
+    test('Two stack blocks create two markers', function () {
+      const state = {
+        'blocks': {
+          'blocks': [
+            {
+              'type': 'stack_block',
+              'id': 'first',
+              'next': {
+                'block': {
+                  'type': 'stack_block',
+                  'id': 'second',
+                },
+              },
+            },
+          ],
+        },
+      };
+      const manager = createBlocksAndManager(this.workspace, state);
+      const markers = manager.getInsertionMarkers();
+      chai.assert.equal(markers.length, 2);
+    });
+
+    test('Three stack blocks create two markers', function () {
+      const state = {
+        'blocks': {
+          'blocks': [
+            {
+              'type': 'stack_block',
+              'id': 'first',
+              'next': {
+                'block': {
+                  'type': 'stack_block',
+                  'id': 'second',
+                  'next': {
+                    'block': {
+                      'type': 'stack_block',
+                      'id': 'third',
+                    },
+                  },
+                },
+              },
+            },
+          ],
+        },
+      };
+      const manager = createBlocksAndManager(this.workspace, state);
+      const markers = manager.getInsertionMarkers();
+      chai.assert.equal(markers.length, 2);
+    });
+
+    test('One value block creates one marker', function () {
+      const state = {
+        'blocks': {
+          'blocks': [
+            {
+              'type': 'row_block',
+              'id': 'first',
+            },
+          ],
+        },
+      };
+      const manager = createBlocksAndManager(this.workspace, state);
+      const markers = manager.getInsertionMarkers();
+      chai.assert.equal(markers.length, 1);
+    });
+
+    test('Two value blocks create one marker', function () {
+      const state = {
+        'blocks': {
+          'blocks': [
+            {
+              'type': 'row_block',
+              'id': 'first',
+              'inputs': {
+                'INPUT': {
+                  'block': {
+                    'type': 'row_block',
+                    'id': 'second',
+                  },
+                },
+              },
+            },
+          ],
+        },
+      };
+      const manager = createBlocksAndManager(this.workspace, state);
+      const markers = manager.getInsertionMarkers();
+      chai.assert.equal(markers.length, 1);
+    });
+
+    test('One row to stack block creates one marker', function () {
+      const state = {
+        'blocks': {
+          'blocks': [
+            {
+              'type': 'row_to_stack_block',
+              'id': 'first',
+            },
+          ],
+        },
+      };
+      const manager = createBlocksAndManager(this.workspace, state);
+      const markers = manager.getInsertionMarkers();
+      chai.assert.equal(markers.length, 1);
+    });
+
+    test('Row to stack block with child creates two markers', function () {
+      const state = {
+        'blocks': {
+          'blocks': [
+            {
+              'type': 'row_to_stack_block',
+              'id': 'first',
+              'next': {
+                'block': {
+                  'type': 'stack_block',
+                  'id': 'second',
+                },
+              },
+            },
+          ],
+        },
+      };
+      const manager = createBlocksAndManager(this.workspace, state);
+      const markers = manager.getInsertionMarkers();
+      chai.assert.equal(markers.length, 2);
+    });
+
+    suite('children being set as insertion markers', function () {
+      setup(function () {
+        Blockly.Blocks['shadows_in_init'] = {
+          init: function () {
+            this.appendValueInput('test').connection.setShadowState({
+              'type': 'math_number',
+            });
+            this.setPreviousStatement(true);
+          },
+        };
+
+        Blockly.Blocks['shadows_in_load'] = {
+          init: function () {
+            this.appendValueInput('test');
+            this.setPreviousStatement(true);
+          },
+
+          loadExtraState: function () {
+            this.getInput('test').connection.setShadowState({
+              'type': 'math_number',
+            });
+          },
+
+          saveExtraState: function () {
+            return true;
+          },
+        };
+      });
+
+      teardown(function () {
+        delete Blockly.Blocks['shadows_in_init'];
+        delete Blockly.Blocks['shadows_in_load'];
+      });
+
+      test('Shadows added in init are set as insertion markers', function () {
+        const state = {
+          'blocks': {
+            'blocks': [
+              {
+                'id': 'first',
+                'type': 'shadows_in_init',
+              },
+            ],
+          },
+        };
+        const manager = createBlocksAndManager(this.workspace, state);
+        const markers = manager.getInsertionMarkers();
+        chai.assert.isTrue(
+          markers[0].getChildren()[0].isInsertionMarker(),
+          'Expected the shadow block to be an insertion maker',
+        );
+      });
+
+      test('Shadows added in `loadExtraState` are set as insertion markers', function () {
+        const state = {
+          'blocks': {
+            'blocks': [
+              {
+                'id': 'first',
+                'type': 'shadows_in_load',
+              },
+            ],
+          },
+        };
+        const manager = createBlocksAndManager(this.workspace, state);
+        const markers = manager.getInsertionMarkers();
+        chai.assert.isTrue(
+          markers[0].getChildren()[0].isInsertionMarker(),
+          'Expected the shadow block to be an insertion maker',
+        );
+      });
+    });
+  });
+
+  suite('Would delete block', function () {
+    setup(function () {
+      const state = {
+        'blocks': {
+          'blocks': [
+            {
+              'type': 'stack_block',
+              'id': 'first',
+            },
+          ],
+        },
+      };
+      Blockly.serialization.workspaces.load(state, this.workspace);
+      this.block = this.workspace.getBlockById('first');
+      this.manager = new Blockly.InsertionMarkerManager(this.block);
+
+      const componentManager = this.workspace.getComponentManager();
+      this.stub = sinon.stub(componentManager, 'hasCapability');
+      this.dxy = new Blockly.utils.Coordinate(0, 0);
+    });
+
+    test('Over delete area and accepted would delete', function () {
+      this.stub
+        .withArgs(
+          'fakeDragTarget',
+          Blockly.ComponentManager.Capability.DELETE_AREA,
+        )
+        .returns(true);
+      const fakeDragTarget = {
+        wouldDelete: sinon.fake.returns(true),
+        id: 'fakeDragTarget',
+      };
+      this.manager.update(this.dxy, fakeDragTarget);
+      chai.assert.isTrue(this.manager.wouldDeleteBlock);
+    });
+
+    test('Over delete area and rejected would not delete', function () {
+      this.stub
+        .withArgs(
+          'fakeDragTarget',
+          Blockly.ComponentManager.Capability.DELETE_AREA,
+        )
+        .returns(true);
+      const fakeDragTarget = {
+        wouldDelete: sinon.fake.returns(false),
+        id: 'fakeDragTarget',
+      };
+      this.manager.update(this.dxy, fakeDragTarget);
+      chai.assert.isFalse(this.manager.wouldDeleteBlock);
+    });
+
+    test('Drag target is not a delete area would not delete', function () {
+      this.stub
+        .withArgs(
+          'fakeDragTarget',
+          Blockly.ComponentManager.Capability.DELETE_AREA,
+        )
+        .returns(false);
+      const fakeDragTarget = {
+        wouldDelete: sinon.fake.returns(false),
+        id: 'fakeDragTarget',
+      };
+      this.manager.update(this.dxy, fakeDragTarget);
+      chai.assert.isFalse(this.manager.wouldDeleteBlock);
+    });
+
+    test('Not over drag target would not delete', function () {
+      this.manager.update(this.dxy, null);
+      chai.assert.isFalse(this.manager.wouldDeleteBlock);
+    });
+  });
+
+  suite('Would connect stack blocks', function () {
+    setup(function () {
+      const state = {
+        'blocks': {
+          'blocks': [
+            {
+              'type': 'stack_block',
+              'id': 'first',
+              'x': 0,
+              'y': 0,
+            },
+            {
+              'type': 'stack_block',
+              'id': 'other',
+              'x': 200,
+              'y': 200,
+            },
+          ],
+        },
+      };
+      Blockly.serialization.workspaces.load(state, this.workspace);
+      this.block = this.workspace.getBlockById('first');
+      this.block.setDragging(true);
+      this.manager = new Blockly.InsertionMarkerManager(this.block);
+    });
+
+    test('No other blocks nearby would not connect', function () {
+      this.manager.update(new Blockly.utils.Coordinate(0, 0), null);
+      chai.assert.isFalse(this.manager.wouldConnectBlock());
+    });
+
+    test('Near other block and above would connect before', function () {
+      this.manager.update(new Blockly.utils.Coordinate(200, 190), null);
+      chai.assert.isTrue(this.manager.wouldConnectBlock());
+      const markers = this.manager.getInsertionMarkers();
+      chai.assert.equal(markers.length, 1);
+      const marker = markers[0];
+      chai.assert.isTrue(marker.nextConnection.isConnected());
+    });
+
+    test('Near other block and below would connect after', function () {
+      this.manager.update(new Blockly.utils.Coordinate(200, 210), null);
+      chai.assert.isTrue(this.manager.wouldConnectBlock());
+      const markers = this.manager.getInsertionMarkers();
+      chai.assert.equal(markers.length, 1);
+      const marker = markers[0];
+      chai.assert.isTrue(marker.previousConnection.isConnected());
+    });
+
+    test('Near other block and left would connect', function () {
+      this.manager.update(new Blockly.utils.Coordinate(190, 200), null);
+      chai.assert.isTrue(this.manager.wouldConnectBlock());
+    });
+
+    test('Near other block and right would connect', function () {
+      this.manager.update(new Blockly.utils.Coordinate(210, 200), null);
+      chai.assert.isTrue(this.manager.wouldConnectBlock());
+    });
+  });
+
+  suite('Would connect row blocks', function () {
+    setup(function () {
+      const state = {
+        'blocks': {
+          'blocks': [
+            {
+              'type': 'row_block',
+              'id': 'first',
+              'x': 0,
+              'y': 0,
+            },
+            {
+              'type': 'row_block',
+              'id': 'other',
+              'x': 200,
+              'y': 200,
+            },
+          ],
+        },
+      };
+      Blockly.serialization.workspaces.load(state, this.workspace);
+      this.block = this.workspace.getBlockById('first');
+      this.block.setDragging(true);
+      this.manager = new Blockly.InsertionMarkerManager(this.block);
+    });
+
+    test('No other blocks nearby would not connect', function () {
+      this.manager.update(new Blockly.utils.Coordinate(0, 0), null);
+      chai.assert.isFalse(this.manager.wouldConnectBlock());
+    });
+
+    test('Near other block and above would connect', function () {
+      this.manager.update(new Blockly.utils.Coordinate(200, 190), null);
+      chai.assert.isTrue(this.manager.wouldConnectBlock());
+    });
+
+    test('Near other block and below would connect', function () {
+      this.manager.update(new Blockly.utils.Coordinate(200, 210), null);
+      chai.assert.isTrue(this.manager.wouldConnectBlock());
+    });
+
+    test('Near other block and left would connect before', function () {
+      this.manager.update(new Blockly.utils.Coordinate(190, 200), null);
+      chai.assert.isTrue(this.manager.wouldConnectBlock());
+      const markers = this.manager.getInsertionMarkers();
+      chai.assert.isTrue(markers[0].getInput('INPUT').connection.isConnected());
+    });
+
+    test('Near other block and right would connect after', function () {
+      this.manager.update(new Blockly.utils.Coordinate(210, 200), null);
+      chai.assert.isTrue(this.manager.wouldConnectBlock());
+      const markers = this.manager.getInsertionMarkers();
+      chai.assert.isTrue(markers[0].outputConnection.isConnected());
+    });
+  });
+});
diff --git a/tests/mocha/insertion_marker_test.js b/tests/mocha/insertion_marker_test.js
index eb028b8eb29..c0b8708451d 100644
--- a/tests/mocha/insertion_marker_test.js
+++ b/tests/mocha/insertion_marker_test.js
@@ -4,98 +4,114 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('InsertionMarkers', function() {
-  setup(function() {
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('InsertionMarkers', function () {
+  setup(function () {
     sharedTestSetup.call(this);
     this.workspace = Blockly.inject('blocklyDiv', {});
     Blockly.defineBlocksWithJsonArray([
       {
-        "type": "stack_block",
-        "message0": "",
-        "previousStatement": null,
-        "nextStatement": null
+        'type': 'stack_block',
+        'message0': '',
+        'previousStatement': null,
+        'nextStatement': null,
       },
       {
-        "type": "row_block",
-        "message0": "%1",
-        "args0": [
+        'type': 'row_block',
+        'message0': '%1',
+        'args0': [
           {
-            "type": "input_value",
-            "name": "INPUT"
-          }
+            'type': 'input_value',
+            'name': 'INPUT',
+          },
         ],
-        "output": null
+        'output': null,
       },
       {
-        "type": "statement_block",
-        "message0": "%1",
-        "args0": [
+        'type': 'statement_block',
+        'message0': '%1',
+        'args0': [
           {
-            "type": "input_statement",
-            "name": "STATEMENT"
-          }
+            'type': 'input_statement',
+            'name': 'STATEMENT',
+          },
         ],
-        "previousStatement": null,
-        "nextStatement": null
-      }]);
+        'previousStatement': null,
+        'nextStatement': null,
+      },
+    ]);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
-  suite('Code Generation', function() {
-    setup(function() {
-      Blockly.JavaScript['stack_block'] = function(block) {
+  suite('Code Generation', function () {
+    setup(function () {
+      javascriptGenerator.forBlock['stack_block'] = function (block) {
         return 'stack[' + block.id + '];\n';
       };
-      Blockly.JavaScript['row_block'] = function(block) {
-        var value = Blockly.JavaScript
-            .valueToCode(block, 'INPUT', Blockly.JavaScript.ORDER_NONE);
-        var code = 'row[' + block.id + '](' + value + ')';
-        return [code, Blockly.JavaScript.ORDER_NONE];
+      javascriptGenerator.forBlock['row_block'] = function (block) {
+        const value = javascriptGenerator.valueToCode(
+          block,
+          'INPUT',
+          javascriptGenerator.ORDER_NONE,
+        );
+        const code = 'row[' + block.id + '](' + value + ')';
+        return [code, javascriptGenerator.ORDER_NONE];
       };
-      Blockly.JavaScript['statement_block'] = function(block) {
-        return 'statement[' + block.id + ']{\n' + Blockly.JavaScript
-            .statementToCode(block, 'STATEMENT') + '};\n';
+      javascriptGenerator.forBlock['statement_block'] = function (block) {
+        return (
+          'statement[' +
+          block.id +
+          ']{\n' +
+          javascriptGenerator.statementToCode(block, 'STATEMENT') +
+          '};\n'
+        );
       };
 
-      this.assertGen = function(xml, expectedCode) {
+      this.assertGen = function (xml, expectedCode) {
         Blockly.Xml.domToWorkspace(xml, this.workspace);
-        var block = this.workspace.getBlockById('insertion');
+        const block = this.workspace.getBlockById('insertion');
         block.isInsertionMarker_ = true;
-        var code = Blockly.JavaScript.workspaceToCode(this.workspace);
+        const code = javascriptGenerator.workspaceToCode(this.workspace);
         chai.assert.equal(code, expectedCode);
       };
     });
-    teardown(function() {
-      delete Blockly.JavaScript['stack_block'];
-      delete Blockly.JavaScript['row_block'];
-      delete Blockly.JavaScript['statement_block'];
+    teardown(function () {
+      delete javascriptGenerator.forBlock['stack_block'];
+      delete javascriptGenerator.forBlock['row_block'];
+      delete javascriptGenerator.forBlock['statement_block'];
     });
-    test('Marker Surrounds', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Surrounds', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="statement_block" id="insertion">' +
           '    <statement name="STATEMENT">' +
           '      <block type="statement_block" id="a"/>' +
           '    </statement>' +
           '  </block>' +
-          '</xml>');
+          '</xml>',
+      );
       this.assertGen(xml, 'statement[a]{\n};\n');
     });
-    test('Marker Enclosed', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Enclosed', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="statement_block" id="a">' +
           '    <statement name="STATEMENT">' +
           '      <block type="statement_block" id="insertion"/>' +
           '    </statement>' +
           '  </block>' +
-          '</xml>');
+          '</xml>',
+      );
       this.assertGen(xml, 'statement[a]{\n};\n');
     });
-    test('Marker Enclosed and Surrounds', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Enclosed and Surrounds', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="statement_block" id="a">' +
           '    <statement name="STATEMENT">' +
           '      <block type="statement_block" id="insertion">' +
@@ -105,38 +121,40 @@ suite('InsertionMarkers', function() {
           '      </block>' +
           '    </statement>' +
           '  </block>' +
-          '</xml>');
-      this.assertGen(xml,
-          'statement[a]{\n' +
-          '  statement[b]{\n' +
-          '  };\n' +
-          '};\n');
+          '</xml>',
+      );
+      this.assertGen(
+        xml,
+        'statement[a]{\n' + '  statement[b]{\n' + '  };\n' + '};\n',
+      );
     });
-    test('Marker Prev', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Prev', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="stack_block" id="insertion">' +
           '    <next>' +
           '      <block type="stack_block" id="a"/>' +
           '    </next>' +
           '  </block>' +
-          '</xml>');
+          '</xml>',
+      );
       this.assertGen(xml, 'stack[a];\n');
     });
-    test('Marker Next', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Next', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="stack_block" id="a">' +
           '    <next>' +
           '      <block type="stack_block" id="insertion"/>' +
           '    </next>' +
           '  </block>' +
-          '</xml>');
+          '</xml>',
+      );
       this.assertGen(xml, 'stack[a];\n');
     });
-    test('Marker Middle of Stack', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Middle of Stack', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="stack_block" id="a">' +
           '    <next>' +
           '      <block type="stack_block" id="insertion">' +
@@ -146,36 +164,37 @@ suite('InsertionMarkers', function() {
           '      </block>' +
           '    </next>' +
           '  </block>' +
-          '</xml>');
-      this.assertGen(xml,
-          'stack[a];\n' +
-          'stack[b];\n');
+          '</xml>',
+      );
+      this.assertGen(xml, 'stack[a];\n' + 'stack[b];\n');
     });
-    test('Marker On Output', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker On Output', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="row_block" id="insertion">' +
           '    <value name="INPUT">' +
           '      <block type="row_block" id="a"/>' +
           '    </value>' +
           '  </block>' +
-          '</xml>');
+          '</xml>',
+      );
       this.assertGen(xml, 'row[a]();\n');
     });
-    test('Marker On Input', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker On Input', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="row_block" id="a">' +
           '    <value name="INPUT">' +
           '      <block type="row_block" id="insertion"/>' +
           '    </value>' +
           '  </block>' +
-          '</xml>');
+          '</xml>',
+      );
       this.assertGen(xml, 'row[a]();\n');
     });
-    test('Marker Middle of Row', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Middle of Row', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="row_block" id="a">' +
           '    <value name="INPUT">' +
           '      <block type="row_block" id="insertion">' +
@@ -185,64 +204,71 @@ suite('InsertionMarkers', function() {
           '      </block>' +
           '    </value>' +
           '  </block>' +
-          '</xml>');
+          '</xml>',
+      );
       this.assertGen(xml, 'row[a](row[b]());\n');
     });
-    test('Marker Detatched', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Detatched', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="stack_block" id="insertion"/>' +
           '  <block type="stack_block" id="a"/>' +
-          '</xml>');
+          '</xml>',
+      );
       this.assertGen(xml, 'stack[a];\n');
     });
   });
-  suite.skip('Serialization', function() {
-    // TODO(#4116): Re-enable after addressing bug
-    setup(function() {
-      this.assertXml = function(xml, expectXml) {
-        Blockly.Xml.domToWorkspace(xml, this.workspace);
-        var block = this.workspace.getBlockById('insertion');
+  suite('Serialization', function () {
+    setup(function () {
+      this.assertXml = function (xmlIn, expectXml) {
+        Blockly.Xml.domToWorkspace(xmlIn, this.workspace);
+        const block = this.workspace.getBlockById('insertion');
         block.setInsertionMarker(true);
-        var xml = Blockly.Xml.workspaceToDom(this.workspace);
+        let xml = Blockly.Xml.workspaceToDom(this.workspace);
         Blockly.Xml.domToWorkspace(xml, this.workspace);
         xml = Blockly.Xml.domToText(xml);
         chai.assert.equal(xml, expectXml);
       };
     });
-    test('Marker Surrounds', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Surrounds', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="statement_block" id="insertion" x="20" y="20">' +
           '    <statement name="STATEMENT">' +
           '      <block type="statement_block" id="a"/>' +
           '    </statement>' +
           '  </block>' +
-          '</xml>');
+          '</xml>',
+      );
       // Note how the x and y are not 20, they are slightly lower and end-er
       // because these are the coords of the wrapped block.
-      this.assertXml(xml,
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+      this.assertXml(
+        xml,
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '<block type="statement_block" id="a" x="41" y="31"></block>' +
-          '</xml>');
+          '</xml>',
+      );
     });
-    test('Marker Enclosed', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Enclosed', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="statement_block" id="a" x="20" y="20">' +
           '    <statement name="STATEMENT">' +
           '      <block type="statement_block" id="insertion"/>' +
           '    </statement>' +
           '  </block>' +
-          '</xml>');
-      this.assertXml(xml,
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+          '</xml>',
+      );
+      this.assertXml(
+        xml,
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '<block type="statement_block" id="a" x="20" y="20"></block>' +
-          '</xml>');
+          '</xml>',
+      );
     });
-    test('Marker Enclosed and Surrounds', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Enclosed and Surrounds', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="statement_block" id="a" x="20" y="20">' +
           '    <statement name="STATEMENT">' +
           '      <block type="statement_block" id="insertion">' +
@@ -252,49 +278,58 @@ suite('InsertionMarkers', function() {
           '      </block>' +
           '    </statement>' +
           '  </block>' +
-          '</xml>');
-      this.assertXml(xml,
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+          '</xml>',
+      );
+      this.assertXml(
+        xml,
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '<block type="statement_block" id="a" x="20" y="20">' +
           '<statement name="STATEMENT">' +
           '<block type="statement_block" id="b"></block>' +
           '</statement>' +
           '</block>' +
-          '</xml>');
+          '</xml>',
+      );
     });
-    test('Marker Prev', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Prev', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="stack_block" id="insertion" x="20" y="20">' +
           '    <next>' +
           '      <block type="stack_block" id="a"/>' +
           '    </next>' +
           '  </block>' +
-          '</xml>');
+          '</xml>',
+      );
       // Note how the y coord is not at 20, it is lower. This is because these
       // are the coords of the next block.
-      this.assertXml(xml,
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+      this.assertXml(
+        xml,
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '<block type="stack_block" id="a" x="20" y="46"></block>' +
-          '</xml>');
+          '</xml>',
+      );
     });
-    test('Marker Next', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Next', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="stack_block" id="a" x="20" y="20">' +
           '    <next>' +
           '      <block type="stack_block" id="insertion"/>' +
           '    </next>' +
           '  </block>' +
-          '</xml>');
-      this.assertXml(xml,
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+          '</xml>',
+      );
+      this.assertXml(
+        xml,
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '<block type="stack_block" id="a" x="20" y="20"></block>' +
-          '</xml>');
+          '</xml>',
+      );
     });
-    test('Marker Middle of Stack', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Middle of Stack', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="stack_block" id="a" x="20" y="20">' +
           '    <next>' +
           '      <block type="stack_block" id="insertion">' +
@@ -304,49 +339,58 @@ suite('InsertionMarkers', function() {
           '      </block>' +
           '    </next>' +
           '  </block>' +
-          '</xml>');
-      this.assertXml(xml,
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+          '</xml>',
+      );
+      this.assertXml(
+        xml,
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '<block type="stack_block" id="a" x="20" y="20">' +
           '<next>' +
           '<block type="stack_block" id="b"></block>' +
           '</next>' +
           '</block>' +
-          '</xml>');
+          '</xml>',
+      );
     });
-    test('Marker On Output', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker On Output', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="row_block" id="insertion" x="20" y="20">' +
           '    <value name="INPUT">' +
           '      <block type="row_block" id="a"/>' +
           '    </value>' +
           '  </block>' +
-          '</xml>');
+          '</xml>',
+      );
       // Note how the x value is not at 20. This is because these are the coords
       // of the wrapped block.
-      this.assertXml(xml,
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+      this.assertXml(
+        xml,
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '<block type="row_block" id="a" x="41" y="20"></block>' +
-          '</xml>');
+          '</xml>',
+      );
     });
-    test('Marker On Input', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker On Input', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="row_block" id="a" x="20" y="20">' +
           '    <value name="INPUT">' +
           '      <block type="row_block" id="insertion"/>' +
           '    </value>' +
           '  </block>' +
-          '</xml>');
-      this.assertXml(xml,
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+          '</xml>',
+      );
+      this.assertXml(
+        xml,
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '<block type="row_block" id="a" x="20" y="20"></block>' +
-          '</xml>');
+          '</xml>',
+      );
     });
-    test('Marker Middle of Row', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Middle of Row', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="row_block" id="a" x="20" y="20">' +
           '    <value name="INPUT">' +
           '      <block type="row_block" id="insertion">' +
@@ -356,26 +400,32 @@ suite('InsertionMarkers', function() {
           '      </block>' +
           '    </value>' +
           '  </block>' +
-          '</xml>');
-      this.assertXml(xml,
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+          '</xml>',
+      );
+      this.assertXml(
+        xml,
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '<block type="row_block" id="a" x="20" y="20">' +
           '<value name="INPUT">' +
           '<block type="row_block" id="b"></block>' +
           '</value>' +
           '</block>' +
-          '</xml>');
+          '</xml>',
+      );
     });
-    test('Marker Detatched', function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Marker Detatched', function () {
+      const xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="stack_block" id="insertion"/>' +
           '  <block type="stack_block" id="a" x="20" y="20"/>' +
-          '</xml>');
-      this.assertXml(xml,
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+          '</xml>',
+      );
+      this.assertXml(
+        xml,
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '<block type="stack_block" id="a" x="20" y="20"></block>' +
-          '</xml>');
+          '</xml>',
+      );
     });
   });
 });
diff --git a/tests/mocha/jso_deserialization_test.js b/tests/mocha/jso_deserialization_test.js
new file mode 100644
index 00000000000..7c8a06db856
--- /dev/null
+++ b/tests/mocha/jso_deserialization_test.js
@@ -0,0 +1,850 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+import {assertEventFired} from './test_helpers/events.js';
+import * as eventUtils from '../../build/src/core/events/utils.js';
+import {
+  MockParameterModel,
+  MockProcedureModel,
+} from './test_helpers/procedures.js';
+
+suite('JSO Deserialization', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.sandbox = sinon.createSandbox();
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    this.sandbox.restore();
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Events', function () {
+    test('bad JSON does not leave events disabled', function () {
+      const state = {
+        'blocks': {
+          'blocks': [
+            {
+              'type': 'undefined_block',
+            },
+          ],
+        },
+      };
+      chai.assert.throws(() => {
+        Blockly.serialization.workspaces.load(state, this.workspace);
+      });
+      chai.assert.isTrue(
+        Blockly.Events.isEnabled(),
+        'Expected events to be enabled',
+      );
+    });
+
+    suite('Finished loading', function () {
+      test('Just var', function () {
+        const state = {
+          'blocks': {
+            'blocks': [
+              {
+                'type': 'controls_if',
+                'id': 'testId',
+                'x': 42,
+                'y': 42,
+              },
+            ],
+          },
+        };
+        Blockly.serialization.workspaces.load(state, this.workspace);
+        assertEventFired(
+          this.eventsFireStub,
+          Blockly.Events.FinishedLoading,
+          {type: eventUtils.FINISHED_LOADING},
+          this.workspace.id,
+        );
+      });
+
+      test('Explicit group', function () {
+        const state = {
+          'blocks': {
+            'blocks': [
+              {
+                'type': 'controls_if',
+                'id': 'testId',
+                'x': 42,
+                'y': 42,
+              },
+            ],
+          },
+        };
+        Blockly.Events.setGroup('my group');
+        Blockly.serialization.workspaces.load(state, this.workspace);
+        assertEventFired(
+          this.eventsFireStub,
+          Blockly.Events.FinishedLoading,
+          {'group': 'my group', 'type': eventUtils.FINISHED_LOADING},
+          this.workspace.id,
+        );
+      });
+
+      test('Automatic group', function () {
+        const state = {
+          'variables': [
+            {
+              'name': 'test',
+              'id': 'testId',
+            },
+          ],
+          'blocks': {
+            'blocks': [
+              {
+                'type': 'variables_get',
+                'id': 'blockId',
+                'x': 42,
+                'y': 42,
+                'fields': {
+                  'VAR': {
+                    'id': 'testId',
+                  },
+                },
+              },
+            ],
+          },
+        };
+        Blockly.serialization.workspaces.load(state, this.workspace);
+        const calls = this.eventsFireStub.getCalls();
+        const group = calls[0].args[0].group;
+        chai.assert.isTrue(calls.every((call) => call.args[0].group == group));
+      });
+    });
+
+    suite('Var create', function () {
+      test('Just var', function () {
+        const state = {
+          'variables': [
+            {
+              'name': 'test',
+              'id': 'testId',
+            },
+          ],
+        };
+        Blockly.serialization.workspaces.load(state, this.workspace);
+        assertEventFired(
+          this.eventsFireStub,
+          Blockly.Events.VarCreate,
+          {
+            'varName': 'test',
+            'varId': 'testId',
+            'varType': '',
+            'recordUndo': false,
+            'type': eventUtils.VAR_CREATE,
+          },
+          this.workspace.id,
+        );
+      });
+
+      test('Record undo', function () {
+        const state = {
+          'variables': [
+            {
+              'name': 'test',
+              'id': 'testId',
+            },
+          ],
+        };
+        Blockly.serialization.workspaces.load(state, this.workspace, {
+          recordUndo: true,
+        });
+        assertEventFired(
+          this.eventsFireStub,
+          Blockly.Events.VarCreate,
+          {
+            'varName': 'test',
+            'varId': 'testId',
+            'varType': '',
+            'recordUndo': true,
+            'type': eventUtils.VAR_CREATE,
+          },
+          this.workspace.id,
+        );
+      });
+
+      test('Grouping', function () {
+        const state = {
+          'variables': [
+            {
+              'name': 'test',
+              'id': 'testId',
+            },
+          ],
+        };
+        Blockly.Events.setGroup('my group');
+        Blockly.serialization.workspaces.load(state, this.workspace);
+        assertEventFired(
+          this.eventsFireStub,
+          Blockly.Events.VarCreate,
+          {
+            'varName': 'test',
+            'varId': 'testId',
+            'varType': '',
+            'group': 'my group',
+            'type': eventUtils.VAR_CREATE,
+          },
+          this.workspace.id,
+        );
+      });
+
+      test('Multiple vars grouped', function () {
+        const state = {
+          'variables': [
+            {
+              'name': 'test',
+              'id': 'testId',
+            },
+            {
+              'name': 'test2',
+              'id': 'testId2',
+            },
+          ],
+        };
+        Blockly.serialization.workspaces.load(state, this.workspace);
+        const calls = this.eventsFireStub.getCalls();
+        const group = calls[0].args[0].group;
+        chai.assert.isTrue(calls.every((call) => call.args[0].group == group));
+      });
+
+      test('Var with block', function () {
+        const state = {
+          'variables': [
+            {
+              'name': 'test',
+              'id': 'testId',
+            },
+          ],
+          'blocks': {
+            'blocks': [
+              {
+                'type': 'variables_get',
+                'id': 'blockId',
+                'x': 42,
+                'y': 42,
+                'fields': {
+                  'VAR': {
+                    'id': 'testId',
+                  },
+                },
+              },
+            ],
+          },
+        };
+        Blockly.serialization.workspaces.load(state, this.workspace);
+        const calls = this.eventsFireStub.getCalls();
+        const count = calls.reduce((acc, call) => {
+          if (call.args[0] instanceof Blockly.Events.VarCreate) {
+            return acc + 1;
+          }
+          return acc;
+        }, 0);
+        chai.assert.equal(count, 1);
+        assertEventFired(
+          this.eventsFireStub,
+          Blockly.Events.VarCreate,
+          {
+            'varName': 'test',
+            'varId': 'testId',
+            'varType': '',
+            'type': eventUtils.VAR_CREATE,
+          },
+          this.workspace.id,
+        );
+      });
+    });
+
+    suite('Block create', function () {
+      suite('Top-level call', function () {
+        test('No children', function () {
+          const state = {
+            'blocks': {
+              'blocks': [
+                {
+                  'type': 'controls_if',
+                  'id': 'testId',
+                  'x': 42,
+                  'y': 42,
+                },
+              ],
+            },
+          };
+          Blockly.serialization.workspaces.load(state, this.workspace);
+          assertEventFired(
+            this.eventsFireStub,
+            Blockly.Events.BlockCreate,
+            {'recordUndo': false, 'type': eventUtils.BLOCK_CREATE},
+            this.workspace.id,
+            'testId',
+          );
+        });
+
+        test('Record undo', function () {
+          const state = {
+            'blocks': {
+              'blocks': [
+                {
+                  'type': 'controls_if',
+                  'id': 'testId',
+                  'x': 42,
+                  'y': 42,
+                },
+              ],
+            },
+          };
+          Blockly.serialization.workspaces.load(state, this.workspace, {
+            'recordUndo': true,
+          });
+          assertEventFired(
+            this.eventsFireStub,
+            Blockly.Events.BlockCreate,
+            {'recordUndo': true, 'type': eventUtils.BLOCK_CREATE},
+            this.workspace.id,
+            'testId',
+          );
+        });
+
+        test('Grouping', function () {
+          const state = {
+            'blocks': {
+              'blocks': [
+                {
+                  'type': 'controls_if',
+                  'id': 'testId',
+                  'x': 42,
+                  'y': 42,
+                },
+              ],
+            },
+          };
+          Blockly.Events.setGroup('my group');
+          Blockly.serialization.workspaces.load(state, this.workspace);
+          assertEventFired(
+            this.eventsFireStub,
+            Blockly.Events.BlockCreate,
+            {'group': 'my group', 'type': eventUtils.BLOCK_CREATE},
+            this.workspace.id,
+            'testId',
+          );
+        });
+
+        test('Multiple blocks grouped', function () {
+          const state = {
+            'blocks': {
+              'blocks': [
+                {
+                  'type': 'controls_if',
+                  'id': 'testId',
+                  'x': 42,
+                  'y': 42,
+                },
+                {
+                  'type': 'controls_if',
+                  'id': 'testId',
+                  'x': 84,
+                  'y': 84,
+                },
+              ],
+            },
+          };
+          Blockly.serialization.workspaces.load(state, this.workspace);
+          const calls = this.eventsFireStub.getCalls();
+          const group = calls[0].args[0].group;
+          chai.assert.isTrue(
+            calls.every((call) => call.args[0].group == group),
+          );
+        });
+
+        test('With children', function () {
+          const state = {
+            'blocks': {
+              'blocks': [
+                {
+                  'type': 'controls_if',
+                  'id': 'id1',
+                  'x': 42,
+                  'y': 42,
+                  'inputs': {
+                    'DO0': {
+                      'block': {
+                        'type': 'controls_if',
+                        'id': 'id2',
+                      },
+                    },
+                  },
+                  'next': {
+                    'block': {
+                      'type': 'controls_if',
+                      'id': 'id3',
+                    },
+                  },
+                },
+              ],
+            },
+          };
+          Blockly.serialization.workspaces.load(state, this.workspace);
+          assertEventFired(
+            this.eventsFireStub,
+            Blockly.Events.BlockCreate,
+            {type: eventUtils.BLOCK_CREATE},
+            this.workspace.id,
+            'id1',
+          );
+        });
+      });
+
+      suite('Direct call', function () {
+        test('No children', function () {
+          const state = {
+            'type': 'controls_if',
+            'id': 'testId',
+            'x': 42,
+            'y': 42,
+          };
+          Blockly.serialization.blocks.append(state, this.workspace);
+          assertEventFired(
+            this.eventsFireStub,
+            Blockly.Events.BlockCreate,
+            {'recordUndo': false},
+            this.workspace.id,
+            'testId',
+          );
+        });
+
+        test('Record undo', function () {
+          const state = {
+            'type': 'controls_if',
+            'id': 'testId',
+            'x': 42,
+            'y': 42,
+          };
+          Blockly.serialization.blocks.append(state, this.workspace, {
+            'recordUndo': true,
+          });
+          assertEventFired(
+            this.eventsFireStub,
+            Blockly.Events.BlockCreate,
+            {'recordUndo': true, 'type': eventUtils.BLOCK_CREATE},
+            this.workspace.id,
+            'testId',
+          );
+        });
+
+        test('Grouping', function () {
+          const state = {
+            'type': 'controls_if',
+            'id': 'testId',
+            'x': 42,
+            'y': 42,
+          };
+          Blockly.Events.setGroup('my group');
+          Blockly.serialization.blocks.append(state, this.workspace);
+          assertEventFired(
+            this.eventsFireStub,
+            Blockly.Events.BlockCreate,
+            {'group': 'my group', 'type': eventUtils.BLOCK_CREATE},
+            this.workspace.id,
+            'testId',
+          );
+        });
+      });
+    });
+  });
+
+  suite('Exceptions', function () {
+    setup(function () {
+      this.assertThrows = function (state, error) {
+        chai.assert.throws(() => {
+          Blockly.serialization.workspaces.load(state, this.workspace);
+        }, error);
+      };
+    });
+
+    suite('Undefined block type', function () {
+      test('Name', function () {
+        const state = {
+          'blocks': {
+            'blocks': [
+              {
+                'type': 'not_a_real_block',
+              },
+            ],
+          },
+        };
+        this.assertThrows(state, TypeError);
+      });
+
+      test('Casing', function () {
+        const state = {
+          'blocks': {
+            'blocks': [
+              {
+                'type': 'MATH_NUMBER',
+              },
+            ],
+          },
+        };
+        this.assertThrows(state, TypeError);
+      });
+    });
+
+    suite('Missing connection', function () {
+      test('Input name', function () {
+        const state = {
+          'blocks': {
+            'blocks': [
+              {
+                'type': 'logic_compare',
+                'inputs': {
+                  'not_an_input': {
+                    'block': {
+                      'type': 'logic_boolean',
+                    },
+                  },
+                },
+              },
+            ],
+          },
+        };
+        this.assertThrows(
+          state,
+          Blockly.serialization.exceptions.MissingConnection,
+        );
+      });
+
+      test('Input casing', function () {
+        const state = {
+          'blocks': {
+            'blocks': [
+              {
+                'type': 'logic_compare',
+                'inputs': {
+                  'a': {
+                    'block': {
+                      'type': 'logic_boolean',
+                    },
+                  },
+                },
+              },
+            ],
+          },
+        };
+        this.assertThrows(
+          state,
+          Blockly.serialization.exceptions.MissingConnection,
+        );
+      });
+
+      test('Next', function () {
+        const state = {
+          'blocks': {
+            'blocks': [
+              {
+                'type': 'logic_compare',
+                'next': {
+                  'block': {
+                    'type': 'text_print',
+                  },
+                },
+              },
+            ],
+          },
+        };
+        this.assertThrows(
+          state,
+          Blockly.serialization.exceptions.MissingConnection,
+        );
+      });
+
+      test('Previous', function () {
+        const state = {
+          'blocks': {
+            'blocks': [
+              {
+                'type': 'text_print',
+                'next': {
+                  'block': {
+                    'type': 'logic_compare',
+                  },
+                },
+              },
+            ],
+          },
+        };
+        this.assertThrows(
+          state,
+          Blockly.serialization.exceptions.MissingConnection,
+        );
+      });
+
+      test('Output', function () {
+        const state = {
+          'blocks': {
+            'blocks': [
+              {
+                'type': 'logic_compare',
+                'inputs': {
+                  'A': {
+                    'block': {
+                      'type': 'text_print',
+                    },
+                  },
+                },
+              },
+            ],
+          },
+        };
+        this.assertThrows(
+          state,
+          Blockly.serialization.exceptions.MissingConnection,
+        );
+      });
+    });
+
+    suite('Bad connection check', function () {
+      test('Bad checks', function () {
+        const state = {
+          'blocks': {
+            'blocks': [
+              {
+                'type': 'logic_operation',
+                'inputs': {
+                  'A': {
+                    'block': {
+                      'type': 'math_number',
+                    },
+                  },
+                },
+              },
+            ],
+          },
+        };
+        this.assertThrows(
+          state,
+          Blockly.serialization.exceptions.BadConnectionCheck,
+        );
+      });
+    });
+
+    suite('Real child of shadow', function () {
+      test('Input', function () {
+        const state = {
+          'blocks': {
+            'blocks': [
+              {
+                'type': 'logic_compare',
+                'inputs': {
+                  'A': {
+                    'shadow': {
+                      'type': 'logic_compare',
+                      'inputs': {
+                        'A': {
+                          'block': {
+                            'type': 'logic_boolean',
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+              },
+            ],
+          },
+        };
+        this.assertThrows(
+          state,
+          Blockly.serialization.exceptions.RealChildOfShadow,
+        );
+      });
+
+      test('Next', function () {
+        const state = {
+          'blocks': {
+            'blocks': [
+              {
+                'type': 'text_print',
+                'next': {
+                  'shadow': {
+                    'type': 'text_print',
+                    'next': {
+                      'block': {
+                        'type': 'text_print',
+                      },
+                    },
+                  },
+                },
+              },
+            ],
+          },
+        };
+        this.assertThrows(
+          state,
+          Blockly.serialization.exceptions.RealChildOfShadow,
+        );
+      });
+    });
+  });
+
+  test('Priority', function () {
+    const blocksSerializer = Blockly.registry.getClass(
+      Blockly.registry.Type.SERIALIZER,
+      'blocks',
+    );
+    const variablesSerializer = Blockly.registry.getClass(
+      Blockly.registry.Type.SERIALIZER,
+      'variables',
+    );
+
+    Blockly.serialization.registry.unregister('blocks');
+    Blockly.serialization.registry.unregister('variables');
+
+    const calls = [];
+
+    const first = {
+      priority: 100,
+      save: () => null,
+      load: () => calls.push('first-load'),
+      clear: () => calls.push('first-clear'),
+    };
+    const second = {
+      priority: 0,
+      save: () => null,
+      load: () => calls.push('second-load'),
+      clear: () => calls.push('second-clear'),
+    };
+    const third = {
+      priority: -10,
+      save: () => null,
+      load: () => calls.push('third-load'),
+      clear: () => calls.push('third-clear'),
+    };
+
+    Blockly.serialization.registry.register('third', third);
+    Blockly.serialization.registry.register('first', first);
+    Blockly.serialization.registry.register('second', second);
+
+    Blockly.serialization.workspaces.load(
+      {'first': {}, 'third': {}, 'second': {}},
+      this.workspace,
+    );
+
+    Blockly.serialization.registry.unregister('first');
+    Blockly.serialization.registry.unregister('second');
+    Blockly.serialization.registry.unregister('third');
+
+    Blockly.serialization.registry.register('blocks', blocksSerializer);
+    Blockly.serialization.registry.register('variables', variablesSerializer);
+
+    chai.assert.deepEqual(calls, [
+      'third-clear',
+      'second-clear',
+      'first-clear',
+      'first-load',
+      'second-load',
+      'third-load',
+    ]);
+  });
+
+  suite('Extra state', function () {
+    // Most of this is covered by our round-trip tests. But we need one test
+    // for old xml hooks.
+    test('Xml hooks', function () {
+      Blockly.Blocks['test_block'] = {
+        init: function () {},
+
+        mutationToDom: function () {
+          const container = Blockly.utils.xml.createElement('mutation');
+          container.setAttribute('value', 'some value');
+          return container;
+        },
+
+        domToMutation: function (element) {
+          this.someProperty = element.getAttribute('value');
+        },
+      };
+
+      const block = Blockly.serialization.blocks.append(
+        {
+          'type': 'test_block',
+          'extraState': '<mutation value="some value"></mutation>',
+        },
+        this.workspace,
+      );
+
+      delete Blockly.Blocks['test_block'];
+
+      chai.assert.equal(block.someProperty, 'some value');
+    });
+  });
+
+  suite('Procedures', function () {
+    setup(function () {
+      this.procedureSerializer =
+        new Blockly.serialization.procedures.ProcedureSerializer(
+          MockProcedureModel,
+          MockParameterModel,
+        );
+      this.procedureMap = this.workspace.getProcedureMap();
+    });
+
+    teardown(function () {
+      this.procedureSerializer = null;
+      this.procedureMap = null;
+    });
+
+    test('load is called for the procedure model', function () {
+      const state = [
+        {
+          'id': 'test',
+          'parameters': [],
+        },
+      ];
+      const spy = this.sandbox.spy(MockProcedureModel, 'loadState');
+
+      this.procedureSerializer.load(state, this.workspace);
+
+      chai.assert.isTrue(
+        spy.calledOnce,
+        'Expected the loadState method to be called',
+      );
+    });
+
+    test('load is called for each parameter model', function () {
+      const state = [
+        {
+          'id': 'test',
+          'parameters': [
+            {
+              'id': 'test1',
+            },
+            {
+              'id': 'test2',
+            },
+          ],
+        },
+      ];
+
+      const spy = this.sandbox.spy(MockParameterModel, 'loadState');
+
+      this.procedureSerializer.load(state, this.workspace);
+
+      chai.assert.isTrue(
+        spy.calledTwice,
+        'Expected the loadState method to be called once for each parameter',
+      );
+    });
+  });
+});
diff --git a/tests/mocha/jso_serialization_test.js b/tests/mocha/jso_serialization_test.js
new file mode 100644
index 00000000000..72a74ad3d6a
--- /dev/null
+++ b/tests/mocha/jso_serialization_test.js
@@ -0,0 +1,1070 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as Blockly from '../../build/src/core/blockly.js';
+import {
+  createGenUidStubWithReturns,
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+import {
+  defineRowBlock,
+  defineStackBlock,
+  defineStatementBlock,
+} from './test_helpers/block_definitions.js';
+import {
+  MockParameterModel,
+  MockProcedureModel,
+} from './test_helpers/procedures.js';
+
+suite('JSO Serialization', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+    this.sandbox = sinon.createSandbox();
+
+    defineStackBlock();
+    defineRowBlock();
+    defineStatementBlock();
+
+    createGenUidStubWithReturns(new Array(10).fill().map((_, i) => 'id' + i));
+  });
+
+  teardown(function () {
+    this.sandbox.restore();
+    workspaceTeardown.call(this, this.workspace);
+    sharedTestTeardown.call(this);
+  });
+
+  function assertProperty(obj, property, value) {
+    chai.assert.deepEqual(obj[property], value);
+  }
+
+  function assertNoProperty(obj, property) {
+    assertProperty(obj, property, undefined);
+  }
+
+  suite('Blocks', function () {
+    test('Null on insertionMarkers', function () {
+      const block = this.workspace.newBlock('row_block');
+      block.setInsertionMarker(true);
+      const jso = Blockly.serialization.blocks.save(block);
+      chai.assert.isNull(jso);
+    });
+
+    test('Basic', function () {
+      const block = this.workspace.newBlock('row_block');
+      const jso = Blockly.serialization.blocks.save(block);
+      assertProperty(jso, 'type', 'row_block');
+      assertProperty(jso, 'id', 'id0');
+    });
+
+    test('saveId false', function () {
+      const block = this.workspace.newBlock('row_block');
+      const jso = Blockly.serialization.blocks.save(block, {saveIds: false});
+      assertProperty(jso, 'id', undefined);
+    });
+
+    suite('Attributes', function () {
+      suite('Collapsed', function () {
+        test('True', function () {
+          const block = this.workspace.newBlock('row_block');
+          block.setCollapsed(true);
+          const jso = Blockly.serialization.blocks.save(block);
+          assertProperty(jso, 'collapsed', true);
+        });
+
+        test('False', function () {
+          const block = this.workspace.newBlock('row_block');
+          block.setCollapsed(false);
+          const jso = Blockly.serialization.blocks.save(block);
+          assertNoProperty(jso, 'collapsed');
+        });
+      });
+
+      suite('DisabledReasons', function () {
+        test('One reason', function () {
+          const block = this.workspace.newBlock('row_block');
+          block.setDisabledReason(true, 'test reason');
+          const jso = Blockly.serialization.blocks.save(block);
+          assertProperty(jso, 'disabledReasons', ['test reason']);
+        });
+
+        test('Zero reasons', function () {
+          const block = this.workspace.newBlock('row_block');
+          block.setDisabledReason(false, 'test reason');
+          const jso = Blockly.serialization.blocks.save(block);
+          assertNoProperty(jso, 'disabledReasons');
+        });
+
+        test('Multiple reasons', function () {
+          const block = this.workspace.newBlock('row_block');
+          block.setDisabledReason(true, 'test reason 1');
+          block.setDisabledReason(true, 'test reason 2');
+          const jso = Blockly.serialization.blocks.save(block);
+          assertProperty(jso, 'disabledReasons', [
+            'test reason 1',
+            'test reason 2',
+          ]);
+        });
+      });
+
+      suite('Inline', function () {
+        test('True', function () {
+          const block = this.workspace.newBlock('statement_block');
+          block.setInputsInline(true);
+          const jso = Blockly.serialization.blocks.save(block);
+          assertProperty(jso, 'inline', true);
+        });
+
+        test('False', function () {
+          const block = this.workspace.newBlock('statement_block');
+          block.setInputsInline(false);
+          const jso = Blockly.serialization.blocks.save(block);
+          assertProperty(jso, 'inline', false);
+        });
+
+        test('undefined', function () {
+          const block = this.workspace.newBlock('statement_block');
+          const jso = Blockly.serialization.blocks.save(block);
+          assertNoProperty(jso, 'inline');
+        });
+
+        test('True, matching default', function () {
+          const block = this.workspace.newBlock('statement_block');
+          block.setInputsInline(true);
+          block.inputsInlineDefault = true;
+          const jso = Blockly.serialization.blocks.save(block);
+          assertNoProperty(jso, 'inline');
+        });
+
+        test('False, matching default', function () {
+          const block = this.workspace.newBlock('statement_block');
+          block.setInputsInline(false);
+          block.inputsInlineDefault = false;
+          const jso = Blockly.serialization.blocks.save(block);
+          assertNoProperty(jso, 'inline');
+        });
+      });
+
+      suite('Data', function () {
+        test('No data', function () {
+          const block = this.workspace.newBlock('row_block');
+          const jso = Blockly.serialization.blocks.save(block);
+          assertNoProperty(jso, 'data');
+        });
+
+        test('With data', function () {
+          const block = this.workspace.newBlock('row_block');
+          block.data = 'some data';
+          const jso = Blockly.serialization.blocks.save(block);
+          assertProperty(jso, 'data', 'some data');
+        });
+      });
+    });
+
+    suite('Coords', function () {
+      test('No coordinates', function () {
+        const block = this.workspace.newBlock('row_block');
+        const jso = Blockly.serialization.blocks.save(block);
+        assertNoProperty(jso, 'x');
+        assertNoProperty(jso, 'y');
+      });
+
+      test('Simple', function () {
+        const block = this.workspace.newBlock('row_block');
+        block.moveBy(42, 42);
+        const jso = Blockly.serialization.blocks.save(block, {
+          addCoordinates: true,
+        });
+        assertProperty(jso, 'x', 42);
+        assertProperty(jso, 'y', 42);
+      });
+
+      test('Negative', function () {
+        const block = this.workspace.newBlock('row_block');
+        block.moveBy(-42, -42);
+        const jso = Blockly.serialization.blocks.save(block, {
+          addCoordinates: true,
+        });
+        assertProperty(jso, 'x', -42);
+        assertProperty(jso, 'y', -42);
+      });
+
+      test('Zero', function () {
+        const block = this.workspace.newBlock('row_block');
+        const jso = Blockly.serialization.blocks.save(block, {
+          addCoordinates: true,
+        });
+        assertProperty(jso, 'x', 0);
+        assertProperty(jso, 'y', 0);
+      });
+    });
+
+    // Mutators.
+    suite('Extra state', function () {
+      test('Simple value', function () {
+        const block = this.workspace.newBlock('row_block');
+        block.saveExtraState = function () {
+          return 'some extra state';
+        };
+        const jso = Blockly.serialization.blocks.save(block);
+        assertProperty(jso, 'extraState', 'some extra state');
+      });
+
+      test('Object', function () {
+        const block = this.workspace.newBlock('row_block');
+        block.saveExtraState = function () {
+          return {
+            'extra1': 'state1',
+            'extra2': 42,
+            'extra3': true,
+          };
+        };
+        const jso = Blockly.serialization.blocks.save(block);
+        assertProperty(jso, 'extraState', {
+          'extra1': 'state1',
+          'extra2': 42,
+          'extra3': true,
+        });
+      });
+
+      test('Array', function () {
+        const block = this.workspace.newBlock('row_block');
+        block.saveExtraState = function () {
+          return ['state1', 42, true];
+        };
+        const jso = Blockly.serialization.blocks.save(block);
+        assertProperty(jso, 'extraState', ['state1', 42, true]);
+      });
+
+      test('Xml hooks', function () {
+        const block = this.workspace.newBlock('row_block');
+        block.mutationToDom = function () {
+          const container = Blockly.utils.xml.createElement('mutation');
+          container.setAttribute('value', 'some value');
+          return container;
+        };
+        const jso = Blockly.serialization.blocks.save(block);
+        assertProperty(
+          jso,
+          'extraState',
+          '<mutation value="some value"></mutation>',
+        );
+      });
+    });
+
+    suite('Icons', function () {
+      suite('Comment', function () {
+        test('Basic', function () {
+          const block = this.workspace.newBlock('row_block');
+          block.setCommentText('test');
+          const jso = Blockly.serialization.blocks.save(block);
+          assertProperty(jso, 'icons', {
+            'comment': {
+              'text': 'test',
+              'pinned': false,
+              'height': 80,
+              'width': 160,
+            },
+          });
+        });
+
+        test('Pinned', function () {
+          const block = this.workspace.newBlock('row_block');
+          block.setCommentText('test');
+          block.getIcon(Blockly.icons.CommentIcon.TYPE).setBubbleVisible(true);
+          const jso = Blockly.serialization.blocks.save(block);
+          assertProperty(jso, 'icons', {
+            'comment': {
+              'text': 'test',
+              'pinned': true,
+              'height': 80,
+              'width': 160,
+            },
+          });
+        });
+
+        test('Size', function () {
+          const block = this.workspace.newBlock('row_block');
+          block.setCommentText('test');
+          block
+            .getIcon(Blockly.icons.CommentIcon.TYPE)
+            .setBubbleSize(new Blockly.utils.Size(320, 40));
+          const jso = Blockly.serialization.blocks.save(block);
+          assertProperty(jso, 'icons', {
+            'comment': {
+              'text': 'test',
+              'pinned': false,
+              'height': 40,
+              'width': 320,
+            },
+          });
+        });
+      });
+    });
+
+    suite('Fields', function () {
+      class StringStateField extends Blockly.Field {
+        constructor(value, validator = undefined, config = undefined) {
+          super(value, validator, config);
+          this.SERIALIZABLE = true;
+        }
+
+        saveState() {
+          return 'some state';
+        }
+      }
+
+      class ObjectStateField extends Blockly.Field {
+        constructor(value, validator = undefined, config = undefined) {
+          super(value, validator, config);
+          this.SERIALIZABLE = true;
+        }
+
+        saveState() {
+          return {
+            'prop1': 'state1',
+            'prop2': 42,
+            'prop3': true,
+          };
+        }
+      }
+
+      class ArrayStateField extends Blockly.Field {
+        constructor(value, validator = undefined, config = undefined) {
+          super(value, validator, config);
+          this.SERIALIZABLE = true;
+        }
+
+        saveState() {
+          return ['state1', 42, true];
+        }
+      }
+
+      class XmlStateField extends Blockly.Field {
+        constructor(value, validator = undefined, config = undefined) {
+          super(value, validator, config);
+          this.SERIALIZABLE = true;
+        }
+      }
+
+      test('Simple value', function () {
+        const block = this.workspace.newBlock('row_block');
+        block.getInput('INPUT').appendField(new StringStateField(''), 'FIELD');
+        const jso = Blockly.serialization.blocks.save(block);
+        assertProperty(jso, 'fields', {'FIELD': 'some state'});
+      });
+
+      test('Object', function () {
+        const block = this.workspace.newBlock('row_block');
+        block.getInput('INPUT').appendField(new ObjectStateField(''), 'FIELD');
+        const jso = Blockly.serialization.blocks.save(block);
+        assertProperty(jso, 'fields', {
+          'FIELD': {
+            'prop1': 'state1',
+            'prop2': 42,
+            'prop3': true,
+          },
+        });
+      });
+
+      test('Array', function () {
+        const block = this.workspace.newBlock('row_block');
+        block.getInput('INPUT').appendField(new ArrayStateField(''), 'FIELD');
+        const jso = Blockly.serialization.blocks.save(block);
+        assertProperty(jso, 'fields', {'FIELD': ['state1', 42, true]});
+      });
+    });
+
+    suite('Connected blocks', function () {
+      setup(function () {
+        this.assertInput = function (jso, name, value) {
+          chai.assert.deepInclude(jso['inputs'][name], value);
+        };
+
+        this.createBlockWithChild = function (blockType, inputName) {
+          const block = this.workspace.newBlock(blockType);
+          const childBlock = this.workspace.newBlock(blockType);
+          block
+            .getInput(inputName)
+            .connection.connect(
+              childBlock.outputConnection || childBlock.previousConnection,
+            );
+          return block;
+        };
+
+        this.createBlockWithShadow = function (blockType, inputName) {
+          const block = this.workspace.newBlock(blockType);
+          block
+            .getInput(inputName)
+            .connection.setShadowDom(
+              Blockly.utils.xml.textToDom(
+                '<shadow type="' + blockType + '" id="test"></shadow>',
+              ),
+            );
+          return block;
+        };
+
+        this.createBlockWithShadowAndChild = function (blockType, inputName) {
+          const block = this.workspace.newBlock(blockType);
+          const childBlock = this.workspace.newBlock(blockType);
+          block
+            .getInput(inputName)
+            .connection.connect(
+              childBlock.outputConnection || childBlock.previousConnection,
+            );
+          block
+            .getInput(inputName)
+            .connection.setShadowDom(
+              Blockly.utils.xml.textToDom(
+                '<shadow type="' + blockType + '" id="test"></shadow>',
+              ),
+            );
+          return block;
+        };
+
+        this.assertChild = function (blockType, inputName) {
+          const block = this.createBlockWithChild(blockType, inputName);
+          const jso = Blockly.serialization.blocks.save(block);
+          this.assertInput(jso, inputName, {
+            'block': {'type': blockType, 'id': 'id2'},
+          });
+        };
+
+        this.assertShadow = function (blockType, inputName) {
+          const block = this.createBlockWithShadow(blockType, inputName);
+          const jso = Blockly.serialization.blocks.save(block);
+          this.assertInput(jso, inputName, {
+            'shadow': {'type': blockType, 'id': 'test'},
+          });
+        };
+
+        this.assertOverwrittenShadow = function (blockType, inputName) {
+          const block = this.createBlockWithShadowAndChild(
+            blockType,
+            inputName,
+          );
+          const jso = Blockly.serialization.blocks.save(block);
+          this.assertInput(jso, inputName, {
+            'block': {
+              'type': blockType,
+              'id': 'id2',
+            },
+            'shadow': {
+              'type': blockType,
+              'id': 'test',
+            },
+          });
+        };
+
+        this.assertNoChild = function (blockType, inputName) {
+          const block = this.createBlockWithChild(blockType, inputName);
+          const jso = Blockly.serialization.blocks.save(block, {
+            addInputBlocks: false,
+          });
+          chai.assert.isUndefined(jso['inputs']);
+        };
+
+        this.assertNoShadow = function (blockType, inputName) {
+          const block = this.createBlockWithShadow(blockType, inputName);
+          const jso = Blockly.serialization.blocks.save(block, {
+            addInputBlocks: false,
+          });
+          chai.assert.isUndefined(jso['inputs']);
+        };
+
+        this.assertNoOverwrittenShadow = function (blockType, inputName) {
+          const block = this.createBlockWithShadowAndChild(
+            blockType,
+            inputName,
+          );
+          const jso = Blockly.serialization.blocks.save(block, {
+            addInputBlocks: false,
+          });
+          chai.assert.isUndefined(jso['inputs']);
+        };
+      });
+
+      suite('Editing shadow value', function () {
+        test('Not overwritten', function () {
+          const block = this.workspace.newBlock('text_print');
+          block.getInput('TEXT').connection.setShadowState({
+            'type': 'text',
+            'id': 'id',
+          });
+          block.getInputTargetBlock('TEXT').setFieldValue('new value', 'TEXT');
+          const jso = Blockly.serialization.blocks.save(block);
+          this.assertInput(jso, 'TEXT', {
+            'shadow': {
+              'type': 'text',
+              'id': 'id',
+              'fields': {
+                'TEXT': 'new value',
+              },
+            },
+          });
+        });
+
+        test('Overwritten', function () {
+          const block = this.workspace.newBlock('text_print');
+          block.getInput('TEXT').connection.setShadowState({
+            'type': 'text',
+            'id': 'id',
+          });
+          block.getInputTargetBlock('TEXT').setFieldValue('new value', 'TEXT');
+          const childBlock = this.workspace.newBlock('text');
+          block
+            .getInput('TEXT')
+            .connection.connect(childBlock.outputConnection);
+          const jso = Blockly.serialization.blocks.save(block);
+          this.assertInput(jso, 'TEXT', {
+            'shadow': {
+              'type': 'text',
+              'id': 'id',
+              'fields': {
+                'TEXT': 'new value',
+              },
+            },
+            'block': {
+              'type': 'text',
+              'id': 'id3',
+              'fields': {
+                'TEXT': '',
+              },
+            },
+          });
+        });
+      });
+
+      suite('Value', function () {
+        suite('With serialization', function () {
+          test('Child', function () {
+            this.assertChild('row_block', 'INPUT');
+          });
+
+          test('Shadow', function () {
+            this.assertShadow('row_block', 'INPUT');
+          });
+
+          test('Overwritten shadow', function () {
+            this.assertOverwrittenShadow('row_block', 'INPUT');
+          });
+        });
+
+        suite('Without serialization', function () {
+          test('Child', function () {
+            this.assertNoChild('row_block', 'INPUT');
+          });
+
+          test('Shadow', function () {
+            this.assertNoShadow('row_block', 'INPUT');
+          });
+
+          test('Overwritten shadow', function () {
+            this.assertNoOverwrittenShadow('row_block', 'INPUT');
+          });
+        });
+      });
+
+      suite('Statement', function () {
+        suite('With serialization', function () {
+          test('Child', function () {
+            this.assertChild('statement_block', 'NAME');
+          });
+
+          test('Shadow', function () {
+            this.assertShadow('statement_block', 'NAME');
+          });
+
+          test('Overwritten shadow', function () {
+            this.assertOverwrittenShadow('statement_block', 'NAME');
+          });
+
+          test('Child with next blocks', function () {
+            const block = this.workspace.newBlock('statement_block');
+            const childBlock = this.workspace.newBlock('stack_block');
+            const grandChildBlock = this.workspace.newBlock('stack_block');
+            block
+              .getInput('NAME')
+              .connection.connect(childBlock.previousConnection);
+            childBlock.nextConnection.connect(
+              grandChildBlock.previousConnection,
+            );
+            const jso = Blockly.serialization.blocks.save(block);
+            this.assertInput(jso, 'NAME', {
+              'block': {
+                'type': 'stack_block',
+                'id': 'id2',
+                'next': {
+                  'block': {
+                    'type': 'stack_block',
+                    'id': 'id4',
+                  },
+                },
+              },
+            });
+          });
+        });
+
+        suite('Without serialization', function () {
+          test('Child', function () {
+            this.assertNoChild('statement_block', 'NAME');
+          });
+
+          test('Shadow', function () {
+            this.assertNoShadow('statement_block', 'NAME');
+          });
+
+          test('Overwritten shadow', function () {
+            this.assertNoOverwrittenShadow('statement_block', 'NAME');
+          });
+        });
+      });
+
+      suite('Next', function () {
+        setup(function () {
+          this.createNextWithChild = function () {
+            const block = this.workspace.newBlock('stack_block');
+            const childBlock = this.workspace.newBlock('stack_block');
+            block.nextConnection.connect(childBlock.previousConnection);
+            return block;
+          };
+
+          this.createNextWithShadow = function () {
+            const block = this.workspace.newBlock('stack_block');
+            block.nextConnection.setShadowDom(
+              Blockly.utils.xml.textToDom(
+                '<shadow type="stack_block" id="test"></shadow>',
+              ),
+            );
+            return block;
+          };
+
+          this.createNextWithShadowAndChild = function () {
+            const block = this.workspace.newBlock('stack_block');
+            const childBlock = this.workspace.newBlock('stack_block');
+            block.nextConnection.connect(childBlock.previousConnection);
+            block.nextConnection.setShadowDom(
+              Blockly.utils.xml.textToDom(
+                '<shadow type="stack_block" id="test"></shadow>',
+              ),
+            );
+            return block;
+          };
+        });
+
+        suite('With serialization', function () {
+          test('Child', function () {
+            const block = this.createNextWithChild();
+            const jso = Blockly.serialization.blocks.save(block);
+            chai.assert.deepInclude(jso['next'], {
+              'block': {'type': 'stack_block', 'id': 'id2'},
+            });
+          });
+
+          test('Shadow', function () {
+            const block = this.createNextWithShadow();
+            const jso = Blockly.serialization.blocks.save(block);
+            chai.assert.deepInclude(jso['next'], {
+              'shadow': {'type': 'stack_block', 'id': 'test'},
+            });
+          });
+
+          test('Overwritten shadow', function () {
+            const block = this.createNextWithShadowAndChild();
+            const jso = Blockly.serialization.blocks.save(block);
+            chai.assert.deepInclude(jso['next'], {
+              'block': {
+                'type': 'stack_block',
+                'id': 'id2',
+              },
+              'shadow': {
+                'type': 'stack_block',
+                'id': 'test',
+              },
+            });
+          });
+
+          test('Next block with inputs', function () {
+            const block = this.workspace.newBlock('stack_block');
+            const childBlock = this.workspace.newBlock('statement_block');
+            const grandChildBlock = this.workspace.newBlock('stack_block');
+            block.nextConnection.connect(childBlock.previousConnection);
+            childBlock
+              .getInput('NAME')
+              .connection.connect(grandChildBlock.previousConnection);
+            const jso = Blockly.serialization.blocks.save(block);
+            chai.assert.deepInclude(jso['next'], {
+              'block': {
+                'type': 'statement_block',
+                'id': 'id2',
+                'inputs': {
+                  'NAME': {
+                    'block': {
+                      'type': 'stack_block',
+                      'id': 'id4',
+                    },
+                  },
+                },
+              },
+            });
+          });
+        });
+
+        suite('Without serialization', function () {
+          test('Child', function () {
+            const block = this.createNextWithChild();
+            const jso = Blockly.serialization.blocks.save(block, {
+              addNextBlocks: false,
+            });
+            chai.assert.isUndefined(jso['next']);
+          });
+
+          test('Shadow', function () {
+            const block = this.createNextWithShadow();
+            const jso = Blockly.serialization.blocks.save(block, {
+              addNextBlocks: false,
+            });
+            chai.assert.isUndefined(jso['next']);
+          });
+
+          test('Overwritten shadow', function () {
+            const block = this.createNextWithShadowAndChild();
+            const jso = Blockly.serialization.blocks.save(block, {
+              addNextBlocks: false,
+            });
+            chai.assert.isUndefined(jso['next']);
+          });
+        });
+      });
+    });
+
+    suite('Do full serialization', function () {
+      suite('True', function () {
+        test('Single block', function () {
+          const block = this.workspace.newBlock('variables_get');
+          const jso = Blockly.serialization.blocks.save(block);
+          chai.assert.deepEqual(jso['fields']['VAR'], {
+            'id': 'id2',
+            'name': 'item',
+            'type': '',
+          });
+        });
+
+        test('Input block', function () {
+          const block = this.workspace.newBlock('row_block');
+          const childBlock = this.workspace.newBlock('variables_get');
+          block
+            .getInput('INPUT')
+            .connection.connect(childBlock.outputConnection);
+          const jso = Blockly.serialization.blocks.save(block);
+          chai.assert.deepEqual(
+            jso['inputs']['INPUT']['block']['fields']['VAR'],
+            {'id': 'id4', 'name': 'item', 'type': ''},
+          );
+        });
+
+        test('Next block', function () {
+          const block = this.workspace.newBlock('stack_block');
+          const childBlock = this.workspace.newBlock('variables_set');
+          block.nextConnection.connect(childBlock.previousConnection);
+          const jso = Blockly.serialization.blocks.save(block);
+          chai.assert.deepEqual(jso['next']['block']['fields']['VAR'], {
+            'id': 'id4',
+            'name': 'item',
+            'type': '',
+          });
+        });
+      });
+
+      suite('False', function () {
+        test('Single block', function () {
+          const block = this.workspace.newBlock('variables_get');
+          const jso = Blockly.serialization.blocks.save(block, {
+            doFullSerialization: false,
+          });
+          chai.assert.deepEqual(jso['fields']['VAR'], {'id': 'id2'});
+          chai.assert.isUndefined(jso['fields']['VAR']['name']);
+          chai.assert.isUndefined(jso['fields']['VAR']['type']);
+        });
+
+        test('Input block', function () {
+          const block = this.workspace.newBlock('row_block');
+          const childBlock = this.workspace.newBlock('variables_get');
+          block
+            .getInput('INPUT')
+            .connection.connect(childBlock.outputConnection);
+          const jso = Blockly.serialization.blocks.save(block, {
+            doFullSerialization: false,
+          });
+          chai.assert.deepEqual(
+            jso['inputs']['INPUT']['block']['fields']['VAR'],
+            {'id': 'id4'},
+          );
+          chai.assert.isUndefined(
+            jso['inputs']['INPUT']['block']['fields']['VAR']['name'],
+          );
+          chai.assert.isUndefined(
+            jso['inputs']['INPUT']['block']['fields']['VAR']['type'],
+          );
+        });
+
+        test('Next block', function () {
+          const block = this.workspace.newBlock('stack_block');
+          const childBlock = this.workspace.newBlock('variables_set');
+          block.nextConnection.connect(childBlock.previousConnection);
+          const jso = Blockly.serialization.blocks.save(block, {
+            doFullSerialization: false,
+          });
+          chai.assert.deepEqual(jso['next']['block']['fields']['VAR'], {
+            'id': 'id4',
+          });
+          chai.assert.isUndefined(
+            jso['next']['block']['fields']['VAR']['name'],
+          );
+          chai.assert.isUndefined(
+            jso['next']['block']['fields']['VAR']['type'],
+          );
+        });
+      });
+    });
+  });
+
+  suite('Variables', function () {
+    test('Without type', function () {
+      this.workspace.createVariable('testVar', '', 'testId');
+      const jso = Blockly.serialization.workspaces.save(this.workspace);
+      const variable = jso['variables'][0];
+      assertProperty(variable, 'name', 'testVar');
+      assertProperty(variable, 'id', 'testId');
+      assertNoProperty(variable, 'type');
+    });
+
+    test('With type', function () {
+      this.workspace.createVariable('testVar', 'testType', 'testId');
+      const jso = Blockly.serialization.workspaces.save(this.workspace);
+      const variable = jso['variables'][0];
+      assertProperty(variable, 'name', 'testVar');
+      assertProperty(variable, 'id', 'testId');
+      assertProperty(variable, 'type', 'testType');
+    });
+  });
+
+  suite('Procedures', function () {
+    setup(function () {
+      this.procedureMap = this.workspace.getProcedureMap();
+      this.serializer =
+        new Blockly.serialization.procedures.ProcedureSerializer(
+          MockProcedureModel,
+          MockParameterModel,
+        );
+    });
+
+    teardown(function () {
+      this.procedureMap = null;
+      this.serializer = null;
+    });
+
+    test('save is called on the procedure model', function () {
+      const proc = new MockProcedureModel();
+      this.workspace.getProcedureMap().set('test', proc);
+      const spy = this.sandbox.spy(proc, 'saveState');
+
+      this.serializer.save(this.workspace);
+
+      chai.assert.isTrue(
+        spy.calledOnce,
+        'Expected the saveState method to be called on the procedure model',
+      );
+    });
+
+    test('save is called on each parameter model', function () {
+      const proc = new MockProcedureModel();
+      const param1 = new MockParameterModel();
+      const param2 = new MockParameterModel();
+      proc.insertParameter(param1, 0);
+      proc.insertParameter(param2, 1);
+      this.workspace.getProcedureMap().set('test', proc);
+      const spy1 = this.sandbox.spy(param1, 'saveState');
+      const spy2 = this.sandbox.spy(param2, 'saveState');
+
+      this.serializer.save(this.workspace);
+
+      chai.assert.isTrue(
+        spy1.calledOnce,
+        'Expected the saveState method to be called on the first parameter model',
+      );
+      chai.assert.isTrue(
+        spy2.calledOnce,
+        'Expected the saveState method to be called on the first parameter model',
+      );
+    });
+  });
+
+  suite('Workspace comments', function () {
+    suite('IDs', function () {
+      test('IDs are saved by default', function () {
+        const comment = new Blockly.comments.WorkspaceComment(
+          this.workspace,
+          'testID',
+        );
+
+        const json = Blockly.serialization.workspaceComments.save(comment);
+
+        assertProperty(json, 'id', 'testID');
+      });
+
+      test('saving IDs can be disabled', function () {
+        const comment = new Blockly.comments.WorkspaceComment(
+          this.workspace,
+          'testID',
+        );
+
+        const json = Blockly.serialization.workspaceComments.save(comment, {
+          saveIds: false,
+        });
+
+        assertNoProperty(json, 'id');
+      });
+    });
+
+    suite('Coordinates', function () {
+      test('coordinates are not saved by default', function () {
+        const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+        comment.moveTo(new Blockly.utils.Coordinate(42, 1337));
+
+        const json = Blockly.serialization.workspaceComments.save(comment);
+
+        assertNoProperty(json, 'x');
+        assertNoProperty(json, 'y');
+      });
+
+      test('saving coordinates can be enabled', function () {
+        const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+        comment.moveTo(new Blockly.utils.Coordinate(42, 1337));
+
+        const json = Blockly.serialization.workspaceComments.save(comment, {
+          addCoordinates: true,
+        });
+
+        assertProperty(json, 'x', 42);
+        assertProperty(json, 'y', 1337);
+      });
+    });
+
+    suite('Text', function () {
+      test('the empty string is not saved', function () {
+        const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+        comment.setText('');
+
+        const json = Blockly.serialization.workspaceComments.save(comment);
+
+        assertNoProperty(json, 'text');
+      });
+
+      test('text is saved', function () {
+        const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+        comment.setText('test text');
+
+        const json = Blockly.serialization.workspaceComments.save(comment);
+
+        assertProperty(json, 'text', 'test text');
+      });
+    });
+
+    test('size is saved', function () {
+      const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+      comment.setSize(new Blockly.utils.Size(42, 1337));
+
+      const json = Blockly.serialization.workspaceComments.save(comment);
+
+      assertProperty(json, 'width', 42);
+      assertProperty(json, 'height', 1337);
+    });
+
+    suite('Collapsed', function () {
+      test('collapsed is not saved if false', function () {
+        const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+        comment.setCollapsed(false);
+
+        const json = Blockly.serialization.workspaceComments.save(comment);
+
+        assertNoProperty(json, 'collapsed');
+      });
+
+      test('collapsed is saved if true', function () {
+        const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+        comment.setCollapsed(true);
+
+        const json = Blockly.serialization.workspaceComments.save(comment);
+
+        assertProperty(json, 'collapsed', true);
+      });
+    });
+
+    suite('Editable', function () {
+      test('editable is not saved if true', function () {
+        const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+        comment.setEditable(true);
+
+        const json = Blockly.serialization.workspaceComments.save(comment);
+
+        assertNoProperty(json, 'editable');
+      });
+
+      test('editable is saved if false', function () {
+        const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+        comment.setEditable(false);
+
+        const json = Blockly.serialization.workspaceComments.save(comment);
+
+        assertProperty(json, 'editable', false);
+      });
+    });
+
+    suite('Movable', function () {
+      test('movable is not saved if true', function () {
+        const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+        comment.setMovable(true);
+
+        const json = Blockly.serialization.workspaceComments.save(comment);
+
+        assertNoProperty(json, 'movable');
+      });
+
+      test('movable is saved if false', function () {
+        const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+        comment.setMovable(false);
+
+        const json = Blockly.serialization.workspaceComments.save(comment);
+
+        assertProperty(json, 'movable', false);
+      });
+    });
+
+    suite('Deletable', function () {
+      test('deletable is not saved if true', function () {
+        const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+        comment.setDeletable(true);
+
+        const json = Blockly.serialization.workspaceComments.save(comment);
+
+        assertNoProperty(json, 'deletable');
+      });
+
+      test('deletable is saved if false', function () {
+        const comment = new Blockly.comments.WorkspaceComment(this.workspace);
+        comment.setDeletable(false);
+
+        const json = Blockly.serialization.workspaceComments.save(comment);
+
+        assertProperty(json, 'deletable', false);
+      });
+    });
+  });
+});
diff --git a/tests/mocha/json_test.js b/tests/mocha/json_test.js
index d787d72bd69..b5896e5faf4 100644
--- a/tests/mocha/json_test.js
+++ b/tests/mocha/json_test.js
@@ -4,25 +4,34 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('JSON Block Definitions', function() {
-  setup(function() {
+import {
+  addMessageToCleanup,
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {assertNoWarnings, assertWarnings} from './test_helpers/warnings.js';
+
+suite('JSON Block Definitions', function () {
+  setup(function () {
     sharedTestSetup.call(this);
     this.workspace_ = new Blockly.Workspace();
   });
 
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  suite('defineBlocksWithJsonArray', function() {
-    test('Basic block', function() {
+  suite('defineBlocksWithJsonArray', function () {
+    test('Basic block', function () {
       /**  Ensure a block can be instantiated from a JSON definition.  */
-      var BLOCK_TYPE = 'test_json_minimal';
-      var block;
+      const BLOCK_TYPE = 'test_json_minimal';
+      let block;
       assertNoWarnings(() => {
-        Blockly.defineBlocksWithJsonArray([{
-          "type": BLOCK_TYPE
-        }]);
+        Blockly.defineBlocksWithJsonArray([
+          {
+            'type': BLOCK_TYPE,
+          },
+        ]);
         block = new Blockly.Block(this.workspace_, BLOCK_TYPE);
       });
 
@@ -30,227 +39,251 @@ suite('JSON Block Definitions', function() {
       chai.assert.equal(BLOCK_TYPE, block.type);
     });
 
-    test('Null or undefined type id', function() {
-      var BLOCK_TYPE1 = 'test_json_before_bad_blocks';
-      var BLOCK_TYPE2 = 'test_json_after_bad_blocks';
+    test('Null or undefined type id', function () {
+      const BLOCK_TYPE1 = 'test_json_before_bad_blocks';
+      const BLOCK_TYPE2 = 'test_json_after_bad_blocks';
 
       chai.assert.isUndefined(Blockly.Blocks[BLOCK_TYPE1]);
       chai.assert.isUndefined(Blockly.Blocks[BLOCK_TYPE2]);
-      var blockTypeCount = Object.keys(Blockly.Blocks).length;
+      const blockTypeCount = Object.keys(Blockly.Blocks).length;
 
       assertWarnings(() => {
         Blockly.defineBlocksWithJsonArray([
-          {"type": BLOCK_TYPE1},
-          {"type": undefined},
-          {"type": null},
-          {"type": BLOCK_TYPE2}]);
+          {'type': BLOCK_TYPE1},
+          {'type': undefined},
+          {'type': null},
+          {'type': BLOCK_TYPE2},
+        ]);
       }, [/missing a type attribute/, /missing a type attribute/]);
-      chai.assert.isNotNull(Blockly.Blocks[BLOCK_TYPE1],
-          'Block before bad blocks should be defined.');
-      chai.assert.isNotNull(Blockly.Blocks[BLOCK_TYPE2],
-          'Block after bad blocks should be defined.');
+      chai.assert.isNotNull(
+        Blockly.Blocks[BLOCK_TYPE1],
+        'Block before bad blocks should be defined.',
+      );
+      chai.assert.isNotNull(
+        Blockly.Blocks[BLOCK_TYPE2],
+        'Block after bad blocks should be defined.',
+      );
       chai.assert.equal(Object.keys(Blockly.Blocks).length, blockTypeCount + 2);
     });
 
-    test('Null item', function() {
-      var BLOCK_TYPE1 = 'test_block_before_null';
-      var BLOCK_TYPE2 = 'test_block_after_null';
+    test('Null item', function () {
+      const BLOCK_TYPE1 = 'test_block_before_null';
+      const BLOCK_TYPE2 = 'test_block_after_null';
 
       chai.assert.isUndefined(Blockly.Blocks[BLOCK_TYPE1]);
       chai.assert.isUndefined(Blockly.Blocks[BLOCK_TYPE2]);
-      var blockTypeCount = Object.keys(Blockly.Blocks).length;
+      const blockTypeCount = Object.keys(Blockly.Blocks).length;
 
       assertWarnings(() => {
         Blockly.defineBlocksWithJsonArray([
           {
-            "type": BLOCK_TYPE1,
-            "message0": 'before'
+            'type': BLOCK_TYPE1,
+            'message0': 'before',
           },
           null,
           {
-            "type": BLOCK_TYPE2,
-            "message0": 'after'
-          }]);
+            'type': BLOCK_TYPE2,
+            'message0': 'after',
+          },
+        ]);
       }, /is null/);
-      chai.assert.isNotNull(Blockly.Blocks[BLOCK_TYPE1],
-          'Block before null in array should be defined.');
-      chai.assert.isNotNull(Blockly.Blocks[BLOCK_TYPE2],
-          'Block after null in array should be defined.');
+      chai.assert.isNotNull(
+        Blockly.Blocks[BLOCK_TYPE1],
+        'Block before null in array should be defined.',
+      );
+      chai.assert.isNotNull(
+        Blockly.Blocks[BLOCK_TYPE2],
+        'Block after null in array should be defined.',
+      );
       chai.assert.equal(Object.keys(Blockly.Blocks).length, blockTypeCount + 2);
     });
 
-    test('Undefined item', function() {
-      var BLOCK_TYPE1 = 'test_block_before_undefined';
-      var BLOCK_TYPE2 = 'test_block_after_undefined';
+    test('Undefined item', function () {
+      const BLOCK_TYPE1 = 'test_block_before_undefined';
+      const BLOCK_TYPE2 = 'test_block_after_undefined';
 
       chai.assert.isUndefined(Blockly.Blocks[BLOCK_TYPE1]);
       chai.assert.isUndefined(Blockly.Blocks[BLOCK_TYPE2]);
-      var blockTypeCount = Object.keys(Blockly.Blocks).length;
+      const blockTypeCount = Object.keys(Blockly.Blocks).length;
       assertWarnings(() => {
         Blockly.defineBlocksWithJsonArray([
           {
-            "type": BLOCK_TYPE1,
-            "message0": 'before'
+            'type': BLOCK_TYPE1,
+            'message0': 'before',
           },
           undefined,
           {
-            "type": BLOCK_TYPE2,
-            "message0": 'after'
-          }]);
+            'type': BLOCK_TYPE2,
+            'message0': 'after',
+          },
+        ]);
       }, /is undefined/);
-      chai.assert.isNotNull(Blockly.Blocks[BLOCK_TYPE1],
-          'Block before undefined in array should be defined.');
-      chai.assert.isNotNull(Blockly.Blocks[BLOCK_TYPE2],
-          'Block after undefined in array should be defined.');
+      chai.assert.isNotNull(
+        Blockly.Blocks[BLOCK_TYPE1],
+        'Block before undefined in array should be defined.',
+      );
+      chai.assert.isNotNull(
+        Blockly.Blocks[BLOCK_TYPE2],
+        'Block after undefined in array should be defined.',
+      );
       chai.assert.equal(Object.keys(Blockly.Blocks).length, blockTypeCount + 2);
     });
 
-    test('message0 creates input', function() {
-      var BLOCK_TYPE = 'test_json_message0';
-      var MESSAGE0 = 'message0';
-      Blockly.defineBlocksWithJsonArray([{
-        "type": BLOCK_TYPE,
-        "message0": MESSAGE0
-      }]);
-
-      var block = new Blockly.Block(this.workspace_, BLOCK_TYPE);
+    test('message0 creates input', function () {
+      const BLOCK_TYPE = 'test_json_message0';
+      const MESSAGE0 = 'message0';
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': BLOCK_TYPE,
+          'message0': MESSAGE0,
+        },
+      ]);
+
+      const block = new Blockly.Block(this.workspace_, BLOCK_TYPE);
       chai.assert.equal(block.inputList.length, 1);
       chai.assert.equal(block.inputList[0].fieldRow.length, 1);
-      var textField = block.inputList[0].fieldRow[0];
+      const textField = block.inputList[0].fieldRow[0];
       chai.assert.equal(Blockly.FieldLabel, textField.constructor);
       chai.assert.equal(MESSAGE0, textField.getText());
     });
 
-    test('message1 and message0 creates two inputs', function() {
+    test('message1 and message0 creates two inputs', function () {
       /**  Ensure message1 creates a new input.  */
-      var BLOCK_TYPE = 'test_json_message1';
-      var MESSAGE0 = 'message0';
-      var MESSAGE1 = 'message1';
-      Blockly.defineBlocksWithJsonArray([{
-        "type": BLOCK_TYPE,
-        "message0": MESSAGE0,
-        "message1": MESSAGE1
-      }]);
-
-      var block = new Blockly.Block(this.workspace_, BLOCK_TYPE);
+      const BLOCK_TYPE = 'test_json_message1';
+      const MESSAGE0 = 'message0';
+      const MESSAGE1 = 'message1';
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': BLOCK_TYPE,
+          'message0': MESSAGE0,
+          'message1': MESSAGE1,
+        },
+      ]);
+
+      const block = new Blockly.Block(this.workspace_, BLOCK_TYPE);
       chai.assert.equal(block.inputList.length, 2);
 
       chai.assert.equal(block.inputList[0].fieldRow.length, 1);
-      var textField = block.inputList[0].fieldRow[0];
-      chai.assert.equal(Blockly.FieldLabel, textField.constructor);
-      chai.assert.equal(MESSAGE0, textField.getText());
+      const firstTextField = block.inputList[0].fieldRow[0];
+      chai.assert.equal(Blockly.FieldLabel, firstTextField.constructor);
+      chai.assert.equal(MESSAGE0, firstTextField.getText());
 
       chai.assert.equal(block.inputList[1].fieldRow.length, 1);
-      var textField = block.inputList[1].fieldRow[0];
-      chai.assert.equal(Blockly.FieldLabel, textField.constructor);
-      chai.assert.equal(MESSAGE1, textField.getText());
+      const secondTextField = block.inputList[1].fieldRow[0];
+      chai.assert.equal(Blockly.FieldLabel, secondTextField.constructor);
+      chai.assert.equal(MESSAGE1, secondTextField.getText());
     });
 
-    test('Message string is dereferenced', function() {
-      var BLOCK_TYPE = 'test_json_message0_i18n';
-      var MESSAGE0 = '%{BKY_MESSAGE}';
-      var MESSAGE = 'message';
+    test('Message string is dereferenced', function () {
+      const BLOCK_TYPE = 'test_json_message0_i18n';
+      const MESSAGE0 = '%{BKY_MESSAGE}';
+      const MESSAGE = 'message';
 
       addMessageToCleanup(this.sharedCleanup, 'MESSAGE');
       Blockly.Msg['MESSAGE'] = MESSAGE;
-      Blockly.defineBlocksWithJsonArray([{
-        "type": BLOCK_TYPE,
-        "message0": MESSAGE0
-      }]);
-
-      var block = new Blockly.Block(this.workspace_, BLOCK_TYPE);
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': BLOCK_TYPE,
+          'message0': MESSAGE0,
+        },
+      ]);
+
+      const block = new Blockly.Block(this.workspace_, BLOCK_TYPE);
       chai.assert.equal(block.inputList.length, 1);
       chai.assert.equal(block.inputList[0].fieldRow.length, 1);
-      var textField = block.inputList[0].fieldRow[0];
+      const textField = block.inputList[0].fieldRow[0];
       chai.assert.equal(Blockly.FieldLabel, textField.constructor);
       chai.assert.equal(MESSAGE, textField.getText());
     });
 
-    test('Dropdown', function() {
-      var BLOCK_TYPE = 'test_json_dropdown';
-      var FIELD_NAME = 'FIELD_NAME';
-      var LABEL0 = 'LABEL0';
-      var VALUE0 = 'VALUE0';
-      var LABEL1 = 'LABEL1';
-      var VALUE1 = 'VALUE1';
-      Blockly.defineBlocksWithJsonArray([{
-        "type": BLOCK_TYPE,
-        "message0": "%1",
-        "args0": [
-          {
-            "type": "field_dropdown",
-            "name": FIELD_NAME,
-            "options": [
-              [LABEL0, VALUE0],
-              [LABEL1, VALUE1]
-            ]
-          }
-        ]
-      }]);
-
-      var block = new Blockly.Block(this.workspace_, BLOCK_TYPE);
+    test('Dropdown', function () {
+      const BLOCK_TYPE = 'test_json_dropdown';
+      const FIELD_NAME = 'FIELD_NAME';
+      const LABEL0 = 'LABEL0';
+      const VALUE0 = 'VALUE0';
+      const LABEL1 = 'LABEL1';
+      const VALUE1 = 'VALUE1';
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': BLOCK_TYPE,
+          'message0': '%1',
+          'args0': [
+            {
+              'type': 'field_dropdown',
+              'name': FIELD_NAME,
+              'options': [
+                [LABEL0, VALUE0],
+                [LABEL1, VALUE1],
+              ],
+            },
+          ],
+        },
+      ]);
+
+      const block = new Blockly.Block(this.workspace_, BLOCK_TYPE);
       chai.assert.equal(block.inputList.length, 1);
       chai.assert.equal(block.inputList[0].fieldRow.length, 1);
-      var dropdown = block.inputList[0].fieldRow[0];
+      const dropdown = block.inputList[0].fieldRow[0];
       chai.assert.equal(dropdown, block.getField(FIELD_NAME));
       chai.assert.equal(Blockly.FieldDropdown, dropdown.constructor);
       chai.assert.equal(VALUE0, dropdown.getValue());
 
-      var options = dropdown.getOptions();
+      const options = dropdown.getOptions();
       chai.assert.equal(LABEL0, options[0][0]);
       chai.assert.equal(VALUE0, options[0][1]);
       chai.assert.equal(LABEL1, options[1][0]);
       chai.assert.equal(VALUE1, options[1][1]);
     });
 
-
-    test('Dropdown with images', function() {
-      var BLOCK_TYPE = 'test_json_dropdown';
-      var FIELD_NAME = 'FIELD_NAME';
-      var IMAGE1_ALT_TEXT = 'Localized message.';
+    test('Dropdown with images', function () {
+      const BLOCK_TYPE = 'test_json_dropdown';
+      const FIELD_NAME = 'FIELD_NAME';
+      const IMAGE1_ALT_TEXT = 'Localized message.';
       addMessageToCleanup(this.sharedCleanup, 'ALT_TEXT');
       Blockly.Msg['ALT_TEXT'] = IMAGE1_ALT_TEXT;
-      var IMAGE0 = {
+      const IMAGE0 = {
         'width': 12,
         'height': 34,
         'src': 'http://image0.src',
-        'alt': 'IMAGE0 alt text'
+        'alt': 'IMAGE0 alt text',
       };
-      var VALUE0 = 'VALUE0';
-      var IMAGE1 = {
+      const VALUE0 = 'VALUE0';
+      const IMAGE1 = {
         'width': 56,
         'height': 78,
         'src': 'http://image1.src',
-        'alt': '%{BKY_ALT_TEXT}'
+        'alt': '%{BKY_ALT_TEXT}',
       };
-      var VALUE1 = 'VALUE1';
-      var IMAGE2 = {
+      const VALUE1 = 'VALUE1';
+      const IMAGE2 = {
         'width': 90,
         'height': 123,
-        'src': 'http://image2.src'
+        'src': 'http://image2.src',
       };
-      var VALUE2 = 'VALUE2';
-
-      Blockly.defineBlocksWithJsonArray([{
-        "type": BLOCK_TYPE,
-        "message0": "%1",
-        "args0": [
-          {
-            "type": "field_dropdown",
-            "name": FIELD_NAME,
-            "options": [
-              [IMAGE0, VALUE0],
-              [IMAGE1, VALUE1],
-              [IMAGE2, VALUE2]
-            ]
-          }
-        ]
-      }]);
-
-      var block = new Blockly.Block(this.workspace_, BLOCK_TYPE);
+      const VALUE2 = 'VALUE2';
+
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': BLOCK_TYPE,
+          'message0': '%1',
+          'args0': [
+            {
+              'type': 'field_dropdown',
+              'name': FIELD_NAME,
+              'options': [
+                [IMAGE0, VALUE0],
+                [IMAGE1, VALUE1],
+                [IMAGE2, VALUE2],
+              ],
+            },
+          ],
+        },
+      ]);
+
+      const block = new Blockly.Block(this.workspace_, BLOCK_TYPE);
       chai.assert.equal(block.inputList.length, 1);
       chai.assert.equal(block.inputList[0].fieldRow.length, 1);
-      var dropdown = block.inputList[0].fieldRow[0];
+      const dropdown = block.inputList[0].fieldRow[0];
       chai.assert.equal(dropdown, block.getField(FIELD_NAME));
       chai.assert.equal(Blockly.FieldDropdown, dropdown.constructor);
       chai.assert.equal(VALUE0, dropdown.getValue());
@@ -261,20 +294,20 @@ suite('JSON Block Definitions', function() {
         chai.assert.equal(actualImage.src, expectedImage.src);
       }
 
-      var options = dropdown.getOptions();
-      var image0 = options[0][0];
+      const options = dropdown.getOptions();
+      const image0 = options[0][0];
       assertImageEquals(IMAGE0, image0);
       chai.assert.equal(IMAGE0.alt, image0.alt);
       chai.assert.equal(options[0][1], VALUE0);
 
-      var image1 = options[1][0];
+      const image1 = options[1][0];
       assertImageEquals(IMAGE1, image1);
-      chai.assert.equal(IMAGE1.alt, IMAGE1_ALT_TEXT);  // Via Msg reference
+      chai.assert.equal(image1.alt, IMAGE1_ALT_TEXT); // Via Msg reference
       chai.assert.equal(VALUE1, options[1][1]);
 
-      var image2 = options[2][0];
+      const image2 = options[2][0];
       assertImageEquals(IMAGE1, image1);
-      chai.assert.notExists(image2.alt);  // No alt specified.
+      chai.assert.notExists(image2.alt); // No alt specified.
       chai.assert.equal(VALUE2, options[2][1]);
     });
   });
diff --git a/tests/mocha/key_map_test.js b/tests/mocha/key_map_test.js
deleted file mode 100644
index 301a2a28b9c..00000000000
--- a/tests/mocha/key_map_test.js
+++ /dev/null
@@ -1,97 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-suite('Key Map Tests', function() {
-  setup(function() {
-    sharedTestSetup.call(this);
-    Blockly.user.keyMap.setKeyMap(Blockly.user.keyMap.createDefaultKeyMap());
-  });
-  teardown(function() {
-    sharedTestTeardown.call(this);
-  });
-
-  test('Test adding a new action to key map', function() {
-    var newAction = new Blockly.Action('test_action', 'test', function(){
-      return "test";
-    });
-    Blockly.user.keyMap.setActionForKey('65', newAction);
-    chai.assert.equal(Blockly.user.keyMap.map_['65'].name, 'test_action');
-  });
-
-  test('Test giving an old action a new key', function() {
-    Blockly.user.keyMap.setActionForKey(Blockly.utils.KeyCodes.F,
-        Blockly.navigation.ACTION_PREVIOUS);
-    chai.assert.isUndefined(Blockly.user.keyMap.map_[Blockly.utils.KeyCodes.W]);
-    chai.assert.equal(Blockly.user.keyMap.map_[Blockly.utils.KeyCodes.F],
-        Blockly.navigation.ACTION_PREVIOUS);
-  });
-
-  test('Test get key by action defined', function() {
-    var key = Blockly.user.keyMap.getKeyByAction(Blockly.navigation.ACTION_PREVIOUS);
-    chai.assert.equal(key, Blockly.utils.KeyCodes.W);
-  });
-
-  test('Test get key by action not defined', function() {
-    var key = Blockly.user.keyMap.getKeyByAction(new Blockly.Action('something'));
-    chai.assert.notExists(key);
-  });
-
-  test('Test set key map', function() {
-    var testKeyMap = Blockly.user.keyMap.createDefaultKeyMap();
-    testKeyMap['randomKey'] = new Blockly.Action('test','',null);
-    Blockly.user.keyMap.setKeyMap(testKeyMap);
-    chai.assert.equal(Blockly.user.keyMap.map_['randomKey'].name, 'test');
-  });
-
-  test('Test get key map returns a clone', function() {
-    var keyMap = Blockly.user.keyMap.getKeyMap();
-    keyMap['randomKey'] = new Blockly.Action('test', '', null);
-    chai.assert.isUndefined(Blockly.user.keyMap.map_['randomKey']);
-  });
-
-  test('Test serialize key code with modifiers', function() {
-    var mockEvent = {
-      getModifierState: function(){
-        return true;
-      },
-      keyCode: 65
-    };
-    var serializedKey = Blockly.user.keyMap.serializeKeyEvent(mockEvent);
-    chai.assert.equal(serializedKey, 'ShiftControlAltMeta65');
-  });
-
-  test('Test serialize key code without modifiers', function() {
-    var mockEvent = {
-      getModifierState: function(){
-        return false;
-      },
-      keyCode: 65
-    };
-    var serializedKey = Blockly.user.keyMap.serializeKeyEvent(mockEvent);
-    chai.assert.equal(serializedKey, '65');
-  });
-
-  test('Test modifiers in reverse order', function() {
-    var testKey = Blockly.user.keyMap.createSerializedKey(
-        Blockly.utils.KeyCodes.K, [Blockly.user.keyMap.modifierKeys.CONTROL,
-          Blockly.user.keyMap.modifierKeys.SHIFT]);
-    Blockly.user.keyMap.setActionForKey(testKey, new Blockly.Action('test', '', null));
-    var action = Blockly.user.keyMap.getActionByKeyCode('ShiftControl75');
-    chai.assert.isNotNull(action);
-    chai.assert.equal(action.name, 'test');
-  });
-
-  test('Test report invalid modifiers', function() {
-    var shouldThrow = function() {
-      Blockly.user.keyMap.createSerializedKey(Blockly.utils.KeyCodes.K, ['s',
-        Blockly.user.keyMap.modifierKeys.SHIFT]);
-    };
-    chai.assert.throws(shouldThrow, Error, 's is not a valid modifier key.');
-  });
-
-
-  teardown(function() {});
-});
diff --git a/tests/mocha/keydown_test.js b/tests/mocha/keydown_test.js
new file mode 100644
index 00000000000..0483d72c13e
--- /dev/null
+++ b/tests/mocha/keydown_test.js
@@ -0,0 +1,363 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as Blockly from '../../build/src/core/blockly.js';
+import {createKeyDownEvent} from './test_helpers/user_input.js';
+import {defineStackBlock} from './test_helpers/block_definitions.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Key Down', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = Blockly.inject('blocklyDiv', {});
+  });
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  /**
+   * Creates a block and sets it as Blockly.selected.
+   * @param {Blockly.Workspace} workspace The workspace to create a new block on.
+   * @return {Blockly.Block} The block being selected.
+   */
+  function setSelectedBlock(workspace) {
+    defineStackBlock();
+    const block = workspace.newBlock('stack_block');
+    Blockly.common.setSelected(block);
+    return block;
+  }
+
+  /**
+   * Creates a test for not running keyDown events when the workspace is in read only mode.
+   * @param {Object} keyEvent Mocked key down event. Use createKeyDownEvent.
+   * @param {string=} opt_name An optional name for the test case.
+   */
+  function runReadOnlyTest(keyEvent, opt_name) {
+    const name = opt_name ? opt_name : 'Not called when readOnly is true';
+    test(name, function () {
+      this.workspace.options.readOnly = true;
+      document.dispatchEvent(keyEvent);
+      sinon.assert.notCalled(this.hideChaffSpy);
+    });
+  }
+
+  suite('Escape', function () {
+    setup(function () {
+      this.event = createKeyDownEvent(Blockly.utils.KeyCodes.ESC);
+      this.hideChaffSpy = sinon.spy(
+        Blockly.WorkspaceSvg.prototype,
+        'hideChaff',
+      );
+    });
+    test('Simple', function () {
+      document.dispatchEvent(this.event);
+      sinon.assert.calledOnce(this.hideChaffSpy);
+    });
+    runReadOnlyTest(createKeyDownEvent(Blockly.utils.KeyCodes.ESC));
+    test('Not called when focus is on an HTML input', function () {
+      const event = createKeyDownEvent(Blockly.utils.KeyCodes.ESC);
+      const input = document.createElement('textarea');
+      input.dispatchEvent(event);
+      sinon.assert.notCalled(this.hideChaffSpy);
+    });
+    test('Not called on hidden workspaces', function () {
+      this.workspace.isVisible_ = false;
+      document.dispatchEvent(this.event);
+      sinon.assert.notCalled(this.hideChaffSpy);
+    });
+  });
+
+  suite('Delete Block', function () {
+    setup(function () {
+      this.hideChaffSpy = sinon.spy(
+        Blockly.WorkspaceSvg.prototype,
+        'hideChaff',
+      );
+      setSelectedBlock(this.workspace);
+      this.deleteSpy = sinon.spy(Blockly.common.getSelected(), 'dispose');
+    });
+    const testCases = [
+      ['Delete', createKeyDownEvent(Blockly.utils.KeyCodes.DELETE)],
+      ['Backspace', createKeyDownEvent(Blockly.utils.KeyCodes.BACKSPACE)],
+    ];
+    // Delete a block.
+    suite('Simple', function () {
+      testCases.forEach(function (testCase) {
+        const testCaseName = testCase[0];
+        const keyEvent = testCase[1];
+        test(testCaseName, function () {
+          document.dispatchEvent(keyEvent);
+          sinon.assert.calledOnce(this.hideChaffSpy);
+          sinon.assert.calledOnce(this.deleteSpy);
+        });
+      });
+    });
+    // Do not delete a block if workspace is in readOnly mode.
+    suite('Not called when readOnly is true', function () {
+      testCases.forEach(function (testCase) {
+        const testCaseName = testCase[0];
+        const keyEvent = testCase[1];
+        runReadOnlyTest(keyEvent, testCaseName);
+      });
+    });
+  });
+
+  suite('Copy', function () {
+    setup(function () {
+      this.block = setSelectedBlock(this.workspace);
+      this.copySpy = sinon.spy(this.block, 'toCopyData');
+      this.hideChaffSpy = sinon.spy(
+        Blockly.WorkspaceSvg.prototype,
+        'hideChaff',
+      );
+    });
+    const testCases = [
+      [
+        'Control C',
+        createKeyDownEvent(Blockly.utils.KeyCodes.C, [
+          Blockly.utils.KeyCodes.CTRL,
+        ]),
+      ],
+      [
+        'Meta C',
+        createKeyDownEvent(Blockly.utils.KeyCodes.C, [
+          Blockly.utils.KeyCodes.META,
+        ]),
+      ],
+      [
+        'Alt C',
+        createKeyDownEvent(Blockly.utils.KeyCodes.C, [
+          Blockly.utils.KeyCodes.ALT,
+        ]),
+      ],
+    ];
+    // Copy a block.
+    suite('Simple', function () {
+      testCases.forEach(function (testCase) {
+        const testCaseName = testCase[0];
+        const keyEvent = testCase[1];
+        test(testCaseName, function () {
+          document.dispatchEvent(keyEvent);
+          sinon.assert.calledOnce(this.copySpy);
+          sinon.assert.calledOnce(this.hideChaffSpy);
+        });
+      });
+    });
+    // Do not copy a block if a workspace is in readonly mode.
+    suite('Not called when readOnly is true', function () {
+      testCases.forEach(function (testCase) {
+        const testCaseName = testCase[0];
+        const keyEvent = testCase[1];
+        runReadOnlyTest(keyEvent, testCaseName);
+      });
+    });
+    // Do not copy a block if a gesture is in progress.
+    suite('Gesture in progress', function () {
+      testCases.forEach(function (testCase) {
+        const testCaseName = testCase[0];
+        const keyEvent = testCase[1];
+        test(testCaseName, function () {
+          sinon.stub(Blockly.Gesture, 'inProgress').returns(true);
+          document.dispatchEvent(keyEvent);
+          sinon.assert.notCalled(this.copySpy);
+          sinon.assert.notCalled(this.hideChaffSpy);
+        });
+      });
+    });
+    // Do not copy a block if is is not deletable.
+    suite('Block is not deletable', function () {
+      testCases.forEach(function (testCase) {
+        const testCaseName = testCase[0];
+        const keyEvent = testCase[1];
+        test(testCaseName, function () {
+          sinon
+            .stub(Blockly.common.getSelected(), 'isDeletable')
+            .returns(false);
+          document.dispatchEvent(keyEvent);
+          sinon.assert.notCalled(this.copySpy);
+          sinon.assert.notCalled(this.hideChaffSpy);
+        });
+      });
+    });
+    // Do not copy a block if it is not movable.
+    suite('Block is not movable', function () {
+      testCases.forEach(function (testCase) {
+        const testCaseName = testCase[0];
+        const keyEvent = testCase[1];
+        test(testCaseName, function () {
+          sinon.stub(Blockly.common.getSelected(), 'isMovable').returns(false);
+          document.dispatchEvent(keyEvent);
+          sinon.assert.notCalled(this.copySpy);
+          sinon.assert.notCalled(this.hideChaffSpy);
+        });
+      });
+    });
+  });
+
+  suite('Undo', function () {
+    setup(function () {
+      this.undoSpy = sinon.spy(this.workspace, 'undo');
+      this.hideChaffSpy = sinon.spy(
+        Blockly.WorkspaceSvg.prototype,
+        'hideChaff',
+      );
+    });
+    const testCases = [
+      [
+        'Control Z',
+        createKeyDownEvent(Blockly.utils.KeyCodes.Z, [
+          Blockly.utils.KeyCodes.CTRL,
+        ]),
+      ],
+      [
+        'Meta Z',
+        createKeyDownEvent(Blockly.utils.KeyCodes.Z, [
+          Blockly.utils.KeyCodes.META,
+        ]),
+      ],
+      [
+        'Alt Z',
+        createKeyDownEvent(Blockly.utils.KeyCodes.Z, [
+          Blockly.utils.KeyCodes.ALT,
+        ]),
+      ],
+    ];
+    // Undo.
+    suite('Simple', function () {
+      testCases.forEach(function (testCase) {
+        const testCaseName = testCase[0];
+        const keyEvent = testCase[1];
+        test(testCaseName, function () {
+          document.dispatchEvent(keyEvent);
+          sinon.assert.calledOnce(this.undoSpy);
+          sinon.assert.calledWith(this.undoSpy, false);
+          sinon.assert.calledOnce(this.hideChaffSpy);
+        });
+      });
+    });
+    // Do not undo if a gesture is in progress.
+    suite('Gesture in progress', function () {
+      testCases.forEach(function (testCase) {
+        const testCaseName = testCase[0];
+        const keyEvent = testCase[1];
+        test(testCaseName, function () {
+          sinon.stub(Blockly.Gesture, 'inProgress').returns(true);
+          document.dispatchEvent(keyEvent);
+          sinon.assert.notCalled(this.undoSpy);
+          sinon.assert.notCalled(this.hideChaffSpy);
+        });
+      });
+    });
+    // Do not undo if the workspace is in readOnly mode.
+    suite('Not called when readOnly is true', function () {
+      testCases.forEach(function (testCase) {
+        const testCaseName = testCase[0];
+        const keyEvent = testCase[1];
+        runReadOnlyTest(keyEvent, testCaseName);
+      });
+    });
+  });
+
+  suite('Redo', function () {
+    setup(function () {
+      this.redoSpy = sinon.spy(this.workspace, 'undo');
+      this.hideChaffSpy = sinon.spy(
+        Blockly.WorkspaceSvg.prototype,
+        'hideChaff',
+      );
+    });
+    const testCases = [
+      [
+        'Control Shift Z',
+        createKeyDownEvent(Blockly.utils.KeyCodes.Z, [
+          Blockly.utils.KeyCodes.CTRL,
+          Blockly.utils.KeyCodes.SHIFT,
+        ]),
+      ],
+      [
+        'Meta Shift Z',
+        createKeyDownEvent(Blockly.utils.KeyCodes.Z, [
+          Blockly.utils.KeyCodes.META,
+          Blockly.utils.KeyCodes.SHIFT,
+        ]),
+      ],
+      [
+        'Alt Shift Z',
+        createKeyDownEvent(Blockly.utils.KeyCodes.Z, [
+          Blockly.utils.KeyCodes.ALT,
+          Blockly.utils.KeyCodes.SHIFT,
+        ]),
+      ],
+    ];
+    // Undo.
+    suite('Simple', function () {
+      testCases.forEach(function (testCase) {
+        const testCaseName = testCase[0];
+        const keyEvent = testCase[1];
+        test(testCaseName, function () {
+          document.dispatchEvent(keyEvent);
+          sinon.assert.calledOnce(this.redoSpy);
+          sinon.assert.calledWith(this.redoSpy, true);
+          sinon.assert.calledOnce(this.hideChaffSpy);
+        });
+      });
+    });
+    // Do not undo if a gesture is in progress.
+    suite('Gesture in progress', function () {
+      testCases.forEach(function (testCase) {
+        const testCaseName = testCase[0];
+        const keyEvent = testCase[1];
+        test(testCaseName, function () {
+          sinon.stub(Blockly.Gesture, 'inProgress').returns(true);
+          document.dispatchEvent(keyEvent);
+          sinon.assert.notCalled(this.redoSpy);
+          sinon.assert.notCalled(this.hideChaffSpy);
+        });
+      });
+    });
+    // Do not undo if the workspace is in readOnly mode.
+    suite('Not called when readOnly is true', function () {
+      testCases.forEach(function (testCase) {
+        const testCaseName = testCase[0];
+        const keyEvent = testCase[1];
+        runReadOnlyTest(keyEvent, testCaseName);
+      });
+    });
+  });
+
+  suite('UndoWindows', function () {
+    setup(function () {
+      this.ctrlYEvent = createKeyDownEvent(Blockly.utils.KeyCodes.Y, [
+        Blockly.utils.KeyCodes.CTRL,
+      ]);
+      this.undoSpy = sinon.spy(this.workspace, 'undo');
+      this.hideChaffSpy = sinon.spy(
+        Blockly.WorkspaceSvg.prototype,
+        'hideChaff',
+      );
+    });
+    test('Simple', function () {
+      document.dispatchEvent(this.ctrlYEvent);
+      sinon.assert.calledOnce(this.undoSpy);
+      sinon.assert.calledWith(this.undoSpy, true);
+      sinon.assert.calledOnce(this.hideChaffSpy);
+    });
+    test('Not called when a gesture is in progress', function () {
+      sinon.stub(Blockly.Gesture, 'inProgress').returns(true);
+      document.dispatchEvent(this.ctrlYEvent);
+      sinon.assert.notCalled(this.undoSpy);
+      sinon.assert.notCalled(this.hideChaffSpy);
+    });
+    runReadOnlyTest(
+      createKeyDownEvent(Blockly.utils.KeyCodes.Y, [
+        Blockly.utils.KeyCodes.CTRL,
+      ]),
+    );
+  });
+});
diff --git a/tests/mocha/layering_test.js b/tests/mocha/layering_test.js
new file mode 100644
index 00000000000..a25f8937496
--- /dev/null
+++ b/tests/mocha/layering_test.js
@@ -0,0 +1,94 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Layering', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = Blockly.inject('blocklyDiv', {});
+    this.layerManager = this.workspace.getLayerManager();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  function createRenderedElement() {
+    const g = Blockly.utils.dom.createSvgElement('g', {});
+    return {
+      getSvgRoot: () => g,
+    };
+  }
+
+  suite('appending layers', function () {
+    test('layer is not appended if it already exists', function () {
+      const elem1 = createRenderedElement();
+      const elem2 = createRenderedElement();
+      this.layerManager.append(elem1, 999);
+
+      const layerCount = this.layerManager.layers.size;
+      this.layerManager.append(elem2, 999);
+
+      chai.assert.equal(
+        this.layerManager.layers.size,
+        layerCount,
+        'Expected the element to be appended to the existing layer',
+      );
+    });
+
+    test('more positive layers are appended after less positive layers', function () {
+      // Checks that if the element comes after all elements, its still gets
+      // appended.
+
+      const elem1 = createRenderedElement();
+      const elem2 = createRenderedElement();
+
+      this.layerManager.append(elem1, 1000);
+      this.layerManager.append(elem2, 1010);
+
+      const layer1000 = this.layerManager.layers.get(1000);
+      const layer1010 = this.layerManager.layers.get(1010);
+      chai.assert.equal(
+        layer1000.nextSibling,
+        layer1010,
+        'Expected layer 1000 to be direclty before layer 1010',
+      );
+    });
+
+    test('less positive layers are appended before more positive layers', function () {
+      const elem1 = createRenderedElement();
+      const elem2 = createRenderedElement();
+
+      this.layerManager.append(elem1, 1010);
+      this.layerManager.append(elem2, 1000);
+
+      const layer1010 = this.layerManager.layers.get(1010);
+      const layer1000 = this.layerManager.layers.get(1000);
+      chai.assert.equal(
+        layer1000.nextSibling,
+        layer1010,
+        'Expected layer 1000 to be direclty before layer 1010',
+      );
+    });
+  });
+
+  suite('dragging', function () {
+    test('moving an element to the drag layer adds it to the drag group', function () {
+      const elem = createRenderedElement();
+
+      this.layerManager.moveToDragLayer(elem);
+
+      chai.assert.equal(
+        this.layerManager.dragLayer.firstChild,
+        elem.getSvgRoot(),
+        'Expected the element to be the first element in the drag layer.',
+      );
+    });
+  });
+});
diff --git a/tests/mocha/logic_ternary_test.js b/tests/mocha/logic_ternary_test.js
deleted file mode 100644
index cba99310969..00000000000
--- a/tests/mocha/logic_ternary_test.js
+++ /dev/null
@@ -1,195 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-suite('Logic ternary', function() {
-  setup(function() {
-    sharedTestSetup.call(this);
-    this.workspace = new Blockly.Workspace();
-    this.block = this.workspace.newBlock('logic_ternary');
-  });
-
-  teardown(function() {
-    sharedTestTeardown.call(this);
-  });
-
-  test('Structure', function() {
-    chai.assert.exists(this.block.inputList, 'Has inputList');
-    chai.assert.equal(this.block.inputList.length, 3);
-    chai.assert.equal(this.block.getInput('IF').connection.check_.length, 1);
-    chai.assert.equal(this.block.getInput('IF').connection.check_[0], 'Boolean');
-    chai.assert.exists(this.block.onchangeWrapper_, 'Has onchange handler');
-  });
-
-  function connectParentAndCheckConnections(
-      block, parent, parentInputName, opt_thenInput, opt_elseInput) {
-    parent.getInput(parentInputName).connection.connect(block.outputConnection);
-    Blockly.Events.fireNow_();  // Force synchronous onchange() call.
-    chai.assert.equal(block.getParent(), parent,
-        'Successful connection to parent');
-    if (opt_thenInput) {
-      chai.assert.equal(opt_thenInput.getParent(), block,
-          'Input THEN still connected after connecting parent');
-    }
-    if (opt_elseInput) {
-      chai.assert.equal(opt_elseInput.getParent(), block,
-          'Input ELSE still connected after connecting parent');
-    }
-  }
-  function connectThenInputAndCheckConnections(
-      block, thenInput, opt_elseInput, opt_parent) {
-    block.getInput('THEN').connection.connect(thenInput.outputConnection);
-    Blockly.Events.fireNow_();  // Force synchronous onchange() call.
-    chai.assert.equal(thenInput.getParent(), block, 'THEN is connected');
-    if (opt_parent) {
-      chai.assert.equal(block.getParent(), opt_parent,
-          'Still connected to parent after connecting THEN');
-    }
-    if (opt_elseInput) {
-      chai.assert.equal(opt_elseInput.getParent(), block,
-          'Input ELSE still connected after connecting THEN');
-    }
-  }
-  function connectElseInputAndCheckConnections(
-      block, elseInput, opt_thenInput, opt_parent) {
-    block.getInput('ELSE').connection.connect(elseInput.outputConnection);
-    Blockly.Events.fireNow_();  // Force synchronous onchange() call.
-    chai.assert.equal(elseInput.getParent(), block, 'ELSE is connected');
-    if (opt_parent) {
-      chai.assert.equal(block.getParent(), opt_parent,
-          'Still connected to parent after connecting ELSE');
-    }
-    if (opt_thenInput) {
-      chai.assert.equal(opt_thenInput.getParent(), block,
-          'Input THEN still connected after connecting ELSE');
-    }
-  }
-  function connectInputsAndCheckConnections(
-      block, thenInput, elseInput, opt_parent) {
-    connectThenInputAndCheckConnections(block, thenInput, null, opt_parent);
-    connectElseInputAndCheckConnections(block, elseInput, thenInput, opt_parent);
-  }
-  suite('No parent', function() {
-    test('Attach inputs same type', function() {
-      var string1 = this.workspace.newBlock('text');
-      var string2 = this.workspace.newBlock('text_charAt');
-
-      connectInputsAndCheckConnections(this.block, string1, string2);
-    });
-    test('Attach inputs different types', function() {
-      var string = this.workspace.newBlock('text');
-      var number = this.workspace.newBlock('math_number');
-
-      connectInputsAndCheckConnections(this.block, string, number);
-    });
-  });
-  suite('With parent already attached', function() {
-    test('Attach inputs same type with matching parent', function() {
-      var parent = this.workspace.newBlock('text_trim');
-
-      connectParentAndCheckConnections(this.block, parent, 'TEXT');
-
-      var string1 = this.workspace.newBlock('text');
-      var string2 = this.workspace.newBlock('text_charAt');
-
-      connectInputsAndCheckConnections(this.block, string1, string2, parent);
-    });
-    test('Attach inputs different types with unchecked parent', function() {
-      var parent = this.workspace.newBlock('text_print');
-
-      connectParentAndCheckConnections(this.block, parent, 'TEXT');
-
-      var string = this.workspace.newBlock('text');
-      var number = this.workspace.newBlock('math_number');
-
-      connectInputsAndCheckConnections(this.block, string, number, parent);
-    });
-    test('Attach inputs different types with permissive parent', function() {
-      var parent = this.workspace.newBlock('text_length');  // Allows String or Array
-
-      connectParentAndCheckConnections(this.block, parent, 'VALUE');
-
-      var string = this.workspace.newBlock('text');
-      var array = this.workspace.newBlock('lists_create_empty');
-
-      connectInputsAndCheckConnections(this.block, string, array, parent);
-    });
-    test('Attach mismatch type to then causes break with parent', function() {
-      var parent = this.workspace.newBlock('text_length');  // Allows String or Array
-
-      connectParentAndCheckConnections(this.block, parent, 'VALUE');
-
-      var string = this.workspace.newBlock('text');
-      var number = this.workspace.newBlock('math_number');
-
-      connectElseInputAndCheckConnections(this.block, string, null, parent);
-
-      // Adding mismatching number.
-      connectThenInputAndCheckConnections(this.block, number, string);
-      chai.assert.equal(this.block.getRootBlock(), this.block,
-          'Disconnected from parent');
-    });
-    test('Attach mismatch type to else causes break with parent', function() {
-      var parent = this.workspace.newBlock('text_length');  // Allows String or Array
-
-      connectParentAndCheckConnections(this.block, parent, 'VALUE');
-
-      var string = this.workspace.newBlock('text');
-      var number = this.workspace.newBlock('math_number');
-
-      connectThenInputAndCheckConnections(this.block, string, null, parent);
-
-      // Adding mismatching number.
-      connectElseInputAndCheckConnections(this.block, number, string);
-      chai.assert.equal(this.block.getRootBlock(), this.block,
-          'Disconnected from parent');
-    });
-  });
-  suite('Attaching parent after inputs', function() {
-    test('Unchecked parent with inputs different types', function() {
-      var string = this.workspace.newBlock('text');
-      var number = this.workspace.newBlock('math_number');
-
-      connectInputsAndCheckConnections(this.block, string, number);
-
-      var parent = this.workspace.newBlock('text_print');
-      connectParentAndCheckConnections(
-          this.block, parent, 'TEXT', string, number);
-    });
-    test('Permissive parent with inputs different types', function() {
-      var string = this.workspace.newBlock('text');
-      var array = this.workspace.newBlock('lists_create_empty');
-
-      connectInputsAndCheckConnections(this.block, string, array);
-
-      var parent = this.workspace.newBlock('text_print');
-      connectParentAndCheckConnections(
-          this.block, parent, 'TEXT', string, array);
-    });
-    test('Mismatch with then causes break with then', function() {
-      var number = this.workspace.newBlock('math_number');
-      var string = this.workspace.newBlock('text');
-
-      connectInputsAndCheckConnections(this.block, number, string);
-
-      var parent = this.workspace.newBlock('text_trim');
-      connectParentAndCheckConnections(
-          this.block, parent, 'TEXT', null, string);
-      chai.assert.equal(number.getRootBlock(), number,
-          'Input THEN disconnected');
-    });
-    test('Mismatch with else causes break with else', function() {
-      var string = this.workspace.newBlock('text');
-      var number = this.workspace.newBlock('math_number');
-
-      connectInputsAndCheckConnections(this.block, string, number);
-
-      var parent = this.workspace.newBlock('text_trim');
-      connectParentAndCheckConnections(this.block, parent, 'TEXT', string);
-      chai.assert.equal(number.getRootBlock(), number,
-          'Input ELSE disconnected');
-    });
-  });
-});
diff --git a/tests/mocha/metrics_test.js b/tests/mocha/metrics_test.js
index f252b17a970..ea2cba7ba27 100644
--- a/tests/mocha/metrics_test.js
+++ b/tests/mocha/metrics_test.js
@@ -1,16 +1,17 @@
 /**
  * @license
- * Copyright 2019 Google LLC
+ * Copyright 2021 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Metrics tests.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
 
-suite('Metrics', function() {
+suite('Metrics', function () {
+  const SCROLL_X = 10;
+  const SCROLL_Y = 10;
   function assertDimensionsMatch(toCheck, left, top, width, height) {
     chai.assert.equal(top, toCheck.top, 'Top did not match.');
     chai.assert.equal(left, toCheck.left, 'Left did not match.');
@@ -22,92 +23,648 @@ suite('Metrics', function() {
   // getBlocksBoundingBox and scale.
   function makeMockWs(scale, x, y, width, height) {
     return {
-      getBlocksBoundingBox: function() {
-        return {
-          top: y,
-          bottom: y + height,
-          left: x,
-          right: x + width
-        };
+      getBlocksBoundingBox: function () {
+        return {top: y, bottom: y + height, left: x, right: x + width};
+      },
+      getToolbox: function () {},
+      getFlyout: function () {},
+      scale: scale,
+      scrollX: SCROLL_X,
+      scrollY: SCROLL_Y,
+      isMovableHorizontally: function () {
+        return true;
+      },
+      isMovableVertically: function () {
+        return true;
       },
-      scale: scale
     };
   }
 
-  setup(function() {
+  setup(function () {
     sharedTestSetup.call(this);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  test('GetContentDimensionsExact - empty', function() {
-    var ws = makeMockWs(1, 0, 0, 0, 0);
-    var defaultZoom = Blockly.WorkspaceSvg.getContentDimensionsExact_(ws);
-    assertDimensionsMatch(defaultZoom, 0, 0, 0, 0);
-  });
-  test('GetContentDimensionsExact - empty zoom in', function() {
-    var ws = makeMockWs(2, 0, 0, 0, 0);
-    var zoomIn = Blockly.WorkspaceSvg.getContentDimensionsExact_(ws);
-    assertDimensionsMatch(zoomIn, 0, 0, 0, 0);
-  });
-  test('GetContentDimensionsExact - empty zoom out', function() {
-    var ws = makeMockWs(.5, 0, 0, 0, 0);
-    var zoomOut = Blockly.WorkspaceSvg.getContentDimensionsExact_(ws);
-    assertDimensionsMatch(zoomOut, 0, 0, 0, 0);
-  });
-  test('GetContentDimensionsExact - non empty at origin', function() {
-    var ws = makeMockWs(1, 0, 0, 100, 100);
-    var defaultZoom = Blockly.WorkspaceSvg.getContentDimensionsExact_(ws);
-    // Pixel and ws units are the same at default zoom.
-    assertDimensionsMatch(defaultZoom, 0, 0, 100, 100);
-  });
-  test('GetContentDimensionsExact - non empty at origin zoom in', function() {
-    var ws = makeMockWs(2, 0, 0, 100, 100);
-    var zoomIn = Blockly.WorkspaceSvg.getContentDimensionsExact_(ws);
-    // 1 ws unit = 2 pixels at this zoom level.
-    assertDimensionsMatch(zoomIn, 0, 0, 200, 200);
-  });
-  test('GetContentDimensionsExact - non empty at origin zoom out', function() {
-    var ws = makeMockWs(.5, 0, 0, 100, 100);
-    var zoomOut = Blockly.WorkspaceSvg.getContentDimensionsExact_(ws);
-    // 1 ws unit = 0.5 pixels at this zoom level.
-    assertDimensionsMatch(zoomOut, 0, 0, 50, 50);
-  });
-  test('GetContentDimensionsExact - non empty positive origin', function() {
-    var ws = makeMockWs(1, 10, 10, 100, 100);
-    var defaultZoom = Blockly.WorkspaceSvg.getContentDimensionsExact_(ws);
-    // Pixel and ws units are the same at default zoom.
-    assertDimensionsMatch(defaultZoom, 10, 10, 100, 100);
-  });
-  test('GetContentDimensionsExact - non empty positive origin zoom in', function() {
-    var ws = makeMockWs(2, 10, 10, 100, 100);
-    var zoomIn = Blockly.WorkspaceSvg.getContentDimensionsExact_(ws);
-    // 1 ws unit = 2 pixels at this zoom level.
-    assertDimensionsMatch(zoomIn, 20, 20, 200, 200);
-  });
-  test('GetContentDimensionsExact - non empty positive origin zoom out', function() {
-    var ws = makeMockWs(.5, 10, 10, 100, 100);
-    var zoomOut = Blockly.WorkspaceSvg.getContentDimensionsExact_(ws);
-    // 1 ws unit = 0.5 pixels at this zoom level.
-    assertDimensionsMatch(zoomOut, 5, 5, 50, 50);
+  suite('getAbsoluteMetrics', function () {
+    setup(function () {
+      this.ws = makeMockWs(1, 0, 0, 0, 0);
+      this.metricsManager = new Blockly.MetricsManager(this.ws);
+      this.toolboxMetricsStub = sinon.stub(
+        this.metricsManager,
+        'getToolboxMetrics',
+      );
+      this.flyoutMetricsStub = sinon.stub(
+        this.metricsManager,
+        'getFlyoutMetrics',
+      );
+      this.getToolboxStub = sinon.stub(
+        this.metricsManager.workspace_,
+        'getToolbox',
+      );
+      this.getFlyoutStub = sinon.stub(
+        this.metricsManager.workspace_,
+        'getFlyout',
+      );
+    });
+
+    test('left toolboxes with always open flyouts have both offsets', function () {
+      this.toolboxMetricsStub.returns({width: 50, height: 0, position: 2});
+      this.flyoutMetricsStub.returns({width: 100, height: 0, position: 2});
+      this.getToolboxStub.returns(true);
+      this.getFlyoutStub.returns({autoClose: false});
+
+      const absoluteMetrics = this.metricsManager.getAbsoluteMetrics();
+
+      assertDimensionsMatch(absoluteMetrics, 150, 0);
+    });
+
+    test('top toolboxes with always open flyouts have both offsets', function () {
+      this.toolboxMetricsStub.returns({width: 0, height: 50, position: 0});
+      this.flyoutMetricsStub.returns({width: 0, height: 100, position: 0});
+      this.getToolboxStub.returns(true);
+      this.getFlyoutStub.returns({autoClose: false});
+
+      const absoluteMetrics = this.metricsManager.getAbsoluteMetrics();
+
+      assertDimensionsMatch(absoluteMetrics, 0, 150);
+    });
+
+    test('left toolboxes with autoclosing flyouts only have a toolbox offset', function () {
+      this.toolboxMetricsStub.returns({width: 50, height: 0, position: 2});
+      this.flyoutMetricsStub.returns({width: 100, height: 0, position: 2});
+      this.getToolboxStub.returns(true);
+      this.getFlyoutStub.returns({autoClose: true});
+
+      const absoluteMetrics = this.metricsManager.getAbsoluteMetrics();
+
+      assertDimensionsMatch(absoluteMetrics, 50, 0);
+    });
+
+    test('top toolboxes with autoclosing flyouts only have a toolbox offset', function () {
+      this.toolboxMetricsStub.returns({width: 0, height: 50, position: 0});
+      this.flyoutMetricsStub.returns({width: 0, height: 100, position: 0});
+      this.getToolboxStub.returns(true);
+      this.getFlyoutStub.returns({autoClose: true});
+
+      const absoluteMetrics = this.metricsManager.getAbsoluteMetrics();
+
+      assertDimensionsMatch(absoluteMetrics, 0, 50);
+    });
+
+    test('left always open flyouts have a flyout offset', function () {
+      this.toolboxMetricsStub.returns({width: 50, height: 0, position: 2});
+      this.flyoutMetricsStub.returns({width: 100, height: 0, position: 2});
+      this.getToolboxStub.returns(false);
+      this.getFlyoutStub.returns({autoClose: false});
+
+      const absoluteMetrics = this.metricsManager.getAbsoluteMetrics();
+
+      assertDimensionsMatch(absoluteMetrics, 100, 0);
+    });
+
+    test('top always open flyouts have a flyout offset', function () {
+      this.toolboxMetricsStub.returns({width: 0, height: 50, position: 0});
+      this.flyoutMetricsStub.returns({width: 0, height: 100, position: 0});
+      this.getToolboxStub.returns(false);
+      this.getFlyoutStub.returns({autoClose: false});
+
+      const absoluteMetrics = this.metricsManager.getAbsoluteMetrics();
+
+      assertDimensionsMatch(absoluteMetrics, 0, 100);
+    });
+
+    test('left autoclosing flyouts have no offset', function () {
+      this.toolboxMetricsStub.returns({width: 50, height: 0, position: 2});
+      this.flyoutMetricsStub.returns({width: 100, height: 0, position: 2});
+      this.getToolboxStub.returns(false);
+      this.getFlyoutStub.returns({autoClose: true});
+
+      const absoluteMetrics = this.metricsManager.getAbsoluteMetrics();
+
+      assertDimensionsMatch(absoluteMetrics, 0, 0);
+    });
+
+    test('top autoclosing flyouts have no offset', function () {
+      this.toolboxMetricsStub.returns({width: 0, height: 50, position: 0});
+      this.flyoutMetricsStub.returns({width: 0, height: 100, position: 0});
+      this.getToolboxStub.returns(false);
+      this.getFlyoutStub.returns({autoClose: true});
+
+      const absoluteMetrics = this.metricsManager.getAbsoluteMetrics();
+
+      assertDimensionsMatch(absoluteMetrics, 0, 0);
+    });
   });
-  test('GetContentDimensionsExact - non empty negative origin', function() {
-    var ws = makeMockWs(1, -10, -10, 100, 100);
-    var defaultZoom = Blockly.WorkspaceSvg.getContentDimensionsExact_(ws);
-    // Pixel and ws units are the same at default zoom.
-    assertDimensionsMatch(defaultZoom, -10, -10, 100, 100);
+
+  suite('getViewMetrics', function () {
+    setup(function () {
+      this.ws = makeMockWs(1, 0, 0, 0, 0);
+      this.metricsManager = new Blockly.MetricsManager(this.ws);
+      this.toolboxMetricsStub = sinon.stub(
+        this.metricsManager,
+        'getToolboxMetrics',
+      );
+      this.flyoutMetricsStub = sinon.stub(
+        this.metricsManager,
+        'getFlyoutMetrics',
+      );
+      this.getToolboxStub = sinon.stub(
+        this.metricsManager.workspace_,
+        'getToolbox',
+      );
+      this.getFlyoutStub = sinon.stub(
+        this.metricsManager.workspace_,
+        'getFlyout',
+      );
+      this.svgMetricsStub = sinon.stub(this.metricsManager, 'getSvgMetrics');
+    });
+
+    test('left toolboxes with always open flyouts have both offsets', function () {
+      this.toolboxMetricsStub.returns({width: 50, height: 0, position: 2});
+      this.flyoutMetricsStub.returns({width: 100, height: 0, position: 2});
+      this.svgMetricsStub.returns({width: 500, height: 500});
+      this.getToolboxStub.returns(true);
+      this.getFlyoutStub.returns({autoClose: false});
+
+      const viewMetrics = this.metricsManager.getViewMetrics();
+
+      assertDimensionsMatch(viewMetrics, -SCROLL_X, -SCROLL_Y, 350, 500);
+    });
+
+    test('top toolboxes with always open flyouts have both offsets', function () {
+      this.toolboxMetricsStub.returns({width: 0, height: 50, position: 0});
+      this.flyoutMetricsStub.returns({width: 0, height: 100, position: 0});
+      this.svgMetricsStub.returns({width: 500, height: 500});
+      this.getToolboxStub.returns(true);
+      this.getFlyoutStub.returns({autoClose: false});
+
+      const viewMetrics = this.metricsManager.getViewMetrics();
+
+      assertDimensionsMatch(viewMetrics, -SCROLL_X, -SCROLL_Y, 500, 350);
+    });
+
+    test('left toolboxes with autoclosing flyouts only have a toolbox offset', function () {
+      this.toolboxMetricsStub.returns({width: 50, height: 0, position: 2});
+      this.flyoutMetricsStub.returns({width: 100, height: 0, position: 2});
+      this.svgMetricsStub.returns({width: 500, height: 500});
+      this.getToolboxStub.returns(true);
+      this.getFlyoutStub.returns({autoClose: true});
+
+      const viewMetrics = this.metricsManager.getViewMetrics();
+
+      assertDimensionsMatch(viewMetrics, -SCROLL_X, -SCROLL_Y, 450, 500);
+    });
+
+    test('top toolboxes with autoclosing flyouts only have a toolbox offset', function () {
+      this.toolboxMetricsStub.returns({width: 0, height: 50, position: 0});
+      this.flyoutMetricsStub.returns({width: 0, height: 100, position: 0});
+      this.svgMetricsStub.returns({width: 500, height: 500});
+      this.getToolboxStub.returns(true);
+      this.getFlyoutStub.returns({autoClose: true});
+
+      const viewMetrics = this.metricsManager.getViewMetrics();
+
+      assertDimensionsMatch(viewMetrics, -SCROLL_X, -SCROLL_Y, 500, 450);
+    });
+
+    test('left always open flyouts have a flyout offset', function () {
+      this.toolboxMetricsStub.returns({width: 50, height: 0, position: 2});
+      this.flyoutMetricsStub.returns({width: 100, height: 0, position: 2});
+      this.svgMetricsStub.returns({width: 500, height: 500});
+      this.getToolboxStub.returns(false);
+      this.getFlyoutStub.returns({autoClose: false});
+
+      const viewMetrics = this.metricsManager.getViewMetrics();
+
+      assertDimensionsMatch(viewMetrics, -SCROLL_X, -SCROLL_Y, 400, 500);
+    });
+
+    test('top always open flyouts have a flyout offset', function () {
+      this.toolboxMetricsStub.returns({width: 0, height: 50, position: 0});
+      this.flyoutMetricsStub.returns({width: 0, height: 100, position: 0});
+      this.svgMetricsStub.returns({width: 500, height: 500});
+      this.getToolboxStub.returns(false);
+      this.getFlyoutStub.returns({autoClose: false});
+
+      const viewMetrics = this.metricsManager.getViewMetrics();
+
+      assertDimensionsMatch(viewMetrics, -SCROLL_X, -SCROLL_Y, 500, 400);
+    });
+
+    test('left autoclosing flyouts have no offset', function () {
+      this.toolboxMetricsStub.returns({width: 50, height: 0, position: 2});
+      this.flyoutMetricsStub.returns({width: 100, height: 0, position: 2});
+      this.svgMetricsStub.returns({width: 500, height: 500});
+      this.getToolboxStub.returns(false);
+      this.getFlyoutStub.returns({autoClose: true});
+
+      const viewMetrics = this.metricsManager.getViewMetrics();
+
+      assertDimensionsMatch(viewMetrics, -SCROLL_X, -SCROLL_Y, 500, 500);
+    });
+
+    test('top autoclosing flyouts have no offset', function () {
+      this.toolboxMetricsStub.returns({width: 0, height: 50, position: 0});
+      this.flyoutMetricsStub.returns({width: 0, height: 100, position: 0});
+      this.svgMetricsStub.returns({width: 500, height: 500});
+      this.getToolboxStub.returns(false);
+      this.getFlyoutStub.returns({autoClose: true});
+
+      const viewMetrics = this.metricsManager.getViewMetrics();
+
+      assertDimensionsMatch(viewMetrics, -SCROLL_X, -SCROLL_Y, 500, 500);
+    });
+
+    test('Get view metrics in workspace coordinates ', function () {
+      const scale = 2;
+      const getWorkspaceCoordinates = true;
+
+      this.ws.scale = scale;
+      this.toolboxMetricsStub.returns({});
+      this.flyoutMetricsStub.returns({width: 0, height: 107, position: 0});
+      this.svgMetricsStub.returns({width: 500, height: 500});
+      this.getToolboxStub.returns(false);
+      this.getFlyoutStub.returns(true);
+
+      const viewMetrics = this.metricsManager.getViewMetrics(
+        getWorkspaceCoordinates,
+      );
+
+      assertDimensionsMatch(
+        viewMetrics,
+        -SCROLL_X / scale,
+        -SCROLL_Y / scale,
+        500 / scale,
+        393 / scale,
+      );
+    });
   });
-  test('GetContentDimensionsExact - non empty negative origin zoom in', function() {
-    var ws = makeMockWs(2, -10, -10, 100, 100);
-    var zoomIn = Blockly.WorkspaceSvg.getContentDimensionsExact_(ws);
-    // 1 ws unit = 2 pixels at this zoom level.
-    assertDimensionsMatch(zoomIn, -20, -20, 200, 200);
+
+  suite('getContentMetrics', function () {
+    test('Empty in ws coordinates', function () {
+      const ws = makeMockWs(1, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(true);
+      assertDimensionsMatch(contentMetrics, 0, 0, 0, 0);
+    });
+    test('Empty zoom-in in ws coordinates', function () {
+      const ws = makeMockWs(2, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(true);
+      assertDimensionsMatch(contentMetrics, 0, 0, 0, 0);
+    });
+    test('Empty zoom-out in ws coordinates', function () {
+      const ws = makeMockWs(0.5, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(true);
+      assertDimensionsMatch(contentMetrics, 0, 0, 0, 0);
+    });
+    test('Non empty at origin ws coordinates', function () {
+      const ws = makeMockWs(1, 0, 0, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(true);
+      assertDimensionsMatch(contentMetrics, 0, 0, 100, 100);
+    });
+    test('Non empty at origin zoom-in ws coordinates', function () {
+      const ws = makeMockWs(2, 0, 0, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(true);
+      assertDimensionsMatch(contentMetrics, 0, 0, 100, 100);
+    });
+    test('Non empty at origin zoom-out ws coordinates', function () {
+      const ws = makeMockWs(0.5, 0, 0, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(true);
+      assertDimensionsMatch(contentMetrics, 0, 0, 100, 100);
+    });
+    test('Non empty positive origin ws coordinates', function () {
+      const ws = makeMockWs(1, 10, 10, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(true);
+      assertDimensionsMatch(contentMetrics, 10, 10, 100, 100);
+    });
+    test('Non empty positive origin zoom-in ws coordinates', function () {
+      const ws = makeMockWs(2, 10, 10, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(true);
+      // 1 ws unit = 2 pixels at this zoom level.
+      assertDimensionsMatch(contentMetrics, 10, 10, 100, 100);
+    });
+    test('Non empty positive origin zoom-out ws coordinates', function () {
+      const ws = makeMockWs(0.5, 10, 10, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(true);
+      // 1 ws unit = 0.5 pixels at this zoom level.
+      assertDimensionsMatch(contentMetrics, 10, 10, 100, 100);
+    });
+    test('Non empty negative origin ws coordinates', function () {
+      const ws = makeMockWs(1, -10, -10, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(true);
+      // Pixel and ws units are the same at default zoom.
+      assertDimensionsMatch(contentMetrics, -10, -10, 100, 100);
+    });
+    test('Non empty negative origin zoom-in ws coordinates', function () {
+      const ws = makeMockWs(2, -10, -10, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(true);
+      assertDimensionsMatch(contentMetrics, -10, -10, 100, 100);
+    });
+    test('Non empty negative origin zoom-out ws coordinates', function () {
+      const ws = makeMockWs(0.5, -10, -10, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(true);
+      assertDimensionsMatch(contentMetrics, -10, -10, 100, 100);
+    });
+    test('Empty in pixel coordinates', function () {
+      const ws = makeMockWs(1, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(false);
+      assertDimensionsMatch(contentMetrics, 0, 0, 0, 0);
+    });
+    test('Empty zoom-in in pixel coordinates', function () {
+      const ws = makeMockWs(2, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(false);
+      assertDimensionsMatch(contentMetrics, 0, 0, 0, 0);
+    });
+    test('Empty zoom-out in pixel coordinates', function () {
+      const ws = makeMockWs(0.5, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(false);
+      assertDimensionsMatch(contentMetrics, 0, 0, 0, 0);
+    });
+    test('Non empty at origin pixel coordinates', function () {
+      const ws = makeMockWs(1, 0, 0, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(false);
+      // Pixel and ws units are the same at default zoom.
+      assertDimensionsMatch(contentMetrics, 0, 0, 100, 100);
+    });
+    test('Non empty at origin zoom-in pixel coordinates', function () {
+      const ws = makeMockWs(2, 0, 0, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(false);
+      // 1 ws unit = 2 pixels at this zoom level.
+      assertDimensionsMatch(contentMetrics, 0, 0, 200, 200);
+    });
+    test('Non empty at origin zoom-out pixel coordinates', function () {
+      const ws = makeMockWs(0.5, 0, 0, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(false);
+      // 1 ws unit = 0.5 pixels at this zoom level.
+      assertDimensionsMatch(contentMetrics, 0, 0, 50, 50);
+    });
+    test('Non empty positive origin pixel coordinates', function () {
+      const ws = makeMockWs(1, 10, 10, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(false);
+      // Pixel and ws units are the same at default zoom.
+      assertDimensionsMatch(contentMetrics, 10, 10, 100, 100);
+    });
+    test('Non empty positive origin zoom-in pixel coordinates', function () {
+      const ws = makeMockWs(2, 10, 10, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(false);
+      // 1 ws unit = 2 pixels at this zoom level.
+      assertDimensionsMatch(contentMetrics, 20, 20, 200, 200);
+    });
+    test('Non empty positive origin zoom-out pixel coordinates', function () {
+      const ws = makeMockWs(0.5, 10, 10, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(false);
+      // 1 ws unit = 0.5 pixels at this zoom level.
+      assertDimensionsMatch(contentMetrics, 5, 5, 50, 50);
+    });
+    test('Non empty negative origin pixel coordinates', function () {
+      const ws = makeMockWs(1, -10, -10, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(false);
+      // Pixel and ws units are the same at default zoom.
+      assertDimensionsMatch(contentMetrics, -10, -10, 100, 100);
+    });
+    test('Non empty negative origin zoom-in pixel coordinates', function () {
+      const ws = makeMockWs(2, -10, -10, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(false);
+      // 1 ws unit = 2 pixels at this zoom level.
+      assertDimensionsMatch(contentMetrics, -20, -20, 200, 200);
+    });
+    test('Non empty negative origin zoom-out pixel coordinates', function () {
+      const ws = makeMockWs(0.5, -10, -10, 100, 100);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      const contentMetrics = metricsManager.getContentMetrics(false);
+      // 1 ws unit = 0.5 pixels at this zoom level.
+      assertDimensionsMatch(contentMetrics, -5, -5, 50, 50);
+    });
   });
-  test('GetContentDimensionsExact - non empty negative origin zoom out', function() {
-    var ws = makeMockWs(.5, -10, -10, 100, 100);
-    var zoomOut = Blockly.WorkspaceSvg.getContentDimensionsExact_(ws);
-    // 1 ws unit = 0.5 pixels at this zoom level.
-    assertDimensionsMatch(zoomOut, -5, -5, 50, 50);
+
+  suite('getScrollMetrics', function () {
+    test('Empty workspace in ws coordinates', function () {
+      const ws = makeMockWs(1, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      // The location of the viewport.
+      const mockViewMetrics = {top: 0, left: 0, width: 200, height: 200};
+      // The bounding box around the blocks on the screen.
+      const mockContentMetrics = {top: 0, left: 0, width: 0, height: 0};
+
+      const contentMetrics = metricsManager.getScrollMetrics(
+        true,
+        mockViewMetrics,
+        mockContentMetrics,
+      );
+
+      // Should add half the view width to all sides.
+      assertDimensionsMatch(contentMetrics, -200, -200, 400, 400);
+    });
+    test('Empty workspace zoom-in in ws coordinates', function () {
+      const ws = makeMockWs(2, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      // The location of the viewport.
+      const mockViewMetrics = {top: 0, left: 0, width: 200, height: 200};
+      // The bounding box around the blocks on the screen.
+      const mockContentMetrics = {top: 0, left: 0, width: 0, height: 0};
+
+      const contentMetrics = metricsManager.getScrollMetrics(
+        true,
+        mockViewMetrics,
+        mockContentMetrics,
+      );
+
+      // Should add half the view width to all sides.
+      assertDimensionsMatch(contentMetrics, -100, -100, 200, 200);
+    });
+    test('Empty workspace zoom-out in ws coordinates', function () {
+      const ws = makeMockWs(0.5, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      // The location of the viewport.
+      const mockViewMetrics = {top: 0, left: 0, width: 200, height: 200};
+      // The bounding box around the blocks on the screen.
+      const mockContentMetrics = {top: 0, left: 0, width: 0, height: 0};
+
+      const contentMetrics = metricsManager.getScrollMetrics(
+        true,
+        mockViewMetrics,
+        mockContentMetrics,
+      );
+
+      // Should add half the view width to all sides.
+      assertDimensionsMatch(contentMetrics, -400, -400, 800, 800);
+    });
+    test('Non empty workspace in ws coordinates', function () {
+      const ws = makeMockWs(1, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      // The location of the viewport.
+      const mockViewMetrics = {top: 0, left: 0, width: 200, height: 200};
+      // The bounding box around the blocks on the screen.
+      const mockContentMetrics = {top: 100, left: 100, width: 50, height: 50};
+
+      const contentMetrics = metricsManager.getScrollMetrics(
+        true,
+        mockViewMetrics,
+        mockContentMetrics,
+      );
+
+      // Should add half of the view width to all sides.
+      assertDimensionsMatch(contentMetrics, -50, -50, 350, 350);
+    });
+    test('Non empty workspace zoom-in in ws coordinates', function () {
+      const ws = makeMockWs(2, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      // The location of the viewport.
+      const mockViewMetrics = {top: 0, left: 0, width: 200, height: 200};
+      // The bounding box around the blocks on the screen.
+      const mockContentMetrics = {top: 100, left: 100, width: 50, height: 50};
+
+      const contentMetrics = metricsManager.getScrollMetrics(
+        true,
+        mockViewMetrics,
+        mockContentMetrics,
+      );
+
+      // Should add half of the view width to all sides.
+      assertDimensionsMatch(contentMetrics, -25, -25, 175, 175);
+    });
+    test('Non empty workspace zoom-out in ws coordinates', function () {
+      const ws = makeMockWs(0.5, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      // The location of the viewport.
+      const mockViewMetrics = {top: 0, left: 0, width: 200, height: 200};
+      // The bounding box around the blocks on the screen.
+      const mockContentMetrics = {top: 100, left: 100, width: 50, height: 50};
+
+      const contentMetrics = metricsManager.getScrollMetrics(
+        true,
+        mockViewMetrics,
+        mockContentMetrics,
+      );
+
+      // Should add half of the view width to all sides.
+      assertDimensionsMatch(contentMetrics, -100, -100, 700, 700);
+    });
+    test('Empty workspace in pixel coordinates', function () {
+      const ws = makeMockWs(1, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      // The location of the viewport.
+      const mockViewMetrics = {top: 0, left: 0, width: 200, height: 200};
+      // The bounding box around the blocks on the screen.
+      const mockContentMetrics = {top: 0, left: 0, width: 0, height: 0};
+
+      const contentMetrics = metricsManager.getScrollMetrics(
+        false,
+        mockViewMetrics,
+        mockContentMetrics,
+      );
+
+      // Should add half the view width to all sides.
+      assertDimensionsMatch(contentMetrics, -200, -200, 400, 400);
+    });
+    test('Empty workspace zoom-in in pixel coordinates', function () {
+      const ws = makeMockWs(2, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      // The location of the viewport.
+      const mockViewMetrics = {top: 0, left: 0, width: 200, height: 200};
+      // The bounding box around the blocks on the screen.
+      const mockContentMetrics = {top: 0, left: 0, width: 0, height: 0};
+
+      const contentMetrics = metricsManager.getScrollMetrics(
+        false,
+        mockViewMetrics,
+        mockContentMetrics,
+      );
+
+      // Should add half the view width to all sides.
+      assertDimensionsMatch(contentMetrics, -200, -200, 400, 400);
+    });
+    test('Empty workspace zoom-out in pixel coordinates', function () {
+      const ws = makeMockWs(0.5, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      // The location of the viewport.
+      const mockViewMetrics = {top: 0, left: 0, width: 200, height: 200};
+      // The bounding box around the blocks on the screen.
+      const mockContentMetrics = {top: 0, left: 0, width: 0, height: 0};
+
+      const contentMetrics = metricsManager.getScrollMetrics(
+        false,
+        mockViewMetrics,
+        mockContentMetrics,
+      );
+
+      // Should add half the view width to all sides.
+      assertDimensionsMatch(contentMetrics, -200, -200, 400, 400);
+    });
+    test('Non empty workspace in pixel coordinates', function () {
+      const ws = makeMockWs(1, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      // The location of the viewport.
+      const mockViewMetrics = {top: 0, left: 0, width: 200, height: 200};
+      // The bounding box around the blocks on the screen.
+      const mockContentMetrics = {top: 100, left: 100, width: 50, height: 50};
+
+      const contentMetrics = metricsManager.getScrollMetrics(
+        false,
+        mockViewMetrics,
+        mockContentMetrics,
+      );
+
+      // Should add half of the view width to all sides.
+      assertDimensionsMatch(contentMetrics, -50, -50, 350, 350);
+    });
+    test('Non empty workspace zoom-in in pixel coordinates', function () {
+      const ws = makeMockWs(2, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      // The location of the viewport.
+      const mockViewMetrics = {top: 0, left: 0, width: 200, height: 200};
+      // The bounding box around the blocks on the screen.
+      const mockContentMetrics = {top: 100, left: 100, width: 50, height: 50};
+
+      const contentMetrics = metricsManager.getScrollMetrics(
+        false,
+        mockViewMetrics,
+        mockContentMetrics,
+      );
+
+      // Should add half of the view width to all sides.
+      assertDimensionsMatch(contentMetrics, -50, -50, 350, 350);
+    });
+    test('Non empty workspace zoom-out in pixel coordinates', function () {
+      const ws = makeMockWs(0.5, 0, 0, 0, 0);
+      const metricsManager = new Blockly.MetricsManager(ws);
+      // The location of the viewport.
+      const mockViewMetrics = {top: 0, left: 0, width: 200, height: 200};
+      // The bounding box around the blocks on the screen.
+      const mockContentMetrics = {top: 100, left: 100, width: 50, height: 50};
+
+      const contentMetrics = metricsManager.getScrollMetrics(
+        false,
+        mockViewMetrics,
+        mockContentMetrics,
+      );
+
+      // Should add half of the view width to all sides.
+      assertDimensionsMatch(contentMetrics, -50, -50, 350, 350);
+    });
   });
 });
diff --git a/tests/mocha/mutator_test.js b/tests/mocha/mutator_test.js
new file mode 100644
index 00000000000..b4c6930fa36
--- /dev/null
+++ b/tests/mocha/mutator_test.js
@@ -0,0 +1,86 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {
+  createRenderedBlock,
+  defineMutatorBlocks,
+} from './test_helpers/block_definitions.js';
+import {assertEventFired, assertEventNotFired} from './test_helpers/events.js';
+
+suite('Mutator', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+  });
+
+  suite('Firing change event', function () {
+    setup(function () {
+      this.workspace = Blockly.inject('blocklyDiv', {});
+      defineMutatorBlocks();
+    });
+
+    teardown(function () {
+      Blockly.Extensions.unregister('xml_mutator');
+      Blockly.Extensions.unregister('jso_mutator');
+      sharedTestTeardown.call(this);
+    });
+
+    test('No change', async function () {
+      const block = createRenderedBlock(this.workspace, 'xml_block');
+      const icon = block.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await icon.setBubbleVisible(true);
+      const mutatorWorkspace = icon.getWorkspace();
+      // Trigger mutator change listener.
+      createRenderedBlock(mutatorWorkspace, 'checkbox_block');
+      assertEventNotFired(this.eventsFireStub, Blockly.Events.BlockChange, {
+        element: 'mutation',
+      });
+    });
+
+    test('XML', async function () {
+      const block = createRenderedBlock(this.workspace, 'xml_block');
+      const icon = block.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await icon.setBubbleVisible(true);
+      const mutatorWorkspace = icon.getWorkspace();
+      mutatorWorkspace
+        .getBlockById('check_block')
+        .setFieldValue('TRUE', 'CHECK');
+      chai.assert.isTrue(
+        this.eventsFireStub
+          .getCalls()
+          .some(
+            ({args}) =>
+              args[0].type === Blockly.Events.BLOCK_CHANGE &&
+              args[0].element === 'mutation' &&
+              /<mutation.*><\/mutation>/.test(args[0].newValue),
+          ),
+      );
+    });
+
+    test('JSO', async function () {
+      const block = createRenderedBlock(this.workspace, 'jso_block');
+      const icon = block.getIcon(Blockly.icons.MutatorIcon.TYPE);
+      await icon.setBubbleVisible(true);
+      const mutatorWorkspace = icon.getWorkspace();
+      mutatorWorkspace
+        .getBlockById('check_block')
+        .setFieldValue('TRUE', 'CHECK');
+      assertEventFired(
+        this.eventsFireStub,
+        Blockly.Events.BlockChange,
+        {
+          element: 'mutation',
+          newValue: '{"hasInput":true}',
+        },
+        this.workspace.id,
+        block.id,
+      );
+    });
+  });
+});
diff --git a/tests/mocha/names_test.js b/tests/mocha/names_test.js
index c8abefd718a..6cb4213df6b 100644
--- a/tests/mocha/names_test.js
+++ b/tests/mocha/names_test.js
@@ -4,59 +4,129 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Blockly names tests.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
 
-suite('Names', function() {
-  setup(function() {
+suite('Names', function () {
+  setup(function () {
     sharedTestSetup.call(this);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  test('Safe name', function() {
-    var varDB = new Blockly.Names('window,door');
-    chai.assert.equal(varDB.safeName_(''), 'unnamed','SafeName empty.');
-    chai.assert.equal( varDB.safeName_('foobar'), 'foobar','SafeName ok.');
-    chai.assert.equal(varDB.safeName_('9lives'), 'my_9lives', 'SafeName number start.');
-    chai.assert.equal(varDB.safeName_('lives9'), 'lives9', 'SafeName number end.');
-    chai.assert.equal(varDB.safeName_('!@#$'), '____', 'SafeName special chars.');
-    chai.assert.equal(varDB.safeName_('door'), 'door', 'SafeName reserved.');
+  test('Safe name', function () {
+    const varDB = new Blockly.Names('window,door');
+    chai.assert.equal(varDB.safeName(''), 'unnamed', 'SafeName empty.');
+    chai.assert.equal(varDB.safeName('foobar'), 'foobar', 'SafeName ok.');
+    chai.assert.equal(
+      varDB.safeName('9lives'),
+      'my_9lives',
+      'SafeName number start.',
+    );
+    chai.assert.equal(
+      varDB.safeName('lives9'),
+      'lives9',
+      'SafeName number end.',
+    );
+    chai.assert.equal(
+      varDB.safeName('!@#$'),
+      '____',
+      'SafeName special chars.',
+    );
+    chai.assert.equal(varDB.safeName('door'), 'door', 'SafeName reserved.');
   });
 
-  test('Get name', function() {
-    var varDB = new Blockly.Names('window,door');
-    chai.assert.equal(varDB.getName('Foo.bar', 'var'), 'Foo_bar', 'Name add #1.');
-    chai.assert.equal(varDB.getName('Foo.bar', 'var'), 'Foo_bar', 'Name get #1.');
-    chai.assert.equal(varDB.getName('Foo bar', 'var'), 'Foo_bar2', 'Name add #2.');
-    chai.assert.equal(varDB.getName('foo BAR', 'var'), 'Foo_bar2', 'Name get #2.');
+  test('Get name', function () {
+    const varDB = new Blockly.Names('window,door');
+    chai.assert.equal(
+      varDB.getName('Foo.bar', 'var'),
+      'Foo_bar',
+      'Name add #1.',
+    );
+    chai.assert.equal(
+      varDB.getName('Foo.bar', 'var'),
+      'Foo_bar',
+      'Name get #1.',
+    );
+    chai.assert.equal(
+      varDB.getName('Foo bar', 'var'),
+      'Foo_bar2',
+      'Name add #2.',
+    );
+    chai.assert.equal(
+      varDB.getName('foo BAR', 'var'),
+      'Foo_bar2',
+      'Name get #2.',
+    );
     chai.assert.equal(varDB.getName('door', 'var'), 'door2', 'Name add #3.');
-    chai.assert.equal(varDB.getName('Foo.bar', 'proc'), 'Foo_bar3', 'Name add #4.');
-    chai.assert.equal(varDB.getName('Foo.bar', 'var'), 'Foo_bar', 'Name get #1b.');
-    chai.assert.equal(varDB.getName('Foo.bar', 'proc'), 'Foo_bar3', 'Name get #4.');
+    chai.assert.equal(
+      varDB.getName('Foo.bar', 'proc'),
+      'Foo_bar3',
+      'Name add #4.',
+    );
+    chai.assert.equal(
+      varDB.getName('Foo.bar', 'var'),
+      'Foo_bar',
+      'Name get #1b.',
+    );
+    chai.assert.equal(
+      varDB.getName('Foo.bar', 'proc'),
+      'Foo_bar3',
+      'Name get #4.',
+    );
+
+    chai.assert.equal(
+      String(varDB.getUserNames('var')),
+      'foo.bar,foo bar,door',
+      'Get var names.',
+    );
+    chai.assert.equal(
+      String(varDB.getUserNames('proc')),
+      'foo.bar',
+      'Get proc names.',
+    );
   });
 
-  test('Get distinct name', function() {
-    var varDB = new Blockly.Names('window,door');
-    chai.assert.equal(varDB.getDistinctName('Foo.bar', 'var'), 'Foo_bar',
-        'Name distinct #1.');
-    chai.assert.equal(varDB.getDistinctName('Foo.bar', 'var'), 'Foo_bar2',
-        'Name distinct #2.');
-    chai.assert.equal(varDB.getDistinctName('Foo.bar', 'proc'), 'Foo_bar3',
-        'Name distinct #3.');
+  test('Get distinct name', function () {
+    const varDB = new Blockly.Names('window,door');
+    chai.assert.equal(
+      varDB.getDistinctName('Foo.bar', 'var'),
+      'Foo_bar',
+      'Name distinct #1.',
+    );
+    chai.assert.equal(
+      varDB.getDistinctName('Foo.bar', 'var'),
+      'Foo_bar2',
+      'Name distinct #2.',
+    );
+    chai.assert.equal(
+      varDB.getDistinctName('Foo.bar', 'proc'),
+      'Foo_bar3',
+      'Name distinct #3.',
+    );
     varDB.reset();
-    chai.assert.equal(varDB.getDistinctName('Foo.bar', 'var'), 'Foo_bar',
-        'Name distinct #4.');
+    chai.assert.equal(
+      varDB.getDistinctName('Foo.bar', 'var'),
+      'Foo_bar',
+      'Name distinct #4.',
+    );
   });
 
-  test('name equals', function() {
-    chai.assert.isTrue(Blockly.Names.equals('Foo.bar', 'Foo.bar'), 'Name equals #1.');
-    chai.assert.isFalse(Blockly.Names.equals('Foo.bar', 'Foo_bar'), 'Name equals #2.');
-    chai.assert.isTrue(Blockly.Names.equals('Foo.bar', 'FOO.BAR'), 'Name equals #3.');
+  test('name equals', function () {
+    chai.assert.isTrue(
+      Blockly.Names.equals('Foo.bar', 'Foo.bar'),
+      'Name equals #1.',
+    );
+    chai.assert.isFalse(
+      Blockly.Names.equals('Foo.bar', 'Foo_bar'),
+      'Name equals #2.',
+    );
+    chai.assert.isTrue(
+      Blockly.Names.equals('Foo.bar', 'FOO.BAR'),
+      'Name equals #3.',
+    );
   });
-
 });
diff --git a/tests/mocha/navigation_modify_test.js b/tests/mocha/navigation_modify_test.js
deleted file mode 100644
index 38da4c90c81..00000000000
--- a/tests/mocha/navigation_modify_test.js
+++ /dev/null
@@ -1,420 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-suite('Insert/Modify', function() {
-  function assertModifyFails() {
-    var modifyResult;
-    var warnings = captureWarnings(function() {
-      modifyResult = Blockly.navigation.modify_();
-    });
-    chai.assert.isFalse(modifyResult);
-    chai.assert.equal(warnings.length, 1,
-        'Expecting 1 warnings for why modify failed.');
-  }
-  setup(function() {
-    sharedTestSetup.call(this);
-    // NOTE: block positions chosen such that they aren't unintentionally
-    // bumped out of bounds during tests.
-    var xmlText = '<xml xmlns="https://developers.google.com/blockly/xml">' +
-      '<block type="stack_block" id="stack_block_1" x="22" y="38"></block>' +
-      '<block type="stack_block" id="stack_block_2" x="22" y="113"></block>' +
-      '<block type="row_block" id="row_block_1" x="23" y="213"></block>' +
-      '<block type="row_block" id="row_block_2" x="22" y="288"></block>' +
-      '<block type="statement_block" id="statement_block_1" x="22" y="288"></block>' +
-      '<block type="statement_block" id="statement_block_2" x="22" y="288"></block>' +
-    '</xml>';
-    defineStackBlock(this.sharedCleanup);
-    defineRowBlock(this.sharedCleanup);
-    defineStatementBlock(this.sharedCleanup);
-
-    var toolbox = document.getElementById('toolbox-connections');
-    this.workspace = Blockly.inject('blocklyDiv', {toolbox: toolbox});
-    Blockly.Xml.domToWorkspace(Blockly.Xml.textToDom(xmlText), this.workspace);
-
-    this.stack_block_1 = this.workspace.getBlockById('stack_block_1');
-    this.stack_block_2 = this.workspace.getBlockById('stack_block_2');
-    this.row_block_1 = this.workspace.getBlockById('row_block_1');
-    this.row_block_2 = this.workspace.getBlockById('row_block_2');
-    this.statement_block_1 = this.workspace.getBlockById('statement_block_1');
-    this.statement_block_2 = this.workspace.getBlockById('statement_block_2');
-
-    Blockly.navigation.enableKeyboardAccessibility();
-  });
-
-  teardown(function() {
-    sharedTestTeardown.call(this);
-  });
-
-  suite('Marked Connection', function() {
-    // TODO: Marked connection or cursor connection is already connected.
-    suite('Marker on next', function() {
-      setup(function() {
-        this.workspace.getMarker(Blockly.navigation.MARKER_NAME).setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.stack_block_1.nextConnection));
-      });
-      test('Cursor on workspace', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createWorkspaceNode(this.workspace,
-                new Blockly.utils.Coordinate(0, 0)));
-        assertModifyFails();
-      });
-      test('Cursor on compatible connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.stack_block_2.previousConnection));
-        chai.assert.isTrue(Blockly.navigation.modify_());
-        chai.assert.equal(this.stack_block_1.getNextBlock().id, 'stack_block_2');
-      });
-      test('Cursor on incompatible connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.stack_block_2.nextConnection));
-        // Connect method will try to find a way to connect blocks with
-        // incompatible types.
-        chai.assert.isTrue(Blockly.navigation.modify_());
-        chai.assert.equal(this.stack_block_1.getNextBlock(), this.stack_block_2);
-      });
-      test('Cursor on really incompatible connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.row_block_1.outputConnection));
-        assertModifyFails();
-        chai.assert.isNull(this.stack_block_1.getNextBlock());
-      });
-      test('Cursor on block', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createBlockNode(
-                this.stack_block_2));
-        chai.assert.isTrue(Blockly.navigation.modify_());
-        chai.assert.equal(this.stack_block_1.getNextBlock().id, 'stack_block_2');
-      });
-    });
-
-    suite('Marker on previous', function() {
-      setup(function() {
-        this.workspace.getMarker(Blockly.navigation.MARKER_NAME).setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.stack_block_1.previousConnection));
-      });
-      test('Cursor on compatible connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.stack_block_2.nextConnection));
-        chai.assert.isTrue(Blockly.navigation.modify_());
-        chai.assert.equal(this.stack_block_1.getPreviousBlock().id, 'stack_block_2');
-      });
-      test('Cursor on incompatible connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.stack_block_2.previousConnection));
-        assertModifyFails();
-        chai.assert.isNull(this.stack_block_1.getPreviousBlock());
-      });
-      test('Cursor on really incompatible connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.row_block_1.outputConnection));
-        assertModifyFails();
-        chai.assert.isNull(this.stack_block_1.getNextBlock());
-      });
-      test('Cursor on block', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createBlockNode(
-                this.stack_block_2));
-        chai.assert.isTrue(Blockly.navigation.modify_());
-        chai.assert.equal(this.stack_block_1.getPreviousBlock().id, 'stack_block_2');
-      });
-      test('Cursor on incompatible block', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createBlockNode(
-                this.row_block_1));
-        assertModifyFails();
-        chai.assert.isNull(this.stack_block_1.getPreviousBlock());
-      });
-    });
-
-    suite('Marker on value input', function() {
-      setup(function() {
-        this.workspace.getMarker(Blockly.navigation.MARKER_NAME).setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.row_block_1.inputList[0].connection));
-      });
-      test('Cursor on compatible connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.row_block_2.outputConnection));
-        chai.assert.isTrue(Blockly.navigation.modify_());
-        chai.assert.equal(this.row_block_2.getParent().id, 'row_block_1');
-      });
-      test('Cursor on incompatible connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.row_block_2.inputList[0].connection));
-        // Connect method will try to find a way to connect blocks with
-        // incompatible types.
-        chai.assert.isTrue(Blockly.navigation.modify_());
-        chai.assert.equal(this.row_block_1.inputList[0].connection.targetBlock(),
-            this.row_block_2);
-      });
-      test('Cursor on really incompatible connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.stack_block_1.previousConnection));
-        assertModifyFails();
-      });
-      test('Cursor on block', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createBlockNode(
-                this.row_block_2));
-        chai.assert.isTrue(Blockly.navigation.modify_());
-        chai.assert.equal(this.row_block_2.getParent().id, 'row_block_1');
-      });
-    });
-
-    suite('Marked Statement input', function() {
-      setup(function() {
-        this.statement_block_1.inputList[0].connection.connect(
-            this.stack_block_1.previousConnection);
-        this.stack_block_1.nextConnection.connect(this.stack_block_2.previousConnection);
-        this.workspace.getMarker(Blockly.navigation.MARKER_NAME).setCurNode(
-            Blockly.ASTNode.createInputNode(
-                this.statement_block_1.inputList[0]));
-      });
-      test('Cursor on block inside statement', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.stack_block_2.previousConnection));
-        chai.assert.isTrue(Blockly.navigation.modify_());
-        chai.assert.equal(this.stack_block_2.previousConnection.targetBlock(),
-            this.statement_block_1);
-      });
-      test('Cursor on stack', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createStackNode(
-                this.statement_block_2));
-        chai.assert.isTrue(Blockly.navigation.modify_());
-        chai.assert.equal(this.statement_block_2.getParent().id, 'statement_block_1');
-      });
-      test('Cursor on incompatible type', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.row_block_1.outputConnection));
-        assertModifyFails();
-        chai.assert.isNull(this.row_block_1.getParent());
-      });
-
-    });
-
-    suite('Marker on output', function() {
-      setup(function() {
-        this.workspace.getMarker(Blockly.navigation.MARKER_NAME).setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.row_block_1.outputConnection));
-      });
-      test('Cursor on compatible connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.row_block_2.inputList[0].connection));
-        chai.assert.isTrue(Blockly.navigation.modify_());
-        chai.assert.equal(this.row_block_1.getParent().id, 'row_block_2');
-      });
-      test('Cursor on incompatible connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.row_block_2.outputConnection));
-        assertModifyFails();
-      });
-      test('Cursor on really incompatible connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.stack_block_1.previousConnection));
-        assertModifyFails();
-      });
-      test('Cursor on block', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createBlockNode(
-                this.row_block_2));
-        chai.assert.isTrue(Blockly.navigation.modify_());
-        chai.assert.equal(this.row_block_1.getParent().id, 'row_block_2');
-      });
-    });
-  });
-
-
-  suite('Marked Workspace', function() {
-    setup(function() {
-      this.workspace.getMarker(Blockly.navigation.MARKER_NAME).drawer_ = null;
-      this.workspace.getMarker(Blockly.navigation.MARKER_NAME).setCurNode(
-          Blockly.ASTNode.createWorkspaceNode(
-              this.workspace, new Blockly.utils.Coordinate(100, 200)));
-    });
-    test('Cursor on row block', function() {
-      this.workspace.getCursor().setCurNode(
-          Blockly.ASTNode.createBlockNode(
-              this.row_block_1));
-      chai.assert.isTrue(Blockly.navigation.modify_());
-      var pos = this.row_block_1.getRelativeToSurfaceXY();
-      chai.assert.equal(pos.x, 100);
-      chai.assert.equal(pos.y, 200);
-    });
-
-    test('Cursor on output connection', function() {
-      this.workspace.getCursor().setCurNode(
-          Blockly.ASTNode.createConnectionNode(
-              this.row_block_1.outputConnection));
-      chai.assert.isTrue(Blockly.navigation.modify_());
-      var pos = this.row_block_1.getRelativeToSurfaceXY();
-      chai.assert.equal(pos.x, 100);
-      chai.assert.equal(pos.y, 200);
-    });
-
-    test('Cursor on previous connection', function() {
-      this.workspace.getCursor().setCurNode(
-          Blockly.ASTNode.createConnectionNode(
-              this.stack_block_1.previousConnection));
-      chai.assert.isTrue(Blockly.navigation.modify_());
-      var pos = this.stack_block_1.getRelativeToSurfaceXY();
-      chai.assert.equal(pos.x, 100);
-      chai.assert.equal(pos.y, 200);
-    });
-
-    test('Cursor on input connection', function() {
-      this.workspace.getCursor().setCurNode(
-          Blockly.ASTNode.createConnectionNode(
-              this.row_block_1.inputList[0].connection));
-      // Move the source block to the marked location on the workspace.
-      chai.assert.isTrue(Blockly.navigation.modify_());
-    });
-
-    test('Cursor on next connection', function() {
-      this.workspace.getCursor().setCurNode(
-          Blockly.ASTNode.createConnectionNode(
-              this.stack_block_1.nextConnection));
-      // Move the source block to the marked location on the workspace.
-      chai.assert.isTrue(Blockly.navigation.modify_());
-    });
-
-    test('Cursor on child block (row)', function() {
-      this.row_block_1.inputList[0].connection.connect(
-          this.row_block_2.outputConnection);
-
-      this.workspace.getCursor().setCurNode(
-          Blockly.ASTNode.createBlockNode(
-              this.row_block_2));
-
-      chai.assert.isTrue(Blockly.navigation.modify_());
-      chai.assert.isNull(this.row_block_2.getParent());
-      var pos = this.row_block_2.getRelativeToSurfaceXY();
-      chai.assert.equal(pos.x, 100);
-      chai.assert.equal(pos.y, 200);
-    });
-
-    test('Cursor on child block (stack)', function() {
-      this.stack_block_1.nextConnection.connect(
-          this.stack_block_2.previousConnection);
-
-      this.workspace.getCursor().setCurNode(
-          Blockly.ASTNode.createBlockNode(
-              this.stack_block_2));
-
-      chai.assert.isTrue(Blockly.navigation.modify_());
-      chai.assert.isNull(this.stack_block_2.getParent());
-      var pos = this.stack_block_2.getRelativeToSurfaceXY();
-      chai.assert.equal(pos.x, 100);
-      chai.assert.equal(pos.y, 200);
-    });
-
-    test('Cursor on workspace', function() {
-      this.workspace.getCursor().setCurNode(
-          Blockly.ASTNode.createWorkspaceNode(
-              this.workspace, new Blockly.utils.Coordinate(100, 100)));
-      assertModifyFails();
-    });
-  });
-
-  suite('Marked Block', function() {
-    // TODO: Decide whether it ever makes sense to mark a block, and what to do
-    // if so.  For now all of these attempted modifications will fail.
-    suite('Marked any block', function() {
-      // These tests are using a stack block, but do not depend on the type of
-      // the block.
-      setup(function() {
-        this.workspace.getMarker(Blockly.navigation.MARKER_NAME).setCurNode(
-            Blockly.ASTNode.createBlockNode(
-                this.stack_block_1));
-      });
-      test('Cursor on workspace', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createWorkspaceNode(
-                this.workspace, new Blockly.utils.Coordinate(100, 100)));
-        assertModifyFails();
-      });
-    });
-    suite('Marked stack block', function() {
-      setup(function() {
-        this.workspace.getMarker(Blockly.navigation.MARKER_NAME).setCurNode(
-            Blockly.ASTNode.createBlockNode(
-                this.stack_block_1));
-      });
-      test('Cursor on row block', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createBlockNode(
-                this.row_block_1));
-        assertModifyFails();
-      });
-      test('Cursor on stack block', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createBlockNode(
-                this.stack_block_1));
-        assertModifyFails();
-      });
-      test('Cursor on next connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.stack_block_2.nextConnection));
-        assertModifyFails();
-      });
-      test('Cursor on previous connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.stack_block_2.previousConnection));
-        assertModifyFails();
-      });
-    });
-    suite('Marked row block', function() {
-      setup(function() {
-        this.workspace.getMarker(Blockly.navigation.MARKER_NAME).setCurNode(
-            Blockly.ASTNode.createBlockNode(
-                this.row_block_1));
-      });
-      test('Cursor on stack block', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createBlockNode(
-                this.stack_block_1));
-        assertModifyFails();
-      });
-      test('Cursor on row block', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createBlockNode(
-                this.row_block_1));
-        assertModifyFails();
-      });
-      test('Cursor on value input connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.row_block_2.inputList[0].connection));
-        assertModifyFails();
-      });
-      test('Cursor on output connection', function() {
-        this.workspace.getCursor().setCurNode(
-            Blockly.ASTNode.createConnectionNode(
-                this.row_block_2.outputConnection));
-        assertModifyFails();
-      });
-    });
-  });
-});
diff --git a/tests/mocha/navigation_test.js b/tests/mocha/navigation_test.js
deleted file mode 100644
index 9e63cbf45fe..00000000000
--- a/tests/mocha/navigation_test.js
+++ /dev/null
@@ -1,720 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Navigation tests.
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-'use strict';
-
-
-suite('Navigation', function() {
-  function createNavigationWorkspace(enableKeyboardNav) {
-    var toolbox = document.getElementById('toolbox-categories');
-    var workspace = Blockly.inject('blocklyDiv', {toolbox: toolbox});
-    if (enableKeyboardNav) {
-      Blockly.navigation.enableKeyboardAccessibility();
-      Blockly.navigation.currentState_ = Blockly.navigation.STATE_WS;
-    }
-    return workspace;
-  }
-
-  setup(function() {
-    sharedTestSetup.call(this);
-  });
-  teardown(function() {
-    sharedTestTeardown.call(this);
-  });
-
-  // Test that toolbox key handlers call through to the right functions and
-  // transition correctly between toolbox, workspace, and flyout.
-  suite('Tests toolbox keys', function() {
-    setup(function() {
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "basic_block",
-        "message0": "%1",
-        "args0": [
-          {
-            "type": "field_input",
-            "name": "TEXT",
-            "text": "default"
-          }
-        ]
-      }]);
-      this.workspace = createNavigationWorkspace(true);
-      Blockly.navigation.focusToolbox_();
-      this.mockEvent = {
-        getModifierState: function() {
-          return false;
-        }
-      };
-    });
-
-    teardown(function() {
-      workspaceTeardown.call(this, this.workspace);
-    });
-
-    function testToolboxSelectMethodCalled(ws, mockEvent, keyCode, selectMethodName) {
-      mockEvent.keyCode = keyCode;
-      var toolbox = ws.getToolbox();
-      toolbox.selectedItem_ = toolbox.contents_[0];
-      var selectNextStub = sinon.stub(toolbox, selectMethodName);
-      Blockly.navigation.onKeyPress(mockEvent);
-      sinon.assert.called(selectNextStub);
-    }
-
-    test('Calls toolbox selectNext_', function() {
-      testToolboxSelectMethodCalled(this.workspace, this.mockEvent, Blockly.utils.KeyCodes.S, 'selectNext_');
-    });
-    test('Calls toolbox selectPrevious_', function() {
-      testToolboxSelectMethodCalled(this.workspace, this.mockEvent, Blockly.utils.KeyCodes.W, 'selectPrevious_');
-    });
-    test('Calls toolbox selectParent_', function() {
-      testToolboxSelectMethodCalled(this.workspace, this.mockEvent, Blockly.utils.KeyCodes.D, 'selectChild_');
-    });
-    test('Calls toolbox selectChild_', function() {
-      testToolboxSelectMethodCalled(this.workspace, this.mockEvent, Blockly.utils.KeyCodes.A, 'selectParent_');
-    });
-
-    test('Go to flyout', function() {
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.D;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_FLYOUT);
-      var flyoutCursor = Blockly.navigation.getFlyoutCursor_();
-
-      chai.assert.equal(flyoutCursor.getCurNode().getLocation().getFieldValue("TEXT"),
-          "FirstCategory-FirstBlock");
-    });
-
-    test('Focuses workspace from toolbox (e)', function() {
-      Blockly.navigation.currentState_ = Blockly.navigation.STATE_TOOLBOX;
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.E;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_WS);
-    });
-    test('Focuses workspace from toolbox (escape)', function() {
-      Blockly.navigation.currentState_ = Blockly.navigation.STATE_TOOLBOX;
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.E;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_WS);
-    });
-    // More tests:
-    // - nested categories
-  });
-
-  // Test that flyout key handlers call through to the right functions and
-  // transition correctly between toolbox, workspace, and flyout.
-  suite('Tests flyout keys', function() {
-    setup(function() {
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "basic_block",
-        "message0": "%1",
-        "args0": [
-          {
-            "type": "field_input",
-            "name": "TEXT",
-            "text": "default"
-          }
-        ]
-      }]);
-      this.workspace = createNavigationWorkspace(true);
-      Blockly.mainWorkspace = this.workspace;
-      Blockly.navigation.focusToolbox_();
-      Blockly.navigation.focusFlyout_();
-      this.mockEvent = {
-        getModifierState: function() {
-          return false;
-        }
-      };
-    });
-
-    teardown(function() {
-      workspaceTeardown.call(this, this.workspace);
-    });
-
-    // Should be a no-op
-    test('Previous at beginning', function() {
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.W;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_FLYOUT);
-      chai.assert.equal(Blockly.navigation.getFlyoutCursor_().getCurNode().getLocation().getFieldValue("TEXT"),
-          "FirstCategory-FirstBlock");
-    });
-
-    test('Previous', function() {
-      var flyoutBlocks = this.workspace.getFlyout().getWorkspace().getTopBlocks();
-      Blockly.navigation.getFlyoutCursor_().setCurNode(
-          Blockly.ASTNode.createStackNode(flyoutBlocks[1]));
-      var flyoutBlock = Blockly.navigation.getFlyoutCursor_().getCurNode().getLocation();
-      chai.assert.equal(flyoutBlock.getFieldValue("TEXT"),
-          "FirstCategory-SecondBlock");
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.W;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_FLYOUT);
-      flyoutBlock = Blockly.navigation.getFlyoutCursor_().getCurNode().getLocation();
-      chai.assert.equal(flyoutBlock.getFieldValue("TEXT"),
-          "FirstCategory-FirstBlock");
-    });
-
-    test('Next', function() {
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.S;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_FLYOUT);
-      var flyoutBlock = Blockly.navigation.getFlyoutCursor_().getCurNode().getLocation();
-      chai.assert.equal(flyoutBlock.getFieldValue("TEXT"),
-          "FirstCategory-SecondBlock");
-    });
-
-    test('Out', function() {
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.A;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_TOOLBOX);
-    });
-
-    test('MARK', function() {
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.ENTER;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_WS);
-      chai.assert.equal(this.workspace.getTopBlocks().length, 1);
-    });
-
-    test('EXIT', function() {
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.ESC;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_WS);
-    });
-  });
-
-  // Test that workspace key handlers call through to the right functions and
-  // transition correctly between toolbox, workspace, and flyout.
-  suite('Tests workspace keys', function() {
-    setup(function() {
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "basic_block",
-        "message0": "%1",
-        "args0": [
-          {
-            "type": "field_input",
-            "name": "TEXT",
-            "text": "default"
-          }
-        ],
-        "previousStatement": null,
-        "nextStatement": null
-      }]);
-      this.workspace = createNavigationWorkspace(true);
-      this.basicBlock = this.workspace.newBlock('basic_block');
-      this.firstCategory_ = this.workspace.getToolbox().contents_[0];
-      this.mockEvent = {
-        getModifierState: function() {
-          return false;
-        }
-      };
-    });
-
-    teardown(function() {
-      workspaceTeardown.call(this, this.workspace);
-    });
-
-    test('Previous', function() {
-      sinon.spy(this.workspace.getCursor(), 'prev');
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.W;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      sinon.assert.calledOnce(this.workspace.getCursor().prev);
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_WS);
-      this.workspace.getCursor().prev.restore();
-    });
-
-    test('Next', function() {
-      var cursor = this.workspace.getCursor();
-      sinon.spy(cursor, 'next');
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.S;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      sinon.assert.calledOnce(cursor.next);
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_WS);
-      cursor.next.restore();
-    });
-
-    test('Out', function() {
-      var cursor = this.workspace.getCursor();
-      sinon.spy(cursor, 'out');
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.A;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      sinon.assert.calledOnce(cursor.out);
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_WS);
-      cursor.out.restore();
-    });
-
-    test('In', function() {
-      var cursor = this.workspace.getCursor();
-      sinon.spy(cursor, 'in');
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.D;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      sinon.assert.calledOnce(cursor.in);
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_WS);
-      cursor.in.restore();
-    });
-
-    test('Insert', function() {
-      // Stub modify as we are not testing its behavior, only if it was called.
-      // Otherwise, there is a warning because there is no marked node.
-      sinon.stub(Blockly.navigation, 'modify_');
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.I;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      sinon.assert.calledOnce(Blockly.navigation.modify_);
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_WS);
-      Blockly.navigation.modify_.restore();
-    });
-
-    test('Mark', function() {
-      this.workspace.getCursor().setCurNode(
-          Blockly.ASTNode.createConnectionNode(this.basicBlock.previousConnection));
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.ENTER;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      var markedNode = this.workspace.getMarker(Blockly.navigation.MARKER_NAME).getCurNode();
-      chai.assert.equal(markedNode.getLocation(), this.basicBlock.previousConnection);
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_WS);
-    });
-
-    test('Toolbox', function() {
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.T;
-      chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      chai.assert.equal(this.workspace.getToolbox().getSelectedItem(), this.firstCategory_);
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_TOOLBOX);
-    });
-  });
-
-  suite('Test key press', function() {
-    setup(function() {
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "basic_block",
-        "message0": "%1",
-        "args0": [
-          {
-            "type": "field_dropdown",
-            "name": "OP",
-            "options": [
-              ["%{BKY_MATH_ADDITION_SYMBOL}", "ADD"],
-              ["%{BKY_MATH_SUBTRACTION_SYMBOL}", "MINUS"],
-              ["%{BKY_MATH_MULTIPLICATION_SYMBOL}", "MULTIPLY"],
-              ["%{BKY_MATH_DIVISION_SYMBOL}", "DIVIDE"],
-              ["%{BKY_MATH_POWER_SYMBOL}", "POWER"]
-            ]
-          }
-        ]
-      }]);
-      this.workspace = createNavigationWorkspace(true);
-      this.workspace.getCursor().drawer_ = null;
-      this.basicBlock = this.workspace.newBlock('basic_block');
-      Blockly.user.keyMap.setKeyMap(Blockly.user.keyMap.createDefaultKeyMap());
-      Blockly.mainWorkspace = this.workspace;
-      Blockly.getMainWorkspace().keyboardAccessibilityMode = true;
-      Blockly.navigation.currentState_ = Blockly.navigation.STATE_WS;
-
-      this.mockEvent = {
-        getModifierState: function() {
-          return false;
-        }
-      };
-    });
-    teardown(function() {
-      workspaceTeardown.call(this, this.workspace);
-    });
-    test('Action does not exist', function() {
-      var block = this.workspace.getTopBlocks()[0];
-      var field = block.inputList[0].fieldRow[0];
-      sinon.spy(field, 'onBlocklyAction');
-      this.workspace.getCursor().setCurNode(Blockly.ASTNode.createFieldNode(field));
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.N;
-      var isHandled = Blockly.navigation.onKeyPress(this.mockEvent);
-      chai.assert.isFalse(isHandled);
-      sinon.assert.notCalled(field.onBlocklyAction);
-
-      field.onBlocklyAction.restore();
-    });
-
-    test('Action exists - field handles action', function() {
-      var block = this.workspace.getTopBlocks()[0];
-      var field = block.inputList[0].fieldRow[0];
-
-      sinon.stub(field, 'onBlocklyAction').returns(true);
-      this.workspace.getCursor().setCurNode(Blockly.ASTNode.createFieldNode(field));
-
-      var isHandled = Blockly.navigation.onBlocklyAction(Blockly.navigation.ACTION_OUT);
-      chai.assert.isTrue(isHandled);
-      sinon.assert.calledOnce(field.onBlocklyAction);
-
-      field.onBlocklyAction.restore();
-    });
-
-    test('Action exists - field does not handle action', function() {
-      var block = this.workspace.getTopBlocks()[0];
-      var field = block.inputList[0].fieldRow[0];
-      sinon.spy(field, 'onBlocklyAction');
-      this.workspace.getCursor().setCurNode(Blockly.ASTNode.createFieldNode(field));
-
-      this.mockEvent.keyCode = Blockly.utils.KeyCodes.A;
-      var isHandled = Blockly.navigation.onBlocklyAction(Blockly.navigation.ACTION_OUT);
-      chai.assert.isTrue(isHandled);
-      sinon.assert.calledOnce(field.onBlocklyAction);
-
-      field.onBlocklyAction.restore();
-    });
-
-    test('Toggle Action Off', function() {
-      this.mockEvent.keyCode = 'ShiftControl75';
-      sinon.spy(Blockly.navigation, 'onBlocklyAction');
-      Blockly.getMainWorkspace().keyboardAccessibilityMode = true;
-
-      var isHandled = Blockly.navigation.onKeyPress(this.mockEvent);
-      chai.assert.isTrue(isHandled);
-      sinon.assert.calledOnce(Blockly.navigation.onBlocklyAction);
-      chai.assert.isFalse(Blockly.getMainWorkspace().keyboardAccessibilityMode);
-      Blockly.navigation.onBlocklyAction.restore();
-    });
-
-    test('Toggle Action On', function() {
-      this.mockEvent.keyCode = 'ShiftControl75';
-      sinon.stub(Blockly.navigation, 'focusWorkspace_');
-      Blockly.getMainWorkspace().keyboardAccessibilityMode = false;
-
-      var isHandled = Blockly.navigation.onKeyPress(this.mockEvent);
-      chai.assert.isTrue(isHandled);
-      sinon.assert.calledOnce(Blockly.navigation.focusWorkspace_);
-      chai.assert.isTrue(Blockly.getMainWorkspace().keyboardAccessibilityMode);
-      Blockly.navigation.focusWorkspace_.restore();
-    });
-
-    suite('Test key press in read only mode', function() {
-      setup(function() {
-        Blockly.defineBlocksWithJsonArray([{
-          "type": "field_block",
-          "message0": "%1 %2",
-          "args0": [
-            {
-              "type": "field_dropdown",
-              "name": "NAME",
-              "options": [
-                [
-                  "a",
-                  "optionA"
-                ]
-              ]
-            },
-            {
-              "type": "input_value",
-              "name": "NAME"
-            }
-          ],
-          "previousStatement": null,
-          "nextStatement": null,
-          "colour": 230,
-          "tooltip": "",
-          "helpUrl": ""
-        }]);
-        this.workspace = Blockly.inject('blocklyDiv', {readOnly: true});
-
-        Blockly.mainWorkspace = this.workspace;
-        this.workspace.getCursor().drawer_ = null;
-        Blockly.getMainWorkspace().keyboardAccessibilityMode = true;
-        Blockly.navigation.currentState_ = Blockly.navigation.STATE_WS;
-
-        this.fieldBlock1 = this.workspace.newBlock('field_block');
-        this.mockEvent = {
-          getModifierState: function() {
-            return false;
-          }
-        };
-      });
-
-      teardown(function() {
-        workspaceTeardown.call(this, this.workspace);
-      });
-
-      test('Perform valid action for read only', function() {
-        var astNode = Blockly.ASTNode.createBlockNode(this.fieldBlock1);
-        this.workspace.getCursor().setCurNode(astNode);
-        this.mockEvent.keyCode = Blockly.utils.KeyCodes.S;
-        chai.assert.isTrue(Blockly.navigation.onKeyPress(this.mockEvent));
-      });
-
-      test('Perform invalid action for read only', function() {
-        var astNode = Blockly.ASTNode.createBlockNode(this.fieldBlock1);
-        this.workspace.getCursor().setCurNode(astNode);
-        this.mockEvent.keyCode = Blockly.utils.KeyCodes.I;
-        chai.assert.isFalse(Blockly.navigation.onKeyPress(this.mockEvent));
-      });
-
-      test('Try to perform action on a field', function() {
-        var field = this.fieldBlock1.inputList[0].fieldRow[0];
-        var astNode = Blockly.ASTNode.createFieldNode(field);
-        this.workspace.getCursor().setCurNode(astNode);
-        this.mockEvent.keyCode = Blockly.utils.KeyCodes.ENTER;
-        chai.assert.isFalse(Blockly.navigation.onKeyPress(this.mockEvent));
-      });
-    });
-  });
-
-  suite('Insert Functions', function() {
-    setup(function() {
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "basic_block",
-        "message0": "%1",
-        "args0": [
-          {
-            "type": "field_input",
-            "name": "TEXT",
-            "text": "default"
-          }
-        ],
-        "previousStatement": null,
-        "nextStatement": null,
-      }]);
-
-      this.workspace = createNavigationWorkspace(true);
-
-      var basicBlock = this.workspace.newBlock('basic_block');
-      var basicBlock2 = this.workspace.newBlock('basic_block');
-
-      this.basicBlock = basicBlock;
-      this.basicBlock2 = basicBlock2;
-    });
-
-    teardown(function() {
-      workspaceTeardown.call(this, this.workspace);
-    });
-
-    test('Insert from flyout with a valid connection marked', function() {
-      var previousConnection = this.basicBlock.previousConnection;
-      var prevNode = Blockly.ASTNode.createConnectionNode(previousConnection);
-      this.workspace.getMarker(Blockly.navigation.MARKER_NAME).setCurNode(prevNode);
-
-      Blockly.navigation.focusToolbox_();
-      Blockly.navigation.focusFlyout_();
-      Blockly.navigation.insertFromFlyout();
-
-      var insertedBlock = this.basicBlock.previousConnection.targetBlock();
-
-      chai.assert.isTrue(insertedBlock !== null);
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_WS);
-    });
-
-    test('Insert Block from flyout without marking a connection', function() {
-      Blockly.navigation.focusToolbox_();
-      Blockly.navigation.focusFlyout_();
-      Blockly.navigation.insertFromFlyout();
-
-      var numBlocks = this.workspace.getTopBlocks().length;
-
-      // Make sure the block was not connected to anything
-      chai.assert.isNull(this.basicBlock.previousConnection.targetConnection);
-      chai.assert.isNull(this.basicBlock.nextConnection.targetConnection);
-
-      // Make sure that the block was added to the workspace
-      chai.assert.equal(numBlocks, 3);
-      chai.assert.equal(Blockly.navigation.currentState_,
-          Blockly.navigation.STATE_WS);
-    });
-
-    test('Connect two blocks that are on the workspace', function() {
-      var targetNode = Blockly.ASTNode.createConnectionNode(this.basicBlock.previousConnection);
-      this.workspace.getMarker(Blockly.navigation.MARKER_NAME).setCurNode(targetNode);
-
-      var sourceNode = Blockly.ASTNode.createConnectionNode(this.basicBlock2.nextConnection);
-      this.workspace.getCursor().setCurNode(sourceNode);
-
-      Blockly.navigation.modify_();
-      var insertedBlock = this.basicBlock.previousConnection.targetBlock();
-
-      chai.assert.isNotNull(insertedBlock);
-    });
-  });
-
-  suite('Connect Blocks', function() {
-    setup(function() {
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "basic_block",
-        "message0": "",
-        "previousStatement": null,
-        "nextStatement": null,
-      },
-      {
-        "type": "inline_block",
-        "message0": "%1 %2",
-        "args0": [
-          {
-            "type": "input_value",
-            "name": "NAME"
-          },
-          {
-            "type": "input_value",
-            "name": "NAME"
-          }
-        ],
-        "inputsInline": true,
-        "output": null,
-        "tooltip": "",
-        "helpUrl": ""
-      }]);
-
-      this.workspace = createNavigationWorkspace(true);
-
-      var basicBlock = this.workspace.newBlock('basic_block');
-      var basicBlock2 = this.workspace.newBlock('basic_block');
-      var basicBlock3 = this.workspace.newBlock('basic_block');
-      var basicBlock4 = this.workspace.newBlock('basic_block');
-
-      var inlineBlock1 = this.workspace.newBlock('inline_block');
-      var inlineBlock2 = this.workspace.newBlock('inline_block');
-
-
-      this.basicBlock = basicBlock;
-      this.basicBlock2 = basicBlock2;
-      this.basicBlock3 = basicBlock3;
-      this.basicBlock4 = basicBlock4;
-
-      this.inlineBlock1 = inlineBlock1;
-      this.inlineBlock2 = inlineBlock2;
-
-      this.basicBlock.nextConnection.connect(this.basicBlock2.previousConnection);
-
-      this.basicBlock3.nextConnection.connect(this.basicBlock4.previousConnection);
-
-      this.inlineBlock1.inputList[0].connection.connect(this.inlineBlock2.outputConnection);
-    });
-
-    teardown(function() {
-      workspaceTeardown.call(this, this.workspace);
-    });
-
-    test('Connect cursor on previous into stack', function() {
-      var markedLocation = this.basicBlock2.previousConnection;
-      var cursorLocation = this.basicBlock3.previousConnection;
-
-      Blockly.navigation.connect_(cursorLocation, markedLocation);
-
-      chai.assert.equal(this.basicBlock.nextConnection.targetBlock(), this.basicBlock3);
-      chai.assert.equal(this.basicBlock2.previousConnection.targetBlock(), this.basicBlock4);
-    });
-
-    test('Connect marker on previous into stack', function() {
-      var markedLocation = this.basicBlock3.previousConnection;
-      var cursorLocation = this.basicBlock2.previousConnection;
-
-      Blockly.navigation.connect_(cursorLocation, markedLocation);
-
-      chai.assert.equal(this.basicBlock.nextConnection.targetBlock(), this.basicBlock3);
-      chai.assert.equal(this.basicBlock2.previousConnection.targetBlock(), this.basicBlock4);
-
-    });
-
-    test('Connect cursor on next into stack', function() {
-      var markedLocation = this.basicBlock2.previousConnection;
-      var cursorLocation = this.basicBlock4.nextConnection;
-
-      Blockly.navigation.connect_(cursorLocation, markedLocation);
-
-      chai.assert.equal(this.basicBlock.nextConnection.targetBlock(), this.basicBlock4);
-      chai.assert.isNull(this.basicBlock3.nextConnection.targetConnection);
-    });
-
-    test('Connect cursor with parents', function() {
-      var markedLocation = this.basicBlock3.previousConnection;
-      var cursorLocation = this.basicBlock2.nextConnection;
-
-      Blockly.navigation.connect_(cursorLocation, markedLocation);
-
-      chai.assert.equal(this.basicBlock3.previousConnection.targetBlock(), this.basicBlock2);
-    });
-
-    test('Try to connect input that is descendant of output', function() {
-      var markedLocation = this.inlineBlock2.inputList[0].connection;
-      var cursorLocation = this.inlineBlock1.outputConnection;
-
-      Blockly.navigation.connect_(cursorLocation, markedLocation);
-
-      chai.assert.isNull(this.inlineBlock2.outputConnection.targetBlock());
-      chai.assert.equal(this.inlineBlock1.outputConnection.targetBlock(), this.inlineBlock2);
-    });
-  });
-
-
-  suite('Test cursor move on block delete', function() {
-    setup(function() {
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "basic_block",
-        "message0": "",
-        "previousStatement": null,
-        "nextStatement": null,
-      }]);
-      this.workspace = createNavigationWorkspace(true);
-      this.basicBlockA = this.workspace.newBlock('basic_block');
-      this.basicBlockB = this.workspace.newBlock('basic_block');
-    });
-
-    teardown(function() {
-      workspaceTeardown.call(this, this.workspace);
-    });
-
-    test('Delete block - has parent ', function() {
-      this.basicBlockA.nextConnection.connect(this.basicBlockB.previousConnection);
-      var astNode = Blockly.ASTNode.createBlockNode(this.basicBlockB);
-      // Set the cursor to be on the child block
-      this.workspace.getCursor().setCurNode(astNode);
-      // Remove the child block
-      this.basicBlockB.dispose();
-      chai.assert.equal(this.workspace.getCursor().getCurNode().getType(),
-          Blockly.ASTNode.types.NEXT);
-    });
-
-    test('Delete block - no parent ', function() {
-      var astNode = Blockly.ASTNode.createBlockNode(this.basicBlockB);
-      this.workspace.getCursor().setCurNode(astNode);
-      this.basicBlockB.dispose();
-      chai.assert.equal(this.workspace.getCursor().getCurNode().getType(),
-          Blockly.ASTNode.types.WORKSPACE);
-    });
-
-    test('Delete parent block', function() {
-      this.basicBlockA.nextConnection.connect(this.basicBlockB.previousConnection);
-      var astNode = Blockly.ASTNode.createBlockNode(this.basicBlockB);
-      // Set the cursor to be on the child block
-      this.workspace.getCursor().setCurNode(astNode);
-      // Remove the parent block
-      this.basicBlockA.dispose();
-      chai.assert.equal(this.workspace.getCursor().getCurNode().getType(),
-          Blockly.ASTNode.types.WORKSPACE);
-    });
-
-    test('Delete top block in stack', function() {
-      this.basicBlockA.nextConnection.connect(this.basicBlockB.previousConnection);
-      var astNode = Blockly.ASTNode.createStackNode(this.basicBlockA);
-      // Set the cursor to be on the stack
-      this.workspace.getCursor().setCurNode(astNode);
-      // Remove the top block in the stack
-      this.basicBlockA.dispose();
-      chai.assert.equal(this.workspace.getCursor().getCurNode().getType(),
-          Blockly.ASTNode.types.WORKSPACE);
-    });
-  });
-});
diff --git a/tests/mocha/old_workspace_comment_test.js b/tests/mocha/old_workspace_comment_test.js
new file mode 100644
index 00000000000..3bef493f3d2
--- /dev/null
+++ b/tests/mocha/old_workspace_comment_test.js
@@ -0,0 +1,267 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite.skip('Workspace comment', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('getTopComments(ordered=true)', function () {
+    test('No comments', function () {
+      chai.assert.equal(this.workspace.getTopComments(true).length, 0);
+    });
+
+    test('One comment', function () {
+      const comment = new Blockly.WorkspaceComment(
+        this.workspace,
+        'comment text',
+        0,
+        0,
+        'comment id',
+      );
+      chai.assert.equal(this.workspace.getTopComments(true).length, 1);
+      chai.assert.equal(this.workspace.commentDB.get('comment id'), comment);
+    });
+
+    test('After clear empty workspace', function () {
+      this.workspace.clear();
+      chai.assert.equal(this.workspace.getTopComments(true).length, 0);
+    });
+
+    test('After clear non-empty workspace', function () {
+      new Blockly.WorkspaceComment(
+        this.workspace,
+        'comment text',
+        0,
+        0,
+        'comment id',
+      );
+      this.workspace.clear();
+      chai.assert.equal(this.workspace.getTopComments(true).length, 0);
+      chai.assert.isFalse(this.workspace.commentDB.has('comment id'));
+    });
+
+    test('After dispose', function () {
+      const comment = new Blockly.WorkspaceComment(
+        this.workspace,
+        'comment text',
+        0,
+        0,
+        'comment id',
+      );
+      comment.dispose();
+      chai.assert.equal(this.workspace.getTopComments(true).length, 0);
+      chai.assert.isFalse(this.workspace.commentDB.has('comment id'));
+    });
+  });
+
+  suite('getTopComments(ordered=false)', function () {
+    test('No comments', function () {
+      chai.assert.equal(this.workspace.getTopComments(false).length, 0);
+    });
+
+    test('One comment', function () {
+      const comment = new Blockly.WorkspaceComment(
+        this.workspace,
+        'comment text',
+        0,
+        0,
+        'comment id',
+      );
+      chai.assert.equal(this.workspace.getTopComments(false).length, 1);
+      chai.assert.equal(this.workspace.commentDB.get('comment id'), comment);
+    });
+
+    test('After clear empty workspace', function () {
+      this.workspace.clear();
+      chai.assert.equal(this.workspace.getTopComments(false).length, 0);
+    });
+
+    test('After clear non-empty workspace', function () {
+      new Blockly.WorkspaceComment(
+        this.workspace,
+        'comment text',
+        0,
+        0,
+        'comment id',
+      );
+      this.workspace.clear();
+      chai.assert.equal(this.workspace.getTopComments(false).length, 0);
+      chai.assert.isFalse(this.workspace.commentDB.has('comment id'));
+    });
+
+    test('After dispose', function () {
+      const comment = new Blockly.WorkspaceComment(
+        this.workspace,
+        'comment text',
+        0,
+        0,
+        'comment id',
+      );
+      comment.dispose();
+      chai.assert.equal(this.workspace.getTopComments(false).length, 0);
+      chai.assert.isFalse(this.workspace.commentDB.has('comment id'));
+    });
+  });
+
+  suite('getCommentById', function () {
+    test('Trivial', function () {
+      const comment = new Blockly.WorkspaceComment(
+        this.workspace,
+        'comment text',
+        0,
+        0,
+        'comment id',
+      );
+      chai.assert.equal(this.workspace.getCommentById(comment.id), comment);
+    });
+
+    test('Null id', function () {
+      chai.assert.isNull(this.workspace.getCommentById(null));
+    });
+
+    test('Non-existent id', function () {
+      chai.assert.isNull(this.workspace.getCommentById('badId'));
+    });
+
+    test('After dispose', function () {
+      const comment = new Blockly.WorkspaceComment(
+        this.workspace,
+        'comment text',
+        0,
+        0,
+        'comment id',
+      );
+      comment.dispose();
+      chai.assert.isNull(this.workspace.getCommentById(comment.id));
+    });
+  });
+
+  suite('dispose', function () {
+    test('Called twice', function () {
+      const comment = new Blockly.WorkspaceComment(
+        this.workspace,
+        'comment text',
+        0,
+        0,
+        'comment id',
+      );
+      comment.dispose();
+      // Nothing should go wrong the second time dispose is called.
+      comment.dispose();
+    });
+  });
+
+  suite('Width and height', function () {
+    setup(function () {
+      this.comment = new Blockly.WorkspaceComment(
+        this.workspace,
+        'comment text',
+        10,
+        20,
+        'comment id',
+      );
+    });
+
+    test('Initial values', function () {
+      chai.assert.equal(this.comment.getWidth(), 20, 'Width');
+      chai.assert.equal(this.comment.getHeight(), 10, 'Height');
+    });
+
+    test('setWidth does not affect height', function () {
+      this.comment.setWidth(30);
+      chai.assert.equal(this.comment.getWidth(), 30, 'Width');
+      chai.assert.equal(this.comment.getHeight(), 10, 'Height');
+    });
+
+    test('setHeight does not affect width', function () {
+      this.comment.setHeight(30);
+      chai.assert.equal(this.comment.getWidth(), 20, 'Width');
+      chai.assert.equal(this.comment.getHeight(), 30, 'Height');
+    });
+  });
+
+  suite('XY position', function () {
+    setup(function () {
+      this.comment = new Blockly.WorkspaceComment(
+        this.workspace,
+        'comment text',
+        10,
+        20,
+        'comment id',
+      );
+    });
+
+    test('Initial position', function () {
+      const xy = this.comment.getRelativeToSurfaceXY();
+      chai.assert.equal(xy.x, 0, 'Initial X position');
+      chai.assert.equal(xy.y, 0, 'Initial Y position');
+    });
+
+    test('moveBy', function () {
+      this.comment.moveBy(10, 100);
+      const xy = this.comment.getRelativeToSurfaceXY();
+      chai.assert.equal(xy.x, 10, 'New X position');
+      chai.assert.equal(xy.y, 100, 'New Y position');
+    });
+  });
+
+  suite('Content', function () {
+    setup(function () {
+      this.comment = new Blockly.WorkspaceComment(
+        this.workspace,
+        'comment text',
+        0,
+        0,
+        'comment id',
+      );
+    });
+
+    teardown(function () {
+      sinon.restore();
+    });
+
+    test('After creation', function () {
+      chai.assert.equal(this.comment.getContent(), 'comment text');
+      chai.assert.equal(
+        this.workspace.undoStack_.length,
+        1,
+        'Workspace undo stack',
+      );
+    });
+
+    test('Set to same value', function () {
+      this.comment.setContent('comment text');
+      chai.assert.equal(this.comment.getContent(), 'comment text');
+      // Setting the text to the old value does not fire an event.
+      chai.assert.equal(
+        this.workspace.undoStack_.length,
+        1,
+        'Workspace undo stack',
+      );
+    });
+
+    test('Set to different value', function () {
+      this.comment.setContent('new comment text');
+      chai.assert.equal(this.comment.getContent(), 'new comment text');
+      chai.assert.equal(
+        this.workspace.undoStack_.length,
+        2,
+        'Workspace undo stack',
+      );
+    });
+  });
+});
diff --git a/tests/mocha/procedure_map_test.js b/tests/mocha/procedure_map_test.js
new file mode 100644
index 00000000000..67d62b6eeec
--- /dev/null
+++ b/tests/mocha/procedure_map_test.js
@@ -0,0 +1,56 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {
+  assertEventFiredShallow,
+  assertEventNotFired,
+  createChangeListenerSpy,
+} from './test_helpers/events.js';
+import {MockProcedureModel} from './test_helpers/procedures.js';
+
+suite('Procedure Map', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.workspace = new Blockly.Workspace();
+    this.procedureMap = this.workspace.getProcedureMap();
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('publishing', function () {
+    test('inserting a procedure tells it to start publishing', function () {
+      const procedureModel = new MockProcedureModel();
+      const spy = sinon.spy(procedureModel, 'startPublishing');
+      this.procedureMap.set(procedureModel.getId(), procedureModel);
+
+      chai.assert.isTrue(spy.called, 'Expected the model to start publishing');
+    });
+
+    test('adding a procedure tells it to start publishing', function () {
+      const procedureModel = new MockProcedureModel();
+      const spy = sinon.spy(procedureModel, 'startPublishing');
+      this.procedureMap.add(procedureModel);
+
+      chai.assert.isTrue(spy.called, 'Expected the model to start publishing');
+    });
+
+    test('deleting a procedure tells it to stop publishing', function () {
+      const procedureModel = new MockProcedureModel();
+      const spy = sinon.spy(procedureModel, 'stopPublishing');
+      this.procedureMap.add(procedureModel);
+
+      this.procedureMap.delete(procedureModel.getId());
+
+      chai.assert.isTrue(spy.calledOnce, 'Expected the model stop publishing');
+    });
+  });
+});
diff --git a/tests/mocha/procedures_test.js b/tests/mocha/procedures_test.js
deleted file mode 100644
index 4616e252b97..00000000000
--- a/tests/mocha/procedures_test.js
+++ /dev/null
@@ -1,826 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-goog.require('Blockly.Blocks.procedures');
-goog.require('Blockly.Msg');
-
-suite('Procedures', function() {
-  setup(function() {
-    sharedTestSetup.call(this);
-    this.workspace = new Blockly.Workspace();
-
-    this.callForAllTypes = function(func, startName) {
-      var typesArray = [
-        ['procedures_defnoreturn', 'procedures_callnoreturn'],
-        ['procedures_defreturn', 'procedures_callreturn']
-      ];
-
-      for (var i = 0, types; (types = typesArray[i]); i++) {
-        var context = Object.create(null);
-        context.workspace = this.workspace;
-        context.defType = types[0];
-        context.callType = types[1];
-
-        context.defBlock = new Blockly.Block(this.workspace, context.defType);
-        context.defBlock.setFieldValue(startName, 'NAME');
-        context.callBlock = new Blockly.Block(this.workspace, context.callType);
-        context.callBlock.setFieldValue(startName, 'NAME');
-        context.stub = sinon.stub(
-            context.defBlock.getField('NAME'), 'resizeEditor_');
-        func.call(context);
-        context.defBlock.dispose();
-        context.callBlock.dispose();
-        context.stub.restore();
-      }
-    };
-  });
-  teardown(function() {
-    sharedTestTeardown.call(this);
-  });
-
-  suite('allProcedures', function() {
-    test('Only Procedures', function() {
-      var noReturnBlock = new Blockly.Block(this.workspace, 'procedures_defnoreturn');
-      noReturnBlock.setFieldValue('no return', 'NAME');
-      var returnBlock = new Blockly.Block(this.workspace, 'procedures_defreturn');
-      returnBlock.setFieldValue('return', 'NAME');
-
-      var allProcedures = Blockly.Procedures.allProcedures(this.workspace);
-      chai.assert.lengthOf(allProcedures, 2);
-      
-      chai.assert.lengthOf(allProcedures[0], 1);
-      chai.assert.equal(allProcedures[0][0][0], 'no return');
-
-      chai.assert.lengthOf(allProcedures[1], 1);
-      chai.assert.equal(allProcedures[1][0][0], 'return');
-    });
-    test('Multiple Blocks', function() {
-      var noReturnBlock = new Blockly.Block(this.workspace, 'procedures_defnoreturn');
-      noReturnBlock.setFieldValue('no return', 'NAME');
-      var returnBlock = new Blockly.Block(this.workspace, 'procedures_defreturn');
-      returnBlock.setFieldValue('return', 'NAME');
-      var returnBlock2 = new Blockly.Block(this.workspace, 'procedures_defreturn');
-      returnBlock2.setFieldValue('return2', 'NAME');
-      var _ = new Blockly.Block(this.workspace, 'controls_if');
-
-      var allProcedures = Blockly.Procedures.allProcedures(this.workspace);
-      chai.assert.lengthOf(allProcedures, 2);
-      
-      chai.assert.lengthOf(allProcedures[0], 1);
-      chai.assert.equal(allProcedures[0][0][0], 'no return');
-
-      chai.assert.lengthOf(allProcedures[1], 2);
-      chai.assert.equal(allProcedures[1][0][0], 'return');
-      chai.assert.equal(allProcedures[1][1][0], 'return2');
-    });
-    test('No Procedures', function() {
-      var _ = new Blockly.Block(this.workspace, 'controls_if');
-      var allProcedures = Blockly.Procedures.allProcedures(this.workspace);
-      chai.assert.lengthOf(allProcedures, 2);
-      chai.assert.lengthOf(allProcedures[0], 0, 'No procedures_defnoreturn blocks expected');
-      chai.assert.lengthOf(allProcedures[1], 0, 'No procedures_defreturn blocks expected');
-    });
-  });
-  suite('isNameUsed', function() {
-    test('No Blocks', function() {
-      chai.assert.isFalse(
-          Blockly.Procedures.isNameUsed('name1', this.workspace)
-      );
-    });
-    test('True', function() {
-      this.callForAllTypes(function() {
-        chai.assert.isTrue(
-            Blockly.Procedures.isNameUsed('name1', this.workspace)
-        );
-      }, 'name1');
-    });
-    test('False', function() {
-      this.callForAllTypes(function() {
-        chai.assert.isFalse(
-            Blockly.Procedures.isNameUsed('name2', this.workspace)
-        );
-      }, 'name1');
-    });
-  });
-  suite('rename', function() {
-    test('Simple, Programmatic', function() {
-      this.callForAllTypes(function() {
-        this.defBlock.setFieldValue(
-            this.defBlock.getFieldValue('NAME') + '2',
-            'NAME'
-        );
-        chai.assert.equal(this.defBlock.getFieldValue('NAME'), 'start name2');
-        chai.assert.equal(this.callBlock.getFieldValue('NAME'), 'start name2');
-      }, 'start name');
-    });
-    test('Simple, Input', function() {
-      this.callForAllTypes(function() {
-        var defInput = this.defBlock.getField('NAME');
-        defInput.htmlInput_ = Object.create(null);
-        defInput.htmlInput_.oldValue_ = 'start name';
-        defInput.htmlInput_.untypedDefaultValue_ = 'start name';
-
-        defInput.htmlInput_.value = defInput.htmlInput_.oldValue_ + '2';
-        defInput.onHtmlInputChange_(null);
-        chai.assert.equal(this.defBlock.getFieldValue('NAME'), 'start name2');
-        chai.assert.equal(this.callBlock.getFieldValue('NAME'), 'start name2');
-      }, 'start name');
-    });
-    test('lower -> CAPS', function() {
-      this.callForAllTypes(function() {
-        var defInput = this.defBlock.getField('NAME');
-        defInput.htmlInput_ = Object.create(null);
-        defInput.htmlInput_.oldValue_ = 'start name';
-        defInput.htmlInput_.untypedDefaultValue_ = 'start name';
-
-        defInput.htmlInput_.value = 'START NAME';
-        defInput.onHtmlInputChange_(null);
-        chai.assert.equal(this.defBlock.getFieldValue('NAME'), 'START NAME');
-        chai.assert.equal(this.callBlock.getFieldValue('NAME'), 'START NAME');
-      }, 'start name');
-    });
-    test('CAPS -> lower', function() {
-      this.callForAllTypes(function() {
-        var defInput = this.defBlock.getField('NAME');
-        defInput.htmlInput_ = Object.create(null);
-        defInput.htmlInput_.oldValue_ = 'START NAME';
-        defInput.htmlInput_.untypedDefaultValue_ = 'START NAME';
-
-        defInput.htmlInput_.value = 'start name';
-        defInput.onHtmlInputChange_(null);
-        chai.assert.equal(this.defBlock.getFieldValue('NAME'), 'start name');
-        chai.assert.equal(this.callBlock.getFieldValue('NAME'), 'start name');
-      }, 'START NAME');
-    });
-    test('Whitespace', function() {
-      this.callForAllTypes(function() {
-        var defInput = this.defBlock.getField('NAME');
-        defInput.htmlInput_ = Object.create(null);
-        defInput.htmlInput_.oldValue_ = 'start name';
-        defInput.htmlInput_.untypedDefaultValue_ = 'start name';
-
-        defInput.htmlInput_.value = defInput.htmlInput_.oldValue_ + ' ';
-        defInput.onHtmlInputChange_(null);
-        chai.assert.equal(this.defBlock.getFieldValue('NAME'), 'start name');
-        chai.assert.equal(this.callBlock.getFieldValue('NAME'), 'start name');
-      }, 'start name');
-    });
-    test('Whitespace then Text', function() {
-      this.callForAllTypes(function() {
-        var defInput = this.defBlock.getField('NAME');
-        defInput.htmlInput_ = Object.create(null);
-        defInput.htmlInput_.oldValue_ = 'start name';
-        defInput.htmlInput_.untypedDefaultValue_ = 'start name';
-
-        defInput.htmlInput_.value = defInput.htmlInput_.oldValue_ + ' ';
-        defInput.onHtmlInputChange_(null);
-        defInput.htmlInput_.value = defInput.htmlInput_.oldValue_ + '2';
-        defInput.onHtmlInputChange_(null);
-        chai.assert.equal(this.defBlock.getFieldValue('NAME'), 'start name 2');
-        chai.assert.equal(this.callBlock.getFieldValue('NAME'), 'start name 2');
-      }, 'start name');
-    });
-    test('Set Empty', function() {
-      this.callForAllTypes(function() {
-        var defInput = this.defBlock.getField('NAME');
-        defInput.htmlInput_ = Object.create(null);
-        defInput.htmlInput_.oldValue_ = 'start name';
-        defInput.htmlInput_.untypedDefaultValue_ = 'start name';
-
-        defInput.htmlInput_.value = '';
-        defInput.onHtmlInputChange_(null);
-        chai.assert.equal(
-            this.defBlock.getFieldValue('NAME'),
-            Blockly.Msg['UNNAMED_KEY']);
-        chai.assert.equal(
-            this.callBlock.getFieldValue('NAME'),
-            Blockly.Msg['UNNAMED_KEY']);
-      }, 'start name');
-    });
-    test('Set Empty, and Create New', function() {
-      this.callForAllTypes(function() {
-        var defInput = this.defBlock.getField('NAME');
-        defInput.htmlInput_ = Object.create(null);
-        defInput.htmlInput_.oldValue_ = 'start name';
-        defInput.htmlInput_.untypedDefaultValue_ = 'start name';
-
-        defInput.htmlInput_.value = '';
-        defInput.onHtmlInputChange_(null);
-        var newDefBlock = new Blockly.Block(this.workspace, this.defType);
-        newDefBlock.setFieldValue('new name', 'NAME');
-        chai.assert.equal(
-            this.defBlock.getFieldValue('NAME'),
-            Blockly.Msg['UNNAMED_KEY']);
-        chai.assert.equal(
-            this.callBlock.getFieldValue('NAME'),
-            Blockly.Msg['UNNAMED_KEY']);
-
-        newDefBlock.dispose();
-      }, 'start name');
-    });
-  });
-  suite('getCallers', function() {
-    test('Simple', function() {
-      this.callForAllTypes(function() {
-        var callers = Blockly.Procedures.getCallers('name1', this.workspace);
-        chai.assert.equal(callers.length, 1);
-        chai.assert.equal(callers[0], this.callBlock);
-      }, 'name1');
-    });
-    test('Multiple Callers', function() {
-      this.callForAllTypes(function() {
-        var caller2 = new Blockly.Block(this.workspace, this.callType);
-        caller2.setFieldValue('name1', 'NAME');
-        var caller3 = new Blockly.Block(this.workspace, this.callType);
-        caller3.setFieldValue('name1', 'NAME');
-
-        var callers = Blockly.Procedures.getCallers('name1', this.workspace);
-        chai.assert.equal(callers.length, 3);
-        chai.assert.equal(callers[0], this.callBlock);
-        chai.assert.equal(callers[1], caller2);
-        chai.assert.equal(callers[2], caller3);
-
-        caller2.dispose();
-        caller3.dispose();
-      }, 'name1');
-    });
-    test('Multiple Procedures', function() {
-      this.callForAllTypes(function() {
-        var def2 = new Blockly.Block(this.workspace, this.defType);
-        def2.setFieldValue('name2', 'NAME');
-        var caller2 = new Blockly.Block(this.workspace, this.callType);
-        caller2.setFieldValue('name2', 'NAME');
-
-        var callers = Blockly.Procedures.getCallers('name1', this.workspace);
-        chai.assert.equal(callers.length, 1);
-        chai.assert.equal(callers[0], this.callBlock);
-
-        def2.dispose();
-        caller2.dispose();
-      }, 'name1');
-    });
-    // This can occur if you:
-    //  1) Create an uppercase definition and call block.
-    //  2) Delete both blocks.
-    //  3) Create a lowercase definition and call block.
-    //  4) Retrieve the uppercase call block from the trashcan.
-    // (And vise versa for creating lowercase blocks first)
-    // When converted to code all function names will be lowercase, so a
-    // caller should still be returned for a differently-cased procedure.
-    test('Call Different Case', function() {
-      this.callForAllTypes(function() {
-        this.callBlock.setFieldValue('NAME1', 'NAME');
-        var callers = Blockly.Procedures.getCallers('name1', this.workspace);
-        chai.assert.equal(callers.length, 1);
-        chai.assert.equal(callers[0], this.callBlock);
-      }, 'name');
-    });
-    test('Multiple Workspaces', function() {
-      this.callForAllTypes(function() {
-        var workspace = new Blockly.Workspace();
-        var def2 = new Blockly.Block(workspace, this.defType);
-        def2.setFieldValue('name', 'NAME');
-        var caller2 = new Blockly.Block(workspace, this.callType);
-        caller2.setFieldValue('name', 'NAME');
-
-        var callers = Blockly.Procedures.getCallers('name', this.workspace);
-        chai.assert.equal(callers.length, 1);
-        chai.assert.equal(callers[0], this.callBlock);
-
-        callers = Blockly.Procedures.getCallers('name', workspace);
-        chai.assert.equal(callers.length, 1);
-        chai.assert.equal(callers[0], caller2);
-
-        def2.dispose();
-        caller2.dispose();
-      }, 'name');
-    });
-  });
-  suite('getDefinition', function() {
-    test('Simple', function() {
-      this.callForAllTypes(function() {
-        var def = Blockly.Procedures.getDefinition('name1', this.workspace);
-        chai.assert.equal(def, this.defBlock);
-      }, 'name1');
-    });
-    test('Multiple Procedures', function() {
-      this.callForAllTypes(function() {
-        var def2 = new Blockly.Block(this.workspace, this.defType);
-        def2.setFieldValue('name2', 'NAME');
-        var caller2 = new Blockly.Block(this.workspace, this.callType);
-        caller2.setFieldValue('name2', 'NAME');
-
-        var def = Blockly.Procedures.getDefinition('name1', this.workspace);
-        chai.assert.equal(def, this.defBlock);
-
-        def2.dispose();
-        caller2.dispose();
-      }, 'name1');
-    });
-    test('Multiple Workspaces', function() {
-      this.callForAllTypes(function() {
-        var workspace = new Blockly.Workspace();
-        var def2 = new Blockly.Block(workspace, this.defType);
-        def2.setFieldValue('name', 'NAME');
-        var caller2 = new Blockly.Block(workspace, this.callType);
-        caller2.setFieldValue('name', 'NAME');
-
-        var def = Blockly.Procedures.getDefinition('name', this.workspace);
-        chai.assert.equal(def, this.defBlock);
-
-        def = Blockly.Procedures.getDefinition('name', workspace);
-        chai.assert.equal(def, def2);
-
-        def2.dispose();
-        caller2.dispose();
-      }, 'name');
-    });
-  });
-  suite('Enable/Disable', function() {
-    setup(function() {
-      var toolbox = document.getElementById('toolbox-categories');
-      this.workspaceSvg = Blockly.inject('blocklyDiv', {toolbox: toolbox});
-    });
-    teardown(function() {
-      this.workspaceSvg.dispose();
-      sinon.restore();
-    });
-    suite('Inherited disabled', function() {
-      setup(function() {
-        var dom = Blockly.Xml.textToDom(
-            '<xml xmlns="https://developers.google.com/blockly/xml">' +
-            '<block type="procedures_defreturn" id="bar-def">' +
-              '<field name="NAME">bar</field>' +
-              '<statement name="STACK">' +
-                '<block type="procedures_callnoreturn" id="foo-c1">' +
-                  '<mutation name="foo"></mutation>' +
-                '</block>' +
-              '</statement>' +
-              '<value name="RETURN">' +
-                '<block type="procedures_callreturn" id="bar-c1">' +
-                  '<mutation name="bar"></mutation>' +
-                '</block>' +
-              '</value>' +
-            '</block>' +
-            '<block type="procedures_defnoreturn" id="foo-def">' +
-              '<field name="NAME">foo</field>' +
-            '</block>' +
-            '<block type="procedures_defreturn" id="baz-def">' +
-              '<field name="NAME">baz</field>' +
-              '<value name="RETURN">' +
-                '<block type="procedures_callreturn" id="bar-c2">' +
-                  '<mutation name="bar"></mutation>' +
-                '</block>' +
-              '</value>' +
-            '</block>' +
-            '<block type="procedures_callnoreturn" id="foo-c2">' +
-              '<mutation name="foo"></mutation>' +
-            '</block>' +
-            '<block type="procedures_callreturn" id="baz-c1">' +
-              '<mutation name="baz"></mutation>' +
-            '</block>' +
-          '</xml>');
-        Blockly.Events.disable();
-        Blockly.Xml.appendDomToWorkspace(dom, this.workspaceSvg);
-        Blockly.Events.enable();
-
-        this.barDef = this.workspaceSvg.getBlockById('bar-def');
-        this.fooDef = this.workspaceSvg.getBlockById('foo-def');
-        this.bazDef = this.workspaceSvg.getBlockById('baz-def');
-
-        this.barCalls = [
-          this.workspaceSvg.getBlockById('bar-c1'),
-          this.workspaceSvg.getBlockById('bar-c2')];
-        this.fooCalls = [
-          this.workspaceSvg.getBlockById('foo-c1'),
-          this.workspaceSvg.getBlockById('foo-c2')];
-        this.bazCall = this.workspaceSvg.getBlockById('baz-c1');
-      });
-      test('Nested caller', function() {
-        this.barDef.setEnabled(false);
-
-        for (var i = 0; i < 2; i++) {
-          chai.assert.isFalse(this.barCalls[i].isEnabled(),
-              'Callers are disabled when their definition is disabled ' +
-              '(bar call ' + i + ')');
-        }
-        chai.assert.isTrue(this.fooCalls[0].isEnabled(),
-            'Callers in definitions are disabled by inheritance');
-        chai.assert.isTrue(this.fooCalls[0].getInheritedDisabled(),
-            'Callers in definitions are disabled by inheritance');
-
-        this.fooDef.setEnabled(false);
-
-        for (var i = 0; i < 2; i++) {
-          chai.assert.isFalse(this.fooCalls[i].isEnabled(),
-              'Callers are disabled when their definition is disabled ' +
-              '(foo call ' + i + ')');
-        }
-
-        this.barDef.setEnabled(true);
-
-        for (var i = 0; i < 2; i++) {
-          chai.assert.isTrue(this.barCalls[i].isEnabled(),
-              'Callers are reenabled with their definition ' +
-              '(bar call ' + i + ')');
-        }
-        chai.assert.isFalse(this.fooCalls[0].isEnabled(),
-            'Nested disabled callers remain disabled');
-        chai.assert.isFalse(this.fooCalls[0].getInheritedDisabled(),
-            'Nested disabled callers remain disabled, not by inheritance');
-      });
-      test('Caller in return', function() {
-        this.bazDef.setEnabled(false);
-
-        chai.assert.isFalse(this.bazCall.isEnabled(),
-            'Caller is disabled with its definition');
-
-        chai.assert.isTrue(this.barCalls[1].isEnabled(),
-            'Caller in the return is disabled by inheritance');
-        chai.assert.isTrue(this.barCalls[1].getInheritedDisabled(),
-            'Caller in the return is disabled by inheritance');
-
-        this.barDef.setEnabled(false);
-
-        for (var i = 0; i < 2; i++) {
-          chai.assert.isFalse(this.barCalls[i].isEnabled(),
-              'Callers are disabled when their definition is disabled ' +
-              '(bar call ' + i + ')');
-        }
-
-        this.bazDef.setEnabled(true);
-
-        chai.assert.isFalse(this.barCalls[1].isEnabled(),
-            'Caller in return remains disabled');
-        chai.assert.isFalse(this.barCalls[1].getInheritedDisabled(),
-            'Caller in return remains disabled, not by inheritance');
-      });
-    });
-    var testCases = [
-      ['procedures_defnoreturn',
-        ('<xml xmlns="https://developers.google.com/blockly/xml">' +
-          '<block type="procedures_defnoreturn" id="bar-def">' +
-            '<field name="NAME">bar</field>' +
-          '</block>' +
-          '<block type="procedures_callnoreturn" id="bar-c1">' +
-            '<mutation name="bar"></mutation>' +
-          '</block>' +
-          '<block type="procedures_callnoreturn" id="bar-c2">' +
-            '<mutation name="bar"></mutation>' +
-          '</block>' +
-        '</xml>')],
-      ['procedures_defreturn',
-        ('<xml xmlns="https://developers.google.com/blockly/xml">' +
-          '<block type="procedures_defreturn" id="bar-def">' +
-            '<field name="NAME">bar</field>' +
-            '<value name="RETURN">' +
-              '<block type="procedures_callreturn" id="bar-c1">' +
-                '<mutation name="bar"></mutation>' +
-              '</block>' +
-            '</value>' +
-          '</block>' +
-          '<block type="procedures_callreturn" id="bar-c2">' +
-            '<mutation name="bar"></mutation>' +
-          '</block>' +
-        '</xml>')]];
-    testCases.forEach(function(testCase) {
-      var suiteName = testCase[0];
-      var domText = testCase[1];
-      suite(suiteName, function() {
-        setup(function() {
-          var dom = Blockly.Xml.textToDom(domText);
-
-          Blockly.Xml.appendDomToWorkspace(dom, this.workspaceSvg);
-          this.barDef = this.workspaceSvg.getBlockById('bar-def');
-          this.barCalls = [
-            this.workspaceSvg.getBlockById('bar-c1'),
-            this.workspaceSvg.getBlockById('bar-c2')
-          ];
-        });
-
-        test('Set disabled updates callers', function() {
-          this.workspaceSvg.clearUndo();
-          Blockly.Events.setGroup('g1');
-          this.barDef.setEnabled(false);
-          Blockly.Events.setGroup(false);
-
-          for (var i = 0; i < 2; i++) {
-            chai.assert.isFalse(this.barCalls[i].isEnabled(),
-                'Callers are disabled when their definition is disabled (call ' +
-                i + ')');
-          }
-          var firedEvents = this.workspaceSvg.undoStack_;
-          chai.assert.equal(firedEvents.length, 3,
-              'An event was fired for the definition and each caller');
-          for (var i = 0; i < 3; i++) {
-            chai.assert.equal(firedEvents[i].group, 'g1',
-                'Disable events are in the same group (event ' + i + ')');
-          }
-
-          this.workspaceSvg.clearUndo();
-          Blockly.Events.setGroup('g2');
-          this.barDef.setEnabled(true);
-          Blockly.Events.setGroup(false);
-
-          for (var i = 0; i < 2; i++) {
-            chai.assert.isTrue(this.barCalls[i].isEnabled(),
-                'Callers are enabled when their definition is enabled (call ' +
-                i + ')');
-          }
-          chai.assert.equal(firedEvents.length,3,
-              'An event was fired for the definition and each caller');
-          for (var i = 0; i < 3; i++) {
-            chai.assert.equal(firedEvents[i].group, 'g2',
-                'Enable events are in the same group (event ' + i + ')');
-          }
-        });
-        test('Set disabled updates callers while remembering old caller state', function() {
-          this.barCalls[0].setEnabled(false);
-          this.workspaceSvg.clearUndo();
-          Blockly.Events.setGroup('g1');
-          this.barDef.setEnabled(false);
-          Blockly.Events.setGroup(false);
-
-          for (var i = 0; i < 2; i++) {
-            chai.assert.isFalse(this.barCalls[i].isEnabled(),
-                'Callers are disabled when their definition is disabled (call ' +
-                i + ')');
-          }
-          var firedEvents = this.workspaceSvg.undoStack_;
-          chai.assert.equal(firedEvents.length, 2,
-              'An event was fired for the definition and the enabled caller');
-          for (var i = 0; i < 2; i++) {
-            chai.assert.equal(firedEvents[i].group, 'g1',
-                'Disable events are in the same group (event ' + i + ')');
-          }
-
-          this.workspaceSvg.clearUndo();
-          Blockly.Events.setGroup('g2');
-          this.barDef.setEnabled(true);
-          Blockly.Events.setGroup(false);
-
-          chai.assert.isFalse(this.barCalls[0].isEnabled(),
-              'Caller remains in disabled state when the definition is enabled');
-          chai.assert.isTrue(this.barCalls[1].isEnabled(),
-              'Caller returns to previous enabled state when the definition is enabled');
-          chai.assert.equal(firedEvents.length,2,
-              'An event was fired for the definition and the enabled caller');
-          for (var i = 0; i < 2; i++) {
-            chai.assert.equal(firedEvents[i].group, 'g2',
-                'Enable events are in the same group (event ' + i + ')');
-          }
-        });
-      });
-    });
-  });
-  suite('Mutation', function() {
-    setup(function() {
-      this.findParentStub = sinon.stub(Blockly.Mutator, 'findParentWs')
-          .returns(this.workspace);
-    });
-    teardown(function() {
-      this.findParentStub.restore();
-    });
-    suite('Composition', function() {
-      suite('Statements', function() {
-        function setStatementValue(mainWorkspace, defBlock, value) {
-          var mutatorWorkspace = new Blockly.Workspace(
-              new Blockly.Options({
-                parentWorkspace: mainWorkspace
-              }));
-          defBlock.decompose(mutatorWorkspace);
-          var containerBlock = mutatorWorkspace.getTopBlocks()[0];
-          var statementField = containerBlock.getField('STATEMENTS');
-          statementField.setValue(value);
-          defBlock.compose(containerBlock);
-        }
-        test('Has Statements', function() {
-          var defBlock = new Blockly.Block(this.workspace, 'procedures_defreturn');
-          setStatementValue(this.workspace, defBlock, true);
-          chai.assert.isTrue(defBlock.hasStatements_);
-        });
-        test('Has No Statements', function() {
-          var defBlock = new Blockly.Block(this.workspace, 'procedures_defreturn');
-          setStatementValue(this.workspace, defBlock, false);
-          chai.assert.isFalse(defBlock.hasStatements_);
-        });
-        test('Saving Statements', function() {
-          var blockXml = Blockly.Xml.textToDom(
-              '<block type="procedures_defreturn">' +
-              '  <statement name="STACK">' +
-              '    <block type="procedures_ifreturn" id="test"></block>' +
-              '  </statement>' +
-              '</block>'
-          );
-          var defBlock = Blockly.Xml.domToBlock(blockXml, this.workspace);
-          setStatementValue(this.workspace, defBlock, false);
-          chai.assert.isNull(defBlock.getInput('STACK'));
-          setStatementValue(this.workspace, defBlock, true);
-          chai.assert.isNotNull(defBlock.getInput('STACK'));
-          var statementBlocks = defBlock.getChildren();
-          chai.assert.equal(statementBlocks.length, 1);
-          var block = statementBlocks[0];
-          chai.assert.equal(block.type, 'procedures_ifreturn');
-          chai.assert.equal(block.id, 'test');
-        });
-      });
-      suite('Untyped Arguments', function() {
-        function createMutator(argArray) {
-          this.mutatorWorkspace = new Blockly.Workspace(
-              new Blockly.Options({
-                parentWorkspace: this.workspace
-              }));
-          this.containerBlock = this.defBlock.decompose(this.mutatorWorkspace);
-          this.connection = this.containerBlock.getInput('STACK').connection;
-          for (var i = 0; i < argArray.length; i++) {
-            this.argBlock = new Blockly.Block(
-                this.mutatorWorkspace, 'procedures_mutatorarg');
-            this.argBlock.setFieldValue(argArray[i], 'NAME');
-            this.connection.connect(this.argBlock.previousConnection);
-            this.connection = this.argBlock.nextConnection;
-          }
-          this.defBlock.compose(this.containerBlock);
-        }
-        function assertArgs(argArray) {
-          chai.assert.equal(this.defBlock.arguments_.length, argArray.length);
-          for (var i = 0; i < argArray.length; i++) {
-            chai.assert.equal(this.defBlock.arguments_[i], argArray[i]);
-          }
-          chai.assert.equal(this.callBlock.arguments_.length, argArray.length);
-          for (var i = 0; i < argArray.length; i++) {
-            chai.assert.equal(this.callBlock.arguments_[i], argArray[i]);
-          }
-        }
-        function clearVariables() {
-          // TODO: Update this for typed vars.
-          var variables = this.workspace.getVariablesOfType('');
-          var variableMap = this.workspace.getVariableMap();
-          for (var i = 0, variable; (variable = variables[i]); i++) {
-            variableMap.deleteVariable(variable);
-          }
-        }
-        test('Simple Add Arg', function() {
-          this.callForAllTypes(function() {
-            var args = ['arg1'];
-            createMutator.call(this, args);
-            assertArgs.call(this, args);
-            clearVariables.call(this);
-          }, 'name');
-        });
-        test('Multiple Args', function() {
-          this.callForAllTypes(function() {
-            var args = ['arg1', 'arg2', 'arg3'];
-            createMutator.call(this, args);
-            assertArgs.call(this, args);
-            clearVariables.call(this);
-          }, 'name');
-        });
-        test('Simple Change Arg', function() {
-          this.callForAllTypes(function() {
-            createMutator.call(this, ['arg1']);
-            this.argBlock.setFieldValue('arg2', 'NAME');
-            this.defBlock.compose(this.containerBlock);
-            assertArgs.call(this, ['arg2']);
-            clearVariables.call(this);
-          }, 'name');
-        });
-        test('lower -> CAPS', function() {
-          this.callForAllTypes(function() {
-            createMutator.call(this, ['arg']);
-            this.argBlock.setFieldValue('ARG', 'NAME');
-            this.defBlock.compose(this.containerBlock);
-            assertArgs.call(this, ['ARG']);
-            clearVariables.call(this);
-          }, 'name');
-        });
-        test('CAPS -> lower', function() {
-          this.callForAllTypes(function() {
-            createMutator.call(this, ['ARG']);
-            this.argBlock.setFieldValue('arg', 'NAME');
-            this.defBlock.compose(this.containerBlock);
-            assertArgs.call(this, ['arg']);
-            clearVariables.call(this);
-          }, 'name');
-        });
-        // Test case for #1958
-        test('Set Arg Empty', function() {
-          this.callForAllTypes(function() {
-            var args = ['arg1'];
-            createMutator.call(this, args);
-            this.argBlock.setFieldValue('', 'NAME');
-            this.defBlock.compose(this.containerBlock);
-            assertArgs.call(this, args);
-            clearVariables.call(this);
-          }, 'name');
-        });
-        test('Whitespace', function() {
-          this.callForAllTypes(function() {
-            var args = ['arg1'];
-            createMutator.call(this, args);
-            this.argBlock.setFieldValue(' ', 'NAME');
-            this.defBlock.compose(this.containerBlock);
-            assertArgs.call(this, args);
-            clearVariables.call(this);
-          }, 'name');
-        });
-        test('Whitespace and Text', function() {
-          this.callForAllTypes(function() {
-            createMutator.call(this, ['arg1']);
-            this.argBlock.setFieldValue(' text ', 'NAME');
-            this.defBlock.compose(this.containerBlock);
-            assertArgs.call(this, ['text']);
-            clearVariables.call(this);
-          }, 'name');
-        });
-        test('<>', function() {
-          this.callForAllTypes(function() {
-            var args = ['<>'];
-            createMutator.call(this, args);
-            assertArgs.call(this, args);
-            clearVariables.call(this);
-          }, 'name');
-        });
-      });
-    });
-    suite('Decomposition', function() {
-      suite('Statements', function() {
-        test('Has Statement Input', function() {
-          this.callForAllTypes(function() {
-            var mutatorWorkspace = new Blockly.Workspace(
-                new Blockly.Options({
-                  parentWorkspace: this.workspace
-                }));
-            this.defBlock.decompose(mutatorWorkspace);
-            var statementInput = mutatorWorkspace.getTopBlocks()[0]
-                .getInput('STATEMENT_INPUT');
-            if (this.defType == 'procedures_defreturn') {
-              chai.assert.isNotNull(statementInput);
-            } else {
-              chai.assert.isNull(statementInput);
-            }
-          }, 'name');
-        });
-        test('Has Statements', function() {
-          var defBlock = new Blockly.Block(this.workspace, 'procedures_defreturn');
-          defBlock.hasStatements_ = true;
-          var mutatorWorkspace = new Blockly.Workspace(
-              new Blockly.Options({
-                parentWorkspace: this.workspace
-              }));
-          defBlock.decompose(mutatorWorkspace);
-          var statementValue = mutatorWorkspace.getTopBlocks()[0]
-              .getField('STATEMENTS').getValueBoolean();
-          chai.assert.isTrue(statementValue);
-        });
-        test('No Has Statements', function() {
-          var defBlock = new Blockly.Block(this.workspace, 'procedures_defreturn');
-          defBlock.hasStatements_ = false;
-          var mutatorWorkspace = new Blockly.Workspace(
-              new Blockly.Options({
-                parentWorkspace: this.workspace
-              }));
-          defBlock.decompose(mutatorWorkspace);
-          var statementValue = mutatorWorkspace.getTopBlocks()[0]
-              .getField('STATEMENTS').getValueBoolean();
-          chai.assert.isFalse(statementValue);
-        });
-      });
-      suite('Untyped Arguments', function() {
-        function assertArguments(argumentsArray) {
-          this.defBlock.arguments_ = argumentsArray;
-          var mutatorWorkspace = new Blockly.Workspace(
-              new Blockly.Options({
-                parentWorkspace: this.workspace
-              }));
-          this.defBlock.decompose(mutatorWorkspace);
-          var argBlocks = mutatorWorkspace.getBlocksByType('procedures_mutatorarg');
-          chai.assert.equal(argBlocks.length, argumentsArray.length);
-
-          for (var i = 0; i < argumentsArray.length; i++) {
-            var argString = argumentsArray[i];
-            var argBlockValue = argBlocks[i].getFieldValue('NAME');
-            chai.assert.equal(argBlockValue, argString);
-          }
-        }
-        test('Simple Single Arg', function() {
-          this.callForAllTypes(function() {
-            assertArguments.call(this, ['arg']);
-          }, 'name');
-        });
-        test('Multiple Args', function() {
-          this.callForAllTypes(function() {
-            assertArguments.call(this, ['arg1', 'arg2']);
-          }, 'name');
-        });
-        test('<>', function() {
-          this.callForAllTypes(function() {
-            assertArguments.call(this, ['<>']);
-          }, 'name');
-        });
-      });
-    });
-  });
-});
diff --git a/tests/mocha/registry_test.js b/tests/mocha/registry_test.js
index f4171197c16..b562606f479 100644
--- a/tests/mocha/registry_test.js
+++ b/tests/mocha/registry_test.js
@@ -4,93 +4,281 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Tests for Blockly.registry
- * @author aschmiedt@google.com (Abby Schmiedt)
- */
-'use strict';
+import {assertWarnings} from './test_helpers/warnings.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
 
-suite('Registry', function() {
-  var TestClass = function() {};
-  TestClass.prototype.testMethod = function() {
+suite('Registry', function () {
+  const TestClass = function () {};
+  TestClass.prototype.testMethod = function () {
     return 'something';
   };
 
-  setup(function() {
+  setup(function () {
     sharedTestSetup.call(this);
   });
-  teardown(function() {
+
+  teardown(function () {
     sharedTestTeardown.call(this);
-    if (Blockly.registry.typeMap_['test'] &&
-        Blockly.registry.typeMap_['test']['test_name']) {
-      delete Blockly.registry.typeMap_['test']['test_name'];
+    if (Blockly.registry.hasItem('test', 'test_name')) {
+      Blockly.registry.unregister('test', 'test_name');
     }
   });
-  suite('Registration', function() {
-    test('Simple', function() {
+
+  suite('Registration', function () {
+    test('Simple', function () {
       Blockly.registry.register('test', 'test_name', TestClass);
     });
-    test('Empty String Key', function() {
-      chai.assert.throws(function() {
+
+    test('Empty String Key', function () {
+      chai.assert.throws(function () {
         Blockly.registry.register('test', '', TestClass);
       }, 'Invalid name');
     });
-    test('Class as Key', function() {
-      chai.assert.throws(function() {
+
+    test('Class as Key', function () {
+      chai.assert.throws(function () {
         Blockly.registry.register('test', TestClass, '');
       }, 'Invalid name');
     });
-    test('Overwrite a Key', function() {
+
+    test('Overwrite a Key', function () {
+      Blockly.registry.register('test', 'test_name', TestClass);
+      chai.assert.throws(function () {
+        // Registers a different object under the same name
+        Blockly.registry.register('test', 'test_name', {});
+      }, 'already registered');
+    });
+
+    test('Register a Duplicate Item', function () {
       Blockly.registry.register('test', 'test_name', TestClass);
-      chai.assert.throws(function() {
+      chai.assert.doesNotThrow(function () {
+        // Registering the same object under the same name is allowed
         Blockly.registry.register('test', 'test_name', TestClass);
       }, 'already registered');
     });
-    test('Null Value', function() {
-      chai.assert.throws(function() {
+
+    test('Null Value', function () {
+      chai.assert.throws(function () {
         Blockly.registry.register('test', 'field_custom_test', null);
       }, 'Can not register a null value');
     });
   });
-  suite('getClassFromOptions', function() {
-    setup(function() {
-      this.defaultClass = function() {};
-      this.defaultClass.prototype.testMethod = function() {
+
+  suite('hasItem', function () {
+    setup(function () {
+      Blockly.registry.register('test', 'test_name', TestClass);
+    });
+
+    test('Has', function () {
+      chai.assert.isTrue(Blockly.registry.hasItem('test', 'test_name'));
+    });
+
+    suite('Does not have', function () {
+      test('Type', function () {
+        chai.assert.isFalse(Blockly.registry.hasItem('bad_type', 'test_name'));
+      });
+
+      test('Name', function () {
+        chai.assert.isFalse(Blockly.registry.hasItem('test', 'bad_name'));
+      });
+    });
+
+    suite('Case', function () {
+      test('Caseless type', function () {
+        chai.assert.isTrue(Blockly.registry.hasItem('TEST', 'test_name'));
+      });
+
+      test('Caseless name', function () {
+        chai.assert.isTrue(Blockly.registry.hasItem('test', 'TEST_NAME'));
+      });
+    });
+  });
+
+  suite('getClass', function () {
+    setup(function () {
+      Blockly.registry.register('test', 'test_name', TestClass);
+    });
+
+    test('Has', function () {
+      chai.assert.isNotNull(Blockly.registry.getClass('test', 'test_name'));
+    });
+
+    suite('Does not have', function () {
+      test('Type', function () {
+        assertWarnings(() => {
+          chai.assert.isNull(
+            Blockly.registry.getClass('bad_type', 'test_name'),
+          );
+        }, /Unable to find/);
+      });
+
+      test('Name', function () {
+        assertWarnings(() => {
+          chai.assert.isNull(Blockly.registry.getClass('test', 'bad_name'));
+        }, /Unable to find/);
+      });
+
+      test('Throw if missing', function () {
+        chai.assert.throws(function () {
+          Blockly.registry.getClass('test', 'bad_name', true);
+        });
+      });
+    });
+
+    suite('Case', function () {
+      test('Caseless type', function () {
+        chai.assert.isNotNull(Blockly.registry.getClass('TEST', 'test_name'));
+      });
+
+      test('Caseless name', function () {
+        chai.assert.isNotNull(Blockly.registry.getClass('test', 'TEST_NAME'));
+      });
+    });
+  });
+
+  suite('getObject', function () {
+    setup(function () {
+      Blockly.registry.register('test', 'test_name', {});
+    });
+
+    test('Has', function () {
+      chai.assert.isNotNull(Blockly.registry.getObject('test', 'test_name'));
+    });
+
+    suite('Does not have', function () {
+      test('Type', function () {
+        assertWarnings(() => {
+          chai.assert.isNull(
+            Blockly.registry.getObject('bad_type', 'test_name'),
+          );
+        }, /Unable to find/);
+      });
+
+      test('Name', function () {
+        assertWarnings(() => {
+          chai.assert.isNull(Blockly.registry.getObject('test', 'bad_name'));
+        }, /Unable to find/);
+      });
+
+      test('Throw if missing', function () {
+        chai.assert.throws(function () {
+          Blockly.registry.getObject('test', 'bad_name', true);
+        });
+      });
+    });
+
+    suite('Case', function () {
+      test('Caseless type', function () {
+        chai.assert.isNotNull(Blockly.registry.getObject('TEST', 'test_name'));
+      });
+
+      test('Caseless name', function () {
+        chai.assert.isNotNull(Blockly.registry.getObject('test', 'TEST_NAME'));
+      });
+    });
+  });
+
+  suite('getAllItems', function () {
+    setup(function () {
+      Blockly.registry.register('test', 'test_name', {});
+      Blockly.registry.register('test', 'casedNAME', {});
+    });
+
+    teardown(function () {
+      Blockly.registry.unregister('test', 'casedname');
+    });
+
+    test('Has', function () {
+      chai.assert.isNotNull(Blockly.registry.getAllItems('test'));
+    });
+
+    test('Does not have', function () {
+      assertWarnings(() => {
+        chai.assert.isNull(Blockly.registry.getAllItems('bad_type'));
+      }, /Unable to find/);
+    });
+
+    test('Throw if missing', function () {
+      chai.assert.throws(function () {
+        Blockly.registry.getAllItems('bad_type', false, true);
+      });
+    });
+
+    test('Ignore type case', function () {
+      chai.assert.isNotNull(Blockly.registry.getAllItems('TEST'));
+    });
+
+    test('Respect name case', function () {
+      chai.assert.deepEqual(Blockly.registry.getAllItems('test', true), {
+        'test_name': {},
+        'casedNAME': {},
+      });
+    });
+
+    test('Respect overwriting name case', function () {
+      Blockly.registry.register('test', 'CASEDname', {}, true);
+      chai.assert.deepEqual(Blockly.registry.getAllItems('test', true), {
+        'test_name': {},
+        'CASEDname': {},
+      });
+    });
+  });
+
+  suite('getClassFromOptions', function () {
+    setup(function () {
+      this.defaultClass = function () {};
+      this.defaultClass.prototype.testMethod = function () {
         return 'default';
       };
       this.options = {
         'plugins': {
-          'test' : 'test_name'
-        }
-      };
-      Blockly.registry.typeMap_['test'] = {
-        'test_name': TestClass,
-        'default': this.defaultClass
+          'test': 'test_name',
+        },
       };
+      Blockly.registry.register('test', 'test_name', TestClass);
+      Blockly.registry.register('test', 'default', this.defaultClass);
+    });
+
+    teardown(function () {
+      Blockly.registry.unregister('test', 'default');
     });
-    test('Simple - Plugin name given', function() {
-      var testClass = Blockly.registry.getClassFromOptions('test', this.options);
+
+    test('Simple - Plugin name given', function () {
+      const testClass = Blockly.registry.getClassFromOptions(
+        'test',
+        this.options,
+      );
       chai.assert.instanceOf(new testClass(), TestClass);
     });
-    test('Simple - Plugin class given', function() {
+
+    test('Simple - Plugin class given', function () {
       this.options.plugins['test'] = TestClass;
-      var testClass = Blockly.registry.getClassFromOptions('test', this.options);
+      const testClass = Blockly.registry.getClassFromOptions(
+        'test',
+        this.options,
+      );
       chai.assert.instanceOf(new testClass(), TestClass);
     });
-    test('No Plugin Name Given', function() {
+
+    test('No Plugin Name Given', function () {
       delete this.options['plugins']['test'];
-      var testClass = Blockly.registry.getClassFromOptions('test', this.options);
+      const testClass = Blockly.registry.getClassFromOptions(
+        'test',
+        this.options,
+      );
       chai.assert.instanceOf(new testClass(), this.defaultClass);
     });
-    test('Incorrect Plugin Name', function() {
+
+    test('Incorrect Plugin Name', function () {
       this.options['plugins']['test'] = 'random';
-      var testClass;
-      var warnings = captureWarnings(() => {
+      let testClass;
+      assertWarnings(() => {
         testClass = Blockly.registry.getClassFromOptions('test', this.options);
-      });
+      }, /Unable to find/);
       chai.assert.isNull(testClass);
-      chai.assert.equal(warnings.length, 1,
-          'Expecting 1 warning about no name "random" found.');
     });
   });
 });
diff --git a/tests/mocha/render_management_test.js b/tests/mocha/render_management_test.js
new file mode 100644
index 00000000000..7852a5b0ca3
--- /dev/null
+++ b/tests/mocha/render_management_test.js
@@ -0,0 +1,129 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Render Management', function () {
+  setup(function () {
+    this.clock = sharedTestSetup.call(this).clock;
+  });
+
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('finish queued renders callback', function () {
+    function createMockBlock() {
+      return {
+        hasRendered: false,
+        renderEfficiently: function () {
+          this.hasRendered = true;
+        },
+
+        // All of the APIs the render management system needs.
+        getParent: () => null,
+        getChildren: () => [],
+        isDisposed: () => false,
+        getRelativeToSurfaceXY: () => ({x: 0, y: 0}),
+        updateComponentLocations: () => {},
+        bumpNeighbours: () => {},
+        initialized: true,
+        workspace: {
+          resizeContents: () => {},
+        },
+      };
+    }
+
+    test('the queueRender promise is properly resolved after rendering', function () {
+      const block = createMockBlock();
+      const promise = Blockly.renderManagement.queueRender(block).then(() => {
+        chai.assert.isTrue(block.hasRendered, 'Expected block to be rendered');
+      });
+      this.clock.runAll();
+      return promise;
+    });
+
+    test('the finish queued renders promise is properly resolved after rendering', function () {
+      const block = createMockBlock();
+      Blockly.renderManagement.queueRender(block);
+      const promise = Blockly.renderManagement.finishQueuedRenders(() => {
+        chai.assert.isTrue(block.hasRendered, 'Expected block to be rendered');
+      });
+      this.clock.runAll();
+      return promise;
+    });
+  });
+
+  suite('triggering queued renders', function () {
+    function createMockBlock(ws) {
+      return {
+        hasRendered: false,
+        renderEfficiently: function () {
+          this.hasRendered = true;
+        },
+
+        // All of the APIs the render management system needs.
+        getParent: () => null,
+        getChildren: () => [],
+        isDisposed: () => false,
+        getRelativeToSurfaceXY: () => ({x: 0, y: 0}),
+        updateComponentLocations: () => {},
+        bumpNeighbours: () => {},
+        initialized: true,
+        workspace: ws || createMockWorkspace(),
+      };
+    }
+
+    function createMockWorkspace() {
+      return {
+        resizeContents: () => {},
+      };
+    }
+
+    test('triggering queued renders rerenders blocks', function () {
+      const block = createMockBlock();
+      Blockly.renderManagement.queueRender(block);
+
+      Blockly.renderManagement.triggerQueuedRenders();
+
+      chai.assert.isTrue(block.hasRendered, 'Expected block to be rendered');
+    });
+
+    test('triggering queued renders rerenders blocks in all workspaces', function () {
+      const workspace1 = createMockWorkspace();
+      const workspace2 = createMockWorkspace();
+      const block1 = createMockBlock(workspace1);
+      const block2 = createMockBlock(workspace2);
+      Blockly.renderManagement.queueRender(block1);
+      Blockly.renderManagement.queueRender(block2);
+
+      Blockly.renderManagement.triggerQueuedRenders();
+
+      chai.assert.isTrue(block1.hasRendered, 'Expected block1 to be rendered');
+      chai.assert.isTrue(block2.hasRendered, 'Expected block2 to be rendered');
+    });
+
+    test('triggering queued renders in one workspace does not rerender blocks in another workspace', function () {
+      const workspace1 = createMockWorkspace();
+      const workspace2 = createMockWorkspace();
+      const block1 = createMockBlock(workspace1);
+      const block2 = createMockBlock(workspace2);
+      Blockly.renderManagement.queueRender(block1);
+      Blockly.renderManagement.queueRender(block2);
+
+      Blockly.renderManagement.triggerQueuedRenders(workspace1);
+
+      chai.assert.isTrue(block1.hasRendered, 'Expected block1 to be rendered');
+      chai.assert.isFalse(
+        block2.hasRendered,
+        'Expected block2 to not be rendered',
+      );
+    });
+  });
+});
diff --git a/tests/mocha/run_mocha_tests_in_browser.js b/tests/mocha/run_mocha_tests_in_browser.js
deleted file mode 100644
index af89bd7c0a7..00000000000
--- a/tests/mocha/run_mocha_tests_in_browser.js
+++ /dev/null
@@ -1,76 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Node.js script to run Mocha tests in Chrome, via webdriver.
- */
-var webdriverio = require('webdriverio');
-
-module.exports = runMochaTestsInBrowser;
-
-/**
- * Runs the Mocha tests in this directory in Chrome. It uses webdriverio to
- * launch Chrome and load index.html. Outputs a summary of the test results
- * to the console.
- * @return 0 on success, 1 on failure.
- */
-async function runMochaTestsInBrowser() {
-  var options = {
-    capabilities: {
-      browserName: 'chrome'
-    },
-    path: '/wd/hub'
-  };
-  // Run in headless mode on Travis.
-  if (process.env.TRAVIS_CI) {
-    options.capabilities['goog:chromeOptions'] = {
-      args: ['--headless', '--no-sandbox', '--disable-dev-shm-usage']
-    };
-  }
-
-  var url = 'file://' + __dirname + '/index.html';
-  console.log('Starting webdriverio...');
-  const browser = await webdriverio.remote(options);
-  console.log('Initialized.\nLoading url: ' + url);
-  await browser.url(url);
-
-  await browser.waitUntil(async () => {
-    var elem = await browser.$('#failureCount');
-    var text = await elem.getAttribute('tests_failed');
-    return text != 'unset';
-  }, {
-    timeout: 50000
-  });
-
-  const elem = await browser.$('#failureCount');
-  const numOfFailure = await elem.getAttribute('tests_failed');
-
-  console.log('============Blockly Mocha Test Summary=================');
-  console.log(numOfFailure);
-  console.log(numOfFailure + ' tests failed');
-  console.log('============Blockly Mocha Test Summary=================');
-  if (parseInt(numOfFailure) !== 0) {
-    await browser.deleteSession();
-    return 1;
-  }
-  await browser.deleteSession();
-  return 0;
-}
-
-if (require.main === module) {
-  runMochaTestsInBrowser().catch(e => {
-    console.error(e);
-    process.exit(1);
-  }).then(function(result) {
-    if (result) {
-      console.log('Mocha tests failed');
-      process.exit(1);
-    } else {
-      console.log('Mocha tests passed');
-      process.exit(0);
-    }
-  });
-}
diff --git a/tests/mocha/serializer_test.js b/tests/mocha/serializer_test.js
new file mode 100644
index 00000000000..b10f48df515
--- /dev/null
+++ b/tests/mocha/serializer_test.js
@@ -0,0 +1,2103 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as Blockly from '../../build/src/core/blockly.js';
+import {
+  TestCase,
+  TestSuite,
+  runTestCases,
+  runTestSuites,
+} from './test_helpers/common.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+
+// TODO: Move this into samples as part of the dev-tools package.
+// TODO: Fix up typing of SerializerTestCase & SerializerTestSuite to match
+//     decision in google/blockly-samples#819.
+/**
+ * Constructs a serializer test.
+ * @param {string} title The title of this testcase.
+ * @param {string} xml The XML to use for the round-trip test.
+ * @constructor
+ * @implements {TestCase}
+ */
+function SerializerTestCase(title, xml) {
+  this.title = title;
+  this.xml = xml;
+}
+SerializerTestCase.prototype = new TestCase();
+
+/**
+ * The XML we want to ensure round-trips through the serializer.
+ */
+SerializerTestCase.prototype.xml = '';
+
+/**
+ * Constructs a serializer test suite.
+ * @param {string} title The title of this test suite.
+ * @extends {TestSuite<SerializerTestCase, SerializerTestSuite>}
+ */
+function SerializerTestSuite(title) {
+  this.title = title;
+}
+SerializerTestSuite.prototype = new TestSuite();
+
+const Serializer = new SerializerTestSuite('Serializer');
+
+// TODO: Make sure all of these properties are documented ad exported properly.
+Serializer.Empty = new SerializerTestCase(
+  'Empty',
+  '<xml xmlns="https://developers.google.com/blockly/xml"></xml>',
+);
+Serializer.Data = new SerializerTestCase(
+  'Data',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<data>test data</data>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.testCases = [Serializer.Empty, Serializer.Data];
+
+Serializer.Attributes = new SerializerTestSuite('Attributes');
+Serializer.Attributes.Basic = new SerializerTestCase(
+  'Basic',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.Collapsed = new SerializerTestCase(
+  'Collapsed',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" collapsed="true" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.Disabled = new SerializerTestCase(
+  'Disabled',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" disabled-reasons="test%20reason,another%20reason" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.DisabledWithEncodedComma = new SerializerTestCase(
+  'DisabledWithEncodedComma',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" disabled-reasons="test%2Creason" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.NotDeletable = new SerializerTestCase(
+  'Deletable',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" deletable="false" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.NotMovable = new SerializerTestCase(
+  'Movable',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" movable="false" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.NotEditable = new SerializerTestCase(
+  'Editable',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" editable="false" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.testCases = [
+  Serializer.Attributes.Basic,
+  Serializer.Attributes.Collapsed,
+  Serializer.Attributes.Disabled,
+  Serializer.Attributes.DisabledWithEncodedComma,
+  Serializer.Attributes.NotDeletable,
+  Serializer.Attributes.NotMovable,
+  Serializer.Attributes.NotEditable,
+];
+
+Serializer.Attributes.Inline = new SerializerTestSuite('Inline');
+Serializer.Attributes.Inline.True = new SerializerTestCase(
+  'True',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" inline="true" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.Inline.False = new SerializerTestCase(
+  'False',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" inline="false" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.Inline.testCases = [
+  Serializer.Attributes.Inline.True,
+  Serializer.Attributes.Inline.False,
+];
+
+Serializer.Attributes.Coordinates = new SerializerTestSuite('Coordinates');
+Serializer.Attributes.Coordinates.Simple = new SerializerTestCase(
+  'Simple',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.Coordinates.Negative = new SerializerTestCase(
+  'Negative',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="-42" y="-42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.Coordinates.Zero = new SerializerTestCase(
+  'Zero',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="0" y="0"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.Coordinates.testCases = [
+  Serializer.Attributes.Coordinates.Simple,
+  Serializer.Attributes.Coordinates.Negative,
+  Serializer.Attributes.Coordinates.Zero,
+];
+
+Serializer.Attributes.Id = new SerializerTestSuite('Ids');
+
+Serializer.Attributes.Id.Length = new SerializerTestSuite('Length');
+Serializer.Attributes.Id.Length.Short = new SerializerTestCase(
+  'Short',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.Id.Length.Long = new SerializerTestCase(
+  'Long',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id***********************" x="42" y="42">' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Attributes.Id.Length.testCases = [
+  Serializer.Attributes.Id.Length.Short,
+  Serializer.Attributes.Id.Length.Long,
+];
+
+Serializer.Attributes.Id.Chars = new SerializerTestSuite('Chars');
+Serializer.Attributes.Id.Chars.Symbols = new SerializerTestCase(
+  'Symbols',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="!#$%()*+,-./:;=?@[]^" x="42" y="42"></block>' +
+    '<block type="logic_negate" id="_`{|}~!!!!!!!!!!!!!!" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.Id.Chars.Uppercase = new SerializerTestCase(
+  'Uppercase',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="ABCDEFGHIJKLMNOPQRST" x="42" y="42"></block>' +
+    '<block type="logic_negate" id="TUVWXYZAAAAAAAAAAAAA" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.Id.Chars.Lowercase = new SerializerTestCase(
+  'Lowercase',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="abcdefghijklmnopqrst" x="42" y="42"></block>' +
+    '<block type="logic_negate" id="tuvwxyzaaaaaaaaaaaaa" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.Id.Chars.Numbers = new SerializerTestCase(
+  'Numbers',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="01234567890000000000" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Attributes.Id.Chars.testCases = [
+  Serializer.Attributes.Id.Chars.Symbols,
+  Serializer.Attributes.Id.Chars.Uppercase,
+  Serializer.Attributes.Id.Chars.Lowercase,
+  Serializer.Attributes.Id.Chars.Numbers,
+];
+
+Serializer.Attributes.Id.testSuites = [
+  Serializer.Attributes.Id.Length,
+  Serializer.Attributes.Id.Chars,
+];
+
+Serializer.Attributes.testSuites = [
+  Serializer.Attributes.Inline,
+  Serializer.Attributes.Coordinates,
+  Serializer.Attributes.Id,
+];
+
+Serializer.Fields = new SerializerTestSuite('Fields');
+
+Serializer.Fields.Checkbox = new SerializerTestSuite('Checkbox');
+Serializer.Fields.Checkbox.True = new SerializerTestCase(
+  'True',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_checkbox" id="id******************" x="42" y="42">' +
+    '<field name="CHECKBOX">TRUE</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Checkbox.False = new SerializerTestCase(
+  'False',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_checkbox" id="id******************" x="42" y="42">' +
+    '<field name="CHECKBOX">FALSE</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Checkbox.testCases = [
+  Serializer.Fields.Checkbox.True,
+  Serializer.Fields.Checkbox.False,
+];
+
+Serializer.Fields.Dropdown = new SerializerTestSuite('Dropdown');
+Serializer.Fields.Dropdown.Default = new SerializerTestCase(
+  'Default',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_dropdowns_long" id="id******************" x="42" y="42">' +
+    '<field name="FIELDNAME">ITEM1</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Dropdown.NotDefault = new SerializerTestCase(
+  'NotDefault',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_dropdowns_long" id="id******************" x="42" y="42">' +
+    '<field name="FIELDNAME">ITEM32</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Dropdown.Dynamic = new SerializerTestCase(
+  'Dynamic',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_dropdowns_dynamic_random" id="id******************" x="42" y="42">' +
+    '<field name="OPTIONS">0</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Dropdown.testCases = [
+  Serializer.Fields.Dropdown.Default,
+  Serializer.Fields.Dropdown.NotDefault,
+  Serializer.Fields.Dropdown.Dynamic,
+];
+
+Serializer.Fields.LabelSerializable = new SerializerTestSuite(
+  'LabelSerializable',
+);
+Serializer.Fields.LabelSerializable.Simple = new SerializerTestCase(
+  'Simple',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_label_serializable" id="id******************" x="42" y="42">' +
+    '<field name="LABEL">test</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.LabelSerializable.Symbols = new SerializerTestCase(
+  'Symbols',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_label_serializable" id="id******************" x="42" y="42">' +
+    '<field name="LABEL">~`!@#$%^*()_+-={[}]|\\:;,.?/</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.LabelSerializable.EscapedSymbols = new SerializerTestCase(
+  'EscapedSymbols',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_label_serializable" id="id******************" x="42" y="42">' +
+    '<field name="LABEL">&amp;&lt;&gt;</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.LabelSerializable.SingleQuotes = new SerializerTestCase(
+  'SingleQuotes',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_label_serializable" id="id******************" x="42" y="42">' +
+    '<field name="LABEL">\'test\'</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.LabelSerializable.DoubleQuotes = new SerializerTestCase(
+  'DoubleQuotes',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_label_serializable" id="id******************" x="42" y="42">' +
+    '<field name="LABEL">"test"</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.LabelSerializable.Numbers = new SerializerTestCase(
+  'Numbers',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_label_serializable" id="id******************" x="42" y="42">' +
+    '<field name="LABEL">1234567890a123a123a</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.LabelSerializable.Emoji = new SerializerTestCase(
+  'Emoji',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_label_serializable" id="id******************" x="42" y="42">' +
+    '<field name="LABEL">😀👋🏿👋🏾👋🏽👋🏼👋🏻😀❤❤❤</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.LabelSerializable.Russian = new SerializerTestCase(
+  'Russian',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_label_serializable" id="id******************" x="42" y="42">' +
+    '<field name="LABEL">ты любопытный кот</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.LabelSerializable.Japanese = new SerializerTestCase(
+  'Japanese',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_label_serializable" id="id******************" x="42" y="42">' +
+    '<field name="LABEL">あなたは好奇心旺盛な猫です</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.LabelSerializable.Zalgo = new SerializerTestCase(
+  'Zalgo',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_label_serializable" id="id******************" x="42" y="42">' +
+    '<field name="LABEL">z̴̪͈̲̜͕̽̈̀͒͂̓̋̉̍a̸̧̧̜̻̘̤̫̱̲͎̞̻͆̋ļ̸̛̖̜̳͚̖͔̟̈́͂̉̀͑̑͑̎ǵ̸̫̳̽̐̃̑̚̕o̶͇̫͔̮̼̭͕̹̘̬͋̀͆̂̇̋͊̒̽</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.LabelSerializable.ControlChars = new SerializerTestCase(
+  'ControlChars',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_label_serializable" id="id******************" x="42" y="42">' +
+    '<field name="LABEL">&#01;&#a1;</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.LabelSerializable.testCases = [
+  Serializer.Fields.LabelSerializable.Simple,
+  Serializer.Fields.LabelSerializable.Symbols,
+  Serializer.Fields.LabelSerializable.EscapedSymbols,
+  Serializer.Fields.LabelSerializable.SingleQuotes,
+  Serializer.Fields.LabelSerializable.DoubleQuotes,
+  Serializer.Fields.LabelSerializable.Numbers,
+  Serializer.Fields.LabelSerializable.Emoji,
+  Serializer.Fields.LabelSerializable.Russian,
+  Serializer.Fields.LabelSerializable.Japanese,
+  Serializer.Fields.LabelSerializable.Zalgo,
+  // TODO: Uncoment once #4945 is merged.
+  // Serializer.Fields.LabelSerializable.ControlChars,
+];
+
+Serializer.Fields.Number = new SerializerTestSuite('Number');
+Serializer.Fields.Number.Simple = new SerializerTestCase(
+  'Simple',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_numbers_float" id="id******************" x="42" y="42">' +
+    '<field name="NUM">123</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Number.Negative = new SerializerTestCase(
+  'Negative',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_numbers_float" id="id******************" x="42" y="42">' +
+    '<field name="NUM">-123</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Number.PosInfinity = new SerializerTestCase(
+  'PosInfinity',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_numbers_float" id="id******************" x="42" y="42">' +
+    '<field name="NUM">Infinity</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Number.NegInfinity = new SerializerTestCase(
+  'NegInfinity',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_numbers_float" id="id******************" x="42" y="42">' +
+    '<field name="NUM">-Infinity</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Number.Decimals = new SerializerTestCase(
+  'Decimals',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_numbers_float" id="id******************" x="42" y="42">' +
+    '<field name="NUM">1.5</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Number.Smallest = new SerializerTestCase(
+  'Smallest',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_numbers_float" id="id******************" x="42" y="42">' +
+    '<field name="NUM">5e-324</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Number.Largest = new SerializerTestCase(
+  'Largest',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_numbers_float" id="id******************" x="42" y="42">' +
+    '<field name="NUM">1.7976931348623157e+308</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Number.MaxPrecisionSmall = new SerializerTestCase(
+  'MaxPrecisionSmall',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_numbers_float" id="id******************" x="42" y="42">' +
+    '<field name="NUM">1.000000000000001</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Number.MaxPrecisionLarge = new SerializerTestCase(
+  'MaxPrecisionLarge',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_numbers_float" id="id******************" x="42" y="42">' +
+    '<field name="NUM">1000000000000001</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Number.testCases = [
+  Serializer.Fields.Number.Simple,
+  Serializer.Fields.Number.Negative,
+  Serializer.Fields.Number.PosInfinity,
+  Serializer.Fields.Number.NegInfinity,
+  Serializer.Fields.Number.Decimals,
+  Serializer.Fields.Number.Smallest,
+  Serializer.Fields.Number.Largest,
+  Serializer.Fields.Number.MaxPrecisionSmall,
+  Serializer.Fields.Number.MaxPrecisionLarge,
+];
+
+Serializer.Fields.TextInput = new SerializerTestSuite('TextInput');
+Serializer.Fields.TextInput.Simple = new SerializerTestCase(
+  'Simple',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_text_input" id="id******************" x="42" y="42">' +
+    '<field name="TEXT_INPUT">test</field>' +
+    '</block>' +
+    '</xml>',
+);
+/* eslint-disable no-tabs */
+Serializer.Fields.TextInput.Tabs = new SerializerTestCase(
+  'Tabs',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_text_input" id="id******************" x="42" y="42">' +
+    '<field name="TEXT_INPUT">line1&amp;#x9line2&amp;#x9line3</field>' +
+    '</block>' +
+    '</xml>',
+);
+/* eslint-enable no-tabs */
+Serializer.Fields.TextInput.Symbols = new SerializerTestCase(
+  'Symbols',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_text_input" id="id******************" x="42" y="42">' +
+    '<field name="TEXT_INPUT">~`!@#$%^*()_+-={[}]|\\:;,.?/</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.TextInput.EscapedSymbols = new SerializerTestCase(
+  'EscapedSymbols',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_text_input" id="id******************" x="42" y="42">' +
+    '<field name="TEXT_INPUT">&amp;&lt;&gt;</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.TextInput.SingleQuotes = new SerializerTestCase(
+  'SingleQuotes',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_text_input" id="id******************" x="42" y="42">' +
+    '<field name="TEXT_INPUT">\'test\'</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.TextInput.DoubleQuotes = new SerializerTestCase(
+  'DoubleQuotes',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_text_input" id="id******************" x="42" y="42">' +
+    '<field name="TEXT_INPUT">"test"</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.TextInput.Numbers = new SerializerTestCase(
+  'Numbers',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_text_input" id="id******************" x="42" y="42">' +
+    '<field name="TEXT_INPUT">1234567890a123a123a</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.TextInput.Emoji = new SerializerTestCase(
+  'Emoji',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_text_input" id="id******************" x="42" y="42">' +
+    '<field name="TEXT_INPUT">😀👋🏿👋🏾👋🏽👋🏼👋🏻😀❤❤❤</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.TextInput.Russian = new SerializerTestCase(
+  'Russian',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_text_input" id="id******************" x="42" y="42">' +
+    '<field name="TEXT_INPUT">ты любопытный кот</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.TextInput.Japanese = new SerializerTestCase(
+  'Japanese',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_text_input" id="id******************" x="42" y="42">' +
+    '<field name="TEXT_INPUT">あなたは好奇心旺盛な猫です</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.TextInput.Zalgo = new SerializerTestCase(
+  'Zalgo',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_text_input" id="id******************" x="42" y="42">' +
+    '<field name="TEXT_INPUT">z̴̪͈̲̜͕̽̈̀͒͂̓̋̉̍a̸̧̧̜̻̘̤̫̱̲͎̞̻͆̋ļ̸̛̖̜̳͚̖͔̟̈́͂̉̀͑̑͑̎ǵ̸̫̳̽̐̃̑̚̕o̶͇̫͔̮̼̭͕̹̘̬͋̀͆̂̇̋͊̒̽</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.TextInput.ControlChars = new SerializerTestCase(
+  'ControlChars',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="test_fields_text_input" id="id******************" x="42" y="42">' +
+    '<field name="TEXT_INPUT">&#01;&#a1;</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.TextInput.testCases = [
+  Serializer.Fields.TextInput.Simple,
+  Serializer.Fields.TextInput.Tabs,
+  Serializer.Fields.TextInput.Symbols,
+  Serializer.Fields.TextInput.EscapedSymbols,
+  Serializer.Fields.TextInput.SingleQuotes,
+  Serializer.Fields.TextInput.DoubleQuotes,
+  Serializer.Fields.TextInput.Numbers,
+  Serializer.Fields.TextInput.Emoji,
+  Serializer.Fields.TextInput.Russian,
+  Serializer.Fields.TextInput.Japanese,
+  Serializer.Fields.TextInput.Zalgo,
+  // TODO: Uncoment once #4945 is merged.
+  // Serializer.Fields.TextInput.ControlChars,
+];
+
+Serializer.Fields.Variable = new SerializerTestSuite('Variable');
+Serializer.Fields.Variable.Simple = new SerializerTestCase(
+  'Simple',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="aaaaaaaaaaaaaaaaaaaa">test</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="aaaaaaaaaaaaaaaaaaaa">test</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.Types = new SerializerTestCase(
+  'Types',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable type="String" id="aaaaaaaaaaaaaaaaaaaa">test</variable>' +
+    '<variable type="Number" id="bbbbbbbbbbbbbbbbbbbb">test2</variable>' +
+    '<variable type="Colour" id="cccccccccccccccccccc">test3</variable>' +
+    '</variables>' +
+    '<block type="variables_get_dynamic" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="aaaaaaaaaaaaaaaaaaaa" variabletype="String">test</field>' +
+    '</block>' +
+    '<block type="variables_get_dynamic" id="id2*****************" x="42" y="84">' +
+    '<field name="VAR" id="bbbbbbbbbbbbbbbbbbbb" variabletype="Number">test2</field>' +
+    '</block>' +
+    '<block type="variables_get_dynamic" id="id3*****************" x="42" y="106">' +
+    '<field name="VAR" id="cccccccccccccccccccc" variabletype="Colour">test3</field>' +
+    '</block>' +
+    '</xml>',
+);
+/* eslint-disable no-tabs */
+Serializer.Fields.Variable.Tabs = new SerializerTestCase(
+  'Tabs',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="aaaaaaaaaaaaaaaaaaaa">line1&amp;#x9line2&amp;#x9line3</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="aaaaaaaaaaaaaaaaaaaa">line1&amp;#x9line2&amp;#x9line3</field>' +
+    '</block>' +
+    '</xml>',
+);
+/* eslint-enable no-tabs */
+Serializer.Fields.Variable.Symbols = new SerializerTestCase(
+  'Symbols',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="aaaaaaaaaaaaaaaaaaaa">~`!@#$%^*()_+-={[}]|\\:;,.?/</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="aaaaaaaaaaaaaaaaaaaa">~`!@#$%^*()_+-={[}]|\\:;,.?/</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.EscapedSymbols = new SerializerTestCase(
+  'EscapedSymbols',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="aaaaaaaaaaaaaaaaaaaa">&amp;&lt;&gt;</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="aaaaaaaaaaaaaaaaaaaa">&amp;&lt;&gt;</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.SingleQuotes = new SerializerTestCase(
+  'SingleQuotes',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="aaaaaaaaaaaaaaaaaaaa">\'test\'</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="aaaaaaaaaaaaaaaaaaaa">\'test\'</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.DoubleQuotes = new SerializerTestCase(
+  'DoubleQuotes',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="aaaaaaaaaaaaaaaaaaaa">"test"</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="aaaaaaaaaaaaaaaaaaaa">"test"</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.Numbers = new SerializerTestCase(
+  'Numbers',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="aaaaaaaaaaaaaaaaaaaa">1234567890a123a123a</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="aaaaaaaaaaaaaaaaaaaa">1234567890a123a123a</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.Emoji = new SerializerTestCase(
+  'Emoji',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="aaaaaaaaaaaaaaaaaaaa">😀👋🏿👋🏾👋🏽👋🏼👋🏻😀❤❤❤</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="aaaaaaaaaaaaaaaaaaaa">😀👋🏿👋🏾👋🏽👋🏼👋🏻😀❤❤❤</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.Russian = new SerializerTestCase(
+  'Russian',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="aaaaaaaaaaaaaaaaaaaa">ты любопытный кот</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="aaaaaaaaaaaaaaaaaaaa">ты любопытный кот</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.Japanese = new SerializerTestCase(
+  'Japanese',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="aaaaaaaaaaaaaaaaaaaa">あなたは好奇心旺盛な猫です</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="aaaaaaaaaaaaaaaaaaaa">あなたは好奇心旺盛な猫です</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.Zalgo = new SerializerTestCase(
+  'Zalgo',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="aaaaaaaaaaaaaaaaaaaa">z̴̪͈̲̜͕̽̈̀͒͂̓̋̉̍a̸̧̧̜̻̘̤̫̱̲͎̞̻͆̋ļ̸̛̖̜̳͚̖͔̟̈́͂̉̀͑̑͑̎ǵ̸̫̳̽̐̃̑̚̕o̶͇̫͔̮̼̭͕̹̘̬͋̀͆̂̇̋͊̒̽</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="aaaaaaaaaaaaaaaaaaaa">z̴̪͈̲̜͕̽̈̀͒͂̓̋̉̍a̸̧̧̜̻̘̤̫̱̲͎̞̻͆̋ļ̸̛̖̜̳͚̖͔̟̈́͂̉̀͑̑͑̎ǵ̸̫̳̽̐̃̑̚̕o̶͇̫͔̮̼̭͕̹̘̬͋̀͆̂̇̋͊̒̽</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.ControlChars = new SerializerTestCase(
+  'ControlChars',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="aaaaaaaaaaaaaaaaaaaa">&#01;&#a1;</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="aaaaaaaaaaaaaaaaaaaa">&#01;&#a1;</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.testCases = [
+  Serializer.Fields.Variable.Simple,
+  Serializer.Fields.Variable.Types,
+  Serializer.Fields.Variable.Tabs,
+  Serializer.Fields.Variable.Symbols,
+  Serializer.Fields.Variable.EscapedSymbols,
+  Serializer.Fields.Variable.SingleQuotes,
+  Serializer.Fields.Variable.DoubleQuotes,
+  Serializer.Fields.Variable.Numbers,
+  Serializer.Fields.Variable.Emoji,
+  Serializer.Fields.Variable.Russian,
+  Serializer.Fields.Variable.Japanese,
+  Serializer.Fields.Variable.Zalgo,
+  // TODO: Uncoment once #4945 is merged.
+  // Serializer.Fields.Variable.ControlChars,
+];
+
+Serializer.Fields.Variable.Id = new SerializerTestSuite('Id');
+
+Serializer.Fields.Variable.Id.Length = new SerializerTestSuite('Length');
+Serializer.Fields.Variable.Id.Length.Short = new SerializerTestCase(
+  'Short',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="id">test</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="id">test</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.Id.Length.Long = new SerializerTestCase(
+  'Long',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="id***********************">test</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="id***********************">test</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.Id.Length.testCases = [
+  Serializer.Fields.Variable.Id.Length.Short,
+  Serializer.Fields.Variable.Id.Length.Long,
+];
+
+Serializer.Fields.Variable.Id.Chars = new SerializerTestSuite('Chars');
+Serializer.Fields.Variable.Id.Chars.Symbols = new SerializerTestCase(
+  'Symbols',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="!#$%()*+,-./:;=?@[]^">test</variable>' +
+    '<variable id="_`{|}~!!!!!!!!!!!!!!">test2</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="!#$%()*+,-./:;=?@[]^">test</field>' +
+    '</block>' +
+    '<block type="variables_get" id="id1*****************" x="42" y="42">' +
+    '<field name="VAR" id="_`{|}~!!!!!!!!!!!!!!">test2</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.Id.Chars.Uppercase = new SerializerTestCase(
+  'Uppercase',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="ABCDEFGHIJKLMNOPQRST">test</variable>' +
+    '<variable id="TUVWXYZAAAAAAAAAAAAA">test2</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="ABCDEFGHIJKLMNOPQRST">test</field>' +
+    '</block>' +
+    '<block type="variables_get" id="id1*****************" x="42" y="42">' +
+    '<field name="VAR" id="TUVWXYZAAAAAAAAAAAAA">test2</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.Id.Chars.Lowercase = new SerializerTestCase(
+  'Lowercase',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="abcdefghijklmnopqrst">test</variable>' +
+    '<variable id="tuvwxyzaaaaaaaaaaaaa">test2</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="abcdefghijklmnopqrst">test</field>' +
+    '</block>' +
+    '<block type="variables_get" id="id1*****************" x="42" y="42">' +
+    '<field name="VAR" id="tuvwxyzaaaaaaaaaaaaa">test2</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.Id.Chars.Numbers = new SerializerTestCase(
+  'Numbers',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="01234567890000000000">test</variable>' +
+    '</variables>' +
+    '<block type="variables_get" id="id******************" x="42" y="42">' +
+    '<field name="VAR" id="01234567890000000000">test</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Fields.Variable.Id.Chars.testCases = [
+  Serializer.Fields.Variable.Id.Chars.Symbols,
+  Serializer.Fields.Variable.Id.Chars.Uppercase,
+  Serializer.Fields.Variable.Id.Chars.Lowercase,
+  Serializer.Fields.Variable.Id.Chars.Numbers,
+];
+
+Serializer.Fields.Variable.Id.testSuites = [
+  Serializer.Fields.Variable.Id.Length,
+  Serializer.Fields.Variable.Id.Chars,
+];
+
+Serializer.Fields.Variable.testSuites = [Serializer.Fields.Variable.Id];
+
+Serializer.Fields.testSuites = [
+  Serializer.Fields.Checkbox,
+  Serializer.Fields.Dropdown,
+  Serializer.Fields.LabelSerializable,
+  Serializer.Fields.Number,
+  Serializer.Fields.TextInput,
+  Serializer.Fields.Variable,
+];
+
+Serializer.Icons = new SerializerTestSuite('Icons');
+
+Serializer.Icons.Comment = new SerializerTestSuite('Comment');
+Serializer.Icons.Comment.Basic = new SerializerTestCase(
+  'Basic',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<comment pinned="false" h="80" w="160">test</comment>' +
+    '</block>' +
+    '</xml>',
+);
+
+Serializer.Icons.Comment.Size = new SerializerTestSuite('Size');
+Serializer.Icons.Comment.Size.Different = new SerializerTestCase(
+  'Different',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<comment pinned="false" h="160" w="80">test</comment>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Icons.Comment.Size.Large = new SerializerTestCase(
+  'Large',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<comment pinned="false" h="10000" w="10000">test</comment>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Icons.Comment.Size.testCases = [
+  Serializer.Icons.Comment.Size.Different,
+  Serializer.Icons.Comment.Size.Large,
+];
+
+Serializer.Icons.Comment.Pinned = new SerializerTestSuite('Pinned');
+Serializer.Icons.Comment.Pinned.True = new SerializerTestCase(
+  'True',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<comment pinned="true" h="80" w="160">test</comment>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Icons.Comment.Pinned.False = new SerializerTestCase(
+  'False',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<comment pinned="false" h="80" w="160">test</comment>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Icons.Comment.Pinned.testCases = [
+  Serializer.Icons.Comment.Pinned.True,
+  Serializer.Icons.Comment.Pinned.False,
+];
+
+Serializer.Icons.Comment.Text = new SerializerTestSuite('Text');
+Serializer.Icons.Comment.Text.Symbols = new SerializerTestCase(
+  'Symbols',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<comment pinned="false" h="80" w="160">~`!@#$%^*()_+-={[}]|\\:;,.?/</comment>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Icons.Comment.Text.EscapedSymbols = new SerializerTestCase(
+  'EscapedSymbols',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<comment pinned="false" h="80" w="160">&amp;&lt;&gt;</comment>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Icons.Comment.Text.SingleQuotes = new SerializerTestCase(
+  'SingleQuotes',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<comment pinned="false" h="80" w="160">\'test\'</comment>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Icons.Comment.Text.DoubleQuotes = new SerializerTestCase(
+  'DoubleQuotes',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<comment pinned="false" h="80" w="160">"test"</comment>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Icons.Comment.Text.Numbers = new SerializerTestCase(
+  'Numbers',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<comment pinned="false" h="80" w="160">1234567890a123a123a</comment>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Icons.Comment.Text.Emoji = new SerializerTestCase(
+  'Emoji',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<comment pinned="false" h="80" w="160">😀👋🏿👋🏾👋🏽👋🏼👋🏻😀❤❤❤</comment>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Icons.Comment.Text.Russian = new SerializerTestCase(
+  'Russian',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<comment pinned="false" h="80" w="160">ты любопытный кот</comment>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Icons.Comment.Text.Japanese = new SerializerTestCase(
+  'Japanese',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<comment pinned="false" h="80" w="160">あなたは好奇心旺盛な猫です</comment>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Icons.Comment.Text.Zalgo = new SerializerTestCase(
+  'Zalgo',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<comment pinned="false" h="80" w="160">z̴̪͈̲̜͕̽̈̀͒͂̓̋̉̍a̸̧̧̜̻̘̤̫̱̲͎̞̻͆̋ļ̸̛̖̜̳͚̖͔̟̈́͂̉̀͑̑͑̎ǵ̸̫̳̽̐̃̑̚̕o̶͇̫͔̮̼̭͕̹̘̬͋̀͆̂̇̋͊̒̽</comment>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Icons.Comment.Text.ControlChars = new SerializerTestCase(
+  'ControlChars',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<comment pinned="false" h="80" w="160">&#01;&#a1;</comment>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Icons.Comment.Text.testCases = [
+  Serializer.Icons.Comment.Text.Symbols,
+  Serializer.Icons.Comment.Text.EscapedSymbols,
+  Serializer.Icons.Comment.Text.SingleQuotes,
+  Serializer.Icons.Comment.Text.DoubleQuotes,
+  Serializer.Icons.Comment.Text.Numbers,
+  Serializer.Icons.Comment.Text.Emoji,
+  Serializer.Icons.Comment.Text.Russian,
+  Serializer.Icons.Comment.Text.Japanese,
+  Serializer.Icons.Comment.Text.Zalgo,
+  // TODO: Uncoment once #4945 is merged.
+  // Serializer.Icons.Comment.Text.ControlChars,
+];
+
+Serializer.Icons.Comment.testSuites = [
+  Serializer.Icons.Comment.Size,
+  Serializer.Icons.Comment.Pinned,
+  Serializer.Icons.Comment.Text,
+];
+
+Serializer.Icons.Comment.testCases = [Serializer.Icons.Comment.Basic];
+
+Serializer.Icons.testSuites = [Serializer.Icons.Comment];
+
+Serializer.Connections = new SerializerTestSuite('Connections');
+
+Serializer.Connections.Child = new SerializerTestSuite('Child');
+Serializer.Connections.Child.Value = new SerializerTestCase(
+  'Value',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<value name="BOOL">' +
+    '<block type="logic_boolean" id="id2*****************">' +
+    '<field name="BOOL">TRUE</field>' +
+    '</block>' +
+    '</value>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.Child.Statement = new SerializerTestCase(
+  'Statement',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_repeat_ext" id="id******************" x="42" y="42">' +
+    '<statement name="DO">' +
+    '<block type="text_print" id="id2*****************"></block>' +
+    '</statement>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.Child.Next = new SerializerTestCase(
+  'Next',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="text_print" id="id******************" x="42" y="42">' +
+    '<next>' +
+    '<block type="text_print" id="id2*****************"></block>' +
+    '</next>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.Child.Row = new SerializerTestCase(
+  'Row',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<value name="BOOL">' +
+    '<block type="logic_negate" id="id2*****************">' +
+    '<value name="BOOL">' +
+    '<block type="logic_boolean" id="id3*****************">' +
+    '<field name="BOOL">TRUE</field>' +
+    '</block>' +
+    '</value>' +
+    '</block>' +
+    '</value>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.Child.Nested = new SerializerTestCase(
+  'Nested',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_repeat_ext" id="id******************" x="42" y="42">' +
+    '<statement name="DO">' +
+    '<block type="controls_repeat_ext" id="id2*****************">' +
+    '<statement name="DO">' +
+    '<block type="text_print" id="id3*****************"></block>' +
+    '</statement>' +
+    '</block>' +
+    '</statement>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.Child.Stack = new SerializerTestCase(
+  'Stack',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="text_print" id="id******************" x="42" y="42">' +
+    '<next>' +
+    '<block type="text_print" id="id2*****************">' +
+    '<next>' +
+    '<block type="text_print" id="id3*****************"></block>' +
+    '</next>' +
+    '</block>' +
+    '</next>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.Child.testCases = [
+  Serializer.Connections.Child.Value,
+  Serializer.Connections.Child.Statement,
+  Serializer.Connections.Child.Next,
+  Serializer.Connections.Child.Row,
+  Serializer.Connections.Child.Nested,
+  Serializer.Connections.Child.Stack,
+];
+
+Serializer.Connections.Shadow = new SerializerTestSuite('Shadow');
+Serializer.Connections.Shadow.Value = new SerializerTestCase(
+  'Value',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<value name="BOOL">' +
+    '<shadow type="logic_boolean" id="id2*****************">' +
+    '<field name="BOOL">TRUE</field>' +
+    '</shadow>' +
+    '</value>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.Shadow.Statement = new SerializerTestCase(
+  'Statement',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_repeat_ext" id="id******************" x="42" y="42">' +
+    '<statement name="DO">' +
+    '<shadow type="text_print" id="id2*****************"></shadow>' +
+    '</statement>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.Shadow.Next = new SerializerTestCase(
+  'Next',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="text_print" id="id******************" x="42" y="42">' +
+    '<next>' +
+    '<shadow type="text_print" id="id2*****************"></shadow>' +
+    '</next>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.Shadow.Row = new SerializerTestCase(
+  'Row',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<value name="BOOL">' +
+    '<shadow type="logic_negate" id="id2*****************">' +
+    '<value name="BOOL">' +
+    '<shadow type="logic_boolean" id="id3*****************">' +
+    '<field name="BOOL">TRUE</field>' +
+    '</shadow>' +
+    '</value>' +
+    '</shadow>' +
+    '</value>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.Shadow.Nested = new SerializerTestCase(
+  'Nested',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_repeat_ext" id="id******************" x="42" y="42">' +
+    '<statement name="DO">' +
+    '<shadow type="controls_repeat_ext" id="id2*****************">' +
+    '<statement name="DO">' +
+    '<shadow type="text_print" id="id3*****************"></shadow>' +
+    '</statement>' +
+    '</shadow>' +
+    '</statement>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.Shadow.Stack = new SerializerTestCase(
+  'Stack',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="text_print" id="id******************" x="42" y="42">' +
+    '<next>' +
+    '<shadow type="text_print" id="id2*****************">' +
+    '<next>' +
+    '<shadow type="text_print" id="id3*****************"></shadow>' +
+    '</next>' +
+    '</shadow>' +
+    '</next>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.Shadow.testCases = [
+  Serializer.Connections.Shadow.Value,
+  Serializer.Connections.Shadow.Statement,
+  Serializer.Connections.Shadow.Next,
+  Serializer.Connections.Shadow.Row,
+  Serializer.Connections.Shadow.Nested,
+  Serializer.Connections.Shadow.Stack,
+];
+
+Serializer.Connections.OverwrittenShadow = new SerializerTestSuite(
+  'OverwrittenShadow',
+);
+Serializer.Connections.OverwrittenShadow.Value = new SerializerTestCase(
+  'Value',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<value name="BOOL">' +
+    '<shadow type="logic_boolean" id="id2*****************">' +
+    '<field name="BOOL">TRUE</field>' +
+    '</shadow>' +
+    '<block type="logic_boolean" id="id3*****************">' +
+    '<field name="BOOL">TRUE</field>' +
+    '</block>' +
+    '</value>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.OverwrittenShadow.Statement = new SerializerTestCase(
+  'Statement',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_repeat_ext" id="id******************" x="42" y="42">' +
+    '<statement name="DO">' +
+    '<shadow type="text_print" id="id2*****************"></shadow>' +
+    '<block type="text_print" id="id3*****************"></block>' +
+    '</statement>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.OverwrittenShadow.Next = new SerializerTestCase(
+  'Next',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="text_print" id="id******************" x="42" y="42">' +
+    '<next>' +
+    '<block type="text_print" id="id2*****************"></block>' +
+    '<shadow type="text_print" id="id3*****************"></shadow>' +
+    '</next>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.OverwrittenShadow.Row = new SerializerTestCase(
+  'Row',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="logic_negate" id="id******************" x="42" y="42">' +
+    '<value name="BOOL">' +
+    '<shadow type="logic_negate" id="id2*****************">' +
+    '<value name="BOOL">' +
+    '<shadow type="logic_boolean" id="id3*****************">' +
+    '<field name="BOOL">TRUE</field>' +
+    '</shadow>' +
+    '</value>' +
+    '</shadow>' +
+    '<block type="logic_boolean" id="id4*****************">' +
+    '<field name="BOOL">TRUE</field>' +
+    '</block>' +
+    '</value>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.OverwrittenShadow.Nested = new SerializerTestCase(
+  'Nested',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_repeat_ext" id="id******************" x="42" y="42">' +
+    '<statement name="DO">' +
+    '<shadow type="controls_repeat_ext" id="id2*****************">' +
+    '<statement name="DO">' +
+    '<shadow type="text_print" id="id3*****************"></shadow>' +
+    '</statement>' +
+    '</shadow>' +
+    '<block type="text_print" id="id4*****************"></block>' +
+    '</statement>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.OverwrittenShadow.Stack = new SerializerTestCase(
+  'Stack',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="text_print" id="id******************" x="42" y="42">' +
+    '<next>' +
+    '<block type="text_print" id="id2*****************"></block>' +
+    '<shadow type="text_print" id="id3*****************">' +
+    '<next>' +
+    '<shadow type="text_print" id="id4*****************"></shadow>' +
+    '</next>' +
+    '</shadow>' +
+    '</next>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Connections.OverwrittenShadow.testCases = [
+  Serializer.Connections.OverwrittenShadow.Value,
+  Serializer.Connections.OverwrittenShadow.Statement,
+  Serializer.Connections.OverwrittenShadow.Next,
+  Serializer.Connections.OverwrittenShadow.Row,
+  Serializer.Connections.OverwrittenShadow.Nested,
+  Serializer.Connections.OverwrittenShadow.Stack,
+];
+
+Serializer.Connections.testSuites = [
+  Serializer.Connections.Child,
+  Serializer.Connections.Shadow,
+  Serializer.Connections.OverwrittenShadow,
+];
+
+Serializer.Mutations = new SerializerTestSuite('Mutations');
+Serializer.Mutations.ListGetIndex = new SerializerTestCase(
+  'ListGetIndex',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="lists_getIndex" id="id" x="42" y="42">' +
+    '<mutation statement="true" at="false"></mutation>' +
+    '<field name="MODE">REMOVE</field>' +
+    '<field name="WHERE">LAST</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ListSetIndex = new SerializerTestCase(
+  'ListSetIndex',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="lists_setIndex" id="id" x="42" y="42">' +
+    '<mutation at="false"></mutation>' +
+    '<field name="MODE">SET</field>' +
+    '<field name="WHERE">LAST</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ListGetSublist = new SerializerTestCase(
+  'ListGetSublist',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="lists_getSublist" id="id" x="42" y="42">' +
+    '<mutation at1="false" at2="false"></mutation>' +
+    '<field name="WHERE1">FIRST</field>' +
+    '<field name="WHERE2">LAST</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.MathNumberProperty = new SerializerTestCase(
+  'MathNumberProperty',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="math_number_property" id="id" x="42" y="42">' +
+    '<mutation divisor_input="true"></mutation>' +
+    '<field name="PROPERTY">DIVISIBLE_BY</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.MathOnList = new SerializerTestCase(
+  'MathOnList',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="math_on_list" id="id" x="42" y="42">' +
+    '<mutation op="MODE"></mutation>' +
+    '<field name="OP">MODE</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.TextJoin = new SerializerTestCase(
+  'TextJoin',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="text_join" id="id" x="42" y="42">' +
+    '<mutation items="10"></mutation>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.TextCharAt = new SerializerTestCase(
+  'TextCharAt',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="text_charAt" id="id" x="42" y="42">' +
+    '<mutation at="false"></mutation>' +
+    '<field name="WHERE">FIRST</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.TextGetSubstring = new SerializerTestCase(
+  'TextGetSubstring',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="text_getSubstring" id="id" x="42" y="42">' +
+    '<mutation at1="true" at2="false"></mutation>' +
+    '<field name="WHERE1">FROM_START</field>' +
+    '<field name="WHERE2">LAST</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.TextPromptExt = new SerializerTestCase(
+  'TextPromptExt',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="text_prompt_ext" id="id" x="42" y="42">' +
+    '<mutation type="NUMBER"></mutation>' +
+    '<field name="TYPE">NUMBER</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.TextPrompt = new SerializerTestCase(
+  'TextPrompt',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="text_prompt" id="id" x="42" y="42">' +
+    '<mutation type="NUMBER"></mutation>' +
+    '<field name="TYPE">NUMBER</field>' +
+    '<field name="TEXT"></field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.testCases = [
+  Serializer.Mutations.ListGetIndex,
+  Serializer.Mutations.ListSetIndex,
+  Serializer.Mutations.ListGetSublist,
+  Serializer.Mutations.MathNumberProperty,
+  Serializer.Mutations.MathOnList,
+  Serializer.Mutations.TextJoin,
+  Serializer.Mutations.TextCharAt,
+  Serializer.Mutations.TextGetSubstring,
+  Serializer.Mutations.TextPromptExt,
+  Serializer.Mutations.TextPrompt,
+];
+
+Serializer.Mutations.ControlsIf = new SerializerTestSuite('ControlsIf');
+Serializer.Mutations.ControlsIf.NoMutation = new SerializerTestCase(
+  'NoMutation',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_if" id="id******************" x="42" y="42"></block>' +
+    '</xml>',
+);
+Serializer.Mutations.ControlsIf.ElseIfAndElse = new SerializerTestCase(
+  'ElseIfAndElse',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_if" id="id******************" x="42" y="42">' +
+    '<mutation elseif="1" else="1"></mutation>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ControlsIf.MultipleElseIfs = new SerializerTestCase(
+  'MultipleElseIfs',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_if" id="id******************" x="42" y="42">' +
+    '<mutation elseif="3"></mutation>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ControlsIf.MutlipleElseIfsAndElse = new SerializerTestCase(
+  'MutlipleElseIfsAndElse',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_if" id="id******************" x="42" y="42">' +
+    '<mutation elseif="3" else="1"></mutation>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ControlsIf.testCases = [
+  Serializer.Mutations.ControlsIf.NoMutation,
+  Serializer.Mutations.ControlsIf.ElseIfAndElse,
+  Serializer.Mutations.ControlsIf.MultipleElseIfs,
+  Serializer.Mutations.ControlsIf.MutlipleElseIfsAndElse,
+];
+
+Serializer.Mutations.ControlsIf.ElseIf = new SerializerTestSuite('ElseIf');
+Serializer.Mutations.ControlsIf.ElseIf.NoChild = new SerializerTestCase(
+  'NoChild',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_if" id="id******************" x="42" y="42">' +
+    '<mutation elseif="1"></mutation>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ControlsIf.ElseIf.Child = new SerializerTestCase(
+  'Child',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_if" id="id******************" x="42" y="42">' +
+    '<mutation elseif="1"></mutation>' +
+    '<statement name="DO1">' +
+    '<block type="text_print" id="id2*****************"></block>' +
+    '</statement>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ControlsIf.ElseIf.Shadow = new SerializerTestCase(
+  'Shadow',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_if" id="id******************" x="42" y="42">' +
+    '<mutation elseif="1"></mutation>' +
+    '<statement name="DO1">' +
+    '<shadow type="text_print" id="id2*****************"></shadow>' +
+    '</statement>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ControlsIf.ElseIf.OverwrittenShadow =
+  new SerializerTestCase(
+    'OverwrittenShadow',
+    '<xml xmlns="https://developers.google.com/blockly/xml">' +
+      '<block type="controls_if" id="id******************" x="42" y="42">' +
+      '<mutation elseif="1"></mutation>' +
+      '<statement name="DO1">' +
+      '<shadow type="text_print" id="id2*****************"></shadow>' +
+      '<block type="text_print" id="id3*****************"></block>' +
+      '</statement>' +
+      '</block>' +
+      '</xml>',
+  );
+Serializer.Mutations.ControlsIf.ElseIf.testCases = [
+  Serializer.Mutations.ControlsIf.ElseIf.NoChild,
+  Serializer.Mutations.ControlsIf.ElseIf.Child,
+  Serializer.Mutations.ControlsIf.ElseIf.Shadow,
+  Serializer.Mutations.ControlsIf.ElseIf.OverwrittenShadow,
+];
+
+Serializer.Mutations.ControlsIf.Else = new SerializerTestSuite('Else');
+Serializer.Mutations.ControlsIf.Else.NoChild = new SerializerTestCase(
+  'NoChild',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_if" id="id******************" x="42" y="42">' +
+    '<mutation else="1"></mutation>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ControlsIf.Else.Child = new SerializerTestCase(
+  'Child',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_if" id="id******************" x="42" y="42">' +
+    '<mutation else="1"></mutation>' +
+    '<statement name="ELSE">' +
+    '<block type="text_print" id="id2*****************"></block>' +
+    '</statement>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ControlsIf.Else.Shadow = new SerializerTestCase(
+  'Shadow',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_if" id="id******************" x="42" y="42">' +
+    '<mutation else="1"></mutation>' +
+    '<statement name="ELSE">' +
+    '<shadow type="text_print" id="id2*****************"></shadow>' +
+    '</statement>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ControlsIf.Else.OverwrittenShadow = new SerializerTestCase(
+  'OverwrittenShadow',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="controls_if" id="id******************" x="42" y="42">' +
+    '<mutation else="1"></mutation>' +
+    '<statement name="ELSE">' +
+    '<shadow type="text_print" id="id2*****************"></shadow>' +
+    '<block type="text_print" id="id3*****************"></block>' +
+    '</statement>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ControlsIf.Else.testCases = [
+  Serializer.Mutations.ControlsIf.Else.NoChild,
+  Serializer.Mutations.ControlsIf.Else.Child,
+  Serializer.Mutations.ControlsIf.Else.Shadow,
+  Serializer.Mutations.ControlsIf.Else.OverwrittenShadow,
+];
+
+Serializer.Mutations.ControlsIf.testSuites = [
+  Serializer.Mutations.ControlsIf.ElseIf,
+  Serializer.Mutations.ControlsIf.Else,
+];
+
+Serializer.Mutations.ListCreate = new SerializerTestSuite('ListCreate');
+Serializer.Mutations.ListCreate.Default = new SerializerTestCase(
+  'Default',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="lists_create_with" id="id******************" x="42" y="42">' +
+    '<mutation items="3"></mutation>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ListCreate.ZeroInputs = new SerializerTestCase(
+  'ZeroInputs',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="lists_create_with" id="id******************" x="42" y="42">' +
+    '<mutation items="0"></mutation>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ListCreate.MultipleInputs = new SerializerTestCase(
+  'MultipleInputs',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="lists_create_with" id="id******************" x="42" y="42">' +
+    '<mutation items="10"></mutation>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ListCreate.testCases = [
+  Serializer.Mutations.ListCreate.Default,
+  Serializer.Mutations.ListCreate.ZeroInputs,
+  Serializer.Mutations.ListCreate.MultipleInputs,
+];
+
+Serializer.Mutations.ListCreate.OneInput = new SerializerTestSuite('OneIput');
+Serializer.Mutations.ListCreate.OneInput.NoChild = new SerializerTestCase(
+  'NoChild',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="lists_create_with" id="id******************" x="42" y="42">' +
+    '<mutation items="1"></mutation>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ListCreate.OneInput.Child = new SerializerTestCase(
+  'Child',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="lists_create_with" id="id******************" x="42" y="42">' +
+    '<mutation items="1"></mutation>' +
+    '<value name="ADD0">' +
+    '<block type="math_random_float" id="id2*****************"></block>' +
+    '</value>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ListCreate.OneInput.Shadow = new SerializerTestCase(
+  'Shadow',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="lists_create_with" id="id******************" x="42" y="42">' +
+    '<mutation items="1"></mutation>' +
+    '<value name="ADD0">' +
+    '<shadow type="math_random_float" id="id2*****************"></shadow>' +
+    '</value>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.ListCreate.OneInput.OverwrittenShadow =
+  new SerializerTestCase(
+    'OverwrittenShadow',
+    '<xml xmlns="https://developers.google.com/blockly/xml">' +
+      '<block type="lists_create_with" id="id******************" x="42" y="42">' +
+      '<mutation items="1"></mutation>' +
+      '<value name="ADD0">' +
+      '<shadow type="math_random_float" id="id2*****************"></shadow>' +
+      '<block type="math_random_float" id="id3*****************"></block>' +
+      '</value>' +
+      '</block>' +
+      '</xml>',
+  );
+Serializer.Mutations.ListCreate.OneInput.testCases = [
+  Serializer.Mutations.ListCreate.OneInput.NoChild,
+  Serializer.Mutations.ListCreate.OneInput.Child,
+  Serializer.Mutations.ListCreate.OneInput.Shadow,
+  Serializer.Mutations.ListCreate.OneInput.OverwrittenShadow,
+];
+
+Serializer.Mutations.ListCreate.testSuites = [
+  Serializer.Mutations.ListCreate.OneInput,
+];
+
+Serializer.Mutations.Procedure = new SerializerTestSuite('Procedure');
+Serializer.Mutations.Procedure.NoMutation = new SerializerTestCase(
+  'NoMutation',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="procedures_defreturn" id="id******************" x="42" y="42">' +
+    '<field name="NAME">do something</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.Procedure.Variables = new SerializerTestCase(
+  'Variables',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="aaaaaaaaaaaaaaaaaaaa">x</variable>' +
+    '<variable id="bbbbbbbbbbbbbbbbbbbb">y</variable>' +
+    '<variable id="cccccccccccccccccccc">z</variable>' +
+    '</variables>' +
+    '<block type="procedures_defreturn" id="id******************" x="42" y="42">' +
+    '<mutation>' +
+    '<arg name="x" varid="aaaaaaaaaaaaaaaaaaaa"></arg>' +
+    '<arg name="y" varid="bbbbbbbbbbbbbbbbbbbb"></arg>' +
+    '<arg name="z" varid="cccccccccccccccccccc"></arg>' +
+    '</mutation>' +
+    '<field name="NAME">do something</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.Procedure.NoStatements = new SerializerTestCase(
+  'NoStatements',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="procedures_defreturn" id="id******************" x="42" y="42">' +
+    '<mutation statements="false"></mutation>' +
+    '<field name="NAME">do something</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.Procedure.IfReturn = new SerializerTestCase(
+  'IfReturn',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="procedures_defnoreturn" id="id" x="42" y="42">' +
+    '<field name="NAME">do something</field>' +
+    '<statement name="STACK">' +
+    '<block type="procedures_ifreturn" id="id2">' +
+    '<mutation value="0"></mutation>' +
+    '</block>' +
+    '</statement>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.Procedure.Caller = new SerializerTestCase(
+  'Caller',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<variables>' +
+    '<variable id="aaaaaaaaaaaaaaaaaaaa">x</variable>' +
+    '<variable id="bbbbbbbbbbbbbbbbbbbb">y</variable>' +
+    '</variables>' +
+    '<block type="procedures_defreturn" id="id2*****************" x="42" y="42">' +
+    '<mutation>' +
+    '<arg name="x" varid="aaaaaaaaaaaaaaaaaaaa"></arg>' +
+    '<arg name="y" varid="bbbbbbbbbbbbbbbbbbbb"></arg>' +
+    '</mutation>' +
+    '<field name="NAME">do something</field>' +
+    '</block>' +
+    '<block type="procedures_callreturn" id="id******************" x="52" y="52">' +
+    '<mutation name="do something">' +
+    '<arg name="x"></arg>' +
+    '<arg name="y"></arg>' +
+    '</mutation>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.Procedure.CollapsedProceduresCallreturn =
+  new SerializerTestCase(
+    'CollapsedProceduresCallreturn',
+    '<xml xmlns="https://developers.google.com/blockly/xml">' +
+      '<variables>' +
+      '<variable id="aaaaaaaaaaaaaaaaaaaa">x</variable>' +
+      '</variables>' +
+      '<block type="procedures_defreturn" id="id******************" x="42" y="42">' +
+      '<mutation>' +
+      '<arg name="x" varid="aaaaaaaaaaaaaaaaaaaa"></arg>' +
+      '</mutation>' +
+      '<field name="NAME">do something</field>' +
+      '<comment pinned="false" h="80" w="160">Describe this function...</comment>' +
+      '</block>' +
+      '<block type="procedures_callreturn" id="id1*****************" collapsed="true" x="52" y="52">' +
+      '<mutation name="do something">' +
+      '<arg name="x"></arg>' +
+      '</mutation>' +
+      '</block>' +
+      '</xml>',
+  );
+Serializer.Mutations.Procedure.CollapsedProceduresCallnoreturn =
+  new SerializerTestCase(
+    'CollapsedProceduresCallnoreturn',
+    '<xml xmlns="https://developers.google.com/blockly/xml">' +
+      '<variables>' +
+      '<variable id="aaaaaaaaaaaaaaaaaaaa">x</variable>' +
+      '</variables>' +
+      '<block type="procedures_defnoreturn" id="id******************" x="42" y="42">' +
+      '<mutation>' +
+      '<arg name="x" varid="aaaaaaaaaaaaaaaaaaaa"></arg>' +
+      '</mutation>' +
+      '<field name="NAME">do something</field>' +
+      '<comment pinned="false" h="80" w="160">Describe this function...</comment>' +
+      '</block>' +
+      '<block type="procedures_callnoreturn" id="id1*****************" collapsed="true" x="52" y="52">' +
+      '<mutation name="do something">' +
+      '<arg name="x"></arg>' +
+      '</mutation>' +
+      '</block>' +
+      '</xml>',
+  );
+Serializer.Mutations.Procedure.testCases = [
+  Serializer.Mutations.Procedure.NoMutation,
+  Serializer.Mutations.Procedure.Variables,
+  Serializer.Mutations.Procedure.NoStatements,
+  Serializer.Mutations.Procedure.IfReturn,
+  Serializer.Mutations.Procedure.Caller,
+  Serializer.Mutations.Procedure.CollapsedProceduresCallreturn,
+  Serializer.Mutations.Procedure.CollapsedProceduresCallnoreturn,
+];
+
+Serializer.Mutations.Procedure.Names = new SerializerTestSuite('Names');
+Serializer.Mutations.Procedure.Names.Symbols = new SerializerTestCase(
+  'Symbols',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="procedures_defreturn" id="id******************" x="42" y="42">' +
+    '<field name="NAME">~`!@#$%^*()_+-={[}]|\\:;,.?/</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.Procedure.Names.EscapedSymbols = new SerializerTestCase(
+  'EscapedSymbols',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="procedures_defreturn" id="id******************" x="42" y="42">' +
+    '<field name="NAME">&amp;&lt;&gt;</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.Procedure.Names.SingleQuotes = new SerializerTestCase(
+  'SingleQuotes',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="procedures_defreturn" id="id******************" x="42" y="42">' +
+    '<field name="NAME">\'test\'</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.Procedure.Names.DoubleQuotes = new SerializerTestCase(
+  'DoubleQuotes',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="procedures_defreturn" id="id******************" x="42" y="42">' +
+    '<field name="NAME">"test"</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.Procedure.Names.Numbers = new SerializerTestCase(
+  'Numbers',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="procedures_defreturn" id="id******************" x="42" y="42">' +
+    '<field name="NAME">1234567890a123a123a</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.Procedure.Names.Emoji = new SerializerTestCase(
+  'Emoji',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="procedures_defreturn" id="id******************" x="42" y="42">' +
+    '<field name="NAME">😀👋🏿👋🏾👋🏽👋🏼👋🏻😀❤❤❤</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.Procedure.Names.Russian = new SerializerTestCase(
+  'Russian',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="procedures_defreturn" id="id******************" x="42" y="42">' +
+    '<field name="NAME">ты любопытный кот</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.Procedure.Names.Japanese = new SerializerTestCase(
+  'Japanese',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="procedures_defreturn" id="id******************" x="42" y="42">' +
+    '<field name="NAME">あなたは好奇心旺盛な猫です</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.Procedure.Names.Zalgo = new SerializerTestCase(
+  'Zalgo',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="procedures_defreturn" id="id******************" x="42" y="42">' +
+    '<field name="NAME">z̴̪͈̲̜͕̽̈̀͒͂̓̋̉̍a̸̧̧̜̻̘̤̫̱̲͎̞̻͆̋ļ̸̛̖̜̳͚̖͔̟̈́͂̉̀͑̑͑̎ǵ̸̫̳̽̐̃̑̚̕o̶͇̫͔̮̼̭͕̹̘̬͋̀͆̂̇̋͊̒̽</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.Procedure.Names.ControlChars = new SerializerTestCase(
+  'ControlChars',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<block type="procedures_defreturn" id="id******************" x="42" y="42">' +
+    '<field name="NAME">&#01;&#a1;</field>' +
+    '</block>' +
+    '</xml>',
+);
+Serializer.Mutations.Procedure.Names.testCases = [
+  Serializer.Mutations.Procedure.Names.Symbols,
+  Serializer.Mutations.Procedure.Names.EscapedSymbols,
+  Serializer.Mutations.Procedure.Names.SingleQuotes,
+  Serializer.Mutations.Procedure.Names.DoubleQuotes,
+  Serializer.Mutations.Procedure.Names.Numbers,
+  Serializer.Mutations.Procedure.Names.Emoji,
+  Serializer.Mutations.Procedure.Names.Russian,
+  Serializer.Mutations.Procedure.Names.Japanese,
+  Serializer.Mutations.Procedure.Names.Zalgo,
+  // TODO: Uncoment once #4945 is merged.
+  // Serializer.Mutations.Procedure.Names.ControlChars,
+];
+
+Serializer.Mutations.Procedure.testSuites = [
+  Serializer.Mutations.Procedure.Names,
+];
+
+Serializer.Mutations.testSuites = [
+  Serializer.Mutations.ControlsIf,
+  Serializer.Mutations.ListCreate,
+  Serializer.Mutations.Procedure,
+];
+
+Serializer.Comments = new SerializerTestSuite('Comments');
+
+Serializer.Comments.Coordinates = new SerializerTestSuite('Coordinates');
+Serializer.Comments.Coordinates.Basic = new SerializerTestCase(
+  'Basic',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="42" y="42" w="42" h="42">' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Coordinates.Negative = new SerializerTestCase(
+  'Negative',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="-42" y="-42" w="42" h="42">' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Coordinates.Zero = new SerializerTestCase(
+  'Zero',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="0" y="0" w="42" h="42">' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Coordinates.testCases = [
+  Serializer.Comments.Coordinates.Basic,
+  Serializer.Comments.Coordinates.Negative,
+  Serializer.Comments.Coordinates.Zero,
+];
+
+Serializer.Comments.Size = new SerializerTestSuite('Size');
+Serializer.Comments.Size.Basic = new SerializerTestCase(
+  'Basic',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="42" y="42" w="42" h="42">' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Size.testCases = [Serializer.Comments.Size.Basic];
+
+Serializer.Comments.Text = new SerializerTestSuite('Text');
+Serializer.Comments.Text.Symbols = new SerializerTestCase(
+  'Symbols',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="42" y="42" w="42" h="42">' +
+    '~`!@#$%^*()_+-={[}]|\\:;,.?/' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Text.EscapedSymbols = new SerializerTestCase(
+  'EscapedSymbols',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="42" y="42" w="42" h="42">' +
+    '&amp;&lt;&gt;' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Text.SingleQuotes = new SerializerTestCase(
+  'SingleQuotes',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="42" y="42" w="42" h="42">' +
+    "'test'" +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Text.DoubleQuotes = new SerializerTestCase(
+  'DoubleQuotes',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="42" y="42" w="42" h="42">' +
+    '"test"' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Text.Numbers = new SerializerTestCase(
+  'Numbers',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="42" y="42" w="42" h="42">' +
+    '1234567890a123a123a' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Text.Emoji = new SerializerTestCase(
+  'Emoji',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="42" y="42" w="42" h="42">' +
+    '😀👋🏿👋🏾👋🏽👋🏼👋🏻😀❤❤❤' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Text.Russian = new SerializerTestCase(
+  'Russian',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="42" y="42" w="42" h="42">' +
+    'ты любопытный кот' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Text.Japanese = new SerializerTestCase(
+  'Japanese',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="42" y="42" w="42" h="42">' +
+    'あなたは好奇心旺盛な猫です' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Text.Zalgo = new SerializerTestCase(
+  'Zalgo',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="42" y="42" w="42" h="42">' +
+    'z̴̪͈̲̜͕̽̈̀͒͂̓̋̉̍a̸̧̧̜̻̘̤̫̱̲͎̞̻͆̋ļ̸̛̖̜̳͚̖͔̟̈́͂̉̀͑̑͑̎ǵ̸̫̳̽̐̃̑̚̕o̶͇̫͔̮̼̭͕̹̘̬͋̀͆̂̇̋͊̒̽' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Text.testCases = [
+  Serializer.Comments.Text.Symbols,
+  Serializer.Comments.Text.EscapedSymbols,
+  Serializer.Comments.Text.SingleQuotes,
+  Serializer.Comments.Text.DoubleQuotes,
+  Serializer.Comments.Text.Numbers,
+  Serializer.Comments.Text.Emoji,
+  Serializer.Comments.Text.Russian,
+  Serializer.Comments.Text.Japanese,
+  Serializer.Comments.Text.Zalgo,
+];
+
+Serializer.Comments.Attributes = new SerializerTestSuite('Attributes');
+Serializer.Comments.Attributes.Collapsed = new SerializerTestCase(
+  'Collapsed',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="42" y="42" w="42" h="42" collapsed="true">' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Attributes.NotEditable = new SerializerTestCase(
+  'NotEditable',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="42" y="42" w="42" h="42" editable="false">' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Attributes.NotMovable = new SerializerTestCase(
+  'NotMovable',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="42" y="42" w="42" h="42" movable="false">' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Attributes.NotDeletable = new SerializerTestCase(
+  'NotDeletable',
+  '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    '<comment id="id******************" x="42" y="42" w="42" h="42" deletable="false">' +
+    '</comment>' +
+    '</xml>',
+);
+Serializer.Comments.Attributes.testCases = [
+  Serializer.Comments.Attributes.Collapsed,
+  Serializer.Comments.Attributes.NotEditable,
+  Serializer.Comments.Attributes.NotMovable,
+  Serializer.Comments.Attributes.NotDeletable,
+];
+
+Serializer.Comments.testSuites = [
+  Serializer.Comments.Coordinates,
+  Serializer.Comments.Size,
+  Serializer.Comments.Text,
+  Serializer.Comments.Attributes,
+];
+
+Serializer.testSuites = [
+  Serializer.Attributes,
+  Serializer.Fields,
+  Serializer.Icons,
+  Serializer.Connections,
+  Serializer.Mutations,
+  Serializer.Comments,
+];
+
+const runSerializerTestSuite = (serializer, deserializer, testSuite) => {
+  const workspaces = Blockly.serialization.workspaces;
+
+  const createTestFunction = function (test) {
+    return function () {
+      Blockly.Xml.domToWorkspace(
+        Blockly.utils.xml.textToDom(test.xml),
+        this.workspace,
+      );
+      if (serializer && deserializer) {
+        const save = serializer(workspaces.save(this.workspace));
+        this.workspace.clear();
+        workspaces.load(deserializer(save), this.workspace);
+      }
+      const newXml = Blockly.Xml.workspaceToDom(this.workspace);
+      chai.assert.equal(Blockly.Xml.domToText(newXml), test.xml);
+    };
+  };
+
+  // This takes in a suite, but we don't care.
+  const createTestCaseFunction = function (_) {
+    return createTestFunction;
+  };
+
+  let suiteCall = testSuite.skip ? suite.skip : suite;
+  suiteCall = testSuite.only ? suite.only : suiteCall;
+
+  suiteCall(testSuite.title, function () {
+    setup(function () {
+      sharedTestSetup.call(this, {fireEventsNow: false});
+      this.workspace = new Blockly.Workspace();
+    });
+
+    teardown(function () {
+      workspaceTeardown.call(this, this.workspace);
+      sharedTestTeardown.call(this);
+    });
+
+    runTestSuites(testSuite.testSuites, createTestCaseFunction);
+    runTestCases(testSuite.testCases, createTestFunction);
+  });
+};
+
+runSerializerTestSuite(null, null, Serializer);
+runSerializerTestSuite(
+  (state) => state,
+  (state) => state,
+  Serializer,
+);
diff --git a/tests/mocha/shortcut_registry_test.js b/tests/mocha/shortcut_registry_test.js
new file mode 100644
index 00000000000..0f48bc2abe8
--- /dev/null
+++ b/tests/mocha/shortcut_registry_test.js
@@ -0,0 +1,452 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {createKeyDownEvent} from './test_helpers/user_input.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Keyboard Shortcut Registry Test', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+    this.registry = Blockly.ShortcutRegistry.registry;
+    this.registry.reset();
+    Blockly.ShortcutItems.registerDefaultShortcuts();
+  });
+  teardown(function () {
+    sharedTestTeardown.call(this);
+  });
+
+  suite('Registering', function () {
+    test('Registering a shortcut', function () {
+      const testShortcut = {'name': 'test_shortcut'};
+      this.registry.register(testShortcut, true);
+      const shortcut = this.registry.getRegistry()['test_shortcut'];
+      chai.assert.equal(shortcut.name, 'test_shortcut');
+    });
+    test('Registers shortcut with same name', function () {
+      const registry = this.registry;
+      const testShortcut = {'name': 'test_shortcut'};
+
+      registry.register(testShortcut);
+
+      const shouldThrow = function () {
+        registry.register(testShortcut);
+      };
+      chai.assert.throws(
+        shouldThrow,
+        Error,
+        'Shortcut named "test_shortcut" already exists.',
+      );
+    });
+    test('Registers shortcut with same name opt_allowOverrides=true', function () {
+      const registry = this.registry;
+      const testShortcut = {'name': 'test_shortcut'};
+      const otherShortcut = {
+        'name': 'test_shortcut',
+        'callback': function () {},
+      };
+
+      registry.register(testShortcut);
+
+      const shouldNotThrow = function () {
+        registry.register(otherShortcut, true);
+      };
+      chai.assert.doesNotThrow(shouldNotThrow);
+      chai.assert.exists(registry.getRegistry()['test_shortcut'].callback);
+    });
+    test('Registering a shortcut with keycodes', function () {
+      const shiftA = this.registry.createSerializedKey('65', [
+        Blockly.ShortcutRegistry.modifierKeys.Shift,
+      ]);
+      const testShortcut = {
+        'name': 'test_shortcut',
+        'keyCodes': ['65', 66, shiftA],
+      };
+      this.registry.register(testShortcut, true);
+      chai.assert.lengthOf(this.registry.getKeyMap()[shiftA], 1);
+      chai.assert.lengthOf(this.registry.getKeyMap()['65'], 1);
+      chai.assert.lengthOf(this.registry.getKeyMap()['66'], 1);
+    });
+    test('Registering a shortcut with allowCollision', function () {
+      const testShortcut = {
+        'name': 'test_shortcut',
+        'keyCodes': ['65'],
+      };
+      const duplicateShortcut = {
+        'name': 'duplicate_shortcut',
+        'keyCodes': ['65'],
+        'allowCollision': true,
+      };
+      this.registry.register(testShortcut);
+      const registry = this.registry;
+      const shouldNotThrow = function () {
+        registry.register(duplicateShortcut);
+      };
+      chai.assert.doesNotThrow(shouldNotThrow);
+    });
+  });
+
+  suite('Unregistering', function () {
+    test('Unregistering a shortcut', function () {
+      const testShortcut = {'name': 'test_shortcut'};
+      this.registry.register(testShortcut);
+      chai.assert.isOk(this.registry.getRegistry()['test_shortcut']);
+      this.registry.unregister('test_shortcut');
+      chai.assert.isUndefined(this.registry.getRegistry()['test_shortcut']);
+    });
+    test('Unregistering a nonexistent shortcut', function () {
+      const consoleStub = sinon.stub(console, 'warn');
+      chai.assert.isUndefined(this.registry.getRegistry['test']);
+
+      const registry = this.registry;
+      chai.assert.isFalse(registry.unregister('test'));
+      sinon.assert.calledOnceWithExactly(
+        consoleStub,
+        'Keyboard shortcut named "test" not found.',
+      );
+    });
+    test('Unregistering a shortcut with key mappings', function () {
+      const testShortcut = {'name': 'test_shortcut'};
+      this.registry.register(testShortcut);
+      this.registry.addKeyMapping('keyCode', 'test_shortcut');
+
+      this.registry.unregister('test_shortcut');
+
+      const shortcut = this.registry.getRegistry()['test_shortcut'];
+      const keyMappings = this.registry.getKeyMap()['keyCode'];
+      chai.assert.isUndefined(shortcut);
+      chai.assert.isUndefined(keyMappings);
+    });
+    test('Unregistering a shortcut with colliding key mappings', function () {
+      const testShortcut = {'name': 'test_shortcut'};
+      const otherShortcut = {'name': 'other_shortcut'};
+      this.registry.register(testShortcut);
+      this.registry.register(otherShortcut);
+      this.registry.addKeyMapping('keyCode', 'test_shortcut');
+      this.registry.addKeyMapping('keyCode', 'other_shortcut', true);
+
+      this.registry.unregister('test_shortcut');
+
+      const shortcut = this.registry.getRegistry()['test_shortcut'];
+      const keyMappings = this.registry.getKeyMap()['keyCode'];
+      chai.assert.lengthOf(keyMappings, 1);
+      chai.assert.isUndefined(shortcut);
+    });
+  });
+
+  suite('addKeyMapping', function () {
+    test('Adds a key mapping', function () {
+      const testShortcut = {'name': 'test_shortcut'};
+      this.registry.register(testShortcut);
+
+      this.registry.addKeyMapping('keyCode', 'test_shortcut');
+
+      const shortcutNames = this.registry.getKeyMap()['keyCode'];
+      chai.assert.lengthOf(shortcutNames, 1);
+      chai.assert.equal(shortcutNames[0], 'test_shortcut');
+    });
+    test('Adds a colliding key mapping - opt_allowCollision=true', function () {
+      const testShortcut = {'name': 'test_shortcut'};
+      const testShortcut2 = {'name': 'test_shortcut_2'};
+      this.registry.register(testShortcut);
+      this.registry.register(testShortcut2);
+      this.registry.addKeyMapping('keyCode', 'test_shortcut_2');
+
+      this.registry.addKeyMapping('keyCode', 'test_shortcut', true);
+
+      const shortcutNames = this.registry.getKeyMap()['keyCode'];
+      chai.assert.lengthOf(shortcutNames, 2);
+      chai.assert.equal(shortcutNames[0], 'test_shortcut');
+      chai.assert.equal(shortcutNames[1], 'test_shortcut_2');
+    });
+    test('Adds a colliding key mapping - opt_allowCollision=false', function () {
+      const testShortcut = {'name': 'test_shortcut'};
+      const testShortcut2 = {'name': 'test_shortcut_2'};
+      this.registry.register(testShortcut);
+      this.registry.register(testShortcut2);
+      this.registry.addKeyMapping('keyCode', 'test_shortcut_2');
+
+      const registry = this.registry;
+      const shouldThrow = function () {
+        registry.addKeyMapping('keyCode', 'test_shortcut');
+      };
+      chai.assert.throws(
+        shouldThrow,
+        Error,
+        'Shortcut named "test_shortcut" collides with shortcuts "test_shortcut_2"',
+      );
+    });
+  });
+
+  suite('removeKeyMapping', function () {
+    test('Removes a key mapping', function () {
+      const testShortcut = {'name': 'test_shortcut'};
+      const testShortcut2 = {'name': 'test_shortcut_2'};
+      this.registry.register(testShortcut);
+      this.registry.register(testShortcut2);
+      this.registry.addKeyMapping('keyCode', 'test_shortcut_2');
+      this.registry.addKeyMapping('keyCode', 'test_shortcut', true);
+
+      const isRemoved = this.registry.removeKeyMapping(
+        'keyCode',
+        'test_shortcut',
+      );
+
+      const shortcutNames = this.registry.getKeyMap()['keyCode'];
+      chai.assert.lengthOf(shortcutNames, 1);
+      chai.assert.equal(shortcutNames[0], 'test_shortcut_2');
+      chai.assert.isTrue(isRemoved);
+    });
+    test('Removes last key mapping for a key', function () {
+      const testShortcut = {'name': 'test_shortcut'};
+      this.registry.register(testShortcut);
+      this.registry.addKeyMapping('keyCode', 'test_shortcut');
+
+      this.registry.removeKeyMapping('keyCode', 'test_shortcut');
+
+      const shortcutNames = this.registry.getKeyMap()['keyCode'];
+      chai.assert.isUndefined(shortcutNames);
+    });
+    test('Removes a key map that does not exist opt_quiet=false', function () {
+      const consoleStub = sinon.stub(console, 'warn');
+      const testShortcut = {'name': 'test_shortcut_2'};
+      this.registry.register(testShortcut);
+      this.registry.addKeyMapping('keyCode', 'test_shortcut_2');
+
+      const isRemoved = this.registry.removeKeyMapping(
+        'keyCode',
+        'test_shortcut',
+      );
+
+      chai.assert.isFalse(isRemoved);
+      sinon.assert.calledOnceWithExactly(
+        consoleStub,
+        'No keyboard shortcut named "test_shortcut" registered with key code "keyCode"',
+      );
+    });
+    test('Removes a key map that does not exist from empty key mapping opt_quiet=false', function () {
+      const consoleStub = sinon.stub(console, 'warn');
+
+      const isRemoved = this.registry.removeKeyMapping(
+        'keyCode',
+        'test_shortcut',
+      );
+
+      chai.assert.isFalse(isRemoved);
+      sinon.assert.calledOnceWithExactly(
+        consoleStub,
+        'No keyboard shortcut named "test_shortcut" registered with key code "keyCode"',
+      );
+    });
+  });
+
+  suite('Setters/Getters', function () {
+    test('Sets the key map', function () {
+      this.registry.setKeyMap({'keyCode': ['test_shortcut']});
+      chai.assert.equal(Object.keys(this.registry.getKeyMap()).length, 1);
+      chai.assert.equal(
+        this.registry.getKeyMap()['keyCode'][0],
+        'test_shortcut',
+      );
+    });
+    test('Gets a copy of the key map', function () {
+      this.registry.setKeyMap({'keyCode': ['a']});
+      const keyMapCopy = this.registry.getKeyMap();
+      keyMapCopy['keyCode'] = ['b'];
+      chai.assert.equal(this.registry.getKeyMap()['keyCode'][0], 'a');
+    });
+    test('Gets a copy of the registry', function () {
+      const shortcut = {'name': 'shortcutName'};
+      this.registry.register(shortcut);
+      const registrycopy = this.registry.getRegistry();
+      registrycopy['shortcutName']['name'] = 'shortcutName1';
+      chai.assert.equal(
+        this.registry.getRegistry()['shortcutName']['name'],
+        'shortcutName',
+      );
+    });
+    test('Gets keyboard shortcuts from a key code', function () {
+      this.registry.setKeyMap({'keyCode': ['shortcutName']});
+      const shortcutNames = this.registry.getShortcutNamesByKeyCode('keyCode');
+      chai.assert.equal(shortcutNames[0], 'shortcutName');
+    });
+    test('Gets keycodes by shortcut name', function () {
+      this.registry.setKeyMap({
+        'keyCode': ['shortcutName'],
+        'keyCode1': ['shortcutName'],
+      });
+      const shortcutNames =
+        this.registry.getKeyCodesByShortcutName('shortcutName');
+      chai.assert.lengthOf(shortcutNames, 2);
+      chai.assert.equal(shortcutNames[0], 'keyCode');
+      chai.assert.equal(shortcutNames[1], 'keyCode1');
+    });
+  });
+
+  suite('onKeyDown', function () {
+    function addShortcut(registry, shortcut, keyCode, returns) {
+      registry.register(shortcut, true);
+      registry.addKeyMapping(keyCode, shortcut.name, true);
+      return sinon.stub(shortcut, 'callback').returns(returns);
+    }
+
+    setup(function () {
+      this.testShortcut = {
+        'name': 'test_shortcut',
+        'callback': function () {
+          return true;
+        },
+        'precondition': function () {
+          return true;
+        },
+      };
+      this.callBackStub = addShortcut(
+        this.registry,
+        this.testShortcut,
+        Blockly.utils.KeyCodes.C,
+        true,
+      );
+    });
+    test('Execute a shortcut from event', function () {
+      const event = createKeyDownEvent(Blockly.utils.KeyCodes.C);
+      chai.assert.isTrue(this.registry.onKeyDown(this.workspace, event));
+      sinon.assert.calledOnce(this.callBackStub);
+    });
+    test('No shortcut executed from event', function () {
+      const event = createKeyDownEvent(Blockly.utils.KeyCodes.D);
+      chai.assert.isFalse(this.registry.onKeyDown(this.workspace, event));
+    });
+    test('No precondition available - execute callback', function () {
+      delete this.testShortcut['precondition'];
+      const event = createKeyDownEvent(Blockly.utils.KeyCodes.C);
+      chai.assert.isTrue(this.registry.onKeyDown(this.workspace, event));
+      sinon.assert.calledOnce(this.callBackStub);
+    });
+    test('Execute all shortcuts in list', function () {
+      const event = createKeyDownEvent(Blockly.utils.KeyCodes.C);
+      const testShortcut2 = {
+        'name': 'test_shortcut_2',
+        'callback': function () {
+          return false;
+        },
+        'precondition': function () {
+          return false;
+        },
+      };
+      const testShortcut2Stub = addShortcut(
+        this.registry,
+        testShortcut2,
+        Blockly.utils.KeyCodes.C,
+        false,
+      );
+      chai.assert.isTrue(this.registry.onKeyDown(this.workspace, event));
+      sinon.assert.calledOnce(testShortcut2Stub);
+      sinon.assert.calledOnce(this.callBackStub);
+    });
+    test('Stop executing shortcut when event is handled', function () {
+      const event = createKeyDownEvent(Blockly.utils.KeyCodes.C);
+      const testShortcut2 = {
+        'name': 'test_shortcut_2',
+        'callback': function () {
+          return false;
+        },
+        'precondition': function () {
+          return false;
+        },
+      };
+      const testShortcut2Stub = addShortcut(
+        this.registry,
+        testShortcut2,
+        Blockly.utils.KeyCodes.C,
+        true,
+      );
+      chai.assert.isTrue(this.registry.onKeyDown(this.workspace, event));
+      sinon.assert.calledOnce(testShortcut2Stub);
+      sinon.assert.notCalled(this.callBackStub);
+    });
+  });
+
+  suite('createSerializedKey', function () {
+    test('Serialize key', function () {
+      const serializedKey = this.registry.createSerializedKey(
+        Blockly.utils.KeyCodes.A,
+      );
+      chai.assert.equal(serializedKey, '65');
+    });
+
+    test('Serialize key code and modifier', function () {
+      const serializedKey = this.registry.createSerializedKey(
+        Blockly.utils.KeyCodes.A,
+        [Blockly.utils.KeyCodes.CTRL],
+      );
+      chai.assert.equal(serializedKey, 'Control+65');
+    });
+    test('Serialize only a modifier', function () {
+      const serializedKey = this.registry.createSerializedKey(null, [
+        Blockly.utils.KeyCodes.CTRL,
+      ]);
+      chai.assert.equal(serializedKey, 'Control');
+    });
+    test('Serialize multiple modifiers', function () {
+      const serializedKey = this.registry.createSerializedKey(null, [
+        Blockly.utils.KeyCodes.CTRL,
+        Blockly.utils.KeyCodes.SHIFT,
+      ]);
+      chai.assert.equal(serializedKey, 'Shift+Control');
+    });
+    test('Order of modifiers should result in same serialized key', function () {
+      const serializedKey = this.registry.createSerializedKey(null, [
+        Blockly.utils.KeyCodes.CTRL,
+        Blockly.utils.KeyCodes.SHIFT,
+      ]);
+      chai.assert.equal(serializedKey, 'Shift+Control');
+      const serializedKeyNewOrder = this.registry.createSerializedKey(null, [
+        Blockly.utils.KeyCodes.SHIFT,
+        Blockly.utils.KeyCodes.CTRL,
+      ]);
+      chai.assert.equal(serializedKeyNewOrder, 'Shift+Control');
+    });
+  });
+
+  suite('serializeKeyEvent', function () {
+    test('Serialize key', function () {
+      const mockEvent = createKeyDownEvent(Blockly.utils.KeyCodes.A);
+      const serializedKey = this.registry.serializeKeyEvent_(mockEvent);
+      chai.assert.equal(serializedKey, '65');
+    });
+    test('Serialize key code and modifier', function () {
+      const mockEvent = createKeyDownEvent(Blockly.utils.KeyCodes.A, [
+        Blockly.utils.KeyCodes.CTRL,
+      ]);
+      const serializedKey = this.registry.serializeKeyEvent_(mockEvent);
+      chai.assert.equal(serializedKey, 'Control+65');
+    });
+    test('Serialize only a modifier', function () {
+      const mockEvent = createKeyDownEvent(null, [Blockly.utils.KeyCodes.CTRL]);
+      const serializedKey = this.registry.serializeKeyEvent_(mockEvent);
+      chai.assert.equal(serializedKey, 'Control');
+    });
+    test('Serialize multiple modifiers', function () {
+      const mockEvent = createKeyDownEvent(null, [
+        Blockly.utils.KeyCodes.CTRL,
+        Blockly.utils.KeyCodes.SHIFT,
+      ]);
+      const serializedKey = this.registry.serializeKeyEvent_(mockEvent);
+      chai.assert.equal(serializedKey, 'Shift+Control');
+    });
+    test('Throw error when incorrect modifier', function () {
+      const registry = this.registry;
+      const shouldThrow = function () {
+        registry.createSerializedKey(Blockly.utils.KeyCodes.K, ['s']);
+      };
+      chai.assert.throws(shouldThrow, Error, 's is not a valid modifier key.');
+    });
+  });
+
+  teardown(function () {});
+});
diff --git a/tests/mocha/test_helpers.js b/tests/mocha/test_helpers.js
deleted file mode 100644
index b14bb7ad954..00000000000
--- a/tests/mocha/test_helpers.js
+++ /dev/null
@@ -1,577 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * Check if a variable with the given values exists.
- * @param {Blockly.Workspace|Blockly.VariableMap} container The workspace  or
- *     variableMap the checked variable belongs to.
- * @param {!string} name The expected name of the variable.
- * @param {!string} type The expected type of the variable.
- * @param {!string} id The expected id of the variable.
- */
-function assertVariableValues(container, name, type, id) {
-  var variable = container.getVariableById(id);
-  chai.assert.isDefined(variable);
-  chai.assert.equal(variable.name, name);
-  chai.assert.equal(variable.type, type);
-  chai.assert.equal(variable.getId(), id);
-}
-
-/**
- * Captures the strings sent to console.warn() when calling a function.
- * @param {function} innerFunc The function where warnings may called.
- * @return {string[]} The warning messages (only the first arguments).
- */
-function captureWarnings(innerFunc) {
-  var msgs = [];
-  var nativeConsoleWarn = console.warn;
-  try {
-    console.warn = function(msg) {
-      msgs.push(msg);
-    };
-    innerFunc();
-  } finally {
-    console.warn = nativeConsoleWarn;
-  }
-  return msgs;
-}
-
-/**
- * Asserts that the given function logs the provided warning messages.
- * @param {function} innerFunc The function to call.
- * @param {Array<!RegExp>|!RegExp} messages A list of regex for the expected
- *    messages (in the expected order).
- */
-function assertWarnings(innerFunc, messages) {
-  if (!Array.isArray(messages)) {
-    messages = [messages];
-  }
-  var warnings = captureWarnings(innerFunc);
-  chai.assert.lengthOf(warnings, messages.length);
-  messages.forEach((message, i) => {
-    chai.assert.match(warnings[i], message);
-  });
-}
-
-/**
- * Asserts that the given function logs no warning messages.
- * @param {function} innerFunc The function to call.
- */
-function assertNoWarnings(innerFunc) {
-  assertWarnings(innerFunc, []);
-}
-
-/**
- * Stubs Blockly.utils.deprecation.warn call.
- * @return {!SinonStub} The created stub.
- */
-function createDeprecationWarningStub() {
-  return sinon.stub(Blockly.utils.deprecation, 'warn');
-}
-
-/**
- * Asserts whether the given deprecation warning stub or call was called with
- * the expected functionName.
- * @param {!SinonSpy|!SinonSpyCall} spyOrSpyCall The spy or spy call to use.
- * @param {string} functionName The function name to check that the given spy or
- *    spy call was called with.
- */
-function assertDeprecationWarningCall(spyOrSpyCall, functionName) {
-  sinon.assert.calledWith(spyOrSpyCall, functionName);
-}
-
-/**
- * Asserts that there was a single deprecation warning call with the given
- * functionName passed.
- * @param {!SinonSpy} spy The spy to use.
- * @param {string} functionName The function name to check that the given spy
- *    was called with.
- */
-function assertSingleDeprecationWarningCall(spy, functionName) {
-  sinon.assert.calledOnce(spy);
-  assertDeprecationWarningCall(spy.getCall(0), functionName);
-}
-
-/**
- * Safely disposes of Blockly workspace, logging any errors.
- * Assumes that sharedTestSetup has also been called. This should be called
- * using workspaceTeardown.call(this).
- * @param {!Blockly.Workspace} workspace The workspace to dispose.
- */
-function workspaceTeardown(workspace) {
-  try {
-    this.clock.runAll();  // Run all queued setTimeout calls.
-    workspace.dispose();
-    this.clock.runAll();  // Run all remaining queued setTimeout calls.
-  } catch (e) {
-    var testRef = this.currentTest || this.test;
-    console.error(testRef.fullTitle() + '\n', e);
-  }
-}
-
-/**
- * Creates stub for Blockly.Events.fire that advances the clock forward after
- * the event fires so it is processed immediately instead of on a timeout.
- * @param {!SinonClock} clock The sinon clock.
- * @return {!SinonStub} The created stub.
- * @private
- */
-function createEventsFireStubFireImmediately_(clock) {
-  var stub = sinon.stub(Blockly.Events, 'fire');
-  stub.callsFake(function(event) {
-    // Call original method.
-    stub.wrappedMethod.call(this, ...arguments);
-    // Advance clock forward to run any queued events.
-    clock.runAll();
-  });
-  return stub;
-}
-
-/**
- * Adds message to shared cleanup object so that it is cleaned from
- *    Blockly.Messages global in sharedTestTeardown.
- * @param {!Object} sharedCleanupObj The shared cleanup object created in
- *    sharedTestSetup.
- * @param {string} message The message to add to shared cleanup object.
- */
-function addMessageToCleanup(sharedCleanupObj, message) {
-  sharedCleanupObj.messagesCleanup_.push(message);
-}
-
-/**
- * Adds block type to shared cleanup object so that it is cleaned from
- *    Blockly.Blocks global in sharedTestTeardown.
- * @param {!Object} sharedCleanupObj The shared cleanup object created in
- *    sharedTestSetup.
- * @param {string} blockType The block type to add to shared cleanup object.
- */
-function addBlockTypeToCleanup(sharedCleanupObj, blockType) {
-  sharedCleanupObj.blockTypesCleanup_.push(blockType);
-}
-
-/**
- * Wraps Blockly.defineBlocksWithJsonArray using stub in order to keep track of
- * block types passed in to method on shared cleanup object so they are cleaned
- * from Blockly.Blocks global in sharedTestTeardown.
- * @param {!Object} sharedCleanupObj The shared cleanup object created in
- *    sharedTestSetup.
- * @private
- */
-function wrapDefineBlocksWithJsonArrayWithCleanup_(sharedCleanupObj) {
-  var stub = sinon.stub(Blockly, 'defineBlocksWithJsonArray');
-  stub.callsFake(function(jsonArray) {
-    if (jsonArray) {
-      jsonArray.forEach((jsonBlock) => {
-        if (jsonBlock) {
-          addBlockTypeToCleanup(sharedCleanupObj, jsonBlock['type']);
-        }
-      });
-    }
-    // Calls original method.
-    stub.wrappedMethod.call(this, ...arguments);
-  });
-}
-
-/**
- * Shared setup method that sets up fake timer for clock so that pending
- * setTimeout calls can be cleared in test teardown along with other common
- * stubs. Should be called in setup of outermost suite using
- * sharedTestSetup.call(this).
- * The sinon fake timer defined on this.clock_ should not be reset in tests to
- * avoid causing issues with cleanup in sharedTestTeardown.
- *
- * Stubs created in this setup (unless disabled by options passed):
- *  - Blockly.Events.fire - this.eventsFireStub - wraps fire event to trigger
- *      fireNow_ call immediately, rather than on timeout
- *  - Blockly.defineBlocksWithJsonArray - thin wrapper that adds logic to keep
- *      track of block types defined so that they can be undefined in
- *      sharedTestTeardown and calls original method.
- *
- * @param {Object<string, boolean>} options Options to enable/disable setup
- *    of certain stubs.
- */
-function sharedTestSetup(options = {}) {
-  this.sharedSetupCalled_ = true;
-  // Sandbox created for greater control when certain stubs are cleared.
-  this.sharedSetupSandbox_ = sinon.createSandbox();
-  this.clock = this.sharedSetupSandbox_.useFakeTimers();
-  if (options['fireEventsNow'] === undefined || options['fireEventsNow']) {
-    // Stubs event firing unless passed option "fireEventsNow: false"
-    this.eventsFireStub = createEventsFireStubFireImmediately_(this.clock);
-  }
-  this.sharedCleanup = {
-    blockTypesCleanup_: [],
-    messagesCleanup_: []
-
-  };
-  this.blockTypesCleanup_ = this.sharedCleanup.blockTypesCleanup_;
-  this.messagesCleanup_ = this.sharedCleanup.messagesCleanup_;
-  wrapDefineBlocksWithJsonArrayWithCleanup_(this.sharedCleanup);
-}
-
-/**
- * Shared cleanup method that clears up pending setTimeout calls, disposes of
- * workspace, and resets global variables. Should be called in setup of
- * outermost suite using sharedTestTeardown.call(this).
- */
-function sharedTestTeardown() {
-  var testRef = this.currentTest || this.test;
-  if (!this.sharedSetupCalled_) {
-    console.error('"' + testRef.fullTitle() +
-        '" did not call sharedTestSetup');
-  }
-
-  try {
-    if (this.workspace) {
-      workspaceTeardown.call(this, this.workspace);
-      this.workspace = null;
-    } else {
-      this.clock.runAll();  // Run all queued setTimeout calls.
-    }
-  } catch (e) {
-    console.error(testRef.fullTitle() + '\n', e);
-  } finally {
-    // Clear Blockly.Event state.
-    Blockly.Events.setGroup(false);
-    Blockly.Events.disabled_ = 0;
-    if (Blockly.Events.FIRE_QUEUE_.length) {
-      // If this happens, it may mean that some previous test is missing cleanup
-      // (i.e. a previous test added an event to the queue on a timeout that
-      // did not use a stubbed clock).
-      Blockly.Events.FIRE_QUEUE_.length = 0;
-      console.warn(testRef.fullTitle() +
-          '" needed cleanup of Blockly.Events.FIRE_QUEUE_. This may indicate ' +
-          'leakage from an earlier test');
-    }
-
-    // Restore all stubbed methods.
-    this.sharedSetupSandbox_.restore();
-    sinon.restore();
-
-    var blockTypes = this.sharedCleanup.blockTypesCleanup_;
-    for (let i = 0; i < blockTypes.length; i++) {
-      delete Blockly.Blocks[blockTypes[i]];
-    }
-    var messages = this.sharedCleanup.messagesCleanup_;
-    for (let i = 0; i < messages.length; i++) {
-      delete Blockly.Msg[messages[i]];
-    }
-  }
-}
-
-/**
- * Creates stub for Blockly.utils.genUid that returns the provided id or ids.
- * Recommended to also assert that the stub is called the expected number of
- * times.
- * @param {string|!Array<string>} returnIds The return values to use for the
- *    created stub. If a single value is passed, then the stub always returns
- *    that value.
- * @return {!SinonStub} The created stub.
- */
-function createGenUidStubWithReturns(returnIds) {
-  var stub = sinon.stub(Blockly.utils, "genUid");
-  if (Array.isArray(returnIds)) {
-    for (var i = 0; i < returnIds.length; i++) {
-      stub.onCall(i).returns(returnIds[i]);
-    }
-  } else {
-    stub.returns(returnIds);
-  }
-  return stub;
-}
-
-/**
- * Creates spy for workspace fireChangeListener
- * @param {!Blockly.Workspace} workspace The workspace to spy fireChangeListener
- *    calls on.
- * @return {!SinonSpy} The created spy.
- */
-function createFireChangeListenerSpy(workspace) {
-  return sinon.spy(workspace, 'fireChangeListener');
-}
-
-/**
- * Asserts whether the given xml property has the expected property.
- * @param {!Node} xmlValue The xml value to check.
- * @param {!Node|string} expectedValue The expected value.
- * @param {string=} message Optional message to use in assert message.
- * @private
- */
-function assertXmlPropertyEqual_(xmlValue, expectedValue, message) {
-  var value = Blockly.Xml.domToText(xmlValue);
-  if (expectedValue instanceof Node) {
-    expectedValue = Blockly.Xml.domToText(expectedValue);
-  }
-  chai.assert.equal(value, expectedValue, message);
-}
-
-/**
- * Asserts that the given object has the expected xml properties.
- * @param {Object} obj The object to check.
- * @param {Object<string, Node|string>} expectedXmlProperties The expected xml
- *    properties.
- * @private
- */
-function assertXmlProperties_(obj, expectedXmlProperties) {
-  Object.keys(expectedXmlProperties).map((key) => {
-    var value = obj[key];
-    var expectedValue = expectedXmlProperties[key];
-    if (expectedValue === undefined) {
-      chai.assert.isUndefined(value,
-          'Expected ' + key + ' property to be undefined');
-      return;
-    }
-    chai.assert.exists(value, 'Expected ' + key + ' property to exist');
-    assertXmlPropertyEqual_(value, expectedValue, 'Checking property ' + key);
-  });
-}
-
-/**
- * Whether given key indicates that the property is xml.
- * @param {string} key The key to check.
- * @return {boolean} Whether the given key is for xml property.
- * @private
- */
-function isXmlProperty_(key) {
-  return key.toLowerCase().endsWith('xml');
-}
-
-/**
- * Asserts that the given event has the expected values.
- * @param {!Blockly.Event.Abstract} event The event to check.
- * @param {string} expectedType Expected type of event fired.
- * @param {string} expectedWorkspaceId Expected workspace id of event fired.
- * @param {string} expectedBlockId Expected block id of event fired.
- * @param {!Object<string, *>} expectedProperties Map of of additional expected
- *    properties to check on fired event.
- * @param {string=} message Optional message to prepend assert messages.
- */
-function assertEventEquals(event, expectedType,
-    expectedWorkspaceId, expectedBlockId, expectedProperties, message) {
-  var prependMessage = message ? message + ' ' : '';
-  prependMessage += 'Event fired ';
-  chai.assert.equal(event.type, expectedType,
-      prependMessage + 'type');
-  chai.assert.equal(event.workspaceId, expectedWorkspaceId,
-      prependMessage + 'workspace id');
-  chai.assert.equal(event.blockId, expectedBlockId,
-      prependMessage + 'block id');
-  Object.keys(expectedProperties).map((key) => {
-    var value = event[key];
-    var expectedValue = expectedProperties[key];
-    if (expectedValue === undefined) {
-      chai.assert.isUndefined(value, prependMessage + key);
-      return;
-    }
-    chai.assert.exists(value, prependMessage + key);
-    if (isXmlProperty_(key)) {
-      assertXmlPropertyEqual_(value, expectedValue,
-          prependMessage + key);
-    } else {
-      chai.assert.equal(value, expectedValue,
-          prependMessage + key);
-    }
-  });
-}
-
-/**
- * Asserts that an event with the given values was fired.
- * @param {!SinonSpy|!SinonSpyCall} spy The spy or spy call to use.
- * @param {function(new:Blockly.Events.Abstract)} instanceType Expected instance
- *    type of event fired.
- * @param {!Object<string, *>} expectedProperties Map of of expected properties
- *    to check on fired event.
- * @param {string} expectedWorkspaceId Expected workspace id of event fired.
- * @param {?string=} expectedBlockId Expected block id of event fired.
- */
-function assertEventFired(spy, instanceType, expectedProperties,
-    expectedWorkspaceId, expectedBlockId) {
-  expectedProperties = Object.assign({
-    type: instanceType.prototype.type,
-    workspaceId: expectedWorkspaceId,
-    blockId: expectedBlockId,
-  }, expectedProperties);
-  var expectedEvent =
-      sinon.match.instanceOf(instanceType).and(sinon.match(expectedProperties));
-  sinon.assert.calledWith(spy, expectedEvent);
-}
-
-/**
- * Asserts that an event with the given values was not fired.
- * @param {!SpyCall} spy The spy to use.
- * @param {function(new:Blockly.Events.Abstract)} instanceType Expected instance
- *    type of event fired.
- * @param {!Object<string, *>} expectedProperties Map of of expected properties
- *    to check on fired event.
- * @param {string=} expectedWorkspaceId Expected workspace id of event fired.
- * @param {?string=} expectedBlockId Expected block id of event fired.
- */
-function assertEventNotFired(spy, instanceType, expectedProperties,
-    expectedWorkspaceId, expectedBlockId) {
-  expectedProperties.type = instanceType.prototype.type;
-  if (expectedWorkspaceId !== undefined) {
-    expectedProperties.workspaceId = expectedWorkspaceId;
-  }
-  if (expectedBlockId !== undefined) {
-    expectedProperties.blockId = expectedBlockId;
-  }
-  var expectedEvent =
-      sinon.match.instanceOf(instanceType).and(sinon.match(expectedProperties));
-  sinon.assert.neverCalledWith(spy, expectedEvent);
-}
-
-/**
- * Filters out xml properties from given object based on key.
- * @param {Object<string, *>} properties The properties to filter.
- * @return {[Object<string, *>, Object<string, *>]} A list containing split non
- *    xml properties and xml properties.
- * @private
- */
-function splitByXmlProperties_(properties) {
-  var xmlProperties = {};
-  var nonXmlProperties = {};
-  Object.keys(properties).forEach((key) => {
-    if (isXmlProperty_(key)) {
-      xmlProperties[key] = properties[key];
-      return false;
-    } else {
-      nonXmlProperties[key] = properties[key];
-    }
-  });
-  return [nonXmlProperties, xmlProperties];
-}
-
-/**
- * Asserts that the event passed to the nth call of the given spy has the
- * expected values. Assumes that the event is passed as the first argument.
- * @param {!SinonSpy} spy The spy to use.
- * @param {number} n Which call to check.
- * @param {function(new:Blockly.Events.Abstract)} instanceType Expected instance
- *    type of event fired.
- * @param {Object<string, *>} expectedProperties Map of of expected properties
- *    to check on fired event.
- * @param {string} expectedWorkspaceId Expected workspace id of event fired.
- * @param {?string=} expectedBlockId Expected block id of event fired.
- */
-function assertNthCallEventArgEquals(spy, n, instanceType, expectedProperties,
-    expectedWorkspaceId, expectedBlockId) {
-  var nthCall = spy.getCall(n);
-  var splitProperties = splitByXmlProperties_(expectedProperties);
-  var nonXmlProperties = splitProperties[0];
-  var xmlProperties = splitProperties[1];
-
-  assertEventFired(nthCall, instanceType, nonXmlProperties, expectedWorkspaceId,
-      expectedBlockId);
-  var eventArg = nthCall.firstArg;
-  assertXmlProperties_(eventArg, xmlProperties);
-}
-
-function defineStackBlock(sharedCleanupObj) {
-  Blockly.defineBlocksWithJsonArray([{
-    "type": "stack_block",
-    "message0": "",
-    "previousStatement": null,
-    "nextStatement": null
-  }]);
-}
-
-function defineRowBlock(sharedCleanupObj) {
-  Blockly.defineBlocksWithJsonArray([{
-    "type": "row_block",
-    "message0": "%1",
-    "args0": [
-      {
-        "type": "input_value",
-        "name": "INPUT"
-      }
-    ],
-    "output": null
-  }]);
-}
-
-function defineStatementBlock(sharedCleanupObj) {
-  Blockly.defineBlocksWithJsonArray([{
-    "type": "statement_block",
-    "message0": "%1",
-    "args0": [
-      {
-        "type": "input_statement",
-        "name": "NAME"
-      }
-    ],
-    "previousStatement": null,
-    "nextStatement": null,
-    "colour": 230,
-    "tooltip": "",
-    "helpUrl": ""
-  }]);
-}
-function defineBasicBlockWithField(sharedCleanupObj) {
-  Blockly.defineBlocksWithJsonArray([{
-    "type": "test_field_block",
-    "message0": "%1",
-    "args0": [
-      {
-        "type": "field_input",
-        "name": "NAME"
-      }
-    ],
-    "output": null
-  }]);
-}
-
-function createTestBlock() {
-  return {
-    id: 'test',
-    rendered: false,
-    workspace: {
-      rendered: false
-    }
-  };
-}
-
-function createRenderedBlock(workspaceSvg, type) {
-  var block = workspaceSvg.newBlock(type);
-  block.initSvg();
-  block.render();
-  return block;
-}
-
-/**
- * Triggers pointer event on target.
- * @param {!EventTarget} target The object receiving the event.
- * @param {string} type The type of mouse event (eg: mousedown, mouseup,
- *    click).
- * @param {Object<string, string>=} properties Properties to pass into event
- *    constructor.
- */
-function dispatchPointerEvent(target, type, properties) {
-  const eventInitDict = {
-    cancelable: true,
-    bubbles: true,
-    isPrimary: true,
-    pressure: 0.5,
-    clientX: 10,
-    clientY: 10,
-  };
-  if (properties) {
-    Object.assign(eventInitDict, properties);
-  }
-  const event = new PointerEvent(type, eventInitDict);
-  target.dispatchEvent(event);
-}
-
-/**
- * Simulates mouse click by triggering relevant mouse events.
- * @param {!EventTarget} target The object receiving the event.
- * @param {Object<string, string>=} properties Properties to pass into event
- *    constructor.
- */
-function simulateClick(target, properties) {
-  dispatchPointerEvent(target, 'pointerdown', properties);
-  dispatchPointerEvent(target, 'pointerup', properties);
-  dispatchPointerEvent(target, 'click', properties);
-}
diff --git a/tests/mocha/test_helpers/block_definitions.js b/tests/mocha/test_helpers/block_definitions.js
new file mode 100644
index 00000000000..26507b29cb8
--- /dev/null
+++ b/tests/mocha/test_helpers/block_definitions.js
@@ -0,0 +1,204 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export function defineEmptyBlock(name = 'empty_block') {
+  Blockly.defineBlocksWithJsonArray([
+    {
+      'type': name,
+      'message0': '',
+    },
+  ]);
+}
+
+export function defineStackBlock(name = 'stack_block') {
+  Blockly.defineBlocksWithJsonArray([
+    {
+      'type': name,
+      'message0': '',
+      'previousStatement': null,
+      'nextStatement': null,
+    },
+  ]);
+}
+
+export function defineRowBlock(name = 'row_block') {
+  Blockly.defineBlocksWithJsonArray([
+    {
+      'type': name,
+      'message0': '%1',
+      'args0': [
+        {
+          'type': 'input_value',
+          'name': 'INPUT',
+        },
+      ],
+      'output': null,
+    },
+  ]);
+}
+
+export function defineRowToStackBlock(name = 'row_to_stack_block') {
+  Blockly.defineBlocksWithJsonArray([
+    {
+      'type': name,
+      'message0': '',
+      'output': null,
+      'nextStatement': null,
+    },
+  ]);
+}
+
+export function defineStatementBlock(name = 'statement_block') {
+  Blockly.defineBlocksWithJsonArray([
+    {
+      'type': name,
+      'message0': '%1',
+      'args0': [
+        {
+          'type': 'input_statement',
+          'name': 'NAME',
+        },
+      ],
+      'previousStatement': null,
+      'nextStatement': null,
+      'colour': 230,
+      'tooltip': '',
+      'helpUrl': '',
+    },
+  ]);
+}
+
+export function defineBasicBlockWithField(name = 'test_field_block') {
+  Blockly.defineBlocksWithJsonArray([
+    {
+      'type': name,
+      'message0': '%1',
+      'args0': [
+        {
+          'type': 'field_input',
+          'name': 'NAME',
+        },
+      ],
+      'output': null,
+    },
+  ]);
+}
+
+export function defineMutatorBlocks() {
+  Blockly.defineBlocksWithJsonArray([
+    {
+      'type': 'xml_block',
+      'mutator': 'xml_mutator',
+    },
+    {
+      'type': 'jso_block',
+      'mutator': 'jso_mutator',
+    },
+    {
+      'type': 'checkbox_block',
+      'message0': '%1',
+      'args0': [
+        {
+          'type': 'field_checkbox',
+          'name': 'CHECK',
+        },
+      ],
+    },
+  ]);
+
+  const xmlMutator = {
+    hasInput: false,
+
+    mutationToDom: function () {
+      const mutation = Blockly.utils.xml.createElement('mutation');
+      mutation.setAttribute('hasInput', this.hasInput);
+      return mutation;
+    },
+
+    domToMutation: function (mutation) {
+      this.hasInput = mutation.getAttribute('hasInput') == 'true';
+      this.updateShape();
+    },
+
+    decompose: function (workspace) {
+      const topBlock = workspace.newBlock('checkbox_block', 'check_block');
+      topBlock.initSvg();
+      topBlock.render();
+      return topBlock;
+    },
+
+    compose: function (topBlock) {
+      this.hasInput = topBlock.getFieldValue('CHECK') == 'TRUE';
+      this.updateShape();
+    },
+
+    updateShape: function () {
+      if (this.hasInput && !this.getInput('INPUT')) {
+        this.appendValueInput('INPUT');
+      } else if (!this.hasInput && this.getInput('INPUT')) {
+        this.removeInput('INPUT');
+      }
+    },
+  };
+  Blockly.Extensions.registerMutator('xml_mutator', xmlMutator);
+
+  const jsoMutator = {
+    hasInput: false,
+
+    saveExtraState: function () {
+      return {hasInput: this.hasInput};
+    },
+
+    loadExtraState: function (state) {
+      this.hasInput = state.hasInput || false;
+      this.updateShape();
+    },
+
+    decompose: function (workspace) {
+      const topBlock = workspace.newBlock('checkbox_block', 'check_block');
+      topBlock.initSvg();
+      topBlock.render();
+      return topBlock;
+    },
+
+    compose: function (topBlock) {
+      this.hasInput = topBlock.getFieldValue('CHECK') == 'TRUE';
+      this.updateShape();
+    },
+
+    updateShape: function () {
+      if (this.hasInput && !this.getInput('INPUT')) {
+        this.appendValueInput('INPUT');
+      } else if (!this.hasInput && this.getInput('INPUT')) {
+        this.removeInput('INPUT');
+      }
+    },
+  };
+  Blockly.Extensions.registerMutator('jso_mutator', jsoMutator);
+}
+
+export function createTestBlock() {
+  return {
+    'id': 'test',
+    'rendered': false,
+    'workspace': {
+      'rendered': false,
+    },
+    'isShadow': function () {
+      return false;
+    },
+    'renameVarById': Blockly.Block.prototype.renameVarById,
+    'updateVarName': Blockly.Block.prototype.updateVarName,
+    'isDeadOrDying': () => false,
+  };
+}
+
+export function createRenderedBlock(workspaceSvg, type) {
+  const block = workspaceSvg.newBlock(type);
+  block.initSvg();
+  block.render();
+  return block;
+}
diff --git a/tests/mocha/test_helpers/code_generation.js b/tests/mocha/test_helpers/code_generation.js
new file mode 100644
index 00000000000..b65fb1e78f4
--- /dev/null
+++ b/tests/mocha/test_helpers/code_generation.js
@@ -0,0 +1,116 @@
+/* eslint-disable valid-jsdoc */
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {runTestSuites} from './common.js';
+
+/**
+ * Code generation test case configuration.
+ * @implements {TestCase}
+ * @record
+ */
+export class CodeGenerationTestCase {
+  /**
+   * Class for a code generation test case.
+   */
+  constructor() {
+    /**
+     * @type {string} The expected code.
+     */
+    this.expectedCode;
+    /**
+     * @type {boolean|undefined} Whether to use workspaceToCode instead of
+     * blockToCode for test.
+     */
+    this.useWorkspaceToCode;
+    /**
+     * @type {number|undefined} The expected inner order.
+     */
+    this.expectedInnerOrder;
+  }
+
+  /**
+   * Creates the block to use for this test case.
+   * @param {!Blockly.Workspace} workspace The workspace context for this
+   *    test.
+   * @return {!Blockly.Block} The block to use for the test case.
+   */
+  createBlock(workspace) {}
+}
+
+/**
+ * Code generation test suite.
+ * @extends {TestSuite<CodeGenerationTestCase, CodeGenerationTestSuite>}
+ * @record
+ */
+export class CodeGenerationTestSuite {
+  /**
+   * Class for a code generation test suite.
+   */
+  constructor() {
+    /**
+     * @type {!Blockly.CodeGenerator} The generator to use for running test cases.
+     */
+    this.generator;
+  }
+}
+
+/**
+ * Returns mocha test callback for code generation based on provided
+ *    generator.
+ * @param {!Blockly.CodeGenerator} generator The generator to use in test.
+ * @return {function(!CodeGenerationTestCase):!Function} Function that
+ *    returns mocha test callback based on test case.
+ * @private
+ */
+const createCodeGenerationTestFn_ = (generator) => {
+  return (testCase) => {
+    return function () {
+      const block = testCase.createBlock(this.workspace);
+      let code;
+      let innerOrder;
+      if (testCase.useWorkspaceToCode) {
+        code = generator.workspaceToCode(this.workspace);
+      } else {
+        generator.init(this.workspace);
+        code = generator.blockToCode(block);
+        if (Array.isArray(code)) {
+          innerOrder = code[1];
+          code = code[0];
+        }
+      }
+      const assertFunc =
+        typeof testCase.expectedCode === 'string'
+          ? chai.assert.equal
+          : chai.assert.match;
+      assertFunc(code, testCase.expectedCode);
+      if (
+        !testCase.useWorkspaceToCode &&
+        testCase.expectedInnerOrder !== undefined
+      ) {
+        chai.assert.equal(innerOrder, testCase.expectedInnerOrder);
+      }
+    };
+  };
+};
+
+/**
+ * Runs blockToCode test suites.
+ * @param {!Array<!CodeGenerationTestSuite>} testSuites The test suites to run.
+ */
+export const runCodeGenerationTestSuites = (testSuites) => {
+  /**
+   * Creates function used to generate mocha test callback.
+   * @param {!CodeGenerationTestSuite} suiteInfo The test suite information.
+   * @return {function(!CodeGenerationTestCase):!Function} Function that
+   *    creates mocha test callback.
+   */
+  const createTestFn = (suiteInfo) => {
+    return createCodeGenerationTestFn_(suiteInfo.generator);
+  };
+
+  runTestSuites(testSuites, createTestFn);
+};
diff --git a/tests/mocha/test_helpers/common.js b/tests/mocha/test_helpers/common.js
new file mode 100644
index 00000000000..3d79576dc0c
--- /dev/null
+++ b/tests/mocha/test_helpers/common.js
@@ -0,0 +1,106 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Test case configuration.
+ * @record
+ */
+export class TestCase {
+  /**
+   * Class for a test case configuration.
+   */
+  constructor() {
+    /**
+     * @type {string} The title for the test case.
+     */
+    this.title;
+    /**
+     * @type {boolean|undefined} Whether this test case should be skipped.
+     *   Used to skip buggy test case and should have an associated bug.
+     */
+    this.skip;
+    /**
+     * @type {boolean|undefined} Whether this test case should be called as
+     *   only. Used for debugging.
+     */
+    this.only;
+  }
+}
+
+/**
+ * Test suite configuration.
+ * @record
+ * @template {TestCase} T
+ * @template {TestSuite} U
+ */
+export class TestSuite {
+  /**
+   * Class for a test suite configuration.
+   */
+  constructor() {
+    /**
+     * @type {string} The title for the test case.
+     */
+    this.title;
+    /**
+     * @type {?Array<T>} The associated test cases.
+     */
+    this.testCases;
+    /**
+     * @type {?Array<U>} List of nested inner test suites.
+     */
+    this.testSuites;
+    /**
+     * @type {boolean|undefined} Whether this test suite should be skipped.
+     *   Used to skip buggy test case and should have an associated bug.
+     */
+    this.skip;
+    /**
+     * @type {boolean|undefined} Whether this test suite should be called as
+     *   only. Used for debugging.
+     */
+    this.only;
+  }
+}
+
+/**
+ * Runs provided test cases.
+ * @template {TestCase} T
+ * @param {!Array<T>} testCases The test cases to run.
+ * @param {function(T):Function} createTestCallback Creates test
+ *    callback using given test case.
+ */
+export function runTestCases(testCases, createTestCallback) {
+  testCases.forEach((testCase) => {
+    let testCall = testCase.skip ? test.skip : test;
+    testCall = testCase.only ? test.only : testCall;
+    testCall(testCase.title, createTestCallback(testCase));
+  });
+}
+
+/**
+ * Runs provided test suite.
+ * @template {TestCase} T
+ * @template {TestSuite<T, U>} U
+ * @param {Array<!U>} testSuites The test suites to run.
+ * @param {function(!U):(function(T):!Function)
+ *    } createTestCaseCallback Creates test case callback using given test
+ *    suite.
+ */
+export function runTestSuites(testSuites, createTestCaseCallback) {
+  testSuites.forEach((testSuite) => {
+    let suiteCall = testSuite.skip ? suite.skip : suite;
+    suiteCall = testSuite.only ? suite.only : suiteCall;
+    suiteCall(testSuite.title, function () {
+      if (testSuite.testSuites && testSuite.testSuites.length) {
+        runTestSuites(testSuite.testSuites, createTestCaseCallback);
+      }
+      if (testSuite.testCases && testSuite.testCases.length) {
+        runTestCases(testSuite.testCases, createTestCaseCallback(testSuite));
+      }
+    });
+  });
+}
diff --git a/tests/mocha/test_helpers/events.js b/tests/mocha/test_helpers/events.js
new file mode 100644
index 00000000000..5998ed94eeb
--- /dev/null
+++ b/tests/mocha/test_helpers/events.js
@@ -0,0 +1,292 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Creates spy for workspace fireChangeListener
+ * @param {!Blockly.Workspace} workspace The workspace to spy fireChangeListener
+ *    calls on.
+ * @return {!SinonSpy} The created spy.
+ */
+export function createChangeListenerSpy(workspace) {
+  const spy = sinon.spy();
+  workspace.addChangeListener(spy);
+  return spy;
+}
+
+/**
+ * Creates a mock event for testing if arbitrary events get fired/received.
+ * @param {!Blockly.Workspace} workspace The workspace to create the mock in.
+ * @return {!Object} A mock event that can be fired via Blockly.Events.fire
+ */
+export function createMockEvent(workspace) {
+  return {
+    isNull: () => false,
+    workspaceId: workspace.id,
+  };
+}
+
+/**
+ * Asserts whether the given xml property has the expected property.
+ * @param {!Node} xmlValue The xml value to check.
+ * @param {!Node|string} expectedValue The expected value.
+ * @param {string=} message Optional message to use in assert message.
+ * @private
+ */
+function assertXmlPropertyEqual_(xmlValue, expectedValue, message) {
+  const value = Blockly.Xml.domToText(xmlValue);
+  if (expectedValue instanceof Node) {
+    expectedValue = Blockly.Xml.domToText(expectedValue);
+  }
+  chai.assert.equal(value, expectedValue, message);
+}
+
+/**
+ * Asserts that the given object has the expected xml properties.
+ * @param {Object} obj The object to check.
+ * @param {Object<string, Node|string>} expectedXmlProperties The expected xml
+ *    properties.
+ * @private
+ */
+function assertXmlProperties_(obj, expectedXmlProperties) {
+  Object.keys(expectedXmlProperties).map((key) => {
+    const value = obj[key];
+    const expectedValue = expectedXmlProperties[key];
+    if (expectedValue === undefined) {
+      chai.assert.isUndefined(
+        value,
+        'Expected ' + key + ' property to be undefined',
+      );
+      return;
+    }
+    chai.assert.exists(value, 'Expected ' + key + ' property to exist');
+    assertXmlPropertyEqual_(value, expectedValue, 'Checking property ' + key);
+  });
+}
+
+/**
+ * Whether given key indicates that the property is xml.
+ * @param {string} key The key to check.
+ * @return {boolean} Whether the given key is for xml property.
+ * @private
+ */
+function isXmlProperty_(key) {
+  return key.toLowerCase().endsWith('xml');
+}
+
+/**
+ * Asserts that the given event has the expected values.
+ * @param {!Blockly.Events.Abstract} event The event to check.
+ * @param {string} expectedType Expected type of event fired.
+ * @param {string} expectedWorkspaceId Expected workspace id of event fired.
+ * @param {?string} expectedBlockId Expected block id of event fired.
+ * @param {!Object<string, *>} expectedProperties Map of of additional expected
+ *    properties to check on fired event.
+ * @param {boolean=} [isUiEvent=false] Whether the event is a UI event.
+ * @param {string=} message Optional message to prepend assert messages.
+ */
+export function assertEventEquals(
+  event,
+  expectedType,
+  expectedWorkspaceId,
+  expectedBlockId,
+  expectedProperties,
+  isUiEvent = false,
+  message,
+) {
+  let prependMessage = message ? message + ' ' : '';
+  prependMessage += 'Event fired ';
+  chai.assert.equal(event.type, expectedType, prependMessage + 'type');
+  chai.assert.equal(
+    event.workspaceId,
+    expectedWorkspaceId,
+    prependMessage + 'workspace id',
+  );
+  chai.assert.equal(
+    event.blockId,
+    expectedBlockId,
+    prependMessage + 'block id',
+  );
+  Object.keys(expectedProperties).map((key) => {
+    const value = event[key];
+    const expectedValue = expectedProperties[key];
+    if (expectedValue === undefined) {
+      chai.assert.isUndefined(value, prependMessage + key);
+      return;
+    }
+    chai.assert.exists(value, prependMessage + key);
+    if (isXmlProperty_(key)) {
+      assertXmlPropertyEqual_(value, expectedValue, prependMessage + key);
+    } else {
+      chai.assert.equal(value, expectedValue, prependMessage + key);
+    }
+  });
+  if (isUiEvent) {
+    chai.assert.isTrue(event.isUiEvent);
+  } else {
+    chai.assert.isFalse(event.isUiEvent);
+  }
+}
+
+/**
+ * Asserts that an event with the given values was fired.
+ * @param {!SinonSpy|!SinonSpyCall} spy The spy or spy call to use.
+ * @param {function(new:Blockly.Events.Abstract)} instanceType Expected instance
+ *    type of event fired.
+ * @param {!Object<string, *>} expectedProperties Map of of expected properties
+ *    to check on fired event.
+ * @param {string} expectedWorkspaceId Expected workspace id of event fired.
+ * @param {?string=} expectedBlockId Expected block id of event fired.
+ */
+export function assertEventFired(
+  spy,
+  instanceType,
+  expectedProperties,
+  expectedWorkspaceId,
+  expectedBlockId,
+) {
+  const baseProps = {};
+  if (expectedWorkspaceId) baseProps.workspaceId = expectedWorkspaceId;
+  if (expectedBlockId) baseProps.blockId = expectedBlockId;
+  expectedProperties = Object.assign(baseProps, expectedProperties);
+  const expectedEvent = sinon.match
+    .instanceOf(instanceType)
+    .and(sinon.match(expectedProperties));
+  sinon.assert.calledWith(spy, expectedEvent);
+}
+
+/**
+ * Returns a matcher that asserts that the actual object has the same properties
+ * and values (shallowly equated) as the expected object.
+ * @param {!Object} expected The expected set of properties we expect the
+ *    actual object to have.
+ * @return {function(*): boolean} A matcher that returns true if the `actual`
+ *     object has all of the properties of the `expected` param, with the same
+ *     values.
+ */
+function shallowMatch(expected) {
+  return (actual) => {
+    for (const key in expected) {
+      if (actual[key] !== expected[key]) {
+        return false;
+      }
+    }
+    return true;
+  };
+}
+
+/**
+ * Asserts that an event with the given values (shallowly evaluated) was fired.
+ * @param {!SinonSpy|!SinonSpyCall} spy The spy or spy call to use.
+ * @param {function(new:Blockly.Events.Abstract)} instanceType Expected instance
+ *    type of event fired.
+ * @param {!Object<string, *>} expectedProperties Map of of expected properties
+ *    to check on fired event.
+ * @param {string} expectedWorkspaceId Expected workspace id of event fired.
+ * @param {?string=} expectedBlockId Expected block id of event fired.
+ */
+export function assertEventFiredShallow(
+  spy,
+  instanceType,
+  expectedProperties,
+  expectedWorkspaceId,
+  expectedBlockId,
+) {
+  const properties = {
+    ...expectedProperties,
+    workspaceId: expectedWorkspaceId,
+    blockId: expectedBlockId,
+  };
+  sinon.assert.calledWith(
+    spy,
+    sinon.match.instanceOf(instanceType).and(shallowMatch(properties)),
+  );
+}
+
+/**
+ * Asserts that an event with the given values was not fired.
+ * @param {!SpyCall} spy The spy to use.
+ * @param {function(new:Blockly.Events.Abstract)} instanceType Expected instance
+ *    type of event fired.
+ * @param {!Object<string, *>} expectedProperties Map of of expected properties
+ *    to check on fired event.
+ * @param {string=} expectedWorkspaceId Expected workspace id of event fired.
+ * @param {?string=} expectedBlockId Expected block id of event fired.
+ */
+export function assertEventNotFired(
+  spy,
+  instanceType,
+  expectedProperties,
+  expectedWorkspaceId,
+  expectedBlockId,
+) {
+  if (expectedWorkspaceId !== undefined) {
+    expectedProperties.workspaceId = expectedWorkspaceId;
+  }
+  if (expectedBlockId !== undefined) {
+    expectedProperties.blockId = expectedBlockId;
+  }
+  const expectedEvent = sinon.match
+    .instanceOf(instanceType)
+    .and(sinon.match(expectedProperties));
+  sinon.assert.neverCalledWith(spy, expectedEvent);
+}
+
+/**
+ * Filters out xml properties from given object based on key.
+ * @param {Object<string, *>} properties The properties to filter.
+ * @return {Array<Object<string, *>>} A list containing split non
+ *    xml properties and xml properties. [Object<string, *>, Object<string, *>]
+ * @private
+ */
+function splitByXmlProperties_(properties) {
+  const xmlProperties = {};
+  const nonXmlProperties = {};
+  Object.keys(properties).forEach((key) => {
+    if (isXmlProperty_(key)) {
+      xmlProperties[key] = properties[key];
+      return false;
+    } else {
+      nonXmlProperties[key] = properties[key];
+    }
+  });
+  return [nonXmlProperties, xmlProperties];
+}
+
+/**
+ * Asserts that the event passed to the nth call of the given spy has the
+ * expected values. Assumes that the event is passed as the first argument.
+ * @param {!SinonSpy} spy The spy to use.
+ * @param {number} n Which call to check.
+ * @param {function(new:Blockly.Events.Abstract)} instanceType Expected instance
+ *    type of event fired.
+ * @param {Object<string, *>} expectedProperties Map of of expected properties
+ *    to check on fired event.
+ * @param {string} expectedWorkspaceId Expected workspace id of event fired.
+ * @param {?string=} expectedBlockId Expected block id of event fired.
+ */
+export function assertNthCallEventArgEquals(
+  spy,
+  n,
+  instanceType,
+  expectedProperties,
+  expectedWorkspaceId,
+  expectedBlockId,
+) {
+  const nthCall = spy.getCall(n);
+  const splitProperties = splitByXmlProperties_(expectedProperties);
+  const nonXmlProperties = splitProperties[0];
+  const xmlProperties = splitProperties[1];
+
+  assertEventFired(
+    nthCall,
+    instanceType,
+    nonXmlProperties,
+    expectedWorkspaceId,
+    expectedBlockId,
+  );
+  const eventArg = nthCall.firstArg;
+  assertXmlProperties_(eventArg, xmlProperties);
+}
diff --git a/tests/mocha/test_helpers/fields.js b/tests/mocha/test_helpers/fields.js
new file mode 100644
index 00000000000..11b6e98efea
--- /dev/null
+++ b/tests/mocha/test_helpers/fields.js
@@ -0,0 +1,309 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {runTestCases, TestCase} from './common.js';
+
+/**
+ * Field value test case.
+ * @implements {TestCase}
+ * @record
+ */
+export class FieldValueTestCase {
+  /**
+   * Class for a a field value test case.
+   */
+  constructor() {
+    /**
+     * @type {*} The value to use in test.
+     */
+    this.value;
+    /**
+     * @type {*} The expected value.
+     */
+    this.expectedValue;
+    /**
+     * @type {string|undefined} The expected text value. Provided if different
+     *    from String(expectedValue).
+     */
+    this.expectedText;
+    /**
+     * @type {!RegExp|string|undefined} The optional error message matcher.
+     *    Provided if test case is expected to throw.
+     */
+    this.errMsgMatcher;
+  }
+}
+
+/**
+ * Field creation test case.
+ * @extends {FieldValueTestCase}
+ * @record
+ */
+export class FieldCreationTestCase {
+  /**
+   * Class for a field creation test case.
+   */
+  constructor() {
+    /**
+     * @type {Array<*>} The arguments to pass to field constructor.
+     */
+    this.args;
+    /**
+     * @type {string} The json to use in field creation.
+     */
+    this.json;
+  }
+}
+
+/**
+ * Assert a field's value is the same as the expected value.
+ * @param {!Blockly.Field} field The field.
+ * @param {*} expectedValue The expected value.
+ * @param {string=} expectedText The expected text.
+ */
+export function assertFieldValue(
+  field,
+  expectedValue,
+  expectedText = undefined,
+) {
+  const actualValue = field.getValue();
+  const actualText = field.getText();
+  if (expectedText === undefined) {
+    expectedText = String(expectedValue);
+  }
+  chai.assert.deepEqual(actualValue, expectedValue);
+  chai.assert.deepEqual(actualText, expectedText);
+}
+
+/**
+ * Runs provided creation test cases.
+ * @param {!Array<!FieldCreationTestCase>} testCases The test cases to run.
+ * @param {function(!Blockly.Field, !FieldCreationTestCase)} assertion The
+ *    assertion to use.
+ * @param {function(new:Blockly.Field,!FieldCreationTestCase):Blockly.Field
+ *    } creation A function that returns an instance of the field based on the
+ *    provided test case.
+ * @private
+ */
+function runCreationTests_(testCases, assertion, creation) {
+  /**
+   * Creates test callback for creation test.
+   * @param {FieldCreationTestCase} testCase The test case to use.
+   * @return {Function} The test callback.
+   */
+  const createTestFn = (testCase) => {
+    return function () {
+      const field = creation.call(this, testCase);
+      assertion(field, testCase);
+    };
+  };
+  runTestCases(testCases, createTestFn);
+}
+
+/**
+ * Runs provided creation test cases.
+ * @param {!Array<!FieldCreationTestCase>} testCases The test cases to run.
+ * @param {function(new:Blockly.Field,!FieldCreationTestCase):Blockly.Field
+ *    } creation A function that returns an instance of the field based on the
+ *    provided test case.
+ * @private
+ */
+function runCreationTestsAssertThrows_(testCases, creation) {
+  /**
+   * Creates test callback for creation test.
+   * @param {!FieldCreationTestCase} testCase The test case to use.
+   * @return {!Function} The test callback.
+   */
+  const createTestFn = (testCase) => {
+    return function () {
+      chai.assert.throws(function () {
+        creation.call(this, testCase);
+      }, testCase.errMsgMatcher);
+    };
+  };
+  runTestCases(testCases, createTestFn);
+}
+
+/**
+ * Runs suite of tests for constructor for the specified field.
+ * @param {function(new:Blockly.Field, *=)} TestedField The class of the field
+ *    being tested.
+ * @param {Array<!FieldCreationTestCase>} validValueTestCases Test cases with
+ *    valid values for given field.
+ * @param {Array<!FieldCreationTestCase>} invalidValueTestCases Test cases with
+ *    invalid values for given field.
+ * @param {function(!Blockly.Field, !FieldCreationTestCase)
+ *    } validRunAssertField Asserts that field has expected values.
+ * @param {function(!Blockly.Field)=} assertFieldDefault Asserts that field has
+ *    default values. If undefined, tests will check that field throws when
+ *    invalid value is passed rather than asserting default.
+ * @param {function(!FieldCreationTestCase=)=} customCreateWithJs Custom
+ *    creation function to use in tests.
+ */
+export function runConstructorSuiteTests(
+  TestedField,
+  validValueTestCases,
+  invalidValueTestCases,
+  validRunAssertField,
+  assertFieldDefault,
+  customCreateWithJs,
+) {
+  suite('Constructor', function () {
+    if (assertFieldDefault) {
+      test('Empty', function () {
+        const field = customCreateWithJs
+          ? customCreateWithJs.call(this)
+          : new TestedField();
+        assertFieldDefault(field);
+      });
+    } else {
+      test('Empty', function () {
+        chai.assert.throws(function () {
+          customCreateWithJs
+            ? customCreateWithJs.call(this)
+            : new TestedField();
+        });
+      });
+    }
+
+    /**
+     * Creates a field using its constructor and the provided test case.
+     * @param {!FieldCreationTestCase} testCase The test case information.
+     * @return {!Blockly.Field} The instantiated field.
+     */
+    const createWithJs = function (testCase) {
+      return customCreateWithJs
+        ? customCreateWithJs.call(this, testCase)
+        : new TestedField(...testCase.args);
+    };
+    if (assertFieldDefault) {
+      runCreationTests_(
+        invalidValueTestCases,
+        assertFieldDefault,
+        createWithJs,
+      );
+    } else {
+      runCreationTestsAssertThrows_(invalidValueTestCases, createWithJs);
+    }
+    runCreationTests_(validValueTestCases, validRunAssertField, createWithJs);
+  });
+}
+
+/**
+ * Runs suite of tests for fromJson creation of specified field.
+ * @param {function(new:Blockly.Field, *=)} TestedField The class of the field
+ *    being tested.
+ * @param {!Array<!FieldCreationTestCase>} validValueTestCases Test cases with
+ *    valid values for given field.
+ * @param {!Array<!FieldCreationTestCase>} invalidValueTestCases Test cases with
+ *    invalid values for given field.
+ * @param {function(!Blockly.Field, !FieldValueTestCase)
+ *    } validRunAssertField Asserts that field has expected values.
+ * @param {function(!Blockly.Field)=} assertFieldDefault Asserts that field has
+ *    default values. If undefined, tests will check that field throws when
+ *    invalid value is passed rather than asserting default.
+ * @param {function(!FieldCreationTestCase=)=} customCreateWithJson Custom
+ *    creation function to use in tests.
+ */
+export function runFromJsonSuiteTests(
+  TestedField,
+  validValueTestCases,
+  invalidValueTestCases,
+  validRunAssertField,
+  assertFieldDefault,
+  customCreateWithJson,
+) {
+  suite('fromJson', function () {
+    if (assertFieldDefault) {
+      test('Empty', function () {
+        const field = customCreateWithJson
+          ? customCreateWithJson.call(this)
+          : TestedField.fromJson({});
+        assertFieldDefault(field);
+      });
+    } else {
+      test('Empty', function () {
+        chai.assert.throws(function () {
+          customCreateWithJson
+            ? customCreateWithJson.call(this)
+            : TestedField.fromJson({});
+        });
+      });
+    }
+
+    /**
+     * Creates a field using fromJson and the provided test case.
+     * @param {!FieldCreationTestCase} testCase The test case information.
+     * @return {!Blockly.Field} The instantiated field.
+     */
+    const createWithJson = function (testCase) {
+      return customCreateWithJson
+        ? customCreateWithJson.call(this, testCase)
+        : TestedField.fromJson(testCase.json);
+    };
+    if (assertFieldDefault) {
+      runCreationTests_(
+        invalidValueTestCases,
+        assertFieldDefault,
+        createWithJson,
+      );
+    } else {
+      runCreationTestsAssertThrows_(invalidValueTestCases, createWithJson);
+    }
+    runCreationTests_(validValueTestCases, validRunAssertField, createWithJson);
+  });
+}
+
+/**
+ * Runs tests for setValue calls.
+ * @param {!Array<!FieldValueTestCase>} validValueTestCases Test cases with
+ *    valid values.
+ * @param {!Array<!FieldValueTestCase>} invalidValueTestCases Test cases with
+ *    invalid values.
+ * @param {*} invalidRunExpectedValue Expected value for field after invalid
+ *    call to setValue.
+ * @param {string=} invalidRunExpectedText Expected text for field after invalid
+ *    call to setValue.
+ */
+export function runSetValueTests(
+  validValueTestCases,
+  invalidValueTestCases,
+  invalidRunExpectedValue,
+  invalidRunExpectedText,
+) {
+  /**
+   * Creates test callback for invalid setValue test.
+   * @param {!FieldValueTestCase} testCase The test case information.
+   * @return {!Function} The test callback.
+   */
+  const createInvalidSetValueTestCallback = (testCase) => {
+    return function () {
+      this.field.setValue(testCase.value);
+      assertFieldValue(
+        this.field,
+        invalidRunExpectedValue,
+        invalidRunExpectedText,
+      );
+    };
+  };
+  /**
+   * Creates test callback for valid setValue test.
+   * @param {!FieldValueTestCase} testCase The test case information.
+   * @return {!Function} The test callback.
+   */
+  const createValidSetValueTestCallback = (testCase) => {
+    return function () {
+      this.field.setValue(testCase.value);
+      assertFieldValue(
+        this.field,
+        testCase.expectedValue,
+        testCase.expectedText,
+      );
+    };
+  };
+  runTestCases(invalidValueTestCases, createInvalidSetValueTestCallback);
+  runTestCases(validValueTestCases, createValidSetValueTestCallback);
+}
diff --git a/tests/mocha/test_helpers/icon_mocks.js b/tests/mocha/test_helpers/icon_mocks.js
new file mode 100644
index 00000000000..039c4082f5c
--- /dev/null
+++ b/tests/mocha/test_helpers/icon_mocks.js
@@ -0,0 +1,81 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export class MockIcon {
+  getType() {
+    return new Blockly.icons.IconType('mock icon');
+  }
+
+  initView() {}
+
+  dispose() {}
+
+  getWeight() {}
+
+  getSize() {
+    return new Blockly.utils.Size(0, 0);
+  }
+
+  applyColour() {}
+
+  hideForInsertionMarker() {}
+
+  updateEditable() {}
+
+  updateCollapsed() {}
+
+  isShownWhenCollapsed() {}
+
+  setOffsetInBlock() {}
+
+  onLocationChange() {}
+
+  onClick() {}
+}
+
+export class MockSerializableIcon extends MockIcon {
+  constructor() {
+    super();
+    this.state = '';
+  }
+
+  getType() {
+    return new Blockly.icons.IconType('serializable icon');
+  }
+
+  getWeight() {
+    return 1;
+  }
+
+  saveState() {
+    return 'some state';
+  }
+
+  loadState(state) {
+    this.state = state;
+  }
+}
+
+export class MockBubbleIcon extends MockIcon {
+  constructor() {
+    super();
+    this.visible = false;
+  }
+
+  getType() {
+    return new Blockly.icons.IconType('bubble icon');
+  }
+
+  updateCollapsed() {}
+
+  bubbleIsVisible() {
+    return this.visible;
+  }
+
+  setBubbleVisible(visible) {
+    this.visible = visible;
+  }
+}
diff --git a/tests/mocha/test_helpers/procedures.js b/tests/mocha/test_helpers/procedures.js
new file mode 100644
index 00000000000..4717b38c8b6
--- /dev/null
+++ b/tests/mocha/test_helpers/procedures.js
@@ -0,0 +1,301 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {ConnectionType} from '../../../build/src/core/connection_type.js';
+import {VariableModel} from '../../../build/src/core/variable_model.js';
+
+/**
+ * Asserts that the procedure definition or call block has the expected var
+ * models.
+ * @param {!Blockly.Block} block The procedure definition or call block to
+ *    check.
+ * @param {!Array<string>} varIds An array of variable ids.
+ */
+function assertBlockVarModels(block, varIds) {
+  const expectedVarModels = [];
+  for (let i = 0; i < varIds.length; i++) {
+    expectedVarModels.push(block.workspace.getVariableById(varIds[i]));
+  }
+  chai.assert.sameDeepOrderedMembers(block.getVarModels(), expectedVarModels);
+}
+
+/**
+ * Asserts that the procedure call block has the expected arguments.
+ * @param {!Blockly.Block} callBlock The procedure definition block.
+ * @param {Array<string>=} args An array of argument names.
+ */
+function assertCallBlockArgsStructure(callBlock, args) {
+  // inputList also contains "TOPROW"
+  chai.assert.equal(
+    callBlock.inputList.length - 1,
+    args.length,
+    'call block has the expected number of args',
+  );
+
+  for (let i = 0; i < args.length; i++) {
+    const expectedName = args[i];
+    const callInput = callBlock.inputList[i + 1];
+    chai.assert.equal(callInput.type, ConnectionType.INPUT_VALUE);
+    chai.assert.equal(callInput.name, 'ARG' + i);
+    chai.assert.equal(
+      callInput.fieldRow[0].getValue(),
+      expectedName,
+      'Call block consts did not match expected.',
+    );
+  }
+  chai.assert.sameOrderedMembers(callBlock.getVars(), args);
+}
+
+/**
+ * Asserts that the procedure definition block has the expected inputs and
+ *    fields.
+ * @param {!Blockly.Block} defBlock The procedure definition block.
+ * @param {boolean=} hasReturn If we expect the procedure def to have a return
+ *     input or not.
+ * @param {Array<string>=} args An array of argument names.
+ * @param {Array<string>=} varIds An array of variable ids.
+ * @param {boolean=} hasStatements If we expect the procedure def to have a
+ *     statement input or not.
+ */
+export function assertDefBlockStructure(
+  defBlock,
+  hasReturn = false,
+  args = [],
+  varIds = [],
+  hasStatements = true,
+) {
+  if (hasStatements) {
+    chai.assert.isNotNull(
+      defBlock.getInput('STACK'),
+      'Def block should have STACK input',
+    );
+  } else {
+    chai.assert.isNull(
+      defBlock.getInput('STACK'),
+      'Def block should not have STACK input',
+    );
+  }
+  if (hasReturn) {
+    chai.assert.isNotNull(
+      defBlock.getInput('RETURN'),
+      'Def block should have RETURN input',
+    );
+  } else {
+    chai.assert.isNull(
+      defBlock.getInput('RETURN'),
+      'Def block should not have RETURN input',
+    );
+  }
+  if (args.length) {
+    chai.assert.include(
+      defBlock.toString(),
+      'with',
+      'Def block string should include "with"',
+    );
+  } else {
+    chai.assert.notInclude(
+      defBlock.toString(),
+      'with',
+      'Def block string should not include "with"',
+    );
+  }
+
+  chai.assert.sameOrderedMembers(defBlock.getVars(), args);
+  assertBlockVarModels(defBlock, varIds);
+}
+
+/**
+ * Asserts that the procedure call block has the expected inputs and
+ *    fields.
+ * @param {!Blockly.Block} callBlock The procedure call block.
+ * @param {Array<string>=} args An array of argument names.
+ * @param {Array<string>=} varIds An array of variable ids.
+ * @param {string=} name The name we expect the caller to have.
+ */
+export function assertCallBlockStructure(
+  callBlock,
+  args = [],
+  varIds = [],
+  name = undefined,
+) {
+  if (args.length) {
+    chai.assert.include(callBlock.toString(), 'with');
+  } else {
+    chai.assert.notInclude(callBlock.toString(), 'with');
+  }
+
+  assertCallBlockArgsStructure(callBlock, args);
+  assertBlockVarModels(callBlock, varIds);
+  if (name !== undefined) {
+    chai.assert.equal(callBlock.getFieldValue('NAME'), name);
+  }
+}
+
+/**
+ * Creates procedure definition block using domToBlock call.
+ * @param {!Blockly.Workspace} workspace The Blockly workspace.
+ * @param {boolean=} hasReturn Whether the procedure definition should have
+ *    return.
+ * @param {Array<string>=} args An array of argument names.
+ * @param {string=} name The name of the def block (defaults to 'proc name').
+ * @return {Blockly.Block} The created block.
+ */
+export function createProcDefBlock(
+  workspace,
+  hasReturn = false,
+  args = [],
+  name = 'proc name',
+) {
+  const type = hasReturn ? 'procedures_defreturn' : 'procedures_defnoreturn';
+  let xml = `<block type="${type}">`;
+  for (let i = 0; i < args.length; i++) {
+    xml += `    <mutation><arg name="${args[i]}"></arg></mutation>\n`;
+  }
+  xml += `  <field name="NAME">${name}</field>` + '</block>';
+  return Blockly.Xml.domToBlock(Blockly.utils.xml.textToDom(xml), workspace);
+}
+
+/**
+ * Creates procedure call block using domToBlock call.
+ * @param {!Blockly.Workspace} workspace The Blockly workspace.
+ * @param {boolean=} hasReturn Whether the corresponding procedure definition
+ *    has return.
+ * @param {string=} name The name of the caller block (defaults to 'proc name').
+ * @return {Blockly.Block} The created block.
+ */
+export function createProcCallBlock(
+  workspace,
+  hasReturn = false,
+  name = 'proc name',
+) {
+  const type = hasReturn ? 'procedures_callreturn' : 'procedures_callnoreturn';
+  return Blockly.Xml.domToBlock(
+    Blockly.utils.xml.textToDom(
+      `<block type="${type}">` + `  <mutation name="${name}"/>` + `</block>`,
+    ),
+    workspace,
+  );
+}
+
+export class MockProcedureModel {
+  constructor(name = '') {
+    this.id = Blockly.utils.idGenerator.genUid();
+    this.name = name;
+    this.parameters = [];
+    this.returnTypes = null;
+    this.enabled = true;
+  }
+
+  static loadState(state, workspace) {
+    return new MockProcedureModel();
+  }
+
+  saveState() {
+    return {};
+  }
+
+  setName(name) {
+    this.name = name;
+    return this;
+  }
+
+  insertParameter(parameterModel, index) {
+    this.parameters.splice(index, 0, parameterModel);
+    return this;
+  }
+
+  deleteParameter(index) {
+    this.parameters.splice(index, 1);
+    return this;
+  }
+
+  setReturnTypes(types) {
+    this.returnTypes = types;
+    return this;
+  }
+
+  setEnabled(enabled) {
+    this.enabled = enabled;
+    return this;
+  }
+
+  getId() {
+    return this.id;
+  }
+
+  getName() {
+    return this.name;
+  }
+
+  getParameter(index) {
+    return this.parameters[index];
+  }
+
+  getParameters() {
+    return [...this.parameters];
+  }
+
+  getReturnTypes() {
+    return this.returnTypes;
+  }
+
+  getEnabled() {
+    return this.enabled;
+  }
+
+  startPublishing() {}
+
+  stopPublishing() {}
+}
+
+export class MockParameterModel {
+  constructor(name) {
+    this.id = Blockly.utils.idGenerator.genUid();
+    this.name = name;
+    this.types = [];
+  }
+
+  static loadState(state, workspace) {
+    return new MockParameterModel('test');
+  }
+
+  saveState() {
+    return {};
+  }
+
+  setName(name) {
+    this.name = name;
+    return this;
+  }
+
+  setTypes(types) {
+    this.types = types;
+    return this;
+  }
+
+  getName() {
+    return this.name;
+  }
+
+  getTypes() {
+    return this.types;
+  }
+
+  getId() {
+    return this.id;
+  }
+}
+
+export class MockParameterModelWithVar extends MockParameterModel {
+  constructor(name, workspace) {
+    super(name);
+    this.variable = new VariableModel(workspace, name);
+  }
+
+  getVariableModel() {
+    return this.variable;
+  }
+}
diff --git a/tests/mocha/test_helpers/serialization.js b/tests/mocha/test_helpers/serialization.js
new file mode 100644
index 00000000000..6b3be7ae2f1
--- /dev/null
+++ b/tests/mocha/test_helpers/serialization.js
@@ -0,0 +1,123 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {runTestCases} from './common.js';
+
+/**
+ * Serialization test case.
+ * @implements {TestCase}
+ * @record
+ */
+export class SerializationTestCase {
+  /**
+   * Class for a block serialization test case.
+   */
+  constructor() {
+    /**
+     * @type {string} The block xml to use for test. Do not provide if json is
+     *     provided.
+     */
+    this.xml;
+    /**
+     * @type {string|undefined} The expected xml after round trip. Provided if
+     *    it different from xml that was passed in.
+     */
+    this.expectedXml;
+    /**
+     * @type {string} The block json to use for test. Do not provide if xml is
+     *     provided.
+     */
+    this.json;
+    /**
+     * @type {string|undefined} The expected json after round trip. Provided if
+     *    it is different from json that was passed in.
+     */
+    this.expectedJson;
+  }
+  /**
+   * Asserts that the block created from xml has the expected structure.
+   * @param {!Blockly.Block} block The block to check.
+   */
+  assertBlockStructure(block) {}
+}
+
+/**
+ * Runs serialization test suite.
+ * @param {!Array<!SerializationTestCase>} testCases The test cases to run.
+ */
+export const runSerializationTestSuite = (testCases) => {
+  /**
+   * Creates test callback for xmlToBlock test.
+   * @param {!SerializationTestCase} testCase The test case information.
+   * @return {!Function} The test callback.
+   */
+  const createSerializedDataToBlockTestCallback = (testCase) => {
+    return function () {
+      let block;
+      if (testCase.json) {
+        block = Blockly.serialization.blocks.append(
+          testCase.json,
+          this.workspace,
+          {recordUndo: true},
+        );
+      } else {
+        block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(testCase.xml),
+          this.workspace,
+        );
+      }
+      this.clock.runAll();
+      testCase.assertBlockStructure(block);
+    };
+  };
+  /**
+   * Creates test callback for xml round trip test.
+   * @param {!SerializationTestCase} testCase The test case information.
+   * @return {!Function} The test callback.
+   */
+  const createRoundTripTestCallback = (testCase) => {
+    return function () {
+      if (testCase.json) {
+        const block = Blockly.serialization.blocks.append(
+          testCase.json,
+          this.workspace,
+          {recordUndo: true},
+        );
+        this.clock.runAll();
+        const generatedJson = Blockly.serialization.blocks.save(block);
+        const expectedJson = testCase.expectedJson || testCase.json;
+        chai.assert.deepEqual(generatedJson, expectedJson);
+      } else {
+        const block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom(testCase.xml),
+          this.workspace,
+        );
+        this.clock.runAll();
+        const generatedXml = Blockly.Xml.domToPrettyText(
+          Blockly.Xml.blockToDom(block),
+        );
+        const expectedXml = testCase.expectedXml || testCase.xml;
+        chai.assert.equal(generatedXml, expectedXml);
+      }
+    };
+  };
+  suite('Serialization', function () {
+    suite('xmlToBlock', function () {
+      runTestCases(testCases, createSerializedDataToBlockTestCallback);
+    });
+    suite('xml round-trip', function () {
+      setup(function () {
+        sinon.stub(Blockly.utils.idGenerator.TEST_ONLY, 'genUid').returns('1');
+      });
+
+      teardown(function () {
+        sinon.restore();
+      });
+
+      runTestCases(testCases, createRoundTripTestCallback);
+    });
+  });
+};
diff --git a/tests/mocha/test_helpers/setup_teardown.js b/tests/mocha/test_helpers/setup_teardown.js
new file mode 100644
index 00000000000..2fc08cb6943
--- /dev/null
+++ b/tests/mocha/test_helpers/setup_teardown.js
@@ -0,0 +1,209 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as eventUtils from '../../../build/src/core/events/utils.js';
+
+/**
+ * Safely disposes of Blockly workspace, logging any errors.
+ * Assumes that sharedTestSetup has also been called. This should be called
+ * using workspaceTeardown.call(this).
+ * @param {!Blockly.Workspace} workspace The workspace to dispose.
+ */
+export function workspaceTeardown(workspace) {
+  try {
+    this.clock.runAll(); // Run all queued setTimeout calls.
+    workspace.dispose();
+    this.clock.runAll(); // Run all remaining queued setTimeout calls.
+  } catch (e) {
+    const testRef = this.currentTest || this.test;
+    console.error(testRef.fullTitle() + '\n', e);
+  }
+}
+
+/**
+ * Creates stub for Blockly.Events.fire that advances the clock forward after
+ * the event fires so it is processed immediately instead of on a timeout.
+ * @param {!SinonClock} clock The sinon clock.
+ * @return {!SinonStub} The created stub.
+ * @private
+ */
+function createEventsFireStubFireImmediately_(clock) {
+  const stub = sinon.stub(eventUtils.TEST_ONLY, 'fireInternal');
+  stub.callsFake(function (event) {
+    // Call original method.
+    stub.wrappedMethod.call(this, ...arguments);
+    // Advance clock forward to run any queued events.
+    clock.runAll();
+  });
+  return stub;
+}
+
+/**
+ * Adds message to shared cleanup object so that it is cleaned from
+ *    Blockly.Messages global in sharedTestTeardown.
+ * @param {!Object} sharedCleanupObj The shared cleanup object created in
+ *    sharedTestSetup.
+ * @param {string} message The message to add to shared cleanup object.
+ */
+export function addMessageToCleanup(sharedCleanupObj, message) {
+  sharedCleanupObj.messagesCleanup_.push(message);
+}
+
+/**
+ * Adds block type to shared cleanup object so that it is cleaned from
+ *    Blockly.Blocks global in sharedTestTeardown.
+ * @param {!Object} sharedCleanupObj The shared cleanup object created in
+ *    sharedTestSetup.
+ * @param {string} blockType The block type to add to shared cleanup object.
+ */
+export function addBlockTypeToCleanup(sharedCleanupObj, blockType) {
+  sharedCleanupObj.blockTypesCleanup_.push(blockType);
+}
+
+/**
+ * Wraps Blockly.defineBlocksWithJsonArray using stub in order to keep track of
+ * block types passed in to method on shared cleanup object so they are cleaned
+ * from Blockly.Blocks global in sharedTestTeardown.
+ * @param {!Object} sharedCleanupObj The shared cleanup object created in
+ *    sharedTestSetup.
+ * @private
+ */
+function wrapDefineBlocksWithJsonArrayWithCleanup_(sharedCleanupObj) {
+  const stub = sinon.stub(
+    Blockly.common.TEST_ONLY,
+    'defineBlocksWithJsonArrayInternal',
+  );
+  stub.callsFake(function (jsonArray) {
+    if (jsonArray) {
+      jsonArray.forEach((jsonBlock) => {
+        if (jsonBlock) {
+          addBlockTypeToCleanup(sharedCleanupObj, jsonBlock['type']);
+        }
+      });
+    }
+    // Calls original method.
+    stub.wrappedMethod.call(this, ...arguments);
+  });
+}
+
+/**
+ * Shared setup method that sets up fake timer for clock so that pending
+ * setTimeout calls can be cleared in test teardown along with other common
+ * stubs. Should be called in setup of outermost suite using
+ * sharedTestSetup.call(this).
+ * The sinon fake timer defined on this.clock_ should not be reset in tests to
+ * avoid causing issues with cleanup in sharedTestTeardown.
+ *
+ * Stubs created in this setup (unless disabled by options passed):
+ *  - Blockly.Events.fire - this.eventsFireStub - wraps fire event to trigger
+ *      fireNow_ call immediately, rather than on timeout
+ *  - Blockly.defineBlocksWithJsonArray - thin wrapper that adds logic to keep
+ *      track of block types defined so that they can be undefined in
+ *      sharedTestTeardown and calls original method.
+ *
+ * @param {Object<string, boolean>} options Options to enable/disable setup
+ *    of certain stubs.
+ * @return {{clock: *}} The fake clock (as part of an object to make refactoring
+ *     easier).
+ */
+export function sharedTestSetup(options = {}) {
+  this.sharedSetupCalled_ = true;
+  // Sandbox created for greater control when certain stubs are cleared.
+  this.sharedSetupSandbox_ = sinon.createSandbox();
+  this.clock = this.sharedSetupSandbox_.useFakeTimers();
+  if (options['fireEventsNow'] === undefined || options['fireEventsNow']) {
+    // Stubs event firing unless passed option "fireEventsNow: false"
+    this.eventsFireStub = createEventsFireStubFireImmediately_(this.clock);
+  }
+  this.sharedCleanup = {
+    blockTypesCleanup_: [],
+    messagesCleanup_: [],
+  };
+  this.blockTypesCleanup_ = this.sharedCleanup.blockTypesCleanup_;
+  this.messagesCleanup_ = this.sharedCleanup.messagesCleanup_;
+  wrapDefineBlocksWithJsonArrayWithCleanup_(this.sharedCleanup);
+  return {
+    clock: this.clock,
+  };
+}
+
+/**
+ * Shared cleanup method that clears up pending setTimeout calls, disposes of
+ * workspace, and resets global variables. Should be called in setup of
+ * outermost suite using sharedTestTeardown.call(this).
+ */
+export function sharedTestTeardown() {
+  const testRef = this.currentTest || this.test;
+  if (!this.sharedSetupCalled_) {
+    console.error('"' + testRef.fullTitle() + '" did not call sharedTestSetup');
+  }
+
+  try {
+    if (this.workspace) {
+      workspaceTeardown.call(this, this.workspace);
+      this.workspace = null;
+    } else {
+      this.clock.runAll(); // Run all queued setTimeout calls.
+    }
+  } catch (e) {
+    console.error(testRef.fullTitle() + '\n', e);
+  } finally {
+    // Clear Blockly.Event state.
+    eventUtils.setGroup(false);
+    while (!eventUtils.isEnabled()) {
+      eventUtils.enable();
+    }
+    eventUtils.setRecordUndo(true);
+    if (eventUtils.TEST_ONLY.FIRE_QUEUE.length) {
+      // If this happens, it may mean that some previous test is missing cleanup
+      // (i.e. a previous test added an event to the queue on a timeout that
+      // did not use a stubbed clock).
+      eventUtils.TEST_ONLY.FIRE_QUEUE.length = 0;
+      console.warn(
+        '"' +
+          testRef.fullTitle() +
+          '" needed cleanup of Blockly.Events.TEST_ONLY.FIRE_QUEUE. This may ' +
+          'indicate leakage from an earlier test',
+      );
+    }
+
+    // Restore all stubbed methods.
+    this.sharedSetupSandbox_.restore();
+    sinon.restore();
+
+    const blockTypes = this.sharedCleanup.blockTypesCleanup_;
+    for (let i = 0; i < blockTypes.length; i++) {
+      delete Blockly.Blocks[blockTypes[i]];
+    }
+    const messages = this.sharedCleanup.messagesCleanup_;
+    for (let i = 0; i < messages.length; i++) {
+      delete Blockly.Msg[messages[i]];
+    }
+
+    Blockly.WidgetDiv.testOnly_setDiv(null);
+  }
+}
+
+/**
+ * Creates stub for Blockly.utils.idGenerator.genUid that returns the provided id or ids.
+ * Recommended to also assert that the stub is called the expected number of
+ * times.
+ * @param {string|!Array<string>} returnIds The return values to use for the
+ *    created stub. If a single value is passed, then the stub always returns
+ *    that value.
+ * @return {!SinonStub} The created stub.
+ */
+export function createGenUidStubWithReturns(returnIds) {
+  const stub = sinon.stub(Blockly.utils.idGenerator.TEST_ONLY, 'genUid');
+  if (Array.isArray(returnIds)) {
+    for (let i = 0; i < returnIds.length; i++) {
+      stub.onCall(i).returns(returnIds[i]);
+    }
+  } else {
+    stub.returns(returnIds);
+  }
+  return stub;
+}
diff --git a/tests/mocha/test_helpers/toolbox_definitions.js b/tests/mocha/test_helpers/toolbox_definitions.js
new file mode 100644
index 00000000000..2f767ed60b7
--- /dev/null
+++ b/tests/mocha/test_helpers/toolbox_definitions.js
@@ -0,0 +1,271 @@
+/**
+ * @license
+ * Copyright 2020 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Get JSON for a toolbox that contains categories.
+ * @return {Blockly.utils.toolbox.ToolboxJson} The array holding information
+ *    for a toolbox.
+ */
+export function getCategoryJSON() {
+  return {
+    'contents': [
+      {
+        'kind': 'CATEGORY',
+        'cssconfig': {
+          'container': 'something',
+        },
+        'contents': [
+          {
+            'kind': 'BLOCK',
+            'blockxml':
+              '<block type="basic_block"><field name="TEXT">FirstCategory-FirstBlock</field></block>',
+          },
+          {
+            'kind': 'BLOCK',
+            'blockxml':
+              '<block type="basic_block"><field name="TEXT">FirstCategory-SecondBlock</field></block>',
+          },
+        ],
+        'name': 'First',
+      },
+      {
+        'kind': 'CATEGORY',
+        'contents': [
+          {
+            'kind': 'BLOCK',
+            'blockxml':
+              '<block type="basic_block"><field name="TEXT">SecondCategory-FirstBlock</field></block>',
+          },
+        ],
+        'name': 'Second',
+      },
+    ],
+  };
+}
+
+/**
+ * Get JSON for a simple toolbox.
+ * @return {Blockly.utils.toolbox.ToolboxJson} The array holding information
+ *    for a simple toolbox.
+ */
+export function getSimpleJson() {
+  return {
+    'contents': [
+      {
+        'kind': 'BLOCK',
+        'blockxml': `<block type="logic_compare">
+          <field name="OP">NEQ</field>
+          <value name="A">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="B">
+            <block type="math_number">
+              <field name="NUM">2</field>
+            </block>
+          </value>
+        </block>`,
+      },
+      {
+        'kind': 'SEP',
+        'gap': '20',
+      },
+      {
+        'kind': 'BUTTON',
+        'text': 'insert',
+        'callbackkey': 'insertConnectionRows',
+      },
+      {
+        'kind': 'LABEL',
+        'text': 'tooltips',
+      },
+    ],
+  };
+}
+
+export function getProperSimpleJson() {
+  return {
+    'contents': [
+      {
+        'kind': 'BLOCK',
+        'type': 'logic_compare',
+        'fields': {
+          'OP': 'NEQ',
+        },
+        'inputs': {
+          'A': {
+            'shadow': {
+              'type': 'math_number',
+              'fields': {
+                'NUM': 1,
+              },
+            },
+          },
+          'B': {
+            'block': {
+              'type': 'math_number',
+              'fields': {
+                'NUM': 2,
+              },
+            },
+          },
+        },
+      },
+      {
+        'kind': 'SEP',
+        'gap': '20',
+      },
+      {
+        'kind': 'BUTTON',
+        'text': 'insert',
+        'callbackkey': 'insertConnectionRows',
+      },
+      {
+        'kind': 'LABEL',
+        'text': 'tooltips',
+      },
+    ],
+  };
+}
+
+/**
+ * Get JSON for a toolbox that contains categories that contain categories.
+ * @return {Blockly.utils.toolbox.ToolboxJson} The array holding information
+ *    for a toolbox.
+ */
+export function getDeeplyNestedJSON() {
+  return {
+    'contents': [
+      {
+        'kind': 'CATEGORY',
+        'cssconfig': {
+          'container': 'something',
+        },
+        'contents': [
+          {
+            'kind': 'CATEGORY',
+            'contents': [
+              {
+                'kind': 'CATEGORY',
+                'contents': [
+                  {
+                    'kind': 'BLOCK',
+                    'blockxml':
+                      '<block type="basic_block"><field name="TEXT">NestedCategory-FirstBlock</field></block>',
+                  },
+                  {
+                    'kind': 'BLOCK',
+                    'blockxml':
+                      '<block type="basic_block"><field name="TEXT">NestedCategory-SecondBlock</field></block>',
+                  },
+                ],
+                'name': 'NestedCategoryInner',
+              },
+            ],
+            'name': 'NestedCategoryMiddle',
+          },
+        ],
+        'name': 'NestedCategoryOuter',
+      },
+      {
+        'kind': 'CATEGORY',
+        'contents': [
+          {
+            'kind': 'BLOCK',
+            'blockxml':
+              '<block type="basic_block"><field name="TEXT">SecondCategory-FirstBlock</field></block>',
+          },
+        ],
+        'name': 'Second',
+      },
+    ],
+  };
+}
+
+/**
+ * Get an array filled with xml elements.
+ * @return {Array<Node>} Array holding xml elements for a toolbox.
+ */
+export function getXmlArray() {
+  const block = Blockly.utils.xml.textToDom(
+    `<block type="logic_compare">
+        <field name="OP">NEQ</field>
+        <value name="A">
+          <shadow type="math_number">
+            <field name="NUM">1</field>
+          </shadow>
+        </value>
+        <value name="B">
+          <block type="math_number">
+            <field name="NUM">2</field>
+          </block>
+        </value>
+      </block>`,
+  );
+  const separator = Blockly.utils.xml.textToDom('<sep gap="20"></sep>');
+  const button = Blockly.utils.xml.textToDom(
+    '<button text="insert" callbackkey="insertConnectionRows"></button>',
+  );
+  const label = Blockly.utils.xml.textToDom('<label text="tooltips"></label>');
+  return [block, separator, button, label];
+}
+
+export function getInjectedToolbox() {
+  /**
+   * Category: First
+   *   sep
+   *   basic_block
+   *   basic_block
+   * Category: second
+   *   basic_block
+   * Category: Variables
+   *   custom: VARIABLE
+   * Category: NestedCategory
+   *   Category: NestedItemOne
+   */
+  const toolboxXml = document.getElementById('toolbox-test');
+  const workspace = Blockly.inject('blocklyDiv', {
+    toolbox: toolboxXml,
+  });
+  return workspace.getToolbox();
+}
+
+export function getBasicToolbox() {
+  const workspace = new Blockly.WorkspaceSvg(new Blockly.Options({}));
+  const toolbox = new Blockly.Toolbox(workspace);
+  toolbox.HtmlDiv = document.createElement('div');
+  toolbox.flyout_ = sinon.createStubInstance(Blockly.VerticalFlyout);
+  return toolbox;
+}
+
+export function getCollapsibleItem(toolbox) {
+  const contents = toolbox.contents_;
+  for (let i = 0; i < contents.length; i++) {
+    const item = contents[i];
+    if (item.isCollapsible()) {
+      return item;
+    }
+  }
+}
+
+export function getNonCollapsibleItem(toolbox) {
+  const contents = toolbox.contents_;
+  for (let i = 0; i < contents.length; i++) {
+    const item = contents[i];
+    if (!item.isCollapsible()) {
+      return item;
+    }
+  }
+}
+
+export function getChildItem(toolbox) {
+  return toolbox.getToolboxItemById('nestedCategory');
+}
+
+export function getSeparator(toolbox) {
+  return toolbox.getToolboxItemById('separator');
+}
diff --git a/tests/mocha/test_helpers/user_input.js b/tests/mocha/test_helpers/user_input.js
new file mode 100644
index 00000000000..a5902a7db02
--- /dev/null
+++ b/tests/mocha/test_helpers/user_input.js
@@ -0,0 +1,62 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {KeyCodes} from '../../../build/src/core/utils/keycodes.js';
+
+/**
+ * Triggers pointer event on target.
+ * @param {!EventTarget} target The object receiving the event.
+ * @param {string} type The type of mouse event (eg: mousedown, mouseup,
+ *    click).
+ * @param {Object<string, string>=} properties Properties to pass into event
+ *    constructor.
+ */
+export function dispatchPointerEvent(target, type, properties) {
+  const eventInitDict = {
+    cancelable: true,
+    bubbles: true,
+    isPrimary: true,
+    pressure: 0.5,
+    clientX: 10,
+    clientY: 10,
+  };
+  if (properties) {
+    Object.assign(eventInitDict, properties);
+  }
+  const event = new PointerEvent(type, eventInitDict);
+  target.dispatchEvent(event);
+}
+
+/**
+ * Creates a key down event used for testing.
+ * @param {number} keyCode The keycode for the event. Use Blockly.utils.KeyCodes enum.
+ * @param {!Array<number>=} modifiers A list of modifiers. Use Blockly.utils.KeyCodes enum.
+ * @return {!KeyboardEvent} The mocked keydown event.
+ */
+export function createKeyDownEvent(keyCode, modifiers) {
+  const event = {
+    keyCode: keyCode,
+  };
+  if (modifiers && modifiers.length > 0) {
+    event.altKey = modifiers.includes(KeyCodes.ALT);
+    event.ctrlKey = modifiers.includes(KeyCodes.CTRL);
+    event.metaKey = modifiers.includes(KeyCodes.META);
+    event.shiftKey = modifiers.includes(KeyCodes.SHIFT);
+  }
+  return new KeyboardEvent('keydown', event);
+}
+
+/**
+ * Simulates mouse click by triggering relevant mouse events.
+ * @param {!EventTarget} target The object receiving the event.
+ * @param {Object<string, string>=} properties Properties to pass into event
+ *    constructor.
+ */
+export function simulateClick(target, properties) {
+  dispatchPointerEvent(target, 'pointerdown', properties);
+  dispatchPointerEvent(target, 'pointerup', properties);
+  dispatchPointerEvent(target, 'click', properties);
+}
diff --git a/tests/mocha/test_helpers/variables.js b/tests/mocha/test_helpers/variables.js
new file mode 100644
index 00000000000..0890d58a8f5
--- /dev/null
+++ b/tests/mocha/test_helpers/variables.js
@@ -0,0 +1,21 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Check if a variable with the given values exists.
+ * @param {Blockly.Workspace|Blockly.VariableMap} container The workspace  or
+ *     variableMap the checked variable belongs to.
+ * @param {!string} name The expected name of the variable.
+ * @param {!string} type The expected type of the variable.
+ * @param {!string} id The expected id of the variable.
+ */
+export function assertVariableValues(container, name, type, id) {
+  const variable = container.getVariableById(id);
+  chai.assert.isDefined(variable);
+  chai.assert.equal(variable.name, name);
+  chai.assert.equal(variable.type, type);
+  chai.assert.equal(variable.getId(), id);
+}
diff --git a/tests/mocha/test_helpers/warnings.js b/tests/mocha/test_helpers/warnings.js
new file mode 100644
index 00000000000..d7752e90c2f
--- /dev/null
+++ b/tests/mocha/test_helpers/warnings.js
@@ -0,0 +1,81 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Captures the strings sent to console.warn() when calling a function.
+ * Copies from core.
+ * @param {Function} innerFunc The function where warnings may called.
+ * @return {Array<string>} The warning messages (only the first arguments).
+ */
+export function captureWarnings(innerFunc) {
+  const msgs = [];
+  const nativeConsoleWarn = console.warn;
+  try {
+    console.warn = function (msg) {
+      msgs.push(msg);
+    };
+    innerFunc();
+  } finally {
+    console.warn = nativeConsoleWarn;
+  }
+  return msgs;
+}
+
+/**
+ * Asserts that the given function logs the provided warning messages.
+ * @param {function()} innerFunc The function to call.
+ * @param {Array<!RegExp>|!RegExp} messages A list of regex for the expected
+ *    messages (in the expected order).
+ */
+export function assertWarnings(innerFunc, messages) {
+  if (!Array.isArray(messages)) {
+    messages = [messages];
+  }
+  const warnings = captureWarnings(innerFunc);
+  chai.assert.lengthOf(warnings, messages.length);
+  messages.forEach((message, i) => {
+    chai.assert.match(warnings[i], message);
+  });
+}
+
+/**
+ * Asserts that the given function logs no warning messages.
+ * @param {function()} innerFunc The function to call.
+ */
+export function assertNoWarnings(innerFunc) {
+  assertWarnings(innerFunc, []);
+}
+
+/**
+ * Stubs Blockly.utils.deprecation.warn call.
+ * @return {!SinonStub} The created stub.
+ */
+export function createDeprecationWarningStub() {
+  return sinon.stub(Blockly.utils.deprecation, 'warn');
+}
+
+/**
+ * Asserts whether the given deprecation warning stub or call was called with
+ * the expected functionName.
+ * @param {!SinonSpy|!SinonSpyCall} spyOrSpyCall The spy or spy call to use.
+ * @param {string} functionName The function name to check that the given spy or
+ *    spy call was called with.
+ */
+export function assertDeprecationWarningCall(spyOrSpyCall, functionName) {
+  sinon.assert.calledWith(spyOrSpyCall, functionName);
+}
+
+/**
+ * Asserts that there was a single deprecation warning call with the given
+ * functionName passed.
+ * @param {!SinonSpy} spy The spy to use.
+ * @param {string} functionName The function name to check that the given spy
+ *    was called with.
+ */
+export function assertSingleDeprecationWarningCall(spy, functionName) {
+  sinon.assert.calledOnce(spy);
+  assertDeprecationWarningCall(spy.getCall(0), functionName);
+}
diff --git a/tests/mocha/test_helpers/workspace.js b/tests/mocha/test_helpers/workspace.js
new file mode 100644
index 00000000000..6da113f8b4c
--- /dev/null
+++ b/tests/mocha/test_helpers/workspace.js
@@ -0,0 +1,1711 @@
+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {assertVariableValues} from './variables.js';
+import {assertWarnings} from './warnings.js';
+import * as eventUtils from '../../../build/src/core/events/utils.js';
+import {workspaceTeardown} from './setup_teardown.js';
+
+export function testAWorkspace() {
+  setup(function () {
+    Blockly.defineBlocksWithJsonArray([
+      {
+        'type': 'get_var_block',
+        'message0': '%1',
+        'args0': [
+          {
+            'type': 'field_variable',
+            'name': 'VAR',
+            'variableTypes': ['', 'type1', 'type2'],
+          },
+        ],
+      },
+    ]);
+  });
+
+  teardown(function () {
+    // Clear Blockly.Event state.
+    eventUtils.setGroup(false);
+    while (!eventUtils.isEnabled()) {
+      eventUtils.enable();
+    }
+    sinon.restore();
+  });
+
+  function assertBlockVarModelName(workspace, blockIndex, name) {
+    const block = workspace.getTopBlocks(false)[blockIndex];
+    chai.assert.exists(block, 'Block at topBlocks[' + blockIndex + ']');
+    const varModel = block.getVarModels()[0];
+    chai.assert.exists(
+      varModel,
+      'VariableModel for block at topBlocks[' + blockIndex + ']',
+    );
+    const blockVarName = varModel.name;
+    chai.assert.equal(
+      blockVarName,
+      name,
+      'VariableModel name for block at topBlocks[' + blockIndex + ']',
+    );
+  }
+
+  function createVarBlocksNoEvents(workspace, ids) {
+    const blocks = [];
+    // Turn off events to avoid testing XML at the same time.
+    eventUtils.disable();
+    for (let i = 0, id; (id = ids[i]); i++) {
+      const block = new Blockly.Block(workspace, 'get_var_block');
+      block.inputList[0].fieldRow[0].setValue(id);
+      blocks.push(block);
+    }
+    eventUtils.enable();
+    return blocks;
+  }
+
+  suite('clear', function () {
+    test('Trivial', function () {
+      sinon.stub(eventUtils.TEST_ONLY, 'setGroupInternal').returns(null);
+      this.workspace.createVariable('name1', 'type1', 'id1');
+      this.workspace.createVariable('name2', 'type2', 'id2');
+      this.workspace.newBlock('');
+
+      this.workspace.clear();
+      chai.assert.equal(this.workspace.getTopBlocks(false).length, 0);
+      const varMapLength = this.workspace.getVariableMap().variableMap.size;
+      chai.assert.equal(varMapLength, 0);
+    });
+
+    test('No variables', function () {
+      sinon.stub(eventUtils.TEST_ONLY, 'setGroupInternal').returns(null);
+      this.workspace.newBlock('');
+
+      this.workspace.clear();
+      chai.assert.equal(this.workspace.getTopBlocks(false).length, 0);
+      const varMapLength = this.workspace.getVariableMap().variableMap.size;
+      chai.assert.equal(varMapLength, 0);
+    });
+  });
+
+  suite('deleteVariable', function () {
+    setup(function () {
+      // Create two variables of different types.
+      this.var1 = this.workspace.createVariable('name1', 'type1', 'id1');
+      this.var2 = this.workspace.createVariable('name2', 'type2', 'id2');
+      // Create blocks to refer to both of them.
+      createVarBlocksNoEvents(this.workspace, ['id1', 'id1', 'id2']);
+    });
+
+    test('deleteVariableById(id2) one usage', function () {
+      // Deleting variable one usage should not trigger confirm dialog.
+      const stub = sinon
+        .stub(Blockly.dialog.TEST_ONLY, 'confirmInternal')
+        .callsArgWith(1, true);
+      this.workspace.deleteVariableById('id2');
+
+      sinon.assert.notCalled(stub);
+      const variable = this.workspace.getVariableById('id2');
+      chai.assert.isNull(variable);
+      assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+      assertBlockVarModelName(this.workspace, 0, 'name1');
+    });
+
+    test('deleteVariableById(id1) multiple usages confirm', function () {
+      // Deleting variable with multiple usages triggers confirm dialog.
+      const stub = sinon
+        .stub(Blockly.dialog.TEST_ONLY, 'confirmInternal')
+        .callsArgWith(1, true);
+      this.workspace.deleteVariableById('id1');
+
+      sinon.assert.calledOnce(stub);
+      const variable = this.workspace.getVariableById('id1');
+      chai.assert.isNull(variable);
+      assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+      assertBlockVarModelName(this.workspace, 0, 'name2');
+    });
+
+    test('deleteVariableById(id1) multiple usages cancel', function () {
+      // Deleting variable with multiple usages triggers confirm dialog.
+      const stub = sinon
+        .stub(Blockly.dialog.TEST_ONLY, 'confirmInternal')
+        .callsArgWith(1, false);
+      this.workspace.deleteVariableById('id1');
+
+      sinon.assert.calledOnce(stub);
+      assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+      assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+      assertBlockVarModelName(this.workspace, 0, 'name1');
+      assertBlockVarModelName(this.workspace, 1, 'name1');
+      assertBlockVarModelName(this.workspace, 2, 'name2');
+    });
+  });
+
+  suite('renameVariableById', function () {
+    setup(function () {
+      this.workspace.createVariable('name1', 'type1', 'id1');
+    });
+
+    test('No references rename to name2', function () {
+      this.workspace.renameVariableById('id1', 'name2');
+      assertVariableValues(this.workspace, 'name2', 'type1', 'id1');
+      // Renaming should not have created a new variable.
+      chai.assert.equal(this.workspace.getAllVariables().length, 1);
+    });
+
+    test('Reference exists rename to name2', function () {
+      createVarBlocksNoEvents(this.workspace, ['id1']);
+
+      this.workspace.renameVariableById('id1', 'name2');
+      assertVariableValues(this.workspace, 'name2', 'type1', 'id1');
+      // Renaming should not have created a new variable.
+      chai.assert.equal(this.workspace.getAllVariables().length, 1);
+      assertBlockVarModelName(this.workspace, 0, 'name2');
+    });
+
+    test('Reference exists different capitalization rename to Name1', function () {
+      createVarBlocksNoEvents(this.workspace, ['id1']);
+
+      this.workspace.renameVariableById('id1', 'Name1');
+      assertVariableValues(this.workspace, 'Name1', 'type1', 'id1');
+      // Renaming should not have created a new variable.
+      chai.assert.equal(this.workspace.getAllVariables().length, 1);
+      assertBlockVarModelName(this.workspace, 0, 'Name1');
+    });
+
+    suite('Two variables rename overlap', function () {
+      test('Same type rename variable with id1 to name2', function () {
+        this.workspace.createVariable('name2', 'type1', 'id2');
+        createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
+
+        this.workspace.renameVariableById('id1', 'name2');
+
+        // The second variable should remain unchanged.
+        assertVariableValues(this.workspace, 'name2', 'type1', 'id2');
+        // The first variable should have been deleted.
+        const variable = this.workspace.getVariableById('id1');
+        chai.assert.isNull(variable);
+        // There should only be one variable left.
+        chai.assert.equal(this.workspace.getAllVariables().length, 1);
+
+        // Both blocks should now reference variable with name2.
+        assertBlockVarModelName(this.workspace, 0, 'name2');
+        assertBlockVarModelName(this.workspace, 1, 'name2');
+      });
+
+      test('Different type rename variable with id1 to name2', function () {
+        this.workspace.createVariable('name2', 'type2', 'id2');
+        createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
+
+        this.workspace.renameVariableById('id1', 'name2');
+
+        // Variables with different type are allowed to have the same name.
+        assertVariableValues(this.workspace, 'name2', 'type1', 'id1');
+        assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+
+        // Both blocks should now reference variable with name2.
+        assertBlockVarModelName(this.workspace, 0, 'name2');
+        assertBlockVarModelName(this.workspace, 1, 'name2');
+      });
+
+      test('Same type different capitalization rename variable with id1 to Name2', function () {
+        this.workspace.createVariable('name2', 'type1', 'id2');
+        createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
+
+        this.workspace.renameVariableById('id1', 'Name2');
+
+        // The second variable should be updated.
+        assertVariableValues(this.workspace, 'Name2', 'type1', 'id2');
+        // The first variable should have been deleted.
+        const variable = this.workspace.getVariableById('id1');
+        chai.assert.isNull(variable);
+        // There should only be one variable left.
+        chai.assert.equal(this.workspace.getAllVariables().length, 1);
+
+        // Both blocks should now reference variable with Name2.
+        assertBlockVarModelName(this.workspace, 0, 'Name2');
+        assertBlockVarModelName(this.workspace, 1, 'Name2');
+      });
+
+      test('Different type different capitalization rename variable with id1 to Name2', function () {
+        this.workspace.createVariable('name2', 'type2', 'id2');
+        createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
+
+        this.workspace.renameVariableById('id1', 'Name2');
+
+        // Variables with different type are allowed to have the same name.
+        assertVariableValues(this.workspace, 'Name2', 'type1', 'id1');
+        // Second variable should remain unchanged.
+        assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+
+        // Only first block should use new capitalization.
+        assertBlockVarModelName(this.workspace, 0, 'Name2');
+        assertBlockVarModelName(this.workspace, 1, 'name2');
+      });
+    });
+  });
+
+  suite('getTopBlocks(ordered=true)', function () {
+    test('Empty workspace', function () {
+      chai.assert.equal(this.workspace.getTopBlocks(true).length, 0);
+    });
+
+    test('Flat workspace one block', function () {
+      this.workspace.newBlock('');
+      chai.assert.equal(this.workspace.getTopBlocks(true).length, 1);
+    });
+
+    test('Flat workspace one block after dispose', function () {
+      const blockA = this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      blockA.dispose();
+      chai.assert.equal(this.workspace.getTopBlocks(true).length, 1);
+    });
+
+    test('Flat workspace two blocks', function () {
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      chai.assert.equal(this.workspace.getTopBlocks(true).length, 2);
+    });
+
+    test('Clear', function () {
+      this.workspace.clear();
+      chai.assert.equal(
+        this.workspace.getTopBlocks(true).length,
+        0,
+        'Clear empty workspace',
+      );
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      this.workspace.clear();
+      chai.assert.equal(this.workspace.getTopBlocks(true).length, 0);
+    });
+  });
+
+  suite('getTopBlocks(ordered=false)', function () {
+    test('Empty workspace', function () {
+      chai.assert.equal(this.workspace.getTopBlocks(false).length, 0);
+    });
+
+    test('Flat workspace one block', function () {
+      this.workspace.newBlock('');
+      chai.assert.equal(this.workspace.getTopBlocks(false).length, 1);
+    });
+
+    test('Flat workspace one block after dispose', function () {
+      const blockA = this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      blockA.dispose();
+      chai.assert.equal(this.workspace.getTopBlocks(false).length, 1);
+    });
+
+    test('Flat workspace two blocks', function () {
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      chai.assert.equal(this.workspace.getTopBlocks(false).length, 2);
+    });
+
+    test('Clear empty workspace', function () {
+      this.workspace.clear();
+      chai.assert.equal(this.workspace.getTopBlocks(false).length, 0);
+    });
+
+    test('Clear non-empty workspace', function () {
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      this.workspace.clear();
+      chai.assert.equal(this.workspace.getTopBlocks(false).length, 0);
+    });
+  });
+
+  suite('getAllBlocks', function () {
+    test('Empty workspace', function () {
+      chai.assert.equal(this.workspace.getAllBlocks(true).length, 0);
+    });
+
+    test('Flat workspace one block', function () {
+      this.workspace.newBlock('');
+      chai.assert.equal(this.workspace.getAllBlocks(true).length, 1);
+    });
+
+    test('Flat workspace one block after dispose', function () {
+      const blockA = this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      blockA.dispose();
+      chai.assert.equal(this.workspace.getAllBlocks(true).length, 1);
+    });
+
+    test('Flat workspace two blocks', function () {
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      chai.assert.equal(this.workspace.getAllBlocks(true).length, 2);
+    });
+
+    test('Clear', function () {
+      this.workspace.clear();
+      chai.assert.equal(
+        this.workspace.getAllBlocks(true).length,
+        0,
+        'Clear empty workspace',
+      );
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      this.workspace.clear();
+      chai.assert.equal(this.workspace.getAllBlocks(true).length, 0);
+    });
+  });
+
+  suite('remainingCapacity', function () {
+    setup(function () {
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+    });
+
+    test('No block limit', function () {
+      chai.assert.equal(this.workspace.remainingCapacity(), Infinity);
+    });
+
+    test('Under block limit', function () {
+      this.workspace.options.maxBlocks = 3;
+      chai.assert.equal(this.workspace.remainingCapacity(), 1);
+      this.workspace.options.maxBlocks = 4;
+      chai.assert.equal(this.workspace.remainingCapacity(), 2);
+    });
+
+    test('At block limit', function () {
+      this.workspace.options.maxBlocks = 2;
+      chai.assert.equal(this.workspace.remainingCapacity(), 0);
+    });
+
+    test('At block limit of 0 after clear', function () {
+      this.workspace.options.maxBlocks = 0;
+      this.workspace.clear();
+      chai.assert.equal(this.workspace.remainingCapacity(), 0);
+    });
+
+    test('Over block limit', function () {
+      this.workspace.options.maxBlocks = 1;
+      chai.assert.equal(this.workspace.remainingCapacity(), -1);
+    });
+
+    test('Over block limit of 0', function () {
+      this.workspace.options.maxBlocks = 0;
+      chai.assert.equal(this.workspace.remainingCapacity(), -2);
+    });
+  });
+
+  suite('remainingCapacityOfType', function () {
+    setup(function () {
+      this.workspace.newBlock('get_var_block');
+      this.workspace.newBlock('get_var_block');
+      this.workspace.options.maxInstances = {};
+    });
+
+    test('No instance limit', function () {
+      chai.assert.equal(
+        this.workspace.remainingCapacityOfType('get_var_block'),
+        Infinity,
+      );
+    });
+
+    test('Under instance limit', function () {
+      this.workspace.options.maxInstances['get_var_block'] = 3;
+      chai.assert.equal(
+        this.workspace.remainingCapacityOfType('get_var_block'),
+        1,
+        'With maxInstances limit 3',
+      );
+      this.workspace.options.maxInstances['get_var_block'] = 4;
+      chai.assert.equal(
+        this.workspace.remainingCapacityOfType('get_var_block'),
+        2,
+        'With maxInstances limit 4',
+      );
+    });
+
+    test('Under instance limit with multiple block types', function () {
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      this.workspace.options.maxInstances['get_var_block'] = 3;
+      chai.assert.equal(
+        this.workspace.remainingCapacityOfType('get_var_block'),
+        1,
+        'With maxInstances limit 3',
+      );
+      this.workspace.options.maxInstances['get_var_block'] = 4;
+      chai.assert.equal(
+        this.workspace.remainingCapacityOfType('get_var_block'),
+        2,
+        'With maxInstances limit 4',
+      );
+    });
+
+    test('At instance limit', function () {
+      this.workspace.options.maxInstances['get_var_block'] = 2;
+      chai.assert.equal(
+        this.workspace.remainingCapacityOfType('get_var_block'),
+        0,
+        'With maxInstances limit 2',
+      );
+    });
+
+    test('At instance limit of 0 after clear', function () {
+      this.workspace.clear();
+      this.workspace.options.maxInstances['get_var_block'] = 0;
+      chai.assert.equal(
+        this.workspace.remainingCapacityOfType('get_var_block'),
+        0,
+      );
+    });
+
+    test('At instance limit with multiple block types', function () {
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      this.workspace.options.maxInstances['get_var_block'] = 2;
+      chai.assert.equal(
+        this.workspace.remainingCapacityOfType('get_var_block'),
+        0,
+        'With maxInstances limit 2',
+      );
+    });
+
+    test('At instance limit of 0 with multiple block types', function () {
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      this.workspace.options.maxInstances['get_var_block'] = 0;
+      this.workspace.clear();
+      chai.assert.equal(
+        this.workspace.remainingCapacityOfType('get_var_block'),
+        0,
+      );
+    });
+
+    test('Over instance limit', function () {
+      this.workspace.options.maxInstances['get_var_block'] = 1;
+      chai.assert.equal(
+        this.workspace.remainingCapacityOfType('get_var_block'),
+        -1,
+        'With maxInstances limit 1',
+      );
+    });
+
+    test('Over instance limit of 0', function () {
+      this.workspace.options.maxInstances['get_var_block'] = 0;
+      chai.assert.equal(
+        this.workspace.remainingCapacityOfType('get_var_block'),
+        -2,
+        'With maxInstances limit 0',
+      );
+    });
+
+    test('Over instance limit with multiple block types', function () {
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      this.workspace.options.maxInstances['get_var_block'] = 1;
+      chai.assert.equal(
+        this.workspace.remainingCapacityOfType('get_var_block'),
+        -1,
+        'With maxInstances limit 1',
+      );
+    });
+
+    test('Over instance limit of 0 with multiple block types', function () {
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      this.workspace.newBlock('');
+      this.workspace.options.maxInstances['get_var_block'] = 0;
+      chai.assert.equal(
+        this.workspace.remainingCapacityOfType('get_var_block'),
+        -2,
+        'With maxInstances limit 0',
+      );
+    });
+  });
+
+  suite('isCapacityAvailable', function () {
+    setup(function () {
+      this.workspace.newBlock('get_var_block');
+      this.workspace.newBlock('get_var_block');
+      this.workspace.options.maxInstances = {};
+    });
+
+    test('Under block limit and no instance limit', function () {
+      this.workspace.options.maxBlocks = 3;
+      const typeCountsMap = {'get_var_block': 1};
+      chai.assert.isTrue(this.workspace.isCapacityAvailable(typeCountsMap));
+    });
+
+    test('At block limit and no instance limit', function () {
+      this.workspace.options.maxBlocks = 2;
+      const typeCountsMap = {'get_var_block': 1};
+      chai.assert.isFalse(this.workspace.isCapacityAvailable(typeCountsMap));
+    });
+
+    test('Over block limit of 0 and no instance limit', function () {
+      this.workspace.options.maxBlocks = 0;
+      const typeCountsMap = {'get_var_block': 1};
+      chai.assert.isFalse(this.workspace.isCapacityAvailable(typeCountsMap));
+    });
+
+    test('Over block limit but under instance limit', function () {
+      this.workspace.options.maxBlocks = 1;
+      this.workspace.options.maxInstances['get_var_block'] = 3;
+      const typeCountsMap = {'get_var_block': 1};
+      chai.assert.isFalse(
+        this.workspace.isCapacityAvailable(typeCountsMap),
+        'With maxBlocks limit 1 and maxInstances limit 3',
+      );
+    });
+
+    test('Over block limit of 0 but under instance limit', function () {
+      this.workspace.options.maxBlocks = 0;
+      this.workspace.options.maxInstances['get_var_block'] = 3;
+      const typeCountsMap = {'get_var_block': 1};
+      chai.assert.isFalse(
+        this.workspace.isCapacityAvailable(typeCountsMap),
+        'With maxBlocks limit 0 and maxInstances limit 3',
+      );
+    });
+
+    test('Over block limit but at instance limit', function () {
+      this.workspace.options.maxBlocks = 1;
+      this.workspace.options.maxInstances['get_var_block'] = 2;
+      const typeCountsMap = {'get_var_block': 1};
+      chai.assert.isFalse(
+        this.workspace.isCapacityAvailable(typeCountsMap),
+        'With maxBlocks limit 1 and maxInstances limit 2',
+      );
+    });
+
+    test('Over block limit and over instance limit', function () {
+      this.workspace.options.maxBlocks = 1;
+      this.workspace.options.maxInstances['get_var_block'] = 1;
+      const typeCountsMap = {'get_var_block': 1};
+      chai.assert.isFalse(
+        this.workspace.isCapacityAvailable(typeCountsMap),
+        'With maxBlocks limit 1 and maxInstances limit 1',
+      );
+    });
+
+    test('Over block limit of 0 and over instance limit', function () {
+      this.workspace.options.maxBlocks = 0;
+      this.workspace.options.maxInstances['get_var_block'] = 1;
+      const typeCountsMap = {'get_var_block': 1};
+      chai.assert.isFalse(
+        this.workspace.isCapacityAvailable(typeCountsMap),
+        'With maxBlocks limit 0 and maxInstances limit 1',
+      );
+    });
+
+    test('Over block limit and over instance limit of 0', function () {
+      this.workspace.options.maxBlocks = 1;
+      this.workspace.options.maxInstances['get_var_block'] = 0;
+      const typeCountsMap = {'get_var_block': 1};
+      chai.assert.isFalse(
+        this.workspace.isCapacityAvailable(typeCountsMap),
+        'With maxBlocks limit 1 and maxInstances limit 0',
+      );
+    });
+
+    test('Over block limit of 0 and over instance limit of 0', function () {
+      this.workspace.options.maxBlocks = 0;
+      this.workspace.options.maxInstances['get_var_block'] = 0;
+      const typeCountsMap = {'get_var_block': 1};
+      chai.assert.isFalse(this.workspace.isCapacityAvailable(typeCountsMap));
+    });
+  });
+
+  suite('getById', function () {
+    setup(function () {
+      this.workspaceB = this.workspace.rendered
+        ? new Blockly.WorkspaceSvg(new Blockly.Options({}))
+        : new Blockly.Workspace();
+    });
+
+    teardown(function () {
+      workspaceTeardown.call(this, this.workspaceB);
+    });
+
+    test('Trivial', function () {
+      chai.assert.equal(
+        Blockly.Workspace.getById(this.workspace.id),
+        this.workspace,
+        'Find workspace',
+      );
+      chai.assert.equal(
+        Blockly.Workspace.getById(this.workspaceB.id),
+        this.workspaceB,
+        'Find workspaceB',
+      );
+    });
+
+    test('Null id', function () {
+      chai.assert.isNull(Blockly.Workspace.getById(null));
+    });
+
+    test('Non-existent id', function () {
+      chai.assert.isNull(Blockly.Workspace.getById('badId'));
+    });
+
+    test('After dispose', function () {
+      this.workspaceB.dispose();
+      chai.assert.isNull(Blockly.Workspace.getById(this.workspaceB.id));
+    });
+  });
+
+  suite('getBlockById', function () {
+    setup(function () {
+      this.blockA = this.workspace.newBlock('');
+      this.blockB = this.workspace.newBlock('');
+      this.workspaceB = this.workspace.rendered
+        ? new Blockly.WorkspaceSvg(new Blockly.Options({}))
+        : new Blockly.Workspace();
+    });
+
+    teardown(function () {
+      workspaceTeardown.call(this, this.workspaceB);
+    });
+
+    test('Trivial', function () {
+      chai.assert.equal(
+        this.workspace.getBlockById(this.blockA.id),
+        this.blockA,
+      );
+      chai.assert.equal(
+        this.workspace.getBlockById(this.blockB.id),
+        this.blockB,
+      );
+    });
+
+    test('Null id', function () {
+      chai.assert.isNull(this.workspace.getBlockById(null));
+    });
+
+    test('Non-existent id', function () {
+      chai.assert.isNull(this.workspace.getBlockById('badId'));
+    });
+
+    test('After dispose', function () {
+      this.blockA.dispose();
+      chai.assert.isNull(this.workspace.getBlockById(this.blockA.id));
+      chai.assert.equal(
+        this.workspace.getBlockById(this.blockB.id),
+        this.blockB,
+      );
+    });
+
+    test('After clear', function () {
+      this.workspace.clear();
+      chai.assert.isNull(this.workspace.getBlockById(this.blockA.id));
+      chai.assert.isNull(this.workspace.getBlockById(this.blockB.id));
+    });
+  });
+
+  suite('Undo/Redo', function () {
+    /**
+     * Assert that two nodes are equal.
+     * @param {!Element} actual the actual node.
+     * @param {!Element} expected the expected node.
+     */
+    function assertNodesEqual(actual, expected) {
+      const actualString = '\n' + Blockly.Xml.domToPrettyText(actual) + '\n';
+      const expectedString =
+        '\n' + Blockly.Xml.domToPrettyText(expected) + '\n';
+
+      chai.assert.equal(actual.tagName, expected.tagName);
+      for (let i = 0, attr; (attr = expected.attributes[i]); i++) {
+        chai.assert.equal(
+          actual.getAttribute(attr.name),
+          attr.value,
+          `expected attribute ${attr.name} on ${actualString} to match ` +
+            `${expectedString}`,
+        );
+      }
+      chai.assert.equal(
+        actual.childElementCount,
+        expected.childElementCount,
+        `expected node ${actualString} to have the same children as node ` +
+          `${expectedString}`,
+      );
+      for (let i = 0; i < expected.childElementCount; i++) {
+        assertNodesEqual(actual.children[i], expected.children[i]);
+      }
+    }
+
+    suite('Undo Delete', function () {
+      setup(function () {
+        Blockly.defineBlocksWithJsonArray([
+          {
+            'type': 'stack_block',
+            'message0': '',
+            'previousStatement': null,
+            'nextStatement': null,
+          },
+          {
+            'type': 'row_block',
+            'message0': '%1',
+            'args0': [
+              {
+                'type': 'input_value',
+                'name': 'INPUT',
+              },
+            ],
+            'output': null,
+          },
+          {
+            'type': 'statement_block',
+            'message0': '%1',
+            'args0': [
+              {
+                'type': 'input_statement',
+                'name': 'STATEMENT',
+              },
+            ],
+            'previousStatement': null,
+            'nextStatement': null,
+          },
+        ]);
+      });
+
+      teardown(function () {
+        delete Blockly.Blocks['stack_block'];
+        delete Blockly.Blocks['row_block'];
+        delete Blockly.Blocks['statement_block'];
+      });
+
+      function testUndoDelete(xmlText) {
+        const xml = Blockly.utils.xml.textToDom(xmlText);
+        Blockly.Xml.domToBlock(xml, this.workspace);
+        this.workspace.getTopBlocks()[0].dispose(false);
+        this.clock.runAll();
+        this.workspace.undo();
+        this.clock.runAll();
+        const newXml = Blockly.Xml.workspaceToDom(this.workspace);
+        assertNodesEqual(newXml.firstChild, xml);
+      }
+
+      test('Stack', function () {
+        testUndoDelete.call(this, '<block type="stack_block" id="1"/>');
+      });
+
+      test('Row', function () {
+        testUndoDelete.call(this, '<block type="row_block" id="1"/>');
+      });
+
+      test('Statement', function () {
+        testUndoDelete.call(this, '<block type="statement_block" id="1"/>');
+      });
+
+      test('Stack w/ child', function () {
+        testUndoDelete.call(
+          this,
+          '<block type="stack_block" id="1">' +
+            '  <next>' +
+            '    <block type="stack_block" id="2"></block>' +
+            '  </next>' +
+            '</block>',
+        );
+      });
+
+      test('Row w/ child', function () {
+        testUndoDelete.call(
+          this,
+          '<block type="row_block" id="1">' +
+            '  <value name="INPUT">' +
+            '    <block type="row_block" id="2"></block>' +
+            '  </value>' +
+            '</block>',
+        );
+      });
+
+      test('Statement w/ child', function () {
+        testUndoDelete.call(
+          this,
+          '<block type="statement_block" id="1">' +
+            '  <statement name="STATEMENT">' +
+            '    <block type="stack_block" id="2"></block>' +
+            '  </statement>' +
+            '</block>',
+        );
+      });
+
+      test('Stack w/ shadow', function () {
+        testUndoDelete.call(
+          this,
+          '<block type="stack_block" id="1">' +
+            '  <next>' +
+            '    <shadow type="stack_block" id="2"></shadow>' +
+            '  </next>' +
+            '</block>',
+        );
+      });
+
+      test('Row w/ shadow', function () {
+        testUndoDelete.call(
+          this,
+          '<block type="row_block" id="1">' +
+            '  <value name="INPUT">' +
+            '    <shadow type="row_block" id="2"></shadow>' +
+            '  </value>' +
+            '</block>',
+        );
+      });
+
+      test('Statement w/ shadow', function () {
+        testUndoDelete.call(
+          this,
+          '<block type="statement_block" id="1">' +
+            '  <statement name="STATEMENT">' +
+            '    <shadow type="stack_block" id="2"></shadow>' +
+            '  </statement>' +
+            '</block>',
+        );
+      });
+    });
+
+    suite('Undo Connect', function () {
+      setup(function () {
+        Blockly.defineBlocksWithJsonArray([
+          {
+            'type': 'stack_block',
+            'message0': '',
+            'previousStatement': null,
+            'nextStatement': null,
+          },
+          {
+            'type': 'row_block',
+            'message0': '%1',
+            'args0': [
+              {
+                'type': 'input_value',
+                'name': 'INPUT',
+              },
+            ],
+            'output': null,
+          },
+          {
+            'type': 'statement_block',
+            'message0': '%1',
+            'args0': [
+              {
+                'type': 'input_statement',
+                'name': 'STATEMENT',
+              },
+            ],
+            'previousStatement': null,
+            'nextStatement': null,
+          },
+        ]);
+      });
+
+      teardown(function () {
+        delete Blockly.Blocks['stack_block'];
+        delete Blockly.Blocks['row_block'];
+        delete Blockly.Blocks['statement_block'];
+      });
+
+      function testUndoConnect(xmlText, parentId, childId, func) {
+        const xml = Blockly.utils.xml.textToDom(xmlText);
+        Blockly.Xml.domToWorkspace(xml, this.workspace);
+        this.clock.runAll();
+
+        const parent = this.workspace.getBlockById(parentId);
+        const child = this.workspace.getBlockById(childId);
+        func.call(this, parent, child);
+        this.clock.runAll();
+        this.workspace.undo();
+        this.clock.runAll();
+
+        const newXml = Blockly.Xml.workspaceToDom(this.workspace);
+        assertNodesEqual(newXml, xml);
+      }
+
+      test('Stack', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="stack_block" id="1" x="10" y="10"></block>' +
+          '  <block type="stack_block" id="2" x="50" y="50"></block>' +
+          '</xml>';
+
+        testUndoConnect.call(this, xml, '1', '2', (parent, child) => {
+          parent.nextConnection.connect(child.previousConnection);
+        });
+      });
+
+      test('Row', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="row_block" id="1" x="10" y="10"></block>' +
+          '  <block type="row_block" id="2" x="50" y="50"></block>' +
+          '</xml>';
+
+        testUndoConnect.call(this, xml, '1', '2', (parent, child) => {
+          parent.getInput('INPUT').connection.connect(child.outputConnection);
+        });
+      });
+
+      test('Statement', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="statement_block" id="1" x="10" y="10"></block>' +
+          '  <block type="stack_block" id="2" x="50" y="50"></block>' +
+          '</xml>';
+
+        testUndoConnect.call(this, xml, '1', '2', (parent, child) => {
+          parent
+            .getInput('STATEMENT')
+            .connection.connect(child.previousConnection);
+        });
+      });
+
+      test('Stack w/ child', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="stack_block" id="1" x="10" y="10">' +
+          '    <next>' +
+          '      <block type="stack_block" id="3"></block>' +
+          '    </next>' +
+          '  </block>' +
+          '  <block type="stack_block" id="2" x="50" y="50"></block>' +
+          '</xml>';
+
+        testUndoConnect.call(this, xml, '1', '2', (parent, child) => {
+          parent.nextConnection.connect(child.previousConnection);
+        });
+      });
+
+      test('Row w/ child', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="row_block" id="1" x="10" y="10">' +
+          '    <value name="INPUT">' +
+          '      <block type="row_block" id="3"></block>' +
+          '    </value>' +
+          '  </block>' +
+          '  <block type="row_block" id="2" x="50" y="50"></block>' +
+          '</xml>';
+
+        testUndoConnect.call(this, xml, '1', '2', (parent, child) => {
+          parent.getInput('INPUT').connection.connect(child.outputConnection);
+        });
+      });
+
+      test('Statement w/ child', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="statement_block" id="1" x="10" y="10">' +
+          '    <statement name="STATEMENT">' +
+          '      <block type="stack_block" id="3"></block>' +
+          '    </statement>' +
+          '  </block>' +
+          '  <block type="stack_block" id="2" x="100" y="100"></block>' +
+          '</xml>';
+
+        testUndoConnect.call(this, xml, '1', '2', (parent, child) => {
+          parent
+            .getInput('STATEMENT')
+            .connection.connect(child.previousConnection);
+        });
+      });
+
+      test('Stack w/ shadow', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="stack_block" id="1" x="10" y="10">' +
+          '    <next>' +
+          '      <shadow type="stack_block" id="3"></shadow>' +
+          '    </next>' +
+          '  </block>' +
+          '  <block type="stack_block" id="2" x="50" y="50"></block>' +
+          '</xml>';
+
+        testUndoConnect.call(this, xml, '1', '2', (parent, child) => {
+          parent.nextConnection.connect(child.previousConnection);
+        });
+      });
+
+      test('Row w/ shadow', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="row_block" id="1" x="10" y="10">' +
+          '    <value name="INPUT">' +
+          '      <shadow type="row_block" id="3"></shadow>' +
+          '    </value>' +
+          '  </block>' +
+          '  <block type="row_block" id="2" x="50" y="50"></block>' +
+          '</xml>';
+
+        testUndoConnect.call(this, xml, '1', '2', (parent, child) => {
+          parent.getInput('INPUT').connection.connect(child.outputConnection);
+        });
+      });
+
+      test('Statement w/ shadow', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="statement_block" id="1" x="10" y="10">' +
+          '    <statement name="STATEMENT">' +
+          '      <shadow type="stack_block" id="3"></shadow>' +
+          '    </statement>' +
+          '  </block>' +
+          '  <block type="stack_block" id="2" x="100" y="100"></block>' +
+          '</xml>';
+
+        testUndoConnect.call(this, xml, '1', '2', (parent, child) => {
+          parent
+            .getInput('STATEMENT')
+            .connection.connect(child.previousConnection);
+        });
+      });
+    });
+
+    suite('Undo Disconnect', function () {
+      setup(function () {
+        Blockly.defineBlocksWithJsonArray([
+          {
+            'type': 'stack_block',
+            'message0': '',
+            'previousStatement': null,
+            'nextStatement': null,
+          },
+          {
+            'type': 'row_block',
+            'message0': '%1',
+            'args0': [
+              {
+                'type': 'input_value',
+                'name': 'INPUT',
+              },
+            ],
+            'output': null,
+          },
+          {
+            'type': 'statement_block',
+            'message0': '%1',
+            'args0': [
+              {
+                'type': 'input_statement',
+                'name': 'STATEMENT',
+              },
+            ],
+            'previousStatement': null,
+            'nextStatement': null,
+          },
+        ]);
+      });
+
+      teardown(function () {
+        delete Blockly.Blocks['stack_block'];
+        delete Blockly.Blocks['row_block'];
+        delete Blockly.Blocks['statement_block'];
+      });
+
+      function testUndoDisconnect(xmlText, childId) {
+        const xml = Blockly.utils.xml.textToDom(xmlText);
+        Blockly.Xml.domToWorkspace(xml, this.workspace);
+        this.clock.runAll();
+
+        const child = this.workspace.getBlockById(childId);
+        if (child.outputConnection) {
+          child.outputConnection.disconnect();
+        } else {
+          child.previousConnection.disconnect();
+        }
+        this.clock.runAll();
+        this.workspace.undo();
+        this.clock.runAll();
+
+        const newXml = Blockly.Xml.workspaceToDom(this.workspace);
+        assertNodesEqual(newXml, xml);
+      }
+
+      test('Stack', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="stack_block" id="1">' +
+          '    <next>' +
+          '      <block type="stack_block" id="2"></block>' +
+          '    </next>' +
+          '  </block>' +
+          '</xml>';
+        testUndoDisconnect.call(this, xml, '2');
+      });
+
+      test('Row', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="row_block" id="1">' +
+          '    <value name="INPUT">' +
+          '      <block type="row_block" id="2"></block>' +
+          '    </value>' +
+          '  </block>' +
+          '</xml>';
+        testUndoDisconnect.call(this, xml, '2');
+      });
+
+      test('Statement', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="statement_block" id="1">' +
+          '    <statement name="STATEMENT">' +
+          '      <block type="stack_block" id="2"></block>' +
+          '    </statement>' +
+          '  </block>' +
+          '</xml>';
+        testUndoDisconnect.call(this, xml, '2');
+      });
+
+      test('Stack w/ child', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="stack_block" id="1">' +
+          '    <next>' +
+          '      <block type="stack_block" id="2">' +
+          '        <next>' +
+          '          <block type="stack_block" id="3"></block>' +
+          '        </next>' +
+          '      </block>' +
+          '    </next>' +
+          '  </block>' +
+          '</xml>';
+        testUndoDisconnect.call(this, xml, '2');
+      });
+
+      test('Row w/ child', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="row_block" id="1">' +
+          '    <value name="INPUT">' +
+          '      <block type="row_block" id="2">' +
+          '        <value name="INPUT">' +
+          '          <block type="row_block" id="3"></block>' +
+          '        </value>' +
+          '      </block>' +
+          '    </value>' +
+          '  </block>' +
+          '</xml>';
+        testUndoDisconnect.call(this, xml, '2');
+      });
+
+      test('Statement w/ child', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="statement_block" id="1">' +
+          '    <statement name="STATEMENT">' +
+          '      <block type="statement_block" id="2">' +
+          '        <statement name="STATEMENT">' +
+          '          <block type="stack_block" id="3"></block>' +
+          '        </statement>' +
+          '      </block>' +
+          '    </statement>' +
+          '  </block>' +
+          '</xml>';
+        testUndoDisconnect.call(this, xml, '2');
+      });
+
+      test('Stack w/ shadow', function () {
+        // TODO: For some reason on next connections shadows are
+        //   serialized second.
+        const xml =
+          '<xml>' +
+          '  <block type="stack_block" id="1">' +
+          '    <next>' +
+          '      <block type="stack_block" id="2"></block>' +
+          '      <shadow type="stack_block" id="3"></shadow>' +
+          '    </next>' +
+          '  </block>' +
+          '</xml>';
+        testUndoDisconnect.call(this, xml, '2');
+        chai.assert.equal(
+          this.workspace.getAllBlocks().length,
+          2,
+          'expected there to only be 2 blocks on the workspace ' +
+            '(check for shadows)',
+        );
+      });
+
+      test('Row w/ shadow', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="row_block" id="1">' +
+          '    <value name="INPUT">' +
+          '      <shadow type="row_block" id="3"></shadow>' +
+          '      <block type="row_block" id="2"></block>' +
+          '    </value>' +
+          '  </block>' +
+          '</xml>';
+        testUndoDisconnect.call(this, xml, '2');
+        chai.assert.equal(
+          this.workspace.getAllBlocks().length,
+          2,
+          'expected there to only be 2 blocks on the workspace ' +
+            '(check for shadows)',
+        );
+      });
+
+      test('Statement w/ shadow', function () {
+        const xml =
+          '<xml>' +
+          '  <block type="statement_block" id="1">' +
+          '    <statement name="STATEMENT">' +
+          '      <shadow type="stack_block" id="3"></shadow>' +
+          '      <block type="stack_block" id="2"></block>' +
+          '    </statement>' +
+          '  </block>' +
+          '</xml>';
+        testUndoDisconnect.call(this, xml, '2');
+      });
+    });
+
+    suite('Variables', function () {
+      function createTwoVarsDifferentTypes(workspace) {
+        workspace.createVariable('name1', 'type1', 'id1');
+        workspace.createVariable('name2', 'type2', 'id2');
+      }
+
+      suite('createVariable', function () {
+        test('Undo only', function () {
+          createTwoVarsDifferentTypes(this.workspace);
+          this.clock.runAll();
+
+          this.workspace.undo();
+          this.clock.runAll();
+          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+          chai.assert.isNull(this.workspace.getVariableById('id2'));
+
+          this.workspace.undo();
+          chai.assert.isNull(this.workspace.getVariableById('id1'));
+          chai.assert.isNull(this.workspace.getVariableById('id2'));
+        });
+
+        test('Undo and redo', function () {
+          createTwoVarsDifferentTypes(this.workspace);
+          this.clock.runAll();
+
+          this.workspace.undo();
+          this.clock.runAll();
+          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+          chai.assert.isNull(this.workspace.getVariableById('id2'));
+
+          this.workspace.undo(true);
+
+          // Expect that variable 'id2' is recreated
+          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+
+          this.workspace.undo();
+          this.workspace.undo();
+          chai.assert.isNull(this.workspace.getVariableById('id1'));
+          chai.assert.isNull(this.workspace.getVariableById('id2'));
+          this.workspace.undo(true);
+
+          // Expect that variable 'id1' is recreated
+          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+          chai.assert.isNull(this.workspace.getVariableById('id2'));
+        });
+      });
+
+      suite('deleteVariableById', function () {
+        test('Undo only no usages', function () {
+          createTwoVarsDifferentTypes(this.workspace);
+          this.clock.runAll();
+          this.workspace.deleteVariableById('id1');
+          this.workspace.deleteVariableById('id2');
+          this.clock.runAll();
+
+          this.workspace.undo();
+          this.clock.runAll();
+          chai.assert.isNull(this.workspace.getVariableById('id1'));
+          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+
+          this.workspace.undo();
+          this.clock.runAll();
+          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+        });
+
+        test('Undo only with usages', function () {
+          createTwoVarsDifferentTypes(this.workspace);
+          // Create blocks to refer to both of them.
+          createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
+          this.clock.runAll();
+          this.workspace.deleteVariableById('id1');
+          this.workspace.deleteVariableById('id2');
+          this.clock.runAll();
+
+          this.workspace.undo();
+          this.clock.runAll();
+          assertBlockVarModelName(this.workspace, 0, 'name2');
+          chai.assert.isNull(this.workspace.getVariableById('id1'));
+          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+
+          this.workspace.undo();
+          this.clock.runAll();
+          assertBlockVarModelName(this.workspace, 0, 'name2');
+          assertBlockVarModelName(this.workspace, 1, 'name1');
+          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+        });
+
+        test('Reference exists no usages', function () {
+          createTwoVarsDifferentTypes(this.workspace);
+          this.clock.runAll();
+          this.workspace.deleteVariableById('id1');
+          this.workspace.deleteVariableById('id2');
+          this.clock.runAll();
+
+          this.workspace.undo();
+          this.clock.runAll();
+          chai.assert.isNull(this.workspace.getVariableById('id1'));
+          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+
+          this.workspace.undo(true);
+          this.clock.runAll();
+          // Expect that both variables are deleted
+          chai.assert.isNull(this.workspace.getVariableById('id1'));
+          chai.assert.isNull(this.workspace.getVariableById('id2'));
+
+          this.workspace.undo();
+          this.clock.runAll();
+          this.workspace.undo();
+          this.clock.runAll();
+          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+
+          this.workspace.undo(true);
+          this.clock.runAll();
+          // Expect that variable 'id2' is recreated
+          chai.assert.isNull(this.workspace.getVariableById('id1'));
+          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+        });
+
+        test('Reference exists with usages', function () {
+          createTwoVarsDifferentTypes(this.workspace);
+          // Create blocks to refer to both of them.
+          createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
+          this.clock.runAll();
+          this.workspace.deleteVariableById('id1');
+          this.workspace.deleteVariableById('id2');
+          this.clock.runAll();
+
+          this.workspace.undo();
+          this.clock.runAll();
+          assertBlockVarModelName(this.workspace, 0, 'name2');
+          chai.assert.isNull(this.workspace.getVariableById('id1'));
+          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+
+          this.workspace.undo(true);
+          this.clock.runAll();
+          // Expect that both variables are deleted
+          chai.assert.equal(this.workspace.getTopBlocks(false).length, 0);
+          chai.assert.isNull(this.workspace.getVariableById('id1'));
+          chai.assert.isNull(this.workspace.getVariableById('id2'));
+
+          this.workspace.undo();
+          this.clock.runAll();
+          this.workspace.undo();
+          this.clock.runAll();
+          assertBlockVarModelName(this.workspace, 0, 'name2');
+          assertBlockVarModelName(this.workspace, 1, 'name1');
+          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+
+          this.workspace.undo(true);
+          this.clock.runAll();
+          // Expect that variable 'id2' is recreated
+          assertBlockVarModelName(this.workspace, 0, 'name2');
+          chai.assert.isNull(this.workspace.getVariableById('id1'));
+          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+        });
+
+        test('Delete same variable twice no usages', function () {
+          this.workspace.createVariable('name1', 'type1', 'id1');
+          this.workspace.deleteVariableById('id1');
+          this.clock.runAll();
+          const workspace = this.workspace;
+          assertWarnings(() => {
+            workspace.deleteVariableById('id1');
+          }, /Can't delete/);
+
+          // Check the undoStack only recorded one delete event.
+          const undoStack = this.workspace.undoStack_;
+          chai.assert.equal(undoStack[undoStack.length - 1].type, 'var_delete');
+          chai.assert.notEqual(
+            undoStack[undoStack.length - 2].type,
+            'var_delete',
+          );
+
+          // Undo delete
+          this.workspace.undo();
+          this.clock.runAll();
+          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+
+          // Redo delete
+          this.workspace.undo(true);
+          this.clock.runAll();
+          chai.assert.isNull(this.workspace.getVariableById('id1'));
+
+          // Redo delete, nothing should happen
+          this.workspace.undo(true);
+          this.clock.runAll();
+          chai.assert.isNull(this.workspace.getVariableById('id1'));
+        });
+
+        test('Delete same variable twice with usages', function () {
+          this.workspace.createVariable('name1', 'type1', 'id1');
+          createVarBlocksNoEvents(this.workspace, ['id1']);
+          this.clock.runAll();
+          this.workspace.deleteVariableById('id1');
+          this.clock.runAll();
+          const workspace = this.workspace;
+          assertWarnings(() => {
+            workspace.deleteVariableById('id1');
+          }, /Can't delete/);
+
+          // Check the undoStack only recorded one delete event.
+          const undoStack = this.workspace.undoStack_;
+          chai.assert.equal(undoStack[undoStack.length - 1].type, 'var_delete');
+          chai.assert.equal(undoStack[undoStack.length - 2].type, 'delete');
+          chai.assert.notEqual(
+            undoStack[undoStack.length - 3].type,
+            'var_delete',
+          );
+
+          // Undo delete
+          this.workspace.undo();
+          this.clock.runAll();
+          assertBlockVarModelName(this.workspace, 0, 'name1');
+          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+
+          // Redo delete
+          this.workspace.undo(true);
+          this.clock.runAll();
+          chai.assert.equal(this.workspace.getTopBlocks(false).length, 0);
+          chai.assert.isNull(this.workspace.getVariableById('id1'));
+
+          // Redo delete, nothing should happen
+          this.workspace.undo(true);
+          this.clock.runAll();
+          chai.assert.equal(this.workspace.getTopBlocks(false).length, 0);
+          chai.assert.isNull(this.workspace.getVariableById('id1'));
+        });
+      });
+
+      suite('renameVariableById', function () {
+        setup(function () {
+          this.workspace.createVariable('name1', 'type1', 'id1');
+        });
+
+        test('Reference exists no usages rename to name2', function () {
+          this.workspace.renameVariableById('id1', 'name2');
+          this.clock.runAll();
+
+          this.workspace.undo();
+          this.clock.runAll();
+          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+
+          this.workspace.undo(true);
+          this.clock.runAll();
+          assertVariableValues(this.workspace, 'name2', 'type1', 'id1');
+        });
+
+        test('Reference exists with usages rename to name2', function () {
+          createVarBlocksNoEvents(this.workspace, ['id1']);
+          this.workspace.renameVariableById('id1', 'name2');
+          this.clock.runAll();
+
+          this.workspace.undo();
+          this.clock.runAll();
+          assertBlockVarModelName(this.workspace, 0, 'name1');
+          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+
+          this.workspace.undo(true);
+          this.clock.runAll();
+          assertBlockVarModelName(this.workspace, 0, 'name2');
+          assertVariableValues(this.workspace, 'name2', 'type1', 'id1');
+        });
+
+        test('Reference exists different capitalization no usages rename to Name1', function () {
+          this.workspace.renameVariableById('id1', 'Name1');
+          this.clock.runAll();
+
+          this.workspace.undo();
+          this.clock.runAll();
+          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+
+          this.workspace.undo(true);
+          this.clock.runAll();
+          assertVariableValues(this.workspace, 'Name1', 'type1', 'id1');
+        });
+
+        test('Reference exists different capitalization with usages rename to Name1', function () {
+          createVarBlocksNoEvents(this.workspace, ['id1']);
+          this.workspace.renameVariableById('id1', 'Name1');
+          this.clock.runAll();
+
+          this.workspace.undo();
+          this.clock.runAll();
+          assertBlockVarModelName(this.workspace, 0, 'name1');
+          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+
+          this.workspace.undo(true);
+          this.clock.runAll();
+          assertBlockVarModelName(this.workspace, 0, 'Name1');
+          assertVariableValues(this.workspace, 'Name1', 'type1', 'id1');
+        });
+
+        suite('Two variables rename overlap', function () {
+          test('Same type no usages rename variable with id1 to name2', function () {
+            this.workspace.createVariable('name2', 'type1', 'id2');
+            this.workspace.renameVariableById('id1', 'name2');
+            this.clock.runAll();
+
+            this.workspace.undo();
+            this.clock.runAll();
+            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+            assertVariableValues(this.workspace, 'name2', 'type1', 'id2');
+
+            this.workspace.undo(true);
+            this.clock.runAll();
+            assertVariableValues(this.workspace, 'name2', 'type1', 'id2');
+            chai.assert.isNull(this.workspace.getVariableById('id1'));
+          });
+
+          test('Same type with usages rename variable with id1 to name2', function () {
+            this.workspace.createVariable('name2', 'type1', 'id2');
+            createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
+            this.workspace.renameVariableById('id1', 'name2');
+            this.clock.runAll();
+
+            this.workspace.undo();
+            this.clock.runAll();
+            assertBlockVarModelName(this.workspace, 0, 'name1');
+            assertBlockVarModelName(this.workspace, 1, 'name2');
+            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+            assertVariableValues(this.workspace, 'name2', 'type1', 'id2');
+
+            this.workspace.undo(true);
+            this.clock.runAll();
+            assertVariableValues(this.workspace, 'name2', 'type1', 'id2');
+            chai.assert.isNull(this.workspace.getVariableById('id1'));
+          });
+
+          test('Same type different capitalization no usages rename variable with id1 to Name2', function () {
+            this.workspace.createVariable('name2', 'type1', 'id2');
+            this.workspace.renameVariableById('id1', 'Name2');
+            this.clock.runAll();
+
+            this.workspace.undo();
+            this.clock.runAll();
+            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+            assertVariableValues(this.workspace, 'name2', 'type1', 'id2');
+
+            this.workspace.undo(true);
+            this.clock.runAll();
+            assertVariableValues(this.workspace, 'Name2', 'type1', 'id2');
+            chai.assert.isNull(this.workspace.getVariable('name1'));
+          });
+
+          test('Same type different capitalization with usages rename variable with id1 to Name2', function () {
+            this.workspace.createVariable('name2', 'type1', 'id2');
+            createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
+            this.workspace.renameVariableById('id1', 'Name2');
+            this.clock.runAll();
+
+            this.workspace.undo();
+            this.clock.runAll();
+            assertBlockVarModelName(this.workspace, 0, 'name1');
+            assertBlockVarModelName(this.workspace, 1, 'name2');
+            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+            assertVariableValues(this.workspace, 'name2', 'type1', 'id2');
+
+            this.workspace.undo(true);
+            this.clock.runAll();
+            assertVariableValues(this.workspace, 'Name2', 'type1', 'id2');
+            chai.assert.isNull(this.workspace.getVariableById('id1'));
+            assertBlockVarModelName(this.workspace, 0, 'Name2');
+            assertBlockVarModelName(this.workspace, 1, 'Name2');
+          });
+
+          test('Different type no usages rename variable with id1 to name2', function () {
+            this.workspace.createVariable('name2', 'type2', 'id2');
+            this.workspace.renameVariableById('id1', 'name2');
+            this.clock.runAll();
+
+            this.workspace.undo();
+            this.clock.runAll();
+            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+
+            this.workspace.undo(true);
+            this.clock.runAll();
+            assertVariableValues(this.workspace, 'name2', 'type1', 'id1');
+            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+          });
+
+          test('Different type with usages rename variable with id1 to name2', function () {
+            this.workspace.createVariable('name2', 'type2', 'id2');
+            createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
+            this.workspace.renameVariableById('id1', 'name2');
+            this.clock.runAll();
+
+            this.workspace.undo();
+            this.clock.runAll();
+            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+            assertBlockVarModelName(this.workspace, 0, 'name1');
+            assertBlockVarModelName(this.workspace, 1, 'name2');
+
+            this.workspace.undo(true);
+            this.clock.runAll();
+            assertVariableValues(this.workspace, 'name2', 'type1', 'id1');
+            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+            assertBlockVarModelName(this.workspace, 0, 'name2');
+            assertBlockVarModelName(this.workspace, 1, 'name2');
+          });
+
+          test('Different type different capitalization no usages rename variable with id1 to Name2', function () {
+            this.workspace.createVariable('name2', 'type2', 'id2');
+            this.workspace.renameVariableById('id1', 'Name2');
+            this.clock.runAll();
+
+            this.workspace.undo();
+            this.clock.runAll();
+            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+
+            this.workspace.undo(true);
+            this.clock.runAll();
+            assertVariableValues(this.workspace, 'Name2', 'type1', 'id1');
+            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+          });
+
+          test('Different type different capitalization with usages rename variable with id1 to Name2', function () {
+            this.workspace.createVariable('name2', 'type2', 'id2');
+            createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
+            this.workspace.renameVariableById('id1', 'Name2');
+            this.clock.runAll();
+
+            this.workspace.undo();
+            this.clock.runAll();
+            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
+            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+            assertBlockVarModelName(this.workspace, 0, 'name1');
+            assertBlockVarModelName(this.workspace, 1, 'name2');
+
+            this.workspace.undo(true);
+            this.clock.runAll();
+            assertVariableValues(this.workspace, 'Name2', 'type1', 'id1');
+            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
+            assertBlockVarModelName(this.workspace, 0, 'Name2');
+            assertBlockVarModelName(this.workspace, 1, 'name2');
+          });
+        });
+      });
+    });
+  });
+}
diff --git a/tests/mocha/theme_test.js b/tests/mocha/theme_test.js
index 1220bfcc5df..6fab65bcc31 100644
--- a/tests/mocha/theme_test.js
+++ b/tests/mocha/theme_test.js
@@ -4,102 +4,106 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Blockly Theme tests.
- * @author samelh@google.com (Sam El-Husseini)
- */
-'use strict';
-
-suite('Theme', function() {
-  setup(function() {
+import {assertEventFired} from './test_helpers/events.js';
+import * as eventUtils from '../../build/src/core/events/utils.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Theme', function () {
+  setup(function () {
     sharedTestSetup.call(this);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
     // Clear all registered themes.
-    Blockly.registry.typeMap_['theme'] = {};
+    Blockly.registry.TEST_ONLY.typeMap['theme'] = {};
   });
 
-  function defineThemeTestBlocks(sharedCleanupObj) {
-    Blockly.defineBlocksWithJsonArray([{
-      "type": "stack_block",
-      "message0": "",
-      "previousStatement": null,
-      "nextStatement": null
-    },
-    {
-      "type": "row_block",
-      "message0": "%1",
-      "args0": [
-        {
-          "type": "input_value",
-          "name": "INPUT"
-        }
-      ],
-      "output": null
-    }]);
+  function defineThemeTestBlocks() {
+    Blockly.defineBlocksWithJsonArray([
+      {
+        'type': 'stack_block',
+        'message0': '',
+        'previousStatement': null,
+        'nextStatement': null,
+      },
+      {
+        'type': 'row_block',
+        'message0': '%1',
+        'args0': [
+          {
+            'type': 'input_value',
+            'name': 'INPUT',
+          },
+        ],
+        'output': null,
+      },
+    ]);
   }
 
   function createBlockStyles() {
     return {
-      "styleOne": {
-        "colourPrimary": "#aaaaaa",
-        "colourSecondary": "#bbbbbb",
-        "colourTertiary": "#cccccc",
-        "hat": 'cap'
-      }
+      'styleOne': {
+        'colourPrimary': '#aaaaaa',
+        'colourSecondary': '#bbbbbb',
+        'colourTertiary': '#cccccc',
+        'hat': 'cap',
+      },
     };
   }
 
   function createMultipleBlockStyles() {
     return {
-      "styleOne": {
-        "colourPrimary": "#aaaaaa",
-        "colourSecondary": "#bbbbbb",
-        "colourTertiary": "#cccccc",
-        "hat": 'cap'
+      'styleOne': {
+        'colourPrimary': '#aaaaaa',
+        'colourSecondary': '#bbbbbb',
+        'colourTertiary': '#cccccc',
+        'hat': 'cap',
+      },
+      'styleTwo': {
+        'colourPrimary': '#000000',
+        'colourSecondary': '#999999',
+        'colourTertiary': '#4d4d4d',
+        'hat': '',
       },
-      "styleTwo": {
-        "colourPrimary": "#000000",
-        "colourSecondary": "#999999",
-        "colourTertiary": "#4d4d4d",
-        "hat": ''
-      }
     };
   }
 
   function stringifyAndCompare(val1, val2) {
-    var stringVal1 = JSON.stringify(val1);
-    var stringVal2 = JSON.stringify(val2);
+    const stringVal1 = JSON.stringify(val1);
+    const stringVal2 = JSON.stringify(val2);
     chai.assert.equal(stringVal1, stringVal2);
   }
 
-  test('Set All BlockStyles', function() {
-    var theme = new Blockly.Theme('test', createBlockStyles());
+  test('Set All BlockStyles', function () {
+    const theme = new Blockly.Theme('test', createBlockStyles());
     stringifyAndCompare(createBlockStyles(), theme.blockStyles);
-    var blockStyles = createMultipleBlockStyles();
-    for (var key in blockStyles) {
+    const blockStyles = createMultipleBlockStyles();
+    for (const key in blockStyles) {
       theme.blockStyles[key] = blockStyles[key];
     }
     stringifyAndCompare(createMultipleBlockStyles(), theme.blockStyles);
   });
 
-  test('Get All BlockStyles', function() {
-    var theme = new Blockly.Theme('test', createMultipleBlockStyles());
-    var allBlocks = theme.blockStyles;
+  test('Get All BlockStyles', function () {
+    const theme = new Blockly.Theme('test', createMultipleBlockStyles());
+    const allBlocks = theme.blockStyles;
     stringifyAndCompare(createMultipleBlockStyles(), allBlocks);
   });
 
-  test('Get BlockStyles', function() {
-    var theme = new Blockly.Theme('test', createBlockStyles());
-    var blockStyle = theme.blockStyles['styleOne'];
+  test('Get BlockStyles', function () {
+    const theme = new Blockly.Theme('test', createBlockStyles());
+    const blockStyle = theme.blockStyles['styleOne'];
 
     stringifyAndCompare(blockStyle, createBlockStyles().styleOne);
   });
 
-  test('Set BlockStyle Update', function() {
-    var theme = new Blockly.Theme('test', createBlockStyles());
-    var blockStyle = createBlockStyles();
+  test('Set BlockStyle Update', function () {
+    const theme = new Blockly.Theme('test', createBlockStyles());
+    const blockStyle = createBlockStyles();
     blockStyle.styleOne.colourPrimary = '#00ff00';
 
     theme.blockStyles['styleOne'] = blockStyle.styleOne;
@@ -107,35 +111,37 @@ suite('Theme', function() {
     stringifyAndCompare(theme.blockStyles, blockStyle);
   });
 
-  test('Set BlockStyle Add', function() {
-    var theme = new Blockly.Theme('test', createBlockStyles());
-    var blockStyle = createMultipleBlockStyles();
+  test('Set BlockStyle Add', function () {
+    const theme = new Blockly.Theme('test', createBlockStyles());
+    const blockStyle = createMultipleBlockStyles();
 
     theme.blockStyles['styleTwo'] = blockStyle.styleTwo;
 
     stringifyAndCompare(theme.blockStyles, blockStyle);
   });
 
-  test('Set Theme', function() {
-    defineThemeTestBlocks(this.sharedCleanup);
+  test('Set Theme', function () {
+    defineThemeTestBlocks();
+    let workspace;
     try {
-      var blockStyles = createBlockStyles();
-      var workspace = new Blockly.WorkspaceSvg(new Blockly.Options({}));
-      var blockA = workspace.newBlock('stack_block');
+      const blockStyles = createBlockStyles();
+      const theme = new Blockly.Theme('themeName', blockStyles);
+      workspace = Blockly.inject('blocklyDiv', {});
+      const blockA = workspace.newBlock('stack_block');
 
-      blockA.setStyle = function() {this.styleName_ = 'styleTwo';};
-      var refreshToolboxSelectionStub =
-          sinon.stub(workspace, 'refreshToolboxSelection');
+      blockA.setStyle = function () {
+        this.styleName_ = 'styleTwo';
+      };
+      const refreshToolboxSelectionStub = sinon.stub(
+        workspace,
+        'refreshToolboxSelection',
+      );
       blockA.styleName_ = 'styleOne';
 
-      // Stubs are cleaned up in sharedTestTeardown
-      sinon.stub(Blockly, "getMainWorkspace").returns(workspace);
-      sinon.stub(Blockly, "hideChaff");
-
-      workspace.setTheme(blockStyles);
+      workspace.setTheme(theme);
 
       // Checks that the theme was set correctly on Blockly namespace
-      stringifyAndCompare(workspace.getTheme(), blockStyles);
+      stringifyAndCompare(workspace.getTheme(), theme);
 
       // Checks that the setTheme function was called on the block
       chai.assert.equal(blockA.getStyleName(), 'styleTwo');
@@ -144,131 +150,157 @@ suite('Theme', function() {
       sinon.assert.calledOnce(refreshToolboxSelectionStub);
 
       assertEventFired(
-          this.eventsFireStub, Blockly.Events.Ui, {element: 'theme'},
-          workspace.id, null);
+        this.eventsFireStub,
+        Blockly.Events.ThemeChange,
+        {themeName: 'themeName', type: eventUtils.THEME_CHANGE},
+        workspace.id,
+      );
     } finally {
       workspaceTeardown.call(this, workspace);
     }
   });
 
-  suite('Validate block styles', function() {
-    setup(function() {
+  suite('Validate block styles', function () {
+    setup(function () {
       this.constants = new Blockly.blockRendering.ConstantProvider();
     });
 
-    test('Null', function() {
-      var inputStyle = null;
-      var expectedOutput = {
-        "colourPrimary": "#000000",
-        "colourSecondary": "#999999",
-        "colourTertiary": "#4d4d4d",
-        "hat": ''
+    test('Null', function () {
+      const inputStyle = null;
+      const expectedOutput = {
+        'colourPrimary': '#000000',
+        'colourSecondary': '#999999',
+        'colourTertiary': '#4d4d4d',
+        'hat': '',
       };
       stringifyAndCompare(
-          this.constants.validatedBlockStyle_(inputStyle), expectedOutput);
+        this.constants.validatedBlockStyle_(inputStyle),
+        expectedOutput,
+      );
     });
 
-    test('Empty', function() {
-      var inputStyle = {};
-      var expectedOutput = {
-        "colourPrimary": "#000000",
-        "colourSecondary": "#999999",
-        "colourTertiary": "#4d4d4d",
-        "hat": ''
+    test('Empty', function () {
+      const inputStyle = {};
+      const expectedOutput = {
+        'colourPrimary': '#000000',
+        'colourSecondary': '#999999',
+        'colourTertiary': '#4d4d4d',
+        'hat': '',
       };
       stringifyAndCompare(
-          this.constants.validatedBlockStyle_(inputStyle), expectedOutput);
+        this.constants.validatedBlockStyle_(inputStyle),
+        expectedOutput,
+      );
     });
 
-    test('Incomplete hex', function() {
-      var inputStyle = {
-        "colourPrimary": "#012345"
+    test('Incomplete hex', function () {
+      const inputStyle = {
+        'colourPrimary': '#012345',
       };
-      var expectedOutput = {
-        "colourPrimary": "#012345",
-        "colourSecondary": "#99a7b5",
-        "colourTertiary": "#4d657d",
-        "hat": ''
+      const expectedOutput = {
+        'colourPrimary': '#012345',
+        'colourSecondary': '#99a7b5',
+        'colourTertiary': '#4d657d',
+        'hat': '',
       };
       stringifyAndCompare(
-          this.constants.validatedBlockStyle_(inputStyle), expectedOutput);
+        this.constants.validatedBlockStyle_(inputStyle),
+        expectedOutput,
+      );
     });
 
-    test('Complete hex', function() {
-      var inputStyle = {
-        "colourPrimary": "#aaaaaa",
-        "colourSecondary": "#bbbbbb",
-        "colourTertiary": "#cccccc",
-        "hat": 'cap'
+    test('Complete hex', function () {
+      const inputStyle = {
+        'colourPrimary': '#aaaaaa',
+        'colourSecondary': '#bbbbbb',
+        'colourTertiary': '#cccccc',
+        'hat': 'cap',
       };
-      var expectedOutput = {
-        "colourPrimary": "#aaaaaa",
-        "colourSecondary": "#bbbbbb",
-        "colourTertiary": "#cccccc",
-        "hat": 'cap'
+      const expectedOutput = {
+        'colourPrimary': '#aaaaaa',
+        'colourSecondary': '#bbbbbb',
+        'colourTertiary': '#cccccc',
+        'hat': 'cap',
       };
       stringifyAndCompare(
-          this.constants.validatedBlockStyle_(inputStyle), expectedOutput);
+        this.constants.validatedBlockStyle_(inputStyle),
+        expectedOutput,
+      );
     });
 
-    test('Complete hue', function() {
-      var inputStyle = {
-        "colourPrimary": "20",
-        "colourSecondary": "40",
-        "colourTertiary": "60",
+    test('Complete hue', function () {
+      const inputStyle = {
+        'colourPrimary': '20',
+        'colourSecondary': '40',
+        'colourTertiary': '60',
       };
-      var expectedOutput = {
-        "colourPrimary": "#a5745b",
-        "colourSecondary": "#a58c5b",
-        "colourTertiary": "#a5a55b",
-        "hat": ''
+      const expectedOutput = {
+        'colourPrimary': '#a5745b',
+        'colourSecondary': '#a58c5b',
+        'colourTertiary': '#a5a55b',
+        'hat': '',
       };
       stringifyAndCompare(
-          this.constants.validatedBlockStyle_(inputStyle), expectedOutput);
+        this.constants.validatedBlockStyle_(inputStyle),
+        expectedOutput,
+      );
     });
 
-    test('Incomplete hue', function() {
-      var inputStyle = {
-        "colourPrimary": "20",
+    test('Incomplete hue', function () {
+      const inputStyle = {
+        'colourPrimary': '20',
       };
-      var expectedOutput = {
-        "colourPrimary": "#a5745b",
-        "colourSecondary": "#dbc7bd",
-        "colourTertiary": "#c09e8c",
-        "hat": ''
+      const expectedOutput = {
+        'colourPrimary': '#a5745b',
+        'colourSecondary': '#dbc7bd',
+        'colourTertiary': '#c09e8c',
+        'hat': '',
       };
       stringifyAndCompare(
-          this.constants.validatedBlockStyle_(inputStyle), expectedOutput);
+        this.constants.validatedBlockStyle_(inputStyle),
+        expectedOutput,
+      );
     });
 
-    test('Complete css colour name', function() {
-      var inputStyle = {
-        "colourPrimary": "red",
-        "colourSecondary": "white",
-        "colourTertiary": "blue"
+    test('Complete css colour name', function () {
+      const inputStyle = {
+        'colourPrimary': 'red',
+        'colourSecondary': 'white',
+        'colourTertiary': 'blue',
       };
-      var expectedOutput = {
-        "colourPrimary": "#ff0000",
-        "colourSecondary": "#ffffff",
-        "colourTertiary": "#0000ff",
-        "hat": ''
+      const expectedOutput = {
+        'colourPrimary': '#ff0000',
+        'colourSecondary': '#ffffff',
+        'colourTertiary': '#0000ff',
+        'hat': '',
       };
       stringifyAndCompare(
-          this.constants.validatedBlockStyle_(inputStyle), expectedOutput);
+        this.constants.validatedBlockStyle_(inputStyle),
+        expectedOutput,
+      );
     });
 
-    test('Incomplete css colour name', function() {
-      var inputStyle = {
-        "colourPrimary": "black",
+    test('Incomplete css colour name', function () {
+      const inputStyle = {
+        'colourPrimary': 'black',
       };
-      var expectedOutput = {
-        "colourPrimary": "#000000",
-        "colourSecondary": "#999999",
-        "colourTertiary": "#4d4d4d",
-        "hat": ''
+      const expectedOutput = {
+        'colourPrimary': '#000000',
+        'colourSecondary': '#999999',
+        'colourTertiary': '#4d4d4d',
+        'hat': '',
       };
       stringifyAndCompare(
-          this.constants.validatedBlockStyle_(inputStyle), expectedOutput);
+        this.constants.validatedBlockStyle_(inputStyle),
+        expectedOutput,
+      );
+    });
+  });
+
+  suite('defineTheme', function () {
+    test('Normalizes to lowercase', function () {
+      const theme = Blockly.Theme.defineTheme('TEST', {});
+      chai.assert.equal(theme.name, 'test');
     });
   });
 });
diff --git a/tests/mocha/toolbox_helper.js b/tests/mocha/toolbox_helper.js
deleted file mode 100644
index 9d1f54e3354..00000000000
--- a/tests/mocha/toolbox_helper.js
+++ /dev/null
@@ -1,185 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * Get JSON for a toolbox that contains categories.
- * @return {Blockly.utils.toolbox.ToolboxJson} The array holding information
- *    for a toolbox.
- */
-function getCategoryJSON() {
-  return {"contents": [
-    {
-      "kind": "CATEGORY",
-      "cssconfig": {
-        "container": "something"
-      },
-      "contents": [
-        {
-          "kind": "BLOCK",
-          "blockxml": '<block type="basic_block"><field name="TEXT">FirstCategory-FirstBlock</field></block>'
-        },
-        {
-          "kind": "BLOCK",
-          "blockxml": '<block type="basic_block"><field name="TEXT">FirstCategory-SecondBlock</field></block>'
-        }
-      ],
-      "name": "First"
-    },
-    {
-      "kind": "CATEGORY",
-      "contents": [
-        {
-          "kind": "BLOCK",
-          "blockxml": '<block type="basic_block"><field name="TEXT">SecondCategory-FirstBlock</field></block>'
-        }
-      ],
-      "name": "Second"
-    }]};
-}
-
-/**
- * Get JSON for a simple toolbox.
- * @return {Blockly.utils.toolbox.ToolboxJson} The array holding information
- *    for a simple toolbox.
- */
-function getSimpleJSON() {
-  return {"contents":[
-    {
-      "kind":"BLOCK",
-      "blockxml": "<block type=\"logic_operation\"></block>",
-      "type":"logic_operation"
-    },
-    {
-      "kind":"SEP",
-      "gap":"20"
-    },
-    {
-      "kind":"BUTTON",
-      "text": "insert",
-      "callbackkey": "insertConnectionRows"
-    },
-    {
-      "kind":"LABEL",
-      "text":"tooltips"
-    }
-  ]};
-}
-
-/**
- * Get JSON for a toolbox that contains categories that contain categories.
- * @return {Blockly.utils.toolbox.ToolboxJson} The array holding information
- *    for a toolbox.
- */
-function getDeeplyNestedJSON() {
-  return {"contents": [
-    {
-      "kind": "CATEGORY",
-      "cssconfig": {
-        "container": "something"
-      },
-      "contents": [{
-        "kind": "CATEGORY",
-        "contents": [{
-          "kind": "CATEGORY",
-          "contents": [
-            {
-              "kind": "BLOCK",
-              "blockxml": '<block type="basic_block"><field name="TEXT">NestedCategory-FirstBlock</field></block>'
-            },
-            {
-              "kind": "BLOCK",
-              "blockxml": '<block type="basic_block"><field name="TEXT">NestedCategory-SecondBlock</field></block>'
-            }
-          ],
-          "name": "NestedCategoryInner"
-        }],
-        "name": "NestedCategoryMiddle",
-      }],
-      "name": "NestedCategoryOuter"
-    },
-    {
-      "kind": "CATEGORY",
-      "contents": [
-        {
-          "kind": "BLOCK",
-          "blockxml": '<block type="basic_block"><field name="TEXT">SecondCategory-FirstBlock</field></block>'
-        }
-      ],
-      "name": "Second"
-    }]};
-}
-
-/**
- * Get an array filled with xml elements.
- * @return {Array<Node>} Array holding xml elements for a toolbox.
- */
-function getXmlArray() {
-  // Need to use HTMLElement instead of Element so parser output is
-  // consistent with other tests
-  var block = document.createElement('block');
-  block.setAttribute('type', 'logic_operation');
-  var separator = Blockly.Xml.textToDom('<sep gap="20"></sep>');
-  var button = Blockly.Xml.textToDom('<button text="insert" callbackkey="insertConnectionRows"></button>');
-  var label = Blockly.Xml.textToDom('<label text="tooltips"></label>');
-  return [block, separator, button, label];
-}
-
-function getInjectedToolbox() {
-  /**
-   * Category: First
-   *   sep
-   *   basic_block
-   *   basic_block
-   * Category: second
-   *   basic_block
-   * Category: Variables
-   *   custom: VARIABLE
-   * Category: NestedCategory
-   *   Category: NestedItemOne
-   */
-  var toolboxXml = document.getElementById('toolbox-test');
-  var workspace = Blockly.inject('blocklyDiv',
-      {
-        toolbox: toolboxXml
-      });
-  return workspace.getToolbox();
-}
-
-function getBasicToolbox() {
-  var workspace = new Blockly.WorkspaceSvg(new Blockly.Options({}));
-  var toolbox = new Blockly.Toolbox(workspace);
-  toolbox.HtmlDiv = document.createElement('div');
-  toolbox.flyout_ = sinon.createStubInstance(Blockly.VerticalFlyout);
-  return toolbox;
-}
-
-function getCollapsibleItem(toolbox) {
-  var contents = toolbox.contents_;
-  for (var i = 0; i < contents.length; i++) {
-    var item = contents[i];
-    if (item.isCollapsible()) {
-      return item;
-    }
-  }
-}
-
-function getNonCollapsibleItem(toolbox) {
-  var contents = toolbox.contents_;
-  for (var i = 0; i < contents.length; i++) {
-    var item = contents[i];
-    if (!item.isCollapsible()) {
-      return item;
-    }
-  }
-}
-
-function getChildItem(toolbox) {
-  return toolbox.getToolboxItemById('nestedCategory');
-}
-
-function getSeparator(toolbox) {
-  return toolbox.getToolboxItemById('separator');
-}
diff --git a/tests/mocha/toolbox_test.js b/tests/mocha/toolbox_test.js
index ead0ffcbdaa..01670a298b1 100644
--- a/tests/mocha/toolbox_test.js
+++ b/tests/mocha/toolbox_test.js
@@ -4,471 +4,577 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Toolbox', function() {
-
-  setup(function() {
+import {defineStackBlock} from './test_helpers/block_definitions.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {
+  getBasicToolbox,
+  getCategoryJSON,
+  getChildItem,
+  getCollapsibleItem,
+  getDeeplyNestedJSON,
+  getInjectedToolbox,
+  getNonCollapsibleItem,
+  getSeparator,
+  getSimpleJson,
+  getXmlArray,
+} from './test_helpers/toolbox_definitions.js';
+
+suite('Toolbox', function () {
+  setup(function () {
     sharedTestSetup.call(this);
     defineStackBlock();
   });
 
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  suite('init', function() {
-    setup(function() {
+  suite('init', function () {
+    setup(function () {
       this.toolbox = getInjectedToolbox();
     });
-    teardown(function() {
+    teardown(function () {
       this.toolbox.dispose();
     });
 
-    test('Init called -> HtmlDiv is created', function() {
+    test('Init called -> HtmlDiv is created', function () {
       chai.assert.isDefined(this.toolbox.HtmlDiv);
     });
-    test('Init called -> HtmlDiv is inserted before parent node', function() {
-      var toolboxDiv = Blockly.getMainWorkspace().getInjectionDiv().childNodes[0];
-      chai.assert.equal(toolboxDiv.className,
-          'blocklyToolboxDiv blocklyNonSelectable');
-    });
-    test('Init called -> Toolbox is subscribed to background and foreground colour', function() {
-      var themeManager = this.toolbox.workspace_.getThemeManager();
-      var themeManagerSpy = sinon.spy(themeManager, 'subscribe');
+    test('Init called -> HtmlDiv is inserted before parent node', function () {
+      const toolboxDiv = Blockly.common.getMainWorkspace().getInjectionDiv()
+        .childNodes[0];
+      chai.assert.equal(
+        toolboxDiv.className,
+        'blocklyToolboxDiv blocklyNonSelectable',
+      );
+    });
+    test('Init called -> Toolbox is subscribed to background and foreground colour', function () {
+      const themeManager = this.toolbox.workspace_.getThemeManager();
+      const themeManagerSpy = sinon.spy(themeManager, 'subscribe');
+      const componentManager = this.toolbox.workspace_.getComponentManager();
+      sinon.stub(componentManager, 'addComponent');
       this.toolbox.init();
-      sinon.assert.calledWith(themeManagerSpy, this.toolbox.HtmlDiv,
-          'toolboxBackgroundColour', 'background-color');
-      sinon.assert.calledWith(themeManagerSpy, this.toolbox.HtmlDiv,
-          'toolboxForegroundColour', 'color');
-    });
-    test('Init called -> Render is called', function() {
-      var renderSpy = sinon.spy(this.toolbox, 'render');
+      sinon.assert.calledWith(
+        themeManagerSpy,
+        this.toolbox.HtmlDiv,
+        'toolboxBackgroundColour',
+        'background-color',
+      );
+      sinon.assert.calledWith(
+        themeManagerSpy,
+        this.toolbox.HtmlDiv,
+        'toolboxForegroundColour',
+        'color',
+      );
+    });
+    test('Init called -> Render is called', function () {
+      const renderSpy = sinon.spy(this.toolbox, 'render');
+      const componentManager = this.toolbox.workspace_.getComponentManager();
+      sinon.stub(componentManager, 'addComponent');
       this.toolbox.init();
       sinon.assert.calledOnce(renderSpy);
     });
-    test('Init called -> Flyout is initialized', function() {
+    test('Init called -> Flyout is initialized', function () {
+      const componentManager = this.toolbox.workspace_.getComponentManager();
+      sinon.stub(componentManager, 'addComponent');
       this.toolbox.init();
       chai.assert.isDefined(this.toolbox.flyout_);
     });
   });
 
-  suite('render', function() {
-    setup(function() {
+  suite('render', function () {
+    setup(function () {
       this.toolbox = getInjectedToolbox();
     });
-    teardown(function() {
+    teardown(function () {
       this.toolbox.dispose();
     });
-    test('Render called with valid toolboxDef -> Contents are created', function() {
-      var positionStub = sinon.stub(this.toolbox, 'position');
-      this.toolbox.render({'contents': [
-        {'kind': 'category', 'contents': []},
-        {'kind': 'category', 'contents': []}
-      ]});
+    test('Render called with valid toolboxDef -> Contents are created', function () {
+      const positionStub = sinon.stub(this.toolbox, 'position');
+      this.toolbox.render({
+        'contents': [
+          {'kind': 'category', 'contents': []},
+          {'kind': 'category', 'contents': []},
+        ],
+      });
       chai.assert.lengthOf(this.toolbox.contents_, 2);
       sinon.assert.called(positionStub);
     });
     // TODO: Uncomment once implemented.
-    test.skip('Toolbox definition with both blocks and categories -> Should throw an error', function() {
-      var toolbox = this.toolbox;
-      var badToolboxDef = [
+    test.skip('Toolbox definition with both blocks and categories -> Should throw an error', function () {
+      const toolbox = this.toolbox;
+      const badToolboxDef = [
         {
-          "kind": "block"
+          'kind': 'block',
         },
         {
-          "kind": "category",
-        }
+          'kind': 'category',
+        },
       ];
-      chai.assert.throws(function() {
-        toolbox.render({'contents' : badToolboxDef});
+      chai.assert.throws(function () {
+        toolbox.render({'contents': badToolboxDef});
       }, 'Toolbox cannot have both blocks and categories in the root level.');
     });
     // TODO: Uncomment once implemented.
-    test.skip('Expanded set to true for a non collapsible toolbox item -> Should open flyout', function() {
+    test.skip('Expanded set to true for a non collapsible toolbox item -> Should open flyout', function () {
       this.toolbox.render(this.toolboxXml);
-      var selectedNode = this.toolbox.tree_.children_[0];
+      const selectedNode = this.toolbox.tree_.children_[0];
       chai.assert.isTrue(selectedNode.selected_);
     });
-    test('JSON toolbox definition -> Should create toolbox with contents', function() {
-      var jsonDef = {'contents' : [
-        {
-          "kind": "category",
-          "contents": [
-            {
-              "kind": "block",
-              "blockxml": '<block xmlns="http://www.w3.org/1999/xhtml" type="basic_block"><field name="TEXT">FirstCategory-FirstBlock</field></block>'
-            },
-            {
-              "kind": "label",
-              "text": "Input/Output:",
-              "web-class": "ioLabel"
-            },
-            {
-              "kind": "button",
-              "text": "insert",
-              "callbackkey": "insertConnectionStacks",
-              "web-class": "ioLabel"
-            },
-            {
-              "kind": "sep",
-              "gap": "7"
-            }
-          ]
-        }
-      ]};
+    test('JSON toolbox definition -> Should create toolbox with contents', function () {
+      const jsonDef = {
+        'contents': [
+          {
+            'kind': 'category',
+            'contents': [
+              {
+                'kind': 'block',
+                'blockxml':
+                  '<block xmlns="http://www.w3.org/1999/xhtml" type="basic_block"><field name="TEXT">FirstCategory-FirstBlock</field></block>',
+              },
+              {
+                'kind': 'label',
+                'text': 'Input/Output:',
+                'web-class': 'ioLabel',
+              },
+              {
+                'kind': 'button',
+                'text': 'insert',
+                'callbackkey': 'insertConnectionStacks',
+                'web-class': 'ioLabel',
+              },
+              {
+                'kind': 'sep',
+                'gap': '7',
+              },
+            ],
+          },
+        ],
+      };
       this.toolbox.render(jsonDef);
       chai.assert.lengthOf(this.toolbox.contents_, 1);
     });
+    test('multiple icon classes can be applied', function () {
+      const jsonDef = {
+        'contents': [
+          {
+            'kind': 'category',
+            'cssConfig': {
+              'icon': 'customIcon customIconEvents',
+            },
+            'contents': [
+              {
+                'kind': 'block',
+                'blockxml':
+                  '<block xmlns="http://www.w3.org/1999/xhtml" type="basic_block"><field name="TEXT">FirstCategory-FirstBlock</field></block>',
+              },
+            ],
+          },
+        ],
+      };
+      chai.assert.doesNotThrow(() => {
+        this.toolbox.render(jsonDef);
+      });
+      chai.assert.lengthOf(this.toolbox.contents_, 1);
+    });
   });
 
-  suite('onClick_', function() {
-    setup(function() {
+  suite('onClick_', function () {
+    setup(function () {
       this.toolbox = getInjectedToolbox();
     });
-    teardown(function() {
+    teardown(function () {
       this.toolbox.dispose();
     });
 
-    test('Toolbox clicked -> Should close flyout', function() {
-      var hideChaffStub = sinon.stub(Blockly, "hideChaff");
-      var evt = new MouseEvent('pointerdown', {});
+    test('Toolbox clicked -> Should close flyout', function () {
+      const hideChaffStub = sinon.stub(
+        Blockly.WorkspaceSvg.prototype,
+        'hideChaff',
+      );
+      const evt = new PointerEvent('pointerdown', {});
       this.toolbox.HtmlDiv.dispatchEvent(evt);
       sinon.assert.calledOnce(hideChaffStub);
     });
-    test('Category clicked -> Should select category', function() {
-      var categoryXml = document.getElementsByClassName('blocklyTreeRow')[0];
-      var evt = {
-        'srcElement': categoryXml
+    test('Category clicked -> Should select category', function () {
+      const categoryXml = document.getElementsByClassName('blocklyTreeRow')[0];
+      const evt = {
+        'target': categoryXml,
       };
-      var item = this.toolbox.contentMap_[categoryXml.getAttribute('id')];
-      var setSelectedSpy = sinon.spy(this.toolbox, 'setSelectedItem');
-      var onClickSpy = sinon.spy(item, 'onClick');
+      const item = this.toolbox.contentMap_[categoryXml.getAttribute('id')];
+      const setSelectedSpy = sinon.spy(this.toolbox, 'setSelectedItem');
+      const onClickSpy = sinon.spy(item, 'onClick');
       this.toolbox.onClick_(evt);
       sinon.assert.calledOnce(setSelectedSpy);
       sinon.assert.calledOnce(onClickSpy);
     });
   });
 
-  suite('onKeyDown_', function() {
-    setup(function() {
+  suite('onKeyDown_', function () {
+    setup(function () {
       this.toolbox = getInjectedToolbox();
     });
-    teardown(function() {
+    teardown(function () {
       this.toolbox.dispose();
     });
 
-    function createKeyDownMock(keyCode) {
+    function createKeyDownMock(key) {
       return {
-        'keyCode': keyCode,
-        'preventDefault': function() {}
+        'key': key,
+        'preventDefault': function () {},
       };
     }
 
-    function testCorrectFunctionCalled(toolbox, keyCode, funcName) {
-      var event = createKeyDownMock(keyCode);
-      var preventDefaultEvent = sinon.stub(event, 'preventDefault');
-      var selectMethodStub = sinon.stub(toolbox, funcName);
+    function testCorrectFunctionCalled(toolbox, key, funcName) {
+      const event = createKeyDownMock(key);
+      const preventDefaultEvent = sinon.stub(event, 'preventDefault');
+      const selectMethodStub = sinon.stub(toolbox, funcName);
       selectMethodStub.returns(true);
       toolbox.onKeyDown_(event);
       sinon.assert.called(selectMethodStub);
       sinon.assert.called(preventDefaultEvent);
     }
 
-    test('Down button is pushed -> Should call selectNext_', function() {
-      testCorrectFunctionCalled(this.toolbox, Blockly.utils.KeyCodes.DOWN, 'selectNext_', true);
-    });
-    test('Up button is pushed -> Should call selectPrevious_', function() {
-      testCorrectFunctionCalled(this.toolbox, Blockly.utils.KeyCodes.UP, 'selectPrevious_', true);
-    });
-    test('Left button is pushed -> Should call selectParent_', function() {
-      testCorrectFunctionCalled(this.toolbox, Blockly.utils.KeyCodes.LEFT, 'selectParent_', true);
-    });
-    test('Right button is pushed -> Should call selectChild_', function() {
-      testCorrectFunctionCalled(this.toolbox, Blockly.utils.KeyCodes.RIGHT, 'selectChild_', true);
-    });
-    test('Enter button is pushed -> Should toggle expandedd', function() {
+    test('Down button is pushed -> Should call selectNext_', function () {
+      testCorrectFunctionCalled(this.toolbox, 'ArrowDown', 'selectNext_', true);
+    });
+    test('Up button is pushed -> Should call selectPrevious_', function () {
+      testCorrectFunctionCalled(
+        this.toolbox,
+        'ArrowUp',
+        'selectPrevious_',
+        true,
+      );
+    });
+    test('Left button is pushed -> Should call selectParent_', function () {
+      testCorrectFunctionCalled(
+        this.toolbox,
+        'ArrowLeft',
+        'selectParent_',
+        true,
+      );
+    });
+    test('Right button is pushed -> Should call selectChild_', function () {
+      testCorrectFunctionCalled(
+        this.toolbox,
+        'ArrowRight',
+        'selectChild_',
+        true,
+      );
+    });
+    test('Enter button is pushed -> Should toggle expanded', function () {
       this.toolbox.selectedItem_ = getCollapsibleItem(this.toolbox);
-      var toggleExpandedStub = sinon.stub(this.toolbox.selectedItem_, 'toggleExpanded');
-      var event = createKeyDownMock(Blockly.utils.KeyCodes.ENTER);
-      var preventDefaultEvent = sinon.stub(event, 'preventDefault');
+      const toggleExpandedStub = sinon.stub(
+        this.toolbox.selectedItem_,
+        'toggleExpanded',
+      );
+      const event = createKeyDownMock('Enter');
+      const preventDefaultEvent = sinon.stub(event, 'preventDefault');
       this.toolbox.onKeyDown_(event);
       sinon.assert.called(toggleExpandedStub);
       sinon.assert.called(preventDefaultEvent);
     });
-    test('Enter button is pushed when no item is selected -> Should not call prevent default', function() {
+    test('Enter button is pushed when no item is selected -> Should not call prevent default', function () {
       this.toolbox.selectedItem_ = null;
-      var event = createKeyDownMock(Blockly.utils.KeyCodes.ENTER);
-      var preventDefaultEvent = sinon.stub(event, 'preventDefault');
+      const event = createKeyDownMock('Enter');
+      const preventDefaultEvent = sinon.stub(event, 'preventDefault');
       this.toolbox.onKeyDown_(event);
       sinon.assert.notCalled(preventDefaultEvent);
     });
   });
 
-  suite('Select Methods', function() {
-    setup(function() {
+  suite('Select Methods', function () {
+    setup(function () {
       this.toolbox = getInjectedToolbox();
     });
-    teardown(function() {
+    teardown(function () {
       this.toolbox.dispose();
     });
 
-    suite('selectChild_', function() {
-      test('No item is selected -> Should not handle event', function() {
+    suite('selectChild_', function () {
+      test('No item is selected -> Should not handle event', function () {
         this.toolbox.selectedItem_ = null;
-        var handled = this.toolbox.selectChild_();
+        const handled = this.toolbox.selectChild_();
         chai.assert.isFalse(handled);
       });
-      test('Selected item is not collapsible -> Should not handle event', function() {
+      test('Selected item is not collapsible -> Should not handle event', function () {
         this.toolbox.selectedItem_ = getNonCollapsibleItem(this.toolbox);
-        var handled = this.toolbox.selectChild_();
+        const handled = this.toolbox.selectChild_();
         chai.assert.isFalse(handled);
       });
-      test('Selected item is collapsible -> Should expand', function() {
-        var collapsibleItem = getCollapsibleItem(this.toolbox);
+      test('Selected item is collapsible -> Should expand', function () {
+        const collapsibleItem = getCollapsibleItem(this.toolbox);
         this.toolbox.selectedItem_ = collapsibleItem;
-        var handled = this.toolbox.selectChild_();
+        const handled = this.toolbox.selectChild_();
         chai.assert.isTrue(handled);
         chai.assert.isTrue(collapsibleItem.isExpanded());
         chai.assert.equal(this.toolbox.selectedItem_, collapsibleItem);
       });
 
-      test('Selected item is expanded -> Should select child', function() {
-        var collapsibleItem = getCollapsibleItem(this.toolbox);
+      test('Selected item is expanded -> Should select child', function () {
+        const collapsibleItem = getCollapsibleItem(this.toolbox);
         collapsibleItem.expanded_ = true;
-        var selectNextStub = sinon.stub(this.toolbox, 'selectNext_');
+        const selectNextStub = sinon.stub(this.toolbox, 'selectNext_');
         this.toolbox.selectedItem_ = collapsibleItem;
-        var handled = this.toolbox.selectChild_();
+        const handled = this.toolbox.selectChild_();
         chai.assert.isTrue(handled);
         sinon.assert.called(selectNextStub);
       });
     });
 
-    suite('selectParent_', function() {
-      test('No item selected -> Should not handle event', function() {
+    suite('selectParent_', function () {
+      test('No item selected -> Should not handle event', function () {
         this.toolbox.selectedItem_ = null;
-        var handled = this.toolbox.selectParent_();
+        const handled = this.toolbox.selectParent_();
         chai.assert.isFalse(handled);
       });
-      test('Selected item is expanded -> Should collapse', function() {
-        var collapsibleItem = getCollapsibleItem(this.toolbox);
+      test('Selected item is expanded -> Should collapse', function () {
+        const collapsibleItem = getCollapsibleItem(this.toolbox);
         collapsibleItem.expanded_ = true;
         this.toolbox.selectedItem_ = collapsibleItem;
-        var handled = this.toolbox.selectParent_();
+        const handled = this.toolbox.selectParent_();
         chai.assert.isTrue(handled);
         chai.assert.isFalse(collapsibleItem.isExpanded());
         chai.assert.equal(this.toolbox.selectedItem_, collapsibleItem);
       });
-      test('Selected item is not expanded -> Should get parent', function() {
-        var childItem = getChildItem(this.toolbox);
+      test('Selected item is not expanded -> Should get parent', function () {
+        const childItem = getChildItem(this.toolbox);
         this.toolbox.selectedItem_ = childItem;
-        var handled = this.toolbox.selectParent_();
+        const handled = this.toolbox.selectParent_();
         chai.assert.isTrue(handled);
         chai.assert.equal(this.toolbox.selectedItem_, childItem.getParent());
       });
     });
 
-    suite('selectNext_', function() {
-      test('No item is selected -> Should not handle event', function() {
+    suite('selectNext_', function () {
+      test('No item is selected -> Should not handle event', function () {
         this.toolbox.selectedItem_ = null;
-        var handled = this.toolbox.selectNext_();
+        const handled = this.toolbox.selectNext_();
         chai.assert.isFalse(handled);
       });
-      test('Next item is selectable -> Should select next item', function() {
-        var item = this.toolbox.contents_[0];
+      test('Next item is selectable -> Should select next item', function () {
+        const item = this.toolbox.contents_[0];
         this.toolbox.selectedItem_ = item;
-        var handled = this.toolbox.selectNext_();
+        const handled = this.toolbox.selectNext_();
         chai.assert.isTrue(handled);
-        chai.assert.equal(this.toolbox.selectedItem_, this.toolbox.contents_[1]);
+        chai.assert.equal(
+          this.toolbox.selectedItem_,
+          this.toolbox.contents_[1],
+        );
       });
-      test('Selected item is last item -> Should not handle event', function() {
-        var item = this.toolbox.contents_[this.toolbox.contents_.length - 1];
+      test('Selected item is last item -> Should not handle event', function () {
+        const item = this.toolbox.contents_[this.toolbox.contents_.length - 1];
         this.toolbox.selectedItem_ = item;
-        var handled = this.toolbox.selectNext_();
+        const handled = this.toolbox.selectNext_();
         chai.assert.isFalse(handled);
         chai.assert.equal(this.toolbox.selectedItem_, item);
       });
-      test('Selected item is collapsed -> Should skip over its children', function() {
-        var item = getCollapsibleItem(this.toolbox);
-        var childItem = item.flyoutItems_[0];
+      test('Selected item is collapsed -> Should skip over its children', function () {
+        const item = getCollapsibleItem(this.toolbox);
+        const childItem = item.flyoutItems_[0];
         item.expanded_ = false;
         this.toolbox.selectedItem_ = item;
-        var handled = this.toolbox.selectNext_();
+        const handled = this.toolbox.selectNext_();
         chai.assert.isTrue(handled);
         chai.assert.notEqual(this.toolbox.selectedItem_, childItem);
       });
     });
 
-    suite('selectPrevious', function() {
-      test('No item is selected -> Should not handle event', function() {
+    suite('selectPrevious', function () {
+      test('No item is selected -> Should not handle event', function () {
         this.toolbox.selectedItem_ = null;
-        var handled = this.toolbox.selectPrevious_();
+        const handled = this.toolbox.selectPrevious_();
         chai.assert.isFalse(handled);
       });
-      test('Selected item is first item -> Should not handle event', function() {
-        var item = this.toolbox.contents_[0];
+      test('Selected item is first item -> Should not handle event', function () {
+        const item = this.toolbox.contents_[0];
         this.toolbox.selectedItem_ = item;
-        var handled = this.toolbox.selectPrevious_();
+        const handled = this.toolbox.selectPrevious_();
         chai.assert.isFalse(handled);
         chai.assert.equal(this.toolbox.selectedItem_, item);
       });
-      test('Previous item is selectable -> Should select previous item', function() {
-        var item = this.toolbox.contents_[1];
-        var prevItem = this.toolbox.contents_[0];
+      test('Previous item is selectable -> Should select previous item', function () {
+        const item = this.toolbox.contents_[1];
+        const prevItem = this.toolbox.contents_[0];
         this.toolbox.selectedItem_ = item;
-        var handled = this.toolbox.selectPrevious_();
+        const handled = this.toolbox.selectPrevious_();
         chai.assert.isTrue(handled);
         chai.assert.equal(this.toolbox.selectedItem_, prevItem);
       });
-      test('Previous item is collapsed -> Should skip over children of the previous item', function() {
-        var childItem = getChildItem(this.toolbox);
-        var parentItem = childItem.getParent();
-        var parentIdx = this.toolbox.contents_.indexOf(parentItem);
+      test('Previous item is collapsed -> Should skip over children of the previous item', function () {
+        const childItem = getChildItem(this.toolbox);
+        const parentItem = childItem.getParent();
+        const parentIdx = this.toolbox.contents_.indexOf(parentItem);
         // Gets the item after the parent.
-        var item = this.toolbox.contents_[parentIdx + 1];
+        const item = this.toolbox.contents_[parentIdx + 1];
         this.toolbox.selectedItem_ = item;
-        var handled = this.toolbox.selectPrevious_();
+        const handled = this.toolbox.selectPrevious_();
         chai.assert.isTrue(handled);
         chai.assert.notEqual(this.toolbox.selectedItem_, childItem);
       });
     });
   });
 
-  suite('setSelectedItem', function() {
-    setup(function() {
+  suite('setSelectedItem', function () {
+    setup(function () {
       this.toolbox = getInjectedToolbox();
     });
-    teardown(function() {
+    teardown(function () {
       this.toolbox.dispose();
     });
 
     function setupSetSelected(toolbox, oldItem, newItem) {
       toolbox.selectedItem_ = oldItem;
-      var newItemStub = sinon.stub(newItem, 'setSelected');
+      const newItemStub = sinon.stub(newItem, 'setSelected');
       toolbox.setSelectedItem(newItem);
       return newItemStub;
     }
 
-    test('Selected item and new item are null -> Should not update the flyout', function() {
+    test('Selected item and new item are null -> Should not update the flyout', function () {
       this.selectedItem_ = null;
       this.toolbox.setSelectedItem(null);
-      var updateFlyoutStub = sinon.stub(this.toolbox, 'updateFlyout_');
+      const updateFlyoutStub = sinon.stub(this.toolbox, 'updateFlyout_');
       sinon.assert.notCalled(updateFlyoutStub);
     });
-    test('New item is not selectable -> Should not update the flyout', function() {
-      var separator = getSeparator(this.toolbox);
+    test('New item is not selectable -> Should not update the flyout', function () {
+      const separator = getSeparator(this.toolbox);
       this.toolbox.setSelectedItem(separator);
-      var updateFlyoutStub = sinon.stub(this.toolbox, 'updateFlyout_');
+      const updateFlyoutStub = sinon.stub(this.toolbox, 'updateFlyout_');
       sinon.assert.notCalled(updateFlyoutStub);
     });
-    test('Select an item with no children -> Should select item', function() {
-      var oldItem = getCollapsibleItem(this.toolbox);
-      var oldItemStub = sinon.stub(oldItem, 'setSelected');
-      var newItem = getNonCollapsibleItem(this.toolbox);
-      var newItemStub = setupSetSelected(this.toolbox, oldItem, newItem);
+    test('Select an item with no children -> Should select item', function () {
+      const oldItem = getCollapsibleItem(this.toolbox);
+      const oldItemStub = sinon.stub(oldItem, 'setSelected');
+      const newItem = getNonCollapsibleItem(this.toolbox);
+      const newItemStub = setupSetSelected(this.toolbox, oldItem, newItem);
       sinon.assert.calledWith(oldItemStub, false);
       sinon.assert.calledWith(newItemStub, true);
     });
-    test('Select previously selected item with no children -> Should deselect', function() {
-      var newItem = getNonCollapsibleItem(this.toolbox);
-      var newItemStub = setupSetSelected(this.toolbox, newItem, newItem);
+    test('Select previously selected item with no children -> Should deselect', function () {
+      const newItem = getNonCollapsibleItem(this.toolbox);
+      const newItemStub = setupSetSelected(this.toolbox, newItem, newItem);
       sinon.assert.calledWith(newItemStub, false);
     });
-    test('Select collapsible item -> Should select item', function() {
-      var newItem = getCollapsibleItem(this.toolbox);
-      var newItemStub = setupSetSelected(this.toolbox, null, newItem);
+    test('Select collapsible item -> Should select item', function () {
+      const newItem = getCollapsibleItem(this.toolbox);
+      const newItemStub = setupSetSelected(this.toolbox, null, newItem);
       sinon.assert.calledWith(newItemStub, true);
     });
-    test('Select previously selected collapsible item -> Should not deselect', function() {
-      var newItem = getCollapsibleItem(this.toolbox);
-      var newItemStub = setupSetSelected(this.toolbox, newItem, newItem);
+    test('Select previously selected collapsible item -> Should not deselect', function () {
+      const newItem = getCollapsibleItem(this.toolbox);
+      const newItemStub = setupSetSelected(this.toolbox, newItem, newItem);
       sinon.assert.notCalled(newItemStub);
     });
   });
 
-  suite('updateFlyout_', function() {
-    setup(function() {
+  suite('updateFlyout_', function () {
+    setup(function () {
       this.toolbox = getInjectedToolbox();
     });
-    teardown(function() {
+    teardown(function () {
       this.toolbox.dispose();
     });
 
     function testHideFlyout(toolbox, oldItem, newItem) {
-      var updateFlyoutStub = sinon.stub(toolbox.flyout_, 'hide');
-      var newItem = getNonCollapsibleItem(toolbox);
+      const updateFlyoutStub = sinon.stub(toolbox.flyout_, 'hide');
       toolbox.updateFlyout_(oldItem, newItem);
       sinon.assert.called(updateFlyoutStub);
     }
 
-    test('Select previously selected item -> Should close flyout', function() {
-      var newItem = getNonCollapsibleItem(this.toolbox);
+    test('Select previously selected item -> Should close flyout', function () {
+      const newItem = getNonCollapsibleItem(this.toolbox);
       testHideFlyout(this.toolbox, newItem, newItem);
     });
-    test('No new item -> Should close flyout', function() {
+    test('No new item -> Should close flyout', function () {
       testHideFlyout(this.toolbox, null, null);
     });
-    test('Select collapsible item -> Should close flyout', function() {
-      var newItem = getCollapsibleItem(this.toolbox);
-      testHideFlyout(this.toolbox,null, newItem);
-    });
-    test('Select selectable item -> Should open flyout', function() {
-      var showFlyoutstub = sinon.stub(this.toolbox.flyout_, 'show');
-      var scrollToStartFlyout = sinon.stub(this.toolbox.flyout_, 'scrollToStart');
-      var newItem = getNonCollapsibleItem(this.toolbox);
+    test('Old item but no new item -> Should close flyout', function () {
+      const oldItem = getNonCollapsibleItem(this.toolbox);
+      testHideFlyout(this.toolbox, oldItem, null);
+    });
+    test('Select collapsible item -> Should close flyout', function () {
+      const newItem = getCollapsibleItem(this.toolbox);
+      testHideFlyout(this.toolbox, null, newItem);
+    });
+    test('Select selectable item -> Should open flyout', function () {
+      const showFlyoutstub = sinon.stub(this.toolbox.flyout_, 'show');
+      const scrollToStartFlyout = sinon.stub(
+        this.toolbox.flyout_,
+        'scrollToStart',
+      );
+      const newItem = getNonCollapsibleItem(this.toolbox);
       this.toolbox.updateFlyout_(null, newItem);
       sinon.assert.called(showFlyoutstub);
       sinon.assert.called(scrollToStartFlyout);
     });
   });
 
-  suite('position', function() {
-    setup(function() {
+  suite('position', function () {
+    setup(function () {
       this.toolbox = getBasicToolbox();
+      const metricsStub = sinon.stub(this.toolbox.workspace_, 'getMetrics');
+      metricsStub.returns({});
     });
 
     function checkHorizontalToolbox(toolbox) {
-      chai.assert.equal(toolbox.HtmlDiv.style.left, '0px', 'Check left position');
+      chai.assert.equal(
+        toolbox.HtmlDiv.style.left,
+        '0px',
+        'Check left position',
+      );
       chai.assert.equal(toolbox.HtmlDiv.style.height, 'auto', 'Check height');
       chai.assert.equal(toolbox.HtmlDiv.style.width, '100%', 'Check width');
-      chai.assert.equal(toolbox.height_, toolbox.HtmlDiv.offsetHeight, 'Check height');
+      chai.assert.equal(
+        toolbox.height_,
+        toolbox.HtmlDiv.offsetHeight,
+        'Check height',
+      );
     }
     function checkVerticalToolbox(toolbox) {
       chai.assert.equal(toolbox.HtmlDiv.style.height, '100%', 'Check height');
-      chai.assert.equal(toolbox.width_, toolbox.HtmlDiv.offsetWidth, 'Check width');
+      chai.assert.equal(
+        toolbox.width_,
+        toolbox.HtmlDiv.offsetWidth,
+        'Check width',
+      );
     }
-    test('HtmlDiv is not created -> Should not resize', function() {
-      var toolbox = this.toolbox;
+    test('HtmlDiv is not created -> Should not resize', function () {
+      const toolbox = this.toolbox;
       toolbox.HtmlDiv = null;
       toolbox.horizontalLayout_ = true;
       toolbox.position();
       chai.assert.equal(toolbox.height_, 0);
     });
-    test('Horizontal toolbox at top -> Should anchor horizontal toolbox to top', function() {
-      var toolbox = this.toolbox;
-      toolbox.toolboxPosition = Blockly.TOOLBOX_AT_TOP;
+    test('Horizontal toolbox at top -> Should anchor horizontal toolbox to top', function () {
+      const toolbox = this.toolbox;
+      toolbox.toolboxPosition = Blockly.utils.toolbox.Position.TOP;
       toolbox.horizontalLayout_ = true;
       toolbox.position();
       checkHorizontalToolbox(toolbox);
       chai.assert.equal(toolbox.HtmlDiv.style.top, '0px', 'Check top');
     });
-    test('Horizontal toolbox at bottom -> Should anchor horizontal toolbox to bottom', function() {
-      var toolbox = this.toolbox;
-      toolbox.toolboxPosition = Blockly.TOOLBOX_AT_BOTTOM;
+    test('Horizontal toolbox at bottom -> Should anchor horizontal toolbox to bottom', function () {
+      const toolbox = this.toolbox;
+      toolbox.toolboxPosition = Blockly.utils.toolbox.Position.BOTTOM;
       toolbox.horizontalLayout_ = true;
       toolbox.position();
       checkHorizontalToolbox(toolbox);
       chai.assert.equal(toolbox.HtmlDiv.style.bottom, '0px', 'Check bottom');
     });
-    test('Vertical toolbox at right -> Should anchor to right', function() {
-      var toolbox = this.toolbox;
-      toolbox.toolboxPosition = Blockly.TOOLBOX_AT_RIGHT;
+    test('Vertical toolbox at right -> Should anchor to right', function () {
+      const toolbox = this.toolbox;
+      toolbox.toolboxPosition = Blockly.utils.toolbox.Position.RIGHT;
       toolbox.horizontalLayout_ = false;
       toolbox.position();
       chai.assert.equal(toolbox.HtmlDiv.style.right, '0px', 'Check right');
       checkVerticalToolbox(toolbox);
     });
-    test('Vertical toolbox at left -> Should anchor to left', function() {
-      var toolbox = this.toolbox;
-      toolbox.toolboxPosition = Blockly.TOOLBOX_AT_LEFT;
+    test('Vertical toolbox at left -> Should anchor to left', function () {
+      const toolbox = this.toolbox;
+      toolbox.toolboxPosition = Blockly.utils.toolbox.Position.LEFT;
       toolbox.horizontalLayout_ = false;
       toolbox.position();
       chai.assert.equal(toolbox.HtmlDiv.style.left, '0px', 'Check left');
@@ -476,22 +582,29 @@ suite('Toolbox', function() {
     });
   });
 
-  suite('parseMethods', function() {
-    setup(function() {
+  suite('parseMethods', function () {
+    setup(function () {
       this.categoryToolboxJSON = getCategoryJSON();
-      this.simpleToolboxJSON = getSimpleJSON();
+      this.simpleToolboxJSON = getSimpleJson();
     });
 
     function checkValue(actual, expected, value) {
-      var actualVal = actual[value];
-      var expectedVal = expected[value];
-      chai.assert.equal(actualVal.toUpperCase(), expectedVal.toUpperCase(), 'Checking value for: ' + value);
+      const actualVal = actual[value];
+      const expectedVal = expected[value];
+      chai.assert.equal(
+        actualVal.toUpperCase(),
+        expectedVal.toUpperCase(),
+        'Checking value for: ' + value,
+      );
     }
     function checkContents(actualContents, expectedContents) {
       chai.assert.equal(actualContents.length, expectedContents.length);
-      for (var i = 0; i < actualContents.length; i++) {
+      for (let i = 0; i < actualContents.length; i++) {
         // TODO: Check the values as well as all the keys.
-        chai.assert.containsAllKeys(actualContents[i], Object.keys(expectedContents[i]));
+        chai.assert.containsAllKeys(
+          actualContents[i],
+          Object.keys(expectedContents[i]),
+        );
       }
     }
     function checkCategory(actual, expected) {
@@ -501,10 +614,10 @@ suite('Toolbox', function() {
       checkContents(actual.contents, expected.contents);
     }
     function checkCategoryToolbox(actual, expected) {
-      var actualContents = actual['contents'];
-      var expectedContents = expected['contents'];
+      const actualContents = actual['contents'];
+      const expectedContents = expected['contents'];
       chai.assert.equal(actualContents.length, expectedContents.length);
-      for (var i = 0; i < expected.length; i++) {
+      for (let i = 0; i < expected.length; i++) {
         checkCategory(actualContents[i], expected[i]);
       }
     }
@@ -512,122 +625,137 @@ suite('Toolbox', function() {
       checkContents(actual['contents'], expected['contents']);
     }
 
-    suite('parseToolbox', function() {
-      test('Category Toolbox: JSON', function() {
-        var toolboxDef = Blockly.utils.toolbox.convertToolboxDefToJson(this.categoryToolboxJSON);
+    suite('parseToolbox', function () {
+      test('Category Toolbox: JSON', function () {
+        const toolboxDef = Blockly.utils.toolbox.convertToolboxDefToJson(
+          this.categoryToolboxJSON,
+        );
         chai.assert.isNotNull(toolboxDef);
         checkCategoryToolbox(toolboxDef, this.categoryToolboxJSON);
       });
-      test('Simple Toolbox: JSON', function() {
-        var toolboxDef = Blockly.utils.toolbox.convertToolboxDefToJson(this.simpleToolboxJSON);
+      test('Simple Toolbox: JSON', function () {
+        const toolboxDef = Blockly.utils.toolbox.convertToolboxDefToJson(
+          this.simpleToolboxJSON,
+        );
         chai.assert.isNotNull(toolboxDef);
         checkSimpleToolbox(toolboxDef, this.simpleToolboxJSON);
       });
-      test('Category Toolbox: xml', function() {
-        var toolboxXml = document.getElementById('toolbox-categories');
-        var toolboxDef = Blockly.utils.toolbox.convertToolboxDefToJson(toolboxXml);
+      test('Category Toolbox: xml', function () {
+        const toolboxXml = document.getElementById('toolbox-categories');
+        const toolboxDef =
+          Blockly.utils.toolbox.convertToolboxDefToJson(toolboxXml);
         chai.assert.isNotNull(toolboxDef);
         checkCategoryToolbox(toolboxDef, this.categoryToolboxJSON);
       });
-      test('Simple Toolbox: xml', function() {
-        var toolboxXml = document.getElementById('toolbox-simple');
-        var toolboxDef = Blockly.utils.toolbox.convertToolboxDefToJson(toolboxXml);
+      test('Simple Toolbox: xml', function () {
+        const toolboxXml = document.getElementById('toolbox-simple');
+        const toolboxDef =
+          Blockly.utils.toolbox.convertToolboxDefToJson(toolboxXml);
         chai.assert.isNotNull(toolboxDef);
         checkSimpleToolbox(toolboxDef, this.simpleToolboxJSON);
       });
-      test('Simple Toolbox: string', function() {
-        var toolbox = '<xml>';
+      test('Simple Toolbox: string', function () {
+        let toolbox = '<xml>';
         toolbox += '  <block type="controls_if"></block>';
         toolbox += '  <block type="controls_whileUntil"></block>';
         toolbox += '</xml>';
 
-        var toolboxJson = {
+        const toolboxJson = {
           'contents': [
             {
               'kind': 'block',
-              'type': 'controls_if'
+              'type': 'controls_if',
             },
             {
               'kind': 'block',
-              'type': 'controls_if'
-            }
-          ]
+              'type': 'controls_if',
+            },
+          ],
         };
 
-        var toolboxDef = Blockly.utils.toolbox.convertToolboxDefToJson(toolbox);
+        const toolboxDef =
+          Blockly.utils.toolbox.convertToolboxDefToJson(toolbox);
         chai.assert.isNotNull(toolboxDef);
         checkSimpleToolbox(toolboxDef, toolboxJson);
       });
-      test('Category Toolbox: string', function() {
-        var toolbox = '<xml>';
+      test('Category Toolbox: string', function () {
+        let toolbox = '<xml>';
         toolbox += '  <category name="a"></category>';
         toolbox += '  <category name="b"></category>';
         toolbox += '</xml>';
 
-        var toolboxJson = {
+        const toolboxJson = {
           'contents': [
             {
               'kind': 'category',
-              'name': 'a'
+              'name': 'a',
             },
             {
               'kind': 'category',
-              'name': 'b'
-            }
-          ]
+              'name': 'b',
+            },
+          ],
         };
 
-        var toolboxDef = Blockly.utils.toolbox.convertToolboxDefToJson(toolbox);
+        const toolboxDef =
+          Blockly.utils.toolbox.convertToolboxDefToJson(toolbox);
         chai.assert.isNotNull(toolboxDef);
         checkSimpleToolbox(toolboxDef, toolboxJson);
       });
     });
-    suite('parseFlyout', function() {
-      test('Array of Nodes', function() {
-        var xmlList = getXmlArray();
-        var flyoutDef = Blockly.utils.toolbox.convertFlyoutDefToJsonArray(xmlList);
+    suite('parseFlyout', function () {
+      test('Array of Nodes', function () {
+        const xmlList = getXmlArray();
+        const flyoutDef =
+          Blockly.utils.toolbox.convertFlyoutDefToJsonArray(xmlList);
         checkContents(flyoutDef, this.simpleToolboxJSON['contents']);
       });
-      test('NodeList', function() {
-        var nodeList = document.getElementById('toolbox-simple').childNodes;
-        var flyoutDef = Blockly.utils.toolbox.convertFlyoutDefToJsonArray(nodeList);
+      test('NodeList', function () {
+        const nodeList = document.getElementById('toolbox-simple').childNodes;
+        const flyoutDef =
+          Blockly.utils.toolbox.convertFlyoutDefToJsonArray(nodeList);
         checkContents(flyoutDef, this.simpleToolboxJSON['contents']);
       });
-      test('List of json', function() {
-        var jsonList = this.simpleToolboxJSON['contents'];
-        var flyoutDef = Blockly.utils.toolbox.convertFlyoutDefToJsonArray(jsonList);
+      test('List of json', function () {
+        const jsonList = this.simpleToolboxJSON['contents'];
+        const flyoutDef =
+          Blockly.utils.toolbox.convertFlyoutDefToJsonArray(jsonList);
         checkContents(flyoutDef, this.simpleToolboxJSON['contents']);
       });
-      test('Json', function() {
-        var flyoutDef = Blockly.utils.toolbox.convertFlyoutDefToJsonArray(this.simpleToolboxJSON);
+      test('Json', function () {
+        const flyoutDef = Blockly.utils.toolbox.convertFlyoutDefToJsonArray(
+          this.simpleToolboxJSON,
+        );
         checkContents(flyoutDef, this.simpleToolboxJSON['contents']);
       });
     });
   });
-  suite('Nested Categories', function() {
-    setup(function() {
+  suite('Nested Categories', function () {
+    setup(function () {
       this.toolbox = getInjectedToolbox();
     });
-    teardown(function() {
+    teardown(function () {
       this.toolbox.dispose();
     });
-    test('Child categories visible if all ancestors expanded', function() {
+    test('Child categories visible if all ancestors expanded', function () {
       this.toolbox.render(getDeeplyNestedJSON());
-      var outerCategory = this.toolbox.contents_[0];
-      var middleCategory = this.toolbox.contents_[1];
-      var innerCategory = this.toolbox.contents_[2];
+      const outerCategory = this.toolbox.contents_[0];
+      const middleCategory = this.toolbox.contents_[1];
+      const innerCategory = this.toolbox.contents_[2];
 
       outerCategory.toggleExpanded();
       middleCategory.toggleExpanded();
       innerCategory.show();
 
-      chai.assert.isTrue(innerCategory.isVisible(),
-          'All ancestors are expanded, so category should be visible');
+      chai.assert.isTrue(
+        innerCategory.isVisible(),
+        'All ancestors are expanded, so category should be visible',
+      );
     });
-    test('Child categories not visible if any ancestor not expanded', function() {
+    test('Child categories not visible if any ancestor not expanded', function () {
       this.toolbox.render(getDeeplyNestedJSON());
-      var middleCategory = this.toolbox.contents_[1];
-      var innerCategory = this.toolbox.contents_[2];
+      const middleCategory = this.toolbox.contents_[1];
+      const innerCategory = this.toolbox.contents_[2];
 
       // Don't expand the outermost category
       // Even though the direct parent of inner is expanded, it shouldn't be visible
@@ -635,8 +763,10 @@ suite('Toolbox', function() {
       middleCategory.toggleExpanded();
       innerCategory.show();
 
-      chai.assert.isFalse(innerCategory.isVisible(),
-          'Not all ancestors are expanded, so category should not be visible');
+      chai.assert.isFalse(
+        innerCategory.isVisible(),
+        'Not all ancestors are expanded, so category should not be visible',
+      );
     });
   });
 });
diff --git a/tests/mocha/tooltip_test.js b/tests/mocha/tooltip_test.js
index f378bd506af..9488697ab52 100644
--- a/tests/mocha/tooltip_test.js
+++ b/tests/mocha/tooltip_test.js
@@ -4,38 +4,75 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Tooltip', function() {
-
-  setup(function() {
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Tooltip', function () {
+  setup(function () {
     sharedTestSetup.call(this);
     this.workspace = new Blockly.Workspace();
+
+    Blockly.defineBlocksWithJsonArray([
+      {
+        'type': 'test_block',
+        'message0': '%1',
+        'args0': [
+          {
+            'type': 'field_input',
+            'name': 'FIELD',
+          },
+        ],
+      },
+    ]);
   });
 
-  teardown(function() {
+  teardown(function () {
+    delete Blockly.Blocks['test_block'];
     sharedTestTeardown.call(this);
   });
 
-  suite('set/getTooltip', function() {
-    setup(function() {
-      Blockly.defineBlocksWithJsonArray([
-        {
-          "type": "test_block",
-          "message0": "%1",
-          "args0": [
-            {
-              "type": "field_input",
-              "name": "FIELD"
-            }
-          ]
-        }
-      ]);
+  suite('Custom Tooltip', function () {
+    setup(function () {
+      this.renderedWorkspace = Blockly.inject('blocklyDiv', {});
     });
 
-    teardown(function() {
-      delete Blockly.Blocks["test_block"];
+    teardown(function () {
+      workspaceTeardown.call(this, this.renderedWorkspace);
     });
 
-    var tooltipText = 'testTooltip';
+    test('Custom function is called', function () {
+      // Custom tooltip function is registered and should be called when mouse
+      // events are fired.
+      let wasCalled = false;
+      const customFn = function () {
+        wasCalled = true;
+      };
+      Blockly.Tooltip.setCustomTooltip(customFn);
+
+      this.block = this.renderedWorkspace.newBlock('test_block');
+      this.block.setTooltip('Test Tooltip');
+
+      // Fire pointer events directly on the relevant SVG.
+      this.block.pathObject.svgPath.dispatchEvent(
+        new PointerEvent('pointerover'),
+      );
+      this.block.pathObject.svgPath.dispatchEvent(
+        new PointerEvent('pointermove'),
+      );
+      this.clock.runAll();
+
+      chai.assert.isTrue(
+        wasCalled,
+        'Expected custom tooltip function to have been called',
+      );
+    });
+  });
+
+  suite('set/getTooltip', function () {
+    const tooltipText = 'testTooltip';
 
     function assertTooltip(obj) {
       chai.assert.equal(obj.getTooltip(), tooltipText);
@@ -62,7 +99,7 @@ suite('Tooltip', function() {
     function setFunctionReturningObjectTooltip(obj) {
       obj.setTooltip(() => {
         return {
-          tooltip: tooltipText
+          tooltip: tooltipText,
         };
       });
     }
@@ -71,118 +108,124 @@ suite('Tooltip', function() {
       obj.setTooltip({tooltip: tooltipText});
     }
 
-    suite('Headless Blocks', function() {
-      setup(function() {
+    suite('Headless Blocks', function () {
+      setup(function () {
         this.block = this.workspace.newBlock('test_block');
       });
 
-      test('String', function() {
+      test('String', function () {
         setStringTooltip(this.block);
         assertTooltip(this.block);
       });
 
-      test('Function', function() {
+      test('Function', function () {
         setFunctionTooltip(this.block);
         assertTooltip(this.block);
       });
 
-      test('Nested Function', function() {
+      test('Nested Function', function () {
         setNestedFunctionTooltip(this.block);
         assertTooltip(this.block);
       });
 
-      test('Function returning object', function() {
+      test('Function returning object', function () {
         setFunctionReturningObjectTooltip(this.block);
-        chai.assert.throws(this.block.getTooltip.bind(this.block),
-            'Tooltip function must return a string.');
+        chai.assert.throws(
+          this.block.getTooltip.bind(this.block),
+          'Tooltip function must return a string.',
+        );
       });
 
-      test('Object', function() {
+      test('Object', function () {
         setObjectTooltip(this.block);
         assertTooltip(this.block);
       });
     });
 
-    suite('Rendered Blocks', function() {
-      setup(function() {
+    suite('Rendered Blocks', function () {
+      setup(function () {
         this.renderedWorkspace = Blockly.inject('blocklyDiv');
         this.block = this.renderedWorkspace.newBlock('test_block');
         this.block.initSvg();
         this.block.render();
       });
 
-      teardown(function() {
+      teardown(function () {
         workspaceTeardown.call(this, this.renderedWorkspace);
       });
 
-      test('String', function() {
+      test('String', function () {
         setStringTooltip(this.block);
         assertTooltip(this.block);
       });
 
-      test('Function', function() {
+      test('Function', function () {
         setFunctionTooltip(this.block);
         assertTooltip(this.block);
       });
 
-      test('Nested Function', function() {
+      test('Nested Function', function () {
         setNestedFunctionTooltip(this.block);
         assertTooltip(this.block);
       });
 
-      test('Function returning object', function() {
+      test('Function returning object', function () {
         setFunctionReturningObjectTooltip(this.block);
-        chai.assert.throws(this.block.getTooltip.bind(this.block),
-            'Tooltip function must return a string.');
+        chai.assert.throws(
+          this.block.getTooltip.bind(this.block),
+          'Tooltip function must return a string.',
+        );
       });
 
-      test('Object', function() {
+      test('Object', function () {
         setObjectTooltip(this.block);
         assertTooltip(this.block);
       });
     });
 
-    suite('Headless Fields', function() {
-      setup(function() {
+    suite('Headless Fields', function () {
+      setup(function () {
         this.block = this.workspace.newBlock('test_block');
         this.field = this.block.getField('FIELD');
       });
 
-      test('String', function() {
+      test('String', function () {
         setStringTooltip(this.field);
         assertTooltip(this.field);
       });
 
-      test('Function', function() {
+      test('Function', function () {
         setFunctionTooltip(this.field);
         assertTooltip(this.field);
       });
 
-      test('Nested Function', function() {
+      test('Nested Function', function () {
         setNestedFunctionTooltip(this.field);
         assertTooltip(this.field);
       });
 
-      test('Function returning object', function() {
+      test('Function returning object', function () {
         setFunctionReturningObjectTooltip(this.field);
-        chai.assert.throws(this.field.getTooltip.bind(this.field),
-            'Tooltip function must return a string.');
+        chai.assert.throws(
+          this.field.getTooltip.bind(this.field),
+          'Tooltip function must return a string.',
+        );
       });
 
-      test('Object', function() {
+      test('Object', function () {
         setObjectTooltip(this.field);
         assertTooltip(this.field);
       });
 
-      test('Null', function() {
+      test('Null', function () {
         setStringTooltip(this.block);
         this.field.setTooltip(null);
         assertTooltip(this.field);
       });
     });
 
-    suite('Rendered Fields', function() {
-      setup(function() {
+    suite('Rendered Fields', function () {
+      setup(function () {
         this.renderedWorkspace = Blockly.inject('blocklyDiv');
         this.block = this.renderedWorkspace.newBlock('test_block');
         this.block.initSvg();
@@ -190,37 +233,39 @@ suite('Tooltip', function() {
         this.field = this.block.getField('FIELD');
       });
 
-      teardown(function() {
+      teardown(function () {
         workspaceTeardown.call(this, this.renderedWorkspace);
       });
 
-      test('String', function() {
+      test('String', function () {
         setStringTooltip(this.field);
         assertTooltip(this.field);
       });
 
-      test('Function', function() {
+      test('Function', function () {
         setFunctionTooltip(this.field);
         assertTooltip(this.field);
       });
 
-      test('Nested Function', function() {
+      test('Nested Function', function () {
         setNestedFunctionTooltip(this.field);
         assertTooltip(this.field);
       });
 
-      test('Function returning object', function() {
+      test('Function returning object', function () {
         setFunctionReturningObjectTooltip(this.field);
-        chai.assert.throws(this.field.getTooltip.bind(this.field),
-            'Tooltip function must return a string.');
+        chai.assert.throws(
+          this.field.getTooltip.bind(this.field),
+          'Tooltip function must return a string.',
+        );
       });
 
-      test('Object', function() {
+      test('Object', function () {
         setObjectTooltip(this.field);
         assertTooltip(this.field);
       });
 
-      test('Null', function() {
+      test('Null', function () {
         setStringTooltip(this.block);
         this.field.setTooltip(null);
         assertTooltip(this.field);
diff --git a/tests/mocha/touch_test.js b/tests/mocha/touch_test.js
new file mode 100644
index 00000000000..94894b4eb01
--- /dev/null
+++ b/tests/mocha/touch_test.js
@@ -0,0 +1,114 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Touch', function () {
+  setup(function () {
+    sharedTestSetup.call(this);
+  });
+
+  teardown(function () {
+    Blockly.Touch.clearTouchIdentifier();
+    sharedTestTeardown.call(this);
+  });
+
+  suite('shouldHandleTouch', function () {
+    test('handles pointerdown event', function () {
+      const pointerEvent = new PointerEvent('pointerdown');
+      chai.assert.isTrue(Blockly.Touch.shouldHandleEvent(pointerEvent));
+    });
+
+    test('handles multiple pointerdown events', function () {
+      const pointerEvent1 = new PointerEvent('pointerdown');
+      const pointerEvent2 = new PointerEvent('pointerdown');
+      Blockly.Touch.shouldHandleEvent(pointerEvent1);
+      chai.assert.isTrue(Blockly.Touch.shouldHandleEvent(pointerEvent2));
+    });
+
+    test('does not handle pointerup if not tracking touch', function () {
+      const pointerEvent = new PointerEvent('pointerup');
+      chai.assert.isFalse(Blockly.Touch.shouldHandleEvent(pointerEvent));
+    });
+
+    test('handles pointerup if already tracking a touch', function () {
+      const pointerdown = new PointerEvent('pointerdown');
+      const pointerup = new PointerEvent('pointerup');
+      // Register the pointerdown event first
+      Blockly.Touch.shouldHandleEvent(pointerdown);
+      chai.assert.isTrue(Blockly.Touch.shouldHandleEvent(pointerup));
+    });
+
+    test('handles pointerdown if this is a new touch', function () {
+      const pointerdown = new PointerEvent('pointerdown', {
+        pointerId: 1,
+        pointerType: 'touch',
+      });
+      chai.assert.isTrue(Blockly.Touch.shouldHandleEvent(pointerdown));
+    });
+
+    test('does not handle pointerdown if part of a different touch', function () {
+      const pointerdown1 = new PointerEvent('pointerdown', {
+        pointerId: 1,
+        pointerType: 'touch',
+      });
+      const pointerdown2 = new PointerEvent('pointerdown', {
+        pointerId: 2,
+        pointerType: 'touch',
+      });
+      Blockly.Touch.shouldHandleEvent(pointerdown1);
+      chai.assert.isFalse(Blockly.Touch.shouldHandleEvent(pointerdown2));
+    });
+
+    test('does not handle pointerup if not tracking touch', function () {
+      const pointerup = new PointerEvent('pointerup', {
+        pointerId: 1,
+        pointerType: 'touch',
+      });
+      chai.assert.isFalse(Blockly.Touch.shouldHandleEvent(pointerup));
+    });
+
+    test('handles pointerup if part of existing touch', function () {
+      const pointerdown = new PointerEvent('pointerdown', {
+        pointerId: 1,
+        pointerType: 'touch',
+      });
+      const pointerup = new PointerEvent('pointerdown', {
+        pointerId: 1,
+        pointerType: 'touch',
+      });
+      Blockly.Touch.shouldHandleEvent(pointerdown);
+      chai.assert.isTrue(Blockly.Touch.shouldHandleEvent(pointerup));
+    });
+  });
+
+  suite('getTouchIdentifierFromEvent', function () {
+    test('is pointerId for mouse PointerEvents', function () {
+      const pointerdown = new PointerEvent('pointerdown', {
+        pointerId: 7,
+        pointerType: 'mouse',
+      });
+      chai.assert.equal(
+        Blockly.Touch.getTouchIdentifierFromEvent(pointerdown),
+        7,
+      );
+    });
+
+    test('is pointerId for touch PointerEvents', function () {
+      const pointerdown = new PointerEvent('pointerdown', {
+        pointerId: 42,
+        pointerType: 'touch',
+      });
+      chai.assert.equal(
+        Blockly.Touch.getTouchIdentifierFromEvent(pointerdown),
+        42,
+      );
+    });
+  });
+});
diff --git a/tests/mocha/trashcan_test.js b/tests/mocha/trashcan_test.js
index 93833021e8b..14acd21b643 100644
--- a/tests/mocha/trashcan_test.js
+++ b/tests/mocha/trashcan_test.js
@@ -4,328 +4,370 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite("Trashcan", function() {
+import {assertEventFired, assertEventNotFired} from './test_helpers/events.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {
+  defineBasicBlockWithField,
+  defineMutatorBlocks,
+  defineRowBlock,
+  defineStackBlock,
+  defineStatementBlock,
+} from './test_helpers/block_definitions.js';
+import * as eventUtils from '../../build/src/core/events/utils.js';
+import {simulateClick} from './test_helpers/user_input.js';
+
+suite('Trashcan', function () {
   function fireDeleteEvent(workspace, xmlString) {
-    var xml = Blockly.Xml.textToDom(
-        '<xml xmlns="https://developers.google.com/blockly/xml">' +
-        xmlString + '</xml>');
+    let xml = Blockly.utils.xml.textToDom(
+      '<xml xmlns="https://developers.google.com/blockly/xml">' +
+        xmlString +
+        '</xml>',
+    );
     xml = xml.children[0];
-    var event = new Blockly.Events.Delete();
-    event.oldXml = xml;
-    event.workspaceId = workspace.id;
-    Blockly.Events.fire(event);
+    const block = Blockly.Xml.domToBlock(xml, workspace);
+    const event = new Blockly.Events.BlockDelete(block);
+    eventUtils.fire(event);
   }
   function fireNonDeleteEvent(workspace, oldXml) {
-    var event = new Blockly.Events.Abstract();
-    event.type = 'dummy_type';
+    const event = new Blockly.Events.Abstract();
+    event.type = 'test_field_block';
     event.workspaceId = workspace.id;
     if (oldXml) {
       event.oldXml = oldXml;
     }
-    Blockly.Events.fire(/** @type {Blockly.Events.Abstract} */ event);
+    eventUtils.fire(/** @type {Blockly.Events.Abstract} */ event);
   }
 
-  setup(function() {
+  setup(function () {
     sharedTestSetup.call(this);
-    this.workspace = Blockly.inject('blocklyDiv',
-        {'trashcan': true, 'maxTrashcanContents': Infinity});
+    defineBasicBlockWithField();
+    defineRowBlock();
+    defineRowBlock('row_block2');
+    defineStatementBlock();
+    defineStatementBlock('statement_block2');
+    defineStackBlock();
+    defineStackBlock('stack_block2');
+    defineMutatorBlocks();
+    this.workspace = Blockly.inject('blocklyDiv', {
+      'trashcan': true,
+      'maxTrashcanContents': Infinity,
+    });
     this.trashcan = this.workspace.trashcan;
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
+    Blockly.Extensions.unregister('xml_mutator');
+    Blockly.Extensions.unregister('jso_mutator');
   });
 
-  suite("Events", function() {
-    test("Delete", function() {
-      fireDeleteEvent(this.workspace, '<block type="dummy_type"/>');
-      chai.assert.equal(this.trashcan.contents_.length, 1);
+  suite('Events', function () {
+    test('Delete', function () {
+      fireDeleteEvent(this.workspace, '<block type="test_field_block"/>');
+      chai.assert.equal(this.trashcan.contents.length, 1);
     });
-    test("Non-Delete", function() {
+    test('Non-Delete', function () {
       fireNonDeleteEvent(this.workspace);
-      chai.assert.equal(this.trashcan.contents_.length, 0);
+      chai.assert.equal(this.trashcan.contents.length, 0);
     });
-    test("Non-Delete w/ oldXml", function() {
-      var xml = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
-          '  <block type="dummy_type"/>' +
-          '</xml>'
+    test('Non-Delete w/ oldXml', function () {
+      let xml = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
+          '  <block type="test_field_block"/>' +
+          '</xml>',
       );
       xml = xml.children[0];
       fireNonDeleteEvent(this.workspace, xml);
-      chai.assert.equal(this.trashcan.contents_.length, 0);
+      chai.assert.equal(this.trashcan.contents.length, 0);
     });
-    test("Shadow Delete", function() {
-      fireDeleteEvent(this.workspace, '<shadow type="dummy_type"/>');
-      chai.assert.equal(this.trashcan.contents_.length, 0);
+    test('Shadow Delete', function () {
+      fireDeleteEvent(this.workspace, '<shadow type="test_field_block"/>');
+      chai.assert.equal(this.trashcan.contents.length, 0);
     });
-    test("Click without contents - fires workspace click", function() {
-      simulateClick(this.trashcan.svgGroup_);
+    test('Click without contents - fires workspace click', function () {
+      simulateClick(this.trashcan.svgGroup);
 
-      assertEventNotFired(
-          this.eventsFireStub, Blockly.Events.Ui, {element: 'trashcanOpen'});
+      assertEventNotFired(this.eventsFireStub, Blockly.Events.TrashcanOpen, {
+        type: eventUtils.CLICK,
+      });
       assertEventFired(
-          this.eventsFireStub, Blockly.Events.Ui,
-          {element: 'click', oldValue: null, newValue: 'workspace'},
-          this.workspace.id, null);
+        this.eventsFireStub,
+        Blockly.Events.Click,
+        {targetType: 'workspace', type: eventUtils.CLICK},
+        this.workspace.id,
+        undefined,
+      );
     });
-    test("Click with contents - fires trashcanOpen", function() {
-      fireDeleteEvent(this.workspace, '<block type="dummy_type"/>');
-      chai.assert.equal(this.trashcan.contents_.length, 1);
+    test('Click with contents - fires trashcanOpen', function () {
+      fireDeleteEvent(this.workspace, '<block type="test_field_block"/>');
+      chai.assert.equal(this.trashcan.contents.length, 1);
       // Stub flyout interaction.
-      var showFlyoutStub = sinon.stub(this.trashcan.flyout, "show");
+      const showFlyoutStub = sinon.stub(this.trashcan.flyout, 'show');
 
-      simulateClick(this.trashcan.svgGroup_);
+      simulateClick(this.trashcan.svgGroup);
 
       sinon.assert.calledOnce(showFlyoutStub);
 
       assertEventFired(
-          this.eventsFireStub, Blockly.Events.Ui,
-          {element: 'trashcanOpen', oldValue: null, newValue: true},
-          this.workspace.id, null);
-      assertEventNotFired(
-          this.eventsFireStub, Blockly.Events.Ui, {element: 'click'});
+        this.eventsFireStub,
+        Blockly.Events.TrashcanOpen,
+        {isOpen: true, type: eventUtils.TRASHCAN_OPEN},
+        this.workspace.id,
+      );
+      assertEventNotFired(this.eventsFireStub, Blockly.Events.Click, {
+        type: eventUtils.TRASHCAN_OPEN,
+      });
     });
-    test("Click outside trashcan - fires trashcanClose", function() {
-      sinon.stub(this.trashcan.flyout, 'isVisible').returns(true);
-      // Stub flyout interaction.
-      var hideFlyoutStub = sinon.stub(this.trashcan.flyout, "hide");
+    test('Click outside trashcan - fires trashcanClose', function () {
+      this.trashcan.flyout.setVisible(true);
 
       simulateClick(this.workspace.svgGroup_);
 
-      sinon.assert.calledOnce(hideFlyoutStub);
-
+      chai.assert.isFalse(
+        this.trashcan.flyout.isVisible(),
+        'Expected flyout to be hidden',
+      );
       assertEventFired(
-          this.eventsFireStub, Blockly.Events.Ui,
-          {element: 'trashcanOpen', oldValue: null, newValue: false},
-          this.workspace.id, null);
+        this.eventsFireStub,
+        Blockly.Events.TrashcanOpen,
+        {isOpen: false, type: eventUtils.TRASHCAN_OPEN},
+        this.workspace.id,
+      );
       assertEventFired(
-          this.eventsFireStub, Blockly.Events.Ui,
-          {element: 'click', oldValue: null, newValue: 'workspace'},
-          this.workspace.id, null);
+        this.eventsFireStub,
+        Blockly.Events.Click,
+        {targetType: 'workspace', type: eventUtils.CLICK},
+        this.workspace.id,
+        undefined,
+      );
     });
   });
-  suite("Unique Contents", function() {
-    test("Simple", function() {
-      fireDeleteEvent(this.workspace, '<block type="dummy_type"/>');
-      fireDeleteEvent(this.workspace, '<block type="dummy_type"/>');
-      chai.assert.equal(this.trashcan.contents_.length, 1);
+  suite('Unique Contents', function () {
+    test('Simple', function () {
+      fireDeleteEvent(this.workspace, '<block type="test_field_block"/>');
+      fireDeleteEvent(this.workspace, '<block type="test_field_block"/>');
+      chai.assert.equal(this.trashcan.contents.length, 1);
     });
-    test("Different Coords", function() {
-      fireDeleteEvent(this.workspace, '<block type="dummy_type" x="10" y="10"/>');
-      fireDeleteEvent(this.workspace, '<block type="dummy_type" x="20" y="20"/>');
-      chai.assert.equal(this.trashcan.contents_.length, 1);
+    test('Different Coords', function () {
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="test_field_block" x="10" y="10"/>',
+      );
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="test_field_block" x="20" y="20"/>',
+      );
+      chai.assert.equal(this.trashcan.contents.length, 1);
     });
-    test("Different IDs", function() {
-      fireDeleteEvent(this.workspace, '<block type="dummy_type" id="id1"/>');
-      fireDeleteEvent(this.workspace, '<block type="dummy_type" id="id2"/>');
-      chai.assert.equal(this.trashcan.contents_.length, 1);
+    test('Different IDs', function () {
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="test_field_block" id="id1"/>',
+      );
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="test_field_block" id="id2"/>',
+      );
+      chai.assert.equal(this.trashcan.contents.length, 1);
     });
-    test("No Disabled - Disabled True", function() {
-      fireDeleteEvent(this.workspace, '<block type="dummy_type"/>');
-      fireDeleteEvent(this.workspace, '<block type="dummy_type" disabled="true"/>');
+    test('No Disabled - Disabled True', function () {
+      fireDeleteEvent(this.workspace, '<block type="test_field_block"/>');
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="test_field_block" disabled="true"/>',
+      );
       // Disabled tags get removed because disabled blocks aren't allowed to
       // be dragged from flyouts. See #2239 and #3243.
-      chai.assert.equal(this.trashcan.contents_.length, 1);
-    });
-    test("No Editable - Editable False", function() {
-      fireDeleteEvent(this.workspace, '<block type="dummy_type"/>');
-      fireDeleteEvent(this.workspace, '<block type="dummy_type" editable="false"/>');
-      chai.assert.equal(this.trashcan.contents_.length, 2);
-    });
-    test("No Movable - Movable False", function() {
-      fireDeleteEvent(this.workspace, '<block type="dummy_type"/>');
-      fireDeleteEvent(this.workspace, '<block type="dummy_type" movable="false"/>');
-      chai.assert.equal(this.trashcan.contents_.length, 2);
+      chai.assert.equal(this.trashcan.contents.length, 1);
     });
-    test("Different Field Values", function() {
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
-          '  <field name="dummy_name">dummy_value1</field>' +
-          '</block>'
+    test('Different Field Values', function () {
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="test_field_block">' +
+          '  <field name="NAME">dummy_value1</field>' +
+          '</block>',
       );
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
-          '  <field name="dummy_name">dummy_value2</field>' +
-          '</block>'
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="test_field_block">' +
+          '  <field name="NAME">dummy_value2</field>' +
+          '</block>',
       );
-      chai.assert.equal(this.trashcan.contents_.length, 2);
+      chai.assert.equal(this.trashcan.contents.length, 2);
     });
-    test("No Values - Values", function() {
-      fireDeleteEvent(this.workspace, '<block type="dummy_type"/>');
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
-          '  <value name="dummy_input">' +
-          '    <block type="dummy_type"/>' +
+    test('No Values - Values', function () {
+      fireDeleteEvent(this.workspace, '<block type="row_block"/>');
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="row_block">' +
+          '  <value name="INPUT">' +
+          '    <block type="row_block"/>' +
           '  </value>' +
-          '</block>'
+          '</block>',
       );
-      chai.assert.equal(this.trashcan.contents_.length, 2);
+      chai.assert.equal(this.trashcan.contents.length, 2);
     });
-    test("Different Value Blocks", function() {
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
-          '  <value name="dummy_input">' +
-          '    <block type="dummy_type1"/>' +
+    test('Different Value Blocks', function () {
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="row_block">' +
+          '  <value name="INPUT">' +
+          '    <block type="row_block"/>' +
           '  </value>' +
-          '</block>'
+          '</block>',
       );
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
-          '  <value name="dummy_input">' +
-          '    <block type="dummy_type2"/>' +
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="row_block">' +
+          '  <value name="INPUT">' +
+          '    <block type="row_block2"/>' +
           '  </value>' +
-          '</block>'
+          '</block>',
       );
-      chai.assert.equal(this.trashcan.contents_.length, 2);
+      chai.assert.equal(this.trashcan.contents.length, 2);
     });
-    test("No Statements - Statements", function() {
-      fireDeleteEvent(this.workspace, '<block type="dummy_type"/>');
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
-          '  <statement name="dummy_input">' +
-          '    <block type="dummy_type"/>' +
+    test('No Statements - Statements', function () {
+      fireDeleteEvent(this.workspace, '<block type="statement_block"/>');
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="statement_block">' +
+          '  <statement name="NAME">' +
+          '    <block type="statement_block"/>' +
           '  </statement>' +
-          '</block>'
+          '</block>',
       );
-      chai.assert.equal(this.trashcan.contents_.length, 2);
+      chai.assert.equal(this.trashcan.contents.length, 2);
     });
-    test("Different Statement Blocks", function() {
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
-          '  <statement name="dummy_input">' +
-          '    <block type="dummy_type1"/>' +
+    test('Different Statement Blocks', function () {
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="statement_block">' +
+          '  <statement name="NAME">' +
+          '    <block type="statement_block"/>' +
           '  </statement>' +
-          '</block>'
+          '</block>',
       );
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
-          '  <statement name="dummy_input">' +
-          '    <block type="dummy_type2"/>' +
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="statement_block2">' +
+          '  <statement name="NAME">' +
+          '    <block type="statement_block2"/>' +
           '  </statement>' +
-          '</block>'
+          '</block>',
       );
-      chai.assert.equal(this.trashcan.contents_.length, 2);
+      chai.assert.equal(this.trashcan.contents.length, 2);
     });
-    test("No Next - Next", function() {
-      fireDeleteEvent(this.workspace, '<block type="dummy_type"/>');
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
+    test('No Next - Next', function () {
+      fireDeleteEvent(this.workspace, '<block type="stack_block"/>');
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="stack_block">' +
           '  <next>' +
-          '    <block type="dummy_type"/>' +
+          '    <block type="stack_block"/>' +
           '  </next>' +
-          '</block>'
+          '</block>',
       );
-      chai.assert.equal(this.trashcan.contents_.length, 2);
+      chai.assert.equal(this.trashcan.contents.length, 2);
     });
-    test("Different Next Blocks", function() {
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
+    test('Different Next Blocks', function () {
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="stack_block">' +
           '  <next>' +
-          '    <block type="dummy_type1"/>' +
+          '    <block type="stack_block"/>' +
           '  </next>' +
-          '</block>'
+          '</block>',
       );
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="stack_block">' +
           '  <next>' +
-          '    <block type="dummy_type2"/>' +
+          '    <block type="stack_block2"/>' +
           '  </next>' +
-          '</block>'
+          '</block>',
       );
-      chai.assert.equal(this.trashcan.contents_.length, 2);
+      chai.assert.equal(this.trashcan.contents.length, 2);
     });
-    test("No Comment - Comment", function() {
-      fireDeleteEvent(this.workspace, '<block type="dummy_type"/>');
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
+    test('No Comment - Comment', function () {
+      fireDeleteEvent(this.workspace, '<block type="test_field_block"/>');
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="test_field_block">' +
           '  <comment>comment_text</comment>' +
-          '</block>'
+          '</block>',
       );
-      chai.assert.equal(this.trashcan.contents_.length, 2);
+      chai.assert.equal(this.trashcan.contents.length, 2);
     });
-    test("Different Comment Text", function() {
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
+    test('Different Comment Text', function () {
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="test_field_block">' +
           '  <comment>comment_text1</comment>' +
-          '</block>'
+          '</block>',
       );
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="test_field_block">' +
           '  <comment>comment_text2</comment>' +
-          '</block>'
+          '</block>',
       );
-      chai.assert.equal(this.trashcan.contents_.length, 2);
+      chai.assert.equal(this.trashcan.contents.length, 2);
     });
-    test("Different Comment Size", function() {
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
+    test('Different Comment Size', function () {
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="test_field_block">' +
           '  <comment h="10" w="10">comment_text</comment>' +
-          '</block>'
+          '</block>',
       );
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="test_field_block">' +
           '  <comment h="20" w="20">comment_text</comment>' +
-          '</block>'
+          '</block>',
       );
       // h & w tags are removed b/c the blocks appear the same.
-      chai.assert.equal(this.trashcan.contents_.length, 1);
+      chai.assert.equal(this.trashcan.contents.length, 1);
     });
-    test("Different Comment Pinned", function() {
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
+    test('Different Comment Pinned', function () {
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="test_field_block">' +
           '  <comment pinned="false">comment_text</comment>' +
-          '</block>'
+          '</block>',
       );
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="test_field_block">' +
           '  <comment pinned="true">comment_text</comment>' +
-          '</block>'
+          '</block>',
       );
       // pinned tags are removed b/c the blocks appear the same.
-      chai.assert.equal(this.trashcan.contents_.length, 1);
+      chai.assert.equal(this.trashcan.contents.length, 1);
     });
-    test("No Mutator - Mutator", function() {
-      fireDeleteEvent(this.workspace, '<block type="dummy_type"/>');
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
-          '  <mutation dummy_attribute="dummy_value"></mutation>' +
-          '</block>'
+    test('Different Mutator', function () {
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="xml_block">' +
+          '  <mutation hasInput="true"></mutation>' +
+          '</block>',
       );
-      chai.assert.equal(this.trashcan.contents_.length, 2);
-    });
-    test("Different Mutator", function() {
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
-          '  <mutation dummy_attribute="dummy_value1"></mutation>' +
-          '</block>'
-      );
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type">' +
-          '  <mutation dummy_attribute="dummy_value2"></mutation>' +
-          '</block>'
+      fireDeleteEvent(
+        this.workspace,
+        '<block type="xml_block">' +
+          '  <mutation hasInputt="false"></mutation>' +
+          '</block>',
       );
-      chai.assert.equal(this.trashcan.contents_.length, 2);
+      chai.assert.equal(this.trashcan.contents.length, 2);
     });
   });
-  suite("Max Contents", function() {
-    test("Max 0", function() {
+  suite('Max Contents', function () {
+    test('Max 0', function () {
       this.workspace.options.maxTrashcanContents = 0;
-      fireDeleteEvent(this.workspace,
-          '<block type="dummy_type"/>'
-      );
-      chai.assert.equal(this.trashcan.contents_.length, 0);
-      this.workspace.options.maxTrashcanContents = Infinity;
-    });
-    test("Last In First Out", function() {
-      this.workspace.options.maxTrashcanContents = 1;
-      fireDeleteEvent(this.workspace, '<block type="dummy_type1"/>');
-      fireDeleteEvent(this.workspace, '<block type="dummy_type2"/>');
-      chai.assert.equal(this.trashcan.contents_.length, 1);
-      chai.assert.equal(
-          Blockly.Xml.textToDom(this.trashcan.contents_[0])
-              .getAttribute('type'),
-          'dummy_type2'
-      );
+      fireDeleteEvent(this.workspace, '<block type="test_field_block"/>');
+      chai.assert.equal(this.trashcan.contents.length, 0);
       this.workspace.options.maxTrashcanContents = Infinity;
     });
   });
diff --git a/tests/mocha/utils_test.js b/tests/mocha/utils_test.js
index 11c6fdb2d40..e87936585ae 100644
--- a/tests/mocha/utils_test.js
+++ b/tests/mocha/utils_test.js
@@ -4,152 +4,311 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Utils', function() {
-  setup(function() {
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Utils', function () {
+  setup(function () {
     sharedTestSetup.call(this);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  test('genUid', function() {
-    var uuids = {};
-    chai.assert.equal([1,2,3].indexOf(4), -1);
-    for (var i = 0; i < 1000; i++) {
-      var uuid = Blockly.utils.genUid();
+  test('genUid', function () {
+    const uuids = {};
+    chai.assert.equal([1, 2, 3].indexOf(4), -1);
+    for (let i = 0; i < 1000; i++) {
+      const uuid = Blockly.utils.idGenerator.genUid();
       chai.assert.isFalse(uuid in uuids, 'UUID different: ' + uuid);
       uuids[uuid] = true;
     }
   });
 
-  suite('tokenizeInterpolation', function() {
-    test('Basic', function() {
-      var tokens = Blockly.utils.tokenizeInterpolation('');
-      chai.assert.deepEqual(tokens, [], 'Null interpolation');
-
-      tokens = Blockly.utils.tokenizeInterpolation('Hello');
-      chai.assert.deepEqual(tokens, ['Hello'], 'No interpolation');
-
-      tokens = Blockly.utils.tokenizeInterpolation('Hello%World');
-      chai.assert.deepEqual(tokens, ['Hello%World'], 'Unescaped %.');
-
-      tokens = Blockly.utils.tokenizeInterpolation('Hello%%World');
-      chai.assert.deepEqual(tokens, ['Hello%World'], 'Escaped %.');
-
-      tokens = Blockly.utils.tokenizeInterpolation('Hello %1 World');
-      chai.assert.deepEqual(tokens, ['Hello ', 1, ' World'], 'Interpolation.');
-
-      tokens = Blockly.utils.tokenizeInterpolation('%123Hello%456World%789');
-      chai.assert.deepEqual(tokens, [123, 'Hello', 456, 'World', 789], 'Interpolations.');
-
-      tokens = Blockly.utils.tokenizeInterpolation('%%%x%%0%00%01%');
-      chai.assert.deepEqual(tokens, ['%%x%0', 0, 1, '%'], 'Torture interpolations.');
+  suite('tokenizeInterpolation', function () {
+    suite('Basic', function () {
+      test('Empty string', function () {
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation(''),
+          [],
+        );
+      });
+
+      test('No interpolation', function () {
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('Hello'),
+          ['Hello'],
+        );
+      });
+
+      test('Unescaped %', function () {
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('Hello%World'),
+          ['Hello%World'],
+        );
+      });
+
+      test('Escaped %', function () {
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('Hello%%World'),
+          ['Hello%World'],
+        );
+      });
+
+      test('Newlines are tokenized', function () {
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('Hello\nWorld'),
+          ['Hello', '\n', 'World'],
+        );
+      });
     });
 
-    test('String table', function() {
-      Blockly.Msg = Blockly.Msg || {};
-      Blockly.Msg.STRING_REF = 'test string';
-      var tokens = Blockly.utils.tokenizeInterpolation('%{bky_string_ref}');
-      chai.assert.deepEqual(tokens, ['test string'], 'String table reference, lowercase');
-      tokens = Blockly.utils.tokenizeInterpolation('%{BKY_STRING_REF}');
-      chai.assert.deepEqual(tokens, ['test string'], 'String table reference, uppercase');
-
-      Blockly.Msg.WITH_PARAM = 'before %1 after';
-      tokens = Blockly.utils.tokenizeInterpolation('%{bky_with_param}');
-      chai.assert.deepEqual(tokens, ['before ', 1, ' after'], 'String table reference, with parameter');
-
-      Blockly.Msg.RECURSE = 'before %{bky_string_ref} after';
-      tokens = Blockly.utils.tokenizeInterpolation('%{bky_recurse}');
-      chai.assert.deepEqual(tokens, ['before test string after'], 'String table reference, with subreference');
+    suite('Number interpolation', function () {
+      test('Single-digit number interpolation', function () {
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('Hello%1World'),
+          ['Hello', 1, 'World'],
+        );
+      });
+
+      test('Multi-digit number interpolation', function () {
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('%123Hello%456World%789'),
+          [123, 'Hello', 456, 'World', 789],
+        );
+      });
+
+      test('Escaped number', function () {
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('Hello %%1 World'),
+          ['Hello %1 World'],
+        );
+      });
+
+      test('Crazy interpolation', function () {
+        // No idea what this is supposed to tell you if it breaks. But might
+        // as well keep it.
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('%%%x%%0%00%01%'),
+          ['%%x%0', 0, 1, '%'],
+        );
+      });
     });
 
-    test('Error cases', function() {
-      var tokens = Blockly.utils.tokenizeInterpolation('%{bky_undefined}');
-      chai.assert.deepEqual(tokens, ['%{bky_undefined}'], 'Undefined string table reference');
-
-      Blockly.Msg['1'] = 'Will not match';
-      tokens = Blockly.utils.tokenizeInterpolation('before %{1} after');
-      chai.assert.deepEqual(tokens, ['before %{1} after'], 'Invalid initial digit in string table reference');
-
-      Blockly.Msg['TWO WORDS'] = 'Will not match';
-      tokens = Blockly.utils.tokenizeInterpolation('before %{two words} after');
-      chai.assert.deepEqual(tokens, ['before %{two words} after'], 'Invalid character in string table reference: space');
-
-      Blockly.Msg['TWO-WORDS'] = 'Will not match';
-      tokens = Blockly.utils.tokenizeInterpolation('before %{two-words} after');
-      chai.assert.deepEqual(tokens, ['before %{two-words} after'], 'Invalid character in string table reference: dash');
-
-      Blockly.Msg['TWO.WORDS'] = 'Will not match';
-      tokens = Blockly.utils.tokenizeInterpolation('before %{two.words} after');
-      chai.assert.deepEqual(tokens, ['before %{two.words} after'], 'Invalid character in string table reference: period');
-
-      Blockly.Msg['AB&C'] = 'Will not match';
-      tokens = Blockly.utils.tokenizeInterpolation('before %{ab&c} after');
-      chai.assert.deepEqual(tokens, ['before %{ab&c} after'], 'Invalid character in string table reference: &');
-
-      Blockly.Msg['UNCLOSED'] = 'Will not match';
-      tokens = Blockly.utils.tokenizeInterpolation('before %{unclosed');
-      chai.assert.deepEqual(tokens, ['before %{unclosed'], 'String table reference, with parameter');
+    suite('String table interpolation', function () {
+      test('Simple interpolation', function () {
+        Blockly.Msg.STRING_REF = 'test string';
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('%{bky_string_ref}'),
+          ['test string'],
+        );
+      });
+
+      test('Case', function () {
+        Blockly.Msg.STRING_REF = 'test string';
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('%{BkY_StRiNg_ReF}'),
+          ['test string'],
+        );
+      });
+
+      test('Surrounding text', function () {
+        Blockly.Msg.STRING_REF = 'test string';
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation(
+            'before %{bky_string_ref} after',
+          ),
+          ['before test string after'],
+        );
+      });
+
+      test('With param', function () {
+        Blockly.Msg.WITH_PARAM = 'before %1 after';
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('%{bky_with_param}'),
+          ['before ', 1, ' after'],
+        );
+      });
+
+      test('Recursive reference', function () {
+        Blockly.Msg.STRING_REF = 'test string';
+        Blockly.Msg.RECURSE = 'before %{bky_string_ref} after';
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('%{bky_recurse}'),
+          ['before test string after'],
+        );
+      });
+
+      test('Number reference', function () {
+        Blockly.Msg['1'] = 'test string';
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('%{bky_1}'),
+          ['test string'],
+        );
+      });
+
+      test('Undefined reference', function () {
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('%{bky_undefined}'),
+          ['%{bky_undefined}'],
+        );
+      });
+
+      test('Not prefixed', function () {
+        Blockly.Msg.STRING_REF = 'test string';
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('%{string_ref}'),
+          ['%{string_ref}'],
+        );
+      });
+
+      test('Not prefixed, number', function () {
+        Blockly.Msg['1'] = 'test string';
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('%{1}'),
+          ['%{1}'],
+        );
+      });
+
+      test('Space in ref', function () {
+        Blockly.Msg['string ref'] = 'test string';
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('%{bky_string ref}'),
+          ['%{bky_string ref}'],
+        );
+      });
+
+      test('Dash in ref', function () {
+        Blockly.Msg['string-ref'] = 'test string';
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('%{bky_string-ref}'),
+          ['%{bky_string-ref}'],
+        );
+      });
+
+      test('Period in ref', function () {
+        Blockly.Msg['string.ref'] = 'test string';
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('%{bky_string.ref}'),
+          ['%{bky_string.ref}'],
+        );
+      });
+
+      test('Ampersand in ref', function () {
+        Blockly.Msg['string&ref'] = 'test string';
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('%{bky_string&ref}'),
+          ['%{bky_string&ref}'],
+        );
+      });
+
+      test('Unclosed reference', function () {
+        Blockly.Msg.UNCLOSED = 'test string';
+        chai.assert.deepEqual(
+          Blockly.utils.parsing.tokenizeInterpolation('%{bky_unclosed'),
+          ['%{bky_unclosed'],
+        );
+      });
     });
   });
 
-  test('replaceMessageReferences', function() {
-    Blockly.Msg = Blockly.Msg || {};
+  test('replaceMessageReferences', function () {
     Blockly.Msg.STRING_REF = 'test string';
     Blockly.Msg.SUBREF = 'subref';
     Blockly.Msg.STRING_REF_WITH_ARG = 'test %1 string';
     Blockly.Msg.STRING_REF_WITH_SUBREF = 'test %{bky_subref} string';
 
-    var resultString = Blockly.utils.replaceMessageReferences('');
+    let resultString = Blockly.utils.parsing.replaceMessageReferences('');
     chai.assert.equal(resultString, '', 'Empty string produces empty string');
 
-    resultString = Blockly.utils.replaceMessageReferences('%%');
+    resultString = Blockly.utils.parsing.replaceMessageReferences('%%');
     chai.assert.equal(resultString, '%', 'Escaped %');
-    resultString = Blockly.utils.replaceMessageReferences('%%{bky_string_ref}');
+    resultString =
+      Blockly.utils.parsing.replaceMessageReferences('%%{bky_string_ref}');
     chai.assert.equal(resultString, '%{bky_string_ref}', 'Escaped %');
 
-    resultString = Blockly.utils.replaceMessageReferences('%a');
-    chai.assert.equal(resultString, '%a', 'Unrecognized % escape code treated as literal');
-
-    resultString = Blockly.utils.replaceMessageReferences('%1');
+    resultString = Blockly.utils.parsing.replaceMessageReferences('%a');
+    chai.assert.equal(
+      resultString,
+      '%a',
+      'Unrecognized % escape code treated as literal',
+    );
+
+    resultString =
+      Blockly.utils.parsing.replaceMessageReferences('Hello\nWorld');
+    chai.assert.equal(
+      resultString,
+      'Hello\nWorld',
+      'Newlines are not tokenized',
+    );
+
+    resultString = Blockly.utils.parsing.replaceMessageReferences('%1');
     chai.assert.equal(resultString, '%1', 'Interpolation tokens ignored.');
-    resultString = Blockly.utils.replaceMessageReferences('%1 %2');
+    resultString = Blockly.utils.parsing.replaceMessageReferences('%1 %2');
     chai.assert.equal(resultString, '%1 %2', 'Interpolation tokens ignored.');
-    resultString = Blockly.utils.replaceMessageReferences('before %1 after');
-    chai.assert.equal(resultString, 'before %1 after', 'Interpolation tokens ignored.');
+    resultString =
+      Blockly.utils.parsing.replaceMessageReferences('before %1 after');
+    chai.assert.equal(
+      resultString,
+      'before %1 after',
+      'Interpolation tokens ignored.',
+    );
 
     // Blockly.Msg.STRING_REF cases:
-    resultString = Blockly.utils.replaceMessageReferences('%{bky_string_ref}');
+    resultString =
+      Blockly.utils.parsing.replaceMessageReferences('%{bky_string_ref}');
     chai.assert.equal(resultString, 'test string', 'Message ref dereferenced.');
-    resultString = Blockly.utils.replaceMessageReferences('before %{bky_string_ref} after');
-    chai.assert.equal(resultString, 'before test string after', 'Message ref dereferenced.');
+    resultString = Blockly.utils.parsing.replaceMessageReferences(
+      'before %{bky_string_ref} after',
+    );
+    chai.assert.equal(
+      resultString,
+      'before test string after',
+      'Message ref dereferenced.',
+    );
 
     // Blockly.Msg.STRING_REF_WITH_ARG cases:
-    resultString = Blockly.utils.replaceMessageReferences('%{bky_string_ref_with_arg}');
-    chai.assert.equal(resultString, 'test %1 string', 'Message ref dereferenced with argument preserved.');
-    resultString = Blockly.utils.replaceMessageReferences('before %{bky_string_ref_with_arg} after');
-    chai.assert.equal(resultString, 'before test %1 string after', 'Message ref dereferenced with argument preserved.');
+    resultString = Blockly.utils.parsing.replaceMessageReferences(
+      '%{bky_string_ref_with_arg}',
+    );
+    chai.assert.equal(
+      resultString,
+      'test %1 string',
+      'Message ref dereferenced with argument preserved.',
+    );
+    resultString = Blockly.utils.parsing.replaceMessageReferences(
+      'before %{bky_string_ref_with_arg} after',
+    );
+    chai.assert.equal(
+      resultString,
+      'before test %1 string after',
+      'Message ref dereferenced with argument preserved.',
+    );
 
     // Blockly.Msg.STRING_REF_WITH_SUBREF cases:
-    resultString = Blockly.utils.replaceMessageReferences('%{bky_string_ref_with_subref}');
-    chai.assert.equal(resultString, 'test subref string', 'Message ref and subref dereferenced.');
-    resultString = Blockly.utils.replaceMessageReferences('before %{bky_string_ref_with_subref} after');
-    chai.assert.equal(resultString, 'before test subref string after', 'Message ref and subref dereferenced.');
+    resultString = Blockly.utils.parsing.replaceMessageReferences(
+      '%{bky_string_ref_with_subref}',
+    );
+    chai.assert.equal(
+      resultString,
+      'test subref string',
+      'Message ref and subref dereferenced.',
+    );
+    resultString = Blockly.utils.parsing.replaceMessageReferences(
+      'before %{bky_string_ref_with_subref} after',
+    );
+    chai.assert.equal(
+      resultString,
+      'before test subref string after',
+      'Message ref and subref dereferenced.',
+    );
   });
 
-  test('arrayRemove', function() {
-    var arr = [1, 2, 3, 2];
-    chai.assert.isFalse(Blockly.utils.arrayRemove(arr, 0), 'Remove Not found');
-    chai.assert.equal(arr.join(','), '1,2,3,2', 'Remove Not found result');
-    chai.assert.isTrue(Blockly.utils.arrayRemove(arr, 2), 'Remove item');
-    chai.assert.equal(arr.join(','), '1,3,2', 'Remove item result');
-    chai.assert.isTrue(Blockly.utils.arrayRemove(arr, 2), 'Remove item again');
-    chai.assert.equal(arr.join(','), '1,3', 'Remove item again result');
-  });
-
-  test('XY_REGEX_', function() {
-    var regex = Blockly.utils.getRelativeXY.XY_REGEX_;
-    var m;
+  test('XY_REGEX_', function () {
+    const regex = Blockly.utils.svgMath.TEST_ONLY.XY_REGEX;
+    let m;
     m = 'INVALID'.match(regex);
     chai.assert.isNull(m);
 
@@ -170,13 +329,21 @@ suite('Utils', function() {
     chai.assert.equal(m[3], '16', 'translate(15 16), y');
 
     m = 'translate(1.23456e+42 0.123456e-42)'.match(regex);
-    chai.assert.equal(m[1], '1.23456e+42', 'translate(1.23456e+42 0.123456e-42), x');
-    chai.assert.equal(m[3], '0.123456e-42', 'translate(1.23456e+42 0.123456e-42), y');
+    chai.assert.equal(
+      m[1],
+      '1.23456e+42',
+      'translate(1.23456e+42 0.123456e-42), x',
+    );
+    chai.assert.equal(
+      m[3],
+      '0.123456e-42',
+      'translate(1.23456e+42 0.123456e-42), y',
+    );
   });
 
-  test('XY_STYLE_REGEX_', function() {
-    var regex = Blockly.utils.getRelativeXY.XY_STYLE_REGEX_;
-    var m;
+  test('XY_STYLE_REGEX_', function () {
+    const regex = Blockly.utils.svgMath.TEST_ONLY.XY_STYLE_REGEX;
+    let m;
     m = 'INVALID'.match(regex);
     chai.assert.isNull(m);
 
@@ -201,8 +368,16 @@ suite('Utils', function() {
     chai.assert.equal(m[3], '16', 'transform: translate(15px 16px), y');
 
     m = 'transform: translate(1.23456e+42px 0.123456e-42px)'.match(regex);
-    chai.assert.equal(m[1], '1.23456e+42', 'transform: translate(1.23456e+42px 0.123456e-42px), x');
-    chai.assert.equal(m[3], '0.123456e-42', 'transform: translate(1.23456e+42px 0.123456e-42px), y');
+    chai.assert.equal(
+      m[1],
+      '1.23456e+42',
+      'transform: translate(1.23456e+42px 0.123456e-42px), x',
+    );
+    chai.assert.equal(
+      m[3],
+      '0.123456e-42',
+      'transform: translate(1.23456e+42px 0.123456e-42px), y',
+    );
 
     m = 'transform:translate3d(20px, 21px, 22px)'.match(regex);
     chai.assert.equal(m[1], '20', 'transform:translate3d(20px, 21px, 22px), x');
@@ -217,13 +392,21 @@ suite('Utils', function() {
     chai.assert.equal(m[3], '27', 'transform:translate3d(26px 27px 28px), y');
 
     m = 'transform:translate3d(1.23456e+42px 0.123456e-42px 42px)'.match(regex);
-    chai.assert.equal(m[1], '1.23456e+42', 'transform:translate3d(1.23456e+42px 0.123456e-42px 42px), x');
-    chai.assert.equal(m[3], '0.123456e-42', 'transform:translate3d(1.23456e+42px 0.123456e-42px 42px), y');
+    chai.assert.equal(
+      m[1],
+      '1.23456e+42',
+      'transform:translate3d(1.23456e+42px 0.123456e-42px 42px), x',
+    );
+    chai.assert.equal(
+      m[3],
+      '0.123456e-42',
+      'transform:translate3d(1.23456e+42px 0.123456e-42px 42px), y',
+    );
   });
 
-  suite('DOM', function() {
-    test('addClass', function() {
-      var p = document.createElement('p');
+  suite('DOM', function () {
+    test('addClass', function () {
+      const p = document.createElement('p');
       Blockly.utils.dom.addClass(p, 'one');
       chai.assert.equal(p.className, 'one', 'Adding "one"');
       Blockly.utils.dom.addClass(p, 'one');
@@ -236,23 +419,26 @@ suite('Utils', function() {
       chai.assert.equal(p.className, 'one two three', 'Adding "three"');
     });
 
-    test('hasClass', function() {
-      var p = document.createElement('p');
+    test('hasClass', function () {
+      const p = document.createElement('p');
       p.className = ' one three  two three  ';
       chai.assert.isTrue(Blockly.utils.dom.hasClass(p, 'one'), 'Has "one"');
       chai.assert.isTrue(Blockly.utils.dom.hasClass(p, 'two'), 'Has "two"');
       chai.assert.isTrue(Blockly.utils.dom.hasClass(p, 'three'), 'Has "three"');
-      chai.assert.isFalse(Blockly.utils.dom.hasClass(p, 'four'), 'Has no "four"');
+      chai.assert.isFalse(
+        Blockly.utils.dom.hasClass(p, 'four'),
+        'Has no "four"',
+      );
       chai.assert.isFalse(Blockly.utils.dom.hasClass(p, 't'), 'Has no "t"');
     });
 
-    test('removeClass', function() {
-      var p = document.createElement('p');
+    test('removeClass', function () {
+      const p = document.createElement('p');
       p.className = ' one three  two three  ';
       Blockly.utils.dom.removeClass(p, 'two');
-      chai.assert.equal(p.className, 'one three three', 'Removing "two"');
+      chai.assert.equal(p.className, 'one three', 'Removing "two"');
       Blockly.utils.dom.removeClass(p, 'four');
-      chai.assert.equal(p.className, 'one three three', 'Removing "four"');
+      chai.assert.equal(p.className, 'one three', 'Removing "four"');
       Blockly.utils.dom.removeClass(p, 'three');
       chai.assert.equal(p.className, 'one', 'Removing "three"');
       Blockly.utils.dom.removeClass(p, 'ne');
@@ -264,18 +450,15 @@ suite('Utils', function() {
     });
   });
 
-  suite('String', function() {
-    test('starts with', function() {
-      chai.assert.isFalse(Blockly.utils.string.startsWith('123', '2'), 'Does not start with');
-      chai.assert.isTrue(Blockly.utils.string.startsWith('123', '12'), 'Start with');
-      chai.assert.isTrue(Blockly.utils.string.startsWith('123', ''), 'Start with empty string 1');
-      chai.assert.isTrue(Blockly.utils.string.startsWith('', ''), 'Start with empty string 12');
-    });
-
-    test('shortest string length', function() {
-      var len = Blockly.utils.string.shortestStringLength('one,two,three,four,five'.split(','));
+  suite('String', function () {
+    test('shortest string length', function () {
+      let len = Blockly.utils.string.shortestStringLength(
+        'one,two,three,four,five'.split(','),
+      );
       chai.assert.equal(len, 3, 'Length of "one"');
-      len = Blockly.utils.string.shortestStringLength('one,two,three,four,five,'.split(','));
+      len = Blockly.utils.string.shortestStringLength(
+        'one,two,three,four,five,'.split(','),
+      );
       chai.assert.equal(len, 0, 'Length of ""');
       len = Blockly.utils.string.shortestStringLength(['Hello World']);
       chai.assert.equal(len, 11, 'List of one');
@@ -283,12 +466,18 @@ suite('Utils', function() {
       chai.assert.equal(len, 0, 'Empty list');
     });
 
-    test('comment word prefix', function() {
-      var len = Blockly.utils.string.commonWordPrefix('one,two,three,four,five'.split(','));
+    test('comment word prefix', function () {
+      let len = Blockly.utils.string.commonWordPrefix(
+        'one,two,three,four,five'.split(','),
+      );
       chai.assert.equal(len, 0, 'No prefix');
-      len = Blockly.utils.string.commonWordPrefix('Xone,Xtwo,Xthree,Xfour,Xfive'.split(','));
+      len = Blockly.utils.string.commonWordPrefix(
+        'Xone,Xtwo,Xthree,Xfour,Xfive'.split(','),
+      );
       chai.assert.equal(len, 0, 'No word prefix');
-      len = Blockly.utils.string.commonWordPrefix('abc de,abc de,abc de,abc de'.split(','));
+      len = Blockly.utils.string.commonWordPrefix(
+        'abc de,abc de,abc de,abc de'.split(','),
+      );
       chai.assert.equal(len, 6, 'Full equality');
       len = Blockly.utils.string.commonWordPrefix('abc deX,abc deY'.split(','));
       chai.assert.equal(len, 4, 'One word prefix');
@@ -300,18 +489,28 @@ suite('Utils', function() {
       chai.assert.equal(len, 11, 'List of one');
       len = Blockly.utils.string.commonWordPrefix([]);
       chai.assert.equal(len, 0, 'Empty list');
-      len = Blockly.utils.string.commonWordPrefix('turn&nbsp;left,turn&nbsp;right'.split(','));
+      len = Blockly.utils.string.commonWordPrefix(
+        'turn&nbsp;left,turn&nbsp;right'.split(','),
+      );
       chai.assert.equal(len, 0, 'No prefix due to &amp;nbsp;');
-      len = Blockly.utils.string.commonWordPrefix('turn\u00A0left,turn\u00A0right'.split(','));
+      len = Blockly.utils.string.commonWordPrefix(
+        'turn\u00A0left,turn\u00A0right'.split(','),
+      );
       chai.assert.equal(len, 0, 'No prefix due to \\u00A0');
     });
 
-    test('comment word suffix', function() {
-      var len = Blockly.utils.string.commonWordSuffix('one,two,three,four,five'.split(','));
+    test('comment word suffix', function () {
+      let len = Blockly.utils.string.commonWordSuffix(
+        'one,two,three,four,five'.split(','),
+      );
       chai.assert.equal(len, 0, 'No suffix');
-      len = Blockly.utils.string.commonWordSuffix('oneX,twoX,threeX,fourX,fiveX'.split(','));
+      len = Blockly.utils.string.commonWordSuffix(
+        'oneX,twoX,threeX,fourX,fiveX'.split(','),
+      );
       chai.assert.equal(len, 0, 'No word suffix');
-      len = Blockly.utils.string.commonWordSuffix('abc de,abc de,abc de,abc de'.split(','));
+      len = Blockly.utils.string.commonWordSuffix(
+        'abc de,abc de,abc de,abc de'.split(','),
+      );
       chai.assert.equal(len, 6, 'Full equality');
       len = Blockly.utils.string.commonWordSuffix('Xabc de,Yabc de'.split(','));
       chai.assert.equal(len, 3, 'One word suffix');
@@ -326,27 +525,35 @@ suite('Utils', function() {
     });
   });
 
-  suite('Math', function() {
-    test('toRadians', function() {
-      var quarter = Math.PI / 2;
+  suite('Math', function () {
+    test('toRadians', function () {
+      const quarter = Math.PI / 2;
       chai.assert.equal(Blockly.utils.math.toRadians(-90), -quarter, '-90');
       chai.assert.equal(Blockly.utils.math.toRadians(0), 0, '0');
       chai.assert.equal(Blockly.utils.math.toRadians(90), quarter, '90');
       chai.assert.equal(Blockly.utils.math.toRadians(180), 2 * quarter, '180');
       chai.assert.equal(Blockly.utils.math.toRadians(270), 3 * quarter, '270');
       chai.assert.equal(Blockly.utils.math.toRadians(360), 4 * quarter, '360');
-      chai.assert.equal(Blockly.utils.math.toRadians(360 + 90), 5 * quarter, '450');
+      chai.assert.equal(
+        Blockly.utils.math.toRadians(360 + 90),
+        5 * quarter,
+        '450',
+      );
     });
 
-    test('toDegrees', function() {
-      var quarter = Math.PI / 2;
+    test('toDegrees', function () {
+      const quarter = Math.PI / 2;
       chai.assert.equal(Blockly.utils.math.toDegrees(-quarter), -90, '-90');
       chai.assert.equal(Blockly.utils.math.toDegrees(0), 0, '0');
       chai.assert.equal(Blockly.utils.math.toDegrees(quarter), 90, '90');
       chai.assert.equal(Blockly.utils.math.toDegrees(2 * quarter), 180, '180');
       chai.assert.equal(Blockly.utils.math.toDegrees(3 * quarter), 270, '270');
       chai.assert.equal(Blockly.utils.math.toDegrees(4 * quarter), 360, '360');
-      chai.assert.equal(Blockly.utils.math.toDegrees(5 * quarter), 360 + 90, '450');
+      chai.assert.equal(
+        Blockly.utils.math.toDegrees(5 * quarter),
+        360 + 90,
+        '450',
+      );
     });
   });
 });
diff --git a/tests/mocha/variable_map_test.js b/tests/mocha/variable_map_test.js
index 35078f17f8e..bb93c92d60d 100644
--- a/tests/mocha/variable_map_test.js
+++ b/tests/mocha/variable_map_test.js
@@ -4,84 +4,96 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Variable Map', function() {
-  setup(function() {
+import {assertVariableValues} from './test_helpers/variables.js';
+import {
+  createGenUidStubWithReturns,
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {
+  assertEventFired,
+  assertEventNotFired,
+  createChangeListenerSpy,
+} from './test_helpers/events.js';
+
+suite('Variable Map', function () {
+  setup(function () {
     sharedTestSetup.call(this);
     this.workspace = new Blockly.Workspace();
     this.variableMap = new Blockly.VariableMap(this.workspace);
   });
 
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  suite('createVariable', function() {
-    test('Trivial', function() {
+  suite('createVariable', function () {
+    test('Trivial', function () {
       this.variableMap.createVariable('name1', 'type1', 'id1');
       assertVariableValues(this.variableMap, 'name1', 'type1', 'id1');
     });
 
-    test('Already exists', function() {
-      // Expect that when the variable already exists, the variableMap_ is unchanged.
+    test('Already exists', function () {
+      // Expect that when the variable already exists, the variableMap is unchanged.
       this.variableMap.createVariable('name1', 'type1', 'id1');
 
       // Assert there is only one variable in the this.variableMap.
-      var keys = Object.keys(this.variableMap.variableMap_);
+      let keys = Array.from(this.variableMap.variableMap.keys());
       chai.assert.equal(keys.length, 1);
-      var varMapLength = this.variableMap.variableMap_[keys[0]].length;
+      let varMapLength = this.variableMap.variableMap.get(keys[0]).length;
       chai.assert.equal(varMapLength, 1);
 
       this.variableMap.createVariable('name1', 'type1');
       assertVariableValues(this.variableMap, 'name1', 'type1', 'id1');
-      // Check that the size of the variableMap_ did not change.
-      keys = Object.keys(this.variableMap.variableMap_);
+      // Check that the size of the variableMap did not change.
+      keys = Array.from(this.variableMap.variableMap.keys());
       chai.assert.equal(keys.length, 1);
-      varMapLength = this.variableMap.variableMap_[keys[0]].length;
+      varMapLength = this.variableMap.variableMap.get(keys[0]).length;
       chai.assert.equal(varMapLength, 1);
     });
 
-    test('Name already exists', function() {
+    test('Name already exists', function () {
       // Expect that when a variable with the same name but a different type already
       // exists, the new variable is created.
       this.variableMap.createVariable('name1', 'type1', 'id1');
 
       // Assert there is only one variable in the this.variableMap.
-      var keys = Object.keys(this.variableMap.variableMap_);
+      let keys = Array.from(this.variableMap.variableMap.keys());
       chai.assert.equal(keys.length, 1);
-      var varMapLength = this.variableMap.variableMap_[keys[0]].length;
+      const varMapLength = this.variableMap.variableMap.get(keys[0]).length;
       chai.assert.equal(varMapLength, 1);
 
       this.variableMap.createVariable('name1', 'type2', 'id2');
       assertVariableValues(this.variableMap, 'name1', 'type1', 'id1');
       assertVariableValues(this.variableMap, 'name1', 'type2', 'id2');
-      // Check that the size of the variableMap_ did change.
-      keys = Object.keys(this.variableMap.variableMap_);
+      // Check that the size of the variableMap did change.
+      keys = Array.from(this.variableMap.variableMap.keys());
       chai.assert.equal(keys.length, 2);
     });
 
-    test('Null type', function() {
+    test('Null type', function () {
       this.variableMap.createVariable('name1', null, 'id1');
       assertVariableValues(this.variableMap, 'name1', '', 'id1');
     });
 
-    test('Undefined type', function() {
+    test('Undefined type', function () {
       this.variableMap.createVariable('name2', undefined, 'id2');
       assertVariableValues(this.variableMap, 'name2', '', 'id2');
     });
 
-    test('Null id', function() {
+    test('Null id', function () {
       createGenUidStubWithReturns('1');
       this.variableMap.createVariable('name1', 'type1', null);
       assertVariableValues(this.variableMap, 'name1', 'type1', '1');
     });
 
-    test('Undefined id', function() {
+    test('Undefined id', function () {
       createGenUidStubWithReturns('1');
       this.variableMap.createVariable('name1', 'type1', undefined);
       assertVariableValues(this.variableMap, 'name1', 'type1', '1');
     });
 
-    test('Two variables same type', function() {
+    test('Two variables same type', function () {
       this.variableMap.createVariable('name1', 'type1', 'id1');
       this.variableMap.createVariable('name2', 'type1', 'id2');
 
@@ -89,7 +101,7 @@ suite('Variable Map', function() {
       assertVariableValues(this.variableMap, 'name2', 'type1', 'id2');
     });
 
-    test('Two variables same name', function() {
+    test('Two variables same name', function () {
       this.variableMap.createVariable('name1', 'type1', 'id1');
       this.variableMap.createVariable('name1', 'type2', 'id2');
 
@@ -97,29 +109,29 @@ suite('Variable Map', function() {
       assertVariableValues(this.variableMap, 'name1', 'type2', 'id2');
     });
 
-    suite('Error cases', function() {
-      test('Id already exists', function() {
+    suite('Error cases', function () {
+      test('Id already exists', function () {
         this.variableMap.createVariable('name1', 'type1', 'id1');
-        var variableMap = this.variableMap;
-        chai.assert.throws(function() {
+        const variableMap = this.variableMap;
+        chai.assert.throws(function () {
           variableMap.createVariable('name2', 'type2', 'id1');
         }, /"id1".*in use/);
         assertVariableValues(this.variableMap, 'name1', 'type1', 'id1');
       });
 
-      test('Mismatched id', function() {
+      test('Mismatched id', function () {
         this.variableMap.createVariable('name1', 'type1', 'id1');
-        var variableMap = this.variableMap;
-        chai.assert.throws(function() {
+        const variableMap = this.variableMap;
+        chai.assert.throws(function () {
           variableMap.createVariable('name1', 'type1', 'id2');
         }, /"name1".*in use/);
         assertVariableValues(this.variableMap, 'name1', 'type1', 'id1');
       });
 
-      test('Mismatched type', function() {
+      test('Mismatched type', function () {
         this.variableMap.createVariable('name1', 'type1', 'id1');
-        var variableMap = this.variableMap;
-        chai.assert.throws(function() {
+        const variableMap = this.variableMap;
+        chai.assert.throws(function () {
           variableMap.createVariable('name1', 'type2', 'id1');
         });
         assertVariableValues(this.variableMap, 'name1', 'type1', 'id1');
@@ -128,14 +140,14 @@ suite('Variable Map', function() {
     });
   });
 
-  suite('getVariable', function() {
-    test('By name and type', function() {
-      var var1 = this.variableMap.createVariable('name1', 'type1', 'id1');
-      var var2 = this.variableMap.createVariable('name2', 'type1', 'id2');
-      var var3 = this.variableMap.createVariable('name3', 'type2', 'id3');
-      var result1 = this.variableMap.getVariable('name1', 'type1');
-      var result2 = this.variableMap.getVariable('name2', 'type1');
-      var result3 = this.variableMap.getVariable('name3', 'type2');
+  suite('getVariable', function () {
+    test('By name and type', function () {
+      const var1 = this.variableMap.createVariable('name1', 'type1', 'id1');
+      const var2 = this.variableMap.createVariable('name2', 'type1', 'id2');
+      const var3 = this.variableMap.createVariable('name3', 'type2', 'id3');
+      const result1 = this.variableMap.getVariable('name1', 'type1');
+      const result2 = this.variableMap.getVariable('name2', 'type1');
+      const result3 = this.variableMap.getVariable('name3', 'type2');
 
       // Searching by name + type is correct.
       chai.assert.equal(result1, var1);
@@ -148,103 +160,308 @@ suite('Variable Map', function() {
       chai.assert.isNull(this.variableMap.getVariable('name3'));
     });
 
-    test('Not found', function() {
-      var result = this.variableMap.getVariable('name1');
+    test('Not found', function () {
+      const result = this.variableMap.getVariable('name1');
       chai.assert.isNull(result);
     });
   });
 
-  suite('getVariableById', function() {
-    test('Trivial', function() {
-      var var1 = this.variableMap.createVariable('name1', 'type1', 'id1');
-      var var2 = this.variableMap.createVariable('name2', 'type1', 'id2');
-      var var3 = this.variableMap.createVariable('name3', 'type2', 'id3');
-      var result1 = this.variableMap.getVariableById('id1');
-      var result2 = this.variableMap.getVariableById('id2');
-      var result3 = this.variableMap.getVariableById('id3');
+  suite('getVariableById', function () {
+    test('Trivial', function () {
+      const var1 = this.variableMap.createVariable('name1', 'type1', 'id1');
+      const var2 = this.variableMap.createVariable('name2', 'type1', 'id2');
+      const var3 = this.variableMap.createVariable('name3', 'type2', 'id3');
+      const result1 = this.variableMap.getVariableById('id1');
+      const result2 = this.variableMap.getVariableById('id2');
+      const result3 = this.variableMap.getVariableById('id3');
 
       chai.assert.equal(result1, var1);
       chai.assert.equal(result2, var2);
       chai.assert.equal(result3, var3);
     });
 
-    test('Not found', function() {
-      var result = this.variableMap.getVariableById('id1');
+    test('Not found', function () {
+      const result = this.variableMap.getVariableById('id1');
       chai.assert.isNull(result);
     });
   });
 
-  suite('getVariableTypes', function() {
-    test('Trivial', function() {
+  suite('getVariableTypes', function () {
+    test('Trivial', function () {
       this.variableMap.createVariable('name1', 'type1', 'id1');
       this.variableMap.createVariable('name2', 'type1', 'id2');
       this.variableMap.createVariable('name3', 'type2', 'id3');
       this.variableMap.createVariable('name4', 'type3', 'id4');
-      var resultArray = this.variableMap.getVariableTypes();
+      const resultArray = this.variableMap.getVariableTypes();
       // The empty string is always an option.
       chai.assert.deepEqual(resultArray, ['type1', 'type2', 'type3', '']);
     });
 
-    test('None', function() {
+    test('None', function () {
       // The empty string is always an option.
-      var resultArray = this.variableMap.getVariableTypes();
+      const resultArray = this.variableMap.getVariableTypes();
       chai.assert.deepEqual(resultArray, ['']);
     });
   });
 
-  suite('getVariablesOfType', function() {
-    test('Trivial', function() {
-      var var1 = this.variableMap.createVariable('name1', 'type1', 'id1');
-      var var2 = this.variableMap.createVariable('name2', 'type1', 'id2');
+  suite('getVariablesOfType', function () {
+    test('Trivial', function () {
+      const var1 = this.variableMap.createVariable('name1', 'type1', 'id1');
+      const var2 = this.variableMap.createVariable('name2', 'type1', 'id2');
       this.variableMap.createVariable('name3', 'type2', 'id3');
       this.variableMap.createVariable('name4', 'type3', 'id4');
-      var resultArray1 = this.variableMap.getVariablesOfType('type1');
-      var resultArray2 = this.variableMap.getVariablesOfType('type5');
+      const resultArray1 = this.variableMap.getVariablesOfType('type1');
+      const resultArray2 = this.variableMap.getVariablesOfType('type5');
       chai.assert.deepEqual(resultArray1, [var1, var2]);
       chai.assert.deepEqual(resultArray2, []);
     });
 
-    test('Null', function() {
-      var var1 = this.variableMap.createVariable('name1', '', 'id1');
-      var var2 = this.variableMap.createVariable('name2', '', 'id2');
-      var var3 = this.variableMap.createVariable('name3', '', 'id3');
+    test('Null', function () {
+      const var1 = this.variableMap.createVariable('name1', '', 'id1');
+      const var2 = this.variableMap.createVariable('name2', '', 'id2');
+      const var3 = this.variableMap.createVariable('name3', '', 'id3');
       this.variableMap.createVariable('name4', 'type1', 'id4');
-      var resultArray = this.variableMap.getVariablesOfType(null);
+      const resultArray = this.variableMap.getVariablesOfType(null);
       chai.assert.deepEqual(resultArray, [var1, var2, var3]);
     });
 
-    test('Empty string', function() {
-      var var1 = this.variableMap.createVariable('name1', null, 'id1');
-      var var2 = this.variableMap.createVariable('name2', null, 'id2');
-      var resultArray = this.variableMap.getVariablesOfType('');
+    test('Empty string', function () {
+      const var1 = this.variableMap.createVariable('name1', null, 'id1');
+      const var2 = this.variableMap.createVariable('name2', null, 'id2');
+      const resultArray = this.variableMap.getVariablesOfType('');
       chai.assert.deepEqual(resultArray, [var1, var2]);
     });
 
-    test('Deleted', function() {
-      var variable = this.variableMap.createVariable('name1', null, 'id1');
+    test('Deleted', function () {
+      const variable = this.variableMap.createVariable('name1', null, 'id1');
       this.variableMap.deleteVariable(variable);
-      var resultArray = this.variableMap.getVariablesOfType('');
+      const resultArray = this.variableMap.getVariablesOfType('');
       chai.assert.deepEqual(resultArray, []);
     });
 
-    test('Does not exist', function() {
-      var resultArray = this.variableMap.getVariablesOfType('type1');
+    test('Does not exist', function () {
+      const resultArray = this.variableMap.getVariablesOfType('type1');
       chai.assert.deepEqual(resultArray, []);
     });
   });
 
-  suite('getAllVariables', function() {
-    test('Trivial', function() {
-      var var1 = this.variableMap.createVariable('name1', 'type1', 'id1');
-      var var2 = this.variableMap.createVariable('name2', 'type1', 'id2');
-      var var3 = this.variableMap.createVariable('name3', 'type2', 'id3');
-      var resultArray = this.variableMap.getAllVariables();
+  suite('getAllVariables', function () {
+    test('Trivial', function () {
+      const var1 = this.variableMap.createVariable('name1', 'type1', 'id1');
+      const var2 = this.variableMap.createVariable('name2', 'type1', 'id2');
+      const var3 = this.variableMap.createVariable('name3', 'type2', 'id3');
+      const resultArray = this.variableMap.getAllVariables();
       chai.assert.deepEqual(resultArray, [var1, var2, var3]);
     });
 
-    test('None', function() {
-      var resultArray = this.variableMap.getAllVariables();
+    test('None', function () {
+      const resultArray = this.variableMap.getAllVariables();
       chai.assert.deepEqual(resultArray, []);
     });
   });
+
+  suite('event firing', function () {
+    setup(function () {
+      this.eventSpy = createChangeListenerSpy(this.workspace);
+    });
+
+    teardown(function () {
+      this.workspace.removeChangeListener(this.eventSpy);
+    });
+
+    suite('variable create events', function () {
+      test('create events are fired when a variable is created', function () {
+        this.variableMap.createVariable('test name', 'test type', 'test id');
+
+        assertEventFired(
+          this.eventSpy,
+          Blockly.Events.VarCreate,
+          {
+            varType: 'test type',
+            varName: 'test name',
+            varId: 'test id',
+          },
+          this.workspace.id,
+        );
+      });
+
+      test('create events are not fired if a variable is already exists', function () {
+        this.variableMap.createVariable('test name', 'test type', 'test id');
+
+        this.eventSpy.resetHistory();
+        this.variableMap.createVariable('test name', 'test type', 'test id');
+
+        assertEventNotFired(
+          this.eventSpy,
+          Blockly.Events.VarCreate,
+          {},
+          this.workspace.id,
+        );
+      });
+    });
+
+    suite('variable delete events', function () {
+      suite('deleting with a variable', function () {
+        test('delete events are fired when a variable is deleted', function () {
+          const variable = this.variableMap.createVariable(
+            'test name',
+            'test type',
+            'test id',
+          );
+          this.variableMap.deleteVariable(variable);
+
+          assertEventFired(
+            this.eventSpy,
+            Blockly.Events.VarDelete,
+            {
+              varType: 'test type',
+              varName: 'test name',
+              varId: 'test id',
+            },
+            this.workspace.id,
+          );
+        });
+
+        test('delete events are not fired when a variable does not exist', function () {
+          const variable = new Blockly.VariableModel(
+            this.workspace,
+            'test name',
+            'test type',
+            'test id',
+          );
+          this.variableMap.deleteVariable(variable);
+
+          assertEventNotFired(
+            this.eventSpy,
+            Blockly.Events.VarDelete,
+            {},
+            this.workspace.id,
+          );
+        });
+      });
+
+      suite('deleting by ID', function () {
+        test('delete events are fired when a variable is deleted', function () {
+          this.variableMap.createVariable('test name', 'test type', 'test id');
+          this.variableMap.deleteVariableById('test id');
+
+          assertEventFired(
+            this.eventSpy,
+            Blockly.Events.VarDelete,
+            {
+              varType: 'test type',
+              varName: 'test name',
+              varId: 'test id',
+            },
+            this.workspace.id,
+          );
+        });
+
+        test('delete events are not fired when a variable does not exist', function () {
+          this.variableMap.deleteVariableById('test id');
+
+          assertEventNotFired(
+            this.eventSpy,
+            Blockly.Events.VarDelete,
+            {},
+            this.workspace.id,
+          );
+        });
+      });
+    });
+
+    suite('variable rename events', function () {
+      suite('renaming with variable', function () {
+        test('rename events are fired when a variable is renamed', function () {
+          const variable = this.variableMap.createVariable(
+            'test name',
+            'test type',
+            'test id',
+          );
+          this.variableMap.renameVariable(variable, 'new test name');
+
+          assertEventFired(
+            this.eventSpy,
+            Blockly.Events.VarRename,
+            {
+              oldName: 'test name',
+              newName: 'new test name',
+              varId: 'test id',
+            },
+            this.workspace.id,
+          );
+        });
+
+        test('rename events are not fired if the variable name already matches', function () {
+          const variable = this.variableMap.createVariable(
+            'test name',
+            'test type',
+            'test id',
+          );
+          this.variableMap.renameVariable(variable, 'test name');
+
+          assertEventNotFired(
+            this.eventSpy,
+            Blockly.Events.VarRename,
+            {},
+            this.workspace.id,
+          );
+        });
+
+        test('rename events are not fired if the variable does not exist', function () {
+          const variable = new Blockly.VariableModel(
+            'test name',
+            'test type',
+            'test id',
+          );
+          this.variableMap.renameVariable(variable, 'test name');
+
+          assertEventNotFired(
+            this.eventSpy,
+            Blockly.Events.VarRename,
+            {},
+            this.workspace.id,
+          );
+        });
+      });
+
+      suite('renaming by ID', function () {
+        test('rename events are fired when a variable is renamed', function () {
+          this.variableMap.createVariable('test name', 'test type', 'test id');
+          this.variableMap.renameVariableById('test id', 'new test name');
+
+          assertEventFired(
+            this.eventSpy,
+            Blockly.Events.VarRename,
+            {
+              oldName: 'test name',
+              newName: 'new test name',
+              varId: 'test id',
+            },
+            this.workspace.id,
+          );
+        });
+
+        test('rename events are not fired if the variable name already matches', function () {
+          this.variableMap.createVariable('test name', 'test type', 'test id');
+          this.variableMap.renameVariableById('test id', 'test name');
+
+          assertEventNotFired(
+            this.eventSpy,
+            Blockly.Events.VarRename,
+            {},
+            this.workspace.id,
+          );
+        });
+
+        test('renaming throws if the variable does not exist', function () {
+          // Not sure why this throws when the other one doesn't but might
+          // as well test it.
+          chai.assert.throws(() => {
+            this.variableMap.renameVariableById('test id', 'test name');
+          }, `Tried to rename a variable that didn't exist`);
+        });
+      });
+    });
+  });
 });
diff --git a/tests/mocha/variable_model_test.js b/tests/mocha/variable_model_test.js
index 0598da755e6..9888d61210c 100644
--- a/tests/mocha/variable_model_test.js
+++ b/tests/mocha/variable_model_test.js
@@ -4,54 +4,79 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Variable Model', function() {
-  setup(function() {
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('Variable Model', function () {
+  setup(function () {
     sharedTestSetup.call(this);
     this.workspace = new Blockly.Workspace();
   });
 
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  test('Trivial', function() {
-    var variable = new Blockly.VariableModel(
-        this.workspace, 'test', 'test_type', 'test_id');
+  test('Trivial', function () {
+    const variable = new Blockly.VariableModel(
+      this.workspace,
+      'test',
+      'test_type',
+      'test_id',
+    );
     chai.assert.equal(variable.name, 'test');
     chai.assert.equal(variable.type, 'test_type');
     chai.assert.equal(variable.id_, 'test_id');
   });
 
-  test('Null type', function() {
-    var variable = new Blockly.VariableModel(
-        this.workspace, 'test', null, 'test_id');
+  test('Null type', function () {
+    const variable = new Blockly.VariableModel(
+      this.workspace,
+      'test',
+      null,
+      'test_id',
+    );
     chai.assert.equal(variable.type, '');
   });
 
-  test('Undefined type', function() {
-    var variable = new Blockly.VariableModel(
-        this.workspace, 'test', undefined, 'test_id');
+  test('Undefined type', function () {
+    const variable = new Blockly.VariableModel(
+      this.workspace,
+      'test',
+      undefined,
+      'test_id',
+    );
     chai.assert.equal(variable.type, '');
   });
 
-  test('Null id', function() {
-    var variable = new Blockly.VariableModel(
-        this.workspace, 'test', 'test_type', null);
+  test('Null id', function () {
+    const variable = new Blockly.VariableModel(
+      this.workspace,
+      'test',
+      'test_type',
+      null,
+    );
     chai.assert.equal(variable.name, 'test');
     chai.assert.equal(variable.type, 'test_type');
     chai.assert.exists(variable.id_);
   });
 
-  test('Undefined id', function() {
-    var variable = new Blockly.VariableModel(
-        this.workspace, 'test', 'test_type', undefined);
+  test('Undefined id', function () {
+    const variable = new Blockly.VariableModel(
+      this.workspace,
+      'test',
+      'test_type',
+      undefined,
+    );
     chai.assert.equal(variable.name, 'test');
     chai.assert.equal(variable.type, 'test_type');
     chai.assert.exists(variable.id_);
   });
 
-  test('Only name provided', function() {
-    var variable = new Blockly.VariableModel(this.workspace, 'test');
+  test('Only name provided', function () {
+    const variable = new Blockly.VariableModel(this.workspace, 'test');
     chai.assert.equal(variable.name, 'test');
     chai.assert.equal(variable.type, '');
     chai.assert.exists(variable.id_);
diff --git a/tests/mocha/variables_test.js b/tests/mocha/variables_test.js
deleted file mode 100644
index 2ed765cdb10..00000000000
--- a/tests/mocha/variables_test.js
+++ /dev/null
@@ -1,137 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-suite('Variables', function() {
-  setup(function() {
-    sharedTestSetup.call(this);
-    this.workspace = new Blockly.Workspace();
-    Blockly.defineBlocksWithJsonArray([{
-      "type": "get_var_block",
-      "message0": "%1",
-      "args0": [
-        {
-          "type": "field_variable",
-          "name": "VAR",
-          "variableTypes": ["", "type1", "type2"]
-        }
-      ]
-    }]);
-    this.workspace.createVariable('foo', 'type1', '1');
-    this.workspace.createVariable('bar', 'type1', '2');
-    this.workspace.createVariable('baz', 'type1', '3');
-  });
-
-  teardown(function() {
-    sharedTestTeardown.call(this);
-  });
-
-  /**
-   * Create a test get_var_block.
-   * Will fail if get_var_block isn't defined.
-   * @param {!Blockly.Workspace} workspace The workspace on which to create the
-   *     block.
-   * @param {!string} variable_id The id of the variable to reference.
-   * @return {!Blockly.Block} The created block.
-   */
-  function createTestVarBlock(workspace, variable_id) {
-    // Turn off events to avoid testing XML at the same time.
-    Blockly.Events.disable();
-    var block = new Blockly.Block(workspace, 'get_var_block');
-    block.inputList[0].fieldRow[0].setValue(variable_id);
-    Blockly.Events.enable();
-    return block;
-  }
-
-  suite('allUsedVarModels', function() {
-    test('All used', function() {
-      createTestVarBlock(this.workspace, '1');
-      createTestVarBlock(this.workspace, '2');
-      createTestVarBlock(this.workspace, '3');
-
-      var result = Blockly.Variables.allUsedVarModels(this.workspace);
-      chai.assert.equal(result.length, 3,
-          'Expected three variables in the list of used variables');
-    });
-
-    test('Some unused', function() {
-      createTestVarBlock(this.workspace, '2');
-
-      var result = Blockly.Variables.allUsedVarModels(this.workspace);
-      chai.assert.equal(result.length, 1,
-          'Expected one variable in the list of used variables');
-      chai.assert.equal(result[0].getId(), '2',
-          'Expected variable with ID 2 in the list of used variables');
-    });
-
-    test('Var used twice', function() {
-      createTestVarBlock(this.workspace, '2');
-      createTestVarBlock(this.workspace, '2');
-
-      var result = Blockly.Variables.allUsedVarModels(this.workspace);
-      // Using the same variable multiple times should not change the number of
-      // elements in the list.
-      chai.assert.equal(result.length, 1,
-          'Expected one variable in the list of used variables');
-      chai.assert.equal(result[0].getId(), '2',
-          'Expected variable with ID 2 in the list of used variables');
-    });
-
-    test('All unused', function() {
-      var result = Blockly.Variables.allUsedVarModels(this.workspace);
-      chai.assert.equal(result.length, 0,
-          'Expected no variables in the list of used variables');
-    });
-  });
-
-  suite('getVariable', function() {
-    test('By id', function() {
-      var var1 = this.workspace.createVariable('name1', 'type1', 'id1');
-      var var2 = this.workspace.createVariable('name2', 'type1', 'id2');
-      var var3 = this.workspace.createVariable('name3', 'type2', 'id3');
-      var result1 = Blockly.Variables.getVariable(this.workspace, 'id1');
-      var result2 = Blockly.Variables.getVariable(this.workspace, 'id2');
-      var result3 = Blockly.Variables.getVariable(this.workspace, 'id3');
-
-      chai.assert.equal(var1, result1);
-      chai.assert.equal(var2, result2);
-      chai.assert.equal(var3, result3);
-    });
-
-    test('By name and type', function() {
-      var var1 = this.workspace.createVariable('name1', 'type1', 'id1');
-      var var2 = this.workspace.createVariable('name2', 'type1', 'id2');
-      var var3 = this.workspace.createVariable('name3', 'type2', 'id3');
-      var result1 =
-          Blockly.Variables.getVariable(this.workspace, null, 'name1', 'type1');
-      var result2 =
-          Blockly.Variables.getVariable(this.workspace, null, 'name2', 'type1');
-      var result3 =
-          Blockly.Variables.getVariable(this.workspace, null, 'name3', 'type2');
-
-      // Searching by name + type is correct.
-      chai.assert.equal(var1, result1);
-      chai.assert.equal(var2, result2);
-      chai.assert.equal(var3, result3);
-    });
-
-    test('Bad id with name and type fallback', function() {
-      var var1 = this.workspace.createVariable('name1', 'type1', 'id1');
-      var var2 = this.workspace.createVariable('name2', 'type1', 'id2');
-      var var3 = this.workspace.createVariable('name3', 'type2', 'id3');
-      var result1 =
-          Blockly.Variables.getVariable(this.workspace, 'badId', 'name1', 'type1');
-      var result2 =
-          Blockly.Variables.getVariable(this.workspace, 'badId', 'name2', 'type1');
-      var result3 =
-          Blockly.Variables.getVariable(this.workspace, 'badId', 'name3', 'type2');
-
-      // Searching by ID failed, but falling back onto name + type is correct.
-      chai.assert.equal(var1, result1);
-      chai.assert.equal(var2, result2);
-      chai.assert.equal(var3, result3);
-    });
-  });
-});
diff --git a/tests/mocha/webdriver.js b/tests/mocha/webdriver.js
new file mode 100644
index 00000000000..207917c5e6b
--- /dev/null
+++ b/tests/mocha/webdriver.js
@@ -0,0 +1,96 @@
+/**
+ * @license
+ * Copyright 2019 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Node.js script to run Mocha tests in Chrome, via webdriver.
+ */
+const webdriverio = require('webdriverio');
+const {posixPath} = require('../../scripts/helpers');
+
+
+/**
+ * Runs the Mocha tests in this directory in Chrome. It uses webdriverio to
+ * launch Chrome and load index.html. Outputs a summary of the test results
+ * to the console.
+ * @return {number} 0 on success, 1 on failure.
+ */
+async function runMochaTestsInBrowser() {
+  const options = {
+    capabilities: {
+      browserName: 'chrome',
+      'goog:chromeOptions': {
+        args: ['--allow-file-access-from-files'],
+      },
+    },
+    logLevel: 'warn',
+  };
+
+  // Run in headless mode on Github Actions.
+  if (process.env.CI) {
+    options.capabilities['goog:chromeOptions'].args.push(
+        '--headless', '--no-sandbox', '--disable-dev-shm-usage',);
+  } else {
+    // --disable-gpu is needed to prevent Chrome from hanging on Linux with
+    // NVIDIA drivers older than v295.20. See
+    // https://github.com/google/blockly/issues/5345 for details.
+    options.capabilities['goog:chromeOptions'].args.push('--disable-gpu');
+  }
+
+  const url = 'file://' + posixPath(__dirname) + '/index.html';
+  console.log('Starting webdriverio...');
+  const browser = await webdriverio.remote(options);
+  console.log('Loading URL: ' + url);
+  await browser.url(url);
+
+  await browser.waitUntil(async() => {
+    const elem = await browser.$('#failureCount');
+    const text = await elem.getAttribute('tests_failed');
+    return text !== 'unset';
+  }, {
+    timeout: 100000,
+  });
+
+  const elem = await browser.$('#failureCount');
+  const numOfFailure = await elem.getAttribute('tests_failed');
+
+  if (numOfFailure > 0) {
+    console.log('============Blockly Mocha Test Failures================');
+    const failureMessagesEls = await browser.$$('#failureMessages p');
+    if (!failureMessagesEls.length) {
+      console.log('There is at least one test failure, but no messages reported. Mocha may be failing because no tests are being run.');
+    }
+    for (const el of failureMessagesEls) {
+      const messageHtml = await el.getHTML();
+      console.log(messageHtml.replace('<p>', '').replace('</p>', ''));
+    }
+  }
+
+  console.log('============Blockly Mocha Test Summary=================');
+  console.log(numOfFailure + ' tests failed');
+  console.log('============Blockly Mocha Test Summary=================');
+  if (parseInt(numOfFailure) !== 0) {
+    return 1;
+  }
+  await browser.deleteSession();
+  return 0;
+}
+
+if (require.main === module) {
+  runMochaTestsInBrowser().catch((e) => {
+    console.error(e);
+    process.exit(1);
+  }).then(function(result) {
+    if (result) {
+      console.log('Mocha tests failed');
+      process.exit(1);
+    } else {
+      console.log('Mocha tests passed');
+      process.exit(0);
+    }
+  });
+}
+
+module.exports = {runMochaTestsInBrowser};
diff --git a/tests/mocha/widget_div_test.js b/tests/mocha/widget_div_test.js
index 84571dd5903..5415347adef 100644
--- a/tests/mocha/widget_div_test.js
+++ b/tests/mocha/widget_div_test.js
@@ -4,15 +4,20 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('WidgetDiv', function() {
-  setup(function() {
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+
+suite('WidgetDiv', function () {
+  setup(function () {
     sharedTestSetup.call(this);
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  suite('positionWithAnchor', function() {
+  suite('positionWithAnchor', function () {
     function makeBBox(left, top, width, height) {
       return {
         left: left,
@@ -20,147 +25,246 @@ suite('WidgetDiv', function() {
         top: top,
         bottom: top + height,
         width: width,
-        height: height
+        height: height,
       };
     }
 
-    setup(function() {
+    setup(function () {
       Blockly.WidgetDiv.createDom();
       this.viewportBBox = makeBBox(0, 0, 1000, 1003);
       this.widgetSize = {
         width: 100,
-        height: 102
+        height: 102,
       };
       this.anchorSize = {
         width: 90,
-        height: 91
+        height: 91,
       };
 
-      this.testWidgetPosition = function(
-          anchorBBox, rtl, expectedX, expectedY, expectedHeight) {
+      this.testWidgetPosition = function (
+        anchorBBox,
+        rtl,
+        expectedX,
+        expectedY,
+        expectedHeight,
+      ) {
         Blockly.WidgetDiv.positionWithAnchor(
-            this.viewportBBox, anchorBBox, this.widgetSize, rtl);
-        var style = Blockly.WidgetDiv.DIV.style;
+          this.viewportBBox,
+          anchorBBox,
+          this.widgetSize,
+          rtl,
+        );
+        const style = Blockly.WidgetDiv.getDiv().style;
         chai.assert.equal(style.left, expectedX + 'px', 'Left');
         chai.assert.equal(style.top, expectedY + 'px', 'Top');
         chai.assert.equal(style.height, expectedHeight + 'px', 'Height');
       };
     });
 
-    suite('LTR', function() {
-      test('noConflict', function() {
+    suite('LTR', function () {
+      test('noConflict', function () {
         // Anchor placed in the middle.
-        var anchorBBox =
-            makeBBox(500, 500, this.anchorSize.width, this.anchorSize.height);
+        const anchorBBox = makeBBox(
+          500,
+          500,
+          this.anchorSize.width,
+          this.anchorSize.height,
+        );
         // The widget div should be placed just below at the left side of the
         // anchor.
-        var expectedX = anchorBBox.left;
-        var expectedY = anchorBBox.top + this.anchorSize.height;
+        const expectedX = anchorBBox.left;
+        const expectedY = anchorBBox.top + this.anchorSize.height;
         this.testWidgetPosition(
-            anchorBBox, false, expectedX, expectedY, this.widgetSize.height);
+          anchorBBox,
+          false,
+          expectedX,
+          expectedY,
+          this.widgetSize.height,
+        );
       });
-  
-      test('topConflict', function() {
+
+      test('topConflict', function () {
         // Anchor close to the top.
-        var anchorBBox =
-            makeBBox(500, 50, this.anchorSize.width, this.anchorSize.height);
+        const anchorBBox = makeBBox(
+          500,
+          50,
+          this.anchorSize.width,
+          this.anchorSize.height,
+        );
         // The widget div should be placed just below the anchor.
-        var expectedX = anchorBBox.left;
-        var expectedY = anchorBBox.top + this.anchorSize.height;
+        const expectedX = anchorBBox.left;
+        const expectedY = anchorBBox.top + this.anchorSize.height;
         this.testWidgetPosition(
-            anchorBBox, false, expectedX, expectedY, this.widgetSize.height);
+          anchorBBox,
+          false,
+          expectedX,
+          expectedY,
+          this.widgetSize.height,
+        );
       });
-  
-      test('bottomConflict', function() {
+
+      test('bottomConflict', function () {
         // Anchor placed close to the bottom.
-        var anchorBBox =
-            makeBBox(500, 900, this.anchorSize.width, this.anchorSize.height);
+        const anchorBBox = makeBBox(
+          500,
+          900,
+          this.anchorSize.width,
+          this.anchorSize.height,
+        );
         // The widget div should be placed just above the anchor.
-        var expectedX = anchorBBox.left;
-        var expectedY = anchorBBox.top - this.widgetSize.height;
+        const expectedX = anchorBBox.left;
+        const expectedY = anchorBBox.top - this.widgetSize.height;
         this.testWidgetPosition(
-            anchorBBox, false, expectedX, expectedY, this.widgetSize.height);
+          anchorBBox,
+          false,
+          expectedX,
+          expectedY,
+          this.widgetSize.height,
+        );
       });
-  
-      test('leftConflict', function() {
+
+      test('leftConflict', function () {
         // Anchor placed close to the left side.
-        var anchorBBox =
-            makeBBox(50, 500, this.anchorSize.width, this.anchorSize.height);
+        const anchorBBox = makeBBox(
+          50,
+          500,
+          this.anchorSize.width,
+          this.anchorSize.height,
+        );
         // The widget div should be placed at the anchor.
-        var expectedX = anchorBBox.left;
-        var expectedY = anchorBBox.top + this.anchorSize.height;
+        const expectedX = anchorBBox.left;
+        const expectedY = anchorBBox.top + this.anchorSize.height;
         this.testWidgetPosition(
-            anchorBBox, false, expectedX, expectedY, this.widgetSize.height);
+          anchorBBox,
+          false,
+          expectedX,
+          expectedY,
+          this.widgetSize.height,
+        );
       });
-  
-      test('rightConflict', function() {
+
+      test('rightConflict', function () {
         // Anchor placed close to the right side.
-        var anchorBBox =
-            makeBBox(950, 500, this.anchorSize.width, this.anchorSize.height);
+        const anchorBBox = makeBBox(
+          950,
+          500,
+          this.anchorSize.width,
+          this.anchorSize.height,
+        );
         // The widget div should be placed as far right as possible--at the edge of
         // the screen.
-        var expectedX = this.viewportBBox.width - this.widgetSize.width;
-        var expectedY = anchorBBox.top + this.anchorSize.height;
+        const expectedX = this.viewportBBox.width - this.widgetSize.width;
+        const expectedY = anchorBBox.top + this.anchorSize.height;
         this.testWidgetPosition(
-            anchorBBox, false, expectedX, expectedY, this.widgetSize.height);
+          anchorBBox,
+          false,
+          expectedX,
+          expectedY,
+          this.widgetSize.height,
+        );
       });
     });
-    suite('RTL', function() {
-      test('noConflict', function() {
+    suite('RTL', function () {
+      test('noConflict', function () {
         // Anchor placed in the middle
-        var anchorBBox =
-            makeBBox(500, 500, this.anchorSize.width, this.anchorSize.height);
+        const anchorBBox = makeBBox(
+          500,
+          500,
+          this.anchorSize.width,
+          this.anchorSize.height,
+        );
         // The widget div should be placed at the right side of the anchor.
-        var expectedX = anchorBBox.right - this.widgetSize.width;
-        var expectedY = anchorBBox.top + this.anchorSize.height;
+        const expectedX = anchorBBox.right - this.widgetSize.width;
+        const expectedY = anchorBBox.top + this.anchorSize.height;
         this.testWidgetPosition(
-            anchorBBox, true, expectedX, expectedY, this.widgetSize.height);
+          anchorBBox,
+          true,
+          expectedX,
+          expectedY,
+          this.widgetSize.height,
+        );
       });
 
-      test('topConflict', function() {
+      test('topConflict', function () {
         // Anchor close to the top.
-        var anchorBBox =
-            makeBBox(500, 50, this.anchorSize.width, this.anchorSize.height);
+        const anchorBBox = makeBBox(
+          500,
+          50,
+          this.anchorSize.width,
+          this.anchorSize.height,
+        );
         // The widget div should be placed just below the anchor.
-        var expectedX = anchorBBox.right - this.widgetSize.width;
-        var expectedY = anchorBBox.top + this.anchorSize.height;
+        const expectedX = anchorBBox.right - this.widgetSize.width;
+        const expectedY = anchorBBox.top + this.anchorSize.height;
         this.testWidgetPosition(
-            anchorBBox, true, expectedX, expectedY, this.widgetSize.height);
+          anchorBBox,
+          true,
+          expectedX,
+          expectedY,
+          this.widgetSize.height,
+        );
       });
 
-      test('bottomConflict', function() {
+      test('bottomConflict', function () {
         // Anchor placed close to the bottom.
-        var anchorBBox =
-            makeBBox(500, 900, this.anchorSize.width, this.anchorSize.height);
+        const anchorBBox = makeBBox(
+          500,
+          900,
+          this.anchorSize.width,
+          this.anchorSize.height,
+        );
         // The widget div should be placed just above the anchor.
-        var expectedX = anchorBBox.right - this.widgetSize.width;
-        var expectedY = anchorBBox.top - this.widgetSize.height;
+        const expectedX = anchorBBox.right - this.widgetSize.width;
+        const expectedY = anchorBBox.top - this.widgetSize.height;
         this.testWidgetPosition(
-            anchorBBox, true, expectedX, expectedY, this.widgetSize.height);
+          anchorBBox,
+          true,
+          expectedX,
+          expectedY,
+          this.widgetSize.height,
+        );
       });
 
-      test('leftConflict', function() {
+      test('leftConflict', function () {
         // Anchor placed close to the left side.
-        var anchorBBox =
-            makeBBox(10, 500, this.anchorSize.width, this.anchorSize.height);
+        const anchorBBox = makeBBox(
+          10,
+          500,
+          this.anchorSize.width,
+          this.anchorSize.height,
+        );
         // The widget div should be placed as far left as possible--at the edge of
         // the screen.
-        var expectedX = 0;
-        var expectedY = anchorBBox.top + this.anchorSize.height;
+        const expectedX = 0;
+        const expectedY = anchorBBox.top + this.anchorSize.height;
         this.testWidgetPosition(
-            anchorBBox, true, expectedX, expectedY, this.widgetSize.height);
+          anchorBBox,
+          true,
+          expectedX,
+          expectedY,
+          this.widgetSize.height,
+        );
       });
 
-      test('rightConflict', function() {
+      test('rightConflict', function () {
         // Anchor placed close to the right side.
-        var anchorBBox =
-            makeBBox(950, 500, this.anchorSize.width, this.anchorSize.height);
+        const anchorBBox = makeBBox(
+          950,
+          500,
+          this.anchorSize.width,
+          this.anchorSize.height,
+        );
         // The widget div should be placed as far right as possible--at the edge of
         // the screen.
-        var expectedX = this.viewportBBox.width - this.widgetSize.width;
-        var expectedY = anchorBBox.top + this.anchorSize.height;
+        const expectedX = this.viewportBBox.width - this.widgetSize.width;
+        const expectedY = anchorBBox.top + this.anchorSize.height;
         this.testWidgetPosition(
-            anchorBBox, true, expectedX, expectedY, this.widgetSize.height);
+          anchorBBox,
+          true,
+          expectedX,
+          expectedY,
+          this.widgetSize.height,
+        );
       });
     });
   });
diff --git a/tests/mocha/workspace_comment_test.js b/tests/mocha/workspace_comment_test.js
index 421633e182e..aa42cfbe2ac 100644
--- a/tests/mocha/workspace_comment_test.js
+++ b/tests/mocha/workspace_comment_test.js
@@ -1,198 +1,149 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2024 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-goog.require('Blockly.WorkspaceComment');
-
-suite('Workspace comment', function() {
-  setup(function() {
-    sharedTestSetup.call(this);
-    this.workspace = new Blockly.Workspace();
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {
+  createChangeListenerSpy,
+  assertEventFired,
+} from './test_helpers/events.js';
+
+suite('Workspace comment', function () {
+  setup(function () {
+    this.clock = sharedTestSetup.call(this, {fireEventsNow: false}).clock;
+    this.workspace = new Blockly.inject('blocklyDiv', {});
   });
 
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  suite('getTopComments(ordered=true)', function() {
-    test('No comments', function() {
-      chai.assert.equal(this.workspace.getTopComments(true).length, 0);
-    });
-
-    test('One comment', function() {
-      var comment = new Blockly.WorkspaceComment(
-          this.workspace, 'comment text', 0, 0, 'comment id');
-      chai.assert.equal(this.workspace.getTopComments(true).length, 1);
-      chai.assert.equal(this.workspace.commentDB_['comment id'], comment);
-    });
-
-    test('After clear empty workspace', function() {
-      this.workspace.clear();
-      chai.assert.equal(this.workspace.getTopComments(true).length, 0);
-    });
-
-    test('After clear non-empty workspace', function() {
-      new Blockly.WorkspaceComment(
-          this.workspace, 'comment text', 0, 0, 'comment id');
-      this.workspace.clear();
-      chai.assert.equal(this.workspace.getTopComments(true).length, 0);
-      chai.assert.isFalse('comment id' in this.workspace.commentDB_);
-    });
-
-    test('After dispose', function() {
-      var comment = new Blockly.WorkspaceComment(
-          this.workspace, 'comment text', 0, 0, 'comment id');
-      comment.dispose();
-      chai.assert.equal(this.workspace.getTopComments(true).length, 0);
-      chai.assert.isFalse('comment id' in this.workspace.commentDB_);
-    });
-  });
-
-  suite('getTopComments(ordered=false)', function() {
-    test('No comments', function() {
-      chai.assert.equal(this.workspace.getTopComments(false).length, 0);
-    });
-
-    test('One comment', function() {
-      var comment = new Blockly.WorkspaceComment(
-          this.workspace, 'comment text', 0, 0, 'comment id');
-      chai.assert.equal(this.workspace.getTopComments(false).length, 1);
-      chai.assert.equal(this.workspace.commentDB_['comment id'], comment);
-    });
-
-    test('After clear empty workspace', function() {
-      this.workspace.clear();
-      chai.assert.equal(this.workspace.getTopComments(false).length, 0);
-    });
-
-    test('After clear non-empty workspace', function() {
-      new Blockly.WorkspaceComment(
-          this.workspace, 'comment text', 0, 0, 'comment id');
-      this.workspace.clear();
-      chai.assert.equal(this.workspace.getTopComments(false).length, 0);
-      chai.assert.isFalse('comment id' in this.workspace.commentDB_);
-    });
-
-    test('After dispose', function() {
-      var comment = new Blockly.WorkspaceComment(
-          this.workspace, 'comment text', 0, 0, 'comment id');
-      comment.dispose();
-      chai.assert.equal(this.workspace.getTopComments(false).length, 0);
-      chai.assert.isFalse('comment id' in this.workspace.commentDB_);
-    });
-  });
-
-  suite('getCommentById', function() {
-    test('Trivial', function() {
-      var comment = new Blockly.WorkspaceComment(
-          this.workspace, 'comment text', 0, 0, 'comment id');
-      chai.assert.equal(this.workspace.getCommentById(comment.id), comment);
-    });
-
-    test('Null id', function() {
-      chai.assert.isNull(this.workspace.getCommentById(null));
-    });
-
-    test('Non-existent id', function() {
-      chai.assert.isNull(this.workspace.getCommentById('badId'));
-    });
-
-    test('After dispose', function() {
-      var comment = new Blockly.WorkspaceComment(
-          this.workspace, 'comment text', 0, 0, 'comment id');
-      comment.dispose();
-      chai.assert.isNull(this.workspace.getCommentById(comment.id));
-    });
-  });
-
-  suite('dispose', function() {
-    test('Called twice', function() {
-      var comment = new Blockly.WorkspaceComment(
-          this.workspace, 'comment text', 0, 0, 'comment id');
-      comment.dispose();
-      // Nothing should go wrong the second time dispose is called.
-      comment.dispose();
-    });
-  });
-
-  suite('Width and height', function() {
-    setup(function() {
-      this.comment = new Blockly.WorkspaceComment(
-          this.workspace, 'comment text', 10, 20, 'comment id');
-    });
-
-    test('Initial values', function() {
-      chai.assert.equal(this.comment.getWidth(), 20, 'Width');
-      chai.assert.equal(this.comment.getHeight(), 10, 'Height');
-    });
-
-    test('setWidth does not affect height', function() {
-      this.comment.setWidth(30);
-      chai.assert.equal(this.comment.getWidth(), 30, 'Width');
-      chai.assert.equal(this.comment.getHeight(), 10, 'Height');
-    });
-
-    test('setHeight does not affect width', function() {
-      this.comment.setHeight(30);
-      chai.assert.equal(this.comment.getWidth(), 20, 'Width');
-      chai.assert.equal(this.comment.getHeight(), 30, 'Height');
-    });
-  });
-
-  suite('XY position', function() {
-    setup(function() {
-      this.comment = new Blockly.WorkspaceComment(
-          this.workspace, 'comment text', 10, 20, 'comment id');
-    });
-
-    test('Initial position', function() {
-      var xy = this.comment.getXY();
-      chai.assert.equal(xy.x, 0, 'Initial X position');
-      chai.assert.equal(xy.y, 0,'Initial Y position');
-    });
-
-    test('moveBy', function() {
-      this.comment.moveBy(10, 100);
-      var xy = this.comment.getXY();
-      chai.assert.equal(xy.x, 10, 'New X position');
-      chai.assert.equal(xy.y, 100, 'New Y position');
-    });
-
-  });
-
-  suite('Content', function() {
-    setup(function() {
+  suite('Events', function () {
+    test('create events are fired when a comment is constructed', function () {
+      const spy = createChangeListenerSpy(this.workspace);
 
-      this.comment = new Blockly.WorkspaceComment(
-          this.workspace, 'comment text', 0, 0, 'comment id');
-    });
+      this.renderedComment = new Blockly.comments.RenderedWorkspaceComment(
+        this.workspace,
+      );
 
-    teardown(function() {
-      sinon.restore();
-    });
-
-    test('After creation', function() {
-      chai.assert.equal(
-          this.comment.getContent(), 'comment text');
-      chai.assert.equal(
-          this.workspace.undoStack_.length, 1,'Workspace undo stack');
-    });
+      this.clock.runAll();
 
-    test('Set to same value', function() {
-      this.comment.setContent('comment text');
-      chai.assert.equal(this.comment.getContent(), 'comment text');
-      // Setting the text to the old value does not fire an event.
-      chai.assert.equal(
-          this.workspace.undoStack_.length, 1, 'Workspace undo stack');
+      assertEventFired(
+        spy,
+        Blockly.Events.CommentCreate,
+        {commentId: this.renderedComment.id},
+        this.workspace.id,
+      );
     });
 
-    test('Set to different value', function() {
-      this.comment.setContent('new comment text');
-      chai.assert.equal(this.comment.getContent(), 'new comment text');
-      chai.assert.equal(
-          this.workspace.undoStack_.length, 2, 'Workspace undo stack');
+    test('delete events are fired when a comment is disposed', function () {
+      this.renderedComment = new Blockly.comments.RenderedWorkspaceComment(
+        this.workspace,
+      );
+      const spy = createChangeListenerSpy(this.workspace);
+
+      this.renderedComment.dispose();
+
+      this.clock.runAll();
+
+      assertEventFired(
+        spy,
+        Blockly.Events.CommentDelete,
+        {commentId: this.renderedComment.id},
+        this.workspace.id,
+      );
+    });
+
+    test('move events are fired when a comment is moved', function () {
+      this.renderedComment = new Blockly.comments.RenderedWorkspaceComment(
+        this.workspace,
+      );
+      const spy = createChangeListenerSpy(this.workspace);
+
+      this.renderedComment.moveTo(new Blockly.utils.Coordinate(42, 42));
+
+      this.clock.runAll();
+
+      assertEventFired(
+        spy,
+        Blockly.Events.CommentMove,
+        {
+          commentId: this.renderedComment.id,
+          oldCoordinate_: {x: 0, y: 0},
+          newCoordinate_: {x: 42, y: 42},
+        },
+        this.workspace.id,
+      );
+    });
+
+    test('change events are fired when a comments text is edited', function () {
+      this.renderedComment = new Blockly.comments.RenderedWorkspaceComment(
+        this.workspace,
+      );
+      const spy = createChangeListenerSpy(this.workspace);
+
+      this.renderedComment.setText('test text');
+
+      this.clock.runAll();
+
+      assertEventFired(
+        spy,
+        Blockly.Events.CommentChange,
+        {
+          commentId: this.renderedComment.id,
+          oldContents_: '',
+          newContents_: 'test text',
+        },
+        this.workspace.id,
+      );
+    });
+
+    test('collapse events are fired when a comment is collapsed', function () {
+      this.renderedComment = new Blockly.comments.RenderedWorkspaceComment(
+        this.workspace,
+      );
+      const spy = createChangeListenerSpy(this.workspace);
+
+      this.renderedComment.setCollapsed(true);
+
+      this.clock.runAll();
+
+      assertEventFired(
+        spy,
+        Blockly.Events.CommentCollapse,
+        {
+          commentId: this.renderedComment.id,
+          newCollapsed: true,
+        },
+        this.workspace.id,
+      );
+    });
+
+    test('collapse events are fired when a comment is uncollapsed', function () {
+      this.renderedComment = new Blockly.comments.RenderedWorkspaceComment(
+        this.workspace,
+      );
+      this.renderedComment.setCollapsed(true);
+      const spy = createChangeListenerSpy(this.workspace);
+
+      this.renderedComment.setCollapsed(false);
+
+      this.clock.runAll();
+
+      assertEventFired(
+        spy,
+        Blockly.Events.CommentCollapse,
+        {
+          commentId: this.renderedComment.id,
+          newCollapsed: false,
+        },
+        this.workspace.id,
+      );
     });
   });
 });
diff --git a/tests/mocha/workspace_svg_test.js b/tests/mocha/workspace_svg_test.js
index 27b4b07f386..98ca14d5754 100644
--- a/tests/mocha/workspace_svg_test.js
+++ b/tests/mocha/workspace_svg_test.js
@@ -4,370 +4,418 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('WorkspaceSvg', function() {
-  setup(function() {
-    sharedTestSetup.call(this);
-    var toolbox = document.getElementById('toolbox-categories');
+import {
+  assertEventFired,
+  assertEventNotFired,
+  createChangeListenerSpy,
+} from './test_helpers/events.js';
+import {assertVariableValues} from './test_helpers/variables.js';
+import {defineStackBlock} from './test_helpers/block_definitions.js';
+import * as eventUtils from '../../build/src/core/events/utils.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+import {testAWorkspace} from './test_helpers/workspace.js';
+
+suite('WorkspaceSvg', function () {
+  setup(function () {
+    this.clock = sharedTestSetup.call(this, {fireEventsNow: false}).clock;
+    const toolbox = document.getElementById('toolbox-categories');
     this.workspace = Blockly.inject('blocklyDiv', {toolbox: toolbox});
-    Blockly.defineBlocksWithJsonArray([{
-      'type': 'simple_test_block',
-      'message0': 'simple test block',
-      'output': null
-    },
-    {
-      'type': 'test_val_in',
-      'message0': 'test in %1',
-      'args0': [
-        {
-          'type': 'input_value',
-          'name': 'NAME'
-        }
-      ]
-    }]);
+    Blockly.defineBlocksWithJsonArray([
+      {
+        'type': 'simple_test_block',
+        'message0': 'simple test block',
+        'output': null,
+      },
+      {
+        'type': 'test_val_in',
+        'message0': 'test in %1',
+        'args0': [
+          {
+            'type': 'input_value',
+            'name': 'NAME',
+          },
+        ],
+      },
+    ]);
   });
 
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  test('dispose of WorkspaceSvg without dom throws no error', function() {
-    var ws = new Blockly.WorkspaceSvg(new Blockly.Options({}));
+  test('dispose of WorkspaceSvg without dom throws no error', function () {
+    const ws = new Blockly.WorkspaceSvg(new Blockly.Options({}));
     ws.dispose();
   });
 
-  test('appendDomToWorkspace alignment', function() {
-    var dom = Blockly.Xml.textToDom(
-        '<xml xmlns="https://developers.google.com/blockly/xml">' +
+  test('appendDomToWorkspace alignment', function () {
+    const dom = Blockly.utils.xml.textToDom(
+      '<xml xmlns="https://developers.google.com/blockly/xml">' +
         '  <block type="math_random_float" inline="true" x="21" y="23">' +
         '  </block>' +
-        '</xml>');
+        '</xml>',
+    );
     Blockly.Xml.appendDomToWorkspace(dom, this.workspace);
-    chai.assert.equal(this.workspace.getAllBlocks(false).length, 1,
-        'Block count');
+    chai.assert.equal(
+      this.workspace.getAllBlocks(false).length,
+      1,
+      'Block count',
+    );
     Blockly.Xml.appendDomToWorkspace(dom, this.workspace);
-    chai.assert.equal(this.workspace.getAllBlocks(false).length, 2,
-        'Block count');
-    var blocks = this.workspace.getAllBlocks(false);
-    chai.assert.equal(blocks[0].getRelativeToSurfaceXY().x, 21,
-        'Block 1 position x');
-    chai.assert.equal(blocks[0].getRelativeToSurfaceXY().y, 23,
-        'Block 1 position y');
-    chai.assert.equal(blocks[1].getRelativeToSurfaceXY().x, 21,
-        'Block 2 position x');
+    chai.assert.equal(
+      this.workspace.getAllBlocks(false).length,
+      2,
+      'Block count',
+    );
+    const blocks = this.workspace.getAllBlocks(false);
+    chai.assert.equal(
+      blocks[0].getRelativeToSurfaceXY().x,
+      21,
+      'Block 1 position x',
+    );
+    chai.assert.equal(
+      blocks[0].getRelativeToSurfaceXY().y,
+      23,
+      'Block 1 position y',
+    );
+    chai.assert.equal(
+      blocks[1].getRelativeToSurfaceXY().x,
+      21,
+      'Block 2 position x',
+    );
     // Y separation value defined in appendDomToWorkspace as 10
-    chai.assert.equal(blocks[1].getRelativeToSurfaceXY().y,
-        23 + blocks[0].getHeightWidth().height + 10,
-        'Block 2 position y');
+    chai.assert.equal(
+      blocks[1].getRelativeToSurfaceXY().y,
+      23 + blocks[0].getHeightWidth().height + 10,
+      'Block 2 position y',
+    );
   });
 
-  test('Replacing shadow disposes svg', function() {
-    var dom = Blockly.Xml.textToDom(
-        '<xml xmlns="https://developers.google.com/blockly/xml">' +
+  test('Replacing shadow disposes of old shadow', function () {
+    const dom = Blockly.utils.xml.textToDom(
+      '<xml xmlns="https://developers.google.com/blockly/xml">' +
         '<block type="test_val_in">' +
         '<value name="NAME">' +
         '<shadow type="simple_test_block"></shadow>' +
         '</value>' +
         '</block>' +
-        '</xml>');
+        '</xml>',
+    );
 
     Blockly.Xml.appendDomToWorkspace(dom, this.workspace);
-    var blocks = this.workspace.getAllBlocks(false);
-    chai.assert.equal(blocks.length, 2,'Block count');
-    var shadowBlock = blocks[1];
-    chai.assert.exists(shadowBlock.getSvgRoot());
+    const blocks = this.workspace.getAllBlocks(false);
+    chai.assert.equal(blocks.length, 2, 'Block count');
+    const shadowBlock = blocks[1];
+    chai.assert.equal(false, shadowBlock.isDeadOrDying());
 
-    var block = this.workspace.newBlock('simple_test_block');
+    const block = this.workspace.newBlock('simple_test_block');
     block.initSvg();
 
-    var inputConnection =
-        this.workspace.getTopBlocks()[0].getInput('NAME').connection;
+    const inputConnection = this.workspace
+      .getTopBlocks()[0]
+      .getInput('NAME').connection;
     inputConnection.connect(block.outputConnection);
-    chai.assert.exists(block.getSvgRoot());
-    chai.assert.notExists(shadowBlock.getSvgRoot());
+    chai.assert.equal(false, block.isDeadOrDying());
+    chai.assert.equal(true, shadowBlock.isDeadOrDying());
   });
 
-  suite('updateToolbox', function() {
-    test('Passes in null when toolbox exists', function() {
-      chai.assert.throws(function() {
-        this.workspace.updateToolbox(null);
-      }.bind(this), 'Can\'t nullify an existing toolbox.');
+  suite('updateToolbox', function () {
+    test('Passes in null when toolbox exists', function () {
+      chai.assert.throws(
+        function () {
+          this.workspace.updateToolbox(null);
+        }.bind(this),
+        "Can't nullify an existing toolbox.",
+      );
     });
-    test('Passes in toolbox def when current toolbox is null', function() {
+    test('Passes in toolbox def when current toolbox is null', function () {
       this.workspace.options.languageTree = null;
-      chai.assert.throws(function() {
-        this.workspace.updateToolbox({'contents': []});
-      }.bind(this), 'Existing toolbox is null.  Can\'t create new toolbox.');
+      chai.assert.throws(
+        function () {
+          this.workspace.updateToolbox({'contents': []});
+        }.bind(this),
+        "Existing toolbox is null.  Can't create new toolbox.",
+      );
     });
-    test('Existing toolbox has no categories', function() {
-      sinon.stub(Blockly.utils.toolbox, 'hasCategories').returns(true);
+    test('Existing toolbox has no categories', function () {
+      sinon
+        .stub(Blockly.utils.toolbox.TEST_ONLY, 'hasCategoriesInternal')
+        .returns(true);
       this.workspace.toolbox_ = null;
-      chai.assert.throws(function() {
-        this.workspace.updateToolbox({'contents': []});
-      }.bind(this), 'Existing toolbox has no categories.  Can\'t change mode.');
+      chai.assert.throws(
+        function () {
+          this.workspace.updateToolbox({'contents': []});
+        }.bind(this),
+        "Existing toolbox has no categories.  Can't change mode.",
+      );
     });
-    test('Existing toolbox has categories', function() {
-      sinon.stub(Blockly.utils.toolbox, 'hasCategories').returns(false);
+    test('Existing toolbox has categories', function () {
+      sinon
+        .stub(Blockly.utils.toolbox.TEST_ONLY, 'hasCategoriesInternal')
+        .returns(false);
       this.workspace.flyout_ = null;
-      chai.assert.throws(function() {
-        this.workspace.updateToolbox({'contents': []});
-      }.bind(this), 'Existing toolbox has categories.  Can\'t change mode.');
-    });
-    test('Passing in string as toolboxdef', function() {
-      var parseToolboxFake = sinon.spy(Blockly.utils.toolbox, 'parseToolboxTree');
-      this.workspace.updateToolbox('<xml><category name="something"></category></xml>');
-      sinon.assert.calledOnce(parseToolboxFake);
-    });
-  });
-
-  suite('addTopBlock', function() {
-    setup(function() {
-      this.targetWorkspace = new Blockly.Workspace();
-      this.workspace.isFlyout = true;
-      this.workspace.targetWorkspace = this.targetWorkspace;
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "get_var_block",
-        "message0": "%1",
-        "args0": [
-          {
-            "type": "field_variable",
-            "name": "VAR",
-            "variableTypes": ["", "type1", "type2"]
-          }
-        ]
-      }]);
-    });
-
-    teardown(function() {
-      // Have to dispose of the main workspace after the flyout workspace
-      // because it holds the variable map.
-      // Normally the main workspace disposes of the flyout workspace.
-      workspaceTeardown.call(this, this.targetWorkspace);
-    });
-
-    test('Trivial Flyout is True', function() {
-      this.targetWorkspace.createVariable('name1', '', '1');
-
-      // Flyout.init usually does this binding.
-      this.workspace.variableMap_ = this.targetWorkspace.getVariableMap();
-
-      Blockly.Events.disable();
-      var block = new Blockly.Block(this.workspace, 'get_var_block');
-      block.inputList[0].fieldRow[0].setValue('1');
-      Blockly.Events.enable();
-
-      this.workspace.removeTopBlock(block);
-      this.workspace.addTopBlock(block);
-      assertVariableValues(this.workspace, 'name1', '', '1');
+      chai.assert.throws(
+        function () {
+          this.workspace.updateToolbox({'contents': []});
+        }.bind(this),
+        "Existing toolbox has categories.  Can't change mode.",
+      );
     });
   });
 
-  suite.skip('Viewport change events', function() {
-    function resetEventHistory(eventsFireStub, changeListenerSpy) {
-      eventsFireStub.resetHistory();
+  suite('Viewport change events', function () {
+    function resetEventHistory(changeListenerSpy) {
       changeListenerSpy.resetHistory();
     }
     function assertSpyFiredViewportEvent(spy, workspace, expectedProperties) {
       assertEventFired(
-          spy, Blockly.Events.Ui, {element: 'viewport'},
-          workspace.id, null);
-      assertEventFired(spy, Blockly.Events.Ui, expectedProperties,
-          workspace.id, null);
+        spy,
+        Blockly.Events.ViewportChange,
+        expectedProperties,
+        workspace.id,
+      );
+      assertEventFired(
+        spy,
+        Blockly.Events.ViewportChange,
+        expectedProperties,
+        workspace.id,
+      );
     }
-    function assertViewportEventFired(eventsFireStub, changeListenerSpy,
-        workspace, expectedEventCount = 1) {
-      var metrics = workspace.getMetrics();
-      var expectedProperties = {
-        element: 'viewport',
-        newValue: {scale: workspace.scale, top: metrics.viewTop,
-          left: metrics.viewLeft}
+    function assertViewportEventFired(
+      changeListenerSpy,
+      workspace,
+      expectedEventCount = 1,
+    ) {
+      const metrics = workspace.getMetrics();
+      const expectedProperties = {
+        scale: workspace.scale,
+        oldScale: 1,
+        viewTop: metrics.viewTop,
+        viewLeft: metrics.viewLeft,
+        type: eventUtils.VIEWPORT_CHANGE,
       };
       assertSpyFiredViewportEvent(
-          eventsFireStub, workspace, expectedProperties);
-      assertSpyFiredViewportEvent(
-          changeListenerSpy, workspace,expectedProperties);
+        changeListenerSpy,
+        workspace,
+        expectedProperties,
+      );
       sinon.assert.callCount(changeListenerSpy, expectedEventCount);
-      sinon.assert.callCount(eventsFireStub, expectedEventCount);
     }
-    function runViewportEventTest(eventTriggerFunc, eventsFireStub,
-        changeListenerSpy, workspace, clock, expectedEventCount = 1) {
+    function runViewportEventTest(
+      eventTriggerFunc,
+      changeListenerSpy,
+      workspace,
+      clock,
+      expectedEventCount = 1,
+    ) {
       clock.runAll();
-      resetEventHistory(eventsFireStub, changeListenerSpy);
+      resetEventHistory(changeListenerSpy);
       eventTriggerFunc();
+      clock.runAll();
       assertViewportEventFired(
-          eventsFireStub, changeListenerSpy, workspace, expectedEventCount);
+        changeListenerSpy,
+        workspace,
+        expectedEventCount,
+      );
     }
-    setup(function() {
+    setup(function () {
       defineStackBlock();
-      this.changeListenerSpy = createFireChangeListenerSpy(this.workspace);
+      this.changeListenerSpy = createChangeListenerSpy(this.workspace);
     });
-    teardown(function() {
+    teardown(function () {
       delete Blockly.Blocks['stack_block'];
     });
 
-    suite('zoom', function() {
-      test('setScale', function() {
-        runViewportEventTest(() => this.workspace.setScale(2),
-            this.eventsFireStub, this.changeListenerSpy, this.workspace,
-            this.clock);
+    suite('zoom', function () {
+      test('setScale', function () {
+        runViewportEventTest(
+          () => this.workspace.setScale(2),
+          this.changeListenerSpy,
+          this.workspace,
+          this.clock,
+        );
       });
-      test('zoom(50, 50, 1)', function() {
-        runViewportEventTest(() => this.workspace.zoom(50, 50, 1),
-            this.eventsFireStub, this.changeListenerSpy, this.workspace,
-            this.clock);
+      test('zoom(50, 50, 1)', function () {
+        runViewportEventTest(
+          () => this.workspace.zoom(50, 50, 1),
+          this.changeListenerSpy,
+          this.workspace,
+          this.clock,
+        );
       });
-      test('zoom(50, 50, -1)', function() {
-        runViewportEventTest(() => this.workspace.zoom(50, 50, -1),
-            this.eventsFireStub, this.changeListenerSpy, this.workspace,
-            this.clock);
+      test('zoom(50, 50, -1)', function () {
+        runViewportEventTest(
+          () => this.workspace.zoom(50, 50, -1),
+          this.changeListenerSpy,
+          this.workspace,
+          this.clock,
+        );
       });
-      test('zoomCenter(1)', function() {
-        runViewportEventTest(() => this.workspace.zoomCenter(1),
-            this.eventsFireStub, this.changeListenerSpy, this.workspace,
-            this.clock);
+      test('zoomCenter(1)', function () {
+        runViewportEventTest(
+          () => this.workspace.zoomCenter(1),
+          this.changeListenerSpy,
+          this.workspace,
+          this.clock,
+        );
       });
-      test('zoomCenter(-1)', function() {
-        runViewportEventTest(() => this.workspace.zoomCenter(-1),
-            this.eventsFireStub, this.changeListenerSpy, this.workspace,
-            this.clock);
+      test('zoomCenter(-1)', function () {
+        runViewportEventTest(
+          () => this.workspace.zoomCenter(-1),
+          this.changeListenerSpy,
+          this.workspace,
+          this.clock,
+        );
       });
-      test('zoomToFit', function() {
-        var block = this.workspace.newBlock('stack_block');
+      test('zoomToFit', function () {
+        const block = this.workspace.newBlock('stack_block');
         block.initSvg();
         block.render();
-        runViewportEventTest(() => this.workspace.zoomToFit(),
-            this.eventsFireStub, this.changeListenerSpy, this.workspace,
-            this.clock);
+        runViewportEventTest(
+          () => this.workspace.zoomToFit(),
+          this.changeListenerSpy,
+          this.workspace,
+          this.clock,
+        );
       });
     });
-    suite('scroll', function() {
-      test('centerOnBlock', function() {
-        var block = this.workspace.newBlock('stack_block');
+    suite('scroll', function () {
+      test('centerOnBlock', function () {
+        const block = this.workspace.newBlock('stack_block');
         block.initSvg();
         block.render();
-        runViewportEventTest(() => this.workspace.zoomToFit(block.id),
-            this.eventsFireStub, this.changeListenerSpy, this.workspace,
-            this.clock);
+        runViewportEventTest(
+          () => this.workspace.centerOnBlock(block.id),
+          this.changeListenerSpy,
+          this.workspace,
+          this.clock,
+        );
       });
-      test('scroll', function() {
-        runViewportEventTest(() => this.workspace.scroll(50, 50),
-            this.eventsFireStub, this.changeListenerSpy, this.workspace,
-            this.clock);
+      test('scroll', function () {
+        runViewportEventTest(
+          () => this.workspace.scroll(50, 50),
+          this.changeListenerSpy,
+          this.workspace,
+          this.clock,
+        );
       });
-      test('scrollCenter', function() {
-        runViewportEventTest(() => this.workspace.scrollCenter(),
-            this.eventsFireStub, this.changeListenerSpy, this.workspace,
-            this.clock);
+      test('scrollCenter', function () {
+        runViewportEventTest(
+          () => this.workspace.scrollCenter(),
+          this.changeListenerSpy,
+          this.workspace,
+          this.clock,
+        );
       });
     });
-    suite('resize', function() {
-      setup(function() {
-        sinon.stub(Blockly, 'svgSize').callsFake((svg) => {
-          return new Blockly.utils.Size(
-              svg.cachedWidth_ + 10, svg.cachedHeight_ + 10);
-        });
-      });
-      test('resize', function() {
-        runViewportEventTest(() => this.workspace.resize(),
-            this.eventsFireStub, this.changeListenerSpy, this.workspace,
-            this.clock);
-      });
-      test('resizeContents', function() {
-        runViewportEventTest(() => this.workspace.resizeContents(),
-            this.eventsFireStub, this.changeListenerSpy, this.workspace,
-            this.clock);
-      });
-    });
-    suite('Blocks triggering viewport changes', function() {
-      test('block render that doesn\'t trigger scroll', function() {
-        this.clock.runAll();
-        resetEventHistory(this.eventsFireStub, this.changeListenerSpy);
-        var block = this.workspace.newBlock('stack_block');
-        block.initSvg();
-        block.render();
-        this.clock.runAll();
-        assertEventNotFired(
-            this.eventsFireStub, Blockly.Events.Ui, {element: 'viewport'});
-      });
-      test('block move that triggers scroll', function() {
-        var block = this.workspace.newBlock('stack_block');
+    suite('Blocks triggering viewport changes', function () {
+      test('block move that triggers scroll', function () {
+        const block = this.workspace.newBlock('stack_block');
         block.initSvg();
         block.render();
         this.clock.runAll();
-        resetEventHistory(this.eventsFireStub, this.changeListenerSpy);
+        resetEventHistory(this.changeListenerSpy);
         // Expect 2 events, 1 move, 1 viewport
-        runViewportEventTest(() => {
-          block.moveBy(1000, 1000);
-        }, this.eventsFireStub, this.changeListenerSpy, this.workspace,
-        this.clock, 2);
+        runViewportEventTest(
+          () => {
+            block.moveBy(1000, 1000);
+          },
+          this.changeListenerSpy,
+          this.workspace,
+          this.clock,
+          2,
+        );
       });
-      test.skip('domToWorkspace that doesn\'t trigger scroll' , function() {
-        // TODO(#4192): un-skip after fixing bug with unintentional scroll.
+      test("domToWorkspace that doesn't trigger scroll", function () {
         // 4 blocks with space in center.
         Blockly.Xml.domToWorkspace(
-            Blockly.Xml.textToDom(
-                '<xml xmlns="https://developers.google.com/blockly/xml">' +
-                '<block type="controls_if" x="88" y="88"></block>' +
-                '<block type="controls_if" x="288" y="88"></block>' +
-                '<block type="controls_if" x="88" y="238"></block>' +
-                '<block type="controls_if" x="288" y="238"></block>' +
-                '</xml>'),
-            this.workspace);
-        var xmlDom = Blockly.Xml.textToDom(
-            '<block type="controls_if" x="188" y="163"></block>');
+          Blockly.utils.xml.textToDom(
+            '<xml xmlns="https://developers.google.com/blockly/xml">' +
+              '<block type="controls_if" x="88" y="88"></block>' +
+              '<block type="controls_if" x="288" y="88"></block>' +
+              '<block type="controls_if" x="88" y="238"></block>' +
+              '<block type="controls_if" x="288" y="238"></block>' +
+              '</xml>',
+          ),
+          this.workspace,
+        );
+        const xmlDom = Blockly.utils.xml.textToDom(
+          '<block type="controls_if" x="188" y="163"></block>',
+        );
         this.clock.runAll();
-        resetEventHistory(this.eventsFireStub, this.changeListenerSpy);
+        resetEventHistory(this.changeListenerSpy);
         // Add block in center of other blocks, not triggering scroll.
-        Blockly.Xml.domToWorkspace(Blockly.Xml.textToDom(
-            '<block type="controls_if" x="188" y="163"></block>'), this.workspace);
+        Blockly.Xml.domToWorkspace(
+          Blockly.utils.xml.textToDom(
+            '<block type="controls_if" x="188" y="163"></block>',
+          ),
+          this.workspace,
+        );
         this.clock.runAll();
         assertEventNotFired(
-            this.eventsFireStub, Blockly.Events.Ui, {element: 'viewport'});
-        assertEventNotFired(
-            this.changeListenerSpy, Blockly.Events.Ui, {element: 'viewport'});
+          this.changeListenerSpy,
+          Blockly.Events.ViewportChange,
+          {type: eventUtils.VIEWPORT_CHANGE},
+        );
       });
-      test('domToWorkspace at 0,0 that doesn\'t trigger scroll' , function() {
+      test("domToWorkspace at 0,0 that doesn't trigger scroll", function () {
         // 4 blocks with space in center.
         Blockly.Xml.domToWorkspace(
-            Blockly.Xml.textToDom(
-                '<xml xmlns="https://developers.google.com/blockly/xml">' +
-                '<block type="controls_if" x="-75" y="-72"></block>' +
-                '<block type="controls_if" x="75" y="-72"></block>' +
-                '<block type="controls_if" x="-75" y="75"></block>' +
-                '<block type="controls_if" x="75" y="75"></block>' +
-                '</xml>'),
-            this.workspace);
-        var xmlDom = Blockly.Xml.textToDom(
-            '<block type="controls_if" x="0" y="0"></block>');
+          Blockly.utils.xml.textToDom(
+            '<xml xmlns="https://developers.google.com/blockly/xml">' +
+              '<block type="controls_if" x="-75" y="-72"></block>' +
+              '<block type="controls_if" x="75" y="-72"></block>' +
+              '<block type="controls_if" x="-75" y="75"></block>' +
+              '<block type="controls_if" x="75" y="75"></block>' +
+              '</xml>',
+          ),
+          this.workspace,
+        );
+        const xmlDom = Blockly.utils.xml.textToDom(
+          '<block type="controls_if" x="0" y="0"></block>',
+        );
         this.clock.runAll();
-        resetEventHistory(this.eventsFireStub, this.changeListenerSpy);
+        resetEventHistory(this.changeListenerSpy);
         // Add block in center of other blocks, not triggering scroll.
         Blockly.Xml.domToWorkspace(xmlDom, this.workspace);
         this.clock.runAll();
         assertEventNotFired(
-            this.eventsFireStub, Blockly.Events.Ui, {element: 'viewport'});
-        assertEventNotFired(
-            this.changeListenerSpy, Blockly.Events.Ui, {element: 'viewport'});
+          this.changeListenerSpy,
+          Blockly.Events.ViewportChange,
+          {type: eventUtils.VIEWPORT_CHANGE},
+        );
       });
-      test('domToWorkspace multiple blocks triggers one viewport event', function() {
-        var addingMultipleBlocks = () => {
+      test.skip('domToWorkspace multiple blocks triggers one viewport event', function () {
+        // TODO: Un-skip after adding filtering for consecutive viewport events.
+        const addingMultipleBlocks = () => {
           Blockly.Xml.domToWorkspace(
-              Blockly.Xml.textToDom(
-                  '<xml xmlns="https://developers.google.com/blockly/xml">' +
-                  '<block type="controls_if" x="88" y="88"></block>' +
-                  '<block type="controls_if" x="288" y="88"></block>' +
-                  '<block type="controls_if" x="88" y="238"></block>' +
-                  '<block type="controls_if" x="288" y="238"></block>' +
-                  '</xml>'),
-              this.workspace);
+            Blockly.utils.xml.textToDom(
+              '<xml xmlns="https://developers.google.com/blockly/xml">' +
+                '<block type="controls_if" x="88" y="88"></block>' +
+                '<block type="controls_if" x="288" y="88"></block>' +
+                '<block type="controls_if" x="88" y="238"></block>' +
+                '<block type="controls_if" x="288" y="238"></block>' +
+                '</xml>',
+            ),
+            this.workspace,
+          );
         };
         // Expect 10 events, 4 create, 4 move, 1 viewport, 1 finished loading
-        runViewportEventTest(addingMultipleBlocks, this.eventsFireStub,
-            this.changeListenerSpy, this.workspace, this.clock, 10);
+        runViewportEventTest(
+          addingMultipleBlocks,
+          this.changeListenerSpy,
+          this.workspace,
+          this.clock,
+          10,
+        );
       });
     });
   });
-
-  suite('Workspace Base class', function() {
+  suite('Workspace Base class', function () {
     testAWorkspace();
   });
 });
diff --git a/tests/mocha/workspace_test.js b/tests/mocha/workspace_test.js
index e9bc9ece982..58829a77aae 100644
--- a/tests/mocha/workspace_test.js
+++ b/tests/mocha/workspace_test.js
@@ -4,1539 +4,24 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('Workspace', function() {
-  setup(function() {
+import {assertVariableValues} from './test_helpers/variables.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+import {testAWorkspace} from './test_helpers/workspace.js';
+
+suite('Workspace', function () {
+  setup(function () {
     sharedTestSetup.call(this);
     this.workspace = new Blockly.Workspace();
   });
 
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
   // eslint-disable-next-line no-use-before-define
   testAWorkspace();
 });
-
-function testAWorkspace() {
-  setup(function() {
-    Blockly.defineBlocksWithJsonArray([{
-      "type": "get_var_block",
-      "message0": "%1",
-      "args0": [
-        {
-          "type": "field_variable",
-          "name": "VAR",
-          "variableTypes": ["", "type1", "type2"]
-        }
-      ]
-    }]);
-  });
-
-  teardown(function() {
-    // Clear Blockly.Event state.
-    Blockly.Events.setGroup(false);
-    Blockly.Events.disabled_ = 0;
-    sinon.restore();
-  });
-
-  function assertBlockVarModelName(workspace, blockIndex, name) {
-    var block = workspace.topBlocks_[blockIndex];
-    chai.assert.exists(block, 'Block at topBlocks_[' + blockIndex + ']');
-    var varModel = block.getVarModels()[0];
-    chai.assert.exists(varModel,
-        'VariableModel for block at topBlocks_[' + blockIndex + ']');
-    var blockVarName = varModel.name;
-    chai.assert.equal(blockVarName, name,
-        'VariableModel name for block at topBlocks_[' + blockIndex + ']');
-  }
-
-  function createVarBlocksNoEvents(workspace, ids) {
-    var blocks = [];
-    // Turn off events to avoid testing XML at the same time.
-    Blockly.Events.disable();
-    for (var i = 0, id; (id = ids[i]); i++) {
-      var block = new Blockly.Block(workspace, 'get_var_block');
-      block.inputList[0].fieldRow[0].setValue(id);
-      blocks.push(block);
-    }
-    Blockly.Events.enable();
-    return blocks;
-  }
-
-  suite('clear', function() {
-    test('Trivial', function() {
-      sinon.stub(Blockly.Events, "setGroup").returns(null);
-      this.workspace.createVariable('name1', 'type1', 'id1');
-      this.workspace.createVariable('name2', 'type2', 'id2');
-      this.workspace.newBlock('');
-
-      this.workspace.clear();
-      chai.assert.equal(this.workspace.topBlocks_.length, 0);
-      var varMapLength =
-          Object.keys(this.workspace.variableMap_.variableMap_).length;
-      chai.assert.equal(varMapLength, 0);
-    });
-
-    test('No variables', function() {
-      sinon.stub(Blockly.Events, "setGroup").returns(null);
-      this.workspace.newBlock('');
-
-      this.workspace.clear();
-      chai.assert.equal(this.workspace.topBlocks_.length, 0);
-      var varMapLength =
-          Object.keys(this.workspace.variableMap_.variableMap_).length;
-      chai.assert.equal(varMapLength, 0);
-    });
-  });
-
-  suite('deleteVariable', function() {
-    setup(function() {
-      // Create two variables of different types.
-      this.var1 = this.workspace.createVariable('name1', 'type1', 'id1');
-      this.var2 = this.workspace.createVariable('name2', 'type2', 'id2');
-      // Create blocks to refer to both of them.
-      createVarBlocksNoEvents(this.workspace, ['id1', 'id1', 'id2']);
-    });
-
-    test('deleteVariableById(id2) one usage', function() {
-      // Deleting variable one usage should not trigger confirm dialog.
-      var stub =
-          sinon.stub(Blockly, "confirm").callsArgWith(1, true);
-      this.workspace.deleteVariableById('id2');
-
-      sinon.assert.notCalled(stub);
-      var variable = this.workspace.getVariableById('id2');
-      chai.assert.isNull(variable);
-      assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-      assertBlockVarModelName(this.workspace, 0, 'name1');
-    });
-
-    test('deleteVariableById(id1) multiple usages confirm', function() {
-      // Deleting variable with multiple usages triggers confirm dialog.
-      var stub =
-          sinon.stub(Blockly, "confirm").callsArgWith(1, true);
-      this.workspace.deleteVariableById('id1');
-
-      sinon.assert.calledOnce(stub);
-      var variable = this.workspace.getVariableById('id1');
-      chai.assert.isNull(variable);
-      assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-      assertBlockVarModelName(this.workspace, 0, 'name2');
-    });
-
-    test('deleteVariableById(id1) multiple usages cancel', function() {
-      // Deleting variable with multiple usages triggers confirm dialog.
-      var stub =
-          sinon.stub(Blockly, "confirm").callsArgWith(1, false);
-      this.workspace.deleteVariableById('id1');
-
-      sinon.assert.calledOnce(stub);
-      assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-      assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-      assertBlockVarModelName(this.workspace, 0, 'name1');
-      assertBlockVarModelName(this.workspace, 1, 'name1');
-      assertBlockVarModelName(this.workspace, 2, 'name2');
-    });
-  });
-
-  suite('renameVariableById', function() {
-    setup(function() {
-      this.workspace.createVariable('name1', 'type1', 'id1');
-    });
-
-    test('No references rename to name2', function() {
-      this.workspace.renameVariableById('id1', 'name2');
-      assertVariableValues(this.workspace, 'name2', 'type1', 'id1');
-      // Renaming should not have created a new variable.
-      chai.assert.equal(this.workspace.getAllVariables().length, 1);
-    });
-
-    test('Reference exists rename to name2', function() {
-      createVarBlocksNoEvents(this.workspace, ['id1']);
-
-      this.workspace.renameVariableById('id1', 'name2');
-      assertVariableValues(this.workspace, 'name2', 'type1', 'id1');
-      // Renaming should not have created a new variable.
-      chai.assert.equal(this.workspace.getAllVariables().length, 1);
-      assertBlockVarModelName(this.workspace, 0, 'name2');
-    });
-
-    test('Reference exists different capitalization rename to Name1', function() {
-      createVarBlocksNoEvents(this.workspace, ['id1']);
-
-      this.workspace.renameVariableById('id1', 'Name1');
-      assertVariableValues(this.workspace, 'Name1', 'type1', 'id1');
-      // Renaming should not have created a new variable.
-      chai.assert.equal(this.workspace.getAllVariables().length, 1);
-      assertBlockVarModelName(this.workspace, 0, 'Name1');
-    });
-
-    suite('Two variables rename overlap', function() {
-      test('Same type rename variable with id1 to name2', function() {
-        this.workspace.createVariable('name2', 'type1', 'id2');
-        createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
-
-        this.workspace.renameVariableById('id1', 'name2');
-
-        // The second variable should remain unchanged.
-        assertVariableValues(this.workspace, 'name2', 'type1', 'id2');
-        // The first variable should have been deleted.
-        var variable = this.workspace.getVariableById('id1');
-        chai.assert.isNull(variable);
-        // There should only be one variable left.
-        chai.assert.equal(this.workspace.getAllVariables().length, 1);
-
-        // Both blocks should now reference variable with name2.
-        assertBlockVarModelName(this.workspace, 0, 'name2');
-        assertBlockVarModelName(this.workspace, 1, 'name2');
-      });
-
-      test('Different type rename variable with id1 to name2', function() {
-        this.workspace.createVariable('name2', 'type2', 'id2');
-        createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
-
-        this.workspace.renameVariableById('id1', 'name2');
-
-        // Variables with different type are allowed to have the same name.
-        assertVariableValues(this.workspace, 'name2', 'type1', 'id1');
-        assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-
-        // Both blocks should now reference variable with name2.
-        assertBlockVarModelName(this.workspace, 0, 'name2');
-        assertBlockVarModelName(this.workspace, 1, 'name2');
-      });
-
-      test('Same type different capitalization rename variable with id1 to Name2', function() {
-        this.workspace.createVariable('name2', 'type1', 'id2');
-        createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
-
-        this.workspace.renameVariableById('id1', 'Name2');
-
-        // The second variable should be updated.
-        assertVariableValues(this.workspace, 'Name2', 'type1', 'id2');
-        // The first variable should have been deleted.
-        var variable = this.workspace.getVariableById('id1');
-        chai.assert.isNull(variable);
-        // There should only be one variable left.
-        chai.assert.equal(this.workspace.getAllVariables().length, 1);
-
-        // Both blocks should now reference variable with Name2.
-        assertBlockVarModelName(this.workspace, 0, 'Name2');
-        assertBlockVarModelName(this.workspace, 1, 'Name2');
-      });
-
-      test('Different type different capitalization rename variable with id1 to Name2', function() {
-        this.workspace.createVariable('name2', 'type2', 'id2');
-        createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
-
-        this.workspace.renameVariableById('id1', 'Name2');
-
-        // Variables with different type are allowed to have the same name.
-        assertVariableValues(this.workspace, 'Name2', 'type1', 'id1');
-        // Second variable should remain unchanged.
-        assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-
-        // Only first block should use new capitalization.
-        assertBlockVarModelName(this.workspace, 0, 'Name2');
-        assertBlockVarModelName(this.workspace, 1, 'name2');
-      });
-    });
-  });
-
-  suite('getTopBlocks(ordered=true)', function() {
-    test('Empty workspace', function() {
-      chai.assert.equal(this.workspace.getTopBlocks(true).length, 0);
-    });
-
-    test('Flat workspace one block', function() {
-      this.workspace.newBlock('');
-      chai.assert.equal(this.workspace.getTopBlocks(true).length, 1);
-    });
-
-    test('Flat workspace one block after dispose', function() {
-      var blockA = this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      blockA.dispose();
-      chai.assert.equal(this.workspace.getTopBlocks(true).length, 1);
-    });
-
-    test('Flat workspace two blocks', function() {
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      chai.assert.equal(this.workspace.getTopBlocks(true).length, 2);
-    });
-
-    test('Clear', function() {
-      this.workspace.clear();
-      chai.assert.equal(this.workspace.getTopBlocks(true).length, 0,
-          'Clear empty workspace');
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      this.workspace.clear();
-      chai.assert.equal(this.workspace.getTopBlocks(true).length, 0);
-    });
-  });
-
-  suite('getTopBlocks(ordered=false)', function() {
-    test('Empty workspace', function() {
-      chai.assert.equal(this.workspace.getTopBlocks(false).length, 0);
-    });
-
-    test('Flat workspace one block', function() {
-      this.workspace.newBlock('');
-      chai.assert.equal(this.workspace.getTopBlocks(false).length, 1);
-    });
-
-    test('Flat workspace one block after dispose', function() {
-      var blockA = this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      blockA.dispose();
-      chai.assert.equal(this.workspace.getTopBlocks(false).length, 1);
-    });
-
-    test('Flat workspace two blocks', function() {
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      chai.assert.equal(this.workspace.getTopBlocks(false).length, 2);
-    });
-
-    test('Clear empty workspace', function() {
-      this.workspace.clear();
-      chai.assert.equal(this.workspace.getTopBlocks(false).length, 0);
-    });
-
-    test('Clear non-empty workspace', function() {
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      this.workspace.clear();
-      chai.assert.equal(this.workspace.getTopBlocks(false).length, 0);
-    });
-  });
-
-  suite('getAllBlocks', function() {
-    test('Empty workspace', function() {
-      chai.assert.equal(this.workspace.getAllBlocks(true).length, 0);
-    });
-
-    test('Flat workspace one block', function() {
-      this.workspace.newBlock('');
-      chai.assert.equal(this.workspace.getAllBlocks(true).length, 1);
-    });
-
-    test('Flat workspace one block after dispose', function() {
-      var blockA = this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      blockA.dispose();
-      chai.assert.equal(this.workspace.getAllBlocks(true).length, 1);
-    });
-
-    test('Flat workspace two blocks', function() {
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      chai.assert.equal(this.workspace.getAllBlocks(true).length, 2);
-    });
-
-    test('Clear', function() {
-      this.workspace.clear();
-      chai.assert.equal(this.workspace.getAllBlocks(true).length, 0,
-          'Clear empty workspace');
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      this.workspace.clear();
-      chai.assert.equal(this.workspace.getAllBlocks(true).length, 0);
-    });
-  });
-
-  suite('remainingCapacity', function() {
-    setup(function() {
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-    });
-
-    test('No block limit', function() {
-      chai.assert.equal(this.workspace.remainingCapacity(), Infinity);
-    });
-
-    test('Under block limit', function() {
-      this.workspace.options.maxBlocks = 3;
-      chai.assert.equal(this.workspace.remainingCapacity(), 1);
-      this.workspace.options.maxBlocks = 4;
-      chai.assert.equal(this.workspace.remainingCapacity(), 2);
-    });
-
-    test('At block limit', function() {
-      this.workspace.options.maxBlocks = 2;
-      chai.assert.equal(this.workspace.remainingCapacity(), 0);
-    });
-
-    test('At block limit of 0 after clear', function() {
-      this.workspace.options.maxBlocks = 0;
-      this.workspace.clear();
-      chai.assert.equal(this.workspace.remainingCapacity(), 0);
-    });
-
-    test('Over block limit', function() {
-      this.workspace.options.maxBlocks = 1;
-      chai.assert.equal(this.workspace.remainingCapacity(), -1);
-    });
-
-    test('Over block limit of 0', function() {
-      this.workspace.options.maxBlocks = 0;
-      chai.assert.equal(this.workspace.remainingCapacity(), -2);
-    });
-  });
-
-  suite('remainingCapacityOfType', function() {
-    setup(function() {
-      this.workspace.newBlock('get_var_block');
-      this.workspace.newBlock('get_var_block');
-      this.workspace.options.maxInstances = {};
-    });
-
-    test('No instance limit', function() {
-      chai.assert.equal(this.workspace.remainingCapacityOfType('get_var_block'),
-          Infinity);
-    });
-
-    test('Under instance limit', function() {
-      this.workspace.options.maxInstances['get_var_block'] = 3;
-      chai.assert.equal(this.workspace.remainingCapacityOfType('get_var_block'),
-          1, 'With maxInstances limit 3');
-      this.workspace.options.maxInstances['get_var_block'] = 4;
-      chai.assert.equal(this.workspace.remainingCapacityOfType('get_var_block'),
-          2, 'With maxInstances limit 4');
-    });
-
-    test('Under instance limit with multiple block types', function() {
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      this.workspace.options.maxInstances['get_var_block'] = 3;
-      chai.assert.equal(this.workspace.remainingCapacityOfType('get_var_block'),
-          1, 'With maxInstances limit 3');
-      this.workspace.options.maxInstances['get_var_block'] = 4;
-      chai.assert.equal(this.workspace.remainingCapacityOfType('get_var_block'),
-          2, 'With maxInstances limit 4');
-    });
-
-    test('At instance limit', function() {
-      this.workspace.options.maxInstances['get_var_block'] = 2;
-      chai.assert.equal(this.workspace.remainingCapacityOfType('get_var_block'),
-          0, 'With maxInstances limit 2');
-    });
-
-    test('At instance limit of 0 after clear', function() {
-      this.workspace.clear();
-      this.workspace.options.maxInstances['get_var_block'] = 0;
-      chai.assert.equal(this.workspace.remainingCapacityOfType('get_var_block'),
-          0);
-    });
-
-    test('At instance limit with multiple block types', function() {
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      this.workspace.options.maxInstances['get_var_block'] = 2;
-      chai.assert.equal(this.workspace.remainingCapacityOfType('get_var_block'),
-          0, 'With maxInstances limit 2');
-    });
-
-    test('At instance limit of 0 with multiple block types', function() {
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      this.workspace.options.maxInstances['get_var_block'] = 0;
-      this.workspace.clear();
-      chai.assert.equal(this.workspace.remainingCapacityOfType('get_var_block'),
-          0);
-    });
-
-    test('Over instance limit', function() {
-      this.workspace.options.maxInstances['get_var_block'] = 1;
-      chai.assert.equal(this.workspace.remainingCapacityOfType('get_var_block'),
-          -1,'With maxInstances limit 1');
-    });
-
-    test('Over instance limit of 0', function() {
-      this.workspace.options.maxInstances['get_var_block'] = 0;
-      chai.assert.equal(this.workspace.remainingCapacityOfType('get_var_block'),
-          -2,'With maxInstances limit 0');
-    });
-
-    test('Over instance limit with multiple block types', function() {
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      this.workspace.options.maxInstances['get_var_block'] = 1;
-      chai.assert.equal(this.workspace.remainingCapacityOfType('get_var_block'),
-          -1,'With maxInstances limit 1');
-    });
-
-    test('Over instance limit of 0 with multiple block types', function() {
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      this.workspace.newBlock('');
-      this.workspace.options.maxInstances['get_var_block'] = 0;
-      chai.assert.equal(this.workspace.remainingCapacityOfType('get_var_block'),
-          -2,'With maxInstances limit 0');
-    });
-  });
-
-  suite('isCapacityAvailable', function() {
-    setup(function() {
-      this.workspace.newBlock('get_var_block');
-      this.workspace.newBlock('get_var_block');
-      this.workspace.options.maxInstances = {};
-    });
-
-    test('Under block limit and no instance limit', function() {
-      this.workspace.options.maxBlocks = 3;
-      var typeCountsMap = {'get_var_block': 1};
-      chai.assert.isTrue(this.workspace.isCapacityAvailable(typeCountsMap));
-    });
-
-    test('At block limit and no instance limit', function() {
-      this.workspace.options.maxBlocks = 2;
-      var typeCountsMap = {'get_var_block': 1};
-      chai.assert.isFalse(this.workspace.isCapacityAvailable(typeCountsMap));
-    });
-
-    test('Over block limit of 0 and no instance limit', function() {
-      this.workspace.options.maxBlocks = 0;
-      var typeCountsMap = {'get_var_block': 1};
-      chai.assert.isFalse(this.workspace.isCapacityAvailable(typeCountsMap));
-    });
-
-    test('Over block limit but under instance limit', function() {
-      this.workspace.options.maxBlocks = 1;
-      this.workspace.options.maxInstances['get_var_block'] = 3;
-      var typeCountsMap = {'get_var_block': 1};
-      chai.assert.isFalse(this.workspace.isCapacityAvailable(typeCountsMap),
-          'With maxBlocks limit 1 and maxInstances limit 3');
-    });
-
-    test('Over block limit of 0 but under instance limit', function() {
-      this.workspace.options.maxBlocks = 0;
-      this.workspace.options.maxInstances['get_var_block'] = 3;
-      var typeCountsMap = {'get_var_block': 1};
-      chai.assert.isFalse(this.workspace.isCapacityAvailable(typeCountsMap),
-          'With maxBlocks limit 0 and maxInstances limit 3');
-    });
-
-    test('Over block limit but at instance limit', function() {
-      this.workspace.options.maxBlocks = 1;
-      this.workspace.options.maxInstances['get_var_block'] = 2;
-      var typeCountsMap = {'get_var_block': 1};
-      chai.assert.isFalse(this.workspace.isCapacityAvailable(typeCountsMap),
-          'With maxBlocks limit 1 and maxInstances limit 2');
-    });
-
-    test('Over block limit and over instance limit', function() {
-      this.workspace.options.maxBlocks = 1;
-      this.workspace.options.maxInstances['get_var_block'] = 1;
-      var typeCountsMap = {'get_var_block': 1};
-      chai.assert.isFalse(this.workspace.isCapacityAvailable(typeCountsMap),
-          'With maxBlocks limit 1 and maxInstances limit 1');
-    });
-
-    test('Over block limit of 0 and over instance limit', function() {
-      this.workspace.options.maxBlocks = 0;
-      this.workspace.options.maxInstances['get_var_block'] = 1;
-      var typeCountsMap = {'get_var_block': 1};
-      chai.assert.isFalse(this.workspace.isCapacityAvailable(typeCountsMap),
-          'With maxBlocks limit 0 and maxInstances limit 1');
-    });
-
-    test('Over block limit and over instance limit of 0', function() {
-      this.workspace.options.maxBlocks = 1;
-      this.workspace.options.maxInstances['get_var_block'] = 0;
-      var typeCountsMap = {'get_var_block': 1};
-      chai.assert.isFalse(this.workspace.isCapacityAvailable(typeCountsMap),
-          'With maxBlocks limit 1 and maxInstances limit 0');
-    });
-
-    test('Over block limit of 0 and over instance limit of 0', function() {
-      this.workspace.options.maxBlocks = 0;
-      this.workspace.options.maxInstances['get_var_block'] = 0;
-      var typeCountsMap = {'get_var_block': 1};
-      chai.assert.isFalse(this.workspace.isCapacityAvailable(typeCountsMap));
-    });
-  });
-
-  suite('getById', function() {
-    setup(function() {
-      this.workspaceB = this.workspace.rendered ?
-          new Blockly.WorkspaceSvg(new Blockly.Options({})) :
-          new Blockly.Workspace();
-    });
-
-    teardown(function() {
-      workspaceTeardown.call(this, this.workspaceB);
-    });
-
-    test('Trivial', function() {
-      chai.assert.equal(Blockly.Workspace.getById(
-          this.workspace.id), this.workspace, 'Find workspace');
-      chai.assert.equal(Blockly.Workspace.getById(
-          this.workspaceB.id), this.workspaceB, 'Find workspaceB');
-    });
-
-    test('Null id', function() {
-      chai.assert.isNull(Blockly.Workspace.getById(null));
-    });
-
-    test('Non-existent id', function() {
-      chai.assert.isNull(Blockly.Workspace.getById('badId'));
-    });
-
-    test('After dispose', function() {
-      this.workspaceB.dispose();
-      chai.assert.isNull(Blockly.Workspace.getById(this.workspaceB.id));
-    });
-  });
-
-  suite('getBlockById', function() {
-    setup(function() {
-      this.blockA = this.workspace.newBlock('');
-      this.blockB = this.workspace.newBlock('');
-      this.workspaceB = this.workspace.rendered ?
-          new Blockly.WorkspaceSvg(new Blockly.Options({})) :
-          new Blockly.Workspace();
-    });
-
-    teardown(function() {
-      workspaceTeardown.call(this, this.workspaceB);
-    });
-
-    test('Trivial', function() {
-      chai.assert.equal(
-          this.workspace.getBlockById(this.blockA.id),this.blockA);
-      chai.assert.equal(
-          this.workspace.getBlockById(this.blockB.id), this.blockB);
-    });
-
-    test('Null id', function() {
-      chai.assert.isNull(this.workspace.getBlockById(null));
-    });
-
-    test('Non-existent id', function() {
-      chai.assert.isNull(this.workspace.getBlockById('badId'));
-    });
-
-    test('After dispose', function() {
-      this.blockA.dispose();
-      chai.assert.isNull(this.workspace.getBlockById(this.blockA.id));
-      chai.assert.equal(
-          this.workspace.getBlockById(this.blockB.id), this.blockB);
-    });
-
-    test('After clear', function() {
-      this.workspace.clear();
-      chai.assert.isNull(this.workspace.getBlockById(this.blockA.id));
-      chai.assert.isNull(this.workspace.getBlockById(this.blockB.id));
-    });
-  });
-
-  suite('Undo/Redo', function() {
-
-    /**
-     * Assert that two nodes are equal.
-     * @param {!Element} actual the actual node.
-     * @param {!Element} expected the expected node.
-     */
-    function assertNodesEqual(actual, expected) {
-      var actualString = '\n' + Blockly.Xml.domToPrettyText(actual) + '\n';
-      var expectedString = '\n' + Blockly.Xml.domToPrettyText(expected) + '\n';
-
-      chai.assert.equal(actual.tagName, expected.tagName);
-      for (var i = 0, attr; (attr = expected.attributes[i]); i++) {
-        chai.assert.equal(actual.getAttribute(attr.name), attr.value,
-            `expected attribute ${attr.name} on ${actualString} to match ` +
-            `${expectedString}`);
-      }
-      chai.assert.equal(actual.childElementCount, expected.childElementCount,
-          `expected node ${actualString} to have the same children as node ` +
-          `${expectedString}`);
-      for (var i = 0; i < expected.childElementCount; i++) {
-        assertNodesEqual(actual.children[i], expected.children[i]);
-      }
-    }
-
-    suite('Undo Delete', function() {
-      setup(function() {
-        Blockly.defineBlocksWithJsonArray([
-          {
-            "type": "stack_block",
-            "message0": "",
-            "previousStatement": null,
-            "nextStatement": null
-          },
-          {
-            "type": "row_block",
-            "message0": "%1",
-            "args0": [
-              {
-                "type": "input_value",
-                "name": "INPUT"
-              }
-            ],
-            "output": null
-          },
-          {
-            "type": "statement_block",
-            "message0": "%1",
-            "args0": [
-              {
-                "type": "input_statement",
-                "name": "STATEMENT"
-              }
-            ],
-            "previousStatement": null,
-            "nextStatement": null
-          }]);
-      });
-
-      teardown(function() {
-        delete Blockly.Blocks['stack_block'];
-        delete Blockly.Blocks['row_block'];
-        delete Blockly.Blocks['statement_block'];
-      });
-
-      function testUndoDelete(xmlText) {
-        var xml = Blockly.Xml.textToDom(xmlText);
-        Blockly.Xml.domToBlock(xml, this.workspace);
-        this.workspace.getTopBlocks()[0].dispose(false);
-        this.workspace.undo();
-        var newXml = Blockly.Xml.workspaceToDom(this.workspace);
-        assertNodesEqual(newXml.firstChild, xml);
-      }
-
-      test('Stack', function() {
-        testUndoDelete.call(this, '<block type="stack_block" id="1"/>');
-      });
-
-      test('Row', function() {
-        testUndoDelete.call(this, '<block type="row_block" id="1"/>');
-      });
-
-      test('Statement', function() {
-        testUndoDelete.call(this, '<block type="statement_block" id="1"/>');
-      });
-
-      test('Stack w/ child', function() {
-        testUndoDelete.call(this,
-            '<block type="stack_block" id="1">' +
-            '  <next>' +
-            '    <block type="stack_block" id="2"></block>' +
-            '  </next>' +
-            '</block>'
-        );
-      });
-
-      test('Row w/ child', function() {
-        testUndoDelete.call(this,
-            '<block type="row_block" id="1">' +
-            '  <value name="INPUT">' +
-            '    <block type="row_block" id="2"></block>' +
-            '  </value>' +
-            '</block>'
-        );
-      });
-
-      test('Statement w/ child', function() {
-        testUndoDelete.call(this,
-            '<block type="statement_block" id="1">' +
-            '  <statement name="STATEMENT">' +
-            '    <block type="stack_block" id="2"></block>' +
-            '  </statement>' +
-            '</block>'
-        );
-      });
-
-      test('Stack w/ shadow', function() {
-        testUndoDelete.call(this,
-            '<block type="stack_block" id="1">' +
-            '  <next>' +
-            '    <shadow type="stack_block" id="2"></shadow>' +
-            '  </next>' +
-            '</block>'
-        );
-      });
-
-      test('Row w/ shadow', function() {
-        testUndoDelete.call(this,
-            '<block type="row_block" id="1">' +
-            '  <value name="INPUT">' +
-            '    <shadow type="row_block" id="2"></shadow>' +
-            '  </value>' +
-            '</block>'
-        );
-      });
-
-      test('Statement w/ shadow', function() {
-        testUndoDelete.call(this,
-            '<block type="statement_block" id="1">' +
-            '  <statement name="STATEMENT">' +
-            '    <shadow type="stack_block" id="2"></shadow>' +
-            '  </statement>' +
-            '</block>'
-        );
-      });
-    });
-
-    suite('Undo Connect', function() {
-
-      setup(function() {
-        Blockly.defineBlocksWithJsonArray([
-          {
-            "type": "stack_block",
-            "message0": "",
-            "previousStatement": null,
-            "nextStatement": null
-          },
-          {
-            "type": "row_block",
-            "message0": "%1",
-            "args0": [
-              {
-                "type": "input_value",
-                "name": "INPUT"
-              }
-            ],
-            "output": null
-          },
-          {
-            "type": "statement_block",
-            "message0": "%1",
-            "args0": [
-              {
-                "type": "input_statement",
-                "name": "STATEMENT"
-              }
-            ],
-            "previousStatement": null,
-            "nextStatement": null
-          }]);
-      });
-
-      teardown(function() {
-        delete Blockly.Blocks['stack_block'];
-        delete Blockly.Blocks['row_block'];
-        delete Blockly.Blocks['statement_block'];
-      });
-
-      function testUndoConnect(xmlText, parentId, childId, func) {
-        var xml = Blockly.Xml.textToDom(xmlText);
-        Blockly.Xml.domToWorkspace(xml, this.workspace);
-
-        var parent = this.workspace.getBlockById(parentId);
-        var child = this.workspace.getBlockById(childId);
-        func.call(this, parent, child);
-        this.workspace.undo();
-
-        var newXml = Blockly.Xml.workspaceToDom(this.workspace);
-        assertNodesEqual(newXml, xml);
-      }
-
-      test('Stack', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="stack_block" id="1"></block>' +
-            '  <block type="stack_block" id="2"></block>' +
-            '</xml>';
-
-        testUndoConnect.call(this, xml, 1, 2, (parent, child) => {
-          parent.nextConnection.connect(child.previousConnection);
-        });
-      });
-
-      test('Row', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="row_block" id="1"></block>' +
-            '  <block type="row_block" id="2"></block>' +
-            '</xml>';
-
-        testUndoConnect.call(this, xml, 1, 2, (parent, child) => {
-          parent.getInput('INPUT').connection.connect(child.outputConnection);
-        });
-      });
-
-      test('Statement', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="statement_block" id="1"></block>' +
-            '  <block type="stack_block" id="2"></block>' +
-            '</xml>';
-
-        testUndoConnect.call(this, xml, 1, 2, (parent, child) => {
-          parent.getInput('STATEMENT').connection
-              .connect(child.previousConnection);
-        });
-      });
-
-      test('Stack w/ child', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="stack_block" id="1">' +
-            '    <next>' +
-            '      <block type="stack_block" id="3"></block>' +
-            '    </next>' +
-            '  </block>' +
-            '  <block type="stack_block" id="2"></block>' +
-            '</xml>';
-
-        testUndoConnect.call(this, xml, 1, 2, (parent, child) => {
-          parent.nextConnection.connect(child.previousConnection);
-        });
-      });
-
-      test('Row w/ child', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="row_block" id="1">' +
-            '    <value name="INPUT">' +
-            '      <block type="row_block" id="3"></block>' +
-            '    </value>' +
-            '  </block>' +
-            '  <block type="row_block" id="2"></block>' +
-            '</xml>';
-
-        testUndoConnect.call(this, xml, 1, 2, (parent, child) => {
-          parent.getInput('INPUT').connection.connect(child.outputConnection);
-        });
-      });
-
-      test('Statement w/ child', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="statement_block" id="1">' +
-            '    <statement name="STATEMENT">' +
-            '      <block type="stack_block" id="3"></block>' +
-            '    </statement>' +
-            '  </block>' +
-            '  <block type="stack_block" id="2"></block>' +
-            '</xml>';
-
-        testUndoConnect.call(this, xml, 1, 2, (parent, child) => {
-          parent.getInput('STATEMENT').connection
-              .connect(child.previousConnection);
-        });
-      });
-
-      test('Stack w/ shadow', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="stack_block" id="1">' +
-            '    <next>' +
-            '      <shadow type="stack_block" id="3"></shadow>' +
-            '    </next>' +
-            '  </block>' +
-            '  <block type="stack_block" id="2"></block>' +
-            '</xml>';
-
-        testUndoConnect.call(this, xml, 1, 2, (parent, child) => {
-          parent.nextConnection.connect(child.previousConnection);
-        });
-      });
-
-      test('Row w/ shadow', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="row_block" id="1">' +
-            '    <value name="INPUT">' +
-            '      <shadow type="row_block" id="3"></shadow>' +
-            '    </value>' +
-            '  </block>' +
-            '  <block type="row_block" id="2"></block>' +
-            '</xml>';
-
-        testUndoConnect.call(this, xml, 1, 2, (parent, child) => {
-          parent.getInput('INPUT').connection.connect(child.outputConnection);
-        });
-      });
-
-      test('Statement w/ shadow', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="statement_block" id="1">' +
-            '    <statement name="STATEMENT">' +
-            '      <shadow type="stack_block" id="3"></shadow>' +
-            '    </statement>' +
-            '  </block>' +
-            '  <block type="stack_block" id="2"></block>' +
-            '</xml>';
-
-        testUndoConnect.call(this, xml, 1, 2, (parent, child) => {
-          parent.getInput('STATEMENT').connection
-              .connect(child.previousConnection);
-        });
-      });
-    });
-
-    suite('Undo Disconnect', function() {
-
-      setup(function() {
-        Blockly.defineBlocksWithJsonArray([
-          {
-            "type": "stack_block",
-            "message0": "",
-            "previousStatement": null,
-            "nextStatement": null
-          },
-          {
-            "type": "row_block",
-            "message0": "%1",
-            "args0": [
-              {
-                "type": "input_value",
-                "name": "INPUT"
-              }
-            ],
-            "output": null
-          },
-          {
-            "type": "statement_block",
-            "message0": "%1",
-            "args0": [
-              {
-                "type": "input_statement",
-                "name": "STATEMENT"
-              }
-            ],
-            "previousStatement": null,
-            "nextStatement": null
-          }]);
-      });
-
-      teardown(function() {
-        delete Blockly.Blocks['stack_block'];
-        delete Blockly.Blocks['row_block'];
-        delete Blockly.Blocks['statement_block'];
-      });
-
-      function testUndoDisconnect(xmlText, childId) {
-        var xml = Blockly.Xml.textToDom(xmlText);
-        Blockly.Xml.domToWorkspace(xml, this.workspace);
-
-        var child = this.workspace.getBlockById(childId);
-        if (child.outputConnection) {
-          child.outputConnection.disconnect();
-        } else {
-          child.previousConnection.disconnect();
-        }
-        this.workspace.undo();
-
-        var newXml = Blockly.Xml.workspaceToDom(this.workspace);
-        assertNodesEqual(newXml, xml);
-      }
-
-      test('Stack', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="stack_block" id="1">' +
-            '    <next>' +
-            '      <block type="stack_block" id="2"></block>' +
-            '    </next>' +
-            '  </block>' +
-            '</xml>';
-        testUndoDisconnect.call(this, xml, 2);
-      });
-
-      test('Row', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="row_block" id="1">' +
-            '    <value name="INPUT">' +
-            '      <block type="row_block" id="2"></block>' +
-            '    </value>' +
-            '  </block>' +
-            '</xml>';
-        testUndoDisconnect.call(this, xml, 2);
-      });
-
-      test('Statement', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="statement_block" id="1">' +
-            '    <statement name="STATEMENT">' +
-            '      <block type="stack_block" id="2"></block>' +
-            '    </statement>' +
-            '  </block>' +
-            '</xml>';
-        testUndoDisconnect.call(this, xml, 2);
-      });
-
-      test('Stack w/ child', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="stack_block" id="1">' +
-            '    <next>' +
-            '      <block type="stack_block" id="2">' +
-            '        <next>' +
-            '          <block type="stack_block" id="3"></block>' +
-            '        </next>' +
-            '      </block>' +
-            '    </next>' +
-            '  </block>' +
-            '</xml>';
-        testUndoDisconnect.call(this, xml, 2);
-      });
-
-      test('Row w/ child', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="row_block" id="1">' +
-            '    <value name="INPUT">' +
-            '      <block type="row_block" id="2">' +
-            '        <value name="INPUT">' +
-            '          <block type="row_block" id="3"></block>' +
-            '        </value>' +
-            '      </block>' +
-            '    </value>' +
-            '  </block>' +
-            '</xml>';
-        testUndoDisconnect.call(this, xml, 2);
-      });
-
-      test('Statement w/ child', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="statement_block" id="1">' +
-            '    <statement name="STATEMENT">' +
-            '      <block type="statement_block" id="2">' +
-            '        <statement name="STATEMENT">' +
-            '          <block type="stack_block" id="3"></block>' +
-            '        </statement>' +
-            '      </block>' +
-            '    </statement>' +
-            '  </block>' +
-            '</xml>';
-        testUndoDisconnect.call(this, xml, 2);
-      });
-
-      test('Stack w/ shadow', function() {
-        // TODO: For some reason on next connections shadows are
-        //   serialized second.
-        var xml =
-            '<xml>' +
-            '  <block type="stack_block" id="1">' +
-            '    <next>' +
-            '      <block type="stack_block" id="2"></block>' +
-            '      <shadow type="stack_block" id="3"></shadow>' +
-            '    </next>' +
-            '  </block>' +
-            '</xml>';
-        testUndoDisconnect.call(this, xml, 2);
-        chai.assert.equal(this.workspace.getAllBlocks().length, 2,
-            'expected there to only be 2 blocks on the workspace ' +
-            '(check for shadows)');
-      });
-
-      test('Row w/ shadow', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="row_block" id="1">' +
-            '    <value name="INPUT">' +
-            '      <shadow type="row_block" id="3"></shadow>' +
-            '      <block type="row_block" id="2"></block>' +
-            '    </value>' +
-            '  </block>' +
-            '</xml>';
-        testUndoDisconnect.call(this, xml, 2);
-        chai.assert.equal(this.workspace.getAllBlocks().length, 2,
-            'expected there to only be 2 blocks on the workspace ' +
-            '(check for shadows)');
-      });
-
-      test('Statement w/ shadow', function() {
-        var xml =
-            '<xml>' +
-            '  <block type="statement_block" id="1">' +
-            '    <statement name="STATEMENT">' +
-            '      <shadow type="stack_block" id="3"></shadow>' +
-            '      <block type="stack_block" id="2"></block>' +
-            '    </statement>' +
-            '  </block>' +
-            '</xml>';
-        testUndoDisconnect.call(this, xml, 2);
-      });
-    });
-
-    suite('Variables', function() {
-      function createTwoVarsDifferentTypes(workspace) {
-        workspace.createVariable('name1', 'type1', 'id1');
-        workspace.createVariable('name2', 'type2', 'id2');
-      }
-
-      suite('createVariable', function() {
-        test('Undo only', function() {
-          createTwoVarsDifferentTypes(this.workspace);
-
-          this.workspace.undo();
-          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-          chai.assert.isNull(this.workspace.getVariableById('id2'));
-
-          this.workspace.undo();
-          chai.assert.isNull(this.workspace.getVariableById('id1'));
-          chai.assert.isNull(this.workspace.getVariableById('id2'));
-        });
-
-        test('Undo and redo', function() {
-          createTwoVarsDifferentTypes(this.workspace);
-
-          this.workspace.undo();
-          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-          chai.assert.isNull(this.workspace.getVariableById('id2'));
-
-          this.workspace.undo(true);
-
-          // Expect that variable 'id2' is recreated
-          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-
-          this.workspace.undo();
-          this.workspace.undo();
-          chai.assert.isNull(this.workspace.getVariableById('id1'));
-          chai.assert.isNull(this.workspace.getVariableById('id2'));
-          this.workspace.undo(true);
-
-          // Expect that variable 'id1' is recreated
-          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-          chai.assert.isNull(this.workspace.getVariableById('id2'));
-        });
-      });
-
-      suite('deleteVariableById', function() {
-        test('Undo only no usages', function() {
-          createTwoVarsDifferentTypes(this.workspace);
-          this.workspace.deleteVariableById('id1');
-          this.workspace.deleteVariableById('id2');
-
-          this.workspace.undo();
-          chai.assert.isNull(this.workspace.getVariableById('id1'));
-          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-
-          this.workspace.undo();
-          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-        });
-
-        test('Undo only with usages', function() {
-          createTwoVarsDifferentTypes(this.workspace);
-          // Create blocks to refer to both of them.
-          createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
-          this.workspace.deleteVariableById('id1');
-          this.workspace.deleteVariableById('id2');
-
-          this.workspace.undo();
-          assertBlockVarModelName(this.workspace, 0, 'name2');
-          chai.assert.isNull(this.workspace.getVariableById('id1'));
-          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-
-          this.workspace.undo();
-          assertBlockVarModelName(this.workspace, 0, 'name2');
-          assertBlockVarModelName(this.workspace, 1, 'name1');
-          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-        });
-
-        test('Reference exists no usages', function() {
-          createTwoVarsDifferentTypes(this.workspace);
-          this.workspace.deleteVariableById('id1');
-          this.workspace.deleteVariableById('id2');
-
-          this.workspace.undo();
-          chai.assert.isNull(this.workspace.getVariableById('id1'));
-          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-
-          this.workspace.undo(true);
-          // Expect that both variables are deleted
-          chai.assert.isNull(this.workspace.getVariableById('id1'));
-          chai.assert.isNull(this.workspace.getVariableById('id2'));
-
-          this.workspace.undo();
-          this.workspace.undo();
-          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-
-          this.workspace.undo(true);
-          // Expect that variable 'id2' is recreated
-          chai.assert.isNull(this.workspace.getVariableById('id1'));
-          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-        });
-
-        test('Reference exists with usages', function() {
-          createTwoVarsDifferentTypes(this.workspace);
-          // Create blocks to refer to both of them.
-          createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
-          this.workspace.deleteVariableById('id1');
-          this.workspace.deleteVariableById('id2');
-
-          this.workspace.undo();
-          assertBlockVarModelName(this.workspace, 0, 'name2');
-          chai.assert.isNull(this.workspace.getVariableById('id1'));
-          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-
-          this.workspace.undo(true);
-          // Expect that both variables are deleted
-          chai.assert.equal(this.workspace.topBlocks_.length, 0);
-          chai.assert.isNull(this.workspace.getVariableById('id1'));
-          chai.assert.isNull(this.workspace.getVariableById('id2'));
-
-          this.workspace.undo();
-          this.workspace.undo();
-          assertBlockVarModelName(this.workspace, 0, 'name2');
-          assertBlockVarModelName(this.workspace, 1, 'name1');
-          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-
-          this.workspace.undo(true);
-          // Expect that variable 'id2' is recreated
-          assertBlockVarModelName(this.workspace,0, 'name2');
-          chai.assert.isNull(this.workspace.getVariableById('id1'));
-          assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-        });
-
-        test('Delete same variable twice no usages', function() {
-          this.workspace.createVariable('name1', 'type1', 'id1');
-          this.workspace.deleteVariableById('id1');
-          var workspace = this.workspace;
-          var warnings = captureWarnings(function() {
-            workspace.deleteVariableById('id1');
-          });
-          chai.assert.equal(warnings.length, 1,
-              'Expected 1 warning for second deleteVariableById call.');
-
-          // Check the undoStack only recorded one delete event.
-          var undoStack = this.workspace.undoStack_;
-          chai.assert.equal(undoStack[undoStack.length - 1].type, 'var_delete');
-          chai.assert.notEqual(undoStack[undoStack.length - 2].type, 'var_delete');
-
-          // Undo delete
-          this.workspace.undo();
-          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-
-          // Redo delete
-          this.workspace.undo(true);
-          chai.assert.isNull(this.workspace.getVariableById('id1'));
-
-          // Redo delete, nothing should happen
-          this.workspace.undo(true);
-          chai.assert.isNull(this.workspace.getVariableById('id1'));
-        });
-
-        test('Delete same variable twice with usages', function() {
-          this.workspace.createVariable('name1', 'type1', 'id1');
-          createVarBlocksNoEvents(this.workspace, ['id1']);
-          this.workspace.deleteVariableById('id1');
-          var workspace = this.workspace;
-          var warnings = captureWarnings(function() {
-            workspace.deleteVariableById('id1');
-          });
-          chai.assert.equal(warnings.length, 1,
-              'Expected 1 warning for second deleteVariableById call.');
-
-          // Check the undoStack only recorded one delete event.
-          var undoStack = this.workspace.undoStack_;
-          chai.assert.equal(undoStack[undoStack.length - 1].type, 'var_delete');
-          chai.assert.equal(undoStack[undoStack.length - 2].type, 'delete');
-          chai.assert.notEqual(undoStack[undoStack.length - 3].type, 'var_delete');
-
-          // Undo delete
-          this.workspace.undo();
-          assertBlockVarModelName(this.workspace, 0, 'name1');
-          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-
-          // Redo delete
-          this.workspace.undo(true);
-          chai.assert.equal(this.workspace.topBlocks_.length, 0);
-          chai.assert.isNull(this.workspace.getVariableById('id1'));
-
-          // Redo delete, nothing should happen
-          this.workspace.undo(true);
-          chai.assert.equal(this.workspace.topBlocks_.length, 0);
-          chai.assert.isNull(this.workspace.getVariableById('id1'));
-        });
-      });
-
-      suite('renameVariableById', function() {
-        setup(function() {
-          this.workspace.createVariable('name1', 'type1', 'id1');
-        });
-
-        test('Reference exists no usages rename to name2', function() {
-          this.workspace.renameVariableById('id1', 'name2');
-
-          this.workspace.undo();
-          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-
-          this.workspace.undo(true);
-          assertVariableValues(this.workspace, 'name2', 'type1', 'id1');
-
-        });
-
-        test('Reference exists with usages rename to name2', function() {
-          createVarBlocksNoEvents(this.workspace, ['id1']);
-          this.workspace.renameVariableById('id1', 'name2');
-
-          this.workspace.undo();
-          assertBlockVarModelName(this.workspace, 0, 'name1');
-          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-
-          this.workspace.undo(true);
-          assertBlockVarModelName(this.workspace, 0, 'name2');
-          assertVariableValues(this.workspace, 'name2', 'type1', 'id1');
-        });
-
-        test('Reference exists different capitalization no usages rename to Name1', function() {
-          this.workspace.renameVariableById('id1', 'Name1');
-
-          this.workspace.undo();
-          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-
-          this.workspace.undo(true);
-          assertVariableValues(this.workspace, 'Name1', 'type1', 'id1');
-        });
-
-        test('Reference exists different capitalization with usages rename to Name1', function() {
-          createVarBlocksNoEvents(this.workspace, ['id1']);
-          this.workspace.renameVariableById('id1', 'Name1');
-
-          this.workspace.undo();
-          assertBlockVarModelName(this.workspace, 0, 'name1');
-          assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-
-          this.workspace.undo(true);
-          assertBlockVarModelName(this.workspace, 0, 'Name1');
-          assertVariableValues(this.workspace, 'Name1', 'type1', 'id1');
-        });
-
-        suite('Two variables rename overlap', function() {
-          test('Same type no usages rename variable with id1 to name2', function() {
-            this.workspace.createVariable('name2', 'type1', 'id2');
-            this.workspace.renameVariableById('id1', 'name2');
-
-            this.workspace.undo();
-            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-            assertVariableValues(this.workspace, 'name2', 'type1', 'id2');
-
-            this.workspace.undo(true);
-            assertVariableValues(this.workspace, 'name2', 'type1', 'id2');
-            chai.assert.isNull(this.workspace.getVariableById('id1'));
-          });
-
-          test('Same type with usages rename variable with id1 to name2', function() {
-            this.workspace.createVariable('name2', 'type1', 'id2');
-            createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
-            this.workspace.renameVariableById('id1', 'name2');
-
-            this.workspace.undo();
-            assertBlockVarModelName(this.workspace, 0, 'name1');
-            assertBlockVarModelName(this.workspace, 1, 'name2');
-            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-            assertVariableValues(this.workspace, 'name2', 'type1', 'id2');
-
-            this.workspace.undo(true);
-            assertVariableValues(this.workspace, 'name2', 'type1', 'id2');
-            chai.assert.isNull(this.workspace.getVariableById('id1'));
-          });
-
-          test('Same type different capitalization no usages rename variable with id1 to Name2', function() {
-            this.workspace.createVariable('name2', 'type1', 'id2');
-            this.workspace.renameVariableById('id1', 'Name2');
-
-            this.workspace.undo();
-            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-            assertVariableValues(this.workspace, 'name2', 'type1', 'id2');
-
-            this.workspace.undo(true);
-            assertVariableValues(this.workspace, 'Name2', 'type1', 'id2');
-            chai.assert.isNull(this.workspace.getVariable('name1'));
-          });
-
-          test('Same type different capitalization with usages rename variable with id1 to Name2', function() {
-            this.workspace.createVariable('name2', 'type1', 'id2');
-            createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
-            this.workspace.renameVariableById('id1', 'Name2');
-
-            this.workspace.undo();
-            assertBlockVarModelName(this.workspace, 0, 'name1');
-            assertBlockVarModelName(this.workspace, 1, 'name2');
-            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-            assertVariableValues(this.workspace, 'name2', 'type1', 'id2');
-
-            this.workspace.undo(true);
-            assertVariableValues(this.workspace, 'Name2', 'type1', 'id2');
-            chai.assert.isNull(this.workspace.getVariableById('id1'));
-            assertBlockVarModelName(this.workspace, 0, 'Name2');
-            assertBlockVarModelName(this.workspace, 1, 'Name2');
-          });
-
-          test('Different type no usages rename variable with id1 to name2', function() {
-            this.workspace.createVariable('name2', 'type2', 'id2');
-            this.workspace.renameVariableById('id1', 'name2');
-
-            this.workspace.undo();
-            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-
-            this.workspace.undo(true);
-            assertVariableValues(this.workspace, 'name2', 'type1', 'id1');
-            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-          });
-
-          test('Different type with usages rename variable with id1 to name2', function() {
-            this.workspace.createVariable('name2', 'type2', 'id2');
-            createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
-            this.workspace.renameVariableById('id1', 'name2');
-
-            this.workspace.undo();
-            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-            assertBlockVarModelName(this.workspace, 0, 'name1');
-            assertBlockVarModelName(this.workspace, 1, 'name2');
-
-            this.workspace.undo(true);
-            assertVariableValues(this.workspace, 'name2', 'type1', 'id1');
-            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-            assertBlockVarModelName(this.workspace, 0, 'name2');
-            assertBlockVarModelName(this.workspace, 1, 'name2');
-          });
-
-          test('Different type different capitalization no usages rename variable with id1 to Name2', function() {
-            this.workspace.createVariable('name2', 'type2', 'id2');
-            this.workspace.renameVariableById('id1', 'Name2');
-
-            this.workspace.undo();
-            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-
-            this.workspace.undo(true);
-            assertVariableValues(this.workspace, 'Name2', 'type1', 'id1');
-            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-          });
-
-          test('Different type different capitalization with usages rename variable with id1 to Name2', function() {
-            this.workspace.createVariable('name2', 'type2', 'id2');
-            createVarBlocksNoEvents(this.workspace, ['id1', 'id2']);
-            this.workspace.renameVariableById('id1', 'Name2');
-
-            this.workspace.undo();
-            assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
-            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-            assertBlockVarModelName(this.workspace, 0, 'name1');
-            assertBlockVarModelName(this.workspace, 1, 'name2');
-
-            this.workspace.undo(true);
-            assertVariableValues(this.workspace, 'Name2', 'type1', 'id1');
-            assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
-            assertBlockVarModelName(this.workspace, 0, 'Name2');
-            assertBlockVarModelName(this.workspace, 1, 'name2');
-          });
-        });
-      });
-    });
-  });
-}
diff --git a/tests/mocha/xml_procedures_test.js b/tests/mocha/xml_procedures_test.js
deleted file mode 100644
index 26a0da858f0..00000000000
--- a/tests/mocha/xml_procedures_test.js
+++ /dev/null
@@ -1,308 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-goog.require('Blockly.Blocks.procedures');
-goog.require('Blockly.Msg');
-
-suite('Procedures XML', function() {
-  setup(function() {
-    sharedTestSetup.call(this);
-  });
-  teardown(function() {
-    sharedTestTeardown.call(this);
-  });
-
-  suite('Deserialization', function() {
-    setup(function() {
-      this.workspace = new Blockly.Workspace();
-
-      this.callForAllTypes = function(func) {
-        var typesArray = [
-          ['procedures_defnoreturn', 'procedures_callnoreturn'],
-          ['procedures_defreturn', 'procedures_callreturn']
-        ];
-
-        for (var i = 0, types; (types = typesArray[i]); i++) {
-          var context = Object.create(null);
-          context.workspace = this.workspace;
-          context.defType = types[0];
-          context.callType = types[1];
-
-          func.call(context);
-
-          this.workspace.clear();
-        }
-      };
-    });
-    teardown(function() {
-      workspaceTeardown.call(this, this.workspace);
-    });
-
-    suite('Definition Blocks', function() {
-      test('Minimal', function() {
-        this.callForAllTypes(function() {
-          var xml = Blockly.Xml.textToDom(
-              '<block type="' + this.defType + '"></block>'
-          );
-          var block = Blockly.Xml.domToBlock(xml, this.workspace);
-
-          // TODO: Is this how you want this to work? or do you want it to
-          //    be 'unnamed'?
-          chai.assert.equal(block.getFieldValue('NAME'), '');
-          chai.assert.isArray(block.arguments_);
-          chai.assert.isEmpty(block.arguments_);
-          chai.assert.isArray(block.argumentVarModels_);
-          chai.assert.isEmpty(block.argumentVarModels_);
-          chai.assert.isNotNull(block.getInput('STACK'));
-        });
-      });
-      // This is like what's in the toolbox.
-      test('Common', function() {
-        this.callForAllTypes(function() {
-          var xml = Blockly.Xml.textToDom(
-              '<block type="' + this.defType + '">' +
-              '  <field name="NAME">do something</field>' +
-              '</block>'
-          );
-          var block = Blockly.Xml.domToBlock(xml, this.workspace);
-
-          chai.assert.equal(
-              block.getFieldValue('NAME'),
-              'do something');
-          chai.assert.isArray(block.arguments_);
-          chai.assert.isEmpty(block.arguments_);
-          chai.assert.isArray(block.argumentVarModels_);
-          chai.assert.isEmpty(block.argumentVarModels_);
-          chai.assert.isNotNull(block.getInput('STACK'));
-        });
-      });
-      test('Arg Vars Pre-Created', function() {
-        this.callForAllTypes(function() {
-          this.workspace.createVariable('x', '', 'arg');
-          var xml = Blockly.Xml.textToDom(
-              '<block type="' + this.defType + '">' +
-              '  <field name="NAME">do something</field>' +
-              '  <mutation>' +
-              '    <arg name="x" varid="arg"></arg>' +
-              '  </mutation>' +
-              '</block>'
-          );
-          var block = Blockly.Xml.domToBlock(xml, this.workspace);
-
-          chai.assert.equal(
-              block.getFieldValue('NAME'),
-              'do something');
-          chai.assert.deepEqual(block.arguments_, ['x']);
-          chai.assert.deepEqual(block.argumentVarModels_,
-              [this.workspace.getVariableById('arg')]);
-          chai.assert.isNotNull(block.getInput('STACK'));
-        });
-      });
-      test('Arg Vars Not Created', function() {
-        this.callForAllTypes(function() {
-          var xml = Blockly.Xml.textToDom(
-              '<block type="' + this.defType + '">' +
-              '  <field name="NAME">do something</field>' +
-              '  <mutation>' +
-              '    <arg name="x" varid="arg"></arg>' +
-              '  </mutation>' +
-              '</block>'
-          );
-          var block = Blockly.Xml.domToBlock(xml, this.workspace);
-
-          chai.assert.equal(
-              block.getFieldValue('NAME'),
-              'do something');
-          chai.assert.deepEqual(block.arguments_, ['x']);
-          chai.assert.deepEqual(block.argumentVarModels_,
-              [this.workspace.getVariableById('arg')]);
-          chai.assert.isNotNull(block.getInput('STACK'));
-        });
-      });
-      // TODO: I don't know a lot about typing vars, and even less out it in
-      //  this context. Is allowing typed vars to be args the correct behavior?
-      test('Arg Vars Pre-Created Typed', function() {
-        this.callForAllTypes(function() {
-          this.workspace.createVariable('x', 'type', 'arg');
-          var xml = Blockly.Xml.textToDom(
-              '<block type="' + this.defType + '">' +
-              '  <field name="NAME">do something</field>' +
-              '  <mutation>' +
-              '    <arg name="x" varid="arg"></arg>' +
-              '  </mutation>' +
-              '</block>'
-          );
-          var block = Blockly.Xml.domToBlock(xml, this.workspace);
-
-          chai.assert.equal(
-              block.getFieldValue('NAME'),
-              'do something');
-          chai.assert.deepEqual(block.arguments_, ['x']);
-          chai.assert.deepEqual(block.argumentVarModels_,
-              [this.workspace.getVariableById('arg')]);
-          chai.assert.isNotNull(block.getInput('STACK'));
-        });
-      });
-      test('Statements False', function() {
-        var xml = Blockly.Xml.textToDom(
-            '<block type="procedures_defreturn">' +
-            '  <field name="NAME">do something</field>' +
-            '  <mutation statements="false"></mutation>' +
-            '</block>'
-        );
-        var block = Blockly.Xml.domToBlock(xml, this.workspace);
-
-        chai.assert.equal(
-            block.getFieldValue('NAME'),
-            'do something');
-        chai.assert.isArray(block.arguments_);
-        chai.assert.isEmpty(block.arguments_);
-        chai.assert.isArray(block.argumentVarModels_);
-        chai.assert.isEmpty(block.argumentVarModels_);
-        chai.assert.isNull(block.getInput('STACK'));
-      });
-      test('Statements True', function() {
-        var xml = Blockly.Xml.textToDom(
-            '<block type="procedures_defreturn">' +
-            '  <field name="NAME">do something</field>' +
-            '  <mutation statements="true"></mutation>' +
-            '</block>'
-        );
-        var block = Blockly.Xml.domToBlock(xml, this.workspace);
-
-        chai.assert.equal(
-            block.getFieldValue('NAME'),
-            'do something');
-        chai.assert.isArray(block.arguments_);
-        chai.assert.isEmpty(block.arguments_);
-        chai.assert.isArray(block.argumentVarModels_);
-        chai.assert.isEmpty(block.argumentVarModels_);
-        chai.assert.isNotNull(block.getInput('STACK'));
-      });
-    });
-    suite('Call Blocks', function() {
-      test('Caller W/ Def', function() {
-        this.callForAllTypes(function() {
-          Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-              '<block type="' + this.defType + '">' +
-              '  <field name="NAME">do something</field>' +
-              '</block>'
-          ), this.workspace);
-          var callerXML = Blockly.Xml.textToDom(
-              '<block type="' + this.callType + '">' +
-              '  <mutation name="do something"/>' +
-              '</block>'
-          );
-          var block = Blockly.Xml.domToBlock(callerXML, this.workspace);
-
-          chai.assert.equal(
-              block.getFieldValue('NAME'),
-              'do something');
-          chai.assert.isArray(block.arguments_);
-          chai.assert.isEmpty(block.arguments_);
-          // TODO: argumentVarModels_ is undefined for call_return, but
-          //  defined for call_noreturn. Make it defined for both.
-          /* chai.assert.isArray(block.argumentVarModels_);
-          chai.assert.isEmpty(block.argumentVarModels_); */
-        });
-      });
-      // TODO: I couldn't get this test (of creating a definition) to work
-      //  b/c of the events delay.
-      test.skip('Caller No Def', function() {
-        this.callForAllTypes(function() {
-          var callerXML = Blockly.Xml.textToDom(
-              '<block type="' + this.callType + '">' +
-              '  <mutation name="do something"/>' +
-              '</block>'
-          );
-          var block = Blockly.Xml.domToBlock(callerXML, this.workspace);
-
-          chai.assert.equal(
-              block.getFieldValue('NAME'),
-              'do something');
-          chai.assert.isArray(block.arguments_);
-          chai.assert.isEmpty(block.arguments_);
-          // TODO: argumentVarModels_ is undefined for call_return, but
-          //  defined for call_noreturn. Make it defined for both.
-          /* chai.assert.isArray(block.argumentVarModels_);
-          chai.assert.isEmpty(block.argumentVarModels_); */
-          chai.assert.equal(this.workspace.getAllBlocks(false).count, 2);
-        });
-      });
-      test('Caller W/ Params', function() {
-        this.callForAllTypes(function() {
-          Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-              '<block type="' + this.defType + '">' +
-              '  <field name="NAME">do something</field>' +
-              '  <mutation>' +
-              '    <arg name="x" varid="arg"></arg>' +
-              '  </mutation>' +
-              '</block>'
-          ), this.workspace);
-          var callerXML = Blockly.Xml.textToDom(
-              '<block type="' + this.callType + '">' +
-              '  <mutation name="do something">' +
-              '    <arg name="x"></arg>' +
-              '  </mutation>' +
-              '</block>'
-          );
-          var block = Blockly.Xml.domToBlock(callerXML, this.workspace);
-
-          chai.assert.equal(
-              block.getFieldValue('NAME'),
-              'do something');
-          chai.assert.deepEqual(block.arguments_, ['x']);
-          chai.assert.deepEqual(block.argumentVarModels_,
-              [this.workspace.getVariableById('arg')]);
-        });
-      });
-      // TODO: How do you want it to behave in this situation?
-      test.skip('Caller W/out Params', function() {
-        this.callForAllTypes(function() {
-          Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-              '<block type="' + this.defType + '">' +
-              '  <field name="NAME">do something</field>' +
-              '  <mutation>' +
-              '    <arg name="x" varid="arg"></arg>' +
-              '  </mutation>' +
-              '</block>'
-          ), this.workspace);
-          var callerXML = Blockly.Xml.textToDom(
-              '<block type="' + this.callType + '">' +
-              '  <mutation name="do something"></mutation>' +
-              '</block>'
-          );
-          // TODO: Remove this when you fix this test.
-          // eslint-disable-next-line no-unused-vars
-          var block = Blockly.Xml.domToBlock(callerXML, this.workspace);
-        });
-      });
-      // TODO: How do you want it to behave in this situation?
-      test.skip('Caller W/ Bad Params', function() {
-        this.callForAllTypes(function() {
-          Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-              '<block type="' + this.defType + '">' +
-              '  <field name="NAME">do something</field>' +
-              '  <mutation>' +
-              '    <arg name="x" varid="arg"></arg>' +
-              '  </mutation>' +
-              '</block>'
-          ), this.workspace);
-          var callerXML = Blockly.Xml.textToDom(
-              '<block type="' + this.callType + '">' +
-              '  <mutation name="do something">' +
-              '    <arg name="y"></arg>' +
-              '  </mutation>' +
-              '</block>'
-          );
-          // TODO: Remove this when you fix this test.
-          // eslint-disable-next-line no-unused-vars
-          var block = Blockly.Xml.domToBlock(callerXML, this.workspace);
-        });
-      });
-    });
-  });
-});
diff --git a/tests/mocha/xml_test.js b/tests/mocha/xml_test.js
index 1c5ba479606..7bd16afd050 100644
--- a/tests/mocha/xml_test.js
+++ b/tests/mocha/xml_test.js
@@ -4,36 +4,48 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite('XML', function() {
-  var assertSimpleFieldDom = function(fieldDom, name, text) {
+import {
+  addBlockTypeToCleanup,
+  createGenUidStubWithReturns,
+  sharedTestSetup,
+  sharedTestTeardown,
+  workspaceTeardown,
+} from './test_helpers/setup_teardown.js';
+import {assertVariableValues} from './test_helpers/variables.js';
+
+suite('XML', function () {
+  const assertSimpleFieldDom = function (fieldDom, name, text) {
     chai.assert.equal(text, fieldDom.textContent);
     chai.assert.equal(name, fieldDom.getAttribute('name'));
   };
-  var assertNonSerializingFieldDom = function(fieldDom) {
+  const assertNonSerializingFieldDom = function (fieldDom) {
     chai.assert.isUndefined(fieldDom.childNodes[0]);
   };
-  var assertNonVariableField = function(fieldDom, name, text) {
+  const assertNonVariableField = function (fieldDom, name, text) {
     assertSimpleFieldDom(fieldDom, name, text);
     chai.assert.isNull(fieldDom.getAttribute('id'), 'id');
     chai.assert.isNull(fieldDom.getAttribute('variabletype'), 'variabletype');
   };
-  var assertVariableDomField = function(fieldDom, name, type, id, text) {
+  const assertVariableDomField = function (fieldDom, name, type, id, text) {
     assertSimpleFieldDom(fieldDom, name, text);
     chai.assert.equal(fieldDom.getAttribute('variabletype'), type);
     chai.assert.equal(fieldDom.getAttribute('id'), id);
   };
-  var assertVariableDom = function(fieldDom, type, id, text) {
+  const assertVariableDom = function (fieldDom, type, id, text) {
     chai.assert.equal(fieldDom.getAttribute('type'), type);
     chai.assert.equal(fieldDom.getAttribute('id'), id);
     chai.assert.equal(fieldDom.textContent, text);
   };
-  setup(function() {
+  const assertXmlDoc = function (doc) {
+    chai.assert.equal(doc.nodeName.toLowerCase(), 'xml', 'XML tag');
+  };
+  setup(function () {
     sharedTestSetup.call(this);
     Blockly.defineBlocksWithJsonArray([
       {
-        "type": "empty_block",
-        "message0": "",
-        "args0": []
+        'type': 'empty_block',
+        'message0': '',
+        'args0': [],
       },
     ]);
     this.complexXmlText = [
@@ -62,599 +74,706 @@ suite('XML', function() {
       '      </block>',
       '    </statement>',
       '  </block>',
-      '</xml>'].join('\n');
+      '</xml>',
+    ].join('\n');
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
-  suite('textToDom', function() {
-    test('Basic', function() {
-      var dom = Blockly.Xml.textToDom(this.complexXmlText);
-      chai.assert.equal(dom.nodeName, 'xml', 'XML tag');
-      chai.assert.equal(dom.getElementsByTagName('block').length, 6, 'Block tags');
+
+  suite('textToDom', function () {
+    test('Basic', function () {
+      const dom = Blockly.utils.xml.textToDom(this.complexXmlText);
+      assertXmlDoc(dom);
+      chai.assert.equal(
+        dom.getElementsByTagName('block').length,
+        6,
+        'Block tags',
+      );
+    });
+
+    test(
+      'text with hex-encoded NCR Control characters are properly ' +
+        'deserialized',
+      function () {
+        const dom = Blockly.utils.xml.textToDom('<xml>&#x1;&#x9;&#x1F;</xml>');
+        assertXmlDoc(dom);
+        chai.assert.equal(dom.firstChild.textContent, '\u0001\t\u001f');
+      },
+    );
+
+    test(
+      'text with dec-encoded NCR Control characters are properly ' +
+        'deserialized',
+      function () {
+        const dom = Blockly.utils.xml.textToDom('<xml>&#1;&#9;&#31</xml>');
+        assertXmlDoc(dom);
+        chai.assert.equal(dom.firstChild.textContent, '\u0001\u0009\u001f');
+      },
+    );
+
+    test('text with an escaped ampersand is properly deserialized', function () {
+      const dom = Blockly.utils.xml.textToDom('<xml>&amp;</xml>');
+      assertXmlDoc(dom);
+      chai.assert.equal(dom.firstChild.textContent, '&');
     });
   });
-  suite('blockToDom', function() {
-    setup(function() {
+
+  suite('blockToDom', function () {
+    setup(function () {
       this.workspace = new Blockly.Workspace();
     });
-    teardown(function() {
+    teardown(function () {
       workspaceTeardown.call(this, this.workspace);
     });
-    suite('Fields', function() {
-      test('Angle', function() {
-        Blockly.defineBlocksWithJsonArray([{
-          "type": "field_angle_test_block",
-          "message0": "%1",
-          "args0": [
-            {
-              "type": "field_angle",
-              "name": "ANGLE",
-              "angle": 90
-            }
-          ],
-        }]);
-        var block = new Blockly.Block(this.workspace,
-            'field_angle_test_block');
-        var resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
-        assertNonVariableField(resultFieldDom, 'ANGLE', '90');
-      });
-      test('Checkbox', function() {
-        Blockly.defineBlocksWithJsonArray([{
-          "type": "field_checkbox_test_block",
-          "message0": "%1",
-          "args0": [
-            {
-              "type": "field_checkbox",
-              "name": "CHECKBOX",
-              "checked": true
-            }
-          ],
-        }]);
-        var block = new Blockly.Block(this.workspace,
-            'field_checkbox_test_block');
-        var resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
+    suite('Fields', function () {
+      test('Checkbox', function () {
+        Blockly.defineBlocksWithJsonArray([
+          {
+            'type': 'field_checkbox_test_block',
+            'message0': '%1',
+            'args0': [
+              {
+                'type': 'field_checkbox',
+                'name': 'CHECKBOX',
+                'checked': true,
+              },
+            ],
+          },
+        ]);
+        const block = new Blockly.Block(
+          this.workspace,
+          'field_checkbox_test_block',
+        );
+        const resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
         assertNonVariableField(resultFieldDom, 'CHECKBOX', 'TRUE');
       });
-      test('Colour', function() {
-        Blockly.defineBlocksWithJsonArray([{
-          "type": "field_colour_test_block",
-          "message0": "%1",
-          "args0": [
-            {
-              "type": "field_colour",
-              "name": "COLOUR",
-              "colour": '#000099'
-            }
-          ],
-        }]);
-        var block = new Blockly.Block(this.workspace,
-            'field_colour_test_block');
-        var resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
-        assertNonVariableField(resultFieldDom, 'COLOUR', '#000099');
-      });
-      test('Dropdown', function() {
-        Blockly.defineBlocksWithJsonArray([{
-          "type": "field_dropdown_test_block",
-          "message0": "%1",
-          "args0": [
-            {
-              "type": "field_dropdown",
-              "name": "DROPDOWN",
-              "options": [
-                [
-                  "a",
-                  "A"
-                ],
-                [
-                  "b",
-                  "B"
+      test('Dropdown', function () {
+        Blockly.defineBlocksWithJsonArray([
+          {
+            'type': 'field_dropdown_test_block',
+            'message0': '%1',
+            'args0': [
+              {
+                'type': 'field_dropdown',
+                'name': 'DROPDOWN',
+                'options': [
+                  ['a', 'A'],
+                  ['b', 'B'],
+                  ['c', 'C'],
                 ],
-                [
-                  "c",
-                  "C"
-                ]
-              ]
-            }
-          ],
-        }]);
-        var block = new Blockly.Block(this.workspace,
-            'field_dropdown_test_block');
-        var resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
+              },
+            ],
+          },
+        ]);
+        const block = new Blockly.Block(
+          this.workspace,
+          'field_dropdown_test_block',
+        );
+        const resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
         assertNonVariableField(resultFieldDom, 'DROPDOWN', 'A');
       });
-      test('Image', function() {
-        Blockly.defineBlocksWithJsonArray([{
-          "type": "field_image_test_block",
-          "message0": "%1",
-          "args0": [
-            {
-              "type": "field_image",
-              "name": "IMAGE",
-              "src": "https://blockly-demo.appspot.com/static/tests/media/a.png",
-              "width": 32,
-              "height": 32,
-              "alt": "A"
-            }
-          ],
-        }]);
-        var block = new Blockly.Block(this.workspace,
-            'field_image_test_block');
-        var resultFieldDom = Blockly.Xml.blockToDom(block);
+      test('Image', function () {
+        Blockly.defineBlocksWithJsonArray([
+          {
+            'type': 'field_image_test_block',
+            'message0': '%1',
+            'args0': [
+              {
+                'type': 'field_image',
+                'name': 'IMAGE',
+                'src':
+                  'https://blockly-demo.appspot.com/static/tests/media/a.png',
+                'width': 32,
+                'height': 32,
+                'alt': 'A',
+              },
+            ],
+          },
+        ]);
+        const block = new Blockly.Block(
+          this.workspace,
+          'field_image_test_block',
+        );
+        const resultFieldDom = Blockly.Xml.blockToDom(block);
         assertNonSerializingFieldDom(resultFieldDom);
       });
-      test('Label', function() {
-        Blockly.defineBlocksWithJsonArray([{
-          "type": "field_label_test_block",
-          "message0": "%1",
-          "args0": [
-            {
-              "type": "field_label",
-              "name": "LABEL",
-              "text": "default"
-            }
-          ],
-        }]);
-        var block = new Blockly.Block(this.workspace,
-            'field_label_test_block');
-        var resultFieldDom = Blockly.Xml.blockToDom(block);
+      test('Label', function () {
+        Blockly.defineBlocksWithJsonArray([
+          {
+            'type': 'field_label_test_block',
+            'message0': '%1',
+            'args0': [
+              {
+                'type': 'field_label',
+                'name': 'LABEL',
+                'text': 'default',
+              },
+            ],
+          },
+        ]);
+        const block = new Blockly.Block(
+          this.workspace,
+          'field_label_test_block',
+        );
+        const resultFieldDom = Blockly.Xml.blockToDom(block);
         assertNonSerializingFieldDom(resultFieldDom);
       });
-      test('Label Serializable', function() {
-        Blockly.defineBlocksWithJsonArray([{
-          "type": "field_label_serializable_test_block",
-          "message0": "%1",
-          "args0": [
-            {
-              "type": "field_label_serializable",
-              "name": "LABEL",
-              "text": "default"
-            }
-          ],
-        }]);
-        var block = new Blockly.Block(this.workspace,
-            'field_label_serializable_test_block');
-        var resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
+      test('Label Serializable', function () {
+        Blockly.defineBlocksWithJsonArray([
+          {
+            'type': 'field_label_serializable_test_block',
+            'message0': '%1',
+            'args0': [
+              {
+                'type': 'field_label_serializable',
+                'name': 'LABEL',
+                'text': 'default',
+              },
+            ],
+          },
+        ]);
+        const block = new Blockly.Block(
+          this.workspace,
+          'field_label_serializable_test_block',
+        );
+        const resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
         assertNonVariableField(resultFieldDom, 'LABEL', 'default');
       });
-      test('Number', function() {
-        Blockly.defineBlocksWithJsonArray([{
-          "type": "field_number_test_block",
-          "message0": "%1",
-          "args0": [
-            {
-              "type": "field_number",
-              "name": "NUMBER",
-              "value": 97
-            }
-          ],
-        }]);
-        var block = new Blockly.Block(this.workspace,
-            'field_number_test_block');
-        var resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
+      test('Number', function () {
+        Blockly.defineBlocksWithJsonArray([
+          {
+            'type': 'field_number_test_block',
+            'message0': '%1',
+            'args0': [
+              {
+                'type': 'field_number',
+                'name': 'NUMBER',
+                'value': 97,
+              },
+            ],
+          },
+        ]);
+        const block = new Blockly.Block(
+          this.workspace,
+          'field_number_test_block',
+        );
+        const resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
         assertNonVariableField(resultFieldDom, 'NUMBER', '97');
       });
-      test('Text Input', function() {
-        Blockly.defineBlocksWithJsonArray([{
-          "type": "field_text_input_test_block",
-          "message0": "%1",
-          "args0": [
-            {
-              "type": "field_input",
-              "name": "TEXT",
-              "text": "default"
-            }
-          ],
-        }]);
-        var block = new Blockly.Block(this.workspace,
-            'field_text_input_test_block');
-        var resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
-        assertNonVariableField(resultFieldDom, 'TEXT', 'default');
-      });
-      suite('Variable Fields', function() {
-        setup(function() {
-          Blockly.defineBlocksWithJsonArray([{
-            'type': 'field_variable_test_block',
+      test('Text Input', function () {
+        Blockly.defineBlocksWithJsonArray([
+          {
+            'type': 'field_text_input_test_block',
             'message0': '%1',
             'args0': [
               {
-                'type': 'field_variable',
-                'name': 'VAR',
-                'variable': 'item'
-              }
-            ]
-          }]);
+                'type': 'field_input',
+                'name': 'TEXT',
+                'text': 'default',
+              },
+            ],
+          },
+        ]);
+        const block = new Blockly.Block(
+          this.workspace,
+          'field_text_input_test_block',
+        );
+        const resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
+        assertNonVariableField(resultFieldDom, 'TEXT', 'default');
+      });
+      suite('Variable Fields', function () {
+        setup(function () {
+          Blockly.defineBlocksWithJsonArray([
+            {
+              'type': 'field_variable_test_block',
+              'message0': '%1',
+              'args0': [
+                {
+                  'type': 'field_variable',
+                  'name': 'VAR',
+                  'variable': 'item',
+                },
+              ],
+            },
+          ]);
         });
-        test('Variable Trivial', function() {
+        test('Variable Trivial', function () {
           this.workspace.createVariable('name1', '', 'id1');
-          var block = new Blockly.Block(this.workspace,
-              'field_variable_test_block');
+          const block = new Blockly.Block(
+            this.workspace,
+            'field_variable_test_block',
+          );
           block.inputList[0].fieldRow[0].setValue('id1');
-          var resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
+          const resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
           assertVariableDomField(resultFieldDom, 'VAR', null, 'id1', 'name1');
         });
-        test('Variable Typed', function() {
+        test('Variable Typed', function () {
           this.workspace.createVariable('name1', 'string', 'id1');
-          var block = new Blockly.Block(this.workspace,
-              'field_variable_test_block');
+          const block = new Blockly.Block(
+            this.workspace,
+            'field_variable_test_block',
+          );
           block.inputList[0].fieldRow[0].setValue('id1');
-          var resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
-          assertVariableDomField(resultFieldDom, 'VAR', 'string', 'id1', 'name1');
+          const resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
+          assertVariableDomField(
+            resultFieldDom,
+            'VAR',
+            'string',
+            'id1',
+            'name1',
+          );
         });
-        test('Variable Default Case', function() {
+        test('Variable Default Case', function () {
           createGenUidStubWithReturns('1');
           this.workspace.createVariable('name1');
 
           Blockly.Events.disable();
-          var block = new Blockly.Block(this.workspace,
-              'field_variable_test_block');
+          const block = new Blockly.Block(
+            this.workspace,
+            'field_variable_test_block',
+          );
           block.inputList[0].fieldRow[0].setValue('1');
           Blockly.Events.enable();
 
-          var resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
+          const resultFieldDom = Blockly.Xml.blockToDom(block).childNodes[0];
           // Expect type is null and ID is '1' since we don't specify type and ID.
           assertVariableDomField(resultFieldDom, 'VAR', null, '1', 'name1');
         });
       });
     });
-    suite('Comments', function() {
-      suite('Headless', function() {
-        setup(function() {
-          this.block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-              '<block type="empty_block"/>'
-          ), this.workspace);
+    suite('Comments', function () {
+      suite('Headless', function () {
+        setup(function () {
+          this.block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom('<block type="empty_block"/>'),
+            this.workspace,
+          );
         });
-        test('Text', function() {
+        test('Text', function () {
           this.block.setCommentText('test text');
-          var xml = Blockly.Xml.blockToDom(this.block);
-          var commentXml = xml.firstChild;
+          const xml = Blockly.Xml.blockToDom(this.block);
+          const commentXml = xml.firstChild;
           chai.assert.equal(commentXml.tagName, 'comment');
           chai.assert.equal(commentXml.innerHTML, 'test text');
         });
-        test('No Text', function() {
-          var xml = Blockly.Xml.blockToDom(this.block);
+        test('No Text', function () {
+          const xml = Blockly.Xml.blockToDom(this.block);
           chai.assert.isNull(xml.firstChild);
         });
-        test('Empty Text', function() {
+        test('Empty Text', function () {
           this.block.setCommentText('');
-          var xml = Blockly.Xml.blockToDom(this.block);
+          const xml = Blockly.Xml.blockToDom(this.block);
           chai.assert.isNull(xml.firstChild);
         });
       });
-      suite('Rendered', function() {
-        setup(function() {
+      suite('Rendered', function () {
+        setup(function () {
           // Let the parent teardown dispose of it.
           this.workspace = Blockly.inject('blocklyDiv', {comments: true});
-          this.block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-              '<block type="empty_block"/>'
-          ), this.workspace);
+          this.block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom('<block type="empty_block"/>'),
+            this.workspace,
+          );
         });
-        teardown(function() {
+        teardown(function () {
           workspaceTeardown.call(this, this.workspace);
         });
-        test('Text', function() {
+        test('Text', function () {
           this.block.setCommentText('test text');
-          var xml = Blockly.Xml.blockToDom(this.block);
-          var commentXml = xml.firstChild;
+          const xml = Blockly.Xml.blockToDom(this.block);
+          const commentXml = xml.firstChild;
           chai.assert.equal(commentXml.tagName, 'comment');
           chai.assert.equal(commentXml.innerHTML, 'test text');
         });
-        test('No Text', function() {
-          var xml = Blockly.Xml.blockToDom(this.block);
+        test('No Text', function () {
+          const xml = Blockly.Xml.blockToDom(this.block);
           chai.assert.isNull(xml.firstChild);
         });
-        test('Empty Text', function() {
+        test('Empty Text', function () {
           this.block.setCommentText('');
-          var xml = Blockly.Xml.blockToDom(this.block);
+          const xml = Blockly.Xml.blockToDom(this.block);
           chai.assert.isNull(xml.firstChild);
         });
-        test('Size', function() {
+        test('Size', function () {
           this.block.setCommentText('test text');
-          this.block.getCommentIcon().setBubbleSize(100, 200);
-          var xml = Blockly.Xml.blockToDom(this.block);
-          var commentXml = xml.firstChild;
+          this.block
+            .getIcon(Blockly.icons.CommentIcon.TYPE)
+            .setBubbleSize(new Blockly.utils.Size(100, 200));
+          const xml = Blockly.Xml.blockToDom(this.block);
+          const commentXml = xml.firstChild;
           chai.assert.equal(commentXml.tagName, 'comment');
           chai.assert.equal(commentXml.getAttribute('w'), 100);
           chai.assert.equal(commentXml.getAttribute('h'), 200);
         });
-        test('Pinned True', function() {
+        test('Pinned True', function () {
           this.block.setCommentText('test text');
-          this.block.getCommentIcon().setVisible(true);
-          var xml = Blockly.Xml.blockToDom(this.block);
-          var commentXml = xml.firstChild;
+          this.block
+            .getIcon(Blockly.icons.CommentIcon.TYPE)
+            .setBubbleVisible(true);
+          const xml = Blockly.Xml.blockToDom(this.block);
+          const commentXml = xml.firstChild;
           chai.assert.equal(commentXml.tagName, 'comment');
           chai.assert.equal(commentXml.getAttribute('pinned'), 'true');
         });
-        test('Pinned False', function() {
+        test('Pinned False', function () {
           this.block.setCommentText('test text');
-          var xml = Blockly.Xml.blockToDom(this.block);
-          var commentXml = xml.firstChild;
+          const xml = Blockly.Xml.blockToDom(this.block);
+          const commentXml = xml.firstChild;
           chai.assert.equal(commentXml.tagName, 'comment');
           chai.assert.equal(commentXml.getAttribute('pinned'), 'false');
         });
       });
     });
   });
-  suite('variablesToDom', function() {
-    setup(function() {
+  suite('variablesToDom', function () {
+    setup(function () {
       this.workspace = new Blockly.Workspace();
-      Blockly.defineBlocksWithJsonArray([{
-        'type': 'field_variable_test_block',
-        'message0': '%1',
-        'args0': [
-          {
-            'type': 'field_variable',
-            'name': 'VAR',
-            'variable': 'item'
-          }
-        ]
-      }]);
-    });
-    teardown(function() {
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': 'field_variable_test_block',
+          'message0': '%1',
+          'args0': [
+            {
+              'type': 'field_variable',
+              'name': 'VAR',
+              'variable': 'item',
+            },
+          ],
+        },
+      ]);
+    });
+    teardown(function () {
       workspaceTeardown.call(this, this.workspace);
     });
-    test('One Variable', function() {
+    test('One Variable', function () {
       createGenUidStubWithReturns('1');
       this.workspace.createVariable('name1');
-      var resultDom =
-          Blockly.Xml.variablesToDom(this.workspace.getAllVariables());
+      const resultDom = Blockly.Xml.variablesToDom(
+        this.workspace.getAllVariables(),
+      );
       chai.assert.equal(resultDom.children.length, 1);
-      var resultVariableDom = resultDom.children[0];
+      const resultVariableDom = resultDom.children[0];
       chai.assert.equal(resultVariableDom.textContent, 'name1');
       chai.assert.isNull(resultVariableDom.getAttribute('type'));
       chai.assert.equal(resultVariableDom.getAttribute('id'), '1');
     });
-    test('Two Variable one block', function() {
+    test('Two Variable one block', function () {
       this.workspace.createVariable('name1', '', 'id1');
       this.workspace.createVariable('name2', 'type2', 'id2');
       // If events are enabled during block construction, it will create a
       // default variable.
       Blockly.Events.disable();
-      var block = new Blockly.Block(this.workspace, 'field_variable_test_block');
+      const block = new Blockly.Block(
+        this.workspace,
+        'field_variable_test_block',
+      );
       block.inputList[0].fieldRow[0].setValue('id1');
       Blockly.Events.enable();
 
-      var resultDom = Blockly.Xml.variablesToDom(this.workspace.getAllVariables());
+      const resultDom = Blockly.Xml.variablesToDom(
+        this.workspace.getAllVariables(),
+      );
       chai.assert.equal(resultDom.children.length, 2);
-      assertVariableDom(resultDom.children[0], null, 'id1',
-          'name1');
-      assertVariableDom(resultDom.children[1], 'type2', 'id2',
-          'name2');
-    });
-    test('No variables', function() {
-      var resultDom =
-          Blockly.Xml.variablesToDom(this.workspace.getAllVariables());
+      assertVariableDom(resultDom.children[0], null, 'id1', 'name1');
+      assertVariableDom(resultDom.children[1], 'type2', 'id2', 'name2');
+    });
+    test('No variables', function () {
+      const resultDom = Blockly.Xml.variablesToDom(
+        this.workspace.getAllVariables(),
+      );
       chai.assert.equal(resultDom.children.length, 0);
     });
   });
-  suite('domToText', function() {
-    test('Round tripping', function() {
-      var dom = Blockly.Xml.textToDom(this.complexXmlText);
-      var text = Blockly.Xml.domToText(dom);
-      chai.assert.equal(text.replace(/\s+/g, ''),
-          this.complexXmlText.replace(/\s+/g, ''), 'Round trip');
+
+  suite('domToText', function () {
+    test('Round tripping', function () {
+      const dom = Blockly.utils.xml.textToDom(this.complexXmlText);
+      const text = Blockly.Xml.domToText(dom);
+      chai.assert.equal(
+        text.replace(/\s+/g, ''),
+        this.complexXmlText.replace(/\s+/g, ''),
+        'Round trip',
+      );
+    });
+
+    test('control characters are escaped', function () {
+      const dom = Blockly.utils.xml.createElement('xml');
+      dom.appendChild(Blockly.utils.xml.createTextNode('
')); // u0001
+      chai.assert.equal(
+        Blockly.utils.xml.domToText(dom),
+        '<xml xmlns="https://developers.google.com/blockly/xml">&#1;</xml>',
+      );
+    });
+
+    test('ampersands are escaped', function () {
+      const dom = Blockly.utils.xml.createElement('xml');
+      dom.appendChild(Blockly.utils.xml.createTextNode('&'));
+      chai.assert.equal(
+        Blockly.Xml.domToText(dom),
+        '<xml xmlns="https://developers.google.com/blockly/xml">&amp;</xml>',
+      );
     });
   });
-  suite('domToPrettyText', function() {
-    test('Round tripping', function() {
-      var dom = Blockly.Xml.textToDom(this.complexXmlText);
-      var text = Blockly.Xml.domToPrettyText(dom);
-      chai.assert.equal(text.replace(/\s+/g, ''),
-          this.complexXmlText.replace(/\s+/g, ''), 'Round trip');
+
+  suite('domToPrettyText', function () {
+    test('Round tripping', function () {
+      const dom = Blockly.utils.xml.textToDom(this.complexXmlText);
+      const text = Blockly.Xml.domToPrettyText(dom);
+      chai.assert.equal(
+        text.replace(/\s+/g, ''),
+        this.complexXmlText.replace(/\s+/g, ''),
+        'Round trip',
+      );
     });
   });
-  suite('domToBlock', function() {
-    setup(function() {
+  suite('domToBlock', function () {
+    setup(function () {
       this.workspace = new Blockly.Workspace();
-      Blockly.defineBlocksWithJsonArray([{
-        "type": "variables_get",
-        "message0": "%1",
-        "args0": [
-          {
-            "type": "field_variable",
-            "name": "VAR"
-          }
-        ]
-      },
-      {
-        "type": "variables_set",
-        "message0": "%1 %2",
-        "args0": [
-          {
-            "type": "field_variable",
-            "name": "VAR"
-          },
-          {
-            "type": "input_value",
-            "name": "VALUE"
-          }
-        ]
-      }]);
     });
-    teardown(function() {
+    teardown(function () {
       workspaceTeardown.call(this, this.workspace);
     });
-    suite('Dynamic Category Blocks', function() {
-      test('Untyped Variables', function() {
+    suite('Dynamic Category Blocks', function () {
+      test('Untyped Variables', function () {
         this.workspace.createVariable('name1', '', 'id1');
-        var blocksArray =
-            Blockly.Variables.flyoutCategoryBlocks(this.workspace);
-        for (var i = 0, xml; (xml = blocksArray[i]); i++) {
+        const blocksArray = Blockly.Variables.flyoutCategoryBlocks(
+          this.workspace,
+        );
+        for (let i = 0, xml; (xml = blocksArray[i]); i++) {
           Blockly.Xml.domToBlock(xml, this.workspace);
         }
       });
-      test('Typed Variables', function() {
+      test('Typed Variables', function () {
         this.workspace.createVariable('name1', 'String', 'id1');
         this.workspace.createVariable('name2', 'Number', 'id2');
         this.workspace.createVariable('name3', 'Colour', 'id3');
-        var blocksArray =
-            Blockly.VariablesDynamic.flyoutCategoryBlocks(this.workspace);
-        for (var i = 0, xml; (xml = blocksArray[i]); i++) {
+        const blocksArray = Blockly.VariablesDynamic.flyoutCategoryBlocks(
+          this.workspace,
+        );
+        for (let i = 0, xml; (xml = blocksArray[i]); i++) {
           Blockly.Xml.domToBlock(xml, this.workspace);
         }
       });
     });
-    suite('Comments', function() {
-      suite('Headless', function() {
-        test('Text', function() {
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+    suite('Comments', function () {
+      suite('Headless', function () {
+        test('Text', function () {
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<block type="empty_block">' +
-              '  <comment>test text</comment>' +
-              '</block>'
-          ), this.workspace);
+                '  <comment>test text</comment>' +
+                '</block>',
+            ),
+            this.workspace,
+          );
           chai.assert.equal(block.getCommentText(), 'test text');
         });
-        test('No Text', function() {
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+        test('No Text', function () {
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<block type="empty_block">' +
-              '  <comment></comment>' +
-              '</block>'
-          ), this.workspace);
+                '  <comment></comment>' +
+                '</block>',
+            ),
+            this.workspace,
+          );
           chai.assert.equal(block.getCommentText(), '');
         });
-        test('Size', function() {
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+        test('Size', function () {
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<block type="empty_block">' +
-              '  <comment w="100" h="200">test text</comment>' +
-              '</block>'
-          ), this.workspace);
-          chai.assert.deepEqual(block.commentModel.size,
-              {width: 100, height: 200});
+                '  <comment w="100" h="200">test text</comment>' +
+                '</block>',
+            ),
+            this.workspace,
+          );
+          chai.assert.deepEqual(
+            block.getIcon(Blockly.icons.CommentIcon.TYPE).getBubbleSize(),
+            {
+              width: 100,
+              height: 200,
+            },
+          );
         });
-        test('Pinned True', function() {
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+        test('Pinned True', function () {
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<block type="empty_block">' +
-              '  <comment pinned="true">test text</comment>' +
-              '</block>'
-          ), this.workspace);
-          chai.assert.isTrue(block.commentModel.pinned);
+                '  <comment pinned="true">test text</comment>' +
+                '</block>',
+            ),
+            this.workspace,
+          );
+          chai.assert.isTrue(
+            block.getIcon(Blockly.icons.CommentIcon.TYPE).bubbleIsVisible(),
+          );
         });
-        test('Pinned False', function() {
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+        test('Pinned False', function () {
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<block type="empty_block">' +
-              '  <comment pinned="false">test text</comment>' +
-              '</block>'
-          ), this.workspace);
-          chai.assert.isFalse(block.commentModel.pinned);
+                '  <comment pinned="false">test text</comment>' +
+                '</block>',
+            ),
+            this.workspace,
+          );
+          chai.assert.isFalse(
+            block.getIcon(Blockly.icons.CommentIcon.TYPE).bubbleIsVisible(),
+          );
         });
-        test('Pinned Undefined', function() {
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+        test('Pinned Undefined', function () {
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<block type="empty_block">' +
-              '  <comment>test text</comment>' +
-              '</block>'
-          ), this.workspace);
-          chai.assert.isFalse(block.commentModel.pinned);
+                '  <comment>test text</comment>' +
+                '</block>',
+            ),
+            this.workspace,
+          );
+          chai.assert.isFalse(
+            block.getIcon(Blockly.icons.CommentIcon.TYPE).bubbleIsVisible(),
+          );
         });
       });
-      suite('Rendered', function() {
-        setup(function() {
+      suite('Rendered', function () {
+        setup(function () {
           this.workspace = Blockly.inject('blocklyDiv', {comments: true});
         });
-        teardown(function() {
+        teardown(function () {
           workspaceTeardown.call(this, this.workspace);
         });
 
-        test('Text', function() {
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+        test('Text', function () {
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<block type="empty_block">' +
-              '  <comment>test text</comment>' +
-              '</block>'
-          ), this.workspace);
+                '  <comment>test text</comment>' +
+                '</block>',
+            ),
+            this.workspace,
+          );
           chai.assert.equal(block.getCommentText(), 'test text');
-          chai.assert.isNotNull(block.getCommentIcon());
+          chai.assert.isOk(block.getIcon(Blockly.icons.CommentIcon.TYPE));
         });
-        test('No Text', function() {
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+        test('No Text', function () {
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<block type="empty_block">' +
-              '  <comment></comment>' +
-              '</block>'
-          ), this.workspace);
+                '  <comment></comment>' +
+                '</block>',
+            ),
+            this.workspace,
+          );
           chai.assert.equal(block.getCommentText(), '');
-          chai.assert.isNotNull(block.getCommentIcon());
+          chai.assert.isOk(block.getIcon(Blockly.icons.CommentIcon.TYPE));
         });
-        test('Size', function() {
-          var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+        test('Size', function () {
+          const block = Blockly.Xml.domToBlock(
+            Blockly.utils.xml.textToDom(
               '<block type="empty_block">' +
-              '  <comment w="100" h="200">test text</comment>' +
-              '</block>'
-          ), this.workspace);
-          chai.assert.deepEqual(block.commentModel.size,
-              {width: 100, height: 200});
-          chai.assert.isNotNull(block.getCommentIcon());
-          chai.assert.deepEqual(block.getCommentIcon().getBubbleSize(),
-              {width: 100, height: 200});
+                '  <comment w="100" h="200">test text</comment>' +
+                '</block>',
+            ),
+            this.workspace,
+          );
+          chai.assert.isOk(block.getIcon(Blockly.icons.CommentIcon.TYPE));
+          chai.assert.deepEqual(
+            block.getIcon(Blockly.icons.CommentIcon.TYPE).getBubbleSize(),
+            {
+              width: 100,
+              height: 200,
+            },
+          );
         });
-        suite('Pinned', function() {
-          test('Pinned True', function() {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+        suite('Pinned', function () {
+          test('Pinned True', function () {
+            const block = Blockly.Xml.domToBlock(
+              Blockly.utils.xml.textToDom(
                 '<block type="empty_block">' +
-                '  <comment pinned="true">test text</comment>' +
-                '</block>'
-            ), this.workspace);
+                  '  <comment pinned="true">test text</comment>' +
+                  '</block>',
+              ),
+              this.workspace,
+            );
             this.clock.runAll();
-            chai.assert.isTrue(block.commentModel.pinned);
-            chai.assert.isNotNull(block.getCommentIcon());
-            chai.assert.isTrue(block.getCommentIcon().isVisible());
+            const icon = block.getIcon(Blockly.icons.CommentIcon.TYPE);
+            chai.assert.isOk(icon);
+            chai.assert.isTrue(icon.bubbleIsVisible());
           });
-          test('Pinned False', function() {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+          test('Pinned False', function () {
+            const block = Blockly.Xml.domToBlock(
+              Blockly.utils.xml.textToDom(
                 '<block type="empty_block">' +
-                '  <comment pinned="false">test text</comment>' +
-                '</block>'
-            ), this.workspace);
+                  '  <comment pinned="false">test text</comment>' +
+                  '</block>',
+              ),
+              this.workspace,
+            );
             this.clock.runAll();
-            chai.assert.isFalse(block.commentModel.pinned);
-            chai.assert.isNotNull(block.getCommentIcon());
-            chai.assert.isFalse(block.getCommentIcon().isVisible());
+            const icon = block.getIcon(Blockly.icons.CommentIcon.TYPE);
+            chai.assert.isOk(icon);
+            chai.assert.isFalse(icon.bubbleIsVisible());
           });
-          test('Pinned Undefined', function() {
-            var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
+          test('Pinned Undefined', function () {
+            const block = Blockly.Xml.domToBlock(
+              Blockly.utils.xml.textToDom(
                 '<block type="empty_block">' +
-                '  <comment>test text</comment>' +
-                '</block>'
-            ), this.workspace);
+                  '  <comment>test text</comment>' +
+                  '</block>',
+              ),
+              this.workspace,
+            );
             this.clock.runAll();
-            chai.assert.isFalse(block.commentModel.pinned);
-            chai.assert.isNotNull(block.getCommentIcon());
-            chai.assert.isFalse(block.getCommentIcon().isVisible());
+            const icon = block.getIcon(Blockly.icons.CommentIcon.TYPE);
+            chai.assert.isOk(icon);
+            chai.assert.isFalse(icon.bubbleIsVisible());
           });
         });
       });
     });
   });
-  suite('domToWorkspace', function() {
-    setup(function() {
+  suite('domToWorkspace', function () {
+    setup(function () {
       this.workspace = new Blockly.Workspace();
-      Blockly.defineBlocksWithJsonArray([{
-        'type': 'field_variable_test_block',
-        'message0': '%1',
-        'args0': [
-          {
-            'type': 'field_variable',
-            'name': 'VAR',
-            'variable': 'item'
-          }
-        ]
-      }]);
-    });
-    teardown(function() {
+      Blockly.defineBlocksWithJsonArray([
+        {
+          'type': 'field_variable_test_block',
+          'message0': '%1',
+          'args0': [
+            {
+              'type': 'field_variable',
+              'name': 'VAR',
+              'variable': 'item',
+            },
+          ],
+        },
+      ]);
+    });
+    teardown(function () {
       workspaceTeardown.call(this, this.workspace);
     });
-    test('Backwards compatibility', function() {
+    test('Backwards compatibility', function () {
       createGenUidStubWithReturns('1');
-      var dom = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+      const dom = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="field_variable_test_block" id="block_id">' +
           '    <field name="VAR">name1</field>' +
           '  </block>' +
-          '</xml>');
+          '</xml>',
+      );
       Blockly.Xml.domToWorkspace(dom, this.workspace);
-      chai.assert.equal(this.workspace.getAllBlocks(false).length, 1, 'Block count');
+      chai.assert.equal(
+        this.workspace.getAllBlocks(false).length,
+        1,
+        'Block count',
+      );
       assertVariableValues(this.workspace, 'name1', '', '1');
     });
-    test('Variables at top', function() {
-      var dom = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Variables at top', function () {
+      const dom = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <variables>' +
           '    <variable type="type1" id="id1">name1</variable>' +
           '    <variable type="type2" id="id2">name2</variable>' +
@@ -663,153 +782,182 @@ suite('XML', function() {
           '  <block type="field_variable_test_block">' +
           '    <field name="VAR" id="id3">name3</field>' +
           '  </block>' +
-          '</xml>');
+          '</xml>',
+      );
       Blockly.Xml.domToWorkspace(dom, this.workspace);
-      chai.assert.equal(this.workspace.getAllBlocks(false).length, 1, 'Block count');
+      chai.assert.equal(
+        this.workspace.getAllBlocks(false).length,
+        1,
+        'Block count',
+      );
       assertVariableValues(this.workspace, 'name1', 'type1', 'id1');
       assertVariableValues(this.workspace, 'name2', 'type2', 'id2');
       assertVariableValues(this.workspace, 'name3', '', 'id3');
     });
-    test('Variables at top duplicated variables tag', function() {
-      var dom = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Variables at top duplicated variables tag', function () {
+      const dom = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <variables>' +
           '  </variables>' +
           '  <variables>' +
           '  </variables>' +
-          '</xml>');
-      chai.assert.throws(function() {
+          '</xml>',
+      );
+      chai.assert.throws(function () {
         Blockly.Xml.domToWorkspace(dom, this.workspace);
       });
     });
-    test('Variables at top missing type', function() {
-      var dom = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Variables at top missing type', function () {
+      const dom = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <variables>' +
           '    <variable id="id1">name1</variable>' +
           '  </variables>' +
           '  <block type="field_variable_test_block">' +
           '    <field name="VAR" id="id1">name3</field>' +
           '  </block>' +
-          '</xml>');
-      chai.assert.throws(function() {
+          '</xml>',
+      );
+      chai.assert.throws(function () {
         Blockly.Xml.domToWorkspace(dom, this.workspace);
       });
     });
-    test('Variables at top mismatch block type', function() {
-      var dom = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Variables at top mismatch block type', function () {
+      const dom = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <variables>' +
           '    <variable type="type1" id="id1">name1</variable>' +
           '  </variables>' +
           '  <block type="field_variable_test_block">' +
           '    <field name="VAR" id="id1">name1</field>' +
           '  </block>' +
-          '</xml>');
-      chai.assert.throws(function() {
+          '</xml>',
+      );
+      chai.assert.throws(function () {
         Blockly.Xml.domToWorkspace(dom, this.workspace);
       });
     });
   });
-  suite('appendDomToWorkspace', function() {
-    setup(function() {
-      addBlockTypeToCleanup(this.sharedCleanup,'test_block');
+  suite('appendDomToWorkspace', function () {
+    setup(function () {
+      addBlockTypeToCleanup(this.sharedCleanup, 'test_block');
       Blockly.Blocks['test_block'] = {
-        init: function() {
+        init: function () {
           this.jsonInit({
             message0: 'test',
           });
-        }
+        },
       };
       this.workspace = new Blockly.Workspace();
     });
-    teardown(function() {
+    teardown(function () {
       workspaceTeardown.call(this, this.workspace);
     });
-    test('Headless', function() {
-      var dom = Blockly.Xml.textToDom(
-          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+    test('Headless', function () {
+      const dom = Blockly.utils.xml.textToDom(
+        '<xml xmlns="https://developers.google.com/blockly/xml">' +
           '  <block type="test_block" inline="true" x="21" y="23">' +
           '  </block>' +
-          '</xml>');
+          '</xml>',
+      );
       Blockly.Xml.appendDomToWorkspace(dom, this.workspace);
-      chai.assert.equal(this.workspace.getAllBlocks(false).length, 1, 'Block count');
-      var newBlockIds = Blockly.Xml.appendDomToWorkspace(dom, this.workspace);
-      chai.assert.equal(this.workspace.getAllBlocks(false).length, 2, 'Block count');
+      chai.assert.equal(
+        this.workspace.getAllBlocks(false).length,
+        1,
+        'Block count',
+      );
+      const newBlockIds = Blockly.Xml.appendDomToWorkspace(dom, this.workspace);
+      chai.assert.equal(
+        this.workspace.getAllBlocks(false).length,
+        2,
+        'Block count',
+      );
       chai.assert.equal(newBlockIds.length, 1, 'Number of new block ids');
     });
   });
-  suite('workspaceToDom -> domToWorkspace -> workspaceToDom', function() {
-    setup(function() {
-      var options = {
-        comments: true
+  suite('workspaceToDom -> domToWorkspace -> workspaceToDom', function () {
+    setup(function () {
+      const options = {
+        comments: true,
       };
       this.renderedWorkspace = Blockly.inject('blocklyDiv', options);
-      this.headlessWorkspace =
-          new Blockly.Workspace(new Blockly.Options(options));
+      this.headlessWorkspace = new Blockly.Workspace(
+        new Blockly.Options(options),
+      );
     });
-    teardown(function() {
+    teardown(function () {
       workspaceTeardown.call(this, this.renderedWorkspace);
       workspaceTeardown.call(this, this.headlessWorkspace);
     });
-    var assertRoundTrip = function(originWs, targetWs) {
-      var originXml = Blockly.Xml.workspaceToDom(originWs);
+    const assertRoundTrip = function (originWs, targetWs) {
+      const originXml = Blockly.Xml.workspaceToDom(originWs);
       Blockly.Xml.domToWorkspace(originXml, targetWs);
-      var targetXml = Blockly.Xml.workspaceToDom(targetWs);
+      const targetXml = Blockly.Xml.workspaceToDom(targetWs);
 
-      var expectedXmlText = Blockly.Xml.domToText(originXml);
-      var actualXmlText = Blockly.Xml.domToText(targetXml);
+      const expectedXmlText = Blockly.Xml.domToText(originXml);
+      const actualXmlText = Blockly.Xml.domToText(targetXml);
 
       chai.assert.equal(actualXmlText, expectedXmlText);
     };
-    suite('Rendered -> XML -> Headless -> XML', function() {
-      test('Comment', function() {
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-            '<block type="empty_block"/>'
-        ), this.renderedWorkspace);
+    suite('Rendered -> XML -> Headless -> XML', function () {
+      test('Comment', function () {
+        const block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom('<block type="empty_block"/>'),
+          this.renderedWorkspace,
+        );
         block.setCommentText('test text');
-        block.getCommentIcon().setBubbleSize(100, 100);
-        block.getCommentIcon().setVisible(true);
+        const icon = block.getIcon(Blockly.icons.CommentIcon.TYPE);
+        icon.setBubbleSize(new Blockly.utils.Size(100, 100));
+        icon.setBubbleVisible(true);
         assertRoundTrip(this.renderedWorkspace, this.headlessWorkspace);
       });
     });
-    suite('Headless -> XML -> Rendered -> XML', function() {
-      test('Comment', function() {
-        var block = Blockly.Xml.domToBlock(Blockly.Xml.textToDom(
-            '<block type="empty_block"/>'
-        ), this.headlessWorkspace);
+    suite('Headless -> XML -> Rendered -> XML', function () {
+      test('Comment', function () {
+        const block = Blockly.Xml.domToBlock(
+          Blockly.utils.xml.textToDom('<block type="empty_block"/>'),
+          this.headlessWorkspace,
+        );
         block.setCommentText('test text');
-        block.commentModel.size = new Blockly.utils.Size(100, 100);
-        block.commentModel.pinned = true;
+        const icon = block.getIcon(Blockly.icons.CommentIcon.TYPE);
+        icon.setBubbleSize(new Blockly.utils.Size(100, 100));
+        icon.setBubbleVisible(true);
 
         this.clock.runAll();
-        
+
         assertRoundTrip(this.headlessWorkspace, this.renderedWorkspace);
       });
     });
   });
-  suite('generateVariableFieldDom', function() {
-    test('Case Sensitive', function() {
-      var varId = 'testId';
-      var type = 'testType';
-      var name = 'testName';
+  suite('generateVariableFieldDom', function () {
+    test('Case Sensitive', function () {
+      const varId = 'testId';
+      const type = 'testType';
+      const name = 'testName';
 
-      var mockVariableModel = {
+      const mockVariableModel = {
         type: type,
         name: name,
-        getId: function() {
+        getId: function () {
           return varId;
-        }
+        },
       };
 
-      var generatedXml = Blockly.Xml.domToText(
-          Blockly.Variables.generateVariableFieldDom(mockVariableModel));
-      var expectedXml =
-          '<field xmlns="https://developers.google.com/blockly/xml"' +
-          ' name="VAR"' +
-          ' id="' + varId + '"' +
-          ' variabletype="' + type + '"' +
-          '>' + name + '</field>';
+      const generatedXml = Blockly.Xml.domToText(
+        Blockly.Variables.generateVariableFieldDom(mockVariableModel),
+      );
+      const expectedXml =
+        '<field xmlns="https://developers.google.com/blockly/xml"' +
+        ' name="VAR"' +
+        ' id="' +
+        varId +
+        '"' +
+        ' variabletype="' +
+        type +
+        '"' +
+        '>' +
+        name +
+        '</field>';
       chai.assert.equal(generatedXml, expectedXml);
     });
   });
diff --git a/tests/mocha/zoom_controls_test.js b/tests/mocha/zoom_controls_test.js
index ef0028d847a..5129c16c5a1 100644
--- a/tests/mocha/zoom_controls_test.js
+++ b/tests/mocha/zoom_controls_test.js
@@ -4,52 +4,77 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-suite("Zoom Controls", function() {
-  setup(function() {
+import {assertEventFired, assertEventNotFired} from './test_helpers/events.js';
+import * as eventUtils from '../../build/src/core/events/utils.js';
+import {
+  sharedTestSetup,
+  sharedTestTeardown,
+} from './test_helpers/setup_teardown.js';
+import {simulateClick} from './test_helpers/user_input.js';
+
+suite('Zoom Controls', function () {
+  setup(function () {
     sharedTestSetup.call(this);
-    this.workspace = Blockly.inject('blocklyDiv',
-        {'zoom': {'controls': true}});
+    this.workspace = Blockly.inject('blocklyDiv', {'zoom': {'controls': true}});
     this.zoomControls = this.workspace.zoomControls_;
   });
-  teardown(function() {
+  teardown(function () {
     sharedTestTeardown.call(this);
   });
 
-  suite("Events", function() {
+  suite('Events', function () {
     function closeToMatcher(expectedValue, delta) {
-      return sinon.match(function(value) {
+      return sinon.match(function (value) {
         return Math.abs(value - expectedValue) <= delta;
       });
     }
-    test("Zoom in", function() {
-      simulateClick(this.zoomControls.zoomInGroup_);
+    test('Zoom in', function () {
+      simulateClick(this.zoomControls.zoomInGroup);
 
       assertEventFired(
-          this.eventsFireStub, Blockly.Events.Ui,
-          {element: 'zoom', oldValue: 1, newValue: closeToMatcher(1.2, 0.05)},
-          this.workspace.id, null);
-      assertEventNotFired(
-          this.eventsFireStub, Blockly.Events.Ui, {element: 'click'});
+        this.eventsFireStub,
+        Blockly.Events.Click,
+        {targetType: 'zoom_controls', type: eventUtils.CLICK},
+        this.workspace.id,
+        undefined,
+      );
+      assertEventNotFired(this.eventsFireStub, Blockly.Events.Click, {
+        targetType: 'workspace',
+        type: eventUtils.CLICK,
+      });
+      chai.assert.closeTo(this.workspace.getScale(), 1.2, 0.05);
     });
-    test("Zoom out", function() {
-      simulateClick(this.zoomControls.zoomOutGroup_);
+    test('Zoom out', function () {
+      simulateClick(this.zoomControls.zoomOutGroup);
 
       assertEventFired(
-          this.eventsFireStub, Blockly.Events.Ui,
-          {element: 'zoom', oldValue: 1, newValue: closeToMatcher(0.8, 0.05)},
-          this.workspace.id, null);
-      assertEventNotFired(
-          this.eventsFireStub, Blockly.Events.Ui, {element: 'click'});
+        this.eventsFireStub,
+        Blockly.Events.Click,
+        {targetType: 'zoom_controls', type: eventUtils.CLICK},
+        this.workspace.id,
+        undefined,
+      );
+      assertEventNotFired(this.eventsFireStub, Blockly.Events.Click, {
+        targetType: 'workspace',
+        type: eventUtils.CLICK,
+      });
+      chai.assert.closeTo(this.workspace.getScale(), 0.8, 0.05);
     });
-    test("Reset zoom", function() {
-      simulateClick(this.zoomControls.zoomResetGroup_);
+    test('Reset zoom', function () {
+      simulateClick(this.zoomControls.zoomResetGroup);
 
       assertEventFired(
-          this.eventsFireStub, Blockly.Events.Ui,
-          {element: 'zoom', oldValue: 1, newValue: 1},
-          this.workspace.id, null);
-      assertEventNotFired(
-          this.eventsFireStub, Blockly.Events.Ui, {element: 'click'});
+        this.eventsFireStub,
+        Blockly.Events.Click,
+        {targetType: 'zoom_controls', type: eventUtils.CLICK},
+        this.workspace.id,
+        undefined,
+      );
+      assertEventNotFired(this.eventsFireStub, Blockly.Events.Click, {
+        targetType: 'workspace',
+        type: eventUtils.CLICK,
+      });
+      chai.assert.equal(this.workspace.getScale(), 1);
     });
   });
 });
diff --git a/tests/multi_playground.html b/tests/multi_playground.html
index f9d2686475d..ff59127e6f7 100644
--- a/tests/multi_playground.html
+++ b/tests/multi_playground.html
@@ -1,177 +1,187 @@
-<!DOCTYPE html>
+<!doctype html>
 <html>
-<head>
-<meta charset="utf-8">
-<title>Multi-toolbox Playground</title>
-<script src="../blockly_uncompressed.js"></script>
-<script src="../msg/messages.js"></script>
-<script src="../blocks/logic.js"></script>
-<script src="../blocks/loops.js"></script>
-<script src="../blocks/math.js"></script>
-<script src="../blocks/text.js"></script>
-<script src="../blocks/lists.js"></script>
-<script src="../blocks/colour.js"></script>
-<script src="../blocks/variables.js"></script>
-<script src="../blocks/procedures.js"></script>
-<script>
-'use strict';
-var options = {
-  comments: true,
-  collapse: true,
-  disable: true,
-  maxBlocks: Infinity,
-  media: '../media/',
-  oneBasedIndex: true,
-  readOnly: false,
-  //rtl: false,
-  scrollbars: true,
-  trashcan: true,
-  //toolbox: null,
-  //horizontalLayout: false,
-  //toolboxPosition: 'start',
-  zoom: {
-    controls: true,
-    wheel: false,
-    startScale: 1.0,
-    maxScale: 4,
-    minScale: 0.25,
-    scaleSpeed: 1.1
-  }
-};
+  <head>
+    <meta charset="utf-8" />
+    <title>Multi-toolbox Playground</title>
 
-function start() {
-  var match = location.search.match(/toolbox=([^&]+)/);
-  var toolbox =
-      document.getElementById('toolbox-' + (match ? match[1] : 'categories'));
-  document.forms.options.elements.toolbox.selectedIndex =
-      Number(toolbox.getElementsByTagName('category').length == 0);
-  startBlocklyInstance('VertStartLTR', false, false, 'start', toolbox);
-  startBlocklyInstance('VertStartRTL', true, false, 'start', toolbox);
+    <script type="module">
+      import {COMPRESSED, loadScript} from './scripts/load.mjs';
 
-  startBlocklyInstance('VertEndLTR', false, false, 'end', toolbox);
-  startBlocklyInstance('VertEndRTL', true, false, 'end', toolbox);
+      import * as Blockly from '../build/blockly.loader.mjs';
+      import '../build/blocks.loader.mjs';
 
-  startBlocklyInstance('HorizontalStartLTR', false, true, 'start', toolbox);
-  startBlocklyInstance('HorizontalStartRTL', true, true, 'start', toolbox);
+      await loadScript('../build/msg/en.js');
 
-  startBlocklyInstance('HorizontalEndLTR', false, true, 'end', toolbox);
-  startBlocklyInstance('HorizontalEndRTL', true, true, 'end', toolbox);
-}
+      var options = {
+        comments: true,
+        collapse: true,
+        disable: true,
+        maxBlocks: Infinity,
+        media: '../media/',
+        oneBasedIndex: true,
+        readOnly: false,
+        //rtl: false,
+        scrollbars: true,
+        trashcan: true,
+        //toolbox: null,
+        //horizontalLayout: false,
+        //toolboxPosition: 'start',
+        zoom: {
+          controls: true,
+          wheel: false,
+          startScale: 1.0,
+          maxScale: 4,
+          minScale: 0.25,
+          scaleSpeed: 1.1,
+        },
+      };
 
-function startBlocklyInstance(suffix, rtl, horizontalLayout, position,
-    toolbox) {
-  options.rtl = rtl;
-  options.toolbox = toolbox;
-  options.horizontalLayout = horizontalLayout;
-  options.toolboxPosition = position;
-  Blockly.inject('blocklyDiv' + suffix, options);
-}
-</script>
+      function start() {
+        setBackgroundColour();
+        var match = location.search.match(/toolbox=([^&]+)/);
+        var toolbox = document.getElementById(
+          'toolbox-' + (match ? match[1] : 'categories'),
+        );
+        document.forms.options.elements.toolbox.selectedIndex = Number(
+          toolbox.getElementsByTagName('category').length == 0,
+        );
+        startBlocklyInstance('VertStartLTR', false, false, 'start', toolbox);
+        startBlocklyInstance('VertStartRTL', true, false, 'start', toolbox);
 
-<style>
-html, body {
-  height: 100%;
-}
-body {
-  background-color: #fff;
-  font-family: sans-serif;
-}
-h1 {
-  font-weight: normal;
-  font-size: 140%;
-}
+        startBlocklyInstance('VertEndLTR', false, false, 'end', toolbox);
+        startBlocklyInstance('VertEndRTL', true, false, 'end', toolbox);
 
-#octaweb {
-  width: 100%;
-}
-#octaweb th {
-  padding-top: 1em;
-  width: 50%;
-}
-#octaweb td {
-  width: 50%;
-}
-#octaweb td >div {
-  height: 480px;
-  width: 100%;
-}
-</style>
-</head>
-<body onload="start()">
-  <h1>Blockly Multi Playground</h1>
+        startBlocklyInstance(
+          'HorizontalStartLTR',
+          false,
+          true,
+          'start',
+          toolbox,
+        );
+        startBlocklyInstance(
+          'HorizontalStartRTL',
+          true,
+          true,
+          'start',
+          toolbox,
+        );
 
-  <form id="options">
-    <select name="toolbox" onchange="document.forms.options.submit()">
-      <option value="categories">Categories</option>
-      <option value="simple">Simple</option>
-    </select>
-  </form>
+        startBlocklyInstance('HorizontalEndLTR', false, true, 'end', toolbox);
+        startBlocklyInstance('HorizontalEndRTL', true, true, 'end', toolbox);
+      }
 
-  <table id="octaweb">
-    <tr>
-      <th>LTR, Vertical, Start</th>
-      <th>RTL, Vertical, Start</th>
-    </tr>
-    <tr>
-      <td><div id="blocklyDivVertStartLTR"></div></td>
-      <td><div id="blocklyDivVertStartRTL"></div></td>
-    </tr>
-    <tr>
-      <th>LTR, Vertical, End</th>
-      <th>RTL, Vertical, End</th>
-    </tr>
-    <tr>
-      <td><div id="blocklyDivVertEndLTR"></div></td>
-      <td><div id="blocklyDivVertEndRTL"></div></td>
-    </tr>
-    <tr>
-      <th>LTR, Horizontal, Start</th>
-      <th>RTL, Horizontal, Start</th>
-    </tr>
-    <tr>
-      <td><div id="blocklyDivHorizontalStartLTR"></div></td>
-      <td><div id="blocklyDivHorizontalStartRTL"></div></td>
-    </tr>
-    <tr>
-      <th>LTR, Horizontal, End</th>
-      <th>RTL, Horizontal, End</th>
-    </tr>
-    <tr>
-      <td><div id="blocklyDivHorizontalEndLTR"></div></td>
-      <td><div id="blocklyDivHorizontalEndRTL"></div></td>
-    </tr>
-  </table>
+      function startBlocklyInstance(
+        suffix,
+        rtl,
+        horizontalLayout,
+        position,
+        toolbox,
+      ) {
+        options.rtl = rtl;
+        options.toolbox = toolbox;
+        options.horizontalLayout = horizontalLayout;
+        options.toolboxPosition = position;
+        Blockly.inject('blocklyDiv' + suffix, options);
+      }
 
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox-simple" style="display: none">
-    <block type="controls_if"></block>
-    <block type="logic_compare"></block>
-    <!-- <block type="control_repeat"></block> -->
-    <block type="logic_operation"></block>
-    <block type="controls_repeat_ext">
-      <value name="TIMES">
-        <shadow type="math_number">
-          <field name="NUM">10</field>
-        </shadow>
-      </value>
-    </block>
-    <block type="logic_operation"></block>
-    <block type="logic_negate"></block>
-    <block type="logic_boolean"></block>
-    <block type="logic_null" disabled="true"></block>
-    <block type="logic_ternary"></block>
-  </xml>
+      function setBackgroundColour() {
+        // Set background colour to differentiate between compressed and uncompressed mode.
+        if (!COMPRESSED) {
+          document.body.style.backgroundColor = '#d6d6ff'; // Familiar lilac.
+        } else {
+          document.body.style.backgroundColor = '#60fcfc'; // Unfamiliar blue.
+        }
+      }
 
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox-categories" style="display: none">
-    <category name="Logic" categorystyle="logic_category">
+      // Call start().  Because this <script> has type=module, it is
+      // automatically deferred, so it will not be run until after the
+      // document has been parsed, but before firing DOMContentLoaded.
+      start();
+    </script>
+
+    <style>
+      html,
+      body {
+        height: 100%;
+      }
+      body {
+        background-color: #fff;
+        font-family: sans-serif;
+      }
+      h1 {
+        font-weight: normal;
+        font-size: 140%;
+      }
+
+      #octaweb {
+        width: 100%;
+      }
+      #octaweb th {
+        padding-top: 1em;
+        width: 50%;
+      }
+      #octaweb td {
+        width: 50%;
+      }
+      #octaweb td > div {
+        height: 480px;
+        width: 100%;
+      }
+    </style>
+  </head>
+  <body>
+    <h1>Blockly Multi Playground</h1>
+
+    <form id="options">
+      <select name="toolbox" onchange="document.forms.options.submit()">
+        <option value="categories">Categories</option>
+        <option value="simple">Simple</option>
+      </select>
+    </form>
+
+    <table id="octaweb">
+      <tr>
+        <th>LTR, Vertical, Start</th>
+        <th>RTL, Vertical, Start</th>
+      </tr>
+      <tr>
+        <td><div id="blocklyDivVertStartLTR"></div></td>
+        <td><div id="blocklyDivVertStartRTL"></div></td>
+      </tr>
+      <tr>
+        <th>LTR, Vertical, End</th>
+        <th>RTL, Vertical, End</th>
+      </tr>
+      <tr>
+        <td><div id="blocklyDivVertEndLTR"></div></td>
+        <td><div id="blocklyDivVertEndRTL"></div></td>
+      </tr>
+      <tr>
+        <th>LTR, Horizontal, Start</th>
+        <th>RTL, Horizontal, Start</th>
+      </tr>
+      <tr>
+        <td><div id="blocklyDivHorizontalStartLTR"></div></td>
+        <td><div id="blocklyDivHorizontalStartRTL"></div></td>
+      </tr>
+      <tr>
+        <th>LTR, Horizontal, End</th>
+        <th>RTL, Horizontal, End</th>
+      </tr>
+      <tr>
+        <td><div id="blocklyDivHorizontalEndLTR"></div></td>
+        <td><div id="blocklyDivHorizontalEndRTL"></div></td>
+      </tr>
+    </table>
+
+    <xml
+      xmlns="https://developers.google.com/blockly/xml"
+      id="toolbox-simple"
+      style="display: none">
       <block type="controls_if"></block>
       <block type="logic_compare"></block>
+      <!-- <block type="control_repeat"></block> -->
       <block type="logic_operation"></block>
-      <block type="logic_negate"></block>
-      <block type="logic_boolean"></block>
-      <block type="logic_null" disabled="true"></block>
-      <block type="logic_ternary"></block>
-    </category>
-    <category name="Loops" categorystyle="loop_category">
       <block type="controls_repeat_ext">
         <value name="TIMES">
           <shadow type="math_number">
@@ -179,299 +189,294 @@ <h1>Blockly Multi Playground</h1>
           </shadow>
         </value>
       </block>
-      <block type="controls_repeat" disabled="true"></block>
-      <block type="controls_whileUntil"></block>
-      <block type="controls_for">
-        <value name="FROM">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="TO">
-          <shadow type="math_number">
-            <field name="NUM">10</field>
-          </shadow>
-        </value>
-        <value name="BY">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="controls_forEach"></block>
-      <block type="controls_flow_statements"></block>
-    </category>
-    <category name="Math" categorystyle="math_category">
-      <block type="math_number" gap="32">
-        <field name="NUM">123</field>
-      </block>
-      <block type="math_arithmetic">
-        <value name="A">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="B">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_single">
-        <value name="NUM">
-          <shadow type="math_number">
-            <field name="NUM">9</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_trig">
-        <value name="NUM">
-          <shadow type="math_number">
-            <field name="NUM">45</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_constant"></block>
-      <block type="math_number_property">
-        <value name="NUMBER_TO_CHECK">
-          <shadow type="math_number">
-            <field name="NUM">0</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_round">
-        <value name="NUM">
-          <shadow type="math_number">
-            <field name="NUM">3.1</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_on_list"></block>
-      <block type="math_modulo">
-        <value name="DIVIDEND">
-          <shadow type="math_number">
-            <field name="NUM">64</field>
-          </shadow>
-        </value>
-        <value name="DIVISOR">
-          <shadow type="math_number">
-            <field name="NUM">10</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_constrain">
-        <value name="VALUE">
-          <shadow type="math_number">
-            <field name="NUM">50</field>
-          </shadow>
-        </value>
-        <value name="LOW">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="HIGH">
-          <shadow type="math_number">
-            <field name="NUM">100</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_random_int">
-        <value name="FROM">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="TO">
-          <shadow type="math_number">
-            <field name="NUM">100</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_random_float"></block>
-      <block type="math_atan2">
-        <value name="X">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="Y">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-      </block>
-    </category>
-    <category name="Text" categorystyle="text_category">
-      <block type="text"></block>
-      <block type="text_multiline"></block>
-      <block type="text_join"></block>
-      <block type="text_append">
-        <value name="TEXT">
-          <shadow type="text"></shadow>
-        </value>
-      </block>
-      <block type="text_length">
-        <value name="VALUE">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_isEmpty">
-        <value name="VALUE">
-          <shadow type="text">
-            <field name="TEXT"></field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_indexOf">
-        <value name="VALUE">
-          <block type="variables_get">
-            <field name="VAR">text</field>
-          </block>
-        </value>
-        <value name="FIND">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_charAt">
-        <value name="VALUE">
-          <block type="variables_get">
-            <field name="VAR">text</field>
-          </block>
-        </value>
-      </block>
-      <block type="text_getSubstring">
-        <value name="STRING">
-          <block type="variables_get">
-            <field name="VAR">text</field>
-          </block>
-        </value>
-      </block>
-      <block type="text_changeCase">
-        <value name="TEXT">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_trim">
-        <value name="TEXT">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_print">
-        <value name="TEXT">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_prompt_ext">
-        <value name="TEXT">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-    </category>
-    <category name="Lists" categorystyle="list_category">
-      <block type="lists_create_with">
-        <mutation items="0"></mutation>
-      </block>
-      <block type="lists_create_with"></block>
-      <block type="lists_repeat">
-        <value name="NUM">
-          <shadow type="math_number">
-            <field name="NUM">5</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="lists_length"></block>
-      <block type="lists_isEmpty"></block>
-      <block type="lists_indexOf">
-        <value name="VALUE">
-          <block type="variables_get">
-            <field name="VAR">list</field>
-          </block>
-        </value>
-      </block>
-      <block type="lists_getIndex">
-        <value name="VALUE">
-          <block type="variables_get">
-            <field name="VAR">list</field>
-          </block>
-        </value>
-      </block>
-      <block type="lists_setIndex">
-        <value name="LIST">
-          <block type="variables_get">
-            <field name="VAR">list</field>
-          </block>
-        </value>
-      </block>
-      <block type="lists_getSublist">
-        <value name="LIST">
-          <block type="variables_get">
-            <field name="VAR">list</field>
-          </block>
-        </value>
-      </block>
-      <block type="lists_split">
-        <value name="DELIM">
-          <shadow type="text">
-            <field name="TEXT">,</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="lists_sort"></block>
-    </category>
-    <category name="Colour" categorystyle="colour_category">
-      <block type="colour_picker"></block>
-      <block type="colour_random"></block>
-      <block type="colour_rgb">
-        <value name="RED">
-          <shadow type="math_number">
-            <field name="NUM">100</field>
-          </shadow>
-        </value>
-        <value name="GREEN">
-          <shadow type="math_number">
-            <field name="NUM">50</field>
-          </shadow>
-        </value>
-        <value name="BLUE">
-          <shadow type="math_number">
-            <field name="NUM">0</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="colour_blend">
-        <value name="COLOUR1">
-          <shadow type="colour_picker">
-            <field name="COLOUR">#ff0000</field>
-          </shadow>
-        </value>
-        <value name="COLOUR2">
-          <shadow type="colour_picker">
-            <field name="COLOUR">#3333ff</field>
-          </shadow>
-        </value>
-        <value name="RATIO">
-          <shadow type="math_number">
-            <field name="NUM">0.5</field>
-          </shadow>
-        </value>
-      </block>
-    </category>
-    <sep></sep>
-    <category name="Variables" categorystyle="variable_category" custom="VARIABLE"></category>
-    <category name="Functions" categorystyle="procedure_category" custom="PROCEDURE"></category>
-  </xml>
-</body>
+      <block type="logic_operation"></block>
+      <block type="logic_negate"></block>
+      <block type="logic_boolean"></block>
+      <block type="logic_null" disabled="true"></block>
+      <block type="logic_ternary"></block>
+    </xml>
+
+    <xml
+      xmlns="https://developers.google.com/blockly/xml"
+      id="toolbox-categories"
+      style="display: none">
+      <category name="Logic" categorystyle="logic_category">
+        <block type="controls_if"></block>
+        <block type="logic_compare"></block>
+        <block type="logic_operation"></block>
+        <block type="logic_negate"></block>
+        <block type="logic_boolean"></block>
+        <block type="logic_null" disabled="true"></block>
+        <block type="logic_ternary"></block>
+      </category>
+      <category name="Loops" categorystyle="loop_category">
+        <block type="controls_repeat_ext">
+          <value name="TIMES">
+            <shadow type="math_number">
+              <field name="NUM">10</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="controls_repeat" disabled="true"></block>
+        <block type="controls_whileUntil"></block>
+        <block type="controls_for">
+          <value name="FROM">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="TO">
+            <shadow type="math_number">
+              <field name="NUM">10</field>
+            </shadow>
+          </value>
+          <value name="BY">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="controls_forEach"></block>
+        <block type="controls_flow_statements"></block>
+      </category>
+      <category name="Math" categorystyle="math_category">
+        <block type="math_number" gap="32">
+          <field name="NUM">123</field>
+        </block>
+        <block type="math_arithmetic">
+          <value name="A">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="B">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_single">
+          <value name="NUM">
+            <shadow type="math_number">
+              <field name="NUM">9</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_trig">
+          <value name="NUM">
+            <shadow type="math_number">
+              <field name="NUM">45</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_constant"></block>
+        <block type="math_number_property">
+          <value name="NUMBER_TO_CHECK">
+            <shadow type="math_number">
+              <field name="NUM">0</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_round">
+          <value name="NUM">
+            <shadow type="math_number">
+              <field name="NUM">3.1</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_on_list"></block>
+        <block type="math_modulo">
+          <value name="DIVIDEND">
+            <shadow type="math_number">
+              <field name="NUM">64</field>
+            </shadow>
+          </value>
+          <value name="DIVISOR">
+            <shadow type="math_number">
+              <field name="NUM">10</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_constrain">
+          <value name="VALUE">
+            <shadow type="math_number">
+              <field name="NUM">50</field>
+            </shadow>
+          </value>
+          <value name="LOW">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="HIGH">
+            <shadow type="math_number">
+              <field name="NUM">100</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_random_int">
+          <value name="FROM">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="TO">
+            <shadow type="math_number">
+              <field name="NUM">100</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_random_float"></block>
+        <block type="math_atan2">
+          <value name="X">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="Y">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+        </block>
+      </category>
+      <category name="Text" categorystyle="text_category">
+        <block type="text"></block>
+        <block type="text_join"></block>
+        <block type="text_append">
+          <value name="TEXT">
+            <shadow type="text"></shadow>
+          </value>
+        </block>
+        <block type="text_length">
+          <value name="VALUE">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_isEmpty">
+          <value name="VALUE">
+            <shadow type="text">
+              <field name="TEXT"></field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_indexOf">
+          <value name="VALUE">
+            <block type="variables_get">
+              <field name="VAR">text</field>
+            </block>
+          </value>
+          <value name="FIND">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_charAt">
+          <value name="VALUE">
+            <block type="variables_get">
+              <field name="VAR">text</field>
+            </block>
+          </value>
+        </block>
+        <block type="text_getSubstring">
+          <value name="STRING">
+            <block type="variables_get">
+              <field name="VAR">text</field>
+            </block>
+          </value>
+        </block>
+        <block type="text_changeCase">
+          <value name="TEXT">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_trim">
+          <value name="TEXT">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_print">
+          <value name="TEXT">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_prompt_ext">
+          <value name="TEXT">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+      </category>
+      <category name="Lists" categorystyle="list_category">
+        <block type="lists_create_with">
+          <mutation items="0"></mutation>
+        </block>
+        <block type="lists_create_with"></block>
+        <block type="lists_repeat">
+          <value name="NUM">
+            <shadow type="math_number">
+              <field name="NUM">5</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="lists_length"></block>
+        <block type="lists_isEmpty"></block>
+        <block type="lists_indexOf">
+          <value name="VALUE">
+            <block type="variables_get">
+              <field name="VAR">list</field>
+            </block>
+          </value>
+        </block>
+        <block type="lists_getIndex">
+          <value name="VALUE">
+            <block type="variables_get">
+              <field name="VAR">list</field>
+            </block>
+          </value>
+        </block>
+        <block type="lists_setIndex">
+          <value name="LIST">
+            <block type="variables_get">
+              <field name="VAR">list</field>
+            </block>
+          </value>
+        </block>
+        <block type="lists_getSublist">
+          <value name="LIST">
+            <block type="variables_get">
+              <field name="VAR">list</field>
+            </block>
+          </value>
+        </block>
+        <block type="lists_split">
+          <value name="DELIM">
+            <shadow type="text">
+              <field name="TEXT">,</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="lists_sort"></block>
+      </category>
+      <sep></sep>
+      <category
+        name="Variables"
+        categorystyle="variable_category"
+        custom="VARIABLE"></category>
+      <category
+        name="Functions"
+        categorystyle="procedure_category"
+        custom="PROCEDURE"></category>
+    </xml>
+  </body>
 </html>
diff --git a/tests/node/.eslintrc.json b/tests/node/.eslintrc.json
index 50215619b37..c8e8d67c19b 100644
--- a/tests/node/.eslintrc.json
+++ b/tests/node/.eslintrc.json
@@ -1,14 +1,12 @@
 {
-    "parserOptions": {
-        "ecmaVersion": 6
-    },
-    "env": {
-        "browser": false,
-        "mocha": true
-    },
-    "globals": {
-        "console": true,
-        "require": true
-    },
-    "extends": "../../.eslintrc.json"
+  "env": {
+    "node": true,
+    "browser": false,
+    "mocha": true
+  },
+  "globals": {
+    "console": true,
+    "require": true
+  },
+  "extends": "../../.eslintrc.js"
 }
diff --git a/tests/node/.mocharc.js b/tests/node/.mocharc.js
index 0928b25d275..42378c7fa9d 100644
--- a/tests/node/.mocharc.js
+++ b/tests/node/.mocharc.js
@@ -2,5 +2,5 @@
 
 module.exports = {
   ui: 'tdd',
-  reporter: 'landing'
+  reporter: 'landing',
 };
diff --git a/tests/node/node_modules/blockly-test b/tests/node/node_modules/blockly-test
new file mode 120000
index 00000000000..35f47bf7722
--- /dev/null
+++ b/tests/node/node_modules/blockly-test
@@ -0,0 +1 @@
+../../../dist
\ No newline at end of file
diff --git a/tests/node/run_node_test.js b/tests/node/run_node_test.js
index 930d83a4af6..469214a9968 100644
--- a/tests/node/run_node_test.js
+++ b/tests/node/run_node_test.js
@@ -4,54 +4,69 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Mocha tests that test Blockly in Node.
- */
+/** @fileoverview Mocha tests that test Blockly in Node. */
+
+console.log(process.cwd());
 
-var assert = require('chai').assert;
-var Blockly = require('../../dist/');
+// N.B. the file ./node_modules/blockly-test should be a symlink to
+// RELEASE_DIR (i.e. dist/) so that require will load the packaged
+// version of blockly as if it were an external dependency.
+//
+// Moreover, (as with the typescript tests) this link has to be
+// called something other than "blockly", because the node module
+// resolution will favour loading the nearest enclosing package
+// of the same name, which means that require('blockly') will load
+// based on the exports section of the package.json in the repository
+// root, but this fails because (at the time of writing) those paths
+// are relative to RELEASE_DIR (dist/, into which package.json is
+// copied when packaged), resulting in require() looking for the
+// compressed bundles in the wrong place.
 
-var xmlText = '<xml xmlns="https://developers.google.com/blockly/xml">\n' +
-'  <block type="text_print" x="37" y="63">\n' +
-'    <value name="TEXT">\n' +
-'      <shadow type="text">\n' +
-'        <field name="TEXT">Hello from Blockly!</field>\n' +
-'      </shadow>\n' +
-'    </value>\n' +
-'  </block>\n' +
-'</xml>';
+const assert = require('chai').assert;
+const Blockly = require('blockly-test');
+const {javascriptGenerator} = require('blockly-test/javascript');
 
-suite('Test Node.js', function() {
-  test('Import XML', function() {
-    var xml = Blockly.Xml.textToDom(xmlText);
+const xmlText =
+  '<xml xmlns="https://developers.google.com/blockly/xml">\n' +
+  '  <block type="text_print" x="37" y="63">\n' +
+  '    <value name="TEXT">\n' +
+  '      <shadow type="text">\n' +
+  '        <field name="TEXT">Hello from Blockly!</field>\n' +
+  '      </shadow>\n' +
+  '    </value>\n' +
+  '  </block>\n' +
+  '</xml>';
+
+suite('Test Node.js', function () {
+  test('Import XML', function () {
+    const xml = Blockly.utils.xml.textToDom(xmlText);
 
     // Create workspace and import the XML
-    var workspace = new Blockly.Workspace();
+    const workspace = new Blockly.Workspace();
     Blockly.Xml.domToWorkspace(xml, workspace);
   });
-  test('Roundtrip XML', function() {
-    var xml = Blockly.Xml.textToDom(xmlText);
+  test('Roundtrip XML', function () {
+    const xml = Blockly.utils.xml.textToDom(xmlText);
 
-    var workspace = new Blockly.Workspace();
+    const workspace = new Blockly.Workspace();
     Blockly.Xml.domToWorkspace(xml, workspace);
 
-    var headlessXml = Blockly.Xml.workspaceToDom(workspace, true);
-    var headlessText = Blockly.Xml.domToPrettyText(headlessXml);
+    const headlessXml = Blockly.Xml.workspaceToDom(workspace, true);
+    const headlessText = Blockly.Xml.domToPrettyText(headlessXml);
 
     assert.equal(headlessText, xmlText, 'equal');
   });
-  test('Generate Code', function() {
-    var xml = Blockly.Xml.textToDom(xmlText);
+  test('Generate Code', function () {
+    const xml = Blockly.utils.xml.textToDom(xmlText);
 
     // Create workspace and import the XML
-    var workspace = new Blockly.Workspace();
+    const workspace = new Blockly.Workspace();
     Blockly.Xml.domToWorkspace(xml, workspace);
 
     // Convert code
-    var code = Blockly.JavaScript.workspaceToCode(workspace);
-    
+    const code = javascriptGenerator.workspaceToCode(workspace);
+
     // Check output
-    assert.equal('window.alert(\'Hello from Blockly!\');', code.trim(), 'equal');
+    assert.equal("window.alert('Hello from Blockly!');", code.trim(), 'equal');
   });
 });
-
diff --git a/tests/playground.html b/tests/playground.html
index 0a70a0f04af..4ae723ce0f6 100644
--- a/tests/playground.html
+++ b/tests/playground.html
@@ -1,483 +1,599 @@
-<!DOCTYPE html>
+<!doctype html>
 <html>
-<head>
-<meta charset="utf-8">
-<title>Blockly Playground</title>
-<script src="../blockly_uncompressed.js"></script>
-<script src="../generators/javascript.js"></script>
-<script src="../generators/javascript/logic.js"></script>
-<script src="../generators/javascript/loops.js"></script>
-<script src="../generators/javascript/math.js"></script>
-<script src="../generators/javascript/text.js"></script>
-<script src="../generators/javascript/lists.js"></script>
-<script src="../generators/javascript/colour.js"></script>
-<script src="../generators/javascript/variables.js"></script>
-<script src="../generators/javascript/variables_dynamic.js"></script>
-<script src="../generators/javascript/procedures.js"></script>
-<script src="../generators/python.js"></script>
-<script src="../generators/python/logic.js"></script>
-<script src="../generators/python/loops.js"></script>
-<script src="../generators/python/math.js"></script>
-<script src="../generators/python/text.js"></script>
-<script src="../generators/python/lists.js"></script>
-<script src="../generators/python/colour.js"></script>
-<script src="../generators/python/variables.js"></script>
-<script src="../generators/python/variables_dynamic.js"></script>
-<script src="../generators/python/procedures.js"></script>
-<script src="../generators/php.js"></script>
-<script src="../generators/php/logic.js"></script>
-<script src="../generators/php/loops.js"></script>
-<script src="../generators/php/math.js"></script>
-<script src="../generators/php/text.js"></script>
-<script src="../generators/php/lists.js"></script>
-<script src="../generators/php/colour.js"></script>
-<script src="../generators/php/variables.js"></script>
-<script src="../generators/php/variables_dynamic.js"></script>
-<script src="../generators/php/procedures.js"></script>
-<script src="../generators/lua.js"></script>
-<script src="../generators/lua/logic.js"></script>
-<script src="../generators/lua/loops.js"></script>
-<script src="../generators/lua/math.js"></script>
-<script src="../generators/lua/text.js"></script>
-<script src="../generators/lua/lists.js"></script>
-<script src="../generators/lua/colour.js"></script>
-<script src="../generators/lua/variables.js"></script>
-<script src="../generators/lua/variables_dynamic.js"></script>
-<script src="../generators/lua/procedures.js"></script>
-<script src="../generators/dart.js"></script>
-<script src="../generators/dart/logic.js"></script>
-<script src="../generators/dart/loops.js"></script>
-<script src="../generators/dart/math.js"></script>
-<script src="../generators/dart/text.js"></script>
-<script src="../generators/dart/lists.js"></script>
-<script src="../generators/dart/colour.js"></script>
-<script src="../generators/dart/variables.js"></script>
-<script src="../generators/dart/variables_dynamic.js"></script>
-<script src="../generators/dart/procedures.js"></script>
-<script src="../msg/messages.js"></script>
-<script src="../blocks/logic.js"></script>
-<script src="../blocks/loops.js"></script>
-<script src="../blocks/math.js"></script>
-<script src="../blocks/text.js"></script>
-<script src="../blocks/lists.js"></script>
-<script src="../blocks/colour.js"></script>
-<script src="../blocks/variables.js"></script>
-<script src="../blocks/variables_dynamic.js"></script>
-<script src="../blocks/procedures.js"></script>
-<script src="themes/test_themes.js"></script>
-<script src="./playgrounds/screenshot.js"></script>
+  <head>
+    <meta charset="utf-8" />
+    <title>Blockly Playground</title>
 
-<script>
-// Custom requires for the playground.
-goog.require('Blockly.WorkspaceCommentSvg');
-goog.require('Blockly.WorkspaceCommentSvg.render');
-</script>
-<script>
-'use strict';
-var workspace = null;
+    <script type="module">
+      import {COMPRESSED, loadScript} from './scripts/load.mjs';
 
-function start() {
-  setBackgroundColour();
+      import * as Blockly from '../build/blockly.loader.mjs';
+      import '../build/blocks.loader.mjs';
+      import {dartGenerator} from '../build/dart.loader.mjs';
+      import {luaGenerator} from '../build/lua.loader.mjs';
+      import {javascriptGenerator} from '../build/javascript.loader.mjs';
+      import {phpGenerator} from '../build/php.loader.mjs';
+      import {pythonGenerator} from '../build/python.loader.mjs';
 
-  // Parse the URL arguments.
-  var match = location.search.match(/dir=([^&]+)/);
-  var rtl = match && match[1] == 'rtl';
-  document.forms.options.elements.dir.selectedIndex = Number(rtl);
-  var toolbox = getToolboxElement();
-  setToolboxDropdown();
-  match = location.search.match(/side=([^&]+)/);
-  var autoimport = !!location.search.match(/autoimport=([^&]+)/);
-  // Create main workspace.
-  workspace = Blockly.inject('blocklyDiv',
-      {
-        comments: true,
-        collapse: true,
-        disable: true,
-        grid:
-          {
+      await loadScript('../build/msg/en.js');
+      await loadScript('playgrounds/screenshot.js');
+      await loadScript('../node_modules/@blockly/dev-tools/dist/index.js');
+
+      var workspace = null;
+
+      function start() {
+        setBackgroundColour();
+
+        // Parse the URL arguments.
+        var match = location.search.match(/dir=([^&]+)/);
+        var rtl = match && match[1] == 'rtl';
+        document.forms.options.elements.dir.selectedIndex = Number(rtl);
+        var toolbox = getToolboxElement();
+        setToolboxDropdown();
+        match = location.search.match(/side=([^&]+)/);
+        var autoimport = !!location.search.match(/autoimport=([^&]+)/);
+        // Create main workspace.
+        workspace = Blockly.inject('blocklyDiv', {
+          comments: true,
+          collapse: true,
+          disable: true,
+          grid: {
             spacing: 25,
             length: 3,
             colour: '#ccc',
-            snap: true
+            snap: true,
           },
-        horizontalLayout: false,
-        maxBlocks: Infinity,
-        maxInstances: {'test_basic_limit_instances': 3},
-        maxTrashcanContents: 256,
-        media: '../media/',
-        oneBasedIndex: true,
-        readOnly: false,
-        rtl: rtl,
-        move: {
-          scrollbars: true,
-          drag: true,
-          wheel: false,
-        },
-        toolbox: toolbox,
-        toolboxPosition: 'start',
-        renderer: 'geras',
-        zoom:
-          {
+          horizontalLayout: false,
+          maxBlocks: Infinity,
+          maxInstances: {'test_basic_limit_instances': 3},
+          maxTrashcanContents: 256,
+          media: '../media/',
+          oneBasedIndex: true,
+          readOnly: false,
+          rtl: rtl,
+          move: {
+            scrollbars: true,
+            drag: true,
+            wheel: false,
+          },
+          toolbox: toolbox,
+          toolboxPosition: 'start',
+          renderer: 'geras',
+          zoom: {
             controls: true,
             wheel: true,
             startScale: 1.0,
             maxScale: 4,
             minScale: 0.25,
-            scaleSpeed: 1.1
+            scaleSpeed: 1.1,
+          },
+        });
+        initToolbox(workspace);
+
+        workspace.configureContextMenu = configureContextMenu;
+        Blockly.ContextMenuItems.registerCommentOptions();
+
+        // Restore previously displayed text.
+        if (sessionStorage) {
+          var text = sessionStorage.getItem('textarea');
+          if (text) {
+            document.getElementById('importExport').value = text;
           }
-      });
-  workspace.configureContextMenu = configureContextMenu;
-  // Restore previously displayed text.
-  if (sessionStorage) {
-    var text = sessionStorage.getItem('textarea');
-    if (text) {
-      document.getElementById('importExport').value = text;
-    }
-    // Restore event logging state.
-    var logMainEventsState = sessionStorage.getItem('logEvents');
-    logEvents(Boolean(Number(logMainEventsState)));
-    var logToolboxFlyoutEventsState = sessionStorage.getItem('logFlyoutEvents');
-    logFlyoutEvents(Boolean(Number(logToolboxFlyoutEventsState)));
-  } else {
-    // MSIE 11 does not support sessionStorage on file:// URLs.
-    logEvents(false);
-  }
-  taChange();
-  if (autoimport) {
-    fromXml();
-  }
-}
+          // Restore event logging state.
+          var logMainEventsState = sessionStorage.getItem('logEvents');
+          logEvents(Boolean(Number(logMainEventsState)));
+          var logToolboxFlyoutEventsState =
+            sessionStorage.getItem('logFlyoutEvents');
+          logFlyoutEvents(Boolean(Number(logToolboxFlyoutEventsState)));
+        } else {
+          // MSIE 11 does not support sessionStorage on file:// URLs.
+          logEvents(false);
+        }
+        taChange();
+        if (autoimport) {
+          load();
+        }
 
-function setBackgroundColour() {
-  // Set background colour to differentiate server vs local copy.
-  if (location.protocol == 'file:') {
-    var lilac = '#d6d6ff';
-    document.body.style.backgroundColor = lilac;
-  }
-}
+        addEventHandlers();
+      }
 
-function getToolboxSuffix() {
-  var match = location.search.match(/toolbox=([^&]+)/);
-  // Default to the basic toolbox with categories and untyped variables,
-  // but override that if the toolbox type is set in the URL.
-  return (match ? match[1] : 'categories');
-}
+      /**
+       * Set background colour to differentiate between compressed and
+       * uncompressed mode.
+       */
+      function setBackgroundColour() {
+        if (!COMPRESSED) {
+          document.body.style.backgroundColor = '#d6d6ff'; // Familiar lilac.
+        } else {
+          document.body.style.backgroundColor = '#60fcfc'; // Unfamiliar blue.
+        }
+      }
 
-function getToolboxElement() {
-  // The three possible values are: "simple", "categories",
-  // "categories-typed-variables".
-  return document.getElementById('toolbox-' + getToolboxSuffix());
-}
+      function getToolboxSuffix() {
+        var match = location.search.match(/toolbox=([^&]+)/);
+        // Default to the basic toolbox with categories and untyped variables,
+        // but override that if the toolbox type is set in the URL.
+        return match ? match[1] : 'categories';
+      }
 
-function setToolboxDropdown() {
-  var toolboxNames = [
-      'toolbox-categories',
-      'toolbox-categories-typed-variables',
-      'toolbox-simple',
-  ];
-  var toolboxSuffix = getToolboxSuffix();
-  document.forms.options.elements.toolbox.selectedIndex =
-      toolboxNames.indexOf('toolbox-' + toolboxSuffix);
-}
+      function getToolboxElement() {
+        var toolboxSuffix = getToolboxSuffix();
+        if (toolboxSuffix == 'test-blocks') {
+          if (typeof window.toolboxTestBlocks !== 'undefined') {
+            return toolboxTestBlocks;
+          } else {
+            alert(
+              "You need to run 'npm install' in order to use the test blocks.",
+            );
+            toolboxSuffix = 'categories';
+          }
+        }
+        // The three possible values are: "simple", "categories",
+        // "categories-typed-variables".
+        return document.getElementById('toolbox-' + toolboxSuffix);
+      }
 
-function toXml() {
-  var output = document.getElementById('importExport');
-  var xml = Blockly.Xml.workspaceToDom(workspace);
-  output.value = Blockly.Xml.domToPrettyText(xml);
-  output.focus();
-  output.select();
-  taChange();
-}
+      function setToolboxDropdown() {
+        var toolboxNames = [
+          'toolbox-categories',
+          'toolbox-categories-typed-variables',
+          'toolbox-simple',
+          'toolbox-test-blocks',
+        ];
+        var toolboxSuffix = getToolboxSuffix();
+        document.forms.options.elements.toolbox.selectedIndex =
+          toolboxNames.indexOf('toolbox-' + toolboxSuffix);
+      }
 
-function fromXml() {
-  var input = document.getElementById('importExport');
-  if (!input.value) {
-    return;
-  }
-  var xml = Blockly.Xml.textToDom(input.value);
-  Blockly.Xml.domToWorkspace(xml, workspace);
-  taChange();
-}
+      function initToolbox(workspace) {
+        var toolboxSuffix = getToolboxSuffix();
+        if (
+          toolboxSuffix == 'test-blocks' &&
+          typeof window.toolboxTestBlocksInit !== 'undefined'
+        ) {
+          toolboxTestBlocksInit(workspace);
+        }
+      }
 
-function toCode(lang) {
-  var output = document.getElementById('importExport');
-  output.value = Blockly[lang].workspaceToCode(workspace);
-  taChange();
-}
+      function saveXml() {
+        var output = document.getElementById('importExport');
+        var xml = Blockly.Xml.workspaceToDom(workspace);
+        output.value = Blockly.Xml.domToPrettyText(xml);
+        output.focus();
+        output.select();
+        taChange();
+      }
 
-// Disable the "Import from XML" button if the XML is invalid.
-// Preserve text between page reloads.
-function taChange() {
-  var textarea = document.getElementById('importExport');
-  if (sessionStorage) {
-    sessionStorage.setItem('textarea', textarea.value);
-  }
-  var valid = true;
-  try {
-    Blockly.Xml.textToDom(textarea.value);
-  } catch (e) {
-    valid = false;
-  }
-  document.getElementById('import').disabled = !valid;
-}
+      function saveJson() {
+        var output = document.getElementById('importExport');
+        var state = Blockly.serialization.workspaces.save(workspace);
+        output.value = JSON.stringify(state, null, 2);
+        output.focus();
+        output.select();
+        taChange();
+      }
 
-function logEvents(state) {
-  var checkbox = document.getElementById('logCheck');
-  checkbox.checked = state;
-  if (sessionStorage) {
-    sessionStorage.setItem('logEvents', Number(state));
-  }
-  if (state) {
-    workspace.addChangeListener(logger);
-  } else {
-    workspace.removeChangeListener(logger);
-  }
-}
+      function load() {
+        var input = document.getElementById('importExport');
+        if (!input.value) {
+          return;
+        }
+        var valid = saveIsValid(input.value);
+        if (valid.json) {
+          var state = JSON.parse(input.value);
+          Blockly.serialization.workspaces.load(state, workspace);
+        } else if (valid.xml) {
+          var xml = Blockly.utils.xml.textToDom(input.value);
+          Blockly.Xml.domToWorkspace(xml, workspace);
+        }
+        taChange();
+      }
 
-function logFlyoutEvents(state) {
-  var checkbox = document.getElementById('logFlyoutCheck');
-  checkbox.checked = state;
-  if (sessionStorage) {
-    sessionStorage.setItem('logFlyoutEvents', Number(state));
-  }
-  var flyoutWorkspace = workspace.getFlyout().getWorkspace();
-  if (state) {
-    flyoutWorkspace.addChangeListener(logger);
-  } else {
-    flyoutWorkspace.removeChangeListener(logger);
-  }
-}
+      function toCode(lang) {
+        var generator = {
+          'JavaScript': javascriptGenerator,
+          'Python': pythonGenerator,
+          'PHP': phpGenerator,
+          'Lua': luaGenerator,
+          'Dart': dartGenerator,
+        }[lang];
+        var output = document.getElementById('importExport');
+        output.value = generator.workspaceToCode(workspace);
+        taChange();
+      }
 
-function configureContextMenu(menuOptions, e) {
-  var screenshotOption = {
-    text: 'Download Screenshot',
-    enabled: workspace.getTopBlocks().length,
-    callback: function() {
-      Blockly.downloadScreenshot(workspace);
-    }
-  };
-  menuOptions.push(screenshotOption);
+      // Disable the "Load" button if the save state is invalid.
+      // Preserve text between page reloads.
+      function taChange() {
+        var textarea = document.getElementById('importExport');
+        if (sessionStorage) {
+          sessionStorage.setItem('textarea', textarea.value);
+        }
+        var valid = saveIsValid(textarea.value);
+        document.getElementById('import').disabled = !valid.json && !valid.xml;
+      }
 
-  // Adds a default-sized workspace comment to the workspace.
-  menuOptions.push(Blockly.ContextMenu.workspaceCommentOption(workspace, e));
-}
+      function saveIsValid(save) {
+        var validJson = true;
+        try {
+          JSON.parse(save);
+        } catch (e) {
+          validJson = false;
+        }
+        var validXml = true;
+        try {
+          Blockly.utils.xml.textToDom(save);
+        } catch (e) {
+          validXml = false;
+        }
+        return {
+          json: validJson,
+          xml: validXml,
+        };
+      }
 
-function logger(e) {
-  console.log(e);
-}
+      function logEvents(state) {
+        var checkbox = document.getElementById('logCheck');
+        checkbox.checked = state;
+        if (sessionStorage) {
+          sessionStorage.setItem('logEvents', Number(state));
+        }
+        if (state) {
+          workspace.addChangeListener(logger);
+        } else {
+          workspace.removeChangeListener(logger);
+        }
+      }
 
-function airstrike(n) {
-  var prototypes = [];
-  var toolbox = getToolboxElement();
-  var blocks = toolbox.getElementsByTagName('block');
-  for (var i = 0, block; block = blocks[i]; i++) {
-    prototypes.push(block.getAttribute('type'));
-  }
-  for (var i = 0; i < n; i++) {
-    var prototype = prototypes[Math.floor(Math.random() * prototypes.length)];
-    var block = workspace.newBlock(prototype);
-    block.initSvg();
-    block.getSvgRoot().setAttribute('transform', 'translate(' +
-        Math.round(Math.random() * 450 + 40) + ', ' +
-        Math.round(Math.random() * 600 + 40) + ')');
-    block.render();
-  }
-}
+      function logFlyoutEvents(state) {
+        var checkbox = document.getElementById('logFlyoutCheck');
+        checkbox.checked = state;
+        if (sessionStorage) {
+          sessionStorage.setItem('logFlyoutEvents', Number(state));
+        }
+        var flyoutWorkspace = workspace.getFlyout()?.getWorkspace();
+        if (!flyoutWorkspace) return;
+        if (state) {
+          flyoutWorkspace.addChangeListener(logger);
+        } else {
+          flyoutWorkspace.removeChangeListener(logger);
+        }
+      }
 
-function spaghetti(n) {
-  var xml = spaghettiXml;
-  for(var i = 0; i < n; i++) {
-    xml = xml.replace(/(<(statement|next)( name="DO0")?>)<\//g,
-        '$1' + spaghettiXml + '</');
-  }
-  xml = '<xml xmlns="https://developers.google.com/blockly/xml">' + xml + '</xml>';
-  var dom = Blockly.Xml.textToDom(xml);
-  console.time('Spaghetti domToWorkspace');
-  Blockly.Xml.domToWorkspace(dom, workspace);
-  console.timeEnd('Spaghetti domToWorkspace');
-}
-var spaghettiXml = [
-  '  <block type="controls_if">',
-  '    <value name="IF0">',
-  '      <block type="logic_compare">',
-  '        <field name="OP">EQ</field>',
-  '        <value name="A">',
-  '          <block type="math_arithmetic">',
-  '            <field name="OP">MULTIPLY</field>',
-  '            <value name="A">',
-  '              <block type="math_number">',
-  '                <field name="NUM">6</field>',
-  '              </block>',
-  '            </value>',
-  '            <value name="B">',
-  '              <block type="math_number">',
-  '                <field name="NUM">7</field>',
-  '              </block>',
-  '            </value>',
-  '          </block>',
-  '        </value>',
-  '        <value name="B">',
-  '          <block type="math_number">',
-  '            <field name="NUM">42</field>',
-  '          </block>',
-  '        </value>',
-  '      </block>',
-  '    </value>',
-  '    <statement name="DO0"></statement>',
-  '    <next></next>',
-  '  </block>'].join('\n');
+      function configureContextMenu(menuOptions, e) {
+        var screenshotOption = {
+          text: 'Download Screenshot',
+          enabled: workspace.getTopBlocks().length,
+          callback: function () {
+            downloadScreenshot(workspace);
+          },
+        };
+        menuOptions.push(screenshotOption);
+      }
 
-</script>
+      function logger(e) {
+        console.log(e);
+      }
 
-<style>
-  html, body {
-    height: 100%;
-  }
-  body {
-    background-color: #fff;
-    font-family: sans-serif;
-    overflow: hidden;
-  }
-  h1 {
-    font-weight: normal;
-    font-size: 140%;
-  }
-  #blocklyDiv {
-    float: right;
-    height: 95%;
-    width: 70%;
-  }
-  #importExport {
-    font-family: monospace;
-  }
+      function scatter(n) {
+        var prototypes = [];
+        var toolbox = getToolboxElement();
+        var blocks = toolbox.getElementsByTagName('block');
+        for (var i = 0, block; (block = blocks[i]); i++) {
+          prototypes.push(block.getAttribute('type'));
+        }
+        for (var i = 0; i < n; i++) {
+          var prototype =
+            prototypes[Math.floor(Math.random() * prototypes.length)];
+          var block = workspace.newBlock(prototype);
+          block.initSvg();
+          block
+            .getSvgRoot()
+            .setAttribute(
+              'transform',
+              'translate(' +
+                Math.round(Math.random() * 450 + 40) +
+                ', ' +
+                Math.round(Math.random() * 600 + 40) +
+                ')',
+            );
+          block.render();
+        }
+      }
 
-  .ioLabel>.blocklyFlyoutLabelText {
-    font-style: italic;
-  }
+      function spaghetti(n) {
+        var xml = spaghettiXml;
+        for (var i = 0; i < n; i++) {
+          xml = xml.replace(
+            /(<(statement|next)( name="DO0")?>)<\//g,
+            '$1' + spaghettiXml + '</',
+          );
+        }
+        xml =
+          '<xml xmlns="https://developers.google.com/blockly/xml">' +
+          xml +
+          '</xml>';
+        var dom = Blockly.utils.xml.textToDom(xml);
+        console.time('Spaghetti domToWorkspace');
+        Blockly.Xml.domToWorkspace(dom, workspace);
+        console.timeEnd('Spaghetti domToWorkspace');
+      }
+      var spaghettiXml = [
+        '  <block type="controls_if">',
+        '    <value name="IF0">',
+        '      <block type="logic_compare">',
+        '        <field name="OP">EQ</field>',
+        '        <value name="A">',
+        '          <block type="math_arithmetic">',
+        '            <field name="OP">MULTIPLY</field>',
+        '            <value name="A">',
+        '              <block type="math_number">',
+        '                <field name="NUM">6</field>',
+        '              </block>',
+        '            </value>',
+        '            <value name="B">',
+        '              <block type="math_number">',
+        '                <field name="NUM">7</field>',
+        '              </block>',
+        '            </value>',
+        '          </block>',
+        '        </value>',
+        '        <value name="B">',
+        '          <block type="math_number">',
+        '            <field name="NUM">42</field>',
+        '          </block>',
+        '        </value>',
+        '      </block>',
+        '    </value>',
+        '    <statement name="DO0"></statement>',
+        '    <next></next>',
+        '  </block>',
+      ].join('\n');
 
-  #blocklyDiv.renderingDebug .blockRenderDebug {
-    display: block;
-  }
+      function jsoSpaghetti(n) {
+        var str = spaghettiJs;
+        for (var i = 0; i < n; i++) {
+          str = str.replace(/{}/g, `{"block":${spaghettiJs}}`);
+        }
+        var obj = {
+          'blocks': {
+            'blocks': [JSON.parse(str)],
+          },
+        };
+        console.time('Spaghetti serialization');
+        Blockly.serialization.workspaces.load(obj, workspace);
+        console.timeEnd('Spaghetti serialization');
+      }
+      var spaghettiJs = JSON.stringify({
+        'type': 'controls_if',
+        'inputs': {
+          'IF0': {
+            'block': {
+              'type': 'logic_compare',
+              'fields': {
+                'OP': 'EQ',
+              },
+              'inputs': {
+                'A': {
+                  'block': {
+                    'type': 'math_arithmetic',
+                    'fields': {
+                      'OP': 'MULTIPLY',
+                    },
+                    'inputs': {
+                      'A': {
+                        'block': {
+                          'type': 'math_number',
+                          'fields': {
+                            'NUM': 6,
+                          },
+                        },
+                      },
+                      'B': {
+                        'block': {
+                          'type': 'math_number',
+                          'fields': {
+                            'NUM': 7,
+                          },
+                        },
+                      },
+                    },
+                  },
+                },
+                'B': {
+                  'block': {
+                    'type': 'math_number',
+                    'fields': {
+                      'NUM': 42,
+                    },
+                  },
+                },
+              },
+            },
+          },
+          'DO0': {},
+        },
+        'next': {},
+      });
+
+      function addEventHandlers() {
+        document
+          .getElementById('save-json')
+          .addEventListener('click', saveJson);
+        document.getElementById('save-xml').addEventListener('click', saveXml);
+        document.getElementById('import').addEventListener('click', load);
+
+        document
+          .getElementById('to-code-js')
+          .addEventListener('click', () => toCode('JavaScript'));
+        document
+          .getElementById('to-code-py')
+          .addEventListener('click', () => toCode('Python'));
+        document
+          .getElementById('to-code-php')
+          .addEventListener('click', () => toCode('PHP'));
+        document
+          .getElementById('to-code-lua')
+          .addEventListener('click', () => toCode('Lua'));
+        document
+          .getElementById('to-code-dart')
+          .addEventListener('click', () => toCode('Dart'));
+
+        document
+          .getElementById('scatter')
+          .addEventListener('click', () => scatter(100));
+        document
+          .getElementById('spaghetti-xml')
+          .addEventListener('click', () => spaghetti(8));
+        document
+          .getElementById('spaghetti-js')
+          .addEventListener('click', () => jsoSpaghetti(8));
+
+        document
+          .getElementById('logCheck')
+          .addEventListener('click', function () {
+            logEvents(this.checked);
+          });
+        document
+          .getElementById('logFlyoutCheck')
+          .addEventListener('click', function () {
+            logFlyoutEvents(this.checked);
+          });
+
+        document
+          .getElementById('importExport')
+          .addEventListener('change', taChange);
+        document
+          .getElementById('importExport')
+          .addEventListener('keyup', taChange);
+
+        document.getElementById('show').addEventListener('click', function () {
+          workspace.setVisible(true);
+        });
+        document.getElementById('hide').addEventListener('click', function () {
+          workspace.setVisible(false);
+        });
+      }
 
-  .playgroundToggleOptions {
-    list-style: none;
-    padding: 0;
-  }
-  .playgroundToggleOptions li {
-    margin-top: 1em;
-  }
+      // Call start().  Because this <script> has type=module, it is
+      // automatically deferred, so it will not be run until after the
+      // document has been parsed, but before firing DOMContentLoaded.
+      start();
+    </script>
 
-  .blockRenderDebug {
-    display: none;
-  }
+    <style>
+      html,
+      body {
+        height: 100%;
+      }
+      body {
+        background-color: #fff;
+        font-family: sans-serif;
+        overflow: hidden;
+      }
+      h1 {
+        font-weight: normal;
+        font-size: 140%;
+      }
+      #blocklyDiv {
+        float: right;
+        height: 95%;
+        width: 70%;
+      }
+      #importExport {
+        font-family: monospace;
+      }
 
-  .zelos-renderer .blocklyFlyoutButton .blocklyText {
-    font-size: 1.5rem;
-  }
-</style>
-</head>
-<body onload="start()">
+      .ioLabel > .blocklyFlyoutLabelText {
+        font-style: italic;
+      }
 
-  <div id="blocklyDiv"></div>
+      #blocklyDiv.renderingDebug .blockRenderDebug {
+        display: block;
+      }
 
-  <h1>Blockly Playground</h1>
+      .playgroundToggleOptions {
+        list-style: none;
+        padding: 0;
+      }
+      .playgroundToggleOptions li {
+        margin-top: 1em;
+      }
 
-  <p><a href="javascript:void(workspace.setVisible(true))">Show</a>
-   - <a href="javascript:void(workspace.setVisible(false))">Hide</a>
-   - <a href="playgrounds/advanced_playground.html">Advanced</a></p>
+      .zelos-renderer .blocklyFlyoutButton .blocklyText {
+        font-size: 1.5rem;
+      }
+    </style>
+  </head>
+  <body>
+    <div id="blocklyDiv"></div>
 
-  <form id="options">
-    <select name="dir" onchange="document.forms.options.submit()">
-      <option value="ltr">LTR</option>
-      <option value="rtl">RTL</option>
-    </select>
-    <select name="toolbox" onchange="document.forms.options.submit()">
-      <option value="categories">Categories (untyped variables)</option>
-      <option value="categories-typed-variables">Categories (typed variables)</option>
-      <option value="simple">Simple</option>
-    </select>
-  </form>
-  <p>
-    <input type="button" value="Export to XML" onclick="toXml()">
-    &nbsp;
-    <input type="button" value="Import from XML" onclick="fromXml()" id="import">
-    <br>
-    <input type="button" value="To JavaScript" onclick="toCode('JavaScript')">
-    &nbsp;
-    <input type="button" value="To Python" onclick="toCode('Python')">
-    &nbsp;
-    <input type="button" value="To PHP" onclick="toCode('PHP')">
-    &nbsp;
-    <input type="button" value="To Lua" onclick="toCode('Lua')">
-    &nbsp;
-    <input type="button" value="To Dart" onclick="toCode('Dart')">
-    <br>
-    <textarea id="importExport" style="width: 26%; height: 12em"
-      onchange="taChange();" onkeyup="taChange()"></textarea>
-  </p>
+    <h1>Blockly Playground</h1>
 
-  <p>
-    Stress test: &nbsp;
-    <input type="button" value="Airstrike!" onclick="airstrike(100)">
-    <input type="button" value="Spaghetti!" onclick="spaghetti(8)">
-  </p>
-  <ul class="playgroundToggleOptions">
-    <li>
-      <label for="logCheck">Log main workspace events:</label>
-      <input type="checkbox" onclick="logEvents(this.checked)" id="logCheck">
-    </li>
-    <li>
-    <label for="logFlyoutCheck">Log flyout events:</label>
-    <input type="checkbox" onclick="logFlyoutEvents(this.checked)" id="logFlyoutCheck">
-  </li>
-  </ul>
+    <p>
+      <input id="show" type="button" value="Show" /> -
+      <input id="hide" type="button" value="Hide" /> -
+      <a href="playgrounds/advanced_playground.html">Advanced</a>
+    </p>
 
+    <form id="options">
+      <select name="dir" onchange="document.forms.options.submit()">
+        <option value="ltr">LTR</option>
+        <option value="rtl">RTL</option>
+      </select>
+      <select name="toolbox" onchange="document.forms.options.submit()">
+        <option value="categories">Categories (untyped variables)</option>
+        <option value="categories-typed-variables">
+          Categories (typed variables)
+        </option>
+        <option value="simple">Simple</option>
+        <option value="test-blocks">Test Blocks</option>
+      </select>
+    </form>
+    <p>
+      <input id="save-json" type="button" value="Save JSON" />
+      <input id="save-xml" type="button" value="Save XML" />
+      <input type="button" value="Load" id="import" />
+      <br />
+      <input id="to-code-js" type="button" value="To JavaScript" />
+      <input id="to-code-py" type="button" value="To Python" />
+      <input id="to-code-php" type="button" value="To PHP" />
+      <input id="to-code-lua" type="button" value="To Lua" />
+      <input id="to-code-dart" type="button" value="To Dart" />
+      <br />
+      <textarea id="importExport" style="width: 26%; height: 12em"></textarea>
+    </p>
 
-  <!-- The next three blocks of XML are sample toolboxes for testing basic
+    <p>
+      Stress test: &nbsp;
+      <input id="scatter" type="button" value="Scatter!" />
+      <input id="spaghetti-xml" type="button" value="Spaghetti!" />
+      <input id="spaghetti-js" type="button" value="JS Spaghetti!" />
+    </p>
+    <ul class="playgroundToggleOptions">
+      <li>
+        <label for="logCheck">Log main workspace events:</label>
+        <input type="checkbox" id="logCheck" />
+      </li>
+      <li>
+        <label for="logFlyoutCheck">Log flyout events:</label>
+        <input type="checkbox" id="logFlyoutCheck" />
+      </li>
+    </ul>
+
+    <!-- The next three blocks of XML are sample toolboxes for testing basic
   configurations.  For more information on building toolboxes, see https://developers.google.com/blockly/guides/configure/web/toolbox -->
 
-  <!-- toolbox-simple is an always-open flyout with no category menu.
+    <!-- toolbox-simple is an always-open flyout with no category menu.
   Always-open flyouts are a good idea if you have a small number of blocks. -->
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox-simple" style="display: none">
-    <block type="controls_ifelse"></block>
-    <block type="logic_compare"></block>
-    <!-- <block type="control_repeat"></block> -->
-    <block type="logic_operation"></block>
-    <block type="controls_repeat_ext">
-      <value name="TIMES">
-        <shadow type="math_number">
-          <field name="NUM">10</field>
-        </shadow>
-      </value>
-    </block>
-    <block type="logic_operation"></block>
-    <block type="logic_negate"></block>
-    <block type="logic_boolean"></block>
-    <block type="logic_null" disabled="true"></block>
-    <block type="logic_ternary"></block>
-    <block type="text_charAt">
-      <value name="VALUE">
-        <block type="variables_get">
-          <field name="VAR">text</field>
-        </block>
-      </value>
-    </block>
-  </xml>
-
-  <!-- toolbox-categories has a category menu and an auto-closing flyout.  The
-  Variables category uses untyped variable blocks.
-  See https://developers.google.com/blockly/guides/create-custom-blocks/variables#untyped_variable_blocks for more information. -->
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox-categories" style="display: none">
-    <category name="Logic" categorystyle="logic_category">
-      <block type="controls_if"></block>
+    <xml
+      xmlns="https://developers.google.com/blockly/xml"
+      id="toolbox-simple"
+      style="display: none">
+      <block type="controls_ifelse"></block>
       <block type="logic_compare"></block>
+      <!-- <block type="control_repeat"></block> -->
       <block type="logic_operation"></block>
-      <block type="logic_negate"></block>
-      <block type="logic_boolean"></block>
-      <block type="logic_null" disabled="true"></block>
-      <block type="logic_ternary"></block>
-    </category>
-    <category name="Loops" categorystyle="loop_category">
       <block type="controls_repeat_ext">
         <value name="TIMES">
           <shadow type="math_number">
@@ -485,506 +601,11 @@ <h1>Blockly Playground</h1>
           </shadow>
         </value>
       </block>
-      <block type="controls_repeat" disabled="true"></block>
-      <block type="controls_whileUntil"></block>
-      <block type="controls_for">
-        <value name="FROM">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="TO">
-          <shadow type="math_number">
-            <field name="NUM">10</field>
-          </shadow>
-        </value>
-        <value name="BY">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="controls_forEach"></block>
-      <block type="controls_flow_statements"></block>
-    </category>
-    <category name="Math" categorystyle="math_category">
-      <block type="math_number" gap="32">
-        <field name="NUM">123</field>
-      </block>
-      <block type="math_arithmetic">
-        <value name="A">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="B">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_single">
-        <value name="NUM">
-          <shadow type="math_number">
-            <field name="NUM">9</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_trig">
-        <value name="NUM">
-          <shadow type="math_number">
-            <field name="NUM">45</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_constant"></block>
-      <block type="math_number_property">
-        <value name="NUMBER_TO_CHECK">
-          <shadow type="math_number">
-            <field name="NUM">0</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_round">
-        <value name="NUM">
-          <shadow type="math_number">
-            <field name="NUM">3.1</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_on_list"></block>
-      <block type="math_modulo">
-        <value name="DIVIDEND">
-          <shadow type="math_number">
-            <field name="NUM">64</field>
-          </shadow>
-        </value>
-        <value name="DIVISOR">
-          <shadow type="math_number">
-            <field name="NUM">10</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_constrain">
-        <value name="VALUE">
-          <shadow type="math_number">
-            <field name="NUM">50</field>
-          </shadow>
-        </value>
-        <value name="LOW">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="HIGH">
-          <shadow type="math_number">
-            <field name="NUM">100</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_random_int">
-        <value name="FROM">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="TO">
-          <shadow type="math_number">
-            <field name="NUM">100</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_random_float"></block>
-      <block type="math_atan2">
-        <value name="X">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="Y">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-      </block>
-    </category>
-    <category name="Text" categorystyle="text_category">
-      <block type="text"></block>
-      <block type="text_multiline"></block>
-      <block type="text_join"></block>
-      <block type="text_append">
-        <value name="TEXT">
-          <shadow type="text"></shadow>
-        </value>
-      </block>
-      <block type="text_length">
-        <value name="VALUE">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_isEmpty">
-        <value name="VALUE">
-          <shadow type="text">
-            <field name="TEXT"></field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_indexOf">
-        <value name="VALUE">
-          <block type="variables_get">
-            <field name="VAR">text</field>
-          </block>
-        </value>
-        <value name="FIND">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_charAt">
-        <value name="VALUE">
-          <block type="variables_get">
-            <field name="VAR">text</field>
-          </block>
-        </value>
-      </block>
-      <block type="text_getSubstring">
-        <value name="STRING">
-          <block type="variables_get">
-            <field name="VAR">text</field>
-          </block>
-        </value>
-      </block>
-      <block type="text_changeCase">
-        <value name="TEXT">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_trim">
-        <value name="TEXT">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_count">
-        <value name="SUB">
-          <shadow type="text"></shadow>
-        </value>
-        <value name="TEXT">
-          <shadow type="text"></shadow>
-        </value>
-      </block>
-      <block type="text_replace">
-        <value name="FROM">
-          <shadow type="text"></shadow>
-        </value>
-        <value name="TO">
-          <shadow type="text"></shadow>
-        </value>
-        <value name="TEXT">
-          <shadow type="text"></shadow>
-        </value>
-      </block>
-      <block type="text_reverse">
-        <value name="TEXT">
-          <shadow type="text"></shadow>
-        </value>
-      </block>
-      <label text="Input/Output:" web-class="ioLabel"></label>
-      <block type="text_print">
-        <value name="TEXT">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_prompt_ext">
-        <value name="TEXT">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-    </category>
-    <category name="Lists" categorystyle="list_category">
-      <block type="lists_create_with">
-        <mutation items="0"></mutation>
-      </block>
-      <block type="lists_create_with"></block>
-      <block type="lists_repeat">
-        <value name="NUM">
-          <shadow type="math_number">
-            <field name="NUM">5</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="lists_length"></block>
-      <block type="lists_isEmpty"></block>
-      <block type="lists_indexOf">
-        <value name="VALUE">
-          <block type="variables_get">
-            <field name="VAR">list</field>
-          </block>
-        </value>
-      </block>
-      <block type="lists_getIndex">
-        <value name="VALUE">
-          <block type="variables_get">
-            <field name="VAR">list</field>
-          </block>
-        </value>
-      </block>
-      <block type="lists_setIndex">
-        <value name="LIST">
-          <block type="variables_get">
-            <field name="VAR">list</field>
-          </block>
-        </value>
-      </block>
-      <block type="lists_getSublist">
-        <value name="LIST">
-          <block type="variables_get">
-            <field name="VAR">list</field>
-          </block>
-        </value>
-      </block>
-      <block type="lists_split">
-        <value name="DELIM">
-          <shadow type="text">
-            <field name="TEXT">,</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="lists_sort"></block>
-      <block type="lists_reverse"></block>
-    </category>
-    <category name="Colour" categorystyle="colour_category">
-      <block type="colour_picker"></block>
-      <block type="colour_random"></block>
-      <block type="colour_rgb">
-        <value name="RED">
-          <shadow type="math_number">
-            <field name="NUM">100</field>
-          </shadow>
-        </value>
-        <value name="GREEN">
-          <shadow type="math_number">
-            <field name="NUM">50</field>
-          </shadow>
-        </value>
-        <value name="BLUE">
-          <shadow type="math_number">
-            <field name="NUM">0</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="colour_blend">
-        <value name="COLOUR1">
-          <shadow type="colour_picker">
-            <field name="COLOUR">#ff0000</field>
-          </shadow>
-        </value>
-        <value name="COLOUR2">
-          <shadow type="colour_picker">
-            <field name="COLOUR">#3333ff</field>
-          </shadow>
-        </value>
-        <value name="RATIO">
-          <shadow type="math_number">
-            <field name="NUM">0.5</field>
-          </shadow>
-        </value>
-      </block>
-    </category>
-    <sep></sep>
-    <category name="Variables" categorystyle="variable_category" custom="VARIABLE"></category>
-    <category name="Functions" categorystyle="procedure_category" custom="PROCEDURE"></category>
-  </xml>
-
-  <!-- toolbox-categories-typed-variables has a category menu and an
-  auto-closing flyout.  The Variables category uses typed variable blocks.
-  See https://developers.google.com/blockly/guides/create-custom-blocks/variables#typed_variable_blocks for more information. -->
-  <xml xmlns="https://developers.google.com/blockly/xml" id="toolbox-categories-typed-variables" style="display: none">
-    <category name="Logic" categorystyle="logic_category">
-      <block type="controls_if"></block>
-      <block type="logic_compare"></block>
       <block type="logic_operation"></block>
       <block type="logic_negate"></block>
       <block type="logic_boolean"></block>
       <block type="logic_null" disabled="true"></block>
       <block type="logic_ternary"></block>
-    </category>
-    <category name="Loops" categorystyle="loop_category">
-      <block type="controls_repeat_ext">
-        <value name="TIMES">
-          <shadow type="math_number">
-            <field name="NUM">10</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="controls_repeat" disabled="true"></block>
-      <block type="controls_whileUntil"></block>
-      <block type="controls_for">
-        <value name="FROM">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="TO">
-          <shadow type="math_number">
-            <field name="NUM">10</field>
-          </shadow>
-        </value>
-        <value name="BY">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="controls_forEach"></block>
-      <block type="controls_flow_statements"></block>
-    </category>
-    <category name="Math" categorystyle="math_category">
-      <block type="math_number" gap="32">
-        <field name="NUM">123</field>
-      </block>
-      <block type="math_arithmetic">
-        <value name="A">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="B">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_single">
-        <value name="NUM">
-          <shadow type="math_number">
-            <field name="NUM">9</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_trig">
-        <value name="NUM">
-          <shadow type="math_number">
-            <field name="NUM">45</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_constant"></block>
-      <block type="math_number_property">
-        <value name="NUMBER_TO_CHECK">
-          <shadow type="math_number">
-            <field name="NUM">0</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_round">
-        <value name="NUM">
-          <shadow type="math_number">
-            <field name="NUM">3.1</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_on_list"></block>
-      <block type="math_modulo">
-        <value name="DIVIDEND">
-          <shadow type="math_number">
-            <field name="NUM">64</field>
-          </shadow>
-        </value>
-        <value name="DIVISOR">
-          <shadow type="math_number">
-            <field name="NUM">10</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_constrain">
-        <value name="VALUE">
-          <shadow type="math_number">
-            <field name="NUM">50</field>
-          </shadow>
-        </value>
-        <value name="LOW">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="HIGH">
-          <shadow type="math_number">
-            <field name="NUM">100</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_random_int">
-        <value name="FROM">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="TO">
-          <shadow type="math_number">
-            <field name="NUM">100</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="math_random_float"></block>
-      <block type="math_atan2">
-        <value name="X">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-        <value name="Y">
-          <shadow type="math_number">
-            <field name="NUM">1</field>
-          </shadow>
-        </value>
-      </block>
-    </category>
-    <category name="Text" categorystyle="text_category">
-      <block type="text"></block>
-      <block type="text_multiline"></block>
-      <block type="text_join"></block>
-      <block type="text_append">
-        <value name="TEXT">
-          <shadow type="text"></shadow>
-        </value>
-      </block>
-      <block type="text_length">
-        <value name="VALUE">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_isEmpty">
-        <value name="VALUE">
-          <shadow type="text">
-            <field name="TEXT"></field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_indexOf">
-        <value name="VALUE">
-          <block type="variables_get">
-            <field name="VAR">text</field>
-          </block>
-        </value>
-        <value name="FIND">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
       <block type="text_charAt">
         <value name="VALUE">
           <block type="variables_get">
@@ -992,160 +613,668 @@ <h1>Blockly Playground</h1>
           </block>
         </value>
       </block>
-      <block type="text_getSubstring">
-        <value name="STRING">
-          <block type="variables_get">
-            <field name="VAR">text</field>
-          </block>
-        </value>
-      </block>
-      <block type="text_changeCase">
-        <value name="TEXT">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_trim">
-        <value name="TEXT">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_count">
-        <value name="SUB">
-          <shadow type="text"></shadow>
-        </value>
-        <value name="TEXT">
-          <shadow type="text"></shadow>
-        </value>
-      </block>
-      <block type="text_replace">
-        <value name="FROM">
-          <shadow type="text"></shadow>
-        </value>
-        <value name="TO">
-          <shadow type="text"></shadow>
-        </value>
-        <value name="TEXT">
-          <shadow type="text"></shadow>
-        </value>
-      </block>
-      <block type="text_reverse">
-        <value name="TEXT">
-          <shadow type="text"></shadow>
-        </value>
-      </block>
-      <label text="Input/Output:" web-class="ioLabel"></label>
-      <block type="text_print">
-        <value name="TEXT">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="text_prompt_ext">
-        <value name="TEXT">
-          <shadow type="text">
-            <field name="TEXT">abc</field>
-          </shadow>
-        </value>
-      </block>
-    </category>
-    <category name="Lists" categorystyle="list_category">
-      <block type="lists_create_with">
-        <mutation items="0"></mutation>
-      </block>
-      <block type="lists_create_with"></block>
-      <block type="lists_repeat">
-        <value name="NUM">
-          <shadow type="math_number">
-            <field name="NUM">5</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="lists_length"></block>
-      <block type="lists_isEmpty"></block>
-      <block type="lists_indexOf">
-        <value name="VALUE">
-          <block type="variables_get">
-            <field name="VAR">list</field>
-          </block>
-        </value>
-      </block>
-      <block type="lists_getIndex">
-        <value name="VALUE">
-          <block type="variables_get">
-            <field name="VAR">list</field>
-          </block>
-        </value>
-      </block>
-      <block type="lists_setIndex">
-        <value name="LIST">
-          <block type="variables_get">
-            <field name="VAR">list</field>
-          </block>
-        </value>
-      </block>
-      <block type="lists_getSublist">
-        <value name="LIST">
-          <block type="variables_get">
-            <field name="VAR">list</field>
-          </block>
-        </value>
-      </block>
-      <block type="lists_split">
-        <value name="DELIM">
-          <shadow type="text">
-            <field name="TEXT">,</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="lists_sort"></block>
-      <block type="lists_reverse"></block>
-    </category>
-    <category name="Colour" categorystyle="colour_category">
-      <block type="colour_picker"></block>
-      <block type="colour_random"></block>
-      <block type="colour_rgb">
-        <value name="RED">
-          <shadow type="math_number">
-            <field name="NUM">100</field>
-          </shadow>
-        </value>
-        <value name="GREEN">
-          <shadow type="math_number">
-            <field name="NUM">50</field>
-          </shadow>
-        </value>
-        <value name="BLUE">
-          <shadow type="math_number">
-            <field name="NUM">0</field>
-          </shadow>
-        </value>
-      </block>
-      <block type="colour_blend">
-        <value name="COLOUR1">
-          <shadow type="colour_picker">
-            <field name="COLOUR">#ff0000</field>
-          </shadow>
-        </value>
-        <value name="COLOUR2">
-          <shadow type="colour_picker">
-            <field name="COLOUR">#3333ff</field>
-          </shadow>
-        </value>
-        <value name="RATIO">
-          <shadow type="math_number">
-            <field name="NUM">0.5</field>
-          </shadow>
-        </value>
-      </block>
-    </category>
-    <sep></sep>
-    <category name="Variables" categorystyle="variable_category" custom="VARIABLE_DYNAMIC"></category>
-    <category name="Functions" categorystyle="procedure_category" custom="PROCEDURE"></category>
-  </xml>
-</body>
+    </xml>
+
+    <!-- toolbox-categories has a category menu and an auto-closing flyout.  The
+  Variables category uses untyped variable blocks.
+  See https://developers.google.com/blockly/guides/create-custom-blocks/variables#untyped_variable_blocks for more information. -->
+    <xml
+      xmlns="https://developers.google.com/blockly/xml"
+      id="toolbox-categories"
+      style="display: none">
+      <category name="Logic" categorystyle="logic_category">
+        <block type="controls_if"></block>
+        <block type="logic_compare"></block>
+        <block type="logic_operation"></block>
+        <block type="logic_negate"></block>
+        <block type="logic_boolean"></block>
+        <block type="logic_null" disabled="true"></block>
+        <block type="logic_ternary"></block>
+      </category>
+      <category name="Loops" categorystyle="loop_category">
+        <block type="controls_repeat_ext">
+          <value name="TIMES">
+            <shadow type="math_number">
+              <field name="NUM">10</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="controls_repeat" disabled="true"></block>
+        <block type="controls_whileUntil"></block>
+        <block type="controls_for">
+          <value name="FROM">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="TO">
+            <shadow type="math_number">
+              <field name="NUM">10</field>
+            </shadow>
+          </value>
+          <value name="BY">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="controls_forEach"></block>
+        <block type="controls_flow_statements"></block>
+      </category>
+      <category name="Math" categorystyle="math_category">
+        <block type="math_number" gap="32">
+          <field name="NUM">123</field>
+        </block>
+        <block type="math_arithmetic">
+          <value name="A">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="B">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_single">
+          <value name="NUM">
+            <shadow type="math_number">
+              <field name="NUM">9</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_trig">
+          <value name="NUM">
+            <shadow type="math_number">
+              <field name="NUM">45</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_constant"></block>
+        <block type="math_number_property">
+          <value name="NUMBER_TO_CHECK">
+            <shadow type="math_number">
+              <field name="NUM">0</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_round">
+          <value name="NUM">
+            <shadow type="math_number">
+              <field name="NUM">3.1</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_on_list"></block>
+        <block type="math_modulo">
+          <value name="DIVIDEND">
+            <shadow type="math_number">
+              <field name="NUM">64</field>
+            </shadow>
+          </value>
+          <value name="DIVISOR">
+            <shadow type="math_number">
+              <field name="NUM">10</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_constrain">
+          <value name="VALUE">
+            <shadow type="math_number">
+              <field name="NUM">50</field>
+            </shadow>
+          </value>
+          <value name="LOW">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="HIGH">
+            <shadow type="math_number">
+              <field name="NUM">100</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_random_int">
+          <value name="FROM">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="TO">
+            <shadow type="math_number">
+              <field name="NUM">100</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_random_float"></block>
+        <block type="math_atan2">
+          <value name="X">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="Y">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+        </block>
+      </category>
+      <category name="Text" categorystyle="text_category">
+        <block type="text"></block>
+        <block type="text_join"></block>
+        <block type="text_append">
+          <value name="TEXT">
+            <shadow type="text"></shadow>
+          </value>
+        </block>
+        <block type="text_length">
+          <value name="VALUE">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_isEmpty">
+          <value name="VALUE">
+            <shadow type="text">
+              <field name="TEXT"></field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_indexOf">
+          <value name="VALUE">
+            <block type="variables_get">
+              <field name="VAR">text</field>
+            </block>
+          </value>
+          <value name="FIND">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_charAt">
+          <value name="VALUE">
+            <block type="variables_get">
+              <field name="VAR">text</field>
+            </block>
+          </value>
+        </block>
+        <block type="text_getSubstring">
+          <value name="STRING">
+            <block type="variables_get">
+              <field name="VAR">text</field>
+            </block>
+          </value>
+        </block>
+        <block type="text_changeCase">
+          <value name="TEXT">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_trim">
+          <value name="TEXT">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_count">
+          <value name="SUB">
+            <shadow type="text"></shadow>
+          </value>
+          <value name="TEXT">
+            <shadow type="text"></shadow>
+          </value>
+        </block>
+        <block type="text_replace">
+          <value name="FROM">
+            <shadow type="text"></shadow>
+          </value>
+          <value name="TO">
+            <shadow type="text"></shadow>
+          </value>
+          <value name="TEXT">
+            <shadow type="text"></shadow>
+          </value>
+        </block>
+        <block type="text_reverse">
+          <value name="TEXT">
+            <shadow type="text"></shadow>
+          </value>
+        </block>
+        <label text="Input/Output:" web-class="ioLabel"></label>
+        <block type="text_print">
+          <value name="TEXT">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_prompt_ext">
+          <value name="TEXT">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+      </category>
+      <category name="Lists" categorystyle="list_category">
+        <block type="lists_create_with">
+          <mutation items="0"></mutation>
+        </block>
+        <block type="lists_create_with"></block>
+        <block type="lists_repeat">
+          <value name="NUM">
+            <shadow type="math_number">
+              <field name="NUM">5</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="lists_length"></block>
+        <block type="lists_isEmpty"></block>
+        <block type="lists_indexOf">
+          <value name="VALUE">
+            <block type="variables_get">
+              <field name="VAR">list</field>
+            </block>
+          </value>
+        </block>
+        <block type="lists_getIndex">
+          <value name="VALUE">
+            <block type="variables_get">
+              <field name="VAR">list</field>
+            </block>
+          </value>
+        </block>
+        <block type="lists_setIndex">
+          <value name="LIST">
+            <block type="variables_get">
+              <field name="VAR">list</field>
+            </block>
+          </value>
+        </block>
+        <block type="lists_getSublist">
+          <value name="LIST">
+            <block type="variables_get">
+              <field name="VAR">list</field>
+            </block>
+          </value>
+        </block>
+        <block type="lists_split">
+          <value name="DELIM">
+            <shadow type="text">
+              <field name="TEXT">,</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="lists_sort"></block>
+        <block type="lists_reverse"></block>
+      </category>
+      <sep></sep>
+      <category
+        name="Variables"
+        categorystyle="variable_category"
+        custom="VARIABLE"></category>
+      <category
+        name="Functions"
+        categorystyle="procedure_category"
+        custom="PROCEDURE"></category>
+    </xml>
+
+    <!-- toolbox-categories-typed-variables has a category menu and an
+  auto-closing flyout.  The Variables category uses typed variable blocks.
+  See https://developers.google.com/blockly/guides/create-custom-blocks/variables#typed_variable_blocks for more information. -->
+    <xml
+      xmlns="https://developers.google.com/blockly/xml"
+      id="toolbox-categories-typed-variables"
+      style="display: none">
+      <category name="Logic" categorystyle="logic_category">
+        <block type="controls_if"></block>
+        <block type="logic_compare"></block>
+        <block type="logic_operation"></block>
+        <block type="logic_negate"></block>
+        <block type="logic_boolean"></block>
+        <block type="logic_null" disabled="true"></block>
+        <block type="logic_ternary"></block>
+      </category>
+      <category name="Loops" categorystyle="loop_category">
+        <block type="controls_repeat_ext">
+          <value name="TIMES">
+            <shadow type="math_number">
+              <field name="NUM">10</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="controls_repeat" disabled="true"></block>
+        <block type="controls_whileUntil"></block>
+        <block type="controls_for">
+          <value name="FROM">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="TO">
+            <shadow type="math_number">
+              <field name="NUM">10</field>
+            </shadow>
+          </value>
+          <value name="BY">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="controls_forEach"></block>
+        <block type="controls_flow_statements"></block>
+      </category>
+      <category name="Math" categorystyle="math_category">
+        <block type="math_number" gap="32">
+          <field name="NUM">123</field>
+        </block>
+        <block type="math_arithmetic">
+          <value name="A">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="B">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_single">
+          <value name="NUM">
+            <shadow type="math_number">
+              <field name="NUM">9</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_trig">
+          <value name="NUM">
+            <shadow type="math_number">
+              <field name="NUM">45</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_constant"></block>
+        <block type="math_number_property">
+          <value name="NUMBER_TO_CHECK">
+            <shadow type="math_number">
+              <field name="NUM">0</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_round">
+          <value name="NUM">
+            <shadow type="math_number">
+              <field name="NUM">3.1</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_on_list"></block>
+        <block type="math_modulo">
+          <value name="DIVIDEND">
+            <shadow type="math_number">
+              <field name="NUM">64</field>
+            </shadow>
+          </value>
+          <value name="DIVISOR">
+            <shadow type="math_number">
+              <field name="NUM">10</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_constrain">
+          <value name="VALUE">
+            <shadow type="math_number">
+              <field name="NUM">50</field>
+            </shadow>
+          </value>
+          <value name="LOW">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="HIGH">
+            <shadow type="math_number">
+              <field name="NUM">100</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_random_int">
+          <value name="FROM">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="TO">
+            <shadow type="math_number">
+              <field name="NUM">100</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="math_random_float"></block>
+        <block type="math_atan2">
+          <value name="X">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+          <value name="Y">
+            <shadow type="math_number">
+              <field name="NUM">1</field>
+            </shadow>
+          </value>
+        </block>
+      </category>
+      <category name="Text" categorystyle="text_category">
+        <block type="text"></block>
+        <block type="text_join"></block>
+        <block type="text_append">
+          <value name="TEXT">
+            <shadow type="text"></shadow>
+          </value>
+        </block>
+        <block type="text_length">
+          <value name="VALUE">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_isEmpty">
+          <value name="VALUE">
+            <shadow type="text">
+              <field name="TEXT"></field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_indexOf">
+          <value name="VALUE">
+            <block type="variables_get">
+              <field name="VAR">text</field>
+            </block>
+          </value>
+          <value name="FIND">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_charAt">
+          <value name="VALUE">
+            <block type="variables_get">
+              <field name="VAR">text</field>
+            </block>
+          </value>
+        </block>
+        <block type="text_getSubstring">
+          <value name="STRING">
+            <block type="variables_get">
+              <field name="VAR">text</field>
+            </block>
+          </value>
+        </block>
+        <block type="text_changeCase">
+          <value name="TEXT">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_trim">
+          <value name="TEXT">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_count">
+          <value name="SUB">
+            <shadow type="text"></shadow>
+          </value>
+          <value name="TEXT">
+            <shadow type="text"></shadow>
+          </value>
+        </block>
+        <block type="text_replace">
+          <value name="FROM">
+            <shadow type="text"></shadow>
+          </value>
+          <value name="TO">
+            <shadow type="text"></shadow>
+          </value>
+          <value name="TEXT">
+            <shadow type="text"></shadow>
+          </value>
+        </block>
+        <block type="text_reverse">
+          <value name="TEXT">
+            <shadow type="text"></shadow>
+          </value>
+        </block>
+        <label text="Input/Output:" web-class="ioLabel"></label>
+        <block type="text_print">
+          <value name="TEXT">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="text_prompt_ext">
+          <value name="TEXT">
+            <shadow type="text">
+              <field name="TEXT">abc</field>
+            </shadow>
+          </value>
+        </block>
+      </category>
+      <category name="Lists" categorystyle="list_category">
+        <block type="lists_create_with">
+          <mutation items="0"></mutation>
+        </block>
+        <block type="lists_create_with"></block>
+        <block type="lists_repeat">
+          <value name="NUM">
+            <shadow type="math_number">
+              <field name="NUM">5</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="lists_length"></block>
+        <block type="lists_isEmpty"></block>
+        <block type="lists_indexOf">
+          <value name="VALUE">
+            <block type="variables_get">
+              <field name="VAR">list</field>
+            </block>
+          </value>
+        </block>
+        <block type="lists_getIndex">
+          <value name="VALUE">
+            <block type="variables_get">
+              <field name="VAR">list</field>
+            </block>
+          </value>
+        </block>
+        <block type="lists_setIndex">
+          <value name="LIST">
+            <block type="variables_get">
+              <field name="VAR">list</field>
+            </block>
+          </value>
+        </block>
+        <block type="lists_getSublist">
+          <value name="LIST">
+            <block type="variables_get">
+              <field name="VAR">list</field>
+            </block>
+          </value>
+        </block>
+        <block type="lists_split">
+          <value name="DELIM">
+            <shadow type="text">
+              <field name="TEXT">,</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="lists_sort"></block>
+        <block type="lists_reverse"></block>
+      </category>
+      <category name="Colour" categorystyle="colour_category">
+        <block type="colour_picker"></block>
+        <block type="colour_random"></block>
+        <block type="colour_rgb">
+          <value name="RED">
+            <shadow type="math_number">
+              <field name="NUM">100</field>
+            </shadow>
+          </value>
+          <value name="GREEN">
+            <shadow type="math_number">
+              <field name="NUM">50</field>
+            </shadow>
+          </value>
+          <value name="BLUE">
+            <shadow type="math_number">
+              <field name="NUM">0</field>
+            </shadow>
+          </value>
+        </block>
+        <block type="colour_blend">
+          <value name="COLOUR1">
+            <shadow type="colour_picker">
+              <field name="COLOUR">#ff0000</field>
+            </shadow>
+          </value>
+          <value name="COLOUR2">
+            <shadow type="colour_picker">
+              <field name="COLOUR">#3333ff</field>
+            </shadow>
+          </value>
+          <value name="RATIO">
+            <shadow type="math_number">
+              <field name="NUM">0.5</field>
+            </shadow>
+          </value>
+        </block>
+      </category>
+      <sep></sep>
+      <category
+        name="Variables"
+        categorystyle="variable_category"
+        custom="VARIABLE_DYNAMIC"></category>
+      <category
+        name="Functions"
+        categorystyle="procedure_category"
+        custom="PROCEDURE"></category>
+    </xml>
+  </body>
 </html>
diff --git a/tests/playgrounds/advanced_playground.html b/tests/playgrounds/advanced_playground.html
index c97158ba41f..1fcbbd812a9 100644
--- a/tests/playgrounds/advanced_playground.html
+++ b/tests/playgrounds/advanced_playground.html
@@ -1,221 +1,158 @@
-<!DOCTYPE html>
+<!doctype html>
 <html>
-<head>
-<meta charset="utf-8">
-<title>Advanced Blockly Playground</title>
-<script src="../../blockly_uncompressed.js"></script>
-<script src="../../generators/javascript.js"></script>
-<script src="../../generators/javascript/logic.js"></script>
-<script src="../../generators/javascript/loops.js"></script>
-<script src="../../generators/javascript/math.js"></script>
-<script src="../../generators/javascript/text.js"></script>
-<script src="../../generators/javascript/lists.js"></script>
-<script src="../../generators/javascript/colour.js"></script>
-<script src="../../generators/javascript/variables.js"></script>
-<script src="../../generators/javascript/variables_dynamic.js"></script>
-<script src="../../generators/javascript/procedures.js"></script>
-<script src="../../generators/python.js"></script>
-<script src="../../generators/python/logic.js"></script>
-<script src="../../generators/python/loops.js"></script>
-<script src="../../generators/python/math.js"></script>
-<script src="../../generators/python/text.js"></script>
-<script src="../../generators/python/lists.js"></script>
-<script src="../../generators/python/colour.js"></script>
-<script src="../../generators/python/variables.js"></script>
-<script src="../../generators/python/variables_dynamic.js"></script>
-<script src="../../generators/python/procedures.js"></script>
-<script src="../../generators/php.js"></script>
-<script src="../../generators/php/logic.js"></script>
-<script src="../../generators/php/loops.js"></script>
-<script src="../../generators/php/math.js"></script>
-<script src="../../generators/php/text.js"></script>
-<script src="../../generators/php/lists.js"></script>
-<script src="../../generators/php/colour.js"></script>
-<script src="../../generators/php/variables.js"></script>
-<script src="../../generators/php/variables_dynamic.js"></script>
-<script src="../../generators/php/procedures.js"></script>
-<script src="../../generators/lua.js"></script>
-<script src="../../generators/lua/logic.js"></script>
-<script src="../../generators/lua/loops.js"></script>
-<script src="../../generators/lua/math.js"></script>
-<script src="../../generators/lua/text.js"></script>
-<script src="../../generators/lua/lists.js"></script>
-<script src="../../generators/lua/colour.js"></script>
-<script src="../../generators/lua/variables.js"></script>
-<script src="../../generators/lua/variables_dynamic.js"></script>
-<script src="../../generators/lua/procedures.js"></script>
-<script src="../../generators/dart.js"></script>
-<script src="../../generators/dart/logic.js"></script>
-<script src="../../generators/dart/loops.js"></script>
-<script src="../../generators/dart/math.js"></script>
-<script src="../../generators/dart/text.js"></script>
-<script src="../../generators/dart/lists.js"></script>
-<script src="../../generators/dart/colour.js"></script>
-<script src="../../generators/dart/variables.js"></script>
-<script src="../../generators/dart/variables_dynamic.js"></script>
-<script src="../../generators/dart/procedures.js"></script>
-<script src="../../msg/messages.js"></script>
-<script src="../../blocks/logic.js"></script>
-<script src="../../blocks/loops.js"></script>
-<script src="../../blocks/math.js"></script>
-<script src="../../blocks/text.js"></script>
-<script src="../../blocks/lists.js"></script>
-<script src="../../blocks/colour.js"></script>
-<script src="../../blocks/variables.js"></script>
-<script src="../../blocks/variables_dynamic.js"></script>
-<script src="../../blocks/procedures.js"></script>
-<script src="../themes/test_themes.js"></script>
-<script src="./screenshot.js"></script>
-<script src="https://unpkg.com/@blockly/dev-tools@2.0.0/dist/index.js"></script>
-<script src="https://unpkg.com/@blockly/theme-modern/dist/index.js"></script>
-
-<script>
-// Custom requires for the playground.
-// Rendering.
-goog.require('Blockly.minimalist.Renderer');
-goog.require('Blockly.Themes.Zelos');
-
-// Other.
-goog.require('Blockly.WorkspaceCommentSvg');
-goog.require('Blockly.WorkspaceCommentSvg.render');
-</script>
-<script>
-'use strict';
-
-function start() {
-  setBackgroundColour();
-  initPlayground();
-}
-
-function createWorkspace(blocklyDiv, options) {
-  var workspace = Blockly.inject(blocklyDiv, options);
-  workspace.configureContextMenu = configureContextMenu.bind(workspace);
-  return workspace;
-}
-
-function configurePlayground(playground) {
-  // Rendering options.
-  var gui = playground.getGUI();
-  var renderingFolder = gui.addFolder('Rendering');
-  var renderingOptions = {
-    'font Size': 10,
-  };
-  renderingFolder.add(renderingOptions, 'font Size', 0, 50)
-    .onChange(function(value) {
-      var ws = playground.getWorkspace();
-      var fontStyle = {
-        'size': value
-      };
-      ws.getTheme().setFontStyle(fontStyle);
-      // Refresh theme.
-      ws.setTheme(ws.getTheme());
-    });
-}
-
-function initPlayground() {
-  var defaultOptions = {
-        comments: true,
-        collapse: true,
-        disable: true,
-        grid:
-          {
+  <head>
+    <meta charset="utf-8" />
+    <title>Advanced Blockly Playground</title>
+
+    <script type="module">
+      import {loadScript} from '../scripts/load.mjs';
+
+      import * as Blockly from '../../build/blockly.loader.mjs';
+      import '../../build/blocks.loader.mjs';
+      // Generators not needed (but see also bug #6597).
+
+      await loadScript('../../build/msg/en.js');
+      await loadScript('screenshot.js');
+      await loadScript('../themes/test_themes.js');
+      await loadScript('../../node_modules/@blockly/dev-tools/dist/index.js');
+      await loadScript(
+        '../../node_modules/@blockly/theme-modern/dist/index.js',
+      );
+
+      function start() {
+        setBackgroundColour();
+        initPlayground();
+      }
+
+      function createWorkspace(blocklyDiv, options) {
+        var workspace = Blockly.inject(blocklyDiv, options);
+        return workspace;
+      }
+
+      function configurePlayground(playground) {
+        // Rendering options.
+        var gui = playground.getGUI();
+        var renderingFolder = gui.addFolder('Rendering');
+        var renderingOptions = {
+          'font Size': 10,
+        };
+        renderingFolder
+          .add(renderingOptions, 'font Size', 0, 50)
+          .onChange(function (value) {
+            var ws = playground.getWorkspace();
+            var fontStyle = {
+              'size': value,
+            };
+            ws.getTheme().setFontStyle(fontStyle);
+            // Refresh theme.
+            ws.setTheme(ws.getTheme());
+          });
+      }
+
+      function initPlayground() {
+        if (typeof window.createPlayground === 'undefined') {
+          alert(
+            "You need to run 'npm install' in order to use this playground.",
+          );
+          return;
+        }
+        var defaultOptions = {
+          comments: true,
+          collapse: true,
+          disable: true,
+          grid: {
             spacing: 25,
             length: 3,
             colour: '#ccc',
-            snap: true
+            snap: true,
+          },
+          horizontalLayout: false,
+          maxBlocks: Infinity,
+          maxInstances: {'test_basic_limit_instances': 3},
+          maxTrashcanContents: 256,
+          media: '../../media/',
+          oneBasedIndex: true,
+          readOnly: false,
+          rtl: false,
+          move: {
+            scrollbars: true,
+            drag: true,
+            wheel: false,
           },
-        horizontalLayout: false,
-        maxBlocks: Infinity,
-        maxInstances: {'test_basic_limit_instances': 3},
-        maxTrashcanContents: 256,
-        media: '../../media/',
-        oneBasedIndex: true,
-        readOnly: false,
-        rtl: false,
-        move: {
-          scrollbars: true,
-          drag: true,
-          wheel: false,
-        },
-        toolbox: toolboxCategories,
-        toolboxPosition: 'start',
-        renderer: 'geras',
-        zoom:
-          {
+          toolbox: toolboxCategories,
+          toolboxPosition: 'start',
+          renderer: 'geras',
+          zoom: {
             controls: true,
             wheel: true,
             startScale: 1.0,
             maxScale: 4,
             minScale: 0.25,
-            scaleSpeed: 1.1
-          }
-  };
-
-  const playgroundConfig = {
-    toolboxes: {
-      'categories': toolboxCategories,
-      'simple': toolboxSimple,
-      'test blocks': toolboxTestBlocks,
-    }
-  }
-
-  createPlayground(document.getElementById('root'), createWorkspace,
-      defaultOptions, playgroundConfig,
-      'https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.19.2/min/vs')
-      .then(function(playground) {
-        configurePlayground(playground);
-      });
-}
-
-function setBackgroundColour() {
-  // Set background colour to differentiate server vs local copy.
-  if (location.protocol == 'file:') {
-    var lilac = '#d6d6ff';
-    document.body.style.backgroundColor = lilac;
-  }
-}
-
-
-function configureContextMenu(menuOptions, e) {
-  var workspace = this;
-  var screenshotOption = {
-    text: 'Download Screenshot',
-    enabled: workspace.getTopBlocks().length,
-    callback: function() {
-      Blockly.downloadScreenshot(workspace);
-    }
-  };
-  menuOptions.push(screenshotOption);
-
-  // Adds a default-sized workspace comment to the workspace.
-  menuOptions.push(Blockly.ContextMenu.workspaceCommentOption(workspace, e));
-}
-
-</script>
-
-<style>
-  html, body {
-    margin: 0;
-  }
-
-  .ioLabel>.blocklyFlyoutLabelText {
-    font-style: italic;
-  }
-
-  .playgroundToggleOptions {
-    list-style: none;
-    padding: 0;
-  }
-  .playgroundToggleOptions li {
-    margin-top: 1em;
-  }
+            scaleSpeed: 1.1,
+          },
+        };
 
-  .zelos-renderer .blocklyFlyoutButton .blocklyText {
-    font-size: 1.5rem;
-  }
-</style>
-</head>
-<body onload="start()">
-  <div id="root"></div>
-</body>
+        const playgroundConfig = {
+          toolboxes: {
+            'categories': toolboxCategories,
+            'simple': toolboxSimple,
+            'test blocks': toolboxTestBlocks,
+          },
+        };
+
+        Blockly.ContextMenuItems.registerCommentOptions();
+
+        createPlayground(
+          document.getElementById('root'),
+          createWorkspace,
+          defaultOptions,
+          playgroundConfig,
+          'https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.19.2/min/vs',
+        ).then(function (playground) {
+          configurePlayground(playground);
+        });
+      }
+
+      function setBackgroundColour() {
+        // Set background colour to differentiate file: vs. localhost
+        // vs. server copy.
+        if (location.protocol == 'file:') {
+          document.body.style.backgroundColor = '#89A203'; // Unpleasant green.
+        } else if (
+          location.hostname === 'localhost' ||
+          location.hostname === '127.0.0.1' ||
+          location.hostname === '[::1]'
+        ) {
+          document.body.style.backgroundColor = '#d6d6ff'; // Familliar lilac.
+        }
+      }
+      start();
+    </script>
+
+    <style>
+      html,
+      body {
+        margin: 0;
+      }
+
+      .ioLabel > .blocklyFlyoutLabelText {
+        font-style: italic;
+      }
+
+      .playgroundToggleOptions {
+        list-style: none;
+        padding: 0;
+      }
+      .playgroundToggleOptions li {
+        margin-top: 1em;
+      }
+
+      .zelos-renderer .blocklyFlyoutButton .blocklyText {
+        font-size: 1.5rem;
+      }
+    </style>
+  </head>
+  <body>
+    <div id="root"></div>
+  </body>
 </html>
diff --git a/tests/playgrounds/iframe.html b/tests/playgrounds/iframe.html
index 9c57fbf00a9..521d1d1a7cf 100644
--- a/tests/playgrounds/iframe.html
+++ b/tests/playgrounds/iframe.html
@@ -1,39 +1,40 @@
-<!DOCTYPE html>
+<!doctype html>
 <html>
-<head>
-<meta charset="utf-8">
-<title>Blockly &lt;iframe&gt; Playground</title>
-<style>
-  html, body {
-    border: 0;
-    margin: 0;
-    padding: 0;
-    font-family: sans-serif;
-  }
-  h1#title {
-    border: 0;
-    margin: 2px;
-    padding: 0;
-    width: %100;
-  }
-  #playground-iframe {
-    border: 0;
-    width: %100;
-  }
-</style>
-<script type="text/javascript">
-  var onWindowResize = function() {
-    var iframe = document.getElementById('playground-iframe');
-    var top = iframe.getBoundingClientRect().top;
-    iframe.height = window.innerHeight - top;
-    iframe.width = window.innerWidth;
-  };
-  window.addEventListener("resize", onWindowResize);
-  window.addEventListener("load", onWindowResize);
-</script>
-</head>
-<body>
-  <h1 id="title">Outer Frame</h1>
-  <iframe id="playground-iframe" src="../playground.html">
-</body>
-</html>
\ No newline at end of file
+  <head>
+    <meta charset="utf-8" />
+    <title>Blockly &lt;iframe&gt; Playground</title>
+    <style>
+      html,
+      body {
+        border: 0;
+        margin: 0;
+        padding: 0;
+        font-family: sans-serif;
+      }
+      h1#title {
+        border: 0;
+        margin: 2px;
+        padding: 0;
+        width: 100%;
+      }
+      #playground-iframe {
+        border: 0;
+        width: 100%;
+      }
+    </style>
+    <script type="text/javascript">
+      var onWindowResize = function () {
+        var iframe = document.getElementById('playground-iframe');
+        var top = iframe.getBoundingClientRect().top;
+        iframe.height = window.innerHeight - top;
+        iframe.width = window.innerWidth;
+      };
+      window.addEventListener('resize', onWindowResize);
+      window.addEventListener('load', onWindowResize);
+    </script>
+  </head>
+  <body>
+    <h1 id="title">Outer Frame</h1>
+    <iframe id="playground-iframe" src="../playground.html"> </iframe>
+  </body>
+</html>
diff --git a/tests/playgrounds/screenshot.js b/tests/playgrounds/screenshot.js
index 07521b31037..c443755a53e 100644
--- a/tests/playgrounds/screenshot.js
+++ b/tests/playgrounds/screenshot.js
@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview Download screenshot.
- * @author samelh@google.com (Sam El-Husseini)
  */
 'use strict';
 
@@ -18,18 +17,27 @@
  * @param {!Function} callback Callback.
  */
 function svgToPng_(data, width, height, callback) {
-  var canvas = document.createElement("canvas");
-  var context = canvas.getContext("2d");
-  var img = new Image();
+  const canvas = document.createElement('canvas');
+  const context = canvas.getContext('2d');
+  const img = new Image();
 
-  var pixelDensity = 10;
+  const pixelDensity = 10;
   canvas.width = width * pixelDensity;
   canvas.height = height * pixelDensity;
-  img.onload = function() {
+  img.onload = function () {
     context.drawImage(
-        img, 0, 0, width, height, 0, 0, canvas.width, canvas.height);
+      img,
+      0,
+      0,
+      width,
+      height,
+      0,
+      0,
+      canvas.width,
+      canvas.height,
+    );
     try {
-      var dataUri = canvas.toDataURL('image/png');
+      const dataUri = canvas.toDataURL('image/png');
       callback(dataUri);
     } catch (err) {
       console.warn('Error converting the workspace svg to a png');
@@ -46,58 +54,64 @@ function svgToPng_(data, width, height, callback) {
  * @param {string=} customCss Custom CSS to append to the SVG.
  */
 function workspaceToSvg_(workspace, callback, customCss) {
-
   // Go through all text areas and set their value.
-  var textAreas = document.getElementsByTagName("textarea");
-  for (var i = 0; i < textAreas.length; i++) {
+  const textAreas = document.getElementsByTagName('textarea');
+  for (let i = 0; i < textAreas.length; i++) {
     textAreas[i].innerHTML = textAreas[i].value;
   }
 
-  var bBox = workspace.getBlocksBoundingBox();
-  var x = bBox.x || bBox.left;
-  var y = bBox.y || bBox.top;
-  var width = bBox.width || bBox.right - x;
-  var height = bBox.height || bBox.bottom - y;
+  const bBox = workspace.getBlocksBoundingBox();
+  const x = bBox.x || bBox.left;
+  const y = bBox.y || bBox.top;
+  const width = bBox.width || bBox.right - x;
+  const height = bBox.height || bBox.bottom - y;
 
-  var blockCanvas = workspace.getCanvas();
-  var clone = blockCanvas.cloneNode(true);
+  const blockCanvas = workspace.getCanvas();
+  const clone = blockCanvas.cloneNode(true);
   clone.removeAttribute('transform');
-  
-  var svg = document.createElementNS('http://www.w3.org/2000/svg','svg');
+
+  const svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
   svg.setAttribute('xmlns', 'http://www.w3.org/2000/svg');
   svg.appendChild(clone);
-  svg.setAttribute('viewBox',
-      x + ' ' + y + ' ' + width + ' ' + height);
+  svg.setAttribute('viewBox', x + ' ' + y + ' ' + width + ' ' + height);
 
-  svg.setAttribute('class', 'blocklySvg ' +
-    (workspace.options.renderer || 'geras') + '-renderer ' +
-    (workspace.getTheme ? workspace.getTheme().name + '-theme' : ''));
+  svg.setAttribute(
+    'class',
+    'blocklySvg ' +
+      (workspace.options.renderer || 'geras') +
+      '-renderer ' +
+      (workspace.getTheme ? workspace.getTheme().name + '-theme' : ''),
+  );
   svg.setAttribute('width', width);
   svg.setAttribute('height', height);
-  svg.setAttribute("style", 'background-color: transparent');
+  svg.style.backgroundColor = 'transparent';
 
-  var css = [].slice.call(document.head.querySelectorAll('style'))
-      .filter(function(el) { return /\.blocklySvg/.test(el.innerText) ||
-        (el.id.indexOf('blockly-') === 0); }).map(function(el) {
-        return el.innerText; }).join('\n');
-  var style = document.createElement('style');
+  const css = [].slice
+    .call(document.head.querySelectorAll('style'))
+    .filter(
+      (el) => /\.blocklySvg/.test(el.innerText) || el.id.startsWith('blockly-'),
+    )
+    .map((el) => el.innerText)
+    .join('\n');
+  const style = document.createElement('style');
   style.innerHTML = css + '\n' + customCss;
   svg.insertBefore(style, svg.firstChild);
 
-  var svgAsXML = (new XMLSerializer).serializeToString(svg);
+  let svgAsXML = new XMLSerializer().serializeToString(svg);
   svgAsXML = svgAsXML.replace(/&nbsp/g, '&#160');
-  var data = 'data:image/svg+xml,' + encodeURIComponent(svgAsXML);
+  const data = 'data:image/svg+xml,' + encodeURIComponent(svgAsXML);
 
   svgToPng_(data, width, height, callback);
 }
 
+/* eslint-disable no-unused-vars */
 /**
  * Download a screenshot of the blocks on a Blockly workspace.
  * @param {!Blockly.WorkspaceSvg} workspace The Blockly workspace.
  */
-Blockly.downloadScreenshot = function(workspace) {
-  workspaceToSvg_(workspace, function(datauri) {
-    var a = document.createElement('a');
+function downloadScreenshot(workspace) {
+  workspaceToSvg_(workspace, function (datauri) {
+    const a = document.createElement('a');
     a.download = 'screenshot.png';
     a.target = '_self';
     a.href = datauri;
@@ -105,4 +119,5 @@ Blockly.downloadScreenshot = function(workspace) {
     a.click();
     a.parentNode.removeChild(a);
   });
-};
+}
+/* eslint-enable */
diff --git a/tests/rendering/svg_paths.html b/tests/rendering/svg_paths.html
deleted file mode 100644
index fe415c2f69b..00000000000
--- a/tests/rendering/svg_paths.html
+++ /dev/null
@@ -1,98 +0,0 @@
-<!DOCTYPE html>
-<!--
-@license
-Copyright 2019 Google LLC
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
- http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
--->
-<html>
-<head>
-  <meta charset="utf-8">
-  <title>SVG Path Playground</title>
-  <script src="../../blockly_uncompressed.js"></script>
-
-  <style>
-    html, body {
-      height: 100%;
-    }
-    body {
-      background-color: #fff;
-      font-family: sans-serif;
-      overflow: hidden;
-    }
-    .pathDebugClass {
-      stroke-width: 1px;
-      stroke: black;
-      fill: none;
-    }
-    .lineStartMarker {
-      fill: blue;
-    }
-  </style>
-
-<script>
-'use strict';
-var svgSpace;
-
-function addPathAt(path, x, y) {
-  var group = Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.G,
-      {
-        'transform': 'translate(' + (x + 50) + ', ' + y + ')'
-      }, svgSpace);
-  Blockly.utils.dom.createSvgElement(
-      Blockly.utils.Svg.PATH, {
-        'd': 'M 0,0 ' + path,
-        'marker-start': 'url(#startDot)',
-        'marker-end': 'url(#endDot)',
-        'class': 'pathDebugClass'
-      },
-      group);
-
-
-  return group;
-}
-
-function start() {
-  svgSpace = document.getElementById('workspace');
-  addPathAt(Blockly.BlockSvg.START_HAT_PATH, 0, 40);
-  addPathAt(Blockly.BlockSvg.NOTCH_PATH_LEFT, 0, 60);
-  addPathAt(Blockly.BlockSvg.NOTCH_PATH_RIGHT, 0, 70);
-  addPathAt(Blockly.BlockSvg.INNER_TOP_LEFT_CORNER, 0, 90);
-}
-</script>
-
-</head>
-
-<body onload="start()">
-
-  <svg xmlns="http://www.w4.org/2000/svg" version="1.1" width="1000px" height="1000px" viewBox="0 0 200 200" id="workspace">
-
-    <defs>
-      <!-- Background grid -->
-      <pattern id="grid" patternUnits="userSpaceOnUse" width="10" height="10">
-        <line stroke="#ccc" stroke-width="2" x1="0" y1="1" x2="2" y2="1"></line>
-      </pattern>
-      <!-- simple dot marker definitions -->
-      <marker id="startDot" viewBox="0 0 10 10" refX="5" refY="5"
-          markerWidth="5" markerHeight="5">
-        <circle cx="5" cy="5" r="2" fill="red" />
-      </marker>
-      <marker id="endDot" viewBox="0 0 10 10" refX="5" refY="5"
-          markerWidth="5" markerHeight="5">
-        <circle cx="5" cy="5" r="2" fill="blue" />
-      </marker>
-    </defs>
-    <rect x="0" y="0" width="1000" height="1000" style="fill:url(#grid);"></rect>
-  </svg>
-</body>
diff --git a/tests/rendering/zelos/README.md b/tests/rendering/zelos/README.md
deleted file mode 100644
index d8cf459dfe1..00000000000
--- a/tests/rendering/zelos/README.md
+++ /dev/null
@@ -1,19 +0,0 @@
-# Zelos Rendering / PXT-Blockly Comparison Playground
-
-## Dependencies
-```
-npm install -g http-server
-```
-
-## Running the Playground:
-
-In Blockly's root directory, run:
-```
-http-server ./
-```
-
-and browse to:
-```
-http://127.0.0.1:8080/tests/rendering/zelos
-```
-
diff --git a/tests/rendering/zelos/index.html b/tests/rendering/zelos/index.html
deleted file mode 100644
index 4516b79be8e..00000000000
--- a/tests/rendering/zelos/index.html
+++ /dev/null
@@ -1,247 +0,0 @@
-<html>
-
-<head>
-  <style>
-    html,
-    body {
-      margin: 0;
-    }
-
-    #frames {
-      position: absolute;
-      width: 100%;
-      height: calc(100% - 3rem);
-      bottom: 0;
-    }
-
-    #frames .row {
-      position: relative;
-      display: flex;
-      flex-direction: row;
-    }
-
-    #frames .col {
-      flex: 1;
-      width: 100%;
-      height: 100%;
-    }
-
-    #frames .col h2 {
-      text-align: center;
-    }
-
-    #frames iframe {
-      border: 0;
-      margin: 0;
-      padding: 0;
-      width: 100%;
-      height: 500px;
-    }
-
-    .output {
-      height: 500px;
-    }
-  </style>
-</head>
-
-<body>
-  <select id="selector">
-    <option value="colour_blend">colour_blend</option>
-    <option value="colour_picker">colour_picker</option>
-    <option value="colour_random">colour_random</option>
-    <option value="colour_rgb">colour_rgb</option>
-    <option value="controls_flow_statements">controls_flow_statements</option>
-    <option value="controls_for">controls_for</option>
-    <option value="controls_forEach">controls_forEach</option>
-    <option value="controls_if">controls_if</option>
-    <option value="controls_if_else">controls_if_else</option>
-    <option value="controls_if_elseif">controls_if_elseif</option>
-    <option value="controls_if_if">controls_if_if</option>
-    <option value="controls_ifelse">controls_ifelse</option>
-    <option value="controls_repeat">controls_repeat</option>
-    <option value="controls_repeat_ext">controls_repeat_ext</option>
-    <option value="controls_whileUntil">controls_whileUntil</option>
-    <option value="lists_create_empty">lists_create_empty</option>
-    <option value="lists_create_with">lists_create_with</option>
-    <option value="lists_create_with_container">lists_create_with_container</option>
-    <option value="lists_create_with_item">lists_create_with_item</option>
-    <option value="lists_getIndex">lists_getIndex</option>
-    <option value="lists_getSublist">lists_getSublist</option>
-    <option value="lists_indexOf">lists_indexOf</option>
-    <option value="lists_isEmpty">lists_isEmpty</option>
-    <option value="lists_length">lists_length</option>
-    <option value="lists_repeat">lists_repeat</option>
-    <option value="lists_reverse">lists_reverse</option>
-    <option value="lists_setIndex">lists_setIndex</option>
-    <option value="lists_sort">lists_sort</option>
-    <option value="lists_split">lists_split</option>
-    <option value="logic_boolean">logic_boolean</option>
-    <option value="logic_compare">logic_compare</option>
-    <option value="logic_negate">logic_negate</option>
-    <option value="logic_null">logic_null</option>
-    <option value="logic_operation">logic_operation</option>
-    <option value="logic_ternary">logic_ternary</option>
-    <option value="math_addition">math_addition</option>
-    <option value="math_arithmetic">math_arithmetic</option>
-    <option value="math_atan2">math_atan2</option>
-    <option value="math_change">math_change</option>
-    <option value="math_constant">math_constant</option>
-    <option value="math_constrain">math_constrain</option>
-    <option value="math_modulo">math_modulo</option>
-    <option value="math_number">math_number</option>
-    <option value="math_number_property">math_number_property</option>
-    <option value="math_on_list">math_on_list</option>
-    <option value="math_random_float">math_random_float</option>
-    <option value="math_random_int">math_random_int</option>
-    <option value="math_round">math_round</option>
-    <option value="math_single">math_single</option>
-    <option value="math_subtraction">math_subtraction</option>
-    <option value="math_trig">math_trig</option>
-    <option value="multi_block_1">multi_block_1</option>
-    <option value="multi_block_logic">multi_block_logic</option>
-    <option value="multi_colour_with_external">multi_colour_with_external</option>
-    <option value="multi_colour_with_internal">multi_colour_with_internal</option>
-    <option value="multi_stack">multi_stack</option>
-    <option value="not_true">not_true</option>
-    <option value="procedures_callnoreturn">procedures_callnoreturn</option>
-    <option value="procedures_callreturn">procedures_callreturn</option>
-    <option value="procedures_defnoreturn">procedures_defnoreturn</option>
-    <option value="procedures_defreturn">procedures_defreturn</option>
-    <option value="procedures_ifreturn">procedures_ifreturn</option>
-    <option value="procedures_mutatorarg">procedures_mutatorarg</option>
-    <option value="procedures_mutatorcontainer">procedures_mutatorcontainer</option>
-    <option value="text_append">text_append</option>
-    <option value="text_changeCase">text_changeCase</option>
-    <option value="text_charAt">text_charAt</option>
-    <option value="text_count">text_count</option>
-    <option value="text_create_join_container">text_create_join_container</option>
-    <option value="text_create_join_item">text_create_join_item</option>
-    <option value="text_getSubstring">text_getSubstring</option>
-    <option value="text_indexOf">text_indexOf</option>
-    <option value="text_isEmpty">text_isEmpty</option>
-    <option value="text_join">text_join</option>
-    <option value="text_length">text_length</option>
-    <option value="text_print">text_print</option>
-    <option value="text_prompt">text_prompt</option>
-    <option value="text_prompt_ext">text_prompt_ext</option>
-    <option value="text_replace">text_replace</option>
-    <option value="text_reverse">text_reverse</option>
-    <option value="text_trim">text_trim</option>
-    <option value="variables_get">variables_get</option>
-    <option value="variables_get_dynamic">variables_get_dynamic</option>
-    <option value="variables_set">variables_set</option>
-    <option value="variables_set_dynamic">variables_set_dynamic</option>
-  </select>
-  <div id="frames">
-    <div class="row">
-      <div class="col">
-        <h2>Zelos Rendering</h2>
-      </div>
-      <div class="col">
-        <h2>PXT-Blockly Rendering</h2>
-      </div>
-    </div>
-    <div class="row">
-      <div class="col">
-        <iframe id="zelos" src="./zelos.html"></iframe>
-      </div>
-      <div class="col">
-        <iframe id="pxtblockly" src="./pxtblockly.html"></iframe>
-      </div>
-    </div>
-    <div class="row">
-      <div class="col">
-        <div id="zelosout">
-          <h2>Zelos Rendering</h2>
-          <img id="zelosoutput" class="output" />
-        </div>
-        <div id="pxtblocklyout">
-          <h2>PXT-Blockly Rendering</h2>
-          <img id="pxtblocklyoutput" class="output" />
-        </div>
-      </div>
-    </div>
-  </div>
-
-  <script type="text/javascript">
-    var pxtblockly = document.getElementById('pxtblockly');
-    var zelos = document.getElementById('zelos');
-    var selector = document.getElementById('selector');
-    var hash = document.location.hash;
-    if (hash) {
-      selector.value = hash.substring(1);
-    }
-
-    window.addEventListener('message', function (msg) {
-      var data = msg.data;
-      if (data.type === 'svg') {
-        var output = document.getElementById(data.from + 'output');
-        output.src = data.text;
-      }
-    });
-
-    var current = 'zelos';
-    var pause = false;
-    document.getElementById('pxtblocklyout').style.display = 'none';
-    setInterval(function () {
-      if (!pause) {
-        document.getElementById(current + 'out').style.display = 'none';
-        current = current == 'zelos' ? 'pxtblockly' : 'zelos';
-        document.getElementById(current + 'out').style.display = 'block';
-      }
-    }, 1000);
-
-    pxtblockly.addEventListener('load', function () {
-      updateWorkspaces(selector.value);
-    });
-
-    zelos.addEventListener('load', function () {
-      updateWorkspaces(selector.value);
-    });
-
-    selector.addEventListener('change', function (e) {
-      updateWorkspaces(e.target.value);
-    });
-
-    function updateWorkspaces(testCase) {
-      var fileName = '../../screenshot/test_cases/' + testCase;
-      window.location.hash = testCase;
-
-      var rawFile = new XMLHttpRequest();
-      rawFile.open('GET', fileName, false);
-      rawFile.onreadystatechange = function () {
-        if (rawFile.readyState === 4) {
-          if (rawFile.status === 200 || rawFile.status == 0) {
-            var xml = rawFile.responseText;
-            if (xml) {
-              pxtblockly.contentWindow.postMessage({
-                type: 'post',
-                xml: xml
-              }, '*');
-              zelos.contentWindow.postMessage({
-                type: 'post',
-                xml: xml
-              }, '*');
-            }
-          }
-        }
-      }
-      rawFile.send();
-    }
-
-    document.addEventListener('keydown', function (e) {
-      if (e.keyCode === 37) {
-        selector.selectedIndex = selector.selectedIndex - 1;
-        updateWorkspaces(selector.value);
-      } else if (e.keyCode === 39) {
-        selector.selectedIndex = selector.selectedIndex + 1;
-        updateWorkspaces(selector.value);
-      } else if (e.keyCode === 32) {
-        pause = !pause;
-      }
-    });
-
-  </script>
-</body>
-
-</html>
\ No newline at end of file
diff --git a/tests/rendering/zelos/pxtblockly.html b/tests/rendering/zelos/pxtblockly.html
deleted file mode 100644
index d3aa9dffef8..00000000000
--- a/tests/rendering/zelos/pxtblockly.html
+++ /dev/null
@@ -1,66 +0,0 @@
-<html>
-
-<head>
-  <script type="text/javascript" src="https://unpkg.com/pxt-blockly@2.1.12/blockly_compressed.js"></script>
-  <script type="text/javascript" src="https://unpkg.com/pxt-blockly@2.1.12/blocks_compressed.js"></script>
-  <script type="text/javascript" src="https://unpkg.com/pxt-blockly@2.1.12/msg/messages.js"></script>
-  <script type="text/javascript" src="../../playgrounds/screenshot.js"></script>
-</head>
-
-<body>
-  <div id="blocklyDiv"></div>
-  <script>
-    var blocklyDiv = document.getElementById('blocklyDiv');
-    var workspace;
-    window.addEventListener('message', function (msg) {
-      var data = msg.data;
-      if (data.type !== 'post') {
-        return;
-      }
-      var xml = data.xml;
-      try {
-        if (workspace) {
-          workspace.dispose();
-          blocklyDiv.innerHTML = '';
-        }
-      } catch { }
-
-      workspace = Blockly.inject(blocklyDiv, {
-        move: {
-          scrollbars: true,
-          drag: true,
-          wheel: false,
-        },
-        zoom: {
-          wheel: true,
-          startScale: 2,
-        }
-      });
-
-      Blockly.Xml.domToWorkspace(Blockly.Xml.textToDom(xml), workspace);
-
-      function postChange() {
-        try {
-          var topBlock = workspace.getTopBlocks()[0];
-          workspaceToSvg_(workspace, function (datauri) {
-            window.parent.postMessage({
-              type: 'svg',
-              from: 'pxtblockly',
-              text: datauri
-            }, '*');
-          });
-        } catch { }
-      }
-
-      workspace.addChangeListener(function(e) {
-        if (e.type != 'ui') {
-          postChange();
-        }
-      });
-
-      postChange();
-    });
-  </script>
-</body>
-
-</html>
\ No newline at end of file
diff --git a/tests/rendering/zelos/pxtblockly/index.html b/tests/rendering/zelos/pxtblockly/index.html
deleted file mode 100644
index 6a53da07292..00000000000
--- a/tests/rendering/zelos/pxtblockly/index.html
+++ /dev/null
@@ -1,166 +0,0 @@
-<html>
-
-<head>
-  <script type="text/javascript" src="../../../../blockly_uncompressed.js"></script>
-  <script type="text/javascript" src="https://unpkg.com/pxt-blockly@2.1.12/blocks_compressed.js"></script>
-  <script type="text/javascript" src="https://unpkg.com/pxt-blockly@2.1.12/msg/messages.js"></script>
-  <style>
-    html,
-    body {
-      margin: 0;
-    }
-
-    #frames {
-      position: absolute;
-      width: 100%;
-      height: calc(100% - 3rem);
-      bottom: 0;
-    }
-
-    #frames .row {
-      position: relative;
-      display: flex;
-      flex-direction: row;
-    }
-
-    #frames .col {
-      flex: 1;
-      width: 100%;
-      height: 100%;
-    }
-
-    #frames .col h2 {
-      text-align: center;
-    }
-
-    #frames iframe {
-      border: 0;
-      margin: 0;
-      padding: 0;
-      width: 100%;
-      height: 300px;
-    }
-
-    .output {
-      max-height: 300px;
-      max-width: 100%;
-    }
-  </style>
-</head>
-
-<body>
-  <select id="selector">
-  </select>
-  <a href="../scratchblocks/">Scratch-Blocks</a>
-  <script>
-    var selector = document.getElementById('selector');
-    for (var blockId in Blockly.Blocks) {
-      if (!Object.keys(Blockly.Blocks[blockId]).length) continue;
-      var option = document.createElement('option');
-      option.value = blockId;
-      option.textContent = blockId;
-      selector.appendChild(option);
-    }
-  </script>
-  <div id="frames">
-    <div class="row">
-      <div class="col">
-        <h2>Zelos Rendering</h2>
-      </div>
-      <div class="col">
-        <h2>PXT-Blockly Rendering</h2>
-      </div>
-    </div>
-    <div class="row">
-      <div class="col">
-        <iframe id="zelos" src="./zelos.html"></iframe>
-      </div>
-      <div class="col">
-        <iframe id="pxtblockly" src="./pxtblockly.html"></iframe>
-      </div>
-    </div>
-    <div class="row">
-      <div class="col">
-        <div id="zelosout">
-          <h2>Zelos Rendering</h2>
-          <img id="zelosoutput" class="output" />
-        </div>
-        <div id="pxtblocklyout">
-          <h2>PXT-Blockly Rendering</h2>
-          <img id="pxtblocklyoutput" class="output" />
-        </div>
-      </div>
-    </div>
-  </div>
-
-  <script type="text/javascript">
-    var pxtblockly = document.getElementById('pxtblockly');
-    var zelos = document.getElementById('zelos');
-    var selector = document.getElementById('selector');
-    var hash = document.location.hash;
-    if (hash) {
-      selector.value = hash.substring(1);
-    }
-
-    window.addEventListener('message', function (msg) {
-      var data = msg.data;
-      if (data.type === 'svg') {
-        var output = document.getElementById(data.from + 'output');
-        output.src = data.text;
-      }
-    });
-
-    var current = 'zelos';
-    var pause = false;
-    document.getElementById('pxtblocklyout').style.display = 'none';
-    setInterval(function () {
-      if (!pause) {
-        document.getElementById(current + 'out').style.display = 'none';
-        current = current == 'zelos' ? 'pxtblockly' : 'zelos';
-        document.getElementById(current + 'out').style.display = 'block';
-      }
-    }, 1000);
-
-    pxtblockly.addEventListener('load', function () {
-      updateWorkspaces(selector.value);
-    });
-
-    zelos.addEventListener('load', function () {
-      updateWorkspaces(selector.value);
-    });
-
-    selector.addEventListener('change', function (e) {
-      updateWorkspaces(e.target.value);
-    });
-
-    function updateWorkspaces(testCase) {
-      window.location.hash = testCase;
-      var xml = `<xml xmlns="https://developers.google.com/blockly/xml">
-  <block type="${testCase}"></block>
-</xml>`;
-      pxtblockly.contentWindow.postMessage({
-        type: 'post',
-        xml: xml
-      }, '*');
-      zelos.contentWindow.postMessage({
-        type: 'post',
-        xml: xml
-      }, '*');
-    }
-
-    document.addEventListener('keydown', function (e) {
-      if (e.keyCode === 37) {
-        selector.selectedIndex = selector.selectedIndex - 1;
-        updateWorkspaces(selector.value);
-      } else if (e.keyCode === 39) {
-        selector.selectedIndex = selector.selectedIndex + 1;
-        updateWorkspaces(selector.value);
-      } else if (e.keyCode === 32) {
-        pause = !pause;
-      }
-    });
-
-  </script>
-</body>
-
-</html>
\ No newline at end of file
diff --git a/tests/rendering/zelos/pxtblockly/pxtblockly.html b/tests/rendering/zelos/pxtblockly/pxtblockly.html
deleted file mode 100644
index 8ee2e956087..00000000000
--- a/tests/rendering/zelos/pxtblockly/pxtblockly.html
+++ /dev/null
@@ -1,68 +0,0 @@
-<html>
-
-<head>
-  <script type="text/javascript" src="https://unpkg.com/pxt-blockly@2.1.12/blockly_compressed.js"></script>
-  <script type="text/javascript" src="https://unpkg.com/pxt-blockly@2.1.12/blocks_compressed.js"></script>
-  <script type="text/javascript" src="https://unpkg.com/pxt-blockly@2.1.12/msg/messages.js"></script>
-  <script type="text/javascript" src="../../../playgrounds/screenshot.js"></script>
-</head>
-
-<body>
-  <div id="blocklyDiv"></div>
-  <script>
-    Blockly.utils.userAgent.IE = true;
-
-    var blocklyDiv = document.getElementById('blocklyDiv');
-    var workspace;
-    window.addEventListener('message', function (msg) {
-      var data = msg.data;
-      if (data.type !== 'post') {
-        return;
-      }
-      var xml = data.xml;
-      try {
-        if (workspace) {
-          workspace.dispose();
-          blocklyDiv.innerHTML = '';
-        }
-      } catch { }
-
-      workspace = Blockly.inject(blocklyDiv, {
-        move: {
-          scrollbars: true,
-          drag: true,
-          wheel: false,
-        },
-        zoom: {
-          wheel: true,
-          startScale: 2,
-        }
-      });
-
-      Blockly.Xml.domToWorkspace(Blockly.Xml.textToDom(xml), workspace);
-
-      function postChange() {
-        try {
-          var topBlock = workspace.getTopBlocks()[0];
-          workspaceToSvg_(workspace, function (datauri) {
-            window.parent.postMessage({
-              type: 'svg',
-              from: 'pxtblockly',
-              text: datauri
-            }, '*');
-          });
-        } catch { }
-      }
-
-      workspace.addChangeListener(function(e) {
-        if (e.type != 'ui') {
-          postChange();
-        }
-      });
-
-      postChange();
-    });
-  </script>
-</body>
-
-</html>
\ No newline at end of file
diff --git a/tests/rendering/zelos/pxtblockly/zelos.html b/tests/rendering/zelos/pxtblockly/zelos.html
deleted file mode 100644
index 4568ba25ec5..00000000000
--- a/tests/rendering/zelos/pxtblockly/zelos.html
+++ /dev/null
@@ -1,79 +0,0 @@
-<html>
-
-<head>
-  <script type="text/javascript" src="../../../../blockly_uncompressed.js"></script>
-  <script type="text/javascript" src="https://unpkg.com/pxt-blockly@2.1.12/blocks_compressed.js"></script>
-  <script type="text/javascript" src="https://unpkg.com/pxt-blockly@2.1.12/msg/messages.js"></script>
-  <script type="text/javascript" src="../../../playgrounds/screenshot.js"></script>
-</head>
-
-<body>
-  <div id="blocklyDiv"></div>
-  <script>
-    goog.require('Blockly.blockRendering.Debug');
-    goog.require('Blockly.zelos.Renderer');
-    // Blockly.blockRendering.startDebugger();
-
-    var blocklyDiv = document.getElementById('blocklyDiv');
-    var workspace;
-    window.addEventListener('message', function (msg) {
-      var data = msg.data;
-      if (data.type !== 'post') {
-        return;
-      }
-      var xml = data.xml;
-      try {
-        if (workspace) {
-          workspace.dispose();
-          blocklyDiv.innerHTML = '';
-          window.parent.focus();
-        }
-      } catch { }
-
-      workspace = Blockly.inject(blocklyDiv, {
-        renderer: 'zelos',
-        rendererOverrides: {
-          'FIELD_TEXT_FONTFAMILY': '"Helvetica Neue", "Segoe UI", Helvetica, sans-serif',
-          'FIELD_TEXT_FONTWEIGHT': 'bold',
-          'FIELD_TEXT_FONTSIZE': 12
-        },
-        move: {
-          scrollbars: true,
-          drag: true,
-          wheel: false,
-        },
-        zoom: {
-          wheel: true,
-          startScale: 2,
-        }
-      });
-
-      Blockly.Xml.domToWorkspace(Blockly.Xml.textToDom(xml), workspace);
-
-      function postChange() {
-        try {
-          var topBlock = workspace.getTopBlocks()[0];
-          workspaceToSvg_(workspace, function (datauri) {
-            window.parent.postMessage({
-              type: 'svg',
-              from: 'zelos',
-              text: datauri
-            }, '*');
-          });
-        } catch (err) {
-          console.error(err);
-        }
-      }
-
-      workspace.addChangeListener(function(e) {
-        if (e.type != 'ui') {
-          postChange();
-        }
-      });
-
-      postChange();
-    });
-  </script>
-</body>
-
-</html>
\ No newline at end of file
diff --git a/tests/rendering/zelos/scratchblocks/index.html b/tests/rendering/zelos/scratchblocks/index.html
deleted file mode 100644
index 9814d5eaf20..00000000000
--- a/tests/rendering/zelos/scratchblocks/index.html
+++ /dev/null
@@ -1,166 +0,0 @@
-<html>
-
-<head>
-  <script type="text/javascript" src="../../../../blockly_uncompressed.js"></script>
-  <script type="text/javascript"
-    src="https://unpkg.com/scratch-blocks@0.1.0-prerelease.1578322100/blocks_compressed_vertical.js"></script>
-  <style>
-    html,
-    body {
-      margin: 0;
-    }
-
-    #frames {
-      position: absolute;
-      width: 100%;
-      height: calc(100% - 3rem);
-      bottom: 0;
-    }
-
-    #frames .row {
-      position: relative;
-      display: flex;
-      flex-direction: row;
-    }
-
-    #frames .col {
-      flex: 1;
-      width: 100%;
-      height: 100%;
-    }
-
-    #frames .col h2 {
-      text-align: center;
-    }
-
-    #frames iframe {
-      border: 0;
-      margin: 0;
-      padding: 0;
-      width: 100%;
-      height: 300px;
-    }
-
-    .output {
-      max-height: 300px;
-      max-width: 100%;
-    }
-  </style>
-</head>
-
-<body>
-  <select id="selector">
-  </select>
-  <a href="../pxtblockly/">PXT-Blockly</a>
-  <script>
-    var selector = document.getElementById('selector');
-    for (var blockId in Blockly.Blocks) {
-      if (!Object.keys(Blockly.Blocks[blockId]).length) continue;
-      var option = document.createElement('option');
-      option.value = blockId;
-      option.textContent = blockId;
-      selector.appendChild(option);
-    }
-  </script>
-  <div id="frames">
-    <div class="row">
-      <div class="col">
-        <h2>Zelos Rendering</h2>
-      </div>
-      <div class="col">
-        <h2>Scratch-Blocks Rendering</h2>
-      </div>
-    </div>
-    <div class="row">
-      <div class="col">
-        <iframe id="zelos" src="./zelos.html"></iframe>
-      </div>
-      <div class="col">
-        <iframe id="scratchblocks" src="./scratchblocks.html"></iframe>
-      </div>
-    </div>
-    <div class="row">
-      <div class="col">
-        <div id="zelosout">
-          <h2>Zelos Rendering</h2>
-          <img id="zelosoutput" class="output" />
-        </div>
-        <div id="scratchblocksout">
-          <h2>Scratch-Blocks Rendering</h2>
-          <img id="scratchblocksoutput" class="output" />
-        </div>
-      </div>
-    </div>
-  </div>
-
-  <script type="text/javascript">
-    var scratchblocks = document.getElementById('scratchblocks');
-    var zelos = document.getElementById('zelos');
-    var selector = document.getElementById('selector');
-    var hash = document.location.hash;
-    if (hash) {
-      selector.value = hash.substring(1);
-    }
-
-    window.addEventListener('message', function (msg) {
-      var data = msg.data;
-      if (data.type === 'svg') {
-        var output = document.getElementById(data.from + 'output');
-        output.src = data.text;
-      }
-    });
-
-    var current = 'zelos';
-    var pause = false;
-    document.getElementById('scratchblocksout').style.display = 'none';
-    setInterval(function () {
-      if (!pause) {
-        document.getElementById(current + 'out').style.display = 'none';
-        current = current == 'zelos' ? 'scratchblocks' : 'zelos';
-        document.getElementById(current + 'out').style.display = 'block';
-      }
-    }, 1000);
-
-    scratchblocks.addEventListener('load', function () {
-      updateWorkspaces(selector.value);
-    });
-
-    zelos.addEventListener('load', function () {
-      updateWorkspaces(selector.value);
-    });
-
-    selector.addEventListener('change', function (e) {
-      updateWorkspaces(e.target.value);
-    });
-
-    function updateWorkspaces(testCase) {
-      window.location.hash = testCase;
-      var xml = `<xml xmlns="https://developers.google.com/blockly/xml">
-  <block type="${testCase}"></block>
-</xml>`;
-      scratchblocks.contentWindow.postMessage({
-        type: 'post',
-        xml: xml
-      }, '*');
-      zelos.contentWindow.postMessage({
-        type: 'post',
-        xml: xml
-      }, '*');
-    }
-
-    document.addEventListener('keydown', function (e) {
-      if (e.keyCode === 37) {
-        selector.selectedIndex = selector.selectedIndex - 1;
-        updateWorkspaces(selector.value);
-      } else if (e.keyCode === 39) {
-        selector.selectedIndex = selector.selectedIndex + 1;
-        updateWorkspaces(selector.value);
-      } else if (e.keyCode === 32) {
-        pause = !pause;
-      }
-    });
-
-  </script>
-</body>
-
-</html>
\ No newline at end of file
diff --git a/tests/rendering/zelos/scratchblocks/scratchblocks.html b/tests/rendering/zelos/scratchblocks/scratchblocks.html
deleted file mode 100644
index 801123097b1..00000000000
--- a/tests/rendering/zelos/scratchblocks/scratchblocks.html
+++ /dev/null
@@ -1,70 +0,0 @@
-<html>
-
-<head>
-  <script type="text/javascript"
-    src="https://unpkg.com/scratch-blocks@0.1.0-prerelease.1578322100/blockly_compressed_vertical.js"></script>
-  <script type="text/javascript"
-    src="https://unpkg.com/scratch-blocks@0.1.0-prerelease.1578322100/blocks_compressed_vertical.js"></script>
-  <script type="text/javascript"
-    src="https://unpkg.com/scratch-blocks@0.1.0-prerelease.1578322100/msg/messages.js"></script>
-  <script type="text/javascript" src="../../../playgrounds/screenshot.js"></script>
-</head>
-
-<body>
-  <div id="blocklyDiv"></div>
-  <script>
-    var blocklyDiv = document.getElementById('blocklyDiv');
-    var workspace;
-    window.addEventListener('message', function (msg) {
-      var data = msg.data;
-      if (data.type !== 'post') {
-        return;
-      }
-      var xml = data.xml;
-      try {
-        if (workspace) {
-          workspace.dispose();
-          blocklyDiv.innerHTML = '';
-        }
-      } catch { }
-
-      workspace = Blockly.inject(blocklyDiv, {
-        move: {
-          scrollbars: true,
-          drag: true,
-          wheel: false,
-        },
-        zoom: {
-          wheel: true,
-          startScale: 2,
-        },
-        media: 'https://unpkg.com/scratch-blocks@0.1.0-prerelease.1578322100/media/'
-      });
-
-      Blockly.Xml.domToWorkspace(Blockly.Xml.textToDom(xml), workspace);
-
-      function postChange() {
-        try {
-          var topBlock = workspace.getTopBlocks()[0];
-          workspaceToSvg_(workspace, function (datauri) {
-            window.parent.postMessage({
-              type: 'svg',
-              from: 'scratchblocks',
-              text: datauri
-            }, '*');
-          });
-        } catch { }
-      }
-
-      workspace.addChangeListener(function (e) {
-        if (e.type != 'ui') {
-          postChange();
-        }
-      });
-
-      postChange();
-    });
-  </script>
-</body>
-
-</html>
\ No newline at end of file
diff --git a/tests/rendering/zelos/scratchblocks/zelos.html b/tests/rendering/zelos/scratchblocks/zelos.html
deleted file mode 100644
index 877c4f4cb8a..00000000000
--- a/tests/rendering/zelos/scratchblocks/zelos.html
+++ /dev/null
@@ -1,105 +0,0 @@
-<html>
-
-<head>
-  <script type="text/javascript" src="../../../../blockly_uncompressed.js"></script>
-  <script type="text/javascript"
-    src="https://unpkg.com/scratch-blocks@0.1.0-prerelease.1578322100/blocks_compressed_vertical.js"></script>
-  <script type="text/javascript"
-    src="https://unpkg.com/scratch-blocks@0.1.0-prerelease.1578322100/msg/messages.js"></script>
-  <script type="text/javascript" src="../../../playgrounds/screenshot.js"></script>
-  <script>
-
-    Blockly.Block.prototype.setColourFromRawValues_ = function (primary, secondary,
-      tertiary) {
-      primary = typeof primary === 'string' || primary instanceof String ?
-        Blockly.utils.replaceMessageReferences(primary) : primary;
-      secondary = typeof secondary === 'string' || secondary instanceof String ?
-        Blockly.utils.replaceMessageReferences(secondary) : secondary;
-      tertiary = typeof tertiary === 'string' || tertiary instanceof String ?
-        Blockly.utils.replaceMessageReferences(tertiary) : tertiary;
-
-      this.setColour(primary);
-      this.style.colourSecondary = secondary;
-      this.style.colourTertiary = tertiary;
-    };
-
-    Blockly.Block.prototype.setCategory = function (category) {
-      // NOP
-    };
-
-  </script>
-</head>
-
-<body>
-  <div id="blocklyDiv"></div>
-  <script>
-    goog.require('Blockly.blockRendering.Debug');
-    goog.require('Blockly.zelos.Renderer');
-    // Blockly.blockRendering.startDebugger();
-
-    var blocklyDiv = document.getElementById('blocklyDiv');
-    var workspace;
-    window.addEventListener('message', function (msg) {
-      var data = msg.data;
-      if (data.type !== 'post') {
-        return;
-      }
-      var xml = data.xml;
-      try {
-        if (workspace) {
-          workspace.dispose();
-          blocklyDiv.innerHTML = '';
-          window.parent.focus();
-        }
-      } catch { }
-
-      workspace = Blockly.inject(blocklyDiv, {
-        renderer: 'zelos',
-        rendererOverrides: {
-          'FIELD_TEXT_FONTFAMILY': 'Helvetica Neue',
-          'FIELD_TEXT_FONTWEIGHT': '500',
-          'FIELD_TEXT_FONTSIZE': 12,
-          'FIELD_BORDER_RECT_X_PADDING': 2.75 * 4,
-          'ADD_START_HATS': true
-        },
-        move: {
-          scrollbars: true,
-          drag: true,
-          wheel: false,
-        },
-        zoom: {
-          wheel: true,
-          startScale: 2,
-        },
-        media: 'https://unpkg.com/scratch-blocks@0.1.0-prerelease.1578322100/media/'
-      });
-
-      Blockly.Xml.domToWorkspace(Blockly.Xml.textToDom(xml), workspace);
-
-      function postChange() {
-        try {
-          var topBlock = workspace.getTopBlocks()[0];
-          workspaceToSvg_(workspace, function (datauri) {
-            window.parent.postMessage({
-              type: 'svg',
-              from: 'zelos',
-              text: datauri
-            }, '*');
-          });
-        } catch (err) {
-          console.error(err);
-        }
-      }
-
-      workspace.addChangeListener(function (e) {
-        if (e.type != 'ui') {
-          postChange();
-        }
-      });
-
-      postChange();
-    });
-  </script>
-</body>
-
-</html>
\ No newline at end of file
diff --git a/tests/rendering/zelos/zelos.html b/tests/rendering/zelos/zelos.html
deleted file mode 100644
index 13b6f06c5e2..00000000000
--- a/tests/rendering/zelos/zelos.html
+++ /dev/null
@@ -1,79 +0,0 @@
-<html>
-
-<head>
-  <script type="text/javascript" src="../../../blockly_uncompressed.js"></script>
-  <script type="text/javascript" src="https://unpkg.com/pxt-blockly@2.1.12/blocks_compressed.js"></script>
-  <script type="text/javascript" src="https://unpkg.com/pxt-blockly@2.1.12/msg/messages.js"></script>
-  <script type="text/javascript" src="../../playgrounds/screenshot.js"></script>
-</head>
-
-<body>
-  <div id="blocklyDiv"></div>
-  <script>
-    goog.require('Blockly.blockRendering.Debug');
-    goog.require('Blockly.zelos.Renderer');
-    // Blockly.blockRendering.startDebugger();
-
-    var blocklyDiv = document.getElementById('blocklyDiv');
-    var workspace;
-    window.addEventListener('message', function (msg) {
-      var data = msg.data;
-      if (data.type !== 'post') {
-        return;
-      }
-      var xml = data.xml;
-      try {
-        if (workspace) {
-          workspace.dispose();
-          blocklyDiv.innerHTML = '';
-          window.parent.focus();
-        }
-      } catch { }
-
-      workspace = Blockly.inject(blocklyDiv, {
-        renderer: 'zelos',
-        rendererOverrides: {
-          'FIELD_TEXT_FONTFAMILY': '"Helvetica Neue", "Segoe UI", Helvetica, sans-serif',
-          'FIELD_TEXT_FONTWEIGHT': 'bold',
-          'FIELD_TEXT_FONTSIZE': 12
-        },
-        move: {
-          scrollbars: true,
-          drag: true,
-          wheel: false,
-        },
-        zoom: {
-          wheel: true,
-          startScale: 2,
-        }
-      });
-
-      Blockly.Xml.domToWorkspace(Blockly.Xml.textToDom(xml), workspace);
-
-      function postChange() {
-        try {
-          var topBlock = workspace.getTopBlocks()[0];
-          workspaceToSvg_(workspace, function (datauri) {
-            window.parent.postMessage({
-              type: 'svg',
-              from: 'zelos',
-              text: datauri
-            }, '*');
-          });
-        } catch (err) {
-          console.error(err);
-        }
-      }
-
-      workspace.addChangeListener(function(e) {
-        if (e.type != 'ui') {
-          postChange();
-        }
-      });
-
-      postChange();
-    });
-  </script>
-</body>
-
-</html>
\ No newline at end of file
diff --git a/tests/run_all_tests.sh b/tests/run_all_tests.sh
deleted file mode 100755
index b289bdc9770..00000000000
--- a/tests/run_all_tests.sh
+++ /dev/null
@@ -1,89 +0,0 @@
-#!/bin/bash
-
-if [ ! -z $TRAVIS ]; then echo "Executing run_all_tests.sh from $(pwd)"; fi
-
-# ANSI colors
-BOLD_GREEN='\033[1;32m'
-BOLD_RED='\033[1;31m'
-ANSI_RESET='\033[0m'
-
-travis_fold () {
-  local startOrEnd=$1 # Either "start" or "end"
-  local id=$2         # The fold id. No spaces.
-
-  if [ ! -z $TRAVIS ]; then
-    echo "travis_fold:$startOrEnd:$id"
-  fi
-}
-
-# Find the Blockly project root if pwd is the root
-# or if pwd is the directory containing this script.
-if [ -f ./run_all_tests.js ]; then
-  BLOCKLY_ROOT=".."
-elif [ -f tests/run_all_tests.sh ]; then
-  BLOCKLY_ROOT="."
-else
-  echo -e "${BOLD_RED}ERROR: Cannot determine BLOCKLY_ROOT${ANSI_RESET}" 1>&2;
-  exit 1
-fi
-pushd $BLOCKLY_ROOT
-echo "pwd: $(pwd)"
-
-FAILURE_COUNT=0
-
-run_test_command () {
-  local test_id=$1  # The id to use for folds and similar. No spaces.
-  local command=$2  # The command to run.
-
-  echo "======================================="
-  echo "== $test_id"
-  travis_fold start $test_id
-  $command
-  local test_result=$?
-  travis_fold end $test_id
-  if [ $test_result -eq 0 ]; then
-    echo -e "${BOLD_GREEN}SUCCESS:${ANSI_RESET} ${test_id}"
-  else
-    echo -e "${BOLD_RED}FAILED:${ANSI_RESET} ${test_id}"
-    FAILURE_COUNT=$((FAILURE_COUNT+1))
-  fi
-}
-
-# Lint the codebase.
-run_test_command "eslint" "eslint ."
-
-# Run Mocha tests inside a browser.
-run_test_command "mocha" "node tests/mocha/run_mocha_tests_in_browser.js"
-
-# Run Node tests.
-run_test_command "node" "./node_modules/.bin/mocha tests/node --config tests/node/.mocharc.js"
-
-# Run generator tests inside a browser and check the results.
-run_test_command "generators" "tests/scripts/run_generators.sh"
-
-# Run the closure compiler.
-run_test_command "compile" "npm run build"
-
-# Run the closure compiler ensuring there are no compiler warnings / errors.
-run_test_command "compile:warnings" "npm run build:debug"
-
-# Generate TypeScript typings and ensure there are no errors.
-run_test_command "typings" "tests/scripts/compile_typings.sh"
-
-# Check the sizes of built files for unexpected growth.
-run_test_command "metadata" "tests/scripts/check_metadata.sh"
-
-# # Attempt advanced compilation of a Blockly app.
-# run_test_command "advanced_compile" "tests/compile/compile.sh"
-
-
-# End of tests.
-popd
-echo "======================================="
-if [ "$FAILURE_COUNT" -eq "0" ]; then
-  echo -e "${BOLD_GREEN}All tests passed.${ANSI_RESET}"
-  exit 0
-else
-  echo -e "${BOLD_RED}Failures in ${FAILURE_COUNT} test groups.${ANSI_RESET}"
-  exit 1
-fi
diff --git a/tests/scripts/check_metadata.sh b/tests/scripts/check_metadata.sh
index 9cbeab6d0c7..5c4eb5dcc98 100755
--- a/tests/scripts/check_metadata.sh
+++ b/tests/scripts/check_metadata.sh
@@ -1,9 +1,19 @@
 #!/bin/bash
 
 # Checks the size of generated files and verifies they aren't growing
-# unreasonably.
+# unreasonably.  Assumes the compressed files have already been built.
 
-# These values should be updated with each release
+# The ..._EXPECTED values should be updated with each release.
+# Run this script to get the new values.
+
+# Location of the pre-built compressed files.
+#
+# (TODO(#5007): Should fetch this from scripts/gulpfiles/config.js
+# instead of hardcoding it here.
+readonly RELEASE_DIR='dist'
+
+# These values should be updated with each release.  (Note that the
+# historic values are tab-delimited.)
 
 # Size of blockly_compressed.js
 # Q2 2019	2.20190722.0	812688
@@ -11,7 +21,25 @@
 # Q4 2019	3.20200123.0	609855
 # Q1 2020	3.20200402.0	619341
 # Q2 2020	3.20200625.0	621811
-blockly_size_expected=621811
+# Q3 2020	3.20200924.0	641216
+# Q4 2020	4.20201217.0	653624
+# Q1 2021	5.20210325.0	653957
+# Q2 2021	6.20210701.0	664497
+# Q3 2021	6.20210701.0	731695 (mid-quarter goog.module conversion)
+# Q3 2021	6.20210701.0	808807 (late-quarter goog.module conversion)
+# Q4 2021	7.20211209.0-beta.0	920002
+# Q4 2021	7.20211209.0	929665
+# Q2 2022	8.0.0	928056
+# Q3 2022	8.0.0	1040413 (mid-quarter typescript conversion)
+# Q4 2022	8.0.0	870104
+# Q4 2022	9.1.1	903357
+# Q1 2023	9.2.1	909181
+# Q2 2023	9.3.3	887618
+# Q3 2023	10.1.3	898859
+# Q4 2023	10.2.2	903535
+# Q1 2024	10.3.1	914366
+# Q2 2024	11.0.0	905365
+readonly BLOCKLY_SIZE_EXPECTED=905365
 
 # Size of blocks_compressed.js
 # Q2 2019	2.20190722.0	75618
@@ -19,7 +47,24 @@ blockly_size_expected=621811
 # Q4 2019	3.20200123.0	75629
 # Q1 2020	3.20200402.0	75805
 # Q2 2020	3.20200625.0	76360
-blocks_size_expected=76360
+# Q3 2020	3.20200924.0	76429
+# Q4 2020	4.20201217.0	76693
+# Q1 2021	5.20210325.0	76693
+# Q2 2021	6.20210701.0	76669
+# Q3 2021	6.20210701.0	76669
+# Q4 2021	7.20211209.0-beta.0	82054
+# Q4 2021	7.20211209.0	86966
+# Q2 2022	8.0.0	90769
+# Q3 2022	8.0.0	102176 (mid-quarter typescript conversion)
+# Q4 2022	8.0.0	102213
+# Q4 2022	9.1.1	102190
+# Q1 2023	9.2.1	101114
+# Q2 2023	9.3.3	91848
+# Q3 2023	10.1.3	90150
+# Q4 2023	10.2.2	90269
+# Q1 2024	10.3.1	90269
+# Q2 2024	11.0.0	88376
+readonly BLOCKS_SIZE_EXPECTED=88376
 
 # Size of blockly_compressed.js.gz
 # Q2 2019	2.20190722.0	180925
@@ -27,7 +72,25 @@ blocks_size_expected=76360
 # Q4 2019	3.20200123.0	131897
 # Q1 2020	3.20200402.0	134133
 # Q2 2020	3.20200625.0	135181
-blockly_gz_size_expected=135181
+# Q3 2020	3.20200924.0	138003
+# Q4 2020	4.20201217.0	138115
+# Q1 2021	5.20210325.0	136118
+# Q2 2021	6.20210701.0	142112
+# Q3 2021	6.20210701.0	147476 (mid-quarter goog.module conversion)
+# Q3 2021	6.20210701.0	152025 (late-quarter goog.module conversion)
+# Q4 2021	7.20211209.0-beta.0	169863
+# Q4 2021	7.20211209.0	171759
+# Q2 2022	8.0.0	173997
+# Q3 2022	8.0.0	185766 (mid-quarter typescript conversion)
+# Q4 2022	8.0.0	175140
+# Q4 2022	9.1.1	179306
+# Q1 2023	9.2.1	179814
+# Q2 2023	9.3.3	175206
+# Q3 2023	10.1.3	180553
+# Q4 2023	10.2.2	181474
+# Q1 2024	10.3.1	184237
+# Q2 2024	11.0.0	182249
+readonly BLOCKLY_GZ_SIZE_EXPECTED=182249
 
 # Size of blocks_compressed.js.gz
 # Q2 2019	2.20190722.0	14552
@@ -35,47 +98,69 @@ blockly_gz_size_expected=135181
 # Q4 2019	3.20200123.0	14897
 # Q1 2020	3.20200402.0	14966
 # Q2 2020	3.20200625.0	15195
-blocks_gz_size_expected=15195
+# Q3 2020	3.20200924.0	15231
+# Q4 2020	4.20201217.0	15224
+# Q1 2021	5.20210325.0	15285
+# Q2 2021	6.20210701.0	15275
+# Q3 2021	6.20210701.0	15284
+# Q4 2021	7.20211209.0-beta.0	16616
+# Q4 2021	7.20211209.0	15760
+# Q2 2022	8.0.0	16192
+# Q3 2022	8.0.0	17016 (mid-quarter typescript conversion)
+# Q4 2022	8.0.0	17188
+# Q4 2022	9.1.1	17182
+# Q1 2023	9.2.1	17262
+# Q2 2023	9.3.3	16736
+# Q3 2023	10.1.3	16508
+# Q4 2023	10.2.2	16442
+# Q1 2024	10.3.1	16533
+# Q2 2024	11.0.0	15815
+readonly BLOCKS_GZ_SIZE_EXPECTED=15815
 
 # ANSI colors
-BOLD_GREEN='\033[1;32m'
-BOLD_RED='\033[1;31m'
-ANSI_RESET='\033[0m'
-
-# Build the compressed files for core and blocks
-echo "Building files"
-npm install
-gulp buildCompressed
-gulp buildBlocks
+readonly BOLD_GREEN='\033[1;32m'
+readonly BOLD_RED='\033[1;31m'
+readonly ANSI_RESET='\033[0m'
+
+# Terminate immediately with non-zero status if any command exits
+# with non-zero status, printing a nice message.
+set -e
+function fail {
+  echo -e "${BOLD_RED}Error while checking metadata.${ANSI_RESET}" >&2
+}
+trap fail ERR
 
-# GZip them for additional size comparisons
+# GZip them for additional size comparisons (keep originals, force
+# overwite previously-gzipped copies).
 echo "Zipping the compressed files"
-gzip -c blockly_compressed.js > blockly_compressed.js.gz
-gzip -c blocks_compressed.js > blocks_compressed.js.gz
+gzip -kf "${RELEASE_DIR}/blockly_compressed.js"
+gzip -kf "${RELEASE_DIR}/blocks_compressed.js"
 
 # Check the sizes of the files
 
 has_failed=0
 
 compare_size() {
-	local name=$1
-	local expected=$2
-	local compare=$(echo "$expected * 1.1 / 1" | bc)
-
-	local size=$(wc -c <"$name")
-
-	if (( $size > $compare))
-	then
-		echo -e "${BOLD_RED}Failed: Size of $name has grown more than 10%. $size vs $expected ${ANSI_RESET}" >&2
-  		has_failed=1
-  	else
-  		echo -e "${BOLD_GREEN}Size of $name at $size compared to previous $expected.${ANSI_RESET}"
-  	fi
+  local name="$1"
+  local expected="$2"
+  local compare=$(echo "${expected} * 1.1 / 1" | bc)
+
+  local size=$(wc -c <"${name}")
+
+  if (( $size > $compare))
+  then
+    echo -ne "${BOLD_RED}Failed: Size of ${name} has grown more than 10%. " >&2
+    echo -e "${size} vs ${expected} ${ANSI_RESET}" >&2
+    has_failed=1
+  else
+    echo -ne "${BOLD_GREEN}Size of ${name} at ${size} compared to previous " >&2
+    echo -e "${expected}.${ANSI_RESET}"
+  fi
 }
 
-compare_size "blockly_compressed.js" $blockly_size_expected
-compare_size "blocks_compressed.js" $blocks_size_expected
-compare_size "blockly_compressed.js.gz" $blockly_gz_size_expected
-compare_size "blocks_compressed.js.gz" $blocks_gz_size_expected
+compare_size "${RELEASE_DIR}/blockly_compressed.js" $BLOCKLY_SIZE_EXPECTED
+compare_size "${RELEASE_DIR}/blocks_compressed.js" $BLOCKS_SIZE_EXPECTED
+compare_size "${RELEASE_DIR}/blockly_compressed.js.gz" $BLOCKLY_GZ_SIZE_EXPECTED
+compare_size "${RELEASE_DIR}/blocks_compressed.js.gz" $BLOCKS_GZ_SIZE_EXPECTED
 
 exit $has_failed
diff --git a/tests/scripts/compile_typings.sh b/tests/scripts/compile_typings.sh
index ee16beb5629..35e9d56dc53 100755
--- a/tests/scripts/compile_typings.sh
+++ b/tests/scripts/compile_typings.sh
@@ -1,13 +1,23 @@
 #!/bin/bash
 
+# Location that npm run typings will write .d.ts files to.
+#
+# (TODO(#5007): Should fetch this from scripts/gulpfiles/config.js
+# instead of hardcoding it here.
+readonly BUILD_DIR='build'
+
 # ANSI colors
 BOLD_GREEN='\033[1;32m'
 BOLD_RED='\033[1;31m'
 ANSI_RESET='\033[0m'
 
-# Download TypeScript to obtain the compiler.
-echo "Downloading TypeScript"
-npm install typescript
+# Terminate immediately with non-zero status if any command exits
+# with non-zero status, printing a nice message.
+set -e
+function fail {
+  echo -e "${BOLD_RED}Failed to compile TypeScript typings.${ANSI_RESET}" >&2
+}
+trap fail ERR
 
 # Generate Blockly typings.
 echo "Generating Blockly typings"
@@ -15,15 +25,8 @@ npm run typings
 
 # Use the TypeScript compiler to compile the generated typings.
 echo "Compiling typings"
-cd typings
-../node_modules/.bin/tsc blockly.d.ts
 
+cd "${BUILD_DIR}"
+../node_modules/.bin/tsc blockly.d.ts
 
-if [ $? -eq 0 ]
-then
-  echo -e "${BOLD_GREEN}TypeScript typings compiled successfully.${ANSI_RESET}"
-  exit 0
-else
-  echo -e "${BOLD_RED}Failed to compile TypeScript typings.${ANSI_RESET}" >&2
-  exit 1
-fi
+echo -e "${BOLD_GREEN}TypeScript typings compiled successfully.${ANSI_RESET}"
diff --git a/tests/scripts/load.mjs b/tests/scripts/load.mjs
new file mode 100644
index 00000000000..f2238cf1c28
--- /dev/null
+++ b/tests/scripts/load.mjs
@@ -0,0 +1,140 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @fileoverview Helper functions for loading Blockly in tests.
+ *
+ * Used by playgrounds and test harnesses, both directly and via the
+ * shims generated by the buildShims function in
+ * scripts/gulpfiles/build_tasks.js.
+ *
+ */
+
+if (typeof window !== 'object') {
+  // Not running in a browser.  Maybe we wish to support this?
+  // blockly_uncompressed formerly supported node.js, though it
+  // appears that the code had not been working for some time (at
+  // least since PR #5718 back in December 2021.  For now just throw
+  // an error.
+  throw new Error('Bootstrapping without window is not supported.');
+}
+
+/**
+ * URL of the blockly repository.  This is needed for a few reasons:
+ *
+ * - We need an absolute path instead of relative path because the
+ *   advanced_playground and the regular playground are in
+ *   different folders.
+ * - We need to get the root directory for blockly because it is
+ *   different for github.io, appspot and local.
+ *
+ * The formulation given here will work so long as top-level page is loaded from
+ * somewhere in tests/.
+ */
+export const ROOT = window.location.href.replace(/\/tests\/.*$/, '/');
+
+/**
+ * Decide whether to use compressed mode or not.
+ *
+ * Honours a "?compressed=" query parameter if present; otherwise uses
+ * uncompressed for when loading from local machine and compressed
+ * otherwise.  See issue #5557 for additional background.
+ *
+ * @return {boolean} True if should load in compressed mode.
+ */
+function compressed() {
+  const param = location.search.match(/compressed=([^&]+)/)?.[1];
+  if (param) {
+    if (['y', 'yes', 'true', '1'].includes(param)) return true;
+    if (['n', 'no', 'false', '0'].includes(param)) return false;
+    console.error(`Unrecognised compressed parameter "${param}"`);
+  }
+
+  const LOCALHOSTS = ['localhost', '127.0.0.1', '[::1]'];
+  const isLocalhost = LOCALHOSTS.includes(location.hostname);
+  const isFileUrl = location.origin === 'file://';
+  return !(isLocalhost || isFileUrl);
+}
+
+/** @type {boolean} Load in compressed mode. */
+export const COMPRESSED = compressed();
+
+/**
+ * Load a chunk, either by importing its ESM entrypoint or loading the
+ * compressed chunk script.
+ *
+ * When loading in uncompressed mode, if scriptExports is a simple
+ * variable name (e.g. 'Blockly') then globalThis[scriptExports] will
+ * be set to the chunk's Module object.  This attempts to provide
+ * backward compatibility with loading the compressed chunk as a
+ * script, where this is done by the compressed chunk's UMD wrapper.
+ * The compatibility is not complete, however: since Module objects
+ * are immutable, it is not possible to set (e.g.)
+ * Blockly.libraryBlocks.
+ *
+ * The intention is to allow the chunk to be accessed either via
+ * the returned Module / exports object (preferred) or via the global
+ * scope (needed by dev-tools) regardless of whether it was loaded
+ * compressed or uncompressed.
+ *
+ * Paths should be relative to the repository root.
+ *
+ * @param {string} modulePath Path to the chunk's ESM entry point.
+ * @param {string} scriptPath Path to the chunk's _compressed.js file.
+ * @param {string} scriptExports The global variable name (or
+ *     dotted-identifier path relative from a global variable) in
+ *     which the compressed chunk's UMD wrapper will save the module's
+ *     exports object.  Should be the same as the correspodning
+ *     chunks[].scriptExport property in
+ *     scripts/gulpfiles/build_tasks.js.
+ * @return {Module} The module's Module or exports object.
+ */
+export async function loadChunk(modulePath, scriptPath, scriptExports) {
+  if (COMPRESSED) {
+    await loadScript(`${ROOT}${scriptPath}`);
+    return get(scriptExports);
+  } else {
+    const exports = await import(`../../${modulePath}`);
+    if (!scriptExports.includes('.')) globalThis[scriptExports] = exports;
+    return exports;
+  }
+}
+
+/**
+ * Load a given URL using a <script> tag.
+ *
+ * Unlike document.write('<script src=...>'), this is safe to use even
+ * after page loading is complete.
+ *
+ * @param {string} src The src attribute for the <script> tag.
+ * @return {Promise} A promise that resolves (or rejects) once the
+ *     script is loaded.
+ */
+export function loadScript(src) {
+  return new Promise((resolve, reject) => {
+    const script = document.createElement('script');
+    script.src = src;
+    script.onload = resolve;
+    script.onerror = reject;
+    document.getElementsByTagName('head')[0].appendChild(script);
+  });
+}
+
+/**
+ * Get the value referred to by a dotted-identifier path
+ * (e.g. foo.bar.baz).  Throws TypeError if path is is not valid,
+ * i.e., if any component but the last does not exist).
+ *
+ * @param {string} path The path referring to the desired value.
+ * @return {string|null} The value referred to.
+ */
+function get(path) {
+  let obj = globalThis;
+  for (const part of path.split('.')) {
+    obj = obj[part];
+  }
+  return obj;
+}
diff --git a/tests/scripts/run_generators.sh b/tests/scripts/run_generators.sh
deleted file mode 100755
index 9d556acad82..00000000000
--- a/tests/scripts/run_generators.sh
+++ /dev/null
@@ -1,57 +0,0 @@
-#!/bin/bash
-
-# ANSI colors
-BOLD_GREEN='\033[1;32m'
-BOLD_RED='\033[1;31m'
-ANSI_RESET='\033[0m'
-SUCCESS_PREFIX="${BOLD_GREEN}SUCCESS:${ANSI_RESET}"
-FAILURE_PREFIX="${BOLD_RED}FAILED:${ANSI_RESET}"
-
-TMP_DIR="tests/generators/tmp/"
-GOLDEN_DIR="tests/generators/golden/"
-
-FAILURE_COUNT=0
-check_result() {
-  local suffix=$1 # One of: js, py, dart, lua, php
-  local tmp_filename="${TMP_DIR}generated.$suffix"
-
-  if [ -f $tmp_filename ]; then
-    local golden_filename="${GOLDEN_DIR}generated.$suffix"
-    if [ -f $golden_filename ]; then
-      if cmp --silent $tmp_filename $golden_filename; then
-        echo -e "$SUCCESS_PREFIX $suffix: $tmp_filename matches $golden_filename"
-      else
-        echo -e "$FAILURE_PREFIX $suffix: $tmp_filename does not match $golden_filename"
-        FAILURE_COUNT=$((FAILURE_COUNT+1))
-      fi
-    else
-      echo "File $golden_filename not found!"
-      FAILURE_COUNT=$((FAILURE_COUNT+1))
-    fi
-  else
-    echo "File $tmp_filename not found!"
-    FAILURE_COUNT=$((FAILURE_COUNT+1))
-  fi
-}
-
-
-mkdir $TMP_DIR
-
-node tests/generators/run_generators_in_browser.js
-generator_suffixes=( "js" "py" "dart" "lua" "php" )
-for i in "${generator_suffixes[@]}"
-do
-   check_result "$i"
-done
-
-
-# Clean up.
-rm -r $TMP_DIR
-
-if [ "$FAILURE_COUNT" -eq "0" ]; then
-  echo -e "${BOLD_GREEN}All generator tests passed.${ANSI_RESET}"
-  exit 0
-else
-  echo -e "${BOLD_RED}Failures in ${FAILURE_COUNT} generator tests.${ANSI_RESET}"
-  exit 1
-fi
diff --git a/tests/scripts/selenium-config.js b/tests/scripts/selenium-config.js
deleted file mode 100644
index 13a0583f6d0..00000000000
--- a/tests/scripts/selenium-config.js
+++ /dev/null
@@ -1,27 +0,0 @@
-/* eslint-disable */
-
-module.exports = {
-  // check for more recent versions of selenium here:
-  // https://selenium-release.storage.googleapis.com/index.html
-  version: '3.9.1',
-  baseURL: 'https://selenium-release.storage.googleapis.com',
-  drivers: {
-    chrome: {
-      // check for more recent versions of chrome driver here:
-      // https://chromedriver.storage.googleapis.com/index.html
-      version: '85.0.4183.83',
-      arch: process.arch,
-      baseURL: 'https://chromedriver.storage.googleapis.com'
-    },
-    firefox: {
-      // check for more recent versions of chrome driver here:
-      // https://chromedriver.storage.googleapis.com/index.html
-      version: '0.21.0',
-      arch: process.arch,
-      baseURL: 'https://github.com/mozilla/geckodriver/releases/download'
-    },
-  },
-  requestOpts: { // see https://github.com/request/request#requestoptions-callback
-    timeout: 10000
-  },
-};
diff --git a/tests/scripts/setup_linux_env.sh b/tests/scripts/setup_linux_env.sh
index 6e21e87e347..a27c53c77f2 100755
--- a/tests/scripts/setup_linux_env.sh
+++ b/tests/scripts/setup_linux_env.sh
@@ -1,8 +1,7 @@
 #!/bin/bash
 
-if [ "${TRAVIS_OS_NAME}" == "linux" ]
+if [ "${RUNNER_OS}" == "Linux" ]
   then
-    export CHROME_BIN="/usr/bin/google-chrome"
-    sh -e /etc/init.d/xvfb start &
-    npm run test:prepare > /dev/null &
+    Xvfb :99 &
+    export DISPLAY=:99 &
 fi
diff --git a/tests/scripts/setup_osx_env.sh b/tests/scripts/setup_osx_env.sh
deleted file mode 100755
index 5a7092269ff..00000000000
--- a/tests/scripts/setup_osx_env.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/bash
-  
-if [ "${TRAVIS_OS_NAME}" == "osx" ]
-  then
-    brew cask install google-chrome 
-    sudo Xvfb :99 -ac -screen 0 1024x768x8 &
-    export CHROME_BIN="/Applications/Google Chrome.app"
-    npm run test:prepare > /dev/null &
-fi
diff --git a/tests/scripts/update_metadata.sh b/tests/scripts/update_metadata.sh
new file mode 100755
index 00000000000..e923b664ff6
--- /dev/null
+++ b/tests/scripts/update_metadata.sh
@@ -0,0 +1,46 @@
+#!/bin/bash
+
+# Determines the size of generated files and updates check_metadata.sh to
+# reflect the new values.
+
+# Location of the pre-built compressed files.
+#
+# (TODO(#5007): Should fetch this from scripts/gulpfiles/config.js
+# instead of hardcoding it here.
+readonly RELEASE_DIR='dist'
+
+gzip -k "${RELEASE_DIR}/blockly_compressed.js"
+gzip -k "${RELEASE_DIR}/blocks_compressed.js"
+
+# wc prefixes the file size with whitespace; xargs strips that and the -n flag to
+# echo removes the newline.
+blockly_size=$(wc -c < "${RELEASE_DIR}/blockly_compressed.js" | xargs echo -n)
+blocks_size=$(wc -c < "${RELEASE_DIR}/blocks_compressed.js" | xargs echo -n)
+blockly_gz_size=$(wc -c < "${RELEASE_DIR}/blockly_compressed.js.gz" | xargs echo -n)
+blocks_gz_size=$(wc -c < "${RELEASE_DIR}/blocks_compressed.js.gz" |  xargs echo -n)
+quarters=(1 1 1 2 2 2 3 3 3 4 4 4)
+month=$(date +%-m)
+quarter=$(echo Q${quarters[$month - 1]} $(date +%Y))
+version=$(npx -c 'echo "$npm_package_version"')
+
+replacement="# ${quarter}\t${version}\t${blockly_size}\n"
+replacement+="readonly BLOCKLY_SIZE_EXPECTED=${blockly_size}"
+sed -ri.bak "s/readonly BLOCKLY_SIZE_EXPECTED=[0-9]+/${replacement}/g" \
+  tests/scripts/check_metadata.sh
+
+replacement="# ${quarter}\t${version}\t${blocks_size}\n"
+replacement+="readonly BLOCKS_SIZE_EXPECTED=${blocks_size}"
+sed -ri.bak "s/readonly BLOCKS_SIZE_EXPECTED=[0-9]+/${replacement}/g" \
+  tests/scripts/check_metadata.sh
+
+replacement="# ${quarter}\t${version}\t${blockly_gz_size}\n"
+replacement+="readonly BLOCKLY_GZ_SIZE_EXPECTED=${blockly_gz_size}"
+sed -ri.bak "s/readonly BLOCKLY_GZ_SIZE_EXPECTED=[0-9]+/${replacement}/g" \
+  tests/scripts/check_metadata.sh
+
+replacement="# ${quarter}\t${version}\t${blocks_gz_size}\n"
+replacement+="readonly BLOCKS_GZ_SIZE_EXPECTED=${blocks_gz_size}"
+sed -ri.bak "s/readonly BLOCKS_GZ_SIZE_EXPECTED=[0-9]+/${replacement}/g" \
+  tests/scripts/check_metadata.sh
+
+rm tests/scripts/check_metadata.sh.bak
diff --git a/tests/themes/test_themes.js b/tests/themes/test_themes.js
index 30792ae9e4c..ad42d50af99 100644
--- a/tests/themes/test_themes.js
+++ b/tests/themes/test_themes.js
@@ -5,24 +5,22 @@
  */
 'use strict';
 
-goog.provide('Blockly.TestThemes');
-
 
 /**
  * A theme with classic colours but enables start hats.
  */
-Blockly.Themes.TestHats = Blockly.Theme.defineTheme('testhats', {
+const TestHatsTheme = Blockly.Theme.defineTheme('testhats', {
   'base': Blockly.Themes.Classic
 });
-Blockly.Themes.TestHats.setStartHats(true);
+TestHatsTheme.setStartHats(true);
 
 /**
  * A theme with classic colours but a different font.
  */
-Blockly.Themes.TestFont = Blockly.Theme.defineTheme('testfont', {
+const TestFontTheme = Blockly.Theme.defineTheme('testfont', {
   'base': Blockly.Themes.Classic
 });
-Blockly.Themes.TestFont.setFontStyle({
+TestFontTheme.setFontStyle({
   'family': '"Times New Roman", Times, serif',
   'weight': null, // Use default font-weight
   'size': 16
@@ -33,9 +31,9 @@ Blockly.Themes.TestFont.setFontStyle({
  * @type {!Object<string, Blockly.Theme>}
  * @private
  */
-Blockly.Themes.testThemes_ = {
-  'Test Hats': Blockly.Themes.TestHats,
-  'Test Font': Blockly.Themes.TestFont
+const testThemes_ = {
+  'Test Hats': TestHatsTheme,
+  'Test Font': TestFontTheme
 };
 
 /**
@@ -45,7 +43,7 @@ Blockly.Themes.testThemes_ = {
  * @package
  */
 function getTestTheme(value) {
-  return Blockly.Themes.testThemes_[value];
+  return testThemes_[value];
 }
 
 /**
@@ -54,7 +52,7 @@ function getTestTheme(value) {
  */
 function populateTestThemes() {
   var themeChanger = document.getElementById('themeChanger');
-  var keys = Object.keys(Blockly.Themes.testThemes_);
+  var keys = Object.keys(testThemes_);
   for (var i = 0, key; (key = keys[i]); i++) {
     var option = document.createElement('option');
     option.setAttribute('value', key);
diff --git a/tests/typescript/README.md b/tests/typescript/README.md
new file mode 100644
index 00000000000..f5c28e3abe3
--- /dev/null
+++ b/tests/typescript/README.md
@@ -0,0 +1,4 @@
+# TypeScript Tests
+
+Tests pass if all files here compile. Add Blockly use case examples we'd like
+to support, such as subclasses which extend from Blockly classes.
diff --git a/tests/typescript/src/field/different_user_input.ts b/tests/typescript/src/field/different_user_input.ts
new file mode 100644
index 00000000000..f91f25bbc86
--- /dev/null
+++ b/tests/typescript/src/field/different_user_input.ts
@@ -0,0 +1,81 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Test: Should allow a subclass of Field to have different setValue and
+ * constructor input type than the type that is stored.
+ */
+
+import {Field, FieldValidator, fieldRegistry} from 'blockly-test/core';
+
+interface Cell {
+  cellId: string;
+}
+
+interface CellGroup {
+  cells: Cell[];
+}
+
+type FieldMitosisValidator = FieldValidator<CellGroup>;
+
+class FieldMitosis extends Field<CellGroup> {
+  constructor(cell: Cell, validator: FieldMitosisValidator) {
+    super(Field.SKIP_SETUP);
+
+    this.setValue(cell);
+    this.setValidator(validator);
+  }
+
+  // Overwritten Field methods.
+
+  protected doClassValidation_(newCell?: unknown): CellGroup | null {
+    if (!this.isCell(newCell)) return null;
+
+    const cellGroup = this.getValue() ?? {cells: []};
+    cellGroup.cells.push(newCell);
+    return cellGroup;
+  }
+
+  // Example-specific methods.
+
+  private isCell(maybeCell: unknown): maybeCell is Cell {
+    if (!maybeCell) return false;
+    const couldBeCell = maybeCell as {[key: string]: unknown};
+    return 'cellId' in couldBeCell && typeof couldBeCell.cellId === 'string';
+  }
+
+  /**
+   * The cell divides, creating two new cells!
+   */
+  doMitosis(): void {
+    const cellGroup = this.getValue();
+    if (!cellGroup) return;
+
+    const cells = cellGroup.cells.flatMap((cell) => {
+      const leftCell: Cell = {cellId: `${cell.cellId}-left`};
+      const rightCell: Cell = {cellId: `${cell.cellId}-right`};
+      return [leftCell, rightCell];
+    });
+    this.value_ = {cells};
+  }
+}
+
+fieldRegistry.register('field_mitosis', FieldMitosis);
+
+// Example use of the class.
+
+function cellValidator(cellGroup: CellGroup): CellGroup | undefined {
+  // The cell group is good! Use it as is.
+  if (cellGroup.cells.length > 0) return undefined;
+
+  // Uh oh! No cells.
+  const emergencyCell: Cell = {cellId: 'emergency-cell'};
+  return {cells: [emergencyCell]};
+}
+
+const cellField = new FieldMitosis({cellId: 'cell-A'}, cellValidator);
+cellField.setValue({cellId: 'cell-B'});
+cellField.doMitosis();
diff --git a/tests/typescript/src/generators.ts b/tests/typescript/src/generators.ts
new file mode 100644
index 00000000000..fd79a3a00f6
--- /dev/null
+++ b/tests/typescript/src/generators.ts
@@ -0,0 +1,31 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as Blockly from 'blockly-test/core';
+import {JavascriptGenerator} from 'blockly-test/javascript';
+import {PhpGenerator, phpGenerator, Order} from 'blockly-test/php';
+import {LuaGenerator} from 'blockly-test/lua';
+import {PythonGenerator} from 'blockly-test/python';
+import {DartGenerator} from 'blockly-test/dart';
+
+JavascriptGenerator;
+PhpGenerator;
+LuaGenerator;
+PythonGenerator;
+DartGenerator;
+
+class TestGenerator extends PhpGenerator {}
+
+const testGenerator = new TestGenerator();
+
+testGenerator.forBlock['test_block'] = function (
+  _block: Blockly.Block,
+  _generator: TestGenerator,
+) {
+  return ['a fake code string', Order.ADDITION];
+};
+
+phpGenerator.quote_('a string');
diff --git a/tests/typescript/src/generators/dart.ts b/tests/typescript/src/generators/dart.ts
new file mode 100644
index 00000000000..ae285e5e82b
--- /dev/null
+++ b/tests/typescript/src/generators/dart.ts
@@ -0,0 +1,24 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as Blockly from 'blockly-test/core';
+
+/**
+ * Test: should be able to import a generator instance, class, and
+ * Order enum.
+ */
+import {dartGenerator, DartGenerator, Order} from 'blockly-test/dart';
+
+/**
+ * Test: should be able to create a simple block generator function,
+ * correctly typed, and insert it into the .forBlock dictionary.
+ */
+dartGenerator.forBlock['the_answer'] = function (
+  _block: Blockly.Block,
+  _generator: DartGenerator,
+): [string, Order] {
+  return ['42', Order.ATOMIC];
+};
diff --git a/tests/typescript/src/generators/javascript.ts b/tests/typescript/src/generators/javascript.ts
new file mode 100644
index 00000000000..716c91459c4
--- /dev/null
+++ b/tests/typescript/src/generators/javascript.ts
@@ -0,0 +1,28 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as Blockly from 'blockly-test/core';
+
+/**
+ * Test: should be able to import a generator instance, class, and
+ * Order enum.
+ */
+import {
+  javascriptGenerator,
+  JavascriptGenerator,
+  Order,
+} from 'blockly-test/javascript';
+
+/**
+ * Test: should be able to create a simple block generator function,
+ * correctly typed, and insert it into the .forBlock dictionary.
+ */
+javascriptGenerator.forBlock['the_answer'] = function (
+  _block: Blockly.Block,
+  _generator: JavascriptGenerator,
+): [string, Order] {
+  return ['42', Order.ATOMIC];
+};
diff --git a/tests/typescript/src/generators/lua.ts b/tests/typescript/src/generators/lua.ts
new file mode 100644
index 00000000000..b030ff7a7fc
--- /dev/null
+++ b/tests/typescript/src/generators/lua.ts
@@ -0,0 +1,24 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as Blockly from 'blockly-test/core';
+
+/**
+ * Test: should be able to import a generator instance, class, and
+ * Order enum.
+ */
+import {luaGenerator, LuaGenerator, Order} from 'blockly-test/lua';
+
+/**
+ * Test: should be able to create a simple block generator function,
+ * correctly typed, and insert it into the .forBlock dictionary.
+ */
+luaGenerator.forBlock['the_answer'] = function (
+  _block: Blockly.Block,
+  _generator: LuaGenerator,
+): [string, Order] {
+  return ['42', Order.ATOMIC];
+};
diff --git a/tests/typescript/src/generators/php.ts b/tests/typescript/src/generators/php.ts
new file mode 100644
index 00000000000..cb9241b4374
--- /dev/null
+++ b/tests/typescript/src/generators/php.ts
@@ -0,0 +1,24 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as Blockly from 'blockly-test/core';
+
+/**
+ * Test: should be able to import a generator instance, class, and
+ * Order enum.
+ */
+import {phpGenerator, PhpGenerator, Order} from 'blockly-test/php';
+
+/**
+ * Test: should be able to create a simple block generator function,
+ * correctly typed, and insert it into the .forBlock dictionary.
+ */
+phpGenerator.forBlock['the_answer'] = function (
+  _block: Blockly.Block,
+  _generator: PhpGenerator,
+): [string, Order] {
+  return ['42', Order.ATOMIC];
+};
diff --git a/tests/typescript/src/generators/python.ts b/tests/typescript/src/generators/python.ts
new file mode 100644
index 00000000000..aa1c19c38d6
--- /dev/null
+++ b/tests/typescript/src/generators/python.ts
@@ -0,0 +1,24 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import * as Blockly from 'blockly-test/core';
+
+/**
+ * Test: should be able to import a generator instance, class, and
+ * Order enum.
+ */
+import {pythonGenerator, PythonGenerator, Order} from 'blockly-test/python';
+
+/**
+ * Test: should be able to create a simple block generator function,
+ * correctly typed, and insert it into the .forBlock dictionary.
+ */
+pythonGenerator.forBlock['the_answer'] = function (
+  _block: Blockly.Block,
+  _generator: PythonGenerator,
+): [string, Order] {
+  return ['42', Order.ATOMIC];
+};
diff --git a/tests/typescript/src/msg.ts b/tests/typescript/src/msg.ts
new file mode 100644
index 00000000000..beb63a612a9
--- /dev/null
+++ b/tests/typescript/src/msg.ts
@@ -0,0 +1,20 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * Test: Should be able to import messages and verify their type.
+ * Test at least one language other than English!
+ */
+
+import * as en from 'blockly-test/msg/en';
+import * as fr from 'blockly-test/msg/fr';
+
+let msg: {[key: string]: string};
+msg = fr;
+msg = en;
+
+// Satisfy eslint that msg is used.
+console.log(msg['DIALOG_OK']);
diff --git a/tests/typescript/tsconfig.json b/tests/typescript/tsconfig.json
new file mode 100644
index 00000000000..1f8bc02b945
--- /dev/null
+++ b/tests/typescript/tsconfig.json
@@ -0,0 +1,20 @@
+{
+  "include": ["src/**/*"],
+  "compilerOptions": {
+    "allowJs": false,
+    "outDir": "dist",
+    "baseUrl": ".",
+    "paths": {
+      "blockly-test/*": ["../../dist/*"]
+    },
+
+    "declaration": false,
+    "declarationMap": false,
+    "sourceMap": false,
+
+    "module": "ES2015",
+    "moduleResolution": "node",
+    "target": "ES2020",
+    "strict": true
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 00000000000..ed091b05b40
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,42 @@
+{
+  "include": [
+    "core/**/*", // N.B.: also pulls in closure/goog/goog.js if needed.
+    "closure/goog/*", // For base.js and base_minimal.js.
+    "blocks/**/*",
+    "generators/**/*"
+  ],
+  "compilerOptions": {
+    // Tells TypeScript to read JS files, as
+    // normally they are ignored as source files
+    "allowJs": true,
+
+    // Generate d.ts files and sourcemaps.
+    "declaration": true,
+    // Generate declaration maps used for api-extractor
+    "declarationMap": true,
+    "sourceMap": true,
+
+    "module": "ES2015",
+    "moduleResolution": "node",
+    "target": "ES2020",
+    "strict": true,
+
+    // This does not understand enums only used to define other enums, so we
+    // cannot leave it enabled.
+    // See: https://github.com/microsoft/TypeScript/issues/49974
+    // "importsNotUsedAsValues": "error"
+
+    // tsc has a clever and usually helpful feature ("@types support")
+    // wherein it automatically ingests any type definitions found in
+    // node_modues/@types/**/*.d.ts.  This lets you tell it about the
+    // types for your favourite framework or library just by
+    // installing the relevant @types/<whatever> npm package.
+    //
+    // We don't (as of this writing) use this feature, and it causes a
+    // problem when one of our dependencies pulls in such a package
+    // which turns out to have syntax errors (see e.g. discussion on
+    // PR #6564: https://github.com/google/blockly/pull/6564), so
+    // disable it except for the explicitly-specified types.
+    "types": []
+  }
+}
diff --git a/tsdoc.json b/tsdoc.json
new file mode 100644
index 00000000000..51900e7c369
--- /dev/null
+++ b/tsdoc.json
@@ -0,0 +1,35 @@
+{
+  "$schema": "https://developer.microsoft.com/json-schemas/tsdoc/v0/tsdoc.schema.json",
+  // Include the definitions that are required for API Extractor
+  "extends": ["@microsoft/api-extractor/extends/tsdoc-base.json"],
+  "tagDefinitions": [
+    {
+      "tagName": "@alias",
+      "syntaxKind": "block"
+    },
+    {
+      "tagName": "@define",
+      "syntaxKind": "block"
+    },
+    {
+      "tagName": "@license",
+      "syntaxKind": "block"
+    },
+    {
+      "tagName": "@nocollapse",
+      "syntaxKind": "modifier"
+    },
+    {
+      "tagName": "@suppress",
+      "syntaxKind": "modifier"
+    }
+  ],
+
+  "supportForTags": {
+    "@alias": true,
+    "@define": true,
+    "@license": true,
+    "@nocollapse": true,
+    "@suppress": true
+  }
+}
diff --git a/typings/README.md b/typings/README.md
index df9268c4366..f656d5424dd 100644
--- a/typings/README.md
+++ b/typings/README.md
@@ -1,13 +1,5 @@
-# blockly.d.ts
+This directory contains hand-crafted typings for places where the Blockly
+library isn't yet converted to typescript.
 
-This ``blockly.d.ts`` file describes the TypeScript type definitions for Blockly.
-If you consume Blockly through ``npm``, this file is already included in the ``npm`` package.
-Otherwise, you can include a copy of this file with your sources and reference it through a [Triple-Slash directive](https://www.typescriptlang.org/docs/handbook/triple-slash-directives.html).
-
-
-## Generating a new version
-
-To generate a new version of the Typings file, from the Blockly root directory run ``npm run typings``.
-You will need to run ``npm install`` for this to work.
-
-Note: In order to check for errors in the typings file, run ``tsc`` in the ``typings/`` directory.
+These are added to the generated typings as part of the package step. I.e.
+`npm run package`.
diff --git a/typings/blockly.d.ts b/typings/blockly.d.ts
deleted file mode 100644
index 0b37bdb6009..00000000000
--- a/typings/blockly.d.ts
+++ /dev/null
@@ -1,21480 +0,0 @@
-/**
- * @license
- * Copyright 2019 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Type definitions for Blockly.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-export = Blockly;
-
-declare module Blockly {
-
-  interface BlocklyOptions {
-    toolbox?: HTMLElement | string;
-    readOnly?: boolean;
-    trashcan?: boolean;
-    maxInstances?: {[type: string]: number;};
-    maxTrashcanContents?: number;
-    collapse?: boolean;
-    comments?: boolean;
-    disable?: boolean;
-    sounds?: boolean;
-    rtl?: boolean;
-    horizontalLayout?: boolean;
-    toolboxPosition?: string;
-    css?: boolean;
-    oneBasedIndex?: boolean;
-    media?: string;
-    theme?: Blockly.Theme | BlocklyThemeOptions;
-    move?: {
-      scrollbars?: boolean;
-      drag?: boolean;
-      wheel?: boolean;
-    };
-    grid?: {
-      spacing?: number;
-      colour?: string;
-      length?: number;
-      snap?: boolean;
-    };
-    zoom?: {
-      controls?: boolean;
-      wheel?: boolean;
-      startScale?: number;
-      maxScale?: number;
-      minScale?: number;
-      scaleSpeed?: number;
-      pinch?: boolean;
-    };
-    renderer?: string;
-    keyMap?: {[type: string]: Blockly.Action;};
-    parentWorkspace?: Blockly.WorkspaceSvg;
-  }
-
-  interface BlocklyThemeOptions {
-    base?: string;
-    blockStyles?: {[blocks: string]: Blockly.Theme.BlockStyle;};
-    categoryStyles?: {[category: string]: Blockly.Theme.CategoryStyle;};
-    componentStyles?: {[component: string]: any;};
-    fontStyle?: Blockly.Theme.FontStyle;
-    startHats?: boolean;
-  }
-
-  /**
-   * Set the Blockly locale.
-   * Note: this method is only available in the npm release of Blockly.
-   * @param {!Object} msg An object of Blockly message strings in the desired
-   *     language.
-   */
-  function setLocale(msg: {[key: string]: string;}): void;
-}
-
-declare module Blockly.utils {
-  interface Metrics {
-    viewHeight: number;
-    viewWidth: number;
-    contentHeight: number;
-    contentWidth: number;
-    viewTop: number;
-    viewLeft: number;
-    contentTop: number;
-    contentLeft: number;
-    absoluteTop: number;
-    absoluteLeft: number;
-    svgHeight?: number;
-    svgWidth?: number;
-    toolboxWidth?: number;
-    toolboxHeight?: number;
-    flyoutWidth?: number;
-    flyoutHeight?: number;
-    toolboxPosition?: number;
-  }
-}
-
-
-declare module Blockly {
-
-    class Block extends Block__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Block__Class implements Blockly.IASTNodeLocation  { 
-    
-            /**
-             * Class for one block.
-             * Not normally called directly, workspace.newBlock() is preferred.
-             * @param {!Blockly.Workspace} workspace The block's workspace.
-             * @param {!string} prototypeName Name of the language object containing
-             *     type-specific functions for this block.
-             * @param {string=} opt_id Optional ID.  Use this ID if provided, otherwise
-             *     create a new ID.
-             * @constructor
-             * @implements {Blockly.IASTNodeLocation}
-             * @throws When the prototypeName is not valid or not allowed.
-             */
-            constructor(workspace: Blockly.Workspace, prototypeName: string, opt_id?: string);
-    
-            /** @type {string} */
-            id: string;
-    
-            /** @type {Blockly.Connection} */
-            outputConnection: Blockly.Connection;
-    
-            /** @type {Blockly.Connection} */
-            nextConnection: Blockly.Connection;
-    
-            /** @type {Blockly.Connection} */
-            previousConnection: Blockly.Connection;
-    
-            /** @type {!Array.<!Blockly.Input>} */
-            inputList: Blockly.Input[];
-    
-            /** @type {boolean|undefined} */
-            inputsInline: boolean|any /*undefined*/;
-    
-            /** @type {!Blockly.Tooltip.TipInfo} */
-            tooltip: Blockly.Tooltip.TipInfo;
-    
-            /** @type {boolean} */
-            contextMenu: boolean;
-    
-            /**
-             * @type {Blockly.Block}
-             * @protected
-             */
-            parentBlock_: Blockly.Block;
-    
-            /**
-             * @type {!Array.<!Blockly.Block>}
-             * @protected
-             */
-            childBlocks_: Blockly.Block[];
-    
-            /**
-             * @type {boolean}
-             * @protected
-             */
-            collapsed_: boolean;
-    
-            /**
-             * @type {?number}
-             * @protected
-             */
-            outputShape_: number;
-    
-            /**
-             * A string representing the comment attached to this block.
-             * @type {string|Blockly.Comment}
-             * @deprecated August 2019. Use getCommentText instead.
-             */
-            comment: string|Blockly.Comment;
-    
-            /**
-             * A model of the comment attached to this block.
-             * @type {!Blockly.Block.CommentModel}
-             * @package
-             */
-            commentModel: Blockly.Block.CommentModel;
-    
-            /** @type {!Blockly.Workspace} */
-            workspace: Blockly.Workspace;
-    
-            /** @type {boolean} */
-            isInFlyout: boolean;
-    
-            /** @type {boolean} */
-            isInMutator: boolean;
-    
-            /** @type {boolean} */
-            RTL: boolean;
-    
-            /**
-             * True if this block is an insertion marker.
-             * @type {boolean}
-             * @protected
-             */
-            isInsertionMarker_: boolean;
-    
-            /**
-             * Name of the type of hat.
-             * @type {string|undefined}
-             */
-            hat: string|any /*undefined*/;
-    
-            /** @type {?boolean} */
-            rendered: boolean;
-    
-            /**
-             * A count of statement inputs on the block.
-             * @type {number}
-             * @package
-             */
-            statementInputCount: number;
-    
-            /** @type {string} */
-            type: string;
-    
-            /** @type {boolean|undefined} */
-            inputsInlineDefault: boolean|any /*undefined*/;
-    
-            /**
-             * Optional text data that round-trips between blocks and XML.
-             * Has no effect. May be used by 3rd parties for meta information.
-             * @type {?string}
-             */
-            data: string;
-    
-            /**
-             * Has this block been disposed of?
-             * @type {boolean}
-             * @package
-             */
-            disposed: boolean;
-    
-            /**
-             * Colour of the block in '#RRGGBB' format.
-             * @type {string}
-             * @protected
-             */
-            colour_: string;
-    
-            /**
-             * Name of the block style.
-             * @type {?string}
-             * @protected
-             */
-            styleName_: string;
-    
-            /**
-             * An optional method called during initialization.
-             * @type {?function()}
-             */
-            init: { (): any /*missing*/ };
-    
-            /**
-             * An optional callback method to use whenever the block's parent workspace
-             * changes. This is usually only called from the constructor, the block type
-             * initializer function, or an extension initializer function.
-             * @type {?function(Blockly.Events.Abstract)}
-             */
-            onchange: { (_0: Blockly.Events.Abstract): any /*missing*/ };
-    
-            /**
-             * An optional serialization method for defining how to serialize the
-             * mutation state. This must be coupled with defining `domToMutation`.
-             * @type {?function(...):!Element}
-             */
-            mutationToDom: any /*missing*/;
-    
-            /**
-             * An optional deserialization method for defining how to deserialize the
-             * mutation state. This must be coupled with defining `mutationToDom`.
-             * @type {?function(!Element)}
-             */
-            domToMutation: { (_0: Element): any /*missing*/ };
-    
-            /**
-             * An optional property for suppressing adding STATEMENT_PREFIX and
-             * STATEMENT_SUFFIX to generated code.
-             * @type {?boolean}
-             */
-            suppressPrefixSuffix: boolean;
-    
-            /**
-             * An optional property for declaring developer variables.  Return a list of
-             * variable names for use by generators.  Developer variables are never shown to
-             * the user, but are declared as global variables in the generated code.
-             * @type {?function():!Array.<string>}
-             */
-            getDeveloperVariables: { (): string[] };
-    
-            /**
-             * Dispose of this block.
-             * @param {boolean} healStack If true, then try to heal any gap by connecting
-             *     the next statement with the previous statement.  Otherwise, dispose of
-             *     all children of this block.
-             * @suppress {checkTypes}
-             */
-            dispose(healStack: boolean): void;
-    
-            /**
-             * Call initModel on all fields on the block.
-             * May be called more than once.
-             * Either initModel or initSvg must be called after creating a block and before
-             * the first interaction with it.  Interactions include UI actions
-             * (e.g. clicking and dragging) and firing events (e.g. create, delete, and
-             * change).
-             * @public
-             */
-            initModel(): void;
-    
-            /**
-             * Unplug this block from its superior block.  If this block is a statement,
-             * optionally reconnect the block underneath with the block on top.
-             * @param {boolean=} opt_healStack Disconnect child statement and reconnect
-             *   stack.  Defaults to false.
-             */
-            unplug(opt_healStack?: boolean): void;
-    
-            /**
-             * Returns all connections originating from this block.
-             * @param {boolean} _all If true, return all connections even hidden ones.
-             * @return {!Array.<!Blockly.Connection>} Array of connections.
-             * @package
-             */
-            getConnections_(_all: boolean): Blockly.Connection[];
-    
-            /**
-             * Walks down a stack of blocks and finds the last next connection on the stack.
-             * @return {Blockly.Connection} The last next connection on the stack, or null.
-             * @package
-             */
-            lastConnectionInStack(): Blockly.Connection;
-    
-            /**
-             * Bump unconnected blocks out of alignment.  Two blocks which aren't actually
-             * connected should not coincidentally line up on screen.
-             */
-            bumpNeighbours(): void;
-    
-            /**
-             * Return the parent block or null if this block is at the top level. The parent
-             * block is either the block connected to the previous connection (for a statement
-             * block) or the block connected to the output connection (for a value block).
-             * @return {Blockly.Block} The block that holds the current block.
-             */
-            getParent(): Blockly.Block;
-    
-            /**
-             * Return the input that connects to the specified block.
-             * @param {!Blockly.Block} block A block connected to an input on this block.
-             * @return {Blockly.Input} The input that connects to the specified block.
-             */
-            getInputWithBlock(block: Blockly.Block): Blockly.Input;
-    
-            /**
-             * Return the parent block that surrounds the current block, or null if this
-             * block has no surrounding block.  A parent block might just be the previous
-             * statement, whereas the surrounding block is an if statement, while loop, etc.
-             * @return {Blockly.Block} The block that surrounds the current block.
-             */
-            getSurroundParent(): Blockly.Block;
-    
-            /**
-             * Return the next statement block directly connected to this block.
-             * @return {Blockly.Block} The next statement block or null.
-             */
-            getNextBlock(): Blockly.Block;
-    
-            /**
-             * Returns the block connected to the previous connection.
-             * @return {Blockly.Block} The previous statement block or null.
-             */
-            getPreviousBlock(): Blockly.Block;
-    
-            /**
-             * Return the connection on the first statement input on this block, or null if
-             * there are none.
-             * @return {Blockly.Connection} The first statement connection or null.
-             * @package
-             */
-            getFirstStatementConnection(): Blockly.Connection;
-    
-            /**
-             * Return the top-most block in this block's tree.
-             * This will return itself if this block is at the top level.
-             * @return {!Blockly.Block} The root block.
-             */
-            getRootBlock(): Blockly.Block;
-    
-            /**
-             * Walk up from the given block up through the stack of blocks to find
-             * the top block of the sub stack. If we are nested in a statement input only
-             * find the top-most nested block. Do not go all the way to the root block.
-             * @return {!Blockly.Block} The top block in a stack.
-             * @package
-             */
-            getTopStackBlock(): Blockly.Block;
-    
-            /**
-             * Find all the blocks that are directly nested inside this one.
-             * Includes value and statement inputs, as well as any following statement.
-             * Excludes any connection on an output tab or any preceding statement.
-             * Blocks are optionally sorted by position; top to bottom.
-             * @param {boolean} ordered Sort the list if true.
-             * @return {!Array.<!Blockly.Block>} Array of blocks.
-             */
-            getChildren(ordered: boolean): Blockly.Block[];
-    
-            /**
-             * Set parent of this block to be a new block or null.
-             * @param {Blockly.Block} newParent New parent block.
-             */
-            setParent(newParent: Blockly.Block): void;
-    
-            /**
-             * Find all the blocks that are directly or indirectly nested inside this one.
-             * Includes this block in the list.
-             * Includes value and statement inputs, as well as any following statements.
-             * Excludes any connection on an output tab or any preceding statements.
-             * Blocks are optionally sorted by position; top to bottom.
-             * @param {boolean} ordered Sort the list if true.
-             * @return {!Array.<!Blockly.Block>} Flattened array of blocks.
-             */
-            getDescendants(ordered: boolean): Blockly.Block[];
-    
-            /**
-             * Get whether this block is deletable or not.
-             * @return {boolean} True if deletable.
-             */
-            isDeletable(): boolean;
-    
-            /**
-             * Set whether this block is deletable or not.
-             * @param {boolean} deletable True if deletable.
-             */
-            setDeletable(deletable: boolean): void;
-    
-            /**
-             * Get whether this block is movable or not.
-             * @return {boolean} True if movable.
-             */
-            isMovable(): boolean;
-    
-            /**
-             * Set whether this block is movable or not.
-             * @param {boolean} movable True if movable.
-             */
-            setMovable(movable: boolean): void;
-    
-            /**
-             * Get whether is block is duplicatable or not. If duplicating this block and
-             * descendants will put this block over the workspace's capacity this block is
-             * not duplicatable. If duplicating this block and descendants will put any
-             * type over their maxInstances this block is not duplicatable.
-             * @return {boolean} True if duplicatable.
-             */
-            isDuplicatable(): boolean;
-    
-            /**
-             * Get whether this block is a shadow block or not.
-             * @return {boolean} True if a shadow.
-             */
-            isShadow(): boolean;
-    
-            /**
-             * Set whether this block is a shadow block or not.
-             * @param {boolean} shadow True if a shadow.
-             */
-            setShadow(shadow: boolean): void;
-    
-            /**
-             * Get whether this block is an insertion marker block or not.
-             * @return {boolean} True if an insertion marker.
-             * @package
-             */
-            isInsertionMarker(): boolean;
-    
-            /**
-             * Set whether this block is an insertion marker block or not.
-             * Once set this cannot be unset.
-             * @param {boolean} insertionMarker True if an insertion marker.
-             * @package
-             */
-            setInsertionMarker(insertionMarker: boolean): void;
-    
-            /**
-             * Get whether this block is editable or not.
-             * @return {boolean} True if editable.
-             */
-            isEditable(): boolean;
-    
-            /**
-             * Set whether this block is editable or not.
-             * @param {boolean} editable True if editable.
-             */
-            setEditable(editable: boolean): void;
-    
-            /**
-             * Returns if this block has been disposed of / deleted.
-             * @return {boolean} True if this block has been disposed of / deleted.
-             */
-            isDisposed(): boolean;
-    
-            /**
-             * Find the connection on this block that corresponds to the given connection
-             * on the other block.
-             * Used to match connections between a block and its insertion marker.
-             * @param {!Blockly.Block} otherBlock The other block to match against.
-             * @param {!Blockly.Connection} conn The other connection to match.
-             * @return {Blockly.Connection} The matching connection on this block, or null.
-             * @package
-             */
-            getMatchingConnection(otherBlock: Blockly.Block, conn: Blockly.Connection): Blockly.Connection;
-    
-            /**
-             * Set the URL of this block's help page.
-             * @param {string|Function} url URL string for block help, or function that
-             *     returns a URL.  Null for no help.
-             */
-            setHelpUrl(url: string|Function): void;
-    
-            /**
-             * Sets the tooltip for this block.
-             * @param {!Blockly.Tooltip.TipInfo} newTip The text for the tooltip, a function
-             *     that returns the text for the tooltip, or a parent object whose tooltip
-             *     will be used. To not display a tooltip pass the empty string.
-             */
-            setTooltip(newTip: Blockly.Tooltip.TipInfo): void;
-    
-            /**
-             * Returns the tooltip text for this block.
-             * @returns {!string} The tooltip text for this block.
-             */
-            getTooltip(): string;
-    
-            /**
-             * Get the colour of a block.
-             * @return {string} #RRGGBB string.
-             */
-            getColour(): string;
-    
-            /**
-             * Get the name of the block style.
-             * @return {?string} Name of the block style.
-             */
-            getStyleName(): string;
-    
-            /**
-             * Get the HSV hue value of a block.  Null if hue not set.
-             * @return {?number} Hue value (0-360).
-             */
-            getHue(): number;
-    
-            /**
-             * Change the colour of a block.
-             * @param {number|string} colour HSV hue value (0 to 360), #RRGGBB string,
-             *     or a message reference string pointing to one of those two values.
-             */
-            setColour(colour: number|string): void;
-    
-            /**
-             * Set the style and colour values of a block.
-             * @param {string} blockStyleName Name of the block style
-             */
-            setStyle(blockStyleName: string): void;
-    
-            /**
-             * Sets a callback function to use whenever the block's parent workspace
-             * changes, replacing any prior onchange handler. This is usually only called
-             * from the constructor, the block type initializer function, or an extension
-             * initializer function.
-             * @param {function(Blockly.Events.Abstract)} onchangeFn The callback to call
-             *     when the block's workspace changes.
-             * @throws {Error} if onchangeFn is not falsey and not a function.
-             */
-            setOnChange(onchangeFn: { (_0: Blockly.Events.Abstract): any /*missing*/ }): void;
-    
-            /**
-             * Returns the named field from a block.
-             * @param {string} name The name of the field.
-             * @return {Blockly.Field} Named field, or null if field does not exist.
-             */
-            getField(name: string): Blockly.Field;
-    
-            /**
-             * Return all variables referenced by this block.
-             * @return {!Array.<string>} List of variable names.
-             */
-            getVars(): string[];
-    
-            /**
-             * Return all variables referenced by this block.
-             * @return {!Array.<!Blockly.VariableModel>} List of variable models.
-             * @package
-             */
-            getVarModels(): Blockly.VariableModel[];
-    
-            /**
-             * Notification that a variable is renaming but keeping the same ID.  If the
-             * variable is in use on this block, rerender to show the new name.
-             * @param {!Blockly.VariableModel} variable The variable being renamed.
-             * @package
-             */
-            updateVarName(variable: Blockly.VariableModel): void;
-    
-            /**
-             * Notification that a variable is renaming.
-             * If the ID matches one of this block's variables, rename it.
-             * @param {string} oldId ID of variable to rename.
-             * @param {string} newId ID of new variable.  May be the same as oldId, but with
-             *     an updated name.
-             */
-            renameVarById(oldId: string, newId: string): void;
-    
-            /**
-             * Returns the language-neutral value of the given field.
-             * @param {string} name The name of the field.
-             * @return {*} Value of the field or null if field does not exist.
-             */
-            getFieldValue(name: string): any;
-    
-            /**
-             * Sets the value of the given field for this block.
-             * @param {*} newValue The value to set.
-             * @param {!string} name The name of the field to set the value of.
-             */
-            setFieldValue(newValue: any, name: string): void;
-    
-            /**
-             * Set whether this block can chain onto the bottom of another block.
-             * @param {boolean} newBoolean True if there can be a previous statement.
-             * @param {(string|Array.<string>|null)=} opt_check Statement type or
-             *     list of statement types.  Null/undefined if any type could be connected.
-             */
-            setPreviousStatement(newBoolean: boolean, opt_check?: string|string[]|any /*null*/): void;
-    
-            /**
-             * Set whether another block can chain onto the bottom of this block.
-             * @param {boolean} newBoolean True if there can be a next statement.
-             * @param {(string|Array.<string>|null)=} opt_check Statement type or
-             *     list of statement types.  Null/undefined if any type could be connected.
-             */
-            setNextStatement(newBoolean: boolean, opt_check?: string|string[]|any /*null*/): void;
-    
-            /**
-             * Set whether this block returns a value.
-             * @param {boolean} newBoolean True if there is an output.
-             * @param {(string|Array.<string>|null)=} opt_check Returned type or list
-             *     of returned types.  Null or undefined if any type could be returned
-             *     (e.g. variable get).
-             */
-            setOutput(newBoolean: boolean, opt_check?: string|string[]|any /*null*/): void;
-    
-            /**
-             * Set whether value inputs are arranged horizontally or vertically.
-             * @param {boolean} newBoolean True if inputs are horizontal.
-             */
-            setInputsInline(newBoolean: boolean): void;
-    
-            /**
-             * Get whether value inputs are arranged horizontally or vertically.
-             * @return {boolean} True if inputs are horizontal.
-             */
-            getInputsInline(): boolean;
-    
-            /**
-             * Set the block's output shape.
-             * @param {?number} outputShape Value representing an output shape.
-             */
-            setOutputShape(outputShape: number): void;
-    
-            /**
-             * Get the block's output shape.
-             * @return {?number} Value representing output shape if one exists.
-             */
-            getOutputShape(): number;
-    
-            /**
-             * Set whether the block is disabled or not.
-             * @param {boolean} disabled True if disabled.
-             * @deprecated May 2019
-             */
-            setDisabled(disabled: boolean): void;
-    
-            /**
-             * Get whether this block is enabled or not.
-             * @return {boolean} True if enabled.
-             */
-            isEnabled(): boolean;
-    
-            /**
-             * Set whether the block is enabled or not.
-             * @param {boolean} enabled True if enabled.
-             */
-            setEnabled(enabled: boolean): void;
-    
-            /**
-             * Get whether the block is disabled or not due to parents.
-             * The block's own disabled property is not considered.
-             * @return {boolean} True if disabled.
-             */
-            getInheritedDisabled(): boolean;
-    
-            /**
-             * Get whether the block is collapsed or not.
-             * @return {boolean} True if collapsed.
-             */
-            isCollapsed(): boolean;
-    
-            /**
-             * Set whether the block is collapsed or not.
-             * @param {boolean} collapsed True if collapsed.
-             */
-            setCollapsed(collapsed: boolean): void;
-    
-            /**
-             * Create a human-readable text representation of this block and any children.
-             * @param {number=} opt_maxLength Truncate the string to this length.
-             * @param {string=} opt_emptyToken The placeholder string used to denote an
-             *     empty field. If not specified, '?' is used.
-             * @return {string} Text of block.
-             */
-            toString(opt_maxLength?: number, opt_emptyToken?: string): string;
-    
-            /**
-             * Shortcut for appending a value input row.
-             * @param {string} name Language-neutral identifier which may used to find this
-             *     input again.  Should be unique to this block.
-             * @return {!Blockly.Input} The input object created.
-             */
-            appendValueInput(name: string): Blockly.Input;
-    
-            /**
-             * Shortcut for appending a statement input row.
-             * @param {string} name Language-neutral identifier which may used to find this
-             *     input again.  Should be unique to this block.
-             * @return {!Blockly.Input} The input object created.
-             */
-            appendStatementInput(name: string): Blockly.Input;
-    
-            /**
-             * Shortcut for appending a dummy input row.
-             * @param {string=} opt_name Language-neutral identifier which may used to find
-             *     this input again.  Should be unique to this block.
-             * @return {!Blockly.Input} The input object created.
-             */
-            appendDummyInput(opt_name?: string): Blockly.Input;
-    
-            /**
-             * Initialize this block using a cross-platform, internationalization-friendly
-             * JSON description.
-             * @param {!Object} json Structured data describing the block.
-             */
-            jsonInit(json: Object): void;
-    
-            /**
-             * Add key/values from mixinObj to this block object. By default, this method
-             * will check that the keys in mixinObj will not overwrite existing values in
-             * the block, including prototype values. This provides some insurance against
-             * mixin / extension incompatibilities with future block features. This check
-             * can be disabled by passing true as the second argument.
-             * @param {!Object} mixinObj The key/values pairs to add to this block object.
-             * @param {boolean=} opt_disableCheck Option flag to disable overwrite checks.
-             */
-            mixin(mixinObj: Object, opt_disableCheck?: boolean): void;
-    
-            /**
-             * Add a value input, statement input or local variable to this block.
-             * @param {number} type Either Blockly.INPUT_VALUE or Blockly.NEXT_STATEMENT or
-             *     Blockly.DUMMY_INPUT.
-             * @param {string} name Language-neutral identifier which may used to find this
-             *     input again.  Should be unique to this block.
-             * @return {!Blockly.Input} The input object created.
-             * @protected
-             */
-            appendInput_(type: number, name: string): Blockly.Input;
-    
-            /**
-             * Move a named input to a different location on this block.
-             * @param {string} name The name of the input to move.
-             * @param {?string} refName Name of input that should be after the moved input,
-             *   or null to be the input at the end.
-             */
-            moveInputBefore(name: string, refName: string): void;
-    
-            /**
-             * Move a numbered input to a different location on this block.
-             * @param {number} inputIndex Index of the input to move.
-             * @param {number} refIndex Index of input that should be after the moved input.
-             */
-            moveNumberedInputBefore(inputIndex: number, refIndex: number): void;
-    
-            /**
-             * Remove an input from this block.
-             * @param {string} name The name of the input.
-             * @param {boolean=} opt_quiet True to prevent an error if input is not present.
-             * @return {boolean} True if operation succeeds, false if input is not present and opt_quiet is true
-             * @throws {Error} if the input is not present and opt_quiet is not true.
-             */
-            removeInput(name: string, opt_quiet?: boolean): boolean;
-    
-            /**
-             * Fetches the named input object.
-             * @param {string} name The name of the input.
-             * @return {Blockly.Input} The input object, or null if input does not exist.
-             */
-            getInput(name: string): Blockly.Input;
-    
-            /**
-             * Fetches the block attached to the named input.
-             * @param {string} name The name of the input.
-             * @return {Blockly.Block} The attached value block, or null if the input is
-             *     either disconnected or if the input does not exist.
-             */
-            getInputTargetBlock(name: string): Blockly.Block;
-    
-            /**
-             * Returns the comment on this block (or null if there is no comment).
-             * @return {?string} Block's comment.
-             */
-            getCommentText(): string;
-    
-            /**
-             * Set this block's comment text.
-             * @param {?string} text The text, or null to delete.
-             */
-            setCommentText(text: string): void;
-    
-            /**
-             * Set this block's warning text.
-             * @param {?string} _text The text, or null to delete.
-             * @param {string=} _opt_id An optional ID for the warning text to be able to
-             *     maintain multiple warnings.
-             */
-            setWarningText(_text: string, _opt_id?: string): void;
-    
-            /**
-             * Give this block a mutator dialog.
-             * @param {Blockly.Mutator} _mutator A mutator dialog instance or null to
-             *     remove.
-             */
-            setMutator(_mutator: Blockly.Mutator): void;
-    
-            /**
-             * Return the coordinates of the top-left corner of this block relative to the
-             * drawing surface's origin (0,0), in workspace units.
-             * @return {!Blockly.utils.Coordinate} Object with .x and .y properties.
-             */
-            getRelativeToSurfaceXY(): Blockly.utils.Coordinate;
-    
-            /**
-             * Move a block by a relative offset.
-             * @param {number} dx Horizontal offset, in workspace units.
-             * @param {number} dy Vertical offset, in workspace units.
-             */
-            moveBy(dx: number, dy: number): void;
-    
-            /**
-             * Create a connection of the specified type.
-             * @param {number} type The type of the connection to create.
-             * @return {!Blockly.Connection} A new connection of the specified type.
-             * @protected
-             */
-            makeConnection_(type: number): Blockly.Connection;
-    
-            /**
-             * Recursively checks whether all statement and value inputs are filled with
-             * blocks. Also checks all following statement blocks in this stack.
-             * @param {boolean=} opt_shadowBlocksAreFilled An optional argument controlling
-             *     whether shadow blocks are counted as filled. Defaults to true.
-             * @return {boolean} True if all inputs are filled, false otherwise.
-             */
-            allInputsFilled(opt_shadowBlocksAreFilled?: boolean): boolean;
-    
-            /**
-             * This method returns a string describing this Block in developer terms (type
-             * name and ID; English only).
-             *
-             * Intended to on be used in console logs and errors. If you need a string that
-             * uses the user's native language (including block text, field values, and
-             * child blocks), use [toString()]{@link Blockly.Block#toString}.
-             * @return {string} The description.
-             */
-            toDevString(): string;
-    } 
-    
-}
-
-declare module Blockly.Block {
-
-    /**
-     * @typedef {{
-     *            text:?string,
-     *            pinned:boolean,
-     *            size:Blockly.utils.Size
-     *          }}
-     */
-    interface CommentModel {
-        text: string;
-        pinned: boolean;
-        size: Blockly.utils.Size
-    }
-
-    /**
-     * The language-neutral id given to the collapsed input.
-     * @const {string}
-     */
-    var COLLAPSED_INPUT_NAME: any /*missing*/;
-
-    /**
-     * The language-neutral id given to the collapsed field.
-     * @const {string}
-     */
-    var COLLAPSED_FIELD_NAME: any /*missing*/;
-}
-
-
-declare module Blockly.blockAnimations {
-
-    /**
-     * Play some UI effects (sound, animation) when disposing of a block.
-     * @param {!Blockly.BlockSvg} block The block being disposed of.
-     * @package
-     */
-    function disposeUiEffect(block: Blockly.BlockSvg): void;
-
-    /**
-     * Play some UI effects (sound, ripple) after a connection has been established.
-     * @param {!Blockly.BlockSvg} block The block being connected.
-     * @package
-     */
-    function connectionUiEffect(block: Blockly.BlockSvg): void;
-
-    /**
-     * Play some UI effects (sound, animation) when disconnecting a block.
-     * @param {!Blockly.BlockSvg} block The block being disconnected.
-     * @package
-     */
-    function disconnectUiEffect(block: Blockly.BlockSvg): void;
-
-    /**
-     * Stop the disconnect UI animation immediately.
-     * @package
-     */
-    function disconnectUiStop(): void;
-}
-
-
-declare module Blockly {
-
-    class BlockDragSurfaceSvg extends BlockDragSurfaceSvg__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class BlockDragSurfaceSvg__Class  { 
-    
-            /**
-             * Class for a drag surface for the currently dragged block. This is a separate
-             * SVG that contains only the currently moving block, or nothing.
-             * @param {!Element} container Containing element.
-             * @constructor
-             */
-            constructor(container: Element);
-    
-            /**
-             * Create the drag surface and inject it into the container.
-             */
-            createDom(): void;
-    
-            /**
-             * Set the SVG blocks on the drag surface's group and show the surface.
-             * Only one block group should be on the drag surface at a time.
-             * @param {!SVGElement} blocks Block or group of blocks to place on the drag
-             * surface.
-             */
-            setBlocksAndShow(blocks: SVGElement): void;
-    
-            /**
-             * Translate and scale the entire drag surface group to the given position, to
-             * keep in sync with the workspace.
-             * @param {number} x X translation in workspace coordinates.
-             * @param {number} y Y translation in workspace coordinates.
-             * @param {number} scale Scale of the group.
-             */
-            translateAndScaleGroup(x: number, y: number, scale: number): void;
-    
-            /**
-             * Translate the entire drag surface during a drag.
-             * We translate the drag surface instead of the blocks inside the surface
-             * so that the browser avoids repainting the SVG.
-             * Because of this, the drag coordinates must be adjusted by scale.
-             * @param {number} x X translation for the entire surface.
-             * @param {number} y Y translation for the entire surface.
-             */
-            translateSurface(x: number, y: number): void;
-    
-            /**
-             * Reports the surface translation in scaled workspace coordinates.
-             * Use this when finishing a drag to return blocks to the correct position.
-             * @return {!Blockly.utils.Coordinate} Current translation of the surface.
-             */
-            getSurfaceTranslation(): Blockly.utils.Coordinate;
-    
-            /**
-             * Provide a reference to the drag group (primarily for
-             * BlockSvg.getRelativeToSurfaceXY).
-             * @return {SVGElement} Drag surface group element.
-             */
-            getGroup(): SVGElement;
-    
-            /**
-             * Get the current blocks on the drag surface, if any (primarily
-             * for BlockSvg.getRelativeToSurfaceXY).
-             * @return {Element} Drag surface block DOM element, or undefined if no blocks
-             * exist.
-             */
-            getCurrentBlock(): Element;
-    
-            /**
-             * Clear the group and hide the surface; move the blocks off onto the provided
-             * element.
-             * If the block is being deleted it doesn't need to go back to the original
-             * surface, since it would be removed immediately during dispose.
-             * @param {Element=} opt_newSurface Surface the dragging blocks should be moved
-             *     to, or null if the blocks should be removed from this surface without
-             *     being moved to a different surface.
-             */
-            clearAndHide(opt_newSurface?: Element): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class BlockDragger extends BlockDragger__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class BlockDragger__Class  { 
-    
-            /**
-             * Class for a block dragger.  It moves blocks around the workspace when they
-             * are being dragged by a mouse or touch.
-             * @param {!Blockly.BlockSvg} block The block to drag.
-             * @param {!Blockly.WorkspaceSvg} workspace The workspace to drag on.
-             * @constructor
-             */
-            constructor(block: Blockly.BlockSvg, workspace: Blockly.WorkspaceSvg);
-    
-            /**
-             * Sever all links from this object.
-             * @package
-             */
-            dispose(): void;
-    
-            /**
-             * Start dragging a block.  This includes moving it to the drag surface.
-             * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
-             *     moved from the position at mouse down, in pixel units.
-             * @param {boolean} healStack Whether or not to heal the stack after
-             *     disconnecting.
-             * @package
-             */
-            startBlockDrag(currentDragDeltaXY: Blockly.utils.Coordinate, healStack: boolean): void;
-    
-            /**
-             * Execute a step of block dragging, based on the given event.  Update the
-             * display accordingly.
-             * @param {!Event} e The most recent move event.
-             * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
-             *     moved from the position at the start of the drag, in pixel units.
-             * @package
-             */
-            dragBlock(e: Event, currentDragDeltaXY: Blockly.utils.Coordinate): void;
-    
-            /**
-             * Finish a block drag and put the block back on the workspace.
-             * @param {!Event} e The mouseup/touchend event.
-             * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
-             *     moved from the position at the start of the drag, in pixel units.
-             * @package
-             */
-            endBlockDrag(e: Event, currentDragDeltaXY: Blockly.utils.Coordinate): void;
-    
-            /**
-             * Get a list of the insertion markers that currently exist.  Drags have 0, 1,
-             * or 2 insertion markers.
-             * @return {!Array.<!Blockly.BlockSvg>} A possibly empty list of insertion
-             *     marker blocks.
-             * @package
-             */
-            getInsertionMarkers(): Blockly.BlockSvg[];
-    } 
-    
-}
-
-
-declare module Blockly.Events {
-
-    class BlockBase extends BlockBase__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class BlockBase__Class extends Blockly.Events.Abstract__Class  { 
-    
-            /**
-             * Abstract class for a block event.
-             * @param {!Blockly.Block=} opt_block The block this event corresponds to.
-             *     Undefined for a blank event.
-             * @extends {Blockly.Events.Abstract}
-             * @constructor
-             */
-            constructor(opt_block?: Blockly.Block);
-    
-            /**
-             * The block id for the block this event pertains to
-             * @type {string}
-             */
-            blockId: string;
-    
-            /**
-             * The workspace identifier for this event.
-             * @type {string}
-             */
-            workspaceId: string;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    } 
-    
-
-    class Change extends Change__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Change__Class extends Blockly.Events.BlockBase__Class  { 
-    
-            /**
-             * Class for a block change event.
-             * @param {!Blockly.Block=} opt_block The changed block.  Undefined for a blank
-             *     event.
-             * @param {string=} opt_element One of 'field', 'comment', 'disabled', etc.
-             * @param {?string=} opt_name Name of input or field affected, or null.
-             * @param {*=} opt_oldValue Previous value of element.
-             * @param {*=} opt_newValue New value of element.
-             * @extends {Blockly.Events.BlockBase}
-             * @constructor
-             */
-            constructor(opt_block?: Blockly.Block, opt_element?: string, opt_name?: string, opt_oldValue?: any, opt_newValue?: any);
-    
-            /**
-             * Type of this event.
-             * @type {string}
-             */
-            type: string;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    
-            /**
-             * Does this event record any change of state?
-             * @return {boolean} False if something changed.
-             */
-            isNull(): boolean;
-    
-            /**
-             * Run a change event.
-             * @param {boolean} forward True if run forward, false if run backward (undo).
-             */
-            run(forward: boolean): void;
-    } 
-    
-
-    class BlockChange extends BlockChange__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class BlockChange__Class extends Blockly.Events.BlockBase__Class  { 
-    
-            /**
-             * Class for a block change event.
-             * @param {!Blockly.Block=} opt_block The changed block.  Undefined for a blank
-             *     event.
-             * @param {string=} opt_element One of 'field', 'comment', 'disabled', etc.
-             * @param {?string=} opt_name Name of input or field affected, or null.
-             * @param {*=} opt_oldValue Previous value of element.
-             * @param {*=} opt_newValue New value of element.
-             * @extends {Blockly.Events.BlockBase}
-             * @constructor
-             */
-            constructor(opt_block?: Blockly.Block, opt_element?: string, opt_name?: string, opt_oldValue?: any, opt_newValue?: any);
-    } 
-    
-
-    class Create extends Create__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Create__Class extends Blockly.Events.BlockBase__Class  { 
-    
-            /**
-             * Class for a block creation event.
-             * @param {!Blockly.Block=} opt_block The created block.  Undefined for a blank
-             *     event.
-             * @extends {Blockly.Events.BlockBase}
-             * @constructor
-             */
-            constructor(opt_block?: Blockly.Block);
-    
-            /**
-             * Type of this event.
-             * @type {string}
-             */
-            type: string;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    
-            /**
-             * Run a creation event.
-             * @param {boolean} forward True if run forward, false if run backward (undo).
-             */
-            run(forward: boolean): void;
-    } 
-    
-
-    class BlockCreate extends BlockCreate__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class BlockCreate__Class extends Blockly.Events.BlockBase__Class  { 
-    
-            /**
-             * Class for a block creation event.
-             * @param {!Blockly.Block=} block The created block. Undefined for a blank
-             *     event.
-             * @extends {Blockly.Events.BlockBase}
-             * @constructor
-             */
-            constructor(block?: Blockly.Block);
-    } 
-    
-
-    class Delete extends Delete__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Delete__Class extends Blockly.Events.BlockBase__Class  { 
-    
-            /**
-             * Class for a block deletion event.
-             * @param {!Blockly.Block=} opt_block The deleted block.  Undefined for a blank
-             *     event.
-             * @extends {Blockly.Events.BlockBase}
-             * @constructor
-             */
-            constructor(opt_block?: Blockly.Block);
-    
-            /**
-             * Type of this event.
-             * @type {string}
-             */
-            type: string;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    
-            /**
-             * Run a deletion event.
-             * @param {boolean} forward True if run forward, false if run backward (undo).
-             */
-            run(forward: boolean): void;
-    } 
-    
-
-    class BlockDelete extends BlockDelete__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class BlockDelete__Class extends Blockly.Events.BlockBase__Class  { 
-    
-            /**
-             * Class for a block deletion event.
-             * @param {Blockly.Block} block The deleted block.  Null for a blank event.
-             * @extends {Blockly.Events.BlockBase}
-             * @constructor
-             */
-            constructor(block: Blockly.Block);
-    } 
-    
-
-    class Move extends Move__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Move__Class extends Blockly.Events.BlockBase__Class  { 
-    
-            /**
-             * Class for a block move event.  Created before the move.
-             * @param {!Blockly.Block=} opt_block The moved block.  Undefined for a blank
-             *     event.
-             * @extends {Blockly.Events.BlockBase}
-             * @constructor
-             */
-            constructor(opt_block?: Blockly.Block);
-    
-            /**
-             * Type of this event.
-             * @type {string}
-             */
-            type: string;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    
-            /**
-             * Record the block's new location.  Called after the move.
-             */
-            recordNew(): void;
-    
-            /**
-             * Does this event record any change of state?
-             * @return {boolean} False if something changed.
-             */
-            isNull(): boolean;
-    
-            /**
-             * Run a move event.
-             * @param {boolean} forward True if run forward, false if run backward (undo).
-             */
-            run(forward: boolean): void;
-    } 
-    
-
-    class BlockMove extends BlockMove__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class BlockMove__Class extends Blockly.Events.BlockBase__Class  { 
-    
-            /**
-             * Class for a block move event.  Created before the move.
-             * @param {Blockly.Block} block The moved block.  Null for a blank event.
-             * @extends {Blockly.Events.BlockBase}
-             * @constructor
-             */
-            constructor(block: Blockly.Block);
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class BlockSvg extends BlockSvg__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class BlockSvg__Class extends Blockly.Block__Class implements Blockly.IASTNodeLocationSvg, Blockly.IBoundedElement, Blockly.ICopyable  { 
-    
-            /**
-             * Class for a block's SVG representation.
-             * Not normally called directly, workspace.newBlock() is preferred.
-             * @param {!Blockly.WorkspaceSvg} workspace The block's workspace.
-             * @param {?string} prototypeName Name of the language object containing
-             *     type-specific functions for this block.
-             * @param {string=} opt_id Optional ID.  Use this ID if provided, otherwise
-             *     create a new ID.
-             * @extends {Blockly.Block}
-             * @implements {Blockly.IASTNodeLocationSvg}
-             * @implements {Blockly.IBoundedElement}
-             * @implements {Blockly.ICopyable}
-             * @constructor
-             */
-            constructor(workspace: Blockly.WorkspaceSvg, prototypeName: string, opt_id?: string);
-    
-            /**
-             * A block style object.
-             * @type {!Blockly.Theme.BlockStyle}
-             */
-            style: Blockly.Theme.BlockStyle;
-    
-            /**
-             * The renderer's path object.
-             * @type {Blockly.blockRendering.IPathObject}
-             * @package
-             */
-            pathObject: Blockly.blockRendering.IPathObject;
-    
-            /** @type {boolean} */
-            rendered: boolean;
-    
-            /** @type {!Blockly.WorkspaceSvg} */
-            workspace: Blockly.WorkspaceSvg;
-    
-            /** @type {Blockly.RenderedConnection} */
-            outputConnection: Blockly.RenderedConnection;
-    
-            /** @type {Blockly.RenderedConnection} */
-            nextConnection: Blockly.RenderedConnection;
-    
-            /** @type {Blockly.RenderedConnection} */
-            previousConnection: Blockly.RenderedConnection;
-    
-            /**
-             * Height of this block, not including any statement blocks above or below.
-             * Height is in workspace units.
-             */
-            height: any /*missing*/;
-    
-            /**
-             * Width of this block, including any connected value blocks.
-             * Width is in workspace units.
-             */
-            width: any /*missing*/;
-    
-            /**
-             * An optional method called when a mutator dialog is first opened.
-             * This function must create and initialize a top-level block for the mutator
-             * dialog, and return it. This function should also populate this top-level
-             * block with any sub-blocks which are appropriate. This method must also be
-             * coupled with defining a `compose` method for the default mutation dialog
-             * button and UI to appear.
-             * @type {?function(Blockly.WorkspaceSvg):!Blockly.BlockSvg}
-             */
-            decompose: { (_0: Blockly.WorkspaceSvg): Blockly.BlockSvg };
-    
-            /**
-             * An optional method called when a mutator dialog saves its content.
-             * This function is called to modify the original block according to new
-             * settings. This method must also be coupled with defining a `decompose`
-             * method for the default mutation dialog button and UI to appear.
-             * @type {?function(!Blockly.BlockSvg)}
-             */
-            compose: { (_0: Blockly.BlockSvg): any /*missing*/ };
-    
-            /**
-             * An optional method for defining custom block context menu items.
-             * @type {?function(!Array.<!Object>)}
-             */
-            customContextMenu: { (_0: Object[]): any /*missing*/ };
-    
-            /**
-             * An property used internally to reference the block's rendering debugger.
-             * @type {?Blockly.blockRendering.Debug}
-             * @package
-             */
-            renderingDebugger: Blockly.blockRendering.Debug;
-    
-            /**
-             * Create and initialize the SVG representation of the block.
-             * May be called more than once.
-             */
-            initSvg(): void;
-    
-            /**
-             * Get the secondary colour of a block.
-             * @return {?string} #RRGGBB string.
-             */
-            getColourSecondary(): string;
-    
-            /**
-             * Get the tertiary colour of a block.
-             * @return {?string} #RRGGBB string.
-             */
-            getColourTertiary(): string;
-    
-            /**
-             * Get the shadow colour of a block.
-             * @return {?string} #RRGGBB string.
-             * @deprecated Use style.colourSecondary. (2020 January 21)
-             */
-            getColourShadow(): string;
-    
-            /**
-             * Get the border colour(s) of a block.
-             * @return {{colourDark, colourLight, colourBorder}} An object containing
-             *     colour values for the border(s) of the block. If the block is using a
-             *     style the colourBorder will be defined and equal to the tertiary colour
-             *     of the style (#RRGGBB string). Otherwise the colourDark and colourLight
-             *     attributes will be defined (#RRGGBB strings).
-             * @deprecated Use style.colourTertiary. (2020 January 21)
-             */
-            getColourBorder(): { colourDark: any /*missing*/; colourLight: any /*missing*/; colourBorder: any /*missing*/ };
-    
-            /**
-             * Select this block.  Highlight it visually.
-             */
-            select(): void;
-    
-            /**
-             * Unselect this block.  Remove its highlighting.
-             */
-            unselect(): void;
-    
-            /**
-             * Block's mutator icon (if any).
-             * @type {Blockly.Mutator}
-             */
-            mutator: Blockly.Mutator;
-    
-            /**
-             * Block's comment icon (if any).
-             * @type {Blockly.Comment}
-             * @deprecated August 2019. Use getCommentIcon instead.
-             */
-            comment: Blockly.Comment;
-    
-            /**
-             * Block's warning icon (if any).
-             * @type {Blockly.Warning}
-             */
-            warning: Blockly.Warning;
-    
-            /**
-             * Returns a list of mutator, comment, and warning icons.
-             * @return {!Array} List of icons.
-             */
-            getIcons(): any[];
-    
-            /**
-             * Return the coordinates of the top-left corner of this block relative to the
-             * drawing surface's origin (0,0), in workspace units.
-             * If the block is on the workspace, (0, 0) is the origin of the workspace
-             * coordinate system.
-             * This does not change with workspace scale.
-             * @return {!Blockly.utils.Coordinate} Object with .x and .y properties in
-             *     workspace coordinates.
-             */
-            getRelativeToSurfaceXY(): Blockly.utils.Coordinate;
-    
-            /**
-             * Move a block by a relative offset.
-             * @param {number} dx Horizontal offset in workspace units.
-             * @param {number} dy Vertical offset in workspace units.
-             */
-            moveBy(dx: number, dy: number): void;
-    
-            /**
-             * Transforms a block by setting the translation on the transform attribute
-             * of the block's SVG.
-             * @param {number} x The x coordinate of the translation in workspace units.
-             * @param {number} y The y coordinate of the translation in workspace units.
-             */
-            translate(x: number, y: number): void;
-    
-            /**
-             * Move this block to its workspace's drag surface, accounting for positioning.
-             * Generally should be called at the same time as setDragging_(true).
-             * Does nothing if useDragSurface_ is false.
-             * @package
-             */
-            moveToDragSurface(): void;
-    
-            /**
-             * Move a block to a position.
-             * @param {Blockly.utils.Coordinate} xy The position to move to in workspace units.
-             */
-            moveTo(xy: Blockly.utils.Coordinate): void;
-    
-            /**
-             * Move this block back to the workspace block canvas.
-             * Generally should be called at the same time as setDragging_(false).
-             * Does nothing if useDragSurface_ is false.
-             * @param {!Blockly.utils.Coordinate} newXY The position the block should take on
-             *     on the workspace canvas, in workspace coordinates.
-             * @package
-             */
-            moveOffDragSurface(newXY: Blockly.utils.Coordinate): void;
-    
-            /**
-             * Move this block during a drag, taking into account whether we are using a
-             * drag surface to translate blocks.
-             * This block must be a top-level block.
-             * @param {!Blockly.utils.Coordinate} newLoc The location to translate to, in
-             *     workspace coordinates.
-             * @package
-             */
-            moveDuringDrag(newLoc: Blockly.utils.Coordinate): void;
-    
-            /**
-             * Snap this block to the nearest grid point.
-             */
-            snapToGrid(): void;
-    
-            /**
-             * Returns the coordinates of a bounding box describing the dimensions of this
-             * block and any blocks stacked below it.
-             * Coordinate system: workspace coordinates.
-             * @return {!Blockly.utils.Rect} Object with coordinates of the bounding box.
-             */
-            getBoundingRectangle(): Blockly.utils.Rect;
-    
-            /**
-             * Notify every input on this block to mark its fields as dirty.
-             * A dirty field is a field that needs to be re-rendered.
-             */
-            markDirty(): void;
-    
-            /**
-             * Set whether the block is collapsed or not.
-             * @param {boolean} collapsed True if collapsed.
-             */
-            setCollapsed(collapsed: boolean): void;
-    
-            /**
-             * Open the next (or previous) FieldTextInput.
-             * @param {!Blockly.Field} start Current field.
-             * @param {boolean} forward If true go forward, otherwise backward.
-             */
-            tab(start: Blockly.Field, forward: boolean): void;
-    
-            /**
-             * Load the block's help page in a new window.
-             * @package
-             */
-            showHelp(): void;
-    
-            /**
-             * Generate the context menu for this block.
-             * @protected
-             * @return {Array.<!Object>} Context menu options
-             */
-            generateContextMenu(): Object[];
-    
-            /**
-             * Show the context menu for this block.
-             * @param {!Event} e Mouse event.
-             * @package
-             */
-            showContextMenu(e: Event): void;
-    
-            /**
-             * Move the connections for this block and all blocks attached under it.
-             * Also update any attached bubbles.
-             * @param {number} dx Horizontal offset from current location, in workspace
-             *     units.
-             * @param {number} dy Vertical offset from current location, in workspace
-             *     units.
-             * @package
-             */
-            moveConnections(dx: number, dy: number): void;
-    
-            /**
-             * Recursively adds or removes the dragging class to this node and its children.
-             * @param {boolean} adding True if adding, false if removing.
-             * @package
-             */
-            setDragging(adding: boolean): void;
-    
-            /**
-             * Set whether this block is movable or not.
-             * @param {boolean} movable True if movable.
-             */
-            setMovable(movable: boolean): void;
-    
-            /**
-             * Set whether this block is editable or not.
-             * @param {boolean} editable True if editable.
-             */
-            setEditable(editable: boolean): void;
-    
-            /**
-             * Set whether this block is a shadow block or not.
-             * @param {boolean} shadow True if a shadow.
-             */
-            setShadow(shadow: boolean): void;
-    
-            /**
-             * Set whether this block is an insertion marker block or not.
-             * Once set this cannot be unset.
-             * @param {boolean} insertionMarker True if an insertion marker.
-             * @package
-             */
-            setInsertionMarker(insertionMarker: boolean): void;
-    
-            /**
-             * Return the root node of the SVG or null if none exists.
-             * @return {!SVGGElement} The root SVG node (probably a group).
-             */
-            getSvgRoot(): SVGGElement;
-    
-            /**
-             * Dispose of this block.
-             * @param {boolean=} healStack If true, then try to heal any gap by connecting
-             *     the next statement with the previous statement.  Otherwise, dispose of
-             *     all children of this block.
-             * @param {boolean=} animate If true, show a disposal animation and sound.
-             * @suppress {checkTypes}
-             */
-            dispose(healStack?: boolean, animate?: boolean): void;
-    
-            /**
-             * Encode a block for copying.
-             * @return {?Blockly.ICopyable.CopyData} Copy metadata, or null if the block is
-             *     an insertion marker.
-             * @package
-             */
-            toCopyData(): Blockly.ICopyable.CopyData;
-    
-            /**
-             * Change the colour of a block.
-             * @package
-             */
-            applyColour(): void;
-    
-            /**
-             * Enable or disable a block.
-             */
-            updateDisabled(): void;
-    
-            /**
-             * Get the comment icon attached to this block, or null if the block has no
-             * comment.
-             * @return {Blockly.Comment} The comment icon attached to this block, or null.
-             */
-            getCommentIcon(): Blockly.Comment;
-    
-            /**
-             * Set this block's comment text.
-             * @param {?string} text The text, or null to delete.
-             */
-            setCommentText(text: string): void;
-    
-            /**
-             * Set this block's warning text.
-             * @param {?string} text The text, or null to delete.
-             * @param {string=} opt_id An optional ID for the warning text to be able to
-             *     maintain multiple warnings.
-             */
-            setWarningText(text: string, opt_id?: string): void;
-    
-            /**
-             * Give this block a mutator dialog.
-             * @param {Blockly.Mutator} mutator A mutator dialog instance or null to remove.
-             */
-            setMutator(mutator: Blockly.Mutator): void;
-    
-            /**
-             * Set whether the block is disabled or not.
-             * @param {boolean} disabled True if disabled.
-             * @deprecated May 2019
-             */
-            setDisabled(disabled: boolean): void;
-    
-            /**
-             * Set whether the block is enabled or not.
-             * @param {boolean} enabled True if enabled.
-             */
-            setEnabled(enabled: boolean): void;
-    
-            /**
-             * Set whether the block is highlighted or not.  Block highlighting is
-             * often used to visually mark blocks currently being executed.
-             * @param {boolean} highlighted True if highlighted.
-             */
-            setHighlighted(highlighted: boolean): void;
-    
-            /**
-             * Select this block.  Highlight it visually.
-             */
-            addSelect(): void;
-    
-            /**
-             * Unselect this block.  Remove its highlighting.
-             */
-            removeSelect(): void;
-    
-            /**
-             * Update the cursor over this block by adding or removing a class.
-             * @param {boolean} enable True if the delete cursor should be shown, false
-             *     otherwise.
-             * @package
-             */
-            setDeleteStyle(enable: boolean): void;
-    
-            /**
-             * Get the colour of a block.
-             * @return {string} #RRGGBB string.
-             */
-            getColour(): string;
-    
-            /**
-             * Change the colour of a block.
-             * @param {number|string} colour HSV hue value, or #RRGGBB string.
-             */
-            setColour(colour: number|string): void;
-    
-            /**
-             * Set the style and colour values of a block.
-             * @param {string} blockStyleName Name of the block style
-             * @throws {Error} if the block style does not exist.
-             */
-            setStyle(blockStyleName: string): void;
-    
-            /**
-             * Move this block to the front of the visible workspace.
-             * <g> tags do not respect z-index so SVG renders them in the
-             * order that they are in the DOM.  By placing this block first within the
-             * block group's <g>, it will render on top of any other blocks.
-             * @package
-             */
-            bringToFront(): void;
-    
-            /**
-             * Set whether this block can chain onto the bottom of another block.
-             * @param {boolean} newBoolean True if there can be a previous statement.
-             * @param {(string|Array.<string>|null)=} opt_check Statement type or
-             *     list of statement types.  Null/undefined if any type could be connected.
-             */
-            setPreviousStatement(newBoolean: boolean, opt_check?: string|string[]|any /*null*/): void;
-    
-            /**
-             * Set whether another block can chain onto the bottom of this block.
-             * @param {boolean} newBoolean True if there can be a next statement.
-             * @param {(string|Array.<string>|null)=} opt_check Statement type or
-             *     list of statement types.  Null/undefined if any type could be connected.
-             */
-            setNextStatement(newBoolean: boolean, opt_check?: string|string[]|any /*null*/): void;
-    
-            /**
-             * Set whether this block returns a value.
-             * @param {boolean} newBoolean True if there is an output.
-             * @param {(string|Array.<string>|null)=} opt_check Returned type or list
-             *     of returned types.  Null or undefined if any type could be returned
-             *     (e.g. variable get).
-             */
-            setOutput(newBoolean: boolean, opt_check?: string|string[]|any /*null*/): void;
-    
-            /**
-             * Set whether value inputs are arranged horizontally or vertically.
-             * @param {boolean} newBoolean True if inputs are horizontal.
-             */
-            setInputsInline(newBoolean: boolean): void;
-    
-            /**
-             * Remove an input from this block.
-             * @param {string} name The name of the input.
-             * @param {boolean=} opt_quiet True to prevent error if input is not present.
-             * @return {boolean} True if operation succeeds, false if input is not present and opt_quiet is true
-             * @throws {Error} if the input is not present and
-             *     opt_quiet is not true.
-             */
-            removeInput(name: string, opt_quiet?: boolean): boolean;
-    
-            /**
-             * Move a numbered input to a different location on this block.
-             * @param {number} inputIndex Index of the input to move.
-             * @param {number} refIndex Index of input that should be after the moved input.
-             */
-            moveNumberedInputBefore(inputIndex: number, refIndex: number): void;
-    
-            /**
-             * Sets whether this block's connections are tracked in the database or not.
-             *
-             * Used by the deserializer to be more efficient. Setting a connection's
-             * tracked_ value to false keeps it from adding itself to the db when it
-             * gets its first moveTo call, saving expensive ops for later.
-             * @param {boolean} track If true, start tracking. If false, stop tracking.
-             * @package
-             */
-            setConnectionTracking(track: boolean): void;
-    
-            /**
-             * Returns connections originating from this block.
-             * @param {boolean} all If true, return all connections even hidden ones.
-             *     Otherwise, for a non-rendered block return an empty list, and for a
-             *     collapsed block don't return inputs connections.
-             * @return {!Array.<!Blockly.RenderedConnection>} Array of connections.
-             * @package
-             */
-            getConnections_(all: boolean): Blockly.RenderedConnection[];
-    
-            /**
-             * Create a connection of the specified type.
-             * @param {number} type The type of the connection to create.
-             * @return {!Blockly.RenderedConnection} A new connection of the specified type.
-             * @protected
-             */
-            makeConnection_(type: number): Blockly.RenderedConnection;
-    
-            /**
-             * Bump unconnected blocks out of alignment.  Two blocks which aren't actually
-             * connected should not coincidentally line up on screen.
-             */
-            bumpNeighbours(): void;
-    
-            /**
-             * Schedule snapping to grid and bumping neighbours to occur after a brief
-             * delay.
-             * @package
-             */
-            scheduleSnapAndBump(): void;
-    
-            /**
-             * Position a block so that it doesn't move the target block when connected.
-             * The block to position is usually either the first block in a dragged stack or
-             * an insertion marker.
-             * @param {!Blockly.RenderedConnection} sourceConnection The connection on the
-             *     moving block's stack.
-             * @param {!Blockly.RenderedConnection} targetConnection The connection that
-             *     should stay stationary as this block is positioned.
-             * @package
-             */
-            positionNearConnection(sourceConnection: Blockly.RenderedConnection, targetConnection: Blockly.RenderedConnection): void;
-    
-            /**
-             * Lays out and reflows a block based on its contents and settings.
-             * @param {boolean=} opt_bubble If false, just render this block.
-             *   If true, also render block's parent, grandparent, etc.  Defaults to true.
-             */
-            render(opt_bubble?: boolean): void;
-    
-            /**
-             * Redraw any attached marker or cursor svgs if needed.
-             * @protected
-             */
-            updateMarkers_(): void;
-    
-            /**
-             * Add the cursor svg to this block's svg group.
-             * @param {SVGElement} cursorSvg The svg root of the cursor to be added to the
-             *     block svg group.
-             * @package
-             */
-            setCursorSvg(cursorSvg: SVGElement): void;
-    
-            /**
-             * Add the marker svg to this block's svg group.
-             * @param {SVGElement} markerSvg The svg root of the marker to be added to the
-             *     block svg group.
-             * @package
-             */
-            setMarkerSvg(markerSvg: SVGElement): void;
-    
-            /**
-             * Returns a bounding box describing the dimensions of this block
-             * and any blocks stacked below it.
-             * @return {!{height: number, width: number}} Object with height and width
-             *    properties in workspace units.
-             * @package
-             */
-            getHeightWidth(): { height: number; width: number };
-    
-            /**
-             * Visual effect to show that if the dragging block is dropped, this block will
-             * be replaced.  If a shadow block, it will disappear.  Otherwise it will bump.
-             * @param {boolean} add True if highlighting should be added.
-             * @package
-             */
-            fadeForReplacement(add: boolean): void;
-    
-            /**
-             * Visual effect to show that if the dragging block is dropped it will connect
-             * to this input.
-             * @param {Blockly.Connection} conn The connection on the input to highlight.
-             * @param {boolean} add True if highlighting should be added.
-             * @package
-             */
-            highlightShapeForInput(conn: Blockly.Connection, add: boolean): void;
-    } 
-    
-}
-
-declare module Blockly.BlockSvg {
-
-    /**
-     * Constant for identifying rows that are to be rendered inline.
-     * Don't collide with Blockly.INPUT_VALUE and friends.
-     * @const
-     */
-    var INLINE: any /*missing*/;
-
-    /**
-     * ID to give the "collapsed warnings" warning. Allows us to remove the
-     * "collapsed warnings" warning without removing any warnings that belong to
-     * the block.
-     * @type {string}
-     * @const
-     */
-    var COLLAPSED_WARNING_ID: string;
-}
-
-
-declare module Blockly {
-
-    /**
-     * Blockly core version.
-     * This constant is overridden by the build script (build.py) to the value of the version
-     * in package.json. This is done during the gen_core build step.
-     * For local builds, you can pass --define='Blockly.VERSION=X.Y.Z' to the compiler
-     * to override this constant.
-     * @define {string}
-     */
-    var VERSION: any /*missing*/;
-
-    /**
-     * The main workspace most recently used.
-     * Set by Blockly.WorkspaceSvg.prototype.markFocused
-     * @type {Blockly.Workspace}
-     */
-    var mainWorkspace: Blockly.Workspace;
-
-    /**
-     * Currently selected block.
-     * @type {?Blockly.ICopyable}
-     */
-    var selected: Blockly.ICopyable;
-
-    /**
-     * All of the connections on blocks that are currently being dragged.
-     * @type {!Array.<!Blockly.Connection>}
-     * @package
-     */
-    var draggingConnections: Blockly.Connection[];
-
-    /**
-     * Container element to render the WidgetDiv, DropDownDiv and Tooltip.
-     * @type {?Element}
-     * @package
-     */
-    var parentContainer: Element;
-
-    /**
-     * Blockly opaque event data used to unbind events when using
-     * `Blockly.bindEvent_` and `Blockly.bindEventWithChecks_`.
-     * @typedef {!Array.<!Array>}
-     */
-    interface EventData extends Array<any[]> { }
-
-    /**
-     * Returns the dimensions of the specified SVG image.
-     * @param {!SVGElement} svg SVG image.
-     * @return {!Blockly.utils.Size} Contains width and height properties.
-     */
-    function svgSize(svg: SVGElement): Blockly.utils.Size;
-
-    /**
-     * Size the workspace when the contents change.  This also updates
-     * scrollbars accordingly.
-     * @param {!Blockly.WorkspaceSvg} workspace The workspace to resize.
-     */
-    function resizeSvgContents(workspace: Blockly.WorkspaceSvg): void;
-
-    /**
-     * Size the SVG image to completely fill its container. Call this when the view
-     * actually changes sizes (e.g. on a window resize/device orientation change).
-     * See Blockly.resizeSvgContents to resize the workspace when the contents
-     * change (e.g. when a block is added or removed).
-     * Record the height/width of the SVG image.
-     * @param {!Blockly.WorkspaceSvg} workspace Any workspace in the SVG.
-     */
-    function svgResize(workspace: Blockly.WorkspaceSvg): void;
-
-    /**
-     * Handle a key-down on SVG drawing surface. Does nothing if the main workspace
-     * is not visible.
-     * @param {!KeyboardEvent} e Key down event.
-     * @package
-     */
-    function onKeyDown(e: KeyboardEvent): void;
-
-    /**
-     * Duplicate this block and its children, or a workspace comment.
-     * @param {!Blockly.ICopyable} toDuplicate Block or Workspace Comment to be
-     *     copied.
-     * @package
-     */
-    function duplicate(toDuplicate: Blockly.ICopyable): void;
-
-    /**
-     * Close tooltips, context menus, dropdown selections, etc.
-     * @param {boolean=} opt_allowToolbox If true, don't close the toolbox.
-     */
-    function hideChaff(opt_allowToolbox?: boolean): void;
-
-    /**
-     * Returns the main workspace.  Returns the last used main workspace (based on
-     * focus).  Try not to use this function, particularly if there are multiple
-     * Blockly instances on a page.
-     * @return {!Blockly.Workspace} The main workspace.
-     */
-    function getMainWorkspace(): Blockly.Workspace;
-
-    /**
-     * Wrapper to window.alert() that app developers may override to
-     * provide alternatives to the modal browser window.
-     * @param {string} message The message to display to the user.
-     * @param {function()=} opt_callback The callback when the alert is dismissed.
-     */
-    function alert(message: string, opt_callback?: { (): any /*missing*/ }): void;
-
-    /**
-     * Wrapper to window.confirm() that app developers may override to
-     * provide alternatives to the modal browser window.
-     * @param {string} message The message to display to the user.
-     * @param {!function(boolean)} callback The callback for handling user response.
-     */
-    function confirm(message: string, callback: { (_0: boolean): any /*missing*/ }): void;
-
-    /**
-     * Wrapper to window.prompt() that app developers may override to provide
-     * alternatives to the modal browser window. Built-in browser prompts are
-     * often used for better text input experience on mobile device. We strongly
-     * recommend testing mobile when overriding this.
-     * @param {string} message The message to display to the user.
-     * @param {string} defaultValue The value to initialize the prompt with.
-     * @param {!function(?string)} callback The callback for handling user response.
-     */
-    function prompt(message: string, defaultValue: string, callback: { (_0: string): any /*missing*/ }): void;
-
-    /**
-     * Define blocks from an array of JSON block definitions, as might be generated
-     * by the Blockly Developer Tools.
-     * @param {!Array.<!Object>} jsonArray An array of JSON block definitions.
-     */
-    function defineBlocksWithJsonArray(jsonArray: Object[]): void;
-
-    /**
-     * Bind an event to a function call.  When calling the function, verifies that
-     * it belongs to the touch stream that is currently being processed, and splits
-     * multitouch events into multiple events as needed.
-     * @param {!EventTarget} node Node upon which to listen.
-     * @param {string} name Event name to listen to (e.g. 'mousedown').
-     * @param {Object} thisObject The value of 'this' in the function.
-     * @param {!Function} func Function to call when event is triggered.
-     * @param {boolean=} opt_noCaptureIdentifier True if triggering on this event
-     *     should not block execution of other event handlers on this touch or
-     *     other simultaneous touches.  False by default.
-     * @param {boolean=} opt_noPreventDefault True if triggering on this event
-     *     should prevent the default handler.  False by default.  If
-     *     opt_noPreventDefault is provided, opt_noCaptureIdentifier must also be
-     *     provided.
-     * @return {!Blockly.EventData} Opaque data that can be passed to unbindEvent_.
-     */
-    function bindEventWithChecks_(node: EventTarget, name: string, thisObject: Object, func: Function, opt_noCaptureIdentifier?: boolean, opt_noPreventDefault?: boolean): Blockly.EventData;
-
-    /**
-     * Bind an event to a function call.  Handles multitouch events by using the
-     * coordinates of the first changed touch, and doesn't do any safety checks for
-     * simultaneous event processing.  In most cases prefer is to use
-     * `Blockly.bindEventWithChecks_`.
-     * @param {!EventTarget} node Node upon which to listen.
-     * @param {string} name Event name to listen to (e.g. 'mousedown').
-     * @param {Object} thisObject The value of 'this' in the function.
-     * @param {!Function} func Function to call when event is triggered.
-     * @return {!Blockly.EventData} Opaque data that can be passed to unbindEvent_.
-     */
-    function bindEvent_(node: EventTarget, name: string, thisObject: Object, func: Function): Blockly.EventData;
-
-    /**
-     * Unbind one or more events event from a function call.
-     * @param {!Array.<!Array>} bindData Opaque data from bindEvent_.
-     *     This list is emptied during the course of calling this function.
-     * @return {!Function} The function call.
-     */
-    function unbindEvent_(bindData: any[][]): Function;
-
-    /**
-     * Is the given string a number (includes negative and decimals).
-     * @param {string} str Input string.
-     * @return {boolean} True if number, false otherwise.
-     */
-    function isNumber(str: string): boolean;
-
-    /**
-     * Convert a hue (HSV model) into an RGB hex triplet.
-     * @param {number} hue Hue on a colour wheel (0-360).
-     * @return {string} RGB code, e.g. '#5ba65b'.
-     */
-    function hueToHex(hue: number): string;
-
-    /**
-     * Checks old colour constants are not overwritten by the host application.
-     * If a constant is overwritten, it prints a console warning directing the
-     * developer to use the equivalent Msg constant.
-     * @package
-     */
-    function checkBlockColourConstants(): void;
-
-    /**
-     * Set the parent container.  This is the container element that the WidgetDiv,
-     * DropDownDiv, and Tooltip are rendered into the first time `Blockly.inject`
-     * is called.
-     * This method is a NOP if called after the first ``Blockly.inject``.
-     * @param {!Element} container The container element.
-     */
-    function setParentContainer(container: Element): void;
-}
-
-
-declare module Blockly {
-
-    /**
-     * A mapping of block type names to block prototype objects.
-     * @type {!Object.<string,Object>}
-     */
-    var Blocks: { [key: string]: Object };
-}
-
-
-declare module Blockly {
-
-    class Bubble extends Bubble__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Bubble__Class implements Blockly.IBubble  { 
-    
-            /**
-             * Class for UI bubble.
-             * @param {!Blockly.WorkspaceSvg} workspace The workspace on which to draw the
-             *     bubble.
-             * @param {!Element} content SVG content for the bubble.
-             * @param {Element} shape SVG element to avoid eclipsing.
-             * @param {!Blockly.utils.Coordinate} anchorXY Absolute position of bubble's
-             *     anchor point.
-             * @param {?number} bubbleWidth Width of bubble, or null if not resizable.
-             * @param {?number} bubbleHeight Height of bubble, or null if not resizable.
-             * @implements {Blockly.IBubble}
-             * @constructor
-             */
-            constructor(workspace: Blockly.WorkspaceSvg, content: Element, shape: Element, anchorXY: Blockly.utils.Coordinate, bubbleWidth: number, bubbleHeight: number);
-    
-            /**
-             * Describes whether this bubble has been disposed of (nodes and event
-             * listeners removed from the page) or not.
-             * @type {boolean}
-             * @package
-             */
-            disposed: boolean;
-    
-            /**
-             * Return the root node of the bubble's SVG group.
-             * @return {!SVGElement} The root SVG node of the bubble's group.
-             */
-            getSvgRoot(): SVGElement;
-    
-            /**
-             * Expose the block's ID on the bubble's top-level SVG group.
-             * @param {string} id ID of block.
-             */
-            setSvgId(id: string): void;
-    
-            /**
-             * Show the context menu for this bubble.
-             * @param {!Event} _e Mouse event.
-             * @package
-             */
-            showContextMenu(_e: Event): void;
-    
-            /**
-             * Get whether this bubble is deletable or not.
-             * @return {boolean} True if deletable.
-             * @package
-             */
-            isDeletable(): boolean;
-    
-            /**
-             * Update the style of this bubble when it is dragged over a delete area.
-             * @param {boolean} _enable True if the bubble is about to be deleted, false
-             *     otherwise.
-             */
-            setDeleteStyle(_enable: boolean): void;
-    
-            /**
-             * Register a function as a callback event for when the bubble is resized.
-             * @param {!Function} callback The function to call on resize.
-             */
-            registerResizeEvent(callback: Function): void;
-    
-            /**
-             * Register a function as a callback event for when the bubble is moved.
-             * @param {!Function} callback The function to call on move.
-             */
-            registerMoveEvent(callback: Function): void;
-    
-            /**
-             * Move this bubble to the top of the stack.
-             * @return {boolean} Whether or not the bubble has been moved.
-             * @package
-             */
-            promote(): boolean;
-    
-            /**
-             * Notification that the anchor has moved.
-             * Update the arrow and bubble accordingly.
-             * @param {!Blockly.utils.Coordinate} xy Absolute location.
-             */
-            setAnchorLocation(xy: Blockly.utils.Coordinate): void;
-    
-            /**
-             * Move the bubble group to the specified location in workspace coordinates.
-             * @param {number} x The x position to move to.
-             * @param {number} y The y position to move to.
-             * @package
-             */
-            moveTo(x: number, y: number): void;
-    
-            /**
-             * Triggers a move callback if one exists at the end of a drag.
-             * @param {boolean} adding True if adding, false if removing.
-             * @package
-             */
-            setDragging(adding: boolean): void;
-    
-            /**
-             * Get the dimensions of this bubble.
-             * @return {!Blockly.utils.Size} The height and width of the bubble.
-             */
-            getBubbleSize(): Blockly.utils.Size;
-    
-            /**
-             * Size this bubble.
-             * @param {number} width Width of the bubble.
-             * @param {number} height Height of the bubble.
-             */
-            setBubbleSize(width: number, height: number): void;
-    
-            /**
-             * Change the colour of a bubble.
-             * @param {string} hexColour Hex code of colour.
-             */
-            setColour(hexColour: string): void;
-    
-            /**
-             * Dispose of this bubble.
-             */
-            dispose(): void;
-    
-            /**
-             * Move this bubble during a drag, taking into account whether or not there is
-             * a drag surface.
-             * @param {Blockly.BlockDragSurfaceSvg} dragSurface The surface that carries
-             *     rendered items during a drag, or null if no drag surface is in use.
-             * @param {!Blockly.utils.Coordinate} newLoc The location to translate to, in
-             *     workspace coordinates.
-             * @package
-             */
-            moveDuringDrag(dragSurface: Blockly.BlockDragSurfaceSvg, newLoc: Blockly.utils.Coordinate): void;
-    
-            /**
-             * Return the coordinates of the top-left corner of this bubble's body relative
-             * to the drawing surface's origin (0,0), in workspace units.
-             * @return {!Blockly.utils.Coordinate} Object with .x and .y properties.
-             */
-            getRelativeToSurfaceXY(): Blockly.utils.Coordinate;
-    
-            /**
-             * Set whether auto-layout of this bubble is enabled.  The first time a bubble
-             * is shown it positions itself to not cover any blocks.  Once a user has
-             * dragged it to reposition, it renders where the user put it.
-             * @param {boolean} enable True if auto-layout should be enabled, false
-             *     otherwise.
-             * @package
-             */
-            setAutoLayout(enable: boolean): void;
-    } 
-    
-}
-
-declare module Blockly.Bubble {
-
-    /**
-     * Width of the border around the bubble.
-     */
-    var BORDER_WIDTH: any /*missing*/;
-
-    /**
-     * Determines the thickness of the base of the arrow in relation to the size
-     * of the bubble.  Higher numbers result in thinner arrows.
-     */
-    var ARROW_THICKNESS: any /*missing*/;
-
-    /**
-     * The number of degrees that the arrow bends counter-clockwise.
-     */
-    var ARROW_ANGLE: any /*missing*/;
-
-    /**
-     * The sharpness of the arrow's bend.  Higher numbers result in smoother arrows.
-     */
-    var ARROW_BEND: any /*missing*/;
-
-    /**
-     * Distance between arrow point and anchor point.
-     */
-    var ANCHOR_RADIUS: any /*missing*/;
-}
-
-
-declare module Blockly {
-
-    class BubbleDragger extends BubbleDragger__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class BubbleDragger__Class  { 
-    
-            /**
-             * Class for a bubble dragger.  It moves things on the bubble canvas around the
-             * workspace when they are being dragged by a mouse or touch.  These can be
-             * block comments, mutators, warnings, or workspace comments.
-             * @param {!Blockly.IBubble} bubble The item on the bubble canvas to drag.
-             * @param {!Blockly.WorkspaceSvg} workspace The workspace to drag on.
-             * @constructor
-             */
-            constructor(bubble: Blockly.IBubble, workspace: Blockly.WorkspaceSvg);
-    
-            /**
-             * Sever all links from this object.
-             * @package
-             * @suppress {checkTypes}
-             */
-            dispose(): void;
-    
-            /**
-             * Start dragging a bubble.  This includes moving it to the drag surface.
-             * @package
-             */
-            startBubbleDrag(): void;
-    
-            /**
-             * Execute a step of bubble dragging, based on the given event.  Update the
-             * display accordingly.
-             * @param {!Event} e The most recent move event.
-             * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
-             *     moved from the position at the start of the drag, in pixel units.
-             * @package
-             */
-            dragBubble(e: Event, currentDragDeltaXY: Blockly.utils.Coordinate): void;
-    
-            /**
-             * Finish a bubble drag and put the bubble back on the workspace.
-             * @param {!Event} e The mouseup/touchend event.
-             * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
-             *     moved from the position at the start of the drag, in pixel units.
-             * @package
-             */
-            endBubbleDrag(e: Event, currentDragDeltaXY: Blockly.utils.Coordinate): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class Comment extends Comment__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Comment__Class extends Blockly.Icon__Class  { 
-    
-            /**
-             * Class for a comment.
-             * @param {!Blockly.Block} block The block associated with this comment.
-             * @extends {Blockly.Icon}
-             * @constructor
-             */
-            constructor(block: Blockly.Block);
-    
-            /**
-             * Draw the comment icon.
-             * @param {!Element} group The icon group.
-             * @protected
-             */
-            drawIcon_(group: Element): void;
-    
-            /**
-             * Show or hide the comment bubble.
-             * @param {boolean} visible True if the bubble should be visible.
-             */
-            setVisible(visible: boolean): void;
-    
-            /**
-             * Get the dimensions of this comment's bubble.
-             * @return {Blockly.utils.Size} Object with width and height properties.
-             */
-            getBubbleSize(): Blockly.utils.Size;
-    
-            /**
-             * Size this comment's bubble.
-             * @param {number} width Width of the bubble.
-             * @param {number} height Height of the bubble.
-             */
-            setBubbleSize(width: number, height: number): void;
-    
-            /**
-             * Returns this comment's text.
-             * @return {string} Comment text.
-             * @deprecated August 2019 Use block.getCommentText() instead.
-             */
-            getText(): string;
-    
-            /**
-             * Set this comment's text.
-             *
-             * If you want to receive a comment change event, then this should not be called
-             * directly. Instead call block.setCommentText();
-             * @param {string} text Comment text.
-             * @deprecated August 2019 Use block.setCommentText() instead.
-             */
-            setText(text: string): void;
-    
-            /**
-             * Update the comment's view to match the model.
-             * @package
-             */
-            updateText(): void;
-    
-            /**
-             * Dispose of this comment.
-             *
-             * If you want to receive a comment "delete" event (newValue: null), then this
-             * should not be called directly. Instead call block.setCommentText(null);
-             */
-            dispose(): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class Connection extends Connection__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Connection__Class implements Blockly.IASTNodeLocationWithBlock  { 
-    
-            /**
-             * Class for a connection between blocks.
-             * @param {!Blockly.Block} source The block establishing this connection.
-             * @param {number} type The type of the connection.
-             * @constructor
-             * @implements {Blockly.IASTNodeLocationWithBlock}
-             */
-            constructor(source: Blockly.Block, type: number);
-    
-            /**
-             * @type {!Blockly.Block}
-             * @protected
-             */
-            sourceBlock_: Blockly.Block;
-    
-            /** @type {number} */
-            type: number;
-    
-            /**
-             * Connection this connection connects to.  Null if not connected.
-             * @type {Blockly.Connection}
-             */
-            targetConnection: Blockly.Connection;
-    
-            /**
-             * Has this connection been disposed of?
-             * @type {boolean}
-             * @package
-             */
-            disposed: boolean;
-    
-            /**
-             * Horizontal location of this connection.
-             * @type {number}
-             * @package
-             */
-            x: number;
-    
-            /**
-             * Vertical location of this connection.
-             * @type {number}
-             * @package
-             */
-            y: number;
-    
-            /**
-             * Connect two connections together.  This is the connection on the superior
-             * block.
-             * @param {!Blockly.Connection} childConnection Connection on inferior block.
-             * @protected
-             */
-            connect_(childConnection: Blockly.Connection): void;
-    
-            /**
-             * Dispose of this connection and deal with connected blocks.
-             * @package
-             */
-            dispose(): void;
-    
-            /**
-             * Get the source block for this connection.
-             * @return {!Blockly.Block} The source block.
-             */
-            getSourceBlock(): Blockly.Block;
-    
-            /**
-             * Does the connection belong to a superior block (higher in the source stack)?
-             * @return {boolean} True if connection faces down or right.
-             */
-            isSuperior(): boolean;
-    
-            /**
-             * Is the connection connected?
-             * @return {boolean} True if connection is connected to another connection.
-             */
-            isConnected(): boolean;
-    
-            /**
-             * Checks whether the current connection can connect with the target
-             * connection.
-             * @param {Blockly.Connection} target Connection to check compatibility with.
-             * @return {number} Blockly.Connection.CAN_CONNECT if the connection is legal,
-             *    an error code otherwise.
-             * @deprecated July 2020. Will be deleted July 2021. Use the workspace's
-             *     connectionChecker instead.
-             */
-            canConnectWithReason(target: Blockly.Connection): number;
-    
-            /**
-             * Checks whether the current connection and target connection are compatible
-             * and throws an exception if they are not.
-             * @param {Blockly.Connection} target The connection to check compatibility
-             *    with.
-             * @package
-             * @deprecated July 2020. Will be deleted July 2021. Use the workspace's
-             *     connectionChecker instead.
-             */
-            checkConnection(target: Blockly.Connection): void;
-    
-            /**
-             * Get the workspace's connection type checker object.
-             * @return {!Blockly.IConnectionChecker} The connection type checker for the
-             *     source block's workspace.
-             * @package
-             */
-            getConnectionChecker(): Blockly.IConnectionChecker;
-    
-            /**
-             * Check if the two connections can be dragged to connect to each other.
-             * @param {!Blockly.Connection} candidate A nearby connection to check.
-             * @return {boolean} True if the connection is allowed, false otherwise.
-             * @deprecated July 2020. Will be deleted July 2021. Use the workspace's
-             *     connectionChecker instead.
-             */
-            isConnectionAllowed(candidate: Blockly.Connection): boolean;
-    
-            /**
-             * Behavior after a connection attempt fails.
-             * @param {!Blockly.Connection} _otherConnection Connection that this connection
-             *     failed to connect to.
-             * @package
-             */
-            onFailedConnect(_otherConnection: Blockly.Connection): void;
-    
-            /**
-             * Connect this connection to another connection.
-             * @param {!Blockly.Connection} otherConnection Connection to connect to.
-             */
-            connect(otherConnection: Blockly.Connection): void;
-    
-            /**
-             * Disconnect this connection.
-             */
-            disconnect(): void;
-    
-            /**
-             * Disconnect two blocks that are connected by this connection.
-             * @param {!Blockly.Block} parentBlock The superior block.
-             * @param {!Blockly.Block} childBlock The inferior block.
-             * @protected
-             */
-            disconnectInternal_(parentBlock: Blockly.Block, childBlock: Blockly.Block): void;
-    
-            /**
-             * Respawn the shadow block if there was one connected to the this connection.
-             * @protected
-             */
-            respawnShadow_(): void;
-    
-            /**
-             * Returns the block that this connection connects to.
-             * @return {Blockly.Block} The connected block or null if none is connected.
-             */
-            targetBlock(): Blockly.Block;
-    
-            /**
-             * Is this connection compatible with another connection with respect to the
-             * value type system.  E.g. square_root("Hello") is not compatible.
-             * @param {!Blockly.Connection} otherConnection Connection to compare against.
-             * @return {boolean} True if the connections share a type.
-             * @deprecated July 2020. Will be deleted July 2021. Use the workspace's
-             *     connectionChecker instead.
-             */
-            checkType(otherConnection: Blockly.Connection): boolean;
-    
-            /**
-             * Function to be called when this connection's compatible types have changed.
-             * @protected
-             */
-            onCheckChanged_(): void;
-    
-            /**
-             * Change a connection's compatibility.
-             * @param {?(string|!Array.<string>)} check Compatible value type or list of
-             *     value types. Null if all types are compatible.
-             * @return {!Blockly.Connection} The connection being modified
-             *     (to allow chaining).
-             */
-            setCheck(check: string|string[]): Blockly.Connection;
-    
-            /**
-             * Get a connection's compatibility.
-             * @return {Array} List of compatible value types.
-             *     Null if all types are compatible.
-             * @public
-             */
-            getCheck(): any[];
-    
-            /**
-             * Changes the connection's shadow block.
-             * @param {Element} shadow DOM representation of a block or null.
-             */
-            setShadowDom(shadow: Element): void;
-    
-            /**
-             * Returns the xml representation of the connection's shadow block.
-             * @return {Element} Shadow DOM representation of a block or null.
-             */
-            getShadowDom(): Element;
-    
-            /**
-             * Find all nearby compatible connections to this connection.
-             * Type checking does not apply, since this function is used for bumping.
-             *
-             * Headless configurations (the default) do not have neighboring connection,
-             * and always return an empty list (the default).
-             * {@link Blockly.RenderedConnection} overrides this behavior with a list
-             * computed from the rendered positioning.
-             * @param {number} _maxLimit The maximum radius to another connection.
-             * @return {!Array.<!Blockly.Connection>} List of connections.
-             * @package
-             */
-            neighbours(_maxLimit: number): Blockly.Connection[];
-    
-            /**
-             * Get the parent input of a connection.
-             * @return {Blockly.Input} The input that the connection belongs to or null if
-             *     no parent exists.
-             * @package
-             */
-            getParentInput(): Blockly.Input;
-    
-            /**
-             * This method returns a string describing this Connection in developer terms
-             * (English only). Intended to on be used in console logs and errors.
-             * @return {string} The description.
-             */
-            toString(): string;
-    } 
-    
-}
-
-declare module Blockly.Connection {
-
-    /**
-     * Constants for checking whether two connections are compatible.
-     */
-    var CAN_CONNECT: any /*missing*/;
-
-    /**
-     * Walks down a row a blocks, at each stage checking if there are any
-     * connections that will accept the orphaned block.  If at any point there
-     * are zero or multiple eligible connections, returns null.  Otherwise
-     * returns the only input on the last block in the chain.
-     * Terminates early for shadow blocks.
-     * @param {!Blockly.Block} startBlock The block on which to start the search.
-     * @param {!Blockly.Block} orphanBlock The block that is looking for a home.
-     * @return {Blockly.Connection} The suitable connection point on the chain
-     *     of blocks, or null.
-     * @package
-     */
-    function lastConnectionInRow(startBlock: Blockly.Block, orphanBlock: Blockly.Block): Blockly.Connection;
-}
-
-
-declare module Blockly {
-
-    class ConnectionChecker extends ConnectionChecker__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class ConnectionChecker__Class implements Blockly.IConnectionChecker  { 
-    
-            /**
-             * Class for connection type checking logic.
-             * @implements {Blockly.IConnectionChecker}
-             * @constructor
-             */
-            constructor();
-    
-            /**
-             * Check whether the current connection can connect with the target
-             * connection.
-             * @param {Blockly.Connection} a Connection to check compatibility with.
-             * @param {Blockly.Connection} b Connection to check compatibility with.
-             * @param {boolean} isDragging True if the connection is being made by dragging
-             *     a block.
-             * @param {number=} opt_distance The max allowable distance between the
-             *     connections for drag checks.
-             * @return {boolean} Whether the connection is legal.
-             * @public
-             */
-            canConnect(a: Blockly.Connection, b: Blockly.Connection, isDragging: boolean, opt_distance?: number): boolean;
-    
-            /**
-             * Checks whether the current connection can connect with the target
-             * connection, and return an error code if there are problems.
-             * @param {Blockly.Connection} a Connection to check compatibility with.
-             * @param {Blockly.Connection} b Connection to check compatibility with.
-             * @param {boolean} isDragging True if the connection is being made by dragging
-             *     a block.
-             * @param {number=} opt_distance The max allowable distance between the
-             *     connections for drag checks.
-             * @return {number} Blockly.Connection.CAN_CONNECT if the connection is legal,
-             *    an error code otherwise.
-             * @public
-             */
-            canConnectWithReason(a: Blockly.Connection, b: Blockly.Connection, isDragging: boolean, opt_distance?: number): number;
-    
-            /**
-             * Helper method that translates a connection error code into a string.
-             * @param {number} errorCode The error code.
-             * @param {Blockly.Connection} a One of the two connections being checked.
-             * @param {Blockly.Connection} b The second of the two connections being
-             *     checked.
-             * @return {string} A developer-readable error string.
-             * @public
-             */
-            getErrorMessage(errorCode: number, a: Blockly.Connection, b: Blockly.Connection): string;
-    
-            /**
-             * Check that connecting the given connections is safe, meaning that it would
-             * not break any of Blockly's basic assumptions (e.g. no self connections).
-             * @param {Blockly.Connection} a The first of the connections to check.
-             * @param {Blockly.Connection} b The second of the connections to check.
-             * @return {number} An enum with the reason this connection is safe or unsafe.
-             * @public
-             */
-            doSafetyChecks(a: Blockly.Connection, b: Blockly.Connection): number;
-    
-            /**
-             * Check whether this connection is compatible with another connection with
-             * respect to the value type system.  E.g. square_root("Hello") is not
-             * compatible.
-             * @param {!Blockly.Connection} a Connection to compare.
-             * @param {!Blockly.Connection} b Connection to compare against.
-             * @return {boolean} True if the connections share a type.
-             * @public
-             */
-            doTypeChecks(a: Blockly.Connection, b: Blockly.Connection): boolean;
-    
-            /**
-             * Check whether this connection can be made by dragging.
-             * @param {!Blockly.RenderedConnection} a Connection to compare.
-             * @param {!Blockly.RenderedConnection} b Connection to compare against.
-             * @param {number} distance The maximum allowable distance between connections.
-             * @return {boolean} True if the connection is allowed during a drag.
-             * @public
-             */
-            doDragChecks(a: Blockly.RenderedConnection, b: Blockly.RenderedConnection, distance: number): boolean;
-    
-            /**
-             * Helper function for drag checking.
-             * @param {!Blockly.Connection} a The connection to check, which must be a
-             *     statement input or next connection.
-             * @param {!Blockly.Connection} b A nearby connection to check, which
-             *     must be a previous connection.
-             * @return {boolean} True if the connection is allowed, false otherwise.
-             * @protected
-             */
-            canConnectToPrevious_(a: Blockly.Connection, b: Blockly.Connection): boolean;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class ConnectionDB extends ConnectionDB__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class ConnectionDB__Class  { 
-    
-            /**
-             * Database of connections.
-             * Connections are stored in order of their vertical component.  This way
-             * connections in an area may be looked up quickly using a binary search.
-             * @param {!Blockly.IConnectionChecker} checker The workspace's
-             *     connection type checker, used to decide if connections are valid during a
-             *     drag.
-             * @constructor
-             */
-            constructor(checker: Blockly.IConnectionChecker);
-    
-            /**
-             * Add a connection to the database. Should not already exist in the database.
-             * @param {!Blockly.RenderedConnection} connection The connection to be added.
-             * @param {number} yPos The y position used to decide where to insert the
-             *    connection.
-             * @package
-             */
-            addConnection(connection: Blockly.RenderedConnection, yPos: number): void;
-    
-            /**
-             * Remove a connection from the database.  Must already exist in DB.
-             * @param {!Blockly.RenderedConnection} connection The connection to be removed.
-             * @param {number} yPos The y position used to find the index of the connection.
-             * @throws {Error} If the connection cannot be found in the database.
-             */
-            removeConnection(connection: Blockly.RenderedConnection, yPos: number): void;
-    
-            /**
-             * Find all nearby connections to the given connection.
-             * Type checking does not apply, since this function is used for bumping.
-             * @param {!Blockly.RenderedConnection} connection The connection whose
-             *     neighbours should be returned.
-             * @param {number} maxRadius The maximum radius to another connection.
-             * @return {!Array.<!Blockly.RenderedConnection>} List of connections.
-             */
-            getNeighbours(connection: Blockly.RenderedConnection, maxRadius: number): Blockly.RenderedConnection[];
-    
-            /**
-             * Find the closest compatible connection to this connection.
-             * @param {!Blockly.RenderedConnection} conn The connection searching for a compatible
-             *     mate.
-             * @param {number} maxRadius The maximum radius to another connection.
-             * @param {!Blockly.utils.Coordinate} dxy Offset between this connection's
-             *     location in the database and the current location (as a result of
-             *     dragging).
-             * @return {!{connection: Blockly.RenderedConnection, radius: number}}
-             *     Contains two properties: 'connection' which is either another
-             *     connection or null, and 'radius' which is the distance.
-             */
-            searchForClosest(conn: Blockly.RenderedConnection, maxRadius: number, dxy: Blockly.utils.Coordinate): { connection: Blockly.RenderedConnection; radius: number };
-    } 
-    
-}
-
-declare module Blockly.ConnectionDB {
-
-    /**
-     * Initialize a set of connection DBs for a workspace.
-     * @param {!Blockly.IConnectionChecker} checker The workspace's
-     *     connection checker, used to decide if connections are valid during a drag.
-     * @return {!Array.<!Blockly.ConnectionDB>} Array of databases.
-     */
-    function init(checker: Blockly.IConnectionChecker): Blockly.ConnectionDB[];
-}
-
-
-declare module Blockly {
-
-    /**
-     * The multiplier for scroll wheel deltas using the line delta mode.
-     * @type {number}
-     */
-    var LINE_MODE_MULTIPLIER: number;
-
-    /**
-     * The multiplier for scroll wheel deltas using the page delta mode.
-     * @type {number}
-     */
-    var PAGE_MODE_MULTIPLIER: number;
-
-    /**
-     * Number of pixels the mouse must move before a drag starts.
-     */
-    var DRAG_RADIUS: any /*missing*/;
-
-    /**
-     * Number of pixels the mouse must move before a drag/scroll starts from the
-     * flyout.  Because the drag-intention is determined when this is reached, it is
-     * larger than Blockly.DRAG_RADIUS so that the drag-direction is clearer.
-     */
-    var FLYOUT_DRAG_RADIUS: any /*missing*/;
-
-    /**
-     * Maximum misalignment between connections for them to snap together.
-     */
-    var SNAP_RADIUS: any /*missing*/;
-
-    /**
-     * Maximum misalignment between connections for them to snap together,
-     * when a connection is already highlighted.
-     */
-    var CONNECTING_SNAP_RADIUS: any /*missing*/;
-
-    /**
-     * How much to prefer staying connected to the current connection over moving to
-     * a new connection.  The current previewed connection is considered to be this
-     * much closer to the matching connection on the block than it actually is.
-     */
-    var CURRENT_CONNECTION_PREFERENCE: any /*missing*/;
-
-    /**
-     * Delay in ms between trigger and bumping unconnected block out of alignment.
-     */
-    var BUMP_DELAY: any /*missing*/;
-
-    /**
-     * Maximum randomness in workspace units for bumping a block.
-     */
-    var BUMP_RANDOMNESS: any /*missing*/;
-
-    /**
-     * Number of characters to truncate a collapsed block to.
-     */
-    var COLLAPSE_CHARS: any /*missing*/;
-
-    /**
-     * Length in ms for a touch to become a long press.
-     */
-    var LONGPRESS: any /*missing*/;
-
-    /**
-     * Prevent a sound from playing if another sound preceded it within this many
-     * milliseconds.
-     */
-    var SOUND_LIMIT: any /*missing*/;
-
-    /**
-     * When dragging a block out of a stack, split the stack in two (true), or drag
-     * out the block healing the stack (false).
-     */
-    var DRAG_STACK: any /*missing*/;
-
-    /**
-     * The richness of block colours, regardless of the hue.
-     * Must be in the range of 0 (inclusive) to 1 (exclusive).
-     */
-    var HSV_SATURATION: any /*missing*/;
-
-    /**
-     * The intensity of block colours, regardless of the hue.
-     * Must be in the range of 0 (inclusive) to 1 (exclusive).
-     */
-    var HSV_VALUE: any /*missing*/;
-
-    /**
-     * Sprited icons and images.
-     */
-    var SPRITE: any /*missing*/;
-
-    /**
-     * ENUM for a right-facing value input.  E.g. 'set item to' or 'return'.
-     * @const
-     */
-    var INPUT_VALUE: any /*missing*/;
-
-    /**
-     * ENUM for a left-facing value output.  E.g. 'random fraction'.
-     * @const
-     */
-    var OUTPUT_VALUE: any /*missing*/;
-
-    /**
-     * ENUM for a down-facing block stack.  E.g. 'if-do' or 'else'.
-     * @const
-     */
-    var NEXT_STATEMENT: any /*missing*/;
-
-    /**
-     * ENUM for an up-facing block stack.  E.g. 'break out of loop'.
-     * @const
-     */
-    var PREVIOUS_STATEMENT: any /*missing*/;
-
-    /**
-     * ENUM for an dummy input.  Used to add field(s) with no input.
-     * @const
-     */
-    var DUMMY_INPUT: any /*missing*/;
-
-    /**
-     * ENUM for left alignment.
-     * @const
-     */
-    var ALIGN_LEFT: any /*missing*/;
-
-    /**
-     * ENUM for centre alignment.
-     * @const
-     */
-    var ALIGN_CENTRE: any /*missing*/;
-
-    /**
-     * ENUM for right alignment.
-     * @const
-     */
-    var ALIGN_RIGHT: any /*missing*/;
-
-    /**
-     * ENUM for no drag operation.
-     * @const
-     */
-    var DRAG_NONE: any /*missing*/;
-
-    /**
-     * ENUM for inside the sticky DRAG_RADIUS.
-     * @const
-     */
-    var DRAG_STICKY: any /*missing*/;
-
-    /**
-     * ENUM for inside the non-sticky DRAG_RADIUS, for differentiating between
-     * clicks and drags.
-     * @const
-     */
-    var DRAG_BEGIN: any /*missing*/;
-
-    /**
-     * ENUM for freely draggable (outside the DRAG_RADIUS, if one applies).
-     * @const
-     */
-    var DRAG_FREE: any /*missing*/;
-
-    /**
-     * Lookup table for determining the opposite type of a connection.
-     * @const
-     */
-    var OPPOSITE_TYPE: any /*missing*/;
-
-    /**
-     * ENUM for toolbox and flyout at top of screen.
-     * @const
-     */
-    var TOOLBOX_AT_TOP: any /*missing*/;
-
-    /**
-     * ENUM for toolbox and flyout at bottom of screen.
-     * @const
-     */
-    var TOOLBOX_AT_BOTTOM: any /*missing*/;
-
-    /**
-     * ENUM for toolbox and flyout at left of screen.
-     * @const
-     */
-    var TOOLBOX_AT_LEFT: any /*missing*/;
-
-    /**
-     * ENUM for toolbox and flyout at right of screen.
-     * @const
-     */
-    var TOOLBOX_AT_RIGHT: any /*missing*/;
-
-    /**
-     * ENUM representing that an event is not in any delete areas.
-     * Null for backwards compatibility reasons.
-     * @const
-     */
-    var DELETE_AREA_NONE: any /*missing*/;
-
-    /**
-     * ENUM representing that an event is in the delete area of the trash can.
-     * @const
-     */
-    var DELETE_AREA_TRASH: any /*missing*/;
-
-    /**
-     * ENUM representing that an event is in the delete area of the toolbox or
-     * flyout.
-     * @const
-     */
-    var DELETE_AREA_TOOLBOX: any /*missing*/;
-
-    /**
-     * String for use in the "custom" attribute of a category in toolbox XML.
-     * This string indicates that the category should be dynamically populated with
-     * variable blocks.
-     * @const {string}
-     */
-    var VARIABLE_CATEGORY_NAME: any /*missing*/;
-
-    /**
-     * String for use in the "custom" attribute of a category in toolbox XML.
-     * This string indicates that the category should be dynamically populated with
-     * variable blocks.
-     * @const {string}
-     */
-    var VARIABLE_DYNAMIC_CATEGORY_NAME: any /*missing*/;
-
-    /**
-     * String for use in the "custom" attribute of a category in toolbox XML.
-     * This string indicates that the category should be dynamically populated with
-     * procedure blocks.
-     * @const {string}
-     */
-    var PROCEDURE_CATEGORY_NAME: any /*missing*/;
-
-    /**
-     * String for use in the dropdown created in field_variable.
-     * This string indicates that this option in the dropdown is 'Rename
-     * variable...' and if selected, should trigger the prompt to rename a variable.
-     * @const {string}
-     */
-    var RENAME_VARIABLE_ID: any /*missing*/;
-
-    /**
-     * String for use in the dropdown created in field_variable.
-     * This string indicates that this option in the dropdown is 'Delete the "%1"
-     * variable' and if selected, should trigger the prompt to delete a variable.
-     * @const {string}
-     */
-    var DELETE_VARIABLE_ID: any /*missing*/;
-}
-
-
-declare module Blockly.ContextMenu {
-
-    /**
-     * Which block is the context menu attached to?
-     * @type {Blockly.Block}
-     */
-    var currentBlock: Blockly.Block;
-
-    /**
-     * Construct the menu based on the list of options and show the menu.
-     * @param {!Event} e Mouse event.
-     * @param {!Array.<!Object>} options Array of menu options.
-     * @param {boolean} rtl True if RTL, false if LTR.
-     */
-    function show(e: Event, options: Object[], rtl: boolean): void;
-
-    /**
-     * Hide the context menu.
-     */
-    function hide(): void;
-
-    /**
-     * Dispose of the menu.
-     */
-    function dispose(): void;
-
-    /**
-     * Create a callback function that creates and configures a block,
-     *   then places the new block next to the original.
-     * @param {!Blockly.Block} block Original block.
-     * @param {!Element} xml XML representation of new block.
-     * @return {!Function} Function that creates a block.
-     */
-    function callbackFactory(block: Blockly.Block, xml: Element): Function;
-
-    /**
-     * Make a context menu option for deleting the current workspace comment.
-     * @param {!Blockly.WorkspaceCommentSvg} comment The workspace comment where the
-     *     right-click originated.
-     * @return {!Object} A menu option, containing text, enabled, and a callback.
-     * @package
-     */
-    function commentDeleteOption(comment: Blockly.WorkspaceCommentSvg): Object;
-
-    /**
-     * Make a context menu option for duplicating the current workspace comment.
-     * @param {!Blockly.WorkspaceCommentSvg} comment The workspace comment where the
-     *     right-click originated.
-     * @return {!Object} A menu option, containing text, enabled, and a callback.
-     * @package
-     */
-    function commentDuplicateOption(comment: Blockly.WorkspaceCommentSvg): Object;
-
-    /**
-     * Make a context menu option for adding a comment on the workspace.
-     * @param {!Blockly.WorkspaceSvg} ws The workspace where the right-click
-     *     originated.
-     * @param {!Event} e The right-click mouse event.
-     * @return {!Object} A menu option, containing text, enabled, and a callback.
-     * @package
-     * @suppress {strictModuleDepCheck,checkTypes} Suppress checks while workspace
-     *     comments are not bundled in.
-     */
-    function workspaceCommentOption(ws: Blockly.WorkspaceSvg, e: Event): Object;
-}
-
-
-declare module Blockly.ContextMenuItems {
-
-    /** Option to undo previous action. */
-    function registerUndo(): void;
-
-    /** Option to redo previous action. */
-    function registerRedo(): void;
-
-    /** Option to clean up blocks. */
-    function registerCleanup(): void;
-
-    /** Option to collapse all blocks. */
-    function registerCollapse(): void;
-
-    /** Option to expand all blocks. */
-    function registerExpand(): void;
-
-    /** Option to delete all blocks. */
-    function registerDeleteAll(): void;
-
-    /** Option to duplicate a block. */
-    function registerDuplicate(): void;
-
-    /** Option to add or remove block-level comment. */
-    function registerComment(): void;
-
-    /** Option to inline variables. */
-    function registerInline(): void;
-
-    /** Option to collapse or expand a block. */
-    function registerCollapseExpandBlock(): void;
-
-    /** Option to disable or enable a block. */
-    function registerDisable(): void;
-
-    /** Option to delete a block. */
-    function registerDelete(): void;
-
-    /** Option to open help for a block. */
-    function registerHelp(): void;
-
-    /**
-     * Registers all default context menu items. This should be called once per instance of
-     * ContextMenuRegistry.
-     * @package
-     */
-    function registerDefaultOptions(): void;
-}
-
-
-declare module Blockly {
-
-    class ContextMenuRegistry extends ContextMenuRegistry__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class ContextMenuRegistry__Class  { 
-    
-            /**
-             * Class for the registry of context menu items. This is intended to be a singleton. You should
-             * not create a new instance, and only access this class from Blockly.ContextMenuRegistry.registry.
-             * @constructor
-             */
-            constructor();
-    
-            /**
-             * Registers a RegistryItem.
-             * @param {!Blockly.ContextMenuRegistry.RegistryItem} item Context menu item to register.
-             * @throws {Error} if an item with the given id already exists.
-             */
-            register(item: Blockly.ContextMenuRegistry.RegistryItem): void;
-    
-            /**
-             * Unregisters a RegistryItem with the given id.
-             * @param {string} id The id of the RegistryItem to remove.
-             * @throws {Error} if an item with the given id does not exist.
-             */
-            unregister(id: string): void;
-    
-            /**
-             * @param {string} id The id of the RegistryItem to get.
-             * @returns {?Blockly.ContextMenuRegistry.RegistryItem} RegistryItem or null if not found
-             */
-            getItem(id: string): Blockly.ContextMenuRegistry.RegistryItem;
-    
-            /**
-             * Gets the valid context menu options for the given scope type (e.g. block or workspace) and scope.
-             * Blocks are only shown if the preconditionFn shows they should not be hidden.
-             * @param {!Blockly.ContextMenuRegistry.ScopeType} scopeType Type of scope where menu should be
-             *     shown (e.g. on a block or on a workspace)
-             * @param {!Blockly.ContextMenuRegistry.Scope} scope Current scope of context menu
-             *     (i.e., the exact workspace or block being clicked on)
-             * @returns {!Array.<!Blockly.ContextMenuRegistry.ContextMenuOption>} the list of ContextMenuOptions
-             */
-            getContextMenuOptions(scopeType: Blockly.ContextMenuRegistry.ScopeType, scope: Blockly.ContextMenuRegistry.Scope): Blockly.ContextMenuRegistry.ContextMenuOption[];
-    } 
-    
-}
-
-declare module Blockly.ContextMenuRegistry {
-
-    /**
-     * Where this menu item should be rendered. If the menu item should be rendered in multiple
-     * scopes, e.g. on both a block and a workspace, it should be registered for each scope.
-     * @enum {string}
-     */
-    enum ScopeType { BLOCK, WORKSPACE } 
-
-    /**
-     * The actual workspace/block where the menu is being rendered. This is passed to callback and
-     * displayText functions that depend on this information.
-     * @typedef {{
-     *    block: (Blockly.BlockSvg|undefined),
-     *    workspace: (Blockly.WorkspaceSvg|undefined)
-     * }}
-     */
-    interface Scope {
-        block: Blockly.BlockSvg|any /*undefined*/;
-        workspace: Blockly.WorkspaceSvg|any /*undefined*/
-    }
-
-    /**
-     * A menu item as entered in the registry.
-     * @typedef {{
-     *    callback: function(!Blockly.ContextMenuRegistry.Scope),
-     *    scopeType: !Blockly.ContextMenuRegistry.ScopeType,
-     *    displayText: ((function(!Blockly.ContextMenuRegistry.Scope):string)|string),
-     *    preconditionFn: function(!Blockly.ContextMenuRegistry.Scope):string,
-     *    weight: number,
-     *    id: string
-     * }}
-    */
-    interface RegistryItem {
-        callback: { (_0: Blockly.ContextMenuRegistry.Scope): any /*missing*/ };
-        scopeType: Blockly.ContextMenuRegistry.ScopeType;
-        displayText: { (_0: Blockly.ContextMenuRegistry.Scope): string }|string;
-        preconditionFn: { (_0: Blockly.ContextMenuRegistry.Scope): string };
-        weight: number;
-        id: string
-    }
-
-    /**
-     * A menu item as presented to contextmenu.js.
-     * @typedef {{
-     *    text: string,
-     *    enabled: boolean,
-     *    callback: function(!Blockly.ContextMenuRegistry.Scope),
-     *    scope: !Blockly.ContextMenuRegistry.Scope,
-     *    weight: number
-     * }}
-     */
-    interface ContextMenuOption {
-        text: string;
-        enabled: boolean;
-        callback: { (_0: Blockly.ContextMenuRegistry.Scope): any /*missing*/ };
-        scope: Blockly.ContextMenuRegistry.Scope;
-        weight: number
-    }
-
-    /**
-     * Singleton instance of this class. All interactions with this class should be done on this object.
-     * @type {?Blockly.ContextMenuRegistry}
-     */
-    var registry: Blockly.ContextMenuRegistry;
-}
-
-
-declare module Blockly.Css {
-
-    /**
-     * Add some CSS to the blob that will be injected later.  Allows optional
-     * components such as fields and the toolbox to store separate CSS.
-     * The provided array of CSS will be destroyed by this function.
-     * @param {!Array.<string>} cssArray Array of CSS strings.
-     */
-    function register(cssArray: string[]): void;
-
-    /**
-     * Inject the CSS into the DOM.  This is preferable over using a regular CSS
-     * file since:
-     * a) It loads synchronously and doesn't force a redraw later.
-     * b) It speeds up loading by not blocking on a separate HTTP transfer.
-     * c) The CSS content may be made dynamic depending on init options.
-     * @param {boolean} hasCss If false, don't inject CSS
-     *     (providing CSS becomes the document's responsibility).
-     * @param {string} pathToMedia Path from page to the Blockly media directory.
-     */
-    function inject(hasCss: boolean, pathToMedia: string): void;
-
-    /**
-     * Array making up the CSS content for Blockly.
-     */
-    var CONTENT: any /*missing*/;
-}
-
-
-declare module Blockly {
-
-    class DropDownDiv extends DropDownDiv__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class DropDownDiv__Class  { 
-    
-            /**
-             * Class for drop-down div.
-             * @constructor
-             * @package
-             */
-            constructor();
-    } 
-    
-}
-
-declare module Blockly.DropDownDiv {
-
-    /**
-     * Arrow size in px. Should match the value in CSS
-     * (need to position pre-render).
-     * @type {number}
-     * @const
-     */
-    var ARROW_SIZE: number;
-
-    /**
-     * Drop-down border size in px. Should match the value in CSS (need to position
-     * the arrow).
-     * @type {number}
-     * @const
-     */
-    var BORDER_SIZE: number;
-
-    /**
-     * Amount the arrow must be kept away from the edges of the main drop-down div,
-     * in px.
-     * @type {number}
-     * @const
-     */
-    var ARROW_HORIZONTAL_PADDING: number;
-
-    /**
-     * Amount drop-downs should be padded away from the source, in px.
-     * @type {number}
-     * @const
-     */
-    var PADDING_Y: number;
-
-    /**
-     * Length of animations in seconds.
-     * @type {number}
-     * @const
-     */
-    var ANIMATION_TIME: number;
-
-    /**
-     * Dropdown bounds info object used to encapsulate sizing information about a
-     * bounding element (bounding box and width/height).
-     * @typedef {{
-     *        top:number,
-     *        left:number,
-     *        bottom:number,
-     *        right:number,
-     *        width:number,
-     *        height:number
-     * }}
-     */
-    interface BoundsInfo {
-        top: number;
-        left: number;
-        bottom: number;
-        right: number;
-        width: number;
-        height: number
-    }
-
-    /**
-     * Dropdown position metrics.
-     * @typedef {{
-     *        initialX:number,
-     *        initialY:number,
-     *        finalX:number,
-     *        finalY:number,
-     *        arrowX:?number,
-     *        arrowY:?number,
-     *        arrowAtTop:?boolean,
-     *        arrowVisible:boolean
-     * }}
-     */
-    interface PositionMetrics {
-        initialX: number;
-        initialY: number;
-        finalX: number;
-        finalY: number;
-        arrowX: number;
-        arrowY: number;
-        arrowAtTop: boolean;
-        arrowVisible: boolean
-    }
-
-    /**
-     * Create and insert the DOM element for this div.
-     * @package
-     */
-    function createDom(): void;
-
-    /**
-     * Set an element to maintain bounds within. Drop-downs will appear
-     * within the box of this element if possible.
-     * @param {Element} boundsElement Element to bind drop-down to.
-     */
-    function setBoundsElement(boundsElement: Element): void;
-
-    /**
-     * Provide the div for inserting content into the drop-down.
-     * @return {!Element} Div to populate with content.
-     */
-    function getContentDiv(): Element;
-
-    /**
-     * Clear the content of the drop-down.
-     */
-    function clearContent(): void;
-
-    /**
-     * Set the colour for the drop-down.
-     * @param {string} backgroundColour Any CSS colour for the background.
-     * @param {string} borderColour Any CSS colour for the border.
-     */
-    function setColour(backgroundColour: string, borderColour: string): void;
-
-    /**
-     * Shortcut to show and place the drop-down with positioning determined
-     * by a particular block. The primary position will be below the block,
-     * and the secondary position above the block. Drop-down will be
-     * constrained to the block's workspace.
-     * @param {!Blockly.Field} field The field showing the drop-down.
-     * @param {!Blockly.BlockSvg} block Block to position the drop-down around.
-     * @param {Function=} opt_onHide Optional callback for when the drop-down is
-     *   hidden.
-     * @param {number=} opt_secondaryYOffset Optional Y offset for above-block
-     *   positioning.
-     * @return {boolean} True if the menu rendered below block; false if above.
-     */
-    function showPositionedByBlock(field: Blockly.Field, block: Blockly.BlockSvg, opt_onHide?: Function, opt_secondaryYOffset?: number): boolean;
-
-    /**
-     * Shortcut to show and place the drop-down with positioning determined
-     * by a particular field. The primary position will be below the field,
-     * and the secondary position above the field. Drop-down will be
-     * constrained to the block's workspace.
-     * @param {!Blockly.Field} field The field to position the dropdown against.
-     * @param {Function=} opt_onHide Optional callback for when the drop-down is
-     *   hidden.
-     * @param {number=} opt_secondaryYOffset Optional Y offset for above-block
-     *   positioning.
-     * @return {boolean} True if the menu rendered below block; false if above.
-     */
-    function showPositionedByField(field: Blockly.Field, opt_onHide?: Function, opt_secondaryYOffset?: number): boolean;
-
-    /**
-     * Show and place the drop-down.
-     * The drop-down is placed with an absolute "origin point" (x, y) - i.e.,
-     * the arrow will point at this origin and box will positioned below or above
-     * it.  If we can maintain the container bounds at the primary point, the arrow
-     * will point there, and the container will be positioned below it.
-     * If we can't maintain the container bounds at the primary point, fall-back to
-     * the secondary point and position above.
-     * @param {Object} owner The object showing the drop-down
-     * @param {boolean} rtl Right-to-left (true) or left-to-right (false).
-     * @param {number} primaryX Desired origin point x, in absolute px.
-     * @param {number} primaryY Desired origin point y, in absolute px.
-     * @param {number} secondaryX Secondary/alternative origin point x, in absolute
-     *     px.
-     * @param {number} secondaryY Secondary/alternative origin point y, in absolute
-     *     px.
-     * @param {Function=} opt_onHide Optional callback for when the drop-down is
-     *     hidden.
-     * @return {boolean} True if the menu rendered at the primary origin point.
-     * @package
-     */
-    function show(owner: Object, rtl: boolean, primaryX: number, primaryY: number, secondaryX: number, secondaryY: number, opt_onHide?: Function): boolean;
-
-    /**
-     * Get the x positions for the left side of the DropDownDiv and the arrow,
-     * accounting for the bounds of the workspace.
-     * @param {number} sourceX Desired origin point x, in absolute px.
-     * @param {number} boundsLeft The left edge of the bounding element, in
-     *    absolute px.
-     * @param {number} boundsRight The right edge of the bounding element, in
-     *    absolute px.
-     * @param {number} divWidth The width of the div in px.
-     * @return {{divX: number, arrowX: number}} An object containing metrics for
-     *    the x positions of the left side of the DropDownDiv and the arrow.
-     * @package
-     */
-    function getPositionX(sourceX: number, boundsLeft: number, boundsRight: number, divWidth: number): { divX: number; arrowX: number };
-
-    /**
-     * Is the container visible?
-     * @return {boolean} True if visible.
-     */
-    function isVisible(): boolean;
-
-    /**
-     * Hide the menu only if it is owned by the provided object.
-     * @param {Object} owner Object which must be owning the drop-down to hide.
-     * @param {boolean=} opt_withoutAnimation True if we should hide the dropdown
-     *     without animating.
-     * @return {boolean} True if hidden.
-     */
-    function hideIfOwner(owner: Object, opt_withoutAnimation?: boolean): boolean;
-
-    /**
-     * Hide the menu, triggering animation.
-     */
-    function hide(): void;
-
-    /**
-     * Hide the menu, without animation.
-     */
-    function hideWithoutAnimation(): void;
-
-    /**
-     * Repositions the dropdownDiv on window resize. If it doesn't know how to
-     * calculate the new position, it will just hide it instead.
-     * @package
-     */
-    function repositionForWindowResize(): void;
-}
-
-
-declare module Blockly.Events {
-
-    /**
-     * Sets whether the next event should be added to the undo stack.
-     * @type {boolean}
-     */
-    var recordUndo: boolean;
-
-    /**
-     * Name of event that creates a block. Will be deprecated for BLOCK_CREATE.
-     * @const
-     */
-    var CREATE: any /*missing*/;
-
-    /**
-     * Name of event that creates a block.
-     * @const
-     */
-    var BLOCK_CREATE: any /*missing*/;
-
-    /**
-     * Name of event that deletes a block. Will be deprecated for BLOCK_DELETE.
-     * @const
-     */
-    var DELETE: any /*missing*/;
-
-    /**
-     * Name of event that deletes a block.
-     * @const
-     */
-    var BLOCK_DELETE: any /*missing*/;
-
-    /**
-     * Name of event that changes a block. Will be deprecated for BLOCK_CHANGE.
-     * @const
-     */
-    var CHANGE: any /*missing*/;
-
-    /**
-     * Name of event that changes a block.
-     * @const
-     */
-    var BLOCK_CHANGE: any /*missing*/;
-
-    /**
-     * Name of event that moves a block. Will be deprecated for BLOCK_MOVE.
-     * @const
-     */
-    var MOVE: any /*missing*/;
-
-    /**
-     * Name of event that moves a block.
-     * @const
-     */
-    var BLOCK_MOVE: any /*missing*/;
-
-    /**
-     * Name of event that creates a variable.
-     * @const
-     */
-    var VAR_CREATE: any /*missing*/;
-
-    /**
-     * Name of event that deletes a variable.
-     * @const
-     */
-    var VAR_DELETE: any /*missing*/;
-
-    /**
-     * Name of event that renames a variable.
-     * @const
-     */
-    var VAR_RENAME: any /*missing*/;
-
-    /**
-     * Name of event that records a UI change.
-     * @const
-     */
-    var UI: any /*missing*/;
-
-    /**
-     * Name of event that creates a comment.
-     * @const
-     */
-    var COMMENT_CREATE: any /*missing*/;
-
-    /**
-     * Name of event that deletes a comment.
-     * @const
-     */
-    var COMMENT_DELETE: any /*missing*/;
-
-    /**
-     * Name of event that changes a comment.
-     * @const
-     */
-    var COMMENT_CHANGE: any /*missing*/;
-
-    /**
-     * Name of event that moves a comment.
-     * @const
-     */
-    var COMMENT_MOVE: any /*missing*/;
-
-    /**
-     * Name of event that records a workspace load.
-     */
-    var FINISHED_LOADING: any /*missing*/;
-
-    /**
-     * List of events that cause objects to be bumped back into the visible
-     * portion of the workspace (only used for non-movable workspaces).
-     *
-     * Not to be confused with bumping so that disconnected connections to do
-     * not appear connected.
-     * @const
-     */
-    var BUMP_EVENTS: any /*missing*/;
-
-    /**
-     * Create a custom event and fire it.
-     * @param {!Blockly.Events.Abstract} event Custom data for event.
-     */
-    function fire(event: Blockly.Events.Abstract): void;
-
-    /**
-     * Filter the queued events and merge duplicates.
-     * @param {!Array.<!Blockly.Events.Abstract>} queueIn Array of events.
-     * @param {boolean} forward True if forward (redo), false if backward (undo).
-     * @return {!Array.<!Blockly.Events.Abstract>} Array of filtered events.
-     */
-    function filter(queueIn: Blockly.Events.Abstract[], forward: boolean): Blockly.Events.Abstract[];
-
-    /**
-     * Modify pending undo events so that when they are fired they don't land
-     * in the undo stack.  Called by Blockly.Workspace.clearUndo.
-     */
-    function clearPendingUndo(): void;
-
-    /**
-     * Stop sending events.  Every call to this function MUST also call enable.
-     */
-    function disable(): void;
-
-    /**
-     * Start sending events.  Unless events were already disabled when the
-     * corresponding call to disable was made.
-     */
-    function enable(): void;
-
-    /**
-     * Returns whether events may be fired or not.
-     * @return {boolean} True if enabled.
-     */
-    function isEnabled(): boolean;
-
-    /**
-     * Current group.
-     * @return {string} ID string.
-     */
-    function getGroup(): string;
-
-    /**
-     * Start or stop a group.
-     * @param {boolean|string} state True to start new group, false to end group.
-     *   String to set group explicitly.
-     */
-    function setGroup(state: boolean|string): void;
-
-    /**
-     * Compute a list of the IDs of the specified block and all its descendants.
-     * @param {!Blockly.Block} block The root block.
-     * @return {!Array.<string>} List of block IDs.
-     * @package
-     */
-    function getDescendantIds(block: Blockly.Block): string[];
-
-    /**
-     * Decode the JSON into an event.
-     * @param {!Object} json JSON representation.
-     * @param {!Blockly.Workspace} workspace Target workspace for event.
-     * @return {!Blockly.Events.Abstract} The event represented by the JSON.
-     * @throws {Error} if an event type is not found in the registry.
-     */
-    function fromJson(json: Object, workspace: Blockly.Workspace): Blockly.Events.Abstract;
-
-    /**
-     * Enable/disable a block depending on whether it is properly connected.
-     * Use this on applications where all blocks should be connected to a top block.
-     * Recommend setting the 'disable' option to 'false' in the config so that
-     * users don't try to re-enable disabled orphan blocks.
-     * @param {!Blockly.Events.Abstract} event Custom data for event.
-     */
-    function disableOrphans(event: Blockly.Events.Abstract): void;
-}
-
-
-declare module Blockly.Events {
-
-    class Abstract extends Abstract__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Abstract__Class  { 
-    
-            /**
-             * Abstract class for an event.
-             * @constructor
-             */
-            constructor();
-    
-            /**
-             * Whether or not the event is blank (to be populated by fromJson).
-             * @type {?boolean}
-             */
-            isBlank: boolean;
-    
-            /**
-             * The workspace identifier for this event.
-             * @type {string|undefined}
-             */
-            workspaceId: string|any /*undefined*/;
-    
-            /**
-             * The event group id for the group this event belongs to. Groups define
-             * events that should be treated as an single action from the user's
-             * perspective, and should be undone together.
-             * @type {string}
-             */
-            group: string;
-    
-            /**
-             * Sets whether the event should be added to the undo stack.
-             * @type {boolean}
-             */
-            recordUndo: boolean;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    
-            /**
-             * Does this event record any change of state?
-             * @return {boolean} True if null, false if something changed.
-             */
-            isNull(): boolean;
-    
-            /**
-             * Run an event.
-             * @param {boolean} _forward True if run forward, false if run backward (undo).
-             */
-            run(_forward: boolean): void;
-    
-            /**
-             * Get workspace the event belongs to.
-             * @return {!Blockly.Workspace} The workspace the event belongs to.
-             * @throws {Error} if workspace is null.
-             * @protected
-             */
-            getEventWorkspace_(): Blockly.Workspace;
-    } 
-    
-}
-
-
-declare module Blockly.Extensions {
-
-    /**
-     * Registers a new extension function. Extensions are functions that help
-     * initialize blocks, usually adding dynamic behavior such as onchange
-     * handlers and mutators. These are applied using Block.applyExtension(), or
-     * the JSON "extensions" array attribute.
-     * @param {string} name The name of this extension.
-     * @param {Function} initFn The function to initialize an extended block.
-     * @throws {Error} if the extension name is empty, the extension is already
-     *     registered, or extensionFn is not a function.
-     */
-    function register(name: string, initFn: Function): void;
-
-    /**
-     * Registers a new extension function that adds all key/value of mixinObj.
-     * @param {string} name The name of this extension.
-     * @param {!Object} mixinObj The values to mix in.
-     * @throws {Error} if the extension name is empty or the extension is already
-     *     registered.
-     */
-    function registerMixin(name: string, mixinObj: Object): void;
-
-    /**
-     * Registers a new extension function that adds a mutator to the block.
-     * At register time this performs some basic sanity checks on the mutator.
-     * The wrapper may also add a mutator dialog to the block, if both compose and
-     * decompose are defined on the mixin.
-     * @param {string} name The name of this mutator extension.
-     * @param {!Object} mixinObj The values to mix in.
-     * @param {(function())=} opt_helperFn An optional function to apply after
-     *     mixing in the object.
-     * @param {!Array.<string>=} opt_blockList A list of blocks to appear in the
-     *     flyout of the mutator dialog.
-     * @throws {Error} if the mutation is invalid or can't be applied to the block.
-     */
-    function registerMutator(name: string, mixinObj: Object, opt_helperFn?: { (): any /*missing*/ }, opt_blockList?: string[]): void;
-
-    /**
-     * Unregisters the extension registered with the given name.
-     * @param {string} name The name of the extension to unregister.
-     */
-    function unregister(name: string): void;
-
-    /**
-     * Applies an extension method to a block. This should only be called during
-     * block construction.
-     * @param {string} name The name of the extension.
-     * @param {!Blockly.Block} block The block to apply the named extension to.
-     * @param {boolean} isMutator True if this extension defines a mutator.
-     * @throws {Error} if the extension is not found.
-     */
-    function apply(name: string, block: Blockly.Block, isMutator: boolean): void;
-
-    /**
-     * Builds an extension function that will map a dropdown value to a tooltip
-     * string.
-     *
-     * This method includes multiple checks to ensure tooltips, dropdown options,
-     * and message references are aligned. This aims to catch errors as early as
-     * possible, without requiring developers to manually test tooltips under each
-     * option. After the page is loaded, each tooltip text string will be checked
-     * for matching message keys in the internationalized string table. Deferring
-     * this until the page is loaded decouples loading dependencies. Later, upon
-     * loading the first block of any given type, the extension will validate every
-     * dropdown option has a matching tooltip in the lookupTable.  Errors are
-     * reported as warnings in the console, and are never fatal.
-     * @param {string} dropdownName The name of the field whose value is the key
-     *     to the lookup table.
-     * @param {!Object.<string, string>} lookupTable The table of field values to
-     *     tooltip text.
-     * @return {!Function} The extension function.
-     */
-    function buildTooltipForDropdown(dropdownName: string, lookupTable: { [key: string]: string }): Function;
-
-    /**
-     * Builds an extension function that will install a dynamic tooltip. The
-     * tooltip message should include the string '%1' and that string will be
-     * replaced with the text of the named field.
-     * @param {string} msgTemplate The template form to of the message text, with
-     *     %1 placeholder.
-     * @param {string} fieldName The field with the replacement text.
-     * @return {!Function} The extension function.
-     */
-    function buildTooltipWithFieldText(msgTemplate: string, fieldName: string): Function;
-}
-
-
-declare module Blockly {
-
-    class Field extends Field__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Field__Class implements Blockly.IASTNodeLocationSvg, Blockly.IASTNodeLocationWithBlock, Blockly.IBlocklyActionable, Blockly.IRegistrable  { 
-    
-            /**
-             * Abstract class for an editable field.
-             * @param {*} value The initial value of the field.
-             * @param {?Function=} opt_validator  A function that is called to validate
-             *    changes to the field's value. Takes in a value & returns a validated
-             *    value, or null to abort the change.
-             * @param {Object=} opt_config A map of options used to configure the field. See
-             *    the individual field's documentation for a list of properties this
-             *    parameter supports.
-             * @constructor
-             * @implements {Blockly.IASTNodeLocationSvg}
-             * @implements {Blockly.IASTNodeLocationWithBlock}
-             * @implements {Blockly.IBlocklyActionable}
-             * @implements {Blockly.IRegistrable}
-             */
-            constructor(value: any, opt_validator?: Function, opt_config?: Object);
-    
-            /**
-             * A generic value possessed by the field.
-             * Should generally be non-null, only null when the field is created.
-             * @type {*}
-             * @protected
-             */
-            value_: any;
-    
-            /**
-             * Validation function called when user edits an editable field.
-             * @type {Function}
-             * @protected
-             */
-            validator_: Function;
-    
-            /**
-             * The size of the area rendered by the field.
-             * @type {!Blockly.utils.Size}
-             * @protected
-             */
-            size_: Blockly.utils.Size;
-    
-            /**
-             * The rendered field's SVG group element.
-             * @type {SVGGElement}
-             * @protected
-             */
-            fieldGroup_: SVGGElement;
-    
-            /**
-             * The rendered field's SVG border element.
-             * @type {SVGRectElement}
-             * @protected
-             */
-            borderRect_: SVGRectElement;
-    
-            /**
-             * The rendered field's SVG text element.
-             * @type {SVGTextElement}
-             * @protected
-             */
-            textElement_: SVGTextElement;
-    
-            /**
-             * The rendered field's text content element.
-             * @type {Text}
-             * @protected
-             */
-            textContent_: Text;
-    
-            /**
-             * Constants associated with the source block's renderer.
-             * @type {Blockly.blockRendering.ConstantProvider}
-             * @protected
-             */
-            constants_: Blockly.blockRendering.ConstantProvider;
-    
-            /**
-             * The default value for this field.
-             * @type {*}
-             * @protected
-             */
-            DEFAULT_VALUE: any;
-    
-            /**
-             * Name of field.  Unique within each block.
-             * Static labels are usually unnamed.
-             * @type {string|undefined}
-             */
-            name: string|any /*undefined*/;
-    
-            /**
-             * Has this field been disposed of?
-             * @type {boolean}
-             * @package
-             */
-            disposed: boolean;
-    
-            /**
-             * Maximum characters of text to display before adding an ellipsis.
-             * @type {number}
-             */
-            maxDisplayLength: number;
-    
-            /**
-             * Block this field is attached to.  Starts as null, then set in init.
-             * @type {Blockly.Block}
-             * @protected
-             */
-            sourceBlock_: Blockly.Block;
-    
-            /**
-             * Does this block need to be re-rendered?
-             * @type {boolean}
-             * @protected
-             */
-            isDirty_: boolean;
-    
-            /**
-             * Is the field visible, or hidden due to the block being collapsed?
-             * @type {boolean}
-             * @protected
-             */
-            visible_: boolean;
-    
-            /**
-             * The element the click handler is bound to.
-             * @type {Element}
-             * @protected
-             */
-            clickTarget_: Element;
-    
-            /**
-             * A developer hook to override the returned text of this field.
-             * Override if the text representation of the value of this field
-             * is not just a string cast of its value.
-             * Return null to resort to a string cast.
-             * @return {?string} Current text. Return null to resort to a string cast.
-             * @protected
-             */
-            getText_(): string;
-    
-            /**
-             * An optional method that can be defined to show an editor when the field is
-             *     clicked. Blockly will automatically set the field as clickable if this
-             *     method is defined.
-             * @param {Event=} opt_e Optional mouse event that triggered the field to open,
-             *     or undefined if triggered programmatically.
-             * @return {void}
-             * @protected
-             */
-            showEditor_(opt_e?: Event): void;
-    
-            /**
-             * Editable fields usually show some sort of UI indicating they are editable.
-             * They will also be saved by the XML renderer.
-             * @type {boolean}
-             */
-            EDITABLE: boolean;
-    
-            /**
-             * Serializable fields are saved by the XML renderer, non-serializable fields
-             * are not. Editable fields should also be serializable. This is not the
-             * case by default so that SERIALIZABLE is backwards compatible.
-             * @type {boolean}
-             */
-            SERIALIZABLE: boolean;
-    
-            /**
-             * Process the configuration map passed to the field.
-             * @param {!Object} config A map of options used to configure the field. See
-             *    the individual field's documentation for a list of properties this
-             *    parameter supports.
-             * @protected
-             */
-            configure_(config: Object): void;
-    
-            /**
-             * Attach this field to a block.
-             * @param {!Blockly.Block} block The block containing this field.
-             */
-            setSourceBlock(block: Blockly.Block): void;
-    
-            /**
-             * Get the renderer constant provider.
-             * @return {?Blockly.blockRendering.ConstantProvider} The renderer constant
-             *     provider.
-             */
-            getConstants(): Blockly.blockRendering.ConstantProvider;
-    
-            /**
-             * Get the block this field is attached to.
-             * @return {Blockly.Block} The block containing this field.
-             */
-            getSourceBlock(): Blockly.Block;
-    
-            /**
-             * Initialize everything to render this field. Override
-             * methods initModel and initView rather than this method.
-             * @package
-             */
-            init(): void;
-    
-            /**
-             * Create the block UI for this field.
-             * @package
-             */
-            initView(): void;
-    
-            /**
-             * Initializes the model of the field after it has been installed on a block.
-             * No-op by default.
-             * @package
-             */
-            initModel(): void;
-    
-            /**
-             * Create a field border rect element. Not to be overridden by subclasses.
-             * Instead modify the result of the function inside initView, or create a
-             * separate function to call.
-             * @protected
-             */
-            createBorderRect_(): void;
-    
-            /**
-             * Create a field text element. Not to be overridden by subclasses. Instead
-             * modify the result of the function inside initView, or create a separate
-             * function to call.
-             * @protected
-             */
-            createTextElement_(): void;
-    
-            /**
-             * Bind events to the field. Can be overridden by subclasses if they need to do
-             * custom input handling.
-             * @protected
-             */
-            bindEvents_(): void;
-    
-            /**
-             * Sets the field's value based on the given XML element. Should only be
-             * called by Blockly.Xml.
-             * @param {!Element} fieldElement The element containing info about the
-             *    field's state.
-             * @package
-             */
-            fromXml(fieldElement: Element): void;
-    
-            /**
-             * Serializes this field's value to XML. Should only be called by Blockly.Xml.
-             * @param {!Element} fieldElement The element to populate with info about the
-             *    field's state.
-             * @return {!Element} The element containing info about the field's state.
-             * @package
-             */
-            toXml(fieldElement: Element): Element;
-    
-            /**
-             * Dispose of all DOM objects and events belonging to this editable field.
-             * @package
-             */
-            dispose(): void;
-    
-            /**
-             * Add or remove the UI indicating if this field is editable or not.
-             */
-            updateEditable(): void;
-    
-            /**
-             * Check whether this field defines the showEditor_ function.
-             * @return {boolean} Whether this field is clickable.
-             */
-            isClickable(): boolean;
-    
-            /**
-             * Check whether this field is currently editable.  Some fields are never
-             * EDITABLE (e.g. text labels). Other fields may be EDITABLE but may exist on
-             * non-editable blocks.
-             * @return {boolean} Whether this field is editable and on an editable block
-             */
-            isCurrentlyEditable(): boolean;
-    
-            /**
-             * Check whether this field should be serialized by the XML renderer.
-             * Handles the logic for backwards compatibility and incongruous states.
-             * @return {boolean} Whether this field should be serialized or not.
-             */
-            isSerializable(): boolean;
-    
-            /**
-             * Gets whether this editable field is visible or not.
-             * @return {boolean} True if visible.
-             */
-            isVisible(): boolean;
-    
-            /**
-             * Sets whether this editable field is visible or not. Should only be called
-             * by input.setVisible.
-             * @param {boolean} visible True if visible.
-             * @package
-             */
-            setVisible(visible: boolean): void;
-    
-            /**
-             * Sets a new validation function for editable fields, or clears a previously
-             * set validator.
-             *
-             * The validator function takes in the new field value, and returns
-             * validated value. The validated value could be the input value, a modified
-             * version of the input value, or null to abort the change.
-             *
-             * If the function does not return anything (or returns undefined) the new
-             * value is accepted as valid. This is to allow for fields using the
-             * validated function as a field-level change event notification.
-             *
-             * @param {Function} handler The validator function
-             *     or null to clear a previous validator.
-             */
-            setValidator(handler: Function): void;
-    
-            /**
-             * Gets the validation function for editable fields, or null if not set.
-             * @return {Function} Validation function, or null.
-             */
-            getValidator(): Function;
-    
-            /**
-             * Validates a change.  Does nothing.  Subclasses may override this.
-             * @param {string} text The user's text.
-             * @return {string} No change needed.
-             * @deprecated May 2019. Override doClassValidation and other relevant 'do'
-             *  functions instead.
-             */
-            classValidator(text: string): string;
-    
-            /**
-             * Calls the validation function for this field, as well as all the validation
-             * function for the field's class and its parents.
-             * @param {string} text Proposed text.
-             * @return {?string} Revised text, or null if invalid.
-             * @deprecated May 2019. setValue now contains all relevant logic.
-             */
-            callValidator(text: string): string;
-    
-            /**
-             * Gets the group element for this editable field.
-             * Used for measuring the size and for positioning.
-             * @return {!SVGGElement} The group element.
-             */
-            getSvgRoot(): SVGGElement;
-    
-            /**
-             * Updates the field to match the colour/style of the block. Should only be
-             * called by BlockSvg.applyColour().
-             * @package
-             */
-            applyColour(): void;
-    
-            /**
-             * Used by getSize() to move/resize any DOM elements, and get the new size.
-             *
-             * All rendering that has an effect on the size/shape of the block should be
-             * done here, and should be triggered by getSize().
-             * @protected
-             */
-            render_(): void;
-    
-            /**
-             * Show an editor when the field is clicked only if the field is clickable.
-             * @param {Event=} opt_e Optional mouse event that triggered the field to open,
-             *     or undefined if triggered programmatically.
-             * @package
-             */
-            showEditor(opt_e?: Event): void;
-    
-            /**
-             * Updates the width of the field. Redirects to updateSize_().
-             * @deprecated May 2019  Use Blockly.Field.updateSize_() to force an update
-             * to the size of the field, or Blockly.utils.dom.getTextWidth() to
-             * check the size of the field.
-             */
-            updateWidth(): void;
-    
-            /**
-             * Updates the size of the field based on the text.
-             * @param {number=} opt_margin margin to use when positioning the text element.
-             * @protected
-             */
-            updateSize_(opt_margin?: number): void;
-    
-            /**
-             * Position a field's text element after a size change.  This handles both LTR
-             * and RTL positioning.
-             * @param {number} xOffset x offset to use when positioning the text element.
-             * @param {number} contentWidth The content width.
-             * @protected
-             */
-            positionTextElement_(xOffset: number, contentWidth: number): void;
-    
-            /**
-             * Position a field's border rect after a size change.
-             * @protected
-             */
-            positionBorderRect_(): void;
-    
-            /**
-             * Returns the height and width of the field.
-             *
-             * This should *in general* be the only place render_ gets called from.
-             * @return {!Blockly.utils.Size} Height and width.
-             */
-            getSize(): Blockly.utils.Size;
-    
-            /**
-             * Returns the bounding box of the rendered field, accounting for workspace
-             * scaling.
-             * @return {!Blockly.utils.Rect} An object with top, bottom, left, and right in
-             *     pixels relative to the top left corner of the page (window coordinates).
-             * @package
-             */
-            getScaledBBox(): Blockly.utils.Rect;
-    
-            /**
-             * Get the text from this field to display on the block. May differ from
-             * ``getText`` due to ellipsis, and other formatting.
-             * @return {string} Text to display.
-             * @protected
-             */
-            getDisplayText_(): string;
-    
-            /**
-             * Get the text from this field.
-             * @return {string} Current text.
-             */
-            getText(): string;
-    
-            /**
-             * Set the text in this field.  Trigger a rerender of the source block.
-             * @param {*} _newText New text.
-             * @deprecated 2019 setText should not be used directly. Use setValue instead.
-             */
-            setText(_newText: any): void;
-    
-            /**
-             * Force a rerender of the block that this field is installed on, which will
-             * rerender this field and adjust for any sizing changes.
-             * Other fields on the same block will not rerender, because their sizes have
-             * already been recorded.
-             * @package
-             */
-            markDirty(): void;
-    
-            /**
-             * Force a rerender of the block that this field is installed on, which will
-             * rerender this field and adjust for any sizing changes.
-             * Other fields on the same block will not rerender, because their sizes have
-             * already been recorded.
-             * @package
-             */
-            forceRerender(): void;
-    
-            /**
-             * Used to change the value of the field. Handles validation and events.
-             * Subclasses should override doClassValidation_ and doValueUpdate_ rather
-             * than this method.
-             * @param {*} newValue New value.
-             */
-            setValue(newValue: any): void;
-    
-            /**
-             * Get the current value of the field.
-             * @return {*} Current value.
-             */
-            getValue(): any;
-    
-            /**
-             * Used to validate a value. Returns input by default. Can be overridden by
-             * subclasses, see FieldDropdown.
-             * @param {*=} opt_newValue The value to be validated.
-             * @return {*} The validated value, same as input by default.
-             * @protected
-             * @suppress {deprecated} Suppress deprecated this.classValidator call.
-             */
-            doClassValidation_(opt_newValue?: any): any;
-    
-            /**
-             * Used to update the value of a field. Can be overridden by subclasses to do
-             * custom storage of values/updating of external things.
-             * @param {*} newValue The value to be saved.
-             * @protected
-             */
-            doValueUpdate_(newValue: any): void;
-    
-            /**
-             * Used to notify the field an invalid value was input. Can be overridden by
-             * subclasses, see FieldTextInput.
-             * No-op by default.
-             * @param {*} _invalidValue The input value that was determined to be invalid.
-             * @protected
-             */
-            doValueInvalid_(_invalidValue: any): void;
-    
-            /**
-             * Handle a mouse down event on a field.
-             * @param {!Event} e Mouse down event.
-             * @protected
-             */
-            onMouseDown_(e: Event): void;
-    
-            /**
-             * Sets the tooltip for this field.
-             * @param {?Blockly.Tooltip.TipInfo} newTip The
-             *     text for the tooltip, a function that returns the text for the tooltip, a
-             *     parent object whose tooltip will be used, or null to display the tooltip
-             *     of the parent block. To not display a tooltip pass the empty string.
-             */
-            setTooltip(newTip: Blockly.Tooltip.TipInfo): void;
-    
-            /**
-             * Returns the tooltip text for this field.
-             * @returns {string} The tooltip text for this field.
-             */
-            getTooltip(): string;
-    
-            /**
-             * The element to bind the click handler to. If not set explicitly, defaults
-             * to the SVG root of the field. When this element is
-             * clicked on an editable field, the editor will open.
-             * @return {!Element} Element to bind click handler to.
-             * @protected
-             */
-            getClickTarget_(): Element;
-    
-            /**
-             * Return the absolute coordinates of the top-left corner of this field.
-             * The origin (0,0) is the top-left corner of the page body.
-             * @return {!Blockly.utils.Coordinate} Object with .x and .y properties.
-             * @protected
-             */
-            getAbsoluteXY_(): Blockly.utils.Coordinate;
-    
-            /**
-             * Whether this field references any Blockly variables.  If true it may need to
-             * be handled differently during serialization and deserialization.  Subclasses
-             * may override this.
-             * @return {boolean} True if this field has any variable references.
-             * @package
-             */
-            referencesVariables(): boolean;
-    
-            /**
-             * Search through the list of inputs and their fields in order to find the
-             * parent input of a field.
-             * @return {Blockly.Input} The input that the field belongs to.
-             * @package
-             */
-            getParentInput(): Blockly.Input;
-    
-            /**
-             * Returns whether or not we should flip the field in RTL.
-             * @return {boolean} True if we should flip in RTL.
-             */
-            getFlipRtl(): boolean;
-    
-            /**
-             * Returns whether or not the field is tab navigable.
-             * @return {boolean} True if the field is tab navigable.
-             */
-            isTabNavigable(): boolean;
-    
-            /**
-             * Handles the given action.
-             * This is only triggered when keyboard accessibility mode is enabled.
-             * @param {!Blockly.Action} _action The action to be handled.
-             * @return {boolean} True if the field handled the action, false otherwise.
-             * @package
-             */
-            onBlocklyAction(_action: Blockly.Action): boolean;
-    
-            /**
-             * Add the cursor svg to this fields svg group.
-             * @param {SVGElement} cursorSvg The svg root of the cursor to be added to the
-             *     field group.
-             * @package
-             */
-            setCursorSvg(cursorSvg: SVGElement): void;
-    
-            /**
-             * Add the marker svg to this fields svg group.
-             * @param {SVGElement} markerSvg The svg root of the marker to be added to the
-             *     field group.
-             * @package
-             */
-            setMarkerSvg(markerSvg: SVGElement): void;
-    
-            /**
-             * Redraw any attached marker or cursor svgs if needed.
-             * @protected
-             */
-            updateMarkers_(): void;
-    } 
-    
-}
-
-declare module Blockly.Field {
-
-    /**
-     * Non-breaking space.
-     * @const
-     */
-    var NBSP: any /*missing*/;
-}
-
-
-declare module Blockly {
-
-    class FieldAngle extends FieldAngle__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class FieldAngle__Class extends Blockly.FieldTextInput__Class  { 
-    
-            /**
-             * Class for an editable angle field.
-             * @param {string|number=} opt_value The initial value of the field. Should cast
-             *    to a number. Defaults to 0.
-             * @param {Function=} opt_validator A function that is called to validate
-             *    changes to the field's value. Takes in a number & returns a
-             *    validated number, or null to abort the change.
-             * @param {Object=} opt_config A map of options used to configure the field.
-             *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/angle#creation}
-             *    for a list of properties this parameter supports.
-             * @extends {Blockly.FieldTextInput}
-             * @constructor
-             */
-            constructor(opt_value?: string|number, opt_validator?: Function, opt_config?: Object);
-    
-            /**
-             * The angle picker's gauge path depending on the value.
-             * @type {SVGElement}
-             */
-            gauge_: SVGElement;
-    
-            /**
-             * The angle picker's line drawn representing the value's angle.
-             * @type {SVGElement}
-             */
-            line_: SVGElement;
-    
-            /**
-             * The default value for this field.
-             * @type {*}
-             * @protected
-             */
-            DEFAULT_VALUE: any;
-    
-            /**
-             * Serializable fields are saved by the XML renderer, non-serializable fields
-             * are not. Editable fields should also be serializable.
-             * @type {boolean}
-             */
-            SERIALIZABLE: boolean;
-    
-            /**
-             * Create the block UI for this field.
-             * @package
-             */
-            initView(): void;
-    
-            /**
-             * Create and show the angle field's editor.
-             * @param {Event=} opt_e Optional mouse event that triggered the field to open,
-             *     or undefined if triggered programmatically.
-             * @protected
-             */
-            showEditor_(opt_e?: Event): void;
-    
-            /**
-             * Set the angle to match the mouse's position.
-             * @param {!Event} e Mouse move event.
-             * @protected
-             */
-            onMouseMove_(e: Event): void;
-    } 
-    
-}
-
-declare module Blockly.FieldAngle {
-
-    /**
-     * Construct a FieldAngle from a JSON arg object.
-     * @param {!Object} options A JSON object with options (angle).
-     * @return {!Blockly.FieldAngle} The new field instance.
-     * @package
-     * @nocollapse
-     */
-    function fromJson(options: Object): Blockly.FieldAngle;
-
-    /**
-     * The default amount to round angles to when using a mouse or keyboard nav
-     * input. Must be a positive integer to support keyboard navigation.
-     * @const {number}
-     */
-    var ROUND: any /*missing*/;
-
-    /**
-     * Half the width of protractor image.
-     * @const {number}
-     */
-    var HALF: any /*missing*/;
-
-    /**
-     * Default property describing which direction makes an angle field's value
-     * increase. Angle increases clockwise (true) or counterclockwise (false).
-     * @const {boolean}
-     */
-    var CLOCKWISE: any /*missing*/;
-
-    /**
-     * The default offset of 0 degrees (and all angles). Always offsets in the
-     * counterclockwise direction, regardless of the field's clockwise property.
-     * Usually either 0 (0 = right) or 90 (0 = up).
-     * @const {number}
-     */
-    var OFFSET: any /*missing*/;
-
-    /**
-     * The default maximum angle to allow before wrapping.
-     * Usually either 360 (for 0 to 359.9) or 180 (for -179.9 to 180).
-     * @const {number}
-     */
-    var WRAP: any /*missing*/;
-
-    /**
-     * Radius of protractor circle.  Slightly smaller than protractor size since
-     * otherwise SVG crops off half the border at the edges.
-     * @const {number}
-     */
-    var RADIUS: any /*missing*/;
-}
-
-
-declare module Blockly {
-
-    class FieldCheckbox extends FieldCheckbox__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class FieldCheckbox__Class extends Blockly.Field__Class  { 
-    
-            /**
-             * Class for a checkbox field.
-             * @param {string|boolean=} opt_value The initial value of the field. Should
-             *    either be 'TRUE', 'FALSE' or a boolean. Defaults to 'FALSE'.
-             * @param {Function=} opt_validator  A function that is called to validate
-             *    changes to the field's value. Takes in a value ('TRUE' or 'FALSE') &
-             *    returns a validated value ('TRUE' or 'FALSE'), or null to abort the
-             *    change.
-             * @param {Object=} opt_config A map of options used to configure the field.
-             *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/checkbox#creation}
-             *    for a list of properties this parameter supports.
-             * @extends {Blockly.Field}
-             * @constructor
-             */
-            constructor(opt_value?: string|boolean, opt_validator?: Function, opt_config?: Object);
-    
-            /**
-             * The default value for this field.
-             * @type {*}
-             * @protected
-             */
-            DEFAULT_VALUE: any;
-    
-            /**
-             * Serializable fields are saved by the XML renderer, non-serializable fields
-             * are not. Editable fields should also be serializable.
-             * @type {boolean}
-             */
-            SERIALIZABLE: boolean;
-    
-            /**
-             * Mouse cursor style when over the hotspot that initiates editability.
-             */
-            CURSOR: any /*missing*/;
-    
-            /**
-             * Create the block UI for this checkbox.
-             * @package
-             */
-            initView(): void;
-    
-            /**
-             * Set the character used for the check mark.
-             * @param {?string} character The character to use for the check mark, or
-             *    null to use the default.
-             */
-            setCheckCharacter(character: string): void;
-    
-            /**
-             * Toggle the state of the checkbox on click.
-             * @protected
-             */
-            showEditor_(): void;
-    
-            /**
-             * Ensure that the input value is valid ('TRUE' or 'FALSE').
-             * @param {*=} opt_newValue The input value.
-             * @return {?string} A valid value ('TRUE' or 'FALSE), or null if invalid.
-             * @protected
-             */
-            doClassValidation_(opt_newValue?: any): string;
-    
-            /**
-             * Update the value of the field, and update the checkElement.
-             * @param {*} newValue The value to be saved. The default validator guarantees
-             * that this is a either 'TRUE' or 'FALSE'.
-             * @protected
-             */
-            doValueUpdate_(newValue: any): void;
-    
-            /**
-             * Get the value of this field, either 'TRUE' or 'FALSE'.
-             * @return {string} The value of this field.
-             */
-            getValue(): string;
-    
-            /**
-             * Get the boolean value of this field.
-             * @return {boolean} The boolean value of this field.
-             */
-            getValueBoolean(): boolean;
-    
-            /**
-             * Get the text of this field. Used when the block is collapsed.
-             * @return {string} Text representing the value of this field
-             *    ('true' or 'false').
-             */
-            getText(): string;
-    } 
-    
-}
-
-declare module Blockly.FieldCheckbox {
-
-    /**
-     * Construct a FieldCheckbox from a JSON arg object.
-     * @param {!Object} options A JSON object with options (checked).
-     * @return {!Blockly.FieldCheckbox} The new field instance.
-     * @package
-     * @nocollapse
-     */
-    function fromJson(options: Object): Blockly.FieldCheckbox;
-
-    /**
-     * Default character for the checkmark.
-     * @type {string}
-     * @const
-     */
-    var CHECK_CHAR: string;
-}
-
-
-declare module Blockly {
-
-    class FieldColour extends FieldColour__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class FieldColour__Class extends Blockly.Field__Class  { 
-    
-            /**
-             * Class for a colour input field.
-             * @param {string=} opt_value The initial value of the field. Should be in
-             *    '#rrggbb' format. Defaults to the first value in the default colour array.
-             * @param {Function=} opt_validator A function that is called to validate
-             *    changes to the field's value. Takes in a colour string & returns a
-             *    validated colour string ('#rrggbb' format), or null to abort the change.
-             * @param {Object=} opt_config A map of options used to configure the field.
-             *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/colour}
-             *    for a list of properties this parameter supports.
-             * @extends {Blockly.Field}
-             * @constructor
-             */
-            constructor(opt_value?: string, opt_validator?: Function, opt_config?: Object);
-    
-            /**
-             * Serializable fields are saved by the XML renderer, non-serializable fields
-             * are not. Editable fields should also be serializable.
-             * @type {boolean}
-             */
-            SERIALIZABLE: boolean;
-    
-            /**
-             * Mouse cursor style when over the hotspot that initiates the editor.
-             */
-            CURSOR: any /*missing*/;
-    
-            /**
-             * Used to tell if the field needs to be rendered the next time the block is
-             * rendered. Colour fields are statically sized, and only need to be
-             * rendered at initialization.
-             * @type {boolean}
-             * @protected
-             */
-            isDirty_: boolean;
-    
-            /**
-             * Create the block UI for this colour field.
-             * @package
-             */
-            initView(): void;
-    
-            /**
-             * Ensure that the input value is a valid colour.
-             * @param {*=} opt_newValue The input value.
-             * @return {?string} A valid colour, or null if invalid.
-             * @protected
-             */
-            doClassValidation_(opt_newValue?: any): string;
-    
-            /**
-             * Update the value of this colour field, and update the displayed colour.
-             * @param {*} newValue The value to be saved. The default validator guarantees
-             * that this is a colour in '#rrggbb' format.
-             * @protected
-             */
-            doValueUpdate_(newValue: any): void;
-    
-            /**
-             * Get the text for this field.  Used when the block is collapsed.
-             * @return {string} Text representing the value of this field.
-             */
-            getText(): string;
-    
-            /**
-             * The default value for this field.
-             * @type {*}
-             * @protected
-             */
-            DEFAULT_VALUE: any;
-    
-            /**
-             * Set a custom colour grid for this field.
-             * @param {Array.<string>} colours Array of colours for this block,
-             *     or null to use default (Blockly.FieldColour.COLOURS).
-             * @param {Array.<string>=} opt_titles Optional array of colour tooltips,
-             *     or null to use default (Blockly.FieldColour.TITLES).
-             * @return {!Blockly.FieldColour} Returns itself (for method chaining).
-             */
-            setColours(colours: string[], opt_titles?: string[]): Blockly.FieldColour;
-    
-            /**
-             * Set a custom grid size for this field.
-             * @param {number} columns Number of columns for this block,
-             *     or 0 to use default (Blockly.FieldColour.COLUMNS).
-             * @return {!Blockly.FieldColour} Returns itself (for method chaining).
-             */
-            setColumns(columns: number): Blockly.FieldColour;
-    
-            /**
-             * Create and show the colour field's editor.
-             * @protected
-             */
-            showEditor_(): void;
-    
-            /**
-             * Handles the given action.
-             * This is only triggered when keyboard accessibility mode is enabled.
-             * @param {!Blockly.Action} action The action to be handled.
-             * @return {boolean} True if the field handled the action, false otherwise.
-             * @package
-             */
-            onBlocklyAction(action: Blockly.Action): boolean;
-    } 
-    
-}
-
-declare module Blockly.FieldColour {
-
-    /**
-     * Construct a FieldColour from a JSON arg object.
-     * @param {!Object} options A JSON object with options (colour).
-     * @return {!Blockly.FieldColour} The new field instance.
-     * @package
-     * @nocollapse
-     */
-    function fromJson(options: Object): Blockly.FieldColour;
-
-    /**
-     * An array of colour strings for the palette.
-     * Copied from goog.ui.ColorPicker.SIMPLE_GRID_COLORS
-     * All colour pickers use this unless overridden with setColours.
-     * @type {!Array.<string>}
-     */
-    var COLOURS: string[];
-
-    /**
-     * An array of tooltip strings for the palette.  If not the same length as
-     * COLOURS, the colour's hex code will be used for any missing titles.
-     * All colour pickers use this unless overridden with setColours.
-     * @type {!Array.<string>}
-     */
-    var TITLES: string[];
-
-    /**
-     * Number of columns in the palette.
-     * All colour pickers use this unless overridden with setColumns.
-     */
-    var COLUMNS: any /*missing*/;
-}
-
-
-declare module Blockly {
-
-    class FieldDropdown extends FieldDropdown__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class FieldDropdown__Class extends Blockly.Field__Class  { 
-    
-            /**
-             * Class for an editable dropdown field.
-             * @param {(!Array.<!Array>|!Function)} menuGenerator A non-empty array of
-             *     options for a dropdown list, or a function which generates these options.
-             * @param {Function=} opt_validator A function that is called to validate
-             *    changes to the field's value. Takes in a language-neutral dropdown
-             *    option & returns a validated language-neutral dropdown option, or null to
-             *    abort the change.
-             * @param {Object=} opt_config A map of options used to configure the field.
-             *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/dropdown#creation}
-             *    for a list of properties this parameter supports.
-             * @extends {Blockly.Field}
-             * @constructor
-             * @throws {TypeError} If `menuGenerator` options are incorrectly structured.
-             */
-            constructor(menuGenerator: any[][]|Function, opt_validator?: Function, opt_config?: Object);
-    
-            /**
-             * An array of options for a dropdown list,
-             * or a function which generates these options.
-             * @type {(!Array.<!Array>|
-             *    !function(this:Blockly.FieldDropdown): !Array.<!Array>)}
-             * @protected
-             */
-            menuGenerator_: any[][]|{ (): any[][] };
-    
-            /**
-             * The prefix field label, of common words set after options are trimmed.
-             * @type {?string}
-             * @package
-             */
-            prefixField: string;
-    
-            /**
-             * The suffix field label, of common words set after options are trimmed.
-             * @type {?string}
-             * @package
-             */
-            suffixField: string;
-    
-            /**
-             * Serializable fields are saved by the XML renderer, non-serializable fields
-             * are not. Editable fields should also be serializable.
-             * @type {boolean}
-             */
-            SERIALIZABLE: boolean;
-    
-            /**
-             * Mouse cursor style when over the hotspot that initiates the editor.
-             */
-            CURSOR: any /*missing*/;
-    
-            /**
-             * Create the block UI for this dropdown.
-             * @package
-             */
-            initView(): void;
-    
-            /**
-             * Whether or not the dropdown should add a border rect.
-             * @return {boolean} True if the dropdown field should add a border rect.
-             * @protected
-             */
-            shouldAddBorderRect_(): boolean;
-    
-            /**
-             * Create a tspan based arrow.
-             * @protected
-             */
-            createTextArrow_(): void;
-    
-            /**
-             * Create an SVG based arrow.
-             * @protected
-             */
-            createSVGArrow_(): void;
-    
-            /**
-             * Create a dropdown menu under the text.
-             * @param {Event=} opt_e Optional mouse event that triggered the field to open,
-             *     or undefined if triggered programmatically.
-             * @protected
-             */
-            showEditor_(opt_e?: Event): void;
-    
-            /**
-             * Handle the selection of an item in the dropdown menu.
-             * @param {!Blockly.Menu} menu The Menu component clicked.
-             * @param {!Blockly.MenuItem} menuItem The MenuItem selected within menu.
-             * @protected
-             */
-            onItemSelected_(menu: Blockly.Menu, menuItem: Blockly.MenuItem): void;
-    
-            /**
-             * @return {boolean} True if the option list is generated by a function.
-             *     Otherwise false.
-             */
-            isOptionListDynamic(): boolean;
-    
-            /**
-             * Return a list of the options for this dropdown.
-             * @param {boolean=} opt_useCache For dynamic options, whether or not to use the
-             *     cached options or to re-generate them.
-             * @return {!Array.<!Array>} A non-empty array of option tuples:
-             *     (human-readable text or image, language-neutral name).
-             * @throws {TypeError} If generated options are incorrectly structured.
-             */
-            getOptions(opt_useCache?: boolean): any[][];
-    
-            /**
-             * Ensure that the input value is a valid language-neutral option.
-             * @param {*=} opt_newValue The input value.
-             * @return {?string} A valid language-neutral option, or null if invalid.
-             * @protected
-             */
-            doClassValidation_(opt_newValue?: any): string;
-    
-            /**
-             * Update the value of this dropdown field.
-             * @param {*} newValue The value to be saved. The default validator guarantees
-             * that this is one of the valid dropdown options.
-             * @protected
-             */
-            doValueUpdate_(newValue: any): void;
-    
-            /**
-             * Updates the dropdown arrow to match the colour/style of the block.
-             * @package
-             */
-            applyColour(): void;
-    
-            /**
-             * Draws the border with the correct width.
-             * @protected
-             */
-            render_(): void;
-    
-            /**
-             * Handles the given action.
-             * This is only triggered when keyboard accessibility mode is enabled.
-             * @param {!Blockly.Action} action The action to be handled.
-             * @return {boolean} True if the field handled the action, false otherwise.
-             * @package
-             */
-            onBlocklyAction(action: Blockly.Action): boolean;
-    } 
-    
-}
-
-declare module Blockly.FieldDropdown {
-
-    /**
-     * Dropdown image properties.
-     * @typedef {{
-      *            src:string,
-      *            alt:string,
-      *            width:number,
-      *            height:number
-      *          }}
-      */
-    interface ImageProperties {
-        src: string;
-        alt: string;
-        width: number;
-        height: number
-    }
-
-    /**
-     * Construct a FieldDropdown from a JSON arg object.
-     * @param {!Object} options A JSON object with options (options).
-     * @return {!Blockly.FieldDropdown} The new field instance.
-     * @package
-     * @nocollapse
-     */
-    function fromJson(options: Object): Blockly.FieldDropdown;
-
-    /**
-     * Horizontal distance that a checkmark overhangs the dropdown.
-     */
-    var CHECKMARK_OVERHANG: any /*missing*/;
-
-    /**
-     * Maximum height of the dropdown menu, as a percentage of the viewport height.
-     */
-    var MAX_MENU_HEIGHT_VH: any /*missing*/;
-
-    /**
-     * Android can't (in 2014) display "▾", so use "▼" instead.
-     */
-    var ARROW_CHAR: any /*missing*/;
-
-    /**
-     * Use the calculated prefix and suffix lengths to trim all of the options in
-     * the given array.
-     * @param {!Array.<!Array>} options Array of option tuples:
-     *     (human-readable text or image, language-neutral name).
-     * @param {number} prefixLength The length of the common prefix.
-     * @param {number} suffixLength The length of the common suffix
-     * @return {!Array.<!Array>} A new array with all of the option text trimmed.
-     */
-    function applyTrim_(options: any[][], prefixLength: number, suffixLength: number): any[][];
-}
-
-
-declare module Blockly {
-
-    class FieldImage extends FieldImage__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class FieldImage__Class extends Blockly.Field__Class  { 
-    
-            /**
-             * Class for an image on a block.
-             * @param {string} src The URL of the image.
-             * @param {!(string|number)} width Width of the image.
-             * @param {!(string|number)} height Height of the image.
-             * @param {string=} opt_alt Optional alt text for when block is collapsed.
-             * @param {function(!Blockly.FieldImage)=} opt_onClick Optional function to be
-             *     called when the image is clicked. If opt_onClick is defined, opt_alt must
-             *     also be defined.
-             * @param {boolean=} opt_flipRtl Whether to flip the icon in RTL.
-             * @param {Object=} opt_config A map of options used to configure the field.
-             *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/image#creation}
-             *    for a list of properties this parameter supports.
-             * @extends {Blockly.Field}
-             * @constructor
-             */
-            constructor(src: string, width: string|number, height: string|number, opt_alt?: string, opt_onClick?: { (_0: Blockly.FieldImage): any /*missing*/ }, opt_flipRtl?: boolean, opt_config?: Object);
-    
-            /**
-             * The default value for this field.
-             * @type {*}
-             * @protected
-             */
-            DEFAULT_VALUE: any;
-    
-            /**
-             * Editable fields usually show some sort of UI indicating they are
-             * editable. This field should not.
-             * @type {boolean}
-             */
-            EDITABLE: boolean;
-    
-            /**
-             * Used to tell if the field needs to be rendered the next time the block is
-             * rendered. Image fields are statically sized, and only need to be
-             * rendered at initialization.
-             * @type {boolean}
-             * @protected
-             */
-            isDirty_: boolean;
-    
-            /**
-             * Create the block UI for this image.
-             * @package
-             */
-            initView(): void;
-    
-            /**
-             * Ensure that the input value (the source URL) is a string.
-             * @param {*=} opt_newValue The input value.
-             * @return {?string} A string, or null if invalid.
-             * @protected
-             */
-            doClassValidation_(opt_newValue?: any): string;
-    
-            /**
-             * Update the value of this image field, and update the displayed image.
-             * @param {*} newValue The value to be saved. The default validator guarantees
-             * that this is a string.
-             * @protected
-             */
-            doValueUpdate_(newValue: any): void;
-    
-            /**
-             * Set the alt text of this image.
-             * @param {?string} alt New alt text.
-             * @public
-             */
-            setAlt(alt: string): void;
-    
-            /**
-             * If field click is called, and click handler defined,
-             * call the handler.
-             * @protected
-             */
-            showEditor_(): void;
-    
-            /**
-             * Set the function that is called when this image  is clicked.
-             * @param {?function(!Blockly.FieldImage)} func The function that is called
-             *    when the image is clicked, or null to remove.
-             */
-            setOnClickHandler(func: { (_0: Blockly.FieldImage): any /*missing*/ }): void;
-    } 
-    
-}
-
-declare module Blockly.FieldImage {
-
-    /**
-     * Construct a FieldImage from a JSON arg object,
-     * dereferencing any string table references.
-     * @param {!Object} options A JSON object with options (src, width, height,
-     *    alt, and flipRtl).
-     * @return {!Blockly.FieldImage} The new field instance.
-     * @package
-     * @nocollapse
-     */
-    function fromJson(options: Object): Blockly.FieldImage;
-}
-
-
-declare module Blockly {
-
-    class FieldLabel extends FieldLabel__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class FieldLabel__Class extends Blockly.Field__Class  { 
-    
-            /**
-             * Class for a non-editable, non-serializable text field.
-             * @param {string=} opt_value The initial value of the field. Should cast to a
-             *    string. Defaults to an empty string if null or undefined.
-             * @param {string=} opt_class Optional CSS class for the field's text.
-             * @param {Object=} opt_config A map of options used to configure the field.
-             *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/label#creation}
-             *    for a list of properties this parameter supports.
-             * @extends {Blockly.Field}
-             * @constructor
-             */
-            constructor(opt_value?: string, opt_class?: string, opt_config?: Object);
-    
-            /**
-             * The default value for this field.
-             * @type {*}
-             * @protected
-             */
-            DEFAULT_VALUE: any;
-    
-            /**
-             * Editable fields usually show some sort of UI indicating they are
-             * editable. This field should not.
-             * @type {boolean}
-             */
-            EDITABLE: boolean;
-    
-            /**
-             * Create block UI for this label.
-             * @package
-             */
-            initView(): void;
-    
-            /**
-             * Ensure that the input value casts to a valid string.
-             * @param {*=} opt_newValue The input value.
-             * @return {?string} A valid string, or null if invalid.
-             * @protected
-             */
-            doClassValidation_(opt_newValue?: any): string;
-    
-            /**
-             * Set the css class applied to the field's textElement_.
-             * @param {?string} cssClass The new css class name, or null to remove.
-             */
-            setClass(cssClass: string): void;
-    } 
-    
-}
-
-declare module Blockly.FieldLabel {
-
-    /**
-     * Construct a FieldLabel from a JSON arg object,
-     * dereferencing any string table references.
-     * @param {!Object} options A JSON object with options (text, and class).
-     * @return {!Blockly.FieldLabel} The new field instance.
-     * @package
-     * @nocollapse
-     */
-    function fromJson(options: Object): Blockly.FieldLabel;
-}
-
-
-declare module Blockly {
-
-    class FieldLabelSerializable extends FieldLabelSerializable__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class FieldLabelSerializable__Class extends Blockly.FieldLabel__Class  { 
-    
-            /**
-             * Class for a non-editable, serializable text field.
-             * @param {*} opt_value The initial value of the field. Should cast to a
-             *    string. Defaults to an empty string if null or undefined.
-             * @param {string=} opt_class Optional CSS class for the field's text.
-             * @param {Object=} opt_config A map of options used to configure the field.
-             *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/label-serializable#creation}
-             *    for a list of properties this parameter supports.
-             * @extends {Blockly.FieldLabel}
-             * @constructor
-             *
-             */
-            constructor(opt_value: any, opt_class?: string, opt_config?: Object);
-    
-            /**
-             * Editable fields usually show some sort of UI indicating they are
-             * editable. This field should not.
-             * @type {boolean}
-             */
-            EDITABLE: boolean;
-    
-            /**
-             * Serializable fields are saved by the XML renderer, non-serializable fields
-             * are not.  This field should be serialized, but only edited programmatically.
-             * @type {boolean}
-             */
-            SERIALIZABLE: boolean;
-    } 
-    
-}
-
-declare module Blockly.FieldLabelSerializable {
-
-    /**
-     * Construct a FieldLabelSerializable from a JSON arg object,
-     * dereferencing any string table references.
-     * @param {!Object} options A JSON object with options (text, and class).
-     * @return {!Blockly.FieldLabelSerializable} The new field instance.
-     * @package
-     * @nocollapse
-     */
-    function fromJson(options: Object): Blockly.FieldLabelSerializable;
-}
-
-
-declare module Blockly {
-
-    class FieldMultilineInput extends FieldMultilineInput__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class FieldMultilineInput__Class extends Blockly.FieldTextInput__Class  { 
-    
-            /**
-             * Class for an editable text area field.
-             * @param {string=} opt_value The initial content of the field. Should cast to a
-             *    string. Defaults to an empty string if null or undefined.
-             * @param {Function=} opt_validator An optional function that is called
-             *     to validate any constraints on what the user entered.  Takes the new
-             *     text as an argument and returns either the accepted text, a replacement
-             *     text, or null to abort the change.
-             * @param {Object=} opt_config A map of options used to configure the field.
-             *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/text-input#creation}
-             *    for a list of properties this parameter supports.
-             * @extends {Blockly.FieldTextInput}
-             * @constructor
-             */
-            constructor(opt_value?: string, opt_validator?: Function, opt_config?: Object);
-    
-            /**
-             * The SVG group element that will contain a text element for each text row
-             *     when initialized.
-             * @type {SVGGElement}
-             */
-            textGroup_: SVGGElement;
-    
-            /**
-             * Serializes this field's value to XML. Should only be called by Blockly.Xml.
-             * @param {!Element} fieldElement The element to populate with info about the
-             *    field's state.
-             * @return {!Element} The element containing info about the field's state.
-             * @package
-             */
-            toXml(fieldElement: Element): Element;
-    
-            /**
-             * Sets the field's value based on the given XML element. Should only be
-             * called by Blockly.Xml.
-             * @param {!Element} fieldElement The element containing info about the
-             *    field's state.
-             * @package
-             */
-            fromXml(fieldElement: Element): void;
-    
-            /**
-             * Create the block UI for this field.
-             * @package
-             */
-            initView(): void;
-    
-            /**
-             * Updates the text of the textElement.
-             * @protected
-             */
-            render_(): void;
-    
-            /**
-             * Updates the size of the field based on the text.
-             * @protected
-             */
-            updateSize_(): void;
-    
-            /**
-             * Create the text input editor widget.
-             * @return {!HTMLTextAreaElement} The newly created text input editor.
-             * @protected
-             */
-            widgetCreate_(): HTMLTextAreaElement;
-    
-            /**
-             * Handle key down to the editor. Override the text input definition of this
-             * so as to not close the editor when enter is typed in.
-             * @param {!Event} e Keyboard event.
-             * @protected
-             */
-            onHtmlInputKeyDown_(e: Event): void;
-    } 
-    
-}
-
-declare module Blockly.FieldMultilineInput {
-
-    /**
-     * Construct a FieldMultilineInput from a JSON arg object,
-     * dereferencing any string table references.
-     * @param {!Object} options A JSON object with options (text, and spellcheck).
-     * @return {!Blockly.FieldMultilineInput} The new field instance.
-     * @package
-     * @nocollapse
-     */
-    function fromJson(options: Object): Blockly.FieldMultilineInput;
-}
-
-
-declare module Blockly {
-
-    class FieldNumber extends FieldNumber__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class FieldNumber__Class extends Blockly.FieldTextInput__Class  { 
-    
-            /**
-             * Class for an editable number field.
-             * @param {string|number=} opt_value The initial value of the field. Should cast
-             *    to a number. Defaults to 0.
-             * @param {?(string|number)=} opt_min Minimum value.
-             * @param {?(string|number)=} opt_max Maximum value.
-             * @param {?(string|number)=} opt_precision Precision for value.
-             * @param {?Function=} opt_validator A function that is called to validate
-             *    changes to the field's value. Takes in a number & returns a validated
-             *    number, or null to abort the change.
-             * @param {Object=} opt_config A map of options used to configure the field.
-             *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/number#creation}
-             *    for a list of properties this parameter supports.
-             * @extends {Blockly.FieldTextInput}
-             * @constructor
-             */
-            constructor(opt_value?: string|number, opt_min?: string|number, opt_max?: string|number, opt_precision?: string|number, opt_validator?: Function, opt_config?: Object);
-    
-            /**
-             * The minimum value this number field can contain.
-             * @type {number}
-             * @protected
-             */
-            min_: number;
-    
-            /**
-             * The maximum value this number field can contain.
-             * @type {number}
-             * @protected
-             */
-            max_: number;
-    
-            /**
-             * The multiple to which this fields value is rounded.
-             * @type {number}
-             * @protected
-             */
-            precision_: number;
-    
-            /**
-             * The default value for this field.
-             * @type {*}
-             * @protected
-             */
-            DEFAULT_VALUE: any;
-    
-            /**
-             * Serializable fields are saved by the XML renderer, non-serializable fields
-             * are not. Editable fields should also be serializable.
-             * @type {boolean}
-             */
-            SERIALIZABLE: boolean;
-    
-            /**
-             * Set the maximum, minimum and precision constraints on this field.
-             * Any of these properties may be undefined or NaN to be disabled.
-             * Setting precision (usually a power of 10) enforces a minimum step between
-             * values. That is, the user's value will rounded to the closest multiple of
-             * precision. The least significant digit place is inferred from the precision.
-             * Integers values can be enforces by choosing an integer precision.
-             * @param {?(number|string|undefined)} min Minimum value.
-             * @param {?(number|string|undefined)} max Maximum value.
-             * @param {?(number|string|undefined)} precision Precision for value.
-             */
-            setConstraints(min: number|string|any /*undefined*/, max: number|string|any /*undefined*/, precision: number|string|any /*undefined*/): void;
-    
-            /**
-             * Sets the minimum value this field can contain. Updates the value to reflect.
-             * @param {?(number|string|undefined)} min Minimum value.
-             */
-            setMin(min: number|string|any /*undefined*/): void;
-    
-            /**
-             * Returns the current minimum value this field can contain. Default is
-             * -Infinity.
-             * @return {number} The current minimum value this field can contain.
-             */
-            getMin(): number;
-    
-            /**
-             * Sets the maximum value this field can contain. Updates the value to reflect.
-             * @param {?(number|string|undefined)} max Maximum value.
-             */
-            setMax(max: number|string|any /*undefined*/): void;
-    
-            /**
-             * Returns the current maximum value this field can contain. Default is
-             * Infinity.
-             * @return {number} The current maximum value this field can contain.
-             */
-            getMax(): number;
-    
-            /**
-             * Sets the precision of this field's value, i.e. the number to which the
-             * value is rounded. Updates the field to reflect.
-             * @param {?(number|string|undefined)} precision The number to which the
-             *    field's value is rounded.
-             */
-            setPrecision(precision: number|string|any /*undefined*/): void;
-    
-            /**
-             * Returns the current precision of this field. The precision being the
-             * number to which the field's value is rounded. A precision of 0 means that
-             * the value is not rounded.
-             * @return {number} The number to which this field's value is rounded.
-             */
-            getPrecision(): number;
-    } 
-    
-}
-
-declare module Blockly.FieldNumber {
-
-    /**
-     * Construct a FieldNumber from a JSON arg object.
-     * @param {!Object} options A JSON object with options (value, min, max, and
-     *                          precision).
-     * @return {!Blockly.FieldNumber} The new field instance.
-     * @package
-     * @nocollapse
-     */
-    function fromJson(options: Object): Blockly.FieldNumber;
-}
-
-
-declare module Blockly.fieldRegistry {
-
-    /**
-     * Registers a field type.
-     * Blockly.fieldRegistry.fromJson uses this registry to
-     * find the appropriate field type.
-     * @param {string} type The field type name as used in the JSON definition.
-     * @param {!Blockly.IRegistrableField} fieldClass The field class containing a
-     *     fromJson function that can construct an instance of the field.
-     * @throws {Error} if the type name is empty, the field is already
-     *     registered, or the fieldClass is not an object containing a fromJson
-     *     function.
-     */
-    function register(type: string, fieldClass: Blockly.IRegistrableField): void;
-
-    /**
-     * Unregisters the field registered with the given type.
-     * @param {string} type The field type name as used in the JSON definition.
-     */
-    function unregister(type: string): void;
-
-    /**
-     * Construct a Field from a JSON arg object.
-     * Finds the appropriate registered field by the type name as registered using
-     * Blockly.fieldRegistry.register.
-     * @param {!Object} options A JSON object with a type and options specific
-     *     to the field type.
-     * @return {Blockly.Field} The new field instance or null if a field wasn't
-     *     found with the given type name
-     * @package
-     */
-    function fromJson(options: Object): Blockly.Field;
-}
-
-
-declare module Blockly {
-
-    class FieldTextInput extends FieldTextInput__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class FieldTextInput__Class extends Blockly.Field__Class  { 
-    
-            /**
-             * Class for an editable text field.
-             * @param {string=} opt_value The initial value of the field. Should cast to a
-             *    string. Defaults to an empty string if null or undefined.
-             * @param {?Function=} opt_validator A function that is called to validate
-             *    changes to the field's value. Takes in a string & returns a validated
-             *    string, or null to abort the change.
-             * @param {Object=} opt_config A map of options used to configure the field.
-             *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/text-input#creation}
-             *    for a list of properties this parameter supports.
-             * @extends {Blockly.Field}
-             * @constructor
-             */
-            constructor(opt_value?: string, opt_validator?: Function, opt_config?: Object);
-    
-            /**
-             * Allow browser to spellcheck this field.
-             * @type {boolean}
-             * @protected
-             */
-            spellcheck_: boolean;
-    
-            /**
-             * The HTML input element.
-             * @type {HTMLElement}
-             */
-            htmlInput_: HTMLElement;
-    
-            /**
-             * Whether the field should consider the whole parent block to be its click
-             * target.
-             * @type {?boolean}
-             */
-            fullBlockClickTarget_: boolean;
-    
-            /**
-             * The workspace that this field belongs to.
-             * @type {?Blockly.WorkspaceSvg}
-             * @protected
-             */
-            workspace_: Blockly.WorkspaceSvg;
-    
-            /**
-             * The default value for this field.
-             * @type {*}
-             * @protected
-             */
-            DEFAULT_VALUE: any;
-    
-            /**
-             * Serializable fields are saved by the XML renderer, non-serializable fields
-             * are not. Editable fields should also be serializable.
-             * @type {boolean}
-             */
-            SERIALIZABLE: boolean;
-    
-            /**
-             * Mouse cursor style when over the hotspot that initiates the editor.
-             */
-            CURSOR: any /*missing*/;
-    
-            /**
-             * Ensure that the input value casts to a valid string.
-             * @param {*=} opt_newValue The input value.
-             * @return {*} A valid string, or null if invalid.
-             * @protected
-             */
-            doClassValidation_(opt_newValue?: any): any;
-    
-            /**
-             * Called by setValue if the text input is not valid. If the field is
-             * currently being edited it reverts value of the field to the previous
-             * value while allowing the display text to be handled by the htmlInput_.
-             * @param {*} _invalidValue The input value that was determined to be invalid.
-             *    This is not used by the text input because its display value is stored on
-             *    the htmlInput_.
-             * @protected
-             */
-            doValueInvalid_(_invalidValue: any): void;
-    
-            /**
-             * Called by setValue if the text input is valid. Updates the value of the
-             * field, and updates the text of the field if it is not currently being
-             * edited (i.e. handled by the htmlInput_).
-             * @param {*} newValue The value to be saved. The default validator guarantees
-             * that this is a string.
-             * @protected
-             */
-            doValueUpdate_(newValue: any): void;
-    
-            /**
-             * Updates text field to match the colour/style of the block.
-             * @package
-             */
-            applyColour(): void;
-    
-            /**
-             * Updates the colour of the htmlInput given the current validity of the
-             * field's value.
-             * @protected
-             */
-            render_(): void;
-    
-            /**
-             * Set whether this field is spellchecked by the browser.
-             * @param {boolean} check True if checked.
-             */
-            setSpellcheck(check: boolean): void;
-    
-            /**
-             * Show the inline free-text editor on top of the text.
-             * @param {Event=} _opt_e Optional mouse event that triggered the field to open,
-             *     or undefined if triggered programmatically.
-             * @param {boolean=} opt_quietInput True if editor should be created without
-             *     focus.  Defaults to false.
-             * @protected
-             */
-            showEditor_(_opt_e?: Event, opt_quietInput?: boolean): void;
-    
-            /**
-             * Create the text input editor widget.
-             * @return {!HTMLElement} The newly created text input editor.
-             * @protected
-             */
-            widgetCreate_(): HTMLElement;
-    
-            /**
-             * Bind handlers for user input on the text input field's editor.
-             * @param {!HTMLElement} htmlInput The htmlInput to which event
-             *    handlers will be bound.
-             * @protected
-             */
-            bindInputEvents_(htmlInput: HTMLElement): void;
-    
-            /**
-             * Handle key down to the editor.
-             * @param {!Event} e Keyboard event.
-             * @protected
-             */
-            onHtmlInputKeyDown_(e: Event): void;
-    
-            /**
-             * Set the html input value and the field's internal value. The difference
-             * between this and ``setValue`` is that this also updates the html input
-             * value whilst editing.
-             * @param {*} newValue New value.
-             * @protected
-             */
-            setEditorValue_(newValue: any): void;
-    
-            /**
-             * Resize the editor to fit the text.
-             * @protected
-             */
-            resizeEditor_(): void;
-    
-            /**
-             * Transform the provided value into a text to show in the html input.
-             * Override this method if the field's html input representation is different
-             * than the field's value. This should be coupled with an override of
-             * `getValueFromEditorText_`.
-             * @param {*} value The value stored in this field.
-             * @return {string} The text to show on the html input.
-             * @protected
-             */
-            getEditorText_(value: any): string;
-    
-            /**
-             * Transform the text received from the html input into a value to store
-             * in this field.
-             * Override this method if the field's html input representation is different
-             * than the field's value. This should be coupled with an override of
-             * `getEditorText_`.
-             * @param {string} text Text received from the html input.
-             * @return {*} The value to store.
-             * @protected
-             */
-            getValueFromEditorText_(text: string): any;
-    } 
-    
-}
-
-declare module Blockly.FieldTextInput {
-
-    /**
-     * Construct a FieldTextInput from a JSON arg object,
-     * dereferencing any string table references.
-     * @param {!Object} options A JSON object with options (text, and spellcheck).
-     * @return {!Blockly.FieldTextInput} The new field instance.
-     * @package
-     * @nocollapse
-     */
-    function fromJson(options: Object): Blockly.FieldTextInput;
-
-    /**
-     * Pixel size of input border radius.
-     * Should match blocklyText's border-radius in CSS.
-     */
-    var BORDERRADIUS: any /*missing*/;
-
-    /**
-     * Ensure that only a number may be entered.
-     * @param {string} text The user's text.
-     * @return {?string} A string representing a valid number, or null if invalid.
-     * @deprecated
-     */
-    function numberValidator(text: string): string;
-
-    /**
-     * Ensure that only a non-negative integer may be entered.
-     * @param {string} text The user's text.
-     * @return {?string} A string representing a valid int, or null if invalid.
-     * @deprecated
-     */
-    function nonnegativeIntegerValidator(text: string): string;
-}
-
-
-declare module Blockly {
-
-    class FieldVariable extends FieldVariable__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class FieldVariable__Class extends Blockly.FieldDropdown__Class  { 
-    
-            /**
-             * Class for a variable's dropdown field.
-             * @param {?string} varName The default name for the variable.  If null,
-             *     a unique variable name will be generated.
-             * @param {Function=} opt_validator A function that is called to validate
-             *    changes to the field's value. Takes in a variable ID  & returns a
-             *    validated variable ID, or null to abort the change.
-             * @param {Array.<string>=} opt_variableTypes A list of the types of variables
-             *     to include in the dropdown.
-             * @param {string=} opt_defaultType The type of variable to create if this
-             *     field's value is not explicitly set.  Defaults to ''.
-             * @param {Object=} opt_config A map of options used to configure the field.
-             *    See the [field creation documentation]{@link https://developers.google.com/blockly/guides/create-custom-blocks/fields/built-in-fields/variable#creation}
-             *    for a list of properties this parameter supports.
-             * @extends {Blockly.FieldDropdown}
-             * @constructor
-             */
-            constructor(varName: string, opt_validator?: Function, opt_variableTypes?: string[], opt_defaultType?: string, opt_config?: Object);
-    
-            /**
-             * An array of options for a dropdown list,
-             * or a function which generates these options.
-             * @type {(!Array.<!Array>|
-             *    !function(this:Blockly.FieldDropdown): !Array.<!Array>)}
-             * @protected
-             */
-            menuGenerator_: any[][]|{ (): any[][] };
-    
-            /**
-             * The initial variable name passed to this field's constructor, or an
-             * empty string if a name wasn't provided. Used to create the initial
-             * variable.
-             * @type {string}
-             */
-            defaultVariableName: string;
-    
-            /**
-             * Serializable fields are saved by the XML renderer, non-serializable fields
-             * are not. Editable fields should also be serializable.
-             * @type {boolean}
-             */
-            SERIALIZABLE: boolean;
-    
-            /**
-             * Configure the field based on the given map of options.
-             * @param {!Object} config A map of options to configure the field based on.
-             * @protected
-             */
-            configure_(config: Object): void;
-    
-            /**
-             * Initialize the model for this field if it has not already been initialized.
-             * If the value has not been set to a variable by the first render, we make up a
-             * variable rather than let the value be invalid.
-             * @package
-             */
-            initModel(): void;
-    
-            /**
-             * Initialize this field based on the given XML.
-             * @param {!Element} fieldElement The element containing information about the
-             *    variable field's state.
-             */
-            fromXml(fieldElement: Element): void;
-    
-            /**
-             * Serialize this field to XML.
-             * @param {!Element} fieldElement The element to populate with info about the
-             *    field's state.
-             * @return {!Element} The element containing info about the field's state.
-             */
-            toXml(fieldElement: Element): Element;
-    
-            /**
-             * Attach this field to a block.
-             * @param {!Blockly.Block} block The block containing this field.
-             */
-            setSourceBlock(block: Blockly.Block): void;
-    
-            /**
-             * Get the variable's ID.
-             * @return {string} Current variable's ID.
-             */
-            getValue(): string;
-    
-            /**
-             * Get the text from this field, which is the selected variable's name.
-             * @return {string} The selected variable's name, or the empty string if no
-             *     variable is selected.
-             */
-            getText(): string;
-    
-            /**
-             * Get the variable model for the selected variable.
-             * Not guaranteed to be in the variable map on the workspace (e.g. if accessed
-             * after the variable has been deleted).
-             * @return {Blockly.VariableModel} The selected variable, or null if none was
-             *     selected.
-             * @package
-             */
-            getVariable(): Blockly.VariableModel;
-    
-            /**
-             * Gets the validation function for this field, or null if not set.
-             * Returns null if the variable is not set, because validators should not
-             * run on the initial setValue call, because the field won't be attached to
-             * a block and workspace at that point.
-             * @return {Function} Validation function, or null.
-             */
-            getValidator(): Function;
-    
-            /**
-             * Ensure that the id belongs to a valid variable of an allowed type.
-             * @param {*=} opt_newValue The id of the new variable to set.
-             * @return {?string} The validated id, or null if invalid.
-             * @protected
-             */
-            doClassValidation_(opt_newValue?: any): string;
-    
-            /**
-             * Update the value of this variable field, as well as its variable and text.
-             *
-             * The variable ID should be valid at this point, but if a variable field
-             * validator returns a bad ID, this could break.
-             * @param {*} newId The value to be saved.
-             * @protected
-             */
-            doValueUpdate_(newId: any): void;
-    
-            /**
-             * Refreshes the name of the variable by grabbing the name of the model.
-             * Used when a variable gets renamed, but the ID stays the same. Should only
-             * be called by the block.
-             * @package
-             */
-            refreshVariableName(): void;
-    
-            /**
-             * Handle the selection of an item in the variable dropdown menu.
-             * Special case the 'Rename variable...' and 'Delete variable...' options.
-             * In the rename case, prompt the user for a new name.
-             * @param {!Blockly.Menu} menu The Menu component clicked.
-             * @param {!Blockly.MenuItem} menuItem The MenuItem selected within menu.
-             * @protected
-             */
-            onItemSelected_(menu: Blockly.Menu, menuItem: Blockly.MenuItem): void;
-    } 
-    
-}
-
-declare module Blockly.FieldVariable {
-
-    /**
-     * Construct a FieldVariable from a JSON arg object,
-     * dereferencing any string table references.
-     * @param {!Object} options A JSON object with options (variable,
-     *                          variableTypes, and defaultType).
-     * @return {!Blockly.FieldVariable} The new field instance.
-     * @package
-     * @nocollapse
-     */
-    function fromJson(options: Object): Blockly.FieldVariable;
-
-    /**
-     * Return a sorted list of variable names for variable dropdown menus.
-     * Include a special option at the end for creating a new variable name.
-     * @return {!Array.<!Array>} Array of variable names/id tuples.
-     * @this {Blockly.FieldVariable}
-     */
-    function dropdownCreate(): any[][];
-}
-
-
-declare module Blockly {
-
-    class Flyout extends Flyout__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Flyout__Class implements Blockly.IBlocklyActionable, Blockly.IDeleteArea, Blockly.IFlyout  { 
-    
-            /**
-             * Class for a flyout.
-             * @param {!Blockly.Options} workspaceOptions Dictionary of options for the
-             *     workspace.
-             * @constructor
-             * @abstract
-             * @implements {Blockly.IBlocklyActionable}
-             * @implements {Blockly.IDeleteArea}
-             * @implements {Blockly.IFlyout}
-             */
-            constructor(workspaceOptions: Blockly.Options);
-    
-            /**
-             * @type {!Blockly.WorkspaceSvg}
-             * @protected
-             */
-            workspace_: Blockly.WorkspaceSvg;
-    
-            /**
-             * Is RTL vs LTR.
-             * @type {boolean}
-             */
-            RTL: boolean;
-    
-            /**
-             * Whether the flyout should be laid out horizontally or not.
-             * @type {boolean}
-             * @package
-             */
-            horizontalLayout: boolean;
-    
-            /**
-             * Position of the toolbox and flyout relative to the workspace.
-             * @type {number}
-             * @protected
-             */
-            toolboxPosition_: number;
-    
-            /**
-             * List of visible buttons.
-             * @type {!Array.<!Blockly.FlyoutButton>}
-             * @protected
-             */
-            buttons_: Blockly.FlyoutButton[];
-    
-            /**
-             * Width of output tab.
-             * @type {number}
-             * @protected
-             * @const
-             */
-            tabWidth_: number;
-    
-            /**
-             * The target workspace
-             * @type {?Blockly.WorkspaceSvg}
-             * @package
-             */
-            targetWorkspace: Blockly.WorkspaceSvg;
-    
-            /**
-             * Does the flyout automatically close when a block is created?
-             * @type {boolean}
-             */
-            autoClose: boolean;
-    
-            /**
-             * Corner radius of the flyout background.
-             * @type {number}
-             * @const
-             */
-            CORNER_RADIUS: number;
-    
-            /**
-             * Margin around the edges of the blocks in the flyout.
-             * @type {number}
-             * @const
-             */
-            MARGIN: number;
-    
-            /**
-             * Gap between items in horizontal flyouts. Can be overridden with the "sep"
-             * element.
-             * @const {number}
-             */
-            GAP_X: any /*missing*/;
-    
-            /**
-             * Gap between items in vertical flyouts. Can be overridden with the "sep"
-             * element.
-             * @const {number}
-             */
-            GAP_Y: any /*missing*/;
-    
-            /**
-             * Top/bottom padding between scrollbar and edge of flyout background.
-             * @type {number}
-             * @const
-             */
-            SCROLLBAR_PADDING: number;
-    
-            /**
-             * Width of flyout.
-             * @type {number}
-             * @protected
-             */
-            width_: number;
-    
-            /**
-             * Height of flyout.
-             * @type {number}
-             * @protected
-             */
-            height_: number;
-    
-            /**
-             * Range of a drag angle from a flyout considered "dragging toward workspace".
-             * Drags that are within the bounds of this many degrees from the orthogonal
-             * line to the flyout edge are considered to be "drags toward the workspace".
-             * Example:
-             * Flyout                                                  Edge   Workspace
-             * [block] /  <-within this angle, drags "toward workspace" |
-             * [block] ---- orthogonal to flyout boundary ----          |
-             * [block] \                                                |
-             * The angle is given in degrees from the orthogonal.
-             *
-             * This is used to know when to create a new block and when to scroll the
-             * flyout. Setting it to 360 means that all drags create a new block.
-             * @type {number}
-             * @protected
-            */
-            dragAngleRange_: number;
-    
-            /**
-             * Creates the flyout's DOM.  Only needs to be called once.  The flyout can
-             * either exist as its own svg element or be a g element nested inside a
-             * separate svg element.
-             * @param {string|
-             * !Blockly.utils.Svg<!SVGSVGElement>|
-             * !Blockly.utils.Svg<!SVGGElement>} tagName The type of tag to
-             *     put the flyout in. This should be <svg> or <g>.
-             * @return {!SVGElement} The flyout's SVG group.
-             */
-            createDom(tagName: string|Blockly.utils.Svg<SVGSVGElement>|Blockly.utils.Svg<SVGGElement>): SVGElement;
-    
-            /**
-             * Initializes the flyout.
-             * @param {!Blockly.WorkspaceSvg} targetWorkspace The workspace in which to
-             *     create new blocks.
-             */
-            init(targetWorkspace: Blockly.WorkspaceSvg): void;
-    
-            /**
-             * @type {!Blockly.Scrollbar}
-             * @package
-             */
-            scrollbar: Blockly.Scrollbar;
-    
-            /**
-             * Dispose of this flyout.
-             * Unlink from all DOM elements to prevent memory leaks.
-             * @suppress {checkTypes}
-             */
-            dispose(): void;
-    
-            /**
-             * Get the width of the flyout.
-             * @return {number} The width of the flyout.
-             */
-            getWidth(): number;
-    
-            /**
-             * Get the height of the flyout.
-             * @return {number} The width of the flyout.
-             */
-            getHeight(): number;
-    
-            /**
-             * Get the workspace inside the flyout.
-             * @return {!Blockly.WorkspaceSvg} The workspace inside the flyout.
-             * @package
-             */
-            getWorkspace(): Blockly.WorkspaceSvg;
-    
-            /**
-             * Is the flyout visible?
-             * @return {boolean} True if visible.
-             */
-            isVisible(): boolean;
-    
-            /**
-             * Set whether the flyout is visible. A value of true does not necessarily mean
-             * that the flyout is shown. It could be hidden because its container is hidden.
-             * @param {boolean} visible True if visible.
-             */
-            setVisible(visible: boolean): void;
-    
-            /**
-             * Set whether this flyout's container is visible.
-             * @param {boolean} visible Whether the container is visible.
-             */
-            setContainerVisible(visible: boolean): void;
-    
-            /**
-             * Update the view based on coordinates calculated in position().
-             * @param {number} width The computed width of the flyout's SVG group
-             * @param {number} height The computed height of the flyout's SVG group.
-             * @param {number} x The computed x origin of the flyout's SVG group.
-             * @param {number} y The computed y origin of the flyout's SVG group.
-             * @protected
-             */
-            positionAt_(width: number, height: number, x: number, y: number): void;
-    
-            /**
-             * Hide and empty the flyout.
-             */
-            hide(): void;
-    
-            /**
-             * Show and populate the flyout.
-             * @param {!Blockly.utils.toolbox.FlyoutDefinition|string} flyoutDef Contents to display
-             *     in the flyout. This is either an array of Nodes, a NodeList, a
-             *     toolbox definition, or a string with the name of the dynamic category.
-             */
-            show(flyoutDef: Blockly.utils.toolbox.FlyoutDefinition|string): void;
-    
-            /**
-             * Add listeners to a block that has been added to the flyout.
-             * @param {!SVGElement} root The root node of the SVG group the block is in.
-             * @param {!Blockly.BlockSvg} block The block to add listeners for.
-             * @param {!SVGElement} rect The invisible rectangle under the block that acts
-             *     as a mat for that block.
-             * @protected
-             */
-            addBlockListeners_(root: SVGElement, block: Blockly.BlockSvg, rect: SVGElement): void;
-    
-            /**
-             * Does this flyout allow you to create a new instance of the given block?
-             * Used for deciding if a block can be "dragged out of" the flyout.
-             * @param {!Blockly.BlockSvg} block The block to copy from the flyout.
-             * @return {boolean} True if you can create a new instance of the block, false
-             *    otherwise.
-             * @package
-             */
-            isBlockCreatable_(block: Blockly.BlockSvg): boolean;
-    
-            /**
-             * Create a copy of this block on the workspace.
-             * @param {!Blockly.BlockSvg} originalBlock The block to copy from the flyout.
-             * @return {!Blockly.BlockSvg} The newly created block.
-             * @throws {Error} if something went wrong with deserialization.
-             * @package
-             */
-            createBlock(originalBlock: Blockly.BlockSvg): Blockly.BlockSvg;
-    
-            /**
-             * Initialize the given button: move it to the correct location,
-             * add listeners, etc.
-             * @param {!Blockly.FlyoutButton} button The button to initialize and place.
-             * @param {number} x The x position of the cursor during this layout pass.
-             * @param {number} y The y position of the cursor during this layout pass.
-             * @protected
-             */
-            initFlyoutButton_(button: Blockly.FlyoutButton, x: number, y: number): void;
-    
-            /**
-             * Create and place a rectangle corresponding to the given block.
-             * @param {!Blockly.BlockSvg} block The block to associate the rect to.
-             * @param {number} x The x position of the cursor during this layout pass.
-             * @param {number} y The y position of the cursor during this layout pass.
-             * @param {!{height: number, width: number}} blockHW The height and width of the
-             *     block.
-             * @param {number} index The index into the mats list where this rect should be
-             *     placed.
-             * @return {!SVGElement} Newly created SVG element for the rectangle behind the
-             *     block.
-             * @protected
-             */
-            createRect_(block: Blockly.BlockSvg, x: number, y: number, blockHW: { height: number; width: number }, index: number): SVGElement;
-    
-            /**
-             * Move a rectangle to sit exactly behind a block, taking into account tabs,
-             * hats, and any other protrusions we invent.
-             * @param {!SVGElement} rect The rectangle to move directly behind the block.
-             * @param {!Blockly.BlockSvg} block The block the rectangle should be behind.
-             * @protected
-             */
-            moveRectToBlock_(rect: SVGElement, block: Blockly.BlockSvg): void;
-    
-            /**
-             * Reflow blocks and their mats.
-             */
-            reflow(): void;
-    
-            /**
-             * @return {boolean} True if this flyout may be scrolled with a scrollbar or by
-             *     dragging.
-             * @package
-             */
-            isScrollable(): boolean;
-    
-            /**
-             * Handles the given action.
-             * This is only triggered when keyboard accessibility mode is enabled.
-             * @param {!Blockly.Action} action The action to be handled.
-             * @return {boolean} True if the flyout handled the action, false otherwise.
-             * @package
-             */
-            onBlocklyAction(action: Blockly.Action): boolean;
-    
-            /**
-             * Return the deletion rectangle for this flyout in viewport coordinates.
-             * @return {Blockly.utils.Rect} Rectangle in which to delete.
-             */
-            getClientRect(): Blockly.utils.Rect;
-    
-            /**
-             * Position the flyout.
-             * @return {void}
-             */
-            position(): void;
-    
-            /**
-             * Determine if a drag delta is toward the workspace, based on the position
-             * and orientation of the flyout. This is used in determineDragIntention_ to
-             * determine if a new block should be created or if the flyout should scroll.
-             * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
-             *     moved from the position at mouse down, in pixel units.
-             * @return {boolean} True if the drag is toward the workspace.
-             * @package
-             */
-            isDragTowardWorkspace(currentDragDeltaXY: Blockly.utils.Coordinate): boolean;
-    
-            /**
-             * Return an object with all the metrics required to size scrollbars for the
-             * flyout.
-             * @return {Blockly.utils.Metrics} Contains size and position metrics of the
-             *     flyout.
-             * @protected
-             */
-            getMetrics_(): Blockly.utils.Metrics;
-    
-            /**
-             * Sets the translation of the flyout to match the scrollbars.
-             * @param {!{x:number,y:number}} xyRatio Contains a y property which is a float
-             *     between 0 and 1 specifying the degree of scrolling and a
-             *     similar x property.
-             * @protected
-             */
-            setMetrics_(xyRatio: { x: number; y: number }): void;
-    
-            /**
-             * Lay out the blocks in the flyout.
-             * @param {!Array.<!Object>} contents The blocks and buttons to lay out.
-             * @param {!Array.<number>} gaps The visible gaps between blocks.
-             * @protected
-             */
-            layout_(contents: Object[], gaps: number[]): void;
-    
-            /**
-             * Scroll the flyout.
-             * @param {!Event} e Mouse wheel scroll event.
-             * @protected
-             */
-            wheel_(e: Event): void;
-    
-            /**
-             * Compute height of flyout.  Position mat under each block.
-             * For RTL: Lay out the blocks right-aligned.
-             * @return {void}
-             * @protected
-             */
-            reflowInternal_(): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class FlyoutButton extends FlyoutButton__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class FlyoutButton__Class  { 
-    
-            /**
-             * Class for a button in the flyout.
-             * @param {!Blockly.WorkspaceSvg} workspace The workspace in which to place this
-             *     button.
-             * @param {!Blockly.WorkspaceSvg} targetWorkspace The flyout's target workspace.
-             * @param {!Blockly.utils.toolbox.ButtonOrLabelInfo} json
-             *    The JSON specifying the label/button.
-             * @param {boolean} isLabel Whether this button should be styled as a label.
-             * @constructor
-             * @package
-             */
-            constructor(workspace: Blockly.WorkspaceSvg, targetWorkspace: Blockly.WorkspaceSvg, json: Blockly.utils.toolbox.ButtonOrLabelInfo, isLabel: boolean);
-    
-            /**
-             * The JSON specifying the label / button.
-             * @type {!Blockly.utils.toolbox.ButtonOrLabelInfo}
-             */
-            info: Blockly.utils.toolbox.ButtonOrLabelInfo;
-    
-            /**
-             * The width of the button's rect.
-             * @type {number}
-             */
-            width: number;
-    
-            /**
-             * The height of the button's rect.
-             * @type {number}
-             */
-            height: number;
-    
-            /**
-             * Create the button elements.
-             * @return {!SVGElement} The button's SVG group.
-             */
-            createDom(): SVGElement;
-    
-            /**
-             * Correctly position the flyout button and make it visible.
-             */
-            show(): void;
-    
-            /**
-             * Move the button to the given x, y coordinates.
-             * @param {number} x The new x coordinate.
-             * @param {number} y The new y coordinate.
-             */
-            moveTo(x: number, y: number): void;
-    
-            /**
-             * @return {boolean} Whether or not the button is a label.
-             */
-            isLabel(): boolean;
-    
-            /**
-             * Location of the button.
-             * @return {!Blockly.utils.Coordinate} x, y coordinates.
-             * @package
-             */
-            getPosition(): Blockly.utils.Coordinate;
-    
-            /**
-             * @return {string} Text of the button.
-             */
-            getButtonText(): string;
-    
-            /**
-             * Get the button's target workspace.
-             * @return {!Blockly.WorkspaceSvg} The target workspace of the flyout where this
-             *     button resides.
-             */
-            getTargetWorkspace(): Blockly.WorkspaceSvg;
-    
-            /**
-             * Dispose of this button.
-             */
-            dispose(): void;
-    } 
-    
-}
-
-declare module Blockly.FlyoutButton {
-
-    /**
-     * The horizontal margin around the text in the button.
-     */
-    var MARGIN_X: any /*missing*/;
-
-    /**
-     * The vertical margin around the text in the button.
-     */
-    var MARGIN_Y: any /*missing*/;
-}
-
-
-declare module Blockly {
-
-    class FlyoutDragger extends FlyoutDragger__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class FlyoutDragger__Class extends Blockly.WorkspaceDragger__Class  { 
-    
-            /**
-             * Class for a flyout dragger.  It moves a flyout workspace around when it is
-             * being dragged by a mouse or touch.
-             * Note that the workspace itself manages whether or not it has a drag surface
-             * and how to do translations based on that.  This simply passes the right
-             * commands based on events.
-             * @param {!Blockly.IFlyout} flyout The flyout to drag.
-             * @extends {Blockly.WorkspaceDragger}
-             * @constructor
-             */
-            constructor(flyout: Blockly.IFlyout);
-    
-            /**
-             * Move the flyout based on the most recent mouse movements.
-             * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
-             *     moved from the position at the start of the drag, in pixel coordinates.
-             * @package
-             */
-            drag(currentDragDeltaXY: Blockly.utils.Coordinate): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class HorizontalFlyout extends HorizontalFlyout__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class HorizontalFlyout__Class extends Blockly.Flyout__Class  { 
-    
-            /**
-             * Class for a flyout.
-             * @param {!Blockly.Options} workspaceOptions Dictionary of options for the
-             *     workspace.
-             * @extends {Blockly.Flyout}
-             * @constructor
-             */
-            constructor(workspaceOptions: Blockly.Options);
-    
-            /**
-             * Return an object with all the metrics required to size scrollbars for the
-             * flyout.  The following properties are computed:
-             * .viewHeight: Height of the visible rectangle,
-             * .viewWidth: Width of the visible rectangle,
-             * .contentHeight: Height of the contents,
-             * .contentWidth: Width of the contents,
-             * .viewTop: Offset of top edge of visible rectangle from parent,
-             * .contentTop: Offset of the top-most content from the y=0 coordinate,
-             * .absoluteTop: Top-edge of view.
-             * .viewLeft: Offset of the left edge of visible rectangle from parent,
-             * .contentLeft: Offset of the left-most content from the x=0 coordinate,
-             * .absoluteLeft: Left-edge of view.
-             * @return {Blockly.utils.Metrics} Contains size and position metrics of the
-             *     flyout.
-             * @protected
-             */
-            getMetrics_(): Blockly.utils.Metrics;
-    
-            /**
-             * Sets the translation of the flyout to match the scrollbars.
-             * @param {!{x:number,y:number}} xyRatio Contains a y property which is a float
-             *     between 0 and 1 specifying the degree of scrolling and a
-             *     similar x property.
-             * @protected
-             */
-            setMetrics_(xyRatio: { x: number; y: number }): void;
-    
-            /**
-             * Move the flyout to the edge of the workspace.
-             */
-            position(): void;
-    
-            /**
-             * Scroll the flyout to the top.
-             */
-            scrollToStart(): void;
-    
-            /**
-             * Scroll the flyout.
-             * @param {!Event} e Mouse wheel scroll event.
-             * @protected
-             */
-            wheel_(e: Event): void;
-    
-            /**
-             * Lay out the blocks in the flyout.
-             * @param {!Array.<!Object>} contents The blocks and buttons to lay out.
-             * @param {!Array.<number>} gaps The visible gaps between blocks.
-             * @protected
-             */
-            layout_(contents: Object[], gaps: number[]): void;
-    
-            /**
-             * Determine if a drag delta is toward the workspace, based on the position
-             * and orientation of the flyout. This is used in determineDragIntention_ to
-             * determine if a new block should be created or if the flyout should scroll.
-             * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
-             *     moved from the position at mouse down, in pixel units.
-             * @return {boolean} True if the drag is toward the workspace.
-             * @package
-             */
-            isDragTowardWorkspace(currentDragDeltaXY: Blockly.utils.Coordinate): boolean;
-    
-            /**
-             * Return the deletion rectangle for this flyout in viewport coordinates.
-             * @return {Blockly.utils.Rect} Rectangle in which to delete.
-             */
-            getClientRect(): Blockly.utils.Rect;
-    
-            /**
-             * Compute height of flyout.  Position mat under each block.
-             * For RTL: Lay out the blocks right-aligned.
-             * @protected
-             */
-            reflowInternal_(): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class VerticalFlyout extends VerticalFlyout__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class VerticalFlyout__Class extends Blockly.Flyout__Class  { 
-    
-            /**
-             * Class for a flyout.
-             * @param {!Blockly.Options} workspaceOptions Dictionary of options for the
-             *     workspace.
-             * @extends {Blockly.Flyout}
-             * @constructor
-             */
-            constructor(workspaceOptions: Blockly.Options);
-    
-            /**
-             * Return an object with all the metrics required to size scrollbars for the
-             * flyout.  The following properties are computed:
-             * .viewHeight: Height of the visible rectangle,
-             * .viewWidth: Width of the visible rectangle,
-             * .contentHeight: Height of the contents,
-             * .contentWidth: Width of the contents,
-             * .viewTop: Offset of top edge of visible rectangle from parent,
-             * .contentTop: Offset of the top-most content from the y=0 coordinate,
-             * .absoluteTop: Top-edge of view.
-             * .viewLeft: Offset of the left edge of visible rectangle from parent,
-             * .contentLeft: Offset of the left-most content from the x=0 coordinate,
-             * .absoluteLeft: Left-edge of view.
-             * @return {Blockly.utils.Metrics} Contains size and position metrics of the
-             *     flyout.
-             * @protected
-             */
-            getMetrics_(): Blockly.utils.Metrics;
-    
-            /**
-             * Sets the translation of the flyout to match the scrollbars.
-             * @param {!{x:number,y:number}} xyRatio Contains a y property which is a float
-             *     between 0 and 1 specifying the degree of scrolling and a
-             *     similar x property.
-             * @protected
-             */
-            setMetrics_(xyRatio: { x: number; y: number }): void;
-    
-            /**
-             * Move the flyout to the edge of the workspace.
-             */
-            position(): void;
-    
-            /**
-             * Scroll the flyout to the top.
-             */
-            scrollToStart(): void;
-    
-            /**
-             * Scroll the flyout.
-             * @param {!Event} e Mouse wheel scroll event.
-             * @protected
-             */
-            wheel_(e: Event): void;
-    
-            /**
-             * Lay out the blocks in the flyout.
-             * @param {!Array.<!Object>} contents The blocks and buttons to lay out.
-             * @param {!Array.<number>} gaps The visible gaps between blocks.
-             * @protected
-             */
-            layout_(contents: Object[], gaps: number[]): void;
-    
-            /**
-             * Determine if a drag delta is toward the workspace, based on the position
-             * and orientation of the flyout. This is used in determineDragIntention_ to
-             * determine if a new block should be created or if the flyout should scroll.
-             * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
-             *     moved from the position at mouse down, in pixel units.
-             * @return {boolean} True if the drag is toward the workspace.
-             * @package
-             */
-            isDragTowardWorkspace(currentDragDeltaXY: Blockly.utils.Coordinate): boolean;
-    
-            /**
-             * Return the deletion rectangle for this flyout in viewport coordinates.
-             * @return {Blockly.utils.Rect} Rectangle in which to delete.
-             */
-            getClientRect(): Blockly.utils.Rect;
-    
-            /**
-             * Compute width of flyout.  Position mat under each block.
-             * For RTL: Lay out the blocks and buttons to be right-aligned.
-             * @protected
-             */
-            reflowInternal_(): void;
-    } 
-    
-}
-
-declare module Blockly.VerticalFlyout {
-
-    /**
-     * The name of the vertical flyout in the registry.
-     * @type {string}
-     */
-    var registryName: string;
-}
-
-
-declare module Blockly {
-
-    class Generator extends Generator__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Generator__Class  { 
-    
-            /**
-             * Class for a code generator that translates the blocks into a language.
-             * @param {string} name Language name of this generator.
-             * @constructor
-             */
-            constructor(name: string);
-    
-            /**
-             * Arbitrary code to inject into locations that risk causing infinite loops.
-             * Any instances of '%1' will be replaced by the block ID that failed.
-             * E.g. '  checkTimeout(%1);\n'
-             * @type {?string}
-             */
-            INFINITE_LOOP_TRAP: string;
-    
-            /**
-             * Arbitrary code to inject before every statement.
-             * Any instances of '%1' will be replaced by the block ID of the statement.
-             * E.g. 'highlight(%1);\n'
-             * @type {?string}
-             */
-            STATEMENT_PREFIX: string;
-    
-            /**
-             * Arbitrary code to inject after every statement.
-             * Any instances of '%1' will be replaced by the block ID of the statement.
-             * E.g. 'highlight(%1);\n'
-             * @type {?string}
-             */
-            STATEMENT_SUFFIX: string;
-    
-            /**
-             * The method of indenting.  Defaults to two spaces, but language generators
-             * may override this to increase indent or change to tabs.
-             * @type {string}
-             */
-            INDENT: string;
-    
-            /**
-             * Maximum length for a comment before wrapping.  Does not account for
-             * indenting level.
-             * @type {number}
-             */
-            COMMENT_WRAP: number;
-    
-            /**
-             * List of outer-inner pairings that do NOT require parentheses.
-             * @type {!Array.<!Array.<number>>}
-             */
-            ORDER_OVERRIDES: number[][];
-    
-            /**
-             * Generate code for all blocks in the workspace to the specified language.
-             * @param {Blockly.Workspace} workspace Workspace to generate code from.
-             * @return {string} Generated code.
-             */
-            workspaceToCode(workspace: Blockly.Workspace): string;
-    
-            /**
-             * Prepend a common prefix onto each line of code.
-             * Intended for indenting code or adding comment markers.
-             * @param {string} text The lines of code.
-             * @param {string} prefix The common prefix.
-             * @return {string} The prefixed lines of code.
-             */
-            prefixLines(text: string, prefix: string): string;
-    
-            /**
-             * Recursively spider a tree of blocks, returning all their comments.
-             * @param {!Blockly.Block} block The block from which to start spidering.
-             * @return {string} Concatenated list of comments.
-             */
-            allNestedComments(block: Blockly.Block): string;
-    
-            /**
-             * Generate code for the specified block (and attached blocks).
-             * @param {Blockly.Block} block The block to generate code for.
-             * @param {boolean=} opt_thisOnly True to generate code for only this statement.
-             * @return {string|!Array} For statement blocks, the generated code.
-             *     For value blocks, an array containing the generated code and an
-             *     operator order value.  Returns '' if block is null.
-             */
-            blockToCode(block: Blockly.Block, opt_thisOnly?: boolean): string|any[];
-    
-            /**
-             * Generate code representing the specified value input.
-             * @param {!Blockly.Block} block The block containing the input.
-             * @param {string} name The name of the input.
-             * @param {number} outerOrder The maximum binding strength (minimum order value)
-             *     of any operators adjacent to "block".
-             * @return {string} Generated code or '' if no blocks are connected or the
-             *     specified input does not exist.
-             */
-            valueToCode(block: Blockly.Block, name: string, outerOrder: number): string;
-    
-            /**
-             * Generate a code string representing the blocks attached to the named
-             * statement input. Indent the code.
-             * This is mainly used in generators. When trying to generate code to evaluate
-             * look at using workspaceToCode or blockToCode.
-             * @param {!Blockly.Block} block The block containing the input.
-             * @param {string} name The name of the input.
-             * @return {string} Generated code or '' if no blocks are connected.
-             */
-            statementToCode(block: Blockly.Block, name: string): string;
-    
-            /**
-             * Add an infinite loop trap to the contents of a loop.
-             * Add statement suffix at the start of the loop block (right after the loop
-             * statement executes), and a statement prefix to the end of the loop block
-             * (right before the loop statement executes).
-             * @param {string} branch Code for loop contents.
-             * @param {!Blockly.Block} block Enclosing block.
-             * @return {string} Loop contents, with infinite loop trap added.
-             */
-            addLoopTrap(branch: string, block: Blockly.Block): string;
-    
-            /**
-             * Inject a block ID into a message to replace '%1'.
-             * Used for STATEMENT_PREFIX, STATEMENT_SUFFIX, and INFINITE_LOOP_TRAP.
-             * @param {string} msg Code snippet with '%1'.
-             * @param {!Blockly.Block} block Block which has an ID.
-             * @return {string} Code snippet with ID.
-             */
-            injectId(msg: string, block: Blockly.Block): string;
-    
-            /**
-             * Comma-separated list of reserved words.
-             * @type {string}
-             * @protected
-             */
-            RESERVED_WORDS_: string;
-    
-            /**
-             * Add one or more words to the list of reserved words for this language.
-             * @param {string} words Comma-separated list of words to add to the list.
-             *     No spaces.  Duplicates are ok.
-             */
-            addReservedWords(words: string): void;
-    
-            /**
-             * This is used as a placeholder in functions defined using
-             * Blockly.Generator.provideFunction_.  It must not be legal code that could
-             * legitimately appear in a function definition (or comment), and it must
-             * not confuse the regular expression parser.
-             * @type {string}
-             * @protected
-             */
-            FUNCTION_NAME_PLACEHOLDER_: string;
-    
-            /**
-             * A dictionary of definitions to be printed before the code.
-             * @type {Object}
-             * @protected
-             */
-            definitions_: Object;
-    
-            /**
-             * A dictionary mapping desired function names in definitions_ to actual
-             * function names (to avoid collisions with user functions).
-             * @type {Object}
-             * @protected
-             */
-            functionNames_: Object;
-    
-            /**
-             * A database of variable names.
-             * @type {Blockly.Names}
-             * @protected
-             */
-            variableDB_: Blockly.Names;
-    
-            /**
-             * Define a function to be included in the generated code.
-             * The first time this is called with a given desiredName, the code is
-             * saved and an actual name is generated.  Subsequent calls with the
-             * same desiredName have no effect but have the same return value.
-             *
-             * It is up to the caller to make sure the same desiredName is not
-             * used for different code values.
-             *
-             * The code gets output when Blockly.Generator.finish() is called.
-             *
-             * @param {string} desiredName The desired name of the function (e.g., isPrime).
-             * @param {!Array.<string>} code A list of statements.  Use '  ' for indents.
-             * @return {string} The actual name of the new function.  This may differ
-             *     from desiredName if the former has already been taken by the user.
-             * @protected
-             */
-            provideFunction_(desiredName: string, code: string[]): string;
-    
-            /**
-             * Hook for code to run before code generation starts.
-             * Subclasses may override this, e.g. to initialise the database of variable
-             * names.
-             * @param {!Blockly.Workspace} _workspace Workspace to generate code from.
-             */
-            init(_workspace: Blockly.Workspace): void;
-    
-            /**
-             * Common tasks for generating code from blocks.  This is called from
-             * blockToCode and is called on every block, not just top level blocks.
-             * Subclasses may override this, e.g. to generate code for statements following
-             * the block, or to handle comments for the specified block and any connected
-             * value blocks.
-             * @param {!Blockly.Block} _block The current block.
-             * @param {string} code The code created for this block.
-             * @param {boolean=} _opt_thisOnly True to generate code for only this
-             *     statement.
-             * @return {string} Code with comments and subsequent blocks added.
-             * @protected
-             */
-            scrub_(_block: Blockly.Block, code: string, _opt_thisOnly?: boolean): string;
-    
-            /**
-             * Hook for code to run at end of code generation.
-             * Subclasses may override this, e.g. to prepend the generated code with the
-             * variable definitions.
-             * @param {string} code Generated code.
-             * @return {string} Completed code.
-             */
-            finish(code: string): string;
-    
-            /**
-             * Naked values are top-level blocks with outputs that aren't plugged into
-             * anything.
-             * Subclasses may override this, e.g. if their language does not allow
-             * naked values.
-             * @param {string} line Line of generated code.
-             * @return {string} Legal line of code.
-             */
-            scrubNakedValue(line: string): string;
-    } 
-    
-}
-
-declare module Blockly.Generator {
-
-    /**
-     * Category to separate generated function names from variables and procedures.
-     */
-    var NAME_TYPE: any /*missing*/;
-}
-
-
-declare module Blockly {
-
-    class Gesture extends Gesture__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Gesture__Class  { 
-    
-            /**
-             * Class for one gesture.
-             * @param {!Event} e The event that kicked off this gesture.
-             * @param {!Blockly.WorkspaceSvg} creatorWorkspace The workspace that created
-             *     this gesture and has a reference to it.
-             * @constructor
-             */
-            constructor(e: Event, creatorWorkspace: Blockly.WorkspaceSvg);
-    
-            /**
-             * The workspace that the gesture started on.  There may be multiple
-             * workspaces on a page; this is more accurate than using
-             * Blockly.getMainWorkspace().
-             * @type {Blockly.WorkspaceSvg}
-             * @protected
-             */
-            startWorkspace_: Blockly.WorkspaceSvg;
-    
-            /**
-             * A handle to use to unbind a mouse move listener at the end of a drag.
-             * Opaque data returned from Blockly.bindEventWithChecks_.
-             * @type {?Blockly.EventData}
-             * @protected
-             */
-            onMoveWrapper_: Blockly.EventData;
-    
-            /**
-             * A handle to use to unbind a mouse up listener at the end of a drag.
-             * Opaque data returned from Blockly.bindEventWithChecks_.
-             * @type {?Blockly.EventData}
-             * @protected
-             */
-            onUpWrapper_: Blockly.EventData;
-    
-            /**
-             * Boolean used internally to break a cycle in disposal.
-             * @type {boolean}
-             * @protected
-             */
-            isEnding_: boolean;
-    
-            /**
-             * Sever all links from this object.
-             * @package
-             */
-            dispose(): void;
-    
-            /**
-             * Start a gesture: update the workspace to indicate that a gesture is in
-             * progress and bind mousemove and mouseup handlers.
-             * @param {!Event} e A mouse down or touch start event.
-             * @package
-             */
-            doStart(e: Event): void;
-    
-            /**
-             * Bind gesture events.
-             * @param {!Event} e A mouse down or touch start event.
-             * @package
-             */
-            bindMouseEvents(e: Event): void;
-    
-            /**
-             * Handle a mouse move or touch move event.
-             * @param {!Event} e A mouse move or touch move event.
-             * @package
-             */
-            handleMove(e: Event): void;
-    
-            /**
-             * Handle a mouse up or touch end event.
-             * @param {!Event} e A mouse up or touch end event.
-             * @package
-             */
-            handleUp(e: Event): void;
-    
-            /**
-             * Cancel an in-progress gesture.  If a workspace or block drag is in progress,
-             * end the drag at the most recent location.
-             * @package
-             */
-            cancel(): void;
-    
-            /**
-             * Handle a real or faked right-click event by showing a context menu.
-             * @param {!Event} e A mouse move or touch move event.
-             * @package
-             */
-            handleRightClick(e: Event): void;
-    
-            /**
-             * Handle a mousedown/touchstart event on a workspace.
-             * @param {!Event} e A mouse down or touch start event.
-             * @param {!Blockly.WorkspaceSvg} ws The workspace the event hit.
-             * @package
-             */
-            handleWsStart(e: Event, ws: Blockly.WorkspaceSvg): void;
-    
-            /**
-             * Handle a mousedown/touchstart event on a flyout.
-             * @param {!Event} e A mouse down or touch start event.
-             * @param {!Blockly.IFlyout} flyout The flyout the event hit.
-             * @package
-             */
-            handleFlyoutStart(e: Event, flyout: Blockly.IFlyout): void;
-    
-            /**
-             * Handle a mousedown/touchstart event on a block.
-             * @param {!Event} e A mouse down or touch start event.
-             * @param {!Blockly.BlockSvg} block The block the event hit.
-             * @package
-             */
-            handleBlockStart(e: Event, block: Blockly.BlockSvg): void;
-    
-            /**
-             * Handle a mousedown/touchstart event on a bubble.
-             * @param {!Event} e A mouse down or touch start event.
-             * @param {!Blockly.IBubble} bubble The bubble the event hit.
-             * @package
-             */
-            handleBubbleStart(e: Event, bubble: Blockly.IBubble): void;
-    
-            /**
-             * Record the field that a gesture started on.
-             * @param {Blockly.Field} field The field the gesture started on.
-             * @package
-             */
-            setStartField(field: Blockly.Field): void;
-    
-            /**
-             * Record the bubble that a gesture started on
-             * @param {Blockly.IBubble} bubble The bubble the gesture started on.
-             * @package
-             */
-            setStartBubble(bubble: Blockly.IBubble): void;
-    
-            /**
-             * Record the block that a gesture started on, and set the target block
-             * appropriately.
-             * @param {Blockly.BlockSvg} block The block the gesture started on.
-             * @package
-             */
-            setStartBlock(block: Blockly.BlockSvg): void;
-    
-            /**
-             * Whether this gesture is a drag of either a workspace or block.
-             * This function is called externally to block actions that cannot be taken
-             * mid-drag (e.g. using the keyboard to delete the selected blocks).
-             * @return {boolean} True if this gesture is a drag of a workspace or block.
-             * @package
-             */
-            isDragging(): boolean;
-    
-            /**
-             * Whether this gesture has already been started.  In theory every mouse down
-             * has a corresponding mouse up, but in reality it is possible to lose a
-             * mouse up, leaving an in-process gesture hanging.
-             * @return {boolean} Whether this gesture was a click on a workspace.
-             * @package
-             */
-            hasStarted(): boolean;
-    
-            /**
-             * Get a list of the insertion markers that currently exist.  Block drags have
-             * 0, 1, or 2 insertion markers.
-             * @return {!Array.<!Blockly.BlockSvg>} A possibly empty list of insertion
-             *     marker blocks.
-             * @package
-             */
-            getInsertionMarkers(): Blockly.BlockSvg[];
-    } 
-    
-}
-
-declare module Blockly.Gesture {
-
-    /**
-     * Is a drag or other gesture currently in progress on any workspace?
-     * @return {boolean} True if gesture is occurring.
-     */
-    function inProgress(): boolean;
-}
-
-
-declare module Blockly {
-
-    class Grid extends Grid__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Grid__Class  { 
-    
-            /**
-             * Class for a workspace's grid.
-             * @param {!SVGElement} pattern The grid's SVG pattern, created during
-             *     injection.
-             * @param {!Object} options A dictionary of normalized options for the grid.
-             *     See grid documentation:
-             *     https://developers.google.com/blockly/guides/configure/web/grid
-             * @constructor
-             */
-            constructor(pattern: SVGElement, options: Object);
-    
-            /**
-             * Dispose of this grid and unlink from the DOM.
-             * @package
-             * @suppress {checkTypes}
-             */
-            dispose(): void;
-    
-            /**
-             * Whether blocks should snap to the grid, based on the initial configuration.
-             * @return {boolean} True if blocks should snap, false otherwise.
-             * @package
-             */
-            shouldSnap(): boolean;
-    
-            /**
-             * Get the spacing of the grid points (in px).
-             * @return {number} The spacing of the grid points.
-             * @package
-             */
-            getSpacing(): number;
-    
-            /**
-             * Get the id of the pattern element, which should be randomized to avoid
-             * conflicts with other Blockly instances on the page.
-             * @return {string} The pattern ID.
-             * @package
-             */
-            getPatternId(): string;
-    
-            /**
-             * Update the grid with a new scale.
-             * @param {number} scale The new workspace scale.
-             * @package
-             */
-            update(scale: number): void;
-    
-            /**
-             * Move the grid to a new x and y position, and make sure that change is
-             * visible.
-             * @param {number} x The new x position of the grid (in px).
-             * @param {number} y The new y position of the grid (in px).
-             * @package
-             */
-            moveTo(x: number, y: number): void;
-    } 
-    
-}
-
-declare module Blockly.Grid {
-
-    /**
-     * Create the DOM for the grid described by options.
-     * @param {string} rnd A random ID to append to the pattern's ID.
-     * @param {!Object} gridOptions The object containing grid configuration.
-     * @param {!SVGElement} defs The root SVG element for this workspace's defs.
-     * @return {!SVGElement} The SVG element for the grid pattern.
-     * @package
-     */
-    function createDom(rnd: string, gridOptions: Object, defs: SVGElement): SVGElement;
-}
-
-
-declare module Blockly {
-
-    class Icon extends Icon__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Icon__Class  { 
-    
-            /**
-             * Class for an icon.
-             * @param {Blockly.BlockSvg} block The block associated with this icon.
-             * @constructor
-             * @abstract
-             */
-            constructor(block: Blockly.BlockSvg);
-    
-            /**
-             * The block this icon is attached to.
-             * @type {Blockly.BlockSvg}
-             * @protected
-             */
-            block_: Blockly.BlockSvg;
-    
-            /**
-             * The icon SVG group.
-             * @type {?SVGGElement}
-             */
-            iconGroup_: SVGGElement;
-    
-            /**
-             * Does this icon get hidden when the block is collapsed.
-             */
-            collapseHidden: any /*missing*/;
-    
-            /**
-             * Height and width of icons.
-             */
-            SIZE: any /*missing*/;
-    
-            /**
-             * Bubble UI (if visible).
-             * @type {Blockly.Bubble}
-             * @protected
-             */
-            bubble_: Blockly.Bubble;
-    
-            /**
-             * Absolute coordinate of icon's center.
-             * @type {Blockly.utils.Coordinate}
-             * @protected
-             */
-            iconXY_: Blockly.utils.Coordinate;
-    
-            /**
-             * Create the icon on the block.
-             */
-            createIcon(): void;
-    
-            /**
-             * Dispose of this icon.
-             */
-            dispose(): void;
-    
-            /**
-             * Add or remove the UI indicating if this icon may be clicked or not.
-             */
-            updateEditable(): void;
-    
-            /**
-             * Is the associated bubble visible?
-             * @return {boolean} True if the bubble is visible.
-             */
-            isVisible(): boolean;
-    
-            /**
-             * Clicking on the icon toggles if the bubble is visible.
-             * @param {!Event} e Mouse click event.
-             * @protected
-             */
-            iconClick_(e: Event): void;
-    
-            /**
-             * Change the colour of the associated bubble to match its block.
-             */
-            applyColour(): void;
-    
-            /**
-             * Notification that the icon has moved.  Update the arrow accordingly.
-             * @param {!Blockly.utils.Coordinate} xy Absolute location in workspace coordinates.
-             */
-            setIconLocation(xy: Blockly.utils.Coordinate): void;
-    
-            /**
-             * Notification that the icon has moved, but we don't really know where.
-             * Recompute the icon's location from scratch.
-             */
-            computeIconLocation(): void;
-    
-            /**
-             * Returns the center of the block's icon relative to the surface.
-             * @return {Blockly.utils.Coordinate} Object with x and y properties in
-             *     workspace coordinates.
-             */
-            getIconLocation(): Blockly.utils.Coordinate;
-    
-            /**
-             * Get the size of the icon as used for rendering.
-             * This differs from the actual size of the icon, because it bulges slightly
-             * out of its row rather than increasing the height of its row.
-             * @return {!Blockly.utils.Size} Height and width.
-             */
-            getCorrectedSize(): Blockly.utils.Size;
-    
-            /**
-             * Draw the icon.
-             * @param {!Element} group The icon group.
-             * @protected
-             */
-            drawIcon_(group: Element): void;
-    
-            /**
-             * Show or hide the icon.
-             * @param {boolean} visible True if the icon should be visible.
-             */
-            setVisible(visible: boolean): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    /**
-     * Inject a Blockly editor into the specified container element (usually a div).
-     * @param {Element|string} container Containing element, or its ID,
-     *     or a CSS selector.
-     * @param {Blockly.BlocklyOptions=} opt_options Optional dictionary of options.
-     * @return {!Blockly.WorkspaceSvg} Newly created main workspace.
-     */
-    function inject(container: Element|string, opt_options?: Blockly.BlocklyOptions): Blockly.WorkspaceSvg;
-}
-
-
-declare module Blockly {
-
-    class Input extends Input__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Input__Class  { 
-    
-            /**
-             * Class for an input with an optional field.
-             * @param {number} type The type of the input.
-             * @param {string} name Language-neutral identifier which may used to find this
-             *     input again.
-             * @param {!Blockly.Block} block The block containing this input.
-             * @param {Blockly.Connection} connection Optional connection for this input.
-             * @constructor
-             */
-            constructor(type: number, name: string, block: Blockly.Block, connection: Blockly.Connection);
-    
-            /** @type {number} */
-            type: number;
-    
-            /** @type {string} */
-            name: string;
-    
-            /** @type {Blockly.Connection} */
-            connection: Blockly.Connection;
-    
-            /** @type {!Array.<!Blockly.Field>} */
-            fieldRow: Blockly.Field[];
-    
-            /**
-             * Alignment of input's fields (left, right or centre).
-             * @type {number}
-             */
-            align: number;
-    
-            /**
-             * Get the source block for this input.
-             * @return {Blockly.Block} The source block, or null if there is none.
-             */
-            getSourceBlock(): Blockly.Block;
-    
-            /**
-             * Add a field (or label from string), and all prefix and suffix fields, to the
-             * end of the input's field row.
-             * @param {string|!Blockly.Field} field Something to add as a field.
-             * @param {string=} opt_name Language-neutral identifier which may used to find
-             *     this field again.  Should be unique to the host block.
-             * @return {!Blockly.Input} The input being append to (to allow chaining).
-             */
-            appendField(field: string|Blockly.Field, opt_name?: string): Blockly.Input;
-    
-            /**
-             * Inserts a field (or label from string), and all prefix and suffix fields, at
-             * the location of the input's field row.
-             * @param {number} index The index at which to insert field.
-             * @param {string|!Blockly.Field} field Something to add as a field.
-             * @param {string=} opt_name Language-neutral identifier which may used to find
-             *     this field again.  Should be unique to the host block.
-             * @return {number} The index following the last inserted field.
-             */
-            insertFieldAt(index: number, field: string|Blockly.Field, opt_name?: string): number;
-    
-            /**
-             * Remove a field from this input.
-             * @param {string} name The name of the field.
-             * @param {boolean=} opt_quiet True to prevent an error if field is not present.
-             * @return {boolean} True if operation succeeds, false if field is not present
-             *     and opt_quiet is true.
-             * @throws {Error} if the field is not present and opt_quiet is false.
-             */
-            removeField(name: string, opt_quiet?: boolean): boolean;
-    
-            /**
-             * Gets whether this input is visible or not.
-             * @return {boolean} True if visible.
-             */
-            isVisible(): boolean;
-    
-            /**
-             * Sets whether this input is visible or not.
-             * Should only be used to collapse/uncollapse a block.
-             * @param {boolean} visible True if visible.
-             * @return {!Array.<!Blockly.BlockSvg>} List of blocks to render.
-             * @package
-             */
-            setVisible(visible: boolean): Blockly.BlockSvg[];
-    
-            /**
-             * Mark all fields on this input as dirty.
-             * @package
-             */
-            markDirty(): void;
-    
-            /**
-             * Change a connection's compatibility.
-             * @param {string|Array.<string>|null} check Compatible value type or
-             *     list of value types.  Null if all types are compatible.
-             * @return {!Blockly.Input} The input being modified (to allow chaining).
-             */
-            setCheck(check: string|string[]|any /*null*/): Blockly.Input;
-    
-            /**
-             * Change the alignment of the connection's field(s).
-             * @param {number} align One of Blockly.ALIGN_LEFT, ALIGN_CENTRE, ALIGN_RIGHT.
-             *   In RTL mode directions are reversed, and ALIGN_RIGHT aligns to the left.
-             * @return {!Blockly.Input} The input being modified (to allow chaining).
-             */
-            setAlign(align: number): Blockly.Input;
-    
-            /**
-             * Changes the connection's shadow block.
-             * @param {Element} shadow DOM representation of a block or null.
-             * @return {Blockly.Input} The input being modified (to allow chaining).
-             */
-            setShadowDom(shadow: Element): Blockly.Input;
-    
-            /**
-             * Returns the xml representation of the connection's shadow block.
-             * @return {Element} Shadow DOM representation of a block or null.
-             */
-            getShadowDom(): Element;
-    
-            /**
-             * Initialize the fields on this input.
-             */
-            init(): void;
-    
-            /**
-             * Sever all links to this input.
-             * @suppress {checkTypes}
-             */
-            dispose(): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class InsertionMarkerManager extends InsertionMarkerManager__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class InsertionMarkerManager__Class  { 
-    
-            /**
-             * Class that controls updates to connections during drags.  It is primarily
-             * responsible for finding the closest eligible connection and highlighting or
-             * unhiglighting it as needed during a drag.
-             * @param {!Blockly.BlockSvg} block The top block in the stack being dragged.
-             * @constructor
-             */
-            constructor(block: Blockly.BlockSvg);
-    
-            /**
-             * Sever all links from this object.
-             * @package
-             */
-            dispose(): void;
-    
-            /**
-             * Update the available connections for the top block. These connections can
-             * change if a block is unplugged and the stack is healed.
-             * @package
-             */
-            updateAvailableConnections(): void;
-    
-            /**
-             * Return whether the block would be deleted if dropped immediately, based on
-             * information from the most recent move event.
-             * @return {boolean} True if the block would be deleted if dropped immediately.
-             * @package
-             */
-            wouldDeleteBlock(): boolean;
-    
-            /**
-             * Return whether the block would be connected if dropped immediately, based on
-             * information from the most recent move event.
-             * @return {boolean} True if the block would be connected if dropped
-             *   immediately.
-             * @package
-             */
-            wouldConnectBlock(): boolean;
-    
-            /**
-             * Connect to the closest connection and render the results.
-             * This should be called at the end of a drag.
-             * @package
-             */
-            applyConnections(): void;
-    
-            /**
-             * Update connections based on the most recent move location.
-             * @param {!Blockly.utils.Coordinate} dxy Position relative to drag start,
-             *     in workspace units.
-             * @param {?number} deleteArea One of {@link Blockly.DELETE_AREA_TRASH},
-             *     {@link Blockly.DELETE_AREA_TOOLBOX}, or {@link Blockly.DELETE_AREA_NONE}.
-             * @package
-             */
-            update(dxy: Blockly.utils.Coordinate, deleteArea: number): void;
-    
-            /**
-             * Get a list of the insertion markers that currently exist.  Drags have 0, 1,
-             * or 2 insertion markers.
-             * @return {!Array.<!Blockly.BlockSvg>} A possibly empty list of insertion
-             *     marker blocks.
-             * @package
-             */
-            getInsertionMarkers(): Blockly.BlockSvg[];
-    } 
-    
-}
-
-declare module Blockly.InsertionMarkerManager {
-
-    /**
-     * An enum describing different kinds of previews the InsertionMarkerManager
-     * could display.
-     * @enum {number}
-     */
-    enum PREVIEW_TYPE { INSERTION_MARKER, INPUT_OUTLINE, REPLACEMENT_FADE } 
-}
-
-
-declare module Blockly {
-
-    class MarkerManager extends MarkerManager__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class MarkerManager__Class  { 
-    
-            /**
-             * Class to manage the multiple markers and the cursor on a workspace.
-             * @param {!Blockly.WorkspaceSvg} workspace The workspace for the marker manager.
-             * @constructor
-             * @package
-             */
-            constructor(workspace: Blockly.WorkspaceSvg);
-    
-            /**
-             * Register the marker by adding it to the map of markers.
-             * @param {string} id A unique identifier for the marker.
-             * @param {!Blockly.Marker} marker The marker to register.
-             */
-            registerMarker(id: string, marker: Blockly.Marker): void;
-    
-            /**
-             * Unregister the marker by removing it from the map of markers.
-             * @param {string} id The id of the marker to unregister.
-             */
-            unregisterMarker(id: string): void;
-    
-            /**
-             * Get the cursor for the workspace.
-             * @return {Blockly.Cursor} The cursor for this workspace.
-             */
-            getCursor(): Blockly.Cursor;
-    
-            /**
-             * Get a single marker that corresponds to the given id.
-             * @param {string} id A unique identifier for the marker.
-             * @return {Blockly.Marker} The marker that corresponds to the given id, or null
-             *     if none exists.
-             */
-            getMarker(id: string): Blockly.Marker;
-    
-            /**
-             * Sets the cursor and initializes the drawer for use with keyboard navigation.
-             * @param {Blockly.Cursor} cursor The cursor used to move around this workspace.
-             */
-            setCursor(cursor: Blockly.Cursor): void;
-    
-            /**
-             * Add the cursor svg to this workspace svg group.
-             * @param {SVGElement} cursorSvg The svg root of the cursor to be added to the
-             *     workspace svg group.
-             * @package
-             */
-            setCursorSvg(cursorSvg: SVGElement): void;
-    
-            /**
-             * Add the marker svg to this workspaces svg group.
-             * @param {SVGElement} markerSvg The svg root of the marker to be added to the
-             *     workspace svg group.
-             * @package
-             */
-            setMarkerSvg(markerSvg: SVGElement): void;
-    
-            /**
-             * Redraw the attached cursor svg if needed.
-             * @package
-             */
-            updateMarkers(): void;
-    
-            /**
-             * Dispose of the marker manager.
-             * Go through and delete all markers associated with this marker manager.
-             * @suppress {checkTypes}
-             * @package
-             */
-            dispose(): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class Menu extends Menu__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Menu__Class  { 
-    
-            /**
-             * A basic menu class.
-             * @constructor
-             */
-            constructor();
-    
-            /**
-             * Coordinates of the mousedown event that caused this menu to open. Used to
-             * prevent the consequent mouseup event due to a simple click from activating
-             * a menu item immediately.
-             * @type {?Blockly.utils.Coordinate}
-             * @package
-             */
-            openingCoords: Blockly.utils.Coordinate;
-    
-            /**
-             * Add a new menu item to the bottom of this menu.
-             * @param {!Blockly.MenuItem} menuItem Menu item to append.
-             */
-            addChild(menuItem: Blockly.MenuItem): void;
-    
-            /**
-             * Creates the menu DOM.
-             * @param {!Element} container Element upon which to append this menu.
-             */
-            render(container: Element): void;
-    
-            /**
-             * Gets the menu's element.
-             * @return {Element} The DOM element.
-             * @package
-             */
-            getElement(): Element;
-    
-            /**
-             * Focus the menu element.
-             * @package
-             */
-            focus(): void;
-    
-            /**
-             * Set the menu accessibility role.
-             * @param {!Blockly.utils.aria.Role} roleName role name.
-             * @package
-             */
-            setRole(roleName: Blockly.utils.aria.Role): void;
-    
-            /**
-             * Dispose of this menu.
-             */
-            dispose(): void;
-    
-            /**
-             * Highlights the given menu item, or clears highlighting if null.
-             * @param {Blockly.MenuItem} item Item to highlight, or null.
-             * @package
-             */
-            setHighlighted(item: Blockly.MenuItem): void;
-    
-            /**
-             * Highlights the next highlightable item (or the first if nothing is currently
-             * highlighted).
-             * @package
-             */
-            highlightNext(): void;
-    
-            /**
-             * Highlights the previous highlightable item (or the last if nothing is
-             * currently highlighted).
-             * @package
-             */
-            highlightPrevious(): void;
-    
-            /**
-             * Get the size of a rendered menu.
-             * @return {!Blockly.utils.Size} Object with width and height properties.
-             * @package
-             */
-            getSize(): Blockly.utils.Size;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class MenuItem extends MenuItem__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class MenuItem__Class  { 
-    
-            /**
-             * Class representing an item in a menu.
-             *
-             * @param {string|!HTMLElement} content Text caption to display as the content
-             *     of the item, or a HTML element to display.
-             * @param {string=} opt_value Data/model associated with the menu item.
-             * @constructor
-             */
-            constructor(content: string|HTMLElement, opt_value?: string);
-    
-            /**
-             * Creates the menuitem's DOM.
-             * @return {!Element} Completed DOM.
-             */
-            createDom(): Element;
-    
-            /**
-             * Dispose of this menu item.
-             */
-            dispose(): void;
-    
-            /**
-             * Gets the menu item's element.
-             * @return {Element} The DOM element.
-             * @package
-             */
-            getElement(): Element;
-    
-            /**
-             * Gets the unique ID for this menu item.
-             * @return {string} Unique component ID.
-             * @package
-             */
-            getId(): string;
-    
-            /**
-             * Gets the value associated with the menu item.
-             * @return {*} value Value associated with the menu item.
-             * @package
-             */
-            getValue(): any;
-    
-            /**
-             * Set menu item's rendering direction.
-             * @param {boolean} rtl True if RTL, false if LTR.
-             * @package
-             */
-            setRightToLeft(rtl: boolean): void;
-    
-            /**
-             * Set the menu item's accessibility role.
-             * @param {!Blockly.utils.aria.Role} roleName Role name.
-             * @package
-             */
-            setRole(roleName: Blockly.utils.aria.Role): void;
-    
-            /**
-             * Sets the menu item to be checkable or not. Set to true for menu items
-             * that represent checkable options.
-             * @param {boolean} checkable Whether the menu item is checkable.
-             * @package
-             */
-            setCheckable(checkable: boolean): void;
-    
-            /**
-             * Checks or unchecks the component.
-             * @param {boolean} checked Whether to check or uncheck the component.
-             * @package
-             */
-            setChecked(checked: boolean): void;
-    
-            /**
-             * Highlights or unhighlights the component.
-             * @param {boolean} highlight Whether to highlight or unhighlight the component.
-             * @package
-             */
-            setHighlighted(highlight: boolean): void;
-    
-            /**
-             * Returns true if the menu item is enabled, false otherwise.
-             * @return {boolean} Whether the menu item is enabled.
-             * @package
-             */
-            isEnabled(): boolean;
-    
-            /**
-             * Enables or disables the menu item.
-             * @param {boolean} enabled Whether to enable or disable the menu item.
-             * @package
-             */
-            setEnabled(enabled: boolean): void;
-    
-            /**
-             * Performs the appropriate action when the menu item is activated
-             * by the user.
-             * @package
-             */
-            performAction(): void;
-    
-            /**
-             * Set the handler that's called when the menu item is activated by the user.
-             * `obj` will be used as the 'this' object in the function when called.
-             * @param {function(!Blockly.MenuItem)} fn The handler.
-             * @param {!Object} obj Used as the 'this' object in fn when called.
-             * @package
-             */
-            onAction(fn: { (_0: Blockly.MenuItem): any /*missing*/ }, obj: Object): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class Mutator extends Mutator__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Mutator__Class extends Blockly.Icon__Class  { 
-    
-            /**
-             * Class for a mutator dialog.
-             * @param {!Array.<string>} quarkNames List of names of sub-blocks for flyout.
-             * @extends {Blockly.Icon}
-             * @constructor
-             */
-            constructor(quarkNames: string[]);
-    
-            /**
-             * Set the block this mutator is associated with.
-             * @param {Blockly.BlockSvg} block The block associated with this mutator.
-             * @package
-             */
-            setBlock(block: Blockly.BlockSvg): void;
-    
-            /**
-             * Returns the workspace inside this mutator icon's bubble.
-             * @return {Blockly.WorkspaceSvg} The workspace inside this mutator icon's
-             *     bubble.
-             * @package
-             */
-            getWorkspace(): Blockly.WorkspaceSvg;
-    
-            /**
-             * Draw the mutator icon.
-             * @param {!Element} group The icon group.
-             * @protected
-             */
-            drawIcon_(group: Element): void;
-    
-            /**
-             * Add or remove the UI indicating if this icon may be clicked or not.
-             */
-            updateEditable(): void;
-    
-            /**
-             * Show or hide the mutator bubble.
-             * @param {boolean} visible True if the bubble should be visible.
-             */
-            setVisible(visible: boolean): void;
-    
-            /**
-             * Dispose of this mutator.
-             */
-            dispose(): void;
-    
-            /**
-             * Update the styles on all blocks in the mutator.
-             * @public
-             */
-            updateBlockStyle(): void;
-    } 
-    
-}
-
-declare module Blockly.Mutator {
-
-    /**
-     * Reconnect an block to a mutated input.
-     * @param {Blockly.Connection} connectionChild Connection on child block.
-     * @param {!Blockly.Block} block Parent block.
-     * @param {string} inputName Name of input on parent block.
-     * @return {boolean} True iff a reconnection was made, false otherwise.
-     */
-    function reconnect(connectionChild: Blockly.Connection, block: Blockly.Block, inputName: string): boolean;
-
-    /**
-     * Get the parent workspace of a workspace that is inside a mutator, taking into
-     * account whether it is a flyout.
-     * @param {Blockly.Workspace} workspace The workspace that is inside a mutator.
-     * @return {Blockly.Workspace} The mutator's parent workspace or null.
-     * @public
-     */
-    function findParentWs(workspace: Blockly.Workspace): Blockly.Workspace;
-}
-
-
-declare module Blockly {
-
-    class Names extends Names__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Names__Class  { 
-    
-            /**
-             * Class for a database of entity names (variables, functions, etc).
-             * @param {string} reservedWords A comma-separated string of words that are
-             *     illegal for use as names in a language (e.g. 'new,if,this,...').
-             * @param {string=} opt_variablePrefix Some languages need a '$' or a namespace
-             *     before all variable names.
-             * @constructor
-             */
-            constructor(reservedWords: string, opt_variablePrefix?: string);
-    
-            /**
-             * Empty the database and start from scratch.  The reserved words are kept.
-             */
-            reset(): void;
-    
-            /**
-             * Set the variable map that maps from variable name to variable object.
-             * @param {!Blockly.VariableMap} map The map to track.
-             */
-            setVariableMap(map: Blockly.VariableMap): void;
-    
-            /**
-             * Convert a Blockly entity name to a legal exportable entity name.
-             * @param {string} name The Blockly entity name (no constraints).
-             * @param {string} type The type of entity in Blockly
-             *     ('VARIABLE', 'PROCEDURE', 'BUILTIN', etc...).
-             * @return {string} An entity name that is legal in the exported language.
-             */
-            getName(name: string, type: string): string;
-    
-            /**
-             * Convert a Blockly entity name to a legal exportable entity name.
-             * Ensure that this is a new name not overlapping any previously defined name.
-             * Also check against list of reserved words for the current language and
-             * ensure name doesn't collide.
-             * @param {string} name The Blockly entity name (no constraints).
-             * @param {string} type The type of entity in Blockly
-             *     ('VARIABLE', 'PROCEDURE', 'BUILTIN', etc...).
-             * @return {string} An entity name that is legal in the exported language.
-             */
-            getDistinctName(name: string, type: string): string;
-    } 
-    
-}
-
-declare module Blockly.Names {
-
-    /**
-     * Constant to separate developer variable names from user-defined variable
-     * names when running generators.
-     * A developer variable will be declared as a global in the generated code, but
-     * will never be shown to the user in the workspace or stored in the variable
-     * map.
-     */
-    var DEVELOPER_VARIABLE_TYPE: any /*missing*/;
-
-    /**
-     * Do the given two entity names refer to the same entity?
-     * Blockly names are case-insensitive.
-     * @param {string} name1 First name.
-     * @param {string} name2 Second name.
-     * @return {boolean} True if names are the same.
-     */
-    function equals(name1: string, name2: string): boolean;
-}
-
-
-declare module Blockly {
-
-    class Options extends Options__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Options__Class  { 
-    
-            /**
-             * Parse the user-specified options, using reasonable defaults where behaviour
-             * is unspecified.
-             * @param {!Blockly.BlocklyOptions} options Dictionary of options.
-             *     Specification: https://developers.google.com/blockly/guides/get-started/web#configuration
-             * @constructor
-             */
-            constructor(options: Blockly.BlocklyOptions);
-    
-            /** @type {boolean} */
-            RTL: boolean;
-    
-            /** @type {boolean} */
-            oneBasedIndex: boolean;
-    
-            /** @type {boolean} */
-            collapse: boolean;
-    
-            /** @type {boolean} */
-            comments: boolean;
-    
-            /** @type {boolean} */
-            disable: boolean;
-    
-            /** @type {boolean} */
-            readOnly: boolean;
-    
-            /** @type {number} */
-            maxBlocks: number;
-    
-            /** @type {?Object.<string, number>} */
-            maxInstances: { [key: string]: number };
-    
-            /** @type {string} */
-            pathToMedia: string;
-    
-            /** @type {boolean} */
-            hasCategories: boolean;
-    
-            /** @type {!Blockly.Options.MoveOptions} */
-            moveOptions: Blockly.Options.MoveOptions;
-    
-            /** @deprecated  January 2019 */
-            hasScrollbars: any /*missing*/;
-    
-            /** @type {boolean} */
-            hasTrashcan: boolean;
-    
-            /** @type {number} */
-            maxTrashcanContents: number;
-    
-            /** @type {boolean} */
-            hasSounds: boolean;
-    
-            /** @type {boolean} */
-            hasCss: boolean;
-    
-            /** @type {boolean} */
-            horizontalLayout: boolean;
-    
-            /** @type {?Blockly.utils.toolbox.ToolboxInfo} */
-            languageTree: Blockly.utils.toolbox.ToolboxInfo;
-    
-            /** @type {!Blockly.Options.GridOptions} */
-            gridOptions: Blockly.Options.GridOptions;
-    
-            /** @type {!Blockly.Options.ZoomOptions} */
-            zoomOptions: Blockly.Options.ZoomOptions;
-    
-            /** @type {!Blockly.utils.toolbox.Position} */
-            toolboxPosition: Blockly.utils.toolbox.Position;
-    
-            /** @type {!Blockly.Theme} */
-            theme: Blockly.Theme;
-    
-            /** @type {!Object<string,Blockly.Action>} */
-            keyMap: { [key: string]: Blockly.Action };
-    
-            /** @type {string} */
-            renderer: string;
-    
-            /** @type {?Object} */
-            rendererOverrides: Object;
-    
-            /**
-             * The SVG element for the grid pattern.
-             * Created during injection.
-             * @type {?SVGElement}
-             */
-            gridPattern: SVGElement;
-    
-            /**
-             * The parent of the current workspace, or null if there is no parent
-             * workspace.  We can assert that this is of type WorkspaceSvg as opposed to
-             * Workspace as this is only used in a rendered workspace.
-             * @type {Blockly.WorkspaceSvg}
-             */
-            parentWorkspace: Blockly.WorkspaceSvg;
-    
-            /**
-             * Map of plugin type to name of registered plugin or plugin class.
-             * @type {!Object.<string, (function(new:?, ...?)|string)>}
-             */
-            plugins: any /*missing*/;
-    
-            /**
-             * If set, sets the translation of the workspace to match the scrollbars.
-             * @param {!{x:number,y:number}} xyRatio Contains an x and/or y property which
-             *     is a float between 0 and 1 specifying the degree of scrolling.
-             * @return {void}
-             */
-            setMetrics(xyRatio: { x: number; y: number }): void;
-    
-            /**
-             * Return an object with the metrics required to size the workspace.
-             * @return {!Blockly.utils.Metrics} Contains size and position metrics.
-             */
-            getMetrics(): Blockly.utils.Metrics;
-    } 
-    
-
-    interface BlocklyOptions {
-    }
-}
-
-declare module Blockly.Options {
-
-    /**
-     * Grid Options.
-     * @typedef {{
-     *     colour: string,
-     *     length: number,
-     *     snap: boolean,
-     *     spacing: number
-     * }}
-     */
-    interface GridOptions {
-        colour: string;
-        length: number;
-        snap: boolean;
-        spacing: number
-    }
-
-    /**
-     * Move Options.
-     * @typedef {{
-     *     drag: boolean,
-     *     scrollbars: boolean,
-     *     wheel: boolean
-     * }}
-     */
-    interface MoveOptions {
-        drag: boolean;
-        scrollbars: boolean;
-        wheel: boolean
-    }
-
-    /**
-     * Zoom Options.
-     * @typedef {{
-     *     controls: boolean,
-     *     maxScale: number,
-     *     minScale: number,
-     *     pinch: boolean,
-     *     scaleSpeed: number,
-     *     startScale: number,
-     *     wheel: boolean
-     * }}
-     */
-    interface ZoomOptions {
-        controls: boolean;
-        maxScale: number;
-        minScale: number;
-        pinch: boolean;
-        scaleSpeed: number;
-        startScale: number;
-        wheel: boolean
-    }
-}
-
-
-declare module Blockly.Procedures {
-
-    /**
-     * Constant to separate procedure names from variables and generated functions
-     * when running generators.
-     * @deprecated Use Blockly.PROCEDURE_CATEGORY_NAME
-     */
-    var NAME_TYPE: any /*missing*/;
-
-    /**
-     * The default argument for a procedures_mutatorarg block.
-     * @type {string}
-     */
-    var DEFAULT_ARG: string;
-
-    /**
-     * Procedure block type.
-     * @typedef {{
-     *    getProcedureCall: function():string,
-     *    renameProcedure: function(string,string),
-     *    getProcedureDef: function():!Array
-     * }}
-     */
-    interface ProcedureBlock {
-        getProcedureCall: { (): string };
-        renameProcedure: { (_0: string, _1: string): any /*missing*/ };
-        getProcedureDef: { (): any[] }
-    }
-
-    /**
-     * Find all user-created procedure definitions in a workspace.
-     * @param {!Blockly.Workspace} root Root workspace.
-     * @return {!Array.<!Array.<!Array>>} Pair of arrays, the
-     *     first contains procedures without return variables, the second with.
-     *     Each procedure is defined by a three-element list of name, parameter
-     *     list, and return value boolean.
-     */
-    function allProcedures(root: Blockly.Workspace): any[][][];
-
-    /**
-     * Ensure two identically-named procedures don't exist.
-     * Take the proposed procedure name, and return a legal name i.e. one that
-     * is not empty and doesn't collide with other procedures.
-     * @param {string} name Proposed procedure name.
-     * @param {!Blockly.Block} block Block to disambiguate.
-     * @return {string} Non-colliding name.
-     */
-    function findLegalName(name: string, block: Blockly.Block): string;
-
-    /**
-     * Return if the given name is already a procedure name.
-     * @param {string} name The questionable name.
-     * @param {!Blockly.Workspace} workspace The workspace to scan for collisions.
-     * @param {Blockly.Block=} opt_exclude Optional block to exclude from
-     *     comparisons (one doesn't want to collide with oneself).
-     * @return {boolean} True if the name is used, otherwise return false.
-     */
-    function isNameUsed(name: string, workspace: Blockly.Workspace, opt_exclude?: Blockly.Block): boolean;
-
-    /**
-     * Rename a procedure.  Called by the editable field.
-     * @param {string} name The proposed new name.
-     * @return {string} The accepted name.
-     * @this {Blockly.Field}
-     */
-    function rename(name: string): string;
-
-    /**
-     * Construct the blocks required by the flyout for the procedure category.
-     * @param {!Blockly.Workspace} workspace The workspace containing procedures.
-     * @return {!Array.<!Element>} Array of XML block elements.
-     */
-    function flyoutCategory(workspace: Blockly.Workspace): Element[];
-
-    /**
-     * Listens for when a procedure mutator is opened. Then it triggers a flyout
-     * update and adds a mutator change listener to the mutator workspace.
-     * @param {!Blockly.Events.Abstract} e The event that triggered this listener.
-     * @package
-     */
-    function mutatorOpenListener(e: Blockly.Events.Abstract): void;
-
-    /**
-     * Find all the callers of a named procedure.
-     * @param {string} name Name of procedure.
-     * @param {!Blockly.Workspace} workspace The workspace to find callers in.
-     * @return {!Array.<!Blockly.Block>} Array of caller blocks.
-     */
-    function getCallers(name: string, workspace: Blockly.Workspace): Blockly.Block[];
-
-    /**
-     * When a procedure definition changes its parameters, find and edit all its
-     * callers.
-     * @param {!Blockly.Block} defBlock Procedure definition block.
-     */
-    function mutateCallers(defBlock: Blockly.Block): void;
-
-    /**
-     * Find the definition block for the named procedure.
-     * @param {string} name Name of procedure.
-     * @param {!Blockly.Workspace} workspace The workspace to search.
-     * @return {Blockly.Block} The procedure definition block, or null not found.
-     */
-    function getDefinition(name: string, workspace: Blockly.Workspace): Blockly.Block;
-}
-
-
-declare module Blockly.registry {
-
-    class Type<T> extends Type__Class<T> { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Type__Class<T>  { 
-    
-            /**
-             * A name with the type of the element stored in the generic.
-             * @param {string} name The name of the registry type.
-             * @constructor
-             * @template T
-             */
-            constructor(name: string);
-    } 
-    
-
-    /**
-     * A map of maps. With the keys being the type and name of the class we are
-     * registering and the value being the constructor function.
-     * e.g. {'field': {'field_angle': Blockly.FieldAngle}}
-     *
-     * @type {Object<string, Object<string, function(new:?)>>}
-     */
-    var typeMap_: any /*missing*/;
-
-    /**
-     * The string used to register the default class for a type of plugin.
-     * @type {string}
-     */
-    var DEFAULT: string;
-
-    /**
-     * Registers a class based on a type and name.
-     * @param {string|!Blockly.registry.Type<T>} type The type of the plugin.
-     *     (e.g. Field, Renderer)
-     * @param {string} name The plugin's name. (Ex. field_angle, geras)
-     * @param {?function(new:T, ...?)|Object} registryItem The class or object to
-     *     register.
-     * @param {boolean=} opt_quiet True to prevent an error when overriding an
-     *     already registered item.
-     * @throws {Error} if the type or name is empty, a name with the given type has
-     *     already been registered, or if the given class or object is not valid for it's type.
-     * @template T
-     */
-    function register<T>(type: string|Blockly.registry.Type<T>, name: string, registryItem: { (_0: any[]): any /*missing*/ }|Object, opt_quiet?: boolean): void;
-
-    /**
-     * Unregisters the registry item with the given type and name.
-     * @param {string|!Blockly.registry.Type<T>} type The type of the plugin.
-     *     (e.g. Field, Renderer)
-     * @param {string} name The plugin's name. (Ex. field_angle, geras)
-     * @template T
-     */
-    function unregister<T>(type: string|Blockly.registry.Type<T>, name: string): void;
-
-    /**
-     * Gets the registry item for the given name and type. This can be either a
-     * class or an object.
-     * @param {string|!Blockly.registry.Type<T>} type The type of the plugin.
-     *     (e.g. Field, Renderer)
-     * @param {string} name The plugin's name. (Ex. field_angle, geras)
-     * @return {?function(new:T, ...?)|Object} The class or object with the given
-     *     name and type or null if none exists.
-     * @template T
-     */
-    function getItem_<T>(type: string|Blockly.registry.Type<T>, name: string): { (_0: any[]): any /*missing*/ }|Object;
-
-    /**
-     * Returns whether or not the registry contains an item with the given type and
-     * name.
-     * @param {string|!Blockly.registry.Type<T>} type The type of the plugin.
-     *     (e.g. Field, Renderer)
-     * @param {string} name The plugin's name. (Ex. field_angle, geras)
-     * @return {boolean} True if the registry has an item with the given type and
-     *     name, false otherwise.
-     * @template T
-     */
-    function hasItem<T>(type: string|Blockly.registry.Type<T>, name: string): boolean;
-
-    /**
-     * Gets the class for the given name and type.
-     * @param {string|!Blockly.registry.Type<T>} type The type of the plugin.
-     *     (e.g. Field, Renderer)
-     * @param {string} name The plugin's name. (Ex. field_angle, geras)
-     * @return {?function(new:T, ...?)} The class with the given name and type or
-     *     null if none exists.
-     * @template T
-     */
-    function getClass<T>(type: string|Blockly.registry.Type<T>, name: string): { (_0: any[]): any /*missing*/ };
-
-    /**
-     * Gets the object for the given name and type.
-     * @param {string|!Blockly.registry.Type<T>} type The type of the plugin.
-     *     (e.g. Category)
-     * @param {string} name The plugin's name. (Ex. logic_category)
-     * @returns {T} The object with the given name and type or null if none exists.
-     * @template T
-     */
-    function getObject<T>(type: string|Blockly.registry.Type<T>, name: string): T;
-
-    /**
-     * Gets the class from Blockly options for the given type.
-     * This is used for plugins that override a built in feature. (e.g. Toolbox)
-     * @param {!Blockly.registry.Type<T>} type The type of the plugin.
-     * @param {!Blockly.Options} options The option object to check for the given
-     *     plugin.
-     * @return {?function(new:T, ...?)} The class for the plugin.
-     * @template T
-     */
-    function getClassFromOptions<T>(type: Blockly.registry.Type<T>, options: Blockly.Options): { (_0: any[]): any /*missing*/ };
-}
-
-declare module Blockly.registry.Type {
-
-    /** @type {!Blockly.registry.Type<Blockly.IConnectionChecker>} */
-    var CONNECTION_CHECKER: Blockly.registry.Type<Blockly.IConnectionChecker>;
-
-    /** @type {!Blockly.registry.Type<Blockly.Events.Abstract>} */
-    var EVENT: Blockly.registry.Type<Blockly.Events.Abstract>;
-
-    /** @type {!Blockly.registry.Type<Blockly.Field>} */
-    var FIELD: Blockly.registry.Type<Blockly.Field>;
-
-    /** @type {!Blockly.registry.Type<Blockly.blockRendering.Renderer>} */
-    var RENDERER: Blockly.registry.Type<Blockly.blockRendering.Renderer>;
-
-    /** @type {!Blockly.registry.Type<Blockly.IToolbox>} */
-    var TOOLBOX: Blockly.registry.Type<Blockly.IToolbox>;
-
-    /** @type {!Blockly.registry.Type<Blockly.Theme>} */
-    var THEME: Blockly.registry.Type<Blockly.Theme>;
-
-    /** @type {!Blockly.registry.Type<Blockly.ToolboxItem>} */
-    var TOOLBOX_ITEM: Blockly.registry.Type<Blockly.ToolboxItem>;
-
-    /** @type {!Blockly.registry.Type<Blockly.IFlyout>} */
-    var FLYOUTS_VERTICAL_TOOLBOX: Blockly.registry.Type<Blockly.IFlyout>;
-
-    /** @type {!Blockly.registry.Type<Blockly.IFlyout>} */
-    var FLYOUTS_HORIZONTAL_TOOLBOX: Blockly.registry.Type<Blockly.IFlyout>;
-}
-
-
-declare module Blockly {
-
-    class RenderedConnection extends RenderedConnection__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class RenderedConnection__Class extends Blockly.Connection__Class  { 
-    
-            /**
-             * Class for a connection between blocks that may be rendered on screen.
-             * @param {!Blockly.BlockSvg} source The block establishing this connection.
-             * @param {number} type The type of the connection.
-             * @extends {Blockly.Connection}
-             * @constructor
-             */
-            constructor(source: Blockly.BlockSvg, type: number);
-    
-            /**
-             * Connection this connection connects to.  Null if not connected.
-             * @type {Blockly.RenderedConnection}
-             */
-            targetConnection: Blockly.RenderedConnection;
-    
-            /**
-             * Returns the distance between this connection and another connection in
-             * workspace units.
-             * @param {!Blockly.Connection} otherConnection The other connection to measure
-             *     the distance to.
-             * @return {number} The distance between connections, in workspace units.
-             */
-            distanceFrom(otherConnection: Blockly.Connection): number;
-    
-            /**
-             * Move the block(s) belonging to the connection to a point where they don't
-             * visually interfere with the specified connection.
-             * @param {!Blockly.Connection} staticConnection The connection to move away
-             *     from.
-             * @package
-             */
-            bumpAwayFrom(staticConnection: Blockly.Connection): void;
-    
-            /**
-             * Change the connection's coordinates.
-             * @param {number} x New absolute x coordinate, in workspace coordinates.
-             * @param {number} y New absolute y coordinate, in workspace coordinates.
-             */
-            moveTo(x: number, y: number): void;
-    
-            /**
-             * Change the connection's coordinates.
-             * @param {number} dx Change to x coordinate, in workspace units.
-             * @param {number} dy Change to y coordinate, in workspace units.
-             */
-            moveBy(dx: number, dy: number): void;
-    
-            /**
-             * Move this connection to the location given by its offset within the block and
-             * the location of the block's top left corner.
-             * @param {!Blockly.utils.Coordinate} blockTL The location of the top left
-             *     corner of the block, in workspace coordinates.
-             */
-            moveToOffset(blockTL: Blockly.utils.Coordinate): void;
-    
-            /**
-             * Set the offset of this connection relative to the top left of its block.
-             * @param {number} x The new relative x, in workspace units.
-             * @param {number} y The new relative y, in workspace units.
-             */
-            setOffsetInBlock(x: number, y: number): void;
-    
-            /**
-             * Get the offset of this connection relative to the top left of its block.
-             * @return {!Blockly.utils.Coordinate} The offset of the connection.
-             * @package
-             */
-            getOffsetInBlock(): Blockly.utils.Coordinate;
-    
-            /**
-             * Move the blocks on either side of this connection right next to each other.
-             * @package
-             */
-            tighten(): void;
-    
-            /**
-             * Find the closest compatible connection to this connection.
-             * All parameters are in workspace units.
-             * @param {number} maxLimit The maximum radius to another connection.
-             * @param {!Blockly.utils.Coordinate} dxy Offset between this connection's location
-             *     in the database and the current location (as a result of dragging).
-             * @return {!{connection: ?Blockly.Connection, radius: number}} Contains two
-             *     properties: 'connection' which is either another connection or null,
-             *     and 'radius' which is the distance.
-             */
-            closest(maxLimit: number, dxy: Blockly.utils.Coordinate): { connection: Blockly.Connection; radius: number };
-    
-            /**
-             * Add highlighting around this connection.
-             */
-            highlight(): void;
-    
-            /**
-             * Remove the highlighting around this connection.
-             */
-            unhighlight(): void;
-    
-            /**
-             * Set whether this connections is tracked in the database or not.
-             * @param {boolean} doTracking If true, start tracking. If false, stop tracking.
-             * @package
-             */
-            setTracking(doTracking: boolean): void;
-    
-            /**
-             * Stop tracking this connection, as well as all down-stream connections on
-             * any block attached to this connection. This happens when a block is
-             * collapsed.
-             *
-             * Also closes down-stream icons/bubbles.
-             * @package
-             */
-            stopTrackingAll(): void;
-    
-            /**
-             * Start tracking this connection, as well as all down-stream connections on
-             * any block attached to this connection. This happens when a block is expanded.
-             * @return {!Array.<!Blockly.Block>} List of blocks to render.
-             */
-            startTrackingAll(): Blockly.Block[];
-    
-            /**
-             * Check if the two connections can be dragged to connect to each other.
-             * @param {!Blockly.Connection} candidate A nearby connection to check.
-             * @param {number=} maxRadius The maximum radius allowed for connections, in
-             *     workspace units.
-             * @return {boolean} True if the connection is allowed, false otherwise.
-             * @deprecated July 2020
-             */
-            isConnectionAllowed(candidate: Blockly.Connection, maxRadius?: number): boolean;
-    
-            /**
-             * Behavior after a connection attempt fails.
-             * @param {!Blockly.Connection} otherConnection Connection that this connection
-             *     failed to connect to.
-             * @package
-             */
-            onFailedConnect(otherConnection: Blockly.Connection): void;
-    
-            /**
-             * Find all nearby compatible connections to this connection.
-             * Type checking does not apply, since this function is used for bumping.
-             * @param {number} maxLimit The maximum radius to another connection, in
-             *     workspace units.
-             * @return {!Array.<!Blockly.Connection>} List of connections.
-             * @package
-             */
-            neighbours(maxLimit: number): Blockly.Connection[];
-    
-            /**
-             * Connect two connections together.  This is the connection on the superior
-             * block.  Rerender blocks as needed.
-             * @param {!Blockly.Connection} childConnection Connection on inferior block.
-             * @protected
-             */
-            connect_(childConnection: Blockly.Connection): void;
-    
-            /**
-             * Function to be called when this connection's compatible types have changed.
-             * @protected
-             */
-            onCheckChanged_(): void;
-    } 
-    
-}
-
-declare module Blockly.RenderedConnection {
-
-    /**
-     * Enum for different kinds of tracked states.
-     *
-     * WILL_TRACK means that this connection will add itself to
-     * the db on the next moveTo call it receives.
-     *
-     * UNTRACKED means that this connection will not add
-     * itself to the database until setTracking(true) is explicitly called.
-     *
-     * TRACKED means that this connection is currently being tracked.
-     * @enum {number}
-     */
-    enum TrackedState { WILL_TRACK, UNTRACKED, TRACKED } 
-}
-
-
-
-declare module Blockly {
-
-    class ScrollbarPair extends ScrollbarPair__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class ScrollbarPair__Class  { 
-    
-            /**
-             * Class for a pair of scrollbars.  Horizontal and vertical.
-             * @param {!Blockly.WorkspaceSvg} workspace Workspace to bind the scrollbars to.
-             * @constructor
-             */
-            constructor(workspace: Blockly.WorkspaceSvg);
-    
-            /**
-             * Dispose of this pair of scrollbars.
-             * Unlink from all DOM elements to prevent memory leaks.
-             */
-            dispose(): void;
-    
-            /**
-             * Recalculate both of the scrollbars' locations and lengths.
-             * Also reposition the corner rectangle.
-             */
-            resize(): void;
-    
-            /**
-             * Set the handles of both scrollbars to be at a certain position in CSS pixels
-             * relative to their parents.
-             * @param {number} x Horizontal scroll value.
-             * @param {number} y Vertical scroll value.
-             */
-            set(x: number, y: number): void;
-    
-            /**
-             * Set whether this scrollbar's container is visible.
-             * @param {boolean} visible Whether the container is visible.
-             */
-            setContainerVisible(visible: boolean): void;
-    } 
-    
-
-    class Scrollbar extends Scrollbar__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Scrollbar__Class  { 
-    
-            /**
-             * Class for a pure SVG scrollbar.
-             * This technique offers a scrollbar that is guaranteed to work, but may not
-             * look or behave like the system's scrollbars.
-             * @param {!Blockly.WorkspaceSvg} workspace Workspace to bind the scrollbar to.
-             * @param {boolean} horizontal True if horizontal, false if vertical.
-             * @param {boolean=} opt_pair True if scrollbar is part of a horiz/vert pair.
-             * @param {string=} opt_class A class to be applied to this scrollbar.
-             * @constructor
-             */
-            constructor(workspace: Blockly.WorkspaceSvg, horizontal: boolean, opt_pair?: boolean, opt_class?: string);
-    
-            /**
-             * @type {?number}
-             * @package
-             */
-            ratio: number;
-    
-            /**
-             * The upper left corner of the scrollbar's SVG group in CSS pixels relative
-             * to the scrollbar's origin.  This is usually relative to the injection div
-             * origin.
-             * @type {Blockly.utils.Coordinate}
-             * @package
-             */
-            position: Blockly.utils.Coordinate;
-    
-            /**
-             * Dispose of this scrollbar.
-             * Unlink from all DOM elements to prevent memory leaks.
-             */
-            dispose(): void;
-    
-            /**
-             * Set the offset of the scrollbar's handle from the scrollbar's position, and
-             * change the SVG attribute accordingly.
-             * @param {number} newPosition The new scrollbar handle offset in CSS pixels.
-             */
-            setHandlePosition(newPosition: number): void;
-    
-            /**
-             * Set the position of the scrollbar's SVG group in CSS pixels relative to the
-             * scrollbar's origin.  This sets the scrollbar's location within the workspace.
-             * @param {number} x The new x coordinate.
-             * @param {number} y The new y coordinate.
-             * @package
-             */
-            setPosition(x: number, y: number): void;
-    
-            /**
-             * Recalculate the scrollbar's location and its length.
-             * @param {Blockly.utils.Metrics=} opt_metrics A data structure of from the
-             *     describing all the required dimensions.  If not provided, it will be
-             *     fetched from the host object.
-             */
-            resize(opt_metrics?: Blockly.utils.Metrics): void;
-    
-            /**
-             * Recalculate a horizontal scrollbar's location on the screen and path length.
-             * This should be called when the layout or size of the window has changed.
-             * @param {!Blockly.utils.Metrics} hostMetrics A data structure describing all
-             *     the required dimensions, possibly fetched from the host object.
-             */
-            resizeViewHorizontal(hostMetrics: Blockly.utils.Metrics): void;
-    
-            /**
-             * Recalculate a horizontal scrollbar's location within its path and length.
-             * This should be called when the contents of the workspace have changed.
-             * @param {!Blockly.utils.Metrics} hostMetrics A data structure describing all
-             *     the required dimensions, possibly fetched from the host object.
-             */
-            resizeContentHorizontal(hostMetrics: Blockly.utils.Metrics): void;
-    
-            /**
-             * Recalculate a vertical scrollbar's location on the screen and path length.
-             * This should be called when the layout or size of the window has changed.
-             * @param {!Blockly.utils.Metrics} hostMetrics A data structure describing all
-             *     the required dimensions, possibly fetched from the host object.
-             */
-            resizeViewVertical(hostMetrics: Blockly.utils.Metrics): void;
-    
-            /**
-             * Recalculate a vertical scrollbar's location within its path and length.
-             * This should be called when the contents of the workspace have changed.
-             * @param {!Blockly.utils.Metrics} hostMetrics A data structure describing all
-             *     the required dimensions, possibly fetched from the host object.
-             */
-            resizeContentVertical(hostMetrics: Blockly.utils.Metrics): void;
-    
-            /**
-             * Is the scrollbar visible.  Non-paired scrollbars disappear when they aren't
-             * needed.
-             * @return {boolean} True if visible.
-             */
-            isVisible(): boolean;
-    
-            /**
-             * Set whether the scrollbar's container is visible and update
-             * display accordingly if visibility has changed.
-             * @param {boolean} visible Whether the container is visible
-             */
-            setContainerVisible(visible: boolean): void;
-    
-            /**
-             * Set whether the scrollbar is visible.
-             * Only applies to non-paired scrollbars.
-             * @param {boolean} visible True if visible.
-             */
-            setVisible(visible: boolean): void;
-    
-            /**
-             * Update visibility of scrollbar based on whether it thinks it should
-             * be visible and whether its containing workspace is visible.
-             * We cannot rely on the containing workspace being hidden to hide us
-             * because it is not necessarily our parent in the DOM.
-             */
-            updateDisplay_(): void;
-    
-            /**
-             * Set the scrollbar handle's position.
-             * @param {number} value The distance from the top/left end of the bar, in CSS
-             *     pixels.  It may be larger than the maximum allowable position of the
-             *     scrollbar handle.
-             */
-            set(value: number): void;
-    
-            /**
-             * Record the origin of the workspace that the scrollbar is in, in pixels
-             * relative to the injection div origin. This is for times when the scrollbar is
-             * used in an object whose origin isn't the same as the main workspace
-             * (e.g. in a flyout.)
-             * @param {number} x The x coordinate of the scrollbar's origin, in CSS pixels.
-             * @param {number} y The y coordinate of the scrollbar's origin, in CSS pixels.
-             */
-            setOrigin(x: number, y: number): void;
-    } 
-    
-}
-
-declare module Blockly.Scrollbar {
-
-    /**
-     * Width of vertical scrollbar or height of horizontal scrollbar in CSS pixels.
-     * Scrollbars should be larger on touch devices.
-     */
-    var scrollbarThickness: any /*missing*/;
-}
-
-
-declare module Blockly {
-
-    class Theme extends Theme__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Theme__Class  { 
-    
-            /**
-             * Class for a theme.
-             * @param {string} name Theme name.
-             * @param {!Object.<string, Blockly.Theme.BlockStyle>=} opt_blockStyles A map
-             *     from style names (strings) to objects with style attributes for blocks.
-             * @param {!Object.<string, Blockly.Theme.CategoryStyle>=} opt_categoryStyles A
-             *     map from style names (strings) to objects with style attributes for
-             *     categories.
-             * @param {!Blockly.Theme.ComponentStyle=} opt_componentStyles A map of Blockly
-             *     component names to style value.
-             * @constructor
-             */
-            constructor(name: string, opt_blockStyles?: { [key: string]: Blockly.Theme.BlockStyle }, opt_categoryStyles?: { [key: string]: Blockly.Theme.CategoryStyle }, opt_componentStyles?: Blockly.Theme.ComponentStyle);
-    
-            /**
-             * The theme name. This can be used to reference a specific theme in CSS.
-             * @type {string}
-             */
-            name: string;
-    
-            /**
-             * The block styles map.
-             * @type {!Object.<string, !Blockly.Theme.BlockStyle>}
-             * @package
-             */
-            blockStyles: { [key: string]: Blockly.Theme.BlockStyle };
-    
-            /**
-             * The category styles map.
-             * @type {!Object.<string, Blockly.Theme.CategoryStyle>}
-             * @package
-             */
-            categoryStyles: { [key: string]: Blockly.Theme.CategoryStyle };
-    
-            /**
-             * The UI components styles map.
-             * @type {!Blockly.Theme.ComponentStyle}
-             * @package
-             */
-            componentStyles: Blockly.Theme.ComponentStyle;
-    
-            /**
-             * The font style.
-             * @type {!Blockly.Theme.FontStyle}
-             * @package
-             */
-            fontStyle: Blockly.Theme.FontStyle;
-    
-            /**
-             * Whether or not to add a 'hat' on top of all blocks with no previous or
-             * output connections.
-             * @type {?boolean}
-             * @package
-             */
-            startHats: boolean;
-    
-            /**
-             * Gets the class name that identifies this theme.
-             * @return {string} The CSS class name.
-             * @package
-             */
-            getClassName(): string;
-    
-            /**
-             * Overrides or adds a style to the blockStyles map.
-             * @param {string} blockStyleName The name of the block style.
-             * @param {Blockly.Theme.BlockStyle} blockStyle The block style.
-            */
-            setBlockStyle(blockStyleName: string, blockStyle: Blockly.Theme.BlockStyle): void;
-    
-            /**
-             * Overrides or adds a style to the categoryStyles map.
-             * @param {string} categoryStyleName The name of the category style.
-             * @param {Blockly.Theme.CategoryStyle} categoryStyle The category style.
-            */
-            setCategoryStyle(categoryStyleName: string, categoryStyle: Blockly.Theme.CategoryStyle): void;
-    
-            /**
-             * Gets the style for a given Blockly UI component.  If the style value is a
-             * string, we attempt to find the value of any named references.
-             * @param {string} componentName The name of the component.
-             * @return {?string} The style value.
-             */
-            getComponentStyle(componentName: string): string;
-    
-            /**
-             * Configure a specific Blockly UI component with a style value.
-             * @param {string} componentName The name of the component.
-             * @param {*} styleValue The style value.
-            */
-            setComponentStyle(componentName: string, styleValue: any): void;
-    
-            /**
-             * Configure a theme's font style.
-             * @param {Blockly.Theme.FontStyle} fontStyle The font style.
-            */
-            setFontStyle(fontStyle: Blockly.Theme.FontStyle): void;
-    
-            /**
-             * Configure a theme's start hats.
-             * @param {boolean} startHats True if the theme enables start hats, false
-             *     otherwise.
-            */
-            setStartHats(startHats: boolean): void;
-    } 
-    
-}
-
-declare module Blockly.Theme {
-
-    /**
-     * A block style.
-     * @typedef {{
-     *            colourPrimary:string,
-     *            colourSecondary:string,
-     *            colourTertiary:string,
-     *            hat:string
-     *          }}
-     */
-    interface BlockStyle {
-        colourPrimary: string;
-        colourSecondary: string;
-        colourTertiary: string;
-        hat: string
-    }
-
-    /**
-     * A category style.
-     * @typedef {{
-     *            colour:string
-     *          }}
-     */
-    interface CategoryStyle {
-        colour: string
-    }
-
-    /**
-     * A component style.
-     * @typedef {{
-     *            workspaceBackgroundColour:?string,
-     *            toolboxBackgroundColour:?string,
-     *            toolboxForegroundColour:?string,
-     *            flyoutBackgroundColour:?string,
-     *            flyoutForegroundColour:?string,
-     *            flyoutOpacity:?number,
-     *            scrollbarColour:?string,
-     *            scrollbarOpacity:?number,
-     *            insertionMarkerColour:?string,
-     *            insertionMarkerOpacity:?number,
-     *            markerColour:?string,
-     *            cursorColour:?string,
-     *            selectedGlowColour:?string,
-     *            selectedGlowOpacity:?number,
-     *            replacementGlowColour:?string,
-     *            replacementGlowOpacity:?number
-     *          }}
-     */
-    interface ComponentStyle {
-        workspaceBackgroundColour: string;
-        toolboxBackgroundColour: string;
-        toolboxForegroundColour: string;
-        flyoutBackgroundColour: string;
-        flyoutForegroundColour: string;
-        flyoutOpacity: number;
-        scrollbarColour: string;
-        scrollbarOpacity: number;
-        insertionMarkerColour: string;
-        insertionMarkerOpacity: number;
-        markerColour: string;
-        cursorColour: string;
-        selectedGlowColour: string;
-        selectedGlowOpacity: number;
-        replacementGlowColour: string;
-        replacementGlowOpacity: number
-    }
-
-    /**
-     * A font style.
-     * @typedef {{
-     *            family:?string,
-     *            weight:?string,
-     *            size:?number
-     *          }}
-     */
-    interface FontStyle {
-        family: string;
-        weight: string;
-        size: number
-    }
-
-    /**
-     * Define a new Blockly theme.
-     * @param {string} name The name of the theme.
-     * @param {!Object} themeObj An object containing theme properties.
-     * @return {!Blockly.Theme} A new Blockly theme.
-    */
-    function defineTheme(name: string, themeObj: Object): Blockly.Theme;
-}
-
-
-declare module Blockly {
-
-    class ThemeManager extends ThemeManager__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class ThemeManager__Class  { 
-    
-            /**
-             * Class for storing and updating a workspace's theme and UI components.
-             * @param {!Blockly.WorkspaceSvg} workspace The main workspace.
-             * @param {!Blockly.Theme} theme The workspace theme.
-             * @constructor
-             * @package
-             */
-            constructor(workspace: Blockly.WorkspaceSvg, theme: Blockly.Theme);
-    
-            /**
-             * Get the workspace theme.
-             * @return {!Blockly.Theme} The workspace theme.
-             * @package
-             */
-            getTheme(): Blockly.Theme;
-    
-            /**
-             * Set the workspace theme, and refresh the workspace and all components.
-             * @param {!Blockly.Theme} theme The workspace theme.
-             * @package
-             */
-            setTheme(theme: Blockly.Theme): void;
-    
-            /**
-             * Subscribe a workspace to changes to the selected theme.  If a new theme is
-             * set, the workspace is called to refresh its blocks.
-             * @param {!Blockly.Workspace} workspace The workspace to subscribe.
-             * @package
-             */
-            subscribeWorkspace(workspace: Blockly.Workspace): void;
-    
-            /**
-             * Unsubscribe a workspace to changes to the selected theme.
-             * @param {!Blockly.Workspace} workspace The workspace to unsubscribe.
-             * @package
-             */
-            unsubscribeWorkspace(workspace: Blockly.Workspace): void;
-    
-            /**
-             * Subscribe an element to changes to the selected theme.  If a new theme is
-             * selected, the element's style is refreshed with the new theme's style.
-             * @param {!Element} element The element to subscribe.
-             * @param {string} componentName The name used to identify the component. This
-             *     must be the same name used to configure the style in the Theme object.
-             * @param {string} propertyName The inline style property name to update.
-             * @package
-             */
-            subscribe(element: Element, componentName: string, propertyName: string): void;
-    
-            /**
-             * Unsubscribe an element to changes to the selected theme.
-             * @param {Element} element The element to unsubscribe.
-             * @package
-             */
-            unsubscribe(element: Element): void;
-    
-            /**
-             * Dispose of this theme manager.
-             * @package
-             * @suppress {checkTypes}
-             */
-            dispose(): void;
-    } 
-    
-}
-
-declare module Blockly.ThemeManager {
-
-    /**
-     * A Blockly UI component type.
-     * @typedef {{
-      *            element:!Element,
-      *            propertyName:string
-      *          }}
-      */
-    interface Component {
-        element: Element;
-        propertyName: string
-    }
-}
-
-
-declare module Blockly.Tooltip {
-
-    /**
-     * A type which can define a tooltip.
-     * Either a string, an object containing a tooltip property, or a function which
-     * returns either a string, or another arbitrarily nested function which
-     * eventually unwinds to a string.
-     * @typedef {string|{tooltip}|function(): (string|!Function)}
-     */
-    type TipInfo = string|{ tooltip: any /*missing*/ }|{ (): string|Function };
-
-    /**
-     * Is a tooltip currently showing?
-     */
-    var visible: any /*missing*/;
-
-    /**
-     * Maximum width (in characters) of a tooltip.
-     */
-    var LIMIT: any /*missing*/;
-
-    /**
-     * Horizontal offset between mouse cursor and tooltip.
-     */
-    var OFFSET_X: any /*missing*/;
-
-    /**
-     * Vertical offset between mouse cursor and tooltip.
-     */
-    var OFFSET_Y: any /*missing*/;
-
-    /**
-     * Radius mouse can move before killing tooltip.
-     */
-    var RADIUS_OK: any /*missing*/;
-
-    /**
-     * Delay before tooltip appears.
-     */
-    var HOVER_MS: any /*missing*/;
-
-    /**
-     * Horizontal padding between tooltip and screen edge.
-     */
-    var MARGINS: any /*missing*/;
-
-    /**
-     * The HTML container.  Set once by Blockly.Tooltip.createDom.
-     * @type {Element}
-     */
-    var DIV: Element;
-
-    /**
-     * Returns the tooltip text for the given element.
-     * @param {?Object} object The object to get the the tooltip text of.
-     * @returns {string} The tooltip text of the element.
-     */
-    function getTooltipOfObject(object: Object): string;
-
-    /**
-     * Create the tooltip div and inject it onto the page.
-     */
-    function createDom(): void;
-
-    /**
-     * Binds the required mouse events onto an SVG element.
-     * @param {!Element} element SVG element onto which tooltip is to be bound.
-     */
-    function bindMouseEvents(element: Element): void;
-
-    /**
-     * Unbinds tooltip mouse events from the SVG element.
-     * @param {!Element} element SVG element onto which tooltip is bound.
-     */
-    function unbindMouseEvents(element: Element): void;
-
-    /**
-     * Dispose of the tooltip.
-     * @package
-     */
-    function dispose(): void;
-
-    /**
-     * Hide the tooltip.
-     */
-    function hide(): void;
-
-    /**
-     * Hide any in-progress tooltips and block showing new tooltips until the next
-     * call to unblock().
-     * @package
-     */
-    function block(): void;
-
-    /**
-     * Unblock tooltips: allow them to be scheduled and shown according to their own
-     * logic.
-     * @package
-     */
-    function unblock(): void;
-}
-
-
-declare module Blockly.Touch {
-
-    /**
-      * Whether touch is enabled in the browser.
-      * Copied from Closure's goog.events.BrowserFeature.TOUCH_ENABLED
-      */
-    var TOUCH_ENABLED: any /*missing*/;
-
-    /**
-     * The TOUCH_MAP lookup dictionary specifies additional touch events to fire,
-     * in conjunction with mouse events.
-     * @type {Object}
-     */
-    var TOUCH_MAP: Object;
-
-    /**
-     * Clear the touch identifier that tracks which touch stream to pay attention
-     * to.  This ends the current drag/gesture and allows other pointers to be
-     * captured.
-     */
-    function clearTouchIdentifier(): void;
-
-    /**
-     * Decide whether Blockly should handle or ignore this event.
-     * Mouse and touch events require special checks because we only want to deal
-     * with one touch stream at a time.  All other events should always be handled.
-     * @param {!Event} e The event to check.
-     * @return {boolean} True if this event should be passed through to the
-     *     registered handler; false if it should be blocked.
-     */
-    function shouldHandleEvent(e: Event): boolean;
-
-    /**
-     * Get the touch identifier from the given event.  If it was a mouse event, the
-     * identifier is the string 'mouse'.
-     * @param {!Event} e Mouse event or touch event.
-     * @return {string} The touch identifier from the first changed touch, if
-     *     defined.  Otherwise 'mouse'.
-     */
-    function getTouchIdentifierFromEvent(e: Event): string;
-
-    /**
-     * Check whether the touch identifier on the event matches the current saved
-     * identifier.  If there is no identifier, that means it's a mouse event and
-     * we'll use the identifier "mouse".  This means we won't deal well with
-     * multiple mice being used at the same time.  That seems okay.
-     * If the current identifier was unset, save the identifier from the
-     * event.  This starts a drag/gesture, during which touch events with other
-     * identifiers will be silently ignored.
-     * @param {!Event} e Mouse event or touch event.
-     * @return {boolean} Whether the identifier on the event matches the current
-     *     saved identifier.
-     */
-    function checkTouchIdentifier(e: Event): boolean;
-
-    /**
-     * Set an event's clientX and clientY from its first changed touch.  Use this to
-     * make a touch event work in a mouse event handler.
-     * @param {!Event} e A touch event.
-     */
-    function setClientFromTouch(e: Event): void;
-
-    /**
-     * Check whether a given event is a mouse or touch event.
-     * @param {!Event} e An event.
-     * @return {boolean} True if it is a mouse or touch event; false otherwise.
-     */
-    function isMouseOrTouchEvent(e: Event): boolean;
-
-    /**
-     * Check whether a given event is a touch event or a pointer event.
-     * @param {!Event} e An event.
-     * @return {boolean} True if it is a touch event; false otherwise.
-     */
-    function isTouchEvent(e: Event): boolean;
-
-    /**
-     * Split an event into an array of events, one per changed touch or mouse
-     * point.
-     * @param {!Event} e A mouse event or a touch event with one or more changed
-     * touches.
-     * @return {!Array.<!Event>} An array of mouse or touch events.  Each touch
-     *     event will have exactly one changed touch.
-     */
-    function splitEventByTouches(e: Event): Event[];
-}
-
-declare module Blockly {
-
-    /**
-     * Context menus on touch devices are activated using a long-press.
-     * Unfortunately the contextmenu touch event is currently (2015) only supported
-     * by Chrome.  This function is fired on any touchstart event, queues a task,
-     * which after about a second opens the context menu.  The tasks is killed
-     * if the touch event terminates early.
-     * @param {!Event} e Touch start event.
-     * @param {Blockly.Gesture} gesture The gesture that triggered this longStart.
-     * @package
-     */
-    function longStart(e: Event, gesture: Blockly.Gesture): void;
-
-    /**
-     * Nope, that's not a long-press.  Either touchend or touchcancel was fired,
-     * or a drag hath begun.  Kill the queued long-press task.
-     * @package
-     */
-    function longStop_(): void;
-}
-
-
-declare module Blockly {
-
-    class TouchGesture extends TouchGesture__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class TouchGesture__Class extends Blockly.Gesture__Class  { 
-    
-            /**
-             * Class for one gesture.
-             * @param {!Event} e The event that kicked off this gesture.
-             * @param {!Blockly.WorkspaceSvg} creatorWorkspace The workspace that created
-             *     this gesture and has a reference to it.
-             * @extends {Blockly.Gesture}
-             * @constructor
-             */
-            constructor(e: Event, creatorWorkspace: Blockly.WorkspaceSvg);
-    
-            /**
-             * Start a gesture: update the workspace to indicate that a gesture is in
-             * progress and bind mousemove and mouseup handlers.
-             * @param {!Event} e A mouse down, touch start or pointer down event.
-             * @package
-             */
-            doStart(e: Event): void;
-    
-            /**
-             * Bind gesture events.
-             * Overriding the gesture definition of this function, binding the same
-             * functions for onMoveWrapper_ and onUpWrapper_ but passing
-             * opt_noCaptureIdentifier.
-             * In addition, binding a second mouse down event to detect multi-touch events.
-             * @param {!Event} e A mouse down or touch start event.
-             * @package
-             */
-            bindMouseEvents(e: Event): void;
-    
-            /**
-             * Handle a mouse down, touch start, or pointer down event.
-             * @param {!Event} e A mouse down, touch start, or pointer down event.
-             * @package
-             */
-            handleStart(e: Event): void;
-    
-            /**
-             * Handle a mouse move, touch move, or pointer move event.
-             * @param {!Event} e A mouse move, touch move, or pointer move event.
-             * @package
-             */
-            handleMove(e: Event): void;
-    
-            /**
-             * Handle a mouse up, touch end, or pointer up event.
-             * @param {!Event} e A mouse up, touch end, or pointer up event.
-             * @package
-             */
-            handleUp(e: Event): void;
-    
-            /**
-             * Whether this gesture is part of a multi-touch gesture.
-             * @return {boolean} Whether this gesture is part of a multi-touch gesture.
-             * @package
-             */
-            isMultiTouch(): boolean;
-    
-            /**
-             * Sever all links from this object.
-             * @package
-             */
-            dispose(): void;
-    
-            /**
-             * Handle a touch start or pointer down event and keep track of current
-             * pointers.
-             * @param {!Event} e A touch start, or pointer down event.
-             * @package
-             */
-            handleTouchStart(e: Event): void;
-    
-            /**
-             * Handle a touch move or pointer move event and zoom in/out if two pointers
-             * are on the screen.
-             * @param {!Event} e A touch move, or pointer move event.
-             * @package
-             */
-            handleTouchMove(e: Event): void;
-    
-            /**
-             * Handle a touch end or pointer end event and end the gesture.
-             * @param {!Event} e A touch end, or pointer end event.
-             * @package
-             */
-            handleTouchEnd(e: Event): void;
-    
-            /**
-             * Helper function returning the current touch point coordinate.
-             * @param {!Event} e A touch or pointer event.
-             * @return {Blockly.utils.Coordinate} The current touch point coordinate
-             * @package
-             */
-            getTouchPoint(e: Event): Blockly.utils.Coordinate;
-    } 
-    
-}
-
-declare module Blockly.TouchGesture {
-
-    /**
-     * A multiplier used to convert the gesture scale to a zoom in delta.
-     * @const
-     */
-    var ZOOM_IN_MULTIPLIER: any /*missing*/;
-
-    /**
-     * A multiplier used to convert the gesture scale to a zoom out delta.
-     * @const
-     */
-    var ZOOM_OUT_MULTIPLIER: any /*missing*/;
-}
-
-
-declare module Blockly {
-
-    class Trashcan extends Trashcan__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Trashcan__Class implements Blockly.IDeleteArea  { 
-    
-            /**
-             * Class for a trash can.
-             * @param {!Blockly.WorkspaceSvg} workspace The workspace to sit in.
-             * @constructor
-             * @implements {Blockly.IDeleteArea}
-             */
-            constructor(workspace: Blockly.WorkspaceSvg);
-    
-            /**
-             * The trashcan flyout.
-             * @type {Blockly.IFlyout}
-             * @package
-             */
-            flyout: Blockly.IFlyout;
-    
-            /**
-             * Current open/close state of the lid.
-             * @type {boolean}
-             */
-            isLidOpen: boolean;
-    
-            /**
-             * Create the trash can elements.
-             * @return {!SVGElement} The trash can's SVG group.
-             */
-            createDom(): SVGElement;
-    
-            /**
-             * Initialize the trash can.
-             * @param {number} verticalSpacing Vertical distance from workspace edge to the
-             *    same edge of the trashcan.
-             * @return {number} Vertical distance from workspace edge to the opposite
-             *    edge of the trashcan.
-             */
-            init(verticalSpacing: number): number;
-    
-            /**
-             * Dispose of this trash can.
-             * Unlink from all DOM elements to prevent memory leaks.
-             * @suppress {checkTypes}
-             */
-            dispose(): void;
-    
-            /**
-             * Returns true if the trashcan contents-flyout is currently open.
-             * @return {boolean} True if the trashcan contents-flyout is currently open.
-             */
-            contentsIsOpen(): boolean;
-    
-            /**
-             * Opens the trashcan flyout.
-             */
-            openFlyout(): void;
-    
-            /**
-             * Closes the trashcan flyout.
-             */
-            closeFlyout(): void;
-    
-            /**
-             * Empties the trashcan's contents. If the contents-flyout is currently open
-             * it will be closed.
-             */
-            emptyContents(): void;
-    
-            /**
-             * Position the trashcan.
-             * It is positioned in the opposite corner to the corner the
-             * categories/toolbox starts at.
-             */
-            position(): void;
-    
-            /**
-             * Return the deletion rectangle for this trash can.
-             * @return {Blockly.utils.Rect} Rectangle in which to delete.
-             */
-            getClientRect(): Blockly.utils.Rect;
-    
-            /**
-             * Flip the lid open or shut.
-             * @param {boolean} state True if open.
-             * @package
-             */
-            setLidOpen(state: boolean): void;
-    
-            /**
-             * Flip the lid shut.
-             * Called externally after a drag.
-             */
-            closeLid(): void;
-    
-            /**
-             * Inspect the contents of the trash.
-             */
-            click(): void;
-    } 
-    
-}
-
-
-declare module Blockly.Events {
-
-    class Ui extends Ui__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Ui__Class extends Blockly.Events.Abstract__Class  { 
-    
-            /**
-             * Class for a UI event.
-             * UI events are events that don't need to be sent over the wire for multi-user
-             * editing to work (e.g. scrolling the workspace, zooming, opening toolbox
-             * categories).
-             * UI events do not undo or redo.
-             * @param {?Blockly.Block=} opt_block The affected block.  Null for UI events
-             *     that do not have an associated block.  Undefined for a blank event.
-             * @param {string=} opt_element One of 'selected', 'comment', 'mutatorOpen',
-             *     etc.
-             * @param {*=} opt_oldValue Previous value of element.
-             * @param {*=} opt_newValue New value of element.
-             * @extends {Blockly.Events.Abstract}
-             * @constructor
-             */
-            constructor(opt_block?: Blockly.Block, opt_element?: string, opt_oldValue?: any, opt_newValue?: any);
-    
-            /**
-             * Type of this event.
-             * @type {string}
-             */
-            type: string;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    } 
-    
-}
-
-
-declare module Blockly.utils {
-
-    /**
-     * Don't do anything for this event, just halt propagation.
-     * @param {!Event} e An event.
-     */
-    function noEvent(e: Event): void;
-
-    /**
-     * Is this event targeting a text input widget?
-     * @param {!Event} e An event.
-     * @return {boolean} True if text input.
-     */
-    function isTargetInput(e: Event): boolean;
-
-    /**
-     * Return the coordinates of the top-left corner of this element relative to
-     * its parent.  Only for SVG elements and children (e.g. rect, g, path).
-     * @param {!Element} element SVG element to find the coordinates of.
-     * @return {!Blockly.utils.Coordinate} Object with .x and .y properties.
-     */
-    function getRelativeXY(element: Element): Blockly.utils.Coordinate;
-
-    /**
-     * Return the coordinates of the top-left corner of this element relative to
-     * the div Blockly was injected into.
-     * @param {!Element} element SVG element to find the coordinates of. If this is
-     *     not a child of the div Blockly was injected into, the behaviour is
-     *     undefined.
-     * @return {!Blockly.utils.Coordinate} Object with .x and .y properties.
-     */
-    function getInjectionDivXY_(element: Element): Blockly.utils.Coordinate;
-
-    /**
-     * Is this event a right-click?
-     * @param {!Event} e Mouse event.
-     * @return {boolean} True if right-click.
-     */
-    function isRightButton(e: Event): boolean;
-
-    /**
-     * Return the converted coordinates of the given mouse event.
-     * The origin (0,0) is the top-left corner of the Blockly SVG.
-     * @param {!Event} e Mouse event.
-     * @param {!Element} svg SVG element.
-     * @param {SVGMatrix} matrix Inverted screen CTM to use.
-     * @return {!SVGPoint} Object with .x and .y properties.
-     */
-    function mouseToSvg(e: Event, svg: Element, matrix: SVGMatrix): SVGPoint;
-
-    /**
-     * Get the scroll delta of a mouse event in pixel units.
-     * @param {!Event} e Mouse event.
-     * @return {{x: number, y: number}} Scroll delta object with .x and .y
-     *    properties.
-     */
-    function getScrollDeltaPixels(e: Event): { x: number; y: number };
-
-    /**
-     * Parse a string with any number of interpolation tokens (%1, %2, ...).
-     * It will also replace string table references (e.g., %{bky_my_msg} and
-     * %{BKY_MY_MSG} will both be replaced with the value in
-     * Blockly.Msg['MY_MSG']). Percentage sign characters '%' may be self-escaped
-     * (e.g., '%%').
-     * @param {string} message Text which might contain string table references and
-     *     interpolation tokens.
-     * @return {!Array.<string|number>} Array of strings and numbers.
-     */
-    function tokenizeInterpolation(message: string): string|number[];
-
-    /**
-     * Replaces string table references in a message, if the message is a string.
-     * For example, "%{bky_my_msg}" and "%{BKY_MY_MSG}" will both be replaced with
-     * the value in Blockly.Msg['MY_MSG'].
-     * @param {string|?} message Message, which may be a string that contains
-     *     string table references.
-     * @return {string} String with message references replaced.
-     */
-    function replaceMessageReferences(message: string|any): string;
-
-    /**
-     * Validates that any %{MSG_KEY} references in the message refer to keys of
-     * the Blockly.Msg string table.
-     * @param {string} message Text which might contain string table references.
-     * @return {boolean} True if all message references have matching values.
-     *     Otherwise, false.
-     */
-    function checkMessageReferences(message: string): boolean;
-
-    /**
-     * Generate a unique ID.  This should be globally unique.
-     * 87 characters ^ 20 length > 128 bits (better than a UUID).
-     * @return {string} A globally unique ID string.
-     */
-    function genUid(): string;
-
-    /**
-     * Check if 3D transforms are supported by adding an element
-     * and attempting to set the property.
-     * @return {boolean} True if 3D transforms are supported.
-     */
-    function is3dSupported(): boolean;
-
-    /**
-     * Calls a function after the page has loaded, possibly immediately.
-     * @param {function()} fn Function to run.
-     * @throws Error Will throw if no global document can be found (e.g., Node.js).
-     */
-    function runAfterPageLoad(fn: { (): any /*missing*/ }): void;
-
-    /**
-     * Get the position of the current viewport in window coordinates.  This takes
-     * scroll into account.
-     * @return {!Blockly.utils.Rect} An object containing window width, height, and
-     *     scroll position in window coordinates.
-     * @package
-     */
-    function getViewportBBox(): Blockly.utils.Rect;
-
-    /**
-     * Removes the first occurrence of a particular value from an array.
-     * @param {!Array} arr Array from which to remove
-     *     value.
-     * @param {*} obj Object to remove.
-     * @return {boolean} True if an element was removed.
-     * @package
-     */
-    function arrayRemove(arr: any[], obj: any): boolean;
-
-    /**
-     * Gets the document scroll distance as a coordinate object.
-     * Copied from Closure's goog.dom.getDocumentScroll.
-     * @return {!Blockly.utils.Coordinate} Object with values 'x' and 'y'.
-     */
-    function getDocumentScroll(): Blockly.utils.Coordinate;
-
-    /**
-     * Get a map of all the block's descendants mapping their type to the number of
-     *    children with that type.
-     * @param {!Blockly.Block} block The block to map.
-     * @param {boolean=} opt_stripFollowing Optionally ignore all following
-     *    statements (blocks that are not inside a value or statement input
-     *    of the block).
-     * @return {!Object} Map of types to type counts for descendants of the bock.
-     */
-    function getBlockTypeCounts(block: Blockly.Block, opt_stripFollowing?: boolean): Object;
-
-    /**
-     * Converts screen coordinates to workspace coordinates.
-     * @param {Blockly.WorkspaceSvg} ws The workspace to find the coordinates on.
-     * @param {Blockly.utils.Coordinate} screenCoordinates The screen coordinates to
-     * be converted to workspace coordinates
-     * @return {Blockly.utils.Coordinate} The workspace coordinates.
-     * @package
-     */
-    function screenToWsCoordinates(ws: Blockly.WorkspaceSvg, screenCoordinates: Blockly.utils.Coordinate): Blockly.utils.Coordinate;
-
-    /**
-     * Parse a block colour from a number or string, as provided in a block
-     * definition.
-     * @param {number|string} colour HSV hue value (0 to 360), #RRGGBB string,
-     *     or a message reference string pointing to one of those two values.
-     * @return {{hue: ?number, hex: string}} An object containing the colour as
-     *     a #RRGGBB string, and the hue if the input was an HSV hue value.
-     * @throws {Error} If the colour cannot be parsed.
-     */
-    function parseBlockColour(colour: number|string): { hue: number; hex: string };
-}
-
-
-declare module Blockly.Events {
-
-    class VarBase extends VarBase__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class VarBase__Class extends Blockly.Events.Abstract__Class  { 
-    
-            /**
-             * Abstract class for a variable event.
-             * @param {!Blockly.VariableModel=} opt_variable The variable this event
-             *     corresponds to.  Undefined for a blank event.
-             * @extends {Blockly.Events.Abstract}
-             * @constructor
-             */
-            constructor(opt_variable?: Blockly.VariableModel);
-    
-            /**
-             * The variable id for the variable this event pertains to.
-             * @type {string}
-             */
-            varId: string;
-    
-            /**
-             * The workspace identifier for this event.
-             * @type {string}
-             */
-            workspaceId: string;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    } 
-    
-
-    class VarCreate extends VarCreate__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class VarCreate__Class extends Blockly.Events.VarBase__Class  { 
-    
-            /**
-             * Class for a variable creation event.
-             * @param {!Blockly.VariableModel=} opt_variable The created variable. Undefined
-             *     for a blank event.
-             * @extends {Blockly.Events.VarBase}
-             * @constructor
-             */
-            constructor(opt_variable?: Blockly.VariableModel);
-    
-            /**
-             * Type of this event.
-             * @type {string}
-             */
-            type: string;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    
-            /**
-             * Run a variable creation event.
-             * @param {boolean} forward True if run forward, false if run backward (undo).
-             */
-            run(forward: boolean): void;
-    } 
-    
-
-    class VarDelete extends VarDelete__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class VarDelete__Class extends Blockly.Events.VarBase__Class  { 
-    
-            /**
-             * Class for a variable deletion event.
-             * @param {!Blockly.VariableModel=} opt_variable The deleted variable. Undefined
-             *     for a blank event.
-             * @extends {Blockly.Events.VarBase}
-             * @constructor
-             */
-            constructor(opt_variable?: Blockly.VariableModel);
-    
-            /**
-             * Type of this event.
-             * @type {string}
-             */
-            type: string;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    
-            /**
-             * Run a variable deletion event.
-             * @param {boolean} forward True if run forward, false if run backward (undo).
-             */
-            run(forward: boolean): void;
-    } 
-    
-
-    class VarRename extends VarRename__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class VarRename__Class extends Blockly.Events.VarBase__Class  { 
-    
-            /**
-             * Class for a variable rename event.
-             * @param {!Blockly.VariableModel=} opt_variable The renamed variable. Undefined
-             *     for a blank event.
-             * @param {string=} newName The new name the variable will be changed to.
-             * @extends {Blockly.Events.VarBase}
-             * @constructor
-             */
-            constructor(opt_variable?: Blockly.VariableModel, newName?: string);
-    
-            /**
-             * Type of this event.
-             * @type {string}
-             */
-            type: string;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    
-            /**
-             * Run a variable rename event.
-             * @param {boolean} forward True if run forward, false if run backward (undo).
-             */
-            run(forward: boolean): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class VariableMap extends VariableMap__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class VariableMap__Class  { 
-    
-            /**
-             * Class for a variable map.  This contains a dictionary data structure with
-             * variable types as keys and lists of variables as values.  The list of
-             * variables are the type indicated by the key.
-             * @param {!Blockly.Workspace} workspace The workspace this map belongs to.
-             * @constructor
-             */
-            constructor(workspace: Blockly.Workspace);
-    
-            /**
-             * The workspace this map belongs to.
-             * @type {!Blockly.Workspace}
-             */
-            workspace: Blockly.Workspace;
-    
-            /**
-             * Clear the variable map.
-             */
-            clear(): void;
-    
-            /**
-             * Rename the given variable by updating its name in the variable map.
-             * @param {!Blockly.VariableModel} variable Variable to rename.
-             * @param {string} newName New variable name.
-             * @package
-             */
-            renameVariable(variable: Blockly.VariableModel, newName: string): void;
-    
-            /**
-             * Rename a variable by updating its name in the variable map. Identify the
-             * variable to rename with the given ID.
-             * @param {string} id ID of the variable to rename.
-             * @param {string} newName New variable name.
-             */
-            renameVariableById(id: string, newName: string): void;
-    
-            /**
-             * Create a variable with a given name, optional type, and optional ID.
-             * @param {string} name The name of the variable. This must be unique across
-             *     variables and procedures.
-             * @param {?string=} opt_type The type of the variable like 'int' or 'string'.
-             *     Does not need to be unique. Field_variable can filter variables based on
-             *     their type. This will default to '' which is a specific type.
-             * @param {?string=} opt_id The unique ID of the variable. This will default to
-             *     a UUID.
-             * @return {!Blockly.VariableModel} The newly created variable.
-             */
-            createVariable(name: string, opt_type?: string, opt_id?: string): Blockly.VariableModel;
-    
-            /**
-             * Delete a variable.
-             * @param {!Blockly.VariableModel} variable Variable to delete.
-             */
-            deleteVariable(variable: Blockly.VariableModel): void;
-    
-            /**
-             * Delete a variables by the passed in ID and all of its uses from this
-             * workspace. May prompt the user for confirmation.
-             * @param {string} id ID of variable to delete.
-             */
-            deleteVariableById(id: string): void;
-    
-            /**
-             * Deletes a variable and all of its uses from this workspace without asking the
-             * user for confirmation.
-             * @param {!Blockly.VariableModel} variable Variable to delete.
-             * @param {!Array.<!Blockly.Block>} uses An array of uses of the variable.
-             * @package
-             */
-            deleteVariableInternal(variable: Blockly.VariableModel, uses: Blockly.Block[]): void;
-    
-            /**
-             * Find the variable by the given name and type and return it.  Return null if
-             *     it is not found.
-             * @param {string} name The name to check for.
-             * @param {?string=} opt_type The type of the variable.  If not provided it
-             *     defaults to the empty string, which is a specific type.
-             * @return {Blockly.VariableModel} The variable with the given name, or null if
-             *     it was not found.
-             */
-            getVariable(name: string, opt_type?: string): Blockly.VariableModel;
-    
-            /**
-             * Find the variable by the given ID and return it. Return null if it is not
-             *     found.
-             * @param {string} id The ID to check for.
-             * @return {Blockly.VariableModel} The variable with the given ID.
-             */
-            getVariableById(id: string): Blockly.VariableModel;
-    
-            /**
-             * Get a list containing all of the variables of a specified type. If type is
-             *     null, return list of variables with empty string type.
-             * @param {?string} type Type of the variables to find.
-             * @return {!Array.<!Blockly.VariableModel>} The sought after variables of the
-             *     passed in type. An empty array if none are found.
-             */
-            getVariablesOfType(type: string): Blockly.VariableModel[];
-    
-            /**
-             * Return all variable and potential variable types.  This list always contains
-             * the empty string.
-             * @param {?Blockly.Workspace} ws The workspace used to look for potential
-             * variables. This can be different than the workspace stored on this object
-             * if the passed in ws is a flyout workspace.
-             * @return {!Array.<string>} List of variable types.
-             * @package
-             */
-            getVariableTypes(ws: Blockly.Workspace): string[];
-    
-            /**
-             * Return all variables of all types.
-             * @return {!Array.<!Blockly.VariableModel>} List of variable models.
-             */
-            getAllVariables(): Blockly.VariableModel[];
-    
-            /**
-             * Returns all of the variable names of all types.
-             * @return {!Array.<string>} All of the variable names of all types.
-             */
-            getAllVariableNames(): string[];
-    
-            /**
-             * Find all the uses of a named variable.
-             * @param {string} id ID of the variable to find.
-             * @return {!Array.<!Blockly.Block>} Array of block usages.
-             */
-            getVariableUsesById(id: string): Blockly.Block[];
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class VariableModel extends VariableModel__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class VariableModel__Class  { 
-    
-            /**
-             * Class for a variable model.
-             * Holds information for the variable including name, ID, and type.
-             * @param {!Blockly.Workspace} workspace The variable's workspace.
-             * @param {string} name The name of the variable. This must be unique across
-             *     variables and procedures.
-             * @param {string=} opt_type The type of the variable like 'int' or 'string'.
-             *     Does not need to be unique. Field_variable can filter variables based on
-             *     their type. This will default to '' which is a specific type.
-             * @param {string=} opt_id The unique ID of the variable. This will default to
-             *     a UUID.
-             * @see {Blockly.FieldVariable}
-             * @constructor
-             */
-            constructor(workspace: Blockly.Workspace, name: string, opt_type?: string, opt_id?: string);
-    
-            /**
-             * The workspace the variable is in.
-             * @type {!Blockly.Workspace}
-             */
-            workspace: Blockly.Workspace;
-    
-            /**
-             * The name of the variable, typically defined by the user. It must be
-             * unique across all names used for procedures and variables. It may be
-             * changed by the user.
-             * @type {string}
-             */
-            name: string;
-    
-            /**
-             * The type of the variable, such as 'int' or 'sound_effect'. This may be
-             * used to build a list of variables of a specific type. By default this is
-             * the empty string '', which is a specific type.
-             * @see {Blockly.FieldVariable}
-             * @type {string}
-             */
-            type: string;
-    
-            /**
-             * @return {string} The ID for the variable.
-             */
-            getId(): string;
-    } 
-    
-}
-
-declare module Blockly.VariableModel {
-
-    /**
-     * A custom compare function for the VariableModel objects.
-     * @param {Blockly.VariableModel} var1 First variable to compare.
-     * @param {Blockly.VariableModel} var2 Second variable to compare.
-     * @return {number} -1 if name of var1 is less than name of var2, 0 if equal,
-     *     and 1 if greater.
-     * @package
-     */
-    function compareByName(var1: Blockly.VariableModel, var2: Blockly.VariableModel): number;
-}
-
-
-declare module Blockly.Variables {
-
-    /**
-     * Constant to separate variable names from procedures and generated functions
-     * when running generators.
-     * @deprecated Use Blockly.VARIABLE_CATEGORY_NAME
-     */
-    var NAME_TYPE: any /*missing*/;
-
-    /**
-     * Find all user-created variables that are in use in the workspace.
-     * For use by generators.
-     * To get a list of all variables on a workspace, including unused variables,
-     * call Workspace.getAllVariables.
-     * @param {!Blockly.Workspace} ws The workspace to search for variables.
-     * @return {!Array.<!Blockly.VariableModel>} Array of variable models.
-     */
-    function allUsedVarModels(ws: Blockly.Workspace): Blockly.VariableModel[];
-
-    /**
-     * Find all developer variables used by blocks in the workspace.
-     * Developer variables are never shown to the user, but are declared as global
-     * variables in the generated code.
-     * To declare developer variables, define the getDeveloperVariables function on
-     * your block and return a list of variable names.
-     * For use by generators.
-     * @param {!Blockly.Workspace} workspace The workspace to search.
-     * @return {!Array.<string>} A list of non-duplicated variable names.
-     */
-    function allDeveloperVariables(workspace: Blockly.Workspace): string[];
-
-    /**
-     * Construct the elements (blocks and button) required by the flyout for the
-     * variable category.
-     * @param {!Blockly.Workspace} workspace The workspace containing variables.
-     * @return {!Array.<!Element>} Array of XML elements.
-     */
-    function flyoutCategory(workspace: Blockly.Workspace): Element[];
-
-    /**
-     * Construct the blocks required by the flyout for the variable category.
-     * @param {!Blockly.Workspace} workspace The workspace containing variables.
-     * @return {!Array.<!Element>} Array of XML block elements.
-     */
-    function flyoutCategoryBlocks(workspace: Blockly.Workspace): Element[];
-
-    /**
-     * Return a new variable name that is not yet being used. This will try to
-     * generate single letter variable names in the range 'i' to 'z' to start with.
-     * If no unique name is located it will try 'i' to 'z', 'a' to 'h',
-     * then 'i2' to 'z2' etc.  Skip 'l'.
-     * @param {!Blockly.Workspace} workspace The workspace to be unique in.
-     * @return {string} New variable name.
-     */
-    function generateUniqueName(workspace: Blockly.Workspace): string;
-
-    /**
-     * Returns a unique name that is not present in the usedNames array. This
-     * will try to generate single letter names in the range a -> z (skip l). It
-     * will start with the character passed to startChar.
-     * @param {string} startChar The character to start the search at.
-     * @param {!Array.<string>} usedNames A list of all of the used names.
-     * @return {string} A unique name that is not present in the usedNames array.
-     */
-    function generateUniqueNameFromOptions(startChar: string, usedNames: string[]): string;
-
-    /**
-     * Handles "Create Variable" button in the default variables toolbox category.
-     * It will prompt the user for a variable name, including re-prompts if a name
-     * is already in use among the workspace's variables.
-     *
-     * Custom button handlers can delegate to this function, allowing variables
-     * types and after-creation processing. More complex customization (e.g.,
-     * prompting for variable type) is beyond the scope of this function.
-     *
-     * @param {!Blockly.Workspace} workspace The workspace on which to create the
-     *     variable.
-     * @param {function(?string=)=} opt_callback A callback. It will be passed an
-     *     acceptable new variable name, or null if change is to be aborted (cancel
-     *     button), or undefined if an existing variable was chosen.
-     * @param {string=} opt_type The type of the variable like 'int', 'string', or
-     *     ''. This will default to '', which is a specific type.
-     */
-    function createVariableButtonHandler(workspace: Blockly.Workspace, opt_callback?: { (_0: string): any /*missing*/ }, opt_type?: string): void;
-
-    /**
-     * Original name of Blockly.Variables.createVariableButtonHandler(..).
-     * @deprecated Use Blockly.Variables.createVariableButtonHandler(..).
-     *
-     * @param {!Blockly.Workspace} workspace The workspace on which to create the
-     *     variable.
-     * @param {function(?string=)=} opt_callback A callback. It will be passed an
-     *     acceptable new variable name, or null if change is to be aborted (cancel
-     *     button), or undefined if an existing variable was chosen.
-     * @param {string=} opt_type The type of the variable like 'int', 'string', or
-     *     ''. This will default to '', which is a specific type.
-     */
-    function createVariable(workspace: Blockly.Workspace, opt_callback?: { (_0: string): any /*missing*/ }, opt_type?: string): void;
-
-    /**
-     * Opens a prompt that allows the user to enter a new name for a variable.
-     * Triggers a rename if the new name is valid. Or re-prompts if there is a
-     * collision.
-     * @param {!Blockly.Workspace} workspace The workspace on which to rename the
-     *     variable.
-     * @param {Blockly.VariableModel} variable Variable to rename.
-     * @param {function(?string=)=} opt_callback A callback. It will
-     *     be passed an acceptable new variable name, or null if change is to be
-     *     aborted (cancel button), or undefined if an existing variable was chosen.
-     */
-    function renameVariable(workspace: Blockly.Workspace, variable: Blockly.VariableModel, opt_callback?: { (_0: string): any /*missing*/ }): void;
-
-    /**
-     * Prompt the user for a new variable name.
-     * @param {string} promptText The string of the prompt.
-     * @param {string} defaultText The default value to show in the prompt's field.
-     * @param {function(?string)} callback A callback. It will return the new
-     *     variable name, or null if the user picked something illegal.
-     */
-    function promptName(promptText: string, defaultText: string, callback: { (_0: string): any /*missing*/ }): void;
-
-    /**
-     * Check whether there exists a variable with the given name of any type.
-     * @param {string} name The name to search for.
-     * @param {!Blockly.Workspace} workspace The workspace to search for the
-     *     variable.
-     * @return {Blockly.VariableModel} The variable with the given name,
-     *     or null if none was found.
-     */
-    function nameUsedWithAnyType(name: string, workspace: Blockly.Workspace): Blockly.VariableModel;
-
-    /**
-     * Generate DOM objects representing a variable field.
-     * @param {!Blockly.VariableModel} variableModel The variable model to
-     *     represent.
-     * @return {Element} The generated DOM.
-     * @public
-     */
-    function generateVariableFieldDom(variableModel: Blockly.VariableModel): Element;
-
-    /**
-     * Helper function to look up or create a variable on the given workspace.
-     * If no variable exists, creates and returns it.
-     * @param {!Blockly.Workspace} workspace The workspace to search for the
-     *     variable.  It may be a flyout workspace or main workspace.
-     * @param {?string} id The ID to use to look up or create the variable, or null.
-     * @param {string=} opt_name The string to use to look up or create the
-     *     variable.
-     * @param {string=} opt_type The type to use to look up or create the variable.
-     * @return {!Blockly.VariableModel} The variable corresponding to the given ID
-     *     or name + type combination.
-     */
-    function getOrCreateVariablePackage(workspace: Blockly.Workspace, id: string, opt_name?: string, opt_type?: string): Blockly.VariableModel;
-
-    /**
-     * Look up  a variable on the given workspace.
-     * Always looks in the main workspace before looking in the flyout workspace.
-     * Always prefers lookup by ID to lookup by name + type.
-     * @param {!Blockly.Workspace} workspace The workspace to search for the
-     *     variable.  It may be a flyout workspace or main workspace.
-     * @param {?string} id The ID to use to look up the variable, or null.
-     * @param {string=} opt_name The string to use to look up the variable.
-     *     Only used if lookup by ID fails.
-     * @param {string=} opt_type The type to use to look up the variable.
-     *     Only used if lookup by ID fails.
-     * @return {Blockly.VariableModel} The variable corresponding to the given ID
-     *     or name + type combination, or null if not found.
-     * @public
-     */
-    function getVariable(workspace: Blockly.Workspace, id: string, opt_name?: string, opt_type?: string): Blockly.VariableModel;
-
-    /**
-     * Helper function to get the list of variables that have been added to the
-     * workspace after adding a new block, using the given list of variables that
-     * were in the workspace before the new block was added.
-     * @param {!Blockly.Workspace} workspace The workspace to inspect.
-     * @param {!Array.<!Blockly.VariableModel>} originalVariables The array of
-     *     variables that existed in the workspace before adding the new block.
-     * @return {!Array.<!Blockly.VariableModel>} The new array of variables that
-     *     were freshly added to the workspace after creating the new block,
-     *     or [] if no new variables were added to the workspace.
-     * @package
-     */
-    function getAddedVariables(workspace: Blockly.Workspace, originalVariables: Blockly.VariableModel[]): Blockly.VariableModel[];
-}
-
-
-declare module Blockly.VariablesDynamic {
-
-    /**
-     * Construct the elements (blocks and button) required by the flyout for the
-     * variable category.
-     * @param {!Blockly.Workspace} workspace The workspace containing variables.
-     * @return {!Array.<!Element>} Array of XML elements.
-     */
-    function flyoutCategory(workspace: Blockly.Workspace): Element[];
-
-    /**
-     * Construct the blocks required by the flyout for the variable category.
-     * @param {!Blockly.Workspace} workspace The workspace containing variables.
-     * @return {!Array.<!Element>} Array of XML block elements.
-     */
-    function flyoutCategoryBlocks(workspace: Blockly.Workspace): Element[];
-}
-
-
-declare module Blockly {
-
-    class Warning extends Warning__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Warning__Class extends Blockly.Icon__Class  { 
-    
-            /**
-             * Class for a warning.
-             * @param {!Blockly.Block} block The block associated with this warning.
-             * @extends {Blockly.Icon}
-             * @constructor
-             */
-            constructor(block: Blockly.Block);
-    
-            /**
-             * Does this icon get hidden when the block is collapsed.
-             */
-            collapseHidden: any /*missing*/;
-    
-            /**
-             * Draw the warning icon.
-             * @param {!Element} group The icon group.
-             * @protected
-             */
-            drawIcon_(group: Element): void;
-    
-            /**
-             * Show or hide the warning bubble.
-             * @param {boolean} visible True if the bubble should be visible.
-             */
-            setVisible(visible: boolean): void;
-    
-            /**
-             * Show the bubble.
-             * @package
-             */
-            createBubble(): void;
-    
-            /**
-             * Dispose of the bubble and references to it.
-             * @package
-             */
-            disposeBubble(): void;
-    
-            /**
-             * Set this warning's text.
-             * @param {string} text Warning text (or '' to delete). This supports
-             *    linebreaks.
-             * @param {string} id An ID for this text entry to be able to maintain
-             *     multiple warnings.
-             */
-            setText(text: string, id: string): void;
-    
-            /**
-             * Get this warning's texts.
-             * @return {string} All texts concatenated into one string.
-             */
-            getText(): string;
-    
-            /**
-             * Dispose of this warning.
-             */
-            dispose(): void;
-    } 
-    
-}
-
-
-declare module Blockly.WidgetDiv {
-
-    /**
-     * Create the widget div and inject it onto the page.
-     */
-    function createDom(): void;
-
-    /**
-       * The HTML container for popup overlays (e.g. editor widgets).
-       * @type {!Element}
-       */
-    var DIV: Element;
-
-    /**
-     * Initialize and display the widget div.  Close the old one if needed.
-     * @param {!Object} newOwner The object that will be using this container.
-     * @param {boolean} rtl Right-to-left (true) or left-to-right (false).
-     * @param {Function} dispose Optional cleanup function to be run when the
-     *     widget is closed.
-     */
-    function show(newOwner: Object, rtl: boolean, dispose: Function): void;
-
-    /**
-     * Destroy the widget and hide the div.
-     */
-    function hide(): void;
-
-    /**
-     * Is the container visible?
-     * @return {boolean} True if visible.
-     */
-    function isVisible(): boolean;
-
-    /**
-     * Destroy the widget and hide the div if it is being used by the specified
-     * object.
-     * @param {!Object} oldOwner The object that was using this container.
-     */
-    function hideIfOwner(oldOwner: Object): void;
-
-    /**
-     * Position the widget div based on an anchor rectangle.
-     * The widget should be placed adjacent to but not overlapping the anchor
-     * rectangle.  The preferred position is directly below and aligned to the left
-     * (LTR) or right (RTL) side of the anchor.
-     * @param {!Blockly.utils.Rect} viewportBBox The bounding rectangle of the
-     *     current viewport, in window coordinates.
-     * @param {!Blockly.utils.Rect} anchorBBox The bounding rectangle of the anchor,
-     *     in window coordinates.
-     * @param {!Blockly.utils.Size} widgetSize The size of the widget that is inside
-     *     the widget div, in window coordinates.
-     * @param {boolean} rtl Whether the workspace is in RTL mode.  This determines
-     *     horizontal alignment.
-     * @package
-     */
-    function positionWithAnchor(viewportBBox: Blockly.utils.Rect, anchorBBox: Blockly.utils.Rect, widgetSize: Blockly.utils.Size, rtl: boolean): void;
-}
-
-
-declare module Blockly {
-
-    class Workspace extends Workspace__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Workspace__Class implements Blockly.IASTNodeLocation  { 
-    
-            /**
-             * Class for a workspace.  This is a data structure that contains blocks.
-             * There is no UI, and can be created headlessly.
-             * @param {!Blockly.Options=} opt_options Dictionary of options.
-             * @constructor
-             * @implements {Blockly.IASTNodeLocation}
-             */
-            constructor(opt_options?: Blockly.Options);
-    
-            /** @type {string} */
-            id: string;
-    
-            /** @type {!Blockly.Options} */
-            options: Blockly.Options;
-    
-            /** @type {boolean} */
-            RTL: boolean;
-    
-            /** @type {boolean} */
-            horizontalLayout: boolean;
-    
-            /** @type {number} */
-            toolboxPosition: number;
-    
-            /**
-             * An object that encapsulates logic for safety, type, and dragging checks.
-             * @type {!Blockly.IConnectionChecker}
-             */
-            connectionChecker: Blockly.IConnectionChecker;
-    
-            /**
-             * @type {!Array.<!Blockly.Events.Abstract>}
-             * @protected
-             */
-            undoStack_: Blockly.Events.Abstract[];
-    
-            /**
-             * @type {!Array.<!Blockly.Events.Abstract>}
-             * @protected
-             */
-            redoStack_: Blockly.Events.Abstract[];
-    
-            /**
-             * Returns `true` if the workspace is visible and `false` if it's headless.
-             * @type {boolean}
-             */
-            rendered: boolean;
-    
-            /**
-             * Returns `true` if the workspace is currently in the process of a bulk clear.
-             * @type {boolean}
-             * @package
-             */
-            isClearing: boolean;
-    
-            /**
-             * Maximum number of undo events in stack. `0` turns off undo, `Infinity` sets
-             * it to unlimited.
-             * @type {number}
-             */
-            MAX_UNDO: number;
-    
-            /**
-             * Set of databases for rapid lookup of connection locations.
-             * @type {Array.<!Blockly.ConnectionDB>}
-             */
-            connectionDBList: Blockly.ConnectionDB[];
-    
-            /**
-             * Dispose of this workspace.
-             * Unlink from all DOM elements to prevent memory leaks.
-             * @suppress {checkTypes}
-             */
-            dispose(): void;
-    
-            /**
-             * Adds a block to the list of top blocks.
-             * @param {!Blockly.Block} block Block to add.
-             */
-            addTopBlock(block: Blockly.Block): void;
-    
-            /**
-             * Removes a block from the list of top blocks.
-             * @param {!Blockly.Block} block Block to remove.
-             */
-            removeTopBlock(block: Blockly.Block): void;
-    
-            /**
-             * Finds the top-level blocks and returns them.  Blocks are optionally sorted
-             * by position; top to bottom (with slight LTR or RTL bias).
-             * @param {boolean} ordered Sort the list if true.
-             * @return {!Array.<!Blockly.Block>} The top-level block objects.
-             */
-            getTopBlocks(ordered: boolean): Blockly.Block[];
-    
-            /**
-             * Add a block to the list of blocks keyed by type.
-             * @param {!Blockly.Block} block Block to add.
-             */
-            addTypedBlock(block: Blockly.Block): void;
-    
-            /**
-             * Remove a block from the list of blocks keyed by type.
-             * @param {!Blockly.Block} block Block to remove.
-             */
-            removeTypedBlock(block: Blockly.Block): void;
-    
-            /**
-             * Finds the blocks with the associated type and returns them. Blocks are
-             * optionally sorted by position; top to bottom (with slight LTR or RTL bias).
-             * @param {string} type The type of block to search for.
-             * @param {boolean} ordered Sort the list if true.
-             * @return {!Array.<!Blockly.Block>} The blocks of the given type.
-             */
-            getBlocksByType(type: string, ordered: boolean): Blockly.Block[];
-    
-            /**
-             * Adds a comment to the list of top comments.
-             * @param {!Blockly.WorkspaceComment} comment comment to add.
-             * @package
-             */
-            addTopComment(comment: Blockly.WorkspaceComment): void;
-    
-            /**
-             * Removes a comment from the list of top comments.
-             * @param {!Blockly.WorkspaceComment} comment comment to remove.
-             * @package
-             */
-            removeTopComment(comment: Blockly.WorkspaceComment): void;
-    
-            /**
-             * Finds the top-level comments and returns them.  Comments are optionally
-             * sorted by position; top to bottom (with slight LTR or RTL bias).
-             * @param {boolean} ordered Sort the list if true.
-             * @return {!Array.<!Blockly.WorkspaceComment>} The top-level comment objects.
-             * @package
-             */
-            getTopComments(ordered: boolean): Blockly.WorkspaceComment[];
-    
-            /**
-             * Find all blocks in workspace.  Blocks are optionally sorted
-             * by position; top to bottom (with slight LTR or RTL bias).
-             * @param {boolean} ordered Sort the list if true.
-             * @return {!Array.<!Blockly.Block>} Array of blocks.
-             */
-            getAllBlocks(ordered: boolean): Blockly.Block[];
-    
-            /**
-             * Dispose of all blocks and comments in workspace.
-             */
-            clear(): void;
-    
-            /**
-             * Rename a variable by updating its name in the variable map. Identify the
-             * variable to rename with the given ID.
-             * @param {string} id ID of the variable to rename.
-             * @param {string} newName New variable name.
-             */
-            renameVariableById(id: string, newName: string): void;
-    
-            /**
-             * Create a variable with a given name, optional type, and optional ID.
-             * @param {string} name The name of the variable. This must be unique across
-             *     variables and procedures.
-             * @param {?string=} opt_type The type of the variable like 'int' or 'string'.
-             *     Does not need to be unique. Field_variable can filter variables based on
-             *     their type. This will default to '' which is a specific type.
-             * @param {?string=} opt_id The unique ID of the variable. This will default to
-             *     a UUID.
-             * @return {!Blockly.VariableModel} The newly created variable.
-             */
-            createVariable(name: string, opt_type?: string, opt_id?: string): Blockly.VariableModel;
-    
-            /**
-             * Find all the uses of the given variable, which is identified by ID.
-             * @param {string} id ID of the variable to find.
-             * @return {!Array.<!Blockly.Block>} Array of block usages.
-             */
-            getVariableUsesById(id: string): Blockly.Block[];
-    
-            /**
-             * Delete a variables by the passed in ID and all of its uses from this
-             * workspace. May prompt the user for confirmation.
-             * @param {string} id ID of variable to delete.
-             */
-            deleteVariableById(id: string): void;
-    
-            /**
-             * Find the variable by the given name and return it. Return null if it is not
-             *     found.
-             * @param {string} name The name to check for.
-             * @param {string=} opt_type The type of the variable.  If not provided it
-             *     defaults to the empty string, which is a specific type.
-             * @return {Blockly.VariableModel} The variable with the given name.
-             */
-            getVariable(name: string, opt_type?: string): Blockly.VariableModel;
-    
-            /**
-             * Find the variable by the given ID and return it. Return null if it is not
-             *     found.
-             * @param {string} id The ID to check for.
-             * @return {Blockly.VariableModel} The variable with the given ID.
-             */
-            getVariableById(id: string): Blockly.VariableModel;
-    
-            /**
-             * Find the variable with the specified type. If type is null, return list of
-             *     variables with empty string type.
-             * @param {?string} type Type of the variables to find.
-             * @return {!Array.<!Blockly.VariableModel>} The sought after variables of the
-             *     passed in type. An empty array if none are found.
-             */
-            getVariablesOfType(type: string): Blockly.VariableModel[];
-    
-            /**
-             * Return all variable types.
-             * @return {!Array.<string>} List of variable types.
-             * @package
-             */
-            getVariableTypes(): string[];
-    
-            /**
-             * Return all variables of all types.
-             * @return {!Array.<!Blockly.VariableModel>} List of variable models.
-             */
-            getAllVariables(): Blockly.VariableModel[];
-    
-            /**
-             * Returns all variable names of all types.
-             * @return {!Array.<string>} List of all variable names of all types.
-             */
-            getAllVariableNames(): string[];
-    
-            /**
-             * Returns the horizontal offset of the workspace.
-             * Intended for LTR/RTL compatibility in XML.
-             * Not relevant for a headless workspace.
-             * @return {number} Width.
-             */
-            getWidth(): number;
-    
-            /**
-             * Obtain a newly created block.
-             * @param {!string} prototypeName Name of the language object containing
-             *     type-specific functions for this block.
-             * @param {string=} opt_id Optional ID.  Use this ID if provided, otherwise
-             *     create a new ID.
-             * @return {!Blockly.Block} The created block.
-             */
-            newBlock(prototypeName: string, opt_id?: string): Blockly.Block;
-    
-            /**
-             * The number of blocks that may be added to the workspace before reaching
-             *     the maxBlocks.
-             * @return {number} Number of blocks left.
-             */
-            remainingCapacity(): number;
-    
-            /**
-             * The number of blocks of the given type that may be added to the workspace
-             *    before reaching the maxInstances allowed for that type.
-             * @param {string} type Type of block to return capacity for.
-             * @return {number} Number of blocks of type left.
-             */
-            remainingCapacityOfType(type: string): number;
-    
-            /**
-             * Check if there is remaining capacity for blocks of the given counts to be
-             *    created. If the total number of blocks represented by the map is more than
-             *    the total remaining capacity, it returns false. If a type count is more
-             *    than the remaining capacity for that type, it returns false.
-             * @param {!Object} typeCountsMap A map of types to counts (usually representing
-             *    blocks to be created).
-             * @return {boolean} True if there is capacity for the given map,
-             *    false otherwise.
-             */
-            isCapacityAvailable(typeCountsMap: Object): boolean;
-    
-            /**
-             * Checks if the workspace has any limits on the maximum number of blocks,
-             *    or the maximum number of blocks of specific types.
-             * @return {boolean} True if it has block limits, false otherwise.
-             */
-            hasBlockLimits(): boolean;
-    
-            /**
-             * Gets the undo stack for workplace.
-             * @return {!Array.<!Blockly.Events.Abstract>} undo stack
-             * @package
-             */
-            getUndoStack(): Blockly.Events.Abstract[];
-    
-            /**
-             * Gets the redo stack for workplace.
-             * @return {!Array.<!Blockly.Events.Abstract>} redo stack
-             * @package
-             */
-            getRedoStack(): Blockly.Events.Abstract[];
-    
-            /**
-             * Undo or redo the previous action.
-             * @param {boolean} redo False if undo, true if redo.
-             */
-            undo(redo: boolean): void;
-    
-            /**
-             * Clear the undo/redo stacks.
-             */
-            clearUndo(): void;
-    
-            /**
-             * When something in this workspace changes, call a function.
-             * Note that there may be a few recent events already on the stack.  Thus the
-             * new change listener might be called with events that occurred a few
-             * milliseconds before the change listener was added.
-             * @param {!Function} func Function to call.
-             * @return {!Function} Obsolete return value, ignore.
-             */
-            addChangeListener(func: Function): Function;
-    
-            /**
-             * Stop listening for this workspace's changes.
-             * @param {Function} func Function to stop calling.
-             */
-            removeChangeListener(func: Function): void;
-    
-            /**
-             * Fire a change event.
-             * @param {!Blockly.Events.Abstract} event Event to fire.
-             */
-            fireChangeListener(event: Blockly.Events.Abstract): void;
-    
-            /**
-             * Find the block on this workspace with the specified ID.
-             * @param {string} id ID of block to find.
-             * @return {Blockly.Block} The sought after block, or null if not found.
-             */
-            getBlockById(id: string): Blockly.Block;
-    
-            /**
-             * Set a block on this workspace with the specified ID.
-             * @param {string} id ID of block to set.
-             * @param {Blockly.Block} block The block to set.
-             * @package
-             */
-            setBlockById(id: string, block: Blockly.Block): void;
-    
-            /**
-             * Delete a block off this workspace with the specified ID.
-             * @param {string} id ID of block to delete.
-             * @package
-             */
-            removeBlockById(id: string): void;
-    
-            /**
-             * Find the comment on this workspace with the specified ID.
-             * @param {string} id ID of comment to find.
-             * @return {Blockly.WorkspaceComment} The sought after comment, or null if not
-             *     found.
-             * @package
-             */
-            getCommentById(id: string): Blockly.WorkspaceComment;
-    
-            /**
-             * Checks whether all value and statement inputs in the workspace are filled
-             * with blocks.
-             * @param {boolean=} opt_shadowBlocksAreFilled An optional argument controlling
-             *     whether shadow blocks are counted as filled. Defaults to true.
-             * @return {boolean} True if all inputs are filled, false otherwise.
-             */
-            allInputsFilled(opt_shadowBlocksAreFilled?: boolean): boolean;
-    
-            /**
-             * Return the variable map that contains "potential" variables.
-             * These exist in the flyout but not in the workspace.
-             * @return {Blockly.VariableMap} The potential variable map.
-             * @package
-             */
-            getPotentialVariableMap(): Blockly.VariableMap;
-    
-            /**
-             * Create and store the potential variable map for this workspace.
-             * @package
-             */
-            createPotentialVariableMap(): void;
-    
-            /**
-             * Return the map of all variables on the workspace.
-             * @return {!Blockly.VariableMap} The variable map.
-             */
-            getVariableMap(): Blockly.VariableMap;
-    
-            /**
-             * Set the map of all variables on the workspace.
-             * @param {!Blockly.VariableMap} variableMap The variable map.
-             * @package
-             */
-            setVariableMap(variableMap: Blockly.VariableMap): void;
-    } 
-    
-}
-
-declare module Blockly.Workspace {
-
-    /**
-     * Angle away from the horizontal to sweep for blocks.  Order of execution is
-     * generally top to bottom, but a small angle changes the scan to give a bit of
-     * a left to right bias (reversed in RTL).  Units are in degrees.
-     * See: https://tvtropes.org/pmwiki/pmwiki.php/Main/DiagonalBilling
-     */
-    var SCAN_ANGLE: any /*missing*/;
-
-    /**
-     * Find the workspace with the specified ID.
-     * @param {string} id ID of workspace to find.
-     * @return {Blockly.Workspace} The sought after workspace or null if not found.
-     */
-    function getById(id: string): Blockly.Workspace;
-
-    /**
-     * Find all workspaces.
-     * @return {!Array.<!Blockly.Workspace>} Array of workspaces.
-     */
-    function getAll(): Blockly.Workspace[];
-}
-
-
-declare module Blockly {
-
-    class WorkspaceAudio extends WorkspaceAudio__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class WorkspaceAudio__Class  { 
-    
-            /**
-             * Class for loading, storing, and playing audio for a workspace.
-             * @param {Blockly.WorkspaceSvg} parentWorkspace The parent of the workspace
-             *     this audio object belongs to, or null.
-             * @constructor
-             */
-            constructor(parentWorkspace: Blockly.WorkspaceSvg);
-    
-            /**
-             * Dispose of this audio manager.
-             * @package
-             */
-            dispose(): void;
-    
-            /**
-             * Load an audio file.  Cache it, ready for instantaneous playing.
-             * @param {!Array.<string>} filenames List of file types in decreasing order of
-             *   preference (i.e. increasing size).  E.g. ['media/go.mp3', 'media/go.wav']
-             *   Filenames include path from Blockly's root.  File extensions matter.
-             * @param {string} name Name of sound.
-             */
-            load(filenames: string[], name: string): void;
-    
-            /**
-             * Preload all the audio files so that they play quickly when asked for.
-             * @package
-             */
-            preload(): void;
-    
-            /**
-             * Play a named sound at specified volume.  If volume is not specified,
-             * use full volume (1).
-             * @param {string} name Name of sound.
-             * @param {number=} opt_volume Volume of sound (0-1).
-             */
-            play(name: string, opt_volume?: number): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class WorkspaceComment extends WorkspaceComment__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class WorkspaceComment__Class  { 
-    
-            /**
-             * Class for a workspace comment.
-             * @param {!Blockly.Workspace} workspace The block's workspace.
-             * @param {string} content The content of this workspace comment.
-             * @param {number} height Height of the comment.
-             * @param {number} width Width of the comment.
-             * @param {string=} opt_id Optional ID.  Use this ID if provided, otherwise
-             *     create a new ID.
-             * @constructor
-             */
-            constructor(workspace: Blockly.Workspace, content: string, height: number, width: number, opt_id?: string);
-    
-            /** @type {string} */
-            id: string;
-    
-            /**
-             * The comment's position in workspace units.  (0, 0) is at the workspace's
-             * origin; scale does not change this value.
-             * @type {!Blockly.utils.Coordinate}
-             * @protected
-             */
-            xy_: Blockly.utils.Coordinate;
-    
-            /**
-             * @type {!Blockly.Workspace}
-             */
-            workspace: Blockly.Workspace;
-    
-            /**
-             * @protected
-             * @type {boolean}
-             */
-            RTL: boolean;
-    
-            /**
-             * @protected
-             * @type {string}
-             */
-            content_: string;
-    
-            /**
-             * @package
-             * @type {boolean}
-             */
-            isComment: boolean;
-    
-            /**
-             * Dispose of this comment.
-             * @package
-             */
-            dispose(): void;
-    
-            /**
-             * Get comment height.
-             * @return {number} Comment height.
-             * @package
-             */
-            getHeight(): number;
-    
-            /**
-             * Set comment height.
-             * @param {number} height Comment height.
-             * @package
-             */
-            setHeight(height: number): void;
-    
-            /**
-             * Get comment width.
-             * @return {number} Comment width.
-             * @package
-             */
-            getWidth(): number;
-    
-            /**
-             * Set comment width.
-             * @param {number} width comment width.
-             * @package
-             */
-            setWidth(width: number): void;
-    
-            /**
-             * Get stored location.
-             * @return {!Blockly.utils.Coordinate} The comment's stored location.
-             *   This is not valid if the comment is currently being dragged.
-             * @package
-             */
-            getXY(): Blockly.utils.Coordinate;
-    
-            /**
-             * Move a comment by a relative offset.
-             * @param {number} dx Horizontal offset, in workspace units.
-             * @param {number} dy Vertical offset, in workspace units.
-             * @package
-             */
-            moveBy(dx: number, dy: number): void;
-    
-            /**
-             * Get whether this comment is deletable or not.
-             * @return {boolean} True if deletable.
-             * @package
-             */
-            isDeletable(): boolean;
-    
-            /**
-             * Set whether this comment is deletable or not.
-             * @param {boolean} deletable True if deletable.
-             * @package
-             */
-            setDeletable(deletable: boolean): void;
-    
-            /**
-             * Get whether this comment is movable or not.
-             * @return {boolean} True if movable.
-             * @package
-             */
-            isMovable(): boolean;
-    
-            /**
-             * Set whether this comment is movable or not.
-             * @param {boolean} movable True if movable.
-             * @package
-             */
-            setMovable(movable: boolean): void;
-    
-            /**
-             * Get whether this comment is editable or not.
-             * @return {boolean} True if editable.
-             */
-            isEditable(): boolean;
-    
-            /**
-             * Set whether this comment is editable or not.
-             * @param {boolean} editable True if editable.
-             */
-            setEditable(editable: boolean): void;
-    
-            /**
-             * Returns this comment's text.
-             * @return {string} Comment text.
-             * @package
-             */
-            getContent(): string;
-    
-            /**
-             * Set this comment's content.
-             * @param {string} content Comment content.
-             * @package
-             */
-            setContent(content: string): void;
-    
-            /**
-             * Encode a comment subtree as XML with XY coordinates.
-             * @param {boolean=} opt_noId True if the encoder should skip the comment ID.
-             * @return {!Element} Tree of XML elements.
-             * @package
-             */
-            toXmlWithXY(opt_noId?: boolean): Element;
-    
-            /**
-             * Encode a comment subtree as XML, but don't serialize the XY coordinates.
-             * This method avoids some expensive metrics-related calls that are made in
-             * toXmlWithXY().
-             * @param {boolean=} opt_noId True if the encoder should skip the comment ID.
-             * @return {!Element} Tree of XML elements.
-             * @package
-             */
-            toXml(opt_noId?: boolean): Element;
-    } 
-    
-}
-
-declare module Blockly.WorkspaceComment {
-
-    /**
-     * Fire a create event for the given workspace comment, if comments are enabled.
-     * @param {!Blockly.WorkspaceComment} comment The comment that was just created.
-     * @package
-     */
-    function fireCreateEvent(comment: Blockly.WorkspaceComment): void;
-
-    /**
-     * Decode an XML comment tag and create a comment on the workspace.
-     * @param {!Element} xmlComment XML comment element.
-     * @param {!Blockly.Workspace} workspace The workspace.
-     * @return {!Blockly.WorkspaceComment} The created workspace comment.
-     * @package
-     */
-    function fromXml(xmlComment: Element, workspace: Blockly.Workspace): Blockly.WorkspaceComment;
-
-    /**
-     * Decode an XML comment tag and return the results in an object.
-     * @param {!Element} xml XML comment element.
-     * @return {{w: number, h: number, x: number, y: number, content: string}} An
-     *     object containing the id, size, position, and comment string.
-     * @package
-     */
-    function parseAttributes(xml: Element): { w: number; h: number; x: number; y: number; content: string };
-}
-
-
-
-declare module Blockly {
-
-    class WorkspaceCommentSvg extends WorkspaceCommentSvg__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class WorkspaceCommentSvg__Class extends Blockly.WorkspaceComment__Class implements Blockly.IBoundedElement, Blockly.IBubble, Blockly.ICopyable  { 
-    
-            /**
-             * Class for a workspace comment's SVG representation.
-             * @param {!Blockly.Workspace} workspace The block's workspace.
-             * @param {string} content The content of this workspace comment.
-             * @param {number} height Height of the comment.
-             * @param {number} width Width of the comment.
-             * @param {string=} opt_id Optional ID.  Use this ID if provided, otherwise
-             *     create a new ID.
-             * @extends {Blockly.WorkspaceComment}
-             * @implements {Blockly.IBoundedElement}
-             * @implements {Blockly.IBubble}
-             * @implements {Blockly.ICopyable}
-             * @constructor
-             */
-            constructor(workspace: Blockly.Workspace, content: string, height: number, width: number, opt_id?: string);
-    
-            /**
-             * Dispose of this comment.
-             * @package
-             */
-            dispose(): void;
-    
-            /**
-             * Create and initialize the SVG representation of a workspace comment.
-             * May be called more than once.
-             * @package
-             */
-            initSvg(): void;
-    
-            /**
-             * Show the context menu for this workspace comment.
-             * @param {!Event} e Mouse event.
-             * @package
-             */
-            showContextMenu(e: Event): void;
-    
-            /**
-             * Select this comment.  Highlight it visually.
-             * @package
-             */
-            select(): void;
-    
-            /**
-             * Unselect this comment.  Remove its highlighting.
-             * @package
-             */
-            unselect(): void;
-    
-            /**
-             * Select this comment.  Highlight it visually.
-             * @package
-             */
-            addSelect(): void;
-    
-            /**
-             * Unselect this comment.  Remove its highlighting.
-             * @package
-             */
-            removeSelect(): void;
-    
-            /**
-             * Focus this comment.  Highlight it visually.
-             * @package
-             */
-            addFocus(): void;
-    
-            /**
-             * Unfocus this comment.  Remove its highlighting.
-             * @package
-             */
-            removeFocus(): void;
-    
-            /**
-             * Return the coordinates of the top-left corner of this comment relative to
-             * the drawing surface's origin (0,0), in workspace units.
-             * If the comment is on the workspace, (0, 0) is the origin of the workspace
-             * coordinate system.
-             * This does not change with workspace scale.
-             * @return {!Blockly.utils.Coordinate} Object with .x and .y properties in
-             *     workspace coordinates.
-             * @package
-             */
-            getRelativeToSurfaceXY(): Blockly.utils.Coordinate;
-    
-            /**
-             * Move a comment by a relative offset.
-             * @param {number} dx Horizontal offset, in workspace units.
-             * @param {number} dy Vertical offset, in workspace units.
-             * @package
-             */
-            moveBy(dx: number, dy: number): void;
-    
-            /**
-             * Transforms a comment by setting the translation on the transform attribute
-             * of the block's SVG.
-             * @param {number} x The x coordinate of the translation in workspace units.
-             * @param {number} y The y coordinate of the translation in workspace units.
-             * @package
-             */
-            translate(x: number, y: number): void;
-    
-            /**
-             * Move this comment to its workspace's drag surface, accounting for
-             * positioning.  Generally should be called at the same time as
-             * setDragging(true).  Does nothing if useDragSurface_ is false.
-             * @package
-             */
-            moveToDragSurface(): void;
-    
-            /**
-             * Move this comment during a drag, taking into account whether we are using a
-             * drag surface to translate blocks.
-             * @param {Blockly.BlockDragSurfaceSvg} dragSurface The surface that carries
-             *     rendered items during a drag, or null if no drag surface is in use.
-             * @param {!Blockly.utils.Coordinate} newLoc The location to translate to, in
-             *     workspace coordinates.
-             * @package
-             */
-            moveDuringDrag(dragSurface: Blockly.BlockDragSurfaceSvg, newLoc: Blockly.utils.Coordinate): void;
-    
-            /**
-             * Move the bubble group to the specified location in workspace coordinates.
-             * @param {number} x The x position to move to.
-             * @param {number} y The y position to move to.
-             * @package
-             */
-            moveTo(x: number, y: number): void;
-    
-            /**
-             * Returns the coordinates of a bounding box describing the dimensions of this
-             * comment.
-             * Coordinate system: workspace coordinates.
-             * @return {!Blockly.utils.Rect} Object with coordinates of the bounding box.
-             * @package
-             */
-            getBoundingRectangle(): Blockly.utils.Rect;
-    
-            /**
-             * Add or remove the UI indicating if this comment is movable or not.
-             * @package
-             */
-            updateMovable(): void;
-    
-            /**
-             * Set whether this comment is movable or not.
-             * @param {boolean} movable True if movable.
-             * @package
-             */
-            setMovable(movable: boolean): void;
-    
-            /**
-             * Set whether this comment is editable or not.
-             * @param {boolean} editable True if editable.
-             */
-            setEditable(editable: boolean): void;
-    
-            /**
-             * Recursively adds or removes the dragging class to this node and its children.
-             * @param {boolean} adding True if adding, false if removing.
-             * @package
-             */
-            setDragging(adding: boolean): void;
-    
-            /**
-             * Return the root node of the SVG or null if none exists.
-             * @return {!SVGElement} The root SVG node (probably a group).
-             * @package
-             */
-            getSvgRoot(): SVGElement;
-    
-            /**
-             * Returns this comment's text.
-             * @return {string} Comment text.
-             * @package
-             */
-            getContent(): string;
-    
-            /**
-             * Set this comment's content.
-             * @param {string} content Comment content.
-             * @package
-             */
-            setContent(content: string): void;
-    
-            /**
-             * Update the cursor over this comment by adding or removing a class.
-             * @param {boolean} enable True if the delete cursor should be shown, false
-             *     otherwise.
-             * @package
-             */
-            setDeleteStyle(enable: boolean): void;
-    
-            /**
-             * Set whether auto-layout of this bubble is enabled.  The first time a bubble
-             * is shown it positions itself to not cover any blocks.  Once a user has
-             * dragged it to reposition, it renders where the user put it.
-             * @param {boolean} _enable True if auto-layout should be enabled, false
-             *     otherwise.
-             * @package
-             */
-            setAutoLayout(_enable: boolean): void;
-    
-            /**
-             * Encode a comment subtree as XML with XY coordinates.
-             * @param {boolean=} opt_noId True if the encoder should skip the comment ID.
-             * @return {!Element} Tree of XML elements.
-             * @package
-             */
-            toXmlWithXY(opt_noId?: boolean): Element;
-    
-            /**
-             * Encode a comment for copying.
-             * @return {!Blockly.ICopyable.CopyData} Copy metadata.
-             * @package
-             */
-            toCopyData(): Blockly.ICopyable.CopyData;
-    } 
-    
-}
-
-declare module Blockly.WorkspaceCommentSvg {
-
-    /**
-     * The width and height to use to size a workspace comment when it is first
-     * added, before it has been edited by the user.
-     * @type {number}
-     * @package
-     */
-    var DEFAULT_SIZE: number;
-
-    /**
-     * Decode an XML comment tag and create a rendered comment on the workspace.
-     * @param {!Element} xmlComment XML comment element.
-     * @param {!Blockly.Workspace} workspace The workspace.
-     * @param {number=} opt_wsWidth The width of the workspace, which is used to
-     *     position comments correctly in RTL.
-     * @return {!Blockly.WorkspaceCommentSvg} The created workspace comment.
-     * @package
-     */
-    function fromXml(xmlComment: Element, workspace: Blockly.Workspace, opt_wsWidth?: number): Blockly.WorkspaceCommentSvg;
-}
-
-
-declare module Blockly {
-
-    class WorkspaceDragSurfaceSvg extends WorkspaceDragSurfaceSvg__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class WorkspaceDragSurfaceSvg__Class  { 
-    
-            /**
-             * Blocks are moved into this SVG during a drag, improving performance.
-             * The entire SVG is translated using CSS transforms instead of SVG so the
-             * blocks are never repainted during drag improving performance.
-             * @param {!Element} container Containing element.
-             * @constructor
-             */
-            constructor(container: Element);
-    
-            /**
-             * Dom structure when the workspace is being dragged. If there is no drag in
-             * progress, the SVG is empty and display: none.
-             * <svg class="blocklyWsDragSurface" style=transform:translate3d(...)>
-             *   <g class="blocklyBlockCanvas"></g>
-             *   <g class="blocklyBubbleCanvas">/g>
-             * </svg>
-             */
-            SVG_: any /*missing*/;
-    
-            /**
-             * Create the drag surface and inject it into the container.
-             */
-            createDom(): void;
-    
-            /**
-             * Translate the entire drag surface during a drag.
-             * We translate the drag surface instead of the blocks inside the surface
-             * so that the browser avoids repainting the SVG.
-             * Because of this, the drag coordinates must be adjusted by scale.
-             * @param {number} x X translation for the entire surface
-             * @param {number} y Y translation for the entire surface
-             * @package
-             */
-            translateSurface(x: number, y: number): void;
-    
-            /**
-             * Reports the surface translation in scaled workspace coordinates.
-             * Use this when finishing a drag to return blocks to the correct position.
-             * @return {!Blockly.utils.Coordinate} Current translation of the surface
-             * @package
-             */
-            getSurfaceTranslation(): Blockly.utils.Coordinate;
-    
-            /**
-             * Move the blockCanvas and bubbleCanvas out of the surface SVG and on to
-             * newSurface.
-             * @param {SVGElement} newSurface The element to put the drag surface contents
-             *     into.
-             * @package
-             */
-            clearAndHide(newSurface: SVGElement): void;
-    
-            /**
-             * Set the SVG to have the block canvas and bubble canvas in it and then
-             * show the surface.
-             * @param {!SVGElement} blockCanvas The block canvas <g> element from the
-             *     workspace.
-             * @param {!SVGElement} bubbleCanvas The <g> element that contains the bubbles.
-             * @param {Element} previousSibling The element to insert the block canvas and
-                   bubble canvas after when it goes back in the DOM at the end of a drag.
-             * @param {number} width The width of the workspace SVG element.
-             * @param {number} height The height of the workspace SVG element.
-             * @param {number} scale The scale of the workspace being dragged.
-             * @package
-             */
-            setContentsAndShow(blockCanvas: SVGElement, bubbleCanvas: SVGElement, previousSibling: Element, width: number, height: number, scale: number): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class WorkspaceDragger extends WorkspaceDragger__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class WorkspaceDragger__Class  { 
-    
-            /**
-             * Class for a workspace dragger.  It moves the workspace around when it is
-             * being dragged by a mouse or touch.
-             * Note that the workspace itself manages whether or not it has a drag surface
-             * and how to do translations based on that.  This simply passes the right
-             * commands based on events.
-             * @param {!Blockly.WorkspaceSvg} workspace The workspace to drag.
-             * @constructor
-             */
-            constructor(workspace: Blockly.WorkspaceSvg);
-    
-            /**
-             * The scroll position of the workspace at the beginning of the drag.
-             * Coordinate system: pixel coordinates.
-             * @type {!Blockly.utils.Coordinate}
-             * @protected
-             */
-            startScrollXY_: Blockly.utils.Coordinate;
-    
-            /**
-             * Sever all links from this object.
-             * @package
-             * @suppress {checkTypes}
-             */
-            dispose(): void;
-    
-            /**
-             * Start dragging the workspace.
-             * @package
-             */
-            startDrag(): void;
-    
-            /**
-             * Finish dragging the workspace and put everything back where it belongs.
-             * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
-             *     moved from the position at the start of the drag, in pixel coordinates.
-             * @package
-             */
-            endDrag(currentDragDeltaXY: Blockly.utils.Coordinate): void;
-    
-            /**
-             * Move the workspace based on the most recent mouse movements.
-             * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
-             *     moved from the position at the start of the drag, in pixel coordinates.
-             * @package
-             */
-            drag(currentDragDeltaXY: Blockly.utils.Coordinate): void;
-    } 
-    
-}
-
-
-declare module Blockly.Events {
-
-    class FinishedLoading extends FinishedLoading__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class FinishedLoading__Class extends Blockly.Events.Ui__Class  { 
-    
-            /**
-             * Class for a finished loading event.
-             * Used to notify the developer when the workspace has finished loading (i.e
-             * domToWorkspace).
-             * Finished loading events do not record undo or redo.
-             * @param {!Blockly.Workspace=} opt_workspace The workspace that has finished
-             *    loading.  Undefined for a blank event.
-             * @extends {Blockly.Events.Ui}
-             * @constructor
-             */
-            constructor(opt_workspace?: Blockly.Workspace);
-    
-            /**
-             * Whether or not the event is blank (to be populated by fromJson).
-             * @type {boolean}
-             */
-            isBlank: boolean;
-    
-            /**
-             * The workspace identifier for this event.
-             * @type {string}
-             */
-            workspaceId: string;
-    
-            /**
-             * The event group ID for the group this event belongs to. Groups define
-             * events that should be treated as an single action from the user's
-             * perspective, and should be undone together.
-             * @type {string}
-             */
-            group: string;
-    
-            /**
-             * Type of this event.
-             * @type {string}
-             */
-            type: string;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class WorkspaceSvg extends WorkspaceSvg__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class WorkspaceSvg__Class extends Blockly.Workspace__Class implements Blockly.IASTNodeLocationSvg  { 
-    
-            /**
-             * Class for a workspace.  This is an onscreen area with optional trashcan,
-             * scrollbars, bubbles, and dragging.
-             * @param {!Blockly.Options} options Dictionary of options.
-             * @param {Blockly.BlockDragSurfaceSvg=} opt_blockDragSurface Drag surface for
-             *     blocks.
-             * @param {Blockly.WorkspaceDragSurfaceSvg=} opt_wsDragSurface Drag surface for
-             *     the workspace.
-             * @extends {Blockly.Workspace}
-             * @implements {Blockly.IASTNodeLocationSvg}
-             * @constructor
-             */
-            constructor(options: Blockly.Options, opt_blockDragSurface?: Blockly.BlockDragSurfaceSvg, opt_wsDragSurface?: Blockly.WorkspaceDragSurfaceSvg);
-    
-            /** @type {function():!Blockly.utils.Metrics} */
-            getMetrics: { (): Blockly.utils.Metrics };
-    
-            /** @type {function(!{x:number, y:number}):void} */
-            setMetrics: { (_0: { x: number; y: number }): void };
-    
-            /**
-             * Object in charge of storing and updating the workspace theme.
-             * @type {!Blockly.ThemeManager}
-             * @protected
-             */
-            themeManager_: Blockly.ThemeManager;
-    
-            /**
-             * True if keyboard accessibility mode is on, false otherwise.
-             * @type {boolean}
-             */
-            keyboardAccessibilityMode: boolean;
-    
-            /**
-             * The render status of an SVG workspace.
-             * Returns `false` for headless workspaces and true for instances of
-             * `Blockly.WorkspaceSvg`.
-             * @type {boolean}
-             */
-            rendered: boolean;
-    
-            /**
-             * Is this workspace the surface for a flyout?
-             * @type {boolean}
-             */
-            isFlyout: boolean;
-    
-            /**
-             * Is this workspace the surface for a mutator?
-             * @type {boolean}
-             * @package
-             */
-            isMutator: boolean;
-    
-            /**
-             * Current horizontal scrolling offset in pixel units, relative to the
-             * workspace origin.
-             *
-             * It is useful to think about a view, and a canvas moving beneath that
-             * view. As the canvas moves right, this value becomes more positive, and
-             * the view is now "seeing" the left side of the canvas. As the canvas moves
-             * left, this value becomes more negative, and the view is now "seeing" the
-             * right side of the canvas.
-             *
-             * The confusing thing about this value is that it does not, and must not
-             * include the absoluteLeft offset. This is because it is used to calculate
-             * the viewLeft value.
-             *
-             * The viewLeft is relative to the workspace origin (although in pixel
-             * units). The workspace origin is the top-left corner of the workspace (at
-             * least when it is enabled). It is shifted from the top-left of the blocklyDiv
-             * so as not to be beneath the toolbox.
-             *
-             * When the workspace is enabled the viewLeft and workspace origin are at
-             * the same X location. As the canvas slides towards the right beneath the view
-             * this value (scrollX) becomes more positive, and the viewLeft becomes more
-             * negative relative to the workspace origin (imagine the workspace origin
-             * as a dot on the canvas sliding to the right as the canvas moves).
-             *
-             * So if the scrollX were to include the absoluteLeft this would in a way
-             * "unshift" the workspace origin. This means that the viewLeft would be
-             * representing the left edge of the blocklyDiv, rather than the left edge
-             * of the workspace.
-             *
-             * @type {number}
-             */
-            scrollX: number;
-    
-            /**
-             * Current vertical scrolling offset in pixel units, relative to the
-             * workspace origin.
-             *
-             * It is useful to think about a view, and a canvas moving beneath that
-             * view. As the canvas moves down, this value becomes more positive, and the
-             * view is now "seeing" the upper part of the canvas. As the canvas moves
-             * up, this value becomes more negative, and the view is "seeing" the lower
-             * part of the canvas.
-             *
-             * This confusing thing about this value is that it does not, and must not
-             * include the absoluteTop offset. This is because it is used to calculate
-             * the viewTop value.
-             *
-             * The viewTop is relative to the workspace origin (although in pixel
-             * units). The workspace origin is the top-left corner of the workspace (at
-             * least when it is enabled). It is shifted from the top-left of the
-             * blocklyDiv so as not to be beneath the toolbox.
-             *
-             * When the workspace is enabled the viewTop and workspace origin are at the
-             * same Y location. As the canvas slides towards the bottom this value
-             * (scrollY) becomes more positive, and the viewTop becomes more negative
-             * relative to the workspace origin (image in the workspace origin as a dot
-             * on the canvas sliding downwards as the canvas moves).
-             *
-             * So if the scrollY were to include the absoluteTop this would in a way
-             * "unshift" the workspace origin. This means that the viewTop would be
-             * representing the top edge of the blocklyDiv, rather than the top edge of
-             * the workspace.
-             *
-             * @type {number}
-             */
-            scrollY: number;
-    
-            /**
-             * Horizontal scroll value when scrolling started in pixel units.
-             * @type {number}
-             */
-            startScrollX: number;
-    
-            /**
-             * Vertical scroll value when scrolling started in pixel units.
-             * @type {number}
-             */
-            startScrollY: number;
-    
-            /**
-             * Current scale.
-             * @type {number}
-             */
-            scale: number;
-    
-            /** @type {Blockly.Trashcan} */
-            trashcan: Blockly.Trashcan;
-    
-            /**
-             * This workspace's scrollbars, if they exist.
-             * @type {Blockly.ScrollbarPair}
-             */
-            scrollbar: Blockly.ScrollbarPair;
-    
-            /**
-             * Developers may define this function to add custom menu options to the
-             * workspace's context menu or edit the workspace-created set of menu options.
-             * @param {!Array.<!Object>} options List of menu options to add to.
-             * @param {!Event} e The right-click event that triggered the context menu.
-             */
-            configureContextMenu(options: Object[], e: Event): void;
-    
-            /**
-             * In a flyout, the target workspace where blocks should be placed after a drag.
-             * Otherwise null.
-             * @type {Blockly.WorkspaceSvg}
-             * @package
-             */
-            targetWorkspace: Blockly.WorkspaceSvg;
-    
-            /**
-             * Get the marker manager for this workspace.
-             * @return {Blockly.MarkerManager} The marker manager.
-             */
-            getMarkerManager(): Blockly.MarkerManager;
-    
-            /**
-             * Add the cursor svg to this workspaces svg group.
-             * @param {SVGElement} cursorSvg The svg root of the cursor to be added to the
-             *     workspace svg group.
-             * @package
-             */
-            setCursorSvg(cursorSvg: SVGElement): void;
-    
-            /**
-             * Add the marker svg to this workspaces svg group.
-             * @param {SVGElement} markerSvg The svg root of the marker to be added to the
-             *     workspace svg group.
-             * @package
-             */
-            setMarkerSvg(markerSvg: SVGElement): void;
-    
-            /**
-             * Get the marker with the given id.
-             * @param {string} id The id of the marker.
-             * @return {Blockly.Marker} The marker with the given id or null if no marker
-             *     with the given id exists.
-             * @package
-             */
-            getMarker(id: string): Blockly.Marker;
-    
-            /**
-             * The cursor for this workspace.
-             * @return {Blockly.Cursor} The cursor for the workspace.
-             */
-            getCursor(): Blockly.Cursor;
-    
-            /**
-             * Get the block renderer attached to this workspace.
-             * @return {!Blockly.blockRendering.Renderer} The renderer attached to this workspace.
-             */
-            getRenderer(): Blockly.blockRendering.Renderer;
-    
-            /**
-             * Get the theme manager for this workspace.
-             * @return {!Blockly.ThemeManager} The theme manager for this workspace.
-             * @package
-             */
-            getThemeManager(): Blockly.ThemeManager;
-    
-            /**
-             * Get the workspace theme object.
-             * @return {!Blockly.Theme} The workspace theme object.
-             */
-            getTheme(): Blockly.Theme;
-    
-            /**
-             * Set the workspace theme object.
-             * If no theme is passed, default to the `Blockly.Themes.Classic` theme.
-             * @param {Blockly.Theme} theme The workspace theme object.
-             */
-            setTheme(theme: Blockly.Theme): void;
-    
-            /**
-             * Refresh all blocks on the workspace after a theme update.
-             * @package
-             */
-            refreshTheme(): void;
-    
-            /**
-             * Getter for the inverted screen CTM.
-             * @return {SVGMatrix} The matrix to use in mouseToSvg
-             */
-            getInverseScreenCTM(): SVGMatrix;
-    
-            /**
-             * Mark the inverse screen CTM as dirty.
-             */
-            updateInverseScreenCTM(): void;
-    
-            /**
-             * Getter for isVisible
-             * @return {boolean} Whether the workspace is visible.
-             *     False if the workspace has been hidden by calling `setVisible(false)`.
-             */
-            isVisible(): boolean;
-    
-            /**
-             * Return the absolute coordinates of the top-left corner of this element,
-             * scales that after canvas SVG element, if it's a descendant.
-             * The origin (0,0) is the top-left corner of the Blockly SVG.
-             * @param {!SVGElement} element SVG element to find the coordinates of.
-             * @return {!Blockly.utils.Coordinate} Object with .x and .y properties.
-             * @package
-             */
-            getSvgXY(element: SVGElement): Blockly.utils.Coordinate;
-    
-            /**
-             * Return the position of the workspace origin relative to the injection div
-             * origin in pixels.
-             * The workspace origin is where a block would render at position (0, 0).
-             * It is not the upper left corner of the workspace SVG.
-             * @return {!Blockly.utils.Coordinate} Offset in pixels.
-             * @package
-             */
-            getOriginOffsetInPixels(): Blockly.utils.Coordinate;
-    
-            /**
-             * Return the injection div that is a parent of this workspace.
-             * Walks the DOM the first time it's called, then returns a cached value.
-             * Note: We assume this is only called after the workspace has been injected
-             * into the DOM.
-             * @return {!Element} The first parent div with 'injectionDiv' in the name.
-             * @package
-             */
-            getInjectionDiv(): Element;
-    
-            /**
-             * Get the svg block canvas for the workspace.
-             * @return {SVGElement} The svg group for the workspace.
-             * @package
-             */
-            getBlockCanvas(): SVGElement;
-    
-            /**
-             * Save resize handler data so we can delete it later in dispose.
-             * @param {!Array.<!Array>} handler Data that can be passed to unbindEvent_.
-             */
-            setResizeHandlerWrapper(handler: any[][]): void;
-    
-            /**
-             * Create the workspace DOM elements.
-             * @param {string=} opt_backgroundClass Either 'blocklyMainBackground' or
-             *     'blocklyMutatorBackground'.
-             * @return {!Element} The workspace's SVG group.
-             */
-            createDom(opt_backgroundClass?: string): Element;
-    
-            /**
-             * <g class="blocklyWorkspace">
-             *   <rect class="blocklyMainBackground" height="100%" width="100%"></rect>
-             *   [Trashcan and/or flyout may go here]
-             *   <g class="blocklyBlockCanvas"></g>
-             *   <g class="blocklyBubbleCanvas"></g>
-             * </g>
-             * @type {SVGElement}
-             */
-            svgGroup_: SVGElement;
-    
-            /** @type {SVGElement} */
-            svgBackground_: SVGElement;
-    
-            /** @type {SVGElement} */
-            svgBlockCanvas_: SVGElement;
-    
-            /** @type {SVGElement} */
-            svgBubbleCanvas_: SVGElement;
-    
-            /**
-             * Dispose of this workspace.
-             * Unlink from all DOM elements to prevent memory leaks.
-             * @suppress {checkTypes}
-             */
-            dispose(): void;
-    
-            /**
-             * Add a trashcan.
-             * @package
-             */
-            addTrashcan(): void;
-    
-            /**
-             * Add zoom controls.
-             * @package
-             */
-            addZoomControls(): void;
-    
-            /** @type {Blockly.ZoomControls} */
-            zoomControls_: Blockly.ZoomControls;
-    
-            /**
-             * Add a flyout element in an element with the given tag name.
-             * @param {string|
-             * !Blockly.utils.Svg<!SVGSVGElement>|
-             * !Blockly.utils.Svg<!SVGGElement>} tagName What type of tag the
-             *     flyout belongs in.
-             * @return {!Element} The element containing the flyout DOM.
-             * @package
-             */
-            addFlyout(tagName: string|Blockly.utils.Svg<SVGSVGElement>|Blockly.utils.Svg<SVGGElement>): Element;
-    
-            /**
-             * Getter for the flyout associated with this workspace.  This flyout may be
-             * owned by either the toolbox or the workspace, depending on toolbox
-             * configuration.  It will be null if there is no flyout.
-             * @param {boolean=} opt_own Only return the workspace's own flyout if True.
-             * @return {Blockly.IFlyout} The flyout on this workspace.
-             * @package
-             */
-            getFlyout(opt_own?: boolean): Blockly.IFlyout;
-    
-            /**
-             * Getter for the toolbox associated with this workspace, if one exists.
-             * @return {Blockly.IToolbox} The toolbox on this workspace.
-             * @package
-             */
-            getToolbox(): Blockly.IToolbox;
-    
-            /**
-             * If enabled, resize the parts of the workspace that change when the workspace
-             * contents (e.g. block positions) change.  This will also scroll the
-             * workspace contents if needed.
-             * @package
-             */
-            resizeContents(): void;
-    
-            /**
-             * Resize and reposition all of the workspace chrome (toolbox,
-             * trash, scrollbars etc.)
-             * This should be called when something changes that
-             * requires recalculating dimensions and positions of the
-             * trash, zoom, toolbox, etc. (e.g. window resize).
-             */
-            resize(): void;
-    
-            /**
-             * Resizes and repositions workspace chrome if the page has a new
-             * scroll position.
-             * @package
-             */
-            updateScreenCalculationsIfScrolled(): void;
-    
-            /**
-             * Get the SVG element that forms the drawing surface.
-             * @return {!SVGGElement} SVG group element.
-             */
-            getCanvas(): SVGGElement;
-    
-            /**
-             * Get the SVG element that forms the bubble surface.
-             * @return {!SVGGElement} SVG group element.
-             */
-            getBubbleCanvas(): SVGGElement;
-    
-            /**
-             * Get the SVG element that contains this workspace.
-             * Note: We assume this is only called after the workspace has been injected
-             * into the DOM.
-             * @return {!SVGElement} SVG element.
-             */
-            getParentSvg(): SVGElement;
-    
-            /**
-             * Fires a viewport event if events are enabled and there is a change in
-             * viewport values.
-             * @package
-             */
-            maybeFireViewportChangeEvent(): void;
-    
-            /**
-             * Translate this workspace to new coordinates.
-             * @param {number} x Horizontal translation, in pixel units relative to the
-             *    top left of the Blockly div.
-             * @param {number} y Vertical translation, in pixel units relative to the
-             *    top left of the Blockly div.
-             */
-            translate(x: number, y: number): void;
-    
-            /**
-             * Called at the end of a workspace drag to take the contents
-             * out of the drag surface and put them back into the workspace SVG.
-             * Does nothing if the workspace drag surface is not enabled.
-             * @package
-             */
-            resetDragSurface(): void;
-    
-            /**
-             * Called at the beginning of a workspace drag to move contents of
-             * the workspace to the drag surface.
-             * Does nothing if the drag surface is not enabled.
-             * @package
-             */
-            setupDragSurface(): void;
-    
-            /**
-             * @return {Blockly.BlockDragSurfaceSvg} This workspace's block drag surface,
-             *     if one is in use.
-             * @package
-             */
-            getBlockDragSurface(): Blockly.BlockDragSurfaceSvg;
-    
-            /**
-             * Returns the horizontal offset of the workspace.
-             * Intended for LTR/RTL compatibility in XML.
-             * @return {number} Width.
-             */
-            getWidth(): number;
-    
-            /**
-             * Toggles the visibility of the workspace.
-             * Currently only intended for main workspace.
-             * @param {boolean} isVisible True if workspace should be visible.
-             */
-            setVisible(isVisible: boolean): void;
-    
-            /**
-             * Render all blocks in workspace.
-             */
-            render(): void;
-    
-            /**
-             * Highlight or unhighlight a block in the workspace.  Block highlighting is
-             * often used to visually mark blocks currently being executed.
-             * @param {?string} id ID of block to highlight/unhighlight,
-             *   or null for no block (used to unhighlight all blocks).
-             * @param {boolean=} opt_state If undefined, highlight specified block and
-             * automatically unhighlight all others.  If true or false, manually
-             * highlight/unhighlight the specified block.
-             */
-            highlightBlock(id: string, opt_state?: boolean): void;
-    
-            /**
-             * Paste the provided block onto the workspace.
-             * @param {!Element|!DocumentFragment} xmlBlock XML block element or an empty
-             *     DocumentFragment if the block was an insertion marker.
-             */
-            paste(xmlBlock: Element|DocumentFragment): void;
-    
-            /**
-             * Refresh the toolbox unless there's a drag in progress.
-             * @package
-             */
-            refreshToolboxSelection(): void;
-    
-            /**
-             * Rename a variable by updating its name in the variable map.  Update the
-             *     flyout to show the renamed variable immediately.
-             * @param {string} id ID of the variable to rename.
-             * @param {string} newName New variable name.
-             */
-            renameVariableById(id: string, newName: string): void;
-    
-            /**
-             * Delete a variable by the passed in ID.   Update the flyout to show
-             *     immediately that the variable is deleted.
-             * @param {string} id ID of variable to delete.
-             */
-            deleteVariableById(id: string): void;
-    
-            /**
-             * Create a new variable with the given name.  Update the flyout to show the
-             *     new variable immediately.
-             * @param {string} name The new variable's name.
-             * @param {?string=} opt_type The type of the variable like 'int' or 'string'.
-             *     Does not need to be unique. Field_variable can filter variables based on
-             *     their type. This will default to '' which is a specific type.
-             * @param {?string=} opt_id The unique ID of the variable. This will default to
-             *     a UUID.
-             * @return {!Blockly.VariableModel} The newly created variable.
-             */
-            createVariable(name: string, opt_type?: string, opt_id?: string): Blockly.VariableModel;
-    
-            /**
-             * Make a list of all the delete areas for this workspace.
-             */
-            recordDeleteAreas(): void;
-    
-            /**
-             * Is the mouse event over a delete area (toolbox or non-closing flyout)?
-             * @param {!Event} e Mouse move event.
-             * @return {?number} Null if not over a delete area, or an enum representing
-             *     which delete area the event is over.
-             */
-            isDeleteArea(e: Event): number;
-    
-            /**
-             * Start tracking a drag of an object on this workspace.
-             * @param {!Event} e Mouse down event.
-             * @param {!Blockly.utils.Coordinate} xy Starting location of object.
-             */
-            startDrag(e: Event, xy: Blockly.utils.Coordinate): void;
-    
-            /**
-             * Track a drag of an object on this workspace.
-             * @param {!Event} e Mouse move event.
-             * @return {!Blockly.utils.Coordinate} New location of object.
-             */
-            moveDrag(e: Event): Blockly.utils.Coordinate;
-    
-            /**
-             * Is the user currently dragging a block or scrolling the flyout/workspace?
-             * @return {boolean} True if currently dragging or scrolling.
-             */
-            isDragging(): boolean;
-    
-            /**
-             * Is this workspace draggable?
-             * @return {boolean} True if this workspace may be dragged.
-             */
-            isDraggable(): boolean;
-    
-            /**
-             * Should the workspace have bounded content? Used to tell if the
-             * workspace's content should be sized so that it can move (bounded) or not
-             * (exact sizing).
-             * @return {boolean} True if the workspace should be bounded, false otherwise.
-             * @package
-             */
-            isContentBounded(): boolean;
-    
-            /**
-             * Is this workspace movable?
-             *
-             * This means the user can reposition the X Y coordinates of the workspace
-             * through input. This can be through scrollbars, scroll wheel, dragging, or
-             * through zooming with the scroll wheel or pinch (since the zoom is centered on
-             * the mouse position). This does not include zooming with the zoom controls
-             * since the X Y coordinates are decided programmatically.
-             * @return {boolean} True if the workspace is movable, false otherwise.
-             */
-            isMovable(): boolean;
-    
-            /**
-             * Calculate the bounding box for the blocks on the workspace.
-             * Coordinate system: workspace coordinates.
-             *
-             * @return {!Blockly.utils.Rect} Contains the position and size of the
-             *   bounding box containing the blocks on the workspace.
-             */
-            getBlocksBoundingBox(): Blockly.utils.Rect;
-    
-            /**
-             * Clean up the workspace by ordering all the blocks in a column.
-             */
-            cleanUp(): void;
-    
-            /**
-             * Show the context menu for the workspace.
-             * @param {!Event} e Mouse event.
-             * @package
-             */
-            showContextMenu(e: Event): void;
-    
-            /**
-             * Modify the block tree on the existing toolbox.
-             * @param {?Blockly.utils.toolbox.ToolboxDefinition} toolboxDef
-             *    DOM tree of toolbox contents, string of toolbox contents, or JSON
-             *    representing toolbox definition.
-             */
-            updateToolbox(toolboxDef: Blockly.utils.toolbox.ToolboxDefinition): void;
-    
-            /**
-             * Mark this workspace as the currently focused main workspace.
-             */
-            markFocused(): void;
-    
-            /**
-             * Zooms the workspace in or out relative to/centered on the given (x, y)
-             * coordinate.
-             * @param {number} x X coordinate of center, in pixel units relative to the
-             *     top-left corner of the parentSVG.
-             * @param {number} y Y coordinate of center, in pixel units relative to the
-             *     top-left corner of the parentSVG.
-             * @param {number} amount Amount of zooming. The formula for the new scale
-             *     is newScale = currentScale * (scaleSpeed^amount). scaleSpeed is set in
-             *     the workspace options. Negative amount values zoom out, and positive
-             *     amount values zoom in.
-             */
-            zoom(x: number, y: number, amount: number): void;
-    
-            /**
-             * Zooming the blocks centered in the center of view with zooming in or out.
-             * @param {number} type Type of zooming (-1 zooming out and 1 zooming in).
-             */
-            zoomCenter(type: number): void;
-    
-            /**
-             * Zoom the blocks to fit in the workspace if possible.
-             */
-            zoomToFit(): void;
-    
-            /**
-             * Add a transition class to the block and bubble canvas, to animate any
-             * transform changes.
-             * @package
-             */
-            beginCanvasTransition(): void;
-    
-            /**
-             * Remove transition class from the block and bubble canvas.
-             * @package
-             */
-            endCanvasTransition(): void;
-    
-            /**
-             * Center the workspace.
-             */
-            scrollCenter(): void;
-    
-            /**
-             * Scroll the workspace to center on the given block.
-             * @param {?string} id ID of block center on.
-             * @public
-             */
-            centerOnBlock(id: string): void;
-    
-            /**
-             * Set the workspace's zoom factor.
-             * @param {number} newScale Zoom factor. Units: (pixels / workspaceUnit).
-             */
-            setScale(newScale: number): void;
-    
-            /**
-             * Get the workspace's zoom factor.  If the workspace has a parent, we call into
-             * the parent to get the workspace scale.
-             * @return {number} The workspace zoom factor. Units: (pixels / workspaceUnit).
-             */
-            getScale(): number;
-    
-            /**
-             * Scroll the workspace to a specified offset (in pixels), keeping in the
-             * workspace bounds. See comment on workspaceSvg.scrollX for more detail on
-             * the meaning of these values.
-             * @param {number} x Target X to scroll to.
-             * @param {number} y Target Y to scroll to.
-             * @package
-             */
-            scroll(x: number, y: number): void;
-    
-            /**
-             * Adds a block to the list of top blocks.
-             * @param {!Blockly.Block} block Block to add.
-             */
-            addTopBlock(block: Blockly.Block): void;
-    
-            /**
-             * Removes a block from the list of top blocks.
-             * @param {!Blockly.Block} block Block to remove.
-             */
-            removeTopBlock(block: Blockly.Block): void;
-    
-            /**
-             * Adds a comment to the list of top comments.
-             * @param {!Blockly.WorkspaceComment} comment comment to add.
-             */
-            addTopComment(comment: Blockly.WorkspaceComment): void;
-    
-            /**
-             * Removes a comment from the list of top comments.
-             * @param {!Blockly.WorkspaceComment} comment comment to remove.
-             */
-            removeTopComment(comment: Blockly.WorkspaceComment): void;
-    
-            /**
-             * Adds a bounded element to the list of top bounded elements.
-             * @param {!Blockly.IBoundedElement} element Bounded element to add.
-             */
-            addTopBoundedElement(element: Blockly.IBoundedElement): void;
-    
-            /**
-             * Removes a bounded element from the list of top bounded elements.
-             * @param {!Blockly.IBoundedElement} element Bounded element to remove.
-             */
-            removeTopBoundedElement(element: Blockly.IBoundedElement): void;
-    
-            /**
-             * Finds the top-level bounded elements and returns them.
-             * @return {!Array.<!Blockly.IBoundedElement>} The top-level bounded elements.
-             */
-            getTopBoundedElements(): Blockly.IBoundedElement[];
-    
-            /**
-             * Update whether this workspace has resizes enabled.
-             * If enabled, workspace will resize when appropriate.
-             * If disabled, workspace will not resize until re-enabled.
-             * Use to avoid resizing during a batch operation, for performance.
-             * @param {boolean} enabled Whether resizes should be enabled.
-             */
-            setResizesEnabled(enabled: boolean): void;
-    
-            /**
-             * Dispose of all blocks in workspace, with an optimization to prevent resizes.
-             */
-            clear(): void;
-    
-            /**
-             * Register a callback function associated with a given key, for clicks on
-             * buttons and labels in the flyout.
-             * For instance, a button specified by the XML
-             * <button text="create variable" callbackKey="CREATE_VARIABLE"></button>
-             * should be matched by a call to
-             * registerButtonCallback("CREATE_VARIABLE", yourCallbackFunction).
-             * @param {string} key The name to use to look up this function.
-             * @param {function(!Blockly.FlyoutButton)} func The function to call when the
-             *     given button is clicked.
-             */
-            registerButtonCallback(key: string, func: { (_0: Blockly.FlyoutButton): any /*missing*/ }): void;
-    
-            /**
-             * Get the callback function associated with a given key, for clicks on buttons
-             * and labels in the flyout.
-             * @param {string} key The name to use to look up the function.
-             * @return {?function(!Blockly.FlyoutButton)} The function corresponding to the
-             *     given key for this workspace; null if no callback is registered.
-             */
-            getButtonCallback(key: string): { (_0: Blockly.FlyoutButton): any /*missing*/ };
-    
-            /**
-             * Remove a callback for a click on a button in the flyout.
-             * @param {string} key The name associated with the callback function.
-             */
-            removeButtonCallback(key: string): void;
-    
-            /**
-             * Register a callback function associated with a given key, for populating
-             * custom toolbox categories in this workspace.  See the variable and procedure
-             * categories as an example.
-             * @param {string} key The name to use to look up this function.
-             * @param {function(!Blockly.Workspace):!Array.<!Element>} func The function to
-             *     call when the given toolbox category is opened.
-             */
-            registerToolboxCategoryCallback(key: string, func: { (_0: Blockly.Workspace): Element[] }): void;
-    
-            /**
-             * Get the callback function associated with a given key, for populating
-             * custom toolbox categories in this workspace.
-             * @param {string} key The name to use to look up the function.
-             * @return {?function(!Blockly.Workspace):!Array.<!Element>} The function
-             *     corresponding to the given key for this workspace, or null if no function
-             *     is registered.
-             */
-            getToolboxCategoryCallback(key: string): { (_0: Blockly.Workspace): Element[] };
-    
-            /**
-             * Remove a callback for a click on a custom category's name in the toolbox.
-             * @param {string} key The name associated with the callback function.
-             */
-            removeToolboxCategoryCallback(key: string): void;
-    
-            /**
-             * Look up the gesture that is tracking this touch stream on this workspace.
-             * May create a new gesture.
-             * @param {!Event} e Mouse event or touch event.
-             * @return {Blockly.TouchGesture} The gesture that is tracking this touch
-             *     stream, or null if no valid gesture exists.
-             * @package
-             */
-            getGesture(e: Event): Blockly.TouchGesture;
-    
-            /**
-             * Clear the reference to the current gesture.
-             * @package
-             */
-            clearGesture(): void;
-    
-            /**
-             * Cancel the current gesture, if one exists.
-             * @package
-             */
-            cancelCurrentGesture(): void;
-    
-            /**
-             * Get the audio manager for this workspace.
-             * @return {!Blockly.WorkspaceAudio} The audio manager for this workspace.
-             */
-            getAudioManager(): Blockly.WorkspaceAudio;
-    
-            /**
-             * Get the grid object for this workspace, or null if there is none.
-             * @return {Blockly.Grid} The grid object for this workspace.
-             * @package
-             */
-            getGrid(): Blockly.Grid;
-    } 
-    
-}
-
-
-declare module Blockly.Events {
-
-    class CommentBase extends CommentBase__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class CommentBase__Class extends Blockly.Events.Abstract__Class  { 
-    
-            /**
-             * Abstract class for a comment event.
-             * @param {!Blockly.WorkspaceComment=} opt_comment The comment this event
-             *     corresponds to.  Undefined for a blank event.
-             * @extends {Blockly.Events.Abstract}
-             * @constructor
-             */
-            constructor(opt_comment?: Blockly.WorkspaceComment);
-    
-            /**
-             * Whether or not an event is blank.
-             * @type {boolean}
-             */
-            isBlank: boolean;
-    
-            /**
-             * The ID of the comment this event pertains to.
-             * @type {string}
-             */
-            commentId: string;
-    
-            /**
-             * The workspace identifier for this event.
-             * @type {string}
-             */
-            workspaceId: string;
-    
-            /**
-             * The event group id for the group this event belongs to. Groups define
-             * events that should be treated as an single action from the user's
-             * perspective, and should be undone together.
-             * @type {string}
-             */
-            group: string;
-    
-            /**
-             * Sets whether the event should be added to the undo stack.
-             * @type {boolean}
-             */
-            recordUndo: boolean;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    } 
-    
-
-    class CommentChange extends CommentChange__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class CommentChange__Class extends Blockly.Events.CommentBase__Class  { 
-    
-            /**
-             * Class for a comment change event.
-             * @param {!Blockly.WorkspaceComment=} opt_comment The comment that is being
-             *     changed.  Undefined for a blank event.
-             * @param {string=} opt_oldContents Previous contents of the comment.
-             * @param {string=} opt_newContents New contents of the comment.
-             * @extends {Blockly.Events.CommentBase}
-             * @constructor
-             */
-            constructor(opt_comment?: Blockly.WorkspaceComment, opt_oldContents?: string, opt_newContents?: string);
-    
-            /**
-             * Type of this event.
-             * @type {string}
-             */
-            type: string;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    
-            /**
-             * Does this event record any change of state?
-             * @return {boolean} False if something changed.
-             */
-            isNull(): boolean;
-    
-            /**
-             * Run a change event.
-             * @param {boolean} forward True if run forward, false if run backward (undo).
-             */
-            run(forward: boolean): void;
-    } 
-    
-
-    class CommentCreate extends CommentCreate__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class CommentCreate__Class extends Blockly.Events.CommentBase__Class  { 
-    
-            /**
-             * Class for a comment creation event.
-             * @param {!Blockly.WorkspaceComment=} opt_comment The created comment.
-             *     Undefined for a blank event.
-             * @extends {Blockly.Events.CommentBase}
-             * @constructor
-             */
-            constructor(opt_comment?: Blockly.WorkspaceComment);
-    
-            /**
-             * Type of this event.
-             * @type {string}
-             */
-            type: string;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    
-            /**
-             * Run a creation event.
-             * @param {boolean} forward True if run forward, false if run backward (undo).
-             */
-            run(forward: boolean): void;
-    } 
-    
-
-    class CommentDelete extends CommentDelete__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class CommentDelete__Class extends Blockly.Events.CommentBase__Class  { 
-    
-            /**
-             * Class for a comment deletion event.
-             * @param {!Blockly.WorkspaceComment=} opt_comment The deleted comment.
-             *     Undefined for a blank event.
-             * @extends {Blockly.Events.CommentBase}
-             * @constructor
-             */
-            constructor(opt_comment?: Blockly.WorkspaceComment);
-    
-            /**
-             * Type of this event.
-             * @type {string}
-             */
-            type: string;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    
-            /**
-             * Run a creation event.
-             * @param {boolean} forward True if run forward, false if run backward (undo).
-             */
-            run(forward: boolean): void;
-    } 
-    
-
-    class CommentMove extends CommentMove__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class CommentMove__Class extends Blockly.Events.CommentBase__Class  { 
-    
-            /**
-             * Class for a comment move event.  Created before the move.
-             * @param {!Blockly.WorkspaceComment=} opt_comment The comment that is being
-             *     moved.  Undefined for a blank event.
-             * @extends {Blockly.Events.CommentBase}
-             * @constructor
-             */
-            constructor(opt_comment?: Blockly.WorkspaceComment);
-    
-            /**
-             * The comment that is being moved.  Will be cleared after recording the new
-             * location.
-             * @type {Blockly.WorkspaceComment}
-             */
-            comment_: Blockly.WorkspaceComment;
-    
-            /**
-             * The location before the move, in workspace coordinates.
-             * @type {!Blockly.utils.Coordinate}
-             */
-            oldCoordinate_: Blockly.utils.Coordinate;
-    
-            /**
-             * The location after the move, in workspace coordinates.
-             * @type {Blockly.utils.Coordinate}
-             */
-            newCoordinate_: Blockly.utils.Coordinate;
-    
-            /**
-             * Record the comment's new location.  Called after the move.  Can only be
-             * called once.
-             */
-            recordNew(): void;
-    
-            /**
-             * Type of this event.
-             * @type {string}
-             */
-            type: string;
-    
-            /**
-             * Override the location before the move.  Use this if you don't create the
-             * event until the end of the move, but you know the original location.
-             * @param {!Blockly.utils.Coordinate} xy The location before the move,
-             *     in workspace coordinates.
-             */
-            setOldCoordinate(xy: Blockly.utils.Coordinate): void;
-    
-            /**
-             * Encode the event as JSON.
-             * @return {!Object} JSON representation.
-             */
-            toJson(): Object;
-    
-            /**
-             * Decode the JSON event.
-             * @param {!Object} json JSON representation.
-             */
-            fromJson(json: Object): void;
-    
-            /**
-             * Does this event record any change of state?
-             * @return {boolean} False if something changed.
-             */
-            isNull(): boolean;
-    
-            /**
-             * Run a move event.
-             * @param {boolean} forward True if run forward, false if run backward (undo).
-             */
-            run(forward: boolean): void;
-    } 
-    
-
-    /**
-     * Helper function for Comment[Create|Delete]
-     * @param {!Blockly.Events.CommentCreate|!Blockly.Events.CommentDelete} event
-     *     The event to run.
-     * @param {boolean} create if True then Create, if False then Delete
-     */
-    function CommentCreateDeleteHelper(event: Blockly.Events.CommentCreate|Blockly.Events.CommentDelete, create: boolean): void;
-}
-
-
-declare module Blockly.Xml {
-
-    /**
-     * Encode a block tree as XML.
-     * @param {!Blockly.Workspace} workspace The workspace containing blocks.
-     * @param {boolean=} opt_noId True if the encoder should skip the block IDs.
-     * @return {!Element} XML DOM element.
-     */
-    function workspaceToDom(workspace: Blockly.Workspace, opt_noId?: boolean): Element;
-
-    /**
-     * Encode a list of variables as XML.
-     * @param {!Array.<!Blockly.VariableModel>} variableList List of all variable
-     *     models.
-     * @return {!Element} Tree of XML elements.
-     */
-    function variablesToDom(variableList: Blockly.VariableModel[]): Element;
-
-    /**
-     * Encode a block subtree as XML with XY coordinates.
-     * @param {!Blockly.Block} block The root block to encode.
-     * @param {boolean=} opt_noId True if the encoder should skip the block ID.
-     * @return {!Element|!DocumentFragment} Tree of XML elements or an empty document
-     *     fragment if the block was an insertion marker.
-     */
-    function blockToDomWithXY(block: Blockly.Block, opt_noId?: boolean): Element|DocumentFragment;
-
-    /**
-     * Encode a block subtree as XML.
-     * @param {!Blockly.Block} block The root block to encode.
-     * @param {boolean=} opt_noId True if the encoder should skip the block ID.
-     * @return {!Element|!DocumentFragment} Tree of XML elements or an empty document
-     *     fragment if the block was an insertion marker.
-     */
-    function blockToDom(block: Blockly.Block, opt_noId?: boolean): Element|DocumentFragment;
-
-    /**
-     * Converts a DOM structure into plain text.
-     * Currently the text format is fairly ugly: all one line with no whitespace,
-     * unless the DOM itself has whitespace built-in.
-     * @param {!Node} dom A tree of XML nodes.
-     * @return {string} Text representation.
-     */
-    function domToText(dom: Node): string;
-
-    /**
-     * Converts a DOM structure into properly indented text.
-     * @param {!Node} dom A tree of XML elements.
-     * @return {string} Text representation.
-     */
-    function domToPrettyText(dom: Node): string;
-
-    /**
-     * Converts an XML string into a DOM structure.
-     * @param {string} text An XML string.
-     * @return {!Element} A DOM object representing the singular child of the
-     *     document element.
-     * @throws if the text doesn't parse.
-     */
-    function textToDom(text: string): Element;
-
-    /**
-     * Clear the given workspace then decode an XML DOM and
-     * create blocks on the workspace.
-     * @param {!Element} xml XML DOM.
-     * @param {!Blockly.Workspace} workspace The workspace.
-     * @return {Array.<string>} An array containing new block ids.
-     */
-    function clearWorkspaceAndLoadFromXml(xml: Element, workspace: Blockly.Workspace): string[];
-
-    /**
-     * Decode an XML DOM and create blocks on the workspace.
-     * @param {!Element} xml XML DOM.
-     * @param {!Blockly.Workspace} workspace The workspace.
-     * @return {!Array.<string>} An array containing new block IDs.
-     * @suppress {strictModuleDepCheck} Suppress module check while workspace
-     *     comments are not bundled in.
-     */
-    function domToWorkspace(xml: Element, workspace: Blockly.Workspace): string[];
-
-    /**
-     * Decode an XML DOM and create blocks on the workspace. Position the new
-     * blocks immediately below prior blocks, aligned by their starting edge.
-     * @param {!Element} xml The XML DOM.
-     * @param {!Blockly.Workspace} workspace The workspace to add to.
-     * @return {Array.<string>} An array containing new block IDs.
-     */
-    function appendDomToWorkspace(xml: Element, workspace: Blockly.Workspace): string[];
-
-    /**
-     * Decode an XML block tag and create a block (and possibly sub blocks) on the
-     * workspace.
-     * @param {!Element} xmlBlock XML block element.
-     * @param {!Blockly.Workspace} workspace The workspace.
-     * @return {!Blockly.Block} The root block created.
-     */
-    function domToBlock(xmlBlock: Element, workspace: Blockly.Workspace): Blockly.Block;
-
-    /**
-     * Decode an XML list of variables and add the variables to the workspace.
-     * @param {!Element} xmlVariables List of XML variable elements.
-     * @param {!Blockly.Workspace} workspace The workspace to which the variable
-     *     should be added.
-     */
-    function domToVariables(xmlVariables: Element, workspace: Blockly.Workspace): void;
-
-    /**
-     * Remove any 'next' block (statements in a stack).
-     * @param {!Element|!DocumentFragment} xmlBlock XML block element or an empty
-     *     DocumentFragment if the block was an insertion marker.
-     */
-    function deleteNext(xmlBlock: Element|DocumentFragment): void;
-}
-
-
-declare module Blockly {
-
-    class ZoomControls extends ZoomControls__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class ZoomControls__Class  { 
-    
-            /**
-             * Class for a zoom controls.
-             * @param {!Blockly.WorkspaceSvg} workspace The workspace to sit in.
-             * @constructor
-             */
-            constructor(workspace: Blockly.WorkspaceSvg);
-    
-            /**
-             * Create the zoom controls.
-             * @return {!SVGElement} The zoom controls SVG group.
-             */
-            createDom(): SVGElement;
-    
-            /**
-             * Initialize the zoom controls.
-             * @param {number} verticalSpacing Vertical distances from workspace edge to the
-             *    same edge of the controls.
-             * @return {number} Vertical distance from workspace edge to the opposite
-             *    edge of the controls.
-             */
-            init(verticalSpacing: number): number;
-    
-            /**
-             * Dispose of this zoom controls.
-             * Unlink from all DOM elements to prevent memory leaks.
-             */
-            dispose(): void;
-    
-            /**
-             * Position the zoom controls.
-             * It is positioned in the opposite corner to the corner the
-             * categories/toolbox starts at.
-             */
-            position(): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class Component extends Component__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Component__Class  { 
-    
-            /**
-             * Default implementation of a UI component.
-             * Similar to Closure's goog.ui.Component.
-             *
-             * @constructor
-             */
-            constructor();
-    
-            /**
-             * Whether the component is rendered right-to-left.
-             * @type {boolean}
-             * @protected
-             */
-            rightToLeft_: boolean;
-    
-            /**
-             * Gets the unique ID for the instance of this component.  If the instance
-             * doesn't already have an ID, generates one on the fly.
-             * @return {string} Unique component ID.
-             * @package
-             */
-            getId(): string;
-    
-            /**
-             * Gets the component's element.
-             * @return {Element} The element for the component.
-             * @package
-             */
-            getElement(): Element;
-    
-            /**
-             * Sets the component's root element to the given element.  Considered
-             * protected and final.
-             *
-             * This should generally only be called during createDom. Setting the element
-             * does not actually change which element is rendered, only the element that is
-             * associated with this UI component.
-             *
-             * This should only be used by subclasses and its associated renderers.
-             *
-             * @param {Element} element Root element for the component.
-             * @protected
-             */
-            setElementInternal(element: Element): void;
-    
-            /**
-             * Sets the parent of this component to use for event bubbling.  Throws an error
-             * if the component already has a parent or if an attempt is made to add a
-             * component to itself as a child.
-             * @param {Blockly.Component} parent The parent component.
-             * @protected
-             */
-            setParent(parent: Blockly.Component): void;
-    
-            /**
-             * Returns the component's parent, if any.
-             * @return {?Blockly.Component} The parent component.
-             * @protected
-             */
-            getParent(): Blockly.Component;
-    
-            /**
-             * Determines whether the component has been added to the document.
-             * @return {boolean} TRUE if rendered. Otherwise, FALSE.
-             * @protected
-             */
-            isInDocument(): boolean;
-    
-            /**
-             * Creates the initial DOM representation for the component.
-             * @protected
-             */
-            createDom(): void;
-    
-            /**
-             * Renders the component.  If a parent element is supplied, the component's
-             * element will be appended to it.  If there is no optional parent element and
-             * the element doesn't have a parentNode then it will be appended to the
-             * document body.
-             *
-             * If this component has a parent component, and the parent component is
-             * not in the document already, then this will not call `enterDocument`
-             * on this component.
-             *
-             * Throws an Error if the component is already rendered.
-             *
-             * @param {Element=} opt_parentElement Optional parent element to render the
-             *    component into.
-             * @package
-             */
-            render(opt_parentElement?: Element): void;
-    
-            /**
-             * Called when the component's element is known to be in the document. Anything
-             * using document.getElementById etc. should be done at this stage.
-             *
-             * If the component contains child components, this call is propagated to its
-             * children.
-             * @protected
-             */
-            enterDocument(): void;
-    
-            /**
-             * Called by dispose to clean up the elements and listeners created by a
-             * component, or by a parent component/application who has removed the
-             * component from the document but wants to reuse it later.
-             *
-             * If the component contains child components, this call is propagated to its
-             * children.
-             *
-             * It should be possible for the component to be rendered again once this method
-             * has been called.
-             * @protected
-             */
-            exitDocument(): void;
-    
-            /**
-             * Disposes of the object. If the object hasn't already been disposed of, calls
-             * {@link #disposeInternal}.
-             * @package
-             */
-            dispose(): void;
-    
-            /**
-             * Disposes of the component.  Calls `exitDocument`, which is expected to
-             * remove event handlers and clean up the component.  Propagates the call to
-             * the component's children, if any. Removes the component's DOM from the
-             * document.
-             * @protected
-             */
-            disposeInternal(): void;
-    
-            /**
-             * Adds the specified component as the last child of this component.  See
-             * {@link Blockly.Component#addChildAt} for detailed semantics.
-             *
-             * @see Blockly.Component#addChildAt
-             * @param {Blockly.Component} child The new child component.
-             * @param {boolean=} opt_render If true, the child component will be rendered
-             *    into the parent.
-             * @package
-             */
-            addChild(child: Blockly.Component, opt_render?: boolean): void;
-    
-            /**
-             * Adds the specified component as a child of this component at the given
-             * 0-based index.
-             *
-             * Both `addChild` and `addChildAt` assume the following contract
-             * between parent and child components:
-             *  <ul>
-             *    <li>the child component's element must be a descendant of the parent
-             *        component's element, and
-             *    <li>the DOM state of the child component must be consistent with the DOM
-             *        state of the parent component (see `isInDocument`) in the
-             *        steady state -- the exception is to addChildAt(child, i, false) and
-             *        then immediately decorate/render the child.
-             *  </ul>
-             *
-             * In particular, `parent.addChild(child)` will throw an error if the
-             * child component is already in the document, but the parent isn't.
-             *
-             * Clients of this API may call `addChild` and `addChildAt` with
-             * `opt_render` set to true.  If `opt_render` is true, calling these
-             * methods will automatically render the child component's element into the
-             * parent component's element. If the parent does not yet have an element, then
-             * `createDom` will automatically be invoked on the parent before
-             * rendering the child.
-             *
-             * Invoking {@code parent.addChild(child, true)} will throw an error if the
-             * child component is already in the document, regardless of the parent's DOM
-             * state.
-             *
-             * If `opt_render` is true and the parent component is not already
-             * in the document, `enterDocument` will not be called on this component
-             * at this point.
-             *
-             * Finally, this method also throws an error if the new child already has a
-             * different parent, or the given index is out of bounds.
-             *
-             * @see Blockly.Component#addChild
-             * @param {Blockly.Component} child The new child component.
-             * @param {number} index 0-based index at which the new child component is to be
-             *    added; must be between 0 and the current child count (inclusive).
-             * @param {boolean=} opt_render If true, the child component will be rendered
-             *    into the parent.
-             * @protected
-             */
-            addChildAt(child: Blockly.Component, index: number, opt_render?: boolean): void;
-    
-            /**
-             * Returns the DOM element into which child components are to be rendered,
-             * or null if the component itself hasn't been rendered yet.  This default
-             * implementation returns the component's root element.  Subclasses with
-             * complex DOM structures must override this method.
-             * @return {Element} Element to contain child elements (null if none).
-             * @protected
-             */
-            getContentElement(): Element;
-    
-            /**
-             * Returns true if the component has children.
-             * @return {boolean} True if the component has children.
-             * @protected
-             */
-            hasChildren(): boolean;
-    
-            /**
-             * Returns the number of children of this component.
-             * @return {number} The number of children.
-             * @protected
-             */
-            getChildCount(): number;
-    
-            /**
-             * Returns the child with the given ID, or null if no such child exists.
-             * @param {string} id Child component ID.
-             * @return {?Blockly.Component} The child with the given ID; null if none.
-             * @protected
-             */
-            getChild(id: string): Blockly.Component;
-    
-            /**
-             * Returns the child at the given index, or null if the index is out of bounds.
-             * @param {number} index 0-based index.
-             * @return {?Blockly.Component} The child at the given index; null if none.
-             * @protected
-             */
-            getChildAt(index: number): Blockly.Component;
-    
-            /**
-             * Calls the given function on each of this component's children in order.  If
-             * `opt_obj` is provided, it will be used as the 'this' object in the
-             * function when called.  The function should take two arguments:  the child
-             * component and its 0-based index.  The return value is ignored.
-             * @param {function(this:T,?,number):?} f The function to call for every
-             * child component; should take 2 arguments (the child and its index).
-             * @param {T=} opt_obj Used as the 'this' object in f when called.
-             * @template T
-             * @protected
-             */
-            forEachChild<T>(f: { (_0: any, _1: number): any }, opt_obj?: T): void;
-    } 
-    
-}
-
-declare module Blockly.Component {
-
-    /**
-     * The default right to left value.
-     * @type {boolean}
-     * @package
-     */
-    var defaultRightToLeft: boolean;
-
-    /**
-     * Errors thrown by the component.
-     * @enum {string}
-     */
-    enum Error { ALREADY_RENDERED, PARENT_UNABLE_TO_BE_SET, CHILD_INDEX_OUT_OF_BOUNDS, ABSTRACT_METHOD } 
-}
-
-
-declare module Blockly {
-
-    class Action extends Action__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Action__Class  { 
-    
-            /**
-             * Class for a single action.
-             * An action describes user intent. (ex go to next or go to previous)
-             * @param {string} name The name of the action.
-             * @param {string} desc The description of the action.
-             * @constructor
-             */
-            constructor(name: string, desc: string);
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class ASTNode extends ASTNode__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class ASTNode__Class  { 
-    
-            /**
-             * Class for an AST node.
-             * It is recommended that you use one of the createNode methods instead of
-             * creating a node directly.
-             * @param {string} type The type of the location.
-             *     Must be in Blockly.ASTNode.types.
-             * @param {!Blockly.IASTNodeLocation} location The position in the AST.
-             * @param {!Blockly.ASTNode.Params=} opt_params Optional dictionary of options.
-             * @constructor
-             */
-            constructor(type: string, location: Blockly.IASTNodeLocation, opt_params?: Blockly.ASTNode.Params);
-    
-            /**
-             * Gets the value pointed to by this node.
-             * It is the callers responsibility to check the node type to figure out what
-             * type of object they get back from this.
-             * @return {!Blockly.IASTNodeLocation} The current field, connection, workspace, or
-             *     block the cursor is on.
-             */
-            getLocation(): Blockly.IASTNodeLocation;
-    
-            /**
-             * The type of the current location.
-             * One of Blockly.ASTNode.types
-             * @return {string} The type of the location.
-             */
-            getType(): string;
-    
-            /**
-             * The coordinate on the workspace.
-             * @return {Blockly.utils.Coordinate} The workspace coordinate or null if the
-             *     location is not a workspace.
-             */
-            getWsCoordinate(): Blockly.utils.Coordinate;
-    
-            /**
-             * Whether the node points to a connection.
-             * @return {boolean} [description]
-             * @package
-             */
-            isConnection(): boolean;
-    
-            /**
-             * Finds the source block of the location of this node.
-             * @return {Blockly.Block} The source block of the location, or null if the node
-             * is of type workspace.
-             */
-            getSourceBlock(): Blockly.Block;
-    
-            /**
-             * Find the element to the right of the current element in the AST.
-             * @return {Blockly.ASTNode} An AST node that wraps the next field, connection,
-             *     block, or workspace. Or null if there is no node to the right.
-             */
-            next(): Blockly.ASTNode;
-    
-            /**
-             * Find the element one level below and all the way to the left of the current
-             * location.
-             * @return {Blockly.ASTNode} An AST node that wraps the next field, connection,
-             * workspace, or block. Or null if there is nothing below this node.
-             */
-            in(): Blockly.ASTNode;
-    
-            /**
-             * Find the element to the left of the current element in the AST.
-             * @return {Blockly.ASTNode} An AST node that wraps the previous field,
-             * connection, workspace or block. Or null if no node exists to the left.
-             * null.
-             */
-            prev(): Blockly.ASTNode;
-    
-            /**
-             * Find the next element that is one position above and all the way to the left
-             * of the current location.
-             * @return {Blockly.ASTNode} An AST node that wraps the next field, connection,
-             *     workspace or block. Or null if we are at the workspace level.
-             */
-            out(): Blockly.ASTNode;
-    } 
-    
-}
-
-declare module Blockly.ASTNode {
-
-    /**
-     * @typedef {{
-     *     wsCoordinate: Blockly.utils.Coordinate
-     * }}
-     */
-    interface Params {
-        wsCoordinate: Blockly.utils.Coordinate
-    }
-
-    /**
-     * Object holding different types for an AST node.
-     * @enum {string}
-     */
-    enum types { FIELD, BLOCK, INPUT, OUTPUT, NEXT, PREVIOUS, STACK, WORKSPACE } 
-
-    /**
-     * True to navigate to all fields. False to only navigate to clickable fields.
-     * @type {boolean}
-     */
-    var NAVIGATE_ALL_FIELDS: boolean;
-
-    /**
-     * Create an AST node pointing to a field.
-     * @param {Blockly.Field} field The location of the AST node.
-     * @return {Blockly.ASTNode} An AST node pointing to a field.
-     */
-    function createFieldNode(field: Blockly.Field): Blockly.ASTNode;
-
-    /**
-     * Creates an AST node pointing to a connection. If the connection has a parent
-     * input then create an AST node of type input that will hold the connection.
-     * @param {Blockly.Connection} connection This is the connection the node will
-     *     point to.
-     * @return {Blockly.ASTNode} An AST node pointing to a connection.
-     */
-    function createConnectionNode(connection: Blockly.Connection): Blockly.ASTNode;
-
-    /**
-     * Creates an AST node pointing to an input. Stores the input connection as the
-     *     location.
-     * @param {Blockly.Input} input The input used to create an AST node.
-     * @return {Blockly.ASTNode} An AST node pointing to a input.
-     */
-    function createInputNode(input: Blockly.Input): Blockly.ASTNode;
-
-    /**
-     * Creates an AST node pointing to a block.
-     * @param {Blockly.Block} block The block used to create an AST node.
-     * @return {Blockly.ASTNode} An AST node pointing to a block.
-     */
-    function createBlockNode(block: Blockly.Block): Blockly.ASTNode;
-
-    /**
-     * Create an AST node of type stack. A stack, represented by its top block, is
-     *     the set of all blocks connected to a top block, including the top block.
-     * @param {Blockly.Block} topBlock A top block has no parent and can be found
-     *     in the list returned by workspace.getTopBlocks().
-     * @return {Blockly.ASTNode} An AST node of type stack that points to the top
-     *     block on the stack.
-     */
-    function createStackNode(topBlock: Blockly.Block): Blockly.ASTNode;
-
-    /**
-     * Creates an AST node pointing to a workspace.
-     * @param {!Blockly.Workspace} workspace The workspace that we are on.
-     * @param {Blockly.utils.Coordinate} wsCoordinate The position on the workspace
-     *     for this node.
-     * @return {Blockly.ASTNode} An AST node pointing to a workspace and a position
-     *     on the workspace.
-     */
-    function createWorkspaceNode(workspace: Blockly.Workspace, wsCoordinate: Blockly.utils.Coordinate): Blockly.ASTNode;
-
-    /**
-     * Creates an AST node for the top position on a block.
-     * This is either an output connection, previous connection, or block.
-     * @param {!Blockly.Block} block The block to find the top most AST node on.
-     * @return {Blockly.ASTNode} The AST node holding the top most position on the
-     *     block.
-     */
-    function createTopNode(block: Blockly.Block): Blockly.ASTNode;
-}
-
-
-declare module Blockly {
-
-    class BasicCursor extends BasicCursor__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class BasicCursor__Class extends Blockly.Cursor__Class  { 
-    
-            /**
-             * Class for a basic cursor.
-             * This will allow the user to get to all nodes in the AST by hitting next or
-             * previous.
-             * @constructor
-             * @extends {Blockly.Cursor}
-             */
-            constructor();
-    
-            /**
-             * Uses pre order traversal to navigate the Blockly AST. This will allow
-             * a user to easily navigate the entire Blockly AST without having to go in
-             * and out levels on the tree.
-             * @param {Blockly.ASTNode} node The current position in the AST.
-             * @param {!function(Blockly.ASTNode) : boolean} isValid A function true/false
-             *     depending on whether the given node should be traversed.
-             * @return {Blockly.ASTNode} The next node in the traversal.
-             * @protected
-             */
-            getNextNode_(node: Blockly.ASTNode, isValid: { (_0: Blockly.ASTNode): boolean }): Blockly.ASTNode;
-    
-            /**
-             * Reverses the pre order traversal in order to find the previous node. This will
-             * allow a user to easily navigate the entire Blockly AST without having to go in
-             * and out levels on the tree.
-             * @param {Blockly.ASTNode} node The current position in the AST.
-             * @param {!function(Blockly.ASTNode) : boolean} isValid A function true/false
-             *     depending on whether the given node should be traversed.
-             * @return {Blockly.ASTNode} The previous node in the traversal or null if no
-             *     previous node exists.
-             * @protected
-             */
-            getPreviousNode_(node: Blockly.ASTNode, isValid: { (_0: Blockly.ASTNode): boolean }): Blockly.ASTNode;
-    
-            /**
-             * Decides what nodes to traverse and which ones to skip. Currently, it
-             * skips output, stack and workspace nodes.
-             * @param {Blockly.ASTNode} node The AST node to check whether it is valid.
-             * @return {boolean} True if the node should be visited, false otherwise.
-             * @protected
-             */
-            validNode_(node: Blockly.ASTNode): boolean;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class Cursor extends Cursor__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Cursor__Class extends Blockly.Marker__Class implements Blockly.IBlocklyActionable  { 
-    
-            /**
-             * Class for a cursor.
-             * A cursor controls how a user navigates the Blockly AST.
-             * @constructor
-             * @extends {Blockly.Marker}
-             * @implements {Blockly.IBlocklyActionable}
-             */
-            constructor();
-    
-            /**
-             * Find the next connection, field, or block.
-             * @return {Blockly.ASTNode} The next element, or null if the current node is
-             *     not set or there is no next value.
-             * @protected
-             */
-            next(): Blockly.ASTNode;
-    
-            /**
-             * Find the in connection or field.
-             * @return {Blockly.ASTNode} The in element, or null if the current node is
-             *     not set or there is no in value.
-             * @protected
-             */
-            in(): Blockly.ASTNode;
-    
-            /**
-             * Find the previous connection, field, or block.
-             * @return {Blockly.ASTNode} The previous element, or null if the current node
-             *     is not set or there is no previous value.
-             * @protected
-             */
-            prev(): Blockly.ASTNode;
-    
-            /**
-             * Find the out connection, field, or block.
-             * @return {Blockly.ASTNode} The out element, or null if the current node is
-             *     not set or there is no out value.
-             * @protected
-             */
-            out(): Blockly.ASTNode;
-    
-            /**
-             * Handles the given action.
-             * This is only triggered when keyboard navigation is enabled.
-             * @param {!Blockly.Action} action The action to be handled.
-             * @return {boolean} True if the action has been handled, false otherwise.
-             */
-            onBlocklyAction(action: Blockly.Action): boolean;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class FlyoutCursor extends FlyoutCursor__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class FlyoutCursor__Class extends Blockly.Cursor__Class  { 
-    
-            /**
-             * Class for a flyout cursor.
-             * This controls how a user navigates blocks in the flyout.
-             * @constructor
-             * @extends {Blockly.Cursor}
-             */
-            constructor();
-    } 
-    
-}
-
-
-declare module Blockly.user.keyMap {
-
-    /**
-     * Object holding valid modifiers.
-     * @enum {string}
-     */
-    enum modifierKeys { SHIFT, CONTROL, ALT, META } 
-
-    /**
-     * Update the key map to contain the new action.
-     * @param {string} keyCode The key code serialized by the serializeKeyEvent.
-     * @param {!Blockly.Action} action The action to be executed when the keys
-     *     corresponding to the serialized key code is pressed.
-     */
-    function setActionForKey(keyCode: string, action: Blockly.Action): void;
-
-    /**
-     * Creates a new key map.
-     * @param {!Object<string, Blockly.Action>} keyMap The object holding the key
-     *     to action mapping.
-     */
-    function setKeyMap(keyMap: { [key: string]: Blockly.Action }): void;
-
-    /**
-     * Gets the current key map.
-     * @return {Object<string,Blockly.Action>} The object holding the key to
-     *     action mapping.
-     */
-    function getKeyMap(): { [key: string]: Blockly.Action };
-
-    /**
-     * Get the action by the serialized key code.
-     * @param {string} keyCode The serialized key code.
-     * @return {Blockly.Action|undefined} The action holding the function to
-     *     call when the given keyCode is used or undefined if no action exists.
-     */
-    function getActionByKeyCode(keyCode: string): Blockly.Action|any /*undefined*/;
-
-    /**
-     * Get the serialized key that corresponds to the action.
-     * @param {!Blockly.Action} action The action for which we want to get
-     *     the key.
-     * @return {?string} The serialized key or null if the action does not have
-     *     a key mapping.
-     */
-    function getKeyByAction(action: Blockly.Action): string;
-
-    /**
-     * Serialize the key event.
-     * @param {!KeyboardEvent} e A key up event holding the key code.
-     * @return {string} A string containing the serialized key event.
-     * @package
-     */
-    function serializeKeyEvent(e: KeyboardEvent): string;
-
-    /**
-     * Create the serialized key code that will be used in the key map.
-     * @param {number} keyCode Number code representing the key.
-     * @param {!Array.<string>} modifiers List of modifiers to be used with the key.
-     *     All valid modifiers can be found in the Blockly.user.keyMap.modifierKeys.
-     * @return {string} The serialized key code for the given modifiers and key.
-     */
-    function createSerializedKey(keyCode: number, modifiers: string[]): string;
-
-    /**
-     * Creates the default key map.
-     * @return {!Object<string,Blockly.Action>} An object holding the default key
-     *     to action mapping.
-     */
-    function createDefaultKeyMap(): { [key: string]: Blockly.Action };
-}
-
-
-declare module Blockly {
-
-    class Marker extends Marker__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Marker__Class  { 
-    
-            /**
-             * Class for a marker.
-             * This is used in keyboard navigation to save a location in the Blockly AST.
-             * @constructor
-             */
-            constructor();
-    
-            /**
-             * The colour of the marker.
-             * @type {?string}
-             */
-            colour: string;
-    
-            /**
-             * The type of the marker.
-             * @type {string}
-             */
-            type: string;
-    
-            /**
-             * Sets the object in charge of drawing the marker.
-             * @param {Blockly.blockRendering.MarkerSvg} drawer The object in charge of
-             *     drawing the marker.
-             */
-            setDrawer(drawer: Blockly.blockRendering.MarkerSvg): void;
-    
-            /**
-             * Get the current drawer for the marker.
-             * @return {Blockly.blockRendering.MarkerSvg} The object in charge of drawing
-             *     the marker.
-             */
-            getDrawer(): Blockly.blockRendering.MarkerSvg;
-    
-            /**
-             * Gets the current location of the marker.
-             * @return {Blockly.ASTNode} The current field, connection, or block the marker
-             *     is on.
-             */
-            getCurNode(): Blockly.ASTNode;
-    
-            /**
-             * Set the location of the marker and call the update method.
-             * Setting isStack to true will only work if the newLocation is the top most
-             * output or previous connection on a stack.
-             * @param {Blockly.ASTNode} newNode The new location of the marker.
-             */
-            setCurNode(newNode: Blockly.ASTNode): void;
-    
-            /**
-             * Redraw the current marker.
-             * @package
-             */
-            draw(): void;
-    
-            /**
-             * Hide the marker SVG.
-             */
-            hide(): void;
-    
-            /**
-             * Dispose of this marker.
-             */
-            dispose(): void;
-    } 
-    
-}
-
-
-declare module Blockly.navigation {
-
-    /**
-     * A function to call to give feedback to the user about logs, warnings, and
-     * errors.  You can override this to customize feedback (e.g. warning sounds,
-     * reading out the warning text, etc).
-     * Null by default.
-     * The first argument is one of 'log', 'warn', and 'error'.
-     * The second argument is the message.
-     * @type {?function(string, string)}
-     * @public
-     */
-    var loggingCallback: { (_0: string, _1: string): any /*missing*/ };
-
-    /**
-     * State indicating focus is currently on the flyout.
-     * @type {number}
-     * @const
-     */
-    var STATE_FLYOUT: number;
-
-    /**
-     * State indicating focus is currently on the workspace.
-     * @type {number}
-     * @const
-     */
-    var STATE_WS: number;
-
-    /**
-     * State indicating focus is currently on the toolbox.
-     * @type {number}
-     * @const
-     */
-    var STATE_TOOLBOX: number;
-
-    /**
-     * The distance to move the cursor on the workspace.
-     * @type {number}
-     * @const
-     */
-    var WS_MOVE_DISTANCE: number;
-
-    /**
-     * Object holding default action names.
-     * @enum {string}
-     */
-    enum actionNames { PREVIOUS, NEXT, IN, OUT, INSERT, MARK, DISCONNECT, TOOLBOX, EXIT, TOGGLE_KEYBOARD_NAV, MOVE_WS_CURSOR_UP, MOVE_WS_CURSOR_DOWN, MOVE_WS_CURSOR_LEFT, MOVE_WS_CURSOR_RIGHT } 
-
-    /**
-     * The name of the marker reserved for internal use.
-     * @type {string}
-     * @const
-     */
-    var MARKER_NAME: string;
-
-    /**
-     * Get the local marker.
-     * @return {Blockly.Marker} The local marker for the main workspace.
-     */
-    function getMarker(): Blockly.Marker;
-
-    /**
-     * Get the workspace that is being navigated.
-     * @return {!Blockly.WorkspaceSvg} The workspace being navigated.
-     */
-    function getNavigationWorkspace(): Blockly.WorkspaceSvg;
-
-    /**
-     * If there is a marked connection try connecting the block from the flyout to
-     * that connection. If no connection has been marked then inserting will place
-     * it on the workspace.
-     */
-    function insertFromFlyout(): void;
-
-    /**
-     * Tries to connect the given block to the destination connection, making an
-     * intelligent guess about which connection to use to on the moving block.
-     * @param {!Blockly.BlockSvg} block The block to move.
-     * @param {!Blockly.RenderedConnection} destConnection The connection to connect
-     *     to.
-     * @return {boolean} Whether the connection was successful.
-     */
-    function insertBlock(block: Blockly.BlockSvg, destConnection: Blockly.RenderedConnection): boolean;
-
-    /**
-     * Set the current navigation state.
-     * @param {number} newState The new navigation state.
-     * @package
-     */
-    function setState(newState: number): void;
-
-    /**
-     * Before a block is deleted move the cursor to the appropriate position.
-     * @param {!Blockly.BlockSvg} deletedBlock The block that is being deleted.
-     */
-    function moveCursorOnBlockDelete(deletedBlock: Blockly.BlockSvg): void;
-
-    /**
-     * When a block that the cursor is on is mutated move the cursor to the block
-     * level.
-     * @param {!Blockly.BlockSvg} mutatedBlock The block that is being mutated.
-     * @package
-     */
-    function moveCursorOnBlockMutation(mutatedBlock: Blockly.BlockSvg): void;
-
-    /**
-     * Enable accessibility mode.
-     */
-    function enableKeyboardAccessibility(): void;
-
-    /**
-     * Disable accessibility mode.
-     */
-    function disableKeyboardAccessibility(): void;
-
-    /**
-     * Handler for all the keyboard navigation events.
-     * @param {!KeyboardEvent} e The keyboard event.
-     * @return {boolean} True if the key was handled false otherwise.
-     */
-    function onKeyPress(e: KeyboardEvent): boolean;
-
-    /**
-     * Decides which actions to handle depending on keyboard navigation and readonly
-     * states.
-     * @param {!Blockly.Action} action The current action.
-     * @return {boolean} True if the action has been handled, false otherwise.
-     */
-    function onBlocklyAction(action: Blockly.Action): boolean;
-
-    /**
-     * The previous action.
-     * @type {!Blockly.Action}
-     */
-    var ACTION_PREVIOUS: Blockly.Action;
-
-    /**
-     * The out action.
-     * @type {!Blockly.Action}
-     */
-    var ACTION_OUT: Blockly.Action;
-
-    /**
-     * The next action.
-     * @type {!Blockly.Action}
-     */
-    var ACTION_NEXT: Blockly.Action;
-
-    /**
-     * The in action.
-     * @type {!Blockly.Action}
-     */
-    var ACTION_IN: Blockly.Action;
-
-    /**
-     * The action to try to insert a block.
-     * @type {!Blockly.Action}
-     */
-    var ACTION_INSERT: Blockly.Action;
-
-    /**
-     * The action to mark a certain location.
-     * @type {!Blockly.Action}
-     */
-    var ACTION_MARK: Blockly.Action;
-
-    /**
-     * The action to disconnect a block.
-     * @type {!Blockly.Action}
-     */
-    var ACTION_DISCONNECT: Blockly.Action;
-
-    /**
-     * The action to open the toolbox.
-     * @type {!Blockly.Action}
-     */
-    var ACTION_TOOLBOX: Blockly.Action;
-
-    /**
-     * The action to exit the toolbox or flyout.
-     * @type {!Blockly.Action}
-     */
-    var ACTION_EXIT: Blockly.Action;
-
-    /**
-     * The action to toggle keyboard navigation mode on and off.
-     * @type {!Blockly.Action}
-     */
-    var ACTION_TOGGLE_KEYBOARD_NAV: Blockly.Action;
-
-    /**
-     * The action to move the cursor to the left on a workspace.
-     * @type {!Blockly.Action}
-     */
-    var ACTION_MOVE_WS_CURSOR_LEFT: Blockly.Action;
-
-    /**
-     * The action to move the cursor to the right on a workspace.
-     * @type {!Blockly.Action}
-     */
-    var ACTION_MOVE_WS_CURSOR_RIGHT: Blockly.Action;
-
-    /**
-     * The action to move the cursor up on a workspace.
-     * @type {!Blockly.Action}
-     */
-    var ACTION_MOVE_WS_CURSOR_UP: Blockly.Action;
-
-    /**
-     * The action to move the cursor down on a workspace.
-     * @type {!Blockly.Action}
-     */
-    var ACTION_MOVE_WS_CURSOR_DOWN: Blockly.Action;
-
-    /**
-     * List of actions that can be performed in read only mode.
-     * @type {!Array.<!Blockly.Action>}
-     */
-    var READONLY_ACTION_LIST: Blockly.Action[];
-}
-
-
-declare module Blockly {
-
-    class TabNavigateCursor extends TabNavigateCursor__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class TabNavigateCursor__Class extends Blockly.BasicCursor__Class  { 
-    
-            /**
-             * A cursor for navigating between tab navigable fields.
-             * @constructor
-             * @extends {Blockly.BasicCursor}
-             */
-            constructor();
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    interface IASTNodeLocation {
-    }
-
-    interface IASTNodeLocationSvg extends Blockly.IASTNodeLocation {
-    
-        /**
-          * Add the marker svg to this node's svg group.
-          * @param {SVGElement} markerSvg The svg root of the marker to be added to the
-          *     svg group.
-          */
-        setMarkerSvg(markerSvg: SVGElement): void;
-    
-        /**
-          * Add the cursor svg to this node's svg group.
-          * @param {SVGElement} cursorSvg The svg root of the cursor to be added to the
-          *     svg group.
-          */
-        setCursorSvg(cursorSvg: SVGElement): void;
-    }
-
-    interface IASTNodeLocationWithBlock extends Blockly.IASTNodeLocation {
-    
-        /**
-          * Get the source block associated with this node.
-          * @return {Blockly.Block} The source block.
-          */
-        getSourceBlock(): Blockly.Block;
-    }
-
-    interface IBlocklyActionable {
-    
-        /**
-          * Handles the given action.
-          * @param {!Blockly.Action} action The action to be handled.
-          * @return {boolean} True if the action has been handled, false otherwise.
-          */
-        onBlocklyAction(action: Blockly.Action): boolean;
-    }
-}
-
-
-declare module Blockly {
-
-    interface IBoundedElement {
-    
-        /**
-          * Returns the coordinates of a bounded element describing the dimensions of the
-          * element.
-          * Coordinate system: workspace coordinates.
-          * @return {!Blockly.utils.Rect} Object with coordinates of the bounded element.
-          */
-        getBoundingRectangle(): Blockly.utils.Rect;
-    }
-}
-
-
-declare module Blockly {
-
-    interface IBubble extends Blockly.IDeletable, Blockly.IContextMenu {
-    
-        /**
-          * Return the coordinates of the top-left corner of this bubble's body relative
-          * to the drawing surface's origin (0,0), in workspace units.
-          * @return {!Blockly.utils.Coordinate} Object with .x and .y properties.
-          */
-        getRelativeToSurfaceXY(): Blockly.utils.Coordinate;
-    
-        /**
-          * Return the root node of the bubble's SVG group.
-          * @return {!SVGElement} The root SVG node of the bubble's group.
-          */
-        getSvgRoot(): SVGElement;
-    
-        /**
-          * Set whether auto-layout of this bubble is enabled.  The first time a bubble
-          * is shown it positions itself to not cover any blocks.  Once a user has
-          * dragged it to reposition, it renders where the user put it.
-          * @param {boolean} enable True if auto-layout should be enabled, false
-          *     otherwise.
-          */
-        setAutoLayout(enable: boolean): void;
-    
-        /**
-          * Triggers a move callback if one exists at the end of a drag.
-          * @param {boolean} adding True if adding, false if removing.
-          */
-        setDragging(adding: boolean): void;
-    
-        /**
-          * Move this bubble during a drag, taking into account whether or not there is
-          * a drag surface.
-          * @param {Blockly.BlockDragSurfaceSvg} dragSurface The surface that carries
-          *     rendered items during a drag, or null if no drag surface is in use.
-          * @param {!Blockly.utils.Coordinate} newLoc The location to translate to, in
-          *     workspace coordinates.
-          */
-        moveDuringDrag(dragSurface: Blockly.BlockDragSurfaceSvg, newLoc: Blockly.utils.Coordinate): void;
-    
-        /**
-          * Move the bubble to the specified location in workspace coordinates.
-          * @param {number} x The x position to move to.
-          * @param {number} y The y position to move to.
-          */
-        moveTo(x: number, y: number): void;
-    
-        /**
-          * Update the style of this bubble when it is dragged over a delete area.
-          * @param {boolean} enable True if the bubble is about to be deleted, false
-          *     otherwise.
-          */
-        setDeleteStyle(enable: boolean): void;
-    
-        /**
-          * Dispose of this bubble.
-          */
-        dispose: any /*missing*/;
-    }
-}
-
-
-declare module Blockly {
-
-    interface IConnectionChecker {
-    
-        /**
-          * Check whether the current connection can connect with the target
-          * connection.
-          * @param {Blockly.Connection} a Connection to check compatibility with.
-          * @param {Blockly.Connection} b Connection to check compatibility with.
-          * @param {boolean} isDragging True if the connection is being made by dragging
-          *     a block.
-          * @param {number=} opt_distance The max allowable distance between the
-          *     connections for drag checks.
-          * @return {boolean} Whether the connection is legal.
-          * @public
-          */
-        canConnect(a: Blockly.Connection, b: Blockly.Connection, isDragging: boolean, opt_distance?: number): boolean;
-    
-        /**
-          * Checks whether the current connection can connect with the target
-          * connection, and return an error code if there are problems.
-          * @param {Blockly.Connection} a Connection to check compatibility with.
-          * @param {Blockly.Connection} b Connection to check compatibility with.
-          * @param {boolean} isDragging True if the connection is being made by dragging
-          *     a block.
-          * @param {number=} opt_distance The max allowable distance between the
-          *     connections for drag checks.
-          * @return {number} Blockly.Connection.CAN_CONNECT if the connection is legal,
-          *    an error code otherwise.
-          * @public
-          */
-        canConnectWithReason(a: Blockly.Connection, b: Blockly.Connection, isDragging: boolean, opt_distance?: number): number;
-    
-        /**
-          * Helper method that translates a connection error code into a string.
-          * @param {number} errorCode The error code.
-          * @param {Blockly.Connection} a One of the two connections being checked.
-          * @param {Blockly.Connection} b The second of the two connections being
-          *     checked.
-          * @return {string} A developer-readable error string.
-          * @public
-          */
-        getErrorMessage(errorCode: number, a: Blockly.Connection, b: Blockly.Connection): string;
-    
-        /**
-          * Check that connecting the given connections is safe, meaning that it would
-          * not break any of Blockly's basic assumptions (e.g. no self connections).
-          * @param {Blockly.Connection} a The first of the connections to check.
-          * @param {Blockly.Connection} b The second of the connections to check.
-          * @return {number} An enum with the reason this connection is safe or unsafe.
-          * @public
-          */
-        doSafetyChecks(a: Blockly.Connection, b: Blockly.Connection): number;
-    
-        /**
-          * Check whether this connection is compatible with another connection with
-          * respect to the value type system.  E.g. square_root("Hello") is not
-          * compatible.
-          * @param {!Blockly.Connection} a Connection to compare.
-          * @param {!Blockly.Connection} b Connection to compare against.
-          * @return {boolean} True if the connections share a type.
-          * @public
-          */
-        doTypeChecks(a: Blockly.Connection, b: Blockly.Connection): boolean;
-    
-        /**
-          * Check whether this connection can be made by dragging.
-          * @param {!Blockly.RenderedConnection} a Connection to compare.
-          * @param {!Blockly.RenderedConnection} b Connection to compare against.
-          * @param {number} distance The maximum allowable distance between connections.
-          * @return {boolean} True if the connection is allowed during a drag.
-          * @public
-          */
-        doDragChecks(a: Blockly.RenderedConnection, b: Blockly.RenderedConnection, distance: number): boolean;
-    }
-}
-
-
-declare module Blockly {
-
-    interface IContextMenu {
-    
-        /**
-          * Show the context menu for this object.
-          * @param {!Event} e Mouse event.
-          */
-        showContextMenu(e: Event): void;
-    }
-}
-
-
-declare module Blockly {
-
-    interface ICopyable extends Blockly.ISelectable {
-    
-        /**
-          * Encode for copying.
-          * @return {?Blockly.ICopyable.CopyData} Copy metadata.
-          */
-        toCopyData(): Blockly.ICopyable.CopyData;
-    }
-}
-
-declare module Blockly.ICopyable {
-
-    /**
-     * Copy Metadata.
-     * @typedef {{
-     *            xml:!Element,
-     *            source:Blockly.WorkspaceSvg,
-     *            typeCounts:?Object
-     *          }}
-     */
-    interface CopyData {
-        xml: Element;
-        source: Blockly.WorkspaceSvg;
-        typeCounts: Object
-    }
-}
-
-
-declare module Blockly {
-
-    interface IDeletable {
-    
-        /**
-          * Get whether this object is deletable or not.
-          * @return {boolean} True if deletable.
-          */
-        isDeletable(): boolean;
-    }
-}
-
-
-declare module Blockly {
-
-    interface IDeleteArea {
-    
-        /**
-          * Return the deletion rectangle.
-          * @return {Blockly.utils.Rect} Rectangle in which to delete.
-          */
-        getClientRect(): Blockly.utils.Rect;
-    }
-}
-
-
-declare module Blockly {
-
-    interface IFlyout extends Blockly.IRegistrable {
-    
-        /**
-          * Whether the flyout is laid out horizontally or not.
-          * @type {boolean}
-          */
-        horizontalLayout: boolean;
-    
-        /**
-          * Is RTL vs LTR.
-          * @type {boolean}
-          */
-        RTL: boolean;
-    
-        /**
-          * The target workspace
-          * @type {?Blockly.WorkspaceSvg}
-          */
-        targetWorkspace: Blockly.WorkspaceSvg;
-    
-        /**
-          * Margin around the edges of the blocks in the flyout.
-          * @type {number}
-          * @const
-          */
-        MARGIN: number;
-    
-        /**
-          * Does the flyout automatically close when a block is created?
-          * @type {boolean}
-          */
-        autoClose: boolean;
-    
-        /**
-          * Corner radius of the flyout background.
-          * @type {number}
-          * @const
-          */
-        CORNER_RADIUS: number;
-    
-        /**
-          * Creates the flyout's DOM.  Only needs to be called once.  The flyout can
-          * either exist as its own svg element or be a g element nested inside a
-          * separate svg element.
-          * @param {string|
-          * !Blockly.utils.Svg<!SVGSVGElement>|
-          * !Blockly.utils.Svg<!SVGGElement>} tagName The type of tag to
-          *     put the flyout in. This should be <svg> or <g>.
-          * @return {!SVGElement} The flyout's SVG group.
-          */
-        createDom(tagName: string|Blockly.utils.Svg<SVGSVGElement>|Blockly.utils.Svg<SVGGElement>): SVGElement;
-    
-        /**
-          * Initializes the flyout.
-          * @param {!Blockly.WorkspaceSvg} targetWorkspace The workspace in which to
-          *     create new blocks.
-          */
-        init(targetWorkspace: Blockly.WorkspaceSvg): void;
-    
-        /**
-          * Dispose of this flyout.
-          * Unlink from all DOM elements to prevent memory leaks.
-          */
-        dispose: any /*missing*/;
-    
-        /**
-          * Get the width of the flyout.
-          * @return {number} The width of the flyout.
-          */
-        getWidth(): number;
-    
-        /**
-          * Get the height of the flyout.
-          * @return {number} The width of the flyout.
-          */
-        getHeight(): number;
-    
-        /**
-          * Get the workspace inside the flyout.
-          * @return {!Blockly.WorkspaceSvg} The workspace inside the flyout.
-          */
-        getWorkspace(): Blockly.WorkspaceSvg;
-    
-        /**
-          * Is the flyout visible?
-          * @return {boolean} True if visible.
-          */
-        isVisible(): boolean;
-    
-        /**
-          * Set whether the flyout is visible. A value of true does not necessarily mean
-          * that the flyout is shown. It could be hidden because its container is hidden.
-          * @param {boolean} visible True if visible.
-          */
-        setVisible(visible: boolean): void;
-    
-        /**
-          * Set whether this flyout's container is visible.
-          * @param {boolean} visible Whether the container is visible.
-          */
-        setContainerVisible(visible: boolean): void;
-    
-        /**
-          * Hide and empty the flyout.
-          */
-        hide: any /*missing*/;
-    
-        /**
-          * Show and populate the flyout.
-          * @param {!Blockly.utils.toolbox.FlyoutDefinition|string} flyoutDef Contents to
-          *     display in the flyout. This is either an array of Nodes, a NodeList, a
-          *     toolbox definition, or a string with the name of the dynamic category.
-          */
-        show(flyoutDef: Blockly.utils.toolbox.FlyoutDefinition|string): void;
-    
-        /**
-          * Create a copy of this block on the workspace.
-          * @param {!Blockly.BlockSvg} originalBlock The block to copy from the flyout.
-          * @return {!Blockly.BlockSvg} The newly created block.
-          * @throws {Error} if something went wrong with deserialization.
-          */
-        createBlock(originalBlock: Blockly.BlockSvg): Blockly.BlockSvg;
-    
-        /**
-          * Reflow blocks and their mats.
-          */
-        reflow: any /*missing*/;
-    
-        /**
-          * @return {boolean} True if this flyout may be scrolled with a scrollbar or by
-          *     dragging.
-          */
-        isScrollable(): boolean;
-    
-        /**
-          * Position the flyout.
-          * @return {void}
-          */
-        position(): void;
-    
-        /**
-          * Determine if a drag delta is toward the workspace, based on the position
-          * and orientation of the flyout. This is used in determineDragIntention_ to
-          * determine if a new block should be created or if the flyout should scroll.
-          * @param {!Blockly.utils.Coordinate} currentDragDeltaXY How far the pointer has
-          *     moved from the position at mouse down, in pixel units.
-          * @return {boolean} True if the drag is toward the workspace.
-          */
-        isDragTowardWorkspace(currentDragDeltaXY: Blockly.utils.Coordinate): boolean;
-    }
-}
-
-
-declare module Blockly {
-
-    interface IMovable {
-    
-        /**
-          * Get whether this is movable or not.
-          * @return {boolean} True if movable.
-          */
-        isMovable(): boolean;
-    }
-}
-
-
-declare module Blockly {
-
-    interface IRegistrable {
-    }
-}
-
-
-declare module Blockly {
-
-    /**
-     * A registrable field.
-     * Note: We are not using an interface here as we are interested in defining the
-     * static methods of a field rather than the instance methods.
-     * @typedef {{
-     *     fromJson:Blockly.IRegistrableField.fromJson
-     * }}
-     */
-    interface IRegistrableField {
-        fromJson: Blockly.IRegistrableField.fromJson
-    }
-}
-
-declare module Blockly.IRegistrableField {
-
-    /**
-     * @typedef {function(!Object): Blockly.Field}
-     */
-    interface fromJson {
-        (_0: Object): Blockly.Field
-    }
-}
-
-
-declare module Blockly {
-
-    interface ISelectable extends Blockly.IDeletable, Blockly.IMovable {
-    
-        /**
-          * @type {string}
-          */
-        id: string;
-    
-        /**
-          * Select this.  Highlight it visually.
-          * @return {void}
-          */
-        select(): void;
-    
-        /**
-          * Unselect this.  Unhighlight it visually.
-          * @return {void}
-          */
-        unselect(): void;
-    }
-}
-
-
-declare module Blockly {
-
-    interface IStyleable {
-    
-        /**
-          * Adds a style on the toolbox. Usually used to change the cursor.
-          * @param {string} style The name of the class to add.
-          */
-        addStyle(style: string): void;
-    
-        /**
-          * Removes a style from the toolbox. Usually used to change the cursor.
-          * @param {string} style The name of the class to remove.
-          */
-        removeStyle(style: string): void;
-    }
-}
-
-
-declare module Blockly {
-
-    interface IToolbox extends Blockly.IRegistrable {
-    
-        /**
-          * Initializes the toolbox.
-          * @return {void}
-          */
-        init(): void;
-    
-        /**
-          * Fills the toolbox with new toolbox items and removes any old contents.
-          * @param {!Blockly.utils.toolbox.ToolboxInfo} toolboxDef Object holding information
-          *     for creating a toolbox.
-          */
-        render(toolboxDef: Blockly.utils.toolbox.ToolboxInfo): void;
-    
-        /**
-          * Gets the width of the toolbox.
-          * @return {number} The width of the toolbox.
-          */
-        getWidth(): number;
-    
-        /**
-          * Gets the height of the toolbox.
-          * @return {number} The width of the toolbox.
-          */
-        getHeight(): number;
-    
-        /**
-          * Gets the toolbox flyout.
-          * @return {?Blockly.IFlyout} The toolbox flyout.
-          */
-        getFlyout(): Blockly.IFlyout;
-    
-        /**
-          * Gets the workspace for the toolbox.
-          * @return {!Blockly.WorkspaceSvg} The parent workspace for the toolbox.
-          */
-        getWorkspace(): Blockly.WorkspaceSvg;
-    
-        /**
-          * Gets whether or not the toolbox is horizontal.
-          * @return {boolean} True if the toolbox is horizontal, false if the toolbox is
-          *     vertical.
-          */
-        isHorizontal(): boolean;
-    
-        /**
-          * Positions the toolbox based on whether it is a horizontal toolbox and whether
-          * the workspace is in rtl.
-          * @return {void}
-          */
-        position(): void;
-    
-        /**
-          * Handles resizing the toolbox when a toolbox item resizes.
-          * @return {void}
-          */
-        handleToolboxItemResize(): void;
-    
-        /**
-          * Unhighlights any previously selected item.
-          * @return {void}
-          */
-        clearSelection(): void;
-    
-        /**
-          * Updates the category colours and background colour of selected categories.
-          * @return {void}
-          */
-        refreshTheme(): void;
-    
-        /**
-          * Updates the flyout's content without closing it.  Should be used in response
-          * to a change in one of the dynamic categories, such as variables or
-          * procedures.
-          * @return {void}
-          */
-        refreshSelection(): void;
-    
-        /**
-          * Sets the visibility of the toolbox.
-          * @param {boolean} isVisible True if toolbox should be visible.
-          */
-        setVisible(isVisible: boolean): void;
-    
-        /**
-          * Selects the toolbox item by it's position in the list of toolbox items.
-          * @param {number} position The position of the item to select.
-          * @return {void}
-          */
-        selectItemByPosition(position: number): void;
-    
-        /**
-          * Gets the selected item.
-          * @return {?Blockly.IToolboxItem} The selected item, or null if no item is
-          *     currently selected.
-          */
-        getSelectedItem(): Blockly.IToolboxItem;
-    
-        /**
-          * Disposes of this toolbox.
-          * @return {void}
-          */
-        dispose(): void;
-    }
-}
-
-
-declare module Blockly {
-
-    interface IToolboxItem {
-    
-        /**
-          * Initializes the toolbox item.
-          * This includes creating the dom and updating the state of any items based
-          * on the info object.
-          * @return {void}
-          * @public
-          */
-        init(): void;
-    
-        /**
-          * Gets the div for the toolbox item.
-          * @return {?Element} The div for the toolbox item.
-          * @public
-          */
-        getDiv(): Element;
-    
-        /**
-          * Gets a unique identifier for this toolbox item.
-          * @return {string} The id for the toolbox item.
-          * @public
-          */
-        getId(): string;
-    
-        /**
-          * Gets the parent if the toolbox item is nested.
-          * @return {?Blockly.IToolboxItem} The parent toolbox item, or null if
-          *     this toolbox item is not nested.
-          * @public
-          */
-        getParent(): Blockly.IToolboxItem;
-    
-        /**
-          * Gets the nested level of the category.
-          * @return {number} The nested level of the category.
-          * @package
-          */
-        getLevel(): number;
-    
-        /**
-          * Whether the toolbox item is selectable.
-          * @return {boolean} True if the toolbox item can be selected.
-          * @public
-          */
-        isSelectable(): boolean;
-    
-        /**
-          * Whether the toolbox item is collapsible.
-          * @return {boolean} True if the toolbox item is collapsible.
-          * @public
-          */
-        isCollapsible(): boolean;
-    
-        /**
-          * Dispose of this toolbox item. No-op by default.
-          * @public
-          */
-        dispose: any /*missing*/;
-    }
-
-    interface ISelectableToolboxItem extends Blockly.IToolboxItem {
-    
-        /**
-          * Gets the name of the toolbox item. Used for emitting events.
-          * @return {string} The name of the toolbox item.
-          * @public
-          */
-        getName(): string;
-    
-        /**
-          * Gets the contents of the toolbox item. These are items that are meant to be
-          * displayed in the flyout.
-          * @return {!Blockly.utils.toolbox.FlyoutItemInfoArray|string} The definition
-          *     of items to be displayed in the flyout.
-          * @public
-          */
-        getContents(): Blockly.utils.toolbox.FlyoutItemInfoArray|string;
-    
-        /**
-          * Sets the current toolbox item as selected.
-          * @param {boolean} _isSelected True if this category is selected, false
-          *     otherwise.
-          * @public
-          */
-        setSelected(_isSelected: boolean): void;
-    
-        /**
-          * Handles when the toolbox item is clicked.
-          * @param {!Event} _e Click event to handle.
-          * @public
-          */
-        onClick(_e: Event): void;
-    }
-
-    interface ICollapsibleToolboxItem extends Blockly.ISelectableToolboxItem {
-    
-        /**
-          * Gets any children toolbox items. (ex. Gets the subcategories)
-          * @return {!Array<!Blockly.IToolboxItem>} The child toolbox items.
-          */
-        getChildToolboxItems(): Blockly.IToolboxItem[];
-    
-        /**
-          * Whether the toolbox item is expanded to show its child subcategories.
-          * @return {boolean} True if the toolbox item shows its children, false if it
-          *     is collapsed.
-          * @public
-          */
-        isExpanded(): boolean;
-    
-        /**
-          * Toggles whether or not the toolbox item is expanded.
-          * @public
-          */
-        toggleExpanded: any /*missing*/;
-    }
-}
-
-
-
-
-
-
-
-
-
-declare module Blockly {
-
-    class ToolboxCategory extends ToolboxCategory__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class ToolboxCategory__Class extends Blockly.ToolboxItem__Class implements Blockly.ISelectableToolboxItem  { 
-    
-            /**
-             * Class for a category in a toolbox.
-             * @param {!Blockly.utils.toolbox.CategoryInfo} categoryDef The information needed
-             *     to create a category in the toolbox.
-             * @param {!Blockly.IToolbox} toolbox The parent toolbox for the category.
-             * @param {Blockly.ICollapsibleToolboxItem=} opt_parent The parent category or null if
-             *     the category does not have a parent.
-             * @constructor
-             * @extends {Blockly.ToolboxItem}
-             * @implements {Blockly.ISelectableToolboxItem}
-             */
-            constructor(categoryDef: Blockly.utils.toolbox.CategoryInfo, toolbox: Blockly.IToolbox, opt_parent?: Blockly.ICollapsibleToolboxItem);
-    
-            /**
-             * The name that will be displayed on the category.
-             * @type {string}
-             * @protected
-             */
-            name_: string;
-    
-            /**
-             * The colour of the category.
-             * @type {string}
-             * @protected
-             */
-            colour_: string;
-    
-            /**
-             * The html container for the category.
-             * @type {?Element}
-             * @protected
-             */
-            htmlDiv_: Element;
-    
-            /**
-             * The html element for the category row.
-             * @type {?Element}
-             * @protected
-             */
-            rowDiv_: Element;
-    
-            /**
-             * The html element that holds children elements of the category row.
-             * @type {?Element}
-             * @protected
-             */
-            rowContents_: Element;
-    
-            /**
-             * The html element for the toolbox icon.
-             * @type {?Element}
-             * @protected
-             */
-            iconDom_: Element;
-    
-            /**
-             * All the css class names that are used to create a category.
-             * @type {!Blockly.ToolboxCategory.CssConfig}
-             * @protected
-             */
-            cssConfig_: Blockly.ToolboxCategory.CssConfig;
-    
-            /**
-             * True if the category is meant to be hidden, false otherwise.
-             * @type {boolean}
-             * @protected
-             */
-            isHidden_: boolean;
-    
-            /**
-             * True if this category is disabled, false otherwise.
-             * @type {boolean}
-             * @protected
-             */
-            isDisabled_: boolean;
-    
-            /**
-             * The flyout items for this category.
-             * @type {string|!Blockly.utils.toolbox.FlyoutItemInfoArray}
-             * @protected
-             */
-            flyoutItems_: string|Blockly.utils.toolbox.FlyoutItemInfoArray;
-    
-            /**
-             * Creates an object holding the default classes for a category.
-             * @return {!Blockly.ToolboxCategory.CssConfig} The configuration object holding
-             *    all the CSS classes for a category.
-             * @protected
-             */
-            makeDefaultCssConfig_(): Blockly.ToolboxCategory.CssConfig;
-    
-            /**
-             * Parses the contents array depending on if the category is a dynamic category,
-             * or if its contents are meant to be shown in the flyout.
-             * @param {!Blockly.utils.toolbox.CategoryInfo} categoryDef The information needed
-             *     to create a category.
-             * @protected
-             */
-            parseContents_(categoryDef: Blockly.utils.toolbox.CategoryInfo): void;
-    
-            /**
-             * Creates the dom for the category.
-             * @return {!Element} The parent element for the category.
-             * @protected
-             */
-            createDom_(): Element;
-    
-            /**
-             * Creates the container that holds the row and any subcategories.
-             * @return {!Element} The div that holds the icon and the label.
-             * @protected
-             */
-            createContainer_(): Element;
-    
-            /**
-             * Creates the parent of the contents container. All clicks will happen on this
-             * div.
-             * @return {!Element} The div that holds the contents container.
-             * @protected
-             */
-            createRowContainer_(): Element;
-    
-            /**
-             * Creates the container for the label and icon.
-             * This is necessary so we can set all subcategory pointer events to none.
-             * @return {!Element} The div that holds the icon and the label.
-             * @protected
-             */
-            createRowContentsContainer_(): Element;
-    
-            /**
-             * Creates the span that holds the category icon.
-             * @return {!Element} The span that holds the category icon.
-             * @protected
-             */
-            createIconDom_(): Element;
-    
-            /**
-             * Creates the span that holds the category label.
-             * This should have an id for accessibility purposes.
-             * @param {string} name The name of the category.
-             * @return {!Element} The span that holds the category label.
-             * @protected
-             */
-            createLabelDom_(name: string): Element;
-    
-            /**
-             * Updates the colour for this category.
-             * @public
-             */
-            refreshTheme(): void;
-    
-            /**
-             * Add the strip of colour to the toolbox category.
-             * @param {string} colour The category colour.
-             * @protected
-             */
-            addColourBorder_(colour: string): void;
-    
-            /**
-             * Gets either the colour or the style for a category.
-             * @param {!Blockly.utils.toolbox.CategoryInfo} categoryDef The object holding
-             *    information on the category.
-             * @return {string} The hex colour for the category.
-             * @protected
-             */
-            getColour_(categoryDef: Blockly.utils.toolbox.CategoryInfo): string;
-    
-            /**
-             * Adds appropriate classes to display an open icon.
-             * @param {?Element} iconDiv The div that holds the icon.
-             * @protected
-             */
-            openIcon_(iconDiv: Element): void;
-    
-            /**
-             * Adds appropriate classes to display a closed icon.
-             * @param {?Element} iconDiv The div that holds the icon.
-             * @protected
-             */
-            closeIcon_(iconDiv: Element): void;
-    
-            /**
-             * Sets whether the category is visible or not.
-             * For a category to be visible its parent category must also be expanded.
-             * @param {boolean} isVisible True if category should be visible.
-             * @protected
-             */
-            setVisible_(isVisible: boolean): void;
-    
-            /**
-             * Hide the category.
-             */
-            hide(): void;
-    
-            /**
-             * Show the category. Category will only appear if its parent category is also
-             * expanded.
-             */
-            show(): void;
-    
-            /**
-             * Whether the category is visible.
-             * A category is only visible if all of its ancestors are expanded and isHidden_ is false.
-             * @return {boolean} True if the category is visible, false otherwise.
-             * @public
-             */
-            isVisible(): boolean;
-    
-            /**
-             * Whether all ancestors of a category (parent and parent's parent, etc.) are expanded.
-             * @return {boolean} True only if every ancestor is expanded
-             * @protected
-             */
-            allAncestorsExpanded_(): boolean;
-    
-            /**
-             * Handles when the toolbox item is clicked.
-             * @param {!Event} _e Click event to handle.
-             * @public
-             */
-            onClick(_e: Event): void;
-    
-            /**
-             * Sets the current category as selected.
-             * @param {boolean} isSelected True if this category is selected, false
-             *     otherwise.
-             * @public
-             */
-            setSelected(isSelected: boolean): void;
-    
-            /**
-             * Sets whether the category is disabled.
-             * @param {boolean} isDisabled True to disable the category, false otherwise.
-             */
-            setDisabled(isDisabled: boolean): void;
-    
-            /**
-             * Gets the name of the category. Used for emitting events.
-             * @return {string} The name of the toolbox item.
-             * @public
-             */
-            getName(): string;
-    
-            /**
-             * Gets the contents of the category. These are items that are meant to be
-             * displayed in the flyout.
-             * @return {!Blockly.utils.toolbox.FlyoutItemInfoArray|string} The definition
-             *     of items to be displayed in the flyout.
-             * @public
-             */
-            getContents(): Blockly.utils.toolbox.FlyoutItemInfoArray|string;
-    
-            /**
-             * Updates the contents to be displayed in the flyout.
-             * If the flyout is open when the contents are updated, refreshSelection on the
-             * toolbox must also be called.
-             * @param {!Blockly.utils.toolbox.FlyoutDefinition|string} contents The contents
-             *     to be displayed in the flyout. A string can be supplied to create a
-             *     dynamic category.
-             * @public
-             */
-            updateFlyoutContents(contents: Blockly.utils.toolbox.FlyoutDefinition|string): void;
-    } 
-    
-}
-
-declare module Blockly.ToolboxCategory {
-
-    /**
-     * All the css class names that are used to create a category.
-     * @typedef {{
-     *            container:?string,
-     *            row:?string,
-     *            icon:?string,
-     *            label:?string,
-     *            selected:?string,
-     *            openIcon:?string,
-     *            closedIcon:?string
-     *          }}
-     */
-    interface CssConfig {
-        container: string;
-        row: string;
-        icon: string;
-        label: string;
-        selected: string;
-        openIcon: string;
-        closedIcon: string
-    }
-
-    /**
-     * Name used for registering a toolbox category.
-     * @const {string}
-     */
-    var registrationName: any /*missing*/;
-
-    /**
-     * The number of pixels to move the category over at each nested level.
-     * @type {number}
-     */
-    var nestedPadding: number;
-
-    /**
-     * The width in pixels of the strip of colour next to each category.
-     * @type {number}
-     */
-    var borderWidth: number;
-
-    /**
-     * The default colour of the category. This is used as the background colour of
-     * the category when it is selected.
-     * @type {string}
-     */
-    var defaultBackgroundColour: string;
-}
-
-
-declare module Blockly {
-
-    class CollapsibleToolboxCategory extends CollapsibleToolboxCategory__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class CollapsibleToolboxCategory__Class extends Blockly.ToolboxCategory__Class implements Blockly.ICollapsibleToolboxItem  { 
-    
-            /**
-             * Class for a category in a toolbox that can be collapsed.
-             * @param {!Blockly.utils.toolbox.CategoryInfo} categoryDef The information needed
-             *     to create a category in the toolbox.
-             * @param {!Blockly.IToolbox} toolbox The parent toolbox for the category.
-             * @param {Blockly.ICollapsibleToolboxItem=} opt_parent The parent category or null if
-             *     the category does not have a parent.
-             * @constructor
-             * @extends {Blockly.ToolboxCategory}
-             * @implements {Blockly.ICollapsibleToolboxItem}
-             */
-            constructor(categoryDef: Blockly.utils.toolbox.CategoryInfo, toolbox: Blockly.IToolbox, opt_parent?: Blockly.ICollapsibleToolboxItem);
-    
-            /**
-             * Container for any child categories.
-             * @type {?Element}
-             * @protected
-             */
-            subcategoriesDiv_: Element;
-    
-            /**
-             * Whether or not the category should display its subcategories.
-             * @type {boolean}
-             * @protected
-             */
-            expanded_: boolean;
-    
-            /**
-             * The child toolbox items for this category.
-             * @type {!Array<!Blockly.ToolboxItem>}
-             * @protected
-             */
-            toolboxItems_: Blockly.ToolboxItem[];
-    
-            /**
-             * Create the dom for all subcategories.
-             * @param {!Array<!Blockly.ToolboxItem>} subcategories The subcategories.
-             * @return {!Element} The div holding all the subcategories.
-             * @protected
-             */
-            createSubCategoriesDom_(subcategories: Blockly.ToolboxItem[]): Element;
-    
-            /**
-             * Opens or closes the current category.
-             * @param {boolean} isExpanded True to expand the category, false to close.
-             * @public
-             */
-            setExpanded(isExpanded: boolean): void;
-    
-            /**
-             * Whether the category is expanded to show its child subcategories.
-             * @return {boolean} True if the toolbox item shows its children, false if it
-             *     is collapsed.
-             * @public
-             */
-            isExpanded(): boolean;
-    
-            /**
-             * Toggles whether or not the category is expanded.
-             * @public
-             */
-            toggleExpanded(): void;
-    
-            /**
-             * Gets any children toolbox items. (ex. Gets the subcategories)
-             * @return {!Array<!Blockly.IToolboxItem>} The child toolbox items.
-             */
-            getChildToolboxItems(): Blockly.IToolboxItem[];
-    } 
-    
-}
-
-declare module Blockly.CollapsibleToolboxCategory {
-
-    /**
-     * All the css class names that are used to create a collapsible
-     * category. This is all the properties from the regular category plus contents.
-     * @typedef {{
-     *            container:?string,
-     *            row:?string,
-     *            icon:?string,
-     *            label:?string,
-     *            selected:?string,
-     *            openIcon:?string,
-     *            closedIcon:?string,
-     *            contents:?string
-     *          }}
-     */
-    interface CssConfig {
-        container: string;
-        row: string;
-        icon: string;
-        label: string;
-        selected: string;
-        openIcon: string;
-        closedIcon: string;
-        contents: string
-    }
-
-    /**
-     * Name used for registering a collapsible toolbox category.
-     * @const {string}
-     */
-    var registrationName: any /*missing*/;
-}
-
-
-declare module Blockly {
-
-    class ToolboxSeparator extends ToolboxSeparator__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class ToolboxSeparator__Class extends Blockly.ToolboxItem__Class implements Blockly.IToolboxItem  { 
-    
-            /**
-             * Class for a toolbox separator. This is the thin visual line that appears on
-             * the toolbox. This item is not interactable.
-             * @param {!Blockly.utils.toolbox.SeparatorInfo} separatorDef The information
-             *     needed to create a separator.
-             * @param {!Blockly.IToolbox} toolbox The parent toolbox for the separator.
-             * @constructor
-             * @extends {Blockly.ToolboxItem}
-             * @implements {Blockly.IToolboxItem}
-             */
-            constructor(separatorDef: Blockly.utils.toolbox.SeparatorInfo, toolbox: Blockly.IToolbox);
-    
-            /**
-             * All the css class names that are used to create a separator.
-             * @type {!Blockly.ToolboxSeparator.CssConfig}
-             * @protected
-             */
-            cssConfig_: Blockly.ToolboxSeparator.CssConfig;
-    
-            /**
-             * Creates the dom for a separator.
-             * @return {!Element} The parent element for the separator.
-             * @protected
-             */
-            createDom_(): Element;
-    } 
-    
-}
-
-declare module Blockly.ToolboxSeparator {
-
-    /**
-     * All the css class names that are used to create a separator.
-     * @typedef {{
-     *            container:?string
-     *          }}
-     */
-    interface CssConfig {
-        container: string
-    }
-
-    /**
-     * Name used for registering a toolbox separator.
-     * @const {string}
-     */
-    var registrationName: any /*missing*/;
-}
-
-
-declare module Blockly {
-
-    class Toolbox extends Toolbox__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Toolbox__Class implements Blockly.IBlocklyActionable, Blockly.IDeleteArea, Blockly.IStyleable, Blockly.IToolbox  { 
-    
-            /**
-             * Class for a Toolbox.
-             * Creates the toolbox's DOM.
-             * @param {!Blockly.WorkspaceSvg} workspace The workspace in which to create new
-             *     blocks.
-             * @constructor
-             * @implements {Blockly.IBlocklyActionable}
-             * @implements {Blockly.IDeleteArea}
-             * @implements {Blockly.IStyleable}
-             * @implements {Blockly.IToolbox}
-             */
-            constructor(workspace: Blockly.WorkspaceSvg);
-    
-            /**
-             * The workspace this toolbox is on.
-             * @type {!Blockly.WorkspaceSvg}
-             * @protected
-             */
-            workspace_: Blockly.WorkspaceSvg;
-    
-            /**
-             * The JSON describing the contents of this toolbox.
-             * @type {!Blockly.utils.toolbox.ToolboxInfo}
-             * @protected
-             */
-            toolboxDef_: Blockly.utils.toolbox.ToolboxInfo;
-    
-            /**
-             * The html container for the toolbox.
-             * @type {?Element}
-             */
-            HtmlDiv: Element;
-    
-            /**
-             * The html container for the contents of a toolbox.
-             * @type {?Element}
-             * @protected
-             */
-            contentsDiv_: Element;
-    
-            /**
-             * The list of items in the toolbox.
-             * @type {!Array<!Blockly.IToolboxItem>}
-             * @protected
-             */
-            contents_: Blockly.IToolboxItem[];
-    
-            /**
-             * The width of the toolbox.
-             * @type {number}
-             * @protected
-             */
-            width_: number;
-    
-            /**
-             * The height of the toolbox.
-             * @type {number}
-             * @protected
-             */
-            height_: number;
-    
-            /**
-             * Is RTL vs LTR.
-             * @type {boolean}
-             */
-            RTL: boolean;
-    
-            /**
-             * A map from toolbox item IDs to toolbox items.
-             * @type {!Object<string, Blockly.IToolboxItem>}
-             * @protected
-             */
-            contentMap_: { [key: string]: Blockly.IToolboxItem };
-    
-            /**
-             * Position of the toolbox and flyout relative to the workspace.
-             * @type {!Blockly.utils.toolbox.Position}
-             */
-            toolboxPosition: Blockly.utils.toolbox.Position;
-    
-            /**
-             * The currently selected item.
-             * @type {?Blockly.ISelectableToolboxItem}
-             * @protected
-             */
-            selectedItem_: Blockly.ISelectableToolboxItem;
-    
-            /**
-             * The previously selected item.
-             * @type {?Blockly.ISelectableToolboxItem}
-             * @protected
-             */
-            previouslySelectedItem_: Blockly.ISelectableToolboxItem;
-    
-            /**
-             * Array holding info needed to unbind event handlers.
-             * Used for disposing.
-             * Ex: [[node, name, func], [node, name, func]].
-             * @type {!Array<!Blockly.EventData>}
-             * @protected
-             */
-            boundEvents_: Blockly.EventData[];
-    
-            /**
-             * Initializes the toolbox
-             * @public
-             */
-            init(): void;
-    
-            /**
-             * Creates the dom for the toolbox.
-             * @param {!Blockly.WorkspaceSvg} workspace The workspace this toolbox is on.
-             * @return {!Element} The html container for the toolbox.
-             * @protected
-             */
-            createDom_(workspace: Blockly.WorkspaceSvg): Element;
-    
-            /**
-             * Creates the container div for the toolbox.
-             * @return {!Element} The html container for the toolbox.
-             * @protected
-             */
-            createContainer_(): Element;
-    
-            /**
-             * Creates the container for all the contents in the toolbox.
-             * @return {!Element} The html container for the toolbox contents.
-             * @protected
-             */
-            createContentsContainer_(): Element;
-    
-            /**
-             * Adds event listeners to the toolbox container div.
-             * @param {!Element} container The html container for the toolbox.
-             * @param {!Element} contentsContainer The html container for the contents
-             *     of the toolbox.
-             * @protected
-             */
-            attachEvents_(container: Element, contentsContainer: Element): void;
-    
-            /**
-             * Handles on click events for when the toolbox or toolbox items are clicked.
-             * @param {!Event} e Click event to handle.
-             * @protected
-             */
-            onClick_(e: Event): void;
-    
-            /**
-             * Handles key down events for the toolbox.
-             * @param {!KeyboardEvent} e The key down event.
-             * @protected
-             */
-            onKeyDown_(e: KeyboardEvent): void;
-    
-            /**
-             * Creates the flyout based on the toolbox layout.
-             * @return {!Blockly.IFlyout} The flyout for the toolbox.
-             * @throws {Error} If missing a require for `Blockly.HorizontalFlyout`,
-             *     `Blockly.VerticalFlyout`, and no flyout plugin is specified.
-             * @protected
-             */
-            createFlyout_(): Blockly.IFlyout;
-    
-            /**
-             * Fills the toolbox with new toolbox items and removes any old contents.
-             * @param {!Blockly.utils.toolbox.ToolboxInfo} toolboxDef Object holding information
-             *     for creating a toolbox.
-             * @package
-             */
-            render(toolboxDef: Blockly.utils.toolbox.ToolboxInfo): void;
-    
-            /**
-             * Adds all the toolbox items to the toolbox.
-             * @param {!Array<!Blockly.utils.toolbox.ToolboxItemInfo>} toolboxDef Array
-             *     holding objects containing information on the contents of the toolbox.
-             * @protected
-             */
-            renderContents_(toolboxDef: Blockly.utils.toolbox.ToolboxItemInfo[]): void;
-    
-            /**
-             * Adds an item to the toolbox.
-             * @param {!Blockly.IToolboxItem} toolboxItem The item in the toolbox.
-             * @protected
-             */
-            addToolboxItem_(toolboxItem: Blockly.IToolboxItem): void;
-    
-            /**
-             * Gets the items in the toolbox.
-             * @return {!Array<!Blockly.IToolboxItem>} The list of items in the toolbox.
-             * @public
-             */
-            getToolboxItems(): Blockly.IToolboxItem[];
-    
-            /**
-             * Adds a style on the toolbox. Usually used to change the cursor.
-             * @param {string} style The name of the class to add.
-             * @package
-             */
-            addStyle(style: string): void;
-    
-            /**
-             * Removes a style from the toolbox. Usually used to change the cursor.
-             * @param {string} style The name of the class to remove.
-             * @package
-             */
-            removeStyle(style: string): void;
-    
-            /**
-             * Return the deletion rectangle for this toolbox.
-             * @return {?Blockly.utils.Rect} Rectangle in which to delete.
-             * @public
-             */
-            getClientRect(): Blockly.utils.Rect;
-    
-            /**
-             * Gets the toolbox item with the given id.
-             * @param {string} id The id of the toolbox item.
-             * @return {?Blockly.IToolboxItem} The toolbox item with the given id, or null if
-             *     no item exists.
-             * @public
-             */
-            getToolboxItemById(id: string): Blockly.IToolboxItem;
-    
-            /**
-             * Gets the width of the toolbox.
-             * @return {number} The width of the toolbox.
-             * @public
-             */
-            getWidth(): number;
-    
-            /**
-             * Gets the height of the toolbox.
-             * @return {number} The width of the toolbox.
-             * @public
-             */
-            getHeight(): number;
-    
-            /**
-             * Gets the toolbox flyout.
-             * @return {?Blockly.IFlyout} The toolbox flyout.
-             * @public
-             */
-            getFlyout(): Blockly.IFlyout;
-    
-            /**
-             * Gets the workspace for the toolbox.
-             * @return {!Blockly.WorkspaceSvg} The parent workspace for the toolbox.
-             * @public
-             */
-            getWorkspace(): Blockly.WorkspaceSvg;
-    
-            /**
-             * Gets the selected item.
-             * @return {?Blockly.ISelectableToolboxItem} The selected item, or null if no item is
-             *     currently selected.
-             * @public
-             */
-            getSelectedItem(): Blockly.ISelectableToolboxItem;
-    
-            /**
-             * Gets the previously selected item.
-             * @return {?Blockly.ISelectableToolboxItem} The previously selected item, or null if no
-             *     item was previously selected.
-             * @public
-             */
-            getPreviouslySelectedItem(): Blockly.ISelectableToolboxItem;
-    
-            /**
-             * Gets whether or not the toolbox is horizontal.
-             * @return {boolean} True if the toolbox is horizontal, false if the toolbox is
-             *     vertical.
-             * @public
-             */
-            isHorizontal(): boolean;
-    
-            /**
-             * Positions the toolbox based on whether it is a horizontal toolbox and whether
-             * the workspace is in rtl.
-             * @public
-             */
-            position(): void;
-    
-            /**
-             * Handles resizing the toolbox when a toolbox item resizes.
-             * @package
-             */
-            handleToolboxItemResize(): void;
-    
-            /**
-             * Unhighlights any previously selected item.
-             * @public
-             */
-            clearSelection(): void;
-    
-            /**
-             * Updates the category colours and background colour of selected categories.
-             * @package
-             */
-            refreshTheme(): void;
-    
-            /**
-             * Updates the flyout's content without closing it.  Should be used in response
-             * to a change in one of the dynamic categories, such as variables or
-             * procedures.
-             * @public
-             */
-            refreshSelection(): void;
-    
-            /**
-             * Shows or hides the toolbox.
-             * @param {boolean} isVisible True if toolbox should be visible.
-             * @public
-             */
-            setVisible(isVisible: boolean): void;
-    
-            /**
-             * Sets the given item as selected.
-             * No-op if the item is not selectable.
-             * @param {?Blockly.IToolboxItem} newItem The toolbox item to select.
-             * @public
-             */
-            setSelectedItem(newItem: Blockly.IToolboxItem): void;
-    
-            /**
-             * Decides whether the old item should be deselected.
-             * @param {?Blockly.ISelectableToolboxItem} oldItem The previously selected
-             *     toolbox item.
-             * @param {?Blockly.ISelectableToolboxItem} newItem The newly selected toolbox
-             *     item.
-             * @return {boolean} True if the old item should be deselected, false otherwise.
-             * @protected
-             */
-            shouldDeselectItem_(oldItem: Blockly.ISelectableToolboxItem, newItem: Blockly.ISelectableToolboxItem): boolean;
-    
-            /**
-             * Decides whether the new item should be selected.
-             * @param {?Blockly.ISelectableToolboxItem} oldItem The previously selected
-             *     toolbox item.
-             * @param {?Blockly.ISelectableToolboxItem} newItem The newly selected toolbox
-             *     item.
-             * @return {boolean} True if the new item should be selected, false otherwise.
-             * @protected
-             */
-            shouldSelectItem_(oldItem: Blockly.ISelectableToolboxItem, newItem: Blockly.ISelectableToolboxItem): boolean;
-    
-            /**
-             * Deselects the given item, marks it as unselected, and updates aria state.
-             * @param {!Blockly.ISelectableToolboxItem} item The previously selected
-             *     toolbox item which should be deselected.
-             * @protected
-             */
-            deselectItem_(item: Blockly.ISelectableToolboxItem): void;
-    
-            /**
-             * Selects the given item, marks it selected, and updates aria state.
-             * @param {?Blockly.ISelectableToolboxItem} oldItem The previously selected
-             *     toolbox item.
-             * @param {!Blockly.ISelectableToolboxItem} newItem The newly selected toolbox
-             *     item.
-             * @protected
-             */
-            selectItem_(oldItem: Blockly.ISelectableToolboxItem, newItem: Blockly.ISelectableToolboxItem): void;
-    
-            /**
-             * Selects the toolbox item by its position in the list of toolbox items.
-             * @param {number} position The position of the item to select.
-             * @public
-             */
-            selectItemByPosition(position: number): void;
-    
-            /**
-             * Decides whether to hide or show the flyout depending on the selected item.
-             * @param {?Blockly.ISelectableToolboxItem} oldItem The previously selected toolbox item.
-             * @param {?Blockly.ISelectableToolboxItem} newItem The newly selected toolbox item.
-             * @protected
-             */
-            updateFlyout_(oldItem: Blockly.ISelectableToolboxItem, newItem: Blockly.ISelectableToolboxItem): void;
-    
-            /**
-             * Handles the given Blockly action on a toolbox.
-             * This is only triggered when keyboard accessibility mode is enabled.
-             * @param {!Blockly.Action} action The action to be handled.
-             * @return {boolean} True if the field handled the action, false otherwise.
-             * @package
-             */
-            onBlocklyAction(action: Blockly.Action): boolean;
-    
-            /**
-             * Disposes of this toolbox.
-             * @public
-             */
-            dispose(): void;
-    } 
-    
-}
-
-
-declare module Blockly {
-
-    class ToolboxItem extends ToolboxItem__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class ToolboxItem__Class implements Blockly.IToolboxItem  { 
-    
-            /**
-             * Class for an item in the toolbox.
-             * @param {!Blockly.utils.toolbox.ToolboxItemInfo} toolboxItemDef The JSON defining the
-             *     toolbox item.
-             * @param {!Blockly.IToolbox} toolbox The toolbox that holds the toolbox item.
-             * @param {Blockly.ICollapsibleToolboxItem=} opt_parent The parent toolbox item
-             *     or null if the category does not have a parent.
-             * @constructor
-             * @implements {Blockly.IToolboxItem}
-             */
-            constructor(toolboxItemDef: Blockly.utils.toolbox.ToolboxItemInfo, toolbox: Blockly.IToolbox, opt_parent?: Blockly.ICollapsibleToolboxItem);
-    
-            /**
-             * The id for the category.
-             * @type {string}
-             * @protected
-             */
-            id_: string;
-    
-            /**
-             * The parent of the category.
-             * @type {?Blockly.ICollapsibleToolboxItem}
-             * @protected
-             */
-            parent_: Blockly.ICollapsibleToolboxItem;
-    
-            /**
-             * The level that the category is nested at.
-             * @type {number}
-             * @protected
-             */
-            level_: number;
-    
-            /**
-             * The JSON definition of the toolbox item.
-             * @type {!Blockly.utils.toolbox.ToolboxItemInfo}
-             * @protected
-             */
-            toolboxItemDef_: Blockly.utils.toolbox.ToolboxItemInfo;
-    
-            /**
-             * The toolbox this category belongs to.
-             * @type {!Blockly.IToolbox}
-             * @protected
-             */
-            parentToolbox_: Blockly.IToolbox;
-    
-            /**
-             * The workspace of the parent toolbox.
-             * @type {!Blockly.WorkspaceSvg}
-             * @protected
-             */
-            workspace_: Blockly.WorkspaceSvg;
-    
-            /**
-             * Initializes the toolbox item.
-             * This includes creating the dom and updating the state of any items based
-             * on the info object.
-             * @public
-             */
-            init(): void;
-    
-            /**
-             * Gets the div for the toolbox item.
-             * @return {?Element} The div for the toolbox item.
-             * @public
-             */
-            getDiv(): Element;
-    
-            /**
-             * Gets a unique identifier for this toolbox item.
-             * @return {string} The id for the toolbox item.
-             * @public
-             */
-            getId(): string;
-    
-            /**
-             * Gets the parent if the toolbox item is nested.
-             * @return {?Blockly.IToolboxItem} The parent toolbox item, or null if
-             *     this toolbox item is not nested.
-             * @public
-             */
-            getParent(): Blockly.IToolboxItem;
-    
-            /**
-             * Gets the nested level of the category.
-             * @return {number} The nested level of the category.
-             * @package
-             */
-            getLevel(): number;
-    
-            /**
-             * Whether the toolbox item is selectable.
-             * @return {boolean} True if the toolbox item can be selected.
-             * @public
-             */
-            isSelectable(): boolean;
-    
-            /**
-             * Whether the toolbox item is collapsible.
-             * @return {boolean} True if the toolbox item is collapsible.
-             * @public
-             */
-            isCollapsible(): boolean;
-    
-            /**
-             * Dispose of this toolbox item. No-op by default.
-             * @public
-             */
-            dispose(): void;
-    } 
-    
-}
-
-
-declare module Blockly.utils.aria {
-
-    /**
-     * ARIA role values.
-     * Copied from Closure's goog.a11y.aria.Role
-     * @enum {string}
-     */
-    enum Role { GRID, GRIDCELL, GROUP, LISTBOX, MENU, MENUITEM, MENUITEMCHECKBOX, OPTION, PRESENTATION, ROW, TREE, TREEITEM } 
-
-    /**
-     * ARIA states and properties.
-     * Copied from Closure's goog.a11y.aria.State
-     * @enum {string}
-     */
-    enum State { ACTIVEDESCENDANT, COLCOUNT, DISABLED, EXPANDED, INVALID, LABEL, LABELLEDBY, LEVEL, ORIENTATION, POSINSET, ROWCOUNT, SELECTED, SETSIZE, VALUEMAX, VALUEMIN } 
-
-    /**
-     * Sets the role of an element.
-     *
-     * Similar to Closure's goog.a11y.aria
-     *
-     * @param {!Element} element DOM node to set role of.
-     * @param {!Blockly.utils.aria.Role} roleName Role name.
-     */
-    function setRole(element: Element, roleName: Blockly.utils.aria.Role): void;
-
-    /**
-     * Sets the state or property of an element.
-     * Copied from Closure's goog.a11y.aria
-     * @param {!Element} element DOM node where we set state.
-     * @param {!Blockly.utils.aria.State} stateName State attribute being set.
-     *     Automatically adds prefix 'aria-' to the state name if the attribute is
-     *     not an extra attribute.
-     * @param {string|boolean|number|!Array.<string>} value Value
-     * for the state attribute.
-     */
-    function setState(element: Element, stateName: Blockly.utils.aria.State, value: string|boolean|number|string[]): void;
-}
-
-
-declare module Blockly.utils.colour {
-
-    /**
-     * Parses a colour from a string.
-     * .parse('red') -> '#ff0000'
-     * .parse('#f00') -> '#ff0000'
-     * .parse('#ff0000') -> '#ff0000'
-     * .parse('0xff0000') -> '#ff0000'
-     * .parse('rgb(255, 0, 0)') -> '#ff0000'
-     * @param {string|number} str Colour in some CSS format.
-     * @return {?string} A string containing a hex representation of the colour,
-     *   or null if can't be parsed.
-     */
-    function parse(str: string|number): string;
-
-    /**
-     * Converts a colour from RGB to hex representation.
-     * @param {number} r Amount of red, int between 0 and 255.
-     * @param {number} g Amount of green, int between 0 and 255.
-     * @param {number} b Amount of blue, int between 0 and 255.
-     * @return {string} Hex representation of the colour.
-     */
-    function rgbToHex(r: number, g: number, b: number): string;
-
-    /**
-     * Converts a colour to RGB.
-     * @param {string} colour String representing colour in any
-     *     colour format ('#ff0000', 'red', '0xff000', etc).
-     * @return {!Array.<number>} RGB representation of the colour.
-     */
-    function hexToRgb(colour: string): number[];
-
-    /**
-     * Converts an HSV triplet to hex representation.
-     * @param {number} h Hue value in [0, 360].
-     * @param {number} s Saturation value in [0, 1].
-     * @param {number} v Brightness in [0, 255].
-     * @return {string} Hex representation of the colour.
-     */
-    function hsvToHex(h: number, s: number, v: number): string;
-
-    /**
-     * Blend two colours together, using the specified factor to indicate the
-     * weight given to the first colour.
-     * @param {string} colour1 First colour.
-     * @param {string} colour2 Second colour.
-     * @param {number} factor The weight to be given to colour1 over colour2.
-     *     Values should be in the range [0, 1].
-     * @return {?string} Combined colour represented in hex.
-     */
-    function blend(colour1: string, colour2: string, factor: number): string;
-
-    /**
-     * A map that contains the 16 basic colour keywords as defined by W3C:
-     * https://www.w3.org/TR/2018/REC-css-color-3-20180619/#html4
-     * The keys of this map are the lowercase "readable" names of the colours,
-     * while the values are the "hex" values.
-     *
-     * @type {!Object<string, string>}
-     */
-    var names: { [key: string]: string };
-}
-
-
-declare module Blockly.utils {
-
-    class Coordinate extends Coordinate__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Coordinate__Class  { 
-    
-            /**
-             * Class for representing coordinates and positions.
-             * @param {number} x Left.
-             * @param {number} y Top.
-             * @struct
-             * @constructor
-             */
-            constructor(x: number, y: number);
-    
-            /**
-             * X-value
-             * @type {number}
-             */
-            x: number;
-    
-            /**
-             * Y-value
-             * @type {number}
-             */
-            y: number;
-    
-            /**
-             * Scales this coordinate by the given scale factor.
-             * @param {number} s The scale factor to use for both x and y dimensions.
-             * @return {!Blockly.utils.Coordinate} This coordinate after scaling.
-             */
-            scale(s: number): Blockly.utils.Coordinate;
-    
-            /**
-             * Translates this coordinate by the given offsets.
-             * respectively.
-             * @param {number} tx The value to translate x by.
-             * @param {number} ty The value to translate y by.
-             * @return {!Blockly.utils.Coordinate} This coordinate after translating.
-             */
-            translate(tx: number, ty: number): Blockly.utils.Coordinate;
-    } 
-    
-}
-
-declare module Blockly.utils.Coordinate {
-
-    /**
-     * Compares coordinates for equality.
-     * @param {Blockly.utils.Coordinate} a A Coordinate.
-     * @param {Blockly.utils.Coordinate} b A Coordinate.
-     * @return {boolean} True iff the coordinates are equal, or if both are null.
-     */
-    function equals(a: Blockly.utils.Coordinate, b: Blockly.utils.Coordinate): boolean;
-
-    /**
-     * Returns the distance between two coordinates.
-     * @param {!Blockly.utils.Coordinate} a A Coordinate.
-     * @param {!Blockly.utils.Coordinate} b A Coordinate.
-     * @return {number} The distance between `a` and `b`.
-     */
-    function distance(a: Blockly.utils.Coordinate, b: Blockly.utils.Coordinate): number;
-
-    /**
-     * Returns the magnitude of a coordinate.
-     * @param {!Blockly.utils.Coordinate} a A Coordinate.
-     * @return {number} The distance between the origin and `a`.
-     */
-    function magnitude(a: Blockly.utils.Coordinate): number;
-
-    /**
-     * Returns the difference between two coordinates as a new
-     * Blockly.utils.Coordinate.
-     * @param {!Blockly.utils.Coordinate|!SVGPoint} a An x/y coordinate.
-     * @param {!Blockly.utils.Coordinate|!SVGPoint} b An x/y coordinate.
-     * @return {!Blockly.utils.Coordinate} A Coordinate representing the difference
-     *     between `a` and `b`.
-     */
-    function difference(a: Blockly.utils.Coordinate|SVGPoint, b: Blockly.utils.Coordinate|SVGPoint): Blockly.utils.Coordinate;
-
-    /**
-     * Returns the sum of two coordinates as a new Blockly.utils.Coordinate.
-     * @param {!Blockly.utils.Coordinate|!SVGPoint} a An x/y coordinate.
-     * @param {!Blockly.utils.Coordinate|!SVGPoint} b An x/y coordinate.
-     * @return {!Blockly.utils.Coordinate} A Coordinate representing the sum of
-     *     the two coordinates.
-     */
-    function sum(a: Blockly.utils.Coordinate|SVGPoint, b: Blockly.utils.Coordinate|SVGPoint): Blockly.utils.Coordinate;
-}
-
-
-declare module Blockly.utils.deprecation {
-
-    /**
-     * Warn developers that a function is deprecated.
-     * @param {string} functionName The name of the function.
-     * @param {string} deprecationDate The date when the function was deprecated.
-     *     Prefer 'month yyyy' or 'quarter yyyy' format.
-     * @param {string} deletionDate The date when the function will be deleted, in
-     *     the same format as the deprecation date.
-     * @param {string=} opt_use The name of a function to use instead, if any.
-     * @package
-     */
-    function warn(functionName: string, deprecationDate: string, deletionDate: string, opt_use?: string): void;
-}
-
-
-declare module Blockly.utils.dom {
-
-    /**
-     * Required name space for SVG elements.
-     * @const
-     */
-    var SVG_NS: any /*missing*/;
-
-    /**
-     * Required name space for HTML elements.
-     * @const
-     */
-    var HTML_NS: any /*missing*/;
-
-    /**
-     * Required name space for XLINK elements.
-     * @const
-     */
-    var XLINK_NS: any /*missing*/;
-
-    /**
-     * Node type constants.
-     * https://developer.mozilla.org/en-US/docs/Web/API/Node/nodeType
-     * @enum {number}
-     */
-    enum NodeType { ELEMENT_NODE, TEXT_NODE, COMMENT_NODE, DOCUMENT_POSITION_CONTAINED_BY } 
-
-    /**
-     * Helper method for creating SVG elements.
-     * @param {string|Blockly.utils.Svg<T>} name Element's tag name.
-     * @param {!Object} attrs Dictionary of attribute names and values.
-     * @param {Element=} opt_parent Optional parent on which to append the element.
-     * @return {T} Newly created SVG element.  The return type is {!SVGElement} if
-     *     name is a string or a more specific type if it a member of
-     *     Blockly.utils.Svg
-     * @template T
-     */
-    function createSvgElement<T>(name: string|Blockly.utils.Svg<T>, attrs: Object, opt_parent?: Element): T;
-
-    /**
-     * Add a CSS class to a element.
-     * Similar to Closure's goog.dom.classes.add, except it handles SVG elements.
-     * @param {!Element} element DOM element to add class to.
-     * @param {string} className Name of class to add.
-     * @return {boolean} True if class was added, false if already present.
-     */
-    function addClass(element: Element, className: string): boolean;
-
-    /**
-     * Removes multiple calsses from an element.
-     * @param {!Element} element DOM element to remove classes from.
-     * @param {string} classNames A string of one or multiple class names for an
-     *    element.
-     */
-    function removeClasses(element: Element, classNames: string): void;
-
-    /**
-     * Remove a CSS class from a element.
-     * Similar to Closure's goog.dom.classes.remove, except it handles SVG elements.
-     * @param {!Element} element DOM element to remove class from.
-     * @param {string} className Name of class to remove.
-     * @return {boolean} True if class was removed, false if never present.
-     */
-    function removeClass(element: Element, className: string): boolean;
-
-    /**
-     * Checks if an element has the specified CSS class.
-     * Similar to Closure's goog.dom.classes.has, except it handles SVG elements.
-     * @param {!Element} element DOM element to check.
-     * @param {string} className Name of class to check.
-     * @return {boolean} True if class exists, false otherwise.
-     */
-    function hasClass(element: Element, className: string): boolean;
-
-    /**
-     * Removes a node from its parent. No-op if not attached to a parent.
-     * @param {Node} node The node to remove.
-     * @return {Node} The node removed if removed; else, null.
-     */
-    function removeNode(node: Node): Node;
-
-    /**
-     * Insert a node after a reference node.
-     * Contrast with node.insertBefore function.
-     * @param {!Element} newNode New element to insert.
-     * @param {!Element} refNode Existing element to precede new node.
-     */
-    function insertAfter(newNode: Element, refNode: Element): void;
-
-    /**
-     * Whether a node contains another node.
-     * @param {!Node} parent The node that should contain the other node.
-     * @param {!Node} descendant The node to test presence of.
-     * @return {boolean} Whether the parent node contains the descendant node.
-     */
-    function containsNode(parent: Node, descendant: Node): boolean;
-
-    /**
-     * Sets the CSS transform property on an element. This function sets the
-     * non-vendor-prefixed and vendor-prefixed versions for backwards compatibility
-     * with older browsers. See https://caniuse.com/#feat=transforms2d
-     * @param {!Element} element Element to which the CSS transform will be applied.
-     * @param {string} transform The value of the CSS `transform` property.
-     */
-    function setCssTransform(element: Element, transform: string): void;
-
-    /**
-     * Start caching text widths. Every call to this function MUST also call
-     * stopTextWidthCache. Caches must not survive between execution threads.
-     */
-    function startTextWidthCache(): void;
-
-    /**
-     * Stop caching field widths. Unless caching was already on when the
-     * corresponding call to startTextWidthCache was made.
-     */
-    function stopTextWidthCache(): void;
-
-    /**
-     * Gets the width of a text element, caching it in the process.
-     * @param {!Element} textElement An SVG 'text' element.
-     * @return {number} Width of element.
-     */
-    function getTextWidth(textElement: Element): number;
-
-    /**
-     * Gets the width of a text element using a faster method than `getTextWidth`.
-     * This method requires that we know the text element's font family and size in
-     * advance. Similar to `getTextWidth`, we cache the width we compute.
-     * @param {!Element} textElement An SVG 'text' element.
-     * @param {number} fontSize The font size to use.
-     * @param {string} fontWeight The font weight to use.
-     * @param {string} fontFamily The font family to use.
-     * @return {number} Width of element.
-     */
-    function getFastTextWidth(textElement: Element, fontSize: number, fontWeight: string, fontFamily: string): number;
-
-    /**
-     * Gets the width of a text element using a faster method than `getTextWidth`.
-     * This method requires that we know the text element's font family and size in
-     * advance. Similar to `getTextWidth`, we cache the width we compute.
-     * This method is similar to ``getFastTextWidth`` but expects the font size
-     * parameter to be a string.
-     * @param {!Element} textElement An SVG 'text' element.
-     * @param {string} fontSize The font size to use.
-     * @param {string} fontWeight The font weight to use.
-     * @param {string} fontFamily The font family to use.
-     * @return {number} Width of element.
-     */
-    function getFastTextWidthWithSizeString(textElement: Element, fontSize: string, fontWeight: string, fontFamily: string): number;
-
-    /**
-     * Measure a font's metrics. The height and baseline values.
-     * @param {string} text Text to measure the font dimensions of.
-     * @param {string} fontSize The font size to use.
-     * @param {string} fontWeight The font weight to use.
-     * @param {string} fontFamily The font family to use.
-     * @return {{height: number, baseline: number}} Font measurements.
-     */
-    function measureFontMetrics(text: string, fontSize: string, fontWeight: string, fontFamily: string): { height: number; baseline: number };
-}
-
-
-declare module Blockly.utils {
-
-    /**
-     * Reference to the global object.
-     *
-     * More info on this implementation here:
-     * https://docs.google.com/document/d/1NAeW4Wk7I7FV0Y2tcUFvQdGMc89k2vdgSXInw8_nvCI/edit
-     */
-    var global: any /*missing*/;
-}
-
-
-declare module Blockly.utils.IdGenerator {
-
-    /**
-     * Gets the next unique ID.
-     * IDs are compatible with the HTML4 id attribute restrictions:
-     * Use only ASCII letters, digits, '_', '-' and '.'
-     * @return {string} The next unique identifier.
-     */
-    function getNextUniqueId(): string;
-}
-
-
-declare module Blockly.utils {
-
-    /**
-     * Key codes for common characters.
-     *
-     * Copied from Closure's goog.events.KeyCodes
-     *
-     * This list is not localized and therefore some of the key codes are not
-     * correct for non US keyboard layouts. See comments below.
-     *
-     * @enum {number}
-     */
-    enum KeyCodes { WIN_KEY_FF_LINUX, MAC_ENTER, BACKSPACE, TAB, NUM_CENTER, ENTER, SHIFT, CTRL, ALT, PAUSE, CAPS_LOCK, ESC, SPACE, PAGE_UP, PAGE_DOWN, END, HOME, LEFT, UP, RIGHT, DOWN, PLUS_SIGN, PRINT_SCREEN, INSERT, DELETE, ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, FF_SEMICOLON, FF_EQUALS, FF_DASH, FF_HASH, QUESTION_MARK, AT_SIGN, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z, META, WIN_KEY_RIGHT, CONTEXT_MENU, NUM_ZERO, NUM_ONE, NUM_TWO, NUM_THREE, NUM_FOUR, NUM_FIVE, NUM_SIX, NUM_SEVEN, NUM_EIGHT, NUM_NINE, NUM_MULTIPLY, NUM_PLUS, NUM_MINUS, NUM_PERIOD, NUM_DIVISION, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, NUMLOCK, SCROLL_LOCK, FIRST_MEDIA_KEY, LAST_MEDIA_KEY, SEMICOLON, DASH, EQUALS, COMMA, PERIOD, SLASH, APOSTROPHE, TILDE, SINGLE_QUOTE, OPEN_SQUARE_BRACKET, BACKSLASH, CLOSE_SQUARE_BRACKET, WIN_KEY, MAC_FF_META, MAC_WK_CMD_LEFT, MAC_WK_CMD_RIGHT, WIN_IME, VK_NONAME, PHANTOM } 
-}
-
-
-declare module Blockly.utils.math {
-
-    /**
-     * Converts degrees to radians.
-     * Copied from Closure's goog.math.toRadians.
-     * @param {number} angleDegrees Angle in degrees.
-     * @return {number} Angle in radians.
-     */
-    function toRadians(angleDegrees: number): number;
-
-    /**
-     * Converts radians to degrees.
-     * Copied from Closure's goog.math.toDegrees.
-     * @param {number} angleRadians Angle in radians.
-     * @return {number} Angle in degrees.
-     */
-    function toDegrees(angleRadians: number): number;
-
-    /**
-     * Clamp the provided number between the lower bound and the upper bound.
-     * @param {number} lowerBound The desired lower bound.
-     * @param {number} number The number to clamp.
-     * @param {number} upperBound The desired upper bound.
-     * @return {number} The clamped number.
-     */
-    function clamp(lowerBound: number, number: number, upperBound: number): number;
-}
-
-
-declare module Blockly.utils {
-
-    /**
-     * @record
-     */
-    function Metrics(): void;
-}
-
-
-declare module Blockly.utils.object {
-
-    /**
-     * Inherit the prototype methods from one constructor into another.
-     *
-     * @param {!Function} childCtor Child class.
-     * @param {!Function} parentCtor Parent class.
-     * @suppress {strictMissingProperties} superClass_ is not defined on Function.
-     */
-    function inherits(childCtor: Function, parentCtor: Function): void;
-
-    /**
-     * Copies all the members of a source object to a target object.
-     * @param {!Object} target Target.
-     * @param {!Object} source Source.
-     */
-    function mixin(target: Object, source: Object): void;
-
-    /**
-     * Complete a deep merge of all members of a source object with a target object.
-     * @param {!Object} target Target.
-     * @param {!Object} source Source.
-     * @return {!Object} The resulting object.
-     */
-    function deepMerge(target: Object, source: Object): Object;
-
-    /**
-     * Returns an array of a given object's own enumerable property values.
-     * @param {!Object} obj Object containing values.
-     * @return {!Array} Array of values.
-     */
-    function values(obj: Object): any[];
-}
-
-
-declare module Blockly.utils {
-
-    class Rect extends Rect__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Rect__Class  { 
-    
-            /**
-             * Class for representing rectangular regions.
-             * @param {number} top Top.
-             * @param {number} bottom Bottom.
-             * @param {number} left Left.
-             * @param {number} right Right.
-             * @struct
-             * @constructor
-             */
-            constructor(top: number, bottom: number, left: number, right: number);
-    
-            /** @type {number} */
-            top: number;
-    
-            /** @type {number} */
-            bottom: number;
-    
-            /** @type {number} */
-            left: number;
-    
-            /** @type {number} */
-            right: number;
-    
-            /**
-             * Tests whether this rectangle contains a x/y coordinate.
-             *
-             * @param {number} x The x coordinate to test for containment.
-             * @param {number} y The y coordinate to test for containment.
-             * @return {boolean} Whether this rectangle contains given coordinate.
-             */
-            contains(x: number, y: number): boolean;
-    } 
-    
-}
-
-
-declare module Blockly.utils {
-
-    class Size extends Size__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Size__Class  { 
-    
-            /**
-             * Class for representing sizes consisting of a width and height.
-             * @param {number} width Width.
-             * @param {number} height Height.
-             * @struct
-             * @constructor
-             */
-            constructor(width: number, height: number);
-    
-            /**
-             * Width
-             * @type {number}
-             */
-            width: number;
-    
-            /**
-             * Height
-             * @type {number}
-             */
-            height: number;
-    } 
-    
-}
-
-declare module Blockly.utils.Size {
-
-    /**
-     * Compares sizes for equality.
-     * @param {Blockly.utils.Size} a A Size.
-     * @param {Blockly.utils.Size} b A Size.
-     * @return {boolean} True iff the sizes have equal widths and equal
-     *     heights, or if both are null.
-     */
-    function equals(a: Blockly.utils.Size, b: Blockly.utils.Size): boolean;
-}
-
-
-declare module Blockly.utils._string {
-
-    /**
-     * Fast prefix-checker.
-     * Copied from Closure's goog.string.startsWith.
-     * @param {string} str The string to check.
-     * @param {string} prefix A string to look for at the start of `str`.
-     * @return {boolean} True if `str` begins with `prefix`.
-     */
-    function startsWith(str: string, prefix: string): boolean;
-
-    /**
-     * Given an array of strings, return the length of the shortest one.
-     * @param {!Array.<string>} array Array of strings.
-     * @return {number} Length of shortest string.
-     */
-    function shortestStringLength(array: string[]): number;
-
-    /**
-     * Given an array of strings, return the length of the common prefix.
-     * Words may not be split.  Any space after a word is included in the length.
-     * @param {!Array.<string>} array Array of strings.
-     * @param {number=} opt_shortest Length of shortest string.
-     * @return {number} Length of common prefix.
-     */
-    function commonWordPrefix(array: string[], opt_shortest?: number): number;
-
-    /**
-     * Given an array of strings, return the length of the common suffix.
-     * Words may not be split.  Any space after a word is included in the length.
-     * @param {!Array.<string>} array Array of strings.
-     * @param {number=} opt_shortest Length of shortest string.
-     * @return {number} Length of common suffix.
-     */
-    function commonWordSuffix(array: string[], opt_shortest?: number): number;
-
-    /**
-     * Wrap text to the specified width.
-     * @param {string} text Text to wrap.
-     * @param {number} limit Width to wrap each line.
-     * @return {string} Wrapped text.
-     */
-    function wrap(text: string, limit: number): string;
-}
-
-
-declare module Blockly.utils.style {
-
-    /**
-     * Gets the height and width of an element.
-     * Similar to Closure's goog.style.getSize
-     * @param {!Element} element Element to get size of.
-     * @return {!Blockly.utils.Size} Object with width/height properties.
-     */
-    function getSize(element: Element): Blockly.utils.Size;
-
-    /**
-     * Retrieves a computed style value of a node. It returns empty string if the
-     * value cannot be computed (which will be the case in Internet Explorer) or
-     * "none" if the property requested is an SVG one and it has not been
-     * explicitly set (firefox and webkit).
-     *
-     * Copied from Closure's goog.style.getComputedStyle
-     *
-     * @param {!Element} element Element to get style of.
-     * @param {string} property Property to get (camel-case).
-     * @return {string} Style value.
-     */
-    function getComputedStyle(element: Element, property: string): string;
-
-    /**
-     * Gets the cascaded style value of a node, or null if the value cannot be
-     * computed (only Internet Explorer can do this).
-     *
-     * Copied from Closure's goog.style.getCascadedStyle
-     *
-     * @param {!Element} element Element to get style of.
-     * @param {string} style Property to get (camel-case).
-     * @return {string} Style value.
-     */
-    function getCascadedStyle(element: Element, style: string): string;
-
-    /**
-     * Returns a Coordinate object relative to the top-left of the HTML document.
-     * Similar to Closure's goog.style.getPageOffset
-     * @param {!Element} el Element to get the page offset for.
-     * @return {!Blockly.utils.Coordinate} The page offset.
-     */
-    function getPageOffset(el: Element): Blockly.utils.Coordinate;
-
-    /**
-     * Calculates the viewport coordinates relative to the document.
-     * Similar to Closure's goog.style.getViewportPageOffset
-     * @return {!Blockly.utils.Coordinate} The page offset of the viewport.
-     */
-    function getViewportPageOffset(): Blockly.utils.Coordinate;
-
-    /**
-     * Shows or hides an element from the page. Hiding the element is done by
-     * setting the display property to "none", removing the element from the
-     * rendering hierarchy so it takes up no space. To show the element, the default
-     * inherited display property is restored (defined either in stylesheets or by
-     * the browser's default style rules).
-     * Copied from Closure's goog.style.getViewportPageOffset
-     *
-     * @param {!Element} el Element to show or hide.
-     * @param {*} isShown True to render the element in its default style,
-     *     false to disable rendering the element.
-     */
-    function setElementShown(el: Element, isShown: any): void;
-
-    /**
-     * Returns true if the element is using right to left (RTL) direction.
-     * Copied from Closure's goog.style.isRightToLeft
-     *
-     * @param {!Element} el The element to test.
-     * @return {boolean} True for right to left, false for left to right.
-     */
-    function isRightToLeft(el: Element): boolean;
-
-    /**
-     * Gets the computed border widths (on all sides) in pixels
-     * Copied from Closure's goog.style.getBorderBox
-     * @param {!Element} element  The element to get the border widths for.
-     * @return {!Object} The computed border widths.
-     */
-    function getBorderBox(element: Element): Object;
-
-    /**
-     * Changes the scroll position of `container` with the minimum amount so
-     * that the content and the borders of the given `element` become visible.
-     * If the element is bigger than the container, its top left corner will be
-     * aligned as close to the container's top left corner as possible.
-     * Copied from Closure's goog.style.scrollIntoContainerView
-     *
-     * @param {!Element} element The element to make visible.
-     * @param {!Element} container The container to scroll. If not set, then the
-     *     document scroll element will be used.
-     * @param {boolean=} opt_center Whether to center the element in the container.
-     *     Defaults to false.
-     */
-    function scrollIntoContainerView(element: Element, container: Element, opt_center?: boolean): void;
-
-    /**
-     * Calculate the scroll position of `container` with the minimum amount so
-     * that the content and the borders of the given `element` become visible.
-     * If the element is bigger than the container, its top left corner will be
-     * aligned as close to the container's top left corner as possible.
-     * Copied from Closure's goog.style.getContainerOffsetToScrollInto
-     *
-     * @param {!Element} element The element to make visible.
-     * @param {!Element} container The container to scroll. If not set, then the
-     *     document scroll element will be used.
-     * @param {boolean=} opt_center Whether to center the element in the container.
-     *     Defaults to false.
-     * @return {!Blockly.utils.Coordinate} The new scroll position of the container,
-     *     in form of goog.math.Coordinate(scrollLeft, scrollTop).
-     */
-    function getContainerOffsetToScrollInto(element: Element, container: Element, opt_center?: boolean): Blockly.utils.Coordinate;
-}
-
-
-declare module Blockly.utils {
-
-    class Svg<T> extends Svg__Class<T> { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Svg__Class<T>  { 
-    
-            /**
-             * A name with the type of the SVG element stored in the generic.
-             * @param {string} tagName The SVG element tag name.
-             * @constructor
-             * @template T
-             * @private
-             */
-            constructor(tagName: string);
-    } 
-    
-}
-
-declare module Blockly.utils.Svg {
-
-    /** @type {!Blockly.utils.Svg<!SVGAnimateElement>}
-     * @package
-     */
-    var ANIMATE: Blockly.utils.Svg<SVGAnimateElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGCircleElement>}
-    * @package
-     */
-    var CIRCLE: Blockly.utils.Svg<SVGCircleElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGClipPathElement>}
-     * @package
-     */
-    var CLIPPATH: Blockly.utils.Svg<SVGClipPathElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGDefsElement>}
-     * @package
-     */
-    var DEFS: Blockly.utils.Svg<SVGDefsElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGFECompositeElement>}
-     * @package
-     */
-    var FECOMPOSITE: Blockly.utils.Svg<SVGFECompositeElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGFEComponentTransferElement>}
-     * @package
-     */
-    var FECOMPONENTTRANSFER: Blockly.utils.Svg<SVGFEComponentTransferElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGFEFloodElement>}
-     * @package
-     */
-    var FEFLOOD: Blockly.utils.Svg<SVGFEFloodElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGFEFuncAElement>}
-     * @package
-     */
-    var FEFUNCA: Blockly.utils.Svg<SVGFEFuncAElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGFEGaussianBlurElement>}
-     * @package
-     */
-    var FEGAUSSIANBLUR: Blockly.utils.Svg<SVGFEGaussianBlurElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGFEPointLightElement>}
-     * @package
-     */
-    var FEPOINTLIGHT: Blockly.utils.Svg<SVGFEPointLightElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGFESpecularLightingElement>}
-     * @package
-     */
-    var FESPECULARLIGHTING: Blockly.utils.Svg<SVGFESpecularLightingElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGFilterElement>}
-     * @package
-     */
-    var FILTER: Blockly.utils.Svg<SVGFilterElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGForeignObjectElement>}
-     * @package
-     */
-    var FOREIGNOBJECT: Blockly.utils.Svg<SVGForeignObjectElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGGElement>}
-     * @package
-     */
-    var G: Blockly.utils.Svg<SVGGElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGImageElement>}
-     * @package
-     */
-    var IMAGE: Blockly.utils.Svg<SVGImageElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGLineElement>}
-     * @package
-     */
-    var LINE: Blockly.utils.Svg<SVGLineElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGPathElement>}
-     * @package
-     */
-    var PATH: Blockly.utils.Svg<SVGPathElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGPatternElement>}
-     * @package
-     */
-    var PATTERN: Blockly.utils.Svg<SVGPatternElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGPolygonElement>}
-     * @package
-     */
-    var POLYGON: Blockly.utils.Svg<SVGPolygonElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGRectElement>}
-     * @package
-     */
-    var RECT: Blockly.utils.Svg<SVGRectElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGSVGElement>}
-     * @package
-     */
-    var SVG: Blockly.utils.Svg<SVGSVGElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGTextElement>}
-     * @package
-     */
-    var TEXT: Blockly.utils.Svg<SVGTextElement>;
-
-    /** @type {!Blockly.utils.Svg<!SVGTSpanElement>}
-     * @package
-     */
-    var TSPAN: Blockly.utils.Svg<SVGTSpanElement>;
-}
-
-
-declare module Blockly.utils.svgPaths {
-
-    /**
-     * Create a string representing the given x, y pair.  It does not matter whether
-     * the coordinate is relative or absolute.  The result has leading
-     * and trailing spaces, and separates the x and y coordinates with a comma but
-     * no space.
-     * @param {number} x The x coordinate.
-     * @param {number} y The y coordinate.
-     * @return {string} A string of the format ' x,y '
-     * @public
-     */
-    function point(x: number, y: number): string;
-
-    /**
-     * Draw a cubic or quadratic curve.  See
-     * developer.mozilla.org/en-US/docs/Web/SVG/Attribute/d#Cubic_B%C3%A9zier_Curve
-     * These coordinates are unitless and hence in the user coordinate system.
-     * @param {string} command The command to use.
-     *     Should be one of: c, C, s, S, q, Q.
-     * @param {!Array.<string>} points  An array containing all of the points to pass to the
-     *     curve command, in order.  The points are represented as strings of the
-     *     format ' x, y '.
-     * @return {string} A string defining one or more Bezier curves.  See the MDN
-     *     documentation for exact format.
-     * @public
-     */
-    function curve(command: string, points: string[]): string;
-
-    /**
-     * Move the cursor to the given position without drawing a line.
-     * The coordinates are absolute.
-     * These coordinates are unitless and hence in the user coordinate system.
-     * See developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths#Line_commands
-     * @param {number} x The absolute x coordinate.
-     * @param {number} y The absolute y coordinate.
-     * @return {string} A string of the format ' M x,y '
-     * @public
-     */
-    function moveTo(x: number, y: number): string;
-
-    /**
-     * Move the cursor to the given position without drawing a line.
-     * Coordinates are relative.
-     * These coordinates are unitless and hence in the user coordinate system.
-     * See developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths#Line_commands
-     * @param {number} dx The relative x coordinate.
-     * @param {number} dy The relative y coordinate.
-     * @return {string} A string of the format ' m dx,dy '
-     * @public
-     */
-    function moveBy(dx: number, dy: number): string;
-
-    /**
-     * Draw a line from the current point to the end point, which is the current
-     * point shifted by dx along the x-axis and dy along the y-axis.
-     * These coordinates are unitless and hence in the user coordinate system.
-     * See developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths#Line_commands
-     * @param {number} dx The relative x coordinate.
-     * @param {number} dy The relative y coordinate.
-     * @return {string} A string of the format ' l dx,dy '
-     * @public
-     */
-    function lineTo(dx: number, dy: number): string;
-
-    /**
-     * Draw multiple lines connecting all of the given points in order.  This is
-     * equivalent to a series of 'l' commands.
-     * These coordinates are unitless and hence in the user coordinate system.
-     * See developer.mozilla.org/en-US/docs/Web/SVG/Tutorial/Paths#Line_commands
-     * @param {!Array.<string>} points An array containing all of the points to
-     *     draw lines to, in order.  The points are represented as strings of the
-     *     format ' dx,dy '.
-     * @return {string} A string of the format ' l (dx,dy)+ '
-     * @public
-     */
-    function line(points: string[]): string;
-
-    /**
-     * Draw a horizontal or vertical line.
-     * The first argument specifies the direction and whether the given position is
-     * relative or absolute.
-     * These coordinates are unitless and hence in the user coordinate system.
-     * See developer.mozilla.org/en-US/docs/Web/SVG/Attribute/d#LineTo_path_commands
-     * @param {string} command The command to prepend to the coordinate.  This
-     *     should be one of: V, v, H, h.
-     * @param {number} val The coordinate to pass to the command.  It may be
-     *     absolute or relative.
-     * @return {string} A string of the format ' command val '
-     * @public
-     */
-    function lineOnAxis(command: string, val: number): string;
-
-    /**
-     * Draw an elliptical arc curve.
-     * These coordinates are unitless and hence in the user coordinate system.
-     * See developer.mozilla.org/en-US/docs/Web/SVG/Attribute/d#Elliptical_Arc_Curve
-     * @param {string} command The command string.  Either 'a' or 'A'.
-     * @param {string} flags The flag string.  See the MDN documentation for a
-     *     description and examples.
-     * @param {number} radius The radius of the arc to draw.
-     * @param {string} point The point to move the cursor to after drawing the arc,
-     *     specified either in absolute or relative coordinates depending on the
-     *     command.
-     * @return {string} A string of the format 'command radius radius flags point'
-     * @public
-     */
-    function arc(command: string, flags: string, radius: number, point: string): string;
-}
-
-
-declare module Blockly.utils.toolbox {
-
-    /**
-     * The information needed to create a block in the toolbox.
-     * @typedef {{
-     *            kind:string,
-     *            blockxml:(?string|Node),
-     *            type: ?string,
-     *            gap: (?string|?number),
-     *            disabled: (?string|?boolean)
-     *          }}
-     */
-    interface BlockInfo {
-        kind: string;
-        blockxml: string|Node;
-        type: string;
-        gap: string|number;
-        disabled: string|boolean
-    }
-
-    /**
-     * The information needed to create a separator in the toolbox.
-     * @typedef {{
-     *            kind:string,
-     *            id:?string,
-     *            gap:?number,
-     *            cssconfig:?Blockly.ToolboxSeparator.CssConfig
-     *          }}
-     */
-    interface SeparatorInfo {
-        kind: string;
-        id: string;
-        gap: number;
-        cssconfig: Blockly.ToolboxSeparator.CssConfig
-    }
-
-    /**
-     * The information needed to create a button in the toolbox.
-     * @typedef {{
-     *            kind:string,
-     *            text:string,
-     *            callbackkey:string
-     *          }}
-     */
-    interface ButtonInfo {
-        kind: string;
-        text: string;
-        callbackkey: string
-    }
-
-    /**
-     * The information needed to create a label in the toolbox.
-     * @typedef {{
-     *            kind:string,
-     *            id:?string,
-     *            text:string
-     *          }}
-     */
-    interface LabelInfo {
-        kind: string;
-        id: string;
-        text: string
-    }
-
-    /**
-     * The information needed to create either a button or a label in the flyout.
-     * @typedef {Blockly.utils.toolbox.ButtonInfo|
-     *           Blockly.utils.toolbox.LabelInfo}
-     */
-    type ButtonOrLabelInfo = Blockly.utils.toolbox.ButtonInfo|Blockly.utils.toolbox.LabelInfo;
-
-    /**
-     * The information needed to create a category in the toolbox.
-     * @typedef {{
-     *            kind:string,
-     *            name:string,
-     *            id:?string,
-     *            categorystyle:?string,
-     *            colour:?string,
-     *            cssconfig:?Blockly.ToolboxCategory.CssConfig,
-     *            contents:!Array<Blockly.utils.toolbox.ToolboxItemInfo>,
-     *            hidden:?string
-     *          }}
-     */
-    interface StaticCategoryInfo {
-        kind: string;
-        name: string;
-        id: string;
-        categorystyle: string;
-        colour: string;
-        cssconfig: Blockly.ToolboxCategory.CssConfig;
-        contents: Blockly.utils.toolbox.ToolboxItemInfo[];
-        hidden: string
-    }
-
-    /**
-     * The information needed to create a custom category.
-     * @typedef {{
-     *            kind:string,
-     *            custom:string,
-     *            id:?string,
-     *            categorystyle:?string,
-     *            colour:?string,
-     *            cssconfig:?Blockly.ToolboxCategory.CssConfig,
-     *            hidden:?string
-     *          }}
-     */
-    interface DynamicCategoryInfo {
-        kind: string;
-        custom: string;
-        id: string;
-        categorystyle: string;
-        colour: string;
-        cssconfig: Blockly.ToolboxCategory.CssConfig;
-        hidden: string
-    }
-
-    /**
-     * The information needed to create either a dynamic or static category.
-     * @typedef {Blockly.utils.toolbox.StaticCategoryInfo|
-     *           Blockly.utils.toolbox.DynamicCategoryInfo}
-     */
-    type CategoryInfo = Blockly.utils.toolbox.StaticCategoryInfo|Blockly.utils.toolbox.DynamicCategoryInfo;
-
-    /**
-     * Any information that can be used to create an item in the toolbox.
-     * @typedef {Blockly.utils.toolbox.FlyoutItemInfo|
-     *           Blockly.utils.toolbox.StaticCategoryInfo}
-     */
-    type ToolboxItemInfo = Blockly.utils.toolbox.FlyoutItemInfo|Blockly.utils.toolbox.StaticCategoryInfo;
-
-    /**
-     * All the different types that can be displayed in a flyout.
-     * @typedef {Blockly.utils.toolbox.BlockInfo|
-     *           Blockly.utils.toolbox.SeparatorInfo|
-     *           Blockly.utils.toolbox.ButtonInfo|
-     *           Blockly.utils.toolbox.LabelInfo|
-     *           Blockly.utils.toolbox.DynamicCategoryInfo}
-     */
-    type FlyoutItemInfo = Blockly.utils.toolbox.BlockInfo|Blockly.utils.toolbox.SeparatorInfo|Blockly.utils.toolbox.ButtonInfo|Blockly.utils.toolbox.LabelInfo|Blockly.utils.toolbox.DynamicCategoryInfo;
-
-    /**
-     * The JSON definition of a toolbox.
-     * @typedef {{
-     *            contents:!Array<Blockly.utils.toolbox.ToolboxItemInfo>
-     *          }}
-     */
-    interface ToolboxInfo {
-        contents: Blockly.utils.toolbox.ToolboxItemInfo[]
-    }
-
-    /**
-     * An array holding flyout items.
-     * @typedef {
-     *            Array<!Blockly.utils.toolbox.FlyoutItemInfo>
-     *          }
-     */
-    interface FlyoutItemInfoArray extends Array<Blockly.utils.toolbox.FlyoutItemInfo> { }
-
-    /**
-     * All of the different types that can create a toolbox.
-     * @typedef {Node|
-     *           Blockly.utils.toolbox.ToolboxInfo|
-     *           string}
-     */
-    type ToolboxDefinition = Node|Blockly.utils.toolbox.ToolboxInfo|string;
-
-    /**
-     * All of the different types that can be used to show items in a flyout.
-     * @typedef {Blockly.utils.toolbox.FlyoutItemInfoArray|
-     *           NodeList|
-     *           Blockly.utils.toolbox.ToolboxInfo|
-     *           Array<!Node>}
-     */
-    type FlyoutDefinition = Blockly.utils.toolbox.FlyoutItemInfoArray|NodeList|Blockly.utils.toolbox.ToolboxInfo|Node[];
-
-    /**
-     * The name used to identify a toolbox that has category like items.
-     * This only needs to be used if a toolbox wants to be treated like a category
-     * toolbox but does not actually contain any toolbox items with the kind
-     * 'category'.
-     * @const {string}
-     */
-    var CATEGORY_TOOLBOX_KIND: any /*missing*/;
-
-    /**
-     * The name used to identify a toolbox that has no categories and is displayed
-     * as a simple flyout displaying blocks, buttons, or labels.
-     * @const {string}
-     */
-    var FLYOUT_TOOLBOX_KIND: any /*missing*/;
-
-    /**
-     * Position of the the toolbox relative to the flyout.
-     * @enum {number}
-     */
-    enum Position { TOP, BOTTOM, LEFT, RIGHT } 
-
-    /**
-     * Converts the toolbox definition into toolbox JSON.
-     * @param {?Blockly.utils.toolbox.ToolboxDefinition} toolboxDef The definition
-     *     of the toolbox in one of its many forms.
-     * @return {?Blockly.utils.toolbox.ToolboxInfo} Object holding information
-     *     for creating a toolbox.
-     * @package
-     */
-    function convertToolboxDefToJson(toolboxDef: Blockly.utils.toolbox.ToolboxDefinition): Blockly.utils.toolbox.ToolboxInfo;
-
-    /**
-     * Converts the flyout definition into a list of flyout items.
-     * @param {?Blockly.utils.toolbox.FlyoutDefinition} flyoutDef The definition of
-     *    the flyout in one of its many forms.
-     * @return {!Blockly.utils.toolbox.FlyoutItemInfoArray} A list of flyout items.
-     * @package
-     */
-    function convertFlyoutDefToJsonArray(flyoutDef: Blockly.utils.toolbox.FlyoutDefinition): Blockly.utils.toolbox.FlyoutItemInfoArray;
-
-    /**
-     * Whether or not the toolbox definition has categories.
-     * @param {?Blockly.utils.toolbox.ToolboxInfo} toolboxJson Object holding
-     *     information for creating a toolbox.
-     * @return {boolean} True if the toolbox has categories.
-     * @package
-     */
-    function hasCategories(toolboxJson: Blockly.utils.toolbox.ToolboxInfo): boolean;
-
-    /**
-     * Whether or not the category is collapsible.
-     * @param {!Blockly.utils.toolbox.CategoryInfo} categoryInfo Object holing
-     *    information for creating a category.
-     * @return {boolean} True if the category has subcategories.
-     * @package
-     */
-    function isCategoryCollapsible(categoryInfo: Blockly.utils.toolbox.CategoryInfo): boolean;
-
-    /**
-     * Parse the provided toolbox tree into a consistent DOM format.
-     * @param {?Node|?string} toolboxDef DOM tree of blocks, or text representation
-     *    of same.
-     * @return {?Node} DOM tree of blocks, or null.
-     */
-    function parseToolboxTree(toolboxDef: Node|string): Node;
-}
-
-
-declare module Blockly.utils.userAgent {
-
-    /** @const {boolean} */
-    var IE: any /*missing*/;
-
-    /** @const {boolean} */
-    var EDGE: any /*missing*/;
-
-    /** @const {boolean} */
-    var JAVA_FX: any /*missing*/;
-
-    /** @const {boolean} */
-    var CHROME: any /*missing*/;
-
-    /** @const {boolean} */
-    var WEBKIT: any /*missing*/;
-
-    /** @const {boolean} */
-    var GECKO: any /*missing*/;
-
-    /** @const {boolean} */
-    var ANDROID: any /*missing*/;
-
-    /** @const {boolean} */
-    var IPAD: any /*missing*/;
-
-    /** @const {boolean} */
-    var IPOD: any /*missing*/;
-
-    /** @const {boolean} */
-    var IPHONE: any /*missing*/;
-
-    /** @const {boolean} */
-    var MAC: any /*missing*/;
-
-    /** @const {boolean} */
-    var TABLET: any /*missing*/;
-
-    /** @const {boolean} */
-    var MOBILE: any /*missing*/;
-}
-
-
-declare module Blockly.utils.xml {
-
-    /**
-     * Namespace for Blockly's XML.
-     */
-    var NAME_SPACE: any /*missing*/;
-
-    /**
-     * Get the document object.  This method is overridden in the Node.js build of
-     * Blockly. See gulpfile.js, package-blockly-node task.
-     * @return {!Document} The document object.
-     * @public
-     */
-    function document(): Document;
-
-    /**
-     * Create DOM element for XML.
-     * @param {string} tagName Name of DOM element.
-     * @return {!Element} New DOM element.
-     * @public
-     */
-    function createElement(tagName: string): Element;
-
-    /**
-     * Create text element for XML.
-     * @param {string} text Text content.
-     * @return {!Text} New DOM text node.
-     * @public
-     */
-    function createTextNode(text: string): Text;
-
-    /**
-     * Converts an XML string into a DOM tree.
-     * @param {string} text XML string.
-     * @return {Document} The DOM document.
-     * @throws if XML doesn't parse.
-     * @public
-     */
-    function textToDomDocument(text: string): Document;
-
-    /**
-     * Converts a DOM structure into plain text.
-     * Currently the text format is fairly ugly: all one line with no whitespace.
-     * @param {!Node} dom A tree of XML nodes.
-     * @return {string} Text representation.
-     * @public
-     */
-    function domToText(dom: Node): string;
-}
-
-
-declare module Blockly.blockRendering {
-
-    /**
-     * Whether or not the debugger is turned on.
-     * @type {boolean}
-     * @package
-     */
-    var useDebugger: boolean;
-
-    /**
-     * Registers a new renderer.
-     * @param {string} name The name of the renderer.
-     * @param {!Function} rendererClass The new renderer class
-     *     to register.
-     * @throws {Error} if a renderer with the same name has already been registered.
-     */
-    function register(name: string, rendererClass: Function): void;
-
-    /**
-     * Unregisters the renderer registered with the given name.
-     * @param {string} name The name of the renderer.
-     */
-    function unregister(name: string): void;
-
-    /**
-     * Turn on the blocks debugger.
-     * @package
-     */
-    function startDebugger(): void;
-
-    /**
-     * Turn off the blocks debugger.
-     * @package
-     */
-    function stopDebugger(): void;
-
-    /**
-     * Initialize anything needed for rendering (constants, etc).
-     * @param {!string} name Name of the renderer to initialize.
-     * @param {!Blockly.Theme} theme The workspace theme object.
-     * @param {Object=} opt_rendererOverrides Rendering constant overrides.
-     * @return {!Blockly.blockRendering.Renderer} The new instance of a renderer.
-     *     Already initialized.
-     * @package
-     */
-    function init(name: string, theme: Blockly.Theme, opt_rendererOverrides?: Object): Blockly.blockRendering.Renderer;
-}
-
-
-declare module Blockly.blockRendering {
-
-    class ConstantProvider extends ConstantProvider__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class ConstantProvider__Class  { 
-    
-            /**
-             * An object that provides constants for rendering blocks.
-             * @constructor
-             * @package
-             */
-            constructor();
-    
-            /**
-             * The size of an empty spacer.
-             * @type {number}
-             */
-            NO_PADDING: number;
-    
-            /**
-             * The size of small padding.
-             * @type {number}
-             */
-            SMALL_PADDING: number;
-    
-            /**
-             * The size of medium padding.
-             * @type {number}
-             */
-            MEDIUM_PADDING: number;
-    
-            /**
-             * The size of medium-large padding.
-             * @type {number}
-             */
-            MEDIUM_LARGE_PADDING: number;
-    
-            /**
-             * The size of large padding.
-             * @type {number}
-             */
-            LARGE_PADDING: number;
-    
-            /**
-             * Offset from the top of the row for placing fields on inline input rows
-             * and statement input rows.
-             * Matches existing rendering (in 2019).
-             * @type {number}
-             */
-            TALL_INPUT_FIELD_OFFSET_Y: number;
-    
-            /**
-             * The height of the puzzle tab used for input and output connections.
-             * @type {number}
-             */
-            TAB_HEIGHT: number;
-    
-            /**
-             * The offset from the top of the block at which a puzzle tab is positioned.
-             * @type {number}
-             */
-            TAB_OFFSET_FROM_TOP: number;
-    
-            /**
-             * Vertical overlap of the puzzle tab, used to make it look more like a puzzle
-             * piece.
-             * @type {number}
-             */
-            TAB_VERTICAL_OVERLAP: number;
-    
-            /**
-             * The width of the puzzle tab used for input and output connections.
-             * @type {number}
-             */
-            TAB_WIDTH: number;
-    
-            /**
-             * The width of the notch used for previous and next connections.
-             * @type {number}
-             */
-            NOTCH_WIDTH: number;
-    
-            /**
-             * The height of the notch used for previous and next connections.
-             * @type {number}
-             */
-            NOTCH_HEIGHT: number;
-    
-            /**
-             * The minimum width of the block.
-             * @type {number}
-             */
-            MIN_BLOCK_WIDTH: number;
-    
-            /**
-             * The minimum height of a dummy input row.
-             * @type {number}
-             */
-            DUMMY_INPUT_MIN_HEIGHT: number;
-    
-            /**
-             * The minimum height of a dummy input row in a shadow block.
-             * @type {number}
-             */
-            DUMMY_INPUT_SHADOW_MIN_HEIGHT: number;
-    
-            /**
-             * Rounded corner radius.
-             * @type {number}
-             */
-            CORNER_RADIUS: number;
-    
-            /**
-             * Offset from the left side of a block or the inside of a statement input to
-             * the left side of the notch.
-             * @type {number}
-             */
-            NOTCH_OFFSET_LEFT: number;
-    
-            /**
-             * Additional offset added to the statement input's width to account for the
-             * notch.
-             * @type {number}
-             */
-            STATEMENT_INPUT_NOTCH_OFFSET: number;
-    
-            /**
-             * Vertical padding between consecutive statement inputs.
-             * @type {number}
-             */
-            BETWEEN_STATEMENT_PADDING_Y: number;
-    
-            /**
-             * The top row's minimum height.
-             * @type {number}
-             */
-            TOP_ROW_MIN_HEIGHT: number;
-    
-            /**
-             * The top row's minimum height if it precedes a statement.
-             * @type {number}
-             */
-            TOP_ROW_PRECEDES_STATEMENT_MIN_HEIGHT: number;
-    
-            /**
-             * The bottom row's minimum height.
-             * @type {number}
-             */
-            BOTTOM_ROW_MIN_HEIGHT: number;
-    
-            /**
-             * The bottom row's minimum height if it follows a statement input.
-             * @type {number}
-             */
-            BOTTOM_ROW_AFTER_STATEMENT_MIN_HEIGHT: number;
-    
-            /**
-             * Whether to add a 'hat' on top of all blocks with no previous or output
-             * connections. Can be overridden by 'hat' property on Theme.BlockStyle.
-             * @type {boolean}
-             */
-            ADD_START_HATS: boolean;
-    
-            /**
-             * Height of the top hat.
-             * @type {number}
-             */
-            START_HAT_HEIGHT: number;
-    
-            /**
-             * Width of the top hat.
-             * @type {number}
-             */
-            START_HAT_WIDTH: number;
-    
-            /**
-             * The height of an empty inline input.
-             * @type {number}
-             */
-            EMPTY_INLINE_INPUT_HEIGHT: number;
-    
-            /**
-             * The height of an empty statement input.  Note that in the old rendering this
-             * varies slightly depending on whether the block has external or inline inputs.
-             * In the new rendering this is consistent.  It seems unlikely that the old
-             * behaviour was intentional.
-             * @type {number}
-             */
-            EMPTY_STATEMENT_INPUT_HEIGHT: number;
-    
-            /**
-             * Height of SVG path for jagged teeth at the end of collapsed blocks.
-             * @type {number}
-             */
-            JAGGED_TEETH_HEIGHT: number;
-    
-            /**
-             * Width of SVG path for jagged teeth at the end of collapsed blocks.
-             * @type {number}
-             */
-            JAGGED_TEETH_WIDTH: number;
-    
-            /**
-             * Point size of text.
-             * @type {number}
-             */
-            FIELD_TEXT_FONTSIZE: number;
-    
-            /**
-             * Text font weight.
-             * @type {string}
-             */
-            FIELD_TEXT_FONTWEIGHT: string;
-    
-            /**
-             * Text font family.
-             * @type {string}
-             */
-            FIELD_TEXT_FONTFAMILY: string;
-    
-            /**
-             * Height of text.  This constant is dynamically set in ``setFontConstants_``
-             * to be the height of the text based on the font used.
-             * @type {number}
-             */
-            FIELD_TEXT_HEIGHT: number;
-    
-            /**
-             * Text baseline.  This constant is dynamically set in ``setFontConstants_``
-             * to be the baseline of the text based on the font used.
-             * @type {number}
-             */
-            FIELD_TEXT_BASELINE: number;
-    
-            /**
-             * A field's border rect corner radius.
-             * @type {number}
-             */
-            FIELD_BORDER_RECT_RADIUS: number;
-    
-            /**
-             * A field's border rect default height.
-             * @type {number}
-             */
-            FIELD_BORDER_RECT_HEIGHT: number;
-    
-            /**
-             * A field's border rect X padding.
-             * @type {number}
-             */
-            FIELD_BORDER_RECT_X_PADDING: number;
-    
-            /**
-             * A field's border rect Y padding.
-             * @type {number}
-             */
-            FIELD_BORDER_RECT_Y_PADDING: number;
-    
-            /**
-             * The backing colour of a field's border rect.
-             * @type {string}
-             * @package
-             */
-            FIELD_BORDER_RECT_COLOUR: string;
-    
-            /**
-             * A field's text element's dominant baseline.
-             * @type {boolean}
-             */
-            FIELD_TEXT_BASELINE_CENTER: boolean;
-    
-            /**
-             * A dropdown field's border rect height.
-             * @type {number}
-             */
-            FIELD_DROPDOWN_BORDER_RECT_HEIGHT: number;
-    
-            /**
-             * Whether or not a dropdown field should add a border rect when in a shadow
-             * block.
-             * @type {boolean}
-             */
-            FIELD_DROPDOWN_NO_BORDER_RECT_SHADOW: boolean;
-    
-            /**
-             * Whether or not a dropdown field's div should be coloured to match the
-             * block colours.
-             * @type {boolean}
-             */
-            FIELD_DROPDOWN_COLOURED_DIV: boolean;
-    
-            /**
-             * Whether or not a dropdown field uses a text or SVG arrow.
-             * @type {boolean}
-             */
-            FIELD_DROPDOWN_SVG_ARROW: boolean;
-    
-            /**
-             * A dropdown field's SVG arrow padding.
-             * @type {number}
-             */
-            FIELD_DROPDOWN_SVG_ARROW_PADDING: number;
-    
-            /**
-             * A dropdown field's SVG arrow size.
-             * @type {number}
-             */
-            FIELD_DROPDOWN_SVG_ARROW_SIZE: number;
-    
-            /**
-             * A dropdown field's SVG arrow datauri.
-             * @type {string}
-             */
-            FIELD_DROPDOWN_SVG_ARROW_DATAURI: string;
-    
-            /**
-             * Whether or not to show a box shadow around the widget div. This is only a
-             * feature of full block fields.
-             * @type {boolean}
-             */
-            FIELD_TEXTINPUT_BOX_SHADOW: boolean;
-    
-            /**
-             * Whether or not the colour field should display its colour value on the
-             * entire block.
-             * @type {boolean}
-             */
-            FIELD_COLOUR_FULL_BLOCK: boolean;
-    
-            /**
-             * A colour field's default width.
-             * @type {number}
-             */
-            FIELD_COLOUR_DEFAULT_WIDTH: number;
-    
-            /**
-             * A colour field's default height.
-             * @type {number}
-             */
-            FIELD_COLOUR_DEFAULT_HEIGHT: number;
-    
-            /**
-             * A checkbox field's X offset.
-             * @type {number}
-             */
-            FIELD_CHECKBOX_X_OFFSET: number;
-    
-            /**
-             * A random identifier used to ensure a unique ID is used for each
-             * filter/pattern for the case of multiple Blockly instances on a page.
-             * @type {string}
-             * @package
-             */
-            randomIdentifier: string;
-    
-            /**
-             * The ID of the emboss filter, or the empty string if no filter is set.
-             * @type {string}
-             * @package
-             */
-            embossFilterId: string;
-    
-            /**
-             * The ID of the disabled pattern, or the empty string if no pattern is set.
-             * @type {string}
-             * @package
-             */
-            disabledPatternId: string;
-    
-            /**
-             * The ID of the debug filter, or the empty string if no pattern is set.
-             * @type {string}
-             * @package
-             */
-            debugFilterId: string;
-    
-            /**
-             * Cursor colour.
-             * @type {string}
-             * @package
-             */
-            CURSOR_COLOUR: string;
-    
-            /**
-             * Immovable marker colour.
-             * @type {string}
-             * @package
-             */
-            MARKER_COLOUR: string;
-    
-            /**
-             * Width of the horizontal cursor.
-             * @type {number}
-             * @package
-             */
-            CURSOR_WS_WIDTH: number;
-    
-            /**
-             * Height of the horizontal cursor.
-             * @type {number}
-             * @package
-             */
-            WS_CURSOR_HEIGHT: number;
-    
-            /**
-             * Padding around a stack.
-             * @type {number}
-             * @package
-             */
-            CURSOR_STACK_PADDING: number;
-    
-            /**
-             * Padding around a block.
-             * @type {number}
-             * @package
-             */
-            CURSOR_BLOCK_PADDING: number;
-    
-            /**
-             * Stroke of the cursor.
-             * @type {number}
-             * @package
-             */
-            CURSOR_STROKE_WIDTH: number;
-    
-            /**
-             * Whether text input and colour fields fill up the entire source block.
-             * @type {boolean}
-             * @package
-             */
-            FULL_BLOCK_FIELDS: boolean;
-    
-            /**
-             * The main colour of insertion markers, in hex.  The block is rendered a
-             * transparent grey by changing the fill opacity in CSS.
-             * @type {string}
-             * @package
-             */
-            INSERTION_MARKER_COLOUR: string;
-    
-            /**
-             * The insertion marker opacity.
-             * @type {number}
-             * @package
-             */
-            INSERTION_MARKER_OPACITY: number;
-    
-            /**
-             * Enum for connection shapes.
-             * @enum {number}
-             */
-            SHAPES: any /*missing*/;
-    
-            /**
-             * Initialize shape objects based on the constants set in the constructor.
-             * @package
-             */
-            init(): void;
-    
-            /**
-             * An object containing sizing and path information about collapsed block
-             * indicators.
-             * @type {!Object}
-             */
-            JAGGED_TEETH: Object;
-    
-            /**
-             * An object containing sizing and path information about notches.
-             * @type {!Object}
-             */
-            NOTCH: Object;
-    
-            /**
-             * An object containing sizing and path information about start hats
-             * @type {!Object}
-             */
-            START_HAT: Object;
-    
-            /**
-             * An object containing sizing and path information about puzzle tabs.
-             * @type {!Object}
-             */
-            PUZZLE_TAB: Object;
-    
-            /**
-             * An object containing sizing and path information about inside corners
-             * @type {!Object}
-             */
-            INSIDE_CORNERS: Object;
-    
-            /**
-             * An object containing sizing and path information about outside corners.
-             * @type {!Object}
-             */
-            OUTSIDE_CORNERS: Object;
-    
-            /**
-             * Refresh constants properties that depend on the theme.
-             * @param {!Blockly.Theme} theme The current workspace theme.
-             * @package
-             */
-            setTheme(theme: Blockly.Theme): void;
-    
-            /**
-             * The block styles map.
-             * @type {Object.<string, Blockly.Theme.BlockStyle>}
-             * @package
-             */
-            blockStyles: { [key: string]: Blockly.Theme.BlockStyle };
-    
-            /**
-             * Sets dynamic properties that depend on other values or theme properties.
-             * @param {!Blockly.Theme} theme The current workspace theme.
-             * @protected
-             */
-            setDynamicProperties_(theme: Blockly.Theme): void;
-    
-            /**
-             * Set constants related to fonts.
-             * @param {!Blockly.Theme} theme The current workspace theme.
-             * @protected
-             */
-            setFontConstants_(theme: Blockly.Theme): void;
-    
-            /**
-             * Set constants from a theme's component styles.
-             * @param {!Blockly.Theme} theme The current workspace theme.
-             * @protected
-             */
-            setComponentConstants_(theme: Blockly.Theme): void;
-    
-            /**
-             * Get or create a block style based on a single colour value.  Generate a name
-             * for the style based on the colour.
-             * @param {string} colour #RRGGBB colour string.
-             * @return {{style: !Blockly.Theme.BlockStyle, name: string}} An object
-             *     containing the style and an autogenerated name for that style.
-             * @package
-             */
-            getBlockStyleForColour(colour: string): { style: Blockly.Theme.BlockStyle; name: string };
-    
-            /**
-             * Gets the BlockStyle for the given block style name.
-             * @param {?string} blockStyleName The name of the block style.
-             * @return {!Blockly.Theme.BlockStyle} The named block style, or a default style
-             *     if no style with the given name was found.
-             */
-            getBlockStyle(blockStyleName: string): Blockly.Theme.BlockStyle;
-    
-            /**
-             * Create a block style object based on the given colour.
-             * @param {string} colour #RRGGBB colour string.
-             * @return {!Blockly.Theme.BlockStyle} A populated block style based on the
-             *     given colour.
-             * @protected
-             */
-            createBlockStyle_(colour: string): Blockly.Theme.BlockStyle;
-    
-            /**
-             * Get a full block style object based on the input style object.  Populate
-             * any missing values.
-             * @param {{
-             *     colourPrimary:string,
-             *     colourSecondary:(string|undefined),
-             *     colourTertiary:(string|undefined),
-             *     hat:(string|undefined)
-             * }} blockStyle A full or partial block style object.
-            
-             * @return {!Blockly.Theme.BlockStyle} A full block style object, with all
-             *     required properties populated.
-             * @protected
-             */
-            validatedBlockStyle_(blockStyle: { colourPrimary: string; colourSecondary: string|any /*undefined*/; colourTertiary: string|any /*undefined*/; hat: string|any /*undefined*/ }): Blockly.Theme.BlockStyle;
-    
-            /**
-             * Generate a secondary colour from the passed in primary colour.
-             * @param {string} colour Primary colour.
-             * @return {string} The generated secondary colour.
-             * @protected
-             */
-            generateSecondaryColour_(colour: string): string;
-    
-            /**
-             * Generate a tertiary colour from the passed in primary colour.
-             * @param {string} colour Primary colour.
-             * @return {string} The generated tertiary colour.
-             * @protected
-             */
-            generateTertiaryColour_(colour: string): string;
-    
-            /**
-             * Dispose of this constants provider.
-             * Delete all DOM elements that this provider created.
-             * @package
-             */
-            dispose(): void;
-    
-            /**
-             * @return {!Object} An object containing sizing and path information about
-             *     collapsed block indicators.
-             * @package
-             */
-            makeJaggedTeeth(): Object;
-    
-            /**
-             * @return {!Object} An object containing sizing and path information about
-             *     start hats.
-             * @package
-             */
-            makeStartHat(): Object;
-    
-            /**
-             * @return {!Object} An object containing sizing and path information about
-             *     puzzle tabs.
-             * @package
-             */
-            makePuzzleTab(): Object;
-    
-            /**
-             * @return {!Object} An object containing sizing and path information about
-             *     notches.
-             * @package
-             */
-            makeNotch(): Object;
-    
-            /**
-             * @return {!Object} An object containing sizing and path information about
-             *     inside corners.
-             * @package
-             */
-            makeInsideCorners(): Object;
-    
-            /**
-             * @return {!Object} An object containing sizing and path information about
-             *     outside corners.
-             * @package
-             */
-            makeOutsideCorners(): Object;
-    
-            /**
-             * Get an object with connection shape and sizing information based on the type
-             * of the connection.
-             * @param {!Blockly.RenderedConnection} connection The connection to find a
-             *     shape object for
-             * @return {!Object} The shape object for the connection.
-             * @package
-             */
-            shapeFor(connection: Blockly.RenderedConnection): Object;
-    
-            /**
-             * Create any DOM elements that this renderer needs (filters, patterns, etc).
-             * @param {!SVGElement} svg The root of the workspace's SVG.
-             * @param {string} tagName The name to use for the CSS style tag.
-             * @param {string} selector The CSS selector to use.
-             * @suppress {strictModuleDepCheck} Debug renderer only included in playground.
-             * @package
-             */
-            createDom(svg: SVGElement, tagName: string, selector: string): void;
-    
-            /**
-             * Inject renderer specific CSS into the page.
-             * @param {string} tagName The name of the style tag to use.
-             * @param {string} selector The CSS selector to use.
-             * @protected
-             */
-            injectCSS_(tagName: string, selector: string): void;
-    
-            /**
-             * Get any renderer specific CSS to inject when the renderer is initialized.
-             * @param {string} selector CSS selector to use.
-             * @return {!Array.<string>} Array of CSS strings.
-             * @protected
-             */
-            getCSS_(selector: string): string[];
-    } 
-    
-}
-
-
-declare module Blockly.blockRendering {
-
-    class Debug extends Debug__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Debug__Class  { 
-    
-            /**
-             * An object that renders rectangles and dots for debugging rendering code.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The renderer's
-             *     constants.
-             * @package
-             * @constructor
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider);
-    
-            /**
-             * Remove all elements the this object created on the last pass.
-             * @package
-             */
-            clearElems(): void;
-    
-            /**
-             * Draw a debug rectangle for a spacer (empty) row.
-             * @param {!Blockly.blockRendering.Row} row The row to render.
-             * @param {number} cursorY The y position of the top of the row.
-             * @param {boolean} isRtl Whether the block is rendered RTL.
-             * @package
-             */
-            drawSpacerRow(row: Blockly.blockRendering.Row, cursorY: number, isRtl: boolean): void;
-    
-            /**
-             * Draw a debug rectangle for a horizontal spacer.
-             * @param {!Blockly.blockRendering.InRowSpacer} elem The spacer to render.
-             * @param {number} rowHeight The height of the container row.
-             * @param {boolean} isRtl Whether the block is rendered RTL.
-             * @package
-             */
-            drawSpacerElem(elem: Blockly.blockRendering.InRowSpacer, rowHeight: number, isRtl: boolean): void;
-    
-            /**
-             * Draw a debug rectangle for an in-row element.
-             * @param {!Blockly.blockRendering.Measurable} elem The element to render.
-             * @param {boolean} isRtl Whether the block is rendered RTL.
-             * @package
-             */
-            drawRenderedElem(elem: Blockly.blockRendering.Measurable, isRtl: boolean): void;
-    
-            /**
-             * Draw a circle at the location of the given connection.  Inputs and outputs
-             * share the same colours, as do previous and next.  When positioned correctly
-             * a connected pair will look like a bullseye.
-             * @param {Blockly.RenderedConnection} conn The connection to circle.
-             * @suppress {visibility} Suppress visibility of conn.offsetInBlock_ since this
-             *     is a debug module.
-             * @package
-             */
-            drawConnection(conn: Blockly.RenderedConnection): void;
-    
-            /**
-             * Draw a debug rectangle for a non-empty row.
-             * @param {!Blockly.blockRendering.Row} row The non-empty row to render.
-             * @param {number} cursorY The y position of the top of the row.
-             * @param {boolean} isRtl Whether the block is rendered RTL.
-             * @package
-             */
-            drawRenderedRow(row: Blockly.blockRendering.Row, cursorY: number, isRtl: boolean): void;
-    
-            /**
-             * Draw debug rectangles for a non-empty row and all of its subcomponents.
-             * @param {!Blockly.blockRendering.Row} row The non-empty row to render.
-             * @param {number} cursorY The y position of the top of the row.
-             * @param {boolean} isRtl Whether the block is rendered RTL.
-             * @package
-             */
-            drawRowWithElements(row: Blockly.blockRendering.Row, cursorY: number, isRtl: boolean): void;
-    
-            /**
-             * Draw a debug rectangle around the entire block.
-             * @param {!Blockly.blockRendering.RenderInfo} info Rendering information about
-             *     the block to debug.
-             * @package
-             */
-            drawBoundingBox(info: Blockly.blockRendering.RenderInfo): void;
-    
-            /**
-             * Do all of the work to draw debug information for the whole block.
-             * @param {!Blockly.BlockSvg} block The block to draw debug information for.
-             * @param {!Blockly.blockRendering.RenderInfo} info Rendering information about
-             *     the block to debug.
-             * @package
-             */
-            drawDebug(block: Blockly.BlockSvg, info: Blockly.blockRendering.RenderInfo): void;
-    
-            /**
-             * Show a debug filter to highlight that a block has been rendered.
-             * @param {!SVGElement} svgPath The block's svg path.
-             * @package
-             */
-            drawRender(svgPath: SVGElement): void;
-    } 
-    
-}
-
-declare module Blockly.blockRendering.Debug {
-
-    /**
-     * Configuration object containing booleans to enable and disable debug
-     * rendering of specific rendering components.
-     * @type {!Object.<string, boolean>}
-     */
-    var config: { [key: string]: boolean };
-}
-
-
-declare module Blockly.blockRendering {
-
-    class Drawer extends Drawer__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Drawer__Class  { 
-    
-            /**
-             * An object that draws a block based on the given rendering information.
-             * @param {!Blockly.BlockSvg} block The block to render.
-             * @param {!Blockly.blockRendering.RenderInfo} info An object containing all
-             *   information needed to render this block.
-             * @package
-             * @constructor
-             */
-            constructor(block: Blockly.BlockSvg, info: Blockly.blockRendering.RenderInfo);
-    
-            /**
-             * The renderer's constant provider.
-             * @type {!Blockly.blockRendering.ConstantProvider}
-             * @protected
-             */
-            constants_: Blockly.blockRendering.ConstantProvider;
-    
-            /**
-             * Draw the block to the workspace. Here "drawing" means setting SVG path
-             * elements and moving fields, icons, and connections on the screen.
-             *
-             * The pieces of the paths are pushed into arrays of "steps", which are then
-             * joined with spaces and set directly on the block.  This guarantees that
-             * the steps are separated by spaces for improved readability, but isn't
-             * required.
-             * @package
-             */
-            draw(): void;
-    
-            /**
-             * Save sizing information back to the block
-             * Most of the rendering information can be thrown away at the end of the
-             * render. Anything that needs to be kept around should be set in this function.
-             * @protected
-             */
-            recordSizeOnBlock_(): void;
-    
-            /**
-             * Hide icons that were marked as hidden.
-             * @protected
-             */
-            hideHiddenIcons_(): void;
-    
-            /**
-             * Create the outline of the block.  This is a single continuous path.
-             * @protected
-             */
-            drawOutline_(): void;
-    
-            /**
-             * Add steps for the top corner of the block, taking into account
-             * details such as hats and rounded corners.
-             * @protected
-             */
-            drawTop_(): void;
-    
-            /**
-             * Add steps for the jagged edge of a row on a collapsed block.
-             * @param {!Blockly.blockRendering.Row} row The row to draw the side of.
-             * @protected
-             */
-            drawJaggedEdge_(row: Blockly.blockRendering.Row): void;
-    
-            /**
-             * Add steps for an external value input, rendered as a notch in the side
-             * of the block.
-             * @param {!Blockly.blockRendering.Row} row The row that this input
-             *     belongs to.
-             * @protected
-             */
-            drawValueInput_(row: Blockly.blockRendering.Row): void;
-    
-            /**
-             * Add steps for a statement input.
-             * @param {!Blockly.blockRendering.Row} row The row that this input
-             *     belongs to.
-             * @protected
-             */
-            drawStatementInput_(row: Blockly.blockRendering.Row): void;
-    
-            /**
-             * Add steps for the right side of a row that does not have value or
-             * statement input connections.
-             * @param {!Blockly.blockRendering.Row} row The row to draw the
-             *     side of.
-             * @protected
-             */
-            drawRightSideRow_(row: Blockly.blockRendering.Row): void;
-    
-            /**
-             * Add steps for the bottom edge of a block, possibly including a notch
-             * for the next connection
-             * @protected
-             */
-            drawBottom_(): void;
-    
-            /**
-             * Add steps for the left side of the block, which may include an output
-             * connection
-             * @protected
-             */
-            drawLeft_(): void;
-    
-            /**
-             * Draw the internals of the block: inline inputs, fields, and icons.  These do
-             * not depend on the outer path for placement.
-             * @protected
-             */
-            drawInternals_(): void;
-    
-            /**
-             * Push a field or icon's new position to its SVG root.
-             * @param {!Blockly.blockRendering.Icon|!Blockly.blockRendering.Field} fieldInfo
-             *     The rendering information for the field or icon.
-             * @protected
-             */
-            layoutField_(fieldInfo: Blockly.blockRendering.Icon|Blockly.blockRendering.Field): void;
-    
-            /**
-             * Add steps for an inline input.
-             * @param {!Blockly.blockRendering.InlineInput} input The information about the
-             * input to render.
-             * @protected
-             */
-            drawInlineInput_(input: Blockly.blockRendering.InlineInput): void;
-    
-            /**
-             * Position the connection on an inline value input, taking into account
-             * RTL and the small gap between the parent block and child block which lets the
-             * parent block's dark path show through.
-             * @param {Blockly.blockRendering.InlineInput} input The information about
-             * the input that the connection is on.
-             * @protected
-             */
-            positionInlineInputConnection_(input: Blockly.blockRendering.InlineInput): void;
-    
-            /**
-             * Position the connection on a statement input, taking into account
-             * RTL and the small gap between the parent block and child block which lets the
-             * parent block's dark path show through.
-             * @param {!Blockly.blockRendering.Row} row The row that the connection is on.
-             * @protected
-             */
-            positionStatementInputConnection_(row: Blockly.blockRendering.Row): void;
-    
-            /**
-             * Position the connection on an external value input, taking into account
-             * RTL and the small gap between the parent block and child block which lets the
-             * parent block's dark path show through.
-             * @param {!Blockly.blockRendering.Row} row The row that the connection is on.
-             * @protected
-             */
-            positionExternalValueConnection_(row: Blockly.blockRendering.Row): void;
-    
-            /**
-             * Position the previous connection on a block.
-             * @protected
-             */
-            positionPreviousConnection_(): void;
-    
-            /**
-             * Position the next connection on a block.
-             * @protected
-             */
-            positionNextConnection_(): void;
-    
-            /**
-             * Position the output connection on a block.
-             * @protected
-             */
-            positionOutputConnection_(): void;
-    } 
-    
-}
-
-
-declare module Blockly.blockRendering {
-
-    interface IPathObject {
-    
-        /**
-          * The primary path of the block.
-          * @type {!SVGElement}
-          */
-        svgPath: SVGElement;
-    
-        /**
-          * The renderer's constant provider.
-          * @type {!Blockly.blockRendering.ConstantProvider}
-          */
-        constants: Blockly.blockRendering.ConstantProvider;
-    
-        /**
-          * The primary path of the block.
-          * @type {!Blockly.Theme.BlockStyle}
-          */
-        style: Blockly.Theme.BlockStyle;
-    
-        /**
-          * Holds the cursors svg element when the cursor is attached to the block.
-          * This is null if there is no cursor on the block.
-          * @type {SVGElement}
-          */
-        cursorSvg: SVGElement;
-    
-        /**
-          * Holds the markers svg element when the marker is attached to the block.
-          * This is null if there is no marker on the block.
-          * @type {SVGElement}
-          */
-        markerSvg: SVGElement;
-    
-        /**
-          * Set the path generated by the renderer onto the respective SVG element.
-          * @param {string} pathString The path.
-          * @package
-          */
-        setPath(pathString: string): void;
-    
-        /**
-          * Apply the stored colours to the block's path, taking into account whether
-          * the paths belong to a shadow block.
-          * @param {!Blockly.Block} block The source block.
-          * @package
-          */
-        applyColour(block: Blockly.Block): void;
-    
-        /**
-          * Update the style.
-          * @param {!Blockly.Theme.BlockStyle} blockStyle The block style to use.
-          * @package
-          */
-        setStyle(blockStyle: Blockly.Theme.BlockStyle): void;
-    
-        /**
-          * Flip the SVG paths in RTL.
-          * @package
-          */
-        flipRTL: any /*missing*/;
-    
-        /**
-          * Add the cursor svg to this block's svg group.
-          * @param {SVGElement} cursorSvg The svg root of the cursor to be added to the
-          *     block svg group.
-          * @package
-          */
-        setCursorSvg(cursorSvg: SVGElement): void;
-    
-        /**
-          * Add the marker svg to this block's svg group.
-          * @param {SVGElement} markerSvg The svg root of the marker to be added to the
-          *     block svg group.
-          * @package
-          */
-        setMarkerSvg(markerSvg: SVGElement): void;
-    
-        /**
-          * Set whether the block shows a highlight or not.  Block highlighting is
-          * often used to visually mark blocks currently being executed.
-          * @param {boolean} highlighted True if highlighted.
-          * @package
-          */
-        updateHighlighted(highlighted: boolean): void;
-    
-        /**
-          * Add or remove styling showing that a block is selected.
-          * @param {boolean} enable True if selection is enabled, false otherwise.
-          * @package
-          */
-        updateSelected(enable: boolean): void;
-    
-        /**
-          * Add or remove styling showing that a block is dragged over a delete area.
-          * @param {boolean} enable True if the block is being dragged over a delete
-          *     area, false otherwise.
-          * @package
-          */
-        updateDraggingDelete(enable: boolean): void;
-    
-        /**
-          * Add or remove styling showing that a block is an insertion marker.
-          * @param {boolean} enable True if the block is an insertion marker, false
-          *     otherwise.
-          * @package
-          */
-        updateInsertionMarker(enable: boolean): void;
-    
-        /**
-          * Add or remove styling showing that a block is movable.
-          * @param {boolean} enable True if the block is movable, false otherwise.
-          * @package
-          */
-        updateMovable(enable: boolean): void;
-    
-        /**
-          * Add or remove styling that shows that if the dragging block is dropped, this
-          * block will be replaced.  If a shadow block, it will disappear.  Otherwise it
-          * will bump.
-          * @param {boolean} enable True if styling should be added.
-          * @package
-          */
-        updateReplacementFade(enable: boolean): void;
-    }
-}
-
-
-declare module Blockly.blockRendering {
-
-    class RenderInfo extends RenderInfo__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class RenderInfo__Class  { 
-    
-            /**
-             * An object containing all sizing information needed to draw this block.
-             *
-             * This measure pass does not propagate changes to the block (although fields
-             * may choose to rerender when getSize() is called).  However, calling it
-             * repeatedly may be expensive.
-             *
-             * @param {!Blockly.blockRendering.Renderer} renderer The renderer in use.
-             * @param {!Blockly.BlockSvg} block The block to measure.
-             * @constructor
-             * @package
-             */
-            constructor(renderer: Blockly.blockRendering.Renderer, block: Blockly.BlockSvg);
-    
-            /**
-             * The block renderer in use.
-             * @type {!Blockly.blockRendering.Renderer}
-             * @protected
-             */
-            renderer_: Blockly.blockRendering.Renderer;
-    
-            /**
-             * The renderer's constant provider.
-             * @type {!Blockly.blockRendering.ConstantProvider}
-             * @protected
-             */
-            constants_: Blockly.blockRendering.ConstantProvider;
-    
-            /**
-             * A measurable representing the output connection if the block has one.
-             * Otherwise null.
-             * @type {Blockly.blockRendering.OutputConnection}
-             */
-            outputConnection: Blockly.blockRendering.OutputConnection;
-    
-            /**
-             * Whether the block should be rendered as a single line, either because it's
-             * inline or because it has been collapsed.
-             * @type {boolean}
-             */
-            isInline: boolean;
-    
-            /**
-             * Whether the block is collapsed.
-             * @type {boolean}
-             */
-            isCollapsed: boolean;
-    
-            /**
-             * Whether the block is an insertion marker.  Insertion markers are the same
-             * shape as normal blocks, but don't show fields.
-             * @type {boolean}
-             */
-            isInsertionMarker: boolean;
-    
-            /**
-             * True if the block should be rendered right-to-left.
-             * @type {boolean}
-             */
-            RTL: boolean;
-    
-            /**
-             * The height of the rendered block, including child blocks.
-             * @type {number}
-             */
-            height: number;
-    
-            /**
-             * The width of the rendered block, including child blocks.
-             * @type {number}
-             */
-            widthWithChildren: number;
-    
-            /**
-             * The width of the rendered block, excluding child blocks.  This is the right
-             * edge of the block when rendered LTR.
-             * @type {number}
-             */
-            width: number;
-    
-            /**
-             *
-             * @type {number}
-             */
-            statementEdge: number;
-    
-            /**
-             * An array of Row objects containing sizing information.
-             * @type {!Array.<!Blockly.blockRendering.Row>}
-             */
-            rows: Blockly.blockRendering.Row[];
-    
-            /**
-             * An array of input rows on the block.
-             * @type {!Array.<!Blockly.blockRendering.InputRow>}
-             */
-            inputRows: Blockly.blockRendering.InputRow[];
-    
-            /**
-             * An array of measurable objects containing hidden icons.
-             * @type {!Array.<!Blockly.blockRendering.Icon>}
-             */
-            hiddenIcons: Blockly.blockRendering.Icon[];
-    
-            /**
-             * An object with rendering information about the top row of the block.
-             * @type {!Blockly.blockRendering.TopRow}
-             */
-            topRow: Blockly.blockRendering.TopRow;
-    
-            /**
-             * An object with rendering information about the bottom row of the block.
-             * @type {!Blockly.blockRendering.BottomRow}
-             */
-            bottomRow: Blockly.blockRendering.BottomRow;
-    
-            /**
-             * Get the block renderer in use.
-             * @return {!Blockly.blockRendering.Renderer} The block renderer in use.
-             * @package
-             */
-            getRenderer(): Blockly.blockRendering.Renderer;
-    
-            /**
-             * Populate and return an object containing all sizing information needed to
-             * draw this block.
-             *
-             * This measure pass does not propagate changes to the block (although fields
-             * may choose to rerender when getSize() is called).  However, calling it
-             * repeatedly may be expensive.
-             *
-             * @package
-             */
-            measure(): void;
-    
-            /**
-             * Create rows of Measurable objects representing all renderable parts of the
-             * block.
-             * @protected
-             */
-            createRows_(): void;
-    
-            /**
-             * Create all non-spacer elements that belong on the top row.
-             * @package
-             */
-            populateTopRow_(): void;
-    
-            /**
-             * Create all non-spacer elements that belong on the bottom row.
-             * @package
-             */
-            populateBottomRow_(): void;
-    
-            /**
-             * Add an input element to the active row, if needed, and record the type of the
-             * input on the row.
-             * @param {!Blockly.Input} input The input to record information about.
-             * @param {!Blockly.blockRendering.Row} activeRow The row that is currently being
-             *     populated.
-             * @protected
-             */
-            addInput_(input: Blockly.Input, activeRow: Blockly.blockRendering.Row): void;
-    
-            /**
-             * Decide whether to start a new row between the two Blockly.Inputs.
-             * @param {!Blockly.Input} input The first input to consider
-             * @param {Blockly.Input} lastInput The input that follows.
-             * @return {boolean} True if the next input should be rendered on a new row.
-             * @protected
-             */
-            shouldStartNewRow_(input: Blockly.Input, lastInput: Blockly.Input): boolean;
-    
-            /**
-             * Add horizontal spacing between and around elements within each row.
-             * @protected
-             */
-            addElemSpacing_(): void;
-    
-            /**
-             * Calculate the width of a spacer element in a row based on the previous and
-             * next elements in that row.  For instance, extra padding is added between two
-             * editable fields.
-             * @param {Blockly.blockRendering.Measurable} prev The element before the
-             *     spacer.
-             * @param {Blockly.blockRendering.Measurable} next The element after the spacer.
-             * @return {number} The size of the spacing between the two elements.
-             * @protected
-             */
-            getInRowSpacing_(prev: Blockly.blockRendering.Measurable, next: Blockly.blockRendering.Measurable): number;
-    
-            /**
-             * Figure out where the right edge of the block and right edge of statement inputs
-             * should be placed.
-             * @protected
-             */
-            computeBounds_(): void;
-    
-            /**
-             * Extra spacing may be necessary to make sure that the right sides of all
-             * rows line up.  This can only be calculated after a first pass to calculate
-             * the sizes of all rows.
-             * @protected
-             */
-            alignRowElements_(): void;
-    
-            /**
-             * Calculate the desired width of an input row.
-             * @param {!Blockly.blockRendering.Row} _row The input row.
-             * @return {number} The desired width of the input row.
-             * @protected
-             */
-            getDesiredRowWidth_(_row: Blockly.blockRendering.Row): number;
-    
-            /**
-             * Modify the given row to add the given amount of padding around its fields.
-             * The exact location of the padding is based on the alignment property of the
-             * last input in the field.
-             * @param {Blockly.blockRendering.Row} row The row to add padding to.
-             * @param {number} missingSpace How much padding to add.
-             * @protected
-             */
-            addAlignmentPadding_(row: Blockly.blockRendering.Row, missingSpace: number): void;
-    
-            /**
-             * Align the elements of a statement row based on computed bounds.
-             * Unlike other types of rows, statement rows add space in multiple places.
-             * @param {!Blockly.blockRendering.InputRow} row The statement row to resize.
-             * @protected
-             */
-            alignStatementRow_(row: Blockly.blockRendering.InputRow): void;
-    
-            /**
-             * Add spacers between rows and set their sizes.
-             * @protected
-             */
-            addRowSpacing_(): void;
-    
-            /**
-             * Create a spacer row to go between prev and next, and set its size.
-             * @param {!Blockly.blockRendering.Row} prev The previous row.
-             * @param {!Blockly.blockRendering.Row} next The next row.
-             * @return {!Blockly.blockRendering.SpacerRow} The newly created spacer row.
-             * @protected
-             */
-            makeSpacerRow_(prev: Blockly.blockRendering.Row, next: Blockly.blockRendering.Row): Blockly.blockRendering.SpacerRow;
-    
-            /**
-             * Calculate the width of a spacer row.
-             * @param {!Blockly.blockRendering.Row} _prev The row before the spacer.
-             * @param {!Blockly.blockRendering.Row} _next The row after the spacer.
-             * @return {number} The desired width of the spacer row between these two rows.
-             * @protected
-             */
-            getSpacerRowWidth_(_prev: Blockly.blockRendering.Row, _next: Blockly.blockRendering.Row): number;
-    
-            /**
-             * Calculate the height of a spacer row.
-             * @param {!Blockly.blockRendering.Row} _prev The row before the spacer.
-             * @param {!Blockly.blockRendering.Row} _next The row after the spacer.
-             * @return {number} The desired height of the spacer row between these two rows.
-             * @protected
-             */
-            getSpacerRowHeight_(_prev: Blockly.blockRendering.Row, _next: Blockly.blockRendering.Row): number;
-    
-            /**
-             * Calculate the centerline of an element in a rendered row.
-             * This base implementation puts the centerline at the middle of the row
-             * vertically, with no special cases.  You will likely need extra logic to
-             * handle (at minimum) top and bottom rows.
-             * @param {!Blockly.blockRendering.Row} row The row containing the element.
-             * @param {!Blockly.blockRendering.Measurable} elem The element to place.
-             * @return {number} The desired centerline of the given element, as an offset
-             *     from the top left of the block.
-             * @protected
-             */
-            getElemCenterline_(row: Blockly.blockRendering.Row, elem: Blockly.blockRendering.Measurable): number;
-    
-            /**
-             * Record final position information on elements on the given row, for use in
-             * drawing.  At minimum this records xPos and centerline on each element.
-             * @param {!Blockly.blockRendering.Row} row The row containing the elements.
-             * @protected
-             */
-            recordElemPositions_(row: Blockly.blockRendering.Row): void;
-    
-            /**
-             * Make any final changes to the rendering information object.  In particular,
-             * store the y position of each row, and record the height of the full block.
-             * @protected
-             */
-            finalize_(): void;
-    } 
-    
-}
-
-
-declare module Blockly.blockRendering {
-
-    class MarkerSvg extends MarkerSvg__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class MarkerSvg__Class  { 
-    
-            /**
-             * Class for a marker.
-             * @param {!Blockly.WorkspaceSvg} workspace The workspace the marker belongs to.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The constants for
-             *     the renderer.
-             * @param {!Blockly.Marker} marker The marker to draw.
-             * @constructor
-             */
-            constructor(workspace: Blockly.WorkspaceSvg, constants: Blockly.blockRendering.ConstantProvider, marker: Blockly.Marker);
-    
-            /**
-             * The constants necessary to draw the marker.
-             * @type {Blockly.blockRendering.ConstantProvider}
-             * @protected
-             */
-            constants_: Blockly.blockRendering.ConstantProvider;
-    
-            /**
-             * The current SVG element for the marker.
-             * @type {Element}
-             */
-            currentMarkerSvg: Element;
-    
-            /**
-             * The colour of the marker.
-             * @type {string}
-             */
-            colour_: string;
-    
-            /**
-             * Return the root node of the SVG or null if none exists.
-             * @return {SVGElement} The root SVG node.
-             */
-            getSvgRoot(): SVGElement;
-    
-            /**
-             * Get the marker.
-             * @return {!Blockly.Marker} The marker to draw for.
-             */
-            getMarker(): Blockly.Marker;
-    
-            /**
-             * True if the marker should be drawn as a cursor, false otherwise.
-             * A cursor is drawn as a flashing line. A marker is drawn as a solid line.
-             * @return {boolean} True if the marker is a cursor, false otherwise.
-             */
-            isCursor(): boolean;
-    
-            /**
-             * Create the DOM element for the marker.
-             * @return {!SVGElement} The marker controls SVG group.
-             * @package
-             */
-            createDom(): SVGElement;
-    
-            /**
-             * Attaches the SVG root of the marker to the SVG group of the parent.
-             * @param {!Blockly.IASTNodeLocationSvg} newParent The workspace, field, or
-             *     block that the marker SVG element should be attached to.
-             * @protected
-             */
-            setParent_(newParent: Blockly.IASTNodeLocationSvg): void;
-    
-            /**
-             * Update the marker.
-             * @param {Blockly.ASTNode} oldNode The previous node the marker was on or null.
-             * @param {Blockly.ASTNode} curNode The node that we want to draw the marker for.
-             */
-            draw(oldNode: Blockly.ASTNode, curNode: Blockly.ASTNode): void;
-    
-            /**
-             * Update the marker's visible state based on the type of curNode..
-             * @param {!Blockly.ASTNode} curNode The node that we want to draw the marker for.
-             * @protected
-             */
-            showAtLocation_(curNode: Blockly.ASTNode): void;
-    
-            /**
-             * Position and display the marker for a block.
-             * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
-             * @protected
-             */
-            showWithBlock_(curNode: Blockly.ASTNode): void;
-    
-            /**
-             * Position and display the marker for a previous connection.
-             * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
-             * @protected
-             */
-            showWithPrevious_(curNode: Blockly.ASTNode): void;
-    
-            /**
-             * Position and display the marker for an output connection.
-             * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
-             * @protected
-             */
-            showWithOutput_(curNode: Blockly.ASTNode): void;
-    
-            /**
-             * Position and display the marker for a workspace coordinate.
-             * This is a horizontal line.
-             * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
-             * @protected
-             */
-            showWithCoordinates_(curNode: Blockly.ASTNode): void;
-    
-            /**
-             * Position and display the marker for a field.
-             * This is a box around the field.
-             * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
-             * @protected
-             */
-            showWithField_(curNode: Blockly.ASTNode): void;
-    
-            /**
-             * Position and display the marker for an input.
-             * This is a puzzle piece.
-             * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
-             * @protected
-             */
-            showWithInput_(curNode: Blockly.ASTNode): void;
-    
-            /**
-             * Position and display the marker for a next connection.
-             * This is a horizontal line.
-             * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
-             * @protected
-             */
-            showWithNext_(curNode: Blockly.ASTNode): void;
-    
-            /**
-             * Position and display the marker for a stack.
-             * This is a box with extra padding around the entire stack of blocks.
-             * @param {!Blockly.ASTNode} curNode The node to draw the marker for.
-             * @protected
-             */
-            showWithStack_(curNode: Blockly.ASTNode): void;
-    
-            /**
-             * Show the current marker.
-             * @protected
-             */
-            showCurrent_(): void;
-    
-            /**
-             * Position the marker for a block.
-             * Displays an outline of the top half of a rectangle around a block.
-             * @param {number} width The width of the block.
-             * @param {number} markerOffset The extra padding for around the block.
-             * @param {number} markerHeight The height of the marker.
-             * @protected
-             */
-            positionBlock_(width: number, markerOffset: number, markerHeight: number): void;
-    
-            /**
-             * Position the marker for an input connection.
-             * Displays a filled in puzzle piece.
-             * @param {!Blockly.RenderedConnection} connection The connection to position
-             *     marker around.
-             * @protected
-             */
-            positionInput_(connection: Blockly.RenderedConnection): void;
-    
-            /**
-             * Move and show the marker at the specified coordinate in workspace units.
-             * Displays a horizontal line.
-             * @param {number} x The new x, in workspace units.
-             * @param {number} y The new y, in workspace units.
-             * @param {number} width The new width, in workspace units.
-             * @protected
-             */
-            positionLine_(x: number, y: number, width: number): void;
-    
-            /**
-             * Position the marker for an output connection.
-             * Displays a puzzle outline and the top and bottom path.
-             * @param {number} width The width of the block.
-             * @param {number} height The height of the block.
-             * @param {!Object} connectionShape The shape object for the connection.
-             * @protected
-             */
-            positionOutput_(width: number, height: number, connectionShape: Object): void;
-    
-            /**
-             * Position the marker for a previous connection.
-             * Displays a half rectangle with a notch in the top to represent the previous
-             * connection.
-             * @param {number} width The width of the block.
-             * @param {number} markerOffset The offset of the marker from around the block.
-             * @param {number} markerHeight The height of the marker.
-             * @param {!Object} connectionShape The shape object for the connection.
-             * @protected
-             */
-            positionPrevious_(width: number, markerOffset: number, markerHeight: number, connectionShape: Object): void;
-    
-            /**
-             * Move and show the marker at the specified coordinate in workspace units.
-             * Displays a filled in rectangle.
-             * @param {number} x The new x, in workspace units.
-             * @param {number} y The new y, in workspace units.
-             * @param {number} width The new width, in workspace units.
-             * @param {number} height The new height, in workspace units.
-             * @protected
-             */
-            positionRect_(x: number, y: number, width: number, height: number): void;
-    
-            /**
-             * Hide the marker.
-             */
-            hide(): void;
-    
-            /**
-             * Get the properties to make a marker blink.
-             * @return {!Object} The object holding attributes to make the marker blink.
-             * @protected
-             */
-            getBlinkProperties_(): Object;
-    
-            /**
-             * Create the marker SVG.
-             * @return {Element} The SVG node created.
-             * @protected
-             */
-            createDomInternal_(): Element;
-    
-            /**
-             * Apply the marker's colour.
-             * @param {!Blockly.ASTNode} _curNode The node that we want to draw the marker
-             *    for.
-             * @protected
-             */
-            applyColour_(_curNode: Blockly.ASTNode): void;
-    
-            /**
-             * Dispose of this marker.
-             */
-            dispose(): void;
-    } 
-    
-}
-
-declare module Blockly.blockRendering.MarkerSvg {
-
-    /**
-     * The name of the CSS class for a cursor.
-     * @const {string}
-     */
-    var CURSOR_CLASS: any /*missing*/;
-
-    /**
-     * The name of the CSS class for a marker.
-     * @const {string}
-     */
-    var MARKER_CLASS: any /*missing*/;
-
-    /**
-     * What we multiply the height by to get the height of the marker.
-     * Only used for the block and block connections.
-     * @const {number}
-     */
-    var HEIGHT_MULTIPLIER: any /*missing*/;
-}
-
-
-declare module Blockly.blockRendering {
-
-    class PathObject extends PathObject__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class PathObject__Class implements Blockly.blockRendering.IPathObject  { 
-    
-            /**
-             * An object that handles creating and setting each of the SVG elements
-             * used by the renderer.
-             * @param {!SVGElement} root The root SVG element.
-             * @param {!Blockly.Theme.BlockStyle} style The style object to use for
-             *     colouring.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The renderer's
-             *     constants.
-             * @constructor
-             * @implements {Blockly.blockRendering.IPathObject}
-             * @package
-             */
-            constructor(root: SVGElement, style: Blockly.Theme.BlockStyle, constants: Blockly.blockRendering.ConstantProvider);
-    
-            /**
-             * The renderer's constant provider.
-             * @type {!Blockly.blockRendering.ConstantProvider}
-             * @package
-             */
-            constants: Blockly.blockRendering.ConstantProvider;
-    
-            /**
-             * The primary path of the block.
-             * @type {!SVGElement}
-             * @package
-             */
-            svgPath: SVGElement;
-    
-            /**
-             * The style object to use when colouring block paths.
-             * @type {!Blockly.Theme.BlockStyle}
-             * @package
-             */
-            style: Blockly.Theme.BlockStyle;
-    
-            /**
-             * Holds the cursors svg element when the cursor is attached to the block.
-             * This is null if there is no cursor on the block.
-             * @type {SVGElement}
-             * @package
-             */
-            cursorSvg: SVGElement;
-    
-            /**
-             * Holds the markers svg element when the marker is attached to the block.
-             * This is null if there is no marker on the block.
-             * @type {SVGElement}
-             * @package
-             */
-            markerSvg: SVGElement;
-    
-            /**
-             * Set the path generated by the renderer onto the respective SVG element.
-             * @param {string} pathString The path.
-             * @package
-             */
-            setPath(pathString: string): void;
-    
-            /**
-             * Flip the SVG paths in RTL.
-             * @package
-             */
-            flipRTL(): void;
-    
-            /**
-             * Add the cursor svg to this block's svg group.
-             * @param {SVGElement} cursorSvg The svg root of the cursor to be added to the
-             *     block svg group.
-             * @package
-             */
-            setCursorSvg(cursorSvg: SVGElement): void;
-    
-            /**
-             * Add the marker svg to this block's svg group.
-             * @param {SVGElement} markerSvg The svg root of the marker to be added to the
-             *     block svg group.
-             * @package
-             */
-            setMarkerSvg(markerSvg: SVGElement): void;
-    
-            /**
-             * Apply the stored colours to the block's path, taking into account whether
-             * the paths belong to a shadow block.
-             * @param {!Blockly.Block} block The source block.
-             * @package
-             */
-            applyColour(block: Blockly.Block): void;
-    
-            /**
-             * Set the style.
-             * @param {!Blockly.Theme.BlockStyle} blockStyle The block style to use.
-             * @package
-             */
-            setStyle(blockStyle: Blockly.Theme.BlockStyle): void;
-    
-            /**
-             * Add or remove the given CSS class on the path object's root SVG element.
-             * @param {string} className The name of the class to add or remove
-             * @param {boolean} add True if the class should be added.  False if it should
-             *     be removed.
-             * @protected
-             */
-            setClass_(className: string, add: boolean): void;
-    
-            /**
-             * Set whether the block shows a highlight or not.  Block highlighting is
-             * often used to visually mark blocks currently being executed.
-             * @param {boolean} enable True if highlighted.
-             * @package
-             */
-            updateHighlighted(enable: boolean): void;
-    
-            /**
-             * Updates the look of the block to reflect a shadow state.
-             * @param {boolean} shadow True if the block is a shadow block.
-             * @protected
-             */
-            updateShadow_(shadow: boolean): void;
-    
-            /**
-             * Updates the look of the block to reflect a disabled state.
-             * @param {boolean} disabled True if disabled.
-             * @protected
-             */
-            updateDisabled_(disabled: boolean): void;
-    
-            /**
-             * Add or remove styling showing that a block is selected.
-             * @param {boolean} enable True if selection is enabled, false otherwise.
-             * @package
-             */
-            updateSelected(enable: boolean): void;
-    
-            /**
-             * Add or remove styling showing that a block is dragged over a delete area.
-             * @param {boolean} enable True if the block is being dragged over a delete
-             *     area, false otherwise.
-             * @package
-             */
-            updateDraggingDelete(enable: boolean): void;
-    
-            /**
-             * Add or remove styling showing that a block is an insertion marker.
-             * @param {boolean} enable True if the block is an insertion marker, false
-             *     otherwise.
-             * @package
-             */
-            updateInsertionMarker(enable: boolean): void;
-    
-            /**
-             * Add or remove styling showing that a block is movable.
-             * @param {boolean} enable True if the block is movable, false otherwise.
-             * @package
-             */
-            updateMovable(enable: boolean): void;
-    
-            /**
-             * Add or remove styling that shows that if the dragging block is dropped, this
-             * block will be replaced.  If a shadow block, it will disappear.  Otherwise it
-             * will bump.
-             * @param {boolean} enable True if styling should be added.
-             * @package
-             */
-            updateReplacementFade(enable: boolean): void;
-    
-            /**
-             * Add or remove styling that shows that if the dragging block is dropped, this
-             * block will be connected to the input.
-             * @param {Blockly.Connection} _conn The connection on the input to highlight.
-             * @param {boolean} _enable True if styling should be added.
-             * @package
-             */
-            updateShapeForInputHighlight(_conn: Blockly.Connection, _enable: boolean): void;
-    } 
-    
-}
-
-
-declare module Blockly.blockRendering {
-
-    class Renderer extends Renderer__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Renderer__Class implements Blockly.IRegistrable  { 
-    
-            /**
-             * The base class for a block renderer.
-             * @param {string} name The renderer name.
-             * @package
-             * @constructor
-             * @implements {Blockly.IRegistrable}
-             */
-            constructor(name: string);
-    
-            /**
-             * The renderer name.
-             * @type {string}
-             * @package
-             */
-            name: string;
-    
-            /**
-             * Rendering constant overrides, passed in through options.
-             * @type {?Object}
-             * @package
-             */
-            overrides: Object;
-    
-            /**
-             * Gets the class name that identifies this renderer.
-             * @return {string} The CSS class name.
-             * @package
-             */
-            getClassName(): string;
-    
-            /**
-             * Initialize the renderer.
-             * @param {!Blockly.Theme} theme The workspace theme object.
-             * @param {Object=} opt_rendererOverrides Rendering constant overrides.
-             * @package
-             */
-            init(theme: Blockly.Theme, opt_rendererOverrides?: Object): void;
-    
-            /**
-             * Create any DOM elements that this renderer needs.
-             * @param {!SVGElement} svg The root of the workspace's SVG.
-             * @param {!Blockly.Theme} theme The workspace theme object.
-             * @package
-             */
-            createDom(svg: SVGElement, theme: Blockly.Theme): void;
-    
-            /**
-             * Refresh the renderer after a theme change.
-             * @param {!SVGElement} svg The root of the workspace's SVG.
-             * @param {!Blockly.Theme} theme The workspace theme object.
-             * @package
-             */
-            refreshDom(svg: SVGElement, theme: Blockly.Theme): void;
-    
-            /**
-             * Dispose of this renderer.
-             * Delete all DOM elements that this renderer and its constants created.
-             * @package
-             */
-            dispose(): void;
-    
-            /**
-             * Create a new instance of the renderer's constant provider.
-             * @return {!Blockly.blockRendering.ConstantProvider} The constant provider.
-             * @protected
-             */
-            makeConstants_(): Blockly.blockRendering.ConstantProvider;
-    
-            /**
-             * Create a new instance of the renderer's render info object.
-             * @param {!Blockly.BlockSvg} block The block to measure.
-             * @return {!Blockly.blockRendering.RenderInfo} The render info object.
-             * @protected
-             */
-            makeRenderInfo_(block: Blockly.BlockSvg): Blockly.blockRendering.RenderInfo;
-    
-            /**
-             * Create a new instance of the renderer's drawer.
-             * @param {!Blockly.BlockSvg} block The block to render.
-             * @param {!Blockly.blockRendering.RenderInfo} info An object containing all
-             *   information needed to render this block.
-             * @return {!Blockly.blockRendering.Drawer} The drawer.
-             * @protected
-             */
-            makeDrawer_(block: Blockly.BlockSvg, info: Blockly.blockRendering.RenderInfo): Blockly.blockRendering.Drawer;
-    
-            /**
-             * Create a new instance of the renderer's debugger.
-             * @return {!Blockly.blockRendering.Debug} The renderer debugger.
-             * @suppress {strictModuleDepCheck} Debug renderer only included in playground.
-             * @protected
-             */
-            makeDebugger_(): Blockly.blockRendering.Debug;
-    
-            /**
-             * Create a new instance of the renderer's marker drawer.
-             * @param {!Blockly.WorkspaceSvg} workspace The workspace the marker belongs to.
-             * @param {!Blockly.Marker} marker The marker.
-             * @return {!Blockly.blockRendering.MarkerSvg} The object in charge of drawing
-             *     the marker.
-             * @package
-             */
-            makeMarkerDrawer(workspace: Blockly.WorkspaceSvg, marker: Blockly.Marker): Blockly.blockRendering.MarkerSvg;
-    
-            /**
-             * Create a new instance of a renderer path object.
-             * @param {!SVGElement} root The root SVG element.
-             * @param {!Blockly.Theme.BlockStyle} style The style object to use for
-             *     colouring.
-             * @return {!Blockly.blockRendering.IPathObject} The renderer path object.
-             * @package
-             */
-            makePathObject(root: SVGElement, style: Blockly.Theme.BlockStyle): Blockly.blockRendering.IPathObject;
-    
-            /**
-             * Get the current renderer's constant provider.  We assume that when this is
-             * called, the renderer has already been initialized.
-             * @return {!Blockly.blockRendering.ConstantProvider} The constant provider.
-             * @package
-             */
-            getConstants(): Blockly.blockRendering.ConstantProvider;
-    
-            /**
-             * Determine whether or not to highlight a connection.
-             * @param {Blockly.Connection} _conn The connection to determine whether or not
-             *     to highlight.
-             * @return {boolean} True if we should highlight the connection.
-             * @package
-             */
-            shouldHighlightConnection(_conn: Blockly.Connection): boolean;
-    
-            /**
-             * Checks if an orphaned block can connect to the "end" of the topBlock's
-             * block-clump. If the clump is a row the end is the last input. If the clump
-             * is a stack, the end is the last next connection. If the clump is neither,
-             * then this returns false.
-             * @param {!Blockly.BlockSvg} topBlock The top block of the block clump we want to try and
-             *     connect to.
-             * @param {!Blockly.BlockSvg} orphanBlock The orphan block that wants to find
-             *     a home.
-             * @param {number} localType The type of the connection being dragged.
-             * @return {boolean} Whether there is a home for the orphan or not.
-             * @package
-             */
-            orphanCanConnectAtEnd(topBlock: Blockly.BlockSvg, orphanBlock: Blockly.BlockSvg, localType: number): boolean;
-    
-            /**
-             * Chooses a connection preview method based on the available connection, the
-             * current dragged connection, and the block being dragged.
-             * @param {!Blockly.RenderedConnection} closest The available connection.
-             * @param {!Blockly.RenderedConnection} local The connection currently being
-             *     dragged.
-             * @param {!Blockly.BlockSvg} topBlock The block currently being dragged.
-             * @return {!Blockly.InsertionMarkerManager.PREVIEW_TYPE} The preview type
-             *     to display.
-             * @package
-             */
-            getConnectionPreviewMethod(closest: Blockly.RenderedConnection, local: Blockly.RenderedConnection, topBlock: Blockly.BlockSvg): Blockly.InsertionMarkerManager.PREVIEW_TYPE;
-    
-            /**
-             * Render the block.
-             * @param {!Blockly.BlockSvg} block The block to render.
-             * @package
-             */
-            render(block: Blockly.BlockSvg): void;
-    } 
-    
-}
-
-
-declare module Blockly.blockRendering {
-
-    class Measurable extends Measurable__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Measurable__Class  { 
-    
-            /**
-             * The base class to represent a part of a block that takes up space during
-             * rendering.  The constructor for each non-spacer Measurable records the size
-             * of the block element (e.g. field, statement input).
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @package
-             * @constructor
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider);
-    
-            /**
-             * The renderer's constant provider.
-             * @type {!Blockly.blockRendering.ConstantProvider}
-             * @protected
-             */
-            constants_: Blockly.blockRendering.ConstantProvider;
-    } 
-    
-}
-
-
-declare module Blockly.blockRendering {
-
-    class Connection extends Connection__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Connection__Class extends Blockly.blockRendering.Measurable__Class  { 
-    
-            /**
-             * The base class to represent a connection and the space that it takes up on
-             * the block.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @param {!Blockly.RenderedConnection} connectionModel The connection object on
-             *     the block that this represents.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Measurable}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider, connectionModel: Blockly.RenderedConnection);
-    } 
-    
-
-    class OutputConnection extends OutputConnection__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class OutputConnection__Class extends Blockly.blockRendering.Connection__Class  { 
-    
-            /**
-             * An object containing information about the space an output connection takes
-             * up during rendering.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @param {Blockly.RenderedConnection} connectionModel The connection object on
-             *     the block that this represents.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Connection}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider, connectionModel: Blockly.RenderedConnection);
-    } 
-    
-
-    class PreviousConnection extends PreviousConnection__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class PreviousConnection__Class extends Blockly.blockRendering.Connection__Class  { 
-    
-            /**
-             * An object containing information about the space a previous connection takes
-             * up during rendering.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @param {Blockly.RenderedConnection} connectionModel The connection object on
-             *     the block that this represents.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Connection}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider, connectionModel: Blockly.RenderedConnection);
-    } 
-    
-
-    class NextConnection extends NextConnection__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class NextConnection__Class extends Blockly.blockRendering.Connection__Class  { 
-    
-            /**
-             * An object containing information about the space a next connection takes
-             * up during rendering.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @param {Blockly.RenderedConnection} connectionModel The connection object on
-             *     the block that this represents.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Connection}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider, connectionModel: Blockly.RenderedConnection);
-    } 
-    
-}
-
-
-declare module Blockly.blockRendering {
-
-    class InputConnection extends InputConnection__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class InputConnection__Class extends Blockly.blockRendering.Connection__Class  { 
-    
-            /**
-             * The base class to represent an input that takes up space on a block
-             * during rendering
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @param {!Blockly.Input} input The input to measure and store information for.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Connection}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider, input: Blockly.Input);
-    } 
-    
-
-    class InlineInput extends InlineInput__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class InlineInput__Class extends Blockly.blockRendering.InputConnection__Class  { 
-    
-            /**
-             * An object containing information about the space an inline input takes up
-             * during rendering
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @param {!Blockly.Input} input The inline input to measure and store
-             *     information for.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.InputConnection}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider, input: Blockly.Input);
-    } 
-    
-
-    class StatementInput extends StatementInput__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class StatementInput__Class extends Blockly.blockRendering.InputConnection__Class  { 
-    
-            /**
-             * An object containing information about the space a statement input takes up
-             * during rendering
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @param {!Blockly.Input} input The statement input to measure and store
-             *     information for.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.InputConnection}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider, input: Blockly.Input);
-    } 
-    
-
-    class ExternalValueInput extends ExternalValueInput__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class ExternalValueInput__Class extends Blockly.blockRendering.InputConnection__Class  { 
-    
-            /**
-             * An object containing information about the space an external value input
-             * takes up during rendering
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @param {!Blockly.Input} input The external value input to measure and store
-             *     information for.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.InputConnection}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider, input: Blockly.Input);
-    } 
-    
-}
-
-
-declare module Blockly.blockRendering {
-
-    class Icon extends Icon__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Icon__Class extends Blockly.blockRendering.Measurable__Class  { 
-    
-            /**
-             * An object containing information about the space an icon takes up during
-             * rendering
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @param {!Blockly.Icon} icon The icon to measure and store information for.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Measurable}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider, icon: Blockly.Icon);
-    } 
-    
-
-    class JaggedEdge extends JaggedEdge__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class JaggedEdge__Class extends Blockly.blockRendering.Measurable__Class  { 
-    
-            /**
-             * An object containing information about the jagged edge of a collapsed block
-             * takes up during rendering
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Measurable}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider);
-    } 
-    
-
-    class Field extends Field__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Field__Class extends Blockly.blockRendering.Measurable__Class  { 
-    
-            /**
-             * An object containing information about the space a field takes up during
-             * rendering
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @param {!Blockly.Field} field The field to measure and store information for.
-             * @param {!Blockly.Input} parentInput The parent input for the field.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Measurable}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider, field: Blockly.Field, parentInput: Blockly.Input);
-    } 
-    
-
-    class Hat extends Hat__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Hat__Class extends Blockly.blockRendering.Measurable__Class  { 
-    
-            /**
-             * An object containing information about the space a hat takes up during
-             * rendering.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Measurable}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider);
-    } 
-    
-
-    class SquareCorner extends SquareCorner__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class SquareCorner__Class extends Blockly.blockRendering.Measurable__Class  { 
-    
-            /**
-             * An object containing information about the space a square corner takes up
-             * during rendering.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @param {string=} opt_position The position of this corner.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Measurable}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider, opt_position?: string);
-    } 
-    
-
-    class RoundCorner extends RoundCorner__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class RoundCorner__Class extends Blockly.blockRendering.Measurable__Class  { 
-    
-            /**
-             * An object containing information about the space a rounded corner takes up
-             * during rendering.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @param {string=} opt_position The position of this corner.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Measurable}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider, opt_position?: string);
-    } 
-    
-
-    class InRowSpacer extends InRowSpacer__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class InRowSpacer__Class extends Blockly.blockRendering.Measurable__Class  { 
-    
-            /**
-             * An object containing information about a spacer between two elements on a
-             * row.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @param {number} width The width of the spacer.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Measurable}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider, width: number);
-    } 
-    
-}
-
-
-declare module Blockly.blockRendering {
-
-    class Row extends Row__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class Row__Class  { 
-    
-            /**
-             * An object representing a single row on a rendered block and all of its
-             * subcomponents.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @package
-             * @constructor
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider);
-    
-            /**
-             * The type of this rendering object.
-             * @package
-             * @type {number}
-             */
-            type: number;
-    
-            /**
-             * An array of elements contained in this row.
-             * @package
-             * @type {!Array.<!Blockly.blockRendering.Measurable>}
-             */
-            elements: Blockly.blockRendering.Measurable[];
-    
-            /**
-             * The height of the row.
-             * @package
-             * @type {number}
-             */
-            height: number;
-    
-            /**
-             * The width of the row, from the left edge of the block to the right.
-             * Does not include child blocks unless they are inline.
-             * @package
-             * @type {number}
-             */
-            width: number;
-    
-            /**
-             * The minimum height of the row.
-             * @package
-             * @type {number}
-             */
-            minHeight: number;
-    
-            /**
-             * The minimum width of the row, from the left edge of the block to the right.
-             * Does not include child blocks unless they are inline.
-             * @package
-             * @type {number}
-             */
-            minWidth: number;
-    
-            /**
-             * The width of the row, from the left edge of the block to the edge of the
-             * block or any connected child blocks.
-             * @package
-             * @type {number}
-             */
-            widthWithConnectedBlocks: number;
-    
-            /**
-             * The Y position of the row relative to the origin of the block's svg group.
-             * @package
-             * @type {number}
-             */
-            yPos: number;
-    
-            /**
-             * The X position of the row relative to the origin of the block's svg group.
-             * @package
-             * @type {number}
-             */
-            xPos: number;
-    
-            /**
-             * Whether the row has any external inputs.
-             * @package
-             * @type {boolean}
-             */
-            hasExternalInput: boolean;
-    
-            /**
-             * Whether the row has any statement inputs.
-             * @package
-             * @type {boolean}
-             */
-            hasStatement: boolean;
-    
-            /**
-             * Whether the row has any inline inputs.
-             * @package
-             * @type {boolean}
-             */
-            hasInlineInput: boolean;
-    
-            /**
-             * Whether the row has any dummy inputs.
-             * @package
-             * @type {boolean}
-             */
-            hasDummyInput: boolean;
-    
-            /**
-             * Whether the row has a jagged edge.
-             * @package
-             * @type {boolean}
-             */
-            hasJaggedEdge: boolean;
-    
-            /**
-             * The renderer's constant provider.
-             * @type {!Blockly.blockRendering.ConstantProvider}
-             * @protected
-             */
-            constants_: Blockly.blockRendering.ConstantProvider;
-    
-            /**
-             * Alignment of the row.
-             * @package
-             * @type {?number}
-             */
-            align: number;
-    
-            /**
-             * Inspect all subcomponents and populate all size properties on the row.
-             * @package
-             */
-            measure(): void;
-    
-            /**
-             * Get the last input on this row, if it has one.
-             * @return {Blockly.blockRendering.InputConnection} The last input on the row,
-             *     or null.
-             * @package
-             */
-            getLastInput(): Blockly.blockRendering.InputConnection;
-    
-            /**
-             * Determines whether this row should start with an element spacer.
-             * @return {boolean} Whether the row should start with a spacer.
-             * @package
-             */
-            startsWithElemSpacer(): boolean;
-    
-            /**
-             * Determines whether this row should end with an element spacer.
-             * @return {boolean} Whether the row should end with a spacer.
-             * @package
-             */
-            endsWithElemSpacer(): boolean;
-    
-            /**
-             * Convenience method to get the first spacer element on this row.
-             * @return {Blockly.blockRendering.InRowSpacer} The first spacer element on
-             *   this row.
-             * @package
-             */
-            getFirstSpacer(): Blockly.blockRendering.InRowSpacer;
-    
-            /**
-             * Convenience method to get the last spacer element on this row.
-             * @return {Blockly.blockRendering.InRowSpacer} The last spacer element on
-             *   this row.
-             * @package
-             */
-            getLastSpacer(): Blockly.blockRendering.InRowSpacer;
-    } 
-    
-
-    class TopRow extends TopRow__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class TopRow__Class extends Blockly.blockRendering.Row__Class  { 
-    
-            /**
-             * An object containing information about what elements are in the top row of a
-             * block as well as sizing information for the top row.
-             * Elements in a top row can consist of corners, hats, spacers, and previous
-             * connections.
-             * After this constructor is called, the row will contain all non-spacer
-             * elements it needs.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Row}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider);
-    
-            /**
-             * The starting point for drawing the row, in the y direction.
-             * This allows us to draw hats and similar shapes that don't start at the
-             * origin. Must be non-negative (see #2820).
-             * @package
-             * @type {number}
-             */
-            capline: number;
-    
-            /**
-             * How much the row extends up above its capline.
-             * @type {number}
-             */
-            ascenderHeight: number;
-    
-            /**
-             * Whether the block has a previous connection.
-             * @package
-             * @type {boolean}
-             */
-            hasPreviousConnection: boolean;
-    
-            /**
-             * The previous connection on the block, if any.
-             * @type {Blockly.blockRendering.PreviousConnection}
-             */
-            connection: Blockly.blockRendering.PreviousConnection;
-    
-            /**
-             * Returns whether or not the top row has a left square corner.
-             * @param {!Blockly.BlockSvg} block The block whose top row this represents.
-             * @return {boolean} Whether or not the top row has a left square corner.
-             */
-            hasLeftSquareCorner(block: Blockly.BlockSvg): boolean;
-    
-            /**
-             * Returns whether or not the top row has a right square corner.
-             * @param {!Blockly.BlockSvg} _block The block whose top row this represents.
-             * @return {boolean} Whether or not the top row has a right square corner.
-             */
-            hasRightSquareCorner(_block: Blockly.BlockSvg): boolean;
-    } 
-    
-
-    class BottomRow extends BottomRow__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class BottomRow__Class extends Blockly.blockRendering.Row__Class  { 
-    
-            /**
-             * An object containing information about what elements are in the bottom row of
-             * a block as well as spacing information for the top row.
-             * Elements in a bottom row can consist of corners, spacers and next
-             * connections.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Row}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider);
-    
-            /**
-             * Whether this row has a next connection.
-             * @package
-             * @type {boolean}
-             */
-            hasNextConnection: boolean;
-    
-            /**
-             * The next connection on the row, if any.
-             * @package
-             * @type {Blockly.blockRendering.NextConnection}
-             */
-            connection: Blockly.blockRendering.NextConnection;
-    
-            /**
-             * The amount that the bottom of the block extends below the horizontal edge,
-             * e.g. because of a next connection.  Must be non-negative (see #2820).
-             * @package
-             * @type {number}
-             */
-            descenderHeight: number;
-    
-            /**
-             * The Y position of the bottom edge of the block, relative to the origin
-             * of the block rendering.
-             * @type {number}
-             */
-            baseline: number;
-    
-            /**
-             * Returns whether or not the bottom row has a left square corner.
-             * @param {!Blockly.BlockSvg} block The block whose bottom row this represents.
-             * @return {boolean} Whether or not the bottom row has a left square corner.
-             */
-            hasLeftSquareCorner(block: Blockly.BlockSvg): boolean;
-    
-            /**
-             * Returns whether or not the bottom row has a right square corner.
-             * @param {!Blockly.BlockSvg} _block The block whose bottom row this represents.
-             * @return {boolean} Whether or not the bottom row has a right square corner.
-             */
-            hasRightSquareCorner(_block: Blockly.BlockSvg): boolean;
-    } 
-    
-
-    class SpacerRow extends SpacerRow__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class SpacerRow__Class extends Blockly.blockRendering.Row__Class  { 
-    
-            /**
-             * An object containing information about a spacer between two rows.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @param {number} height The height of the spacer.
-             * @param {number} width The width of the spacer.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Row}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider, height: number, width: number);
-    } 
-    
-
-    class InputRow extends InputRow__Class { }
-    /** Fake class which should be extended to avoid inheriting static properties */
-    class InputRow__Class extends Blockly.blockRendering.Row__Class  { 
-    
-            /**
-             * An object containing information about a row that holds one or more inputs.
-             * @param {!Blockly.blockRendering.ConstantProvider} constants The rendering
-             *   constants provider.
-             * @package
-             * @constructor
-             * @extends {Blockly.blockRendering.Row}
-             */
-            constructor(constants: Blockly.blockRendering.ConstantProvider);
-    
-            /**
-             * The total width of all blocks connected to this row.
-             * @type {number}
-             * @package
-             */
-            connectedBlockWidths: number;
-    
-            /**
-             * Inspect all subcomponents and populate all size properties on the row.
-             * @package
-             */
-            measure(): void;
-    } 
-    
-}
-
-
-declare module Blockly.blockRendering {
-
-    /**
-     * Types of rendering elements.
-     * @enum {number}
-     */
-    enum Types { NONE, FIELD, HAT, ICON, SPACER, BETWEEN_ROW_SPACER, IN_ROW_SPACER, EXTERNAL_VALUE_INPUT, INPUT, INLINE_INPUT, STATEMENT_INPUT, CONNECTION, PREVIOUS_CONNECTION, NEXT_CONNECTION, OUTPUT_CONNECTION, CORNER, LEFT_SQUARE_CORNER, LEFT_ROUND_CORNER, RIGHT_SQUARE_CORNER, RIGHT_ROUND_CORNER, JAGGED_EDGE, ROW, TOP_ROW, BOTTOM_ROW, INPUT_ROW } 
-}
-
-declare module Blockly.blockRendering.Types {
-
-    /**
-     * A Left Corner Union Type.
-     * @type {number}
-     * @const
-     * @package
-     */
-    var LEFT_CORNER: number;
-
-    /**
-     * A Right Corner Union Type.
-     * @type {number}
-     * @const
-     * @package
-     */
-    var RIGHT_CORNER: number;
-
-    /**
-     * Get the enum flag value of an existing type or register a new type.
-     * @param {!string} type The name of the type.
-     * @return {!number} The enum flag value associated with that type.
-     * @package
-     */
-    function getType(type: string): number;
-
-    /**
-     * Whether a measurable stores information about a field.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about a field.
-     * @package
-     */
-    function isField(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about a hat.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about a hat.
-     * @package
-     */
-    function isHat(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about an icon.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about an icon.
-     * @package
-     */
-    function isIcon(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about a spacer.
-     * @param {!Blockly.blockRendering.Measurable|!Blockly.blockRendering.Row} elem
-     *     The element to check.
-     * @return {number} 1 if the object stores information about a spacer.
-     * @package
-     */
-    function isSpacer(elem: Blockly.blockRendering.Measurable|Blockly.blockRendering.Row): number;
-
-    /**
-     * Whether a measurable stores information about an in-row spacer.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about an
-     *   in-row spacer.
-     * @package
-     */
-    function isInRowSpacer(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about an input.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about an input.
-     * @package
-     */
-    function isInput(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about an external input.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about an
-     *   external input.
-     * @package
-     */
-    function isExternalInput(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about an inline input.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about an
-     *   inline input.
-     * @package
-     */
-    function isInlineInput(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about a statement input.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about a
-     *   statement input.
-     * @package
-     */
-    function isStatementInput(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about a previous connection.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about a
-     *   previous connection.
-     * @package
-     */
-    function isPreviousConnection(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about a next connection.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about a
-     *   next connection.
-     * @package
-     */
-    function isNextConnection(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about a previous or next connection.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about a previous or
-     *   next connection.
-     * @package
-     */
-    function isPreviousOrNextConnection(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about a left round corner.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about a
-     *   left round corner.
-     * @package
-     */
-    function isLeftRoundedCorner(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about a right round corner.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about a
-     *   right round corner.
-     * @package
-     */
-    function isRightRoundedCorner(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about a left square corner.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about a
-     *   left square corner.
-     * @package
-     */
-    function isLeftSquareCorner(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about a right square corner.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about a
-     *   right square corner.
-     * @package
-     */
-    function isRightSquareCorner(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about a corner.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about a
-     *   corner.
-     * @package
-     */
-    function isCorner(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about a jagged edge.
-     * @param {!Blockly.blockRendering.Measurable} elem The element to check.
-     * @return {number} 1 if the object stores information about a jagged edge.
-     * @package
-     */
-    function isJaggedEdge(elem: Blockly.blockRendering.Measurable): number;
-
-    /**
-     * Whether a measurable stores information about a row.
-     * @param {!Blockly.blockRendering.Row} row The row to check.
-     * @return {number} 1 if the object stores information about a row.
-     * @package
-     */
-    function isRow(row: Blockly.blockRendering.Row): number;
-
-    /**
-     * Whether a measurable stores information about a between-row spacer.
-     * @param {!Blockly.blockRendering.Row} row The row to check.
-     * @return {number} 1 if the object stores information about a
-     *   between-row spacer.
-     * @package
-     */
-    function isBetweenRowSpacer(row: Blockly.blockRendering.Row): number;
-
-    /**
-     * Whether a measurable stores information about a top row.
-     * @param {!Blockly.blockRendering.Row} row The row to check.
-     * @return {number} 1 if the object stores information about a top row.
-     * @package
-     */
-    function isTopRow(row: Blockly.blockRendering.Row): number;
-
-    /**
-     * Whether a measurable stores information about a bottom row.
-     * @param {!Blockly.blockRendering.Row} row The row to check.
-     * @return {number} 1 if the object stores information about a bottom row.
-     * @package
-     */
-    function isBottomRow(row: Blockly.blockRendering.Row): number;
-
-    /**
-     * Whether a measurable stores information about a top or bottom row.
-     * @param {!Blockly.blockRendering.Row} row The row to check.
-     * @return {number} 1 if the object stores information about a top or
-     *   bottom row.
-     * @package
-     */
-    function isTopOrBottomRow(row: Blockly.blockRendering.Row): number;
-
-    /**
-     * Whether a measurable stores information about an input row.
-     * @param {!Blockly.blockRendering.Row} row The row to check.
-     * @return {number} 1 if the object stores information about an input row.
-     * @package
-     */
-    function isInputRow(row: Blockly.blockRendering.Row): number;
-}
-
-
-declare module Blockly.Msg {
-
-    /** @type {string} */
-    var LOGIC_HUE: string;
-
-    /** @type {string} */
-    var LOOPS_HUE: string;
-
-    /** @type {string} */
-    var MATH_HUE: string;
-
-    /** @type {string} */
-    var TEXTS_HUE: string;
-
-    /** @type {string} */
-    var LISTS_HUE: string;
-
-    /** @type {string} */
-    var COLOUR_HUE: string;
-
-    /** @type {string} */
-    var VARIABLES_HUE: string;
-
-    /** @type {string} */
-    var VARIABLES_DYNAMIC_HUE: string;
-
-    /** @type {string} */
-    var PROCEDURES_HUE: string;
-
-    /** @type {string} */
-    var VARIABLES_DEFAULT_NAME: string;
-
-    /** @type {string} */
-    var UNNAMED_KEY: string;
-
-    /** @type {string} */
-    var TODAY: string;
-
-    /** @type {string} */
-    var DUPLICATE_BLOCK: string;
-
-    /** @type {string} */
-    var ADD_COMMENT: string;
-
-    /** @type {string} */
-    var REMOVE_COMMENT: string;
-
-    /** @type {string} */
-    var DUPLICATE_COMMENT: string;
-
-    /** @type {string} */
-    var EXTERNAL_INPUTS: string;
-
-    /** @type {string} */
-    var INLINE_INPUTS: string;
-
-    /** @type {string} */
-    var DELETE_BLOCK: string;
-
-    /** @type {string} */
-    var DELETE_X_BLOCKS: string;
-
-    /** @type {string} */
-    var DELETE_ALL_BLOCKS: string;
-
-    /** @type {string} */
-    var CLEAN_UP: string;
-
-    /** @type {string} */
-    var COLLAPSE_BLOCK: string;
-
-    /** @type {string} */
-    var COLLAPSE_ALL: string;
-
-    /** @type {string} */
-    var EXPAND_BLOCK: string;
-
-    /** @type {string} */
-    var EXPAND_ALL: string;
-
-    /** @type {string} */
-    var DISABLE_BLOCK: string;
-
-    /** @type {string} */
-    var ENABLE_BLOCK: string;
-
-    /** @type {string} */
-    var HELP: string;
-
-    /** @type {string} */
-    var UNDO: string;
-
-    /** @type {string} */
-    var REDO: string;
-
-    /** @type {string} */
-    var CHANGE_VALUE_TITLE: string;
-
-    /** @type {string} */
-    var RENAME_VARIABLE: string;
-
-    /** @type {string} */
-    var RENAME_VARIABLE_TITLE: string;
-
-    /** @type {string} */
-    var NEW_VARIABLE: string;
-
-    /** @type {string} */
-    var NEW_STRING_VARIABLE: string;
-
-    /** @type {string} */
-    var NEW_NUMBER_VARIABLE: string;
-
-    /** @type {string} */
-    var NEW_COLOUR_VARIABLE: string;
-
-    /** @type {string} */
-    var NEW_VARIABLE_TYPE_TITLE: string;
-
-    /** @type {string} */
-    var NEW_VARIABLE_TITLE: string;
-
-    /** @type {string} */
-    var VARIABLE_ALREADY_EXISTS: string;
-
-    /** @type {string} */
-    var VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE: string;
-
-    /** @type {string} */
-    var DELETE_VARIABLE_CONFIRMATION: string;
-
-    /** @type {string} */
-    var CANNOT_DELETE_VARIABLE_PROCEDURE: string;
-
-    /** @type {string} */
-    var DELETE_VARIABLE: string;
-
-    /** @type {string} */
-    var COLOUR_PICKER_HELPURL: string;
-
-    /** @type {string} */
-    var COLOUR_PICKER_TOOLTIP: string;
-
-    /** @type {string} */
-    var COLOUR_RANDOM_HELPURL: string;
-
-    /** @type {string} */
-    var COLOUR_RANDOM_TITLE: string;
-
-    /** @type {string} */
-    var COLOUR_RANDOM_TOOLTIP: string;
-
-    /** @type {string} */
-    var COLOUR_RGB_HELPURL: string;
-
-    /** @type {string} */
-    var COLOUR_RGB_TITLE: string;
-
-    /** @type {string} */
-    var COLOUR_RGB_RED: string;
-
-    /** @type {string} */
-    var COLOUR_RGB_GREEN: string;
-
-    /** @type {string} */
-    var COLOUR_RGB_BLUE: string;
-
-    /** @type {string} */
-    var COLOUR_RGB_TOOLTIP: string;
-
-    /** @type {string} */
-    var COLOUR_BLEND_HELPURL: string;
-
-    /** @type {string} */
-    var COLOUR_BLEND_TITLE: string;
-
-    /** @type {string} */
-    var COLOUR_BLEND_COLOUR1: string;
-
-    /** @type {string} */
-    var COLOUR_BLEND_COLOUR2: string;
-
-    /** @type {string} */
-    var COLOUR_BLEND_RATIO: string;
-
-    /** @type {string} */
-    var COLOUR_BLEND_TOOLTIP: string;
-
-    /** @type {string} */
-    var CONTROLS_REPEAT_HELPURL: string;
-
-    /** @type {string} */
-    var CONTROLS_REPEAT_TITLE: string;
-
-    /** @type {string} */
-    var CONTROLS_REPEAT_INPUT_DO: string;
-
-    /** @type {string} */
-    var CONTROLS_REPEAT_TOOLTIP: string;
-
-    /** @type {string} */
-    var CONTROLS_WHILEUNTIL_HELPURL: string;
-
-    /** @type {string} */
-    var CONTROLS_WHILEUNTIL_INPUT_DO: string;
-
-    /** @type {string} */
-    var CONTROLS_WHILEUNTIL_OPERATOR_WHILE: string;
-
-    /** @type {string} */
-    var CONTROLS_WHILEUNTIL_OPERATOR_UNTIL: string;
-
-    /** @type {string} */
-    var CONTROLS_WHILEUNTIL_TOOLTIP_WHILE: string;
-
-    /** @type {string} */
-    var CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL: string;
-
-    /** @type {string} */
-    var CONTROLS_FOR_HELPURL: string;
-
-    /** @type {string} */
-    var CONTROLS_FOR_TOOLTIP: string;
-
-    /** @type {string} */
-    var CONTROLS_FOR_TITLE: string;
-
-    /** @type {string} */
-    var CONTROLS_FOR_INPUT_DO: string;
-
-    /** @type {string} */
-    var CONTROLS_FOREACH_HELPURL: string;
-
-    /** @type {string} */
-    var CONTROLS_FOREACH_TITLE: string;
-
-    /** @type {string} */
-    var CONTROLS_FOREACH_INPUT_DO: string;
-
-    /** @type {string} */
-    var CONTROLS_FOREACH_TOOLTIP: string;
-
-    /** @type {string} */
-    var CONTROLS_FLOW_STATEMENTS_HELPURL: string;
-
-    /** @type {string} */
-    var CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK: string;
-
-    /** @type {string} */
-    var CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE: string;
-
-    /** @type {string} */
-    var CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK: string;
-
-    /** @type {string} */
-    var CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE: string;
-
-    /** @type {string} */
-    var CONTROLS_FLOW_STATEMENTS_WARNING: string;
-
-    /** @type {string} */
-    var CONTROLS_IF_HELPURL: string;
-
-    /** @type {string} */
-    var CONTROLS_IF_TOOLTIP_1: string;
-
-    /** @type {string} */
-    var CONTROLS_IF_TOOLTIP_2: string;
-
-    /** @type {string} */
-    var CONTROLS_IF_TOOLTIP_3: string;
-
-    /** @type {string} */
-    var CONTROLS_IF_TOOLTIP_4: string;
-
-    /** @type {string} */
-    var CONTROLS_IF_MSG_IF: string;
-
-    /** @type {string} */
-    var CONTROLS_IF_MSG_ELSEIF: string;
-
-    /** @type {string} */
-    var CONTROLS_IF_MSG_ELSE: string;
-
-    /** @type {string} */
-    var CONTROLS_IF_MSG_THEN: string;
-
-    /** @type {string} */
-    var CONTROLS_IF_IF_TITLE_IF: string;
-
-    /** @type {string} */
-    var CONTROLS_IF_IF_TOOLTIP: string;
-
-    /** @type {string} */
-    var CONTROLS_IF_ELSEIF_TITLE_ELSEIF: string;
-
-    /** @type {string} */
-    var CONTROLS_IF_ELSEIF_TOOLTIP: string;
-
-    /** @type {string} */
-    var CONTROLS_IF_ELSE_TITLE_ELSE: string;
-
-    /** @type {string} */
-    var CONTROLS_IF_ELSE_TOOLTIP: string;
-
-    /** @type {string} */
-    var IOS_OK: string;
-
-    /** @type {string} */
-    var IOS_CANCEL: string;
-
-    /** @type {string} */
-    var IOS_ERROR: string;
-
-    /** @type {string} */
-    var IOS_PROCEDURES_INPUTS: string;
-
-    /** @type {string} */
-    var IOS_PROCEDURES_ADD_INPUT: string;
-
-    /** @type {string} */
-    var IOS_PROCEDURES_ALLOW_STATEMENTS: string;
-
-    /** @type {string} */
-    var IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR: string;
-
-    /** @type {string} */
-    var IOS_VARIABLES_ADD_VARIABLE: string;
-
-    /** @type {string} */
-    var IOS_VARIABLES_ADD_BUTTON: string;
-
-    /** @type {string} */
-    var IOS_VARIABLES_RENAME_BUTTON: string;
-
-    /** @type {string} */
-    var IOS_VARIABLES_DELETE_BUTTON: string;
-
-    /** @type {string} */
-    var IOS_VARIABLES_VARIABLE_NAME: string;
-
-    /** @type {string} */
-    var IOS_VARIABLES_EMPTY_NAME_ERROR: string;
-
-    /** @type {string} */
-    var LOGIC_COMPARE_HELPURL: string;
-
-    /** @type {string} */
-    var LOGIC_COMPARE_TOOLTIP_EQ: string;
-
-    /** @type {string} */
-    var LOGIC_COMPARE_TOOLTIP_NEQ: string;
-
-    /** @type {string} */
-    var LOGIC_COMPARE_TOOLTIP_LT: string;
-
-    /** @type {string} */
-    var LOGIC_COMPARE_TOOLTIP_LTE: string;
-
-    /** @type {string} */
-    var LOGIC_COMPARE_TOOLTIP_GT: string;
-
-    /** @type {string} */
-    var LOGIC_COMPARE_TOOLTIP_GTE: string;
-
-    /** @type {string} */
-    var LOGIC_OPERATION_HELPURL: string;
-
-    /** @type {string} */
-    var LOGIC_OPERATION_TOOLTIP_AND: string;
-
-    /** @type {string} */
-    var LOGIC_OPERATION_AND: string;
-
-    /** @type {string} */
-    var LOGIC_OPERATION_TOOLTIP_OR: string;
-
-    /** @type {string} */
-    var LOGIC_OPERATION_OR: string;
-
-    /** @type {string} */
-    var LOGIC_NEGATE_HELPURL: string;
-
-    /** @type {string} */
-    var LOGIC_NEGATE_TITLE: string;
-
-    /** @type {string} */
-    var LOGIC_NEGATE_TOOLTIP: string;
-
-    /** @type {string} */
-    var LOGIC_BOOLEAN_HELPURL: string;
-
-    /** @type {string} */
-    var LOGIC_BOOLEAN_TRUE: string;
-
-    /** @type {string} */
-    var LOGIC_BOOLEAN_FALSE: string;
-
-    /** @type {string} */
-    var LOGIC_BOOLEAN_TOOLTIP: string;
-
-    /** @type {string} */
-    var LOGIC_NULL_HELPURL: string;
-
-    /** @type {string} */
-    var LOGIC_NULL: string;
-
-    /** @type {string} */
-    var LOGIC_NULL_TOOLTIP: string;
-
-    /** @type {string} */
-    var LOGIC_TERNARY_HELPURL: string;
-
-    /** @type {string} */
-    var LOGIC_TERNARY_CONDITION: string;
-
-    /** @type {string} */
-    var LOGIC_TERNARY_IF_TRUE: string;
-
-    /** @type {string} */
-    var LOGIC_TERNARY_IF_FALSE: string;
-
-    /** @type {string} */
-    var LOGIC_TERNARY_TOOLTIP: string;
-
-    /** @type {string} */
-    var MATH_NUMBER_HELPURL: string;
-
-    /** @type {string} */
-    var MATH_NUMBER_TOOLTIP: string;
-
-    /** @type {string} */
-    var MATH_ADDITION_SYMBOL: string;
-
-    /** @type {string} */
-    var MATH_SUBTRACTION_SYMBOL: string;
-
-    /** @type {string} */
-    var MATH_DIVISION_SYMBOL: string;
-
-    /** @type {string} */
-    var MATH_MULTIPLICATION_SYMBOL: string;
-
-    /** @type {string} */
-    var MATH_POWER_SYMBOL: string;
-
-    /** @type {string} */
-    var MATH_TRIG_SIN: string;
-
-    /** @type {string} */
-    var MATH_TRIG_COS: string;
-
-    /** @type {string} */
-    var MATH_TRIG_TAN: string;
-
-    /** @type {string} */
-    var MATH_TRIG_ASIN: string;
-
-    /** @type {string} */
-    var MATH_TRIG_ACOS: string;
-
-    /** @type {string} */
-    var MATH_TRIG_ATAN: string;
-
-    /** @type {string} */
-    var MATH_ARITHMETIC_HELPURL: string;
-
-    /** @type {string} */
-    var MATH_ARITHMETIC_TOOLTIP_ADD: string;
-
-    /** @type {string} */
-    var MATH_ARITHMETIC_TOOLTIP_MINUS: string;
-
-    /** @type {string} */
-    var MATH_ARITHMETIC_TOOLTIP_MULTIPLY: string;
-
-    /** @type {string} */
-    var MATH_ARITHMETIC_TOOLTIP_DIVIDE: string;
-
-    /** @type {string} */
-    var MATH_ARITHMETIC_TOOLTIP_POWER: string;
-
-    /** @type {string} */
-    var MATH_SINGLE_HELPURL: string;
-
-    /** @type {string} */
-    var MATH_SINGLE_OP_ROOT: string;
-
-    /** @type {string} */
-    var MATH_SINGLE_TOOLTIP_ROOT: string;
-
-    /** @type {string} */
-    var MATH_SINGLE_OP_ABSOLUTE: string;
-
-    /** @type {string} */
-    var MATH_SINGLE_TOOLTIP_ABS: string;
-
-    /** @type {string} */
-    var MATH_SINGLE_TOOLTIP_NEG: string;
-
-    /** @type {string} */
-    var MATH_SINGLE_TOOLTIP_LN: string;
-
-    /** @type {string} */
-    var MATH_SINGLE_TOOLTIP_LOG10: string;
-
-    /** @type {string} */
-    var MATH_SINGLE_TOOLTIP_EXP: string;
-
-    /** @type {string} */
-    var MATH_SINGLE_TOOLTIP_POW10: string;
-
-    /** @type {string} */
-    var MATH_TRIG_HELPURL: string;
-
-    /** @type {string} */
-    var MATH_TRIG_TOOLTIP_SIN: string;
-
-    /** @type {string} */
-    var MATH_TRIG_TOOLTIP_COS: string;
-
-    /** @type {string} */
-    var MATH_TRIG_TOOLTIP_TAN: string;
-
-    /** @type {string} */
-    var MATH_TRIG_TOOLTIP_ASIN: string;
-
-    /** @type {string} */
-    var MATH_TRIG_TOOLTIP_ACOS: string;
-
-    /** @type {string} */
-    var MATH_TRIG_TOOLTIP_ATAN: string;
-
-    /** @type {string} */
-    var MATH_CONSTANT_HELPURL: string;
-
-    /** @type {string} */
-    var MATH_CONSTANT_TOOLTIP: string;
-
-    /** @type {string} */
-    var MATH_IS_EVEN: string;
-
-    /** @type {string} */
-    var MATH_IS_ODD: string;
-
-    /** @type {string} */
-    var MATH_IS_PRIME: string;
-
-    /** @type {string} */
-    var MATH_IS_WHOLE: string;
-
-    /** @type {string} */
-    var MATH_IS_POSITIVE: string;
-
-    /** @type {string} */
-    var MATH_IS_NEGATIVE: string;
-
-    /** @type {string} */
-    var MATH_IS_DIVISIBLE_BY: string;
-
-    /** @type {string} */
-    var MATH_IS_TOOLTIP: string;
-
-    /** @type {string} */
-    var MATH_CHANGE_HELPURL: string;
-
-    /** @type {string} */
-    var MATH_CHANGE_TITLE: string;
-
-    /** @type {string} */
-    var MATH_CHANGE_TITLE_ITEM: string;
-
-    /** @type {string} */
-    var MATH_CHANGE_TOOLTIP: string;
-
-    /** @type {string} */
-    var MATH_ROUND_HELPURL: string;
-
-    /** @type {string} */
-    var MATH_ROUND_TOOLTIP: string;
-
-    /** @type {string} */
-    var MATH_ROUND_OPERATOR_ROUND: string;
-
-    /** @type {string} */
-    var MATH_ROUND_OPERATOR_ROUNDUP: string;
-
-    /** @type {string} */
-    var MATH_ROUND_OPERATOR_ROUNDDOWN: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_HELPURL: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_OPERATOR_SUM: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_TOOLTIP_SUM: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_OPERATOR_MIN: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_TOOLTIP_MIN: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_OPERATOR_MAX: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_TOOLTIP_MAX: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_OPERATOR_AVERAGE: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_TOOLTIP_AVERAGE: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_OPERATOR_MEDIAN: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_TOOLTIP_MEDIAN: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_OPERATOR_MODE: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_TOOLTIP_MODE: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_OPERATOR_STD_DEV: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_TOOLTIP_STD_DEV: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_OPERATOR_RANDOM: string;
-
-    /** @type {string} */
-    var MATH_ONLIST_TOOLTIP_RANDOM: string;
-
-    /** @type {string} */
-    var MATH_MODULO_HELPURL: string;
-
-    /** @type {string} */
-    var MATH_MODULO_TITLE: string;
-
-    /** @type {string} */
-    var MATH_MODULO_TOOLTIP: string;
-
-    /** @type {string} */
-    var MATH_CONSTRAIN_HELPURL: string;
-
-    /** @type {string} */
-    var MATH_CONSTRAIN_TITLE: string;
-
-    /** @type {string} */
-    var MATH_CONSTRAIN_TOOLTIP: string;
-
-    /** @type {string} */
-    var MATH_RANDOM_INT_HELPURL: string;
-
-    /** @type {string} */
-    var MATH_RANDOM_INT_TITLE: string;
-
-    /** @type {string} */
-    var MATH_RANDOM_INT_TOOLTIP: string;
-
-    /** @type {string} */
-    var MATH_RANDOM_FLOAT_HELPURL: string;
-
-    /** @type {string} */
-    var MATH_RANDOM_FLOAT_TITLE_RANDOM: string;
-
-    /** @type {string} */
-    var MATH_RANDOM_FLOAT_TOOLTIP: string;
-
-    /** @type {string} */
-    var MATH_ATAN2_HELPURL: string;
-
-    /** @type {string} */
-    var MATH_ATAN2_TITLE: string;
-
-    /** @type {string} */
-    var MATH_ATAN2_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_TEXT_HELPURL: string;
-
-    /** @type {string} */
-    var TEXT_TEXT_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_JOIN_HELPURL: string;
-
-    /** @type {string} */
-    var TEXT_JOIN_TITLE_CREATEWITH: string;
-
-    /** @type {string} */
-    var TEXT_JOIN_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_CREATE_JOIN_TITLE_JOIN: string;
-
-    /** @type {string} */
-    var TEXT_CREATE_JOIN_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_CREATE_JOIN_ITEM_TITLE_ITEM: string;
-
-    /** @type {string} */
-    var TEXT_CREATE_JOIN_ITEM_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_APPEND_HELPURL: string;
-
-    /** @type {string} */
-    var TEXT_APPEND_TITLE: string;
-
-    /** @type {string} */
-    var TEXT_APPEND_VARIABLE: string;
-
-    /** @type {string} */
-    var TEXT_APPEND_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_LENGTH_HELPURL: string;
-
-    /** @type {string} */
-    var TEXT_LENGTH_TITLE: string;
-
-    /** @type {string} */
-    var TEXT_LENGTH_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_ISEMPTY_HELPURL: string;
-
-    /** @type {string} */
-    var TEXT_ISEMPTY_TITLE: string;
-
-    /** @type {string} */
-    var TEXT_ISEMPTY_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_INDEXOF_HELPURL: string;
-
-    /** @type {string} */
-    var TEXT_INDEXOF_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_INDEXOF_TITLE: string;
-
-    /** @type {string} */
-    var TEXT_INDEXOF_OPERATOR_FIRST: string;
-
-    /** @type {string} */
-    var TEXT_INDEXOF_OPERATOR_LAST: string;
-
-    /** @type {string} */
-    var TEXT_CHARAT_HELPURL: string;
-
-    /** @type {string} */
-    var TEXT_CHARAT_TITLE: string;
-
-    /** @type {string} */
-    var TEXT_CHARAT_FROM_START: string;
-
-    /** @type {string} */
-    var TEXT_CHARAT_FROM_END: string;
-
-    /** @type {string} */
-    var TEXT_CHARAT_FIRST: string;
-
-    /** @type {string} */
-    var TEXT_CHARAT_LAST: string;
-
-    /** @type {string} */
-    var TEXT_CHARAT_RANDOM: string;
-
-    /** @type {string} */
-    var TEXT_CHARAT_TAIL: string;
-
-    /** @type {string} */
-    var TEXT_CHARAT_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_GET_SUBSTRING_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_GET_SUBSTRING_HELPURL: string;
-
-    /** @type {string} */
-    var TEXT_GET_SUBSTRING_INPUT_IN_TEXT: string;
-
-    /** @type {string} */
-    var TEXT_GET_SUBSTRING_START_FROM_START: string;
-
-    /** @type {string} */
-    var TEXT_GET_SUBSTRING_START_FROM_END: string;
-
-    /** @type {string} */
-    var TEXT_GET_SUBSTRING_START_FIRST: string;
-
-    /** @type {string} */
-    var TEXT_GET_SUBSTRING_END_FROM_START: string;
-
-    /** @type {string} */
-    var TEXT_GET_SUBSTRING_END_FROM_END: string;
-
-    /** @type {string} */
-    var TEXT_GET_SUBSTRING_END_LAST: string;
-
-    /** @type {string} */
-    var TEXT_GET_SUBSTRING_TAIL: string;
-
-    /** @type {string} */
-    var TEXT_CHANGECASE_HELPURL: string;
-
-    /** @type {string} */
-    var TEXT_CHANGECASE_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_CHANGECASE_OPERATOR_UPPERCASE: string;
-
-    /** @type {string} */
-    var TEXT_CHANGECASE_OPERATOR_LOWERCASE: string;
-
-    /** @type {string} */
-    var TEXT_CHANGECASE_OPERATOR_TITLECASE: string;
-
-    /** @type {string} */
-    var TEXT_TRIM_HELPURL: string;
-
-    /** @type {string} */
-    var TEXT_TRIM_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_TRIM_OPERATOR_BOTH: string;
-
-    /** @type {string} */
-    var TEXT_TRIM_OPERATOR_LEFT: string;
-
-    /** @type {string} */
-    var TEXT_TRIM_OPERATOR_RIGHT: string;
-
-    /** @type {string} */
-    var TEXT_PRINT_HELPURL: string;
-
-    /** @type {string} */
-    var TEXT_PRINT_TITLE: string;
-
-    /** @type {string} */
-    var TEXT_PRINT_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_PROMPT_HELPURL: string;
-
-    /** @type {string} */
-    var TEXT_PROMPT_TYPE_TEXT: string;
-
-    /** @type {string} */
-    var TEXT_PROMPT_TYPE_NUMBER: string;
-
-    /** @type {string} */
-    var TEXT_PROMPT_TOOLTIP_NUMBER: string;
-
-    /** @type {string} */
-    var TEXT_PROMPT_TOOLTIP_TEXT: string;
-
-    /** @type {string} */
-    var TEXT_COUNT_MESSAGE0: string;
-
-    /** @type {string} */
-    var TEXT_COUNT_HELPURL: string;
-
-    /** @type {string} */
-    var TEXT_COUNT_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_REPLACE_MESSAGE0: string;
-
-    /** @type {string} */
-    var TEXT_REPLACE_HELPURL: string;
-
-    /** @type {string} */
-    var TEXT_REPLACE_TOOLTIP: string;
-
-    /** @type {string} */
-    var TEXT_REVERSE_MESSAGE0: string;
-
-    /** @type {string} */
-    var TEXT_REVERSE_HELPURL: string;
-
-    /** @type {string} */
-    var TEXT_REVERSE_TOOLTIP: string;
-
-    /** @type {string} */
-    var LISTS_CREATE_EMPTY_HELPURL: string;
-
-    /** @type {string} */
-    var LISTS_CREATE_EMPTY_TITLE: string;
-
-    /** @type {string} */
-    var LISTS_CREATE_EMPTY_TOOLTIP: string;
-
-    /** @type {string} */
-    var LISTS_CREATE_WITH_HELPURL: string;
-
-    /** @type {string} */
-    var LISTS_CREATE_WITH_TOOLTIP: string;
-
-    /** @type {string} */
-    var LISTS_CREATE_WITH_INPUT_WITH: string;
-
-    /** @type {string} */
-    var LISTS_CREATE_WITH_CONTAINER_TITLE_ADD: string;
-
-    /** @type {string} */
-    var LISTS_CREATE_WITH_CONTAINER_TOOLTIP: string;
-
-    /** @type {string} */
-    var LISTS_CREATE_WITH_ITEM_TITLE: string;
-
-    /** @type {string} */
-    var LISTS_CREATE_WITH_ITEM_TOOLTIP: string;
-
-    /** @type {string} */
-    var LISTS_REPEAT_HELPURL: string;
-
-    /** @type {string} */
-    var LISTS_REPEAT_TOOLTIP: string;
-
-    /** @type {string} */
-    var LISTS_REPEAT_TITLE: string;
-
-    /** @type {string} */
-    var LISTS_LENGTH_HELPURL: string;
-
-    /** @type {string} */
-    var LISTS_LENGTH_TITLE: string;
-
-    /** @type {string} */
-    var LISTS_LENGTH_TOOLTIP: string;
-
-    /** @type {string} */
-    var LISTS_ISEMPTY_HELPURL: string;
-
-    /** @type {string} */
-    var LISTS_ISEMPTY_TITLE: string;
-
-    /** @type {string} */
-    var LISTS_ISEMPTY_TOOLTIP: string;
-
-    /** @type {string} */
-    var LISTS_INLIST: string;
-
-    /** @type {string} */
-    var LISTS_INDEX_OF_HELPURL: string;
-
-    /** @type {string} */
-    var LISTS_INDEX_OF_INPUT_IN_LIST: string;
-
-    /** @type {string} */
-    var LISTS_INDEX_OF_FIRST: string;
-
-    /** @type {string} */
-    var LISTS_INDEX_OF_LAST: string;
-
-    /** @type {string} */
-    var LISTS_INDEX_OF_TOOLTIP: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_HELPURL: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_GET: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_GET_REMOVE: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_REMOVE: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_FROM_START: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_FROM_END: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_FIRST: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_LAST: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_RANDOM: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_TAIL: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_INPUT_IN_LIST: string;
-
-    /** @type {string} */
-    var LISTS_INDEX_FROM_START_TOOLTIP: string;
-
-    /** @type {string} */
-    var LISTS_INDEX_FROM_END_TOOLTIP: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_TOOLTIP_GET_FROM: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_TOOLTIP_GET_FIRST: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_TOOLTIP_GET_LAST: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_TOOLTIP_GET_RANDOM: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST: string;
-
-    /** @type {string} */
-    var LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM: string;
-
-    /** @type {string} */
-    var LISTS_SET_INDEX_HELPURL: string;
-
-    /** @type {string} */
-    var LISTS_SET_INDEX_INPUT_IN_LIST: string;
-
-    /** @type {string} */
-    var LISTS_SET_INDEX_SET: string;
-
-    /** @type {string} */
-    var LISTS_SET_INDEX_INSERT: string;
-
-    /** @type {string} */
-    var LISTS_SET_INDEX_INPUT_TO: string;
-
-    /** @type {string} */
-    var LISTS_SET_INDEX_TOOLTIP_SET_FROM: string;
-
-    /** @type {string} */
-    var LISTS_SET_INDEX_TOOLTIP_SET_FIRST: string;
-
-    /** @type {string} */
-    var LISTS_SET_INDEX_TOOLTIP_SET_LAST: string;
-
-    /** @type {string} */
-    var LISTS_SET_INDEX_TOOLTIP_SET_RANDOM: string;
-
-    /** @type {string} */
-    var LISTS_SET_INDEX_TOOLTIP_INSERT_FROM: string;
-
-    /** @type {string} */
-    var LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST: string;
-
-    /** @type {string} */
-    var LISTS_SET_INDEX_TOOLTIP_INSERT_LAST: string;
-
-    /** @type {string} */
-    var LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM: string;
-
-    /** @type {string} */
-    var LISTS_GET_SUBLIST_HELPURL: string;
-
-    /** @type {string} */
-    var LISTS_GET_SUBLIST_INPUT_IN_LIST: string;
-
-    /** @type {string} */
-    var LISTS_GET_SUBLIST_START_FROM_START: string;
-
-    /** @type {string} */
-    var LISTS_GET_SUBLIST_START_FROM_END: string;
-
-    /** @type {string} */
-    var LISTS_GET_SUBLIST_START_FIRST: string;
-
-    /** @type {string} */
-    var LISTS_GET_SUBLIST_END_FROM_START: string;
-
-    /** @type {string} */
-    var LISTS_GET_SUBLIST_END_FROM_END: string;
-
-    /** @type {string} */
-    var LISTS_GET_SUBLIST_END_LAST: string;
-
-    /** @type {string} */
-    var LISTS_GET_SUBLIST_TAIL: string;
-
-    /** @type {string} */
-    var LISTS_GET_SUBLIST_TOOLTIP: string;
-
-    /** @type {string} */
-    var LISTS_SORT_HELPURL: string;
-
-    /** @type {string} */
-    var LISTS_SORT_TITLE: string;
-
-    /** @type {string} */
-    var LISTS_SORT_TOOLTIP: string;
-
-    /** @type {string} */
-    var LISTS_SORT_ORDER_ASCENDING: string;
-
-    /** @type {string} */
-    var LISTS_SORT_ORDER_DESCENDING: string;
-
-    /** @type {string} */
-    var LISTS_SORT_TYPE_NUMERIC: string;
-
-    /** @type {string} */
-    var LISTS_SORT_TYPE_TEXT: string;
-
-    /** @type {string} */
-    var LISTS_SORT_TYPE_IGNORECASE: string;
-
-    /** @type {string} */
-    var LISTS_SPLIT_HELPURL: string;
-
-    /** @type {string} */
-    var LISTS_SPLIT_LIST_FROM_TEXT: string;
-
-    /** @type {string} */
-    var LISTS_SPLIT_TEXT_FROM_LIST: string;
-
-    /** @type {string} */
-    var LISTS_SPLIT_WITH_DELIMITER: string;
-
-    /** @type {string} */
-    var LISTS_SPLIT_TOOLTIP_SPLIT: string;
-
-    /** @type {string} */
-    var LISTS_SPLIT_TOOLTIP_JOIN: string;
-
-    /** @type {string} */
-    var LISTS_REVERSE_HELPURL: string;
-
-    /** @type {string} */
-    var LISTS_REVERSE_MESSAGE0: string;
-
-    /** @type {string} */
-    var LISTS_REVERSE_TOOLTIP: string;
-
-    /** @type {string} */
-    var ORDINAL_NUMBER_SUFFIX: string;
-
-    /** @type {string} */
-    var VARIABLES_GET_HELPURL: string;
-
-    /** @type {string} */
-    var VARIABLES_GET_TOOLTIP: string;
-
-    /** @type {string} */
-    var VARIABLES_GET_CREATE_SET: string;
-
-    /** @type {string} */
-    var VARIABLES_SET_HELPURL: string;
-
-    /** @type {string} */
-    var VARIABLES_SET: string;
-
-    /** @type {string} */
-    var VARIABLES_SET_TOOLTIP: string;
-
-    /** @type {string} */
-    var VARIABLES_SET_CREATE_GET: string;
-
-    /** @type {string} */
-    var PROCEDURES_DEFNORETURN_HELPURL: string;
-
-    /** @type {string} */
-    var PROCEDURES_DEFNORETURN_TITLE: string;
-
-    /** @type {string} */
-    var PROCEDURES_DEFNORETURN_PROCEDURE: string;
-
-    /** @type {string} */
-    var PROCEDURES_BEFORE_PARAMS: string;
-
-    /** @type {string} */
-    var PROCEDURES_CALL_BEFORE_PARAMS: string;
-
-    /** @type {string} */
-    var PROCEDURES_DEFNORETURN_DO: string;
-
-    /** @type {string} */
-    var PROCEDURES_DEFNORETURN_TOOLTIP: string;
-
-    /** @type {string} */
-    var PROCEDURES_DEFNORETURN_COMMENT: string;
-
-    /** @type {string} */
-    var PROCEDURES_DEFRETURN_HELPURL: string;
-
-    /** @type {string} */
-    var PROCEDURES_DEFRETURN_TITLE: string;
-
-    /** @type {string} */
-    var PROCEDURES_DEFRETURN_PROCEDURE: string;
-
-    /** @type {string} */
-    var PROCEDURES_DEFRETURN_DO: string;
-
-    /** @type {string} */
-    var PROCEDURES_DEFRETURN_COMMENT: string;
-
-    /** @type {string} */
-    var PROCEDURES_DEFRETURN_RETURN: string;
-
-    /** @type {string} */
-    var PROCEDURES_DEFRETURN_TOOLTIP: string;
-
-    /** @type {string} */
-    var PROCEDURES_ALLOW_STATEMENTS: string;
-
-    /** @type {string} */
-    var PROCEDURES_DEF_DUPLICATE_WARNING: string;
-
-    /** @type {string} */
-    var PROCEDURES_CALLNORETURN_HELPURL: string;
-
-    /** @type {string} */
-    var PROCEDURES_CALLNORETURN_TOOLTIP: string;
-
-    /** @type {string} */
-    var PROCEDURES_CALLRETURN_HELPURL: string;
-
-    /** @type {string} */
-    var PROCEDURES_CALLRETURN_TOOLTIP: string;
-
-    /** @type {string} */
-    var PROCEDURES_MUTATORCONTAINER_TITLE: string;
-
-    /** @type {string} */
-    var PROCEDURES_MUTATORCONTAINER_TOOLTIP: string;
-
-    /** @type {string} */
-    var PROCEDURES_MUTATORARG_TITLE: string;
-
-    /** @type {string} */
-    var PROCEDURES_MUTATORARG_TOOLTIP: string;
-
-    /** @type {string} */
-    var PROCEDURES_HIGHLIGHT_DEF: string;
-
-    /** @type {string} */
-    var PROCEDURES_CREATE_DO: string;
-
-    /** @type {string} */
-    var PROCEDURES_IFRETURN_TOOLTIP: string;
-
-    /** @type {string} */
-    var PROCEDURES_IFRETURN_HELPURL: string;
-
-    /** @type {string} */
-    var PROCEDURES_IFRETURN_WARNING: string;
-
-    /** @type {string} */
-    var WORKSPACE_COMMENT_DEFAULT_TEXT: string;
-
-    /** @type {string} */
-    var WORKSPACE_ARIA_LABEL: string;
-
-    /** @type {string} */
-    var COLLAPSED_WARNINGS_WARNING: string;
-}
diff --git a/typings/blocks.d.ts b/typings/blocks.d.ts
index 851c08ddd8e..a611ec2374a 100644
--- a/typings/blocks.d.ts
+++ b/typings/blocks.d.ts
@@ -4,12 +4,14 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for Blockly Blocks.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="core.d.ts" />
+export const colour: any;
+export const lists: any;
+export const logic: any;
+export const loops: any;
+export const math: any;
+export const procedures: any;
+export const texts: any;
+export const variables: any;
+export const variablesDynamic: any;
 
-import * as Blockly from './core';
-export = Blockly.Blocks;
+export const blocks: any;
diff --git a/typings/core.d.ts b/typings/core.d.ts
index 5453fd24a7b..f57e72f4fd9 100644
--- a/typings/core.d.ts
+++ b/typings/core.d.ts
@@ -4,12 +4,4 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for Blockly core.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="blockly.d.ts" />
-
-import * as Blockly from './blockly';
-export = Blockly;
+export * from './core/blockly';
diff --git a/typings/dart.d.ts b/typings/dart.d.ts
index c04eda2a8e3..0f6b1e090fc 100644
--- a/typings/dart.d.ts
+++ b/typings/dart.d.ts
@@ -4,12 +4,4 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Dart generator.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="core.d.ts" />
-
-import * as Blockly from './core';
-export = Blockly.Generator;
+export * from './generators/dart';
diff --git a/typings/index.d.ts b/typings/index.d.ts
index 10324babc54..70b7e79ccbd 100644
--- a/typings/index.d.ts
+++ b/typings/index.d.ts
@@ -4,19 +4,7 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for Blockly.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="core.d.ts" />
-/// <reference path="blocks.d.ts" />
-/// <reference path="javascript.d.ts" />
-/// <reference path="msg/en.d.ts" />
-
-import * as Blockly from './core';
-import './blocks';
-import './javascript';
-import './msg/en';
-
-export = Blockly;
+import * as libraryBlocks from './blocks';  // Handcrafted file.
+export * from './core/blockly';
+export {libraryBlocks};
+export const JavaScript: any;
diff --git a/typings/javascript.d.ts b/typings/javascript.d.ts
index f1a14baaf06..e5558381d2d 100644
--- a/typings/javascript.d.ts
+++ b/typings/javascript.d.ts
@@ -4,12 +4,4 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the JavaScript generator.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="core.d.ts" />
-
-import * as Blockly from './core';
-export = Blockly.Generator;
+export * from './generators/javascript';
diff --git a/typings/lua.d.ts b/typings/lua.d.ts
index a5170bc8297..6443fe90b9e 100644
--- a/typings/lua.d.ts
+++ b/typings/lua.d.ts
@@ -4,12 +4,4 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Lua generator.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="core.d.ts" />
-
-import * as Blockly from './core';
-export = Blockly.Generator;
+export * from './generators/lua';
diff --git a/typings/msg/ab.d.ts b/typings/msg/ab.d.ts
index eb87b9bf30d..5f2d13710bd 100644
--- a/typings/msg/ab.d.ts
+++ b/typings/msg/ab.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ab locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ace.d.ts b/typings/msg/ace.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/ace.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/af.d.ts b/typings/msg/af.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/af.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/am.d.ts b/typings/msg/am.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/am.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/ar.d.ts b/typings/msg/ar.d.ts
index e2435d74331..5f2d13710bd 100644
--- a/typings/msg/ar.d.ts
+++ b/typings/msg/ar.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ar locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ast.d.ts b/typings/msg/ast.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/ast.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/az.d.ts b/typings/msg/az.d.ts
index a8777813110..5f2d13710bd 100644
--- a/typings/msg/az.d.ts
+++ b/typings/msg/az.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly az locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ba.d.ts b/typings/msg/ba.d.ts
index 21cc21cc1c4..5f2d13710bd 100644
--- a/typings/msg/ba.d.ts
+++ b/typings/msg/ba.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ba locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/bcc.d.ts b/typings/msg/bcc.d.ts
index e60e54df594..5f2d13710bd 100644
--- a/typings/msg/bcc.d.ts
+++ b/typings/msg/bcc.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly bcc locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/be-tarask.d.ts b/typings/msg/be-tarask.d.ts
index 91640bb40da..5f2d13710bd 100644
--- a/typings/msg/be-tarask.d.ts
+++ b/typings/msg/be-tarask.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly be-tarask locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/be.d.ts b/typings/msg/be.d.ts
index 0857b63288b..5f2d13710bd 100644
--- a/typings/msg/be.d.ts
+++ b/typings/msg/be.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly be locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/bg.d.ts b/typings/msg/bg.d.ts
index 81905151a62..5f2d13710bd 100644
--- a/typings/msg/bg.d.ts
+++ b/typings/msg/bg.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly bg locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/bn.d.ts b/typings/msg/bn.d.ts
index 8207499d711..5f2d13710bd 100644
--- a/typings/msg/bn.d.ts
+++ b/typings/msg/bn.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly bn locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/br.d.ts b/typings/msg/br.d.ts
index 319e7ade316..5f2d13710bd 100644
--- a/typings/msg/br.d.ts
+++ b/typings/msg/br.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly br locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/bs.d.ts b/typings/msg/bs.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/bs.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/ca.d.ts b/typings/msg/ca.d.ts
index a89b9374b9f..5f2d13710bd 100644
--- a/typings/msg/ca.d.ts
+++ b/typings/msg/ca.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ca locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/cdo.d.ts b/typings/msg/cdo.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/cdo.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/ce.d.ts b/typings/msg/ce.d.ts
new file mode 100644
index 00000000000..b6e6cc1d653
--- /dev/null
+++ b/typings/msg/ce.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/constants.d.ts b/typings/msg/constants.d.ts
deleted file mode 100644
index 41cb98e4023..00000000000
--- a/typings/msg/constants.d.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Type definitions for the Blockly constants locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
-
diff --git a/typings/msg/cs.d.ts b/typings/msg/cs.d.ts
index fd8998d2bf4..5f2d13710bd 100644
--- a/typings/msg/cs.d.ts
+++ b/typings/msg/cs.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly cs locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/da.d.ts b/typings/msg/da.d.ts
index 9ae9615a05f..5f2d13710bd 100644
--- a/typings/msg/da.d.ts
+++ b/typings/msg/da.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly da locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/de.d.ts b/typings/msg/de.d.ts
index 84004ffdddc..5f2d13710bd 100644
--- a/typings/msg/de.d.ts
+++ b/typings/msg/de.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly de locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/diq.d.ts b/typings/msg/diq.d.ts
index 2dadf5b232d..5f2d13710bd 100644
--- a/typings/msg/diq.d.ts
+++ b/typings/msg/diq.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly diq locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/dtp.d.ts b/typings/msg/dtp.d.ts
new file mode 100644
index 00000000000..b6e6cc1d653
--- /dev/null
+++ b/typings/msg/dtp.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/dty.d.ts b/typings/msg/dty.d.ts
index 995d93af2a3..5f2d13710bd 100644
--- a/typings/msg/dty.d.ts
+++ b/typings/msg/dty.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly dty locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ee.d.ts b/typings/msg/ee.d.ts
index 436e5b9ada7..5f2d13710bd 100644
--- a/typings/msg/ee.d.ts
+++ b/typings/msg/ee.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ee locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/el.d.ts b/typings/msg/el.d.ts
index 981a987b600..5f2d13710bd 100644
--- a/typings/msg/el.d.ts
+++ b/typings/msg/el.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly el locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/en-gb.d.ts b/typings/msg/en-gb.d.ts
index 59032a4ff57..5f2d13710bd 100644
--- a/typings/msg/en-gb.d.ts
+++ b/typings/msg/en-gb.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly en-gb locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/en.d.ts b/typings/msg/en.d.ts
index 256aa7d448c..5f2d13710bd 100644
--- a/typings/msg/en.d.ts
+++ b/typings/msg/en.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly en locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/eo.d.ts b/typings/msg/eo.d.ts
index a9b4004cc28..5f2d13710bd 100644
--- a/typings/msg/eo.d.ts
+++ b/typings/msg/eo.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly eo locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/es.d.ts b/typings/msg/es.d.ts
index 4dd0c585a3e..5f2d13710bd 100644
--- a/typings/msg/es.d.ts
+++ b/typings/msg/es.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly es locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/et.d.ts b/typings/msg/et.d.ts
index 01541ff11a2..5f2d13710bd 100644
--- a/typings/msg/et.d.ts
+++ b/typings/msg/et.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly et locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/eu.d.ts b/typings/msg/eu.d.ts
index 1d0e8520756..5f2d13710bd 100644
--- a/typings/msg/eu.d.ts
+++ b/typings/msg/eu.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly eu locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/fa.d.ts b/typings/msg/fa.d.ts
index 0e929790d1e..5f2d13710bd 100644
--- a/typings/msg/fa.d.ts
+++ b/typings/msg/fa.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly fa locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/fi.d.ts b/typings/msg/fi.d.ts
index dad65e992d2..5f2d13710bd 100644
--- a/typings/msg/fi.d.ts
+++ b/typings/msg/fi.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly fi locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/fo.d.ts b/typings/msg/fo.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/fo.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/fr.d.ts b/typings/msg/fr.d.ts
index 6014c3b6353..5f2d13710bd 100644
--- a/typings/msg/fr.d.ts
+++ b/typings/msg/fr.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly fr locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/frr.d.ts b/typings/msg/frr.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/frr.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/gl.d.ts b/typings/msg/gl.d.ts
index 874c328f705..5f2d13710bd 100644
--- a/typings/msg/gl.d.ts
+++ b/typings/msg/gl.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly gl locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/gn.d.ts b/typings/msg/gn.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/gn.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/gor.d.ts b/typings/msg/gor.d.ts
index 69c2999d429..5f2d13710bd 100644
--- a/typings/msg/gor.d.ts
+++ b/typings/msg/gor.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly gor locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ha.d.ts b/typings/msg/ha.d.ts
index f5e92a6af2e..5f2d13710bd 100644
--- a/typings/msg/ha.d.ts
+++ b/typings/msg/ha.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ha locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/hak.d.ts b/typings/msg/hak.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/hak.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/he.d.ts b/typings/msg/he.d.ts
index deb61f950b6..5f2d13710bd 100644
--- a/typings/msg/he.d.ts
+++ b/typings/msg/he.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly he locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/hi.d.ts b/typings/msg/hi.d.ts
index 5abcff526e2..5f2d13710bd 100644
--- a/typings/msg/hi.d.ts
+++ b/typings/msg/hi.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly hi locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/hr.d.ts b/typings/msg/hr.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/hr.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/hrx.d.ts b/typings/msg/hrx.d.ts
index 785916169f7..5f2d13710bd 100644
--- a/typings/msg/hrx.d.ts
+++ b/typings/msg/hrx.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly hrx locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/hsb.d.ts b/typings/msg/hsb.d.ts
new file mode 100644
index 00000000000..b6e6cc1d653
--- /dev/null
+++ b/typings/msg/hsb.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/hu.d.ts b/typings/msg/hu.d.ts
index 3f87f846d11..5f2d13710bd 100644
--- a/typings/msg/hu.d.ts
+++ b/typings/msg/hu.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly hu locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/hy.d.ts b/typings/msg/hy.d.ts
index ee726e22395..5f2d13710bd 100644
--- a/typings/msg/hy.d.ts
+++ b/typings/msg/hy.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly hy locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ia.d.ts b/typings/msg/ia.d.ts
index b0324c970c8..5f2d13710bd 100644
--- a/typings/msg/ia.d.ts
+++ b/typings/msg/ia.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ia locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/id.d.ts b/typings/msg/id.d.ts
index ddb57b7fbba..5f2d13710bd 100644
--- a/typings/msg/id.d.ts
+++ b/typings/msg/id.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly id locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ig.d.ts b/typings/msg/ig.d.ts
index 90e5c7beceb..5f2d13710bd 100644
--- a/typings/msg/ig.d.ts
+++ b/typings/msg/ig.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ig locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/inh.d.ts b/typings/msg/inh.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/inh.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/is.d.ts b/typings/msg/is.d.ts
index 88bfa07b8ea..5f2d13710bd 100644
--- a/typings/msg/is.d.ts
+++ b/typings/msg/is.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly is locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/it.d.ts b/typings/msg/it.d.ts
index 0bff1ff74de..5f2d13710bd 100644
--- a/typings/msg/it.d.ts
+++ b/typings/msg/it.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly it locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ja.d.ts b/typings/msg/ja.d.ts
index ed76fdf25fd..5f2d13710bd 100644
--- a/typings/msg/ja.d.ts
+++ b/typings/msg/ja.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ja locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ka.d.ts b/typings/msg/ka.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/ka.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/kab.d.ts b/typings/msg/kab.d.ts
index 98747fa4912..5f2d13710bd 100644
--- a/typings/msg/kab.d.ts
+++ b/typings/msg/kab.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly kab locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/kbd-cyrl.d.ts b/typings/msg/kbd-cyrl.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/kbd-cyrl.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/km.d.ts b/typings/msg/km.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/km.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/kn.d.ts b/typings/msg/kn.d.ts
index 9ac70f39fab..5f2d13710bd 100644
--- a/typings/msg/kn.d.ts
+++ b/typings/msg/kn.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly kn locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ko.d.ts b/typings/msg/ko.d.ts
index 344002e5d8f..5f2d13710bd 100644
--- a/typings/msg/ko.d.ts
+++ b/typings/msg/ko.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ko locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ksh.d.ts b/typings/msg/ksh.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/ksh.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/ku-latn.d.ts b/typings/msg/ku-latn.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/ku-latn.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/ky.d.ts b/typings/msg/ky.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/ky.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/la.d.ts b/typings/msg/la.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/la.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/lb.d.ts b/typings/msg/lb.d.ts
index 0eee88ed56b..5f2d13710bd 100644
--- a/typings/msg/lb.d.ts
+++ b/typings/msg/lb.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly lb locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/lki.d.ts b/typings/msg/lki.d.ts
index 9559de10ef6..5f2d13710bd 100644
--- a/typings/msg/lki.d.ts
+++ b/typings/msg/lki.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly lki locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/lo.d.ts b/typings/msg/lo.d.ts
index 5a9071cea1f..5f2d13710bd 100644
--- a/typings/msg/lo.d.ts
+++ b/typings/msg/lo.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly lo locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/lrc.d.ts b/typings/msg/lrc.d.ts
index 044134af15d..5f2d13710bd 100644
--- a/typings/msg/lrc.d.ts
+++ b/typings/msg/lrc.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly lrc locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/lt.d.ts b/typings/msg/lt.d.ts
index 9cc7516c1e3..5f2d13710bd 100644
--- a/typings/msg/lt.d.ts
+++ b/typings/msg/lt.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly lt locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/lv.d.ts b/typings/msg/lv.d.ts
index 88b41c7af23..5f2d13710bd 100644
--- a/typings/msg/lv.d.ts
+++ b/typings/msg/lv.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly lv locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/mg.d.ts b/typings/msg/mg.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/mg.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/mk.d.ts b/typings/msg/mk.d.ts
index 951b027b755..5f2d13710bd 100644
--- a/typings/msg/mk.d.ts
+++ b/typings/msg/mk.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly mk locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ml.d.ts b/typings/msg/ml.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/ml.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/mnw.d.ts b/typings/msg/mnw.d.ts
index 962b8c5c925..5f2d13710bd 100644
--- a/typings/msg/mnw.d.ts
+++ b/typings/msg/mnw.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly mnw locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ms.d.ts b/typings/msg/ms.d.ts
index f154c4ef417..5f2d13710bd 100644
--- a/typings/msg/ms.d.ts
+++ b/typings/msg/ms.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ms locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/msg.d.ts b/typings/msg/msg.d.ts
index 65d7808ab57..0a5cddb933c 100644
--- a/typings/msg/msg.d.ts
+++ b/typings/msg/msg.d.ts
@@ -5,440 +5,436 @@
  */
 
 /**
- * @fileoverview Type definitions for Blockly Messages.
- * @author samelh@google.com (Sam El-Husseini)
+ * Type definitions for Blockly Messages.
  */
 
 
-declare namespace Blockly.Msg {
-  let ADD_COMMENT : string ;
-  let CANNOT_DELETE_VARIABLE_PROCEDURE : string ;
-  let CHANGE_VALUE_TITLE : string ;
-  let CLEAN_UP : string ;
-  let COLLAPSED_WARNINGS_WARNING : string ;
-  let COLLAPSE_ALL : string ;
-  let COLLAPSE_BLOCK : string ;
-  let COLOUR_BLEND_COLOUR1 : string ;
-  let COLOUR_BLEND_COLOUR2 : string ;
-  let COLOUR_BLEND_HELPURL : string ;
-  let COLOUR_BLEND_RATIO : string ;
-  let COLOUR_BLEND_TITLE : string ;
-  let COLOUR_BLEND_TOOLTIP : string ;
-  let COLOUR_HUE : string ;
-  let COLOUR_PICKER_HELPURL : string ;
-  let COLOUR_PICKER_TOOLTIP : string ;
-  let COLOUR_RANDOM_HELPURL : string ;
-  let COLOUR_RANDOM_TITLE : string ;
-  let COLOUR_RANDOM_TOOLTIP : string ;
-  let COLOUR_RGB_BLUE : string ;
-  let COLOUR_RGB_GREEN : string ;
-  let COLOUR_RGB_HELPURL : string ;
-  let COLOUR_RGB_RED : string ;
-  let COLOUR_RGB_TITLE : string ;
-  let COLOUR_RGB_TOOLTIP : string ;
-  let CONTROLS_FLOW_STATEMENTS_HELPURL : string ;
-  let CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK : string ;
-  let CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE : string ;
-  let CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK : string ;
-  let CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE : string ;
-  let CONTROLS_FLOW_STATEMENTS_WARNING : string ;
-  let CONTROLS_FOREACH_HELPURL : string ;
-  let CONTROLS_FOREACH_INPUT_DO : string ;
-  let CONTROLS_FOREACH_TITLE : string ;
-  let CONTROLS_FOREACH_TOOLTIP : string ;
-  let CONTROLS_FOR_HELPURL : string ;
-  let CONTROLS_FOR_INPUT_DO : string ;
-  let CONTROLS_FOR_TITLE : string ;
-  let CONTROLS_FOR_TOOLTIP : string ;
-  let CONTROLS_IF_ELSEIF_TITLE_ELSEIF : string ;
-  let CONTROLS_IF_ELSEIF_TOOLTIP : string ;
-  let CONTROLS_IF_ELSE_TITLE_ELSE : string ;
-  let CONTROLS_IF_ELSE_TOOLTIP : string ;
-  let CONTROLS_IF_HELPURL : string ;
-  let CONTROLS_IF_IF_TITLE_IF : string ;
-  let CONTROLS_IF_IF_TOOLTIP : string ;
-  let CONTROLS_IF_MSG_ELSE : string ;
-  let CONTROLS_IF_MSG_ELSEIF : string ;
-  let CONTROLS_IF_MSG_IF : string ;
-  let CONTROLS_IF_MSG_THEN : string ;
-  let CONTROLS_IF_TOOLTIP_1 : string ;
-  let CONTROLS_IF_TOOLTIP_2 : string ;
-  let CONTROLS_IF_TOOLTIP_3 : string ;
-  let CONTROLS_IF_TOOLTIP_4 : string ;
-  let CONTROLS_REPEAT_HELPURL : string ;
-  let CONTROLS_REPEAT_INPUT_DO : string ;
-  let CONTROLS_REPEAT_TITLE : string ;
-  let CONTROLS_REPEAT_TOOLTIP : string ;
-  let CONTROLS_WHILEUNTIL_HELPURL : string ;
-  let CONTROLS_WHILEUNTIL_INPUT_DO : string ;
-  let CONTROLS_WHILEUNTIL_OPERATOR_UNTIL : string ;
-  let CONTROLS_WHILEUNTIL_OPERATOR_WHILE : string ;
-  let CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL : string ;
-  let CONTROLS_WHILEUNTIL_TOOLTIP_WHILE : string ;
-  let DELETE_ALL_BLOCKS : string ;
-  let DELETE_BLOCK : string ;
-  let DELETE_VARIABLE : string ;
-  let DELETE_VARIABLE_CONFIRMATION : string ;
-  let DELETE_X_BLOCKS : string ;
-  let DISABLE_BLOCK : string ;
-  let DUPLICATE_BLOCK : string ;
-  let DUPLICATE_COMMENT : string ;
-  let ENABLE_BLOCK : string ;
-  let EXPAND_ALL : string ;
-  let EXPAND_BLOCK : string ;
-  let EXTERNAL_INPUTS : string ;
-  let HELP : string ;
-  let INLINE_INPUTS : string ;
-  let IOS_CANCEL : string ;
-  let IOS_ERROR : string ;
-  let IOS_OK : string ;
-  let IOS_PROCEDURES_ADD_INPUT : string ;
-  let IOS_PROCEDURES_ALLOW_STATEMENTS : string ;
-  let IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR : string ;
-  let IOS_PROCEDURES_INPUTS : string ;
-  let IOS_VARIABLES_ADD_BUTTON : string ;
-  let IOS_VARIABLES_ADD_VARIABLE : string ;
-  let IOS_VARIABLES_DELETE_BUTTON : string ;
-  let IOS_VARIABLES_EMPTY_NAME_ERROR : string ;
-  let IOS_VARIABLES_RENAME_BUTTON : string ;
-  let IOS_VARIABLES_VARIABLE_NAME : string ;
-  let LISTS_CREATE_EMPTY_HELPURL : string ;
-  let LISTS_CREATE_EMPTY_TITLE : string ;
-  let LISTS_CREATE_EMPTY_TOOLTIP : string ;
-  let LISTS_CREATE_WITH_CONTAINER_TITLE_ADD : string ;
-  let LISTS_CREATE_WITH_CONTAINER_TOOLTIP : string ;
-  let LISTS_CREATE_WITH_HELPURL : string ;
-  let LISTS_CREATE_WITH_INPUT_WITH : string ;
-  let LISTS_CREATE_WITH_ITEM_TITLE : string ;
-  let LISTS_CREATE_WITH_ITEM_TOOLTIP : string ;
-  let LISTS_CREATE_WITH_TOOLTIP : string ;
-  let LISTS_GET_INDEX_FIRST : string ;
-  let LISTS_GET_INDEX_FROM_END : string ;
-  let LISTS_GET_INDEX_FROM_START : string ;
-  let LISTS_GET_INDEX_GET : string ;
-  let LISTS_GET_INDEX_GET_REMOVE : string ;
-  let LISTS_GET_INDEX_HELPURL : string ;
-  let LISTS_GET_INDEX_INPUT_IN_LIST : string ;
-  let LISTS_GET_INDEX_LAST : string ;
-  let LISTS_GET_INDEX_RANDOM : string ;
-  let LISTS_GET_INDEX_REMOVE : string ;
-  let LISTS_GET_INDEX_TAIL : string ;
-  let LISTS_GET_INDEX_TOOLTIP_GET_FIRST : string ;
-  let LISTS_GET_INDEX_TOOLTIP_GET_FROM : string ;
-  let LISTS_GET_INDEX_TOOLTIP_GET_LAST : string ;
-  let LISTS_GET_INDEX_TOOLTIP_GET_RANDOM : string ;
-  let LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST : string ;
-  let LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM : string ;
-  let LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST : string ;
-  let LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM : string ;
-  let LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST : string ;
-  let LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM : string ;
-  let LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST : string ;
-  let LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM : string ;
-  let LISTS_GET_SUBLIST_END_FROM_END : string ;
-  let LISTS_GET_SUBLIST_END_FROM_START : string ;
-  let LISTS_GET_SUBLIST_END_LAST : string ;
-  let LISTS_GET_SUBLIST_HELPURL : string ;
-  let LISTS_GET_SUBLIST_INPUT_IN_LIST : string ;
-  let LISTS_GET_SUBLIST_START_FIRST : string ;
-  let LISTS_GET_SUBLIST_START_FROM_END : string ;
-  let LISTS_GET_SUBLIST_START_FROM_START : string ;
-  let LISTS_GET_SUBLIST_TAIL : string ;
-  let LISTS_GET_SUBLIST_TOOLTIP : string ;
-  let LISTS_HUE : string ;
-  let LISTS_INDEX_FROM_END_TOOLTIP : string ;
-  let LISTS_INDEX_FROM_START_TOOLTIP : string ;
-  let LISTS_INDEX_OF_FIRST : string ;
-  let LISTS_INDEX_OF_HELPURL : string ;
-  let LISTS_INDEX_OF_INPUT_IN_LIST : string ;
-  let LISTS_INDEX_OF_LAST : string ;
-  let LISTS_INDEX_OF_TOOLTIP : string ;
-  let LISTS_INLIST : string ;
-  let LISTS_ISEMPTY_HELPURL : string ;
-  let LISTS_ISEMPTY_TITLE : string ;
-  let LISTS_ISEMPTY_TOOLTIP : string ;
-  let LISTS_LENGTH_HELPURL : string ;
-  let LISTS_LENGTH_TITLE : string ;
-  let LISTS_LENGTH_TOOLTIP : string ;
-  let LISTS_REPEAT_HELPURL : string ;
-  let LISTS_REPEAT_TITLE : string ;
-  let LISTS_REPEAT_TOOLTIP : string ;
-  let LISTS_REVERSE_HELPURL : string ;
-  let LISTS_REVERSE_MESSAGE0 : string ;
-  let LISTS_REVERSE_TOOLTIP : string ;
-  let LISTS_SET_INDEX_HELPURL : string ;
-  let LISTS_SET_INDEX_INPUT_IN_LIST : string ;
-  let LISTS_SET_INDEX_INPUT_TO : string ;
-  let LISTS_SET_INDEX_INSERT : string ;
-  let LISTS_SET_INDEX_SET : string ;
-  let LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST : string ;
-  let LISTS_SET_INDEX_TOOLTIP_INSERT_FROM : string ;
-  let LISTS_SET_INDEX_TOOLTIP_INSERT_LAST : string ;
-  let LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM : string ;
-  let LISTS_SET_INDEX_TOOLTIP_SET_FIRST : string ;
-  let LISTS_SET_INDEX_TOOLTIP_SET_FROM : string ;
-  let LISTS_SET_INDEX_TOOLTIP_SET_LAST : string ;
-  let LISTS_SET_INDEX_TOOLTIP_SET_RANDOM : string ;
-  let LISTS_SORT_HELPURL : string ;
-  let LISTS_SORT_ORDER_ASCENDING : string ;
-  let LISTS_SORT_ORDER_DESCENDING : string ;
-  let LISTS_SORT_TITLE : string ;
-  let LISTS_SORT_TOOLTIP : string ;
-  let LISTS_SORT_TYPE_IGNORECASE : string ;
-  let LISTS_SORT_TYPE_NUMERIC : string ;
-  let LISTS_SORT_TYPE_TEXT : string ;
-  let LISTS_SPLIT_HELPURL : string ;
-  let LISTS_SPLIT_LIST_FROM_TEXT : string ;
-  let LISTS_SPLIT_TEXT_FROM_LIST : string ;
-  let LISTS_SPLIT_TOOLTIP_JOIN : string ;
-  let LISTS_SPLIT_TOOLTIP_SPLIT : string ;
-  let LISTS_SPLIT_WITH_DELIMITER : string ;
-  let LOGIC_BOOLEAN_FALSE : string ;
-  let LOGIC_BOOLEAN_HELPURL : string ;
-  let LOGIC_BOOLEAN_TOOLTIP : string ;
-  let LOGIC_BOOLEAN_TRUE : string ;
-  let LOGIC_COMPARE_HELPURL : string ;
-  let LOGIC_COMPARE_TOOLTIP_EQ : string ;
-  let LOGIC_COMPARE_TOOLTIP_GT : string ;
-  let LOGIC_COMPARE_TOOLTIP_GTE : string ;
-  let LOGIC_COMPARE_TOOLTIP_LT : string ;
-  let LOGIC_COMPARE_TOOLTIP_LTE : string ;
-  let LOGIC_COMPARE_TOOLTIP_NEQ : string ;
-  let LOGIC_HUE : string ;
-  let LOGIC_NEGATE_HELPURL : string ;
-  let LOGIC_NEGATE_TITLE : string ;
-  let LOGIC_NEGATE_TOOLTIP : string ;
-  let LOGIC_NULL : string ;
-  let LOGIC_NULL_HELPURL : string ;
-  let LOGIC_NULL_TOOLTIP : string ;
-  let LOGIC_OPERATION_AND : string ;
-  let LOGIC_OPERATION_HELPURL : string ;
-  let LOGIC_OPERATION_OR : string ;
-  let LOGIC_OPERATION_TOOLTIP_AND : string ;
-  let LOGIC_OPERATION_TOOLTIP_OR : string ;
-  let LOGIC_TERNARY_CONDITION : string ;
-  let LOGIC_TERNARY_HELPURL : string ;
-  let LOGIC_TERNARY_IF_FALSE : string ;
-  let LOGIC_TERNARY_IF_TRUE : string ;
-  let LOGIC_TERNARY_TOOLTIP : string ;
-  let LOOPS_HUE : string ;
-  let MATH_ADDITION_SYMBOL : string ;
-  let MATH_ARITHMETIC_HELPURL : string ;
-  let MATH_ARITHMETIC_TOOLTIP_ADD : string ;
-  let MATH_ARITHMETIC_TOOLTIP_DIVIDE : string ;
-  let MATH_ARITHMETIC_TOOLTIP_MINUS : string ;
-  let MATH_ARITHMETIC_TOOLTIP_MULTIPLY : string ;
-  let MATH_ARITHMETIC_TOOLTIP_POWER : string ;
-  let MATH_ATAN2_HELPURL : string ;
-  let MATH_ATAN2_TITLE : string ;
-  let MATH_ATAN2_TOOLTIP : string ;
-  let MATH_CHANGE_HELPURL : string ;
-  let MATH_CHANGE_TITLE : string ;
-  let MATH_CHANGE_TITLE_ITEM : string ;
-  let MATH_CHANGE_TOOLTIP : string ;
-  let MATH_CONSTANT_HELPURL : string ;
-  let MATH_CONSTANT_TOOLTIP : string ;
-  let MATH_CONSTRAIN_HELPURL : string ;
-  let MATH_CONSTRAIN_TITLE : string ;
-  let MATH_CONSTRAIN_TOOLTIP : string ;
-  let MATH_DIVISION_SYMBOL : string ;
-  let MATH_HUE : string ;
-  let MATH_IS_DIVISIBLE_BY : string ;
-  let MATH_IS_EVEN : string ;
-  let MATH_IS_NEGATIVE : string ;
-  let MATH_IS_ODD : string ;
-  let MATH_IS_POSITIVE : string ;
-  let MATH_IS_PRIME : string ;
-  let MATH_IS_TOOLTIP : string ;
-  let MATH_IS_WHOLE : string ;
-  let MATH_MODULO_HELPURL : string ;
-  let MATH_MODULO_TITLE : string ;
-  let MATH_MODULO_TOOLTIP : string ;
-  let MATH_MULTIPLICATION_SYMBOL : string ;
-  let MATH_NUMBER_HELPURL : string ;
-  let MATH_NUMBER_TOOLTIP : string ;
-  let MATH_ONLIST_HELPURL : string ;
-  let MATH_ONLIST_OPERATOR_AVERAGE : string ;
-  let MATH_ONLIST_OPERATOR_MAX : string ;
-  let MATH_ONLIST_OPERATOR_MEDIAN : string ;
-  let MATH_ONLIST_OPERATOR_MIN : string ;
-  let MATH_ONLIST_OPERATOR_MODE : string ;
-  let MATH_ONLIST_OPERATOR_RANDOM : string ;
-  let MATH_ONLIST_OPERATOR_STD_DEV : string ;
-  let MATH_ONLIST_OPERATOR_SUM : string ;
-  let MATH_ONLIST_TOOLTIP_AVERAGE : string ;
-  let MATH_ONLIST_TOOLTIP_MAX : string ;
-  let MATH_ONLIST_TOOLTIP_MEDIAN : string ;
-  let MATH_ONLIST_TOOLTIP_MIN : string ;
-  let MATH_ONLIST_TOOLTIP_MODE : string ;
-  let MATH_ONLIST_TOOLTIP_RANDOM : string ;
-  let MATH_ONLIST_TOOLTIP_STD_DEV : string ;
-  let MATH_ONLIST_TOOLTIP_SUM : string ;
-  let MATH_POWER_SYMBOL : string ;
-  let MATH_RANDOM_FLOAT_HELPURL : string ;
-  let MATH_RANDOM_FLOAT_TITLE_RANDOM : string ;
-  let MATH_RANDOM_FLOAT_TOOLTIP : string ;
-  let MATH_RANDOM_INT_HELPURL : string ;
-  let MATH_RANDOM_INT_TITLE : string ;
-  let MATH_RANDOM_INT_TOOLTIP : string ;
-  let MATH_ROUND_HELPURL : string ;
-  let MATH_ROUND_OPERATOR_ROUND : string ;
-  let MATH_ROUND_OPERATOR_ROUNDDOWN : string ;
-  let MATH_ROUND_OPERATOR_ROUNDUP : string ;
-  let MATH_ROUND_TOOLTIP : string ;
-  let MATH_SINGLE_HELPURL : string ;
-  let MATH_SINGLE_OP_ABSOLUTE : string ;
-  let MATH_SINGLE_OP_ROOT : string ;
-  let MATH_SINGLE_TOOLTIP_ABS : string ;
-  let MATH_SINGLE_TOOLTIP_EXP : string ;
-  let MATH_SINGLE_TOOLTIP_LN : string ;
-  let MATH_SINGLE_TOOLTIP_LOG10 : string ;
-  let MATH_SINGLE_TOOLTIP_NEG : string ;
-  let MATH_SINGLE_TOOLTIP_POW10 : string ;
-  let MATH_SINGLE_TOOLTIP_ROOT : string ;
-  let MATH_SUBTRACTION_SYMBOL : string ;
-  let MATH_TRIG_ACOS : string ;
-  let MATH_TRIG_ASIN : string ;
-  let MATH_TRIG_ATAN : string ;
-  let MATH_TRIG_COS : string ;
-  let MATH_TRIG_HELPURL : string ;
-  let MATH_TRIG_SIN : string ;
-  let MATH_TRIG_TAN : string ;
-  let MATH_TRIG_TOOLTIP_ACOS : string ;
-  let MATH_TRIG_TOOLTIP_ASIN : string ;
-  let MATH_TRIG_TOOLTIP_ATAN : string ;
-  let MATH_TRIG_TOOLTIP_COS : string ;
-  let MATH_TRIG_TOOLTIP_SIN : string ;
-  let MATH_TRIG_TOOLTIP_TAN : string ;
-  let NEW_COLOUR_VARIABLE : string ;
-  let NEW_NUMBER_VARIABLE : string ;
-  let NEW_STRING_VARIABLE : string ;
-  let NEW_VARIABLE : string ;
-  let NEW_VARIABLE_TITLE : string ;
-  let NEW_VARIABLE_TYPE_TITLE : string ;
-  let ORDINAL_NUMBER_SUFFIX : string ;
-  let PROCEDURES_ALLOW_STATEMENTS : string ;
-  let PROCEDURES_BEFORE_PARAMS : string ;
-  let PROCEDURES_CALLNORETURN_HELPURL : string ;
-  let PROCEDURES_CALLNORETURN_TOOLTIP : string ;
-  let PROCEDURES_CALLRETURN_HELPURL : string ;
-  let PROCEDURES_CALLRETURN_TOOLTIP : string ;
-  let PROCEDURES_CALL_BEFORE_PARAMS : string ;
-  let PROCEDURES_CREATE_DO : string ;
-  let PROCEDURES_DEFNORETURN_COMMENT : string ;
-  let PROCEDURES_DEFNORETURN_DO : string ;
-  let PROCEDURES_DEFNORETURN_HELPURL : string ;
-  let PROCEDURES_DEFNORETURN_PROCEDURE : string ;
-  let PROCEDURES_DEFNORETURN_TITLE : string ;
-  let PROCEDURES_DEFNORETURN_TOOLTIP : string ;
-  let PROCEDURES_DEFRETURN_COMMENT : string ;
-  let PROCEDURES_DEFRETURN_DO : string ;
-  let PROCEDURES_DEFRETURN_HELPURL : string ;
-  let PROCEDURES_DEFRETURN_PROCEDURE : string ;
-  let PROCEDURES_DEFRETURN_RETURN : string ;
-  let PROCEDURES_DEFRETURN_TITLE : string ;
-  let PROCEDURES_DEFRETURN_TOOLTIP : string ;
-  let PROCEDURES_DEF_DUPLICATE_WARNING : string ;
-  let PROCEDURES_HIGHLIGHT_DEF : string ;
-  let PROCEDURES_HUE : string ;
-  let PROCEDURES_IFRETURN_HELPURL : string ;
-  let PROCEDURES_IFRETURN_TOOLTIP : string ;
-  let PROCEDURES_IFRETURN_WARNING : string ;
-  let PROCEDURES_MUTATORARG_TITLE : string ;
-  let PROCEDURES_MUTATORARG_TOOLTIP : string ;
-  let PROCEDURES_MUTATORCONTAINER_TITLE : string ;
-  let PROCEDURES_MUTATORCONTAINER_TOOLTIP : string ;
-  let REDO : string ;
-  let REMOVE_COMMENT : string ;
-  let RENAME_VARIABLE : string ;
-  let RENAME_VARIABLE_TITLE : string ;
-  let TEXTS_HUE : string ;
-  let TEXT_APPEND_HELPURL : string ;
-  let TEXT_APPEND_TITLE : string ;
-  let TEXT_APPEND_TOOLTIP : string ;
-  let TEXT_APPEND_VARIABLE : string ;
-  let TEXT_CHANGECASE_HELPURL : string ;
-  let TEXT_CHANGECASE_OPERATOR_LOWERCASE : string ;
-  let TEXT_CHANGECASE_OPERATOR_TITLECASE : string ;
-  let TEXT_CHANGECASE_OPERATOR_UPPERCASE : string ;
-  let TEXT_CHANGECASE_TOOLTIP : string ;
-  let TEXT_CHARAT_FIRST : string ;
-  let TEXT_CHARAT_FROM_END : string ;
-  let TEXT_CHARAT_FROM_START : string ;
-  let TEXT_CHARAT_HELPURL : string ;
-  let TEXT_CHARAT_LAST : string ;
-  let TEXT_CHARAT_RANDOM : string ;
-  let TEXT_CHARAT_TAIL : string ;
-  let TEXT_CHARAT_TITLE : string ;
-  let TEXT_CHARAT_TOOLTIP : string ;
-  let TEXT_COUNT_HELPURL : string ;
-  let TEXT_COUNT_MESSAGE0 : string ;
-  let TEXT_COUNT_TOOLTIP : string ;
-  let TEXT_CREATE_JOIN_ITEM_TITLE_ITEM : string ;
-  let TEXT_CREATE_JOIN_ITEM_TOOLTIP : string ;
-  let TEXT_CREATE_JOIN_TITLE_JOIN : string ;
-  let TEXT_CREATE_JOIN_TOOLTIP : string ;
-  let TEXT_GET_SUBSTRING_END_FROM_END : string ;
-  let TEXT_GET_SUBSTRING_END_FROM_START : string ;
-  let TEXT_GET_SUBSTRING_END_LAST : string ;
-  let TEXT_GET_SUBSTRING_HELPURL : string ;
-  let TEXT_GET_SUBSTRING_INPUT_IN_TEXT : string ;
-  let TEXT_GET_SUBSTRING_START_FIRST : string ;
-  let TEXT_GET_SUBSTRING_START_FROM_END : string ;
-  let TEXT_GET_SUBSTRING_START_FROM_START : string ;
-  let TEXT_GET_SUBSTRING_TAIL : string ;
-  let TEXT_GET_SUBSTRING_TOOLTIP : string ;
-  let TEXT_INDEXOF_HELPURL : string ;
-  let TEXT_INDEXOF_OPERATOR_FIRST : string ;
-  let TEXT_INDEXOF_OPERATOR_LAST : string ;
-  let TEXT_INDEXOF_TITLE : string ;
-  let TEXT_INDEXOF_TOOLTIP : string ;
-  let TEXT_ISEMPTY_HELPURL : string ;
-  let TEXT_ISEMPTY_TITLE : string ;
-  let TEXT_ISEMPTY_TOOLTIP : string ;
-  let TEXT_JOIN_HELPURL : string ;
-  let TEXT_JOIN_TITLE_CREATEWITH : string ;
-  let TEXT_JOIN_TOOLTIP : string ;
-  let TEXT_LENGTH_HELPURL : string ;
-  let TEXT_LENGTH_TITLE : string ;
-  let TEXT_LENGTH_TOOLTIP : string ;
-  let TEXT_PRINT_HELPURL : string ;
-  let TEXT_PRINT_TITLE : string ;
-  let TEXT_PRINT_TOOLTIP : string ;
-  let TEXT_PROMPT_HELPURL : string ;
-  let TEXT_PROMPT_TOOLTIP_NUMBER : string ;
-  let TEXT_PROMPT_TOOLTIP_TEXT : string ;
-  let TEXT_PROMPT_TYPE_NUMBER : string ;
-  let TEXT_PROMPT_TYPE_TEXT : string ;
-  let TEXT_REPLACE_HELPURL : string ;
-  let TEXT_REPLACE_MESSAGE0 : string ;
-  let TEXT_REPLACE_TOOLTIP : string ;
-  let TEXT_REVERSE_HELPURL : string ;
-  let TEXT_REVERSE_MESSAGE0 : string ;
-  let TEXT_REVERSE_TOOLTIP : string ;
-  let TEXT_TEXT_HELPURL : string ;
-  let TEXT_TEXT_TOOLTIP : string ;
-  let TEXT_TRIM_HELPURL : string ;
-  let TEXT_TRIM_OPERATOR_BOTH : string ;
-  let TEXT_TRIM_OPERATOR_LEFT : string ;
-  let TEXT_TRIM_OPERATOR_RIGHT : string ;
-  let TEXT_TRIM_TOOLTIP : string ;
-  let TODAY : string ;
-  let UNDO : string ;
-  let UNNAMED_KEY : string ;
-  let VARIABLES_DEFAULT_NAME : string ;
-  let VARIABLES_DYNAMIC_HUE : string ;
-  let VARIABLES_GET_CREATE_SET : string ;
-  let VARIABLES_GET_HELPURL : string ;
-  let VARIABLES_GET_TOOLTIP : string ;
-  let VARIABLES_HUE : string ;
-  let VARIABLES_SET : string ;
-  let VARIABLES_SET_CREATE_GET : string ;
-  let VARIABLES_SET_HELPURL : string ;
-  let VARIABLES_SET_TOOLTIP : string ;
-  let VARIABLE_ALREADY_EXISTS : string ;
-  let VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE : string ;
-  let WORKSPACE_ARIA_LABEL : string ;
-  let WORKSPACE_COMMENT_DEFAULT_TEXT : string ;
-}
-
+export const ADD_COMMENT: string;
+export const CANNOT_DELETE_VARIABLE_PROCEDURE: string;
+export const CHANGE_VALUE_TITLE: string;
+export const CLEAN_UP: string;
+export const COLLAPSED_WARNINGS_WARNING: string;
+export const COLLAPSE_ALL: string;
+export const COLLAPSE_BLOCK: string;
+export const COLOUR_BLEND_COLOUR1: string;
+export const COLOUR_BLEND_COLOUR2: string;
+export const COLOUR_BLEND_HELPURL: string;
+export const COLOUR_BLEND_RATIO: string;
+export const COLOUR_BLEND_TITLE: string;
+export const COLOUR_BLEND_TOOLTIP: string;
+export const COLOUR_HUE: string;
+export const COLOUR_PICKER_HELPURL: string;
+export const COLOUR_PICKER_TOOLTIP: string;
+export const COLOUR_RANDOM_HELPURL: string;
+export const COLOUR_RANDOM_TITLE: string;
+export const COLOUR_RANDOM_TOOLTIP: string;
+export const COLOUR_RGB_BLUE: string;
+export const COLOUR_RGB_GREEN: string;
+export const COLOUR_RGB_HELPURL: string;
+export const COLOUR_RGB_RED: string;
+export const COLOUR_RGB_TITLE: string;
+export const COLOUR_RGB_TOOLTIP: string;
+export const CONTROLS_FLOW_STATEMENTS_HELPURL: string;
+export const CONTROLS_FLOW_STATEMENTS_OPERATOR_BREAK: string;
+export const CONTROLS_FLOW_STATEMENTS_OPERATOR_CONTINUE: string;
+export const CONTROLS_FLOW_STATEMENTS_TOOLTIP_BREAK: string;
+export const CONTROLS_FLOW_STATEMENTS_TOOLTIP_CONTINUE: string;
+export const CONTROLS_FLOW_STATEMENTS_WARNING: string;
+export const CONTROLS_FOREACH_HELPURL: string;
+export const CONTROLS_FOREACH_INPUT_DO: string;
+export const CONTROLS_FOREACH_TITLE: string;
+export const CONTROLS_FOREACH_TOOLTIP: string;
+export const CONTROLS_FOR_HELPURL: string;
+export const CONTROLS_FOR_INPUT_DO: string;
+export const CONTROLS_FOR_TITLE: string;
+export const CONTROLS_FOR_TOOLTIP: string;
+export const CONTROLS_IF_ELSEIF_TITLE_ELSEIF: string;
+export const CONTROLS_IF_ELSEIF_TOOLTIP: string;
+export const CONTROLS_IF_ELSE_TITLE_ELSE: string;
+export const CONTROLS_IF_ELSE_TOOLTIP: string;
+export const CONTROLS_IF_HELPURL: string;
+export const CONTROLS_IF_IF_TITLE_IF: string;
+export const CONTROLS_IF_IF_TOOLTIP: string;
+export const CONTROLS_IF_MSG_ELSE: string;
+export const CONTROLS_IF_MSG_ELSEIF: string;
+export const CONTROLS_IF_MSG_IF: string;
+export const CONTROLS_IF_MSG_THEN: string;
+export const CONTROLS_IF_TOOLTIP_1: string;
+export const CONTROLS_IF_TOOLTIP_2: string;
+export const CONTROLS_IF_TOOLTIP_3: string;
+export const CONTROLS_IF_TOOLTIP_4: string;
+export const CONTROLS_REPEAT_HELPURL: string;
+export const CONTROLS_REPEAT_INPUT_DO: string;
+export const CONTROLS_REPEAT_TITLE: string;
+export const CONTROLS_REPEAT_TOOLTIP: string;
+export const CONTROLS_WHILEUNTIL_HELPURL: string;
+export const CONTROLS_WHILEUNTIL_INPUT_DO: string;
+export const CONTROLS_WHILEUNTIL_OPERATOR_UNTIL: string;
+export const CONTROLS_WHILEUNTIL_OPERATOR_WHILE: string;
+export const CONTROLS_WHILEUNTIL_TOOLTIP_UNTIL: string;
+export const CONTROLS_WHILEUNTIL_TOOLTIP_WHILE: string;
+export const DELETE_ALL_BLOCKS: string;
+export const DELETE_BLOCK: string;
+export const DELETE_VARIABLE: string;
+export const DELETE_VARIABLE_CONFIRMATION: string;
+export const DELETE_X_BLOCKS: string;
+export const DISABLE_BLOCK: string;
+export const DUPLICATE_BLOCK: string;
+export const DUPLICATE_COMMENT: string;
+export const ENABLE_BLOCK: string;
+export const EXPAND_ALL: string;
+export const EXPAND_BLOCK: string;
+export const EXTERNAL_INPUTS: string;
+export const HELP: string;
+export const INLINE_INPUTS: string;
+export const IOS_CANCEL: string;
+export const IOS_ERROR: string;
+export const IOS_OK: string;
+export const IOS_PROCEDURES_ADD_INPUT: string;
+export const IOS_PROCEDURES_ALLOW_STATEMENTS: string;
+export const IOS_PROCEDURES_DUPLICATE_INPUTS_ERROR: string;
+export const IOS_PROCEDURES_INPUTS: string;
+export const IOS_VARIABLES_ADD_BUTTON: string;
+export const IOS_VARIABLES_ADD_VARIABLE: string;
+export const IOS_VARIABLES_DELETE_BUTTON: string;
+export const IOS_VARIABLES_EMPTY_NAME_ERROR: string;
+export const IOS_VARIABLES_RENAME_BUTTON: string;
+export const IOS_VARIABLES_VARIABLE_NAME: string;
+export const LISTS_CREATE_EMPTY_HELPURL: string;
+export const LISTS_CREATE_EMPTY_TITLE: string;
+export const LISTS_CREATE_EMPTY_TOOLTIP: string;
+export const LISTS_CREATE_WITH_CONTAINER_TITLE_ADD: string;
+export const LISTS_CREATE_WITH_CONTAINER_TOOLTIP: string;
+export const LISTS_CREATE_WITH_HELPURL: string;
+export const LISTS_CREATE_WITH_INPUT_WITH: string;
+export const LISTS_CREATE_WITH_ITEM_TITLE: string;
+export const LISTS_CREATE_WITH_ITEM_TOOLTIP: string;
+export const LISTS_CREATE_WITH_TOOLTIP: string;
+export const LISTS_GET_INDEX_FIRST: string;
+export const LISTS_GET_INDEX_FROM_END: string;
+export const LISTS_GET_INDEX_FROM_START: string;
+export const LISTS_GET_INDEX_GET: string;
+export const LISTS_GET_INDEX_GET_REMOVE: string;
+export const LISTS_GET_INDEX_HELPURL: string;
+export const LISTS_GET_INDEX_INPUT_IN_LIST: string;
+export const LISTS_GET_INDEX_LAST: string;
+export const LISTS_GET_INDEX_RANDOM: string;
+export const LISTS_GET_INDEX_REMOVE: string;
+export const LISTS_GET_INDEX_TAIL: string;
+export const LISTS_GET_INDEX_TOOLTIP_GET_FIRST: string;
+export const LISTS_GET_INDEX_TOOLTIP_GET_FROM: string;
+export const LISTS_GET_INDEX_TOOLTIP_GET_LAST: string;
+export const LISTS_GET_INDEX_TOOLTIP_GET_RANDOM: string;
+export const LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FIRST: string;
+export const LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_FROM: string;
+export const LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_LAST: string;
+export const LISTS_GET_INDEX_TOOLTIP_GET_REMOVE_RANDOM: string;
+export const LISTS_GET_INDEX_TOOLTIP_REMOVE_FIRST: string;
+export const LISTS_GET_INDEX_TOOLTIP_REMOVE_FROM: string;
+export const LISTS_GET_INDEX_TOOLTIP_REMOVE_LAST: string;
+export const LISTS_GET_INDEX_TOOLTIP_REMOVE_RANDOM: string;
+export const LISTS_GET_SUBLIST_END_FROM_END: string;
+export const LISTS_GET_SUBLIST_END_FROM_START: string;
+export const LISTS_GET_SUBLIST_END_LAST: string;
+export const LISTS_GET_SUBLIST_HELPURL: string;
+export const LISTS_GET_SUBLIST_INPUT_IN_LIST: string;
+export const LISTS_GET_SUBLIST_START_FIRST: string;
+export const LISTS_GET_SUBLIST_START_FROM_END: string;
+export const LISTS_GET_SUBLIST_START_FROM_START: string;
+export const LISTS_GET_SUBLIST_TAIL: string;
+export const LISTS_GET_SUBLIST_TOOLTIP: string;
+export const LISTS_HUE: string;
+export const LISTS_INDEX_FROM_END_TOOLTIP: string;
+export const LISTS_INDEX_FROM_START_TOOLTIP: string;
+export const LISTS_INDEX_OF_FIRST: string;
+export const LISTS_INDEX_OF_HELPURL: string;
+export const LISTS_INDEX_OF_INPUT_IN_LIST: string;
+export const LISTS_INDEX_OF_LAST: string;
+export const LISTS_INDEX_OF_TOOLTIP: string;
+export const LISTS_INLIST: string;
+export const LISTS_ISEMPTY_HELPURL: string;
+export const LISTS_ISEMPTY_TITLE: string;
+export const LISTS_ISEMPTY_TOOLTIP: string;
+export const LISTS_LENGTH_HELPURL: string;
+export const LISTS_LENGTH_TITLE: string;
+export const LISTS_LENGTH_TOOLTIP: string;
+export const LISTS_REPEAT_HELPURL: string;
+export const LISTS_REPEAT_TITLE: string;
+export const LISTS_REPEAT_TOOLTIP: string;
+export const LISTS_REVERSE_HELPURL: string;
+export const LISTS_REVERSE_MESSAGE0: string;
+export const LISTS_REVERSE_TOOLTIP: string;
+export const LISTS_SET_INDEX_HELPURL: string;
+export const LISTS_SET_INDEX_INPUT_IN_LIST: string;
+export const LISTS_SET_INDEX_INPUT_TO: string;
+export const LISTS_SET_INDEX_INSERT: string;
+export const LISTS_SET_INDEX_SET: string;
+export const LISTS_SET_INDEX_TOOLTIP_INSERT_FIRST: string;
+export const LISTS_SET_INDEX_TOOLTIP_INSERT_FROM: string;
+export const LISTS_SET_INDEX_TOOLTIP_INSERT_LAST: string;
+export const LISTS_SET_INDEX_TOOLTIP_INSERT_RANDOM: string;
+export const LISTS_SET_INDEX_TOOLTIP_SET_FIRST: string;
+export const LISTS_SET_INDEX_TOOLTIP_SET_FROM: string;
+export const LISTS_SET_INDEX_TOOLTIP_SET_LAST: string;
+export const LISTS_SET_INDEX_TOOLTIP_SET_RANDOM: string;
+export const LISTS_SORT_HELPURL: string;
+export const LISTS_SORT_ORDER_ASCENDING: string;
+export const LISTS_SORT_ORDER_DESCENDING: string;
+export const LISTS_SORT_TITLE: string;
+export const LISTS_SORT_TOOLTIP: string;
+export const LISTS_SORT_TYPE_IGNORECASE: string;
+export const LISTS_SORT_TYPE_NUMERIC: string;
+export const LISTS_SORT_TYPE_TEXT: string;
+export const LISTS_SPLIT_HELPURL: string;
+export const LISTS_SPLIT_LIST_FROM_TEXT: string;
+export const LISTS_SPLIT_TEXT_FROM_LIST: string;
+export const LISTS_SPLIT_TOOLTIP_JOIN: string;
+export const LISTS_SPLIT_TOOLTIP_SPLIT: string;
+export const LISTS_SPLIT_WITH_DELIMITER: string;
+export const LOGIC_BOOLEAN_FALSE: string;
+export const LOGIC_BOOLEAN_HELPURL: string;
+export const LOGIC_BOOLEAN_TOOLTIP: string;
+export const LOGIC_BOOLEAN_TRUE: string;
+export const LOGIC_COMPARE_HELPURL: string;
+export const LOGIC_COMPARE_TOOLTIP_EQ: string;
+export const LOGIC_COMPARE_TOOLTIP_GT: string;
+export const LOGIC_COMPARE_TOOLTIP_GTE: string;
+export const LOGIC_COMPARE_TOOLTIP_LT: string;
+export const LOGIC_COMPARE_TOOLTIP_LTE: string;
+export const LOGIC_COMPARE_TOOLTIP_NEQ: string;
+export const LOGIC_HUE: string;
+export const LOGIC_NEGATE_HELPURL: string;
+export const LOGIC_NEGATE_TITLE: string;
+export const LOGIC_NEGATE_TOOLTIP: string;
+export const LOGIC_NULL: string;
+export const LOGIC_NULL_HELPURL: string;
+export const LOGIC_NULL_TOOLTIP: string;
+export const LOGIC_OPERATION_AND: string;
+export const LOGIC_OPERATION_HELPURL: string;
+export const LOGIC_OPERATION_OR: string;
+export const LOGIC_OPERATION_TOOLTIP_AND: string;
+export const LOGIC_OPERATION_TOOLTIP_OR: string;
+export const LOGIC_TERNARY_CONDITION: string;
+export const LOGIC_TERNARY_HELPURL: string;
+export const LOGIC_TERNARY_IF_FALSE: string;
+export const LOGIC_TERNARY_IF_TRUE: string;
+export const LOGIC_TERNARY_TOOLTIP: string;
+export const LOOPS_HUE: string;
+export const MATH_ADDITION_SYMBOL: string;
+export const MATH_ARITHMETIC_HELPURL: string;
+export const MATH_ARITHMETIC_TOOLTIP_ADD: string;
+export const MATH_ARITHMETIC_TOOLTIP_DIVIDE: string;
+export const MATH_ARITHMETIC_TOOLTIP_MINUS: string;
+export const MATH_ARITHMETIC_TOOLTIP_MULTIPLY: string;
+export const MATH_ARITHMETIC_TOOLTIP_POWER: string;
+export const MATH_ATAN2_HELPURL: string;
+export const MATH_ATAN2_TITLE: string;
+export const MATH_ATAN2_TOOLTIP: string;
+export const MATH_CHANGE_HELPURL: string;
+export const MATH_CHANGE_TITLE: string;
+export const MATH_CHANGE_TITLE_ITEM: string;
+export const MATH_CHANGE_TOOLTIP: string;
+export const MATH_CONSTANT_HELPURL: string;
+export const MATH_CONSTANT_TOOLTIP: string;
+export const MATH_CONSTRAIN_HELPURL: string;
+export const MATH_CONSTRAIN_TITLE: string;
+export const MATH_CONSTRAIN_TOOLTIP: string;
+export const MATH_DIVISION_SYMBOL: string;
+export const MATH_HUE: string;
+export const MATH_IS_DIVISIBLE_BY: string;
+export const MATH_IS_EVEN: string;
+export const MATH_IS_NEGATIVE: string;
+export const MATH_IS_ODD: string;
+export const MATH_IS_POSITIVE: string;
+export const MATH_IS_PRIME: string;
+export const MATH_IS_TOOLTIP: string;
+export const MATH_IS_WHOLE: string;
+export const MATH_MODULO_HELPURL: string;
+export const MATH_MODULO_TITLE: string;
+export const MATH_MODULO_TOOLTIP: string;
+export const MATH_MULTIPLICATION_SYMBOL: string;
+export const MATH_NUMBER_HELPURL: string;
+export const MATH_NUMBER_TOOLTIP: string;
+export const MATH_ONLIST_HELPURL: string;
+export const MATH_ONLIST_OPERATOR_AVERAGE: string;
+export const MATH_ONLIST_OPERATOR_MAX: string;
+export const MATH_ONLIST_OPERATOR_MEDIAN: string;
+export const MATH_ONLIST_OPERATOR_MIN: string;
+export const MATH_ONLIST_OPERATOR_MODE: string;
+export const MATH_ONLIST_OPERATOR_RANDOM: string;
+export const MATH_ONLIST_OPERATOR_STD_DEV: string;
+export const MATH_ONLIST_OPERATOR_SUM: string;
+export const MATH_ONLIST_TOOLTIP_AVERAGE: string;
+export const MATH_ONLIST_TOOLTIP_MAX: string;
+export const MATH_ONLIST_TOOLTIP_MEDIAN: string;
+export const MATH_ONLIST_TOOLTIP_MIN: string;
+export const MATH_ONLIST_TOOLTIP_MODE: string;
+export const MATH_ONLIST_TOOLTIP_RANDOM: string;
+export const MATH_ONLIST_TOOLTIP_STD_DEV: string;
+export const MATH_ONLIST_TOOLTIP_SUM: string;
+export const MATH_POWER_SYMBOL: string;
+export const MATH_RANDOM_FLOAT_HELPURL: string;
+export const MATH_RANDOM_FLOAT_TITLE_RANDOM: string;
+export const MATH_RANDOM_FLOAT_TOOLTIP: string;
+export const MATH_RANDOM_INT_HELPURL: string;
+export const MATH_RANDOM_INT_TITLE: string;
+export const MATH_RANDOM_INT_TOOLTIP: string;
+export const MATH_ROUND_HELPURL: string;
+export const MATH_ROUND_OPERATOR_ROUND: string;
+export const MATH_ROUND_OPERATOR_ROUNDDOWN: string;
+export const MATH_ROUND_OPERATOR_ROUNDUP: string;
+export const MATH_ROUND_TOOLTIP: string;
+export const MATH_SINGLE_HELPURL: string;
+export const MATH_SINGLE_OP_ABSOLUTE: string;
+export const MATH_SINGLE_OP_ROOT: string;
+export const MATH_SINGLE_TOOLTIP_ABS: string;
+export const MATH_SINGLE_TOOLTIP_EXP: string;
+export const MATH_SINGLE_TOOLTIP_LN: string;
+export const MATH_SINGLE_TOOLTIP_LOG10: string;
+export const MATH_SINGLE_TOOLTIP_NEG: string;
+export const MATH_SINGLE_TOOLTIP_POW10: string;
+export const MATH_SINGLE_TOOLTIP_ROOT: string;
+export const MATH_SUBTRACTION_SYMBOL: string;
+export const MATH_TRIG_ACOS: string;
+export const MATH_TRIG_ASIN: string;
+export const MATH_TRIG_ATAN: string;
+export const MATH_TRIG_COS: string;
+export const MATH_TRIG_HELPURL: string;
+export const MATH_TRIG_SIN: string;
+export const MATH_TRIG_TAN: string;
+export const MATH_TRIG_TOOLTIP_ACOS: string;
+export const MATH_TRIG_TOOLTIP_ASIN: string;
+export const MATH_TRIG_TOOLTIP_ATAN: string;
+export const MATH_TRIG_TOOLTIP_COS: string;
+export const MATH_TRIG_TOOLTIP_SIN: string;
+export const MATH_TRIG_TOOLTIP_TAN: string;
+export const NEW_COLOUR_VARIABLE: string;
+export const NEW_NUMBER_VARIABLE: string;
+export const NEW_STRING_VARIABLE: string;
+export const NEW_VARIABLE: string;
+export const NEW_VARIABLE_TITLE: string;
+export const NEW_VARIABLE_TYPE_TITLE: string;
+export const ORDINAL_NUMBER_SUFFIX: string;
+export const PROCEDURES_ALLOW_STATEMENTS: string;
+export const PROCEDURES_BEFORE_PARAMS: string;
+export const PROCEDURES_CALLNORETURN_HELPURL: string;
+export const PROCEDURES_CALLNORETURN_TOOLTIP: string;
+export const PROCEDURES_CALLRETURN_HELPURL: string;
+export const PROCEDURES_CALLRETURN_TOOLTIP: string;
+export const PROCEDURES_CALL_BEFORE_PARAMS: string;
+export const PROCEDURES_CREATE_DO: string;
+export const PROCEDURES_DEFNORETURN_COMMENT: string;
+export const PROCEDURES_DEFNORETURN_DO: string;
+export const PROCEDURES_DEFNORETURN_HELPURL: string;
+export const PROCEDURES_DEFNORETURN_PROCEDURE: string;
+export const PROCEDURES_DEFNORETURN_TITLE: string;
+export const PROCEDURES_DEFNORETURN_TOOLTIP: string;
+export const PROCEDURES_DEFRETURN_COMMENT: string;
+export const PROCEDURES_DEFRETURN_DO: string;
+export const PROCEDURES_DEFRETURN_HELPURL: string;
+export const PROCEDURES_DEFRETURN_PROCEDURE: string;
+export const PROCEDURES_DEFRETURN_RETURN: string;
+export const PROCEDURES_DEFRETURN_TITLE: string;
+export const PROCEDURES_DEFRETURN_TOOLTIP: string;
+export const PROCEDURES_DEF_DUPLICATE_WARNING: string;
+export const PROCEDURES_HIGHLIGHT_DEF: string;
+export const PROCEDURES_HUE: string;
+export const PROCEDURES_IFRETURN_HELPURL: string;
+export const PROCEDURES_IFRETURN_TOOLTIP: string;
+export const PROCEDURES_IFRETURN_WARNING: string;
+export const PROCEDURES_MUTATORARG_TITLE: string;
+export const PROCEDURES_MUTATORARG_TOOLTIP: string;
+export const PROCEDURES_MUTATORCONTAINER_TITLE: string;
+export const PROCEDURES_MUTATORCONTAINER_TOOLTIP: string;
+export const REDO: string;
+export const REMOVE_COMMENT: string;
+export const RENAME_VARIABLE: string;
+export const RENAME_VARIABLE_TITLE: string;
+export const TEXTS_HUE: string;
+export const TEXT_APPEND_HELPURL: string;
+export const TEXT_APPEND_TITLE: string;
+export const TEXT_APPEND_TOOLTIP: string;
+export const TEXT_APPEND_VARIABLE: string;
+export const TEXT_CHANGECASE_HELPURL: string;
+export const TEXT_CHANGECASE_OPERATOR_LOWERCASE: string;
+export const TEXT_CHANGECASE_OPERATOR_TITLECASE: string;
+export const TEXT_CHANGECASE_OPERATOR_UPPERCASE: string;
+export const TEXT_CHANGECASE_TOOLTIP: string;
+export const TEXT_CHARAT_FIRST: string;
+export const TEXT_CHARAT_FROM_END: string;
+export const TEXT_CHARAT_FROM_START: string;
+export const TEXT_CHARAT_HELPURL: string;
+export const TEXT_CHARAT_LAST: string;
+export const TEXT_CHARAT_RANDOM: string;
+export const TEXT_CHARAT_TAIL: string;
+export const TEXT_CHARAT_TITLE: string;
+export const TEXT_CHARAT_TOOLTIP: string;
+export const TEXT_COUNT_HELPURL: string;
+export const TEXT_COUNT_MESSAGE0: string;
+export const TEXT_COUNT_TOOLTIP: string;
+export const TEXT_CREATE_JOIN_ITEM_TITLE_ITEM: string;
+export const TEXT_CREATE_JOIN_ITEM_TOOLTIP: string;
+export const TEXT_CREATE_JOIN_TITLE_JOIN: string;
+export const TEXT_CREATE_JOIN_TOOLTIP: string;
+export const TEXT_GET_SUBSTRING_END_FROM_END: string;
+export const TEXT_GET_SUBSTRING_END_FROM_START: string;
+export const TEXT_GET_SUBSTRING_END_LAST: string;
+export const TEXT_GET_SUBSTRING_HELPURL: string;
+export const TEXT_GET_SUBSTRING_INPUT_IN_TEXT: string;
+export const TEXT_GET_SUBSTRING_START_FIRST: string;
+export const TEXT_GET_SUBSTRING_START_FROM_END: string;
+export const TEXT_GET_SUBSTRING_START_FROM_START: string;
+export const TEXT_GET_SUBSTRING_TAIL: string;
+export const TEXT_GET_SUBSTRING_TOOLTIP: string;
+export const TEXT_INDEXOF_HELPURL: string;
+export const TEXT_INDEXOF_OPERATOR_FIRST: string;
+export const TEXT_INDEXOF_OPERATOR_LAST: string;
+export const TEXT_INDEXOF_TITLE: string;
+export const TEXT_INDEXOF_TOOLTIP: string;
+export const TEXT_ISEMPTY_HELPURL: string;
+export const TEXT_ISEMPTY_TITLE: string;
+export const TEXT_ISEMPTY_TOOLTIP: string;
+export const TEXT_JOIN_HELPURL: string;
+export const TEXT_JOIN_TITLE_CREATEWITH: string;
+export const TEXT_JOIN_TOOLTIP: string;
+export const TEXT_LENGTH_HELPURL: string;
+export const TEXT_LENGTH_TITLE: string;
+export const TEXT_LENGTH_TOOLTIP: string;
+export const TEXT_PRINT_HELPURL: string;
+export const TEXT_PRINT_TITLE: string;
+export const TEXT_PRINT_TOOLTIP: string;
+export const TEXT_PROMPT_HELPURL: string;
+export const TEXT_PROMPT_TOOLTIP_NUMBER: string;
+export const TEXT_PROMPT_TOOLTIP_TEXT: string;
+export const TEXT_PROMPT_TYPE_NUMBER: string;
+export const TEXT_PROMPT_TYPE_TEXT: string;
+export const TEXT_REPLACE_HELPURL: string;
+export const TEXT_REPLACE_MESSAGE0: string;
+export const TEXT_REPLACE_TOOLTIP: string;
+export const TEXT_REVERSE_HELPURL: string;
+export const TEXT_REVERSE_MESSAGE0: string;
+export const TEXT_REVERSE_TOOLTIP: string;
+export const TEXT_TEXT_HELPURL: string;
+export const TEXT_TEXT_TOOLTIP: string;
+export const TEXT_TRIM_HELPURL: string;
+export const TEXT_TRIM_OPERATOR_BOTH: string;
+export const TEXT_TRIM_OPERATOR_LEFT: string;
+export const TEXT_TRIM_OPERATOR_RIGHT: string;
+export const TEXT_TRIM_TOOLTIP: string;
+export const TODAY: string;
+export const UNDO: string;
+export const UNNAMED_KEY: string;
+export const VARIABLES_DEFAULT_NAME: string;
+export const VARIABLES_DYNAMIC_HUE: string;
+export const VARIABLES_GET_CREATE_SET: string;
+export const VARIABLES_GET_HELPURL: string;
+export const VARIABLES_GET_TOOLTIP: string;
+export const VARIABLES_HUE: string;
+export const VARIABLES_SET: string;
+export const VARIABLES_SET_CREATE_GET: string;
+export const VARIABLES_SET_HELPURL: string;
+export const VARIABLES_SET_TOOLTIP: string;
+export const VARIABLE_ALREADY_EXISTS: string;
+export const VARIABLE_ALREADY_EXISTS_FOR_ANOTHER_TYPE: string;
+export const WORKSPACE_ARIA_LABEL: string;
+export const WORKSPACE_COMMENT_DEFAULT_TEXT: string;
diff --git a/typings/msg/my.d.ts b/typings/msg/my.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/my.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/mzn.d.ts b/typings/msg/mzn.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/mzn.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/nb.d.ts b/typings/msg/nb.d.ts
index 42aaa1b2579..5f2d13710bd 100644
--- a/typings/msg/nb.d.ts
+++ b/typings/msg/nb.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly nb locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ne.d.ts b/typings/msg/ne.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/ne.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/nl.d.ts b/typings/msg/nl.d.ts
index 5d383fb0c81..5f2d13710bd 100644
--- a/typings/msg/nl.d.ts
+++ b/typings/msg/nl.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly nl locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/oc.d.ts b/typings/msg/oc.d.ts
index f8eabb76e2f..5f2d13710bd 100644
--- a/typings/msg/oc.d.ts
+++ b/typings/msg/oc.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly oc locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/olo.d.ts b/typings/msg/olo.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/olo.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/pa.d.ts b/typings/msg/pa.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/pa.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/pl.d.ts b/typings/msg/pl.d.ts
index 957f3820da2..5f2d13710bd 100644
--- a/typings/msg/pl.d.ts
+++ b/typings/msg/pl.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly pl locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/pms.d.ts b/typings/msg/pms.d.ts
index 35df33e31c5..5f2d13710bd 100644
--- a/typings/msg/pms.d.ts
+++ b/typings/msg/pms.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly pms locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ps.d.ts b/typings/msg/ps.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/ps.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/pt-br.d.ts b/typings/msg/pt-br.d.ts
index 065d639cda4..5f2d13710bd 100644
--- a/typings/msg/pt-br.d.ts
+++ b/typings/msg/pt-br.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly pt-br locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/pt.d.ts b/typings/msg/pt.d.ts
index f89879cad08..5f2d13710bd 100644
--- a/typings/msg/pt.d.ts
+++ b/typings/msg/pt.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly pt locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/qqq.d.ts b/typings/msg/qqq.d.ts
deleted file mode 100644
index 4c58a607f3a..00000000000
--- a/typings/msg/qqq.d.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Type definitions for the Blockly qqq locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
-
diff --git a/typings/msg/ro.d.ts b/typings/msg/ro.d.ts
index f2183fa49fd..5f2d13710bd 100644
--- a/typings/msg/ro.d.ts
+++ b/typings/msg/ro.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ro locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ru.d.ts b/typings/msg/ru.d.ts
index 95ffc830019..5f2d13710bd 100644
--- a/typings/msg/ru.d.ts
+++ b/typings/msg/ru.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ru locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/sc.d.ts b/typings/msg/sc.d.ts
index 2d5afcbdef9..5f2d13710bd 100644
--- a/typings/msg/sc.d.ts
+++ b/typings/msg/sc.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly sc locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/sco.d.ts b/typings/msg/sco.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/sco.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/sd.d.ts b/typings/msg/sd.d.ts
index cafc9789364..5f2d13710bd 100644
--- a/typings/msg/sd.d.ts
+++ b/typings/msg/sd.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly sd locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/shn.d.ts b/typings/msg/shn.d.ts
index 07a531329ea..5f2d13710bd 100644
--- a/typings/msg/shn.d.ts
+++ b/typings/msg/shn.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly shn locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/si.d.ts b/typings/msg/si.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/si.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/sk.d.ts b/typings/msg/sk.d.ts
index 3c26e48bc45..5f2d13710bd 100644
--- a/typings/msg/sk.d.ts
+++ b/typings/msg/sk.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly sk locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/skr-arab.d.ts b/typings/msg/skr-arab.d.ts
index 4ddb30fd81d..5f2d13710bd 100644
--- a/typings/msg/skr-arab.d.ts
+++ b/typings/msg/skr-arab.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly skr-arab locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/sl.d.ts b/typings/msg/sl.d.ts
index 51f1f568f9a..5f2d13710bd 100644
--- a/typings/msg/sl.d.ts
+++ b/typings/msg/sl.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly sl locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/smn.d.ts b/typings/msg/smn.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/smn.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/sq.d.ts b/typings/msg/sq.d.ts
index e7997e2f447..5f2d13710bd 100644
--- a/typings/msg/sq.d.ts
+++ b/typings/msg/sq.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly sq locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/sr-latn.d.ts b/typings/msg/sr-latn.d.ts
index f9bf0645e20..5f2d13710bd 100644
--- a/typings/msg/sr-latn.d.ts
+++ b/typings/msg/sr-latn.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly sr-latn locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/sr.d.ts b/typings/msg/sr.d.ts
index 7d6ea16a5f0..5f2d13710bd 100644
--- a/typings/msg/sr.d.ts
+++ b/typings/msg/sr.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly sr locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/sv.d.ts b/typings/msg/sv.d.ts
index 11018f261a3..5f2d13710bd 100644
--- a/typings/msg/sv.d.ts
+++ b/typings/msg/sv.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly sv locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/sw.d.ts b/typings/msg/sw.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/sw.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/synonyms.d.ts b/typings/msg/synonyms.d.ts
deleted file mode 100644
index 93e21974fdc..00000000000
--- a/typings/msg/synonyms.d.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-/**
- * @license
- * Copyright 2020 Google LLC
- * SPDX-License-Identifier: Apache-2.0
- */
-
-/**
- * @fileoverview Type definitions for the Blockly synonyms locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
-
diff --git a/typings/msg/ta.d.ts b/typings/msg/ta.d.ts
index d74bd3c485e..5f2d13710bd 100644
--- a/typings/msg/ta.d.ts
+++ b/typings/msg/ta.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ta locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/tcy.d.ts b/typings/msg/tcy.d.ts
index 64278359d9d..5f2d13710bd 100644
--- a/typings/msg/tcy.d.ts
+++ b/typings/msg/tcy.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly tcy locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/tdd.d.ts b/typings/msg/tdd.d.ts
new file mode 100644
index 00000000000..b6e6cc1d653
--- /dev/null
+++ b/typings/msg/tdd.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2023 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/te.d.ts b/typings/msg/te.d.ts
index c7acfb0c89b..5f2d13710bd 100644
--- a/typings/msg/te.d.ts
+++ b/typings/msg/te.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly te locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/th.d.ts b/typings/msg/th.d.ts
index bf77eae8be8..5f2d13710bd 100644
--- a/typings/msg/th.d.ts
+++ b/typings/msg/th.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly th locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ti.d.ts b/typings/msg/ti.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/ti.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/tl.d.ts b/typings/msg/tl.d.ts
index 0d51a38f350..5f2d13710bd 100644
--- a/typings/msg/tl.d.ts
+++ b/typings/msg/tl.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly tl locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/tlh.d.ts b/typings/msg/tlh.d.ts
index 5eb07eb8d4a..5f2d13710bd 100644
--- a/typings/msg/tlh.d.ts
+++ b/typings/msg/tlh.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly tlh locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/tr.d.ts b/typings/msg/tr.d.ts
index 2b1a29a0275..5f2d13710bd 100644
--- a/typings/msg/tr.d.ts
+++ b/typings/msg/tr.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly tr locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ug-arab.d.ts b/typings/msg/ug-arab.d.ts
index f9445a56043..5f2d13710bd 100644
--- a/typings/msg/ug-arab.d.ts
+++ b/typings/msg/ug-arab.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ug-arab locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/uk.d.ts b/typings/msg/uk.d.ts
index 1250e6cb1ff..5f2d13710bd 100644
--- a/typings/msg/uk.d.ts
+++ b/typings/msg/uk.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly uk locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/ur.d.ts b/typings/msg/ur.d.ts
index b944aad7fad..5f2d13710bd 100644
--- a/typings/msg/ur.d.ts
+++ b/typings/msg/ur.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly ur locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/uz.d.ts b/typings/msg/uz.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/uz.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/vi.d.ts b/typings/msg/vi.d.ts
index 86a0e7d6ff1..5f2d13710bd 100644
--- a/typings/msg/vi.d.ts
+++ b/typings/msg/vi.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly vi locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/xmf.d.ts b/typings/msg/xmf.d.ts
index e230058ac29..5f2d13710bd 100644
--- a/typings/msg/xmf.d.ts
+++ b/typings/msg/xmf.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly xmf locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/yo.d.ts b/typings/msg/yo.d.ts
index 29120ab8d0c..5f2d13710bd 100644
--- a/typings/msg/yo.d.ts
+++ b/typings/msg/yo.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly yo locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/zgh.d.ts b/typings/msg/zgh.d.ts
new file mode 100644
index 00000000000..5f2d13710bd
--- /dev/null
+++ b/typings/msg/zgh.d.ts
@@ -0,0 +1,8 @@
+/**
+ * @license
+ * Copyright 2022 Google LLC
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export * from './msg';
+
diff --git a/typings/msg/zh-hans.d.ts b/typings/msg/zh-hans.d.ts
index 938f55356c1..5f2d13710bd 100644
--- a/typings/msg/zh-hans.d.ts
+++ b/typings/msg/zh-hans.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly zh-hans locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/msg/zh-hant.d.ts b/typings/msg/zh-hant.d.ts
index f2917aac6c5..5f2d13710bd 100644
--- a/typings/msg/zh-hant.d.ts
+++ b/typings/msg/zh-hant.d.ts
@@ -1,16 +1,8 @@
 /**
  * @license
- * Copyright 2020 Google LLC
+ * Copyright 2022 Google LLC
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Blockly zh-hant locale.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="msg.d.ts" />
-
-import BlocklyMsg = Blockly.Msg;
-export = BlocklyMsg;
+export * from './msg';
 
diff --git a/typings/php.d.ts b/typings/php.d.ts
index 75f2ef69337..96810bc30f0 100644
--- a/typings/php.d.ts
+++ b/typings/php.d.ts
@@ -4,12 +4,4 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the PHP generator.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="core.d.ts" />
-
-import * as Blockly from './core';
-export = Blockly.Generator;
+export * from './generators/php';
diff --git a/typings/python.d.ts b/typings/python.d.ts
index ba328145ae2..fd1e3c67793 100644
--- a/typings/python.d.ts
+++ b/typings/python.d.ts
@@ -4,12 +4,4 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-/**
- * @fileoverview Type definitions for the Python generator.
- * @author samelh@google.com (Sam El-Husseini)
- */
-
-/// <reference path="core.d.ts" />
-
-import * as Blockly from './core';
-export = Blockly.Generator;
+export * from './generators/python';
diff --git a/typings/templates/blockly-header.template b/typings/templates/blockly-header.template
index 15bcf14dd3c..462d00b511c 100644
--- a/typings/templates/blockly-header.template
+++ b/typings/templates/blockly-header.template
@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview Type definitions for Blockly.
- * @author samelh@google.com (Sam El-Husseini)
  */
 
 export = Blockly;
\ No newline at end of file
diff --git a/typings/templates/blockly-interfaces.template b/typings/templates/blockly-interfaces.template
index 4f158d3edb7..dd78194d699 100644
--- a/typings/templates/blockly-interfaces.template
+++ b/typings/templates/blockly-interfaces.template
@@ -2,7 +2,7 @@
 declare module Blockly {
 
   interface BlocklyOptions {
-    toolbox?: HTMLElement | string;
+    toolbox?: Blockly.utils.toolbox.ToolboxDefinition;
     readOnly?: boolean;
     trashcan?: boolean;
     maxInstances?: {[type: string]: number;};
@@ -39,7 +39,6 @@ declare module Blockly {
       pinch?: boolean;
     };
     renderer?: string;
-    keyMap?: {[type: string]: Blockly.Action;};
     parentWorkspace?: Blockly.WorkspaceSvg;
   }
 
diff --git a/typings/templates/msg.template b/typings/templates/msg.template
index 7377e254304..9f936c5ac40 100644
--- a/typings/templates/msg.template
+++ b/typings/templates/msg.template
@@ -6,7 +6,6 @@
 
 /**
  * @fileoverview Type definitions for the Blockly <%= locale %> locale.
- * @author samelh@google.com (Sam El-Husseini)
  */
 
 /// <reference path="msg.d.ts" />